xref: /freebsd/sys/cam/scsi/scsi_da.c (revision d8a0fe102c0cfdfcd5b818f850eff09d8536c9bc)
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 <sys/systm.h>
38 #include <sys/kernel.h>
39 #include <sys/bio.h>
40 #include <sys/sysctl.h>
41 #include <sys/taskqueue.h>
42 #include <sys/lock.h>
43 #include <sys/mutex.h>
44 #include <sys/conf.h>
45 #include <sys/devicestat.h>
46 #include <sys/eventhandler.h>
47 #include <sys/malloc.h>
48 #include <sys/cons.h>
49 #include <sys/endian.h>
50 #include <sys/proc.h>
51 #include <sys/sbuf.h>
52 #include <geom/geom.h>
53 #include <geom/geom_disk.h>
54 #endif /* _KERNEL */
55 
56 #ifndef _KERNEL
57 #include <stdio.h>
58 #include <string.h>
59 #endif /* _KERNEL */
60 
61 #include <cam/cam.h>
62 #include <cam/cam_ccb.h>
63 #include <cam/cam_periph.h>
64 #include <cam/cam_xpt_periph.h>
65 #include <cam/cam_sim.h>
66 #include <cam/cam_iosched.h>
67 
68 #include <cam/scsi/scsi_message.h>
69 #include <cam/scsi/scsi_da.h>
70 
71 #ifdef _KERNEL
72 /*
73  * Note that there are probe ordering dependencies here.  The order isn't
74  * controlled by this enumeration, but by explicit state transitions in
75  * dastart() and dadone().  Here are some of the dependencies:
76  *
77  * 1. RC should come first, before RC16, unless there is evidence that RC16
78  *    is supported.
79  * 2. BDC needs to come before any of the ATA probes, or the ZONE probe.
80  * 3. The ATA probes should go in this order:
81  *    ATA -> LOGDIR -> IDDIR -> SUP -> ATA_ZONE
82  */
83 typedef enum {
84 	DA_STATE_PROBE_RC,
85 	DA_STATE_PROBE_RC16,
86 	DA_STATE_PROBE_LBP,
87 	DA_STATE_PROBE_BLK_LIMITS,
88 	DA_STATE_PROBE_BDC,
89 	DA_STATE_PROBE_ATA,
90 	DA_STATE_PROBE_ATA_LOGDIR,
91 	DA_STATE_PROBE_ATA_IDDIR,
92 	DA_STATE_PROBE_ATA_SUP,
93 	DA_STATE_PROBE_ATA_ZONE,
94 	DA_STATE_PROBE_ZONE,
95 	DA_STATE_NORMAL
96 } da_state;
97 
98 typedef enum {
99 	DA_FLAG_PACK_INVALID	= 0x000001,
100 	DA_FLAG_NEW_PACK	= 0x000002,
101 	DA_FLAG_PACK_LOCKED	= 0x000004,
102 	DA_FLAG_PACK_REMOVABLE	= 0x000008,
103 	DA_FLAG_NEED_OTAG	= 0x000020,
104 	DA_FLAG_WAS_OTAG	= 0x000040,
105 	DA_FLAG_RETRY_UA	= 0x000080,
106 	DA_FLAG_OPEN		= 0x000100,
107 	DA_FLAG_SCTX_INIT	= 0x000200,
108 	DA_FLAG_CAN_RC16	= 0x000400,
109 	DA_FLAG_PROBED		= 0x000800,
110 	DA_FLAG_DIRTY		= 0x001000,
111 	DA_FLAG_ANNOUNCED	= 0x002000,
112 	DA_FLAG_CAN_ATA_DMA	= 0x004000,
113 	DA_FLAG_CAN_ATA_LOG	= 0x008000,
114 	DA_FLAG_CAN_ATA_IDLOG	= 0x010000,
115 	DA_FLAG_CAN_ATA_SUPCAP	= 0x020000,
116 	DA_FLAG_CAN_ATA_ZONE	= 0x040000
117 } da_flags;
118 
119 typedef enum {
120 	DA_Q_NONE		= 0x00,
121 	DA_Q_NO_SYNC_CACHE	= 0x01,
122 	DA_Q_NO_6_BYTE		= 0x02,
123 	DA_Q_NO_PREVENT		= 0x04,
124 	DA_Q_4K			= 0x08,
125 	DA_Q_NO_RC16		= 0x10,
126 	DA_Q_NO_UNMAP		= 0x20,
127 	DA_Q_RETRY_BUSY		= 0x40,
128 	DA_Q_SMR_DM		= 0x80,
129 	DA_Q_STRICT_UNMAP	= 0x100
130 } da_quirks;
131 
132 #define DA_Q_BIT_STRING		\
133 	"\020"			\
134 	"\001NO_SYNC_CACHE"	\
135 	"\002NO_6_BYTE"		\
136 	"\003NO_PREVENT"	\
137 	"\0044K"		\
138 	"\005NO_RC16"		\
139 	"\006NO_UNMAP"		\
140 	"\007RETRY_BUSY"	\
141 	"\010SMR_DM"		\
142 	"\011STRICT_UNMAP"
143 
144 typedef enum {
145 	DA_CCB_PROBE_RC		= 0x01,
146 	DA_CCB_PROBE_RC16	= 0x02,
147 	DA_CCB_PROBE_LBP	= 0x03,
148 	DA_CCB_PROBE_BLK_LIMITS	= 0x04,
149 	DA_CCB_PROBE_BDC	= 0x05,
150 	DA_CCB_PROBE_ATA	= 0x06,
151 	DA_CCB_BUFFER_IO	= 0x07,
152 	DA_CCB_DUMP		= 0x0A,
153 	DA_CCB_DELETE		= 0x0B,
154  	DA_CCB_TUR		= 0x0C,
155 	DA_CCB_PROBE_ZONE	= 0x0D,
