xref: /freebsd/sys/cam/scsi/scsi_da.c (revision 315ee00f)
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/cdefs.h>
32 #include <sys/param.h>
33 
34 #ifdef _KERNEL
35 #include "opt_da.h"
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
38 #include <sys/bio.h>
39 #include <sys/sysctl.h>
40 #include <sys/taskqueue.h>
41 #include <sys/lock.h>
42 #include <sys/mutex.h>
43 #include <sys/conf.h>
44 #include <sys/devicestat.h>
45 #include <sys/eventhandler.h>
46 #include <sys/malloc.h>
47 #include <sys/cons.h>
48 #include <sys/endian.h>
49 #include <sys/proc.h>
50 #include <sys/reboot.h>
51 #include <sys/sbuf.h>
52 #include <geom/geom.h>
53 #include <geom/geom_disk.h>
54 #include <machine/atomic.h>
55 #endif /* _KERNEL */
56 
57 #ifndef _KERNEL
58 #include <stdio.h>
59 #include <string.h>
60 #endif /* _KERNEL */
61 
62 #include <cam/cam.h>
63 #include <cam/cam_ccb.h>
64 #include <cam/cam_periph.h>
65 #include <cam/cam_xpt_periph.h>
66 #ifdef _KERNEL
67 #include <cam/cam_xpt_internal.h>
68 #endif /* _KERNEL */
69 #include <cam/cam_sim.h>
70 #include <cam/cam_iosched.h>
71 
72 #include <cam/scsi/scsi_message.h>
73 #include <cam/scsi/scsi_da.h>
74 
75 #ifdef _KERNEL
76 /*
77  * Note that there are probe ordering dependencies here.  The order isn't
78  * controlled by this enumeration, but by explicit state transitions in
79  * dastart() and dadone().  Here are some of the dependencies:
80  *
81  * 1. RC should come first, before RC16, unless there is evidence that RC16
82  *    is supported.
83  * 2. BDC needs to come before any of the ATA probes, or the ZONE probe.
84  * 3. The ATA probes should go in this order:
85  *    ATA -> LOGDIR -> IDDIR -> SUP -> ATA_ZONE
86  */
87 typedef enum {
88 	DA_STATE_PROBE_WP,
89 	DA_STATE_PROBE_RC,
90 	DA_STATE_PROBE_RC16,
91 	DA_STATE_PROBE_LBP,
92 	DA_STATE_PROBE_BLK_LIMITS,
93 	DA_STATE_PROBE_BDC,
94 	DA_STATE_PROBE_ATA,
95 	DA_STATE_PROBE_ATA_LOGDIR,
96 	DA_STATE_PROBE_ATA_IDDIR,
97 	DA_STATE_PROBE_ATA_SUP,
98 	DA_STATE_PROBE_ATA_ZONE,
99 	DA_STATE_PROBE_ZONE,
100 	DA_STATE_NORMAL
101 } da_state;
102 
103 typedef enum {
104 	DA_FLAG_PACK_INVALID	= 0x000001,
105 	DA_FLAG_NEW_PACK	= 0x000002,
106 	DA_FLAG_PACK_LOCKED	= 0x000004,
107 	DA_FLAG_PACK_REMOVABLE	= 0x000008,
108 	DA_FLAG_ROTATING	= 0x000010,
109 	DA_FLAG_NEED_OTAG	= 0x000020,
110 	DA_FLAG_WAS_OTAG	= 0x000040,
111 	DA_FLAG_RETRY_UA	= 0x000080,
112 	DA_FLAG_OPEN		= 0x000100,
113 	DA_FLAG_SCTX_INIT	= 0x000200,
114 	DA_FLAG_CAN_RC16	= 0x000400,
115 	DA_FLAG_PROBED		= 0x000800,
116 	DA_FLAG_DIRTY		= 0x001000,
117 	DA_FLAG_ANNOUNCED	= 0x002000,
118 	DA_FLAG_CAN_ATA_DMA	= 0x004000,
119 	DA_FLAG_CAN_ATA_LOG	= 0x008000,
120 	DA_FLAG_CAN_ATA_IDLOG	= 0x010000,
121 	DA_FLAG_CAN_ATA_SUPCAP	= 0x020000,
122 	DA_FLAG_CAN_ATA_ZONE	= 0x040000,
123 	DA_FLAG_TUR_PENDING	= 0x080000,
124 	DA_FLAG_UNMAPPEDIO	= 0x100000
125 } da_flags;
126 #define DA_FLAG_STRING		\
127 	"\020"			\
128 	"\001PACK_INVALID"	\
129 	"\002NEW_PACK"		\
130 	"\003PACK_LOCKED"	\
131 	"\004PACK_REMOVABLE"	\
132 	"\005ROTATING"		\
133 	"\006NEED_OTAG"		\
134 	"\007WAS_OTAG"		\
135 	"\010RETRY_UA"		\
136 	"\011OPEN"		\
137 	"\012SCTX_INIT"		\
138 	"\013CAN_RC16"		\
139 	"\014PROBED"		\
140 	"\015DIRTY"		\
141 	"\016ANNOUCNED"		\
142 	"\017CAN_ATA_DMA"	\
143 	"\020CAN_ATA_LOG"	\
144 	"\021CAN_ATA_IDLOG"	\
145 	"\022CAN_ATA_SUPACP"	\
146 	"\023CAN_ATA_ZONE"	\
147 	"\024TUR_PENDING"	\
148 	"\025UNMAPPEDIO"
149 
150 typedef enum {
151 	DA_Q_NONE		= 0x00,
152 	DA_Q_NO_SYNC_CACHE	= 0x01,
153 	DA_Q_NO_6_BYTE		= 0x02,
154 	DA_Q_NO_PREVENT		= 0x04,
155 	DA_Q_4K			= 0x08,
156 	DA_Q_NO_RC16		= 0x10,
157 	DA_Q_NO_UNMAP		= 0x20,
158 	DA_Q_RETRY_BUSY		= 0x40,
159 	DA_Q_SMR_DM		= 0x80,
160 	DA_Q_STRICT_UNMAP	= 0x100,
161 	DA_Q_128KB		= 0x200
162 } da_quirks;
163 
164 #define DA_Q_BIT_STRING		\
165 	"\020"			\
166 	"\001NO_SYNC_CACHE"	\
167 	"\002NO_6_BYTE"		\
168 	"\003NO_PREVENT"	\
169 	"\0044K"		\
170 	"\005NO_RC16"		\
171 	"\006NO_UNMAP"		\
172 	"\007RETRY_BUSY"	\
173 	"\010SMR_DM"		\
174 	"\011STRICT_UNMAP"	\
175 	"\012128KB"
176 
177 typedef enum {
178 	DA_CCB_PROBE_RC		= 0x01,
179 	DA_CCB_PROBE_RC16	= 0x02,
180 	DA_CCB_PROBE_LBP	= 0x03,
181 	DA_CCB_PROBE_BLK_LIMITS	= 0x04,
182 	DA_CCB_PROBE_BDC	= 0x05,
183 	DA_CCB_PROBE_ATA	= 0x06,
184 	DA_CCB_BUFFER_IO	= 0x07,
185 	DA_CCB_DUMP		= 0x0A,
186 	DA_CCB_DELETE		= 0x0B,
187 	DA_CCB_TUR		= 0x0C,
188 	DA_CCB_PROBE_ZONE	= 0x0D,
189 	DA_CCB_PROBE_ATA_LOGDIR	= 0x0E,
190 	DA_CCB_PROBE_ATA_IDDIR	= 0x0F,
191 	DA_CCB_PROBE_ATA_SUP	= 0x10,
192 	DA_CCB_PROBE_ATA_ZONE	= 0x11,
193 	DA_CCB_PROBE_WP		= 0x12,
194 	DA_CCB_TYPE_MASK	= 0x1F,
195 	DA_CCB_RETRY_UA		= 0x20
196 } da_ccb_state;
197 
198 /*
199  * Order here is important for method choice
200  *
201  * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to
202  * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes
203  * using ATA_TRIM than the corresponding UNMAP results for a real world mysql
204  * import taking 5mins.
205  *
206  */
207 typedef enum {
208 	DA_DELETE_NONE,
209 	DA_DELETE_DISABLE,
210 	DA_DELETE_ATA_TRIM,
211 	DA_DELETE_UNMAP,
212 	DA_DELETE_WS16,
213 	DA_DELETE_WS10,
214 	DA_DELETE_ZERO,
215 	DA_DELETE_MIN = DA_DELETE_ATA_TRIM,
216 	DA_DELETE_MAX = DA_DELETE_ZERO
217 } da_delete_methods;
218 
219 /*
220  * For SCSI, host managed drives show up as a separate device type.  For
221  * ATA, host managed drives also have a different device signature.
222  * XXX KDM figure out the ATA host managed signature.
223  */
224 typedef enum {
225 	DA_ZONE_NONE		= 0x00,
226 	DA_ZONE_DRIVE_MANAGED	= 0x01,
227 	DA_ZONE_HOST_AWARE	= 0x02,
228 	DA_ZONE_HOST_MANAGED	= 0x03
229 } da_zone_mode;
230 
231 /*
232  * We distinguish between these interface cases in addition to the drive type:
233  * o ATA drive behind a SCSI translation layer that knows about ZBC/ZAC
234  * o ATA drive behind a SCSI translation layer that does not know about
235  *   ZBC/ZAC, and so needs to be managed via ATA passthrough.  In this
236  *   case, we would need to share the ATA code with the ada(4) driver.
237  * o SCSI drive.
238  */
239 typedef enum {
240 	DA_ZONE_IF_SCSI,
241 	DA_ZONE_IF_ATA_PASS,
242 	DA_ZONE_IF_ATA_SAT,
243 } da_zone_interface;
244 
245 typedef enum {
246 	DA_ZONE_FLAG_RZ_SUP		= 0x0001,
247 	DA_ZONE_FLAG_OPEN_SUP		= 0x0002,
248 	DA_ZONE_FLAG_CLOSE_SUP		= 0x0004,
249 	DA_ZONE_FLAG_FINISH_SUP		= 0x0008,
250 	DA_ZONE_FLAG_RWP_SUP		= 0x0010,
251 	DA_ZONE_FLAG_SUP_MASK		= (DA_ZONE_FLAG_RZ_SUP |
252 					   DA_ZONE_FLAG_OPEN_SUP |
253 					   DA_ZONE_FLAG_CLOSE_SUP |
254 					   DA_ZONE_FLAG_FINISH_SUP |
255 					   DA_ZONE_FLAG_RWP_SUP),
256 	DA_ZONE_FLAG_URSWRZ		= 0x0020,
257 	DA_ZONE_FLAG_OPT_SEQ_SET	= 0x0040,
258 	DA_ZONE_FLAG_OPT_NONSEQ_SET	= 0x0080,
259 	DA_ZONE_FLAG_MAX_SEQ_SET	= 0x0100,
260 	DA_ZONE_FLAG_SET_MASK		= (DA_ZONE_FLAG_OPT_SEQ_SET |
261 					   DA_ZONE_FLAG_OPT_NONSEQ_SET |
262 					   DA_ZONE_FLAG_MAX_SEQ_SET)
263 } da_zone_flags;
264 
265 static struct da_zone_desc {
266 	da_zone_flags value;
267 	const char *desc;
268 } da_zone_desc_table[] = {
269 	{DA_ZONE_FLAG_RZ_SUP, "Report Zones" },
270 	{DA_ZONE_FLAG_OPEN_SUP, "Open" },
271 	{DA_ZONE_FLAG_CLOSE_SUP, "Close" },
272 	{DA_ZONE_FLAG_FINISH_SUP, "Finish" },
273 	{DA_ZONE_FLAG_RWP_SUP, "Reset Write Pointer" },
274 };
275 
276 typedef void da_delete_func_t (struct cam_periph *periph, union ccb *ccb,
277 			      struct bio *bp);
278 static da_delete_func_t da_delete_trim;
279 static da_delete_func_t da_delete_unmap;
280 static da_delete_func_t da_delete_ws;
281 
282 static const void * da_delete_functions[] = {
283 	NULL,
284 	NULL,
285 	da_delete_trim,
286 	da_delete_unmap,
287 	da_delete_ws,
288 	da_delete_ws,
289 	da_delete_ws
290 };
291 
292 static const char *da_delete_method_names[] =
293     { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" };
294 static const char *da_delete_method_desc[] =
295     { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP",
296       "WRITE SAME(10) with UNMAP", "ZERO" };
297 
298 /* Offsets into our private area for storing information */
299 #define ccb_state	ppriv_field0
300 #define ccb_bp		ppriv_ptr1
301 
302 struct disk_params {
303 	uint8_t  heads;
304 	uint32_t cylinders;
305 	uint8_t  secs_per_track;
306 	uint32_t secsize;	/* Number of bytes/sector */
307 	uint64_t sectors;	/* total number sectors */
308 	u_int     stripesize;
309 	u_int     stripeoffset;
310 };
311 
312 #define UNMAP_RANGE_MAX		0xffffffff
313 #define UNMAP_HEAD_SIZE		8
314 #define UNMAP_RANGE_SIZE	16
315 #define UNMAP_MAX_RANGES	2048 /* Protocol Max is 4095 */
316 #define UNMAP_BUF_SIZE		((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \
317 				UNMAP_HEAD_SIZE)
318 
319 #define WS10_MAX_BLKS		0xffff
320 #define WS16_MAX_BLKS		0xffffffff
321 #define ATA_TRIM_MAX_RANGES	((UNMAP_BUF_SIZE / \
322 	(ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE)
323 
324 #define DA_WORK_TUR		(1 << 16)
325 
326 typedef enum {
327 	DA_REF_OPEN = 1,
328 	DA_REF_OPEN_HOLD,
329 	DA_REF_CLOSE_HOLD,
330 	DA_REF_TUR,
331 	DA_REF_GEOM,
332 	DA_REF_SYSCTL,
333 	DA_REF_REPROBE,
334 	DA_REF_MAX		/* KEEP LAST */
335 } da_ref_token;
336 
337 struct da_softc {
338 	struct   cam_iosched_softc *cam_iosched;
339 	struct	 bio_queue_head delete_run_queue;
340 	LIST_HEAD(, ccb_hdr) pending_ccbs;
341 	int	 refcount;		/* Active xpt_action() calls */
342 	da_state state;
343 	da_flags flags;
344 	da_quirks quirks;
345 	int	 minimum_cmd_size;
346 	int	 mode_page;
347 	int	 error_inject;
348 	int	 trim_max_ranges;
349 	int	 delete_available;	/* Delete methods possibly available */
350 	da_zone_mode			zone_mode;
351 	da_zone_interface		zone_interface;
352 	da_zone_flags			zone_flags;
353 	struct ata_gp_log_dir		ata_logdir;
354 	int				valid_logdir_len;
355 	struct ata_identify_log_pages	ata_iddir;
356 	int				valid_iddir_len;
357 	uint64_t			optimal_seq_zones;
358 	uint64_t			optimal_nonseq_zones;
359 	uint64_t			max_seq_zones;
360 	u_int			maxio;
361 	uint32_t		unmap_max_ranges;
362 	uint32_t		unmap_max_lba; /* Max LBAs in UNMAP req */
363 	uint32_t		unmap_gran;
364 	uint32_t		unmap_gran_align;
365 	uint64_t		ws_max_blks;
366 	uint64_t		trim_count;
367 	uint64_t		trim_ranges;
368 	uint64_t		trim_lbas;
369 	da_delete_methods	delete_method_pref;
370 	da_delete_methods	delete_method;
371 	da_delete_func_t	*delete_func;
372 	int			p_type;
373 	struct	 disk_params params;
374 	struct	 disk *disk;
375 	struct task		sysctl_task;
376 	struct sysctl_ctx_list	sysctl_ctx;
377 	struct sysctl_oid	*sysctl_tree;
378 	struct callout		sendordered_c;
379 	uint64_t wwpn;
380 	uint8_t	 unmap_buf[UNMAP_BUF_SIZE];
381 	struct scsi_read_capacity_data_long rcaplong;
382 	struct callout		mediapoll_c;
383 	int			ref_flags[DA_REF_MAX];
384 #ifdef CAM_IO_STATS
385 	struct sysctl_ctx_list	sysctl_stats_ctx;
386 	struct sysctl_oid	*sysctl_stats_tree;
387 	u_int	errors;
388 	u_int	timeouts;
389 	u_int	invalidations;
390 #endif
391 #define DA_ANNOUNCETMP_SZ 160
392 	char			announce_temp[DA_ANNOUNCETMP_SZ];
393 #define DA_ANNOUNCE_SZ 400
394 	char			announcebuf[DA_ANNOUNCE_SZ];
395 };
396 
397 #define dadeleteflag(softc, delete_method, enable)			\
398 	if (enable) {							\
399 		softc->delete_available |= (1 << delete_method);	\
400 	} else {							\
401 		softc->delete_available &= ~(1 << delete_method);	\
402 	}
403 
404 static uma_zone_t da_ccb_zone;
405 
406 struct da_quirk_entry {
407 	struct scsi_inquiry_pattern inq_pat;
408 	da_quirks quirks;
409 };
410 
411 static const char quantum[] = "QUANTUM";
412 static const char microp[] = "MICROP";
413 
414 static struct da_quirk_entry da_quirk_table[] =
415 {
416 	/* SPI, FC devices */
417 	{
418 		/*
419 		 * Fujitsu M2513A MO drives.
420 		 * Tested devices: M2513A2 firmware versions 1200 & 1300.
421 		 * (dip switch selects whether T_DIRECT or T_OPTICAL device)
422 		 * Reported by: W.Scholten <whs@xs4all.nl>
423 		 */
424 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
425 		/*quirks*/ DA_Q_NO_SYNC_CACHE
426 	},
427 	{
428 		/* See above. */
429 		{T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
430 		/*quirks*/ DA_Q_NO_SYNC_CACHE
431 	},
432 	{
433 		/*
434 		 * This particular Fujitsu drive doesn't like the
435 		 * synchronize cache command.
436 		 * Reported by: Tom Jackson <toj@gorilla.net>
437 		 */
438 		{T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
439 		/*quirks*/ DA_Q_NO_SYNC_CACHE
440 	},
441 	{
442 		/*
443 		 * This drive doesn't like the synchronize cache command
444 		 * either.  Reported by: Matthew Jacob <mjacob@feral.com>
445 		 * in NetBSD PR kern/6027, August 24, 1998.
446 		 */
447 		{T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
448 		/*quirks*/ DA_Q_NO_SYNC_CACHE
449 	},
450 	{
451 		/*
452 		 * This drive doesn't like the synchronize cache command
453 		 * either.  Reported by: Hellmuth Michaelis (hm@kts.org)
454 		 * (PR 8882).
455 		 */
456 		{T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
457 		/*quirks*/ DA_Q_NO_SYNC_CACHE
458 	},
459 	{
460 		/*
461 		 * Doesn't like the synchronize cache command.
462 		 * Reported by: Blaz Zupan <blaz@gold.amis.net>
463 		 */
464 		{T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
465 		/*quirks*/ DA_Q_NO_SYNC_CACHE
466 	},
467 	{
468 		/*
469 		 * Doesn't like the synchronize cache command.
470 		 * Reported by: Blaz Zupan <blaz@gold.amis.net>
471 		 */
472 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
473 		/*quirks*/ DA_Q_NO_SYNC_CACHE
474 	},
475 	{
476 		/*
477 		 * Doesn't like the synchronize cache command.
478 		 */
479 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
480 		/*quirks*/ DA_Q_NO_SYNC_CACHE
481 	},
482 	{
483 		/*
484 		 * Doesn't like the synchronize cache command.
485 		 * Reported by: walter@pelissero.de
486 		 */
487 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"},
488 		/*quirks*/ DA_Q_NO_SYNC_CACHE
489 	},
490 	{
491 		/*
492 		 * Doesn't work correctly with 6 byte reads/writes.
493 		 * Returns illegal request, and points to byte 9 of the
494 		 * 6-byte CDB.
495 		 * Reported by:  Adam McDougall <bsdx@spawnet.com>
496 		 */
497 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
498 		/*quirks*/ DA_Q_NO_6_BYTE
499 	},
500 	{
501 		/* See above. */
502 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
503 		/*quirks*/ DA_Q_NO_6_BYTE
504 	},
505 	{
506 		/*
507 		 * Doesn't like the synchronize cache command.
508 		 * Reported by: walter@pelissero.de
509 		 */
510 		{T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"},
511 		/*quirks*/ DA_Q_NO_SYNC_CACHE
512 	},
513 	{
514 		/*
515 		 * The CISS RAID controllers do not support SYNC_CACHE
516 		 */
517 		{T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
518 		/*quirks*/ DA_Q_NO_SYNC_CACHE
519 	},
520 	{
521 		/*
522 		 * The STEC SSDs sometimes hang on UNMAP.
523 		 */
524 		{T_DIRECT, SIP_MEDIA_FIXED, "STEC", "*", "*"},
525 		/*quirks*/ DA_Q_NO_UNMAP
526 	},
527 	{
528 		/*
529 		 * VMware returns BUSY status when storage has transient
530 		 * connectivity problems, so better wait.
531 		 * Also VMware returns odd errors on misaligned UNMAPs.
532 		 */
533 		{T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*"},
534 		/*quirks*/ DA_Q_RETRY_BUSY | DA_Q_STRICT_UNMAP
535 	},
536 	/* USB mass storage devices supported by umass(4) */
537 	{
538 		/*
539 		 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
540 		 * PR: kern/51675
541 		 */
542 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
543 		/*quirks*/ DA_Q_NO_SYNC_CACHE
544 	},
545 	{
546 		/*
547 		 * Power Quotient Int. (PQI) USB flash key
548 		 * PR: kern/53067
549 		 */
550 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*",
551 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
552 	},
553 	{
554 		/*
555 		 * Creative Nomad MUVO mp3 player (USB)
556 		 * PR: kern/53094
557 		 */
558 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
559 		/*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
560 	},
561 	{
562 		/*
563 		 * Jungsoft NEXDISK USB flash key
564 		 * PR: kern/54737
565 		 */
566 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
567 		/*quirks*/ DA_Q_NO_SYNC_CACHE
568 	},
569 	{
570 		/*
571 		 * FreeDik USB Mini Data Drive
572 		 * PR: kern/54786
573 		 */
574 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive",
575 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
576 	},
577 	{
578 		/*
579 		 * Sigmatel USB Flash MP3 Player
580 		 * PR: kern/57046
581 		 */
582 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"},
583 		/*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
584 	},
585 	{
586 		/*
587 		 * Neuros USB Digital Audio Computer
588 		 * PR: kern/63645
589 		 */
590 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.",
591 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
592 	},
593 	{
594 		/*
595 		 * SEAGRAND NP-900 MP3 Player
596 		 * PR: kern/64563
597 		 */
598 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"},
599 		/*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
600 	},
601 	{
602 		/*
603 		 * iRiver iFP MP3 player (with UMS Firmware)
604 		 * PR: kern/54881, i386/63941, kern/66124
605 		 */
606 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
607 		/*quirks*/ DA_Q_NO_SYNC_CACHE
608 	},
609 	{
610 		/*
611 		 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
612 		 * PR: kern/70158
613 		 */
614 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"},
615 		/*quirks*/ DA_Q_NO_SYNC_CACHE
616 	},
617 	{
618 		/*
619 		 * ZICPlay USB MP3 Player with FM
620 		 * PR: kern/75057
621 		 */
622 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"},
623 		/*quirks*/ DA_Q_NO_SYNC_CACHE
624 	},
625 	{
626 		/*
627 		 * TEAC USB floppy mechanisms
628 		 */
629 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"},
630 		/*quirks*/ DA_Q_NO_SYNC_CACHE
631 	},
632 	{
633 		/*
634 		 * Kingston DataTraveler II+ USB Pen-Drive.
635 		 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org>
636 		 */
637 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+",
638 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
639 	},
640 	{
641 		/*
642 		 * USB DISK Pro PMAP
643 		 * Reported by: jhs
644 		 * PR: usb/96381
645 		 */
646 		{T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"},
647 		/*quirks*/ DA_Q_NO_SYNC_CACHE
648 	},
649 	{
650 		/*
651 		 * Motorola E398 Mobile Phone (TransFlash memory card).
652 		 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl>
653 		 * PR: usb/89889
654 		 */
655 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone",
656 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
657 	},
658 	{
659 		/*
660 		 * Qware BeatZkey! Pro
661 		 * PR: usb/79164
662 		 */
663 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE",
664 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
665 	},
666 	{
667 		/*
668 		 * Time DPA20B 1GB MP3 Player
669 		 * PR: usb/81846
670 		 */
671 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*",
672 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
673 	},
674 	{
675 		/*
676 		 * Samsung USB key 128Mb
677 		 * PR: usb/90081
678 		 */
679 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb",
680 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
681 	},
682 	{
683 		/*
684 		 * Kingston DataTraveler 2.0 USB Flash memory.
685 		 * PR: usb/89196
686 		 */
687 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0",
688 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
689 	},
690 	{
691 		/*
692 		 * Creative MUVO Slim mp3 player (USB)
693 		 * PR: usb/86131
694 		 */
695 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim",
696 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
697 		},
698 	{
699 		/*
700 		 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3)
701 		 * PR: usb/80487
702 		 */
703 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK",
704 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
705 	},
706 	{
707 		/*
708 		 * SanDisk Micro Cruzer 128MB
709 		 * PR: usb/75970
710 		 */
711 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer",
712 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
713 	},
714 	{
715 		/*
716 		 * TOSHIBA TransMemory USB sticks
717 		 * PR: kern/94660
718 		 */
719 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory",
720 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
721 	},
722 	{
723 		/*
724 		 * PNY USB 3.0 Flash Drives
725 		*/
726 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "PNY", "USB 3.0 FD*",
727 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_RC16
728 	},
729 	{
730 		/*
731 		 * PNY USB Flash keys
732 		 * PR: usb/75578, usb/72344, usb/65436
733 		 */
734 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*",
735 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
736 	},
737 	{
738 		/*
739 		 * Genesys GL3224
740 		 */
741 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
742 		"120?"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_4K | DA_Q_NO_RC16
743 	},
744 	{
745 		/*
746 		 * Genesys 6-in-1 Card Reader
747 		 * PR: usb/94647
748 		 */
749 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
750 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
751 	},
752 	{
753 		/*
754 		 * Rekam Digital CAMERA
755 		 * PR: usb/98713
756 		 */
757 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*",
758 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
759 	},
760 	{
761 		/*
762 		 * iRiver H10 MP3 player
763 		 * PR: usb/102547
764 		 */
765 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*",
766 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
767 	},
768 	{
769 		/*
770 		 * iRiver U10 MP3 player
771 		 * PR: usb/92306
772 		 */
773 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*",
774 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
775 	},
776 	{
777 		/*
778 		 * X-Micro Flash Disk
779 		 * PR: usb/96901
780 		 */
781 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk",
782 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
783 	},
784 	{
785 		/*
786 		 * EasyMP3 EM732X USB 2.0 Flash MP3 Player
787 		 * PR: usb/96546
788 		 */
789 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*",
790 		"1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
791 	},
792 	{
793 		/*
794 		 * Denver MP3 player
795 		 * PR: usb/107101
796 		 */
797 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER",
798 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
799 	},
800 	{
801 		/*
802 		 * Philips USB Key Audio KEY013
803 		 * PR: usb/68412
804 		 */
805 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"},
806 		/*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
807 	},
808 	{
809 		/*
810 		 * JNC MP3 Player
811 		 * PR: usb/94439
812 		 */
813 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*",
814 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
815 	},
816 	{
817 		/*
818 		 * SAMSUNG MP0402H
819 		 * PR: usb/108427
820 		 */
821 		{T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"},
822 		/*quirks*/ DA_Q_NO_SYNC_CACHE
823 	},
824 	{
825 		/*
826 		 * I/O Magic USB flash - Giga Bank
827 		 * PR: usb/108810
828 		 */
829 		{T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"},
830 		/*quirks*/ DA_Q_NO_SYNC_CACHE
831 	},
832 	{
833 		/*
834 		 * JoyFly 128mb USB Flash Drive
835 		 * PR: 96133
836 		 */
837 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*",
838 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
839 	},
840 	{
841 		/*
842 		 * ChipsBnk usb stick
843 		 * PR: 103702
844 		 */
845 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*",
846 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
847 	},
848 	{
849 		/*
850 		 * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A
851 		 * PR: 129858
852 		 */
853 		{T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*",
854 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
855 	},
856 	{
857 		/*
858 		 * Samsung YP-U3 mp3-player
859 		 * PR: 125398
860 		 */
861 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3",
862 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
863 	},
864 	{
865 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*",
866 		 "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
867 	},
868 	{
869 		/*
870 		 * Sony Cyber-Shot DSC cameras
871 		 * PR: usb/137035
872 		 */
873 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
874 		/*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
875 	},
876 	{
877 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3",
878 		 "1.00"}, /*quirks*/ DA_Q_NO_PREVENT
879 	},
880 	{
881 		/* At least several Transcent USB sticks lie on RC16. */
882 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "JetFlash", "Transcend*",
883 		 "*"}, /*quirks*/ DA_Q_NO_RC16
884 	},
885 	{
886 		/*
887 		 * I-O Data USB Flash Disk
888 		 * PR: usb/211716
889 		 */
890 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "I-O DATA", "USB Flash Disk*",
891 		 "*"}, /*quirks*/ DA_Q_NO_RC16
892 	},
893 	{
894 		/*
895 		 * SLC CHIPFANCIER USB drives
896 		 * PR: usb/234503 (RC10 right, RC16 wrong)
897 		 * 16GB, 32GB and 128GB confirmed to have same issue
898 		 */
899 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "*SLC", "CHIPFANCIER",
900 		 "*"}, /*quirks*/ DA_Q_NO_RC16
901        },
902 	/* ATA/SATA devices over SAS/USB/... */
903 	{
904 		/* Sandisk X400 */
905 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SanDisk SD8SB8U1*", "*" },
906 		/*quirks*/DA_Q_128KB
907 	},
908 	{
909 		/* Hitachi Advanced Format (4k) drives */
910 		{ T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" },
911 		/*quirks*/DA_Q_4K
912 	},
913 	{
914 		/* Micron Advanced Format (4k) drives */
915 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Micron 5100 MTFDDAK*", "*" },
916 		/*quirks*/DA_Q_4K
917 	},
918 	{
919 		/* Samsung Advanced Format (4k) drives */
920 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" },
921 		/*quirks*/DA_Q_4K
922 	},
923 	{
924 		/* Samsung Advanced Format (4k) drives */
925 		{ T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" },
926 		/*quirks*/DA_Q_4K
927 	},
928 	{
929 		/* Samsung Advanced Format (4k) drives */
930 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" },
931 		/*quirks*/DA_Q_4K
932 	},
933 	{
934 		/* Samsung Advanced Format (4k) drives */
935 		{ T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" },
936 		/*quirks*/DA_Q_4K
937 	},
938 	{
939 		/* Seagate Barracuda Green Advanced Format (4k) drives */
940 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" },
941 		/*quirks*/DA_Q_4K
942 	},
943 	{
944 		/* Seagate Barracuda Green Advanced Format (4k) drives */
945 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" },
946 		/*quirks*/DA_Q_4K
947 	},
948 	{
949 		/* Seagate Barracuda Green Advanced Format (4k) drives */
950 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" },
951 		/*quirks*/DA_Q_4K
952 	},
953 	{
954 		/* Seagate Barracuda Green Advanced Format (4k) drives */
955 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" },
956 		/*quirks*/DA_Q_4K
957 	},
958 	{
959 		/* Seagate Barracuda Green Advanced Format (4k) drives */
960 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" },
961 		/*quirks*/DA_Q_4K
962 	},
963 	{
964 		/* Seagate Barracuda Green Advanced Format (4k) drives */
965 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" },
966 		/*quirks*/DA_Q_4K
967 	},
968 	{
969 		/* Seagate Momentus Advanced Format (4k) drives */
970 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" },
971 		/*quirks*/DA_Q_4K
972 	},
973 	{
974 		/* Seagate Momentus Advanced Format (4k) drives */
975 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" },
976 		/*quirks*/DA_Q_4K
977 	},
978 	{
979 		/* Seagate Momentus Advanced Format (4k) drives */
980 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" },
981 		/*quirks*/DA_Q_4K
982 	},
983 	{
984 		/* Seagate Momentus Advanced Format (4k) drives */
985 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" },
986 		/*quirks*/DA_Q_4K
987 	},
988 	{
989 		/* Seagate Momentus Advanced Format (4k) drives */
990 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" },
991 		/*quirks*/DA_Q_4K
992 	},
993 	{
994 		/* Seagate Momentus Advanced Format (4k) drives */
995 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" },
996 		/*quirks*/DA_Q_4K
997 	},
998 	{
999 		/* Seagate Momentus Advanced Format (4k) drives */
1000 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" },
1001 		/*quirks*/DA_Q_4K
1002 	},
1003 	{
1004 		/* Seagate Momentus Advanced Format (4k) drives */
1005 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" },
1006 		/*quirks*/DA_Q_4K
1007 	},
1008 	{
1009 		/* Seagate Momentus Advanced Format (4k) drives */
1010 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" },
1011 		/*quirks*/DA_Q_4K
1012 	},
1013 	{
1014 		/* Seagate Momentus Advanced Format (4k) drives */
1015 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" },
1016 		/*quirks*/DA_Q_4K
1017 	},
1018 	{
1019 		/* Seagate Momentus Advanced Format (4k) drives */
1020 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" },
1021 		/*quirks*/DA_Q_4K
1022 	},
1023 	{
1024 		/* Seagate Momentus Advanced Format (4k) drives */
1025 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" },
1026 		/*quirks*/DA_Q_4K
1027 	},
1028 	{
1029 		/* Seagate Momentus Advanced Format (4k) drives */
1030 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" },
1031 		/*quirks*/DA_Q_4K
1032 	},
1033 	{
1034 		/* Seagate Momentus Advanced Format (4k) drives */
1035 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" },
1036 		/*quirks*/DA_Q_4K
1037 	},
1038 	{
1039 		/* Seagate Momentus Thin Advanced Format (4k) drives */
1040 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" },
1041 		/*quirks*/DA_Q_4K
1042 	},
1043 	{
1044 		/* Seagate Momentus Thin Advanced Format (4k) drives */
1045 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" },
1046 		/*quirks*/DA_Q_4K
1047 	},
1048 	{
1049 		/* WDC Caviar Green Advanced Format (4k) drives */
1050 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" },
1051 		/*quirks*/DA_Q_4K
1052 	},
1053 	{
1054 		/* WDC Caviar Green Advanced Format (4k) drives */
1055 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" },
1056 		/*quirks*/DA_Q_4K
1057 	},
1058 	{
1059 		/* WDC Caviar Green Advanced Format (4k) drives */
1060 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" },
1061 		/*quirks*/DA_Q_4K
1062 	},
1063 	{
1064 		/* WDC Caviar Green Advanced Format (4k) drives */
1065 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" },
1066 		/*quirks*/DA_Q_4K
1067 	},
1068 	{
1069 		/* WDC Caviar Green Advanced Format (4k) drives */
1070 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" },
1071 		/*quirks*/DA_Q_4K
1072 	},
1073 	{
1074 		/* WDC Caviar Green Advanced Format (4k) drives */
1075 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" },
1076 		/*quirks*/DA_Q_4K
1077 	},
1078 	{
1079 		/* WDC Caviar Green Advanced Format (4k) drives */
1080 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" },
1081 		/*quirks*/DA_Q_4K
1082 	},
1083 	{
1084 		/* WDC Caviar Green Advanced Format (4k) drives */
1085 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" },
1086 		/*quirks*/DA_Q_4K
1087 	},
1088 	{
1089 		/* WDC Scorpio Black Advanced Format (4k) drives */
1090 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" },
1091 		/*quirks*/DA_Q_4K
1092 	},
1093 	{
1094 		/* WDC Scorpio Black Advanced Format (4k) drives */
1095 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" },
1096 		/*quirks*/DA_Q_4K
1097 	},
1098 	{
1099 		/* WDC Scorpio Black Advanced Format (4k) drives */
1100 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" },
1101 		/*quirks*/DA_Q_4K
1102 	},
1103 	{
1104 		/* WDC Scorpio Black Advanced Format (4k) drives */
1105 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" },
1106 		/*quirks*/DA_Q_4K
1107 	},
1108 	{
1109 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1110 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" },
1111 		/*quirks*/DA_Q_4K
1112 	},
1113 	{
1114 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1115 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" },
1116 		/*quirks*/DA_Q_4K
1117 	},
1118 	{
1119 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1120 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" },
1121 		/*quirks*/DA_Q_4K
1122 	},
1123 	{
1124 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1125 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" },
1126 		/*quirks*/DA_Q_4K
1127 	},
1128 	{
1129 		/*
1130 		 * Olympus digital cameras (C-3040ZOOM, C-2040ZOOM, C-1)
1131 		 * PR: usb/97472
1132 		 */
1133 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "C*", "*"},
1134 		/*quirks*/ DA_Q_NO_6_BYTE | DA_Q_NO_SYNC_CACHE
1135 	},
1136 	{
1137 		/*
1138 		 * Olympus digital cameras (D-370)
1139 		 * PR: usb/97472
1140 		 */
1141 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "D*", "*"},
1142 		/*quirks*/ DA_Q_NO_6_BYTE
1143 	},
1144 	{
1145 		/*
1146 		 * Olympus digital cameras (E-100RS, E-10).
