xref: /freebsd/sys/cam/scsi/scsi_da.c (revision e0ceec67)
1 /*-
2  * Implementation of SCSI Direct Access Peripheral driver for CAM.
3  *
4  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5  *
6  * Copyright (c) 1997 Justin T. Gibbs.
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions, and the following disclaimer,
14  *    without modification, immediately at the beginning of the file.
15  * 2. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
22  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30 
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33 
34 #include <sys/param.h>
35 
36 #ifdef _KERNEL
37 #include "opt_da.h"
38 #include <sys/systm.h>
39 #include <sys/kernel.h>
40 #include <sys/bio.h>
41 #include <sys/sysctl.h>
42 #include <sys/taskqueue.h>
43 #include <sys/lock.h>
44 #include <sys/mutex.h>
45 #include <sys/conf.h>
46 #include <sys/devicestat.h>
47 #include <sys/eventhandler.h>
48 #include <sys/malloc.h>
49 #include <sys/cons.h>
50 #include <sys/endian.h>
51 #include <sys/proc.h>
52 #include <sys/reboot.h>
53 #include <sys/sbuf.h>
54 #include <geom/geom.h>
55 #include <geom/geom_disk.h>
56 #include <machine/atomic.h>
57 #endif /* _KERNEL */
58 
59 #ifndef _KERNEL
60 #include <stdio.h>
61 #include <string.h>
62 #endif /* _KERNEL */
63 
64 #include <cam/cam.h>
65 #include <cam/cam_ccb.h>
66 #include <cam/cam_periph.h>
67 #include <cam/cam_xpt_periph.h>
68 #ifdef _KERNEL
69 #include <cam/cam_xpt_internal.h>
70 #endif /* _KERNEL */
71 #include <cam/cam_sim.h>
72 #include <cam/cam_iosched.h>
73 
74 #include <cam/scsi/scsi_message.h>
75 #include <cam/scsi/scsi_da.h>
76 
77 #ifdef _KERNEL
78 /*
79  * Note that there are probe ordering dependencies here.  The order isn't
80  * controlled by this enumeration, but by explicit state transitions in
81  * dastart() and dadone().  Here are some of the dependencies:
82  *
83  * 1. RC should come first, before RC16, unless there is evidence that RC16
84  *    is supported.
85  * 2. BDC needs to come before any of the ATA probes, or the ZONE probe.
86  * 3. The ATA probes should go in this order:
87  *    ATA -> LOGDIR -> IDDIR -> SUP -> ATA_ZONE
88  */
89 typedef enum {
90 	DA_STATE_PROBE_WP,
91 	DA_STATE_PROBE_RC,
92 	DA_STATE_PROBE_RC16,
93 	DA_STATE_PROBE_LBP,
94 	DA_STATE_PROBE_BLK_LIMITS,
95 	DA_STATE_PROBE_BDC,
96 	DA_STATE_PROBE_ATA,
97 	DA_STATE_PROBE_ATA_LOGDIR,
98 	DA_STATE_PROBE_ATA_IDDIR,
99 	DA_STATE_PROBE_ATA_SUP,
100 	DA_STATE_PROBE_ATA_ZONE,
101 	DA_STATE_PROBE_ZONE,
102 	DA_STATE_NORMAL
103 } da_state;
104 
105 typedef enum {
106 	DA_FLAG_PACK_INVALID	= 0x000001,
107 	DA_FLAG_NEW_PACK	= 0x000002,
108 	DA_FLAG_PACK_LOCKED	= 0x000004,
109 	DA_FLAG_PACK_REMOVABLE	= 0x000008,
110 	DA_FLAG_ROTATING	= 0x000010,
111 	DA_FLAG_NEED_OTAG	= 0x000020,
112 	DA_FLAG_WAS_OTAG	= 0x000040,
113 	DA_FLAG_RETRY_UA	= 0x000080,
114 	DA_FLAG_OPEN		= 0x000100,
115 	DA_FLAG_SCTX_INIT	= 0x000200,
116 	DA_FLAG_CAN_RC16	= 0x000400,
117 	DA_FLAG_PROBED		= 0x000800,
118 	DA_FLAG_DIRTY		= 0x001000,
119 	DA_FLAG_ANNOUNCED	= 0x002000,
120 	DA_FLAG_CAN_ATA_DMA	= 0x004000,
121 	DA_FLAG_CAN_ATA_LOG	= 0x008000,
122 	DA_FLAG_CAN_ATA_IDLOG	= 0x010000,
123 	DA_FLAG_CAN_ATA_SUPCAP	= 0x020000,
124 	DA_FLAG_CAN_ATA_ZONE	= 0x040000,
125 	DA_FLAG_TUR_PENDING	= 0x080000,
126 	DA_FLAG_UNMAPPEDIO	= 0x100000
127 } da_flags;
128 #define DA_FLAG_STRING		\
129 	"\020"			\
130 	"\001PACK_INVALID"	\
131 	"\002NEW_PACK"		\
132 	"\003PACK_LOCKED"	\
133 	"\004PACK_REMOVABLE"	\
134 	"\005ROTATING"		\
135 	"\006NEED_OTAG"		\
136 	"\007WAS_OTAG"		\
137 	"\010RETRY_UA"		\
138 	"\011OPEN"		\
139 	"\012SCTX_INIT"		\
140 	"\013CAN_RC16"		\
141 	"\014PROBED"		\
142 	"\015DIRTY"		\
143 	"\016ANNOUCNED"		\
144 	"\017CAN_ATA_DMA"	\
145 	"\020CAN_ATA_LOG"	\
146 	"\021CAN_ATA_IDLOG"	\
147 	"\022CAN_ATA_SUPACP"	\
148 	"\023CAN_ATA_ZONE"	\
149 	"\024TUR_PENDING"	\
150 	"\025UNMAPPEDIO"
151 
152 typedef enum {
153 	DA_Q_NONE		= 0x00,
154 	DA_Q_NO_SYNC_CACHE	= 0x01,
155 	DA_Q_NO_6_BYTE		= 0x02,
156 	DA_Q_NO_PREVENT		= 0x04,
157 	DA_Q_4K			= 0x08,
158 	DA_Q_NO_RC16		= 0x10,
159 	DA_Q_NO_UNMAP		= 0x20,
160 	DA_Q_RETRY_BUSY		= 0x40,
161 	DA_Q_SMR_DM		= 0x80,
162 	DA_Q_STRICT_UNMAP	= 0x100,
163 	DA_Q_128KB		= 0x200
164 } da_quirks;
165 
166 #define DA_Q_BIT_STRING		\
167 	"\020"			\
168 	"\001NO_SYNC_CACHE"	\
169 	"\002NO_6_BYTE"		\
170 	"\003NO_PREVENT"	\
171 	"\0044K"		\
172 	"\005NO_RC16"		\
173 	"\006NO_UNMAP"		\
174 	"\007RETRY_BUSY"	\
175 	"\010SMR_DM"		\
176 	"\011STRICT_UNMAP"	\
177 	"\012128KB"
178 
179 typedef enum {
180 	DA_CCB_PROBE_RC		= 0x01,
181 	DA_CCB_PROBE_RC16	= 0x02,
182 	DA_CCB_PROBE_LBP	= 0x03,
183 	DA_CCB_PROBE_BLK_LIMITS	= 0x04,
184 	DA_CCB_PROBE_BDC	= 0x05,
185 	DA_CCB_PROBE_ATA	= 0x06,
186 	DA_CCB_BUFFER_IO	= 0x07,
187 	DA_CCB_DUMP		= 0x0A,
188 	DA_CCB_DELETE		= 0x0B,
189 	DA_CCB_TUR		= 0x0C,
190 	DA_CCB_PROBE_ZONE	= 0x0D,
191 	DA_CCB_PROBE_ATA_LOGDIR	= 0x0E,
192 	DA_CCB_PROBE_ATA_IDDIR	= 0x0F,
193 	DA_CCB_PROBE_ATA_SUP	= 0x10,
194 	DA_CCB_PROBE_ATA_ZONE	= 0x11,
195 	DA_CCB_PROBE_WP		= 0x12,
196 	DA_CCB_TYPE_MASK	= 0x1F,
197 	DA_CCB_RETRY_UA		= 0x20
198 } da_ccb_state;
199 
200 /*
201  * Order here is important for method choice
202  *
203  * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to
204  * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes
205  * using ATA_TRIM than the corresponding UNMAP results for a real world mysql
206  * import taking 5mins.
207  *
208  */
209 typedef enum {
210 	DA_DELETE_NONE,
211 	DA_DELETE_DISABLE,
212 	DA_DELETE_ATA_TRIM,
213 	DA_DELETE_UNMAP,
214 	DA_DELETE_WS16,
215 	DA_DELETE_WS10,
216 	DA_DELETE_ZERO,
217 	DA_DELETE_MIN = DA_DELETE_ATA_TRIM,
218 	DA_DELETE_MAX = DA_DELETE_ZERO
219 } da_delete_methods;
220 
221 /*
222  * For SCSI, host managed drives show up as a separate device type.  For
223  * ATA, host managed drives also have a different device signature.
224  * XXX KDM figure out the ATA host managed signature.
225  */
226 typedef enum {
227 	DA_ZONE_NONE		= 0x00,
228 	DA_ZONE_DRIVE_MANAGED	= 0x01,
229 	DA_ZONE_HOST_AWARE	= 0x02,
230 	DA_ZONE_HOST_MANAGED	= 0x03
231 } da_zone_mode;
232 
233 /*
234  * We distinguish between these interface cases in addition to the drive type:
235  * o ATA drive behind a SCSI translation layer that knows about ZBC/ZAC
236  * o ATA drive behind a SCSI translation layer that does not know about
237  *   ZBC/ZAC, and so needs to be managed via ATA passthrough.  In this
238  *   case, we would need to share the ATA code with the ada(4) driver.
239  * o SCSI drive.
240  */
241 typedef enum {
242 	DA_ZONE_IF_SCSI,
243 	DA_ZONE_IF_ATA_PASS,
244 	DA_ZONE_IF_ATA_SAT,
245 } da_zone_interface;
246 
247 typedef enum {
248 	DA_ZONE_FLAG_RZ_SUP		= 0x0001,
249 	DA_ZONE_FLAG_OPEN_SUP		= 0x0002,
250 	DA_ZONE_FLAG_CLOSE_SUP		= 0x0004,
251 	DA_ZONE_FLAG_FINISH_SUP		= 0x0008,
252 	DA_ZONE_FLAG_RWP_SUP		= 0x0010,
253 	DA_ZONE_FLAG_SUP_MASK		= (DA_ZONE_FLAG_RZ_SUP |
254 					   DA_ZONE_FLAG_OPEN_SUP |
255 					   DA_ZONE_FLAG_CLOSE_SUP |
256 					   DA_ZONE_FLAG_FINISH_SUP |
257 					   DA_ZONE_FLAG_RWP_SUP),
258 	DA_ZONE_FLAG_URSWRZ		= 0x0020,
259 	DA_ZONE_FLAG_OPT_SEQ_SET	= 0x0040,
260 	DA_ZONE_FLAG_OPT_NONSEQ_SET	= 0x0080,
261 	DA_ZONE_FLAG_MAX_SEQ_SET	= 0x0100,
262 	DA_ZONE_FLAG_SET_MASK		= (DA_ZONE_FLAG_OPT_SEQ_SET |
263 					   DA_ZONE_FLAG_OPT_NONSEQ_SET |
264 					   DA_ZONE_FLAG_MAX_SEQ_SET)
265 } da_zone_flags;
266 
267 static struct da_zone_desc {
268 	da_zone_flags value;
269 	const char *desc;
270 } da_zone_desc_table[] = {
271 	{DA_ZONE_FLAG_RZ_SUP, "Report Zones" },
272 	{DA_ZONE_FLAG_OPEN_SUP, "Open" },
273 	{DA_ZONE_FLAG_CLOSE_SUP, "Close" },
274 	{DA_ZONE_FLAG_FINISH_SUP, "Finish" },
275 	{DA_ZONE_FLAG_RWP_SUP, "Reset Write Pointer" },
276 };
277 
278 typedef void da_delete_func_t (struct cam_periph *periph, union ccb *ccb,
279 			      struct bio *bp);
280 static da_delete_func_t da_delete_trim;
281 static da_delete_func_t da_delete_unmap;
282 static da_delete_func_t da_delete_ws;
283 
284 static const void * da_delete_functions[] = {
285 	NULL,
286 	NULL,
287 	da_delete_trim,
288 	da_delete_unmap,
289 	da_delete_ws,
290 	da_delete_ws,
291 	da_delete_ws
292 };
293 
294 static const char *da_delete_method_names[] =
295     { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" };
296 static const char *da_delete_method_desc[] =
297     { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP",
298       "WRITE SAME(10) with UNMAP", "ZERO" };
299 
300 /* Offsets into our private area for storing information */
301 #define ccb_state	ppriv_field0
302 #define ccb_bp		ppriv_ptr1
303 
304 struct disk_params {
305 	u_int8_t  heads;
306 	u_int32_t cylinders;
307 	u_int8_t  secs_per_track;
308 	u_int32_t secsize;	/* Number of bytes/sector */
309 	u_int64_t sectors;	/* total number sectors */
310 	u_int     stripesize;
311 	u_int     stripeoffset;
312 };
313 
314 #define UNMAP_RANGE_MAX		0xffffffff
315 #define UNMAP_HEAD_SIZE		8
316 #define UNMAP_RANGE_SIZE	16
317 #define UNMAP_MAX_RANGES	2048 /* Protocol Max is 4095 */
318 #define UNMAP_BUF_SIZE		((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \
319 				UNMAP_HEAD_SIZE)
320 
321 #define WS10_MAX_BLKS		0xffff
322 #define WS16_MAX_BLKS		0xffffffff
323 #define ATA_TRIM_MAX_RANGES	((UNMAP_BUF_SIZE / \
324 	(ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE)
325 
326 #define DA_WORK_TUR		(1 << 16)
327 
328 typedef enum {
329 	DA_REF_OPEN = 1,
330 	DA_REF_OPEN_HOLD,
331 	DA_REF_CLOSE_HOLD,
332 	DA_REF_PROBE_HOLD,
333 	DA_REF_TUR,
334 	DA_REF_GEOM,
335 	DA_REF_SYSCTL,
336 	DA_REF_REPROBE,
337 	DA_REF_MAX		/* KEEP LAST */
338 } da_ref_token;
339 
340 struct da_softc {
341 	struct   cam_iosched_softc *cam_iosched;
342 	struct	 bio_queue_head delete_run_queue;
343 	LIST_HEAD(, ccb_hdr) pending_ccbs;
344 	int	 refcount;		/* Active xpt_action() calls */
345 	da_state state;
346 	da_flags flags;
347 	da_quirks quirks;
348 	int	 minimum_cmd_size;
349 	int	 error_inject;
350 	int	 trim_max_ranges;
351 	int	 delete_available;	/* Delete methods possibly available */
352 	da_zone_mode			zone_mode;
353 	da_zone_interface		zone_interface;
354 	da_zone_flags			zone_flags;
355 	struct ata_gp_log_dir		ata_logdir;
356 	int				valid_logdir_len;
357 	struct ata_identify_log_pages	ata_iddir;
358 	int				valid_iddir_len;
359 	uint64_t			optimal_seq_zones;
360 	uint64_t			optimal_nonseq_zones;
361 	uint64_t			max_seq_zones;
362 	u_int			maxio;
363 	uint32_t		unmap_max_ranges;
364 	uint32_t		unmap_max_lba; /* Max LBAs in UNMAP req */
365 	uint32_t		unmap_gran;
366 	uint32_t		unmap_gran_align;
367 	uint64_t		ws_max_blks;
368 	uint64_t		trim_count;
369 	uint64_t		trim_ranges;
370 	uint64_t		trim_lbas;
371 	da_delete_methods	delete_method_pref;
372 	da_delete_methods	delete_method;
373 	da_delete_func_t	*delete_func;
374 	int			p_type;
375 	struct	 disk_params params;
376 	struct	 disk *disk;
377 	struct task		sysctl_task;
378 	struct sysctl_ctx_list	sysctl_ctx;
379 	struct sysctl_oid	*sysctl_tree;
380 	struct callout		sendordered_c;
381 	uint64_t wwpn;
382 	uint8_t	 unmap_buf[UNMAP_BUF_SIZE];
383 	struct scsi_read_capacity_data_long rcaplong;
384 	struct callout		mediapoll_c;
385 	int			ref_flags[DA_REF_MAX];
386 #ifdef CAM_IO_STATS
387 	struct sysctl_ctx_list	sysctl_stats_ctx;
388 	struct sysctl_oid	*sysctl_stats_tree;
389 	u_int	errors;
390 	u_int	timeouts;
391 	u_int	invalidations;
392 #endif
393 #define DA_ANNOUNCETMP_SZ 160
394 	char			announce_temp[DA_ANNOUNCETMP_SZ];
395 #define DA_ANNOUNCE_SZ 400
396 	char			announcebuf[DA_ANNOUNCE_SZ];
397 };
398 
399 #define dadeleteflag(softc, delete_method, enable)			\
400 	if (enable) {							\
401 		softc->delete_available |= (1 << delete_method);	\
402 	} else {							\
403 		softc->delete_available &= ~(1 << delete_method);	\
404 	}
405 
406 static uma_zone_t da_ccb_zone;
407 
408 struct da_quirk_entry {
409 	struct scsi_inquiry_pattern inq_pat;
410 	da_quirks quirks;
411 };
412 
413 static const char quantum[] = "QUANTUM";
414 static const char microp[] = "MICROP";
415 
416 static struct da_quirk_entry da_quirk_table[] =
417 {
418 	/* SPI, FC devices */
419 	{
420 		/*
421 		 * Fujitsu M2513A MO drives.
422 		 * Tested devices: M2513A2 firmware versions 1200 & 1300.
423 		 * (dip switch selects whether T_DIRECT or T_OPTICAL device)
424 		 * Reported by: W.Scholten <whs@xs4all.nl>
425 		 */
426 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
427 		/*quirks*/ DA_Q_NO_SYNC_CACHE
428 	},
429 	{
430 		/* See above. */
431 		{T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
432 		/*quirks*/ DA_Q_NO_SYNC_CACHE
433 	},
434 	{
435 		/*
436 		 * This particular Fujitsu drive doesn't like the
437 		 * synchronize cache command.
438 		 * Reported by: Tom Jackson <toj@gorilla.net>
439 		 */
440 		{T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
441 		/*quirks*/ DA_Q_NO_SYNC_CACHE
442 	},
443 	{
444 		/*
445 		 * This drive doesn't like the synchronize cache command
446 		 * either.  Reported by: Matthew Jacob <mjacob@feral.com>
447 		 * in NetBSD PR kern/6027, August 24, 1998.
448 		 */
449 		{T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
450 		/*quirks*/ DA_Q_NO_SYNC_CACHE
451 	},
452 	{
453 		/*
454 		 * This drive doesn't like the synchronize cache command
455 		 * either.  Reported by: Hellmuth Michaelis (hm@kts.org)
456 		 * (PR 8882).
457 		 */
458 		{T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
459 		/*quirks*/ DA_Q_NO_SYNC_CACHE
460 	},
461 	{
462 		/*
463 		 * Doesn't like the synchronize cache command.
464 		 * Reported by: Blaz Zupan <blaz@gold.amis.net>
465 		 */
466 		{T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
467 		/*quirks*/ DA_Q_NO_SYNC_CACHE
468 	},
469 	{
470 		/*
471 		 * Doesn't like the synchronize cache command.
472 		 * Reported by: Blaz Zupan <blaz@gold.amis.net>
473 		 */
474 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
475 		/*quirks*/ DA_Q_NO_SYNC_CACHE
476 	},
477 	{
478 		/*
479 		 * Doesn't like the synchronize cache command.
480 		 */
481 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
482 		/*quirks*/ DA_Q_NO_SYNC_CACHE
483 	},
484 	{
485 		/*
486 		 * Doesn't like the synchronize cache command.
487 		 * Reported by: walter@pelissero.de
488 		 */
489 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"},
490 		/*quirks*/ DA_Q_NO_SYNC_CACHE
491 	},
492 	{
493 		/*
494 		 * Doesn't work correctly with 6 byte reads/writes.
495 		 * Returns illegal request, and points to byte 9 of the
496 		 * 6-byte CDB.
497 		 * Reported by:  Adam McDougall <bsdx@spawnet.com>
498 		 */
499 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
500 		/*quirks*/ DA_Q_NO_6_BYTE
501 	},
502 	{
503 		/* See above. */
504 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
505 		/*quirks*/ DA_Q_NO_6_BYTE
506 	},
507 	{
508 		/*
509 		 * Doesn't like the synchronize cache command.
510 		 * Reported by: walter@pelissero.de
511 		 */
512 		{T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"},
513 		/*quirks*/ DA_Q_NO_SYNC_CACHE
514 	},
515 	{
516 		/*
517 		 * The CISS RAID controllers do not support SYNC_CACHE
518 		 */
519 		{T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
520 		/*quirks*/ DA_Q_NO_SYNC_CACHE
521 	},
522 	{
523 		/*
524 		 * The STEC SSDs sometimes hang on UNMAP.
525 		 */
526 		{T_DIRECT, SIP_MEDIA_FIXED, "STEC", "*", "*"},
527 		/*quirks*/ DA_Q_NO_UNMAP
528 	},
529 	{
530 		/*
531 		 * VMware returns BUSY status when storage has transient
532 		 * connectivity problems, so better wait.
533 		 * Also VMware returns odd errors on misaligned UNMAPs.
534 		 */
535 		{T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*"},
536 		/*quirks*/ DA_Q_RETRY_BUSY | DA_Q_STRICT_UNMAP
537 	},
538 	/* USB mass storage devices supported by umass(4) */
539 	{
540 		/*
541 		 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
542 		 * PR: kern/51675
543 		 */
544 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
545 		/*quirks*/ DA_Q_NO_SYNC_CACHE
546 	},
547 	{
548 		/*
549 		 * Power Quotient Int. (PQI) USB flash key
550 		 * PR: kern/53067
551 		 */
552 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*",
553 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
554 	},
555 	{
556 		/*
557 		 * Creative Nomad MUVO mp3 player (USB)
558 		 * PR: kern/53094
559 		 */
560 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
561 		/*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
562 	},
563 	{
564 		/*
565 		 * Jungsoft NEXDISK USB flash key
566 		 * PR: kern/54737
567 		 */
568 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
569 		/*quirks*/ DA_Q_NO_SYNC_CACHE
570 	},
571 	{
572 		/*
573 		 * FreeDik USB Mini Data Drive
574 		 * PR: kern/54786
575 		 */
576 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive",
577 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
578 	},
579 	{
580 		/*
581 		 * Sigmatel USB Flash MP3 Player
582 		 * PR: kern/57046
583 		 */
584 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"},
585 		/*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
586 	},
587 	{
588 		/*
589 		 * Neuros USB Digital Audio Computer
590 		 * PR: kern/63645
591 		 */
592 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.",
593 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
594 	},
595 	{
596 		/*
597 		 * SEAGRAND NP-900 MP3 Player
598 		 * PR: kern/64563
599 		 */
600 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"},
601 		/*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
602 	},
603 	{
604 		/*
605 		 * iRiver iFP MP3 player (with UMS Firmware)
606 		 * PR: kern/54881, i386/63941, kern/66124
607 		 */
608 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
609 		/*quirks*/ DA_Q_NO_SYNC_CACHE
610 	},
611 	{
612 		/*
613 		 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
614 		 * PR: kern/70158
615 		 */
616 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"},
617 		/*quirks*/ DA_Q_NO_SYNC_CACHE
618 	},
619 	{
620 		/*
621 		 * ZICPlay USB MP3 Player with FM
622 		 * PR: kern/75057
623 		 */
624 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"},
625 		/*quirks*/ DA_Q_NO_SYNC_CACHE
626 	},
627 	{
628 		/*
629 		 * TEAC USB floppy mechanisms
630 		 */
631 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"},
632 		/*quirks*/ DA_Q_NO_SYNC_CACHE
633 	},
634 	{
635 		/*
636 		 * Kingston DataTraveler II+ USB Pen-Drive.
637 		 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org>
638 		 */
639 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+",
640 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
641 	},
642 	{
643 		/*
644 		 * USB DISK Pro PMAP
645 		 * Reported by: jhs
646 		 * PR: usb/96381
647 		 */
648 		{T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"},
649 		/*quirks*/ DA_Q_NO_SYNC_CACHE
650 	},
651 	{
652 		/*
653 		 * Motorola E398 Mobile Phone (TransFlash memory card).
654 		 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl>
655 		 * PR: usb/89889
656 		 */
657 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone",
658 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
659 	},
660 	{
661 		/*
662 		 * Qware BeatZkey! Pro
663 		 * PR: usb/79164
664 		 */
665 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE",
666 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
667 	},
668 	{
669 		/*
670 		 * Time DPA20B 1GB MP3 Player
671 		 * PR: usb/81846
672 		 */
673 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*",
674 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
675 	},
676 	{
677 		/*
678 		 * Samsung USB key 128Mb
679 		 * PR: usb/90081
680 		 */
681 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb",
682 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
683 	},
684 	{
685 		/*
686 		 * Kingston DataTraveler 2.0 USB Flash memory.
687 		 * PR: usb/89196
688 		 */
689 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0",
690 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
691 	},
692 	{
693 		/*
694 		 * Creative MUVO Slim mp3 player (USB)
695 		 * PR: usb/86131
696 		 */
697 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim",
698 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
699 		},
700 	{
701 		/*
702 		 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3)
703 		 * PR: usb/80487
704 		 */
705 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK",
706 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
707 	},
708 	{
709 		/*
710 		 * SanDisk Micro Cruzer 128MB
711 		 * PR: usb/75970
712 		 */
713 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer",
714 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
715 	},
716 	{
717 		/*
718 		 * TOSHIBA TransMemory USB sticks
719 		 * PR: kern/94660
720 		 */
721 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory",
722 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
723 	},
724 	{
725 		/*
726 		 * PNY USB 3.0 Flash Drives
727 		*/
728 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "PNY", "USB 3.0 FD*",
729 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_RC16
730 	},
731 	{
732 		/*
733 		 * PNY USB Flash keys
734 		 * PR: usb/75578, usb/72344, usb/65436
735 		 */
736 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*",
737 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
738 	},
739 	{
740 		/*
741 		 * Genesys GL3224
742 		 */
743 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
744 		"120?"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_4K | DA_Q_NO_RC16
745 	},
746 	{
747 		/*
748 		 * Genesys 6-in-1 Card Reader
749 		 * PR: usb/94647
750 		 */
751 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
752 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
753 	},
754 	{
755 		/*
756 		 * Rekam Digital CAMERA
757 		 * PR: usb/98713
758 		 */
759 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*",
760 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
761 	},
762 	{
763 		/*
764 		 * iRiver H10 MP3 player
765 		 * PR: usb/102547
766 		 */
767 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*",
768 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
769 	},
770 	{
771 		/*
772 		 * iRiver U10 MP3 player
773 		 * PR: usb/92306
774 		 */
775 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*",
776 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
777 	},
778 	{
779 		/*
780 		 * X-Micro Flash Disk
781 		 * PR: usb/96901
782 		 */
783 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk",
784 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
785 	},
786 	{
787 		/*
788 		 * EasyMP3 EM732X USB 2.0 Flash MP3 Player
789 		 * PR: usb/96546
790 		 */
791 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*",
792 		"1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
793 	},
794 	{
795 		/*
796 		 * Denver MP3 player
797 		 * PR: usb/107101
798 		 */
799 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER",
800 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
801 	},
802 	{
803 		/*
804 		 * Philips USB Key Audio KEY013
805 		 * PR: usb/68412
806 		 */
807 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"},
808 		/*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
809 	},
810 	{
811 		/*
812 		 * JNC MP3 Player
813 		 * PR: usb/94439
814 		 */
815 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*",
816 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
817 	},
818 	{
819 		/*
820 		 * SAMSUNG MP0402H
821 		 * PR: usb/108427
822 		 */
823 		{T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"},
824 		/*quirks*/ DA_Q_NO_SYNC_CACHE
825 	},
826 	{
827 		/*
828 		 * I/O Magic USB flash - Giga Bank
829 		 * PR: usb/108810
830 		 */
831 		{T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"},
832 		/*quirks*/ DA_Q_NO_SYNC_CACHE
833 	},
834 	{
835 		/*
836 		 * JoyFly 128mb USB Flash Drive
837 		 * PR: 96133
838 		 */
839 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*",
840 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
841 	},
842 	{
843 		/*
844 		 * ChipsBnk usb stick
845 		 * PR: 103702
846 		 */
847 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*",
848 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
849 	},
850 	{
851 		/*
852 		 * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A
853 		 * PR: 129858
854 		 */
855 		{T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*",
856 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
857 	},
858 	{
859 		/*
860 		 * Samsung YP-U3 mp3-player
861 		 * PR: 125398
862 		 */
863 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3",
864 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
865 	},
866 	{
867 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*",
868 		 "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
869 	},
870 	{
871 		/*
872 		 * Sony Cyber-Shot DSC cameras
873 		 * PR: usb/137035
874 		 */
875 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
876 		/*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
877 	},
878 	{
879 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3",
880 		 "1.00"}, /*quirks*/ DA_Q_NO_PREVENT
881 	},
882 	{
883 		/* At least several Transcent USB sticks lie on RC16. */
884 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "JetFlash", "Transcend*",
885 		 "*"}, /*quirks*/ DA_Q_NO_RC16
886 	},
887 	{
888 		/*
889 		 * I-O Data USB Flash Disk
890 		 * PR: usb/211716
891 		 */
892 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "I-O DATA", "USB Flash Disk*",
893 		 "*"}, /*quirks*/ DA_Q_NO_RC16
894 	},
895 	{
896 		/*
897 		 * SLC CHIPFANCIER USB drives
898 		 * PR: usb/234503 (RC10 right, RC16 wrong)
899 		 * 16GB, 32GB and 128GB confirmed to have same issue
900 		 */
901 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "*SLC", "CHIPFANCIER",
902 		 "*"}, /*quirks*/ DA_Q_NO_RC16
903        },
904 	/* ATA/SATA devices over SAS/USB/... */
905 	{
906 		/* Sandisk X400 */
907 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SanDisk SD8SB8U1*", "*" },
908 		/*quirks*/DA_Q_128KB
909 	},
910 	{
911 		/* Hitachi Advanced Format (4k) drives */
912 		{ T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" },
913 		/*quirks*/DA_Q_4K
914 	},
915 	{
916 		/* Micron Advanced Format (4k) drives */
917 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Micron 5100 MTFDDAK*", "*" },
918 		/*quirks*/DA_Q_4K
919 	},
920 	{
921 		/* Samsung Advanced Format (4k) drives */
922 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" },
923 		/*quirks*/DA_Q_4K
924 	},
925 	{
926 		/* Samsung Advanced Format (4k) drives */
927 		{ T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" },
928 		/*quirks*/DA_Q_4K
929 	},
930 	{
931 		/* Samsung Advanced Format (4k) drives */
932 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" },
933 		/*quirks*/DA_Q_4K
934 	},
935 	{
936 		/* Samsung Advanced Format (4k) drives */
937 		{ T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" },
938 		/*quirks*/DA_Q_4K
939 	},
940 	{
941 		/* Seagate Barracuda Green Advanced Format (4k) drives */
942 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" },
943 		/*quirks*/DA_Q_4K
944 	},
945 	{
946 		/* Seagate Barracuda Green Advanced Format (4k) drives */
947 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" },
948 		/*quirks*/DA_Q_4K
949 	},
950 	{
951 		/* Seagate Barracuda Green Advanced Format (4k) drives */
952 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" },
953 		/*quirks*/DA_Q_4K
954 	},
955 	{
956 		/* Seagate Barracuda Green Advanced Format (4k) drives */
957 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" },
958 		/*quirks*/DA_Q_4K
959 	},
960 	{
961 		/* Seagate Barracuda Green Advanced Format (4k) drives */
962 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" },
963 		/*quirks*/DA_Q_4K
964 	},
965 	{
966 		/* Seagate Barracuda Green Advanced Format (4k) drives */
967 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" },
968 		/*quirks*/DA_Q_4K
969 	},
970 	{
971 		/* Seagate Momentus Advanced Format (4k) drives */
972 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" },
973 		/*quirks*/DA_Q_4K
974 	},
975 	{
976 		/* Seagate Momentus Advanced Format (4k) drives */
977 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" },
978 		/*quirks*/DA_Q_4K
979 	},
980 	{
981 		/* Seagate Momentus Advanced Format (4k) drives */
982 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" },
983 		/*quirks*/DA_Q_4K
984 	},
985 	{
986 		/* Seagate Momentus Advanced Format (4k) drives */
987 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" },
988 		/*quirks*/DA_Q_4K
989 	},
990 	{
991 		/* Seagate Momentus Advanced Format (4k) drives */
992 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" },
993 		/*quirks*/DA_Q_4K
994 	},
995 	{
996 		/* Seagate Momentus Advanced Format (4k) drives */
997 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" },
998 		/*quirks*/DA_Q_4K
999 	},
1000 	{
1001 		/* Seagate Momentus Advanced Format (4k) drives */
1002 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" },
1003 		/*quirks*/DA_Q_4K
1004 	},
1005 	{
1006 		/* Seagate Momentus Advanced Format (4k) drives */
1007 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" },
1008 		/*quirks*/DA_Q_4K
1009 	},
1010 	{
1011 		/* Seagate Momentus Advanced Format (4k) drives */
1012 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" },
1013 		/*quirks*/DA_Q_4K
1014 	},
1015 	{
1016 		/* Seagate Momentus Advanced Format (4k) drives */
1017 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" },
1018 		/*quirks*/DA_Q_4K
1019 	},
1020 	{
1021 		/* Seagate Momentus Advanced Format (4k) drives */
1022 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" },
1023 		/*quirks*/DA_Q_4K
1024 	},
1025 	{
1026 		/* Seagate Momentus Advanced Format (4k) drives */
1027 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" },
1028 		/*quirks*/DA_Q_4K
1029 	},
1030 	{
1031 		/* Seagate Momentus Advanced Format (4k) drives */
1032 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" },
1033 		/*quirks*/DA_Q_4K
1034 	},
1035 	{
1036 		/* Seagate Momentus Advanced Format (4k) drives */
1037 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" },
1038 		/*quirks*/DA_Q_4K
1039 	},
1040 	{
1041 		/* Seagate Momentus Thin Advanced Format (4k) drives */
1042 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" },
1043 		/*quirks*/DA_Q_4K
1044 	},
1045 	{
1046 		/* Seagate Momentus Thin Advanced Format (4k) drives */
1047 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" },
1048 		/*quirks*/DA_Q_4K
1049 	},
1050 	{
1051 		/* WDC Caviar Green Advanced Format (4k) drives */
1052 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" },
1053 		/*quirks*/DA_Q_4K
1054 	},
1055 	{
1056 		/* WDC Caviar Green Advanced Format (4k) drives */
1057 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" },
1058 		/*quirks*/DA_Q_4K
1059 	},
1060 	{
1061 		/* WDC Caviar Green Advanced Format (4k) drives */
1062 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" },
1063 		/*quirks*/DA_Q_4K
1064 	},
1065 	{
1066 		/* WDC Caviar Green Advanced Format (4k) drives */
1067 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" },
1068 		/*quirks*/DA_Q_4K
1069 	},
1070 	{
1071 		/* WDC Caviar Green Advanced Format (4k) drives */
1072 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" },
1073 		/*quirks*/DA_Q_4K
1074 	},
1075 	{
1076 		/* WDC Caviar Green Advanced Format (4k) drives */
1077 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" },
1078 		/*quirks*/DA_Q_4K
1079 	},
1080 	{
1081 		/* WDC Caviar Green Advanced Format (4k) drives */
1082 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" },
1083 		/*quirks*/DA_Q_4K
1084 	},
1085 	{
1086 		/* WDC Caviar Green Advanced Format (4k) drives */
1087 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" },
1088 		/*quirks*/DA_Q_4K
1089 	},
1090 	{
1091 		/* WDC Scorpio Black Advanced Format (4k) drives */
1092 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" },
1093 		/*quirks*/DA_Q_4K
1094 	},
1095 	{
1096 		/* WDC Scorpio Black Advanced Format (4k) drives */
1097 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" },
1098 		/*quirks*/DA_Q_4K
1099 	},
1100 	{
1101 		/* WDC Scorpio Black Advanced Format (4k) drives */
1102 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" },
1103 		/*quirks*/DA_Q_4K
1104 	},
1105 	{
1106 		/* WDC Scorpio Black Advanced Format (4k) drives */
1107 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" },
1108 		/*quirks*/DA_Q_4K
1109 	},
1110 	{
1111 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1112 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" },
1113 		/*quirks*/DA_Q_4K
1114 	},
1115 	{
1116 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1117 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" },
1118 		/*quirks*/DA_Q_4K
1119 	},
1120 	{
1121 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1122 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" },
1123 		/*quirks*/DA_Q_4K
1124 	},
1125 	{
1126 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1127 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" },
1128 		/*quirks*/DA_Q_4K
1129 	},
1130 	{
1131 		/*
1132 		 * Olympus digital cameras (C-3040ZOOM, C-2040ZOOM, C-1)
1133 		 * PR: usb/97472
1134 		 */
1135 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "C*", "*"},
1136 		/*quirks*/ DA_Q_NO_6_BYTE | DA_Q_NO_SYNC_CACHE
1137 	},
1138 	{
1139 		/*
1140 		 * Olympus digital cameras (D-370)
1141 		 * PR: usb/97472
1142 		 */
1143 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "D*", "*"},
1144 		/*quirks*/ DA_Q_NO_6_BYTE
1145 	},
1146 	{
1147 		/*
1148 		 * Olympus digital cameras (E-100RS, E-10).
