xref: /freebsd/sys/cam/scsi/scsi_da.c (revision cc68614da8232d8baaca0ae0d0dd8f890f06623e)
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/reboot.h>
53 #include <sys/sbuf.h>
54 #include <geom/geom.h>
55 #include <geom/geom_disk.h>
56 #include <machine/atomic.h>
57 #endif /* _KERNEL */
58 
59 #ifndef _KERNEL
60 #include <stdio.h>
61 #include <string.h>
62 #endif /* _KERNEL */
63 
64 #include <cam/cam.h>
65 #include <cam/cam_ccb.h>
66 #include <cam/cam_periph.h>
67 #include <cam/cam_xpt_periph.h>
68 #ifdef _KERNEL
69 #include <cam/cam_xpt_internal.h>
70 #endif /* _KERNEL */
71 #include <cam/cam_sim.h>
72 #include <cam/cam_iosched.h>
73 
74 #include <cam/scsi/scsi_message.h>
75 #include <cam/scsi/scsi_da.h>
76 
77 #ifdef _KERNEL
78 /*
79  * Note that there are probe ordering dependencies here.  The order isn't
80  * controlled by this enumeration, but by explicit state transitions in
81  * dastart() and dadone().  Here are some of the dependencies:
82  *
83  * 1. RC should come first, before RC16, unless there is evidence that RC16
84  *    is supported.
85  * 2. BDC needs to come before any of the ATA probes, or the ZONE probe.
86  * 3. The ATA probes should go in this order:
87  *    ATA -> LOGDIR -> IDDIR -> SUP -> ATA_ZONE
88  */
89 typedef enum {
90 	DA_STATE_PROBE_WP,
91 	DA_STATE_PROBE_RC,
92 	DA_STATE_PROBE_RC16,
93 	DA_STATE_PROBE_LBP,
94 	DA_STATE_PROBE_BLK_LIMITS,
95 	DA_STATE_PROBE_BDC,
96 	DA_STATE_PROBE_ATA,
97 	DA_STATE_PROBE_ATA_LOGDIR,
98 	DA_STATE_PROBE_ATA_IDDIR,
99 	DA_STATE_PROBE_ATA_SUP,
100 	DA_STATE_PROBE_ATA_ZONE,
101 	DA_STATE_PROBE_ZONE,
102 	DA_STATE_NORMAL
103 } da_state;
104 
105 typedef enum {
106 	DA_FLAG_PACK_INVALID	= 0x000001,
107 	DA_FLAG_NEW_PACK	= 0x000002,
108 	DA_FLAG_PACK_LOCKED	= 0x000004,
109 	DA_FLAG_PACK_REMOVABLE	= 0x000008,
110 	DA_FLAG_ROTATING	= 0x000010,
111 	DA_FLAG_NEED_OTAG	= 0x000020,
112 	DA_FLAG_WAS_OTAG	= 0x000040,
113 	DA_FLAG_RETRY_UA	= 0x000080,
114 	DA_FLAG_OPEN		= 0x000100,
115 	DA_FLAG_SCTX_INIT	= 0x000200,
116 	DA_FLAG_CAN_RC16	= 0x000400,
117 	DA_FLAG_PROBED		= 0x000800,
118 	DA_FLAG_DIRTY		= 0x001000,
119 	DA_FLAG_ANNOUNCED	= 0x002000,
120 	DA_FLAG_CAN_ATA_DMA	= 0x004000,
121 	DA_FLAG_CAN_ATA_LOG	= 0x008000,
122 	DA_FLAG_CAN_ATA_IDLOG	= 0x010000,
123 	DA_FLAG_CAN_ATA_SUPCAP	= 0x020000,
124 	DA_FLAG_CAN_ATA_ZONE	= 0x040000,
125 	DA_FLAG_TUR_PENDING	= 0x080000,
126 	DA_FLAG_UNMAPPEDIO	= 0x100000
127 } da_flags;
128 #define DA_FLAG_STRING		\
129 	"\020"			\
130 	"\001PACK_INVALID"	\
131 	"\002NEW_PACK"		\
132 	"\003PACK_LOCKED"	\
133 	"\004PACK_REMOVABLE"	\
134 	"\005ROTATING"		\
135 	"\006NEED_OTAG"		\
136 	"\007WAS_OTAG"		\
137 	"\010RETRY_UA"		\
138 	"\011OPEN"		\
139 	"\012SCTX_INIT"		\
140 	"\013CAN_RC16"		\
141 	"\014PROBED"		\
142 	"\015DIRTY"		\
143 	"\016ANNOUCNED"		\
144 	"\017CAN_ATA_DMA"	\
145 	"\020CAN_ATA_LOG"	\
146 	"\021CAN_ATA_IDLOG"	\
147 	"\022CAN_ATA_SUPACP"	\
148 	"\023CAN_ATA_ZONE"	\
149 	"\024TUR_PENDING"	\
150 	"\025UNMAPPEDIO"
151 
152 typedef enum {
153 	DA_Q_NONE		= 0x00,
154 	DA_Q_NO_SYNC_CACHE	= 0x01,
155 	DA_Q_NO_6_BYTE		= 0x02,
156 	DA_Q_NO_PREVENT		= 0x04,
157 	DA_Q_4K			= 0x08,
158 	DA_Q_NO_RC16		= 0x10,
159 	DA_Q_NO_UNMAP		= 0x20,
160 	DA_Q_RETRY_BUSY		= 0x40,
161 	DA_Q_SMR_DM		= 0x80,
162 	DA_Q_STRICT_UNMAP	= 0x100,
163 	DA_Q_128KB		= 0x200
164 } da_quirks;
165 
166 #define DA_Q_BIT_STRING		\
167 	"\020"			\
168 	"\001NO_SYNC_CACHE"	\
169 	"\002NO_6_BYTE"		\
170 	"\003NO_PREVENT"	\
171 	"\0044K"		\
172 	"\005NO_RC16"		\
173 	"\006NO_UNMAP"		\
174 	"\007RETRY_BUSY"	\
175 	"\010SMR_DM"		\
176 	"\011STRICT_UNMAP"	\
177 	"\012128KB"
178 
179 typedef enum {
180 	DA_CCB_PROBE_RC		= 0x01,
181 	DA_CCB_PROBE_RC16	= 0x02,
182 	DA_CCB_PROBE_LBP	= 0x03,
183 	DA_CCB_PROBE_BLK_LIMITS	= 0x04,
184 	DA_CCB_PROBE_BDC	= 0x05,
185 	DA_CCB_PROBE_ATA	= 0x06,
186 	DA_CCB_BUFFER_IO	= 0x07,
187 	DA_CCB_DUMP		= 0x0A,
188 	DA_CCB_DELETE		= 0x0B,
189 	DA_CCB_TUR		= 0x0C,
190 	DA_CCB_PROBE_ZONE	= 0x0D,
191 	DA_CCB_PROBE_ATA_LOGDIR	= 0x0E,
192 	DA_CCB_PROBE_ATA_IDDIR	= 0x0F,
193 	DA_CCB_PROBE_ATA_SUP	= 0x10,
194 	DA_CCB_PROBE_ATA_ZONE	= 0x11,
195 	DA_CCB_PROBE_WP		= 0x12,
196 	DA_CCB_TYPE_MASK	= 0x1F,
197 	DA_CCB_RETRY_UA		= 0x20
198 } da_ccb_state;
199 
200 /*
201  * Order here is important for method choice
202  *
203  * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to
204  * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes
205  * using ATA_TRIM than the corresponding UNMAP results for a real world mysql
206  * import taking 5mins.
207  *
208  */
209 typedef enum {
210 	DA_DELETE_NONE,
211 	DA_DELETE_DISABLE,
212 	DA_DELETE_ATA_TRIM,
213 	DA_DELETE_UNMAP,
214 	DA_DELETE_WS16,
215 	DA_DELETE_WS10,
216 	DA_DELETE_ZERO,
217 	DA_DELETE_MIN = DA_DELETE_ATA_TRIM,
218 	DA_DELETE_MAX = DA_DELETE_ZERO
219 } da_delete_methods;
220 
221 /*
222  * For SCSI, host managed drives show up as a separate device type.  For
223  * ATA, host managed drives also have a different device signature.
224  * XXX KDM figure out the ATA host managed signature.
225  */
226 typedef enum {
227 	DA_ZONE_NONE		= 0x00,
228 	DA_ZONE_DRIVE_MANAGED	= 0x01,
229 	DA_ZONE_HOST_AWARE	= 0x02,
230 	DA_ZONE_HOST_MANAGED	= 0x03
231 } da_zone_mode;
232 
233 /*
234  * We distinguish between these interface cases in addition to the drive type:
235  * o ATA drive behind a SCSI translation layer that knows about ZBC/ZAC
236  * o ATA drive behind a SCSI translation layer that does not know about
237  *   ZBC/ZAC, and so needs to be managed via ATA passthrough.  In this
238  *   case, we would need to share the ATA code with the ada(4) driver.
239  * o SCSI drive.
240  */
241 typedef enum {
242 	DA_ZONE_IF_SCSI,
243 	DA_ZONE_IF_ATA_PASS,
244 	DA_ZONE_IF_ATA_SAT,
245 } da_zone_interface;
246 
247 typedef enum {
248 	DA_ZONE_FLAG_RZ_SUP		= 0x0001,
249 	DA_ZONE_FLAG_OPEN_SUP		= 0x0002,
250 	DA_ZONE_FLAG_CLOSE_SUP		= 0x0004,
251 	DA_ZONE_FLAG_FINISH_SUP		= 0x0008,
252 	DA_ZONE_FLAG_RWP_SUP		= 0x0010,
253 	DA_ZONE_FLAG_SUP_MASK		= (DA_ZONE_FLAG_RZ_SUP |
254 					   DA_ZONE_FLAG_OPEN_SUP |
255 					   DA_ZONE_FLAG_CLOSE_SUP |
256 					   DA_ZONE_FLAG_FINISH_SUP |
257 					   DA_ZONE_FLAG_RWP_SUP),
258 	DA_ZONE_FLAG_URSWRZ		= 0x0020,
259 	DA_ZONE_FLAG_OPT_SEQ_SET	= 0x0040,
260 	DA_ZONE_FLAG_OPT_NONSEQ_SET	= 0x0080,
261 	DA_ZONE_FLAG_MAX_SEQ_SET	= 0x0100,
262 	DA_ZONE_FLAG_SET_MASK		= (DA_ZONE_FLAG_OPT_SEQ_SET |
263 					   DA_ZONE_FLAG_OPT_NONSEQ_SET |
264 					   DA_ZONE_FLAG_MAX_SEQ_SET)
265 } da_zone_flags;
266 
267 static struct da_zone_desc {
268 	da_zone_flags value;
269 	const char *desc;
270 } da_zone_desc_table[] = {
271 	{DA_ZONE_FLAG_RZ_SUP, "Report Zones" },
272 	{DA_ZONE_FLAG_OPEN_SUP, "Open" },
273 	{DA_ZONE_FLAG_CLOSE_SUP, "Close" },
274 	{DA_ZONE_FLAG_FINISH_SUP, "Finish" },
275 	{DA_ZONE_FLAG_RWP_SUP, "Reset Write Pointer" },
276 };
277 
278 typedef void da_delete_func_t (struct cam_periph *periph, union ccb *ccb,
279 			      struct bio *bp);
280 static da_delete_func_t da_delete_trim;
281 static da_delete_func_t da_delete_unmap;
282 static da_delete_func_t da_delete_ws;
283 
284 static const void * da_delete_functions[] = {
285 	NULL,
286 	NULL,
287 	da_delete_trim,
288 	da_delete_unmap,
289 	da_delete_ws,
290 	da_delete_ws,
291 	da_delete_ws
292 };
293 
294 static const char *da_delete_method_names[] =
295     { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" };
296 static const char *da_delete_method_desc[] =
297     { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP",
298       "WRITE SAME(10) with UNMAP", "ZERO" };
299 
300 /* Offsets into our private area for storing information */
301 #define ccb_state	ppriv_field0
302 #define ccb_bp		ppriv_ptr1
303 
304 struct disk_params {
305 	u_int8_t  heads;
306 	u_int32_t cylinders;
307 	u_int8_t  secs_per_track;
308 	u_int32_t secsize;	/* Number of bytes/sector */
309 	u_int64_t sectors;	/* total number sectors */
310 	u_int     stripesize;
311 	u_int     stripeoffset;
312 };
313 
314 #define UNMAP_RANGE_MAX		0xffffffff
315 #define UNMAP_HEAD_SIZE		8
316 #define UNMAP_RANGE_SIZE	16
317 #define UNMAP_MAX_RANGES	2048 /* Protocol Max is 4095 */
318 #define UNMAP_BUF_SIZE		((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \
319 				UNMAP_HEAD_SIZE)
320 
321 #define WS10_MAX_BLKS		0xffff
322 #define WS16_MAX_BLKS		0xffffffff
323 #define ATA_TRIM_MAX_RANGES	((UNMAP_BUF_SIZE / \
324 	(ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE)
325 
326 #define DA_WORK_TUR		(1 << 16)
327 
328 typedef enum {
329 	DA_REF_OPEN = 1,
330 	DA_REF_OPEN_HOLD,
331 	DA_REF_CLOSE_HOLD,
332 	DA_REF_PROBE_HOLD,
333 	DA_REF_TUR,
334 	DA_REF_GEOM,
335 	DA_REF_SYSCTL,
336 	DA_REF_REPROBE,
337 	DA_REF_MAX		/* KEEP LAST */
338 } da_ref_token;
339 
340 struct da_softc {
341 	struct   cam_iosched_softc *cam_iosched;
342 	struct	 bio_queue_head delete_run_queue;
343 	LIST_HEAD(, ccb_hdr) pending_ccbs;
344 	int	 refcount;		/* Active xpt_action() calls */
345 	da_state state;
346 	da_flags flags;
347 	da_quirks quirks;
348 	int	 minimum_cmd_size;
349 	int	 mode_page;
350 	int	 error_inject;
351 	int	 trim_max_ranges;
352 	int	 delete_available;	/* Delete methods possibly available */
353 	da_zone_mode			zone_mode;
354 	da_zone_interface		zone_interface;
355 	da_zone_flags			zone_flags;
356 	struct ata_gp_log_dir		ata_logdir;
357 	int				valid_logdir_len;
358 	struct ata_identify_log_pages	ata_iddir;
359 	int				valid_iddir_len;
360 	uint64_t			optimal_seq_zones;
361 	uint64_t			optimal_nonseq_zones;
362 	uint64_t			max_seq_zones;
363 	u_int			maxio;
364 	uint32_t		unmap_max_ranges;
365 	uint32_t		unmap_max_lba; /* Max LBAs in UNMAP req */
366 	uint32_t		unmap_gran;
367 	uint32_t		unmap_gran_align;
368 	uint64_t		ws_max_blks;
369 	uint64_t		trim_count;
370 	uint64_t		trim_ranges;
371 	uint64_t		trim_lbas;
372 	da_delete_methods	delete_method_pref;
373 	da_delete_methods	delete_method;
374 	da_delete_func_t	*delete_func;
375 	int			p_type;
376 	struct	 disk_params params;
377 	struct	 disk *disk;
378 	struct task		sysctl_task;
379 	struct sysctl_ctx_list	sysctl_ctx;
380 	struct sysctl_oid	*sysctl_tree;
381 	struct callout		sendordered_c;
382 	uint64_t wwpn;
383 	uint8_t	 unmap_buf[UNMAP_BUF_SIZE];
384 	struct scsi_read_capacity_data_long rcaplong;
385 	struct callout		mediapoll_c;
386 	int			ref_flags[DA_REF_MAX];
387 #ifdef CAM_IO_STATS
388 	struct sysctl_ctx_list	sysctl_stats_ctx;
389 	struct sysctl_oid	*sysctl_stats_tree;
390 	u_int	errors;
391 	u_int	timeouts;
392 	u_int	invalidations;
393 #endif
394 #define DA_ANNOUNCETMP_SZ 160
395 	char			announce_temp[DA_ANNOUNCETMP_SZ];
396 #define DA_ANNOUNCE_SZ 400
397 	char			announcebuf[DA_ANNOUNCE_SZ];
398 };
399 
400 #define dadeleteflag(softc, delete_method, enable)			\
401 	if (enable) {							\
402 		softc->delete_available |= (1 << delete_method);	\
403 	} else {							\
404 		softc->delete_available &= ~(1 << delete_method);	\
405 	}
406 
407 static uma_zone_t da_ccb_zone;
408 
409 struct da_quirk_entry {
410 	struct scsi_inquiry_pattern inq_pat;
411 	da_quirks quirks;
412 };
413 
414 static const char quantum[] = "QUANTUM";
415 static const char microp[] = "MICROP";
416 
417 static struct da_quirk_entry da_quirk_table[] =
418 {
419 	/* SPI, FC devices */
420 	{
421 		/*
422 		 * Fujitsu M2513A MO drives.
423 		 * Tested devices: M2513A2 firmware versions 1200 & 1300.
424 		 * (dip switch selects whether T_DIRECT or T_OPTICAL device)
425 		 * Reported by: W.Scholten <whs@xs4all.nl>
426 		 */
427 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
428 		/*quirks*/ DA_Q_NO_SYNC_CACHE
429 	},
430 	{
431 		/* See above. */
432 		{T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
433 		/*quirks*/ DA_Q_NO_SYNC_CACHE
434 	},
435 	{
436 		/*
437 		 * This particular Fujitsu drive doesn't like the
438 		 * synchronize cache command.
439 		 * Reported by: Tom Jackson <toj@gorilla.net>
440 		 */
441 		{T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
442 		/*quirks*/ DA_Q_NO_SYNC_CACHE
443 	},
444 	{
445 		/*
446 		 * This drive doesn't like the synchronize cache command
447 		 * either.  Reported by: Matthew Jacob <mjacob@feral.com>
448 		 * in NetBSD PR kern/6027, August 24, 1998.
449 		 */
450 		{T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
451 		/*quirks*/ DA_Q_NO_SYNC_CACHE
452 	},
453 	{
454 		/*
455 		 * This drive doesn't like the synchronize cache command
456 		 * either.  Reported by: Hellmuth Michaelis (hm@kts.org)
457 		 * (PR 8882).
458 		 */
459 		{T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
460 		/*quirks*/ DA_Q_NO_SYNC_CACHE
461 	},
462 	{
463 		/*
464 		 * Doesn't like the synchronize cache command.
465 		 * Reported by: Blaz Zupan <blaz@gold.amis.net>
466 		 */
467 		{T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
468 		/*quirks*/ DA_Q_NO_SYNC_CACHE
469 	},
470 	{
471 		/*
472 		 * Doesn't like the synchronize cache command.
473 		 * Reported by: Blaz Zupan <blaz@gold.amis.net>
474 		 */
475 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
476 		/*quirks*/ DA_Q_NO_SYNC_CACHE
477 	},
478 	{
479 		/*
480 		 * Doesn't like the synchronize cache command.
481 		 */
482 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
483 		/*quirks*/ DA_Q_NO_SYNC_CACHE
484 	},
485 	{
486 		/*
487 		 * Doesn't like the synchronize cache command.
488 		 * Reported by: walter@pelissero.de
489 		 */
490 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"},
491 		/*quirks*/ DA_Q_NO_SYNC_CACHE
492 	},
493 	{
494 		/*
495 		 * Doesn't work correctly with 6 byte reads/writes.
496 		 * Returns illegal request, and points to byte 9 of the
497 		 * 6-byte CDB.
498 		 * Reported by:  Adam McDougall <bsdx@spawnet.com>
499 		 */
500 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
501 		/*quirks*/ DA_Q_NO_6_BYTE
502 	},
503 	{
504 		/* See above. */
505 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
506 		/*quirks*/ DA_Q_NO_6_BYTE
507 	},
508 	{
509 		/*
510 		 * Doesn't like the synchronize cache command.
511 		 * Reported by: walter@pelissero.de
512 		 */
513 		{T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"},
514 		/*quirks*/ DA_Q_NO_SYNC_CACHE
515 	},
516 	{
517 		/*
518 		 * The CISS RAID controllers do not support SYNC_CACHE
519 		 */
520 		{T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
521 		/*quirks*/ DA_Q_NO_SYNC_CACHE
522 	},
523 	{
524 		/*
525 		 * The STEC SSDs sometimes hang on UNMAP.
526 		 */
527 		{T_DIRECT, SIP_MEDIA_FIXED, "STEC", "*", "*"},
528 		/*quirks*/ DA_Q_NO_UNMAP
529 	},
530 	{
531 		/*
532 		 * VMware returns BUSY status when storage has transient
533 		 * connectivity problems, so better wait.
534 		 * Also VMware returns odd errors on misaligned UNMAPs.
535 		 */
536 		{T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*"},
537 		/*quirks*/ DA_Q_RETRY_BUSY | DA_Q_STRICT_UNMAP
538 	},
539 	/* USB mass storage devices supported by umass(4) */
540 	{
541 		/*
542 		 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
543 		 * PR: kern/51675
544 		 */
545 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
546 		/*quirks*/ DA_Q_NO_SYNC_CACHE
547 	},
548 	{
549 		/*
550 		 * Power Quotient Int. (PQI) USB flash key
551 		 * PR: kern/53067
552 		 */
553 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*",
554 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
555 	},
556 	{
557 		/*
558 		 * Creative Nomad MUVO mp3 player (USB)
559 		 * PR: kern/53094
560 		 */
561 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
562 		/*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
563 	},
564 	{
565 		/*
566 		 * Jungsoft NEXDISK USB flash key
567 		 * PR: kern/54737
568 		 */
569 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
570 		/*quirks*/ DA_Q_NO_SYNC_CACHE
571 	},
572 	{
573 		/*
574 		 * FreeDik USB Mini Data Drive
575 		 * PR: kern/54786
576 		 */
577 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive",
578 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
579 	},
580 	{
581 		/*
582 		 * Sigmatel USB Flash MP3 Player
583 		 * PR: kern/57046
584 		 */
585 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"},
586 		/*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
587 	},
588 	{
589 		/*
590 		 * Neuros USB Digital Audio Computer
591 		 * PR: kern/63645
592 		 */
593 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.",
594 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
595 	},
596 	{
597 		/*
598 		 * SEAGRAND NP-900 MP3 Player
599 		 * PR: kern/64563
600 		 */
601 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"},
602 		/*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
603 	},
604 	{
605 		/*
606 		 * iRiver iFP MP3 player (with UMS Firmware)
607 		 * PR: kern/54881, i386/63941, kern/66124
608 		 */
609 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
610 		/*quirks*/ DA_Q_NO_SYNC_CACHE
611 	},
612 	{
613 		/*
614 		 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
615 		 * PR: kern/70158
616 		 */
617 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"},
618 		/*quirks*/ DA_Q_NO_SYNC_CACHE
619 	},
620 	{
621 		/*
622 		 * ZICPlay USB MP3 Player with FM
623 		 * PR: kern/75057
624 		 */
625 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"},
626 		/*quirks*/ DA_Q_NO_SYNC_CACHE
627 	},
628 	{
629 		/*
630 		 * TEAC USB floppy mechanisms
631 		 */
632 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"},
633 		/*quirks*/ DA_Q_NO_SYNC_CACHE
634 	},
635 	{
636 		/*
637 		 * Kingston DataTraveler II+ USB Pen-Drive.
638 		 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org>
639 		 */
640 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+",
641 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
642 	},
643 	{
644 		/*
645 		 * USB DISK Pro PMAP
646 		 * Reported by: jhs
647 		 * PR: usb/96381
648 		 */
649 		{T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"},
650 		/*quirks*/ DA_Q_NO_SYNC_CACHE
651 	},
652 	{
653 		/*
654 		 * Motorola E398 Mobile Phone (TransFlash memory card).
655 		 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl>
656 		 * PR: usb/89889
657 		 */
658 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone",
659 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
660 	},
661 	{
662 		/*
663 		 * Qware BeatZkey! Pro
664 		 * PR: usb/79164
665 		 */
666 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE",
667 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
668 	},
669 	{
670 		/*
671 		 * Time DPA20B 1GB MP3 Player
672 		 * PR: usb/81846
673 		 */
674 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*",
675 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
676 	},
677 	{
678 		/*
679 		 * Samsung USB key 128Mb
680 		 * PR: usb/90081
681 		 */
682 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb",
683 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
684 	},
685 	{
686 		/*
687 		 * Kingston DataTraveler 2.0 USB Flash memory.
688 		 * PR: usb/89196
689 		 */
690 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0",
691 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
692 	},
693 	{
694 		/*
695 		 * Creative MUVO Slim mp3 player (USB)
696 		 * PR: usb/86131
697 		 */
698 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim",
699 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
700 		},
701 	{
702 		/*
703 		 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3)
704 		 * PR: usb/80487
705 		 */
706 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK",
707 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
708 	},
709 	{
710 		/*
711 		 * SanDisk Micro Cruzer 128MB
712 		 * PR: usb/75970
713 		 */
714 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer",
715 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
716 	},
717 	{
718 		/*
719 		 * TOSHIBA TransMemory USB sticks
720 		 * PR: kern/94660
721 		 */
722 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory",
723 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
724 	},
725 	{
726 		/*
727 		 * PNY USB 3.0 Flash Drives
728 		*/
729 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "PNY", "USB 3.0 FD*",
730 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_RC16
731 	},
732 	{
733 		/*
734 		 * PNY USB Flash keys
735 		 * PR: usb/75578, usb/72344, usb/65436
736 		 */
737 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*",
738 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
739 	},
740 	{
741 		/*
742 		 * Genesys GL3224
743 		 */
744 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
745 		"120?"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_4K | DA_Q_NO_RC16
746 	},
747 	{
748 		/*
749 		 * Genesys 6-in-1 Card Reader
750 		 * PR: usb/94647
751 		 */
752 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
753 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
754 	},
755 	{
756 		/*
757 		 * Rekam Digital CAMERA
758 		 * PR: usb/98713
759 		 */
760 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*",
761 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
762 	},
763 	{
764 		/*
765 		 * iRiver H10 MP3 player
766 		 * PR: usb/102547
767 		 */
768 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*",
769 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
770 	},
771 	{
772 		/*
773 		 * iRiver U10 MP3 player
774 		 * PR: usb/92306
775 		 */
776 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*",
777 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
778 	},
779 	{
780 		/*
781 		 * X-Micro Flash Disk
782 		 * PR: usb/96901
783 		 */
784 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk",
785 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
786 	},
787 	{
788 		/*
789 		 * EasyMP3 EM732X USB 2.0 Flash MP3 Player
790 		 * PR: usb/96546
791 		 */
792 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*",
793 		"1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
794 	},
795 	{
796 		/*
797 		 * Denver MP3 player
798 		 * PR: usb/107101
799 		 */
800 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER",
801 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
802 	},
803 	{
804 		/*
805 		 * Philips USB Key Audio KEY013
806 		 * PR: usb/68412
807 		 */
808 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"},
809 		/*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
810 	},
811 	{
812 		/*
813 		 * JNC MP3 Player
814 		 * PR: usb/94439
815 		 */
816 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*",
817 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
818 	},
819 	{
820 		/*
821 		 * SAMSUNG MP0402H
822 		 * PR: usb/108427
823 		 */
824 		{T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"},
825 		/*quirks*/ DA_Q_NO_SYNC_CACHE
826 	},
827 	{
828 		/*
829 		 * I/O Magic USB flash - Giga Bank
830 		 * PR: usb/108810
831 		 */
832 		{T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"},
833 		/*quirks*/ DA_Q_NO_SYNC_CACHE
834 	},
835 	{
836 		/*
837 		 * JoyFly 128mb USB Flash Drive
838 		 * PR: 96133
839 		 */
840 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*",
841 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
842 	},
843 	{
844 		/*
845 		 * ChipsBnk usb stick
846 		 * PR: 103702
847 		 */
848 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*",
849 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
850 	},
851 	{
852 		/*
853 		 * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A
854 		 * PR: 129858
855 		 */
856 		{T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*",
857 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
858 	},
859 	{
860 		/*
861 		 * Samsung YP-U3 mp3-player
862 		 * PR: 125398
863 		 */
864 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3",
865 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
866 	},
867 	{
868 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*",
869 		 "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
870 	},
871 	{
872 		/*
873 		 * Sony Cyber-Shot DSC cameras
874 		 * PR: usb/137035
875 		 */
876 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
877 		/*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
878 	},
879 	{
880 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3",
881 		 "1.00"}, /*quirks*/ DA_Q_NO_PREVENT
882 	},
883 	{
884 		/* At least several Transcent USB sticks lie on RC16. */
885 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "JetFlash", "Transcend*",
886 		 "*"}, /*quirks*/ DA_Q_NO_RC16
887 	},
888 	{
889 		/*
890 		 * I-O Data USB Flash Disk
891 		 * PR: usb/211716
892 		 */
893 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "I-O DATA", "USB Flash Disk*",
894 		 "*"}, /*quirks*/ DA_Q_NO_RC16
895 	},
896 	{
897 		/*
898 		 * SLC CHIPFANCIER USB drives
899 		 * PR: usb/234503 (RC10 right, RC16 wrong)
900 		 * 16GB, 32GB and 128GB confirmed to have same issue
901 		 */
902 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "*SLC", "CHIPFANCIER",
903 		 "*"}, /*quirks*/ DA_Q_NO_RC16
904        },
905 	/* ATA/SATA devices over SAS/USB/... */
906 	{
907 		/* Sandisk X400 */
908 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SanDisk SD8SB8U1*", "*" },
909 		/*quirks*/DA_Q_128KB
910 	},
911 	{
912 		/* Hitachi Advanced Format (4k) drives */
913 		{ T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" },
914 		/*quirks*/DA_Q_4K
915 	},
916 	{
917 		/* Micron Advanced Format (4k) drives */
918 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Micron 5100 MTFDDAK*", "*" },
919 		/*quirks*/DA_Q_4K
920 	},
921 	{
922 		/* Samsung Advanced Format (4k) drives */
923 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" },
924 		/*quirks*/DA_Q_4K
925 	},
926 	{
927 		/* Samsung Advanced Format (4k) drives */
928 		{ T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" },
929 		/*quirks*/DA_Q_4K
930 	},
931 	{
932 		/* Samsung Advanced Format (4k) drives */
933 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" },
934 		/*quirks*/DA_Q_4K
935 	},
936 	{
937 		/* Samsung Advanced Format (4k) drives */
938 		{ T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" },
939 		/*quirks*/DA_Q_4K
940 	},
941 	{
942 		/* Seagate Barracuda Green Advanced Format (4k) drives */
943 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" },
944 		/*quirks*/DA_Q_4K
945 	},
946 	{
947 		/* Seagate Barracuda Green Advanced Format (4k) drives */
948 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" },
949 		/*quirks*/DA_Q_4K
950 	},
951 	{
952 		/* Seagate Barracuda Green Advanced Format (4k) drives */
953 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" },
954 		/*quirks*/DA_Q_4K
955 	},
956 	{
957 		/* Seagate Barracuda Green Advanced Format (4k) drives */
958 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" },
959 		/*quirks*/DA_Q_4K
960 	},
961 	{
962 		/* Seagate Barracuda Green Advanced Format (4k) drives */
963 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" },
964 		/*quirks*/DA_Q_4K
965 	},
966 	{
967 		/* Seagate Barracuda Green Advanced Format (4k) drives */
968 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" },
969 		/*quirks*/DA_Q_4K
970 	},
971 	{
972 		/* Seagate Momentus Advanced Format (4k) drives */
973 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" },
974 		/*quirks*/DA_Q_4K
975 	},
976 	{
977 		/* Seagate Momentus Advanced Format (4k) drives */
978 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" },
979 		/*quirks*/DA_Q_4K
980 	},
981 	{
982 		/* Seagate Momentus Advanced Format (4k) drives */
983 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" },
984 		/*quirks*/DA_Q_4K
985 	},
986 	{
987 		/* Seagate Momentus Advanced Format (4k) drives */
988 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" },
989 		/*quirks*/DA_Q_4K
990 	},
991 	{
992 		/* Seagate Momentus Advanced Format (4k) drives */
993 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" },
994 		/*quirks*/DA_Q_4K
995 	},
996 	{
997 		/* Seagate Momentus Advanced Format (4k) drives */
998 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" },
999 		/*quirks*/DA_Q_4K
1000 	},
1001 	{
1002 		/* Seagate Momentus Advanced Format (4k) drives */
1003 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" },
1004 		/*quirks*/DA_Q_4K
1005 	},
1006 	{
1007 		/* Seagate Momentus Advanced Format (4k) drives */
1008 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" },
1009 		/*quirks*/DA_Q_4K
1010 	},
1011 	{
1012 		/* Seagate Momentus Advanced Format (4k) drives */
1013 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" },
1014 		/*quirks*/DA_Q_4K
1015 	},
1016 	{
1017 		/* Seagate Momentus Advanced Format (4k) drives */
1018 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" },
1019 		/*quirks*/DA_Q_4K
1020 	},
1021 	{
1022 		/* Seagate Momentus Advanced Format (4k) drives */
1023 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" },
1024 		/*quirks*/DA_Q_4K
1025 	},
1026 	{
1027 		/* Seagate Momentus Advanced Format (4k) drives */
1028 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" },
1029 		/*quirks*/DA_Q_4K
1030 	},
1031 	{
1032 		/* Seagate Momentus Advanced Format (4k) drives */
1033 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" },
1034 		/*quirks*/DA_Q_4K
1035 	},
1036 	{
1037 		/* Seagate Momentus Advanced Format (4k) drives */
1038 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" },
1039 		/*quirks*/DA_Q_4K
1040 	},
1041 	{
1042 		/* Seagate Momentus Thin Advanced Format (4k) drives */
1043 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" },
1044 		/*quirks*/DA_Q_4K
1045 	},
1046 	{
1047 		/* Seagate Momentus Thin Advanced Format (4k) drives */
1048 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" },
1049 		/*quirks*/DA_Q_4K
1050 	},
1051 	{
1052 		/* WDC Caviar Green Advanced Format (4k) drives */
1053 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" },
1054 		/*quirks*/DA_Q_4K
1055 	},
1056 	{
1057 		/* WDC Caviar Green Advanced Format (4k) drives */
1058 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" },
1059 		/*quirks*/DA_Q_4K
1060 	},
1061 	{
1062 		/* WDC Caviar Green Advanced Format (4k) drives */
1063 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" },
1064 		/*quirks*/DA_Q_4K
1065 	},
1066 	{
1067 		/* WDC Caviar Green Advanced Format (4k) drives */
1068 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" },
1069 		/*quirks*/DA_Q_4K
1070 	},
1071 	{
1072 		/* WDC Caviar Green Advanced Format (4k) drives */
1073 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" },
1074 		/*quirks*/DA_Q_4K
1075 	},
1076 	{
1077 		/* WDC Caviar Green Advanced Format (4k) drives */
1078 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" },
1079 		/*quirks*/DA_Q_4K
1080 	},
1081 	{
1082 		/* WDC Caviar Green Advanced Format (4k) drives */
1083 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" },
1084 		/*quirks*/DA_Q_4K
1085 	},
1086 	{
1087 		/* WDC Caviar Green Advanced Format (4k) drives */
1088 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" },
1089 		/*quirks*/DA_Q_4K
1090 	},
1091 	{
1092 		/* WDC Scorpio Black Advanced Format (4k) drives */
1093 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" },
1094 		/*quirks*/DA_Q_4K
1095 	},
1096 	{
1097 		/* WDC Scorpio Black Advanced Format (4k) drives */
1098 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" },
1099 		/*quirks*/DA_Q_4K
1100 	},
1101 	{
1102 		/* WDC Scorpio Black Advanced Format (4k) drives */
1103 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" },
1104 		/*quirks*/DA_Q_4K
1105 	},
1106 	{
1107 		/* WDC Scorpio Black Advanced Format (4k) drives */
1108 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" },
1109 		/*quirks*/DA_Q_4K
1110 	},
1111 	{
1112 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1113 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" },
1114 		/*quirks*/DA_Q_4K
1115 	},
1116 	{
1117 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1118 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" },
1119 		/*quirks*/DA_Q_4K
1120 	},
1121 	{
1122 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1123 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" },
1124 		/*quirks*/DA_Q_4K
1125 	},
1126 	{
1127 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1128 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" },
1129 		/*quirks*/DA_Q_4K
1130 	},
1131 	{
1132 		/*
1133 		 * Olympus digital cameras (C-3040ZOOM, C-2040ZOOM, C-1)
1134 		 * PR: usb/97472
1135 		 */
1136 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "C*", "*"},
1137 		/*quirks*/ DA_Q_NO_6_BYTE | DA_Q_NO_SYNC_CACHE
1138 	},
1139 	{
1140 		/*
1141 		 * Olympus digital cameras (D-370)
1142 		 * PR: usb/97472
1143 		 */
1144 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "D*", "*"},
1145 		/*quirks*/ DA_Q_NO_6_BYTE
1146 	},
1147 	{
1148 		/*
1149 		 * Olympus digital cameras (E-100RS, E-10).
