1 /*-
2 * Implementation of SCSI Direct Access Peripheral driver for CAM.
3 *
4 * Copyright (c) 1997 Justin T. Gibbs.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions, and the following disclaimer,
12 * without modification, immediately at the beginning of the file.
13 * 2. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD: stable/9/sys/cam/scsi/scsi_da.c 283190 2015-05-21 07:42:46Z hselasky $");
31
32 #include <sys/param.h>
33
34 #ifdef _KERNEL
35 #include <sys/systm.h>
36 #include <sys/kernel.h>
37 #include <sys/bio.h>
38 #include <sys/sysctl.h>
39 #include <sys/taskqueue.h>
40 #include <sys/lock.h>
41 #include <sys/mutex.h>
42 #include <sys/conf.h>
43 #include <sys/devicestat.h>
44 #include <sys/eventhandler.h>
45 #include <sys/malloc.h>
46 #include <sys/cons.h>
47 #include <sys/endian.h>
48 #include <sys/proc.h>
49 #include <geom/geom.h>
50 #include <geom/geom_disk.h>
51 #endif /* _KERNEL */
52
53 #ifndef _KERNEL
54 #include <stdio.h>
55 #include <string.h>
56 #endif /* _KERNEL */
57
58 #include <cam/cam.h>
59 #include <cam/cam_ccb.h>
60 #include <cam/cam_periph.h>
61 #include <cam/cam_xpt_periph.h>
62 #include <cam/cam_sim.h>
63
64 #include <cam/scsi/scsi_message.h>
65
66 #ifndef _KERNEL
67 #include <cam/scsi/scsi_da.h>
68 #endif /* !_KERNEL */
69
70 #ifdef _KERNEL
71 typedef enum {
72 DA_STATE_PROBE_RC,
73 DA_STATE_PROBE_RC16,
74 DA_STATE_PROBE_LBP,
75 DA_STATE_PROBE_BLK_LIMITS,
76 DA_STATE_PROBE_BDC,
77 DA_STATE_PROBE_ATA,
78 DA_STATE_NORMAL
79 } da_state;
80
81 typedef enum {
82 DA_FLAG_PACK_INVALID = 0x001,
83 DA_FLAG_NEW_PACK = 0x002,
84 DA_FLAG_PACK_LOCKED = 0x004,
85 DA_FLAG_PACK_REMOVABLE = 0x008,
86 DA_FLAG_NEED_OTAG = 0x020,
87 DA_FLAG_WAS_OTAG = 0x040,
88 DA_FLAG_RETRY_UA = 0x080,
89 DA_FLAG_OPEN = 0x100,
90 DA_FLAG_SCTX_INIT = 0x200,
91 DA_FLAG_CAN_RC16 = 0x400,
92 DA_FLAG_PROBED = 0x800,
93 DA_FLAG_DIRTY = 0x1000,
94 DA_FLAG_ANNOUNCED = 0x2000
95 } da_flags;
96
97 typedef enum {
98 DA_Q_NONE = 0x00,
99 DA_Q_NO_SYNC_CACHE = 0x01,
100 DA_Q_NO_6_BYTE = 0x02,
101 DA_Q_NO_PREVENT = 0x04,
102 DA_Q_4K = 0x08,
103 DA_Q_NO_RC16 = 0x10,
104 DA_Q_NO_UNMAP = 0x20,
105 DA_Q_RETRY_BUSY = 0x40
106 } da_quirks;
107
108 #define DA_Q_BIT_STRING \
109 "\020" \
110 "\001NO_SYNC_CACHE" \
111 "\002NO_6_BYTE" \
112 "\003NO_PREVENT" \
113 "\0044K" \
114 "\005NO_RC16" \
115 "\006NO_UNMAP" \
116 "\007RETRY_BUSY"
117
118 typedef enum {
119 DA_CCB_PROBE_RC = 0x01,
120 DA_CCB_PROBE_RC16 = 0x02,
121 DA_CCB_PROBE_LBP = 0x03,
122 DA_CCB_PROBE_BLK_LIMITS = 0x04,
123 DA_CCB_PROBE_BDC = 0x05,
124 DA_CCB_PROBE_ATA = 0x06,
125 DA_CCB_BUFFER_IO = 0x07,
126 DA_CCB_WAITING = 0x08,
127 DA_CCB_DUMP = 0x0A,
128 DA_CCB_DELETE = 0x0B,
129 DA_CCB_TUR = 0x0C,
130 DA_CCB_TYPE_MASK = 0x0F,
131 DA_CCB_RETRY_UA = 0x10
132 } da_ccb_state;
133
134 /*
135 * Order here is important for method choice
136 *
137 * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to
138 * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes
139 * using ATA_TRIM than the corresponding UNMAP results for a real world mysql
140 * import taking 5mins.
141 *
142 */
143 typedef enum {
144 DA_DELETE_NONE,
145 DA_DELETE_DISABLE,
146 DA_DELETE_ATA_TRIM,
147 DA_DELETE_UNMAP,
148 DA_DELETE_WS16,
149 DA_DELETE_WS10,
150 DA_DELETE_ZERO,
151 DA_DELETE_MIN = DA_DELETE_ATA_TRIM,
152 DA_DELETE_MAX = DA_DELETE_ZERO
153 } da_delete_methods;
154
155 typedef void da_delete_func_t (struct cam_periph *periph, union ccb *ccb,
156 struct bio *bp);
157 static da_delete_func_t da_delete_trim;
158 static da_delete_func_t da_delete_unmap;
159 static da_delete_func_t da_delete_ws;
160
161 static const void * da_delete_functions[] = {
162 NULL,
163 NULL,
164 da_delete_trim,
165 da_delete_unmap,
166 da_delete_ws,
167 da_delete_ws,
168 da_delete_ws
169 };
170
171 static const char *da_delete_method_names[] =
172 { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" };
173 static const char *da_delete_method_desc[] =
174 { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP",
175 "WRITE SAME(10) with UNMAP", "ZERO" };
176
177 /* Offsets into our private area for storing information */
178 #define ccb_state ppriv_field0
179 #define ccb_bp ppriv_ptr1
180
181 struct disk_params {
182 u_int8_t heads;
183 u_int32_t cylinders;
184 u_int8_t secs_per_track;
185 u_int32_t secsize; /* Number of bytes/sector */
186 u_int64_t sectors; /* total number sectors */
187 u_int stripesize;
188 u_int stripeoffset;
189 };
190
191 #define UNMAP_RANGE_MAX 0xffffffff
192 #define UNMAP_HEAD_SIZE 8
193 #define UNMAP_RANGE_SIZE 16
194 #define UNMAP_MAX_RANGES 2048 /* Protocol Max is 4095 */
195 #define UNMAP_BUF_SIZE ((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \
196 UNMAP_HEAD_SIZE)
197
198 #define WS10_MAX_BLKS 0xffff
199 #define WS16_MAX_BLKS 0xffffffff
200 #define ATA_TRIM_MAX_RANGES ((UNMAP_BUF_SIZE / \
201 (ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE)
202
203 struct da_softc {
204 struct bio_queue_head bio_queue;
205 struct bio_queue_head delete_queue;
206 struct bio_queue_head delete_run_queue;
207 LIST_HEAD(, ccb_hdr) pending_ccbs;
208 int tur; /* TEST UNIT READY should be sent */
209 int refcount; /* Active xpt_action() calls */
210 da_state state;
211 da_flags flags;
212 da_quirks quirks;
213 int sort_io_queue;
214 int minimum_cmd_size;
215 int error_inject;
216 int trim_max_ranges;
217 int delete_running;
218 int delete_available; /* Delete methods possibly available */
219 u_int maxio;
220 uint32_t unmap_max_ranges;
221 uint32_t unmap_max_lba; /* Max LBAs in UNMAP req */
222 uint64_t ws_max_blks;
223 da_delete_methods delete_method;
224 da_delete_func_t *delete_func;
225 struct disk_params params;
226 struct disk *disk;
227 union ccb saved_ccb;
228 struct task sysctl_task;
229 struct sysctl_ctx_list sysctl_ctx;
230 struct sysctl_oid *sysctl_tree;
231 struct callout sendordered_c;
232 uint64_t wwpn;
233 uint8_t unmap_buf[UNMAP_BUF_SIZE];
234 struct scsi_read_capacity_data_long rcaplong;
235 struct callout mediapoll_c;
236 };
237
238 #define dadeleteflag(softc, delete_method, enable) \
239 if (enable) { \
240 softc->delete_available |= (1 << delete_method); \
241 } else { \
242 softc->delete_available &= ~(1 << delete_method); \
243 }
244
245 struct da_quirk_entry {
246 struct scsi_inquiry_pattern inq_pat;
247 da_quirks quirks;
248 };
249
250 static const char quantum[] = "QUANTUM";
251 static const char microp[] = "MICROP";
252
253 static struct da_quirk_entry da_quirk_table[] =
254 {
255 /* SPI, FC devices */
256 {
257 /*
258 * Fujitsu M2513A MO drives.
259 * Tested devices: M2513A2 firmware versions 1200 & 1300.
260 * (dip switch selects whether T_DIRECT or T_OPTICAL device)
261 * Reported by: W.Scholten <whs@xs4all.nl>
262 */
263 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
264 /*quirks*/ DA_Q_NO_SYNC_CACHE
265 },
266 {
267 /* See above. */
268 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
269 /*quirks*/ DA_Q_NO_SYNC_CACHE
270 },
271 {
272 /*
273 * This particular Fujitsu drive doesn't like the
274 * synchronize cache command.
275 * Reported by: Tom Jackson <toj@gorilla.net>
276 */
277 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
278 /*quirks*/ DA_Q_NO_SYNC_CACHE
279 },
280 {
281 /*
282 * This drive doesn't like the synchronize cache command
283 * either. Reported by: Matthew Jacob <mjacob@feral.com>
284 * in NetBSD PR kern/6027, August 24, 1998.
285 */
286 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
287 /*quirks*/ DA_Q_NO_SYNC_CACHE
288 },
289 {
290 /*
291 * This drive doesn't like the synchronize cache command
292 * either. Reported by: Hellmuth Michaelis (hm@kts.org)
293 * (PR 8882).
294 */
295 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
296 /*quirks*/ DA_Q_NO_SYNC_CACHE
297 },
298 {
299 /*
300 * Doesn't like the synchronize cache command.
301 * Reported by: Blaz Zupan <blaz@gold.amis.net>
302 */
303 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
304 /*quirks*/ DA_Q_NO_SYNC_CACHE
305 },
306 {
307 /*
308 * Doesn't like the synchronize cache command.
309 * Reported by: Blaz Zupan <blaz@gold.amis.net>
310 */
311 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
312 /*quirks*/ DA_Q_NO_SYNC_CACHE
313 },
314 {
315 /*
316 * Doesn't like the synchronize cache command.
317 */
318 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
319 /*quirks*/ DA_Q_NO_SYNC_CACHE
320 },
321 {
322 /*
323 * Doesn't like the synchronize cache command.
324 * Reported by: walter@pelissero.de
325 */
326 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"},
327 /*quirks*/ DA_Q_NO_SYNC_CACHE
328 },
329 {
330 /*
331 * Doesn't work correctly with 6 byte reads/writes.
332 * Returns illegal request, and points to byte 9 of the
333 * 6-byte CDB.
334 * Reported by: Adam McDougall <bsdx@spawnet.com>
335 */
336 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
337 /*quirks*/ DA_Q_NO_6_BYTE
338 },
339 {
340 /* See above. */
341 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
342 /*quirks*/ DA_Q_NO_6_BYTE
343 },
344 {
345 /*
346 * Doesn't like the synchronize cache command.
347 * Reported by: walter@pelissero.de
348 */
349 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"},
350 /*quirks*/ DA_Q_NO_SYNC_CACHE
351 },
352 {
353 /*
354 * The CISS RAID controllers do not support SYNC_CACHE
355 */
356 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
357 /*quirks*/ DA_Q_NO_SYNC_CACHE
358 },
359 {
360 /*
361 * The STEC SSDs sometimes hang on UNMAP.
362 */
363 {T_DIRECT, SIP_MEDIA_FIXED, "STEC", "*", "*"},
364 /*quirks*/ DA_Q_NO_UNMAP
365 },
366 {
367 /*
368 * VMware returns BUSY status when storage has transient
369 * connectivity problems, so better wait.
370 */
371 {T_DIRECT, SIP_MEDIA_FIXED, "VMware", "Virtual disk", "*"},
372 /*quirks*/ DA_Q_RETRY_BUSY
373 },
374 /* USB mass storage devices supported by umass(4) */
375 {
376 /*
377 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
378 * PR: kern/51675
379 */
380 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
381 /*quirks*/ DA_Q_NO_SYNC_CACHE
382 },
383 {
384 /*
385 * Power Quotient Int. (PQI) USB flash key
386 * PR: kern/53067
387 */
388 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*",
389 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
390 },
391 {
392 /*
393 * Creative Nomad MUVO mp3 player (USB)
394 * PR: kern/53094
395 */
396 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
397 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
398 },
399 {
400 /*
401 * Jungsoft NEXDISK USB flash key
402 * PR: kern/54737
403 */
404 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
405 /*quirks*/ DA_Q_NO_SYNC_CACHE
406 },
407 {
408 /*
409 * FreeDik USB Mini Data Drive
410 * PR: kern/54786
411 */
412 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive",
413 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
414 },
415 {
416 /*
417 * Sigmatel USB Flash MP3 Player
418 * PR: kern/57046
419 */
420 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"},
421 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
422 },
423 {
424 /*
425 * Neuros USB Digital Audio Computer
426 * PR: kern/63645
427 */
428 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.",
429 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
430 },
431 {
432 /*
433 * SEAGRAND NP-900 MP3 Player
434 * PR: kern/64563
435 */
436 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"},
437 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
438 },
439 {
440 /*
441 * iRiver iFP MP3 player (with UMS Firmware)
442 * PR: kern/54881, i386/63941, kern/66124
443 */
444 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
445 /*quirks*/ DA_Q_NO_SYNC_CACHE
446 },
447 {
448 /*
449 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
450 * PR: kern/70158
451 */
452 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"},
453 /*quirks*/ DA_Q_NO_SYNC_CACHE
454 },
455 {
456 /*
457 * ZICPlay USB MP3 Player with FM
458 * PR: kern/75057
459 */
460 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"},
461 /*quirks*/ DA_Q_NO_SYNC_CACHE
462 },
463 {
464 /*
465 * TEAC USB floppy mechanisms
466 */
467 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"},
468 /*quirks*/ DA_Q_NO_SYNC_CACHE
469 },
470 {
471 /*
472 * Kingston DataTraveler II+ USB Pen-Drive.
473 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org>
474 */
475 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+",
476 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
477 },
478 {
479 /*
480 * USB DISK Pro PMAP
481 * Reported by: jhs
482 * PR: usb/96381
483 */
484 {T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"},
485 /*quirks*/ DA_Q_NO_SYNC_CACHE
486 },
487 {
488 /*
489 * Motorola E398 Mobile Phone (TransFlash memory card).
490 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl>
491 * PR: usb/89889
492 */
493 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone",
494 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
495 },
496 {
497 /*
498 * Qware BeatZkey! Pro
499 * PR: usb/79164
500 */
501 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE",
502 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
503 },
504 {
505 /*
506 * Time DPA20B 1GB MP3 Player
507 * PR: usb/81846
508 */
509 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*",
510 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
511 },
512 {
513 /*
514 * Samsung USB key 128Mb
515 * PR: usb/90081
516 */
517 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb",
518 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
519 },
520 {
521 /*
522 * Kingston DataTraveler 2.0 USB Flash memory.
