xref: /freebsd/sys/cam/scsi/scsi_da.c (revision aa24f48b361effe51163877d84f1b70d32b77e04)
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("$FreeBSD$");
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 <sys/sbuf.h>
50 #include <geom/geom.h>
51 #include <geom/geom_disk.h>
52 #endif /* _KERNEL */
53 
54 #ifndef _KERNEL
55 #include <stdio.h>
56 #include <string.h>
57 #endif /* _KERNEL */
58 
59 #include <cam/cam.h>
60 #include <cam/cam_ccb.h>
61 #include <cam/cam_periph.h>
62 #include <cam/cam_xpt_periph.h>
63 #include <cam/cam_sim.h>
64 #include <cam/cam_iosched.h>
65 
66 #include <cam/scsi/scsi_message.h>
67 #include <cam/scsi/scsi_da.h>
68 
69 #ifdef _KERNEL
70 /*
71  * Note that there are probe ordering dependencies here.  The order isn't
72  * controlled by this enumeration, but by explicit state transitions in
73  * dastart() and dadone().  Here are some of the dependencies:
74  *
75  * 1. RC should come first, before RC16, unless there is evidence that RC16
76  *    is supported.
77  * 2. BDC needs to come before any of the ATA probes, or the ZONE probe.
78  * 3. The ATA probes should go in this order:
79  *    ATA -> LOGDIR -> IDDIR -> SUP -> ATA_ZONE
80  */
81 typedef enum {
82 	DA_STATE_PROBE_RC,
83 	DA_STATE_PROBE_RC16,
84 	DA_STATE_PROBE_LBP,
85 	DA_STATE_PROBE_BLK_LIMITS,
86 	DA_STATE_PROBE_BDC,
87 	DA_STATE_PROBE_ATA,
88 	DA_STATE_PROBE_ATA_LOGDIR,
89 	DA_STATE_PROBE_ATA_IDDIR,
90 	DA_STATE_PROBE_ATA_SUP,
91 	DA_STATE_PROBE_ATA_ZONE,
92 	DA_STATE_PROBE_ZONE,
93 	DA_STATE_NORMAL
94 } da_state;
95 
96 typedef enum {
97 	DA_FLAG_PACK_INVALID	= 0x000001,
98 	DA_FLAG_NEW_PACK	= 0x000002,
99 	DA_FLAG_PACK_LOCKED	= 0x000004,
100 	DA_FLAG_PACK_REMOVABLE	= 0x000008,
101 	DA_FLAG_NEED_OTAG	= 0x000020,
102 	DA_FLAG_WAS_OTAG	= 0x000040,
103 	DA_FLAG_RETRY_UA	= 0x000080,
104 	DA_FLAG_OPEN		= 0x000100,
105 	DA_FLAG_SCTX_INIT	= 0x000200,
106 	DA_FLAG_CAN_RC16	= 0x000400,
107 	DA_FLAG_PROBED		= 0x000800,
108 	DA_FLAG_DIRTY		= 0x001000,
109 	DA_FLAG_ANNOUNCED	= 0x002000,
110 	DA_FLAG_CAN_ATA_DMA	= 0x004000,
111 	DA_FLAG_CAN_ATA_LOG	= 0x008000,
112 	DA_FLAG_CAN_ATA_IDLOG	= 0x010000,
113 	DA_FLAG_CAN_ATA_SUPCAP	= 0x020000,
114 	DA_FLAG_CAN_ATA_ZONE	= 0x040000
115 } da_flags;
116 
117 typedef enum {
118 	DA_Q_NONE		= 0x00,
119 	DA_Q_NO_SYNC_CACHE	= 0x01,
120 	DA_Q_NO_6_BYTE		= 0x02,
121 	DA_Q_NO_PREVENT		= 0x04,
122 	DA_Q_4K			= 0x08,
123 	DA_Q_NO_RC16		= 0x10,
124 	DA_Q_NO_UNMAP		= 0x20,
125 	DA_Q_RETRY_BUSY		= 0x40,
126 	DA_Q_SMR_DM		= 0x80,
127 	DA_Q_STRICT_UNMAP	= 0x100
128 } da_quirks;
129 
130 #define DA_Q_BIT_STRING		\
131 	"\020"			\
132 	"\001NO_SYNC_CACHE"	\
133 	"\002NO_6_BYTE"		\
134 	"\003NO_PREVENT"	\
135 	"\0044K"		\
136 	"\005NO_RC16"		\
137 	"\006NO_UNMAP"		\
138 	"\007RETRY_BUSY"	\
139 	"\010SMR_DM"		\
140 	"\011STRICT_UNMAP"
141 
142 typedef enum {
143 	DA_CCB_PROBE_RC		= 0x01,
144 	DA_CCB_PROBE_RC16	= 0x02,
145 	DA_CCB_PROBE_LBP	= 0x03,
146 	DA_CCB_PROBE_BLK_LIMITS	= 0x04,
147 	DA_CCB_PROBE_BDC	= 0x05,
148 	DA_CCB_PROBE_ATA	= 0x06,
149 	DA_CCB_BUFFER_IO	= 0x07,
150 	DA_CCB_DUMP		= 0x0A,
151 	DA_CCB_DELETE		= 0x0B,
152  	DA_CCB_TUR		= 0x0C,
153 	DA_CCB_PROBE_ZONE	= 0x0D,
154 	DA_CCB_PROBE_ATA_LOGDIR	= 0x0E,
155 	DA_CCB_PROBE_ATA_IDDIR	= 0x0F,
156 	DA_CCB_PROBE_ATA_SUP	= 0x10,
157 	DA_CCB_PROBE_ATA_ZONE	= 0x11,
158 	DA_CCB_TYPE_MASK	= 0x1F,
159 	DA_CCB_RETRY_UA		= 0x20
160 } da_ccb_state;
161 
162 /*
163  * Order here is important for method choice
164  *
165  * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to
166  * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes
167  * using ATA_TRIM than the corresponding UNMAP results for a real world mysql
168  * import taking 5mins.
169  *
170  */
171 typedef enum {
172 	DA_DELETE_NONE,
173 	DA_DELETE_DISABLE,
174 	DA_DELETE_ATA_TRIM,
175 	DA_DELETE_UNMAP,
176 	DA_DELETE_WS16,
177 	DA_DELETE_WS10,
178 	DA_DELETE_ZERO,
179 	DA_DELETE_MIN = DA_DELETE_ATA_TRIM,
180 	DA_DELETE_MAX = DA_DELETE_ZERO
181 } da_delete_methods;
182 
183 /*
184  * For SCSI, host managed drives show up as a separate device type.  For
185  * ATA, host managed drives also have a different device signature.
186  * XXX KDM figure out the ATA host managed signature.
187  */
188 typedef enum {
189 	DA_ZONE_NONE		= 0x00,
190 	DA_ZONE_DRIVE_MANAGED	= 0x01,
191 	DA_ZONE_HOST_AWARE	= 0x02,
192 	DA_ZONE_HOST_MANAGED	= 0x03
193 } da_zone_mode;
194 
195 /*
196  * We distinguish between these interface cases in addition to the drive type:
197  * o ATA drive behind a SCSI translation layer that knows about ZBC/ZAC
198  * o ATA drive behind a SCSI translation layer that does not know about
199  *   ZBC/ZAC, and so needs to be managed via ATA passthrough.  In this
200  *   case, we would need to share the ATA code with the ada(4) driver.
201  * o SCSI drive.
202  */
203 typedef enum {
204 	DA_ZONE_IF_SCSI,
205 	DA_ZONE_IF_ATA_PASS,
206 	DA_ZONE_IF_ATA_SAT,
207 } da_zone_interface;
208 
209 typedef enum {
210 	DA_ZONE_FLAG_RZ_SUP		= 0x0001,
211 	DA_ZONE_FLAG_OPEN_SUP		= 0x0002,
212 	DA_ZONE_FLAG_CLOSE_SUP		= 0x0004,
213 	DA_ZONE_FLAG_FINISH_SUP		= 0x0008,
214 	DA_ZONE_FLAG_RWP_SUP		= 0x0010,
215 	DA_ZONE_FLAG_SUP_MASK		= (DA_ZONE_FLAG_RZ_SUP |
216 					   DA_ZONE_FLAG_OPEN_SUP |
217 					   DA_ZONE_FLAG_CLOSE_SUP |
218 					   DA_ZONE_FLAG_FINISH_SUP |
219 					   DA_ZONE_FLAG_RWP_SUP),
220 	DA_ZONE_FLAG_URSWRZ		= 0x0020,
221 	DA_ZONE_FLAG_OPT_SEQ_SET	= 0x0040,
222 	DA_ZONE_FLAG_OPT_NONSEQ_SET	= 0x0080,
223 	DA_ZONE_FLAG_MAX_SEQ_SET	= 0x0100,
224 	DA_ZONE_FLAG_SET_MASK		= (DA_ZONE_FLAG_OPT_SEQ_SET |
225 					   DA_ZONE_FLAG_OPT_NONSEQ_SET |
226 					   DA_ZONE_FLAG_MAX_SEQ_SET)
227 } da_zone_flags;
228 
229 static struct da_zone_desc {
230 	da_zone_flags value;
231 	const char *desc;
232 } da_zone_desc_table[] = {
233 	{DA_ZONE_FLAG_RZ_SUP, "Report Zones" },
234 	{DA_ZONE_FLAG_OPEN_SUP, "Open" },
235 	{DA_ZONE_FLAG_CLOSE_SUP, "Close" },
236 	{DA_ZONE_FLAG_FINISH_SUP, "Finish" },
237 	{DA_ZONE_FLAG_RWP_SUP, "Reset Write Pointer" },
238 };
239 
240 typedef void da_delete_func_t (struct cam_periph *periph, union ccb *ccb,
241 			      struct bio *bp);
242 static da_delete_func_t da_delete_trim;
243 static da_delete_func_t da_delete_unmap;
244 static da_delete_func_t da_delete_ws;
245 
246 static const void * da_delete_functions[] = {
247 	NULL,
248 	NULL,
249 	da_delete_trim,
250 	da_delete_unmap,
251 	da_delete_ws,
252 	da_delete_ws,
253 	da_delete_ws
254 };
255 
256 static const char *da_delete_method_names[] =
257     { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" };
258 static const char *da_delete_method_desc[] =
259     { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP",
260       "WRITE SAME(10) with UNMAP", "ZERO" };
261 
262 /* Offsets into our private area for storing information */
263 #define ccb_state	ppriv_field0
264 #define ccb_bp		ppriv_ptr1
265 
266 struct disk_params {
267 	u_int8_t  heads;
268 	u_int32_t cylinders;
269 	u_int8_t  secs_per_track;
270 	u_int32_t secsize;	/* Number of bytes/sector */
271 	u_int64_t sectors;	/* total number sectors */
272 	u_int     stripesize;
273 	u_int     stripeoffset;
274 };
275 
276 #define UNMAP_RANGE_MAX		0xffffffff
277 #define UNMAP_HEAD_SIZE		8
278 #define UNMAP_RANGE_SIZE	16
279 #define UNMAP_MAX_RANGES	2048 /* Protocol Max is 4095 */
280 #define UNMAP_BUF_SIZE		((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \
281 				UNMAP_HEAD_SIZE)
282 
283 #define WS10_MAX_BLKS		0xffff
284 #define WS16_MAX_BLKS		0xffffffff
285 #define ATA_TRIM_MAX_RANGES	((UNMAP_BUF_SIZE / \
286 	(ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE)
287 
288 #define DA_WORK_TUR		(1 << 16)
289 
290 struct da_softc {
291 	struct   cam_iosched_softc *cam_iosched;
292 	struct	 bio_queue_head delete_run_queue;
293 	LIST_HEAD(, ccb_hdr) pending_ccbs;
294 	int	 refcount;		/* Active xpt_action() calls */
295 	da_state state;
296 	da_flags flags;
297 	da_quirks quirks;
298 	int	 minimum_cmd_size;
299 	int	 error_inject;
300 	int	 trim_max_ranges;
301 	int	 delete_available;	/* Delete methods possibly available */
302 	da_zone_mode 			zone_mode;
303 	da_zone_interface		zone_interface;
304 	da_zone_flags			zone_flags;
305 	struct ata_gp_log_dir		ata_logdir;
306 	int				valid_logdir_len;
307 	struct ata_identify_log_pages	ata_iddir;
308 	int				valid_iddir_len;
309 	uint64_t			optimal_seq_zones;
310 	uint64_t			optimal_nonseq_zones;
311 	uint64_t			max_seq_zones;
312 	u_int	 		maxio;
313 	uint32_t		unmap_max_ranges;
314 	uint32_t		unmap_max_lba; /* Max LBAs in UNMAP req */
315 	uint32_t		unmap_gran;
316 	uint32_t		unmap_gran_align;
317 	uint64_t		ws_max_blks;
318 	da_delete_methods	delete_method_pref;
319 	da_delete_methods	delete_method;
320 	da_delete_func_t	*delete_func;
321 	int			unmappedio;
322 	int			rotating;
323 	struct	 disk_params params;
324 	struct	 disk *disk;
325 	union	 ccb saved_ccb;
326 	struct task		sysctl_task;
327 	struct sysctl_ctx_list	sysctl_ctx;
328 	struct sysctl_oid	*sysctl_tree;
329 	struct callout		sendordered_c;
330 	uint64_t wwpn;
331 	uint8_t	 unmap_buf[UNMAP_BUF_SIZE];
332 	struct scsi_read_capacity_data_long rcaplong;
333 	struct callout		mediapoll_c;
334 #ifdef CAM_IO_STATS
335 	struct sysctl_ctx_list	sysctl_stats_ctx;
336 	struct sysctl_oid	*sysctl_stats_tree;
337 	u_int	errors;
338 	u_int	timeouts;
339 	u_int	invalidations;
340 #endif
341 #define DA_ANNOUNCETMP_SZ 80
342 	char			announce_temp[DA_ANNOUNCETMP_SZ];
343 #define DA_ANNOUNCE_SZ 400
344 	char			announcebuf[DA_ANNOUNCE_SZ];
345 };
346 
347 #define dadeleteflag(softc, delete_method, enable)			\
348 	if (enable) {							\
349 		softc->delete_available |= (1 << delete_method);	\
350 	} else {							\
351 		softc->delete_available &= ~(1 << delete_method);	\
352 	}
353 
354 struct da_quirk_entry {
355 	struct scsi_inquiry_pattern inq_pat;
356 	da_quirks quirks;
357 };
358 
359 static const char quantum[] = "QUANTUM";
360 static const char microp[] = "MICROP";
361 
362 static struct da_quirk_entry da_quirk_table[] =
363 {
364 	/* SPI, FC devices */
365 	{
366 		/*
367 		 * Fujitsu M2513A MO drives.
368 		 * Tested devices: M2513A2 firmware versions 1200 & 1300.
369 		 * (dip switch selects whether T_DIRECT or T_OPTICAL device)
370 		 * Reported by: W.Scholten <whs@xs4all.nl>
371 		 */
372 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
373 		/*quirks*/ DA_Q_NO_SYNC_CACHE
374 	},
375 	{
376 		/* See above. */
377 		{T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
378 		/*quirks*/ DA_Q_NO_SYNC_CACHE
379 	},
380 	{
381 		/*
382 		 * This particular Fujitsu drive doesn't like the
383 		 * synchronize cache command.
384 		 * Reported by: Tom Jackson <toj@gorilla.net>
385 		 */
386 		{T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
387 		/*quirks*/ DA_Q_NO_SYNC_CACHE
388 	},
389 	{
390 		/*
391 		 * This drive doesn't like the synchronize cache command
392 		 * either.  Reported by: Matthew Jacob <mjacob@feral.com>
393 		 * in NetBSD PR kern/6027, August 24, 1998.
394 		 */
395 		{T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
396 		/*quirks*/ DA_Q_NO_SYNC_CACHE
397 	},
398 	{
399 		/*
400 		 * This drive doesn't like the synchronize cache command
401 		 * either.  Reported by: Hellmuth Michaelis (hm@kts.org)
402 		 * (PR 8882).
403 		 */
404 		{T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
405 		/*quirks*/ DA_Q_NO_SYNC_CACHE
406 	},
407 	{
408 		/*
409 		 * Doesn't like the synchronize cache command.
410 		 * Reported by: Blaz Zupan <blaz@gold.amis.net>
411 		 */
412 		{T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
413 		/*quirks*/ DA_Q_NO_SYNC_CACHE
414 	},
415 	{
416 		/*
417 		 * Doesn't like the synchronize cache command.
418 		 * Reported by: Blaz Zupan <blaz@gold.amis.net>
419 		 */
420 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
421 		/*quirks*/ DA_Q_NO_SYNC_CACHE
422 	},
423 	{
424 		/*
425 		 * Doesn't like the synchronize cache command.
426 		 */
427 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
428 		/*quirks*/ DA_Q_NO_SYNC_CACHE
429 	},
430 	{
431 		/*
432 		 * Doesn't like the synchronize cache command.
433 		 * Reported by: walter@pelissero.de
434 		 */
435 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"},
436 		/*quirks*/ DA_Q_NO_SYNC_CACHE
437 	},
438 	{
439 		/*
440 		 * Doesn't work correctly with 6 byte reads/writes.
441 		 * Returns illegal request, and points to byte 9 of the
442 		 * 6-byte CDB.
443 		 * Reported by:  Adam McDougall <bsdx@spawnet.com>
444 		 */
445 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
446 		/*quirks*/ DA_Q_NO_6_BYTE
447 	},
448 	{
449 		/* See above. */
450 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
451 		/*quirks*/ DA_Q_NO_6_BYTE
452 	},
453 	{
454 		/*
455 		 * Doesn't like the synchronize cache command.
456 		 * Reported by: walter@pelissero.de
457 		 */
458 		{T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"},
459 		/*quirks*/ DA_Q_NO_SYNC_CACHE
460 	},
461 	{
462 		/*
463 		 * The CISS RAID controllers do not support SYNC_CACHE
464 		 */
465 		{T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
466 		/*quirks*/ DA_Q_NO_SYNC_CACHE
467 	},
468 	{
469 		/*
470 		 * The STEC SSDs sometimes hang on UNMAP.
471 		 */
472 		{T_DIRECT, SIP_MEDIA_FIXED, "STEC", "*", "*"},
473 		/*quirks*/ DA_Q_NO_UNMAP
474 	},
475 	{
476 		/*
477 		 * VMware returns BUSY status when storage has transient
478 		 * connectivity problems, so better wait.
479 		 * Also VMware returns odd errors on misaligned UNMAPs.
480 		 */
481 		{T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*"},
482 		/*quirks*/ DA_Q_RETRY_BUSY | DA_Q_STRICT_UNMAP
483 	},
484 	/* USB mass storage devices supported by umass(4) */
485 	{
486 		/*
487 		 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
488 		 * PR: kern/51675
489 		 */
490 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
491 		/*quirks*/ DA_Q_NO_SYNC_CACHE
492 	},
493 	{
494 		/*
495 		 * Power Quotient Int. (PQI) USB flash key
496 		 * PR: kern/53067
497 		 */
498 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*",
499 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
500 	},
501  	{
502  		/*
503  		 * Creative Nomad MUVO mp3 player (USB)
504  		 * PR: kern/53094
505  		 */
506  		{T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
507  		/*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
508  	},
509 	{
510 		/*
511 		 * Jungsoft NEXDISK USB flash key
512 		 * PR: kern/54737
513 		 */
514 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
515 		/*quirks*/ DA_Q_NO_SYNC_CACHE
516 	},
517 	{
518 		/*
519 		 * FreeDik USB Mini Data Drive
520 		 * PR: kern/54786
521 		 */
522 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive",
523 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
524 	},
525 	{
526 		/*
527 		 * Sigmatel USB Flash MP3 Player
528 		 * PR: kern/57046
529 		 */
530 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"},
531 		/*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
532 	},
533 	{
534 		/*
535 		 * Neuros USB Digital Audio Computer
536 		 * PR: kern/63645
537 		 */
538 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.",
539 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
540 	},
541 	{
542 		/*
543 		 * SEAGRAND NP-900 MP3 Player
544 		 * PR: kern/64563
545 		 */
546 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"},
547 		/*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
548 	},
549 	{
550 		/*
551 		 * iRiver iFP MP3 player (with UMS Firmware)
552 		 * PR: kern/54881, i386/63941, kern/66124
553 		 */
554 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
555 		/*quirks*/ DA_Q_NO_SYNC_CACHE
556  	},
557 	{
558 		/*
559 		 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
560 		 * PR: kern/70158
561 		 */
562 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"},
563 		/*quirks*/ DA_Q_NO_SYNC_CACHE
564 	},
565 	{
566 		/*
567 		 * ZICPlay USB MP3 Player with FM
568 		 * PR: kern/75057
569 		 */
570 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"},
571 		/*quirks*/ DA_Q_NO_SYNC_CACHE
572 	},
573 	{
574 		/*
575 		 * TEAC USB floppy mechanisms
576 		 */
577 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"},
578 		/*quirks*/ DA_Q_NO_SYNC_CACHE
579 	},
580 	{
581 		/*
582 		 * Kingston DataTraveler II+ USB Pen-Drive.
583 		 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org>
584 		 */
585 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+",
586 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
587 	},
588 	{
589 		/*
590 		 * USB DISK Pro PMAP
591 		 * Reported by: jhs
592 		 * PR: usb/96381
593 		 */
594 		{T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"},
595 		/*quirks*/ DA_Q_NO_SYNC_CACHE
596 	},
597 	{
598 		/*
599 		 * Motorola E398 Mobile Phone (TransFlash memory card).
600 		 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl>
601 		 * PR: usb/89889
602 		 */
603 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone",
604 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
605 	},
606 	{
607 		/*
608 		 * Qware BeatZkey! Pro
609 		 * PR: usb/79164
610 		 */
611 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE",
612 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
613 	},
614 	{
615 		/*
616 		 * Time DPA20B 1GB MP3 Player
617 		 * PR: usb/81846
618 		 */
619 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*",
620 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
621 	},
622 	{
623 		/*
624 		 * Samsung USB key 128Mb
625 		 * PR: usb/90081
626 		 */
627 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb",
628 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
629 	},
630 	{
631 		/*
632 		 * Kingston DataTraveler 2.0 USB Flash memory.