156 	DA_CCB_PROBE_ATA_LOGDIR	= 0x0E,
157 	DA_CCB_PROBE_ATA_IDDIR	= 0x0F,
158 	DA_CCB_PROBE_ATA_SUP	= 0x10,
159 	DA_CCB_PROBE_ATA_ZONE	= 0x11,
160 	DA_CCB_TYPE_MASK	= 0x1F,
161 	DA_CCB_RETRY_UA		= 0x20
162 } da_ccb_state;
163 
164 /*
165  * Order here is important for method choice
166  *
167  * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to
168  * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes
169  * using ATA_TRIM than the corresponding UNMAP results for a real world mysql
170  * import taking 5mins.
171  *
172  */
173 typedef enum {
174 	DA_DELETE_NONE,
175 	DA_DELETE_DISABLE,
176 	DA_DELETE_ATA_TRIM,
177 	DA_DELETE_UNMAP,
178 	DA_DELETE_WS16,
179 	DA_DELETE_WS10,
180 	DA_DELETE_ZERO,
181 	DA_DELETE_MIN = DA_DELETE_ATA_TRIM,
182 	DA_DELETE_MAX = DA_DELETE_ZERO
183 } da_delete_methods;
184 
185 /*
186  * For SCSI, host managed drives show up as a separate device type.  For
187  * ATA, host managed drives also have a different device signature.
188  * XXX KDM figure out the ATA host managed signature.
189  */
190 typedef enum {
191 	DA_ZONE_NONE		= 0x00,
192 	DA_ZONE_DRIVE_MANAGED	= 0x01,
193 	DA_ZONE_HOST_AWARE	= 0x02,
194 	DA_ZONE_HOST_MANAGED	= 0x03
195 } da_zone_mode;
196 
197 /*
198  * We distinguish between these interface cases in addition to the drive type:
199  * o ATA drive behind a SCSI translation layer that knows about ZBC/ZAC
200  * o ATA drive behind a SCSI translation layer that does not know about
201  *   ZBC/ZAC, and so needs to be managed via ATA passthrough.  In this
202  *   case, we would need to share the ATA code with the ada(4) driver.
203  * o SCSI drive.
204  */
205 typedef enum {
206 	DA_ZONE_IF_SCSI,
207 	DA_ZONE_IF_ATA_PASS,
208 	DA_ZONE_IF_ATA_SAT,
209 } da_zone_interface;
210 
211 typedef enum {
212 	DA_ZONE_FLAG_RZ_SUP		= 0x0001,
213 	DA_ZONE_FLAG_OPEN_SUP		= 0x0002,
214 	DA_ZONE_FLAG_CLOSE_SUP		= 0x0004,
215 	DA_ZONE_FLAG_FINISH_SUP		= 0x0008,
216 	DA_ZONE_FLAG_RWP_SUP		= 0x0010,
217 	DA_ZONE_FLAG_SUP_MASK		= (DA_ZONE_FLAG_RZ_SUP |
218 					   DA_ZONE_FLAG_OPEN_SUP |
219 					   DA_ZONE_FLAG_CLOSE_SUP |
220 					   DA_ZONE_FLAG_FINISH_SUP |
221 					   DA_ZONE_FLAG_RWP_SUP),
222 	DA_ZONE_FLAG_URSWRZ		= 0x0020,
223 	DA_ZONE_FLAG_OPT_SEQ_SET	= 0x0040,
224 	DA_ZONE_FLAG_OPT_NONSEQ_SET	= 0x0080,
225 	DA_ZONE_FLAG_MAX_SEQ_SET	= 0x0100,
226 	DA_ZONE_FLAG_SET_MASK		= (DA_ZONE_FLAG_OPT_SEQ_SET |
227 					   DA_ZONE_FLAG_OPT_NONSEQ_SET |
228 					   DA_ZONE_FLAG_MAX_SEQ_SET)
229 } da_zone_flags;
230 
231 static struct da_zone_desc {
232 	da_zone_flags value;
233 	const char *desc;
234 } da_zone_desc_table[] = {
235 	{DA_ZONE_FLAG_RZ_SUP, "Report Zones" },
236 	{DA_ZONE_FLAG_OPEN_SUP, "Open" },
237 	{DA_ZONE_FLAG_CLOSE_SUP, "Close" },
238 	{DA_ZONE_FLAG_FINISH_SUP, "Finish" },
239 	{DA_ZONE_FLAG_RWP_SUP, "Reset Write Pointer" },
240 };
241 
242 typedef void da_delete_func_t (struct cam_periph *periph, union ccb *ccb,
243 			      struct bio *bp);
244 static da_delete_func_t da_delete_trim;
245 static da_delete_func_t da_delete_unmap;
246 static da_delete_func_t da_delete_ws;
247 
248 static const void * da_delete_functions[] = {
249 	NULL,
250 	NULL,
251 	da_delete_trim,
252 	da_delete_unmap,
253 	da_delete_ws,
254 	da_delete_ws,
255 	da_delete_ws
256 };
257 
258 static const char *da_delete_method_names[] =
259     { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" };
260 static const char *da_delete_method_desc[] =
