xref: /freebsd/sys/cam/scsi/scsi_da.c (revision eda14cbc264d6969b02f2b1994cef11148e914f1)
1 /*-
2  * Implementation of SCSI Direct Access Peripheral driver for CAM.
3  *
4  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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 __FBSDID("$FreeBSD$");
33 
34 #include <sys/param.h>
35 
36 #ifdef _KERNEL
37 #include "opt_da.h"
38 #include <sys/systm.h>
39 #include <sys/kernel.h>
40 #include <sys/bio.h>
41 #include <sys/sysctl.h>
42 #include <sys/taskqueue.h>
43 #include <sys/lock.h>
44 #include <sys/mutex.h>
45 #include <sys/conf.h>
46 #include <sys/devicestat.h>
47 #include <sys/eventhandler.h>
48 #include <sys/malloc.h>
49 #include <sys/cons.h>
50 #include <sys/endian.h>
51 #include <sys/proc.h>
52 #include <sys/sbuf.h>
53 #include <geom/geom.h>
54 #include <geom/geom_disk.h>
55 #include <machine/atomic.h>
56 #endif /* _KERNEL */
57 
58 #ifndef _KERNEL
59 #include <stdio.h>
60 #include <string.h>
61 #endif /* _KERNEL */
62 
63 #include <cam/cam.h>
64 #include <cam/cam_ccb.h>
65 #include <cam/cam_periph.h>
66 #include <cam/cam_xpt_periph.h>
67 #ifdef _KERNEL
68 #include <cam/cam_xpt_internal.h>
69 #endif /* _KERNEL */
70 #include <cam/cam_sim.h>
71 #include <cam/cam_iosched.h>
72 
73 #include <cam/scsi/scsi_message.h>
74 #include <cam/scsi/scsi_da.h>
75 
76 #ifdef _KERNEL
77 /*
78  * Note that there are probe ordering dependencies here.  The order isn't
79  * controlled by this enumeration, but by explicit state transitions in
80  * dastart() and dadone().  Here are some of the dependencies:
81  *
82  * 1. RC should come first, before RC16, unless there is evidence that RC16
83  *    is supported.
84  * 2. BDC needs to come before any of the ATA probes, or the ZONE probe.
85  * 3. The ATA probes should go in this order:
86  *    ATA -> LOGDIR -> IDDIR -> SUP -> ATA_ZONE
87  */
88 typedef enum {
89 	DA_STATE_PROBE_WP,
90 	DA_STATE_PROBE_RC,
91 	DA_STATE_PROBE_RC16,
92 	DA_STATE_PROBE_LBP,
93 	DA_STATE_PROBE_BLK_LIMITS,
94 	DA_STATE_PROBE_BDC,
95 	DA_STATE_PROBE_ATA,
96 	DA_STATE_PROBE_ATA_LOGDIR,
97 	DA_STATE_PROBE_ATA_IDDIR,
98 	DA_STATE_PROBE_ATA_SUP,
99 	DA_STATE_PROBE_ATA_ZONE,
100 	DA_STATE_PROBE_ZONE,
101 	DA_STATE_NORMAL
102 } da_state;
103 
104 typedef enum {
105 	DA_FLAG_PACK_INVALID	= 0x000001,
106 	DA_FLAG_NEW_PACK	= 0x000002,
107 	DA_FLAG_PACK_LOCKED	= 0x000004,
108 	DA_FLAG_PACK_REMOVABLE	= 0x000008,
109 	DA_FLAG_ROTATING	= 0x000010,
110 	DA_FLAG_NEED_OTAG	= 0x000020,
111 	DA_FLAG_WAS_OTAG	= 0x000040,
112 	DA_FLAG_RETRY_UA	= 0x000080,
113 	DA_FLAG_OPEN		= 0x000100,
114 	DA_FLAG_SCTX_INIT	= 0x000200,
115 	DA_FLAG_CAN_RC16	= 0x000400,
116 	DA_FLAG_PROBED		= 0x000800,
117 	DA_FLAG_DIRTY		= 0x001000,
118 	DA_FLAG_ANNOUNCED	= 0x002000,
119 	DA_FLAG_CAN_ATA_DMA	= 0x004000,
120 	DA_FLAG_CAN_ATA_LOG	= 0x008000,
121 	DA_FLAG_CAN_ATA_IDLOG	= 0x010000,
122 	DA_FLAG_CAN_ATA_SUPCAP	= 0x020000,
123 	DA_FLAG_CAN_ATA_ZONE	= 0x040000,
124 	DA_FLAG_TUR_PENDING	= 0x080000,
125 	DA_FLAG_UNMAPPEDIO	= 0x100000
126 } da_flags;
127 #define DA_FLAG_STRING		\
128 	"\020"			\
129 	"\001PACK_INVALID"	\
130 	"\002NEW_PACK"		\
131 	"\003PACK_LOCKED"	\
132 	"\004PACK_REMOVABLE"	\
133 	"\005ROTATING"		\
134 	"\006NEED_OTAG"		\
135 	"\007WAS_OTAG"		\
136 	"\010RETRY_UA"		\
137 	"\011OPEN"		\
138 	"\012SCTX_INIT"		\
139 	"\013CAN_RC16"		\
140 	"\014PROBED"		\
141 	"\015DIRTY"		\
142 	"\016ANNOUCNED"		\
143 	"\017CAN_ATA_DMA"	\
144 	"\020CAN_ATA_LOG"	\
145 	"\021CAN_ATA_IDLOG"	\
146 	"\022CAN_ATA_SUPACP"	\
147 	"\023CAN_ATA_ZONE"	\
148 	"\024TUR_PENDING"	\
149 	"\025UNMAPPEDIO"
150 
151 typedef enum {
152 	DA_Q_NONE		= 0x00,
153 	DA_Q_NO_SYNC_CACHE	= 0x01,
154 	DA_Q_NO_6_BYTE		= 0x02,
155 	DA_Q_NO_PREVENT		= 0x04,
156 	DA_Q_4K			= 0x08,
157 	DA_Q_NO_RC16		= 0x10,
158 	DA_Q_NO_UNMAP		= 0x20,
159 	DA_Q_RETRY_BUSY		= 0x40,
160 	DA_Q_SMR_DM		= 0x80,
161 	DA_Q_STRICT_UNMAP	= 0x100,
162 	DA_Q_128KB		= 0x200
163 } da_quirks;
164 
165 #define DA_Q_BIT_STRING		\
166 	"\020"			\
167 	"\001NO_SYNC_CACHE"	\
168 	"\002NO_6_BYTE"		\
169 	"\003NO_PREVENT"	\
170 	"\0044K"		\
171 	"\005NO_RC16"		\
172 	"\006NO_UNMAP"		\
173 	"\007RETRY_BUSY"	\
174 	"\010SMR_DM"		\
175 	"\011STRICT_UNMAP"	\
176 	"\012128KB"
177 
178 typedef enum {
179 	DA_CCB_PROBE_RC		= 0x01,
180 	DA_CCB_PROBE_RC16	= 0x02,
181 	DA_CCB_PROBE_LBP	= 0x03,
182 	DA_CCB_PROBE_BLK_LIMITS	= 0x04,
183 	DA_CCB_PROBE_BDC	= 0x05,
184 	DA_CCB_PROBE_ATA	= 0x06,
185 	DA_CCB_BUFFER_IO	= 0x07,
186 	DA_CCB_DUMP		= 0x0A,
187 	DA_CCB_DELETE		= 0x0B,
188 	DA_CCB_TUR		= 0x0C,
189 	DA_CCB_PROBE_ZONE	= 0x0D,
190 	DA_CCB_PROBE_ATA_LOGDIR	= 0x0E,
191 	DA_CCB_PROBE_ATA_IDDIR	= 0x0F,
192 	DA_CCB_PROBE_ATA_SUP	= 0x10,
193 	DA_CCB_PROBE_ATA_ZONE	= 0x11,
194 	DA_CCB_PROBE_WP		= 0x12,
195 	DA_CCB_TYPE_MASK	= 0x1F,
196 	DA_CCB_RETRY_UA		= 0x20
197 } da_ccb_state;
198 
199 /*
200  * Order here is important for method choice
201  *
202  * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to
203  * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes
204  * using ATA_TRIM than the corresponding UNMAP results for a real world mysql
205  * import taking 5mins.
206  *
207  */
208 typedef enum {
209 	DA_DELETE_NONE,
210 	DA_DELETE_DISABLE,
211 	DA_DELETE_ATA_TRIM,
212 	DA_DELETE_UNMAP,
213 	DA_DELETE_WS16,
214 	DA_DELETE_WS10,
215 	DA_DELETE_ZERO,
216 	DA_DELETE_MIN = DA_DELETE_ATA_TRIM,
217 	DA_DELETE_MAX = DA_DELETE_ZERO
218 } da_delete_methods;
219 
220 /*
221  * For SCSI, host managed drives show up as a separate device type.  For
222  * ATA, host managed drives also have a different device signature.
223  * XXX KDM figure out the ATA host managed signature.
224  */
225 typedef enum {
226 	DA_ZONE_NONE		= 0x00,
227 	DA_ZONE_DRIVE_MANAGED	= 0x01,
228 	DA_ZONE_HOST_AWARE	= 0x02,
229 	DA_ZONE_HOST_MANAGED	= 0x03
230 } da_zone_mode;
231 
232 /*
233  * We distinguish between these interface cases in addition to the drive type:
234  * o ATA drive behind a SCSI translation layer that knows about ZBC/ZAC
235  * o ATA drive behind a SCSI translation layer that does not know about
236  *   ZBC/ZAC, and so needs to be managed via ATA passthrough.  In this
237  *   case, we would need to share the ATA code with the ada(4) driver.
238  * o SCSI drive.
239  */
240 typedef enum {
241 	DA_ZONE_IF_SCSI,
242 	DA_ZONE_IF_ATA_PASS,
243 	DA_ZONE_IF_ATA_SAT,
244 } da_zone_interface;
245 
246 typedef enum {
247 	DA_ZONE_FLAG_RZ_SUP		= 0x0001,
248 	DA_ZONE_FLAG_OPEN_SUP		= 0x0002,
249 	DA_ZONE_FLAG_CLOSE_SUP		= 0x0004,
250 	DA_ZONE_FLAG_FINISH_SUP		= 0x0008,
251 	DA_ZONE_FLAG_RWP_SUP		= 0x0010,
252 	DA_ZONE_FLAG_SUP_MASK		= (DA_ZONE_FLAG_RZ_SUP |
253 					   DA_ZONE_FLAG_OPEN_SUP |
254 					   DA_ZONE_FLAG_CLOSE_SUP |
255 					   DA_ZONE_FLAG_FINISH_SUP |
256 					   DA_ZONE_FLAG_RWP_SUP),
257 	DA_ZONE_FLAG_URSWRZ		= 0x0020,
258 	DA_ZONE_FLAG_OPT_SEQ_SET	= 0x0040,
259 	DA_ZONE_FLAG_OPT_NONSEQ_SET	= 0x0080,
260 	DA_ZONE_FLAG_MAX_SEQ_SET	= 0x0100,
261 	DA_ZONE_FLAG_SET_MASK		= (DA_ZONE_FLAG_OPT_SEQ_SET |
262 					   DA_ZONE_FLAG_OPT_NONSEQ_SET |
263 					   DA_ZONE_FLAG_MAX_SEQ_SET)
264 } da_zone_flags;
265 
266 static struct da_zone_desc {
267 	da_zone_flags value;
268 	const char *desc;
269 } da_zone_desc_table[] = {
270 	{DA_ZONE_FLAG_RZ_SUP, "Report Zones" },
271 	{DA_ZONE_FLAG_OPEN_SUP, "Open" },
272 	{DA_ZONE_FLAG_CLOSE_SUP, "Close" },
273 	{DA_ZONE_FLAG_FINISH_SUP, "Finish" },
274 	{DA_ZONE_FLAG_RWP_SUP, "Reset Write Pointer" },
275 };
276 
277 typedef void da_delete_func_t (struct cam_periph *periph, union ccb *ccb,
278 			      struct bio *bp);
279 static da_delete_func_t da_delete_trim;
280 static da_delete_func_t da_delete_unmap;
281 static da_delete_func_t da_delete_ws;
282 
283 static const void * da_delete_functions[] = {
284 	NULL,
285 	NULL,
286 	da_delete_trim,
287 	da_delete_unmap,
288 	da_delete_ws,
289 	da_delete_ws,
290 	da_delete_ws
291 };
292 
293 static const char *da_delete_method_names[] =
294     { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" };
295 static const char *da_delete_method_desc[] =
296     { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP",
297       "WRITE SAME(10) with UNMAP", "ZERO" };
298 
299 /* Offsets into our private area for storing information */
300 #define ccb_state	ppriv_field0
301 #define ccb_bp		ppriv_ptr1
302 
303 struct disk_params {
304 	u_int8_t  heads;
305 	u_int32_t cylinders;
306 	u_int8_t  secs_per_track;
307 	u_int32_t secsize;	/* Number of bytes/sector */
308 	u_int64_t sectors;	/* total number sectors */
309 	u_int     stripesize;
310 	u_int     stripeoffset;
311 };
312 
313 #define UNMAP_RANGE_MAX		0xffffffff
314 #define UNMAP_HEAD_SIZE		8
315 #define UNMAP_RANGE_SIZE	16
316 #define UNMAP_MAX_RANGES	2048 /* Protocol Max is 4095 */
317 #define UNMAP_BUF_SIZE		((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \
318 				UNMAP_HEAD_SIZE)
319 
320 #define WS10_MAX_BLKS		0xffff
321 #define WS16_MAX_BLKS		0xffffffff
322 #define ATA_TRIM_MAX_RANGES	((UNMAP_BUF_SIZE / \
323 	(ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE)
324 
325 #define DA_WORK_TUR		(1 << 16)
326 
327 typedef enum {
328 	DA_REF_OPEN = 1,
329 	DA_REF_OPEN_HOLD,
330 	DA_REF_CLOSE_HOLD,
331 	DA_REF_PROBE_HOLD,
332 	DA_REF_TUR,
333 	DA_REF_GEOM,
334 	DA_REF_SYSCTL,
335 	DA_REF_REPROBE,
336 	DA_REF_MAX		/* KEEP LAST */
337 } da_ref_token;
338 
339 struct da_softc {
340 	struct   cam_iosched_softc *cam_iosched;
341 	struct	 bio_queue_head delete_run_queue;
342 	LIST_HEAD(, ccb_hdr) pending_ccbs;
343 	int	 refcount;		/* Active xpt_action() calls */
344 	da_state state;
345 	da_flags flags;
346 	da_quirks quirks;
347 	int	 minimum_cmd_size;
348 	int	 error_inject;
349 	int	 trim_max_ranges;
350 	int	 delete_available;	/* Delete methods possibly available */
351 	da_zone_mode			zone_mode;
352 	da_zone_interface		zone_interface;
353 	da_zone_flags			zone_flags;
354 	struct ata_gp_log_dir		ata_logdir;
355 	int				valid_logdir_len;
356 	struct ata_identify_log_pages	ata_iddir;
357 	int				valid_iddir_len;
358 	uint64_t			optimal_seq_zones;
359 	uint64_t			optimal_nonseq_zones;
360 	uint64_t			max_seq_zones;
361 	u_int			maxio;
362 	uint32_t		unmap_max_ranges;
363 	uint32_t		unmap_max_lba; /* Max LBAs in UNMAP req */
364 	uint32_t		unmap_gran;
365 	uint32_t		unmap_gran_align;
366 	uint64_t		ws_max_blks;
367 	uint64_t		trim_count;
368 	uint64_t		trim_ranges;
369 	uint64_t		trim_lbas;
370 	da_delete_methods	delete_method_pref;
371 	da_delete_methods	delete_method;
372 	da_delete_func_t	*delete_func;
373 	int			p_type;
374 	struct	 disk_params params;
375 	struct	 disk *disk;
376 	union	 ccb saved_ccb;
377 	struct task		sysctl_task;
378 	struct sysctl_ctx_list	sysctl_ctx;
379 	struct sysctl_oid	*sysctl_tree;
380 	struct callout		sendordered_c;
381 	uint64_t wwpn;
382 	uint8_t	 unmap_buf[UNMAP_BUF_SIZE];
383 	struct scsi_read_capacity_data_long rcaplong;
384 	struct callout		mediapoll_c;
385 	int			ref_flags[DA_REF_MAX];
386 #ifdef CAM_IO_STATS
387 	struct sysctl_ctx_list	sysctl_stats_ctx;
388 	struct sysctl_oid	*sysctl_stats_tree;
389 	u_int	errors;
390 	u_int	timeouts;
391 	u_int	invalidations;
392 #endif
393 #define DA_ANNOUNCETMP_SZ 160
394 	char			announce_temp[DA_ANNOUNCETMP_SZ];
395 #define DA_ANNOUNCE_SZ 400
396 	char			announcebuf[DA_ANNOUNCE_SZ];
397 };
398 
399 #define dadeleteflag(softc, delete_method, enable)			\
400 	if (enable) {							\
401 		softc->delete_available |= (1 << delete_method);	\
402 	} else {							\
403 		softc->delete_available &= ~(1 << delete_method);	\
404 	}
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 		 * SuperTalent TeraDrive CT SSDs
1421 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1422 		 */
1423 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" },
1424 		/*quirks*/DA_Q_4K
1425 	},
1426 	{
1427 		/*
1428 		 * XceedIOPS SATA SSDs
1429 		 * 4k optimised
1430 		 */
1431 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" },
1432 		/*quirks*/DA_Q_4K
1433 	},
1434 	{
1435 		/*
1436 		 * Hama Innostor USB-Stick
1437 		 */
1438 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "Innostor", "Innostor*", "*" },
1439 		/*quirks*/DA_Q_NO_RC16
1440 	},
1441 	{
1442 		/*
1443 		 * Seagate Lamarr 8TB Shingled Magnetic Recording (SMR)
1444 		 * Drive Managed SATA hard drive.  This drive doesn't report
1445 		 * in firmware that it is a drive managed SMR drive.
1446 		 */
1447 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST8000AS000[23]*", "*" },
1448 		/*quirks*/DA_Q_SMR_DM
1449 	},
1450 	{
1451 		/*
1452 		 * MX-ES USB Drive by Mach Xtreme
1453 		 */
1454 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "MX", "MXUB3*", "*"},
1455 		/*quirks*/DA_Q_NO_RC16
1456 	},
1457 };
1458 
1459 static	disk_strategy_t	dastrategy;
1460 static	dumper_t	dadump;
1461 static	periph_init_t	dainit;
1462 static	void		daasync(void *callback_arg, u_int32_t code,
1463 				struct cam_path *path, void *arg);
1464 static	void		dasysctlinit(void *context, int pending);
1465 static	int		dasysctlsofttimeout(SYSCTL_HANDLER_ARGS);
1466 static	int		dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
1467 static	int		dadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
1468 static	int		dabitsysctl(SYSCTL_HANDLER_ARGS);
1469 static	int		daflagssysctl(SYSCTL_HANDLER_ARGS);
1470 static	int		dazonemodesysctl(SYSCTL_HANDLER_ARGS);
1471 static	int		dazonesupsysctl(SYSCTL_HANDLER_ARGS);
1472 static	int		dadeletemaxsysctl(SYSCTL_HANDLER_ARGS);
1473 static	void		dadeletemethodset(struct da_softc *softc,
1474 					  da_delete_methods delete_method);
1475 static	off_t		dadeletemaxsize(struct da_softc *softc,
1476 					da_delete_methods delete_method);
1477 static	void		dadeletemethodchoose(struct da_softc *softc,
1478 					     da_delete_methods default_method);
1479 static	void		daprobedone(struct cam_periph *periph, union ccb *ccb);
1480 
1481 static	periph_ctor_t	daregister;
1482 static	periph_dtor_t	dacleanup;
1483 static	periph_start_t	dastart;
1484 static	periph_oninv_t	daoninvalidate;
1485 static	void		dazonedone(struct cam_periph *periph, union ccb *ccb);
1486 static	void		dadone(struct cam_periph *periph,
1487 			       union ccb *done_ccb);
1488 static void		dadone_probewp(struct cam_periph *periph,
1489 				       union ccb *done_ccb);
1490 static void		dadone_proberc(struct cam_periph *periph,
1491 				       union ccb *done_ccb);
1492 static void		dadone_probelbp(struct cam_periph *periph,
1493 					union ccb *done_ccb);
1494 static void		dadone_probeblklimits(struct cam_periph *periph,
1495 					      union ccb *done_ccb);
1496 static void		dadone_probebdc(struct cam_periph *periph,
1497 					union ccb *done_ccb);
1498 static void		dadone_probeata(struct cam_periph *periph,
1499 					union ccb *done_ccb);
1500 static void		dadone_probeatalogdir(struct cam_periph *periph,
1501 					      union ccb *done_ccb);
1502 static void		dadone_probeataiddir(struct cam_periph *periph,
1503 					     union ccb *done_ccb);
1504 static void		dadone_probeatasup(struct cam_periph *periph,
1505 					   union ccb *done_ccb);
1506 static void		dadone_probeatazone(struct cam_periph *periph,
1507 					    union ccb *done_ccb);
1508 static void		dadone_probezone(struct cam_periph *periph,
1509 					 union ccb *done_ccb);
1510 static void		dadone_tur(struct cam_periph *periph,
1511 				   union ccb *done_ccb);
1512 static  int		daerror(union ccb *ccb, u_int32_t cam_flags,
1513 				u_int32_t sense_flags);
1514 static void		daprevent(struct cam_periph *periph, int action);
1515 static void		dareprobe(struct cam_periph *periph);
1516 static void		dasetgeom(struct cam_periph *periph, uint32_t block_len,
1517 				  uint64_t maxsector,
1518 				  struct scsi_read_capacity_data_long *rcaplong,
1519 				  size_t rcap_size);
1520 static callout_func_t	dasendorderedtag;
1521 static void		dashutdown(void *arg, int howto);
1522 static callout_func_t	damediapoll;
1523 
1524 #ifndef	DA_DEFAULT_POLL_PERIOD
1525 #define	DA_DEFAULT_POLL_PERIOD	3
1526 #endif
1527 
1528 #ifndef DA_DEFAULT_TIMEOUT
1529 #define DA_DEFAULT_TIMEOUT 60	/* Timeout in seconds */
1530 #endif
1531 
1532 #ifndef DA_DEFAULT_SOFTTIMEOUT
1533 #define DA_DEFAULT_SOFTTIMEOUT	0
1534 #endif
1535 
1536 #ifndef	DA_DEFAULT_RETRY
1537 #define	DA_DEFAULT_RETRY	4
1538 #endif
1539 
1540 #ifndef	DA_DEFAULT_SEND_ORDERED
1541 #define	DA_DEFAULT_SEND_ORDERED	1
1542 #endif
1543 
1544 static int da_poll_period = DA_DEFAULT_POLL_PERIOD;
1545 static int da_retry_count = DA_DEFAULT_RETRY;
1546 static int da_default_timeout = DA_DEFAULT_TIMEOUT;
1547 static sbintime_t da_default_softtimeout = DA_DEFAULT_SOFTTIMEOUT;
1548 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED;
1549 static int da_disable_wp_detection = 0;
1550 static int da_enable_biospeedup = 1;
1551 
1552 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
1553     "CAM Direct Access Disk driver");
1554 SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RWTUN,
1555            &da_poll_period, 0, "Media polling period in seconds");
1556 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RWTUN,
1557            &da_retry_count, 0, "Normal I/O retry count");
1558 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RWTUN,
1559            &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
1560 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RWTUN,
1561            &da_send_ordered, 0, "Send Ordered Tags");
1562 SYSCTL_INT(_kern_cam_da, OID_AUTO, disable_wp_detection, CTLFLAG_RWTUN,
1563            &da_disable_wp_detection, 0,
1564 	   "Disable detection of write-protected disks");
1565 SYSCTL_INT(_kern_cam_da, OID_AUTO, enable_biospeedup, CTLFLAG_RDTUN,
1566 	    &da_enable_biospeedup, 0, "Enable BIO_SPEEDUP processing");
1567 
1568 SYSCTL_PROC(_kern_cam_da, OID_AUTO, default_softtimeout,
1569     CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, NULL, 0,
1570     dasysctlsofttimeout, "I",
1571     "Soft I/O timeout (ms)");
1572 TUNABLE_INT64("kern.cam.da.default_softtimeout", &da_default_softtimeout);
1573 
1574 /*
1575  * DA_ORDEREDTAG_INTERVAL determines how often, relative
1576  * to the default timeout, we check to see whether an ordered
1577  * tagged transaction is appropriate to prevent simple tag
1578  * starvation.  Since we'd like to ensure that there is at least
1579  * 1/2 of the timeout length left for a starved transaction to
1580  * complete after we've sent an ordered tag, we must poll at least
1581  * four times in every timeout period.  This takes care of the worst
1582  * case where a starved transaction starts during an interval that
1583  * meets the requirement "don't send an ordered tag" test so it takes
1584  * us two intervals to determine that a tag must be sent.
1585  */
1586 #ifndef DA_ORDEREDTAG_INTERVAL
1587 #define DA_ORDEREDTAG_INTERVAL 4
1588 #endif
1589 
1590 static struct periph_driver dadriver =
1591 {
1592 	dainit, "da",
1593 	TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
1594 };
1595 
1596 PERIPHDRIVER_DECLARE(da, dadriver);
1597 
1598 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
1599 
1600 /*
1601  * This driver takes out references / holds in well defined pairs, never
1602  * recursively. These macros / inline functions enforce those rules. They
1603  * are only enabled with DA_TRACK_REFS or INVARIANTS. If DA_TRACK_REFS is
1604  * defined to be 2 or larger, the tracking also includes debug printfs.
1605  */
1606 #if defined(DA_TRACK_REFS) || defined(INVARIANTS)
1607 
1608 #ifndef DA_TRACK_REFS
1609 #define DA_TRACK_REFS 1
1610 #endif
1611 
1612 #if DA_TRACK_REFS > 1
1613 static const char *da_ref_text[] = {
1614 	"bogus",
1615 	"open",
1616 	"open hold",
1617 	"close hold",
1618 	"reprobe hold",
1619 	"Test Unit Ready",
1620 	"Geom",
1621 	"sysctl",
1622 	"reprobe",
1623 	"max -- also bogus"
1624 };
1625 
1626 #define DA_PERIPH_PRINT(periph, msg, args...)		\
1627 	CAM_PERIPH_PRINT(periph, msg, ##args)
1628 #else
1629 #define DA_PERIPH_PRINT(periph, msg, args...)
