xref: /freebsd/sys/cam/scsi/scsi_da.c (revision dcc4d2939f789a6d1f272ffeab2068ba2b7525ea)
1 /*-
2  * Implementation of SCSI Direct Access Peripheral driver for CAM.
3  *
4  * SPDX-License-Identifier: BSD-2-Clause
5  *
6  * Copyright (c) 1997 Justin T. Gibbs.
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions, and the following disclaimer,
14  *    without modification, immediately at the beginning of the file.
15  * 2. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
22  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30 
31 #include <sys/param.h>
32 
33 #ifdef _KERNEL
34 #include "opt_da.h"
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/reboot.h>
50 #include <sys/sbuf.h>
51 #include <geom/geom.h>
52 #include <geom/geom_disk.h>
53 #include <machine/atomic.h>
54 #endif /* _KERNEL */
55 
56 #ifndef _KERNEL
57 #include <stdio.h>
58 #include <string.h>
59 #endif /* _KERNEL */
60 
61 #include <cam/cam.h>
62 #include <cam/cam_ccb.h>
63 #include <cam/cam_periph.h>
64 #include <cam/cam_xpt_periph.h>
65 #ifdef _KERNEL
66 #include <cam/cam_xpt_internal.h>
67 #endif /* _KERNEL */
68 #include <cam/cam_sim.h>
69 #include <cam/cam_iosched.h>
70 
71 #include <cam/scsi/scsi_message.h>
72 #include <cam/scsi/scsi_da.h>
73 
74 #ifdef _KERNEL
75 /*
76  * Note that there are probe ordering dependencies here.  The order isn't
77  * controlled by this enumeration, but by explicit state transitions in
78  * dastart() and dadone().  Here are some of the dependencies:
79  *
80  * 1. RC should come first, before RC16, unless there is evidence that RC16
81  *    is supported.
82  * 2. BDC needs to come before any of the ATA probes, or the ZONE probe.
83  * 3. The ATA probes should go in this order:
84  *    ATA -> LOGDIR -> IDDIR -> SUP -> ATA_ZONE
85  */
86 typedef enum {
87 	DA_STATE_PROBE_WP,
88 	DA_STATE_PROBE_RC,
89 	DA_STATE_PROBE_RC16,
90 	DA_STATE_PROBE_LBP,
91 	DA_STATE_PROBE_BLK_LIMITS,
92 	DA_STATE_PROBE_BDC,
93 	DA_STATE_PROBE_ATA,
94 	DA_STATE_PROBE_ATA_LOGDIR,
95 	DA_STATE_PROBE_ATA_IDDIR,
96 	DA_STATE_PROBE_ATA_SUP,
97 	DA_STATE_PROBE_ATA_ZONE,
98 	DA_STATE_PROBE_ZONE,
99 	DA_STATE_NORMAL
100 } da_state;
101 
102 typedef enum {
103 	DA_FLAG_PACK_INVALID	= 0x000001,
104 	DA_FLAG_NEW_PACK	= 0x000002,
105 	DA_FLAG_PACK_LOCKED	= 0x000004,
106 	DA_FLAG_PACK_REMOVABLE	= 0x000008,
107 	DA_FLAG_ROTATING	= 0x000010,
108 	DA_FLAG_NEED_OTAG	= 0x000020,
109 	DA_FLAG_WAS_OTAG	= 0x000040,
110 	DA_FLAG_RETRY_UA	= 0x000080,
111 	DA_FLAG_OPEN		= 0x000100,
112 	DA_FLAG_SCTX_INIT	= 0x000200,
113 	DA_FLAG_CAN_RC16	= 0x000400,
114 	DA_FLAG_PROBED		= 0x000800,
115 	DA_FLAG_DIRTY		= 0x001000,
116 	DA_FLAG_ANNOUNCED	= 0x002000,
117 	DA_FLAG_CAN_ATA_DMA	= 0x004000,
118 	DA_FLAG_CAN_ATA_LOG	= 0x008000,
119 	DA_FLAG_CAN_ATA_IDLOG	= 0x010000,
120 	DA_FLAG_CAN_ATA_SUPCAP	= 0x020000,
121 	DA_FLAG_CAN_ATA_ZONE	= 0x040000,
122 	DA_FLAG_TUR_PENDING	= 0x080000,
123 	DA_FLAG_UNMAPPEDIO	= 0x100000
124 } da_flags;
125 #define DA_FLAG_STRING		\
126 	"\020"			\
127 	"\001PACK_INVALID"	\
128 	"\002NEW_PACK"		\
129 	"\003PACK_LOCKED"	\
130 	"\004PACK_REMOVABLE"	\
131 	"\005ROTATING"		\
132 	"\006NEED_OTAG"		\
133 	"\007WAS_OTAG"		\
134 	"\010RETRY_UA"		\
135 	"\011OPEN"		\
136 	"\012SCTX_INIT"		\
137 	"\013CAN_RC16"		\
138 	"\014PROBED"		\
139 	"\015DIRTY"		\
140 	"\016ANNOUCNED"		\
141 	"\017CAN_ATA_DMA"	\
142 	"\020CAN_ATA_LOG"	\
143 	"\021CAN_ATA_IDLOG"	\
144 	"\022CAN_ATA_SUPACP"	\
145 	"\023CAN_ATA_ZONE"	\
146 	"\024TUR_PENDING"	\
147 	"\025UNMAPPEDIO"
148 
149 typedef enum {
150 	DA_Q_NONE		= 0x00,
151 	DA_Q_NO_SYNC_CACHE	= 0x01,
152 	DA_Q_NO_6_BYTE		= 0x02,
153 	DA_Q_NO_PREVENT		= 0x04,
154 	DA_Q_4K			= 0x08,
155 	DA_Q_NO_RC16		= 0x10,
156 	DA_Q_NO_UNMAP		= 0x20,
157 	DA_Q_RETRY_BUSY		= 0x40,
158 	DA_Q_SMR_DM		= 0x80,
159 	DA_Q_STRICT_UNMAP	= 0x100,
160 	DA_Q_128KB		= 0x200
161 } da_quirks;
162 
163 #define DA_Q_BIT_STRING		\
164 	"\020"			\
165 	"\001NO_SYNC_CACHE"	\
166 	"\002NO_6_BYTE"		\
167 	"\003NO_PREVENT"	\
168 	"\0044K"		\
169 	"\005NO_RC16"		\
170 	"\006NO_UNMAP"		\
171 	"\007RETRY_BUSY"	\
172 	"\010SMR_DM"		\
173 	"\011STRICT_UNMAP"	\
174 	"\012128KB"
175 
176 typedef enum {
177 	DA_CCB_PROBE_RC		= 0x01,
178 	DA_CCB_PROBE_RC16	= 0x02,
179 	DA_CCB_PROBE_LBP	= 0x03,
180 	DA_CCB_PROBE_BLK_LIMITS	= 0x04,
181 	DA_CCB_PROBE_BDC	= 0x05,
182 	DA_CCB_PROBE_ATA	= 0x06,
183 	DA_CCB_BUFFER_IO	= 0x07,
184 	DA_CCB_DUMP		= 0x0A,
185 	DA_CCB_DELETE		= 0x0B,
186 	DA_CCB_TUR		= 0x0C,
187 	DA_CCB_PROBE_ZONE	= 0x0D,
188 	DA_CCB_PROBE_ATA_LOGDIR	= 0x0E,
189 	DA_CCB_PROBE_ATA_IDDIR	= 0x0F,
190 	DA_CCB_PROBE_ATA_SUP	= 0x10,
191 	DA_CCB_PROBE_ATA_ZONE	= 0x11,
192 	DA_CCB_PROBE_WP		= 0x12,
193 	DA_CCB_TYPE_MASK	= 0x1F,
194 	DA_CCB_RETRY_UA		= 0x20
195 } da_ccb_state;
196 
197 /*
198  * Order here is important for method choice
199  *
200  * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to
201  * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes
202  * using ATA_TRIM than the corresponding UNMAP results for a real world mysql
203  * import taking 5mins.
204  *
205  */
206 typedef enum {
207 	DA_DELETE_NONE,
208 	DA_DELETE_DISABLE,
209 	DA_DELETE_ATA_TRIM,
210 	DA_DELETE_UNMAP,
211 	DA_DELETE_WS16,
212 	DA_DELETE_WS10,
213 	DA_DELETE_ZERO,
214 	DA_DELETE_MIN = DA_DELETE_ATA_TRIM,
215 	DA_DELETE_MAX = DA_DELETE_ZERO
216 } da_delete_methods;
217 
218 /*
219  * For SCSI, host managed drives show up as a separate device type.  For
220  * ATA, host managed drives also have a different device signature.
221  * XXX KDM figure out the ATA host managed signature.
222  */
223 typedef enum {
224 	DA_ZONE_NONE		= 0x00,
225 	DA_ZONE_DRIVE_MANAGED	= 0x01,
226 	DA_ZONE_HOST_AWARE	= 0x02,
227 	DA_ZONE_HOST_MANAGED	= 0x03
228 } da_zone_mode;
229 
230 /*
231  * We distinguish between these interface cases in addition to the drive type:
232  * o ATA drive behind a SCSI translation layer that knows about ZBC/ZAC
233  * o ATA drive behind a SCSI translation layer that does not know about
234  *   ZBC/ZAC, and so needs to be managed via ATA passthrough.  In this
235  *   case, we would need to share the ATA code with the ada(4) driver.
236  * o SCSI drive.
237  */
238 typedef enum {
239 	DA_ZONE_IF_SCSI,
240 	DA_ZONE_IF_ATA_PASS,
241 	DA_ZONE_IF_ATA_SAT,
242 } da_zone_interface;
243 
244 typedef enum {
245 	DA_ZONE_FLAG_RZ_SUP		= 0x0001,
246 	DA_ZONE_FLAG_OPEN_SUP		= 0x0002,
247 	DA_ZONE_FLAG_CLOSE_SUP		= 0x0004,
248 	DA_ZONE_FLAG_FINISH_SUP		= 0x0008,
249 	DA_ZONE_FLAG_RWP_SUP		= 0x0010,
250 	DA_ZONE_FLAG_SUP_MASK		= (DA_ZONE_FLAG_RZ_SUP |
251 					   DA_ZONE_FLAG_OPEN_SUP |
252 					   DA_ZONE_FLAG_CLOSE_SUP |
253 					   DA_ZONE_FLAG_FINISH_SUP |
254 					   DA_ZONE_FLAG_RWP_SUP),
255 	DA_ZONE_FLAG_URSWRZ		= 0x0020,
256 	DA_ZONE_FLAG_OPT_SEQ_SET	= 0x0040,
257 	DA_ZONE_FLAG_OPT_NONSEQ_SET	= 0x0080,
258 	DA_ZONE_FLAG_MAX_SEQ_SET	= 0x0100,
259 	DA_ZONE_FLAG_SET_MASK		= (DA_ZONE_FLAG_OPT_SEQ_SET |
260 					   DA_ZONE_FLAG_OPT_NONSEQ_SET |
261 					   DA_ZONE_FLAG_MAX_SEQ_SET)
262 } da_zone_flags;
263 
264 static struct da_zone_desc {
265 	da_zone_flags value;
266 	const char *desc;
267 } da_zone_desc_table[] = {
268 	{DA_ZONE_FLAG_RZ_SUP, "Report Zones" },
269 	{DA_ZONE_FLAG_OPEN_SUP, "Open" },
270 	{DA_ZONE_FLAG_CLOSE_SUP, "Close" },
271 	{DA_ZONE_FLAG_FINISH_SUP, "Finish" },
272 	{DA_ZONE_FLAG_RWP_SUP, "Reset Write Pointer" },
273 };
274 
275 typedef void da_delete_func_t (struct cam_periph *periph, union ccb *ccb,
276 			      struct bio *bp);
277 static da_delete_func_t da_delete_trim;
278 static da_delete_func_t da_delete_unmap;
279 static da_delete_func_t da_delete_ws;
280 
281 static const void * da_delete_functions[] = {
282 	NULL,
283 	NULL,
284 	da_delete_trim,
285 	da_delete_unmap,
286 	da_delete_ws,
287 	da_delete_ws,
288 	da_delete_ws
289 };
290 
291 static const char *da_delete_method_names[] =
292     { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" };
293 static const char *da_delete_method_desc[] =
294     { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP",
295       "WRITE SAME(10) with UNMAP", "ZERO" };
296 
297 /* Offsets into our private area for storing information */
298 #define ccb_state	ppriv_field0
299 #define ccb_bp		ppriv_ptr1
300 
301 struct disk_params {
302 	uint8_t  heads;
303 	uint32_t cylinders;
304 	uint8_t  secs_per_track;
305 	uint32_t secsize;	/* Number of bytes/sector */
306 	uint64_t sectors;	/* total number sectors */
307 	u_int     stripesize;
308 	u_int     stripeoffset;
309 };
310 
311 #define UNMAP_RANGE_MAX		0xffffffff
312 #define UNMAP_HEAD_SIZE		8
313 #define UNMAP_RANGE_SIZE	16
314 #define UNMAP_MAX_RANGES	2048 /* Protocol Max is 4095 */
315 #define UNMAP_BUF_SIZE		((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \
316 				UNMAP_HEAD_SIZE)
317 
318 #define WS10_MAX_BLKS		0xffff
319 #define WS16_MAX_BLKS		0xffffffff
320 #define ATA_TRIM_MAX_RANGES	((UNMAP_BUF_SIZE / \
321 	(ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE)
322 
323 #define DA_WORK_TUR		(1 << 16)
324 
325 typedef enum {
326 	DA_REF_OPEN = 1,
327 	DA_REF_OPEN_HOLD,
328 	DA_REF_CLOSE_HOLD,
329 	DA_REF_TUR,
330 	DA_REF_GEOM,
331 	DA_REF_SYSCTL,
332 	DA_REF_REPROBE,
333 	DA_REF_MAX		/* KEEP LAST */
334 } da_ref_token;
335 
336 struct da_softc {
337 	struct   cam_iosched_softc *cam_iosched;
338 	struct	 bio_queue_head delete_run_queue;
339 	LIST_HEAD(, ccb_hdr) pending_ccbs;
340 	int	 refcount;		/* Active xpt_action() calls */
341 	da_state state;
342 	da_flags flags;
343 	da_quirks quirks;
344 	int	 minimum_cmd_size;
345 	int	 mode_page;
346 	int	 error_inject;
347 	int	 trim_max_ranges;
348 	int	 delete_available;	/* Delete methods possibly available */
349 	da_zone_mode			zone_mode;
350 	da_zone_interface		zone_interface;
351 	da_zone_flags			zone_flags;
352 	struct ata_gp_log_dir		ata_logdir;
353 	int				valid_logdir_len;
354 	struct ata_identify_log_pages	ata_iddir;
355 	int				valid_iddir_len;
356 	uint64_t			optimal_seq_zones;
357 	uint64_t			optimal_nonseq_zones;
358 	uint64_t			max_seq_zones;
359 	u_int			maxio;
360 	uint32_t		unmap_max_ranges;
361 	uint32_t		unmap_max_lba; /* Max LBAs in UNMAP req */
362 	uint32_t		unmap_gran;
363 	uint32_t		unmap_gran_align;
364 	uint64_t		ws_max_blks;
365 	uint64_t		trim_count;
366 	uint64_t		trim_ranges;
367 	uint64_t		trim_lbas;
368 	da_delete_methods	delete_method_pref;
369 	da_delete_methods	delete_method;
370 	da_delete_func_t	*delete_func;
371 	int			p_type;
372 	struct	 disk_params params;
373 	struct	 disk *disk;
374 	struct task		sysctl_task;
375 	struct sysctl_ctx_list	sysctl_ctx;
376 	struct sysctl_oid	*sysctl_tree;
377 	struct callout		sendordered_c;
378 	uint64_t wwpn;
379 	uint8_t	 unmap_buf[UNMAP_BUF_SIZE];
380 	struct scsi_read_capacity_data_long rcaplong;
381 	struct callout		mediapoll_c;
382 	int			ref_flags[DA_REF_MAX];
383 #ifdef CAM_IO_STATS
384 	struct sysctl_ctx_list	sysctl_stats_ctx;
385 	struct sysctl_oid	*sysctl_stats_tree;
386 	u_int	errors;
387 	u_int	timeouts;
388 	u_int	invalidations;
389 #endif
390 #define DA_ANNOUNCETMP_SZ 160
391 	char			announce_temp[DA_ANNOUNCETMP_SZ];
392 #define DA_ANNOUNCE_SZ 400
393 	char			announcebuf[DA_ANNOUNCE_SZ];
394 };
395 
396 #define dadeleteflag(softc, delete_method, enable)			\
397 	if (enable) {							\
398 		softc->delete_available |= (1 << delete_method);	\
399 	} else {							\
400 		softc->delete_available &= ~(1 << delete_method);	\
401 	}
402 
403 static uma_zone_t da_ccb_zone;
404 
405 struct da_quirk_entry {
406 	struct scsi_inquiry_pattern inq_pat;
407 	da_quirks quirks;
408 };
409 
410 static const char quantum[] = "QUANTUM";
411 static const char microp[] = "MICROP";
412 
413 static struct da_quirk_entry da_quirk_table[] =
414 {
415 	/* SPI, FC devices */
416 	{
417 		/*
418 		 * Fujitsu M2513A MO drives.
419 		 * Tested devices: M2513A2 firmware versions 1200 & 1300.
420 		 * (dip switch selects whether T_DIRECT or T_OPTICAL device)
421 		 * Reported by: W.Scholten <whs@xs4all.nl>
422 		 */
423 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
424 		/*quirks*/ DA_Q_NO_SYNC_CACHE
425 	},
426 	{
427 		/* See above. */
428 		{T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
429 		/*quirks*/ DA_Q_NO_SYNC_CACHE
430 	},
431 	{
432 		/*
433 		 * This particular Fujitsu drive doesn't like the
434 		 * synchronize cache command.
435 		 * Reported by: Tom Jackson <toj@gorilla.net>
436 		 */
437 		{T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
438 		/*quirks*/ DA_Q_NO_SYNC_CACHE
439 	},
440 	{
441 		/*
442 		 * This drive doesn't like the synchronize cache command
443 		 * either.  Reported by: Matthew Jacob <mjacob@feral.com>
444 		 * in NetBSD PR kern/6027, August 24, 1998.
445 		 */
446 		{T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
447 		/*quirks*/ DA_Q_NO_SYNC_CACHE
448 	},
449 	{
450 		/*
451 		 * This drive doesn't like the synchronize cache command
452 		 * either.  Reported by: Hellmuth Michaelis (hm@kts.org)
453 		 * (PR 8882).
454 		 */
455 		{T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
456 		/*quirks*/ DA_Q_NO_SYNC_CACHE
457 	},
458 	{
459 		/*
460 		 * Doesn't like the synchronize cache command.
461 		 * Reported by: Blaz Zupan <blaz@gold.amis.net>
462 		 */
463 		{T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
464 		/*quirks*/ DA_Q_NO_SYNC_CACHE
465 	},
466 	{
467 		/*
468 		 * Doesn't like the synchronize cache command.
469 		 * Reported by: Blaz Zupan <blaz@gold.amis.net>
470 		 */
471 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
472 		/*quirks*/ DA_Q_NO_SYNC_CACHE
473 	},
474 	{
475 		/*
476 		 * Doesn't like the synchronize cache command.
477 		 */
478 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
479 		/*quirks*/ DA_Q_NO_SYNC_CACHE
480 	},
481 	{
482 		/*
483 		 * Doesn't like the synchronize cache command.
484 		 * Reported by: walter@pelissero.de
485 		 */
486 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"},
487 		/*quirks*/ DA_Q_NO_SYNC_CACHE
488 	},
489 	{
490 		/*
491 		 * Doesn't work correctly with 6 byte reads/writes.
492 		 * Returns illegal request, and points to byte 9 of the
493 		 * 6-byte CDB.
494 		 * Reported by:  Adam McDougall <bsdx@spawnet.com>
495 		 */
496 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
497 		/*quirks*/ DA_Q_NO_6_BYTE
498 	},
499 	{
500 		/* See above. */
501 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
502 		/*quirks*/ DA_Q_NO_6_BYTE
503 	},
504 	{
505 		/*
506 		 * Doesn't like the synchronize cache command.
507 		 * Reported by: walter@pelissero.de
508 		 */
509 		{T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"},
510 		/*quirks*/ DA_Q_NO_SYNC_CACHE
511 	},
512 	{
513 		/*
514 		 * The CISS RAID controllers do not support SYNC_CACHE
515 		 */
516 		{T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
517 		/*quirks*/ DA_Q_NO_SYNC_CACHE
518 	},
519 	{
520 		/*
521 		 * The STEC SSDs sometimes hang on UNMAP.
522 		 */
523 		{T_DIRECT, SIP_MEDIA_FIXED, "STEC", "*", "*"},
524 		/*quirks*/ DA_Q_NO_UNMAP
525 	},
526 	{
527 		/*
528 		 * VMware returns BUSY status when storage has transient
529 		 * connectivity problems, so better wait.
530 		 * Also VMware returns odd errors on misaligned UNMAPs.
531 		 */
532 		{T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*"},
533 		/*quirks*/ DA_Q_RETRY_BUSY | DA_Q_STRICT_UNMAP
534 	},
535 	/* USB mass storage devices supported by umass(4) */
536 	{
537 		/*
538 		 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
539 		 * PR: kern/51675
540 		 */
541 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
542 		/*quirks*/ DA_Q_NO_SYNC_CACHE
543 	},
544 	{
545 		/*
546 		 * Power Quotient Int. (PQI) USB flash key
547 		 * PR: kern/53067
548 		 */
549 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*",
550 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
551 	},
552 	{
553 		/*
554 		 * Creative Nomad MUVO mp3 player (USB)
555 		 * PR: kern/53094
556 		 */
557 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
558 		/*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
559 	},
560 	{
561 		/*
562 		 * Jungsoft NEXDISK USB flash key
563 		 * PR: kern/54737
564 		 */
565 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
566 		/*quirks*/ DA_Q_NO_SYNC_CACHE
567 	},
568 	{
569 		/*
570 		 * FreeDik USB Mini Data Drive
571 		 * PR: kern/54786
572 		 */
573 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive",
574 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
575 	},
576 	{
577 		/*
578 		 * Sigmatel USB Flash MP3 Player
579 		 * PR: kern/57046
580 		 */
581 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"},
582 		/*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
583 	},
584 	{
585 		/*
586 		 * Neuros USB Digital Audio Computer
587 		 * PR: kern/63645
588 		 */
589 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.",
590 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
591 	},
592 	{
593 		/*
594 		 * SEAGRAND NP-900 MP3 Player
595 		 * PR: kern/64563
596 		 */
597 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"},
598 		/*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
599 	},
600 	{
601 		/*
602 		 * iRiver iFP MP3 player (with UMS Firmware)
603 		 * PR: kern/54881, i386/63941, kern/66124
604 		 */
605 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
606 		/*quirks*/ DA_Q_NO_SYNC_CACHE
607 	},
608 	{
609 		/*
610 		 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
611 		 * PR: kern/70158
612 		 */
613 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"},
614 		/*quirks*/ DA_Q_NO_SYNC_CACHE
615 	},
616 	{
617 		/*
618 		 * ZICPlay USB MP3 Player with FM
619 		 * PR: kern/75057
620 		 */
621 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"},
622 		/*quirks*/ DA_Q_NO_SYNC_CACHE
623 	},
624 	{
625 		/*
626 		 * TEAC USB floppy mechanisms
627 		 */
628 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"},
629 		/*quirks*/ DA_Q_NO_SYNC_CACHE
630 	},
631 	{
632 		/*
633 		 * Kingston DataTraveler II+ USB Pen-Drive.
634 		 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org>
635 		 */
636 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+",
637 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
638 	},
639 	{
640 		/*
641 		 * USB DISK Pro PMAP
642 		 * Reported by: jhs
643 		 * PR: usb/96381
644 		 */
645 		{T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"},
646 		/*quirks*/ DA_Q_NO_SYNC_CACHE
647 	},
648 	{
649 		/*
650 		 * Motorola E398 Mobile Phone (TransFlash memory card).
651 		 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl>
652 		 * PR: usb/89889
653 		 */
654 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone",
655 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
656 	},
657 	{
658 		/*
659 		 * Qware BeatZkey! Pro
660 		 * PR: usb/79164
661 		 */
662 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE",
663 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
664 	},
665 	{
666 		/*
667 		 * Time DPA20B 1GB MP3 Player
668 		 * PR: usb/81846
669 		 */
670 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*",
671 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
672 	},
673 	{
674 		/*
675 		 * Samsung USB key 128Mb
676 		 * PR: usb/90081
677 		 */
678 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb",
679 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
680 	},
681 	{
682 		/*
683 		 * Kingston DataTraveler 2.0 USB Flash memory.
684 		 * PR: usb/89196
685 		 */
686 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0",
687 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
688 	},
689 	{
690 		/*
691 		 * Creative MUVO Slim mp3 player (USB)
692 		 * PR: usb/86131
693 		 */
694 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim",
695 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
696 		},
697 	{
698 		/*
699 		 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3)
700 		 * PR: usb/80487
701 		 */
702 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK",
703 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
704 	},
705 	{
706 		/*
707 		 * SanDisk Micro Cruzer 128MB
708 		 * PR: usb/75970
709 		 */
710 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer",
711 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
712 	},
713 	{
714 		/*
715 		 * TOSHIBA TransMemory USB sticks
716 		 * PR: kern/94660
717 		 */
718 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory",
719 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
720 	},
721 	{
722 		/*
723 		 * PNY USB 3.0 Flash Drives
724 		*/
725 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "PNY", "USB 3.0 FD*",
726 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_RC16
727 	},
728 	{
729 		/*
730 		 * PNY USB Flash keys
731 		 * PR: usb/75578, usb/72344, usb/65436
732 		 */
733 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*",
734 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
735 	},
736 	{
737 		/*
738 		 * Genesys GL3224
739 		 */
740 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
741 		"120?"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_4K | DA_Q_NO_RC16
742 	},
743 	{
744 		/*
745 		 * Genesys 6-in-1 Card Reader
746 		 * PR: usb/94647
747 		 */
748 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
749 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
750 	},
751 	{
752 		/*
753 		 * Rekam Digital CAMERA
754 		 * PR: usb/98713
755 		 */
756 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*",
757 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
758 	},
759 	{
760 		/*
761 		 * iRiver H10 MP3 player
762 		 * PR: usb/102547
763 		 */
764 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*",
765 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
766 	},
767 	{
768 		/*
769 		 * iRiver U10 MP3 player
770 		 * PR: usb/92306
771 		 */
772 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*",
773 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
774 	},
775 	{
776 		/*
777 		 * X-Micro Flash Disk
778 		 * PR: usb/96901
779 		 */
780 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk",
781 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
782 	},
783 	{
784 		/*
785 		 * EasyMP3 EM732X USB 2.0 Flash MP3 Player
786 		 * PR: usb/96546
787 		 */
788 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*",
789 		"1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
790 	},
791 	{
792 		/*
793 		 * Denver MP3 player
794 		 * PR: usb/107101
795 		 */
796 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER",
797 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
798 	},
799 	{
800 		/*
801 		 * Philips USB Key Audio KEY013
802 		 * PR: usb/68412
803 		 */
804 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"},
805 		/*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
806 	},
807 	{
808 		/*
809 		 * JNC MP3 Player
810 		 * PR: usb/94439
811 		 */
812 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*",
813 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
814 	},
815 	{
816 		/*
817 		 * SAMSUNG MP0402H
818 		 * PR: usb/108427
819 		 */
820 		{T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"},
821 		/*quirks*/ DA_Q_NO_SYNC_CACHE
822 	},
823 	{
824 		/*
825 		 * I/O Magic USB flash - Giga Bank
826 		 * PR: usb/108810
827 		 */
828 		{T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"},
829 		/*quirks*/ DA_Q_NO_SYNC_CACHE
830 	},
831 	{
832 		/*
833 		 * JoyFly 128mb USB Flash Drive
834 		 * PR: 96133
835 		 */
836 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*",
837 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
838 	},
839 	{
840 		/*
841 		 * ChipsBnk usb stick
842 		 * PR: 103702
843 		 */
844 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*",
845 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
846 	},
847 	{
848 		/*
849 		 * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A
850 		 * PR: 129858
851 		 */
852 		{T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*",
853 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
854 	},
855 	{
856 		/*
857 		 * Samsung YP-U3 mp3-player
858 		 * PR: 125398
859 		 */
860 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3",
861 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
862 	},
863 	{
864 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*",
865 		 "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
866 	},
867 	{
868 		/*
869 		 * Sony Cyber-Shot DSC cameras
870 		 * PR: usb/137035
871 		 */
872 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
873 		/*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
874 	},
875 	{
876 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3",
877 		 "1.00"}, /*quirks*/ DA_Q_NO_PREVENT
878 	},
879 	{
880 		/* At least several Transcent USB sticks lie on RC16. */
881 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "JetFlash", "Transcend*",
882 		 "*"}, /*quirks*/ DA_Q_NO_RC16
883 	},
884 	{
885 		/*
886 		 * I-O Data USB Flash Disk
887 		 * PR: usb/211716
888 		 */
889 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "I-O DATA", "USB Flash Disk*",
890 		 "*"}, /*quirks*/ DA_Q_NO_RC16
891 	},
892 	{
893 		/*
894 		 * SLC CHIPFANCIER USB drives
895 		 * PR: usb/234503 (RC10 right, RC16 wrong)
896 		 * 16GB, 32GB and 128GB confirmed to have same issue
897 		 */
898 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "*SLC", "CHIPFANCIER",
899 		 "*"}, /*quirks*/ DA_Q_NO_RC16
900        },
901 	/* ATA/SATA devices over SAS/USB/... */
902 	{
903 		/* Sandisk X400 */
904 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SanDisk SD8SB8U1*", "*" },
905 		/*quirks*/DA_Q_128KB
906 	},
907 	{
908 		/* Hitachi Advanced Format (4k) drives */
909 		{ T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" },
910 		/*quirks*/DA_Q_4K
911 	},
912 	{
913 		/* Micron Advanced Format (4k) drives */
914 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Micron 5100 MTFDDAK*", "*" },
915 		/*quirks*/DA_Q_4K
916 	},
917 	{
918 		/* Samsung Advanced Format (4k) drives */
919 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" },
920 		/*quirks*/DA_Q_4K
921 	},
922 	{
923 		/* Samsung Advanced Format (4k) drives */
924 		{ T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" },
925 		/*quirks*/DA_Q_4K
926 	},
927 	{
928 		/* Samsung Advanced Format (4k) drives */
929 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" },
930 		/*quirks*/DA_Q_4K
931 	},
932 	{
933 		/* Samsung Advanced Format (4k) drives */
934 		{ T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" },
935 		/*quirks*/DA_Q_4K
936 	},
937 	{
938 		/* Seagate Barracuda Green Advanced Format (4k) drives */
939 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" },
940 		/*quirks*/DA_Q_4K
941 	},
942 	{
943 		/* Seagate Barracuda Green Advanced Format (4k) drives */
944 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" },
945 		/*quirks*/DA_Q_4K
946 	},
947 	{
948 		/* Seagate Barracuda Green Advanced Format (4k) drives */
949 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" },
950 		/*quirks*/DA_Q_4K
951 	},
952 	{
953 		/* Seagate Barracuda Green Advanced Format (4k) drives */
954 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" },
955 		/*quirks*/DA_Q_4K
956 	},
957 	{
958 		/* Seagate Barracuda Green Advanced Format (4k) drives */
959 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" },
960 		/*quirks*/DA_Q_4K
961 	},
962 	{
963 		/* Seagate Barracuda Green Advanced Format (4k) drives */
964 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" },
965 		/*quirks*/DA_Q_4K
966 	},
967 	{
968 		/* Seagate Momentus Advanced Format (4k) drives */
969 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" },
970 		/*quirks*/DA_Q_4K
971 	},
972 	{
973 		/* Seagate Momentus Advanced Format (4k) drives */
974 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" },
975 		/*quirks*/DA_Q_4K
976 	},
977 	{
978 		/* Seagate Momentus Advanced Format (4k) drives */
979 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" },
980 		/*quirks*/DA_Q_4K
981 	},
982 	{
983 		/* Seagate Momentus Advanced Format (4k) drives */
984 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" },
985 		/*quirks*/DA_Q_4K
986 	},
987 	{
988 		/* Seagate Momentus Advanced Format (4k) drives */
989 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" },
990 		/*quirks*/DA_Q_4K
991 	},
992 	{
993 		/* Seagate Momentus Advanced Format (4k) drives */
994 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" },
995 		/*quirks*/DA_Q_4K
996 	},
997 	{
998 		/* Seagate Momentus Advanced Format (4k) drives */
999 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" },
1000 		/*quirks*/DA_Q_4K
1001 	},
1002 	{
1003 		/* Seagate Momentus Advanced Format (4k) drives */
1004 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" },
1005 		/*quirks*/DA_Q_4K
1006 	},
1007 	{
1008 		/* Seagate Momentus Advanced Format (4k) drives */
1009 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" },
1010 		/*quirks*/DA_Q_4K
1011 	},
1012 	{
1013 		/* Seagate Momentus Advanced Format (4k) drives */
1014 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" },
1015 		/*quirks*/DA_Q_4K
1016 	},
1017 	{
1018 		/* Seagate Momentus Advanced Format (4k) drives */
1019 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" },
1020 		/*quirks*/DA_Q_4K
1021 	},
1022 	{
1023 		/* Seagate Momentus Advanced Format (4k) drives */
1024 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" },
1025 		/*quirks*/DA_Q_4K
1026 	},
1027 	{
1028 		/* Seagate Momentus Advanced Format (4k) drives */
1029 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" },
1030 		/*quirks*/DA_Q_4K
1031 	},
1032 	{
1033 		/* Seagate Momentus Advanced Format (4k) drives */
1034 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" },
1035 		/*quirks*/DA_Q_4K
1036 	},
1037 	{
1038 		/* Seagate Momentus Thin Advanced Format (4k) drives */
1039 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" },
1040 		/*quirks*/DA_Q_4K
1041 	},
1042 	{
1043 		/* Seagate Momentus Thin Advanced Format (4k) drives */
1044 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" },
1045 		/*quirks*/DA_Q_4K
1046 	},
1047 	{
1048 		/* WDC Caviar Green Advanced Format (4k) drives */
1049 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" },
1050 		/*quirks*/DA_Q_4K
1051 	},
1052 	{
1053 		/* WDC Caviar Green Advanced Format (4k) drives */
1054 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" },
1055 		/*quirks*/DA_Q_4K
1056 	},
1057 	{
1058 		/* WDC Caviar Green Advanced Format (4k) drives */
1059 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" },
1060 		/*quirks*/DA_Q_4K
1061 	},
1062 	{
1063 		/* WDC Caviar Green Advanced Format (4k) drives */
1064 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" },
1065 		/*quirks*/DA_Q_4K
1066 	},
1067 	{
1068 		/* WDC Caviar Green Advanced Format (4k) drives */
1069 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" },
1070 		/*quirks*/DA_Q_4K
1071 	},
1072 	{
1073 		/* WDC Caviar Green Advanced Format (4k) drives */
1074 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" },
1075 		/*quirks*/DA_Q_4K
1076 	},
1077 	{
1078 		/* WDC Caviar Green Advanced Format (4k) drives */
1079 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" },
1080 		/*quirks*/DA_Q_4K
1081 	},
1082 	{
1083 		/* WDC Caviar Green Advanced Format (4k) drives */
1084 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" },
1085 		/*quirks*/DA_Q_4K
1086 	},
1087 	{
1088 		/* WDC Scorpio Black Advanced Format (4k) drives */
1089 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" },
1090 		/*quirks*/DA_Q_4K
1091 	},
1092 	{
1093 		/* WDC Scorpio Black Advanced Format (4k) drives */
1094 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" },
1095 		/*quirks*/DA_Q_4K
1096 	},
1097 	{
1098 		/* WDC Scorpio Black Advanced Format (4k) drives */
1099 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" },
1100 		/*quirks*/DA_Q_4K
1101 	},
1102 	{
1103 		/* WDC Scorpio Black Advanced Format (4k) drives */
1104 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" },
1105 		/*quirks*/DA_Q_4K
1106 	},
1107 	{
1108 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1109 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" },
1110 		/*quirks*/DA_Q_4K
1111 	},
1112 	{
1113 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1114 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" },
1115 		/*quirks*/DA_Q_4K
1116 	},
1117 	{
1118 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1119 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" },
1120 		/*quirks*/DA_Q_4K
1121 	},
1122 	{
1123 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1124 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" },
1125 		/*quirks*/DA_Q_4K
1126 	},
1127 	{
1128 		/*
1129 		 * Olympus digital cameras (C-3040ZOOM, C-2040ZOOM, C-1)
1130 		 * PR: usb/97472
1131 		 */
1132 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "C*", "*"},
1133 		/*quirks*/ DA_Q_NO_6_BYTE | DA_Q_NO_SYNC_CACHE
1134 	},
1135 	{
1136 		/*
1137 		 * Olympus digital cameras (D-370)
1138 		 * PR: usb/97472
1139 		 */
1140 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "D*", "*"},
1141 		/*quirks*/ DA_Q_NO_6_BYTE
1142 	},
1143 	{
1144 		/*
1145 		 * Olympus digital cameras (E-100RS, E-10).