1149 		 * PR: usb/97472
1150 		 */
1151 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "E*", "*"},
1152 		/*quirks*/ DA_Q_NO_6_BYTE | DA_Q_NO_SYNC_CACHE
1153 	},
1154 	{
1155 		/*
1156 		 * Olympus FE-210 camera
1157 		 */
1158 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*",
1159 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1160 	},
1161 	{
1162 		/*
1163 		* Pentax Digital Camera
1164 		* PR: usb/93389
1165 		*/
1166 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "PENTAX", "DIGITAL CAMERA",
1167 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1168 	},
1169 	{
1170 		/*
1171 		 * LG UP3S MP3 player
1172 		 */
1173 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S",
1174 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1175 	},
1176 	{
1177 		/*
1178 		 * Laser MP3-2GA13 MP3 player
1179 		 */
1180 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk",
1181 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1182 	},
1183 	{
1184 		/*
1185 		 * LaCie external 250GB Hard drive des by Porsche
1186 		 * Submitted by: Ben Stuyts <ben@altesco.nl>
1187 		 * PR: 121474
1188 		 */
1189 		{T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"},
1190 		/*quirks*/ DA_Q_NO_SYNC_CACHE
1191 	},
1192 	/* SATA SSDs */
1193 	{
1194 		/*
1195 		 * Corsair Force 2 SSDs
1196 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1197 		 */
1198 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair CSSD-F*", "*" },
1199 		/*quirks*/DA_Q_4K
1200 	},
1201 	{
1202 		/*
1203 		 * Corsair Force 3 SSDs
1204 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1205 		 */
1206 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force 3*", "*" },
1207 		/*quirks*/DA_Q_4K
1208 	},
1209         {
1210 		/*
1211 		 * Corsair Neutron GTX SSDs
1212 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1213 		 */
1214 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" },
1215 		/*quirks*/DA_Q_4K
1216 	},
1217 	{
1218 		/*
1219 		 * Corsair Force GT & GS SSDs
1220 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1221 		 */
1222 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force G*", "*" },
1223 		/*quirks*/DA_Q_4K
1224 	},
1225 	{
1226 		/*
1227 		 * Crucial M4 SSDs
1228 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1229 		 */
1230 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "M4-CT???M4SSD2*", "*" },
1231 		/*quirks*/DA_Q_4K
1232 	},
1233 	{
1234 		/*
1235 		 * Crucial RealSSD C300 SSDs
1236 		 * 4k optimised
1237 		 */
1238 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "C300-CTFDDAC???MAG*",
1239 		"*" }, /*quirks*/DA_Q_4K
1240 	},
1241 	{
1242 		/*
1243 		 * Intel 320 Series SSDs
1244 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1245 		 */
1246 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2CW*", "*" },
1247 		/*quirks*/DA_Q_4K
1248 	},
1249 	{
1250 		/*
1251 		 * Intel 330 Series SSDs
1252 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1253 		 */
1254 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2CT*", "*" },
1255 		/*quirks*/DA_Q_4K
1256 	},
1257 	{
1258 		/*
1259 		 * Intel 510 Series SSDs
1260 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1261 		 */
1262 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2MH*", "*" },
1263 		/*quirks*/DA_Q_4K
1264 	},
1265 	{
1266 		/*
1267 		 * Intel 520 Series SSDs
1268 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1269 		 */
1270 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BW*", "*" },
1271 		/*quirks*/DA_Q_4K
1272 	},
1273 	{
1274 		/*
1275 		 * Intel S3610 Series SSDs
1276 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1277 		 */
1278 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BX*", "*" },
1279 		/*quirks*/DA_Q_4K
1280 	},
1281 	{
1282 		/*
1283 		 * Intel X25-M Series SSDs
1284 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1285 		 */
1286 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2M*", "*" },
1287 		/*quirks*/DA_Q_4K
1288 	},
1289 	{
1290 		/*
1291 		 * Kingston E100 Series SSDs
1292 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1293 		 */
1294 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SE100S3*", "*" },
1295 		/*quirks*/DA_Q_4K
1296 	},
1297 	{
1298 		/*
1299 		 * Kingston HyperX 3k SSDs
1300 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1301 		 */
1302 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SH103S3*", "*" },
1303 		/*quirks*/DA_Q_4K
1304 	},
1305 	{
1306 		/*
1307 		 * Marvell SSDs (entry taken from OpenSolaris)
1308 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1309 		 */
1310 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MARVELL SD88SA02*", "*" },
1311 		/*quirks*/DA_Q_4K
1312 	},
1313 	{
1314 		/*
1315 		 * OCZ Agility 2 SSDs
1316 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1317 		 */
1318 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" },
1319 		/*quirks*/DA_Q_4K
1320 	},
1321 	{
1322 		/*
1323 		 * OCZ Agility 3 SSDs
1324 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1325 		 */
1326 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-AGILITY3*", "*" },
1327 		/*quirks*/DA_Q_4K
1328 	},
1329 	{
1330 		/*
1331 		 * OCZ Deneva R Series SSDs
1332 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1333 		 */
1334 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "DENRSTE251M45*", "*" },
1335 		/*quirks*/DA_Q_4K
1336 	},
1337 	{
1338 		/*
1339 		 * OCZ Vertex 2 SSDs (inc pro series)
1340 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1341 		 */
1342 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ?VERTEX2*", "*" },
1343 		/*quirks*/DA_Q_4K
1344 	},
1345 	{
1346 		/*
1347 		 * OCZ Vertex 3 SSDs
1348 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1349 		 */
1350 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX3*", "*" },
1351 		/*quirks*/DA_Q_4K
1352 	},
1353 	{
1354 		/*
1355 		 * OCZ Vertex 4 SSDs
1356 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1357 		 */
1358 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX4*", "*" },
1359 		/*quirks*/DA_Q_4K
1360 	},
1361 	{
1362 		/*
1363 		 * Samsung 750 Series SSDs
1364 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1365 		 */
1366 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 750*", "*" },
1367 		/*quirks*/DA_Q_4K
1368 	},
1369 	{
1370 		/*
1371 		 * Samsung 830 Series SSDs
1372 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1373 		 */
1374 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG SSD 830 Series*", "*" },
1375 		/*quirks*/DA_Q_4K
1376 	},
1377 	{
1378 		/*
1379 		 * Samsung 840 SSDs
1380 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1381 		 */
1382 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 840*", "*" },
1383 		/*quirks*/DA_Q_4K
1384 	},
1385 	{
1386 		/*
1387 		 * Samsung 845 SSDs
1388 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1389 		 */
1390 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 845*", "*" },
1391 		/*quirks*/DA_Q_4K
1392 	},
1393 	{
1394 		/*
1395 		 * Samsung 850 SSDs
1396 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1397 		 */
1398 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 850*", "*" },
1399 		/*quirks*/DA_Q_4K
1400 	},
1401 	{
1402 		/*
1403 		 * Samsung 843T Series SSDs (MZ7WD*)
1404 		 * Samsung PM851 Series SSDs (MZ7TE*)
1405 		 * Samsung PM853T Series SSDs (MZ7GE*)
1406 		 * Samsung SM863 Series SSDs (MZ7KM*)
1407 		 * 4k optimised
1408 		 */
1409 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG MZ7*", "*" },
1410 		/*quirks*/DA_Q_4K
1411 	},
1412 	{
1413 		/*
1414 		 * Same as for SAMSUNG MZ7* but enable the quirks for SSD
1415 		 * starting with MZ7* too
1416 		 */
1417 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MZ7*", "*" },
1418 		/*quirks*/DA_Q_4K
1419 	},
1420 	{
1421 		/*
1422                  * Same as above but enable the quirks for SSD SAMSUNG MZ7*
1423                  * connected via SATA-to-SAS interposer and because of this
1424                  * starting without "ATA"
1425 		 */
1426 		{ T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MZ7*", "*" },
1427 		/*quirks*/DA_Q_4K
1428 	},
1429 	{
1430 		/*
1431 		 * SuperTalent TeraDrive CT SSDs
1432 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1433 		 */
1434 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" },
1435 		/*quirks*/DA_Q_4K
1436 	},
1437 	{
1438 		/*
1439 		 * XceedIOPS SATA SSDs
1440 		 * 4k optimised
1441 		 */
1442 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" },
1443 		/*quirks*/DA_Q_4K
1444 	},
1445 	{
1446 		/*
1447 		 * Hama Innostor USB-Stick
1448 		 */
1449 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "Innostor", "Innostor*", "*" },
1450 		/*quirks*/DA_Q_NO_RC16
1451 	},
1452 	{
1453 		/*
1454 		 * Seagate Lamarr 8TB Shingled Magnetic Recording (SMR)
1455 		 * Drive Managed SATA hard drive.  This drive doesn't report
1456 		 * in firmware that it is a drive managed SMR drive.
1457 		 */
1458 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST8000AS000[23]*", "*" },
1459 		/*quirks*/DA_Q_SMR_DM
1460 	},
1461 	{
1462 		/*
1463 		 * MX-ES USB Drive by Mach Xtreme
1464 		 */
1465 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "MX", "MXUB3*", "*"},
1466 		/*quirks*/DA_Q_NO_RC16
1467 	},
1468 };
1469 
1470 static	disk_strategy_t	dastrategy;
1471 static	dumper_t	dadump;
1472 static	periph_init_t	dainit;
1473 static	void		daasync(void *callback_arg, u_int32_t code,
1474 				struct cam_path *path, void *arg);
1475 static	void		dasysctlinit(void *context, int pending);
1476 static	int		dasysctlsofttimeout(SYSCTL_HANDLER_ARGS);
1477 static	int		dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
1478 static	int		dadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
1479 static	int		dabitsysctl(SYSCTL_HANDLER_ARGS);
1480 static	int		daflagssysctl(SYSCTL_HANDLER_ARGS);
1481 static	int		dazonemodesysctl(SYSCTL_HANDLER_ARGS);
1482 static	int		dazonesupsysctl(SYSCTL_HANDLER_ARGS);
1483 static	int		dadeletemaxsysctl(SYSCTL_HANDLER_ARGS);
1484 static	void		dadeletemethodset(struct da_softc *softc,
1485 					  da_delete_methods delete_method);
1486 static	off_t		dadeletemaxsize(struct da_softc *softc,
1487 					da_delete_methods delete_method);
1488 static	void		dadeletemethodchoose(struct da_softc *softc,
1489 					     da_delete_methods default_method);
1490 static	void		daprobedone(struct cam_periph *periph, union ccb *ccb);
1491 
1492 static	periph_ctor_t	daregister;
1493 static	periph_dtor_t	dacleanup;
1494 static	periph_start_t	dastart;
1495 static	periph_oninv_t	daoninvalidate;
1496 static	void		dazonedone(struct cam_periph *periph, union ccb *ccb);
1497 static	void		dadone(struct cam_periph *periph,
1498 			       union ccb *done_ccb);
1499 static void		dadone_probewp(struct cam_periph *periph,
1500 				       union ccb *done_ccb);
1501 static void		dadone_proberc(struct cam_periph *periph,
1502 				       union ccb *done_ccb);
1503 static void		dadone_probelbp(struct cam_periph *periph,
1504 					union ccb *done_ccb);
1505 static void		dadone_probeblklimits(struct cam_periph *periph,
1506 					      union ccb *done_ccb);
1507 static void		dadone_probebdc(struct cam_periph *periph,
1508 					union ccb *done_ccb);
1509 static void		dadone_probeata(struct cam_periph *periph,
1510 					union ccb *done_ccb);
1511 static void		dadone_probeatalogdir(struct cam_periph *periph,
1512 					      union ccb *done_ccb);
1513 static void		dadone_probeataiddir(struct cam_periph *periph,
1514 					     union ccb *done_ccb);
1515 static void		dadone_probeatasup(struct cam_periph *periph,
1516 					   union ccb *done_ccb);
1517 static void		dadone_probeatazone(struct cam_periph *periph,
1518 					    union ccb *done_ccb);
1519 static void		dadone_probezone(struct cam_periph *periph,
1520 					 union ccb *done_ccb);
1521 static void		dadone_tur(struct cam_periph *periph,
1522 				   union ccb *done_ccb);
1523 static  int		daerror(union ccb *ccb, u_int32_t cam_flags,
1524 				u_int32_t sense_flags);
1525 static void		daprevent(struct cam_periph *periph, int action);
1526 static void		dareprobe(struct cam_periph *periph);
1527 static void		dasetgeom(struct cam_periph *periph, uint32_t block_len,
1528 				  uint64_t maxsector,
1529 				  struct scsi_read_capacity_data_long *rcaplong,
1530 				  size_t rcap_size);
1531 static callout_func_t	dasendorderedtag;
1532 static void		dashutdown(void *arg, int howto);
1533 static callout_func_t	damediapoll;
1534 
1535 #ifndef	DA_DEFAULT_POLL_PERIOD
1536 #define	DA_DEFAULT_POLL_PERIOD	3
1537 #endif
1538 
1539 #ifndef DA_DEFAULT_TIMEOUT
1540 #define DA_DEFAULT_TIMEOUT 60	/* Timeout in seconds */
1541 #endif
1542 
1543 #ifndef DA_DEFAULT_SOFTTIMEOUT
1544 #define DA_DEFAULT_SOFTTIMEOUT	0
1545 #endif
1546 
1547 #ifndef	DA_DEFAULT_RETRY
1548 #define	DA_DEFAULT_RETRY	4
1549 #endif
1550 
1551 #ifndef	DA_DEFAULT_SEND_ORDERED
1552 #define	DA_DEFAULT_SEND_ORDERED	1
1553 #endif
1554 
1555 static int da_poll_period = DA_DEFAULT_POLL_PERIOD;
1556 static int da_retry_count = DA_DEFAULT_RETRY;
1557 static int da_default_timeout = DA_DEFAULT_TIMEOUT;
1558 static sbintime_t da_default_softtimeout = DA_DEFAULT_SOFTTIMEOUT;
1559 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED;
1560 static int da_disable_wp_detection = 0;
1561 static int da_enable_biospeedup = 1;
1562 static int da_enable_uma_ccbs = 1;
1563 
1564 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
1565     "CAM Direct Access Disk driver");
1566 SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RWTUN,
1567            &da_poll_period, 0, "Media polling period in seconds");
1568 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RWTUN,
1569            &da_retry_count, 0, "Normal I/O retry count");
1570 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RWTUN,
1571            &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
1572 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RWTUN,
1573            &da_send_ordered, 0, "Send Ordered Tags");
1574 SYSCTL_INT(_kern_cam_da, OID_AUTO, disable_wp_detection, CTLFLAG_RWTUN,
1575            &da_disable_wp_detection, 0,
1576 	   "Disable detection of write-protected disks");
1577 SYSCTL_INT(_kern_cam_da, OID_AUTO, enable_biospeedup, CTLFLAG_RDTUN,
1578 	    &da_enable_biospeedup, 0, "Enable BIO_SPEEDUP processing");
1579 SYSCTL_INT(_kern_cam_da, OID_AUTO, enable_uma_ccbs, CTLFLAG_RWTUN,
1580 	    &da_enable_uma_ccbs, 0, "Use UMA for CCBs");
1581 
1582 SYSCTL_PROC(_kern_cam_da, OID_AUTO, default_softtimeout,
1583     CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_MPSAFE, NULL, 0,
1584     dasysctlsofttimeout, "I",
1585     "Soft I/O timeout (ms)");
1586 TUNABLE_INT64("kern.cam.da.default_softtimeout", &da_default_softtimeout);
1587 
1588 /*
1589  * DA_ORDEREDTAG_INTERVAL determines how often, relative
1590  * to the default timeout, we check to see whether an ordered
1591  * tagged transaction is appropriate to prevent simple tag
1592  * starvation.  Since we'd like to ensure that there is at least
1593  * 1/2 of the timeout length left for a starved transaction to
1594  * complete after we've sent an ordered tag, we must poll at least
1595  * four times in every timeout period.  This takes care of the worst
1596  * case where a starved transaction starts during an interval that
1597  * meets the requirement "don't send an ordered tag" test so it takes
1598  * us two intervals to determine that a tag must be sent.
1599  */
1600 #ifndef DA_ORDEREDTAG_INTERVAL
1601 #define DA_ORDEREDTAG_INTERVAL 4
1602 #endif
1603 
1604 static struct periph_driver dadriver =
1605 {
1606 	dainit, "da",
1607 	TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
1608 };
1609 
1610 PERIPHDRIVER_DECLARE(da, dadriver);
1611 
1612 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
1613 
1614 /*
1615  * This driver takes out references / holds in well defined pairs, never
1616  * recursively. These macros / inline functions enforce those rules. They
1617  * are only enabled with DA_TRACK_REFS or INVARIANTS. If DA_TRACK_REFS is
1618  * defined to be 2 or larger, the tracking also includes debug printfs.
1619  */
1620 #if defined(DA_TRACK_REFS) || defined(INVARIANTS)
1621 
1622 #ifndef DA_TRACK_REFS
1623 #define DA_TRACK_REFS 1
1624 #endif
1625 
1626 #if DA_TRACK_REFS > 1
1627 static const char *da_ref_text[] = {
1628 	"bogus",
1629 	"open",
1630 	"open hold",
1631 	"close hold",
1632 	"reprobe hold",
1633 	"Test Unit Ready",
1634 	"Geom",
1635 	"sysctl",
1636 	"reprobe",
1637 	"max -- also bogus"
1638 };
1639 
1640 #define DA_PERIPH_PRINT(periph, msg, args...)		\
1641 	CAM_PERIPH_PRINT(periph, msg, ##args)
1642 #else
1643 #define DA_PERIPH_PRINT(periph, msg, args...)
1644 #endif
1645 
1646 static inline void
1647 token_sanity(da_ref_token token)
1648 {
1649 	if ((unsigned)token >= DA_REF_MAX)
1650 		panic("Bad token value passed in %d\n", token);
1651 }
1652 
1653 static inline int
1654 da_periph_hold(struct cam_periph *periph, int priority, da_ref_token token)
1655 {
1656 	int err = cam_periph_hold(periph, priority);
1657 
1658 	token_sanity(token);
1659 	DA_PERIPH_PRINT(periph, "Holding device %s (%d): %d\n",
1660 	    da_ref_text[token], token, err);
1661 	if (err == 0) {
1662 		int cnt;
1663 		struct da_softc *softc = periph->softc;
1664 
1665 		cnt = atomic_fetchadd_int(&softc->ref_flags[token], 1);
1666 		if (cnt != 0)
1667 			panic("Re-holding for reason %d, cnt = %d", token, cnt);
1668 	}
1669 	return (err);
1670 }
1671 
1672 static inline void
1673 da_periph_unhold(struct cam_periph *periph, da_ref_token token)
1674 {
1675 	int cnt;
1676 	struct da_softc *softc = periph->softc;
1677 
1678 	token_sanity(token);
1679 	DA_PERIPH_PRINT(periph, "Unholding device %s (%d)\n",
1680 	    da_ref_text[token], token);
1681 	cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1682 	if (cnt != 1)
1683 		panic("Unholding %d with cnt = %d", token, cnt);
1684 	cam_periph_unhold(periph);
1685 }
1686 
1687 static inline int
1688 da_periph_acquire(struct cam_periph *periph, da_ref_token token)
1689 {
1690 	int err = cam_periph_acquire(periph);
1691 
1692 	token_sanity(token);
1693 	DA_PERIPH_PRINT(periph, "acquiring device %s (%d): %d\n",
1694 	    da_ref_text[token], token, err);
1695 	if (err == 0) {
1696 		int cnt;
1697 		struct da_softc *softc = periph->softc;
1698 
1699 		cnt = atomic_fetchadd_int(&softc->ref_flags[token], 1);
1700 		if (cnt != 0)
1701 			panic("Re-refing for reason %d, cnt = %d", token, cnt);
1702 	}
1703 	return (err);
1704 }
1705 
1706 static inline void
1707 da_periph_release(struct cam_periph *periph, da_ref_token token)
1708 {
1709 	int cnt;
1710 	struct da_softc *softc = periph->softc;
1711 
1712 	token_sanity(token);
1713 	DA_PERIPH_PRINT(periph, "releasing device %s (%d)\n",
1714 	    da_ref_text[token], token);
1715 	cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1716 	if (cnt != 1)
1717 		panic("Releasing %d with cnt = %d", token, cnt);
1718 	cam_periph_release(periph);
1719 }
1720 
1721 static inline void
1722 da_periph_release_locked(struct cam_periph *periph, da_ref_token token)
1723 {
1724 	int cnt;
1725 	struct da_softc *softc = periph->softc;
1726 
1727 	token_sanity(token);
1728 	DA_PERIPH_PRINT(periph, "releasing device (locked) %s (%d)\n",
1729 	    da_ref_text[token], token);
1730 	cnt = atomic_fetchadd_int(&softc->ref_flags[token], -1);
1731 	if (cnt != 1)
1732 		panic("releasing (locked) %d with cnt = %d", token, cnt);
1733 	cam_periph_release_locked(periph);
1734 }
1735 
1736 #define cam_periph_hold POISON
1737 #define cam_periph_unhold POISON
1738 #define cam_periph_acquire POISON
1739 #define cam_periph_release POISON
1740 #define cam_periph_release_locked POISON
1741 
1742 #else
1743 #define	da_periph_hold(periph, prio, token)	cam_periph_hold((periph), (prio))
1744 #define da_periph_unhold(periph, token)		cam_periph_unhold((periph))
1745 #define da_periph_acquire(periph, token)	cam_periph_acquire((periph))
1746 #define da_periph_release(periph, token)	cam_periph_release((periph))
1747 #define da_periph_release_locked(periph, token)	cam_periph_release_locked((periph))
1748 #endif
1749 
1750 static int
1751 daopen(struct disk *dp)
1752 {
1753 	struct cam_periph *periph;
1754 	struct da_softc *softc;
1755 	int error;
1756 
1757 	periph = (struct cam_periph *)dp->d_drv1;
1758 	if (da_periph_acquire(periph, DA_REF_OPEN) != 0) {
1759 		return (ENXIO);
1760 	}
1761 
1762 	cam_periph_lock(periph);
1763 	if ((error = da_periph_hold(periph, PRIBIO|PCATCH, DA_REF_OPEN_HOLD)) != 0) {
1764 		cam_periph_unlock(periph);
1765 		da_periph_release(periph, DA_REF_OPEN);
1766 		return (error);
1767 	}
1768 
1769 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1770 	    ("daopen\n"));
1771 
1772 	softc = (struct da_softc *)periph->softc;
1773 	dareprobe(periph);
1774 
1775 	/* Wait for the disk size update.  */
1776 	error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO,
1777 	    "dareprobe", 0);
1778 	if (error != 0)
1779 		xpt_print(periph->path, "unable to retrieve capacity data\n");
1780 
1781 	if (periph->flags & CAM_PERIPH_INVALID)
1782 		error = ENXIO;
1783 
1784 	if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1785 	    (softc->quirks & DA_Q_NO_PREVENT) == 0)
1786 		daprevent(periph, PR_PREVENT);
1787 
1788 	if (error == 0) {
1789 		softc->flags &= ~DA_FLAG_PACK_INVALID;
1790 		softc->flags |= DA_FLAG_OPEN;
1791 	}
1792 
1793 	da_periph_unhold(periph, DA_REF_OPEN_HOLD);
1794 	cam_periph_unlock(periph);
1795 
1796 	if (error != 0)
1797 		da_periph_release(periph, DA_REF_OPEN);
1798 
1799 	return (error);
1800 }
1801 
1802 static int
1803 daclose(struct disk *dp)
1804 {
1805 	struct	cam_periph *periph;
1806 	struct	da_softc *softc;
1807 	union	ccb *ccb;
1808 
1809 	periph = (struct cam_periph *)dp->d_drv1;
1810 	softc = (struct da_softc *)periph->softc;
1811 	cam_periph_lock(periph);
1812 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1813 	    ("daclose\n"));
1814 
1815 	if (da_periph_hold(periph, PRIBIO, DA_REF_CLOSE_HOLD) == 0) {
1816 		/* Flush disk cache. */
1817 		if ((softc->flags & DA_FLAG_DIRTY) != 0 &&
1818 		    (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 &&
1819 		    (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
1820 			ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1821 			scsi_synchronize_cache(&ccb->csio, /*retries*/1,
1822 			    /*cbfcnp*/NULL, MSG_SIMPLE_Q_TAG,
1823 			    /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE,
1824 			    5 * 60 * 1000);
1825 			cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
1826 			    /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR,
1827 			    softc->disk->d_devstat);
1828 			softc->flags &= ~DA_FLAG_DIRTY;
1829 			xpt_release_ccb(ccb);
1830 		}
1831 
1832 		/* Allow medium removal. */
1833 		if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1834 		    (softc->quirks & DA_Q_NO_PREVENT) == 0)
1835 			daprevent(periph, PR_ALLOW);
1836 
1837 		da_periph_unhold(periph, DA_REF_CLOSE_HOLD);
1838 	}
1839 
1840 	/*
1841 	 * If we've got removable media, mark the blocksize as
1842 	 * unavailable, since it could change when new media is
1843 	 * inserted.
1844 	 */
1845 	if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)
1846 		softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1847 
1848 	softc->flags &= ~DA_FLAG_OPEN;
1849 	while (softc->refcount != 0)
1850 		cam_periph_sleep(periph, &softc->refcount, PRIBIO, "daclose", 1);
1851 	cam_periph_unlock(periph);
1852 	da_periph_release(periph, DA_REF_OPEN);
1853 	return (0);
1854 }
1855 
1856 static void
1857 daschedule(struct cam_periph *periph)
1858 {
1859 	struct da_softc *softc = (struct da_softc *)periph->softc;
1860 
1861 	if (softc->state != DA_STATE_NORMAL)
1862 		return;
1863 
1864 	cam_iosched_schedule(softc->cam_iosched, periph);
1865 }
1866 
1867 /*
1868  * Actually translate the requested transfer into one the physical driver
1869  * can understand.  The transfer is described by a buf and will include
1870  * only one physical transfer.