1630 #endif
1631 
1632 static inline void
1633 token_sanity(da_ref_token token)
1634 {
1635 	if ((unsigned)token >= DA_REF_MAX)
1636 		panic("Bad token value passed in %d\n", token);
1637 }
1638 
1639 static inline int
1640 da_periph_hold(struct cam_periph *periph, int priority, da_ref_token token)
1641 {
1642 	int err = cam_periph_hold(periph, priority);
1643 
1644 	token_sanity(token);
1645 	DA_PERIPH_PRINT(periph, "Holding device %s (%d): %d\n",
1646 	    da_ref_text[token], token, err);
1647 	if (err == 0) {
1648 		int cnt;
1649 		struct da_softc *softc = periph->softc;
1650 
1651 		cnt = atomic_fetchadd_int(&softc->ref_flags[token], 1);
1652 		if (cnt != 0)
1653 			panic("Re-holding for reason %d, cnt = %d", token, cnt);
1654 	}
1655 	return (err);
1656 }
1657 
1658 static inline void
1659 da_periph_unhold(struct cam_periph *periph, da_ref_token token)
1660 {
1661 	int cnt;
1662 	struct da_softc *softc = periph->softc;
1663 
1664 	token_sanity(token);
1665 	DA_PERIPH_PRINT(periph, "Unholding device %s (%d)\n",
1666 	    da_ref_text[token], token);
1667 	cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1668 	if (cnt != 1)
1669 		panic("Unholding %d with cnt = %d", token, cnt);
1670 	cam_periph_unhold(periph);
1671 }
1672 
1673 static inline int
1674 da_periph_acquire(struct cam_periph *periph, da_ref_token token)
1675 {
1676 	int err = cam_periph_acquire(periph);
1677 
1678 	token_sanity(token);
1679 	DA_PERIPH_PRINT(periph, "acquiring device %s (%d): %d\n",
1680 	    da_ref_text[token], token, err);
1681 	if (err == 0) {
1682 		int cnt;
1683 		struct da_softc *softc = periph->softc;
1684 
1685 		cnt = atomic_fetchadd_int(&softc->ref_flags[token], 1);
1686 		if (cnt != 0)
1687 			panic("Re-refing for reason %d, cnt = %d", token, cnt);
1688 	}
1689 	return (err);
1690 }
1691 
1692 static inline void
1693 da_periph_release(struct cam_periph *periph, da_ref_token token)
1694 {
1695 	int cnt;
1696 	struct da_softc *softc = periph->softc;
1697 
1698 	token_sanity(token);
1699 	DA_PERIPH_PRINT(periph, "releasing device %s (%d)\n",
1700 	    da_ref_text[token], token);
1701 	cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1702 	if (cnt != 1)
1703 		panic("Releasing %d with cnt = %d", token, cnt);
1704 	cam_periph_release(periph);
1705 }
1706 
1707 static inline void
1708 da_periph_release_locked(struct cam_periph *periph, da_ref_token token)
1709 {
1710 	int cnt;
1711 	struct da_softc *softc = periph->softc;
1712 
1713 	token_sanity(token);
1714 	DA_PERIPH_PRINT(periph, "releasing device (locked) %s (%d)\n",
1715 	    da_ref_text[token], token);
1716 	cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1717 	if (cnt != 1)
1718 		panic("releasing (locked) %d with cnt = %d", token, cnt);
1719 	cam_periph_release_locked(periph);
1720 }
1721 
1722 #define cam_periph_hold POISON
1723 #define cam_periph_unhold POISON
1724 #define cam_periph_acquire POISON
1725 #define cam_periph_release POISON
1726 #define cam_periph_release_locked POISON
1727 
1728 #else
1729 #define	da_periph_hold(periph, prio, token)	cam_periph_hold((periph), (prio))
1730 #define da_periph_unhold(periph, token)		cam_periph_unhold((periph))
1731 #define da_periph_acquire(periph, token)	cam_periph_acquire((periph))
1732 #define da_periph_release(periph, token)	cam_periph_release((periph))
1733 #define da_periph_release_locked(periph, token)	cam_periph_release_locked((periph))
1734 #endif
1735 
1736 static int
1737 daopen(struct disk *dp)
1738 {
1739 	struct cam_periph *periph;
1740 	struct da_softc *softc;
1741 	int error;
1742 
1743 	periph = (struct cam_periph *)dp->d_drv1;
1744 	if (da_periph_acquire(periph, DA_REF_OPEN) != 0) {
1745 		return (ENXIO);
1746 	}
1747 
1748 	cam_periph_lock(periph);
1749 	if ((error = da_periph_hold(periph, PRIBIO|PCATCH, DA_REF_OPEN_HOLD)) != 0) {
1750 		cam_periph_unlock(periph);
1751 		da_periph_release(periph, DA_REF_OPEN);
1752 		return (error);
1753 	}
1754 
1755 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1756 	    ("daopen\n"));
1757 
1758 	softc = (struct da_softc *)periph->softc;
1759 	dareprobe(periph);
1760 
1761 	/* Wait for the disk size update.  */
1762 	error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO,
1763 	    "dareprobe", 0);
1764 	if (error != 0)
1765 		xpt_print(periph->path, "unable to retrieve capacity data\n");
1766 
1767 	if (periph->flags & CAM_PERIPH_INVALID)
1768 		error = ENXIO;
1769 
1770 	if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1771 	    (softc->quirks & DA_Q_NO_PREVENT) == 0)
1772 		daprevent(periph, PR_PREVENT);
1773 
1774 	if (error == 0) {
1775 		softc->flags &= ~DA_FLAG_PACK_INVALID;
1776 		softc->flags |= DA_FLAG_OPEN;
1777 	}
1778 
1779 	da_periph_unhold(periph, DA_REF_OPEN_HOLD);
1780 	cam_periph_unlock(periph);
1781 
1782 	if (error != 0)
1783 		da_periph_release(periph, DA_REF_OPEN);
1784 
1785 	return (error);
1786 }
1787 
1788 static int
1789 daclose(struct disk *dp)
1790 {
1791 	struct	cam_periph *periph;
1792 	struct	da_softc *softc;
1793 	union	ccb *ccb;
1794 
1795 	periph = (struct cam_periph *)dp->d_drv1;
1796 	softc = (struct da_softc *)periph->softc;
1797 	cam_periph_lock(periph);
1798 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1799 	    ("daclose\n"));
1800 
1801 	if (da_periph_hold(periph, PRIBIO, DA_REF_CLOSE_HOLD) == 0) {
1802 
1803 		/* Flush disk cache. */
1804 		if ((softc->flags & DA_FLAG_DIRTY) != 0 &&
1805 		    (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 &&
1806 		    (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
1807 			ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1808 			scsi_synchronize_cache(&ccb->csio, /*retries*/1,
1809 			    /*cbfcnp*/NULL, MSG_SIMPLE_Q_TAG,
1810 			    /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE,
1811 			    5 * 60 * 1000);
1812 			cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
1813 			    /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR,
1814 			    softc->disk->d_devstat);
1815 			softc->flags &= ~DA_FLAG_DIRTY;
1816 			xpt_release_ccb(ccb);
1817 		}
1818 
1819 		/* Allow medium removal. */
1820 		if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1821 		    (softc->quirks & DA_Q_NO_PREVENT) == 0)
1822 			daprevent(periph, PR_ALLOW);
1823 
1824 		da_periph_unhold(periph, DA_REF_CLOSE_HOLD);
1825 	}
1826 
1827 	/*
1828 	 * If we've got removable media, mark the blocksize as
1829 	 * unavailable, since it could change when new media is
1830 	 * inserted.
1831 	 */
1832 	if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)
1833 		softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1834 
1835 	softc->flags &= ~DA_FLAG_OPEN;
1836 	while (softc->refcount != 0)
1837 		cam_periph_sleep(periph, &softc->refcount, PRIBIO, "daclose", 1);
1838 	cam_periph_unlock(periph);
1839 	da_periph_release(periph, DA_REF_OPEN);
1840 	return (0);
1841 }
1842 
1843 static void
1844 daschedule(struct cam_periph *periph)
1845 {
1846 	struct da_softc *softc = (struct da_softc *)periph->softc;
1847 
1848 	if (softc->state != DA_STATE_NORMAL)
1849 		return;
1850 
1851 	cam_iosched_schedule(softc->cam_iosched, periph);
1852 }
1853 
1854 /*
1855  * Actually translate the requested transfer into one the physical driver
1856  * can understand.  The transfer is described by a buf and will include
1857  * only one physical transfer.
1858  */
1859 static void
1860 dastrategy(struct bio *bp)
1861 {
1862 	struct cam_periph *periph;
1863 	struct da_softc *softc;
1864 
1865 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1866 	softc = (struct da_softc *)periph->softc;
1867 
1868 	cam_periph_lock(periph);
1869 
1870 	/*
1871 	 * If the device has been made invalid, error out
1872 	 */
1873 	if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1874 		cam_periph_unlock(periph);
1875 		biofinish(bp, NULL, ENXIO);
1876 		return;
1877 	}
1878 
1879 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp));
1880 
1881 	/*
1882 	 * Zone commands must be ordered, because they can depend on the
1883 	 * effects of previously issued commands, and they may affect
1884 	 * commands after them.
1885 	 */
1886 	if (bp->bio_cmd == BIO_ZONE)
1887 		bp->bio_flags |= BIO_ORDERED;
1888 
1889 	/*
1890 	 * Place it in the queue of disk activities for this disk
1891 	 */
1892 	cam_iosched_queue_work(softc->cam_iosched, bp);
1893 
1894 	/*
1895 	 * Schedule ourselves for performing the work.
1896 	 */
1897 	daschedule(periph);
1898 	cam_periph_unlock(periph);
1899 
1900 	return;
1901 }
1902 
1903 static int
1904 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1905 {
1906 	struct	    cam_periph *periph;
1907 	struct	    da_softc *softc;
1908 	u_int	    secsize;
1909 	struct	    ccb_scsiio csio;
1910 	struct	    disk *dp;
1911 	int	    error = 0;
1912 
1913 	dp = arg;
1914 	periph = dp->d_drv1;
1915 	softc = (struct da_softc *)periph->softc;
1916 	secsize = softc->params.secsize;
1917 
1918 	if ((softc->flags & DA_FLAG_PACK_INVALID) != 0)
1919 		return (ENXIO);
1920 
1921 	memset(&csio, 0, sizeof(csio));
1922 	if (length > 0) {
1923 		xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1924 		csio.ccb_h.ccb_state = DA_CCB_DUMP;
1925 		scsi_read_write(&csio,
1926 				/*retries*/0,
1927 				/*cbfcnp*/NULL,
1928 				MSG_ORDERED_Q_TAG,
1929 				/*read*/SCSI_RW_WRITE,
1930 				/*byte2*/0,
1931 				/*minimum_cmd_size*/ softc->minimum_cmd_size,
1932 				offset / secsize,
1933 				length / secsize,
1934 				/*data_ptr*/(u_int8_t *) virtual,
1935 				/*dxfer_len*/length,
1936 				/*sense_len*/SSD_FULL_SIZE,
1937 				da_default_timeout * 1000);
1938 		error = cam_periph_runccb((union ccb *)&csio, cam_periph_error,
1939 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1940 		if (error != 0)
1941 			printf("Aborting dump due to I/O error.\n");
1942 		return (error);
1943 	}
1944 
1945 	/*
1946 	 * Sync the disk cache contents to the physical media.
1947 	 */
1948 	if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1949 
1950 		xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1951 		csio.ccb_h.ccb_state = DA_CCB_DUMP;
1952 		scsi_synchronize_cache(&csio,
1953 				       /*retries*/0,
1954 				       /*cbfcnp*/NULL,
1955 				       MSG_SIMPLE_Q_TAG,
1956 				       /*begin_lba*/0,/* Cover the whole disk */
1957 				       /*lb_count*/0,
1958 				       SSD_FULL_SIZE,
1959 				       5 * 1000);
1960 		error = cam_periph_runccb((union ccb *)&csio, cam_periph_error,
1961 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1962 		if (error != 0)
1963 			xpt_print(periph->path, "Synchronize cache failed\n");
1964 	}
1965 	return (error);
1966 }
1967 
1968 static int
1969 dagetattr(struct bio *bp)
1970 {
1971 	int ret;
1972 	struct cam_periph *periph;
1973 
1974 	if (g_handleattr_int(bp, "GEOM::canspeedup", da_enable_biospeedup))
1975 		return (EJUSTRETURN);
1976 
1977 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1978 	cam_periph_lock(periph);
1979 	ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1980 	    periph->path);
1981 	cam_periph_unlock(periph);
1982 	if (ret == 0)
1983 		bp->bio_completed = bp->bio_length;
1984 	return ret;
1985 }
1986 
1987 static void
1988 dainit(void)
1989 {
1990 	cam_status status;
1991 
1992 	/*
1993 	 * Install a global async callback.  This callback will
1994 	 * receive async callbacks like "new device found".
1995 	 */
1996 	status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
1997 
1998 	if (status != CAM_REQ_CMP) {
1999 		printf("da: Failed to attach master async callback "
2000 		       "due to status 0x%x!\n", status);
2001 	} else if (da_send_ordered) {
2002 
2003 		/* Register our shutdown event handler */
2004 		if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
2005 					   NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
2006 		    printf("dainit: shutdown event registration failed!\n");
2007 	}
2008 }
2009 
2010 /*
2011  * Callback from GEOM, called when it has finished cleaning up its
2012  * resources.
2013  */
2014 static void
2015 dadiskgonecb(struct disk *dp)
2016 {
2017 	struct cam_periph *periph;
2018 
2019 	periph = (struct cam_periph *)dp->d_drv1;
2020 	da_periph_release(periph, DA_REF_GEOM);
2021 }
2022 
2023 static void
2024 daoninvalidate(struct cam_periph *periph)
2025 {
2026 	struct da_softc *softc;
2027 
2028 	cam_periph_assert(periph, MA_OWNED);
2029 	softc = (struct da_softc *)periph->softc;
2030 
2031 	/*
2032 	 * De-register any async callbacks.
2033 	 */
2034 	xpt_register_async(0, daasync, periph, periph->path);
2035 
2036 	softc->flags |= DA_FLAG_PACK_INVALID;
2037 #ifdef CAM_IO_STATS
2038 	softc->invalidations++;
2039 #endif
2040 
2041 	/*
2042 	 * Return all queued I/O with ENXIO.
2043 	 * XXX Handle any transactions queued to the card
2044 	 *     with XPT_ABORT_CCB.
2045 	 */
2046 	cam_iosched_flush(softc->cam_iosched, NULL, ENXIO);
2047 
2048 	/*
2049 	 * Tell GEOM that we've gone away, we'll get a callback when it is
2050 	 * done cleaning up its resources.
2051 	 */
2052 	disk_gone(softc->disk);
2053 }
2054 
2055 static void
2056 dacleanup(struct cam_periph *periph)
2057 {
2058 	struct da_softc *softc;
2059 
2060 	softc = (struct da_softc *)periph->softc;
2061 
2062 	cam_periph_unlock(periph);
2063 
2064 	cam_iosched_fini(softc->cam_iosched);
2065 
2066 	/*
2067 	 * If we can't free the sysctl tree, oh well...
2068 	 */
2069 	if ((softc->flags & DA_FLAG_SCTX_INIT) != 0) {
2070 #ifdef CAM_IO_STATS
2071 		if (sysctl_ctx_free(&softc->sysctl_stats_ctx) != 0)
2072 			xpt_print(periph->path,
2073 			    "can't remove sysctl stats context\n");
2074 #endif
2075 		if (sysctl_ctx_free(&softc->sysctl_ctx) != 0)
2076 			xpt_print(periph->path,
2077 			    "can't remove sysctl context\n");
2078 	}
2079 
2080 	callout_drain(&softc->mediapoll_c);
2081 	disk_destroy(softc->disk);
2082 	callout_drain(&softc->sendordered_c);
2083 	free(softc, M_DEVBUF);
2084 	cam_periph_lock(periph);
2085 }
2086 
2087 static void
2088 daasync(void *callback_arg, u_int32_t code,
2089 	struct cam_path *path, void *arg)
2090 {
2091 	struct cam_periph *periph;
2092 	struct da_softc *softc;
2093 
2094 	periph = (struct cam_periph *)callback_arg;
2095 	switch (code) {
2096 	case AC_FOUND_DEVICE:	/* callback to create periph, no locking yet */
2097 	{
2098 		struct ccb_getdev *cgd;
2099 		cam_status status;
2100 
2101 		cgd = (struct ccb_getdev *)arg;
2102 		if (cgd == NULL)
2103 			break;
2104 
2105 		if (cgd->protocol != PROTO_SCSI)
2106 			break;
2107 		if (SID_QUAL(&cgd->inq_data) != SID_QUAL_LU_CONNECTED)
2108 			break;
2109 		if (SID_TYPE(&cgd->inq_data) != T_DIRECT
2110 		    && SID_TYPE(&cgd->inq_data) != T_RBC
2111 		    && SID_TYPE(&cgd->inq_data) != T_OPTICAL
2112 		    && SID_TYPE(&cgd->inq_data) != T_ZBC_HM)
2113 			break;
2114 
2115 		/*
2116 		 * Allocate a peripheral instance for
2117 		 * this device and start the probe
2118 		 * process.
2119 		 */
2120 		status = cam_periph_alloc(daregister, daoninvalidate,
2121 					  dacleanup, dastart,
2122 					  "da", CAM_PERIPH_BIO,
2123 					  path, daasync,
2124 					  AC_FOUND_DEVICE, cgd);
2125 
2126 		if (status != CAM_REQ_CMP
2127 		 && status != CAM_REQ_INPROG)
2128 			printf("daasync: Unable to attach to new device "
2129 				"due to status 0x%x\n", status);
2130 		return;
2131 	}
2132 	case AC_ADVINFO_CHANGED:	/* Doesn't touch periph */
2133 	{
2134 		uintptr_t buftype;
2135 
2136 		buftype = (uintptr_t)arg;
2137 		if (buftype == CDAI_TYPE_PHYS_PATH) {
2138 			struct da_softc *softc;
2139 
2140 			softc = periph->softc;
2141 			disk_attr_changed(softc->disk, "GEOM::physpath",
2142 					  M_NOWAIT);
2143 		}
2144 		break;
2145 	}
2146 	case AC_UNIT_ATTENTION:
2147 	{
2148 		union ccb *ccb;
2149 		int error_code, sense_key, asc, ascq;
2150 
2151 		softc = (struct da_softc *)periph->softc;
2152 		ccb = (union ccb *)arg;
2153 
2154 		/*
2155 		 * Handle all UNIT ATTENTIONs except our own, as they will be
2156 		 * handled by daerror(). Since this comes from a different periph,
2157 		 * that periph's lock is held, not ours, so we have to take it ours
2158 		 * out to touch softc flags.
2159 		 */
2160 		if (xpt_path_periph(ccb->ccb_h.path) != periph &&
2161 		    scsi_extract_sense_ccb(ccb,
2162 		     &error_code, &sense_key, &asc, &ascq)) {
2163 			if (asc == 0x2A && ascq == 0x09) {
2164 				xpt_print(ccb->ccb_h.path,
2165 				    "Capacity data has changed\n");
2166 				cam_periph_lock(periph);
2167 				softc->flags &= ~DA_FLAG_PROBED;
2168 				dareprobe(periph);
2169 				cam_periph_unlock(periph);
2170 			} else if (asc == 0x28 && ascq == 0x00) {
2171 				cam_periph_lock(periph);
2172 				softc->flags &= ~DA_FLAG_PROBED;
2173 				cam_periph_unlock(periph);
2174 				disk_media_changed(softc->disk, M_NOWAIT);
2175 			} else if (asc == 0x3F && ascq == 0x03) {
2176 				xpt_print(ccb->ccb_h.path,
2177 				    "INQUIRY data has changed\n");
2178 				cam_periph_lock(periph);
2179 				softc->flags &= ~DA_FLAG_PROBED;
2180 				dareprobe(periph);
2181 				cam_periph_unlock(periph);
2182 			}
2183 		}
2184 		break;
2185 	}
2186 	case AC_SCSI_AEN:		/* Called for this path: periph locked */
2187 		/*
2188 		 * Appears to be currently unused for SCSI devices, only ata SIMs
2189 		 * generate this.
2190 		 */
2191 		cam_periph_assert(periph, MA_OWNED);
2192 		softc = (struct da_softc *)periph->softc;
2193 		if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR) &&
2194 		    (softc->flags & DA_FLAG_TUR_PENDING) == 0) {
2195 			if (da_periph_acquire(periph, DA_REF_TUR) == 0) {
2196 				cam_iosched_set_work_flags(softc->cam_iosched, DA_WORK_TUR);
2197 				daschedule(periph);
2198 			}
2199 		}
2200 		/* FALLTHROUGH */
2201 	case AC_SENT_BDR:		/* Called for this path: periph locked */
2202 	case AC_BUS_RESET:		/* Called for this path: periph locked */
2203 	{
2204 		struct ccb_hdr *ccbh;
2205 
2206 		cam_periph_assert(periph, MA_OWNED);
2207 		softc = (struct da_softc *)periph->softc;
2208 		/*
2209 		 * Don't fail on the expected unit attention
2210 		 * that will occur.
2211 		 */
2212 		softc->flags |= DA_FLAG_RETRY_UA;
2213 		LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
2214 			ccbh->ccb_state |= DA_CCB_RETRY_UA;
2215 		break;
2216 	}
2217 	case AC_INQ_CHANGED:		/* Called for this path: periph locked */
2218 		cam_periph_assert(periph, MA_OWNED);
2219 		softc = (struct da_softc *)periph->softc;
2220 		softc->flags &= ~DA_FLAG_PROBED;
2221 		dareprobe(periph);
2222 		break;
2223 	default:
2224 		break;
2225 	}
2226 	cam_periph_async(periph, code, path, arg);
2227 }
2228 
2229 static void
2230 dasysctlinit(void *context, int pending)
2231 {
2232 	struct cam_periph *periph;
2233 	struct da_softc *softc;
2234 	char tmpstr[32], tmpstr2[16];
2235 	struct ccb_trans_settings cts;
2236 
2237 	periph = (struct cam_periph *)context;
2238 	/*
2239 	 * periph was held for us when this task was enqueued
2240 	 */
2241 	if (periph->flags & CAM_PERIPH_INVALID) {
2242 		da_periph_release(periph, DA_REF_SYSCTL);
2243 		return;
2244 	}
2245 
2246 	softc = (struct da_softc *)periph->softc;
2247 	snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
2248 	snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
2249 
2250 	sysctl_ctx_init(&softc->sysctl_ctx);
2251 	cam_periph_lock(periph);
2252 	softc->flags |= DA_FLAG_SCTX_INIT;
2253 	cam_periph_unlock(periph);
2254 	softc->sysctl_tree = SYSCTL_ADD_NODE_WITH_LABEL(&softc->sysctl_ctx,
2255 		SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
2256 		CTLFLAG_RD | CTLFLAG_MPSAFE, 0, tmpstr, "device_index");
2257 	if (softc->sysctl_tree == NULL) {
2258 		printf("dasysctlinit: unable to allocate sysctl tree\n");
2259 		da_periph_release(periph, DA_REF_SYSCTL);
2260 		return;
2261 	}
2262 
2263 	/*
2264 	 * Now register the sysctl handler, so the user can change the value on
2265 	 * the fly.
2266 	 */
2267 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2268 		OID_AUTO, "delete_method",
2269 		CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_NEEDGIANT,
2270 		softc, 0, dadeletemethodsysctl, "A",
2271 		"BIO_DELETE execution method");
2272 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2273 		OID_AUTO, "delete_max",
2274 		CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
2275 		softc, 0, dadeletemaxsysctl, "Q",
2276 		"Maximum BIO_DELETE size");
2277 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2278 		OID_AUTO, "minimum_cmd_size",
2279 		CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
2280 		&softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
2281 		"Minimum CDB size");
2282 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2283 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2284 		"trim_count", CTLFLAG_RD, &softc->trim_count,
2285 		"Total number of unmap/dsm commands sent");
2286 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2287 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2288 		"trim_ranges", CTLFLAG_RD, &softc->trim_ranges,
2289 		"Total number of ranges in unmap/dsm commands");
2290 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2291 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2292 		"trim_lbas", CTLFLAG_RD, &softc->trim_lbas,
2293 		"Total lbas in the unmap/dsm commands sent");
2294 
2295 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2296 		OID_AUTO, "zone_mode",
2297 		CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
2298 		softc, 0, dazonemodesysctl, "A",
2299 		"Zone Mode");
2300 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2301 		OID_AUTO, "zone_support",
2302 		CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
2303 		softc, 0, dazonesupsysctl, "A",
2304 		"Zone Support");
2305 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2306 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2307 		"optimal_seq_zones", CTLFLAG_RD, &softc->optimal_seq_zones,
2308 		"Optimal Number of Open Sequential Write Preferred Zones");
2309 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2310 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2311 		"optimal_nonseq_zones", CTLFLAG_RD,
2312 		&softc->optimal_nonseq_zones,
2313 		"Optimal Number of Non-Sequentially Written Sequential Write "
2314 		"Preferred Zones");
2315 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2316 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2317 		"max_seq_zones", CTLFLAG_RD, &softc->max_seq_zones,
2318 		"Maximum Number of Open Sequential Write Required Zones");
2319 
2320 	SYSCTL_ADD_INT(&softc->sysctl_ctx,
2321 		       SYSCTL_CHILDREN(softc->sysctl_tree),
2322 		       OID_AUTO,
2323 		       "error_inject",
2324 		       CTLFLAG_RW,
2325 		       &softc->error_inject,
2326 		       0,
2327 		       "error_inject leaf");
2328 
2329 	SYSCTL_ADD_INT(&softc->sysctl_ctx,
2330 		       SYSCTL_CHILDREN(softc->sysctl_tree),
2331 		       OID_AUTO,
2332 		       "p_type",
2333 		       CTLFLAG_RD,
2334 		       &softc->p_type,
2335 		       0,
2336 		       "DIF protection type");
2337 
2338 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2339 	    OID_AUTO, "flags", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
2340 	    softc, 0, daflagssysctl, "A",
2341 	    "Flags for drive");
2342 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2343 	    OID_AUTO, "rotating", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE,
2344 	    &softc->flags, (u_int)DA_FLAG_ROTATING, dabitsysctl, "I",
2345 	    "Rotating media *DEPRECATED* gone in FreeBSD 14");
2346 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2347 	    OID_AUTO, "unmapped_io", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE,
2348 	    &softc->flags, (u_int)DA_FLAG_UNMAPPEDIO, dabitsysctl, "I",
2349 	    "Unmapped I/O support *DEPRECATED* gone in FreeBSD 14");
2350 
2351 #ifdef CAM_TEST_FAILURE
2352 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2353 		OID_AUTO, "invalidate", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE,
2354 		periph, 0, cam_periph_invalidate_sysctl, "I",
2355 		"Write 1 to invalidate the drive immediately");
2356 #endif
2357 
2358 	/*
2359 	 * Add some addressing info.
2360 	 */
2361 	memset(&cts, 0, sizeof (cts));
2362 	xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
2363 	cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
2364 	cts.type = CTS_TYPE_CURRENT_SETTINGS;
2365 	cam_periph_lock(periph);
2366 	xpt_action((union ccb *)&cts);
2367 	cam_periph_unlock(periph);
2368 	if (cts.ccb_h.status != CAM_REQ_CMP) {
2369 		da_periph_release(periph, DA_REF_SYSCTL);
2370 		return;
2371 	}
2372 	if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) {
2373 		struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc;
2374 		if (fc->valid & CTS_FC_VALID_WWPN) {
2375 			softc->wwpn = fc->wwpn;
2376 			SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2377 			    SYSCTL_CHILDREN(softc->sysctl_tree),
2378 			    OID_AUTO, "wwpn", CTLFLAG_RD,
2379 			    &softc->wwpn, "World Wide Port Name");
2380 		}
2381 	}
2382 
2383 #ifdef CAM_IO_STATS
2384 	/*
2385 	 * Now add some useful stats.
2386 	 * XXX These should live in cam_periph and be common to all periphs
2387 	 */
2388 	softc->sysctl_stats_tree = SYSCTL_ADD_NODE(&softc->sysctl_stats_ctx,
2389 	    SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "stats",
2390 	    CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Statistics");
2391 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2392 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2393 		       OID_AUTO,
2394 		       "errors",
2395 		       CTLFLAG_RD,
2396 		       &softc->errors,
2397 		       0,
2398 		       "Transport errors reported by the SIM");
2399 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2400 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2401 		       OID_AUTO,
2402 		       "timeouts",
2403 		       CTLFLAG_RD,
2404 		       &softc->timeouts,
2405 		       0,
2406 		       "Device timeouts reported by the SIM");
2407 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2408 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2409 		       OID_AUTO,
2410 		       "pack_invalidations",
2411 		       CTLFLAG_RD,
2412 		       &softc->invalidations,
2413 		       0,
2414 		       "Device pack invalidations");
2415 #endif
2416 
2417 	cam_iosched_sysctl_init(softc->cam_iosched, &softc->sysctl_ctx,
2418 	    softc->sysctl_tree);
2419 
2420 	da_periph_release(periph, DA_REF_SYSCTL);
2421 }
2422 
2423 static int
2424 dadeletemaxsysctl(SYSCTL_HANDLER_ARGS)
2425 {
2426 	int error;
2427 	uint64_t value;
2428 	struct da_softc *softc;
2429 
2430 	softc = (struct da_softc *)arg1;
2431 
2432 	value = softc->disk->d_delmaxsize;
2433 	error = sysctl_handle_64(oidp, &value, 0, req);
2434 	if ((error != 0) || (req->newptr == NULL))
2435 		return (error);
2436 
2437 	/* only accept values smaller than the calculated value */
2438 	if (value > dadeletemaxsize(softc, softc->delete_method)) {
2439 		return (EINVAL);
2440 	}
2441 	softc->disk->d_delmaxsize = value;
2442 
2443 	return (0);
2444 }
2445 
2446 static int
2447 dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
2448 {
2449 	int error, value;
2450 
2451 	value = *(int *)arg1;
2452 
2453 	error = sysctl_handle_int(oidp, &value, 0, req);
2454 
2455 	if ((error != 0)
2456 	 || (req->newptr == NULL))
2457 		return (error);
2458 
2459 	/*
2460 	 * Acceptable values here are 6, 10, 12 or 16.