523 * PR: usb/89196
524 */
525 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0",
526 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
527 },
528 {
529 /*
530 * Creative MUVO Slim mp3 player (USB)
531 * PR: usb/86131
532 */
533 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim",
534 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
535 },
536 {
537 /*
538 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3)
539 * PR: usb/80487
540 */
541 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK",
542 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
543 },
544 {
545 /*
546 * SanDisk Micro Cruzer 128MB
547 * PR: usb/75970
548 */
549 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer",
550 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
551 },
552 {
553 /*
554 * TOSHIBA TransMemory USB sticks
555 * PR: kern/94660
556 */
557 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory",
558 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
559 },
560 {
561 /*
562 * PNY USB 3.0 Flash Drives
563 */
564 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PNY", "USB 3.0 FD*",
565 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_RC16
566 },
567 {
568 /*
569 * PNY USB Flash keys
570 * PR: usb/75578, usb/72344, usb/65436
571 */
572 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*",
573 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
574 },
575 {
576 /*
577 * Genesys 6-in-1 Card Reader
578 * PR: usb/94647
579 */
580 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
581 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
582 },
583 {
584 /*
585 * Rekam Digital CAMERA
586 * PR: usb/98713
587 */
588 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*",
589 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
590 },
591 {
592 /*
593 * iRiver H10 MP3 player
594 * PR: usb/102547
595 */
596 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*",
597 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
598 },
599 {
600 /*
601 * iRiver U10 MP3 player
602 * PR: usb/92306
603 */
604 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*",
605 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
606 },
607 {
608 /*
609 * X-Micro Flash Disk
610 * PR: usb/96901
611 */
612 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk",
613 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
614 },
615 {
616 /*
617 * EasyMP3 EM732X USB 2.0 Flash MP3 Player
618 * PR: usb/96546
619 */
620 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*",
621 "1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
622 },
623 {
624 /*
625 * Denver MP3 player
626 * PR: usb/107101
627 */
628 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER",
629 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
630 },
631 {
632 /*
633 * Philips USB Key Audio KEY013
634 * PR: usb/68412
635 */
636 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"},
637 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
638 },
639 {
640 /*
641 * JNC MP3 Player
642 * PR: usb/94439
643 */
644 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*",
645 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
646 },
647 {
648 /*
649 * SAMSUNG MP0402H
650 * PR: usb/108427
651 */
652 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"},
653 /*quirks*/ DA_Q_NO_SYNC_CACHE
654 },
655 {
656 /*
657 * I/O Magic USB flash - Giga Bank
658 * PR: usb/108810
659 */
660 {T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"},
661 /*quirks*/ DA_Q_NO_SYNC_CACHE
662 },
663 {
664 /*
665 * JoyFly 128mb USB Flash Drive
666 * PR: 96133
667 */
668 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*",
669 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
670 },
671 {
672 /*
673 * ChipsBnk usb stick
674 * PR: 103702
675 */
676 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*",
677 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
678 },
679 {
680 /*
681 * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A
682 * PR: 129858
683 */
684 {T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*",
685 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
686 },
687 {
688 /*
689 * Samsung YP-U3 mp3-player
690 * PR: 125398
691 */
692 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3",
693 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
694 },
695 {
696 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*",
697 "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
698 },
699 {
700 /*
701 * Sony Cyber-Shot DSC cameras
702 * PR: usb/137035
703 */
704 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
705 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
706 },
707 {
708 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3",
709 "1.00"}, /*quirks*/ DA_Q_NO_PREVENT
710 },
711 {
712 /* At least several Transcent USB sticks lie on RC16. */
713 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JetFlash", "Transcend*",
714 "*"}, /*quirks*/ DA_Q_NO_RC16
715 },
716 /* ATA/SATA devices over SAS/USB/... */
717 {
718 /* Hitachi Advanced Format (4k) drives */
719 { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" },
720 /*quirks*/DA_Q_4K
721 },
722 {
723 /* Samsung Advanced Format (4k) drives */
724 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" },
725 /*quirks*/DA_Q_4K
726 },
727 {
728 /* Samsung Advanced Format (4k) drives */
729 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" },
730 /*quirks*/DA_Q_4K
731 },
732 {
733 /* Samsung Advanced Format (4k) drives */
734 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" },
735 /*quirks*/DA_Q_4K
736 },
737 {
738 /* Samsung Advanced Format (4k) drives */
739 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" },
740 /*quirks*/DA_Q_4K
741 },
742 {
743 /* Seagate Barracuda Green Advanced Format (4k) drives */
744 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" },
745 /*quirks*/DA_Q_4K
746 },
747 {
748 /* Seagate Barracuda Green Advanced Format (4k) drives */
749 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" },
750 /*quirks*/DA_Q_4K
751 },
752 {
753 /* Seagate Barracuda Green Advanced Format (4k) drives */
754 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" },
755 /*quirks*/DA_Q_4K
756 },
757 {
758 /* Seagate Barracuda Green Advanced Format (4k) drives */
759 { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" },
760 /*quirks*/DA_Q_4K
761 },
762 {
763 /* Seagate Barracuda Green Advanced Format (4k) drives */
764 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" },
765 /*quirks*/DA_Q_4K
766 },
767 {
768 /* Seagate Barracuda Green Advanced Format (4k) drives */
769 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" },
770 /*quirks*/DA_Q_4K
771 },
772 {
773 /* Seagate Momentus Advanced Format (4k) drives */
774 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" },
775 /*quirks*/DA_Q_4K
776 },
777 {
778 /* Seagate Momentus Advanced Format (4k) drives */
779 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" },
780 /*quirks*/DA_Q_4K
781 },
782 {
783 /* Seagate Momentus Advanced Format (4k) drives */
784 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" },
785 /*quirks*/DA_Q_4K
786 },
787 {
788 /* Seagate Momentus Advanced Format (4k) drives */
789 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" },
790 /*quirks*/DA_Q_4K
791 },
792 {
793 /* Seagate Momentus Advanced Format (4k) drives */
794 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" },
795 /*quirks*/DA_Q_4K
796 },
797 {
798 /* Seagate Momentus Advanced Format (4k) drives */
799 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" },
800 /*quirks*/DA_Q_4K
801 },
802 {
803 /* Seagate Momentus Advanced Format (4k) drives */
804 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" },
805 /*quirks*/DA_Q_4K
806 },
807 {
808 /* Seagate Momentus Advanced Format (4k) drives */
809 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" },
810 /*quirks*/DA_Q_4K
811 },
812 {
813 /* Seagate Momentus Advanced Format (4k) drives */
814 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" },
815 /*quirks*/DA_Q_4K
816 },
817 {
818 /* Seagate Momentus Advanced Format (4k) drives */
819 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" },
820 /*quirks*/DA_Q_4K
821 },
822 {
823 /* Seagate Momentus Advanced Format (4k) drives */
824 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" },
825 /*quirks*/DA_Q_4K
826 },
827 {
828 /* Seagate Momentus Advanced Format (4k) drives */
829 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" },
830 /*quirks*/DA_Q_4K
831 },
832 {
833 /* Seagate Momentus Advanced Format (4k) drives */
834 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" },
835 /*quirks*/DA_Q_4K
836 },
837 {
838 /* Seagate Momentus Advanced Format (4k) drives */
839 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" },
840 /*quirks*/DA_Q_4K
841 },
842 {
843 /* Seagate Momentus Thin Advanced Format (4k) drives */
844 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" },
845 /*quirks*/DA_Q_4K
846 },
847 {
848 /* Seagate Momentus Thin Advanced Format (4k) drives */
849 { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" },
850 /*quirks*/DA_Q_4K
851 },
852 {
853 /* WDC Caviar Green Advanced Format (4k) drives */
854 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" },
855 /*quirks*/DA_Q_4K
856 },
857 {
858 /* WDC Caviar Green Advanced Format (4k) drives */
859 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" },
860 /*quirks*/DA_Q_4K
861 },
862 {
863 /* WDC Caviar Green Advanced Format (4k) drives */
864 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" },
865 /*quirks*/DA_Q_4K
866 },
867 {
868 /* WDC Caviar Green Advanced Format (4k) drives */
869 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" },
870 /*quirks*/DA_Q_4K
871 },
872 {
873 /* WDC Caviar Green Advanced Format (4k) drives */
874 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" },
875 /*quirks*/DA_Q_4K
876 },
877 {
878 /* WDC Caviar Green Advanced Format (4k) drives */
879 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" },
880 /*quirks*/DA_Q_4K
881 },
882 {
883 /* WDC Caviar Green Advanced Format (4k) drives */
884 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" },
885 /*quirks*/DA_Q_4K
886 },
887 {
888 /* WDC Caviar Green Advanced Format (4k) drives */
889 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" },
890 /*quirks*/DA_Q_4K
891 },
892 {
893 /* WDC Scorpio Black Advanced Format (4k) drives */
894 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" },
895 /*quirks*/DA_Q_4K
896 },
897 {
898 /* WDC Scorpio Black Advanced Format (4k) drives */
899 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" },
900 /*quirks*/DA_Q_4K
901 },
902 {
903 /* WDC Scorpio Black Advanced Format (4k) drives */
904 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" },
905 /*quirks*/DA_Q_4K
906 },
907 {
908 /* WDC Scorpio Black Advanced Format (4k) drives */
909 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" },
910 /*quirks*/DA_Q_4K
911 },
912 {
913 /* WDC Scorpio Blue Advanced Format (4k) drives */
914 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" },
915 /*quirks*/DA_Q_4K
916 },
917 {
918 /* WDC Scorpio Blue Advanced Format (4k) drives */
919 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" },
920 /*quirks*/DA_Q_4K
921 },
922 {
923 /* WDC Scorpio Blue Advanced Format (4k) drives */
924 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" },
925 /*quirks*/DA_Q_4K
926 },
927 {
928 /* WDC Scorpio Blue Advanced Format (4k) drives */
929 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" },
930 /*quirks*/DA_Q_4K
931 },
932 {
933 /*
934 * Olympus FE-210 camera
935 */
936 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*",
937 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
938 },
939 {
940 /*
941 * LG UP3S MP3 player
942 */
943 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S",
944 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
945 },
946 {
947 /*
948 * Laser MP3-2GA13 MP3 player
949 */
950 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk",
951 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
952 },
953 {
954 /*
955 * LaCie external 250GB Hard drive des by Porsche
956 * Submitted by: Ben Stuyts <ben@altesco.nl>
957 * PR: 121474
958 */
959 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"},
960 /*quirks*/ DA_Q_NO_SYNC_CACHE
961 },
962 /* SATA SSDs */
963 {
964 /*
965 * Corsair Force 2 SSDs
966 * 4k optimised & trim only works in 4k requests + 4k aligned
967 */
968 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair CSSD-F*", "*" },
969 /*quirks*/DA_Q_4K
970 },
971 {
972 /*
973 * Corsair Force 3 SSDs
974 * 4k optimised & trim only works in 4k requests + 4k aligned
975 */
976 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force 3*", "*" },
977 /*quirks*/DA_Q_4K
978 },
979 {
980 /*
981 * Corsair Neutron GTX SSDs
982 * 4k optimised & trim only works in 4k requests + 4k aligned
983 */
984 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" },
985 /*quirks*/DA_Q_4K
986 },
987 {
988 /*
989 * Corsair Force GT SSDs
990 * 4k optimised & trim only works in 4k requests + 4k aligned
991 */
992 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force GT*", "*" },
993 /*quirks*/DA_Q_4K
994 },
995 {
996 /*
997 * Crucial M4 SSDs
998 * 4k optimised & trim only works in 4k requests + 4k aligned
999 */
1000 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "M4-CT???M4SSD2*", "*" },
1001 /*quirks*/DA_Q_4K
1002 },
1003 {
1004 /*
1005 * Crucial RealSSD C300 SSDs
1006 * 4k optimised
1007 */
1008 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "C300-CTFDDAC???MAG*",
1009 "*" }, /*quirks*/DA_Q_4K
1010 },
1011 {
1012 /*
1013 * Intel 320 Series SSDs
1014 * 4k optimised & trim only works in 4k requests + 4k aligned
1015 */
1016 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2CW*", "*" },
1017 /*quirks*/DA_Q_4K
1018 },
1019 {
1020 /*
1021 * Intel 330 Series SSDs
1022 * 4k optimised & trim only works in 4k requests + 4k aligned
1023 */
1024 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2CT*", "*" },
1025 /*quirks*/DA_Q_4K
1026 },
1027 {
1028 /*
1029 * Intel 510 Series SSDs
1030 * 4k optimised & trim only works in 4k requests + 4k aligned
1031 */
1032 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2MH*", "*" },
1033 /*quirks*/DA_Q_4K
1034 },
1035 {
1036 /*
1037 * Intel 520 Series SSDs
1038 * 4k optimised & trim only works in 4k requests + 4k aligned
1039 */
1040 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BW*", "*" },
1041 /*quirks*/DA_Q_4K
1042 },
1043 {
1044 /*
1045 * Intel X25-M Series SSDs
1046 * 4k optimised & trim only works in 4k requests + 4k aligned
1047 */
1048 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2M*", "*" },
1049 /*quirks*/DA_Q_4K
1050 },
1051 {
1052 /*
1053 * Kingston E100 Series SSDs
1054 * 4k optimised & trim only works in 4k requests + 4k aligned
1055 */
1056 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SE100S3*", "*" },
1057 /*quirks*/DA_Q_4K
1058 },
1059 {
1060 /*
1061 * Kingston HyperX 3k SSDs
1062 * 4k optimised & trim only works in 4k requests + 4k aligned
1063 */
1064 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SH103S3*", "*" },
1065 /*quirks*/DA_Q_4K
1066 },
1067 {
1068 /*
1069 * Marvell SSDs (entry taken from OpenSolaris)
1070 * 4k optimised & trim only works in 4k requests + 4k aligned
1071 */
1072 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MARVELL SD88SA02*", "*" },
1073 /*quirks*/DA_Q_4K
1074 },
1075 {
1076 /*
1077 * OCZ Agility 2 SSDs
1078 * 4k optimised & trim only works in 4k requests + 4k aligned
1079 */
1080 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" },
1081 /*quirks*/DA_Q_4K
1082 },
1083 {
1084 /*
1085 * OCZ Agility 3 SSDs
1086 * 4k optimised & trim only works in 4k requests + 4k aligned
1087 */
1088 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-AGILITY3*", "*" },
1089 /*quirks*/DA_Q_4K
1090 },
1091 {
1092 /*
1093 * OCZ Deneva R Series SSDs
1094 * 4k optimised & trim only works in 4k requests + 4k aligned
1095 */
1096 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "DENRSTE251M45*", "*" },
1097 /*quirks*/DA_Q_4K
1098 },
1099 {
1100 /*
1101 * OCZ Vertex 2 SSDs (inc pro series)
1102 * 4k optimised & trim only works in 4k requests + 4k aligned
1103 */
1104 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ?VERTEX2*", "*" },
1105 /*quirks*/DA_Q_4K
1106 },
1107 {
1108 /*
1109 * OCZ Vertex 3 SSDs
1110 * 4k optimised & trim only works in 4k requests + 4k aligned
1111 */
1112 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX3*", "*" },
1113 /*quirks*/DA_Q_4K
1114 },
1115 {
1116 /*
1117 * OCZ Vertex 4 SSDs
1118 * 4k optimised & trim only works in 4k requests + 4k aligned
1119 */
1120 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX4*", "*" },
1121 /*quirks*/DA_Q_4K
1122 },
1123 {
1124 /*
1125 * Samsung 830 Series SSDs
1126 * 4k optimised & trim only works in 4k requests + 4k aligned
1127 */
1128 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG SSD 830 Series*", "*" },
1129 /*quirks*/DA_Q_4K
1130 },
1131 {
1132 /*
1133 * SuperTalent TeraDrive CT SSDs
1134 * 4k optimised & trim only works in 4k requests + 4k aligned
1135 */
1136 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" },
1137 /*quirks*/DA_Q_4K
1138 },
1139 {
1140 /*
1141 * XceedIOPS SATA SSDs
1142 * 4k optimised
1143 */
1144 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" },
1145 /*quirks*/DA_Q_4K
1146 },
1147 {
1148 /*
1149 * Hama Innostor USB-Stick
1150 */
1151 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Innostor", "Innostor*", "*" },
1152 /*quirks*/DA_Q_NO_RC16
1153 },
1154 };
1155
1156 static disk_strategy_t dastrategy;
1157 static dumper_t dadump;
1158 static periph_init_t dainit;
1159 static void daasync(void *callback_arg, u_int32_t code,
1160 struct cam_path *path, void *arg);
1161 static void dasysctlinit(void *context, int pending);
1162 static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
1163 static int dadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
1164 static int dadeletemaxsysctl(SYSCTL_HANDLER_ARGS);
1165 static void dadeletemethodset(struct da_softc *softc,
1166 da_delete_methods delete_method);
1167 static off_t dadeletemaxsize(struct da_softc *softc,
1168 da_delete_methods delete_method);
1169 static void dadeletemethodchoose(struct da_softc *softc,
1170 da_delete_methods default_method);
1171 static void daprobedone(struct cam_periph *periph, union ccb *ccb);
1172
1173 static periph_ctor_t daregister;
1174 static periph_dtor_t dacleanup;
1175 static periph_start_t dastart;
1176 static periph_oninv_t daoninvalidate;
1177 static void dadone(struct cam_periph *periph,
1178 union ccb *done_ccb);
1179 static int daerror(union ccb *ccb, u_int32_t cam_flags,
1180 u_int32_t sense_flags);
1181 static void daprevent(struct cam_periph *periph, int action);
1182 static void dareprobe(struct cam_periph *periph);
1183 static void dasetgeom(struct cam_periph *periph, uint32_t block_len,
1184 uint64_t maxsector,
1185 struct scsi_read_capacity_data_long *rcaplong,
1186 size_t rcap_size);
1187 static timeout_t dasendorderedtag;
1188 static void dashutdown(void *arg, int howto);
1189 static timeout_t damediapoll;
1190
1191 #ifndef DA_DEFAULT_POLL_PERIOD
1192 #define DA_DEFAULT_POLL_PERIOD 3
1193 #endif
1194
1195 #ifndef DA_DEFAULT_TIMEOUT
1196 #define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */
1197 #endif
1198
1199 #ifndef DA_DEFAULT_RETRY
1200 #define DA_DEFAULT_RETRY 4
1201 #endif
1202
1203 #ifndef DA_DEFAULT_SEND_ORDERED
1204 #define DA_DEFAULT_SEND_ORDERED 1
1205 #endif
1206
1207 #define DA_SIO (softc->sort_io_queue >= 0 ? \
1208 softc->sort_io_queue : cam_sort_io_queues)
1209
1210 static int da_poll_period = DA_DEFAULT_POLL_PERIOD;
1211 static int da_retry_count = DA_DEFAULT_RETRY;
1212 static int da_default_timeout = DA_DEFAULT_TIMEOUT;
1213 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED;
1214
1215 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
1216 "CAM Direct Access Disk driver");
1217 SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RW,
1218 &da_poll_period, 0, "Media polling period in seconds");
1219 TUNABLE_INT("kern.cam.da.poll_period", &da_poll_period);
1220 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW,
1221 &da_retry_count, 0, "Normal I/O retry count");
1222 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count);
1223 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW,
1224 &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
1225 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout);
1226 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RW,
1227 &da_send_ordered, 0, "Send Ordered Tags");
1228 TUNABLE_INT("kern.cam.da.send_ordered", &da_send_ordered);
1229
1230 /*
1231 * DA_ORDEREDTAG_INTERVAL determines how often, relative
1232 * to the default timeout, we check to see whether an ordered
1233 * tagged transaction is appropriate to prevent simple tag
1234 * starvation. Since we'd like to ensure that there is at least
1235 * 1/2 of the timeout length left for a starved transaction to
1236 * complete after we've sent an ordered tag, we must poll at least
1237 * four times in every timeout period. This takes care of the worst
1238 * case where a starved transaction starts during an interval that
1239 * meets the requirement "don't send an ordered tag" test so it takes
1240 * us two intervals to determine that a tag must be sent.