261     { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP",
262       "WRITE SAME(10) with UNMAP", "ZERO" };
263 
264 /* Offsets into our private area for storing information */
265 #define ccb_state	ppriv_field0
266 #define ccb_bp		ppriv_ptr1
267 
268 struct disk_params {
269 	u_int8_t  heads;
270 	u_int32_t cylinders;
271 	u_int8_t  secs_per_track;
272 	u_int32_t secsize;	/* Number of bytes/sector */
273 	u_int64_t sectors;	/* total number sectors */
274 	u_int     stripesize;
275 	u_int     stripeoffset;
276 };
277 
278 #define UNMAP_RANGE_MAX		0xffffffff
279 #define UNMAP_HEAD_SIZE		8
280 #define UNMAP_RANGE_SIZE	16
281 #define UNMAP_MAX_RANGES	2048 /* Protocol Max is 4095 */
282 #define UNMAP_BUF_SIZE		((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \
283 				UNMAP_HEAD_SIZE)
284 
285 #define WS10_MAX_BLKS		0xffff
286 #define WS16_MAX_BLKS		0xffffffff
287 #define ATA_TRIM_MAX_RANGES	((UNMAP_BUF_SIZE / \
288 	(ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE)
289 
290 #define DA_WORK_TUR		(1 << 16)
291 
292 struct da_softc {
293 	struct   cam_iosched_softc *cam_iosched;
294 	struct	 bio_queue_head delete_run_queue;
295 	LIST_HEAD(, ccb_hdr) pending_ccbs;
296 	int	 refcount;		/* Active xpt_action() calls */
297 	da_state state;
298 	da_flags flags;
299 	da_quirks quirks;
300 	int	 minimum_cmd_size;
301 	int	 error_inject;
302 	int	 trim_max_ranges;
303 	int	 delete_available;	/* Delete methods possibly available */
304 	da_zone_mode 			zone_mode;
305 	da_zone_interface		zone_interface;
306 	da_zone_flags			zone_flags;
307 	struct ata_gp_log_dir		ata_logdir;
308 	int				valid_logdir_len;
309 	struct ata_identify_log_pages	ata_iddir;
310 	int				valid_iddir_len;
311 	uint64_t			optimal_seq_zones;
312 	uint64_t			optimal_nonseq_zones;
313 	uint64_t			max_seq_zones;
314 	u_int	 		maxio;
315 	uint32_t		unmap_max_ranges;
316 	uint32_t		unmap_max_lba; /* Max LBAs in UNMAP req */
317 	uint32_t		unmap_gran;
318 	uint32_t		unmap_gran_align;
319 	uint64_t		ws_max_blks;
320 	da_delete_methods	delete_method_pref;
321 	da_delete_methods	delete_method;
322 	da_delete_func_t	*delete_func;
323 	int			unmappedio;
324 	int			rotating;
325 	struct	 disk_params params;
326 	struct	 disk *disk;
327 	union	 ccb saved_ccb;
328 	struct task		sysctl_task;
329 	struct sysctl_ctx_list	sysctl_ctx;
330 	struct sysctl_oid	*sysctl_tree;
331 	struct callout		sendordered_c;
332 	uint64_t wwpn;
333 	uint8_t	 unmap_buf[UNMAP_BUF_SIZE];
334 	struct scsi_read_capacity_data_long rcaplong;
335 	struct callout		mediapoll_c;
336 #ifdef CAM_IO_STATS
337 	struct sysctl_ctx_list	sysctl_stats_ctx;
338 	struct sysctl_oid	*sysctl_stats_tree;
339 	u_int	errors;
340 	u_int	timeouts;
341 	u_int	invalidations;
342 #endif
343 #define DA_ANNOUNCETMP_SZ 80
344 	char			announce_temp[DA_ANNOUNCETMP_SZ];
345 #define DA_ANNOUNCE_SZ 400
346 	char			announcebuf[DA_ANNOUNCE_SZ];
347 };
348 
349 #define dadeleteflag(softc, delete_method, enable)			\
350 	if (enable) {							\
351 		softc->delete_available |= (1 << delete_method);	\
352 	} else {							\
353 		softc->delete_available &= ~(1 << delete_method);	\
354 	}
355 
356 struct da_quirk_entry {
357 	struct scsi_inquiry_pattern inq_pat;
358 	da_quirks quirks;
359 };
360 
361 static const char quantum[] = "QUANTUM";
362 static const char microp[] = "MICROP";
363 
364 static struct da_quirk_entry da_quirk_table[] =
365 {
366 	/* SPI, FC devices */
367 	{
368 		/*
369 		 * Fujitsu M2513A MO drives.