633 		 * PR: usb/89196
634 		 */
635 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0",
636 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
637 	},
638 	{
639 		/*
640 		 * Creative MUVO Slim mp3 player (USB)
641 		 * PR: usb/86131
642 		 */
643 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim",
644 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
645 		},
646 	{
647 		/*
648 		 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3)
649 		 * PR: usb/80487
650 		 */
651 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK",
652 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
653 	},
654 	{
655 		/*
656 		 * SanDisk Micro Cruzer 128MB
657 		 * PR: usb/75970
658 		 */
659 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer",
660 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
661 	},
662 	{
663 		/*
664 		 * TOSHIBA TransMemory USB sticks
665 		 * PR: kern/94660
666 		 */
667 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory",
668 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
669 	},
670 	{
671 		/*
672 		 * PNY USB 3.0 Flash Drives
673 		*/
674 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "PNY", "USB 3.0 FD*",
675 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_RC16
676 	},
677 	{
678 		/*
679 		 * PNY USB Flash keys
680 		 * PR: usb/75578, usb/72344, usb/65436
681 		 */
682 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*",
683 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
684 	},
685 	{
686 		/*
687 		 * Genesys GL3224
688 		 */
689 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
690 		"120?"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_4K | DA_Q_NO_RC16
691 	},
692 	{
693 		/*
694 		 * Genesys 6-in-1 Card Reader
695 		 * PR: usb/94647
696 		 */
697 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
698 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
699 	},
700 	{
701 		/*
702 		 * Rekam Digital CAMERA
703 		 * PR: usb/98713
704 		 */
705 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*",
706 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
707 	},
708 	{
709 		/*
710 		 * iRiver H10 MP3 player
711 		 * PR: usb/102547
712 		 */
713 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*",
714 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
715 	},
716 	{
717 		/*
718 		 * iRiver U10 MP3 player
719 		 * PR: usb/92306
720 		 */
721 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*",
722 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
723 	},
724 	{
725 		/*
726 		 * X-Micro Flash Disk
727 		 * PR: usb/96901
728 		 */
729 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk",
730 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
731 	},
732 	{
733 		/*
734 		 * EasyMP3 EM732X USB 2.0 Flash MP3 Player
735 		 * PR: usb/96546
736 		 */
737 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*",
738 		"1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
739 	},
740 	{
741 		/*
742 		 * Denver MP3 player
743 		 * PR: usb/107101
744 		 */
745 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER",
746 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
747 	},
748 	{
749 		/*
750 		 * Philips USB Key Audio KEY013
751 		 * PR: usb/68412
752 		 */
753 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"},
754 		/*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
755 	},
756 	{
757 		/*
758 		 * JNC MP3 Player
759 		 * PR: usb/94439
760 		 */
761 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*",
762 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
763 	},
764 	{
765 		/*
766 		 * SAMSUNG MP0402H
767 		 * PR: usb/108427
768 		 */
769 		{T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"},
770 		/*quirks*/ DA_Q_NO_SYNC_CACHE
771 	},
772 	{
773 		/*
774 		 * I/O Magic USB flash - Giga Bank
775 		 * PR: usb/108810
776 		 */
777 		{T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"},
778 		/*quirks*/ DA_Q_NO_SYNC_CACHE
779 	},
780 	{
781 		/*
782 		 * JoyFly 128mb USB Flash Drive
783 		 * PR: 96133
784 		 */
785 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*",
786 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
787 	},
788 	{
789 		/*
790 		 * ChipsBnk usb stick
791 		 * PR: 103702
792 		 */
793 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*",
794 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
795 	},
796 	{
797 		/*
798 		 * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A
799 		 * PR: 129858
800 		 */
801 		{T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*",
802 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
803 	},
804 	{
805 		/*
806 		 * Samsung YP-U3 mp3-player
807 		 * PR: 125398
808 		 */
809 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3",
810 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
811 	},
812 	{
813 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*",
814 		 "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
815 	},
816 	{
817 		/*
818 		 * Sony Cyber-Shot DSC cameras
819 		 * PR: usb/137035
820 		 */
821 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
822 		/*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
823 	},
824 	{
825 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3",
826 		 "1.00"}, /*quirks*/ DA_Q_NO_PREVENT
827 	},
828 	{
829 		/* At least several Transcent USB sticks lie on RC16. */
830 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "JetFlash", "Transcend*",
831 		 "*"}, /*quirks*/ DA_Q_NO_RC16
832 	},
833 	{
834 		/*
835 		 * I-O Data USB Flash Disk
836 		 * PR: usb/211716
837 		 */
838 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "I-O DATA", "USB Flash Disk*",
839 		 "*"}, /*quirks*/ DA_Q_NO_RC16
840 	},
841 	/* ATA/SATA devices over SAS/USB/... */
842 	{
843 		/* Hitachi Advanced Format (4k) drives */
844 		{ T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" },
845 		/*quirks*/DA_Q_4K
846 	},
847 	{
848 		/* Micron Advanced Format (4k) drives */
849 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Micron 5100 MTFDDAK*", "*" },
850 		/*quirks*/DA_Q_4K
851 	},
852 	{
853 		/* Samsung Advanced Format (4k) drives */
854 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" },
855 		/*quirks*/DA_Q_4K
856 	},
857 	{
858 		/* Samsung Advanced Format (4k) drives */
859 		{ T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" },
860 		/*quirks*/DA_Q_4K
861 	},
862 	{
863 		/* Samsung Advanced Format (4k) drives */
864 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" },
865 		/*quirks*/DA_Q_4K
866 	},
867 	{
868 		/* Samsung Advanced Format (4k) drives */
869 		{ T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" },
870 		/*quirks*/DA_Q_4K
871 	},
872 	{
873 		/* Seagate Barracuda Green Advanced Format (4k) drives */
874 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" },
875 		/*quirks*/DA_Q_4K
876 	},
877 	{
878 		/* Seagate Barracuda Green Advanced Format (4k) drives */
879 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" },
880 		/*quirks*/DA_Q_4K
881 	},
882 	{
883 		/* Seagate Barracuda Green Advanced Format (4k) drives */
884 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" },
885 		/*quirks*/DA_Q_4K
886 	},
887 	{
888 		/* Seagate Barracuda Green Advanced Format (4k) drives */
889 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" },
890 		/*quirks*/DA_Q_4K
891 	},
892 	{
893 		/* Seagate Barracuda Green Advanced Format (4k) drives */
894 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" },
895 		/*quirks*/DA_Q_4K
896 	},
897 	{
898 		/* Seagate Barracuda Green Advanced Format (4k) drives */
899 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" },
900 		/*quirks*/DA_Q_4K
901 	},
902 	{
903 		/* Seagate Momentus Advanced Format (4k) drives */
904 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" },
905 		/*quirks*/DA_Q_4K
906 	},
907 	{
908 		/* Seagate Momentus Advanced Format (4k) drives */
909 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" },
910 		/*quirks*/DA_Q_4K
911 	},
912 	{
913 		/* Seagate Momentus Advanced Format (4k) drives */
914 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" },
915 		/*quirks*/DA_Q_4K
916 	},
917 	{
918 		/* Seagate Momentus Advanced Format (4k) drives */
919 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" },
920 		/*quirks*/DA_Q_4K
921 	},
922 	{
923 		/* Seagate Momentus Advanced Format (4k) drives */
924 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" },
925 		/*quirks*/DA_Q_4K
926 	},
927 	{
928 		/* Seagate Momentus Advanced Format (4k) drives */
929 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" },
930 		/*quirks*/DA_Q_4K
931 	},
932 	{
933 		/* Seagate Momentus Advanced Format (4k) drives */
934 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" },
935 		/*quirks*/DA_Q_4K
936 	},
937 	{
938 		/* Seagate Momentus Advanced Format (4k) drives */
939 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" },
940 		/*quirks*/DA_Q_4K
941 	},
942 	{
943 		/* Seagate Momentus Advanced Format (4k) drives */
944 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" },
945 		/*quirks*/DA_Q_4K
946 	},
947 	{
948 		/* Seagate Momentus Advanced Format (4k) drives */
949 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" },
950 		/*quirks*/DA_Q_4K
951 	},
952 	{
953 		/* Seagate Momentus Advanced Format (4k) drives */
954 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" },
955 		/*quirks*/DA_Q_4K
956 	},
957 	{
958 		/* Seagate Momentus Advanced Format (4k) drives */
959 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" },
960 		/*quirks*/DA_Q_4K
961 	},
962 	{
963 		/* Seagate Momentus Advanced Format (4k) drives */
964 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" },
965 		/*quirks*/DA_Q_4K
966 	},
967 	{
968 		/* Seagate Momentus Advanced Format (4k) drives */
969 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" },
970 		/*quirks*/DA_Q_4K
971 	},
972 	{
973 		/* Seagate Momentus Thin Advanced Format (4k) drives */
974 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" },
975 		/*quirks*/DA_Q_4K
976 	},
977 	{
978 		/* Seagate Momentus Thin Advanced Format (4k) drives */
979 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" },
980 		/*quirks*/DA_Q_4K
981 	},
982 	{
983 		/* WDC Caviar Green Advanced Format (4k) drives */
984 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" },
985 		/*quirks*/DA_Q_4K
986 	},
987 	{
988 		/* WDC Caviar Green Advanced Format (4k) drives */
989 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" },
990 		/*quirks*/DA_Q_4K
991 	},
992 	{
993 		/* WDC Caviar Green Advanced Format (4k) drives */
994 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" },
995 		/*quirks*/DA_Q_4K
996 	},
997 	{
998 		/* WDC Caviar Green Advanced Format (4k) drives */
999 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" },
1000 		/*quirks*/DA_Q_4K
1001 	},
1002 	{
1003 		/* WDC Caviar Green Advanced Format (4k) drives */
1004 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" },
1005 		/*quirks*/DA_Q_4K
1006 	},
1007 	{
1008 		/* WDC Caviar Green Advanced Format (4k) drives */
1009 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" },
1010 		/*quirks*/DA_Q_4K
1011 	},
1012 	{
1013 		/* WDC Caviar Green Advanced Format (4k) drives */
1014 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" },
1015 		/*quirks*/DA_Q_4K
1016 	},
1017 	{
1018 		/* WDC Caviar Green Advanced Format (4k) drives */
1019 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" },
1020 		/*quirks*/DA_Q_4K
1021 	},
1022 	{
1023 		/* WDC Scorpio Black Advanced Format (4k) drives */
1024 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" },
1025 		/*quirks*/DA_Q_4K
1026 	},
1027 	{
1028 		/* WDC Scorpio Black Advanced Format (4k) drives */
1029 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" },
1030 		/*quirks*/DA_Q_4K
1031 	},
1032 	{
1033 		/* WDC Scorpio Black Advanced Format (4k) drives */
1034 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" },
1035 		/*quirks*/DA_Q_4K
1036 	},
1037 	{
1038 		/* WDC Scorpio Black Advanced Format (4k) drives */
1039 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" },
1040 		/*quirks*/DA_Q_4K
1041 	},
1042 	{
1043 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1044 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" },
1045 		/*quirks*/DA_Q_4K
1046 	},
1047 	{
1048 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1049 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" },
1050 		/*quirks*/DA_Q_4K
1051 	},
1052 	{
1053 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1054 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" },
1055 		/*quirks*/DA_Q_4K
1056 	},
1057 	{
1058 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1059 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" },
1060 		/*quirks*/DA_Q_4K
1061 	},
1062 	{
1063 		/*
1064 		 * Olympus FE-210 camera
1065 		 */
1066 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*",
1067 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1068 	},
1069 	{
1070 		/*
1071 		 * LG UP3S MP3 player
1072 		 */
1073 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S",
1074 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1075 	},
1076 	{
1077 		/*
1078 		 * Laser MP3-2GA13 MP3 player
1079 		 */
1080 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk",
1081 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1082 	},
1083 	{
1084 		/*
1085 		 * LaCie external 250GB Hard drive des by Porsche
1086 		 * Submitted by: Ben Stuyts <ben@altesco.nl>
1087 		 * PR: 121474
1088 		 */
1089 		{T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"},
1090 		/*quirks*/ DA_Q_NO_SYNC_CACHE
1091 	},
1092 	/* SATA SSDs */
1093 	{
1094 		/*
1095 		 * Corsair Force 2 SSDs
1096 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1097 		 */
1098 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair CSSD-F*", "*" },
1099 		/*quirks*/DA_Q_4K
1100 	},
1101 	{
1102 		/*
1103 		 * Corsair Force 3 SSDs
1104 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1105 		 */
1106 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force 3*", "*" },
1107 		/*quirks*/DA_Q_4K
1108 	},
1109         {
1110 		/*
1111 		 * Corsair Neutron GTX SSDs
1112 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1113 		 */
1114 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" },
1115 		/*quirks*/DA_Q_4K
1116 	},
1117 	{
1118 		/*
1119 		 * Corsair Force GT & GS SSDs
1120 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1121 		 */
1122 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force G*", "*" },
1123 		/*quirks*/DA_Q_4K
1124 	},
1125 	{
1126 		/*
1127 		 * Crucial M4 SSDs
1128 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1129 		 */
1130 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "M4-CT???M4SSD2*", "*" },
1131 		/*quirks*/DA_Q_4K
1132 	},
1133 	{
1134 		/*
1135 		 * Crucial RealSSD C300 SSDs
1136 		 * 4k optimised
1137 		 */
1138 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "C300-CTFDDAC???MAG*",
1139 		"*" }, /*quirks*/DA_Q_4K
1140 	},
1141 	{
1142 		/*
1143 		 * Intel 320 Series SSDs
1144 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1145 		 */
1146 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2CW*", "*" },
1147 		/*quirks*/DA_Q_4K
1148 	},
1149 	{
1150 		/*
1151 		 * Intel 330 Series SSDs
1152 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1153 		 */
1154 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2CT*", "*" },
1155 		/*quirks*/DA_Q_4K
1156 	},
1157 	{
1158 		/*
1159 		 * Intel 510 Series SSDs
1160 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1161 		 */
1162 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2MH*", "*" },
1163 		/*quirks*/DA_Q_4K
1164 	},
1165 	{
1166 		/*
1167 		 * Intel 520 Series SSDs
1168 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1169 		 */
1170 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BW*", "*" },
1171 		/*quirks*/DA_Q_4K
1172 	},
1173 	{
1174 		/*
1175 		 * Intel S3610 Series SSDs
1176 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1177 		 */
1178 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BX*", "*" },
1179 		/*quirks*/DA_Q_4K
1180 	},
1181 	{
1182 		/*
1183 		 * Intel X25-M Series SSDs
1184 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1185 		 */
1186 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2M*", "*" },
1187 		/*quirks*/DA_Q_4K
1188 	},
1189 	{
1190 		/*
1191 		 * Kingston E100 Series SSDs
1192 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1193 		 */
1194 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SE100S3*", "*" },
1195 		/*quirks*/DA_Q_4K
1196 	},
1197 	{
1198 		/*
1199 		 * Kingston HyperX 3k SSDs
1200 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1201 		 */
1202 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SH103S3*", "*" },
1203 		/*quirks*/DA_Q_4K
1204 	},
1205 	{
1206 		/*
1207 		 * Marvell SSDs (entry taken from OpenSolaris)
1208 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1209 		 */
1210 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MARVELL SD88SA02*", "*" },
1211 		/*quirks*/DA_Q_4K
1212 	},
1213 	{
1214 		/*
1215 		 * OCZ Agility 2 SSDs
1216 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1217 		 */
1218 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" },
1219 		/*quirks*/DA_Q_4K
1220 	},
1221 	{
1222 		/*
1223 		 * OCZ Agility 3 SSDs
1224 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1225 		 */
1226 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-AGILITY3*", "*" },
1227 		/*quirks*/DA_Q_4K
1228 	},
1229 	{
1230 		/*
1231 		 * OCZ Deneva R Series SSDs
1232 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1233 		 */
1234 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "DENRSTE251M45*", "*" },
1235 		/*quirks*/DA_Q_4K
1236 	},
1237 	{
1238 		/*
1239 		 * OCZ Vertex 2 SSDs (inc pro series)
1240 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1241 		 */
1242 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ?VERTEX2*", "*" },
1243 		/*quirks*/DA_Q_4K
1244 	},
1245 	{
1246 		/*
1247 		 * OCZ Vertex 3 SSDs
1248 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1249 		 */
1250 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX3*", "*" },
1251 		/*quirks*/DA_Q_4K
1252 	},
1253 	{
1254 		/*
1255 		 * OCZ Vertex 4 SSDs
1256 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1257 		 */
1258 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX4*", "*" },
1259 		/*quirks*/DA_Q_4K
1260 	},
1261 	{
1262 		/*
1263 		 * Samsung 830 Series SSDs
1264 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1265 		 */
1266 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG SSD 830 Series*", "*" },
1267 		/*quirks*/DA_Q_4K
1268 	},
1269 	{
1270 		/*
1271 		 * Samsung 840 SSDs
1272 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1273 		 */
1274 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 840*", "*" },
1275 		/*quirks*/DA_Q_4K
1276 	},
1277 	{
1278 		/*
1279 		 * Samsung 850 SSDs
1280 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1281 		 */
1282 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 850*", "*" },
1283 		/*quirks*/DA_Q_4K
1284 	},
1285 	{
1286 		/*
1287 		 * Samsung 843T Series SSDs (MZ7WD*)
1288 		 * Samsung PM851 Series SSDs (MZ7TE*)
1289 		 * Samsung PM853T Series SSDs (MZ7GE*)
1290 		 * Samsung SM863 Series SSDs (MZ7KM*)
1291 		 * 4k optimised
1292 		 */
1293 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG MZ7*", "*" },
1294 		/*quirks*/DA_Q_4K
1295 	},
1296 	{
1297 		/*
1298 		 * SuperTalent TeraDrive CT SSDs
1299 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1300 		 */
1301 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" },
1302 		/*quirks*/DA_Q_4K
1303 	},
1304 	{
1305 		/*
1306 		 * XceedIOPS SATA SSDs
1307 		 * 4k optimised
1308 		 */
1309 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" },
1310 		/*quirks*/DA_Q_4K
1311 	},
1312 	{
1313 		/*
1314 		 * Hama Innostor USB-Stick
1315 		 */
1316 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "Innostor", "Innostor*", "*" },
1317 		/*quirks*/DA_Q_NO_RC16
1318 	},
1319 	{
1320 		/*
1321 		 * Seagate Lamarr 8TB Shingled Magnetic Recording (SMR)
1322 		 * Drive Managed SATA hard drive.  This drive doesn't report
1323 		 * in firmware that it is a drive managed SMR drive.
1324 		 */
1325 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST8000AS0002*", "*" },
1326 		/*quirks*/DA_Q_SMR_DM
1327 	},
1328 	{
1329 		/*
1330 		 * MX-ES USB Drive by Mach Xtreme
1331 		 */
1332 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "MX", "MXUB3*", "*"},
1333 		/*quirks*/DA_Q_NO_RC16
1334 	},
1335 };
1336 
1337 static	disk_strategy_t	dastrategy;
1338 static	dumper_t	dadump;
1339 static	periph_init_t	dainit;
1340 static	void		daasync(void *callback_arg, u_int32_t code,
1341 				struct cam_path *path, void *arg);
1342 static	void		dasysctlinit(void *context, int pending);
1343 static	int		dasysctlsofttimeout(SYSCTL_HANDLER_ARGS);
1344 static	int		dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
1345 static	int		dadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
1346 static	int		dazonemodesysctl(SYSCTL_HANDLER_ARGS);
1347 static	int		dazonesupsysctl(SYSCTL_HANDLER_ARGS);
1348 static	int		dadeletemaxsysctl(SYSCTL_HANDLER_ARGS);
1349 static	void		dadeletemethodset(struct da_softc *softc,
1350 					  da_delete_methods delete_method);
1351 static	off_t		dadeletemaxsize(struct da_softc *softc,
1352 					da_delete_methods delete_method);
1353 static	void		dadeletemethodchoose(struct da_softc *softc,
1354 					     da_delete_methods default_method);
1355 static	void		daprobedone(struct cam_periph *periph, union ccb *ccb);
1356 
1357 static	periph_ctor_t	daregister;
1358 static	periph_dtor_t	dacleanup;
1359 static	periph_start_t	dastart;
1360 static	periph_oninv_t	daoninvalidate;
1361 static	void		dazonedone(struct cam_periph *periph, union ccb *ccb);
1362 static	void		dadone(struct cam_periph *periph,
1363 			       union ccb *done_ccb);
1364 static  int		daerror(union ccb *ccb, u_int32_t cam_flags,
1365 				u_int32_t sense_flags);
1366 static void		daprevent(struct cam_periph *periph, int action);
1367 static void		dareprobe(struct cam_periph *periph);
1368 static void		dasetgeom(struct cam_periph *periph, uint32_t block_len,
1369 				  uint64_t maxsector,
1370 				  struct scsi_read_capacity_data_long *rcaplong,
1371 				  size_t rcap_size);
1372 static timeout_t	dasendorderedtag;
1373 static void		dashutdown(void *arg, int howto);
1374 static timeout_t	damediapoll;
1375 
1376 #ifndef	DA_DEFAULT_POLL_PERIOD
1377 #define	DA_DEFAULT_POLL_PERIOD	3
1378 #endif
1379 
1380 #ifndef DA_DEFAULT_TIMEOUT
1381 #define DA_DEFAULT_TIMEOUT 60	/* Timeout in seconds */
1382 #endif
1383 
1384 #ifndef DA_DEFAULT_SOFTTIMEOUT
1385 #define DA_DEFAULT_SOFTTIMEOUT	0
1386 #endif
1387 
1388 #ifndef	DA_DEFAULT_RETRY
1389 #define	DA_DEFAULT_RETRY	4
1390 #endif
1391 
1392 #ifndef	DA_DEFAULT_SEND_ORDERED
1393 #define	DA_DEFAULT_SEND_ORDERED	1
1394 #endif
1395 
1396 static int da_poll_period = DA_DEFAULT_POLL_PERIOD;
1397 static int da_retry_count = DA_DEFAULT_RETRY;
1398 static int da_default_timeout = DA_DEFAULT_TIMEOUT;
1399 static sbintime_t da_default_softtimeout = DA_DEFAULT_SOFTTIMEOUT;
1400 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED;
1401 
1402 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
1403             "CAM Direct Access Disk driver");
1404 SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RWTUN,
1405            &da_poll_period, 0, "Media polling period in seconds");
1406 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RWTUN,
1407            &da_retry_count, 0, "Normal I/O retry count");
1408 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RWTUN,
1409            &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
1410 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RWTUN,
1411            &da_send_ordered, 0, "Send Ordered Tags");
1412 
1413 SYSCTL_PROC(_kern_cam_da, OID_AUTO, default_softtimeout,
1414     CTLTYPE_UINT | CTLFLAG_RW, NULL, 0, dasysctlsofttimeout, "I",
1415     "Soft I/O timeout (ms)");
1416 TUNABLE_INT64("kern.cam.da.default_softtimeout", &da_default_softtimeout);
1417 
1418 /*
1419  * DA_ORDEREDTAG_INTERVAL determines how often, relative
1420  * to the default timeout, we check to see whether an ordered
1421  * tagged transaction is appropriate to prevent simple tag
1422  * starvation.  Since we'd like to ensure that there is at least
1423  * 1/2 of the timeout length left for a starved transaction to
1424  * complete after we've sent an ordered tag, we must poll at least
1425  * four times in every timeout period.  This takes care of the worst
1426  * case where a starved transaction starts during an interval that
1427  * meets the requirement "don't send an ordered tag" test so it takes
1428  * us two intervals to determine that a tag must be sent.
1429  */
1430 #ifndef DA_ORDEREDTAG_INTERVAL
1431 #define DA_ORDEREDTAG_INTERVAL 4
1432 #endif
1433 
1434 static struct periph_driver dadriver =
1435 {
1436 	dainit, "da",
1437 	TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
1438 };
1439 
1440 PERIPHDRIVER_DECLARE(da, dadriver);
1441 
1442 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
1443 
1444 static int
1445 daopen(struct disk *dp)
1446 {
1447 	struct cam_periph *periph;
1448 	struct da_softc *softc;
1449 	int error;
1450 
1451 	periph = (struct cam_periph *)dp->d_drv1;
1452 	if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
1453 		return (ENXIO);
1454 	}
1455 
1456 	cam_periph_lock(periph);
1457 	if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) {
1458 		cam_periph_unlock(periph);
1459 		cam_periph_release(periph);
1460 		return (error);
1461 	}
1462 
1463 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1464 	    ("daopen\n"));
1465 
1466 	softc = (struct da_softc *)periph->softc;
1467 	dareprobe(periph);
1468 
1469 	/* Wait for the disk size update.  */
1470 	error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO,
1471 	    "dareprobe", 0);
1472 	if (error != 0)
1473 		xpt_print(periph->path, "unable to retrieve capacity data\n");
1474 
1475 	if (periph->flags & CAM_PERIPH_INVALID)
1476 		error = ENXIO;
1477 
1478 	if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1479 	    (softc->quirks & DA_Q_NO_PREVENT) == 0)
1480 		daprevent(periph, PR_PREVENT);
1481 
1482 	if (error == 0) {
1483 		softc->flags &= ~DA_FLAG_PACK_INVALID;
1484 		softc->flags |= DA_FLAG_OPEN;
1485 	}
1486 
1487 	cam_periph_unhold(periph);
1488 	cam_periph_unlock(periph);
1489 
1490 	if (error != 0)
1491 		cam_periph_release(periph);
1492 
1493 	return (error);
1494 }
1495 
1496 static int
1497 daclose(struct disk *dp)
1498 {
1499 	struct	cam_periph *periph;
1500 	struct	da_softc *softc;
1501 	union	ccb *ccb;
1502 	int error;
1503 
1504 	periph = (struct cam_periph *)dp->d_drv1;
1505 	softc = (struct da_softc *)periph->softc;
1506 	cam_periph_lock(periph);
1507 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1508 	    ("daclose\n"));
1509 
1510 	if (cam_periph_hold(periph, PRIBIO) == 0) {
1511 
1512 		/* Flush disk cache. */
1513 		if ((softc->flags & DA_FLAG_DIRTY) != 0 &&
1514 		    (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 &&
1515 		    (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
1516 			ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1517 			scsi_synchronize_cache(&ccb->csio, /*retries*/1,
1518 			    /*cbfcnp*/dadone, MSG_SIMPLE_Q_TAG,
1519 			    /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE,
1520 			    5 * 60 * 1000);
1521 			error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
1522 			    /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR,
1523 			    softc->disk->d_devstat);
1524 			softc->flags &= ~DA_FLAG_DIRTY;
1525 			xpt_release_ccb(ccb);
1526 		}
1527 
1528 		/* Allow medium removal. */
1529 		if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1530 		    (softc->quirks & DA_Q_NO_PREVENT) == 0)
1531 			daprevent(periph, PR_ALLOW);
1532 
1533 		cam_periph_unhold(periph);
1534 	}
1535 
1536 	/*
1537 	 * If we've got removeable media, mark the blocksize as
1538 	 * unavailable, since it could change when new media is
1539 	 * inserted.
1540 	 */
1541 	if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)
1542 		softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1543 
1544 	softc->flags &= ~DA_FLAG_OPEN;
1545 	while (softc->refcount != 0)
1546 		cam_periph_sleep(periph, &softc->refcount, PRIBIO, "daclose", 1);
1547 	cam_periph_unlock(periph);
1548 	cam_periph_release(periph);
1549 	return (0);
1550 }
1551 
1552 static void
1553 daschedule(struct cam_periph *periph)
1554 {
1555 	struct da_softc *softc = (struct da_softc *)periph->softc;
1556 
1557 	if (softc->state != DA_STATE_NORMAL)
1558 		return;
1559 
1560 	cam_iosched_schedule(softc->cam_iosched, periph);
1561 }
1562 
1563 /*
1564  * Actually translate the requested transfer into one the physical driver
1565  * can understand.  The transfer is described by a buf and will include
1566  * only one physical transfer.
1567  */
1568 static void
1569 dastrategy(struct bio *bp)
1570 {
1571 	struct cam_periph *periph;
1572 	struct da_softc *softc;
1573 
1574 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1575 	softc = (struct da_softc *)periph->softc;
1576 
1577 	cam_periph_lock(periph);
1578 
1579 	/*
1580 	 * If the device has been made invalid, error out
1581 	 */
1582 	if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1583 		cam_periph_unlock(periph);
1584 		biofinish(bp, NULL, ENXIO);
1585 		return;
1586 	}
1587 
1588 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp));
1589 
1590 	/*
1591 	 * Zone commands must be ordered, because they can depend on the
1592 	 * effects of previously issued commands, and they may affect
1593 	 * commands after them.
1594 	 */
1595 	if (bp->bio_cmd == BIO_ZONE)
1596 		bp->bio_flags |= BIO_ORDERED;
1597 
1598 	/*
1599 	 * Place it in the queue of disk activities for this disk
1600 	 */
1601 	cam_iosched_queue_work(softc->cam_iosched, bp);
1602 
1603 	/*
1604 	 * Schedule ourselves for performing the work.
1605 	 */
1606 	daschedule(periph);
1607 	cam_periph_unlock(periph);
1608 
1609 	return;
1610 }
1611 
1612 static int
1613 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1614 {
1615 	struct	    cam_periph *periph;
1616 	struct	    da_softc *softc;
1617 	u_int	    secsize;
1618 	struct	    ccb_scsiio csio;
1619 	struct	    disk *dp;
1620 	int	    error = 0;
1621 
1622 	dp = arg;
1623 	periph = dp->d_drv1;
1624 	softc = (struct da_softc *)periph->softc;
1625 	cam_periph_lock(periph);
1626 	secsize = softc->params.secsize;
1627 
1628 	if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
1629 		cam_periph_unlock(periph);
1630 		return (ENXIO);
1631 	}
1632 
1633 	if (length > 0) {
1634 		xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1635 		csio.ccb_h.ccb_state = DA_CCB_DUMP;
1636 		scsi_read_write(&csio,
1637 				/*retries*/0,
1638 				dadone,
1639 				MSG_ORDERED_Q_TAG,
1640 				/*read*/SCSI_RW_WRITE,
1641 				/*byte2*/0,
1642 				/*minimum_cmd_size*/ softc->minimum_cmd_size,
1643 				offset / secsize,
1644 				length / secsize,
1645 				/*data_ptr*/(u_int8_t *) virtual,
1646 				/*dxfer_len*/length,
1647 				/*sense_len*/SSD_FULL_SIZE,
1648 				da_default_timeout * 1000);
1649 		xpt_polled_action((union ccb *)&csio);
1650 
1651 		error = cam_periph_error((union ccb *)&csio,
1652 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1653 		if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1654 			cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1655 			    /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1656 		if (error != 0)
1657 			printf("Aborting dump due to I/O error.\n");
1658 		cam_periph_unlock(periph);
1659 		return (error);
1660 	}
1661 
1662 	/*
1663 	 * Sync the disk cache contents to the physical media.
1664 	 */
1665 	if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1666 
1667 		xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1668 		csio.ccb_h.ccb_state = DA_CCB_DUMP;
1669 		scsi_synchronize_cache(&csio,
1670 				       /*retries*/0,
1671 				       /*cbfcnp*/dadone,
1672 				       MSG_SIMPLE_Q_TAG,
1673 				       /*begin_lba*/0,/* Cover the whole disk */
1674 				       /*lb_count*/0,
1675 				       SSD_FULL_SIZE,
1676 				       5 * 1000);
1677 		xpt_polled_action((union ccb *)&csio);
1678 
1679 		error = cam_periph_error((union ccb *)&csio,
1680 		    0, SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, NULL);
1681 		if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1682 			cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1683 			    /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1684 		if (error != 0)
1685 			xpt_print(periph->path, "Synchronize cache failed\n");
1686 	}
1687 	cam_periph_unlock(periph);
1688 	return (error);
1689 }
1690 
1691 static int
1692 dagetattr(struct bio *bp)
1693 {
1694 	int ret;
1695 	struct cam_periph *periph;
1696 
1697 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1698 	cam_periph_lock(periph);
1699 	ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1700 	    periph->path);
1701 	cam_periph_unlock(periph);
1702 	if (ret == 0)
1703 		bp->bio_completed = bp->bio_length;
1704 	return ret;
1705 }
1706 
1707 static void
1708 dainit(void)
1709 {
1710 	cam_status status;
1711 
1712 	/*
1713 	 * Install a global async callback.  This callback will
1714 	 * receive async callbacks like "new device found".
1715 	 */
1716 	status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
1717 
1718 	if (status != CAM_REQ_CMP) {
1719 		printf("da: Failed to attach master async callback "
1720 		       "due to status 0x%x!\n", status);
1721 	} else if (da_send_ordered) {
1722 
1723 		/* Register our shutdown event handler */
1724 		if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
1725 					   NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1726 		    printf("dainit: shutdown event registration failed!\n");
1727 	}
1728 }
1729 
1730 /*
1731  * Callback from GEOM, called when it has finished cleaning up its
1732  * resources.
1733  */
1734 static void
1735 dadiskgonecb(struct disk *dp)
1736 {
1737 	struct cam_periph *periph;
1738 
1739 	periph = (struct cam_periph *)dp->d_drv1;
1740 	cam_periph_release(periph);
1741 }
1742 
1743 static void
1744 daoninvalidate(struct cam_periph *periph)
1745 {
1746 	struct da_softc *softc;
1747 
1748 	softc = (struct da_softc *)periph->softc;
1749 
1750 	/*
1751 	 * De-register any async callbacks.
1752 	 */
1753 	xpt_register_async(0, daasync, periph, periph->path);
1754 
1755 	softc->flags |= DA_FLAG_PACK_INVALID;
1756 #ifdef CAM_IO_STATS
1757 	softc->invalidations++;
1758 #endif
1759 
1760 	/*
1761 	 * Return all queued I/O with ENXIO.
1762 	 * XXX Handle any transactions queued to the card
1763 	 *     with XPT_ABORT_CCB.
1764 	 */
1765 	cam_iosched_flush(softc->cam_iosched, NULL, ENXIO);
1766 
1767 	/*
1768 	 * Tell GEOM that we've gone away, we'll get a callback when it is
1769 	 * done cleaning up its resources.