1241 */
1242 #ifndef DA_ORDEREDTAG_INTERVAL
1243 #define DA_ORDEREDTAG_INTERVAL 4
1244 #endif
1245
1246 static struct periph_driver dadriver =
1247 {
1248 dainit, "da",
1249 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
1250 };
1251
1252 PERIPHDRIVER_DECLARE(da, dadriver);
1253
1254 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
1255
1256 static int
daopen(struct disk * dp)1257 daopen(struct disk *dp)
1258 {
1259 struct cam_periph *periph;
1260 struct da_softc *softc;
1261 int error;
1262
1263 periph = (struct cam_periph *)dp->d_drv1;
1264 if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
1265 return (ENXIO);
1266 }
1267
1268 cam_periph_lock(periph);
1269 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) {
1270 cam_periph_unlock(periph);
1271 cam_periph_release(periph);
1272 return (error);
1273 }
1274
1275 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1276 ("daopen\n"));
1277
1278 softc = (struct da_softc *)periph->softc;
1279 dareprobe(periph);
1280
1281 /* Wait for the disk size update. */
1282 error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO,
1283 "dareprobe", 0);
1284 if (error != 0)
1285 xpt_print(periph->path, "unable to retrieve capacity data\n");
1286
1287 if (periph->flags & CAM_PERIPH_INVALID)
1288 error = ENXIO;
1289
1290 if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1291 (softc->quirks & DA_Q_NO_PREVENT) == 0)
1292 daprevent(periph, PR_PREVENT);
1293
1294 if (error == 0) {
1295 softc->flags &= ~DA_FLAG_PACK_INVALID;
1296 softc->flags |= DA_FLAG_OPEN;
1297 }
1298
1299 cam_periph_unhold(periph);
1300 cam_periph_unlock(periph);
1301
1302 if (error != 0)
1303 cam_periph_release(periph);
1304
1305 return (error);
1306 }
1307
1308 static int
daclose(struct disk * dp)1309 daclose(struct disk *dp)
1310 {
1311 struct cam_periph *periph;
1312 struct da_softc *softc;
1313 int error;
1314
1315 periph = (struct cam_periph *)dp->d_drv1;
1316 cam_periph_lock(periph);
1317 if (cam_periph_hold(periph, PRIBIO) != 0) {
1318 cam_periph_unlock(periph);
1319 cam_periph_release(periph);
1320 return (0);
1321 }
1322
1323 softc = (struct da_softc *)periph->softc;
1324
1325 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1326 ("daclose\n"));
1327
1328 if ((softc->flags & DA_FLAG_DIRTY) != 0 &&
1329 (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 &&
1330 (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
1331 union ccb *ccb;
1332
1333 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1334
1335 scsi_synchronize_cache(&ccb->csio,
1336 /*retries*/1,
1337 /*cbfcnp*/dadone,
1338 MSG_SIMPLE_Q_TAG,
1339 /*begin_lba*/0,/* Cover the whole disk */
1340 /*lb_count*/0,
1341 SSD_FULL_SIZE,
1342 5 * 60 * 1000);
1343
1344 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
1345 /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR,
1346 softc->disk->d_devstat);
1347 if (error == 0)
1348 softc->flags &= ~DA_FLAG_DIRTY;
1349 xpt_release_ccb(ccb);
1350
1351 }
1352
1353 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) {
1354 if ((softc->quirks & DA_Q_NO_PREVENT) == 0)
1355 daprevent(periph, PR_ALLOW);
1356 /*
1357 * If we've got removeable media, mark the blocksize as
1358 * unavailable, since it could change when new media is
1359 * inserted.
1360 */
1361 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1362 }
1363
1364 softc->flags &= ~DA_FLAG_OPEN;
1365 cam_periph_unhold(periph);
1366 cam_periph_unlock(periph);
1367 cam_periph_release(periph);
1368 return (0);
1369 }
1370
1371 static void
daschedule(struct cam_periph * periph)1372 daschedule(struct cam_periph *periph)
1373 {
1374 struct da_softc *softc = (struct da_softc *)periph->softc;
1375 uint32_t prio;
1376
1377 if (softc->state != DA_STATE_NORMAL)
1378 return;
1379
1380 /* Check if cam_periph_getccb() was called. */
1381 prio = periph->immediate_priority;
1382
1383 /* Check if we have more work to do. */
1384 if (bioq_first(&softc->bio_queue) ||
1385 (!softc->delete_running && bioq_first(&softc->delete_queue)) ||
1386 softc->tur) {
1387 prio = CAM_PRIORITY_NORMAL;
1388 }
1389
1390 /* Schedule CCB if any of above is true. */
1391 if (prio != CAM_PRIORITY_NONE)
1392 xpt_schedule(periph, prio);
1393 }
1394
1395 /*
1396 * Actually translate the requested transfer into one the physical driver
1397 * can understand. The transfer is described by a buf and will include
1398 * only one physical transfer.
1399 */
1400 static void
dastrategy(struct bio * bp)1401 dastrategy(struct bio *bp)
1402 {
1403 struct cam_periph *periph;
1404 struct da_softc *softc;
1405
1406 periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1407 softc = (struct da_softc *)periph->softc;
1408
1409 cam_periph_lock(periph);
1410
1411 /*
1412 * If the device has been made invalid, error out
1413 */
1414 if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1415 cam_periph_unlock(periph);
1416 biofinish(bp, NULL, ENXIO);
1417 return;
1418 }
1419
1420 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp));
1421
1422 /*
1423 * Place it in the queue of disk activities for this disk
1424 */
1425 if (bp->bio_cmd == BIO_DELETE) {
1426 if (bp->bio_bcount == 0)
1427 biodone(bp);
1428 else if (DA_SIO)
1429 bioq_disksort(&softc->delete_queue, bp);
1430 else
1431 bioq_insert_tail(&softc->delete_queue, bp);
1432 } else if (DA_SIO) {
1433 bioq_disksort(&softc->bio_queue, bp);
1434 } else {
1435 bioq_insert_tail(&softc->bio_queue, bp);
1436 }
1437
1438 /*
1439 * Schedule ourselves for performing the work.
1440 */
1441 daschedule(periph);
1442 cam_periph_unlock(periph);
1443
1444 return;
1445 }
1446
1447 static int
dadump(void * arg,void * virtual,vm_offset_t physical,off_t offset,size_t length)1448 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1449 {
1450 struct cam_periph *periph;
1451 struct da_softc *softc;
1452 u_int secsize;
1453 struct ccb_scsiio csio;
1454 struct disk *dp;
1455 int error = 0;
1456
1457 dp = arg;
1458 periph = dp->d_drv1;
1459 softc = (struct da_softc *)periph->softc;
1460 cam_periph_lock(periph);
1461 secsize = softc->params.secsize;
1462
1463 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
1464 cam_periph_unlock(periph);
1465 return (ENXIO);
1466 }
1467
1468 if (length > 0) {
1469 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1470 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1471 scsi_read_write(&csio,
1472 /*retries*/0,
1473 dadone,
1474 MSG_ORDERED_Q_TAG,
1475 /*read*/SCSI_RW_WRITE,
1476 /*byte2*/0,
1477 /*minimum_cmd_size*/ softc->minimum_cmd_size,
1478 offset / secsize,
1479 length / secsize,
1480 /*data_ptr*/(u_int8_t *) virtual,
1481 /*dxfer_len*/length,
1482 /*sense_len*/SSD_FULL_SIZE,
1483 da_default_timeout * 1000);
1484 xpt_polled_action((union ccb *)&csio);
1485
1486 error = cam_periph_error((union ccb *)&csio,
1487 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1488 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1489 cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1490 /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1491 if (error != 0)
1492 printf("Aborting dump due to I/O error.\n");
1493 cam_periph_unlock(periph);
1494 return (error);
1495 }
1496
1497 /*
1498 * Sync the disk cache contents to the physical media.
1499 */
1500 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1501
1502 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1503 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1504 scsi_synchronize_cache(&csio,
1505 /*retries*/0,
1506 /*cbfcnp*/dadone,
1507 MSG_SIMPLE_Q_TAG,
1508 /*begin_lba*/0,/* Cover the whole disk */
1509 /*lb_count*/0,
1510 SSD_FULL_SIZE,
1511 5 * 60 * 1000);
1512 xpt_polled_action((union ccb *)&csio);
1513
1514 error = cam_periph_error((union ccb *)&csio,
1515 0, SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, NULL);
1516 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1517 cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1518 /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1519 if (error != 0)
1520 xpt_print(periph->path, "Synchronize cache failed\n");
1521 }
1522 cam_periph_unlock(periph);
1523 return (error);
1524 }
1525
1526 static int
dagetattr(struct bio * bp)1527 dagetattr(struct bio *bp)
1528 {
1529 int ret;
1530 struct cam_periph *periph;
1531
1532 periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1533 cam_periph_lock(periph);
1534 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1535 periph->path);
1536 cam_periph_unlock(periph);
1537 if (ret == 0)
1538 bp->bio_completed = bp->bio_length;
1539 return ret;
1540 }
1541
1542 static void
dainit(void)1543 dainit(void)
1544 {
1545 cam_status status;
1546
1547 /*
1548 * Install a global async callback. This callback will
1549 * receive async callbacks like "new device found".
1550 */
1551 status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
1552
1553 if (status != CAM_REQ_CMP) {
1554 printf("da: Failed to attach master async callback "
1555 "due to status 0x%x!\n", status);
1556 } else if (da_send_ordered) {
1557
1558 /* Register our shutdown event handler */
1559 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
1560 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1561 printf("dainit: shutdown event registration failed!\n");
1562 }
1563 }
1564
1565 /*
1566 * Callback from GEOM, called when it has finished cleaning up its
1567 * resources.
1568 */
1569 static void
dadiskgonecb(struct disk * dp)1570 dadiskgonecb(struct disk *dp)
1571 {
1572 struct cam_periph *periph;
1573
1574 periph = (struct cam_periph *)dp->d_drv1;
1575 cam_periph_release(periph);
1576 }
1577
1578 static void
daoninvalidate(struct cam_periph * periph)1579 daoninvalidate(struct cam_periph *periph)
1580 {
1581 struct da_softc *softc;
1582
1583 softc = (struct da_softc *)periph->softc;
1584
1585 /*
1586 * De-register any async callbacks.
1587 */
1588 xpt_register_async(0, daasync, periph, periph->path);
1589
1590 softc->flags |= DA_FLAG_PACK_INVALID;
1591
1592 /*
1593 * Return all queued I/O with ENXIO.
1594 * XXX Handle any transactions queued to the card
1595 * with XPT_ABORT_CCB.
1596 */
1597 bioq_flush(&softc->bio_queue, NULL, ENXIO);
1598 bioq_flush(&softc->delete_queue, NULL, ENXIO);
1599
1600 /*
1601 * Tell GEOM that we've gone away, we'll get a callback when it is
1602 * done cleaning up its resources.
1603 */
1604 disk_gone(softc->disk);
1605 }
1606
1607 static void
dacleanup(struct cam_periph * periph)1608 dacleanup(struct cam_periph *periph)
1609 {
1610 struct da_softc *softc;
1611
1612 softc = (struct da_softc *)periph->softc;
1613
1614 cam_periph_unlock(periph);
1615
1616 /*
1617 * If we can't free the sysctl tree, oh well...
1618 */
1619 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0
1620 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
1621 xpt_print(periph->path, "can't remove sysctl context\n");
1622 }
1623
1624 callout_drain(&softc->mediapoll_c);
1625 disk_destroy(softc->disk);
1626 callout_drain(&softc->sendordered_c);
1627 free(softc, M_DEVBUF);
1628 cam_periph_lock(periph);
1629 }
1630
1631 static void
daasync(void * callback_arg,u_int32_t code,struct cam_path * path,void * arg)1632 daasync(void *callback_arg, u_int32_t code,
1633 struct cam_path *path, void *arg)
1634 {
1635 struct cam_periph *periph;
1636 struct da_softc *softc;
1637
1638 periph = (struct cam_periph *)callback_arg;
1639 switch (code) {
1640 case AC_FOUND_DEVICE:
1641 {
1642 struct ccb_getdev *cgd;
1643 cam_status status;
1644
1645 cgd = (struct ccb_getdev *)arg;
1646 if (cgd == NULL)
1647 break;
1648
1649 if (cgd->protocol != PROTO_SCSI)
1650 break;
1651
1652 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
1653 && SID_TYPE(&cgd->inq_data) != T_RBC
1654 && SID_TYPE(&cgd->inq_data) != T_OPTICAL)
1655 break;
1656
1657 /*
1658 * Allocate a peripheral instance for
1659 * this device and start the probe
1660 * process.