370 		 * Tested devices: M2513A2 firmware versions 1200 & 1300.
371 		 * (dip switch selects whether T_DIRECT or T_OPTICAL device)
372 		 * Reported by: W.Scholten <whs@xs4all.nl>
373 		 */
374 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
375 		/*quirks*/ DA_Q_NO_SYNC_CACHE
376 	},
377 	{
378 		/* See above. */
379 		{T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
380 		/*quirks*/ DA_Q_NO_SYNC_CACHE
381 	},
382 	{
383 		/*
384 		 * This particular Fujitsu drive doesn't like the
385 		 * synchronize cache command.
386 		 * Reported by: Tom Jackson <toj@gorilla.net>
387 		 */
388 		{T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
389 		/*quirks*/ DA_Q_NO_SYNC_CACHE
390 	},
391 	{
392 		/*
393 		 * This drive doesn't like the synchronize cache command
394 		 * either.  Reported by: Matthew Jacob <mjacob@feral.com>
395 		 * in NetBSD PR kern/6027, August 24, 1998.
396 		 */
397 		{T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
398 		/*quirks*/ DA_Q_NO_SYNC_CACHE
399 	},
400 	{
401 		/*
402 		 * This drive doesn't like the synchronize cache command
403 		 * either.  Reported by: Hellmuth Michaelis (hm@kts.org)
404 		 * (PR 8882).
405 		 */
406 		{T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
407 		/*quirks*/ DA_Q_NO_SYNC_CACHE
408 	},
409 	{
410 		/*
411 		 * Doesn't like the synchronize cache command.
412 		 * Reported by: Blaz Zupan <blaz@gold.amis.net>
413 		 */
414 		{T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
415 		/*quirks*/ DA_Q_NO_SYNC_CACHE
416 	},
417 	{
418 		/*
419 		 * Doesn't like the synchronize cache command.
420 		 * Reported by: Blaz Zupan <blaz@gold.amis.net>
421 		 */
422 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
423 		/*quirks*/ DA_Q_NO_SYNC_CACHE
424 	},
425 	{
426 		/*
427 		 * Doesn't like the synchronize cache command.
428 		 */
429 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
430 		/*quirks*/ DA_Q_NO_SYNC_CACHE
431 	},
432 	{
433 		/*
434 		 * Doesn't like the synchronize cache command.
435 		 * Reported by: walter@pelissero.de
436 		 */
437 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"},
438 		/*quirks*/ DA_Q_NO_SYNC_CACHE
439 	},
440 	{
441 		/*
442 		 * Doesn't work correctly with 6 byte reads/writes.
443 		 * Returns illegal request, and points to byte 9 of the
444 		 * 6-byte CDB.
445 		 * Reported by:  Adam McDougall <bsdx@spawnet.com>
446 		 */
447 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
448 		/*quirks*/ DA_Q_NO_6_BYTE
449 	},
450 	{
451 		/* See above. */
452 		{T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
453 		/*quirks*/ DA_Q_NO_6_BYTE
454 	},
455 	{
456 		/*
457 		 * Doesn't like the synchronize cache command.
458 		 * Reported by: walter@pelissero.de
459 		 */
460 		{T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"},
461 		/*quirks*/ DA_Q_NO_SYNC_CACHE
462 	},
463 	{
464 		/*
465 		 * The CISS RAID controllers do not support SYNC_CACHE
466 		 */
467 		{T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
468 		/*quirks*/ DA_Q_NO_SYNC_CACHE
469 	},
470 	{
471 		/*
472 		 * The STEC SSDs sometimes hang on UNMAP.
473 		 */
474 		{T_DIRECT, SIP_MEDIA_FIXED, "STEC", "*", "*"},
475 		/*quirks*/ DA_Q_NO_UNMAP
476 	},
477 	{
478 		/*
479 		 * VMware returns BUSY status when storage has transient
480 		 * connectivity problems, so better wait.