1871  */
1872 static void
1873 dastrategy(struct bio *bp)
1874 {
1875 	struct cam_periph *periph;
1876 	struct da_softc *softc;
1877 
1878 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1879 	softc = (struct da_softc *)periph->softc;
1880 
1881 	cam_periph_lock(periph);
1882 
1883 	/*
1884 	 * If the device has been made invalid, error out
1885 	 */
1886 	if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1887 		cam_periph_unlock(periph);
1888 		biofinish(bp, NULL, ENXIO);
1889 		return;
1890 	}
1891 
1892 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp));
1893 
1894 	/*
1895 	 * Zone commands must be ordered, because they can depend on the
1896 	 * effects of previously issued commands, and they may affect
1897 	 * commands after them.
1898 	 */
1899 	if (bp->bio_cmd == BIO_ZONE)
1900 		bp->bio_flags |= BIO_ORDERED;
1901 
1902 	/*
1903 	 * Place it in the queue of disk activities for this disk
1904 	 */
1905 	cam_iosched_queue_work(softc->cam_iosched, bp);
1906 
1907 	/*
1908 	 * Schedule ourselves for performing the work.
1909 	 */
1910 	daschedule(periph);
1911 	cam_periph_unlock(periph);
1912 
1913 	return;
1914 }
1915 
1916 static int
1917 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1918 {
1919 	struct	    cam_periph *periph;
1920 	struct	    da_softc *softc;
1921 	u_int	    secsize;
1922 	struct	    ccb_scsiio csio;
1923 	struct	    disk *dp;
1924 	int	    error = 0;
1925 
1926 	dp = arg;
1927 	periph = dp->d_drv1;
1928 	softc = (struct da_softc *)periph->softc;
1929 	secsize = softc->params.secsize;
1930 
1931 	if ((softc->flags & DA_FLAG_PACK_INVALID) != 0)
1932 		return (ENXIO);
1933 
1934 	memset(&csio, 0, sizeof(csio));
1935 	if (length > 0) {
1936 		xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1937 		csio.ccb_h.ccb_state = DA_CCB_DUMP;
1938 		scsi_read_write(&csio,
1939 				/*retries*/0,
1940 				/*cbfcnp*/NULL,
1941 				MSG_ORDERED_Q_TAG,
1942 				/*read*/SCSI_RW_WRITE,
1943 				/*byte2*/0,
1944 				/*minimum_cmd_size*/ softc->minimum_cmd_size,
1945 				offset / secsize,
1946 				length / secsize,
1947 				/*data_ptr*/(u_int8_t *) virtual,
1948 				/*dxfer_len*/length,
1949 				/*sense_len*/SSD_FULL_SIZE,
1950 				da_default_timeout * 1000);
1951 		error = cam_periph_runccb((union ccb *)&csio, cam_periph_error,
1952 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1953 		if (error != 0)
1954 			printf("Aborting dump due to I/O error.\n");
1955 		return (error);
1956 	}
1957 
1958 	/*
1959 	 * Sync the disk cache contents to the physical media.
1960 	 */
1961 	if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1962 		xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1963 		csio.ccb_h.ccb_state = DA_CCB_DUMP;
1964 		scsi_synchronize_cache(&csio,
1965 				       /*retries*/0,
1966 				       /*cbfcnp*/NULL,
1967 				       MSG_SIMPLE_Q_TAG,
1968 				       /*begin_lba*/0,/* Cover the whole disk */
1969 				       /*lb_count*/0,
1970 				       SSD_FULL_SIZE,
1971 				       5 * 1000);
1972 		error = cam_periph_runccb((union ccb *)&csio, cam_periph_error,
1973 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1974 		if (error != 0)
1975 			xpt_print(periph->path, "Synchronize cache failed\n");
1976 	}
1977 	return (error);
1978 }
1979 
1980 static int
1981 dagetattr(struct bio *bp)
1982 {
1983 	int ret;
1984 	struct cam_periph *periph;
1985 
1986 	if (g_handleattr_int(bp, "GEOM::canspeedup", da_enable_biospeedup))
1987 		return (EJUSTRETURN);
1988 
1989 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1990 	cam_periph_lock(periph);
1991 	ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1992 	    periph->path);
1993 	cam_periph_unlock(periph);
1994 	if (ret == 0)
1995 		bp->bio_completed = bp->bio_length;
1996 	return ret;
1997 }
1998 
1999 static void
2000 dainit(void)
2001 {
2002 	cam_status status;
2003 
2004 	da_ccb_zone = uma_zcreate("da_ccb",
2005 	    sizeof(struct ccb_scsiio), NULL, NULL, NULL, NULL,
2006 	    UMA_ALIGN_PTR, 0);
2007 
2008 	/*
2009 	 * Install a global async callback.  This callback will
2010 	 * receive async callbacks like "new device found".
2011 	 */
2012 	status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
2013 
2014 	if (status != CAM_REQ_CMP) {
2015 		printf("da: Failed to attach master async callback "
2016 		       "due to status 0x%x!\n", status);
2017 	} else if (da_send_ordered) {
2018 		/* Register our shutdown event handler */
2019 		if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
2020 					   NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
2021 		    printf("dainit: shutdown event registration failed!\n");
2022 	}
2023 }
2024 
2025 /*
2026  * Callback from GEOM, called when it has finished cleaning up its
2027  * resources.
2028  */
2029 static void
2030 dadiskgonecb(struct disk *dp)
2031 {
2032 	struct cam_periph *periph;
2033 
2034 	periph = (struct cam_periph *)dp->d_drv1;
2035 	da_periph_release(periph, DA_REF_GEOM);
2036 }
2037 
2038 static void
2039 daoninvalidate(struct cam_periph *periph)
2040 {
2041 	struct da_softc *softc;
2042 
2043 	cam_periph_assert(periph, MA_OWNED);
2044 	softc = (struct da_softc *)periph->softc;
2045 
2046 	/*
2047 	 * De-register any async callbacks.
2048 	 */
2049 	xpt_register_async(0, daasync, periph, periph->path);
2050 
2051 	softc->flags |= DA_FLAG_PACK_INVALID;
2052 #ifdef CAM_IO_STATS
2053 	softc->invalidations++;
2054 #endif
2055 
2056 	/*
2057 	 * Return all queued I/O with ENXIO.
2058 	 * XXX Handle any transactions queued to the card
2059 	 *     with XPT_ABORT_CCB.
2060 	 */
2061 	cam_iosched_flush(softc->cam_iosched, NULL, ENXIO);
2062 
2063 	/*
2064 	 * Tell GEOM that we've gone away, we'll get a callback when it is
2065 	 * done cleaning up its resources.
2066 	 */
2067 	disk_gone(softc->disk);
2068 }
2069 
2070 static void
2071 dacleanup(struct cam_periph *periph)
2072 {
2073 	struct da_softc *softc;
2074 
2075 	softc = (struct da_softc *)periph->softc;
2076 
2077 	cam_periph_unlock(periph);
2078 
2079 	cam_iosched_fini(softc->cam_iosched);
2080 
2081 	/*
2082 	 * If we can't free the sysctl tree, oh well...
2083 	 */
2084 	if ((softc->flags & DA_FLAG_SCTX_INIT) != 0) {
2085 #ifdef CAM_IO_STATS
2086 		if (sysctl_ctx_free(&softc->sysctl_stats_ctx) != 0)
2087 			xpt_print(periph->path,
2088 			    "can't remove sysctl stats context\n");
2089 #endif
2090 		if (sysctl_ctx_free(&softc->sysctl_ctx) != 0)
2091 			xpt_print(periph->path,
2092 			    "can't remove sysctl context\n");
2093 	}
2094 
2095 	callout_drain(&softc->mediapoll_c);
2096 	disk_destroy(softc->disk);
2097 	callout_drain(&softc->sendordered_c);
2098 	free(softc, M_DEVBUF);
2099 	cam_periph_lock(periph);
2100 }
2101 
2102 static void
2103 daasync(void *callback_arg, u_int32_t code,
2104 	struct cam_path *path, void *arg)
2105 {
2106 	struct cam_periph *periph;
2107 	struct da_softc *softc;
2108 
2109 	periph = (struct cam_periph *)callback_arg;
2110 	switch (code) {
2111 	case AC_FOUND_DEVICE:	/* callback to create periph, no locking yet */
2112 	{
2113 		struct ccb_getdev *cgd;
2114 		cam_status status;
2115 
2116 		cgd = (struct ccb_getdev *)arg;
2117 		if (cgd == NULL)
2118 			break;
2119 
2120 		if (cgd->protocol != PROTO_SCSI)
2121 			break;
2122 		if (SID_QUAL(&cgd->inq_data) != SID_QUAL_LU_CONNECTED)
2123 			break;
2124 		if (SID_TYPE(&cgd->inq_data) != T_DIRECT
2125 		    && SID_TYPE(&cgd->inq_data) != T_RBC
2126 		    && SID_TYPE(&cgd->inq_data) != T_OPTICAL
2127 		    && SID_TYPE(&cgd->inq_data) != T_ZBC_HM)
2128 			break;
2129 
2130 		/*
2131 		 * Allocate a peripheral instance for
2132 		 * this device and start the probe
2133 		 * process.
2134 		 */
2135 		status = cam_periph_alloc(daregister, daoninvalidate,
2136 					  dacleanup, dastart,
2137 					  "da", CAM_PERIPH_BIO,
2138 					  path, daasync,
2139 					  AC_FOUND_DEVICE, cgd);
2140 
2141 		if (status != CAM_REQ_CMP
2142 		 && status != CAM_REQ_INPROG)
2143 			printf("daasync: Unable to attach to new device "
2144 				"due to status 0x%x\n", status);
2145 		return;
2146 	}
2147 	case AC_ADVINFO_CHANGED:	/* Doesn't touch periph */
2148 	{
2149 		uintptr_t buftype;
2150 
2151 		buftype = (uintptr_t)arg;
2152 		if (buftype == CDAI_TYPE_PHYS_PATH) {
2153 			struct da_softc *softc;
2154 
2155 			softc = periph->softc;
2156 			disk_attr_changed(softc->disk, "GEOM::physpath",
2157 					  M_NOWAIT);
2158 		}
2159 		break;
2160 	}
2161 	case AC_UNIT_ATTENTION:
2162 	{
2163 		union ccb *ccb;
2164 		int error_code, sense_key, asc, ascq;
2165 
2166 		softc = (struct da_softc *)periph->softc;
2167 		ccb = (union ccb *)arg;
2168 
2169 		/*
2170 		 * Handle all UNIT ATTENTIONs except our own, as they will be
2171 		 * handled by daerror(). Since this comes from a different periph,
2172 		 * that periph's lock is held, not ours, so we have to take it ours
2173 		 * out to touch softc flags.
2174 		 */
2175 		if (xpt_path_periph(ccb->ccb_h.path) != periph &&
2176 		    scsi_extract_sense_ccb(ccb,
2177 		     &error_code, &sense_key, &asc, &ascq)) {
2178 			if (asc == 0x2A && ascq == 0x09) {
2179 				xpt_print(ccb->ccb_h.path,
2180 				    "Capacity data has changed\n");
2181 				cam_periph_lock(periph);
2182 				softc->flags &= ~DA_FLAG_PROBED;
2183 				dareprobe(periph);
2184 				cam_periph_unlock(periph);
2185 			} else if (asc == 0x28 && ascq == 0x00) {
2186 				cam_periph_lock(periph);
2187 				softc->flags &= ~DA_FLAG_PROBED;
2188 				cam_periph_unlock(periph);
2189 				disk_media_changed(softc->disk, M_NOWAIT);
2190 			} else if (asc == 0x3F && ascq == 0x03) {
2191 				xpt_print(ccb->ccb_h.path,
2192 				    "INQUIRY data has changed\n");
2193 				cam_periph_lock(periph);
2194 				softc->flags &= ~DA_FLAG_PROBED;
2195 				dareprobe(periph);
2196 				cam_periph_unlock(periph);
2197 			}
2198 		}
2199 		break;
2200 	}
2201 	case AC_SCSI_AEN:		/* Called for this path: periph locked */
2202 		/*
2203 		 * Appears to be currently unused for SCSI devices, only ata SIMs
2204 		 * generate this.
2205 		 */
2206 		cam_periph_assert(periph, MA_OWNED);
2207 		softc = (struct da_softc *)periph->softc;
2208 		if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR) &&
2209 		    (softc->flags & DA_FLAG_TUR_PENDING) == 0) {
2210 			if (da_periph_acquire(periph, DA_REF_TUR) == 0) {
2211 				cam_iosched_set_work_flags(softc->cam_iosched, DA_WORK_TUR);
2212 				daschedule(periph);
2213 			}
2214 		}
2215 		/* FALLTHROUGH */
2216 	case AC_SENT_BDR:		/* Called for this path: periph locked */
2217 	case AC_BUS_RESET:		/* Called for this path: periph locked */
2218 	{
2219 		struct ccb_hdr *ccbh;
2220 
2221 		cam_periph_assert(periph, MA_OWNED);
2222 		softc = (struct da_softc *)periph->softc;
2223 		/*
2224 		 * Don't fail on the expected unit attention
2225 		 * that will occur.
2226 		 */
2227 		softc->flags |= DA_FLAG_RETRY_UA;
2228 		LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
2229 			ccbh->ccb_state |= DA_CCB_RETRY_UA;
2230 		break;
2231 	}
2232 	case AC_INQ_CHANGED:		/* Called for this path: periph locked */
2233 		cam_periph_assert(periph, MA_OWNED);
2234 		softc = (struct da_softc *)periph->softc;
2235 		softc->flags &= ~DA_FLAG_PROBED;
2236 		dareprobe(periph);
2237 		break;
2238 	default:
2239 		break;
2240 	}
2241 	cam_periph_async(periph, code, path, arg);
2242 }
2243 
2244 static void
2245 dasysctlinit(void *context, int pending)
2246 {
2247 	struct cam_periph *periph;
2248 	struct da_softc *softc;
2249 	char tmpstr[32], tmpstr2[16];
2250 	struct ccb_trans_settings cts;
2251 
2252 	periph = (struct cam_periph *)context;
2253 	/*
2254 	 * periph was held for us when this task was enqueued
2255 	 */
2256 	if (periph->flags & CAM_PERIPH_INVALID) {
2257 		da_periph_release(periph, DA_REF_SYSCTL);
2258 		return;
2259 	}
2260 
2261 	softc = (struct da_softc *)periph->softc;
2262 	snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
2263 	snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
2264 
2265 	sysctl_ctx_init(&softc->sysctl_ctx);
2266 	cam_periph_lock(periph);
2267 	softc->flags |= DA_FLAG_SCTX_INIT;
2268 	cam_periph_unlock(periph);
2269 	softc->sysctl_tree = SYSCTL_ADD_NODE_WITH_LABEL(&softc->sysctl_ctx,
2270 		SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
2271 		CTLFLAG_RD | CTLFLAG_MPSAFE, 0, tmpstr, "device_index");
2272 	if (softc->sysctl_tree == NULL) {
2273 		printf("dasysctlinit: unable to allocate sysctl tree\n");
2274 		da_periph_release(periph, DA_REF_SYSCTL);
2275 		return;
2276 	}
2277 
2278 	/*
2279 	 * Now register the sysctl handler, so the user can change the value on
2280 	 * the fly.
2281 	 */
2282 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2283 		OID_AUTO, "delete_method",
2284 		CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
2285 		softc, 0, dadeletemethodsysctl, "A",
2286 		"BIO_DELETE execution method");
2287 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2288 		OID_AUTO, "delete_max",
2289 		CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE,
2290 		softc, 0, dadeletemaxsysctl, "Q",
2291 		"Maximum BIO_DELETE size");
2292 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2293 		OID_AUTO, "minimum_cmd_size",
2294 		CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE,
2295 		&softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
2296 		"Minimum CDB size");
2297 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2298 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2299 		"trim_count", CTLFLAG_RD, &softc->trim_count,
2300 		"Total number of unmap/dsm commands sent");
2301 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2302 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2303 		"trim_ranges", CTLFLAG_RD, &softc->trim_ranges,
2304 		"Total number of ranges in unmap/dsm commands");
2305 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2306 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2307 		"trim_lbas", CTLFLAG_RD, &softc->trim_lbas,
2308 		"Total lbas in the unmap/dsm commands sent");
2309 
2310 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2311 		OID_AUTO, "zone_mode",
2312 		CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
2313 		softc, 0, dazonemodesysctl, "A",
2314 		"Zone Mode");
2315 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2316 		OID_AUTO, "zone_support",
2317 		CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
2318 		softc, 0, dazonesupsysctl, "A",
2319 		"Zone Support");
2320 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2321 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2322 		"optimal_seq_zones", CTLFLAG_RD, &softc->optimal_seq_zones,
2323 		"Optimal Number of Open Sequential Write Preferred Zones");
2324 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2325 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2326 		"optimal_nonseq_zones", CTLFLAG_RD,
2327 		&softc->optimal_nonseq_zones,
2328 		"Optimal Number of Non-Sequentially Written Sequential Write "
2329 		"Preferred Zones");
2330 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2331 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2332 		"max_seq_zones", CTLFLAG_RD, &softc->max_seq_zones,
2333 		"Maximum Number of Open Sequential Write Required Zones");
2334 
2335 	SYSCTL_ADD_INT(&softc->sysctl_ctx,
2336 		       SYSCTL_CHILDREN(softc->sysctl_tree),
2337 		       OID_AUTO,
2338 		       "error_inject",
2339 		       CTLFLAG_RW,
2340 		       &softc->error_inject,
2341 		       0,
2342 		       "error_inject leaf");
2343 
2344 	SYSCTL_ADD_INT(&softc->sysctl_ctx,
2345 		       SYSCTL_CHILDREN(softc->sysctl_tree),
2346 		       OID_AUTO,
2347 		       "p_type",
2348 		       CTLFLAG_RD,
2349 		       &softc->p_type,
2350 		       0,
2351 		       "DIF protection type");
2352 
2353 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2354 	    OID_AUTO, "flags", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
2355 	    softc, 0, daflagssysctl, "A",
2356 	    "Flags for drive");
2357 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2358 	    OID_AUTO, "rotating", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE,
2359 	    &softc->flags, (u_int)DA_FLAG_ROTATING, dabitsysctl, "I",
2360 	    "Rotating media *DEPRECATED* gone in FreeBSD 14");
2361 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2362 	    OID_AUTO, "unmapped_io", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE,
2363 	    &softc->flags, (u_int)DA_FLAG_UNMAPPEDIO, dabitsysctl, "I",
2364 	    "Unmapped I/O support *DEPRECATED* gone in FreeBSD 14");
2365 
2366 #ifdef CAM_TEST_FAILURE
2367 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2368 		OID_AUTO, "invalidate", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE,
2369 		periph, 0, cam_periph_invalidate_sysctl, "I",
2370 		"Write 1 to invalidate the drive immediately");
2371 #endif
2372 
2373 	/*
2374 	 * Add some addressing info.
2375 	 */
2376 	memset(&cts, 0, sizeof (cts));
2377 	xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
2378 	cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
2379 	cts.type = CTS_TYPE_CURRENT_SETTINGS;
2380 	cam_periph_lock(periph);
2381 	xpt_action((union ccb *)&cts);
2382 	cam_periph_unlock(periph);
2383 	if (cts.ccb_h.status != CAM_REQ_CMP) {
2384 		da_periph_release(periph, DA_REF_SYSCTL);
2385 		return;
2386 	}
2387 	if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) {
2388 		struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc;
2389 		if (fc->valid & CTS_FC_VALID_WWPN) {
2390 			softc->wwpn = fc->wwpn;
2391 			SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2392 			    SYSCTL_CHILDREN(softc->sysctl_tree),
2393 			    OID_AUTO, "wwpn", CTLFLAG_RD,
2394 			    &softc->wwpn, "World Wide Port Name");
2395 		}
2396 	}
2397 
2398 #ifdef CAM_IO_STATS
2399 	/*
2400 	 * Now add some useful stats.
2401 	 * XXX These should live in cam_periph and be common to all periphs
2402 	 */
2403 	softc->sysctl_stats_tree = SYSCTL_ADD_NODE(&softc->sysctl_stats_ctx,
2404 	    SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "stats",
2405 	    CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Statistics");
2406 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2407 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2408 		       OID_AUTO,
2409 		       "errors",
2410 		       CTLFLAG_RD,
2411 		       &softc->errors,
2412 		       0,
2413 		       "Transport errors reported by the SIM");
2414 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2415 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2416 		       OID_AUTO,
2417 		       "timeouts",
2418 		       CTLFLAG_RD,
2419 		       &softc->timeouts,
2420 		       0,
2421 		       "Device timeouts reported by the SIM");
2422 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2423 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2424 		       OID_AUTO,
2425 		       "pack_invalidations",
2426 		       CTLFLAG_RD,
2427 		       &softc->invalidations,
2428 		       0,
2429 		       "Device pack invalidations");
2430 #endif
2431 
2432 	cam_iosched_sysctl_init(softc->cam_iosched, &softc->sysctl_ctx,
2433 	    softc->sysctl_tree);
2434 
2435 	da_periph_release(periph, DA_REF_SYSCTL);
2436 }
2437 
2438 static int
2439 dadeletemaxsysctl(SYSCTL_HANDLER_ARGS)
2440 {
2441 	int error;
2442 	uint64_t value;
2443 	struct da_softc *softc;
2444 
2445 	softc = (struct da_softc *)arg1;
2446 
2447 	value = softc->disk->d_delmaxsize;
2448 	error = sysctl_handle_64(oidp, &value, 0, req);
2449 	if ((error != 0) || (req->newptr == NULL))
2450 		return (error);
2451 
2452 	/* only accept values smaller than the calculated value */
2453 	if (value > dadeletemaxsize(softc, softc->delete_method)) {
2454 		return (EINVAL);
2455 	}
2456 	softc->disk->d_delmaxsize = value;
2457 
2458 	return (0);
2459 }
2460 
2461 static int
2462 dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
2463 {
2464 	int error, value;
2465 
2466 	value = *(int *)arg1;
2467 
2468 	error = sysctl_handle_int(oidp, &value, 0, req);
2469 
2470 	if ((error != 0)
2471 	 || (req->newptr == NULL))
2472 		return (error);
2473 
2474 	/*
2475 	 * Acceptable values here are 6, 10, 12 or 16.
2476 	 */
2477 	if (value < 6)
2478 		value = 6;
2479 	else if ((value > 6)
2480 	      && (value <= 10))
2481 		value = 10;
2482 	else if ((value > 10)
2483 	      && (value <= 12))
2484 		value = 12;
2485 	else if (value > 12)
2486 		value = 16;
2487 
2488 	*(int *)arg1 = value;
2489 
2490 	return (0);
2491 }
2492 
2493 static int
2494 dasysctlsofttimeout(SYSCTL_HANDLER_ARGS)
2495 {
2496 	sbintime_t value;
2497 	int error;
2498 
2499 	value = da_default_softtimeout / SBT_1MS;
2500 
2501 	error = sysctl_handle_int(oidp, (int *)&value, 0, req);
2502 	if ((error != 0) || (req->newptr == NULL))
2503 		return (error);
2504 
2505 	/* XXX Should clip this to a reasonable level */
2506 	if (value > da_default_timeout * 1000)
2507 		return (EINVAL);
2508 
2509 	da_default_softtimeout = value * SBT_1MS;
2510 	return (0);
2511 }
2512 
2513 static void
2514 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method)
2515 {
2516 
2517 	softc->delete_method = delete_method;
2518 	softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method);
2519 	softc->delete_func = da_delete_functions[delete_method];
2520 
2521 	if (softc->delete_method > DA_DELETE_DISABLE)
2522 		softc->disk->d_flags |= DISKFLAG_CANDELETE;
2523 	else
2524 		softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
2525 }
2526 
2527 static off_t
2528 dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method)
2529 {
2530 	off_t sectors;
2531 
2532 	switch(delete_method) {
2533 	case DA_DELETE_UNMAP:
2534 		sectors = (off_t)softc->unmap_max_lba;
2535 		break;
2536 	case DA_DELETE_ATA_TRIM:
2537 		sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
2538 		break;
2539 	case DA_DELETE_WS16:
2540 		sectors = omin(softc->ws_max_blks, WS16_MAX_BLKS);
2541 		break;
2542 	case DA_DELETE_ZERO:
2543 	case DA_DELETE_WS10:
2544 		sectors = omin(softc->ws_max_blks, WS10_MAX_BLKS);
2545 		break;
2546 	default:
2547 		return 0;
2548 	}
2549 
2550 	return (off_t)softc->params.secsize *
2551 	    omin(sectors, softc->params.sectors);
2552 }
2553 
2554 static void
2555 daprobedone(struct cam_periph *periph, union ccb *ccb)
2556 {
2557 	struct da_softc *softc;
2558 
2559 	softc = (struct da_softc *)periph->softc;
2560 
2561 	cam_periph_assert(periph, MA_OWNED);
2562 
2563 	dadeletemethodchoose(softc, DA_DELETE_NONE);
2564 
2565 	if (bootverbose && (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2566 		char buf[80];
2567 		int i, sep;
2568 
2569 		snprintf(buf, sizeof(buf), "Delete methods: <");
2570 		sep = 0;
2571 		for (i = 0; i <= DA_DELETE_MAX; i++) {
2572 			if ((softc->delete_available & (1 << i)) == 0 &&
2573 			    i != softc->delete_method)
2574 				continue;
2575 			if (sep)
2576 				strlcat(buf, ",", sizeof(buf));
2577 			strlcat(buf, da_delete_method_names[i],
2578 			    sizeof(buf));
2579 			if (i == softc->delete_method)
2580 				strlcat(buf, "(*)", sizeof(buf));
2581 			sep = 1;
2582 		}
2583 		strlcat(buf, ">", sizeof(buf));
2584 		printf("%s%d: %s\n", periph->periph_name,
2585 		    periph->unit_number, buf);
2586 	}
2587 	if ((softc->disk->d_flags & DISKFLAG_WRITE_PROTECT) != 0 &&
2588 	    (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2589 		printf("%s%d: Write Protected\n", periph->periph_name,
2590 		    periph->unit_number);
2591 	}
2592 
2593 	/*
2594 	 * Since our peripheral may be invalidated by an error
2595 	 * above or an external event, we must release our CCB
2596 	 * before releasing the probe lock on the peripheral.
2597 	 * The peripheral will only go away once the last lock
2598 	 * is removed, and we need it around for the CCB release
2599 	 * operation.
2600 	 */
2601 	xpt_release_ccb(ccb);
2602 	softc->state = DA_STATE_NORMAL;
2603 	softc->flags |= DA_FLAG_PROBED;
2604 	daschedule(periph);
2605 	wakeup(&softc->disk->d_mediasize);
2606 	if ((softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2607 		softc->flags |= DA_FLAG_ANNOUNCED;
2608 		da_periph_unhold(periph, DA_REF_PROBE_HOLD);
2609 	} else
2610 		da_periph_release_locked(periph, DA_REF_REPROBE);
2611 }
2612 
2613 static void
2614 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method)
2615 {
2616 	int i, methods;
2617 
2618 	/* If available, prefer the method requested by user. */
2619 	i = softc->delete_method_pref;
2620 	methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
2621 	if (methods & (1 << i)) {
2622 		dadeletemethodset(softc, i);
2623 		return;
2624 	}
2625 
2626 	/* Use the pre-defined order to choose the best performing delete. */
2627 	for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
2628 		if (i == DA_DELETE_ZERO)
2629 			continue;
2630 		if (softc->delete_available & (1 << i)) {
2631 			dadeletemethodset(softc, i);
2632 			return;
2633 		}
2634 	}
2635 
2636 	/* Fallback to default. */
2637 	dadeletemethodset(softc, default_method);
2638 }
2639 
2640 static int
2641 dabitsysctl(SYSCTL_HANDLER_ARGS)
2642 {
2643 	u_int *flags = arg1;
2644 	u_int test = arg2;
2645 	int tmpout, error;
2646 
2647 	tmpout = !!(*flags & test);
2648 	error = SYSCTL_OUT(req, &tmpout, sizeof(tmpout));
2649 	if (error || !req->newptr)
2650 		return (error);
2651 
2652 	return (EPERM);
2653 }
2654 
2655 static int
2656 daflagssysctl(SYSCTL_HANDLER_ARGS)
2657 {
2658 	struct sbuf sbuf;
2659 	struct da_softc *softc = arg1;
2660 	int error;
2661 
2662 	sbuf_new_for_sysctl(&sbuf, NULL, 0, req);
2663 	if (softc->flags != 0)
2664 		sbuf_printf(&sbuf, "0x%b", (unsigned)softc->flags, DA_FLAG_STRING);
2665 	else
2666 		sbuf_printf(&sbuf, "0");
2667 	error = sbuf_finish(&sbuf);
2668 	sbuf_delete(&sbuf);
2669 
2670 	return (error);
2671 }
2672 
2673 static int
2674 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
2675 {
2676 	char buf[16];
2677 	const char *p;
2678 	struct da_softc *softc;
2679 	int i, error, value;
2680 
2681 	softc = (struct da_softc *)arg1;
2682 
2683 	value = softc->delete_method;
2684 	if (value < 0 || value > DA_DELETE_MAX)
2685 		p = "UNKNOWN";
2686 	else
2687 		p = da_delete_method_names[value];
2688 	strncpy(buf, p, sizeof(buf));
2689 	error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
2690 	if (error != 0 || req->newptr == NULL)
2691 		return (error);
2692 	for (i = 0; i <= DA_DELETE_MAX; i++) {
2693 		if (strcmp(buf, da_delete_method_names[i]) == 0)
2694 			break;
2695 	}
2696 	if (i > DA_DELETE_MAX)
2697 		return (EINVAL);
2698 	softc->delete_method_pref = i;
2699 	dadeletemethodchoose(softc, DA_DELETE_NONE);
2700 	return (0);
2701 }
2702 
2703 static int
2704 dazonemodesysctl(SYSCTL_HANDLER_ARGS)
2705 {
2706 	char tmpbuf[40];
2707 	struct da_softc *softc;
2708 	int error;
2709 
2710 	softc = (struct da_softc *)arg1;
2711 
2712 	switch (softc->zone_mode) {
2713 	case DA_ZONE_DRIVE_MANAGED:
2714 		snprintf(tmpbuf, sizeof(tmpbuf), "Drive Managed");
2715 		break;
2716 	case DA_ZONE_HOST_AWARE:
2717 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Aware");
2718 		break;
2719 	case DA_ZONE_HOST_MANAGED:
2720 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Managed");
2721 		break;
2722 	case DA_ZONE_NONE:
2723 	default:
2724 		snprintf(tmpbuf, sizeof(tmpbuf), "Not Zoned");
2725 		break;
2726 	}
2727 
2728 	error = sysctl_handle_string(oidp, tmpbuf, sizeof(tmpbuf), req);
2729 
2730 	return (error);
2731 }
2732 
2733 static int
2734 dazonesupsysctl(SYSCTL_HANDLER_ARGS)
2735 {
2736 	char tmpbuf[180];
2737 	struct da_softc *softc;
2738 	struct sbuf sb;
2739 	int error, first;
2740 	unsigned int i;
2741 
2742 	softc = (struct da_softc *)arg1;
2743 
2744 	error = 0;
2745 	first = 1;
2746 	sbuf_new(&sb, tmpbuf, sizeof(tmpbuf), 0);
2747 
2748 	for (i = 0; i < sizeof(da_zone_desc_table) /
2749 	     sizeof(da_zone_desc_table[0]); i++) {
2750 		if (softc->zone_flags & da_zone_desc_table[i].value) {
2751 			if (first == 0)
2752 				sbuf_printf(&sb, ", ");
2753 			else
2754 				first = 0;
2755 			sbuf_cat(&sb, da_zone_desc_table[i].desc);
2756 		}
2757 	}
2758 
2759 	if (first == 1)
2760 		sbuf_printf(&sb, "None");
2761 
2762 	sbuf_finish(&sb);
2763 
2764 	error = sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
2765 
2766 	return (error);
2767 }
2768 
2769 static cam_status
2770 daregister(struct cam_periph *periph, void *arg)
2771 {
2772 	struct da_softc *softc;
2773 	struct ccb_pathinq cpi;
2774 	struct ccb_getdev *cgd;
2775 	char tmpstr[80];
2776 	caddr_t match;
2777 	int quirks;
2778 
2779 	cgd = (struct ccb_getdev *)arg;
2780 	if (cgd == NULL) {
2781 		printf("daregister: no getdev CCB, can't register device\n");
2782 		return(CAM_REQ_CMP_ERR);
2783 	}
2784 
2785 	softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
2786 	    M_NOWAIT|M_ZERO);
2787 
2788 	if (softc == NULL) {
2789 		printf("daregister: Unable to probe new device. "
2790 		       "Unable to allocate softc\n");
2791 		return(CAM_REQ_CMP_ERR);
2792 	}
2793 
2794 	if (cam_iosched_init(&softc->cam_iosched, periph) != 0) {
2795 		printf("daregister: Unable to probe new device. "
2796 		       "Unable to allocate iosched memory\n");
2797 		free(softc, M_DEVBUF);
2798 		return(CAM_REQ_CMP_ERR);
2799 	}
2800 
2801 	LIST_INIT(&softc->pending_ccbs);
2802 	softc->state = DA_STATE_PROBE_WP;
2803 	bioq_init(&softc->delete_run_queue);
2804 	if (SID_IS_REMOVABLE(&cgd->inq_data))
2805 		softc->flags |= DA_FLAG_PACK_REMOVABLE;
2806 	softc->unmap_max_ranges = UNMAP_MAX_RANGES;
2807 	softc->unmap_max_lba = UNMAP_RANGE_MAX;
2808 	softc->unmap_gran = 0;
2809 	softc->unmap_gran_align = 0;
2810 	softc->ws_max_blks = WS16_MAX_BLKS;
2811 	softc->trim_max_ranges = ATA_TRIM_MAX_RANGES;
2812 	softc->flags |= DA_FLAG_ROTATING;
2813 
2814 	periph->softc = softc;
2815 
2816 	/*
2817 	 * See if this device has any quirks.