2461 	 */
2462 	if (value < 6)
2463 		value = 6;
2464 	else if ((value > 6)
2465 	      && (value <= 10))
2466 		value = 10;
2467 	else if ((value > 10)
2468 	      && (value <= 12))
2469 		value = 12;
2470 	else if (value > 12)
2471 		value = 16;
2472 
2473 	*(int *)arg1 = value;
2474 
2475 	return (0);
2476 }
2477 
2478 static int
2479 dasysctlsofttimeout(SYSCTL_HANDLER_ARGS)
2480 {
2481 	sbintime_t value;
2482 	int error;
2483 
2484 	value = da_default_softtimeout / SBT_1MS;
2485 
2486 	error = sysctl_handle_int(oidp, (int *)&value, 0, req);
2487 	if ((error != 0) || (req->newptr == NULL))
2488 		return (error);
2489 
2490 	/* XXX Should clip this to a reasonable level */
2491 	if (value > da_default_timeout * 1000)
2492 		return (EINVAL);
2493 
2494 	da_default_softtimeout = value * SBT_1MS;
2495 	return (0);
2496 }
2497 
2498 static void
2499 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method)
2500 {
2501 
2502 	softc->delete_method = delete_method;
2503 	softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method);
2504 	softc->delete_func = da_delete_functions[delete_method];
2505 
2506 	if (softc->delete_method > DA_DELETE_DISABLE)
2507 		softc->disk->d_flags |= DISKFLAG_CANDELETE;
2508 	else
2509 		softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
2510 }
2511 
2512 static off_t
2513 dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method)
2514 {
2515 	off_t sectors;
2516 
2517 	switch(delete_method) {
2518 	case DA_DELETE_UNMAP:
2519 		sectors = (off_t)softc->unmap_max_lba;
2520 		break;
2521 	case DA_DELETE_ATA_TRIM:
2522 		sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
2523 		break;
2524 	case DA_DELETE_WS16:
2525 		sectors = omin(softc->ws_max_blks, WS16_MAX_BLKS);
2526 		break;
2527 	case DA_DELETE_ZERO:
2528 	case DA_DELETE_WS10:
2529 		sectors = omin(softc->ws_max_blks, WS10_MAX_BLKS);
2530 		break;
2531 	default:
2532 		return 0;
2533 	}
2534 
2535 	return (off_t)softc->params.secsize *
2536 	    omin(sectors, softc->params.sectors);
2537 }
2538 
2539 static void
2540 daprobedone(struct cam_periph *periph, union ccb *ccb)
2541 {
2542 	struct da_softc *softc;
2543 
2544 	softc = (struct da_softc *)periph->softc;
2545 
2546 	cam_periph_assert(periph, MA_OWNED);
2547 
2548 	dadeletemethodchoose(softc, DA_DELETE_NONE);
2549 
2550 	if (bootverbose && (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2551 		char buf[80];
2552 		int i, sep;
2553 
2554 		snprintf(buf, sizeof(buf), "Delete methods: <");
2555 		sep = 0;
2556 		for (i = 0; i <= DA_DELETE_MAX; i++) {
2557 			if ((softc->delete_available & (1 << i)) == 0 &&
2558 			    i != softc->delete_method)
2559 				continue;
2560 			if (sep)
2561 				strlcat(buf, ",", sizeof(buf));
2562 			strlcat(buf, da_delete_method_names[i],
2563 			    sizeof(buf));
2564 			if (i == softc->delete_method)
2565 				strlcat(buf, "(*)", sizeof(buf));
2566 			sep = 1;
2567 		}
2568 		strlcat(buf, ">", sizeof(buf));
2569 		printf("%s%d: %s\n", periph->periph_name,
2570 		    periph->unit_number, buf);
2571 	}
2572 	if ((softc->disk->d_flags & DISKFLAG_WRITE_PROTECT) != 0 &&
2573 	    (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2574 		printf("%s%d: Write Protected\n", periph->periph_name,
2575 		    periph->unit_number);
2576 	}
2577 
2578 	/*
2579 	 * Since our peripheral may be invalidated by an error
2580 	 * above or an external event, we must release our CCB
2581 	 * before releasing the probe lock on the peripheral.
2582 	 * The peripheral will only go away once the last lock
2583 	 * is removed, and we need it around for the CCB release
2584 	 * operation.
2585 	 */
2586 	xpt_release_ccb(ccb);
2587 	softc->state = DA_STATE_NORMAL;
2588 	softc->flags |= DA_FLAG_PROBED;
2589 	daschedule(periph);
2590 	wakeup(&softc->disk->d_mediasize);
2591 	if ((softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2592 		softc->flags |= DA_FLAG_ANNOUNCED;
2593 		da_periph_unhold(periph, DA_REF_PROBE_HOLD);
2594 	} else
2595 		da_periph_release_locked(periph, DA_REF_REPROBE);
2596 }
2597 
2598 static void
2599 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method)
2600 {
2601 	int i, methods;
2602 
2603 	/* If available, prefer the method requested by user. */
2604 	i = softc->delete_method_pref;
2605 	methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
2606 	if (methods & (1 << i)) {
2607 		dadeletemethodset(softc, i);
2608 		return;
2609 	}
2610 
2611 	/* Use the pre-defined order to choose the best performing delete. */
2612 	for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
2613 		if (i == DA_DELETE_ZERO)
2614 			continue;
2615 		if (softc->delete_available & (1 << i)) {
2616 			dadeletemethodset(softc, i);
2617 			return;
2618 		}
2619 	}
2620 
2621 	/* Fallback to default. */
2622 	dadeletemethodset(softc, default_method);
2623 }
2624 
2625 static int
2626 dabitsysctl(SYSCTL_HANDLER_ARGS)
2627 {
2628 	u_int *flags = arg1;
2629 	u_int test = arg2;
2630 	int tmpout, error;
2631 
2632 	tmpout = !!(*flags & test);
2633 	error = SYSCTL_OUT(req, &tmpout, sizeof(tmpout));
2634 	if (error || !req->newptr)
2635 		return (error);
2636 
2637 	return (EPERM);
2638 }
2639 
2640 static int
2641 daflagssysctl(SYSCTL_HANDLER_ARGS)
2642 {
2643 	struct sbuf sbuf;
2644 	struct da_softc *softc = arg1;
2645 	int error;
2646 
2647 	sbuf_new_for_sysctl(&sbuf, NULL, 0, req);
2648 	if (softc->flags != 0)
2649 		sbuf_printf(&sbuf, "0x%b", (unsigned)softc->flags, DA_FLAG_STRING);
2650 	else
2651 		sbuf_printf(&sbuf, "0");
2652 	error = sbuf_finish(&sbuf);
2653 	sbuf_delete(&sbuf);
2654 
2655 	return (error);
2656 }
2657 
2658 static int
2659 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
2660 {
2661 	char buf[16];
2662 	const char *p;
2663 	struct da_softc *softc;
2664 	int i, error, value;
2665 
2666 	softc = (struct da_softc *)arg1;
2667 
2668 	value = softc->delete_method;
2669 	if (value < 0 || value > DA_DELETE_MAX)
2670 		p = "UNKNOWN";
2671 	else
2672 		p = da_delete_method_names[value];
2673 	strncpy(buf, p, sizeof(buf));
2674 	error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
2675 	if (error != 0 || req->newptr == NULL)
2676 		return (error);
2677 	for (i = 0; i <= DA_DELETE_MAX; i++) {
2678 		if (strcmp(buf, da_delete_method_names[i]) == 0)
2679 			break;
2680 	}
2681 	if (i > DA_DELETE_MAX)
2682 		return (EINVAL);
2683 	softc->delete_method_pref = i;
2684 	dadeletemethodchoose(softc, DA_DELETE_NONE);
2685 	return (0);
2686 }
2687 
2688 static int
2689 dazonemodesysctl(SYSCTL_HANDLER_ARGS)
2690 {
2691 	char tmpbuf[40];
2692 	struct da_softc *softc;
2693 	int error;
2694 
2695 	softc = (struct da_softc *)arg1;
2696 
2697 	switch (softc->zone_mode) {
2698 	case DA_ZONE_DRIVE_MANAGED:
2699 		snprintf(tmpbuf, sizeof(tmpbuf), "Drive Managed");
2700 		break;
2701 	case DA_ZONE_HOST_AWARE:
2702 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Aware");
2703 		break;
2704 	case DA_ZONE_HOST_MANAGED:
2705 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Managed");
2706 		break;
2707 	case DA_ZONE_NONE:
2708 	default:
2709 		snprintf(tmpbuf, sizeof(tmpbuf), "Not Zoned");
2710 		break;
2711 	}
2712 
2713 	error = sysctl_handle_string(oidp, tmpbuf, sizeof(tmpbuf), req);
2714 
2715 	return (error);
2716 }
2717 
2718 static int
2719 dazonesupsysctl(SYSCTL_HANDLER_ARGS)
2720 {
2721 	char tmpbuf[180];
2722 	struct da_softc *softc;
2723 	struct sbuf sb;
2724 	int error, first;
2725 	unsigned int i;
2726 
2727 	softc = (struct da_softc *)arg1;
2728 
2729 	error = 0;
2730 	first = 1;
2731 	sbuf_new(&sb, tmpbuf, sizeof(tmpbuf), 0);
2732 
2733 	for (i = 0; i < sizeof(da_zone_desc_table) /
2734 	     sizeof(da_zone_desc_table[0]); i++) {
2735 		if (softc->zone_flags & da_zone_desc_table[i].value) {
2736 			if (first == 0)
2737 				sbuf_printf(&sb, ", ");
2738 			else
2739 				first = 0;
2740 			sbuf_cat(&sb, da_zone_desc_table[i].desc);
2741 		}
2742 	}
2743 
2744 	if (first == 1)
2745 		sbuf_printf(&sb, "None");
2746 
2747 	sbuf_finish(&sb);
2748 
2749 	error = sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
2750 
2751 	return (error);
2752 }
2753 
2754 static cam_status
2755 daregister(struct cam_periph *periph, void *arg)
2756 {
2757 	struct da_softc *softc;
2758 	struct ccb_pathinq cpi;
2759 	struct ccb_getdev *cgd;
2760 	char tmpstr[80];
2761 	caddr_t match;
2762 	int quirks;
2763 
2764 	cgd = (struct ccb_getdev *)arg;
2765 	if (cgd == NULL) {
2766 		printf("daregister: no getdev CCB, can't register device\n");
2767 		return(CAM_REQ_CMP_ERR);
2768 	}
2769 
2770 	softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
2771 	    M_NOWAIT|M_ZERO);
2772 
2773 	if (softc == NULL) {
2774 		printf("daregister: Unable to probe new device. "
2775 		       "Unable to allocate softc\n");
2776 		return(CAM_REQ_CMP_ERR);
2777 	}
2778 
2779 	if (cam_iosched_init(&softc->cam_iosched, periph) != 0) {
2780 		printf("daregister: Unable to probe new device. "
2781 		       "Unable to allocate iosched memory\n");
2782 		free(softc, M_DEVBUF);
2783 		return(CAM_REQ_CMP_ERR);
2784 	}
2785 
2786 	LIST_INIT(&softc->pending_ccbs);
2787 	softc->state = DA_STATE_PROBE_WP;
2788 	bioq_init(&softc->delete_run_queue);
2789 	if (SID_IS_REMOVABLE(&cgd->inq_data))
2790 		softc->flags |= DA_FLAG_PACK_REMOVABLE;
2791 	softc->unmap_max_ranges = UNMAP_MAX_RANGES;
2792 	softc->unmap_max_lba = UNMAP_RANGE_MAX;
2793 	softc->unmap_gran = 0;
2794 	softc->unmap_gran_align = 0;
2795 	softc->ws_max_blks = WS16_MAX_BLKS;
2796 	softc->trim_max_ranges = ATA_TRIM_MAX_RANGES;
2797 	softc->flags |= DA_FLAG_ROTATING;
2798 
2799 	periph->softc = softc;
2800 
2801 	/*
2802 	 * See if this device has any quirks.
2803 	 */
2804 	match = cam_quirkmatch((caddr_t)&cgd->inq_data,
2805 			       (caddr_t)da_quirk_table,
2806 			       nitems(da_quirk_table),
2807 			       sizeof(*da_quirk_table), scsi_inquiry_match);
2808 
2809 	if (match != NULL)
2810 		softc->quirks = ((struct da_quirk_entry *)match)->quirks;
2811 	else
2812 		softc->quirks = DA_Q_NONE;
2813 
2814 	/* Check if the SIM does not want 6 byte commands */
2815 	xpt_path_inq(&cpi, periph->path);
2816 	if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
2817 		softc->quirks |= DA_Q_NO_6_BYTE;
2818 
2819 	/* Override quirks if tunable is set */
2820 	snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.quirks",
2821 		 periph->unit_number);
2822 	quirks = softc->quirks;
2823 	TUNABLE_INT_FETCH(tmpstr, &quirks);
2824 	softc->quirks = quirks;
2825 
2826 	if (SID_TYPE(&cgd->inq_data) == T_ZBC_HM)
2827 		softc->zone_mode = DA_ZONE_HOST_MANAGED;
2828 	else if (softc->quirks & DA_Q_SMR_DM)
2829 		softc->zone_mode = DA_ZONE_DRIVE_MANAGED;
2830 	else
2831 		softc->zone_mode = DA_ZONE_NONE;
2832 
2833 	if (softc->zone_mode != DA_ZONE_NONE) {
2834 		if (scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
2835 			if (scsi_vpd_supported_page(periph, SVPD_ZONED_BDC))
2836 				softc->zone_interface = DA_ZONE_IF_ATA_SAT;
2837 			else
2838 				softc->zone_interface = DA_ZONE_IF_ATA_PASS;
2839 		} else
2840 			softc->zone_interface = DA_ZONE_IF_SCSI;
2841 	}
2842 
2843 	TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
2844 
2845 	/*
2846 	 * Take an exclusive section lock qon the periph while dastart is called
2847 	 * to finish the probe.  The lock will be dropped in dadone at the end
2848 	 * of probe. This locks out daopen and daclose from racing with the
2849 	 * probe.
2850 	 *
2851 	 * XXX if cam_periph_hold returns an error, we don't hold a refcount.
2852 	 */
2853 	(void)da_periph_hold(periph, PRIBIO, DA_REF_PROBE_HOLD);
2854 
2855 	/*
2856 	 * Schedule a periodic event to occasionally send an
2857 	 * ordered tag to a device.
2858 	 */
2859 	callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
2860 	callout_reset(&softc->sendordered_c,
2861 	    (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
2862 	    dasendorderedtag, periph);
2863 
2864 	cam_periph_unlock(periph);
2865 	/*
2866 	 * RBC devices don't have to support READ(6), only READ(10).
2867 	 */
2868 	if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
2869 		softc->minimum_cmd_size = 10;
2870 	else
2871 		softc->minimum_cmd_size = 6;
2872 
2873 	/*
2874 	 * Load the user's default, if any.
2875 	 */
2876 	snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
2877 		 periph->unit_number);
2878 	TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
2879 
2880 	/*
2881 	 * 6, 10, 12 and 16 are the currently permissible values.
2882 	 */
2883 	if (softc->minimum_cmd_size > 12)
2884 		softc->minimum_cmd_size = 16;
2885 	else if (softc->minimum_cmd_size > 10)
2886 		softc->minimum_cmd_size = 12;
2887 	else if (softc->minimum_cmd_size > 6)
2888 		softc->minimum_cmd_size = 10;
2889 	else
2890 		softc->minimum_cmd_size = 6;
2891 
2892 	/* Predict whether device may support READ CAPACITY(16). */
2893 	if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 &&
2894 	    (softc->quirks & DA_Q_NO_RC16) == 0) {
2895 		softc->flags |= DA_FLAG_CAN_RC16;
2896 	}
2897 
2898 	/*
2899 	 * Register this media as a disk.
2900 	 */
2901 	softc->disk = disk_alloc();
2902 	softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
2903 			  periph->unit_number, 0,
2904 			  DEVSTAT_BS_UNAVAILABLE,
2905 			  SID_TYPE(&cgd->inq_data) |
2906 			  XPORT_DEVSTAT_TYPE(cpi.transport),
2907 			  DEVSTAT_PRIORITY_DISK);
2908 	softc->disk->d_open = daopen;
2909 	softc->disk->d_close = daclose;
2910 	softc->disk->d_strategy = dastrategy;
2911 	softc->disk->d_dump = dadump;
2912 	softc->disk->d_getattr = dagetattr;
2913 	softc->disk->d_gone = dadiskgonecb;
2914 	softc->disk->d_name = "da";
2915 	softc->disk->d_drv1 = periph;
2916 	if (cpi.maxio == 0)
2917 		softc->maxio = DFLTPHYS;	/* traditional default */
2918 	else if (cpi.maxio > MAXPHYS)
2919 		softc->maxio = MAXPHYS;		/* for safety */
2920 	else
2921 		softc->maxio = cpi.maxio;
2922 	if (softc->quirks & DA_Q_128KB)
2923 		softc->maxio = min(softc->maxio, 128 * 1024);
2924 	softc->disk->d_maxsize = softc->maxio;
2925 	softc->disk->d_unit = periph->unit_number;
2926 	softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION | DISKFLAG_CANZONE;
2927 	if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
2928 		softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
2929 	if ((cpi.hba_misc & PIM_UNMAPPED) != 0) {
2930 		softc->flags |= DA_FLAG_UNMAPPEDIO;
2931 		softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
2932 	}
2933 	cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
2934 	    sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
2935 	strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
2936 	cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
2937 	    cgd->inq_data.product, sizeof(cgd->inq_data.product),
2938 	    sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
2939 	softc->disk->d_hba_vendor = cpi.hba_vendor;
2940 	softc->disk->d_hba_device = cpi.hba_device;
2941 	softc->disk->d_hba_subvendor = cpi.hba_subvendor;
2942 	softc->disk->d_hba_subdevice = cpi.hba_subdevice;
2943 	snprintf(softc->disk->d_attachment, sizeof(softc->disk->d_attachment),
2944 	    "%s%d", cpi.dev_name, cpi.unit_number);
2945 
2946 	/*
2947 	 * Acquire a reference to the periph before we register with GEOM.
2948 	 * We'll release this reference once GEOM calls us back (via
2949 	 * dadiskgonecb()) telling us that our provider has been freed.
2950 	 */
2951 	if (da_periph_acquire(periph, DA_REF_GEOM) != 0) {
2952 		xpt_print(periph->path, "%s: lost periph during "
2953 			  "registration!\n", __func__);
2954 		cam_periph_lock(periph);
2955 		return (CAM_REQ_CMP_ERR);
2956 	}
2957 
2958 	disk_create(softc->disk, DISK_VERSION);
2959 	cam_periph_lock(periph);
2960 
2961 	/*
2962 	 * Add async callbacks for events of interest.
2963 	 * I don't bother checking if this fails as,
2964 	 * in most cases, the system will function just
2965 	 * fine without them and the only alternative
2966 	 * would be to not attach the device on failure.
2967 	 */
2968 	xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
2969 	    AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION |
2970 	    AC_INQ_CHANGED, daasync, periph, periph->path);
2971 
2972 	/*
2973 	 * Emit an attribute changed notification just in case
2974 	 * physical path information arrived before our async
2975 	 * event handler was registered, but after anyone attaching
2976 	 * to our disk device polled it.
2977 	 */
2978 	disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT);
2979 
2980 	/*
2981 	 * Schedule a periodic media polling events.
2982 	 */
2983 	callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0);
2984 	if ((softc->flags & DA_FLAG_PACK_REMOVABLE) &&
2985 	    (cgd->inq_flags & SID_AEN) == 0 &&
2986 	    da_poll_period != 0)
2987 		callout_reset(&softc->mediapoll_c, da_poll_period * hz,
2988 		    damediapoll, periph);
2989 
2990 	xpt_schedule(periph, CAM_PRIORITY_DEV);
2991 
2992 	return(CAM_REQ_CMP);
2993 }
2994 
2995 static int
2996 da_zone_bio_to_scsi(int disk_zone_cmd)
2997 {
2998 	switch (disk_zone_cmd) {
2999 	case DISK_ZONE_OPEN:
3000 		return ZBC_OUT_SA_OPEN;
3001 	case DISK_ZONE_CLOSE:
3002 		return ZBC_OUT_SA_CLOSE;
3003 	case DISK_ZONE_FINISH:
3004 		return ZBC_OUT_SA_FINISH;
3005 	case DISK_ZONE_RWP:
3006 		return ZBC_OUT_SA_RWP;
3007 	}
3008 
3009 	return -1;
3010 }
3011 
3012 static int
3013 da_zone_cmd(struct cam_periph *periph, union ccb *ccb, struct bio *bp,
3014 	    int *queue_ccb)
3015 {
3016 	struct da_softc *softc;
3017 	int error;
3018 
3019 	error = 0;
3020 
3021 	if (bp->bio_cmd != BIO_ZONE) {
3022 		error = EINVAL;
3023 		goto bailout;
3024 	}
3025 
3026 	softc = periph->softc;
3027 
3028 	switch (bp->bio_zone.zone_cmd) {
3029 	case DISK_ZONE_OPEN:
3030 	case DISK_ZONE_CLOSE:
3031 	case DISK_ZONE_FINISH:
3032 	case DISK_ZONE_RWP: {
3033 		int zone_flags;
3034 		int zone_sa;
3035 		uint64_t lba;
3036 
3037 		zone_sa = da_zone_bio_to_scsi(bp->bio_zone.zone_cmd);
3038 		if (zone_sa == -1) {
3039 			xpt_print(periph->path, "Cannot translate zone "
3040 			    "cmd %#x to SCSI\n", bp->bio_zone.zone_cmd);
3041 			error = EINVAL;
3042 			goto bailout;
3043 		}
3044 
3045 		zone_flags = 0;
3046 		lba = bp->bio_zone.zone_params.rwp.id;
3047 
3048 		if (bp->bio_zone.zone_params.rwp.flags &
3049 		    DISK_ZONE_RWP_FLAG_ALL)
3050 			zone_flags |= ZBC_OUT_ALL;
3051 
3052 		if (softc->zone_interface != DA_ZONE_IF_ATA_PASS) {
3053 			scsi_zbc_out(&ccb->csio,
3054 				     /*retries*/ da_retry_count,
3055 				     /*cbfcnp*/ dadone,
3056 				     /*tag_action*/ MSG_SIMPLE_Q_TAG,
3057 				     /*service_action*/ zone_sa,
3058 				     /*zone_id*/ lba,
3059 				     /*zone_flags*/ zone_flags,
3060 				     /*data_ptr*/ NULL,
3061 				     /*dxfer_len*/ 0,
3062 				     /*sense_len*/ SSD_FULL_SIZE,
3063 				     /*timeout*/ da_default_timeout * 1000);
3064 		} else {
3065 			/*
3066 			 * Note that in this case, even though we can
3067 			 * technically use NCQ, we don't bother for several
3068 			 * reasons:
3069 			 * 1. It hasn't been tested on a SAT layer that
3070 			 *    supports it.  This is new as of SAT-4.
3071 			 * 2. Even when there is a SAT layer that supports
3072 			 *    it, that SAT layer will also probably support
3073 			 *    ZBC -> ZAC translation, since they are both
3074 			 *    in the SAT-4 spec.
3075 			 * 3. Translation will likely be preferable to ATA
3076 			 *    passthrough.  LSI / Avago at least single
3077 			 *    steps ATA passthrough commands in the HBA,
3078 			 *    regardless of protocol, so unless that
3079 			 *    changes, there is a performance penalty for
3080 			 *    doing ATA passthrough no matter whether
3081 			 *    you're using NCQ/FPDMA, DMA or PIO.
3082 			 * 4. It requires a 32-byte CDB, which at least at
3083 			 *    this point in CAM requires a CDB pointer, which
3084 			 *    would require us to allocate an additional bit
3085 			 *    of storage separate from the CCB.
3086 			 */
3087 			error = scsi_ata_zac_mgmt_out(&ccb->csio,
3088 			    /*retries*/ da_retry_count,
3089 			    /*cbfcnp*/ dadone,
3090 			    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3091 			    /*use_ncq*/ 0,
3092 			    /*zm_action*/ zone_sa,
3093 			    /*zone_id*/ lba,
3094 			    /*zone_flags*/ zone_flags,
3095 			    /*data_ptr*/ NULL,
3096 			    /*dxfer_len*/ 0,
3097 			    /*cdb_storage*/ NULL,
3098 			    /*cdb_storage_len*/ 0,
3099 			    /*sense_len*/ SSD_FULL_SIZE,
3100 			    /*timeout*/ da_default_timeout * 1000);
3101 			if (error != 0) {
3102 				error = EINVAL;
3103 				xpt_print(periph->path,
3104 				    "scsi_ata_zac_mgmt_out() returned an "
3105 				    "error!");
3106 				goto bailout;
3107 			}
3108 		}
3109 		*queue_ccb = 1;
3110 
3111 		break;
3112 	}
3113 	case DISK_ZONE_REPORT_ZONES: {
3114 		uint8_t *rz_ptr;
3115 		uint32_t num_entries, alloc_size;
3116 		struct disk_zone_report *rep;
3117 
3118 		rep = &bp->bio_zone.zone_params.report;
3119 
3120 		num_entries = rep->entries_allocated;
3121 		if (num_entries == 0) {
3122 			xpt_print(periph->path, "No entries allocated for "
3123 			    "Report Zones request\n");
3124 			error = EINVAL;
3125 			goto bailout;
3126 		}
3127 		alloc_size = sizeof(struct scsi_report_zones_hdr) +
3128 		    (sizeof(struct scsi_report_zones_desc) * num_entries);
3129 		alloc_size = min(alloc_size, softc->disk->d_maxsize);
3130 		rz_ptr = malloc(alloc_size, M_SCSIDA, M_NOWAIT | M_ZERO);
3131 		if (rz_ptr == NULL) {
3132 			xpt_print(periph->path, "Unable to allocate memory "
3133 			   "for Report Zones request\n");
3134 			error = ENOMEM;
3135 			goto bailout;
3136 		}
3137 
3138 		if (softc->zone_interface != DA_ZONE_IF_ATA_PASS) {
3139 			scsi_zbc_in(&ccb->csio,
3140 				    /*retries*/ da_retry_count,
3141 				    /*cbcfnp*/ dadone,
3142 				    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3143 				    /*service_action*/ ZBC_IN_SA_REPORT_ZONES,
3144 				    /*zone_start_lba*/ rep->starting_id,
3145 				    /*zone_options*/ rep->rep_options,
3146 				    /*data_ptr*/ rz_ptr,
3147 				    /*dxfer_len*/ alloc_size,
3148 				    /*sense_len*/ SSD_FULL_SIZE,
3149 				    /*timeout*/ da_default_timeout * 1000);
3150 		} else {
3151 			/*
3152 			 * Note that in this case, even though we can
3153 			 * technically use NCQ, we don't bother for several
3154 			 * reasons:
3155 			 * 1. It hasn't been tested on a SAT layer that
3156 			 *    supports it.  This is new as of SAT-4.
3157 			 * 2. Even when there is a SAT layer that supports
3158 			 *    it, that SAT layer will also probably support
3159 			 *    ZBC -> ZAC translation, since they are both
3160 			 *    in the SAT-4 spec.
3161 			 * 3. Translation will likely be preferable to ATA
3162 			 *    passthrough.  LSI / Avago at least single
3163 			 *    steps ATA passthrough commands in the HBA,
3164 			 *    regardless of protocol, so unless that
3165 			 *    changes, there is a performance penalty for
3166 			 *    doing ATA passthrough no matter whether
3167 			 *    you're using NCQ/FPDMA, DMA or PIO.
