xref: /freebsd/sys/cam/scsi/scsi_da.c (revision cddbc3b40812213ff00041f79174cac0be360a2a)
1 /*-
2  * Implementation of SCSI Direct Access Peripheral driver for CAM.
3  *
4  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5  *
6  * Copyright (c) 1997 Justin T. Gibbs.
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions, and the following disclaimer,
14  *    without modification, immediately at the beginning of the file.
15  * 2. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
22  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30 
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33 
34 #include <sys/param.h>
35 
36 #ifdef _KERNEL
37 #include "opt_da.h"
38 #include <sys/systm.h>
39 #include <sys/kernel.h>
40 #include <sys/bio.h>
41 #include <sys/sysctl.h>
42 #include <sys/taskqueue.h>
43 #include <sys/lock.h>
44 #include <sys/mutex.h>
45 #include <sys/conf.h>
46 #include <sys/devicestat.h>
47 #include <sys/eventhandler.h>
48 #include <sys/malloc.h>
49 #include <sys/cons.h>
50 #include <sys/endian.h>
51 #include <sys/proc.h>
52 #include <sys/sbuf.h>
53 #include <geom/geom.h>
54 #include <geom/geom_disk.h>
55 #include <machine/atomic.h>
56 #endif /* _KERNEL */
57 
58 #ifndef _KERNEL
59 #include <stdio.h>
60 #include <string.h>
61 #endif /* _KERNEL */
62 
63 #include <cam/cam.h>
64 #include <cam/cam_ccb.h>
65 #include <cam/cam_periph.h>
66 #include <cam/cam_xpt_periph.h>
67 #include <cam/cam_sim.h>
68 #include <cam/cam_iosched.h>
69 
70 #include <cam/scsi/scsi_message.h>
71 #include <cam/scsi/scsi_da.h>
72 
73 #ifdef _KERNEL
74 /*
75  * Note that there are probe ordering dependencies here.  The order isn't
76  * controlled by this enumeration, but by explicit state transitions in
77  * dastart() and dadone().  Here are some of the dependencies:
78  *
79  * 1. RC should come first, before RC16, unless there is evidence that RC16
80  *    is supported.
81  * 2. BDC needs to come before any of the ATA probes, or the ZONE probe.
82  * 3. The ATA probes should go in this order:
83  *    ATA -> LOGDIR -> IDDIR -> SUP -> ATA_ZONE
84  */
85 typedef enum {
86 	DA_STATE_PROBE_WP,
87 	DA_STATE_PROBE_RC,
88 	DA_STATE_PROBE_RC16,
89 	DA_STATE_PROBE_LBP,
90 	DA_STATE_PROBE_BLK_LIMITS,
91 	DA_STATE_PROBE_BDC,
92 	DA_STATE_PROBE_ATA,
93 	DA_STATE_PROBE_ATA_LOGDIR,
94 	DA_STATE_PROBE_ATA_IDDIR,
95 	DA_STATE_PROBE_ATA_SUP,
96 	DA_STATE_PROBE_ATA_ZONE,
97 	DA_STATE_PROBE_ZONE,
98 	DA_STATE_NORMAL
99 } da_state;
100 
101 typedef enum {
102 	DA_FLAG_PACK_INVALID	= 0x000001,
103 	DA_FLAG_NEW_PACK	= 0x000002,
104 	DA_FLAG_PACK_LOCKED	= 0x000004,
105 	DA_FLAG_PACK_REMOVABLE	= 0x000008,
106 	DA_FLAG_NEED_OTAG	= 0x000020,
107 	DA_FLAG_WAS_OTAG	= 0x000040,
108 	DA_FLAG_RETRY_UA	= 0x000080,
109 	DA_FLAG_OPEN		= 0x000100,
110 	DA_FLAG_SCTX_INIT	= 0x000200,
111 	DA_FLAG_CAN_RC16	= 0x000400,
112 	DA_FLAG_PROBED		= 0x000800,
113 	DA_FLAG_DIRTY		= 0x001000,
114 	DA_FLAG_ANNOUNCED	= 0x002000,
115 	DA_FLAG_CAN_ATA_DMA	= 0x004000,
116 	DA_FLAG_CAN_ATA_LOG	= 0x008000,
117 	DA_FLAG_CAN_ATA_IDLOG	= 0x010000,
118 	DA_FLAG_CAN_ATA_SUPCAP	= 0x020000,
119 	DA_FLAG_CAN_ATA_ZONE	= 0x040000,
120 	DA_FLAG_TUR_PENDING	= 0x080000
121 } da_flags;
122 
123 typedef enum {
124 	DA_Q_NONE		= 0x00,
125 	DA_Q_NO_SYNC_CACHE	= 0x01,
126 	DA_Q_NO_6_BYTE		= 0x02,
127 	DA_Q_NO_PREVENT		= 0x04,
128 	DA_Q_4K			= 0x08,
129 	DA_Q_NO_RC16		= 0x10,
130 	DA_Q_NO_UNMAP		= 0x20,
131 	DA_Q_RETRY_BUSY		= 0x40,
132 	DA_Q_SMR_DM		= 0x80,
133 	DA_Q_STRICT_UNMAP	= 0x100,
134 	DA_Q_128KB		= 0x200
135 } da_quirks;
136 
137 #define DA_Q_BIT_STRING		\
138 	"\020"			\
139 	"\001NO_SYNC_CACHE"	\
140 	"\002NO_6_BYTE"		\
141 	"\003NO_PREVENT"	\
142 	"\0044K"		\
143 	"\005NO_RC16"		\
144 	"\006NO_UNMAP"		\
145 	"\007RETRY_BUSY"	\
146 	"\010SMR_DM"		\
147 	"\011STRICT_UNMAP"	\
148 	"\012128KB"
149 
150 typedef enum {
151 	DA_CCB_PROBE_RC		= 0x01,
152 	DA_CCB_PROBE_RC16	= 0x02,
153 	DA_CCB_PROBE_LBP	= 0x03,
154 	DA_CCB_PROBE_BLK_LIMITS	= 0x04,
155 	DA_CCB_PROBE_BDC	= 0x05,
156 	DA_CCB_PROBE_ATA	= 0x06,
157 	DA_CCB_BUFFER_IO	= 0x07,
158 	DA_CCB_DUMP		= 0x0A,
159 	DA_CCB_DELETE		= 0x0B,
160 	DA_CCB_TUR		= 0x0C,
161 	DA_CCB_PROBE_ZONE	= 0x0D,
162 	DA_CCB_PROBE_ATA_LOGDIR	= 0x0E,
163 	DA_CCB_PROBE_ATA_IDDIR	= 0x0F,
164 	DA_CCB_PROBE_ATA_SUP	= 0x10,
165 	DA_CCB_PROBE_ATA_ZONE	= 0x11,
166 	DA_CCB_PROBE_WP		= 0x12,
167 	DA_CCB_TYPE_MASK	= 0x1F,
168 	DA_CCB_RETRY_UA		= 0x20
169 } da_ccb_state;
170 
171 /*
172  * Order here is important for method choice
173  *
174  * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to
175  * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes
176  * using ATA_TRIM than the corresponding UNMAP results for a real world mysql
177  * import taking 5mins.
178  *
179  */
180 typedef enum {
181 	DA_DELETE_NONE,
182 	DA_DELETE_DISABLE,
183 	DA_DELETE_ATA_TRIM,
184 	DA_DELETE_UNMAP,
185 	DA_DELETE_WS16,
186 	DA_DELETE_WS10,
187 	DA_DELETE_ZERO,
188 	DA_DELETE_MIN = DA_DELETE_ATA_TRIM,
189 	DA_DELETE_MAX = DA_DELETE_ZERO
190 } da_delete_methods;
191 
192 /*
193  * For SCSI, host managed drives show up as a separate device type.  For
194  * ATA, host managed drives also have a different device signature.
195  * XXX KDM figure out the ATA host managed signature.
196  */
197 typedef enum {
198 	DA_ZONE_NONE		= 0x00,
199 	DA_ZONE_DRIVE_MANAGED	= 0x01,
200 	DA_ZONE_HOST_AWARE	= 0x02,
201 	DA_ZONE_HOST_MANAGED	= 0x03
202 } da_zone_mode;
203 
204 /*
205  * We distinguish between these interface cases in addition to the drive type:
206  * o ATA drive behind a SCSI translation layer that knows about ZBC/ZAC
207  * o ATA drive behind a SCSI translation layer that does not know about
208  *   ZBC/ZAC, and so needs to be managed via ATA passthrough.  In this
209  *   case, we would need to share the ATA code with the ada(4) driver.
210  * o SCSI drive.
211  */
212 typedef enum {
213 	DA_ZONE_IF_SCSI,
214 	DA_ZONE_IF_ATA_PASS,
215 	DA_ZONE_IF_ATA_SAT,
216 } da_zone_interface;
217 
218 typedef enum {
219 	DA_ZONE_FLAG_RZ_SUP		= 0x0001,
220 	DA_ZONE_FLAG_OPEN_SUP		= 0x0002,
221 	DA_ZONE_FLAG_CLOSE_SUP		= 0x0004,
222 	DA_ZONE_FLAG_FINISH_SUP		= 0x0008,
223 	DA_ZONE_FLAG_RWP_SUP		= 0x0010,
224 	DA_ZONE_FLAG_SUP_MASK		= (DA_ZONE_FLAG_RZ_SUP |
225 					   DA_ZONE_FLAG_OPEN_SUP |
226 					   DA_ZONE_FLAG_CLOSE_SUP |
227 					   DA_ZONE_FLAG_FINISH_SUP |
228 					   DA_ZONE_FLAG_RWP_SUP),
229 	DA_ZONE_FLAG_URSWRZ		= 0x0020,
230 	DA_ZONE_FLAG_OPT_SEQ_SET	= 0x0040,
231 	DA_ZONE_FLAG_OPT_NONSEQ_SET	= 0x0080,
232 	DA_ZONE_FLAG_MAX_SEQ_SET	= 0x0100,
233 	DA_ZONE_FLAG_SET_MASK		= (DA_ZONE_FLAG_OPT_SEQ_SET |
234 					   DA_ZONE_FLAG_OPT_NONSEQ_SET |
235 					   DA_ZONE_FLAG_MAX_SEQ_SET)
236 } da_zone_flags;
237 
238 static struct da_zone_desc {
239 	da_zone_flags value;
240 	const char *desc;
241 } da_zone_desc_table[] = {
242 	{DA_ZONE_FLAG_RZ_SUP, "Report Zones" },
243 	{DA_ZONE_FLAG_OPEN_SUP, "Open" },
244 	{DA_ZONE_FLAG_CLOSE_SUP, "Close" },
245 	{DA_ZONE_FLAG_FINISH_SUP, "Finish" },
246 	{DA_ZONE_FLAG_RWP_SUP, "Reset Write Pointer" },
247 };
248 
249 typedef void da_delete_func_t (struct cam_periph *periph, union ccb *ccb,
250 			      struct bio *bp);
251 static da_delete_func_t da_delete_trim;
252 static da_delete_func_t da_delete_unmap;
253 static da_delete_func_t da_delete_ws;
254 
255 static const void * da_delete_functions[] = {
256 	NULL,
257 	NULL,
258 	da_delete_trim,
259 	da_delete_unmap,
260 	da_delete_ws,
261 	da_delete_ws,
262 	da_delete_ws
263 };
264 
265 static const char *da_delete_method_names[] =
266     { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" };
267 static const char *da_delete_method_desc[] =
268     { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP",
269       "WRITE SAME(10) with UNMAP", "ZERO" };
270 
271 /* Offsets into our private area for storing information */
272 #define ccb_state	ppriv_field0
273 #define ccb_bp		ppriv_ptr1
274 
275 struct disk_params {
276 	u_int8_t  heads;
277 	u_int32_t cylinders;
278 	u_int8_t  secs_per_track;
279 	u_int32_t secsize;	/* Number of bytes/sector */
280 	u_int64_t sectors;	/* total number sectors */
281 	u_int     stripesize;
282 	u_int     stripeoffset;
283 };
284 
285 #define UNMAP_RANGE_MAX		0xffffffff
286 #define UNMAP_HEAD_SIZE		8
287 #define UNMAP_RANGE_SIZE	16
288 #define UNMAP_MAX_RANGES	2048 /* Protocol Max is 4095 */
289 #define UNMAP_BUF_SIZE		((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \
290 				UNMAP_HEAD_SIZE)
291 
292 #define WS10_MAX_BLKS		0xffff
293 #define WS16_MAX_BLKS		0xffffffff
294 #define ATA_TRIM_MAX_RANGES	((UNMAP_BUF_SIZE / \
295 	(ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE)
296 
297 #define DA_WORK_TUR		(1 << 16)
298 
299 typedef enum {
300 	DA_REF_OPEN = 1,
301 	DA_REF_OPEN_HOLD,
302 	DA_REF_CLOSE_HOLD,
303 	DA_REF_PROBE_HOLD,
304 	DA_REF_TUR,
305 	DA_REF_GEOM,
306 	DA_REF_SYSCTL,
307 	DA_REF_REPROBE,
308 	DA_REF_MAX		/* KEEP LAST */
309 } da_ref_token;
310 
311 struct da_softc {
312 	struct   cam_iosched_softc *cam_iosched;
313 	struct	 bio_queue_head delete_run_queue;
314 	LIST_HEAD(, ccb_hdr) pending_ccbs;
315 	int	 refcount;		/* Active xpt_action() calls */
316 	da_state state;
317 	da_flags flags;
318 	da_quirks quirks;
319 	int	 minimum_cmd_size;
320 	int	 error_inject;
321 	int	 trim_max_ranges;
322 	int	 delete_available;	/* Delete methods possibly available */
323 	da_zone_mode			zone_mode;
324 	da_zone_interface		zone_interface;
325 	da_zone_flags			zone_flags;
326 	struct ata_gp_log_dir		ata_logdir;
327 	int				valid_logdir_len;
328 	struct ata_identify_log_pages	ata_iddir;
329 	int				valid_iddir_len;
330 	uint64_t			optimal_seq_zones;
331 	uint64_t			optimal_nonseq_zones;
332 	uint64_t			max_seq_zones;
333 	u_int			maxio;
334 	uint32_t		unmap_max_ranges;
335 	uint32_t		unmap_max_lba; /* Max LBAs in UNMAP req */
336 	uint32_t		unmap_gran;
337 	uint32_t		unmap_gran_align;
338 	uint64_t		ws_max_blks;
339 	uint64_t		trim_count;
340 	uint64_t		trim_ranges;
341 	uint64_t		trim_lbas;
342 	da_delete_methods	delete_method_pref;
343 	da_delete_methods	delete_method;
344 	da_delete_func_t	*delete_func;
345 	int			unmappedio;
346 	int			rotating;
347 	int			p_type;
348 	struct	 disk_params params;
349 	struct	 disk *disk;
350 	union	 ccb saved_ccb;
351 	struct task		sysctl_task;
352 	struct sysctl_ctx_list	sysctl_ctx;
353 	struct sysctl_oid	*sysctl_tree;
354 	struct callout		sendordered_c;
355 	uint64_t wwpn;
356 	uint8_t	 unmap_buf[UNMAP_BUF_SIZE];
357 	struct scsi_read_capacity_data_long rcaplong;
358 	struct callout		mediapoll_c;
359 	int			ref_flags[DA_REF_MAX];
360 #ifdef CAM_IO_STATS
361 	struct sysctl_ctx_list	sysctl_stats_ctx;
362 	struct sysctl_oid	*sysctl_stats_tree;
363 	u_int	errors;
364 	u_int	timeouts;
365 	u_int	invalidations;
366 #endif
367 #define DA_ANNOUNCETMP_SZ 160
368 	char			announce_temp[DA_ANNOUNCETMP_SZ];
369 #define DA_ANNOUNCE_SZ 400
370 	char			announcebuf[DA_ANNOUNCE_SZ];
371 };
372 
373 #define dadeleteflag(softc, delete_method, enable)			\
374 	if (enable) {							\
375 		softc->delete_available |= (1 << delete_method);	\
376 	} else {							\
377 		softc->delete_available &= ~(1 << delete_method);	\
378 	}
379 
380 struct da_quirk_entry {
381 	struct scsi_inquiry_pattern inq_pat;
382 	da_quirks quirks;
383 };
384 
385 static const char quantum[] = "QUANTUM";
386 static const char microp[] = "MICROP";
387 
388 static struct da_quirk_entry da_quirk_table[] =
389 {
390 	/* SPI, FC devices */
391 	{
392 		/*
393 		 * Fujitsu M2513A MO drives.
394 		 * Tested devices: M2513A2 firmware versions 1200 & 1300.
395 		 * (dip switch selects whether T_DIRECT or T_OPTICAL device)
396 		 * Reported by: W.Scholten <whs@xs4all.nl>
397 		 */
398 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
399 		/*quirks*/ DA_Q_NO_SYNC_CACHE
400 	},
401 	{
402 		/* See above. */
403 		{T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
404 		/*quirks*/ DA_Q_NO_SYNC_CACHE
405 	},
406 	{
407 		/*
408 		 * This particular Fujitsu drive doesn't like the
409 		 * synchronize cache command.
410 		 * Reported by: Tom Jackson <toj@gorilla.net>
411 		 */
412 		{T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
413 		/*quirks*/ DA_Q_NO_SYNC_CACHE
414 	},
415 	{
416 		/*
417 		 * This drive doesn't like the synchronize cache command
418 		 * either.  Reported by: Matthew Jacob <mjacob@feral.com>
419 		 * in NetBSD PR kern/6027, August 24, 1998.
420 		 */
421 		{T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
422 		/*quirks*/ DA_Q_NO_SYNC_CACHE
423 	},
424 	{
425 		/*
426 		 * This drive doesn't like the synchronize cache command
427 		 * either.  Reported by: Hellmuth Michaelis (hm@kts.org)
428 		 * (PR 8882).
429 		 */
430 		{T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
431 		/*quirks*/ DA_Q_NO_SYNC_CACHE
432 	},
433 	{
434 		/*
435 		 * Doesn't like the synchronize cache command.
436 		 * Reported by: Blaz Zupan <blaz@gold.amis.net>
437 		 */
438 		{T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
439 		/*quirks*/ DA_Q_NO_SYNC_CACHE
440 	},
441 	{
442 		/*
443 		 * Doesn't like the synchronize cache command.
444 		 * Reported by: Blaz Zupan <blaz@gold.amis.net>
445 		 */
446 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
447 		/*quirks*/ DA_Q_NO_SYNC_CACHE
448 	},
449 	{
450 		/*
451 		 * Doesn't like the synchronize cache command.
452 		 */
453 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
454 		/*quirks*/ DA_Q_NO_SYNC_CACHE
455 	},
456 	{
457 		/*
458 		 * Doesn't like the synchronize cache command.
459 		 * Reported by: walter@pelissero.de
460 		 */
461 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"},
462 		/*quirks*/ DA_Q_NO_SYNC_CACHE
463 	},
464 	{
465 		/*
466 		 * Doesn't work correctly with 6 byte reads/writes.
467 		 * Returns illegal request, and points to byte 9 of the
468 		 * 6-byte CDB.
469 		 * Reported by:  Adam McDougall <bsdx@spawnet.com>
470 		 */
471 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
472 		/*quirks*/ DA_Q_NO_6_BYTE
473 	},
474 	{
475 		/* See above. */
476 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
477 		/*quirks*/ DA_Q_NO_6_BYTE
478 	},
479 	{
480 		/*
481 		 * Doesn't like the synchronize cache command.
482 		 * Reported by: walter@pelissero.de
483 		 */
484 		{T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"},
485 		/*quirks*/ DA_Q_NO_SYNC_CACHE
486 	},
487 	{
488 		/*
489 		 * The CISS RAID controllers do not support SYNC_CACHE
490 		 */
491 		{T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
492 		/*quirks*/ DA_Q_NO_SYNC_CACHE
493 	},
494 	{
495 		/*
496 		 * The STEC SSDs sometimes hang on UNMAP.
497 		 */
498 		{T_DIRECT, SIP_MEDIA_FIXED, "STEC", "*", "*"},
499 		/*quirks*/ DA_Q_NO_UNMAP
500 	},
501 	{
502 		/*
503 		 * VMware returns BUSY status when storage has transient
504 		 * connectivity problems, so better wait.
505 		 * Also VMware returns odd errors on misaligned UNMAPs.
506 		 */
507 		{T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*"},
508 		/*quirks*/ DA_Q_RETRY_BUSY | DA_Q_STRICT_UNMAP
509 	},
510 	/* USB mass storage devices supported by umass(4) */
511 	{
512 		/*
513 		 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
514 		 * PR: kern/51675
515 		 */
516 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
517 		/*quirks*/ DA_Q_NO_SYNC_CACHE
518 	},
519 	{
520 		/*
521 		 * Power Quotient Int. (PQI) USB flash key
522 		 * PR: kern/53067
523 		 */
524 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*",
525 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
526 	},
527 	{
528 		/*
529 		 * Creative Nomad MUVO mp3 player (USB)
530 		 * PR: kern/53094
531 		 */
532 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
533 		/*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
534 	},
535 	{
536 		/*
537 		 * Jungsoft NEXDISK USB flash key
538 		 * PR: kern/54737
539 		 */
540 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
541 		/*quirks*/ DA_Q_NO_SYNC_CACHE
542 	},
543 	{
544 		/*
545 		 * FreeDik USB Mini Data Drive
546 		 * PR: kern/54786
547 		 */
548 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive",
549 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
550 	},
551 	{
552 		/*
553 		 * Sigmatel USB Flash MP3 Player
554 		 * PR: kern/57046
555 		 */
556 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"},
557 		/*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
558 	},
559 	{
560 		/*
561 		 * Neuros USB Digital Audio Computer
562 		 * PR: kern/63645
563 		 */
564 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.",
565 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
566 	},
567 	{
568 		/*
569 		 * SEAGRAND NP-900 MP3 Player
570 		 * PR: kern/64563
571 		 */
572 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"},
573 		/*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
574 	},
575 	{
576 		/*
577 		 * iRiver iFP MP3 player (with UMS Firmware)
578 		 * PR: kern/54881, i386/63941, kern/66124
579 		 */
580 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
581 		/*quirks*/ DA_Q_NO_SYNC_CACHE
582 	},
583 	{
584 		/*
585 		 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
586 		 * PR: kern/70158
587 		 */
588 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"},
589 		/*quirks*/ DA_Q_NO_SYNC_CACHE
590 	},
591 	{
592 		/*
593 		 * ZICPlay USB MP3 Player with FM
594 		 * PR: kern/75057
595 		 */
596 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"},
597 		/*quirks*/ DA_Q_NO_SYNC_CACHE
598 	},
599 	{
600 		/*
601 		 * TEAC USB floppy mechanisms
602 		 */
603 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"},
604 		/*quirks*/ DA_Q_NO_SYNC_CACHE
605 	},
606 	{
607 		/*
608 		 * Kingston DataTraveler II+ USB Pen-Drive.
609 		 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org>
610 		 */
611 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+",
612 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
613 	},
614 	{
615 		/*
616 		 * USB DISK Pro PMAP
617 		 * Reported by: jhs
618 		 * PR: usb/96381
619 		 */
620 		{T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"},
621 		/*quirks*/ DA_Q_NO_SYNC_CACHE
622 	},
623 	{
624 		/*
625 		 * Motorola E398 Mobile Phone (TransFlash memory card).
626 		 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl>
627 		 * PR: usb/89889
628 		 */
629 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone",
630 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
631 	},
632 	{
633 		/*
634 		 * Qware BeatZkey! Pro
635 		 * PR: usb/79164
636 		 */
637 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE",
638 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
639 	},
640 	{
641 		/*
642 		 * Time DPA20B 1GB MP3 Player
643 		 * PR: usb/81846
644 		 */
645 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*",
646 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
647 	},
648 	{
649 		/*
650 		 * Samsung USB key 128Mb
651 		 * PR: usb/90081
652 		 */
653 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb",
654 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
655 	},
656 	{
657 		/*
658 		 * Kingston DataTraveler 2.0 USB Flash memory.
659 		 * PR: usb/89196
660 		 */
661 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0",
662 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
663 	},
664 	{
665 		/*
666 		 * Creative MUVO Slim mp3 player (USB)
667 		 * PR: usb/86131
668 		 */
669 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim",
670 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
671 		},
672 	{
673 		/*
674 		 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3)
675 		 * PR: usb/80487
676 		 */
677 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK",
678 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
679 	},
680 	{
681 		/*
682 		 * SanDisk Micro Cruzer 128MB
683 		 * PR: usb/75970
684 		 */
685 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer",
686 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
687 	},
688 	{
689 		/*
690 		 * TOSHIBA TransMemory USB sticks
691 		 * PR: kern/94660
692 		 */
693 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory",
694 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
695 	},
696 	{
697 		/*
698 		 * PNY USB 3.0 Flash Drives
699 		*/
700 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "PNY", "USB 3.0 FD*",
701 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_RC16
702 	},
703 	{
704 		/*
705 		 * PNY USB Flash keys
706 		 * PR: usb/75578, usb/72344, usb/65436
707 		 */
708 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*",
709 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
710 	},
711 	{
712 		/*
713 		 * Genesys GL3224
714 		 */
715 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
716 		"120?"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_4K | DA_Q_NO_RC16
717 	},
718 	{
719 		/*
720 		 * Genesys 6-in-1 Card Reader
721 		 * PR: usb/94647
722 		 */
723 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
724 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
725 	},
726 	{
727 		/*
728 		 * Rekam Digital CAMERA
729 		 * PR: usb/98713
730 		 */
731 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*",
732 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
733 	},
734 	{
735 		/*
736 		 * iRiver H10 MP3 player
737 		 * PR: usb/102547
738 		 */
739 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*",
740 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
741 	},
742 	{
743 		/*
744 		 * iRiver U10 MP3 player
745 		 * PR: usb/92306
746 		 */
747 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*",
748 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
749 	},
750 	{
751 		/*
752 		 * X-Micro Flash Disk
753 		 * PR: usb/96901
754 		 */
755 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk",
756 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
757 	},
758 	{
759 		/*
760 		 * EasyMP3 EM732X USB 2.0 Flash MP3 Player
761 		 * PR: usb/96546
762 		 */
763 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*",
764 		"1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
765 	},
766 	{
767 		/*
768 		 * Denver MP3 player
769 		 * PR: usb/107101
770 		 */
771 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER",
772 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
773 	},
774 	{
775 		/*
776 		 * Philips USB Key Audio KEY013
777 		 * PR: usb/68412
778 		 */
779 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"},
780 		/*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
781 	},
782 	{
783 		/*
784 		 * JNC MP3 Player
785 		 * PR: usb/94439
786 		 */
787 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*",
788 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
789 	},
790 	{
791 		/*
792 		 * SAMSUNG MP0402H
793 		 * PR: usb/108427
794 		 */
795 		{T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"},
796 		/*quirks*/ DA_Q_NO_SYNC_CACHE
797 	},
798 	{
799 		/*
800 		 * I/O Magic USB flash - Giga Bank
801 		 * PR: usb/108810
802 		 */
803 		{T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"},
804 		/*quirks*/ DA_Q_NO_SYNC_CACHE
805 	},
806 	{
807 		/*
808 		 * JoyFly 128mb USB Flash Drive
809 		 * PR: 96133
810 		 */
811 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*",
812 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
813 	},
814 	{
815 		/*
816 		 * ChipsBnk usb stick
817 		 * PR: 103702
818 		 */
819 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*",
820 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
821 	},
822 	{
823 		/*
824 		 * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A
825 		 * PR: 129858
826 		 */
827 		{T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*",
828 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
829 	},
830 	{
831 		/*
832 		 * Samsung YP-U3 mp3-player
833 		 * PR: 125398
834 		 */
835 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3",
836 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
837 	},
838 	{
839 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*",
840 		 "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
841 	},
842 	{
843 		/*
844 		 * Sony Cyber-Shot DSC cameras
845 		 * PR: usb/137035
846 		 */
847 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
848 		/*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
849 	},
850 	{
851 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3",
852 		 "1.00"}, /*quirks*/ DA_Q_NO_PREVENT
853 	},
854 	{
855 		/* At least several Transcent USB sticks lie on RC16. */
856 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "JetFlash", "Transcend*",
857 		 "*"}, /*quirks*/ DA_Q_NO_RC16
858 	},
859 	{
860 		/*
861 		 * I-O Data USB Flash Disk
862 		 * PR: usb/211716
863 		 */
864 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "I-O DATA", "USB Flash Disk*",
865 		 "*"}, /*quirks*/ DA_Q_NO_RC16
866 	},
867 	{
868 		/*
869 		 * SLC CHIPFANCIER USB drives
870 		 * PR: usb/234503 (RC10 right, RC16 wrong)
871 		 * 16GB, 32GB and 128GB confirmed to have same issue
872 		 */
873 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "*SLC", "CHIPFANCIER",
874 		 "*"}, /*quirks*/ DA_Q_NO_RC16
875        },
876 	/* ATA/SATA devices over SAS/USB/... */
877 	{
878 		/* Sandisk X400 */
879 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SanDisk SD8SB8U1*", "*" },
880 		/*quirks*/DA_Q_128KB
881 	},
882 	{
883 		/* Hitachi Advanced Format (4k) drives */
884 		{ T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" },
885 		/*quirks*/DA_Q_4K
886 	},
887 	{
888 		/* Micron Advanced Format (4k) drives */
889 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Micron 5100 MTFDDAK*", "*" },
890 		/*quirks*/DA_Q_4K
891 	},
892 	{
893 		/* Samsung Advanced Format (4k) drives */
894 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" },
895 		/*quirks*/DA_Q_4K
896 	},
897 	{
898 		/* Samsung Advanced Format (4k) drives */
899 		{ T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" },
900 		/*quirks*/DA_Q_4K
901 	},
902 	{
903 		/* Samsung Advanced Format (4k) drives */
904 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" },
905 		/*quirks*/DA_Q_4K
906 	},
907 	{
908 		/* Samsung Advanced Format (4k) drives */
909 		{ T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" },
910 		/*quirks*/DA_Q_4K
911 	},
912 	{
913 		/* Seagate Barracuda Green Advanced Format (4k) drives */
914 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" },
915 		/*quirks*/DA_Q_4K
916 	},
917 	{
918 		/* Seagate Barracuda Green Advanced Format (4k) drives */
919 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" },
920 		/*quirks*/DA_Q_4K
921 	},
922 	{
923 		/* Seagate Barracuda Green Advanced Format (4k) drives */
924 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" },
925 		/*quirks*/DA_Q_4K
926 	},
927 	{
928 		/* Seagate Barracuda Green Advanced Format (4k) drives */
929 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" },
930 		/*quirks*/DA_Q_4K
931 	},
932 	{
933 		/* Seagate Barracuda Green Advanced Format (4k) drives */
934 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" },
935 		/*quirks*/DA_Q_4K
936 	},
937 	{
938 		/* Seagate Barracuda Green Advanced Format (4k) drives */
939 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" },
940 		/*quirks*/DA_Q_4K
941 	},
942 	{
943 		/* Seagate Momentus Advanced Format (4k) drives */
944 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" },
945 		/*quirks*/DA_Q_4K
946 	},
947 	{
948 		/* Seagate Momentus Advanced Format (4k) drives */
949 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" },
950 		/*quirks*/DA_Q_4K
951 	},
952 	{
953 		/* Seagate Momentus Advanced Format (4k) drives */
954 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" },
955 		/*quirks*/DA_Q_4K
956 	},
957 	{
958 		/* Seagate Momentus Advanced Format (4k) drives */
959 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" },
960 		/*quirks*/DA_Q_4K
961 	},
962 	{
963 		/* Seagate Momentus Advanced Format (4k) drives */
964 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" },
965 		/*quirks*/DA_Q_4K
966 	},
967 	{
968 		/* Seagate Momentus Advanced Format (4k) drives */
969 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" },
970 		/*quirks*/DA_Q_4K
971 	},
972 	{
973 		/* Seagate Momentus Advanced Format (4k) drives */
974 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" },
975 		/*quirks*/DA_Q_4K
976 	},
977 	{
978 		/* Seagate Momentus Advanced Format (4k) drives */
979 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" },
980 		/*quirks*/DA_Q_4K
981 	},
982 	{
983 		/* Seagate Momentus Advanced Format (4k) drives */
984 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" },
985 		/*quirks*/DA_Q_4K
986 	},
987 	{
988 		/* Seagate Momentus Advanced Format (4k) drives */
989 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" },
990 		/*quirks*/DA_Q_4K
991 	},
992 	{
993 		/* Seagate Momentus Advanced Format (4k) drives */
994 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" },
995 		/*quirks*/DA_Q_4K
996 	},
997 	{
998 		/* Seagate Momentus Advanced Format (4k) drives */
999 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" },
1000 		/*quirks*/DA_Q_4K
1001 	},
1002 	{
1003 		/* Seagate Momentus Advanced Format (4k) drives */
1004 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" },
1005 		/*quirks*/DA_Q_4K
1006 	},
1007 	{
1008 		/* Seagate Momentus Advanced Format (4k) drives */
1009 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" },
1010 		/*quirks*/DA_Q_4K
1011 	},
1012 	{
1013 		/* Seagate Momentus Thin Advanced Format (4k) drives */
1014 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" },
1015 		/*quirks*/DA_Q_4K
1016 	},
1017 	{
1018 		/* Seagate Momentus Thin Advanced Format (4k) drives */
1019 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" },
1020 		/*quirks*/DA_Q_4K
1021 	},
1022 	{
1023 		/* WDC Caviar Green Advanced Format (4k) drives */
1024 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" },
1025 		/*quirks*/DA_Q_4K
1026 	},
1027 	{
1028 		/* WDC Caviar Green Advanced Format (4k) drives */
1029 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" },
1030 		/*quirks*/DA_Q_4K
1031 	},
1032 	{
1033 		/* WDC Caviar Green Advanced Format (4k) drives */
1034 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" },
1035 		/*quirks*/DA_Q_4K
1036 	},
1037 	{
1038 		/* WDC Caviar Green Advanced Format (4k) drives */
1039 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" },
1040 		/*quirks*/DA_Q_4K
1041 	},
1042 	{
1043 		/* WDC Caviar Green Advanced Format (4k) drives */
1044 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" },
1045 		/*quirks*/DA_Q_4K
1046 	},
1047 	{
1048 		/* WDC Caviar Green Advanced Format (4k) drives */
1049 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" },
1050 		/*quirks*/DA_Q_4K
1051 	},
1052 	{
1053 		/* WDC Caviar Green Advanced Format (4k) drives */
1054 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" },
1055 		/*quirks*/DA_Q_4K
1056 	},
1057 	{
1058 		/* WDC Caviar Green Advanced Format (4k) drives */
1059 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" },
1060 		/*quirks*/DA_Q_4K
1061 	},
1062 	{
1063 		/* WDC Scorpio Black Advanced Format (4k) drives */
1064 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" },
1065 		/*quirks*/DA_Q_4K
1066 	},
1067 	{
1068 		/* WDC Scorpio Black Advanced Format (4k) drives */
1069 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" },
1070 		/*quirks*/DA_Q_4K
1071 	},
1072 	{
1073 		/* WDC Scorpio Black Advanced Format (4k) drives */
1074 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" },
1075 		/*quirks*/DA_Q_4K
1076 	},
1077 	{
1078 		/* WDC Scorpio Black Advanced Format (4k) drives */
1079 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" },
1080 		/*quirks*/DA_Q_4K
1081 	},
1082 	{
1083 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1084 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" },
1085 		/*quirks*/DA_Q_4K
1086 	},
1087 	{
1088 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1089 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" },
1090 		/*quirks*/DA_Q_4K
1091 	},
1092 	{
1093 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1094 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" },
1095 		/*quirks*/DA_Q_4K
1096 	},
1097 	{
1098 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1099 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" },
1100 		/*quirks*/DA_Q_4K
1101 	},
1102 	{
1103 		/*
1104 		 * Olympus digital cameras (C-3040ZOOM, C-2040ZOOM, C-1)
1105 		 * PR: usb/97472
1106 		 */
1107 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "C*", "*"},
1108 		/*quirks*/ DA_Q_NO_6_BYTE | DA_Q_NO_SYNC_CACHE
1109 	},
1110 	{
1111 		/*
1112 		 * Olympus digital cameras (D-370)
1113 		 * PR: usb/97472
1114 		 */
1115 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "D*", "*"},
1116 		/*quirks*/ DA_Q_NO_6_BYTE
1117 	},
1118 	{
1119 		/*
1120 		 * Olympus digital cameras (E-100RS, E-10).