1147 		 * PR: usb/97472
1148 		 */
1149 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "E*", "*"},
1150 		/*quirks*/ DA_Q_NO_6_BYTE | DA_Q_NO_SYNC_CACHE
1151 	},
1152 	{
1153 		/*
1154 		 * Olympus FE-210 camera
1155 		 */
1156 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*",
1157 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1158 	},
1159 	{
1160 		/*
1161 		* Pentax Digital Camera
1162 		* PR: usb/93389
1163 		*/
1164 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "PENTAX", "DIGITAL CAMERA",
1165 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1166 	},
1167 	{
1168 		/*
1169 		 * LG UP3S MP3 player
1170 		 */
1171 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S",
1172 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1173 	},
1174 	{
1175 		/*
1176 		 * Laser MP3-2GA13 MP3 player
1177 		 */
1178 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk",
1179 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1180 	},
1181 	{
1182 		/*
1183 		 * LaCie external 250GB Hard drive des by Porsche
1184 		 * Submitted by: Ben Stuyts <ben@altesco.nl>
1185 		 * PR: 121474
1186 		 */
1187 		{T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"},
1188 		/*quirks*/ DA_Q_NO_SYNC_CACHE
1189 	},
1190 	/* SATA SSDs */
1191 	{
1192 		/*
1193 		 * Corsair Force 2 SSDs
1194 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1195 		 */
1196 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair CSSD-F*", "*" },
1197 		/*quirks*/DA_Q_4K
1198 	},
1199 	{
1200 		/*
1201 		 * Corsair Force 3 SSDs
1202 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1203 		 */
1204 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force 3*", "*" },
1205 		/*quirks*/DA_Q_4K
1206 	},
1207         {
1208 		/*
1209 		 * Corsair Neutron GTX SSDs
1210 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1211 		 */
1212 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" },
1213 		/*quirks*/DA_Q_4K
1214 	},
1215 	{
1216 		/*
1217 		 * Corsair Force GT & GS SSDs
1218 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1219 		 */
1220 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force G*", "*" },
1221 		/*quirks*/DA_Q_4K
1222 	},
1223 	{
1224 		/*
1225 		 * Crucial M4 SSDs
1226 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1227 		 */
1228 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "M4-CT???M4SSD2*", "*" },
1229 		/*quirks*/DA_Q_4K
1230 	},
1231 	{
1232 		/*
1233 		 * Crucial RealSSD C300 SSDs
1234 		 * 4k optimised
1235 		 */
1236 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "C300-CTFDDAC???MAG*",
1237 		"*" }, /*quirks*/DA_Q_4K
1238 	},
1239 	{
1240 		/*
1241 		 * Intel 320 Series SSDs
1242 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1243 		 */
1244 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2CW*", "*" },
1245 		/*quirks*/DA_Q_4K
1246 	},
1247 	{
1248 		/*
1249 		 * Intel 330 Series SSDs
1250 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1251 		 */
1252 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2CT*", "*" },
1253 		/*quirks*/DA_Q_4K
1254 	},
1255 	{
1256 		/*
1257 		 * Intel 510 Series SSDs
1258 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1259 		 */
1260 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2MH*", "*" },
1261 		/*quirks*/DA_Q_4K
1262 	},
1263 	{
1264 		/*
1265 		 * Intel 520 Series SSDs
1266 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1267 		 */
1268 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BW*", "*" },
1269 		/*quirks*/DA_Q_4K
1270 	},
1271 	{
1272 		/*
1273 		 * Intel S3610 Series SSDs
1274 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1275 		 */
1276 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BX*", "*" },
1277 		/*quirks*/DA_Q_4K
1278 	},
1279 	{
1280 		/*
1281 		 * Intel X25-M Series SSDs
1282 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1283 		 */
1284 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2M*", "*" },
1285 		/*quirks*/DA_Q_4K
1286 	},
1287 	{
1288 		/*
1289 		 * Kingston E100 Series SSDs
1290 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1291 		 */
1292 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SE100S3*", "*" },
1293 		/*quirks*/DA_Q_4K
1294 	},
1295 	{
1296 		/*
1297 		 * Kingston HyperX 3k SSDs
1298 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1299 		 */
1300 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SH103S3*", "*" },
1301 		/*quirks*/DA_Q_4K
1302 	},
1303 	{
1304 		/*
1305 		 * Marvell SSDs (entry taken from OpenSolaris)
1306 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1307 		 */
1308 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MARVELL SD88SA02*", "*" },
1309 		/*quirks*/DA_Q_4K
1310 	},
1311 	{
1312 		/*
1313 		 * OCZ Agility 2 SSDs
1314 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1315 		 */
1316 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" },
1317 		/*quirks*/DA_Q_4K
1318 	},
1319 	{
1320 		/*
1321 		 * OCZ Agility 3 SSDs
1322 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1323 		 */
1324 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-AGILITY3*", "*" },
1325 		/*quirks*/DA_Q_4K
1326 	},
1327 	{
1328 		/*
1329 		 * OCZ Deneva R Series SSDs
1330 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1331 		 */
1332 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "DENRSTE251M45*", "*" },
1333 		/*quirks*/DA_Q_4K
1334 	},
1335 	{
1336 		/*
1337 		 * OCZ Vertex 2 SSDs (inc pro series)
1338 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1339 		 */
1340 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ?VERTEX2*", "*" },
1341 		/*quirks*/DA_Q_4K
1342 	},
1343 	{
1344 		/*
1345 		 * OCZ Vertex 3 SSDs
1346 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1347 		 */
1348 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX3*", "*" },
1349 		/*quirks*/DA_Q_4K
1350 	},
1351 	{
1352 		/*
1353 		 * OCZ Vertex 4 SSDs
1354 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1355 		 */
1356 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX4*", "*" },
1357 		/*quirks*/DA_Q_4K
1358 	},
1359 	{
1360 		/*
1361 		 * Samsung 750 Series SSDs
1362 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1363 		 */
1364 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 750*", "*" },
1365 		/*quirks*/DA_Q_4K
1366 	},
1367 	{
1368 		/*
1369 		 * Samsung 830 Series SSDs
1370 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1371 		 */
1372 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG SSD 830 Series*", "*" },
1373 		/*quirks*/DA_Q_4K
1374 	},
1375 	{
1376 		/*
1377 		 * Samsung 840 SSDs
1378 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1379 		 */
1380 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 840*", "*" },
1381 		/*quirks*/DA_Q_4K
1382 	},
1383 	{
1384 		/*
1385 		 * Samsung 845 SSDs
1386 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1387 		 */
1388 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 845*", "*" },
1389 		/*quirks*/DA_Q_4K
1390 	},
1391 	{
1392 		/*
1393 		 * Samsung 850 SSDs
1394 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1395 		 */
1396 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 850*", "*" },
1397 		/*quirks*/DA_Q_4K
1398 	},
1399 	{
1400 		/*
1401 		 * Samsung 843T Series SSDs (MZ7WD*)
1402 		 * Samsung PM851 Series SSDs (MZ7TE*)
1403 		 * Samsung PM853T Series SSDs (MZ7GE*)
1404 		 * Samsung SM863 Series SSDs (MZ7KM*)
1405 		 * 4k optimised
1406 		 */
1407 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG MZ7*", "*" },
1408 		/*quirks*/DA_Q_4K
1409 	},
1410 	{
1411 		/*
1412 		 * Same as for SAMSUNG MZ7* but enable the quirks for SSD
1413 		 * starting with MZ7* too
1414 		 */
1415 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MZ7*", "*" },
1416 		/*quirks*/DA_Q_4K
1417 	},
1418 	{
1419 		/*
1420                  * Same as above but enable the quirks for SSD SAMSUNG MZ7*
1421                  * connected via SATA-to-SAS interposer and because of this
1422                  * starting without "ATA"
1423 		 */
1424 		{ T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MZ7*", "*" },
1425 		/*quirks*/DA_Q_4K
1426 	},
1427 	{
1428 		/*
1429 		 * SuperTalent TeraDrive CT SSDs
1430 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1431 		 */
1432 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" },
1433 		/*quirks*/DA_Q_4K
1434 	},
1435 	{
1436 		/*
1437 		 * XceedIOPS SATA SSDs
1438 		 * 4k optimised
1439 		 */
1440 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" },
1441 		/*quirks*/DA_Q_4K
1442 	},
1443 	{
1444 		/*
1445 		 * Hama Innostor USB-Stick
1446 		 */
1447 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "Innostor", "Innostor*", "*" },
1448 		/*quirks*/DA_Q_NO_RC16
1449 	},
1450 	{
1451 		/*
1452 		 * Seagate Lamarr 8TB Shingled Magnetic Recording (SMR)
1453 		 * Drive Managed SATA hard drive.  This drive doesn't report
1454 		 * in firmware that it is a drive managed SMR drive.
1455 		 */
1456 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST8000AS000[23]*", "*" },
1457 		/*quirks*/DA_Q_SMR_DM
1458 	},
1459 	{
1460 		/*
1461 		 * MX-ES USB Drive by Mach Xtreme
1462 		 */
1463 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "MX", "MXUB3*", "*"},
1464 		/*quirks*/DA_Q_NO_RC16
1465 	},
1466 };
1467 
1468 static	disk_strategy_t	dastrategy;
1469 static	dumper_t	dadump;
1470 static	periph_init_t	dainit;
1471 static	void		daasync(void *callback_arg, uint32_t code,
1472 				struct cam_path *path, void *arg);
1473 static	void		dasysctlinit(void *context, int pending);
1474 static	int		dasysctlsofttimeout(SYSCTL_HANDLER_ARGS);
1475 static	int		dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
1476 static	int		dadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
1477 static	int		dabitsysctl(SYSCTL_HANDLER_ARGS);
1478 static	int		daflagssysctl(SYSCTL_HANDLER_ARGS);
1479 static	int		dazonemodesysctl(SYSCTL_HANDLER_ARGS);
1480 static	int		dazonesupsysctl(SYSCTL_HANDLER_ARGS);
1481 static	int		dadeletemaxsysctl(SYSCTL_HANDLER_ARGS);
1482 static	void		dadeletemethodset(struct da_softc *softc,
1483 					  da_delete_methods delete_method);
1484 static	off_t		dadeletemaxsize(struct da_softc *softc,
1485 					da_delete_methods delete_method);
1486 static	void		dadeletemethodchoose(struct da_softc *softc,
1487 					     da_delete_methods default_method);
1488 static	void		daprobedone(struct cam_periph *periph, union ccb *ccb);
1489 
1490 static	periph_ctor_t	daregister;
1491 static	periph_dtor_t	dacleanup;
1492 static	periph_start_t	dastart;
1493 static	periph_oninv_t	daoninvalidate;
1494 static	void		dazonedone(struct cam_periph *periph, union ccb *ccb);
1495 static	void		dadone(struct cam_periph *periph,
1496 			       union ccb *done_ccb);
1497 static void		dadone_probewp(struct cam_periph *periph,
1498 				       union ccb *done_ccb);
1499 static void		dadone_proberc(struct cam_periph *periph,
1500 				       union ccb *done_ccb);
1501 static void		dadone_probelbp(struct cam_periph *periph,
1502 					union ccb *done_ccb);
1503 static void		dadone_probeblklimits(struct cam_periph *periph,
1504 					      union ccb *done_ccb);
1505 static void		dadone_probebdc(struct cam_periph *periph,
1506 					union ccb *done_ccb);
1507 static void		dadone_probeata(struct cam_periph *periph,
1508 					union ccb *done_ccb);
1509 static void		dadone_probeatalogdir(struct cam_periph *periph,
1510 					      union ccb *done_ccb);
1511 static void		dadone_probeataiddir(struct cam_periph *periph,
1512 					     union ccb *done_ccb);
1513 static void		dadone_probeatasup(struct cam_periph *periph,
1514 					   union ccb *done_ccb);
1515 static void		dadone_probeatazone(struct cam_periph *periph,
1516 					    union ccb *done_ccb);
1517 static void		dadone_probezone(struct cam_periph *periph,
1518 					 union ccb *done_ccb);
1519 static void		dadone_tur(struct cam_periph *periph,
1520 				   union ccb *done_ccb);
1521 static  int		daerror(union ccb *ccb, uint32_t cam_flags,
1522 				uint32_t sense_flags);
1523 static void		daprevent(struct cam_periph *periph, int action);
1524 static void		dareprobe(struct cam_periph *periph);
1525 static void		dasetgeom(struct cam_periph *periph, uint32_t block_len,
1526 				  uint64_t maxsector,
1527 				  struct scsi_read_capacity_data_long *rcaplong,
1528 				  size_t rcap_size);
1529 static callout_func_t	dasendorderedtag;
1530 static void		dashutdown(void *arg, int howto);
1531 static callout_func_t	damediapoll;
1532 
1533 #ifndef	DA_DEFAULT_POLL_PERIOD
1534 #define	DA_DEFAULT_POLL_PERIOD	3
1535 #endif
1536 
1537 #ifndef DA_DEFAULT_TIMEOUT
1538 #define DA_DEFAULT_TIMEOUT 60	/* Timeout in seconds */
1539 #endif
1540 
1541 #ifndef DA_DEFAULT_SOFTTIMEOUT
1542 #define DA_DEFAULT_SOFTTIMEOUT	0
1543 #endif
1544 
1545 #ifndef	DA_DEFAULT_RETRY
1546 #define	DA_DEFAULT_RETRY	4
1547 #endif
1548 
1549 #ifndef	DA_DEFAULT_SEND_ORDERED
1550 #define	DA_DEFAULT_SEND_ORDERED	1
1551 #endif
1552 
1553 static int da_poll_period = DA_DEFAULT_POLL_PERIOD;
1554 static int da_retry_count = DA_DEFAULT_RETRY;
1555 static int da_default_timeout = DA_DEFAULT_TIMEOUT;
1556 static sbintime_t da_default_softtimeout = DA_DEFAULT_SOFTTIMEOUT;
1557 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED;
1558 static int da_disable_wp_detection = 0;
1559 static int da_enable_biospeedup = 1;
1560 static int da_enable_uma_ccbs = 1;
1561 
1562 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
1563     "CAM Direct Access Disk driver");
1564 SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RWTUN,
1565            &da_poll_period, 0, "Media polling period in seconds");
1566 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RWTUN,
1567            &da_retry_count, 0, "Normal I/O retry count");
1568 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RWTUN,
1569            &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
1570 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RWTUN,
1571            &da_send_ordered, 0, "Send Ordered Tags");
1572 SYSCTL_INT(_kern_cam_da, OID_AUTO, disable_wp_detection, CTLFLAG_RWTUN,
1573            &da_disable_wp_detection, 0,
1574 	   "Disable detection of write-protected disks");
1575 SYSCTL_INT(_kern_cam_da, OID_AUTO, enable_biospeedup, CTLFLAG_RDTUN,
1576 	    &da_enable_biospeedup, 0, "Enable BIO_SPEEDUP processing");
1577 SYSCTL_INT(_kern_cam_da, OID_AUTO, enable_uma_ccbs, CTLFLAG_RWTUN,
1578 	    &da_enable_uma_ccbs, 0, "Use UMA for CCBs");
1579 
1580 SYSCTL_PROC(_kern_cam_da, OID_AUTO, default_softtimeout,
1581     CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_MPSAFE, NULL, 0,
1582     dasysctlsofttimeout, "I",
1583     "Soft I/O timeout (ms)");
1584 TUNABLE_INT64("kern.cam.da.default_softtimeout", &da_default_softtimeout);
1585 
1586 /*
1587  * DA_ORDEREDTAG_INTERVAL determines how often, relative
1588  * to the default timeout, we check to see whether an ordered
1589  * tagged transaction is appropriate to prevent simple tag
1590  * starvation.  Since we'd like to ensure that there is at least
1591  * 1/2 of the timeout length left for a starved transaction to
1592  * complete after we've sent an ordered tag, we must poll at least
1593  * four times in every timeout period.  This takes care of the worst
1594  * case where a starved transaction starts during an interval that
1595  * meets the requirement "don't send an ordered tag" test so it takes
1596  * us two intervals to determine that a tag must be sent.
1597  */
1598 #ifndef DA_ORDEREDTAG_INTERVAL
1599 #define DA_ORDEREDTAG_INTERVAL 4
1600 #endif
1601 
1602 static struct periph_driver dadriver =
1603 {
1604 	dainit, "da",
1605 	TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
1606 };
1607 
1608 PERIPHDRIVER_DECLARE(da, dadriver);
1609 
1610 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
1611 
1612 /*
1613  * This driver takes out references / holds in well defined pairs, never
1614  * recursively. These macros / inline functions enforce those rules. They
1615  * are only enabled with DA_TRACK_REFS or INVARIANTS. If DA_TRACK_REFS is
1616  * defined to be 2 or larger, the tracking also includes debug printfs.
1617  */
1618 #if defined(DA_TRACK_REFS) || defined(INVARIANTS)
1619 
1620 #ifndef DA_TRACK_REFS
1621 #define DA_TRACK_REFS 1
1622 #endif
1623 
1624 #if DA_TRACK_REFS > 1
1625 static const char *da_ref_text[] = {
1626 	"bogus",
1627 	"open",
1628 	"open hold",
1629 	"close hold",
1630 	"reprobe hold",
1631 	"Test Unit Ready",
1632 	"Geom",
1633 	"sysctl",
1634 	"reprobe",
1635 	"max -- also bogus"
1636 };
1637 
1638 #define DA_PERIPH_PRINT(periph, msg, args...)		\
1639 	CAM_PERIPH_PRINT(periph, msg, ##args)
1640 #else
1641 #define DA_PERIPH_PRINT(periph, msg, args...)
1642 #endif
1643 
1644 static inline void
1645 token_sanity(da_ref_token token)
1646 {
1647 	if ((unsigned)token >= DA_REF_MAX)
1648 		panic("Bad token value passed in %d\n", token);
1649 }
1650 
1651 static inline int
1652 da_periph_hold(struct cam_periph *periph, int priority, da_ref_token token)
1653 {
1654 	int err = cam_periph_hold(periph, priority);
1655 
1656 	token_sanity(token);
1657 	DA_PERIPH_PRINT(periph, "Holding device %s (%d): %d\n",
1658 	    da_ref_text[token], token, err);
1659 	if (err == 0) {
1660 		int cnt;
1661 		struct da_softc *softc = periph->softc;
1662 
1663 		cnt = atomic_fetchadd_int(&softc->ref_flags[token], 1);
1664 		if (cnt != 0)
1665 			panic("Re-holding for reason %d, cnt = %d", token, cnt);
1666 	}
1667 	return (err);
1668 }
1669 
1670 static inline void
1671 da_periph_unhold(struct cam_periph *periph, da_ref_token token)
1672 {
1673 	int cnt;
1674 	struct da_softc *softc = periph->softc;
1675 
1676 	token_sanity(token);
1677 	DA_PERIPH_PRINT(periph, "Unholding device %s (%d)\n",
1678 	    da_ref_text[token], token);
1679 	cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1680 	if (cnt != 1)
1681 		panic("Unholding %d with cnt = %d", token, cnt);
1682 	cam_periph_unhold(periph);
1683 }
1684 
1685 static inline int
1686 da_periph_acquire(struct cam_periph *periph, da_ref_token token)
1687 {
1688 	int err = cam_periph_acquire(periph);
1689 
1690 	token_sanity(token);
1691 	DA_PERIPH_PRINT(periph, "acquiring device %s (%d): %d\n",
1692 	    da_ref_text[token], token, err);
1693 	if (err == 0) {
1694 		int cnt;
1695 		struct da_softc *softc = periph->softc;
1696 
1697 		cnt = atomic_fetchadd_int(&softc->ref_flags[token], 1);
1698 		if (cnt != 0)
1699 			panic("Re-refing for reason %d, cnt = %d", token, cnt);
1700 	}
1701 	return (err);
1702 }
1703 
1704 static inline void
1705 da_periph_release(struct cam_periph *periph, da_ref_token token)
1706 {
1707 	int cnt;
1708 	struct da_softc *softc = periph->softc;
1709 
1710 	token_sanity(token);
1711 	DA_PERIPH_PRINT(periph, "releasing device %s (%d)\n",
1712 	    da_ref_text[token], token);
1713 	cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1714 	if (cnt != 1)
1715 		panic("Releasing %d with cnt = %d", token, cnt);
1716 	cam_periph_release(periph);
1717 }
1718 
1719 static inline void
1720 da_periph_release_locked(struct cam_periph *periph, da_ref_token token)
1721 {
1722 	int cnt;
1723 	struct da_softc *softc = periph->softc;
1724 
1725 	token_sanity(token);
1726 	DA_PERIPH_PRINT(periph, "releasing device (locked) %s (%d)\n",
1727 	    da_ref_text[token], token);
1728 	cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1729 	if (cnt != 1)
1730 		panic("releasing (locked) %d with cnt = %d", token, cnt);
1731 	cam_periph_release_locked(periph);
1732 }
1733 
1734 #define cam_periph_hold POISON
1735 #define cam_periph_unhold POISON
1736 #define cam_periph_acquire POISON
1737 #define cam_periph_release POISON
1738 #define cam_periph_release_locked POISON
1739 
1740 #else
1741 #define	da_periph_hold(periph, prio, token)	cam_periph_hold((periph), (prio))
1742 #define da_periph_unhold(periph, token)		cam_periph_unhold((periph))
1743 #define da_periph_acquire(periph, token)	cam_periph_acquire((periph))
1744 #define da_periph_release(periph, token)	cam_periph_release((periph))
1745 #define da_periph_release_locked(periph, token)	cam_periph_release_locked((periph))
1746 #endif
1747 
1748 static int
1749 daopen(struct disk *dp)
1750 {
1751 	struct cam_periph *periph;
1752 	struct da_softc *softc;
1753 	int error;
1754 
1755 	periph = (struct cam_periph *)dp->d_drv1;
1756 	if (da_periph_acquire(periph, DA_REF_OPEN) != 0) {
1757 		return (ENXIO);
1758 	}
1759 
1760 	cam_periph_lock(periph);
1761 	if ((error = da_periph_hold(periph, PRIBIO|PCATCH, DA_REF_OPEN_HOLD)) != 0) {
1762 		cam_periph_unlock(periph);
1763 		da_periph_release(periph, DA_REF_OPEN);
1764 		return (error);
1765 	}
1766 
1767 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1768 	    ("daopen\n"));
1769 
1770 	softc = (struct da_softc *)periph->softc;
1771 	dareprobe(periph);
1772 
1773 	/* Wait for the disk size update.  */
1774 	error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO,
1775 	    "dareprobe", 0);
1776 	if (error != 0)
1777 		xpt_print(periph->path, "unable to retrieve capacity data\n");
1778 
1779 	if (periph->flags & CAM_PERIPH_INVALID)
1780 		error = ENXIO;
1781 
1782 	if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1783 	    (softc->quirks & DA_Q_NO_PREVENT) == 0)
1784 		daprevent(periph, PR_PREVENT);
1785 
1786 	if (error == 0) {
1787 		softc->flags &= ~DA_FLAG_PACK_INVALID;
1788 		softc->flags |= DA_FLAG_OPEN;
1789 	}
1790 
1791 	da_periph_unhold(periph, DA_REF_OPEN_HOLD);
1792 	cam_periph_unlock(periph);
1793 
1794 	if (error != 0)
1795 		da_periph_release(periph, DA_REF_OPEN);
1796 
1797 	return (error);
1798 }
1799 
1800 static int
1801 daclose(struct disk *dp)
1802 {
1803 	struct	cam_periph *periph;
1804 	struct	da_softc *softc;
1805 	union	ccb *ccb;
1806 
1807 	periph = (struct cam_periph *)dp->d_drv1;
1808 	softc = (struct da_softc *)periph->softc;
1809 	cam_periph_lock(periph);
1810 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1811 	    ("daclose\n"));
1812 
1813 	if (da_periph_hold(periph, PRIBIO, DA_REF_CLOSE_HOLD) == 0) {
1814 		/* Flush disk cache. */
1815 		if ((softc->flags & DA_FLAG_DIRTY) != 0 &&
1816 		    (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 &&
1817 		    (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
1818 			ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1819 			scsi_synchronize_cache(&ccb->csio, /*retries*/1,
1820 			    /*cbfcnp*/NULL, MSG_SIMPLE_Q_TAG,
1821 			    /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE,
1822 			    5 * 60 * 1000);
1823 			cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
1824 			    /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR,
1825 			    softc->disk->d_devstat);
1826 			softc->flags &= ~DA_FLAG_DIRTY;
1827 			xpt_release_ccb(ccb);
1828 		}
1829 
1830 		/* Allow medium removal. */
1831 		if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1832 		    (softc->quirks & DA_Q_NO_PREVENT) == 0)
1833 			daprevent(periph, PR_ALLOW);
1834 
1835 		da_periph_unhold(periph, DA_REF_CLOSE_HOLD);
1836 	}
1837 
1838 	/*
1839 	 * If we've got removable media, mark the blocksize as
1840 	 * unavailable, since it could change when new media is
1841 	 * inserted.
1842 	 */
1843 	if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)
1844 		softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1845 
1846 	softc->flags &= ~DA_FLAG_OPEN;
1847 	while (softc->refcount != 0)
1848 		cam_periph_sleep(periph, &softc->refcount, PRIBIO, "daclose", 1);
1849 	cam_periph_unlock(periph);
1850 	da_periph_release(periph, DA_REF_OPEN);
1851 	return (0);
1852 }
1853 
1854 static void
1855 daschedule(struct cam_periph *periph)
1856 {
1857 	struct da_softc *softc = (struct da_softc *)periph->softc;
1858 
1859 	if (softc->state != DA_STATE_NORMAL)
1860 		return;
1861 
1862 	cam_iosched_schedule(softc->cam_iosched, periph);
1863 }
1864 
1865 /*
1866  * Actually translate the requested transfer into one the physical driver
1867  * can understand.  The transfer is described by a buf and will include
1868  * only one physical transfer.
1869  */
1870 static void
1871 dastrategy(struct bio *bp)
1872 {
1873 	struct cam_periph *periph;
1874 	struct da_softc *softc;
1875 
1876 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1877 	softc = (struct da_softc *)periph->softc;
1878 
1879 	cam_periph_lock(periph);
1880 
1881 	/*
1882 	 * If the device has been made invalid, error out
1883 	 */
1884 	if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1885 		cam_periph_unlock(periph);
1886 		biofinish(bp, NULL, ENXIO);
1887 		return;
1888 	}
1889 
1890 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp));
1891 
1892 	/*
1893 	 * Zone commands must be ordered, because they can depend on the
1894 	 * effects of previously issued commands, and they may affect
1895 	 * commands after them.