1770 	 */
1771 	disk_gone(softc->disk);
1772 }
1773 
1774 static void
1775 dacleanup(struct cam_periph *periph)
1776 {
1777 	struct da_softc *softc;
1778 
1779 	softc = (struct da_softc *)periph->softc;
1780 
1781 	cam_periph_unlock(periph);
1782 
1783 	cam_iosched_fini(softc->cam_iosched);
1784 
1785 	/*
1786 	 * If we can't free the sysctl tree, oh well...
1787 	 */
1788 	if ((softc->flags & DA_FLAG_SCTX_INIT) != 0) {
1789 #ifdef CAM_IO_STATS
1790 		if (sysctl_ctx_free(&softc->sysctl_stats_ctx) != 0)
1791 			xpt_print(periph->path,
1792 			    "can't remove sysctl stats context\n");
1793 #endif
1794 		if (sysctl_ctx_free(&softc->sysctl_ctx) != 0)
1795 			xpt_print(periph->path,
1796 			    "can't remove sysctl context\n");
1797 	}
1798 
1799 	callout_drain(&softc->mediapoll_c);
1800 	disk_destroy(softc->disk);
1801 	callout_drain(&softc->sendordered_c);
1802 	free(softc, M_DEVBUF);
1803 	cam_periph_lock(periph);
1804 }
1805 
1806 static void
1807 daasync(void *callback_arg, u_int32_t code,
1808 	struct cam_path *path, void *arg)
1809 {
1810 	struct cam_periph *periph;
1811 	struct da_softc *softc;
1812 
1813 	periph = (struct cam_periph *)callback_arg;
1814 	switch (code) {
1815 	case AC_FOUND_DEVICE:
1816 	{
1817 		struct ccb_getdev *cgd;
1818 		cam_status status;
1819 
1820 		cgd = (struct ccb_getdev *)arg;
1821 		if (cgd == NULL)
1822 			break;
1823 
1824 		if (cgd->protocol != PROTO_SCSI)
1825 			break;
1826 		if (SID_QUAL(&cgd->inq_data) != SID_QUAL_LU_CONNECTED)
1827 			break;
1828 		if (SID_TYPE(&cgd->inq_data) != T_DIRECT
1829 		    && SID_TYPE(&cgd->inq_data) != T_RBC
1830 		    && SID_TYPE(&cgd->inq_data) != T_OPTICAL
1831 		    && SID_TYPE(&cgd->inq_data) != T_ZBC_HM)
1832 			break;
1833 
1834 		/*
1835 		 * Allocate a peripheral instance for
1836 		 * this device and start the probe
1837 		 * process.
1838 		 */
1839 		status = cam_periph_alloc(daregister, daoninvalidate,
1840 					  dacleanup, dastart,
1841 					  "da", CAM_PERIPH_BIO,
1842 					  path, daasync,
1843 					  AC_FOUND_DEVICE, cgd);
1844 
1845 		if (status != CAM_REQ_CMP
1846 		 && status != CAM_REQ_INPROG)
1847 			printf("daasync: Unable to attach to new device "
1848 				"due to status 0x%x\n", status);
1849 		return;
1850 	}
1851 	case AC_ADVINFO_CHANGED:
1852 	{
1853 		uintptr_t buftype;
1854 
1855 		buftype = (uintptr_t)arg;
1856 		if (buftype == CDAI_TYPE_PHYS_PATH) {
1857 			struct da_softc *softc;
1858 
1859 			softc = periph->softc;
1860 			disk_attr_changed(softc->disk, "GEOM::physpath",
1861 					  M_NOWAIT);
1862 		}
1863 		break;
1864 	}
1865 	case AC_UNIT_ATTENTION:
1866 	{
1867 		union ccb *ccb;
1868 		int error_code, sense_key, asc, ascq;
1869 
1870 		softc = (struct da_softc *)periph->softc;
1871 		ccb = (union ccb *)arg;
1872 
1873 		/*
1874 		 * Handle all UNIT ATTENTIONs except our own,
1875 		 * as they will be handled by daerror().
1876 		 */
1877 		if (xpt_path_periph(ccb->ccb_h.path) != periph &&
1878 		    scsi_extract_sense_ccb(ccb,
1879 		     &error_code, &sense_key, &asc, &ascq)) {
1880 			if (asc == 0x2A && ascq == 0x09) {
1881 				xpt_print(ccb->ccb_h.path,
1882 				    "Capacity data has changed\n");
1883 				softc->flags &= ~DA_FLAG_PROBED;
1884 				dareprobe(periph);
1885 			} else if (asc == 0x28 && ascq == 0x00) {
1886 				softc->flags &= ~DA_FLAG_PROBED;
1887 				disk_media_changed(softc->disk, M_NOWAIT);
1888 			} else if (asc == 0x3F && ascq == 0x03) {
1889 				xpt_print(ccb->ccb_h.path,
1890 				    "INQUIRY data has changed\n");
1891 				softc->flags &= ~DA_FLAG_PROBED;
1892 				dareprobe(periph);
1893 			}
1894 		}
1895 		cam_periph_async(periph, code, path, arg);
1896 		break;
1897 	}
1898 	case AC_SCSI_AEN:
1899 		softc = (struct da_softc *)periph->softc;
1900 		if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR)) {
1901 			if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
1902 				cam_iosched_set_work_flags(softc->cam_iosched, DA_WORK_TUR);
1903 				daschedule(periph);
1904 			}
1905 		}
1906 		/* FALLTHROUGH */
1907 	case AC_SENT_BDR:
1908 	case AC_BUS_RESET:
1909 	{
1910 		struct ccb_hdr *ccbh;
1911 
1912 		softc = (struct da_softc *)periph->softc;
1913 		/*
1914 		 * Don't fail on the expected unit attention
1915 		 * that will occur.
1916 		 */
1917 		softc->flags |= DA_FLAG_RETRY_UA;
1918 		LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
1919 			ccbh->ccb_state |= DA_CCB_RETRY_UA;
1920 		break;
1921 	}
1922 	case AC_INQ_CHANGED:
1923 		softc = (struct da_softc *)periph->softc;
1924 		softc->flags &= ~DA_FLAG_PROBED;
1925 		dareprobe(periph);
1926 		break;
1927 	default:
1928 		break;
1929 	}
1930 	cam_periph_async(periph, code, path, arg);
1931 }
1932 
1933 static void
1934 dasysctlinit(void *context, int pending)
1935 {
1936 	struct cam_periph *periph;
1937 	struct da_softc *softc;
1938 	char tmpstr[80], tmpstr2[80];
1939 	struct ccb_trans_settings cts;
1940 
1941 	periph = (struct cam_periph *)context;
1942 	/*
1943 	 * periph was held for us when this task was enqueued
1944 	 */
1945 	if (periph->flags & CAM_PERIPH_INVALID) {
1946 		cam_periph_release(periph);
1947 		return;
1948 	}
1949 
1950 	softc = (struct da_softc *)periph->softc;
1951 	snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
1952 	snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1953 
1954 	sysctl_ctx_init(&softc->sysctl_ctx);
1955 	softc->flags |= DA_FLAG_SCTX_INIT;
1956 	softc->sysctl_tree = SYSCTL_ADD_NODE_WITH_LABEL(&softc->sysctl_ctx,
1957 		SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
1958 		CTLFLAG_RD, 0, tmpstr, "device_index");
1959 	if (softc->sysctl_tree == NULL) {
1960 		printf("dasysctlinit: unable to allocate sysctl tree\n");
1961 		cam_periph_release(periph);
1962 		return;
1963 	}
1964 
1965 	/*
1966 	 * Now register the sysctl handler, so the user can change the value on
1967 	 * the fly.
1968 	 */
1969 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1970 		OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RWTUN,
1971 		softc, 0, dadeletemethodsysctl, "A",
1972 		"BIO_DELETE execution method");
1973 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1974 		OID_AUTO, "delete_max", CTLTYPE_U64 | CTLFLAG_RW,
1975 		softc, 0, dadeletemaxsysctl, "Q",
1976 		"Maximum BIO_DELETE size");
1977 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1978 		OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
1979 		&softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
1980 		"Minimum CDB size");
1981 
1982 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1983 		OID_AUTO, "zone_mode", CTLTYPE_STRING | CTLFLAG_RD,
1984 		softc, 0, dazonemodesysctl, "A",
1985 		"Zone Mode");
1986 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1987 		OID_AUTO, "zone_support", CTLTYPE_STRING | CTLFLAG_RD,
1988 		softc, 0, dazonesupsysctl, "A",
1989 		"Zone Support");
1990 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1991 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1992 		"optimal_seq_zones", CTLFLAG_RD, &softc->optimal_seq_zones,
1993 		"Optimal Number of Open Sequential Write Preferred Zones");
1994 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1995 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1996 		"optimal_nonseq_zones", CTLFLAG_RD,
1997 		&softc->optimal_nonseq_zones,
1998 		"Optimal Number of Non-Sequentially Written Sequential Write "
1999 		"Preferred Zones");
2000 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2001 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2002 		"max_seq_zones", CTLFLAG_RD, &softc->max_seq_zones,
2003 		"Maximum Number of Open Sequential Write Required Zones");
2004 
2005 	SYSCTL_ADD_INT(&softc->sysctl_ctx,
2006 		       SYSCTL_CHILDREN(softc->sysctl_tree),
2007 		       OID_AUTO,
2008 		       "error_inject",
2009 		       CTLFLAG_RW,
2010 		       &softc->error_inject,
2011 		       0,
2012 		       "error_inject leaf");
2013 
2014 	SYSCTL_ADD_INT(&softc->sysctl_ctx,
2015 		       SYSCTL_CHILDREN(softc->sysctl_tree),
2016 		       OID_AUTO,
2017 		       "unmapped_io",
2018 		       CTLFLAG_RD,
2019 		       &softc->unmappedio,
2020 		       0,
2021 		       "Unmapped I/O leaf");
2022 
2023 	SYSCTL_ADD_INT(&softc->sysctl_ctx,
2024 		       SYSCTL_CHILDREN(softc->sysctl_tree),
2025 		       OID_AUTO,
2026 		       "rotating",
2027 		       CTLFLAG_RD,
2028 		       &softc->rotating,
2029 		       0,
2030 		       "Rotating media");
2031 
2032 	/*
2033 	 * Add some addressing info.
2034 	 */
2035 	memset(&cts, 0, sizeof (cts));
2036 	xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
2037 	cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
2038 	cts.type = CTS_TYPE_CURRENT_SETTINGS;
2039 	cam_periph_lock(periph);
2040 	xpt_action((union ccb *)&cts);
2041 	cam_periph_unlock(periph);
2042 	if (cts.ccb_h.status != CAM_REQ_CMP) {
2043 		cam_periph_release(periph);
2044 		return;
2045 	}
2046 	if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) {
2047 		struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc;
2048 		if (fc->valid & CTS_FC_VALID_WWPN) {
2049 			softc->wwpn = fc->wwpn;
2050 			SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2051 			    SYSCTL_CHILDREN(softc->sysctl_tree),
2052 			    OID_AUTO, "wwpn", CTLFLAG_RD,
2053 			    &softc->wwpn, "World Wide Port Name");
2054 		}
2055 	}
2056 
2057 #ifdef CAM_IO_STATS
2058 	/*
2059 	 * Now add some useful stats.
2060 	 * XXX These should live in cam_periph and be common to all periphs
2061 	 */
2062 	softc->sysctl_stats_tree = SYSCTL_ADD_NODE(&softc->sysctl_stats_ctx,
2063 	    SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "stats",
2064 	    CTLFLAG_RD, 0, "Statistics");
2065 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2066 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2067 		       OID_AUTO,
2068 		       "errors",
2069 		       CTLFLAG_RD,
2070 		       &softc->errors,
2071 		       0,
2072 		       "Transport errors reported by the SIM");
2073 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2074 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2075 		       OID_AUTO,
2076 		       "timeouts",
2077 		       CTLFLAG_RD,
2078 		       &softc->timeouts,
2079 		       0,
2080 		       "Device timeouts reported by the SIM");
2081 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2082 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2083 		       OID_AUTO,
2084 		       "pack_invalidations",
2085 		       CTLFLAG_RD,
2086 		       &softc->invalidations,
2087 		       0,
2088 		       "Device pack invalidations");
2089 #endif
2090 
2091 	cam_iosched_sysctl_init(softc->cam_iosched, &softc->sysctl_ctx,
2092 	    softc->sysctl_tree);
2093 
2094 	cam_periph_release(periph);
2095 }
2096 
2097 static int
2098 dadeletemaxsysctl(SYSCTL_HANDLER_ARGS)
2099 {
2100 	int error;
2101 	uint64_t value;
2102 	struct da_softc *softc;
2103 
2104 	softc = (struct da_softc *)arg1;
2105 
2106 	value = softc->disk->d_delmaxsize;
2107 	error = sysctl_handle_64(oidp, &value, 0, req);
2108 	if ((error != 0) || (req->newptr == NULL))
2109 		return (error);
2110 
2111 	/* only accept values smaller than the calculated value */
2112 	if (value > dadeletemaxsize(softc, softc->delete_method)) {
2113 		return (EINVAL);
2114 	}
2115 	softc->disk->d_delmaxsize = value;
2116 
2117 	return (0);
2118 }
2119 
2120 static int
2121 dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
2122 {
2123 	int error, value;
2124 
2125 	value = *(int *)arg1;
2126 
2127 	error = sysctl_handle_int(oidp, &value, 0, req);
2128 
2129 	if ((error != 0)
2130 	 || (req->newptr == NULL))
2131 		return (error);
2132 
2133 	/*
2134 	 * Acceptable values here are 6, 10, 12 or 16.
2135 	 */
2136 	if (value < 6)
2137 		value = 6;
2138 	else if ((value > 6)
2139 	      && (value <= 10))
2140 		value = 10;
2141 	else if ((value > 10)
2142 	      && (value <= 12))
2143 		value = 12;
2144 	else if (value > 12)
2145 		value = 16;
2146 
2147 	*(int *)arg1 = value;
2148 
2149 	return (0);
2150 }
2151 
2152 static int
2153 dasysctlsofttimeout(SYSCTL_HANDLER_ARGS)
2154 {
2155 	sbintime_t value;
2156 	int error;
2157 
2158 	value = da_default_softtimeout / SBT_1MS;
2159 
2160 	error = sysctl_handle_int(oidp, (int *)&value, 0, req);
2161 	if ((error != 0) || (req->newptr == NULL))
2162 		return (error);
2163 
2164 	/* XXX Should clip this to a reasonable level */
2165 	if (value > da_default_timeout * 1000)
2166 		return (EINVAL);
2167 
2168 	da_default_softtimeout = value * SBT_1MS;
2169 	return (0);
2170 }
2171 
2172 static void
2173 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method)
2174 {
2175 
2176 	softc->delete_method = delete_method;
2177 	softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method);
2178 	softc->delete_func = da_delete_functions[delete_method];
2179 
2180 	if (softc->delete_method > DA_DELETE_DISABLE)
2181 		softc->disk->d_flags |= DISKFLAG_CANDELETE;
2182 	else
2183 		softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
2184 }
2185 
2186 static off_t
2187 dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method)
2188 {
2189 	off_t sectors;
2190 
2191 	switch(delete_method) {
2192 	case DA_DELETE_UNMAP:
2193 		sectors = (off_t)softc->unmap_max_lba;
2194 		break;
2195 	case DA_DELETE_ATA_TRIM:
2196 		sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
2197 		break;
2198 	case DA_DELETE_WS16:
2199 		sectors = omin(softc->ws_max_blks, WS16_MAX_BLKS);
2200 		break;
2201 	case DA_DELETE_ZERO:
2202 	case DA_DELETE_WS10:
2203 		sectors = omin(softc->ws_max_blks, WS10_MAX_BLKS);
2204 		break;
2205 	default:
2206 		return 0;
2207 	}
2208 
2209 	return (off_t)softc->params.secsize *
2210 	    omin(sectors, softc->params.sectors);
2211 }
2212 
2213 static void
2214 daprobedone(struct cam_periph *periph, union ccb *ccb)
2215 {
2216 	struct da_softc *softc;
2217 
2218 	softc = (struct da_softc *)periph->softc;
2219 
2220 	dadeletemethodchoose(softc, DA_DELETE_NONE);
2221 
2222 	if (bootverbose && (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2223 		char buf[80];
2224 		int i, sep;
2225 
2226 		snprintf(buf, sizeof(buf), "Delete methods: <");
2227 		sep = 0;
2228 		for (i = 0; i <= DA_DELETE_MAX; i++) {
2229 			if ((softc->delete_available & (1 << i)) == 0 &&
2230 			    i != softc->delete_method)
2231 				continue;
2232 			if (sep)
2233 				strlcat(buf, ",", sizeof(buf));
2234 			strlcat(buf, da_delete_method_names[i],
2235 			    sizeof(buf));
2236 			if (i == softc->delete_method)
2237 				strlcat(buf, "(*)", sizeof(buf));
2238 			sep = 1;
2239 		}
2240 		strlcat(buf, ">", sizeof(buf));
2241 		printf("%s%d: %s\n", periph->periph_name,
2242 		    periph->unit_number, buf);
2243 	}
2244 
2245 	/*
2246 	 * Since our peripheral may be invalidated by an error
2247 	 * above or an external event, we must release our CCB
2248 	 * before releasing the probe lock on the peripheral.
2249 	 * The peripheral will only go away once the last lock
2250 	 * is removed, and we need it around for the CCB release
2251 	 * operation.
2252 	 */
2253 	xpt_release_ccb(ccb);
2254 	softc->state = DA_STATE_NORMAL;
2255 	softc->flags |= DA_FLAG_PROBED;
2256 	daschedule(periph);
2257 	wakeup(&softc->disk->d_mediasize);
2258 	if ((softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2259 		softc->flags |= DA_FLAG_ANNOUNCED;
2260 		cam_periph_unhold(periph);
2261 	} else
2262 		cam_periph_release_locked(periph);
2263 }
2264 
2265 static void
2266 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method)
2267 {
2268 	int i, methods;
2269 
2270 	/* If available, prefer the method requested by user. */
2271 	i = softc->delete_method_pref;
2272 	methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
2273 	if (methods & (1 << i)) {
2274 		dadeletemethodset(softc, i);
2275 		return;
2276 	}
2277 
2278 	/* Use the pre-defined order to choose the best performing delete. */
2279 	for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
2280 		if (i == DA_DELETE_ZERO)
2281 			continue;
2282 		if (softc->delete_available & (1 << i)) {
2283 			dadeletemethodset(softc, i);
2284 			return;
2285 		}
2286 	}
2287 
2288 	/* Fallback to default. */
2289 	dadeletemethodset(softc, default_method);
2290 }
2291 
2292 static int
2293 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
2294 {
2295 	char buf[16];
2296 	const char *p;
2297 	struct da_softc *softc;
2298 	int i, error, methods, value;
2299 
2300 	softc = (struct da_softc *)arg1;
2301 
2302 	value = softc->delete_method;
2303 	if (value < 0 || value > DA_DELETE_MAX)
2304 		p = "UNKNOWN";
2305 	else
2306 		p = da_delete_method_names[value];
2307 	strncpy(buf, p, sizeof(buf));
2308 	error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
2309 	if (error != 0 || req->newptr == NULL)
2310 		return (error);
2311 	methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
2312 	for (i = 0; i <= DA_DELETE_MAX; i++) {
2313 		if (strcmp(buf, da_delete_method_names[i]) == 0)
2314 			break;
2315 	}
2316 	if (i > DA_DELETE_MAX)
2317 		return (EINVAL);
2318 	softc->delete_method_pref = i;
2319 	dadeletemethodchoose(softc, DA_DELETE_NONE);
2320 	return (0);
2321 }
2322 
2323 static int
2324 dazonemodesysctl(SYSCTL_HANDLER_ARGS)
2325 {
2326 	char tmpbuf[40];
2327 	struct da_softc *softc;
2328 	int error;
2329 
2330 	softc = (struct da_softc *)arg1;
2331 
2332 	switch (softc->zone_mode) {
2333 	case DA_ZONE_DRIVE_MANAGED:
2334 		snprintf(tmpbuf, sizeof(tmpbuf), "Drive Managed");
2335 		break;
2336 	case DA_ZONE_HOST_AWARE:
2337 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Aware");
2338 		break;
2339 	case DA_ZONE_HOST_MANAGED:
2340 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Managed");
2341 		break;
2342 	case DA_ZONE_NONE:
2343 	default:
2344 		snprintf(tmpbuf, sizeof(tmpbuf), "Not Zoned");
2345 		break;
2346 	}
2347 
2348 	error = sysctl_handle_string(oidp, tmpbuf, sizeof(tmpbuf), req);
2349 
2350 	return (error);
2351 }
2352 
2353 static int
2354 dazonesupsysctl(SYSCTL_HANDLER_ARGS)
2355 {
2356 	char tmpbuf[180];
2357 	struct da_softc *softc;
2358 	struct sbuf sb;
2359 	int error, first;
2360 	unsigned int i;
2361 
2362 	softc = (struct da_softc *)arg1;
2363 
2364 	error = 0;
2365 	first = 1;
2366 	sbuf_new(&sb, tmpbuf, sizeof(tmpbuf), 0);
2367 
2368 	for (i = 0; i < sizeof(da_zone_desc_table) /
2369 	     sizeof(da_zone_desc_table[0]); i++) {
2370 		if (softc->zone_flags & da_zone_desc_table[i].value) {
2371 			if (first == 0)
2372 				sbuf_printf(&sb, ", ");
2373 			else
2374 				first = 0;
2375 			sbuf_cat(&sb, da_zone_desc_table[i].desc);
2376 		}
2377 	}
2378 
2379 	if (first == 1)
2380 		sbuf_printf(&sb, "None");
2381 
2382 	sbuf_finish(&sb);
2383 
2384 	error = sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
2385 
2386 	return (error);
2387 }
2388 
2389 static cam_status
2390 daregister(struct cam_periph *periph, void *arg)
2391 {
2392 	struct da_softc *softc;
2393 	struct ccb_pathinq cpi;
2394 	struct ccb_getdev *cgd;
2395 	char tmpstr[80];
2396 	caddr_t match;
2397 
2398 	cgd = (struct ccb_getdev *)arg;
2399 	if (cgd == NULL) {
2400 		printf("daregister: no getdev CCB, can't register device\n");
2401 		return(CAM_REQ_CMP_ERR);
2402 	}
2403 
2404 	softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
2405 	    M_NOWAIT|M_ZERO);
2406 
2407 	if (softc == NULL) {
2408 		printf("daregister: Unable to probe new device. "
2409 		       "Unable to allocate softc\n");
2410 		return(CAM_REQ_CMP_ERR);
2411 	}
2412 
2413 	if (cam_iosched_init(&softc->cam_iosched, periph) != 0) {
2414 		printf("daregister: Unable to probe new device. "
2415 		       "Unable to allocate iosched memory\n");
2416 		free(softc, M_DEVBUF);
2417 		return(CAM_REQ_CMP_ERR);
2418 	}
2419 
2420 	LIST_INIT(&softc->pending_ccbs);
2421 	softc->state = DA_STATE_PROBE_RC;
2422 	bioq_init(&softc->delete_run_queue);
2423 	if (SID_IS_REMOVABLE(&cgd->inq_data))
2424 		softc->flags |= DA_FLAG_PACK_REMOVABLE;
2425 	softc->unmap_max_ranges = UNMAP_MAX_RANGES;
2426 	softc->unmap_max_lba = UNMAP_RANGE_MAX;
2427 	softc->unmap_gran = 0;
2428 	softc->unmap_gran_align = 0;
2429 	softc->ws_max_blks = WS16_MAX_BLKS;
2430 	softc->trim_max_ranges = ATA_TRIM_MAX_RANGES;
2431 	softc->rotating = 1;
2432 
2433 	periph->softc = softc;
2434 
2435 	/*
2436 	 * See if this device has any quirks.
2437 	 */
2438 	match = cam_quirkmatch((caddr_t)&cgd->inq_data,
2439 			       (caddr_t)da_quirk_table,
2440 			       nitems(da_quirk_table),
2441 			       sizeof(*da_quirk_table), scsi_inquiry_match);
2442 
2443 	if (match != NULL)
2444 		softc->quirks = ((struct da_quirk_entry *)match)->quirks;
2445 	else
2446 		softc->quirks = DA_Q_NONE;
2447 
2448 	/* Check if the SIM does not want 6 byte commands */
2449 	bzero(&cpi, sizeof(cpi));
2450 	xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
2451 	cpi.ccb_h.func_code = XPT_PATH_INQ;
2452 	xpt_action((union ccb *)&cpi);
2453 	if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
2454 		softc->quirks |= DA_Q_NO_6_BYTE;
2455 
2456 	if (SID_TYPE(&cgd->inq_data) == T_ZBC_HM)
2457 		softc->zone_mode = DA_ZONE_HOST_MANAGED;
2458 	else if (softc->quirks & DA_Q_SMR_DM)
2459 		softc->zone_mode = DA_ZONE_DRIVE_MANAGED;
2460 	else
2461 		softc->zone_mode = DA_ZONE_NONE;
2462 
2463 	if (softc->zone_mode != DA_ZONE_NONE) {
2464 		if (scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
2465 			if (scsi_vpd_supported_page(periph, SVPD_ZONED_BDC))
2466 				softc->zone_interface = DA_ZONE_IF_ATA_SAT;
2467 			else
2468 				softc->zone_interface = DA_ZONE_IF_ATA_PASS;
2469 		} else
2470 			softc->zone_interface = DA_ZONE_IF_SCSI;
2471 	}
2472 
2473 	TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
2474 
2475 	/*
2476 	 * Take an exclusive refcount on the periph while dastart is called
2477 	 * to finish the probe.  The reference will be dropped in dadone at
2478 	 * the end of probe.
2479 	 */
2480 	(void)cam_periph_hold(periph, PRIBIO);
2481 
2482 	/*
2483 	 * Schedule a periodic event to occasionally send an
2484 	 * ordered tag to a device.
2485 	 */
2486 	callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
2487 	callout_reset(&softc->sendordered_c,
2488 	    (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
2489 	    dasendorderedtag, softc);
2490 
2491 	cam_periph_unlock(periph);
2492 	/*
2493 	 * RBC devices don't have to support READ(6), only READ(10).
2494 	 */
2495 	if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
2496 		softc->minimum_cmd_size = 10;
2497 	else
2498 		softc->minimum_cmd_size = 6;
2499 
2500 	/*
2501 	 * Load the user's default, if any.
2502 	 */
2503 	snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
2504 		 periph->unit_number);
2505 	TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
2506 
2507 	/*
2508 	 * 6, 10, 12 and 16 are the currently permissible values.
2509 	 */
2510 	if (softc->minimum_cmd_size > 12)
2511 		softc->minimum_cmd_size = 16;
2512 	else if (softc->minimum_cmd_size > 10)
2513 		softc->minimum_cmd_size = 12;
2514 	else if (softc->minimum_cmd_size > 6)
2515 		softc->minimum_cmd_size = 10;
2516 	else
2517 		softc->minimum_cmd_size = 6;
2518 
2519 	/* Predict whether device may support READ CAPACITY(16). */
2520 	if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 &&
2521 	    (softc->quirks & DA_Q_NO_RC16) == 0) {
2522 		softc->flags |= DA_FLAG_CAN_RC16;
2523 		softc->state = DA_STATE_PROBE_RC16;
2524 	}
2525 
2526 	/*
2527 	 * Register this media as a disk.