1661 */
1662 status = cam_periph_alloc(daregister, daoninvalidate,
1663 dacleanup, dastart,
1664 "da", CAM_PERIPH_BIO,
1665 cgd->ccb_h.path, daasync,
1666 AC_FOUND_DEVICE, cgd);
1667
1668 if (status != CAM_REQ_CMP
1669 && status != CAM_REQ_INPROG)
1670 printf("daasync: Unable to attach to new device "
1671 "due to status 0x%x\n", status);
1672 return;
1673 }
1674 case AC_ADVINFO_CHANGED:
1675 {
1676 uintptr_t buftype;
1677
1678 buftype = (uintptr_t)arg;
1679 if (buftype == CDAI_TYPE_PHYS_PATH) {
1680 struct da_softc *softc;
1681
1682 softc = periph->softc;
1683 disk_attr_changed(softc->disk, "GEOM::physpath",
1684 M_NOWAIT);
1685 }
1686 break;
1687 }
1688 case AC_UNIT_ATTENTION:
1689 {
1690 union ccb *ccb;
1691 int error_code, sense_key, asc, ascq;
1692
1693 softc = (struct da_softc *)periph->softc;
1694 ccb = (union ccb *)arg;
1695
1696 /*
1697 * Handle all UNIT ATTENTIONs except our own,
1698 * as they will be handled by daerror().
1699 */
1700 if (xpt_path_periph(ccb->ccb_h.path) != periph &&
1701 scsi_extract_sense_ccb(ccb,
1702 &error_code, &sense_key, &asc, &ascq)) {
1703 if (asc == 0x2A && ascq == 0x09) {
1704 xpt_print(ccb->ccb_h.path,
1705 "Capacity data has changed\n");
1706 softc->flags &= ~DA_FLAG_PROBED;
1707 dareprobe(periph);
1708 } else if (asc == 0x28 && ascq == 0x00) {
1709 softc->flags &= ~DA_FLAG_PROBED;
1710 disk_media_changed(softc->disk, M_NOWAIT);
1711 } else if (asc == 0x3F && ascq == 0x03) {
1712 xpt_print(ccb->ccb_h.path,
1713 "INQUIRY data has changed\n");
1714 softc->flags &= ~DA_FLAG_PROBED;
1715 dareprobe(periph);
1716 }
1717 }
1718 cam_periph_async(periph, code, path, arg);
1719 break;
1720 }
1721 case AC_SCSI_AEN:
1722 softc = (struct da_softc *)periph->softc;
1723 if (!softc->tur) {
1724 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
1725 softc->tur = 1;
1726 daschedule(periph);
1727 }
1728 }
1729 /* FALLTHROUGH */
1730 case AC_SENT_BDR:
1731 case AC_BUS_RESET:
1732 {
1733 struct ccb_hdr *ccbh;
1734
1735 softc = (struct da_softc *)periph->softc;
1736 /*
1737 * Don't fail on the expected unit attention
1738 * that will occur.
1739 */
1740 softc->flags |= DA_FLAG_RETRY_UA;
1741 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
1742 ccbh->ccb_state |= DA_CCB_RETRY_UA;
1743 break;
1744 }
1745 default:
1746 break;
1747 }
1748 cam_periph_async(periph, code, path, arg);
1749 }
1750
1751 static void
dasysctlinit(void * context,int pending)1752 dasysctlinit(void *context, int pending)
1753 {
1754 struct cam_periph *periph;
1755 struct da_softc *softc;
1756 char tmpstr[80], tmpstr2[80];
1757 struct ccb_trans_settings cts;
1758
1759 periph = (struct cam_periph *)context;
1760 /*
1761 * periph was held for us when this task was enqueued
1762 */
1763 if (periph->flags & CAM_PERIPH_INVALID) {
1764 cam_periph_release(periph);
1765 return;
1766 }
1767
1768 softc = (struct da_softc *)periph->softc;
1769 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
1770 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1771
1772 sysctl_ctx_init(&softc->sysctl_ctx);
1773 softc->flags |= DA_FLAG_SCTX_INIT;
1774 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
1775 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
1776 CTLFLAG_RD, 0, tmpstr);
1777 if (softc->sysctl_tree == NULL) {
1778 printf("dasysctlinit: unable to allocate sysctl tree\n");
1779 cam_periph_release(periph);
1780 return;
1781 }
1782
1783 /*
1784 * Now register the sysctl handler, so the user can change the value on
1785 * the fly.
1786 */
1787 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1788 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RW,
1789 softc, 0, dadeletemethodsysctl, "A",
1790 "BIO_DELETE execution method");
1791 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1792 OID_AUTO, "delete_max", CTLTYPE_U64 | CTLFLAG_RW,
1793 softc, 0, dadeletemaxsysctl, "Q",
1794 "Maximum BIO_DELETE size");
1795 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1796 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
1797 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
1798 "Minimum CDB size");
1799 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1800 OID_AUTO, "sort_io_queue", CTLFLAG_RW, &softc->sort_io_queue, 0,
1801 "Sort IO queue to try and optimise disk access patterns");
1802
1803 SYSCTL_ADD_INT(&softc->sysctl_ctx,
1804 SYSCTL_CHILDREN(softc->sysctl_tree),
1805 OID_AUTO,
1806 "error_inject",
1807 CTLFLAG_RW,
1808 &softc->error_inject,
1809 0,
1810 "error_inject leaf");
1811
1812
1813 /*
1814 * Add some addressing info.
1815 */
1816 memset(&cts, 0, sizeof (cts));
1817 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
1818 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
1819 cts.type = CTS_TYPE_CURRENT_SETTINGS;
1820 cam_periph_lock(periph);
1821 xpt_action((union ccb *)&cts);
1822 cam_periph_unlock(periph);
1823 if (cts.ccb_h.status != CAM_REQ_CMP) {
1824 cam_periph_release(periph);
1825 return;
1826 }
1827 if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) {
1828 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc;
1829 if (fc->valid & CTS_FC_VALID_WWPN) {
1830 softc->wwpn = fc->wwpn;
1831 SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1832 SYSCTL_CHILDREN(softc->sysctl_tree),
1833 OID_AUTO, "wwpn", CTLFLAG_RD,
1834 &softc->wwpn, "World Wide Port Name");
1835 }
1836 }
1837 cam_periph_release(periph);
1838 }
1839
1840 static int
dadeletemaxsysctl(SYSCTL_HANDLER_ARGS)1841 dadeletemaxsysctl(SYSCTL_HANDLER_ARGS)
1842 {
1843 int error;
1844 uint64_t value;
1845 struct da_softc *softc;
1846
1847 softc = (struct da_softc *)arg1;
1848
1849 value = softc->disk->d_delmaxsize;
1850 error = sysctl_handle_64(oidp, &value, 0, req);
1851 if ((error != 0) || (req->newptr == NULL))
1852 return (error);
1853
1854 /* only accept values smaller than the calculated value */
1855 if (value > dadeletemaxsize(softc, softc->delete_method)) {
1856 return (EINVAL);
1857 }
1858 softc->disk->d_delmaxsize = value;
1859
1860 return (0);
1861 }
1862
1863 static int
dacmdsizesysctl(SYSCTL_HANDLER_ARGS)1864 dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
1865 {
1866 int error, value;
1867
1868 value = *(int *)arg1;
1869
1870 error = sysctl_handle_int(oidp, &value, 0, req);
1871
1872 if ((error != 0)
1873 || (req->newptr == NULL))
1874 return (error);
1875
1876 /*
1877 * Acceptable values here are 6, 10, 12 or 16.
1878 */
1879 if (value < 6)
1880 value = 6;
1881 else if ((value > 6)
1882 && (value <= 10))
1883 value = 10;
1884 else if ((value > 10)
1885 && (value <= 12))
1886 value = 12;
1887 else if (value > 12)
1888 value = 16;
1889
1890 *(int *)arg1 = value;
1891
1892 return (0);
1893 }
1894
1895 static void
dadeletemethodset(struct da_softc * softc,da_delete_methods delete_method)1896 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method)
1897 {
1898
1899
1900 softc->delete_method = delete_method;
1901 softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method);
1902 softc->delete_func = da_delete_functions[delete_method];
1903
1904 if (softc->delete_method > DA_DELETE_DISABLE)
1905 softc->disk->d_flags |= DISKFLAG_CANDELETE;
1906 else
1907 softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
1908 }
1909
1910 static off_t
dadeletemaxsize(struct da_softc * softc,da_delete_methods delete_method)1911 dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method)
1912 {
1913 off_t sectors;
1914
1915 switch(delete_method) {
1916 case DA_DELETE_UNMAP:
1917 sectors = (off_t)softc->unmap_max_lba;
1918 break;
1919 case DA_DELETE_ATA_TRIM:
1920 sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
1921 break;
1922 case DA_DELETE_WS16:
1923 sectors = omin(softc->ws_max_blks, WS16_MAX_BLKS);
1924 break;
1925 case DA_DELETE_ZERO:
1926 case DA_DELETE_WS10:
1927 sectors = omin(softc->ws_max_blks, WS10_MAX_BLKS);
1928 break;
1929 default:
1930 return 0;
1931 }
1932
1933 return (off_t)softc->params.secsize *
1934 omin(sectors, softc->params.sectors);
1935 }
1936
1937 static void
daprobedone(struct cam_periph * periph,union ccb * ccb)1938 daprobedone(struct cam_periph *periph, union ccb *ccb)
1939 {
1940 struct da_softc *softc;
1941
1942 softc = (struct da_softc *)periph->softc;
1943
1944 dadeletemethodchoose(softc, DA_DELETE_NONE);
1945
1946 if (bootverbose && (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
1947 char buf[80];
1948 int i, sep;
1949
1950 snprintf(buf, sizeof(buf), "Delete methods: <");
1951 sep = 0;
1952 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
1953 if (softc->delete_available & (1 << i)) {
1954 if (sep) {
1955 strlcat(buf, ",", sizeof(buf));
1956 } else {
1957 sep = 1;
1958 }
1959 strlcat(buf, da_delete_method_names[i],
1960 sizeof(buf));
1961 if (i == softc->delete_method) {
1962 strlcat(buf, "(*)", sizeof(buf));
1963 }
1964 }
1965 }
1966 if (sep == 0) {
1967 if (softc->delete_method == DA_DELETE_NONE)
1968 strlcat(buf, "NONE(*)", sizeof(buf));
1969 else
1970 strlcat(buf, "DISABLED(*)", sizeof(buf));
1971 }
1972 strlcat(buf, ">", sizeof(buf));
1973 printf("%s%d: %s\n", periph->periph_name,
1974 periph->unit_number, buf);
1975 }
1976
1977 /*
1978 * Since our peripheral may be invalidated by an error
1979 * above or an external event, we must release our CCB
1980 * before releasing the probe lock on the peripheral.
1981 * The peripheral will only go away once the last lock
1982 * is removed, and we need it around for the CCB release
1983 * operation.
1984 */
1985 xpt_release_ccb(ccb);
1986 softc->state = DA_STATE_NORMAL;
1987 softc->flags |= DA_FLAG_PROBED;
1988 daschedule(periph);
1989 wakeup(&softc->disk->d_mediasize);
1990 if ((softc->flags & DA_FLAG_ANNOUNCED) == 0) {
1991 softc->flags |= DA_FLAG_ANNOUNCED;
1992 cam_periph_unhold(periph);
1993 } else
1994 cam_periph_release_locked(periph);
1995 }
1996
1997 static void
dadeletemethodchoose(struct da_softc * softc,da_delete_methods default_method)1998 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method)
1999 {
2000 int i, delete_method;
2001
2002 delete_method = default_method;
2003
2004 /*
2005 * Use the pre-defined order to choose the best
2006 * performing delete.
2007 */
2008 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
2009 if (softc->delete_available & (1 << i)) {
2010 dadeletemethodset(softc, i);
2011 return;
2012 }
2013 }
2014 dadeletemethodset(softc, delete_method);
2015 }
2016
2017 static int
dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)2018 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
2019 {
2020 char buf[16];
2021 const char *p;
2022 struct da_softc *softc;
2023 int i, error, methods, value;
2024
2025 softc = (struct da_softc *)arg1;
2026
2027 value = softc->delete_method;
2028 if (value < 0 || value > DA_DELETE_MAX)
2029 p = "UNKNOWN";
2030 else
2031 p = da_delete_method_names[value];
2032 strncpy(buf, p, sizeof(buf));
2033 error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
2034 if (error != 0 || req->newptr == NULL)
2035 return (error);
2036 methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
2037 for (i = 0; i <= DA_DELETE_MAX; i++) {
2038 if (!(methods & (1 << i)) ||
2039 strcmp(buf, da_delete_method_names[i]) != 0)
2040 continue;
2041 dadeletemethodset(softc, i);
2042 return (0);
2043 }
2044 return (EINVAL);
2045 }
2046
2047 static cam_status
daregister(struct cam_periph * periph,void * arg)2048 daregister(struct cam_periph *periph, void *arg)
2049 {
2050 struct da_softc *softc;
2051 struct ccb_pathinq cpi;
2052 struct ccb_getdev *cgd;
2053 char tmpstr[80];
2054 caddr_t match;
2055
2056 cgd = (struct ccb_getdev *)arg;
2057 if (cgd == NULL) {
2058 printf("daregister: no getdev CCB, can't register device\n");
2059 return(CAM_REQ_CMP_ERR);
2060 }
2061
2062 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
2063 M_NOWAIT|M_ZERO);
2064
2065 if (softc == NULL) {
2066 printf("daregister: Unable to probe new device. "
2067 "Unable to allocate softc\n");
2068 return(CAM_REQ_CMP_ERR);
2069 }
2070
2071 LIST_INIT(&softc->pending_ccbs);
2072 softc->state = DA_STATE_PROBE_RC;
2073 bioq_init(&softc->bio_queue);
2074 bioq_init(&softc->delete_queue);
2075 bioq_init(&softc->delete_run_queue);
2076 if (SID_IS_REMOVABLE(&cgd->inq_data))
2077 softc->flags |= DA_FLAG_PACK_REMOVABLE;
2078 softc->unmap_max_ranges = UNMAP_MAX_RANGES;
2079 softc->unmap_max_lba = UNMAP_RANGE_MAX;
2080 softc->ws_max_blks = WS16_MAX_BLKS;
2081 softc->trim_max_ranges = ATA_TRIM_MAX_RANGES;
2082 softc->sort_io_queue = -1;
2083
2084 periph->softc = softc;
2085
2086 /*
2087 * See if this device has any quirks.
2088 */
2089 match = cam_quirkmatch((caddr_t)&cgd->inq_data,
2090 (caddr_t)da_quirk_table,
2091 sizeof(da_quirk_table)/sizeof(*da_quirk_table),
2092 sizeof(*da_quirk_table), scsi_inquiry_match);
2093
2094 if (match != NULL)
2095 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
2096 else
2097 softc->quirks = DA_Q_NONE;
2098
2099 /* Check if the SIM does not want 6 byte commands */
2100 bzero(&cpi, sizeof(cpi));
2101 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
2102 cpi.ccb_h.func_code = XPT_PATH_INQ;
2103 xpt_action((union ccb *)&cpi);
2104 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
2105 softc->quirks |= DA_Q_NO_6_BYTE;
2106
2107 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
2108
2109 /*
2110 * Take an exclusive refcount on the periph while dastart is called
2111 * to finish the probe. The reference will be dropped in dadone at
2112 * the end of probe.
2113 */
2114 (void)cam_periph_hold(periph, PRIBIO);
2115
2116 /*
2117 * Schedule a periodic event to occasionally send an
2118 * ordered tag to a device.
2119 */
2120 callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0);
2121 callout_reset(&softc->sendordered_c,
2122 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
2123 dasendorderedtag, softc);
2124
2125 cam_periph_unlock(periph);
2126 /*
2127 * RBC devices don't have to support READ(6), only READ(10).
2128 */
2129 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
2130 softc->minimum_cmd_size = 10;
2131 else
2132 softc->minimum_cmd_size = 6;
2133
2134 /*
2135 * Load the user's default, if any.
2136 */
2137 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
2138 periph->unit_number);
2139 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
2140
2141 /*
2142 * 6, 10, 12 and 16 are the currently permissible values.
2143 */
2144 if (softc->minimum_cmd_size < 6)
2145 softc->minimum_cmd_size = 6;
2146 else if ((softc->minimum_cmd_size > 6)
2147 && (softc->minimum_cmd_size <= 10))
2148 softc->minimum_cmd_size = 10;
2149 else if ((softc->minimum_cmd_size > 10)
2150 && (softc->minimum_cmd_size <= 12))
2151 softc->minimum_cmd_size = 12;
2152 else if (softc->minimum_cmd_size > 12)
2153 softc->minimum_cmd_size = 16;
2154
2155 /* Predict whether device may support READ CAPACITY(16). */
2156 if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 &&
2157 (softc->quirks & DA_Q_NO_RC16) == 0) {
2158 softc->flags |= DA_FLAG_CAN_RC16;
2159 softc->state = DA_STATE_PROBE_RC16;
2160 }
2161
2162 /*
2163 * Register this media as a disk.