481 		 * Also VMware returns odd errors on misaligned UNMAPs.
482 		 */
483 		{T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*"},
484 		/*quirks*/ DA_Q_RETRY_BUSY | DA_Q_STRICT_UNMAP
485 	},
486 	/* USB mass storage devices supported by umass(4) */
487 	{
488 		/*
489 		 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
490 		 * PR: kern/51675
491 		 */
492 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
493 		/*quirks*/ DA_Q_NO_SYNC_CACHE
494 	},
495 	{
496 		/*
497 		 * Power Quotient Int. (PQI) USB flash key
498 		 * PR: kern/53067
499 		 */
500 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*",
501 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
502 	},
503  	{
504  		/*
505  		 * Creative Nomad MUVO mp3 player (USB)
506  		 * PR: kern/53094
507  		 */
508  		{T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
509  		/*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
510  	},
511 	{
512 		/*
513 		 * Jungsoft NEXDISK USB flash key
514 		 * PR: kern/54737
515 		 */
516 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
517 		/*quirks*/ DA_Q_NO_SYNC_CACHE
518 	},
519 	{
520 		/*
521 		 * FreeDik USB Mini Data Drive
522 		 * PR: kern/54786
523 		 */
524 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive",
525 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
526 	},
527 	{
528 		/*
529 		 * Sigmatel USB Flash MP3 Player
530 		 * PR: kern/57046
531 		 */
532 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"},
533 		/*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
534 	},
535 	{
536 		/*
537 		 * Neuros USB Digital Audio Computer
538 		 * PR: kern/63645
539 		 */
540 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.",
541 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
542 	},
543 	{
544 		/*
545 		 * SEAGRAND NP-900 MP3 Player
546 		 * PR: kern/64563
547 		 */
548 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"},
549 		/*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
550 	},
551 	{
552 		/*
553 		 * iRiver iFP MP3 player (with UMS Firmware)
554 		 * PR: kern/54881, i386/63941, kern/66124
555 		 */
556 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
557 		/*quirks*/ DA_Q_NO_SYNC_CACHE
558  	},
559 	{
560 		/*
561 		 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
562 		 * PR: kern/70158
563 		 */
564 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"},
565 		/*quirks*/ DA_Q_NO_SYNC_CACHE
566 	},
567 	{
568 		/*
569 		 * ZICPlay USB MP3 Player with FM
570 		 * PR: kern/75057
571 		 */
572 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"},
573 		/*quirks*/ DA_Q_NO_SYNC_CACHE
574 	},
575 	{
576 		/*
577 		 * TEAC USB floppy mechanisms
578 		 */
579 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"},
580 		/*quirks*/ DA_Q_NO_SYNC_CACHE
581 	},
582 	{
583 		/*
584 		 * Kingston DataTraveler II+ USB Pen-Drive.
585 		 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org>
586 		 */
587 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+",
588 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
589 	},
590 	{
591 		/*
592 		 * USB DISK Pro PMAP
593 		 * Reported by: jhs
594 		 * PR: usb/96381
595 		 */
596 		{T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"},
597 		/*quirks*/ DA_Q_NO_SYNC_CACHE
598 	},
599 	{
600 		/*
601 		 * Motorola E398 Mobile Phone (TransFlash memory card).
602 		 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl>
603 		 * PR: usb/89889
604 		 */
605 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone",
606 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
607 	},
608 	{
609 		/*
610 		 * Qware BeatZkey! Pro
611 		 * PR: usb/79164
612 		 */
613 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE",
614 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
615 	},
616 	{
617 		/*
618 		 * Time DPA20B 1GB MP3 Player
619 		 * PR: usb/81846
620 		 */
621 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*",
622 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
623 	},
624 	{
625 		/*
626 		 * Samsung USB key 128Mb
627 		 * PR: usb/90081
628 		 */
629 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb",
630 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
631 	},
632 	{
633 		/*
634 		 * Kingston DataTraveler 2.0 USB Flash memory.