1121 		 * PR: usb/97472
1122 		 */
1123 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "E*", "*"},
1124 		/*quirks*/ DA_Q_NO_6_BYTE | DA_Q_NO_SYNC_CACHE
1125 	},
1126 	{
1127 		/*
1128 		 * Olympus FE-210 camera
1129 		 */
1130 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*",
1131 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1132 	},
1133 	{
1134 		/*
1135 		* Pentax Digital Camera
1136 		* PR: usb/93389
1137 		*/
1138 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "PENTAX", "DIGITAL CAMERA",
1139 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1140 	},
1141 	{
1142 		/*
1143 		 * LG UP3S MP3 player
1144 		 */
1145 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S",
1146 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1147 	},
1148 	{
1149 		/*
1150 		 * Laser MP3-2GA13 MP3 player
1151 		 */
1152 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk",
1153 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1154 	},
1155 	{
1156 		/*
1157 		 * LaCie external 250GB Hard drive des by Porsche
1158 		 * Submitted by: Ben Stuyts <ben@altesco.nl>
1159 		 * PR: 121474
1160 		 */
1161 		{T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"},
1162 		/*quirks*/ DA_Q_NO_SYNC_CACHE
1163 	},
1164 	/* SATA SSDs */
1165 	{
1166 		/*
1167 		 * Corsair Force 2 SSDs
1168 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1169 		 */
1170 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair CSSD-F*", "*" },
1171 		/*quirks*/DA_Q_4K
1172 	},
1173 	{
1174 		/*
1175 		 * Corsair Force 3 SSDs
1176 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1177 		 */
1178 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force 3*", "*" },
1179 		/*quirks*/DA_Q_4K
1180 	},
1181         {
1182 		/*
1183 		 * Corsair Neutron GTX SSDs
1184 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1185 		 */
1186 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" },
1187 		/*quirks*/DA_Q_4K
1188 	},
1189 	{
1190 		/*
1191 		 * Corsair Force GT & GS SSDs
1192 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1193 		 */
1194 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force G*", "*" },
1195 		/*quirks*/DA_Q_4K
1196 	},
1197 	{
1198 		/*
1199 		 * Crucial M4 SSDs
1200 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1201 		 */
1202 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "M4-CT???M4SSD2*", "*" },
1203 		/*quirks*/DA_Q_4K
1204 	},
1205 	{
1206 		/*
1207 		 * Crucial RealSSD C300 SSDs
1208 		 * 4k optimised
1209 		 */
1210 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "C300-CTFDDAC???MAG*",
1211 		"*" }, /*quirks*/DA_Q_4K
1212 	},
1213 	{
1214 		/*
1215 		 * Intel 320 Series SSDs
1216 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1217 		 */
1218 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2CW*", "*" },
1219 		/*quirks*/DA_Q_4K
1220 	},
1221 	{
1222 		/*
1223 		 * Intel 330 Series SSDs
1224 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1225 		 */
1226 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2CT*", "*" },
1227 		/*quirks*/DA_Q_4K
1228 	},
1229 	{
1230 		/*
1231 		 * Intel 510 Series SSDs
1232 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1233 		 */
1234 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2MH*", "*" },
1235 		/*quirks*/DA_Q_4K
1236 	},
1237 	{
1238 		/*
1239 		 * Intel 520 Series SSDs
1240 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1241 		 */
1242 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BW*", "*" },
1243 		/*quirks*/DA_Q_4K
1244 	},
1245 	{
1246 		/*
1247 		 * Intel S3610 Series SSDs
1248 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1249 		 */
1250 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BX*", "*" },
1251 		/*quirks*/DA_Q_4K
1252 	},
1253 	{
1254 		/*
1255 		 * Intel X25-M Series SSDs
1256 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1257 		 */
1258 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2M*", "*" },
1259 		/*quirks*/DA_Q_4K
1260 	},
1261 	{
1262 		/*
1263 		 * Kingston E100 Series SSDs
1264 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1265 		 */
1266 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SE100S3*", "*" },
1267 		/*quirks*/DA_Q_4K
1268 	},
1269 	{
1270 		/*
1271 		 * Kingston HyperX 3k SSDs
1272 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1273 		 */
1274 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SH103S3*", "*" },
1275 		/*quirks*/DA_Q_4K
1276 	},
1277 	{
1278 		/*
1279 		 * Marvell SSDs (entry taken from OpenSolaris)
1280 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1281 		 */
1282 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MARVELL SD88SA02*", "*" },
1283 		/*quirks*/DA_Q_4K
1284 	},
1285 	{
1286 		/*
1287 		 * OCZ Agility 2 SSDs
1288 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1289 		 */
1290 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" },
1291 		/*quirks*/DA_Q_4K
1292 	},
1293 	{
1294 		/*
1295 		 * OCZ Agility 3 SSDs
1296 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1297 		 */
1298 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-AGILITY3*", "*" },
1299 		/*quirks*/DA_Q_4K
1300 	},
1301 	{
1302 		/*
1303 		 * OCZ Deneva R Series SSDs
1304 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1305 		 */
1306 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "DENRSTE251M45*", "*" },
1307 		/*quirks*/DA_Q_4K
1308 	},
1309 	{
1310 		/*
1311 		 * OCZ Vertex 2 SSDs (inc pro series)
1312 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1313 		 */
1314 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ?VERTEX2*", "*" },
1315 		/*quirks*/DA_Q_4K
1316 	},
1317 	{
1318 		/*
1319 		 * OCZ Vertex 3 SSDs
1320 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1321 		 */
1322 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX3*", "*" },
1323 		/*quirks*/DA_Q_4K
1324 	},
1325 	{
1326 		/*
1327 		 * OCZ Vertex 4 SSDs
1328 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1329 		 */
1330 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX4*", "*" },
1331 		/*quirks*/DA_Q_4K
1332 	},
1333 	{
1334 		/*
1335 		 * Samsung 750 Series SSDs
1336 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1337 		 */
1338 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 750*", "*" },
1339 		/*quirks*/DA_Q_4K
1340 	},
1341 	{
1342 		/*
1343 		 * Samsung 830 Series SSDs
1344 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1345 		 */
1346 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG SSD 830 Series*", "*" },
1347 		/*quirks*/DA_Q_4K
1348 	},
1349 	{
1350 		/*
1351 		 * Samsung 840 SSDs
1352 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1353 		 */
1354 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 840*", "*" },
1355 		/*quirks*/DA_Q_4K
1356 	},
1357 	{
1358 		/*
1359 		 * Samsung 845 SSDs
1360 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1361 		 */
1362 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 845*", "*" },
1363 		/*quirks*/DA_Q_4K
1364 	},
1365 	{
1366 		/*
1367 		 * Samsung 850 SSDs
1368 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1369 		 */
1370 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 850*", "*" },
1371 		/*quirks*/DA_Q_4K
1372 	},
1373 	{
1374 		/*
1375 		 * Samsung 843T Series SSDs (MZ7WD*)
1376 		 * Samsung PM851 Series SSDs (MZ7TE*)
1377 		 * Samsung PM853T Series SSDs (MZ7GE*)
1378 		 * Samsung SM863 Series SSDs (MZ7KM*)
1379 		 * 4k optimised
1380 		 */
1381 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG MZ7*", "*" },
1382 		/*quirks*/DA_Q_4K
1383 	},
1384 	{
1385 		/*
1386 		 * Same as for SAMSUNG MZ7* but enable the quirks for SSD
1387 		 * starting with MZ7* too
1388 		 */
1389 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MZ7*", "*" },
1390 		/*quirks*/DA_Q_4K
1391 	},
1392 	{
1393 		/*
1394 		 * SuperTalent TeraDrive CT SSDs
1395 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1396 		 */
1397 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" },
1398 		/*quirks*/DA_Q_4K
1399 	},
1400 	{
1401 		/*
1402 		 * XceedIOPS SATA SSDs
1403 		 * 4k optimised
1404 		 */
1405 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" },
1406 		/*quirks*/DA_Q_4K
1407 	},
1408 	{
1409 		/*
1410 		 * Hama Innostor USB-Stick
1411 		 */
1412 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "Innostor", "Innostor*", "*" },
1413 		/*quirks*/DA_Q_NO_RC16
1414 	},
1415 	{
1416 		/*
1417 		 * Seagate Lamarr 8TB Shingled Magnetic Recording (SMR)
1418 		 * Drive Managed SATA hard drive.  This drive doesn't report
1419 		 * in firmware that it is a drive managed SMR drive.
1420 		 */
1421 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST8000AS000[23]*", "*" },
1422 		/*quirks*/DA_Q_SMR_DM
1423 	},
1424 	{
1425 		/*
1426 		 * MX-ES USB Drive by Mach Xtreme
1427 		 */
1428 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "MX", "MXUB3*", "*"},
1429 		/*quirks*/DA_Q_NO_RC16
1430 	},
1431 };
1432 
1433 static	disk_strategy_t	dastrategy;
1434 static	dumper_t	dadump;
1435 static	periph_init_t	dainit;
1436 static	void		daasync(void *callback_arg, u_int32_t code,
1437 				struct cam_path *path, void *arg);
1438 static	void		dasysctlinit(void *context, int pending);
1439 static	int		dasysctlsofttimeout(SYSCTL_HANDLER_ARGS);
1440 static	int		dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
1441 static	int		dadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
1442 static	int		dazonemodesysctl(SYSCTL_HANDLER_ARGS);
1443 static	int		dazonesupsysctl(SYSCTL_HANDLER_ARGS);
1444 static	int		dadeletemaxsysctl(SYSCTL_HANDLER_ARGS);
1445 static	void		dadeletemethodset(struct da_softc *softc,
1446 					  da_delete_methods delete_method);
1447 static	off_t		dadeletemaxsize(struct da_softc *softc,
1448 					da_delete_methods delete_method);
1449 static	void		dadeletemethodchoose(struct da_softc *softc,
1450 					     da_delete_methods default_method);
1451 static	void		daprobedone(struct cam_periph *periph, union ccb *ccb);
1452 
1453 static	periph_ctor_t	daregister;
1454 static	periph_dtor_t	dacleanup;
1455 static	periph_start_t	dastart;
1456 static	periph_oninv_t	daoninvalidate;
1457 static	void		dazonedone(struct cam_periph *periph, union ccb *ccb);
1458 static	void		dadone(struct cam_periph *periph,
1459 			       union ccb *done_ccb);
1460 static void		dadone_probewp(struct cam_periph *periph,
1461 				       union ccb *done_ccb);
1462 static void		dadone_proberc(struct cam_periph *periph,
1463 				       union ccb *done_ccb);
1464 static void		dadone_probelbp(struct cam_periph *periph,
1465 					union ccb *done_ccb);
1466 static void		dadone_probeblklimits(struct cam_periph *periph,
1467 					      union ccb *done_ccb);
1468 static void		dadone_probebdc(struct cam_periph *periph,
1469 					union ccb *done_ccb);
1470 static void		dadone_probeata(struct cam_periph *periph,
1471 					union ccb *done_ccb);
1472 static void		dadone_probeatalogdir(struct cam_periph *periph,
1473 					      union ccb *done_ccb);
1474 static void		dadone_probeataiddir(struct cam_periph *periph,
1475 					     union ccb *done_ccb);
1476 static void		dadone_probeatasup(struct cam_periph *periph,
1477 					   union ccb *done_ccb);
1478 static void		dadone_probeatazone(struct cam_periph *periph,
1479 					    union ccb *done_ccb);
1480 static void		dadone_probezone(struct cam_periph *periph,
1481 					 union ccb *done_ccb);
1482 static void		dadone_tur(struct cam_periph *periph,
1483 				   union ccb *done_ccb);
1484 static  int		daerror(union ccb *ccb, u_int32_t cam_flags,
1485 				u_int32_t sense_flags);
1486 static void		daprevent(struct cam_periph *periph, int action);
1487 static void		dareprobe(struct cam_periph *periph);
1488 static void		dasetgeom(struct cam_periph *periph, uint32_t block_len,
1489 				  uint64_t maxsector,
1490 				  struct scsi_read_capacity_data_long *rcaplong,
1491 				  size_t rcap_size);
1492 static timeout_t	dasendorderedtag;
1493 static void		dashutdown(void *arg, int howto);
1494 static timeout_t	damediapoll;
1495 
1496 #ifndef	DA_DEFAULT_POLL_PERIOD
1497 #define	DA_DEFAULT_POLL_PERIOD	3
1498 #endif
1499 
1500 #ifndef DA_DEFAULT_TIMEOUT
1501 #define DA_DEFAULT_TIMEOUT 60	/* Timeout in seconds */
1502 #endif
1503 
1504 #ifndef DA_DEFAULT_SOFTTIMEOUT
1505 #define DA_DEFAULT_SOFTTIMEOUT	0
1506 #endif
1507 
1508 #ifndef	DA_DEFAULT_RETRY
1509 #define	DA_DEFAULT_RETRY	4
1510 #endif
1511 
1512 #ifndef	DA_DEFAULT_SEND_ORDERED
1513 #define	DA_DEFAULT_SEND_ORDERED	1
1514 #endif
1515 
1516 static int da_poll_period = DA_DEFAULT_POLL_PERIOD;
1517 static int da_retry_count = DA_DEFAULT_RETRY;
1518 static int da_default_timeout = DA_DEFAULT_TIMEOUT;
1519 static sbintime_t da_default_softtimeout = DA_DEFAULT_SOFTTIMEOUT;
1520 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED;
1521 static int da_disable_wp_detection = 0;
1522 
1523 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
1524             "CAM Direct Access Disk driver");
1525 SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RWTUN,
1526            &da_poll_period, 0, "Media polling period in seconds");
1527 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RWTUN,
1528            &da_retry_count, 0, "Normal I/O retry count");
1529 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RWTUN,
1530            &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
1531 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RWTUN,
1532            &da_send_ordered, 0, "Send Ordered Tags");
1533 SYSCTL_INT(_kern_cam_da, OID_AUTO, disable_wp_detection, CTLFLAG_RWTUN,
1534            &da_disable_wp_detection, 0,
1535 	   "Disable detection of write-protected disks");
1536 
1537 SYSCTL_PROC(_kern_cam_da, OID_AUTO, default_softtimeout,
1538     CTLTYPE_UINT | CTLFLAG_RW, NULL, 0, dasysctlsofttimeout, "I",
1539     "Soft I/O timeout (ms)");
1540 TUNABLE_INT64("kern.cam.da.default_softtimeout", &da_default_softtimeout);
1541 
1542 /*
1543  * DA_ORDEREDTAG_INTERVAL determines how often, relative
1544  * to the default timeout, we check to see whether an ordered
1545  * tagged transaction is appropriate to prevent simple tag
1546  * starvation.  Since we'd like to ensure that there is at least
1547  * 1/2 of the timeout length left for a starved transaction to
1548  * complete after we've sent an ordered tag, we must poll at least
1549  * four times in every timeout period.  This takes care of the worst
1550  * case where a starved transaction starts during an interval that
1551  * meets the requirement "don't send an ordered tag" test so it takes
1552  * us two intervals to determine that a tag must be sent.
1553  */
1554 #ifndef DA_ORDEREDTAG_INTERVAL
1555 #define DA_ORDEREDTAG_INTERVAL 4
1556 #endif
1557 
1558 static struct periph_driver dadriver =
1559 {
1560 	dainit, "da",
1561 	TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
1562 };
1563 
1564 PERIPHDRIVER_DECLARE(da, dadriver);
1565 
1566 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
1567 
1568 /*
1569  * This driver takes out references / holds in well defined pairs, never
1570  * recursively. These macros / inline functions enforce those rules. They
1571  * are only enabled with DA_TRACK_REFS or INVARIANTS. If DA_TRACK_REFS is
1572  * defined to be 2 or larger, the tracking also includes debug printfs.
1573  */
1574 #if defined(DA_TRACK_REFS) || defined(INVARIANTS)
1575 
1576 #ifndef DA_TRACK_REFS
1577 #define DA_TRACK_REFS 1
1578 #endif
1579 
1580 #if DA_TRACK_REFS > 1
1581 static const char *da_ref_text[] = {
1582 	"bogus",
1583 	"open",
1584 	"open hold",
1585 	"close hold",
1586 	"reprobe hold",
1587 	"Test Unit Ready",
1588 	"Geom",
1589 	"sysctl",
1590 	"reprobe",
1591 	"max -- also bogus"
1592 };
1593 
1594 #define DA_PERIPH_PRINT(periph, msg, args...)		\
1595 	CAM_PERIPH_PRINT(periph, msg, ##args)
1596 #else
1597 #define DA_PERIPH_PRINT(periph, msg, args...)
1598 #endif
1599 
1600 static inline void
1601 token_sanity(da_ref_token token)
1602 {
1603 	if ((unsigned)token >= DA_REF_MAX)
1604 		panic("Bad token value passed in %d\n", token);
1605 }
1606 
1607 static inline int
1608 da_periph_hold(struct cam_periph *periph, int priority, da_ref_token token)
1609 {
1610 	int err = cam_periph_hold(periph, priority);
1611 
1612 	token_sanity(token);
1613 	DA_PERIPH_PRINT(periph, "Holding device %s (%d): %d\n",
1614 	    da_ref_text[token], token, err);
1615 	if (err == 0) {
1616 		int cnt;
1617 		struct da_softc *softc = periph->softc;
1618 
1619 		cnt = atomic_fetchadd_int(&softc->ref_flags[token], 1);
1620 		if (cnt != 0)
1621 			panic("Re-holding for reason %d, cnt = %d", token, cnt);
1622 	}
1623 	return (err);
1624 }
1625 
1626 static inline void
1627 da_periph_unhold(struct cam_periph *periph, da_ref_token token)
1628 {
1629 	int cnt;
1630 	struct da_softc *softc = periph->softc;
1631 
1632 	token_sanity(token);
1633 	DA_PERIPH_PRINT(periph, "Unholding device %s (%d)\n",
1634 	    da_ref_text[token], token);
1635 	cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1636 	if (cnt != 1)
1637 		panic("Unholding %d with cnt = %d", token, cnt);
1638 	cam_periph_unhold(periph);
1639 }
1640 
1641 static inline int
1642 da_periph_acquire(struct cam_periph *periph, da_ref_token token)
1643 {
1644 	int err = cam_periph_acquire(periph);
1645 
1646 	token_sanity(token);
1647 	DA_PERIPH_PRINT(periph, "acquiring device %s (%d): %d\n",
1648 	    da_ref_text[token], token, err);
1649 	if (err == 0) {
1650 		int cnt;
1651 		struct da_softc *softc = periph->softc;
1652 
1653 		cnt = atomic_fetchadd_int(&softc->ref_flags[token], 1);
1654 		if (cnt != 0)
1655 			panic("Re-refing for reason %d, cnt = %d", token, cnt);
1656 	}
1657 	return (err);
1658 }
1659 
1660 static inline void
1661 da_periph_release(struct cam_periph *periph, da_ref_token token)
1662 {
1663 	int cnt;
1664 	struct da_softc *softc = periph->softc;
1665 
1666 	token_sanity(token);
1667 	DA_PERIPH_PRINT(periph, "releasing device %s (%d)\n",
1668 	    da_ref_text[token], token);
1669 	cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1670 	if (cnt != 1)
1671 		panic("Releasing %d with cnt = %d", token, cnt);
1672 	cam_periph_release(periph);
1673 }
1674 
1675 static inline void
1676 da_periph_release_locked(struct cam_periph *periph, da_ref_token token)
1677 {
1678 	int cnt;
1679 	struct da_softc *softc = periph->softc;
1680 
1681 	token_sanity(token);
1682 	DA_PERIPH_PRINT(periph, "releasing device (locked) %s (%d)\n",
1683 	    da_ref_text[token], token);
1684 	cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1685 	if (cnt != 1)
1686 		panic("Unholding %d with cnt = %d", token, cnt);
1687 	cam_periph_release_locked(periph);
1688 }
1689 
1690 #define cam_periph_hold POISON
1691 #define cam_periph_unhold POISON
1692 #define cam_periph_acquire POISON
1693 #define cam_periph_release POISON
1694 #define cam_periph_release_locked POISON
1695 
1696 #else
1697 #define	da_periph_hold(periph, prio, token)	cam_periph_hold((periph), (prio))
1698 #define da_periph_unhold(periph, token)		cam_periph_unhold((periph))
1699 #define da_periph_acquire(periph, token)	cam_periph_acquire((periph))
1700 #define da_periph_release(periph, token)	cam_periph_release((periph))
1701 #define da_periph_release_locked(periph, token)	cam_periph_release_locked((periph))
1702 #endif
1703 
1704 static int
1705 daopen(struct disk *dp)
1706 {
1707 	struct cam_periph *periph;
1708 	struct da_softc *softc;
1709 	int error;
1710 
1711 	periph = (struct cam_periph *)dp->d_drv1;
1712 	if (da_periph_acquire(periph, DA_REF_OPEN) != 0) {
1713 		return (ENXIO);
1714 	}
1715 
1716 	cam_periph_lock(periph);
1717 	if ((error = da_periph_hold(periph, PRIBIO|PCATCH, DA_REF_OPEN_HOLD)) != 0) {
1718 		cam_periph_unlock(periph);
1719 		da_periph_release(periph, DA_REF_OPEN);
1720 		return (error);
1721 	}
1722 
1723 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1724 	    ("daopen\n"));
1725 
1726 	softc = (struct da_softc *)periph->softc;
1727 	dareprobe(periph);
1728 
1729 	/* Wait for the disk size update.  */
1730 	error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO,
1731 	    "dareprobe", 0);
1732 	if (error != 0)
1733 		xpt_print(periph->path, "unable to retrieve capacity data\n");
1734 
1735 	if (periph->flags & CAM_PERIPH_INVALID)
1736 		error = ENXIO;
1737 
1738 	if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1739 	    (softc->quirks & DA_Q_NO_PREVENT) == 0)
1740 		daprevent(periph, PR_PREVENT);
1741 
1742 	if (error == 0) {
1743 		softc->flags &= ~DA_FLAG_PACK_INVALID;
1744 		softc->flags |= DA_FLAG_OPEN;
1745 	}
1746 
1747 	da_periph_unhold(periph, DA_REF_OPEN_HOLD);
1748 	cam_periph_unlock(periph);
1749 
1750 	if (error != 0)
1751 		da_periph_release(periph, DA_REF_OPEN);
1752 
1753 	return (error);
1754 }
1755 
1756 static int
1757 daclose(struct disk *dp)
1758 {
1759 	struct	cam_periph *periph;
1760 	struct	da_softc *softc;
1761 	union	ccb *ccb;
1762 
1763 	periph = (struct cam_periph *)dp->d_drv1;
1764 	softc = (struct da_softc *)periph->softc;
1765 	cam_periph_lock(periph);
1766 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1767 	    ("daclose\n"));
1768 
1769 	if (da_periph_hold(periph, PRIBIO, DA_REF_CLOSE_HOLD) == 0) {
1770 
1771 		/* Flush disk cache. */
1772 		if ((softc->flags & DA_FLAG_DIRTY) != 0 &&
1773 		    (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 &&
1774 		    (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
1775 			ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1776 			scsi_synchronize_cache(&ccb->csio, /*retries*/1,
1777 			    /*cbfcnp*/NULL, MSG_SIMPLE_Q_TAG,
1778 			    /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE,
1779 			    5 * 60 * 1000);
1780 			cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
1781 			    /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR,
1782 			    softc->disk->d_devstat);
1783 			softc->flags &= ~DA_FLAG_DIRTY;
1784 			xpt_release_ccb(ccb);
1785 		}
1786 
1787 		/* Allow medium removal. */
1788 		if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1789 		    (softc->quirks & DA_Q_NO_PREVENT) == 0)
1790 			daprevent(periph, PR_ALLOW);
1791 
1792 		da_periph_unhold(periph, DA_REF_CLOSE_HOLD);
1793 	}
1794 
1795 	/*
1796 	 * If we've got removeable media, mark the blocksize as
1797 	 * unavailable, since it could change when new media is
1798 	 * inserted.
1799 	 */
1800 	if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)
1801 		softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1802 
1803 	softc->flags &= ~DA_FLAG_OPEN;
1804 	while (softc->refcount != 0)
1805 		cam_periph_sleep(periph, &softc->refcount, PRIBIO, "daclose", 1);
1806 	cam_periph_unlock(periph);
1807 	da_periph_release(periph, DA_REF_OPEN);
1808 	return (0);
1809 }
1810 
1811 static void
1812 daschedule(struct cam_periph *periph)
1813 {
1814 	struct da_softc *softc = (struct da_softc *)periph->softc;
1815 
1816 	if (softc->state != DA_STATE_NORMAL)
1817 		return;
1818 
1819 	cam_iosched_schedule(softc->cam_iosched, periph);
1820 }
1821 
1822 /*
1823  * Actually translate the requested transfer into one the physical driver
1824  * can understand.  The transfer is described by a buf and will include
1825  * only one physical transfer.
1826  */
1827 static void
1828 dastrategy(struct bio *bp)
1829 {
1830 	struct cam_periph *periph;
1831 	struct da_softc *softc;
1832 
1833 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1834 	softc = (struct da_softc *)periph->softc;
1835 
1836 	cam_periph_lock(periph);
1837 
1838 	/*
1839 	 * If the device has been made invalid, error out
1840 	 */
1841 	if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1842 		cam_periph_unlock(periph);
1843 		biofinish(bp, NULL, ENXIO);
1844 		return;
1845 	}
1846 
1847 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp));
1848 
1849 	/*
1850 	 * Zone commands must be ordered, because they can depend on the
1851 	 * effects of previously issued commands, and they may affect
1852 	 * commands after them.