3168 			 * 4. It requires a 32-byte CDB, which at least at
3169 			 *    this point in CAM requires a CDB pointer, which
3170 			 *    would require us to allocate an additional bit
3171 			 *    of storage separate from the CCB.
3172 			 */
3173 			error = scsi_ata_zac_mgmt_in(&ccb->csio,
3174 			    /*retries*/ da_retry_count,
3175 			    /*cbcfnp*/ dadone,
3176 			    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3177 			    /*use_ncq*/ 0,
3178 			    /*zm_action*/ ATA_ZM_REPORT_ZONES,
3179 			    /*zone_id*/ rep->starting_id,
3180 			    /*zone_flags*/ rep->rep_options,
3181 			    /*data_ptr*/ rz_ptr,
3182 			    /*dxfer_len*/ alloc_size,
3183 			    /*cdb_storage*/ NULL,
3184 			    /*cdb_storage_len*/ 0,
3185 			    /*sense_len*/ SSD_FULL_SIZE,
3186 			    /*timeout*/ da_default_timeout * 1000);
3187 			if (error != 0) {
3188 				error = EINVAL;
3189 				xpt_print(periph->path,
3190 				    "scsi_ata_zac_mgmt_in() returned an "
3191 				    "error!");
3192 				goto bailout;
3193 			}
3194 		}
3195 
3196 		/*
3197 		 * For BIO_ZONE, this isn't normally needed.  However, it
3198 		 * is used by devstat_end_transaction_bio() to determine
3199 		 * how much data was transferred.
3200 		 */
3201 		/*
3202 		 * XXX KDM we have a problem.  But I'm not sure how to fix
3203 		 * it.  devstat uses bio_bcount - bio_resid to calculate
3204 		 * the amount of data transferred.   The GEOM disk code
3205 		 * uses bio_length - bio_resid to calculate the amount of
3206 		 * data in bio_completed.  We have different structure
3207 		 * sizes above and below the ada(4) driver.  So, if we
3208 		 * use the sizes above, the amount transferred won't be
3209 		 * quite accurate for devstat.  If we use different sizes
3210 		 * for bio_bcount and bio_length (above and below
3211 		 * respectively), then the residual needs to match one or
3212 		 * the other.  Everything is calculated after the bio
3213 		 * leaves the driver, so changing the values around isn't
3214 		 * really an option.  For now, just set the count to the
3215 		 * passed in length.  This means that the calculations
3216 		 * above (e.g. bio_completed) will be correct, but the
3217 		 * amount of data reported to devstat will be slightly
3218 		 * under or overstated.
3219 		 */
3220 		bp->bio_bcount = bp->bio_length;
3221 
3222 		*queue_ccb = 1;
3223 
3224 		break;
3225 	}
3226 	case DISK_ZONE_GET_PARAMS: {
3227 		struct disk_zone_disk_params *params;
3228 
3229 		params = &bp->bio_zone.zone_params.disk_params;
3230 		bzero(params, sizeof(*params));
3231 
3232 		switch (softc->zone_mode) {
3233 		case DA_ZONE_DRIVE_MANAGED:
3234 			params->zone_mode = DISK_ZONE_MODE_DRIVE_MANAGED;
3235 			break;
3236 		case DA_ZONE_HOST_AWARE:
3237 			params->zone_mode = DISK_ZONE_MODE_HOST_AWARE;
3238 			break;
3239 		case DA_ZONE_HOST_MANAGED:
3240 			params->zone_mode = DISK_ZONE_MODE_HOST_MANAGED;
3241 			break;
3242 		default:
3243 		case DA_ZONE_NONE:
3244 			params->zone_mode = DISK_ZONE_MODE_NONE;
3245 			break;
3246 		}
3247 
3248 		if (softc->zone_flags & DA_ZONE_FLAG_URSWRZ)
3249 			params->flags |= DISK_ZONE_DISK_URSWRZ;
3250 
3251 		if (softc->zone_flags & DA_ZONE_FLAG_OPT_SEQ_SET) {
3252 			params->optimal_seq_zones = softc->optimal_seq_zones;
3253 			params->flags |= DISK_ZONE_OPT_SEQ_SET;
3254 		}
3255 
3256 		if (softc->zone_flags & DA_ZONE_FLAG_OPT_NONSEQ_SET) {
3257 			params->optimal_nonseq_zones =
3258 			    softc->optimal_nonseq_zones;
3259 			params->flags |= DISK_ZONE_OPT_NONSEQ_SET;
3260 		}
3261 
3262 		if (softc->zone_flags & DA_ZONE_FLAG_MAX_SEQ_SET) {
3263 			params->max_seq_zones = softc->max_seq_zones;
3264 			params->flags |= DISK_ZONE_MAX_SEQ_SET;
3265 		}
3266 		if (softc->zone_flags & DA_ZONE_FLAG_RZ_SUP)
3267 			params->flags |= DISK_ZONE_RZ_SUP;
3268 
3269 		if (softc->zone_flags & DA_ZONE_FLAG_OPEN_SUP)
3270 			params->flags |= DISK_ZONE_OPEN_SUP;
3271 
3272 		if (softc->zone_flags & DA_ZONE_FLAG_CLOSE_SUP)
3273 			params->flags |= DISK_ZONE_CLOSE_SUP;
3274 
3275 		if (softc->zone_flags & DA_ZONE_FLAG_FINISH_SUP)
3276 			params->flags |= DISK_ZONE_FINISH_SUP;
3277 
3278 		if (softc->zone_flags & DA_ZONE_FLAG_RWP_SUP)
3279 			params->flags |= DISK_ZONE_RWP_SUP;
3280 		break;
3281 	}
3282 	default:
3283 		break;
3284 	}
3285 bailout:
3286 	return (error);
3287 }
3288 
3289 static void
3290 dastart(struct cam_periph *periph, union ccb *start_ccb)
3291 {
3292 	struct da_softc *softc;
3293 
3294 	cam_periph_assert(periph, MA_OWNED);
3295 	softc = (struct da_softc *)periph->softc;
3296 
3297 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n"));
3298 
3299 skipstate:
3300 	switch (softc->state) {
3301 	case DA_STATE_NORMAL:
3302 	{
3303 		struct bio *bp;
3304 		uint8_t tag_code;
3305 
3306 more:
3307 		bp = cam_iosched_next_bio(softc->cam_iosched);
3308 		if (bp == NULL) {
3309 			if (cam_iosched_has_work_flags(softc->cam_iosched,
3310 			    DA_WORK_TUR)) {
3311 				softc->flags |= DA_FLAG_TUR_PENDING;
3312 				cam_iosched_clr_work_flags(softc->cam_iosched,
3313 				    DA_WORK_TUR);
3314 				scsi_test_unit_ready(&start_ccb->csio,
3315 				     /*retries*/ da_retry_count,
3316 				     dadone_tur,
3317 				     MSG_SIMPLE_Q_TAG,
3318 				     SSD_FULL_SIZE,
3319 				     da_default_timeout * 1000);
3320 				start_ccb->ccb_h.ccb_bp = NULL;
3321 				start_ccb->ccb_h.ccb_state = DA_CCB_TUR;
3322 				xpt_action(start_ccb);
3323 			} else
3324 				xpt_release_ccb(start_ccb);
3325 			break;
3326 		}
3327 
3328 		if (bp->bio_cmd == BIO_DELETE) {
3329 			if (softc->delete_func != NULL) {
3330 				softc->delete_func(periph, start_ccb, bp);
3331 				goto out;
3332 			} else {
3333 				/*
3334 				 * Not sure this is possible, but failsafe by
3335 				 * lying and saying "sure, done."
3336 				 */
3337 				biofinish(bp, NULL, 0);
3338 				goto more;
3339 			}
3340 		}
3341 
3342 		if (cam_iosched_has_work_flags(softc->cam_iosched,
3343 		    DA_WORK_TUR)) {
3344 			cam_iosched_clr_work_flags(softc->cam_iosched,
3345 			    DA_WORK_TUR);
3346 			da_periph_release_locked(periph, DA_REF_TUR);
3347 		}
3348 
3349 		if ((bp->bio_flags & BIO_ORDERED) != 0 ||
3350 		    (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
3351 			softc->flags &= ~DA_FLAG_NEED_OTAG;
3352 			softc->flags |= DA_FLAG_WAS_OTAG;
3353 			tag_code = MSG_ORDERED_Q_TAG;
3354 		} else {
3355 			tag_code = MSG_SIMPLE_Q_TAG;
3356 		}
3357 
3358 		switch (bp->bio_cmd) {
3359 		case BIO_WRITE:
3360 		case BIO_READ:
3361 		{
3362 			void *data_ptr;
3363 			int rw_op;
3364 
3365 			biotrack(bp, __func__);
3366 
3367 			if (bp->bio_cmd == BIO_WRITE) {
3368 				softc->flags |= DA_FLAG_DIRTY;
3369 				rw_op = SCSI_RW_WRITE;
3370 			} else {
3371 				rw_op = SCSI_RW_READ;
3372 			}
3373 
3374 			data_ptr = bp->bio_data;
3375 			if ((bp->bio_flags & (BIO_UNMAPPED|BIO_VLIST)) != 0) {
3376 				rw_op |= SCSI_RW_BIO;
3377 				data_ptr = bp;
3378 			}
3379 
3380 			scsi_read_write(&start_ccb->csio,
3381 					/*retries*/da_retry_count,
3382 					/*cbfcnp*/dadone,
3383 					/*tag_action*/tag_code,
3384 					rw_op,
3385 					/*byte2*/0,
3386 					softc->minimum_cmd_size,
3387 					/*lba*/bp->bio_pblkno,
3388 					/*block_count*/bp->bio_bcount /
3389 					softc->params.secsize,
3390 					data_ptr,
3391 					/*dxfer_len*/ bp->bio_bcount,
3392 					/*sense_len*/SSD_FULL_SIZE,
3393 					da_default_timeout * 1000);
3394 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
3395 			start_ccb->csio.bio = bp;
3396 #endif
3397 			break;
3398 		}
3399 		case BIO_FLUSH:
3400 			/*
3401 			 * If we don't support sync cache, or the disk
3402 			 * isn't dirty, FLUSH is a no-op.  Use the
3403 			 * allocated CCB for the next bio if one is
3404 			 * available.
3405 			 */
3406 			if ((softc->quirks & DA_Q_NO_SYNC_CACHE) != 0 ||
3407 			    (softc->flags & DA_FLAG_DIRTY) == 0) {
3408 				biodone(bp);
3409 				goto skipstate;
3410 			}
3411 
3412 			/*
3413 			 * BIO_FLUSH doesn't currently communicate
3414 			 * range data, so we synchronize the cache
3415 			 * over the whole disk.
3416 			 */
3417 			scsi_synchronize_cache(&start_ccb->csio,
3418 					       /*retries*/1,
3419 					       /*cbfcnp*/dadone,
3420 					       /*tag_action*/tag_code,
3421 					       /*begin_lba*/0,
3422 					       /*lb_count*/0,
3423 					       SSD_FULL_SIZE,
3424 					       da_default_timeout*1000);
3425 			/*
3426 			 * Clear the dirty flag before sending the command.
3427 			 * Either this sync cache will be successful, or it
3428 			 * will fail after a retry.  If it fails, it is
3429 			 * unlikely to be successful if retried later, so
3430 			 * we'll save ourselves time by just marking the
3431 			 * device clean.
3432 			 */
3433 			softc->flags &= ~DA_FLAG_DIRTY;
3434 			break;
3435 		case BIO_ZONE: {
3436 			int error, queue_ccb;
3437 
3438 			queue_ccb = 0;
3439 
3440 			error = da_zone_cmd(periph, start_ccb, bp,&queue_ccb);
3441 			if ((error != 0)
3442 			 || (queue_ccb == 0)) {
3443 				biofinish(bp, NULL, error);
3444 				xpt_release_ccb(start_ccb);
3445 				return;
3446 			}
3447 			break;
3448 		}
3449 		default:
3450 			biofinish(bp, NULL, EOPNOTSUPP);
3451 			xpt_release_ccb(start_ccb);
3452 			return;
3453 		}
3454 		start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
3455 		start_ccb->ccb_h.flags |= CAM_UNLOCKED;
3456 		start_ccb->ccb_h.softtimeout = sbttotv(da_default_softtimeout);
3457 
3458 out:
3459 		LIST_INSERT_HEAD(&softc->pending_ccbs,
3460 				 &start_ccb->ccb_h, periph_links.le);
3461 
3462 		/* We expect a unit attention from this device */
3463 		if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
3464 			start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
3465 			softc->flags &= ~DA_FLAG_RETRY_UA;
3466 		}
3467 
3468 		start_ccb->ccb_h.ccb_bp = bp;
3469 		softc->refcount++;
3470 		cam_periph_unlock(periph);
3471 		xpt_action(start_ccb);
3472 		cam_periph_lock(periph);
3473 
3474 		/* May have more work to do, so ensure we stay scheduled */
3475 		daschedule(periph);
3476 		break;
3477 	}
3478 	case DA_STATE_PROBE_WP:
3479 	{
3480 		void  *mode_buf;
3481 		int    mode_buf_len;
3482 
3483 		if (da_disable_wp_detection) {
3484 			if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
3485 				softc->state = DA_STATE_PROBE_RC16;
3486 			else
3487 				softc->state = DA_STATE_PROBE_RC;
3488 			goto skipstate;
3489 		}
3490 		mode_buf_len = 192;
3491 		mode_buf = malloc(mode_buf_len, M_SCSIDA, M_NOWAIT);
3492 		if (mode_buf == NULL) {
3493 			xpt_print(periph->path, "Unable to send mode sense - "
3494 			    "malloc failure\n");
3495 			if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
3496 				softc->state = DA_STATE_PROBE_RC16;
3497 			else
3498 				softc->state = DA_STATE_PROBE_RC;
3499 			goto skipstate;
3500 		}
3501 		scsi_mode_sense_len(&start_ccb->csio,
3502 				    /*retries*/ da_retry_count,
3503 				    /*cbfcnp*/ dadone_probewp,
3504 				    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3505 				    /*dbd*/ FALSE,
3506 				    /*pc*/ SMS_PAGE_CTRL_CURRENT,
3507 				    /*page*/ SMS_ALL_PAGES_PAGE,
3508 				    /*param_buf*/ mode_buf,
3509 				    /*param_len*/ mode_buf_len,
3510 				    /*minimum_cmd_size*/ softc->minimum_cmd_size,
3511 				    /*sense_len*/ SSD_FULL_SIZE,
3512 				    /*timeout*/ da_default_timeout * 1000);
3513 		start_ccb->ccb_h.ccb_bp = NULL;
3514 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_WP;
3515 		xpt_action(start_ccb);
3516 		break;
3517 	}
3518 	case DA_STATE_PROBE_RC:
3519 	{
3520 		struct scsi_read_capacity_data *rcap;
3521 
3522 		rcap = (struct scsi_read_capacity_data *)
3523 		    malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO);
3524 		if (rcap == NULL) {
3525 			printf("dastart: Couldn't malloc read_capacity data\n");
3526 			/* da_free_periph??? */
3527 			break;
3528 		}
3529 		scsi_read_capacity(&start_ccb->csio,
3530 				   /*retries*/da_retry_count,
3531 				   dadone_proberc,
3532 				   MSG_SIMPLE_Q_TAG,
3533 				   rcap,
3534 				   SSD_FULL_SIZE,
3535 				   /*timeout*/5000);
3536 		start_ccb->ccb_h.ccb_bp = NULL;
3537 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC;
3538 		xpt_action(start_ccb);
3539 		break;
3540 	}
3541 	case DA_STATE_PROBE_RC16:
3542 	{
3543 		struct scsi_read_capacity_data_long *rcaplong;
3544 
3545 		rcaplong = (struct scsi_read_capacity_data_long *)
3546 			malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO);
3547 		if (rcaplong == NULL) {
3548 			printf("dastart: Couldn't malloc read_capacity data\n");
3549 			/* da_free_periph??? */
3550 			break;
3551 		}
3552 		scsi_read_capacity_16(&start_ccb->csio,
3553 				      /*retries*/ da_retry_count,
3554 				      /*cbfcnp*/ dadone_proberc,
3555 				      /*tag_action*/ MSG_SIMPLE_Q_TAG,
3556 				      /*lba*/ 0,
3557 				      /*reladr*/ 0,
3558 				      /*pmi*/ 0,
3559 				      /*rcap_buf*/ (uint8_t *)rcaplong,
3560 				      /*rcap_buf_len*/ sizeof(*rcaplong),
3561 				      /*sense_len*/ SSD_FULL_SIZE,
3562 				      /*timeout*/ da_default_timeout * 1000);
3563 		start_ccb->ccb_h.ccb_bp = NULL;
3564 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16;
3565 		xpt_action(start_ccb);
3566 		break;
3567 	}
3568 	case DA_STATE_PROBE_LBP:
3569 	{
3570 		struct scsi_vpd_logical_block_prov *lbp;
3571 
3572 		if (!scsi_vpd_supported_page(periph, SVPD_LBP)) {
3573 			/*
3574 			 * If we get here we don't support any SBC-3 delete
3575 			 * methods with UNMAP as the Logical Block Provisioning
3576 			 * VPD page support is required for devices which
3577 			 * support it according to T10/1799-D Revision 31
3578 			 * however older revisions of the spec don't mandate
3579 			 * this so we currently don't remove these methods
3580 			 * from the available set.
3581 			 */
3582 			softc->state = DA_STATE_PROBE_BLK_LIMITS;
3583 			goto skipstate;
3584 		}
3585 
3586 		lbp = (struct scsi_vpd_logical_block_prov *)
3587 			malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO);
3588 
3589 		if (lbp == NULL) {
3590 			printf("dastart: Couldn't malloc lbp data\n");
3591 			/* da_free_periph??? */
3592 			break;
3593 		}
3594 
3595 		scsi_inquiry(&start_ccb->csio,
3596 			     /*retries*/da_retry_count,
3597 			     /*cbfcnp*/dadone_probelbp,
3598 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3599 			     /*inq_buf*/(u_int8_t *)lbp,
3600 			     /*inq_len*/sizeof(*lbp),
3601 			     /*evpd*/TRUE,
3602 			     /*page_code*/SVPD_LBP,
3603 			     /*sense_len*/SSD_MIN_SIZE,
3604 			     /*timeout*/da_default_timeout * 1000);
3605 		start_ccb->ccb_h.ccb_bp = NULL;
3606 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP;
3607 		xpt_action(start_ccb);
3608 		break;
3609 	}
3610 	case DA_STATE_PROBE_BLK_LIMITS:
3611 	{
3612 		struct scsi_vpd_block_limits *block_limits;
3613 
3614 		if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) {
3615 			/* Not supported skip to next probe */
3616 			softc->state = DA_STATE_PROBE_BDC;
3617 			goto skipstate;
3618 		}
3619 
3620 		block_limits = (struct scsi_vpd_block_limits *)
3621 			malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO);
3622 
3623 		if (block_limits == NULL) {
3624 			printf("dastart: Couldn't malloc block_limits data\n");
3625 			/* da_free_periph??? */
3626 			break;
3627 		}
3628 
3629 		scsi_inquiry(&start_ccb->csio,
3630 			     /*retries*/da_retry_count,
3631 			     /*cbfcnp*/dadone_probeblklimits,
3632 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3633 			     /*inq_buf*/(u_int8_t *)block_limits,
3634 			     /*inq_len*/sizeof(*block_limits),
3635 			     /*evpd*/TRUE,
3636 			     /*page_code*/SVPD_BLOCK_LIMITS,
3637 			     /*sense_len*/SSD_MIN_SIZE,
3638 			     /*timeout*/da_default_timeout * 1000);
3639 		start_ccb->ccb_h.ccb_bp = NULL;
3640 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS;
3641 		xpt_action(start_ccb);
3642 		break;
3643 	}
3644 	case DA_STATE_PROBE_BDC:
3645 	{
3646 		struct scsi_vpd_block_characteristics *bdc;
3647 
3648 		if (!scsi_vpd_supported_page(periph, SVPD_BDC)) {
3649 			softc->state = DA_STATE_PROBE_ATA;
3650 			goto skipstate;
3651 		}
3652 
3653 		bdc = (struct scsi_vpd_block_characteristics *)
3654 			malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
3655 
3656 		if (bdc == NULL) {
3657 			printf("dastart: Couldn't malloc bdc data\n");
3658 			/* da_free_periph??? */
3659 			break;
3660 		}
3661 
3662 		scsi_inquiry(&start_ccb->csio,
3663 			     /*retries*/da_retry_count,
3664 			     /*cbfcnp*/dadone_probebdc,
3665 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3666 			     /*inq_buf*/(u_int8_t *)bdc,
3667 			     /*inq_len*/sizeof(*bdc),
3668 			     /*evpd*/TRUE,
3669 			     /*page_code*/SVPD_BDC,
3670 			     /*sense_len*/SSD_MIN_SIZE,
3671 			     /*timeout*/da_default_timeout * 1000);
3672 		start_ccb->ccb_h.ccb_bp = NULL;
3673 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC;
3674 		xpt_action(start_ccb);
3675 		break;
3676 	}
3677 	case DA_STATE_PROBE_ATA:
3678 	{
3679 		struct ata_params *ata_params;
3680 
3681 		if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
3682 			if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
3683 			 || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
3684 				/*
3685 				 * Note that if the ATA VPD page isn't
3686 				 * supported, we aren't talking to an ATA
3687 				 * device anyway.  Support for that VPD
3688 				 * page is mandatory for SCSI to ATA (SAT)
3689 				 * translation layers.
3690 				 */
3691 				softc->state = DA_STATE_PROBE_ZONE;
3692 				goto skipstate;
3693 			}
3694 			daprobedone(periph, start_ccb);
3695 			break;
3696 		}
3697 
3698 		ata_params = &periph->path->device->ident_data;
3699 
3700 		scsi_ata_identify(&start_ccb->csio,
3701 				  /*retries*/da_retry_count,
3702 				  /*cbfcnp*/dadone_probeata,
3703                                   /*tag_action*/MSG_SIMPLE_Q_TAG,
3704 				  /*data_ptr*/(u_int8_t *)ata_params,
3705 				  /*dxfer_len*/sizeof(*ata_params),
3706 				  /*sense_len*/SSD_FULL_SIZE,
3707 				  /*timeout*/da_default_timeout * 1000);
3708 		start_ccb->ccb_h.ccb_bp = NULL;
3709 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA;
3710 		xpt_action(start_ccb);
3711 		break;
3712 	}
3713 	case DA_STATE_PROBE_ATA_LOGDIR:
3714 	{
3715 		struct ata_gp_log_dir *log_dir;
3716 		int retval;
3717 
3718 		retval = 0;
3719 
3720 		if ((softc->flags & DA_FLAG_CAN_ATA_LOG) == 0) {
3721 			/*
3722 			 * If we don't have log support, not much point in
3723 			 * trying to probe zone support.
3724 			 */
3725 			daprobedone(periph, start_ccb);
3726 			break;
3727 		}
3728 
3729 		/*
3730 		 * If we have an ATA device (the SCSI ATA Information VPD
3731 		 * page should be present and the ATA identify should have
3732 		 * succeeded) and it supports logs, ask for the log directory.
3733 		 */
3734 
3735 		log_dir = malloc(sizeof(*log_dir), M_SCSIDA, M_NOWAIT|M_ZERO);
3736 		if (log_dir == NULL) {
3737 			xpt_print(periph->path, "Couldn't malloc log_dir "
3738 			    "data\n");
3739 			daprobedone(periph, start_ccb);
3740 			break;
3741 		}
3742 
3743 		retval = scsi_ata_read_log(&start_ccb->csio,
3744 		    /*retries*/ da_retry_count,
3745 		    /*cbfcnp*/ dadone_probeatalogdir,
3746 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3747 		    /*log_address*/ ATA_LOG_DIRECTORY,
3748 		    /*page_number*/ 0,
3749 		    /*block_count*/ 1,
3750 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3751 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3752 		    /*data_ptr*/ (uint8_t *)log_dir,
3753 		    /*dxfer_len*/ sizeof(*log_dir),
3754 		    /*sense_len*/ SSD_FULL_SIZE,
3755 		    /*timeout*/ da_default_timeout * 1000);
3756 
3757 		if (retval != 0) {
3758 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3759 			free(log_dir, M_SCSIDA);
3760 			daprobedone(periph, start_ccb);
3761 			break;
3762 		}
3763 		start_ccb->ccb_h.ccb_bp = NULL;
3764 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_LOGDIR;
3765 		xpt_action(start_ccb);
3766 		break;
3767 	}
3768 	case DA_STATE_PROBE_ATA_IDDIR:
3769 	{
3770 		struct ata_identify_log_pages *id_dir;
3771 		int retval;
3772 
3773 		retval = 0;
3774 
3775 		/*
3776 		 * Check here to see whether the Identify Device log is
3777 		 * supported in the directory of logs.  If so, continue
3778 		 * with requesting the log of identify device pages.
3779 		 */
3780 		if ((softc->flags & DA_FLAG_CAN_ATA_IDLOG) == 0) {
3781 			daprobedone(periph, start_ccb);
3782 			break;
3783 		}
3784 
3785 		id_dir = malloc(sizeof(*id_dir), M_SCSIDA, M_NOWAIT | M_ZERO);
3786 		if (id_dir == NULL) {
3787 			xpt_print(periph->path, "Couldn't malloc id_dir "
3788 			    "data\n");
3789 			daprobedone(periph, start_ccb);
3790 			break;
3791 		}
3792 
3793 		retval = scsi_ata_read_log(&start_ccb->csio,
3794 		    /*retries*/ da_retry_count,
3795 		    /*cbfcnp*/ dadone_probeataiddir,
3796 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3797 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3798 		    /*page_number*/ ATA_IDL_PAGE_LIST,
3799 		    /*block_count*/ 1,
3800 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3801 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3802 		    /*data_ptr*/ (uint8_t *)id_dir,
3803 		    /*dxfer_len*/ sizeof(*id_dir),
3804 		    /*sense_len*/ SSD_FULL_SIZE,
3805 		    /*timeout*/ da_default_timeout * 1000);
3806 
3807 		if (retval != 0) {
3808 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3809 			free(id_dir, M_SCSIDA);
3810 			daprobedone(periph, start_ccb);
3811 			break;
3812 		}
3813 		start_ccb->ccb_h.ccb_bp = NULL;
3814 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_IDDIR;
3815 		xpt_action(start_ccb);
3816 		break;
3817 	}
3818 	case DA_STATE_PROBE_ATA_SUP:
3819 	{
3820 		struct ata_identify_log_sup_cap *sup_cap;
3821 		int retval;
3822 
3823 		retval = 0;
3824 
3825 		/*
3826 		 * Check here to see whether the Supported Capabilities log
3827 		 * is in the list of Identify Device logs.
3828 		 */
3829 		if ((softc->flags & DA_FLAG_CAN_ATA_SUPCAP) == 0) {
3830 			daprobedone(periph, start_ccb);
3831 			break;
3832 		}
3833 
3834 		sup_cap = malloc(sizeof(*sup_cap), M_SCSIDA, M_NOWAIT|M_ZERO);
3835 		if (sup_cap == NULL) {
3836 			xpt_print(periph->path, "Couldn't malloc sup_cap "
3837 			    "data\n");
3838 			daprobedone(periph, start_ccb);
3839 			break;
3840 		}
3841 
3842 		retval = scsi_ata_read_log(&start_ccb->csio,
3843 		    /*retries*/ da_retry_count,
3844 		    /*cbfcnp*/ dadone_probeatasup,
3845 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3846 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3847 		    /*page_number*/ ATA_IDL_SUP_CAP,
3848 		    /*block_count*/ 1,
3849 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3850 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3851 		    /*data_ptr*/ (uint8_t *)sup_cap,
3852 		    /*dxfer_len*/ sizeof(*sup_cap),
3853 		    /*sense_len*/ SSD_FULL_SIZE,
3854 		    /*timeout*/ da_default_timeout * 1000);
3855 
3856 		if (retval != 0) {
3857 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3858 			free(sup_cap, M_SCSIDA);
3859 			daprobedone(periph, start_ccb);
3860 			break;
3861 
3862 		}
3863 
3864 		start_ccb->ccb_h.ccb_bp = NULL;
3865 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_SUP;
3866 		xpt_action(start_ccb);
3867 		break;
3868 	}
3869 	case DA_STATE_PROBE_ATA_ZONE:
3870 	{
3871 		struct ata_zoned_info_log *ata_zone;
3872 		int retval;
3873 
3874 		retval = 0;
3875 
3876 		/*
3877 		 * Check here to see whether the zoned device information
3878 		 * page is supported.  If so, continue on to request it.