635 		 * PR: usb/89196
636 		 */
637 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0",
638 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
639 	},
640 	{
641 		/*
642 		 * Creative MUVO Slim mp3 player (USB)
643 		 * PR: usb/86131
644 		 */
645 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim",
646 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
647 		},
648 	{
649 		/*
650 		 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3)
651 		 * PR: usb/80487
652 		 */
653 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK",
654 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
655 	},
656 	{
657 		/*
658 		 * SanDisk Micro Cruzer 128MB
659 		 * PR: usb/75970
660 		 */
661 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer",
662 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
663 	},
664 	{
665 		/*
666 		 * TOSHIBA TransMemory USB sticks
667 		 * PR: kern/94660
668 		 */
669 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory",
670 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
671 	},
672 	{
673 		/*
674 		 * PNY USB 3.0 Flash Drives
675 		*/
676 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "PNY", "USB 3.0 FD*",
677 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_RC16
678 	},
679 	{
680 		/*
681 		 * PNY USB Flash keys
682 		 * PR: usb/75578, usb/72344, usb/65436
683 		 */
684 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*",
685 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
686 	},
687 	{
688 		/*
689 		 * Genesys GL3224
690 		 */
691 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
692 		"120?"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_4K | DA_Q_NO_RC16
693 	},
694 	{
695 		/*
696 		 * Genesys 6-in-1 Card Reader
697 		 * PR: usb/94647
698 		 */
699 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
700 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
701 	},
702 	{
703 		/*
704 		 * Rekam Digital CAMERA
705 		 * PR: usb/98713
706 		 */
707 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*",
708 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
709 	},
710 	{
711 		/*
712 		 * iRiver H10 MP3 player
713 		 * PR: usb/102547
714 		 */
715 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*",
716 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
717 	},
718 	{
719 		/*
720 		 * iRiver U10 MP3 player
721 		 * PR: usb/92306
722 		 */
723 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*",
724 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
725 	},
726 	{
727 		/*
728 		 * X-Micro Flash Disk
729 		 * PR: usb/96901
730 		 */
731 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk",
732 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
733 	},
734 	{
735 		/*
736 		 * EasyMP3 EM732X USB 2.0 Flash MP3 Player
737 		 * PR: usb/96546
738 		 */
739 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*",
740 		"1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
741 	},
742 	{
743 		/*
744 		 * Denver MP3 player
745 		 * PR: usb/107101
746 		 */
747 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER",
748 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
749 	},
750 	{
751 		/*
752 		 * Philips USB Key Audio KEY013
753 		 * PR: usb/68412
754 		 */
755 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"},
756 		/*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
757 	},
758 	{
759 		/*
760 		 * JNC MP3 Player
761 		 * PR: usb/94439
762 		 */
763 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*",
764 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
765 	},
766 	{
767 		/*
768 		 * SAMSUNG MP0402H
769 		 * PR: usb/108427
770 		 */
771 		{T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"},
772 		/*quirks*/ DA_Q_NO_SYNC_CACHE
773 	},
774 	{
775 		/*
776 		 * I/O Magic USB flash - Giga Bank
777 		 * PR: usb/108810
778 		 */
779 		{T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"},
780 		/*quirks*/ DA_Q_NO_SYNC_CACHE
781 	},
782 	{
783 		/*
784 		 * JoyFly 128mb USB Flash Drive
785 		 * PR: 96133
786 		 */
787 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*",
788 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
789 	},
790 	{
791 		/*
792 		 * ChipsBnk usb stick
793 		 * PR: 103702
794 		 */
795 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*",
796 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
797 	},
798 	{
799 		/*
800 		 * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A
801 		 * PR: 129858
802 		 */
803 		{T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*",
804 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
805 	},
806 	{
807 		/*
808 		 * Samsung YP-U3 mp3-player
809 		 * PR: 125398
810 		 */
811 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3",
812 		 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
813 	},
814 	{
815 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*",
816 		 "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
817 	},
818 	{
819 		/*
820 		 * Sony Cyber-Shot DSC cameras
821 		 * PR: usb/137035
822 		 */
823 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
824 		/*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
825 	},
826 	{
827 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3",
828 		 "1.00"}, /*quirks*/ DA_Q_NO_PREVENT
829 	},
830 	{
831 		/* At least several Transcent USB sticks lie on RC16. */
832 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "JetFlash", "Transcend*",
833 		 "*"}, /*quirks*/ DA_Q_NO_RC16
834 	},