1853 	 */
1854 	if (bp->bio_cmd == BIO_ZONE)
1855 		bp->bio_flags |= BIO_ORDERED;
1856 
1857 	/*
1858 	 * Place it in the queue of disk activities for this disk
1859 	 */
1860 	cam_iosched_queue_work(softc->cam_iosched, bp);
1861 
1862 	/*
1863 	 * Schedule ourselves for performing the work.
1864 	 */
1865 	daschedule(periph);
1866 	cam_periph_unlock(periph);
1867 
1868 	return;
1869 }
1870 
1871 static int
1872 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1873 {
1874 	struct	    cam_periph *periph;
1875 	struct	    da_softc *softc;
1876 	u_int	    secsize;
1877 	struct	    ccb_scsiio csio;
1878 	struct	    disk *dp;
1879 	int	    error = 0;
1880 
1881 	dp = arg;
1882 	periph = dp->d_drv1;
1883 	softc = (struct da_softc *)periph->softc;
1884 	secsize = softc->params.secsize;
1885 
1886 	if ((softc->flags & DA_FLAG_PACK_INVALID) != 0)
1887 		return (ENXIO);
1888 
1889 	memset(&csio, 0, sizeof(csio));
1890 	if (length > 0) {
1891 		xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1892 		csio.ccb_h.ccb_state = DA_CCB_DUMP;
1893 		scsi_read_write(&csio,
1894 				/*retries*/0,
1895 				/*cbfcnp*/NULL,
1896 				MSG_ORDERED_Q_TAG,
1897 				/*read*/SCSI_RW_WRITE,
1898 				/*byte2*/0,
1899 				/*minimum_cmd_size*/ softc->minimum_cmd_size,
1900 				offset / secsize,
1901 				length / secsize,
1902 				/*data_ptr*/(u_int8_t *) virtual,
1903 				/*dxfer_len*/length,
1904 				/*sense_len*/SSD_FULL_SIZE,
1905 				da_default_timeout * 1000);
1906 		error = cam_periph_runccb((union ccb *)&csio, cam_periph_error,
1907 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1908 		if (error != 0)
1909 			printf("Aborting dump due to I/O error.\n");
1910 		return (error);
1911 	}
1912 
1913 	/*
1914 	 * Sync the disk cache contents to the physical media.
1915 	 */
1916 	if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1917 
1918 		xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1919 		csio.ccb_h.ccb_state = DA_CCB_DUMP;
1920 		scsi_synchronize_cache(&csio,
1921 				       /*retries*/0,
1922 				       /*cbfcnp*/NULL,
1923 				       MSG_SIMPLE_Q_TAG,
1924 				       /*begin_lba*/0,/* Cover the whole disk */
1925 				       /*lb_count*/0,
1926 				       SSD_FULL_SIZE,
1927 				       5 * 1000);
1928 		error = cam_periph_runccb((union ccb *)&csio, cam_periph_error,
1929 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1930 		if (error != 0)
1931 			xpt_print(periph->path, "Synchronize cache failed\n");
1932 	}
1933 	return (error);
1934 }
1935 
1936 static int
1937 dagetattr(struct bio *bp)
1938 {
1939 	int ret;
1940 	struct cam_periph *periph;
1941 
1942 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1943 	cam_periph_lock(periph);
1944 	ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1945 	    periph->path);
1946 	cam_periph_unlock(periph);
1947 	if (ret == 0)
1948 		bp->bio_completed = bp->bio_length;
1949 	return ret;
1950 }
1951 
1952 static void
1953 dainit(void)
1954 {
1955 	cam_status status;
1956 
1957 	/*
1958 	 * Install a global async callback.  This callback will
1959 	 * receive async callbacks like "new device found".
1960 	 */
1961 	status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
1962 
1963 	if (status != CAM_REQ_CMP) {
1964 		printf("da: Failed to attach master async callback "
1965 		       "due to status 0x%x!\n", status);
1966 	} else if (da_send_ordered) {
1967 
1968 		/* Register our shutdown event handler */
1969 		if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
1970 					   NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1971 		    printf("dainit: shutdown event registration failed!\n");
1972 	}
1973 }
1974 
1975 /*
1976  * Callback from GEOM, called when it has finished cleaning up its
1977  * resources.
1978  */
1979 static void
1980 dadiskgonecb(struct disk *dp)
1981 {
1982 	struct cam_periph *periph;
1983 
1984 	periph = (struct cam_periph *)dp->d_drv1;
1985 	da_periph_release(periph, DA_REF_GEOM);
1986 }
1987 
1988 static void
1989 daoninvalidate(struct cam_periph *periph)
1990 {
1991 	struct da_softc *softc;
1992 
1993 	cam_periph_assert(periph, MA_OWNED);
1994 	softc = (struct da_softc *)periph->softc;
1995 
1996 	/*
1997 	 * De-register any async callbacks.
1998 	 */
1999 	xpt_register_async(0, daasync, periph, periph->path);
2000 
2001 	softc->flags |= DA_FLAG_PACK_INVALID;
2002 #ifdef CAM_IO_STATS
2003 	softc->invalidations++;
2004 #endif
2005 
2006 	/*
2007 	 * Return all queued I/O with ENXIO.
2008 	 * XXX Handle any transactions queued to the card
2009 	 *     with XPT_ABORT_CCB.
2010 	 */
2011 	cam_iosched_flush(softc->cam_iosched, NULL, ENXIO);
2012 
2013 	/*
2014 	 * Tell GEOM that we've gone away, we'll get a callback when it is
2015 	 * done cleaning up its resources.
2016 	 */
2017 	disk_gone(softc->disk);
2018 }
2019 
2020 static void
2021 dacleanup(struct cam_periph *periph)
2022 {
2023 	struct da_softc *softc;
2024 
2025 	softc = (struct da_softc *)periph->softc;
2026 
2027 	cam_periph_unlock(periph);
2028 
2029 	cam_iosched_fini(softc->cam_iosched);
2030 
2031 	/*
2032 	 * If we can't free the sysctl tree, oh well...
2033 	 */
2034 	if ((softc->flags & DA_FLAG_SCTX_INIT) != 0) {
2035 #ifdef CAM_IO_STATS
2036 		if (sysctl_ctx_free(&softc->sysctl_stats_ctx) != 0)
2037 			xpt_print(periph->path,
2038 			    "can't remove sysctl stats context\n");
2039 #endif
2040 		if (sysctl_ctx_free(&softc->sysctl_ctx) != 0)
2041 			xpt_print(periph->path,
2042 			    "can't remove sysctl context\n");
2043 	}
2044 
2045 	callout_drain(&softc->mediapoll_c);
2046 	disk_destroy(softc->disk);
2047 	callout_drain(&softc->sendordered_c);
2048 	free(softc, M_DEVBUF);
2049 	cam_periph_lock(periph);
2050 }
2051 
2052 static void
2053 daasync(void *callback_arg, u_int32_t code,
2054 	struct cam_path *path, void *arg)
2055 {
2056 	struct cam_periph *periph;
2057 	struct da_softc *softc;
2058 
2059 	periph = (struct cam_periph *)callback_arg;
2060 	switch (code) {
2061 	case AC_FOUND_DEVICE:	/* callback to create periph, no locking yet */
2062 	{
2063 		struct ccb_getdev *cgd;
2064 		cam_status status;
2065 
2066 		cgd = (struct ccb_getdev *)arg;
2067 		if (cgd == NULL)
2068 			break;
2069 
2070 		if (cgd->protocol != PROTO_SCSI)
2071 			break;
2072 		if (SID_QUAL(&cgd->inq_data) != SID_QUAL_LU_CONNECTED)
2073 			break;
2074 		if (SID_TYPE(&cgd->inq_data) != T_DIRECT
2075 		    && SID_TYPE(&cgd->inq_data) != T_RBC
2076 		    && SID_TYPE(&cgd->inq_data) != T_OPTICAL
2077 		    && SID_TYPE(&cgd->inq_data) != T_ZBC_HM)
2078 			break;
2079 
2080 		/*
2081 		 * Allocate a peripheral instance for
2082 		 * this device and start the probe
2083 		 * process.
2084 		 */
2085 		status = cam_periph_alloc(daregister, daoninvalidate,
2086 					  dacleanup, dastart,
2087 					  "da", CAM_PERIPH_BIO,
2088 					  path, daasync,
2089 					  AC_FOUND_DEVICE, cgd);
2090 
2091 		if (status != CAM_REQ_CMP
2092 		 && status != CAM_REQ_INPROG)
2093 			printf("daasync: Unable to attach to new device "
2094 				"due to status 0x%x\n", status);
2095 		return;
2096 	}
2097 	case AC_ADVINFO_CHANGED:	/* Doesn't touch periph */
2098 	{
2099 		uintptr_t buftype;
2100 
2101 		buftype = (uintptr_t)arg;
2102 		if (buftype == CDAI_TYPE_PHYS_PATH) {
2103 			struct da_softc *softc;
2104 
2105 			softc = periph->softc;
2106 			disk_attr_changed(softc->disk, "GEOM::physpath",
2107 					  M_NOWAIT);
2108 		}
2109 		break;
2110 	}
2111 	case AC_UNIT_ATTENTION:
2112 	{
2113 		union ccb *ccb;
2114 		int error_code, sense_key, asc, ascq;
2115 
2116 		softc = (struct da_softc *)periph->softc;
2117 		ccb = (union ccb *)arg;
2118 
2119 		/*
2120 		 * Handle all UNIT ATTENTIONs except our own, as they will be
2121 		 * handled by daerror(). Since this comes from a different periph,
2122 		 * that periph's lock is held, not ours, so we have to take it ours
2123 		 * out to touch softc flags.
2124 		 */
2125 		if (xpt_path_periph(ccb->ccb_h.path) != periph &&
2126 		    scsi_extract_sense_ccb(ccb,
2127 		     &error_code, &sense_key, &asc, &ascq)) {
2128 			if (asc == 0x2A && ascq == 0x09) {
2129 				xpt_print(ccb->ccb_h.path,
2130 				    "Capacity data has changed\n");
2131 				cam_periph_lock(periph);
2132 				softc->flags &= ~DA_FLAG_PROBED;
2133 				cam_periph_unlock(periph);
2134 				dareprobe(periph);
2135 			} else if (asc == 0x28 && ascq == 0x00) {
2136 				cam_periph_lock(periph);
2137 				softc->flags &= ~DA_FLAG_PROBED;
2138 				cam_periph_unlock(periph);
2139 				disk_media_changed(softc->disk, M_NOWAIT);
2140 			} else if (asc == 0x3F && ascq == 0x03) {
2141 				xpt_print(ccb->ccb_h.path,
2142 				    "INQUIRY data has changed\n");
2143 				cam_periph_lock(periph);
2144 				softc->flags &= ~DA_FLAG_PROBED;
2145 				cam_periph_unlock(periph);
2146 				dareprobe(periph);
2147 			}
2148 		}
2149 		break;
2150 	}
2151 	case AC_SCSI_AEN:		/* Called for this path: periph locked */
2152 		/*
2153 		 * Appears to be currently unused for SCSI devices, only ata SIMs
2154 		 * generate this.
2155 		 */
2156 		cam_periph_assert(periph, MA_OWNED);
2157 		softc = (struct da_softc *)periph->softc;
2158 		if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR) &&
2159 		    (softc->flags & DA_FLAG_TUR_PENDING) == 0) {
2160 			if (da_periph_acquire(periph, DA_REF_TUR) == 0) {
2161 				cam_iosched_set_work_flags(softc->cam_iosched, DA_WORK_TUR);
2162 				daschedule(periph);
2163 			}
2164 		}
2165 		/* FALLTHROUGH */
2166 	case AC_SENT_BDR:		/* Called for this path: periph locked */
2167 	case AC_BUS_RESET:		/* Called for this path: periph locked */
2168 	{
2169 		struct ccb_hdr *ccbh;
2170 
2171 		cam_periph_assert(periph, MA_OWNED);
2172 		softc = (struct da_softc *)periph->softc;
2173 		/*
2174 		 * Don't fail on the expected unit attention
2175 		 * that will occur.
2176 		 */
2177 		softc->flags |= DA_FLAG_RETRY_UA;
2178 		LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
2179 			ccbh->ccb_state |= DA_CCB_RETRY_UA;
2180 		break;
2181 	}
2182 	case AC_INQ_CHANGED:		/* Called for this path: periph locked */
2183 		cam_periph_assert(periph, MA_OWNED);
2184 		softc = (struct da_softc *)periph->softc;
2185 		softc->flags &= ~DA_FLAG_PROBED;
2186 		dareprobe(periph);
2187 		break;
2188 	default:
2189 		break;
2190 	}
2191 	cam_periph_async(periph, code, path, arg);
2192 }
2193 
2194 static void
2195 dasysctlinit(void *context, int pending)
2196 {
2197 	struct cam_periph *periph;
2198 	struct da_softc *softc;
2199 	char tmpstr[32], tmpstr2[16];
2200 	struct ccb_trans_settings cts;
2201 
2202 	periph = (struct cam_periph *)context;
2203 	/*
2204 	 * periph was held for us when this task was enqueued
2205 	 */
2206 	if (periph->flags & CAM_PERIPH_INVALID) {
2207 		da_periph_release(periph, DA_REF_SYSCTL);
2208 		return;
2209 	}
2210 
2211 	softc = (struct da_softc *)periph->softc;
2212 	snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
2213 	snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
2214 
2215 	sysctl_ctx_init(&softc->sysctl_ctx);
2216 	cam_periph_lock(periph);
2217 	softc->flags |= DA_FLAG_SCTX_INIT;
2218 	cam_periph_unlock(periph);
2219 	softc->sysctl_tree = SYSCTL_ADD_NODE_WITH_LABEL(&softc->sysctl_ctx,
2220 		SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
2221 		CTLFLAG_RD, 0, tmpstr, "device_index");
2222 	if (softc->sysctl_tree == NULL) {
2223 		printf("dasysctlinit: unable to allocate sysctl tree\n");
2224 		da_periph_release(periph, DA_REF_SYSCTL);
2225 		return;
2226 	}
2227 
2228 	/*
2229 	 * Now register the sysctl handler, so the user can change the value on
2230 	 * the fly.
2231 	 */
2232 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2233 		OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RWTUN,
2234 		softc, 0, dadeletemethodsysctl, "A",
2235 		"BIO_DELETE execution method");
2236 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2237 		OID_AUTO, "delete_max", CTLTYPE_U64 | CTLFLAG_RW,
2238 		softc, 0, dadeletemaxsysctl, "Q",
2239 		"Maximum BIO_DELETE size");
2240 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2241 		OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
2242 		&softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
2243 		"Minimum CDB size");
2244 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2245 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2246 		"trim_count", CTLFLAG_RD, &softc->trim_count,
2247 		"Total number of unmap/dsm commands sent");
2248 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2249 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2250 		"trim_ranges", CTLFLAG_RD, &softc->trim_ranges,
2251 		"Total number of ranges in unmap/dsm commands");
2252 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2253 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2254 		"trim_lbas", CTLFLAG_RD, &softc->trim_lbas,
2255 		"Total lbas in the unmap/dsm commands sent");
2256 
2257 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2258 		OID_AUTO, "zone_mode", CTLTYPE_STRING | CTLFLAG_RD,
2259 		softc, 0, dazonemodesysctl, "A",
2260 		"Zone Mode");
2261 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2262 		OID_AUTO, "zone_support", CTLTYPE_STRING | CTLFLAG_RD,
2263 		softc, 0, dazonesupsysctl, "A",
2264 		"Zone Support");
2265 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2266 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2267 		"optimal_seq_zones", CTLFLAG_RD, &softc->optimal_seq_zones,
2268 		"Optimal Number of Open Sequential Write Preferred Zones");
2269 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2270 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2271 		"optimal_nonseq_zones", CTLFLAG_RD,
2272 		&softc->optimal_nonseq_zones,
2273 		"Optimal Number of Non-Sequentially Written Sequential Write "
2274 		"Preferred Zones");
2275 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2276 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2277 		"max_seq_zones", CTLFLAG_RD, &softc->max_seq_zones,
2278 		"Maximum Number of Open Sequential Write Required Zones");
2279 
2280 	SYSCTL_ADD_INT(&softc->sysctl_ctx,
2281 		       SYSCTL_CHILDREN(softc->sysctl_tree),
2282 		       OID_AUTO,
2283 		       "error_inject",
2284 		       CTLFLAG_RW,
2285 		       &softc->error_inject,
2286 		       0,
2287 		       "error_inject leaf");
2288 
2289 	SYSCTL_ADD_INT(&softc->sysctl_ctx,
2290 		       SYSCTL_CHILDREN(softc->sysctl_tree),
2291 		       OID_AUTO,
2292 		       "unmapped_io",
2293 		       CTLFLAG_RD,
2294 		       &softc->unmappedio,
2295 		       0,
2296 		       "Unmapped I/O support");
2297 
2298 	SYSCTL_ADD_INT(&softc->sysctl_ctx,
2299 		       SYSCTL_CHILDREN(softc->sysctl_tree),
2300 		       OID_AUTO,
2301 		       "rotating",
2302 		       CTLFLAG_RD,
2303 		       &softc->rotating,
2304 		       0,
2305 		       "Rotating media");
2306 
2307 	SYSCTL_ADD_INT(&softc->sysctl_ctx,
2308 		       SYSCTL_CHILDREN(softc->sysctl_tree),
2309 		       OID_AUTO,
2310 		       "p_type",
2311 		       CTLFLAG_RD,
2312 		       &softc->p_type,
2313 		       0,
2314 		       "DIF protection type");
2315 
2316 #ifdef CAM_TEST_FAILURE
2317 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2318 		OID_AUTO, "invalidate", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE,
2319 		periph, 0, cam_periph_invalidate_sysctl, "I",
2320 		"Write 1 to invalidate the drive immediately");
2321 #endif
2322 
2323 	/*
2324 	 * Add some addressing info.
2325 	 */
2326 	memset(&cts, 0, sizeof (cts));
2327 	xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
2328 	cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
2329 	cts.type = CTS_TYPE_CURRENT_SETTINGS;
2330 	cam_periph_lock(periph);
2331 	xpt_action((union ccb *)&cts);
2332 	cam_periph_unlock(periph);
2333 	if (cts.ccb_h.status != CAM_REQ_CMP) {
2334 		da_periph_release(periph, DA_REF_SYSCTL);
2335 		return;
2336 	}
2337 	if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) {
2338 		struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc;
2339 		if (fc->valid & CTS_FC_VALID_WWPN) {
2340 			softc->wwpn = fc->wwpn;
2341 			SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2342 			    SYSCTL_CHILDREN(softc->sysctl_tree),
2343 			    OID_AUTO, "wwpn", CTLFLAG_RD,
2344 			    &softc->wwpn, "World Wide Port Name");
2345 		}
2346 	}
2347 
2348 #ifdef CAM_IO_STATS
2349 	/*
2350 	 * Now add some useful stats.
2351 	 * XXX These should live in cam_periph and be common to all periphs
2352 	 */
2353 	softc->sysctl_stats_tree = SYSCTL_ADD_NODE(&softc->sysctl_stats_ctx,
2354 	    SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "stats",
2355 	    CTLFLAG_RD, 0, "Statistics");
2356 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2357 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2358 		       OID_AUTO,
2359 		       "errors",
2360 		       CTLFLAG_RD,
2361 		       &softc->errors,
2362 		       0,
2363 		       "Transport errors reported by the SIM");
2364 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2365 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2366 		       OID_AUTO,
2367 		       "timeouts",
2368 		       CTLFLAG_RD,
2369 		       &softc->timeouts,
2370 		       0,
2371 		       "Device timeouts reported by the SIM");
2372 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2373 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2374 		       OID_AUTO,
2375 		       "pack_invalidations",
2376 		       CTLFLAG_RD,
2377 		       &softc->invalidations,
2378 		       0,
2379 		       "Device pack invalidations");
2380 #endif
2381 
2382 	cam_iosched_sysctl_init(softc->cam_iosched, &softc->sysctl_ctx,
2383 	    softc->sysctl_tree);
2384 
2385 	da_periph_release(periph, DA_REF_SYSCTL);
2386 }
2387 
2388 static int
2389 dadeletemaxsysctl(SYSCTL_HANDLER_ARGS)
2390 {
2391 	int error;
2392 	uint64_t value;
2393 	struct da_softc *softc;
2394 
2395 	softc = (struct da_softc *)arg1;
2396 
2397 	value = softc->disk->d_delmaxsize;
2398 	error = sysctl_handle_64(oidp, &value, 0, req);
2399 	if ((error != 0) || (req->newptr == NULL))
2400 		return (error);
2401 
2402 	/* only accept values smaller than the calculated value */
2403 	if (value > dadeletemaxsize(softc, softc->delete_method)) {
2404 		return (EINVAL);
2405 	}
2406 	softc->disk->d_delmaxsize = value;
2407 
2408 	return (0);
2409 }
2410 
2411 static int
2412 dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
2413 {
2414 	int error, value;
2415 
2416 	value = *(int *)arg1;
2417 
2418 	error = sysctl_handle_int(oidp, &value, 0, req);
2419 
2420 	if ((error != 0)
2421 	 || (req->newptr == NULL))
2422 		return (error);
2423 
2424 	/*
2425 	 * Acceptable values here are 6, 10, 12 or 16.
2426 	 */
2427 	if (value < 6)
2428 		value = 6;
2429 	else if ((value > 6)
2430 	      && (value <= 10))
2431 		value = 10;
2432 	else if ((value > 10)
2433 	      && (value <= 12))
2434 		value = 12;
2435 	else if (value > 12)
2436 		value = 16;
2437 
2438 	*(int *)arg1 = value;
2439 
2440 	return (0);
2441 }
2442 
2443 static int
2444 dasysctlsofttimeout(SYSCTL_HANDLER_ARGS)
2445 {
2446 	sbintime_t value;
2447 	int error;
2448 
2449 	value = da_default_softtimeout / SBT_1MS;
2450 
2451 	error = sysctl_handle_int(oidp, (int *)&value, 0, req);
2452 	if ((error != 0) || (req->newptr == NULL))
2453 		return (error);
2454 
2455 	/* XXX Should clip this to a reasonable level */
2456 	if (value > da_default_timeout * 1000)
2457 		return (EINVAL);
2458 
2459 	da_default_softtimeout = value * SBT_1MS;
2460 	return (0);
2461 }
2462 
2463 static void
2464 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method)
2465 {
2466 
2467 	softc->delete_method = delete_method;
2468 	softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method);
2469 	softc->delete_func = da_delete_functions[delete_method];
2470 
2471 	if (softc->delete_method > DA_DELETE_DISABLE)
2472 		softc->disk->d_flags |= DISKFLAG_CANDELETE;
2473 	else
2474 		softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
2475 }
2476 
2477 static off_t
2478 dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method)
2479 {
2480 	off_t sectors;
2481 
2482 	switch(delete_method) {
2483 	case DA_DELETE_UNMAP:
2484 		sectors = (off_t)softc->unmap_max_lba;
2485 		break;
2486 	case DA_DELETE_ATA_TRIM:
2487 		sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
2488 		break;
2489 	case DA_DELETE_WS16:
2490 		sectors = omin(softc->ws_max_blks, WS16_MAX_BLKS);
2491 		break;
2492 	case DA_DELETE_ZERO:
2493 	case DA_DELETE_WS10:
2494 		sectors = omin(softc->ws_max_blks, WS10_MAX_BLKS);
2495 		break;
2496 	default:
2497 		return 0;
2498 	}
2499 
2500 	return (off_t)softc->params.secsize *
2501 	    omin(sectors, softc->params.sectors);
2502 }
2503 
2504 static void
2505 daprobedone(struct cam_periph *periph, union ccb *ccb)
2506 {
2507 	struct da_softc *softc;
2508 
2509 	softc = (struct da_softc *)periph->softc;
2510 
2511 	cam_periph_assert(periph, MA_OWNED);
2512 
2513 	dadeletemethodchoose(softc, DA_DELETE_NONE);
2514 
2515 	if (bootverbose && (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2516 		char buf[80];
2517 		int i, sep;
2518 
2519 		snprintf(buf, sizeof(buf), "Delete methods: <");
2520 		sep = 0;
2521 		for (i = 0; i <= DA_DELETE_MAX; i++) {
2522 			if ((softc->delete_available & (1 << i)) == 0 &&
2523 			    i != softc->delete_method)
2524 				continue;
2525 			if (sep)
2526 				strlcat(buf, ",", sizeof(buf));
2527 			strlcat(buf, da_delete_method_names[i],
2528 			    sizeof(buf));
2529 			if (i == softc->delete_method)
2530 				strlcat(buf, "(*)", sizeof(buf));
2531 			sep = 1;
2532 		}
2533 		strlcat(buf, ">", sizeof(buf));
2534 		printf("%s%d: %s\n", periph->periph_name,
2535 		    periph->unit_number, buf);
2536 	}
2537 	if ((softc->disk->d_flags & DISKFLAG_WRITE_PROTECT) != 0 &&
2538 	    (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2539 		printf("%s%d: Write Protected\n", periph->periph_name,
2540 		    periph->unit_number);
2541 	}
2542 
2543 	/*
2544 	 * Since our peripheral may be invalidated by an error
2545 	 * above or an external event, we must release our CCB
2546 	 * before releasing the probe lock on the peripheral.
2547 	 * The peripheral will only go away once the last lock
2548 	 * is removed, and we need it around for the CCB release
2549 	 * operation.
2550 	 */
2551 	xpt_release_ccb(ccb);
2552 	softc->state = DA_STATE_NORMAL;
2553 	softc->flags |= DA_FLAG_PROBED;
2554 	daschedule(periph);
2555 	wakeup(&softc->disk->d_mediasize);
2556 	if ((softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2557 		softc->flags |= DA_FLAG_ANNOUNCED;
2558 		da_periph_unhold(periph, DA_REF_PROBE_HOLD);
2559 	} else
2560 		da_periph_release_locked(periph, DA_REF_REPROBE);
2561 }
2562 
2563 static void
2564 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method)
2565 {
2566 	int i, methods;
2567 
2568 	/* If available, prefer the method requested by user. */
2569 	i = softc->delete_method_pref;
2570 	methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
2571 	if (methods & (1 << i)) {
2572 		dadeletemethodset(softc, i);
2573 		return;
2574 	}
2575 
2576 	/* Use the pre-defined order to choose the best performing delete. */
2577 	for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
2578 		if (i == DA_DELETE_ZERO)
2579 			continue;
2580 		if (softc->delete_available & (1 << i)) {
2581 			dadeletemethodset(softc, i);
2582 			return;
2583 		}
2584 	}
2585 
2586 	/* Fallback to default. */
2587 	dadeletemethodset(softc, default_method);
2588 }
2589 
2590 static int
2591 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
2592 {
2593 	char buf[16];
2594 	const char *p;
2595 	struct da_softc *softc;
2596 	int i, error, value;
2597 
2598 	softc = (struct da_softc *)arg1;
2599 
2600 	value = softc->delete_method;
2601 	if (value < 0 || value > DA_DELETE_MAX)
2602 		p = "UNKNOWN";
2603 	else
2604 		p = da_delete_method_names[value];
2605 	strncpy(buf, p, sizeof(buf));
2606 	error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
2607 	if (error != 0 || req->newptr == NULL)
2608 		return (error);
2609 	for (i = 0; i <= DA_DELETE_MAX; i++) {
2610 		if (strcmp(buf, da_delete_method_names[i]) == 0)
2611 			break;
2612 	}
2613 	if (i > DA_DELETE_MAX)
2614 		return (EINVAL);
2615 	softc->delete_method_pref = i;
2616 	dadeletemethodchoose(softc, DA_DELETE_NONE);
2617 	return (0);
2618 }
2619 
2620 static int
2621 dazonemodesysctl(SYSCTL_HANDLER_ARGS)
2622 {
2623 	char tmpbuf[40];
2624 	struct da_softc *softc;
2625 	int error;
2626 
2627 	softc = (struct da_softc *)arg1;
2628 
2629 	switch (softc->zone_mode) {
2630 	case DA_ZONE_DRIVE_MANAGED:
2631 		snprintf(tmpbuf, sizeof(tmpbuf), "Drive Managed");
2632 		break;
2633 	case DA_ZONE_HOST_AWARE:
2634 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Aware");
2635 		break;
2636 	case DA_ZONE_HOST_MANAGED:
2637 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Managed");
2638 		break;
2639 	case DA_ZONE_NONE:
2640 	default:
2641 		snprintf(tmpbuf, sizeof(tmpbuf), "Not Zoned");
2642 		break;
2643 	}
2644 
2645 	error = sysctl_handle_string(oidp, tmpbuf, sizeof(tmpbuf), req);
2646 
2647 	return (error);
2648 }
2649 
2650 static int
2651 dazonesupsysctl(SYSCTL_HANDLER_ARGS)
2652 {
2653 	char tmpbuf[180];
2654 	struct da_softc *softc;
2655 	struct sbuf sb;
2656 	int error, first;
2657 	unsigned int i;
2658 
2659 	softc = (struct da_softc *)arg1;
2660 
2661 	error = 0;
2662 	first = 1;
2663 	sbuf_new(&sb, tmpbuf, sizeof(tmpbuf), 0);
2664 
2665 	for (i = 0; i < sizeof(da_zone_desc_table) /
2666 	     sizeof(da_zone_desc_table[0]); i++) {
2667 		if (softc->zone_flags & da_zone_desc_table[i].value) {
2668 			if (first == 0)
2669 				sbuf_printf(&sb, ", ");
2670 			else
2671 				first = 0;
2672 			sbuf_cat(&sb, da_zone_desc_table[i].desc);
2673 		}
2674 	}
2675 
2676 	if (first == 1)
2677 		sbuf_printf(&sb, "None");
2678 
2679 	sbuf_finish(&sb);
2680 
2681 	error = sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
2682 
2683 	return (error);
2684 }
2685 
2686 static cam_status
2687 daregister(struct cam_periph *periph, void *arg)
2688 {
2689 	struct da_softc *softc;
2690 	struct ccb_pathinq cpi;
2691 	struct ccb_getdev *cgd;
2692 	char tmpstr[80];
2693 	caddr_t match;
2694 
2695 	cgd = (struct ccb_getdev *)arg;
2696 	if (cgd == NULL) {
2697 		printf("daregister: no getdev CCB, can't register device\n");
2698 		return(CAM_REQ_CMP_ERR);
2699 	}
2700 
2701 	softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
2702 	    M_NOWAIT|M_ZERO);
2703 
2704 	if (softc == NULL) {
2705 		printf("daregister: Unable to probe new device. "
2706 		       "Unable to allocate softc\n");
2707 		return(CAM_REQ_CMP_ERR);
2708 	}
2709 
2710 	if (cam_iosched_init(&softc->cam_iosched, periph) != 0) {
2711 		printf("daregister: Unable to probe new device. "
2712 		       "Unable to allocate iosched memory\n");
2713 		free(softc, M_DEVBUF);
2714 		return(CAM_REQ_CMP_ERR);
2715 	}
2716 
2717 	LIST_INIT(&softc->pending_ccbs);
2718 	softc->state = DA_STATE_PROBE_WP;
2719 	bioq_init(&softc->delete_run_queue);
2720 	if (SID_IS_REMOVABLE(&cgd->inq_data))
2721 		softc->flags |= DA_FLAG_PACK_REMOVABLE;
2722 	softc->unmap_max_ranges = UNMAP_MAX_RANGES;
2723 	softc->unmap_max_lba = UNMAP_RANGE_MAX;
2724 	softc->unmap_gran = 0;
2725 	softc->unmap_gran_align = 0;
2726 	softc->ws_max_blks = WS16_MAX_BLKS;
2727 	softc->trim_max_ranges = ATA_TRIM_MAX_RANGES;
2728 	softc->rotating = 1;
2729 
2730 	periph->softc = softc;
2731 
2732 	/*
2733 	 * See if this device has any quirks.