1146 		 * PR: usb/97472
1147 		 */
1148 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "E*", "*"},
1149 		/*quirks*/ DA_Q_NO_6_BYTE | DA_Q_NO_SYNC_CACHE
1150 	},
1151 	{
1152 		/*
1153 		 * Olympus FE-210 camera
1154 		 */
1155 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*",
1156 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1157 	},
1158 	{
1159 		/*
1160 		* Pentax Digital Camera
1161 		* PR: usb/93389
1162 		*/
1163 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "PENTAX", "DIGITAL CAMERA",
1164 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1165 	},
1166 	{
1167 		/*
1168 		 * LG UP3S MP3 player
1169 		 */
1170 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S",
1171 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1172 	},
1173 	{
1174 		/*
1175 		 * Laser MP3-2GA13 MP3 player
1176 		 */
1177 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk",
1178 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1179 	},
1180 	{
1181 		/*
1182 		 * LaCie external 250GB Hard drive des by Porsche
1183 		 * Submitted by: Ben Stuyts <ben@altesco.nl>
1184 		 * PR: 121474
1185 		 */
1186 		{T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"},
1187 		/*quirks*/ DA_Q_NO_SYNC_CACHE
1188 	},
1189 	/* SATA SSDs */
1190 	{
1191 		/*
1192 		 * Corsair Force 2 SSDs
1193 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1194 		 */
1195 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair CSSD-F*", "*" },
1196 		/*quirks*/DA_Q_4K
1197 	},
1198 	{
1199 		/*
1200 		 * Corsair Force 3 SSDs
1201 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1202 		 */
1203 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force 3*", "*" },
1204 		/*quirks*/DA_Q_4K
1205 	},
1206         {
1207 		/*
1208 		 * Corsair Neutron GTX SSDs
1209 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1210 		 */
1211 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" },
1212 		/*quirks*/DA_Q_4K
1213 	},
1214 	{
1215 		/*
1216 		 * Corsair Force GT & GS SSDs
1217 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1218 		 */
1219 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force G*", "*" },
1220 		/*quirks*/DA_Q_4K
1221 	},
1222 	{
1223 		/*
1224 		 * Crucial M4 SSDs
1225 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1226 		 */
1227 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "M4-CT???M4SSD2*", "*" },
1228 		/*quirks*/DA_Q_4K
1229 	},
1230 	{
1231 		/*
1232 		 * Crucial RealSSD C300 SSDs
1233 		 * 4k optimised
1234 		 */
1235 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "C300-CTFDDAC???MAG*",
1236 		"*" }, /*quirks*/DA_Q_4K
1237 	},
1238 	{
1239 		/*
1240 		 * Intel 320 Series SSDs
1241 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1242 		 */
1243 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2CW*", "*" },
1244 		/*quirks*/DA_Q_4K
1245 	},
1246 	{
1247 		/*
1248 		 * Intel 330 Series SSDs
1249 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1250 		 */
1251 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2CT*", "*" },
1252 		/*quirks*/DA_Q_4K
1253 	},
1254 	{
1255 		/*
1256 		 * Intel 510 Series SSDs
1257 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1258 		 */
1259 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2MH*", "*" },
1260 		/*quirks*/DA_Q_4K
1261 	},
1262 	{
1263 		/*
1264 		 * Intel 520 Series SSDs
1265 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1266 		 */
1267 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BW*", "*" },
1268 		/*quirks*/DA_Q_4K
1269 	},
1270 	{
1271 		/*
1272 		 * Intel S3610 Series SSDs
1273 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1274 		 */
1275 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BX*", "*" },
1276 		/*quirks*/DA_Q_4K
1277 	},
1278 	{
1279 		/*
1280 		 * Intel X25-M Series SSDs
1281 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1282 		 */
1283 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2M*", "*" },
1284 		/*quirks*/DA_Q_4K
1285 	},
1286 	{
1287 		/*
1288 		 * Kingston E100 Series SSDs
1289 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1290 		 */
1291 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SE100S3*", "*" },
1292 		/*quirks*/DA_Q_4K
1293 	},
1294 	{
1295 		/*
1296 		 * Kingston HyperX 3k SSDs
1297 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1298 		 */
1299 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SH103S3*", "*" },
1300 		/*quirks*/DA_Q_4K
1301 	},
1302 	{
1303 		/*
1304 		 * Marvell SSDs (entry taken from OpenSolaris)
1305 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1306 		 */
1307 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MARVELL SD88SA02*", "*" },
1308 		/*quirks*/DA_Q_4K
1309 	},
1310 	{
1311 		/*
1312 		 * OCZ Agility 2 SSDs
1313 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1314 		 */
1315 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" },
1316 		/*quirks*/DA_Q_4K
1317 	},
1318 	{
1319 		/*
1320 		 * OCZ Agility 3 SSDs
1321 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1322 		 */
1323 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-AGILITY3*", "*" },
1324 		/*quirks*/DA_Q_4K
1325 	},
1326 	{
1327 		/*
1328 		 * OCZ Deneva R Series SSDs
1329 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1330 		 */
1331 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "DENRSTE251M45*", "*" },
1332 		/*quirks*/DA_Q_4K
1333 	},
1334 	{
1335 		/*
1336 		 * OCZ Vertex 2 SSDs (inc pro series)
1337 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1338 		 */
1339 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ?VERTEX2*", "*" },
1340 		/*quirks*/DA_Q_4K
1341 	},
1342 	{
1343 		/*
1344 		 * OCZ Vertex 3 SSDs
1345 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1346 		 */
1347 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX3*", "*" },
1348 		/*quirks*/DA_Q_4K
1349 	},
1350 	{
1351 		/*
1352 		 * OCZ Vertex 4 SSDs
1353 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1354 		 */
1355 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX4*", "*" },
1356 		/*quirks*/DA_Q_4K
1357 	},
1358 	{
1359 		/*
1360 		 * Samsung 750 Series SSDs
1361 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1362 		 */
1363 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 750*", "*" },
1364 		/*quirks*/DA_Q_4K
1365 	},
1366 	{
1367 		/*
1368 		 * Samsung 830 Series SSDs
1369 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1370 		 */
1371 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG SSD 830 Series*", "*" },
1372 		/*quirks*/DA_Q_4K
1373 	},
1374 	{
1375 		/*
1376 		 * Samsung 840 SSDs
1377 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1378 		 */
1379 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 840*", "*" },
1380 		/*quirks*/DA_Q_4K
1381 	},
1382 	{
1383 		/*
1384 		 * Samsung 845 SSDs
1385 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1386 		 */
1387 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 845*", "*" },
1388 		/*quirks*/DA_Q_4K
1389 	},
1390 	{
1391 		/*
1392 		 * Samsung 850 SSDs
1393 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1394 		 */
1395 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 850*", "*" },
1396 		/*quirks*/DA_Q_4K
1397 	},
1398 	{
1399 		/*
1400 		 * Samsung 843T Series SSDs (MZ7WD*)
1401 		 * Samsung PM851 Series SSDs (MZ7TE*)
1402 		 * Samsung PM853T Series SSDs (MZ7GE*)
1403 		 * Samsung SM863 Series SSDs (MZ7KM*)
1404 		 * 4k optimised
1405 		 */
1406 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG MZ7*", "*" },
1407 		/*quirks*/DA_Q_4K
1408 	},
1409 	{
1410 		/*
1411 		 * Same as for SAMSUNG MZ7* but enable the quirks for SSD
1412 		 * starting with MZ7* too
1413 		 */
1414 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MZ7*", "*" },
1415 		/*quirks*/DA_Q_4K
1416 	},
1417 	{
1418 		/*
1419                  * Same as above but enable the quirks for SSD SAMSUNG MZ7*
1420                  * connected via SATA-to-SAS interposer and because of this
1421                  * starting without "ATA"
1422 		 */
1423 		{ T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MZ7*", "*" },
1424 		/*quirks*/DA_Q_4K
1425 	},
1426 	{
1427 		/*
1428 		 * SuperTalent TeraDrive CT SSDs
1429 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1430 		 */
1431 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" },
1432 		/*quirks*/DA_Q_4K
1433 	},
1434 	{
1435 		/*
1436 		 * XceedIOPS SATA SSDs
1437 		 * 4k optimised
1438 		 */
1439 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" },
1440 		/*quirks*/DA_Q_4K
1441 	},
1442 	{
1443 		/*
1444 		 * Hama Innostor USB-Stick
1445 		 */
1446 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "Innostor", "Innostor*", "*" },
1447 		/*quirks*/DA_Q_NO_RC16
1448 	},
1449 	{
1450 		/*
1451 		 * Seagate Lamarr 8TB Shingled Magnetic Recording (SMR)
1452 		 * Drive Managed SATA hard drive.  This drive doesn't report
1453 		 * in firmware that it is a drive managed SMR drive.
1454 		 */
1455 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST8000AS000[23]*", "*" },
1456 		/*quirks*/DA_Q_SMR_DM
1457 	},
1458 	{
1459 		/*
1460 		 * MX-ES USB Drive by Mach Xtreme
1461 		 */
1462 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "MX", "MXUB3*", "*"},
1463 		/*quirks*/DA_Q_NO_RC16
1464 	},
1465 };
1466 
1467 static	disk_strategy_t	dastrategy;
1468 static	dumper_t	dadump;
1469 static	periph_init_t	dainit;
1470 static	void		daasync(void *callback_arg, uint32_t code,
1471 				struct cam_path *path, void *arg);
1472 static	void		dasysctlinit(void *context, int pending);
1473 static	int		dasysctlsofttimeout(SYSCTL_HANDLER_ARGS);
1474 static	int		dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
1475 static	int		dadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
1476 static	int		dabitsysctl(SYSCTL_HANDLER_ARGS);
1477 static	int		daflagssysctl(SYSCTL_HANDLER_ARGS);
1478 static	int		dazonemodesysctl(SYSCTL_HANDLER_ARGS);
1479 static	int		dazonesupsysctl(SYSCTL_HANDLER_ARGS);
1480 static	int		dadeletemaxsysctl(SYSCTL_HANDLER_ARGS);
1481 static	void		dadeletemethodset(struct da_softc *softc,
1482 					  da_delete_methods delete_method);
1483 static	off_t		dadeletemaxsize(struct da_softc *softc,
1484 					da_delete_methods delete_method);
1485 static	void		dadeletemethodchoose(struct da_softc *softc,
1486 					     da_delete_methods default_method);
1487 static	void		daprobedone(struct cam_periph *periph, union ccb *ccb);
1488 
1489 static	periph_ctor_t	daregister;
1490 static	periph_dtor_t	dacleanup;
1491 static	periph_start_t	dastart;
1492 static	periph_oninv_t	daoninvalidate;
1493 static	void		dazonedone(struct cam_periph *periph, union ccb *ccb);
1494 static	void		dadone(struct cam_periph *periph,
1495 			       union ccb *done_ccb);
1496 static void		dadone_probewp(struct cam_periph *periph,
1497 				       union ccb *done_ccb);
1498 static void		dadone_proberc(struct cam_periph *periph,
1499 				       union ccb *done_ccb);
1500 static void		dadone_probelbp(struct cam_periph *periph,
1501 					union ccb *done_ccb);
1502 static void		dadone_probeblklimits(struct cam_periph *periph,
1503 					      union ccb *done_ccb);
1504 static void		dadone_probebdc(struct cam_periph *periph,
1505 					union ccb *done_ccb);
1506 static void		dadone_probeata(struct cam_periph *periph,
1507 					union ccb *done_ccb);
1508 static void		dadone_probeatalogdir(struct cam_periph *periph,
1509 					      union ccb *done_ccb);
1510 static void		dadone_probeataiddir(struct cam_periph *periph,
1511 					     union ccb *done_ccb);
1512 static void		dadone_probeatasup(struct cam_periph *periph,
1513 					   union ccb *done_ccb);
1514 static void		dadone_probeatazone(struct cam_periph *periph,
1515 					    union ccb *done_ccb);
1516 static void		dadone_probezone(struct cam_periph *periph,
1517 					 union ccb *done_ccb);
1518 static void		dadone_tur(struct cam_periph *periph,
1519 				   union ccb *done_ccb);
1520 static  int		daerror(union ccb *ccb, uint32_t cam_flags,
1521 				uint32_t sense_flags);
1522 static void		daprevent(struct cam_periph *periph, int action);
1523 static void		dareprobe(struct cam_periph *periph);
1524 static void		dasetgeom(struct cam_periph *periph, uint32_t block_len,
1525 				  uint64_t maxsector,
1526 				  struct scsi_read_capacity_data_long *rcaplong,
1527 				  size_t rcap_size);
1528 static callout_func_t	dasendorderedtag;
1529 static void		dashutdown(void *arg, int howto);
1530 static callout_func_t	damediapoll;
1531 
1532 #ifndef	DA_DEFAULT_POLL_PERIOD
1533 #define	DA_DEFAULT_POLL_PERIOD	3
1534 #endif
1535 
1536 #ifndef DA_DEFAULT_TIMEOUT
1537 #define DA_DEFAULT_TIMEOUT 60	/* Timeout in seconds */
1538 #endif
1539 
1540 #ifndef DA_DEFAULT_SOFTTIMEOUT
1541 #define DA_DEFAULT_SOFTTIMEOUT	0
1542 #endif
1543 
1544 #ifndef	DA_DEFAULT_RETRY
1545 #define	DA_DEFAULT_RETRY	4
1546 #endif
1547 
1548 #ifndef	DA_DEFAULT_SEND_ORDERED
1549 #define	DA_DEFAULT_SEND_ORDERED	1
1550 #endif
1551 
1552 static int da_poll_period = DA_DEFAULT_POLL_PERIOD;
1553 static int da_retry_count = DA_DEFAULT_RETRY;
1554 static int da_default_timeout = DA_DEFAULT_TIMEOUT;
1555 static sbintime_t da_default_softtimeout = DA_DEFAULT_SOFTTIMEOUT;
1556 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED;
1557 static int da_disable_wp_detection = 0;
1558 static int da_enable_biospeedup = 1;
1559 static int da_enable_uma_ccbs = 1;
1560 
1561 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
1562     "CAM Direct Access Disk driver");
1563 SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RWTUN,
1564            &da_poll_period, 0, "Media polling period in seconds");
1565 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RWTUN,
1566            &da_retry_count, 0, "Normal I/O retry count");
1567 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RWTUN,
1568            &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
1569 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RWTUN,
1570            &da_send_ordered, 0, "Send Ordered Tags");
1571 SYSCTL_INT(_kern_cam_da, OID_AUTO, disable_wp_detection, CTLFLAG_RWTUN,
1572            &da_disable_wp_detection, 0,
1573 	   "Disable detection of write-protected disks");
1574 SYSCTL_INT(_kern_cam_da, OID_AUTO, enable_biospeedup, CTLFLAG_RDTUN,
1575 	    &da_enable_biospeedup, 0, "Enable BIO_SPEEDUP processing");
1576 SYSCTL_INT(_kern_cam_da, OID_AUTO, enable_uma_ccbs, CTLFLAG_RWTUN,
1577 	    &da_enable_uma_ccbs, 0, "Use UMA for CCBs");
1578 
1579 SYSCTL_PROC(_kern_cam_da, OID_AUTO, default_softtimeout,
1580     CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_MPSAFE, NULL, 0,
1581     dasysctlsofttimeout, "I",
1582     "Soft I/O timeout (ms)");
1583 TUNABLE_INT64("kern.cam.da.default_softtimeout", &da_default_softtimeout);
1584 
1585 /*
1586  * DA_ORDEREDTAG_INTERVAL determines how often, relative
1587  * to the default timeout, we check to see whether an ordered
1588  * tagged transaction is appropriate to prevent simple tag
1589  * starvation.  Since we'd like to ensure that there is at least
1590  * 1/2 of the timeout length left for a starved transaction to
1591  * complete after we've sent an ordered tag, we must poll at least
1592  * four times in every timeout period.  This takes care of the worst
1593  * case where a starved transaction starts during an interval that
1594  * meets the requirement "don't send an ordered tag" test so it takes
1595  * us two intervals to determine that a tag must be sent.
1596  */
1597 #ifndef DA_ORDEREDTAG_INTERVAL
1598 #define DA_ORDEREDTAG_INTERVAL 4
1599 #endif
1600 
1601 static struct periph_driver dadriver =
1602 {
1603 	dainit, "da",
1604 	TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
1605 };
1606 
1607 PERIPHDRIVER_DECLARE(da, dadriver);
1608 
1609 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
1610 
1611 /*
1612  * This driver takes out references / holds in well defined pairs, never
1613  * recursively. These macros / inline functions enforce those rules. They
1614  * are only enabled with DA_TRACK_REFS or INVARIANTS. If DA_TRACK_REFS is
1615  * defined to be 2 or larger, the tracking also includes debug printfs.
1616  */
1617 #if defined(DA_TRACK_REFS) || defined(INVARIANTS)
1618 
1619 #ifndef DA_TRACK_REFS
1620 #define DA_TRACK_REFS 1
1621 #endif
1622 
1623 #if DA_TRACK_REFS > 1
1624 static const char *da_ref_text[] = {
1625 	"bogus",
1626 	"open",
1627 	"open hold",
1628 	"close hold",
1629 	"reprobe hold",
1630 	"Test Unit Ready",
1631 	"Geom",
1632 	"sysctl",
1633 	"reprobe",
1634 	"max -- also bogus"
1635 };
1636 
1637 #define DA_PERIPH_PRINT(periph, msg, args...)		\
1638 	CAM_PERIPH_PRINT(periph, msg, ##args)
1639 #else
1640 #define DA_PERIPH_PRINT(periph, msg, args...)
1641 #endif
1642 
1643 static inline void
1644 token_sanity(da_ref_token token)
1645 {
1646 	if ((unsigned)token >= DA_REF_MAX)
1647 		panic("Bad token value passed in %d\n", token);
1648 }
1649 
1650 static inline int
1651 da_periph_hold(struct cam_periph *periph, int priority, da_ref_token token)
1652 {
1653 	int err = cam_periph_hold(periph, priority);
1654 
1655 	token_sanity(token);
1656 	DA_PERIPH_PRINT(periph, "Holding device %s (%d): %d\n",
1657 	    da_ref_text[token], token, err);
1658 	if (err == 0) {
1659 		int cnt;
1660 		struct da_softc *softc = periph->softc;
1661 
1662 		cnt = atomic_fetchadd_int(&softc->ref_flags[token], 1);
1663 		if (cnt != 0)
1664 			panic("Re-holding for reason %d, cnt = %d", token, cnt);
1665 	}
1666 	return (err);
1667 }
1668 
1669 static inline void
1670 da_periph_unhold(struct cam_periph *periph, da_ref_token token)
1671 {
1672 	int cnt;
1673 	struct da_softc *softc = periph->softc;
1674 
1675 	token_sanity(token);
1676 	DA_PERIPH_PRINT(periph, "Unholding device %s (%d)\n",
1677 	    da_ref_text[token], token);
1678 	cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1679 	if (cnt != 1)
1680 		panic("Unholding %d with cnt = %d", token, cnt);
1681 	cam_periph_unhold(periph);
1682 }
1683 
1684 static inline int
1685 da_periph_acquire(struct cam_periph *periph, da_ref_token token)
1686 {
1687 	int err = cam_periph_acquire(periph);
1688 
1689 	token_sanity(token);
1690 	DA_PERIPH_PRINT(periph, "acquiring device %s (%d): %d\n",
1691 	    da_ref_text[token], token, err);
1692 	if (err == 0) {
1693 		int cnt;
1694 		struct da_softc *softc = periph->softc;
1695 
1696 		cnt = atomic_fetchadd_int(&softc->ref_flags[token], 1);
1697 		if (cnt != 0)
1698 			panic("Re-refing for reason %d, cnt = %d", token, cnt);
1699 	}
1700 	return (err);
1701 }
1702 
1703 static inline void
1704 da_periph_release(struct cam_periph *periph, da_ref_token token)
1705 {
1706 	int cnt;
1707 	struct da_softc *softc = periph->softc;
1708 
1709 	token_sanity(token);
1710 	DA_PERIPH_PRINT(periph, "releasing device %s (%d)\n",
1711 	    da_ref_text[token], token);
1712 	cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1713 	if (cnt != 1)
1714 		panic("Releasing %d with cnt = %d", token, cnt);
1715 	cam_periph_release(periph);
1716 }
1717 
1718 static inline void
1719 da_periph_release_locked(struct cam_periph *periph, da_ref_token token)
1720 {
1721 	int cnt;
1722 	struct da_softc *softc = periph->softc;
1723 
1724 	token_sanity(token);
1725 	DA_PERIPH_PRINT(periph, "releasing device (locked) %s (%d)\n",
1726 	    da_ref_text[token], token);
1727 	cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1728 	if (cnt != 1)
1729 		panic("releasing (locked) %d with cnt = %d", token, cnt);
1730 	cam_periph_release_locked(periph);
1731 }
1732 
1733 #define cam_periph_hold POISON
1734 #define cam_periph_unhold POISON
1735 #define cam_periph_acquire POISON
1736 #define cam_periph_release POISON
1737 #define cam_periph_release_locked POISON
1738 
1739 #else
1740 #define	da_periph_hold(periph, prio, token)	cam_periph_hold((periph), (prio))
1741 #define da_periph_unhold(periph, token)		cam_periph_unhold((periph))
1742 #define da_periph_acquire(periph, token)	cam_periph_acquire((periph))
1743 #define da_periph_release(periph, token)	cam_periph_release((periph))
1744 #define da_periph_release_locked(periph, token)	cam_periph_release_locked((periph))
1745 #endif
1746 
1747 static int
1748 daopen(struct disk *dp)
1749 {
1750 	struct cam_periph *periph;
1751 	struct da_softc *softc;
1752 	int error;
1753 
1754 	periph = (struct cam_periph *)dp->d_drv1;
1755 	if (da_periph_acquire(periph, DA_REF_OPEN) != 0) {
1756 		return (ENXIO);
1757 	}
1758 
1759 	cam_periph_lock(periph);
1760 	if ((error = da_periph_hold(periph, PRIBIO|PCATCH, DA_REF_OPEN_HOLD)) != 0) {
1761 		cam_periph_unlock(periph);
1762 		da_periph_release(periph, DA_REF_OPEN);
1763 		return (error);
1764 	}
1765 
1766 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1767 	    ("daopen\n"));
1768 
1769 	softc = (struct da_softc *)periph->softc;
1770 	dareprobe(periph);
1771 
1772 	/* Wait for the disk size update.  */
1773 	error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO,
1774 	    "dareprobe", 0);
1775 	if (error != 0)
1776 		xpt_print(periph->path, "unable to retrieve capacity data\n");
1777 
1778 	if (periph->flags & CAM_PERIPH_INVALID)
1779 		error = ENXIO;
1780 
1781 	if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1782 	    (softc->quirks & DA_Q_NO_PREVENT) == 0)
1783 		daprevent(periph, PR_PREVENT);
1784 
1785 	if (error == 0) {
1786 		softc->flags &= ~DA_FLAG_PACK_INVALID;
1787 		softc->flags |= DA_FLAG_OPEN;
1788 	}
1789 
1790 	da_periph_unhold(periph, DA_REF_OPEN_HOLD);
1791 	cam_periph_unlock(periph);
1792 
1793 	if (error != 0)
1794 		da_periph_release(periph, DA_REF_OPEN);
1795 
1796 	return (error);
1797 }
1798 
1799 static int
1800 daclose(struct disk *dp)
1801 {
1802 	struct	cam_periph *periph;
1803 	struct	da_softc *softc;
1804 	union	ccb *ccb;
1805 
1806 	periph = (struct cam_periph *)dp->d_drv1;
1807 	softc = (struct da_softc *)periph->softc;
1808 	cam_periph_lock(periph);
1809 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1810 	    ("daclose\n"));
1811 
1812 	if (da_periph_hold(periph, PRIBIO, DA_REF_CLOSE_HOLD) == 0) {
1813 		/* Flush disk cache. */
1814 		if ((softc->flags & DA_FLAG_DIRTY) != 0 &&
1815 		    (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 &&
1816 		    (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
1817 			ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1818 			scsi_synchronize_cache(&ccb->csio, /*retries*/1,
1819 			    /*cbfcnp*/NULL, MSG_SIMPLE_Q_TAG,
1820 			    /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE,
1821 			    5 * 60 * 1000);
1822 			cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
1823 			    /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR,
1824 			    softc->disk->d_devstat);
1825 			softc->flags &= ~DA_FLAG_DIRTY;
1826 			xpt_release_ccb(ccb);
1827 		}
1828 
1829 		/* Allow medium removal. */
1830 		if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1831 		    (softc->quirks & DA_Q_NO_PREVENT) == 0)
1832 			daprevent(periph, PR_ALLOW);
1833 
1834 		da_periph_unhold(periph, DA_REF_CLOSE_HOLD);
1835 	}
1836 
1837 	/*
1838 	 * If we've got removable media, mark the blocksize as
1839 	 * unavailable, since it could change when new media is
1840 	 * inserted.
1841 	 */
1842 	if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)
1843 		softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1844 
1845 	softc->flags &= ~DA_FLAG_OPEN;
1846 	while (softc->refcount != 0)
1847 		cam_periph_sleep(periph, &softc->refcount, PRIBIO, "daclose", 1);
1848 	cam_periph_unlock(periph);
1849 	da_periph_release(periph, DA_REF_OPEN);
1850 	return (0);
1851 }
1852 
1853 static void
1854 daschedule(struct cam_periph *periph)
1855 {
1856 	struct da_softc *softc = (struct da_softc *)periph->softc;
1857 
1858 	if (softc->state != DA_STATE_NORMAL)
1859 		return;
1860 
1861 	cam_iosched_schedule(softc->cam_iosched, periph);
1862 }
1863 
1864 /*
1865  * Actually translate the requested transfer into one the physical driver
1866  * can understand.  The transfer is described by a buf and will include
1867  * only one physical transfer.
1868  */
1869 static void
1870 dastrategy(struct bio *bp)
1871 {
1872 	struct cam_periph *periph;
1873 	struct da_softc *softc;
1874 
1875 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1876 	softc = (struct da_softc *)periph->softc;
1877 
1878 	cam_periph_lock(periph);
1879 
1880 	/*
1881 	 * If the device has been made invalid, error out
1882 	 */
1883 	if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1884 		cam_periph_unlock(periph);
1885 		biofinish(bp, NULL, ENXIO);
1886 		return;
1887 	}
1888 
1889 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp));
1890 
1891 	/*
1892 	 * Zone commands must be ordered, because they can depend on the
1893 	 * effects of previously issued commands, and they may affect
1894 	 * commands after them.