2164 */
2165 softc->disk = disk_alloc();
2166 softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
2167 periph->unit_number, 0,
2168 DEVSTAT_BS_UNAVAILABLE,
2169 SID_TYPE(&cgd->inq_data) |
2170 XPORT_DEVSTAT_TYPE(cpi.transport),
2171 DEVSTAT_PRIORITY_DISK);
2172 softc->disk->d_open = daopen;
2173 softc->disk->d_close = daclose;
2174 softc->disk->d_strategy = dastrategy;
2175 softc->disk->d_dump = dadump;
2176 softc->disk->d_getattr = dagetattr;
2177 softc->disk->d_gone = dadiskgonecb;
2178 softc->disk->d_name = "da";
2179 softc->disk->d_drv1 = periph;
2180 if (cpi.maxio == 0)
2181 softc->maxio = DFLTPHYS; /* traditional default */
2182 else if (cpi.maxio > MAXPHYS)
2183 softc->maxio = MAXPHYS; /* for safety */
2184 else
2185 softc->maxio = cpi.maxio;
2186 softc->disk->d_maxsize = softc->maxio;
2187 softc->disk->d_unit = periph->unit_number;
2188 softc->disk->d_flags = 0;
2189 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
2190 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
2191 if ((cpi.hba_misc & PIM_UNMAPPED) != 0)
2192 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
2193 cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
2194 sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
2195 strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
2196 cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
2197 cgd->inq_data.product, sizeof(cgd->inq_data.product),
2198 sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
2199 softc->disk->d_hba_vendor = cpi.hba_vendor;
2200 softc->disk->d_hba_device = cpi.hba_device;
2201 softc->disk->d_hba_subvendor = cpi.hba_subvendor;
2202 softc->disk->d_hba_subdevice = cpi.hba_subdevice;
2203
2204 /*
2205 * Acquire a reference to the periph before we register with GEOM.
2206 * We'll release this reference once GEOM calls us back (via
2207 * dadiskgonecb()) telling us that our provider has been freed.
2208 */
2209 if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
2210 xpt_print(periph->path, "%s: lost periph during "
2211 "registration!\n", __func__);
2212 cam_periph_lock(periph);
2213 return (CAM_REQ_CMP_ERR);
2214 }
2215
2216 disk_create(softc->disk, DISK_VERSION);
2217 cam_periph_lock(periph);
2218
2219 /*
2220 * Add async callbacks for events of interest.
2221 * I don't bother checking if this fails as,
2222 * in most cases, the system will function just
2223 * fine without them and the only alternative
2224 * would be to not attach the device on failure.
2225 */
2226 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
2227 AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION,
2228 daasync, periph, periph->path);
2229
2230 /*
2231 * Emit an attribute changed notification just in case
2232 * physical path information arrived before our async
2233 * event handler was registered, but after anyone attaching
2234 * to our disk device polled it.
2235 */
2236 disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT);
2237
2238 /*
2239 * Schedule a periodic media polling events.
2240 */
2241 callout_init_mtx(&softc->mediapoll_c, periph->sim->mtx, 0);
2242 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) &&
2243 (cgd->inq_flags & SID_AEN) == 0 &&
2244 da_poll_period != 0)
2245 callout_reset(&softc->mediapoll_c, da_poll_period * hz,
2246 damediapoll, periph);
2247
2248 xpt_schedule(periph, CAM_PRIORITY_DEV);
2249
2250 return(CAM_REQ_CMP);
2251 }
2252
2253 static void
dastart(struct cam_periph * periph,union ccb * start_ccb)2254 dastart(struct cam_periph *periph, union ccb *start_ccb)
2255 {
2256 struct da_softc *softc;
2257
2258 softc = (struct da_softc *)periph->softc;
2259
2260 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n"));
2261
2262 skipstate:
2263 switch (softc->state) {
2264 case DA_STATE_NORMAL:
2265 {
2266 struct bio *bp;
2267 uint8_t tag_code;
2268
2269 /* Execute immediate CCB if waiting. */
2270 if (periph->immediate_priority <= periph->pinfo.priority) {
2271 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2272 ("queuing for immediate ccb\n"));
2273 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING;
2274 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h,
2275 periph_links.sle);
2276 periph->immediate_priority = CAM_PRIORITY_NONE;
2277 wakeup(&periph->ccb_list);
2278 /* May have more work to do, so ensure we stay scheduled */
2279 daschedule(periph);
2280 break;
2281 }
2282
2283 /* Run BIO_DELETE if not running yet. */
2284 if (!softc->delete_running &&
2285 (bp = bioq_first(&softc->delete_queue)) != NULL) {
2286 if (softc->delete_func != NULL) {
2287 softc->delete_func(periph, start_ccb, bp);
2288 goto out;
2289 } else {
2290 bioq_flush(&softc->delete_queue, NULL, 0);
2291 /* FALLTHROUGH */
2292 }
2293 }
2294
2295 /* Run regular command. */
2296 bp = bioq_takefirst(&softc->bio_queue);
2297 if (bp == NULL) {
2298 if (softc->tur) {
2299 softc->tur = 0;
2300 scsi_test_unit_ready(&start_ccb->csio,
2301 /*retries*/ da_retry_count,
2302 dadone,
2303 MSG_SIMPLE_Q_TAG,
2304 SSD_FULL_SIZE,
2305 da_default_timeout * 1000);
2306 start_ccb->ccb_h.ccb_bp = NULL;
2307 start_ccb->ccb_h.ccb_state = DA_CCB_TUR;
2308 xpt_action(start_ccb);
2309 } else
2310 xpt_release_ccb(start_ccb);
2311 break;
2312 }
2313 if (softc->tur) {
2314 softc->tur = 0;
2315 cam_periph_release_locked(periph);
2316 }
2317
2318 if ((bp->bio_flags & BIO_ORDERED) != 0 ||
2319 (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
2320 softc->flags &= ~DA_FLAG_NEED_OTAG;
2321 softc->flags |= DA_FLAG_WAS_OTAG;
2322 tag_code = MSG_ORDERED_Q_TAG;
2323 } else {
2324 tag_code = MSG_SIMPLE_Q_TAG;
2325 }
2326
2327 switch (bp->bio_cmd) {
2328 case BIO_WRITE:
2329 softc->flags |= DA_FLAG_DIRTY;
2330 /* FALLTHROUGH */
2331 case BIO_READ:
2332 scsi_read_write(&start_ccb->csio,
2333 /*retries*/da_retry_count,
2334 /*cbfcnp*/dadone,
2335 /*tag_action*/tag_code,
2336 /*read_op*/(bp->bio_cmd == BIO_READ ?
2337 SCSI_RW_READ : SCSI_RW_WRITE) |
2338 ((bp->bio_flags & BIO_UNMAPPED) != 0 ?
2339 SCSI_RW_BIO : 0),
2340 /*byte2*/0,
2341 softc->minimum_cmd_size,
2342 /*lba*/bp->bio_pblkno,
2343 /*block_count*/bp->bio_bcount /
2344 softc->params.secsize,
2345 /*data_ptr*/ (bp->bio_flags &
2346 BIO_UNMAPPED) != 0 ? (void *)bp :
2347 bp->bio_data,
2348 /*dxfer_len*/ bp->bio_bcount,
2349 /*sense_len*/SSD_FULL_SIZE,
2350 da_default_timeout * 1000);
2351 break;
2352 case BIO_FLUSH:
2353 /*
2354 * BIO_FLUSH doesn't currently communicate
2355 * range data, so we synchronize the cache
2356 * over the whole disk. We also force
2357 * ordered tag semantics the flush applies
2358 * to all previously queued I/O.
2359 */
2360 scsi_synchronize_cache(&start_ccb->csio,
2361 /*retries*/1,
2362 /*cbfcnp*/dadone,
2363 MSG_ORDERED_Q_TAG,
2364 /*begin_lba*/0,
2365 /*lb_count*/0,
2366 SSD_FULL_SIZE,
2367 da_default_timeout*1000);
2368 break;
2369 }
2370 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
2371
2372 out:
2373 LIST_INSERT_HEAD(&softc->pending_ccbs,
2374 &start_ccb->ccb_h, periph_links.le);
2375
2376 /* We expect a unit attention from this device */
2377 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
2378 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
2379 softc->flags &= ~DA_FLAG_RETRY_UA;
2380 }
2381
2382 start_ccb->ccb_h.ccb_bp = bp;
2383 xpt_action(start_ccb);
2384
2385 /* May have more work to do, so ensure we stay scheduled */
2386 daschedule(periph);
2387 break;
2388 }
2389 case DA_STATE_PROBE_RC:
2390 {
2391 struct scsi_read_capacity_data *rcap;
2392
2393 rcap = (struct scsi_read_capacity_data *)
2394 malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO);
2395 if (rcap == NULL) {
2396 printf("dastart: Couldn't malloc read_capacity data\n");
2397 /* da_free_periph??? */
2398 break;
2399 }
2400 scsi_read_capacity(&start_ccb->csio,
2401 /*retries*/da_retry_count,
2402 dadone,
2403 MSG_SIMPLE_Q_TAG,
2404 rcap,
2405 SSD_FULL_SIZE,
2406 /*timeout*/5000);
2407 start_ccb->ccb_h.ccb_bp = NULL;
2408 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC;
2409 xpt_action(start_ccb);
2410 break;
2411 }
2412 case DA_STATE_PROBE_RC16:
2413 {
2414 struct scsi_read_capacity_data_long *rcaplong;
2415
2416 rcaplong = (struct scsi_read_capacity_data_long *)
2417 malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO);
2418 if (rcaplong == NULL) {
2419 printf("dastart: Couldn't malloc read_capacity data\n");
2420 /* da_free_periph??? */
2421 break;
2422 }
2423 scsi_read_capacity_16(&start_ccb->csio,
2424 /*retries*/ da_retry_count,
2425 /*cbfcnp*/ dadone,
2426 /*tag_action*/ MSG_SIMPLE_Q_TAG,
2427 /*lba*/ 0,
2428 /*reladr*/ 0,
2429 /*pmi*/ 0,
2430 rcaplong,
2431 /*sense_len*/ SSD_FULL_SIZE,
2432 /*timeout*/ da_default_timeout * 1000);
2433 start_ccb->ccb_h.ccb_bp = NULL;
2434 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16;
2435 xpt_action(start_ccb);
2436 break;
2437 }
2438 case DA_STATE_PROBE_LBP:
2439 {
2440 struct scsi_vpd_logical_block_prov *lbp;
2441
2442 if (!scsi_vpd_supported_page(periph, SVPD_LBP)) {
2443 /*
2444 * If we get here we don't support any SBC-3 delete
2445 * methods with UNMAP as the Logical Block Provisioning
2446 * VPD page support is required for devices which
2447 * support it according to T10/1799-D Revision 31
2448 * however older revisions of the spec don't mandate
2449 * this so we currently don't remove these methods
2450 * from the available set.
2451 */
2452 softc->state = DA_STATE_PROBE_BLK_LIMITS;
2453 goto skipstate;
2454 }
2455
2456 lbp = (struct scsi_vpd_logical_block_prov *)
2457 malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO);
2458
2459 if (lbp == NULL) {
2460 printf("dastart: Couldn't malloc lbp data\n");
2461 /* da_free_periph??? */
2462 break;
2463 }
2464
2465 scsi_inquiry(&start_ccb->csio,
2466 /*retries*/da_retry_count,
2467 /*cbfcnp*/dadone,
2468 /*tag_action*/MSG_SIMPLE_Q_TAG,
2469 /*inq_buf*/(u_int8_t *)lbp,
2470 /*inq_len*/sizeof(*lbp),
2471 /*evpd*/TRUE,
2472 /*page_code*/SVPD_LBP,
2473 /*sense_len*/SSD_MIN_SIZE,
2474 /*timeout*/da_default_timeout * 1000);
2475 start_ccb->ccb_h.ccb_bp = NULL;
2476 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP;
2477 xpt_action(start_ccb);
2478 break;
2479 }
2480 case DA_STATE_PROBE_BLK_LIMITS:
2481 {
2482 struct scsi_vpd_block_limits *block_limits;
2483
2484 if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) {
2485 /* Not supported skip to next probe */
2486 softc->state = DA_STATE_PROBE_BDC;
2487 goto skipstate;
2488 }
2489
2490 block_limits = (struct scsi_vpd_block_limits *)
2491 malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO);
2492
2493 if (block_limits == NULL) {
2494 printf("dastart: Couldn't malloc block_limits data\n");
2495 /* da_free_periph??? */
2496 break;
2497 }
2498
2499 scsi_inquiry(&start_ccb->csio,
2500 /*retries*/da_retry_count,
2501 /*cbfcnp*/dadone,
2502 /*tag_action*/MSG_SIMPLE_Q_TAG,
2503 /*inq_buf*/(u_int8_t *)block_limits,
2504 /*inq_len*/sizeof(*block_limits),
2505 /*evpd*/TRUE,
2506 /*page_code*/SVPD_BLOCK_LIMITS,
2507 /*sense_len*/SSD_MIN_SIZE,
2508 /*timeout*/da_default_timeout * 1000);
2509 start_ccb->ccb_h.ccb_bp = NULL;
2510 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS;
2511 xpt_action(start_ccb);
2512 break;
2513 }
2514 case DA_STATE_PROBE_BDC:
2515 {
2516 struct scsi_vpd_block_characteristics *bdc;
2517
2518 if (!scsi_vpd_supported_page(periph, SVPD_BDC)) {
2519 softc->state = DA_STATE_PROBE_ATA;
2520 goto skipstate;
2521 }
2522
2523 bdc = (struct scsi_vpd_block_characteristics *)
2524 malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
2525
2526 if (bdc == NULL) {
2527 printf("dastart: Couldn't malloc bdc data\n");
2528 /* da_free_periph??? */
2529 break;
2530 }
2531
2532 scsi_inquiry(&start_ccb->csio,
2533 /*retries*/da_retry_count,
2534 /*cbfcnp*/dadone,
2535 /*tag_action*/MSG_SIMPLE_Q_TAG,
2536 /*inq_buf*/(u_int8_t *)bdc,
2537 /*inq_len*/sizeof(*bdc),
2538 /*evpd*/TRUE,
2539 /*page_code*/SVPD_BDC,
2540 /*sense_len*/SSD_MIN_SIZE,
2541 /*timeout*/da_default_timeout * 1000);
2542 start_ccb->ccb_h.ccb_bp = NULL;
2543 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC;
2544 xpt_action(start_ccb);
2545 break;
2546 }
2547 case DA_STATE_PROBE_ATA:
2548 {
2549 struct ata_params *ata_params;
2550
2551 if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
2552 daprobedone(periph, start_ccb);
2553 break;
2554 }
2555
2556 ata_params = (struct ata_params*)
2557 malloc(sizeof(*ata_params), M_SCSIDA, M_NOWAIT|M_ZERO);
2558
2559 if (ata_params == NULL) {
2560 printf("dastart: Couldn't malloc ata_params data\n");
2561 /* da_free_periph??? */
2562 break;
2563 }
2564
2565 scsi_ata_identify(&start_ccb->csio,
2566 /*retries*/da_retry_count,
2567 /*cbfcnp*/dadone,
2568 /*tag_action*/MSG_SIMPLE_Q_TAG,
2569 /*data_ptr*/(u_int8_t *)ata_params,
2570 /*dxfer_len*/sizeof(*ata_params),
2571 /*sense_len*/SSD_FULL_SIZE,
2572 /*timeout*/da_default_timeout * 1000);
2573 start_ccb->ccb_h.ccb_bp = NULL;
2574 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA;
2575 xpt_action(start_ccb);
2576 break;
2577 }
2578 }
2579 }
2580
2581 /*
2582 * In each of the methods below, while its the caller's
2583 * responsibility to ensure the request will fit into a
2584 * single device request, we might have changed the delete
2585 * method due to the device incorrectly advertising either
2586 * its supported methods or limits.