2818 	 */
2819 	match = cam_quirkmatch((caddr_t)&cgd->inq_data,
2820 			       (caddr_t)da_quirk_table,
2821 			       nitems(da_quirk_table),
2822 			       sizeof(*da_quirk_table), scsi_inquiry_match);
2823 
2824 	if (match != NULL)
2825 		softc->quirks = ((struct da_quirk_entry *)match)->quirks;
2826 	else
2827 		softc->quirks = DA_Q_NONE;
2828 
2829 	/* Check if the SIM does not want 6 byte commands */
2830 	xpt_path_inq(&cpi, periph->path);
2831 	if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
2832 		softc->quirks |= DA_Q_NO_6_BYTE;
2833 
2834 	/* Override quirks if tunable is set */
2835 	snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.quirks",
2836 		 periph->unit_number);
2837 	quirks = softc->quirks;
2838 	TUNABLE_INT_FETCH(tmpstr, &quirks);
2839 	softc->quirks = quirks;
2840 
2841 	if (SID_TYPE(&cgd->inq_data) == T_ZBC_HM)
2842 		softc->zone_mode = DA_ZONE_HOST_MANAGED;
2843 	else if (softc->quirks & DA_Q_SMR_DM)
2844 		softc->zone_mode = DA_ZONE_DRIVE_MANAGED;
2845 	else
2846 		softc->zone_mode = DA_ZONE_NONE;
2847 
2848 	if (softc->zone_mode != DA_ZONE_NONE) {
2849 		if (scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
2850 			if (scsi_vpd_supported_page(periph, SVPD_ZONED_BDC))
2851 				softc->zone_interface = DA_ZONE_IF_ATA_SAT;
2852 			else
2853 				softc->zone_interface = DA_ZONE_IF_ATA_PASS;
2854 		} else
2855 			softc->zone_interface = DA_ZONE_IF_SCSI;
2856 	}
2857 
2858 	TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
2859 
2860 	/*
2861 	 * Let XPT know we can use UMA-allocated CCBs.
2862 	 */
2863 	if (da_enable_uma_ccbs) {
2864 		KASSERT(da_ccb_zone != NULL,
2865 		    ("%s: NULL da_ccb_zone", __func__));
2866 		periph->ccb_zone = da_ccb_zone;
2867 	}
2868 
2869 	/*
2870 	 * Take an exclusive section lock on the periph while dastart is called
2871 	 * to finish the probe.  The lock will be dropped in dadone at the end
2872 	 * of probe. This locks out daopen and daclose from racing with the
2873 	 * probe.
2874 	 *
2875 	 * XXX if cam_periph_hold returns an error, we don't hold a refcount.
2876 	 */
2877 	(void)da_periph_hold(periph, PRIBIO, DA_REF_PROBE_HOLD);
2878 
2879 	/*
2880 	 * Schedule a periodic event to occasionally send an
2881 	 * ordered tag to a device.
2882 	 */
2883 	callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
2884 	callout_reset(&softc->sendordered_c,
2885 	    (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
2886 	    dasendorderedtag, periph);
2887 
2888 	cam_periph_unlock(periph);
2889 	/*
2890 	 * RBC devices don't have to support READ(6), only READ(10).
2891 	 */
2892 	if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
2893 		softc->minimum_cmd_size = 10;
2894 	else
2895 		softc->minimum_cmd_size = 6;
2896 
2897 	/*
2898 	 * Load the user's default, if any.
2899 	 */
2900 	snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
2901 		 periph->unit_number);
2902 	TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
2903 
2904 	/*
2905 	 * 6, 10, 12 and 16 are the currently permissible values.
2906 	 */
2907 	if (softc->minimum_cmd_size > 12)
2908 		softc->minimum_cmd_size = 16;
2909 	else if (softc->minimum_cmd_size > 10)
2910 		softc->minimum_cmd_size = 12;
2911 	else if (softc->minimum_cmd_size > 6)
2912 		softc->minimum_cmd_size = 10;
2913 	else
2914 		softc->minimum_cmd_size = 6;
2915 
2916 	/* Predict whether device may support READ CAPACITY(16). */
2917 	if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 &&
2918 	    (softc->quirks & DA_Q_NO_RC16) == 0) {
2919 		softc->flags |= DA_FLAG_CAN_RC16;
2920 	}
2921 
2922 	/*
2923 	 * Register this media as a disk.
2924 	 */
2925 	softc->disk = disk_alloc();
2926 	softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
2927 			  periph->unit_number, 0,
2928 			  DEVSTAT_BS_UNAVAILABLE,
2929 			  SID_TYPE(&cgd->inq_data) |
2930 			  XPORT_DEVSTAT_TYPE(cpi.transport),
2931 			  DEVSTAT_PRIORITY_DISK);
2932 	softc->disk->d_open = daopen;
2933 	softc->disk->d_close = daclose;
2934 	softc->disk->d_strategy = dastrategy;
2935 	if (cam_sim_pollable(periph->sim))
2936 		softc->disk->d_dump = dadump;
2937 	softc->disk->d_getattr = dagetattr;
2938 	softc->disk->d_gone = dadiskgonecb;
2939 	softc->disk->d_name = "da";
2940 	softc->disk->d_drv1 = periph;
2941 	if (cpi.maxio == 0)
2942 		softc->maxio = DFLTPHYS;	/* traditional default */
2943 	else if (cpi.maxio > maxphys)
2944 		softc->maxio = maxphys;		/* for safety */
2945 	else
2946 		softc->maxio = cpi.maxio;
2947 	if (softc->quirks & DA_Q_128KB)
2948 		softc->maxio = min(softc->maxio, 128 * 1024);
2949 	softc->disk->d_maxsize = softc->maxio;
2950 	softc->disk->d_unit = periph->unit_number;
2951 	softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION | DISKFLAG_CANZONE;
2952 	if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
2953 		softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
2954 	if ((cpi.hba_misc & PIM_UNMAPPED) != 0) {
2955 		softc->flags |= DA_FLAG_UNMAPPEDIO;
2956 		softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
2957 	}
2958 	cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
2959 	    sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
2960 	strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
2961 	cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
2962 	    cgd->inq_data.product, sizeof(cgd->inq_data.product),
2963 	    sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
2964 	softc->disk->d_hba_vendor = cpi.hba_vendor;
2965 	softc->disk->d_hba_device = cpi.hba_device;
2966 	softc->disk->d_hba_subvendor = cpi.hba_subvendor;
2967 	softc->disk->d_hba_subdevice = cpi.hba_subdevice;
2968 	snprintf(softc->disk->d_attachment, sizeof(softc->disk->d_attachment),
2969 	    "%s%d", cpi.dev_name, cpi.unit_number);
2970 
2971 	/*
2972 	 * Acquire a reference to the periph before we register with GEOM.
2973 	 * We'll release this reference once GEOM calls us back (via
2974 	 * dadiskgonecb()) telling us that our provider has been freed.
2975 	 */
2976 	if (da_periph_acquire(periph, DA_REF_GEOM) != 0) {
2977 		xpt_print(periph->path, "%s: lost periph during "
2978 			  "registration!\n", __func__);
2979 		cam_periph_lock(periph);
2980 		return (CAM_REQ_CMP_ERR);
2981 	}
2982 
2983 	disk_create(softc->disk, DISK_VERSION);
2984 	cam_periph_lock(periph);
2985 
2986 	/*
2987 	 * Add async callbacks for events of interest.
2988 	 * I don't bother checking if this fails as,
2989 	 * in most cases, the system will function just
2990 	 * fine without them and the only alternative
2991 	 * would be to not attach the device on failure.
2992 	 */
2993 	xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
2994 	    AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION |
2995 	    AC_INQ_CHANGED, daasync, periph, periph->path);
2996 
2997 	/*
2998 	 * Emit an attribute changed notification just in case
2999 	 * physical path information arrived before our async
3000 	 * event handler was registered, but after anyone attaching
3001 	 * to our disk device polled it.
3002 	 */
3003 	disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT);
3004 
3005 	/*
3006 	 * Schedule a periodic media polling events.
3007 	 */
3008 	callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0);
3009 	if ((softc->flags & DA_FLAG_PACK_REMOVABLE) &&
3010 	    (cgd->inq_flags & SID_AEN) == 0 &&
3011 	    da_poll_period != 0)
3012 		callout_reset(&softc->mediapoll_c, da_poll_period * hz,
3013 		    damediapoll, periph);
3014 
3015 	xpt_schedule(periph, CAM_PRIORITY_DEV);
3016 
3017 	return(CAM_REQ_CMP);
3018 }
3019 
3020 static int
3021 da_zone_bio_to_scsi(int disk_zone_cmd)
3022 {
3023 	switch (disk_zone_cmd) {
3024 	case DISK_ZONE_OPEN:
3025 		return ZBC_OUT_SA_OPEN;
3026 	case DISK_ZONE_CLOSE:
3027 		return ZBC_OUT_SA_CLOSE;
3028 	case DISK_ZONE_FINISH:
3029 		return ZBC_OUT_SA_FINISH;
3030 	case DISK_ZONE_RWP:
3031 		return ZBC_OUT_SA_RWP;
3032 	}
3033 
3034 	return -1;
3035 }
3036 
3037 static int
3038 da_zone_cmd(struct cam_periph *periph, union ccb *ccb, struct bio *bp,
3039 	    int *queue_ccb)
3040 {
3041 	struct da_softc *softc;
3042 	int error;
3043 
3044 	error = 0;
3045 
3046 	if (bp->bio_cmd != BIO_ZONE) {
3047 		error = EINVAL;
3048 		goto bailout;
3049 	}
3050 
3051 	softc = periph->softc;
3052 
3053 	switch (bp->bio_zone.zone_cmd) {
3054 	case DISK_ZONE_OPEN:
3055 	case DISK_ZONE_CLOSE:
3056 	case DISK_ZONE_FINISH:
3057 	case DISK_ZONE_RWP: {
3058 		int zone_flags;
3059 		int zone_sa;
3060 		uint64_t lba;
3061 
3062 		zone_sa = da_zone_bio_to_scsi(bp->bio_zone.zone_cmd);
3063 		if (zone_sa == -1) {
3064 			xpt_print(periph->path, "Cannot translate zone "
3065 			    "cmd %#x to SCSI\n", bp->bio_zone.zone_cmd);
3066 			error = EINVAL;
3067 			goto bailout;
3068 		}
3069 
3070 		zone_flags = 0;
3071 		lba = bp->bio_zone.zone_params.rwp.id;
3072 
3073 		if (bp->bio_zone.zone_params.rwp.flags &
3074 		    DISK_ZONE_RWP_FLAG_ALL)
3075 			zone_flags |= ZBC_OUT_ALL;
3076 
3077 		if (softc->zone_interface != DA_ZONE_IF_ATA_PASS) {
3078 			scsi_zbc_out(&ccb->csio,
3079 				     /*retries*/ da_retry_count,
3080 				     /*cbfcnp*/ dadone,
3081 				     /*tag_action*/ MSG_SIMPLE_Q_TAG,
3082 				     /*service_action*/ zone_sa,
3083 				     /*zone_id*/ lba,
3084 				     /*zone_flags*/ zone_flags,
3085 				     /*data_ptr*/ NULL,
3086 				     /*dxfer_len*/ 0,
3087 				     /*sense_len*/ SSD_FULL_SIZE,
3088 				     /*timeout*/ da_default_timeout * 1000);
3089 		} else {
3090 			/*
3091 			 * Note that in this case, even though we can
3092 			 * technically use NCQ, we don't bother for several
3093 			 * reasons:
3094 			 * 1. It hasn't been tested on a SAT layer that
3095 			 *    supports it.  This is new as of SAT-4.
3096 			 * 2. Even when there is a SAT layer that supports
3097 			 *    it, that SAT layer will also probably support
3098 			 *    ZBC -> ZAC translation, since they are both
3099 			 *    in the SAT-4 spec.
3100 			 * 3. Translation will likely be preferable to ATA
3101 			 *    passthrough.  LSI / Avago at least single
3102 			 *    steps ATA passthrough commands in the HBA,
3103 			 *    regardless of protocol, so unless that
3104 			 *    changes, there is a performance penalty for
3105 			 *    doing ATA passthrough no matter whether
3106 			 *    you're using NCQ/FPDMA, DMA or PIO.
3107 			 * 4. It requires a 32-byte CDB, which at least at
3108 			 *    this point in CAM requires a CDB pointer, which
3109 			 *    would require us to allocate an additional bit
3110 			 *    of storage separate from the CCB.
3111 			 */
3112 			error = scsi_ata_zac_mgmt_out(&ccb->csio,
3113 			    /*retries*/ da_retry_count,
3114 			    /*cbfcnp*/ dadone,
3115 			    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3116 			    /*use_ncq*/ 0,
3117 			    /*zm_action*/ zone_sa,
3118 			    /*zone_id*/ lba,
3119 			    /*zone_flags*/ zone_flags,
3120 			    /*data_ptr*/ NULL,
3121 			    /*dxfer_len*/ 0,
3122 			    /*cdb_storage*/ NULL,
3123 			    /*cdb_storage_len*/ 0,
3124 			    /*sense_len*/ SSD_FULL_SIZE,
3125 			    /*timeout*/ da_default_timeout * 1000);
3126 			if (error != 0) {
3127 				error = EINVAL;
3128 				xpt_print(periph->path,
3129 				    "scsi_ata_zac_mgmt_out() returned an "
3130 				    "error!");
3131 				goto bailout;
3132 			}
3133 		}
3134 		*queue_ccb = 1;
3135 
3136 		break;
3137 	}
3138 	case DISK_ZONE_REPORT_ZONES: {
3139 		uint8_t *rz_ptr;
3140 		uint32_t num_entries, alloc_size;
3141 		struct disk_zone_report *rep;
3142 
3143 		rep = &bp->bio_zone.zone_params.report;
3144 
3145 		num_entries = rep->entries_allocated;
3146 		if (num_entries == 0) {
3147 			xpt_print(periph->path, "No entries allocated for "
3148 			    "Report Zones request\n");
3149 			error = EINVAL;
3150 			goto bailout;
3151 		}
3152 		alloc_size = sizeof(struct scsi_report_zones_hdr) +
3153 		    (sizeof(struct scsi_report_zones_desc) * num_entries);
3154 		alloc_size = min(alloc_size, softc->disk->d_maxsize);
3155 		rz_ptr = malloc(alloc_size, M_SCSIDA, M_NOWAIT | M_ZERO);
3156 		if (rz_ptr == NULL) {
3157 			xpt_print(periph->path, "Unable to allocate memory "
3158 			   "for Report Zones request\n");
3159 			error = ENOMEM;
3160 			goto bailout;
3161 		}
3162 
3163 		if (softc->zone_interface != DA_ZONE_IF_ATA_PASS) {
3164 			scsi_zbc_in(&ccb->csio,
3165 				    /*retries*/ da_retry_count,
3166 				    /*cbcfnp*/ dadone,
3167 				    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3168 				    /*service_action*/ ZBC_IN_SA_REPORT_ZONES,
3169 				    /*zone_start_lba*/ rep->starting_id,
3170 				    /*zone_options*/ rep->rep_options,
3171 				    /*data_ptr*/ rz_ptr,
3172 				    /*dxfer_len*/ alloc_size,
3173 				    /*sense_len*/ SSD_FULL_SIZE,
3174 				    /*timeout*/ da_default_timeout * 1000);
3175 		} else {
3176 			/*
3177 			 * Note that in this case, even though we can
3178 			 * technically use NCQ, we don't bother for several
3179 			 * reasons:
3180 			 * 1. It hasn't been tested on a SAT layer that
3181 			 *    supports it.  This is new as of SAT-4.
3182 			 * 2. Even when there is a SAT layer that supports
3183 			 *    it, that SAT layer will also probably support
3184 			 *    ZBC -> ZAC translation, since they are both
3185 			 *    in the SAT-4 spec.
3186 			 * 3. Translation will likely be preferable to ATA
3187 			 *    passthrough.  LSI / Avago at least single
3188 			 *    steps ATA passthrough commands in the HBA,
3189 			 *    regardless of protocol, so unless that
3190 			 *    changes, there is a performance penalty for
3191 			 *    doing ATA passthrough no matter whether
3192 			 *    you're using NCQ/FPDMA, DMA or PIO.
3193 			 * 4. It requires a 32-byte CDB, which at least at
3194 			 *    this point in CAM requires a CDB pointer, which
3195 			 *    would require us to allocate an additional bit
3196 			 *    of storage separate from the CCB.
3197 			 */
3198 			error = scsi_ata_zac_mgmt_in(&ccb->csio,
3199 			    /*retries*/ da_retry_count,
3200 			    /*cbcfnp*/ dadone,
3201 			    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3202 			    /*use_ncq*/ 0,
3203 			    /*zm_action*/ ATA_ZM_REPORT_ZONES,
3204 			    /*zone_id*/ rep->starting_id,
3205 			    /*zone_flags*/ rep->rep_options,
3206 			    /*data_ptr*/ rz_ptr,
3207 			    /*dxfer_len*/ alloc_size,
3208 			    /*cdb_storage*/ NULL,
3209 			    /*cdb_storage_len*/ 0,
3210 			    /*sense_len*/ SSD_FULL_SIZE,
3211 			    /*timeout*/ da_default_timeout * 1000);
3212 			if (error != 0) {
3213 				error = EINVAL;
3214 				xpt_print(periph->path,
3215 				    "scsi_ata_zac_mgmt_in() returned an "
3216 				    "error!");
3217 				goto bailout;
3218 			}
3219 		}
3220 
3221 		/*
3222 		 * For BIO_ZONE, this isn't normally needed.  However, it
3223 		 * is used by devstat_end_transaction_bio() to determine
3224 		 * how much data was transferred.
3225 		 */
3226 		/*
3227 		 * XXX KDM we have a problem.  But I'm not sure how to fix
3228 		 * it.  devstat uses bio_bcount - bio_resid to calculate
3229 		 * the amount of data transferred.   The GEOM disk code
3230 		 * uses bio_length - bio_resid to calculate the amount of
3231 		 * data in bio_completed.  We have different structure
3232 		 * sizes above and below the ada(4) driver.  So, if we
3233 		 * use the sizes above, the amount transferred won't be
3234 		 * quite accurate for devstat.  If we use different sizes
3235 		 * for bio_bcount and bio_length (above and below
3236 		 * respectively), then the residual needs to match one or
3237 		 * the other.  Everything is calculated after the bio
3238 		 * leaves the driver, so changing the values around isn't
3239 		 * really an option.  For now, just set the count to the
3240 		 * passed in length.  This means that the calculations
3241 		 * above (e.g. bio_completed) will be correct, but the
3242 		 * amount of data reported to devstat will be slightly
3243 		 * under or overstated.
3244 		 */
3245 		bp->bio_bcount = bp->bio_length;
3246 
3247 		*queue_ccb = 1;
3248 
3249 		break;
3250 	}
3251 	case DISK_ZONE_GET_PARAMS: {
3252 		struct disk_zone_disk_params *params;
3253 
3254 		params = &bp->bio_zone.zone_params.disk_params;
3255 		bzero(params, sizeof(*params));
3256 
3257 		switch (softc->zone_mode) {
3258 		case DA_ZONE_DRIVE_MANAGED:
3259 			params->zone_mode = DISK_ZONE_MODE_DRIVE_MANAGED;
3260 			break;
3261 		case DA_ZONE_HOST_AWARE:
3262 			params->zone_mode = DISK_ZONE_MODE_HOST_AWARE;
3263 			break;
3264 		case DA_ZONE_HOST_MANAGED:
3265 			params->zone_mode = DISK_ZONE_MODE_HOST_MANAGED;
3266 			break;
3267 		default:
3268 		case DA_ZONE_NONE:
3269 			params->zone_mode = DISK_ZONE_MODE_NONE;
3270 			break;
3271 		}
3272 
3273 		if (softc->zone_flags & DA_ZONE_FLAG_URSWRZ)
3274 			params->flags |= DISK_ZONE_DISK_URSWRZ;
3275 
3276 		if (softc->zone_flags & DA_ZONE_FLAG_OPT_SEQ_SET) {
3277 			params->optimal_seq_zones = softc->optimal_seq_zones;
3278 			params->flags |= DISK_ZONE_OPT_SEQ_SET;
3279 		}
3280 
3281 		if (softc->zone_flags & DA_ZONE_FLAG_OPT_NONSEQ_SET) {
3282 			params->optimal_nonseq_zones =
3283 			    softc->optimal_nonseq_zones;
3284 			params->flags |= DISK_ZONE_OPT_NONSEQ_SET;
3285 		}
3286 
3287 		if (softc->zone_flags & DA_ZONE_FLAG_MAX_SEQ_SET) {
3288 			params->max_seq_zones = softc->max_seq_zones;
3289 			params->flags |= DISK_ZONE_MAX_SEQ_SET;
3290 		}
3291 		if (softc->zone_flags & DA_ZONE_FLAG_RZ_SUP)
3292 			params->flags |= DISK_ZONE_RZ_SUP;
3293 
3294 		if (softc->zone_flags & DA_ZONE_FLAG_OPEN_SUP)
3295 			params->flags |= DISK_ZONE_OPEN_SUP;
3296 
3297 		if (softc->zone_flags & DA_ZONE_FLAG_CLOSE_SUP)
3298 			params->flags |= DISK_ZONE_CLOSE_SUP;
3299 
3300 		if (softc->zone_flags & DA_ZONE_FLAG_FINISH_SUP)
3301 			params->flags |= DISK_ZONE_FINISH_SUP;
3302 
3303 		if (softc->zone_flags & DA_ZONE_FLAG_RWP_SUP)
3304 			params->flags |= DISK_ZONE_RWP_SUP;
3305 		break;
3306 	}
3307 	default:
3308 		break;
3309 	}
3310 bailout:
3311 	return (error);
3312 }
3313 
3314 static void
3315 dastart(struct cam_periph *periph, union ccb *start_ccb)
3316 {
3317 	struct da_softc *softc;
3318 
3319 	cam_periph_assert(periph, MA_OWNED);
3320 	softc = (struct da_softc *)periph->softc;
3321 
3322 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n"));
3323 
3324 skipstate:
3325 	switch (softc->state) {
3326 	case DA_STATE_NORMAL:
3327 	{
3328 		struct bio *bp;
3329 		uint8_t tag_code;
3330 
3331 more:
3332 		bp = cam_iosched_next_bio(softc->cam_iosched);
3333 		if (bp == NULL) {
3334 			if (cam_iosched_has_work_flags(softc->cam_iosched,
3335 			    DA_WORK_TUR)) {
3336 				softc->flags |= DA_FLAG_TUR_PENDING;
3337 				cam_iosched_clr_work_flags(softc->cam_iosched,
3338 				    DA_WORK_TUR);
3339 				scsi_test_unit_ready(&start_ccb->csio,
3340 				     /*retries*/ da_retry_count,
3341 				     dadone_tur,
3342 				     MSG_SIMPLE_Q_TAG,
3343 				     SSD_FULL_SIZE,
3344 				     da_default_timeout * 1000);
3345 				start_ccb->ccb_h.ccb_bp = NULL;
3346 				start_ccb->ccb_h.ccb_state = DA_CCB_TUR;
3347 				xpt_action(start_ccb);
3348 			} else
3349 				xpt_release_ccb(start_ccb);
3350 			break;
3351 		}
3352 
3353 		if (bp->bio_cmd == BIO_DELETE) {
3354 			if (softc->delete_func != NULL) {
3355 				softc->delete_func(periph, start_ccb, bp);
3356 				goto out;
3357 			} else {
3358 				/*
3359 				 * Not sure this is possible, but failsafe by
3360 				 * lying and saying "sure, done."
3361 				 */
3362 				biofinish(bp, NULL, 0);
3363 				goto more;
3364 			}
3365 		}
3366 
3367 		if (cam_iosched_has_work_flags(softc->cam_iosched,
3368 		    DA_WORK_TUR)) {
3369 			cam_iosched_clr_work_flags(softc->cam_iosched,
3370 			    DA_WORK_TUR);
3371 			da_periph_release_locked(periph, DA_REF_TUR);
3372 		}
3373 
3374 		if ((bp->bio_flags & BIO_ORDERED) != 0 ||
3375 		    (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
3376 			softc->flags &= ~DA_FLAG_NEED_OTAG;
3377 			softc->flags |= DA_FLAG_WAS_OTAG;
3378 			tag_code = MSG_ORDERED_Q_TAG;
3379 		} else {
3380 			tag_code = MSG_SIMPLE_Q_TAG;
3381 		}
3382 
3383 		switch (bp->bio_cmd) {
3384 		case BIO_WRITE:
3385 		case BIO_READ:
3386 		{
3387 			void *data_ptr;
3388 			int rw_op;
3389 
3390 			biotrack(bp, __func__);
3391 
3392 			if (bp->bio_cmd == BIO_WRITE) {
3393 				softc->flags |= DA_FLAG_DIRTY;
3394 				rw_op = SCSI_RW_WRITE;
3395 			} else {
3396 				rw_op = SCSI_RW_READ;
3397 			}
3398 
3399 			data_ptr = bp->bio_data;
3400 			if ((bp->bio_flags & (BIO_UNMAPPED|BIO_VLIST)) != 0) {
3401 				rw_op |= SCSI_RW_BIO;
3402 				data_ptr = bp;
3403 			}
3404 
3405 			scsi_read_write(&start_ccb->csio,
3406 					/*retries*/da_retry_count,
3407 					/*cbfcnp*/dadone,
3408 					/*tag_action*/tag_code,
3409 					rw_op,
3410 					/*byte2*/0,
3411 					softc->minimum_cmd_size,
3412 					/*lba*/bp->bio_pblkno,
3413 					/*block_count*/bp->bio_bcount /
3414 					softc->params.secsize,
3415 					data_ptr,
3416 					/*dxfer_len*/ bp->bio_bcount,
3417 					/*sense_len*/SSD_FULL_SIZE,
3418 					da_default_timeout * 1000);
3419 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
3420 			start_ccb->csio.bio = bp;
3421 #endif
3422 			break;
3423 		}
3424 		case BIO_FLUSH:
3425 			/*
3426 			 * If we don't support sync cache, or the disk
3427 			 * isn't dirty, FLUSH is a no-op.  Use the
3428 			 * allocated CCB for the next bio if one is
3429 			 * available.
3430 			 */
3431 			if ((softc->quirks & DA_Q_NO_SYNC_CACHE) != 0 ||
3432 			    (softc->flags & DA_FLAG_DIRTY) == 0) {
3433 				biodone(bp);
3434 				goto skipstate;
3435 			}
3436 
3437 			/*
3438 			 * BIO_FLUSH doesn't currently communicate
3439 			 * range data, so we synchronize the cache
3440 			 * over the whole disk.
3441 			 */
3442 			scsi_synchronize_cache(&start_ccb->csio,
3443 					       /*retries*/1,
3444 					       /*cbfcnp*/dadone,
3445 					       /*tag_action*/tag_code,
3446 					       /*begin_lba*/0,
3447 					       /*lb_count*/0,
3448 					       SSD_FULL_SIZE,
3449 					       da_default_timeout*1000);
3450 			/*
3451 			 * Clear the dirty flag before sending the command.
3452 			 * Either this sync cache will be successful, or it
3453 			 * will fail after a retry.  If it fails, it is
3454 			 * unlikely to be successful if retried later, so
3455 			 * we'll save ourselves time by just marking the
3456 			 * device clean.