1150 		 * PR: usb/97472
1151 		 */
1152 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "E*", "*"},
1153 		/*quirks*/ DA_Q_NO_6_BYTE | DA_Q_NO_SYNC_CACHE
1154 	},
1155 	{
1156 		/*
1157 		 * Olympus FE-210 camera
1158 		 */
1159 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*",
1160 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1161 	},
1162 	{
1163 		/*
1164 		* Pentax Digital Camera
1165 		* PR: usb/93389
1166 		*/
1167 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "PENTAX", "DIGITAL CAMERA",
1168 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1169 	},
1170 	{
1171 		/*
1172 		 * LG UP3S MP3 player
1173 		 */
1174 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S",
1175 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1176 	},
1177 	{
1178 		/*
1179 		 * Laser MP3-2GA13 MP3 player
1180 		 */
1181 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk",
1182 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1183 	},
1184 	{
1185 		/*
1186 		 * LaCie external 250GB Hard drive des by Porsche
1187 		 * Submitted by: Ben Stuyts <ben@altesco.nl>
1188 		 * PR: 121474
1189 		 */
1190 		{T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"},
1191 		/*quirks*/ DA_Q_NO_SYNC_CACHE
1192 	},
1193 	/* SATA SSDs */
1194 	{
1195 		/*
1196 		 * Corsair Force 2 SSDs
1197 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1198 		 */
1199 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair CSSD-F*", "*" },
1200 		/*quirks*/DA_Q_4K
1201 	},
1202 	{
1203 		/*
1204 		 * Corsair Force 3 SSDs
1205 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1206 		 */
1207 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force 3*", "*" },
1208 		/*quirks*/DA_Q_4K
1209 	},
1210         {
1211 		/*
1212 		 * Corsair Neutron GTX SSDs
1213 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1214 		 */
1215 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" },
1216 		/*quirks*/DA_Q_4K
1217 	},
1218 	{
1219 		/*
1220 		 * Corsair Force GT & GS SSDs
1221 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1222 		 */
1223 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force G*", "*" },
1224 		/*quirks*/DA_Q_4K
1225 	},
1226 	{
1227 		/*
1228 		 * Crucial M4 SSDs
1229 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1230 		 */
1231 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "M4-CT???M4SSD2*", "*" },
1232 		/*quirks*/DA_Q_4K
1233 	},
1234 	{
1235 		/*
1236 		 * Crucial RealSSD C300 SSDs
1237 		 * 4k optimised
1238 		 */
1239 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "C300-CTFDDAC???MAG*",
1240 		"*" }, /*quirks*/DA_Q_4K
1241 	},
1242 	{
1243 		/*
1244 		 * Intel 320 Series SSDs
1245 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1246 		 */
1247 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2CW*", "*" },
1248 		/*quirks*/DA_Q_4K
1249 	},
1250 	{
1251 		/*
1252 		 * Intel 330 Series SSDs
1253 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1254 		 */
1255 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2CT*", "*" },
1256 		/*quirks*/DA_Q_4K
1257 	},
1258 	{
1259 		/*
1260 		 * Intel 510 Series SSDs
1261 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1262 		 */
1263 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2MH*", "*" },
1264 		/*quirks*/DA_Q_4K
1265 	},
1266 	{
1267 		/*
1268 		 * Intel 520 Series SSDs
1269 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1270 		 */
1271 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BW*", "*" },
1272 		/*quirks*/DA_Q_4K
1273 	},
1274 	{
1275 		/*
1276 		 * Intel S3610 Series SSDs
1277 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1278 		 */
1279 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BX*", "*" },
1280 		/*quirks*/DA_Q_4K
1281 	},
1282 	{
1283 		/*
1284 		 * Intel X25-M Series SSDs
1285 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1286 		 */
1287 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2M*", "*" },
1288 		/*quirks*/DA_Q_4K
1289 	},
1290 	{
1291 		/*
1292 		 * Kingston E100 Series SSDs
1293 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1294 		 */
1295 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SE100S3*", "*" },
1296 		/*quirks*/DA_Q_4K
1297 	},
1298 	{
1299 		/*
1300 		 * Kingston HyperX 3k SSDs
1301 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1302 		 */
1303 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SH103S3*", "*" },
1304 		/*quirks*/DA_Q_4K
1305 	},
1306 	{
1307 		/*
1308 		 * Marvell SSDs (entry taken from OpenSolaris)
1309 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1310 		 */
1311 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MARVELL SD88SA02*", "*" },
1312 		/*quirks*/DA_Q_4K
1313 	},
1314 	{
1315 		/*
1316 		 * OCZ Agility 2 SSDs
1317 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1318 		 */
1319 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" },
1320 		/*quirks*/DA_Q_4K
1321 	},
1322 	{
1323 		/*
1324 		 * OCZ Agility 3 SSDs
1325 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1326 		 */
1327 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-AGILITY3*", "*" },
1328 		/*quirks*/DA_Q_4K
1329 	},
1330 	{
1331 		/*
1332 		 * OCZ Deneva R Series SSDs
1333 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1334 		 */
1335 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "DENRSTE251M45*", "*" },
1336 		/*quirks*/DA_Q_4K
1337 	},
1338 	{
1339 		/*
1340 		 * OCZ Vertex 2 SSDs (inc pro series)
1341 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1342 		 */
1343 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ?VERTEX2*", "*" },
1344 		/*quirks*/DA_Q_4K
1345 	},
1346 	{
1347 		/*
1348 		 * OCZ Vertex 3 SSDs
1349 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1350 		 */
1351 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX3*", "*" },
1352 		/*quirks*/DA_Q_4K
1353 	},
1354 	{
1355 		/*
1356 		 * OCZ Vertex 4 SSDs
1357 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1358 		 */
1359 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX4*", "*" },
1360 		/*quirks*/DA_Q_4K
1361 	},
1362 	{
1363 		/*
1364 		 * Samsung 750 Series SSDs
1365 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1366 		 */
1367 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 750*", "*" },
1368 		/*quirks*/DA_Q_4K
1369 	},
1370 	{
1371 		/*
1372 		 * Samsung 830 Series SSDs
1373 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1374 		 */
1375 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG SSD 830 Series*", "*" },
1376 		/*quirks*/DA_Q_4K
1377 	},
1378 	{
1379 		/*
1380 		 * Samsung 840 SSDs
1381 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1382 		 */
1383 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 840*", "*" },
1384 		/*quirks*/DA_Q_4K
1385 	},
1386 	{
1387 		/*
1388 		 * Samsung 845 SSDs
1389 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1390 		 */
1391 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 845*", "*" },
1392 		/*quirks*/DA_Q_4K
1393 	},
1394 	{
1395 		/*
1396 		 * Samsung 850 SSDs
1397 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1398 		 */
1399 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 850*", "*" },
1400 		/*quirks*/DA_Q_4K
1401 	},
1402 	{
1403 		/*
1404 		 * Samsung 843T Series SSDs (MZ7WD*)
1405 		 * Samsung PM851 Series SSDs (MZ7TE*)
1406 		 * Samsung PM853T Series SSDs (MZ7GE*)
1407 		 * Samsung SM863 Series SSDs (MZ7KM*)
1408 		 * 4k optimised
1409 		 */
1410 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG MZ7*", "*" },
1411 		/*quirks*/DA_Q_4K
1412 	},
1413 	{
1414 		/*
1415 		 * Same as for SAMSUNG MZ7* but enable the quirks for SSD
1416 		 * starting with MZ7* too
1417 		 */
1418 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MZ7*", "*" },
1419 		/*quirks*/DA_Q_4K
1420 	},
1421 	{
1422 		/*
1423                  * Same as above but enable the quirks for SSD SAMSUNG MZ7*
1424                  * connected via SATA-to-SAS interposer and because of this
1425                  * starting without "ATA"
1426 		 */
1427 		{ T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MZ7*", "*" },
1428 		/*quirks*/DA_Q_4K
1429 	},
1430 	{
1431 		/*
1432 		 * SuperTalent TeraDrive CT SSDs
1433 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1434 		 */
1435 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" },
1436 		/*quirks*/DA_Q_4K
1437 	},
1438 	{
1439 		/*
1440 		 * XceedIOPS SATA SSDs
1441 		 * 4k optimised
1442 		 */
1443 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" },
1444 		/*quirks*/DA_Q_4K
1445 	},
1446 	{
1447 		/*
1448 		 * Hama Innostor USB-Stick
1449 		 */
1450 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "Innostor", "Innostor*", "*" },
1451 		/*quirks*/DA_Q_NO_RC16
1452 	},
1453 	{
1454 		/*
1455 		 * Seagate Lamarr 8TB Shingled Magnetic Recording (SMR)
1456 		 * Drive Managed SATA hard drive.  This drive doesn't report
1457 		 * in firmware that it is a drive managed SMR drive.
1458 		 */
1459 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST8000AS000[23]*", "*" },
1460 		/*quirks*/DA_Q_SMR_DM
1461 	},
1462 	{
1463 		/*
1464 		 * MX-ES USB Drive by Mach Xtreme
1465 		 */
1466 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "MX", "MXUB3*", "*"},
1467 		/*quirks*/DA_Q_NO_RC16
1468 	},
1469 };
1470 
1471 static	disk_strategy_t	dastrategy;
1472 static	dumper_t	dadump;
1473 static	periph_init_t	dainit;
1474 static	void		daasync(void *callback_arg, u_int32_t code,
1475 				struct cam_path *path, void *arg);
1476 static	void		dasysctlinit(void *context, int pending);
1477 static	int		dasysctlsofttimeout(SYSCTL_HANDLER_ARGS);
1478 static	int		dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
1479 static	int		dadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
1480 static	int		dabitsysctl(SYSCTL_HANDLER_ARGS);
1481 static	int		daflagssysctl(SYSCTL_HANDLER_ARGS);
1482 static	int		dazonemodesysctl(SYSCTL_HANDLER_ARGS);
1483 static	int		dazonesupsysctl(SYSCTL_HANDLER_ARGS);
1484 static	int		dadeletemaxsysctl(SYSCTL_HANDLER_ARGS);
1485 static	void		dadeletemethodset(struct da_softc *softc,
1486 					  da_delete_methods delete_method);
1487 static	off_t		dadeletemaxsize(struct da_softc *softc,
1488 					da_delete_methods delete_method);
1489 static	void		dadeletemethodchoose(struct da_softc *softc,
1490 					     da_delete_methods default_method);
1491 static	void		daprobedone(struct cam_periph *periph, union ccb *ccb);
1492 
1493 static	periph_ctor_t	daregister;
1494 static	periph_dtor_t	dacleanup;
1495 static	periph_start_t	dastart;
1496 static	periph_oninv_t	daoninvalidate;
1497 static	void		dazonedone(struct cam_periph *periph, union ccb *ccb);
1498 static	void		dadone(struct cam_periph *periph,
1499 			       union ccb *done_ccb);
1500 static void		dadone_probewp(struct cam_periph *periph,
1501 				       union ccb *done_ccb);
1502 static void		dadone_proberc(struct cam_periph *periph,
1503 				       union ccb *done_ccb);
1504 static void		dadone_probelbp(struct cam_periph *periph,
1505 					union ccb *done_ccb);
1506 static void		dadone_probeblklimits(struct cam_periph *periph,
1507 					      union ccb *done_ccb);
1508 static void		dadone_probebdc(struct cam_periph *periph,
1509 					union ccb *done_ccb);
1510 static void		dadone_probeata(struct cam_periph *periph,
1511 					union ccb *done_ccb);
1512 static void		dadone_probeatalogdir(struct cam_periph *periph,
1513 					      union ccb *done_ccb);
1514 static void		dadone_probeataiddir(struct cam_periph *periph,
1515 					     union ccb *done_ccb);
1516 static void		dadone_probeatasup(struct cam_periph *periph,
1517 					   union ccb *done_ccb);
1518 static void		dadone_probeatazone(struct cam_periph *periph,
1519 					    union ccb *done_ccb);
1520 static void		dadone_probezone(struct cam_periph *periph,
1521 					 union ccb *done_ccb);
1522 static void		dadone_tur(struct cam_periph *periph,
1523 				   union ccb *done_ccb);
1524 static  int		daerror(union ccb *ccb, u_int32_t cam_flags,
1525 				u_int32_t sense_flags);
1526 static void		daprevent(struct cam_periph *periph, int action);
1527 static void		dareprobe(struct cam_periph *periph);
1528 static void		dasetgeom(struct cam_periph *periph, uint32_t block_len,
1529 				  uint64_t maxsector,
1530 				  struct scsi_read_capacity_data_long *rcaplong,
1531 				  size_t rcap_size);
1532 static callout_func_t	dasendorderedtag;
1533 static void		dashutdown(void *arg, int howto);
1534 static callout_func_t	damediapoll;
1535 
1536 #ifndef	DA_DEFAULT_POLL_PERIOD
1537 #define	DA_DEFAULT_POLL_PERIOD	3
1538 #endif
1539 
1540 #ifndef DA_DEFAULT_TIMEOUT
1541 #define DA_DEFAULT_TIMEOUT 60	/* Timeout in seconds */
1542 #endif
1543 
1544 #ifndef DA_DEFAULT_SOFTTIMEOUT
1545 #define DA_DEFAULT_SOFTTIMEOUT	0
1546 #endif
1547 
1548 #ifndef	DA_DEFAULT_RETRY
1549 #define	DA_DEFAULT_RETRY	4
1550 #endif
1551 
1552 #ifndef	DA_DEFAULT_SEND_ORDERED
1553 #define	DA_DEFAULT_SEND_ORDERED	1
1554 #endif
1555 
1556 static int da_poll_period = DA_DEFAULT_POLL_PERIOD;
1557 static int da_retry_count = DA_DEFAULT_RETRY;
1558 static int da_default_timeout = DA_DEFAULT_TIMEOUT;
1559 static sbintime_t da_default_softtimeout = DA_DEFAULT_SOFTTIMEOUT;
1560 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED;
1561 static int da_disable_wp_detection = 0;
1562 static int da_enable_biospeedup = 1;
1563 static int da_enable_uma_ccbs = 1;
1564 
1565 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
1566     "CAM Direct Access Disk driver");
1567 SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RWTUN,
1568            &da_poll_period, 0, "Media polling period in seconds");
1569 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RWTUN,
1570            &da_retry_count, 0, "Normal I/O retry count");
1571 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RWTUN,
1572            &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
1573 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RWTUN,
1574            &da_send_ordered, 0, "Send Ordered Tags");
1575 SYSCTL_INT(_kern_cam_da, OID_AUTO, disable_wp_detection, CTLFLAG_RWTUN,
1576            &da_disable_wp_detection, 0,
1577 	   "Disable detection of write-protected disks");
1578 SYSCTL_INT(_kern_cam_da, OID_AUTO, enable_biospeedup, CTLFLAG_RDTUN,
1579 	    &da_enable_biospeedup, 0, "Enable BIO_SPEEDUP processing");
1580 SYSCTL_INT(_kern_cam_da, OID_AUTO, enable_uma_ccbs, CTLFLAG_RWTUN,
1581 	    &da_enable_uma_ccbs, 0, "Use UMA for CCBs");
1582 
1583 SYSCTL_PROC(_kern_cam_da, OID_AUTO, default_softtimeout,
1584     CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_MPSAFE, NULL, 0,
1585     dasysctlsofttimeout, "I",
1586     "Soft I/O timeout (ms)");
1587 TUNABLE_INT64("kern.cam.da.default_softtimeout", &da_default_softtimeout);
1588 
1589 /*
1590  * DA_ORDEREDTAG_INTERVAL determines how often, relative
1591  * to the default timeout, we check to see whether an ordered
1592  * tagged transaction is appropriate to prevent simple tag
1593  * starvation.  Since we'd like to ensure that there is at least
1594  * 1/2 of the timeout length left for a starved transaction to
1595  * complete after we've sent an ordered tag, we must poll at least
1596  * four times in every timeout period.  This takes care of the worst
1597  * case where a starved transaction starts during an interval that
1598  * meets the requirement "don't send an ordered tag" test so it takes
1599  * us two intervals to determine that a tag must be sent.
1600  */
1601 #ifndef DA_ORDEREDTAG_INTERVAL
1602 #define DA_ORDEREDTAG_INTERVAL 4
1603 #endif
1604 
1605 static struct periph_driver dadriver =
1606 {
1607 	dainit, "da",
1608 	TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
1609 };
1610 
1611 PERIPHDRIVER_DECLARE(da, dadriver);
1612 
1613 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
1614 
1615 /*
1616  * This driver takes out references / holds in well defined pairs, never
1617  * recursively. These macros / inline functions enforce those rules. They
1618  * are only enabled with DA_TRACK_REFS or INVARIANTS. If DA_TRACK_REFS is
1619  * defined to be 2 or larger, the tracking also includes debug printfs.
1620  */
1621 #if defined(DA_TRACK_REFS) || defined(INVARIANTS)
1622 
1623 #ifndef DA_TRACK_REFS
1624 #define DA_TRACK_REFS 1
1625 #endif
1626 
1627 #if DA_TRACK_REFS > 1
1628 static const char *da_ref_text[] = {
1629 	"bogus",
1630 	"open",
1631 	"open hold",
1632 	"close hold",
1633 	"reprobe hold",
1634 	"Test Unit Ready",
1635 	"Geom",
1636 	"sysctl",
1637 	"reprobe",
1638 	"max -- also bogus"
1639 };
1640 
1641 #define DA_PERIPH_PRINT(periph, msg, args...)		\
1642 	CAM_PERIPH_PRINT(periph, msg, ##args)
1643 #else
1644 #define DA_PERIPH_PRINT(periph, msg, args...)
1645 #endif
1646 
1647 static inline void
1648 token_sanity(da_ref_token token)
1649 {
1650 	if ((unsigned)token >= DA_REF_MAX)
1651 		panic("Bad token value passed in %d\n", token);
1652 }
1653 
1654 static inline int
1655 da_periph_hold(struct cam_periph *periph, int priority, da_ref_token token)
1656 {
1657 	int err = cam_periph_hold(periph, priority);
1658 
1659 	token_sanity(token);
1660 	DA_PERIPH_PRINT(periph, "Holding device %s (%d): %d\n",
1661 	    da_ref_text[token], token, err);
1662 	if (err == 0) {
1663 		int cnt;
1664 		struct da_softc *softc = periph->softc;
1665 
1666 		cnt = atomic_fetchadd_int(&softc->ref_flags[token], 1);
1667 		if (cnt != 0)
1668 			panic("Re-holding for reason %d, cnt = %d", token, cnt);
1669 	}
1670 	return (err);
1671 }
1672 
1673 static inline void
1674 da_periph_unhold(struct cam_periph *periph, da_ref_token token)
1675 {
1676 	int cnt;
1677 	struct da_softc *softc = periph->softc;
1678 
1679 	token_sanity(token);
1680 	DA_PERIPH_PRINT(periph, "Unholding device %s (%d)\n",
1681 	    da_ref_text[token], token);
1682 	cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1683 	if (cnt != 1)
1684 		panic("Unholding %d with cnt = %d", token, cnt);
1685 	cam_periph_unhold(periph);
1686 }
1687 
1688 static inline int
1689 da_periph_acquire(struct cam_periph *periph, da_ref_token token)
1690 {
1691 	int err = cam_periph_acquire(periph);
1692 
1693 	token_sanity(token);
1694 	DA_PERIPH_PRINT(periph, "acquiring device %s (%d): %d\n",
1695 	    da_ref_text[token], token, err);
1696 	if (err == 0) {
1697 		int cnt;
1698 		struct da_softc *softc = periph->softc;
1699 
1700 		cnt = atomic_fetchadd_int(&softc->ref_flags[token], 1);
1701 		if (cnt != 0)
1702 			panic("Re-refing for reason %d, cnt = %d", token, cnt);
1703 	}
1704 	return (err);
1705 }
1706 
1707 static inline void
1708 da_periph_release(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 %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 %d with cnt = %d", token, cnt);
1719 	cam_periph_release(periph);
1720 }
1721 
1722 static inline void
1723 da_periph_release_locked(struct cam_periph *periph, da_ref_token token)
1724 {
1725 	int cnt;
1726 	struct da_softc *softc = periph->softc;
1727 
1728 	token_sanity(token);
1729 	DA_PERIPH_PRINT(periph, "releasing device (locked) %s (%d)\n",
1730 	    da_ref_text[token], token);
1731 	cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1732 	if (cnt != 1)
1733 		panic("releasing (locked) %d with cnt = %d", token, cnt);
1734 	cam_periph_release_locked(periph);
1735 }
1736 
1737 #define cam_periph_hold POISON
1738 #define cam_periph_unhold POISON
1739 #define cam_periph_acquire POISON
1740 #define cam_periph_release POISON
1741 #define cam_periph_release_locked POISON
1742 
1743 #else
1744 #define	da_periph_hold(periph, prio, token)	cam_periph_hold((periph), (prio))
1745 #define da_periph_unhold(periph, token)		cam_periph_unhold((periph))
1746 #define da_periph_acquire(periph, token)	cam_periph_acquire((periph))
1747 #define da_periph_release(periph, token)	cam_periph_release((periph))
1748 #define da_periph_release_locked(periph, token)	cam_periph_release_locked((periph))
1749 #endif
1750 
1751 static int
1752 daopen(struct disk *dp)
1753 {
1754 	struct cam_periph *periph;
1755 	struct da_softc *softc;
1756 	int error;
1757 
1758 	periph = (struct cam_periph *)dp->d_drv1;
1759 	if (da_periph_acquire(periph, DA_REF_OPEN) != 0) {
1760 		return (ENXIO);
1761 	}
1762 
1763 	cam_periph_lock(periph);
1764 	if ((error = da_periph_hold(periph, PRIBIO|PCATCH, DA_REF_OPEN_HOLD)) != 0) {
1765 		cam_periph_unlock(periph);
1766 		da_periph_release(periph, DA_REF_OPEN);
1767 		return (error);
1768 	}
1769 
1770 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1771 	    ("daopen\n"));
1772 
1773 	softc = (struct da_softc *)periph->softc;
1774 	dareprobe(periph);
1775 
1776 	/* Wait for the disk size update.  */
1777 	error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO,
1778 	    "dareprobe", 0);
1779 	if (error != 0)
1780 		xpt_print(periph->path, "unable to retrieve capacity data\n");
1781 
1782 	if (periph->flags & CAM_PERIPH_INVALID)
1783 		error = ENXIO;
1784 
1785 	if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1786 	    (softc->quirks & DA_Q_NO_PREVENT) == 0)
1787 		daprevent(periph, PR_PREVENT);
1788 
1789 	if (error == 0) {
1790 		softc->flags &= ~DA_FLAG_PACK_INVALID;
1791 		softc->flags |= DA_FLAG_OPEN;
1792 	}
1793 
1794 	da_periph_unhold(periph, DA_REF_OPEN_HOLD);
1795 	cam_periph_unlock(periph);
1796 
1797 	if (error != 0)
1798 		da_periph_release(periph, DA_REF_OPEN);
1799 
1800 	return (error);
1801 }
1802 
1803 static int
1804 daclose(struct disk *dp)
1805 {
1806 	struct	cam_periph *periph;
1807 	struct	da_softc *softc;
1808 	union	ccb *ccb;
1809 
1810 	periph = (struct cam_periph *)dp->d_drv1;
1811 	softc = (struct da_softc *)periph->softc;
1812 	cam_periph_lock(periph);
1813 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1814 	    ("daclose\n"));
1815 
1816 	if (da_periph_hold(periph, PRIBIO, DA_REF_CLOSE_HOLD) == 0) {
1817 		/* Flush disk cache. */
1818 		if ((softc->flags & DA_FLAG_DIRTY) != 0 &&
1819 		    (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 &&
1820 		    (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
1821 			ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1822 			scsi_synchronize_cache(&ccb->csio, /*retries*/1,
1823 			    /*cbfcnp*/NULL, MSG_SIMPLE_Q_TAG,
1824 			    /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE,
1825 			    5 * 60 * 1000);
1826 			cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
1827 			    /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR,
1828 			    softc->disk->d_devstat);
1829 			softc->flags &= ~DA_FLAG_DIRTY;
1830 			xpt_release_ccb(ccb);
1831 		}
1832 
1833 		/* Allow medium removal. */
1834 		if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1835 		    (softc->quirks & DA_Q_NO_PREVENT) == 0)
1836 			daprevent(periph, PR_ALLOW);
1837 
1838 		da_periph_unhold(periph, DA_REF_CLOSE_HOLD);
1839 	}
1840 
1841 	/*
1842 	 * If we've got removable media, mark the blocksize as
1843 	 * unavailable, since it could change when new media is
1844 	 * inserted.
1845 	 */
1846 	if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)
1847 		softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1848 
1849 	softc->flags &= ~DA_FLAG_OPEN;
1850 	while (softc->refcount != 0)
1851 		cam_periph_sleep(periph, &softc->refcount, PRIBIO, "daclose", 1);
1852 	cam_periph_unlock(periph);
1853 	da_periph_release(periph, DA_REF_OPEN);
1854 	return (0);
1855 }
1856 
1857 static void
1858 daschedule(struct cam_periph *periph)
1859 {
1860 	struct da_softc *softc = (struct da_softc *)periph->softc;
1861 
1862 	if (softc->state != DA_STATE_NORMAL)
1863 		return;
1864 
1865 	cam_iosched_schedule(softc->cam_iosched, periph);
1866 }
1867 
1868 /*
1869  * Actually translate the requested transfer into one the physical driver
1870  * can understand.  The transfer is described by a buf and will include
1871  * only one physical transfer.
1872  */
1873 static void
1874 dastrategy(struct bio *bp)
1875 {
1876 	struct cam_periph *periph;
1877 	struct da_softc *softc;
1878 
1879 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1880 	softc = (struct da_softc *)periph->softc;
1881 
1882 	cam_periph_lock(periph);
1883 
1884 	/*
1885 	 * If the device has been made invalid, error out
1886 	 */
1887 	if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1888 		cam_periph_unlock(periph);
1889 		biofinish(bp, NULL, ENXIO);
1890 		return;
1891 	}
1892 
1893 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp));
1894 
1895 	/*
1896 	 * Zone commands must be ordered, because they can depend on the
1897 	 * effects of previously issued commands, and they may affect
1898 	 * commands after them.
1899 	 */
1900 	if (bp->bio_cmd == BIO_ZONE)
1901 		bp->bio_flags |= BIO_ORDERED;
1902 
1903 	/*
1904 	 * Place it in the queue of disk activities for this disk
1905 	 */
1906 	cam_iosched_queue_work(softc->cam_iosched, bp);
1907 
1908 	/*
1909 	 * Schedule ourselves for performing the work.