2587 *
2588 * To prevent this causing further issues we validate the
2589 * against the methods limits, and warn which would
2590 * otherwise be unnecessary.
2591 */
2592 static void
da_delete_unmap(struct cam_periph * periph,union ccb * ccb,struct bio * bp)2593 da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2594 {
2595 struct da_softc *softc = (struct da_softc *)periph->softc;;
2596 struct bio *bp1;
2597 uint8_t *buf = softc->unmap_buf;
2598 uint64_t lba, lastlba = (uint64_t)-1;
2599 uint64_t totalcount = 0;
2600 uint64_t count;
2601 uint32_t lastcount = 0, c;
2602 uint32_t off, ranges = 0;
2603
2604 /*
2605 * Currently this doesn't take the UNMAP
2606 * Granularity and Granularity Alignment
2607 * fields into account.
2608 *
2609 * This could result in both unoptimal unmap
2610 * requests as as well as UNMAP calls unmapping
2611 * fewer LBA's than requested.
2612 */
2613
2614 softc->delete_running = 1;
2615 bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
2616 bp1 = bp;
2617 do {
2618 bioq_remove(&softc->delete_queue, bp1);
2619 if (bp1 != bp)
2620 bioq_insert_tail(&softc->delete_run_queue, bp1);
2621 lba = bp1->bio_pblkno;
2622 count = bp1->bio_bcount / softc->params.secsize;
2623
2624 /* Try to extend the previous range. */
2625 if (lba == lastlba) {
2626 c = omin(count, UNMAP_RANGE_MAX - lastcount);
2627 lastcount += c;
2628 off = ((ranges - 1) * UNMAP_RANGE_SIZE) +
2629 UNMAP_HEAD_SIZE;
2630 scsi_ulto4b(lastcount, &buf[off + 8]);
2631 count -= c;
2632 lba +=c;
2633 totalcount += c;
2634 }
2635
2636 while (count > 0) {
2637 c = omin(count, UNMAP_RANGE_MAX);
2638 if (totalcount + c > softc->unmap_max_lba ||
2639 ranges >= softc->unmap_max_ranges) {
2640 xpt_print(periph->path,
2641 "%s issuing short delete %ld > %ld"
2642 "|| %d >= %d",
2643 da_delete_method_desc[softc->delete_method],
2644 totalcount + c, softc->unmap_max_lba,
2645 ranges, softc->unmap_max_ranges);
2646 break;
2647 }
2648 off = (ranges * UNMAP_RANGE_SIZE) + UNMAP_HEAD_SIZE;
2649 scsi_u64to8b(lba, &buf[off + 0]);
2650 scsi_ulto4b(c, &buf[off + 8]);
2651 lba += c;
2652 totalcount += c;
2653 ranges++;
2654 count -= c;
2655 lastcount = c;
2656 }
2657 lastlba = lba;
2658 bp1 = bioq_first(&softc->delete_queue);
2659 if (bp1 == NULL || ranges >= softc->unmap_max_ranges ||
2660 totalcount + bp1->bio_bcount /
2661 softc->params.secsize > softc->unmap_max_lba)
2662 break;
2663 } while (1);
2664 scsi_ulto2b(ranges * 16 + 6, &buf[0]);
2665 scsi_ulto2b(ranges * 16, &buf[2]);
2666
2667 scsi_unmap(&ccb->csio,
2668 /*retries*/da_retry_count,
2669 /*cbfcnp*/dadone,
2670 /*tag_action*/MSG_SIMPLE_Q_TAG,
2671 /*byte2*/0,
2672 /*data_ptr*/ buf,
2673 /*dxfer_len*/ ranges * 16 + 8,
2674 /*sense_len*/SSD_FULL_SIZE,
2675 da_default_timeout * 1000);
2676 ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2677 }
2678
2679 static void
da_delete_trim(struct cam_periph * periph,union ccb * ccb,struct bio * bp)2680 da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2681 {
2682 struct da_softc *softc = (struct da_softc *)periph->softc;
2683 struct bio *bp1;
2684 uint8_t *buf = softc->unmap_buf;
2685 uint64_t lastlba = (uint64_t)-1;
2686 uint64_t count;
2687 uint64_t lba;
2688 uint32_t lastcount = 0, c, requestcount;
2689 int ranges = 0, off, block_count;
2690
2691 softc->delete_running = 1;
2692 bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
2693 bp1 = bp;
2694 do {
2695 bioq_remove(&softc->delete_queue, bp1);
2696 if (bp1 != bp)
2697 bioq_insert_tail(&softc->delete_run_queue, bp1);
2698 lba = bp1->bio_pblkno;
2699 count = bp1->bio_bcount / softc->params.secsize;
2700 requestcount = count;
2701
2702 /* Try to extend the previous range. */
2703 if (lba == lastlba) {
2704 c = omin(count, ATA_DSM_RANGE_MAX - lastcount);
2705 lastcount += c;
2706 off = (ranges - 1) * 8;
2707 buf[off + 6] = lastcount & 0xff;
2708 buf[off + 7] = (lastcount >> 8) & 0xff;
2709 count -= c;
2710 lba += c;
2711 }
2712
2713 while (count > 0) {
2714 c = omin(count, ATA_DSM_RANGE_MAX);
2715 off = ranges * 8;
2716
2717 buf[off + 0] = lba & 0xff;
2718 buf[off + 1] = (lba >> 8) & 0xff;
2719 buf[off + 2] = (lba >> 16) & 0xff;
2720 buf[off + 3] = (lba >> 24) & 0xff;
2721 buf[off + 4] = (lba >> 32) & 0xff;
2722 buf[off + 5] = (lba >> 40) & 0xff;
2723 buf[off + 6] = c & 0xff;
2724 buf[off + 7] = (c >> 8) & 0xff;
2725 lba += c;
2726 ranges++;
2727 count -= c;
2728 lastcount = c;
2729 if (count != 0 && ranges == softc->trim_max_ranges) {
2730 xpt_print(periph->path,
2731 "%s issuing short delete %ld > %ld\n",
2732 da_delete_method_desc[softc->delete_method],
2733 requestcount,
2734 (softc->trim_max_ranges - ranges) *
2735 ATA_DSM_RANGE_MAX);
2736 break;
2737 }
2738 }
2739 lastlba = lba;
2740 bp1 = bioq_first(&softc->delete_queue);
2741 if (bp1 == NULL || bp1->bio_bcount / softc->params.secsize >
2742 (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX)
2743 break;
2744 } while (1);
2745
2746 block_count = (ranges + ATA_DSM_BLK_RANGES - 1) / ATA_DSM_BLK_RANGES;
2747 scsi_ata_trim(&ccb->csio,
2748 /*retries*/da_retry_count,
2749 /*cbfcnp*/dadone,
2750 /*tag_action*/MSG_SIMPLE_Q_TAG,
2751 block_count,
2752 /*data_ptr*/buf,
2753 /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE,
2754 /*sense_len*/SSD_FULL_SIZE,
2755 da_default_timeout * 1000);
2756 ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2757 }
2758
2759 /*
2760 * We calculate ws_max_blks here based off d_delmaxsize instead
2761 * of using softc->ws_max_blks as it is absolute max for the
2762 * device not the protocol max which may well be lower.
2763 */
2764 static void
da_delete_ws(struct cam_periph * periph,union ccb * ccb,struct bio * bp)2765 da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2766 {
2767 struct da_softc *softc;
2768 struct bio *bp1;
2769 uint64_t ws_max_blks;
2770 uint64_t lba;
2771 uint64_t count; /* forward compat with WS32 */
2772
2773 softc = (struct da_softc *)periph->softc;
2774 ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize;
2775 softc->delete_running = 1;
2776 lba = bp->bio_pblkno;
2777 count = 0;
2778 bp1 = bp;
2779 do {
2780 bioq_remove(&softc->delete_queue, bp1);
2781 if (bp1 != bp)
2782 bioq_insert_tail(&softc->delete_run_queue, bp1);
2783 count += bp1->bio_bcount / softc->params.secsize;
2784 if (count > ws_max_blks) {
2785 xpt_print(periph->path,
2786 "%s issuing short delete %ld > %ld\n",
2787 da_delete_method_desc[softc->delete_method],
2788 count, ws_max_blks);
2789 count = omin(count, ws_max_blks);
2790 break;
2791 }
2792 bp1 = bioq_first(&softc->delete_queue);
2793 if (bp1 == NULL || lba + count != bp1->bio_pblkno ||
2794 count + bp1->bio_bcount /
2795 softc->params.secsize > ws_max_blks)
2796 break;
2797 } while (1);
2798
2799 scsi_write_same(&ccb->csio,
2800 /*retries*/da_retry_count,
2801 /*cbfcnp*/dadone,
2802 /*tag_action*/MSG_SIMPLE_Q_TAG,
2803 /*byte2*/softc->delete_method ==
2804 DA_DELETE_ZERO ? 0 : SWS_UNMAP,
2805 softc->delete_method == DA_DELETE_WS16 ? 16 : 10,
2806 /*lba*/lba,
2807 /*block_count*/count,
2808 /*data_ptr*/ __DECONST(void *, zero_region),
2809 /*dxfer_len*/ softc->params.secsize,
2810 /*sense_len*/SSD_FULL_SIZE,
2811 da_default_timeout * 1000);
2812 ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2813 }
2814
2815 static int
cmd6workaround(union ccb * ccb)2816 cmd6workaround(union ccb *ccb)
2817 {
2818 struct scsi_rw_6 cmd6;
2819 struct scsi_rw_10 *cmd10;
2820 struct da_softc *softc;
2821 u_int8_t *cdb;
2822 struct bio *bp;
2823 int frozen;
2824
2825 cdb = ccb->csio.cdb_io.cdb_bytes;
2826 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
2827
2828 if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) {
2829 da_delete_methods old_method = softc->delete_method;
2830
2831 /*
2832 * Typically there are two reasons for failure here
2833 * 1. Delete method was detected as supported but isn't
2834 * 2. Delete failed due to invalid params e.g. too big
2835 *
2836 * While we will attempt to choose an alternative delete method
2837 * this may result in short deletes if the existing delete
2838 * requests from geom are big for the new method choosen.
2839 *
2840 * This method assumes that the error which triggered this
2841 * will not retry the io otherwise a panic will occur
2842 */
2843 dadeleteflag(softc, old_method, 0);
2844 dadeletemethodchoose(softc, DA_DELETE_DISABLE);
2845 if (softc->delete_method == DA_DELETE_DISABLE)
2846 xpt_print(ccb->ccb_h.path,
2847 "%s failed, disabling BIO_DELETE\n",
2848 da_delete_method_desc[old_method]);
2849 else
2850 xpt_print(ccb->ccb_h.path,
2851 "%s failed, switching to %s BIO_DELETE\n",
2852 da_delete_method_desc[old_method],
2853 da_delete_method_desc[softc->delete_method]);
2854
2855 if (DA_SIO) {
2856 while ((bp = bioq_takefirst(&softc->delete_run_queue))
2857 != NULL)
2858 bioq_disksort(&softc->delete_queue, bp);
2859 } else {
2860 while ((bp = bioq_takefirst(&softc->delete_run_queue))
2861 != NULL)
2862 bioq_insert_tail(&softc->delete_queue, bp);
2863 }
2864 bioq_insert_tail(&softc->delete_queue,
2865 (struct bio *)ccb->ccb_h.ccb_bp);
2866 ccb->ccb_h.ccb_bp = NULL;
2867 return (0);
2868 }
2869
2870 /* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */
2871 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
2872 (*cdb == PREVENT_ALLOW) &&
2873 (softc->quirks & DA_Q_NO_PREVENT) == 0) {
2874 if (bootverbose)
2875 xpt_print(ccb->ccb_h.path,
2876 "PREVENT ALLOW MEDIUM REMOVAL not supported.\n");
2877 softc->quirks |= DA_Q_NO_PREVENT;
2878 return (0);
2879 }
2880
2881 /* Detect unsupported SYNCHRONIZE CACHE(10). */
2882 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
2883 (*cdb == SYNCHRONIZE_CACHE) &&
2884 (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
2885 if (bootverbose)
2886 xpt_print(ccb->ccb_h.path,
2887 "SYNCHRONIZE CACHE(10) not supported.\n");
2888 softc->quirks |= DA_Q_NO_SYNC_CACHE;
2889 softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE;
2890 return (0);
2891 }
2892
2893 /* Translation only possible if CDB is an array and cmd is R/W6 */
2894 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
2895 (*cdb != READ_6 && *cdb != WRITE_6))
2896 return 0;
2897
2898 xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, "
2899 "increasing minimum_cmd_size to 10.\n");
2900 softc->minimum_cmd_size = 10;
2901
2902 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
2903 cmd10 = (struct scsi_rw_10 *)cdb;
2904 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
2905 cmd10->byte2 = 0;
2906 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
2907 cmd10->reserved = 0;
2908 scsi_ulto2b(cmd6.length, cmd10->length);
2909 cmd10->control = cmd6.control;
2910 ccb->csio.cdb_len = sizeof(*cmd10);
2911
2912 /* Requeue request, unfreezing queue if necessary */
2913 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
2914 ccb->ccb_h.status = CAM_REQUEUE_REQ;
2915 xpt_action(ccb);
2916 if (frozen) {
2917 cam_release_devq(ccb->ccb_h.path,
2918 /*relsim_flags*/0,
2919 /*reduction*/0,
2920 /*timeout*/0,
2921 /*getcount_only*/0);
2922 }
2923 return (ERESTART);
2924 }
2925
2926 static void
dadone(struct cam_periph * periph,union ccb * done_ccb)2927 dadone(struct cam_periph *periph, union ccb *done_ccb)
2928 {
2929 struct da_softc *softc;
2930 struct ccb_scsiio *csio;
2931 u_int32_t priority;
2932 da_ccb_state state;
2933
2934 softc = (struct da_softc *)periph->softc;
2935 priority = done_ccb->ccb_h.pinfo.priority;
2936
2937 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n"));
2938
2939 csio = &done_ccb->csio;
2940 state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
2941 switch (state) {
2942 case DA_CCB_BUFFER_IO:
2943 case DA_CCB_DELETE:
2944 {
2945 struct bio *bp, *bp1;
2946
2947 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2948 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2949 int error;
2950 int sf;
2951
2952 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
2953 sf = SF_RETRY_UA;
2954 else
2955 sf = 0;
2956
2957 error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
2958 if (error == ERESTART) {
2959 /*
2960 * A retry was scheduled, so
2961 * just return.
2962 */
2963 return;
2964 }
2965 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2966 if (error != 0) {
2967 int queued_error;
2968
2969 /*
2970 * return all queued I/O with EIO, so that
2971 * the client can retry these I/Os in the
2972 * proper order should it attempt to recover.
2973 */
2974 queued_error = EIO;
2975
2976 if (error == ENXIO
2977 && (softc->flags & DA_FLAG_PACK_INVALID)== 0) {
2978 /*
2979 * Catastrophic error. Mark our pack as
2980 * invalid.
2981 */
2982 /*
2983 * XXX See if this is really a media
2984 * XXX change first?