3457 			 */
3458 			softc->flags &= ~DA_FLAG_DIRTY;
3459 			break;
3460 		case BIO_ZONE: {
3461 			int error, queue_ccb;
3462 
3463 			queue_ccb = 0;
3464 
3465 			error = da_zone_cmd(periph, start_ccb, bp,&queue_ccb);
3466 			if ((error != 0)
3467 			 || (queue_ccb == 0)) {
3468 				biofinish(bp, NULL, error);
3469 				xpt_release_ccb(start_ccb);
3470 				return;
3471 			}
3472 			break;
3473 		}
3474 		default:
3475 			biofinish(bp, NULL, EOPNOTSUPP);
3476 			xpt_release_ccb(start_ccb);
3477 			return;
3478 		}
3479 		start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
3480 		start_ccb->ccb_h.flags |= CAM_UNLOCKED;
3481 		start_ccb->ccb_h.softtimeout = sbttotv(da_default_softtimeout);
3482 
3483 out:
3484 		LIST_INSERT_HEAD(&softc->pending_ccbs,
3485 				 &start_ccb->ccb_h, periph_links.le);
3486 
3487 		/* We expect a unit attention from this device */
3488 		if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
3489 			start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
3490 			softc->flags &= ~DA_FLAG_RETRY_UA;
3491 		}
3492 
3493 		start_ccb->ccb_h.ccb_bp = bp;
3494 		softc->refcount++;
3495 		cam_periph_unlock(periph);
3496 		xpt_action(start_ccb);
3497 		cam_periph_lock(periph);
3498 
3499 		/* May have more work to do, so ensure we stay scheduled */
3500 		daschedule(periph);
3501 		break;
3502 	}
3503 	case DA_STATE_PROBE_WP:
3504 	{
3505 		void  *mode_buf;
3506 		int    mode_buf_len;
3507 
3508 		if (da_disable_wp_detection) {
3509 			if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
3510 				softc->state = DA_STATE_PROBE_RC16;
3511 			else
3512 				softc->state = DA_STATE_PROBE_RC;
3513 			goto skipstate;
3514 		}
3515 		mode_buf_len = 192;
3516 		mode_buf = malloc(mode_buf_len, M_SCSIDA, M_NOWAIT);
3517 		if (mode_buf == NULL) {
3518 			xpt_print(periph->path, "Unable to send mode sense - "
3519 			    "malloc failure\n");
3520 			if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
3521 				softc->state = DA_STATE_PROBE_RC16;
3522 			else
3523 				softc->state = DA_STATE_PROBE_RC;
3524 			goto skipstate;
3525 		}
3526 		scsi_mode_sense_len(&start_ccb->csio,
3527 				    /*retries*/ da_retry_count,
3528 				    /*cbfcnp*/ dadone_probewp,
3529 				    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3530 				    /*dbd*/ FALSE,
3531 				    /*pc*/ SMS_PAGE_CTRL_CURRENT,
3532 				    /*page*/ SMS_ALL_PAGES_PAGE,
3533 				    /*param_buf*/ mode_buf,
3534 				    /*param_len*/ mode_buf_len,
3535 				    /*minimum_cmd_size*/ softc->minimum_cmd_size,
3536 				    /*sense_len*/ SSD_FULL_SIZE,
3537 				    /*timeout*/ da_default_timeout * 1000);
3538 		start_ccb->ccb_h.ccb_bp = NULL;
3539 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_WP;
3540 		xpt_action(start_ccb);
3541 		break;
3542 	}
3543 	case DA_STATE_PROBE_RC:
3544 	{
3545 		struct scsi_read_capacity_data *rcap;
3546 
3547 		rcap = (struct scsi_read_capacity_data *)
3548 		    malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO);
3549 		if (rcap == NULL) {
3550 			printf("dastart: Couldn't malloc read_capacity data\n");
3551 			/* da_free_periph??? */
3552 			break;
3553 		}
3554 		scsi_read_capacity(&start_ccb->csio,
3555 				   /*retries*/da_retry_count,
3556 				   dadone_proberc,
3557 				   MSG_SIMPLE_Q_TAG,
3558 				   rcap,
3559 				   SSD_FULL_SIZE,
3560 				   /*timeout*/5000);
3561 		start_ccb->ccb_h.ccb_bp = NULL;
3562 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC;
3563 		xpt_action(start_ccb);
3564 		break;
3565 	}
3566 	case DA_STATE_PROBE_RC16:
3567 	{
3568 		struct scsi_read_capacity_data_long *rcaplong;
3569 
3570 		rcaplong = (struct scsi_read_capacity_data_long *)
3571 			malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO);
3572 		if (rcaplong == NULL) {
3573 			printf("dastart: Couldn't malloc read_capacity data\n");
3574 			/* da_free_periph??? */
3575 			break;
3576 		}
3577 		scsi_read_capacity_16(&start_ccb->csio,
3578 				      /*retries*/ da_retry_count,
3579 				      /*cbfcnp*/ dadone_proberc,
3580 				      /*tag_action*/ MSG_SIMPLE_Q_TAG,
3581 				      /*lba*/ 0,
3582 				      /*reladr*/ 0,
3583 				      /*pmi*/ 0,
3584 				      /*rcap_buf*/ (uint8_t *)rcaplong,
3585 				      /*rcap_buf_len*/ sizeof(*rcaplong),
3586 				      /*sense_len*/ SSD_FULL_SIZE,
3587 				      /*timeout*/ da_default_timeout * 1000);
3588 		start_ccb->ccb_h.ccb_bp = NULL;
3589 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16;
3590 		xpt_action(start_ccb);
3591 		break;
3592 	}
3593 	case DA_STATE_PROBE_LBP:
3594 	{
3595 		struct scsi_vpd_logical_block_prov *lbp;
3596 
3597 		if (!scsi_vpd_supported_page(periph, SVPD_LBP)) {
3598 			/*
3599 			 * If we get here we don't support any SBC-3 delete
3600 			 * methods with UNMAP as the Logical Block Provisioning
3601 			 * VPD page support is required for devices which
3602 			 * support it according to T10/1799-D Revision 31
3603 			 * however older revisions of the spec don't mandate
3604 			 * this so we currently don't remove these methods
3605 			 * from the available set.
3606 			 */
3607 			softc->state = DA_STATE_PROBE_BLK_LIMITS;
3608 			goto skipstate;
3609 		}
3610 
3611 		lbp = (struct scsi_vpd_logical_block_prov *)
3612 			malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO);
3613 
3614 		if (lbp == NULL) {
3615 			printf("dastart: Couldn't malloc lbp data\n");
3616 			/* da_free_periph??? */
3617 			break;
3618 		}
3619 
3620 		scsi_inquiry(&start_ccb->csio,
3621 			     /*retries*/da_retry_count,
3622 			     /*cbfcnp*/dadone_probelbp,
3623 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3624 			     /*inq_buf*/(u_int8_t *)lbp,
3625 			     /*inq_len*/sizeof(*lbp),
3626 			     /*evpd*/TRUE,
3627 			     /*page_code*/SVPD_LBP,
3628 			     /*sense_len*/SSD_MIN_SIZE,
3629 			     /*timeout*/da_default_timeout * 1000);
3630 		start_ccb->ccb_h.ccb_bp = NULL;
3631 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP;
3632 		xpt_action(start_ccb);
3633 		break;
3634 	}
3635 	case DA_STATE_PROBE_BLK_LIMITS:
3636 	{
3637 		struct scsi_vpd_block_limits *block_limits;
3638 
3639 		if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) {
3640 			/* Not supported skip to next probe */
3641 			softc->state = DA_STATE_PROBE_BDC;
3642 			goto skipstate;
3643 		}
3644 
3645 		block_limits = (struct scsi_vpd_block_limits *)
3646 			malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO);
3647 
3648 		if (block_limits == NULL) {
3649 			printf("dastart: Couldn't malloc block_limits data\n");
3650 			/* da_free_periph??? */
3651 			break;
3652 		}
3653 
3654 		scsi_inquiry(&start_ccb->csio,
3655 			     /*retries*/da_retry_count,
3656 			     /*cbfcnp*/dadone_probeblklimits,
3657 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3658 			     /*inq_buf*/(u_int8_t *)block_limits,
3659 			     /*inq_len*/sizeof(*block_limits),
3660 			     /*evpd*/TRUE,
3661 			     /*page_code*/SVPD_BLOCK_LIMITS,
3662 			     /*sense_len*/SSD_MIN_SIZE,
3663 			     /*timeout*/da_default_timeout * 1000);
3664 		start_ccb->ccb_h.ccb_bp = NULL;
3665 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS;
3666 		xpt_action(start_ccb);
3667 		break;
3668 	}
3669 	case DA_STATE_PROBE_BDC:
3670 	{
3671 		struct scsi_vpd_block_device_characteristics *bdc;
3672 
3673 		if (!scsi_vpd_supported_page(periph, SVPD_BDC)) {
3674 			softc->state = DA_STATE_PROBE_ATA;
3675 			goto skipstate;
3676 		}
3677 
3678 		bdc = (struct scsi_vpd_block_device_characteristics *)
3679 			malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
3680 
3681 		if (bdc == NULL) {
3682 			printf("dastart: Couldn't malloc bdc data\n");
3683 			/* da_free_periph??? */
3684 			break;
3685 		}
3686 
3687 		scsi_inquiry(&start_ccb->csio,
3688 			     /*retries*/da_retry_count,
3689 			     /*cbfcnp*/dadone_probebdc,
3690 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3691 			     /*inq_buf*/(u_int8_t *)bdc,
3692 			     /*inq_len*/sizeof(*bdc),
3693 			     /*evpd*/TRUE,
3694 			     /*page_code*/SVPD_BDC,
3695 			     /*sense_len*/SSD_MIN_SIZE,
3696 			     /*timeout*/da_default_timeout * 1000);
3697 		start_ccb->ccb_h.ccb_bp = NULL;
3698 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC;
3699 		xpt_action(start_ccb);
3700 		break;
3701 	}
3702 	case DA_STATE_PROBE_ATA:
3703 	{
3704 		struct ata_params *ata_params;
3705 
3706 		if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
3707 			if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
3708 			 || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
3709 				/*
3710 				 * Note that if the ATA VPD page isn't
3711 				 * supported, we aren't talking to an ATA
3712 				 * device anyway.  Support for that VPD
3713 				 * page is mandatory for SCSI to ATA (SAT)
3714 				 * translation layers.
3715 				 */
3716 				softc->state = DA_STATE_PROBE_ZONE;
3717 				goto skipstate;
3718 			}
3719 			daprobedone(periph, start_ccb);
3720 			break;
3721 		}
3722 
3723 		ata_params = &periph->path->device->ident_data;
3724 
3725 		scsi_ata_identify(&start_ccb->csio,
3726 				  /*retries*/da_retry_count,
3727 				  /*cbfcnp*/dadone_probeata,
3728                                   /*tag_action*/MSG_SIMPLE_Q_TAG,
3729 				  /*data_ptr*/(u_int8_t *)ata_params,
3730 				  /*dxfer_len*/sizeof(*ata_params),
3731 				  /*sense_len*/SSD_FULL_SIZE,
3732 				  /*timeout*/da_default_timeout * 1000);
3733 		start_ccb->ccb_h.ccb_bp = NULL;
3734 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA;
3735 		xpt_action(start_ccb);
3736 		break;
3737 	}
3738 	case DA_STATE_PROBE_ATA_LOGDIR:
3739 	{
3740 		struct ata_gp_log_dir *log_dir;
3741 		int retval;
3742 
3743 		retval = 0;
3744 
3745 		if ((softc->flags & DA_FLAG_CAN_ATA_LOG) == 0) {
3746 			/*
3747 			 * If we don't have log support, not much point in
3748 			 * trying to probe zone support.
3749 			 */
3750 			daprobedone(periph, start_ccb);
3751 			break;
3752 		}
3753 
3754 		/*
3755 		 * If we have an ATA device (the SCSI ATA Information VPD
3756 		 * page should be present and the ATA identify should have
3757 		 * succeeded) and it supports logs, ask for the log directory.
3758 		 */
3759 
3760 		log_dir = malloc(sizeof(*log_dir), M_SCSIDA, M_NOWAIT|M_ZERO);
3761 		if (log_dir == NULL) {
3762 			xpt_print(periph->path, "Couldn't malloc log_dir "
3763 			    "data\n");
3764 			daprobedone(periph, start_ccb);
3765 			break;
3766 		}
3767 
3768 		retval = scsi_ata_read_log(&start_ccb->csio,
3769 		    /*retries*/ da_retry_count,
3770 		    /*cbfcnp*/ dadone_probeatalogdir,
3771 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3772 		    /*log_address*/ ATA_LOG_DIRECTORY,
3773 		    /*page_number*/ 0,
3774 		    /*block_count*/ 1,
3775 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3776 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3777 		    /*data_ptr*/ (uint8_t *)log_dir,
3778 		    /*dxfer_len*/ sizeof(*log_dir),
3779 		    /*sense_len*/ SSD_FULL_SIZE,
3780 		    /*timeout*/ da_default_timeout * 1000);
3781 
3782 		if (retval != 0) {
3783 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3784 			free(log_dir, M_SCSIDA);
3785 			daprobedone(periph, start_ccb);
3786 			break;
3787 		}
3788 		start_ccb->ccb_h.ccb_bp = NULL;
3789 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_LOGDIR;
3790 		xpt_action(start_ccb);
3791 		break;
3792 	}
3793 	case DA_STATE_PROBE_ATA_IDDIR:
3794 	{
3795 		struct ata_identify_log_pages *id_dir;
3796 		int retval;
3797 
3798 		retval = 0;
3799 
3800 		/*
3801 		 * Check here to see whether the Identify Device log is
3802 		 * supported in the directory of logs.  If so, continue
3803 		 * with requesting the log of identify device pages.
3804 		 */
3805 		if ((softc->flags & DA_FLAG_CAN_ATA_IDLOG) == 0) {
3806 			daprobedone(periph, start_ccb);
3807 			break;
3808 		}
3809 
3810 		id_dir = malloc(sizeof(*id_dir), M_SCSIDA, M_NOWAIT | M_ZERO);
3811 		if (id_dir == NULL) {
3812 			xpt_print(periph->path, "Couldn't malloc id_dir "
3813 			    "data\n");
3814 			daprobedone(periph, start_ccb);
3815 			break;
3816 		}
3817 
3818 		retval = scsi_ata_read_log(&start_ccb->csio,
3819 		    /*retries*/ da_retry_count,
3820 		    /*cbfcnp*/ dadone_probeataiddir,
3821 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3822 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3823 		    /*page_number*/ ATA_IDL_PAGE_LIST,
3824 		    /*block_count*/ 1,
3825 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3826 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3827 		    /*data_ptr*/ (uint8_t *)id_dir,
3828 		    /*dxfer_len*/ sizeof(*id_dir),
3829 		    /*sense_len*/ SSD_FULL_SIZE,
3830 		    /*timeout*/ da_default_timeout * 1000);
3831 
3832 		if (retval != 0) {
3833 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3834 			free(id_dir, M_SCSIDA);
3835 			daprobedone(periph, start_ccb);
3836 			break;
3837 		}
3838 		start_ccb->ccb_h.ccb_bp = NULL;
3839 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_IDDIR;
3840 		xpt_action(start_ccb);
3841 		break;
3842 	}
3843 	case DA_STATE_PROBE_ATA_SUP:
3844 	{
3845 		struct ata_identify_log_sup_cap *sup_cap;
3846 		int retval;
3847 
3848 		retval = 0;
3849 
3850 		/*
3851 		 * Check here to see whether the Supported Capabilities log
3852 		 * is in the list of Identify Device logs.
3853 		 */
3854 		if ((softc->flags & DA_FLAG_CAN_ATA_SUPCAP) == 0) {
3855 			daprobedone(periph, start_ccb);
3856 			break;
3857 		}
3858 
3859 		sup_cap = malloc(sizeof(*sup_cap), M_SCSIDA, M_NOWAIT|M_ZERO);
3860 		if (sup_cap == NULL) {
3861 			xpt_print(periph->path, "Couldn't malloc sup_cap "
3862 			    "data\n");
3863 			daprobedone(periph, start_ccb);
3864 			break;
3865 		}
3866 
3867 		retval = scsi_ata_read_log(&start_ccb->csio,
3868 		    /*retries*/ da_retry_count,
3869 		    /*cbfcnp*/ dadone_probeatasup,
3870 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3871 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3872 		    /*page_number*/ ATA_IDL_SUP_CAP,
3873 		    /*block_count*/ 1,
3874 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3875 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3876 		    /*data_ptr*/ (uint8_t *)sup_cap,
3877 		    /*dxfer_len*/ sizeof(*sup_cap),
3878 		    /*sense_len*/ SSD_FULL_SIZE,
3879 		    /*timeout*/ da_default_timeout * 1000);
3880 
3881 		if (retval != 0) {
3882 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3883 			free(sup_cap, M_SCSIDA);
3884 			daprobedone(periph, start_ccb);
3885 			break;
3886 		}
3887 
3888 		start_ccb->ccb_h.ccb_bp = NULL;
3889 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_SUP;
3890 		xpt_action(start_ccb);
3891 		break;
3892 	}
3893 	case DA_STATE_PROBE_ATA_ZONE:
3894 	{
3895 		struct ata_zoned_info_log *ata_zone;
3896 		int retval;
3897 
3898 		retval = 0;
3899 
3900 		/*
3901 		 * Check here to see whether the zoned device information
3902 		 * page is supported.  If so, continue on to request it.
3903 		 * If not, skip to DA_STATE_PROBE_LOG or done.
3904 		 */
3905 		if ((softc->flags & DA_FLAG_CAN_ATA_ZONE) == 0) {
3906 			daprobedone(periph, start_ccb);
3907 			break;
3908 		}
3909 		ata_zone = malloc(sizeof(*ata_zone), M_SCSIDA,
3910 				  M_NOWAIT|M_ZERO);
3911 		if (ata_zone == NULL) {
3912 			xpt_print(periph->path, "Couldn't malloc ata_zone "
3913 			    "data\n");
3914 			daprobedone(periph, start_ccb);
3915 			break;
3916 		}
3917 
3918 		retval = scsi_ata_read_log(&start_ccb->csio,
3919 		    /*retries*/ da_retry_count,
3920 		    /*cbfcnp*/ dadone_probeatazone,
3921 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3922 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3923 		    /*page_number*/ ATA_IDL_ZDI,
3924 		    /*block_count*/ 1,
3925 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3926 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3927 		    /*data_ptr*/ (uint8_t *)ata_zone,
3928 		    /*dxfer_len*/ sizeof(*ata_zone),
3929 		    /*sense_len*/ SSD_FULL_SIZE,
3930 		    /*timeout*/ da_default_timeout * 1000);
3931 
3932 		if (retval != 0) {
3933 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3934 			free(ata_zone, M_SCSIDA);
3935 			daprobedone(periph, start_ccb);
3936 			break;
3937 		}
3938 		start_ccb->ccb_h.ccb_bp = NULL;
3939 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_ZONE;
3940 		xpt_action(start_ccb);
3941 
3942 		break;
3943 	}
3944 	case DA_STATE_PROBE_ZONE:
3945 	{
3946 		struct scsi_vpd_zoned_bdc *bdc;
3947 
3948 		/*
3949 		 * Note that this page will be supported for SCSI protocol
3950 		 * devices that support ZBC (SMR devices), as well as ATA
3951 		 * protocol devices that are behind a SAT (SCSI to ATA
3952 		 * Translation) layer that supports converting ZBC commands
3953 		 * to their ZAC equivalents.
3954 		 */
3955 		if (!scsi_vpd_supported_page(periph, SVPD_ZONED_BDC)) {
3956 			daprobedone(periph, start_ccb);
3957 			break;
3958 		}
3959 		bdc = (struct scsi_vpd_zoned_bdc *)
3960 			malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
3961 
3962 		if (bdc == NULL) {
3963 			xpt_release_ccb(start_ccb);
3964 			xpt_print(periph->path, "Couldn't malloc zone VPD "
3965 			    "data\n");
3966 			break;
3967 		}
3968 		scsi_inquiry(&start_ccb->csio,
3969 			     /*retries*/da_retry_count,
3970 			     /*cbfcnp*/dadone_probezone,
3971 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3972 			     /*inq_buf*/(u_int8_t *)bdc,
3973 			     /*inq_len*/sizeof(*bdc),
3974 			     /*evpd*/TRUE,
3975 			     /*page_code*/SVPD_ZONED_BDC,
3976 			     /*sense_len*/SSD_FULL_SIZE,
3977 			     /*timeout*/da_default_timeout * 1000);
3978 		start_ccb->ccb_h.ccb_bp = NULL;
3979 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ZONE;
3980 		xpt_action(start_ccb);
3981 		break;
3982 	}
3983 	}
3984 }
3985 
3986 /*
3987  * In each of the methods below, while its the caller's
3988  * responsibility to ensure the request will fit into a
3989  * single device request, we might have changed the delete
3990  * method due to the device incorrectly advertising either
3991  * its supported methods or limits.
3992  *
3993  * To prevent this causing further issues we validate the
3994  * against the methods limits, and warn which would
3995  * otherwise be unnecessary.
3996  */
3997 static void
3998 da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
3999 {
4000 	struct da_softc *softc = (struct da_softc *)periph->softc;
4001 	struct bio *bp1;
4002 	uint8_t *buf = softc->unmap_buf;
4003 	struct scsi_unmap_desc *d = (void *)&buf[UNMAP_HEAD_SIZE];
4004 	uint64_t lba, lastlba = (uint64_t)-1;
4005 	uint64_t totalcount = 0;
4006 	uint64_t count;
4007 	uint32_t c, lastcount = 0, ranges = 0;
4008 
4009 	/*
4010 	 * Currently this doesn't take the UNMAP
4011 	 * Granularity and Granularity Alignment
4012 	 * fields into account.
4013 	 *
4014 	 * This could result in both unoptimal unmap
4015 	 * requests as as well as UNMAP calls unmapping
4016 	 * fewer LBA's than requested.
4017 	 */
4018 
4019 	bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
4020 	bp1 = bp;
4021 	do {
4022 		/*
4023 		 * Note: ada and da are different in how they store the
4024 		 * pending bp's in a trim. ada stores all of them in the
4025 		 * trim_req.bps. da stores all but the first one in the
4026 		 * delete_run_queue. ada then completes all the bps in
4027 		 * its adadone() loop. da completes all the bps in the
4028 		 * delete_run_queue in dadone, and relies on the biodone
4029 		 * after to complete. This should be reconciled since there's
4030 		 * no real reason to do it differently. XXX
4031 		 */
4032 		if (bp1 != bp)
4033 			bioq_insert_tail(&softc->delete_run_queue, bp1);
4034 		lba = bp1->bio_pblkno;
4035 		count = bp1->bio_bcount / softc->params.secsize;
4036 
4037 		/* Try to extend the previous range. */
4038 		if (lba == lastlba) {
4039 			c = omin(count, UNMAP_RANGE_MAX - lastcount);
4040 			lastlba += c;
4041 			lastcount += c;
4042 			scsi_ulto4b(lastcount, d[ranges - 1].length);
4043 			count -= c;
4044 			lba += c;
4045 			totalcount += c;
4046 		} else if ((softc->quirks & DA_Q_STRICT_UNMAP) &&
4047 		    softc->unmap_gran != 0) {
4048 			/* Align length of the previous range. */
4049 			if ((c = lastcount % softc->unmap_gran) != 0) {
4050 				if (lastcount <= c) {
4051 					totalcount -= lastcount;
4052 					lastlba = (uint64_t)-1;
4053 					lastcount = 0;
4054 					ranges--;
4055 				} else {
4056 					totalcount -= c;
4057 					lastlba -= c;
4058 					lastcount -= c;
4059 					scsi_ulto4b(lastcount,
4060 					    d[ranges - 1].length);
4061 				}
4062 			}
4063 			/* Align beginning of the new range. */
4064 			c = (lba - softc->unmap_gran_align) % softc->unmap_gran;
4065 			if (c != 0) {
4066 				c = softc->unmap_gran - c;
4067 				if (count <= c) {
4068 					count = 0;
4069 				} else {
4070 					lba += c;
4071 					count -= c;
4072 				}
4073 			}
4074 		}
4075 
4076 		while (count > 0) {
4077 			c = omin(count, UNMAP_RANGE_MAX);
4078 			if (totalcount + c > softc->unmap_max_lba ||
4079 			    ranges >= softc->unmap_max_ranges) {
4080 				xpt_print(periph->path,
4081 				    "%s issuing short delete %ld > %ld"
4082 				    "|| %d >= %d",
4083 				    da_delete_method_desc[softc->delete_method],
4084 				    totalcount + c, softc->unmap_max_lba,
4085 				    ranges, softc->unmap_max_ranges);
4086 				break;
4087 			}
4088 			scsi_u64to8b(lba, d[ranges].lba);
4089 			scsi_ulto4b(c, d[ranges].length);
4090 			lba += c;
4091 			totalcount += c;
4092 			ranges++;
4093 			count -= c;
4094 			lastlba = lba;
4095 			lastcount = c;
4096 		}
4097 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
4098 		if (bp1 == NULL)
4099 			break;
4100 		if (ranges >= softc->unmap_max_ranges ||
4101 		    totalcount + bp1->bio_bcount /
4102 		    softc->params.secsize > softc->unmap_max_lba) {
4103 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
4104 			break;
4105 		}
4106 	} while (1);
4107 
4108 	/* Align length of the last range. */
4109 	if ((softc->quirks & DA_Q_STRICT_UNMAP) && softc->unmap_gran != 0 &&
4110 	    (c = lastcount % softc->unmap_gran) != 0) {
4111 		if (lastcount <= c)
4112 			ranges--;
4113 		else
4114 			scsi_ulto4b(lastcount - c, d[ranges - 1].length);
4115 	}
4116 
4117 	scsi_ulto2b(ranges * 16 + 6, &buf[0]);
4118 	scsi_ulto2b(ranges * 16, &buf[2]);
4119 
4120 	scsi_unmap(&ccb->csio,
4121 		   /*retries*/da_retry_count,
4122 		   /*cbfcnp*/dadone,
4123 		   /*tag_action*/MSG_SIMPLE_Q_TAG,
4124 		   /*byte2*/0,
4125 		   /*data_ptr*/ buf,
4126 		   /*dxfer_len*/ ranges * 16 + 8,
4127 		   /*sense_len*/SSD_FULL_SIZE,
4128 		   da_default_timeout * 1000);
4129 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4130 	ccb->ccb_h.flags |= CAM_UNLOCKED;
4131 	softc->trim_count++;
4132 	softc->trim_ranges += ranges;
4133 	softc->trim_lbas += totalcount;
4134 	cam_iosched_submit_trim(softc->cam_iosched);
4135 }
4136 
4137 static void
4138 da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
4139 {
4140 	struct da_softc *softc = (struct da_softc *)periph->softc;
4141 	struct bio *bp1;
4142 	uint8_t *buf = softc->unmap_buf;
4143 	uint64_t lastlba = (uint64_t)-1;
4144 	uint64_t count;
4145 	uint64_t lba;
4146 	uint32_t lastcount = 0, c, requestcount;
4147 	int ranges = 0, off, block_count;
4148 
4149 	bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
4150 	bp1 = bp;
4151 	do {
4152 		if (bp1 != bp)//XXX imp XXX
4153 			bioq_insert_tail(&softc->delete_run_queue, bp1);
4154 		lba = bp1->bio_pblkno;
4155 		count = bp1->bio_bcount / softc->params.secsize;
4156 		requestcount = count;
4157 
4158 		/* Try to extend the previous range. */
4159 		if (lba == lastlba) {
4160 			c = omin(count, ATA_DSM_RANGE_MAX - lastcount);
4161 			lastcount += c;
4162 			off = (ranges - 1) * 8;
4163 			buf[off + 6] = lastcount & 0xff;
4164 			buf[off + 7] = (lastcount >> 8) & 0xff;
4165 			count -= c;
4166 			lba += c;
4167 		}
4168 
4169 		while (count > 0) {
4170 			c = omin(count, ATA_DSM_RANGE_MAX);
4171 			off = ranges * 8;
4172 
4173 			buf[off + 0] = lba & 0xff;
4174 			buf[off + 1] = (lba >> 8) & 0xff;
4175 			buf[off + 2] = (lba >> 16) & 0xff;
4176 			buf[off + 3] = (lba >> 24) & 0xff;
4177 			buf[off + 4] = (lba >> 32) & 0xff;
4178 			buf[off + 5] = (lba >> 40) & 0xff;
4179 			buf[off + 6] = c & 0xff;
4180 			buf[off + 7] = (c >> 8) & 0xff;
4181 			lba += c;
4182 			ranges++;
4183 			count -= c;
4184 			lastcount = c;
4185 			if (count != 0 && ranges == softc->trim_max_ranges) {
4186 				xpt_print(periph->path,
4187 				    "%s issuing short delete %ld > %ld\n",
4188 				    da_delete_method_desc[softc->delete_method],
4189 				    requestcount,
4190 				    (softc->trim_max_ranges - ranges) *
4191 				    ATA_DSM_RANGE_MAX);
4192 				break;
4193 			}
4194 		}
4195 		lastlba = lba;
4196 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
4197 		if (bp1 == NULL)
4198 			break;
4199 		if (bp1->bio_bcount / softc->params.secsize >
4200 		    (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) {
4201 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
4202 			break;
4203 		}
4204 	} while (1);
4205 
4206 	block_count = howmany(ranges, ATA_DSM_BLK_RANGES);
4207 	scsi_ata_trim(&ccb->csio,
4208 		      /*retries*/da_retry_count,
4209 		      /*cbfcnp*/dadone,
4210 		      /*tag_action*/MSG_SIMPLE_Q_TAG,
4211 		      block_count,
4212 		      /*data_ptr*/buf,
4213 		      /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE,
4214 		      /*sense_len*/SSD_FULL_SIZE,
4215 		      da_default_timeout * 1000);
4216 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4217 	ccb->ccb_h.flags |= CAM_UNLOCKED;
4218 	cam_iosched_submit_trim(softc->cam_iosched);
4219 }
4220 
4221 /*
4222  * We calculate ws_max_blks here based off d_delmaxsize instead
4223  * of using softc->ws_max_blks as it is absolute max for the
4224  * device not the protocol max which may well be lower.
4225  */
4226 static void
4227 da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
4228 {
4229 	struct da_softc *softc;
4230 	struct bio *bp1;
4231 	uint64_t ws_max_blks;
4232 	uint64_t lba;
4233 	uint64_t count; /* forward compat with WS32 */
4234 
4235 	softc = (struct da_softc *)periph->softc;
4236 	ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize;
4237 	lba = bp->bio_pblkno;
4238 	count = 0;
4239 	bp1 = bp;
4240 	do {
4241 		if (bp1 != bp)//XXX imp XXX
4242 			bioq_insert_tail(&softc->delete_run_queue, bp1);
4243 		count += bp1->bio_bcount / softc->params.secsize;
4244 		if (count > ws_max_blks) {
4245 			xpt_print(periph->path,
4246 			    "%s issuing short delete %ld > %ld\n",
4247 			    da_delete_method_desc[softc->delete_method],
4248 			    count, ws_max_blks);
4249 			count = omin(count, ws_max_blks);
4250 			break;
4251 		}
4252 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
4253 		if (bp1 == NULL)
4254 			break;
4255 		if (lba + count != bp1->bio_pblkno ||
4256 		    count + bp1->bio_bcount /
4257 		    softc->params.secsize > ws_max_blks) {
4258 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
4259 			break;
4260 		}
4261 	} while (1);
4262 
4263 	scsi_write_same(&ccb->csio,
4264 			/*retries*/da_retry_count,
4265 			/*cbfcnp*/dadone,
4266 			/*tag_action*/MSG_SIMPLE_Q_TAG,
4267 			/*byte2*/softc->delete_method ==
4268 			    DA_DELETE_ZERO ? 0 : SWS_UNMAP,
4269 			softc->delete_method == DA_DELETE_WS16 ? 16 : 10,
4270 			/*lba*/lba,
4271 			/*block_count*/count,
4272 			/*data_ptr*/ __DECONST(void *, zero_region),
4273 			/*dxfer_len*/ softc->params.secsize,
4274 			/*sense_len*/SSD_FULL_SIZE,
4275 			da_default_timeout * 1000);
4276 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
4277 	ccb->ccb_h.flags |= CAM_UNLOCKED;
4278 	cam_iosched_submit_trim(softc->cam_iosched);
4279 }
4280 
4281 static int
4282 cmd6workaround(union ccb *ccb)
4283 {
4284 	struct scsi_rw_6 cmd6;
4285 	struct scsi_rw_10 *cmd10;
4286 	struct da_softc *softc;
4287 	u_int8_t *cdb;
4288 	struct bio *bp;
4289 	int frozen;
4290 
4291 	cdb = ccb->csio.cdb_io.cdb_bytes;
4292 	softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
4293 
4294 	if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) {
4295 		da_delete_methods old_method = softc->delete_method;
4296 
4297 		/*
4298 		 * Typically there are two reasons for failure here
4299 		 * 1. Delete method was detected as supported but isn't
4300 		 * 2. Delete failed due to invalid params e.g. too big
4301 		 *
4302 		 * While we will attempt to choose an alternative delete method
4303 		 * this may result in short deletes if the existing delete
4304 		 * requests from geom are big for the new method chosen.