1895 	 */
1896 	if (bp->bio_cmd == BIO_ZONE)
1897 		bp->bio_flags |= BIO_ORDERED;
1898 
1899 	/*
1900 	 * Place it in the queue of disk activities for this disk
1901 	 */
1902 	cam_iosched_queue_work(softc->cam_iosched, bp);
1903 
1904 	/*
1905 	 * Schedule ourselves for performing the work.
1906 	 */
1907 	daschedule(periph);
1908 	cam_periph_unlock(periph);
1909 
1910 	return;
1911 }
1912 
1913 static int
1914 dadump(void *arg, void *virtual, off_t offset, size_t length)
1915 {
1916 	struct	    cam_periph *periph;
1917 	struct	    da_softc *softc;
1918 	u_int	    secsize;
1919 	struct	    ccb_scsiio csio;
1920 	struct	    disk *dp;
1921 	int	    error = 0;
1922 
1923 	dp = arg;
1924 	periph = dp->d_drv1;
1925 	softc = (struct da_softc *)periph->softc;
1926 	secsize = softc->params.secsize;
1927 
1928 	if ((softc->flags & DA_FLAG_PACK_INVALID) != 0)
1929 		return (ENXIO);
1930 
1931 	memset(&csio, 0, sizeof(csio));
1932 	if (length > 0) {
1933 		xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1934 		csio.ccb_h.ccb_state = DA_CCB_DUMP;
1935 		scsi_read_write(&csio,
1936 				/*retries*/0,
1937 				/*cbfcnp*/NULL,
1938 				MSG_ORDERED_Q_TAG,
1939 				/*read*/SCSI_RW_WRITE,
1940 				/*byte2*/0,
1941 				/*minimum_cmd_size*/ softc->minimum_cmd_size,
1942 				offset / secsize,
1943 				length / secsize,
1944 				/*data_ptr*/(uint8_t *) virtual,
1945 				/*dxfer_len*/length,
1946 				/*sense_len*/SSD_FULL_SIZE,
1947 				da_default_timeout * 1000);
1948 		error = cam_periph_runccb((union ccb *)&csio, cam_periph_error,
1949 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1950 		if (error != 0)
1951 			printf("Aborting dump due to I/O error.\n");
1952 		return (error);
1953 	}
1954 
1955 	/*
1956 	 * Sync the disk cache contents to the physical media.
1957 	 */
1958 	if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1959 		xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1960 		csio.ccb_h.ccb_state = DA_CCB_DUMP;
1961 		scsi_synchronize_cache(&csio,
1962 				       /*retries*/0,
1963 				       /*cbfcnp*/NULL,
1964 				       MSG_SIMPLE_Q_TAG,
1965 				       /*begin_lba*/0,/* Cover the whole disk */
1966 				       /*lb_count*/0,
1967 				       SSD_FULL_SIZE,
1968 				       5 * 1000);
1969 		error = cam_periph_runccb((union ccb *)&csio, cam_periph_error,
1970 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1971 		if (error != 0)
1972 			xpt_print(periph->path, "Synchronize cache failed\n");
1973 	}
1974 	return (error);
1975 }
1976 
1977 static int
1978 dagetattr(struct bio *bp)
1979 {
1980 	int ret;
1981 	struct cam_periph *periph;
1982 
1983 	if (g_handleattr_int(bp, "GEOM::canspeedup", da_enable_biospeedup))
1984 		return (EJUSTRETURN);
1985 
1986 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1987 	cam_periph_lock(periph);
1988 	ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1989 	    periph->path);
1990 	cam_periph_unlock(periph);
1991 	if (ret == 0)
1992 		bp->bio_completed = bp->bio_length;
1993 	return ret;
1994 }
1995 
1996 static void
1997 dainit(void)
1998 {
1999 	cam_status status;
2000 
2001 	da_ccb_zone = uma_zcreate("da_ccb",
2002 	    sizeof(struct ccb_scsiio), NULL, NULL, NULL, NULL,
2003 	    UMA_ALIGN_PTR, 0);
2004 
2005 	/*
2006 	 * Install a global async callback.  This callback will
2007 	 * receive async callbacks like "new device found".
2008 	 */
2009 	status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
2010 
2011 	if (status != CAM_REQ_CMP) {
2012 		printf("da: Failed to attach master async callback "
2013 		       "due to status 0x%x!\n", status);
2014 	} else if (da_send_ordered) {
2015 		/* Register our shutdown event handler */
2016 		if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
2017 					   NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
2018 		    printf("dainit: shutdown event registration failed!\n");
2019 	}
2020 }
2021 
2022 /*
2023  * Callback from GEOM, called when it has finished cleaning up its
2024  * resources.
2025  */
2026 static void
2027 dadiskgonecb(struct disk *dp)
2028 {
2029 	struct cam_periph *periph;
2030 
2031 	periph = (struct cam_periph *)dp->d_drv1;
2032 	da_periph_release(periph, DA_REF_GEOM);
2033 }
2034 
2035 static void
2036 daoninvalidate(struct cam_periph *periph)
2037 {
2038 	struct da_softc *softc;
2039 
2040 	cam_periph_assert(periph, MA_OWNED);
2041 	softc = (struct da_softc *)periph->softc;
2042 
2043 	/*
2044 	 * De-register any async callbacks.
2045 	 */
2046 	xpt_register_async(0, daasync, periph, periph->path);
2047 
2048 	softc->flags |= DA_FLAG_PACK_INVALID;
2049 #ifdef CAM_IO_STATS
2050 	softc->invalidations++;
2051 #endif
2052 
2053 	/*
2054 	 * Return all queued I/O with ENXIO. Transactions may be queued up here
2055 	 * for retry (since we are called while there's other transactions
2056 	 * pending). Any requests in the hardware will drain before dacleanup
2057 	 * is called.
2058 	 */
2059 	cam_iosched_flush(softc->cam_iosched, NULL, ENXIO);
2060 
2061 	/*
2062 	 * Tell GEOM that we've gone away, we'll get a callback when it is
2063 	 * done cleaning up its resources.
2064 	 */
2065 	disk_gone(softc->disk);
2066 }
2067 
2068 static void
2069 dacleanup(struct cam_periph *periph)
2070 {
2071 	struct da_softc *softc;
2072 
2073 	softc = (struct da_softc *)periph->softc;
2074 
2075 	cam_periph_unlock(periph);
2076 
2077 	cam_iosched_fini(softc->cam_iosched);
2078 
2079 	/*
2080 	 * If we can't free the sysctl tree, oh well...
2081 	 */
2082 	if ((softc->flags & DA_FLAG_SCTX_INIT) != 0) {
2083 #ifdef CAM_IO_STATS
2084 		if (sysctl_ctx_free(&softc->sysctl_stats_ctx) != 0)
2085 			xpt_print(periph->path,
2086 			    "can't remove sysctl stats context\n");
2087 #endif
2088 		if (sysctl_ctx_free(&softc->sysctl_ctx) != 0)
2089 			xpt_print(periph->path,
2090 			    "can't remove sysctl context\n");
2091 	}
2092 
2093 	callout_drain(&softc->mediapoll_c);
2094 	disk_destroy(softc->disk);
2095 	callout_drain(&softc->sendordered_c);
2096 	free(softc, M_DEVBUF);
2097 	cam_periph_lock(periph);
2098 }
2099 
2100 static void
2101 daasync(void *callback_arg, uint32_t code,
2102 	struct cam_path *path, void *arg)
2103 {
2104 	struct cam_periph *periph;
2105 	struct da_softc *softc;
2106 
2107 	periph = (struct cam_periph *)callback_arg;
2108 	switch (code) {
2109 	case AC_FOUND_DEVICE:	/* callback to create periph, no locking yet */
2110 	{
2111 		struct ccb_getdev *cgd;
2112 		cam_status status;
2113 
2114 		cgd = (struct ccb_getdev *)arg;
2115 		if (cgd == NULL)
2116 			break;
2117 
2118 		if (cgd->protocol != PROTO_SCSI)
2119 			break;
2120 		if (SID_QUAL(&cgd->inq_data) != SID_QUAL_LU_CONNECTED)
2121 			break;
2122 		if (SID_TYPE(&cgd->inq_data) != T_DIRECT
2123 		    && SID_TYPE(&cgd->inq_data) != T_RBC
2124 		    && SID_TYPE(&cgd->inq_data) != T_OPTICAL
2125 		    && SID_TYPE(&cgd->inq_data) != T_ZBC_HM)
2126 			break;
2127 
2128 		/*
2129 		 * Allocate a peripheral instance for
2130 		 * this device and start the probe
2131 		 * process.
2132 		 */
2133 		status = cam_periph_alloc(daregister, daoninvalidate,
2134 					  dacleanup, dastart,
2135 					  "da", CAM_PERIPH_BIO,
2136 					  path, daasync,
2137 					  AC_FOUND_DEVICE, cgd);
2138 
2139 		if (status != CAM_REQ_CMP
2140 		 && status != CAM_REQ_INPROG)
2141 			printf("daasync: Unable to attach to new device "
2142 				"due to status 0x%x\n", status);
2143 		return;
2144 	}
2145 	case AC_ADVINFO_CHANGED:	/* Doesn't touch periph */
2146 	{
2147 		uintptr_t buftype;
2148 
2149 		buftype = (uintptr_t)arg;
2150 		if (buftype == CDAI_TYPE_PHYS_PATH) {
2151 			struct da_softc *softc;
2152 
2153 			softc = periph->softc;
2154 			disk_attr_changed(softc->disk, "GEOM::physpath",
2155 					  M_NOWAIT);
2156 		}
2157 		break;
2158 	}
2159 	case AC_UNIT_ATTENTION:		/* Called for this path: periph locked */
2160 	{
2161 		union ccb *ccb;
2162 		int error_code, sense_key, asc, ascq;
2163 
2164 		softc = (struct da_softc *)periph->softc;
2165 		ccb = (union ccb *)arg;
2166 
2167 		/*
2168 		 * Handle all UNIT ATTENTIONs except our own, as they will be
2169 		 * handled by daerror().
2170 		 */
2171 		if (xpt_path_periph(ccb->ccb_h.path) != periph &&
2172 		    scsi_extract_sense_ccb(ccb,
2173 		     &error_code, &sense_key, &asc, &ascq)) {
2174 			if (asc == 0x2A && ascq == 0x09) {
2175 				xpt_print(ccb->ccb_h.path,
2176 				    "Capacity data has changed\n");
2177 				cam_periph_assert(periph, MA_OWNED);
2178 				softc->flags &= ~DA_FLAG_PROBED;
2179 				dareprobe(periph);
2180 			} else if (asc == 0x28 && ascq == 0x00) {
2181 				cam_periph_assert(periph, MA_OWNED);
2182 				softc->flags &= ~DA_FLAG_PROBED;
2183 				disk_media_changed(softc->disk, M_NOWAIT);
2184 			} else if (asc == 0x3F && ascq == 0x03) {
2185 				xpt_print(ccb->ccb_h.path,
2186 				    "INQUIRY data has changed\n");
2187 				cam_periph_assert(periph, MA_OWNED);
2188 				softc->flags &= ~DA_FLAG_PROBED;
2189 				dareprobe(periph);
2190 			}
2191 		}
2192 		break;
2193 	}
2194 	case AC_SCSI_AEN:		/* Called for this path: periph locked */
2195 		/*
2196 		 * Appears to be currently unused for SCSI devices, only ata SIMs
2197 		 * generate this.
2198 		 */
2199 		cam_periph_assert(periph, MA_OWNED);
2200 		softc = (struct da_softc *)periph->softc;
2201 		if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR) &&
2202 		    (softc->flags & DA_FLAG_TUR_PENDING) == 0) {
2203 			if (da_periph_acquire(periph, DA_REF_TUR) == 0) {
2204 				cam_iosched_set_work_flags(softc->cam_iosched, DA_WORK_TUR);
2205 				daschedule(periph);
2206 			}
2207 		}
2208 		/* FALLTHROUGH */
2209 	case AC_SENT_BDR:		/* Called for this path: periph locked */
2210 	case AC_BUS_RESET:		/* Called for this path: periph locked */
2211 	{
2212 		struct ccb_hdr *ccbh;
2213 
2214 		cam_periph_assert(periph, MA_OWNED);
2215 		softc = (struct da_softc *)periph->softc;
2216 		/*
2217 		 * Don't fail on the expected unit attention
2218 		 * that will occur.
2219 		 */
2220 		softc->flags |= DA_FLAG_RETRY_UA;
2221 		LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
2222 			ccbh->ccb_state |= DA_CCB_RETRY_UA;
2223 		break;
2224 	}
2225 	case AC_INQ_CHANGED:		/* Called for this path: periph locked */
2226 		cam_periph_assert(periph, MA_OWNED);
2227 		softc = (struct da_softc *)periph->softc;
2228 		softc->flags &= ~DA_FLAG_PROBED;
2229 		dareprobe(periph);
2230 		break;
2231 	default:
2232 		break;
2233 	}
2234 	cam_periph_async(periph, code, path, arg);
2235 }
2236 
2237 static void
2238 dasysctlinit(void *context, int pending)
2239 {
2240 	struct cam_periph *periph;
2241 	struct da_softc *softc;
2242 	char tmpstr[32], tmpstr2[16];
2243 	struct ccb_trans_settings cts;
2244 
2245 	periph = (struct cam_periph *)context;
2246 	/*
2247 	 * periph was held for us when this task was enqueued
2248 	 */
2249 	if (periph->flags & CAM_PERIPH_INVALID) {
2250 		da_periph_release(periph, DA_REF_SYSCTL);
2251 		return;
2252 	}
2253 
2254 	softc = (struct da_softc *)periph->softc;
2255 	snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
2256 	snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
2257 
2258 	sysctl_ctx_init(&softc->sysctl_ctx);
2259 	cam_periph_lock(periph);
2260 	softc->flags |= DA_FLAG_SCTX_INIT;
2261 	cam_periph_unlock(periph);
2262 	softc->sysctl_tree = SYSCTL_ADD_NODE_WITH_LABEL(&softc->sysctl_ctx,
2263 		SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
2264 		CTLFLAG_RD | CTLFLAG_MPSAFE, 0, tmpstr, "device_index");
2265 	if (softc->sysctl_tree == NULL) {
2266 		printf("dasysctlinit: unable to allocate sysctl tree\n");
2267 		da_periph_release(periph, DA_REF_SYSCTL);
2268 		return;
2269 	}
2270 
2271 	/*
2272 	 * Now register the sysctl handler, so the user can change the value on
2273 	 * the fly.
2274 	 */
2275 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2276 		OID_AUTO, "delete_method",
2277 		CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
2278 		softc, 0, dadeletemethodsysctl, "A",
2279 		"BIO_DELETE execution method");
2280 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2281 		OID_AUTO, "delete_max",
2282 		CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE,
2283 		softc, 0, dadeletemaxsysctl, "Q",
2284 		"Maximum BIO_DELETE size");
2285 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2286 		OID_AUTO, "minimum_cmd_size",
2287 		CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE,
2288 		&softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
2289 		"Minimum CDB size");
2290 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2291 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2292 		"trim_count", CTLFLAG_RD, &softc->trim_count,
2293 		"Total number of unmap/dsm commands sent");
2294 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2295 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2296 		"trim_ranges", CTLFLAG_RD, &softc->trim_ranges,
2297 		"Total number of ranges in unmap/dsm commands");
2298 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2299 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2300 		"trim_lbas", CTLFLAG_RD, &softc->trim_lbas,
2301 		"Total lbas in the unmap/dsm commands sent");
2302 
2303 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2304 		OID_AUTO, "zone_mode",
2305 		CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
2306 		softc, 0, dazonemodesysctl, "A",
2307 		"Zone Mode");
2308 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2309 		OID_AUTO, "zone_support",
2310 		CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
2311 		softc, 0, dazonesupsysctl, "A",
2312 		"Zone Support");
2313 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2314 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2315 		"optimal_seq_zones", CTLFLAG_RD, &softc->optimal_seq_zones,
2316 		"Optimal Number of Open Sequential Write Preferred Zones");
2317 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2318 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2319 		"optimal_nonseq_zones", CTLFLAG_RD,
2320 		&softc->optimal_nonseq_zones,
2321 		"Optimal Number of Non-Sequentially Written Sequential Write "
2322 		"Preferred Zones");
2323 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2324 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2325 		"max_seq_zones", CTLFLAG_RD, &softc->max_seq_zones,
2326 		"Maximum Number of Open Sequential Write Required Zones");
2327 
2328 	SYSCTL_ADD_INT(&softc->sysctl_ctx,
2329 		       SYSCTL_CHILDREN(softc->sysctl_tree),
2330 		       OID_AUTO,
2331 		       "error_inject",
2332 		       CTLFLAG_RW,
2333 		       &softc->error_inject,
2334 		       0,
2335 		       "error_inject leaf");
2336 
2337 	SYSCTL_ADD_INT(&softc->sysctl_ctx,
2338 		       SYSCTL_CHILDREN(softc->sysctl_tree),
2339 		       OID_AUTO,
2340 		       "p_type",
2341 		       CTLFLAG_RD,
2342 		       &softc->p_type,
2343 		       0,
2344 		       "DIF protection type");
2345 
2346 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2347 	    OID_AUTO, "flags", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
2348 	    softc, 0, daflagssysctl, "A",
2349 	    "Flags for drive");
2350 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2351 	    OID_AUTO, "rotating", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE,
2352 	    &softc->flags, (u_int)DA_FLAG_ROTATING, dabitsysctl, "I",
2353 	    "Rotating media *DEPRECATED* gone in FreeBSD 15");
2354 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2355 	    OID_AUTO, "unmapped_io", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE,
2356 	    &softc->flags, (u_int)DA_FLAG_UNMAPPEDIO, dabitsysctl, "I",
2357 	    "Unmapped I/O support *DEPRECATED* gone in FreeBSD 15");
2358 
2359 #ifdef CAM_TEST_FAILURE
2360 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2361 		OID_AUTO, "invalidate", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE,
2362 		periph, 0, cam_periph_invalidate_sysctl, "I",
2363 		"Write 1 to invalidate the drive immediately");
2364 #endif
2365 
2366 	/*
2367 	 * Add some addressing info.
2368 	 */
2369 	memset(&cts, 0, sizeof (cts));
2370 	xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
2371 	cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
2372 	cts.type = CTS_TYPE_CURRENT_SETTINGS;
2373 	cam_periph_lock(periph);
2374 	xpt_action((union ccb *)&cts);
2375 	cam_periph_unlock(periph);
2376 	if (cts.ccb_h.status != CAM_REQ_CMP) {
2377 		da_periph_release(periph, DA_REF_SYSCTL);
2378 		return;
2379 	}
2380 	if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) {
2381 		struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc;
2382 		if (fc->valid & CTS_FC_VALID_WWPN) {
2383 			softc->wwpn = fc->wwpn;
2384 			SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2385 			    SYSCTL_CHILDREN(softc->sysctl_tree),
2386 			    OID_AUTO, "wwpn", CTLFLAG_RD,
2387 			    &softc->wwpn, "World Wide Port Name");
2388 		}
2389 	}
2390 
2391 #ifdef CAM_IO_STATS
2392 	/*
2393 	 * Now add some useful stats.
2394 	 * XXX These should live in cam_periph and be common to all periphs
2395 	 */
2396 	softc->sysctl_stats_tree = SYSCTL_ADD_NODE(&softc->sysctl_stats_ctx,
2397 	    SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "stats",
2398 	    CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Statistics");
2399 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2400 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2401 		       OID_AUTO,
2402 		       "errors",
2403 		       CTLFLAG_RD,
2404 		       &softc->errors,
2405 		       0,
2406 		       "Transport errors reported by the SIM");
2407 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2408 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2409 		       OID_AUTO,
2410 		       "timeouts",
2411 		       CTLFLAG_RD,
2412 		       &softc->timeouts,
2413 		       0,
2414 		       "Device timeouts reported by the SIM");
2415 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2416 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2417 		       OID_AUTO,
2418 		       "pack_invalidations",
2419 		       CTLFLAG_RD,
2420 		       &softc->invalidations,
2421 		       0,
2422 		       "Device pack invalidations");
2423 #endif
2424 
2425 	cam_iosched_sysctl_init(softc->cam_iosched, &softc->sysctl_ctx,
2426 	    softc->sysctl_tree);
2427 
2428 	da_periph_release(periph, DA_REF_SYSCTL);
2429 }
2430 
2431 static int
2432 dadeletemaxsysctl(SYSCTL_HANDLER_ARGS)
2433 {
2434 	int error;
2435 	uint64_t value;
2436 	struct da_softc *softc;
2437 
2438 	softc = (struct da_softc *)arg1;
2439 
2440 	value = softc->disk->d_delmaxsize;
2441 	error = sysctl_handle_64(oidp, &value, 0, req);
2442 	if ((error != 0) || (req->newptr == NULL))
2443 		return (error);
2444 
2445 	/* only accept values smaller than the calculated value */
2446 	if (value > dadeletemaxsize(softc, softc->delete_method)) {
2447 		return (EINVAL);
2448 	}
2449 	softc->disk->d_delmaxsize = value;
2450 
2451 	return (0);
2452 }
2453 
2454 static int
2455 dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
2456 {
2457 	int error, value;
2458 
2459 	value = *(int *)arg1;
2460 
2461 	error = sysctl_handle_int(oidp, &value, 0, req);
2462 
2463 	if ((error != 0)
2464 	 || (req->newptr == NULL))
2465 		return (error);
2466 
2467 	/*
2468 	 * Acceptable values here are 6, 10, 12 or 16.
2469 	 */
2470 	if (value < 6)
2471 		value = 6;
2472 	else if ((value > 6)
2473 	      && (value <= 10))
2474 		value = 10;
2475 	else if ((value > 10)
2476 	      && (value <= 12))
2477 		value = 12;
2478 	else if (value > 12)
2479 		value = 16;
2480 
2481 	*(int *)arg1 = value;
2482 
2483 	return (0);
2484 }
2485 
2486 static int
2487 dasysctlsofttimeout(SYSCTL_HANDLER_ARGS)
2488 {
2489 	sbintime_t value;
2490 	int error;
2491 
2492 	value = da_default_softtimeout / SBT_1MS;
2493 
2494 	error = sysctl_handle_int(oidp, (int *)&value, 0, req);
2495 	if ((error != 0) || (req->newptr == NULL))
2496 		return (error);
2497 
2498 	/* XXX Should clip this to a reasonable level */
2499 	if (value > da_default_timeout * 1000)
2500 		return (EINVAL);
2501 
2502 	da_default_softtimeout = value * SBT_1MS;
2503 	return (0);
2504 }
2505 
2506 static void
2507 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method)
2508 {
2509 
2510 	softc->delete_method = delete_method;
2511 	softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method);
2512 	softc->delete_func = da_delete_functions[delete_method];
2513 
2514 	if (softc->delete_method > DA_DELETE_DISABLE)
2515 		softc->disk->d_flags |= DISKFLAG_CANDELETE;
2516 	else
2517 		softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
2518 }
2519 
2520 static off_t
2521 dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method)
2522 {
2523 	off_t sectors;
2524 
2525 	switch(delete_method) {
2526 	case DA_DELETE_UNMAP:
2527 		sectors = (off_t)softc->unmap_max_lba;
2528 		break;
2529 	case DA_DELETE_ATA_TRIM:
2530 		sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
2531 		break;
2532 	case DA_DELETE_WS16:
2533 		sectors = omin(softc->ws_max_blks, WS16_MAX_BLKS);
2534 		break;
2535 	case DA_DELETE_ZERO:
2536 	case DA_DELETE_WS10:
2537 		sectors = omin(softc->ws_max_blks, WS10_MAX_BLKS);
2538 		break;
2539 	default:
2540 		return 0;
2541 	}
2542 
2543 	return (off_t)softc->params.secsize *
2544 	    omin(sectors, softc->params.sectors);
2545 }
2546 
2547 static void
2548 daprobedone(struct cam_periph *periph, union ccb *ccb)
2549 {
2550 	struct da_softc *softc;
2551 
2552 	softc = (struct da_softc *)periph->softc;
2553 
2554 	cam_periph_assert(periph, MA_OWNED);
2555 
2556 	dadeletemethodchoose(softc, DA_DELETE_NONE);
2557 
2558 	if (bootverbose && (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2559 		char buf[80];
2560 		int i, sep;
2561 
2562 		snprintf(buf, sizeof(buf), "Delete methods: <");
2563 		sep = 0;
2564 		for (i = 0; i <= DA_DELETE_MAX; i++) {
2565 			if ((softc->delete_available & (1 << i)) == 0 &&
2566 			    i != softc->delete_method)
2567 				continue;
2568 			if (sep)
2569 				strlcat(buf, ",", sizeof(buf));
2570 			strlcat(buf, da_delete_method_names[i],
2571 			    sizeof(buf));
2572 			if (i == softc->delete_method)
2573 				strlcat(buf, "(*)", sizeof(buf));
2574 			sep = 1;
2575 		}
2576 		strlcat(buf, ">", sizeof(buf));
2577 		printf("%s%d: %s\n", periph->periph_name,
2578 		    periph->unit_number, buf);
2579 	}
2580 	if ((softc->disk->d_flags & DISKFLAG_WRITE_PROTECT) != 0 &&
2581 	    (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2582 		printf("%s%d: Write Protected\n", periph->periph_name,
2583 		    periph->unit_number);
2584 	}
2585 
2586 	/*
2587 	 * Since our peripheral may be invalidated by an error
2588 	 * above or an external event, we must release our CCB
2589 	 * before releasing the probe lock on the peripheral.
2590 	 * The peripheral will only go away once the last lock
2591 	 * is removed, and we need it around for the CCB release
2592 	 * operation.
2593 	 */
2594 	xpt_release_ccb(ccb);
2595 	softc->state = DA_STATE_NORMAL;
2596 	softc->flags |= DA_FLAG_PROBED;
2597 	daschedule(periph);
2598 	wakeup(&softc->disk->d_mediasize);
2599 	if ((softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2600 		softc->flags |= DA_FLAG_ANNOUNCED;
2601 
2602 		/*
2603 		 * We'll release this reference once GEOM calls us back via
2604 		 * dadiskgonecb(), telling us that our provider has been freed.
2605 		 */
2606 		if (da_periph_acquire(periph, DA_REF_GEOM) == 0)
2607 			disk_create(softc->disk, DISK_VERSION);
2608 
2609 		cam_periph_release_boot(periph);
2610 	}
2611 	da_periph_release_locked(periph, DA_REF_REPROBE);
2612 }
2613 
2614 static void
2615 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method)
2616 {
2617 	int i, methods;
2618 
2619 	/* If available, prefer the method requested by user. */
2620 	i = softc->delete_method_pref;
2621 	methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
2622 	if (methods & (1 << i)) {
2623 		dadeletemethodset(softc, i);
2624 		return;
2625 	}
2626 
2627 	/* Use the pre-defined order to choose the best performing delete. */
2628 	for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
2629 		if (i == DA_DELETE_ZERO)
2630 			continue;
2631 		if (softc->delete_available & (1 << i)) {
2632 			dadeletemethodset(softc, i);
2633 			return;
2634 		}
2635 	}
2636 
2637 	/* Fallback to default. */
2638 	dadeletemethodset(softc, default_method);
2639 }
2640 
2641 static int
2642 dabitsysctl(SYSCTL_HANDLER_ARGS)
2643 {
2644 	u_int *flags = arg1;
2645 	u_int test = arg2;
2646 	int tmpout, error;
2647 
2648 	tmpout = !!(*flags & test);
2649 	error = SYSCTL_OUT(req, &tmpout, sizeof(tmpout));
2650 	if (error || !req->newptr)
2651 		return (error);
2652 
2653 	return (EPERM);
2654 }
2655 
2656 static int
2657 daflagssysctl(SYSCTL_HANDLER_ARGS)
2658 {
2659 	struct sbuf sbuf;
2660 	struct da_softc *softc = arg1;
2661 	int error;
2662 
2663 	sbuf_new_for_sysctl(&sbuf, NULL, 0, req);
2664 	if (softc->flags != 0)
2665 		sbuf_printf(&sbuf, "0x%b", (unsigned)softc->flags, DA_FLAG_STRING);
2666 	else
2667 		sbuf_printf(&sbuf, "0");
2668 	error = sbuf_finish(&sbuf);
2669 	sbuf_delete(&sbuf);
2670 
2671 	return (error);
2672 }
2673 
2674 static int
2675 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
2676 {
2677 	char buf[16];
2678 	const char *p;
2679 	struct da_softc *softc;
2680 	int i, error, value;
2681 
2682 	softc = (struct da_softc *)arg1;
2683 
2684 	value = softc->delete_method;
2685 	if (value < 0 || value > DA_DELETE_MAX)
2686 		p = "UNKNOWN";
2687 	else
2688 		p = da_delete_method_names[value];
2689 	strncpy(buf, p, sizeof(buf));
2690 	error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
2691 	if (error != 0 || req->newptr == NULL)
2692 		return (error);
2693 	for (i = 0; i <= DA_DELETE_MAX; i++) {
2694 		if (strcmp(buf, da_delete_method_names[i]) == 0)
2695 			break;
2696 	}
2697 	if (i > DA_DELETE_MAX)
2698 		return (EINVAL);
2699 	softc->delete_method_pref = i;
2700 	dadeletemethodchoose(softc, DA_DELETE_NONE);
2701 	return (0);
2702 }
2703 
2704 static int
2705 dazonemodesysctl(SYSCTL_HANDLER_ARGS)
2706 {
2707 	char tmpbuf[40];
2708 	struct da_softc *softc;
2709 	int error;
2710 
2711 	softc = (struct da_softc *)arg1;
2712 
2713 	switch (softc->zone_mode) {
2714 	case DA_ZONE_DRIVE_MANAGED:
2715 		snprintf(tmpbuf, sizeof(tmpbuf), "Drive Managed");
2716 		break;
2717 	case DA_ZONE_HOST_AWARE:
2718 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Aware");
2719 		break;
2720 	case DA_ZONE_HOST_MANAGED:
2721 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Managed");
2722 		break;
2723 	case DA_ZONE_NONE:
2724 	default:
2725 		snprintf(tmpbuf, sizeof(tmpbuf), "Not Zoned");
2726 		break;
2727 	}
2728 
2729 	error = sysctl_handle_string(oidp, tmpbuf, sizeof(tmpbuf), req);
2730 
2731 	return (error);
2732 }
2733 
2734 static int
2735 dazonesupsysctl(SYSCTL_HANDLER_ARGS)
2736 {
2737 	char tmpbuf[180];
2738 	struct da_softc *softc;
2739 	struct sbuf sb;
2740 	int error, first;
2741 	unsigned int i;
2742 
2743 	softc = (struct da_softc *)arg1;
2744 
2745 	error = 0;
2746 	first = 1;
2747 	sbuf_new(&sb, tmpbuf, sizeof(tmpbuf), 0);
2748 
2749 	for (i = 0; i < sizeof(da_zone_desc_table) /
2750 	     sizeof(da_zone_desc_table[0]); i++) {
2751 		if (softc->zone_flags & da_zone_desc_table[i].value) {
2752 			if (first == 0)
2753 				sbuf_printf(&sb, ", ");
2754 			else
2755 				first = 0;
2756 			sbuf_cat(&sb, da_zone_desc_table[i].desc);
2757 		}
2758 	}
2759 
2760 	if (first == 1)
2761 		sbuf_printf(&sb, "None");
2762 
2763 	sbuf_finish(&sb);
2764 
2765 	error = sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
2766 
2767 	return (error);
2768 }
2769 
2770 static cam_status
2771 daregister(struct cam_periph *periph, void *arg)
2772 {
2773 	struct da_softc *softc;
2774 	struct ccb_pathinq cpi;
2775 	struct ccb_getdev *cgd;
2776 	char tmpstr[80];
2777 	caddr_t match;
2778 	int quirks;
2779 
2780 	cgd = (struct ccb_getdev *)arg;
2781 	if (cgd == NULL) {
2782 		printf("daregister: no getdev CCB, can't register device\n");
2783 		return(CAM_REQ_CMP_ERR);
2784 	}
2785 
2786 	softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
2787 	    M_NOWAIT|M_ZERO);
2788 
2789 	if (softc == NULL) {
2790 		printf("daregister: Unable to probe new device. "
2791 		       "Unable to allocate softc\n");
2792 		return(CAM_REQ_CMP_ERR);
2793 	}
2794 
2795 	if (cam_iosched_init(&softc->cam_iosched, periph) != 0) {
2796 		printf("daregister: Unable to probe new device. "
2797 		       "Unable to allocate iosched memory\n");
2798 		free(softc, M_DEVBUF);
2799 		return(CAM_REQ_CMP_ERR);
2800 	}
2801 
2802 	LIST_INIT(&softc->pending_ccbs);
2803 	softc->state = DA_STATE_PROBE_WP;
2804 	bioq_init(&softc->delete_run_queue);
2805 	if (SID_IS_REMOVABLE(&cgd->inq_data))
2806 		softc->flags |= DA_FLAG_PACK_REMOVABLE;
2807 	softc->unmap_max_ranges = UNMAP_MAX_RANGES;
2808 	softc->unmap_max_lba = UNMAP_RANGE_MAX;
2809 	softc->unmap_gran = 0;
2810 	softc->unmap_gran_align = 0;
2811 	softc->ws_max_blks = WS16_MAX_BLKS;
2812 	softc->trim_max_ranges = ATA_TRIM_MAX_RANGES;
2813 	softc->flags |= DA_FLAG_ROTATING;
2814 
2815 	periph->softc = softc;
2816 
2817 	/*
2818 	 * See if this device has any quirks.