2985 */
2986 xpt_print(periph->path,
2987 "Invalidating pack\n");
2988 softc->flags |= DA_FLAG_PACK_INVALID;
2989 queued_error = ENXIO;
2990 }
2991 bioq_flush(&softc->bio_queue, NULL,
2992 queued_error);
2993 if (bp != NULL) {
2994 bp->bio_error = error;
2995 bp->bio_resid = bp->bio_bcount;
2996 bp->bio_flags |= BIO_ERROR;
2997 }
2998 } else if (bp != NULL) {
2999 if (state == DA_CCB_DELETE)
3000 bp->bio_resid = 0;
3001 else
3002 bp->bio_resid = csio->resid;
3003 bp->bio_error = 0;
3004 if (bp->bio_resid != 0)
3005 bp->bio_flags |= BIO_ERROR;
3006 }
3007 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3008 cam_release_devq(done_ccb->ccb_h.path,
3009 /*relsim_flags*/0,
3010 /*reduction*/0,
3011 /*timeout*/0,
3012 /*getcount_only*/0);
3013 } else if (bp != NULL) {
3014 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3015 panic("REQ_CMP with QFRZN");
3016 if (state == DA_CCB_DELETE)
3017 bp->bio_resid = 0;
3018 else
3019 bp->bio_resid = csio->resid;
3020 if (csio->resid > 0)
3021 bp->bio_flags |= BIO_ERROR;
3022 if (softc->error_inject != 0) {
3023 bp->bio_error = softc->error_inject;
3024 bp->bio_resid = bp->bio_bcount;
3025 bp->bio_flags |= BIO_ERROR;
3026 softc->error_inject = 0;
3027 }
3028 }
3029
3030 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
3031 if (LIST_EMPTY(&softc->pending_ccbs))
3032 softc->flags |= DA_FLAG_WAS_OTAG;
3033
3034 if (state == DA_CCB_DELETE) {
3035 while ((bp1 = bioq_takefirst(&softc->delete_run_queue))
3036 != NULL) {
3037 bp1->bio_error = bp->bio_error;
3038 if (bp->bio_flags & BIO_ERROR) {
3039 bp1->bio_flags |= BIO_ERROR;
3040 bp1->bio_resid = bp1->bio_bcount;
3041 } else
3042 bp1->bio_resid = 0;
3043 biodone(bp1);
3044 }
3045 softc->delete_running = 0;
3046 if (bp != NULL)
3047 biodone(bp);
3048 daschedule(periph);
3049 } else if (bp != NULL)
3050 biodone(bp);
3051 break;
3052 }
3053 case DA_CCB_PROBE_RC:
3054 case DA_CCB_PROBE_RC16:
3055 {
3056 struct scsi_read_capacity_data *rdcap;
3057 struct scsi_read_capacity_data_long *rcaplong;
3058 char announce_buf[80];
3059 int lbp;
3060
3061 lbp = 0;
3062 rdcap = NULL;
3063 rcaplong = NULL;
3064 if (state == DA_CCB_PROBE_RC)
3065 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
3066 else
3067 rcaplong = (struct scsi_read_capacity_data_long *)
3068 csio->data_ptr;
3069
3070 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3071 struct disk_params *dp;
3072 uint32_t block_size;
3073 uint64_t maxsector;
3074 u_int lbppbe; /* LB per physical block exponent. */
3075 u_int lalba; /* Lowest aligned LBA. */
3076
3077 if (state == DA_CCB_PROBE_RC) {
3078 block_size = scsi_4btoul(rdcap->length);
3079 maxsector = scsi_4btoul(rdcap->addr);
3080 lbppbe = 0;
3081 lalba = 0;
3082
3083 /*
3084 * According to SBC-2, if the standard 10
3085 * byte READ CAPACITY command returns 2^32,
3086 * we should issue the 16 byte version of
3087 * the command, since the device in question
3088 * has more sectors than can be represented
3089 * with the short version of the command.
3090 */
3091 if (maxsector == 0xffffffff) {
3092 free(rdcap, M_SCSIDA);
3093 xpt_release_ccb(done_ccb);
3094 softc->state = DA_STATE_PROBE_RC16;
3095 xpt_schedule(periph, priority);
3096 return;
3097 }
3098 } else {
3099 block_size = scsi_4btoul(rcaplong->length);
3100 maxsector = scsi_8btou64(rcaplong->addr);
3101 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
3102 lalba = scsi_2btoul(rcaplong->lalba_lbp);
3103 }
3104
3105 /*
3106 * Because GEOM code just will panic us if we
3107 * give them an 'illegal' value we'll avoid that
3108 * here.
3109 */
3110 if (block_size == 0) {
3111 block_size = 512;
3112 if (maxsector == 0)
3113 maxsector = -1;
3114 }
3115 if (block_size >= MAXPHYS) {
3116 xpt_print(periph->path,
3117 "unsupportable block size %ju\n",
3118 (uintmax_t) block_size);
3119 announce_buf[0] = '\0';
3120 cam_periph_invalidate(periph);
3121 } else {
3122 /*
3123 * We pass rcaplong into dasetgeom(),
3124 * because it will only use it if it is
3125 * non-NULL.
3126 */
3127 dasetgeom(periph, block_size, maxsector,
3128 rcaplong, sizeof(*rcaplong));
3129 lbp = (lalba & SRC16_LBPME_A);
3130 dp = &softc->params;
3131 snprintf(announce_buf, sizeof(announce_buf),
3132 "%juMB (%ju %u byte sectors: %dH %dS/T "
3133 "%dC)", (uintmax_t)
3134 (((uintmax_t)dp->secsize *
3135 dp->sectors) / (1024*1024)),
3136 (uintmax_t)dp->sectors,
3137 dp->secsize, dp->heads,
3138 dp->secs_per_track, dp->cylinders);
3139 }
3140 } else {
3141 int error;
3142
3143 announce_buf[0] = '\0';
3144
3145 /*
3146 * Retry any UNIT ATTENTION type errors. They
3147 * are expected at boot.
3148 */
3149 error = daerror(done_ccb, CAM_RETRY_SELTO,
3150 SF_RETRY_UA|SF_NO_PRINT);
3151 if (error == ERESTART) {
3152 /*
3153 * A retry was scheuled, so
3154 * just return.
3155 */
3156 return;
3157 } else if (error != 0) {
3158 int asc, ascq;
3159 int sense_key, error_code;
3160 int have_sense;
3161 cam_status status;
3162 struct ccb_getdev cgd;
3163
3164 /* Don't wedge this device's queue */
3165 status = done_ccb->ccb_h.status;
3166 if ((status & CAM_DEV_QFRZN) != 0)
3167 cam_release_devq(done_ccb->ccb_h.path,
3168 /*relsim_flags*/0,
3169 /*reduction*/0,
3170 /*timeout*/0,
3171 /*getcount_only*/0);
3172
3173
3174 xpt_setup_ccb(&cgd.ccb_h,
3175 done_ccb->ccb_h.path,
3176 CAM_PRIORITY_NORMAL);
3177 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
3178 xpt_action((union ccb *)&cgd);
3179
3180 if (scsi_extract_sense_ccb(done_ccb,
3181 &error_code, &sense_key, &asc, &ascq))
3182 have_sense = TRUE;
3183 else
3184 have_sense = FALSE;
3185
3186 /*
3187 * If we tried READ CAPACITY(16) and failed,
3188 * fallback to READ CAPACITY(10).
3189 */
3190 if ((state == DA_CCB_PROBE_RC16) &&
3191 (softc->flags & DA_FLAG_CAN_RC16) &&
3192 (((csio->ccb_h.status & CAM_STATUS_MASK) ==
3193 CAM_REQ_INVALID) ||
3194 ((have_sense) &&
3195 (error_code == SSD_CURRENT_ERROR) &&
3196 (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
3197 softc->flags &= ~DA_FLAG_CAN_RC16;
3198 free(rdcap, M_SCSIDA);
3199 xpt_release_ccb(done_ccb);
3200 softc->state = DA_STATE_PROBE_RC;
3201 xpt_schedule(periph, priority);
3202 return;
3203 } else
3204 /*
3205 * Attach to anything that claims to be a
3206 * direct access or optical disk device,
3207 * as long as it doesn't return a "Logical
3208 * unit not supported" (0x25) error.
3209 */
3210 if ((have_sense) && (asc != 0x25)
3211 && (error_code == SSD_CURRENT_ERROR)) {
3212 const char *sense_key_desc;
3213 const char *asc_desc;
3214
3215 dasetgeom(periph, 512, -1, NULL, 0);
3216 scsi_sense_desc(sense_key, asc, ascq,
3217 &cgd.inq_data,
3218 &sense_key_desc,
3219 &asc_desc);
3220 snprintf(announce_buf,
3221 sizeof(announce_buf),
3222 "Attempt to query device "
3223 "size failed: %s, %s",
3224 sense_key_desc,
3225 asc_desc);
3226 } else {
3227 if (have_sense)
3228 scsi_sense_print(
3229 &done_ccb->csio);
3230 else {
3231 xpt_print(periph->path,
3232 "got CAM status %#x\n",
3233 done_ccb->ccb_h.status);
3234 }
3235
3236 xpt_print(periph->path, "fatal error, "
3237 "failed to attach to device\n");
3238
3239 /*
3240 * Free up resources.
3241 */
3242 cam_periph_invalidate(periph);
3243 }
3244 }
3245 }
3246 free(csio->data_ptr, M_SCSIDA);
3247 if (announce_buf[0] != '\0' &&
3248 ((softc->flags & DA_FLAG_ANNOUNCED) == 0)) {
3249 /*
3250 * Create our sysctl variables, now that we know
3251 * we have successfully attached.
3252 */
3253 /* increase the refcount */
3254 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
3255 taskqueue_enqueue(taskqueue_thread,
3256 &softc->sysctl_task);
3257 xpt_announce_periph(periph, announce_buf);
3258 xpt_announce_quirks(periph, softc->quirks,
3259 DA_Q_BIT_STRING);
3260 } else {
3261 xpt_print(periph->path, "fatal error, "
3262 "could not acquire reference count\n");
3263 }
3264 }
3265
3266 /* We already probed the device. */
3267 if (softc->flags & DA_FLAG_PROBED) {
3268 daprobedone(periph, done_ccb);
3269 return;
3270 }
3271
3272 /* Ensure re-probe doesn't see old delete. */
3273 softc->delete_available = 0;
3274 if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) {
3275 /*
3276 * Based on older SBC-3 spec revisions
3277 * any of the UNMAP methods "may" be
3278 * available via LBP given this flag so
3279 * we flag all of them as availble and
3280 * then remove those which further
3281 * probes confirm aren't available
3282 * later.
3283 *
3284 * We could also check readcap(16) p_type
3285 * flag to exclude one or more invalid
3286 * write same (X) types here
3287 */
3288 dadeleteflag(softc, DA_DELETE_WS16, 1);
3289 dadeleteflag(softc, DA_DELETE_WS10, 1);
3290 dadeleteflag(softc, DA_DELETE_ZERO, 1);
3291 dadeleteflag(softc, DA_DELETE_UNMAP, 1);
3292
3293 xpt_release_ccb(done_ccb);
3294 softc->state = DA_STATE_PROBE_LBP;
3295 xpt_schedule(periph, priority);
3296 return;
3297 }
3298
3299 xpt_release_ccb(done_ccb);
3300 softc->state = DA_STATE_PROBE_BDC;
3301 xpt_schedule(periph, priority);
3302 return;
3303 }
3304 case DA_CCB_PROBE_LBP:
3305 {
3306 struct scsi_vpd_logical_block_prov *lbp;
3307
3308 lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr;
3309
3310 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3311 /*
3312 * T10/1799-D Revision 31 states at least one of these
3313 * must be supported but we don't currently enforce this.
3314 */
3315 dadeleteflag(softc, DA_DELETE_WS16,
3316 (lbp->flags & SVPD_LBP_WS16));
3317 dadeleteflag(softc, DA_DELETE_WS10,
3318 (lbp->flags & SVPD_LBP_WS10));
3319 dadeleteflag(softc, DA_DELETE_ZERO,
3320 (lbp->flags & SVPD_LBP_WS10));
3321 dadeleteflag(softc, DA_DELETE_UNMAP,
3322 (lbp->flags & SVPD_LBP_UNMAP));
3323 } else {
3324 int error;
3325 error = daerror(done_ccb, CAM_RETRY_SELTO,
3326 SF_RETRY_UA|SF_NO_PRINT);
3327 if (error == ERESTART)
3328 return;
3329 else if (error != 0) {
3330 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3331 /* Don't wedge this device's queue */
3332 cam_release_devq(done_ccb->ccb_h.path,
3333 /*relsim_flags*/0,
3334 /*reduction*/0,
3335 /*timeout*/0,
3336 /*getcount_only*/0);
3337 }
3338
3339 /*
3340 * Failure indicates we don't support any SBC-3
3341 * delete methods with UNMAP
3342 */
3343 }
3344 }
3345
3346 free(lbp, M_SCSIDA);
3347 xpt_release_ccb(done_ccb);
3348 softc->state = DA_STATE_PROBE_BLK_LIMITS;
3349 xpt_schedule(periph, priority);
3350 return;
3351 }
3352 case DA_CCB_PROBE_BLK_LIMITS:
3353 {
3354 struct scsi_vpd_block_limits *block_limits;
3355
3356 block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr;
3357
3358 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3359 uint32_t max_txfer_len = scsi_4btoul(
3360 block_limits->max_txfer_len);
3361 uint32_t max_unmap_lba_cnt = scsi_4btoul(
3362 block_limits->max_unmap_lba_cnt);
3363 uint32_t max_unmap_blk_cnt = scsi_4btoul(
3364 block_limits->max_unmap_blk_cnt);
3365 uint64_t ws_max_blks = scsi_8btou64(
3366 block_limits->max_write_same_length);
3367
3368 if (max_txfer_len != 0) {
3369 softc->disk->d_maxsize = MIN(softc->maxio,
3370 (off_t)max_txfer_len * softc->params.secsize);
3371 }
3372
3373 /*
3374 * We should already support UNMAP but we check lba
3375 * and block count to be sure
3376 */
3377 if (max_unmap_lba_cnt != 0x00L &&
3378 max_unmap_blk_cnt != 0x00L) {
3379 softc->unmap_max_lba = max_unmap_lba_cnt;
3380 softc->unmap_max_ranges = min(max_unmap_blk_cnt,
3381 UNMAP_MAX_RANGES);
3382 } else {
3383 /*
3384 * Unexpected UNMAP limits which means the
3385 * device doesn't actually support UNMAP
3386 */
3387 dadeleteflag(softc, DA_DELETE_UNMAP, 0);
3388 }
3389
3390 if (ws_max_blks != 0x00L)
3391 softc->ws_max_blks = ws_max_blks;
3392 } else {
3393 int error;
3394 error = daerror(done_ccb, CAM_RETRY_SELTO,
3395 SF_RETRY_UA|SF_NO_PRINT);
3396 if (error == ERESTART)
3397 return;
3398 else if (error != 0) {
3399 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3400 /* Don't wedge this device's queue */
3401 cam_release_devq(done_ccb->ccb_h.path,
3402 /*relsim_flags*/0,
3403 /*reduction*/0,
3404 /*timeout*/0,
3405 /*getcount_only*/0);
3406 }
3407
3408 /*
3409 * Failure here doesn't mean UNMAP is not
3410 * supported as this is an optional page.
3411 */
3412 softc->unmap_max_lba = 1;
3413 softc->unmap_max_ranges = 1;
3414 }
3415 }
3416
3417 free(block_limits, M_SCSIDA);
3418 xpt_release_ccb(done_ccb);
3419 softc->state = DA_STATE_PROBE_BDC;
3420 xpt_schedule(periph, priority);
3421 return;
3422 }
3423 case DA_CCB_PROBE_BDC:
3424 {
3425 struct scsi_vpd_block_characteristics *bdc;
3426
3427 bdc = (struct scsi_vpd_block_characteristics *)csio->data_ptr;
3428
3429 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3430 /*
3431 * Disable queue sorting for non-rotational media
3432 * by default.
3433 */
3434 if (scsi_2btoul(bdc->medium_rotation_rate) ==
3435 SVPD_BDC_RATE_NONE_ROTATING)
3436 softc->sort_io_queue = 0;
3437 } else {
3438 int error;
3439 error = daerror(done_ccb, CAM_RETRY_SELTO,
3440 SF_RETRY_UA|SF_NO_PRINT);
3441 if (error == ERESTART)
3442 return;
3443 else if (error != 0) {
3444 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3445 /* Don't wedge this device's queue */
3446 cam_release_devq(done_ccb->ccb_h.path,
3447 /*relsim_flags*/0,
3448 /*reduction*/0,
3449 /*timeout*/0,
3450 /*getcount_only*/0);
3451 }
3452 }
3453 }
3454
3455 free(bdc, M_SCSIDA);
3456 xpt_release_ccb(done_ccb);
3457 softc->state = DA_STATE_PROBE_ATA;
3458 xpt_schedule(periph, priority);
3459 return;
3460 }
3461 case DA_CCB_PROBE_ATA:
3462 {
3463 int i;
3464 struct ata_params *ata_params;
3465 int16_t *ptr;
3466
3467 ata_params = (struct ata_params *)csio->data_ptr;
3468 ptr = (uint16_t *)ata_params;
3469
3470 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3471 for (i = 0; i < sizeof(*ata_params) / 2; i++)
3472 ptr[i] = le16toh(ptr[i]);
3473 if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM &&
3474 (softc->quirks & DA_Q_NO_UNMAP) == 0) {
3475 dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1);
3476 if (ata_params->max_dsm_blocks != 0)
3477 softc->trim_max_ranges = min(
3478 softc->trim_max_ranges,
3479 ata_params->max_dsm_blocks *
3480 ATA_DSM_BLK_RANGES);
3481 }
3482 /*
3483 * Disable queue sorting for non-rotational media
3484 * by default.