2528 	 */
2529 	softc->disk = disk_alloc();
2530 	softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
2531 			  periph->unit_number, 0,
2532 			  DEVSTAT_BS_UNAVAILABLE,
2533 			  SID_TYPE(&cgd->inq_data) |
2534 			  XPORT_DEVSTAT_TYPE(cpi.transport),
2535 			  DEVSTAT_PRIORITY_DISK);
2536 	softc->disk->d_open = daopen;
2537 	softc->disk->d_close = daclose;
2538 	softc->disk->d_strategy = dastrategy;
2539 	softc->disk->d_dump = dadump;
2540 	softc->disk->d_getattr = dagetattr;
2541 	softc->disk->d_gone = dadiskgonecb;
2542 	softc->disk->d_name = "da";
2543 	softc->disk->d_drv1 = periph;
2544 	if (cpi.maxio == 0)
2545 		softc->maxio = DFLTPHYS;	/* traditional default */
2546 	else if (cpi.maxio > MAXPHYS)
2547 		softc->maxio = MAXPHYS;		/* for safety */
2548 	else
2549 		softc->maxio = cpi.maxio;
2550 	softc->disk->d_maxsize = softc->maxio;
2551 	softc->disk->d_unit = periph->unit_number;
2552 	softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION | DISKFLAG_CANZONE;
2553 	if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
2554 		softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
2555 	if ((cpi.hba_misc & PIM_UNMAPPED) != 0) {
2556 		softc->unmappedio = 1;
2557 		softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
2558 	}
2559 	cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
2560 	    sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
2561 	strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
2562 	cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
2563 	    cgd->inq_data.product, sizeof(cgd->inq_data.product),
2564 	    sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
2565 	softc->disk->d_hba_vendor = cpi.hba_vendor;
2566 	softc->disk->d_hba_device = cpi.hba_device;
2567 	softc->disk->d_hba_subvendor = cpi.hba_subvendor;
2568 	softc->disk->d_hba_subdevice = cpi.hba_subdevice;
2569 
2570 	/*
2571 	 * Acquire a reference to the periph before we register with GEOM.
2572 	 * We'll release this reference once GEOM calls us back (via
2573 	 * dadiskgonecb()) telling us that our provider has been freed.
2574 	 */
2575 	if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
2576 		xpt_print(periph->path, "%s: lost periph during "
2577 			  "registration!\n", __func__);
2578 		cam_periph_lock(periph);
2579 		return (CAM_REQ_CMP_ERR);
2580 	}
2581 
2582 	disk_create(softc->disk, DISK_VERSION);
2583 	cam_periph_lock(periph);
2584 
2585 	/*
2586 	 * Add async callbacks for events of interest.
2587 	 * I don't bother checking if this fails as,
2588 	 * in most cases, the system will function just
2589 	 * fine without them and the only alternative
2590 	 * would be to not attach the device on failure.
2591 	 */
2592 	xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
2593 	    AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION |
2594 	    AC_INQ_CHANGED, daasync, periph, periph->path);
2595 
2596 	/*
2597 	 * Emit an attribute changed notification just in case
2598 	 * physical path information arrived before our async
2599 	 * event handler was registered, but after anyone attaching
2600 	 * to our disk device polled it.
2601 	 */
2602 	disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT);
2603 
2604 	/*
2605 	 * Schedule a periodic media polling events.
2606 	 */
2607 	callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0);
2608 	if ((softc->flags & DA_FLAG_PACK_REMOVABLE) &&
2609 	    (cgd->inq_flags & SID_AEN) == 0 &&
2610 	    da_poll_period != 0)
2611 		callout_reset(&softc->mediapoll_c, da_poll_period * hz,
2612 		    damediapoll, periph);
2613 
2614 	xpt_schedule(periph, CAM_PRIORITY_DEV);
2615 
2616 	return(CAM_REQ_CMP);
2617 }
2618 
2619 static int
2620 da_zone_bio_to_scsi(int disk_zone_cmd)
2621 {
2622 	switch (disk_zone_cmd) {
2623 	case DISK_ZONE_OPEN:
2624 		return ZBC_OUT_SA_OPEN;
2625 	case DISK_ZONE_CLOSE:
2626 		return ZBC_OUT_SA_CLOSE;
2627 	case DISK_ZONE_FINISH:
2628 		return ZBC_OUT_SA_FINISH;
2629 	case DISK_ZONE_RWP:
2630 		return ZBC_OUT_SA_RWP;
2631 	}
2632 
2633 	return -1;
2634 }
2635 
2636 static int
2637 da_zone_cmd(struct cam_periph *periph, union ccb *ccb, struct bio *bp,
2638 	    int *queue_ccb)
2639 {
2640 	struct da_softc *softc;
2641 	int error;
2642 
2643 	error = 0;
2644 
2645 	if (bp->bio_cmd != BIO_ZONE) {
2646 		error = EINVAL;
2647 		goto bailout;
2648 	}
2649 
2650 	softc = periph->softc;
2651 
2652 	switch (bp->bio_zone.zone_cmd) {
2653 	case DISK_ZONE_OPEN:
2654 	case DISK_ZONE_CLOSE:
2655 	case DISK_ZONE_FINISH:
2656 	case DISK_ZONE_RWP: {
2657 		int zone_flags;
2658 		int zone_sa;
2659 		uint64_t lba;
2660 
2661 		zone_sa = da_zone_bio_to_scsi(bp->bio_zone.zone_cmd);
2662 		if (zone_sa == -1) {
2663 			xpt_print(periph->path, "Cannot translate zone "
2664 			    "cmd %#x to SCSI\n", bp->bio_zone.zone_cmd);
2665 			error = EINVAL;
2666 			goto bailout;
2667 		}
2668 
2669 		zone_flags = 0;
2670 		lba = bp->bio_zone.zone_params.rwp.id;
2671 
2672 		if (bp->bio_zone.zone_params.rwp.flags &
2673 		    DISK_ZONE_RWP_FLAG_ALL)
2674 			zone_flags |= ZBC_OUT_ALL;
2675 
2676 		if (softc->zone_interface != DA_ZONE_IF_ATA_PASS) {
2677 			scsi_zbc_out(&ccb->csio,
2678 				     /*retries*/ da_retry_count,
2679 				     /*cbfcnp*/ dadone,
2680 				     /*tag_action*/ MSG_SIMPLE_Q_TAG,
2681 				     /*service_action*/ zone_sa,
2682 				     /*zone_id*/ lba,
2683 				     /*zone_flags*/ zone_flags,
2684 				     /*data_ptr*/ NULL,
2685 				     /*dxfer_len*/ 0,
2686 				     /*sense_len*/ SSD_FULL_SIZE,
2687 				     /*timeout*/ da_default_timeout * 1000);
2688 		} else {
2689 			/*
2690 			 * Note that in this case, even though we can
2691 			 * technically use NCQ, we don't bother for several
2692 			 * reasons:
2693 			 * 1. It hasn't been tested on a SAT layer that
2694 			 *    supports it.  This is new as of SAT-4.
2695 			 * 2. Even when there is a SAT layer that supports
2696 			 *    it, that SAT layer will also probably support
2697 			 *    ZBC -> ZAC translation, since they are both
2698 			 *    in the SAT-4 spec.
2699 			 * 3. Translation will likely be preferable to ATA
2700 			 *    passthrough.  LSI / Avago at least single
2701 			 *    steps ATA passthrough commands in the HBA,
2702 			 *    regardless of protocol, so unless that
2703 			 *    changes, there is a performance penalty for
2704 			 *    doing ATA passthrough no matter whether
2705 			 *    you're using NCQ/FPDMA, DMA or PIO.
2706 			 * 4. It requires a 32-byte CDB, which at least at
2707 			 *    this point in CAM requires a CDB pointer, which
2708 			 *    would require us to allocate an additional bit
2709 			 *    of storage separate from the CCB.
2710 			 */
2711 			error = scsi_ata_zac_mgmt_out(&ccb->csio,
2712 			    /*retries*/ da_retry_count,
2713 			    /*cbfcnp*/ dadone,
2714 			    /*tag_action*/ MSG_SIMPLE_Q_TAG,
2715 			    /*use_ncq*/ 0,
2716 			    /*zm_action*/ zone_sa,
2717 			    /*zone_id*/ lba,
2718 			    /*zone_flags*/ zone_flags,
2719 			    /*data_ptr*/ NULL,
2720 			    /*dxfer_len*/ 0,
2721 			    /*cdb_storage*/ NULL,
2722 			    /*cdb_storage_len*/ 0,
2723 			    /*sense_len*/ SSD_FULL_SIZE,
2724 			    /*timeout*/ da_default_timeout * 1000);
2725 			if (error != 0) {
2726 				error = EINVAL;
2727 				xpt_print(periph->path,
2728 				    "scsi_ata_zac_mgmt_out() returned an "
2729 				    "error!");
2730 				goto bailout;
2731 			}
2732 		}
2733 		*queue_ccb = 1;
2734 
2735 		break;
2736 	}
2737 	case DISK_ZONE_REPORT_ZONES: {
2738 		uint8_t *rz_ptr;
2739 		uint32_t num_entries, alloc_size;
2740 		struct disk_zone_report *rep;
2741 
2742 		rep = &bp->bio_zone.zone_params.report;
2743 
2744 		num_entries = rep->entries_allocated;
2745 		if (num_entries == 0) {
2746 			xpt_print(periph->path, "No entries allocated for "
2747 			    "Report Zones request\n");
2748 			error = EINVAL;
2749 			goto bailout;
2750 		}
2751 		alloc_size = sizeof(struct scsi_report_zones_hdr) +
2752 		    (sizeof(struct scsi_report_zones_desc) * num_entries);
2753 		alloc_size = min(alloc_size, softc->disk->d_maxsize);
2754 		rz_ptr = malloc(alloc_size, M_SCSIDA, M_NOWAIT | M_ZERO);
2755 		if (rz_ptr == NULL) {
2756 			xpt_print(periph->path, "Unable to allocate memory "
2757 			   "for Report Zones request\n");
2758 			error = ENOMEM;
2759 			goto bailout;
2760 		}
2761 
2762 		if (softc->zone_interface != DA_ZONE_IF_ATA_PASS) {
2763 			scsi_zbc_in(&ccb->csio,
2764 				    /*retries*/ da_retry_count,
2765 				    /*cbcfnp*/ dadone,
2766 				    /*tag_action*/ MSG_SIMPLE_Q_TAG,
2767 				    /*service_action*/ ZBC_IN_SA_REPORT_ZONES,
2768 				    /*zone_start_lba*/ rep->starting_id,
2769 				    /*zone_options*/ rep->rep_options,
2770 				    /*data_ptr*/ rz_ptr,
2771 				    /*dxfer_len*/ alloc_size,
2772 				    /*sense_len*/ SSD_FULL_SIZE,
2773 				    /*timeout*/ da_default_timeout * 1000);
2774 		} else {
2775 			/*
2776 			 * Note that in this case, even though we can
2777 			 * technically use NCQ, we don't bother for several
2778 			 * reasons:
2779 			 * 1. It hasn't been tested on a SAT layer that
2780 			 *    supports it.  This is new as of SAT-4.
2781 			 * 2. Even when there is a SAT layer that supports
2782 			 *    it, that SAT layer will also probably support
2783 			 *    ZBC -> ZAC translation, since they are both
2784 			 *    in the SAT-4 spec.
2785 			 * 3. Translation will likely be preferable to ATA
2786 			 *    passthrough.  LSI / Avago at least single
2787 			 *    steps ATA passthrough commands in the HBA,
2788 			 *    regardless of protocol, so unless that
2789 			 *    changes, there is a performance penalty for
2790 			 *    doing ATA passthrough no matter whether
2791 			 *    you're using NCQ/FPDMA, DMA or PIO.
2792 			 * 4. It requires a 32-byte CDB, which at least at
2793 			 *    this point in CAM requires a CDB pointer, which
2794 			 *    would require us to allocate an additional bit
2795 			 *    of storage separate from the CCB.
2796 			 */
2797 			error = scsi_ata_zac_mgmt_in(&ccb->csio,
2798 			    /*retries*/ da_retry_count,
2799 			    /*cbcfnp*/ dadone,
2800 			    /*tag_action*/ MSG_SIMPLE_Q_TAG,
2801 			    /*use_ncq*/ 0,
2802 			    /*zm_action*/ ATA_ZM_REPORT_ZONES,
2803 			    /*zone_id*/ rep->starting_id,
2804 			    /*zone_flags*/ rep->rep_options,
2805 			    /*data_ptr*/ rz_ptr,
2806 			    /*dxfer_len*/ alloc_size,
2807 			    /*cdb_storage*/ NULL,
2808 			    /*cdb_storage_len*/ 0,
2809 			    /*sense_len*/ SSD_FULL_SIZE,
2810 			    /*timeout*/ da_default_timeout * 1000);
2811 			if (error != 0) {
2812 				error = EINVAL;
2813 				xpt_print(periph->path,
2814 				    "scsi_ata_zac_mgmt_in() returned an "
2815 				    "error!");
2816 				goto bailout;
2817 			}
2818 		}
2819 
2820 		/*
2821 		 * For BIO_ZONE, this isn't normally needed.  However, it
2822 		 * is used by devstat_end_transaction_bio() to determine
2823 		 * how much data was transferred.
2824 		 */
2825 		/*
2826 		 * XXX KDM we have a problem.  But I'm not sure how to fix
2827 		 * it.  devstat uses bio_bcount - bio_resid to calculate
2828 		 * the amount of data transferred.   The GEOM disk code
2829 		 * uses bio_length - bio_resid to calculate the amount of
2830 		 * data in bio_completed.  We have different structure
2831 		 * sizes above and below the ada(4) driver.  So, if we
2832 		 * use the sizes above, the amount transferred won't be
2833 		 * quite accurate for devstat.  If we use different sizes
2834 		 * for bio_bcount and bio_length (above and below
2835 		 * respectively), then the residual needs to match one or
2836 		 * the other.  Everything is calculated after the bio
2837 		 * leaves the driver, so changing the values around isn't
2838 		 * really an option.  For now, just set the count to the
2839 		 * passed in length.  This means that the calculations
2840 		 * above (e.g. bio_completed) will be correct, but the
2841 		 * amount of data reported to devstat will be slightly
2842 		 * under or overstated.
2843 		 */
2844 		bp->bio_bcount = bp->bio_length;
2845 
2846 		*queue_ccb = 1;
2847 
2848 		break;
2849 	}
2850 	case DISK_ZONE_GET_PARAMS: {
2851 		struct disk_zone_disk_params *params;
2852 
2853 		params = &bp->bio_zone.zone_params.disk_params;
2854 		bzero(params, sizeof(*params));
2855 
2856 		switch (softc->zone_mode) {
2857 		case DA_ZONE_DRIVE_MANAGED:
2858 			params->zone_mode = DISK_ZONE_MODE_DRIVE_MANAGED;
2859 			break;
2860 		case DA_ZONE_HOST_AWARE:
2861 			params->zone_mode = DISK_ZONE_MODE_HOST_AWARE;
2862 			break;
2863 		case DA_ZONE_HOST_MANAGED:
2864 			params->zone_mode = DISK_ZONE_MODE_HOST_MANAGED;
2865 			break;
2866 		default:
2867 		case DA_ZONE_NONE:
2868 			params->zone_mode = DISK_ZONE_MODE_NONE;
2869 			break;
2870 		}
2871 
2872 		if (softc->zone_flags & DA_ZONE_FLAG_URSWRZ)
2873 			params->flags |= DISK_ZONE_DISK_URSWRZ;
2874 
2875 		if (softc->zone_flags & DA_ZONE_FLAG_OPT_SEQ_SET) {
2876 			params->optimal_seq_zones = softc->optimal_seq_zones;
2877 			params->flags |= DISK_ZONE_OPT_SEQ_SET;
2878 		}
2879 
2880 		if (softc->zone_flags & DA_ZONE_FLAG_OPT_NONSEQ_SET) {
2881 			params->optimal_nonseq_zones =
2882 			    softc->optimal_nonseq_zones;
2883 			params->flags |= DISK_ZONE_OPT_NONSEQ_SET;
2884 		}
2885 
2886 		if (softc->zone_flags & DA_ZONE_FLAG_MAX_SEQ_SET) {
2887 			params->max_seq_zones = softc->max_seq_zones;
2888 			params->flags |= DISK_ZONE_MAX_SEQ_SET;
2889 		}
2890 		if (softc->zone_flags & DA_ZONE_FLAG_RZ_SUP)
2891 			params->flags |= DISK_ZONE_RZ_SUP;
2892 
2893 		if (softc->zone_flags & DA_ZONE_FLAG_OPEN_SUP)
2894 			params->flags |= DISK_ZONE_OPEN_SUP;
2895 
2896 		if (softc->zone_flags & DA_ZONE_FLAG_CLOSE_SUP)
2897 			params->flags |= DISK_ZONE_CLOSE_SUP;
2898 
2899 		if (softc->zone_flags & DA_ZONE_FLAG_FINISH_SUP)
2900 			params->flags |= DISK_ZONE_FINISH_SUP;
2901 
2902 		if (softc->zone_flags & DA_ZONE_FLAG_RWP_SUP)
2903 			params->flags |= DISK_ZONE_RWP_SUP;
2904 		break;
2905 	}
2906 	default:
2907 		break;
2908 	}
2909 bailout:
2910 	return (error);
2911 }
2912 
2913 static void
2914 dastart(struct cam_periph *periph, union ccb *start_ccb)
2915 {
2916 	struct da_softc *softc;
2917 
2918 	softc = (struct da_softc *)periph->softc;
2919 
2920 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n"));
2921 
2922 skipstate:
2923 	switch (softc->state) {
2924 	case DA_STATE_NORMAL:
2925 	{
2926 		struct bio *bp;
2927 		uint8_t tag_code;
2928 
2929 more:
2930 		bp = cam_iosched_next_bio(softc->cam_iosched);
2931 		if (bp == NULL) {
2932 			if (cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR)) {
2933 				cam_iosched_clr_work_flags(softc->cam_iosched, DA_WORK_TUR);
2934 				scsi_test_unit_ready(&start_ccb->csio,
2935 				     /*retries*/ da_retry_count,
2936 				     dadone,
2937 				     MSG_SIMPLE_Q_TAG,
2938 				     SSD_FULL_SIZE,
2939 				     da_default_timeout * 1000);
2940 				start_ccb->ccb_h.ccb_bp = NULL;
2941 				start_ccb->ccb_h.ccb_state = DA_CCB_TUR;
2942 				xpt_action(start_ccb);
2943 			} else
2944 				xpt_release_ccb(start_ccb);
2945 			break;
2946 		}
2947 
2948 		if (bp->bio_cmd == BIO_DELETE) {
2949 			if (softc->delete_func != NULL) {
2950 				softc->delete_func(periph, start_ccb, bp);
2951 				goto out;
2952 			} else {
2953 				/* Not sure this is possible, but failsafe by lying and saying "sure, done." */
2954 				biofinish(bp, NULL, 0);
2955 				goto more;
2956 			}
2957 		}
2958 
2959 		if (cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR)) {
2960 			cam_iosched_clr_work_flags(softc->cam_iosched, DA_WORK_TUR);
2961 			cam_periph_release_locked(periph);	/* XXX is this still valid? I think so but unverified */
2962 		}
2963 
2964 		if ((bp->bio_flags & BIO_ORDERED) != 0 ||
2965 		    (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
2966 			softc->flags &= ~DA_FLAG_NEED_OTAG;
2967 			softc->flags |= DA_FLAG_WAS_OTAG;
2968 			tag_code = MSG_ORDERED_Q_TAG;
2969 		} else {
2970 			tag_code = MSG_SIMPLE_Q_TAG;
2971 		}
2972 
2973 		switch (bp->bio_cmd) {
2974 		case BIO_WRITE:
2975 		case BIO_READ:
2976 		{
2977 			void *data_ptr;
2978 			int rw_op;
2979 
2980 			biotrack(bp, __func__);
2981 
2982 			if (bp->bio_cmd == BIO_WRITE) {
2983 				softc->flags |= DA_FLAG_DIRTY;
2984 				rw_op = SCSI_RW_WRITE;
2985 			} else {
2986 				rw_op = SCSI_RW_READ;
2987 			}
2988 
2989 			data_ptr = bp->bio_data;
2990 			if ((bp->bio_flags & (BIO_UNMAPPED|BIO_VLIST)) != 0) {
2991 				rw_op |= SCSI_RW_BIO;
2992 				data_ptr = bp;
2993 			}
2994 
2995 			scsi_read_write(&start_ccb->csio,
2996 					/*retries*/da_retry_count,
2997 					/*cbfcnp*/dadone,
2998 					/*tag_action*/tag_code,
2999 					rw_op,
3000 					/*byte2*/0,
3001 					softc->minimum_cmd_size,
3002 					/*lba*/bp->bio_pblkno,
3003 					/*block_count*/bp->bio_bcount /
3004 					softc->params.secsize,
3005 					data_ptr,
3006 					/*dxfer_len*/ bp->bio_bcount,
3007 					/*sense_len*/SSD_FULL_SIZE,
3008 					da_default_timeout * 1000);
3009 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
3010 			start_ccb->csio.bio = bp;
3011 #endif
3012 			break;
3013 		}
3014 		case BIO_FLUSH:
3015 			/*
3016 			 * BIO_FLUSH doesn't currently communicate
3017 			 * range data, so we synchronize the cache
3018 			 * over the whole disk.  We also force
3019 			 * ordered tag semantics the flush applies
3020 			 * to all previously queued I/O.
3021 			 */
3022 			scsi_synchronize_cache(&start_ccb->csio,
3023 					       /*retries*/1,
3024 					       /*cbfcnp*/dadone,
3025 					       MSG_ORDERED_Q_TAG,
3026 					       /*begin_lba*/0,
3027 					       /*lb_count*/0,
3028 					       SSD_FULL_SIZE,
3029 					       da_default_timeout*1000);
3030 			break;
3031 		case BIO_ZONE: {
3032 			int error, queue_ccb;
3033 
3034 			queue_ccb = 0;
3035 
3036 			error = da_zone_cmd(periph, start_ccb, bp,&queue_ccb);
3037 			if ((error != 0)
3038 			 || (queue_ccb == 0)) {
3039 				biofinish(bp, NULL, error);
3040 				xpt_release_ccb(start_ccb);
3041 				return;
3042 			}
3043 			break;
3044 		}
3045 		}
3046 		start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
3047 		start_ccb->ccb_h.flags |= CAM_UNLOCKED;
3048 		start_ccb->ccb_h.softtimeout = sbttotv(da_default_softtimeout);
3049 
3050 out:
3051 		LIST_INSERT_HEAD(&softc->pending_ccbs,
3052 				 &start_ccb->ccb_h, periph_links.le);
3053 
3054 		/* We expect a unit attention from this device */
3055 		if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
3056 			start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
3057 			softc->flags &= ~DA_FLAG_RETRY_UA;
3058 		}
3059 
3060 		start_ccb->ccb_h.ccb_bp = bp;
3061 		softc->refcount++;
3062 		cam_periph_unlock(periph);
3063 		xpt_action(start_ccb);
3064 		cam_periph_lock(periph);
3065 		softc->refcount--;
3066 
3067 		/* May have more work to do, so ensure we stay scheduled */
3068 		daschedule(periph);
3069 		break;
3070 	}
3071 	case DA_STATE_PROBE_RC:
3072 	{
3073 		struct scsi_read_capacity_data *rcap;
3074 
3075 		rcap = (struct scsi_read_capacity_data *)
3076 		    malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO);
3077 		if (rcap == NULL) {
3078 			printf("dastart: Couldn't malloc read_capacity data\n");
3079 			/* da_free_periph??? */
3080 			break;
3081 		}
3082 		scsi_read_capacity(&start_ccb->csio,
3083 				   /*retries*/da_retry_count,
3084 				   dadone,
3085 				   MSG_SIMPLE_Q_TAG,
3086 				   rcap,
3087 				   SSD_FULL_SIZE,
3088 				   /*timeout*/5000);
3089 		start_ccb->ccb_h.ccb_bp = NULL;
3090 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC;
3091 		xpt_action(start_ccb);
3092 		break;
3093 	}
3094 	case DA_STATE_PROBE_RC16:
3095 	{
3096 		struct scsi_read_capacity_data_long *rcaplong;
3097 
3098 		rcaplong = (struct scsi_read_capacity_data_long *)
3099 			malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO);
3100 		if (rcaplong == NULL) {
3101 			printf("dastart: Couldn't malloc read_capacity data\n");
3102 			/* da_free_periph??? */
3103 			break;
3104 		}
3105 		scsi_read_capacity_16(&start_ccb->csio,
3106 				      /*retries*/ da_retry_count,
3107 				      /*cbfcnp*/ dadone,
3108 				      /*tag_action*/ MSG_SIMPLE_Q_TAG,
3109 				      /*lba*/ 0,
3110 				      /*reladr*/ 0,
3111 				      /*pmi*/ 0,
3112 				      /*rcap_buf*/ (uint8_t *)rcaplong,
3113 				      /*rcap_buf_len*/ sizeof(*rcaplong),
3114 				      /*sense_len*/ SSD_FULL_SIZE,
3115 				      /*timeout*/ da_default_timeout * 1000);
3116 		start_ccb->ccb_h.ccb_bp = NULL;
3117 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16;
3118 		xpt_action(start_ccb);
3119 		break;
3120 	}
3121 	case DA_STATE_PROBE_LBP:
3122 	{
3123 		struct scsi_vpd_logical_block_prov *lbp;
3124 
3125 		if (!scsi_vpd_supported_page(periph, SVPD_LBP)) {
3126 			/*
3127 			 * If we get here we don't support any SBC-3 delete
3128 			 * methods with UNMAP as the Logical Block Provisioning
3129 			 * VPD page support is required for devices which
3130 			 * support it according to T10/1799-D Revision 31
3131 			 * however older revisions of the spec don't mandate
3132 			 * this so we currently don't remove these methods
3133 			 * from the available set.
3134 			 */
3135 			softc->state = DA_STATE_PROBE_BLK_LIMITS;
3136 			goto skipstate;
3137 		}
3138 
3139 		lbp = (struct scsi_vpd_logical_block_prov *)
3140 			malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO);
3141 
3142 		if (lbp == NULL) {
3143 			printf("dastart: Couldn't malloc lbp data\n");
3144 			/* da_free_periph??? */
3145 			break;
3146 		}
3147 
3148 		scsi_inquiry(&start_ccb->csio,
3149 			     /*retries*/da_retry_count,
3150 			     /*cbfcnp*/dadone,
3151 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3152 			     /*inq_buf*/(u_int8_t *)lbp,
3153 			     /*inq_len*/sizeof(*lbp),
3154 			     /*evpd*/TRUE,
3155 			     /*page_code*/SVPD_LBP,
3156 			     /*sense_len*/SSD_MIN_SIZE,
3157 			     /*timeout*/da_default_timeout * 1000);
3158 		start_ccb->ccb_h.ccb_bp = NULL;
3159 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP;
3160 		xpt_action(start_ccb);
3161 		break;
3162 	}
3163 	case DA_STATE_PROBE_BLK_LIMITS:
3164 	{
3165 		struct scsi_vpd_block_limits *block_limits;
3166 
3167 		if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) {
3168 			/* Not supported skip to next probe */
3169 			softc->state = DA_STATE_PROBE_BDC;
3170 			goto skipstate;
3171 		}
3172 
3173 		block_limits = (struct scsi_vpd_block_limits *)
3174 			malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO);
3175 
3176 		if (block_limits == NULL) {
3177 			printf("dastart: Couldn't malloc block_limits data\n");
3178 			/* da_free_periph??? */
3179 			break;
3180 		}
3181 
3182 		scsi_inquiry(&start_ccb->csio,
3183 			     /*retries*/da_retry_count,
3184 			     /*cbfcnp*/dadone,
3185 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3186 			     /*inq_buf*/(u_int8_t *)block_limits,
3187 			     /*inq_len*/sizeof(*block_limits),
3188 			     /*evpd*/TRUE,
3189 			     /*page_code*/SVPD_BLOCK_LIMITS,
3190 			     /*sense_len*/SSD_MIN_SIZE,
3191 			     /*timeout*/da_default_timeout * 1000);
3192 		start_ccb->ccb_h.ccb_bp = NULL;
3193 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS;
3194 		xpt_action(start_ccb);
3195 		break;
3196 	}
3197 	case DA_STATE_PROBE_BDC:
3198 	{
3199 		struct scsi_vpd_block_characteristics *bdc;
3200 
3201 		if (!scsi_vpd_supported_page(periph, SVPD_BDC)) {
3202 			softc->state = DA_STATE_PROBE_ATA;
3203 			goto skipstate;
3204 		}
3205 
3206 		bdc = (struct scsi_vpd_block_characteristics *)
3207 			malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
3208 
3209 		if (bdc == NULL) {
3210 			printf("dastart: Couldn't malloc bdc data\n");
3211 			/* da_free_periph??? */
3212 			break;
3213 		}
3214 
3215 		scsi_inquiry(&start_ccb->csio,
3216 			     /*retries*/da_retry_count,
3217 			     /*cbfcnp*/dadone,
3218 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3219 			     /*inq_buf*/(u_int8_t *)bdc,
3220 			     /*inq_len*/sizeof(*bdc),
3221 			     /*evpd*/TRUE,
3222 			     /*page_code*/SVPD_BDC,
3223 			     /*sense_len*/SSD_MIN_SIZE,
3224 			     /*timeout*/da_default_timeout * 1000);
3225 		start_ccb->ccb_h.ccb_bp = NULL;
3226 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC;
3227 		xpt_action(start_ccb);
3228 		break;
3229 	}
3230 	case DA_STATE_PROBE_ATA:
3231 	{
3232 		struct ata_params *ata_params;
3233 
3234 		if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
3235 			if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
3236 			 || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
3237 				/*
3238 				 * Note that if the ATA VPD page isn't
3239 				 * supported, we aren't talking to an ATA
3240 				 * device anyway.  Support for that VPD
3241 				 * page is mandatory for SCSI to ATA (SAT)
3242 				 * translation layers.