1910 	 */
1911 	daschedule(periph);
1912 	cam_periph_unlock(periph);
1913 
1914 	return;
1915 }
1916 
1917 static int
1918 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1919 {
1920 	struct	    cam_periph *periph;
1921 	struct	    da_softc *softc;
1922 	u_int	    secsize;
1923 	struct	    ccb_scsiio csio;
1924 	struct	    disk *dp;
1925 	int	    error = 0;
1926 
1927 	dp = arg;
1928 	periph = dp->d_drv1;
1929 	softc = (struct da_softc *)periph->softc;
1930 	secsize = softc->params.secsize;
1931 
1932 	if ((softc->flags & DA_FLAG_PACK_INVALID) != 0)
1933 		return (ENXIO);
1934 
1935 	memset(&csio, 0, sizeof(csio));
1936 	if (length > 0) {
1937 		xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1938 		csio.ccb_h.ccb_state = DA_CCB_DUMP;
1939 		scsi_read_write(&csio,
1940 				/*retries*/0,
1941 				/*cbfcnp*/NULL,
1942 				MSG_ORDERED_Q_TAG,
1943 				/*read*/SCSI_RW_WRITE,
1944 				/*byte2*/0,
1945 				/*minimum_cmd_size*/ softc->minimum_cmd_size,
1946 				offset / secsize,
1947 				length / secsize,
1948 				/*data_ptr*/(u_int8_t *) virtual,
1949 				/*dxfer_len*/length,
1950 				/*sense_len*/SSD_FULL_SIZE,
1951 				da_default_timeout * 1000);
1952 		error = cam_periph_runccb((union ccb *)&csio, cam_periph_error,
1953 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1954 		if (error != 0)
1955 			printf("Aborting dump due to I/O error.\n");
1956 		return (error);
1957 	}
1958 
1959 	/*
1960 	 * Sync the disk cache contents to the physical media.
1961 	 */
1962 	if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1963 		xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1964 		csio.ccb_h.ccb_state = DA_CCB_DUMP;
1965 		scsi_synchronize_cache(&csio,
1966 				       /*retries*/0,
1967 				       /*cbfcnp*/NULL,
1968 				       MSG_SIMPLE_Q_TAG,
1969 				       /*begin_lba*/0,/* Cover the whole disk */
1970 				       /*lb_count*/0,
1971 				       SSD_FULL_SIZE,
1972 				       5 * 1000);
1973 		error = cam_periph_runccb((union ccb *)&csio, cam_periph_error,
1974 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1975 		if (error != 0)
1976 			xpt_print(periph->path, "Synchronize cache failed\n");
1977 	}
1978 	return (error);
1979 }
1980 
1981 static int
1982 dagetattr(struct bio *bp)
1983 {
1984 	int ret;
1985 	struct cam_periph *periph;
1986 
1987 	if (g_handleattr_int(bp, "GEOM::canspeedup", da_enable_biospeedup))
1988 		return (EJUSTRETURN);
1989 
1990 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1991 	cam_periph_lock(periph);
1992 	ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1993 	    periph->path);
1994 	cam_periph_unlock(periph);
1995 	if (ret == 0)
1996 		bp->bio_completed = bp->bio_length;
1997 	return ret;
1998 }
1999 
2000 static void
2001 dainit(void)
2002 {
2003 	cam_status status;
2004 
2005 	da_ccb_zone = uma_zcreate("da_ccb",
2006 	    sizeof(struct ccb_scsiio), NULL, NULL, NULL, NULL,
2007 	    UMA_ALIGN_PTR, 0);
2008 
2009 	/*
2010 	 * Install a global async callback.  This callback will
2011 	 * receive async callbacks like "new device found".
2012 	 */
2013 	status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
2014 
2015 	if (status != CAM_REQ_CMP) {
2016 		printf("da: Failed to attach master async callback "
2017 		       "due to status 0x%x!\n", status);
2018 	} else if (da_send_ordered) {
2019 		/* Register our shutdown event handler */
2020 		if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
2021 					   NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
2022 		    printf("dainit: shutdown event registration failed!\n");
2023 	}
2024 }
2025 
2026 /*
2027  * Callback from GEOM, called when it has finished cleaning up its
2028  * resources.
2029  */
2030 static void
2031 dadiskgonecb(struct disk *dp)
2032 {
2033 	struct cam_periph *periph;
2034 
2035 	periph = (struct cam_periph *)dp->d_drv1;
2036 	da_periph_release(periph, DA_REF_GEOM);
2037 }
2038 
2039 static void
2040 daoninvalidate(struct cam_periph *periph)
2041 {
2042 	struct da_softc *softc;
2043 
2044 	cam_periph_assert(periph, MA_OWNED);
2045 	softc = (struct da_softc *)periph->softc;
2046 
2047 	/*
2048 	 * De-register any async callbacks.
2049 	 */
2050 	xpt_register_async(0, daasync, periph, periph->path);
2051 
2052 	softc->flags |= DA_FLAG_PACK_INVALID;
2053 #ifdef CAM_IO_STATS
2054 	softc->invalidations++;
2055 #endif
2056 
2057 	/*
2058 	 * Return all queued I/O with ENXIO.
2059 	 * XXX Handle any transactions queued to the card
2060 	 *     with XPT_ABORT_CCB.
2061 	 */
2062 	cam_iosched_flush(softc->cam_iosched, NULL, ENXIO);
2063 
2064 	/*
2065 	 * Tell GEOM that we've gone away, we'll get a callback when it is
2066 	 * done cleaning up its resources.
2067 	 */
2068 	disk_gone(softc->disk);
2069 }
2070 
2071 static void
2072 dacleanup(struct cam_periph *periph)
2073 {
2074 	struct da_softc *softc;
2075 
2076 	softc = (struct da_softc *)periph->softc;
2077 
2078 	cam_periph_unlock(periph);
2079 
2080 	cam_iosched_fini(softc->cam_iosched);
2081 
2082 	/*
2083 	 * If we can't free the sysctl tree, oh well...
2084 	 */
2085 	if ((softc->flags & DA_FLAG_SCTX_INIT) != 0) {
2086 #ifdef CAM_IO_STATS
2087 		if (sysctl_ctx_free(&softc->sysctl_stats_ctx) != 0)
2088 			xpt_print(periph->path,
2089 			    "can't remove sysctl stats context\n");
2090 #endif
2091 		if (sysctl_ctx_free(&softc->sysctl_ctx) != 0)
2092 			xpt_print(periph->path,
2093 			    "can't remove sysctl context\n");
2094 	}
2095 
2096 	callout_drain(&softc->mediapoll_c);
2097 	disk_destroy(softc->disk);
2098 	callout_drain(&softc->sendordered_c);
2099 	free(softc, M_DEVBUF);
2100 	cam_periph_lock(periph);
2101 }
2102 
2103 static void
2104 daasync(void *callback_arg, u_int32_t code,
2105 	struct cam_path *path, void *arg)
2106 {
2107 	struct cam_periph *periph;
2108 	struct da_softc *softc;
2109 
2110 	periph = (struct cam_periph *)callback_arg;
2111 	switch (code) {
2112 	case AC_FOUND_DEVICE:	/* callback to create periph, no locking yet */
2113 	{
2114 		struct ccb_getdev *cgd;
2115 		cam_status status;
2116 
2117 		cgd = (struct ccb_getdev *)arg;
2118 		if (cgd == NULL)
2119 			break;
2120 
2121 		if (cgd->protocol != PROTO_SCSI)
2122 			break;
2123 		if (SID_QUAL(&cgd->inq_data) != SID_QUAL_LU_CONNECTED)
2124 			break;
2125 		if (SID_TYPE(&cgd->inq_data) != T_DIRECT
2126 		    && SID_TYPE(&cgd->inq_data) != T_RBC
2127 		    && SID_TYPE(&cgd->inq_data) != T_OPTICAL
2128 		    && SID_TYPE(&cgd->inq_data) != T_ZBC_HM)
2129 			break;
2130 
2131 		/*
2132 		 * Allocate a peripheral instance for
2133 		 * this device and start the probe
2134 		 * process.
2135 		 */
2136 		status = cam_periph_alloc(daregister, daoninvalidate,
2137 					  dacleanup, dastart,
2138 					  "da", CAM_PERIPH_BIO,
2139 					  path, daasync,
2140 					  AC_FOUND_DEVICE, cgd);
2141 
2142 		if (status != CAM_REQ_CMP
2143 		 && status != CAM_REQ_INPROG)
2144 			printf("daasync: Unable to attach to new device "
2145 				"due to status 0x%x\n", status);
2146 		return;
2147 	}
2148 	case AC_ADVINFO_CHANGED:	/* Doesn't touch periph */
2149 	{
2150 		uintptr_t buftype;
2151 
2152 		buftype = (uintptr_t)arg;
2153 		if (buftype == CDAI_TYPE_PHYS_PATH) {
2154 			struct da_softc *softc;
2155 
2156 			softc = periph->softc;
2157 			disk_attr_changed(softc->disk, "GEOM::physpath",
2158 					  M_NOWAIT);
2159 		}
2160 		break;
2161 	}
2162 	case AC_UNIT_ATTENTION:		/* Called for this path: periph locked */
2163 	{
2164 		union ccb *ccb;
2165 		int error_code, sense_key, asc, ascq;
2166 
2167 		softc = (struct da_softc *)periph->softc;
2168 		ccb = (union ccb *)arg;
2169 
2170 		/*
2171 		 * Handle all UNIT ATTENTIONs except our own, as they will be
2172 		 * handled by daerror().
2173 		 */
2174 		if (xpt_path_periph(ccb->ccb_h.path) != periph &&
2175 		    scsi_extract_sense_ccb(ccb,
2176 		     &error_code, &sense_key, &asc, &ascq)) {
2177 			if (asc == 0x2A && ascq == 0x09) {
2178 				xpt_print(ccb->ccb_h.path,
2179 				    "Capacity data has changed\n");
2180 				cam_periph_assert(periph, MA_OWNED);
2181 				softc->flags &= ~DA_FLAG_PROBED;
2182 				dareprobe(periph);
2183 			} else if (asc == 0x28 && ascq == 0x00) {
2184 				cam_periph_assert(periph, MA_OWNED);
2185 				softc->flags &= ~DA_FLAG_PROBED;
2186 				disk_media_changed(softc->disk, M_NOWAIT);
2187 			} else if (asc == 0x3F && ascq == 0x03) {
2188 				xpt_print(ccb->ccb_h.path,
2189 				    "INQUIRY data has changed\n");
2190 				cam_periph_assert(periph, MA_OWNED);
2191 				softc->flags &= ~DA_FLAG_PROBED;
2192 				dareprobe(periph);
2193 			}
2194 		}
2195 		break;
2196 	}
2197 	case AC_SCSI_AEN:		/* Called for this path: periph locked */
2198 		/*
2199 		 * Appears to be currently unused for SCSI devices, only ata SIMs
2200 		 * generate this.
2201 		 */
2202 		cam_periph_assert(periph, MA_OWNED);
2203 		softc = (struct da_softc *)periph->softc;
2204 		if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR) &&
2205 		    (softc->flags & DA_FLAG_TUR_PENDING) == 0) {
2206 			if (da_periph_acquire(periph, DA_REF_TUR) == 0) {
2207 				cam_iosched_set_work_flags(softc->cam_iosched, DA_WORK_TUR);
2208 				daschedule(periph);
2209 			}
2210 		}
2211 		/* FALLTHROUGH */
2212 	case AC_SENT_BDR:		/* Called for this path: periph locked */
2213 	case AC_BUS_RESET:		/* Called for this path: periph locked */
2214 	{
2215 		struct ccb_hdr *ccbh;
2216 
2217 		cam_periph_assert(periph, MA_OWNED);
2218 		softc = (struct da_softc *)periph->softc;
2219 		/*
2220 		 * Don't fail on the expected unit attention
2221 		 * that will occur.
2222 		 */
2223 		softc->flags |= DA_FLAG_RETRY_UA;
2224 		LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
2225 			ccbh->ccb_state |= DA_CCB_RETRY_UA;
2226 		break;
2227 	}
2228 	case AC_INQ_CHANGED:		/* Called for this path: periph locked */
2229 		cam_periph_assert(periph, MA_OWNED);
2230 		softc = (struct da_softc *)periph->softc;
2231 		softc->flags &= ~DA_FLAG_PROBED;
2232 		dareprobe(periph);
2233 		break;
2234 	default:
2235 		break;
2236 	}
2237 	cam_periph_async(periph, code, path, arg);
2238 }
2239 
2240 static void
2241 dasysctlinit(void *context, int pending)
2242 {
2243 	struct cam_periph *periph;
2244 	struct da_softc *softc;
2245 	char tmpstr[32], tmpstr2[16];
2246 	struct ccb_trans_settings cts;
2247 
2248 	periph = (struct cam_periph *)context;
2249 	/*
2250 	 * periph was held for us when this task was enqueued
2251 	 */
2252 	if (periph->flags & CAM_PERIPH_INVALID) {
2253 		da_periph_release(periph, DA_REF_SYSCTL);
2254 		return;
2255 	}
2256 
2257 	softc = (struct da_softc *)periph->softc;
2258 	snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
2259 	snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
2260 
2261 	sysctl_ctx_init(&softc->sysctl_ctx);
2262 	cam_periph_lock(periph);
2263 	softc->flags |= DA_FLAG_SCTX_INIT;
2264 	cam_periph_unlock(periph);
2265 	softc->sysctl_tree = SYSCTL_ADD_NODE_WITH_LABEL(&softc->sysctl_ctx,
2266 		SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
2267 		CTLFLAG_RD | CTLFLAG_MPSAFE, 0, tmpstr, "device_index");
2268 	if (softc->sysctl_tree == NULL) {
2269 		printf("dasysctlinit: unable to allocate sysctl tree\n");
2270 		da_periph_release(periph, DA_REF_SYSCTL);
2271 		return;
2272 	}
2273 
2274 	/*
2275 	 * Now register the sysctl handler, so the user can change the value on
2276 	 * the fly.
2277 	 */
2278 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2279 		OID_AUTO, "delete_method",
2280 		CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
2281 		softc, 0, dadeletemethodsysctl, "A",
2282 		"BIO_DELETE execution method");
2283 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2284 		OID_AUTO, "delete_max",
2285 		CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE,
2286 		softc, 0, dadeletemaxsysctl, "Q",
2287 		"Maximum BIO_DELETE size");
2288 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2289 		OID_AUTO, "minimum_cmd_size",
2290 		CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE,
2291 		&softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
2292 		"Minimum CDB size");
2293 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2294 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2295 		"trim_count", CTLFLAG_RD, &softc->trim_count,
2296 		"Total number of unmap/dsm commands sent");
2297 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2298 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2299 		"trim_ranges", CTLFLAG_RD, &softc->trim_ranges,
2300 		"Total number of ranges in unmap/dsm commands");
2301 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2302 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2303 		"trim_lbas", CTLFLAG_RD, &softc->trim_lbas,
2304 		"Total lbas in the unmap/dsm commands sent");
2305 
2306 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2307 		OID_AUTO, "zone_mode",
2308 		CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
2309 		softc, 0, dazonemodesysctl, "A",
2310 		"Zone Mode");
2311 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2312 		OID_AUTO, "zone_support",
2313 		CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
2314 		softc, 0, dazonesupsysctl, "A",
2315 		"Zone Support");
2316 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2317 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2318 		"optimal_seq_zones", CTLFLAG_RD, &softc->optimal_seq_zones,
2319 		"Optimal Number of Open Sequential Write Preferred Zones");
2320 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2321 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2322 		"optimal_nonseq_zones", CTLFLAG_RD,
2323 		&softc->optimal_nonseq_zones,
2324 		"Optimal Number of Non-Sequentially Written Sequential Write "
2325 		"Preferred Zones");
2326 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2327 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2328 		"max_seq_zones", CTLFLAG_RD, &softc->max_seq_zones,
2329 		"Maximum Number of Open Sequential Write Required Zones");
2330 
2331 	SYSCTL_ADD_INT(&softc->sysctl_ctx,
2332 		       SYSCTL_CHILDREN(softc->sysctl_tree),
2333 		       OID_AUTO,
2334 		       "error_inject",
2335 		       CTLFLAG_RW,
2336 		       &softc->error_inject,
2337 		       0,
2338 		       "error_inject leaf");
2339 
2340 	SYSCTL_ADD_INT(&softc->sysctl_ctx,
2341 		       SYSCTL_CHILDREN(softc->sysctl_tree),
2342 		       OID_AUTO,
2343 		       "p_type",
2344 		       CTLFLAG_RD,
2345 		       &softc->p_type,
2346 		       0,
2347 		       "DIF protection type");
2348 
2349 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2350 	    OID_AUTO, "flags", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
2351 	    softc, 0, daflagssysctl, "A",
2352 	    "Flags for drive");
2353 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2354 	    OID_AUTO, "rotating", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE,
2355 	    &softc->flags, (u_int)DA_FLAG_ROTATING, dabitsysctl, "I",
2356 	    "Rotating media *DEPRECATED* gone in FreeBSD 14");
2357 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2358 	    OID_AUTO, "unmapped_io", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE,
2359 	    &softc->flags, (u_int)DA_FLAG_UNMAPPEDIO, dabitsysctl, "I",
2360 	    "Unmapped I/O support *DEPRECATED* gone in FreeBSD 14");
2361 
2362 #ifdef CAM_TEST_FAILURE
2363 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2364 		OID_AUTO, "invalidate", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE,
2365 		periph, 0, cam_periph_invalidate_sysctl, "I",
2366 		"Write 1 to invalidate the drive immediately");
2367 #endif
2368 
2369 	/*
2370 	 * Add some addressing info.
2371 	 */
2372 	memset(&cts, 0, sizeof (cts));
2373 	xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
2374 	cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
2375 	cts.type = CTS_TYPE_CURRENT_SETTINGS;
2376 	cam_periph_lock(periph);
2377 	xpt_action((union ccb *)&cts);
2378 	cam_periph_unlock(periph);
2379 	if (cts.ccb_h.status != CAM_REQ_CMP) {
2380 		da_periph_release(periph, DA_REF_SYSCTL);
2381 		return;
2382 	}
2383 	if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) {
2384 		struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc;
2385 		if (fc->valid & CTS_FC_VALID_WWPN) {
2386 			softc->wwpn = fc->wwpn;
2387 			SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2388 			    SYSCTL_CHILDREN(softc->sysctl_tree),
2389 			    OID_AUTO, "wwpn", CTLFLAG_RD,
2390 			    &softc->wwpn, "World Wide Port Name");
2391 		}
2392 	}
2393 
2394 #ifdef CAM_IO_STATS
2395 	/*
2396 	 * Now add some useful stats.
2397 	 * XXX These should live in cam_periph and be common to all periphs
2398 	 */
2399 	softc->sysctl_stats_tree = SYSCTL_ADD_NODE(&softc->sysctl_stats_ctx,
2400 	    SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "stats",
2401 	    CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Statistics");
2402 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2403 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2404 		       OID_AUTO,
2405 		       "errors",
2406 		       CTLFLAG_RD,
2407 		       &softc->errors,
2408 		       0,
2409 		       "Transport errors reported by the SIM");
2410 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2411 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2412 		       OID_AUTO,
2413 		       "timeouts",
2414 		       CTLFLAG_RD,
2415 		       &softc->timeouts,
2416 		       0,
2417 		       "Device timeouts reported by the SIM");
2418 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2419 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2420 		       OID_AUTO,
2421 		       "pack_invalidations",
2422 		       CTLFLAG_RD,
2423 		       &softc->invalidations,
2424 		       0,
2425 		       "Device pack invalidations");
2426 #endif
2427 
2428 	cam_iosched_sysctl_init(softc->cam_iosched, &softc->sysctl_ctx,
2429 	    softc->sysctl_tree);
2430 
2431 	da_periph_release(periph, DA_REF_SYSCTL);
2432 }
2433 
2434 static int
2435 dadeletemaxsysctl(SYSCTL_HANDLER_ARGS)
2436 {
2437 	int error;
2438 	uint64_t value;
2439 	struct da_softc *softc;
2440 
2441 	softc = (struct da_softc *)arg1;
2442 
2443 	value = softc->disk->d_delmaxsize;
2444 	error = sysctl_handle_64(oidp, &value, 0, req);
2445 	if ((error != 0) || (req->newptr == NULL))
2446 		return (error);
2447 
2448 	/* only accept values smaller than the calculated value */
2449 	if (value > dadeletemaxsize(softc, softc->delete_method)) {
2450 		return (EINVAL);
2451 	}
2452 	softc->disk->d_delmaxsize = value;
2453 
2454 	return (0);
2455 }
2456 
2457 static int
2458 dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
2459 {
2460 	int error, value;
2461 
2462 	value = *(int *)arg1;
2463 
2464 	error = sysctl_handle_int(oidp, &value, 0, req);
2465 
2466 	if ((error != 0)
2467 	 || (req->newptr == NULL))
2468 		return (error);
2469 
2470 	/*
2471 	 * Acceptable values here are 6, 10, 12 or 16.
2472 	 */
2473 	if (value < 6)
2474 		value = 6;
2475 	else if ((value > 6)
2476 	      && (value <= 10))
2477 		value = 10;
2478 	else if ((value > 10)
2479 	      && (value <= 12))
2480 		value = 12;
2481 	else if (value > 12)
2482 		value = 16;
2483 
2484 	*(int *)arg1 = value;
2485 
2486 	return (0);
2487 }
2488 
2489 static int
2490 dasysctlsofttimeout(SYSCTL_HANDLER_ARGS)
2491 {
2492 	sbintime_t value;
2493 	int error;
2494 
2495 	value = da_default_softtimeout / SBT_1MS;
2496 
2497 	error = sysctl_handle_int(oidp, (int *)&value, 0, req);
2498 	if ((error != 0) || (req->newptr == NULL))
2499 		return (error);
2500 
2501 	/* XXX Should clip this to a reasonable level */
2502 	if (value > da_default_timeout * 1000)
2503 		return (EINVAL);
2504 
2505 	da_default_softtimeout = value * SBT_1MS;
2506 	return (0);
2507 }
2508 
2509 static void
2510 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method)
2511 {
2512 
2513 	softc->delete_method = delete_method;
2514 	softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method);
2515 	softc->delete_func = da_delete_functions[delete_method];
2516 
2517 	if (softc->delete_method > DA_DELETE_DISABLE)
2518 		softc->disk->d_flags |= DISKFLAG_CANDELETE;
2519 	else
2520 		softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
2521 }
2522 
2523 static off_t
2524 dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method)
2525 {
2526 	off_t sectors;
2527 
2528 	switch(delete_method) {
2529 	case DA_DELETE_UNMAP:
2530 		sectors = (off_t)softc->unmap_max_lba;
2531 		break;
2532 	case DA_DELETE_ATA_TRIM:
2533 		sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
2534 		break;
2535 	case DA_DELETE_WS16:
2536 		sectors = omin(softc->ws_max_blks, WS16_MAX_BLKS);
2537 		break;
2538 	case DA_DELETE_ZERO:
2539 	case DA_DELETE_WS10:
2540 		sectors = omin(softc->ws_max_blks, WS10_MAX_BLKS);
2541 		break;
2542 	default:
2543 		return 0;
2544 	}
2545 
2546 	return (off_t)softc->params.secsize *
2547 	    omin(sectors, softc->params.sectors);
2548 }
2549 
2550 static void
2551 daprobedone(struct cam_periph *periph, union ccb *ccb)
2552 {
2553 	struct da_softc *softc;
2554 
2555 	softc = (struct da_softc *)periph->softc;
2556 
2557 	cam_periph_assert(periph, MA_OWNED);
2558 
2559 	dadeletemethodchoose(softc, DA_DELETE_NONE);
2560 
2561 	if (bootverbose && (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2562 		char buf[80];
2563 		int i, sep;
2564 
2565 		snprintf(buf, sizeof(buf), "Delete methods: <");
2566 		sep = 0;
2567 		for (i = 0; i <= DA_DELETE_MAX; i++) {
2568 			if ((softc->delete_available & (1 << i)) == 0 &&
2569 			    i != softc->delete_method)
2570 				continue;
2571 			if (sep)
2572 				strlcat(buf, ",", sizeof(buf));
2573 			strlcat(buf, da_delete_method_names[i],
2574 			    sizeof(buf));
2575 			if (i == softc->delete_method)
2576 				strlcat(buf, "(*)", sizeof(buf));
2577 			sep = 1;
2578 		}
2579 		strlcat(buf, ">", sizeof(buf));
2580 		printf("%s%d: %s\n", periph->periph_name,
2581 		    periph->unit_number, buf);
2582 	}
2583 	if ((softc->disk->d_flags & DISKFLAG_WRITE_PROTECT) != 0 &&
2584 	    (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2585 		printf("%s%d: Write Protected\n", periph->periph_name,
2586 		    periph->unit_number);
2587 	}
2588 
2589 	/*
2590 	 * Since our peripheral may be invalidated by an error
2591 	 * above or an external event, we must release our CCB
2592 	 * before releasing the probe lock on the peripheral.
2593 	 * The peripheral will only go away once the last lock
2594 	 * is removed, and we need it around for the CCB release
2595 	 * operation.
2596 	 */
2597 	xpt_release_ccb(ccb);
2598 	softc->state = DA_STATE_NORMAL;
2599 	softc->flags |= DA_FLAG_PROBED;
2600 	daschedule(periph);
2601 	wakeup(&softc->disk->d_mediasize);
2602 	if ((softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2603 		softc->flags |= DA_FLAG_ANNOUNCED;
2604 		da_periph_unhold(periph, DA_REF_PROBE_HOLD);
2605 	} else
2606 		da_periph_release_locked(periph, DA_REF_REPROBE);
2607 }
2608 
2609 static void
2610 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method)
2611 {
2612 	int i, methods;
2613 
2614 	/* If available, prefer the method requested by user. */
2615 	i = softc->delete_method_pref;
2616 	methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
2617 	if (methods & (1 << i)) {
2618 		dadeletemethodset(softc, i);
2619 		return;
2620 	}
2621 
2622 	/* Use the pre-defined order to choose the best performing delete. */
2623 	for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
2624 		if (i == DA_DELETE_ZERO)
2625 			continue;
2626 		if (softc->delete_available & (1 << i)) {
2627 			dadeletemethodset(softc, i);
2628 			return;
2629 		}
2630 	}
2631 
2632 	/* Fallback to default. */
2633 	dadeletemethodset(softc, default_method);
2634 }
2635 
2636 static int
2637 dabitsysctl(SYSCTL_HANDLER_ARGS)
2638 {
2639 	u_int *flags = arg1;
2640 	u_int test = arg2;
2641 	int tmpout, error;
2642 
2643 	tmpout = !!(*flags & test);
2644 	error = SYSCTL_OUT(req, &tmpout, sizeof(tmpout));
2645 	if (error || !req->newptr)
2646 		return (error);
2647 
2648 	return (EPERM);
2649 }
2650 
2651 static int
2652 daflagssysctl(SYSCTL_HANDLER_ARGS)
2653 {
2654 	struct sbuf sbuf;
2655 	struct da_softc *softc = arg1;
2656 	int error;
2657 
2658 	sbuf_new_for_sysctl(&sbuf, NULL, 0, req);
2659 	if (softc->flags != 0)
2660 		sbuf_printf(&sbuf, "0x%b", (unsigned)softc->flags, DA_FLAG_STRING);
2661 	else
2662 		sbuf_printf(&sbuf, "0");
2663 	error = sbuf_finish(&sbuf);
2664 	sbuf_delete(&sbuf);
2665 
2666 	return (error);
2667 }
2668 
2669 static int
2670 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
2671 {
2672 	char buf[16];
2673 	const char *p;
2674 	struct da_softc *softc;
2675 	int i, error, value;
2676 
2677 	softc = (struct da_softc *)arg1;
2678 
2679 	value = softc->delete_method;
2680 	if (value < 0 || value > DA_DELETE_MAX)
2681 		p = "UNKNOWN";
2682 	else
2683 		p = da_delete_method_names[value];
2684 	strncpy(buf, p, sizeof(buf));
2685 	error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
2686 	if (error != 0 || req->newptr == NULL)
2687 		return (error);
2688 	for (i = 0; i <= DA_DELETE_MAX; i++) {
2689 		if (strcmp(buf, da_delete_method_names[i]) == 0)
2690 			break;
2691 	}
2692 	if (i > DA_DELETE_MAX)
2693 		return (EINVAL);
2694 	softc->delete_method_pref = i;
2695 	dadeletemethodchoose(softc, DA_DELETE_NONE);
2696 	return (0);
2697 }
2698 
2699 static int
2700 dazonemodesysctl(SYSCTL_HANDLER_ARGS)
2701 {
2702 	char tmpbuf[40];
2703 	struct da_softc *softc;
2704 	int error;
2705 
2706 	softc = (struct da_softc *)arg1;
2707 
2708 	switch (softc->zone_mode) {
2709 	case DA_ZONE_DRIVE_MANAGED:
2710 		snprintf(tmpbuf, sizeof(tmpbuf), "Drive Managed");
2711 		break;
2712 	case DA_ZONE_HOST_AWARE:
2713 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Aware");
2714 		break;
2715 	case DA_ZONE_HOST_MANAGED:
2716 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Managed");
2717 		break;
2718 	case DA_ZONE_NONE:
2719 	default:
2720 		snprintf(tmpbuf, sizeof(tmpbuf), "Not Zoned");
2721 		break;
2722 	}
2723 
2724 	error = sysctl_handle_string(oidp, tmpbuf, sizeof(tmpbuf), req);
2725 
2726 	return (error);
2727 }
2728 
2729 static int
2730 dazonesupsysctl(SYSCTL_HANDLER_ARGS)
2731 {
2732 	char tmpbuf[180];
2733 	struct da_softc *softc;
2734 	struct sbuf sb;
2735 	int error, first;
2736 	unsigned int i;
2737 
2738 	softc = (struct da_softc *)arg1;
2739 
2740 	error = 0;
2741 	first = 1;
2742 	sbuf_new(&sb, tmpbuf, sizeof(tmpbuf), 0);
2743 
2744 	for (i = 0; i < sizeof(da_zone_desc_table) /
2745 	     sizeof(da_zone_desc_table[0]); i++) {
2746 		if (softc->zone_flags & da_zone_desc_table[i].value) {
2747 			if (first == 0)
2748 				sbuf_printf(&sb, ", ");
2749 			else
2750 				first = 0;
2751 			sbuf_cat(&sb, da_zone_desc_table[i].desc);
2752 		}
2753 	}
2754 
2755 	if (first == 1)
2756 		sbuf_printf(&sb, "None");
2757 
2758 	sbuf_finish(&sb);
2759 
2760 	error = sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
2761 
2762 	return (error);
2763 }
2764 
2765 static cam_status
2766 daregister(struct cam_periph *periph, void *arg)
2767 {
2768 	struct da_softc *softc;
2769 	struct ccb_pathinq cpi;
2770 	struct ccb_getdev *cgd;
2771 	char tmpstr[80];
2772 	caddr_t match;
2773 	int quirks;
2774 
2775 	cgd = (struct ccb_getdev *)arg;
2776 	if (cgd == NULL) {
2777 		printf("daregister: no getdev CCB, can't register device\n");
2778 		return(CAM_REQ_CMP_ERR);
2779 	}
2780 
2781 	softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
2782 	    M_NOWAIT|M_ZERO);
2783 
2784 	if (softc == NULL) {
2785 		printf("daregister: Unable to probe new device. "
2786 		       "Unable to allocate softc\n");
2787 		return(CAM_REQ_CMP_ERR);
2788 	}
2789 
2790 	if (cam_iosched_init(&softc->cam_iosched, periph) != 0) {
2791 		printf("daregister: Unable to probe new device. "
2792 		       "Unable to allocate iosched memory\n");
2793 		free(softc, M_DEVBUF);
2794 		return(CAM_REQ_CMP_ERR);
2795 	}
2796 
2797 	LIST_INIT(&softc->pending_ccbs);
2798 	softc->state = DA_STATE_PROBE_WP;
2799 	bioq_init(&softc->delete_run_queue);
2800 	if (SID_IS_REMOVABLE(&cgd->inq_data))
2801 		softc->flags |= DA_FLAG_PACK_REMOVABLE;
2802 	softc->unmap_max_ranges = UNMAP_MAX_RANGES;
2803 	softc->unmap_max_lba = UNMAP_RANGE_MAX;
2804 	softc->unmap_gran = 0;
2805 	softc->unmap_gran_align = 0;
2806 	softc->ws_max_blks = WS16_MAX_BLKS;
2807 	softc->trim_max_ranges = ATA_TRIM_MAX_RANGES;
2808 	softc->flags |= DA_FLAG_ROTATING;
2809 
2810 	periph->softc = softc;
2811 
2812 	/*
2813 	 * See if this device has any quirks.