4305 		 *
4306 		 * This method assumes that the error which triggered this
4307 		 * will not retry the io otherwise a panic will occur
4308 		 */
4309 		dadeleteflag(softc, old_method, 0);
4310 		dadeletemethodchoose(softc, DA_DELETE_DISABLE);
4311 		if (softc->delete_method == DA_DELETE_DISABLE)
4312 			xpt_print(ccb->ccb_h.path,
4313 				  "%s failed, disabling BIO_DELETE\n",
4314 				  da_delete_method_desc[old_method]);
4315 		else
4316 			xpt_print(ccb->ccb_h.path,
4317 				  "%s failed, switching to %s BIO_DELETE\n",
4318 				  da_delete_method_desc[old_method],
4319 				  da_delete_method_desc[softc->delete_method]);
4320 
4321 		while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL)
4322 			cam_iosched_queue_work(softc->cam_iosched, bp);
4323 		cam_iosched_queue_work(softc->cam_iosched,
4324 		    (struct bio *)ccb->ccb_h.ccb_bp);
4325 		ccb->ccb_h.ccb_bp = NULL;
4326 		return (0);
4327 	}
4328 
4329 	/* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */
4330 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
4331 	    (*cdb == PREVENT_ALLOW) &&
4332 	    (softc->quirks & DA_Q_NO_PREVENT) == 0) {
4333 		if (bootverbose)
4334 			xpt_print(ccb->ccb_h.path,
4335 			    "PREVENT ALLOW MEDIUM REMOVAL not supported.\n");
4336 		softc->quirks |= DA_Q_NO_PREVENT;
4337 		return (0);
4338 	}
4339 
4340 	/* Detect unsupported SYNCHRONIZE CACHE(10). */
4341 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
4342 	    (*cdb == SYNCHRONIZE_CACHE) &&
4343 	    (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
4344 		if (bootverbose)
4345 			xpt_print(ccb->ccb_h.path,
4346 			    "SYNCHRONIZE CACHE(10) not supported.\n");
4347 		softc->quirks |= DA_Q_NO_SYNC_CACHE;
4348 		softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE;
4349 		return (0);
4350 	}
4351 
4352 	/* Translation only possible if CDB is an array and cmd is R/W6 */
4353 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
4354 	    (*cdb != READ_6 && *cdb != WRITE_6))
4355 		return 0;
4356 
4357 	xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, "
4358 	    "increasing minimum_cmd_size to 10.\n");
4359 	softc->minimum_cmd_size = 10;
4360 
4361 	bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
4362 	cmd10 = (struct scsi_rw_10 *)cdb;
4363 	cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
4364 	cmd10->byte2 = 0;
4365 	scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
4366 	cmd10->reserved = 0;
4367 	scsi_ulto2b(cmd6.length, cmd10->length);
4368 	cmd10->control = cmd6.control;
4369 	ccb->csio.cdb_len = sizeof(*cmd10);
4370 
4371 	/* Requeue request, unfreezing queue if necessary */
4372 	frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
4373 	ccb->ccb_h.status = CAM_REQUEUE_REQ;
4374 	xpt_action(ccb);
4375 	if (frozen) {
4376 		cam_release_devq(ccb->ccb_h.path,
4377 				 /*relsim_flags*/0,
4378 				 /*reduction*/0,
4379 				 /*timeout*/0,
4380 				 /*getcount_only*/0);
4381 	}
4382 	return (ERESTART);
4383 }
4384 
4385 static void
4386 dazonedone(struct cam_periph *periph, union ccb *ccb)
4387 {
4388 	struct da_softc *softc;
4389 	struct bio *bp;
4390 
4391 	softc = periph->softc;
4392 	bp = (struct bio *)ccb->ccb_h.ccb_bp;
4393 
4394 	switch (bp->bio_zone.zone_cmd) {
4395 	case DISK_ZONE_OPEN:
4396 	case DISK_ZONE_CLOSE:
4397 	case DISK_ZONE_FINISH:
4398 	case DISK_ZONE_RWP:
4399 		break;
4400 	case DISK_ZONE_REPORT_ZONES: {
4401 		uint32_t avail_len;
4402 		struct disk_zone_report *rep;
4403 		struct scsi_report_zones_hdr *hdr;
4404 		struct scsi_report_zones_desc *desc;
4405 		struct disk_zone_rep_entry *entry;
4406 		uint32_t hdr_len, num_avail;
4407 		uint32_t num_to_fill, i;
4408 		int ata;
4409 
4410 		rep = &bp->bio_zone.zone_params.report;
4411 		avail_len = ccb->csio.dxfer_len - ccb->csio.resid;
4412 		/*
4413 		 * Note that bio_resid isn't normally used for zone
4414 		 * commands, but it is used by devstat_end_transaction_bio()
4415 		 * to determine how much data was transferred.  Because
4416 		 * the size of the SCSI/ATA data structures is different
4417 		 * than the size of the BIO interface structures, the
4418 		 * amount of data actually transferred from the drive will
4419 		 * be different than the amount of data transferred to
4420 		 * the user.
4421 		 */
4422 		bp->bio_resid = ccb->csio.resid;
4423 		hdr = (struct scsi_report_zones_hdr *)ccb->csio.data_ptr;
4424 		if (avail_len < sizeof(*hdr)) {
4425 			/*
4426 			 * Is there a better error than EIO here?  We asked
4427 			 * for at least the header, and we got less than
4428 			 * that.
4429 			 */
4430 			bp->bio_error = EIO;
4431 			bp->bio_flags |= BIO_ERROR;
4432 			bp->bio_resid = bp->bio_bcount;
4433 			break;
4434 		}
4435 
4436 		if (softc->zone_interface == DA_ZONE_IF_ATA_PASS)
4437 			ata = 1;
4438 		else
4439 			ata = 0;
4440 
4441 		hdr_len = ata ? le32dec(hdr->length) :
4442 				scsi_4btoul(hdr->length);
4443 		if (hdr_len > 0)
4444 			rep->entries_available = hdr_len / sizeof(*desc);
4445 		else
4446 			rep->entries_available = 0;
4447 		/*
4448 		 * NOTE: using the same values for the BIO version of the
4449 		 * same field as the SCSI/ATA values.  This means we could
4450 		 * get some additional values that aren't defined in bio.h
4451 		 * if more values of the same field are defined later.
4452 		 */
4453 		rep->header.same = hdr->byte4 & SRZ_SAME_MASK;
4454 		rep->header.maximum_lba = ata ?  le64dec(hdr->maximum_lba) :
4455 					  scsi_8btou64(hdr->maximum_lba);
4456 		/*
4457 		 * If the drive reports no entries that match the query,
4458 		 * we're done.
4459 		 */
4460 		if (hdr_len == 0) {
4461 			rep->entries_filled = 0;
4462 			break;
4463 		}
4464 
4465 		num_avail = min((avail_len - sizeof(*hdr)) / sizeof(*desc),
4466 				hdr_len / sizeof(*desc));
4467 		/*
4468 		 * If the drive didn't return any data, then we're done.
4469 		 */
4470 		if (num_avail == 0) {
4471 			rep->entries_filled = 0;
4472 			break;
4473 		}
4474 
4475 		num_to_fill = min(num_avail, rep->entries_allocated);
4476 		/*
4477 		 * If the user didn't allocate any entries for us to fill,
4478 		 * we're done.
4479 		 */
4480 		if (num_to_fill == 0) {
4481 			rep->entries_filled = 0;
4482 			break;
4483 		}
4484 
4485 		for (i = 0, desc = &hdr->desc_list[0], entry=&rep->entries[0];
4486 		     i < num_to_fill; i++, desc++, entry++) {
4487 			/*
4488 			 * NOTE: we're mapping the values here directly
4489 			 * from the SCSI/ATA bit definitions to the bio.h
4490 			 * definitions. There is also a warning in
4491 			 * disk_zone.h, but the impact is that if
4492 			 * additional values are added in the SCSI/ATA
4493 			 * specs these will be visible to consumers of
4494 			 * this interface.
4495 			 */
4496 			entry->zone_type = desc->zone_type & SRZ_TYPE_MASK;
4497 			entry->zone_condition =
4498 			    (desc->zone_flags & SRZ_ZONE_COND_MASK) >>
4499 			    SRZ_ZONE_COND_SHIFT;
4500 			entry->zone_flags |= desc->zone_flags &
4501 			    (SRZ_ZONE_NON_SEQ|SRZ_ZONE_RESET);
4502 			entry->zone_length =
4503 			    ata ? le64dec(desc->zone_length) :
4504 				  scsi_8btou64(desc->zone_length);
4505 			entry->zone_start_lba =
4506 			    ata ? le64dec(desc->zone_start_lba) :
4507 				  scsi_8btou64(desc->zone_start_lba);
4508 			entry->write_pointer_lba =
4509 			    ata ? le64dec(desc->write_pointer_lba) :
4510 				  scsi_8btou64(desc->write_pointer_lba);
4511 		}
4512 		rep->entries_filled = num_to_fill;
4513 		break;
4514 	}
4515 	case DISK_ZONE_GET_PARAMS:
4516 	default:
4517 		/*
4518 		 * In theory we should not get a GET_PARAMS bio, since it
4519 		 * should be handled without queueing the command to the
4520 		 * drive.
4521 		 */
4522 		panic("%s: Invalid zone command %d", __func__,
4523 		    bp->bio_zone.zone_cmd);
4524 		break;
4525 	}
4526 
4527 	if (bp->bio_zone.zone_cmd == DISK_ZONE_REPORT_ZONES)
4528 		free(ccb->csio.data_ptr, M_SCSIDA);
4529 }
4530 
4531 static void
4532 dadone(struct cam_periph *periph, union ccb *done_ccb)
4533 {
4534 	struct bio *bp, *bp1;
4535 	struct da_softc *softc;
4536 	struct ccb_scsiio *csio;
4537 	da_ccb_state state;
4538 
4539 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n"));
4540 
4541 	softc = (struct da_softc *)periph->softc;
4542 	csio = &done_ccb->csio;
4543 
4544 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
4545 	if (csio->bio != NULL)
4546 		biotrack(csio->bio, __func__);
4547 #endif
4548 	state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
4549 
4550 	cam_periph_lock(periph);
4551 	bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
4552 	if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
4553 		int error;
4554 		int sf;
4555 
4556 		if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
4557 			sf = SF_RETRY_UA;
4558 		else
4559 			sf = 0;
4560 
4561 		error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
4562 		if (error == ERESTART) {
4563 			/* A retry was scheduled, so just return. */
4564 			cam_periph_unlock(periph);
4565 			return;
4566 		}
4567 		bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
4568 		if (error != 0) {
4569 			int queued_error;
4570 
4571 			/*
4572 			 * return all queued I/O with EIO, so that
4573 			 * the client can retry these I/Os in the
4574 			 * proper order should it attempt to recover.
4575 			 */
4576 			queued_error = EIO;
4577 
4578 			if (error == ENXIO
4579 			 && (softc->flags & DA_FLAG_PACK_INVALID)== 0) {
4580 				/*
4581 				 * Catastrophic error.  Mark our pack as
4582 				 * invalid.
4583 				 *
4584 				 * XXX See if this is really a media
4585 				 * XXX change first?
4586 				 */
4587 				xpt_print(periph->path, "Invalidating pack\n");
4588 				softc->flags |= DA_FLAG_PACK_INVALID;
4589 #ifdef CAM_IO_STATS
4590 				softc->invalidations++;
4591 #endif
4592 				queued_error = ENXIO;
4593 			}
4594 			cam_iosched_flush(softc->cam_iosched, NULL,
4595 			   queued_error);
4596 			if (bp != NULL) {
4597 				bp->bio_error = error;
4598 				bp->bio_resid = bp->bio_bcount;
4599 				bp->bio_flags |= BIO_ERROR;
4600 			}
4601 		} else if (bp != NULL) {
4602 			if (state == DA_CCB_DELETE)
4603 				bp->bio_resid = 0;
4604 			else
4605 				bp->bio_resid = csio->resid;
4606 			bp->bio_error = 0;
4607 			if (bp->bio_resid != 0)
4608 				bp->bio_flags |= BIO_ERROR;
4609 		}
4610 		if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
4611 			cam_release_devq(done_ccb->ccb_h.path,
4612 					 /*relsim_flags*/0,
4613 					 /*reduction*/0,
4614 					 /*timeout*/0,
4615 					 /*getcount_only*/0);
4616 	} else if (bp != NULL) {
4617 		if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
4618 			panic("REQ_CMP with QFRZN");
4619 		if (bp->bio_cmd == BIO_ZONE)
4620 			dazonedone(periph, done_ccb);
4621 		else if (state == DA_CCB_DELETE)
4622 			bp->bio_resid = 0;
4623 		else
4624 			bp->bio_resid = csio->resid;
4625 		if ((csio->resid > 0) && (bp->bio_cmd != BIO_ZONE))
4626 			bp->bio_flags |= BIO_ERROR;
4627 		if (softc->error_inject != 0) {
4628 			bp->bio_error = softc->error_inject;
4629 			bp->bio_resid = bp->bio_bcount;
4630 			bp->bio_flags |= BIO_ERROR;
4631 			softc->error_inject = 0;
4632 		}
4633 	}
4634 
4635 	if (bp != NULL)
4636 		biotrack(bp, __func__);
4637 	LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
4638 	if (LIST_EMPTY(&softc->pending_ccbs))
4639 		softc->flags |= DA_FLAG_WAS_OTAG;
4640 
4641 	/*
4642 	 * We need to call cam_iosched before we call biodone so that we don't
4643 	 * measure any activity that happens in the completion routine, which in
4644 	 * the case of sendfile can be quite extensive. Release the periph
4645 	 * refcount taken in dastart() for each CCB.
4646 	 */
4647 	cam_iosched_bio_complete(softc->cam_iosched, bp, done_ccb);
4648 	xpt_release_ccb(done_ccb);
4649 	KASSERT(softc->refcount >= 1, ("dadone softc %p refcount %d", softc, softc->refcount));
4650 	softc->refcount--;
4651 	if (state == DA_CCB_DELETE) {
4652 		TAILQ_HEAD(, bio) queue;
4653 
4654 		TAILQ_INIT(&queue);
4655 		TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue);
4656 		softc->delete_run_queue.insert_point = NULL;
4657 		/*
4658 		 * Normally, the xpt_release_ccb() above would make sure
4659 		 * that when we have more work to do, that work would
4660 		 * get kicked off. However, we specifically keep
4661 		 * delete_running set to 0 before the call above to
4662 		 * allow other I/O to progress when many BIO_DELETE
4663 		 * requests are pushed down. We set delete_running to 0
4664 		 * and call daschedule again so that we don't stall if
4665 		 * there are no other I/Os pending apart from BIO_DELETEs.
4666 		 */
4667 		cam_iosched_trim_done(softc->cam_iosched);
4668 		daschedule(periph);
4669 		cam_periph_unlock(periph);
4670 		while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
4671 			TAILQ_REMOVE(&queue, bp1, bio_queue);
4672 			bp1->bio_error = bp->bio_error;
4673 			if (bp->bio_flags & BIO_ERROR) {
4674 				bp1->bio_flags |= BIO_ERROR;
4675 				bp1->bio_resid = bp1->bio_bcount;
4676 			} else
4677 				bp1->bio_resid = 0;
4678 			biodone(bp1);
4679 		}
4680 	} else {
4681 		daschedule(periph);
4682 		cam_periph_unlock(periph);
4683 	}
4684 	if (bp != NULL)
4685 		biodone(bp);
4686 	return;
4687 }
4688 
4689 static void
4690 dadone_probewp(struct cam_periph *periph, union ccb *done_ccb)
4691 {
4692 	struct scsi_mode_header_6 *mode_hdr6;
4693 	struct scsi_mode_header_10 *mode_hdr10;
4694 	struct da_softc *softc;
4695 	struct ccb_scsiio *csio;
4696 	u_int32_t  priority;
4697 	uint8_t dev_spec;
4698 
4699 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probewp\n"));
4700 
4701 	softc = (struct da_softc *)periph->softc;
4702 	priority = done_ccb->ccb_h.pinfo.priority;
4703 	csio = &done_ccb->csio;
4704 
4705 	cam_periph_assert(periph, MA_OWNED);
4706 
4707 	KASSERT(softc->state == DA_STATE_PROBE_WP,
4708 	    ("State (%d) not PROBE_WP in dadone_probewp, periph %p ccb %p",
4709 		softc->state, periph, done_ccb));
4710         KASSERT((csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) == DA_CCB_PROBE_WP,
4711 	    ("CCB State (%lu) not PROBE_WP in dadone_probewp, periph %p ccb %p",
4712 		(unsigned long)csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK, periph,
4713 		done_ccb));
4714 
4715 	if (softc->minimum_cmd_size > 6) {
4716 		mode_hdr10 = (struct scsi_mode_header_10 *)csio->data_ptr;
4717 		dev_spec = mode_hdr10->dev_spec;
4718 	} else {
4719 		mode_hdr6 = (struct scsi_mode_header_6 *)csio->data_ptr;
4720 		dev_spec = mode_hdr6->dev_spec;
4721 	}
4722 	if (cam_ccb_status(done_ccb) == CAM_REQ_CMP) {
4723 		if ((dev_spec & 0x80) != 0)
4724 			softc->disk->d_flags |= DISKFLAG_WRITE_PROTECT;
4725 		else
4726 			softc->disk->d_flags &= ~DISKFLAG_WRITE_PROTECT;
4727 	} else {
4728 		int error;
4729 
4730 		error = daerror(done_ccb, CAM_RETRY_SELTO,
4731 				SF_RETRY_UA|SF_NO_PRINT);
4732 		if (error == ERESTART)
4733 			return;
4734 		else if (error != 0) {
4735 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4736 				/* Don't wedge this device's queue */
4737 				cam_release_devq(done_ccb->ccb_h.path,
4738 						 /*relsim_flags*/0,
4739 						 /*reduction*/0,
4740 						 /*timeout*/0,
4741 						 /*getcount_only*/0);
4742 			}
4743 		}
4744 	}
4745 
4746 	free(csio->data_ptr, M_SCSIDA);
4747 	if ((softc->flags & DA_FLAG_CAN_RC16) != 0)
4748 		softc->state = DA_STATE_PROBE_RC16;
4749 	else
4750 		softc->state = DA_STATE_PROBE_RC;
4751 	xpt_release_ccb(done_ccb);
4752 	xpt_schedule(periph, priority);
4753 	return;
4754 }
4755 
4756 static void
4757 dadone_proberc(struct cam_periph *periph, union ccb *done_ccb)
4758 {
4759 	struct scsi_read_capacity_data *rdcap;
4760 	struct scsi_read_capacity_data_long *rcaplong;
4761 	struct da_softc *softc;
4762 	struct ccb_scsiio *csio;
4763 	da_ccb_state state;
4764 	char *announce_buf;
4765 	u_int32_t  priority;
4766 	int lbp, n;
4767 
4768 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_proberc\n"));
4769 
4770 	softc = (struct da_softc *)periph->softc;
4771 	priority = done_ccb->ccb_h.pinfo.priority;
4772 	csio = &done_ccb->csio;
4773 	state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
4774 
4775 	KASSERT(softc->state == DA_STATE_PROBE_RC || softc->state == DA_STATE_PROBE_RC16,
4776 	    ("State (%d) not PROBE_RC* in dadone_proberc, periph %p ccb %p",
4777 		softc->state, periph, done_ccb));
4778 	KASSERT(state == DA_CCB_PROBE_RC || state == DA_CCB_PROBE_RC16,
4779 	    ("CCB State (%lu) not PROBE_RC* in dadone_probewp, periph %p ccb %p",
4780 		(unsigned long)state, periph, done_ccb));
4781 
4782 	lbp = 0;
4783 	rdcap = NULL;
4784 	rcaplong = NULL;
4785 	/* XXX TODO: can this be a malloc? */
4786 	announce_buf = softc->announce_temp;
4787 	bzero(announce_buf, DA_ANNOUNCETMP_SZ);
4788 
4789 	if (state == DA_CCB_PROBE_RC)
4790 		rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
4791 	else
4792 		rcaplong = (struct scsi_read_capacity_data_long *)
4793 			csio->data_ptr;
4794 
4795 	cam_periph_assert(periph, MA_OWNED);
4796 
4797 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4798 		struct disk_params *dp;
4799 		uint32_t block_size;
4800 		uint64_t maxsector;
4801 		u_int lalba;	/* Lowest aligned LBA. */
4802 
4803 		if (state == DA_CCB_PROBE_RC) {
4804 			block_size = scsi_4btoul(rdcap->length);
4805 			maxsector = scsi_4btoul(rdcap->addr);
4806 			lalba = 0;
4807 
4808 			/*
4809 			 * According to SBC-2, if the standard 10
4810 			 * byte READ CAPACITY command returns 2^32,
4811 			 * we should issue the 16 byte version of
4812 			 * the command, since the device in question
4813 			 * has more sectors than can be represented
4814 			 * with the short version of the command.
4815 			 */
4816 			if (maxsector == 0xffffffff) {
4817 				free(rdcap, M_SCSIDA);
4818 				softc->state = DA_STATE_PROBE_RC16;
4819 				xpt_release_ccb(done_ccb);
4820 				xpt_schedule(periph, priority);
4821 				return;
4822 			}
4823 		} else {
4824 			block_size = scsi_4btoul(rcaplong->length);
4825 			maxsector = scsi_8btou64(rcaplong->addr);
4826 			lalba = scsi_2btoul(rcaplong->lalba_lbp);
4827 		}
4828 
4829 		/*
4830 		 * Because GEOM code just will panic us if we
4831 		 * give them an 'illegal' value we'll avoid that
4832 		 * here.
4833 		 */
4834 		if (block_size == 0) {
4835 			block_size = 512;
4836 			if (maxsector == 0)
4837 				maxsector = -1;
4838 		}
4839 		if (block_size >= maxphys) {
4840 			xpt_print(periph->path,
4841 			    "unsupportable block size %ju\n",
4842 			    (uintmax_t) block_size);
4843 			announce_buf = NULL;
4844 			cam_periph_invalidate(periph);
4845 		} else {
4846 			/*
4847 			 * We pass rcaplong into dasetgeom(),
4848 			 * because it will only use it if it is
4849 			 * non-NULL.
4850 			 */
4851 			dasetgeom(periph, block_size, maxsector,
4852 				  rcaplong, sizeof(*rcaplong));
4853 			lbp = (lalba & SRC16_LBPME_A);
4854 			dp = &softc->params;
4855 			n = snprintf(announce_buf, DA_ANNOUNCETMP_SZ,
4856 			    "%juMB (%ju %u byte sectors",
4857 			    ((uintmax_t)dp->secsize * dp->sectors) /
4858 			     (1024 * 1024),
4859 			    (uintmax_t)dp->sectors, dp->secsize);
4860 			if (softc->p_type != 0) {
4861 				n += snprintf(announce_buf + n,
4862 				    DA_ANNOUNCETMP_SZ - n,
4863 				    ", DIF type %d", softc->p_type);
4864 			}
4865 			snprintf(announce_buf + n, DA_ANNOUNCETMP_SZ - n, ")");
4866 		}
4867 	} else {
4868 		int error;
4869 
4870 		/*
4871 		 * Retry any UNIT ATTENTION type errors.  They
4872 		 * are expected at boot.
4873 		 */
4874 		error = daerror(done_ccb, CAM_RETRY_SELTO,
4875 				SF_RETRY_UA|SF_NO_PRINT);
4876 		if (error == ERESTART) {
4877 			/*
4878 			 * A retry was scheuled, so
4879 			 * just return.
4880 			 */
4881 			return;
4882 		} else if (error != 0) {
4883 			int asc, ascq;
4884 			int sense_key, error_code;
4885 			int have_sense;
4886 			cam_status status;
4887 			struct ccb_getdev cgd;
4888 
4889 			/* Don't wedge this device's queue */
4890 			status = done_ccb->ccb_h.status;
4891 			if ((status & CAM_DEV_QFRZN) != 0)
4892 				cam_release_devq(done_ccb->ccb_h.path,
4893 						 /*relsim_flags*/0,
4894 						 /*reduction*/0,
4895 						 /*timeout*/0,
4896 						 /*getcount_only*/0);
4897 
4898 			memset(&cgd, 0, sizeof(cgd));
4899 			xpt_setup_ccb(&cgd.ccb_h, done_ccb->ccb_h.path,
4900 				      CAM_PRIORITY_NORMAL);
4901 			cgd.ccb_h.func_code = XPT_GDEV_TYPE;
4902 			xpt_action((union ccb *)&cgd);
4903 
4904 			if (scsi_extract_sense_ccb(done_ccb,
4905 			    &error_code, &sense_key, &asc, &ascq))
4906 				have_sense = TRUE;
4907 			else
4908 				have_sense = FALSE;
4909 
4910 			/*
4911 			 * If we tried READ CAPACITY(16) and failed,
4912 			 * fallback to READ CAPACITY(10).
4913 			 */
4914 			if ((state == DA_CCB_PROBE_RC16) &&
4915 			    (softc->flags & DA_FLAG_CAN_RC16) &&
4916 			    (((csio->ccb_h.status & CAM_STATUS_MASK) ==
4917 				CAM_REQ_INVALID) ||
4918 			     ((have_sense) &&
4919 			      (error_code == SSD_CURRENT_ERROR ||
4920 			       error_code == SSD_DESC_CURRENT_ERROR) &&
4921 			      (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
4922 				cam_periph_assert(periph, MA_OWNED);
4923 				softc->flags &= ~DA_FLAG_CAN_RC16;
4924 				free(rdcap, M_SCSIDA);
4925 				softc->state = DA_STATE_PROBE_RC;
4926 				xpt_release_ccb(done_ccb);
4927 				xpt_schedule(periph, priority);
4928 				return;
4929 			}
4930 
4931 			/*
4932 			 * Attach to anything that claims to be a
4933 			 * direct access or optical disk device,
4934 			 * as long as it doesn't return a "Logical
4935 			 * unit not supported" (0x25) error.
4936 			 * "Internal Target Failure" (0x44) is also
4937 			 * special and typically means that the
4938 			 * device is a SATA drive behind a SATL
4939 			 * translation that's fallen into a
4940 			 * terminally fatal state.
4941 			 */
4942 			if ((have_sense)
4943 			 && (asc != 0x25) && (asc != 0x44)
4944 			 && (error_code == SSD_CURRENT_ERROR
4945 			  || error_code == SSD_DESC_CURRENT_ERROR)) {
4946 				const char *sense_key_desc;
4947 				const char *asc_desc;
4948 
4949 				dasetgeom(periph, 512, -1, NULL, 0);
4950 				scsi_sense_desc(sense_key, asc, ascq,
4951 						&cgd.inq_data, &sense_key_desc,
4952 						&asc_desc);
4953 				snprintf(announce_buf, DA_ANNOUNCETMP_SZ,
4954 				    "Attempt to query device "
4955 				    "size failed: %s, %s",
4956 				    sense_key_desc, asc_desc);
4957 			} else {
4958 				if (have_sense)
4959 					scsi_sense_print(&done_ccb->csio);
4960 				else {
4961 					xpt_print(periph->path,
4962 					    "got CAM status %#x\n",
4963 					    done_ccb->ccb_h.status);
4964 				}
4965 
4966 				xpt_print(periph->path, "fatal error, "
4967 				    "failed to attach to device\n");
4968 
4969 				announce_buf = NULL;
4970 
4971 				/*
4972 				 * Free up resources.
4973 				 */
4974 				cam_periph_invalidate(periph);
4975 			}
4976 		}
4977 	}
4978 	free(csio->data_ptr, M_SCSIDA);
4979 	if (announce_buf != NULL &&
4980 	    ((softc->flags & DA_FLAG_ANNOUNCED) == 0)) {
4981 		struct sbuf sb;
4982 
4983 		sbuf_new(&sb, softc->announcebuf, DA_ANNOUNCE_SZ,
4984 		    SBUF_FIXEDLEN);
4985 		xpt_announce_periph_sbuf(periph, &sb, announce_buf);
4986 		xpt_announce_quirks_sbuf(periph, &sb, softc->quirks,
4987 		    DA_Q_BIT_STRING);
4988 		sbuf_finish(&sb);
4989 		sbuf_putbuf(&sb);
4990 
4991 		/*
4992 		 * Create our sysctl variables, now that we know
4993 		 * we have successfully attached.
4994 		 */
4995 		/* increase the refcount */
4996 		if (da_periph_acquire(periph, DA_REF_SYSCTL) == 0) {
4997 			taskqueue_enqueue(taskqueue_thread,
4998 					  &softc->sysctl_task);
4999 		} else {
5000 			/* XXX This message is useless! */
5001 			xpt_print(periph->path, "fatal error, "
5002 			    "could not acquire reference count\n");
5003 		}
5004 	}
5005 
5006 	/* We already probed the device. */
5007 	if (softc->flags & DA_FLAG_PROBED) {
5008 		daprobedone(periph, done_ccb);
5009 		return;
5010 	}
5011 
5012 	/* Ensure re-probe doesn't see old delete. */
5013 	softc->delete_available = 0;
5014 	dadeleteflag(softc, DA_DELETE_ZERO, 1);
5015 	if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) {
5016 		/*
5017 		 * Based on older SBC-3 spec revisions
5018 		 * any of the UNMAP methods "may" be
5019 		 * available via LBP given this flag so
5020 		 * we flag all of them as available and
5021 		 * then remove those which further
5022 		 * probes confirm aren't available
5023 		 * later.
5024 		 *
5025 		 * We could also check readcap(16) p_type
5026 		 * flag to exclude one or more invalid
5027 		 * write same (X) types here
5028 		 */
5029 		dadeleteflag(softc, DA_DELETE_WS16, 1);
5030 		dadeleteflag(softc, DA_DELETE_WS10, 1);
5031 		dadeleteflag(softc, DA_DELETE_UNMAP, 1);
5032 
5033 		softc->state = DA_STATE_PROBE_LBP;
5034 		xpt_release_ccb(done_ccb);
5035 		xpt_schedule(periph, priority);
5036 		return;
5037 	}
5038 
5039 	softc->state = DA_STATE_PROBE_BDC;
5040 	xpt_release_ccb(done_ccb);
5041 	xpt_schedule(periph, priority);
5042 	return;
5043 }
5044 
5045 static void
5046 dadone_probelbp(struct cam_periph *periph, union ccb *done_ccb)
5047 {
5048 	struct scsi_vpd_logical_block_prov *lbp;
5049 	struct da_softc *softc;
5050 	struct ccb_scsiio *csio;
5051 	u_int32_t  priority;
5052 
5053 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probelbp\n"));
5054 
5055 	softc = (struct da_softc *)periph->softc;
5056 	priority = done_ccb->ccb_h.pinfo.priority;
5057 	csio = &done_ccb->csio;
5058 	lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr;
5059 
5060 	cam_periph_assert(periph, MA_OWNED);
5061 
5062 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5063 		/*
5064 		 * T10/1799-D Revision 31 states at least one of these
5065 		 * must be supported but we don't currently enforce this.