3243 				 */
3244 				softc->state = DA_STATE_PROBE_ZONE;
3245 				goto skipstate;
3246 			}
3247 			daprobedone(periph, start_ccb);
3248 			break;
3249 		}
3250 
3251 		ata_params = (struct ata_params*)
3252 			malloc(sizeof(*ata_params), M_SCSIDA,M_NOWAIT|M_ZERO);
3253 
3254 		if (ata_params == NULL) {
3255 			xpt_print(periph->path, "Couldn't malloc ata_params "
3256 			    "data\n");
3257 			/* da_free_periph??? */
3258 			break;
3259 		}
3260 
3261 		scsi_ata_identify(&start_ccb->csio,
3262 				  /*retries*/da_retry_count,
3263 				  /*cbfcnp*/dadone,
3264                                   /*tag_action*/MSG_SIMPLE_Q_TAG,
3265 				  /*data_ptr*/(u_int8_t *)ata_params,
3266 				  /*dxfer_len*/sizeof(*ata_params),
3267 				  /*sense_len*/SSD_FULL_SIZE,
3268 				  /*timeout*/da_default_timeout * 1000);
3269 		start_ccb->ccb_h.ccb_bp = NULL;
3270 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA;
3271 		xpt_action(start_ccb);
3272 		break;
3273 	}
3274 	case DA_STATE_PROBE_ATA_LOGDIR:
3275 	{
3276 		struct ata_gp_log_dir *log_dir;
3277 		int retval;
3278 
3279 		retval = 0;
3280 
3281 		if ((softc->flags & DA_FLAG_CAN_ATA_LOG) == 0) {
3282 			/*
3283 			 * If we don't have log support, not much point in
3284 			 * trying to probe zone support.
3285 			 */
3286 			daprobedone(periph, start_ccb);
3287 			break;
3288 		}
3289 
3290 		/*
3291 		 * If we have an ATA device (the SCSI ATA Information VPD
3292 		 * page should be present and the ATA identify should have
3293 		 * succeeded) and it supports logs, ask for the log directory.
3294 		 */
3295 
3296 		log_dir = malloc(sizeof(*log_dir), M_SCSIDA, M_NOWAIT|M_ZERO);
3297 		if (log_dir == NULL) {
3298 			xpt_print(periph->path, "Couldn't malloc log_dir "
3299 			    "data\n");
3300 			daprobedone(periph, start_ccb);
3301 			break;
3302 		}
3303 
3304 		retval = scsi_ata_read_log(&start_ccb->csio,
3305 		    /*retries*/ da_retry_count,
3306 		    /*cbfcnp*/ dadone,
3307 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3308 		    /*log_address*/ ATA_LOG_DIRECTORY,
3309 		    /*page_number*/ 0,
3310 		    /*block_count*/ 1,
3311 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3312 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3313 		    /*data_ptr*/ (uint8_t *)log_dir,
3314 		    /*dxfer_len*/ sizeof(*log_dir),
3315 		    /*sense_len*/ SSD_FULL_SIZE,
3316 		    /*timeout*/ da_default_timeout * 1000);
3317 
3318 		if (retval != 0) {
3319 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3320 			free(log_dir, M_SCSIDA);
3321 			daprobedone(periph, start_ccb);
3322 			break;
3323 		}
3324 		start_ccb->ccb_h.ccb_bp = NULL;
3325 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_LOGDIR;
3326 		xpt_action(start_ccb);
3327 		break;
3328 	}
3329 	case DA_STATE_PROBE_ATA_IDDIR:
3330 	{
3331 		struct ata_identify_log_pages *id_dir;
3332 		int retval;
3333 
3334 		retval = 0;
3335 
3336 		/*
3337 		 * Check here to see whether the Identify Device log is
3338 		 * supported in the directory of logs.  If so, continue
3339 		 * with requesting the log of identify device pages.
3340 		 */
3341 		if ((softc->flags & DA_FLAG_CAN_ATA_IDLOG) == 0) {
3342 			daprobedone(periph, start_ccb);
3343 			break;
3344 		}
3345 
3346 		id_dir = malloc(sizeof(*id_dir), M_SCSIDA, M_NOWAIT | M_ZERO);
3347 		if (id_dir == NULL) {
3348 			xpt_print(periph->path, "Couldn't malloc id_dir "
3349 			    "data\n");
3350 			daprobedone(periph, start_ccb);
3351 			break;
3352 		}
3353 
3354 		retval = scsi_ata_read_log(&start_ccb->csio,
3355 		    /*retries*/ da_retry_count,
3356 		    /*cbfcnp*/ dadone,
3357 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3358 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3359 		    /*page_number*/ ATA_IDL_PAGE_LIST,
3360 		    /*block_count*/ 1,
3361 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3362 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3363 		    /*data_ptr*/ (uint8_t *)id_dir,
3364 		    /*dxfer_len*/ sizeof(*id_dir),
3365 		    /*sense_len*/ SSD_FULL_SIZE,
3366 		    /*timeout*/ da_default_timeout * 1000);
3367 
3368 		if (retval != 0) {
3369 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3370 			free(id_dir, M_SCSIDA);
3371 			daprobedone(periph, start_ccb);
3372 			break;
3373 		}
3374 		start_ccb->ccb_h.ccb_bp = NULL;
3375 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_IDDIR;
3376 		xpt_action(start_ccb);
3377 		break;
3378 	}
3379 	case DA_STATE_PROBE_ATA_SUP:
3380 	{
3381 		struct ata_identify_log_sup_cap *sup_cap;
3382 		int retval;
3383 
3384 		retval = 0;
3385 
3386 		/*
3387 		 * Check here to see whether the Supported Capabilities log
3388 		 * is in the list of Identify Device logs.
3389 		 */
3390 		if ((softc->flags & DA_FLAG_CAN_ATA_SUPCAP) == 0) {
3391 			daprobedone(periph, start_ccb);
3392 			break;
3393 		}
3394 
3395 		sup_cap = malloc(sizeof(*sup_cap), M_SCSIDA, M_NOWAIT|M_ZERO);
3396 		if (sup_cap == NULL) {
3397 			xpt_print(periph->path, "Couldn't malloc sup_cap "
3398 			    "data\n");
3399 			daprobedone(periph, start_ccb);
3400 			break;
3401 		}
3402 
3403 		retval = scsi_ata_read_log(&start_ccb->csio,
3404 		    /*retries*/ da_retry_count,
3405 		    /*cbfcnp*/ dadone,
3406 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3407 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3408 		    /*page_number*/ ATA_IDL_SUP_CAP,
3409 		    /*block_count*/ 1,
3410 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3411 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3412 		    /*data_ptr*/ (uint8_t *)sup_cap,
3413 		    /*dxfer_len*/ sizeof(*sup_cap),
3414 		    /*sense_len*/ SSD_FULL_SIZE,
3415 		    /*timeout*/ da_default_timeout * 1000);
3416 
3417 		if (retval != 0) {
3418 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3419 			free(sup_cap, M_SCSIDA);
3420 			daprobedone(periph, start_ccb);
3421 			break;
3422 
3423 		}
3424 
3425 		start_ccb->ccb_h.ccb_bp = NULL;
3426 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_SUP;
3427 		xpt_action(start_ccb);
3428 		break;
3429 	}
3430 	case DA_STATE_PROBE_ATA_ZONE:
3431 	{
3432 		struct ata_zoned_info_log *ata_zone;
3433 		int retval;
3434 
3435 		retval = 0;
3436 
3437 		/*
3438 		 * Check here to see whether the zoned device information
3439 		 * page is supported.  If so, continue on to request it.
3440 		 * If not, skip to DA_STATE_PROBE_LOG or done.
3441 		 */
3442 		if ((softc->flags & DA_FLAG_CAN_ATA_ZONE) == 0) {
3443 			daprobedone(periph, start_ccb);
3444 			break;
3445 		}
3446 		ata_zone = malloc(sizeof(*ata_zone), M_SCSIDA,
3447 				  M_NOWAIT|M_ZERO);
3448 		if (ata_zone == NULL) {
3449 			xpt_print(periph->path, "Couldn't malloc ata_zone "
3450 			    "data\n");
3451 			daprobedone(periph, start_ccb);
3452 			break;
3453 		}
3454 
3455 		retval = scsi_ata_read_log(&start_ccb->csio,
3456 		    /*retries*/ da_retry_count,
3457 		    /*cbfcnp*/ dadone,
3458 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3459 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3460 		    /*page_number*/ ATA_IDL_ZDI,
3461 		    /*block_count*/ 1,
3462 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3463 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3464 		    /*data_ptr*/ (uint8_t *)ata_zone,
3465 		    /*dxfer_len*/ sizeof(*ata_zone),
3466 		    /*sense_len*/ SSD_FULL_SIZE,
3467 		    /*timeout*/ da_default_timeout * 1000);
3468 
3469 		if (retval != 0) {
3470 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3471 			free(ata_zone, M_SCSIDA);
3472 			daprobedone(periph, start_ccb);
3473 			break;
3474 		}
3475 		start_ccb->ccb_h.ccb_bp = NULL;
3476 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_ZONE;
3477 		xpt_action(start_ccb);
3478 
3479 		break;
3480 	}
3481 	case DA_STATE_PROBE_ZONE:
3482 	{
3483 		struct scsi_vpd_zoned_bdc *bdc;
3484 
3485 		/*
3486 		 * Note that this page will be supported for SCSI protocol
3487 		 * devices that support ZBC (SMR devices), as well as ATA
3488 		 * protocol devices that are behind a SAT (SCSI to ATA
3489 		 * Translation) layer that supports converting ZBC commands
3490 		 * to their ZAC equivalents.
3491 		 */
3492 		if (!scsi_vpd_supported_page(periph, SVPD_ZONED_BDC)) {
3493 			daprobedone(periph, start_ccb);
3494 			break;
3495 		}
3496 		bdc = (struct scsi_vpd_zoned_bdc *)
3497 			malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
3498 
3499 		if (bdc == NULL) {
3500 			xpt_release_ccb(start_ccb);
3501 			xpt_print(periph->path, "Couldn't malloc zone VPD "
3502 			    "data\n");
3503 			break;
3504 		}
3505 		scsi_inquiry(&start_ccb->csio,
3506 			     /*retries*/da_retry_count,
3507 			     /*cbfcnp*/dadone,
3508 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3509 			     /*inq_buf*/(u_int8_t *)bdc,
3510 			     /*inq_len*/sizeof(*bdc),
3511 			     /*evpd*/TRUE,
3512 			     /*page_code*/SVPD_ZONED_BDC,
3513 			     /*sense_len*/SSD_FULL_SIZE,
3514 			     /*timeout*/da_default_timeout * 1000);
3515 		start_ccb->ccb_h.ccb_bp = NULL;
3516 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ZONE;
3517 		xpt_action(start_ccb);
3518 		break;
3519 	}
3520 	}
3521 }
3522 
3523 /*
3524  * In each of the methods below, while its the caller's
3525  * responsibility to ensure the request will fit into a
3526  * single device request, we might have changed the delete
3527  * method due to the device incorrectly advertising either
3528  * its supported methods or limits.
3529  *
3530  * To prevent this causing further issues we validate the
3531  * against the methods limits, and warn which would
3532  * otherwise be unnecessary.
3533  */
3534 static void
3535 da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
3536 {
3537 	struct da_softc *softc = (struct da_softc *)periph->softc;;
3538 	struct bio *bp1;
3539 	uint8_t *buf = softc->unmap_buf;
3540 	struct scsi_unmap_desc *d = (void *)&buf[UNMAP_HEAD_SIZE];
3541 	uint64_t lba, lastlba = (uint64_t)-1;
3542 	uint64_t totalcount = 0;
3543 	uint64_t count;
3544 	uint32_t c, lastcount = 0, ranges = 0;
3545 
3546 	/*
3547 	 * Currently this doesn't take the UNMAP
3548 	 * Granularity and Granularity Alignment
3549 	 * fields into account.
3550 	 *
3551 	 * This could result in both unoptimal unmap
3552 	 * requests as as well as UNMAP calls unmapping
3553 	 * fewer LBA's than requested.
3554 	 */
3555 
3556 	bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
3557 	bp1 = bp;
3558 	do {
3559 		/*
3560 		 * Note: ada and da are different in how they store the
3561 		 * pending bp's in a trim. ada stores all of them in the
3562 		 * trim_req.bps. da stores all but the first one in the
3563 		 * delete_run_queue. ada then completes all the bps in
3564 		 * its adadone() loop. da completes all the bps in the
3565 		 * delete_run_queue in dadone, and relies on the biodone
3566 		 * after to complete. This should be reconciled since there's
3567 		 * no real reason to do it differently. XXX
3568 		 */
3569 		if (bp1 != bp)
3570 			bioq_insert_tail(&softc->delete_run_queue, bp1);
3571 		lba = bp1->bio_pblkno;
3572 		count = bp1->bio_bcount / softc->params.secsize;
3573 
3574 		/* Try to extend the previous range. */
3575 		if (lba == lastlba) {
3576 			c = omin(count, UNMAP_RANGE_MAX - lastcount);
3577 			lastlba += c;
3578 			lastcount += c;
3579 			scsi_ulto4b(lastcount, d[ranges - 1].length);
3580 			count -= c;
3581 			lba += c;
3582 			totalcount += c;
3583 		} else if ((softc->quirks & DA_Q_STRICT_UNMAP) &&
3584 		    softc->unmap_gran != 0) {
3585 			/* Align length of the previous range. */
3586 			if ((c = lastcount % softc->unmap_gran) != 0) {
3587 				if (lastcount <= c) {
3588 					totalcount -= lastcount;
3589 					lastlba = (uint64_t)-1;
3590 					lastcount = 0;
3591 					ranges--;
3592 				} else {
3593 					totalcount -= c;
3594 					lastlba -= c;
3595 					lastcount -= c;
3596 					scsi_ulto4b(lastcount, d[ranges - 1].length);
3597 				}
3598 			}
3599 			/* Align beginning of the new range. */
3600 			c = (lba - softc->unmap_gran_align) % softc->unmap_gran;
3601 			if (c != 0) {
3602 				c = softc->unmap_gran - c;
3603 				if (count <= c) {
3604 					count = 0;
3605 				} else {
3606 					lba += c;
3607 					count -= c;
3608 				}
3609 			}
3610 		}
3611 
3612 		while (count > 0) {
3613 			c = omin(count, UNMAP_RANGE_MAX);
3614 			if (totalcount + c > softc->unmap_max_lba ||
3615 			    ranges >= softc->unmap_max_ranges) {
3616 				xpt_print(periph->path,
3617 				    "%s issuing short delete %ld > %ld"
3618 				    "|| %d >= %d",
3619 				    da_delete_method_desc[softc->delete_method],
3620 				    totalcount + c, softc->unmap_max_lba,
3621 				    ranges, softc->unmap_max_ranges);
3622 				break;
3623 			}
3624 			scsi_u64to8b(lba, d[ranges].lba);
3625 			scsi_ulto4b(c, d[ranges].length);
3626 			lba += c;
3627 			totalcount += c;
3628 			ranges++;
3629 			count -= c;
3630 			lastlba = lba;
3631 			lastcount = c;
3632 		}
3633 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
3634 		if (bp1 == NULL)
3635 			break;
3636 		if (ranges >= softc->unmap_max_ranges ||
3637 		    totalcount + bp1->bio_bcount /
3638 		    softc->params.secsize > softc->unmap_max_lba) {
3639 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
3640 			break;
3641 		}
3642 	} while (1);
3643 
3644 	/* Align length of the last range. */
3645 	if ((softc->quirks & DA_Q_STRICT_UNMAP) && softc->unmap_gran != 0 &&
3646 	    (c = lastcount % softc->unmap_gran) != 0) {
3647 		if (lastcount <= c)
3648 			ranges--;
3649 		else
3650 			scsi_ulto4b(lastcount - c, d[ranges - 1].length);
3651 	}
3652 
3653 	scsi_ulto2b(ranges * 16 + 6, &buf[0]);
3654 	scsi_ulto2b(ranges * 16, &buf[2]);
3655 
3656 	scsi_unmap(&ccb->csio,
3657 		   /*retries*/da_retry_count,
3658 		   /*cbfcnp*/dadone,
3659 		   /*tag_action*/MSG_SIMPLE_Q_TAG,
3660 		   /*byte2*/0,
3661 		   /*data_ptr*/ buf,
3662 		   /*dxfer_len*/ ranges * 16 + 8,
3663 		   /*sense_len*/SSD_FULL_SIZE,
3664 		   da_default_timeout * 1000);
3665 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
3666 	ccb->ccb_h.flags |= CAM_UNLOCKED;
3667 	cam_iosched_submit_trim(softc->cam_iosched);
3668 }
3669 
3670 static void
3671 da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
3672 {
3673 	struct da_softc *softc = (struct da_softc *)periph->softc;
3674 	struct bio *bp1;
3675 	uint8_t *buf = softc->unmap_buf;
3676 	uint64_t lastlba = (uint64_t)-1;
3677 	uint64_t count;
3678 	uint64_t lba;
3679 	uint32_t lastcount = 0, c, requestcount;
3680 	int ranges = 0, off, block_count;
3681 
3682 	bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
3683 	bp1 = bp;
3684 	do {
3685 		if (bp1 != bp)//XXX imp XXX
3686 			bioq_insert_tail(&softc->delete_run_queue, bp1);
3687 		lba = bp1->bio_pblkno;
3688 		count = bp1->bio_bcount / softc->params.secsize;
3689 		requestcount = count;
3690 
3691 		/* Try to extend the previous range. */
3692 		if (lba == lastlba) {
3693 			c = omin(count, ATA_DSM_RANGE_MAX - lastcount);
3694 			lastcount += c;
3695 			off = (ranges - 1) * 8;
3696 			buf[off + 6] = lastcount & 0xff;
3697 			buf[off + 7] = (lastcount >> 8) & 0xff;
3698 			count -= c;
3699 			lba += c;
3700 		}
3701 
3702 		while (count > 0) {
3703 			c = omin(count, ATA_DSM_RANGE_MAX);
3704 			off = ranges * 8;
3705 
3706 			buf[off + 0] = lba & 0xff;
3707 			buf[off + 1] = (lba >> 8) & 0xff;
3708 			buf[off + 2] = (lba >> 16) & 0xff;
3709 			buf[off + 3] = (lba >> 24) & 0xff;
3710 			buf[off + 4] = (lba >> 32) & 0xff;
3711 			buf[off + 5] = (lba >> 40) & 0xff;
3712 			buf[off + 6] = c & 0xff;
3713 			buf[off + 7] = (c >> 8) & 0xff;
3714 			lba += c;
3715 			ranges++;
3716 			count -= c;
3717 			lastcount = c;
3718 			if (count != 0 && ranges == softc->trim_max_ranges) {
3719 				xpt_print(periph->path,
3720 				    "%s issuing short delete %ld > %ld\n",
3721 				    da_delete_method_desc[softc->delete_method],
3722 				    requestcount,
3723 				    (softc->trim_max_ranges - ranges) *
3724 				    ATA_DSM_RANGE_MAX);
3725 				break;
3726 			}
3727 		}
3728 		lastlba = lba;
3729 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
3730 		if (bp1 == NULL)
3731 			break;
3732 		if (bp1->bio_bcount / softc->params.secsize >
3733 		    (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) {
3734 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
3735 			break;
3736 		}
3737 	} while (1);
3738 
3739 	block_count = howmany(ranges, ATA_DSM_BLK_RANGES);
3740 	scsi_ata_trim(&ccb->csio,
3741 		      /*retries*/da_retry_count,
3742 		      /*cbfcnp*/dadone,
3743 		      /*tag_action*/MSG_SIMPLE_Q_TAG,
3744 		      block_count,
3745 		      /*data_ptr*/buf,
3746 		      /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE,
3747 		      /*sense_len*/SSD_FULL_SIZE,
3748 		      da_default_timeout * 1000);
3749 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
3750 	ccb->ccb_h.flags |= CAM_UNLOCKED;
3751 	cam_iosched_submit_trim(softc->cam_iosched);
3752 }
3753 
3754 /*
3755  * We calculate ws_max_blks here based off d_delmaxsize instead
3756  * of using softc->ws_max_blks as it is absolute max for the
3757  * device not the protocol max which may well be lower.
3758  */
3759 static void
3760 da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
3761 {
3762 	struct da_softc *softc;
3763 	struct bio *bp1;
3764 	uint64_t ws_max_blks;
3765 	uint64_t lba;
3766 	uint64_t count; /* forward compat with WS32 */
3767 
3768 	softc = (struct da_softc *)periph->softc;
3769 	ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize;
3770 	lba = bp->bio_pblkno;
3771 	count = 0;
3772 	bp1 = bp;
3773 	do {
3774 		if (bp1 != bp)//XXX imp XXX
3775 			bioq_insert_tail(&softc->delete_run_queue, bp1);
3776 		count += bp1->bio_bcount / softc->params.secsize;
3777 		if (count > ws_max_blks) {
3778 			xpt_print(periph->path,
3779 			    "%s issuing short delete %ld > %ld\n",
3780 			    da_delete_method_desc[softc->delete_method],
3781 			    count, ws_max_blks);
3782 			count = omin(count, ws_max_blks);
3783 			break;
3784 		}
3785 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
3786 		if (bp1 == NULL)
3787 			break;
3788 		if (lba + count != bp1->bio_pblkno ||
3789 		    count + bp1->bio_bcount /
3790 		    softc->params.secsize > ws_max_blks) {
3791 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
3792 			break;
3793 		}
3794 	} while (1);
3795 
3796 	scsi_write_same(&ccb->csio,
3797 			/*retries*/da_retry_count,
3798 			/*cbfcnp*/dadone,
3799 			/*tag_action*/MSG_SIMPLE_Q_TAG,
3800 			/*byte2*/softc->delete_method ==
3801 			    DA_DELETE_ZERO ? 0 : SWS_UNMAP,
3802 			softc->delete_method == DA_DELETE_WS16 ? 16 : 10,
3803 			/*lba*/lba,
3804 			/*block_count*/count,
3805 			/*data_ptr*/ __DECONST(void *, zero_region),
3806 			/*dxfer_len*/ softc->params.secsize,
3807 			/*sense_len*/SSD_FULL_SIZE,
3808 			da_default_timeout * 1000);
3809 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
3810 	ccb->ccb_h.flags |= CAM_UNLOCKED;
3811 	cam_iosched_submit_trim(softc->cam_iosched);
3812 }
3813 
3814 static int
3815 cmd6workaround(union ccb *ccb)
3816 {
3817 	struct scsi_rw_6 cmd6;
3818 	struct scsi_rw_10 *cmd10;
3819 	struct da_softc *softc;
3820 	u_int8_t *cdb;
3821 	struct bio *bp;
3822 	int frozen;
3823 
3824 	cdb = ccb->csio.cdb_io.cdb_bytes;
3825 	softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
3826 
3827 	if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) {
3828 		da_delete_methods old_method = softc->delete_method;
3829 
3830 		/*
3831 		 * Typically there are two reasons for failure here
3832 		 * 1. Delete method was detected as supported but isn't
3833 		 * 2. Delete failed due to invalid params e.g. too big
3834 		 *
3835 		 * While we will attempt to choose an alternative delete method
3836 		 * this may result in short deletes if the existing delete
3837 		 * requests from geom are big for the new method chosen.
3838 		 *
3839 		 * This method assumes that the error which triggered this
3840 		 * will not retry the io otherwise a panic will occur
3841 		 */
3842 		dadeleteflag(softc, old_method, 0);
3843 		dadeletemethodchoose(softc, DA_DELETE_DISABLE);
3844 		if (softc->delete_method == DA_DELETE_DISABLE)
3845 			xpt_print(ccb->ccb_h.path,
3846 				  "%s failed, disabling BIO_DELETE\n",
3847 				  da_delete_method_desc[old_method]);
3848 		else
3849 			xpt_print(ccb->ccb_h.path,
3850 				  "%s failed, switching to %s BIO_DELETE\n",
3851 				  da_delete_method_desc[old_method],
3852 				  da_delete_method_desc[softc->delete_method]);
3853 
3854 		while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL)
3855 			cam_iosched_queue_work(softc->cam_iosched, bp);
3856 		cam_iosched_queue_work(softc->cam_iosched,
3857 		    (struct bio *)ccb->ccb_h.ccb_bp);
3858 		ccb->ccb_h.ccb_bp = NULL;
3859 		return (0);
3860 	}
3861 
3862 	/* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */
3863 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
3864 	    (*cdb == PREVENT_ALLOW) &&
3865 	    (softc->quirks & DA_Q_NO_PREVENT) == 0) {
3866 		if (bootverbose)
3867 			xpt_print(ccb->ccb_h.path,
3868 			    "PREVENT ALLOW MEDIUM REMOVAL not supported.\n");
3869 		softc->quirks |= DA_Q_NO_PREVENT;
3870 		return (0);
3871 	}
3872 
3873 	/* Detect unsupported SYNCHRONIZE CACHE(10). */
3874 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
3875 	    (*cdb == SYNCHRONIZE_CACHE) &&
3876 	    (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
3877 		if (bootverbose)
3878 			xpt_print(ccb->ccb_h.path,
3879 			    "SYNCHRONIZE CACHE(10) not supported.\n");
3880 		softc->quirks |= DA_Q_NO_SYNC_CACHE;
3881 		softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE;
3882 		return (0);
3883 	}
3884 
3885 	/* Translation only possible if CDB is an array and cmd is R/W6 */
3886 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
3887 	    (*cdb != READ_6 && *cdb != WRITE_6))
3888 		return 0;
3889 
3890 	xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, "
3891 	    "increasing minimum_cmd_size to 10.\n");
3892  	softc->minimum_cmd_size = 10;
3893 
3894 	bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
3895 	cmd10 = (struct scsi_rw_10 *)cdb;
3896 	cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
3897 	cmd10->byte2 = 0;
3898 	scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
3899 	cmd10->reserved = 0;
3900 	scsi_ulto2b(cmd6.length, cmd10->length);
3901 	cmd10->control = cmd6.control;
3902 	ccb->csio.cdb_len = sizeof(*cmd10);
3903 
3904 	/* Requeue request, unfreezing queue if necessary */
3905 	frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
3906  	ccb->ccb_h.status = CAM_REQUEUE_REQ;
3907 	xpt_action(ccb);
3908 	if (frozen) {
3909 		cam_release_devq(ccb->ccb_h.path,
3910 				 /*relsim_flags*/0,
3911 				 /*reduction*/0,
3912 				 /*timeout*/0,
3913 				 /*getcount_only*/0);
3914 	}
3915 	return (ERESTART);
3916 }
3917 
3918 static void
3919 dazonedone(struct cam_periph *periph, union ccb *ccb)
3920 {
3921 	struct da_softc *softc;
3922 	struct bio *bp;
3923 
3924 	softc = periph->softc;
3925 	bp = (struct bio *)ccb->ccb_h.ccb_bp;
3926 
3927 	switch (bp->bio_zone.zone_cmd) {
3928 	case DISK_ZONE_OPEN:
3929 	case DISK_ZONE_CLOSE:
3930 	case DISK_ZONE_FINISH:
3931 	case DISK_ZONE_RWP:
3932 		break;
3933 	case DISK_ZONE_REPORT_ZONES: {
3934 		uint32_t avail_len;
3935 		struct disk_zone_report *rep;
3936 		struct scsi_report_zones_hdr *hdr;
3937 		struct scsi_report_zones_desc *desc;
3938 		struct disk_zone_rep_entry *entry;
3939 		uint32_t num_alloced, hdr_len, num_avail;
3940 		uint32_t num_to_fill, i;
3941 		int ata;
3942 
3943 		rep = &bp->bio_zone.zone_params.report;
3944 		avail_len = ccb->csio.dxfer_len - ccb->csio.resid;
3945 		/*
3946 		 * Note that bio_resid isn't normally used for zone
3947 		 * commands, but it is used by devstat_end_transaction_bio()
3948 		 * to determine how much data was transferred.  Because
3949 		 * the size of the SCSI/ATA data structures is different
3950 		 * than the size of the BIO interface structures, the
3951 		 * amount of data actually transferred from the drive will
3952 		 * be different than the amount of data transferred to
3953 		 * the user.