835 	{
836 		/*
837 		 * I-O Data USB Flash Disk
838 		 * PR: usb/211716
839 		 */
840 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "I-O DATA", "USB Flash Disk*",
841 		 "*"}, /*quirks*/ DA_Q_NO_RC16
842 	},
843 	/* ATA/SATA devices over SAS/USB/... */
844 	{
845 		/* Hitachi Advanced Format (4k) drives */
846 		{ T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" },
847 		/*quirks*/DA_Q_4K
848 	},
849 	{
850 		/* Micron Advanced Format (4k) drives */
851 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Micron 5100 MTFDDAK*", "*" },
852 		/*quirks*/DA_Q_4K
853 	},
854 	{
855 		/* Samsung Advanced Format (4k) drives */
856 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" },
857 		/*quirks*/DA_Q_4K
858 	},
859 	{
860 		/* Samsung Advanced Format (4k) drives */
861 		{ T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" },
862 		/*quirks*/DA_Q_4K
863 	},
864 	{
865 		/* Samsung Advanced Format (4k) drives */
866 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" },
867 		/*quirks*/DA_Q_4K
868 	},
869 	{
870 		/* Samsung Advanced Format (4k) drives */
871 		{ T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" },
872 		/*quirks*/DA_Q_4K
873 	},
874 	{
875 		/* Seagate Barracuda Green Advanced Format (4k) drives */
876 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" },
877 		/*quirks*/DA_Q_4K
878 	},
879 	{
880 		/* Seagate Barracuda Green Advanced Format (4k) drives */
881 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" },
882 		/*quirks*/DA_Q_4K
883 	},
884 	{
885 		/* Seagate Barracuda Green Advanced Format (4k) drives */
886 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" },
887 		/*quirks*/DA_Q_4K
888 	},
889 	{
890 		/* Seagate Barracuda Green Advanced Format (4k) drives */
891 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" },
892 		/*quirks*/DA_Q_4K
893 	},
894 	{
895 		/* Seagate Barracuda Green Advanced Format (4k) drives */
896 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" },
897 		/*quirks*/DA_Q_4K
898 	},
899 	{
900 		/* Seagate Barracuda Green Advanced Format (4k) drives */
901 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" },
902 		/*quirks*/DA_Q_4K
903 	},
904 	{
905 		/* Seagate Momentus Advanced Format (4k) drives */
906 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" },
907 		/*quirks*/DA_Q_4K
908 	},
909 	{
910 		/* Seagate Momentus Advanced Format (4k) drives */
911 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" },
912 		/*quirks*/DA_Q_4K
913 	},
914 	{
915 		/* Seagate Momentus Advanced Format (4k) drives */
916 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" },
917 		/*quirks*/DA_Q_4K
918 	},
919 	{
920 		/* Seagate Momentus Advanced Format (4k) drives */
921 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" },
922 		/*quirks*/DA_Q_4K
923 	},
924 	{
925 		/* Seagate Momentus Advanced Format (4k) drives */
926 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" },
927 		/*quirks*/DA_Q_4K
928 	},
929 	{
930 		/* Seagate Momentus Advanced Format (4k) drives */
931 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" },
932 		/*quirks*/DA_Q_4K
933 	},
934 	{
935 		/* Seagate Momentus Advanced Format (4k) drives */
936 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" },
937 		/*quirks*/DA_Q_4K
938 	},
939 	{
940 		/* Seagate Momentus Advanced Format (4k) drives */
941 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" },
942 		/*quirks*/DA_Q_4K
943 	},
944 	{
945 		/* Seagate Momentus Advanced Format (4k) drives */
946 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" },
947 		/*quirks*/DA_Q_4K
948 	},
949 	{
950 		/* Seagate Momentus Advanced Format (4k) drives */
951 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" },
952 		/*quirks*/DA_Q_4K
953 	},
954 	{
955 		/* Seagate Momentus Advanced Format (4k) drives */
956 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" },
957 		/*quirks*/DA_Q_4K
958 	},
959 	{
960 		/* Seagate Momentus Advanced Format (4k) drives */
961 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" },
962 		/*quirks*/DA_Q_4K
963 	},
964 	{
965 		/* Seagate Momentus Advanced Format (4k) drives */
966 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" },
967 		/*quirks*/DA_Q_4K
968 	},
969 	{
970 		/* Seagate Momentus Advanced Format (4k) drives */
971 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" },
972 		/*quirks*/DA_Q_4K
973 	},
974 	{
975 		/* Seagate Momentus Thin Advanced Format (4k) drives */
976 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" },
977 		/*quirks*/DA_Q_4K
978 	},
979 	{
980 		/* Seagate Momentus Thin Advanced Format (4k) drives */
981 		{ T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" },
982 		/*quirks*/DA_Q_4K
983 	},
984 	{
985 		/* WDC Caviar Green Advanced Format (4k) drives */
986 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" },
987 		/*quirks*/DA_Q_4K
988 	},
989 	{
990 		/* WDC Caviar Green Advanced Format (4k) drives */
991 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" },
992 		/*quirks*/DA_Q_4K
993 	},
994 	{
995 		/* WDC Caviar Green Advanced Format (4k) drives */
996 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" },
997 		/*quirks*/DA_Q_4K
998 	},
999 	{
1000 		/* WDC Caviar Green Advanced Format (4k) drives */
1001 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" },
1002 		/*quirks*/DA_Q_4K
1003 	},
1004 	{
1005 		/* WDC Caviar Green Advanced Format (4k) drives */
1006 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" },