2734 	 */
2735 	match = cam_quirkmatch((caddr_t)&cgd->inq_data,
2736 			       (caddr_t)da_quirk_table,
2737 			       nitems(da_quirk_table),
2738 			       sizeof(*da_quirk_table), scsi_inquiry_match);
2739 
2740 	if (match != NULL)
2741 		softc->quirks = ((struct da_quirk_entry *)match)->quirks;
2742 	else
2743 		softc->quirks = DA_Q_NONE;
2744 
2745 	/* Check if the SIM does not want 6 byte commands */
2746 	xpt_path_inq(&cpi, periph->path);
2747 	if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
2748 		softc->quirks |= DA_Q_NO_6_BYTE;
2749 
2750 	if (SID_TYPE(&cgd->inq_data) == T_ZBC_HM)
2751 		softc->zone_mode = DA_ZONE_HOST_MANAGED;
2752 	else if (softc->quirks & DA_Q_SMR_DM)
2753 		softc->zone_mode = DA_ZONE_DRIVE_MANAGED;
2754 	else
2755 		softc->zone_mode = DA_ZONE_NONE;
2756 
2757 	if (softc->zone_mode != DA_ZONE_NONE) {
2758 		if (scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
2759 			if (scsi_vpd_supported_page(periph, SVPD_ZONED_BDC))
2760 				softc->zone_interface = DA_ZONE_IF_ATA_SAT;
2761 			else
2762 				softc->zone_interface = DA_ZONE_IF_ATA_PASS;
2763 		} else
2764 			softc->zone_interface = DA_ZONE_IF_SCSI;
2765 	}
2766 
2767 	TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
2768 
2769 	/*
2770 	 * Take an exclusive section lock qon the periph while dastart is called
2771 	 * to finish the probe.  The lock will be dropped in dadone at the end
2772 	 * of probe. This locks out daopen and daclose from racing with the
2773 	 * probe.
2774 	 *
2775 	 * XXX if cam_periph_hold returns an error, we don't hold a refcount.
2776 	 */
2777 	(void)da_periph_hold(periph, PRIBIO, DA_REF_PROBE_HOLD);
2778 
2779 	/*
2780 	 * Schedule a periodic event to occasionally send an
2781 	 * ordered tag to a device.
2782 	 */
2783 	callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
2784 	callout_reset(&softc->sendordered_c,
2785 	    (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
2786 	    dasendorderedtag, periph);
2787 
2788 	cam_periph_unlock(periph);
2789 	/*
2790 	 * RBC devices don't have to support READ(6), only READ(10).
2791 	 */
2792 	if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
2793 		softc->minimum_cmd_size = 10;
2794 	else
2795 		softc->minimum_cmd_size = 6;
2796 
2797 	/*
2798 	 * Load the user's default, if any.
2799 	 */
2800 	snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
2801 		 periph->unit_number);
2802 	TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
2803 
2804 	/*
2805 	 * 6, 10, 12 and 16 are the currently permissible values.
2806 	 */
2807 	if (softc->minimum_cmd_size > 12)
2808 		softc->minimum_cmd_size = 16;
2809 	else if (softc->minimum_cmd_size > 10)
2810 		softc->minimum_cmd_size = 12;
2811 	else if (softc->minimum_cmd_size > 6)
2812 		softc->minimum_cmd_size = 10;
2813 	else
2814 		softc->minimum_cmd_size = 6;
2815 
2816 	/* Predict whether device may support READ CAPACITY(16). */
2817 	if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 &&
2818 	    (softc->quirks & DA_Q_NO_RC16) == 0) {
2819 		softc->flags |= DA_FLAG_CAN_RC16;
2820 	}
2821 
2822 	/*
2823 	 * Register this media as a disk.
2824 	 */
2825 	softc->disk = disk_alloc();
2826 	softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
2827 			  periph->unit_number, 0,
2828 			  DEVSTAT_BS_UNAVAILABLE,
2829 			  SID_TYPE(&cgd->inq_data) |
2830 			  XPORT_DEVSTAT_TYPE(cpi.transport),
2831 			  DEVSTAT_PRIORITY_DISK);
2832 	softc->disk->d_open = daopen;
2833 	softc->disk->d_close = daclose;
2834 	softc->disk->d_strategy = dastrategy;
2835 	softc->disk->d_dump = dadump;
2836 	softc->disk->d_getattr = dagetattr;
2837 	softc->disk->d_gone = dadiskgonecb;
2838 	softc->disk->d_name = "da";
2839 	softc->disk->d_drv1 = periph;
2840 	if (cpi.maxio == 0)
2841 		softc->maxio = DFLTPHYS;	/* traditional default */
2842 	else if (cpi.maxio > MAXPHYS)
2843 		softc->maxio = MAXPHYS;		/* for safety */
2844 	else
2845 		softc->maxio = cpi.maxio;
2846 	if (softc->quirks & DA_Q_128KB)
2847 		softc->maxio = min(softc->maxio, 128 * 1024);
2848 	softc->disk->d_maxsize = softc->maxio;
2849 	softc->disk->d_unit = periph->unit_number;
2850 	softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION | DISKFLAG_CANZONE;
2851 	if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
2852 		softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
2853 	if ((cpi.hba_misc & PIM_UNMAPPED) != 0) {
2854 		softc->unmappedio = 1;
2855 		softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
2856 	}
2857 	cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
2858 	    sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
2859 	strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
2860 	cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
2861 	    cgd->inq_data.product, sizeof(cgd->inq_data.product),
2862 	    sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
2863 	softc->disk->d_hba_vendor = cpi.hba_vendor;
2864 	softc->disk->d_hba_device = cpi.hba_device;
2865 	softc->disk->d_hba_subvendor = cpi.hba_subvendor;
2866 	softc->disk->d_hba_subdevice = cpi.hba_subdevice;
2867 
2868 	/*
2869 	 * Acquire a reference to the periph before we register with GEOM.
2870 	 * We'll release this reference once GEOM calls us back (via
2871 	 * dadiskgonecb()) telling us that our provider has been freed.
2872 	 */
2873 	if (da_periph_acquire(periph, DA_REF_GEOM) != 0) {
2874 		xpt_print(periph->path, "%s: lost periph during "
2875 			  "registration!\n", __func__);
2876 		cam_periph_lock(periph);
2877 		return (CAM_REQ_CMP_ERR);
2878 	}
2879 
2880 	disk_create(softc->disk, DISK_VERSION);
2881 	cam_periph_lock(periph);
2882 
2883 	/*
2884 	 * Add async callbacks for events of interest.
2885 	 * I don't bother checking if this fails as,
2886 	 * in most cases, the system will function just
2887 	 * fine without them and the only alternative
2888 	 * would be to not attach the device on failure.
2889 	 */
2890 	xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
2891 	    AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION |
2892 	    AC_INQ_CHANGED, daasync, periph, periph->path);
2893 
2894 	/*
2895 	 * Emit an attribute changed notification just in case
2896 	 * physical path information arrived before our async
2897 	 * event handler was registered, but after anyone attaching
2898 	 * to our disk device polled it.
2899 	 */
2900 	disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT);
2901 
2902 	/*
2903 	 * Schedule a periodic media polling events.
2904 	 */
2905 	callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0);
2906 	if ((softc->flags & DA_FLAG_PACK_REMOVABLE) &&
2907 	    (cgd->inq_flags & SID_AEN) == 0 &&
2908 	    da_poll_period != 0)
2909 		callout_reset(&softc->mediapoll_c, da_poll_period * hz,
2910 		    damediapoll, periph);
2911 
2912 	xpt_schedule(periph, CAM_PRIORITY_DEV);
2913 
2914 	return(CAM_REQ_CMP);
2915 }
2916 
2917 static int
2918 da_zone_bio_to_scsi(int disk_zone_cmd)
2919 {
2920 	switch (disk_zone_cmd) {
2921 	case DISK_ZONE_OPEN:
2922 		return ZBC_OUT_SA_OPEN;
2923 	case DISK_ZONE_CLOSE:
2924 		return ZBC_OUT_SA_CLOSE;
2925 	case DISK_ZONE_FINISH:
2926 		return ZBC_OUT_SA_FINISH;
2927 	case DISK_ZONE_RWP:
2928 		return ZBC_OUT_SA_RWP;
2929 	}
2930 
2931 	return -1;
2932 }
2933 
2934 static int
2935 da_zone_cmd(struct cam_periph *periph, union ccb *ccb, struct bio *bp,
2936 	    int *queue_ccb)
2937 {
2938 	struct da_softc *softc;
2939 	int error;
2940 
2941 	error = 0;
2942 
2943 	if (bp->bio_cmd != BIO_ZONE) {
2944 		error = EINVAL;
2945 		goto bailout;
2946 	}
2947 
2948 	softc = periph->softc;
2949 
2950 	switch (bp->bio_zone.zone_cmd) {
2951 	case DISK_ZONE_OPEN:
2952 	case DISK_ZONE_CLOSE:
2953 	case DISK_ZONE_FINISH:
2954 	case DISK_ZONE_RWP: {
2955 		int zone_flags;
2956 		int zone_sa;
2957 		uint64_t lba;
2958 
2959 		zone_sa = da_zone_bio_to_scsi(bp->bio_zone.zone_cmd);
2960 		if (zone_sa == -1) {
2961 			xpt_print(periph->path, "Cannot translate zone "
2962 			    "cmd %#x to SCSI\n", bp->bio_zone.zone_cmd);
2963 			error = EINVAL;
2964 			goto bailout;
2965 		}
2966 
2967 		zone_flags = 0;
2968 		lba = bp->bio_zone.zone_params.rwp.id;
2969 
2970 		if (bp->bio_zone.zone_params.rwp.flags &
2971 		    DISK_ZONE_RWP_FLAG_ALL)
2972 			zone_flags |= ZBC_OUT_ALL;
2973 
2974 		if (softc->zone_interface != DA_ZONE_IF_ATA_PASS) {
2975 			scsi_zbc_out(&ccb->csio,
2976 				     /*retries*/ da_retry_count,
2977 				     /*cbfcnp*/ dadone,
2978 				     /*tag_action*/ MSG_SIMPLE_Q_TAG,
2979 				     /*service_action*/ zone_sa,
2980 				     /*zone_id*/ lba,
2981 				     /*zone_flags*/ zone_flags,
2982 				     /*data_ptr*/ NULL,
2983 				     /*dxfer_len*/ 0,
2984 				     /*sense_len*/ SSD_FULL_SIZE,
2985 				     /*timeout*/ da_default_timeout * 1000);
2986 		} else {
2987 			/*
2988 			 * Note that in this case, even though we can
2989 			 * technically use NCQ, we don't bother for several
2990 			 * reasons:
2991 			 * 1. It hasn't been tested on a SAT layer that
2992 			 *    supports it.  This is new as of SAT-4.
2993 			 * 2. Even when there is a SAT layer that supports
2994 			 *    it, that SAT layer will also probably support
2995 			 *    ZBC -> ZAC translation, since they are both
2996 			 *    in the SAT-4 spec.
2997 			 * 3. Translation will likely be preferable to ATA
2998 			 *    passthrough.  LSI / Avago at least single
2999 			 *    steps ATA passthrough commands in the HBA,
3000 			 *    regardless of protocol, so unless that
3001 			 *    changes, there is a performance penalty for
3002 			 *    doing ATA passthrough no matter whether
3003 			 *    you're using NCQ/FPDMA, DMA or PIO.
3004 			 * 4. It requires a 32-byte CDB, which at least at
3005 			 *    this point in CAM requires a CDB pointer, which
3006 			 *    would require us to allocate an additional bit
3007 			 *    of storage separate from the CCB.
3008 			 */
3009 			error = scsi_ata_zac_mgmt_out(&ccb->csio,
3010 			    /*retries*/ da_retry_count,
3011 			    /*cbfcnp*/ dadone,
3012 			    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3013 			    /*use_ncq*/ 0,
3014 			    /*zm_action*/ zone_sa,
3015 			    /*zone_id*/ lba,
3016 			    /*zone_flags*/ zone_flags,
3017 			    /*data_ptr*/ NULL,
3018 			    /*dxfer_len*/ 0,
3019 			    /*cdb_storage*/ NULL,
3020 			    /*cdb_storage_len*/ 0,
3021 			    /*sense_len*/ SSD_FULL_SIZE,
3022 			    /*timeout*/ da_default_timeout * 1000);
3023 			if (error != 0) {
3024 				error = EINVAL;
3025 				xpt_print(periph->path,
3026 				    "scsi_ata_zac_mgmt_out() returned an "
3027 				    "error!");
3028 				goto bailout;
3029 			}
3030 		}
3031 		*queue_ccb = 1;
3032 
3033 		break;
3034 	}
3035 	case DISK_ZONE_REPORT_ZONES: {
3036 		uint8_t *rz_ptr;
3037 		uint32_t num_entries, alloc_size;
3038 		struct disk_zone_report *rep;
3039 
3040 		rep = &bp->bio_zone.zone_params.report;
3041 
3042 		num_entries = rep->entries_allocated;
3043 		if (num_entries == 0) {
3044 			xpt_print(periph->path, "No entries allocated for "
3045 			    "Report Zones request\n");
3046 			error = EINVAL;
3047 			goto bailout;
3048 		}
3049 		alloc_size = sizeof(struct scsi_report_zones_hdr) +
3050 		    (sizeof(struct scsi_report_zones_desc) * num_entries);
3051 		alloc_size = min(alloc_size, softc->disk->d_maxsize);
3052 		rz_ptr = malloc(alloc_size, M_SCSIDA, M_NOWAIT | M_ZERO);
3053 		if (rz_ptr == NULL) {
3054 			xpt_print(periph->path, "Unable to allocate memory "
3055 			   "for Report Zones request\n");
3056 			error = ENOMEM;
3057 			goto bailout;
3058 		}
3059 
3060 		if (softc->zone_interface != DA_ZONE_IF_ATA_PASS) {
3061 			scsi_zbc_in(&ccb->csio,
3062 				    /*retries*/ da_retry_count,
3063 				    /*cbcfnp*/ dadone,
3064 				    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3065 				    /*service_action*/ ZBC_IN_SA_REPORT_ZONES,
3066 				    /*zone_start_lba*/ rep->starting_id,
3067 				    /*zone_options*/ rep->rep_options,
3068 				    /*data_ptr*/ rz_ptr,
3069 				    /*dxfer_len*/ alloc_size,
3070 				    /*sense_len*/ SSD_FULL_SIZE,
3071 				    /*timeout*/ da_default_timeout * 1000);
3072 		} else {
3073 			/*
3074 			 * Note that in this case, even though we can
3075 			 * technically use NCQ, we don't bother for several
3076 			 * reasons:
3077 			 * 1. It hasn't been tested on a SAT layer that
3078 			 *    supports it.  This is new as of SAT-4.
3079 			 * 2. Even when there is a SAT layer that supports
3080 			 *    it, that SAT layer will also probably support
3081 			 *    ZBC -> ZAC translation, since they are both
3082 			 *    in the SAT-4 spec.
3083 			 * 3. Translation will likely be preferable to ATA
3084 			 *    passthrough.  LSI / Avago at least single
3085 			 *    steps ATA passthrough commands in the HBA,
3086 			 *    regardless of protocol, so unless that
3087 			 *    changes, there is a performance penalty for
3088 			 *    doing ATA passthrough no matter whether
3089 			 *    you're using NCQ/FPDMA, DMA or PIO.
3090 			 * 4. It requires a 32-byte CDB, which at least at
3091 			 *    this point in CAM requires a CDB pointer, which
3092 			 *    would require us to allocate an additional bit
3093 			 *    of storage separate from the CCB.
3094 			 */
3095 			error = scsi_ata_zac_mgmt_in(&ccb->csio,
3096 			    /*retries*/ da_retry_count,
3097 			    /*cbcfnp*/ dadone,
3098 			    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3099 			    /*use_ncq*/ 0,
3100 			    /*zm_action*/ ATA_ZM_REPORT_ZONES,
3101 			    /*zone_id*/ rep->starting_id,
3102 			    /*zone_flags*/ rep->rep_options,
3103 			    /*data_ptr*/ rz_ptr,
3104 			    /*dxfer_len*/ alloc_size,
3105 			    /*cdb_storage*/ NULL,
3106 			    /*cdb_storage_len*/ 0,
3107 			    /*sense_len*/ SSD_FULL_SIZE,
3108 			    /*timeout*/ da_default_timeout * 1000);
3109 			if (error != 0) {
3110 				error = EINVAL;
3111 				xpt_print(periph->path,
3112 				    "scsi_ata_zac_mgmt_in() returned an "
3113 				    "error!");
3114 				goto bailout;
3115 			}
3116 		}
3117 
3118 		/*
3119 		 * For BIO_ZONE, this isn't normally needed.  However, it
3120 		 * is used by devstat_end_transaction_bio() to determine
3121 		 * how much data was transferred.
3122 		 */
3123 		/*
3124 		 * XXX KDM we have a problem.  But I'm not sure how to fix
3125 		 * it.  devstat uses bio_bcount - bio_resid to calculate
3126 		 * the amount of data transferred.   The GEOM disk code
3127 		 * uses bio_length - bio_resid to calculate the amount of
3128 		 * data in bio_completed.  We have different structure
3129 		 * sizes above and below the ada(4) driver.  So, if we
3130 		 * use the sizes above, the amount transferred won't be
3131 		 * quite accurate for devstat.  If we use different sizes
3132 		 * for bio_bcount and bio_length (above and below
3133 		 * respectively), then the residual needs to match one or
3134 		 * the other.  Everything is calculated after the bio
3135 		 * leaves the driver, so changing the values around isn't
3136 		 * really an option.  For now, just set the count to the
3137 		 * passed in length.  This means that the calculations
3138 		 * above (e.g. bio_completed) will be correct, but the
3139 		 * amount of data reported to devstat will be slightly
3140 		 * under or overstated.
3141 		 */
3142 		bp->bio_bcount = bp->bio_length;
3143 
3144 		*queue_ccb = 1;
3145 
3146 		break;
3147 	}
3148 	case DISK_ZONE_GET_PARAMS: {
3149 		struct disk_zone_disk_params *params;
3150 
3151 		params = &bp->bio_zone.zone_params.disk_params;
3152 		bzero(params, sizeof(*params));
3153 
3154 		switch (softc->zone_mode) {
3155 		case DA_ZONE_DRIVE_MANAGED:
3156 			params->zone_mode = DISK_ZONE_MODE_DRIVE_MANAGED;
3157 			break;
3158 		case DA_ZONE_HOST_AWARE:
3159 			params->zone_mode = DISK_ZONE_MODE_HOST_AWARE;
3160 			break;
3161 		case DA_ZONE_HOST_MANAGED:
3162 			params->zone_mode = DISK_ZONE_MODE_HOST_MANAGED;
3163 			break;
3164 		default:
3165 		case DA_ZONE_NONE:
3166 			params->zone_mode = DISK_ZONE_MODE_NONE;
3167 			break;
3168 		}
3169 
3170 		if (softc->zone_flags & DA_ZONE_FLAG_URSWRZ)
3171 			params->flags |= DISK_ZONE_DISK_URSWRZ;
3172 
3173 		if (softc->zone_flags & DA_ZONE_FLAG_OPT_SEQ_SET) {
3174 			params->optimal_seq_zones = softc->optimal_seq_zones;
3175 			params->flags |= DISK_ZONE_OPT_SEQ_SET;
3176 		}
3177 
3178 		if (softc->zone_flags & DA_ZONE_FLAG_OPT_NONSEQ_SET) {
3179 			params->optimal_nonseq_zones =
3180 			    softc->optimal_nonseq_zones;
3181 			params->flags |= DISK_ZONE_OPT_NONSEQ_SET;
3182 		}
3183 
3184 		if (softc->zone_flags & DA_ZONE_FLAG_MAX_SEQ_SET) {
3185 			params->max_seq_zones = softc->max_seq_zones;
3186 			params->flags |= DISK_ZONE_MAX_SEQ_SET;
3187 		}
3188 		if (softc->zone_flags & DA_ZONE_FLAG_RZ_SUP)
3189 			params->flags |= DISK_ZONE_RZ_SUP;
3190 
3191 		if (softc->zone_flags & DA_ZONE_FLAG_OPEN_SUP)
3192 			params->flags |= DISK_ZONE_OPEN_SUP;
3193 
3194 		if (softc->zone_flags & DA_ZONE_FLAG_CLOSE_SUP)
3195 			params->flags |= DISK_ZONE_CLOSE_SUP;
3196 
3197 		if (softc->zone_flags & DA_ZONE_FLAG_FINISH_SUP)
3198 			params->flags |= DISK_ZONE_FINISH_SUP;
3199 
3200 		if (softc->zone_flags & DA_ZONE_FLAG_RWP_SUP)
3201 			params->flags |= DISK_ZONE_RWP_SUP;
3202 		break;
3203 	}
3204 	default:
3205 		break;
3206 	}
3207 bailout:
3208 	return (error);
3209 }
3210 
3211 static void
3212 dastart(struct cam_periph *periph, union ccb *start_ccb)
3213 {
3214 	struct da_softc *softc;
3215 
3216 	cam_periph_assert(periph, MA_OWNED);
3217 	softc = (struct da_softc *)periph->softc;
3218 
3219 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n"));
3220 
3221 skipstate:
3222 	switch (softc->state) {
3223 	case DA_STATE_NORMAL:
3224 	{
3225 		struct bio *bp;
3226 		uint8_t tag_code;
3227 
3228 more:
3229 		bp = cam_iosched_next_bio(softc->cam_iosched);
3230 		if (bp == NULL) {
3231 			if (cam_iosched_has_work_flags(softc->cam_iosched,
3232 			    DA_WORK_TUR)) {
3233 				softc->flags |= DA_FLAG_TUR_PENDING;
3234 				cam_iosched_clr_work_flags(softc->cam_iosched,
3235 				    DA_WORK_TUR);
3236 				scsi_test_unit_ready(&start_ccb->csio,
3237 				     /*retries*/ da_retry_count,
3238 				     dadone_tur,
3239 				     MSG_SIMPLE_Q_TAG,
3240 				     SSD_FULL_SIZE,
3241 				     da_default_timeout * 1000);
3242 				start_ccb->ccb_h.ccb_bp = NULL;
3243 				start_ccb->ccb_h.ccb_state = DA_CCB_TUR;
3244 				xpt_action(start_ccb);
3245 			} else
3246 				xpt_release_ccb(start_ccb);
3247 			break;
3248 		}
3249 
3250 		if (bp->bio_cmd == BIO_DELETE) {
3251 			if (softc->delete_func != NULL) {
3252 				softc->delete_func(periph, start_ccb, bp);
3253 				goto out;
3254 			} else {
3255 				/*
3256 				 * Not sure this is possible, but failsafe by
3257 				 * lying and saying "sure, done."
3258 				 */
3259 				biofinish(bp, NULL, 0);
3260 				goto more;
3261 			}
3262 		}
3263 
3264 		if (cam_iosched_has_work_flags(softc->cam_iosched,
3265 		    DA_WORK_TUR)) {
3266 			cam_iosched_clr_work_flags(softc->cam_iosched,
3267 			    DA_WORK_TUR);
3268 			da_periph_release_locked(periph, DA_REF_TUR);
3269 		}
3270 
3271 		if ((bp->bio_flags & BIO_ORDERED) != 0 ||
3272 		    (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
3273 			softc->flags &= ~DA_FLAG_NEED_OTAG;
3274 			softc->flags |= DA_FLAG_WAS_OTAG;
3275 			tag_code = MSG_ORDERED_Q_TAG;
3276 		} else {
3277 			tag_code = MSG_SIMPLE_Q_TAG;
3278 		}
3279 
3280 		switch (bp->bio_cmd) {
3281 		case BIO_WRITE:
3282 		case BIO_READ:
3283 		{
3284 			void *data_ptr;
3285 			int rw_op;
3286 
3287 			biotrack(bp, __func__);
3288 
3289 			if (bp->bio_cmd == BIO_WRITE) {
3290 				softc->flags |= DA_FLAG_DIRTY;
3291 				rw_op = SCSI_RW_WRITE;
3292 			} else {
3293 				rw_op = SCSI_RW_READ;
3294 			}
3295 
3296 			data_ptr = bp->bio_data;
3297 			if ((bp->bio_flags & (BIO_UNMAPPED|BIO_VLIST)) != 0) {
3298 				rw_op |= SCSI_RW_BIO;
3299 				data_ptr = bp;
3300 			}
3301 
3302 			scsi_read_write(&start_ccb->csio,
3303 					/*retries*/da_retry_count,
3304 					/*cbfcnp*/dadone,
3305 					/*tag_action*/tag_code,
3306 					rw_op,
3307 					/*byte2*/0,
3308 					softc->minimum_cmd_size,
3309 					/*lba*/bp->bio_pblkno,
3310 					/*block_count*/bp->bio_bcount /
3311 					softc->params.secsize,
3312 					data_ptr,
3313 					/*dxfer_len*/ bp->bio_bcount,
3314 					/*sense_len*/SSD_FULL_SIZE,
3315 					da_default_timeout * 1000);
3316 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
3317 			start_ccb->csio.bio = bp;
3318 #endif
3319 			break;
3320 		}
3321 		case BIO_FLUSH:
3322 			/*
3323 			 * If we don't support sync cache, or the disk
3324 			 * isn't dirty, FLUSH is a no-op.  Use the
3325 			 * allocated CCB for the next bio if one is
3326 			 * available.
3327 			 */
3328 			if ((softc->quirks & DA_Q_NO_SYNC_CACHE) != 0 ||
3329 			    (softc->flags & DA_FLAG_DIRTY) == 0) {
3330 				biodone(bp);
3331 				goto skipstate;
3332 			}
3333 
3334 			/*
3335 			 * BIO_FLUSH doesn't currently communicate
3336 			 * range data, so we synchronize the cache
3337 			 * over the whole disk.
3338 			 */
3339 			scsi_synchronize_cache(&start_ccb->csio,
3340 					       /*retries*/1,
3341 					       /*cbfcnp*/dadone,
3342 					       /*tag_action*/tag_code,
3343 					       /*begin_lba*/0,
3344 					       /*lb_count*/0,
3345 					       SSD_FULL_SIZE,
3346 					       da_default_timeout*1000);
3347 			/*
3348 			 * Clear the dirty flag before sending the command.
3349 			 * Either this sync cache will be successful, or it
3350 			 * will fail after a retry.  If it fails, it is
3351 			 * unlikely to be successful if retried later, so
3352 			 * we'll save ourselves time by just marking the
3353 			 * device clean.
3354 			 */
3355 			softc->flags &= ~DA_FLAG_DIRTY;
3356 			break;
3357 		case BIO_ZONE: {
3358 			int error, queue_ccb;
3359 
3360 			queue_ccb = 0;
3361 
3362 			error = da_zone_cmd(periph, start_ccb, bp,&queue_ccb);
3363 			if ((error != 0)
3364 			 || (queue_ccb == 0)) {
3365 				biofinish(bp, NULL, error);
3366 				xpt_release_ccb(start_ccb);
3367 				return;
3368 			}
3369 			break;
3370 		}
3371 		}
3372 		start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
3373 		start_ccb->ccb_h.flags |= CAM_UNLOCKED;
3374 		start_ccb->ccb_h.softtimeout = sbttotv(da_default_softtimeout);
3375 
3376 out:
3377 		LIST_INSERT_HEAD(&softc->pending_ccbs,
3378 				 &start_ccb->ccb_h, periph_links.le);
3379 
3380 		/* We expect a unit attention from this device */
3381 		if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
3382 			start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
3383 			softc->flags &= ~DA_FLAG_RETRY_UA;
3384 		}
3385 
3386 		start_ccb->ccb_h.ccb_bp = bp;
3387 		softc->refcount++;
3388 		cam_periph_unlock(periph);
3389 		xpt_action(start_ccb);
3390 		cam_periph_lock(periph);
3391 
3392 		/* May have more work to do, so ensure we stay scheduled */
3393 		daschedule(periph);
3394 		break;
3395 	}
3396 	case DA_STATE_PROBE_WP:
3397 	{
3398 		void  *mode_buf;
3399 		int    mode_buf_len;
3400 
3401 		if (da_disable_wp_detection) {
3402 			if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
3403 				softc->state = DA_STATE_PROBE_RC16;
3404 			else
3405 				softc->state = DA_STATE_PROBE_RC;
3406 			goto skipstate;
3407 		}
3408 		mode_buf_len = 192;
3409 		mode_buf = malloc(mode_buf_len, M_SCSIDA, M_NOWAIT);
3410 		if (mode_buf == NULL) {
3411 			xpt_print(periph->path, "Unable to send mode sense - "
3412 			    "malloc failure\n");
3413 			if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
3414 				softc->state = DA_STATE_PROBE_RC16;
3415 			else
3416 				softc->state = DA_STATE_PROBE_RC;
3417 			goto skipstate;
3418 		}
3419 		scsi_mode_sense_len(&start_ccb->csio,
3420 				    /*retries*/ da_retry_count,
3421 				    /*cbfcnp*/ dadone_probewp,
3422 				    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3423 				    /*dbd*/ FALSE,
3424 				    /*pc*/ SMS_PAGE_CTRL_CURRENT,
3425 				    /*page*/ SMS_ALL_PAGES_PAGE,
3426 				    /*param_buf*/ mode_buf,
3427 				    /*param_len*/ mode_buf_len,
3428 				    /*minimum_cmd_size*/ softc->minimum_cmd_size,
3429 				    /*sense_len*/ SSD_FULL_SIZE,
3430 				    /*timeout*/ da_default_timeout * 1000);
3431 		start_ccb->ccb_h.ccb_bp = NULL;
3432 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_WP;
3433 		xpt_action(start_ccb);
3434 		break;
3435 	}
3436 	case DA_STATE_PROBE_RC:
3437 	{
3438 		struct scsi_read_capacity_data *rcap;
3439 
3440 		rcap = (struct scsi_read_capacity_data *)
3441 		    malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO);
3442 		if (rcap == NULL) {
3443 			printf("dastart: Couldn't malloc read_capacity data\n");
3444 			/* da_free_periph??? */
3445 			break;
3446 		}
3447 		scsi_read_capacity(&start_ccb->csio,
3448 				   /*retries*/da_retry_count,
3449 				   dadone_proberc,
3450 				   MSG_SIMPLE_Q_TAG,
3451 				   rcap,
3452 				   SSD_FULL_SIZE,
3453 				   /*timeout*/5000);
3454 		start_ccb->ccb_h.ccb_bp = NULL;
3455 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC;
3456 		xpt_action(start_ccb);
3457 		break;
3458 	}
3459 	case DA_STATE_PROBE_RC16:
3460 	{
3461 		struct scsi_read_capacity_data_long *rcaplong;
3462 
3463 		rcaplong = (struct scsi_read_capacity_data_long *)
3464 			malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO);
3465 		if (rcaplong == NULL) {
3466 			printf("dastart: Couldn't malloc read_capacity data\n");
3467 			/* da_free_periph??? */
3468 			break;
3469 		}
3470 		scsi_read_capacity_16(&start_ccb->csio,
3471 				      /*retries*/ da_retry_count,
3472 				      /*cbfcnp*/ dadone_proberc,
3473 				      /*tag_action*/ MSG_SIMPLE_Q_TAG,
3474 				      /*lba*/ 0,
3475 				      /*reladr*/ 0,
3476 				      /*pmi*/ 0,
3477 				      /*rcap_buf*/ (uint8_t *)rcaplong,
3478 				      /*rcap_buf_len*/ sizeof(*rcaplong),
3479 				      /*sense_len*/ SSD_FULL_SIZE,
3480 				      /*timeout*/ da_default_timeout * 1000);
3481 		start_ccb->ccb_h.ccb_bp = NULL;
3482 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16;
3483 		xpt_action(start_ccb);
3484 		break;
3485 	}
3486 	case DA_STATE_PROBE_LBP:
3487 	{
3488 		struct scsi_vpd_logical_block_prov *lbp;
3489 
3490 		if (!scsi_vpd_supported_page(periph, SVPD_LBP)) {
3491 			/*
3492 			 * If we get here we don't support any SBC-3 delete
3493 			 * methods with UNMAP as the Logical Block Provisioning
3494 			 * VPD page support is required for devices which
3495 			 * support it according to T10/1799-D Revision 31
3496 			 * however older revisions of the spec don't mandate
3497 			 * this so we currently don't remove these methods
3498 			 * from the available set.