3879 		 * If not, skip to DA_STATE_PROBE_LOG or done.
3880 		 */
3881 		if ((softc->flags & DA_FLAG_CAN_ATA_ZONE) == 0) {
3882 			daprobedone(periph, start_ccb);
3883 			break;
3884 		}
3885 		ata_zone = malloc(sizeof(*ata_zone), M_SCSIDA,
3886 				  M_NOWAIT|M_ZERO);
3887 		if (ata_zone == NULL) {
3888 			xpt_print(periph->path, "Couldn't malloc ata_zone "
3889 			    "data\n");
3890 			daprobedone(periph, start_ccb);
3891 			break;
3892 		}
3893 
3894 		retval = scsi_ata_read_log(&start_ccb->csio,
3895 		    /*retries*/ da_retry_count,
3896 		    /*cbfcnp*/ dadone_probeatazone,
3897 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3898 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3899 		    /*page_number*/ ATA_IDL_ZDI,
3900 		    /*block_count*/ 1,
3901 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3902 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3903 		    /*data_ptr*/ (uint8_t *)ata_zone,
3904 		    /*dxfer_len*/ sizeof(*ata_zone),
3905 		    /*sense_len*/ SSD_FULL_SIZE,
3906 		    /*timeout*/ da_default_timeout * 1000);
3907 
3908 		if (retval != 0) {
3909 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3910 			free(ata_zone, M_SCSIDA);
3911 			daprobedone(periph, start_ccb);
3912 			break;
3913 		}
3914 		start_ccb->ccb_h.ccb_bp = NULL;
3915 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_ZONE;
3916 		xpt_action(start_ccb);
3917 
3918 		break;
3919 	}
3920 	case DA_STATE_PROBE_ZONE:
3921 	{
3922 		struct scsi_vpd_zoned_bdc *bdc;
3923 
3924 		/*
3925 		 * Note that this page will be supported for SCSI protocol
3926 		 * devices that support ZBC (SMR devices), as well as ATA
3927 		 * protocol devices that are behind a SAT (SCSI to ATA
3928 		 * Translation) layer that supports converting ZBC commands
3929 		 * to their ZAC equivalents.
3930 		 */
3931 		if (!scsi_vpd_supported_page(periph, SVPD_ZONED_BDC)) {
3932 			daprobedone(periph, start_ccb);
3933 			break;
3934 		}
3935 		bdc = (struct scsi_vpd_zoned_bdc *)
3936 			malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
3937 
3938 		if (bdc == NULL) {
3939 			xpt_release_ccb(start_ccb);
3940 			xpt_print(periph->path, "Couldn't malloc zone VPD "
3941 			    "data\n");
3942 			break;
3943 		}
3944 		scsi_inquiry(&start_ccb->csio,
3945 			     /*retries*/da_retry_count,
3946 			     /*cbfcnp*/dadone_probezone,
3947 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3948 			     /*inq_buf*/(u_int8_t *)bdc,
3949 			     /*inq_len*/sizeof(*bdc),
3950 			     /*evpd*/TRUE,
3951 			     /*page_code*/SVPD_ZONED_BDC,
3952 			     /*sense_len*/SSD_FULL_SIZE,
3953 			     /*timeout*/da_default_timeout * 1000);
3954 		start_ccb->ccb_h.ccb_bp = NULL;
3955 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ZONE;
3956 		xpt_action(start_ccb);
3957 		break;
3958 	}
3959 	}
3960 }
3961 
3962 /*
3963  * In each of the methods below, while its the caller's
3964  * responsibility to ensure the request will fit into a
3965  * single device request, we might have changed the delete
3966  * method due to the device incorrectly advertising either
3967  * its supported methods or limits.
3968  *
3969  * To prevent this causing further issues we validate the
3970  * against the methods limits, and warn which would
3971  * otherwise be unnecessary.
3972  */
3973 static void
3974 da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
3975 {
3976 	struct da_softc *softc = (struct da_softc *)periph->softc;
3977 	struct bio *bp1;
3978 	uint8_t *buf = softc->unmap_buf;
3979 	struct scsi_unmap_desc *d = (void *)&buf[UNMAP_HEAD_SIZE];
3980 	uint64_t lba, lastlba = (uint64_t)-1;
3981 	uint64_t totalcount = 0;
3982 	uint64_t count;
3983 	uint32_t c, lastcount = 0, ranges = 0;
3984 
3985 	/*
3986 	 * Currently this doesn't take the UNMAP
3987 	 * Granularity and Granularity Alignment
3988 	 * fields into account.
3989 	 *
3990 	 * This could result in both unoptimal unmap
3991 	 * requests as as well as UNMAP calls unmapping
3992 	 * fewer LBA's than requested.
3993 	 */
3994 
3995 	bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
3996 	bp1 = bp;
3997 	do {
3998 		/*
3999 		 * Note: ada and da are different in how they store the
4000 		 * pending bp's in a trim. ada stores all of them in the
4001 		 * trim_req.bps. da stores all but the first one in the
4002 		 * delete_run_queue. ada then completes all the bps in
4003 		 * its adadone() loop. da completes all the bps in the
4004 		 * delete_run_queue in dadone, and relies on the biodone
4005 		 * after to complete. This should be reconciled since there's
4006 		 * no real reason to do it differently. XXX
4007 		 */
4008 		if (bp1 != bp)
4009 			bioq_insert_tail(&softc->delete_run_queue, bp1);
4010 		lba = bp1->bio_pblkno;
4011 		count = bp1->bio_bcount / softc->params.secsize;
4012 
4013 		/* Try to extend the previous range. */
4014 		if (lba == lastlba) {
4015 			c = omin(count, UNMAP_RANGE_MAX - lastcount);
4016 			lastlba += c;
4017 			lastcount += c;
4018 			scsi_ulto4b(lastcount, d[ranges - 1].length);
4019 			count -= c;
4020 			lba += c;
4021 			totalcount += c;
4022 		} else if ((softc->quirks & DA_Q_STRICT_UNMAP) &&
4023 		    softc->unmap_gran != 0) {
4024 			/* Align length of the previous range. */
4025 			if ((c = lastcount % softc->unmap_gran) != 0) {
4026 				if (lastcount <= c) {
4027 					totalcount -= lastcount;
4028 					lastlba = (uint64_t)-1;
4029 					lastcount = 0;
4030 					ranges--;
4031 				} else {
4032 					totalcount -= c;
4033 					lastlba -= c;
4034 					lastcount -= c;
4035 					scsi_ulto4b(lastcount,
4036 					    d[ranges - 1].length);
4037 				}
4038 			}
4039 			/* Align beginning of the new range. */
4040 			c = (lba - softc->unmap_gran_align) % softc->unmap_gran;
4041 			if (c != 0) {
4042 				c = softc->unmap_gran - c;
4043 				if (count <= c) {
4044 					count = 0;
4045 				} else {
4046 					lba += c;
4047 					count -= c;
4048 				}
4049 			}
4050 		}
4051 
4052 		while (count > 0) {
4053 			c = omin(count, UNMAP_RANGE_MAX);
4054 			if (totalcount + c > softc->unmap_max_lba ||
4055 			    ranges >= softc->unmap_max_ranges) {
4056 				xpt_print(periph->path,
4057 				    "%s issuing short delete %ld > %ld"
4058 				    "|| %d >= %d",
4059 				    da_delete_method_desc[softc->delete_method],
4060 				    totalcount + c, softc->unmap_max_lba,
4061 				    ranges, softc->unmap_max_ranges);
4062 				break;
4063 			}
4064 			scsi_u64to8b(lba, d[ranges].lba);
4065 			scsi_ulto4b(c, d[ranges].length);
4066 			lba += c;
4067 			totalcount += c;
4068 			ranges++;
4069 			count -= c;
4070 			lastlba = lba;
4071 			lastcount = c;
4072 		}
4073 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
4074 		if (bp1 == NULL)
4075 			break;
4076 		if (ranges >= softc->unmap_max_ranges ||
4077 		    totalcount + bp1->bio_bcount /
4078 		    softc->params.secsize > softc->unmap_max_lba) {
4079 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
4080 			break;
4081 		}
4082 	} while (1);
4083 
4084 	/* Align length of the last range. */
4085 	if ((softc->quirks & DA_Q_STRICT_UNMAP) && softc->unmap_gran != 0 &&
4086 	    (c = lastcount % softc->unmap_gran) != 0) {
4087 		if (lastcount <= c)
4088 			ranges--;
4089 		else
4090 			scsi_ulto4b(lastcount - c, d[ranges - 1].length);
4091 	}
4092 
4093 	scsi_ulto2b(ranges * 16 + 6, &buf[0]);
4094 	scsi_ulto2b(ranges * 16, &buf[2]);
4095 
4096 	scsi_unmap(&ccb->csio,
4097 		   /*retries*/da_retry_count,
4098 		   /*cbfcnp*/dadone,
4099 		   /*tag_action*/MSG_SIMPLE_Q_TAG,
4100 		   /*byte2*/0,
4101 		   /*data_ptr*/ buf,
4102 		   /*dxfer_len*/ ranges * 16 + 8,
4103 		   /*sense_len*/SSD_FULL_SIZE,
4104 		   da_default_timeout * 1000);
4105 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4106 	ccb->ccb_h.flags |= CAM_UNLOCKED;
4107 	softc->trim_count++;
4108 	softc->trim_ranges += ranges;
4109 	softc->trim_lbas += totalcount;
4110 	cam_iosched_submit_trim(softc->cam_iosched);
4111 }
4112 
4113 static void
4114 da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
4115 {
4116 	struct da_softc *softc = (struct da_softc *)periph->softc;
4117 	struct bio *bp1;
4118 	uint8_t *buf = softc->unmap_buf;
4119 	uint64_t lastlba = (uint64_t)-1;
4120 	uint64_t count;
4121 	uint64_t lba;
4122 	uint32_t lastcount = 0, c, requestcount;
4123 	int ranges = 0, off, block_count;
4124 
4125 	bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
4126 	bp1 = bp;
4127 	do {
4128 		if (bp1 != bp)//XXX imp XXX
4129 			bioq_insert_tail(&softc->delete_run_queue, bp1);
4130 		lba = bp1->bio_pblkno;
4131 		count = bp1->bio_bcount / softc->params.secsize;
4132 		requestcount = count;
4133 
4134 		/* Try to extend the previous range. */
4135 		if (lba == lastlba) {
4136 			c = omin(count, ATA_DSM_RANGE_MAX - lastcount);
4137 			lastcount += c;
4138 			off = (ranges - 1) * 8;
4139 			buf[off + 6] = lastcount & 0xff;
4140 			buf[off + 7] = (lastcount >> 8) & 0xff;
4141 			count -= c;
4142 			lba += c;
4143 		}
4144 
4145 		while (count > 0) {
4146 			c = omin(count, ATA_DSM_RANGE_MAX);
4147 			off = ranges * 8;
4148 
4149 			buf[off + 0] = lba & 0xff;
4150 			buf[off + 1] = (lba >> 8) & 0xff;
4151 			buf[off + 2] = (lba >> 16) & 0xff;
4152 			buf[off + 3] = (lba >> 24) & 0xff;
4153 			buf[off + 4] = (lba >> 32) & 0xff;
4154 			buf[off + 5] = (lba >> 40) & 0xff;
4155 			buf[off + 6] = c & 0xff;
4156 			buf[off + 7] = (c >> 8) & 0xff;
4157 			lba += c;
4158 			ranges++;
4159 			count -= c;
4160 			lastcount = c;
4161 			if (count != 0 && ranges == softc->trim_max_ranges) {
4162 				xpt_print(periph->path,
4163 				    "%s issuing short delete %ld > %ld\n",
4164 				    da_delete_method_desc[softc->delete_method],
4165 				    requestcount,
4166 				    (softc->trim_max_ranges - ranges) *
4167 				    ATA_DSM_RANGE_MAX);
4168 				break;
4169 			}
4170 		}
4171 		lastlba = lba;
4172 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
4173 		if (bp1 == NULL)
4174 			break;
4175 		if (bp1->bio_bcount / softc->params.secsize >
4176 		    (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) {
4177 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
4178 			break;
4179 		}
4180 	} while (1);
4181 
4182 	block_count = howmany(ranges, ATA_DSM_BLK_RANGES);
4183 	scsi_ata_trim(&ccb->csio,
4184 		      /*retries*/da_retry_count,
4185 		      /*cbfcnp*/dadone,
4186 		      /*tag_action*/MSG_SIMPLE_Q_TAG,
4187 		      block_count,
4188 		      /*data_ptr*/buf,
4189 		      /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE,
4190 		      /*sense_len*/SSD_FULL_SIZE,
4191 		      da_default_timeout * 1000);
4192 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4193 	ccb->ccb_h.flags |= CAM_UNLOCKED;
4194 	cam_iosched_submit_trim(softc->cam_iosched);
4195 }
4196 
4197 /*
4198  * We calculate ws_max_blks here based off d_delmaxsize instead
4199  * of using softc->ws_max_blks as it is absolute max for the
4200  * device not the protocol max which may well be lower.
4201  */
4202 static void
4203 da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
4204 {
4205 	struct da_softc *softc;
4206 	struct bio *bp1;
4207 	uint64_t ws_max_blks;
4208 	uint64_t lba;
4209 	uint64_t count; /* forward compat with WS32 */
4210 
4211 	softc = (struct da_softc *)periph->softc;
4212 	ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize;
4213 	lba = bp->bio_pblkno;
4214 	count = 0;
4215 	bp1 = bp;
4216 	do {
4217 		if (bp1 != bp)//XXX imp XXX
4218 			bioq_insert_tail(&softc->delete_run_queue, bp1);
4219 		count += bp1->bio_bcount / softc->params.secsize;
4220 		if (count > ws_max_blks) {
4221 			xpt_print(periph->path,
4222 			    "%s issuing short delete %ld > %ld\n",
4223 			    da_delete_method_desc[softc->delete_method],
4224 			    count, ws_max_blks);
4225 			count = omin(count, ws_max_blks);
4226 			break;
4227 		}
4228 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
4229 		if (bp1 == NULL)
4230 			break;
4231 		if (lba + count != bp1->bio_pblkno ||
4232 		    count + bp1->bio_bcount /
4233 		    softc->params.secsize > ws_max_blks) {
4234 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
4235 			break;
4236 		}
4237 	} while (1);
4238 
4239 	scsi_write_same(&ccb->csio,
4240 			/*retries*/da_retry_count,
4241 			/*cbfcnp*/dadone,
4242 			/*tag_action*/MSG_SIMPLE_Q_TAG,
4243 			/*byte2*/softc->delete_method ==
4244 			    DA_DELETE_ZERO ? 0 : SWS_UNMAP,
4245 			softc->delete_method == DA_DELETE_WS16 ? 16 : 10,
4246 			/*lba*/lba,
4247 			/*block_count*/count,
4248 			/*data_ptr*/ __DECONST(void *, zero_region),
4249 			/*dxfer_len*/ softc->params.secsize,
4250 			/*sense_len*/SSD_FULL_SIZE,
4251 			da_default_timeout * 1000);
4252 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4253 	ccb->ccb_h.flags |= CAM_UNLOCKED;
4254 	cam_iosched_submit_trim(softc->cam_iosched);
4255 }
4256 
4257 static int
4258 cmd6workaround(union ccb *ccb)
4259 {
4260 	struct scsi_rw_6 cmd6;
4261 	struct scsi_rw_10 *cmd10;
4262 	struct da_softc *softc;
4263 	u_int8_t *cdb;
4264 	struct bio *bp;
4265 	int frozen;
4266 
4267 	cdb = ccb->csio.cdb_io.cdb_bytes;
4268 	softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
4269 
4270 	if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) {
4271 		da_delete_methods old_method = softc->delete_method;
4272 
4273 		/*
4274 		 * Typically there are two reasons for failure here
4275 		 * 1. Delete method was detected as supported but isn't
4276 		 * 2. Delete failed due to invalid params e.g. too big
4277 		 *
4278 		 * While we will attempt to choose an alternative delete method
4279 		 * this may result in short deletes if the existing delete
4280 		 * requests from geom are big for the new method chosen.
4281 		 *
4282 		 * This method assumes that the error which triggered this
4283 		 * will not retry the io otherwise a panic will occur
4284 		 */
4285 		dadeleteflag(softc, old_method, 0);
4286 		dadeletemethodchoose(softc, DA_DELETE_DISABLE);
4287 		if (softc->delete_method == DA_DELETE_DISABLE)
4288 			xpt_print(ccb->ccb_h.path,
4289 				  "%s failed, disabling BIO_DELETE\n",
4290 				  da_delete_method_desc[old_method]);
4291 		else
4292 			xpt_print(ccb->ccb_h.path,
4293 				  "%s failed, switching to %s BIO_DELETE\n",
4294 				  da_delete_method_desc[old_method],
4295 				  da_delete_method_desc[softc->delete_method]);
4296 
4297 		while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL)
4298 			cam_iosched_queue_work(softc->cam_iosched, bp);
4299 		cam_iosched_queue_work(softc->cam_iosched,
4300 		    (struct bio *)ccb->ccb_h.ccb_bp);
4301 		ccb->ccb_h.ccb_bp = NULL;
4302 		return (0);
4303 	}
4304 
4305 	/* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */
4306 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
4307 	    (*cdb == PREVENT_ALLOW) &&
4308 	    (softc->quirks & DA_Q_NO_PREVENT) == 0) {
4309 		if (bootverbose)
4310 			xpt_print(ccb->ccb_h.path,
4311 			    "PREVENT ALLOW MEDIUM REMOVAL not supported.\n");
4312 		softc->quirks |= DA_Q_NO_PREVENT;
4313 		return (0);
4314 	}
4315 
4316 	/* Detect unsupported SYNCHRONIZE CACHE(10). */
4317 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
4318 	    (*cdb == SYNCHRONIZE_CACHE) &&
4319 	    (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
4320 		if (bootverbose)
4321 			xpt_print(ccb->ccb_h.path,
4322 			    "SYNCHRONIZE CACHE(10) not supported.\n");
4323 		softc->quirks |= DA_Q_NO_SYNC_CACHE;
4324 		softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE;
4325 		return (0);
4326 	}
4327 
4328 	/* Translation only possible if CDB is an array and cmd is R/W6 */
4329 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
4330 	    (*cdb != READ_6 && *cdb != WRITE_6))
4331 		return 0;
4332 
4333 	xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, "
4334 	    "increasing minimum_cmd_size to 10.\n");
4335 	softc->minimum_cmd_size = 10;
4336 
4337 	bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
4338 	cmd10 = (struct scsi_rw_10 *)cdb;
4339 	cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
4340 	cmd10->byte2 = 0;
4341 	scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
4342 	cmd10->reserved = 0;
4343 	scsi_ulto2b(cmd6.length, cmd10->length);
4344 	cmd10->control = cmd6.control;
4345 	ccb->csio.cdb_len = sizeof(*cmd10);
4346 
4347 	/* Requeue request, unfreezing queue if necessary */
4348 	frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
4349 	ccb->ccb_h.status = CAM_REQUEUE_REQ;
4350 	xpt_action(ccb);
4351 	if (frozen) {
4352 		cam_release_devq(ccb->ccb_h.path,
4353 				 /*relsim_flags*/0,
4354 				 /*reduction*/0,
4355 				 /*timeout*/0,
4356 				 /*getcount_only*/0);
4357 	}
4358 	return (ERESTART);
4359 }
4360 
4361 static void
4362 dazonedone(struct cam_periph *periph, union ccb *ccb)
4363 {
4364 	struct da_softc *softc;
4365 	struct bio *bp;
4366 
4367 	softc = periph->softc;
4368 	bp = (struct bio *)ccb->ccb_h.ccb_bp;
4369 
4370 	switch (bp->bio_zone.zone_cmd) {
4371 	case DISK_ZONE_OPEN:
4372 	case DISK_ZONE_CLOSE:
4373 	case DISK_ZONE_FINISH:
4374 	case DISK_ZONE_RWP:
4375 		break;
4376 	case DISK_ZONE_REPORT_ZONES: {
4377 		uint32_t avail_len;
4378 		struct disk_zone_report *rep;
4379 		struct scsi_report_zones_hdr *hdr;
4380 		struct scsi_report_zones_desc *desc;
4381 		struct disk_zone_rep_entry *entry;
4382 		uint32_t hdr_len, num_avail;
4383 		uint32_t num_to_fill, i;
4384 		int ata;
4385 
4386 		rep = &bp->bio_zone.zone_params.report;
4387 		avail_len = ccb->csio.dxfer_len - ccb->csio.resid;
4388 		/*
4389 		 * Note that bio_resid isn't normally used for zone
4390 		 * commands, but it is used by devstat_end_transaction_bio()
4391 		 * to determine how much data was transferred.  Because
4392 		 * the size of the SCSI/ATA data structures is different
4393 		 * than the size of the BIO interface structures, the
4394 		 * amount of data actually transferred from the drive will
4395 		 * be different than the amount of data transferred to
4396 		 * the user.
4397 		 */
4398 		bp->bio_resid = ccb->csio.resid;
4399 		hdr = (struct scsi_report_zones_hdr *)ccb->csio.data_ptr;
4400 		if (avail_len < sizeof(*hdr)) {
4401 			/*
4402 			 * Is there a better error than EIO here?  We asked
4403 			 * for at least the header, and we got less than
4404 			 * that.
4405 			 */
4406 			bp->bio_error = EIO;
4407 			bp->bio_flags |= BIO_ERROR;
4408 			bp->bio_resid = bp->bio_bcount;
4409 			break;
4410 		}
4411 
4412 		if (softc->zone_interface == DA_ZONE_IF_ATA_PASS)
4413 			ata = 1;
4414 		else
4415 			ata = 0;
4416 
4417 		hdr_len = ata ? le32dec(hdr->length) :
4418 				scsi_4btoul(hdr->length);
4419 		if (hdr_len > 0)
4420 			rep->entries_available = hdr_len / sizeof(*desc);
4421 		else
4422 			rep->entries_available = 0;
4423 		/*
4424 		 * NOTE: using the same values for the BIO version of the
4425 		 * same field as the SCSI/ATA values.  This means we could
4426 		 * get some additional values that aren't defined in bio.h
4427 		 * if more values of the same field are defined later.
4428 		 */
4429 		rep->header.same = hdr->byte4 & SRZ_SAME_MASK;
4430 		rep->header.maximum_lba = ata ?  le64dec(hdr->maximum_lba) :
4431 					  scsi_8btou64(hdr->maximum_lba);
4432 		/*
4433 		 * If the drive reports no entries that match the query,
4434 		 * we're done.
4435 		 */
4436 		if (hdr_len == 0) {
4437 			rep->entries_filled = 0;
4438 			break;
4439 		}
4440 
4441 		num_avail = min((avail_len - sizeof(*hdr)) / sizeof(*desc),
4442 				hdr_len / sizeof(*desc));
4443 		/*
4444 		 * If the drive didn't return any data, then we're done.
4445 		 */
4446 		if (num_avail == 0) {
4447 			rep->entries_filled = 0;
4448 			break;
4449 		}
4450 
4451 		num_to_fill = min(num_avail, rep->entries_allocated);
4452 		/*
4453 		 * If the user didn't allocate any entries for us to fill,
4454 		 * we're done.
4455 		 */
4456 		if (num_to_fill == 0) {
4457 			rep->entries_filled = 0;
4458 			break;
4459 		}
4460 
4461 		for (i = 0, desc = &hdr->desc_list[0], entry=&rep->entries[0];
4462 		     i < num_to_fill; i++, desc++, entry++) {
4463 			/*
4464 			 * NOTE: we're mapping the values here directly
4465 			 * from the SCSI/ATA bit definitions to the bio.h
4466 			 * definitons.  There is also a warning in
4467 			 * disk_zone.h, but the impact is that if
4468 			 * additional values are added in the SCSI/ATA
4469 			 * specs these will be visible to consumers of
4470 			 * this interface.
4471 			 */
4472 			entry->zone_type = desc->zone_type & SRZ_TYPE_MASK;
4473 			entry->zone_condition =
4474 			    (desc->zone_flags & SRZ_ZONE_COND_MASK) >>
4475 			    SRZ_ZONE_COND_SHIFT;
4476 			entry->zone_flags |= desc->zone_flags &
4477 			    (SRZ_ZONE_NON_SEQ|SRZ_ZONE_RESET);
4478 			entry->zone_length =
4479 			    ata ? le64dec(desc->zone_length) :
4480 				  scsi_8btou64(desc->zone_length);
4481 			entry->zone_start_lba =
4482 			    ata ? le64dec(desc->zone_start_lba) :
4483 				  scsi_8btou64(desc->zone_start_lba);
4484 			entry->write_pointer_lba =
4485 			    ata ? le64dec(desc->write_pointer_lba) :
4486 				  scsi_8btou64(desc->write_pointer_lba);
4487 		}
4488 		rep->entries_filled = num_to_fill;
4489 		break;
4490 	}
4491 	case DISK_ZONE_GET_PARAMS:
4492 	default:
4493 		/*
4494 		 * In theory we should not get a GET_PARAMS bio, since it
4495 		 * should be handled without queueing the command to the
4496 		 * drive.
4497 		 */
4498 		panic("%s: Invalid zone command %d", __func__,
4499 		    bp->bio_zone.zone_cmd);
4500 		break;
4501 	}
4502 
4503 	if (bp->bio_zone.zone_cmd == DISK_ZONE_REPORT_ZONES)
4504 		free(ccb->csio.data_ptr, M_SCSIDA);
4505 }
4506 
4507 static void
4508 dadone(struct cam_periph *periph, union ccb *done_ccb)
4509 {
4510 	struct bio *bp, *bp1;
4511 	struct da_softc *softc;
4512 	struct ccb_scsiio *csio;
4513 	u_int32_t  priority;
4514 	da_ccb_state state;
4515 
4516 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n"));
4517 
4518 	softc = (struct da_softc *)periph->softc;
4519 	priority = done_ccb->ccb_h.pinfo.priority;
4520 	csio = &done_ccb->csio;
4521 
4522 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
4523 	if (csio->bio != NULL)
4524 		biotrack(csio->bio, __func__);
4525 #endif
4526 	state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
4527 
4528 	cam_periph_lock(periph);
4529 	bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
4530 	if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
4531 		int error;
4532 		int sf;
4533 
4534 		if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
4535 			sf = SF_RETRY_UA;
4536 		else
4537 			sf = 0;
4538 
4539 		error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
4540 		if (error == ERESTART) {
4541 			/* A retry was scheduled, so just return. */
4542 			cam_periph_unlock(periph);
4543 			return;
4544 		}
4545 		bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
4546 		if (error != 0) {
4547 			int queued_error;
4548 
4549 			/*
4550 			 * return all queued I/O with EIO, so that
4551 			 * the client can retry these I/Os in the
4552 			 * proper order should it attempt to recover.
4553 			 */
4554 			queued_error = EIO;
4555 
4556 			if (error == ENXIO
4557 			 && (softc->flags & DA_FLAG_PACK_INVALID)== 0) {
4558 				/*
4559 				 * Catastrophic error.  Mark our pack as
4560 				 * invalid.
4561 				 *
4562 				 * XXX See if this is really a media
4563 				 * XXX change first?