2819 	 */
2820 	match = cam_quirkmatch((caddr_t)&cgd->inq_data,
2821 			       (caddr_t)da_quirk_table,
2822 			       nitems(da_quirk_table),
2823 			       sizeof(*da_quirk_table), scsi_inquiry_match);
2824 
2825 	if (match != NULL)
2826 		softc->quirks = ((struct da_quirk_entry *)match)->quirks;
2827 	else
2828 		softc->quirks = DA_Q_NONE;
2829 
2830 	/* Check if the SIM does not want 6 byte commands */
2831 	xpt_path_inq(&cpi, periph->path);
2832 	if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
2833 		softc->quirks |= DA_Q_NO_6_BYTE;
2834 
2835 	/* Override quirks if tunable is set */
2836 	snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.quirks",
2837 		 periph->unit_number);
2838 	quirks = softc->quirks;
2839 	TUNABLE_INT_FETCH(tmpstr, &quirks);
2840 	softc->quirks = quirks;
2841 
2842 	if (SID_TYPE(&cgd->inq_data) == T_ZBC_HM)
2843 		softc->zone_mode = DA_ZONE_HOST_MANAGED;
2844 	else if (softc->quirks & DA_Q_SMR_DM)
2845 		softc->zone_mode = DA_ZONE_DRIVE_MANAGED;
2846 	else
2847 		softc->zone_mode = DA_ZONE_NONE;
2848 
2849 	if (softc->zone_mode != DA_ZONE_NONE) {
2850 		if (scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
2851 			if (scsi_vpd_supported_page(periph, SVPD_ZONED_BDC))
2852 				softc->zone_interface = DA_ZONE_IF_ATA_SAT;
2853 			else
2854 				softc->zone_interface = DA_ZONE_IF_ATA_PASS;
2855 		} else
2856 			softc->zone_interface = DA_ZONE_IF_SCSI;
2857 	}
2858 
2859 	TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
2860 
2861 	/*
2862 	 * Let XPT know we can use UMA-allocated CCBs.
2863 	 */
2864 	if (da_enable_uma_ccbs) {
2865 		KASSERT(da_ccb_zone != NULL,
2866 		    ("%s: NULL da_ccb_zone", __func__));
2867 		periph->ccb_zone = da_ccb_zone;
2868 	}
2869 
2870 	/*
2871 	 * Take a reference on the periph while dastart is called to finish the
2872 	 * probe.  The reference will be dropped in dadone at the end of probe.
2873 	 */
2874 	(void)da_periph_acquire(periph, DA_REF_REPROBE);
2875 
2876 	/*
2877 	 * Schedule a periodic event to occasionally send an
2878 	 * ordered tag to a device.
2879 	 */
2880 	callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
2881 	callout_reset_sbt(&softc->sendordered_c,
2882 	    SBT_1S / DA_ORDEREDTAG_INTERVAL * da_default_timeout, 0,
2883 	    dasendorderedtag, periph, C_PREL(1));
2884 
2885 	cam_periph_unlock(periph);
2886 	/*
2887 	 * RBC devices don't have to support READ(6), only READ(10).
2888 	 */
2889 	if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
2890 		softc->minimum_cmd_size = 10;
2891 	else
2892 		softc->minimum_cmd_size = 6;
2893 
2894 	/*
2895 	 * Load the user's default, if any.
2896 	 */
2897 	snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
2898 		 periph->unit_number);
2899 	TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
2900 
2901 	/*
2902 	 * 6, 10, 12 and 16 are the currently permissible values.
2903 	 */
2904 	if (softc->minimum_cmd_size > 12)
2905 		softc->minimum_cmd_size = 16;
2906 	else if (softc->minimum_cmd_size > 10)
2907 		softc->minimum_cmd_size = 12;
2908 	else if (softc->minimum_cmd_size > 6)
2909 		softc->minimum_cmd_size = 10;
2910 	else
2911 		softc->minimum_cmd_size = 6;
2912 
2913 	/* On first PROBE_WP request all more pages, then adjust. */
2914 	softc->mode_page = SMS_ALL_PAGES_PAGE;
2915 
2916 	/* Predict whether device may support READ CAPACITY(16). */
2917 	if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 &&
2918 	    (softc->quirks & DA_Q_NO_RC16) == 0) {
2919 		softc->flags |= DA_FLAG_CAN_RC16;
2920 	}
2921 
2922 	/*
2923 	 * Register this media as a disk.
2924 	 */
2925 	softc->disk = disk_alloc();
2926 	softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
2927 			  periph->unit_number, 0,
2928 			  DEVSTAT_BS_UNAVAILABLE,
2929 			  SID_TYPE(&cgd->inq_data) |
2930 			  XPORT_DEVSTAT_TYPE(cpi.transport),
2931 			  DEVSTAT_PRIORITY_DISK);
2932 	softc->disk->d_open = daopen;
2933 	softc->disk->d_close = daclose;
2934 	softc->disk->d_strategy = dastrategy;
2935 	if (cam_sim_pollable(periph->sim))
2936 		softc->disk->d_dump = dadump;
2937 	softc->disk->d_getattr = dagetattr;
2938 	softc->disk->d_gone = dadiskgonecb;
2939 	softc->disk->d_name = "da";
2940 	softc->disk->d_drv1 = periph;
2941 	if (cpi.maxio == 0)
2942 		softc->maxio = DFLTPHYS;	/* traditional default */
2943 	else if (cpi.maxio > maxphys)
2944 		softc->maxio = maxphys;		/* for safety */
2945 	else
2946 		softc->maxio = cpi.maxio;
2947 	if (softc->quirks & DA_Q_128KB)
2948 		softc->maxio = min(softc->maxio, 128 * 1024);
2949 	softc->disk->d_maxsize = softc->maxio;
2950 	softc->disk->d_unit = periph->unit_number;
2951 	softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION | DISKFLAG_CANZONE;
2952 	if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
2953 		softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
2954 	if ((cpi.hba_misc & PIM_UNMAPPED) != 0) {
2955 		softc->flags |= DA_FLAG_UNMAPPEDIO;
2956 		softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
2957 	}
2958 	cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
2959 	    sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
2960 	strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
2961 	cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
2962 	    cgd->inq_data.product, sizeof(cgd->inq_data.product),
2963 	    sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
2964 	softc->disk->d_hba_vendor = cpi.hba_vendor;
2965 	softc->disk->d_hba_device = cpi.hba_device;
2966 	softc->disk->d_hba_subvendor = cpi.hba_subvendor;
2967 	softc->disk->d_hba_subdevice = cpi.hba_subdevice;
2968 	snprintf(softc->disk->d_attachment, sizeof(softc->disk->d_attachment),
2969 	    "%s%d", cpi.dev_name, cpi.unit_number);
2970 	cam_periph_lock(periph);
2971 
2972 	/*
2973 	 * Add async callbacks for events of interest.
2974 	 * I don't bother checking if this fails as,
2975 	 * in most cases, the system will function just
2976 	 * fine without them and the only alternative
2977 	 * would be to not attach the device on failure.
2978 	 */
2979 	xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
2980 	    AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION |
2981 	    AC_INQ_CHANGED, daasync, periph, periph->path);
2982 
2983 	/*
2984 	 * Schedule a periodic media polling events.
2985 	 */
2986 	callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0);
2987 	if ((softc->flags & DA_FLAG_PACK_REMOVABLE) &&
2988 	    (cgd->inq_flags & SID_AEN) == 0 &&
2989 	    da_poll_period != 0) {
2990 		callout_reset_sbt(&softc->mediapoll_c, da_poll_period * SBT_1S,
2991 		    0, damediapoll, periph, C_PREL(1));
2992 	}
2993 
2994 	/* Released after probe when disk_create() call pass it to GEOM. */
2995 	cam_periph_hold_boot(periph);
2996 
2997 	xpt_schedule(periph, CAM_PRIORITY_DEV);
2998 	return(CAM_REQ_CMP);
2999 }
3000 
3001 static int
3002 da_zone_bio_to_scsi(int disk_zone_cmd)
3003 {
3004 	switch (disk_zone_cmd) {
3005 	case DISK_ZONE_OPEN:
3006 		return ZBC_OUT_SA_OPEN;
3007 	case DISK_ZONE_CLOSE:
3008 		return ZBC_OUT_SA_CLOSE;
3009 	case DISK_ZONE_FINISH:
3010 		return ZBC_OUT_SA_FINISH;
3011 	case DISK_ZONE_RWP:
3012 		return ZBC_OUT_SA_RWP;
3013 	}
3014 
3015 	return -1;
3016 }
3017 
3018 static int
3019 da_zone_cmd(struct cam_periph *periph, union ccb *ccb, struct bio *bp,
3020 	    int *queue_ccb)
3021 {
3022 	struct da_softc *softc;
3023 	int error;
3024 
3025 	error = 0;
3026 
3027 	if (bp->bio_cmd != BIO_ZONE) {
3028 		error = EINVAL;
3029 		goto bailout;
3030 	}
3031 
3032 	softc = periph->softc;
3033 
3034 	switch (bp->bio_zone.zone_cmd) {
3035 	case DISK_ZONE_OPEN:
3036 	case DISK_ZONE_CLOSE:
3037 	case DISK_ZONE_FINISH:
3038 	case DISK_ZONE_RWP: {
3039 		int zone_flags;
3040 		int zone_sa;
3041 		uint64_t lba;
3042 
3043 		zone_sa = da_zone_bio_to_scsi(bp->bio_zone.zone_cmd);
3044 		if (zone_sa == -1) {
3045 			xpt_print(periph->path, "Cannot translate zone "
3046 			    "cmd %#x to SCSI\n", bp->bio_zone.zone_cmd);
3047 			error = EINVAL;
3048 			goto bailout;
3049 		}
3050 
3051 		zone_flags = 0;
3052 		lba = bp->bio_zone.zone_params.rwp.id;
3053 
3054 		if (bp->bio_zone.zone_params.rwp.flags &
3055 		    DISK_ZONE_RWP_FLAG_ALL)
3056 			zone_flags |= ZBC_OUT_ALL;
3057 
3058 		if (softc->zone_interface != DA_ZONE_IF_ATA_PASS) {
3059 			scsi_zbc_out(&ccb->csio,
3060 				     /*retries*/ da_retry_count,
3061 				     /*cbfcnp*/ dadone,
3062 				     /*tag_action*/ MSG_SIMPLE_Q_TAG,
3063 				     /*service_action*/ zone_sa,
3064 				     /*zone_id*/ lba,
3065 				     /*zone_flags*/ zone_flags,
3066 				     /*data_ptr*/ NULL,
3067 				     /*dxfer_len*/ 0,
3068 				     /*sense_len*/ SSD_FULL_SIZE,
3069 				     /*timeout*/ da_default_timeout * 1000);
3070 		} else {
3071 			/*
3072 			 * Note that in this case, even though we can
3073 			 * technically use NCQ, we don't bother for several
3074 			 * reasons:
3075 			 * 1. It hasn't been tested on a SAT layer that
3076 			 *    supports it.  This is new as of SAT-4.
3077 			 * 2. Even when there is a SAT layer that supports
3078 			 *    it, that SAT layer will also probably support
3079 			 *    ZBC -> ZAC translation, since they are both
3080 			 *    in the SAT-4 spec.
3081 			 * 3. Translation will likely be preferable to ATA
3082 			 *    passthrough.  LSI / Avago at least single
3083 			 *    steps ATA passthrough commands in the HBA,
3084 			 *    regardless of protocol, so unless that
3085 			 *    changes, there is a performance penalty for
3086 			 *    doing ATA passthrough no matter whether
3087 			 *    you're using NCQ/FPDMA, DMA or PIO.
3088 			 * 4. It requires a 32-byte CDB, which at least at
3089 			 *    this point in CAM requires a CDB pointer, which
3090 			 *    would require us to allocate an additional bit
3091 			 *    of storage separate from the CCB.
3092 			 */
3093 			error = scsi_ata_zac_mgmt_out(&ccb->csio,
3094 			    /*retries*/ da_retry_count,
3095 			    /*cbfcnp*/ dadone,
3096 			    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3097 			    /*use_ncq*/ 0,
3098 			    /*zm_action*/ zone_sa,
3099 			    /*zone_id*/ lba,
3100 			    /*zone_flags*/ zone_flags,
3101 			    /*data_ptr*/ NULL,
3102 			    /*dxfer_len*/ 0,
3103 			    /*cdb_storage*/ NULL,
3104 			    /*cdb_storage_len*/ 0,
3105 			    /*sense_len*/ SSD_FULL_SIZE,
3106 			    /*timeout*/ da_default_timeout * 1000);
3107 			if (error != 0) {
3108 				error = EINVAL;
3109 				xpt_print(periph->path,
3110 				    "scsi_ata_zac_mgmt_out() returned an "
3111 				    "error!");
3112 				goto bailout;
3113 			}
3114 		}
3115 		*queue_ccb = 1;
3116 
3117 		break;
3118 	}
3119 	case DISK_ZONE_REPORT_ZONES: {
3120 		uint8_t *rz_ptr;
3121 		uint32_t num_entries, alloc_size;
3122 		struct disk_zone_report *rep;
3123 
3124 		rep = &bp->bio_zone.zone_params.report;
3125 
3126 		num_entries = rep->entries_allocated;
3127 		if (num_entries == 0) {
3128 			xpt_print(periph->path, "No entries allocated for "
3129 			    "Report Zones request\n");
3130 			error = EINVAL;
3131 			goto bailout;
3132 		}
3133 		alloc_size = sizeof(struct scsi_report_zones_hdr) +
3134 		    (sizeof(struct scsi_report_zones_desc) * num_entries);
3135 		alloc_size = min(alloc_size, softc->disk->d_maxsize);
3136 		rz_ptr = malloc(alloc_size, M_SCSIDA, M_NOWAIT | M_ZERO);
3137 		if (rz_ptr == NULL) {
3138 			xpt_print(periph->path, "Unable to allocate memory "
3139 			   "for Report Zones request\n");
3140 			error = ENOMEM;
3141 			goto bailout;
3142 		}
3143 
3144 		if (softc->zone_interface != DA_ZONE_IF_ATA_PASS) {
3145 			scsi_zbc_in(&ccb->csio,
3146 				    /*retries*/ da_retry_count,
3147 				    /*cbcfnp*/ dadone,
3148 				    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3149 				    /*service_action*/ ZBC_IN_SA_REPORT_ZONES,
3150 				    /*zone_start_lba*/ rep->starting_id,
3151 				    /*zone_options*/ rep->rep_options,
3152 				    /*data_ptr*/ rz_ptr,
3153 				    /*dxfer_len*/ alloc_size,
3154 				    /*sense_len*/ SSD_FULL_SIZE,
3155 				    /*timeout*/ da_default_timeout * 1000);
3156 		} else {
3157 			/*
3158 			 * Note that in this case, even though we can
3159 			 * technically use NCQ, we don't bother for several
3160 			 * reasons:
3161 			 * 1. It hasn't been tested on a SAT layer that
3162 			 *    supports it.  This is new as of SAT-4.
3163 			 * 2. Even when there is a SAT layer that supports
3164 			 *    it, that SAT layer will also probably support
3165 			 *    ZBC -> ZAC translation, since they are both
3166 			 *    in the SAT-4 spec.
3167 			 * 3. Translation will likely be preferable to ATA
3168 			 *    passthrough.  LSI / Avago at least single
3169 			 *    steps ATA passthrough commands in the HBA,
3170 			 *    regardless of protocol, so unless that
3171 			 *    changes, there is a performance penalty for
3172 			 *    doing ATA passthrough no matter whether
3173 			 *    you're using NCQ/FPDMA, DMA or PIO.
3174 			 * 4. It requires a 32-byte CDB, which at least at
3175 			 *    this point in CAM requires a CDB pointer, which
3176 			 *    would require us to allocate an additional bit
3177 			 *    of storage separate from the CCB.
3178 			 */
3179 			error = scsi_ata_zac_mgmt_in(&ccb->csio,
3180 			    /*retries*/ da_retry_count,
3181 			    /*cbcfnp*/ dadone,
3182 			    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3183 			    /*use_ncq*/ 0,
3184 			    /*zm_action*/ ATA_ZM_REPORT_ZONES,
3185 			    /*zone_id*/ rep->starting_id,
3186 			    /*zone_flags*/ rep->rep_options,
3187 			    /*data_ptr*/ rz_ptr,
3188 			    /*dxfer_len*/ alloc_size,
3189 			    /*cdb_storage*/ NULL,
3190 			    /*cdb_storage_len*/ 0,
3191 			    /*sense_len*/ SSD_FULL_SIZE,
3192 			    /*timeout*/ da_default_timeout * 1000);
3193 			if (error != 0) {
3194 				error = EINVAL;
3195 				xpt_print(periph->path,
3196 				    "scsi_ata_zac_mgmt_in() returned an "
3197 				    "error!");
3198 				goto bailout;
3199 			}
3200 		}
3201 
3202 		/*
3203 		 * For BIO_ZONE, this isn't normally needed.  However, it
3204 		 * is used by devstat_end_transaction_bio() to determine
3205 		 * how much data was transferred.
3206 		 */
3207 		/*
3208 		 * XXX KDM we have a problem.  But I'm not sure how to fix
3209 		 * it.  devstat uses bio_bcount - bio_resid to calculate
3210 		 * the amount of data transferred.   The GEOM disk code
3211 		 * uses bio_length - bio_resid to calculate the amount of
3212 		 * data in bio_completed.  We have different structure
3213 		 * sizes above and below the ada(4) driver.  So, if we
3214 		 * use the sizes above, the amount transferred won't be
3215 		 * quite accurate for devstat.  If we use different sizes
3216 		 * for bio_bcount and bio_length (above and below
3217 		 * respectively), then the residual needs to match one or
3218 		 * the other.  Everything is calculated after the bio
3219 		 * leaves the driver, so changing the values around isn't
3220 		 * really an option.  For now, just set the count to the
3221 		 * passed in length.  This means that the calculations
3222 		 * above (e.g. bio_completed) will be correct, but the
3223 		 * amount of data reported to devstat will be slightly
3224 		 * under or overstated.
3225 		 */
3226 		bp->bio_bcount = bp->bio_length;
3227 
3228 		*queue_ccb = 1;
3229 
3230 		break;
3231 	}
3232 	case DISK_ZONE_GET_PARAMS: {
3233 		struct disk_zone_disk_params *params;
3234 
3235 		params = &bp->bio_zone.zone_params.disk_params;
3236 		bzero(params, sizeof(*params));
3237 
3238 		switch (softc->zone_mode) {
3239 		case DA_ZONE_DRIVE_MANAGED:
3240 			params->zone_mode = DISK_ZONE_MODE_DRIVE_MANAGED;
3241 			break;
3242 		case DA_ZONE_HOST_AWARE:
3243 			params->zone_mode = DISK_ZONE_MODE_HOST_AWARE;
3244 			break;
3245 		case DA_ZONE_HOST_MANAGED:
3246 			params->zone_mode = DISK_ZONE_MODE_HOST_MANAGED;
3247 			break;
3248 		default:
3249 		case DA_ZONE_NONE:
3250 			params->zone_mode = DISK_ZONE_MODE_NONE;
3251 			break;
3252 		}
3253 
3254 		if (softc->zone_flags & DA_ZONE_FLAG_URSWRZ)
3255 			params->flags |= DISK_ZONE_DISK_URSWRZ;
3256 
3257 		if (softc->zone_flags & DA_ZONE_FLAG_OPT_SEQ_SET) {
3258 			params->optimal_seq_zones = softc->optimal_seq_zones;
3259 			params->flags |= DISK_ZONE_OPT_SEQ_SET;
3260 		}
3261 
3262 		if (softc->zone_flags & DA_ZONE_FLAG_OPT_NONSEQ_SET) {
3263 			params->optimal_nonseq_zones =
3264 			    softc->optimal_nonseq_zones;
3265 			params->flags |= DISK_ZONE_OPT_NONSEQ_SET;
3266 		}
3267 
3268 		if (softc->zone_flags & DA_ZONE_FLAG_MAX_SEQ_SET) {
3269 			params->max_seq_zones = softc->max_seq_zones;
3270 			params->flags |= DISK_ZONE_MAX_SEQ_SET;
3271 		}
3272 		if (softc->zone_flags & DA_ZONE_FLAG_RZ_SUP)
3273 			params->flags |= DISK_ZONE_RZ_SUP;
3274 
3275 		if (softc->zone_flags & DA_ZONE_FLAG_OPEN_SUP)
3276 			params->flags |= DISK_ZONE_OPEN_SUP;
3277 
3278 		if (softc->zone_flags & DA_ZONE_FLAG_CLOSE_SUP)
3279 			params->flags |= DISK_ZONE_CLOSE_SUP;
3280 
3281 		if (softc->zone_flags & DA_ZONE_FLAG_FINISH_SUP)
3282 			params->flags |= DISK_ZONE_FINISH_SUP;
3283 
3284 		if (softc->zone_flags & DA_ZONE_FLAG_RWP_SUP)
3285 			params->flags |= DISK_ZONE_RWP_SUP;
3286 		break;
3287 	}
3288 	default:
3289 		break;
3290 	}
3291 bailout:
3292 	return (error);
3293 }
3294 
3295 static void
3296 dastart(struct cam_periph *periph, union ccb *start_ccb)
3297 {
3298 	struct da_softc *softc;
3299 
3300 	cam_periph_assert(periph, MA_OWNED);
3301 	softc = (struct da_softc *)periph->softc;
3302 
3303 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n"));
3304 
3305 skipstate:
3306 	switch (softc->state) {
3307 	case DA_STATE_NORMAL:
3308 	{
3309 		struct bio *bp;
3310 		uint8_t tag_code;
3311 
3312 more:
3313 		bp = cam_iosched_next_bio(softc->cam_iosched);
3314 		if (bp == NULL) {
3315 			if (cam_iosched_has_work_flags(softc->cam_iosched,
3316 			    DA_WORK_TUR)) {
3317 				softc->flags |= DA_FLAG_TUR_PENDING;
3318 				cam_iosched_clr_work_flags(softc->cam_iosched,
3319 				    DA_WORK_TUR);
3320 				scsi_test_unit_ready(&start_ccb->csio,
3321 				     /*retries*/ da_retry_count,
3322 				     dadone_tur,
3323 				     MSG_SIMPLE_Q_TAG,
3324 				     SSD_FULL_SIZE,
3325 				     da_default_timeout * 1000);
3326 				start_ccb->ccb_h.ccb_bp = NULL;
3327 				start_ccb->ccb_h.ccb_state = DA_CCB_TUR;
3328 				xpt_action(start_ccb);
3329 			} else
3330 				xpt_release_ccb(start_ccb);
3331 			break;
3332 		}
3333 
3334 		if (bp->bio_cmd == BIO_DELETE) {
3335 			if (softc->delete_func != NULL) {
3336 				softc->delete_func(periph, start_ccb, bp);
3337 				goto out;
3338 			} else {
3339 				/*
3340 				 * Not sure this is possible, but failsafe by
3341 				 * lying and saying "sure, done."
3342 				 */
3343 				biofinish(bp, NULL, 0);
3344 				goto more;
3345 			}
3346 		}
3347 
3348 		if (cam_iosched_has_work_flags(softc->cam_iosched,
3349 		    DA_WORK_TUR)) {
3350 			cam_iosched_clr_work_flags(softc->cam_iosched,
3351 			    DA_WORK_TUR);
3352 			da_periph_release_locked(periph, DA_REF_TUR);
3353 		}
3354 
3355 		if ((bp->bio_flags & BIO_ORDERED) != 0 ||
3356 		    (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
3357 			softc->flags &= ~DA_FLAG_NEED_OTAG;
3358 			softc->flags |= DA_FLAG_WAS_OTAG;
3359 			tag_code = MSG_ORDERED_Q_TAG;
3360 		} else {
3361 			tag_code = MSG_SIMPLE_Q_TAG;
3362 		}
3363 
3364 		switch (bp->bio_cmd) {
3365 		case BIO_WRITE:
3366 		case BIO_READ:
3367 		{
3368 			void *data_ptr;
3369 			int rw_op;
3370 
3371 			biotrack(bp, __func__);
3372 
3373 			if (bp->bio_cmd == BIO_WRITE) {
3374 				softc->flags |= DA_FLAG_DIRTY;
3375 				rw_op = SCSI_RW_WRITE;
3376 			} else {
3377 				rw_op = SCSI_RW_READ;
3378 			}
3379 
3380 			data_ptr = bp->bio_data;
3381 			if ((bp->bio_flags & (BIO_UNMAPPED|BIO_VLIST)) != 0) {
3382 				rw_op |= SCSI_RW_BIO;
3383 				data_ptr = bp;
3384 			}
3385 
3386 			scsi_read_write(&start_ccb->csio,
3387 					/*retries*/da_retry_count,
3388 					/*cbfcnp*/dadone,
3389 					/*tag_action*/tag_code,
3390 					rw_op,
3391 					/*byte2*/0,
3392 					softc->minimum_cmd_size,
3393 					/*lba*/bp->bio_pblkno,
3394 					/*block_count*/bp->bio_bcount /
3395 					softc->params.secsize,
3396 					data_ptr,
3397 					/*dxfer_len*/ bp->bio_bcount,
3398 					/*sense_len*/SSD_FULL_SIZE,
3399 					da_default_timeout * 1000);
3400 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
3401 			start_ccb->csio.bio = bp;
3402 #endif
3403 			break;
3404 		}
3405 		case BIO_FLUSH:
3406 			/*
3407 			 * If we don't support sync cache, or the disk
3408 			 * isn't dirty, FLUSH is a no-op.  Use the
3409 			 * allocated CCB for the next bio if one is
3410 			 * available.
3411 			 */
3412 			if ((softc->quirks & DA_Q_NO_SYNC_CACHE) != 0 ||
3413 			    (softc->flags & DA_FLAG_DIRTY) == 0) {
3414 				biodone(bp);
3415 				goto skipstate;
3416 			}
3417 
3418 			/*
3419 			 * BIO_FLUSH doesn't currently communicate
3420 			 * range data, so we synchronize the cache
3421 			 * over the whole disk.
3422 			 */
3423 			scsi_synchronize_cache(&start_ccb->csio,
3424 					       /*retries*/1,
3425 					       /*cbfcnp*/dadone,
3426 					       /*tag_action*/tag_code,
3427 					       /*begin_lba*/0,
3428 					       /*lb_count*/0,
3429 					       SSD_FULL_SIZE,
3430 					       da_default_timeout*1000);
3431 			/*
3432 			 * Clear the dirty flag before sending the command.
3433 			 * Either this sync cache will be successful, or it
3434 			 * will fail after a retry.  If it fails, it is
3435 			 * unlikely to be successful if retried later, so
3436 			 * we'll save ourselves time by just marking the
3437 			 * device clean.
3438 			 */
3439 			softc->flags &= ~DA_FLAG_DIRTY;
3440 			break;
3441 		case BIO_ZONE: {
3442 			int error, queue_ccb;
3443 
3444 			queue_ccb = 0;
3445 
3446 			error = da_zone_cmd(periph, start_ccb, bp,&queue_ccb);
3447 			if ((error != 0)
3448 			 || (queue_ccb == 0)) {
3449 				biofinish(bp, NULL, error);
3450 				xpt_release_ccb(start_ccb);
3451 				return;
3452 			}
3453 			break;
3454 		}
3455 		default:
3456 			biofinish(bp, NULL, EOPNOTSUPP);
3457 			xpt_release_ccb(start_ccb);
3458 			return;
3459 		}
3460 		start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
3461 		start_ccb->ccb_h.flags |= CAM_UNLOCKED;
3462 		start_ccb->ccb_h.softtimeout = sbttotv(da_default_softtimeout);
3463 
3464 out:
3465 		LIST_INSERT_HEAD(&softc->pending_ccbs,
3466 				 &start_ccb->ccb_h, periph_links.le);
3467 
3468 		/* We expect a unit attention from this device */
3469 		if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
3470 			start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
3471 			softc->flags &= ~DA_FLAG_RETRY_UA;
3472 		}
3473 
3474 		start_ccb->ccb_h.ccb_bp = bp;
3475 		softc->refcount++;
3476 		cam_periph_unlock(periph);
3477 		xpt_action(start_ccb);
3478 		cam_periph_lock(periph);
3479 
3480 		/* May have more work to do, so ensure we stay scheduled */
3481 		daschedule(periph);
3482 		break;
3483 	}
3484 	case DA_STATE_PROBE_WP:
3485 	{
3486 		void  *mode_buf;
3487 		int    mode_buf_len;
3488 
3489 		if (da_disable_wp_detection || softc->mode_page < 0) {
3490 			if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
3491 				softc->state = DA_STATE_PROBE_RC16;
3492 			else
3493 				softc->state = DA_STATE_PROBE_RC;
3494 			goto skipstate;
3495 		}
3496 		mode_buf_len = 192;
3497 		mode_buf = malloc(mode_buf_len, M_SCSIDA, M_NOWAIT);
3498 		if (mode_buf == NULL) {
3499 			xpt_print(periph->path, "Unable to send mode sense - "
3500 			    "malloc failure\n");
3501 			if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
3502 				softc->state = DA_STATE_PROBE_RC16;
3503 			else
3504 				softc->state = DA_STATE_PROBE_RC;
3505 			goto skipstate;
3506 		}
3507 		scsi_mode_sense_len(&start_ccb->csio,
3508 				    /*retries*/ da_retry_count,
3509 				    /*cbfcnp*/ dadone_probewp,
3510 				    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3511 				    /*dbd*/ FALSE,
3512 				    /*pc*/ SMS_PAGE_CTRL_CURRENT,
3513 				    /*page*/ softc->mode_page,
3514 				    /*param_buf*/ mode_buf,
3515 				    /*param_len*/ mode_buf_len,
3516 				    /*minimum_cmd_size*/ softc->minimum_cmd_size,
3517 				    /*sense_len*/ SSD_FULL_SIZE,
3518 				    /*timeout*/ da_default_timeout * 1000);
3519 		start_ccb->ccb_h.ccb_bp = NULL;
3520 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_WP;
3521 		xpt_action(start_ccb);
3522 		break;
3523 	}
3524 	case DA_STATE_PROBE_RC:
3525 	{
3526 		struct scsi_read_capacity_data *rcap;
3527 
3528 		rcap = (struct scsi_read_capacity_data *)
3529 		    malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO);
3530 		if (rcap == NULL) {
3531 			printf("dastart: Couldn't malloc read_capacity data\n");
3532 			/* da_free_periph??? */
3533 			break;
3534 		}
3535 		scsi_read_capacity(&start_ccb->csio,
3536 				   /*retries*/da_retry_count,
3537 				   dadone_proberc,
3538 				   MSG_SIMPLE_Q_TAG,
3539 				   rcap,
3540 				   SSD_FULL_SIZE,
3541 				   /*timeout*/5000);
3542 		start_ccb->ccb_h.ccb_bp = NULL;
3543 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC;
3544 		xpt_action(start_ccb);
3545 		break;
3546 	}
3547 	case DA_STATE_PROBE_RC16:
3548 	{
3549 		struct scsi_read_capacity_data_long *rcaplong;
3550 
3551 		rcaplong = (struct scsi_read_capacity_data_long *)
3552 			malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO);
3553 		if (rcaplong == NULL) {
3554 			printf("dastart: Couldn't malloc read_capacity data\n");
3555 			/* da_free_periph??? */
3556 			break;
3557 		}
3558 		scsi_read_capacity_16(&start_ccb->csio,
3559 				      /*retries*/ da_retry_count,
3560 				      /*cbfcnp*/ dadone_proberc,
3561 				      /*tag_action*/ MSG_SIMPLE_Q_TAG,
3562 				      /*lba*/ 0,
3563 				      /*reladr*/ 0,
3564 				      /*pmi*/ 0,
3565 				      /*rcap_buf*/ (uint8_t *)rcaplong,
3566 				      /*rcap_buf_len*/ sizeof(*rcaplong),
3567 				      /*sense_len*/ SSD_FULL_SIZE,
3568 				      /*timeout*/ da_default_timeout * 1000);
3569 		start_ccb->ccb_h.ccb_bp = NULL;
3570 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16;
3571 		xpt_action(start_ccb);
3572 		break;
3573 	}
3574 	case DA_STATE_PROBE_LBP:
3575 	{
3576 		struct scsi_vpd_logical_block_prov *lbp;
3577 
3578 		if (!scsi_vpd_supported_page(periph, SVPD_LBP)) {
3579 			/*
3580 			 * If we get here we don't support any SBC-3 delete
3581 			 * methods with UNMAP as the Logical Block Provisioning
3582 			 * VPD page support is required for devices which
3583 			 * support it according to T10/1799-D Revision 31
3584 			 * however older revisions of the spec don't mandate
3585 			 * this so we currently don't remove these methods
3586 			 * from the available set.