5066 		 */
5067 		dadeleteflag(softc, DA_DELETE_WS16,
5068 		     (lbp->flags & SVPD_LBP_WS16));
5069 		dadeleteflag(softc, DA_DELETE_WS10,
5070 			     (lbp->flags & SVPD_LBP_WS10));
5071 		dadeleteflag(softc, DA_DELETE_UNMAP,
5072 			     (lbp->flags & SVPD_LBP_UNMAP));
5073 	} else {
5074 		int error;
5075 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5076 				SF_RETRY_UA|SF_NO_PRINT);
5077 		if (error == ERESTART)
5078 			return;
5079 		else if (error != 0) {
5080 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5081 				/* Don't wedge this device's queue */
5082 				cam_release_devq(done_ccb->ccb_h.path,
5083 						 /*relsim_flags*/0,
5084 						 /*reduction*/0,
5085 						 /*timeout*/0,
5086 						 /*getcount_only*/0);
5087 			}
5088 
5089 			/*
5090 			 * Failure indicates we don't support any SBC-3
5091 			 * delete methods with UNMAP
5092 			 */
5093 		}
5094 	}
5095 
5096 	free(lbp, M_SCSIDA);
5097 	softc->state = DA_STATE_PROBE_BLK_LIMITS;
5098 	xpt_release_ccb(done_ccb);
5099 	xpt_schedule(periph, priority);
5100 	return;
5101 }
5102 
5103 static void
5104 dadone_probeblklimits(struct cam_periph *periph, union ccb *done_ccb)
5105 {
5106 	struct scsi_vpd_block_limits *block_limits;
5107 	struct da_softc *softc;
5108 	struct ccb_scsiio *csio;
5109 	u_int32_t  priority;
5110 
5111 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeblklimits\n"));
5112 
5113 	softc = (struct da_softc *)periph->softc;
5114 	priority = done_ccb->ccb_h.pinfo.priority;
5115 	csio = &done_ccb->csio;
5116 	block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr;
5117 
5118 	cam_periph_assert(periph, MA_OWNED);
5119 
5120 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5121 		uint32_t max_txfer_len = scsi_4btoul(
5122 			block_limits->max_txfer_len);
5123 		uint32_t max_unmap_lba_cnt = scsi_4btoul(
5124 			block_limits->max_unmap_lba_cnt);
5125 		uint32_t max_unmap_blk_cnt = scsi_4btoul(
5126 			block_limits->max_unmap_blk_cnt);
5127 		uint32_t unmap_gran = scsi_4btoul(
5128 			block_limits->opt_unmap_grain);
5129 		uint32_t unmap_gran_align = scsi_4btoul(
5130 			block_limits->unmap_grain_align);
5131 		uint64_t ws_max_blks = scsi_8btou64(
5132 			block_limits->max_write_same_length);
5133 
5134 		if (max_txfer_len != 0) {
5135 			softc->disk->d_maxsize = MIN(softc->maxio,
5136 			    (off_t)max_txfer_len * softc->params.secsize);
5137 		}
5138 
5139 		/*
5140 		 * We should already support UNMAP but we check lba
5141 		 * and block count to be sure
5142 		 */
5143 		if (max_unmap_lba_cnt != 0x00L &&
5144 		    max_unmap_blk_cnt != 0x00L) {
5145 			softc->unmap_max_lba = max_unmap_lba_cnt;
5146 			softc->unmap_max_ranges = min(max_unmap_blk_cnt,
5147 				UNMAP_MAX_RANGES);
5148 			if (unmap_gran > 1) {
5149 				softc->unmap_gran = unmap_gran;
5150 				if (unmap_gran_align & 0x80000000) {
5151 					softc->unmap_gran_align =
5152 					    unmap_gran_align & 0x7fffffff;
5153 				}
5154 			}
5155 		} else {
5156 			/*
5157 			 * Unexpected UNMAP limits which means the
5158 			 * device doesn't actually support UNMAP
5159 			 */
5160 			dadeleteflag(softc, DA_DELETE_UNMAP, 0);
5161 		}
5162 
5163 		if (ws_max_blks != 0x00L)
5164 			softc->ws_max_blks = ws_max_blks;
5165 	} else {
5166 		int error;
5167 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5168 				SF_RETRY_UA|SF_NO_PRINT);
5169 		if (error == ERESTART)
5170 			return;
5171 		else if (error != 0) {
5172 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5173 				/* Don't wedge this device's queue */
5174 				cam_release_devq(done_ccb->ccb_h.path,
5175 						 /*relsim_flags*/0,
5176 						 /*reduction*/0,
5177 						 /*timeout*/0,
5178 						 /*getcount_only*/0);
5179 			}
5180 
5181 			/*
5182 			 * Failure here doesn't mean UNMAP is not
5183 			 * supported as this is an optional page.
5184 			 */
5185 			softc->unmap_max_lba = 1;
5186 			softc->unmap_max_ranges = 1;
5187 		}
5188 	}
5189 
5190 	free(block_limits, M_SCSIDA);
5191 	softc->state = DA_STATE_PROBE_BDC;
5192 	xpt_release_ccb(done_ccb);
5193 	xpt_schedule(periph, priority);
5194 	return;
5195 }
5196 
5197 static void
5198 dadone_probebdc(struct cam_periph *periph, union ccb *done_ccb)
5199 {
5200 	struct scsi_vpd_block_device_characteristics *bdc;
5201 	struct da_softc *softc;
5202 	struct ccb_scsiio *csio;
5203 	u_int32_t  priority;
5204 
5205 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probebdc\n"));
5206 
5207 	softc = (struct da_softc *)periph->softc;
5208 	priority = done_ccb->ccb_h.pinfo.priority;
5209 	csio = &done_ccb->csio;
5210 	bdc = (struct scsi_vpd_block_device_characteristics *)csio->data_ptr;
5211 
5212 	cam_periph_assert(periph, MA_OWNED);
5213 
5214 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5215 		uint32_t valid_len;
5216 
5217 		/*
5218 		 * Disable queue sorting for non-rotational media
5219 		 * by default.
5220 		 */
5221 		u_int16_t old_rate = softc->disk->d_rotation_rate;
5222 
5223 		valid_len = csio->dxfer_len - csio->resid;
5224 		if (SBDC_IS_PRESENT(bdc, valid_len,
5225 		    medium_rotation_rate)) {
5226 			softc->disk->d_rotation_rate =
5227 				scsi_2btoul(bdc->medium_rotation_rate);
5228 			if (softc->disk->d_rotation_rate == SVPD_NON_ROTATING) {
5229 				cam_iosched_set_sort_queue(
5230 				    softc->cam_iosched, 0);
5231 				softc->flags &= ~DA_FLAG_ROTATING;
5232 			}
5233 			if (softc->disk->d_rotation_rate != old_rate) {
5234 				disk_attr_changed(softc->disk,
5235 				    "GEOM::rotation_rate", M_NOWAIT);
5236 			}
5237 		}
5238 		if ((SBDC_IS_PRESENT(bdc, valid_len, flags))
5239 		 && (softc->zone_mode == DA_ZONE_NONE)) {
5240 			int ata_proto;
5241 
5242 			if (scsi_vpd_supported_page(periph,
5243 			    SVPD_ATA_INFORMATION))
5244 				ata_proto = 1;
5245 			else
5246 				ata_proto = 0;
5247 
5248 			/*
5249 			 * The Zoned field will only be set for
5250 			 * Drive Managed and Host Aware drives.  If
5251 			 * they are Host Managed, the device type
5252 			 * in the standard INQUIRY data should be
5253 			 * set to T_ZBC_HM (0x14).
5254 			 */
5255 			if ((bdc->flags & SVPD_ZBC_MASK) ==
5256 			     SVPD_HAW_ZBC) {
5257 				softc->zone_mode = DA_ZONE_HOST_AWARE;
5258 				softc->zone_interface = (ata_proto) ?
5259 				   DA_ZONE_IF_ATA_SAT : DA_ZONE_IF_SCSI;
5260 			} else if ((bdc->flags & SVPD_ZBC_MASK) ==
5261 			     SVPD_DM_ZBC) {
5262 				softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
5263 				softc->zone_interface = (ata_proto) ?
5264 				   DA_ZONE_IF_ATA_SAT : DA_ZONE_IF_SCSI;
5265 			} else if ((bdc->flags & SVPD_ZBC_MASK) !=
5266 				  SVPD_ZBC_NR) {
5267 				xpt_print(periph->path, "Unknown zoned "
5268 				    "type %#x",
5269 				    bdc->flags & SVPD_ZBC_MASK);
5270 			}
5271 		}
5272 	} else {
5273 		int error;
5274 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5275 				SF_RETRY_UA|SF_NO_PRINT);
5276 		if (error == ERESTART)
5277 			return;
5278 		else if (error != 0) {
5279 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5280 				/* Don't wedge this device's queue */
5281 				cam_release_devq(done_ccb->ccb_h.path,
5282 						 /*relsim_flags*/0,
5283 						 /*reduction*/0,
5284 						 /*timeout*/0,
5285 						 /*getcount_only*/0);
5286 			}
5287 		}
5288 	}
5289 
5290 	free(bdc, M_SCSIDA);
5291 	softc->state = DA_STATE_PROBE_ATA;
5292 	xpt_release_ccb(done_ccb);
5293 	xpt_schedule(periph, priority);
5294 	return;
5295 }
5296 
5297 static void
5298 dadone_probeata(struct cam_periph *periph, union ccb *done_ccb)
5299 {
5300 	struct ata_params *ata_params;
5301 	struct ccb_scsiio *csio;
5302 	struct da_softc *softc;
5303 	u_int32_t  priority;
5304 	int continue_probe;
5305 	int error;
5306 
5307 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeata\n"));
5308 
5309 	softc = (struct da_softc *)periph->softc;
5310 	priority = done_ccb->ccb_h.pinfo.priority;
5311 	csio = &done_ccb->csio;
5312 	ata_params = (struct ata_params *)csio->data_ptr;
5313 	continue_probe = 0;
5314 	error = 0;
5315 
5316 	cam_periph_assert(periph, MA_OWNED);
5317 
5318 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5319 		uint16_t old_rate;
5320 
5321 		ata_param_fixup(ata_params);
5322 		if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM &&
5323 		    (softc->quirks & DA_Q_NO_UNMAP) == 0) {
5324 			dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1);
5325 			if (ata_params->max_dsm_blocks != 0)
5326 				softc->trim_max_ranges = min(
5327 				  softc->trim_max_ranges,
5328 				  ata_params->max_dsm_blocks *
5329 				  ATA_DSM_BLK_RANGES);
5330 		}
5331 		/*
5332 		 * Disable queue sorting for non-rotational media
5333 		 * by default.
5334 		 */
5335 		old_rate = softc->disk->d_rotation_rate;
5336 		softc->disk->d_rotation_rate = ata_params->media_rotation_rate;
5337 		if (softc->disk->d_rotation_rate == ATA_RATE_NON_ROTATING) {
5338 			cam_iosched_set_sort_queue(softc->cam_iosched, 0);
5339 			softc->flags &= ~DA_FLAG_ROTATING;
5340 		}
5341 		if (softc->disk->d_rotation_rate != old_rate) {
5342 			disk_attr_changed(softc->disk,
5343 			    "GEOM::rotation_rate", M_NOWAIT);
5344 		}
5345 
5346 		cam_periph_assert(periph, MA_OWNED);
5347 		if (ata_params->capabilities1 & ATA_SUPPORT_DMA)
5348 			softc->flags |= DA_FLAG_CAN_ATA_DMA;
5349 
5350 		if (ata_params->support.extension & ATA_SUPPORT_GENLOG)
5351 			softc->flags |= DA_FLAG_CAN_ATA_LOG;
5352 
5353 		/*
5354 		 * At this point, if we have a SATA host aware drive,
5355 		 * we communicate via ATA passthrough unless the
5356 		 * SAT layer supports ZBC -> ZAC translation.  In
5357 		 * that case,
5358 		 *
5359 		 * XXX KDM figure out how to detect a host managed
5360 		 * SATA drive.
5361 		 */
5362 		if (softc->zone_mode == DA_ZONE_NONE) {
5363 			/*
5364 			 * Note that we don't override the zone
5365 			 * mode or interface if it has already been
5366 			 * set.  This is because it has either been
5367 			 * set as a quirk, or when we probed the
5368 			 * SCSI Block Device Characteristics page,
5369 			 * the zoned field was set.  The latter
5370 			 * means that the SAT layer supports ZBC to
5371 			 * ZAC translation, and we would prefer to
5372 			 * use that if it is available.
5373 			 */
5374 			if ((ata_params->support3 &
5375 			    ATA_SUPPORT_ZONE_MASK) ==
5376 			    ATA_SUPPORT_ZONE_HOST_AWARE) {
5377 				softc->zone_mode = DA_ZONE_HOST_AWARE;
5378 				softc->zone_interface =
5379 				    DA_ZONE_IF_ATA_PASS;
5380 			} else if ((ata_params->support3 &
5381 				    ATA_SUPPORT_ZONE_MASK) ==
5382 				    ATA_SUPPORT_ZONE_DEV_MANAGED) {
5383 				softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
5384 				softc->zone_interface = DA_ZONE_IF_ATA_PASS;
5385 			}
5386 		}
5387 
5388 	} else {
5389 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5390 				SF_RETRY_UA|SF_NO_PRINT);
5391 		if (error == ERESTART)
5392 			return;
5393 		else if (error != 0) {
5394 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5395 				/* Don't wedge this device's queue */
5396 				cam_release_devq(done_ccb->ccb_h.path,
5397 						 /*relsim_flags*/0,
5398 						 /*reduction*/0,
5399 						 /*timeout*/0,
5400 						 /*getcount_only*/0);
5401 			}
5402 		}
5403 	}
5404 
5405 	if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
5406 	 || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
5407 		/*
5408 		 * If the ATA IDENTIFY failed, we could be talking
5409 		 * to a SCSI drive, although that seems unlikely,
5410 		 * since the drive did report that it supported the
5411 		 * ATA Information VPD page.  If the ATA IDENTIFY
5412 		 * succeeded, and the SAT layer doesn't support
5413 		 * ZBC -> ZAC translation, continue on to get the
5414 		 * directory of ATA logs, and complete the rest of
5415 		 * the ZAC probe.  If the SAT layer does support
5416 		 * ZBC -> ZAC translation, we want to use that,
5417 		 * and we'll probe the SCSI Zoned Block Device
5418 		 * Characteristics VPD page next.
5419 		 */
5420 		if ((error == 0)
5421 		 && (softc->flags & DA_FLAG_CAN_ATA_LOG)
5422 		 && (softc->zone_interface == DA_ZONE_IF_ATA_PASS))
5423 			softc->state = DA_STATE_PROBE_ATA_LOGDIR;
5424 		else
5425 			softc->state = DA_STATE_PROBE_ZONE;
5426 		continue_probe = 1;
5427 	}
5428 	if (continue_probe != 0) {
5429 		xpt_schedule(periph, priority);
5430 		xpt_release_ccb(done_ccb);
5431 		return;
5432 	} else
5433 		daprobedone(periph, done_ccb);
5434 	return;
5435 }
5436 
5437 static void
5438 dadone_probeatalogdir(struct cam_periph *periph, union ccb *done_ccb)
5439 {
5440 	struct da_softc *softc;
5441 	struct ccb_scsiio *csio;
5442 	u_int32_t  priority;
5443 	int error;
5444 
5445 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatalogdir\n"));
5446 
5447 	softc = (struct da_softc *)periph->softc;
5448 	priority = done_ccb->ccb_h.pinfo.priority;
5449 	csio = &done_ccb->csio;
5450 
5451 	cam_periph_assert(periph, MA_OWNED);
5452 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5453 		error = 0;
5454 		softc->valid_logdir_len = 0;
5455 		bzero(&softc->ata_logdir, sizeof(softc->ata_logdir));
5456 		softc->valid_logdir_len = csio->dxfer_len - csio->resid;
5457 		if (softc->valid_logdir_len > 0)
5458 			bcopy(csio->data_ptr, &softc->ata_logdir,
5459 			    min(softc->valid_logdir_len,
5460 				sizeof(softc->ata_logdir)));
5461 		/*
5462 		 * Figure out whether the Identify Device log is
5463 		 * supported.  The General Purpose log directory
5464 		 * has a header, and lists the number of pages
5465 		 * available for each GP log identified by the
5466 		 * offset into the list.
5467 		 */
5468 		if ((softc->valid_logdir_len >=
5469 		    ((ATA_IDENTIFY_DATA_LOG + 1) * sizeof(uint16_t)))
5470 		 && (le16dec(softc->ata_logdir.header) ==
5471 		     ATA_GP_LOG_DIR_VERSION)
5472 		 && (le16dec(&softc->ata_logdir.num_pages[
5473 		     (ATA_IDENTIFY_DATA_LOG *
5474 		     sizeof(uint16_t)) - sizeof(uint16_t)]) > 0)){
5475 			softc->flags |= DA_FLAG_CAN_ATA_IDLOG;
5476 		} else {
5477 			softc->flags &= ~DA_FLAG_CAN_ATA_IDLOG;
5478 		}
5479 	} else {
5480 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5481 				SF_RETRY_UA|SF_NO_PRINT);
5482 		if (error == ERESTART)
5483 			return;
5484 		else if (error != 0) {
5485 			/*
5486 			 * If we can't get the ATA log directory,
5487 			 * then ATA logs are effectively not
5488 			 * supported even if the bit is set in the
5489 			 * identify data.
5490 			 */
5491 			softc->flags &= ~(DA_FLAG_CAN_ATA_LOG |
5492 					  DA_FLAG_CAN_ATA_IDLOG);
5493 			if ((done_ccb->ccb_h.status &
5494 			     CAM_DEV_QFRZN) != 0) {
5495 				/* Don't wedge this device's queue */
5496 				cam_release_devq(done_ccb->ccb_h.path,
5497 						 /*relsim_flags*/0,
5498 						 /*reduction*/0,
5499 						 /*timeout*/0,
5500 						 /*getcount_only*/0);
5501 			}
5502 		}
5503 	}
5504 
5505 	free(csio->data_ptr, M_SCSIDA);
5506 
5507 	if ((error == 0)
5508 	 && (softc->flags & DA_FLAG_CAN_ATA_IDLOG)) {
5509 		softc->state = DA_STATE_PROBE_ATA_IDDIR;
5510 		xpt_release_ccb(done_ccb);
5511 		xpt_schedule(periph, priority);
5512 		return;
5513 	}
5514 	daprobedone(periph, done_ccb);
5515 	return;
5516 }
5517 
5518 static void
5519 dadone_probeataiddir(struct cam_periph *periph, union ccb *done_ccb)
5520 {
5521 	struct da_softc *softc;
5522 	struct ccb_scsiio *csio;
5523 	u_int32_t  priority;
5524 	int error;
5525 
5526 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeataiddir\n"));
5527 
5528 	softc = (struct da_softc *)periph->softc;
5529 	priority = done_ccb->ccb_h.pinfo.priority;
5530 	csio = &done_ccb->csio;
5531 
5532 	cam_periph_assert(periph, MA_OWNED);
5533 
5534 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5535 		off_t entries_offset, max_entries;
5536 		error = 0;
5537 
5538 		softc->valid_iddir_len = 0;
5539 		bzero(&softc->ata_iddir, sizeof(softc->ata_iddir));
5540 		softc->flags &= ~(DA_FLAG_CAN_ATA_SUPCAP |
5541 				  DA_FLAG_CAN_ATA_ZONE);
5542 		softc->valid_iddir_len = csio->dxfer_len - csio->resid;
5543 		if (softc->valid_iddir_len > 0)
5544 			bcopy(csio->data_ptr, &softc->ata_iddir,
5545 			    min(softc->valid_iddir_len,
5546 				sizeof(softc->ata_iddir)));
5547 
5548 		entries_offset =
5549 		    __offsetof(struct ata_identify_log_pages,entries);
5550 		max_entries = softc->valid_iddir_len - entries_offset;
5551 		if ((softc->valid_iddir_len > (entries_offset + 1))
5552 		 && (le64dec(softc->ata_iddir.header) == ATA_IDLOG_REVISION)
5553 		 && (softc->ata_iddir.entry_count > 0)) {
5554 			int num_entries, i;
5555 
5556 			num_entries = softc->ata_iddir.entry_count;
5557 			num_entries = min(num_entries,
5558 			   softc->valid_iddir_len - entries_offset);
5559 			for (i = 0; i < num_entries && i < max_entries; i++) {
5560 				if (softc->ata_iddir.entries[i] ==
5561 				    ATA_IDL_SUP_CAP)
5562 					softc->flags |= DA_FLAG_CAN_ATA_SUPCAP;
5563 				else if (softc->ata_iddir.entries[i] ==
5564 					 ATA_IDL_ZDI)
5565 					softc->flags |= DA_FLAG_CAN_ATA_ZONE;
5566 
5567 				if ((softc->flags & DA_FLAG_CAN_ATA_SUPCAP)
5568 				 && (softc->flags & DA_FLAG_CAN_ATA_ZONE))
5569 					break;
5570 			}
5571 		}
5572 	} else {
5573 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5574 				SF_RETRY_UA|SF_NO_PRINT);
5575 		if (error == ERESTART)
5576 			return;
5577 		else if (error != 0) {
5578 			/*
5579 			 * If we can't get the ATA Identify Data log
5580 			 * directory, then it effectively isn't
5581 			 * supported even if the ATA Log directory
5582 			 * a non-zero number of pages present for
5583 			 * this log.
5584 			 */
5585 			softc->flags &= ~DA_FLAG_CAN_ATA_IDLOG;
5586 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5587 				/* Don't wedge this device's queue */
5588 				cam_release_devq(done_ccb->ccb_h.path,
5589 						 /*relsim_flags*/0,
5590 						 /*reduction*/0,
5591 						 /*timeout*/0,
5592 						 /*getcount_only*/0);
5593 			}
5594 		}
5595 	}
5596 
5597 	free(csio->data_ptr, M_SCSIDA);
5598 
5599 	if ((error == 0) && (softc->flags & DA_FLAG_CAN_ATA_SUPCAP)) {
5600 		softc->state = DA_STATE_PROBE_ATA_SUP;
5601 		xpt_release_ccb(done_ccb);
5602 		xpt_schedule(periph, priority);
5603 		return;
5604 	}
5605 	daprobedone(periph, done_ccb);
5606 	return;
5607 }
5608 
5609 static void
5610 dadone_probeatasup(struct cam_periph *periph, union ccb *done_ccb)
5611 {
5612 	struct da_softc *softc;
5613 	struct ccb_scsiio *csio;
5614 	u_int32_t  priority;
5615 	int error;
5616 
5617 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatasup\n"));
5618 
5619 	softc = (struct da_softc *)periph->softc;
5620 	priority = done_ccb->ccb_h.pinfo.priority;
5621 	csio = &done_ccb->csio;
5622 
5623 	cam_periph_assert(periph, MA_OWNED);
5624 
5625 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5626 		uint32_t valid_len;
5627 		size_t needed_size;
5628 		struct ata_identify_log_sup_cap *sup_cap;
5629 		error = 0;
5630 
5631 		sup_cap = (struct ata_identify_log_sup_cap *)csio->data_ptr;
5632 		valid_len = csio->dxfer_len - csio->resid;
5633 		needed_size = __offsetof(struct ata_identify_log_sup_cap,
5634 		    sup_zac_cap) + 1 + sizeof(sup_cap->sup_zac_cap);
5635 		if (valid_len >= needed_size) {
5636 			uint64_t zoned, zac_cap;
5637 
5638 			zoned = le64dec(sup_cap->zoned_cap);
5639 			if (zoned & ATA_ZONED_VALID) {
5640 				/*
5641 				 * This should have already been
5642 				 * set, because this is also in the
5643 				 * ATA identify data.
5644 				 */
5645 				if ((zoned & ATA_ZONED_MASK) ==
5646 				    ATA_SUPPORT_ZONE_HOST_AWARE)
5647 					softc->zone_mode = DA_ZONE_HOST_AWARE;
5648 				else if ((zoned & ATA_ZONED_MASK) ==
5649 				    ATA_SUPPORT_ZONE_DEV_MANAGED)
5650 					softc->zone_mode =
5651 					    DA_ZONE_DRIVE_MANAGED;
5652 			}
5653 
5654 			zac_cap = le64dec(sup_cap->sup_zac_cap);
5655 			if (zac_cap & ATA_SUP_ZAC_CAP_VALID) {
5656 				if (zac_cap & ATA_REPORT_ZONES_SUP)
5657 					softc->zone_flags |=
5658 					    DA_ZONE_FLAG_RZ_SUP;
5659 				if (zac_cap & ATA_ND_OPEN_ZONE_SUP)
5660 					softc->zone_flags |=
5661 					    DA_ZONE_FLAG_OPEN_SUP;
5662 				if (zac_cap & ATA_ND_CLOSE_ZONE_SUP)
5663 					softc->zone_flags |=
5664 					    DA_ZONE_FLAG_CLOSE_SUP;
5665 				if (zac_cap & ATA_ND_FINISH_ZONE_SUP)
5666 					softc->zone_flags |=
5667 					    DA_ZONE_FLAG_FINISH_SUP;
5668 				if (zac_cap & ATA_ND_RWP_SUP)
5669 					softc->zone_flags |=
5670 					    DA_ZONE_FLAG_RWP_SUP;
5671 			} else {
5672 				/*
5673 				 * This field was introduced in
5674 				 * ACS-4, r08 on April 28th, 2015.
5675 				 * If the drive firmware was written
5676 				 * to an earlier spec, it won't have
5677 				 * the field.  So, assume all
5678 				 * commands are supported.
5679 				 */
5680 				softc->zone_flags |= DA_ZONE_FLAG_SUP_MASK;
5681 			}
5682 		}
5683 	} else {
5684 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5685 				SF_RETRY_UA|SF_NO_PRINT);
5686 		if (error == ERESTART)
5687 			return;
5688 		else if (error != 0) {
5689 			/*
5690 			 * If we can't get the ATA Identify Data
5691 			 * Supported Capabilities page, clear the
5692 			 * flag...
5693 			 */
5694 			softc->flags &= ~DA_FLAG_CAN_ATA_SUPCAP;
5695 			/*
5696 			 * And clear zone capabilities.
5697 			 */
5698 			softc->zone_flags &= ~DA_ZONE_FLAG_SUP_MASK;
5699 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5700 				/* Don't wedge this device's queue */
5701 				cam_release_devq(done_ccb->ccb_h.path,
5702 						 /*relsim_flags*/0,
5703 						 /*reduction*/0,
5704 						 /*timeout*/0,
5705 						 /*getcount_only*/0);
5706 			}
5707 		}
5708 	}
5709 
5710 	free(csio->data_ptr, M_SCSIDA);
5711 
5712 	if ((error == 0) && (softc->flags & DA_FLAG_CAN_ATA_ZONE)) {
5713 		softc->state = DA_STATE_PROBE_ATA_ZONE;
5714 		xpt_release_ccb(done_ccb);
5715 		xpt_schedule(periph, priority);
5716 		return;
5717 	}
5718 	daprobedone(periph, done_ccb);
5719 	return;
5720 }
5721 
5722 static void
5723 dadone_probeatazone(struct cam_periph *periph, union ccb *done_ccb)
5724 {
5725 	struct da_softc *softc;
5726 	struct ccb_scsiio *csio;
5727 	int error;
5728 
5729 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probeatazone\n"));
5730 
5731 	softc = (struct da_softc *)periph->softc;
5732 	csio = &done_ccb->csio;
5733 
5734 	cam_periph_assert(periph, MA_OWNED);
5735 
5736 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5737 		struct ata_zoned_info_log *zi_log;
5738 		uint32_t valid_len;
5739 		size_t needed_size;
5740 
5741 		zi_log = (struct ata_zoned_info_log *)csio->data_ptr;
5742 
5743 		valid_len = csio->dxfer_len - csio->resid;
5744 		needed_size = __offsetof(struct ata_zoned_info_log,
5745 		    version_info) + 1 + sizeof(zi_log->version_info);
5746 		if (valid_len >= needed_size) {
5747 			uint64_t tmpvar;
5748 
5749 			tmpvar = le64dec(zi_log->zoned_cap);
5750 			if (tmpvar & ATA_ZDI_CAP_VALID) {
5751 				if (tmpvar & ATA_ZDI_CAP_URSWRZ)
5752 					softc->zone_flags |=
5753 					    DA_ZONE_FLAG_URSWRZ;
5754 				else
5755 					softc->zone_flags &=
5756 					    ~DA_ZONE_FLAG_URSWRZ;
5757 			}
5758 			tmpvar = le64dec(zi_log->optimal_seq_zones);
5759 			if (tmpvar & ATA_ZDI_OPT_SEQ_VALID) {
5760 				softc->zone_flags |= DA_ZONE_FLAG_OPT_SEQ_SET;
5761 				softc->optimal_seq_zones = (tmpvar &
5762 				    ATA_ZDI_OPT_SEQ_MASK);
5763 			} else {
5764 				softc->zone_flags &= ~DA_ZONE_FLAG_OPT_SEQ_SET;
5765 				softc->optimal_seq_zones = 0;
5766 			}
5767 
5768 			tmpvar =le64dec(zi_log->optimal_nonseq_zones);
5769 			if (tmpvar & ATA_ZDI_OPT_NS_VALID) {
5770 				softc->zone_flags |=
5771 				    DA_ZONE_FLAG_OPT_NONSEQ_SET;
5772 				softc->optimal_nonseq_zones =
5773 				    (tmpvar & ATA_ZDI_OPT_NS_MASK);
5774 			} else {
5775 				softc->zone_flags &=
5776 				    ~DA_ZONE_FLAG_OPT_NONSEQ_SET;
5777 				softc->optimal_nonseq_zones = 0;
5778 			}
5779 
5780 			tmpvar = le64dec(zi_log->max_seq_req_zones);
5781 			if (tmpvar & ATA_ZDI_MAX_SEQ_VALID) {
5782 				softc->zone_flags |= DA_ZONE_FLAG_MAX_SEQ_SET;
5783 				softc->max_seq_zones =
5784 				    (tmpvar & ATA_ZDI_MAX_SEQ_MASK);
5785 			} else {
5786 				softc->zone_flags &= ~DA_ZONE_FLAG_MAX_SEQ_SET;
5787 				softc->max_seq_zones = 0;
5788 			}
5789 		}
5790 	} else {
5791 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5792 				SF_RETRY_UA|SF_NO_PRINT);
5793 		if (error == ERESTART)
5794 			return;
5795 		else if (error != 0) {
5796 			softc->flags &= ~DA_FLAG_CAN_ATA_ZONE;
5797 			softc->flags &= ~DA_ZONE_FLAG_SET_MASK;
5798 
5799 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5800 				/* Don't wedge this device's queue */
5801 				cam_release_devq(done_ccb->ccb_h.path,
5802 						 /*relsim_flags*/0,
5803 						 /*reduction*/0,
5804 						 /*timeout*/0,
5805 						 /*getcount_only*/0);
5806 			}
5807 		}
5808 	}
5809 
5810 	free(csio->data_ptr, M_SCSIDA);
5811 
5812 	daprobedone(periph, done_ccb);
5813 	return;
5814 }
5815 
5816 static void
5817 dadone_probezone(struct cam_periph *periph, union ccb *done_ccb)
5818 {
5819 	struct da_softc *softc;
5820 	struct ccb_scsiio *csio;
5821 	int error;
5822 
5823 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_probezone\n"));
5824 
5825 	softc = (struct da_softc *)periph->softc;
5826 	csio = &done_ccb->csio;
5827 
5828 	cam_periph_assert(periph, MA_OWNED);
5829 
5830 	if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5831 		uint32_t valid_len;
5832 		size_t needed_len;
5833 		struct scsi_vpd_zoned_bdc *zoned_bdc;
5834 
5835 		error = 0;
5836 		zoned_bdc = (struct scsi_vpd_zoned_bdc *)csio->data_ptr;
5837 		valid_len = csio->dxfer_len - csio->resid;
5838 		needed_len = __offsetof(struct scsi_vpd_zoned_bdc,
5839 		    max_seq_req_zones) + 1 +
5840 		    sizeof(zoned_bdc->max_seq_req_zones);
5841 		if ((valid_len >= needed_len)
5842 		 && (scsi_2btoul(zoned_bdc->page_length) >= SVPD_ZBDC_PL)) {
5843 			if (zoned_bdc->flags & SVPD_ZBDC_URSWRZ)
5844 				softc->zone_flags |= DA_ZONE_FLAG_URSWRZ;
5845 			else
5846 				softc->zone_flags &= ~DA_ZONE_FLAG_URSWRZ;
5847 			softc->optimal_seq_zones =
5848 			    scsi_4btoul(zoned_bdc->optimal_seq_zones);
5849 			softc->zone_flags |= DA_ZONE_FLAG_OPT_SEQ_SET;
5850 			softc->optimal_nonseq_zones = scsi_4btoul(
5851 			    zoned_bdc->optimal_nonseq_zones);
5852 			softc->zone_flags |= DA_ZONE_FLAG_OPT_NONSEQ_SET;
5853 			softc->max_seq_zones =
5854 			    scsi_4btoul(zoned_bdc->max_seq_req_zones);
5855 			softc->zone_flags |= DA_ZONE_FLAG_MAX_SEQ_SET;
5856 		}
5857 		/*
5858 		 * All of the zone commands are mandatory for SCSI
5859 		 * devices.