1896 	 */
1897 	if (bp->bio_cmd == BIO_ZONE)
1898 		bp->bio_flags |= BIO_ORDERED;
1899 
1900 	/*
1901 	 * Place it in the queue of disk activities for this disk
1902 	 */
1903 	cam_iosched_queue_work(softc->cam_iosched, bp);
1904 
1905 	/*
1906 	 * Schedule ourselves for performing the work.
1907 	 */
1908 	daschedule(periph);
1909 	cam_periph_unlock(periph);
1910 
1911 	return;
1912 }
1913 
1914 static int
1915 dadump(void *arg, void *virtual, off_t offset, size_t length)
1916 {
1917 	struct	    cam_periph *periph;
1918 	struct	    da_softc *softc;
1919 	u_int	    secsize;
1920 	struct	    ccb_scsiio csio;
1921 	struct	    disk *dp;
1922 	int	    error = 0;
1923 
1924 	dp = arg;
1925 	periph = dp->d_drv1;
1926 	softc = (struct da_softc *)periph->softc;
1927 	secsize = softc->params.secsize;
1928 
1929 	if ((softc->flags & DA_FLAG_PACK_INVALID) != 0)
1930 		return (ENXIO);
1931 
1932 	memset(&csio, 0, sizeof(csio));
1933 	if (length > 0) {
1934 		xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1935 		csio.ccb_h.ccb_state = DA_CCB_DUMP;
1936 		scsi_read_write(&csio,
1937 				/*retries*/0,
1938 				/*cbfcnp*/NULL,
1939 				MSG_ORDERED_Q_TAG,
1940 				/*read*/SCSI_RW_WRITE,
1941 				/*byte2*/0,
1942 				/*minimum_cmd_size*/ softc->minimum_cmd_size,
1943 				offset / secsize,
1944 				length / secsize,
1945 				/*data_ptr*/(uint8_t *) virtual,
1946 				/*dxfer_len*/length,
1947 				/*sense_len*/SSD_FULL_SIZE,
1948 				da_default_timeout * 1000);
1949 		error = cam_periph_runccb((union ccb *)&csio, cam_periph_error,
1950 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1951 		if (error != 0)
1952 			printf("Aborting dump due to I/O error.\n");
1953 		return (error);
1954 	}
1955 
1956 	/*
1957 	 * Sync the disk cache contents to the physical media.
1958 	 */
1959 	if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1960 		xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1961 		csio.ccb_h.ccb_state = DA_CCB_DUMP;
1962 		scsi_synchronize_cache(&csio,
1963 				       /*retries*/0,
1964 				       /*cbfcnp*/NULL,
1965 				       MSG_SIMPLE_Q_TAG,
1966 				       /*begin_lba*/0,/* Cover the whole disk */
1967 				       /*lb_count*/0,
1968 				       SSD_FULL_SIZE,
1969 				       5 * 1000);
1970 		error = cam_periph_runccb((union ccb *)&csio, cam_periph_error,
1971 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1972 		if (error != 0)
1973 			xpt_print(periph->path, "Synchronize cache failed\n");
1974 	}
1975 	return (error);
1976 }
1977 
1978 static int
1979 dagetattr(struct bio *bp)
1980 {
1981 	int ret;
1982 	struct cam_periph *periph;
1983 
1984 	if (g_handleattr_int(bp, "GEOM::canspeedup", da_enable_biospeedup))
1985 		return (EJUSTRETURN);
1986 
1987 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1988 	cam_periph_lock(periph);
1989 	ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1990 	    periph->path);
1991 	cam_periph_unlock(periph);
1992 	if (ret == 0)
1993 		bp->bio_completed = bp->bio_length;
1994 	return ret;
1995 }
1996 
1997 static void
1998 dainit(void)
1999 {
2000 	cam_status status;
2001 
2002 	da_ccb_zone = uma_zcreate("da_ccb",
2003 	    sizeof(struct ccb_scsiio), NULL, NULL, NULL, NULL,
2004 	    UMA_ALIGN_PTR, 0);
2005 
2006 	/*
2007 	 * Install a global async callback.  This callback will
2008 	 * receive async callbacks like "new device found".
2009 	 */
2010 	status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
2011 
2012 	if (status != CAM_REQ_CMP) {
2013 		printf("da: Failed to attach master async callback "
2014 		       "due to status 0x%x!\n", status);
2015 	} else if (da_send_ordered) {
2016 		/* Register our shutdown event handler */
2017 		if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
2018 					   NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
2019 		    printf("dainit: shutdown event registration failed!\n");
2020 	}
2021 }
2022 
2023 /*
2024  * Callback from GEOM, called when it has finished cleaning up its
2025  * resources.
2026  */
2027 static void
2028 dadiskgonecb(struct disk *dp)
2029 {
2030 	struct cam_periph *periph;
2031 
2032 	periph = (struct cam_periph *)dp->d_drv1;
2033 	da_periph_release(periph, DA_REF_GEOM);
2034 }
2035 
2036 static void
2037 daoninvalidate(struct cam_periph *periph)
2038 {
2039 	struct da_softc *softc;
2040 
2041 	cam_periph_assert(periph, MA_OWNED);
2042 	softc = (struct da_softc *)periph->softc;
2043 
2044 	/*
2045 	 * De-register any async callbacks.
2046 	 */
2047 	xpt_register_async(0, daasync, periph, periph->path);
2048 
2049 	softc->flags |= DA_FLAG_PACK_INVALID;
2050 #ifdef CAM_IO_STATS
2051 	softc->invalidations++;
2052 #endif
2053 
2054 	/*
2055 	 * Return all queued I/O with ENXIO. Transactions may be queued up here
2056 	 * for retry (since we are called while there's other transactions
2057 	 * pending). Any requests in the hardware will drain before dacleanup
2058 	 * is called.
2059 	 */
2060 	cam_iosched_flush(softc->cam_iosched, NULL, ENXIO);
2061 
2062 	/*
2063 	 * Tell GEOM that we've gone away, we'll get a callback when it is
2064 	 * done cleaning up its resources.
2065 	 */
2066 	disk_gone(softc->disk);
2067 }
2068 
2069 static void
2070 dacleanup(struct cam_periph *periph)
2071 {
2072 	struct da_softc *softc;
2073 
2074 	softc = (struct da_softc *)periph->softc;
2075 
2076 	cam_periph_unlock(periph);
2077 
2078 	cam_iosched_fini(softc->cam_iosched);
2079 
2080 	/*
2081 	 * If we can't free the sysctl tree, oh well...
2082 	 */
2083 	if ((softc->flags & DA_FLAG_SCTX_INIT) != 0) {
2084 #ifdef CAM_IO_STATS
2085 		if (sysctl_ctx_free(&softc->sysctl_stats_ctx) != 0)
2086 			xpt_print(periph->path,
2087 			    "can't remove sysctl stats context\n");
2088 #endif
2089 		if (sysctl_ctx_free(&softc->sysctl_ctx) != 0)
2090 			xpt_print(periph->path,
2091 			    "can't remove sysctl context\n");
2092 	}
2093 
2094 	callout_drain(&softc->mediapoll_c);
2095 	disk_destroy(softc->disk);
2096 	callout_drain(&softc->sendordered_c);
2097 	free(softc, M_DEVBUF);
2098 	cam_periph_lock(periph);
2099 }
2100 
2101 static void
2102 daasync(void *callback_arg, uint32_t code,
2103 	struct cam_path *path, void *arg)
2104 {
2105 	struct cam_periph *periph;
2106 	struct da_softc *softc;
2107 
2108 	periph = (struct cam_periph *)callback_arg;
2109 	switch (code) {
2110 	case AC_FOUND_DEVICE:	/* callback to create periph, no locking yet */
2111 	{
2112 		struct ccb_getdev *cgd;
2113 		cam_status status;
2114 
2115 		cgd = (struct ccb_getdev *)arg;
2116 		if (cgd == NULL)
2117 			break;
2118 
2119 		if (cgd->protocol != PROTO_SCSI)
2120 			break;
2121 		if (SID_QUAL(&cgd->inq_data) != SID_QUAL_LU_CONNECTED)
2122 			break;
2123 		if (SID_TYPE(&cgd->inq_data) != T_DIRECT
2124 		    && SID_TYPE(&cgd->inq_data) != T_RBC
2125 		    && SID_TYPE(&cgd->inq_data) != T_OPTICAL
2126 		    && SID_TYPE(&cgd->inq_data) != T_ZBC_HM)
2127 			break;
2128 
2129 		/*
2130 		 * Allocate a peripheral instance for
2131 		 * this device and start the probe
2132 		 * process.
2133 		 */
2134 		status = cam_periph_alloc(daregister, daoninvalidate,
2135 					  dacleanup, dastart,
2136 					  "da", CAM_PERIPH_BIO,
2137 					  path, daasync,
2138 					  AC_FOUND_DEVICE, cgd);
2139 
2140 		if (status != CAM_REQ_CMP
2141 		 && status != CAM_REQ_INPROG)
2142 			printf("daasync: Unable to attach to new device "
2143 				"due to status 0x%x\n", status);
2144 		return;
2145 	}
2146 	case AC_ADVINFO_CHANGED:	/* Doesn't touch periph */
2147 	{
2148 		uintptr_t buftype;
2149 
2150 		buftype = (uintptr_t)arg;
2151 		if (buftype == CDAI_TYPE_PHYS_PATH) {
2152 			struct da_softc *softc;
2153 
2154 			softc = periph->softc;
2155 			disk_attr_changed(softc->disk, "GEOM::physpath",
2156 					  M_NOWAIT);
2157 		}
2158 		break;
2159 	}
2160 	case AC_UNIT_ATTENTION:		/* Called for this path: periph locked */
2161 	{
2162 		union ccb *ccb;
2163 		int error_code, sense_key, asc, ascq;
2164 
2165 		softc = (struct da_softc *)periph->softc;
2166 		ccb = (union ccb *)arg;
2167 
2168 		/*
2169 		 * Handle all UNIT ATTENTIONs except our own, as they will be
2170 		 * handled by daerror().
2171 		 */
2172 		if (xpt_path_periph(ccb->ccb_h.path) != periph &&
2173 		    scsi_extract_sense_ccb(ccb,
2174 		     &error_code, &sense_key, &asc, &ascq)) {
2175 			if (asc == 0x2A && ascq == 0x09) {
2176 				xpt_print(ccb->ccb_h.path,
2177 				    "Capacity data has changed\n");
2178 				cam_periph_assert(periph, MA_OWNED);
2179 				softc->flags &= ~DA_FLAG_PROBED;
2180 				dareprobe(periph);
2181 			} else if (asc == 0x28 && ascq == 0x00) {
2182 				cam_periph_assert(periph, MA_OWNED);
2183 				softc->flags &= ~DA_FLAG_PROBED;
2184 				disk_media_changed(softc->disk, M_NOWAIT);
2185 			} else if (asc == 0x3F && ascq == 0x03) {
2186 				xpt_print(ccb->ccb_h.path,
2187 				    "INQUIRY data has changed\n");
2188 				cam_periph_assert(periph, MA_OWNED);
2189 				softc->flags &= ~DA_FLAG_PROBED;
2190 				dareprobe(periph);
2191 			}
2192 		}
2193 		break;
2194 	}
2195 	case AC_SCSI_AEN:		/* Called for this path: periph locked */
2196 		/*
2197 		 * Appears to be currently unused for SCSI devices, only ata SIMs
2198 		 * generate this.
2199 		 */
2200 		cam_periph_assert(periph, MA_OWNED);
2201 		softc = (struct da_softc *)periph->softc;
2202 		if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR) &&
2203 		    (softc->flags & DA_FLAG_TUR_PENDING) == 0) {
2204 			if (da_periph_acquire(periph, DA_REF_TUR) == 0) {
2205 				cam_iosched_set_work_flags(softc->cam_iosched, DA_WORK_TUR);
2206 				daschedule(periph);
2207 			}
2208 		}
2209 		/* FALLTHROUGH */
2210 	case AC_SENT_BDR:		/* Called for this path: periph locked */
2211 	case AC_BUS_RESET:		/* Called for this path: periph locked */
2212 	{
2213 		struct ccb_hdr *ccbh;
2214 
2215 		cam_periph_assert(periph, MA_OWNED);
2216 		softc = (struct da_softc *)periph->softc;
2217 		/*
2218 		 * Don't fail on the expected unit attention
2219 		 * that will occur.
2220 		 */
2221 		softc->flags |= DA_FLAG_RETRY_UA;
2222 		LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
2223 			ccbh->ccb_state |= DA_CCB_RETRY_UA;
2224 		break;
2225 	}
2226 	case AC_INQ_CHANGED:		/* Called for this path: periph locked */
2227 		cam_periph_assert(periph, MA_OWNED);
2228 		softc = (struct da_softc *)periph->softc;
2229 		softc->flags &= ~DA_FLAG_PROBED;
2230 		dareprobe(periph);
2231 		break;
2232 	default:
2233 		break;
2234 	}
2235 	cam_periph_async(periph, code, path, arg);
2236 }
2237 
2238 static void
2239 dasysctlinit(void *context, int pending)
2240 {
2241 	struct cam_periph *periph;
2242 	struct da_softc *softc;
2243 	char tmpstr[32], tmpstr2[16];
2244 	struct ccb_trans_settings cts;
2245 
2246 	periph = (struct cam_periph *)context;
2247 	/*
2248 	 * periph was held for us when this task was enqueued
2249 	 */
2250 	if (periph->flags & CAM_PERIPH_INVALID) {
2251 		da_periph_release(periph, DA_REF_SYSCTL);
2252 		return;
2253 	}
2254 
2255 	softc = (struct da_softc *)periph->softc;
2256 	snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
2257 	snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
2258 
2259 	sysctl_ctx_init(&softc->sysctl_ctx);
2260 	cam_periph_lock(periph);
2261 	softc->flags |= DA_FLAG_SCTX_INIT;
2262 	cam_periph_unlock(periph);
2263 	softc->sysctl_tree = SYSCTL_ADD_NODE_WITH_LABEL(&softc->sysctl_ctx,
2264 		SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
2265 		CTLFLAG_RD | CTLFLAG_MPSAFE, 0, tmpstr, "device_index");
2266 	if (softc->sysctl_tree == NULL) {
2267 		printf("dasysctlinit: unable to allocate sysctl tree\n");
2268 		da_periph_release(periph, DA_REF_SYSCTL);
2269 		return;
2270 	}
2271 
2272 	/*
2273 	 * Now register the sysctl handler, so the user can change the value on
2274 	 * the fly.
2275 	 */
2276 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2277 		OID_AUTO, "delete_method",
2278 		CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
2279 		softc, 0, dadeletemethodsysctl, "A",
2280 		"BIO_DELETE execution method");
2281 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2282 		OID_AUTO, "delete_max",
2283 		CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE,
2284 		softc, 0, dadeletemaxsysctl, "Q",
2285 		"Maximum BIO_DELETE size");
2286 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2287 		OID_AUTO, "minimum_cmd_size",
2288 		CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE,
2289 		&softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
2290 		"Minimum CDB size");
2291 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2292 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2293 		"trim_count", CTLFLAG_RD, &softc->trim_count,
2294 		"Total number of unmap/dsm commands sent");
2295 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2296 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2297 		"trim_ranges", CTLFLAG_RD, &softc->trim_ranges,
2298 		"Total number of ranges in unmap/dsm commands");
2299 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2300 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2301 		"trim_lbas", CTLFLAG_RD, &softc->trim_lbas,
2302 		"Total lbas in the unmap/dsm commands sent");
2303 
2304 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2305 		OID_AUTO, "zone_mode",
2306 		CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
2307 		softc, 0, dazonemodesysctl, "A",
2308 		"Zone Mode");
2309 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2310 		OID_AUTO, "zone_support",
2311 		CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
2312 		softc, 0, dazonesupsysctl, "A",
2313 		"Zone Support");
2314 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2315 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2316 		"optimal_seq_zones", CTLFLAG_RD, &softc->optimal_seq_zones,
2317 		"Optimal Number of Open Sequential Write Preferred Zones");
2318 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2319 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2320 		"optimal_nonseq_zones", CTLFLAG_RD,
2321 		&softc->optimal_nonseq_zones,
2322 		"Optimal Number of Non-Sequentially Written Sequential Write "
2323 		"Preferred Zones");
2324 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2325 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2326 		"max_seq_zones", CTLFLAG_RD, &softc->max_seq_zones,
2327 		"Maximum Number of Open Sequential Write Required Zones");
2328 
2329 	SYSCTL_ADD_INT(&softc->sysctl_ctx,
2330 		       SYSCTL_CHILDREN(softc->sysctl_tree),
2331 		       OID_AUTO,
2332 		       "error_inject",
2333 		       CTLFLAG_RW,
2334 		       &softc->error_inject,
2335 		       0,
2336 		       "error_inject leaf");
2337 
2338 	SYSCTL_ADD_INT(&softc->sysctl_ctx,
2339 		       SYSCTL_CHILDREN(softc->sysctl_tree),
2340 		       OID_AUTO,
2341 		       "p_type",
2342 		       CTLFLAG_RD,
2343 		       &softc->p_type,
2344 		       0,
2345 		       "DIF protection type");
2346 
2347 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2348 	    OID_AUTO, "flags", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
2349 	    softc, 0, daflagssysctl, "A",
2350 	    "Flags for drive");
2351 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2352 	    OID_AUTO, "rotating", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE,
2353 	    &softc->flags, (u_int)DA_FLAG_ROTATING, dabitsysctl, "I",
2354 	    "Rotating media *DEPRECATED* gone in FreeBSD 15");
2355 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2356 	    OID_AUTO, "unmapped_io", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE,
2357 	    &softc->flags, (u_int)DA_FLAG_UNMAPPEDIO, dabitsysctl, "I",
2358 	    "Unmapped I/O support *DEPRECATED* gone in FreeBSD 15");
2359 
2360 #ifdef CAM_TEST_FAILURE
2361 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2362 		OID_AUTO, "invalidate", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE,
2363 		periph, 0, cam_periph_invalidate_sysctl, "I",
2364 		"Write 1 to invalidate the drive immediately");
2365 #endif
2366 
2367 	/*
2368 	 * Add some addressing info.
2369 	 */
2370 	memset(&cts, 0, sizeof (cts));
2371 	xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
2372 	cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
2373 	cts.type = CTS_TYPE_CURRENT_SETTINGS;
2374 	cam_periph_lock(periph);
2375 	xpt_action((union ccb *)&cts);
2376 	cam_periph_unlock(periph);
2377 	if (cts.ccb_h.status != CAM_REQ_CMP) {
2378 		da_periph_release(periph, DA_REF_SYSCTL);
2379 		return;
2380 	}
2381 	if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) {
2382 		struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc;
2383 		if (fc->valid & CTS_FC_VALID_WWPN) {
2384 			softc->wwpn = fc->wwpn;
2385 			SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2386 			    SYSCTL_CHILDREN(softc->sysctl_tree),
2387 			    OID_AUTO, "wwpn", CTLFLAG_RD,
2388 			    &softc->wwpn, "World Wide Port Name");
2389 		}
2390 	}
2391 
2392 #ifdef CAM_IO_STATS
2393 	/*
2394 	 * Now add some useful stats.
2395 	 * XXX These should live in cam_periph and be common to all periphs
2396 	 */
2397 	softc->sysctl_stats_tree = SYSCTL_ADD_NODE(&softc->sysctl_stats_ctx,
2398 	    SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "stats",
2399 	    CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Statistics");
2400 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2401 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2402 		       OID_AUTO,
2403 		       "errors",
2404 		       CTLFLAG_RD,
2405 		       &softc->errors,
2406 		       0,
2407 		       "Transport errors reported by the SIM");
2408 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2409 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2410 		       OID_AUTO,
2411 		       "timeouts",
2412 		       CTLFLAG_RD,
2413 		       &softc->timeouts,
2414 		       0,
2415 		       "Device timeouts reported by the SIM");
2416 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2417 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2418 		       OID_AUTO,
2419 		       "pack_invalidations",
2420 		       CTLFLAG_RD,
2421 		       &softc->invalidations,
2422 		       0,
2423 		       "Device pack invalidations");
2424 #endif
2425 
2426 	cam_iosched_sysctl_init(softc->cam_iosched, &softc->sysctl_ctx,
2427 	    softc->sysctl_tree);
2428 
2429 	da_periph_release(periph, DA_REF_SYSCTL);
2430 }
2431 
2432 static int
2433 dadeletemaxsysctl(SYSCTL_HANDLER_ARGS)
2434 {
2435 	int error;
2436 	uint64_t value;
2437 	struct da_softc *softc;
2438 
2439 	softc = (struct da_softc *)arg1;
2440 
2441 	value = softc->disk->d_delmaxsize;
2442 	error = sysctl_handle_64(oidp, &value, 0, req);
2443 	if ((error != 0) || (req->newptr == NULL))
2444 		return (error);
2445 
2446 	/* only accept values smaller than the calculated value */
2447 	if (value > dadeletemaxsize(softc, softc->delete_method)) {
2448 		return (EINVAL);
2449 	}
2450 	softc->disk->d_delmaxsize = value;
2451 
2452 	return (0);
2453 }
2454 
2455 static int
2456 dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
2457 {
2458 	int error, value;
2459 
2460 	value = *(int *)arg1;
2461 
2462 	error = sysctl_handle_int(oidp, &value, 0, req);
2463 
2464 	if ((error != 0)
2465 	 || (req->newptr == NULL))
2466 		return (error);
2467 
2468 	/*
2469 	 * Acceptable values here are 6, 10, 12 or 16.
2470 	 */
2471 	if (value < 6)
2472 		value = 6;
2473 	else if ((value > 6)
2474 	      && (value <= 10))
2475 		value = 10;
2476 	else if ((value > 10)
2477 	      && (value <= 12))
2478 		value = 12;
2479 	else if (value > 12)
2480 		value = 16;
2481 
2482 	*(int *)arg1 = value;
2483 
2484 	return (0);
2485 }
2486 
2487 static int
2488 dasysctlsofttimeout(SYSCTL_HANDLER_ARGS)
2489 {
2490 	sbintime_t value;
2491 	int error;
2492 
2493 	value = da_default_softtimeout / SBT_1MS;
2494 
2495 	error = sysctl_handle_int(oidp, (int *)&value, 0, req);
2496 	if ((error != 0) || (req->newptr == NULL))
2497 		return (error);
2498 
2499 	/* XXX Should clip this to a reasonable level */
2500 	if (value > da_default_timeout * 1000)
2501 		return (EINVAL);
2502 
2503 	da_default_softtimeout = value * SBT_1MS;
2504 	return (0);
2505 }
2506 
2507 static void
2508 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method)
2509 {
2510 
2511 	softc->delete_method = delete_method;
2512 	softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method);
2513 	softc->delete_func = da_delete_functions[delete_method];
2514 
2515 	if (softc->delete_method > DA_DELETE_DISABLE)
2516 		softc->disk->d_flags |= DISKFLAG_CANDELETE;
2517 	else
2518 		softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
2519 }
2520 
2521 static off_t
2522 dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method)
2523 {
2524 	off_t sectors;
2525 
2526 	switch(delete_method) {
2527 	case DA_DELETE_UNMAP:
2528 		sectors = (off_t)softc->unmap_max_lba;
2529 		break;
2530 	case DA_DELETE_ATA_TRIM:
2531 		sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
2532 		break;
2533 	case DA_DELETE_WS16:
2534 		sectors = omin(softc->ws_max_blks, WS16_MAX_BLKS);
2535 		break;
2536 	case DA_DELETE_ZERO:
2537 	case DA_DELETE_WS10:
2538 		sectors = omin(softc->ws_max_blks, WS10_MAX_BLKS);
2539 		break;
2540 	default:
2541 		return 0;
2542 	}
2543 
2544 	return (off_t)softc->params.secsize *
2545 	    omin(sectors, softc->params.sectors);
2546 }
2547 
2548 static void
2549 daprobedone(struct cam_periph *periph, union ccb *ccb)
2550 {
2551 	struct da_softc *softc;
2552 
2553 	softc = (struct da_softc *)periph->softc;
2554 
2555 	cam_periph_assert(periph, MA_OWNED);
2556 
2557 	dadeletemethodchoose(softc, DA_DELETE_NONE);
2558 
2559 	if (bootverbose && (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2560 		char buf[80];
2561 		int i, sep;
2562 
2563 		snprintf(buf, sizeof(buf), "Delete methods: <");
2564 		sep = 0;
2565 		for (i = 0; i <= DA_DELETE_MAX; i++) {
2566 			if ((softc->delete_available & (1 << i)) == 0 &&
2567 			    i != softc->delete_method)
2568 				continue;
2569 			if (sep)
2570 				strlcat(buf, ",", sizeof(buf));
2571 			strlcat(buf, da_delete_method_names[i],
2572 			    sizeof(buf));
2573 			if (i == softc->delete_method)
2574 				strlcat(buf, "(*)", sizeof(buf));
2575 			sep = 1;
2576 		}
2577 		strlcat(buf, ">", sizeof(buf));
2578 		printf("%s%d: %s\n", periph->periph_name,
2579 		    periph->unit_number, buf);
2580 	}
2581 	if ((softc->disk->d_flags & DISKFLAG_WRITE_PROTECT) != 0 &&
2582 	    (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2583 		printf("%s%d: Write Protected\n", periph->periph_name,
2584 		    periph->unit_number);
2585 	}
2586 
2587 	/*
2588 	 * Since our peripheral may be invalidated by an error
2589 	 * above or an external event, we must release our CCB
2590 	 * before releasing the probe lock on the peripheral.
2591 	 * The peripheral will only go away once the last lock
2592 	 * is removed, and we need it around for the CCB release
2593 	 * operation.
2594 	 */
2595 	xpt_release_ccb(ccb);
2596 	softc->state = DA_STATE_NORMAL;
2597 	softc->flags |= DA_FLAG_PROBED;
2598 	daschedule(periph);
2599 	wakeup(&softc->disk->d_mediasize);
2600 	if ((softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2601 		softc->flags |= DA_FLAG_ANNOUNCED;
2602 
2603 		/*
2604 		 * We'll release this reference once GEOM calls us back via
2605 		 * dadiskgonecb(), telling us that our provider has been freed.
2606 		 */
2607 		if (da_periph_acquire(periph, DA_REF_GEOM) == 0)
2608 			disk_create(softc->disk, DISK_VERSION);
2609 
2610 		cam_periph_release_boot(periph);
2611 	}
2612 	da_periph_release_locked(periph, DA_REF_REPROBE);
2613 }
2614 
2615 static void
2616 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method)
2617 {
2618 	int i, methods;
2619 
2620 	/* If available, prefer the method requested by user. */
2621 	i = softc->delete_method_pref;
2622 	methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
2623 	if (methods & (1 << i)) {
2624 		dadeletemethodset(softc, i);
2625 		return;
2626 	}
2627 
2628 	/* Use the pre-defined order to choose the best performing delete. */
2629 	for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
2630 		if (i == DA_DELETE_ZERO)
2631 			continue;
2632 		if (softc->delete_available & (1 << i)) {
2633 			dadeletemethodset(softc, i);
2634 			return;
2635 		}
2636 	}
2637 
2638 	/* Fallback to default. */
2639 	dadeletemethodset(softc, default_method);
2640 }
2641 
2642 static int
2643 dabitsysctl(SYSCTL_HANDLER_ARGS)
2644 {
2645 	u_int *flags = arg1;
2646 	u_int test = arg2;
2647 	int tmpout, error;
2648 
2649 	tmpout = !!(*flags & test);
2650 	error = SYSCTL_OUT(req, &tmpout, sizeof(tmpout));
2651 	if (error || !req->newptr)
2652 		return (error);
2653 
2654 	return (EPERM);
2655 }
2656 
2657 static int
2658 daflagssysctl(SYSCTL_HANDLER_ARGS)
2659 {
2660 	struct sbuf sbuf;
2661 	struct da_softc *softc = arg1;
2662 	int error;
2663 
2664 	sbuf_new_for_sysctl(&sbuf, NULL, 0, req);
2665 	if (softc->flags != 0)
2666 		sbuf_printf(&sbuf, "0x%b", (unsigned)softc->flags, DA_FLAG_STRING);
2667 	else
2668 		sbuf_printf(&sbuf, "0");
2669 	error = sbuf_finish(&sbuf);
2670 	sbuf_delete(&sbuf);
2671 
2672 	return (error);
2673 }
2674 
2675 static int
2676 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
2677 {
2678 	char buf[16];
2679 	const char *p;
2680 	struct da_softc *softc;
2681 	int i, error, value;
2682 
2683 	softc = (struct da_softc *)arg1;
2684 
2685 	value = softc->delete_method;
2686 	if (value < 0 || value > DA_DELETE_MAX)
2687 		p = "UNKNOWN";
2688 	else
2689 		p = da_delete_method_names[value];
2690 	strncpy(buf, p, sizeof(buf));
2691 	error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
2692 	if (error != 0 || req->newptr == NULL)
2693 		return (error);
2694 	for (i = 0; i <= DA_DELETE_MAX; i++) {
2695 		if (strcmp(buf, da_delete_method_names[i]) == 0)
2696 			break;
2697 	}
2698 	if (i > DA_DELETE_MAX)
2699 		return (EINVAL);
2700 	softc->delete_method_pref = i;
2701 	dadeletemethodchoose(softc, DA_DELETE_NONE);
2702 	return (0);
2703 }
2704 
2705 static int
2706 dazonemodesysctl(SYSCTL_HANDLER_ARGS)
2707 {
2708 	char tmpbuf[40];
2709 	struct da_softc *softc;
2710 	int error;
2711 
2712 	softc = (struct da_softc *)arg1;
2713 
2714 	switch (softc->zone_mode) {
2715 	case DA_ZONE_DRIVE_MANAGED:
2716 		snprintf(tmpbuf, sizeof(tmpbuf), "Drive Managed");
2717 		break;
2718 	case DA_ZONE_HOST_AWARE:
2719 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Aware");
2720 		break;
2721 	case DA_ZONE_HOST_MANAGED:
2722 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Managed");
2723 		break;
2724 	case DA_ZONE_NONE:
2725 	default:
2726 		snprintf(tmpbuf, sizeof(tmpbuf), "Not Zoned");
2727 		break;
2728 	}
2729 
2730 	error = sysctl_handle_string(oidp, tmpbuf, sizeof(tmpbuf), req);
2731 
2732 	return (error);
2733 }
2734 
2735 static int
2736 dazonesupsysctl(SYSCTL_HANDLER_ARGS)
2737 {
2738 	char tmpbuf[180];
2739 	struct da_softc *softc;
2740 	struct sbuf sb;
2741 	int error, first;
2742 	unsigned int i;
2743 
2744 	softc = (struct da_softc *)arg1;
2745 
2746 	error = 0;
2747 	first = 1;
2748 	sbuf_new(&sb, tmpbuf, sizeof(tmpbuf), 0);
2749 
2750 	for (i = 0; i < sizeof(da_zone_desc_table) /
2751 	     sizeof(da_zone_desc_table[0]); i++) {
2752 		if (softc->zone_flags & da_zone_desc_table[i].value) {
2753 			if (first == 0)
2754 				sbuf_printf(&sb, ", ");
2755 			else
2756 				first = 0;
2757 			sbuf_cat(&sb, da_zone_desc_table[i].desc);
2758 		}
2759 	}
2760 
2761 	if (first == 1)
2762 		sbuf_printf(&sb, "None");
2763 
2764 	sbuf_finish(&sb);
2765 
2766 	error = sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
2767 
2768 	return (error);
2769 }
2770 
2771 static cam_status
2772 daregister(struct cam_periph *periph, void *arg)
2773 {
2774 	struct da_softc *softc;
2775 	struct ccb_pathinq cpi;
2776 	struct ccb_getdev *cgd;
2777 	char tmpstr[80];
2778 	caddr_t match;
2779 	int quirks;
2780 
2781 	cgd = (struct ccb_getdev *)arg;
2782 	if (cgd == NULL) {
2783 		printf("daregister: no getdev CCB, can't register device\n");
2784 		return(CAM_REQ_CMP_ERR);
2785 	}
2786 
2787 	softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
2788 	    M_NOWAIT|M_ZERO);
2789 
2790 	if (softc == NULL) {
2791 		printf("daregister: Unable to probe new device. "
2792 		       "Unable to allocate softc\n");
2793 		return(CAM_REQ_CMP_ERR);
2794 	}
2795 
2796 	if (cam_iosched_init(&softc->cam_iosched, periph) != 0) {
2797 		printf("daregister: Unable to probe new device. "
2798 		       "Unable to allocate iosched memory\n");
2799 		free(softc, M_DEVBUF);
2800 		return(CAM_REQ_CMP_ERR);
2801 	}
2802 
2803 	LIST_INIT(&softc->pending_ccbs);
2804 	softc->state = DA_STATE_PROBE_WP;
2805 	bioq_init(&softc->delete_run_queue);
2806 	if (SID_IS_REMOVABLE(&cgd->inq_data))
2807 		softc->flags |= DA_FLAG_PACK_REMOVABLE;
2808 	softc->unmap_max_ranges = UNMAP_MAX_RANGES;
2809 	softc->unmap_max_lba = UNMAP_RANGE_MAX;
2810 	softc->unmap_gran = 0;
2811 	softc->unmap_gran_align = 0;
2812 	softc->ws_max_blks = WS16_MAX_BLKS;
2813 	softc->trim_max_ranges = ATA_TRIM_MAX_RANGES;
2814 	softc->flags |= DA_FLAG_ROTATING;
2815 
2816 	periph->softc = softc;
2817 
2818 	/*
2819 	 * See if this device has any quirks.