3587 			 */
3588 			softc->state = DA_STATE_PROBE_BLK_LIMITS;
3589 			goto skipstate;
3590 		}
3591 
3592 		lbp = (struct scsi_vpd_logical_block_prov *)
3593 			malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO);
3594 
3595 		if (lbp == NULL) {
3596 			printf("dastart: Couldn't malloc lbp data\n");
3597 			/* da_free_periph??? */
3598 			break;
3599 		}
3600 
3601 		scsi_inquiry(&start_ccb->csio,
3602 			     /*retries*/da_retry_count,
3603 			     /*cbfcnp*/dadone_probelbp,
3604 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3605 			     /*inq_buf*/(uint8_t *)lbp,
3606 			     /*inq_len*/sizeof(*lbp),
3607 			     /*evpd*/TRUE,
3608 			     /*page_code*/SVPD_LBP,
3609 			     /*sense_len*/SSD_MIN_SIZE,
3610 			     /*timeout*/da_default_timeout * 1000);
3611 		start_ccb->ccb_h.ccb_bp = NULL;
3612 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP;
3613 		xpt_action(start_ccb);
3614 		break;
3615 	}
3616 	case DA_STATE_PROBE_BLK_LIMITS:
3617 	{
3618 		struct scsi_vpd_block_limits *block_limits;
3619 
3620 		if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) {
3621 			/* Not supported skip to next probe */
3622 			softc->state = DA_STATE_PROBE_BDC;
3623 			goto skipstate;
3624 		}
3625 
3626 		block_limits = (struct scsi_vpd_block_limits *)
3627 			malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO);
3628 
3629 		if (block_limits == NULL) {
3630 			printf("dastart: Couldn't malloc block_limits data\n");
3631 			/* da_free_periph??? */
3632 			break;
3633 		}
3634 
3635 		scsi_inquiry(&start_ccb->csio,
3636 			     /*retries*/da_retry_count,
3637 			     /*cbfcnp*/dadone_probeblklimits,
3638 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3639 			     /*inq_buf*/(uint8_t *)block_limits,
3640 			     /*inq_len*/sizeof(*block_limits),
3641 			     /*evpd*/TRUE,
3642 			     /*page_code*/SVPD_BLOCK_LIMITS,
3643 			     /*sense_len*/SSD_MIN_SIZE,
3644 			     /*timeout*/da_default_timeout * 1000);
3645 		start_ccb->ccb_h.ccb_bp = NULL;
3646 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS;
3647 		xpt_action(start_ccb);
3648 		break;
3649 	}
3650 	case DA_STATE_PROBE_BDC:
3651 	{
3652 		struct scsi_vpd_block_device_characteristics *bdc;
3653 
3654 		if (!scsi_vpd_supported_page(periph, SVPD_BDC)) {
3655 			softc->state = DA_STATE_PROBE_ATA;
3656 			goto skipstate;
3657 		}
3658 
3659 		bdc = (struct scsi_vpd_block_device_characteristics *)
3660 			malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
3661 
3662 		if (bdc == NULL) {
3663 			printf("dastart: Couldn't malloc bdc data\n");
3664 			/* da_free_periph??? */
3665 			break;
3666 		}
3667 
3668 		scsi_inquiry(&start_ccb->csio,
3669 			     /*retries*/da_retry_count,
3670 			     /*cbfcnp*/dadone_probebdc,
3671 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3672 			     /*inq_buf*/(uint8_t *)bdc,
3673 			     /*inq_len*/sizeof(*bdc),
3674 			     /*evpd*/TRUE,
3675 			     /*page_code*/SVPD_BDC,
3676 			     /*sense_len*/SSD_MIN_SIZE,
3677 			     /*timeout*/da_default_timeout * 1000);
3678 		start_ccb->ccb_h.ccb_bp = NULL;
3679 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC;
3680 		xpt_action(start_ccb);
3681 		break;
3682 	}
3683 	case DA_STATE_PROBE_ATA:
3684 	{
3685 		struct ata_params *ata_params;
3686 
3687 		if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
3688 			if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
3689 			 || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
3690 				/*
3691 				 * Note that if the ATA VPD page isn't
3692 				 * supported, we aren't talking to an ATA
3693 				 * device anyway.  Support for that VPD
3694 				 * page is mandatory for SCSI to ATA (SAT)
3695 				 * translation layers.
3696 				 */
3697 				softc->state = DA_STATE_PROBE_ZONE;
3698 				goto skipstate;
3699 			}
3700 			daprobedone(periph, start_ccb);
3701 			break;
3702 		}
3703 
3704 		ata_params = &periph->path->device->ident_data;
3705 
3706 		scsi_ata_identify(&start_ccb->csio,
3707 				  /*retries*/da_retry_count,
3708 				  /*cbfcnp*/dadone_probeata,
3709                                   /*tag_action*/MSG_SIMPLE_Q_TAG,
3710 				  /*data_ptr*/(uint8_t *)ata_params,
3711 				  /*dxfer_len*/sizeof(*ata_params),
3712 				  /*sense_len*/SSD_FULL_SIZE,
3713 				  /*timeout*/da_default_timeout * 1000);
3714 		start_ccb->ccb_h.ccb_bp = NULL;
3715 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA;
3716 		xpt_action(start_ccb);
3717 		break;
3718 	}
3719 	case DA_STATE_PROBE_ATA_LOGDIR:
3720 	{
3721 		struct ata_gp_log_dir *log_dir;
3722 		int retval;
3723 
3724 		retval = 0;
3725 
3726 		if ((softc->flags & DA_FLAG_CAN_ATA_LOG) == 0) {
3727 			/*
3728 			 * If we don't have log support, not much point in
3729 			 * trying to probe zone support.
3730 			 */
3731 			daprobedone(periph, start_ccb);
3732 			break;
3733 		}
3734 
3735 		/*
3736 		 * If we have an ATA device (the SCSI ATA Information VPD
3737 		 * page should be present and the ATA identify should have
3738 		 * succeeded) and it supports logs, ask for the log directory.
3739 		 */
3740 
3741 		log_dir = malloc(sizeof(*log_dir), M_SCSIDA, M_NOWAIT|M_ZERO);
3742 		if (log_dir == NULL) {
3743 			xpt_print(periph->path, "Couldn't malloc log_dir "
3744 			    "data\n");
3745 			daprobedone(periph, start_ccb);
3746 			break;
3747 		}
3748 
3749 		retval = scsi_ata_read_log(&start_ccb->csio,
3750 		    /*retries*/ da_retry_count,
3751 		    /*cbfcnp*/ dadone_probeatalogdir,
3752 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3753 		    /*log_address*/ ATA_LOG_DIRECTORY,
3754 		    /*page_number*/ 0,
3755 		    /*block_count*/ 1,
3756 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3757 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3758 		    /*data_ptr*/ (uint8_t *)log_dir,
3759 		    /*dxfer_len*/ sizeof(*log_dir),
3760 		    /*sense_len*/ SSD_FULL_SIZE,
3761 		    /*timeout*/ da_default_timeout * 1000);
3762 
3763 		if (retval != 0) {
3764 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3765 			free(log_dir, M_SCSIDA);
3766 			daprobedone(periph, start_ccb);
3767 			break;
3768 		}
3769 		start_ccb->ccb_h.ccb_bp = NULL;
3770 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_LOGDIR;
3771 		xpt_action(start_ccb);
3772 		break;
3773 	}
3774 	case DA_STATE_PROBE_ATA_IDDIR:
3775 	{
3776 		struct ata_identify_log_pages *id_dir;
3777 		int retval;
3778 
3779 		retval = 0;
3780 
3781 		/*
3782 		 * Check here to see whether the Identify Device log is
3783 		 * supported in the directory of logs.  If so, continue
3784 		 * with requesting the log of identify device pages.
3785 		 */
3786 		if ((softc->flags & DA_FLAG_CAN_ATA_IDLOG) == 0) {
3787 			daprobedone(periph, start_ccb);
3788 			break;
3789 		}
3790 
3791 		id_dir = malloc(sizeof(*id_dir), M_SCSIDA, M_NOWAIT | M_ZERO);
3792 		if (id_dir == NULL) {
3793 			xpt_print(periph->path, "Couldn't malloc id_dir "
3794 			    "data\n");
3795 			daprobedone(periph, start_ccb);
3796 			break;
3797 		}
3798 
3799 		retval = scsi_ata_read_log(&start_ccb->csio,
3800 		    /*retries*/ da_retry_count,
3801 		    /*cbfcnp*/ dadone_probeataiddir,
3802 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3803 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3804 		    /*page_number*/ ATA_IDL_PAGE_LIST,
3805 		    /*block_count*/ 1,
3806 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3807 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3808 		    /*data_ptr*/ (uint8_t *)id_dir,
3809 		    /*dxfer_len*/ sizeof(*id_dir),
3810 		    /*sense_len*/ SSD_FULL_SIZE,
3811 		    /*timeout*/ da_default_timeout * 1000);
3812 
3813 		if (retval != 0) {
3814 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3815 			free(id_dir, M_SCSIDA);
3816 			daprobedone(periph, start_ccb);
3817 			break;
3818 		}
3819 		start_ccb->ccb_h.ccb_bp = NULL;
3820 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_IDDIR;
3821 		xpt_action(start_ccb);
3822 		break;
3823 	}
3824 	case DA_STATE_PROBE_ATA_SUP:
3825 	{
3826 		struct ata_identify_log_sup_cap *sup_cap;
3827 		int retval;
3828 
3829 		retval = 0;
3830 
3831 		/*
3832 		 * Check here to see whether the Supported Capabilities log
3833 		 * is in the list of Identify Device logs.
3834 		 */
3835 		if ((softc->flags & DA_FLAG_CAN_ATA_SUPCAP) == 0) {
3836 			daprobedone(periph, start_ccb);
3837 			break;
3838 		}
3839 
3840 		sup_cap = malloc(sizeof(*sup_cap), M_SCSIDA, M_NOWAIT|M_ZERO);
3841 		if (sup_cap == NULL) {
3842 			xpt_print(periph->path, "Couldn't malloc sup_cap "
3843 			    "data\n");
3844 			daprobedone(periph, start_ccb);
3845 			break;
3846 		}
3847 
3848 		retval = scsi_ata_read_log(&start_ccb->csio,
3849 		    /*retries*/ da_retry_count,
3850 		    /*cbfcnp*/ dadone_probeatasup,
3851 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3852 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3853 		    /*page_number*/ ATA_IDL_SUP_CAP,
3854 		    /*block_count*/ 1,
3855 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3856 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3857 		    /*data_ptr*/ (uint8_t *)sup_cap,
3858 		    /*dxfer_len*/ sizeof(*sup_cap),
3859 		    /*sense_len*/ SSD_FULL_SIZE,
3860 		    /*timeout*/ da_default_timeout * 1000);
3861 
3862 		if (retval != 0) {
3863 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3864 			free(sup_cap, M_SCSIDA);
3865 			daprobedone(periph, start_ccb);
3866 			break;
3867 		}
3868 
3869 		start_ccb->ccb_h.ccb_bp = NULL;
3870 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_SUP;
3871 		xpt_action(start_ccb);
3872 		break;
3873 	}
3874 	case DA_STATE_PROBE_ATA_ZONE:
3875 	{
3876 		struct ata_zoned_info_log *ata_zone;
3877 		int retval;
3878 
3879 		retval = 0;
3880 
3881 		/*
3882 		 * Check here to see whether the zoned device information
3883 		 * page is supported.  If so, continue on to request it.
3884 		 * If not, skip to DA_STATE_PROBE_LOG or done.
3885 		 */
3886 		if ((softc->flags & DA_FLAG_CAN_ATA_ZONE) == 0) {
3887 			daprobedone(periph, start_ccb);
3888 			break;
3889 		}
3890 		ata_zone = malloc(sizeof(*ata_zone), M_SCSIDA,
3891 				  M_NOWAIT|M_ZERO);
3892 		if (ata_zone == NULL) {
3893 			xpt_print(periph->path, "Couldn't malloc ata_zone "
3894 			    "data\n");
3895 			daprobedone(periph, start_ccb);
3896 			break;
3897 		}
3898 
3899 		retval = scsi_ata_read_log(&start_ccb->csio,
3900 		    /*retries*/ da_retry_count,
3901 		    /*cbfcnp*/ dadone_probeatazone,
3902 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3903 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3904 		    /*page_number*/ ATA_IDL_ZDI,
3905 		    /*block_count*/ 1,
3906 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3907 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3908 		    /*data_ptr*/ (uint8_t *)ata_zone,
3909 		    /*dxfer_len*/ sizeof(*ata_zone),
3910 		    /*sense_len*/ SSD_FULL_SIZE,
3911 		    /*timeout*/ da_default_timeout * 1000);
3912 
3913 		if (retval != 0) {
3914 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3915 			free(ata_zone, M_SCSIDA);
3916 			daprobedone(periph, start_ccb);
3917 			break;
3918 		}
3919 		start_ccb->ccb_h.ccb_bp = NULL;
3920 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_ZONE;
3921 		xpt_action(start_ccb);
3922 
3923 		break;
3924 	}
3925 	case DA_STATE_PROBE_ZONE:
3926 	{
3927 		struct scsi_vpd_zoned_bdc *bdc;
3928 
3929 		/*
3930 		 * Note that this page will be supported for SCSI protocol
3931 		 * devices that support ZBC (SMR devices), as well as ATA
3932 		 * protocol devices that are behind a SAT (SCSI to ATA
3933 		 * Translation) layer that supports converting ZBC commands
3934 		 * to their ZAC equivalents.
3935 		 */
3936 		if (!scsi_vpd_supported_page(periph, SVPD_ZONED_BDC)) {
3937 			daprobedone(periph, start_ccb);
3938 			break;
3939 		}
3940 		bdc = (struct scsi_vpd_zoned_bdc *)
3941 			malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
3942 
3943 		if (bdc == NULL) {
3944 			xpt_release_ccb(start_ccb);
3945 			xpt_print(periph->path, "Couldn't malloc zone VPD "
3946 			    "data\n");
3947 			break;
3948 		}
3949 		scsi_inquiry(&start_ccb->csio,
3950 			     /*retries*/da_retry_count,
3951 			     /*cbfcnp*/dadone_probezone,
3952 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3953 			     /*inq_buf*/(uint8_t *)bdc,
3954 			     /*inq_len*/sizeof(*bdc),
3955 			     /*evpd*/TRUE,
3956 			     /*page_code*/SVPD_ZONED_BDC,
3957 			     /*sense_len*/SSD_FULL_SIZE,
3958 			     /*timeout*/da_default_timeout * 1000);
3959 		start_ccb->ccb_h.ccb_bp = NULL;
3960 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ZONE;
3961 		xpt_action(start_ccb);
3962 		break;
3963 	}
3964 	}
3965 }
3966 
3967 /*
3968  * In each of the methods below, while its the caller's
3969  * responsibility to ensure the request will fit into a
3970  * single device request, we might have changed the delete
3971  * method due to the device incorrectly advertising either
3972  * its supported methods or limits.
3973  *
3974  * To prevent this causing further issues we validate the
3975  * against the methods limits, and warn which would
3976  * otherwise be unnecessary.
3977  */
3978 static void
3979 da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
3980 {
3981 	struct da_softc *softc = (struct da_softc *)periph->softc;
3982 	struct bio *bp1;
3983 	uint8_t *buf = softc->unmap_buf;
3984 	struct scsi_unmap_desc *d = (void *)&buf[UNMAP_HEAD_SIZE];
3985 	uint64_t lba, lastlba = (uint64_t)-1;
3986 	uint64_t totalcount = 0;
3987 	uint64_t count;
3988 	uint32_t c, lastcount = 0, ranges = 0;
3989 
3990 	/*
3991 	 * Currently this doesn't take the UNMAP
3992 	 * Granularity and Granularity Alignment
3993 	 * fields into account.
3994 	 *
3995 	 * This could result in both unoptimal unmap
3996 	 * requests as as well as UNMAP calls unmapping
3997 	 * fewer LBA's than requested.
3998 	 */
3999 
4000 	bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
4001 	bp1 = bp;
4002 	do {
4003 		/*
4004 		 * Note: ada and da are different in how they store the
4005 		 * pending bp's in a trim. ada stores all of them in the
4006 		 * trim_req.bps. da stores all but the first one in the
4007 		 * delete_run_queue. ada then completes all the bps in
4008 		 * its adadone() loop. da completes all the bps in the
4009 		 * delete_run_queue in dadone, and relies on the biodone
4010 		 * after to complete. This should be reconciled since there's
4011 		 * no real reason to do it differently. XXX
4012 		 */
4013 		if (bp1 != bp)
4014 			bioq_insert_tail(&softc->delete_run_queue, bp1);
4015 		lba = bp1->bio_pblkno;
4016 		count = bp1->bio_bcount / softc->params.secsize;
4017 
4018 		/* Try to extend the previous range. */
4019 		if (lba == lastlba) {
4020 			c = omin(count, UNMAP_RANGE_MAX - lastcount);
4021 			lastlba += c;
4022 			lastcount += c;
4023 			scsi_ulto4b(lastcount, d[ranges - 1].length);
4024 			count -= c;
4025 			lba += c;
4026 			totalcount += c;
4027 		} else if ((softc->quirks & DA_Q_STRICT_UNMAP) &&
4028 		    softc->unmap_gran != 0) {
4029 			/* Align length of the previous range. */
4030 			if ((c = lastcount % softc->unmap_gran) != 0) {
4031 				if (lastcount <= c) {
4032 					totalcount -= lastcount;
4033 					lastlba = (uint64_t)-1;
4034 					lastcount = 0;
4035 					ranges--;
4036 				} else {
4037 					totalcount -= c;
4038 					lastlba -= c;
4039 					lastcount -= c;
4040 					scsi_ulto4b(lastcount,
4041 					    d[ranges - 1].length);
4042 				}
4043 			}
4044 			/* Align beginning of the new range. */
4045 			c = (lba - softc->unmap_gran_align) % softc->unmap_gran;
4046 			if (c != 0) {
4047 				c = softc->unmap_gran - c;
4048 				if (count <= c) {
4049 					count = 0;
4050 				} else {
4051 					lba += c;
4052 					count -= c;
4053 				}
4054 			}
4055 		}
4056 
4057 		while (count > 0) {
4058 			c = omin(count, UNMAP_RANGE_MAX);
4059 			if (totalcount + c > softc->unmap_max_lba ||
4060 			    ranges >= softc->unmap_max_ranges) {
4061 				xpt_print(periph->path,
4062 				    "%s issuing short delete %ld > %ld"
4063 				    "|| %d >= %d",
4064 				    da_delete_method_desc[softc->delete_method],
4065 				    totalcount + c, softc->unmap_max_lba,
4066 				    ranges, softc->unmap_max_ranges);
4067 				break;
4068 			}
4069 			scsi_u64to8b(lba, d[ranges].lba);
4070 			scsi_ulto4b(c, d[ranges].length);
4071 			lba += c;
4072 			totalcount += c;
4073 			ranges++;
4074 			count -= c;
4075 			lastlba = lba;
4076 			lastcount = c;
4077 		}
4078 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
4079 		if (bp1 == NULL)
4080 			break;
4081 		if (ranges >= softc->unmap_max_ranges ||
4082 		    totalcount + bp1->bio_bcount /
4083 		    softc->params.secsize > softc->unmap_max_lba) {
4084 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
4085 			break;
4086 		}
4087 	} while (1);
4088 
4089 	/* Align length of the last range. */
4090 	if ((softc->quirks & DA_Q_STRICT_UNMAP) && softc->unmap_gran != 0 &&
4091 	    (c = lastcount % softc->unmap_gran) != 0) {
4092 		if (lastcount <= c)
4093 			ranges--;
4094 		else
4095 			scsi_ulto4b(lastcount - c, d[ranges - 1].length);
4096 	}
4097 
4098 	scsi_ulto2b(ranges * 16 + 6, &buf[0]);
4099 	scsi_ulto2b(ranges * 16, &buf[2]);
4100 
4101 	scsi_unmap(&ccb->csio,
4102 		   /*retries*/da_retry_count,
4103 		   /*cbfcnp*/dadone,
4104 		   /*tag_action*/MSG_SIMPLE_Q_TAG,
4105 		   /*byte2*/0,
4106 		   /*data_ptr*/ buf,
4107 		   /*dxfer_len*/ ranges * 16 + 8,
4108 		   /*sense_len*/SSD_FULL_SIZE,
4109 		   da_default_timeout * 1000);
4110 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4111 	ccb->ccb_h.flags |= CAM_UNLOCKED;
4112 	softc->trim_count++;
4113 	softc->trim_ranges += ranges;
4114 	softc->trim_lbas += totalcount;
4115 	cam_iosched_submit_trim(softc->cam_iosched);
4116 }
4117 
4118 static void
4119 da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
4120 {
4121 	struct da_softc *softc = (struct da_softc *)periph->softc;
4122 	struct bio *bp1;
4123 	uint8_t *buf = softc->unmap_buf;
4124 	uint64_t lastlba = (uint64_t)-1;
4125 	uint64_t count;
4126 	uint64_t lba;
4127 	uint32_t lastcount = 0, c, requestcount;
4128 	int ranges = 0, off, block_count;
4129 
4130 	bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
4131 	bp1 = bp;
4132 	do {
4133 		if (bp1 != bp)//XXX imp XXX
4134 			bioq_insert_tail(&softc->delete_run_queue, bp1);
4135 		lba = bp1->bio_pblkno;
4136 		count = bp1->bio_bcount / softc->params.secsize;
4137 		requestcount = count;
4138 
4139 		/* Try to extend the previous range. */
4140 		if (lba == lastlba) {
4141 			c = omin(count, ATA_DSM_RANGE_MAX - lastcount);
4142 			lastcount += c;
4143 			off = (ranges - 1) * 8;
4144 			buf[off + 6] = lastcount & 0xff;
4145 			buf[off + 7] = (lastcount >> 8) & 0xff;
4146 			count -= c;
4147 			lba += c;
4148 		}
4149 
4150 		while (count > 0) {
4151 			c = omin(count, ATA_DSM_RANGE_MAX);
4152 			off = ranges * 8;
4153 
4154 			buf[off + 0] = lba & 0xff;
4155 			buf[off + 1] = (lba >> 8) & 0xff;
4156 			buf[off + 2] = (lba >> 16) & 0xff;
4157 			buf[off + 3] = (lba >> 24) & 0xff;
4158 			buf[off + 4] = (lba >> 32) & 0xff;
4159 			buf[off + 5] = (lba >> 40) & 0xff;
4160 			buf[off + 6] = c & 0xff;
4161 			buf[off + 7] = (c >> 8) & 0xff;
4162 			lba += c;
4163 			ranges++;
4164 			count -= c;
4165 			lastcount = c;
4166 			if (count != 0 && ranges == softc->trim_max_ranges) {
4167 				xpt_print(periph->path,
4168 				    "%s issuing short delete %ld > %ld\n",
4169 				    da_delete_method_desc[softc->delete_method],
4170 				    requestcount,
4171 				    (softc->trim_max_ranges - ranges) *
4172 				    ATA_DSM_RANGE_MAX);
4173 				break;
4174 			}
4175 		}
4176 		lastlba = lba;
4177 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
4178 		if (bp1 == NULL)
4179 			break;
4180 		if (bp1->bio_bcount / softc->params.secsize >
4181 		    (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) {
4182 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
4183 			break;
4184 		}
4185 	} while (1);
4186 
4187 	block_count = howmany(ranges, ATA_DSM_BLK_RANGES);
4188 	scsi_ata_trim(&ccb->csio,
4189 		      /*retries*/da_retry_count,
4190 		      /*cbfcnp*/dadone,
4191 		      /*tag_action*/MSG_SIMPLE_Q_TAG,
4192 		      block_count,
4193 		      /*data_ptr*/buf,
4194 		      /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE,
4195 		      /*sense_len*/SSD_FULL_SIZE,
4196 		      da_default_timeout * 1000);
4197 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4198 	ccb->ccb_h.flags |= CAM_UNLOCKED;
4199 	cam_iosched_submit_trim(softc->cam_iosched);
4200 }
4201 
4202 /*
4203  * We calculate ws_max_blks here based off d_delmaxsize instead
4204  * of using softc->ws_max_blks as it is absolute max for the
4205  * device not the protocol max which may well be lower.
4206  */
4207 static void
4208 da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
4209 {
4210 	struct da_softc *softc;
4211 	struct bio *bp1;
4212 	uint64_t ws_max_blks;
4213 	uint64_t lba;
4214 	uint64_t count; /* forward compat with WS32 */
4215 
4216 	softc = (struct da_softc *)periph->softc;
4217 	ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize;
4218 	lba = bp->bio_pblkno;
4219 	count = 0;
4220 	bp1 = bp;
4221 	do {
4222 		if (bp1 != bp)//XXX imp XXX
4223 			bioq_insert_tail(&softc->delete_run_queue, bp1);
4224 		count += bp1->bio_bcount / softc->params.secsize;
4225 		if (count > ws_max_blks) {
4226 			xpt_print(periph->path,
4227 			    "%s issuing short delete %ld > %ld\n",
4228 			    da_delete_method_desc[softc->delete_method],
4229 			    count, ws_max_blks);
4230 			count = omin(count, ws_max_blks);
4231 			break;
4232 		}
4233 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
4234 		if (bp1 == NULL)
4235 			break;
4236 		if (lba + count != bp1->bio_pblkno ||
4237 		    count + bp1->bio_bcount /
4238 		    softc->params.secsize > ws_max_blks) {
4239 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
4240 			break;
4241 		}
4242 	} while (1);
4243 
4244 	scsi_write_same(&ccb->csio,
4245 			/*retries*/da_retry_count,
4246 			/*cbfcnp*/dadone,
4247 			/*tag_action*/MSG_SIMPLE_Q_TAG,
4248 			/*byte2*/softc->delete_method ==
4249 			    DA_DELETE_ZERO ? 0 : SWS_UNMAP,
4250 			softc->delete_method == DA_DELETE_WS16 ? 16 : 10,
4251 			/*lba*/lba,
4252 			/*block_count*/count,
4253 			/*data_ptr*/ __DECONST(void *, zero_region),
4254 			/*dxfer_len*/ softc->params.secsize,
4255 			/*sense_len*/SSD_FULL_SIZE,
4256 			da_default_timeout * 1000);
4257 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4258 	ccb->ccb_h.flags |= CAM_UNLOCKED;
4259 	cam_iosched_submit_trim(softc->cam_iosched);
4260 }
4261 
4262 static int
4263 cmd6workaround(union ccb *ccb)
4264 {
4265 	struct scsi_rw_6 cmd6;
4266 	struct scsi_rw_10 *cmd10;
4267 	struct da_softc *softc;
4268 	uint8_t *cdb;
4269 	struct bio *bp;
4270 	int frozen;
4271 
4272 	cdb = ccb->csio.cdb_io.cdb_bytes;
4273 	softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
4274 
4275 	if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) {
4276 		da_delete_methods old_method = softc->delete_method;
4277 
4278 		/*
4279 		 * Typically there are two reasons for failure here
4280 		 * 1. Delete method was detected as supported but isn't
4281 		 * 2. Delete failed due to invalid params e.g. too big
4282 		 *
4283 		 * While we will attempt to choose an alternative delete method
4284 		 * this may result in short deletes if the existing delete
4285 		 * requests from geom are big for the new method chosen.