5860 		 *
5861 		 * XXX KDM this is valid as of September 2015.
5862 		 * Re-check this assumption once the SAT spec is
5863 		 * updated to support SCSI ZBC to ATA ZAC mapping.
5864 		 * Since ATA allows zone commands to be reported
5865 		 * as supported or not, this may not necessarily
5866 		 * be true for an ATA device behind a SAT (SCSI to
5867 		 * ATA Translation) layer.
5868 		 */
5869 		softc->zone_flags |= DA_ZONE_FLAG_SUP_MASK;
5870 	} else {
5871 		error = daerror(done_ccb, CAM_RETRY_SELTO,
5872 				SF_RETRY_UA|SF_NO_PRINT);
5873 		if (error == ERESTART)
5874 			return;
5875 		else if (error != 0) {
5876 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5877 				/* Don't wedge this device's queue */
5878 				cam_release_devq(done_ccb->ccb_h.path,
5879 						 /*relsim_flags*/0,
5880 						 /*reduction*/0,
5881 						 /*timeout*/0,
5882 						 /*getcount_only*/0);
5883 			}
5884 		}
5885 	}
5886 
5887 	free(csio->data_ptr, M_SCSIDA);
5888 
5889 	daprobedone(periph, done_ccb);
5890 	return;
5891 }
5892 
5893 static void
5894 dadone_tur(struct cam_periph *periph, union ccb *done_ccb)
5895 {
5896 	struct da_softc *softc;
5897 
5898 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone_tur\n"));
5899 
5900 	softc = (struct da_softc *)periph->softc;
5901 
5902 	cam_periph_assert(periph, MA_OWNED);
5903 
5904 	if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
5905 		if (daerror(done_ccb, CAM_RETRY_SELTO,
5906 		    SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) == ERESTART)
5907 			return;	/* Will complete again, keep reference */
5908 		if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
5909 			cam_release_devq(done_ccb->ccb_h.path,
5910 					 /*relsim_flags*/0,
5911 					 /*reduction*/0,
5912 					 /*timeout*/0,
5913 					 /*getcount_only*/0);
5914 	}
5915 	softc->flags &= ~DA_FLAG_TUR_PENDING;
5916 	xpt_release_ccb(done_ccb);
5917 	da_periph_release_locked(periph, DA_REF_TUR);
5918 	return;
5919 }
5920 
5921 static void
5922 dareprobe(struct cam_periph *periph)
5923 {
5924 	struct da_softc	  *softc;
5925 	int status __diagused;
5926 
5927 	softc = (struct da_softc *)periph->softc;
5928 
5929 	cam_periph_assert(periph, MA_OWNED);
5930 
5931 	/* Probe in progress; don't interfere. */
5932 	if (softc->state != DA_STATE_NORMAL)
5933 		return;
5934 
5935 	status = da_periph_acquire(periph, DA_REF_REPROBE);
5936 	KASSERT(status == 0, ("dareprobe: cam_periph_acquire failed"));
5937 
5938 	softc->state = DA_STATE_PROBE_WP;
5939 	xpt_schedule(periph, CAM_PRIORITY_DEV);
5940 }
5941 
5942 static int
5943 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
5944 {
5945 	struct da_softc	  *softc;
5946 	struct cam_periph *periph;
5947 	int error, error_code, sense_key, asc, ascq;
5948 
5949 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
5950 	if (ccb->csio.bio != NULL)
5951 		biotrack(ccb->csio.bio, __func__);
5952 #endif
5953 
5954 	periph = xpt_path_periph(ccb->ccb_h.path);
5955 	softc = (struct da_softc *)periph->softc;
5956 
5957 	cam_periph_assert(periph, MA_OWNED);
5958 
5959 	/*
5960 	 * Automatically detect devices that do not support
5961 	 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
5962 	 */
5963 	error = 0;
5964 	if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
5965 		error = cmd6workaround(ccb);
5966 	} else if (scsi_extract_sense_ccb(ccb,
5967 	    &error_code, &sense_key, &asc, &ascq)) {
5968 		if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
5969 			error = cmd6workaround(ccb);
5970 		/*
5971 		 * If the target replied with CAPACITY DATA HAS CHANGED UA,
5972 		 * query the capacity and notify upper layers.
5973 		 */
5974 		else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5975 		    asc == 0x2A && ascq == 0x09) {
5976 			xpt_print(periph->path, "Capacity data has changed\n");
5977 			softc->flags &= ~DA_FLAG_PROBED;
5978 			dareprobe(periph);
5979 			sense_flags |= SF_NO_PRINT;
5980 		} else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5981 		    asc == 0x28 && ascq == 0x00) {
5982 			softc->flags &= ~DA_FLAG_PROBED;
5983 			disk_media_changed(softc->disk, M_NOWAIT);
5984 		} else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5985 		    asc == 0x3F && ascq == 0x03) {
5986 			xpt_print(periph->path, "INQUIRY data has changed\n");
5987 			softc->flags &= ~DA_FLAG_PROBED;
5988 			dareprobe(periph);
5989 			sense_flags |= SF_NO_PRINT;
5990 		} else if (sense_key == SSD_KEY_NOT_READY &&
5991 		    asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
5992 			softc->flags |= DA_FLAG_PACK_INVALID;
5993 			disk_media_gone(softc->disk, M_NOWAIT);
5994 		}
5995 	}
5996 	if (error == ERESTART)
5997 		return (ERESTART);
5998 
5999 #ifdef CAM_IO_STATS
6000 	switch (ccb->ccb_h.status & CAM_STATUS_MASK) {
6001 	case CAM_CMD_TIMEOUT:
6002 		softc->timeouts++;
6003 		break;
6004 	case CAM_REQ_ABORTED:
6005 	case CAM_REQ_CMP_ERR:
6006 	case CAM_REQ_TERMIO:
6007 	case CAM_UNREC_HBA_ERROR:
6008 	case CAM_DATA_RUN_ERR:
6009 		softc->errors++;
6010 		break;
6011 	default:
6012 		break;
6013 	}
6014 #endif
6015 
6016 	/*
6017 	 * XXX
6018 	 * Until we have a better way of doing pack validation,
6019 	 * don't treat UAs as errors.
6020 	 */
6021 	sense_flags |= SF_RETRY_UA;
6022 
6023 	if (softc->quirks & DA_Q_RETRY_BUSY)
6024 		sense_flags |= SF_RETRY_BUSY;
6025 	return(cam_periph_error(ccb, cam_flags, sense_flags));
6026 }
6027 
6028 static void
6029 damediapoll(void *arg)
6030 {
6031 	struct cam_periph *periph = arg;
6032 	struct da_softc *softc = periph->softc;
6033 
6034 	if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR) &&
6035 	    (softc->flags & DA_FLAG_TUR_PENDING) == 0 &&
6036 	    softc->state == DA_STATE_NORMAL &&
6037 	    LIST_EMPTY(&softc->pending_ccbs)) {
6038 		if (da_periph_acquire(periph, DA_REF_TUR) == 0) {
6039 			cam_iosched_set_work_flags(softc->cam_iosched, DA_WORK_TUR);
6040 			daschedule(periph);
6041 		}
6042 	}
6043 	/* Queue us up again */
6044 	if (da_poll_period != 0)
6045 		callout_schedule(&softc->mediapoll_c, da_poll_period * hz);
6046 }
6047 
6048 static void
6049 daprevent(struct cam_periph *periph, int action)
6050 {
6051 	struct	da_softc *softc;
6052 	union	ccb *ccb;
6053 	int	error;
6054 
6055 	cam_periph_assert(periph, MA_OWNED);
6056 	softc = (struct da_softc *)periph->softc;
6057 
6058 	if (((action == PR_ALLOW)
6059 	  && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
6060 	 || ((action == PR_PREVENT)
6061 	  && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
6062 		return;
6063 	}
6064 
6065 	ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
6066 
6067 	scsi_prevent(&ccb->csio,
6068 		     /*retries*/1,
6069 		     /*cbcfp*/NULL,
6070 		     MSG_SIMPLE_Q_TAG,
6071 		     action,
6072 		     SSD_FULL_SIZE,
6073 		     5000);
6074 
6075 	error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
6076 	    SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat);
6077 
6078 	if (error == 0) {
6079 		if (action == PR_ALLOW)
6080 			softc->flags &= ~DA_FLAG_PACK_LOCKED;
6081 		else
6082 			softc->flags |= DA_FLAG_PACK_LOCKED;
6083 	}
6084 
6085 	xpt_release_ccb(ccb);
6086 }
6087 
6088 static void
6089 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
6090 	  struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
6091 {
6092 	struct ccb_calc_geometry ccg;
6093 	struct da_softc *softc;
6094 	struct disk_params *dp;
6095 	u_int lbppbe, lalba;
6096 	int error;
6097 
6098 	softc = (struct da_softc *)periph->softc;
6099 
6100 	dp = &softc->params;
6101 	dp->secsize = block_len;
6102 	dp->sectors = maxsector + 1;
6103 	if (rcaplong != NULL) {
6104 		lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
6105 		lalba = scsi_2btoul(rcaplong->lalba_lbp);
6106 		lalba &= SRC16_LALBA_A;
6107 		if (rcaplong->prot & SRC16_PROT_EN)
6108 			softc->p_type = ((rcaplong->prot & SRC16_P_TYPE) >>
6109 			    SRC16_P_TYPE_SHIFT) + 1;
6110 		else
6111 			softc->p_type = 0;
6112 	} else {
6113 		lbppbe = 0;
6114 		lalba = 0;
6115 		softc->p_type = 0;
6116 	}
6117 
6118 	if (lbppbe > 0) {
6119 		dp->stripesize = block_len << lbppbe;
6120 		dp->stripeoffset = (dp->stripesize - block_len * lalba) %
6121 		    dp->stripesize;
6122 	} else if (softc->quirks & DA_Q_4K) {
6123 		dp->stripesize = 4096;
6124 		dp->stripeoffset = 0;
6125 	} else if (softc->unmap_gran != 0) {
6126 		dp->stripesize = block_len * softc->unmap_gran;
6127 		dp->stripeoffset = (dp->stripesize - block_len *
6128 		    softc->unmap_gran_align) % dp->stripesize;
6129 	} else {
6130 		dp->stripesize = 0;
6131 		dp->stripeoffset = 0;
6132 	}
6133 	/*
6134 	 * Have the controller provide us with a geometry
6135 	 * for this disk.  The only time the geometry
6136 	 * matters is when we boot and the controller
6137 	 * is the only one knowledgeable enough to come
6138 	 * up with something that will make this a bootable
6139 	 * device.
6140 	 */
6141 	memset(&ccg, 0, sizeof(ccg));
6142 	xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
6143 	ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
6144 	ccg.block_size = dp->secsize;
6145 	ccg.volume_size = dp->sectors;
6146 	ccg.heads = 0;
6147 	ccg.secs_per_track = 0;
6148 	ccg.cylinders = 0;
6149 	xpt_action((union ccb*)&ccg);
6150 	if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
6151 		/*
6152 		 * We don't know what went wrong here- but just pick
6153 		 * a geometry so we don't have nasty things like divide
6154 		 * by zero.
6155 		 */
6156 		dp->heads = 255;
6157 		dp->secs_per_track = 255;
6158 		dp->cylinders = dp->sectors / (255 * 255);
6159 		if (dp->cylinders == 0) {
6160 			dp->cylinders = 1;
6161 		}
6162 	} else {
6163 		dp->heads = ccg.heads;
6164 		dp->secs_per_track = ccg.secs_per_track;
6165 		dp->cylinders = ccg.cylinders;
6166 	}
6167 
6168 	/*
6169 	 * If the user supplied a read capacity buffer, and if it is
6170 	 * different than the previous buffer, update the data in the EDT.
6171 	 * If it's the same, we don't bother.  This avoids sending an
6172 	 * update every time someone opens this device.
6173 	 */
6174 	if ((rcaplong != NULL)
6175 	 && (bcmp(rcaplong, &softc->rcaplong,
6176 		  min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
6177 		struct ccb_dev_advinfo cdai;
6178 
6179 		memset(&cdai, 0, sizeof(cdai));
6180 		xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
6181 		cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
6182 		cdai.buftype = CDAI_TYPE_RCAPLONG;
6183 		cdai.flags = CDAI_FLAG_STORE;
6184 		cdai.bufsiz = rcap_len;
6185 		cdai.buf = (uint8_t *)rcaplong;
6186 		xpt_action((union ccb *)&cdai);
6187 		if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
6188 			cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
6189 		if (cdai.ccb_h.status != CAM_REQ_CMP) {
6190 			xpt_print(periph->path, "%s: failed to set read "
6191 				  "capacity advinfo\n", __func__);
6192 			/* Use cam_error_print() to decode the status */
6193 			cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
6194 					CAM_EPF_ALL);
6195 		} else {
6196 			bcopy(rcaplong, &softc->rcaplong,
6197 			      min(sizeof(softc->rcaplong), rcap_len));
6198 		}
6199 	}
6200 
6201 	softc->disk->d_sectorsize = softc->params.secsize;
6202 	softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
6203 	softc->disk->d_stripesize = softc->params.stripesize;
6204 	softc->disk->d_stripeoffset = softc->params.stripeoffset;
6205 	/* XXX: these are not actually "firmware" values, so they may be wrong */
6206 	softc->disk->d_fwsectors = softc->params.secs_per_track;
6207 	softc->disk->d_fwheads = softc->params.heads;
6208 	softc->disk->d_devstat->block_size = softc->params.secsize;
6209 	softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
6210 
6211 	error = disk_resize(softc->disk, M_NOWAIT);
6212 	if (error != 0)
6213 		xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error);
6214 }
6215 
6216 static void
6217 dasendorderedtag(void *arg)
6218 {
6219 	struct cam_periph *periph = arg;
6220 	struct da_softc *softc = periph->softc;
6221 
6222 	cam_periph_assert(periph, MA_OWNED);
6223 	if (da_send_ordered) {
6224 		if (!LIST_EMPTY(&softc->pending_ccbs)) {
6225 			if ((softc->flags & DA_FLAG_WAS_OTAG) == 0)
6226 				softc->flags |= DA_FLAG_NEED_OTAG;
6227 			softc->flags &= ~DA_FLAG_WAS_OTAG;
6228 		}
6229 	}
6230 
6231 	/* Queue us up again */
6232 	callout_reset(&softc->sendordered_c,
6233 	    (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
6234 	    dasendorderedtag, periph);
6235 }
6236 
6237 /*
6238  * Step through all DA peripheral drivers, and if the device is still open,
6239  * sync the disk cache to physical media.
6240  */
6241 static void
6242 dashutdown(void * arg, int howto)
6243 {
6244 	struct cam_periph *periph;
6245 	struct da_softc *softc;
6246 	union ccb *ccb;
6247 	int error;
6248 
6249 	if ((howto & RB_NOSYNC) != 0)
6250 		return;
6251 
6252 	CAM_PERIPH_FOREACH(periph, &dadriver) {
6253 		softc = (struct da_softc *)periph->softc;
6254 		if (SCHEDULER_STOPPED()) {
6255 			/* If we paniced with the lock held, do not recurse. */
6256 			if (!cam_periph_owned(periph) &&
6257 			    (softc->flags & DA_FLAG_OPEN)) {
6258 				dadump(softc->disk, NULL, 0, 0, 0);
6259 			}
6260 			continue;
6261 		}
6262 		cam_periph_lock(periph);
6263 
6264 		/*
6265 		 * We only sync the cache if the drive is still open, and
6266 		 * if the drive is capable of it..
6267 		 */
6268 		if (((softc->flags & DA_FLAG_OPEN) == 0)
6269 		 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
6270 			cam_periph_unlock(periph);
6271 			continue;
6272 		}
6273 
6274 		ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
6275 		scsi_synchronize_cache(&ccb->csio,
6276 				       /*retries*/0,
6277 				       /*cbfcnp*/NULL,
6278 				       MSG_SIMPLE_Q_TAG,
6279 				       /*begin_lba*/0, /* whole disk */
6280 				       /*lb_count*/0,
6281 				       SSD_FULL_SIZE,
6282 				       60 * 60 * 1000);
6283 
6284 		error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
6285 		    /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
6286 		    softc->disk->d_devstat);
6287 		if (error != 0)
6288 			xpt_print(periph->path, "Synchronize cache failed\n");
6289 		xpt_release_ccb(ccb);
6290 		cam_periph_unlock(periph);
6291 	}
6292 }
6293 
6294 #else /* !_KERNEL */
6295 
6296 /*
6297  * XXX These are only left out of the kernel build to silence warnings.  If,
6298  * for some reason these functions are used in the kernel, the ifdefs should
6299  * be moved so they are included both in the kernel and userland.
6300  */
6301 void
6302 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
6303 		 void (*cbfcnp)(struct cam_periph *, union ccb *),
6304 		 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
6305 		 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
6306 		 u_int32_t timeout)
6307 {
6308 	struct scsi_format_unit *scsi_cmd;
6309 
6310 	scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
6311 	scsi_cmd->opcode = FORMAT_UNIT;
6312 	scsi_cmd->byte2 = byte2;
6313 	scsi_ulto2b(ileave, scsi_cmd->interleave);
6314 
6315 	cam_fill_csio(csio,
6316 		      retries,
6317 		      cbfcnp,
6318 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6319 		      tag_action,
6320 		      data_ptr,
6321 		      dxfer_len,
6322 		      sense_len,
6323 		      sizeof(*scsi_cmd),
6324 		      timeout);
6325 }
6326 
6327 void
6328 scsi_read_defects(struct ccb_scsiio *csio, uint32_t retries,
6329 		  void (*cbfcnp)(struct cam_periph *, union ccb *),
6330 		  uint8_t tag_action, uint8_t list_format,
6331 		  uint32_t addr_desc_index, uint8_t *data_ptr,
6332 		  uint32_t dxfer_len, int minimum_cmd_size,
6333 		  uint8_t sense_len, uint32_t timeout)
6334 {
6335 	uint8_t cdb_len;
6336 
6337 	/*
6338 	 * These conditions allow using the 10 byte command.  Otherwise we
6339 	 * need to use the 12 byte command.
6340 	 */
6341 	if ((minimum_cmd_size <= 10)
6342 	 && (addr_desc_index == 0)
6343 	 && (dxfer_len <= SRDD10_MAX_LENGTH)) {
6344 		struct scsi_read_defect_data_10 *cdb10;
6345 
6346 		cdb10 = (struct scsi_read_defect_data_10 *)
6347 			&csio->cdb_io.cdb_bytes;
6348 
6349 		cdb_len = sizeof(*cdb10);
6350 		bzero(cdb10, cdb_len);
6351                 cdb10->opcode = READ_DEFECT_DATA_10;
6352                 cdb10->format = list_format;
6353                 scsi_ulto2b(dxfer_len, cdb10->alloc_length);
6354 	} else {
6355 		struct scsi_read_defect_data_12 *cdb12;
6356 
6357 		cdb12 = (struct scsi_read_defect_data_12 *)
6358 			&csio->cdb_io.cdb_bytes;
6359 
6360 		cdb_len = sizeof(*cdb12);
6361 		bzero(cdb12, cdb_len);
6362                 cdb12->opcode = READ_DEFECT_DATA_12;
6363                 cdb12->format = list_format;
6364                 scsi_ulto4b(dxfer_len, cdb12->alloc_length);
6365 		scsi_ulto4b(addr_desc_index, cdb12->address_descriptor_index);
6366 	}
6367 
6368 	cam_fill_csio(csio,
6369 		      retries,
6370 		      cbfcnp,
6371 		      /*flags*/ CAM_DIR_IN,
6372 		      tag_action,
6373 		      data_ptr,
6374 		      dxfer_len,
6375 		      sense_len,
6376 		      cdb_len,
6377 		      timeout);
6378 }
6379 
6380 void
6381 scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
6382 	      void (*cbfcnp)(struct cam_periph *, union ccb *),
6383 	      u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
6384 	      u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
6385 	      u_int32_t timeout)
6386 {
6387 	struct scsi_sanitize *scsi_cmd;
6388 
6389 	scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes;
6390 	scsi_cmd->opcode = SANITIZE;
6391 	scsi_cmd->byte2 = byte2;
6392 	scsi_cmd->control = control;
6393 	scsi_ulto2b(dxfer_len, scsi_cmd->length);
6394 
6395 	cam_fill_csio(csio,
6396 		      retries,
6397 		      cbfcnp,
6398 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6399 		      tag_action,
6400 		      data_ptr,
6401 		      dxfer_len,
6402 		      sense_len,
6403 		      sizeof(*scsi_cmd),
6404 		      timeout);
6405 }
6406 
6407 #endif /* _KERNEL */
6408 
6409 void
6410 scsi_zbc_out(struct ccb_scsiio *csio, uint32_t retries,
6411 	     void (*cbfcnp)(struct cam_periph *, union ccb *),
6412 	     uint8_t tag_action, uint8_t service_action, uint64_t zone_id,
6413 	     uint8_t zone_flags, uint8_t *data_ptr, uint32_t dxfer_len,
6414 	     uint8_t sense_len, uint32_t timeout)
6415 {
6416 	struct scsi_zbc_out *scsi_cmd;
6417 
6418 	scsi_cmd = (struct scsi_zbc_out *)&csio->cdb_io.cdb_bytes;
6419 	scsi_cmd->opcode = ZBC_OUT;
6420 	scsi_cmd->service_action = service_action;
6421 	scsi_u64to8b(zone_id, scsi_cmd->zone_id);
6422 	scsi_cmd->zone_flags = zone_flags;
6423 
6424 	cam_fill_csio(csio,
6425 		      retries,
6426 		      cbfcnp,
6427 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6428 		      tag_action,
6429 		      data_ptr,
6430 		      dxfer_len,
6431 		      sense_len,
6432 		      sizeof(*scsi_cmd),
6433 		      timeout);
6434 }
6435 
6436 void
6437 scsi_zbc_in(struct ccb_scsiio *csio, uint32_t retries,
6438 	    void (*cbfcnp)(struct cam_periph *, union ccb *),
6439 	    uint8_t tag_action, uint8_t service_action, uint64_t zone_start_lba,
6440 	    uint8_t zone_options, uint8_t *data_ptr, uint32_t dxfer_len,
6441 	    uint8_t sense_len, uint32_t timeout)
6442 {
6443 	struct scsi_zbc_in *scsi_cmd;
6444 
6445 	scsi_cmd = (struct scsi_zbc_in *)&csio->cdb_io.cdb_bytes;
6446 	scsi_cmd->opcode = ZBC_IN;
6447 	scsi_cmd->service_action = service_action;
6448 	scsi_ulto4b(dxfer_len, scsi_cmd->length);
6449 	scsi_u64to8b(zone_start_lba, scsi_cmd->zone_start_lba);
6450 	scsi_cmd->zone_options = zone_options;
6451 
6452 	cam_fill_csio(csio,
6453 		      retries,
6454 		      cbfcnp,
6455 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_IN : CAM_DIR_NONE,
6456 		      tag_action,
6457 		      data_ptr,
6458 		      dxfer_len,
6459 		      sense_len,
6460 		      sizeof(*scsi_cmd),
6461 		      timeout);
6462 
6463 }
6464 
6465 int
6466 scsi_ata_zac_mgmt_out(struct ccb_scsiio *csio, uint32_t retries,
6467 		      void (*cbfcnp)(struct cam_periph *, union ccb *),
6468 		      uint8_t tag_action, int use_ncq,
6469 		      uint8_t zm_action, uint64_t zone_id, uint8_t zone_flags,
6470 		      uint8_t *data_ptr, uint32_t dxfer_len,
6471 		      uint8_t *cdb_storage, size_t cdb_storage_len,
6472 		      uint8_t sense_len, uint32_t timeout)
6473 {
6474 	uint8_t command_out, protocol, ata_flags;
6475 	uint16_t features_out;
6476 	uint32_t sectors_out, auxiliary;
6477 	int retval;
6478 
6479 	retval = 0;
6480 
6481 	if (use_ncq == 0) {
6482 		command_out = ATA_ZAC_MANAGEMENT_OUT;
6483 		features_out = (zm_action & 0xf) | (zone_flags << 8);
6484 		ata_flags = AP_FLAG_BYT_BLOK_BLOCKS;
6485 		if (dxfer_len == 0) {
6486 			protocol = AP_PROTO_NON_DATA;
6487 			ata_flags |= AP_FLAG_TLEN_NO_DATA;
6488 			sectors_out = 0;
6489 		} else {
6490 			protocol = AP_PROTO_DMA;
6491 			ata_flags |= AP_FLAG_TLEN_SECT_CNT |
6492 				     AP_FLAG_TDIR_TO_DEV;
6493 			sectors_out = ((dxfer_len >> 9) & 0xffff);
6494 		}
6495 		auxiliary = 0;
6496 	} else {
6497 		ata_flags = AP_FLAG_BYT_BLOK_BLOCKS;
6498 		if (dxfer_len == 0) {
6499 			command_out = ATA_NCQ_NON_DATA;
6500 			features_out = ATA_NCQ_ZAC_MGMT_OUT;
6501 			/*
6502 			 * We're assuming the SCSI to ATA translation layer
6503 			 * will set the NCQ tag number in the tag field.
6504 			 * That isn't clear from the SAT-4 spec (as of rev 05).
6505 			 */
6506 			sectors_out = 0;
6507 			ata_flags |= AP_FLAG_TLEN_NO_DATA;
6508 		} else {
6509 			command_out = ATA_SEND_FPDMA_QUEUED;
6510 			/*
6511 			 * Note that we're defaulting to normal priority,
6512 			 * and assuming that the SCSI to ATA translation
6513 			 * layer will insert the NCQ tag number in the tag
6514 			 * field.  That isn't clear in the SAT-4 spec (as
6515 			 * of rev 05).
6516 			 */
6517 			sectors_out = ATA_SFPDMA_ZAC_MGMT_OUT << 8;
6518 
6519 			ata_flags |= AP_FLAG_TLEN_FEAT |
6520 				     AP_FLAG_TDIR_TO_DEV;
6521 
6522 			/*
6523 			 * For SEND FPDMA QUEUED, the transfer length is
6524 			 * encoded in the FEATURE register, and 0 means
6525 			 * that 65536 512 byte blocks are to be tranferred.
6526 			 * In practice, it seems unlikely that we'll see
6527 			 * a transfer that large, and it may confuse the
6528 			 * the SAT layer, because generally that means that
6529 			 * 0 bytes should be transferred.
6530 			 */
6531 			if (dxfer_len == (65536 * 512)) {
6532 				features_out = 0;
6533 			} else if (dxfer_len <= (65535 * 512)) {
6534 				features_out = ((dxfer_len >> 9) & 0xffff);
6535 			} else {
6536 				/* The transfer is too big. */
6537 				retval = 1;
6538 				goto bailout;
6539 			}
6540 		}
6541 
6542 		auxiliary = (zm_action & 0xf) | (zone_flags << 8);
6543 		protocol = AP_PROTO_FPDMA;
6544 	}
6545 
6546 	protocol |= AP_EXTEND;
6547 
6548 	retval = scsi_ata_pass(csio,
6549 	    retries,
6550 	    cbfcnp,
6551 	    /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
6552 	    tag_action,
6553 	    /*protocol*/ protocol,
6554 	    /*ata_flags*/ ata_flags,
6555 	    /*features*/ features_out,
6556 	    /*sector_count*/ sectors_out,
6557 	    /*lba*/ zone_id,
6558 	    /*command*/ command_out,
6559 	    /*device*/ 0,
6560 	    /*icc*/ 0,
6561 	    /*auxiliary*/ auxiliary,
6562 	    /*control*/ 0,
6563 	    /*data_ptr*/ data_ptr,
6564 	    /*dxfer_len*/ dxfer_len,
6565 	    /*cdb_storage*/ cdb_storage,
6566 	    /*cdb_storage_len*/ cdb_storage_len,
6567 	    /*minimum_cmd_size*/ 0,
6568 	    /*sense_len*/ SSD_FULL_SIZE,
6569 	    /*timeout*/ timeout);
6570 
6571 bailout:
6572 
6573 	return (retval);
6574 }
6575 
6576 int
6577 scsi_ata_zac_mgmt_in(struct ccb_scsiio *csio, uint32_t retries,
6578 		     void (*cbfcnp)(struct cam_periph *, union ccb *),
6579 		     uint8_t tag_action, int use_ncq,
6580 		     uint8_t zm_action, uint64_t zone_id, uint8_t zone_flags,
6581 		     uint8_t *data_ptr, uint32_t dxfer_len,
6582 		     uint8_t *cdb_storage, size_t cdb_storage_len,
6583 		     uint8_t sense_len, uint32_t timeout)
6584 {
6585 	uint8_t command_out, protocol;
6586 	uint16_t features_out, sectors_out;
6587 	uint32_t auxiliary;
6588 	int ata_flags;
6589 	int retval;
6590 
6591 	retval = 0;
6592 	ata_flags = AP_FLAG_TDIR_FROM_DEV | AP_FLAG_BYT_BLOK_BLOCKS;
6593 
6594 	if (use_ncq == 0) {
6595 		command_out = ATA_ZAC_MANAGEMENT_IN;
6596 		/* XXX KDM put a macro here */
6597 		features_out = (zm_action & 0xf) | (zone_flags << 8);
6598 		sectors_out = dxfer_len >> 9; /* XXX KDM macro */
6599 		protocol = AP_PROTO_DMA;
6600 		ata_flags |= AP_FLAG_TLEN_SECT_CNT;
6601 		auxiliary = 0;
6602 	} else {
6603 		ata_flags |= AP_FLAG_TLEN_FEAT;
6604 
6605 		command_out = ATA_RECV_FPDMA_QUEUED;
6606 		sectors_out = ATA_RFPDMA_ZAC_MGMT_IN << 8;
6607 
6608 		/*
6609 		 * For RECEIVE FPDMA QUEUED, the transfer length is
6610 		 * encoded in the FEATURE register, and 0 means
6611 		 * that 65536 512 byte blocks are to be tranferred.
6612 		 * In practice, it seems unlikely that we'll see
6613 		 * a transfer that large, and it may confuse the
6614 		 * the SAT layer, because generally that means that
6615 		 * 0 bytes should be transferred.
6616 		 */
6617 		if (dxfer_len == (65536 * 512)) {
6618 			features_out = 0;
6619 		} else if (dxfer_len <= (65535 * 512)) {
6620 			features_out = ((dxfer_len >> 9) & 0xffff);
6621 		} else {
6622 			/* The transfer is too big. */
6623 			retval = 1;
6624 			goto bailout;
6625 		}
6626 		auxiliary = (zm_action & 0xf) | (zone_flags << 8),
6627 		protocol = AP_PROTO_FPDMA;
6628 	}
6629 
6630 	protocol |= AP_EXTEND;
6631 
6632 	retval = scsi_ata_pass(csio,
6633 	    retries,
6634 	    cbfcnp,
6635 	    /*flags*/ CAM_DIR_IN,
6636 	    tag_action,
6637 	    /*protocol*/ protocol,
6638 	    /*ata_flags*/ ata_flags,
6639 	    /*features*/ features_out,
6640 	    /*sector_count*/ sectors_out,
6641 	    /*lba*/ zone_id,
6642 	    /*command*/ command_out,
6643 	    /*device*/ 0,
6644 	    /*icc*/ 0,
6645 	    /*auxiliary*/ auxiliary,
6646 	    /*control*/ 0,
6647 	    /*data_ptr*/ data_ptr,
6648 	    /*dxfer_len*/ (dxfer_len >> 9) * 512, /* XXX KDM */
6649 	    /*cdb_storage*/ cdb_storage,
6650 	    /*cdb_storage_len*/ cdb_storage_len,
6651 	    /*minimum_cmd_size*/ 0,
6652 	    /*sense_len*/ SSD_FULL_SIZE,
6653 	    /*timeout*/ timeout);
6654 
6655 bailout:
6656 	return (retval);
6657 }
6658