2814 	 */
2815 	match = cam_quirkmatch((caddr_t)&cgd->inq_data,
2816 			       (caddr_t)da_quirk_table,
2817 			       nitems(da_quirk_table),
2818 			       sizeof(*da_quirk_table), scsi_inquiry_match);
2819 
2820 	if (match != NULL)
2821 		softc->quirks = ((struct da_quirk_entry *)match)->quirks;
2822 	else
2823 		softc->quirks = DA_Q_NONE;
2824 
2825 	/* Check if the SIM does not want 6 byte commands */
2826 	xpt_path_inq(&cpi, periph->path);
2827 	if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
2828 		softc->quirks |= DA_Q_NO_6_BYTE;
2829 
2830 	/* Override quirks if tunable is set */
2831 	snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.quirks",
2832 		 periph->unit_number);
2833 	quirks = softc->quirks;
2834 	TUNABLE_INT_FETCH(tmpstr, &quirks);
2835 	softc->quirks = quirks;
2836 
2837 	if (SID_TYPE(&cgd->inq_data) == T_ZBC_HM)
2838 		softc->zone_mode = DA_ZONE_HOST_MANAGED;
2839 	else if (softc->quirks & DA_Q_SMR_DM)
2840 		softc->zone_mode = DA_ZONE_DRIVE_MANAGED;
2841 	else
2842 		softc->zone_mode = DA_ZONE_NONE;
2843 
2844 	if (softc->zone_mode != DA_ZONE_NONE) {
2845 		if (scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
2846 			if (scsi_vpd_supported_page(periph, SVPD_ZONED_BDC))
2847 				softc->zone_interface = DA_ZONE_IF_ATA_SAT;
2848 			else
2849 				softc->zone_interface = DA_ZONE_IF_ATA_PASS;
2850 		} else
2851 			softc->zone_interface = DA_ZONE_IF_SCSI;
2852 	}
2853 
2854 	TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
2855 
2856 	/*
2857 	 * Let XPT know we can use UMA-allocated CCBs.
2858 	 */
2859 	if (da_enable_uma_ccbs) {
2860 		KASSERT(da_ccb_zone != NULL,
2861 		    ("%s: NULL da_ccb_zone", __func__));
2862 		periph->ccb_zone = da_ccb_zone;
2863 	}
2864 
2865 	/*
2866 	 * Take an exclusive section lock on the periph while dastart is called
2867 	 * to finish the probe.  The lock will be dropped in dadone at the end
2868 	 * of probe. This locks out daopen and daclose from racing with the
2869 	 * probe.
2870 	 *
2871 	 * XXX if cam_periph_hold returns an error, we don't hold a refcount.
2872 	 */
2873 	(void)da_periph_hold(periph, PRIBIO, DA_REF_PROBE_HOLD);
2874 
2875 	/*
2876 	 * Schedule a periodic event to occasionally send an
2877 	 * ordered tag to a device.
2878 	 */
2879 	callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
2880 	callout_reset_sbt(&softc->sendordered_c,
2881 	    SBT_1S / DA_ORDEREDTAG_INTERVAL * da_default_timeout, 0,
2882 	    dasendorderedtag, periph, C_PREL(1));
2883 
2884 	cam_periph_unlock(periph);
2885 	/*
2886 	 * RBC devices don't have to support READ(6), only READ(10).
2887 	 */
2888 	if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
2889 		softc->minimum_cmd_size = 10;
2890 	else
2891 		softc->minimum_cmd_size = 6;
2892 
2893 	/*
2894 	 * Load the user's default, if any.
2895 	 */
2896 	snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
2897 		 periph->unit_number);
2898 	TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
2899 
2900 	/*
2901 	 * 6, 10, 12 and 16 are the currently permissible values.
2902 	 */
2903 	if (softc->minimum_cmd_size > 12)
2904 		softc->minimum_cmd_size = 16;
2905 	else if (softc->minimum_cmd_size > 10)
2906 		softc->minimum_cmd_size = 12;
2907 	else if (softc->minimum_cmd_size > 6)
2908 		softc->minimum_cmd_size = 10;
2909 	else
2910 		softc->minimum_cmd_size = 6;
2911 
2912 	/* On first PROBE_WP request all more pages, then adjust. */
2913 	softc->mode_page = SMS_ALL_PAGES_PAGE;
2914 
2915 	/* Predict whether device may support READ CAPACITY(16). */
2916 	if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 &&
2917 	    (softc->quirks & DA_Q_NO_RC16) == 0) {
2918 		softc->flags |= DA_FLAG_CAN_RC16;
2919 	}
2920 
2921 	/*
2922 	 * Register this media as a disk.
2923 	 */
2924 	softc->disk = disk_alloc();
2925 	softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
2926 			  periph->unit_number, 0,
2927 			  DEVSTAT_BS_UNAVAILABLE,
2928 			  SID_TYPE(&cgd->inq_data) |
2929 			  XPORT_DEVSTAT_TYPE(cpi.transport),
2930 			  DEVSTAT_PRIORITY_DISK);
2931 	softc->disk->d_open = daopen;
2932 	softc->disk->d_close = daclose;
2933 	softc->disk->d_strategy = dastrategy;
2934 	if (cam_sim_pollable(periph->sim))
2935 		softc->disk->d_dump = dadump;
2936 	softc->disk->d_getattr = dagetattr;
2937 	softc->disk->d_gone = dadiskgonecb;
2938 	softc->disk->d_name = "da";
2939 	softc->disk->d_drv1 = periph;
2940 	if (cpi.maxio == 0)
2941 		softc->maxio = DFLTPHYS;	/* traditional default */
2942 	else if (cpi.maxio > maxphys)
2943 		softc->maxio = maxphys;		/* for safety */
2944 	else
2945 		softc->maxio = cpi.maxio;
2946 	if (softc->quirks & DA_Q_128KB)
2947 		softc->maxio = min(softc->maxio, 128 * 1024);
2948 	softc->disk->d_maxsize = softc->maxio;
2949 	softc->disk->d_unit = periph->unit_number;
2950 	softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION | DISKFLAG_CANZONE;
2951 	if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
2952 		softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
2953 	if ((cpi.hba_misc & PIM_UNMAPPED) != 0) {
2954 		softc->flags |= DA_FLAG_UNMAPPEDIO;
2955 		softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
2956 	}
2957 	cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
2958 	    sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
2959 	strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
2960 	cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
2961 	    cgd->inq_data.product, sizeof(cgd->inq_data.product),
2962 	    sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
2963 	softc->disk->d_hba_vendor = cpi.hba_vendor;
2964 	softc->disk->d_hba_device = cpi.hba_device;
2965 	softc->disk->d_hba_subvendor = cpi.hba_subvendor;
2966 	softc->disk->d_hba_subdevice = cpi.hba_subdevice;
2967 	snprintf(softc->disk->d_attachment, sizeof(softc->disk->d_attachment),
2968 	    "%s%d", cpi.dev_name, cpi.unit_number);
2969 
2970 	/*
2971 	 * Acquire a reference to the periph before we register with GEOM.
2972 	 * We'll release this reference once GEOM calls us back (via
2973 	 * dadiskgonecb()) telling us that our provider has been freed.
2974 	 */
2975 	if (da_periph_acquire(periph, DA_REF_GEOM) != 0) {
2976 		xpt_print(periph->path, "%s: lost periph during "
2977 			  "registration!\n", __func__);
2978 		cam_periph_lock(periph);
2979 		return (CAM_REQ_CMP_ERR);
2980 	}
2981 
2982 	disk_create(softc->disk, DISK_VERSION);
2983 	cam_periph_lock(periph);
2984 
2985 	/*
2986 	 * Add async callbacks for events of interest.
2987 	 * I don't bother checking if this fails as,
2988 	 * in most cases, the system will function just
2989 	 * fine without them and the only alternative
2990 	 * would be to not attach the device on failure.
2991 	 */
2992 	xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
2993 	    AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION |
2994 	    AC_INQ_CHANGED, daasync, periph, periph->path);
2995 
2996 	/*
2997 	 * Emit an attribute changed notification just in case
2998 	 * physical path information arrived before our async
2999 	 * event handler was registered, but after anyone attaching
3000 	 * to our disk device polled it.
3001 	 */
3002 	disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT);
3003 
3004 	/*
3005 	 * Schedule a periodic media polling events.
3006 	 */
3007 	callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0);
3008 	if ((softc->flags & DA_FLAG_PACK_REMOVABLE) &&
3009 	    (cgd->inq_flags & SID_AEN) == 0 &&
3010 	    da_poll_period != 0) {
3011 		callout_reset_sbt(&softc->mediapoll_c, da_poll_period * SBT_1S,
3012 		    0, damediapoll, periph, C_PREL(1));
3013 	}
3014 
3015 	xpt_schedule(periph, CAM_PRIORITY_DEV);
3016 
3017 	return(CAM_REQ_CMP);
3018 }
3019 
3020 static int
3021 da_zone_bio_to_scsi(int disk_zone_cmd)
3022 {
3023 	switch (disk_zone_cmd) {
3024 	case DISK_ZONE_OPEN:
3025 		return ZBC_OUT_SA_OPEN;
3026 	case DISK_ZONE_CLOSE:
3027 		return ZBC_OUT_SA_CLOSE;
3028 	case DISK_ZONE_FINISH:
3029 		return ZBC_OUT_SA_FINISH;
3030 	case DISK_ZONE_RWP:
3031 		return ZBC_OUT_SA_RWP;
3032 	}
3033 
3034 	return -1;
3035 }
3036 
3037 static int
3038 da_zone_cmd(struct cam_periph *periph, union ccb *ccb, struct bio *bp,
3039 	    int *queue_ccb)
3040 {
3041 	struct da_softc *softc;
3042 	int error;
3043 
3044 	error = 0;
3045 
3046 	if (bp->bio_cmd != BIO_ZONE) {
3047 		error = EINVAL;
3048 		goto bailout;
3049 	}
3050 
3051 	softc = periph->softc;
3052 
3053 	switch (bp->bio_zone.zone_cmd) {
3054 	case DISK_ZONE_OPEN:
3055 	case DISK_ZONE_CLOSE:
3056 	case DISK_ZONE_FINISH:
3057 	case DISK_ZONE_RWP: {
3058 		int zone_flags;
3059 		int zone_sa;
3060 		uint64_t lba;
3061 
3062 		zone_sa = da_zone_bio_to_scsi(bp->bio_zone.zone_cmd);
3063 		if (zone_sa == -1) {
3064 			xpt_print(periph->path, "Cannot translate zone "
3065 			    "cmd %#x to SCSI\n", bp->bio_zone.zone_cmd);
3066 			error = EINVAL;
3067 			goto bailout;
3068 		}
3069 
3070 		zone_flags = 0;
3071 		lba = bp->bio_zone.zone_params.rwp.id;
3072 
3073 		if (bp->bio_zone.zone_params.rwp.flags &
3074 		    DISK_ZONE_RWP_FLAG_ALL)
3075 			zone_flags |= ZBC_OUT_ALL;
3076 
3077 		if (softc->zone_interface != DA_ZONE_IF_ATA_PASS) {
3078 			scsi_zbc_out(&ccb->csio,
3079 				     /*retries*/ da_retry_count,
3080 				     /*cbfcnp*/ dadone,
3081 				     /*tag_action*/ MSG_SIMPLE_Q_TAG,
3082 				     /*service_action*/ zone_sa,
3083 				     /*zone_id*/ lba,
3084 				     /*zone_flags*/ zone_flags,
3085 				     /*data_ptr*/ NULL,
3086 				     /*dxfer_len*/ 0,
3087 				     /*sense_len*/ SSD_FULL_SIZE,
3088 				     /*timeout*/ da_default_timeout * 1000);
3089 		} else {
3090 			/*
3091 			 * Note that in this case, even though we can
3092 			 * technically use NCQ, we don't bother for several
3093 			 * reasons:
3094 			 * 1. It hasn't been tested on a SAT layer that
3095 			 *    supports it.  This is new as of SAT-4.
3096 			 * 2. Even when there is a SAT layer that supports
3097 			 *    it, that SAT layer will also probably support
3098 			 *    ZBC -> ZAC translation, since they are both
3099 			 *    in the SAT-4 spec.
3100 			 * 3. Translation will likely be preferable to ATA
3101 			 *    passthrough.  LSI / Avago at least single
3102 			 *    steps ATA passthrough commands in the HBA,
3103 			 *    regardless of protocol, so unless that
3104 			 *    changes, there is a performance penalty for
3105 			 *    doing ATA passthrough no matter whether
3106 			 *    you're using NCQ/FPDMA, DMA or PIO.
3107 			 * 4. It requires a 32-byte CDB, which at least at
3108 			 *    this point in CAM requires a CDB pointer, which
3109 			 *    would require us to allocate an additional bit
3110 			 *    of storage separate from the CCB.
3111 			 */
3112 			error = scsi_ata_zac_mgmt_out(&ccb->csio,
3113 			    /*retries*/ da_retry_count,
3114 			    /*cbfcnp*/ dadone,
3115 			    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3116 			    /*use_ncq*/ 0,
3117 			    /*zm_action*/ zone_sa,
3118 			    /*zone_id*/ lba,
3119 			    /*zone_flags*/ zone_flags,
3120 			    /*data_ptr*/ NULL,
3121 			    /*dxfer_len*/ 0,
3122 			    /*cdb_storage*/ NULL,
3123 			    /*cdb_storage_len*/ 0,
3124 			    /*sense_len*/ SSD_FULL_SIZE,
3125 			    /*timeout*/ da_default_timeout * 1000);
3126 			if (error != 0) {
3127 				error = EINVAL;
3128 				xpt_print(periph->path,
3129 				    "scsi_ata_zac_mgmt_out() returned an "
3130 				    "error!");
3131 				goto bailout;
3132 			}
3133 		}
3134 		*queue_ccb = 1;
3135 
3136 		break;
3137 	}
3138 	case DISK_ZONE_REPORT_ZONES: {
3139 		uint8_t *rz_ptr;
3140 		uint32_t num_entries, alloc_size;
3141 		struct disk_zone_report *rep;
3142 
3143 		rep = &bp->bio_zone.zone_params.report;
3144 
3145 		num_entries = rep->entries_allocated;
3146 		if (num_entries == 0) {
3147 			xpt_print(periph->path, "No entries allocated for "
3148 			    "Report Zones request\n");
3149 			error = EINVAL;
3150 			goto bailout;
3151 		}
3152 		alloc_size = sizeof(struct scsi_report_zones_hdr) +
3153 		    (sizeof(struct scsi_report_zones_desc) * num_entries);
3154 		alloc_size = min(alloc_size, softc->disk->d_maxsize);
3155 		rz_ptr = malloc(alloc_size, M_SCSIDA, M_NOWAIT | M_ZERO);
3156 		if (rz_ptr == NULL) {
3157 			xpt_print(periph->path, "Unable to allocate memory "
3158 			   "for Report Zones request\n");
3159 			error = ENOMEM;
3160 			goto bailout;
3161 		}
3162 
3163 		if (softc->zone_interface != DA_ZONE_IF_ATA_PASS) {
3164 			scsi_zbc_in(&ccb->csio,
3165 				    /*retries*/ da_retry_count,
3166 				    /*cbcfnp*/ dadone,
3167 				    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3168 				    /*service_action*/ ZBC_IN_SA_REPORT_ZONES,
3169 				    /*zone_start_lba*/ rep->starting_id,
3170 				    /*zone_options*/ rep->rep_options,
3171 				    /*data_ptr*/ rz_ptr,
3172 				    /*dxfer_len*/ alloc_size,
3173 				    /*sense_len*/ SSD_FULL_SIZE,
3174 				    /*timeout*/ da_default_timeout * 1000);
3175 		} else {
3176 			/*
3177 			 * Note that in this case, even though we can
3178 			 * technically use NCQ, we don't bother for several
3179 			 * reasons:
3180 			 * 1. It hasn't been tested on a SAT layer that
3181 			 *    supports it.  This is new as of SAT-4.
3182 			 * 2. Even when there is a SAT layer that supports
3183 			 *    it, that SAT layer will also probably support
3184 			 *    ZBC -> ZAC translation, since they are both
3185 			 *    in the SAT-4 spec.
3186 			 * 3. Translation will likely be preferable to ATA
3187 			 *    passthrough.  LSI / Avago at least single
3188 			 *    steps ATA passthrough commands in the HBA,
3189 			 *    regardless of protocol, so unless that
3190 			 *    changes, there is a performance penalty for
3191 			 *    doing ATA passthrough no matter whether
3192 			 *    you're using NCQ/FPDMA, DMA or PIO.
3193 			 * 4. It requires a 32-byte CDB, which at least at
3194 			 *    this point in CAM requires a CDB pointer, which
3195 			 *    would require us to allocate an additional bit
3196 			 *    of storage separate from the CCB.
3197 			 */
3198 			error = scsi_ata_zac_mgmt_in(&ccb->csio,
3199 			    /*retries*/ da_retry_count,
3200 			    /*cbcfnp*/ dadone,
3201 			    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3202 			    /*use_ncq*/ 0,
3203 			    /*zm_action*/ ATA_ZM_REPORT_ZONES,
3204 			    /*zone_id*/ rep->starting_id,
3205 			    /*zone_flags*/ rep->rep_options,
3206 			    /*data_ptr*/ rz_ptr,
3207 			    /*dxfer_len*/ alloc_size,
3208 			    /*cdb_storage*/ NULL,
3209 			    /*cdb_storage_len*/ 0,
3210 			    /*sense_len*/ SSD_FULL_SIZE,
3211 			    /*timeout*/ da_default_timeout * 1000);
3212 			if (error != 0) {
3213 				error = EINVAL;
3214 				xpt_print(periph->path,
3215 				    "scsi_ata_zac_mgmt_in() returned an "
3216 				    "error!");
3217 				goto bailout;
3218 			}
3219 		}
3220 
3221 		/*
3222 		 * For BIO_ZONE, this isn't normally needed.  However, it
3223 		 * is used by devstat_end_transaction_bio() to determine
3224 		 * how much data was transferred.
3225 		 */
3226 		/*
3227 		 * XXX KDM we have a problem.  But I'm not sure how to fix
3228 		 * it.  devstat uses bio_bcount - bio_resid to calculate
3229 		 * the amount of data transferred.   The GEOM disk code
3230 		 * uses bio_length - bio_resid to calculate the amount of
3231 		 * data in bio_completed.  We have different structure
3232 		 * sizes above and below the ada(4) driver.  So, if we
3233 		 * use the sizes above, the amount transferred won't be
3234 		 * quite accurate for devstat.  If we use different sizes
3235 		 * for bio_bcount and bio_length (above and below
3236 		 * respectively), then the residual needs to match one or
3237 		 * the other.  Everything is calculated after the bio
3238 		 * leaves the driver, so changing the values around isn't
3239 		 * really an option.  For now, just set the count to the
3240 		 * passed in length.  This means that the calculations
3241 		 * above (e.g. bio_completed) will be correct, but the
3242 		 * amount of data reported to devstat will be slightly
3243 		 * under or overstated.
3244 		 */
3245 		bp->bio_bcount = bp->bio_length;
3246 
3247 		*queue_ccb = 1;
3248 
3249 		break;
3250 	}
3251 	case DISK_ZONE_GET_PARAMS: {
3252 		struct disk_zone_disk_params *params;
3253 
3254 		params = &bp->bio_zone.zone_params.disk_params;
3255 		bzero(params, sizeof(*params));
3256 
3257 		switch (softc->zone_mode) {
3258 		case DA_ZONE_DRIVE_MANAGED:
3259 			params->zone_mode = DISK_ZONE_MODE_DRIVE_MANAGED;
3260 			break;
3261 		case DA_ZONE_HOST_AWARE:
3262 			params->zone_mode = DISK_ZONE_MODE_HOST_AWARE;
3263 			break;
3264 		case DA_ZONE_HOST_MANAGED:
3265 			params->zone_mode = DISK_ZONE_MODE_HOST_MANAGED;
3266 			break;
3267 		default:
3268 		case DA_ZONE_NONE:
3269 			params->zone_mode = DISK_ZONE_MODE_NONE;
3270 			break;
3271 		}
3272 
3273 		if (softc->zone_flags & DA_ZONE_FLAG_URSWRZ)
3274 			params->flags |= DISK_ZONE_DISK_URSWRZ;
3275 
3276 		if (softc->zone_flags & DA_ZONE_FLAG_OPT_SEQ_SET) {
3277 			params->optimal_seq_zones = softc->optimal_seq_zones;
3278 			params->flags |= DISK_ZONE_OPT_SEQ_SET;
3279 		}
3280 
3281 		if (softc->zone_flags & DA_ZONE_FLAG_OPT_NONSEQ_SET) {
3282 			params->optimal_nonseq_zones =
3283 			    softc->optimal_nonseq_zones;
3284 			params->flags |= DISK_ZONE_OPT_NONSEQ_SET;
3285 		}
3286 
3287 		if (softc->zone_flags & DA_ZONE_FLAG_MAX_SEQ_SET) {
3288 			params->max_seq_zones = softc->max_seq_zones;
3289 			params->flags |= DISK_ZONE_MAX_SEQ_SET;
3290 		}
3291 		if (softc->zone_flags & DA_ZONE_FLAG_RZ_SUP)
3292 			params->flags |= DISK_ZONE_RZ_SUP;
3293 
3294 		if (softc->zone_flags & DA_ZONE_FLAG_OPEN_SUP)
3295 			params->flags |= DISK_ZONE_OPEN_SUP;
3296 
3297 		if (softc->zone_flags & DA_ZONE_FLAG_CLOSE_SUP)
3298 			params->flags |= DISK_ZONE_CLOSE_SUP;
3299 
3300 		if (softc->zone_flags & DA_ZONE_FLAG_FINISH_SUP)
3301 			params->flags |= DISK_ZONE_FINISH_SUP;
3302 
3303 		if (softc->zone_flags & DA_ZONE_FLAG_RWP_SUP)
3304 			params->flags |= DISK_ZONE_RWP_SUP;
3305 		break;
3306 	}
3307 	default:
3308 		break;
3309 	}
3310 bailout:
3311 	return (error);
3312 }
3313 
3314 static void
3315 dastart(struct cam_periph *periph, union ccb *start_ccb)
3316 {
3317 	struct da_softc *softc;
3318 
3319 	cam_periph_assert(periph, MA_OWNED);
3320 	softc = (struct da_softc *)periph->softc;
3321 
3322 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n"));
3323 
3324 skipstate:
3325 	switch (softc->state) {
3326 	case DA_STATE_NORMAL:
3327 	{
3328 		struct bio *bp;
3329 		uint8_t tag_code;
3330 
3331 more:
3332 		bp = cam_iosched_next_bio(softc->cam_iosched);
3333 		if (bp == NULL) {
3334 			if (cam_iosched_has_work_flags(softc->cam_iosched,
3335 			    DA_WORK_TUR)) {
3336 				softc->flags |= DA_FLAG_TUR_PENDING;
3337 				cam_iosched_clr_work_flags(softc->cam_iosched,
3338 				    DA_WORK_TUR);
3339 				scsi_test_unit_ready(&start_ccb->csio,
3340 				     /*retries*/ da_retry_count,
3341 				     dadone_tur,
3342 				     MSG_SIMPLE_Q_TAG,
3343 				     SSD_FULL_SIZE,
3344 				     da_default_timeout * 1000);
3345 				start_ccb->ccb_h.ccb_bp = NULL;
3346 				start_ccb->ccb_h.ccb_state = DA_CCB_TUR;
3347 				xpt_action(start_ccb);
3348 			} else
3349 				xpt_release_ccb(start_ccb);
3350 			break;
3351 		}
3352 
3353 		if (bp->bio_cmd == BIO_DELETE) {
3354 			if (softc->delete_func != NULL) {
3355 				softc->delete_func(periph, start_ccb, bp);
3356 				goto out;
3357 			} else {
3358 				/*
3359 				 * Not sure this is possible, but failsafe by
3360 				 * lying and saying "sure, done."
3361 				 */
3362 				biofinish(bp, NULL, 0);
3363 				goto more;
3364 			}
3365 		}
3366 
3367 		if (cam_iosched_has_work_flags(softc->cam_iosched,
3368 		    DA_WORK_TUR)) {
3369 			cam_iosched_clr_work_flags(softc->cam_iosched,
3370 			    DA_WORK_TUR);
3371 			da_periph_release_locked(periph, DA_REF_TUR);
3372 		}
3373 
3374 		if ((bp->bio_flags & BIO_ORDERED) != 0 ||
3375 		    (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
3376 			softc->flags &= ~DA_FLAG_NEED_OTAG;
3377 			softc->flags |= DA_FLAG_WAS_OTAG;
3378 			tag_code = MSG_ORDERED_Q_TAG;
3379 		} else {
3380 			tag_code = MSG_SIMPLE_Q_TAG;
3381 		}
3382 
3383 		switch (bp->bio_cmd) {
3384 		case BIO_WRITE:
3385 		case BIO_READ:
3386 		{
3387 			void *data_ptr;
3388 			int rw_op;
3389 
3390 			biotrack(bp, __func__);
3391 
3392 			if (bp->bio_cmd == BIO_WRITE) {
3393 				softc->flags |= DA_FLAG_DIRTY;
3394 				rw_op = SCSI_RW_WRITE;
3395 			} else {
3396 				rw_op = SCSI_RW_READ;
3397 			}
3398 
3399 			data_ptr = bp->bio_data;
3400 			if ((bp->bio_flags & (BIO_UNMAPPED|BIO_VLIST)) != 0) {
3401 				rw_op |= SCSI_RW_BIO;
3402 				data_ptr = bp;
3403 			}
3404 
3405 			scsi_read_write(&start_ccb->csio,
3406 					/*retries*/da_retry_count,
3407 					/*cbfcnp*/dadone,
3408 					/*tag_action*/tag_code,
3409 					rw_op,
3410 					/*byte2*/0,
3411 					softc->minimum_cmd_size,
3412 					/*lba*/bp->bio_pblkno,
3413 					/*block_count*/bp->bio_bcount /
3414 					softc->params.secsize,
3415 					data_ptr,
3416 					/*dxfer_len*/ bp->bio_bcount,
3417 					/*sense_len*/SSD_FULL_SIZE,
3418 					da_default_timeout * 1000);
3419 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
3420 			start_ccb->csio.bio = bp;
3421 #endif
3422 			break;
3423 		}
3424 		case BIO_FLUSH:
3425 			/*
3426 			 * If we don't support sync cache, or the disk
3427 			 * isn't dirty, FLUSH is a no-op.  Use the
3428 			 * allocated CCB for the next bio if one is
3429 			 * available.
3430 			 */
3431 			if ((softc->quirks & DA_Q_NO_SYNC_CACHE) != 0 ||
3432 			    (softc->flags & DA_FLAG_DIRTY) == 0) {
3433 				biodone(bp);
3434 				goto skipstate;
3435 			}
3436 
3437 			/*
3438 			 * BIO_FLUSH doesn't currently communicate
3439 			 * range data, so we synchronize the cache
3440 			 * over the whole disk.
3441 			 */
3442 			scsi_synchronize_cache(&start_ccb->csio,
3443 					       /*retries*/1,
3444 					       /*cbfcnp*/dadone,
3445 					       /*tag_action*/tag_code,
3446 					       /*begin_lba*/0,
3447 					       /*lb_count*/0,
3448 					       SSD_FULL_SIZE,
3449 					       da_default_timeout*1000);
3450 			/*
3451 			 * Clear the dirty flag before sending the command.
3452 			 * Either this sync cache will be successful, or it
3453 			 * will fail after a retry.  If it fails, it is
3454 			 * unlikely to be successful if retried later, so
3455 			 * we'll save ourselves time by just marking the
3456 			 * device clean.
3457 			 */
3458 			softc->flags &= ~DA_FLAG_DIRTY;
3459 			break;
3460 		case BIO_ZONE: {
3461 			int error, queue_ccb;
3462 
3463 			queue_ccb = 0;
3464 
3465 			error = da_zone_cmd(periph, start_ccb, bp,&queue_ccb);
3466 			if ((error != 0)
3467 			 || (queue_ccb == 0)) {
3468 				biofinish(bp, NULL, error);
3469 				xpt_release_ccb(start_ccb);
3470 				return;
3471 			}
3472 			break;
3473 		}
3474 		default:
3475 			biofinish(bp, NULL, EOPNOTSUPP);
3476 			xpt_release_ccb(start_ccb);
3477 			return;
3478 		}
3479 		start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
3480 		start_ccb->ccb_h.flags |= CAM_UNLOCKED;
3481 		start_ccb->ccb_h.softtimeout = sbttotv(da_default_softtimeout);
3482 
3483 out:
3484 		LIST_INSERT_HEAD(&softc->pending_ccbs,
3485 				 &start_ccb->ccb_h, periph_links.le);
3486 
3487 		/* We expect a unit attention from this device */
3488 		if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
3489 			start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
3490 			softc->flags &= ~DA_FLAG_RETRY_UA;
3491 		}
3492 
3493 		start_ccb->ccb_h.ccb_bp = bp;
3494 		softc->refcount++;
3495 		cam_periph_unlock(periph);
3496 		xpt_action(start_ccb);
3497 		cam_periph_lock(periph);
3498 
3499 		/* May have more work to do, so ensure we stay scheduled */
3500 		daschedule(periph);
3501 		break;
3502 	}
3503 	case DA_STATE_PROBE_WP:
3504 	{
3505 		void  *mode_buf;
3506 		int    mode_buf_len;
3507 
3508 		if (da_disable_wp_detection || softc->mode_page < 0) {
3509 			if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
3510 				softc->state = DA_STATE_PROBE_RC16;
3511 			else
3512 				softc->state = DA_STATE_PROBE_RC;
3513 			goto skipstate;
3514 		}
3515 		mode_buf_len = 192;
3516 		mode_buf = malloc(mode_buf_len, M_SCSIDA, M_NOWAIT);
3517 		if (mode_buf == NULL) {
3518 			xpt_print(periph->path, "Unable to send mode sense - "
3519 			    "malloc failure\n");
3520 			if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
3521 				softc->state = DA_STATE_PROBE_RC16;
3522 			else
3523 				softc->state = DA_STATE_PROBE_RC;
3524 			goto skipstate;
3525 		}
3526 		scsi_mode_sense_len(&start_ccb->csio,
3527 				    /*retries*/ da_retry_count,
3528 				    /*cbfcnp*/ dadone_probewp,
3529 				    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3530 				    /*dbd*/ FALSE,
3531 				    /*pc*/ SMS_PAGE_CTRL_CURRENT,
3532 				    /*page*/ softc->mode_page,
3533 				    /*param_buf*/ mode_buf,
3534 				    /*param_len*/ mode_buf_len,
3535 				    /*minimum_cmd_size*/ softc->minimum_cmd_size,
3536 				    /*sense_len*/ SSD_FULL_SIZE,
3537 				    /*timeout*/ da_default_timeout * 1000);
3538 		start_ccb->ccb_h.ccb_bp = NULL;
3539 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_WP;
3540 		xpt_action(start_ccb);
3541 		break;
3542 	}
3543 	case DA_STATE_PROBE_RC:
3544 	{
3545 		struct scsi_read_capacity_data *rcap;
3546 
3547 		rcap = (struct scsi_read_capacity_data *)
3548 		    malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO);
3549 		if (rcap == NULL) {
3550 			printf("dastart: Couldn't malloc read_capacity data\n");
3551 			/* da_free_periph??? */
3552 			break;
3553 		}
3554 		scsi_read_capacity(&start_ccb->csio,
3555 				   /*retries*/da_retry_count,
3556 				   dadone_proberc,
3557 				   MSG_SIMPLE_Q_TAG,
3558 				   rcap,
3559 				   SSD_FULL_SIZE,
3560 				   /*timeout*/5000);
3561 		start_ccb->ccb_h.ccb_bp = NULL;
3562 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC;
3563 		xpt_action(start_ccb);
3564 		break;
3565 	}
3566 	case DA_STATE_PROBE_RC16:
3567 	{
3568 		struct scsi_read_capacity_data_long *rcaplong;
3569 
3570 		rcaplong = (struct scsi_read_capacity_data_long *)
3571 			malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO);
3572 		if (rcaplong == NULL) {
3573 			printf("dastart: Couldn't malloc read_capacity data\n");
3574 			/* da_free_periph??? */
3575 			break;
3576 		}
3577 		scsi_read_capacity_16(&start_ccb->csio,
3578 				      /*retries*/ da_retry_count,
3579 				      /*cbfcnp*/ dadone_proberc,
3580 				      /*tag_action*/ MSG_SIMPLE_Q_TAG,
3581 				      /*lba*/ 0,
3582 				      /*reladr*/ 0,
3583 				      /*pmi*/ 0,
3584 				      /*rcap_buf*/ (uint8_t *)rcaplong,
3585 				      /*rcap_buf_len*/ sizeof(*rcaplong),
3586 				      /*sense_len*/ SSD_FULL_SIZE,
3587 				      /*timeout*/ da_default_timeout * 1000);
3588 		start_ccb->ccb_h.ccb_bp = NULL;
3589 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16;
3590 		xpt_action(start_ccb);
3591 		break;
3592 	}
3593 	case DA_STATE_PROBE_LBP:
3594 	{
3595 		struct scsi_vpd_logical_block_prov *lbp;
3596 
3597 		if (!scsi_vpd_supported_page(periph, SVPD_LBP)) {
3598 			/*
3599 			 * If we get here we don't support any SBC-3 delete
3600 			 * methods with UNMAP as the Logical Block Provisioning
3601 			 * VPD page support is required for devices which
3602 			 * support it according to T10/1799-D Revision 31
3603 			 * however older revisions of the spec don't mandate
3604 			 * this so we currently don't remove these methods
3605 			 * from the available set.