2820 	 */
2821 	match = cam_quirkmatch((caddr_t)&cgd->inq_data,
2822 			       (caddr_t)da_quirk_table,
2823 			       nitems(da_quirk_table),
2824 			       sizeof(*da_quirk_table), scsi_inquiry_match);
2825 
2826 	if (match != NULL)
2827 		softc->quirks = ((struct da_quirk_entry *)match)->quirks;
2828 	else
2829 		softc->quirks = DA_Q_NONE;
2830 
2831 	/* Check if the SIM does not want 6 byte commands */
2832 	xpt_path_inq(&cpi, periph->path);
2833 	if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
2834 		softc->quirks |= DA_Q_NO_6_BYTE;
2835 
2836 	/* Override quirks if tunable is set */
2837 	snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.quirks",
2838 		 periph->unit_number);
2839 	quirks = softc->quirks;
2840 	TUNABLE_INT_FETCH(tmpstr, &quirks);
2841 	softc->quirks = quirks;
2842 
2843 	if (SID_TYPE(&cgd->inq_data) == T_ZBC_HM)
2844 		softc->zone_mode = DA_ZONE_HOST_MANAGED;
2845 	else if (softc->quirks & DA_Q_SMR_DM)
2846 		softc->zone_mode = DA_ZONE_DRIVE_MANAGED;
2847 	else
2848 		softc->zone_mode = DA_ZONE_NONE;
2849 
2850 	if (softc->zone_mode != DA_ZONE_NONE) {
2851 		if (scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
2852 			if (scsi_vpd_supported_page(periph, SVPD_ZONED_BDC))
2853 				softc->zone_interface = DA_ZONE_IF_ATA_SAT;
2854 			else
2855 				softc->zone_interface = DA_ZONE_IF_ATA_PASS;
2856 		} else
2857 			softc->zone_interface = DA_ZONE_IF_SCSI;
2858 	}
2859 
2860 	TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
2861 
2862 	/*
2863 	 * Let XPT know we can use UMA-allocated CCBs.
2864 	 */
2865 	if (da_enable_uma_ccbs) {
2866 		KASSERT(da_ccb_zone != NULL,
2867 		    ("%s: NULL da_ccb_zone", __func__));
2868 		periph->ccb_zone = da_ccb_zone;
2869 	}
2870 
2871 	/*
2872 	 * Take a reference on the periph while dastart is called to finish the
2873 	 * probe.  The reference will be dropped in dadone at the end of probe.
2874 	 */
2875 	(void)da_periph_acquire(periph, DA_REF_REPROBE);
2876 
2877 	/*
2878 	 * Schedule a periodic event to occasionally send an
2879 	 * ordered tag to a device.
2880 	 */
2881 	callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
2882 	callout_reset_sbt(&softc->sendordered_c,
2883 	    SBT_1S / DA_ORDEREDTAG_INTERVAL * da_default_timeout, 0,
2884 	    dasendorderedtag, periph, C_PREL(1));
2885 
2886 	cam_periph_unlock(periph);
2887 	/*
2888 	 * RBC devices don't have to support READ(6), only READ(10).
2889 	 */
2890 	if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
2891 		softc->minimum_cmd_size = 10;
2892 	else
2893 		softc->minimum_cmd_size = 6;
2894 
2895 	/*
2896 	 * Load the user's default, if any.
2897 	 */
2898 	snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
2899 		 periph->unit_number);
2900 	TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
2901 
2902 	/*
2903 	 * 6, 10, 12 and 16 are the currently permissible values.
2904 	 */
2905 	if (softc->minimum_cmd_size > 12)
2906 		softc->minimum_cmd_size = 16;
2907 	else if (softc->minimum_cmd_size > 10)
2908 		softc->minimum_cmd_size = 12;
2909 	else if (softc->minimum_cmd_size > 6)
2910 		softc->minimum_cmd_size = 10;
2911 	else
2912 		softc->minimum_cmd_size = 6;
2913 
2914 	/* On first PROBE_WP request all more pages, then adjust. */
2915 	softc->mode_page = SMS_ALL_PAGES_PAGE;
2916 
2917 	/* Predict whether device may support READ CAPACITY(16). */
2918 	if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 &&
2919 	    (softc->quirks & DA_Q_NO_RC16) == 0) {
2920 		softc->flags |= DA_FLAG_CAN_RC16;
2921 	}
2922 
2923 	/*
2924 	 * Register this media as a disk.
2925 	 */
2926 	softc->disk = disk_alloc();
2927 	softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
2928 			  periph->unit_number, 0,
2929 			  DEVSTAT_BS_UNAVAILABLE,
2930 			  SID_TYPE(&cgd->inq_data) |
2931 			  XPORT_DEVSTAT_TYPE(cpi.transport),
2932 			  DEVSTAT_PRIORITY_DISK);
2933 	softc->disk->d_open = daopen;
2934 	softc->disk->d_close = daclose;
2935 	softc->disk->d_strategy = dastrategy;
2936 	if (cam_sim_pollable(periph->sim))
2937 		softc->disk->d_dump = dadump;
2938 	softc->disk->d_getattr = dagetattr;
2939 	softc->disk->d_gone = dadiskgonecb;
2940 	softc->disk->d_name = "da";
2941 	softc->disk->d_drv1 = periph;
2942 	if (cpi.maxio == 0)
2943 		softc->maxio = DFLTPHYS;	/* traditional default */
2944 	else if (cpi.maxio > maxphys)
2945 		softc->maxio = maxphys;		/* for safety */
2946 	else
2947 		softc->maxio = cpi.maxio;
2948 	if (softc->quirks & DA_Q_128KB)
2949 		softc->maxio = min(softc->maxio, 128 * 1024);
2950 	softc->disk->d_maxsize = softc->maxio;
2951 	softc->disk->d_unit = periph->unit_number;
2952 	softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION | DISKFLAG_CANZONE;
2953 	if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
2954 		softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
2955 	if ((cpi.hba_misc & PIM_UNMAPPED) != 0) {
2956 		softc->flags |= DA_FLAG_UNMAPPEDIO;
2957 		softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
2958 	}
2959 	cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
2960 	    sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
2961 	strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
2962 	cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
2963 	    cgd->inq_data.product, sizeof(cgd->inq_data.product),
2964 	    sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
2965 	softc->disk->d_hba_vendor = cpi.hba_vendor;
2966 	softc->disk->d_hba_device = cpi.hba_device;
2967 	softc->disk->d_hba_subvendor = cpi.hba_subvendor;
2968 	softc->disk->d_hba_subdevice = cpi.hba_subdevice;
2969 	snprintf(softc->disk->d_attachment, sizeof(softc->disk->d_attachment),
2970 	    "%s%d", cpi.dev_name, cpi.unit_number);
2971 	cam_periph_lock(periph);
2972 
2973 	/*
2974 	 * Add async callbacks for events of interest.
2975 	 * I don't bother checking if this fails as,
2976 	 * in most cases, the system will function just
2977 	 * fine without them and the only alternative
2978 	 * would be to not attach the device on failure.
2979 	 */
2980 	xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
2981 	    AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION |
2982 	    AC_INQ_CHANGED, daasync, periph, periph->path);
2983 
2984 	/*
2985 	 * Schedule a periodic media polling events.
2986 	 */
2987 	callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0);
2988 	if ((softc->flags & DA_FLAG_PACK_REMOVABLE) &&
2989 	    (cgd->inq_flags & SID_AEN) == 0 &&
2990 	    da_poll_period != 0) {
2991 		callout_reset_sbt(&softc->mediapoll_c, da_poll_period * SBT_1S,
2992 		    0, damediapoll, periph, C_PREL(1));
2993 	}
2994 
2995 	/* Released after probe when disk_create() call pass it to GEOM. */
2996 	cam_periph_hold_boot(periph);
2997 
2998 	xpt_schedule(periph, CAM_PRIORITY_DEV);
2999 	return(CAM_REQ_CMP);
3000 }
3001 
3002 static int
3003 da_zone_bio_to_scsi(int disk_zone_cmd)
3004 {
3005 	switch (disk_zone_cmd) {
3006 	case DISK_ZONE_OPEN:
3007 		return ZBC_OUT_SA_OPEN;
3008 	case DISK_ZONE_CLOSE:
3009 		return ZBC_OUT_SA_CLOSE;
3010 	case DISK_ZONE_FINISH:
3011 		return ZBC_OUT_SA_FINISH;
3012 	case DISK_ZONE_RWP:
3013 		return ZBC_OUT_SA_RWP;
3014 	}
3015 
3016 	return -1;
3017 }
3018 
3019 static int
3020 da_zone_cmd(struct cam_periph *periph, union ccb *ccb, struct bio *bp,
3021 	    int *queue_ccb)
3022 {
3023 	struct da_softc *softc;
3024 	int error;
3025 
3026 	error = 0;
3027 
3028 	if (bp->bio_cmd != BIO_ZONE) {
3029 		error = EINVAL;
3030 		goto bailout;
3031 	}
3032 
3033 	softc = periph->softc;
3034 
3035 	switch (bp->bio_zone.zone_cmd) {
3036 	case DISK_ZONE_OPEN:
3037 	case DISK_ZONE_CLOSE:
3038 	case DISK_ZONE_FINISH:
3039 	case DISK_ZONE_RWP: {
3040 		int zone_flags;
3041 		int zone_sa;
3042 		uint64_t lba;
3043 
3044 		zone_sa = da_zone_bio_to_scsi(bp->bio_zone.zone_cmd);
3045 		if (zone_sa == -1) {
3046 			xpt_print(periph->path, "Cannot translate zone "
3047 			    "cmd %#x to SCSI\n", bp->bio_zone.zone_cmd);
3048 			error = EINVAL;
3049 			goto bailout;
3050 		}
3051 
3052 		zone_flags = 0;
3053 		lba = bp->bio_zone.zone_params.rwp.id;
3054 
3055 		if (bp->bio_zone.zone_params.rwp.flags &
3056 		    DISK_ZONE_RWP_FLAG_ALL)
3057 			zone_flags |= ZBC_OUT_ALL;
3058 
3059 		if (softc->zone_interface != DA_ZONE_IF_ATA_PASS) {
3060 			scsi_zbc_out(&ccb->csio,
3061 				     /*retries*/ da_retry_count,
3062 				     /*cbfcnp*/ dadone,
3063 				     /*tag_action*/ MSG_SIMPLE_Q_TAG,
3064 				     /*service_action*/ zone_sa,
3065 				     /*zone_id*/ lba,
3066 				     /*zone_flags*/ zone_flags,
3067 				     /*data_ptr*/ NULL,
3068 				     /*dxfer_len*/ 0,
3069 				     /*sense_len*/ SSD_FULL_SIZE,
3070 				     /*timeout*/ da_default_timeout * 1000);
3071 		} else {
3072 			/*
3073 			 * Note that in this case, even though we can
3074 			 * technically use NCQ, we don't bother for several
3075 			 * reasons:
3076 			 * 1. It hasn't been tested on a SAT layer that
3077 			 *    supports it.  This is new as of SAT-4.
3078 			 * 2. Even when there is a SAT layer that supports
3079 			 *    it, that SAT layer will also probably support
3080 			 *    ZBC -> ZAC translation, since they are both
3081 			 *    in the SAT-4 spec.
3082 			 * 3. Translation will likely be preferable to ATA
3083 			 *    passthrough.  LSI / Avago at least single
3084 			 *    steps ATA passthrough commands in the HBA,
3085 			 *    regardless of protocol, so unless that
3086 			 *    changes, there is a performance penalty for
3087 			 *    doing ATA passthrough no matter whether
3088 			 *    you're using NCQ/FPDMA, DMA or PIO.
3089 			 * 4. It requires a 32-byte CDB, which at least at
3090 			 *    this point in CAM requires a CDB pointer, which
3091 			 *    would require us to allocate an additional bit
3092 			 *    of storage separate from the CCB.
3093 			 */
3094 			error = scsi_ata_zac_mgmt_out(&ccb->csio,
3095 			    /*retries*/ da_retry_count,
3096 			    /*cbfcnp*/ dadone,
3097 			    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3098 			    /*use_ncq*/ 0,
3099 			    /*zm_action*/ zone_sa,
3100 			    /*zone_id*/ lba,
3101 			    /*zone_flags*/ zone_flags,
3102 			    /*data_ptr*/ NULL,
3103 			    /*dxfer_len*/ 0,
3104 			    /*cdb_storage*/ NULL,
3105 			    /*cdb_storage_len*/ 0,
3106 			    /*sense_len*/ SSD_FULL_SIZE,
3107 			    /*timeout*/ da_default_timeout * 1000);
3108 			if (error != 0) {
3109 				error = EINVAL;
3110 				xpt_print(periph->path,
3111 				    "scsi_ata_zac_mgmt_out() returned an "
3112 				    "error!");
3113 				goto bailout;
3114 			}
3115 		}
3116 		*queue_ccb = 1;
3117 
3118 		break;
3119 	}
3120 	case DISK_ZONE_REPORT_ZONES: {
3121 		uint8_t *rz_ptr;
3122 		uint32_t num_entries, alloc_size;
3123 		struct disk_zone_report *rep;
3124 
3125 		rep = &bp->bio_zone.zone_params.report;
3126 
3127 		num_entries = rep->entries_allocated;
3128 		if (num_entries == 0) {
3129 			xpt_print(periph->path, "No entries allocated for "
3130 			    "Report Zones request\n");
3131 			error = EINVAL;
3132 			goto bailout;
3133 		}
3134 		alloc_size = sizeof(struct scsi_report_zones_hdr) +
3135 		    (sizeof(struct scsi_report_zones_desc) * num_entries);
3136 		alloc_size = min(alloc_size, softc->disk->d_maxsize);
3137 		rz_ptr = malloc(alloc_size, M_SCSIDA, M_NOWAIT | M_ZERO);
3138 		if (rz_ptr == NULL) {
3139 			xpt_print(periph->path, "Unable to allocate memory "
3140 			   "for Report Zones request\n");
3141 			error = ENOMEM;
3142 			goto bailout;
3143 		}
3144 
3145 		if (softc->zone_interface != DA_ZONE_IF_ATA_PASS) {
3146 			scsi_zbc_in(&ccb->csio,
3147 				    /*retries*/ da_retry_count,
3148 				    /*cbcfnp*/ dadone,
3149 				    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3150 				    /*service_action*/ ZBC_IN_SA_REPORT_ZONES,
3151 				    /*zone_start_lba*/ rep->starting_id,
3152 				    /*zone_options*/ rep->rep_options,
3153 				    /*data_ptr*/ rz_ptr,
3154 				    /*dxfer_len*/ alloc_size,
3155 				    /*sense_len*/ SSD_FULL_SIZE,
3156 				    /*timeout*/ da_default_timeout * 1000);
3157 		} else {
3158 			/*
3159 			 * Note that in this case, even though we can
3160 			 * technically use NCQ, we don't bother for several
3161 			 * reasons:
3162 			 * 1. It hasn't been tested on a SAT layer that
3163 			 *    supports it.  This is new as of SAT-4.
3164 			 * 2. Even when there is a SAT layer that supports
3165 			 *    it, that SAT layer will also probably support
3166 			 *    ZBC -> ZAC translation, since they are both
3167 			 *    in the SAT-4 spec.
3168 			 * 3. Translation will likely be preferable to ATA
3169 			 *    passthrough.  LSI / Avago at least single
3170 			 *    steps ATA passthrough commands in the HBA,
3171 			 *    regardless of protocol, so unless that
3172 			 *    changes, there is a performance penalty for
3173 			 *    doing ATA passthrough no matter whether
3174 			 *    you're using NCQ/FPDMA, DMA or PIO.
3175 			 * 4. It requires a 32-byte CDB, which at least at
3176 			 *    this point in CAM requires a CDB pointer, which
3177 			 *    would require us to allocate an additional bit
3178 			 *    of storage separate from the CCB.
3179 			 */
3180 			error = scsi_ata_zac_mgmt_in(&ccb->csio,
3181 			    /*retries*/ da_retry_count,
3182 			    /*cbcfnp*/ dadone,
3183 			    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3184 			    /*use_ncq*/ 0,
3185 			    /*zm_action*/ ATA_ZM_REPORT_ZONES,
3186 			    /*zone_id*/ rep->starting_id,
3187 			    /*zone_flags*/ rep->rep_options,
3188 			    /*data_ptr*/ rz_ptr,
3189 			    /*dxfer_len*/ alloc_size,
3190 			    /*cdb_storage*/ NULL,
3191 			    /*cdb_storage_len*/ 0,
3192 			    /*sense_len*/ SSD_FULL_SIZE,
3193 			    /*timeout*/ da_default_timeout * 1000);
3194 			if (error != 0) {
3195 				error = EINVAL;
3196 				xpt_print(periph->path,
3197 				    "scsi_ata_zac_mgmt_in() returned an "
3198 				    "error!");
3199 				goto bailout;
3200 			}
3201 		}
3202 
3203 		/*
3204 		 * For BIO_ZONE, this isn't normally needed.  However, it
3205 		 * is used by devstat_end_transaction_bio() to determine
3206 		 * how much data was transferred.
3207 		 */
3208 		/*
3209 		 * XXX KDM we have a problem.  But I'm not sure how to fix
3210 		 * it.  devstat uses bio_bcount - bio_resid to calculate
3211 		 * the amount of data transferred.   The GEOM disk code
3212 		 * uses bio_length - bio_resid to calculate the amount of
3213 		 * data in bio_completed.  We have different structure
3214 		 * sizes above and below the ada(4) driver.  So, if we
3215 		 * use the sizes above, the amount transferred won't be
3216 		 * quite accurate for devstat.  If we use different sizes
3217 		 * for bio_bcount and bio_length (above and below
3218 		 * respectively), then the residual needs to match one or
3219 		 * the other.  Everything is calculated after the bio
3220 		 * leaves the driver, so changing the values around isn't
3221 		 * really an option.  For now, just set the count to the
3222 		 * passed in length.  This means that the calculations
3223 		 * above (e.g. bio_completed) will be correct, but the
3224 		 * amount of data reported to devstat will be slightly
3225 		 * under or overstated.
3226 		 */
3227 		bp->bio_bcount = bp->bio_length;
3228 
3229 		*queue_ccb = 1;
3230 
3231 		break;
3232 	}
3233 	case DISK_ZONE_GET_PARAMS: {
3234 		struct disk_zone_disk_params *params;
3235 
3236 		params = &bp->bio_zone.zone_params.disk_params;
3237 		bzero(params, sizeof(*params));
3238 
3239 		switch (softc->zone_mode) {
3240 		case DA_ZONE_DRIVE_MANAGED:
3241 			params->zone_mode = DISK_ZONE_MODE_DRIVE_MANAGED;
3242 			break;
3243 		case DA_ZONE_HOST_AWARE:
3244 			params->zone_mode = DISK_ZONE_MODE_HOST_AWARE;
3245 			break;
3246 		case DA_ZONE_HOST_MANAGED:
3247 			params->zone_mode = DISK_ZONE_MODE_HOST_MANAGED;
3248 			break;
3249 		default:
3250 		case DA_ZONE_NONE:
3251 			params->zone_mode = DISK_ZONE_MODE_NONE;
3252 			break;
3253 		}
3254 
3255 		if (softc->zone_flags & DA_ZONE_FLAG_URSWRZ)
3256 			params->flags |= DISK_ZONE_DISK_URSWRZ;
3257 
3258 		if (softc->zone_flags & DA_ZONE_FLAG_OPT_SEQ_SET) {
3259 			params->optimal_seq_zones = softc->optimal_seq_zones;
3260 			params->flags |= DISK_ZONE_OPT_SEQ_SET;
3261 		}
3262 
3263 		if (softc->zone_flags & DA_ZONE_FLAG_OPT_NONSEQ_SET) {
3264 			params->optimal_nonseq_zones =
3265 			    softc->optimal_nonseq_zones;
3266 			params->flags |= DISK_ZONE_OPT_NONSEQ_SET;
3267 		}
3268 
3269 		if (softc->zone_flags & DA_ZONE_FLAG_MAX_SEQ_SET) {
3270 			params->max_seq_zones = softc->max_seq_zones;
3271 			params->flags |= DISK_ZONE_MAX_SEQ_SET;
3272 		}
3273 		if (softc->zone_flags & DA_ZONE_FLAG_RZ_SUP)
3274 			params->flags |= DISK_ZONE_RZ_SUP;
3275 
3276 		if (softc->zone_flags & DA_ZONE_FLAG_OPEN_SUP)
3277 			params->flags |= DISK_ZONE_OPEN_SUP;
3278 
3279 		if (softc->zone_flags & DA_ZONE_FLAG_CLOSE_SUP)
3280 			params->flags |= DISK_ZONE_CLOSE_SUP;
3281 
3282 		if (softc->zone_flags & DA_ZONE_FLAG_FINISH_SUP)
3283 			params->flags |= DISK_ZONE_FINISH_SUP;
3284 
3285 		if (softc->zone_flags & DA_ZONE_FLAG_RWP_SUP)
3286 			params->flags |= DISK_ZONE_RWP_SUP;
3287 		break;
3288 	}
3289 	default:
3290 		break;
3291 	}
3292 bailout:
3293 	return (error);
3294 }
3295 
3296 static void
3297 dastart(struct cam_periph *periph, union ccb *start_ccb)
3298 {
3299 	struct da_softc *softc;
3300 
3301 	cam_periph_assert(periph, MA_OWNED);
3302 	softc = (struct da_softc *)periph->softc;
3303 
3304 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n"));
3305 
3306 skipstate:
3307 	switch (softc->state) {
3308 	case DA_STATE_NORMAL:
3309 	{
3310 		struct bio *bp;
3311 		uint8_t tag_code;
3312 
3313 more:
3314 		bp = cam_iosched_next_bio(softc->cam_iosched);
3315 		if (bp == NULL) {
3316 			if (cam_iosched_has_work_flags(softc->cam_iosched,
3317 			    DA_WORK_TUR)) {
3318 				softc->flags |= DA_FLAG_TUR_PENDING;
3319 				cam_iosched_clr_work_flags(softc->cam_iosched,
3320 				    DA_WORK_TUR);
3321 				scsi_test_unit_ready(&start_ccb->csio,
3322 				     /*retries*/ da_retry_count,
3323 				     dadone_tur,
3324 				     MSG_SIMPLE_Q_TAG,
3325 				     SSD_FULL_SIZE,
3326 				     da_default_timeout * 1000);
3327 				start_ccb->ccb_h.ccb_bp = NULL;
3328 				start_ccb->ccb_h.ccb_state = DA_CCB_TUR;
3329 				xpt_action(start_ccb);
3330 			} else
3331 				xpt_release_ccb(start_ccb);
3332 			break;
3333 		}
3334 
3335 		if (bp->bio_cmd == BIO_DELETE) {
3336 			if (softc->delete_func != NULL) {
3337 				softc->delete_func(periph, start_ccb, bp);
3338 				goto out;
3339 			} else {
3340 				/*
3341 				 * Not sure this is possible, but failsafe by
3342 				 * lying and saying "sure, done."
3343 				 */
3344 				biofinish(bp, NULL, 0);
3345 				goto more;
3346 			}
3347 		}
3348 
3349 		if (cam_iosched_has_work_flags(softc->cam_iosched,
3350 		    DA_WORK_TUR)) {
3351 			cam_iosched_clr_work_flags(softc->cam_iosched,
3352 			    DA_WORK_TUR);
3353 			da_periph_release_locked(periph, DA_REF_TUR);
3354 		}
3355 
3356 		if ((bp->bio_flags & BIO_ORDERED) != 0 ||
3357 		    (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
3358 			softc->flags &= ~DA_FLAG_NEED_OTAG;
3359 			softc->flags |= DA_FLAG_WAS_OTAG;
3360 			tag_code = MSG_ORDERED_Q_TAG;
3361 		} else {
3362 			tag_code = MSG_SIMPLE_Q_TAG;
3363 		}
3364 
3365 		switch (bp->bio_cmd) {
3366 		case BIO_WRITE:
3367 		case BIO_READ:
3368 		{
3369 			void *data_ptr;
3370 			int rw_op;
3371 
3372 			biotrack(bp, __func__);
3373 
3374 			if (bp->bio_cmd == BIO_WRITE) {
3375 				softc->flags |= DA_FLAG_DIRTY;
3376 				rw_op = SCSI_RW_WRITE;
3377 			} else {
3378 				rw_op = SCSI_RW_READ;
3379 			}
3380 
3381 			data_ptr = bp->bio_data;
3382 			if ((bp->bio_flags & (BIO_UNMAPPED|BIO_VLIST)) != 0) {
3383 				rw_op |= SCSI_RW_BIO;
3384 				data_ptr = bp;
3385 			}
3386 
3387 			scsi_read_write(&start_ccb->csio,
3388 					/*retries*/da_retry_count,
3389 					/*cbfcnp*/dadone,
3390 					/*tag_action*/tag_code,
3391 					rw_op,
3392 					/*byte2*/0,
3393 					softc->minimum_cmd_size,
3394 					/*lba*/bp->bio_pblkno,
3395 					/*block_count*/bp->bio_bcount /
3396 					softc->params.secsize,
3397 					data_ptr,
3398 					/*dxfer_len*/ bp->bio_bcount,
3399 					/*sense_len*/SSD_FULL_SIZE,
3400 					da_default_timeout * 1000);
3401 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
3402 			start_ccb->csio.bio = bp;
3403 #endif
3404 			break;
3405 		}
3406 		case BIO_FLUSH:
3407 			/*
3408 			 * If we don't support sync cache, or the disk
3409 			 * isn't dirty, FLUSH is a no-op.  Use the
3410 			 * allocated CCB for the next bio if one is
3411 			 * available.
3412 			 */
3413 			if ((softc->quirks & DA_Q_NO_SYNC_CACHE) != 0 ||
3414 			    (softc->flags & DA_FLAG_DIRTY) == 0) {
3415 				biodone(bp);
3416 				goto skipstate;
3417 			}
3418 
3419 			/*
3420 			 * BIO_FLUSH doesn't currently communicate
3421 			 * range data, so we synchronize the cache
3422 			 * over the whole disk.
3423 			 */
3424 			scsi_synchronize_cache(&start_ccb->csio,
3425 					       /*retries*/1,
3426 					       /*cbfcnp*/dadone,
3427 					       /*tag_action*/tag_code,
3428 					       /*begin_lba*/0,
3429 					       /*lb_count*/0,
3430 					       SSD_FULL_SIZE,
3431 					       da_default_timeout*1000);
3432 			/*
3433 			 * Clear the dirty flag before sending the command.
3434 			 * Either this sync cache will be successful, or it
3435 			 * will fail after a retry.  If it fails, it is
3436 			 * unlikely to be successful if retried later, so
3437 			 * we'll save ourselves time by just marking the
3438 			 * device clean.
3439 			 */
3440 			softc->flags &= ~DA_FLAG_DIRTY;
3441 			break;
3442 		case BIO_ZONE: {
3443 			int error, queue_ccb;
3444 
3445 			queue_ccb = 0;
3446 
3447 			error = da_zone_cmd(periph, start_ccb, bp,&queue_ccb);
3448 			if ((error != 0)
3449 			 || (queue_ccb == 0)) {
3450 				biofinish(bp, NULL, error);
3451 				xpt_release_ccb(start_ccb);
3452 				return;
3453 			}
3454 			break;
3455 		}
3456 		default:
3457 			biofinish(bp, NULL, EOPNOTSUPP);
3458 			xpt_release_ccb(start_ccb);
3459 			return;
3460 		}
3461 		start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
3462 		start_ccb->ccb_h.flags |= CAM_UNLOCKED;
3463 		start_ccb->ccb_h.softtimeout = sbttotv(da_default_softtimeout);
3464 
3465 out:
3466 		LIST_INSERT_HEAD(&softc->pending_ccbs,
3467 				 &start_ccb->ccb_h, periph_links.le);
3468 
3469 		/* We expect a unit attention from this device */
3470 		if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
3471 			start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
3472 			softc->flags &= ~DA_FLAG_RETRY_UA;
3473 		}
3474 
3475 		start_ccb->ccb_h.ccb_bp = bp;
3476 		softc->refcount++;
3477 		cam_periph_unlock(periph);
3478 		xpt_action(start_ccb);
3479 		cam_periph_lock(periph);
3480 
3481 		/* May have more work to do, so ensure we stay scheduled */
3482 		daschedule(periph);
3483 		break;
3484 	}
3485 	case DA_STATE_PROBE_WP:
3486 	{
3487 		void  *mode_buf;
3488 		int    mode_buf_len;
3489 
3490 		if (da_disable_wp_detection || softc->mode_page < 0) {
3491 			if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
3492 				softc->state = DA_STATE_PROBE_RC16;
3493 			else
3494 				softc->state = DA_STATE_PROBE_RC;
3495 			goto skipstate;
3496 		}
3497 		mode_buf_len = 192;
3498 		mode_buf = malloc(mode_buf_len, M_SCSIDA, M_NOWAIT);
3499 		if (mode_buf == NULL) {
3500 			xpt_print(periph->path, "Unable to send mode sense - "
3501 			    "malloc failure\n");
3502 			if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
3503 				softc->state = DA_STATE_PROBE_RC16;
3504 			else
3505 				softc->state = DA_STATE_PROBE_RC;
3506 			goto skipstate;
3507 		}
3508 		scsi_mode_sense_len(&start_ccb->csio,
3509 				    /*retries*/ da_retry_count,
3510 				    /*cbfcnp*/ dadone_probewp,
3511 				    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3512 				    /*dbd*/ FALSE,
3513 				    /*pc*/ SMS_PAGE_CTRL_CURRENT,
3514 				    /*page*/ softc->mode_page,
3515 				    /*param_buf*/ mode_buf,
3516 				    /*param_len*/ mode_buf_len,
3517 				    /*minimum_cmd_size*/ softc->minimum_cmd_size,
3518 				    /*sense_len*/ SSD_FULL_SIZE,
3519 				    /*timeout*/ da_default_timeout * 1000);
3520 		start_ccb->ccb_h.ccb_bp = NULL;
3521 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_WP;
3522 		xpt_action(start_ccb);
3523 		break;
3524 	}
3525 	case DA_STATE_PROBE_RC:
3526 	{
3527 		struct scsi_read_capacity_data *rcap;
3528 
3529 		rcap = (struct scsi_read_capacity_data *)
3530 		    malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO);
3531 		if (rcap == NULL) {
3532 			printf("dastart: Couldn't malloc read_capacity data\n");
3533 			/* da_free_periph??? */
3534 			break;
3535 		}
3536 		scsi_read_capacity(&start_ccb->csio,
3537 				   /*retries*/da_retry_count,
3538 				   dadone_proberc,
3539 				   MSG_SIMPLE_Q_TAG,
3540 				   rcap,
3541 				   SSD_FULL_SIZE,
3542 				   /*timeout*/5000);
3543 		start_ccb->ccb_h.ccb_bp = NULL;
3544 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC;
3545 		xpt_action(start_ccb);
3546 		break;
3547 	}
3548 	case DA_STATE_PROBE_RC16:
3549 	{
3550 		struct scsi_read_capacity_data_long *rcaplong;
3551 
3552 		rcaplong = (struct scsi_read_capacity_data_long *)
3553 			malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO);
3554 		if (rcaplong == NULL) {
3555 			printf("dastart: Couldn't malloc read_capacity data\n");
3556 			/* da_free_periph??? */
3557 			break;
3558 		}
3559 		scsi_read_capacity_16(&start_ccb->csio,
3560 				      /*retries*/ da_retry_count,
3561 				      /*cbfcnp*/ dadone_proberc,
3562 				      /*tag_action*/ MSG_SIMPLE_Q_TAG,
3563 				      /*lba*/ 0,
3564 				      /*reladr*/ 0,
3565 				      /*pmi*/ 0,
3566 				      /*rcap_buf*/ (uint8_t *)rcaplong,
3567 				      /*rcap_buf_len*/ sizeof(*rcaplong),
3568 				      /*sense_len*/ SSD_FULL_SIZE,
3569 				      /*timeout*/ da_default_timeout * 1000);
3570 		start_ccb->ccb_h.ccb_bp = NULL;
3571 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16;
3572 		xpt_action(start_ccb);
3573 		break;
3574 	}
3575 	case DA_STATE_PROBE_LBP:
3576 	{
3577 		struct scsi_vpd_logical_block_prov *lbp;
3578 
3579 		if (!scsi_vpd_supported_page(periph, SVPD_LBP)) {
3580 			/*
3581 			 * If we get here we don't support any SBC-3 delete
3582 			 * methods with UNMAP as the Logical Block Provisioning
3583 			 * VPD page support is required for devices which
3584 			 * support it according to T10/1799-D Revision 31
3585 			 * however older revisions of the spec don't mandate
3586 			 * this so we currently don't remove these methods
3587 			 * from the available set.