3499 			 */
3500 			softc->state = DA_STATE_PROBE_BLK_LIMITS;
3501 			goto skipstate;
3502 		}
3503 
3504 		lbp = (struct scsi_vpd_logical_block_prov *)
3505 			malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO);
3506 
3507 		if (lbp == NULL) {
3508 			printf("dastart: Couldn't malloc lbp data\n");
3509 			/* da_free_periph??? */
3510 			break;
3511 		}
3512 
3513 		scsi_inquiry(&start_ccb->csio,
3514 			     /*retries*/da_retry_count,
3515 			     /*cbfcnp*/dadone_probelbp,
3516 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3517 			     /*inq_buf*/(u_int8_t *)lbp,
3518 			     /*inq_len*/sizeof(*lbp),
3519 			     /*evpd*/TRUE,
3520 			     /*page_code*/SVPD_LBP,
3521 			     /*sense_len*/SSD_MIN_SIZE,
3522 			     /*timeout*/da_default_timeout * 1000);
3523 		start_ccb->ccb_h.ccb_bp = NULL;
3524 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP;
3525 		xpt_action(start_ccb);
3526 		break;
3527 	}
3528 	case DA_STATE_PROBE_BLK_LIMITS:
3529 	{
3530 		struct scsi_vpd_block_limits *block_limits;
3531 
3532 		if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) {
3533 			/* Not supported skip to next probe */
3534 			softc->state = DA_STATE_PROBE_BDC;
3535 			goto skipstate;
3536 		}
3537 
3538 		block_limits = (struct scsi_vpd_block_limits *)
3539 			malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO);
3540 
3541 		if (block_limits == NULL) {
3542 			printf("dastart: Couldn't malloc block_limits data\n");
3543 			/* da_free_periph??? */
3544 			break;
3545 		}
3546 
3547 		scsi_inquiry(&start_ccb->csio,
3548 			     /*retries*/da_retry_count,
3549 			     /*cbfcnp*/dadone_probeblklimits,
3550 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3551 			     /*inq_buf*/(u_int8_t *)block_limits,
3552 			     /*inq_len*/sizeof(*block_limits),
3553 			     /*evpd*/TRUE,
3554 			     /*page_code*/SVPD_BLOCK_LIMITS,
3555 			     /*sense_len*/SSD_MIN_SIZE,
3556 			     /*timeout*/da_default_timeout * 1000);
3557 		start_ccb->ccb_h.ccb_bp = NULL;
3558 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS;
3559 		xpt_action(start_ccb);
3560 		break;
3561 	}
3562 	case DA_STATE_PROBE_BDC:
3563 	{
3564 		struct scsi_vpd_block_characteristics *bdc;
3565 
3566 		if (!scsi_vpd_supported_page(periph, SVPD_BDC)) {
3567 			softc->state = DA_STATE_PROBE_ATA;
3568 			goto skipstate;
3569 		}
3570 
3571 		bdc = (struct scsi_vpd_block_characteristics *)
3572 			malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
3573 
3574 		if (bdc == NULL) {
3575 			printf("dastart: Couldn't malloc bdc data\n");
3576 			/* da_free_periph??? */
3577 			break;
3578 		}
3579 
3580 		scsi_inquiry(&start_ccb->csio,
3581 			     /*retries*/da_retry_count,
3582 			     /*cbfcnp*/dadone_probebdc,
3583 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3584 			     /*inq_buf*/(u_int8_t *)bdc,
3585 			     /*inq_len*/sizeof(*bdc),
3586 			     /*evpd*/TRUE,
3587 			     /*page_code*/SVPD_BDC,
3588 			     /*sense_len*/SSD_MIN_SIZE,
3589 			     /*timeout*/da_default_timeout * 1000);
3590 		start_ccb->ccb_h.ccb_bp = NULL;
3591 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC;
3592 		xpt_action(start_ccb);
3593 		break;
3594 	}
3595 	case DA_STATE_PROBE_ATA:
3596 	{
3597 		struct ata_params *ata_params;
3598 
3599 		if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
3600 			if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
3601 			 || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
3602 				/*
3603 				 * Note that if the ATA VPD page isn't
3604 				 * supported, we aren't talking to an ATA
3605 				 * device anyway.  Support for that VPD
3606 				 * page is mandatory for SCSI to ATA (SAT)
3607 				 * translation layers.
3608 				 */
3609 				softc->state = DA_STATE_PROBE_ZONE;
3610 				goto skipstate;
3611 			}
3612 			daprobedone(periph, start_ccb);
3613 			break;
3614 		}
3615 
3616 		ata_params = (struct ata_params*)
3617 			malloc(sizeof(*ata_params), M_SCSIDA,M_NOWAIT|M_ZERO);
3618 
3619 		if (ata_params == NULL) {
3620 			xpt_print(periph->path, "Couldn't malloc ata_params "
3621 			    "data\n");
3622 			/* da_free_periph??? */
3623 			break;
3624 		}
3625 
3626 		scsi_ata_identify(&start_ccb->csio,
3627 				  /*retries*/da_retry_count,
3628 				  /*cbfcnp*/dadone_probeata,
3629                                   /*tag_action*/MSG_SIMPLE_Q_TAG,
3630 				  /*data_ptr*/(u_int8_t *)ata_params,
3631 				  /*dxfer_len*/sizeof(*ata_params),
3632 				  /*sense_len*/SSD_FULL_SIZE,
3633 				  /*timeout*/da_default_timeout * 1000);
3634 		start_ccb->ccb_h.ccb_bp = NULL;
3635 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA;
3636 		xpt_action(start_ccb);
3637 		break;
3638 	}
3639 	case DA_STATE_PROBE_ATA_LOGDIR:
3640 	{
3641 		struct ata_gp_log_dir *log_dir;
3642 		int retval;
3643 
3644 		retval = 0;
3645 
3646 		if ((softc->flags & DA_FLAG_CAN_ATA_LOG) == 0) {
3647 			/*
3648 			 * If we don't have log support, not much point in
3649 			 * trying to probe zone support.
3650 			 */
3651 			daprobedone(periph, start_ccb);
3652 			break;
3653 		}
3654 
3655 		/*
3656 		 * If we have an ATA device (the SCSI ATA Information VPD
3657 		 * page should be present and the ATA identify should have
3658 		 * succeeded) and it supports logs, ask for the log directory.
3659 		 */
3660 
3661 		log_dir = malloc(sizeof(*log_dir), M_SCSIDA, M_NOWAIT|M_ZERO);
3662 		if (log_dir == NULL) {
3663 			xpt_print(periph->path, "Couldn't malloc log_dir "
3664 			    "data\n");
3665 			daprobedone(periph, start_ccb);
3666 			break;
3667 		}
3668 
3669 		retval = scsi_ata_read_log(&start_ccb->csio,
3670 		    /*retries*/ da_retry_count,
3671 		    /*cbfcnp*/ dadone_probeatalogdir,
3672 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3673 		    /*log_address*/ ATA_LOG_DIRECTORY,
3674 		    /*page_number*/ 0,
3675 		    /*block_count*/ 1,
3676 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3677 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3678 		    /*data_ptr*/ (uint8_t *)log_dir,
3679 		    /*dxfer_len*/ sizeof(*log_dir),
3680 		    /*sense_len*/ SSD_FULL_SIZE,
3681 		    /*timeout*/ da_default_timeout * 1000);
3682 
3683 		if (retval != 0) {
3684 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3685 			free(log_dir, M_SCSIDA);
3686 			daprobedone(periph, start_ccb);
3687 			break;
3688 		}
3689 		start_ccb->ccb_h.ccb_bp = NULL;
3690 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_LOGDIR;
3691 		xpt_action(start_ccb);
3692 		break;
3693 	}
3694 	case DA_STATE_PROBE_ATA_IDDIR:
3695 	{
3696 		struct ata_identify_log_pages *id_dir;
3697 		int retval;
3698 
3699 		retval = 0;
3700 
3701 		/*
3702 		 * Check here to see whether the Identify Device log is
3703 		 * supported in the directory of logs.  If so, continue
3704 		 * with requesting the log of identify device pages.
3705 		 */
3706 		if ((softc->flags & DA_FLAG_CAN_ATA_IDLOG) == 0) {
3707 			daprobedone(periph, start_ccb);
3708 			break;
3709 		}
3710 
3711 		id_dir = malloc(sizeof(*id_dir), M_SCSIDA, M_NOWAIT | M_ZERO);
3712 		if (id_dir == NULL) {
3713 			xpt_print(periph->path, "Couldn't malloc id_dir "
3714 			    "data\n");
3715 			daprobedone(periph, start_ccb);
3716 			break;
3717 		}
3718 
3719 		retval = scsi_ata_read_log(&start_ccb->csio,
3720 		    /*retries*/ da_retry_count,
3721 		    /*cbfcnp*/ dadone_probeataiddir,
3722 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3723 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3724 		    /*page_number*/ ATA_IDL_PAGE_LIST,
3725 		    /*block_count*/ 1,
3726 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3727 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3728 		    /*data_ptr*/ (uint8_t *)id_dir,
3729 		    /*dxfer_len*/ sizeof(*id_dir),
3730 		    /*sense_len*/ SSD_FULL_SIZE,
3731 		    /*timeout*/ da_default_timeout * 1000);
3732 
3733 		if (retval != 0) {
3734 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3735 			free(id_dir, M_SCSIDA);
3736 			daprobedone(periph, start_ccb);
3737 			break;
3738 		}
3739 		start_ccb->ccb_h.ccb_bp = NULL;
3740 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_IDDIR;
3741 		xpt_action(start_ccb);
3742 		break;
3743 	}
3744 	case DA_STATE_PROBE_ATA_SUP:
3745 	{
3746 		struct ata_identify_log_sup_cap *sup_cap;
3747 		int retval;
3748 
3749 		retval = 0;
3750 
3751 		/*
3752 		 * Check here to see whether the Supported Capabilities log
3753 		 * is in the list of Identify Device logs.
3754 		 */
3755 		if ((softc->flags & DA_FLAG_CAN_ATA_SUPCAP) == 0) {
3756 			daprobedone(periph, start_ccb);
3757 			break;
3758 		}
3759 
3760 		sup_cap = malloc(sizeof(*sup_cap), M_SCSIDA, M_NOWAIT|M_ZERO);
3761 		if (sup_cap == NULL) {
3762 			xpt_print(periph->path, "Couldn't malloc sup_cap "
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_probeatasup,
3771 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3772 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3773 		    /*page_number*/ ATA_IDL_SUP_CAP,
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 *)sup_cap,
3778 		    /*dxfer_len*/ sizeof(*sup_cap),
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(sup_cap, M_SCSIDA);
3785 			daprobedone(periph, start_ccb);
3786 			break;
3787 
3788 		}
3789 
3790 		start_ccb->ccb_h.ccb_bp = NULL;
3791 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_SUP;
3792 		xpt_action(start_ccb);
3793 		break;
3794 	}
3795 	case DA_STATE_PROBE_ATA_ZONE:
3796 	{
3797 		struct ata_zoned_info_log *ata_zone;
3798 		int retval;
3799 
3800 		retval = 0;
3801 
3802 		/*
3803 		 * Check here to see whether the zoned device information
3804 		 * page is supported.  If so, continue on to request it.
3805 		 * If not, skip to DA_STATE_PROBE_LOG or done.
3806 		 */
3807 		if ((softc->flags & DA_FLAG_CAN_ATA_ZONE) == 0) {
3808 			daprobedone(periph, start_ccb);
3809 			break;
3810 		}
3811 		ata_zone = malloc(sizeof(*ata_zone), M_SCSIDA,
3812 				  M_NOWAIT|M_ZERO);
3813 		if (ata_zone == NULL) {
3814 			xpt_print(periph->path, "Couldn't malloc ata_zone "
3815 			    "data\n");
3816 			daprobedone(periph, start_ccb);
3817 			break;
3818 		}
3819 
3820 		retval = scsi_ata_read_log(&start_ccb->csio,
3821 		    /*retries*/ da_retry_count,
3822 		    /*cbfcnp*/ dadone_probeatazone,
3823 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3824 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3825 		    /*page_number*/ ATA_IDL_ZDI,
3826 		    /*block_count*/ 1,
3827 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3828 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3829 		    /*data_ptr*/ (uint8_t *)ata_zone,
3830 		    /*dxfer_len*/ sizeof(*ata_zone),
3831 		    /*sense_len*/ SSD_FULL_SIZE,
3832 		    /*timeout*/ da_default_timeout * 1000);
3833 
3834 		if (retval != 0) {
3835 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3836 			free(ata_zone, M_SCSIDA);
3837 			daprobedone(periph, start_ccb);
3838 			break;
3839 		}
3840 		start_ccb->ccb_h.ccb_bp = NULL;
3841 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_ZONE;
3842 		xpt_action(start_ccb);
3843 
3844 		break;
3845 	}
3846 	case DA_STATE_PROBE_ZONE:
3847 	{
3848 		struct scsi_vpd_zoned_bdc *bdc;
3849 
3850 		/*
3851 		 * Note that this page will be supported for SCSI protocol
3852 		 * devices that support ZBC (SMR devices), as well as ATA
3853 		 * protocol devices that are behind a SAT (SCSI to ATA
3854 		 * Translation) layer that supports converting ZBC commands
3855 		 * to their ZAC equivalents.
3856 		 */
3857 		if (!scsi_vpd_supported_page(periph, SVPD_ZONED_BDC)) {
3858 			daprobedone(periph, start_ccb);
3859 			break;
3860 		}
3861 		bdc = (struct scsi_vpd_zoned_bdc *)
3862 			malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
3863 
3864 		if (bdc == NULL) {
3865 			xpt_release_ccb(start_ccb);
3866 			xpt_print(periph->path, "Couldn't malloc zone VPD "
3867 			    "data\n");
3868 			break;
3869 		}
3870 		scsi_inquiry(&start_ccb->csio,
3871 			     /*retries*/da_retry_count,
3872 			     /*cbfcnp*/dadone_probezone,
3873 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3874 			     /*inq_buf*/(u_int8_t *)bdc,
3875 			     /*inq_len*/sizeof(*bdc),
3876 			     /*evpd*/TRUE,
3877 			     /*page_code*/SVPD_ZONED_BDC,
3878 			     /*sense_len*/SSD_FULL_SIZE,
3879 			     /*timeout*/da_default_timeout * 1000);
3880 		start_ccb->ccb_h.ccb_bp = NULL;
3881 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ZONE;
3882 		xpt_action(start_ccb);
3883 		break;
3884 	}
3885 	}
3886 }
3887 
3888 /*
3889  * In each of the methods below, while its the caller's
3890  * responsibility to ensure the request will fit into a
3891  * single device request, we might have changed the delete
3892  * method due to the device incorrectly advertising either
3893  * its supported methods or limits.
3894  *
3895  * To prevent this causing further issues we validate the
3896  * against the methods limits, and warn which would
3897  * otherwise be unnecessary.
3898  */
3899 static void
3900 da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
3901 {
3902 	struct da_softc *softc = (struct da_softc *)periph->softc;;
3903 	struct bio *bp1;
3904 	uint8_t *buf = softc->unmap_buf;
3905 	struct scsi_unmap_desc *d = (void *)&buf[UNMAP_HEAD_SIZE];
3906 	uint64_t lba, lastlba = (uint64_t)-1;
3907 	uint64_t totalcount = 0;
3908 	uint64_t count;
3909 	uint32_t c, lastcount = 0, ranges = 0;
3910 
3911 	/*
3912 	 * Currently this doesn't take the UNMAP
3913 	 * Granularity and Granularity Alignment
3914 	 * fields into account.
3915 	 *
3916 	 * This could result in both unoptimal unmap
3917 	 * requests as as well as UNMAP calls unmapping
3918 	 * fewer LBA's than requested.
3919 	 */
3920 
3921 	bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
3922 	bp1 = bp;
3923 	do {
3924 		/*
3925 		 * Note: ada and da are different in how they store the
3926 		 * pending bp's in a trim. ada stores all of them in the
3927 		 * trim_req.bps. da stores all but the first one in the
3928 		 * delete_run_queue. ada then completes all the bps in
3929 		 * its adadone() loop. da completes all the bps in the
3930 		 * delete_run_queue in dadone, and relies on the biodone
3931 		 * after to complete. This should be reconciled since there's
3932 		 * no real reason to do it differently. XXX
3933 		 */
3934 		if (bp1 != bp)
3935 			bioq_insert_tail(&softc->delete_run_queue, bp1);
3936 		lba = bp1->bio_pblkno;
3937 		count = bp1->bio_bcount / softc->params.secsize;
3938 
3939 		/* Try to extend the previous range. */
3940 		if (lba == lastlba) {
3941 			c = omin(count, UNMAP_RANGE_MAX - lastcount);
3942 			lastlba += c;
3943 			lastcount += c;
3944 			scsi_ulto4b(lastcount, d[ranges - 1].length);
3945 			count -= c;
3946 			lba += c;
3947 			totalcount += c;
3948 		} else if ((softc->quirks & DA_Q_STRICT_UNMAP) &&
3949 		    softc->unmap_gran != 0) {
3950 			/* Align length of the previous range. */
3951 			if ((c = lastcount % softc->unmap_gran) != 0) {
3952 				if (lastcount <= c) {
3953 					totalcount -= lastcount;
3954 					lastlba = (uint64_t)-1;
3955 					lastcount = 0;
3956 					ranges--;
3957 				} else {
3958 					totalcount -= c;
3959 					lastlba -= c;
3960 					lastcount -= c;
3961 					scsi_ulto4b(lastcount,
3962 					    d[ranges - 1].length);
3963 				}
3964 			}
3965 			/* Align beginning of the new range. */
3966 			c = (lba - softc->unmap_gran_align) % softc->unmap_gran;
3967 			if (c != 0) {
3968 				c = softc->unmap_gran - c;
3969 				if (count <= c) {
3970 					count = 0;
3971 				} else {
3972 					lba += c;
3973 					count -= c;
3974 				}
3975 			}
3976 		}
3977 
3978 		while (count > 0) {
3979 			c = omin(count, UNMAP_RANGE_MAX);
3980 			if (totalcount + c > softc->unmap_max_lba ||
3981 			    ranges >= softc->unmap_max_ranges) {
3982 				xpt_print(periph->path,
3983 				    "%s issuing short delete %ld > %ld"
3984 				    "|| %d >= %d",
3985 				    da_delete_method_desc[softc->delete_method],
3986 				    totalcount + c, softc->unmap_max_lba,
3987 				    ranges, softc->unmap_max_ranges);
3988 				break;
3989 			}
3990 			scsi_u64to8b(lba, d[ranges].lba);
3991 			scsi_ulto4b(c, d[ranges].length);
3992 			lba += c;
3993 			totalcount += c;
3994 			ranges++;
3995 			count -= c;
3996 			lastlba = lba;
3997 			lastcount = c;
3998 		}
3999 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
4000 		if (bp1 == NULL)
4001 			break;
4002 		if (ranges >= softc->unmap_max_ranges ||
4003 		    totalcount + bp1->bio_bcount /
4004 		    softc->params.secsize > softc->unmap_max_lba) {
4005 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
4006 			break;
4007 		}
4008 	} while (1);
4009 
4010 	/* Align length of the last range. */
4011 	if ((softc->quirks & DA_Q_STRICT_UNMAP) && softc->unmap_gran != 0 &&
4012 	    (c = lastcount % softc->unmap_gran) != 0) {
4013 		if (lastcount <= c)
4014 			ranges--;
4015 		else
4016 			scsi_ulto4b(lastcount - c, d[ranges - 1].length);
4017 	}
4018 
4019 	scsi_ulto2b(ranges * 16 + 6, &buf[0]);
4020 	scsi_ulto2b(ranges * 16, &buf[2]);
4021 
4022 	scsi_unmap(&ccb->csio,
4023 		   /*retries*/da_retry_count,
4024 		   /*cbfcnp*/dadone,
4025 		   /*tag_action*/MSG_SIMPLE_Q_TAG,
4026 		   /*byte2*/0,
4027 		   /*data_ptr*/ buf,
4028 		   /*dxfer_len*/ ranges * 16 + 8,
4029 		   /*sense_len*/SSD_FULL_SIZE,
4030 		   da_default_timeout * 1000);
4031 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4032 	ccb->ccb_h.flags |= CAM_UNLOCKED;
4033 	softc->trim_count++;
4034 	softc->trim_ranges += ranges;
4035 	softc->trim_lbas += totalcount;
4036 	cam_iosched_submit_trim(softc->cam_iosched);
4037 }
4038 
4039 static void
4040 da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
4041 {
4042 	struct da_softc *softc = (struct da_softc *)periph->softc;
4043 	struct bio *bp1;
4044 	uint8_t *buf = softc->unmap_buf;
4045 	uint64_t lastlba = (uint64_t)-1;
4046 	uint64_t count;
4047 	uint64_t lba;
4048 	uint32_t lastcount = 0, c, requestcount;
4049 	int ranges = 0, off, block_count;
4050 
4051 	bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
4052 	bp1 = bp;
4053 	do {
4054 		if (bp1 != bp)//XXX imp XXX
4055 			bioq_insert_tail(&softc->delete_run_queue, bp1);
4056 		lba = bp1->bio_pblkno;
4057 		count = bp1->bio_bcount / softc->params.secsize;
4058 		requestcount = count;
4059 
4060 		/* Try to extend the previous range. */
4061 		if (lba == lastlba) {
4062 			c = omin(count, ATA_DSM_RANGE_MAX - lastcount);
4063 			lastcount += c;
4064 			off = (ranges - 1) * 8;
4065 			buf[off + 6] = lastcount & 0xff;
4066 			buf[off + 7] = (lastcount >> 8) & 0xff;
4067 			count -= c;
4068 			lba += c;
4069 		}
4070 
4071 		while (count > 0) {
4072 			c = omin(count, ATA_DSM_RANGE_MAX);
4073 			off = ranges * 8;
4074 
4075 			buf[off + 0] = lba & 0xff;
4076 			buf[off + 1] = (lba >> 8) & 0xff;
4077 			buf[off + 2] = (lba >> 16) & 0xff;
4078 			buf[off + 3] = (lba >> 24) & 0xff;
4079 			buf[off + 4] = (lba >> 32) & 0xff;
4080 			buf[off + 5] = (lba >> 40) & 0xff;
4081 			buf[off + 6] = c & 0xff;
4082 			buf[off + 7] = (c >> 8) & 0xff;
4083 			lba += c;
4084 			ranges++;
4085 			count -= c;
4086 			lastcount = c;
4087 			if (count != 0 && ranges == softc->trim_max_ranges) {
4088 				xpt_print(periph->path,
4089 				    "%s issuing short delete %ld > %ld\n",
4090 				    da_delete_method_desc[softc->delete_method],
4091 				    requestcount,
4092 				    (softc->trim_max_ranges - ranges) *
4093 				    ATA_DSM_RANGE_MAX);
4094 				break;
4095 			}
4096 		}
4097 		lastlba = lba;
4098 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
4099 		if (bp1 == NULL)
4100 			break;
4101 		if (bp1->bio_bcount / softc->params.secsize >
4102 		    (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) {
4103 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
4104 			break;
4105 		}
4106 	} while (1);
4107 
4108 	block_count = howmany(ranges, ATA_DSM_BLK_RANGES);
4109 	scsi_ata_trim(&ccb->csio,
4110 		      /*retries*/da_retry_count,
4111 		      /*cbfcnp*/dadone,
4112 		      /*tag_action*/MSG_SIMPLE_Q_TAG,
4113 		      block_count,
4114 		      /*data_ptr*/buf,
4115 		      /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE,
4116 		      /*sense_len*/SSD_FULL_SIZE,
4117 		      da_default_timeout * 1000);
4118 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4119 	ccb->ccb_h.flags |= CAM_UNLOCKED;
4120 	cam_iosched_submit_trim(softc->cam_iosched);
4121 }
4122 
4123 /*
4124  * We calculate ws_max_blks here based off d_delmaxsize instead
4125  * of using softc->ws_max_blks as it is absolute max for the
4126  * device not the protocol max which may well be lower.
4127  */
4128 static void
4129 da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
4130 {
4131 	struct da_softc *softc;
4132 	struct bio *bp1;
4133 	uint64_t ws_max_blks;
4134 	uint64_t lba;
4135 	uint64_t count; /* forward compat with WS32 */
4136 
4137 	softc = (struct da_softc *)periph->softc;
4138 	ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize;
4139 	lba = bp->bio_pblkno;
4140 	count = 0;
4141 	bp1 = bp;
4142 	do {
4143 		if (bp1 != bp)//XXX imp XXX
4144 			bioq_insert_tail(&softc->delete_run_queue, bp1);
4145 		count += bp1->bio_bcount / softc->params.secsize;
4146 		if (count > ws_max_blks) {
4147 			xpt_print(periph->path,
4148 			    "%s issuing short delete %ld > %ld\n",
4149 			    da_delete_method_desc[softc->delete_method],
4150 			    count, ws_max_blks);
4151 			count = omin(count, ws_max_blks);
4152 			break;
4153 		}
4154 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
4155 		if (bp1 == NULL)
4156 			break;
4157 		if (lba + count != bp1->bio_pblkno ||
4158 		    count + bp1->bio_bcount /
4159 		    softc->params.secsize > ws_max_blks) {
4160 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
4161 			break;
4162 		}
4163 	} while (1);
4164 
4165 	scsi_write_same(&ccb->csio,
4166 			/*retries*/da_retry_count,
4167 			/*cbfcnp*/dadone,
4168 			/*tag_action*/MSG_SIMPLE_Q_TAG,
4169 			/*byte2*/softc->delete_method ==
4170 			    DA_DELETE_ZERO ? 0 : SWS_UNMAP,
4171 			softc->delete_method == DA_DELETE_WS16 ? 16 : 10,
4172 			/*lba*/lba,
4173 			/*block_count*/count,
4174 			/*data_ptr*/ __DECONST(void *, zero_region),
4175 			/*dxfer_len*/ softc->params.secsize,
4176 			/*sense_len*/SSD_FULL_SIZE,
4177 			da_default_timeout * 1000);
4178 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4179 	ccb->ccb_h.flags |= CAM_UNLOCKED;
4180 	cam_iosched_submit_trim(softc->cam_iosched);
4181 }
4182 
4183 static int
4184 cmd6workaround(union ccb *ccb)
4185 {
4186 	struct scsi_rw_6 cmd6;
4187 	struct scsi_rw_10 *cmd10;
4188 	struct da_softc *softc;
4189 	u_int8_t *cdb;
4190 	struct bio *bp;
4191 	int frozen;
4192 
4193 	cdb = ccb->csio.cdb_io.cdb_bytes;
4194 	softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
4195 
4196 	if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) {
4197 		da_delete_methods old_method = softc->delete_method;
4198 
4199 		/*
4200 		 * Typically there are two reasons for failure here
4201 		 * 1. Delete method was detected as supported but isn't
4202 		 * 2. Delete failed due to invalid params e.g. too big
4203 		 *
4204 		 * While we will attempt to choose an alternative delete method
4205 		 * this may result in short deletes if the existing delete
4206 		 * requests from geom are big for the new method chosen.