3606 			 */
3607 			softc->state = DA_STATE_PROBE_BLK_LIMITS;
3608 			goto skipstate;
3609 		}
3610 
3611 		lbp = (struct scsi_vpd_logical_block_prov *)
3612 			malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO);
3613 
3614 		if (lbp == NULL) {
3615 			printf("dastart: Couldn't malloc lbp data\n");
3616 			/* da_free_periph??? */
3617 			break;
3618 		}
3619 
3620 		scsi_inquiry(&start_ccb->csio,
3621 			     /*retries*/da_retry_count,
3622 			     /*cbfcnp*/dadone_probelbp,
3623 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3624 			     /*inq_buf*/(u_int8_t *)lbp,
3625 			     /*inq_len*/sizeof(*lbp),
3626 			     /*evpd*/TRUE,
3627 			     /*page_code*/SVPD_LBP,
3628 			     /*sense_len*/SSD_MIN_SIZE,
3629 			     /*timeout*/da_default_timeout * 1000);
3630 		start_ccb->ccb_h.ccb_bp = NULL;
3631 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP;
3632 		xpt_action(start_ccb);
3633 		break;
3634 	}
3635 	case DA_STATE_PROBE_BLK_LIMITS:
3636 	{
3637 		struct scsi_vpd_block_limits *block_limits;
3638 
3639 		if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) {
3640 			/* Not supported skip to next probe */
3641 			softc->state = DA_STATE_PROBE_BDC;
3642 			goto skipstate;
3643 		}
3644 
3645 		block_limits = (struct scsi_vpd_block_limits *)
3646 			malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO);
3647 
3648 		if (block_limits == NULL) {
3649 			printf("dastart: Couldn't malloc block_limits data\n");
3650 			/* da_free_periph??? */
3651 			break;
3652 		}
3653 
3654 		scsi_inquiry(&start_ccb->csio,
3655 			     /*retries*/da_retry_count,
3656 			     /*cbfcnp*/dadone_probeblklimits,
3657 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3658 			     /*inq_buf*/(u_int8_t *)block_limits,
3659 			     /*inq_len*/sizeof(*block_limits),
3660 			     /*evpd*/TRUE,
3661 			     /*page_code*/SVPD_BLOCK_LIMITS,
3662 			     /*sense_len*/SSD_MIN_SIZE,
3663 			     /*timeout*/da_default_timeout * 1000);
3664 		start_ccb->ccb_h.ccb_bp = NULL;
3665 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS;
3666 		xpt_action(start_ccb);
3667 		break;
3668 	}
3669 	case DA_STATE_PROBE_BDC:
3670 	{
3671 		struct scsi_vpd_block_device_characteristics *bdc;
3672 
3673 		if (!scsi_vpd_supported_page(periph, SVPD_BDC)) {
3674 			softc->state = DA_STATE_PROBE_ATA;
3675 			goto skipstate;
3676 		}
3677 
3678 		bdc = (struct scsi_vpd_block_device_characteristics *)
3679 			malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
3680 
3681 		if (bdc == NULL) {
3682 			printf("dastart: Couldn't malloc bdc data\n");
3683 			/* da_free_periph??? */
3684 			break;
3685 		}
3686 
3687 		scsi_inquiry(&start_ccb->csio,
3688 			     /*retries*/da_retry_count,
3689 			     /*cbfcnp*/dadone_probebdc,
3690 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3691 			     /*inq_buf*/(u_int8_t *)bdc,
3692 			     /*inq_len*/sizeof(*bdc),
3693 			     /*evpd*/TRUE,
3694 			     /*page_code*/SVPD_BDC,
3695 			     /*sense_len*/SSD_MIN_SIZE,
3696 			     /*timeout*/da_default_timeout * 1000);
3697 		start_ccb->ccb_h.ccb_bp = NULL;
3698 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC;
3699 		xpt_action(start_ccb);
3700 		break;
3701 	}
3702 	case DA_STATE_PROBE_ATA:
3703 	{
3704 		struct ata_params *ata_params;
3705 
3706 		if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
3707 			if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
3708 			 || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
3709 				/*
3710 				 * Note that if the ATA VPD page isn't
3711 				 * supported, we aren't talking to an ATA
3712 				 * device anyway.  Support for that VPD
3713 				 * page is mandatory for SCSI to ATA (SAT)
3714 				 * translation layers.
3715 				 */
3716 				softc->state = DA_STATE_PROBE_ZONE;
3717 				goto skipstate;
3718 			}
3719 			daprobedone(periph, start_ccb);
3720 			break;
3721 		}
3722 
3723 		ata_params = &periph->path->device->ident_data;
3724 
3725 		scsi_ata_identify(&start_ccb->csio,
3726 				  /*retries*/da_retry_count,
3727 				  /*cbfcnp*/dadone_probeata,
3728                                   /*tag_action*/MSG_SIMPLE_Q_TAG,
3729 				  /*data_ptr*/(u_int8_t *)ata_params,
3730 				  /*dxfer_len*/sizeof(*ata_params),
3731 				  /*sense_len*/SSD_FULL_SIZE,
3732 				  /*timeout*/da_default_timeout * 1000);
3733 		start_ccb->ccb_h.ccb_bp = NULL;
3734 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA;
3735 		xpt_action(start_ccb);
3736 		break;
3737 	}
3738 	case DA_STATE_PROBE_ATA_LOGDIR:
3739 	{
3740 		struct ata_gp_log_dir *log_dir;
3741 		int retval;
3742 
3743 		retval = 0;
3744 
3745 		if ((softc->flags & DA_FLAG_CAN_ATA_LOG) == 0) {
3746 			/*
3747 			 * If we don't have log support, not much point in
3748 			 * trying to probe zone support.
3749 			 */
3750 			daprobedone(periph, start_ccb);
3751 			break;
3752 		}
3753 
3754 		/*
3755 		 * If we have an ATA device (the SCSI ATA Information VPD
3756 		 * page should be present and the ATA identify should have
3757 		 * succeeded) and it supports logs, ask for the log directory.
3758 		 */
3759 
3760 		log_dir = malloc(sizeof(*log_dir), M_SCSIDA, M_NOWAIT|M_ZERO);
3761 		if (log_dir == NULL) {
3762 			xpt_print(periph->path, "Couldn't malloc log_dir "
3763 			    "data\n");
3764 			daprobedone(periph, start_ccb);
3765 			break;
3766 		}
3767 
3768 		retval = scsi_ata_read_log(&start_ccb->csio,
3769 		    /*retries*/ da_retry_count,
3770 		    /*cbfcnp*/ dadone_probeatalogdir,
3771 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3772 		    /*log_address*/ ATA_LOG_DIRECTORY,
3773 		    /*page_number*/ 0,
3774 		    /*block_count*/ 1,
3775 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3776 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3777 		    /*data_ptr*/ (uint8_t *)log_dir,
3778 		    /*dxfer_len*/ sizeof(*log_dir),
3779 		    /*sense_len*/ SSD_FULL_SIZE,
3780 		    /*timeout*/ da_default_timeout * 1000);
3781 
3782 		if (retval != 0) {
3783 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3784 			free(log_dir, M_SCSIDA);
3785 			daprobedone(periph, start_ccb);
3786 			break;
3787 		}
3788 		start_ccb->ccb_h.ccb_bp = NULL;
3789 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_LOGDIR;
3790 		xpt_action(start_ccb);
3791 		break;
3792 	}
3793 	case DA_STATE_PROBE_ATA_IDDIR:
3794 	{
3795 		struct ata_identify_log_pages *id_dir;
3796 		int retval;
3797 
3798 		retval = 0;
3799 
3800 		/*
3801 		 * Check here to see whether the Identify Device log is
3802 		 * supported in the directory of logs.  If so, continue
3803 		 * with requesting the log of identify device pages.
3804 		 */
3805 		if ((softc->flags & DA_FLAG_CAN_ATA_IDLOG) == 0) {
3806 			daprobedone(periph, start_ccb);
3807 			break;
3808 		}
3809 
3810 		id_dir = malloc(sizeof(*id_dir), M_SCSIDA, M_NOWAIT | M_ZERO);
3811 		if (id_dir == NULL) {
3812 			xpt_print(periph->path, "Couldn't malloc id_dir "
3813 			    "data\n");
3814 			daprobedone(periph, start_ccb);
3815 			break;
3816 		}
3817 
3818 		retval = scsi_ata_read_log(&start_ccb->csio,
3819 		    /*retries*/ da_retry_count,
3820 		    /*cbfcnp*/ dadone_probeataiddir,
3821 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3822 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3823 		    /*page_number*/ ATA_IDL_PAGE_LIST,
3824 		    /*block_count*/ 1,
3825 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3826 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3827 		    /*data_ptr*/ (uint8_t *)id_dir,
3828 		    /*dxfer_len*/ sizeof(*id_dir),
3829 		    /*sense_len*/ SSD_FULL_SIZE,
3830 		    /*timeout*/ da_default_timeout * 1000);
3831 
3832 		if (retval != 0) {
3833 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3834 			free(id_dir, M_SCSIDA);
3835 			daprobedone(periph, start_ccb);
3836 			break;
3837 		}
3838 		start_ccb->ccb_h.ccb_bp = NULL;
3839 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_IDDIR;
3840 		xpt_action(start_ccb);
3841 		break;
3842 	}
3843 	case DA_STATE_PROBE_ATA_SUP:
3844 	{
3845 		struct ata_identify_log_sup_cap *sup_cap;
3846 		int retval;
3847 
3848 		retval = 0;
3849 
3850 		/*
3851 		 * Check here to see whether the Supported Capabilities log
3852 		 * is in the list of Identify Device logs.
3853 		 */
3854 		if ((softc->flags & DA_FLAG_CAN_ATA_SUPCAP) == 0) {
3855 			daprobedone(periph, start_ccb);
3856 			break;
3857 		}
3858 
3859 		sup_cap = malloc(sizeof(*sup_cap), M_SCSIDA, M_NOWAIT|M_ZERO);
3860 		if (sup_cap == NULL) {
3861 			xpt_print(periph->path, "Couldn't malloc sup_cap "
3862 			    "data\n");
3863 			daprobedone(periph, start_ccb);
3864 			break;
3865 		}
3866 
3867 		retval = scsi_ata_read_log(&start_ccb->csio,
3868 		    /*retries*/ da_retry_count,
3869 		    /*cbfcnp*/ dadone_probeatasup,
3870 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3871 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3872 		    /*page_number*/ ATA_IDL_SUP_CAP,
3873 		    /*block_count*/ 1,
3874 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3875 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3876 		    /*data_ptr*/ (uint8_t *)sup_cap,
3877 		    /*dxfer_len*/ sizeof(*sup_cap),
3878 		    /*sense_len*/ SSD_FULL_SIZE,
3879 		    /*timeout*/ da_default_timeout * 1000);
3880 
3881 		if (retval != 0) {
3882 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3883 			free(sup_cap, M_SCSIDA);
3884 			daprobedone(periph, start_ccb);
3885 			break;
3886 		}
3887 
3888 		start_ccb->ccb_h.ccb_bp = NULL;
3889 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_SUP;
3890 		xpt_action(start_ccb);
3891 		break;
3892 	}
3893 	case DA_STATE_PROBE_ATA_ZONE:
3894 	{
3895 		struct ata_zoned_info_log *ata_zone;
3896 		int retval;
3897 
3898 		retval = 0;
3899 
3900 		/*
3901 		 * Check here to see whether the zoned device information
3902 		 * page is supported.  If so, continue on to request it.
3903 		 * If not, skip to DA_STATE_PROBE_LOG or done.
3904 		 */
3905 		if ((softc->flags & DA_FLAG_CAN_ATA_ZONE) == 0) {
3906 			daprobedone(periph, start_ccb);
3907 			break;
3908 		}
3909 		ata_zone = malloc(sizeof(*ata_zone), M_SCSIDA,
3910 				  M_NOWAIT|M_ZERO);
3911 		if (ata_zone == NULL) {
3912 			xpt_print(periph->path, "Couldn't malloc ata_zone "
3913 			    "data\n");
3914 			daprobedone(periph, start_ccb);
3915 			break;
3916 		}
3917 
3918 		retval = scsi_ata_read_log(&start_ccb->csio,
3919 		    /*retries*/ da_retry_count,
3920 		    /*cbfcnp*/ dadone_probeatazone,
3921 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3922 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3923 		    /*page_number*/ ATA_IDL_ZDI,
3924 		    /*block_count*/ 1,
3925 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3926 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3927 		    /*data_ptr*/ (uint8_t *)ata_zone,
3928 		    /*dxfer_len*/ sizeof(*ata_zone),
3929 		    /*sense_len*/ SSD_FULL_SIZE,
3930 		    /*timeout*/ da_default_timeout * 1000);
3931 
3932 		if (retval != 0) {
3933 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3934 			free(ata_zone, M_SCSIDA);
3935 			daprobedone(periph, start_ccb);
3936 			break;
3937 		}
3938 		start_ccb->ccb_h.ccb_bp = NULL;
3939 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_ZONE;
3940 		xpt_action(start_ccb);
3941 
3942 		break;
3943 	}
3944 	case DA_STATE_PROBE_ZONE:
3945 	{
3946 		struct scsi_vpd_zoned_bdc *bdc;
3947 
3948 		/*
3949 		 * Note that this page will be supported for SCSI protocol
3950 		 * devices that support ZBC (SMR devices), as well as ATA
3951 		 * protocol devices that are behind a SAT (SCSI to ATA
3952 		 * Translation) layer that supports converting ZBC commands
3953 		 * to their ZAC equivalents.
3954 		 */
3955 		if (!scsi_vpd_supported_page(periph, SVPD_ZONED_BDC)) {
3956 			daprobedone(periph, start_ccb);
3957 			break;
3958 		}
3959 		bdc = (struct scsi_vpd_zoned_bdc *)
3960 			malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
3961 
3962 		if (bdc == NULL) {
3963 			xpt_release_ccb(start_ccb);
3964 			xpt_print(periph->path, "Couldn't malloc zone VPD "
3965 			    "data\n");
3966 			break;
3967 		}
3968 		scsi_inquiry(&start_ccb->csio,
3969 			     /*retries*/da_retry_count,
3970 			     /*cbfcnp*/dadone_probezone,
3971 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3972 			     /*inq_buf*/(u_int8_t *)bdc,
3973 			     /*inq_len*/sizeof(*bdc),
3974 			     /*evpd*/TRUE,
3975 			     /*page_code*/SVPD_ZONED_BDC,
3976 			     /*sense_len*/SSD_FULL_SIZE,
3977 			     /*timeout*/da_default_timeout * 1000);
3978 		start_ccb->ccb_h.ccb_bp = NULL;
3979 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ZONE;
3980 		xpt_action(start_ccb);
3981 		break;
3982 	}
3983 	}
3984 }
3985 
3986 /*
3987  * In each of the methods below, while its the caller's
3988  * responsibility to ensure the request will fit into a
3989  * single device request, we might have changed the delete
3990  * method due to the device incorrectly advertising either
3991  * its supported methods or limits.
3992  *
3993  * To prevent this causing further issues we validate the
3994  * against the methods limits, and warn which would
3995  * otherwise be unnecessary.
3996  */
3997 static void
3998 da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
3999 {
4000 	struct da_softc *softc = (struct da_softc *)periph->softc;
4001 	struct bio *bp1;
4002 	uint8_t *buf = softc->unmap_buf;
4003 	struct scsi_unmap_desc *d = (void *)&buf[UNMAP_HEAD_SIZE];
4004 	uint64_t lba, lastlba = (uint64_t)-1;
4005 	uint64_t totalcount = 0;
4006 	uint64_t count;
4007 	uint32_t c, lastcount = 0, ranges = 0;
4008 
4009 	/*
4010 	 * Currently this doesn't take the UNMAP
4011 	 * Granularity and Granularity Alignment
4012 	 * fields into account.
4013 	 *
4014 	 * This could result in both unoptimal unmap
4015 	 * requests as as well as UNMAP calls unmapping
4016 	 * fewer LBA's than requested.
4017 	 */
4018 
4019 	bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
4020 	bp1 = bp;
4021 	do {
4022 		/*
4023 		 * Note: ada and da are different in how they store the
4024 		 * pending bp's in a trim. ada stores all of them in the
4025 		 * trim_req.bps. da stores all but the first one in the
4026 		 * delete_run_queue. ada then completes all the bps in
4027 		 * its adadone() loop. da completes all the bps in the
4028 		 * delete_run_queue in dadone, and relies on the biodone
4029 		 * after to complete. This should be reconciled since there's
4030 		 * no real reason to do it differently. XXX
4031 		 */
4032 		if (bp1 != bp)
4033 			bioq_insert_tail(&softc->delete_run_queue, bp1);
4034 		lba = bp1->bio_pblkno;
4035 		count = bp1->bio_bcount / softc->params.secsize;
4036 
4037 		/* Try to extend the previous range. */
4038 		if (lba == lastlba) {
4039 			c = omin(count, UNMAP_RANGE_MAX - lastcount);
4040 			lastlba += c;
4041 			lastcount += c;
4042 			scsi_ulto4b(lastcount, d[ranges - 1].length);
4043 			count -= c;
4044 			lba += c;
4045 			totalcount += c;
4046 		} else if ((softc->quirks & DA_Q_STRICT_UNMAP) &&
4047 		    softc->unmap_gran != 0) {
4048 			/* Align length of the previous range. */
4049 			if ((c = lastcount % softc->unmap_gran) != 0) {
4050 				if (lastcount <= c) {
4051 					totalcount -= lastcount;
4052 					lastlba = (uint64_t)-1;
4053 					lastcount = 0;
4054 					ranges--;
4055 				} else {
4056 					totalcount -= c;
4057 					lastlba -= c;
4058 					lastcount -= c;
4059 					scsi_ulto4b(lastcount,
4060 					    d[ranges - 1].length);
4061 				}
4062 			}
4063 			/* Align beginning of the new range. */
4064 			c = (lba - softc->unmap_gran_align) % softc->unmap_gran;
4065 			if (c != 0) {
4066 				c = softc->unmap_gran - c;
4067 				if (count <= c) {
4068 					count = 0;
4069 				} else {
4070 					lba += c;
4071 					count -= c;
4072 				}
4073 			}
4074 		}
4075 
4076 		while (count > 0) {
4077 			c = omin(count, UNMAP_RANGE_MAX);
4078 			if (totalcount + c > softc->unmap_max_lba ||
4079 			    ranges >= softc->unmap_max_ranges) {
4080 				xpt_print(periph->path,
4081 				    "%s issuing short delete %ld > %ld"
4082 				    "|| %d >= %d",
4083 				    da_delete_method_desc[softc->delete_method],
4084 				    totalcount + c, softc->unmap_max_lba,
4085 				    ranges, softc->unmap_max_ranges);
4086 				break;
4087 			}
4088 			scsi_u64to8b(lba, d[ranges].lba);
4089 			scsi_ulto4b(c, d[ranges].length);
4090 			lba += c;
4091 			totalcount += c;
4092 			ranges++;
4093 			count -= c;
4094 			lastlba = lba;
4095 			lastcount = c;
4096 		}
4097 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
4098 		if (bp1 == NULL)
4099 			break;
4100 		if (ranges >= softc->unmap_max_ranges ||
4101 		    totalcount + bp1->bio_bcount /
4102 		    softc->params.secsize > softc->unmap_max_lba) {
4103 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
4104 			break;
4105 		}
4106 	} while (1);
4107 
4108 	/* Align length of the last range. */
4109 	if ((softc->quirks & DA_Q_STRICT_UNMAP) && softc->unmap_gran != 0 &&
4110 	    (c = lastcount % softc->unmap_gran) != 0) {
4111 		if (lastcount <= c)
4112 			ranges--;
4113 		else
4114 			scsi_ulto4b(lastcount - c, d[ranges - 1].length);
4115 	}
4116 
4117 	scsi_ulto2b(ranges * 16 + 6, &buf[0]);
4118 	scsi_ulto2b(ranges * 16, &buf[2]);
4119 
4120 	scsi_unmap(&ccb->csio,
4121 		   /*retries*/da_retry_count,
4122 		   /*cbfcnp*/dadone,
4123 		   /*tag_action*/MSG_SIMPLE_Q_TAG,
4124 		   /*byte2*/0,
4125 		   /*data_ptr*/ buf,
4126 		   /*dxfer_len*/ ranges * 16 + 8,
4127 		   /*sense_len*/SSD_FULL_SIZE,
4128 		   da_default_timeout * 1000);
4129 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4130 	ccb->ccb_h.flags |= CAM_UNLOCKED;
4131 	softc->trim_count++;
4132 	softc->trim_ranges += ranges;
4133 	softc->trim_lbas += totalcount;
4134 	cam_iosched_submit_trim(softc->cam_iosched);
4135 }
4136 
4137 static void
4138 da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
4139 {
4140 	struct da_softc *softc = (struct da_softc *)periph->softc;
4141 	struct bio *bp1;
4142 	uint8_t *buf = softc->unmap_buf;
4143 	uint64_t lastlba = (uint64_t)-1;
4144 	uint64_t count;
4145 	uint64_t lba;
4146 	uint32_t lastcount = 0, c, requestcount;
4147 	int ranges = 0, off, block_count;
4148 
4149 	bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
4150 	bp1 = bp;
4151 	do {
4152 		if (bp1 != bp)//XXX imp XXX
4153 			bioq_insert_tail(&softc->delete_run_queue, bp1);
4154 		lba = bp1->bio_pblkno;
4155 		count = bp1->bio_bcount / softc->params.secsize;
4156 		requestcount = count;
4157 
4158 		/* Try to extend the previous range. */
4159 		if (lba == lastlba) {
4160 			c = omin(count, ATA_DSM_RANGE_MAX - lastcount);
4161 			lastcount += c;
4162 			off = (ranges - 1) * 8;
4163 			buf[off + 6] = lastcount & 0xff;
4164 			buf[off + 7] = (lastcount >> 8) & 0xff;
4165 			count -= c;
4166 			lba += c;
4167 		}
4168 
4169 		while (count > 0) {
4170 			c = omin(count, ATA_DSM_RANGE_MAX);
4171 			off = ranges * 8;
4172 
4173 			buf[off + 0] = lba & 0xff;
4174 			buf[off + 1] = (lba >> 8) & 0xff;
4175 			buf[off + 2] = (lba >> 16) & 0xff;
4176 			buf[off + 3] = (lba >> 24) & 0xff;
4177 			buf[off + 4] = (lba >> 32) & 0xff;
4178 			buf[off + 5] = (lba >> 40) & 0xff;
4179 			buf[off + 6] = c & 0xff;
4180 			buf[off + 7] = (c >> 8) & 0xff;
4181 			lba += c;
4182 			ranges++;
4183 			count -= c;
4184 			lastcount = c;
4185 			if (count != 0 && ranges == softc->trim_max_ranges) {
4186 				xpt_print(periph->path,
4187 				    "%s issuing short delete %ld > %ld\n",
4188 				    da_delete_method_desc[softc->delete_method],
4189 				    requestcount,
4190 				    (softc->trim_max_ranges - ranges) *
4191 				    ATA_DSM_RANGE_MAX);
4192 				break;
4193 			}
4194 		}
4195 		lastlba = lba;
4196 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
4197 		if (bp1 == NULL)
4198 			break;
4199 		if (bp1->bio_bcount / softc->params.secsize >
4200 		    (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) {
4201 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
4202 			break;
4203 		}
4204 	} while (1);
4205 
4206 	block_count = howmany(ranges, ATA_DSM_BLK_RANGES);
4207 	scsi_ata_trim(&ccb->csio,
4208 		      /*retries*/da_retry_count,
4209 		      /*cbfcnp*/dadone,
4210 		      /*tag_action*/MSG_SIMPLE_Q_TAG,
4211 		      block_count,
4212 		      /*data_ptr*/buf,
4213 		      /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE,
4214 		      /*sense_len*/SSD_FULL_SIZE,
4215 		      da_default_timeout * 1000);
4216 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4217 	ccb->ccb_h.flags |= CAM_UNLOCKED;
4218 	cam_iosched_submit_trim(softc->cam_iosched);
4219 }
4220 
4221 /*
4222  * We calculate ws_max_blks here based off d_delmaxsize instead
4223  * of using softc->ws_max_blks as it is absolute max for the
4224  * device not the protocol max which may well be lower.
4225  */
4226 static void
4227 da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
4228 {
4229 	struct da_softc *softc;
4230 	struct bio *bp1;
4231 	uint64_t ws_max_blks;
4232 	uint64_t lba;
4233 	uint64_t count; /* forward compat with WS32 */
4234 
4235 	softc = (struct da_softc *)periph->softc;
4236 	ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize;
4237 	lba = bp->bio_pblkno;
4238 	count = 0;
4239 	bp1 = bp;
4240 	do {
4241 		if (bp1 != bp)//XXX imp XXX
4242 			bioq_insert_tail(&softc->delete_run_queue, bp1);
4243 		count += bp1->bio_bcount / softc->params.secsize;
4244 		if (count > ws_max_blks) {
4245 			xpt_print(periph->path,
4246 			    "%s issuing short delete %ld > %ld\n",
4247 			    da_delete_method_desc[softc->delete_method],
4248 			    count, ws_max_blks);
4249 			count = omin(count, ws_max_blks);
4250 			break;
4251 		}
4252 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
4253 		if (bp1 == NULL)
4254 			break;
4255 		if (lba + count != bp1->bio_pblkno ||
4256 		    count + bp1->bio_bcount /
4257 		    softc->params.secsize > ws_max_blks) {
4258 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
4259 			break;
4260 		}
4261 	} while (1);
4262 
4263 	scsi_write_same(&ccb->csio,
4264 			/*retries*/da_retry_count,
4265 			/*cbfcnp*/dadone,
4266 			/*tag_action*/MSG_SIMPLE_Q_TAG,
4267 			/*byte2*/softc->delete_method ==
4268 			    DA_DELETE_ZERO ? 0 : SWS_UNMAP,
4269 			softc->delete_method == DA_DELETE_WS16 ? 16 : 10,
4270 			/*lba*/lba,
4271 			/*block_count*/count,
4272 			/*data_ptr*/ __DECONST(void *, zero_region),
4273 			/*dxfer_len*/ softc->params.secsize,
4274 			/*sense_len*/SSD_FULL_SIZE,
4275 			da_default_timeout * 1000);
4276 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4277 	ccb->ccb_h.flags |= CAM_UNLOCKED;
4278 	cam_iosched_submit_trim(softc->cam_iosched);
4279 }
4280 
4281 static int
4282 cmd6workaround(union ccb *ccb)
4283 {
4284 	struct scsi_rw_6 cmd6;
4285 	struct scsi_rw_10 *cmd10;
4286 	struct da_softc *softc;
4287 	u_int8_t *cdb;
4288 	struct bio *bp;
4289 	int frozen;
4290 
4291 	cdb = ccb->csio.cdb_io.cdb_bytes;
4292 	softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
4293 
4294 	if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) {
4295 		da_delete_methods old_method = softc->delete_method;
4296 
4297 		/*
4298 		 * Typically there are two reasons for failure here
4299 		 * 1. Delete method was detected as supported but isn't
4300 		 * 2. Delete failed due to invalid params e.g. too big
4301 		 *
4302 		 * While we will attempt to choose an alternative delete method
4303 		 * this may result in short deletes if the existing delete
4304 		 * requests from geom are big for the new method chosen.