3588 			 */
3589 			softc->state = DA_STATE_PROBE_BLK_LIMITS;
3590 			goto skipstate;
3591 		}
3592 
3593 		lbp = (struct scsi_vpd_logical_block_prov *)
3594 			malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO);
3595 
3596 		if (lbp == NULL) {
3597 			printf("dastart: Couldn't malloc lbp data\n");
3598 			/* da_free_periph??? */
3599 			break;
3600 		}
3601 
3602 		scsi_inquiry(&start_ccb->csio,
3603 			     /*retries*/da_retry_count,
3604 			     /*cbfcnp*/dadone_probelbp,
3605 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3606 			     /*inq_buf*/(uint8_t *)lbp,
3607 			     /*inq_len*/sizeof(*lbp),
3608 			     /*evpd*/TRUE,
3609 			     /*page_code*/SVPD_LBP,
3610 			     /*sense_len*/SSD_MIN_SIZE,
3611 			     /*timeout*/da_default_timeout * 1000);
3612 		start_ccb->ccb_h.ccb_bp = NULL;
3613 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP;
3614 		xpt_action(start_ccb);
3615 		break;
3616 	}
3617 	case DA_STATE_PROBE_BLK_LIMITS:
3618 	{
3619 		struct scsi_vpd_block_limits *block_limits;
3620 
3621 		if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) {
3622 			/* Not supported skip to next probe */
3623 			softc->state = DA_STATE_PROBE_BDC;
3624 			goto skipstate;
3625 		}
3626 
3627 		block_limits = (struct scsi_vpd_block_limits *)
3628 			malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO);
3629 
3630 		if (block_limits == NULL) {
3631 			printf("dastart: Couldn't malloc block_limits data\n");
3632 			/* da_free_periph??? */
3633 			break;
3634 		}
3635 
3636 		scsi_inquiry(&start_ccb->csio,
3637 			     /*retries*/da_retry_count,
3638 			     /*cbfcnp*/dadone_probeblklimits,
3639 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3640 			     /*inq_buf*/(uint8_t *)block_limits,
3641 			     /*inq_len*/sizeof(*block_limits),
3642 			     /*evpd*/TRUE,
3643 			     /*page_code*/SVPD_BLOCK_LIMITS,
3644 			     /*sense_len*/SSD_MIN_SIZE,
3645 			     /*timeout*/da_default_timeout * 1000);
3646 		start_ccb->ccb_h.ccb_bp = NULL;
3647 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS;
3648 		xpt_action(start_ccb);
3649 		break;
3650 	}
3651 	case DA_STATE_PROBE_BDC:
3652 	{
3653 		struct scsi_vpd_block_device_characteristics *bdc;
3654 
3655 		if (!scsi_vpd_supported_page(periph, SVPD_BDC)) {
3656 			softc->state = DA_STATE_PROBE_ATA;
3657 			goto skipstate;
3658 		}
3659 
3660 		bdc = (struct scsi_vpd_block_device_characteristics *)
3661 			malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
3662 
3663 		if (bdc == NULL) {
3664 			printf("dastart: Couldn't malloc bdc data\n");
3665 			/* da_free_periph??? */
3666 			break;
3667 		}
3668 
3669 		scsi_inquiry(&start_ccb->csio,
3670 			     /*retries*/da_retry_count,
3671 			     /*cbfcnp*/dadone_probebdc,
3672 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3673 			     /*inq_buf*/(uint8_t *)bdc,
3674 			     /*inq_len*/sizeof(*bdc),
3675 			     /*evpd*/TRUE,
3676 			     /*page_code*/SVPD_BDC,
3677 			     /*sense_len*/SSD_MIN_SIZE,
3678 			     /*timeout*/da_default_timeout * 1000);
3679 		start_ccb->ccb_h.ccb_bp = NULL;
3680 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC;
3681 		xpt_action(start_ccb);
3682 		break;
3683 	}
3684 	case DA_STATE_PROBE_ATA:
3685 	{
3686 		struct ata_params *ata_params;
3687 
3688 		if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
3689 			if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
3690 			 || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
3691 				/*
3692 				 * Note that if the ATA VPD page isn't
3693 				 * supported, we aren't talking to an ATA
3694 				 * device anyway.  Support for that VPD
3695 				 * page is mandatory for SCSI to ATA (SAT)
3696 				 * translation layers.
3697 				 */
3698 				softc->state = DA_STATE_PROBE_ZONE;
3699 				goto skipstate;
3700 			}
3701 			daprobedone(periph, start_ccb);
3702 			break;
3703 		}
3704 
3705 		ata_params = &periph->path->device->ident_data;
3706 
3707 		scsi_ata_identify(&start_ccb->csio,
3708 				  /*retries*/da_retry_count,
3709 				  /*cbfcnp*/dadone_probeata,
3710                                   /*tag_action*/MSG_SIMPLE_Q_TAG,
3711 				  /*data_ptr*/(uint8_t *)ata_params,
3712 				  /*dxfer_len*/sizeof(*ata_params),
3713 				  /*sense_len*/SSD_FULL_SIZE,
3714 				  /*timeout*/da_default_timeout * 1000);
3715 		start_ccb->ccb_h.ccb_bp = NULL;
3716 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA;
3717 		xpt_action(start_ccb);
3718 		break;
3719 	}
3720 	case DA_STATE_PROBE_ATA_LOGDIR:
3721 	{
3722 		struct ata_gp_log_dir *log_dir;
3723 		int retval;
3724 
3725 		retval = 0;
3726 
3727 		if ((softc->flags & DA_FLAG_CAN_ATA_LOG) == 0) {
3728 			/*
3729 			 * If we don't have log support, not much point in
3730 			 * trying to probe zone support.
3731 			 */
3732 			daprobedone(periph, start_ccb);
3733 			break;
3734 		}
3735 
3736 		/*
3737 		 * If we have an ATA device (the SCSI ATA Information VPD
3738 		 * page should be present and the ATA identify should have
3739 		 * succeeded) and it supports logs, ask for the log directory.
3740 		 */
3741 
3742 		log_dir = malloc(sizeof(*log_dir), M_SCSIDA, M_NOWAIT|M_ZERO);
3743 		if (log_dir == NULL) {
3744 			xpt_print(periph->path, "Couldn't malloc log_dir "
3745 			    "data\n");
3746 			daprobedone(periph, start_ccb);
3747 			break;
3748 		}
3749 
3750 		retval = scsi_ata_read_log(&start_ccb->csio,
3751 		    /*retries*/ da_retry_count,
3752 		    /*cbfcnp*/ dadone_probeatalogdir,
3753 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3754 		    /*log_address*/ ATA_LOG_DIRECTORY,
3755 		    /*page_number*/ 0,
3756 		    /*block_count*/ 1,
3757 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3758 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3759 		    /*data_ptr*/ (uint8_t *)log_dir,
3760 		    /*dxfer_len*/ sizeof(*log_dir),
3761 		    /*sense_len*/ SSD_FULL_SIZE,
3762 		    /*timeout*/ da_default_timeout * 1000);
3763 
3764 		if (retval != 0) {
3765 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3766 			free(log_dir, M_SCSIDA);
3767 			daprobedone(periph, start_ccb);
3768 			break;
3769 		}
3770 		start_ccb->ccb_h.ccb_bp = NULL;
3771 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_LOGDIR;
3772 		xpt_action(start_ccb);
3773 		break;
3774 	}
3775 	case DA_STATE_PROBE_ATA_IDDIR:
3776 	{
3777 		struct ata_identify_log_pages *id_dir;
3778 		int retval;
3779 
3780 		retval = 0;
3781 
3782 		/*
3783 		 * Check here to see whether the Identify Device log is
3784 		 * supported in the directory of logs.  If so, continue
3785 		 * with requesting the log of identify device pages.
3786 		 */
3787 		if ((softc->flags & DA_FLAG_CAN_ATA_IDLOG) == 0) {
3788 			daprobedone(periph, start_ccb);
3789 			break;
3790 		}
3791 
3792 		id_dir = malloc(sizeof(*id_dir), M_SCSIDA, M_NOWAIT | M_ZERO);
3793 		if (id_dir == NULL) {
3794 			xpt_print(periph->path, "Couldn't malloc id_dir "
3795 			    "data\n");
3796 			daprobedone(periph, start_ccb);
3797 			break;
3798 		}
3799 
3800 		retval = scsi_ata_read_log(&start_ccb->csio,
3801 		    /*retries*/ da_retry_count,
3802 		    /*cbfcnp*/ dadone_probeataiddir,
3803 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3804 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3805 		    /*page_number*/ ATA_IDL_PAGE_LIST,
3806 		    /*block_count*/ 1,
3807 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3808 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3809 		    /*data_ptr*/ (uint8_t *)id_dir,
3810 		    /*dxfer_len*/ sizeof(*id_dir),
3811 		    /*sense_len*/ SSD_FULL_SIZE,
3812 		    /*timeout*/ da_default_timeout * 1000);
3813 
3814 		if (retval != 0) {
3815 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3816 			free(id_dir, M_SCSIDA);
3817 			daprobedone(periph, start_ccb);
3818 			break;
3819 		}
3820 		start_ccb->ccb_h.ccb_bp = NULL;
3821 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_IDDIR;
3822 		xpt_action(start_ccb);
3823 		break;
3824 	}
3825 	case DA_STATE_PROBE_ATA_SUP:
3826 	{
3827 		struct ata_identify_log_sup_cap *sup_cap;
3828 		int retval;
3829 
3830 		retval = 0;
3831 
3832 		/*
3833 		 * Check here to see whether the Supported Capabilities log
3834 		 * is in the list of Identify Device logs.
3835 		 */
3836 		if ((softc->flags & DA_FLAG_CAN_ATA_SUPCAP) == 0) {
3837 			daprobedone(periph, start_ccb);
3838 			break;
3839 		}
3840 
3841 		sup_cap = malloc(sizeof(*sup_cap), M_SCSIDA, M_NOWAIT|M_ZERO);
3842 		if (sup_cap == NULL) {
3843 			xpt_print(periph->path, "Couldn't malloc sup_cap "
3844 			    "data\n");
3845 			daprobedone(periph, start_ccb);
3846 			break;
3847 		}
3848 
3849 		retval = scsi_ata_read_log(&start_ccb->csio,
3850 		    /*retries*/ da_retry_count,
3851 		    /*cbfcnp*/ dadone_probeatasup,
3852 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3853 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3854 		    /*page_number*/ ATA_IDL_SUP_CAP,
3855 		    /*block_count*/ 1,
3856 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3857 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3858 		    /*data_ptr*/ (uint8_t *)sup_cap,
3859 		    /*dxfer_len*/ sizeof(*sup_cap),
3860 		    /*sense_len*/ SSD_FULL_SIZE,
3861 		    /*timeout*/ da_default_timeout * 1000);
3862 
3863 		if (retval != 0) {
3864 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3865 			free(sup_cap, M_SCSIDA);
3866 			daprobedone(periph, start_ccb);
3867 			break;
3868 		}
3869 
3870 		start_ccb->ccb_h.ccb_bp = NULL;
3871 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_SUP;
3872 		xpt_action(start_ccb);
3873 		break;
3874 	}
3875 	case DA_STATE_PROBE_ATA_ZONE:
3876 	{
3877 		struct ata_zoned_info_log *ata_zone;
3878 		int retval;
3879 
3880 		retval = 0;
3881 
3882 		/*
3883 		 * Check here to see whether the zoned device information
3884 		 * page is supported.  If so, continue on to request it.
3885 		 * If not, skip to DA_STATE_PROBE_LOG or done.
3886 		 */
3887 		if ((softc->flags & DA_FLAG_CAN_ATA_ZONE) == 0) {
3888 			daprobedone(periph, start_ccb);
3889 			break;
3890 		}
3891 		ata_zone = malloc(sizeof(*ata_zone), M_SCSIDA,
3892 				  M_NOWAIT|M_ZERO);
3893 		if (ata_zone == NULL) {
3894 			xpt_print(periph->path, "Couldn't malloc ata_zone "
3895 			    "data\n");
3896 			daprobedone(periph, start_ccb);
3897 			break;
3898 		}
3899 
3900 		retval = scsi_ata_read_log(&start_ccb->csio,
3901 		    /*retries*/ da_retry_count,
3902 		    /*cbfcnp*/ dadone_probeatazone,
3903 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3904 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3905 		    /*page_number*/ ATA_IDL_ZDI,
3906 		    /*block_count*/ 1,
3907 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3908 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3909 		    /*data_ptr*/ (uint8_t *)ata_zone,
3910 		    /*dxfer_len*/ sizeof(*ata_zone),
3911 		    /*sense_len*/ SSD_FULL_SIZE,
3912 		    /*timeout*/ da_default_timeout * 1000);
3913 
3914 		if (retval != 0) {
3915 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3916 			free(ata_zone, M_SCSIDA);
3917 			daprobedone(periph, start_ccb);
3918 			break;
3919 		}
3920 		start_ccb->ccb_h.ccb_bp = NULL;
3921 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_ZONE;
3922 		xpt_action(start_ccb);
3923 
3924 		break;
3925 	}
3926 	case DA_STATE_PROBE_ZONE:
3927 	{
3928 		struct scsi_vpd_zoned_bdc *bdc;
3929 
3930 		/*
3931 		 * Note that this page will be supported for SCSI protocol
3932 		 * devices that support ZBC (SMR devices), as well as ATA
3933 		 * protocol devices that are behind a SAT (SCSI to ATA
3934 		 * Translation) layer that supports converting ZBC commands
3935 		 * to their ZAC equivalents.
3936 		 */
3937 		if (!scsi_vpd_supported_page(periph, SVPD_ZONED_BDC)) {
3938 			daprobedone(periph, start_ccb);
3939 			break;
3940 		}
3941 		bdc = (struct scsi_vpd_zoned_bdc *)
3942 			malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
3943 
3944 		if (bdc == NULL) {
3945 			xpt_release_ccb(start_ccb);
3946 			xpt_print(periph->path, "Couldn't malloc zone VPD "
3947 			    "data\n");
3948 			break;
3949 		}
3950 		scsi_inquiry(&start_ccb->csio,
3951 			     /*retries*/da_retry_count,
3952 			     /*cbfcnp*/dadone_probezone,
3953 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3954 			     /*inq_buf*/(uint8_t *)bdc,
3955 			     /*inq_len*/sizeof(*bdc),
3956 			     /*evpd*/TRUE,
3957 			     /*page_code*/SVPD_ZONED_BDC,
3958 			     /*sense_len*/SSD_FULL_SIZE,
3959 			     /*timeout*/da_default_timeout * 1000);
3960 		start_ccb->ccb_h.ccb_bp = NULL;
3961 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ZONE;
3962 		xpt_action(start_ccb);
3963 		break;
3964 	}
3965 	}
3966 }
3967 
3968 /*
3969  * In each of the methods below, while its the caller's
3970  * responsibility to ensure the request will fit into a
3971  * single device request, we might have changed the delete
3972  * method due to the device incorrectly advertising either
3973  * its supported methods or limits.
3974  *
3975  * To prevent this causing further issues we validate the
3976  * against the methods limits, and warn which would
3977  * otherwise be unnecessary.
3978  */
3979 static void
3980 da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
3981 {
3982 	struct da_softc *softc = (struct da_softc *)periph->softc;
3983 	struct bio *bp1;
3984 	uint8_t *buf = softc->unmap_buf;
3985 	struct scsi_unmap_desc *d = (void *)&buf[UNMAP_HEAD_SIZE];
3986 	uint64_t lba, lastlba = (uint64_t)-1;
3987 	uint64_t totalcount = 0;
3988 	uint64_t count;
3989 	uint32_t c, lastcount = 0, ranges = 0;
3990 
3991 	/*
3992 	 * Currently this doesn't take the UNMAP
3993 	 * Granularity and Granularity Alignment
3994 	 * fields into account.
3995 	 *
3996 	 * This could result in both unoptimal unmap
3997 	 * requests as as well as UNMAP calls unmapping
3998 	 * fewer LBA's than requested.
3999 	 */
4000 
4001 	bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
4002 	bp1 = bp;
4003 	do {
4004 		/*
4005 		 * Note: ada and da are different in how they store the
4006 		 * pending bp's in a trim. ada stores all of them in the
4007 		 * trim_req.bps. da stores all but the first one in the
4008 		 * delete_run_queue. ada then completes all the bps in
4009 		 * its adadone() loop. da completes all the bps in the
4010 		 * delete_run_queue in dadone, and relies on the biodone
4011 		 * after to complete. This should be reconciled since there's
4012 		 * no real reason to do it differently. XXX
4013 		 */
4014 		if (bp1 != bp)
4015 			bioq_insert_tail(&softc->delete_run_queue, bp1);
4016 		lba = bp1->bio_pblkno;
4017 		count = bp1->bio_bcount / softc->params.secsize;
4018 
4019 		/* Try to extend the previous range. */
4020 		if (lba == lastlba) {
4021 			c = omin(count, UNMAP_RANGE_MAX - lastcount);
4022 			lastlba += c;
4023 			lastcount += c;
4024 			scsi_ulto4b(lastcount, d[ranges - 1].length);
4025 			count -= c;
4026 			lba += c;
4027 			totalcount += c;
4028 		} else if ((softc->quirks & DA_Q_STRICT_UNMAP) &&
4029 		    softc->unmap_gran != 0) {
4030 			/* Align length of the previous range. */
4031 			if ((c = lastcount % softc->unmap_gran) != 0) {
4032 				if (lastcount <= c) {
4033 					totalcount -= lastcount;
4034 					lastlba = (uint64_t)-1;
4035 					lastcount = 0;
4036 					ranges--;
4037 				} else {
4038 					totalcount -= c;
4039 					lastlba -= c;
4040 					lastcount -= c;
4041 					scsi_ulto4b(lastcount,
4042 					    d[ranges - 1].length);
4043 				}
4044 			}
4045 			/* Align beginning of the new range. */
4046 			c = (lba - softc->unmap_gran_align) % softc->unmap_gran;
4047 			if (c != 0) {
4048 				c = softc->unmap_gran - c;
4049 				if (count <= c) {
4050 					count = 0;
4051 				} else {
4052 					lba += c;
4053 					count -= c;
4054 				}
4055 			}
4056 		}
4057 
4058 		while (count > 0) {
4059 			c = omin(count, UNMAP_RANGE_MAX);
4060 			if (totalcount + c > softc->unmap_max_lba ||
4061 			    ranges >= softc->unmap_max_ranges) {
4062 				xpt_print(periph->path,
4063 				    "%s issuing short delete %ld > %ld"
4064 				    "|| %d >= %d",
4065 				    da_delete_method_desc[softc->delete_method],
4066 				    totalcount + c, softc->unmap_max_lba,
4067 				    ranges, softc->unmap_max_ranges);
4068 				break;
4069 			}
4070 			scsi_u64to8b(lba, d[ranges].lba);
4071 			scsi_ulto4b(c, d[ranges].length);
4072 			lba += c;
4073 			totalcount += c;
4074 			ranges++;
4075 			count -= c;
4076 			lastlba = lba;
4077 			lastcount = c;
4078 		}
4079 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
4080 		if (bp1 == NULL)
4081 			break;
4082 		if (ranges >= softc->unmap_max_ranges ||
4083 		    totalcount + bp1->bio_bcount /
4084 		    softc->params.secsize > softc->unmap_max_lba) {
4085 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
4086 			break;
4087 		}
4088 	} while (1);
4089 
4090 	/* Align length of the last range. */
4091 	if ((softc->quirks & DA_Q_STRICT_UNMAP) && softc->unmap_gran != 0 &&
4092 	    (c = lastcount % softc->unmap_gran) != 0) {
4093 		if (lastcount <= c)
4094 			ranges--;
4095 		else
4096 			scsi_ulto4b(lastcount - c, d[ranges - 1].length);
4097 	}
4098 
4099 	scsi_ulto2b(ranges * 16 + 6, &buf[0]);
4100 	scsi_ulto2b(ranges * 16, &buf[2]);
4101 
4102 	scsi_unmap(&ccb->csio,
4103 		   /*retries*/da_retry_count,
4104 		   /*cbfcnp*/dadone,
4105 		   /*tag_action*/MSG_SIMPLE_Q_TAG,
4106 		   /*byte2*/0,
4107 		   /*data_ptr*/ buf,
4108 		   /*dxfer_len*/ ranges * 16 + 8,
4109 		   /*sense_len*/SSD_FULL_SIZE,
4110 		   da_default_timeout * 1000);
4111 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4112 	ccb->ccb_h.flags |= CAM_UNLOCKED;
4113 	softc->trim_count++;
4114 	softc->trim_ranges += ranges;
4115 	softc->trim_lbas += totalcount;
4116 	cam_iosched_submit_trim(softc->cam_iosched);
4117 }
4118 
4119 static void
4120 da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
4121 {
4122 	struct da_softc *softc = (struct da_softc *)periph->softc;
4123 	struct bio *bp1;
4124 	uint8_t *buf = softc->unmap_buf;
4125 	uint64_t lastlba = (uint64_t)-1;
4126 	uint64_t count;
4127 	uint64_t lba;
4128 	uint32_t lastcount = 0, c, requestcount;
4129 	int ranges = 0, off, block_count;
4130 
4131 	bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
4132 	bp1 = bp;
4133 	do {
4134 		if (bp1 != bp)//XXX imp XXX
4135 			bioq_insert_tail(&softc->delete_run_queue, bp1);
4136 		lba = bp1->bio_pblkno;
4137 		count = bp1->bio_bcount / softc->params.secsize;
4138 		requestcount = count;
4139 
4140 		/* Try to extend the previous range. */
4141 		if (lba == lastlba) {
4142 			c = omin(count, ATA_DSM_RANGE_MAX - lastcount);
4143 			lastcount += c;
4144 			off = (ranges - 1) * 8;
4145 			buf[off + 6] = lastcount & 0xff;
4146 			buf[off + 7] = (lastcount >> 8) & 0xff;
4147 			count -= c;
4148 			lba += c;
4149 		}
4150 
4151 		while (count > 0) {
4152 			c = omin(count, ATA_DSM_RANGE_MAX);
4153 			off = ranges * 8;
4154 
4155 			buf[off + 0] = lba & 0xff;
4156 			buf[off + 1] = (lba >> 8) & 0xff;
4157 			buf[off + 2] = (lba >> 16) & 0xff;
4158 			buf[off + 3] = (lba >> 24) & 0xff;
4159 			buf[off + 4] = (lba >> 32) & 0xff;
4160 			buf[off + 5] = (lba >> 40) & 0xff;
4161 			buf[off + 6] = c & 0xff;
4162 			buf[off + 7] = (c >> 8) & 0xff;
4163 			lba += c;
4164 			ranges++;
4165 			count -= c;
4166 			lastcount = c;
4167 			if (count != 0 && ranges == softc->trim_max_ranges) {
4168 				xpt_print(periph->path,
4169 				    "%s issuing short delete %ld > %ld\n",
4170 				    da_delete_method_desc[softc->delete_method],
4171 				    requestcount,
4172 				    (softc->trim_max_ranges - ranges) *
4173 				    ATA_DSM_RANGE_MAX);
4174 				break;
4175 			}
4176 		}
4177 		lastlba = lba;
4178 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
4179 		if (bp1 == NULL)
4180 			break;
4181 		if (bp1->bio_bcount / softc->params.secsize >
4182 		    (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) {
4183 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
4184 			break;
4185 		}
4186 	} while (1);
4187 
4188 	block_count = howmany(ranges, ATA_DSM_BLK_RANGES);
4189 	scsi_ata_trim(&ccb->csio,
4190 		      /*retries*/da_retry_count,
4191 		      /*cbfcnp*/dadone,
4192 		      /*tag_action*/MSG_SIMPLE_Q_TAG,
4193 		      block_count,
4194 		      /*data_ptr*/buf,
4195 		      /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE,
4196 		      /*sense_len*/SSD_FULL_SIZE,
4197 		      da_default_timeout * 1000);
4198 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4199 	ccb->ccb_h.flags |= CAM_UNLOCKED;
4200 	cam_iosched_submit_trim(softc->cam_iosched);
4201 }
4202 
4203 /*
4204  * We calculate ws_max_blks here based off d_delmaxsize instead
4205  * of using softc->ws_max_blks as it is absolute max for the
4206  * device not the protocol max which may well be lower.
4207  */
4208 static void
4209 da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
4210 {
4211 	struct da_softc *softc;
4212 	struct bio *bp1;
4213 	uint64_t ws_max_blks;
4214 	uint64_t lba;
4215 	uint64_t count; /* forward compat with WS32 */
4216 
4217 	softc = (struct da_softc *)periph->softc;
4218 	ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize;
4219 	lba = bp->bio_pblkno;
4220 	count = 0;
4221 	bp1 = bp;
4222 	do {
4223 		if (bp1 != bp)//XXX imp XXX
4224 			bioq_insert_tail(&softc->delete_run_queue, bp1);
4225 		count += bp1->bio_bcount / softc->params.secsize;
4226 		if (count > ws_max_blks) {
4227 			xpt_print(periph->path,
4228 			    "%s issuing short delete %ld > %ld\n",
4229 			    da_delete_method_desc[softc->delete_method],
4230 			    count, ws_max_blks);
4231 			count = omin(count, ws_max_blks);
4232 			break;
4233 		}
4234 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
4235 		if (bp1 == NULL)
4236 			break;
4237 		if (lba + count != bp1->bio_pblkno ||
4238 		    count + bp1->bio_bcount /
4239 		    softc->params.secsize > ws_max_blks) {
4240 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
4241 			break;
4242 		}
4243 	} while (1);
4244 
4245 	scsi_write_same(&ccb->csio,
4246 			/*retries*/da_retry_count,
4247 			/*cbfcnp*/dadone,
4248 			/*tag_action*/MSG_SIMPLE_Q_TAG,
4249 			/*byte2*/softc->delete_method ==
4250 			    DA_DELETE_ZERO ? 0 : SWS_UNMAP,
4251 			softc->delete_method == DA_DELETE_WS16 ? 16 : 10,
4252 			/*lba*/lba,
4253 			/*block_count*/count,
4254 			/*data_ptr*/ __DECONST(void *, zero_region),
4255 			/*dxfer_len*/ softc->params.secsize,
4256 			/*sense_len*/SSD_FULL_SIZE,
4257 			da_default_timeout * 1000);
4258 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4259 	ccb->ccb_h.flags |= CAM_UNLOCKED;
4260 	cam_iosched_submit_trim(softc->cam_iosched);
4261 }
4262 
4263 static int
4264 cmd6workaround(union ccb *ccb)
4265 {
4266 	struct scsi_rw_6 cmd6;
4267 	struct scsi_rw_10 *cmd10;
4268 	struct da_softc *softc;
4269 	uint8_t *cdb;
4270 	struct bio *bp;
4271 	int frozen;
4272 
4273 	cdb = ccb->csio.cdb_io.cdb_bytes;
4274 	softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
4275 
4276 	if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) {
4277 		da_delete_methods old_method = softc->delete_method;
4278 
4279 		/*
4280 		 * Typically there are two reasons for failure here
4281 		 * 1. Delete method was detected as supported but isn't
4282 		 * 2. Delete failed due to invalid params e.g. too big
4283 		 *
4284 		 * While we will attempt to choose an alternative delete method
4285 		 * this may result in short deletes if the existing delete
4286 		 * requests from geom are big for the new method chosen.