4207 		 *
4208 		 * This method assumes that the error which triggered this
4209 		 * will not retry the io otherwise a panic will occur
4210 		 */
4211 		dadeleteflag(softc, old_method, 0);
4212 		dadeletemethodchoose(softc, DA_DELETE_DISABLE);
4213 		if (softc->delete_method == DA_DELETE_DISABLE)
4214 			xpt_print(ccb->ccb_h.path,
4215 				  "%s failed, disabling BIO_DELETE\n",
4216 				  da_delete_method_desc[old_method]);
4217 		else
4218 			xpt_print(ccb->ccb_h.path,
4219 				  "%s failed, switching to %s BIO_DELETE\n",
4220 				  da_delete_method_desc[old_method],
4221 				  da_delete_method_desc[softc->delete_method]);
4222 
4223 		while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL)
4224 			cam_iosched_queue_work(softc->cam_iosched, bp);
4225 		cam_iosched_queue_work(softc->cam_iosched,
4226 		    (struct bio *)ccb->ccb_h.ccb_bp);
4227 		ccb->ccb_h.ccb_bp = NULL;
4228 		return (0);
4229 	}
4230 
4231 	/* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */
4232 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
4233 	    (*cdb == PREVENT_ALLOW) &&
4234 	    (softc->quirks & DA_Q_NO_PREVENT) == 0) {
4235 		if (bootverbose)
4236 			xpt_print(ccb->ccb_h.path,
4237 			    "PREVENT ALLOW MEDIUM REMOVAL not supported.\n");
4238 		softc->quirks |= DA_Q_NO_PREVENT;
4239 		return (0);
4240 	}
4241 
4242 	/* Detect unsupported SYNCHRONIZE CACHE(10). */
4243 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
4244 	    (*cdb == SYNCHRONIZE_CACHE) &&
4245 	    (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
4246 		if (bootverbose)
4247 			xpt_print(ccb->ccb_h.path,
4248 			    "SYNCHRONIZE CACHE(10) not supported.\n");
4249 		softc->quirks |= DA_Q_NO_SYNC_CACHE;
4250 		softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE;
4251 		return (0);
4252 	}
4253 
4254 	/* Translation only possible if CDB is an array and cmd is R/W6 */
4255 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
4256 	    (*cdb != READ_6 && *cdb != WRITE_6))
4257 		return 0;
4258 
4259 	xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, "
4260 	    "increasing minimum_cmd_size to 10.\n");
4261 	softc->minimum_cmd_size = 10;
4262 
4263 	bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
4264 	cmd10 = (struct scsi_rw_10 *)cdb;
4265 	cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
4266 	cmd10->byte2 = 0;
4267 	scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
4268 	cmd10->reserved = 0;
4269 	scsi_ulto2b(cmd6.length, cmd10->length);
4270 	cmd10->control = cmd6.control;
4271 	ccb->csio.cdb_len = sizeof(*cmd10);
4272 
4273 	/* Requeue request, unfreezing queue if necessary */
4274 	frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
4275 	ccb->ccb_h.status = CAM_REQUEUE_REQ;
4276 	xpt_action(ccb);
4277 	if (frozen) {
4278 		cam_release_devq(ccb->ccb_h.path,
4279 				 /*relsim_flags*/0,
4280 				 /*reduction*/0,
4281 				 /*timeout*/0,
4282 				 /*getcount_only*/0);
4283 	}
4284 	return (ERESTART);
4285 }
4286 
4287 static void
4288 dazonedone(struct cam_periph *periph, union ccb *ccb)
4289 {
4290 	struct da_softc *softc;
4291 	struct bio *bp;
4292 
4293 	softc = periph->softc;
4294 	bp = (struct bio *)ccb->ccb_h.ccb_bp;
4295 
4296 	switch (bp->bio_zone.zone_cmd) {
4297 	case DISK_ZONE_OPEN:
4298 	case DISK_ZONE_CLOSE:
4299 	case DISK_ZONE_FINISH:
4300 	case DISK_ZONE_RWP:
4301 		break;
4302 	case DISK_ZONE_REPORT_ZONES: {
4303 		uint32_t avail_len;
4304 		struct disk_zone_report *rep;
4305 		struct scsi_report_zones_hdr *hdr;
4306 		struct scsi_report_zones_desc *desc;
4307 		struct disk_zone_rep_entry *entry;
4308 		uint32_t hdr_len, num_avail;
4309 		uint32_t num_to_fill, i;
4310 		int ata;
4311 
4312 		rep = &bp->bio_zone.zone_params.report;
4313 		avail_len = ccb->csio.dxfer_len - ccb->csio.resid;
4314 		/*
4315 		 * Note that bio_resid isn't normally used for zone
4316 		 * commands, but it is used by devstat_end_transaction_bio()
4317 		 * to determine how much data was transferred.  Because
4318 		 * the size of the SCSI/ATA data structures is different
4319 		 * than the size of the BIO interface structures, the
4320 		 * amount of data actually transferred from the drive will
4321 		 * be different than the amount of data transferred to
4322 		 * the user.
4323 		 */
4324 		bp->bio_resid = ccb->csio.resid;
4325 		hdr = (struct scsi_report_zones_hdr *)ccb->csio.data_ptr;
4326 		if (avail_len < sizeof(*hdr)) {
4327 			/*
4328 			 * Is there a better error than EIO here?  We asked
4329 			 * for at least the header, and we got less than
4330 			 * that.
4331 			 */
4332 			bp->bio_error = EIO;
4333 			bp->bio_flags |= BIO_ERROR;
4334 			bp->bio_resid = bp->bio_bcount;
4335 			break;
4336 		}
4337 
4338 		if (softc->zone_interface == DA_ZONE_IF_ATA_PASS)
4339 			ata = 1;
4340 		else
4341 			ata = 0;
4342 
4343 		hdr_len = ata ? le32dec(hdr->length) :
4344 				scsi_4btoul(hdr->length);
4345 		if (hdr_len > 0)
4346 			rep->entries_available = hdr_len / sizeof(*desc);
4347 		else
4348 			rep->entries_available = 0;
4349 		/*
4350 		 * NOTE: using the same values for the BIO version of the
4351 		 * same field as the SCSI/ATA values.  This means we could
4352 		 * get some additional values that aren't defined in bio.h
4353 		 * if more values of the same field are defined later.
4354 		 */
4355 		rep->header.same = hdr->byte4 & SRZ_SAME_MASK;
4356 		rep->header.maximum_lba = ata ?  le64dec(hdr->maximum_lba) :
4357 					  scsi_8btou64(hdr->maximum_lba);
4358 		/*
4359 		 * If the drive reports no entries that match the query,
4360 		 * we're done.
4361 		 */
4362 		if (hdr_len == 0) {
4363 			rep->entries_filled = 0;
4364 			break;
4365 		}
4366 
4367 		num_avail = min((avail_len - sizeof(*hdr)) / sizeof(*desc),
4368 				hdr_len / sizeof(*desc));
4369 		/*
4370 		 * If the drive didn't return any data, then we're done.
4371 		 */
4372 		if (num_avail == 0) {
4373 			rep->entries_filled = 0;
4374 			break;
4375 		}
4376 
4377 		num_to_fill = min(num_avail, rep->entries_allocated);
4378 		/*
4379 		 * If the user didn't allocate any entries for us to fill,
4380 		 * we're done.
4381 		 */
4382 		if (num_to_fill == 0) {
4383 			rep->entries_filled = 0;
4384 			break;
4385 		}
4386 
4387 		for (i = 0, desc = &hdr->desc_list[0], entry=&rep->entries[0];
4388 		     i < num_to_fill; i++, desc++, entry++) {
4389 			/*
4390 			 * NOTE: we're mapping the values here directly
4391 			 * from the SCSI/ATA bit definitions to the bio.h
4392 			 * definitons.  There is also a warning in
4393 			 * disk_zone.h, but the impact is that if
4394 			 * additional values are added in the SCSI/ATA
4395 			 * specs these will be visible to consumers of
4396 			 * this interface.
4397 			 */
4398 			entry->zone_type = desc->zone_type & SRZ_TYPE_MASK;
4399 			entry->zone_condition =
4400 			    (desc->zone_flags & SRZ_ZONE_COND_MASK) >>
4401 			    SRZ_ZONE_COND_SHIFT;
4402 			entry->zone_flags |= desc->zone_flags &
4403 			    (SRZ_ZONE_NON_SEQ|SRZ_ZONE_RESET);
4404 			entry->zone_length =
4405 			    ata ? le64dec(desc->zone_length) :
4406 				  scsi_8btou64(desc->zone_length);
4407 			entry->zone_start_lba =
4408 			    ata ? le64dec(desc->zone_start_lba) :
4409 				  scsi_8btou64(desc->zone_start_lba);
4410 			entry->write_pointer_lba =
4411 			    ata ? le64dec(desc->write_pointer_lba) :
4412 				  scsi_8btou64(desc->write_pointer_lba);
4413 		}
4414 		rep->entries_filled = num_to_fill;
4415 		break;
4416 	}
4417 	case DISK_ZONE_GET_PARAMS:
4418 	default:
4419 		/*
4420 		 * In theory we should not get a GET_PARAMS bio, since it
4421 		 * should be handled without queueing the command to the
4422 		 * drive.
4423 		 */
4424 		panic("%s: Invalid zone command %d", __func__,
4425 		    bp->bio_zone.zone_cmd);
4426 		break;
4427 	}
4428 
4429 	if (bp->bio_zone.zone_cmd == DISK_ZONE_REPORT_ZONES)
4430 		free(ccb->csio.data_ptr, M_SCSIDA);
4431 }
4432 
4433 static void
4434 dadone(struct cam_periph *periph, union ccb *done_ccb)
4435 {
4436 	struct bio *bp, *bp1;
4437 	struct da_softc *softc;
4438 	struct ccb_scsiio *csio;
4439 	u_int32_t  priority;
4440 	da_ccb_state state;
4441 
4442 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n"));
4443 
4444 	softc = (struct da_softc *)periph->softc;
4445 	priority = done_ccb->ccb_h.pinfo.priority;
4446 	csio = &done_ccb->csio;
4447 
4448 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
4449 	if (csio->bio != NULL)
4450 		biotrack(csio->bio, __func__);
4451 #endif
4452 	state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
4453 
4454 	cam_periph_lock(periph);
4455 	bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
4456 	if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
4457 		int error;
4458 		int sf;
4459 
4460 		if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
4461 			sf = SF_RETRY_UA;
4462 		else
4463 			sf = 0;
4464 
4465 		error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
4466 		if (error == ERESTART) {
4467 			/* A retry was scheduled, so just return. */
4468 			cam_periph_unlock(periph);
4469 			return;
4470 		}
4471 		bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
4472 		if (error != 0) {
4473 			int queued_error;
4474 
4475 			/*
4476 			 * return all queued I/O with EIO, so that
4477 			 * the client can retry these I/Os in the
4478 			 * proper order should it attempt to recover.
4479 			 */
4480 			queued_error = EIO;
4481 
4482 			if (error == ENXIO
4483 			 && (softc->flags & DA_FLAG_PACK_INVALID)== 0) {
4484 				/*
4485 				 * Catastrophic error.  Mark our pack as
4486 				 * invalid.
4487 				 *
4488 				 * XXX See if this is really a media
4489 				 * XXX change first?
4490 				 */
4491 				xpt_print(periph->path, "Invalidating pack\n");
4492 				softc->flags |= DA_FLAG_PACK_INVALID;
4493 #ifdef CAM_IO_STATS
4494 				softc->invalidations++;
4495 #endif
4496 				queued_error = ENXIO;
4497 			}
4498 			cam_iosched_flush(softc->cam_iosched, NULL,
4499 			   queued_error);
4500 			if (bp != NULL) {
4501 				bp->bio_error = error;
4502 				bp->bio_resid = bp->bio_bcount;
4503 				bp->bio_flags |= BIO_ERROR;
4504 			}
4505 		} else if (bp != NULL) {
4506 			if (state == DA_CCB_DELETE)
4507 				bp->bio_resid = 0;
4508 			else
4509 				bp->bio_resid = csio->resid;
4510 			bp->bio_error = 0;
4511 			if (bp->bio_resid != 0)
4512 				bp->bio_flags |= BIO_ERROR;
4513 		}
4514 		if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
4515 			cam_release_devq(done_ccb->ccb_h.path,
4516 					 /*relsim_flags*/0,
4517 					 /*reduction*/0,
4518 					 /*timeout*/0,
4519 					 /*getcount_only*/0);
4520 	} else if (bp != NULL) {
4521 		if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
4522 			panic("REQ_CMP with QFRZN");
4523 		if (bp->bio_cmd == BIO_ZONE)
4524 			dazonedone(periph, done_ccb);
4525 		else if (state == DA_CCB_DELETE)
4526 			bp->bio_resid = 0;
4527 		else
4528 			bp->bio_resid = csio->resid;
4529 		if ((csio->resid > 0) && (bp->bio_cmd != BIO_ZONE))
4530 			bp->bio_flags |= BIO_ERROR;
4531 		if (softc->error_inject != 0) {
4532 			bp->bio_error = softc->error_inject;
4533 			bp->bio_resid = bp->bio_bcount;
4534 			bp->bio_flags |= BIO_ERROR;
4535 			softc->error_inject = 0;
4536 		}
4537 	}
4538 
4539 	if (bp != NULL)
4540 		biotrack(bp, __func__);
4541 	LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
4542 	if (LIST_EMPTY(&softc->pending_ccbs))
4543 		softc->flags |= DA_FLAG_WAS_OTAG;
4544 
4545 	/*
4546 	 * We need to call cam_iosched before we call biodone so that we don't
4547 	 * measure any activity that happens in the completion routine, which in
4548 	 * the case of sendfile can be quite extensive. Release the periph
4549 	 * refcount taken in dastart() for each CCB.
4550 	 */
4551 	cam_iosched_bio_complete(softc->cam_iosched, bp, done_ccb);
4552 	xpt_release_ccb(done_ccb);
4553 	KASSERT(softc->refcount >= 1, ("dadone softc %p refcount %d", softc, softc->refcount));
4554 	softc->refcount--;
4555 	if (state == DA_CCB_DELETE) {
4556 		TAILQ_HEAD(, bio) queue;
4557 
4558 		TAILQ_INIT(&queue);
4559 		TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue);
4560 		softc->delete_run_queue.insert_point = NULL;
4561 		/*
4562 		 * Normally, the xpt_release_ccb() above would make sure
4563 		 * that when we have more work to do, that work would
4564 		 * get kicked off. However, we specifically keep
4565 		 * delete_running set to 0 before the call above to
4566 		 * allow other I/O to progress when many BIO_DELETE
4567 		 * requests are pushed down. We set delete_running to 0
4568 		 * and call daschedule again so that we don't stall if
4569 		 * there are no other I/Os pending apart from BIO_DELETEs.
4570 		 */
4571 		cam_iosched_trim_done(softc->cam_iosched);
4572 		daschedule(periph);
4573 		cam_periph_unlock(periph);
4574 		while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
4575 			TAILQ_REMOVE(&queue, bp1, bio_queue);
4576 			bp1->bio_error = bp->bio_error;
4577 			if (bp->bio_flags & BIO_ERROR) {
4578 				bp1->bio_flags |= BIO_ERROR;
4579 				bp1->bio_resid = bp1->bio_bcount;
4580 			} else
4581 				bp1->bio_resid = 0;
4582 			biodone(bp1);
4583 		}
4584 	} else {
4585 		daschedule(periph);
4586 		cam_periph_unlock(periph);
4587 	}
4588 	if (bp != NULL)
4589 		biodone(bp);
4590 	return;
4591 }
4592 
4593 static void
4594 dadone_probewp(struct cam_periph *periph, union ccb *done_ccb)
4595 {
4596 	struct scsi_mode_header_6 *mode_hdr6;
4597 	struct scsi_mode_header_10 *mode_hdr10;
4598 	struct da_softc *softc;
4599 	struct ccb_scsiio *csio;
4600 	u_int32_t  priority;
4601 	uint8_t dev_spec;
4602 
4603 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probewp\n"));
4604 
4605 	softc = (struct da_softc *)periph->softc;
4606 	priority = done_ccb->ccb_h.pinfo.priority;
4607 	csio = &done_ccb->csio;
4608 
4609 	cam_periph_assert(periph, MA_OWNED);
4610 
4611 	if (softc->minimum_cmd_size > 6) {
4612 		mode_hdr10 = (struct scsi_mode_header_10 *)csio->data_ptr;
4613 		dev_spec = mode_hdr10->dev_spec;
4614 	} else {
4615 		mode_hdr6 = (struct scsi_mode_header_6 *)csio->data_ptr;
4616 		dev_spec = mode_hdr6->dev_spec;
4617 	}
4618 	if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) {
4619 		if ((dev_spec & 0x80) != 0)
4620 			softc->disk->d_flags |= DISKFLAG_WRITE_PROTECT;
4621 		else
4622 			softc->disk->d_flags &= ~DISKFLAG_WRITE_PROTECT;
4623 	} else {
4624 		int error;
4625 
4626 		error = daerror(done_ccb, CAM_RETRY_SELTO,
4627 				SF_RETRY_UA|SF_NO_PRINT);
4628 		if (error == ERESTART)
4629 			return;
4630 		else if (error != 0) {
4631 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4632 				/* Don't wedge this device's queue */
4633 				cam_release_devq(done_ccb->ccb_h.path,
4634 						 /*relsim_flags*/0,
4635 						 /*reduction*/0,
4636 						 /*timeout*/0,
4637 						 /*getcount_only*/0);
4638 			}
4639 		}
4640 	}
4641 
4642 	free(csio->data_ptr, M_SCSIDA);
4643 	xpt_release_ccb(done_ccb);
4644 	if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
4645 		softc->state = DA_STATE_PROBE_RC16;
4646 	else
4647 		softc->state = DA_STATE_PROBE_RC;
4648 	xpt_schedule(periph, priority);
4649 	return;
4650 }
4651 
4652 static void
4653 dadone_proberc(struct cam_periph *periph, union ccb *done_ccb)
4654 {
4655 	struct scsi_read_capacity_data *rdcap;
4656 	struct scsi_read_capacity_data_long *rcaplong;
4657 	struct da_softc *softc;
4658 	struct ccb_scsiio *csio;
4659 	da_ccb_state state;
4660 	char *announce_buf;
4661 	u_int32_t  priority;
4662 	int lbp, n;
4663 
4664 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_proberc\n"));
4665 
4666 	softc = (struct da_softc *)periph->softc;
4667 	priority = done_ccb->ccb_h.pinfo.priority;
4668 	csio = &done_ccb->csio;
4669 	state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
4670 
4671 	lbp = 0;
4672 	rdcap = NULL;
4673 	rcaplong = NULL;
4674 	/* XXX TODO: can this be a malloc? */
4675 	announce_buf = softc->announce_temp;
4676 	bzero(announce_buf, DA_ANNOUNCETMP_SZ);
4677 
4678 	if (state == DA_CCB_PROBE_RC)
4679 		rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
4680 	else
4681 		rcaplong = (struct scsi_read_capacity_data_long *)
4682 			csio->data_ptr;
4683 
4684 	cam_periph_assert(periph, MA_OWNED);
4685 
4686 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4687 		struct disk_params *dp;
4688 		uint32_t block_size;
4689 		uint64_t maxsector;
4690 		u_int lalba;	/* Lowest aligned LBA. */
4691 
4692 		if (state == DA_CCB_PROBE_RC) {
4693 			block_size = scsi_4btoul(rdcap->length);
4694 			maxsector = scsi_4btoul(rdcap->addr);
4695 			lalba = 0;
4696 
4697 			/*
4698 			 * According to SBC-2, if the standard 10
4699 			 * byte READ CAPACITY command returns 2^32,
4700 			 * we should issue the 16 byte version of
4701 			 * the command, since the device in question
4702 			 * has more sectors than can be represented
4703 			 * with the short version of the command.
4704 			 */
4705 			if (maxsector == 0xffffffff) {
4706 				free(rdcap, M_SCSIDA);
4707 				xpt_release_ccb(done_ccb);
4708 				softc->state = DA_STATE_PROBE_RC16;
4709 				xpt_schedule(periph, priority);
4710 				return;
4711 			}
4712 		} else {
4713 			block_size = scsi_4btoul(rcaplong->length);
4714 			maxsector = scsi_8btou64(rcaplong->addr);
4715 			lalba = scsi_2btoul(rcaplong->lalba_lbp);
4716 		}
4717 
4718 		/*
4719 		 * Because GEOM code just will panic us if we
4720 		 * give them an 'illegal' value we'll avoid that
4721 		 * here.
4722 		 */
4723 		if (block_size == 0) {
4724 			block_size = 512;
4725 			if (maxsector == 0)
4726 				maxsector = -1;
4727 		}
4728 		if (block_size >= MAXPHYS) {
4729 			xpt_print(periph->path,
4730 			    "unsupportable block size %ju\n",
4731 			    (uintmax_t) block_size);
4732 			announce_buf = NULL;
4733 			cam_periph_invalidate(periph);
4734 		} else {
4735 			/*
4736 			 * We pass rcaplong into dasetgeom(),
4737 			 * because it will only use it if it is
4738 			 * non-NULL.
4739 			 */
4740 			dasetgeom(periph, block_size, maxsector,
4741 				  rcaplong, sizeof(*rcaplong));
4742 			lbp = (lalba & SRC16_LBPME_A);
4743 			dp = &softc->params;
4744 			n = snprintf(announce_buf, DA_ANNOUNCETMP_SZ,
4745 			    "%juMB (%ju %u byte sectors",
4746 			    ((uintmax_t)dp->secsize * dp->sectors) /
4747 			     (1024 * 1024),
4748 			    (uintmax_t)dp->sectors, dp->secsize);
4749 			if (softc->p_type != 0) {
4750 				n += snprintf(announce_buf + n,
4751 				    DA_ANNOUNCETMP_SZ - n,
4752 				    ", DIF type %d", softc->p_type);
4753 			}
4754 			snprintf(announce_buf + n, DA_ANNOUNCETMP_SZ - n, ")");
4755 		}
4756 	} else {
4757 		int error;
4758 
4759 		/*
4760 		 * Retry any UNIT ATTENTION type errors.  They
4761 		 * are expected at boot.
4762 		 */
4763 		error = daerror(done_ccb, CAM_RETRY_SELTO,
4764 				SF_RETRY_UA|SF_NO_PRINT);
4765 		if (error == ERESTART) {
4766 			/*
4767 			 * A retry was scheuled, so
4768 			 * just return.
4769 			 */
4770 			return;
4771 		} else if (error != 0) {
4772 			int asc, ascq;
4773 			int sense_key, error_code;
4774 			int have_sense;
4775 			cam_status status;
4776 			struct ccb_getdev cgd;
4777 
4778 			/* Don't wedge this device's queue */
4779 			status = done_ccb->ccb_h.status;
4780 			if ((status & CAM_DEV_QFRZN) != 0)
4781 				cam_release_devq(done_ccb->ccb_h.path,
4782 						 /*relsim_flags*/0,
4783 						 /*reduction*/0,
4784 						 /*timeout*/0,
4785 						 /*getcount_only*/0);
4786 
4787 
4788 			xpt_setup_ccb(&cgd.ccb_h, done_ccb->ccb_h.path,
4789 				      CAM_PRIORITY_NORMAL);
4790 			cgd.ccb_h.func_code = XPT_GDEV_TYPE;
4791 			xpt_action((union ccb *)&cgd);
4792 
4793 			if (scsi_extract_sense_ccb(done_ccb,
4794 			    &error_code, &sense_key, &asc, &ascq))
4795 				have_sense = TRUE;
4796 			else
4797 				have_sense = FALSE;
4798 
4799 			/*
4800 			 * If we tried READ CAPACITY(16) and failed,
4801 			 * fallback to READ CAPACITY(10).
4802 			 */
4803 			if ((state == DA_CCB_PROBE_RC16) &&
4804 			    (softc->flags & DA_FLAG_CAN_RC16) &&
4805 			    (((csio->ccb_h.status & CAM_STATUS_MASK) ==
4806 				CAM_REQ_INVALID) ||
4807 			     ((have_sense) &&
4808 			      (error_code == SSD_CURRENT_ERROR ||
4809 			       error_code == SSD_DESC_CURRENT_ERROR) &&
4810 			      (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
4811 				cam_periph_assert(periph, MA_OWNED);
4812 				softc->flags &= ~DA_FLAG_CAN_RC16;
4813 				free(rdcap, M_SCSIDA);
4814 				xpt_release_ccb(done_ccb);
4815 				softc->state = DA_STATE_PROBE_RC;
4816 				xpt_schedule(periph, priority);
4817 				return;
4818 			}
4819 
4820 			/*
4821 			 * Attach to anything that claims to be a
4822 			 * direct access or optical disk device,
4823 			 * as long as it doesn't return a "Logical
4824 			 * unit not supported" (0x25) error.
4825 			 * "Internal Target Failure" (0x44) is also
4826 			 * special and typically means that the
4827 			 * device is a SATA drive behind a SATL
4828 			 * translation that's fallen into a
4829 			 * terminally fatal state.
4830 			 */
4831 			if ((have_sense)
4832 			 && (asc != 0x25) && (asc != 0x44)
4833 			 && (error_code == SSD_CURRENT_ERROR
4834 			  || error_code == SSD_DESC_CURRENT_ERROR)) {
4835 				const char *sense_key_desc;
4836 				const char *asc_desc;
4837 
4838 				dasetgeom(periph, 512, -1, NULL, 0);
4839 				scsi_sense_desc(sense_key, asc, ascq,
4840 						&cgd.inq_data, &sense_key_desc,
4841 						&asc_desc);
4842 				snprintf(announce_buf, DA_ANNOUNCETMP_SZ,
4843 				    "Attempt to query device "
4844 				    "size failed: %s, %s",
4845 				    sense_key_desc, asc_desc);
4846 			} else {
4847 				if (have_sense)
4848 					scsi_sense_print(&done_ccb->csio);
4849 				else {
4850 					xpt_print(periph->path,
4851 					    "got CAM status %#x\n",
4852 					    done_ccb->ccb_h.status);
4853 				}
4854 
4855 				xpt_print(periph->path, "fatal error, "
4856 				    "failed to attach to device\n");
4857 
4858 				announce_buf = NULL;
4859 
4860 				/*
4861 				 * Free up resources.
4862 				 */
4863 				cam_periph_invalidate(periph);
4864 			}
4865 		}
4866 	}
4867 	free(csio->data_ptr, M_SCSIDA);
4868 	if (announce_buf != NULL &&
4869 	    ((softc->flags & DA_FLAG_ANNOUNCED) == 0)) {
4870 		struct sbuf sb;
4871 
4872 		sbuf_new(&sb, softc->announcebuf, DA_ANNOUNCE_SZ,
4873 		    SBUF_FIXEDLEN);
4874 		xpt_announce_periph_sbuf(periph, &sb, announce_buf);
4875 		xpt_announce_quirks_sbuf(periph, &sb, softc->quirks,
4876 		    DA_Q_BIT_STRING);
4877 		sbuf_finish(&sb);
4878 		sbuf_putbuf(&sb);
4879 
4880 		/*
4881 		 * Create our sysctl variables, now that we know
4882 		 * we have successfully attached.
4883 		 */
4884 		/* increase the refcount */
4885 		if (da_periph_acquire(periph, DA_REF_SYSCTL) == 0) {
4886 			taskqueue_enqueue(taskqueue_thread,
4887 					  &softc->sysctl_task);
4888 		} else {
4889 			/* XXX This message is useless! */
4890 			xpt_print(periph->path, "fatal error, "
4891 			    "could not acquire reference count\n");
4892 		}
4893 	}
4894 
4895 	/* We already probed the device. */
4896 	if (softc->flags & DA_FLAG_PROBED) {
4897 		daprobedone(periph, done_ccb);
4898 		return;
4899 	}
4900 
4901 	/* Ensure re-probe doesn't see old delete. */
4902 	softc->delete_available = 0;
4903 	dadeleteflag(softc, DA_DELETE_ZERO, 1);
4904 	if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) {
4905 		/*
4906 		 * Based on older SBC-3 spec revisions
4907 		 * any of the UNMAP methods "may" be
4908 		 * available via LBP given this flag so
4909 		 * we flag all of them as available and
4910 		 * then remove those which further
4911 		 * probes confirm aren't available
4912 		 * later.
4913 		 *
4914 		 * We could also check readcap(16) p_type
4915 		 * flag to exclude one or more invalid
4916 		 * write same (X) types here
4917 		 */
4918 		dadeleteflag(softc, DA_DELETE_WS16, 1);
4919 		dadeleteflag(softc, DA_DELETE_WS10, 1);
4920 		dadeleteflag(softc, DA_DELETE_UNMAP, 1);
4921 
4922 		xpt_release_ccb(done_ccb);
4923 		softc->state = DA_STATE_PROBE_LBP;
4924 		xpt_schedule(periph, priority);
4925 		return;
4926 	}
4927 
4928 	xpt_release_ccb(done_ccb);
4929 	softc->state = DA_STATE_PROBE_BDC;
4930 	xpt_schedule(periph, priority);
4931 	return;
4932 }
4933 
4934 static void
4935 dadone_probelbp(struct cam_periph *periph, union ccb *done_ccb)
4936 {
4937 	struct scsi_vpd_logical_block_prov *lbp;
4938 	struct da_softc *softc;
4939 	struct ccb_scsiio *csio;
4940 	u_int32_t  priority;
4941 
4942 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probelbp\n"));
4943 
4944 	softc = (struct da_softc *)periph->softc;
4945 	priority = done_ccb->ccb_h.pinfo.priority;
4946 	csio = &done_ccb->csio;
4947 	lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr;
4948 
4949 	cam_periph_assert(periph, MA_OWNED);
4950 
4951 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4952 		/*
4953 		 * T10/1799-D Revision 31 states at least one of these
4954 		 * must be supported but we don't currently enforce this.
4955 		 */
4956 		dadeleteflag(softc, DA_DELETE_WS16,
4957 		     (lbp->flags & SVPD_LBP_WS16));
4958 		dadeleteflag(softc, DA_DELETE_WS10,
4959 			     (lbp->flags & SVPD_LBP_WS10));
4960 		dadeleteflag(softc, DA_DELETE_UNMAP,
4961 			     (lbp->flags & SVPD_LBP_UNMAP));
4962 	} else {
4963 		int error;
4964 		error = daerror(done_ccb, CAM_RETRY_SELTO,
4965 				SF_RETRY_UA|SF_NO_PRINT);
4966 		if (error == ERESTART)
4967 			return;
4968 		else if (error != 0) {
4969 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4970 				/* Don't wedge this device's queue */
4971 				cam_release_devq(done_ccb->ccb_h.path,
4972 						 /*relsim_flags*/0,
4973 						 /*reduction*/0,
4974 						 /*timeout*/0,
4975 						 /*getcount_only*/0);
4976 			}
4977 
4978 			/*
4979 			 * Failure indicates we don't support any SBC-3
4980 			 * delete methods with UNMAP
4981 			 */
4982 		}
4983 	}
4984 
4985 	free(lbp, M_SCSIDA);
4986 	xpt_release_ccb(done_ccb);
4987 	softc->state = DA_STATE_PROBE_BLK_LIMITS;
4988 	xpt_schedule(periph, priority);
4989 	return;
4990 }
4991 
4992 static void
4993 dadone_probeblklimits(struct cam_periph *periph, union ccb *done_ccb)
4994 {
4995 	struct scsi_vpd_block_limits *block_limits;
4996 	struct da_softc *softc;
4997 	struct ccb_scsiio *csio;
4998 	u_int32_t  priority;
4999 
5000 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeblklimits\n"));
5001 
5002 	softc = (struct da_softc *)periph->softc;
5003 	priority = done_ccb->ccb_h.pinfo.priority;
5004 	csio = &done_ccb->csio;
5005 	block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr;
5006 
5007 	cam_periph_assert(periph, MA_OWNED);
5008 
5009 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5010 		uint32_t max_txfer_len = scsi_4btoul(
5011 			block_limits->max_txfer_len);
5012 		uint32_t max_unmap_lba_cnt = scsi_4btoul(
5013 			block_limits->max_unmap_lba_cnt);
5014 		uint32_t max_unmap_blk_cnt = scsi_4btoul(
5015 			block_limits->max_unmap_blk_cnt);
5016 		uint32_t unmap_gran = scsi_4btoul(
5017 			block_limits->opt_unmap_grain);
5018 		uint32_t unmap_gran_align = scsi_4btoul(
5019 			block_limits->unmap_grain_align);
5020 		uint64_t ws_max_blks = scsi_8btou64(
5021 			block_limits->max_write_same_length);
5022 
5023 		if (max_txfer_len != 0) {
5024 			softc->disk->d_maxsize = MIN(softc->maxio,
5025 			    (off_t)max_txfer_len * softc->params.secsize);
5026 		}
5027 
5028 		/*
5029 		 * We should already support UNMAP but we check lba
5030 		 * and block count to be sure
5031 		 */
5032 		if (max_unmap_lba_cnt != 0x00L &&
5033 		    max_unmap_blk_cnt != 0x00L) {
5034 			softc->unmap_max_lba = max_unmap_lba_cnt;
5035 			softc->unmap_max_ranges = min(max_unmap_blk_cnt,
5036 				UNMAP_MAX_RANGES);
5037 			if (unmap_gran > 1) {
5038 				softc->unmap_gran = unmap_gran;
5039 				if (unmap_gran_align & 0x80000000) {
5040 					softc->unmap_gran_align =
5041 					    unmap_gran_align & 0x7fffffff;
5042 				}
5043 			}
5044 		} else {
5045 			/*
5046 			 * Unexpected UNMAP limits which means the
5047 			 * device doesn't actually support UNMAP
5048 			 */
5049 			dadeleteflag(softc, DA_DELETE_UNMAP, 0);
5050 		}
5051 
5052 		if (ws_max_blks != 0x00L)
5053 			softc->ws_max_blks = ws_max_blks;
5054 	} else {
5055 		int error;
5056 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5057 				SF_RETRY_UA|SF_NO_PRINT);
5058 		if (error == ERESTART)
5059 			return;
5060 		else if (error != 0) {
5061 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5062 				/* Don't wedge this device's queue */
5063 				cam_release_devq(done_ccb->ccb_h.path,
5064 						 /*relsim_flags*/0,
5065 						 /*reduction*/0,
5066 						 /*timeout*/0,
5067 						 /*getcount_only*/0);
5068 			}
5069 
5070 			/*
5071 			 * Failure here doesn't mean UNMAP is not
5072 			 * supported as this is an optional page.