4305 		 *
4306 		 * This method assumes that the error which triggered this
4307 		 * will not retry the io otherwise a panic will occur
4308 		 */
4309 		dadeleteflag(softc, old_method, 0);
4310 		dadeletemethodchoose(softc, DA_DELETE_DISABLE);
4311 		if (softc->delete_method == DA_DELETE_DISABLE)
4312 			xpt_print(ccb->ccb_h.path,
4313 				  "%s failed, disabling BIO_DELETE\n",
4314 				  da_delete_method_desc[old_method]);
4315 		else
4316 			xpt_print(ccb->ccb_h.path,
4317 				  "%s failed, switching to %s BIO_DELETE\n",
4318 				  da_delete_method_desc[old_method],
4319 				  da_delete_method_desc[softc->delete_method]);
4320 
4321 		while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL)
4322 			cam_iosched_queue_work(softc->cam_iosched, bp);
4323 		cam_iosched_queue_work(softc->cam_iosched,
4324 		    (struct bio *)ccb->ccb_h.ccb_bp);
4325 		ccb->ccb_h.ccb_bp = NULL;
4326 		return (0);
4327 	}
4328 
4329 	/* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */
4330 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
4331 	    (*cdb == PREVENT_ALLOW) &&
4332 	    (softc->quirks & DA_Q_NO_PREVENT) == 0) {
4333 		if (bootverbose)
4334 			xpt_print(ccb->ccb_h.path,
4335 			    "PREVENT ALLOW MEDIUM REMOVAL not supported.\n");
4336 		softc->quirks |= DA_Q_NO_PREVENT;
4337 		return (0);
4338 	}
4339 
4340 	/* Detect unsupported SYNCHRONIZE CACHE(10). */
4341 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
4342 	    (*cdb == SYNCHRONIZE_CACHE) &&
4343 	    (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
4344 		if (bootverbose)
4345 			xpt_print(ccb->ccb_h.path,
4346 			    "SYNCHRONIZE CACHE(10) not supported.\n");
4347 		softc->quirks |= DA_Q_NO_SYNC_CACHE;
4348 		softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE;
4349 		return (0);
4350 	}
4351 
4352 	/* Translation only possible if CDB is an array and cmd is R/W6 */
4353 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
4354 	    (*cdb != READ_6 && *cdb != WRITE_6))
4355 		return 0;
4356 
4357 	xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, "
4358 	    "increasing minimum_cmd_size to 10.\n");
4359 	softc->minimum_cmd_size = 10;
4360 
4361 	bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
4362 	cmd10 = (struct scsi_rw_10 *)cdb;
4363 	cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
4364 	cmd10->byte2 = 0;
4365 	scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
4366 	cmd10->reserved = 0;
4367 	scsi_ulto2b(cmd6.length, cmd10->length);
4368 	cmd10->control = cmd6.control;
4369 	ccb->csio.cdb_len = sizeof(*cmd10);
4370 
4371 	/* Requeue request, unfreezing queue if necessary */
4372 	frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
4373 	ccb->ccb_h.status = CAM_REQUEUE_REQ;
4374 	xpt_action(ccb);
4375 	if (frozen) {
4376 		cam_release_devq(ccb->ccb_h.path,
4377 				 /*relsim_flags*/0,
4378 				 /*reduction*/0,
4379 				 /*timeout*/0,
4380 				 /*getcount_only*/0);
4381 	}
4382 	return (ERESTART);
4383 }
4384 
4385 static void
4386 dazonedone(struct cam_periph *periph, union ccb *ccb)
4387 {
4388 	struct da_softc *softc;
4389 	struct bio *bp;
4390 
4391 	softc = periph->softc;
4392 	bp = (struct bio *)ccb->ccb_h.ccb_bp;
4393 
4394 	switch (bp->bio_zone.zone_cmd) {
4395 	case DISK_ZONE_OPEN:
4396 	case DISK_ZONE_CLOSE:
4397 	case DISK_ZONE_FINISH:
4398 	case DISK_ZONE_RWP:
4399 		break;
4400 	case DISK_ZONE_REPORT_ZONES: {
4401 		uint32_t avail_len;
4402 		struct disk_zone_report *rep;
4403 		struct scsi_report_zones_hdr *hdr;
4404 		struct scsi_report_zones_desc *desc;
4405 		struct disk_zone_rep_entry *entry;
4406 		uint32_t hdr_len, num_avail;
4407 		uint32_t num_to_fill, i;
4408 		int ata;
4409 
4410 		rep = &bp->bio_zone.zone_params.report;
4411 		avail_len = ccb->csio.dxfer_len - ccb->csio.resid;
4412 		/*
4413 		 * Note that bio_resid isn't normally used for zone
4414 		 * commands, but it is used by devstat_end_transaction_bio()
4415 		 * to determine how much data was transferred.  Because
4416 		 * the size of the SCSI/ATA data structures is different
4417 		 * than the size of the BIO interface structures, the
4418 		 * amount of data actually transferred from the drive will
4419 		 * be different than the amount of data transferred to
4420 		 * the user.
4421 		 */
4422 		bp->bio_resid = ccb->csio.resid;
4423 		hdr = (struct scsi_report_zones_hdr *)ccb->csio.data_ptr;
4424 		if (avail_len < sizeof(*hdr)) {
4425 			/*
4426 			 * Is there a better error than EIO here?  We asked
4427 			 * for at least the header, and we got less than
4428 			 * that.
4429 			 */
4430 			bp->bio_error = EIO;
4431 			bp->bio_flags |= BIO_ERROR;
4432 			bp->bio_resid = bp->bio_bcount;
4433 			break;
4434 		}
4435 
4436 		if (softc->zone_interface == DA_ZONE_IF_ATA_PASS)
4437 			ata = 1;
4438 		else
4439 			ata = 0;
4440 
4441 		hdr_len = ata ? le32dec(hdr->length) :
4442 				scsi_4btoul(hdr->length);
4443 		if (hdr_len > 0)
4444 			rep->entries_available = hdr_len / sizeof(*desc);
4445 		else
4446 			rep->entries_available = 0;
4447 		/*
4448 		 * NOTE: using the same values for the BIO version of the
4449 		 * same field as the SCSI/ATA values.  This means we could
4450 		 * get some additional values that aren't defined in bio.h
4451 		 * if more values of the same field are defined later.
4452 		 */
4453 		rep->header.same = hdr->byte4 & SRZ_SAME_MASK;
4454 		rep->header.maximum_lba = ata ?  le64dec(hdr->maximum_lba) :
4455 					  scsi_8btou64(hdr->maximum_lba);
4456 		/*
4457 		 * If the drive reports no entries that match the query,
4458 		 * we're done.
4459 		 */
4460 		if (hdr_len == 0) {
4461 			rep->entries_filled = 0;
4462 			break;
4463 		}
4464 
4465 		num_avail = min((avail_len - sizeof(*hdr)) / sizeof(*desc),
4466 				hdr_len / sizeof(*desc));
4467 		/*
4468 		 * If the drive didn't return any data, then we're done.
4469 		 */
4470 		if (num_avail == 0) {
4471 			rep->entries_filled = 0;
4472 			break;
4473 		}
4474 
4475 		num_to_fill = min(num_avail, rep->entries_allocated);
4476 		/*
4477 		 * If the user didn't allocate any entries for us to fill,
4478 		 * we're done.
4479 		 */
4480 		if (num_to_fill == 0) {
4481 			rep->entries_filled = 0;
4482 			break;
4483 		}
4484 
4485 		for (i = 0, desc = &hdr->desc_list[0], entry=&rep->entries[0];
4486 		     i < num_to_fill; i++, desc++, entry++) {
4487 			/*
4488 			 * NOTE: we're mapping the values here directly
4489 			 * from the SCSI/ATA bit definitions to the bio.h
4490 			 * definitions. There is also a warning in
4491 			 * disk_zone.h, but the impact is that if
4492 			 * additional values are added in the SCSI/ATA
4493 			 * specs these will be visible to consumers of
4494 			 * this interface.
4495 			 */
4496 			entry->zone_type = desc->zone_type & SRZ_TYPE_MASK;
4497 			entry->zone_condition =
4498 			    (desc->zone_flags & SRZ_ZONE_COND_MASK) >>
4499 			    SRZ_ZONE_COND_SHIFT;
4500 			entry->zone_flags |= desc->zone_flags &
4501 			    (SRZ_ZONE_NON_SEQ|SRZ_ZONE_RESET);
4502 			entry->zone_length =
4503 			    ata ? le64dec(desc->zone_length) :
4504 				  scsi_8btou64(desc->zone_length);
4505 			entry->zone_start_lba =
4506 			    ata ? le64dec(desc->zone_start_lba) :
4507 				  scsi_8btou64(desc->zone_start_lba);
4508 			entry->write_pointer_lba =
4509 			    ata ? le64dec(desc->write_pointer_lba) :
4510 				  scsi_8btou64(desc->write_pointer_lba);
4511 		}
4512 		rep->entries_filled = num_to_fill;
4513 		break;
4514 	}
4515 	case DISK_ZONE_GET_PARAMS:
4516 	default:
4517 		/*
4518 		 * In theory we should not get a GET_PARAMS bio, since it
4519 		 * should be handled without queueing the command to the
4520 		 * drive.
4521 		 */
4522 		panic("%s: Invalid zone command %d", __func__,
4523 		    bp->bio_zone.zone_cmd);
4524 		break;
4525 	}
4526 
4527 	if (bp->bio_zone.zone_cmd == DISK_ZONE_REPORT_ZONES)
4528 		free(ccb->csio.data_ptr, M_SCSIDA);
4529 }
4530 
4531 static void
4532 dadone(struct cam_periph *periph, union ccb *done_ccb)
4533 {
4534 	struct bio *bp, *bp1;
4535 	struct da_softc *softc;
4536 	struct ccb_scsiio *csio;
4537 	da_ccb_state state;
4538 
4539 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n"));
4540 
4541 	softc = (struct da_softc *)periph->softc;
4542 	csio = &done_ccb->csio;
4543 
4544 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
4545 	if (csio->bio != NULL)
4546 		biotrack(csio->bio, __func__);
4547 #endif
4548 	state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
4549 
4550 	cam_periph_lock(periph);
4551 	bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
4552 	if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
4553 		int error;
4554 		int sf;
4555 
4556 		if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
4557 			sf = SF_RETRY_UA;
4558 		else
4559 			sf = 0;
4560 
4561 		error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
4562 		if (error == ERESTART) {
4563 			/* A retry was scheduled, so just return. */
4564 			cam_periph_unlock(periph);
4565 			return;
4566 		}
4567 		bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
4568 		if (error != 0) {
4569 			int queued_error;
4570 
4571 			/*
4572 			 * return all queued I/O with EIO, so that
4573 			 * the client can retry these I/Os in the
4574 			 * proper order should it attempt to recover.
4575 			 */
4576 			queued_error = EIO;
4577 
4578 			if (error == ENXIO
4579 			 && (softc->flags & DA_FLAG_PACK_INVALID)== 0) {
4580 				/*
4581 				 * Catastrophic error.  Mark our pack as
4582 				 * invalid.
4583 				 *
4584 				 * XXX See if this is really a media
4585 				 * XXX change first?
4586 				 */
4587 				xpt_print(periph->path, "Invalidating pack\n");
4588 				softc->flags |= DA_FLAG_PACK_INVALID;
4589 #ifdef CAM_IO_STATS
4590 				softc->invalidations++;
4591 #endif
4592 				queued_error = ENXIO;
4593 			}
4594 			cam_iosched_flush(softc->cam_iosched, NULL,
4595 			   queued_error);
4596 			if (bp != NULL) {
4597 				bp->bio_error = error;
4598 				bp->bio_resid = bp->bio_bcount;
4599 				bp->bio_flags |= BIO_ERROR;
4600 			}
4601 		} else if (bp != NULL) {
4602 			if (state == DA_CCB_DELETE)
4603 				bp->bio_resid = 0;
4604 			else
4605 				bp->bio_resid = csio->resid;
4606 			bp->bio_error = 0;
4607 			if (bp->bio_resid != 0)
4608 				bp->bio_flags |= BIO_ERROR;
4609 		}
4610 		if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
4611 			cam_release_devq(done_ccb->ccb_h.path,
4612 					 /*relsim_flags*/0,
4613 					 /*reduction*/0,
4614 					 /*timeout*/0,
4615 					 /*getcount_only*/0);
4616 	} else if (bp != NULL) {
4617 		if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
4618 			panic("REQ_CMP with QFRZN");
4619 		if (bp->bio_cmd == BIO_ZONE)
4620 			dazonedone(periph, done_ccb);
4621 		else if (state == DA_CCB_DELETE)
4622 			bp->bio_resid = 0;
4623 		else
4624 			bp->bio_resid = csio->resid;
4625 		if ((csio->resid > 0) && (bp->bio_cmd != BIO_ZONE))
4626 			bp->bio_flags |= BIO_ERROR;
4627 		if (softc->error_inject != 0) {
4628 			bp->bio_error = softc->error_inject;
4629 			bp->bio_resid = bp->bio_bcount;
4630 			bp->bio_flags |= BIO_ERROR;
4631 			softc->error_inject = 0;
4632 		}
4633 	}
4634 
4635 	if (bp != NULL)
4636 		biotrack(bp, __func__);
4637 	LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
4638 	if (LIST_EMPTY(&softc->pending_ccbs))
4639 		softc->flags |= DA_FLAG_WAS_OTAG;
4640 
4641 	/*
4642 	 * We need to call cam_iosched before we call biodone so that we don't
4643 	 * measure any activity that happens in the completion routine, which in
4644 	 * the case of sendfile can be quite extensive. Release the periph
4645 	 * refcount taken in dastart() for each CCB.
4646 	 */
4647 	cam_iosched_bio_complete(softc->cam_iosched, bp, done_ccb);
4648 	xpt_release_ccb(done_ccb);
4649 	KASSERT(softc->refcount >= 1, ("dadone softc %p refcount %d", softc, softc->refcount));
4650 	softc->refcount--;
4651 	if (state == DA_CCB_DELETE) {
4652 		TAILQ_HEAD(, bio) queue;
4653 
4654 		TAILQ_INIT(&queue);
4655 		TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue);
4656 		softc->delete_run_queue.insert_point = NULL;
4657 		/*
4658 		 * Normally, the xpt_release_ccb() above would make sure
4659 		 * that when we have more work to do, that work would
4660 		 * get kicked off. However, we specifically keep
4661 		 * delete_running set to 0 before the call above to
4662 		 * allow other I/O to progress when many BIO_DELETE
4663 		 * requests are pushed down. We set delete_running to 0
4664 		 * and call daschedule again so that we don't stall if
4665 		 * there are no other I/Os pending apart from BIO_DELETEs.
4666 		 */
4667 		cam_iosched_trim_done(softc->cam_iosched);
4668 		daschedule(periph);
4669 		cam_periph_unlock(periph);
4670 		while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
4671 			TAILQ_REMOVE(&queue, bp1, bio_queue);
4672 			bp1->bio_error = bp->bio_error;
4673 			if (bp->bio_flags & BIO_ERROR) {
4674 				bp1->bio_flags |= BIO_ERROR;
4675 				bp1->bio_resid = bp1->bio_bcount;
4676 			} else
4677 				bp1->bio_resid = 0;
4678 			biodone(bp1);
4679 		}
4680 	} else {
4681 		daschedule(periph);
4682 		cam_periph_unlock(periph);
4683 	}
4684 	if (bp != NULL)
4685 		biodone(bp);
4686 	return;
4687 }
4688 
4689 static void
4690 dadone_probewp(struct cam_periph *periph, union ccb *done_ccb)
4691 {
4692 	struct da_softc *softc;
4693 	struct ccb_scsiio *csio;
4694 	u_int32_t  priority;
4695 
4696 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probewp\n"));
4697 
4698 	softc = (struct da_softc *)periph->softc;
4699 	priority = done_ccb->ccb_h.pinfo.priority;
4700 	csio = &done_ccb->csio;
4701 
4702 	cam_periph_assert(periph, MA_OWNED);
4703 
4704 	KASSERT(softc->state == DA_STATE_PROBE_WP,
4705 	    ("State (%d) not PROBE_WP in dadone_probewp, periph %p ccb %p",
4706 		softc->state, periph, done_ccb));
4707         KASSERT((csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) == DA_CCB_PROBE_WP,
4708 	    ("CCB State (%lu) not PROBE_WP in dadone_probewp, periph %p ccb %p",
4709 		(unsigned long)csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK, periph,
4710 		done_ccb));
4711 
4712 	if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) {
4713 		int len, off;
4714 		uint8_t dev_spec;
4715 
4716 		if (csio->cdb_len > 6) {
4717 			struct scsi_mode_header_10 *mh =
4718 			    (struct scsi_mode_header_10 *)csio->data_ptr;
4719 			len = 2 + scsi_2btoul(mh->data_length);
4720 			off = sizeof(*mh) + scsi_2btoul(mh->blk_desc_len);
4721 			dev_spec = mh->dev_spec;
4722 		} else {
4723 			struct scsi_mode_header_6 *mh =
4724 			    (struct scsi_mode_header_6 *)csio->data_ptr;
4725 			len = 1 + mh->data_length;
4726 			off = sizeof(*mh) + mh->blk_desc_len;
4727 			dev_spec = mh->dev_spec;
4728 		}
4729 		if ((dev_spec & 0x80) != 0)
4730 			softc->disk->d_flags |= DISKFLAG_WRITE_PROTECT;
4731 		else
4732 			softc->disk->d_flags &= ~DISKFLAG_WRITE_PROTECT;
4733 
4734 		/* Next time request only the first of returned mode pages. */
4735 		if (off < len && off < csio->dxfer_len - csio->resid)
4736 			softc->mode_page = csio->data_ptr[off] & SMPH_PC_MASK;
4737 	} else {
4738 		int error;
4739 
4740 		error = daerror(done_ccb, CAM_RETRY_SELTO,
4741 				SF_RETRY_UA|SF_NO_PRINT);
4742 		if (error == ERESTART)
4743 			return;
4744 		else if (error != 0) {
4745 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4746 				/* Don't wedge this device's queue */
4747 				cam_release_devq(done_ccb->ccb_h.path,
4748 						 /*relsim_flags*/0,
4749 						 /*reduction*/0,
4750 						 /*timeout*/0,
4751 						 /*getcount_only*/0);
4752 			}
4753 
4754 			/* We don't depend on it, so don't try again. */
4755 			softc->mode_page = -1;
4756 		}
4757 	}
4758 
4759 	free(csio->data_ptr, M_SCSIDA);
4760 	if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
4761 		softc->state = DA_STATE_PROBE_RC16;
4762 	else
4763 		softc->state = DA_STATE_PROBE_RC;
4764 	xpt_release_ccb(done_ccb);
4765 	xpt_schedule(periph, priority);
4766 	return;
4767 }
4768 
4769 static void
4770 dadone_proberc(struct cam_periph *periph, union ccb *done_ccb)
4771 {
4772 	struct scsi_read_capacity_data *rdcap;
4773 	struct scsi_read_capacity_data_long *rcaplong;
4774 	struct da_softc *softc;
4775 	struct ccb_scsiio *csio;
4776 	da_ccb_state state;
4777 	char *announce_buf;
4778 	u_int32_t  priority;
4779 	int lbp, n;
4780 
4781 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_proberc\n"));
4782 
4783 	softc = (struct da_softc *)periph->softc;
4784 	priority = done_ccb->ccb_h.pinfo.priority;
4785 	csio = &done_ccb->csio;
4786 	state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
4787 
4788 	KASSERT(softc->state == DA_STATE_PROBE_RC || softc->state == DA_STATE_PROBE_RC16,
4789 	    ("State (%d) not PROBE_RC* in dadone_proberc, periph %p ccb %p",
4790 		softc->state, periph, done_ccb));
4791 	KASSERT(state == DA_CCB_PROBE_RC || state == DA_CCB_PROBE_RC16,
4792 	    ("CCB State (%lu) not PROBE_RC* in dadone_probewp, periph %p ccb %p",
4793 		(unsigned long)state, periph, done_ccb));
4794 
4795 	lbp = 0;
4796 	rdcap = NULL;
4797 	rcaplong = NULL;
4798 	/* XXX TODO: can this be a malloc? */
4799 	announce_buf = softc->announce_temp;
4800 	bzero(announce_buf, DA_ANNOUNCETMP_SZ);
4801 
4802 	if (state == DA_CCB_PROBE_RC)
4803 		rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
4804 	else
4805 		rcaplong = (struct scsi_read_capacity_data_long *)
4806 			csio->data_ptr;
4807 
4808 	cam_periph_assert(periph, MA_OWNED);
4809 
4810 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4811 		struct disk_params *dp;
4812 		uint32_t block_size;
4813 		uint64_t maxsector;
4814 		u_int lalba;	/* Lowest aligned LBA. */
4815 
4816 		if (state == DA_CCB_PROBE_RC) {
4817 			block_size = scsi_4btoul(rdcap->length);
4818 			maxsector = scsi_4btoul(rdcap->addr);
4819 			lalba = 0;
4820 
4821 			/*
4822 			 * According to SBC-2, if the standard 10
4823 			 * byte READ CAPACITY command returns 2^32,
4824 			 * we should issue the 16 byte version of
4825 			 * the command, since the device in question
4826 			 * has more sectors than can be represented
4827 			 * with the short version of the command.
4828 			 */
4829 			if (maxsector == 0xffffffff) {
4830 				free(rdcap, M_SCSIDA);
4831 				softc->state = DA_STATE_PROBE_RC16;
4832 				xpt_release_ccb(done_ccb);
4833 				xpt_schedule(periph, priority);
4834 				return;
4835 			}
4836 		} else {
4837 			block_size = scsi_4btoul(rcaplong->length);
4838 			maxsector = scsi_8btou64(rcaplong->addr);
4839 			lalba = scsi_2btoul(rcaplong->lalba_lbp);
4840 		}
4841 
4842 		/*
4843 		 * Because GEOM code just will panic us if we
4844 		 * give them an 'illegal' value we'll avoid that
4845 		 * here.
4846 		 */
4847 		if (block_size == 0) {
4848 			block_size = 512;
4849 			if (maxsector == 0)
4850 				maxsector = -1;
4851 		}
4852 		if (block_size >= maxphys) {
4853 			xpt_print(periph->path,
4854 			    "unsupportable block size %ju\n",
4855 			    (uintmax_t) block_size);
4856 			announce_buf = NULL;
4857 			cam_periph_invalidate(periph);
4858 		} else {
4859 			/*
4860 			 * We pass rcaplong into dasetgeom(),
4861 			 * because it will only use it if it is
4862 			 * non-NULL.
4863 			 */
4864 			dasetgeom(periph, block_size, maxsector,
4865 				  rcaplong, sizeof(*rcaplong));
4866 			lbp = (lalba & SRC16_LBPME_A);
4867 			dp = &softc->params;
4868 			n = snprintf(announce_buf, DA_ANNOUNCETMP_SZ,
4869 			    "%juMB (%ju %u byte sectors",
4870 			    ((uintmax_t)dp->secsize * dp->sectors) /
4871 			     (1024 * 1024),
4872 			    (uintmax_t)dp->sectors, dp->secsize);
4873 			if (softc->p_type != 0) {
4874 				n += snprintf(announce_buf + n,
4875 				    DA_ANNOUNCETMP_SZ - n,
4876 				    ", DIF type %d", softc->p_type);
4877 			}
4878 			snprintf(announce_buf + n, DA_ANNOUNCETMP_SZ - n, ")");
4879 		}
4880 	} else {
4881 		int error;
4882 
4883 		/*
4884 		 * Retry any UNIT ATTENTION type errors.  They
4885 		 * are expected at boot.
4886 		 */
4887 		error = daerror(done_ccb, CAM_RETRY_SELTO,
4888 				SF_RETRY_UA|SF_NO_PRINT);
4889 		if (error == ERESTART) {
4890 			/*
4891 			 * A retry was scheuled, so
4892 			 * just return.
4893 			 */
4894 			return;
4895 		} else if (error != 0) {
4896 			int asc, ascq;
4897 			int sense_key, error_code;
4898 			int have_sense;
4899 			cam_status status;
4900 			struct ccb_getdev cgd;
4901 
4902 			/* Don't wedge this device's queue */
4903 			status = done_ccb->ccb_h.status;
4904 			if ((status & CAM_DEV_QFRZN) != 0)
4905 				cam_release_devq(done_ccb->ccb_h.path,
4906 						 /*relsim_flags*/0,
4907 						 /*reduction*/0,
4908 						 /*timeout*/0,
4909 						 /*getcount_only*/0);
4910 
4911 			memset(&cgd, 0, sizeof(cgd));
4912 			xpt_setup_ccb(&cgd.ccb_h, done_ccb->ccb_h.path,
4913 				      CAM_PRIORITY_NORMAL);
4914 			cgd.ccb_h.func_code = XPT_GDEV_TYPE;
4915 			xpt_action((union ccb *)&cgd);
4916 
4917 			if (scsi_extract_sense_ccb(done_ccb,
4918 			    &error_code, &sense_key, &asc, &ascq))
4919 				have_sense = TRUE;
4920 			else
4921 				have_sense = FALSE;
4922 
4923 			/*
4924 			 * If we tried READ CAPACITY(16) and failed,
4925 			 * fallback to READ CAPACITY(10).
4926 			 */
4927 			if ((state == DA_CCB_PROBE_RC16) &&
4928 			    (softc->flags & DA_FLAG_CAN_RC16) &&
4929 			    (((csio->ccb_h.status & CAM_STATUS_MASK) ==
4930 				CAM_REQ_INVALID) ||
4931 			     ((have_sense) &&
4932 			      (error_code == SSD_CURRENT_ERROR ||
4933 			       error_code == SSD_DESC_CURRENT_ERROR) &&
4934 			      (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
4935 				cam_periph_assert(periph, MA_OWNED);
4936 				softc->flags &= ~DA_FLAG_CAN_RC16;
4937 				free(rdcap, M_SCSIDA);
4938 				softc->state = DA_STATE_PROBE_RC;
4939 				xpt_release_ccb(done_ccb);
4940 				xpt_schedule(periph, priority);
4941 				return;
4942 			}
4943 
4944 			/*
4945 			 * Attach to anything that claims to be a
4946 			 * direct access or optical disk device,
4947 			 * as long as it doesn't return a "Logical
4948 			 * unit not supported" (0x25) error.
4949 			 * "Internal Target Failure" (0x44) is also
4950 			 * special and typically means that the
4951 			 * device is a SATA drive behind a SATL
4952 			 * translation that's fallen into a
4953 			 * terminally fatal state.
4954 			 */
4955 			if ((have_sense)
4956 			 && (asc != 0x25) && (asc != 0x44)
4957 			 && (error_code == SSD_CURRENT_ERROR
4958 			  || error_code == SSD_DESC_CURRENT_ERROR)) {
4959 				const char *sense_key_desc;
4960 				const char *asc_desc;
4961 
4962 				dasetgeom(periph, 512, -1, NULL, 0);
4963 				scsi_sense_desc(sense_key, asc, ascq,
4964 						&cgd.inq_data, &sense_key_desc,
4965 						&asc_desc);
4966 				snprintf(announce_buf, DA_ANNOUNCETMP_SZ,
4967 				    "Attempt to query device "
4968 				    "size failed: %s, %s",
4969 				    sense_key_desc, asc_desc);
4970 			} else {
4971 				if (have_sense)
4972 					scsi_sense_print(&done_ccb->csio);
4973 				else {
4974 					xpt_print(periph->path,
4975 					    "got CAM status %#x\n",
4976 					    done_ccb->ccb_h.status);
4977 				}
4978 
4979 				xpt_print(periph->path, "fatal error, "
4980 				    "failed to attach to device\n");
4981 
4982 				announce_buf = NULL;
4983 
4984 				/*
4985 				 * Free up resources.
4986 				 */
4987 				cam_periph_invalidate(periph);
4988 			}
4989 		}
4990 	}
4991 	free(csio->data_ptr, M_SCSIDA);
4992 	if (announce_buf != NULL &&
4993 	    ((softc->flags & DA_FLAG_ANNOUNCED) == 0)) {
4994 		struct sbuf sb;
4995 
4996 		sbuf_new(&sb, softc->announcebuf, DA_ANNOUNCE_SZ,
4997 		    SBUF_FIXEDLEN);
4998 		xpt_announce_periph_sbuf(periph, &sb, announce_buf);
4999 		xpt_announce_quirks_sbuf(periph, &sb, softc->quirks,
5000 		    DA_Q_BIT_STRING);
5001 		sbuf_finish(&sb);
5002 		sbuf_putbuf(&sb);
5003 
5004 		/*
5005 		 * Create our sysctl variables, now that we know
5006 		 * we have successfully attached.
5007 		 */
5008 		/* increase the refcount */
5009 		if (da_periph_acquire(periph, DA_REF_SYSCTL) == 0) {
5010 			taskqueue_enqueue(taskqueue_thread,
5011 					  &softc->sysctl_task);
5012 		} else {
5013 			/* XXX This message is useless! */
5014 			xpt_print(periph->path, "fatal error, "
5015 			    "could not acquire reference count\n");
5016 		}
5017 	}
5018 
5019 	/* We already probed the device. */
5020 	if (softc->flags & DA_FLAG_PROBED) {
5021 		daprobedone(periph, done_ccb);
5022 		return;
5023 	}
5024 
5025 	/* Ensure re-probe doesn't see old delete. */
5026 	softc->delete_available = 0;
5027 	dadeleteflag(softc, DA_DELETE_ZERO, 1);
5028 	if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) {
5029 		/*
5030 		 * Based on older SBC-3 spec revisions
5031 		 * any of the UNMAP methods "may" be
5032 		 * available via LBP given this flag so
5033 		 * we flag all of them as available and
5034 		 * then remove those which further
5035 		 * probes confirm aren't available
5036 		 * later.
5037 		 *
5038 		 * We could also check readcap(16) p_type
5039 		 * flag to exclude one or more invalid
5040 		 * write same (X) types here
5041 		 */
5042 		dadeleteflag(softc, DA_DELETE_WS16, 1);
5043 		dadeleteflag(softc, DA_DELETE_WS10, 1);
5044 		dadeleteflag(softc, DA_DELETE_UNMAP, 1);
5045 
5046 		softc->state = DA_STATE_PROBE_LBP;
5047 		xpt_release_ccb(done_ccb);
5048 		xpt_schedule(periph, priority);
5049 		return;
5050 	}
5051 
5052 	softc->state = DA_STATE_PROBE_BDC;
5053 	xpt_release_ccb(done_ccb);
5054 	xpt_schedule(periph, priority);
5055 	return;
5056 }
5057 
5058 static void
5059 dadone_probelbp(struct cam_periph *periph, union ccb *done_ccb)
5060 {
5061 	struct scsi_vpd_logical_block_prov *lbp;
5062 	struct da_softc *softc;
5063 	struct ccb_scsiio *csio;
5064 	u_int32_t  priority;
5065 
5066 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probelbp\n"));
5067 
5068 	softc = (struct da_softc *)periph->softc;
5069 	priority = done_ccb->ccb_h.pinfo.priority;
5070 	csio = &done_ccb->csio;
5071 	lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr;
5072 
5073 	cam_periph_assert(periph, MA_OWNED);
5074 
5075 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5076 		/*
5077 		 * T10/1799-D Revision 31 states at least one of these
5078 		 * must be supported but we don't currently enforce this.