4564 				 */
4565 				xpt_print(periph->path, "Invalidating pack\n");
4566 				softc->flags |= DA_FLAG_PACK_INVALID;
4567 #ifdef CAM_IO_STATS
4568 				softc->invalidations++;
4569 #endif
4570 				queued_error = ENXIO;
4571 			}
4572 			cam_iosched_flush(softc->cam_iosched, NULL,
4573 			   queued_error);
4574 			if (bp != NULL) {
4575 				bp->bio_error = error;
4576 				bp->bio_resid = bp->bio_bcount;
4577 				bp->bio_flags |= BIO_ERROR;
4578 			}
4579 		} else if (bp != NULL) {
4580 			if (state == DA_CCB_DELETE)
4581 				bp->bio_resid = 0;
4582 			else
4583 				bp->bio_resid = csio->resid;
4584 			bp->bio_error = 0;
4585 			if (bp->bio_resid != 0)
4586 				bp->bio_flags |= BIO_ERROR;
4587 		}
4588 		if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
4589 			cam_release_devq(done_ccb->ccb_h.path,
4590 					 /*relsim_flags*/0,
4591 					 /*reduction*/0,
4592 					 /*timeout*/0,
4593 					 /*getcount_only*/0);
4594 	} else if (bp != NULL) {
4595 		if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
4596 			panic("REQ_CMP with QFRZN");
4597 		if (bp->bio_cmd == BIO_ZONE)
4598 			dazonedone(periph, done_ccb);
4599 		else if (state == DA_CCB_DELETE)
4600 			bp->bio_resid = 0;
4601 		else
4602 			bp->bio_resid = csio->resid;
4603 		if ((csio->resid > 0) && (bp->bio_cmd != BIO_ZONE))
4604 			bp->bio_flags |= BIO_ERROR;
4605 		if (softc->error_inject != 0) {
4606 			bp->bio_error = softc->error_inject;
4607 			bp->bio_resid = bp->bio_bcount;
4608 			bp->bio_flags |= BIO_ERROR;
4609 			softc->error_inject = 0;
4610 		}
4611 	}
4612 
4613 	if (bp != NULL)
4614 		biotrack(bp, __func__);
4615 	LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
4616 	if (LIST_EMPTY(&softc->pending_ccbs))
4617 		softc->flags |= DA_FLAG_WAS_OTAG;
4618 
4619 	/*
4620 	 * We need to call cam_iosched before we call biodone so that we don't
4621 	 * measure any activity that happens in the completion routine, which in
4622 	 * the case of sendfile can be quite extensive. Release the periph
4623 	 * refcount taken in dastart() for each CCB.
4624 	 */
4625 	cam_iosched_bio_complete(softc->cam_iosched, bp, done_ccb);
4626 	xpt_release_ccb(done_ccb);
4627 	KASSERT(softc->refcount >= 1, ("dadone softc %p refcount %d", softc, softc->refcount));
4628 	softc->refcount--;
4629 	if (state == DA_CCB_DELETE) {
4630 		TAILQ_HEAD(, bio) queue;
4631 
4632 		TAILQ_INIT(&queue);
4633 		TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue);
4634 		softc->delete_run_queue.insert_point = NULL;
4635 		/*
4636 		 * Normally, the xpt_release_ccb() above would make sure
4637 		 * that when we have more work to do, that work would
4638 		 * get kicked off. However, we specifically keep
4639 		 * delete_running set to 0 before the call above to
4640 		 * allow other I/O to progress when many BIO_DELETE
4641 		 * requests are pushed down. We set delete_running to 0
4642 		 * and call daschedule again so that we don't stall if
4643 		 * there are no other I/Os pending apart from BIO_DELETEs.
4644 		 */
4645 		cam_iosched_trim_done(softc->cam_iosched);
4646 		daschedule(periph);
4647 		cam_periph_unlock(periph);
4648 		while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
4649 			TAILQ_REMOVE(&queue, bp1, bio_queue);
4650 			bp1->bio_error = bp->bio_error;
4651 			if (bp->bio_flags & BIO_ERROR) {
4652 				bp1->bio_flags |= BIO_ERROR;
4653 				bp1->bio_resid = bp1->bio_bcount;
4654 			} else
4655 				bp1->bio_resid = 0;
4656 			biodone(bp1);
4657 		}
4658 	} else {
4659 		daschedule(periph);
4660 		cam_periph_unlock(periph);
4661 	}
4662 	if (bp != NULL)
4663 		biodone(bp);
4664 	return;
4665 }
4666 
4667 static void
4668 dadone_probewp(struct cam_periph *periph, union ccb *done_ccb)
4669 {
4670 	struct scsi_mode_header_6 *mode_hdr6;
4671 	struct scsi_mode_header_10 *mode_hdr10;
4672 	struct da_softc *softc;
4673 	struct ccb_scsiio *csio;
4674 	u_int32_t  priority;
4675 	uint8_t dev_spec;
4676 
4677 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probewp\n"));
4678 
4679 	softc = (struct da_softc *)periph->softc;
4680 	priority = done_ccb->ccb_h.pinfo.priority;
4681 	csio = &done_ccb->csio;
4682 
4683 	cam_periph_assert(periph, MA_OWNED);
4684 
4685 	KASSERT(softc->state == DA_STATE_PROBE_WP,
4686 	    ("State (%d) not PROBE_WP in dadone_probewp, periph %p ccb %p",
4687 		softc->state, periph, done_ccb));
4688         KASSERT((csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) == DA_CCB_PROBE_WP,
4689 	    ("CCB State (%lu) not PROBE_WP in dadone_probewp, periph %p ccb %p",
4690 		(unsigned long)csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK, periph,
4691 		done_ccb));
4692 
4693 	if (softc->minimum_cmd_size > 6) {
4694 		mode_hdr10 = (struct scsi_mode_header_10 *)csio->data_ptr;
4695 		dev_spec = mode_hdr10->dev_spec;
4696 	} else {
4697 		mode_hdr6 = (struct scsi_mode_header_6 *)csio->data_ptr;
4698 		dev_spec = mode_hdr6->dev_spec;
4699 	}
4700 	if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) {
4701 		if ((dev_spec & 0x80) != 0)
4702 			softc->disk->d_flags |= DISKFLAG_WRITE_PROTECT;
4703 		else
4704 			softc->disk->d_flags &= ~DISKFLAG_WRITE_PROTECT;
4705 	} else {
4706 		int error;
4707 
4708 		error = daerror(done_ccb, CAM_RETRY_SELTO,
4709 				SF_RETRY_UA|SF_NO_PRINT);
4710 		if (error == ERESTART)
4711 			return;
4712 		else if (error != 0) {
4713 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4714 				/* Don't wedge this device's queue */
4715 				cam_release_devq(done_ccb->ccb_h.path,
4716 						 /*relsim_flags*/0,
4717 						 /*reduction*/0,
4718 						 /*timeout*/0,
4719 						 /*getcount_only*/0);
4720 			}
4721 		}
4722 	}
4723 
4724 	free(csio->data_ptr, M_SCSIDA);
4725 	if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
4726 		softc->state = DA_STATE_PROBE_RC16;
4727 	else
4728 		softc->state = DA_STATE_PROBE_RC;
4729 	xpt_release_ccb(done_ccb);
4730 	xpt_schedule(periph, priority);
4731 	return;
4732 }
4733 
4734 static void
4735 dadone_proberc(struct cam_periph *periph, union ccb *done_ccb)
4736 {
4737 	struct scsi_read_capacity_data *rdcap;
4738 	struct scsi_read_capacity_data_long *rcaplong;
4739 	struct da_softc *softc;
4740 	struct ccb_scsiio *csio;
4741 	da_ccb_state state;
4742 	char *announce_buf;
4743 	u_int32_t  priority;
4744 	int lbp, n;
4745 
4746 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_proberc\n"));
4747 
4748 	softc = (struct da_softc *)periph->softc;
4749 	priority = done_ccb->ccb_h.pinfo.priority;
4750 	csio = &done_ccb->csio;
4751 	state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
4752 
4753 	KASSERT(softc->state == DA_STATE_PROBE_RC || softc->state == DA_STATE_PROBE_RC16,
4754 	    ("State (%d) not PROBE_RC* in dadone_proberc, periph %p ccb %p",
4755 		softc->state, periph, done_ccb));
4756 	KASSERT(state == DA_CCB_PROBE_RC || state == DA_CCB_PROBE_RC16,
4757 	    ("CCB State (%lu) not PROBE_RC* in dadone_probewp, periph %p ccb %p",
4758 		(unsigned long)state, periph, done_ccb));
4759 
4760 	lbp = 0;
4761 	rdcap = NULL;
4762 	rcaplong = NULL;
4763 	/* XXX TODO: can this be a malloc? */
4764 	announce_buf = softc->announce_temp;
4765 	bzero(announce_buf, DA_ANNOUNCETMP_SZ);
4766 
4767 	if (state == DA_CCB_PROBE_RC)
4768 		rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
4769 	else
4770 		rcaplong = (struct scsi_read_capacity_data_long *)
4771 			csio->data_ptr;
4772 
4773 	cam_periph_assert(periph, MA_OWNED);
4774 
4775 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4776 		struct disk_params *dp;
4777 		uint32_t block_size;
4778 		uint64_t maxsector;
4779 		u_int lalba;	/* Lowest aligned LBA. */
4780 
4781 		if (state == DA_CCB_PROBE_RC) {
4782 			block_size = scsi_4btoul(rdcap->length);
4783 			maxsector = scsi_4btoul(rdcap->addr);
4784 			lalba = 0;
4785 
4786 			/*
4787 			 * According to SBC-2, if the standard 10
4788 			 * byte READ CAPACITY command returns 2^32,
4789 			 * we should issue the 16 byte version of
4790 			 * the command, since the device in question
4791 			 * has more sectors than can be represented
4792 			 * with the short version of the command.
4793 			 */
4794 			if (maxsector == 0xffffffff) {
4795 				free(rdcap, M_SCSIDA);
4796 				softc->state = DA_STATE_PROBE_RC16;
4797 				xpt_release_ccb(done_ccb);
4798 				xpt_schedule(periph, priority);
4799 				return;
4800 			}
4801 		} else {
4802 			block_size = scsi_4btoul(rcaplong->length);
4803 			maxsector = scsi_8btou64(rcaplong->addr);
4804 			lalba = scsi_2btoul(rcaplong->lalba_lbp);
4805 		}
4806 
4807 		/*
4808 		 * Because GEOM code just will panic us if we
4809 		 * give them an 'illegal' value we'll avoid that
4810 		 * here.
4811 		 */
4812 		if (block_size == 0) {
4813 			block_size = 512;
4814 			if (maxsector == 0)
4815 				maxsector = -1;
4816 		}
4817 		if (block_size >= MAXPHYS) {
4818 			xpt_print(periph->path,
4819 			    "unsupportable block size %ju\n",
4820 			    (uintmax_t) block_size);
4821 			announce_buf = NULL;
4822 			cam_periph_invalidate(periph);
4823 		} else {
4824 			/*
4825 			 * We pass rcaplong into dasetgeom(),
4826 			 * because it will only use it if it is
4827 			 * non-NULL.
4828 			 */
4829 			dasetgeom(periph, block_size, maxsector,
4830 				  rcaplong, sizeof(*rcaplong));
4831 			lbp = (lalba & SRC16_LBPME_A);
4832 			dp = &softc->params;
4833 			n = snprintf(announce_buf, DA_ANNOUNCETMP_SZ,
4834 			    "%juMB (%ju %u byte sectors",
4835 			    ((uintmax_t)dp->secsize * dp->sectors) /
4836 			     (1024 * 1024),
4837 			    (uintmax_t)dp->sectors, dp->secsize);
4838 			if (softc->p_type != 0) {
4839 				n += snprintf(announce_buf + n,
4840 				    DA_ANNOUNCETMP_SZ - n,
4841 				    ", DIF type %d", softc->p_type);
4842 			}
4843 			snprintf(announce_buf + n, DA_ANNOUNCETMP_SZ - n, ")");
4844 		}
4845 	} else {
4846 		int error;
4847 
4848 		/*
4849 		 * Retry any UNIT ATTENTION type errors.  They
4850 		 * are expected at boot.
4851 		 */
4852 		error = daerror(done_ccb, CAM_RETRY_SELTO,
4853 				SF_RETRY_UA|SF_NO_PRINT);
4854 		if (error == ERESTART) {
4855 			/*
4856 			 * A retry was scheuled, so
4857 			 * just return.
4858 			 */
4859 			return;
4860 		} else if (error != 0) {
4861 			int asc, ascq;
4862 			int sense_key, error_code;
4863 			int have_sense;
4864 			cam_status status;
4865 			struct ccb_getdev cgd;
4866 
4867 			/* Don't wedge this device's queue */
4868 			status = done_ccb->ccb_h.status;
4869 			if ((status & CAM_DEV_QFRZN) != 0)
4870 				cam_release_devq(done_ccb->ccb_h.path,
4871 						 /*relsim_flags*/0,
4872 						 /*reduction*/0,
4873 						 /*timeout*/0,
4874 						 /*getcount_only*/0);
4875 
4876 
4877 			xpt_setup_ccb(&cgd.ccb_h, done_ccb->ccb_h.path,
4878 				      CAM_PRIORITY_NORMAL);
4879 			cgd.ccb_h.func_code = XPT_GDEV_TYPE;
4880 			xpt_action((union ccb *)&cgd);
4881 
4882 			if (scsi_extract_sense_ccb(done_ccb,
4883 			    &error_code, &sense_key, &asc, &ascq))
4884 				have_sense = TRUE;
4885 			else
4886 				have_sense = FALSE;
4887 
4888 			/*
4889 			 * If we tried READ CAPACITY(16) and failed,
4890 			 * fallback to READ CAPACITY(10).
4891 			 */
4892 			if ((state == DA_CCB_PROBE_RC16) &&
4893 			    (softc->flags & DA_FLAG_CAN_RC16) &&
4894 			    (((csio->ccb_h.status & CAM_STATUS_MASK) ==
4895 				CAM_REQ_INVALID) ||
4896 			     ((have_sense) &&
4897 			      (error_code == SSD_CURRENT_ERROR ||
4898 			       error_code == SSD_DESC_CURRENT_ERROR) &&
4899 			      (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
4900 				cam_periph_assert(periph, MA_OWNED);
4901 				softc->flags &= ~DA_FLAG_CAN_RC16;
4902 				free(rdcap, M_SCSIDA);
4903 				softc->state = DA_STATE_PROBE_RC;
4904 				xpt_release_ccb(done_ccb);
4905 				xpt_schedule(periph, priority);
4906 				return;
4907 			}
4908 
4909 			/*
4910 			 * Attach to anything that claims to be a
4911 			 * direct access or optical disk device,
4912 			 * as long as it doesn't return a "Logical
4913 			 * unit not supported" (0x25) error.
4914 			 * "Internal Target Failure" (0x44) is also
4915 			 * special and typically means that the
4916 			 * device is a SATA drive behind a SATL
4917 			 * translation that's fallen into a
4918 			 * terminally fatal state.
4919 			 */
4920 			if ((have_sense)
4921 			 && (asc != 0x25) && (asc != 0x44)
4922 			 && (error_code == SSD_CURRENT_ERROR
4923 			  || error_code == SSD_DESC_CURRENT_ERROR)) {
4924 				const char *sense_key_desc;
4925 				const char *asc_desc;
4926 
4927 				dasetgeom(periph, 512, -1, NULL, 0);
4928 				scsi_sense_desc(sense_key, asc, ascq,
4929 						&cgd.inq_data, &sense_key_desc,
4930 						&asc_desc);
4931 				snprintf(announce_buf, DA_ANNOUNCETMP_SZ,
4932 				    "Attempt to query device "
4933 				    "size failed: %s, %s",
4934 				    sense_key_desc, asc_desc);
4935 			} else {
4936 				if (have_sense)
4937 					scsi_sense_print(&done_ccb->csio);
4938 				else {
4939 					xpt_print(periph->path,
4940 					    "got CAM status %#x\n",
4941 					    done_ccb->ccb_h.status);
4942 				}
4943 
4944 				xpt_print(periph->path, "fatal error, "
4945 				    "failed to attach to device\n");
4946 
4947 				announce_buf = NULL;
4948 
4949 				/*
4950 				 * Free up resources.
4951 				 */
4952 				cam_periph_invalidate(periph);
4953 			}
4954 		}
4955 	}
4956 	free(csio->data_ptr, M_SCSIDA);
4957 	if (announce_buf != NULL &&
4958 	    ((softc->flags & DA_FLAG_ANNOUNCED) == 0)) {
4959 		struct sbuf sb;
4960 
4961 		sbuf_new(&sb, softc->announcebuf, DA_ANNOUNCE_SZ,
4962 		    SBUF_FIXEDLEN);
4963 		xpt_announce_periph_sbuf(periph, &sb, announce_buf);
4964 		xpt_announce_quirks_sbuf(periph, &sb, softc->quirks,
4965 		    DA_Q_BIT_STRING);
4966 		sbuf_finish(&sb);
4967 		sbuf_putbuf(&sb);
4968 
4969 		/*
4970 		 * Create our sysctl variables, now that we know
4971 		 * we have successfully attached.
4972 		 */
4973 		/* increase the refcount */
4974 		if (da_periph_acquire(periph, DA_REF_SYSCTL) == 0) {
4975 			taskqueue_enqueue(taskqueue_thread,
4976 					  &softc->sysctl_task);
4977 		} else {
4978 			/* XXX This message is useless! */
4979 			xpt_print(periph->path, "fatal error, "
4980 			    "could not acquire reference count\n");
4981 		}
4982 	}
4983 
4984 	/* We already probed the device. */
4985 	if (softc->flags & DA_FLAG_PROBED) {
4986 		daprobedone(periph, done_ccb);
4987 		return;
4988 	}
4989 
4990 	/* Ensure re-probe doesn't see old delete. */
4991 	softc->delete_available = 0;
4992 	dadeleteflag(softc, DA_DELETE_ZERO, 1);
4993 	if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) {
4994 		/*
4995 		 * Based on older SBC-3 spec revisions
4996 		 * any of the UNMAP methods "may" be
4997 		 * available via LBP given this flag so
4998 		 * we flag all of them as available and
4999 		 * then remove those which further
5000 		 * probes confirm aren't available
5001 		 * later.
5002 		 *
5003 		 * We could also check readcap(16) p_type
5004 		 * flag to exclude one or more invalid
5005 		 * write same (X) types here
5006 		 */
5007 		dadeleteflag(softc, DA_DELETE_WS16, 1);
5008 		dadeleteflag(softc, DA_DELETE_WS10, 1);
5009 		dadeleteflag(softc, DA_DELETE_UNMAP, 1);
5010 
5011 		softc->state = DA_STATE_PROBE_LBP;
5012 		xpt_release_ccb(done_ccb);
5013 		xpt_schedule(periph, priority);
5014 		return;
5015 	}
5016 
5017 	softc->state = DA_STATE_PROBE_BDC;
5018 	xpt_release_ccb(done_ccb);
5019 	xpt_schedule(periph, priority);
5020 	return;
5021 }
5022 
5023 static void
5024 dadone_probelbp(struct cam_periph *periph, union ccb *done_ccb)
5025 {
5026 	struct scsi_vpd_logical_block_prov *lbp;
5027 	struct da_softc *softc;
5028 	struct ccb_scsiio *csio;
5029 	u_int32_t  priority;
5030 
5031 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probelbp\n"));
5032 
5033 	softc = (struct da_softc *)periph->softc;
5034 	priority = done_ccb->ccb_h.pinfo.priority;
5035 	csio = &done_ccb->csio;
5036 	lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr;
5037 
5038 	cam_periph_assert(periph, MA_OWNED);
5039 
5040 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5041 		/*
5042 		 * T10/1799-D Revision 31 states at least one of these
5043 		 * must be supported but we don't currently enforce this.
5044 		 */
5045 		dadeleteflag(softc, DA_DELETE_WS16,
5046 		     (lbp->flags & SVPD_LBP_WS16));
5047 		dadeleteflag(softc, DA_DELETE_WS10,
5048 			     (lbp->flags & SVPD_LBP_WS10));
5049 		dadeleteflag(softc, DA_DELETE_UNMAP,
5050 			     (lbp->flags & SVPD_LBP_UNMAP));
5051 	} else {
5052 		int error;
5053 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5054 				SF_RETRY_UA|SF_NO_PRINT);
5055 		if (error == ERESTART)
5056 			return;
5057 		else if (error != 0) {
5058 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5059 				/* Don't wedge this device's queue */
5060 				cam_release_devq(done_ccb->ccb_h.path,
5061 						 /*relsim_flags*/0,
5062 						 /*reduction*/0,
5063 						 /*timeout*/0,
5064 						 /*getcount_only*/0);
5065 			}
5066 
5067 			/*
5068 			 * Failure indicates we don't support any SBC-3
5069 			 * delete methods with UNMAP
5070 			 */
5071 		}
5072 	}
5073 
5074 	free(lbp, M_SCSIDA);
5075 	softc->state = DA_STATE_PROBE_BLK_LIMITS;
5076 	xpt_release_ccb(done_ccb);
5077 	xpt_schedule(periph, priority);
5078 	return;
5079 }
5080 
5081 static void
5082 dadone_probeblklimits(struct cam_periph *periph, union ccb *done_ccb)
5083 {
5084 	struct scsi_vpd_block_limits *block_limits;
5085 	struct da_softc *softc;
5086 	struct ccb_scsiio *csio;
5087 	u_int32_t  priority;
5088 
5089 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeblklimits\n"));
5090 
5091 	softc = (struct da_softc *)periph->softc;
5092 	priority = done_ccb->ccb_h.pinfo.priority;
5093 	csio = &done_ccb->csio;
5094 	block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr;
5095 
5096 	cam_periph_assert(periph, MA_OWNED);
5097 
5098 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5099 		uint32_t max_txfer_len = scsi_4btoul(
5100 			block_limits->max_txfer_len);
5101 		uint32_t max_unmap_lba_cnt = scsi_4btoul(
5102 			block_limits->max_unmap_lba_cnt);
5103 		uint32_t max_unmap_blk_cnt = scsi_4btoul(
5104 			block_limits->max_unmap_blk_cnt);
5105 		uint32_t unmap_gran = scsi_4btoul(
5106 			block_limits->opt_unmap_grain);
5107 		uint32_t unmap_gran_align = scsi_4btoul(
5108 			block_limits->unmap_grain_align);
5109 		uint64_t ws_max_blks = scsi_8btou64(
5110 			block_limits->max_write_same_length);
5111 
5112 		if (max_txfer_len != 0) {
5113 			softc->disk->d_maxsize = MIN(softc->maxio,
5114 			    (off_t)max_txfer_len * softc->params.secsize);
5115 		}
5116 
5117 		/*
5118 		 * We should already support UNMAP but we check lba
5119 		 * and block count to be sure
5120 		 */
5121 		if (max_unmap_lba_cnt != 0x00L &&
5122 		    max_unmap_blk_cnt != 0x00L) {
5123 			softc->unmap_max_lba = max_unmap_lba_cnt;
5124 			softc->unmap_max_ranges = min(max_unmap_blk_cnt,
5125 				UNMAP_MAX_RANGES);
5126 			if (unmap_gran > 1) {
5127 				softc->unmap_gran = unmap_gran;
5128 				if (unmap_gran_align & 0x80000000) {
5129 					softc->unmap_gran_align =
5130 					    unmap_gran_align & 0x7fffffff;
5131 				}
5132 			}
5133 		} else {
5134 			/*
5135 			 * Unexpected UNMAP limits which means the
5136 			 * device doesn't actually support UNMAP
5137 			 */
5138 			dadeleteflag(softc, DA_DELETE_UNMAP, 0);
5139 		}
5140 
5141 		if (ws_max_blks != 0x00L)
5142 			softc->ws_max_blks = ws_max_blks;
5143 	} else {
5144 		int error;
5145 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5146 				SF_RETRY_UA|SF_NO_PRINT);
5147 		if (error == ERESTART)
5148 			return;
5149 		else if (error != 0) {
5150 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5151 				/* Don't wedge this device's queue */
5152 				cam_release_devq(done_ccb->ccb_h.path,
5153 						 /*relsim_flags*/0,
5154 						 /*reduction*/0,
5155 						 /*timeout*/0,
5156 						 /*getcount_only*/0);
5157 			}
5158 
5159 			/*
5160 			 * Failure here doesn't mean UNMAP is not
5161 			 * supported as this is an optional page.
5162 			 */
5163 			softc->unmap_max_lba = 1;
5164 			softc->unmap_max_ranges = 1;
5165 		}
5166 	}
5167 
5168 	free(block_limits, M_SCSIDA);
5169 	softc->state = DA_STATE_PROBE_BDC;
5170 	xpt_release_ccb(done_ccb);
5171 	xpt_schedule(periph, priority);
5172 	return;
5173 }
5174 
5175 static void
5176 dadone_probebdc(struct cam_periph *periph, union ccb *done_ccb)
5177 {
5178 	struct scsi_vpd_block_device_characteristics *bdc;
5179 	struct da_softc *softc;
5180 	struct ccb_scsiio *csio;
5181 	u_int32_t  priority;
5182 
5183 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probebdc\n"));
5184 
5185 	softc = (struct da_softc *)periph->softc;
5186 	priority = done_ccb->ccb_h.pinfo.priority;
5187 	csio = &done_ccb->csio;
5188 	bdc = (struct scsi_vpd_block_device_characteristics *)csio->data_ptr;
5189 
5190 	cam_periph_assert(periph, MA_OWNED);
5191 
5192 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5193 		uint32_t valid_len;
5194 
5195 		/*
5196 		 * Disable queue sorting for non-rotational media
5197 		 * by default.
5198 		 */
5199 		u_int16_t old_rate = softc->disk->d_rotation_rate;
5200 
5201 		valid_len = csio->dxfer_len - csio->resid;
5202 		if (SBDC_IS_PRESENT(bdc, valid_len,
5203 		    medium_rotation_rate)) {
5204 			softc->disk->d_rotation_rate =
5205 				scsi_2btoul(bdc->medium_rotation_rate);
5206 			if (softc->disk->d_rotation_rate ==
5207 			    SVPD_BDC_RATE_NON_ROTATING) {
5208 				cam_iosched_set_sort_queue(
5209 				    softc->cam_iosched, 0);
5210 				softc->flags &= ~DA_FLAG_ROTATING;
5211 			}
5212 			if (softc->disk->d_rotation_rate != old_rate) {
5213 				disk_attr_changed(softc->disk,
5214 				    "GEOM::rotation_rate", M_NOWAIT);
5215 			}
5216 		}
5217 		if ((SBDC_IS_PRESENT(bdc, valid_len, flags))
5218 		 && (softc->zone_mode == DA_ZONE_NONE)) {
5219 			int ata_proto;
5220 
5221 			if (scsi_vpd_supported_page(periph,
5222 			    SVPD_ATA_INFORMATION))
5223 				ata_proto = 1;
5224 			else
5225 				ata_proto = 0;
5226 
5227 			/*
5228 			 * The Zoned field will only be set for
5229 			 * Drive Managed and Host Aware drives.  If
5230 			 * they are Host Managed, the device type
5231 			 * in the standard INQUIRY data should be
5232 			 * set to T_ZBC_HM (0x14).
5233 			 */
5234 			if ((bdc->flags & SVPD_ZBC_MASK) ==
5235 			     SVPD_HAW_ZBC) {
5236 				softc->zone_mode = DA_ZONE_HOST_AWARE;
5237 				softc->zone_interface = (ata_proto) ?
5238 				   DA_ZONE_IF_ATA_SAT : DA_ZONE_IF_SCSI;
5239 			} else if ((bdc->flags & SVPD_ZBC_MASK) ==
5240 			     SVPD_DM_ZBC) {
5241 				softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
5242 				softc->zone_interface = (ata_proto) ?