5073 			 */
5074 			softc->unmap_max_lba = 1;
5075 			softc->unmap_max_ranges = 1;
5076 		}
5077 	}
5078 
5079 	free(block_limits, M_SCSIDA);
5080 	xpt_release_ccb(done_ccb);
5081 	softc->state = DA_STATE_PROBE_BDC;
5082 	xpt_schedule(periph, priority);
5083 	return;
5084 }
5085 
5086 static void
5087 dadone_probebdc(struct cam_periph *periph, union ccb *done_ccb)
5088 {
5089 	struct scsi_vpd_block_device_characteristics *bdc;
5090 	struct da_softc *softc;
5091 	struct ccb_scsiio *csio;
5092 	u_int32_t  priority;
5093 
5094 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probebdc\n"));
5095 
5096 	softc = (struct da_softc *)periph->softc;
5097 	priority = done_ccb->ccb_h.pinfo.priority;
5098 	csio = &done_ccb->csio;
5099 	bdc = (struct scsi_vpd_block_device_characteristics *)csio->data_ptr;
5100 
5101 	cam_periph_assert(periph, MA_OWNED);
5102 
5103 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5104 		uint32_t valid_len;
5105 
5106 		/*
5107 		 * Disable queue sorting for non-rotational media
5108 		 * by default.
5109 		 */
5110 		u_int16_t old_rate = softc->disk->d_rotation_rate;
5111 
5112 		valid_len = csio->dxfer_len - csio->resid;
5113 		if (SBDC_IS_PRESENT(bdc, valid_len,
5114 		    medium_rotation_rate)) {
5115 			softc->disk->d_rotation_rate =
5116 				scsi_2btoul(bdc->medium_rotation_rate);
5117 			if (softc->disk->d_rotation_rate ==
5118 			    SVPD_BDC_RATE_NON_ROTATING) {
5119 				cam_iosched_set_sort_queue(
5120 				    softc->cam_iosched, 0);
5121 				softc->rotating = 0;
5122 			}
5123 			if (softc->disk->d_rotation_rate != old_rate) {
5124 				disk_attr_changed(softc->disk,
5125 				    "GEOM::rotation_rate", M_NOWAIT);
5126 			}
5127 		}
5128 		if ((SBDC_IS_PRESENT(bdc, valid_len, flags))
5129 		 && (softc->zone_mode == DA_ZONE_NONE)) {
5130 			int ata_proto;
5131 
5132 			if (scsi_vpd_supported_page(periph,
5133 			    SVPD_ATA_INFORMATION))
5134 				ata_proto = 1;
5135 			else
5136 				ata_proto = 0;
5137 
5138 			/*
5139 			 * The Zoned field will only be set for
5140 			 * Drive Managed and Host Aware drives.  If
5141 			 * they are Host Managed, the device type
5142 			 * in the standard INQUIRY data should be
5143 			 * set to T_ZBC_HM (0x14).
5144 			 */
5145 			if ((bdc->flags & SVPD_ZBC_MASK) ==
5146 			     SVPD_HAW_ZBC) {
5147 				softc->zone_mode = DA_ZONE_HOST_AWARE;
5148 				softc->zone_interface = (ata_proto) ?
5149 				   DA_ZONE_IF_ATA_SAT : DA_ZONE_IF_SCSI;
5150 			} else if ((bdc->flags & SVPD_ZBC_MASK) ==
5151 			     SVPD_DM_ZBC) {
5152 				softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
5153 				softc->zone_interface = (ata_proto) ?
5154 				   DA_ZONE_IF_ATA_SAT : DA_ZONE_IF_SCSI;
5155 			} else if ((bdc->flags & SVPD_ZBC_MASK) !=
5156 				  SVPD_ZBC_NR) {
5157 				xpt_print(periph->path, "Unknown zoned "
5158 				    "type %#x",
5159 				    bdc->flags & SVPD_ZBC_MASK);
5160 			}
5161 		}
5162 	} else {
5163 		int error;
5164 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5165 				SF_RETRY_UA|SF_NO_PRINT);
5166 		if (error == ERESTART)
5167 			return;
5168 		else if (error != 0) {
5169 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5170 				/* Don't wedge this device's queue */
5171 				cam_release_devq(done_ccb->ccb_h.path,
5172 						 /*relsim_flags*/0,
5173 						 /*reduction*/0,
5174 						 /*timeout*/0,
5175 						 /*getcount_only*/0);
5176 			}
5177 		}
5178 	}
5179 
5180 	free(bdc, M_SCSIDA);
5181 	xpt_release_ccb(done_ccb);
5182 	softc->state = DA_STATE_PROBE_ATA;
5183 	xpt_schedule(periph, priority);
5184 	return;
5185 }
5186 
5187 static void
5188 dadone_probeata(struct cam_periph *periph, union ccb *done_ccb)
5189 {
5190 	struct ata_params *ata_params;
5191 	struct ccb_scsiio *csio;
5192 	struct da_softc *softc;
5193 	u_int32_t  priority;
5194 	int continue_probe;
5195 	int error, i;
5196 	int16_t *ptr;
5197 
5198 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeata\n"));
5199 
5200 	softc = (struct da_softc *)periph->softc;
5201 	priority = done_ccb->ccb_h.pinfo.priority;
5202 	csio = &done_ccb->csio;
5203 	ata_params = (struct ata_params *)csio->data_ptr;
5204 	ptr = (uint16_t *)ata_params;
5205 	continue_probe = 0;
5206 	error = 0;
5207 
5208 	cam_periph_assert(periph, MA_OWNED);
5209 
5210 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5211 		uint16_t old_rate;
5212 
5213 		for (i = 0; i < sizeof(*ata_params) / 2; i++)
5214 			ptr[i] = le16toh(ptr[i]);
5215 		if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM &&
5216 		    (softc->quirks & DA_Q_NO_UNMAP) == 0) {
5217 			dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1);
5218 			if (ata_params->max_dsm_blocks != 0)
5219 				softc->trim_max_ranges = min(
5220 				  softc->trim_max_ranges,
5221 				  ata_params->max_dsm_blocks *
5222 				  ATA_DSM_BLK_RANGES);
5223 		}
5224 		/*
5225 		 * Disable queue sorting for non-rotational media
5226 		 * by default.
5227 		 */
5228 		old_rate = softc->disk->d_rotation_rate;
5229 		softc->disk->d_rotation_rate = ata_params->media_rotation_rate;
5230 		if (softc->disk->d_rotation_rate == ATA_RATE_NON_ROTATING) {
5231 			cam_iosched_set_sort_queue(softc->cam_iosched, 0);
5232 			softc->rotating = 0;
5233 		}
5234 		if (softc->disk->d_rotation_rate != old_rate) {
5235 			disk_attr_changed(softc->disk,
5236 			    "GEOM::rotation_rate", M_NOWAIT);
5237 		}
5238 
5239 		cam_periph_assert(periph, MA_OWNED);
5240 		if (ata_params->capabilities1 & ATA_SUPPORT_DMA)
5241 			softc->flags |= DA_FLAG_CAN_ATA_DMA;
5242 
5243 		if (ata_params->support.extension & ATA_SUPPORT_GENLOG)
5244 			softc->flags |= DA_FLAG_CAN_ATA_LOG;
5245 
5246 		/*
5247 		 * At this point, if we have a SATA host aware drive,
5248 		 * we communicate via ATA passthrough unless the
5249 		 * SAT layer supports ZBC -> ZAC translation.  In
5250 		 * that case,
5251 		 *
5252 		 * XXX KDM figure out how to detect a host managed
5253 		 * SATA drive.
5254 		 */
5255 		if (softc->zone_mode == DA_ZONE_NONE) {
5256 			/*
5257 			 * Note that we don't override the zone
5258 			 * mode or interface if it has already been
5259 			 * set.  This is because it has either been
5260 			 * set as a quirk, or when we probed the
5261 			 * SCSI Block Device Characteristics page,
5262 			 * the zoned field was set.  The latter
5263 			 * means that the SAT layer supports ZBC to
5264 			 * ZAC translation, and we would prefer to
5265 			 * use that if it is available.
5266 			 */
5267 			if ((ata_params->support3 &
5268 			    ATA_SUPPORT_ZONE_MASK) ==
5269 			    ATA_SUPPORT_ZONE_HOST_AWARE) {
5270 				softc->zone_mode = DA_ZONE_HOST_AWARE;
5271 				softc->zone_interface =
5272 				    DA_ZONE_IF_ATA_PASS;
5273 			} else if ((ata_params->support3 &
5274 				    ATA_SUPPORT_ZONE_MASK) ==
5275 				    ATA_SUPPORT_ZONE_DEV_MANAGED) {
5276 				softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
5277 				softc->zone_interface = DA_ZONE_IF_ATA_PASS;
5278 			}
5279 		}
5280 
5281 	} else {
5282 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5283 				SF_RETRY_UA|SF_NO_PRINT);
5284 		if (error == ERESTART)
5285 			return;
5286 		else if (error != 0) {
5287 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5288 				/* Don't wedge this device's queue */
5289 				cam_release_devq(done_ccb->ccb_h.path,
5290 						 /*relsim_flags*/0,
5291 						 /*reduction*/0,
5292 						 /*timeout*/0,
5293 						 /*getcount_only*/0);
5294 			}
5295 		}
5296 	}
5297 
5298 	free(ata_params, M_SCSIDA);
5299 	if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
5300 	 || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
5301 		/*
5302 		 * If the ATA IDENTIFY failed, we could be talking
5303 		 * to a SCSI drive, although that seems unlikely,
5304 		 * since the drive did report that it supported the
5305 		 * ATA Information VPD page.  If the ATA IDENTIFY
5306 		 * succeeded, and the SAT layer doesn't support
5307 		 * ZBC -> ZAC translation, continue on to get the
5308 		 * directory of ATA logs, and complete the rest of
5309 		 * the ZAC probe.  If the SAT layer does support
5310 		 * ZBC -> ZAC translation, we want to use that,
5311 		 * and we'll probe the SCSI Zoned Block Device
5312 		 * Characteristics VPD page next.
5313 		 */
5314 		if ((error == 0)
5315 		 && (softc->flags & DA_FLAG_CAN_ATA_LOG)
5316 		 && (softc->zone_interface == DA_ZONE_IF_ATA_PASS))
5317 			softc->state = DA_STATE_PROBE_ATA_LOGDIR;
5318 		else
5319 			softc->state = DA_STATE_PROBE_ZONE;
5320 		continue_probe = 1;
5321 	}
5322 	if (continue_probe != 0) {
5323 		xpt_release_ccb(done_ccb);
5324 		xpt_schedule(periph, priority);
5325 		return;
5326 	} else
5327 		daprobedone(periph, done_ccb);
5328 	return;
5329 }
5330 
5331 static void
5332 dadone_probeatalogdir(struct cam_periph *periph, union ccb *done_ccb)
5333 {
5334 	struct da_softc *softc;
5335 	struct ccb_scsiio *csio;
5336 	u_int32_t  priority;
5337 	int error;
5338 
5339 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatalogdir\n"));
5340 
5341 	softc = (struct da_softc *)periph->softc;
5342 	priority = done_ccb->ccb_h.pinfo.priority;
5343 	csio = &done_ccb->csio;
5344 
5345 	cam_periph_assert(periph, MA_OWNED);
5346 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5347 		error = 0;
5348 		softc->valid_logdir_len = 0;
5349 		bzero(&softc->ata_logdir, sizeof(softc->ata_logdir));
5350 		softc->valid_logdir_len = csio->dxfer_len - csio->resid;
5351 		if (softc->valid_logdir_len > 0)
5352 			bcopy(csio->data_ptr, &softc->ata_logdir,
5353 			    min(softc->valid_logdir_len,
5354 				sizeof(softc->ata_logdir)));
5355 		/*
5356 		 * Figure out whether the Identify Device log is
5357 		 * supported.  The General Purpose log directory
5358 		 * has a header, and lists the number of pages
5359 		 * available for each GP log identified by the
5360 		 * offset into the list.
5361 		 */
5362 		if ((softc->valid_logdir_len >=
5363 		    ((ATA_IDENTIFY_DATA_LOG + 1) * sizeof(uint16_t)))
5364 		 && (le16dec(softc->ata_logdir.header) ==
5365 		     ATA_GP_LOG_DIR_VERSION)
5366 		 && (le16dec(&softc->ata_logdir.num_pages[
5367 		     (ATA_IDENTIFY_DATA_LOG *
5368 		     sizeof(uint16_t)) - sizeof(uint16_t)]) > 0)){
5369 			softc->flags |= DA_FLAG_CAN_ATA_IDLOG;
5370 		} else {
5371 			softc->flags &= ~DA_FLAG_CAN_ATA_IDLOG;
5372 		}
5373 	} else {
5374 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5375 				SF_RETRY_UA|SF_NO_PRINT);
5376 		if (error == ERESTART)
5377 			return;
5378 		else if (error != 0) {
5379 			/*
5380 			 * If we can't get the ATA log directory,
5381 			 * then ATA logs are effectively not
5382 			 * supported even if the bit is set in the
5383 			 * identify data.
5384 			 */
5385 			softc->flags &= ~(DA_FLAG_CAN_ATA_LOG |
5386 					  DA_FLAG_CAN_ATA_IDLOG);
5387 			if ((done_ccb->ccb_h.status &
5388 			     CAM_DEV_QFRZN) != 0) {
5389 				/* Don't wedge this device's queue */
5390 				cam_release_devq(done_ccb->ccb_h.path,
5391 						 /*relsim_flags*/0,
5392 						 /*reduction*/0,
5393 						 /*timeout*/0,
5394 						 /*getcount_only*/0);
5395 			}
5396 		}
5397 	}
5398 
5399 	free(csio->data_ptr, M_SCSIDA);
5400 
5401 	if ((error == 0)
5402 	 && (softc->flags & DA_FLAG_CAN_ATA_IDLOG)) {
5403 		softc->state = DA_STATE_PROBE_ATA_IDDIR;
5404 		xpt_release_ccb(done_ccb);
5405 		xpt_schedule(periph, priority);
5406 		return;
5407 	}
5408 	daprobedone(periph, done_ccb);
5409 	return;
5410 }
5411 
5412 static void
5413 dadone_probeataiddir(struct cam_periph *periph, union ccb *done_ccb)
5414 {
5415 	struct da_softc *softc;
5416 	struct ccb_scsiio *csio;
5417 	u_int32_t  priority;
5418 	int error;
5419 
5420 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeataiddir\n"));
5421 
5422 	softc = (struct da_softc *)periph->softc;
5423 	priority = done_ccb->ccb_h.pinfo.priority;
5424 	csio = &done_ccb->csio;
5425 
5426 	cam_periph_assert(periph, MA_OWNED);
5427 
5428 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5429 		off_t entries_offset, max_entries;
5430 		error = 0;
5431 
5432 		softc->valid_iddir_len = 0;
5433 		bzero(&softc->ata_iddir, sizeof(softc->ata_iddir));
5434 		softc->flags &= ~(DA_FLAG_CAN_ATA_SUPCAP |
5435 				  DA_FLAG_CAN_ATA_ZONE);
5436 		softc->valid_iddir_len = csio->dxfer_len - csio->resid;
5437 		if (softc->valid_iddir_len > 0)
5438 			bcopy(csio->data_ptr, &softc->ata_iddir,
5439 			    min(softc->valid_iddir_len,
5440 				sizeof(softc->ata_iddir)));
5441 
5442 		entries_offset =
5443 		    __offsetof(struct ata_identify_log_pages,entries);
5444 		max_entries = softc->valid_iddir_len - entries_offset;
5445 		if ((softc->valid_iddir_len > (entries_offset + 1))
5446 		 && (le64dec(softc->ata_iddir.header) == ATA_IDLOG_REVISION)
5447 		 && (softc->ata_iddir.entry_count > 0)) {
5448 			int num_entries, i;
5449 
5450 			num_entries = softc->ata_iddir.entry_count;
5451 			num_entries = min(num_entries,
5452 			   softc->valid_iddir_len - entries_offset);
5453 			for (i = 0; i < num_entries && i < max_entries; i++) {
5454 				if (softc->ata_iddir.entries[i] ==
5455 				    ATA_IDL_SUP_CAP)
5456 					softc->flags |= DA_FLAG_CAN_ATA_SUPCAP;
5457 				else if (softc->ata_iddir.entries[i] ==
5458 					 ATA_IDL_ZDI)
5459 					softc->flags |= DA_FLAG_CAN_ATA_ZONE;
5460 
5461 				if ((softc->flags & DA_FLAG_CAN_ATA_SUPCAP)
5462 				 && (softc->flags & DA_FLAG_CAN_ATA_ZONE))
5463 					break;
5464 			}
5465 		}
5466 	} else {
5467 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5468 				SF_RETRY_UA|SF_NO_PRINT);
5469 		if (error == ERESTART)
5470 			return;
5471 		else if (error != 0) {
5472 			/*
5473 			 * If we can't get the ATA Identify Data log
5474 			 * directory, then it effectively isn't
5475 			 * supported even if the ATA Log directory
5476 			 * a non-zero number of pages present for
5477 			 * this log.
5478 			 */
5479 			softc->flags &= ~DA_FLAG_CAN_ATA_IDLOG;
5480 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5481 				/* Don't wedge this device's queue */
5482 				cam_release_devq(done_ccb->ccb_h.path,
5483 						 /*relsim_flags*/0,
5484 						 /*reduction*/0,
5485 						 /*timeout*/0,
5486 						 /*getcount_only*/0);
5487 			}
5488 		}
5489 	}
5490 
5491 	free(csio->data_ptr, M_SCSIDA);
5492 
5493 	if ((error == 0) && (softc->flags & DA_FLAG_CAN_ATA_SUPCAP)) {
5494 		softc->state = DA_STATE_PROBE_ATA_SUP;
5495 		xpt_release_ccb(done_ccb);
5496 		xpt_schedule(periph, priority);
5497 		return;
5498 	}
5499 	daprobedone(periph, done_ccb);
5500 	return;
5501 }
5502 
5503 static void
5504 dadone_probeatasup(struct cam_periph *periph, union ccb *done_ccb)
5505 {
5506 	struct da_softc *softc;
5507 	struct ccb_scsiio *csio;
5508 	u_int32_t  priority;
5509 	int error;
5510 
5511 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatasup\n"));
5512 
5513 	softc = (struct da_softc *)periph->softc;
5514 	priority = done_ccb->ccb_h.pinfo.priority;
5515 	csio = &done_ccb->csio;
5516 
5517 	cam_periph_assert(periph, MA_OWNED);
5518 
5519 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5520 		uint32_t valid_len;
5521 		size_t needed_size;
5522 		struct ata_identify_log_sup_cap *sup_cap;
5523 		error = 0;
5524 
5525 		sup_cap = (struct ata_identify_log_sup_cap *)csio->data_ptr;
5526 		valid_len = csio->dxfer_len - csio->resid;
5527 		needed_size = __offsetof(struct ata_identify_log_sup_cap,
5528 		    sup_zac_cap) + 1 + sizeof(sup_cap->sup_zac_cap);
5529 		if (valid_len >= needed_size) {
5530 			uint64_t zoned, zac_cap;
5531 
5532 			zoned = le64dec(sup_cap->zoned_cap);
5533 			if (zoned & ATA_ZONED_VALID) {
5534 				/*
5535 				 * This should have already been
5536 				 * set, because this is also in the
5537 				 * ATA identify data.
5538 				 */
5539 				if ((zoned & ATA_ZONED_MASK) ==
5540 				    ATA_SUPPORT_ZONE_HOST_AWARE)
5541 					softc->zone_mode = DA_ZONE_HOST_AWARE;
5542 				else if ((zoned & ATA_ZONED_MASK) ==
5543 				    ATA_SUPPORT_ZONE_DEV_MANAGED)
5544 					softc->zone_mode =
5545 					    DA_ZONE_DRIVE_MANAGED;
5546 			}
5547 
5548 			zac_cap = le64dec(sup_cap->sup_zac_cap);
5549 			if (zac_cap & ATA_SUP_ZAC_CAP_VALID) {
5550 				if (zac_cap & ATA_REPORT_ZONES_SUP)
5551 					softc->zone_flags |=
5552 					    DA_ZONE_FLAG_RZ_SUP;
5553 				if (zac_cap & ATA_ND_OPEN_ZONE_SUP)
5554 					softc->zone_flags |=
5555 					    DA_ZONE_FLAG_OPEN_SUP;
5556 				if (zac_cap & ATA_ND_CLOSE_ZONE_SUP)
5557 					softc->zone_flags |=
5558 					    DA_ZONE_FLAG_CLOSE_SUP;
5559 				if (zac_cap & ATA_ND_FINISH_ZONE_SUP)
5560 					softc->zone_flags |=
5561 					    DA_ZONE_FLAG_FINISH_SUP;
5562 				if (zac_cap & ATA_ND_RWP_SUP)
5563 					softc->zone_flags |=
5564 					    DA_ZONE_FLAG_RWP_SUP;
5565 			} else {
5566 				/*
5567 				 * This field was introduced in
5568 				 * ACS-4, r08 on April 28th, 2015.
5569 				 * If the drive firmware was written
5570 				 * to an earlier spec, it won't have
5571 				 * the field.  So, assume all
5572 				 * commands are supported.
5573 				 */
5574 				softc->zone_flags |= DA_ZONE_FLAG_SUP_MASK;
5575 			}
5576 		}
5577 	} else {
5578 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5579 				SF_RETRY_UA|SF_NO_PRINT);
5580 		if (error == ERESTART)
5581 			return;
5582 		else if (error != 0) {
5583 			/*
5584 			 * If we can't get the ATA Identify Data
5585 			 * Supported Capabilities page, clear the
5586 			 * flag...
5587 			 */
5588 			softc->flags &= ~DA_FLAG_CAN_ATA_SUPCAP;
5589 			/*
5590 			 * And clear zone capabilities.
5591 			 */
5592 			softc->zone_flags &= ~DA_ZONE_FLAG_SUP_MASK;
5593 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5594 				/* Don't wedge this device's queue */
5595 				cam_release_devq(done_ccb->ccb_h.path,
5596 						 /*relsim_flags*/0,
5597 						 /*reduction*/0,
5598 						 /*timeout*/0,
5599 						 /*getcount_only*/0);
5600 			}
5601 		}
5602 	}
5603 
5604 	free(csio->data_ptr, M_SCSIDA);
5605 
5606 	if ((error == 0) && (softc->flags & DA_FLAG_CAN_ATA_ZONE)) {
5607 		softc->state = DA_STATE_PROBE_ATA_ZONE;
5608 		xpt_release_ccb(done_ccb);
5609 		xpt_schedule(periph, priority);
5610 		return;
5611 	}
5612 	daprobedone(periph, done_ccb);
5613 	return;
5614 }
5615 
5616 static void
5617 dadone_probeatazone(struct cam_periph *periph, union ccb *done_ccb)
5618 {
5619 	struct da_softc *softc;
5620 	struct ccb_scsiio *csio;
5621 	int error;
5622 
5623 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatazone\n"));
5624 
5625 	softc = (struct da_softc *)periph->softc;
5626 	csio = &done_ccb->csio;
5627 
5628 	cam_periph_assert(periph, MA_OWNED);
5629 
5630 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5631 		struct ata_zoned_info_log *zi_log;
5632 		uint32_t valid_len;
5633 		size_t needed_size;
5634 
5635 		zi_log = (struct ata_zoned_info_log *)csio->data_ptr;
5636 
5637 		valid_len = csio->dxfer_len - csio->resid;
5638 		needed_size = __offsetof(struct ata_zoned_info_log,
5639 		    version_info) + 1 + sizeof(zi_log->version_info);
5640 		if (valid_len >= needed_size) {
5641 			uint64_t tmpvar;
5642 
5643 			tmpvar = le64dec(zi_log->zoned_cap);
5644 			if (tmpvar & ATA_ZDI_CAP_VALID) {
5645 				if (tmpvar & ATA_ZDI_CAP_URSWRZ)
5646 					softc->zone_flags |=
5647 					    DA_ZONE_FLAG_URSWRZ;
5648 				else
5649 					softc->zone_flags &=
5650 					    ~DA_ZONE_FLAG_URSWRZ;
5651 			}
5652 			tmpvar = le64dec(zi_log->optimal_seq_zones);
5653 			if (tmpvar & ATA_ZDI_OPT_SEQ_VALID) {
5654 				softc->zone_flags |= DA_ZONE_FLAG_OPT_SEQ_SET;
5655 				softc->optimal_seq_zones = (tmpvar &
5656 				    ATA_ZDI_OPT_SEQ_MASK);
5657 			} else {
5658 				softc->zone_flags &= ~DA_ZONE_FLAG_OPT_SEQ_SET;
5659 				softc->optimal_seq_zones = 0;
5660 			}
5661 
5662 			tmpvar =le64dec(zi_log->optimal_nonseq_zones);
5663 			if (tmpvar & ATA_ZDI_OPT_NS_VALID) {
5664 				softc->zone_flags |=
5665 				    DA_ZONE_FLAG_OPT_NONSEQ_SET;
5666 				softc->optimal_nonseq_zones =
5667 				    (tmpvar & ATA_ZDI_OPT_NS_MASK);
5668 			} else {
5669 				softc->zone_flags &=
5670 				    ~DA_ZONE_FLAG_OPT_NONSEQ_SET;
5671 				softc->optimal_nonseq_zones = 0;
5672 			}
5673 
5674 			tmpvar = le64dec(zi_log->max_seq_req_zones);
5675 			if (tmpvar & ATA_ZDI_MAX_SEQ_VALID) {
5676 				softc->zone_flags |= DA_ZONE_FLAG_MAX_SEQ_SET;
5677 				softc->max_seq_zones =
5678 				    (tmpvar & ATA_ZDI_MAX_SEQ_MASK);
5679 			} else {
5680 				softc->zone_flags &= ~DA_ZONE_FLAG_MAX_SEQ_SET;
5681 				softc->max_seq_zones = 0;
5682 			}
5683 		}
5684 	} else {
5685 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5686 				SF_RETRY_UA|SF_NO_PRINT);
5687 		if (error == ERESTART)
5688 			return;
5689 		else if (error != 0) {
5690 			softc->flags &= ~DA_FLAG_CAN_ATA_ZONE;
5691 			softc->flags &= ~DA_ZONE_FLAG_SET_MASK;
5692 
5693 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5694 				/* Don't wedge this device's queue */
5695 				cam_release_devq(done_ccb->ccb_h.path,
5696 						 /*relsim_flags*/0,
5697 						 /*reduction*/0,
5698 						 /*timeout*/0,
5699 						 /*getcount_only*/0);
5700 			}
5701 		}
5702 
5703 	}
5704 
5705 	free(csio->data_ptr, M_SCSIDA);
5706 
5707 	daprobedone(periph, done_ccb);
5708 	return;
5709 }
5710 
5711 static void
5712 dadone_probezone(struct cam_periph *periph, union ccb *done_ccb)
5713 {
5714 	struct da_softc *softc;
5715 	struct ccb_scsiio *csio;
5716 	int error;
5717 
5718 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probezone\n"));
5719 
5720 	softc = (struct da_softc *)periph->softc;
5721 	csio = &done_ccb->csio;
5722 
5723 	cam_periph_assert(periph, MA_OWNED);
5724 
5725 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5726 		uint32_t valid_len;
5727 		size_t needed_len;
5728 		struct scsi_vpd_zoned_bdc *zoned_bdc;
5729 
5730 		error = 0;
5731 		zoned_bdc = (struct scsi_vpd_zoned_bdc *)csio->data_ptr;
5732 		valid_len = csio->dxfer_len - csio->resid;
5733 		needed_len = __offsetof(struct scsi_vpd_zoned_bdc,
5734 		    max_seq_req_zones) + 1 +
5735 		    sizeof(zoned_bdc->max_seq_req_zones);
5736 		if ((valid_len >= needed_len)
5737 		 && (scsi_2btoul(zoned_bdc->page_length) >= SVPD_ZBDC_PL)) {
5738 			if (zoned_bdc->flags & SVPD_ZBDC_URSWRZ)
5739 				softc->zone_flags |= DA_ZONE_FLAG_URSWRZ;
5740 			else
5741 				softc->zone_flags &= ~DA_ZONE_FLAG_URSWRZ;
5742 			softc->optimal_seq_zones =
5743 			    scsi_4btoul(zoned_bdc->optimal_seq_zones);
5744 			softc->zone_flags |= DA_ZONE_FLAG_OPT_SEQ_SET;
5745 			softc->optimal_nonseq_zones = scsi_4btoul(
5746 			    zoned_bdc->optimal_nonseq_zones);
5747 			softc->zone_flags |= DA_ZONE_FLAG_OPT_NONSEQ_SET;
5748 			softc->max_seq_zones =
5749 			    scsi_4btoul(zoned_bdc->max_seq_req_zones);
5750 			softc->zone_flags |= DA_ZONE_FLAG_MAX_SEQ_SET;
5751 		}
5752 		/*
5753 		 * All of the zone commands are mandatory for SCSI
5754 		 * devices.
5755 		 *
5756 		 * XXX KDM this is valid as of September 2015.
5757 		 * Re-check this assumption once the SAT spec is
5758 		 * updated to support SCSI ZBC to ATA ZAC mapping.
5759 		 * Since ATA allows zone commands to be reported
5760 		 * as supported or not, this may not necessarily
5761 		 * be true for an ATA device behind a SAT (SCSI to
5762 		 * ATA Translation) layer.