4286 		 *
4287 		 * This method assumes that the error which triggered this
4288 		 * will not retry the io otherwise a panic will occur
4289 		 */
4290 		dadeleteflag(softc, old_method, 0);
4291 		dadeletemethodchoose(softc, DA_DELETE_DISABLE);
4292 		if (softc->delete_method == DA_DELETE_DISABLE)
4293 			xpt_print(ccb->ccb_h.path,
4294 				  "%s failed, disabling BIO_DELETE\n",
4295 				  da_delete_method_desc[old_method]);
4296 		else
4297 			xpt_print(ccb->ccb_h.path,
4298 				  "%s failed, switching to %s BIO_DELETE\n",
4299 				  da_delete_method_desc[old_method],
4300 				  da_delete_method_desc[softc->delete_method]);
4301 
4302 		while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL)
4303 			cam_iosched_queue_work(softc->cam_iosched, bp);
4304 		cam_iosched_queue_work(softc->cam_iosched,
4305 		    (struct bio *)ccb->ccb_h.ccb_bp);
4306 		ccb->ccb_h.ccb_bp = NULL;
4307 		return (0);
4308 	}
4309 
4310 	/* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */
4311 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
4312 	    (*cdb == PREVENT_ALLOW) &&
4313 	    (softc->quirks & DA_Q_NO_PREVENT) == 0) {
4314 		if (bootverbose)
4315 			xpt_print(ccb->ccb_h.path,
4316 			    "PREVENT ALLOW MEDIUM REMOVAL not supported.\n");
4317 		softc->quirks |= DA_Q_NO_PREVENT;
4318 		return (0);
4319 	}
4320 
4321 	/* Detect unsupported SYNCHRONIZE CACHE(10). */
4322 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
4323 	    (*cdb == SYNCHRONIZE_CACHE) &&
4324 	    (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
4325 		if (bootverbose)
4326 			xpt_print(ccb->ccb_h.path,
4327 			    "SYNCHRONIZE CACHE(10) not supported.\n");
4328 		softc->quirks |= DA_Q_NO_SYNC_CACHE;
4329 		softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE;
4330 		return (0);
4331 	}
4332 
4333 	/* Translation only possible if CDB is an array and cmd is R/W6 */
4334 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
4335 	    (*cdb != READ_6 && *cdb != WRITE_6))
4336 		return 0;
4337 
4338 	xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, "
4339 	    "increasing minimum_cmd_size to 10.\n");
4340 	softc->minimum_cmd_size = 10;
4341 
4342 	bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
4343 	cmd10 = (struct scsi_rw_10 *)cdb;
4344 	cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
4345 	cmd10->byte2 = 0;
4346 	scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
4347 	cmd10->reserved = 0;
4348 	scsi_ulto2b(cmd6.length, cmd10->length);
4349 	cmd10->control = cmd6.control;
4350 	ccb->csio.cdb_len = sizeof(*cmd10);
4351 
4352 	/* Requeue request, unfreezing queue if necessary */
4353 	frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
4354 	ccb->ccb_h.status = CAM_REQUEUE_REQ;
4355 	xpt_action(ccb);
4356 	if (frozen) {
4357 		cam_release_devq(ccb->ccb_h.path,
4358 				 /*relsim_flags*/0,
4359 				 /*reduction*/0,
4360 				 /*timeout*/0,
4361 				 /*getcount_only*/0);
4362 	}
4363 	return (ERESTART);
4364 }
4365 
4366 static void
4367 dazonedone(struct cam_periph *periph, union ccb *ccb)
4368 {
4369 	struct da_softc *softc;
4370 	struct bio *bp;
4371 
4372 	softc = periph->softc;
4373 	bp = (struct bio *)ccb->ccb_h.ccb_bp;
4374 
4375 	switch (bp->bio_zone.zone_cmd) {
4376 	case DISK_ZONE_OPEN:
4377 	case DISK_ZONE_CLOSE:
4378 	case DISK_ZONE_FINISH:
4379 	case DISK_ZONE_RWP:
4380 		break;
4381 	case DISK_ZONE_REPORT_ZONES: {
4382 		uint32_t avail_len;
4383 		struct disk_zone_report *rep;
4384 		struct scsi_report_zones_hdr *hdr;
4385 		struct scsi_report_zones_desc *desc;
4386 		struct disk_zone_rep_entry *entry;
4387 		uint32_t hdr_len, num_avail;
4388 		uint32_t num_to_fill, i;
4389 		int ata;
4390 
4391 		rep = &bp->bio_zone.zone_params.report;
4392 		avail_len = ccb->csio.dxfer_len - ccb->csio.resid;
4393 		/*
4394 		 * Note that bio_resid isn't normally used for zone
4395 		 * commands, but it is used by devstat_end_transaction_bio()
4396 		 * to determine how much data was transferred.  Because
4397 		 * the size of the SCSI/ATA data structures is different
4398 		 * than the size of the BIO interface structures, the
4399 		 * amount of data actually transferred from the drive will
4400 		 * be different than the amount of data transferred to
4401 		 * the user.
4402 		 */
4403 		bp->bio_resid = ccb->csio.resid;
4404 		hdr = (struct scsi_report_zones_hdr *)ccb->csio.data_ptr;
4405 		if (avail_len < sizeof(*hdr)) {
4406 			/*
4407 			 * Is there a better error than EIO here?  We asked
4408 			 * for at least the header, and we got less than
4409 			 * that.
4410 			 */
4411 			bp->bio_error = EIO;
4412 			bp->bio_flags |= BIO_ERROR;
4413 			bp->bio_resid = bp->bio_bcount;
4414 			break;
4415 		}
4416 
4417 		if (softc->zone_interface == DA_ZONE_IF_ATA_PASS)
4418 			ata = 1;
4419 		else
4420 			ata = 0;
4421 
4422 		hdr_len = ata ? le32dec(hdr->length) :
4423 				scsi_4btoul(hdr->length);
4424 		if (hdr_len > 0)
4425 			rep->entries_available = hdr_len / sizeof(*desc);
4426 		else
4427 			rep->entries_available = 0;
4428 		/*
4429 		 * NOTE: using the same values for the BIO version of the
4430 		 * same field as the SCSI/ATA values.  This means we could
4431 		 * get some additional values that aren't defined in bio.h
4432 		 * if more values of the same field are defined later.
4433 		 */
4434 		rep->header.same = hdr->byte4 & SRZ_SAME_MASK;
4435 		rep->header.maximum_lba = ata ?  le64dec(hdr->maximum_lba) :
4436 					  scsi_8btou64(hdr->maximum_lba);
4437 		/*
4438 		 * If the drive reports no entries that match the query,
4439 		 * we're done.
4440 		 */
4441 		if (hdr_len == 0) {
4442 			rep->entries_filled = 0;
4443 			break;
4444 		}
4445 
4446 		num_avail = min((avail_len - sizeof(*hdr)) / sizeof(*desc),
4447 				hdr_len / sizeof(*desc));
4448 		/*
4449 		 * If the drive didn't return any data, then we're done.
4450 		 */
4451 		if (num_avail == 0) {
4452 			rep->entries_filled = 0;
4453 			break;
4454 		}
4455 
4456 		num_to_fill = min(num_avail, rep->entries_allocated);
4457 		/*
4458 		 * If the user didn't allocate any entries for us to fill,
4459 		 * we're done.
4460 		 */
4461 		if (num_to_fill == 0) {
4462 			rep->entries_filled = 0;
4463 			break;
4464 		}
4465 
4466 		for (i = 0, desc = &hdr->desc_list[0], entry=&rep->entries[0];
4467 		     i < num_to_fill; i++, desc++, entry++) {
4468 			/*
4469 			 * NOTE: we're mapping the values here directly
4470 			 * from the SCSI/ATA bit definitions to the bio.h
4471 			 * definitions. There is also a warning in
4472 			 * disk_zone.h, but the impact is that if
4473 			 * additional values are added in the SCSI/ATA
4474 			 * specs these will be visible to consumers of
4475 			 * this interface.
4476 			 */
4477 			entry->zone_type = desc->zone_type & SRZ_TYPE_MASK;
4478 			entry->zone_condition =
4479 			    (desc->zone_flags & SRZ_ZONE_COND_MASK) >>
4480 			    SRZ_ZONE_COND_SHIFT;
4481 			entry->zone_flags |= desc->zone_flags &
4482 			    (SRZ_ZONE_NON_SEQ|SRZ_ZONE_RESET);
4483 			entry->zone_length =
4484 			    ata ? le64dec(desc->zone_length) :
4485 				  scsi_8btou64(desc->zone_length);
4486 			entry->zone_start_lba =
4487 			    ata ? le64dec(desc->zone_start_lba) :
4488 				  scsi_8btou64(desc->zone_start_lba);
4489 			entry->write_pointer_lba =
4490 			    ata ? le64dec(desc->write_pointer_lba) :
4491 				  scsi_8btou64(desc->write_pointer_lba);
4492 		}
4493 		rep->entries_filled = num_to_fill;
4494 		break;
4495 	}
4496 	case DISK_ZONE_GET_PARAMS:
4497 	default:
4498 		/*
4499 		 * In theory we should not get a GET_PARAMS bio, since it
4500 		 * should be handled without queueing the command to the
4501 		 * drive.
4502 		 */
4503 		panic("%s: Invalid zone command %d", __func__,
4504 		    bp->bio_zone.zone_cmd);
4505 		break;
4506 	}
4507 
4508 	if (bp->bio_zone.zone_cmd == DISK_ZONE_REPORT_ZONES)
4509 		free(ccb->csio.data_ptr, M_SCSIDA);
4510 }
4511 
4512 static void
4513 dadone(struct cam_periph *periph, union ccb *done_ccb)
4514 {
4515 	struct bio *bp, *bp1;
4516 	struct da_softc *softc;
4517 	struct ccb_scsiio *csio;
4518 	da_ccb_state state;
4519 
4520 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n"));
4521 
4522 	softc = (struct da_softc *)periph->softc;
4523 	csio = &done_ccb->csio;
4524 
4525 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
4526 	if (csio->bio != NULL)
4527 		biotrack(csio->bio, __func__);
4528 #endif
4529 	state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
4530 
4531 	cam_periph_lock(periph);
4532 	bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
4533 	if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
4534 		int error;
4535 		int sf;
4536 
4537 		if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
4538 			sf = SF_RETRY_UA;
4539 		else
4540 			sf = 0;
4541 
4542 		error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
4543 		if (error == ERESTART) {
4544 			/* A retry was scheduled, so just return. */
4545 			cam_periph_unlock(periph);
4546 			return;
4547 		}
4548 		bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
4549 		if (error != 0) {
4550 			int queued_error;
4551 
4552 			/*
4553 			 * return all queued I/O with EIO, so that
4554 			 * the client can retry these I/Os in the
4555 			 * proper order should it attempt to recover.
4556 			 */
4557 			queued_error = EIO;
4558 
4559 			if (error == ENXIO
4560 			 && (softc->flags & DA_FLAG_PACK_INVALID)== 0) {
4561 				/*
4562 				 * Catastrophic error.  Mark our pack as
4563 				 * invalid.
4564 				 *
4565 				 * XXX See if this is really a media
4566 				 * XXX change first?
4567 				 */
4568 				xpt_print(periph->path, "Invalidating pack\n");
4569 				softc->flags |= DA_FLAG_PACK_INVALID;
4570 #ifdef CAM_IO_STATS
4571 				softc->invalidations++;
4572 #endif
4573 				queued_error = ENXIO;
4574 			}
4575 			cam_iosched_flush(softc->cam_iosched, NULL,
4576 			   queued_error);
4577 			if (bp != NULL) {
4578 				bp->bio_error = error;
4579 				bp->bio_resid = bp->bio_bcount;
4580 				bp->bio_flags |= BIO_ERROR;
4581 			}
4582 		} else if (bp != NULL) {
4583 			if (state == DA_CCB_DELETE)
4584 				bp->bio_resid = 0;
4585 			else
4586 				bp->bio_resid = csio->resid;
4587 			bp->bio_error = 0;
4588 			if (bp->bio_resid != 0)
4589 				bp->bio_flags |= BIO_ERROR;
4590 		}
4591 		if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
4592 			cam_release_devq(done_ccb->ccb_h.path,
4593 					 /*relsim_flags*/0,
4594 					 /*reduction*/0,
4595 					 /*timeout*/0,
4596 					 /*getcount_only*/0);
4597 	} else if (bp != NULL) {
4598 		if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
4599 			panic("REQ_CMP with QFRZN");
4600 		if (bp->bio_cmd == BIO_ZONE)
4601 			dazonedone(periph, done_ccb);
4602 		else if (state == DA_CCB_DELETE)
4603 			bp->bio_resid = 0;
4604 		else
4605 			bp->bio_resid = csio->resid;
4606 		if ((csio->resid > 0) && (bp->bio_cmd != BIO_ZONE))
4607 			bp->bio_flags |= BIO_ERROR;
4608 		if (softc->error_inject != 0) {
4609 			bp->bio_error = softc->error_inject;
4610 			bp->bio_resid = bp->bio_bcount;
4611 			bp->bio_flags |= BIO_ERROR;
4612 			softc->error_inject = 0;
4613 		}
4614 	}
4615 
4616 	if (bp != NULL)
4617 		biotrack(bp, __func__);
4618 	LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
4619 	if (LIST_EMPTY(&softc->pending_ccbs))
4620 		softc->flags |= DA_FLAG_WAS_OTAG;
4621 
4622 	/*
4623 	 * We need to call cam_iosched before we call biodone so that we don't
4624 	 * measure any activity that happens in the completion routine, which in
4625 	 * the case of sendfile can be quite extensive. Release the periph
4626 	 * refcount taken in dastart() for each CCB.
4627 	 */
4628 	cam_iosched_bio_complete(softc->cam_iosched, bp, done_ccb);
4629 	xpt_release_ccb(done_ccb);
4630 	KASSERT(softc->refcount >= 1, ("dadone softc %p refcount %d", softc, softc->refcount));
4631 	softc->refcount--;
4632 	if (state == DA_CCB_DELETE) {
4633 		TAILQ_HEAD(, bio) queue;
4634 
4635 		TAILQ_INIT(&queue);
4636 		TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue);
4637 		softc->delete_run_queue.insert_point = NULL;
4638 		/*
4639 		 * Normally, the xpt_release_ccb() above would make sure
4640 		 * that when we have more work to do, that work would
4641 		 * get kicked off. However, we specifically keep
4642 		 * delete_running set to 0 before the call above to
4643 		 * allow other I/O to progress when many BIO_DELETE
4644 		 * requests are pushed down. We set delete_running to 0
4645 		 * and call daschedule again so that we don't stall if
4646 		 * there are no other I/Os pending apart from BIO_DELETEs.
4647 		 */
4648 		cam_iosched_trim_done(softc->cam_iosched);
4649 		daschedule(periph);
4650 		cam_periph_unlock(periph);
4651 		while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
4652 			TAILQ_REMOVE(&queue, bp1, bio_queue);
4653 			bp1->bio_error = bp->bio_error;
4654 			if (bp->bio_flags & BIO_ERROR) {
4655 				bp1->bio_flags |= BIO_ERROR;
4656 				bp1->bio_resid = bp1->bio_bcount;
4657 			} else
4658 				bp1->bio_resid = 0;
4659 			biodone(bp1);
4660 		}
4661 	} else {
4662 		daschedule(periph);
4663 		cam_periph_unlock(periph);
4664 	}
4665 	if (bp != NULL)
4666 		biodone(bp);
4667 	return;
4668 }
4669 
4670 static void
4671 dadone_probewp(struct cam_periph *periph, union ccb *done_ccb)
4672 {
4673 	struct da_softc *softc;
4674 	struct ccb_scsiio *csio;
4675 	uint32_t  priority;
4676 
4677 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probewp\n"));
4678 
4679 	softc = (struct da_softc *)periph->softc;
4680 	priority = done_ccb->ccb_h.pinfo.priority;
4681 	csio = &done_ccb->csio;
4682 
4683 	cam_periph_assert(periph, MA_OWNED);
4684 
4685 	KASSERT(softc->state == DA_STATE_PROBE_WP,
4686 	    ("State (%d) not PROBE_WP in dadone_probewp, periph %p ccb %p",
4687 		softc->state, periph, done_ccb));
4688         KASSERT((csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) == DA_CCB_PROBE_WP,
4689 	    ("CCB State (%lu) not PROBE_WP in dadone_probewp, periph %p ccb %p",
4690 		(unsigned long)csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK, periph,
4691 		done_ccb));
4692 
4693 	if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) {
4694 		int len, off;
4695 		uint8_t dev_spec;
4696 
4697 		if (csio->cdb_len > 6) {
4698 			struct scsi_mode_header_10 *mh =
4699 			    (struct scsi_mode_header_10 *)csio->data_ptr;
4700 			len = 2 + scsi_2btoul(mh->data_length);
4701 			off = sizeof(*mh) + scsi_2btoul(mh->blk_desc_len);
4702 			dev_spec = mh->dev_spec;
4703 		} else {
4704 			struct scsi_mode_header_6 *mh =
4705 			    (struct scsi_mode_header_6 *)csio->data_ptr;
4706 			len = 1 + mh->data_length;
4707 			off = sizeof(*mh) + mh->blk_desc_len;
4708 			dev_spec = mh->dev_spec;
4709 		}
4710 		if ((dev_spec & 0x80) != 0)
4711 			softc->disk->d_flags |= DISKFLAG_WRITE_PROTECT;
4712 		else
4713 			softc->disk->d_flags &= ~DISKFLAG_WRITE_PROTECT;
4714 
4715 		/* Next time request only the first of returned mode pages. */
4716 		if (off < len && off < csio->dxfer_len - csio->resid)
4717 			softc->mode_page = csio->data_ptr[off] & SMPH_PC_MASK;
4718 	} else {
4719 		int error;
4720 
4721 		error = daerror(done_ccb, CAM_RETRY_SELTO,
4722 				SF_RETRY_UA|SF_NO_PRINT);
4723 		if (error == ERESTART)
4724 			return;
4725 		else if (error != 0) {
4726 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4727 				/* Don't wedge this device's queue */
4728 				cam_release_devq(done_ccb->ccb_h.path,
4729 						 /*relsim_flags*/0,
4730 						 /*reduction*/0,
4731 						 /*timeout*/0,
4732 						 /*getcount_only*/0);
4733 			}
4734 
4735 			/* We don't depend on it, so don't try again. */
4736 			softc->mode_page = -1;
4737 		}
4738 	}
4739 
4740 	free(csio->data_ptr, M_SCSIDA);
4741 	if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
4742 		softc->state = DA_STATE_PROBE_RC16;
4743 	else
4744 		softc->state = DA_STATE_PROBE_RC;
4745 	xpt_release_ccb(done_ccb);
4746 	xpt_schedule(periph, priority);
4747 	return;
4748 }
4749 
4750 static void
4751 dadone_proberc(struct cam_periph *periph, union ccb *done_ccb)
4752 {
4753 	struct scsi_read_capacity_data *rdcap;
4754 	struct scsi_read_capacity_data_long *rcaplong;
4755 	struct da_softc *softc;
4756 	struct ccb_scsiio *csio;
4757 	da_ccb_state state;
4758 	char *announce_buf;
4759 	uint32_t  priority;
4760 	int lbp, n;
4761 
4762 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_proberc\n"));
4763 
4764 	softc = (struct da_softc *)periph->softc;
4765 	priority = done_ccb->ccb_h.pinfo.priority;
4766 	csio = &done_ccb->csio;
4767 	state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
4768 
4769 	KASSERT(softc->state == DA_STATE_PROBE_RC || softc->state == DA_STATE_PROBE_RC16,
4770 	    ("State (%d) not PROBE_RC* in dadone_proberc, periph %p ccb %p",
4771 		softc->state, periph, done_ccb));
4772 	KASSERT(state == DA_CCB_PROBE_RC || state == DA_CCB_PROBE_RC16,
4773 	    ("CCB State (%lu) not PROBE_RC* in dadone_probewp, periph %p ccb %p",
4774 		(unsigned long)state, periph, done_ccb));
4775 
4776 	lbp = 0;
4777 	rdcap = NULL;
4778 	rcaplong = NULL;
4779 	/* XXX TODO: can this be a malloc? */
4780 	announce_buf = softc->announce_temp;
4781 	bzero(announce_buf, DA_ANNOUNCETMP_SZ);
4782 
4783 	if (state == DA_CCB_PROBE_RC)
4784 		rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
4785 	else
4786 		rcaplong = (struct scsi_read_capacity_data_long *)
4787 			csio->data_ptr;
4788 
4789 	cam_periph_assert(periph, MA_OWNED);
4790 
4791 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4792 		struct disk_params *dp;
4793 		uint32_t block_size;
4794 		uint64_t maxsector;
4795 		u_int lalba;	/* Lowest aligned LBA. */
4796 
4797 		if (state == DA_CCB_PROBE_RC) {
4798 			block_size = scsi_4btoul(rdcap->length);
4799 			maxsector = scsi_4btoul(rdcap->addr);
4800 			lalba = 0;
4801 
4802 			/*
4803 			 * According to SBC-2, if the standard 10
4804 			 * byte READ CAPACITY command returns 2^32,
4805 			 * we should issue the 16 byte version of
4806 			 * the command, since the device in question
4807 			 * has more sectors than can be represented
4808 			 * with the short version of the command.
4809 			 */
4810 			if (maxsector == 0xffffffff) {
4811 				free(rdcap, M_SCSIDA);
4812 				softc->state = DA_STATE_PROBE_RC16;
4813 				xpt_release_ccb(done_ccb);
4814 				xpt_schedule(periph, priority);
4815 				return;
4816 			}
4817 		} else {
4818 			block_size = scsi_4btoul(rcaplong->length);
4819 			maxsector = scsi_8btou64(rcaplong->addr);
4820 			lalba = scsi_2btoul(rcaplong->lalba_lbp);
4821 		}
4822 
4823 		/*
4824 		 * Because GEOM code just will panic us if we
4825 		 * give them an 'illegal' value we'll avoid that
4826 		 * here.
4827 		 */
4828 		if (block_size == 0) {
4829 			block_size = 512;
4830 			if (maxsector == 0)
4831 				maxsector = -1;
4832 		}
4833 		if (block_size >= maxphys) {
4834 			xpt_print(periph->path,
4835 			    "unsupportable block size %ju\n",
4836 			    (uintmax_t) block_size);
4837 			announce_buf = NULL;
4838 			cam_periph_invalidate(periph);
4839 		} else {
4840 			/*
4841 			 * We pass rcaplong into dasetgeom(),
4842 			 * because it will only use it if it is
4843 			 * non-NULL.
4844 			 */
4845 			dasetgeom(periph, block_size, maxsector,
4846 				  rcaplong, sizeof(*rcaplong));
4847 			lbp = (lalba & SRC16_LBPME_A);
4848 			dp = &softc->params;
4849 			n = snprintf(announce_buf, DA_ANNOUNCETMP_SZ,
4850 			    "%juMB (%ju %u byte sectors",
4851 			    ((uintmax_t)dp->secsize * dp->sectors) /
4852 			     (1024 * 1024),
4853 			    (uintmax_t)dp->sectors, dp->secsize);
4854 			if (softc->p_type != 0) {
4855 				n += snprintf(announce_buf + n,
4856 				    DA_ANNOUNCETMP_SZ - n,
4857 				    ", DIF type %d", softc->p_type);
4858 			}
4859 			snprintf(announce_buf + n, DA_ANNOUNCETMP_SZ - n, ")");
4860 		}
4861 	} else {
4862 		int error;
4863 
4864 		/*
4865 		 * Retry any UNIT ATTENTION type errors.  They
4866 		 * are expected at boot.
4867 		 */
4868 		error = daerror(done_ccb, CAM_RETRY_SELTO,
4869 				SF_RETRY_UA|SF_NO_PRINT);
4870 		if (error == ERESTART) {
4871 			/*
4872 			 * A retry was scheuled, so
4873 			 * just return.
4874 			 */
4875 			return;
4876 		} else if (error != 0) {
4877 			int asc, ascq;
4878 			int sense_key, error_code;
4879 			int have_sense;
4880 			cam_status status;
4881 			struct ccb_getdev cgd;
4882 
4883 			/* Don't wedge this device's queue */
4884 			status = done_ccb->ccb_h.status;
4885 			if ((status & CAM_DEV_QFRZN) != 0)
4886 				cam_release_devq(done_ccb->ccb_h.path,
4887 						 /*relsim_flags*/0,
4888 						 /*reduction*/0,
4889 						 /*timeout*/0,
4890 						 /*getcount_only*/0);
4891 
4892 			memset(&cgd, 0, sizeof(cgd));
4893 			xpt_setup_ccb(&cgd.ccb_h, done_ccb->ccb_h.path,
4894 				      CAM_PRIORITY_NORMAL);
4895 			cgd.ccb_h.func_code = XPT_GDEV_TYPE;
4896 			xpt_action((union ccb *)&cgd);
4897 
4898 			if (scsi_extract_sense_ccb(done_ccb,
4899 			    &error_code, &sense_key, &asc, &ascq))
4900 				have_sense = TRUE;
4901 			else
4902 				have_sense = FALSE;
4903 
4904 			/*
4905 			 * If we tried READ CAPACITY(16) and failed,
4906 			 * fallback to READ CAPACITY(10).
4907 			 */
4908 			if ((state == DA_CCB_PROBE_RC16) &&
4909 			    (softc->flags & DA_FLAG_CAN_RC16) &&
4910 			    (((csio->ccb_h.status & CAM_STATUS_MASK) ==
4911 				CAM_REQ_INVALID) ||
4912 			     ((have_sense) &&
4913 			      (error_code == SSD_CURRENT_ERROR ||
4914 			       error_code == SSD_DESC_CURRENT_ERROR) &&
4915 			      (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
4916 				cam_periph_assert(periph, MA_OWNED);
4917 				softc->flags &= ~DA_FLAG_CAN_RC16;
4918 				free(rdcap, M_SCSIDA);
4919 				softc->state = DA_STATE_PROBE_RC;
4920 				xpt_release_ccb(done_ccb);
4921 				xpt_schedule(periph, priority);
4922 				return;
4923 			}
4924 
4925 			/*
4926 			 * Attach to anything that claims to be a
4927 			 * direct access or optical disk device,
4928 			 * as long as it doesn't return a "Logical
4929 			 * unit not supported" (0x25) error.
4930 			 * "Internal Target Failure" (0x44) is also
4931 			 * special and typically means that the
4932 			 * device is a SATA drive behind a SATL
4933 			 * translation that's fallen into a
4934 			 * terminally fatal state.
4935 			 */
4936 			if ((have_sense)
4937 			 && (asc != 0x25) && (asc != 0x44)
4938 			 && (error_code == SSD_CURRENT_ERROR
4939 			  || error_code == SSD_DESC_CURRENT_ERROR)) {
4940 				const char *sense_key_desc;
4941 				const char *asc_desc;
4942 
4943 				dasetgeom(periph, 512, -1, NULL, 0);
4944 				scsi_sense_desc(sense_key, asc, ascq,
4945 						&cgd.inq_data, &sense_key_desc,
4946 						&asc_desc);
4947 				snprintf(announce_buf, DA_ANNOUNCETMP_SZ,
4948 				    "Attempt to query device "
4949 				    "size failed: %s, %s",
4950 				    sense_key_desc, asc_desc);
4951 			} else {
4952 				if (have_sense)
4953 					scsi_sense_print(&done_ccb->csio);
4954 				else {
4955 					xpt_print(periph->path,
4956 					    "got CAM status %#x\n",
4957 					    done_ccb->ccb_h.status);
4958 				}
4959 
4960 				xpt_print(periph->path, "fatal error, "
4961 				    "failed to attach to device\n");
4962 
4963 				announce_buf = NULL;
4964 
4965 				/*
4966 				 * Free up resources.
4967 				 */
4968 				cam_periph_invalidate(periph);
4969 			}
4970 		}
4971 	}
4972 	free(csio->data_ptr, M_SCSIDA);
4973 	if (announce_buf != NULL &&
4974 	    ((softc->flags & DA_FLAG_ANNOUNCED) == 0)) {
4975 		struct sbuf sb;
4976 
4977 		sbuf_new(&sb, softc->announcebuf, DA_ANNOUNCE_SZ,
4978 		    SBUF_FIXEDLEN);
4979 		xpt_announce_periph_sbuf(periph, &sb, announce_buf);
4980 		xpt_announce_quirks_sbuf(periph, &sb, softc->quirks,
4981 		    DA_Q_BIT_STRING);
4982 		sbuf_finish(&sb);
4983 		sbuf_putbuf(&sb);
4984 
4985 		/*
4986 		 * Create our sysctl variables, now that we know
4987 		 * we have successfully attached.
4988 		 */
4989 		/* increase the refcount */
4990 		if (da_periph_acquire(periph, DA_REF_SYSCTL) == 0) {
4991 			taskqueue_enqueue(taskqueue_thread,
4992 					  &softc->sysctl_task);
4993 		} else {
4994 			/* XXX This message is useless! */
4995 			xpt_print(periph->path, "fatal error, "
4996 			    "could not acquire reference count\n");
4997 		}
4998 	}
4999 
5000 	/* We already probed the device. */
5001 	if (softc->flags & DA_FLAG_PROBED) {
5002 		daprobedone(periph, done_ccb);
5003 		return;
5004 	}
5005 
5006 	/* Ensure re-probe doesn't see old delete. */
5007 	softc->delete_available = 0;
5008 	dadeleteflag(softc, DA_DELETE_ZERO, 1);
5009 	if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) {
5010 		/*
5011 		 * Based on older SBC-3 spec revisions
5012 		 * any of the UNMAP methods "may" be
5013 		 * available via LBP given this flag so
5014 		 * we flag all of them as available and
5015 		 * then remove those which further
5016 		 * probes confirm aren't available
5017 		 * later.
5018 		 *
5019 		 * We could also check readcap(16) p_type
5020 		 * flag to exclude one or more invalid
5021 		 * write same (X) types here
5022 		 */
5023 		dadeleteflag(softc, DA_DELETE_WS16, 1);
5024 		dadeleteflag(softc, DA_DELETE_WS10, 1);
5025 		dadeleteflag(softc, DA_DELETE_UNMAP, 1);
5026 
5027 		softc->state = DA_STATE_PROBE_LBP;
5028 		xpt_release_ccb(done_ccb);
5029 		xpt_schedule(periph, priority);
5030 		return;
5031 	}
5032 
5033 	softc->state = DA_STATE_PROBE_BDC;
5034 	xpt_release_ccb(done_ccb);
5035 	xpt_schedule(periph, priority);
5036 	return;
5037 }
5038 
5039 static void
5040 dadone_probelbp(struct cam_periph *periph, union ccb *done_ccb)
5041 {
5042 	struct scsi_vpd_logical_block_prov *lbp;
5043 	struct da_softc *softc;
5044 	struct ccb_scsiio *csio;
5045 	uint32_t  priority;
5046 
5047 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probelbp\n"));
5048 
5049 	softc = (struct da_softc *)periph->softc;
5050 	priority = done_ccb->ccb_h.pinfo.priority;
5051 	csio = &done_ccb->csio;
5052 	lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr;
5053 
5054 	cam_periph_assert(periph, MA_OWNED);
5055 
5056 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5057 		/*
5058 		 * T10/1799-D Revision 31 states at least one of these
5059 		 * must be supported but we don't currently enforce this.