5243 				   DA_ZONE_IF_ATA_SAT : DA_ZONE_IF_SCSI;
5244 			} else if ((bdc->flags & SVPD_ZBC_MASK) !=
5245 				  SVPD_ZBC_NR) {
5246 				xpt_print(periph->path, "Unknown zoned "
5247 				    "type %#x",
5248 				    bdc->flags & SVPD_ZBC_MASK);
5249 			}
5250 		}
5251 	} else {
5252 		int error;
5253 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5254 				SF_RETRY_UA|SF_NO_PRINT);
5255 		if (error == ERESTART)
5256 			return;
5257 		else if (error != 0) {
5258 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5259 				/* Don't wedge this device's queue */
5260 				cam_release_devq(done_ccb->ccb_h.path,
5261 						 /*relsim_flags*/0,
5262 						 /*reduction*/0,
5263 						 /*timeout*/0,
5264 						 /*getcount_only*/0);
5265 			}
5266 		}
5267 	}
5268 
5269 	free(bdc, M_SCSIDA);
5270 	softc->state = DA_STATE_PROBE_ATA;
5271 	xpt_release_ccb(done_ccb);
5272 	xpt_schedule(periph, priority);
5273 	return;
5274 }
5275 
5276 static void
5277 dadone_probeata(struct cam_periph *periph, union ccb *done_ccb)
5278 {
5279 	struct ata_params *ata_params;
5280 	struct ccb_scsiio *csio;
5281 	struct da_softc *softc;
5282 	u_int32_t  priority;
5283 	int continue_probe;
5284 	int error;
5285 	int16_t *ptr;
5286 
5287 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeata\n"));
5288 
5289 	softc = (struct da_softc *)periph->softc;
5290 	priority = done_ccb->ccb_h.pinfo.priority;
5291 	csio = &done_ccb->csio;
5292 	ata_params = (struct ata_params *)csio->data_ptr;
5293 	ptr = (uint16_t *)ata_params;
5294 	continue_probe = 0;
5295 	error = 0;
5296 
5297 	cam_periph_assert(periph, MA_OWNED);
5298 
5299 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5300 		uint16_t old_rate;
5301 
5302 		ata_param_fixup(ata_params);
5303 		if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM &&
5304 		    (softc->quirks & DA_Q_NO_UNMAP) == 0) {
5305 			dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1);
5306 			if (ata_params->max_dsm_blocks != 0)
5307 				softc->trim_max_ranges = min(
5308 				  softc->trim_max_ranges,
5309 				  ata_params->max_dsm_blocks *
5310 				  ATA_DSM_BLK_RANGES);
5311 		}
5312 		/*
5313 		 * Disable queue sorting for non-rotational media
5314 		 * by default.
5315 		 */
5316 		old_rate = softc->disk->d_rotation_rate;
5317 		softc->disk->d_rotation_rate = ata_params->media_rotation_rate;
5318 		if (softc->disk->d_rotation_rate == ATA_RATE_NON_ROTATING) {
5319 			cam_iosched_set_sort_queue(softc->cam_iosched, 0);
5320 			softc->flags &= ~DA_FLAG_ROTATING;
5321 		}
5322 		if (softc->disk->d_rotation_rate != old_rate) {
5323 			disk_attr_changed(softc->disk,
5324 			    "GEOM::rotation_rate", M_NOWAIT);
5325 		}
5326 
5327 		cam_periph_assert(periph, MA_OWNED);
5328 		if (ata_params->capabilities1 & ATA_SUPPORT_DMA)
5329 			softc->flags |= DA_FLAG_CAN_ATA_DMA;
5330 
5331 		if (ata_params->support.extension & ATA_SUPPORT_GENLOG)
5332 			softc->flags |= DA_FLAG_CAN_ATA_LOG;
5333 
5334 		/*
5335 		 * At this point, if we have a SATA host aware drive,
5336 		 * we communicate via ATA passthrough unless the
5337 		 * SAT layer supports ZBC -> ZAC translation.  In
5338 		 * that case,
5339 		 *
5340 		 * XXX KDM figure out how to detect a host managed
5341 		 * SATA drive.
5342 		 */
5343 		if (softc->zone_mode == DA_ZONE_NONE) {
5344 			/*
5345 			 * Note that we don't override the zone
5346 			 * mode or interface if it has already been
5347 			 * set.  This is because it has either been
5348 			 * set as a quirk, or when we probed the
5349 			 * SCSI Block Device Characteristics page,
5350 			 * the zoned field was set.  The latter
5351 			 * means that the SAT layer supports ZBC to
5352 			 * ZAC translation, and we would prefer to
5353 			 * use that if it is available.
5354 			 */
5355 			if ((ata_params->support3 &
5356 			    ATA_SUPPORT_ZONE_MASK) ==
5357 			    ATA_SUPPORT_ZONE_HOST_AWARE) {
5358 				softc->zone_mode = DA_ZONE_HOST_AWARE;
5359 				softc->zone_interface =
5360 				    DA_ZONE_IF_ATA_PASS;
5361 			} else if ((ata_params->support3 &
5362 				    ATA_SUPPORT_ZONE_MASK) ==
5363 				    ATA_SUPPORT_ZONE_DEV_MANAGED) {
5364 				softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
5365 				softc->zone_interface = DA_ZONE_IF_ATA_PASS;
5366 			}
5367 		}
5368 
5369 	} else {
5370 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5371 				SF_RETRY_UA|SF_NO_PRINT);
5372 		if (error == ERESTART)
5373 			return;
5374 		else if (error != 0) {
5375 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5376 				/* Don't wedge this device's queue */
5377 				cam_release_devq(done_ccb->ccb_h.path,
5378 						 /*relsim_flags*/0,
5379 						 /*reduction*/0,
5380 						 /*timeout*/0,
5381 						 /*getcount_only*/0);
5382 			}
5383 		}
5384 	}
5385 
5386 	if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
5387 	 || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
5388 		/*
5389 		 * If the ATA IDENTIFY failed, we could be talking
5390 		 * to a SCSI drive, although that seems unlikely,
5391 		 * since the drive did report that it supported the
5392 		 * ATA Information VPD page.  If the ATA IDENTIFY
5393 		 * succeeded, and the SAT layer doesn't support
5394 		 * ZBC -> ZAC translation, continue on to get the
5395 		 * directory of ATA logs, and complete the rest of
5396 		 * the ZAC probe.  If the SAT layer does support
5397 		 * ZBC -> ZAC translation, we want to use that,
5398 		 * and we'll probe the SCSI Zoned Block Device
5399 		 * Characteristics VPD page next.
5400 		 */
5401 		if ((error == 0)
5402 		 && (softc->flags & DA_FLAG_CAN_ATA_LOG)
5403 		 && (softc->zone_interface == DA_ZONE_IF_ATA_PASS))
5404 			softc->state = DA_STATE_PROBE_ATA_LOGDIR;
5405 		else
5406 			softc->state = DA_STATE_PROBE_ZONE;
5407 		continue_probe = 1;
5408 	}
5409 	if (continue_probe != 0) {
5410 		xpt_schedule(periph, priority);
5411 		xpt_release_ccb(done_ccb);
5412 		return;
5413 	} else
5414 		daprobedone(periph, done_ccb);
5415 	return;
5416 }
5417 
5418 static void
5419 dadone_probeatalogdir(struct cam_periph *periph, union ccb *done_ccb)
5420 {
5421 	struct da_softc *softc;
5422 	struct ccb_scsiio *csio;
5423 	u_int32_t  priority;
5424 	int error;
5425 
5426 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatalogdir\n"));
5427 
5428 	softc = (struct da_softc *)periph->softc;
5429 	priority = done_ccb->ccb_h.pinfo.priority;
5430 	csio = &done_ccb->csio;
5431 
5432 	cam_periph_assert(periph, MA_OWNED);
5433 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5434 		error = 0;
5435 		softc->valid_logdir_len = 0;
5436 		bzero(&softc->ata_logdir, sizeof(softc->ata_logdir));
5437 		softc->valid_logdir_len = csio->dxfer_len - csio->resid;
5438 		if (softc->valid_logdir_len > 0)
5439 			bcopy(csio->data_ptr, &softc->ata_logdir,
5440 			    min(softc->valid_logdir_len,
5441 				sizeof(softc->ata_logdir)));
5442 		/*
5443 		 * Figure out whether the Identify Device log is
5444 		 * supported.  The General Purpose log directory
5445 		 * has a header, and lists the number of pages
5446 		 * available for each GP log identified by the
5447 		 * offset into the list.
5448 		 */
5449 		if ((softc->valid_logdir_len >=
5450 		    ((ATA_IDENTIFY_DATA_LOG + 1) * sizeof(uint16_t)))
5451 		 && (le16dec(softc->ata_logdir.header) ==
5452 		     ATA_GP_LOG_DIR_VERSION)
5453 		 && (le16dec(&softc->ata_logdir.num_pages[
5454 		     (ATA_IDENTIFY_DATA_LOG *
5455 		     sizeof(uint16_t)) - sizeof(uint16_t)]) > 0)){
5456 			softc->flags |= DA_FLAG_CAN_ATA_IDLOG;
5457 		} else {
5458 			softc->flags &= ~DA_FLAG_CAN_ATA_IDLOG;
5459 		}
5460 	} else {
5461 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5462 				SF_RETRY_UA|SF_NO_PRINT);
5463 		if (error == ERESTART)
5464 			return;
5465 		else if (error != 0) {
5466 			/*
5467 			 * If we can't get the ATA log directory,
5468 			 * then ATA logs are effectively not
5469 			 * supported even if the bit is set in the
5470 			 * identify data.
5471 			 */
5472 			softc->flags &= ~(DA_FLAG_CAN_ATA_LOG |
5473 					  DA_FLAG_CAN_ATA_IDLOG);
5474 			if ((done_ccb->ccb_h.status &
5475 			     CAM_DEV_QFRZN) != 0) {
5476 				/* Don't wedge this device's queue */
5477 				cam_release_devq(done_ccb->ccb_h.path,
5478 						 /*relsim_flags*/0,
5479 						 /*reduction*/0,
5480 						 /*timeout*/0,
5481 						 /*getcount_only*/0);
5482 			}
5483 		}
5484 	}
5485 
5486 	free(csio->data_ptr, M_SCSIDA);
5487 
5488 	if ((error == 0)
5489 	 && (softc->flags & DA_FLAG_CAN_ATA_IDLOG)) {
5490 		softc->state = DA_STATE_PROBE_ATA_IDDIR;
5491 		xpt_release_ccb(done_ccb);
5492 		xpt_schedule(periph, priority);
5493 		return;
5494 	}
5495 	daprobedone(periph, done_ccb);
5496 	return;
5497 }
5498 
5499 static void
5500 dadone_probeataiddir(struct cam_periph *periph, union ccb *done_ccb)
5501 {
5502 	struct da_softc *softc;
5503 	struct ccb_scsiio *csio;
5504 	u_int32_t  priority;
5505 	int error;
5506 
5507 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeataiddir\n"));
5508 
5509 	softc = (struct da_softc *)periph->softc;
5510 	priority = done_ccb->ccb_h.pinfo.priority;
5511 	csio = &done_ccb->csio;
5512 
5513 	cam_periph_assert(periph, MA_OWNED);
5514 
5515 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5516 		off_t entries_offset, max_entries;
5517 		error = 0;
5518 
5519 		softc->valid_iddir_len = 0;
5520 		bzero(&softc->ata_iddir, sizeof(softc->ata_iddir));
5521 		softc->flags &= ~(DA_FLAG_CAN_ATA_SUPCAP |
5522 				  DA_FLAG_CAN_ATA_ZONE);
5523 		softc->valid_iddir_len = csio->dxfer_len - csio->resid;
5524 		if (softc->valid_iddir_len > 0)
5525 			bcopy(csio->data_ptr, &softc->ata_iddir,
5526 			    min(softc->valid_iddir_len,
5527 				sizeof(softc->ata_iddir)));
5528 
5529 		entries_offset =
5530 		    __offsetof(struct ata_identify_log_pages,entries);
5531 		max_entries = softc->valid_iddir_len - entries_offset;
5532 		if ((softc->valid_iddir_len > (entries_offset + 1))
5533 		 && (le64dec(softc->ata_iddir.header) == ATA_IDLOG_REVISION)
5534 		 && (softc->ata_iddir.entry_count > 0)) {
5535 			int num_entries, i;
5536 
5537 			num_entries = softc->ata_iddir.entry_count;
5538 			num_entries = min(num_entries,
5539 			   softc->valid_iddir_len - entries_offset);
5540 			for (i = 0; i < num_entries && i < max_entries; i++) {
5541 				if (softc->ata_iddir.entries[i] ==
5542 				    ATA_IDL_SUP_CAP)
5543 					softc->flags |= DA_FLAG_CAN_ATA_SUPCAP;
5544 				else if (softc->ata_iddir.entries[i] ==
5545 					 ATA_IDL_ZDI)
5546 					softc->flags |= DA_FLAG_CAN_ATA_ZONE;
5547 
5548 				if ((softc->flags & DA_FLAG_CAN_ATA_SUPCAP)
5549 				 && (softc->flags & DA_FLAG_CAN_ATA_ZONE))
5550 					break;
5551 			}
5552 		}
5553 	} else {
5554 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5555 				SF_RETRY_UA|SF_NO_PRINT);
5556 		if (error == ERESTART)
5557 			return;
5558 		else if (error != 0) {
5559 			/*
5560 			 * If we can't get the ATA Identify Data log
5561 			 * directory, then it effectively isn't
5562 			 * supported even if the ATA Log directory
5563 			 * a non-zero number of pages present for
5564 			 * this log.
5565 			 */
5566 			softc->flags &= ~DA_FLAG_CAN_ATA_IDLOG;
5567 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5568 				/* Don't wedge this device's queue */
5569 				cam_release_devq(done_ccb->ccb_h.path,
5570 						 /*relsim_flags*/0,
5571 						 /*reduction*/0,
5572 						 /*timeout*/0,
5573 						 /*getcount_only*/0);
5574 			}
5575 		}
5576 	}
5577 
5578 	free(csio->data_ptr, M_SCSIDA);
5579 
5580 	if ((error == 0) && (softc->flags & DA_FLAG_CAN_ATA_SUPCAP)) {
5581 		softc->state = DA_STATE_PROBE_ATA_SUP;
5582 		xpt_release_ccb(done_ccb);
5583 		xpt_schedule(periph, priority);
5584 		return;
5585 	}
5586 	daprobedone(periph, done_ccb);
5587 	return;
5588 }
5589 
5590 static void
5591 dadone_probeatasup(struct cam_periph *periph, union ccb *done_ccb)
5592 {
5593 	struct da_softc *softc;
5594 	struct ccb_scsiio *csio;
5595 	u_int32_t  priority;
5596 	int error;
5597 
5598 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatasup\n"));
5599 
5600 	softc = (struct da_softc *)periph->softc;
5601 	priority = done_ccb->ccb_h.pinfo.priority;
5602 	csio = &done_ccb->csio;
5603 
5604 	cam_periph_assert(periph, MA_OWNED);
5605 
5606 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5607 		uint32_t valid_len;
5608 		size_t needed_size;
5609 		struct ata_identify_log_sup_cap *sup_cap;
5610 		error = 0;
5611 
5612 		sup_cap = (struct ata_identify_log_sup_cap *)csio->data_ptr;
5613 		valid_len = csio->dxfer_len - csio->resid;
5614 		needed_size = __offsetof(struct ata_identify_log_sup_cap,
5615 		    sup_zac_cap) + 1 + sizeof(sup_cap->sup_zac_cap);
5616 		if (valid_len >= needed_size) {
5617 			uint64_t zoned, zac_cap;
5618 
5619 			zoned = le64dec(sup_cap->zoned_cap);
5620 			if (zoned & ATA_ZONED_VALID) {
5621 				/*
5622 				 * This should have already been
5623 				 * set, because this is also in the
5624 				 * ATA identify data.
5625 				 */
5626 				if ((zoned & ATA_ZONED_MASK) ==
5627 				    ATA_SUPPORT_ZONE_HOST_AWARE)
5628 					softc->zone_mode = DA_ZONE_HOST_AWARE;
5629 				else if ((zoned & ATA_ZONED_MASK) ==
5630 				    ATA_SUPPORT_ZONE_DEV_MANAGED)
5631 					softc->zone_mode =
5632 					    DA_ZONE_DRIVE_MANAGED;
5633 			}
5634 
5635 			zac_cap = le64dec(sup_cap->sup_zac_cap);
5636 			if (zac_cap & ATA_SUP_ZAC_CAP_VALID) {
5637 				if (zac_cap & ATA_REPORT_ZONES_SUP)
5638 					softc->zone_flags |=
5639 					    DA_ZONE_FLAG_RZ_SUP;
5640 				if (zac_cap & ATA_ND_OPEN_ZONE_SUP)
5641 					softc->zone_flags |=
5642 					    DA_ZONE_FLAG_OPEN_SUP;
5643 				if (zac_cap & ATA_ND_CLOSE_ZONE_SUP)
5644 					softc->zone_flags |=
5645 					    DA_ZONE_FLAG_CLOSE_SUP;
5646 				if (zac_cap & ATA_ND_FINISH_ZONE_SUP)
5647 					softc->zone_flags |=
5648 					    DA_ZONE_FLAG_FINISH_SUP;
5649 				if (zac_cap & ATA_ND_RWP_SUP)
5650 					softc->zone_flags |=
5651 					    DA_ZONE_FLAG_RWP_SUP;
5652 			} else {
5653 				/*
5654 				 * This field was introduced in
5655 				 * ACS-4, r08 on April 28th, 2015.
5656 				 * If the drive firmware was written
5657 				 * to an earlier spec, it won't have
5658 				 * the field.  So, assume all
5659 				 * commands are supported.
5660 				 */
5661 				softc->zone_flags |= DA_ZONE_FLAG_SUP_MASK;
5662 			}
5663 		}
5664 	} else {
5665 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5666 				SF_RETRY_UA|SF_NO_PRINT);
5667 		if (error == ERESTART)
5668 			return;
5669 		else if (error != 0) {
5670 			/*
5671 			 * If we can't get the ATA Identify Data
5672 			 * Supported Capabilities page, clear the
5673 			 * flag...
5674 			 */
5675 			softc->flags &= ~DA_FLAG_CAN_ATA_SUPCAP;
5676 			/*
5677 			 * And clear zone capabilities.
5678 			 */
5679 			softc->zone_flags &= ~DA_ZONE_FLAG_SUP_MASK;
5680 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5681 				/* Don't wedge this device's queue */
5682 				cam_release_devq(done_ccb->ccb_h.path,
5683 						 /*relsim_flags*/0,
5684 						 /*reduction*/0,
5685 						 /*timeout*/0,
5686 						 /*getcount_only*/0);
5687 			}
5688 		}
5689 	}
5690 
5691 	free(csio->data_ptr, M_SCSIDA);
5692 
5693 	if ((error == 0) && (softc->flags & DA_FLAG_CAN_ATA_ZONE)) {
5694 		softc->state = DA_STATE_PROBE_ATA_ZONE;
5695 		xpt_release_ccb(done_ccb);
5696 		xpt_schedule(periph, priority);
5697 		return;
5698 	}
5699 	daprobedone(periph, done_ccb);
5700 	return;
5701 }
5702 
5703 static void
5704 dadone_probeatazone(struct cam_periph *periph, union ccb *done_ccb)
5705 {
5706 	struct da_softc *softc;
5707 	struct ccb_scsiio *csio;
5708 	int error;
5709 
5710 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatazone\n"));
5711 
5712 	softc = (struct da_softc *)periph->softc;
5713 	csio = &done_ccb->csio;
5714 
5715 	cam_periph_assert(periph, MA_OWNED);
5716 
5717 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5718 		struct ata_zoned_info_log *zi_log;
5719 		uint32_t valid_len;
5720 		size_t needed_size;
5721 
5722 		zi_log = (struct ata_zoned_info_log *)csio->data_ptr;
5723 
5724 		valid_len = csio->dxfer_len - csio->resid;
5725 		needed_size = __offsetof(struct ata_zoned_info_log,
5726 		    version_info) + 1 + sizeof(zi_log->version_info);
5727 		if (valid_len >= needed_size) {
5728 			uint64_t tmpvar;
5729 
5730 			tmpvar = le64dec(zi_log->zoned_cap);
5731 			if (tmpvar & ATA_ZDI_CAP_VALID) {
5732 				if (tmpvar & ATA_ZDI_CAP_URSWRZ)
5733 					softc->zone_flags |=
5734 					    DA_ZONE_FLAG_URSWRZ;
5735 				else
5736 					softc->zone_flags &=
5737 					    ~DA_ZONE_FLAG_URSWRZ;
5738 			}
5739 			tmpvar = le64dec(zi_log->optimal_seq_zones);
5740 			if (tmpvar & ATA_ZDI_OPT_SEQ_VALID) {
5741 				softc->zone_flags |= DA_ZONE_FLAG_OPT_SEQ_SET;
5742 				softc->optimal_seq_zones = (tmpvar &
5743 				    ATA_ZDI_OPT_SEQ_MASK);
5744 			} else {
5745 				softc->zone_flags &= ~DA_ZONE_FLAG_OPT_SEQ_SET;
5746 				softc->optimal_seq_zones = 0;
5747 			}
5748 
5749 			tmpvar =le64dec(zi_log->optimal_nonseq_zones);
5750 			if (tmpvar & ATA_ZDI_OPT_NS_VALID) {
5751 				softc->zone_flags |=
5752 				    DA_ZONE_FLAG_OPT_NONSEQ_SET;
5753 				softc->optimal_nonseq_zones =
5754 				    (tmpvar & ATA_ZDI_OPT_NS_MASK);
5755 			} else {
5756 				softc->zone_flags &=
5757 				    ~DA_ZONE_FLAG_OPT_NONSEQ_SET;
5758 				softc->optimal_nonseq_zones = 0;
5759 			}
5760 
5761 			tmpvar = le64dec(zi_log->max_seq_req_zones);
5762 			if (tmpvar & ATA_ZDI_MAX_SEQ_VALID) {
5763 				softc->zone_flags |= DA_ZONE_FLAG_MAX_SEQ_SET;
5764 				softc->max_seq_zones =
5765 				    (tmpvar & ATA_ZDI_MAX_SEQ_MASK);
5766 			} else {
5767 				softc->zone_flags &= ~DA_ZONE_FLAG_MAX_SEQ_SET;
5768 				softc->max_seq_zones = 0;
5769 			}
5770 		}
5771 	} else {
5772 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5773 				SF_RETRY_UA|SF_NO_PRINT);
5774 		if (error == ERESTART)
5775 			return;
5776 		else if (error != 0) {
5777 			softc->flags &= ~DA_FLAG_CAN_ATA_ZONE;
5778 			softc->flags &= ~DA_ZONE_FLAG_SET_MASK;
5779 
5780 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5781 				/* Don't wedge this device's queue */
5782 				cam_release_devq(done_ccb->ccb_h.path,
5783 						 /*relsim_flags*/0,
5784 						 /*reduction*/0,
5785 						 /*timeout*/0,
5786 						 /*getcount_only*/0);
5787 			}
5788 		}
5789 
5790 	}
5791 
5792 	free(csio->data_ptr, M_SCSIDA);
5793 
5794 	daprobedone(periph, done_ccb);
5795 	return;
5796 }
5797 
5798 static void
5799 dadone_probezone(struct cam_periph *periph, union ccb *done_ccb)
5800 {
5801 	struct da_softc *softc;
5802 	struct ccb_scsiio *csio;
5803 	int error;
5804 
5805 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probezone\n"));
5806 
5807 	softc = (struct da_softc *)periph->softc;
5808 	csio = &done_ccb->csio;
5809 
5810 	cam_periph_assert(periph, MA_OWNED);
5811 
5812 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5813 		uint32_t valid_len;
5814 		size_t needed_len;
5815 		struct scsi_vpd_zoned_bdc *zoned_bdc;
5816 
5817 		error = 0;
5818 		zoned_bdc = (struct scsi_vpd_zoned_bdc *)csio->data_ptr;
5819 		valid_len = csio->dxfer_len - csio->resid;
5820 		needed_len = __offsetof(struct scsi_vpd_zoned_bdc,
5821 		    max_seq_req_zones) + 1 +
5822 		    sizeof(zoned_bdc->max_seq_req_zones);
5823 		if ((valid_len >= needed_len)
5824 		 && (scsi_2btoul(zoned_bdc->page_length) >= SVPD_ZBDC_PL)) {
5825 			if (zoned_bdc->flags & SVPD_ZBDC_URSWRZ)
5826 				softc->zone_flags |= DA_ZONE_FLAG_URSWRZ;
5827 			else
5828 				softc->zone_flags &= ~DA_ZONE_FLAG_URSWRZ;
5829 			softc->optimal_seq_zones =
5830 			    scsi_4btoul(zoned_bdc->optimal_seq_zones);
5831 			softc->zone_flags |= DA_ZONE_FLAG_OPT_SEQ_SET;
5832 			softc->optimal_nonseq_zones = scsi_4btoul(
5833 			    zoned_bdc->optimal_nonseq_zones);
5834 			softc->zone_flags |= DA_ZONE_FLAG_OPT_NONSEQ_SET;
5835 			softc->max_seq_zones =
5836 			    scsi_4btoul(zoned_bdc->max_seq_req_zones);
5837 			softc->zone_flags |= DA_ZONE_FLAG_MAX_SEQ_SET;
5838 		}
5839 		/*
5840 		 * All of the zone commands are mandatory for SCSI
5841 		 * devices.
5842 		 *
5843 		 * XXX KDM this is valid as of September 2015.
5844 		 * Re-check this assumption once the SAT spec is
5845 		 * updated to support SCSI ZBC to ATA ZAC mapping.
5846 		 * Since ATA allows zone commands to be reported
5847 		 * as supported or not, this may not necessarily
5848 		 * be true for an ATA device behind a SAT (SCSI to
5849 		 * ATA Translation) layer.
5850 		 */
5851 		softc->zone_flags |= DA_ZONE_FLAG_SUP_MASK;
5852 	} else {
5853 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5854 				SF_RETRY_UA|SF_NO_PRINT);
5855 		if (error == ERESTART)
5856 			return;
5857 		else if (error != 0) {
5858 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5859 				/* Don't wedge this device's queue */
5860 				cam_release_devq(done_ccb->ccb_h.path,
5861 						 /*relsim_flags*/0,
5862 						 /*reduction*/0,
5863 						 /*timeout*/0,
5864 						 /*getcount_only*/0);
5865 			}
5866 		}
5867 	}
5868 
5869 	free(csio->data_ptr, M_SCSIDA);
5870 
5871 	daprobedone(periph, done_ccb);
5872 	return;
5873 }
5874 
5875 static void
5876 dadone_tur(struct cam_periph *periph, union ccb *done_ccb)
5877 {
5878 	struct da_softc *softc;
5879 	struct ccb_scsiio *csio;
5880 
5881 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_tur\n"));
5882 
5883 	softc = (struct da_softc *)periph->softc;
5884 	csio = &done_ccb->csio;
5885 
5886 	cam_periph_assert(periph, MA_OWNED);
5887 
5888 	if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
5889 
5890 		if (daerror(done_ccb, CAM_RETRY_SELTO,
5891 		    SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) == ERESTART)
5892 			return;	/* Will complete again, keep reference */
5893 		if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
5894 			cam_release_devq(done_ccb->ccb_h.path,
5895 					 /*relsim_flags*/0,
5896 					 /*reduction*/0,
5897 					 /*timeout*/0,
5898 					 /*getcount_only*/0);
5899 	}
5900 	softc->flags &= ~DA_FLAG_TUR_PENDING;
5901 	xpt_release_ccb(done_ccb);
5902 	da_periph_release_locked(periph, DA_REF_TUR);
5903 	return;
5904 }
5905 
5906 static void
5907 dareprobe(struct cam_periph *periph)
5908 {
5909 	struct da_softc	  *softc;
5910 	int status;
5911 
5912 	softc = (struct da_softc *)periph->softc;
5913 
5914 	cam_periph_assert(periph, MA_OWNED);
5915 
5916 	/* Probe in progress; don't interfere. */
5917 	if (softc->state != DA_STATE_NORMAL)
5918 		return;
5919 
5920 	status = da_periph_acquire(periph, DA_REF_REPROBE);
5921 	KASSERT(status == 0, ("dareprobe: cam_periph_acquire failed"));
5922 
5923 	softc->state = DA_STATE_PROBE_WP;
5924 	xpt_schedule(periph, CAM_PRIORITY_DEV);
5925 }
5926 
5927 static int
5928 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
5929 {
5930 	struct da_softc	  *softc;
5931 	struct cam_periph *periph;
5932 	int error, error_code, sense_key, asc, ascq;
5933 
5934 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
5935 	if (ccb->csio.bio != NULL)
5936 		biotrack(ccb->csio.bio, __func__);
5937 #endif
5938 
5939 	periph = xpt_path_periph(ccb->ccb_h.path);
5940 	softc = (struct da_softc *)periph->softc;
5941 
5942 	cam_periph_assert(periph, MA_OWNED);
5943 
5944 	/*
5945 	 * Automatically detect devices that do not support
5946 	 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
5947 	 */
5948 	error = 0;
5949 	if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
5950 		error = cmd6workaround(ccb);
5951 	} else if (scsi_extract_sense_ccb(ccb,
5952 	    &error_code, &sense_key, &asc, &ascq)) {
5953 		if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
5954 			error = cmd6workaround(ccb);
5955 		/*
5956 		 * If the target replied with CAPACITY DATA HAS CHANGED UA,
5957 		 * query the capacity and notify upper layers.