3485 */
3486 if (ata_params->media_rotation_rate == 1)
3487 softc->sort_io_queue = 0;
3488 } else {
3489 int error;
3490 error = daerror(done_ccb, CAM_RETRY_SELTO,
3491 SF_RETRY_UA|SF_NO_PRINT);
3492 if (error == ERESTART)
3493 return;
3494 else if (error != 0) {
3495 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3496 /* Don't wedge this device's queue */
3497 cam_release_devq(done_ccb->ccb_h.path,
3498 /*relsim_flags*/0,
3499 /*reduction*/0,
3500 /*timeout*/0,
3501 /*getcount_only*/0);
3502 }
3503 }
3504 }
3505
3506 free(ata_params, M_SCSIDA);
3507 daprobedone(periph, done_ccb);
3508 return;
3509 }
3510 case DA_CCB_WAITING:
3511 {
3512 /* Caller will release the CCB */
3513 wakeup(&done_ccb->ccb_h.cbfcnp);
3514 return;
3515 }
3516 case DA_CCB_DUMP:
3517 /* No-op. We're polling */
3518 return;
3519 case DA_CCB_TUR:
3520 {
3521 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3522
3523 if (daerror(done_ccb, CAM_RETRY_SELTO,
3524 SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) ==
3525 ERESTART)
3526 return;
3527 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3528 cam_release_devq(done_ccb->ccb_h.path,
3529 /*relsim_flags*/0,
3530 /*reduction*/0,
3531 /*timeout*/0,
3532 /*getcount_only*/0);
3533 }
3534 xpt_release_ccb(done_ccb);
3535 cam_periph_release_locked(periph);
3536 return;
3537 }
3538 default:
3539 break;
3540 }
3541 xpt_release_ccb(done_ccb);
3542 }
3543
3544 static void
dareprobe(struct cam_periph * periph)3545 dareprobe(struct cam_periph *periph)
3546 {
3547 struct da_softc *softc;
3548 cam_status status;
3549
3550 softc = (struct da_softc *)periph->softc;
3551
3552 /* Probe in progress; don't interfere. */
3553 if (softc->state != DA_STATE_NORMAL)
3554 return;
3555
3556 status = cam_periph_acquire(periph);
3557 KASSERT(status == CAM_REQ_CMP,
3558 ("dareprobe: cam_periph_acquire failed"));
3559
3560 if (softc->flags & DA_FLAG_CAN_RC16)
3561 softc->state = DA_STATE_PROBE_RC16;
3562 else
3563 softc->state = DA_STATE_PROBE_RC;
3564
3565 xpt_schedule(periph, CAM_PRIORITY_DEV);
3566 }
3567
3568 static int
daerror(union ccb * ccb,u_int32_t cam_flags,u_int32_t sense_flags)3569 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
3570 {
3571 struct da_softc *softc;
3572 struct cam_periph *periph;
3573 int error, error_code, sense_key, asc, ascq;
3574
3575 periph = xpt_path_periph(ccb->ccb_h.path);
3576 softc = (struct da_softc *)periph->softc;
3577
3578 /*
3579 * Automatically detect devices that do not support
3580 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
3581 */
3582 error = 0;
3583 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
3584 error = cmd6workaround(ccb);
3585 } else if (scsi_extract_sense_ccb(ccb,
3586 &error_code, &sense_key, &asc, &ascq)) {
3587 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
3588 error = cmd6workaround(ccb);
3589 /*
3590 * If the target replied with CAPACITY DATA HAS CHANGED UA,
3591 * query the capacity and notify upper layers.
3592 */
3593 else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3594 asc == 0x2A && ascq == 0x09) {
3595 xpt_print(periph->path, "Capacity data has changed\n");
3596 softc->flags &= ~DA_FLAG_PROBED;
3597 dareprobe(periph);
3598 sense_flags |= SF_NO_PRINT;
3599 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3600 asc == 0x28 && ascq == 0x00) {
3601 softc->flags &= ~DA_FLAG_PROBED;
3602 disk_media_changed(softc->disk, M_NOWAIT);
3603 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3604 asc == 0x3F && ascq == 0x03) {
3605 xpt_print(periph->path, "INQUIRY data has changed\n");
3606 softc->flags &= ~DA_FLAG_PROBED;
3607 dareprobe(periph);
3608 sense_flags |= SF_NO_PRINT;
3609 } else if (sense_key == SSD_KEY_NOT_READY &&
3610 asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
3611 softc->flags |= DA_FLAG_PACK_INVALID;
3612 disk_media_gone(softc->disk, M_NOWAIT);
3613 }
3614 }
3615 if (error == ERESTART)
3616 return (ERESTART);
3617
3618 /*
3619 * XXX
3620 * Until we have a better way of doing pack validation,
3621 * don't treat UAs as errors.
3622 */
3623 sense_flags |= SF_RETRY_UA;
3624
3625 if (softc->quirks & DA_Q_RETRY_BUSY)
3626 sense_flags |= SF_RETRY_BUSY;
3627 return(cam_periph_error(ccb, cam_flags, sense_flags,
3628 &softc->saved_ccb));
3629 }
3630
3631 static void
damediapoll(void * arg)3632 damediapoll(void *arg)
3633 {
3634 struct cam_periph *periph = arg;
3635 struct da_softc *softc = periph->softc;
3636
3637 if (!softc->tur && LIST_EMPTY(&softc->pending_ccbs)) {
3638 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
3639 softc->tur = 1;
3640 daschedule(periph);
3641 }
3642 }
3643 /* Queue us up again */
3644 if (da_poll_period != 0)
3645 callout_schedule(&softc->mediapoll_c, da_poll_period * hz);
3646 }
3647
3648 static void
daprevent(struct cam_periph * periph,int action)3649 daprevent(struct cam_periph *periph, int action)
3650 {
3651 struct da_softc *softc;
3652 union ccb *ccb;
3653 int error;
3654
3655 softc = (struct da_softc *)periph->softc;
3656
3657 if (((action == PR_ALLOW)
3658 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
3659 || ((action == PR_PREVENT)
3660 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
3661 return;
3662 }
3663
3664 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3665
3666 scsi_prevent(&ccb->csio,
3667 /*retries*/1,
3668 /*cbcfp*/dadone,
3669 MSG_SIMPLE_Q_TAG,
3670 action,
3671 SSD_FULL_SIZE,
3672 5000);
3673
3674 error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
3675 SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat);
3676
3677 if (error == 0) {
3678 if (action == PR_ALLOW)
3679 softc->flags &= ~DA_FLAG_PACK_LOCKED;
3680 else
3681 softc->flags |= DA_FLAG_PACK_LOCKED;
3682 }
3683
3684 xpt_release_ccb(ccb);
3685 }
3686
3687 static void
dasetgeom(struct cam_periph * periph,uint32_t block_len,uint64_t maxsector,struct scsi_read_capacity_data_long * rcaplong,size_t rcap_len)3688 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
3689 struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
3690 {
3691 struct ccb_calc_geometry ccg;
3692 struct da_softc *softc;
3693 struct disk_params *dp;
3694 u_int lbppbe, lalba;
3695
3696 softc = (struct da_softc *)periph->softc;
3697
3698 dp = &softc->params;
3699 dp->secsize = block_len;
3700 dp->sectors = maxsector + 1;
3701 if (rcaplong != NULL) {
3702 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
3703 lalba = scsi_2btoul(rcaplong->lalba_lbp);
3704 lalba &= SRC16_LALBA_A;
3705 } else {
3706 lbppbe = 0;
3707 lalba = 0;
3708 }
3709
3710 if (lbppbe > 0) {
3711 dp->stripesize = block_len << lbppbe;
3712 dp->stripeoffset = (dp->stripesize - block_len * lalba) %
3713 dp->stripesize;
3714 } else if (softc->quirks & DA_Q_4K) {
3715 dp->stripesize = 4096;
3716 dp->stripeoffset = 0;
3717 } else {
3718 dp->stripesize = 0;
3719 dp->stripeoffset = 0;
3720 }
3721 /*
3722 * Have the controller provide us with a geometry
3723 * for this disk. The only time the geometry
3724 * matters is when we boot and the controller
3725 * is the only one knowledgeable enough to come
3726 * up with something that will make this a bootable
3727 * device.
3728 */
3729 xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3730 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
3731 ccg.block_size = dp->secsize;
3732 ccg.volume_size = dp->sectors;
3733 ccg.heads = 0;
3734 ccg.secs_per_track = 0;
3735 ccg.cylinders = 0;
3736 xpt_action((union ccb*)&ccg);
3737 if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3738 /*
3739 * We don't know what went wrong here- but just pick
3740 * a geometry so we don't have nasty things like divide
3741 * by zero.
3742 */
3743 dp->heads = 255;
3744 dp->secs_per_track = 255;
3745 dp->cylinders = dp->sectors / (255 * 255);
3746 if (dp->cylinders == 0) {
3747 dp->cylinders = 1;
3748 }
3749 } else {
3750 dp->heads = ccg.heads;
3751 dp->secs_per_track = ccg.secs_per_track;
3752 dp->cylinders = ccg.cylinders;
3753 }
3754
3755 /*
3756 * If the user supplied a read capacity buffer, and if it is
3757 * different than the previous buffer, update the data in the EDT.
3758 * If it's the same, we don't bother. This avoids sending an
3759 * update every time someone opens this device.
3760 */
3761 if ((rcaplong != NULL)
3762 && (bcmp(rcaplong, &softc->rcaplong,
3763 min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
3764 struct ccb_dev_advinfo cdai;
3765
3766 xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3767 cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
3768 cdai.buftype = CDAI_TYPE_RCAPLONG;
3769 cdai.flags |= CDAI_FLAG_STORE;
3770 cdai.bufsiz = rcap_len;
3771 cdai.buf = (uint8_t *)rcaplong;
3772 xpt_action((union ccb *)&cdai);
3773 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
3774 cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
3775 if (cdai.ccb_h.status != CAM_REQ_CMP) {
3776 xpt_print(periph->path, "%s: failed to set read "
3777 "capacity advinfo\n", __func__);
3778 /* Use cam_error_print() to decode the status */
3779 cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
3780 CAM_EPF_ALL);
3781 } else {
3782 bcopy(rcaplong, &softc->rcaplong,
3783 min(sizeof(softc->rcaplong), rcap_len));
3784 }
3785 }
3786
3787 softc->disk->d_sectorsize = softc->params.secsize;
3788 softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
3789 softc->disk->d_stripesize = softc->params.stripesize;
3790 softc->disk->d_stripeoffset = softc->params.stripeoffset;
3791 /* XXX: these are not actually "firmware" values, so they may be wrong */
3792 softc->disk->d_fwsectors = softc->params.secs_per_track;
3793 softc->disk->d_fwheads = softc->params.heads;
3794 softc->disk->d_devstat->block_size = softc->params.secsize;
3795 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
3796 }
3797
3798 static void
dasendorderedtag(void * arg)3799 dasendorderedtag(void *arg)
3800 {
3801 struct da_softc *softc = arg;
3802
3803 if (da_send_ordered) {
3804 if (!LIST_EMPTY(&softc->pending_ccbs)) {
3805 if ((softc->flags & DA_FLAG_WAS_OTAG) == 0)
3806 softc->flags |= DA_FLAG_NEED_OTAG;
3807 softc->flags &= ~DA_FLAG_WAS_OTAG;
3808 }
3809 }
3810 /* Queue us up again */
3811 callout_reset(&softc->sendordered_c,
3812 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
3813 dasendorderedtag, softc);
3814 }
3815
3816 /*
3817 * Step through all DA peripheral drivers, and if the device is still open,
3818 * sync the disk cache to physical media.
3819 */
3820 static void
dashutdown(void * arg,int howto)3821 dashutdown(void * arg, int howto)
3822 {
3823 struct cam_periph *periph;
3824 struct da_softc *softc;
3825 union ccb *ccb;
3826 int error;
3827
3828 CAM_PERIPH_FOREACH(periph, &dadriver) {
3829 softc = (struct da_softc *)periph->softc;
3830 if (SCHEDULER_STOPPED()) {
3831 /* If we paniced with the lock held, do not recurse. */
3832 if (!cam_periph_owned(periph) &&
3833 (softc->flags & DA_FLAG_OPEN)) {
3834 dadump(softc->disk, NULL, 0, 0, 0);
3835 }
3836 continue;
3837 }
3838 cam_periph_lock(periph);
3839
3840 /*
3841 * We only sync the cache if the drive is still open, and
3842 * if the drive is capable of it..
3843 */
3844 if (((softc->flags & DA_FLAG_OPEN) == 0)
3845 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
3846 cam_periph_unlock(periph);
3847 continue;
3848 }
3849
3850 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3851 scsi_synchronize_cache(&ccb->csio,
3852 /*retries*/0,
3853 /*cbfcnp*/dadone,
3854 MSG_SIMPLE_Q_TAG,
3855 /*begin_lba*/0, /* whole disk */
3856 /*lb_count*/0,
3857 SSD_FULL_SIZE,
3858 60 * 60 * 1000);
3859
3860 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
3861 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
3862 softc->disk->d_devstat);
3863 if (error != 0)
3864 xpt_print(periph->path, "Synchronize cache failed\n");
3865 xpt_release_ccb(ccb);
3866 cam_periph_unlock(periph);
3867 }
3868 }
3869
3870 #else /* !_KERNEL */
3871
3872 /*
3873 * XXX This is only left out of the kernel build to silence warnings. If,
3874 * for some reason this function is used in the kernel, the ifdefs should
3875 * be moved so it is included both in the kernel and userland.
3876 */
3877 void
scsi_format_unit(struct ccb_scsiio * csio,u_int32_t retries,void (* cbfcnp)(struct cam_periph *,union ccb *),u_int8_t tag_action,u_int8_t byte2,u_int16_t ileave,u_int8_t * data_ptr,u_int32_t dxfer_len,u_int8_t sense_len,u_int32_t timeout)3878 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
3879 void (*cbfcnp)(struct cam_periph *, union ccb *),
3880 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
3881 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
3882 u_int32_t timeout)
3883 {
3884 struct scsi_format_unit *scsi_cmd;
3885
3886 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
3887 scsi_cmd->opcode = FORMAT_UNIT;
3888 scsi_cmd->byte2 = byte2;
3889 scsi_ulto2b(ileave, scsi_cmd->interleave);
3890
3891 cam_fill_csio(csio,
3892 retries,
3893 cbfcnp,
3894 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
3895 tag_action,
3896 data_ptr,
3897 dxfer_len,
3898 sense_len,
3899 sizeof(*scsi_cmd),
3900 timeout);
3901 }
3902
3903 void
scsi_sanitize(struct ccb_scsiio * csio,u_int32_t retries,void (* cbfcnp)(struct cam_periph *,union ccb *),u_int8_t tag_action,u_int8_t byte2,u_int16_t control,u_int8_t * data_ptr,u_int32_t dxfer_len,u_int8_t sense_len,u_int32_t timeout)3904 scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
3905 void (*cbfcnp)(struct cam_periph *, union ccb *),
3906 u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
3907 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
3908 u_int32_t timeout)
3909 {
3910 struct scsi_sanitize *scsi_cmd;
3911
3912 scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes;
3913 scsi_cmd->opcode = SANITIZE;
3914 scsi_cmd->byte2 = byte2;
3915 scsi_cmd->control = control;
3916 scsi_ulto2b(dxfer_len, scsi_cmd->length);
3917
3918 cam_fill_csio(csio,
3919 retries,
3920 cbfcnp,
3921 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
3922 tag_action,
3923 data_ptr,
3924 dxfer_len,
3925 sense_len,
3926 sizeof(*scsi_cmd),
3927 timeout);
3928 }
3929
3930 #endif /* _KERNEL */
3931