5079 		 */
5080 		dadeleteflag(softc, DA_DELETE_WS16,
5081 		     (lbp->flags & SVPD_LBP_WS16));
5082 		dadeleteflag(softc, DA_DELETE_WS10,
5083 			     (lbp->flags & SVPD_LBP_WS10));
5084 		dadeleteflag(softc, DA_DELETE_UNMAP,
5085 			     (lbp->flags & SVPD_LBP_UNMAP));
5086 	} else {
5087 		int error;
5088 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5089 				SF_RETRY_UA|SF_NO_PRINT);
5090 		if (error == ERESTART)
5091 			return;
5092 		else if (error != 0) {
5093 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5094 				/* Don't wedge this device's queue */
5095 				cam_release_devq(done_ccb->ccb_h.path,
5096 						 /*relsim_flags*/0,
5097 						 /*reduction*/0,
5098 						 /*timeout*/0,
5099 						 /*getcount_only*/0);
5100 			}
5101 
5102 			/*
5103 			 * Failure indicates we don't support any SBC-3
5104 			 * delete methods with UNMAP
5105 			 */
5106 		}
5107 	}
5108 
5109 	free(lbp, M_SCSIDA);
5110 	softc->state = DA_STATE_PROBE_BLK_LIMITS;
5111 	xpt_release_ccb(done_ccb);
5112 	xpt_schedule(periph, priority);
5113 	return;
5114 }
5115 
5116 static void
5117 dadone_probeblklimits(struct cam_periph *periph, union ccb *done_ccb)
5118 {
5119 	struct scsi_vpd_block_limits *block_limits;
5120 	struct da_softc *softc;
5121 	struct ccb_scsiio *csio;
5122 	u_int32_t  priority;
5123 
5124 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeblklimits\n"));
5125 
5126 	softc = (struct da_softc *)periph->softc;
5127 	priority = done_ccb->ccb_h.pinfo.priority;
5128 	csio = &done_ccb->csio;
5129 	block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr;
5130 
5131 	cam_periph_assert(periph, MA_OWNED);
5132 
5133 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5134 		uint32_t max_txfer_len = scsi_4btoul(
5135 			block_limits->max_txfer_len);
5136 		uint32_t max_unmap_lba_cnt = scsi_4btoul(
5137 			block_limits->max_unmap_lba_cnt);
5138 		uint32_t max_unmap_blk_cnt = scsi_4btoul(
5139 			block_limits->max_unmap_blk_cnt);
5140 		uint32_t unmap_gran = scsi_4btoul(
5141 			block_limits->opt_unmap_grain);
5142 		uint32_t unmap_gran_align = scsi_4btoul(
5143 			block_limits->unmap_grain_align);
5144 		uint64_t ws_max_blks = scsi_8btou64(
5145 			block_limits->max_write_same_length);
5146 
5147 		if (max_txfer_len != 0) {
5148 			softc->disk->d_maxsize = MIN(softc->maxio,
5149 			    (off_t)max_txfer_len * softc->params.secsize);
5150 		}
5151 
5152 		/*
5153 		 * We should already support UNMAP but we check lba
5154 		 * and block count to be sure
5155 		 */
5156 		if (max_unmap_lba_cnt != 0x00L &&
5157 		    max_unmap_blk_cnt != 0x00L) {
5158 			softc->unmap_max_lba = max_unmap_lba_cnt;
5159 			softc->unmap_max_ranges = min(max_unmap_blk_cnt,
5160 				UNMAP_MAX_RANGES);
5161 			if (unmap_gran > 1) {
5162 				softc->unmap_gran = unmap_gran;
5163 				if (unmap_gran_align & 0x80000000) {
5164 					softc->unmap_gran_align =
5165 					    unmap_gran_align & 0x7fffffff;
5166 				}
5167 			}
5168 		} else {
5169 			/*
5170 			 * Unexpected UNMAP limits which means the
5171 			 * device doesn't actually support UNMAP
5172 			 */
5173 			dadeleteflag(softc, DA_DELETE_UNMAP, 0);
5174 		}
5175 
5176 		if (ws_max_blks != 0x00L)
5177 			softc->ws_max_blks = ws_max_blks;
5178 	} else {
5179 		int error;
5180 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5181 				SF_RETRY_UA|SF_NO_PRINT);
5182 		if (error == ERESTART)
5183 			return;
5184 		else if (error != 0) {
5185 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5186 				/* Don't wedge this device's queue */
5187 				cam_release_devq(done_ccb->ccb_h.path,
5188 						 /*relsim_flags*/0,
5189 						 /*reduction*/0,
5190 						 /*timeout*/0,
5191 						 /*getcount_only*/0);
5192 			}
5193 
5194 			/*
5195 			 * Failure here doesn't mean UNMAP is not
5196 			 * supported as this is an optional page.
5197 			 */
5198 			softc->unmap_max_lba = 1;
5199 			softc->unmap_max_ranges = 1;
5200 		}
5201 	}
5202 
5203 	free(block_limits, M_SCSIDA);
5204 	softc->state = DA_STATE_PROBE_BDC;
5205 	xpt_release_ccb(done_ccb);
5206 	xpt_schedule(periph, priority);
5207 	return;
5208 }
5209 
5210 static void
5211 dadone_probebdc(struct cam_periph *periph, union ccb *done_ccb)
5212 {
5213 	struct scsi_vpd_block_device_characteristics *bdc;
5214 	struct da_softc *softc;
5215 	struct ccb_scsiio *csio;
5216 	u_int32_t  priority;
5217 
5218 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probebdc\n"));
5219 
5220 	softc = (struct da_softc *)periph->softc;
5221 	priority = done_ccb->ccb_h.pinfo.priority;
5222 	csio = &done_ccb->csio;
5223 	bdc = (struct scsi_vpd_block_device_characteristics *)csio->data_ptr;
5224 
5225 	cam_periph_assert(periph, MA_OWNED);
5226 
5227 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5228 		uint32_t valid_len;
5229 
5230 		/*
5231 		 * Disable queue sorting for non-rotational media
5232 		 * by default.
5233 		 */
5234 		u_int16_t old_rate = softc->disk->d_rotation_rate;
5235 
5236 		valid_len = csio->dxfer_len - csio->resid;
5237 		if (SBDC_IS_PRESENT(bdc, valid_len,
5238 		    medium_rotation_rate)) {
5239 			softc->disk->d_rotation_rate =
5240 				scsi_2btoul(bdc->medium_rotation_rate);
5241 			if (softc->disk->d_rotation_rate == SVPD_NON_ROTATING) {
5242 				cam_iosched_set_sort_queue(
5243 				    softc->cam_iosched, 0);
5244 				softc->flags &= ~DA_FLAG_ROTATING;
5245 			}
5246 			if (softc->disk->d_rotation_rate != old_rate) {
5247 				disk_attr_changed(softc->disk,
5248 				    "GEOM::rotation_rate", M_NOWAIT);
5249 			}
5250 		}
5251 		if ((SBDC_IS_PRESENT(bdc, valid_len, flags))
5252 		 && (softc->zone_mode == DA_ZONE_NONE)) {
5253 			int ata_proto;
5254 
5255 			if (scsi_vpd_supported_page(periph,
5256 			    SVPD_ATA_INFORMATION))
5257 				ata_proto = 1;
5258 			else
5259 				ata_proto = 0;
5260 
5261 			/*
5262 			 * The Zoned field will only be set for
5263 			 * Drive Managed and Host Aware drives.  If
5264 			 * they are Host Managed, the device type
5265 			 * in the standard INQUIRY data should be
5266 			 * set to T_ZBC_HM (0x14).
5267 			 */
5268 			if ((bdc->flags & SVPD_ZBC_MASK) ==
5269 			     SVPD_HAW_ZBC) {
5270 				softc->zone_mode = DA_ZONE_HOST_AWARE;
5271 				softc->zone_interface = (ata_proto) ?
5272 				   DA_ZONE_IF_ATA_SAT : DA_ZONE_IF_SCSI;
5273 			} else if ((bdc->flags & SVPD_ZBC_MASK) ==
5274 			     SVPD_DM_ZBC) {
5275 				softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
5276 				softc->zone_interface = (ata_proto) ?
5277 				   DA_ZONE_IF_ATA_SAT : DA_ZONE_IF_SCSI;
5278 			} else if ((bdc->flags & SVPD_ZBC_MASK) !=
5279 				  SVPD_ZBC_NR) {
5280 				xpt_print(periph->path, "Unknown zoned "
5281 				    "type %#x",
5282 				    bdc->flags & SVPD_ZBC_MASK);
5283 			}
5284 		}
5285 	} else {
5286 		int error;
5287 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5288 				SF_RETRY_UA|SF_NO_PRINT);
5289 		if (error == ERESTART)
5290 			return;
5291 		else if (error != 0) {
5292 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5293 				/* Don't wedge this device's queue */
5294 				cam_release_devq(done_ccb->ccb_h.path,
5295 						 /*relsim_flags*/0,
5296 						 /*reduction*/0,
5297 						 /*timeout*/0,
5298 						 /*getcount_only*/0);
5299 			}
5300 		}
5301 	}
5302 
5303 	free(bdc, M_SCSIDA);
5304 	softc->state = DA_STATE_PROBE_ATA;
5305 	xpt_release_ccb(done_ccb);
5306 	xpt_schedule(periph, priority);
5307 	return;
5308 }
5309 
5310 static void
5311 dadone_probeata(struct cam_periph *periph, union ccb *done_ccb)
5312 {
5313 	struct ata_params *ata_params;
5314 	struct ccb_scsiio *csio;
5315 	struct da_softc *softc;
5316 	u_int32_t  priority;
5317 	int continue_probe;
5318 	int error;
5319 
5320 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeata\n"));
5321 
5322 	softc = (struct da_softc *)periph->softc;
5323 	priority = done_ccb->ccb_h.pinfo.priority;
5324 	csio = &done_ccb->csio;
5325 	ata_params = (struct ata_params *)csio->data_ptr;
5326 	continue_probe = 0;
5327 	error = 0;
5328 
5329 	cam_periph_assert(periph, MA_OWNED);
5330 
5331 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5332 		uint16_t old_rate;
5333 
5334 		ata_param_fixup(ata_params);
5335 		if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM &&
5336 		    (softc->quirks & DA_Q_NO_UNMAP) == 0) {
5337 			dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1);
5338 			if (ata_params->max_dsm_blocks != 0)
5339 				softc->trim_max_ranges = min(
5340 				  softc->trim_max_ranges,
5341 				  ata_params->max_dsm_blocks *
5342 				  ATA_DSM_BLK_RANGES);
5343 		}
5344 		/*
5345 		 * Disable queue sorting for non-rotational media
5346 		 * by default.
5347 		 */
5348 		old_rate = softc->disk->d_rotation_rate;
5349 		softc->disk->d_rotation_rate = ata_params->media_rotation_rate;
5350 		if (softc->disk->d_rotation_rate == ATA_RATE_NON_ROTATING) {
5351 			cam_iosched_set_sort_queue(softc->cam_iosched, 0);
5352 			softc->flags &= ~DA_FLAG_ROTATING;
5353 		}
5354 		if (softc->disk->d_rotation_rate != old_rate) {
5355 			disk_attr_changed(softc->disk,
5356 			    "GEOM::rotation_rate", M_NOWAIT);
5357 		}
5358 
5359 		cam_periph_assert(periph, MA_OWNED);
5360 		if (ata_params->capabilities1 & ATA_SUPPORT_DMA)
5361 			softc->flags |= DA_FLAG_CAN_ATA_DMA;
5362 
5363 		if (ata_params->support.extension & ATA_SUPPORT_GENLOG)
5364 			softc->flags |= DA_FLAG_CAN_ATA_LOG;
5365 
5366 		/*
5367 		 * At this point, if we have a SATA host aware drive,
5368 		 * we communicate via ATA passthrough unless the
5369 		 * SAT layer supports ZBC -> ZAC translation.  In
5370 		 * that case,
5371 		 *
5372 		 * XXX KDM figure out how to detect a host managed
5373 		 * SATA drive.
5374 		 */
5375 		if (softc->zone_mode == DA_ZONE_NONE) {
5376 			/*
5377 			 * Note that we don't override the zone
5378 			 * mode or interface if it has already been
5379 			 * set.  This is because it has either been
5380 			 * set as a quirk, or when we probed the
5381 			 * SCSI Block Device Characteristics page,
5382 			 * the zoned field was set.  The latter
5383 			 * means that the SAT layer supports ZBC to
5384 			 * ZAC translation, and we would prefer to
5385 			 * use that if it is available.
5386 			 */
5387 			if ((ata_params->support3 &
5388 			    ATA_SUPPORT_ZONE_MASK) ==
5389 			    ATA_SUPPORT_ZONE_HOST_AWARE) {
5390 				softc->zone_mode = DA_ZONE_HOST_AWARE;
5391 				softc->zone_interface =
5392 				    DA_ZONE_IF_ATA_PASS;
5393 			} else if ((ata_params->support3 &
5394 				    ATA_SUPPORT_ZONE_MASK) ==
5395 				    ATA_SUPPORT_ZONE_DEV_MANAGED) {
5396 				softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
5397 				softc->zone_interface = DA_ZONE_IF_ATA_PASS;
5398 			}
5399 		}
5400 
5401 	} else {
5402 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5403 				SF_RETRY_UA|SF_NO_PRINT);
5404 		if (error == ERESTART)
5405 			return;
5406 		else if (error != 0) {
5407 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5408 				/* Don't wedge this device's queue */
5409 				cam_release_devq(done_ccb->ccb_h.path,
5410 						 /*relsim_flags*/0,
5411 						 /*reduction*/0,
5412 						 /*timeout*/0,
5413 						 /*getcount_only*/0);
5414 			}
5415 		}
5416 	}
5417 
5418 	if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
5419 	 || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
5420 		/*
5421 		 * If the ATA IDENTIFY failed, we could be talking
5422 		 * to a SCSI drive, although that seems unlikely,
5423 		 * since the drive did report that it supported the
5424 		 * ATA Information VPD page.  If the ATA IDENTIFY
5425 		 * succeeded, and the SAT layer doesn't support
5426 		 * ZBC -> ZAC translation, continue on to get the
5427 		 * directory of ATA logs, and complete the rest of
5428 		 * the ZAC probe.  If the SAT layer does support
5429 		 * ZBC -> ZAC translation, we want to use that,
5430 		 * and we'll probe the SCSI Zoned Block Device
5431 		 * Characteristics VPD page next.
5432 		 */
5433 		if ((error == 0)
5434 		 && (softc->flags & DA_FLAG_CAN_ATA_LOG)
5435 		 && (softc->zone_interface == DA_ZONE_IF_ATA_PASS))
5436 			softc->state = DA_STATE_PROBE_ATA_LOGDIR;
5437 		else
5438 			softc->state = DA_STATE_PROBE_ZONE;
5439 		continue_probe = 1;
5440 	}
5441 	if (continue_probe != 0) {
5442 		xpt_schedule(periph, priority);
5443 		xpt_release_ccb(done_ccb);
5444 		return;
5445 	} else
5446 		daprobedone(periph, done_ccb);
5447 	return;
5448 }
5449 
5450 static void
5451 dadone_probeatalogdir(struct cam_periph *periph, union ccb *done_ccb)
5452 {
5453 	struct da_softc *softc;
5454 	struct ccb_scsiio *csio;
5455 	u_int32_t  priority;
5456 	int error;
5457 
5458 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatalogdir\n"));
5459 
5460 	softc = (struct da_softc *)periph->softc;
5461 	priority = done_ccb->ccb_h.pinfo.priority;
5462 	csio = &done_ccb->csio;
5463 
5464 	cam_periph_assert(periph, MA_OWNED);
5465 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5466 		error = 0;
5467 		softc->valid_logdir_len = 0;
5468 		bzero(&softc->ata_logdir, sizeof(softc->ata_logdir));
5469 		softc->valid_logdir_len = csio->dxfer_len - csio->resid;
5470 		if (softc->valid_logdir_len > 0)
5471 			bcopy(csio->data_ptr, &softc->ata_logdir,
5472 			    min(softc->valid_logdir_len,
5473 				sizeof(softc->ata_logdir)));
5474 		/*
5475 		 * Figure out whether the Identify Device log is
5476 		 * supported.  The General Purpose log directory
5477 		 * has a header, and lists the number of pages
5478 		 * available for each GP log identified by the
5479 		 * offset into the list.
5480 		 */
5481 		if ((softc->valid_logdir_len >=
5482 		    ((ATA_IDENTIFY_DATA_LOG + 1) * sizeof(uint16_t)))
5483 		 && (le16dec(softc->ata_logdir.header) ==
5484 		     ATA_GP_LOG_DIR_VERSION)
5485 		 && (le16dec(&softc->ata_logdir.num_pages[
5486 		     (ATA_IDENTIFY_DATA_LOG *
5487 		     sizeof(uint16_t)) - sizeof(uint16_t)]) > 0)){
5488 			softc->flags |= DA_FLAG_CAN_ATA_IDLOG;
5489 		} else {
5490 			softc->flags &= ~DA_FLAG_CAN_ATA_IDLOG;
5491 		}
5492 	} else {
5493 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5494 				SF_RETRY_UA|SF_NO_PRINT);
5495 		if (error == ERESTART)
5496 			return;
5497 		else if (error != 0) {
5498 			/*
5499 			 * If we can't get the ATA log directory,
5500 			 * then ATA logs are effectively not
5501 			 * supported even if the bit is set in the
5502 			 * identify data.
5503 			 */
5504 			softc->flags &= ~(DA_FLAG_CAN_ATA_LOG |
5505 					  DA_FLAG_CAN_ATA_IDLOG);
5506 			if ((done_ccb->ccb_h.status &
5507 			     CAM_DEV_QFRZN) != 0) {
5508 				/* Don't wedge this device's queue */
5509 				cam_release_devq(done_ccb->ccb_h.path,
5510 						 /*relsim_flags*/0,
5511 						 /*reduction*/0,
5512 						 /*timeout*/0,
5513 						 /*getcount_only*/0);
5514 			}
5515 		}
5516 	}
5517 
5518 	free(csio->data_ptr, M_SCSIDA);
5519 
5520 	if ((error == 0)
5521 	 && (softc->flags & DA_FLAG_CAN_ATA_IDLOG)) {
5522 		softc->state = DA_STATE_PROBE_ATA_IDDIR;
5523 		xpt_release_ccb(done_ccb);
5524 		xpt_schedule(periph, priority);
5525 		return;
5526 	}
5527 	daprobedone(periph, done_ccb);
5528 	return;
5529 }
5530 
5531 static void
5532 dadone_probeataiddir(struct cam_periph *periph, union ccb *done_ccb)
5533 {
5534 	struct da_softc *softc;
5535 	struct ccb_scsiio *csio;
5536 	u_int32_t  priority;
5537 	int error;
5538 
5539 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeataiddir\n"));
5540 
5541 	softc = (struct da_softc *)periph->softc;
5542 	priority = done_ccb->ccb_h.pinfo.priority;
5543 	csio = &done_ccb->csio;
5544 
5545 	cam_periph_assert(periph, MA_OWNED);
5546 
5547 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5548 		off_t entries_offset, max_entries;
5549 		error = 0;
5550 
5551 		softc->valid_iddir_len = 0;
5552 		bzero(&softc->ata_iddir, sizeof(softc->ata_iddir));
5553 		softc->flags &= ~(DA_FLAG_CAN_ATA_SUPCAP |
5554 				  DA_FLAG_CAN_ATA_ZONE);
5555 		softc->valid_iddir_len = csio->dxfer_len - csio->resid;
5556 		if (softc->valid_iddir_len > 0)
5557 			bcopy(csio->data_ptr, &softc->ata_iddir,
5558 			    min(softc->valid_iddir_len,
5559 				sizeof(softc->ata_iddir)));
5560 
5561 		entries_offset =
5562 		    __offsetof(struct ata_identify_log_pages,entries);
5563 		max_entries = softc->valid_iddir_len - entries_offset;
5564 		if ((softc->valid_iddir_len > (entries_offset + 1))
5565 		 && (le64dec(softc->ata_iddir.header) == ATA_IDLOG_REVISION)
5566 		 && (softc->ata_iddir.entry_count > 0)) {
5567 			int num_entries, i;
5568 
5569 			num_entries = softc->ata_iddir.entry_count;
5570 			num_entries = min(num_entries,
5571 			   softc->valid_iddir_len - entries_offset);
5572 			for (i = 0; i < num_entries && i < max_entries; i++) {
5573 				if (softc->ata_iddir.entries[i] ==
5574 				    ATA_IDL_SUP_CAP)
5575 					softc->flags |= DA_FLAG_CAN_ATA_SUPCAP;
5576 				else if (softc->ata_iddir.entries[i] ==
5577 					 ATA_IDL_ZDI)
5578 					softc->flags |= DA_FLAG_CAN_ATA_ZONE;
5579 
5580 				if ((softc->flags & DA_FLAG_CAN_ATA_SUPCAP)
5581 				 && (softc->flags & DA_FLAG_CAN_ATA_ZONE))
5582 					break;
5583 			}
5584 		}
5585 	} else {
5586 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5587 				SF_RETRY_UA|SF_NO_PRINT);
5588 		if (error == ERESTART)
5589 			return;
5590 		else if (error != 0) {
5591 			/*
5592 			 * If we can't get the ATA Identify Data log
5593 			 * directory, then it effectively isn't
5594 			 * supported even if the ATA Log directory
5595 			 * a non-zero number of pages present for
5596 			 * this log.
5597 			 */
5598 			softc->flags &= ~DA_FLAG_CAN_ATA_IDLOG;
5599 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5600 				/* Don't wedge this device's queue */
5601 				cam_release_devq(done_ccb->ccb_h.path,
5602 						 /*relsim_flags*/0,
5603 						 /*reduction*/0,
5604 						 /*timeout*/0,
5605 						 /*getcount_only*/0);
5606 			}
5607 		}
5608 	}
5609 
5610 	free(csio->data_ptr, M_SCSIDA);
5611 
5612 	if ((error == 0) && (softc->flags & DA_FLAG_CAN_ATA_SUPCAP)) {
5613 		softc->state = DA_STATE_PROBE_ATA_SUP;
5614 		xpt_release_ccb(done_ccb);
5615 		xpt_schedule(periph, priority);
5616 		return;
5617 	}
5618 	daprobedone(periph, done_ccb);
5619 	return;
5620 }
5621 
5622 static void
5623 dadone_probeatasup(struct cam_periph *periph, union ccb *done_ccb)
5624 {
5625 	struct da_softc *softc;
5626 	struct ccb_scsiio *csio;
5627 	u_int32_t  priority;
5628 	int error;
5629 
5630 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatasup\n"));
5631 
5632 	softc = (struct da_softc *)periph->softc;
5633 	priority = done_ccb->ccb_h.pinfo.priority;
5634 	csio = &done_ccb->csio;
5635 
5636 	cam_periph_assert(periph, MA_OWNED);
5637 
5638 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5639 		uint32_t valid_len;
5640 		size_t needed_size;
5641 		struct ata_identify_log_sup_cap *sup_cap;
5642 		error = 0;
5643 
5644 		sup_cap = (struct ata_identify_log_sup_cap *)csio->data_ptr;
5645 		valid_len = csio->dxfer_len - csio->resid;
5646 		needed_size = __offsetof(struct ata_identify_log_sup_cap,
5647 		    sup_zac_cap) + 1 + sizeof(sup_cap->sup_zac_cap);
5648 		if (valid_len >= needed_size) {
5649 			uint64_t zoned, zac_cap;
5650 
5651 			zoned = le64dec(sup_cap->zoned_cap);
5652 			if (zoned & ATA_ZONED_VALID) {
5653 				/*
5654 				 * This should have already been
5655 				 * set, because this is also in the
5656 				 * ATA identify data.
5657 				 */
5658 				if ((zoned & ATA_ZONED_MASK) ==
5659 				    ATA_SUPPORT_ZONE_HOST_AWARE)
5660 					softc->zone_mode = DA_ZONE_HOST_AWARE;
5661 				else if ((zoned & ATA_ZONED_MASK) ==
5662 				    ATA_SUPPORT_ZONE_DEV_MANAGED)
5663 					softc->zone_mode =
5664 					    DA_ZONE_DRIVE_MANAGED;
5665 			}
5666 
5667 			zac_cap = le64dec(sup_cap->sup_zac_cap);
5668 			if (zac_cap & ATA_SUP_ZAC_CAP_VALID) {
5669 				if (zac_cap & ATA_REPORT_ZONES_SUP)
5670 					softc->zone_flags |=
5671 					    DA_ZONE_FLAG_RZ_SUP;
5672 				if (zac_cap & ATA_ND_OPEN_ZONE_SUP)
5673 					softc->zone_flags |=
5674 					    DA_ZONE_FLAG_OPEN_SUP;
5675 				if (zac_cap & ATA_ND_CLOSE_ZONE_SUP)
5676 					softc->zone_flags |=
5677 					    DA_ZONE_FLAG_CLOSE_SUP;
5678 				if (zac_cap & ATA_ND_FINISH_ZONE_SUP)
5679 					softc->zone_flags |=
5680 					    DA_ZONE_FLAG_FINISH_SUP;
5681 				if (zac_cap & ATA_ND_RWP_SUP)
5682 					softc->zone_flags |=
5683 					    DA_ZONE_FLAG_RWP_SUP;
5684 			} else {
5685 				/*
5686 				 * This field was introduced in
5687 				 * ACS-4, r08 on April 28th, 2015.
5688 				 * If the drive firmware was written
5689 				 * to an earlier spec, it won't have
5690 				 * the field.  So, assume all
5691 				 * commands are supported.
5692 				 */
5693 				softc->zone_flags |= DA_ZONE_FLAG_SUP_MASK;
5694 			}
5695 		}
5696 	} else {
5697 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5698 				SF_RETRY_UA|SF_NO_PRINT);
5699 		if (error == ERESTART)
5700 			return;
5701 		else if (error != 0) {
5702 			/*
5703 			 * If we can't get the ATA Identify Data
5704 			 * Supported Capabilities page, clear the
5705 			 * flag...
5706 			 */
5707 			softc->flags &= ~DA_FLAG_CAN_ATA_SUPCAP;
5708 			/*
5709 			 * And clear zone capabilities.
5710 			 */
5711 			softc->zone_flags &= ~DA_ZONE_FLAG_SUP_MASK;
5712 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5713 				/* Don't wedge this device's queue */
5714 				cam_release_devq(done_ccb->ccb_h.path,
5715 						 /*relsim_flags*/0,
5716 						 /*reduction*/0,
5717 						 /*timeout*/0,
5718 						 /*getcount_only*/0);
5719 			}
5720 		}
5721 	}
5722 
5723 	free(csio->data_ptr, M_SCSIDA);
5724 
5725 	if ((error == 0) && (softc->flags & DA_FLAG_CAN_ATA_ZONE)) {
5726 		softc->state = DA_STATE_PROBE_ATA_ZONE;
5727 		xpt_release_ccb(done_ccb);
5728 		xpt_schedule(periph, priority);
5729 		return;
5730 	}
5731 	daprobedone(periph, done_ccb);
5732 	return;
5733 }
5734 
5735 static void
5736 dadone_probeatazone(struct cam_periph *periph, union ccb *done_ccb)
5737 {
5738 	struct da_softc *softc;
5739 	struct ccb_scsiio *csio;
5740 	int error;
5741 
5742 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatazone\n"));
5743 
5744 	softc = (struct da_softc *)periph->softc;
5745 	csio = &done_ccb->csio;
5746 
5747 	cam_periph_assert(periph, MA_OWNED);
5748 
5749 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5750 		struct ata_zoned_info_log *zi_log;
5751 		uint32_t valid_len;
5752 		size_t needed_size;
5753 
5754 		zi_log = (struct ata_zoned_info_log *)csio->data_ptr;
5755 
5756 		valid_len = csio->dxfer_len - csio->resid;
5757 		needed_size = __offsetof(struct ata_zoned_info_log,
5758 		    version_info) + 1 + sizeof(zi_log->version_info);
5759 		if (valid_len >= needed_size) {
5760 			uint64_t tmpvar;
5761 
5762 			tmpvar = le64dec(zi_log->zoned_cap);
5763 			if (tmpvar & ATA_ZDI_CAP_VALID) {
5764 				if (tmpvar & ATA_ZDI_CAP_URSWRZ)
5765 					softc->zone_flags |=
5766 					    DA_ZONE_FLAG_URSWRZ;
5767 				else
5768 					softc->zone_flags &=
5769 					    ~DA_ZONE_FLAG_URSWRZ;
5770 			}
5771 			tmpvar = le64dec(zi_log->optimal_seq_zones);
5772 			if (tmpvar & ATA_ZDI_OPT_SEQ_VALID) {
5773 				softc->zone_flags |= DA_ZONE_FLAG_OPT_SEQ_SET;
5774 				softc->optimal_seq_zones = (tmpvar &
5775 				    ATA_ZDI_OPT_SEQ_MASK);
5776 			} else {
5777 				softc->zone_flags &= ~DA_ZONE_FLAG_OPT_SEQ_SET;
5778 				softc->optimal_seq_zones = 0;
5779 			}
5780 
5781 			tmpvar =le64dec(zi_log->optimal_nonseq_zones);
5782 			if (tmpvar & ATA_ZDI_OPT_NS_VALID) {
5783 				softc->zone_flags |=
5784 				    DA_ZONE_FLAG_OPT_NONSEQ_SET;
5785 				softc->optimal_nonseq_zones =
5786 				    (tmpvar & ATA_ZDI_OPT_NS_MASK);
5787 			} else {
5788 				softc->zone_flags &=
5789 				    ~DA_ZONE_FLAG_OPT_NONSEQ_SET;
5790 				softc->optimal_nonseq_zones = 0;
5791 			}
5792 
5793 			tmpvar = le64dec(zi_log->max_seq_req_zones);
5794 			if (tmpvar & ATA_ZDI_MAX_SEQ_VALID) {
5795 				softc->zone_flags |= DA_ZONE_FLAG_MAX_SEQ_SET;
5796 				softc->max_seq_zones =
5797 				    (tmpvar & ATA_ZDI_MAX_SEQ_MASK);
5798 			} else {
5799 				softc->zone_flags &= ~DA_ZONE_FLAG_MAX_SEQ_SET;
5800 				softc->max_seq_zones = 0;
5801 			}
5802 		}
5803 	} else {
5804 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5805 				SF_RETRY_UA|SF_NO_PRINT);
5806 		if (error == ERESTART)
5807 			return;
5808 		else if (error != 0) {
5809 			softc->flags &= ~DA_FLAG_CAN_ATA_ZONE;
5810 			softc->flags &= ~DA_ZONE_FLAG_SET_MASK;
5811 
5812 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5813 				/* Don't wedge this device's queue */
5814 				cam_release_devq(done_ccb->ccb_h.path,
5815 						 /*relsim_flags*/0,
5816 						 /*reduction*/0,
5817 						 /*timeout*/0,
5818 						 /*getcount_only*/0);
5819 			}
5820 		}
5821 	}
5822 
5823 	free(csio->data_ptr, M_SCSIDA);
5824 
5825 	daprobedone(periph, done_ccb);
5826 	return;
5827 }
5828 
5829 static void
5830 dadone_probezone(struct cam_periph *periph, union ccb *done_ccb)
5831 {
5832 	struct da_softc *softc;
5833 	struct ccb_scsiio *csio;
5834 	int error;
5835 
5836 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probezone\n"));
5837 
5838 	softc = (struct da_softc *)periph->softc;
5839 	csio = &done_ccb->csio;
5840 
5841 	cam_periph_assert(periph, MA_OWNED);
5842 
5843 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5844 		uint32_t valid_len;
5845 		size_t needed_len;
5846 		struct scsi_vpd_zoned_bdc *zoned_bdc;
5847 
5848 		error = 0;
5849 		zoned_bdc = (struct scsi_vpd_zoned_bdc *)csio->data_ptr;
5850 		valid_len = csio->dxfer_len - csio->resid;
5851 		needed_len = __offsetof(struct scsi_vpd_zoned_bdc,
5852 		    max_seq_req_zones) + 1 +
5853 		    sizeof(zoned_bdc->max_seq_req_zones);
5854 		if ((valid_len >= needed_len)
5855 		 && (scsi_2btoul(zoned_bdc->page_length) >= SVPD_ZBDC_PL)) {
5856 			if (zoned_bdc->flags & SVPD_ZBDC_URSWRZ)
5857 				softc->zone_flags |= DA_ZONE_FLAG_URSWRZ;
5858 			else
5859 				softc->zone_flags &= ~DA_ZONE_FLAG_URSWRZ;
5860 			softc->optimal_seq_zones =
5861 			    scsi_4btoul(zoned_bdc->optimal_seq_zones);
5862 			softc->zone_flags |= DA_ZONE_FLAG_OPT_SEQ_SET;
5863 			softc->optimal_nonseq_zones = scsi_4btoul(
5864 			    zoned_bdc->optimal_nonseq_zones);
5865 			softc->zone_flags |= DA_ZONE_FLAG_OPT_NONSEQ_SET;
5866 			softc->max_seq_zones =
5867 			    scsi_4btoul(zoned_bdc->max_seq_req_zones);
5868 			softc->zone_flags |= DA_ZONE_FLAG_MAX_SEQ_SET;
5869 		}
5870 		/*
5871 		 * All of the zone commands are mandatory for SCSI
5872 		 * devices.
5873 		 *
5874 		 * XXX KDM this is valid as of September 2015.
5875 		 * Re-check this assumption once the SAT spec is
5876 		 * updated to support SCSI ZBC to ATA ZAC mapping.