4287 		 *
4288 		 * This method assumes that the error which triggered this
4289 		 * will not retry the io otherwise a panic will occur
4290 		 */
4291 		dadeleteflag(softc, old_method, 0);
4292 		dadeletemethodchoose(softc, DA_DELETE_DISABLE);
4293 		if (softc->delete_method == DA_DELETE_DISABLE)
4294 			xpt_print(ccb->ccb_h.path,
4295 				  "%s failed, disabling BIO_DELETE\n",
4296 				  da_delete_method_desc[old_method]);
4297 		else
4298 			xpt_print(ccb->ccb_h.path,
4299 				  "%s failed, switching to %s BIO_DELETE\n",
4300 				  da_delete_method_desc[old_method],
4301 				  da_delete_method_desc[softc->delete_method]);
4302 
4303 		while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL)
4304 			cam_iosched_queue_work(softc->cam_iosched, bp);
4305 		cam_iosched_queue_work(softc->cam_iosched,
4306 		    (struct bio *)ccb->ccb_h.ccb_bp);
4307 		ccb->ccb_h.ccb_bp = NULL;
4308 		return (0);
4309 	}
4310 
4311 	/* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */
4312 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
4313 	    (*cdb == PREVENT_ALLOW) &&
4314 	    (softc->quirks & DA_Q_NO_PREVENT) == 0) {
4315 		if (bootverbose)
4316 			xpt_print(ccb->ccb_h.path,
4317 			    "PREVENT ALLOW MEDIUM REMOVAL not supported.\n");
4318 		softc->quirks |= DA_Q_NO_PREVENT;
4319 		return (0);
4320 	}
4321 
4322 	/* Detect unsupported SYNCHRONIZE CACHE(10). */
4323 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
4324 	    (*cdb == SYNCHRONIZE_CACHE) &&
4325 	    (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
4326 		if (bootverbose)
4327 			xpt_print(ccb->ccb_h.path,
4328 			    "SYNCHRONIZE CACHE(10) not supported.\n");
4329 		softc->quirks |= DA_Q_NO_SYNC_CACHE;
4330 		softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE;
4331 		return (0);
4332 	}
4333 
4334 	/* Translation only possible if CDB is an array and cmd is R/W6 */
4335 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
4336 	    (*cdb != READ_6 && *cdb != WRITE_6))
4337 		return 0;
4338 
4339 	xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, "
4340 	    "increasing minimum_cmd_size to 10.\n");
4341 	softc->minimum_cmd_size = 10;
4342 
4343 	bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
4344 	cmd10 = (struct scsi_rw_10 *)cdb;
4345 	cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
4346 	cmd10->byte2 = 0;
4347 	scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
4348 	cmd10->reserved = 0;
4349 	scsi_ulto2b(cmd6.length, cmd10->length);
4350 	cmd10->control = cmd6.control;
4351 	ccb->csio.cdb_len = sizeof(*cmd10);
4352 
4353 	/* Requeue request, unfreezing queue if necessary */
4354 	frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
4355 	ccb->ccb_h.status = CAM_REQUEUE_REQ;
4356 	xpt_action(ccb);
4357 	if (frozen) {
4358 		cam_release_devq(ccb->ccb_h.path,
4359 				 /*relsim_flags*/0,
4360 				 /*reduction*/0,
4361 				 /*timeout*/0,
4362 				 /*getcount_only*/0);
4363 	}
4364 	return (ERESTART);
4365 }
4366 
4367 static void
4368 dazonedone(struct cam_periph *periph, union ccb *ccb)
4369 {
4370 	struct da_softc *softc;
4371 	struct bio *bp;
4372 
4373 	softc = periph->softc;
4374 	bp = (struct bio *)ccb->ccb_h.ccb_bp;
4375 
4376 	switch (bp->bio_zone.zone_cmd) {
4377 	case DISK_ZONE_OPEN:
4378 	case DISK_ZONE_CLOSE:
4379 	case DISK_ZONE_FINISH:
4380 	case DISK_ZONE_RWP:
4381 		break;
4382 	case DISK_ZONE_REPORT_ZONES: {
4383 		uint32_t avail_len;
4384 		struct disk_zone_report *rep;
4385 		struct scsi_report_zones_hdr *hdr;
4386 		struct scsi_report_zones_desc *desc;
4387 		struct disk_zone_rep_entry *entry;
4388 		uint32_t hdr_len, num_avail;
4389 		uint32_t num_to_fill, i;
4390 		int ata;
4391 
4392 		rep = &bp->bio_zone.zone_params.report;
4393 		avail_len = ccb->csio.dxfer_len - ccb->csio.resid;
4394 		/*
4395 		 * Note that bio_resid isn't normally used for zone
4396 		 * commands, but it is used by devstat_end_transaction_bio()
4397 		 * to determine how much data was transferred.  Because
4398 		 * the size of the SCSI/ATA data structures is different
4399 		 * than the size of the BIO interface structures, the
4400 		 * amount of data actually transferred from the drive will
4401 		 * be different than the amount of data transferred to
4402 		 * the user.
4403 		 */
4404 		bp->bio_resid = ccb->csio.resid;
4405 		hdr = (struct scsi_report_zones_hdr *)ccb->csio.data_ptr;
4406 		if (avail_len < sizeof(*hdr)) {
4407 			/*
4408 			 * Is there a better error than EIO here?  We asked
4409 			 * for at least the header, and we got less than
4410 			 * that.
4411 			 */
4412 			bp->bio_error = EIO;
4413 			bp->bio_flags |= BIO_ERROR;
4414 			bp->bio_resid = bp->bio_bcount;
4415 			break;
4416 		}
4417 
4418 		if (softc->zone_interface == DA_ZONE_IF_ATA_PASS)
4419 			ata = 1;
4420 		else
4421 			ata = 0;
4422 
4423 		hdr_len = ata ? le32dec(hdr->length) :
4424 				scsi_4btoul(hdr->length);
4425 		if (hdr_len > 0)
4426 			rep->entries_available = hdr_len / sizeof(*desc);
4427 		else
4428 			rep->entries_available = 0;
4429 		/*
4430 		 * NOTE: using the same values for the BIO version of the
4431 		 * same field as the SCSI/ATA values.  This means we could
4432 		 * get some additional values that aren't defined in bio.h
4433 		 * if more values of the same field are defined later.
4434 		 */
4435 		rep->header.same = hdr->byte4 & SRZ_SAME_MASK;
4436 		rep->header.maximum_lba = ata ?  le64dec(hdr->maximum_lba) :
4437 					  scsi_8btou64(hdr->maximum_lba);
4438 		/*
4439 		 * If the drive reports no entries that match the query,
4440 		 * we're done.
4441 		 */
4442 		if (hdr_len == 0) {
4443 			rep->entries_filled = 0;
4444 			break;
4445 		}
4446 
4447 		num_avail = min((avail_len - sizeof(*hdr)) / sizeof(*desc),
4448 				hdr_len / sizeof(*desc));
4449 		/*
4450 		 * If the drive didn't return any data, then we're done.
4451 		 */
4452 		if (num_avail == 0) {
4453 			rep->entries_filled = 0;
4454 			break;
4455 		}
4456 
4457 		num_to_fill = min(num_avail, rep->entries_allocated);
4458 		/*
4459 		 * If the user didn't allocate any entries for us to fill,
4460 		 * we're done.
4461 		 */
4462 		if (num_to_fill == 0) {
4463 			rep->entries_filled = 0;
4464 			break;
4465 		}
4466 
4467 		for (i = 0, desc = &hdr->desc_list[0], entry=&rep->entries[0];
4468 		     i < num_to_fill; i++, desc++, entry++) {
4469 			/*
4470 			 * NOTE: we're mapping the values here directly
4471 			 * from the SCSI/ATA bit definitions to the bio.h
4472 			 * definitions. There is also a warning in
4473 			 * disk_zone.h, but the impact is that if
4474 			 * additional values are added in the SCSI/ATA
4475 			 * specs these will be visible to consumers of
4476 			 * this interface.
4477 			 */
4478 			entry->zone_type = desc->zone_type & SRZ_TYPE_MASK;
4479 			entry->zone_condition =
4480 			    (desc->zone_flags & SRZ_ZONE_COND_MASK) >>
4481 			    SRZ_ZONE_COND_SHIFT;
4482 			entry->zone_flags |= desc->zone_flags &
4483 			    (SRZ_ZONE_NON_SEQ|SRZ_ZONE_RESET);
4484 			entry->zone_length =
4485 			    ata ? le64dec(desc->zone_length) :
4486 				  scsi_8btou64(desc->zone_length);
4487 			entry->zone_start_lba =
4488 			    ata ? le64dec(desc->zone_start_lba) :
4489 				  scsi_8btou64(desc->zone_start_lba);
4490 			entry->write_pointer_lba =
4491 			    ata ? le64dec(desc->write_pointer_lba) :
4492 				  scsi_8btou64(desc->write_pointer_lba);
4493 		}
4494 		rep->entries_filled = num_to_fill;
4495 		break;
4496 	}
4497 	case DISK_ZONE_GET_PARAMS:
4498 	default:
4499 		/*
4500 		 * In theory we should not get a GET_PARAMS bio, since it
4501 		 * should be handled without queueing the command to the
4502 		 * drive.
4503 		 */
4504 		panic("%s: Invalid zone command %d", __func__,
4505 		    bp->bio_zone.zone_cmd);
4506 		break;
4507 	}
4508 
4509 	if (bp->bio_zone.zone_cmd == DISK_ZONE_REPORT_ZONES)
4510 		free(ccb->csio.data_ptr, M_SCSIDA);
4511 }
4512 
4513 static void
4514 dadone(struct cam_periph *periph, union ccb *done_ccb)
4515 {
4516 	struct bio *bp, *bp1;
4517 	struct da_softc *softc;
4518 	struct ccb_scsiio *csio;
4519 	da_ccb_state state;
4520 
4521 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n"));
4522 
4523 	softc = (struct da_softc *)periph->softc;
4524 	csio = &done_ccb->csio;
4525 
4526 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
4527 	if (csio->bio != NULL)
4528 		biotrack(csio->bio, __func__);
4529 #endif
4530 	state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
4531 
4532 	cam_periph_lock(periph);
4533 	bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
4534 	if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
4535 		int error;
4536 		int sf;
4537 
4538 		if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
4539 			sf = SF_RETRY_UA;
4540 		else
4541 			sf = 0;
4542 
4543 		error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
4544 		if (error == ERESTART) {
4545 			/* A retry was scheduled, so just return. */
4546 			cam_periph_unlock(periph);
4547 			return;
4548 		}
4549 		bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
4550 		if (error != 0) {
4551 			int queued_error;
4552 
4553 			/*
4554 			 * return all queued I/O with EIO, so that
4555 			 * the client can retry these I/Os in the
4556 			 * proper order should it attempt to recover.
4557 			 */
4558 			queued_error = EIO;
4559 
4560 			if (error == ENXIO
4561 			 && (softc->flags & DA_FLAG_PACK_INVALID)== 0) {
4562 				/*
4563 				 * Catastrophic error.  Mark our pack as
4564 				 * invalid.
4565 				 *
4566 				 * XXX See if this is really a media
4567 				 * XXX change first?
4568 				 */
4569 				xpt_print(periph->path, "Invalidating pack\n");
4570 				softc->flags |= DA_FLAG_PACK_INVALID;
4571 #ifdef CAM_IO_STATS
4572 				softc->invalidations++;
4573 #endif
4574 				queued_error = ENXIO;
4575 			}
4576 			cam_iosched_flush(softc->cam_iosched, NULL,
4577 			   queued_error);
4578 			if (bp != NULL) {
4579 				bp->bio_error = error;
4580 				bp->bio_resid = bp->bio_bcount;
4581 				bp->bio_flags |= BIO_ERROR;
4582 			}
4583 		} else if (bp != NULL) {
4584 			if (state == DA_CCB_DELETE)
4585 				bp->bio_resid = 0;
4586 			else
4587 				bp->bio_resid = csio->resid;
4588 			bp->bio_error = 0;
4589 			if (bp->bio_resid != 0)
4590 				bp->bio_flags |= BIO_ERROR;
4591 		}
4592 		if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
4593 			cam_release_devq(done_ccb->ccb_h.path,
4594 					 /*relsim_flags*/0,
4595 					 /*reduction*/0,
4596 					 /*timeout*/0,
4597 					 /*getcount_only*/0);
4598 	} else if (bp != NULL) {
4599 		if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
4600 			panic("REQ_CMP with QFRZN");
4601 		if (bp->bio_cmd == BIO_ZONE)
4602 			dazonedone(periph, done_ccb);
4603 		else if (state == DA_CCB_DELETE)
4604 			bp->bio_resid = 0;
4605 		else
4606 			bp->bio_resid = csio->resid;
4607 		if ((csio->resid > 0) && (bp->bio_cmd != BIO_ZONE))
4608 			bp->bio_flags |= BIO_ERROR;
4609 		if (softc->error_inject != 0) {
4610 			bp->bio_error = softc->error_inject;
4611 			bp->bio_resid = bp->bio_bcount;
4612 			bp->bio_flags |= BIO_ERROR;
4613 			softc->error_inject = 0;
4614 		}
4615 	}
4616 
4617 	if (bp != NULL)
4618 		biotrack(bp, __func__);
4619 	LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
4620 	if (LIST_EMPTY(&softc->pending_ccbs))
4621 		softc->flags |= DA_FLAG_WAS_OTAG;
4622 
4623 	/*
4624 	 * We need to call cam_iosched before we call biodone so that we don't
4625 	 * measure any activity that happens in the completion routine, which in
4626 	 * the case of sendfile can be quite extensive. Release the periph
4627 	 * refcount taken in dastart() for each CCB.
4628 	 */
4629 	cam_iosched_bio_complete(softc->cam_iosched, bp, done_ccb);
4630 	xpt_release_ccb(done_ccb);
4631 	KASSERT(softc->refcount >= 1, ("dadone softc %p refcount %d", softc, softc->refcount));
4632 	softc->refcount--;
4633 	if (state == DA_CCB_DELETE) {
4634 		TAILQ_HEAD(, bio) queue;
4635 
4636 		TAILQ_INIT(&queue);
4637 		TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue);
4638 		softc->delete_run_queue.insert_point = NULL;
4639 		/*
4640 		 * Normally, the xpt_release_ccb() above would make sure
4641 		 * that when we have more work to do, that work would
4642 		 * get kicked off. However, we specifically keep
4643 		 * delete_running set to 0 before the call above to
4644 		 * allow other I/O to progress when many BIO_DELETE
4645 		 * requests are pushed down. We set delete_running to 0
4646 		 * and call daschedule again so that we don't stall if
4647 		 * there are no other I/Os pending apart from BIO_DELETEs.
4648 		 */
4649 		cam_iosched_trim_done(softc->cam_iosched);
4650 		daschedule(periph);
4651 		cam_periph_unlock(periph);
4652 		while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
4653 			TAILQ_REMOVE(&queue, bp1, bio_queue);
4654 			bp1->bio_error = bp->bio_error;
4655 			if (bp->bio_flags & BIO_ERROR) {
4656 				bp1->bio_flags |= BIO_ERROR;
4657 				bp1->bio_resid = bp1->bio_bcount;
4658 			} else
4659 				bp1->bio_resid = 0;
4660 			biodone(bp1);
4661 		}
4662 	} else {
4663 		daschedule(periph);
4664 		cam_periph_unlock(periph);
4665 	}
4666 	if (bp != NULL)
4667 		biodone(bp);
4668 	return;
4669 }
4670 
4671 static void
4672 dadone_probewp(struct cam_periph *periph, union ccb *done_ccb)
4673 {
4674 	struct da_softc *softc;
4675 	struct ccb_scsiio *csio;
4676 	uint32_t  priority;
4677 
4678 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probewp\n"));
4679 
4680 	softc = (struct da_softc *)periph->softc;
4681 	priority = done_ccb->ccb_h.pinfo.priority;
4682 	csio = &done_ccb->csio;
4683 
4684 	cam_periph_assert(periph, MA_OWNED);
4685 
4686 	KASSERT(softc->state == DA_STATE_PROBE_WP,
4687 	    ("State (%d) not PROBE_WP in dadone_probewp, periph %p ccb %p",
4688 		softc->state, periph, done_ccb));
4689         KASSERT((csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) == DA_CCB_PROBE_WP,
4690 	    ("CCB State (%lu) not PROBE_WP in dadone_probewp, periph %p ccb %p",
4691 		(unsigned long)csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK, periph,
4692 		done_ccb));
4693 
4694 	if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) {
4695 		int len, off;
4696 		uint8_t dev_spec;
4697 
4698 		if (csio->cdb_len > 6) {
4699 			struct scsi_mode_header_10 *mh =
4700 			    (struct scsi_mode_header_10 *)csio->data_ptr;
4701 			len = 2 + scsi_2btoul(mh->data_length);
4702 			off = sizeof(*mh) + scsi_2btoul(mh->blk_desc_len);
4703 			dev_spec = mh->dev_spec;
4704 		} else {
4705 			struct scsi_mode_header_6 *mh =
4706 			    (struct scsi_mode_header_6 *)csio->data_ptr;
4707 			len = 1 + mh->data_length;
4708 			off = sizeof(*mh) + mh->blk_desc_len;
4709 			dev_spec = mh->dev_spec;
4710 		}
4711 		if ((dev_spec & 0x80) != 0)
4712 			softc->disk->d_flags |= DISKFLAG_WRITE_PROTECT;
4713 		else
4714 			softc->disk->d_flags &= ~DISKFLAG_WRITE_PROTECT;
4715 
4716 		/* Next time request only the first of returned mode pages. */
4717 		if (off < len && off < csio->dxfer_len - csio->resid)
4718 			softc->mode_page = csio->data_ptr[off] & SMPH_PC_MASK;
4719 	} else {
4720 		int error;
4721 
4722 		error = daerror(done_ccb, CAM_RETRY_SELTO,
4723 				SF_RETRY_UA|SF_NO_PRINT);
4724 		if (error == ERESTART)
4725 			return;
4726 		else if (error != 0) {
4727 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4728 				/* Don't wedge this device's queue */
4729 				cam_release_devq(done_ccb->ccb_h.path,
4730 						 /*relsim_flags*/0,
4731 						 /*reduction*/0,
4732 						 /*timeout*/0,
4733 						 /*getcount_only*/0);
4734 			}
4735 
4736 			/* We don't depend on it, so don't try again. */
4737 			softc->mode_page = -1;
4738 		}
4739 	}
4740 
4741 	free(csio->data_ptr, M_SCSIDA);
4742 	if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
4743 		softc->state = DA_STATE_PROBE_RC16;
4744 	else
4745 		softc->state = DA_STATE_PROBE_RC;
4746 	xpt_release_ccb(done_ccb);
4747 	xpt_schedule(periph, priority);
4748 	return;
4749 }
4750 
4751 static void
4752 dadone_proberc(struct cam_periph *periph, union ccb *done_ccb)
4753 {
4754 	struct scsi_read_capacity_data *rdcap;
4755 	struct scsi_read_capacity_data_long *rcaplong;
4756 	struct da_softc *softc;
4757 	struct ccb_scsiio *csio;
4758 	da_ccb_state state;
4759 	char *announce_buf;
4760 	uint32_t  priority;
4761 	int lbp, n;
4762 
4763 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_proberc\n"));
4764 
4765 	softc = (struct da_softc *)periph->softc;
4766 	priority = done_ccb->ccb_h.pinfo.priority;
4767 	csio = &done_ccb->csio;
4768 	state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
4769 
4770 	KASSERT(softc->state == DA_STATE_PROBE_RC || softc->state == DA_STATE_PROBE_RC16,
4771 	    ("State (%d) not PROBE_RC* in dadone_proberc, periph %p ccb %p",
4772 		softc->state, periph, done_ccb));
4773 	KASSERT(state == DA_CCB_PROBE_RC || state == DA_CCB_PROBE_RC16,
4774 	    ("CCB State (%lu) not PROBE_RC* in dadone_probewp, periph %p ccb %p",
4775 		(unsigned long)state, periph, done_ccb));
4776 
4777 	lbp = 0;
4778 	rdcap = NULL;
4779 	rcaplong = NULL;
4780 	/* XXX TODO: can this be a malloc? */
4781 	announce_buf = softc->announce_temp;
4782 	bzero(announce_buf, DA_ANNOUNCETMP_SZ);
4783 
4784 	if (state == DA_CCB_PROBE_RC)
4785 		rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
4786 	else
4787 		rcaplong = (struct scsi_read_capacity_data_long *)
4788 			csio->data_ptr;
4789 
4790 	cam_periph_assert(periph, MA_OWNED);
4791 
4792 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4793 		struct disk_params *dp;
4794 		uint32_t block_size;
4795 		uint64_t maxsector;
4796 		u_int lalba;	/* Lowest aligned LBA. */
4797 
4798 		if (state == DA_CCB_PROBE_RC) {
4799 			block_size = scsi_4btoul(rdcap->length);
4800 			maxsector = scsi_4btoul(rdcap->addr);
4801 			lalba = 0;
4802 
4803 			/*
4804 			 * According to SBC-2, if the standard 10
4805 			 * byte READ CAPACITY command returns 2^32,
4806 			 * we should issue the 16 byte version of
4807 			 * the command, since the device in question
4808 			 * has more sectors than can be represented
4809 			 * with the short version of the command.
4810 			 */
4811 			if (maxsector == 0xffffffff) {
4812 				free(rdcap, M_SCSIDA);
4813 				softc->state = DA_STATE_PROBE_RC16;
4814 				xpt_release_ccb(done_ccb);
4815 				xpt_schedule(periph, priority);
4816 				return;
4817 			}
4818 		} else {
4819 			block_size = scsi_4btoul(rcaplong->length);
4820 			maxsector = scsi_8btou64(rcaplong->addr);
4821 			lalba = scsi_2btoul(rcaplong->lalba_lbp);
4822 		}
4823 
4824 		/*
4825 		 * Because GEOM code just will panic us if we
4826 		 * give them an 'illegal' value we'll avoid that
4827 		 * here.
4828 		 */
4829 		if (block_size == 0) {
4830 			block_size = 512;
4831 			if (maxsector == 0)
4832 				maxsector = -1;
4833 		}
4834 		if (block_size >= maxphys) {
4835 			xpt_print(periph->path,
4836 			    "unsupportable block size %ju\n",
4837 			    (uintmax_t) block_size);
4838 			announce_buf = NULL;
4839 			cam_periph_invalidate(periph);
4840 		} else {
4841 			/*
4842 			 * We pass rcaplong into dasetgeom(),
4843 			 * because it will only use it if it is
4844 			 * non-NULL.
4845 			 */
4846 			dasetgeom(periph, block_size, maxsector,
4847 				  rcaplong, sizeof(*rcaplong));
4848 			lbp = (lalba & SRC16_LBPME_A);
4849 			dp = &softc->params;
4850 			n = snprintf(announce_buf, DA_ANNOUNCETMP_SZ,
4851 			    "%juMB (%ju %u byte sectors",
4852 			    ((uintmax_t)dp->secsize * dp->sectors) /
4853 			     (1024 * 1024),
4854 			    (uintmax_t)dp->sectors, dp->secsize);
4855 			if (softc->p_type != 0) {
4856 				n += snprintf(announce_buf + n,
4857 				    DA_ANNOUNCETMP_SZ - n,
4858 				    ", DIF type %d", softc->p_type);
4859 			}
4860 			snprintf(announce_buf + n, DA_ANNOUNCETMP_SZ - n, ")");
4861 		}
4862 	} else {
4863 		int error;
4864 
4865 		/*
4866 		 * Retry any UNIT ATTENTION type errors.  They
4867 		 * are expected at boot.
4868 		 */
4869 		error = daerror(done_ccb, CAM_RETRY_SELTO,
4870 				SF_RETRY_UA|SF_NO_PRINT);
4871 		if (error == ERESTART) {
4872 			/*
4873 			 * A retry was scheuled, so
4874 			 * just return.
4875 			 */
4876 			return;
4877 		} else if (error != 0) {
4878 			int asc, ascq;
4879 			int sense_key, error_code;
4880 			int have_sense;
4881 			cam_status status;
4882 			struct ccb_getdev cgd;
4883 
4884 			/* Don't wedge this device's queue */
4885 			status = done_ccb->ccb_h.status;
4886 			if ((status & CAM_DEV_QFRZN) != 0)
4887 				cam_release_devq(done_ccb->ccb_h.path,
4888 						 /*relsim_flags*/0,
4889 						 /*reduction*/0,
4890 						 /*timeout*/0,
4891 						 /*getcount_only*/0);
4892 
4893 			memset(&cgd, 0, sizeof(cgd));
4894 			xpt_setup_ccb(&cgd.ccb_h, done_ccb->ccb_h.path,
4895 				      CAM_PRIORITY_NORMAL);
4896 			cgd.ccb_h.func_code = XPT_GDEV_TYPE;
4897 			xpt_action((union ccb *)&cgd);
4898 
4899 			if (scsi_extract_sense_ccb(done_ccb,
4900 			    &error_code, &sense_key, &asc, &ascq))
4901 				have_sense = TRUE;
4902 			else
4903 				have_sense = FALSE;
4904 
4905 			/*
4906 			 * If we tried READ CAPACITY(16) and failed,
4907 			 * fallback to READ CAPACITY(10).
4908 			 */
4909 			if ((state == DA_CCB_PROBE_RC16) &&
4910 			    (softc->flags & DA_FLAG_CAN_RC16) &&
4911 			    (((csio->ccb_h.status & CAM_STATUS_MASK) ==
4912 				CAM_REQ_INVALID) ||
4913 			     ((have_sense) &&
4914 			      (error_code == SSD_CURRENT_ERROR ||
4915 			       error_code == SSD_DESC_CURRENT_ERROR) &&
4916 			      (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
4917 				cam_periph_assert(periph, MA_OWNED);
4918 				softc->flags &= ~DA_FLAG_CAN_RC16;
4919 				free(rdcap, M_SCSIDA);
4920 				softc->state = DA_STATE_PROBE_RC;
4921 				xpt_release_ccb(done_ccb);
4922 				xpt_schedule(periph, priority);
4923 				return;
4924 			}
4925 
4926 			/*
4927 			 * Attach to anything that claims to be a
4928 			 * direct access or optical disk device,
4929 			 * as long as it doesn't return a "Logical
4930 			 * unit not supported" (0x25) error.
4931 			 * "Internal Target Failure" (0x44) is also
4932 			 * special and typically means that the
4933 			 * device is a SATA drive behind a SATL
4934 			 * translation that's fallen into a
4935 			 * terminally fatal state.
4936 			 */
4937 			if ((have_sense)
4938 			 && (asc != 0x25) && (asc != 0x44)
4939 			 && (error_code == SSD_CURRENT_ERROR
4940 			  || error_code == SSD_DESC_CURRENT_ERROR)) {
4941 				const char *sense_key_desc;
4942 				const char *asc_desc;
4943 
4944 				dasetgeom(periph, 512, -1, NULL, 0);
4945 				scsi_sense_desc(sense_key, asc, ascq,
4946 						&cgd.inq_data, &sense_key_desc,
4947 						&asc_desc);
4948 				snprintf(announce_buf, DA_ANNOUNCETMP_SZ,
4949 				    "Attempt to query device "
4950 				    "size failed: %s, %s",
4951 				    sense_key_desc, asc_desc);
4952 			} else {
4953 				if (have_sense)
4954 					scsi_sense_print(&done_ccb->csio);
4955 				else {
4956 					xpt_print(periph->path,
4957 					    "got CAM status %#x\n",
4958 					    done_ccb->ccb_h.status);
4959 				}
4960 
4961 				xpt_print(periph->path, "fatal error, "
4962 				    "failed to attach to device\n");
4963 
4964 				announce_buf = NULL;
4965 
4966 				/*
4967 				 * Free up resources.
4968 				 */
4969 				cam_periph_invalidate(periph);
4970 			}
4971 		}
4972 	}
4973 	free(csio->data_ptr, M_SCSIDA);
4974 	if (announce_buf != NULL &&
4975 	    ((softc->flags & DA_FLAG_ANNOUNCED) == 0)) {
4976 		struct sbuf sb;
4977 
4978 		sbuf_new(&sb, softc->announcebuf, DA_ANNOUNCE_SZ,
4979 		    SBUF_FIXEDLEN);
4980 		xpt_announce_periph_sbuf(periph, &sb, announce_buf);
4981 		xpt_announce_quirks_sbuf(periph, &sb, softc->quirks,
4982 		    DA_Q_BIT_STRING);
4983 		sbuf_finish(&sb);
4984 		sbuf_putbuf(&sb);
4985 
4986 		/*
4987 		 * Create our sysctl variables, now that we know
4988 		 * we have successfully attached.
4989 		 */
4990 		/* increase the refcount */
4991 		if (da_periph_acquire(periph, DA_REF_SYSCTL) == 0) {
4992 			taskqueue_enqueue(taskqueue_thread,
4993 					  &softc->sysctl_task);
4994 		} else {
4995 			/* XXX This message is useless! */
4996 			xpt_print(periph->path, "fatal error, "
4997 			    "could not acquire reference count\n");
4998 		}
4999 	}
5000 
5001 	/* We already probed the device. */
5002 	if (softc->flags & DA_FLAG_PROBED) {
5003 		daprobedone(periph, done_ccb);
5004 		return;
5005 	}
5006 
5007 	/* Ensure re-probe doesn't see old delete. */
5008 	softc->delete_available = 0;
5009 	dadeleteflag(softc, DA_DELETE_ZERO, 1);
5010 	if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) {
5011 		/*
5012 		 * Based on older SBC-3 spec revisions
5013 		 * any of the UNMAP methods "may" be
5014 		 * available via LBP given this flag so
5015 		 * we flag all of them as available and
5016 		 * then remove those which further
5017 		 * probes confirm aren't available
5018 		 * later.
5019 		 *
5020 		 * We could also check readcap(16) p_type
5021 		 * flag to exclude one or more invalid
5022 		 * write same (X) types here
5023 		 */
5024 		dadeleteflag(softc, DA_DELETE_WS16, 1);
5025 		dadeleteflag(softc, DA_DELETE_WS10, 1);
5026 		dadeleteflag(softc, DA_DELETE_UNMAP, 1);
5027 
5028 		softc->state = DA_STATE_PROBE_LBP;
5029 		xpt_release_ccb(done_ccb);
5030 		xpt_schedule(periph, priority);
5031 		return;
5032 	}
5033 
5034 	softc->state = DA_STATE_PROBE_BDC;
5035 	xpt_release_ccb(done_ccb);
5036 	xpt_schedule(periph, priority);
5037 	return;
5038 }
5039 
5040 static void
5041 dadone_probelbp(struct cam_periph *periph, union ccb *done_ccb)
5042 {
5043 	struct scsi_vpd_logical_block_prov *lbp;
5044 	struct da_softc *softc;
5045 	struct ccb_scsiio *csio;
5046 	uint32_t  priority;
5047 
5048 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probelbp\n"));
5049 
5050 	softc = (struct da_softc *)periph->softc;
5051 	priority = done_ccb->ccb_h.pinfo.priority;
5052 	csio = &done_ccb->csio;
5053 	lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr;
5054 
5055 	cam_periph_assert(periph, MA_OWNED);
5056 
5057 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5058 		/*
5059 		 * T10/1799-D Revision 31 states at least one of these
5060 		 * must be supported but we don't currently enforce this.