3954 		 */
3955 		bp->bio_resid = ccb->csio.resid;
3956 		num_alloced = rep->entries_allocated;
3957 		hdr = (struct scsi_report_zones_hdr *)ccb->csio.data_ptr;
3958 		if (avail_len < sizeof(*hdr)) {
3959 			/*
3960 			 * Is there a better error than EIO here?  We asked
3961 			 * for at least the header, and we got less than
3962 			 * that.
3963 			 */
3964 			bp->bio_error = EIO;
3965 			bp->bio_flags |= BIO_ERROR;
3966 			bp->bio_resid = bp->bio_bcount;
3967 			break;
3968 		}
3969 
3970 		if (softc->zone_interface == DA_ZONE_IF_ATA_PASS)
3971 			ata = 1;
3972 		else
3973 			ata = 0;
3974 
3975 		hdr_len = ata ? le32dec(hdr->length) :
3976 				scsi_4btoul(hdr->length);
3977 		if (hdr_len > 0)
3978 			rep->entries_available = hdr_len / sizeof(*desc);
3979 		else
3980 			rep->entries_available = 0;
3981 		/*
3982 		 * NOTE: using the same values for the BIO version of the
3983 		 * same field as the SCSI/ATA values.  This means we could
3984 		 * get some additional values that aren't defined in bio.h
3985 		 * if more values of the same field are defined later.
3986 		 */
3987 		rep->header.same = hdr->byte4 & SRZ_SAME_MASK;
3988 		rep->header.maximum_lba = ata ?  le64dec(hdr->maximum_lba) :
3989 					  scsi_8btou64(hdr->maximum_lba);
3990 		/*
3991 		 * If the drive reports no entries that match the query,
3992 		 * we're done.
3993 		 */
3994 		if (hdr_len == 0) {
3995 			rep->entries_filled = 0;
3996 			break;
3997 		}
3998 
3999 		num_avail = min((avail_len - sizeof(*hdr)) / sizeof(*desc),
4000 				hdr_len / sizeof(*desc));
4001 		/*
4002 		 * If the drive didn't return any data, then we're done.
4003 		 */
4004 		if (num_avail == 0) {
4005 			rep->entries_filled = 0;
4006 			break;
4007 		}
4008 
4009 		num_to_fill = min(num_avail, rep->entries_allocated);
4010 		/*
4011 		 * If the user didn't allocate any entries for us to fill,
4012 		 * we're done.
4013 		 */
4014 		if (num_to_fill == 0) {
4015 			rep->entries_filled = 0;
4016 			break;
4017 		}
4018 
4019 		for (i = 0, desc = &hdr->desc_list[0], entry=&rep->entries[0];
4020 		     i < num_to_fill; i++, desc++, entry++) {
4021 			/*
4022 			 * NOTE: we're mapping the values here directly
4023 			 * from the SCSI/ATA bit definitions to the bio.h
4024 			 * definitons.  There is also a warning in
4025 			 * disk_zone.h, but the impact is that if
4026 			 * additional values are added in the SCSI/ATA
4027 			 * specs these will be visible to consumers of
4028 			 * this interface.
4029 			 */
4030 			entry->zone_type = desc->zone_type & SRZ_TYPE_MASK;
4031 			entry->zone_condition =
4032 			    (desc->zone_flags & SRZ_ZONE_COND_MASK) >>
4033 			    SRZ_ZONE_COND_SHIFT;
4034 			entry->zone_flags |= desc->zone_flags &
4035 			    (SRZ_ZONE_NON_SEQ|SRZ_ZONE_RESET);
4036 			entry->zone_length =
4037 			    ata ? le64dec(desc->zone_length) :
4038 				  scsi_8btou64(desc->zone_length);
4039 			entry->zone_start_lba =
4040 			    ata ? le64dec(desc->zone_start_lba) :
4041 				  scsi_8btou64(desc->zone_start_lba);
4042 			entry->write_pointer_lba =
4043 			    ata ? le64dec(desc->write_pointer_lba) :
4044 				  scsi_8btou64(desc->write_pointer_lba);
4045 		}
4046 		rep->entries_filled = num_to_fill;
4047 		break;
4048 	}
4049 	case DISK_ZONE_GET_PARAMS:
4050 	default:
4051 		/*
4052 		 * In theory we should not get a GET_PARAMS bio, since it
4053 		 * should be handled without queueing the command to the
4054 		 * drive.
4055 		 */
4056 		panic("%s: Invalid zone command %d", __func__,
4057 		    bp->bio_zone.zone_cmd);
4058 		break;
4059 	}
4060 
4061 	if (bp->bio_zone.zone_cmd == DISK_ZONE_REPORT_ZONES)
4062 		free(ccb->csio.data_ptr, M_SCSIDA);
4063 }
4064 
4065 static void
4066 dadone(struct cam_periph *periph, union ccb *done_ccb)
4067 {
4068 	struct da_softc *softc;
4069 	struct ccb_scsiio *csio;
4070 	u_int32_t  priority;
4071 	da_ccb_state state;
4072 
4073 	softc = (struct da_softc *)periph->softc;
4074 	priority = done_ccb->ccb_h.pinfo.priority;
4075 
4076 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n"));
4077 
4078 	csio = &done_ccb->csio;
4079 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
4080 	if (csio->bio != NULL)
4081 		biotrack(csio->bio, __func__);
4082 #endif
4083 	state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
4084 	switch (state) {
4085 	case DA_CCB_BUFFER_IO:
4086 	case DA_CCB_DELETE:
4087 	{
4088 		struct bio *bp, *bp1;
4089 
4090 		cam_periph_lock(periph);
4091 		bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
4092 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
4093 			int error;
4094 			int sf;
4095 
4096 			if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
4097 				sf = SF_RETRY_UA;
4098 			else
4099 				sf = 0;
4100 
4101 			error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
4102 			if (error == ERESTART) {
4103 				/*
4104 				 * A retry was scheduled, so
4105 				 * just return.
4106 				 */
4107 				cam_periph_unlock(periph);
4108 				return;
4109 			}
4110 			bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
4111 			if (error != 0) {
4112 				int queued_error;
4113 
4114 				/*
4115 				 * return all queued I/O with EIO, so that
4116 				 * the client can retry these I/Os in the
4117 				 * proper order should it attempt to recover.
4118 				 */
4119 				queued_error = EIO;
4120 
4121 				if (error == ENXIO
4122 				 && (softc->flags & DA_FLAG_PACK_INVALID)== 0) {
4123 					/*
4124 					 * Catastrophic error.  Mark our pack as
4125 					 * invalid.
4126 					 */
4127 					/*
4128 					 * XXX See if this is really a media
4129 					 * XXX change first?
4130 					 */
4131 					xpt_print(periph->path,
4132 					    "Invalidating pack\n");
4133 					softc->flags |= DA_FLAG_PACK_INVALID;
4134 #ifdef CAM_IO_STATS
4135 					softc->invalidations++;
4136 #endif
4137 					queued_error = ENXIO;
4138 				}
4139 				cam_iosched_flush(softc->cam_iosched, NULL,
4140 					   queued_error);
4141 				if (bp != NULL) {
4142 					bp->bio_error = error;
4143 					bp->bio_resid = bp->bio_bcount;
4144 					bp->bio_flags |= BIO_ERROR;
4145 				}
4146 			} else if (bp != NULL) {
4147 				if (state == DA_CCB_DELETE)
4148 					bp->bio_resid = 0;
4149 				else
4150 					bp->bio_resid = csio->resid;
4151 				bp->bio_error = 0;
4152 				if (bp->bio_resid != 0)
4153 					bp->bio_flags |= BIO_ERROR;
4154 			}
4155 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
4156 				cam_release_devq(done_ccb->ccb_h.path,
4157 						 /*relsim_flags*/0,
4158 						 /*reduction*/0,
4159 						 /*timeout*/0,
4160 						 /*getcount_only*/0);
4161 		} else if (bp != NULL) {
4162 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
4163 				panic("REQ_CMP with QFRZN");
4164 			if (bp->bio_cmd == BIO_ZONE)
4165 				dazonedone(periph, done_ccb);
4166 			else if (state == DA_CCB_DELETE)
4167 				bp->bio_resid = 0;
4168 			else
4169 				bp->bio_resid = csio->resid;
4170 			if ((csio->resid > 0)
4171 			 && (bp->bio_cmd != BIO_ZONE))
4172 				bp->bio_flags |= BIO_ERROR;
4173 			if (softc->error_inject != 0) {
4174 				bp->bio_error = softc->error_inject;
4175 				bp->bio_resid = bp->bio_bcount;
4176 				bp->bio_flags |= BIO_ERROR;
4177 				softc->error_inject = 0;
4178 			}
4179 		}
4180 
4181 		if (bp != NULL)
4182 			biotrack(bp, __func__);
4183 		LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
4184 		if (LIST_EMPTY(&softc->pending_ccbs))
4185 			softc->flags |= DA_FLAG_WAS_OTAG;
4186 
4187 		cam_iosched_bio_complete(softc->cam_iosched, bp, done_ccb);
4188 		xpt_release_ccb(done_ccb);
4189 		if (state == DA_CCB_DELETE) {
4190 			TAILQ_HEAD(, bio) queue;
4191 
4192 			TAILQ_INIT(&queue);
4193 			TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue);
4194 			softc->delete_run_queue.insert_point = NULL;
4195 			/*
4196 			 * Normally, the xpt_release_ccb() above would make sure
4197 			 * that when we have more work to do, that work would
4198 			 * get kicked off. However, we specifically keep
4199 			 * delete_running set to 0 before the call above to
4200 			 * allow other I/O to progress when many BIO_DELETE
4201 			 * requests are pushed down. We set delete_running to 0
4202 			 * and call daschedule again so that we don't stall if
4203 			 * there are no other I/Os pending apart from BIO_DELETEs.
4204 			 */
4205 			cam_iosched_trim_done(softc->cam_iosched);
4206 			daschedule(periph);
4207 			cam_periph_unlock(periph);
4208 			while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
4209 				TAILQ_REMOVE(&queue, bp1, bio_queue);
4210 				bp1->bio_error = bp->bio_error;
4211 				if (bp->bio_flags & BIO_ERROR) {
4212 					bp1->bio_flags |= BIO_ERROR;
4213 					bp1->bio_resid = bp1->bio_bcount;
4214 				} else
4215 					bp1->bio_resid = 0;
4216 				biodone(bp1);
4217 			}
4218 		} else {
4219 			daschedule(periph);
4220 			cam_periph_unlock(periph);
4221 		}
4222 		if (bp != NULL)
4223 			biodone(bp);
4224 		return;
4225 	}
4226 	case DA_CCB_PROBE_RC:
4227 	case DA_CCB_PROBE_RC16:
4228 	{
4229 		struct	   scsi_read_capacity_data *rdcap;
4230 		struct     scsi_read_capacity_data_long *rcaplong;
4231 		char	   *announce_buf;
4232 		int	   lbp;
4233 
4234 		lbp = 0;
4235 		rdcap = NULL;
4236 		rcaplong = NULL;
4237 		/* XXX TODO: can this be a malloc? */
4238 		announce_buf = softc->announce_temp;
4239 		bzero(announce_buf, DA_ANNOUNCETMP_SZ);
4240 
4241 		if (state == DA_CCB_PROBE_RC)
4242 			rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
4243 		else
4244 			rcaplong = (struct scsi_read_capacity_data_long *)
4245 				csio->data_ptr;
4246 
4247 		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4248 			struct disk_params *dp;
4249 			uint32_t block_size;
4250 			uint64_t maxsector;
4251 			u_int lalba;	/* Lowest aligned LBA. */
4252 
4253 			if (state == DA_CCB_PROBE_RC) {
4254 				block_size = scsi_4btoul(rdcap->length);
4255 				maxsector = scsi_4btoul(rdcap->addr);
4256 				lalba = 0;
4257 
4258 				/*
4259 				 * According to SBC-2, if the standard 10
4260 				 * byte READ CAPACITY command returns 2^32,
4261 				 * we should issue the 16 byte version of
4262 				 * the command, since the device in question
4263 				 * has more sectors than can be represented
4264 				 * with the short version of the command.
4265 				 */
4266 				if (maxsector == 0xffffffff) {
4267 					free(rdcap, M_SCSIDA);
4268 					xpt_release_ccb(done_ccb);
4269 					softc->state = DA_STATE_PROBE_RC16;
4270 					xpt_schedule(periph, priority);
4271 					return;
4272 				}
4273 			} else {
4274 				block_size = scsi_4btoul(rcaplong->length);
4275 				maxsector = scsi_8btou64(rcaplong->addr);
4276 				lalba = scsi_2btoul(rcaplong->lalba_lbp);
4277 			}
4278 
4279 			/*
4280 			 * Because GEOM code just will panic us if we
4281 			 * give them an 'illegal' value we'll avoid that
4282 			 * here.
4283 			 */
4284 			if (block_size == 0) {
4285 				block_size = 512;
4286 				if (maxsector == 0)
4287 					maxsector = -1;
4288 			}
4289 			if (block_size >= MAXPHYS) {
4290 				xpt_print(periph->path,
4291 				    "unsupportable block size %ju\n",
4292 				    (uintmax_t) block_size);
4293 				announce_buf = NULL;
4294 				cam_periph_invalidate(periph);
4295 			} else {
4296 				/*
4297 				 * We pass rcaplong into dasetgeom(),
4298 				 * because it will only use it if it is
4299 				 * non-NULL.
4300 				 */
4301 				dasetgeom(periph, block_size, maxsector,
4302 					  rcaplong, sizeof(*rcaplong));
4303 				lbp = (lalba & SRC16_LBPME_A);
4304 				dp = &softc->params;
4305 				snprintf(announce_buf, DA_ANNOUNCETMP_SZ,
4306 				    "%juMB (%ju %u byte sectors)",
4307 				    ((uintmax_t)dp->secsize * dp->sectors) /
4308 				     (1024 * 1024),
4309 				    (uintmax_t)dp->sectors, dp->secsize);
4310 			}
4311 		} else {
4312 			int	error;
4313 
4314 			/*
4315 			 * Retry any UNIT ATTENTION type errors.  They
4316 			 * are expected at boot.
4317 			 */
4318 			error = daerror(done_ccb, CAM_RETRY_SELTO,
4319 					SF_RETRY_UA|SF_NO_PRINT);
4320 			if (error == ERESTART) {
4321 				/*
4322 				 * A retry was scheuled, so
4323 				 * just return.
4324 				 */
4325 				return;
4326 			} else if (error != 0) {
4327 				int asc, ascq;
4328 				int sense_key, error_code;
4329 				int have_sense;
4330 				cam_status status;
4331 				struct ccb_getdev cgd;
4332 
4333 				/* Don't wedge this device's queue */
4334 				status = done_ccb->ccb_h.status;
4335 				if ((status & CAM_DEV_QFRZN) != 0)
4336 					cam_release_devq(done_ccb->ccb_h.path,
4337 							 /*relsim_flags*/0,
4338 							 /*reduction*/0,
4339 							 /*timeout*/0,
4340 							 /*getcount_only*/0);
4341 
4342 
4343 				xpt_setup_ccb(&cgd.ccb_h,
4344 					      done_ccb->ccb_h.path,
4345 					      CAM_PRIORITY_NORMAL);
4346 				cgd.ccb_h.func_code = XPT_GDEV_TYPE;
4347 				xpt_action((union ccb *)&cgd);
4348 
4349 				if (scsi_extract_sense_ccb(done_ccb,
4350 				    &error_code, &sense_key, &asc, &ascq))
4351 					have_sense = TRUE;
4352 				else
4353 					have_sense = FALSE;
4354 
4355 				/*
4356 				 * If we tried READ CAPACITY(16) and failed,
4357 				 * fallback to READ CAPACITY(10).
4358 				 */
4359 				if ((state == DA_CCB_PROBE_RC16) &&
4360 				    (softc->flags & DA_FLAG_CAN_RC16) &&
4361 				    (((csio->ccb_h.status & CAM_STATUS_MASK) ==
4362 					CAM_REQ_INVALID) ||
4363 				     ((have_sense) &&
4364 				      (error_code == SSD_CURRENT_ERROR) &&
4365 				      (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
4366 					softc->flags &= ~DA_FLAG_CAN_RC16;
4367 					free(rdcap, M_SCSIDA);
4368 					xpt_release_ccb(done_ccb);
4369 					softc->state = DA_STATE_PROBE_RC;
4370 					xpt_schedule(periph, priority);
4371 					return;
4372 				}
4373 
4374 				/*
4375 				 * Attach to anything that claims to be a
4376 				 * direct access or optical disk device,
4377 				 * as long as it doesn't return a "Logical
4378 				 * unit not supported" (0x25) error.
4379 				 * "Internal Target Failure" (0x44) is also
4380 				 * special and typically means that the
4381 				 * device is a SATA drive behind a SATL
4382 				 * translation that's fallen into a
4383 				 * terminally fatal state.
4384 				 */
4385 				if ((have_sense)
4386 				 && (asc != 0x25) && (asc != 0x44)
4387 				 && (error_code == SSD_CURRENT_ERROR)) {
4388 					const char *sense_key_desc;
4389 					const char *asc_desc;
4390 
4391 					dasetgeom(periph, 512, -1, NULL, 0);
4392 					scsi_sense_desc(sense_key, asc, ascq,
4393 							&cgd.inq_data,
4394 							&sense_key_desc,
4395 							&asc_desc);
4396 					snprintf(announce_buf,
4397 					    DA_ANNOUNCETMP_SZ,
4398 					    "Attempt to query device "
4399 					    "size failed: %s, %s",
4400 					    sense_key_desc, asc_desc);
4401 				} else {
4402 					if (have_sense)
4403 						scsi_sense_print(
4404 							&done_ccb->csio);
4405 					else {
4406 						xpt_print(periph->path,
4407 						    "got CAM status %#x\n",
4408 						    done_ccb->ccb_h.status);
4409 					}
4410 
4411 					xpt_print(periph->path, "fatal error, "
4412 					    "failed to attach to device\n");
4413 
4414 					announce_buf = NULL;
4415 
4416 					/*
4417 					 * Free up resources.
4418 					 */
4419 					cam_periph_invalidate(periph);
4420 				}
4421 			}
4422 		}
4423 		free(csio->data_ptr, M_SCSIDA);
4424 		if (announce_buf != NULL &&
4425 		    ((softc->flags & DA_FLAG_ANNOUNCED) == 0)) {
4426 			struct sbuf sb;
4427 
4428 			sbuf_new(&sb, softc->announcebuf, DA_ANNOUNCE_SZ,
4429 			    SBUF_FIXEDLEN);
4430 			xpt_announce_periph_sbuf(periph, &sb, announce_buf);
4431 			xpt_announce_quirks_sbuf(periph, &sb, softc->quirks,
4432 			    DA_Q_BIT_STRING);
4433 			sbuf_finish(&sb);
4434 			sbuf_putbuf(&sb);
4435 
4436 			/*
4437 			 * Create our sysctl variables, now that we know
4438 			 * we have successfully attached.
4439 			 */
4440 			/* increase the refcount */
4441 			if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
4442 
4443 				taskqueue_enqueue(taskqueue_thread,
4444 						  &softc->sysctl_task);
4445 			} else {
4446 				/* XXX This message is useless! */
4447 				xpt_print(periph->path, "fatal error, "
4448 				    "could not acquire reference count\n");
4449 			}
4450 		}
4451 
4452 		/* We already probed the device. */
4453 		if (softc->flags & DA_FLAG_PROBED) {
4454 			daprobedone(periph, done_ccb);
4455 			return;
4456 		}
4457 
4458 		/* Ensure re-probe doesn't see old delete. */
4459 		softc->delete_available = 0;
4460 		dadeleteflag(softc, DA_DELETE_ZERO, 1);
4461 		if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) {
4462 			/*
4463 			 * Based on older SBC-3 spec revisions
4464 			 * any of the UNMAP methods "may" be
4465 			 * available via LBP given this flag so
4466 			 * we flag all of them as available and
4467 			 * then remove those which further
4468 			 * probes confirm aren't available
4469 			 * later.
4470 			 *
4471 			 * We could also check readcap(16) p_type
4472 			 * flag to exclude one or more invalid
4473 			 * write same (X) types here
4474 			 */
4475 			dadeleteflag(softc, DA_DELETE_WS16, 1);
4476 			dadeleteflag(softc, DA_DELETE_WS10, 1);
4477 			dadeleteflag(softc, DA_DELETE_UNMAP, 1);
4478 
4479 			xpt_release_ccb(done_ccb);
4480 			softc->state = DA_STATE_PROBE_LBP;
4481 			xpt_schedule(periph, priority);
4482 			return;
4483 		}
4484 
4485 		xpt_release_ccb(done_ccb);
4486 		softc->state = DA_STATE_PROBE_BDC;
4487 		xpt_schedule(periph, priority);
4488 		return;
4489 	}
4490 	case DA_CCB_PROBE_LBP:
4491 	{
4492 		struct scsi_vpd_logical_block_prov *lbp;
4493 
4494 		lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr;
4495 
4496 		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4497 			/*
4498 			 * T10/1799-D Revision 31 states at least one of these
4499 			 * must be supported but we don't currently enforce this.
4500 			 */
4501 			dadeleteflag(softc, DA_DELETE_WS16,
4502 				     (lbp->flags & SVPD_LBP_WS16));
4503 			dadeleteflag(softc, DA_DELETE_WS10,
4504 				     (lbp->flags & SVPD_LBP_WS10));
4505 			dadeleteflag(softc, DA_DELETE_UNMAP,
4506 				     (lbp->flags & SVPD_LBP_UNMAP));
4507 		} else {
4508 			int error;
4509 			error = daerror(done_ccb, CAM_RETRY_SELTO,
4510 					SF_RETRY_UA|SF_NO_PRINT);
4511 			if (error == ERESTART)
4512 				return;
4513 			else if (error != 0) {
4514 				if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4515 					/* Don't wedge this device's queue */
4516 					cam_release_devq(done_ccb->ccb_h.path,
4517 							 /*relsim_flags*/0,
4518 							 /*reduction*/0,
4519 							 /*timeout*/0,
4520 							 /*getcount_only*/0);
4521 				}
4522 
4523 				/*
4524 				 * Failure indicates we don't support any SBC-3
4525 				 * delete methods with UNMAP
4526 				 */
4527 			}
4528 		}
4529 
4530 		free(lbp, M_SCSIDA);
4531 		xpt_release_ccb(done_ccb);
4532 		softc->state = DA_STATE_PROBE_BLK_LIMITS;
4533 		xpt_schedule(periph, priority);
4534 		return;
4535 	}
4536 	case DA_CCB_PROBE_BLK_LIMITS:
4537 	{
4538 		struct scsi_vpd_block_limits *block_limits;
4539 
4540 		block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr;
4541 
4542 		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4543 			uint32_t max_txfer_len = scsi_4btoul(
4544 				block_limits->max_txfer_len);
4545 			uint32_t max_unmap_lba_cnt = scsi_4btoul(
4546 				block_limits->max_unmap_lba_cnt);
4547 			uint32_t max_unmap_blk_cnt = scsi_4btoul(
4548 				block_limits->max_unmap_blk_cnt);
4549 			uint32_t unmap_gran = scsi_4btoul(
4550 				block_limits->opt_unmap_grain);
4551 			uint32_t unmap_gran_align = scsi_4btoul(
4552 				block_limits->unmap_grain_align);
4553 			uint64_t ws_max_blks = scsi_8btou64(
4554 				block_limits->max_write_same_length);
4555 
4556 			if (max_txfer_len != 0) {
4557 				softc->disk->d_maxsize = MIN(softc->maxio,
4558 				    (off_t)max_txfer_len * softc->params.secsize);
4559 			}
4560 
4561 			/*
4562 			 * We should already support UNMAP but we check lba
4563 			 * and block count to be sure
4564 			 */
4565 			if (max_unmap_lba_cnt != 0x00L &&
4566 			    max_unmap_blk_cnt != 0x00L) {
4567 				softc->unmap_max_lba = max_unmap_lba_cnt;
4568 				softc->unmap_max_ranges = min(max_unmap_blk_cnt,
4569 					UNMAP_MAX_RANGES);
4570 				if (unmap_gran > 1) {
4571 					softc->unmap_gran = unmap_gran;
4572 					if (unmap_gran_align & 0x80000000) {
4573 						softc->unmap_gran_align =
4574 						    unmap_gran_align &
4575 						    0x7fffffff;
4576 					}
4577 				}
4578 			} else {
4579 				/*
4580 				 * Unexpected UNMAP limits which means the
4581 				 * device doesn't actually support UNMAP
4582 				 */
4583 				dadeleteflag(softc, DA_DELETE_UNMAP, 0);
4584 			}
4585 
4586 			if (ws_max_blks != 0x00L)
4587 				softc->ws_max_blks = ws_max_blks;
4588 		} else {
4589 			int error;
4590 			error = daerror(done_ccb, CAM_RETRY_SELTO,
4591 					SF_RETRY_UA|SF_NO_PRINT);
4592 			if (error == ERESTART)
4593 				return;
4594 			else if (error != 0) {
4595 				if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4596 					/* Don't wedge this device's queue */
4597 					cam_release_devq(done_ccb->ccb_h.path,
4598 							 /*relsim_flags*/0,
4599 							 /*reduction*/0,
4600 							 /*timeout*/0,
4601 							 /*getcount_only*/0);
4602 				}
4603 
4604 				/*
4605 				 * Failure here doesn't mean UNMAP is not
4606 				 * supported as this is an optional page.
4607 				 */
4608 				softc->unmap_max_lba = 1;
4609 				softc->unmap_max_ranges = 1;
4610 			}
4611 		}
4612 
4613 		free(block_limits, M_SCSIDA);
4614 		xpt_release_ccb(done_ccb);
4615 		softc->state = DA_STATE_PROBE_BDC;
4616 		xpt_schedule(periph, priority);
4617 		return;
4618 	}
4619 	case DA_CCB_PROBE_BDC:
4620 	{
4621 		struct scsi_vpd_block_device_characteristics *bdc;
4622 
4623 		bdc = (struct scsi_vpd_block_device_characteristics *)
4624 		    csio->data_ptr;
4625 
4626 		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4627 			uint32_t valid_len;
4628 
4629 			/*
4630 			 * Disable queue sorting for non-rotational media
4631 			 * by default.
4632 			 */
4633 			u_int16_t old_rate = softc->disk->d_rotation_rate;
4634 
4635 			valid_len = csio->dxfer_len - csio->resid;
4636 			if (SBDC_IS_PRESENT(bdc, valid_len,
4637 			    medium_rotation_rate)) {
4638 				softc->disk->d_rotation_rate =
4639 					scsi_2btoul(bdc->medium_rotation_rate);
4640 				if (softc->disk->d_rotation_rate ==
4641 				    SVPD_BDC_RATE_NON_ROTATING) {
4642 					cam_iosched_set_sort_queue(
4643 					    softc->cam_iosched, 0);
4644 					softc->rotating = 0;
4645 				}
4646 				if (softc->disk->d_rotation_rate != old_rate) {
4647 					disk_attr_changed(softc->disk,
4648 					    "GEOM::rotation_rate", M_NOWAIT);
4649 				}
4650 			}
4651 			if ((SBDC_IS_PRESENT(bdc, valid_len, flags))
4652 			 && (softc->zone_mode == DA_ZONE_NONE)) {
4653 				int ata_proto;
4654 
4655 				if (scsi_vpd_supported_page(periph,
4656 				    SVPD_ATA_INFORMATION))
4657 					ata_proto = 1;
4658 				else
4659 					ata_proto = 0;
4660 
4661 				/*
4662 				 * The Zoned field will only be set for
4663 				 * Drive Managed and Host Aware drives.  If
4664 				 * they are Host Managed, the device type
4665 				 * in the standard INQUIRY data should be
4666 				 * set to T_ZBC_HM (0x14).