5958 		 */
5959 		else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5960 		    asc == 0x2A && ascq == 0x09) {
5961 			xpt_print(periph->path, "Capacity data has changed\n");
5962 			softc->flags &= ~DA_FLAG_PROBED;
5963 			dareprobe(periph);
5964 			sense_flags |= SF_NO_PRINT;
5965 		} else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5966 		    asc == 0x28 && ascq == 0x00) {
5967 			softc->flags &= ~DA_FLAG_PROBED;
5968 			disk_media_changed(softc->disk, M_NOWAIT);
5969 		} else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5970 		    asc == 0x3F && ascq == 0x03) {
5971 			xpt_print(periph->path, "INQUIRY 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_NOT_READY &&
5976 		    asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
5977 			softc->flags |= DA_FLAG_PACK_INVALID;
5978 			disk_media_gone(softc->disk, M_NOWAIT);
5979 		}
5980 	}
5981 	if (error == ERESTART)
5982 		return (ERESTART);
5983 
5984 #ifdef CAM_IO_STATS
5985 	switch (ccb->ccb_h.status & CAM_STATUS_MASK) {
5986 	case CAM_CMD_TIMEOUT:
5987 		softc->timeouts++;
5988 		break;
5989 	case CAM_REQ_ABORTED:
5990 	case CAM_REQ_CMP_ERR:
5991 	case CAM_REQ_TERMIO:
5992 	case CAM_UNREC_HBA_ERROR:
5993 	case CAM_DATA_RUN_ERR:
5994 		softc->errors++;
5995 		break;
5996 	default:
5997 		break;
5998 	}
5999 #endif
6000 
6001 	/*
6002 	 * XXX
6003 	 * Until we have a better way of doing pack validation,
6004 	 * don't treat UAs as errors.
6005 	 */
6006 	sense_flags |= SF_RETRY_UA;
6007 
6008 	if (softc->quirks & DA_Q_RETRY_BUSY)
6009 		sense_flags |= SF_RETRY_BUSY;
6010 	return(cam_periph_error(ccb, cam_flags, sense_flags));
6011 }
6012 
6013 static void
6014 damediapoll(void *arg)
6015 {
6016 	struct cam_periph *periph = arg;
6017 	struct da_softc *softc = periph->softc;
6018 
6019 	if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR) &&
6020 	    (softc->flags & DA_FLAG_TUR_PENDING) == 0 &&
6021 	    softc->state == DA_STATE_NORMAL &&
6022 	    LIST_EMPTY(&softc->pending_ccbs)) {
6023 		if (da_periph_acquire(periph, DA_REF_TUR) == 0) {
6024 			cam_iosched_set_work_flags(softc->cam_iosched, DA_WORK_TUR);
6025 			daschedule(periph);
6026 		}
6027 	}
6028 	/* Queue us up again */
6029 	if (da_poll_period != 0)
6030 		callout_schedule(&softc->mediapoll_c, da_poll_period * hz);
6031 }
6032 
6033 static void
6034 daprevent(struct cam_periph *periph, int action)
6035 {
6036 	struct	da_softc *softc;
6037 	union	ccb *ccb;
6038 	int	error;
6039 
6040 	cam_periph_assert(periph, MA_OWNED);
6041 	softc = (struct da_softc *)periph->softc;
6042 
6043 	if (((action == PR_ALLOW)
6044 	  && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
6045 	 || ((action == PR_PREVENT)
6046 	  && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
6047 		return;
6048 	}
6049 
6050 	ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
6051 
6052 	scsi_prevent(&ccb->csio,
6053 		     /*retries*/1,
6054 		     /*cbcfp*/NULL,
6055 		     MSG_SIMPLE_Q_TAG,
6056 		     action,
6057 		     SSD_FULL_SIZE,
6058 		     5000);
6059 
6060 	error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
6061 	    SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat);
6062 
6063 	if (error == 0) {
6064 		if (action == PR_ALLOW)
6065 			softc->flags &= ~DA_FLAG_PACK_LOCKED;
6066 		else
6067 			softc->flags |= DA_FLAG_PACK_LOCKED;
6068 	}
6069 
6070 	xpt_release_ccb(ccb);
6071 }
6072 
6073 static void
6074 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
6075 	  struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
6076 {
6077 	struct ccb_calc_geometry ccg;
6078 	struct da_softc *softc;
6079 	struct disk_params *dp;
6080 	u_int lbppbe, lalba;
6081 	int error;
6082 
6083 	softc = (struct da_softc *)periph->softc;
6084 
6085 	dp = &softc->params;
6086 	dp->secsize = block_len;
6087 	dp->sectors = maxsector + 1;
6088 	if (rcaplong != NULL) {
6089 		lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
6090 		lalba = scsi_2btoul(rcaplong->lalba_lbp);
6091 		lalba &= SRC16_LALBA_A;
6092 		if (rcaplong->prot & SRC16_PROT_EN)
6093 			softc->p_type = ((rcaplong->prot & SRC16_P_TYPE) >>
6094 			    SRC16_P_TYPE_SHIFT) + 1;
6095 		else
6096 			softc->p_type = 0;
6097 	} else {
6098 		lbppbe = 0;
6099 		lalba = 0;
6100 		softc->p_type = 0;
6101 	}
6102 
6103 	if (lbppbe > 0) {
6104 		dp->stripesize = block_len << lbppbe;
6105 		dp->stripeoffset = (dp->stripesize - block_len * lalba) %
6106 		    dp->stripesize;
6107 	} else if (softc->quirks & DA_Q_4K) {
6108 		dp->stripesize = 4096;
6109 		dp->stripeoffset = 0;
6110 	} else if (softc->unmap_gran != 0) {
6111 		dp->stripesize = block_len * softc->unmap_gran;
6112 		dp->stripeoffset = (dp->stripesize - block_len *
6113 		    softc->unmap_gran_align) % dp->stripesize;
6114 	} else {
6115 		dp->stripesize = 0;
6116 		dp->stripeoffset = 0;
6117 	}
6118 	/*
6119 	 * Have the controller provide us with a geometry
6120 	 * for this disk.  The only time the geometry
6121 	 * matters is when we boot and the controller
6122 	 * is the only one knowledgeable enough to come
6123 	 * up with something that will make this a bootable
6124 	 * device.
6125 	 */
6126 	xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
6127 	ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
6128 	ccg.block_size = dp->secsize;
6129 	ccg.volume_size = dp->sectors;
6130 	ccg.heads = 0;
6131 	ccg.secs_per_track = 0;
6132 	ccg.cylinders = 0;
6133 	xpt_action((union ccb*)&ccg);
6134 	if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
6135 		/*
6136 		 * We don't know what went wrong here- but just pick
6137 		 * a geometry so we don't have nasty things like divide
6138 		 * by zero.
6139 		 */
6140 		dp->heads = 255;
6141 		dp->secs_per_track = 255;
6142 		dp->cylinders = dp->sectors / (255 * 255);
6143 		if (dp->cylinders == 0) {
6144 			dp->cylinders = 1;
6145 		}
6146 	} else {
6147 		dp->heads = ccg.heads;
6148 		dp->secs_per_track = ccg.secs_per_track;
6149 		dp->cylinders = ccg.cylinders;
6150 	}
6151 
6152 	/*
6153 	 * If the user supplied a read capacity buffer, and if it is
6154 	 * different than the previous buffer, update the data in the EDT.
6155 	 * If it's the same, we don't bother.  This avoids sending an
6156 	 * update every time someone opens this device.
6157 	 */
6158 	if ((rcaplong != NULL)
6159 	 && (bcmp(rcaplong, &softc->rcaplong,
6160 		  min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
6161 		struct ccb_dev_advinfo cdai;
6162 
6163 		xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
6164 		cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
6165 		cdai.buftype = CDAI_TYPE_RCAPLONG;
6166 		cdai.flags = CDAI_FLAG_STORE;
6167 		cdai.bufsiz = rcap_len;
6168 		cdai.buf = (uint8_t *)rcaplong;
6169 		xpt_action((union ccb *)&cdai);
6170 		if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
6171 			cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
6172 		if (cdai.ccb_h.status != CAM_REQ_CMP) {
6173 			xpt_print(periph->path, "%s: failed to set read "
6174 				  "capacity advinfo\n", __func__);
6175 			/* Use cam_error_print() to decode the status */
6176 			cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
6177 					CAM_EPF_ALL);
6178 		} else {
6179 			bcopy(rcaplong, &softc->rcaplong,
6180 			      min(sizeof(softc->rcaplong), rcap_len));
6181 		}
6182 	}
6183 
6184 	softc->disk->d_sectorsize = softc->params.secsize;
6185 	softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
6186 	softc->disk->d_stripesize = softc->params.stripesize;
6187 	softc->disk->d_stripeoffset = softc->params.stripeoffset;
6188 	/* XXX: these are not actually "firmware" values, so they may be wrong */
6189 	softc->disk->d_fwsectors = softc->params.secs_per_track;
6190 	softc->disk->d_fwheads = softc->params.heads;
6191 	softc->disk->d_devstat->block_size = softc->params.secsize;
6192 	softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
6193 
6194 	error = disk_resize(softc->disk, M_NOWAIT);
6195 	if (error != 0)
6196 		xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error);
6197 }
6198 
6199 static void
6200 dasendorderedtag(void *arg)
6201 {
6202 	struct cam_periph *periph = arg;
6203 	struct da_softc *softc = periph->softc;
6204 
6205 	cam_periph_assert(periph, MA_OWNED);
6206 	if (da_send_ordered) {
6207 		if (!LIST_EMPTY(&softc->pending_ccbs)) {
6208 			if ((softc->flags & DA_FLAG_WAS_OTAG) == 0)
6209 				softc->flags |= DA_FLAG_NEED_OTAG;
6210 			softc->flags &= ~DA_FLAG_WAS_OTAG;
6211 		}
6212 	}
6213 
6214 	/* Queue us up again */
6215 	callout_reset(&softc->sendordered_c,
6216 	    (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
6217 	    dasendorderedtag, periph);
6218 }
6219 
6220 /*
6221  * Step through all DA peripheral drivers, and if the device is still open,
6222  * sync the disk cache to physical media.
6223  */
6224 static void
6225 dashutdown(void * arg, int howto)
6226 {
6227 	struct cam_periph *periph;
6228 	struct da_softc *softc;
6229 	union ccb *ccb;
6230 	int error;
6231 
6232 	CAM_PERIPH_FOREACH(periph, &dadriver) {
6233 		softc = (struct da_softc *)periph->softc;
6234 		if (SCHEDULER_STOPPED()) {
6235 			/* If we paniced with the lock held, do not recurse. */
6236 			if (!cam_periph_owned(periph) &&
6237 			    (softc->flags & DA_FLAG_OPEN)) {
6238 				dadump(softc->disk, NULL, 0, 0, 0);
6239 			}
6240 			continue;
6241 		}
6242 		cam_periph_lock(periph);
6243 
6244 		/*
6245 		 * We only sync the cache if the drive is still open, and
6246 		 * if the drive is capable of it..
6247 		 */
6248 		if (((softc->flags & DA_FLAG_OPEN) == 0)
6249 		 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
6250 			cam_periph_unlock(periph);
6251 			continue;
6252 		}
6253 
6254 		ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
6255 		scsi_synchronize_cache(&ccb->csio,
6256 				       /*retries*/0,
6257 				       /*cbfcnp*/NULL,
6258 				       MSG_SIMPLE_Q_TAG,
6259 				       /*begin_lba*/0, /* whole disk */
6260 				       /*lb_count*/0,
6261 				       SSD_FULL_SIZE,
6262 				       60 * 60 * 1000);
6263 
6264 		error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
6265 		    /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
6266 		    softc->disk->d_devstat);
6267 		if (error != 0)
6268 			xpt_print(periph->path, "Synchronize cache failed\n");
6269 		xpt_release_ccb(ccb);
6270 		cam_periph_unlock(periph);
6271 	}
6272 }
6273 
6274 #else /* !_KERNEL */
6275 
6276 /*
6277  * XXX These are only left out of the kernel build to silence warnings.  If,
6278  * for some reason these functions are used in the kernel, the ifdefs should
6279  * be moved so they are included both in the kernel and userland.
6280  */
6281 void
6282 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
6283 		 void (*cbfcnp)(struct cam_periph *, union ccb *),
6284 		 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
6285 		 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
6286 		 u_int32_t timeout)
6287 {
6288 	struct scsi_format_unit *scsi_cmd;
6289 
6290 	scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
6291 	scsi_cmd->opcode = FORMAT_UNIT;
6292 	scsi_cmd->byte2 = byte2;
6293 	scsi_ulto2b(ileave, scsi_cmd->interleave);
6294 
6295 	cam_fill_csio(csio,
6296 		      retries,
6297 		      cbfcnp,
6298 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6299 		      tag_action,
6300 		      data_ptr,
6301 		      dxfer_len,
6302 		      sense_len,
6303 		      sizeof(*scsi_cmd),
6304 		      timeout);
6305 }
6306 
6307 void
6308 scsi_read_defects(struct ccb_scsiio *csio, uint32_t retries,
6309 		  void (*cbfcnp)(struct cam_periph *, union ccb *),
6310 		  uint8_t tag_action, uint8_t list_format,
6311 		  uint32_t addr_desc_index, uint8_t *data_ptr,
6312 		  uint32_t dxfer_len, int minimum_cmd_size,
6313 		  uint8_t sense_len, uint32_t timeout)
6314 {
6315 	uint8_t cdb_len;
6316 
6317 	/*
6318 	 * These conditions allow using the 10 byte command.  Otherwise we
6319 	 * need to use the 12 byte command.
6320 	 */
6321 	if ((minimum_cmd_size <= 10)
6322 	 && (addr_desc_index == 0)
6323 	 && (dxfer_len <= SRDD10_MAX_LENGTH)) {
6324 		struct scsi_read_defect_data_10 *cdb10;
6325 
6326 		cdb10 = (struct scsi_read_defect_data_10 *)
6327 			&csio->cdb_io.cdb_bytes;
6328 
6329 		cdb_len = sizeof(*cdb10);
6330 		bzero(cdb10, cdb_len);
6331                 cdb10->opcode = READ_DEFECT_DATA_10;
6332                 cdb10->format = list_format;
6333                 scsi_ulto2b(dxfer_len, cdb10->alloc_length);
6334 	} else {
6335 		struct scsi_read_defect_data_12 *cdb12;
6336 
6337 		cdb12 = (struct scsi_read_defect_data_12 *)
6338 			&csio->cdb_io.cdb_bytes;
6339 
6340 		cdb_len = sizeof(*cdb12);
6341 		bzero(cdb12, cdb_len);
6342                 cdb12->opcode = READ_DEFECT_DATA_12;
6343                 cdb12->format = list_format;
6344                 scsi_ulto4b(dxfer_len, cdb12->alloc_length);
6345 		scsi_ulto4b(addr_desc_index, cdb12->address_descriptor_index);
6346 	}
6347 
6348 	cam_fill_csio(csio,
6349 		      retries,
6350 		      cbfcnp,
6351 		      /*flags*/ CAM_DIR_IN,
6352 		      tag_action,
6353 		      data_ptr,
6354 		      dxfer_len,
6355 		      sense_len,
6356 		      cdb_len,
6357 		      timeout);
6358 }
6359 
6360 void
6361 scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
6362 	      void (*cbfcnp)(struct cam_periph *, union ccb *),
6363 	      u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
6364 	      u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
6365 	      u_int32_t timeout)
6366 {
6367 	struct scsi_sanitize *scsi_cmd;
6368 
6369 	scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes;
6370 	scsi_cmd->opcode = SANITIZE;
6371 	scsi_cmd->byte2 = byte2;
6372 	scsi_cmd->control = control;
6373 	scsi_ulto2b(dxfer_len, scsi_cmd->length);
6374 
6375 	cam_fill_csio(csio,
6376 		      retries,
6377 		      cbfcnp,
6378 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6379 		      tag_action,
6380 		      data_ptr,
6381 		      dxfer_len,
6382 		      sense_len,
6383 		      sizeof(*scsi_cmd),
6384 		      timeout);
6385 }
6386 
6387 #endif /* _KERNEL */
6388 
6389 void
6390 scsi_zbc_out(struct ccb_scsiio *csio, uint32_t retries,
6391 	     void (*cbfcnp)(struct cam_periph *, union ccb *),
6392 	     uint8_t tag_action, uint8_t service_action, uint64_t zone_id,
6393 	     uint8_t zone_flags, uint8_t *data_ptr, uint32_t dxfer_len,
6394 	     uint8_t sense_len, uint32_t timeout)
6395 {
6396 	struct scsi_zbc_out *scsi_cmd;
6397 
6398 	scsi_cmd = (struct scsi_zbc_out *)&csio->cdb_io.cdb_bytes;
6399 	scsi_cmd->opcode = ZBC_OUT;
6400 	scsi_cmd->service_action = service_action;
6401 	scsi_u64to8b(zone_id, scsi_cmd->zone_id);
6402 	scsi_cmd->zone_flags = zone_flags;
6403 
6404 	cam_fill_csio(csio,
6405 		      retries,
6406 		      cbfcnp,
6407 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6408 		      tag_action,
6409 		      data_ptr,
6410 		      dxfer_len,
6411 		      sense_len,
6412 		      sizeof(*scsi_cmd),
6413 		      timeout);
6414 }
6415 
6416 void
6417 scsi_zbc_in(struct ccb_scsiio *csio, uint32_t retries,
6418 	    void (*cbfcnp)(struct cam_periph *, union ccb *),
6419 	    uint8_t tag_action, uint8_t service_action, uint64_t zone_start_lba,
6420 	    uint8_t zone_options, uint8_t *data_ptr, uint32_t dxfer_len,
6421 	    uint8_t sense_len, uint32_t timeout)
6422 {
6423 	struct scsi_zbc_in *scsi_cmd;
6424 
6425 	scsi_cmd = (struct scsi_zbc_in *)&csio->cdb_io.cdb_bytes;
6426 	scsi_cmd->opcode = ZBC_IN;
6427 	scsi_cmd->service_action = service_action;
6428 	scsi_ulto4b(dxfer_len, scsi_cmd->length);
6429 	scsi_u64to8b(zone_start_lba, scsi_cmd->zone_start_lba);
6430 	scsi_cmd->zone_options = zone_options;
6431 
6432 	cam_fill_csio(csio,
6433 		      retries,
6434 		      cbfcnp,
6435 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_IN : CAM_DIR_NONE,
6436 		      tag_action,
6437 		      data_ptr,
6438 		      dxfer_len,
6439 		      sense_len,
6440 		      sizeof(*scsi_cmd),
6441 		      timeout);
6442 
6443 }
6444 
6445 int
6446 scsi_ata_zac_mgmt_out(struct ccb_scsiio *csio, uint32_t retries,
6447 		      void (*cbfcnp)(struct cam_periph *, union ccb *),
6448 		      uint8_t tag_action, int use_ncq,
6449 		      uint8_t zm_action, uint64_t zone_id, uint8_t zone_flags,
6450 		      uint8_t *data_ptr, uint32_t dxfer_len,
6451 		      uint8_t *cdb_storage, size_t cdb_storage_len,
6452 		      uint8_t sense_len, uint32_t timeout)
6453 {
6454 	uint8_t command_out, protocol, ata_flags;
6455 	uint16_t features_out;
6456 	uint32_t sectors_out, auxiliary;
6457 	int retval;
6458 
6459 	retval = 0;
6460 
6461 	if (use_ncq == 0) {
6462 		command_out = ATA_ZAC_MANAGEMENT_OUT;
6463 		features_out = (zm_action & 0xf) | (zone_flags << 8);
6464 		ata_flags = AP_FLAG_BYT_BLOK_BLOCKS;
6465 		if (dxfer_len == 0) {
6466 			protocol = AP_PROTO_NON_DATA;
6467 			ata_flags |= AP_FLAG_TLEN_NO_DATA;
6468 			sectors_out = 0;
6469 		} else {
6470 			protocol = AP_PROTO_DMA;
6471 			ata_flags |= AP_FLAG_TLEN_SECT_CNT |
6472 				     AP_FLAG_TDIR_TO_DEV;
6473 			sectors_out = ((dxfer_len >> 9) & 0xffff);
6474 		}
6475 		auxiliary = 0;
6476 	} else {
6477 		ata_flags = AP_FLAG_BYT_BLOK_BLOCKS;
6478 		if (dxfer_len == 0) {
6479 			command_out = ATA_NCQ_NON_DATA;
6480 			features_out = ATA_NCQ_ZAC_MGMT_OUT;
6481 			/*
6482 			 * We're assuming the SCSI to ATA translation layer
6483 			 * will set the NCQ tag number in the tag field.
6484 			 * That isn't clear from the SAT-4 spec (as of rev 05).
6485 			 */
6486 			sectors_out = 0;
6487 			ata_flags |= AP_FLAG_TLEN_NO_DATA;
6488 		} else {
6489 			command_out = ATA_SEND_FPDMA_QUEUED;
6490 			/*
6491 			 * Note that we're defaulting to normal priority,
6492 			 * and assuming that the SCSI to ATA translation
6493 			 * layer will insert the NCQ tag number in the tag
6494 			 * field.  That isn't clear in the SAT-4 spec (as
6495 			 * of rev 05).
6496 			 */
6497 			sectors_out = ATA_SFPDMA_ZAC_MGMT_OUT << 8;
6498 
6499 			ata_flags |= AP_FLAG_TLEN_FEAT |
6500 				     AP_FLAG_TDIR_TO_DEV;
6501 
6502 			/*
6503 			 * For SEND FPDMA QUEUED, the transfer length is
6504 			 * encoded in the FEATURE register, and 0 means
6505 			 * that 65536 512 byte blocks are to be tranferred.
6506 			 * In practice, it seems unlikely that we'll see
6507 			 * a transfer that large, and it may confuse the
6508 			 * the SAT layer, because generally that means that
6509 			 * 0 bytes should be transferred.
6510 			 */
6511 			if (dxfer_len == (65536 * 512)) {
6512 				features_out = 0;
6513 			} else if (dxfer_len <= (65535 * 512)) {
6514 				features_out = ((dxfer_len >> 9) & 0xffff);
6515 			} else {
6516 				/* The transfer is too big. */
6517 				retval = 1;
6518 				goto bailout;
6519 			}
6520 
6521 		}
6522 
6523 		auxiliary = (zm_action & 0xf) | (zone_flags << 8);
6524 		protocol = AP_PROTO_FPDMA;
6525 	}
6526 
6527 	protocol |= AP_EXTEND;
6528 
6529 	retval = scsi_ata_pass(csio,
6530 	    retries,
6531 	    cbfcnp,
6532 	    /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6533 	    tag_action,
6534 	    /*protocol*/ protocol,
6535 	    /*ata_flags*/ ata_flags,
6536 	    /*features*/ features_out,
6537 	    /*sector_count*/ sectors_out,
6538 	    /*lba*/ zone_id,
6539 	    /*command*/ command_out,
6540 	    /*device*/ 0,
6541 	    /*icc*/ 0,
6542 	    /*auxiliary*/ auxiliary,
6543 	    /*control*/ 0,
6544 	    /*data_ptr*/ data_ptr,
6545 	    /*dxfer_len*/ dxfer_len,
6546 	    /*cdb_storage*/ cdb_storage,
6547 	    /*cdb_storage_len*/ cdb_storage_len,
6548 	    /*minimum_cmd_size*/ 0,
6549 	    /*sense_len*/ SSD_FULL_SIZE,
6550 	    /*timeout*/ timeout);
6551 
6552 bailout:
6553 
6554 	return (retval);
6555 }
6556 
6557 int
6558 scsi_ata_zac_mgmt_in(struct ccb_scsiio *csio, uint32_t retries,
6559 		     void (*cbfcnp)(struct cam_periph *, union ccb *),
6560 		     uint8_t tag_action, int use_ncq,
6561 		     uint8_t zm_action, uint64_t zone_id, uint8_t zone_flags,
6562 		     uint8_t *data_ptr, uint32_t dxfer_len,
6563 		     uint8_t *cdb_storage, size_t cdb_storage_len,
6564 		     uint8_t sense_len, uint32_t timeout)
6565 {
6566 	uint8_t command_out, protocol;
6567 	uint16_t features_out, sectors_out;
6568 	uint32_t auxiliary;
6569 	int ata_flags;
6570 	int retval;
6571 
6572 	retval = 0;
6573 	ata_flags = AP_FLAG_TDIR_FROM_DEV | AP_FLAG_BYT_BLOK_BLOCKS;
6574 
6575 	if (use_ncq == 0) {
6576 		command_out = ATA_ZAC_MANAGEMENT_IN;
6577 		/* XXX KDM put a macro here */
6578 		features_out = (zm_action & 0xf) | (zone_flags << 8);
6579 		sectors_out = dxfer_len >> 9; /* XXX KDM macro */
6580 		protocol = AP_PROTO_DMA;
6581 		ata_flags |= AP_FLAG_TLEN_SECT_CNT;
6582 		auxiliary = 0;
6583 	} else {
6584 		ata_flags |= AP_FLAG_TLEN_FEAT;
6585 
6586 		command_out = ATA_RECV_FPDMA_QUEUED;
6587 		sectors_out = ATA_RFPDMA_ZAC_MGMT_IN << 8;
6588 
6589 		/*
6590 		 * For RECEIVE FPDMA QUEUED, the transfer length is
6591 		 * encoded in the FEATURE register, and 0 means
6592 		 * that 65536 512 byte blocks are to be tranferred.
6593 		 * In practice, it seems unlikely that we'll see
6594 		 * a transfer that large, and it may confuse the
6595 		 * the SAT layer, because generally that means that
6596 		 * 0 bytes should be transferred.
6597 		 */
6598 		if (dxfer_len == (65536 * 512)) {
6599 			features_out = 0;
6600 		} else if (dxfer_len <= (65535 * 512)) {
6601 			features_out = ((dxfer_len >> 9) & 0xffff);
6602 		} else {
6603 			/* The transfer is too big. */
6604 			retval = 1;
6605 			goto bailout;
6606 		}
6607 		auxiliary = (zm_action & 0xf) | (zone_flags << 8),
6608 		protocol = AP_PROTO_FPDMA;
6609 	}
6610 
6611 	protocol |= AP_EXTEND;
6612 
6613 	retval = scsi_ata_pass(csio,
6614 	    retries,
6615 	    cbfcnp,
6616 	    /*flags*/ CAM_DIR_IN,
6617 	    tag_action,
6618 	    /*protocol*/ protocol,
6619 	    /*ata_flags*/ ata_flags,
6620 	    /*features*/ features_out,
6621 	    /*sector_count*/ sectors_out,
6622 	    /*lba*/ zone_id,
6623 	    /*command*/ command_out,
6624 	    /*device*/ 0,
6625 	    /*icc*/ 0,
6626 	    /*auxiliary*/ auxiliary,
6627 	    /*control*/ 0,
6628 	    /*data_ptr*/ data_ptr,
6629 	    /*dxfer_len*/ (dxfer_len >> 9) * 512, /* XXX KDM */
6630 	    /*cdb_storage*/ cdb_storage,
6631 	    /*cdb_storage_len*/ cdb_storage_len,
6632 	    /*minimum_cmd_size*/ 0,
6633 	    /*sense_len*/ SSD_FULL_SIZE,
6634 	    /*timeout*/ timeout);
6635 
6636 bailout:
6637 	return (retval);
6638 }
6639