5061 		 */
5062 		dadeleteflag(softc, DA_DELETE_WS16,
5063 		     (lbp->flags & SVPD_LBP_WS16));
5064 		dadeleteflag(softc, DA_DELETE_WS10,
5065 			     (lbp->flags & SVPD_LBP_WS10));
5066 		dadeleteflag(softc, DA_DELETE_UNMAP,
5067 			     (lbp->flags & SVPD_LBP_UNMAP));
5068 	} else {
5069 		int error;
5070 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5071 				SF_RETRY_UA|SF_NO_PRINT);
5072 		if (error == ERESTART)
5073 			return;
5074 		else if (error != 0) {
5075 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5076 				/* Don't wedge this device's queue */
5077 				cam_release_devq(done_ccb->ccb_h.path,
5078 						 /*relsim_flags*/0,
5079 						 /*reduction*/0,
5080 						 /*timeout*/0,
5081 						 /*getcount_only*/0);
5082 			}
5083 
5084 			/*
5085 			 * Failure indicates we don't support any SBC-3
5086 			 * delete methods with UNMAP
5087 			 */
5088 		}
5089 	}
5090 
5091 	free(lbp, M_SCSIDA);
5092 	softc->state = DA_STATE_PROBE_BLK_LIMITS;
5093 	xpt_release_ccb(done_ccb);
5094 	xpt_schedule(periph, priority);
5095 	return;
5096 }
5097 
5098 static void
5099 dadone_probeblklimits(struct cam_periph *periph, union ccb *done_ccb)
5100 {
5101 	struct scsi_vpd_block_limits *block_limits;
5102 	struct da_softc *softc;
5103 	struct ccb_scsiio *csio;
5104 	uint32_t  priority;
5105 
5106 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeblklimits\n"));
5107 
5108 	softc = (struct da_softc *)periph->softc;
5109 	priority = done_ccb->ccb_h.pinfo.priority;
5110 	csio = &done_ccb->csio;
5111 	block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr;
5112 
5113 	cam_periph_assert(periph, MA_OWNED);
5114 
5115 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5116 		uint32_t max_txfer_len = scsi_4btoul(
5117 			block_limits->max_txfer_len);
5118 		uint32_t max_unmap_lba_cnt = scsi_4btoul(
5119 			block_limits->max_unmap_lba_cnt);
5120 		uint32_t max_unmap_blk_cnt = scsi_4btoul(
5121 			block_limits->max_unmap_blk_cnt);
5122 		uint32_t unmap_gran = scsi_4btoul(
5123 			block_limits->opt_unmap_grain);
5124 		uint32_t unmap_gran_align = scsi_4btoul(
5125 			block_limits->unmap_grain_align);
5126 		uint64_t ws_max_blks = scsi_8btou64(
5127 			block_limits->max_write_same_length);
5128 
5129 		if (max_txfer_len != 0) {
5130 			softc->disk->d_maxsize = MIN(softc->maxio,
5131 			    (off_t)max_txfer_len * softc->params.secsize);
5132 		}
5133 
5134 		/*
5135 		 * We should already support UNMAP but we check lba
5136 		 * and block count to be sure
5137 		 */
5138 		if (max_unmap_lba_cnt != 0x00L &&
5139 		    max_unmap_blk_cnt != 0x00L) {
5140 			softc->unmap_max_lba = max_unmap_lba_cnt;
5141 			softc->unmap_max_ranges = min(max_unmap_blk_cnt,
5142 				UNMAP_MAX_RANGES);
5143 			if (unmap_gran > 1) {
5144 				softc->unmap_gran = unmap_gran;
5145 				if (unmap_gran_align & 0x80000000) {
5146 					softc->unmap_gran_align =
5147 					    unmap_gran_align & 0x7fffffff;
5148 				}
5149 			}
5150 		} else {
5151 			/*
5152 			 * Unexpected UNMAP limits which means the
5153 			 * device doesn't actually support UNMAP
5154 			 */
5155 			dadeleteflag(softc, DA_DELETE_UNMAP, 0);
5156 		}
5157 
5158 		if (ws_max_blks != 0x00L)
5159 			softc->ws_max_blks = ws_max_blks;
5160 	} else {
5161 		int error;
5162 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5163 				SF_RETRY_UA|SF_NO_PRINT);
5164 		if (error == ERESTART)
5165 			return;
5166 		else if (error != 0) {
5167 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5168 				/* Don't wedge this device's queue */
5169 				cam_release_devq(done_ccb->ccb_h.path,
5170 						 /*relsim_flags*/0,
5171 						 /*reduction*/0,
5172 						 /*timeout*/0,
5173 						 /*getcount_only*/0);
5174 			}
5175 
5176 			/*
5177 			 * Failure here doesn't mean UNMAP is not
5178 			 * supported as this is an optional page.
5179 			 */
5180 			softc->unmap_max_lba = 1;
5181 			softc->unmap_max_ranges = 1;
5182 		}
5183 	}
5184 
5185 	free(block_limits, M_SCSIDA);
5186 	softc->state = DA_STATE_PROBE_BDC;
5187 	xpt_release_ccb(done_ccb);
5188 	xpt_schedule(periph, priority);
5189 	return;
5190 }
5191 
5192 static void
5193 dadone_probebdc(struct cam_periph *periph, union ccb *done_ccb)
5194 {
5195 	struct scsi_vpd_block_device_characteristics *bdc;
5196 	struct da_softc *softc;
5197 	struct ccb_scsiio *csio;
5198 	uint32_t  priority;
5199 
5200 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probebdc\n"));
5201 
5202 	softc = (struct da_softc *)periph->softc;
5203 	priority = done_ccb->ccb_h.pinfo.priority;
5204 	csio = &done_ccb->csio;
5205 	bdc = (struct scsi_vpd_block_device_characteristics *)csio->data_ptr;
5206 
5207 	cam_periph_assert(periph, MA_OWNED);
5208 
5209 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5210 		uint32_t valid_len;
5211 
5212 		/*
5213 		 * Disable queue sorting for non-rotational media
5214 		 * by default.
5215 		 */
5216 		uint16_t old_rate = softc->disk->d_rotation_rate;
5217 
5218 		valid_len = csio->dxfer_len - csio->resid;
5219 		if (SBDC_IS_PRESENT(bdc, valid_len,
5220 		    medium_rotation_rate)) {
5221 			softc->disk->d_rotation_rate =
5222 				scsi_2btoul(bdc->medium_rotation_rate);
5223 			if (softc->disk->d_rotation_rate == SVPD_NON_ROTATING) {
5224 				cam_iosched_set_sort_queue(
5225 				    softc->cam_iosched, 0);
5226 				softc->flags &= ~DA_FLAG_ROTATING;
5227 			}
5228 			if (softc->disk->d_rotation_rate != old_rate) {
5229 				disk_attr_changed(softc->disk,
5230 				    "GEOM::rotation_rate", M_NOWAIT);
5231 			}
5232 		}
5233 		if ((SBDC_IS_PRESENT(bdc, valid_len, flags))
5234 		 && (softc->zone_mode == DA_ZONE_NONE)) {
5235 			int ata_proto;
5236 
5237 			if (scsi_vpd_supported_page(periph,
5238 			    SVPD_ATA_INFORMATION))
5239 				ata_proto = 1;
5240 			else
5241 				ata_proto = 0;
5242 
5243 			/*
5244 			 * The Zoned field will only be set for
5245 			 * Drive Managed and Host Aware drives.  If
5246 			 * they are Host Managed, the device type
5247 			 * in the standard INQUIRY data should be
5248 			 * set to T_ZBC_HM (0x14).
5249 			 */
5250 			if ((bdc->flags & SVPD_ZBC_MASK) ==
5251 			     SVPD_HAW_ZBC) {
5252 				softc->zone_mode = DA_ZONE_HOST_AWARE;
5253 				softc->zone_interface = (ata_proto) ?
5254 				   DA_ZONE_IF_ATA_SAT : DA_ZONE_IF_SCSI;
5255 			} else if ((bdc->flags & SVPD_ZBC_MASK) ==
5256 			     SVPD_DM_ZBC) {
5257 				softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
5258 				softc->zone_interface = (ata_proto) ?
5259 				   DA_ZONE_IF_ATA_SAT : DA_ZONE_IF_SCSI;
5260 			} else if ((bdc->flags & SVPD_ZBC_MASK) !=
5261 				  SVPD_ZBC_NR) {
5262 				xpt_print(periph->path, "Unknown zoned "
5263 				    "type %#x",
5264 				    bdc->flags & SVPD_ZBC_MASK);
5265 			}
5266 		}
5267 	} else {
5268 		int error;
5269 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5270 				SF_RETRY_UA|SF_NO_PRINT);
5271 		if (error == ERESTART)
5272 			return;
5273 		else if (error != 0) {
5274 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5275 				/* Don't wedge this device's queue */
5276 				cam_release_devq(done_ccb->ccb_h.path,
5277 						 /*relsim_flags*/0,
5278 						 /*reduction*/0,
5279 						 /*timeout*/0,
5280 						 /*getcount_only*/0);
5281 			}
5282 		}
5283 	}
5284 
5285 	free(bdc, M_SCSIDA);
5286 	softc->state = DA_STATE_PROBE_ATA;
5287 	xpt_release_ccb(done_ccb);
5288 	xpt_schedule(periph, priority);
5289 	return;
5290 }
5291 
5292 static void
5293 dadone_probeata(struct cam_periph *periph, union ccb *done_ccb)
5294 {
5295 	struct ata_params *ata_params;
5296 	struct ccb_scsiio *csio;
5297 	struct da_softc *softc;
5298 	uint32_t  priority;
5299 	int continue_probe;
5300 	int error;
5301 
5302 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeata\n"));
5303 
5304 	softc = (struct da_softc *)periph->softc;
5305 	priority = done_ccb->ccb_h.pinfo.priority;
5306 	csio = &done_ccb->csio;
5307 	ata_params = (struct ata_params *)csio->data_ptr;
5308 	continue_probe = 0;
5309 	error = 0;
5310 
5311 	cam_periph_assert(periph, MA_OWNED);
5312 
5313 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5314 		uint16_t old_rate;
5315 
5316 		ata_param_fixup(ata_params);
5317 		if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM &&
5318 		    (softc->quirks & DA_Q_NO_UNMAP) == 0) {
5319 			dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1);
5320 			if (ata_params->max_dsm_blocks != 0)
5321 				softc->trim_max_ranges = min(
5322 				  softc->trim_max_ranges,
5323 				  ata_params->max_dsm_blocks *
5324 				  ATA_DSM_BLK_RANGES);
5325 		}
5326 		/*
5327 		 * Disable queue sorting for non-rotational media
5328 		 * by default.
5329 		 */
5330 		old_rate = softc->disk->d_rotation_rate;
5331 		softc->disk->d_rotation_rate = ata_params->media_rotation_rate;
5332 		if (softc->disk->d_rotation_rate == ATA_RATE_NON_ROTATING) {
5333 			cam_iosched_set_sort_queue(softc->cam_iosched, 0);
5334 			softc->flags &= ~DA_FLAG_ROTATING;
5335 		}
5336 		if (softc->disk->d_rotation_rate != old_rate) {
5337 			disk_attr_changed(softc->disk,
5338 			    "GEOM::rotation_rate", M_NOWAIT);
5339 		}
5340 
5341 		cam_periph_assert(periph, MA_OWNED);
5342 		if (ata_params->capabilities1 & ATA_SUPPORT_DMA)
5343 			softc->flags |= DA_FLAG_CAN_ATA_DMA;
5344 
5345 		if (ata_params->support.extension & ATA_SUPPORT_GENLOG)
5346 			softc->flags |= DA_FLAG_CAN_ATA_LOG;
5347 
5348 		/*
5349 		 * At this point, if we have a SATA host aware drive,
5350 		 * we communicate via ATA passthrough unless the
5351 		 * SAT layer supports ZBC -> ZAC translation.  In
5352 		 * that case,
5353 		 *
5354 		 * XXX KDM figure out how to detect a host managed
5355 		 * SATA drive.
5356 		 */
5357 		if (softc->zone_mode == DA_ZONE_NONE) {
5358 			/*
5359 			 * Note that we don't override the zone
5360 			 * mode or interface if it has already been
5361 			 * set.  This is because it has either been
5362 			 * set as a quirk, or when we probed the
5363 			 * SCSI Block Device Characteristics page,
5364 			 * the zoned field was set.  The latter
5365 			 * means that the SAT layer supports ZBC to
5366 			 * ZAC translation, and we would prefer to
5367 			 * use that if it is available.
5368 			 */
5369 			if ((ata_params->support3 &
5370 			    ATA_SUPPORT_ZONE_MASK) ==
5371 			    ATA_SUPPORT_ZONE_HOST_AWARE) {
5372 				softc->zone_mode = DA_ZONE_HOST_AWARE;
5373 				softc->zone_interface =
5374 				    DA_ZONE_IF_ATA_PASS;
5375 			} else if ((ata_params->support3 &
5376 				    ATA_SUPPORT_ZONE_MASK) ==
5377 				    ATA_SUPPORT_ZONE_DEV_MANAGED) {
5378 				softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
5379 				softc->zone_interface = DA_ZONE_IF_ATA_PASS;
5380 			}
5381 		}
5382 
5383 	} else {
5384 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5385 				SF_RETRY_UA|SF_NO_PRINT);
5386 		if (error == ERESTART)
5387 			return;
5388 		else if (error != 0) {
5389 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5390 				/* Don't wedge this device's queue */
5391 				cam_release_devq(done_ccb->ccb_h.path,
5392 						 /*relsim_flags*/0,
5393 						 /*reduction*/0,
5394 						 /*timeout*/0,
5395 						 /*getcount_only*/0);
5396 			}
5397 		}
5398 	}
5399 
5400 	if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
5401 	 || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
5402 		/*
5403 		 * If the ATA IDENTIFY failed, we could be talking
5404 		 * to a SCSI drive, although that seems unlikely,
5405 		 * since the drive did report that it supported the
5406 		 * ATA Information VPD page.  If the ATA IDENTIFY
5407 		 * succeeded, and the SAT layer doesn't support
5408 		 * ZBC -> ZAC translation, continue on to get the
5409 		 * directory of ATA logs, and complete the rest of
5410 		 * the ZAC probe.  If the SAT layer does support
5411 		 * ZBC -> ZAC translation, we want to use that,
5412 		 * and we'll probe the SCSI Zoned Block Device
5413 		 * Characteristics VPD page next.
5414 		 */
5415 		if ((error == 0)
5416 		 && (softc->flags & DA_FLAG_CAN_ATA_LOG)
5417 		 && (softc->zone_interface == DA_ZONE_IF_ATA_PASS))
5418 			softc->state = DA_STATE_PROBE_ATA_LOGDIR;
5419 		else
5420 			softc->state = DA_STATE_PROBE_ZONE;
5421 		continue_probe = 1;
5422 	}
5423 	if (continue_probe != 0) {
5424 		xpt_schedule(periph, priority);
5425 		xpt_release_ccb(done_ccb);
5426 		return;
5427 	} else
5428 		daprobedone(periph, done_ccb);
5429 	return;
5430 }
5431 
5432 static void
5433 dadone_probeatalogdir(struct cam_periph *periph, union ccb *done_ccb)
5434 {
5435 	struct da_softc *softc;
5436 	struct ccb_scsiio *csio;
5437 	uint32_t  priority;
5438 	int error;
5439 
5440 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatalogdir\n"));
5441 
5442 	softc = (struct da_softc *)periph->softc;
5443 	priority = done_ccb->ccb_h.pinfo.priority;
5444 	csio = &done_ccb->csio;
5445 
5446 	cam_periph_assert(periph, MA_OWNED);
5447 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5448 		error = 0;
5449 		softc->valid_logdir_len = 0;
5450 		bzero(&softc->ata_logdir, sizeof(softc->ata_logdir));
5451 		softc->valid_logdir_len = csio->dxfer_len - csio->resid;
5452 		if (softc->valid_logdir_len > 0)
5453 			bcopy(csio->data_ptr, &softc->ata_logdir,
5454 			    min(softc->valid_logdir_len,
5455 				sizeof(softc->ata_logdir)));
5456 		/*
5457 		 * Figure out whether the Identify Device log is
5458 		 * supported.  The General Purpose log directory
5459 		 * has a header, and lists the number of pages
5460 		 * available for each GP log identified by the
5461 		 * offset into the list.
5462 		 */
5463 		if ((softc->valid_logdir_len >=
5464 		    ((ATA_IDENTIFY_DATA_LOG + 1) * sizeof(uint16_t)))
5465 		 && (le16dec(softc->ata_logdir.header) ==
5466 		     ATA_GP_LOG_DIR_VERSION)
5467 		 && (le16dec(&softc->ata_logdir.num_pages[
5468 		     (ATA_IDENTIFY_DATA_LOG *
5469 		     sizeof(uint16_t)) - sizeof(uint16_t)]) > 0)){
5470 			softc->flags |= DA_FLAG_CAN_ATA_IDLOG;
5471 		} else {
5472 			softc->flags &= ~DA_FLAG_CAN_ATA_IDLOG;
5473 		}
5474 	} else {
5475 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5476 				SF_RETRY_UA|SF_NO_PRINT);
5477 		if (error == ERESTART)
5478 			return;
5479 		else if (error != 0) {
5480 			/*
5481 			 * If we can't get the ATA log directory,
5482 			 * then ATA logs are effectively not
5483 			 * supported even if the bit is set in the
5484 			 * identify data.
5485 			 */
5486 			softc->flags &= ~(DA_FLAG_CAN_ATA_LOG |
5487 					  DA_FLAG_CAN_ATA_IDLOG);
5488 			if ((done_ccb->ccb_h.status &
5489 			     CAM_DEV_QFRZN) != 0) {
5490 				/* Don't wedge this device's queue */
5491 				cam_release_devq(done_ccb->ccb_h.path,
5492 						 /*relsim_flags*/0,
5493 						 /*reduction*/0,
5494 						 /*timeout*/0,
5495 						 /*getcount_only*/0);
5496 			}
5497 		}
5498 	}
5499 
5500 	free(csio->data_ptr, M_SCSIDA);
5501 
5502 	if ((error == 0)
5503 	 && (softc->flags & DA_FLAG_CAN_ATA_IDLOG)) {
5504 		softc->state = DA_STATE_PROBE_ATA_IDDIR;
5505 		xpt_release_ccb(done_ccb);
5506 		xpt_schedule(periph, priority);
5507 		return;
5508 	}
5509 	daprobedone(periph, done_ccb);
5510 	return;
5511 }
5512 
5513 static void
5514 dadone_probeataiddir(struct cam_periph *periph, union ccb *done_ccb)
5515 {
5516 	struct da_softc *softc;
5517 	struct ccb_scsiio *csio;
5518 	uint32_t  priority;
5519 	int error;
5520 
5521 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeataiddir\n"));
5522 
5523 	softc = (struct da_softc *)periph->softc;
5524 	priority = done_ccb->ccb_h.pinfo.priority;
5525 	csio = &done_ccb->csio;
5526 
5527 	cam_periph_assert(periph, MA_OWNED);
5528 
5529 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5530 		off_t entries_offset, max_entries;
5531 		error = 0;
5532 
5533 		softc->valid_iddir_len = 0;
5534 		bzero(&softc->ata_iddir, sizeof(softc->ata_iddir));
5535 		softc->flags &= ~(DA_FLAG_CAN_ATA_SUPCAP |
5536 				  DA_FLAG_CAN_ATA_ZONE);
5537 		softc->valid_iddir_len = csio->dxfer_len - csio->resid;
5538 		if (softc->valid_iddir_len > 0)
5539 			bcopy(csio->data_ptr, &softc->ata_iddir,
5540 			    min(softc->valid_iddir_len,
5541 				sizeof(softc->ata_iddir)));
5542 
5543 		entries_offset =
5544 		    __offsetof(struct ata_identify_log_pages,entries);
5545 		max_entries = softc->valid_iddir_len - entries_offset;
5546 		if ((softc->valid_iddir_len > (entries_offset + 1))
5547 		 && (le64dec(softc->ata_iddir.header) == ATA_IDLOG_REVISION)
5548 		 && (softc->ata_iddir.entry_count > 0)) {
5549 			int num_entries, i;
5550 
5551 			num_entries = softc->ata_iddir.entry_count;
5552 			num_entries = min(num_entries,
5553 			   softc->valid_iddir_len - entries_offset);
5554 			for (i = 0; i < num_entries && i < max_entries; i++) {
5555 				if (softc->ata_iddir.entries[i] ==
5556 				    ATA_IDL_SUP_CAP)
5557 					softc->flags |= DA_FLAG_CAN_ATA_SUPCAP;
5558 				else if (softc->ata_iddir.entries[i] ==
5559 					 ATA_IDL_ZDI)
5560 					softc->flags |= DA_FLAG_CAN_ATA_ZONE;
5561 
5562 				if ((softc->flags & DA_FLAG_CAN_ATA_SUPCAP)
5563 				 && (softc->flags & DA_FLAG_CAN_ATA_ZONE))
5564 					break;
5565 			}
5566 		}
5567 	} else {
5568 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5569 				SF_RETRY_UA|SF_NO_PRINT);
5570 		if (error == ERESTART)
5571 			return;
5572 		else if (error != 0) {
5573 			/*
5574 			 * If we can't get the ATA Identify Data log
5575 			 * directory, then it effectively isn't
5576 			 * supported even if the ATA Log directory
5577 			 * a non-zero number of pages present for
5578 			 * this log.
5579 			 */
5580 			softc->flags &= ~DA_FLAG_CAN_ATA_IDLOG;
5581 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5582 				/* Don't wedge this device's queue */
5583 				cam_release_devq(done_ccb->ccb_h.path,
5584 						 /*relsim_flags*/0,
5585 						 /*reduction*/0,
5586 						 /*timeout*/0,
5587 						 /*getcount_only*/0);
5588 			}
5589 		}
5590 	}
5591 
5592 	free(csio->data_ptr, M_SCSIDA);
5593 
5594 	if ((error == 0) && (softc->flags & DA_FLAG_CAN_ATA_SUPCAP)) {
5595 		softc->state = DA_STATE_PROBE_ATA_SUP;
5596 		xpt_release_ccb(done_ccb);
5597 		xpt_schedule(periph, priority);
5598 		return;
5599 	}
5600 	daprobedone(periph, done_ccb);
5601 	return;
5602 }
5603 
5604 static void
5605 dadone_probeatasup(struct cam_periph *periph, union ccb *done_ccb)
5606 {
5607 	struct da_softc *softc;
5608 	struct ccb_scsiio *csio;
5609 	uint32_t  priority;
5610 	int error;
5611 
5612 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatasup\n"));
5613 
5614 	softc = (struct da_softc *)periph->softc;
5615 	priority = done_ccb->ccb_h.pinfo.priority;
5616 	csio = &done_ccb->csio;
5617 
5618 	cam_periph_assert(periph, MA_OWNED);
5619 
5620 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5621 		uint32_t valid_len;
5622 		size_t needed_size;
5623 		struct ata_identify_log_sup_cap *sup_cap;
5624 		error = 0;
5625 
5626 		sup_cap = (struct ata_identify_log_sup_cap *)csio->data_ptr;
5627 		valid_len = csio->dxfer_len - csio->resid;
5628 		needed_size = __offsetof(struct ata_identify_log_sup_cap,
5629 		    sup_zac_cap) + 1 + sizeof(sup_cap->sup_zac_cap);
5630 		if (valid_len >= needed_size) {
5631 			uint64_t zoned, zac_cap;
5632 
5633 			zoned = le64dec(sup_cap->zoned_cap);
5634 			if (zoned & ATA_ZONED_VALID) {
5635 				/*
5636 				 * This should have already been
5637 				 * set, because this is also in the
5638 				 * ATA identify data.
5639 				 */
5640 				if ((zoned & ATA_ZONED_MASK) ==
5641 				    ATA_SUPPORT_ZONE_HOST_AWARE)
5642 					softc->zone_mode = DA_ZONE_HOST_AWARE;
5643 				else if ((zoned & ATA_ZONED_MASK) ==
5644 				    ATA_SUPPORT_ZONE_DEV_MANAGED)
5645 					softc->zone_mode =
5646 					    DA_ZONE_DRIVE_MANAGED;
5647 			}
5648 
5649 			zac_cap = le64dec(sup_cap->sup_zac_cap);
5650 			if (zac_cap & ATA_SUP_ZAC_CAP_VALID) {
5651 				if (zac_cap & ATA_REPORT_ZONES_SUP)
5652 					softc->zone_flags |=
5653 					    DA_ZONE_FLAG_RZ_SUP;
5654 				if (zac_cap & ATA_ND_OPEN_ZONE_SUP)
5655 					softc->zone_flags |=
5656 					    DA_ZONE_FLAG_OPEN_SUP;
5657 				if (zac_cap & ATA_ND_CLOSE_ZONE_SUP)
5658 					softc->zone_flags |=
5659 					    DA_ZONE_FLAG_CLOSE_SUP;
5660 				if (zac_cap & ATA_ND_FINISH_ZONE_SUP)
5661 					softc->zone_flags |=
5662 					    DA_ZONE_FLAG_FINISH_SUP;
5663 				if (zac_cap & ATA_ND_RWP_SUP)
5664 					softc->zone_flags |=
5665 					    DA_ZONE_FLAG_RWP_SUP;
5666 			} else {
5667 				/*
5668 				 * This field was introduced in
5669 				 * ACS-4, r08 on April 28th, 2015.
5670 				 * If the drive firmware was written
5671 				 * to an earlier spec, it won't have
5672 				 * the field.  So, assume all
5673 				 * commands are supported.
5674 				 */
5675 				softc->zone_flags |= DA_ZONE_FLAG_SUP_MASK;
5676 			}
5677 		}
5678 	} else {
5679 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5680 				SF_RETRY_UA|SF_NO_PRINT);
5681 		if (error == ERESTART)
5682 			return;
5683 		else if (error != 0) {
5684 			/*
5685 			 * If we can't get the ATA Identify Data
5686 			 * Supported Capabilities page, clear the
5687 			 * flag...
5688 			 */
5689 			softc->flags &= ~DA_FLAG_CAN_ATA_SUPCAP;
5690 			/*
5691 			 * And clear zone capabilities.
5692 			 */
5693 			softc->zone_flags &= ~DA_ZONE_FLAG_SUP_MASK;
5694 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5695 				/* Don't wedge this device's queue */
5696 				cam_release_devq(done_ccb->ccb_h.path,
5697 						 /*relsim_flags*/0,
5698 						 /*reduction*/0,
5699 						 /*timeout*/0,
5700 						 /*getcount_only*/0);
5701 			}
5702 		}
5703 	}
5704 
5705 	free(csio->data_ptr, M_SCSIDA);
5706 
5707 	if ((error == 0) && (softc->flags & DA_FLAG_CAN_ATA_ZONE)) {
5708 		softc->state = DA_STATE_PROBE_ATA_ZONE;
5709 		xpt_release_ccb(done_ccb);
5710 		xpt_schedule(periph, priority);
5711 		return;
5712 	}
5713 	daprobedone(periph, done_ccb);
5714 	return;
5715 }
5716 
5717 static void
5718 dadone_probeatazone(struct cam_periph *periph, union ccb *done_ccb)
5719 {
5720 	struct da_softc *softc;
5721 	struct ccb_scsiio *csio;
5722 	int error;
5723 
5724 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatazone\n"));
5725 
5726 	softc = (struct da_softc *)periph->softc;
5727 	csio = &done_ccb->csio;
5728 
5729 	cam_periph_assert(periph, MA_OWNED);
5730 
5731 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5732 		struct ata_zoned_info_log *zi_log;
5733 		uint32_t valid_len;
5734 		size_t needed_size;
5735 
5736 		zi_log = (struct ata_zoned_info_log *)csio->data_ptr;
5737 
5738 		valid_len = csio->dxfer_len - csio->resid;
5739 		needed_size = __offsetof(struct ata_zoned_info_log,
5740 		    version_info) + 1 + sizeof(zi_log->version_info);
5741 		if (valid_len >= needed_size) {
5742 			uint64_t tmpvar;
5743 
5744 			tmpvar = le64dec(zi_log->zoned_cap);
5745 			if (tmpvar & ATA_ZDI_CAP_VALID) {
5746 				if (tmpvar & ATA_ZDI_CAP_URSWRZ)
5747 					softc->zone_flags |=
5748 					    DA_ZONE_FLAG_URSWRZ;
5749 				else
5750 					softc->zone_flags &=
5751 					    ~DA_ZONE_FLAG_URSWRZ;
5752 			}
5753 			tmpvar = le64dec(zi_log->optimal_seq_zones);
5754 			if (tmpvar & ATA_ZDI_OPT_SEQ_VALID) {
5755 				softc->zone_flags |= DA_ZONE_FLAG_OPT_SEQ_SET;
5756 				softc->optimal_seq_zones = (tmpvar &
5757 				    ATA_ZDI_OPT_SEQ_MASK);
5758 			} else {
5759 				softc->zone_flags &= ~DA_ZONE_FLAG_OPT_SEQ_SET;
5760 				softc->optimal_seq_zones = 0;
5761 			}
5762 
5763 			tmpvar =le64dec(zi_log->optimal_nonseq_zones);
5764 			if (tmpvar & ATA_ZDI_OPT_NS_VALID) {
5765 				softc->zone_flags |=
5766 				    DA_ZONE_FLAG_OPT_NONSEQ_SET;
5767 				softc->optimal_nonseq_zones =
5768 				    (tmpvar & ATA_ZDI_OPT_NS_MASK);
5769 			} else {
5770 				softc->zone_flags &=
5771 				    ~DA_ZONE_FLAG_OPT_NONSEQ_SET;
5772 				softc->optimal_nonseq_zones = 0;
5773 			}
5774 
5775 			tmpvar = le64dec(zi_log->max_seq_req_zones);
5776 			if (tmpvar & ATA_ZDI_MAX_SEQ_VALID) {
5777 				softc->zone_flags |= DA_ZONE_FLAG_MAX_SEQ_SET;
5778 				softc->max_seq_zones =
5779 				    (tmpvar & ATA_ZDI_MAX_SEQ_MASK);
5780 			} else {
5781 				softc->zone_flags &= ~DA_ZONE_FLAG_MAX_SEQ_SET;
5782 				softc->max_seq_zones = 0;
5783 			}
5784 		}
5785 	} else {
5786 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5787 				SF_RETRY_UA|SF_NO_PRINT);
5788 		if (error == ERESTART)
5789 			return;
5790 		else if (error != 0) {
5791 			softc->flags &= ~DA_FLAG_CAN_ATA_ZONE;
5792 			softc->flags &= ~DA_ZONE_FLAG_SET_MASK;
5793 
5794 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5795 				/* Don't wedge this device's queue */
5796 				cam_release_devq(done_ccb->ccb_h.path,
5797 						 /*relsim_flags*/0,
5798 						 /*reduction*/0,
5799 						 /*timeout*/0,
5800 						 /*getcount_only*/0);
5801 			}
5802 		}
5803 	}
5804 
5805 	free(csio->data_ptr, M_SCSIDA);
5806 
5807 	daprobedone(periph, done_ccb);
5808 	return;
5809 }
5810 
5811 static void
5812 dadone_probezone(struct cam_periph *periph, union ccb *done_ccb)
5813 {
5814 	struct da_softc *softc;
5815 	struct ccb_scsiio *csio;
5816 	int error;
5817 
5818 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probezone\n"));
5819 
5820 	softc = (struct da_softc *)periph->softc;
5821 	csio = &done_ccb->csio;
5822 
5823 	cam_periph_assert(periph, MA_OWNED);
5824 
5825 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5826 		uint32_t valid_len;
5827 		size_t needed_len;
5828 		struct scsi_vpd_zoned_bdc *zoned_bdc;
5829 
5830 		error = 0;
5831 		zoned_bdc = (struct scsi_vpd_zoned_bdc *)csio->data_ptr;
5832 		valid_len = csio->dxfer_len - csio->resid;
5833 		needed_len = __offsetof(struct scsi_vpd_zoned_bdc,
5834 		    max_seq_req_zones) + 1 +
5835 		    sizeof(zoned_bdc->max_seq_req_zones);
5836 		if ((valid_len >= needed_len)
5837 		 && (scsi_2btoul(zoned_bdc->page_length) >= SVPD_ZBDC_PL)) {
5838 			if (zoned_bdc->flags & SVPD_ZBDC_URSWRZ)
5839 				softc->zone_flags |= DA_ZONE_FLAG_URSWRZ;
5840 			else
5841 				softc->zone_flags &= ~DA_ZONE_FLAG_URSWRZ;
5842 			softc->optimal_seq_zones =
5843 			    scsi_4btoul(zoned_bdc->optimal_seq_zones);
5844 			softc->zone_flags |= DA_ZONE_FLAG_OPT_SEQ_SET;
5845 			softc->optimal_nonseq_zones = scsi_4btoul(
5846 			    zoned_bdc->optimal_nonseq_zones);
5847 			softc->zone_flags |= DA_ZONE_FLAG_OPT_NONSEQ_SET;
5848 			softc->max_seq_zones =
5849 			    scsi_4btoul(zoned_bdc->max_seq_req_zones);
5850 			softc->zone_flags |= DA_ZONE_FLAG_MAX_SEQ_SET;
5851 		}
5852 		/*
5853 		 * All of the zone commands are mandatory for SCSI
5854 		 * devices.
5855 		 *
5856 		 * XXX KDM this is valid as of September 2015.
5857 		 * Re-check this assumption once the SAT spec is
5858 		 * updated to support SCSI ZBC to ATA ZAC mapping.
5859 		 * Since ATA allows zone commands to be reported
5860 		 * as supported or not, this may not necessarily
5861 		 * be true for an ATA device behind a SAT (SCSI to
5862 		 * ATA Translation) layer.