4667 				 */
4668 				if ((bdc->flags & SVPD_ZBC_MASK) ==
4669 				     SVPD_HAW_ZBC) {
4670 					softc->zone_mode = DA_ZONE_HOST_AWARE;
4671 					softc->zone_interface = (ata_proto) ?
4672 					   DA_ZONE_IF_ATA_SAT : DA_ZONE_IF_SCSI;
4673 				} else if ((bdc->flags & SVPD_ZBC_MASK) ==
4674 				     SVPD_DM_ZBC) {
4675 					softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
4676 					softc->zone_interface = (ata_proto) ?
4677 					   DA_ZONE_IF_ATA_SAT : DA_ZONE_IF_SCSI;
4678 				} else if ((bdc->flags & SVPD_ZBC_MASK) !=
4679 					  SVPD_ZBC_NR) {
4680 					xpt_print(periph->path, "Unknown zoned "
4681 					    "type %#x",
4682 					    bdc->flags & SVPD_ZBC_MASK);
4683 				}
4684 			}
4685 		} else {
4686 			int error;
4687 			error = daerror(done_ccb, CAM_RETRY_SELTO,
4688 					SF_RETRY_UA|SF_NO_PRINT);
4689 			if (error == ERESTART)
4690 				return;
4691 			else if (error != 0) {
4692 				if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4693 					/* Don't wedge this device's queue */
4694 					cam_release_devq(done_ccb->ccb_h.path,
4695 							 /*relsim_flags*/0,
4696 							 /*reduction*/0,
4697 							 /*timeout*/0,
4698 							 /*getcount_only*/0);
4699 				}
4700 			}
4701 		}
4702 
4703 		free(bdc, M_SCSIDA);
4704 		xpt_release_ccb(done_ccb);
4705 		softc->state = DA_STATE_PROBE_ATA;
4706 		xpt_schedule(periph, priority);
4707 		return;
4708 	}
4709 	case DA_CCB_PROBE_ATA:
4710 	{
4711 		int i;
4712 		struct ata_params *ata_params;
4713 		int continue_probe;
4714 		int error;
4715 		int16_t *ptr;
4716 
4717 		ata_params = (struct ata_params *)csio->data_ptr;
4718 		ptr = (uint16_t *)ata_params;
4719 		continue_probe = 0;
4720 		error = 0;
4721 
4722 		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4723 			uint16_t old_rate;
4724 
4725 			for (i = 0; i < sizeof(*ata_params) / 2; i++)
4726 				ptr[i] = le16toh(ptr[i]);
4727 			if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM &&
4728 			    (softc->quirks & DA_Q_NO_UNMAP) == 0) {
4729 				dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1);
4730 				if (ata_params->max_dsm_blocks != 0)
4731 					softc->trim_max_ranges = min(
4732 					  softc->trim_max_ranges,
4733 					  ata_params->max_dsm_blocks *
4734 					  ATA_DSM_BLK_RANGES);
4735 			}
4736 			/*
4737 			 * Disable queue sorting for non-rotational media
4738 			 * by default.
4739 			 */
4740 			old_rate = softc->disk->d_rotation_rate;
4741 			softc->disk->d_rotation_rate =
4742 			    ata_params->media_rotation_rate;
4743 			if (softc->disk->d_rotation_rate ==
4744 			    ATA_RATE_NON_ROTATING) {
4745 				cam_iosched_set_sort_queue(softc->cam_iosched, 0);
4746 				softc->rotating = 0;
4747 			}
4748 			if (softc->disk->d_rotation_rate != old_rate) {
4749 				disk_attr_changed(softc->disk,
4750 				    "GEOM::rotation_rate", M_NOWAIT);
4751 			}
4752 
4753 			if (ata_params->capabilities1 & ATA_SUPPORT_DMA)
4754 				softc->flags |= DA_FLAG_CAN_ATA_DMA;
4755 
4756 			if (ata_params->support.extension &
4757 			    ATA_SUPPORT_GENLOG)
4758 				softc->flags |= DA_FLAG_CAN_ATA_LOG;
4759 
4760 			/*
4761 			 * At this point, if we have a SATA host aware drive,
4762 			 * we communicate via ATA passthrough unless the
4763 			 * SAT layer supports ZBC -> ZAC translation.  In
4764 			 * that case,
4765 			 */
4766 			/*
4767 			 * XXX KDM figure out how to detect a host managed
4768 			 * SATA drive.
4769 			 */
4770 			if (softc->zone_mode == DA_ZONE_NONE) {
4771 				/*
4772 				 * Note that we don't override the zone
4773 				 * mode or interface if it has already been
4774 				 * set.  This is because it has either been
4775 				 * set as a quirk, or when we probed the
4776 				 * SCSI Block Device Characteristics page,
4777 				 * the zoned field was set.  The latter
4778 				 * means that the SAT layer supports ZBC to
4779 				 * ZAC translation, and we would prefer to
4780 				 * use that if it is available.
4781 				 */
4782 				if ((ata_params->support3 &
4783 				    ATA_SUPPORT_ZONE_MASK) ==
4784 				    ATA_SUPPORT_ZONE_HOST_AWARE) {
4785 					softc->zone_mode = DA_ZONE_HOST_AWARE;
4786 					softc->zone_interface =
4787 					    DA_ZONE_IF_ATA_PASS;
4788 				} else if ((ata_params->support3 &
4789 					    ATA_SUPPORT_ZONE_MASK) ==
4790 					    ATA_SUPPORT_ZONE_DEV_MANAGED) {
4791 					softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
4792 					softc->zone_interface =
4793 					    DA_ZONE_IF_ATA_PASS;
4794 				}
4795 			}
4796 
4797 		} else {
4798 			error = daerror(done_ccb, CAM_RETRY_SELTO,
4799 					SF_RETRY_UA|SF_NO_PRINT);
4800 			if (error == ERESTART)
4801 				return;
4802 			else if (error != 0) {
4803 				if ((done_ccb->ccb_h.status &
4804 				     CAM_DEV_QFRZN) != 0) {
4805 					/* Don't wedge this device's queue */
4806 					cam_release_devq(done_ccb->ccb_h.path,
4807 							 /*relsim_flags*/0,
4808 							 /*reduction*/0,
4809 							 /*timeout*/0,
4810 							 /*getcount_only*/0);
4811 				}
4812 			}
4813 		}
4814 
4815 		free(ata_params, M_SCSIDA);
4816 		if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
4817 		 || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
4818 			/*
4819 			 * If the ATA IDENTIFY failed, we could be talking
4820 			 * to a SCSI drive, although that seems unlikely,
4821 			 * since the drive did report that it supported the
4822 			 * ATA Information VPD page.  If the ATA IDENTIFY
4823 			 * succeeded, and the SAT layer doesn't support
4824 			 * ZBC -> ZAC translation, continue on to get the
4825 			 * directory of ATA logs, and complete the rest of
4826 			 * the ZAC probe.  If the SAT layer does support
4827 			 * ZBC -> ZAC translation, we want to use that,
4828 			 * and we'll probe the SCSI Zoned Block Device
4829 			 * Characteristics VPD page next.
4830 			 */
4831 			if ((error == 0)
4832 			 && (softc->flags & DA_FLAG_CAN_ATA_LOG)
4833 			 && (softc->zone_interface == DA_ZONE_IF_ATA_PASS))
4834 				softc->state = DA_STATE_PROBE_ATA_LOGDIR;
4835 			else
4836 				softc->state = DA_STATE_PROBE_ZONE;
4837 			continue_probe = 1;
4838 		}
4839 		if (continue_probe != 0) {
4840 			xpt_release_ccb(done_ccb);
4841 			xpt_schedule(periph, priority);
4842 			return;
4843 		} else
4844 			daprobedone(periph, done_ccb);
4845 		return;
4846 	}
4847 	case DA_CCB_PROBE_ATA_LOGDIR:
4848 	{
4849 		int error;
4850 
4851 		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4852 			error = 0;
4853 			softc->valid_logdir_len = 0;
4854 			bzero(&softc->ata_logdir, sizeof(softc->ata_logdir));
4855 			softc->valid_logdir_len =
4856 				csio->dxfer_len - csio->resid;
4857 			if (softc->valid_logdir_len > 0)
4858 				bcopy(csio->data_ptr, &softc->ata_logdir,
4859 				    min(softc->valid_logdir_len,
4860 					sizeof(softc->ata_logdir)));
4861 			/*
4862 			 * Figure out whether the Identify Device log is
4863 			 * supported.  The General Purpose log directory
4864 			 * has a header, and lists the number of pages
4865 			 * available for each GP log identified by the
4866 			 * offset into the list.
4867 			 */
4868 			if ((softc->valid_logdir_len >=
4869 			    ((ATA_IDENTIFY_DATA_LOG + 1) * sizeof(uint16_t)))
4870 			 && (le16dec(softc->ata_logdir.header) ==
4871 			     ATA_GP_LOG_DIR_VERSION)
4872 			 && (le16dec(&softc->ata_logdir.num_pages[
4873 			     (ATA_IDENTIFY_DATA_LOG *
4874 			     sizeof(uint16_t)) - sizeof(uint16_t)]) > 0)){
4875 				softc->flags |= DA_FLAG_CAN_ATA_IDLOG;
4876 			} else {
4877 				softc->flags &= ~DA_FLAG_CAN_ATA_IDLOG;
4878 			}
4879 		} else {
4880 			error = daerror(done_ccb, CAM_RETRY_SELTO,
4881 					SF_RETRY_UA|SF_NO_PRINT);
4882 			if (error == ERESTART)
4883 				return;
4884 			else if (error != 0) {
4885 				/*
4886 				 * If we can't get the ATA log directory,
4887 				 * then ATA logs are effectively not
4888 				 * supported even if the bit is set in the
4889 				 * identify data.
4890 				 */
4891 				softc->flags &= ~(DA_FLAG_CAN_ATA_LOG |
4892 						  DA_FLAG_CAN_ATA_IDLOG);
4893 				if ((done_ccb->ccb_h.status &
4894 				     CAM_DEV_QFRZN) != 0) {
4895 					/* Don't wedge this device's queue */
4896 					cam_release_devq(done_ccb->ccb_h.path,
4897 							 /*relsim_flags*/0,
4898 							 /*reduction*/0,
4899 							 /*timeout*/0,
4900 							 /*getcount_only*/0);
4901 				}
4902 			}
4903 		}
4904 
4905 		free(csio->data_ptr, M_SCSIDA);
4906 
4907 		if ((error == 0)
4908 		 && (softc->flags & DA_FLAG_CAN_ATA_IDLOG)) {
4909 			softc->state = DA_STATE_PROBE_ATA_IDDIR;
4910 			xpt_release_ccb(done_ccb);
4911 			xpt_schedule(periph, priority);
4912 			return;
4913 		}
4914 		daprobedone(periph, done_ccb);
4915 		return;
4916 	}
4917 	case DA_CCB_PROBE_ATA_IDDIR:
4918 	{
4919 		int error;
4920 
4921 		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4922 			off_t entries_offset, max_entries;
4923 			error = 0;
4924 
4925 			softc->valid_iddir_len = 0;
4926 			bzero(&softc->ata_iddir, sizeof(softc->ata_iddir));
4927 			softc->flags &= ~(DA_FLAG_CAN_ATA_SUPCAP |
4928 					  DA_FLAG_CAN_ATA_ZONE);
4929 			softc->valid_iddir_len =
4930 				csio->dxfer_len - csio->resid;
4931 			if (softc->valid_iddir_len > 0)
4932 				bcopy(csio->data_ptr, &softc->ata_iddir,
4933 				    min(softc->valid_iddir_len,
4934 					sizeof(softc->ata_iddir)));
4935 
4936 			entries_offset =
4937 			    __offsetof(struct ata_identify_log_pages,entries);
4938 			max_entries = softc->valid_iddir_len - entries_offset;
4939 			if ((softc->valid_iddir_len > (entries_offset + 1))
4940 			 && (le64dec(softc->ata_iddir.header) ==
4941 			     ATA_IDLOG_REVISION)
4942 			 && (softc->ata_iddir.entry_count > 0)) {
4943 				int num_entries, i;
4944 
4945 				num_entries = softc->ata_iddir.entry_count;
4946 				num_entries = min(num_entries,
4947 				   softc->valid_iddir_len - entries_offset);
4948 				for (i = 0; i < num_entries &&
4949 				     i < max_entries; i++) {
4950 					if (softc->ata_iddir.entries[i] ==
4951 					    ATA_IDL_SUP_CAP)
4952 						softc->flags |=
4953 						    DA_FLAG_CAN_ATA_SUPCAP;
4954 					else if (softc->ata_iddir.entries[i]==
4955 						 ATA_IDL_ZDI)
4956 						softc->flags |=
4957 						    DA_FLAG_CAN_ATA_ZONE;
4958 
4959 					if ((softc->flags &
4960 					     DA_FLAG_CAN_ATA_SUPCAP)
4961 					 && (softc->flags &
4962 					     DA_FLAG_CAN_ATA_ZONE))
4963 						break;
4964 				}
4965 			}
4966 		} else {
4967 			error = daerror(done_ccb, CAM_RETRY_SELTO,
4968 					SF_RETRY_UA|SF_NO_PRINT);
4969 			if (error == ERESTART)
4970 				return;
4971 			else if (error != 0) {
4972 				/*
4973 				 * If we can't get the ATA Identify Data log
4974 				 * directory, then it effectively isn't
4975 				 * supported even if the ATA Log directory
4976 				 * a non-zero number of pages present for
4977 				 * this log.
4978 				 */
4979 				softc->flags &= ~DA_FLAG_CAN_ATA_IDLOG;
4980 				if ((done_ccb->ccb_h.status &
4981 				     CAM_DEV_QFRZN) != 0) {
4982 					/* Don't wedge this device's queue */
4983 					cam_release_devq(done_ccb->ccb_h.path,
4984 							 /*relsim_flags*/0,
4985 							 /*reduction*/0,
4986 							 /*timeout*/0,
4987 							 /*getcount_only*/0);
4988 				}
4989 			}
4990 		}
4991 
4992 		free(csio->data_ptr, M_SCSIDA);
4993 
4994 		if ((error == 0)
4995 		 && (softc->flags & DA_FLAG_CAN_ATA_SUPCAP)) {
4996 			softc->state = DA_STATE_PROBE_ATA_SUP;
4997 			xpt_release_ccb(done_ccb);
4998 			xpt_schedule(periph, priority);
4999 			return;
5000 		}
5001 		daprobedone(periph, done_ccb);
5002 		return;
5003 	}
5004 	case DA_CCB_PROBE_ATA_SUP:
5005 	{
5006 		int error;
5007 
5008 		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5009 			uint32_t valid_len;
5010 			size_t needed_size;
5011 			struct ata_identify_log_sup_cap *sup_cap;
5012 			error = 0;
5013 
5014 			sup_cap = (struct ata_identify_log_sup_cap *)
5015 			    csio->data_ptr;
5016 			valid_len = csio->dxfer_len - csio->resid;
5017 			needed_size =
5018 			    __offsetof(struct ata_identify_log_sup_cap,
5019 			    sup_zac_cap) + 1 + sizeof(sup_cap->sup_zac_cap);
5020 			if (valid_len >= needed_size) {
5021 				uint64_t zoned, zac_cap;
5022 
5023 				zoned = le64dec(sup_cap->zoned_cap);
5024 				if (zoned & ATA_ZONED_VALID) {
5025 					/*
5026 					 * This should have already been
5027 					 * set, because this is also in the
5028 					 * ATA identify data.
5029 					 */
5030 					if ((zoned & ATA_ZONED_MASK) ==
5031 					    ATA_SUPPORT_ZONE_HOST_AWARE)
5032 						softc->zone_mode =
5033 						    DA_ZONE_HOST_AWARE;
5034 					else if ((zoned & ATA_ZONED_MASK) ==
5035 					    ATA_SUPPORT_ZONE_DEV_MANAGED)
5036 						softc->zone_mode =
5037 						    DA_ZONE_DRIVE_MANAGED;
5038 				}
5039 
5040 				zac_cap = le64dec(sup_cap->sup_zac_cap);
5041 				if (zac_cap & ATA_SUP_ZAC_CAP_VALID) {
5042 					if (zac_cap & ATA_REPORT_ZONES_SUP)
5043 						softc->zone_flags |=
5044 						    DA_ZONE_FLAG_RZ_SUP;
5045 					if (zac_cap & ATA_ND_OPEN_ZONE_SUP)
5046 						softc->zone_flags |=
5047 						    DA_ZONE_FLAG_OPEN_SUP;
5048 					if (zac_cap & ATA_ND_CLOSE_ZONE_SUP)
5049 						softc->zone_flags |=
5050 						    DA_ZONE_FLAG_CLOSE_SUP;
5051 					if (zac_cap & ATA_ND_FINISH_ZONE_SUP)
5052 						softc->zone_flags |=
5053 						    DA_ZONE_FLAG_FINISH_SUP;
5054 					if (zac_cap & ATA_ND_RWP_SUP)
5055 						softc->zone_flags |=
5056 						    DA_ZONE_FLAG_RWP_SUP;
5057 				} else {
5058 					/*
5059 					 * This field was introduced in
5060 					 * ACS-4, r08 on April 28th, 2015.
5061 					 * If the drive firmware was written
5062 					 * to an earlier spec, it won't have
5063 					 * the field.  So, assume all
5064 					 * commands are supported.
5065 					 */
5066 					softc->zone_flags |=
5067 					    DA_ZONE_FLAG_SUP_MASK;
5068 				}
5069 
5070 			}
5071 		} else {
5072 			error = daerror(done_ccb, CAM_RETRY_SELTO,
5073 					SF_RETRY_UA|SF_NO_PRINT);
5074 			if (error == ERESTART)
5075 				return;
5076 			else if (error != 0) {
5077 				/*
5078 				 * If we can't get the ATA Identify Data
5079 				 * Supported Capabilities page, clear the
5080 				 * flag...
5081 				 */
5082 				softc->flags &= ~DA_FLAG_CAN_ATA_SUPCAP;
5083 				/*
5084 				 * And clear zone capabilities.
5085 				 */
5086 				softc->zone_flags &= ~DA_ZONE_FLAG_SUP_MASK;
5087 				if ((done_ccb->ccb_h.status &
5088 				     CAM_DEV_QFRZN) != 0) {
5089 					/* Don't wedge this device's queue */
5090 					cam_release_devq(done_ccb->ccb_h.path,
5091 							 /*relsim_flags*/0,
5092 							 /*reduction*/0,
5093 							 /*timeout*/0,
5094 							 /*getcount_only*/0);
5095 				}
5096 			}
5097 		}
5098 
5099 		free(csio->data_ptr, M_SCSIDA);
5100 
5101 		if ((error == 0)
5102 		 && (softc->flags & DA_FLAG_CAN_ATA_ZONE)) {
5103 			softc->state = DA_STATE_PROBE_ATA_ZONE;
5104 			xpt_release_ccb(done_ccb);
5105 			xpt_schedule(periph, priority);
5106 			return;
5107 		}
5108 		daprobedone(periph, done_ccb);
5109 		return;
5110 	}
5111 	case DA_CCB_PROBE_ATA_ZONE:
5112 	{
5113 		int error;
5114 
5115 		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5116 			struct ata_zoned_info_log *zi_log;
5117 			uint32_t valid_len;
5118 			size_t needed_size;
5119 
5120 			zi_log = (struct ata_zoned_info_log *)csio->data_ptr;
5121 
5122 			valid_len = csio->dxfer_len - csio->resid;
5123 			needed_size = __offsetof(struct ata_zoned_info_log,
5124 			    version_info) + 1 + sizeof(zi_log->version_info);
5125 			if (valid_len >= needed_size) {
5126 				uint64_t tmpvar;
5127 
5128 				tmpvar = le64dec(zi_log->zoned_cap);
5129 				if (tmpvar & ATA_ZDI_CAP_VALID) {
5130 					if (tmpvar & ATA_ZDI_CAP_URSWRZ)
5131 						softc->zone_flags |=
5132 						    DA_ZONE_FLAG_URSWRZ;
5133 					else
5134 						softc->zone_flags &=
5135 						    ~DA_ZONE_FLAG_URSWRZ;
5136 				}
5137 				tmpvar = le64dec(zi_log->optimal_seq_zones);
5138 				if (tmpvar & ATA_ZDI_OPT_SEQ_VALID) {
5139 					softc->zone_flags |=
5140 					    DA_ZONE_FLAG_OPT_SEQ_SET;
5141 					softc->optimal_seq_zones = (tmpvar &
5142 					    ATA_ZDI_OPT_SEQ_MASK);
5143 				} else {
5144 					softc->zone_flags &=
5145 					    ~DA_ZONE_FLAG_OPT_SEQ_SET;
5146 					softc->optimal_seq_zones = 0;
5147 				}
5148 
5149 				tmpvar =le64dec(zi_log->optimal_nonseq_zones);
5150 				if (tmpvar & ATA_ZDI_OPT_NS_VALID) {
5151 					softc->zone_flags |=
5152 					    DA_ZONE_FLAG_OPT_NONSEQ_SET;
5153 					softc->optimal_nonseq_zones =
5154 					    (tmpvar & ATA_ZDI_OPT_NS_MASK);
5155 				} else {
5156 					softc->zone_flags &=
5157 					    ~DA_ZONE_FLAG_OPT_NONSEQ_SET;
5158 					softc->optimal_nonseq_zones = 0;
5159 				}
5160 
5161 				tmpvar = le64dec(zi_log->max_seq_req_zones);
5162 				if (tmpvar & ATA_ZDI_MAX_SEQ_VALID) {
5163 					softc->zone_flags |=
5164 					    DA_ZONE_FLAG_MAX_SEQ_SET;
5165 					softc->max_seq_zones =
5166 					    (tmpvar & ATA_ZDI_MAX_SEQ_MASK);
5167 				} else {
5168 					softc->zone_flags &=
5169 					    ~DA_ZONE_FLAG_MAX_SEQ_SET;
5170 					softc->max_seq_zones = 0;
5171 				}
5172 			}
5173 		} else {
5174 			error = daerror(done_ccb, CAM_RETRY_SELTO,
5175 					SF_RETRY_UA|SF_NO_PRINT);
5176 			if (error == ERESTART)
5177 				return;
5178 			else if (error != 0) {
5179 				softc->flags &= ~DA_FLAG_CAN_ATA_ZONE;
5180 				softc->flags &= ~DA_ZONE_FLAG_SET_MASK;
5181 
5182 				if ((done_ccb->ccb_h.status &
5183 				     CAM_DEV_QFRZN) != 0) {
5184 					/* Don't wedge this device's queue */
5185 					cam_release_devq(done_ccb->ccb_h.path,
5186 							 /*relsim_flags*/0,
5187 							 /*reduction*/0,
5188 							 /*timeout*/0,
5189 							 /*getcount_only*/0);
5190 				}
5191 			}
5192 
5193 		}
5194 		free(csio->data_ptr, M_SCSIDA);
5195 
5196 		daprobedone(periph, done_ccb);
5197 		return;
5198 	}
5199 	case DA_CCB_PROBE_ZONE:
5200 	{
5201 		int error;
5202 
5203 		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5204 			uint32_t valid_len;
5205 			size_t needed_len;
5206 			struct scsi_vpd_zoned_bdc *zoned_bdc;
5207 
5208 			error = 0;
5209 			zoned_bdc = (struct scsi_vpd_zoned_bdc *)
5210 				csio->data_ptr;
5211 			valid_len = csio->dxfer_len - csio->resid;
5212 			needed_len = __offsetof(struct scsi_vpd_zoned_bdc,
5213 			    max_seq_req_zones) + 1 +
5214 			    sizeof(zoned_bdc->max_seq_req_zones);
5215 			if ((valid_len >= needed_len)
5216 			 && (scsi_2btoul(zoned_bdc->page_length) >=
5217 			     SVPD_ZBDC_PL)) {
5218 				if (zoned_bdc->flags & SVPD_ZBDC_URSWRZ)
5219 					softc->zone_flags |=
5220 					    DA_ZONE_FLAG_URSWRZ;
5221 				else
5222 					softc->zone_flags &=
5223 					    ~DA_ZONE_FLAG_URSWRZ;
5224 				softc->optimal_seq_zones =
5225 				    scsi_4btoul(zoned_bdc->optimal_seq_zones);
5226 				softc->zone_flags |= DA_ZONE_FLAG_OPT_SEQ_SET;
5227 				softc->optimal_nonseq_zones = scsi_4btoul(
5228 				    zoned_bdc->optimal_nonseq_zones);
5229 				softc->zone_flags |=
5230 				    DA_ZONE_FLAG_OPT_NONSEQ_SET;
5231 				softc->max_seq_zones =
5232 				    scsi_4btoul(zoned_bdc->max_seq_req_zones);
5233 				softc->zone_flags |= DA_ZONE_FLAG_MAX_SEQ_SET;
5234 			}
5235 			/*
5236 			 * All of the zone commands are mandatory for SCSI
5237 			 * devices.
5238 			 *
5239 			 * XXX KDM this is valid as of September 2015.
5240 			 * Re-check this assumption once the SAT spec is
5241 			 * updated to support SCSI ZBC to ATA ZAC mapping.
5242 			 * Since ATA allows zone commands to be reported
5243 			 * as supported or not, this may not necessarily
5244 			 * be true for an ATA device behind a SAT (SCSI to
5245 			 * ATA Translation) layer.
5246 			 */
5247 			softc->zone_flags |= DA_ZONE_FLAG_SUP_MASK;
5248 		} else {
5249 			error = daerror(done_ccb, CAM_RETRY_SELTO,
5250 					SF_RETRY_UA|SF_NO_PRINT);
5251 			if (error == ERESTART)
5252 				return;
5253 			else if (error != 0) {
5254 				if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5255 					/* Don't wedge this device's queue */
5256 					cam_release_devq(done_ccb->ccb_h.path,
5257 							 /*relsim_flags*/0,
5258 							 /*reduction*/0,
5259 							 /*timeout*/0,
5260 							 /*getcount_only*/0);
5261 				}
5262 			}
5263 		}
5264 		daprobedone(periph, done_ccb);
5265 		return;
5266 	}
5267 	case DA_CCB_DUMP:
5268 		/* No-op.  We're polling */
5269 		return;
5270 	case DA_CCB_TUR:
5271 	{
5272 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
5273 
5274 			if (daerror(done_ccb, CAM_RETRY_SELTO,
5275 			    SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) ==
5276 			    ERESTART)
5277 				return;
5278 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
5279 				cam_release_devq(done_ccb->ccb_h.path,
5280 						 /*relsim_flags*/0,
5281 						 /*reduction*/0,
5282 						 /*timeout*/0,
5283 						 /*getcount_only*/0);
5284 		}
5285 		xpt_release_ccb(done_ccb);
5286 		cam_periph_release_locked(periph);
5287 		return;
5288 	}
5289 	default:
5290 		break;
5291 	}
5292 	xpt_release_ccb(done_ccb);
5293 }
5294 
5295 static void
5296 dareprobe(struct cam_periph *periph)
5297 {
5298 	struct da_softc	  *softc;
5299 	cam_status status;
5300 
5301 	softc = (struct da_softc *)periph->softc;
5302 
5303 	/* Probe in progress; don't interfere. */
5304 	if (softc->state != DA_STATE_NORMAL)
5305 		return;
5306 
5307 	status = cam_periph_acquire(periph);
5308 	KASSERT(status == CAM_REQ_CMP,
5309 	    ("dareprobe: cam_periph_acquire failed"));
5310 
5311 	if (softc->flags & DA_FLAG_CAN_RC16)
5312 		softc->state = DA_STATE_PROBE_RC16;
5313 	else
5314 		softc->state = DA_STATE_PROBE_RC;
5315 
5316 	xpt_schedule(periph, CAM_PRIORITY_DEV);
5317 }
5318 
5319 static int
5320 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
5321 {
5322 	struct da_softc	  *softc;
5323 	struct cam_periph *periph;
5324 	int error, error_code, sense_key, asc, ascq;
5325 
5326 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
5327 	if (ccb->csio.bio != NULL)
5328 		biotrack(ccb->csio.bio, __func__);
5329 #endif
5330 
5331 	periph = xpt_path_periph(ccb->ccb_h.path);
5332 	softc = (struct da_softc *)periph->softc;
5333 
5334  	/*
5335 	 * Automatically detect devices that do not support
5336  	 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
5337  	 */
5338 	error = 0;
5339 	if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
5340 		error = cmd6workaround(ccb);
5341 	} else if (scsi_extract_sense_ccb(ccb,
5342 	    &error_code, &sense_key, &asc, &ascq)) {
5343 		if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
5344  			error = cmd6workaround(ccb);
5345 		/*
5346 		 * If the target replied with CAPACITY DATA HAS CHANGED UA,
5347 		 * query the capacity and notify upper layers.