5060 		 */
5061 		dadeleteflag(softc, DA_DELETE_WS16,
5062 		     (lbp->flags & SVPD_LBP_WS16));
5063 		dadeleteflag(softc, DA_DELETE_WS10,
5064 			     (lbp->flags & SVPD_LBP_WS10));
5065 		dadeleteflag(softc, DA_DELETE_UNMAP,
5066 			     (lbp->flags & SVPD_LBP_UNMAP));
5067 	} else {
5068 		int error;
5069 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5070 				SF_RETRY_UA|SF_NO_PRINT);
5071 		if (error == ERESTART)
5072 			return;
5073 		else if (error != 0) {
5074 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5075 				/* Don't wedge this device's queue */
5076 				cam_release_devq(done_ccb->ccb_h.path,
5077 						 /*relsim_flags*/0,
5078 						 /*reduction*/0,
5079 						 /*timeout*/0,
5080 						 /*getcount_only*/0);
5081 			}
5082 
5083 			/*
5084 			 * Failure indicates we don't support any SBC-3
5085 			 * delete methods with UNMAP
5086 			 */
5087 		}
5088 	}
5089 
5090 	free(lbp, M_SCSIDA);
5091 	softc->state = DA_STATE_PROBE_BLK_LIMITS;
5092 	xpt_release_ccb(done_ccb);
5093 	xpt_schedule(periph, priority);
5094 	return;
5095 }
5096 
5097 static void
5098 dadone_probeblklimits(struct cam_periph *periph, union ccb *done_ccb)
5099 {
5100 	struct scsi_vpd_block_limits *block_limits;
5101 	struct da_softc *softc;
5102 	struct ccb_scsiio *csio;
5103 	uint32_t  priority;
5104 
5105 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeblklimits\n"));
5106 
5107 	softc = (struct da_softc *)periph->softc;
5108 	priority = done_ccb->ccb_h.pinfo.priority;
5109 	csio = &done_ccb->csio;
5110 	block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr;
5111 
5112 	cam_periph_assert(periph, MA_OWNED);
5113 
5114 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5115 		uint32_t max_txfer_len = scsi_4btoul(
5116 			block_limits->max_txfer_len);
5117 		uint32_t max_unmap_lba_cnt = scsi_4btoul(
5118 			block_limits->max_unmap_lba_cnt);
5119 		uint32_t max_unmap_blk_cnt = scsi_4btoul(
5120 			block_limits->max_unmap_blk_cnt);
5121 		uint32_t unmap_gran = scsi_4btoul(
5122 			block_limits->opt_unmap_grain);
5123 		uint32_t unmap_gran_align = scsi_4btoul(
5124 			block_limits->unmap_grain_align);
5125 		uint64_t ws_max_blks = scsi_8btou64(
5126 			block_limits->max_write_same_length);
5127 
5128 		if (max_txfer_len != 0) {
5129 			softc->disk->d_maxsize = MIN(softc->maxio,
5130 			    (off_t)max_txfer_len * softc->params.secsize);
5131 		}
5132 
5133 		/*
5134 		 * We should already support UNMAP but we check lba
5135 		 * and block count to be sure
5136 		 */
5137 		if (max_unmap_lba_cnt != 0x00L &&
5138 		    max_unmap_blk_cnt != 0x00L) {
5139 			softc->unmap_max_lba = max_unmap_lba_cnt;
5140 			softc->unmap_max_ranges = min(max_unmap_blk_cnt,
5141 				UNMAP_MAX_RANGES);
5142 			if (unmap_gran > 1) {
5143 				softc->unmap_gran = unmap_gran;
5144 				if (unmap_gran_align & 0x80000000) {
5145 					softc->unmap_gran_align =
5146 					    unmap_gran_align & 0x7fffffff;
5147 				}
5148 			}
5149 		} else {
5150 			/*
5151 			 * Unexpected UNMAP limits which means the
5152 			 * device doesn't actually support UNMAP
5153 			 */
5154 			dadeleteflag(softc, DA_DELETE_UNMAP, 0);
5155 		}
5156 
5157 		if (ws_max_blks != 0x00L)
5158 			softc->ws_max_blks = ws_max_blks;
5159 	} else {
5160 		int error;
5161 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5162 				SF_RETRY_UA|SF_NO_PRINT);
5163 		if (error == ERESTART)
5164 			return;
5165 		else if (error != 0) {
5166 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5167 				/* Don't wedge this device's queue */
5168 				cam_release_devq(done_ccb->ccb_h.path,
5169 						 /*relsim_flags*/0,
5170 						 /*reduction*/0,
5171 						 /*timeout*/0,
5172 						 /*getcount_only*/0);
5173 			}
5174 
5175 			/*
5176 			 * Failure here doesn't mean UNMAP is not
5177 			 * supported as this is an optional page.
5178 			 */
5179 			softc->unmap_max_lba = 1;
5180 			softc->unmap_max_ranges = 1;
5181 		}
5182 	}
5183 
5184 	free(block_limits, M_SCSIDA);
5185 	softc->state = DA_STATE_PROBE_BDC;
5186 	xpt_release_ccb(done_ccb);
5187 	xpt_schedule(periph, priority);
5188 	return;
5189 }
5190 
5191 static void
5192 dadone_probebdc(struct cam_periph *periph, union ccb *done_ccb)
5193 {
5194 	struct scsi_vpd_block_device_characteristics *bdc;
5195 	struct da_softc *softc;
5196 	struct ccb_scsiio *csio;
5197 	uint32_t  priority;
5198 
5199 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probebdc\n"));
5200 
5201 	softc = (struct da_softc *)periph->softc;
5202 	priority = done_ccb->ccb_h.pinfo.priority;
5203 	csio = &done_ccb->csio;
5204 	bdc = (struct scsi_vpd_block_device_characteristics *)csio->data_ptr;
5205 
5206 	cam_periph_assert(periph, MA_OWNED);
5207 
5208 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5209 		uint32_t valid_len;
5210 
5211 		/*
5212 		 * Disable queue sorting for non-rotational media
5213 		 * by default.
5214 		 */
5215 		uint16_t old_rate = softc->disk->d_rotation_rate;
5216 
5217 		valid_len = csio->dxfer_len - csio->resid;
5218 		if (SBDC_IS_PRESENT(bdc, valid_len,
5219 		    medium_rotation_rate)) {
5220 			softc->disk->d_rotation_rate =
5221 				scsi_2btoul(bdc->medium_rotation_rate);
5222 			if (softc->disk->d_rotation_rate == SVPD_NON_ROTATING) {
5223 				cam_iosched_set_sort_queue(
5224 				    softc->cam_iosched, 0);
5225 				softc->flags &= ~DA_FLAG_ROTATING;
5226 			}
5227 			if (softc->disk->d_rotation_rate != old_rate) {
5228 				disk_attr_changed(softc->disk,
5229 				    "GEOM::rotation_rate", M_NOWAIT);
5230 			}
5231 		}
5232 		if ((SBDC_IS_PRESENT(bdc, valid_len, flags))
5233 		 && (softc->zone_mode == DA_ZONE_NONE)) {
5234 			int ata_proto;
5235 
5236 			if (scsi_vpd_supported_page(periph,
5237 			    SVPD_ATA_INFORMATION))
5238 				ata_proto = 1;
5239 			else
5240 				ata_proto = 0;
5241 
5242 			/*
5243 			 * The Zoned field will only be set for
5244 			 * Drive Managed and Host Aware drives.  If
5245 			 * they are Host Managed, the device type
5246 			 * in the standard INQUIRY data should be
5247 			 * set to T_ZBC_HM (0x14).
5248 			 */
5249 			if ((bdc->flags & SVPD_ZBC_MASK) ==
5250 			     SVPD_HAW_ZBC) {
5251 				softc->zone_mode = DA_ZONE_HOST_AWARE;
5252 				softc->zone_interface = (ata_proto) ?
5253 				   DA_ZONE_IF_ATA_SAT : DA_ZONE_IF_SCSI;
5254 			} else if ((bdc->flags & SVPD_ZBC_MASK) ==
5255 			     SVPD_DM_ZBC) {
5256 				softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
5257 				softc->zone_interface = (ata_proto) ?
5258 				   DA_ZONE_IF_ATA_SAT : DA_ZONE_IF_SCSI;
5259 			} else if ((bdc->flags & SVPD_ZBC_MASK) !=
5260 				  SVPD_ZBC_NR) {
5261 				xpt_print(periph->path, "Unknown zoned "
5262 				    "type %#x",
5263 				    bdc->flags & SVPD_ZBC_MASK);
5264 			}
5265 		}
5266 	} else {
5267 		int error;
5268 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5269 				SF_RETRY_UA|SF_NO_PRINT);
5270 		if (error == ERESTART)
5271 			return;
5272 		else if (error != 0) {
5273 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5274 				/* Don't wedge this device's queue */
5275 				cam_release_devq(done_ccb->ccb_h.path,
5276 						 /*relsim_flags*/0,
5277 						 /*reduction*/0,
5278 						 /*timeout*/0,
5279 						 /*getcount_only*/0);
5280 			}
5281 		}
5282 	}
5283 
5284 	free(bdc, M_SCSIDA);
5285 	softc->state = DA_STATE_PROBE_ATA;
5286 	xpt_release_ccb(done_ccb);
5287 	xpt_schedule(periph, priority);
5288 	return;
5289 }
5290 
5291 static void
5292 dadone_probeata(struct cam_periph *periph, union ccb *done_ccb)
5293 {
5294 	struct ata_params *ata_params;
5295 	struct ccb_scsiio *csio;
5296 	struct da_softc *softc;
5297 	uint32_t  priority;
5298 	int continue_probe;
5299 	int error;
5300 
5301 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeata\n"));
5302 
5303 	softc = (struct da_softc *)periph->softc;
5304 	priority = done_ccb->ccb_h.pinfo.priority;
5305 	csio = &done_ccb->csio;
5306 	ata_params = (struct ata_params *)csio->data_ptr;
5307 	continue_probe = 0;
5308 	error = 0;
5309 
5310 	cam_periph_assert(periph, MA_OWNED);
5311 
5312 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5313 		uint16_t old_rate;
5314 
5315 		ata_param_fixup(ata_params);
5316 		if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM &&
5317 		    (softc->quirks & DA_Q_NO_UNMAP) == 0) {
5318 			dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1);
5319 			if (ata_params->max_dsm_blocks != 0)
5320 				softc->trim_max_ranges = min(
5321 				  softc->trim_max_ranges,
5322 				  ata_params->max_dsm_blocks *
5323 				  ATA_DSM_BLK_RANGES);
5324 		}
5325 		/*
5326 		 * Disable queue sorting for non-rotational media
5327 		 * by default.
5328 		 */
5329 		old_rate = softc->disk->d_rotation_rate;
5330 		softc->disk->d_rotation_rate = ata_params->media_rotation_rate;
5331 		if (softc->disk->d_rotation_rate == ATA_RATE_NON_ROTATING) {
5332 			cam_iosched_set_sort_queue(softc->cam_iosched, 0);
5333 			softc->flags &= ~DA_FLAG_ROTATING;
5334 		}
5335 		if (softc->disk->d_rotation_rate != old_rate) {
5336 			disk_attr_changed(softc->disk,
5337 			    "GEOM::rotation_rate", M_NOWAIT);
5338 		}
5339 
5340 		cam_periph_assert(periph, MA_OWNED);
5341 		if (ata_params->capabilities1 & ATA_SUPPORT_DMA)
5342 			softc->flags |= DA_FLAG_CAN_ATA_DMA;
5343 
5344 		if (ata_params->support.extension & ATA_SUPPORT_GENLOG)
5345 			softc->flags |= DA_FLAG_CAN_ATA_LOG;
5346 
5347 		/*
5348 		 * At this point, if we have a SATA host aware drive,
5349 		 * we communicate via ATA passthrough unless the
5350 		 * SAT layer supports ZBC -> ZAC translation.  In
5351 		 * that case,
5352 		 *
5353 		 * XXX KDM figure out how to detect a host managed
5354 		 * SATA drive.
5355 		 */
5356 		if (softc->zone_mode == DA_ZONE_NONE) {
5357 			/*
5358 			 * Note that we don't override the zone
5359 			 * mode or interface if it has already been
5360 			 * set.  This is because it has either been
5361 			 * set as a quirk, or when we probed the
5362 			 * SCSI Block Device Characteristics page,
5363 			 * the zoned field was set.  The latter
5364 			 * means that the SAT layer supports ZBC to
5365 			 * ZAC translation, and we would prefer to
5366 			 * use that if it is available.
5367 			 */
5368 			if ((ata_params->support3 &
5369 			    ATA_SUPPORT_ZONE_MASK) ==
5370 			    ATA_SUPPORT_ZONE_HOST_AWARE) {
5371 				softc->zone_mode = DA_ZONE_HOST_AWARE;
5372 				softc->zone_interface =
5373 				    DA_ZONE_IF_ATA_PASS;
5374 			} else if ((ata_params->support3 &
5375 				    ATA_SUPPORT_ZONE_MASK) ==
5376 				    ATA_SUPPORT_ZONE_DEV_MANAGED) {
5377 				softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
5378 				softc->zone_interface = DA_ZONE_IF_ATA_PASS;
5379 			}
5380 		}
5381 
5382 	} else {
5383 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5384 				SF_RETRY_UA|SF_NO_PRINT);
5385 		if (error == ERESTART)
5386 			return;
5387 		else if (error != 0) {
5388 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5389 				/* Don't wedge this device's queue */
5390 				cam_release_devq(done_ccb->ccb_h.path,
5391 						 /*relsim_flags*/0,
5392 						 /*reduction*/0,
5393 						 /*timeout*/0,
5394 						 /*getcount_only*/0);
5395 			}
5396 		}
5397 	}
5398 
5399 	if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
5400 	 || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
5401 		/*
5402 		 * If the ATA IDENTIFY failed, we could be talking
5403 		 * to a SCSI drive, although that seems unlikely,
5404 		 * since the drive did report that it supported the
5405 		 * ATA Information VPD page.  If the ATA IDENTIFY
5406 		 * succeeded, and the SAT layer doesn't support
5407 		 * ZBC -> ZAC translation, continue on to get the
5408 		 * directory of ATA logs, and complete the rest of
5409 		 * the ZAC probe.  If the SAT layer does support
5410 		 * ZBC -> ZAC translation, we want to use that,
5411 		 * and we'll probe the SCSI Zoned Block Device
5412 		 * Characteristics VPD page next.
5413 		 */
5414 		if ((error == 0)
5415 		 && (softc->flags & DA_FLAG_CAN_ATA_LOG)
5416 		 && (softc->zone_interface == DA_ZONE_IF_ATA_PASS))
5417 			softc->state = DA_STATE_PROBE_ATA_LOGDIR;
5418 		else
5419 			softc->state = DA_STATE_PROBE_ZONE;
5420 		continue_probe = 1;
5421 	}
5422 	if (continue_probe != 0) {
5423 		xpt_schedule(periph, priority);
5424 		xpt_release_ccb(done_ccb);
5425 		return;
5426 	} else
5427 		daprobedone(periph, done_ccb);
5428 	return;
5429 }
5430 
5431 static void
5432 dadone_probeatalogdir(struct cam_periph *periph, union ccb *done_ccb)
5433 {
5434 	struct da_softc *softc;
5435 	struct ccb_scsiio *csio;
5436 	uint32_t  priority;
5437 	int error;
5438 
5439 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatalogdir\n"));
5440 
5441 	softc = (struct da_softc *)periph->softc;
5442 	priority = done_ccb->ccb_h.pinfo.priority;
5443 	csio = &done_ccb->csio;
5444 
5445 	cam_periph_assert(periph, MA_OWNED);
5446 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5447 		error = 0;
5448 		softc->valid_logdir_len = 0;
5449 		bzero(&softc->ata_logdir, sizeof(softc->ata_logdir));
5450 		softc->valid_logdir_len = csio->dxfer_len - csio->resid;
5451 		if (softc->valid_logdir_len > 0)
5452 			bcopy(csio->data_ptr, &softc->ata_logdir,
5453 			    min(softc->valid_logdir_len,
5454 				sizeof(softc->ata_logdir)));
5455 		/*
5456 		 * Figure out whether the Identify Device log is
5457 		 * supported.  The General Purpose log directory
5458 		 * has a header, and lists the number of pages
5459 		 * available for each GP log identified by the
5460 		 * offset into the list.
5461 		 */
5462 		if ((softc->valid_logdir_len >=
5463 		    ((ATA_IDENTIFY_DATA_LOG + 1) * sizeof(uint16_t)))
5464 		 && (le16dec(softc->ata_logdir.header) ==
5465 		     ATA_GP_LOG_DIR_VERSION)
5466 		 && (le16dec(&softc->ata_logdir.num_pages[
5467 		     (ATA_IDENTIFY_DATA_LOG *
5468 		     sizeof(uint16_t)) - sizeof(uint16_t)]) > 0)){
5469 			softc->flags |= DA_FLAG_CAN_ATA_IDLOG;
5470 		} else {
5471 			softc->flags &= ~DA_FLAG_CAN_ATA_IDLOG;
5472 		}
5473 	} else {
5474 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5475 				SF_RETRY_UA|SF_NO_PRINT);
5476 		if (error == ERESTART)
5477 			return;
5478 		else if (error != 0) {
5479 			/*
5480 			 * If we can't get the ATA log directory,
5481 			 * then ATA logs are effectively not
5482 			 * supported even if the bit is set in the
5483 			 * identify data.
5484 			 */
5485 			softc->flags &= ~(DA_FLAG_CAN_ATA_LOG |
5486 					  DA_FLAG_CAN_ATA_IDLOG);
5487 			if ((done_ccb->ccb_h.status &
5488 			     CAM_DEV_QFRZN) != 0) {
5489 				/* Don't wedge this device's queue */
5490 				cam_release_devq(done_ccb->ccb_h.path,
5491 						 /*relsim_flags*/0,
5492 						 /*reduction*/0,
5493 						 /*timeout*/0,
5494 						 /*getcount_only*/0);
5495 			}
5496 		}
5497 	}
5498 
5499 	free(csio->data_ptr, M_SCSIDA);
5500 
5501 	if ((error == 0)
5502 	 && (softc->flags & DA_FLAG_CAN_ATA_IDLOG)) {
5503 		softc->state = DA_STATE_PROBE_ATA_IDDIR;
5504 		xpt_release_ccb(done_ccb);
5505 		xpt_schedule(periph, priority);
5506 		return;
5507 	}
5508 	daprobedone(periph, done_ccb);
5509 	return;
5510 }
5511 
5512 static void
5513 dadone_probeataiddir(struct cam_periph *periph, union ccb *done_ccb)
5514 {
5515 	struct da_softc *softc;
5516 	struct ccb_scsiio *csio;
5517 	uint32_t  priority;
5518 	int error;
5519 
5520 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeataiddir\n"));
5521 
5522 	softc = (struct da_softc *)periph->softc;
5523 	priority = done_ccb->ccb_h.pinfo.priority;
5524 	csio = &done_ccb->csio;
5525 
5526 	cam_periph_assert(periph, MA_OWNED);
5527 
5528 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5529 		off_t entries_offset, max_entries;
5530 		error = 0;
5531 
5532 		softc->valid_iddir_len = 0;
5533 		bzero(&softc->ata_iddir, sizeof(softc->ata_iddir));
5534 		softc->flags &= ~(DA_FLAG_CAN_ATA_SUPCAP |
5535 				  DA_FLAG_CAN_ATA_ZONE);
5536 		softc->valid_iddir_len = csio->dxfer_len - csio->resid;
5537 		if (softc->valid_iddir_len > 0)
5538 			bcopy(csio->data_ptr, &softc->ata_iddir,
5539 			    min(softc->valid_iddir_len,
5540 				sizeof(softc->ata_iddir)));
5541 
5542 		entries_offset =
5543 		    __offsetof(struct ata_identify_log_pages,entries);
5544 		max_entries = softc->valid_iddir_len - entries_offset;
5545 		if ((softc->valid_iddir_len > (entries_offset + 1))
5546 		 && (le64dec(softc->ata_iddir.header) == ATA_IDLOG_REVISION)
5547 		 && (softc->ata_iddir.entry_count > 0)) {
5548 			int num_entries, i;
5549 
5550 			num_entries = softc->ata_iddir.entry_count;
5551 			num_entries = min(num_entries,
5552 			   softc->valid_iddir_len - entries_offset);
5553 			for (i = 0; i < num_entries && i < max_entries; i++) {
5554 				if (softc->ata_iddir.entries[i] ==
5555 				    ATA_IDL_SUP_CAP)
5556 					softc->flags |= DA_FLAG_CAN_ATA_SUPCAP;
5557 				else if (softc->ata_iddir.entries[i] ==
5558 					 ATA_IDL_ZDI)
5559 					softc->flags |= DA_FLAG_CAN_ATA_ZONE;
5560 
5561 				if ((softc->flags & DA_FLAG_CAN_ATA_SUPCAP)
5562 				 && (softc->flags & DA_FLAG_CAN_ATA_ZONE))
5563 					break;
5564 			}
5565 		}
5566 	} else {
5567 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5568 				SF_RETRY_UA|SF_NO_PRINT);
5569 		if (error == ERESTART)
5570 			return;
5571 		else if (error != 0) {
5572 			/*
5573 			 * If we can't get the ATA Identify Data log
5574 			 * directory, then it effectively isn't
5575 			 * supported even if the ATA Log directory
5576 			 * a non-zero number of pages present for
5577 			 * this log.
5578 			 */
5579 			softc->flags &= ~DA_FLAG_CAN_ATA_IDLOG;
5580 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5581 				/* Don't wedge this device's queue */
5582 				cam_release_devq(done_ccb->ccb_h.path,
5583 						 /*relsim_flags*/0,
5584 						 /*reduction*/0,
5585 						 /*timeout*/0,
5586 						 /*getcount_only*/0);
5587 			}
5588 		}
5589 	}
5590 
5591 	free(csio->data_ptr, M_SCSIDA);
5592 
5593 	if ((error == 0) && (softc->flags & DA_FLAG_CAN_ATA_SUPCAP)) {
5594 		softc->state = DA_STATE_PROBE_ATA_SUP;
5595 		xpt_release_ccb(done_ccb);
5596 		xpt_schedule(periph, priority);
5597 		return;
5598 	}
5599 	daprobedone(periph, done_ccb);
5600 	return;
5601 }
5602 
5603 static void
5604 dadone_probeatasup(struct cam_periph *periph, union ccb *done_ccb)
5605 {
5606 	struct da_softc *softc;
5607 	struct ccb_scsiio *csio;
5608 	uint32_t  priority;
5609 	int error;
5610 
5611 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatasup\n"));
5612 
5613 	softc = (struct da_softc *)periph->softc;
5614 	priority = done_ccb->ccb_h.pinfo.priority;
5615 	csio = &done_ccb->csio;
5616 
5617 	cam_periph_assert(periph, MA_OWNED);
5618 
5619 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5620 		uint32_t valid_len;
5621 		size_t needed_size;
5622 		struct ata_identify_log_sup_cap *sup_cap;
5623 		error = 0;
5624 
5625 		sup_cap = (struct ata_identify_log_sup_cap *)csio->data_ptr;
5626 		valid_len = csio->dxfer_len - csio->resid;
5627 		needed_size = __offsetof(struct ata_identify_log_sup_cap,
5628 		    sup_zac_cap) + 1 + sizeof(sup_cap->sup_zac_cap);
5629 		if (valid_len >= needed_size) {
5630 			uint64_t zoned, zac_cap;
5631 
5632 			zoned = le64dec(sup_cap->zoned_cap);
5633 			if (zoned & ATA_ZONED_VALID) {
5634 				/*
5635 				 * This should have already been
5636 				 * set, because this is also in the
5637 				 * ATA identify data.
5638 				 */
5639 				if ((zoned & ATA_ZONED_MASK) ==
5640 				    ATA_SUPPORT_ZONE_HOST_AWARE)
5641 					softc->zone_mode = DA_ZONE_HOST_AWARE;
5642 				else if ((zoned & ATA_ZONED_MASK) ==
5643 				    ATA_SUPPORT_ZONE_DEV_MANAGED)
5644 					softc->zone_mode =
5645 					    DA_ZONE_DRIVE_MANAGED;
5646 			}
5647 
5648 			zac_cap = le64dec(sup_cap->sup_zac_cap);
5649 			if (zac_cap & ATA_SUP_ZAC_CAP_VALID) {
5650 				if (zac_cap & ATA_REPORT_ZONES_SUP)
5651 					softc->zone_flags |=
5652 					    DA_ZONE_FLAG_RZ_SUP;
5653 				if (zac_cap & ATA_ND_OPEN_ZONE_SUP)
5654 					softc->zone_flags |=
5655 					    DA_ZONE_FLAG_OPEN_SUP;
5656 				if (zac_cap & ATA_ND_CLOSE_ZONE_SUP)
5657 					softc->zone_flags |=
5658 					    DA_ZONE_FLAG_CLOSE_SUP;
5659 				if (zac_cap & ATA_ND_FINISH_ZONE_SUP)
5660 					softc->zone_flags |=
5661 					    DA_ZONE_FLAG_FINISH_SUP;
5662 				if (zac_cap & ATA_ND_RWP_SUP)
5663 					softc->zone_flags |=
5664 					    DA_ZONE_FLAG_RWP_SUP;
5665 			} else {
5666 				/*
5667 				 * This field was introduced in
5668 				 * ACS-4, r08 on April 28th, 2015.
5669 				 * If the drive firmware was written
5670 				 * to an earlier spec, it won't have
5671 				 * the field.  So, assume all
5672 				 * commands are supported.
5673 				 */
5674 				softc->zone_flags |= DA_ZONE_FLAG_SUP_MASK;
5675 			}
5676 		}
5677 	} else {
5678 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5679 				SF_RETRY_UA|SF_NO_PRINT);
5680 		if (error == ERESTART)
5681 			return;
5682 		else if (error != 0) {
5683 			/*
5684 			 * If we can't get the ATA Identify Data
5685 			 * Supported Capabilities page, clear the
5686 			 * flag...
5687 			 */
5688 			softc->flags &= ~DA_FLAG_CAN_ATA_SUPCAP;
5689 			/*
5690 			 * And clear zone capabilities.
5691 			 */
5692 			softc->zone_flags &= ~DA_ZONE_FLAG_SUP_MASK;
5693 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5694 				/* Don't wedge this device's queue */
5695 				cam_release_devq(done_ccb->ccb_h.path,
5696 						 /*relsim_flags*/0,
5697 						 /*reduction*/0,
5698 						 /*timeout*/0,
5699 						 /*getcount_only*/0);
5700 			}
5701 		}
5702 	}
5703 
5704 	free(csio->data_ptr, M_SCSIDA);
5705 
5706 	if ((error == 0) && (softc->flags & DA_FLAG_CAN_ATA_ZONE)) {
5707 		softc->state = DA_STATE_PROBE_ATA_ZONE;
5708 		xpt_release_ccb(done_ccb);
5709 		xpt_schedule(periph, priority);
5710 		return;
5711 	}
5712 	daprobedone(periph, done_ccb);
5713 	return;
5714 }
5715 
5716 static void
5717 dadone_probeatazone(struct cam_periph *periph, union ccb *done_ccb)
5718 {
5719 	struct da_softc *softc;
5720 	struct ccb_scsiio *csio;
5721 	int error;
5722 
5723 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatazone\n"));
5724 
5725 	softc = (struct da_softc *)periph->softc;
5726 	csio = &done_ccb->csio;
5727 
5728 	cam_periph_assert(periph, MA_OWNED);
5729 
5730 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5731 		struct ata_zoned_info_log *zi_log;
5732 		uint32_t valid_len;
5733 		size_t needed_size;
5734 
5735 		zi_log = (struct ata_zoned_info_log *)csio->data_ptr;
5736 
5737 		valid_len = csio->dxfer_len - csio->resid;
5738 		needed_size = __offsetof(struct ata_zoned_info_log,
5739 		    version_info) + 1 + sizeof(zi_log->version_info);
5740 		if (valid_len >= needed_size) {
5741 			uint64_t tmpvar;
5742 
5743 			tmpvar = le64dec(zi_log->zoned_cap);
5744 			if (tmpvar & ATA_ZDI_CAP_VALID) {
5745 				if (tmpvar & ATA_ZDI_CAP_URSWRZ)
5746 					softc->zone_flags |=
5747 					    DA_ZONE_FLAG_URSWRZ;
5748 				else
5749 					softc->zone_flags &=
5750 					    ~DA_ZONE_FLAG_URSWRZ;
5751 			}
5752 			tmpvar = le64dec(zi_log->optimal_seq_zones);
5753 			if (tmpvar & ATA_ZDI_OPT_SEQ_VALID) {
5754 				softc->zone_flags |= DA_ZONE_FLAG_OPT_SEQ_SET;
5755 				softc->optimal_seq_zones = (tmpvar &
5756 				    ATA_ZDI_OPT_SEQ_MASK);
5757 			} else {
5758 				softc->zone_flags &= ~DA_ZONE_FLAG_OPT_SEQ_SET;
5759 				softc->optimal_seq_zones = 0;
5760 			}
5761 
5762 			tmpvar =le64dec(zi_log->optimal_nonseq_zones);
5763 			if (tmpvar & ATA_ZDI_OPT_NS_VALID) {
5764 				softc->zone_flags |=
5765 				    DA_ZONE_FLAG_OPT_NONSEQ_SET;
5766 				softc->optimal_nonseq_zones =
5767 				    (tmpvar & ATA_ZDI_OPT_NS_MASK);
5768 			} else {
5769 				softc->zone_flags &=
5770 				    ~DA_ZONE_FLAG_OPT_NONSEQ_SET;
5771 				softc->optimal_nonseq_zones = 0;
5772 			}
5773 
5774 			tmpvar = le64dec(zi_log->max_seq_req_zones);
5775 			if (tmpvar & ATA_ZDI_MAX_SEQ_VALID) {
5776 				softc->zone_flags |= DA_ZONE_FLAG_MAX_SEQ_SET;
5777 				softc->max_seq_zones =
5778 				    (tmpvar & ATA_ZDI_MAX_SEQ_MASK);
5779 			} else {
5780 				softc->zone_flags &= ~DA_ZONE_FLAG_MAX_SEQ_SET;
5781 				softc->max_seq_zones = 0;
5782 			}
5783 		}
5784 	} else {
5785 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5786 				SF_RETRY_UA|SF_NO_PRINT);
5787 		if (error == ERESTART)
5788 			return;
5789 		else if (error != 0) {
5790 			softc->flags &= ~DA_FLAG_CAN_ATA_ZONE;
5791 			softc->flags &= ~DA_ZONE_FLAG_SET_MASK;
5792 
5793 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5794 				/* Don't wedge this device's queue */
5795 				cam_release_devq(done_ccb->ccb_h.path,
5796 						 /*relsim_flags*/0,
5797 						 /*reduction*/0,
5798 						 /*timeout*/0,
5799 						 /*getcount_only*/0);
5800 			}
5801 		}
5802 	}
5803 
5804 	free(csio->data_ptr, M_SCSIDA);
5805 
5806 	daprobedone(periph, done_ccb);
5807 	return;
5808 }
5809 
5810 static void
5811 dadone_probezone(struct cam_periph *periph, union ccb *done_ccb)
5812 {
5813 	struct da_softc *softc;
5814 	struct ccb_scsiio *csio;
5815 	int error;
5816 
5817 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probezone\n"));
5818 
5819 	softc = (struct da_softc *)periph->softc;
5820 	csio = &done_ccb->csio;
5821 
5822 	cam_periph_assert(periph, MA_OWNED);
5823 
5824 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5825 		uint32_t valid_len;
5826 		size_t needed_len;
5827 		struct scsi_vpd_zoned_bdc *zoned_bdc;
5828 
5829 		error = 0;
5830 		zoned_bdc = (struct scsi_vpd_zoned_bdc *)csio->data_ptr;
5831 		valid_len = csio->dxfer_len - csio->resid;
5832 		needed_len = __offsetof(struct scsi_vpd_zoned_bdc,
5833 		    max_seq_req_zones) + 1 +
5834 		    sizeof(zoned_bdc->max_seq_req_zones);
5835 		if ((valid_len >= needed_len)
5836 		 && (scsi_2btoul(zoned_bdc->page_length) >= SVPD_ZBDC_PL)) {
5837 			if (zoned_bdc->flags & SVPD_ZBDC_URSWRZ)
5838 				softc->zone_flags |= DA_ZONE_FLAG_URSWRZ;
5839 			else
5840 				softc->zone_flags &= ~DA_ZONE_FLAG_URSWRZ;
5841 			softc->optimal_seq_zones =
5842 			    scsi_4btoul(zoned_bdc->optimal_seq_zones);
5843 			softc->zone_flags |= DA_ZONE_FLAG_OPT_SEQ_SET;
5844 			softc->optimal_nonseq_zones = scsi_4btoul(
5845 			    zoned_bdc->optimal_nonseq_zones);
5846 			softc->zone_flags |= DA_ZONE_FLAG_OPT_NONSEQ_SET;
5847 			softc->max_seq_zones =
5848 			    scsi_4btoul(zoned_bdc->max_seq_req_zones);
5849 			softc->zone_flags |= DA_ZONE_FLAG_MAX_SEQ_SET;
5850 		}
5851 		/*
5852 		 * All of the zone commands are mandatory for SCSI
5853 		 * devices.
5854 		 *
5855 		 * XXX KDM this is valid as of September 2015.
5856 		 * Re-check this assumption once the SAT spec is
5857 		 * updated to support SCSI ZBC to ATA ZAC mapping.
5858 		 * Since ATA allows zone commands to be reported
5859 		 * as supported or not, this may not necessarily
5860 		 * be true for an ATA device behind a SAT (SCSI to
5861 		 * ATA Translation) layer.