5763 		 */
5764 		softc->zone_flags |= DA_ZONE_FLAG_SUP_MASK;
5765 	} else {
5766 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5767 				SF_RETRY_UA|SF_NO_PRINT);
5768 		if (error == ERESTART)
5769 			return;
5770 		else if (error != 0) {
5771 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5772 				/* Don't wedge this device's queue */
5773 				cam_release_devq(done_ccb->ccb_h.path,
5774 						 /*relsim_flags*/0,
5775 						 /*reduction*/0,
5776 						 /*timeout*/0,
5777 						 /*getcount_only*/0);
5778 			}
5779 		}
5780 	}
5781 
5782 	free(csio->data_ptr, M_SCSIDA);
5783 
5784 	daprobedone(periph, done_ccb);
5785 	return;
5786 }
5787 
5788 static void
5789 dadone_tur(struct cam_periph *periph, union ccb *done_ccb)
5790 {
5791 	struct da_softc *softc;
5792 	struct ccb_scsiio *csio;
5793 
5794 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_tur\n"));
5795 
5796 	softc = (struct da_softc *)periph->softc;
5797 	csio = &done_ccb->csio;
5798 
5799 	cam_periph_assert(periph, MA_OWNED);
5800 
5801 	if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
5802 
5803 		if (daerror(done_ccb, CAM_RETRY_SELTO,
5804 		    SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) == ERESTART)
5805 			return;	/* Will complete again, keep reference */
5806 		if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
5807 			cam_release_devq(done_ccb->ccb_h.path,
5808 					 /*relsim_flags*/0,
5809 					 /*reduction*/0,
5810 					 /*timeout*/0,
5811 					 /*getcount_only*/0);
5812 	}
5813 	xpt_release_ccb(done_ccb);
5814 	softc->flags &= ~DA_FLAG_TUR_PENDING;
5815 	da_periph_release_locked(periph, DA_REF_TUR);
5816 	return;
5817 }
5818 
5819 static void
5820 dareprobe(struct cam_periph *periph)
5821 {
5822 	struct da_softc	  *softc;
5823 	int status;
5824 
5825 	softc = (struct da_softc *)periph->softc;
5826 
5827 	/* Probe in progress; don't interfere. */
5828 	if (softc->state != DA_STATE_NORMAL)
5829 		return;
5830 
5831 	status = da_periph_acquire(periph, DA_REF_REPROBE);
5832 	KASSERT(status == 0, ("dareprobe: cam_periph_acquire failed"));
5833 
5834 	softc->state = DA_STATE_PROBE_WP;
5835 	xpt_schedule(periph, CAM_PRIORITY_DEV);
5836 }
5837 
5838 static int
5839 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
5840 {
5841 	struct da_softc	  *softc;
5842 	struct cam_periph *periph;
5843 	int error, error_code, sense_key, asc, ascq;
5844 
5845 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
5846 	if (ccb->csio.bio != NULL)
5847 		biotrack(ccb->csio.bio, __func__);
5848 #endif
5849 
5850 	periph = xpt_path_periph(ccb->ccb_h.path);
5851 	softc = (struct da_softc *)periph->softc;
5852 
5853 	cam_periph_assert(periph, MA_OWNED);
5854 
5855 	/*
5856 	 * Automatically detect devices that do not support
5857 	 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
5858 	 */
5859 	error = 0;
5860 	if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
5861 		error = cmd6workaround(ccb);
5862 	} else if (scsi_extract_sense_ccb(ccb,
5863 	    &error_code, &sense_key, &asc, &ascq)) {
5864 		if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
5865 			error = cmd6workaround(ccb);
5866 		/*
5867 		 * If the target replied with CAPACITY DATA HAS CHANGED UA,
5868 		 * query the capacity and notify upper layers.
5869 		 */
5870 		else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5871 		    asc == 0x2A && ascq == 0x09) {
5872 			xpt_print(periph->path, "Capacity data has changed\n");
5873 			softc->flags &= ~DA_FLAG_PROBED;
5874 			dareprobe(periph);
5875 			sense_flags |= SF_NO_PRINT;
5876 		} else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5877 		    asc == 0x28 && ascq == 0x00) {
5878 			softc->flags &= ~DA_FLAG_PROBED;
5879 			disk_media_changed(softc->disk, M_NOWAIT);
5880 		} else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5881 		    asc == 0x3F && ascq == 0x03) {
5882 			xpt_print(periph->path, "INQUIRY data has changed\n");
5883 			softc->flags &= ~DA_FLAG_PROBED;
5884 			dareprobe(periph);
5885 			sense_flags |= SF_NO_PRINT;
5886 		} else if (sense_key == SSD_KEY_NOT_READY &&
5887 		    asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
5888 			softc->flags |= DA_FLAG_PACK_INVALID;
5889 			disk_media_gone(softc->disk, M_NOWAIT);
5890 		}
5891 	}
5892 	if (error == ERESTART)
5893 		return (ERESTART);
5894 
5895 #ifdef CAM_IO_STATS
5896 	switch (ccb->ccb_h.status & CAM_STATUS_MASK) {
5897 	case CAM_CMD_TIMEOUT:
5898 		softc->timeouts++;
5899 		break;
5900 	case CAM_REQ_ABORTED:
5901 	case CAM_REQ_CMP_ERR:
5902 	case CAM_REQ_TERMIO:
5903 	case CAM_UNREC_HBA_ERROR:
5904 	case CAM_DATA_RUN_ERR:
5905 		softc->errors++;
5906 		break;
5907 	default:
5908 		break;
5909 	}
5910 #endif
5911 
5912 	/*
5913 	 * XXX
5914 	 * Until we have a better way of doing pack validation,
5915 	 * don't treat UAs as errors.
5916 	 */
5917 	sense_flags |= SF_RETRY_UA;
5918 
5919 	if (softc->quirks & DA_Q_RETRY_BUSY)
5920 		sense_flags |= SF_RETRY_BUSY;
5921 	return(cam_periph_error(ccb, cam_flags, sense_flags));
5922 }
5923 
5924 static void
5925 damediapoll(void *arg)
5926 {
5927 	struct cam_periph *periph = arg;
5928 	struct da_softc *softc = periph->softc;
5929 
5930 	if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR) &&
5931 	    (softc->flags & DA_FLAG_TUR_PENDING) == 0 &&
5932 	    LIST_EMPTY(&softc->pending_ccbs)) {
5933 		if (da_periph_acquire(periph, DA_REF_TUR) == 0) {
5934 			cam_iosched_set_work_flags(softc->cam_iosched, DA_WORK_TUR);
5935 			daschedule(periph);
5936 		}
5937 	}
5938 	/* Queue us up again */
5939 	if (da_poll_period != 0)
5940 		callout_schedule(&softc->mediapoll_c, da_poll_period * hz);
5941 }
5942 
5943 static void
5944 daprevent(struct cam_periph *periph, int action)
5945 {
5946 	struct	da_softc *softc;
5947 	union	ccb *ccb;
5948 	int	error;
5949 
5950 	cam_periph_assert(periph, MA_OWNED);
5951 	softc = (struct da_softc *)periph->softc;
5952 
5953 	if (((action == PR_ALLOW)
5954 	  && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
5955 	 || ((action == PR_PREVENT)
5956 	  && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
5957 		return;
5958 	}
5959 
5960 	ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
5961 
5962 	scsi_prevent(&ccb->csio,
5963 		     /*retries*/1,
5964 		     /*cbcfp*/NULL,
5965 		     MSG_SIMPLE_Q_TAG,
5966 		     action,
5967 		     SSD_FULL_SIZE,
5968 		     5000);
5969 
5970 	error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
5971 	    SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat);
5972 
5973 	if (error == 0) {
5974 		if (action == PR_ALLOW)
5975 			softc->flags &= ~DA_FLAG_PACK_LOCKED;
5976 		else
5977 			softc->flags |= DA_FLAG_PACK_LOCKED;
5978 	}
5979 
5980 	xpt_release_ccb(ccb);
5981 }
5982 
5983 static void
5984 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
5985 	  struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
5986 {
5987 	struct ccb_calc_geometry ccg;
5988 	struct da_softc *softc;
5989 	struct disk_params *dp;
5990 	u_int lbppbe, lalba;
5991 	int error;
5992 
5993 	softc = (struct da_softc *)periph->softc;
5994 
5995 	dp = &softc->params;
5996 	dp->secsize = block_len;
5997 	dp->sectors = maxsector + 1;
5998 	if (rcaplong != NULL) {
5999 		lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
6000 		lalba = scsi_2btoul(rcaplong->lalba_lbp);
6001 		lalba &= SRC16_LALBA_A;
6002 		if (rcaplong->prot & SRC16_PROT_EN)
6003 			softc->p_type = ((rcaplong->prot & SRC16_P_TYPE) >>
6004 			    SRC16_P_TYPE_SHIFT) + 1;
6005 		else
6006 			softc->p_type = 0;
6007 	} else {
6008 		lbppbe = 0;
6009 		lalba = 0;
6010 		softc->p_type = 0;
6011 	}
6012 
6013 	if (lbppbe > 0) {
6014 		dp->stripesize = block_len << lbppbe;
6015 		dp->stripeoffset = (dp->stripesize - block_len * lalba) %
6016 		    dp->stripesize;
6017 	} else if (softc->quirks & DA_Q_4K) {
6018 		dp->stripesize = 4096;
6019 		dp->stripeoffset = 0;
6020 	} else if (softc->unmap_gran != 0) {
6021 		dp->stripesize = block_len * softc->unmap_gran;
6022 		dp->stripeoffset = (dp->stripesize - block_len *
6023 		    softc->unmap_gran_align) % dp->stripesize;
6024 	} else {
6025 		dp->stripesize = 0;
6026 		dp->stripeoffset = 0;
6027 	}
6028 	/*
6029 	 * Have the controller provide us with a geometry
6030 	 * for this disk.  The only time the geometry
6031 	 * matters is when we boot and the controller
6032 	 * is the only one knowledgeable enough to come
6033 	 * up with something that will make this a bootable
6034 	 * device.
6035 	 */
6036 	xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
6037 	ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
6038 	ccg.block_size = dp->secsize;
6039 	ccg.volume_size = dp->sectors;
6040 	ccg.heads = 0;
6041 	ccg.secs_per_track = 0;
6042 	ccg.cylinders = 0;
6043 	xpt_action((union ccb*)&ccg);
6044 	if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
6045 		/*
6046 		 * We don't know what went wrong here- but just pick
6047 		 * a geometry so we don't have nasty things like divide
6048 		 * by zero.
6049 		 */
6050 		dp->heads = 255;
6051 		dp->secs_per_track = 255;
6052 		dp->cylinders = dp->sectors / (255 * 255);
6053 		if (dp->cylinders == 0) {
6054 			dp->cylinders = 1;
6055 		}
6056 	} else {
6057 		dp->heads = ccg.heads;
6058 		dp->secs_per_track = ccg.secs_per_track;
6059 		dp->cylinders = ccg.cylinders;
6060 	}
6061 
6062 	/*
6063 	 * If the user supplied a read capacity buffer, and if it is
6064 	 * different than the previous buffer, update the data in the EDT.
6065 	 * If it's the same, we don't bother.  This avoids sending an
6066 	 * update every time someone opens this device.
6067 	 */
6068 	if ((rcaplong != NULL)
6069 	 && (bcmp(rcaplong, &softc->rcaplong,
6070 		  min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
6071 		struct ccb_dev_advinfo cdai;
6072 
6073 		xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
6074 		cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
6075 		cdai.buftype = CDAI_TYPE_RCAPLONG;
6076 		cdai.flags = CDAI_FLAG_STORE;
6077 		cdai.bufsiz = rcap_len;
6078 		cdai.buf = (uint8_t *)rcaplong;
6079 		xpt_action((union ccb *)&cdai);
6080 		if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
6081 			cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
6082 		if (cdai.ccb_h.status != CAM_REQ_CMP) {
6083 			xpt_print(periph->path, "%s: failed to set read "
6084 				  "capacity advinfo\n", __func__);
6085 			/* Use cam_error_print() to decode the status */
6086 			cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
6087 					CAM_EPF_ALL);
6088 		} else {
6089 			bcopy(rcaplong, &softc->rcaplong,
6090 			      min(sizeof(softc->rcaplong), rcap_len));
6091 		}
6092 	}
6093 
6094 	softc->disk->d_sectorsize = softc->params.secsize;
6095 	softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
6096 	softc->disk->d_stripesize = softc->params.stripesize;
6097 	softc->disk->d_stripeoffset = softc->params.stripeoffset;
6098 	/* XXX: these are not actually "firmware" values, so they may be wrong */
6099 	softc->disk->d_fwsectors = softc->params.secs_per_track;
6100 	softc->disk->d_fwheads = softc->params.heads;
6101 	softc->disk->d_devstat->block_size = softc->params.secsize;
6102 	softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
6103 
6104 	error = disk_resize(softc->disk, M_NOWAIT);
6105 	if (error != 0)
6106 		xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error);
6107 }
6108 
6109 static void
6110 dasendorderedtag(void *arg)
6111 {
6112 	struct cam_periph *periph = arg;
6113 	struct da_softc *softc = periph->softc;
6114 
6115 	cam_periph_assert(periph, MA_OWNED);
6116 	if (da_send_ordered) {
6117 		if (!LIST_EMPTY(&softc->pending_ccbs)) {
6118 			if ((softc->flags & DA_FLAG_WAS_OTAG) == 0)
6119 				softc->flags |= DA_FLAG_NEED_OTAG;
6120 			softc->flags &= ~DA_FLAG_WAS_OTAG;
6121 		}
6122 	}
6123 
6124 	/* Queue us up again */
6125 	callout_reset(&softc->sendordered_c,
6126 	    (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
6127 	    dasendorderedtag, periph);
6128 }
6129 
6130 /*
6131  * Step through all DA peripheral drivers, and if the device is still open,
6132  * sync the disk cache to physical media.
6133  */
6134 static void
6135 dashutdown(void * arg, int howto)
6136 {
6137 	struct cam_periph *periph;
6138 	struct da_softc *softc;
6139 	union ccb *ccb;
6140 	int error;
6141 
6142 	CAM_PERIPH_FOREACH(periph, &dadriver) {
6143 		softc = (struct da_softc *)periph->softc;
6144 		if (SCHEDULER_STOPPED()) {
6145 			/* If we paniced with the lock held, do not recurse. */
6146 			if (!cam_periph_owned(periph) &&
6147 			    (softc->flags & DA_FLAG_OPEN)) {
6148 				dadump(softc->disk, NULL, 0, 0, 0);
6149 			}
6150 			continue;
6151 		}
6152 		cam_periph_lock(periph);
6153 
6154 		/*
6155 		 * We only sync the cache if the drive is still open, and
6156 		 * if the drive is capable of it..
6157 		 */
6158 		if (((softc->flags & DA_FLAG_OPEN) == 0)
6159 		 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
6160 			cam_periph_unlock(periph);
6161 			continue;
6162 		}
6163 
6164 		ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
6165 		scsi_synchronize_cache(&ccb->csio,
6166 				       /*retries*/0,
6167 				       /*cbfcnp*/NULL,
6168 				       MSG_SIMPLE_Q_TAG,
6169 				       /*begin_lba*/0, /* whole disk */
6170 				       /*lb_count*/0,
6171 				       SSD_FULL_SIZE,
6172 				       60 * 60 * 1000);
6173 
6174 		error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
6175 		    /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
6176 		    softc->disk->d_devstat);
6177 		if (error != 0)
6178 			xpt_print(periph->path, "Synchronize cache failed\n");
6179 		xpt_release_ccb(ccb);
6180 		cam_periph_unlock(periph);
6181 	}
6182 }
6183 
6184 #else /* !_KERNEL */
6185 
6186 /*
6187  * XXX These are only left out of the kernel build to silence warnings.  If,
6188  * for some reason these functions are used in the kernel, the ifdefs should
6189  * be moved so they are included both in the kernel and userland.
6190  */
6191 void
6192 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
6193 		 void (*cbfcnp)(struct cam_periph *, union ccb *),
6194 		 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
6195 		 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
6196 		 u_int32_t timeout)
6197 {
6198 	struct scsi_format_unit *scsi_cmd;
6199 
6200 	scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
6201 	scsi_cmd->opcode = FORMAT_UNIT;
6202 	scsi_cmd->byte2 = byte2;
6203 	scsi_ulto2b(ileave, scsi_cmd->interleave);
6204 
6205 	cam_fill_csio(csio,
6206 		      retries,
6207 		      cbfcnp,
6208 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6209 		      tag_action,
6210 		      data_ptr,
6211 		      dxfer_len,
6212 		      sense_len,
6213 		      sizeof(*scsi_cmd),
6214 		      timeout);
6215 }
6216 
6217 void
6218 scsi_read_defects(struct ccb_scsiio *csio, uint32_t retries,
6219 		  void (*cbfcnp)(struct cam_periph *, union ccb *),
6220 		  uint8_t tag_action, uint8_t list_format,
6221 		  uint32_t addr_desc_index, uint8_t *data_ptr,
6222 		  uint32_t dxfer_len, int minimum_cmd_size,
6223 		  uint8_t sense_len, uint32_t timeout)
6224 {
6225 	uint8_t cdb_len;
6226 
6227 	/*
6228 	 * These conditions allow using the 10 byte command.  Otherwise we
6229 	 * need to use the 12 byte command.
6230 	 */
6231 	if ((minimum_cmd_size <= 10)
6232 	 && (addr_desc_index == 0)
6233 	 && (dxfer_len <= SRDD10_MAX_LENGTH)) {
6234 		struct scsi_read_defect_data_10 *cdb10;
6235 
6236 		cdb10 = (struct scsi_read_defect_data_10 *)
6237 			&csio->cdb_io.cdb_bytes;
6238 
6239 		cdb_len = sizeof(*cdb10);
6240 		bzero(cdb10, cdb_len);
6241                 cdb10->opcode = READ_DEFECT_DATA_10;
6242                 cdb10->format = list_format;
6243                 scsi_ulto2b(dxfer_len, cdb10->alloc_length);
6244 	} else {
6245 		struct scsi_read_defect_data_12 *cdb12;
6246 
6247 		cdb12 = (struct scsi_read_defect_data_12 *)
6248 			&csio->cdb_io.cdb_bytes;
6249 
6250 		cdb_len = sizeof(*cdb12);
6251 		bzero(cdb12, cdb_len);
6252                 cdb12->opcode = READ_DEFECT_DATA_12;
6253                 cdb12->format = list_format;
6254                 scsi_ulto4b(dxfer_len, cdb12->alloc_length);
6255 		scsi_ulto4b(addr_desc_index, cdb12->address_descriptor_index);
6256 	}
6257 
6258 	cam_fill_csio(csio,
6259 		      retries,
6260 		      cbfcnp,
6261 		      /*flags*/ CAM_DIR_IN,
6262 		      tag_action,
6263 		      data_ptr,
6264 		      dxfer_len,
6265 		      sense_len,
6266 		      cdb_len,
6267 		      timeout);
6268 }
6269 
6270 void
6271 scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
6272 	      void (*cbfcnp)(struct cam_periph *, union ccb *),
6273 	      u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
6274 	      u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
6275 	      u_int32_t timeout)
6276 {
6277 	struct scsi_sanitize *scsi_cmd;
6278 
6279 	scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes;
6280 	scsi_cmd->opcode = SANITIZE;
6281 	scsi_cmd->byte2 = byte2;
6282 	scsi_cmd->control = control;
6283 	scsi_ulto2b(dxfer_len, scsi_cmd->length);
6284 
6285 	cam_fill_csio(csio,
6286 		      retries,
6287 		      cbfcnp,
6288 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6289 		      tag_action,
6290 		      data_ptr,
6291 		      dxfer_len,
6292 		      sense_len,
6293 		      sizeof(*scsi_cmd),
6294 		      timeout);
6295 }
6296 
6297 #endif /* _KERNEL */
6298 
6299 void
6300 scsi_zbc_out(struct ccb_scsiio *csio, uint32_t retries,
6301 	     void (*cbfcnp)(struct cam_periph *, union ccb *),
6302 	     uint8_t tag_action, uint8_t service_action, uint64_t zone_id,
6303 	     uint8_t zone_flags, uint8_t *data_ptr, uint32_t dxfer_len,
6304 	     uint8_t sense_len, uint32_t timeout)
6305 {
6306 	struct scsi_zbc_out *scsi_cmd;
6307 
6308 	scsi_cmd = (struct scsi_zbc_out *)&csio->cdb_io.cdb_bytes;
6309 	scsi_cmd->opcode = ZBC_OUT;
6310 	scsi_cmd->service_action = service_action;
6311 	scsi_u64to8b(zone_id, scsi_cmd->zone_id);
6312 	scsi_cmd->zone_flags = zone_flags;
6313 
6314 	cam_fill_csio(csio,
6315 		      retries,
6316 		      cbfcnp,
6317 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6318 		      tag_action,
6319 		      data_ptr,
6320 		      dxfer_len,
6321 		      sense_len,
6322 		      sizeof(*scsi_cmd),
6323 		      timeout);
6324 }
6325 
6326 void
6327 scsi_zbc_in(struct ccb_scsiio *csio, uint32_t retries,
6328 	    void (*cbfcnp)(struct cam_periph *, union ccb *),
6329 	    uint8_t tag_action, uint8_t service_action, uint64_t zone_start_lba,
6330 	    uint8_t zone_options, uint8_t *data_ptr, uint32_t dxfer_len,
6331 	    uint8_t sense_len, uint32_t timeout)
6332 {
6333 	struct scsi_zbc_in *scsi_cmd;
6334 
6335 	scsi_cmd = (struct scsi_zbc_in *)&csio->cdb_io.cdb_bytes;
6336 	scsi_cmd->opcode = ZBC_IN;
6337 	scsi_cmd->service_action = service_action;
6338 	scsi_ulto4b(dxfer_len, scsi_cmd->length);
6339 	scsi_u64to8b(zone_start_lba, scsi_cmd->zone_start_lba);
6340 	scsi_cmd->zone_options = zone_options;
6341 
6342 	cam_fill_csio(csio,
6343 		      retries,
6344 		      cbfcnp,
6345 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_IN : CAM_DIR_NONE,
6346 		      tag_action,
6347 		      data_ptr,
6348 		      dxfer_len,
6349 		      sense_len,
6350 		      sizeof(*scsi_cmd),
6351 		      timeout);
6352 
6353 }
6354 
6355 int
6356 scsi_ata_zac_mgmt_out(struct ccb_scsiio *csio, uint32_t retries,
6357 		      void (*cbfcnp)(struct cam_periph *, union ccb *),
6358 		      uint8_t tag_action, int use_ncq,
6359 		      uint8_t zm_action, uint64_t zone_id, uint8_t zone_flags,
6360 		      uint8_t *data_ptr, uint32_t dxfer_len,
6361 		      uint8_t *cdb_storage, size_t cdb_storage_len,
6362 		      uint8_t sense_len, uint32_t timeout)
6363 {
6364 	uint8_t command_out, protocol, ata_flags;
6365 	uint16_t features_out;
6366 	uint32_t sectors_out, auxiliary;
6367 	int retval;
6368 
6369 	retval = 0;
6370 
6371 	if (use_ncq == 0) {
6372 		command_out = ATA_ZAC_MANAGEMENT_OUT;
6373 		features_out = (zm_action & 0xf) | (zone_flags << 8);
6374 		ata_flags = AP_FLAG_BYT_BLOK_BLOCKS;
6375 		if (dxfer_len == 0) {
6376 			protocol = AP_PROTO_NON_DATA;
6377 			ata_flags |= AP_FLAG_TLEN_NO_DATA;
6378 			sectors_out = 0;
6379 		} else {
6380 			protocol = AP_PROTO_DMA;
6381 			ata_flags |= AP_FLAG_TLEN_SECT_CNT |
6382 				     AP_FLAG_TDIR_TO_DEV;
6383 			sectors_out = ((dxfer_len >> 9) & 0xffff);
6384 		}
6385 		auxiliary = 0;
6386 	} else {
6387 		ata_flags = AP_FLAG_BYT_BLOK_BLOCKS;
6388 		if (dxfer_len == 0) {
6389 			command_out = ATA_NCQ_NON_DATA;
6390 			features_out = ATA_NCQ_ZAC_MGMT_OUT;
6391 			/*
6392 			 * We're assuming the SCSI to ATA translation layer
6393 			 * will set the NCQ tag number in the tag field.
6394 			 * That isn't clear from the SAT-4 spec (as of rev 05).
6395 			 */
6396 			sectors_out = 0;
6397 			ata_flags |= AP_FLAG_TLEN_NO_DATA;
6398 		} else {
6399 			command_out = ATA_SEND_FPDMA_QUEUED;
6400 			/*
6401 			 * Note that we're defaulting to normal priority,
6402 			 * and assuming that the SCSI to ATA translation
6403 			 * layer will insert the NCQ tag number in the tag
6404 			 * field.  That isn't clear in the SAT-4 spec (as
6405 			 * of rev 05).
6406 			 */
6407 			sectors_out = ATA_SFPDMA_ZAC_MGMT_OUT << 8;
6408 
6409 			ata_flags |= AP_FLAG_TLEN_FEAT |
6410 				     AP_FLAG_TDIR_TO_DEV;
6411 
6412 			/*
6413 			 * For SEND FPDMA QUEUED, the transfer length is
6414 			 * encoded in the FEATURE register, and 0 means
6415 			 * that 65536 512 byte blocks are to be tranferred.
6416 			 * In practice, it seems unlikely that we'll see
6417 			 * a transfer that large, and it may confuse the
6418 			 * the SAT layer, because generally that means that
6419 			 * 0 bytes should be transferred.
6420 			 */
6421 			if (dxfer_len == (65536 * 512)) {
6422 				features_out = 0;
6423 			} else if (dxfer_len <= (65535 * 512)) {
6424 				features_out = ((dxfer_len >> 9) & 0xffff);
6425 			} else {
6426 				/* The transfer is too big. */
6427 				retval = 1;
6428 				goto bailout;
6429 			}
6430 
6431 		}
6432 
6433 		auxiliary = (zm_action & 0xf) | (zone_flags << 8);
6434 		protocol = AP_PROTO_FPDMA;
6435 	}
6436 
6437 	protocol |= AP_EXTEND;
6438 
6439 	retval = scsi_ata_pass(csio,
6440 	    retries,
6441 	    cbfcnp,
6442 	    /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6443 	    tag_action,
6444 	    /*protocol*/ protocol,
6445 	    /*ata_flags*/ ata_flags,
6446 	    /*features*/ features_out,
6447 	    /*sector_count*/ sectors_out,
6448 	    /*lba*/ zone_id,
6449 	    /*command*/ command_out,
6450 	    /*device*/ 0,
6451 	    /*icc*/ 0,
6452 	    /*auxiliary*/ auxiliary,
6453 	    /*control*/ 0,
6454 	    /*data_ptr*/ data_ptr,
6455 	    /*dxfer_len*/ dxfer_len,
6456 	    /*cdb_storage*/ cdb_storage,
6457 	    /*cdb_storage_len*/ cdb_storage_len,
6458 	    /*minimum_cmd_size*/ 0,
6459 	    /*sense_len*/ SSD_FULL_SIZE,
6460 	    /*timeout*/ timeout);
6461 
6462 bailout:
6463 
6464 	return (retval);
6465 }
6466 
6467 int
6468 scsi_ata_zac_mgmt_in(struct ccb_scsiio *csio, uint32_t retries,
6469 		     void (*cbfcnp)(struct cam_periph *, union ccb *),
6470 		     uint8_t tag_action, int use_ncq,
6471 		     uint8_t zm_action, uint64_t zone_id, uint8_t zone_flags,
6472 		     uint8_t *data_ptr, uint32_t dxfer_len,
6473 		     uint8_t *cdb_storage, size_t cdb_storage_len,
6474 		     uint8_t sense_len, uint32_t timeout)
6475 {
6476 	uint8_t command_out, protocol;
6477 	uint16_t features_out, sectors_out;
6478 	uint32_t auxiliary;
6479 	int ata_flags;
6480 	int retval;
6481 
6482 	retval = 0;
6483 	ata_flags = AP_FLAG_TDIR_FROM_DEV | AP_FLAG_BYT_BLOK_BLOCKS;
6484 
6485 	if (use_ncq == 0) {
6486 		command_out = ATA_ZAC_MANAGEMENT_IN;
6487 		/* XXX KDM put a macro here */
6488 		features_out = (zm_action & 0xf) | (zone_flags << 8);
6489 		sectors_out = dxfer_len >> 9; /* XXX KDM macro */
6490 		protocol = AP_PROTO_DMA;
6491 		ata_flags |= AP_FLAG_TLEN_SECT_CNT;
6492 		auxiliary = 0;
6493 	} else {
6494 		ata_flags |= AP_FLAG_TLEN_FEAT;
6495 
6496 		command_out = ATA_RECV_FPDMA_QUEUED;
6497 		sectors_out = ATA_RFPDMA_ZAC_MGMT_IN << 8;
6498 
6499 		/*
6500 		 * For RECEIVE FPDMA QUEUED, the transfer length is
6501 		 * encoded in the FEATURE register, and 0 means
6502 		 * that 65536 512 byte blocks are to be tranferred.
6503 		 * In practice, it seems unlikely that we'll see
6504 		 * a transfer that large, and it may confuse the
6505 		 * the SAT layer, because generally that means that
6506 		 * 0 bytes should be transferred.
6507 		 */
6508 		if (dxfer_len == (65536 * 512)) {
6509 			features_out = 0;
6510 		} else if (dxfer_len <= (65535 * 512)) {
6511 			features_out = ((dxfer_len >> 9) & 0xffff);
6512 		} else {
6513 			/* The transfer is too big. */
6514 			retval = 1;
6515 			goto bailout;
6516 		}
6517 		auxiliary = (zm_action & 0xf) | (zone_flags << 8),
6518 		protocol = AP_PROTO_FPDMA;
6519 	}
6520 
6521 	protocol |= AP_EXTEND;
6522 
6523 	retval = scsi_ata_pass(csio,
6524 	    retries,
6525 	    cbfcnp,
6526 	    /*flags*/ CAM_DIR_IN,
6527 	    tag_action,
6528 	    /*protocol*/ protocol,
6529 	    /*ata_flags*/ ata_flags,
6530 	    /*features*/ features_out,
6531 	    /*sector_count*/ sectors_out,
6532 	    /*lba*/ zone_id,
6533 	    /*command*/ command_out,
6534 	    /*device*/ 0,
6535 	    /*icc*/ 0,
6536 	    /*auxiliary*/ auxiliary,
6537 	    /*control*/ 0,
6538 	    /*data_ptr*/ data_ptr,
6539 	    /*dxfer_len*/ (dxfer_len >> 9) * 512, /* XXX KDM */
6540 	    /*cdb_storage*/ cdb_storage,
6541 	    /*cdb_storage_len*/ cdb_storage_len,
6542 	    /*minimum_cmd_size*/ 0,
6543 	    /*sense_len*/ SSD_FULL_SIZE,
6544 	    /*timeout*/ timeout);
6545 
6546 bailout:
6547 	return (retval);
6548 }
6549