5348 		 */
5349 		else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5350 		    asc == 0x2A && ascq == 0x09) {
5351 			xpt_print(periph->path, "Capacity data has changed\n");
5352 			softc->flags &= ~DA_FLAG_PROBED;
5353 			dareprobe(periph);
5354 			sense_flags |= SF_NO_PRINT;
5355 		} else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5356 		    asc == 0x28 && ascq == 0x00) {
5357 			softc->flags &= ~DA_FLAG_PROBED;
5358 			disk_media_changed(softc->disk, M_NOWAIT);
5359 		} else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5360 		    asc == 0x3F && ascq == 0x03) {
5361 			xpt_print(periph->path, "INQUIRY data has changed\n");
5362 			softc->flags &= ~DA_FLAG_PROBED;
5363 			dareprobe(periph);
5364 			sense_flags |= SF_NO_PRINT;
5365 		} else if (sense_key == SSD_KEY_NOT_READY &&
5366 		    asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
5367 			softc->flags |= DA_FLAG_PACK_INVALID;
5368 			disk_media_gone(softc->disk, M_NOWAIT);
5369 		}
5370 	}
5371 	if (error == ERESTART)
5372 		return (ERESTART);
5373 
5374 #ifdef CAM_IO_STATS
5375 	switch (ccb->ccb_h.status & CAM_STATUS_MASK) {
5376 	case CAM_CMD_TIMEOUT:
5377 		softc->timeouts++;
5378 		break;
5379 	case CAM_REQ_ABORTED:
5380 	case CAM_REQ_CMP_ERR:
5381 	case CAM_REQ_TERMIO:
5382 	case CAM_UNREC_HBA_ERROR:
5383 	case CAM_DATA_RUN_ERR:
5384 		softc->errors++;
5385 		break;
5386 	default:
5387 		break;
5388 	}
5389 #endif
5390 
5391 	/*
5392 	 * XXX
5393 	 * Until we have a better way of doing pack validation,
5394 	 * don't treat UAs as errors.
5395 	 */
5396 	sense_flags |= SF_RETRY_UA;
5397 
5398 	if (softc->quirks & DA_Q_RETRY_BUSY)
5399 		sense_flags |= SF_RETRY_BUSY;
5400 	return(cam_periph_error(ccb, cam_flags, sense_flags,
5401 				&softc->saved_ccb));
5402 }
5403 
5404 static void
5405 damediapoll(void *arg)
5406 {
5407 	struct cam_periph *periph = arg;
5408 	struct da_softc *softc = periph->softc;
5409 
5410 	if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR) &&
5411 	    LIST_EMPTY(&softc->pending_ccbs)) {
5412 		if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
5413 			cam_iosched_set_work_flags(softc->cam_iosched, DA_WORK_TUR);
5414 			daschedule(periph);
5415 		}
5416 	}
5417 	/* Queue us up again */
5418 	if (da_poll_period != 0)
5419 		callout_schedule(&softc->mediapoll_c, da_poll_period * hz);
5420 }
5421 
5422 static void
5423 daprevent(struct cam_periph *periph, int action)
5424 {
5425 	struct	da_softc *softc;
5426 	union	ccb *ccb;
5427 	int	error;
5428 
5429 	softc = (struct da_softc *)periph->softc;
5430 
5431 	if (((action == PR_ALLOW)
5432 	  && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
5433 	 || ((action == PR_PREVENT)
5434 	  && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
5435 		return;
5436 	}
5437 
5438 	ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
5439 
5440 	scsi_prevent(&ccb->csio,
5441 		     /*retries*/1,
5442 		     /*cbcfp*/dadone,
5443 		     MSG_SIMPLE_Q_TAG,
5444 		     action,
5445 		     SSD_FULL_SIZE,
5446 		     5000);
5447 
5448 	error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
5449 	    SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat);
5450 
5451 	if (error == 0) {
5452 		if (action == PR_ALLOW)
5453 			softc->flags &= ~DA_FLAG_PACK_LOCKED;
5454 		else
5455 			softc->flags |= DA_FLAG_PACK_LOCKED;
5456 	}
5457 
5458 	xpt_release_ccb(ccb);
5459 }
5460 
5461 static void
5462 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
5463 	  struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
5464 {
5465 	struct ccb_calc_geometry ccg;
5466 	struct da_softc *softc;
5467 	struct disk_params *dp;
5468 	u_int lbppbe, lalba;
5469 	int error;
5470 
5471 	softc = (struct da_softc *)periph->softc;
5472 
5473 	dp = &softc->params;
5474 	dp->secsize = block_len;
5475 	dp->sectors = maxsector + 1;
5476 	if (rcaplong != NULL) {
5477 		lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
5478 		lalba = scsi_2btoul(rcaplong->lalba_lbp);
5479 		lalba &= SRC16_LALBA_A;
5480 	} else {
5481 		lbppbe = 0;
5482 		lalba = 0;
5483 	}
5484 
5485 	if (lbppbe > 0) {
5486 		dp->stripesize = block_len << lbppbe;
5487 		dp->stripeoffset = (dp->stripesize - block_len * lalba) %
5488 		    dp->stripesize;
5489 	} else if (softc->quirks & DA_Q_4K) {
5490 		dp->stripesize = 4096;
5491 		dp->stripeoffset = 0;
5492 	} else if (softc->unmap_gran != 0) {
5493 		dp->stripesize = block_len * softc->unmap_gran;
5494 		dp->stripeoffset = (dp->stripesize - block_len *
5495 		    softc->unmap_gran_align) % dp->stripesize;
5496 	} else {
5497 		dp->stripesize = 0;
5498 		dp->stripeoffset = 0;
5499 	}
5500 	/*
5501 	 * Have the controller provide us with a geometry
5502 	 * for this disk.  The only time the geometry
5503 	 * matters is when we boot and the controller
5504 	 * is the only one knowledgeable enough to come
5505 	 * up with something that will make this a bootable
5506 	 * device.
5507 	 */
5508 	xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
5509 	ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
5510 	ccg.block_size = dp->secsize;
5511 	ccg.volume_size = dp->sectors;
5512 	ccg.heads = 0;
5513 	ccg.secs_per_track = 0;
5514 	ccg.cylinders = 0;
5515 	xpt_action((union ccb*)&ccg);
5516 	if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
5517 		/*
5518 		 * We don't know what went wrong here- but just pick
5519 		 * a geometry so we don't have nasty things like divide
5520 		 * by zero.
5521 		 */
5522 		dp->heads = 255;
5523 		dp->secs_per_track = 255;
5524 		dp->cylinders = dp->sectors / (255 * 255);
5525 		if (dp->cylinders == 0) {
5526 			dp->cylinders = 1;
5527 		}
5528 	} else {
5529 		dp->heads = ccg.heads;
5530 		dp->secs_per_track = ccg.secs_per_track;
5531 		dp->cylinders = ccg.cylinders;
5532 	}
5533 
5534 	/*
5535 	 * If the user supplied a read capacity buffer, and if it is
5536 	 * different than the previous buffer, update the data in the EDT.
5537 	 * If it's the same, we don't bother.  This avoids sending an
5538 	 * update every time someone opens this device.
5539 	 */
5540 	if ((rcaplong != NULL)
5541 	 && (bcmp(rcaplong, &softc->rcaplong,
5542 		  min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
5543 		struct ccb_dev_advinfo cdai;
5544 
5545 		xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
5546 		cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
5547 		cdai.buftype = CDAI_TYPE_RCAPLONG;
5548 		cdai.flags = CDAI_FLAG_STORE;
5549 		cdai.bufsiz = rcap_len;
5550 		cdai.buf = (uint8_t *)rcaplong;
5551 		xpt_action((union ccb *)&cdai);
5552 		if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
5553 			cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
5554 		if (cdai.ccb_h.status != CAM_REQ_CMP) {
5555 			xpt_print(periph->path, "%s: failed to set read "
5556 				  "capacity advinfo\n", __func__);
5557 			/* Use cam_error_print() to decode the status */
5558 			cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
5559 					CAM_EPF_ALL);
5560 		} else {
5561 			bcopy(rcaplong, &softc->rcaplong,
5562 			      min(sizeof(softc->rcaplong), rcap_len));
5563 		}
5564 	}
5565 
5566 	softc->disk->d_sectorsize = softc->params.secsize;
5567 	softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
5568 	softc->disk->d_stripesize = softc->params.stripesize;
5569 	softc->disk->d_stripeoffset = softc->params.stripeoffset;
5570 	/* XXX: these are not actually "firmware" values, so they may be wrong */
5571 	softc->disk->d_fwsectors = softc->params.secs_per_track;
5572 	softc->disk->d_fwheads = softc->params.heads;
5573 	softc->disk->d_devstat->block_size = softc->params.secsize;
5574 	softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
5575 
5576 	error = disk_resize(softc->disk, M_NOWAIT);
5577 	if (error != 0)
5578 		xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error);
5579 }
5580 
5581 static void
5582 dasendorderedtag(void *arg)
5583 {
5584 	struct da_softc *softc = arg;
5585 
5586 	if (da_send_ordered) {
5587 		if (!LIST_EMPTY(&softc->pending_ccbs)) {
5588 			if ((softc->flags & DA_FLAG_WAS_OTAG) == 0)
5589 				softc->flags |= DA_FLAG_NEED_OTAG;
5590 			softc->flags &= ~DA_FLAG_WAS_OTAG;
5591 		}
5592 	}
5593 	/* Queue us up again */
5594 	callout_reset(&softc->sendordered_c,
5595 	    (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
5596 	    dasendorderedtag, softc);
5597 }
5598 
5599 /*
5600  * Step through all DA peripheral drivers, and if the device is still open,
5601  * sync the disk cache to physical media.
5602  */
5603 static void
5604 dashutdown(void * arg, int howto)
5605 {
5606 	struct cam_periph *periph;
5607 	struct da_softc *softc;
5608 	union ccb *ccb;
5609 	int error;
5610 
5611 	CAM_PERIPH_FOREACH(periph, &dadriver) {
5612 		softc = (struct da_softc *)periph->softc;
5613 		if (SCHEDULER_STOPPED()) {
5614 			/* If we paniced with the lock held, do not recurse. */
5615 			if (!cam_periph_owned(periph) &&
5616 			    (softc->flags & DA_FLAG_OPEN)) {
5617 				dadump(softc->disk, NULL, 0, 0, 0);
5618 			}
5619 			continue;
5620 		}
5621 		cam_periph_lock(periph);
5622 
5623 		/*
5624 		 * We only sync the cache if the drive is still open, and
5625 		 * if the drive is capable of it..
5626 		 */
5627 		if (((softc->flags & DA_FLAG_OPEN) == 0)
5628 		 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
5629 			cam_periph_unlock(periph);
5630 			continue;
5631 		}
5632 
5633 		ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
5634 		scsi_synchronize_cache(&ccb->csio,
5635 				       /*retries*/0,
5636 				       /*cbfcnp*/dadone,
5637 				       MSG_SIMPLE_Q_TAG,
5638 				       /*begin_lba*/0, /* whole disk */
5639 				       /*lb_count*/0,
5640 				       SSD_FULL_SIZE,
5641 				       60 * 60 * 1000);
5642 
5643 		error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
5644 		    /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
5645 		    softc->disk->d_devstat);
5646 		if (error != 0)
5647 			xpt_print(periph->path, "Synchronize cache failed\n");
5648 		xpt_release_ccb(ccb);
5649 		cam_periph_unlock(periph);
5650 	}
5651 }
5652 
5653 #else /* !_KERNEL */
5654 
5655 /*
5656  * XXX These are only left out of the kernel build to silence warnings.  If,
5657  * for some reason these functions are used in the kernel, the ifdefs should
5658  * be moved so they are included both in the kernel and userland.
5659  */
5660 void
5661 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
5662 		 void (*cbfcnp)(struct cam_periph *, union ccb *),
5663 		 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
5664 		 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
5665 		 u_int32_t timeout)
5666 {
5667 	struct scsi_format_unit *scsi_cmd;
5668 
5669 	scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
5670 	scsi_cmd->opcode = FORMAT_UNIT;
5671 	scsi_cmd->byte2 = byte2;
5672 	scsi_ulto2b(ileave, scsi_cmd->interleave);
5673 
5674 	cam_fill_csio(csio,
5675 		      retries,
5676 		      cbfcnp,
5677 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
5678 		      tag_action,
5679 		      data_ptr,
5680 		      dxfer_len,
5681 		      sense_len,
5682 		      sizeof(*scsi_cmd),
5683 		      timeout);
5684 }
5685 
5686 void
5687 scsi_read_defects(struct ccb_scsiio *csio, uint32_t retries,
5688 		  void (*cbfcnp)(struct cam_periph *, union ccb *),
5689 		  uint8_t tag_action, uint8_t list_format,
5690 		  uint32_t addr_desc_index, uint8_t *data_ptr,
5691 		  uint32_t dxfer_len, int minimum_cmd_size,
5692 		  uint8_t sense_len, uint32_t timeout)
5693 {
5694 	uint8_t cdb_len;
5695 
5696 	/*
5697 	 * These conditions allow using the 10 byte command.  Otherwise we
5698 	 * need to use the 12 byte command.
5699 	 */
5700 	if ((minimum_cmd_size <= 10)
5701 	 && (addr_desc_index == 0)
5702 	 && (dxfer_len <= SRDD10_MAX_LENGTH)) {
5703 		struct scsi_read_defect_data_10 *cdb10;
5704 
5705 		cdb10 = (struct scsi_read_defect_data_10 *)
5706 			&csio->cdb_io.cdb_bytes;
5707 
5708 		cdb_len = sizeof(*cdb10);
5709 		bzero(cdb10, cdb_len);
5710                 cdb10->opcode = READ_DEFECT_DATA_10;
5711                 cdb10->format = list_format;
5712                 scsi_ulto2b(dxfer_len, cdb10->alloc_length);
5713 	} else {
5714 		struct scsi_read_defect_data_12 *cdb12;
5715 
5716 		cdb12 = (struct scsi_read_defect_data_12 *)
5717 			&csio->cdb_io.cdb_bytes;
5718 
5719 		cdb_len = sizeof(*cdb12);
5720 		bzero(cdb12, cdb_len);
5721                 cdb12->opcode = READ_DEFECT_DATA_12;
5722                 cdb12->format = list_format;
5723                 scsi_ulto4b(dxfer_len, cdb12->alloc_length);
5724 		scsi_ulto4b(addr_desc_index, cdb12->address_descriptor_index);
5725 	}
5726 
5727 	cam_fill_csio(csio,
5728 		      retries,
5729 		      cbfcnp,
5730 		      /*flags*/ CAM_DIR_IN,
5731 		      tag_action,
5732 		      data_ptr,
5733 		      dxfer_len,
5734 		      sense_len,
5735 		      cdb_len,
5736 		      timeout);
5737 }
5738 
5739 void
5740 scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
5741 	      void (*cbfcnp)(struct cam_periph *, union ccb *),
5742 	      u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
5743 	      u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
5744 	      u_int32_t timeout)
5745 {
5746 	struct scsi_sanitize *scsi_cmd;
5747 
5748 	scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes;
5749 	scsi_cmd->opcode = SANITIZE;
5750 	scsi_cmd->byte2 = byte2;
5751 	scsi_cmd->control = control;
5752 	scsi_ulto2b(dxfer_len, scsi_cmd->length);
5753 
5754 	cam_fill_csio(csio,
5755 		      retries,
5756 		      cbfcnp,
5757 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
5758 		      tag_action,
5759 		      data_ptr,
5760 		      dxfer_len,
5761 		      sense_len,
5762 		      sizeof(*scsi_cmd),
5763 		      timeout);
5764 }
5765 
5766 #endif /* _KERNEL */
5767 
5768 void
5769 scsi_zbc_out(struct ccb_scsiio *csio, uint32_t retries,
5770 	     void (*cbfcnp)(struct cam_periph *, union ccb *),
5771 	     uint8_t tag_action, uint8_t service_action, uint64_t zone_id,
5772 	     uint8_t zone_flags, uint8_t *data_ptr, uint32_t dxfer_len,
5773 	     uint8_t sense_len, uint32_t timeout)
5774 {
5775 	struct scsi_zbc_out *scsi_cmd;
5776 
5777 	scsi_cmd = (struct scsi_zbc_out *)&csio->cdb_io.cdb_bytes;
5778 	scsi_cmd->opcode = ZBC_OUT;
5779 	scsi_cmd->service_action = service_action;
5780 	scsi_u64to8b(zone_id, scsi_cmd->zone_id);
5781 	scsi_cmd->zone_flags = zone_flags;
5782 
5783 	cam_fill_csio(csio,
5784 		      retries,
5785 		      cbfcnp,
5786 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
5787 		      tag_action,
5788 		      data_ptr,
5789 		      dxfer_len,
5790 		      sense_len,
5791 		      sizeof(*scsi_cmd),
5792 		      timeout);
5793 }
5794 
5795 void
5796 scsi_zbc_in(struct ccb_scsiio *csio, uint32_t retries,
5797 	    void (*cbfcnp)(struct cam_periph *, union ccb *),
5798 	    uint8_t tag_action, uint8_t service_action, uint64_t zone_start_lba,
5799 	    uint8_t zone_options, uint8_t *data_ptr, uint32_t dxfer_len,
5800 	    uint8_t sense_len, uint32_t timeout)
5801 {
5802 	struct scsi_zbc_in *scsi_cmd;
5803 
5804 	scsi_cmd = (struct scsi_zbc_in *)&csio->cdb_io.cdb_bytes;
5805 	scsi_cmd->opcode = ZBC_IN;
5806 	scsi_cmd->service_action = service_action;
5807 	scsi_ulto4b(dxfer_len, scsi_cmd->length);
5808 	scsi_u64to8b(zone_start_lba, scsi_cmd->zone_start_lba);
5809 	scsi_cmd->zone_options = zone_options;
5810 
5811 	cam_fill_csio(csio,
5812 		      retries,
5813 		      cbfcnp,
5814 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_IN : CAM_DIR_NONE,
5815 		      tag_action,
5816 		      data_ptr,
5817 		      dxfer_len,
5818 		      sense_len,
5819 		      sizeof(*scsi_cmd),
5820 		      timeout);
5821 
5822 }
5823 
5824 int
5825 scsi_ata_zac_mgmt_out(struct ccb_scsiio *csio, uint32_t retries,
5826 		      void (*cbfcnp)(struct cam_periph *, union ccb *),
5827 		      uint8_t tag_action, int use_ncq,
5828 		      uint8_t zm_action, uint64_t zone_id, uint8_t zone_flags,
5829 		      uint8_t *data_ptr, uint32_t dxfer_len,
5830 		      uint8_t *cdb_storage, size_t cdb_storage_len,
5831 		      uint8_t sense_len, uint32_t timeout)
5832 {
5833 	uint8_t command_out, protocol, ata_flags;
5834 	uint16_t features_out;
5835 	uint32_t sectors_out, auxiliary;
5836 	int retval;
5837 
5838 	retval = 0;
5839 
5840 	if (use_ncq == 0) {
5841 		command_out = ATA_ZAC_MANAGEMENT_OUT;
5842 		features_out = (zm_action & 0xf) | (zone_flags << 8);
5843 		ata_flags = AP_FLAG_BYT_BLOK_BLOCKS;
5844 		if (dxfer_len == 0) {
5845 			protocol = AP_PROTO_NON_DATA;
5846 			ata_flags |= AP_FLAG_TLEN_NO_DATA;
5847 			sectors_out = 0;
5848 		} else {
5849 			protocol = AP_PROTO_DMA;
5850 			ata_flags |= AP_FLAG_TLEN_SECT_CNT |
5851 				     AP_FLAG_TDIR_TO_DEV;
5852 			sectors_out = ((dxfer_len >> 9) & 0xffff);
5853 		}
5854 		auxiliary = 0;
5855 	} else {
5856 		ata_flags = AP_FLAG_BYT_BLOK_BLOCKS;
5857 		if (dxfer_len == 0) {
5858 			command_out = ATA_NCQ_NON_DATA;
5859 			features_out = ATA_NCQ_ZAC_MGMT_OUT;
5860 			/*
5861 			 * We're assuming the SCSI to ATA translation layer
5862 			 * will set the NCQ tag number in the tag field.
5863 			 * That isn't clear from the SAT-4 spec (as of rev 05).
5864 			 */
5865 			sectors_out = 0;
5866 			ata_flags |= AP_FLAG_TLEN_NO_DATA;
5867 		} else {
5868 			command_out = ATA_SEND_FPDMA_QUEUED;
5869 			/*
5870 			 * Note that we're defaulting to normal priority,
5871 			 * and assuming that the SCSI to ATA translation
5872 			 * layer will insert the NCQ tag number in the tag
5873 			 * field.  That isn't clear in the SAT-4 spec (as
5874 			 * of rev 05).
5875 			 */
5876 			sectors_out = ATA_SFPDMA_ZAC_MGMT_OUT << 8;
5877 
5878 			ata_flags |= AP_FLAG_TLEN_FEAT |
5879 				     AP_FLAG_TDIR_TO_DEV;
5880 
5881 			/*
5882 			 * For SEND FPDMA QUEUED, the transfer length is
5883 			 * encoded in the FEATURE register, and 0 means
5884 			 * that 65536 512 byte blocks are to be tranferred.
5885 			 * In practice, it seems unlikely that we'll see
5886 			 * a transfer that large, and it may confuse the
5887 			 * the SAT layer, because generally that means that
5888 			 * 0 bytes should be transferred.
5889 			 */
5890 			if (dxfer_len == (65536 * 512)) {
5891 				features_out = 0;
5892 			} else if (dxfer_len <= (65535 * 512)) {
5893 				features_out = ((dxfer_len >> 9) & 0xffff);
5894 			} else {
5895 				/* The transfer is too big. */
5896 				retval = 1;
5897 				goto bailout;
5898 			}
5899 
5900 		}
5901 
5902 		auxiliary = (zm_action & 0xf) | (zone_flags << 8);
5903 		protocol = AP_PROTO_FPDMA;
5904 	}
5905 
5906 	protocol |= AP_EXTEND;
5907 
5908 	retval = scsi_ata_pass(csio,
5909 	    retries,
5910 	    cbfcnp,
5911 	    /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
5912 	    tag_action,
5913 	    /*protocol*/ protocol,
5914 	    /*ata_flags*/ ata_flags,
5915 	    /*features*/ features_out,
5916 	    /*sector_count*/ sectors_out,
5917 	    /*lba*/ zone_id,
5918 	    /*command*/ command_out,
5919 	    /*device*/ 0,
5920 	    /*icc*/ 0,
5921 	    /*auxiliary*/ auxiliary,
5922 	    /*control*/ 0,
5923 	    /*data_ptr*/ data_ptr,
5924 	    /*dxfer_len*/ dxfer_len,
5925 	    /*cdb_storage*/ cdb_storage,
5926 	    /*cdb_storage_len*/ cdb_storage_len,
5927 	    /*minimum_cmd_size*/ 0,
5928 	    /*sense_len*/ SSD_FULL_SIZE,
5929 	    /*timeout*/ timeout);
5930 
5931 bailout:
5932 
5933 	return (retval);
5934 }
5935 
5936 int
5937 scsi_ata_zac_mgmt_in(struct ccb_scsiio *csio, uint32_t retries,
5938 		     void (*cbfcnp)(struct cam_periph *, union ccb *),
5939 		     uint8_t tag_action, int use_ncq,
5940 		     uint8_t zm_action, uint64_t zone_id, uint8_t zone_flags,
5941 		     uint8_t *data_ptr, uint32_t dxfer_len,
5942 		     uint8_t *cdb_storage, size_t cdb_storage_len,
5943 		     uint8_t sense_len, uint32_t timeout)
5944 {
5945 	uint8_t command_out, protocol;
5946 	uint16_t features_out, sectors_out;
5947 	uint32_t auxiliary;
5948 	int ata_flags;
5949 	int retval;
5950 
5951 	retval = 0;
5952 	ata_flags = AP_FLAG_TDIR_FROM_DEV | AP_FLAG_BYT_BLOK_BLOCKS;
5953 
5954 	if (use_ncq == 0) {
5955 		command_out = ATA_ZAC_MANAGEMENT_IN;
5956 		/* XXX KDM put a macro here */
5957 		features_out = (zm_action & 0xf) | (zone_flags << 8);
5958 		sectors_out = dxfer_len >> 9; /* XXX KDM macro */
5959 		protocol = AP_PROTO_DMA;
5960 		ata_flags |= AP_FLAG_TLEN_SECT_CNT;
5961 		auxiliary = 0;
5962 	} else {
5963 		ata_flags |= AP_FLAG_TLEN_FEAT;
5964 
5965 		command_out = ATA_RECV_FPDMA_QUEUED;
5966 		sectors_out = ATA_RFPDMA_ZAC_MGMT_IN << 8;
5967 
5968 		/*
5969 		 * For RECEIVE FPDMA QUEUED, the transfer length is
5970 		 * encoded in the FEATURE register, and 0 means
5971 		 * that 65536 512 byte blocks are to be tranferred.
5972 		 * In practice, it seems unlikely that we'll see
5973 		 * a transfer that large, and it may confuse the
5974 		 * the SAT layer, because generally that means that
5975 		 * 0 bytes should be transferred.
5976 		 */
5977 		if (dxfer_len == (65536 * 512)) {
5978 			features_out = 0;
5979 		} else if (dxfer_len <= (65535 * 512)) {
5980 			features_out = ((dxfer_len >> 9) & 0xffff);
5981 		} else {
5982 			/* The transfer is too big. */
5983 			retval = 1;
5984 			goto bailout;
5985 		}
5986 		auxiliary = (zm_action & 0xf) | (zone_flags << 8),
5987 		protocol = AP_PROTO_FPDMA;
5988 	}
5989 
5990 	protocol |= AP_EXTEND;
5991 
5992 	retval = scsi_ata_pass(csio,
5993 	    retries,
5994 	    cbfcnp,
5995 	    /*flags*/ CAM_DIR_IN,
5996 	    tag_action,
5997 	    /*protocol*/ protocol,
5998 	    /*ata_flags*/ ata_flags,
5999 	    /*features*/ features_out,
6000 	    /*sector_count*/ sectors_out,
6001 	    /*lba*/ zone_id,
6002 	    /*command*/ command_out,
6003 	    /*device*/ 0,
6004 	    /*icc*/ 0,
6005 	    /*auxiliary*/ auxiliary,
6006 	    /*control*/ 0,
6007 	    /*data_ptr*/ data_ptr,
6008 	    /*dxfer_len*/ (dxfer_len >> 9) * 512, /* XXX KDM */
6009 	    /*cdb_storage*/ cdb_storage,
6010 	    /*cdb_storage_len*/ cdb_storage_len,
6011 	    /*minimum_cmd_size*/ 0,
6012 	    /*sense_len*/ SSD_FULL_SIZE,
6013 	    /*timeout*/ timeout);
6014 
6015 bailout:
6016 	return (retval);
6017 }
6018