5862 		 */
5863 		softc->zone_flags |= DA_ZONE_FLAG_SUP_MASK;
5864 	} else {
5865 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5866 				SF_RETRY_UA|SF_NO_PRINT);
5867 		if (error == ERESTART)
5868 			return;
5869 		else if (error != 0) {
5870 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5871 				/* Don't wedge this device's queue */
5872 				cam_release_devq(done_ccb->ccb_h.path,
5873 						 /*relsim_flags*/0,
5874 						 /*reduction*/0,
5875 						 /*timeout*/0,
5876 						 /*getcount_only*/0);
5877 			}
5878 		}
5879 	}
5880 
5881 	free(csio->data_ptr, M_SCSIDA);
5882 
5883 	daprobedone(periph, done_ccb);
5884 	return;
5885 }
5886 
5887 static void
5888 dadone_tur(struct cam_periph *periph, union ccb *done_ccb)
5889 {
5890 	struct da_softc *softc;
5891 
5892 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_tur\n"));
5893 
5894 	softc = (struct da_softc *)periph->softc;
5895 
5896 	cam_periph_assert(periph, MA_OWNED);
5897 
5898 	if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
5899 		if (daerror(done_ccb, CAM_RETRY_SELTO,
5900 		    SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) == ERESTART)
5901 			return;	/* Will complete again, keep reference */
5902 		if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
5903 			cam_release_devq(done_ccb->ccb_h.path,
5904 					 /*relsim_flags*/0,
5905 					 /*reduction*/0,
5906 					 /*timeout*/0,
5907 					 /*getcount_only*/0);
5908 	}
5909 	softc->flags &= ~DA_FLAG_TUR_PENDING;
5910 	xpt_release_ccb(done_ccb);
5911 	da_periph_release_locked(periph, DA_REF_TUR);
5912 	return;
5913 }
5914 
5915 static void
5916 dareprobe(struct cam_periph *periph)
5917 {
5918 	struct da_softc	  *softc;
5919 	int status __diagused;
5920 
5921 	softc = (struct da_softc *)periph->softc;
5922 
5923 	cam_periph_assert(periph, MA_OWNED);
5924 
5925 	/* Probe in progress; don't interfere. */
5926 	if (softc->state != DA_STATE_NORMAL)
5927 		return;
5928 
5929 	status = da_periph_acquire(periph, DA_REF_REPROBE);
5930 	KASSERT(status == 0, ("dareprobe: cam_periph_acquire failed"));
5931 
5932 	softc->state = DA_STATE_PROBE_WP;
5933 	xpt_schedule(periph, CAM_PRIORITY_DEV);
5934 }
5935 
5936 static int
5937 daerror(union ccb *ccb, uint32_t cam_flags, uint32_t sense_flags)
5938 {
5939 	struct da_softc	  *softc;
5940 	struct cam_periph *periph;
5941 	int error, error_code, sense_key, asc, ascq;
5942 
5943 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
5944 	if (ccb->csio.bio != NULL)
5945 		biotrack(ccb->csio.bio, __func__);
5946 #endif
5947 
5948 	periph = xpt_path_periph(ccb->ccb_h.path);
5949 	softc = (struct da_softc *)periph->softc;
5950 
5951 	cam_periph_assert(periph, MA_OWNED);
5952 
5953 	/*
5954 	 * Automatically detect devices that do not support
5955 	 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
5956 	 */
5957 	error = 0;
5958 	if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
5959 		error = cmd6workaround(ccb);
5960 	} else if (scsi_extract_sense_ccb(ccb,
5961 	    &error_code, &sense_key, &asc, &ascq)) {
5962 		if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
5963 			error = cmd6workaround(ccb);
5964 		/*
5965 		 * If the target replied with CAPACITY DATA HAS CHANGED UA,
5966 		 * query the capacity and notify upper layers.
5967 		 */
5968 		else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5969 		    asc == 0x2A && ascq == 0x09) {
5970 			xpt_print(periph->path, "Capacity data has changed\n");
5971 			softc->flags &= ~DA_FLAG_PROBED;
5972 			dareprobe(periph);
5973 			sense_flags |= SF_NO_PRINT;
5974 		} else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5975 		    asc == 0x28 && ascq == 0x00) {
5976 			softc->flags &= ~DA_FLAG_PROBED;
5977 			disk_media_changed(softc->disk, M_NOWAIT);
5978 		} else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5979 		    asc == 0x3F && ascq == 0x03) {
5980 			xpt_print(periph->path, "INQUIRY data has changed\n");
5981 			softc->flags &= ~DA_FLAG_PROBED;
5982 			dareprobe(periph);
5983 			sense_flags |= SF_NO_PRINT;
5984 		} else if (sense_key == SSD_KEY_NOT_READY &&
5985 		    asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
5986 			softc->flags |= DA_FLAG_PACK_INVALID;
5987 			disk_media_gone(softc->disk, M_NOWAIT);
5988 		}
5989 	}
5990 	if (error == ERESTART)
5991 		return (ERESTART);
5992 
5993 #ifdef CAM_IO_STATS
5994 	switch (ccb->ccb_h.status & CAM_STATUS_MASK) {
5995 	case CAM_CMD_TIMEOUT:
5996 		softc->timeouts++;
5997 		break;
5998 	case CAM_REQ_ABORTED:
5999 	case CAM_REQ_CMP_ERR:
6000 	case CAM_REQ_TERMIO:
6001 	case CAM_UNREC_HBA_ERROR:
6002 	case CAM_DATA_RUN_ERR:
6003 	case CAM_SCSI_STATUS_ERROR:
6004 	case CAM_ATA_STATUS_ERROR:
6005 		softc->errors++;
6006 		break;
6007 	default:
6008 		break;
6009 	}
6010 #endif
6011 
6012 	/*
6013 	 * XXX
6014 	 * Until we have a better way of doing pack validation,
6015 	 * don't treat UAs as errors.
6016 	 */
6017 	sense_flags |= SF_RETRY_UA;
6018 
6019 	if (softc->quirks & DA_Q_RETRY_BUSY)
6020 		sense_flags |= SF_RETRY_BUSY;
6021 	return(cam_periph_error(ccb, cam_flags, sense_flags));
6022 }
6023 
6024 static void
6025 damediapoll(void *arg)
6026 {
6027 	struct cam_periph *periph = arg;
6028 	struct da_softc *softc = periph->softc;
6029 
6030 	if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR) &&
6031 	    (softc->flags & DA_FLAG_TUR_PENDING) == 0 &&
6032 	    softc->state == DA_STATE_NORMAL &&
6033 	    LIST_EMPTY(&softc->pending_ccbs)) {
6034 		if (da_periph_acquire(periph, DA_REF_TUR) == 0) {
6035 			cam_iosched_set_work_flags(softc->cam_iosched, DA_WORK_TUR);
6036 			daschedule(periph);
6037 		}
6038 	}
6039 
6040 	/* Queue us up again */
6041 	if (da_poll_period != 0) {
6042 		callout_schedule_sbt(&softc->mediapoll_c,
6043 		    da_poll_period * SBT_1S, 0, C_PREL(1));
6044 	}
6045 }
6046 
6047 static void
6048 daprevent(struct cam_periph *periph, int action)
6049 {
6050 	struct	da_softc *softc;
6051 	union	ccb *ccb;
6052 	int	error;
6053 
6054 	cam_periph_assert(periph, MA_OWNED);
6055 	softc = (struct da_softc *)periph->softc;
6056 
6057 	if (((action == PR_ALLOW)
6058 	  && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
6059 	 || ((action == PR_PREVENT)
6060 	  && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
6061 		return;
6062 	}
6063 
6064 	ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
6065 
6066 	scsi_prevent(&ccb->csio,
6067 		     /*retries*/1,
6068 		     /*cbcfp*/NULL,
6069 		     MSG_SIMPLE_Q_TAG,
6070 		     action,
6071 		     SSD_FULL_SIZE,
6072 		     5000);
6073 
6074 	error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
6075 	    SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat);
6076 
6077 	if (error == 0) {
6078 		if (action == PR_ALLOW)
6079 			softc->flags &= ~DA_FLAG_PACK_LOCKED;
6080 		else
6081 			softc->flags |= DA_FLAG_PACK_LOCKED;
6082 	}
6083 
6084 	xpt_release_ccb(ccb);
6085 }
6086 
6087 static void
6088 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
6089 	  struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
6090 {
6091 	struct ccb_calc_geometry ccg;
6092 	struct da_softc *softc;
6093 	struct disk_params *dp;
6094 	u_int lbppbe, lalba;
6095 	int error;
6096 
6097 	softc = (struct da_softc *)periph->softc;
6098 
6099 	dp = &softc->params;
6100 	dp->secsize = block_len;
6101 	dp->sectors = maxsector + 1;
6102 	if (rcaplong != NULL) {
6103 		lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
6104 		lalba = scsi_2btoul(rcaplong->lalba_lbp);
6105 		lalba &= SRC16_LALBA_A;
6106 		if (rcaplong->prot & SRC16_PROT_EN)
6107 			softc->p_type = ((rcaplong->prot & SRC16_P_TYPE) >>
6108 			    SRC16_P_TYPE_SHIFT) + 1;
6109 		else
6110 			softc->p_type = 0;
6111 	} else {
6112 		lbppbe = 0;
6113 		lalba = 0;
6114 		softc->p_type = 0;
6115 	}
6116 
6117 	if (lbppbe > 0) {
6118 		dp->stripesize = block_len << lbppbe;
6119 		dp->stripeoffset = (dp->stripesize - block_len * lalba) %
6120 		    dp->stripesize;
6121 	} else if (softc->quirks & DA_Q_4K) {
6122 		dp->stripesize = 4096;
6123 		dp->stripeoffset = 0;
6124 	} else if (softc->unmap_gran != 0) {
6125 		dp->stripesize = block_len * softc->unmap_gran;
6126 		dp->stripeoffset = (dp->stripesize - block_len *
6127 		    softc->unmap_gran_align) % dp->stripesize;
6128 	} else {
6129 		dp->stripesize = 0;
6130 		dp->stripeoffset = 0;
6131 	}
6132 	/*
6133 	 * Have the controller provide us with a geometry
6134 	 * for this disk.  The only time the geometry
6135 	 * matters is when we boot and the controller
6136 	 * is the only one knowledgeable enough to come
6137 	 * up with something that will make this a bootable
6138 	 * device.
6139 	 */
6140 	memset(&ccg, 0, sizeof(ccg));
6141 	xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
6142 	ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
6143 	ccg.block_size = dp->secsize;
6144 	ccg.volume_size = dp->sectors;
6145 	ccg.heads = 0;
6146 	ccg.secs_per_track = 0;
6147 	ccg.cylinders = 0;
6148 	xpt_action((union ccb*)&ccg);
6149 	if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
6150 		/*
6151 		 * We don't know what went wrong here- but just pick
6152 		 * a geometry so we don't have nasty things like divide
6153 		 * by zero.
6154 		 */
6155 		dp->heads = 255;
6156 		dp->secs_per_track = 255;
6157 		dp->cylinders = dp->sectors / (255 * 255);
6158 		if (dp->cylinders == 0) {
6159 			dp->cylinders = 1;
6160 		}
6161 	} else {
6162 		dp->heads = ccg.heads;
6163 		dp->secs_per_track = ccg.secs_per_track;
6164 		dp->cylinders = ccg.cylinders;
6165 	}
6166 
6167 	/*
6168 	 * If the user supplied a read capacity buffer, and if it is
6169 	 * different than the previous buffer, update the data in the EDT.
6170 	 * If it's the same, we don't bother.  This avoids sending an
6171 	 * update every time someone opens this device.
6172 	 */
6173 	if ((rcaplong != NULL)
6174 	 && (bcmp(rcaplong, &softc->rcaplong,
6175 		  min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
6176 		struct ccb_dev_advinfo cdai;
6177 
6178 		memset(&cdai, 0, sizeof(cdai));
6179 		xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
6180 		cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
6181 		cdai.buftype = CDAI_TYPE_RCAPLONG;
6182 		cdai.flags = CDAI_FLAG_STORE;
6183 		cdai.bufsiz = rcap_len;
6184 		cdai.buf = (uint8_t *)rcaplong;
6185 		xpt_action((union ccb *)&cdai);
6186 		if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
6187 			cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
6188 		if (cdai.ccb_h.status != CAM_REQ_CMP) {
6189 			xpt_print(periph->path, "%s: failed to set read "
6190 				  "capacity advinfo\n", __func__);
6191 			/* Use cam_error_print() to decode the status */
6192 			cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
6193 					CAM_EPF_ALL);
6194 		} else {
6195 			bcopy(rcaplong, &softc->rcaplong,
6196 			      min(sizeof(softc->rcaplong), rcap_len));
6197 		}
6198 	}
6199 
6200 	softc->disk->d_sectorsize = softc->params.secsize;
6201 	softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
6202 	softc->disk->d_stripesize = softc->params.stripesize;
6203 	softc->disk->d_stripeoffset = softc->params.stripeoffset;
6204 	/* XXX: these are not actually "firmware" values, so they may be wrong */
6205 	softc->disk->d_fwsectors = softc->params.secs_per_track;
6206 	softc->disk->d_fwheads = softc->params.heads;
6207 	softc->disk->d_devstat->block_size = softc->params.secsize;
6208 	softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
6209 
6210 	error = disk_resize(softc->disk, M_NOWAIT);
6211 	if (error != 0)
6212 		xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error);
6213 }
6214 
6215 static void
6216 dasendorderedtag(void *arg)
6217 {
6218 	struct cam_periph *periph = arg;
6219 	struct da_softc *softc = periph->softc;
6220 
6221 	cam_periph_assert(periph, MA_OWNED);
6222 	if (da_send_ordered) {
6223 		if (!LIST_EMPTY(&softc->pending_ccbs)) {
6224 			if ((softc->flags & DA_FLAG_WAS_OTAG) == 0)
6225 				softc->flags |= DA_FLAG_NEED_OTAG;
6226 			softc->flags &= ~DA_FLAG_WAS_OTAG;
6227 		}
6228 	}
6229 
6230 	/* Queue us up again */
6231 	callout_schedule_sbt(&softc->sendordered_c,
6232 	    SBT_1S / DA_ORDEREDTAG_INTERVAL * da_default_timeout, 0,
6233 	    C_PREL(1));
6234 }
6235 
6236 /*
6237  * Step through all DA peripheral drivers, and if the device is still open,
6238  * sync the disk cache to physical media.
6239  */
6240 static void
6241 dashutdown(void * arg, int howto)
6242 {
6243 	struct cam_periph *periph;
6244 	struct da_softc *softc;
6245 	union ccb *ccb;
6246 	int error;
6247 
6248 	if ((howto & RB_NOSYNC) != 0)
6249 		return;
6250 
6251 	CAM_PERIPH_FOREACH(periph, &dadriver) {
6252 		softc = (struct da_softc *)periph->softc;
6253 		if (SCHEDULER_STOPPED()) {
6254 			/* If we paniced with the lock held, do not recurse. */
6255 			if (!cam_periph_owned(periph) &&
6256 			    (softc->flags & DA_FLAG_OPEN)) {
6257 				dadump(softc->disk, NULL, 0, 0);
6258 			}
6259 			continue;
6260 		}
6261 		cam_periph_lock(periph);
6262 
6263 		/*
6264 		 * We only sync the cache if the drive is still open, and
6265 		 * if the drive is capable of it..
6266 		 */
6267 		if (((softc->flags & DA_FLAG_OPEN) == 0)
6268 		 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
6269 			cam_periph_unlock(periph);
6270 			continue;
6271 		}
6272 
6273 		ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
6274 		scsi_synchronize_cache(&ccb->csio,
6275 				       /*retries*/0,
6276 				       /*cbfcnp*/NULL,
6277 				       MSG_SIMPLE_Q_TAG,
6278 				       /*begin_lba*/0, /* whole disk */
6279 				       /*lb_count*/0,
6280 				       SSD_FULL_SIZE,
6281 				       60 * 60 * 1000);
6282 
6283 		error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
6284 		    /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
6285 		    softc->disk->d_devstat);
6286 		if (error != 0)
6287 			xpt_print(periph->path, "Synchronize cache failed\n");
6288 		xpt_release_ccb(ccb);
6289 		cam_periph_unlock(periph);
6290 	}
6291 }
6292 
6293 #else /* !_KERNEL */
6294 
6295 /*
6296  * XXX These are only left out of the kernel build to silence warnings.  If,
6297  * for some reason these functions are used in the kernel, the ifdefs should
6298  * be moved so they are included both in the kernel and userland.
6299  */
6300 void
6301 scsi_format_unit(struct ccb_scsiio *csio, uint32_t retries,
6302 		 void (*cbfcnp)(struct cam_periph *, union ccb *),
6303 		 uint8_t tag_action, uint8_t byte2, uint16_t ileave,
6304 		 uint8_t *data_ptr, uint32_t dxfer_len, uint8_t sense_len,
6305 		 uint32_t timeout)
6306 {
6307 	struct scsi_format_unit *scsi_cmd;
6308 
6309 	scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
6310 	scsi_cmd->opcode = FORMAT_UNIT;
6311 	scsi_cmd->byte2 = byte2;
6312 	scsi_ulto2b(ileave, scsi_cmd->interleave);
6313 
6314 	cam_fill_csio(csio,
6315 		      retries,
6316 		      cbfcnp,
6317 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6318 		      tag_action,
6319 		      data_ptr,
6320 		      dxfer_len,
6321 		      sense_len,
6322 		      sizeof(*scsi_cmd),
6323 		      timeout);
6324 }
6325 
6326 void
6327 scsi_read_defects(struct ccb_scsiio *csio, uint32_t retries,
6328 		  void (*cbfcnp)(struct cam_periph *, union ccb *),
6329 		  uint8_t tag_action, uint8_t list_format,
6330 		  uint32_t addr_desc_index, uint8_t *data_ptr,
6331 		  uint32_t dxfer_len, int minimum_cmd_size,
6332 		  uint8_t sense_len, uint32_t timeout)
6333 {
6334 	uint8_t cdb_len;
6335 
6336 	/*
6337 	 * These conditions allow using the 10 byte command.  Otherwise we
6338 	 * need to use the 12 byte command.
6339 	 */
6340 	if ((minimum_cmd_size <= 10)
6341 	 && (addr_desc_index == 0)
6342 	 && (dxfer_len <= SRDD10_MAX_LENGTH)) {
6343 		struct scsi_read_defect_data_10 *cdb10;
6344 
6345 		cdb10 = (struct scsi_read_defect_data_10 *)
6346 			&csio->cdb_io.cdb_bytes;
6347 
6348 		cdb_len = sizeof(*cdb10);
6349 		bzero(cdb10, cdb_len);
6350                 cdb10->opcode = READ_DEFECT_DATA_10;
6351                 cdb10->format = list_format;
6352                 scsi_ulto2b(dxfer_len, cdb10->alloc_length);
6353 	} else {
6354 		struct scsi_read_defect_data_12 *cdb12;
6355 
6356 		cdb12 = (struct scsi_read_defect_data_12 *)
6357 			&csio->cdb_io.cdb_bytes;
6358 
6359 		cdb_len = sizeof(*cdb12);
6360 		bzero(cdb12, cdb_len);
6361                 cdb12->opcode = READ_DEFECT_DATA_12;
6362                 cdb12->format = list_format;
6363                 scsi_ulto4b(dxfer_len, cdb12->alloc_length);
6364 		scsi_ulto4b(addr_desc_index, cdb12->address_descriptor_index);
6365 	}
6366 
6367 	cam_fill_csio(csio,
6368 		      retries,
6369 		      cbfcnp,
6370 		      /*flags*/ CAM_DIR_IN,
6371 		      tag_action,
6372 		      data_ptr,
6373 		      dxfer_len,
6374 		      sense_len,
6375 		      cdb_len,
6376 		      timeout);
6377 }
6378 
6379 void
6380 scsi_sanitize(struct ccb_scsiio *csio, uint32_t retries,
6381 	      void (*cbfcnp)(struct cam_periph *, union ccb *),
6382 	      uint8_t tag_action, uint8_t byte2, uint16_t control,
6383 	      uint8_t *data_ptr, uint32_t dxfer_len, uint8_t sense_len,
6384 	      uint32_t timeout)
6385 {
6386 	struct scsi_sanitize *scsi_cmd;
6387 
6388 	scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes;
6389 	scsi_cmd->opcode = SANITIZE;
6390 	scsi_cmd->byte2 = byte2;
6391 	scsi_cmd->control = control;
6392 	scsi_ulto2b(dxfer_len, scsi_cmd->length);
6393 
6394 	cam_fill_csio(csio,
6395 		      retries,
6396 		      cbfcnp,
6397 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6398 		      tag_action,
6399 		      data_ptr,
6400 		      dxfer_len,
6401 		      sense_len,
6402 		      sizeof(*scsi_cmd),
6403 		      timeout);
6404 }
6405 
6406 #endif /* _KERNEL */
6407 
6408 void
6409 scsi_zbc_out(struct ccb_scsiio *csio, uint32_t retries,
6410 	     void (*cbfcnp)(struct cam_periph *, union ccb *),
6411 	     uint8_t tag_action, uint8_t service_action, uint64_t zone_id,
6412 	     uint8_t zone_flags, uint8_t *data_ptr, uint32_t dxfer_len,
6413 	     uint8_t sense_len, uint32_t timeout)
6414 {
6415 	struct scsi_zbc_out *scsi_cmd;
6416 
6417 	scsi_cmd = (struct scsi_zbc_out *)&csio->cdb_io.cdb_bytes;
6418 	scsi_cmd->opcode = ZBC_OUT;
6419 	scsi_cmd->service_action = service_action;
6420 	scsi_u64to8b(zone_id, scsi_cmd->zone_id);
6421 	scsi_cmd->zone_flags = zone_flags;
6422 
6423 	cam_fill_csio(csio,
6424 		      retries,
6425 		      cbfcnp,
6426 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6427 		      tag_action,
6428 		      data_ptr,
6429 		      dxfer_len,
6430 		      sense_len,
6431 		      sizeof(*scsi_cmd),
6432 		      timeout);
6433 }
6434 
6435 void
6436 scsi_zbc_in(struct ccb_scsiio *csio, uint32_t retries,
6437 	    void (*cbfcnp)(struct cam_periph *, union ccb *),
6438 	    uint8_t tag_action, uint8_t service_action, uint64_t zone_start_lba,
6439 	    uint8_t zone_options, uint8_t *data_ptr, uint32_t dxfer_len,
6440 	    uint8_t sense_len, uint32_t timeout)
6441 {
6442 	struct scsi_zbc_in *scsi_cmd;
6443 
6444 	scsi_cmd = (struct scsi_zbc_in *)&csio->cdb_io.cdb_bytes;
6445 	scsi_cmd->opcode = ZBC_IN;
6446 	scsi_cmd->service_action = service_action;
6447 	scsi_ulto4b(dxfer_len, scsi_cmd->length);
6448 	scsi_u64to8b(zone_start_lba, scsi_cmd->zone_start_lba);
6449 	scsi_cmd->zone_options = zone_options;
6450 
6451 	cam_fill_csio(csio,
6452 		      retries,
6453 		      cbfcnp,
6454 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_IN : CAM_DIR_NONE,
6455 		      tag_action,
6456 		      data_ptr,
6457 		      dxfer_len,
6458 		      sense_len,
6459 		      sizeof(*scsi_cmd),
6460 		      timeout);
6461 
6462 }
6463 
6464 int
6465 scsi_ata_zac_mgmt_out(struct ccb_scsiio *csio, uint32_t retries,
6466 		      void (*cbfcnp)(struct cam_periph *, union ccb *),
6467 		      uint8_t tag_action, int use_ncq,
6468 		      uint8_t zm_action, uint64_t zone_id, uint8_t zone_flags,
6469 		      uint8_t *data_ptr, uint32_t dxfer_len,
6470 		      uint8_t *cdb_storage, size_t cdb_storage_len,
6471 		      uint8_t sense_len, uint32_t timeout)
6472 {
6473 	uint8_t command_out, protocol, ata_flags;
6474 	uint16_t features_out;
6475 	uint32_t sectors_out, auxiliary;
6476 	int retval;
6477 
6478 	retval = 0;
6479 
6480 	if (use_ncq == 0) {
6481 		command_out = ATA_ZAC_MANAGEMENT_OUT;
6482 		features_out = (zm_action & 0xf) | (zone_flags << 8);
6483 		ata_flags = AP_FLAG_BYT_BLOK_BLOCKS;
6484 		if (dxfer_len == 0) {
6485 			protocol = AP_PROTO_NON_DATA;
6486 			ata_flags |= AP_FLAG_TLEN_NO_DATA;
6487 			sectors_out = 0;
6488 		} else {
6489 			protocol = AP_PROTO_DMA;
6490 			ata_flags |= AP_FLAG_TLEN_SECT_CNT |
6491 				     AP_FLAG_TDIR_TO_DEV;
6492 			sectors_out = ((dxfer_len >> 9) & 0xffff);
6493 		}
6494 		auxiliary = 0;
6495 	} else {
6496 		ata_flags = AP_FLAG_BYT_BLOK_BLOCKS;
6497 		if (dxfer_len == 0) {
6498 			command_out = ATA_NCQ_NON_DATA;
6499 			features_out = ATA_NCQ_ZAC_MGMT_OUT;
6500 			/*
6501 			 * We're assuming the SCSI to ATA translation layer
6502 			 * will set the NCQ tag number in the tag field.
6503 			 * That isn't clear from the SAT-4 spec (as of rev 05).
6504 			 */
6505 			sectors_out = 0;
6506 			ata_flags |= AP_FLAG_TLEN_NO_DATA;
6507 		} else {
6508 			command_out = ATA_SEND_FPDMA_QUEUED;
6509 			/*
6510 			 * Note that we're defaulting to normal priority,
6511 			 * and assuming that the SCSI to ATA translation
6512 			 * layer will insert the NCQ tag number in the tag
6513 			 * field.  That isn't clear in the SAT-4 spec (as
6514 			 * of rev 05).
6515 			 */
6516 			sectors_out = ATA_SFPDMA_ZAC_MGMT_OUT << 8;
6517 
6518 			ata_flags |= AP_FLAG_TLEN_FEAT |
6519 				     AP_FLAG_TDIR_TO_DEV;
6520 
6521 			/*
6522 			 * For SEND FPDMA QUEUED, the transfer length is
6523 			 * encoded in the FEATURE register, and 0 means
6524 			 * that 65536 512 byte blocks are to be tranferred.
6525 			 * In practice, it seems unlikely that we'll see
6526 			 * a transfer that large, and it may confuse the
6527 			 * the SAT layer, because generally that means that
6528 			 * 0 bytes should be transferred.
6529 			 */
6530 			if (dxfer_len == (65536 * 512)) {
6531 				features_out = 0;
6532 			} else if (dxfer_len <= (65535 * 512)) {
6533 				features_out = ((dxfer_len >> 9) & 0xffff);
6534 			} else {
6535 				/* The transfer is too big. */
6536 				retval = 1;
6537 				goto bailout;
6538 			}
6539 		}
6540 
6541 		auxiliary = (zm_action & 0xf) | (zone_flags << 8);
6542 		protocol = AP_PROTO_FPDMA;
6543 	}
6544 
6545 	protocol |= AP_EXTEND;
6546 
6547 	retval = scsi_ata_pass(csio,
6548 	    retries,
6549 	    cbfcnp,
6550 	    /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6551 	    tag_action,
6552 	    /*protocol*/ protocol,
6553 	    /*ata_flags*/ ata_flags,
6554 	    /*features*/ features_out,
6555 	    /*sector_count*/ sectors_out,
6556 	    /*lba*/ zone_id,
6557 	    /*command*/ command_out,
6558 	    /*device*/ 0,
6559 	    /*icc*/ 0,
6560 	    /*auxiliary*/ auxiliary,
6561 	    /*control*/ 0,
6562 	    /*data_ptr*/ data_ptr,
6563 	    /*dxfer_len*/ dxfer_len,
6564 	    /*cdb_storage*/ cdb_storage,
6565 	    /*cdb_storage_len*/ cdb_storage_len,
6566 	    /*minimum_cmd_size*/ 0,
6567 	    /*sense_len*/ SSD_FULL_SIZE,
6568 	    /*timeout*/ timeout);
6569 
6570 bailout:
6571 
6572 	return (retval);
6573 }
6574 
6575 int
6576 scsi_ata_zac_mgmt_in(struct ccb_scsiio *csio, uint32_t retries,
6577 		     void (*cbfcnp)(struct cam_periph *, union ccb *),
6578 		     uint8_t tag_action, int use_ncq,
6579 		     uint8_t zm_action, uint64_t zone_id, uint8_t zone_flags,
6580 		     uint8_t *data_ptr, uint32_t dxfer_len,
6581 		     uint8_t *cdb_storage, size_t cdb_storage_len,
6582 		     uint8_t sense_len, uint32_t timeout)
6583 {
6584 	uint8_t command_out, protocol;
6585 	uint16_t features_out, sectors_out;
6586 	uint32_t auxiliary;
6587 	int ata_flags;
6588 	int retval;
6589 
6590 	retval = 0;
6591 	ata_flags = AP_FLAG_TDIR_FROM_DEV | AP_FLAG_BYT_BLOK_BLOCKS;
6592 
6593 	if (use_ncq == 0) {
6594 		command_out = ATA_ZAC_MANAGEMENT_IN;
6595 		/* XXX KDM put a macro here */
6596 		features_out = (zm_action & 0xf) | (zone_flags << 8);
6597 		sectors_out = dxfer_len >> 9; /* XXX KDM macro */
6598 		protocol = AP_PROTO_DMA;
6599 		ata_flags |= AP_FLAG_TLEN_SECT_CNT;
6600 		auxiliary = 0;
6601 	} else {
6602 		ata_flags |= AP_FLAG_TLEN_FEAT;
6603 
6604 		command_out = ATA_RECV_FPDMA_QUEUED;
6605 		sectors_out = ATA_RFPDMA_ZAC_MGMT_IN << 8;
6606 
6607 		/*
6608 		 * For RECEIVE FPDMA QUEUED, the transfer length is
6609 		 * encoded in the FEATURE register, and 0 means
6610 		 * that 65536 512 byte blocks are to be tranferred.
6611 		 * In practice, it seems unlikely that we'll see
6612 		 * a transfer that large, and it may confuse the
6613 		 * the SAT layer, because generally that means that
6614 		 * 0 bytes should be transferred.
6615 		 */
6616 		if (dxfer_len == (65536 * 512)) {
6617 			features_out = 0;
6618 		} else if (dxfer_len <= (65535 * 512)) {
6619 			features_out = ((dxfer_len >> 9) & 0xffff);
6620 		} else {
6621 			/* The transfer is too big. */
6622 			retval = 1;
6623 			goto bailout;
6624 		}
6625 		auxiliary = (zm_action & 0xf) | (zone_flags << 8),
6626 		protocol = AP_PROTO_FPDMA;
6627 	}
6628 
6629 	protocol |= AP_EXTEND;
6630 
6631 	retval = scsi_ata_pass(csio,
6632 	    retries,
6633 	    cbfcnp,
6634 	    /*flags*/ CAM_DIR_IN,
6635 	    tag_action,
6636 	    /*protocol*/ protocol,
6637 	    /*ata_flags*/ ata_flags,
6638 	    /*features*/ features_out,
6639 	    /*sector_count*/ sectors_out,
6640 	    /*lba*/ zone_id,
6641 	    /*command*/ command_out,
6642 	    /*device*/ 0,
6643 	    /*icc*/ 0,
6644 	    /*auxiliary*/ auxiliary,
6645 	    /*control*/ 0,
6646 	    /*data_ptr*/ data_ptr,
6647 	    /*dxfer_len*/ (dxfer_len >> 9) * 512, /* XXX KDM */
6648 	    /*cdb_storage*/ cdb_storage,
6649 	    /*cdb_storage_len*/ cdb_storage_len,
6650 	    /*minimum_cmd_size*/ 0,
6651 	    /*sense_len*/ SSD_FULL_SIZE,
6652 	    /*timeout*/ timeout);
6653 
6654 bailout:
6655 	return (retval);
6656 }
6657