5877 		 * Since ATA allows zone commands to be reported
5878 		 * as supported or not, this may not necessarily
5879 		 * be true for an ATA device behind a SAT (SCSI to
5880 		 * ATA Translation) layer.
5881 		 */
5882 		softc->zone_flags |= DA_ZONE_FLAG_SUP_MASK;
5883 	} else {
5884 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5885 				SF_RETRY_UA|SF_NO_PRINT);
5886 		if (error == ERESTART)
5887 			return;
5888 		else if (error != 0) {
5889 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5890 				/* Don't wedge this device's queue */
5891 				cam_release_devq(done_ccb->ccb_h.path,
5892 						 /*relsim_flags*/0,
5893 						 /*reduction*/0,
5894 						 /*timeout*/0,
5895 						 /*getcount_only*/0);
5896 			}
5897 		}
5898 	}
5899 
5900 	free(csio->data_ptr, M_SCSIDA);
5901 
5902 	daprobedone(periph, done_ccb);
5903 	return;
5904 }
5905 
5906 static void
5907 dadone_tur(struct cam_periph *periph, union ccb *done_ccb)
5908 {
5909 	struct da_softc *softc;
5910 
5911 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_tur\n"));
5912 
5913 	softc = (struct da_softc *)periph->softc;
5914 
5915 	cam_periph_assert(periph, MA_OWNED);
5916 
5917 	if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
5918 		if (daerror(done_ccb, CAM_RETRY_SELTO,
5919 		    SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) == ERESTART)
5920 			return;	/* Will complete again, keep reference */
5921 		if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
5922 			cam_release_devq(done_ccb->ccb_h.path,
5923 					 /*relsim_flags*/0,
5924 					 /*reduction*/0,
5925 					 /*timeout*/0,
5926 					 /*getcount_only*/0);
5927 	}
5928 	softc->flags &= ~DA_FLAG_TUR_PENDING;
5929 	xpt_release_ccb(done_ccb);
5930 	da_periph_release_locked(periph, DA_REF_TUR);
5931 	return;
5932 }
5933 
5934 static void
5935 dareprobe(struct cam_periph *periph)
5936 {
5937 	struct da_softc	  *softc;
5938 	int status __diagused;
5939 
5940 	softc = (struct da_softc *)periph->softc;
5941 
5942 	cam_periph_assert(periph, MA_OWNED);
5943 
5944 	/* Probe in progress; don't interfere. */
5945 	if (softc->state != DA_STATE_NORMAL)
5946 		return;
5947 
5948 	status = da_periph_acquire(periph, DA_REF_REPROBE);
5949 	KASSERT(status == 0, ("dareprobe: cam_periph_acquire failed"));
5950 
5951 	softc->state = DA_STATE_PROBE_WP;
5952 	xpt_schedule(periph, CAM_PRIORITY_DEV);
5953 }
5954 
5955 static int
5956 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
5957 {
5958 	struct da_softc	  *softc;
5959 	struct cam_periph *periph;
5960 	int error, error_code, sense_key, asc, ascq;
5961 
5962 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
5963 	if (ccb->csio.bio != NULL)
5964 		biotrack(ccb->csio.bio, __func__);
5965 #endif
5966 
5967 	periph = xpt_path_periph(ccb->ccb_h.path);
5968 	softc = (struct da_softc *)periph->softc;
5969 
5970 	cam_periph_assert(periph, MA_OWNED);
5971 
5972 	/*
5973 	 * Automatically detect devices that do not support
5974 	 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
5975 	 */
5976 	error = 0;
5977 	if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
5978 		error = cmd6workaround(ccb);
5979 	} else if (scsi_extract_sense_ccb(ccb,
5980 	    &error_code, &sense_key, &asc, &ascq)) {
5981 		if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
5982 			error = cmd6workaround(ccb);
5983 		/*
5984 		 * If the target replied with CAPACITY DATA HAS CHANGED UA,
5985 		 * query the capacity and notify upper layers.
5986 		 */
5987 		else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5988 		    asc == 0x2A && ascq == 0x09) {
5989 			xpt_print(periph->path, "Capacity data has changed\n");
5990 			softc->flags &= ~DA_FLAG_PROBED;
5991 			dareprobe(periph);
5992 			sense_flags |= SF_NO_PRINT;
5993 		} else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5994 		    asc == 0x28 && ascq == 0x00) {
5995 			softc->flags &= ~DA_FLAG_PROBED;
5996 			disk_media_changed(softc->disk, M_NOWAIT);
5997 		} else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5998 		    asc == 0x3F && ascq == 0x03) {
5999 			xpt_print(periph->path, "INQUIRY data has changed\n");
6000 			softc->flags &= ~DA_FLAG_PROBED;
6001 			dareprobe(periph);
6002 			sense_flags |= SF_NO_PRINT;
6003 		} else if (sense_key == SSD_KEY_NOT_READY &&
6004 		    asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
6005 			softc->flags |= DA_FLAG_PACK_INVALID;
6006 			disk_media_gone(softc->disk, M_NOWAIT);
6007 		}
6008 	}
6009 	if (error == ERESTART)
6010 		return (ERESTART);
6011 
6012 #ifdef CAM_IO_STATS
6013 	switch (ccb->ccb_h.status & CAM_STATUS_MASK) {
6014 	case CAM_CMD_TIMEOUT:
6015 		softc->timeouts++;
6016 		break;
6017 	case CAM_REQ_ABORTED:
6018 	case CAM_REQ_CMP_ERR:
6019 	case CAM_REQ_TERMIO:
6020 	case CAM_UNREC_HBA_ERROR:
6021 	case CAM_DATA_RUN_ERR:
6022 	case CAM_SCSI_STATUS_ERROR:
6023 	case CAM_ATA_STATUS_ERROR:
6024 		softc->errors++;
6025 		break;
6026 	default:
6027 		break;
6028 	}
6029 #endif
6030 
6031 	/*
6032 	 * XXX
6033 	 * Until we have a better way of doing pack validation,
6034 	 * don't treat UAs as errors.
6035 	 */
6036 	sense_flags |= SF_RETRY_UA;
6037 
6038 	if (softc->quirks & DA_Q_RETRY_BUSY)
6039 		sense_flags |= SF_RETRY_BUSY;
6040 	return(cam_periph_error(ccb, cam_flags, sense_flags));
6041 }
6042 
6043 static void
6044 damediapoll(void *arg)
6045 {
6046 	struct cam_periph *periph = arg;
6047 	struct da_softc *softc = periph->softc;
6048 
6049 	if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR) &&
6050 	    (softc->flags & DA_FLAG_TUR_PENDING) == 0 &&
6051 	    softc->state == DA_STATE_NORMAL &&
6052 	    LIST_EMPTY(&softc->pending_ccbs)) {
6053 		if (da_periph_acquire(periph, DA_REF_TUR) == 0) {
6054 			cam_iosched_set_work_flags(softc->cam_iosched, DA_WORK_TUR);
6055 			daschedule(periph);
6056 		}
6057 	}
6058 
6059 	/* Queue us up again */
6060 	if (da_poll_period != 0) {
6061 		callout_schedule_sbt(&softc->mediapoll_c,
6062 		    da_poll_period * SBT_1S, 0, C_PREL(1));
6063 	}
6064 }
6065 
6066 static void
6067 daprevent(struct cam_periph *periph, int action)
6068 {
6069 	struct	da_softc *softc;
6070 	union	ccb *ccb;
6071 	int	error;
6072 
6073 	cam_periph_assert(periph, MA_OWNED);
6074 	softc = (struct da_softc *)periph->softc;
6075 
6076 	if (((action == PR_ALLOW)
6077 	  && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
6078 	 || ((action == PR_PREVENT)
6079 	  && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
6080 		return;
6081 	}
6082 
6083 	ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
6084 
6085 	scsi_prevent(&ccb->csio,
6086 		     /*retries*/1,
6087 		     /*cbcfp*/NULL,
6088 		     MSG_SIMPLE_Q_TAG,
6089 		     action,
6090 		     SSD_FULL_SIZE,
6091 		     5000);
6092 
6093 	error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
6094 	    SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat);
6095 
6096 	if (error == 0) {
6097 		if (action == PR_ALLOW)
6098 			softc->flags &= ~DA_FLAG_PACK_LOCKED;
6099 		else
6100 			softc->flags |= DA_FLAG_PACK_LOCKED;
6101 	}
6102 
6103 	xpt_release_ccb(ccb);
6104 }
6105 
6106 static void
6107 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
6108 	  struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
6109 {
6110 	struct ccb_calc_geometry ccg;
6111 	struct da_softc *softc;
6112 	struct disk_params *dp;
6113 	u_int lbppbe, lalba;
6114 	int error;
6115 
6116 	softc = (struct da_softc *)periph->softc;
6117 
6118 	dp = &softc->params;
6119 	dp->secsize = block_len;
6120 	dp->sectors = maxsector + 1;
6121 	if (rcaplong != NULL) {
6122 		lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
6123 		lalba = scsi_2btoul(rcaplong->lalba_lbp);
6124 		lalba &= SRC16_LALBA_A;
6125 		if (rcaplong->prot & SRC16_PROT_EN)
6126 			softc->p_type = ((rcaplong->prot & SRC16_P_TYPE) >>
6127 			    SRC16_P_TYPE_SHIFT) + 1;
6128 		else
6129 			softc->p_type = 0;
6130 	} else {
6131 		lbppbe = 0;
6132 		lalba = 0;
6133 		softc->p_type = 0;
6134 	}
6135 
6136 	if (lbppbe > 0) {
6137 		dp->stripesize = block_len << lbppbe;
6138 		dp->stripeoffset = (dp->stripesize - block_len * lalba) %
6139 		    dp->stripesize;
6140 	} else if (softc->quirks & DA_Q_4K) {
6141 		dp->stripesize = 4096;
6142 		dp->stripeoffset = 0;
6143 	} else if (softc->unmap_gran != 0) {
6144 		dp->stripesize = block_len * softc->unmap_gran;
6145 		dp->stripeoffset = (dp->stripesize - block_len *
6146 		    softc->unmap_gran_align) % dp->stripesize;
6147 	} else {
6148 		dp->stripesize = 0;
6149 		dp->stripeoffset = 0;
6150 	}
6151 	/*
6152 	 * Have the controller provide us with a geometry
6153 	 * for this disk.  The only time the geometry
6154 	 * matters is when we boot and the controller
6155 	 * is the only one knowledgeable enough to come
6156 	 * up with something that will make this a bootable
6157 	 * device.
6158 	 */
6159 	memset(&ccg, 0, sizeof(ccg));
6160 	xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
6161 	ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
6162 	ccg.block_size = dp->secsize;
6163 	ccg.volume_size = dp->sectors;
6164 	ccg.heads = 0;
6165 	ccg.secs_per_track = 0;
6166 	ccg.cylinders = 0;
6167 	xpt_action((union ccb*)&ccg);
6168 	if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
6169 		/*
6170 		 * We don't know what went wrong here- but just pick
6171 		 * a geometry so we don't have nasty things like divide
6172 		 * by zero.
6173 		 */
6174 		dp->heads = 255;
6175 		dp->secs_per_track = 255;
6176 		dp->cylinders = dp->sectors / (255 * 255);
6177 		if (dp->cylinders == 0) {
6178 			dp->cylinders = 1;
6179 		}
6180 	} else {
6181 		dp->heads = ccg.heads;
6182 		dp->secs_per_track = ccg.secs_per_track;
6183 		dp->cylinders = ccg.cylinders;
6184 	}
6185 
6186 	/*
6187 	 * If the user supplied a read capacity buffer, and if it is
6188 	 * different than the previous buffer, update the data in the EDT.
6189 	 * If it's the same, we don't bother.  This avoids sending an
6190 	 * update every time someone opens this device.
6191 	 */
6192 	if ((rcaplong != NULL)
6193 	 && (bcmp(rcaplong, &softc->rcaplong,
6194 		  min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
6195 		struct ccb_dev_advinfo cdai;
6196 
6197 		memset(&cdai, 0, sizeof(cdai));
6198 		xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
6199 		cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
6200 		cdai.buftype = CDAI_TYPE_RCAPLONG;
6201 		cdai.flags = CDAI_FLAG_STORE;
6202 		cdai.bufsiz = rcap_len;
6203 		cdai.buf = (uint8_t *)rcaplong;
6204 		xpt_action((union ccb *)&cdai);
6205 		if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
6206 			cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
6207 		if (cdai.ccb_h.status != CAM_REQ_CMP) {
6208 			xpt_print(periph->path, "%s: failed to set read "
6209 				  "capacity advinfo\n", __func__);
6210 			/* Use cam_error_print() to decode the status */
6211 			cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
6212 					CAM_EPF_ALL);
6213 		} else {
6214 			bcopy(rcaplong, &softc->rcaplong,
6215 			      min(sizeof(softc->rcaplong), rcap_len));
6216 		}
6217 	}
6218 
6219 	softc->disk->d_sectorsize = softc->params.secsize;
6220 	softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
6221 	softc->disk->d_stripesize = softc->params.stripesize;
6222 	softc->disk->d_stripeoffset = softc->params.stripeoffset;
6223 	/* XXX: these are not actually "firmware" values, so they may be wrong */
6224 	softc->disk->d_fwsectors = softc->params.secs_per_track;
6225 	softc->disk->d_fwheads = softc->params.heads;
6226 	softc->disk->d_devstat->block_size = softc->params.secsize;
6227 	softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
6228 
6229 	error = disk_resize(softc->disk, M_NOWAIT);
6230 	if (error != 0)
6231 		xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error);
6232 }
6233 
6234 static void
6235 dasendorderedtag(void *arg)
6236 {
6237 	struct cam_periph *periph = arg;
6238 	struct da_softc *softc = periph->softc;
6239 
6240 	cam_periph_assert(periph, MA_OWNED);
6241 	if (da_send_ordered) {
6242 		if (!LIST_EMPTY(&softc->pending_ccbs)) {
6243 			if ((softc->flags & DA_FLAG_WAS_OTAG) == 0)
6244 				softc->flags |= DA_FLAG_NEED_OTAG;
6245 			softc->flags &= ~DA_FLAG_WAS_OTAG;
6246 		}
6247 	}
6248 
6249 	/* Queue us up again */
6250 	callout_schedule_sbt(&softc->sendordered_c,
6251 	    SBT_1S / DA_ORDEREDTAG_INTERVAL * da_default_timeout, 0,
6252 	    C_PREL(1));
6253 }
6254 
6255 /*
6256  * Step through all DA peripheral drivers, and if the device is still open,
6257  * sync the disk cache to physical media.
6258  */
6259 static void
6260 dashutdown(void * arg, int howto)
6261 {
6262 	struct cam_periph *periph;
6263 	struct da_softc *softc;
6264 	union ccb *ccb;
6265 	int error;
6266 
6267 	if ((howto & RB_NOSYNC) != 0)
6268 		return;
6269 
6270 	CAM_PERIPH_FOREACH(periph, &dadriver) {
6271 		softc = (struct da_softc *)periph->softc;
6272 		if (SCHEDULER_STOPPED()) {
6273 			/* If we paniced with the lock held, do not recurse. */
6274 			if (!cam_periph_owned(periph) &&
6275 			    (softc->flags & DA_FLAG_OPEN)) {
6276 				dadump(softc->disk, NULL, 0, 0, 0);
6277 			}
6278 			continue;
6279 		}
6280 		cam_periph_lock(periph);
6281 
6282 		/*
6283 		 * We only sync the cache if the drive is still open, and
6284 		 * if the drive is capable of it..
6285 		 */
6286 		if (((softc->flags & DA_FLAG_OPEN) == 0)
6287 		 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
6288 			cam_periph_unlock(periph);
6289 			continue;
6290 		}
6291 
6292 		ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
6293 		scsi_synchronize_cache(&ccb->csio,
6294 				       /*retries*/0,
6295 				       /*cbfcnp*/NULL,
6296 				       MSG_SIMPLE_Q_TAG,
6297 				       /*begin_lba*/0, /* whole disk */
6298 				       /*lb_count*/0,
6299 				       SSD_FULL_SIZE,
6300 				       60 * 60 * 1000);
6301 
6302 		error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
6303 		    /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
6304 		    softc->disk->d_devstat);
6305 		if (error != 0)
6306 			xpt_print(periph->path, "Synchronize cache failed\n");
6307 		xpt_release_ccb(ccb);
6308 		cam_periph_unlock(periph);
6309 	}
6310 }
6311 
6312 #else /* !_KERNEL */
6313 
6314 /*
6315  * XXX These are only left out of the kernel build to silence warnings.  If,
6316  * for some reason these functions are used in the kernel, the ifdefs should
6317  * be moved so they are included both in the kernel and userland.
6318  */
6319 void
6320 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
6321 		 void (*cbfcnp)(struct cam_periph *, union ccb *),
6322 		 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
6323 		 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
6324 		 u_int32_t timeout)
6325 {
6326 	struct scsi_format_unit *scsi_cmd;
6327 
6328 	scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
6329 	scsi_cmd->opcode = FORMAT_UNIT;
6330 	scsi_cmd->byte2 = byte2;
6331 	scsi_ulto2b(ileave, scsi_cmd->interleave);
6332 
6333 	cam_fill_csio(csio,
6334 		      retries,
6335 		      cbfcnp,
6336 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6337 		      tag_action,
6338 		      data_ptr,
6339 		      dxfer_len,
6340 		      sense_len,
6341 		      sizeof(*scsi_cmd),
6342 		      timeout);
6343 }
6344 
6345 void
6346 scsi_read_defects(struct ccb_scsiio *csio, uint32_t retries,
6347 		  void (*cbfcnp)(struct cam_periph *, union ccb *),
6348 		  uint8_t tag_action, uint8_t list_format,
6349 		  uint32_t addr_desc_index, uint8_t *data_ptr,
6350 		  uint32_t dxfer_len, int minimum_cmd_size,
6351 		  uint8_t sense_len, uint32_t timeout)
6352 {
6353 	uint8_t cdb_len;
6354 
6355 	/*
6356 	 * These conditions allow using the 10 byte command.  Otherwise we
6357 	 * need to use the 12 byte command.
6358 	 */
6359 	if ((minimum_cmd_size <= 10)
6360 	 && (addr_desc_index == 0)
6361 	 && (dxfer_len <= SRDD10_MAX_LENGTH)) {
6362 		struct scsi_read_defect_data_10 *cdb10;
6363 
6364 		cdb10 = (struct scsi_read_defect_data_10 *)
6365 			&csio->cdb_io.cdb_bytes;
6366 
6367 		cdb_len = sizeof(*cdb10);
6368 		bzero(cdb10, cdb_len);
6369                 cdb10->opcode = READ_DEFECT_DATA_10;
6370                 cdb10->format = list_format;
6371                 scsi_ulto2b(dxfer_len, cdb10->alloc_length);
6372 	} else {
6373 		struct scsi_read_defect_data_12 *cdb12;
6374 
6375 		cdb12 = (struct scsi_read_defect_data_12 *)
6376 			&csio->cdb_io.cdb_bytes;
6377 
6378 		cdb_len = sizeof(*cdb12);
6379 		bzero(cdb12, cdb_len);
6380                 cdb12->opcode = READ_DEFECT_DATA_12;
6381                 cdb12->format = list_format;
6382                 scsi_ulto4b(dxfer_len, cdb12->alloc_length);
6383 		scsi_ulto4b(addr_desc_index, cdb12->address_descriptor_index);
6384 	}
6385 
6386 	cam_fill_csio(csio,
6387 		      retries,
6388 		      cbfcnp,
6389 		      /*flags*/ CAM_DIR_IN,
6390 		      tag_action,
6391 		      data_ptr,
6392 		      dxfer_len,
6393 		      sense_len,
6394 		      cdb_len,
6395 		      timeout);
6396 }
6397 
6398 void
6399 scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
6400 	      void (*cbfcnp)(struct cam_periph *, union ccb *),
6401 	      u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
6402 	      u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
6403 	      u_int32_t timeout)
6404 {
6405 	struct scsi_sanitize *scsi_cmd;
6406 
6407 	scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes;
6408 	scsi_cmd->opcode = SANITIZE;
6409 	scsi_cmd->byte2 = byte2;
6410 	scsi_cmd->control = control;
6411 	scsi_ulto2b(dxfer_len, scsi_cmd->length);
6412 
6413 	cam_fill_csio(csio,
6414 		      retries,
6415 		      cbfcnp,
6416 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6417 		      tag_action,
6418 		      data_ptr,
6419 		      dxfer_len,
6420 		      sense_len,
6421 		      sizeof(*scsi_cmd),
6422 		      timeout);
6423 }
6424 
6425 #endif /* _KERNEL */
6426 
6427 void
6428 scsi_zbc_out(struct ccb_scsiio *csio, uint32_t retries,
6429 	     void (*cbfcnp)(struct cam_periph *, union ccb *),
6430 	     uint8_t tag_action, uint8_t service_action, uint64_t zone_id,
6431 	     uint8_t zone_flags, uint8_t *data_ptr, uint32_t dxfer_len,
6432 	     uint8_t sense_len, uint32_t timeout)
6433 {
6434 	struct scsi_zbc_out *scsi_cmd;
6435 
6436 	scsi_cmd = (struct scsi_zbc_out *)&csio->cdb_io.cdb_bytes;
6437 	scsi_cmd->opcode = ZBC_OUT;
6438 	scsi_cmd->service_action = service_action;
6439 	scsi_u64to8b(zone_id, scsi_cmd->zone_id);
6440 	scsi_cmd->zone_flags = zone_flags;
6441 
6442 	cam_fill_csio(csio,
6443 		      retries,
6444 		      cbfcnp,
6445 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6446 		      tag_action,
6447 		      data_ptr,
6448 		      dxfer_len,
6449 		      sense_len,
6450 		      sizeof(*scsi_cmd),
6451 		      timeout);
6452 }
6453 
6454 void
6455 scsi_zbc_in(struct ccb_scsiio *csio, uint32_t retries,
6456 	    void (*cbfcnp)(struct cam_periph *, union ccb *),
6457 	    uint8_t tag_action, uint8_t service_action, uint64_t zone_start_lba,
6458 	    uint8_t zone_options, uint8_t *data_ptr, uint32_t dxfer_len,
6459 	    uint8_t sense_len, uint32_t timeout)
6460 {
6461 	struct scsi_zbc_in *scsi_cmd;
6462 
6463 	scsi_cmd = (struct scsi_zbc_in *)&csio->cdb_io.cdb_bytes;
6464 	scsi_cmd->opcode = ZBC_IN;
6465 	scsi_cmd->service_action = service_action;
6466 	scsi_ulto4b(dxfer_len, scsi_cmd->length);
6467 	scsi_u64to8b(zone_start_lba, scsi_cmd->zone_start_lba);
6468 	scsi_cmd->zone_options = zone_options;
6469 
6470 	cam_fill_csio(csio,
6471 		      retries,
6472 		      cbfcnp,
6473 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_IN : CAM_DIR_NONE,
6474 		      tag_action,
6475 		      data_ptr,
6476 		      dxfer_len,
6477 		      sense_len,
6478 		      sizeof(*scsi_cmd),
6479 		      timeout);
6480 
6481 }
6482 
6483 int
6484 scsi_ata_zac_mgmt_out(struct ccb_scsiio *csio, uint32_t retries,
6485 		      void (*cbfcnp)(struct cam_periph *, union ccb *),
6486 		      uint8_t tag_action, int use_ncq,
6487 		      uint8_t zm_action, uint64_t zone_id, uint8_t zone_flags,
6488 		      uint8_t *data_ptr, uint32_t dxfer_len,
6489 		      uint8_t *cdb_storage, size_t cdb_storage_len,
6490 		      uint8_t sense_len, uint32_t timeout)
6491 {
6492 	uint8_t command_out, protocol, ata_flags;
6493 	uint16_t features_out;
6494 	uint32_t sectors_out, auxiliary;
6495 	int retval;
6496 
6497 	retval = 0;
6498 
6499 	if (use_ncq == 0) {
6500 		command_out = ATA_ZAC_MANAGEMENT_OUT;
6501 		features_out = (zm_action & 0xf) | (zone_flags << 8);
6502 		ata_flags = AP_FLAG_BYT_BLOK_BLOCKS;
6503 		if (dxfer_len == 0) {
6504 			protocol = AP_PROTO_NON_DATA;
6505 			ata_flags |= AP_FLAG_TLEN_NO_DATA;
6506 			sectors_out = 0;
6507 		} else {
6508 			protocol = AP_PROTO_DMA;
6509 			ata_flags |= AP_FLAG_TLEN_SECT_CNT |
6510 				     AP_FLAG_TDIR_TO_DEV;
6511 			sectors_out = ((dxfer_len >> 9) & 0xffff);
6512 		}
6513 		auxiliary = 0;
6514 	} else {
6515 		ata_flags = AP_FLAG_BYT_BLOK_BLOCKS;
6516 		if (dxfer_len == 0) {
6517 			command_out = ATA_NCQ_NON_DATA;
6518 			features_out = ATA_NCQ_ZAC_MGMT_OUT;
6519 			/*
6520 			 * We're assuming the SCSI to ATA translation layer
6521 			 * will set the NCQ tag number in the tag field.
6522 			 * That isn't clear from the SAT-4 spec (as of rev 05).
6523 			 */
6524 			sectors_out = 0;
6525 			ata_flags |= AP_FLAG_TLEN_NO_DATA;
6526 		} else {
6527 			command_out = ATA_SEND_FPDMA_QUEUED;
6528 			/*
6529 			 * Note that we're defaulting to normal priority,
6530 			 * and assuming that the SCSI to ATA translation
6531 			 * layer will insert the NCQ tag number in the tag
6532 			 * field.  That isn't clear in the SAT-4 spec (as
6533 			 * of rev 05).
6534 			 */
6535 			sectors_out = ATA_SFPDMA_ZAC_MGMT_OUT << 8;
6536 
6537 			ata_flags |= AP_FLAG_TLEN_FEAT |
6538 				     AP_FLAG_TDIR_TO_DEV;
6539 
6540 			/*
6541 			 * For SEND FPDMA QUEUED, the transfer length is
6542 			 * encoded in the FEATURE register, and 0 means
6543 			 * that 65536 512 byte blocks are to be tranferred.
6544 			 * In practice, it seems unlikely that we'll see
6545 			 * a transfer that large, and it may confuse the
6546 			 * the SAT layer, because generally that means that
6547 			 * 0 bytes should be transferred.
6548 			 */
6549 			if (dxfer_len == (65536 * 512)) {
6550 				features_out = 0;
6551 			} else if (dxfer_len <= (65535 * 512)) {
6552 				features_out = ((dxfer_len >> 9) & 0xffff);
6553 			} else {
6554 				/* The transfer is too big. */
6555 				retval = 1;
6556 				goto bailout;
6557 			}
6558 		}
6559 
6560 		auxiliary = (zm_action & 0xf) | (zone_flags << 8);
6561 		protocol = AP_PROTO_FPDMA;
6562 	}
6563 
6564 	protocol |= AP_EXTEND;
6565 
6566 	retval = scsi_ata_pass(csio,
6567 	    retries,
6568 	    cbfcnp,
6569 	    /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6570 	    tag_action,
6571 	    /*protocol*/ protocol,
6572 	    /*ata_flags*/ ata_flags,
6573 	    /*features*/ features_out,
6574 	    /*sector_count*/ sectors_out,
6575 	    /*lba*/ zone_id,
6576 	    /*command*/ command_out,
6577 	    /*device*/ 0,
6578 	    /*icc*/ 0,
6579 	    /*auxiliary*/ auxiliary,
6580 	    /*control*/ 0,
6581 	    /*data_ptr*/ data_ptr,
6582 	    /*dxfer_len*/ dxfer_len,
6583 	    /*cdb_storage*/ cdb_storage,
6584 	    /*cdb_storage_len*/ cdb_storage_len,
6585 	    /*minimum_cmd_size*/ 0,
6586 	    /*sense_len*/ SSD_FULL_SIZE,
6587 	    /*timeout*/ timeout);
6588 
6589 bailout:
6590 
6591 	return (retval);
6592 }
6593 
6594 int
6595 scsi_ata_zac_mgmt_in(struct ccb_scsiio *csio, uint32_t retries,
6596 		     void (*cbfcnp)(struct cam_periph *, union ccb *),
6597 		     uint8_t tag_action, int use_ncq,
6598 		     uint8_t zm_action, uint64_t zone_id, uint8_t zone_flags,
6599 		     uint8_t *data_ptr, uint32_t dxfer_len,
6600 		     uint8_t *cdb_storage, size_t cdb_storage_len,
6601 		     uint8_t sense_len, uint32_t timeout)
6602 {
6603 	uint8_t command_out, protocol;
6604 	uint16_t features_out, sectors_out;
6605 	uint32_t auxiliary;
6606 	int ata_flags;
6607 	int retval;
6608 
6609 	retval = 0;
6610 	ata_flags = AP_FLAG_TDIR_FROM_DEV | AP_FLAG_BYT_BLOK_BLOCKS;
6611 
6612 	if (use_ncq == 0) {
6613 		command_out = ATA_ZAC_MANAGEMENT_IN;
6614 		/* XXX KDM put a macro here */
6615 		features_out = (zm_action & 0xf) | (zone_flags << 8);
6616 		sectors_out = dxfer_len >> 9; /* XXX KDM macro */
6617 		protocol = AP_PROTO_DMA;
6618 		ata_flags |= AP_FLAG_TLEN_SECT_CNT;
6619 		auxiliary = 0;
6620 	} else {
6621 		ata_flags |= AP_FLAG_TLEN_FEAT;
6622 
6623 		command_out = ATA_RECV_FPDMA_QUEUED;
6624 		sectors_out = ATA_RFPDMA_ZAC_MGMT_IN << 8;
6625 
6626 		/*
6627 		 * For RECEIVE FPDMA QUEUED, the transfer length is
6628 		 * encoded in the FEATURE register, and 0 means
6629 		 * that 65536 512 byte blocks are to be tranferred.
6630 		 * In practice, it seems unlikely that we'll see
6631 		 * a transfer that large, and it may confuse the
6632 		 * the SAT layer, because generally that means that
6633 		 * 0 bytes should be transferred.
6634 		 */
6635 		if (dxfer_len == (65536 * 512)) {
6636 			features_out = 0;
6637 		} else if (dxfer_len <= (65535 * 512)) {
6638 			features_out = ((dxfer_len >> 9) & 0xffff);
6639 		} else {
6640 			/* The transfer is too big. */
6641 			retval = 1;
6642 			goto bailout;
6643 		}
6644 		auxiliary = (zm_action & 0xf) | (zone_flags << 8),
6645 		protocol = AP_PROTO_FPDMA;
6646 	}
6647 
6648 	protocol |= AP_EXTEND;
6649 
6650 	retval = scsi_ata_pass(csio,
6651 	    retries,
6652 	    cbfcnp,
6653 	    /*flags*/ CAM_DIR_IN,
6654 	    tag_action,
6655 	    /*protocol*/ protocol,
6656 	    /*ata_flags*/ ata_flags,
6657 	    /*features*/ features_out,
6658 	    /*sector_count*/ sectors_out,
6659 	    /*lba*/ zone_id,
6660 	    /*command*/ command_out,
6661 	    /*device*/ 0,
6662 	    /*icc*/ 0,
6663 	    /*auxiliary*/ auxiliary,
6664 	    /*control*/ 0,
6665 	    /*data_ptr*/ data_ptr,
6666 	    /*dxfer_len*/ (dxfer_len >> 9) * 512, /* XXX KDM */
6667 	    /*cdb_storage*/ cdb_storage,
6668 	    /*cdb_storage_len*/ cdb_storage_len,
6669 	    /*minimum_cmd_size*/ 0,
6670 	    /*sense_len*/ SSD_FULL_SIZE,
6671 	    /*timeout*/ timeout);
6672 
6673 bailout:
6674 	return (retval);
6675 }
6676