5863 		 */
5864 		softc->zone_flags |= DA_ZONE_FLAG_SUP_MASK;
5865 	} else {
5866 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5867 				SF_RETRY_UA|SF_NO_PRINT);
5868 		if (error == ERESTART)
5869 			return;
5870 		else if (error != 0) {
5871 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5872 				/* Don't wedge this device's queue */
5873 				cam_release_devq(done_ccb->ccb_h.path,
5874 						 /*relsim_flags*/0,
5875 						 /*reduction*/0,
5876 						 /*timeout*/0,
5877 						 /*getcount_only*/0);
5878 			}
5879 		}
5880 	}
5881 
5882 	free(csio->data_ptr, M_SCSIDA);
5883 
5884 	daprobedone(periph, done_ccb);
5885 	return;
5886 }
5887 
5888 static void
5889 dadone_tur(struct cam_periph *periph, union ccb *done_ccb)
5890 {
5891 	struct da_softc *softc;
5892 
5893 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_tur\n"));
5894 
5895 	softc = (struct da_softc *)periph->softc;
5896 
5897 	cam_periph_assert(periph, MA_OWNED);
5898 
5899 	if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
5900 		if (daerror(done_ccb, CAM_RETRY_SELTO,
5901 		    SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) == ERESTART)
5902 			return;	/* Will complete again, keep reference */
5903 		if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
5904 			cam_release_devq(done_ccb->ccb_h.path,
5905 					 /*relsim_flags*/0,
5906 					 /*reduction*/0,
5907 					 /*timeout*/0,
5908 					 /*getcount_only*/0);
5909 	}
5910 	softc->flags &= ~DA_FLAG_TUR_PENDING;
5911 	xpt_release_ccb(done_ccb);
5912 	da_periph_release_locked(periph, DA_REF_TUR);
5913 	return;
5914 }
5915 
5916 static void
5917 dareprobe(struct cam_periph *periph)
5918 {
5919 	struct da_softc	  *softc;
5920 	int status __diagused;
5921 
5922 	softc = (struct da_softc *)periph->softc;
5923 
5924 	cam_periph_assert(periph, MA_OWNED);
5925 
5926 	/* Probe in progress; don't interfere. */
5927 	if (softc->state != DA_STATE_NORMAL)
5928 		return;
5929 
5930 	status = da_periph_acquire(periph, DA_REF_REPROBE);
5931 	KASSERT(status == 0, ("dareprobe: cam_periph_acquire failed"));
5932 
5933 	softc->state = DA_STATE_PROBE_WP;
5934 	xpt_schedule(periph, CAM_PRIORITY_DEV);
5935 }
5936 
5937 static int
5938 daerror(union ccb *ccb, uint32_t cam_flags, uint32_t sense_flags)
5939 {
5940 	struct da_softc	  *softc;
5941 	struct cam_periph *periph;
5942 	int error, error_code, sense_key, asc, ascq;
5943 
5944 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
5945 	if (ccb->csio.bio != NULL)
5946 		biotrack(ccb->csio.bio, __func__);
5947 #endif
5948 
5949 	periph = xpt_path_periph(ccb->ccb_h.path);
5950 	softc = (struct da_softc *)periph->softc;
5951 
5952 	cam_periph_assert(periph, MA_OWNED);
5953 
5954 	/*
5955 	 * Automatically detect devices that do not support
5956 	 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
5957 	 */
5958 	error = 0;
5959 	if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
5960 		error = cmd6workaround(ccb);
5961 	} else if (scsi_extract_sense_ccb(ccb,
5962 	    &error_code, &sense_key, &asc, &ascq)) {
5963 		if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
5964 			error = cmd6workaround(ccb);
5965 		/*
5966 		 * If the target replied with CAPACITY DATA HAS CHANGED UA,
5967 		 * query the capacity and notify upper layers.
5968 		 */
5969 		else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5970 		    asc == 0x2A && ascq == 0x09) {
5971 			xpt_print(periph->path, "Capacity data has changed\n");
5972 			softc->flags &= ~DA_FLAG_PROBED;
5973 			dareprobe(periph);
5974 			sense_flags |= SF_NO_PRINT;
5975 		} else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5976 		    asc == 0x28 && ascq == 0x00) {
5977 			softc->flags &= ~DA_FLAG_PROBED;
5978 			disk_media_changed(softc->disk, M_NOWAIT);
5979 		} else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5980 		    asc == 0x3F && ascq == 0x03) {
5981 			xpt_print(periph->path, "INQUIRY data has changed\n");
5982 			softc->flags &= ~DA_FLAG_PROBED;
5983 			dareprobe(periph);
5984 			sense_flags |= SF_NO_PRINT;
5985 		} else if (sense_key == SSD_KEY_NOT_READY &&
5986 		    asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
5987 			softc->flags |= DA_FLAG_PACK_INVALID;
5988 			disk_media_gone(softc->disk, M_NOWAIT);
5989 		}
5990 	}
5991 	if (error == ERESTART)
5992 		return (ERESTART);
5993 
5994 #ifdef CAM_IO_STATS
5995 	switch (ccb->ccb_h.status & CAM_STATUS_MASK) {
5996 	case CAM_CMD_TIMEOUT:
5997 		softc->timeouts++;
5998 		break;
5999 	case CAM_REQ_ABORTED:
6000 	case CAM_REQ_CMP_ERR:
6001 	case CAM_REQ_TERMIO:
6002 	case CAM_UNREC_HBA_ERROR:
6003 	case CAM_DATA_RUN_ERR:
6004 	case CAM_SCSI_STATUS_ERROR:
6005 	case CAM_ATA_STATUS_ERROR:
6006 		softc->errors++;
6007 		break;
6008 	default:
6009 		break;
6010 	}
6011 #endif
6012 
6013 	/*
6014 	 * XXX
6015 	 * Until we have a better way of doing pack validation,
6016 	 * don't treat UAs as errors.
6017 	 */
6018 	sense_flags |= SF_RETRY_UA;
6019 
6020 	if (softc->quirks & DA_Q_RETRY_BUSY)
6021 		sense_flags |= SF_RETRY_BUSY;
6022 	return(cam_periph_error(ccb, cam_flags, sense_flags));
6023 }
6024 
6025 static void
6026 damediapoll(void *arg)
6027 {
6028 	struct cam_periph *periph = arg;
6029 	struct da_softc *softc = periph->softc;
6030 
6031 	if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR) &&
6032 	    (softc->flags & DA_FLAG_TUR_PENDING) == 0 &&
6033 	    softc->state == DA_STATE_NORMAL &&
6034 	    LIST_EMPTY(&softc->pending_ccbs)) {
6035 		if (da_periph_acquire(periph, DA_REF_TUR) == 0) {
6036 			cam_iosched_set_work_flags(softc->cam_iosched, DA_WORK_TUR);
6037 			daschedule(periph);
6038 		}
6039 	}
6040 
6041 	/* Queue us up again */
6042 	if (da_poll_period != 0) {
6043 		callout_schedule_sbt(&softc->mediapoll_c,
6044 		    da_poll_period * SBT_1S, 0, C_PREL(1));
6045 	}
6046 }
6047 
6048 static void
6049 daprevent(struct cam_periph *periph, int action)
6050 {
6051 	struct	da_softc *softc;
6052 	union	ccb *ccb;
6053 	int	error;
6054 
6055 	cam_periph_assert(periph, MA_OWNED);
6056 	softc = (struct da_softc *)periph->softc;
6057 
6058 	if (((action == PR_ALLOW)
6059 	  && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
6060 	 || ((action == PR_PREVENT)
6061 	  && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
6062 		return;
6063 	}
6064 
6065 	ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
6066 
6067 	scsi_prevent(&ccb->csio,
6068 		     /*retries*/1,
6069 		     /*cbcfp*/NULL,
6070 		     MSG_SIMPLE_Q_TAG,
6071 		     action,
6072 		     SSD_FULL_SIZE,
6073 		     5000);
6074 
6075 	error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
6076 	    SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat);
6077 
6078 	if (error == 0) {
6079 		if (action == PR_ALLOW)
6080 			softc->flags &= ~DA_FLAG_PACK_LOCKED;
6081 		else
6082 			softc->flags |= DA_FLAG_PACK_LOCKED;
6083 	}
6084 
6085 	xpt_release_ccb(ccb);
6086 }
6087 
6088 static void
6089 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
6090 	  struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
6091 {
6092 	struct ccb_calc_geometry ccg;
6093 	struct da_softc *softc;
6094 	struct disk_params *dp;
6095 	u_int lbppbe, lalba;
6096 	int error;
6097 
6098 	softc = (struct da_softc *)periph->softc;
6099 
6100 	dp = &softc->params;
6101 	dp->secsize = block_len;
6102 	dp->sectors = maxsector + 1;
6103 	if (rcaplong != NULL) {
6104 		lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
6105 		lalba = scsi_2btoul(rcaplong->lalba_lbp);
6106 		lalba &= SRC16_LALBA_A;
6107 		if (rcaplong->prot & SRC16_PROT_EN)
6108 			softc->p_type = ((rcaplong->prot & SRC16_P_TYPE) >>
6109 			    SRC16_P_TYPE_SHIFT) + 1;
6110 		else
6111 			softc->p_type = 0;
6112 	} else {
6113 		lbppbe = 0;
6114 		lalba = 0;
6115 		softc->p_type = 0;
6116 	}
6117 
6118 	if (lbppbe > 0) {
6119 		dp->stripesize = block_len << lbppbe;
6120 		dp->stripeoffset = (dp->stripesize - block_len * lalba) %
6121 		    dp->stripesize;
6122 	} else if (softc->quirks & DA_Q_4K) {
6123 		dp->stripesize = 4096;
6124 		dp->stripeoffset = 0;
6125 	} else if (softc->unmap_gran != 0) {
6126 		dp->stripesize = block_len * softc->unmap_gran;
6127 		dp->stripeoffset = (dp->stripesize - block_len *
6128 		    softc->unmap_gran_align) % dp->stripesize;
6129 	} else {
6130 		dp->stripesize = 0;
6131 		dp->stripeoffset = 0;
6132 	}
6133 	/*
6134 	 * Have the controller provide us with a geometry
6135 	 * for this disk.  The only time the geometry
6136 	 * matters is when we boot and the controller
6137 	 * is the only one knowledgeable enough to come
6138 	 * up with something that will make this a bootable
6139 	 * device.
6140 	 */
6141 	memset(&ccg, 0, sizeof(ccg));
6142 	xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
6143 	ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
6144 	ccg.block_size = dp->secsize;
6145 	ccg.volume_size = dp->sectors;
6146 	ccg.heads = 0;
6147 	ccg.secs_per_track = 0;
6148 	ccg.cylinders = 0;
6149 	xpt_action((union ccb*)&ccg);
6150 	if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
6151 		/*
6152 		 * We don't know what went wrong here- but just pick
6153 		 * a geometry so we don't have nasty things like divide
6154 		 * by zero.
6155 		 */
6156 		dp->heads = 255;
6157 		dp->secs_per_track = 255;
6158 		dp->cylinders = dp->sectors / (255 * 255);
6159 		if (dp->cylinders == 0) {
6160 			dp->cylinders = 1;
6161 		}
6162 	} else {
6163 		dp->heads = ccg.heads;
6164 		dp->secs_per_track = ccg.secs_per_track;
6165 		dp->cylinders = ccg.cylinders;
6166 	}
6167 
6168 	/*
6169 	 * If the user supplied a read capacity buffer, and if it is
6170 	 * different than the previous buffer, update the data in the EDT.
6171 	 * If it's the same, we don't bother.  This avoids sending an
6172 	 * update every time someone opens this device.
6173 	 */
6174 	if ((rcaplong != NULL)
6175 	 && (bcmp(rcaplong, &softc->rcaplong,
6176 		  min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
6177 		struct ccb_dev_advinfo cdai;
6178 
6179 		memset(&cdai, 0, sizeof(cdai));
6180 		xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
6181 		cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
6182 		cdai.buftype = CDAI_TYPE_RCAPLONG;
6183 		cdai.flags = CDAI_FLAG_STORE;
6184 		cdai.bufsiz = rcap_len;
6185 		cdai.buf = (uint8_t *)rcaplong;
6186 		xpt_action((union ccb *)&cdai);
6187 		if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
6188 			cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
6189 		if (cdai.ccb_h.status != CAM_REQ_CMP) {
6190 			xpt_print(periph->path, "%s: failed to set read "
6191 				  "capacity advinfo\n", __func__);
6192 			/* Use cam_error_print() to decode the status */
6193 			cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
6194 					CAM_EPF_ALL);
6195 		} else {
6196 			bcopy(rcaplong, &softc->rcaplong,
6197 			      min(sizeof(softc->rcaplong), rcap_len));
6198 		}
6199 	}
6200 
6201 	softc->disk->d_sectorsize = softc->params.secsize;
6202 	softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
6203 	softc->disk->d_stripesize = softc->params.stripesize;
6204 	softc->disk->d_stripeoffset = softc->params.stripeoffset;
6205 	/* XXX: these are not actually "firmware" values, so they may be wrong */
6206 	softc->disk->d_fwsectors = softc->params.secs_per_track;
6207 	softc->disk->d_fwheads = softc->params.heads;
6208 	softc->disk->d_devstat->block_size = softc->params.secsize;
6209 	softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
6210 
6211 	error = disk_resize(softc->disk, M_NOWAIT);
6212 	if (error != 0)
6213 		xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error);
6214 }
6215 
6216 static void
6217 dasendorderedtag(void *arg)
6218 {
6219 	struct cam_periph *periph = arg;
6220 	struct da_softc *softc = periph->softc;
6221 
6222 	cam_periph_assert(periph, MA_OWNED);
6223 	if (da_send_ordered) {
6224 		if (!LIST_EMPTY(&softc->pending_ccbs)) {
6225 			if ((softc->flags & DA_FLAG_WAS_OTAG) == 0)
6226 				softc->flags |= DA_FLAG_NEED_OTAG;
6227 			softc->flags &= ~DA_FLAG_WAS_OTAG;
6228 		}
6229 	}
6230 
6231 	/* Queue us up again */
6232 	callout_schedule_sbt(&softc->sendordered_c,
6233 	    SBT_1S / DA_ORDEREDTAG_INTERVAL * da_default_timeout, 0,
6234 	    C_PREL(1));
6235 }
6236 
6237 /*
6238  * Step through all DA peripheral drivers, and if the device is still open,
6239  * sync the disk cache to physical media.
6240  */
6241 static void
6242 dashutdown(void * arg, int howto)
6243 {
6244 	struct cam_periph *periph;
6245 	struct da_softc *softc;
6246 	union ccb *ccb;
6247 	int error;
6248 
6249 	if ((howto & RB_NOSYNC) != 0)
6250 		return;
6251 
6252 	CAM_PERIPH_FOREACH(periph, &dadriver) {
6253 		softc = (struct da_softc *)periph->softc;
6254 		if (SCHEDULER_STOPPED()) {
6255 			/* If we paniced with the lock held, do not recurse. */
6256 			if (!cam_periph_owned(periph) &&
6257 			    (softc->flags & DA_FLAG_OPEN)) {
6258 				dadump(softc->disk, NULL, 0, 0);
6259 			}
6260 			continue;
6261 		}
6262 		cam_periph_lock(periph);
6263 
6264 		/*
6265 		 * We only sync the cache if the drive is still open, and
6266 		 * if the drive is capable of it..
6267 		 */
6268 		if (((softc->flags & DA_FLAG_OPEN) == 0)
6269 		 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
6270 			cam_periph_unlock(periph);
6271 			continue;
6272 		}
6273 
6274 		ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
6275 		scsi_synchronize_cache(&ccb->csio,
6276 				       /*retries*/0,
6277 				       /*cbfcnp*/NULL,
6278 				       MSG_SIMPLE_Q_TAG,
6279 				       /*begin_lba*/0, /* whole disk */
6280 				       /*lb_count*/0,
6281 				       SSD_FULL_SIZE,
6282 				       60 * 60 * 1000);
6283 
6284 		error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
6285 		    /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
6286 		    softc->disk->d_devstat);
6287 		if (error != 0)
6288 			xpt_print(periph->path, "Synchronize cache failed\n");
6289 		xpt_release_ccb(ccb);
6290 		cam_periph_unlock(periph);
6291 	}
6292 }
6293 
6294 #else /* !_KERNEL */
6295 
6296 /*
6297  * XXX These are only left out of the kernel build to silence warnings.  If,
6298  * for some reason these functions are used in the kernel, the ifdefs should
6299  * be moved so they are included both in the kernel and userland.
6300  */
6301 void
6302 scsi_format_unit(struct ccb_scsiio *csio, uint32_t retries,
6303 		 void (*cbfcnp)(struct cam_periph *, union ccb *),
6304 		 uint8_t tag_action, uint8_t byte2, uint16_t ileave,
6305 		 uint8_t *data_ptr, uint32_t dxfer_len, uint8_t sense_len,
6306 		 uint32_t timeout)
6307 {
6308 	struct scsi_format_unit *scsi_cmd;
6309 
6310 	scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
6311 	scsi_cmd->opcode = FORMAT_UNIT;
6312 	scsi_cmd->byte2 = byte2;
6313 	scsi_ulto2b(ileave, scsi_cmd->interleave);
6314 
6315 	cam_fill_csio(csio,
6316 		      retries,
6317 		      cbfcnp,
6318 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6319 		      tag_action,
6320 		      data_ptr,
6321 		      dxfer_len,
6322 		      sense_len,
6323 		      sizeof(*scsi_cmd),
6324 		      timeout);
6325 }
6326 
6327 void
6328 scsi_read_defects(struct ccb_scsiio *csio, uint32_t retries,
6329 		  void (*cbfcnp)(struct cam_periph *, union ccb *),
6330 		  uint8_t tag_action, uint8_t list_format,
6331 		  uint32_t addr_desc_index, uint8_t *data_ptr,
6332 		  uint32_t dxfer_len, int minimum_cmd_size,
6333 		  uint8_t sense_len, uint32_t timeout)
6334 {
6335 	uint8_t cdb_len;
6336 
6337 	/*
6338 	 * These conditions allow using the 10 byte command.  Otherwise we
6339 	 * need to use the 12 byte command.
6340 	 */
6341 	if ((minimum_cmd_size <= 10)
6342 	 && (addr_desc_index == 0)
6343 	 && (dxfer_len <= SRDD10_MAX_LENGTH)) {
6344 		struct scsi_read_defect_data_10 *cdb10;
6345 
6346 		cdb10 = (struct scsi_read_defect_data_10 *)
6347 			&csio->cdb_io.cdb_bytes;
6348 
6349 		cdb_len = sizeof(*cdb10);
6350 		bzero(cdb10, cdb_len);
6351                 cdb10->opcode = READ_DEFECT_DATA_10;
6352                 cdb10->format = list_format;
6353                 scsi_ulto2b(dxfer_len, cdb10->alloc_length);
6354 	} else {
6355 		struct scsi_read_defect_data_12 *cdb12;
6356 
6357 		cdb12 = (struct scsi_read_defect_data_12 *)
6358 			&csio->cdb_io.cdb_bytes;
6359 
6360 		cdb_len = sizeof(*cdb12);
6361 		bzero(cdb12, cdb_len);
6362                 cdb12->opcode = READ_DEFECT_DATA_12;
6363                 cdb12->format = list_format;
6364                 scsi_ulto4b(dxfer_len, cdb12->alloc_length);
6365 		scsi_ulto4b(addr_desc_index, cdb12->address_descriptor_index);
6366 	}
6367 
6368 	cam_fill_csio(csio,
6369 		      retries,
6370 		      cbfcnp,
6371 		      /*flags*/ CAM_DIR_IN,
6372 		      tag_action,
6373 		      data_ptr,
6374 		      dxfer_len,
6375 		      sense_len,
6376 		      cdb_len,
6377 		      timeout);
6378 }
6379 
6380 void
6381 scsi_sanitize(struct ccb_scsiio *csio, uint32_t retries,
6382 	      void (*cbfcnp)(struct cam_periph *, union ccb *),
6383 	      uint8_t tag_action, uint8_t byte2, uint16_t control,
6384 	      uint8_t *data_ptr, uint32_t dxfer_len, uint8_t sense_len,
6385 	      uint32_t timeout)
6386 {
6387 	struct scsi_sanitize *scsi_cmd;
6388 
6389 	scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes;
6390 	scsi_cmd->opcode = SANITIZE;
6391 	scsi_cmd->byte2 = byte2;
6392 	scsi_cmd->control = control;
6393 	scsi_ulto2b(dxfer_len, scsi_cmd->length);
6394 
6395 	cam_fill_csio(csio,
6396 		      retries,
6397 		      cbfcnp,
6398 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6399 		      tag_action,
6400 		      data_ptr,
6401 		      dxfer_len,
6402 		      sense_len,
6403 		      sizeof(*scsi_cmd),
6404 		      timeout);
6405 }
6406 
6407 #endif /* _KERNEL */
6408 
6409 void
6410 scsi_zbc_out(struct ccb_scsiio *csio, uint32_t retries,
6411 	     void (*cbfcnp)(struct cam_periph *, union ccb *),
6412 	     uint8_t tag_action, uint8_t service_action, uint64_t zone_id,
6413 	     uint8_t zone_flags, uint8_t *data_ptr, uint32_t dxfer_len,
6414 	     uint8_t sense_len, uint32_t timeout)
6415 {
6416 	struct scsi_zbc_out *scsi_cmd;
6417 
6418 	scsi_cmd = (struct scsi_zbc_out *)&csio->cdb_io.cdb_bytes;
6419 	scsi_cmd->opcode = ZBC_OUT;
6420 	scsi_cmd->service_action = service_action;
6421 	scsi_u64to8b(zone_id, scsi_cmd->zone_id);
6422 	scsi_cmd->zone_flags = zone_flags;
6423 
6424 	cam_fill_csio(csio,
6425 		      retries,
6426 		      cbfcnp,
6427 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6428 		      tag_action,
6429 		      data_ptr,
6430 		      dxfer_len,
6431 		      sense_len,
6432 		      sizeof(*scsi_cmd),
6433 		      timeout);
6434 }
6435 
6436 void
6437 scsi_zbc_in(struct ccb_scsiio *csio, uint32_t retries,
6438 	    void (*cbfcnp)(struct cam_periph *, union ccb *),
6439 	    uint8_t tag_action, uint8_t service_action, uint64_t zone_start_lba,
6440 	    uint8_t zone_options, uint8_t *data_ptr, uint32_t dxfer_len,
6441 	    uint8_t sense_len, uint32_t timeout)
6442 {
6443 	struct scsi_zbc_in *scsi_cmd;
6444 
6445 	scsi_cmd = (struct scsi_zbc_in *)&csio->cdb_io.cdb_bytes;
6446 	scsi_cmd->opcode = ZBC_IN;
6447 	scsi_cmd->service_action = service_action;
6448 	scsi_ulto4b(dxfer_len, scsi_cmd->length);
6449 	scsi_u64to8b(zone_start_lba, scsi_cmd->zone_start_lba);
6450 	scsi_cmd->zone_options = zone_options;
6451 
6452 	cam_fill_csio(csio,
6453 		      retries,
6454 		      cbfcnp,
6455 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_IN : CAM_DIR_NONE,
6456 		      tag_action,
6457 		      data_ptr,
6458 		      dxfer_len,
6459 		      sense_len,
6460 		      sizeof(*scsi_cmd),
6461 		      timeout);
6462 
6463 }
6464 
6465 int
6466 scsi_ata_zac_mgmt_out(struct ccb_scsiio *csio, uint32_t retries,
6467 		      void (*cbfcnp)(struct cam_periph *, union ccb *),
6468 		      uint8_t tag_action, int use_ncq,
6469 		      uint8_t zm_action, uint64_t zone_id, uint8_t zone_flags,
6470 		      uint8_t *data_ptr, uint32_t dxfer_len,
6471 		      uint8_t *cdb_storage, size_t cdb_storage_len,
6472 		      uint8_t sense_len, uint32_t timeout)
6473 {
6474 	uint8_t command_out, protocol, ata_flags;
6475 	uint16_t features_out;
6476 	uint32_t sectors_out, auxiliary;
6477 	int retval;
6478 
6479 	retval = 0;
6480 
6481 	if (use_ncq == 0) {
6482 		command_out = ATA_ZAC_MANAGEMENT_OUT;
6483 		features_out = (zm_action & 0xf) | (zone_flags << 8);
6484 		ata_flags = AP_FLAG_BYT_BLOK_BLOCKS;
6485 		if (dxfer_len == 0) {
6486 			protocol = AP_PROTO_NON_DATA;
6487 			ata_flags |= AP_FLAG_TLEN_NO_DATA;
6488 			sectors_out = 0;
6489 		} else {
6490 			protocol = AP_PROTO_DMA;
6491 			ata_flags |= AP_FLAG_TLEN_SECT_CNT |
6492 				     AP_FLAG_TDIR_TO_DEV;
6493 			sectors_out = ((dxfer_len >> 9) & 0xffff);
6494 		}
6495 		auxiliary = 0;
6496 	} else {
6497 		ata_flags = AP_FLAG_BYT_BLOK_BLOCKS;
6498 		if (dxfer_len == 0) {
6499 			command_out = ATA_NCQ_NON_DATA;
6500 			features_out = ATA_NCQ_ZAC_MGMT_OUT;
6501 			/*
6502 			 * We're assuming the SCSI to ATA translation layer
6503 			 * will set the NCQ tag number in the tag field.
6504 			 * That isn't clear from the SAT-4 spec (as of rev 05).
6505 			 */
6506 			sectors_out = 0;
6507 			ata_flags |= AP_FLAG_TLEN_NO_DATA;
6508 		} else {
6509 			command_out = ATA_SEND_FPDMA_QUEUED;
6510 			/*
6511 			 * Note that we're defaulting to normal priority,
6512 			 * and assuming that the SCSI to ATA translation
6513 			 * layer will insert the NCQ tag number in the tag
6514 			 * field.  That isn't clear in the SAT-4 spec (as
6515 			 * of rev 05).
6516 			 */
6517 			sectors_out = ATA_SFPDMA_ZAC_MGMT_OUT << 8;
6518 
6519 			ata_flags |= AP_FLAG_TLEN_FEAT |
6520 				     AP_FLAG_TDIR_TO_DEV;
6521 
6522 			/*
6523 			 * For SEND FPDMA QUEUED, the transfer length is
6524 			 * encoded in the FEATURE register, and 0 means
6525 			 * that 65536 512 byte blocks are to be tranferred.
6526 			 * In practice, it seems unlikely that we'll see
6527 			 * a transfer that large, and it may confuse the
6528 			 * the SAT layer, because generally that means that
6529 			 * 0 bytes should be transferred.
6530 			 */
6531 			if (dxfer_len == (65536 * 512)) {
6532 				features_out = 0;
6533 			} else if (dxfer_len <= (65535 * 512)) {
6534 				features_out = ((dxfer_len >> 9) & 0xffff);
6535 			} else {
6536 				/* The transfer is too big. */
6537 				retval = 1;
6538 				goto bailout;
6539 			}
6540 		}
6541 
6542 		auxiliary = (zm_action & 0xf) | (zone_flags << 8);
6543 		protocol = AP_PROTO_FPDMA;
6544 	}
6545 
6546 	protocol |= AP_EXTEND;
6547 
6548 	retval = scsi_ata_pass(csio,
6549 	    retries,
6550 	    cbfcnp,
6551 	    /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6552 	    tag_action,
6553 	    /*protocol*/ protocol,
6554 	    /*ata_flags*/ ata_flags,
6555 	    /*features*/ features_out,
6556 	    /*sector_count*/ sectors_out,
6557 	    /*lba*/ zone_id,
6558 	    /*command*/ command_out,
6559 	    /*device*/ 0,
6560 	    /*icc*/ 0,
6561 	    /*auxiliary*/ auxiliary,
6562 	    /*control*/ 0,
6563 	    /*data_ptr*/ data_ptr,
6564 	    /*dxfer_len*/ dxfer_len,
6565 	    /*cdb_storage*/ cdb_storage,
6566 	    /*cdb_storage_len*/ cdb_storage_len,
6567 	    /*minimum_cmd_size*/ 0,
6568 	    /*sense_len*/ SSD_FULL_SIZE,
6569 	    /*timeout*/ timeout);
6570 
6571 bailout:
6572 
6573 	return (retval);
6574 }
6575 
6576 int
6577 scsi_ata_zac_mgmt_in(struct ccb_scsiio *csio, uint32_t retries,
6578 		     void (*cbfcnp)(struct cam_periph *, union ccb *),
6579 		     uint8_t tag_action, int use_ncq,
6580 		     uint8_t zm_action, uint64_t zone_id, uint8_t zone_flags,
6581 		     uint8_t *data_ptr, uint32_t dxfer_len,
6582 		     uint8_t *cdb_storage, size_t cdb_storage_len,
6583 		     uint8_t sense_len, uint32_t timeout)
6584 {
6585 	uint8_t command_out, protocol;
6586 	uint16_t features_out, sectors_out;
6587 	uint32_t auxiliary;
6588 	int ata_flags;
6589 	int retval;
6590 
6591 	retval = 0;
6592 	ata_flags = AP_FLAG_TDIR_FROM_DEV | AP_FLAG_BYT_BLOK_BLOCKS;
6593 
6594 	if (use_ncq == 0) {
6595 		command_out = ATA_ZAC_MANAGEMENT_IN;
6596 		/* XXX KDM put a macro here */
6597 		features_out = (zm_action & 0xf) | (zone_flags << 8);
6598 		sectors_out = dxfer_len >> 9; /* XXX KDM macro */
6599 		protocol = AP_PROTO_DMA;
6600 		ata_flags |= AP_FLAG_TLEN_SECT_CNT;
6601 		auxiliary = 0;
6602 	} else {
6603 		ata_flags |= AP_FLAG_TLEN_FEAT;
6604 
6605 		command_out = ATA_RECV_FPDMA_QUEUED;
6606 		sectors_out = ATA_RFPDMA_ZAC_MGMT_IN << 8;
6607 
6608 		/*
6609 		 * For RECEIVE FPDMA QUEUED, the transfer length is
6610 		 * encoded in the FEATURE register, and 0 means
6611 		 * that 65536 512 byte blocks are to be tranferred.
6612 		 * In practice, it seems unlikely that we'll see
6613 		 * a transfer that large, and it may confuse the
6614 		 * the SAT layer, because generally that means that
6615 		 * 0 bytes should be transferred.
6616 		 */
6617 		if (dxfer_len == (65536 * 512)) {
6618 			features_out = 0;
6619 		} else if (dxfer_len <= (65535 * 512)) {
6620 			features_out = ((dxfer_len >> 9) & 0xffff);
6621 		} else {
6622 			/* The transfer is too big. */
6623 			retval = 1;
6624 			goto bailout;
6625 		}
6626 		auxiliary = (zm_action & 0xf) | (zone_flags << 8),
6627 		protocol = AP_PROTO_FPDMA;
6628 	}
6629 
6630 	protocol |= AP_EXTEND;
6631 
6632 	retval = scsi_ata_pass(csio,
6633 	    retries,
6634 	    cbfcnp,
6635 	    /*flags*/ CAM_DIR_IN,
6636 	    tag_action,
6637 	    /*protocol*/ protocol,
6638 	    /*ata_flags*/ ata_flags,
6639 	    /*features*/ features_out,
6640 	    /*sector_count*/ sectors_out,
6641 	    /*lba*/ zone_id,
6642 	    /*command*/ command_out,
6643 	    /*device*/ 0,
6644 	    /*icc*/ 0,
6645 	    /*auxiliary*/ auxiliary,
6646 	    /*control*/ 0,
6647 	    /*data_ptr*/ data_ptr,
6648 	    /*dxfer_len*/ (dxfer_len >> 9) * 512, /* XXX KDM */
6649 	    /*cdb_storage*/ cdb_storage,
6650 	    /*cdb_storage_len*/ cdb_storage_len,
6651 	    /*minimum_cmd_size*/ 0,
6652 	    /*sense_len*/ SSD_FULL_SIZE,
6653 	    /*timeout*/ timeout);
6654 
6655 bailout:
6656 	return (retval);
6657 }
6658