1007 		/*quirks*/DA_Q_4K
1008 	},
1009 	{
1010 		/* WDC Caviar Green Advanced Format (4k) drives */
1011 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" },
1012 		/*quirks*/DA_Q_4K
1013 	},
1014 	{
1015 		/* WDC Caviar Green Advanced Format (4k) drives */
1016 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" },
1017 		/*quirks*/DA_Q_4K
1018 	},
1019 	{
1020 		/* WDC Caviar Green Advanced Format (4k) drives */
1021 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" },
1022 		/*quirks*/DA_Q_4K
1023 	},
1024 	{
1025 		/* WDC Scorpio Black Advanced Format (4k) drives */
1026 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" },
1027 		/*quirks*/DA_Q_4K
1028 	},
1029 	{
1030 		/* WDC Scorpio Black Advanced Format (4k) drives */
1031 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" },
1032 		/*quirks*/DA_Q_4K
1033 	},
1034 	{
1035 		/* WDC Scorpio Black Advanced Format (4k) drives */
1036 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" },
1037 		/*quirks*/DA_Q_4K
1038 	},
1039 	{
1040 		/* WDC Scorpio Black Advanced Format (4k) drives */
1041 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" },
1042 		/*quirks*/DA_Q_4K
1043 	},
1044 	{
1045 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1046 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" },
1047 		/*quirks*/DA_Q_4K
1048 	},
1049 	{
1050 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1051 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" },
1052 		/*quirks*/DA_Q_4K
1053 	},
1054 	{
1055 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1056 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" },
1057 		/*quirks*/DA_Q_4K
1058 	},
1059 	{
1060 		/* WDC Scorpio Blue Advanced Format (4k) drives */
1061 		{ T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" },
1062 		/*quirks*/DA_Q_4K
1063 	},
1064 	{
1065 		/*
1066 		 * Olympus FE-210 camera
1067 		 */
1068 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*",
1069 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1070 	},
1071 	{
1072 		/*
1073 		 * LG UP3S MP3 player
1074 		 */
1075 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S",
1076 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1077 	},
1078 	{
1079 		/*
1080 		 * Laser MP3-2GA13 MP3 player
1081 		 */
1082 		{T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk",
1083 		"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1084 	},
1085 	{
1086 		/*
1087 		 * LaCie external 250GB Hard drive des by Porsche
1088 		 * Submitted by: Ben Stuyts <ben@altesco.nl>
1089 		 * PR: 121474
1090 		 */
1091 		{T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"},
1092 		/*quirks*/ DA_Q_NO_SYNC_CACHE
1093 	},
1094 	/* SATA SSDs */
1095 	{
1096 		/*
1097 		 * Corsair Force 2 SSDs
1098 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1099 		 */
1100 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair CSSD-F*", "*" },
1101 		/*quirks*/DA_Q_4K
1102 	},
1103 	{
1104 		/*
1105 		 * Corsair Force 3 SSDs
1106 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1107 		 */
1108 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force 3*", "*" },
1109 		/*quirks*/DA_Q_4K
1110 	},
1111         {
1112 		/*
1113 		 * Corsair Neutron GTX SSDs
1114 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1115 		 */
1116 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" },
1117 		/*quirks*/DA_Q_4K
1118 	},
1119 	{
1120 		/*
1121 		 * Corsair Force GT & GS SSDs
1122 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1123 		 */
1124 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force G*", "*" },
1125 		/*quirks*/DA_Q_4K
1126 	},
1127 	{
1128 		/*
1129 		 * Crucial M4 SSDs
1130 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1131 		 */
1132 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "M4-CT???M4SSD2*", "*" },
1133 		/*quirks*/DA_Q_4K
1134 	},
1135 	{
1136 		/*
1137 		 * Crucial RealSSD C300 SSDs
1138 		 * 4k optimised
1139 		 */
1140 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "C300-CTFDDAC???MAG*",
1141 		"*" }, /*quirks*/DA_Q_4K
1142 	},
1143 	{
1144 		/*
1145 		 * Intel 320 Series SSDs
1146 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1147 		 */
1148 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2CW*", "*" },
1149 		/*quirks*/DA_Q_4K
1150 	},
1151 	{
1152 		/*
1153 		 * Intel 330 Series SSDs
1154 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1155 		 */
1156 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2CT*", "*" },
1157 		/*quirks*/DA_Q_4K
1158 	},
1159 	{
1160 		/*
1161 		 * Intel 510 Series SSDs
1162 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1163 		 */
1164 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2MH*", "*" },
1165 		/*quirks*/DA_Q_4K
1166 	},
1167 	{
1168 		/*
1169 		 * Intel 520 Series SSDs
1170 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1171 		 */
1172 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BW*", "*" },
1173 		/*quirks*/DA_Q_4K
1174 	},
1175 	{
1176 		/*
1177 		 * Intel S3610 Series SSDs
1178 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1179 		 */
1180 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BX*", "*" },
1181 		/*quirks*/DA_Q_4K
1182 	},
1183 	{
1184 		/*
1185 		 * Intel X25-M Series SSDs
1186 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1187 		 */
1188 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2M*", "*" },
1189 		/*quirks*/DA_Q_4K
1190 	},
1191 	{
1192 		/*
1193 		 * Kingston E100 Series SSDs
1194 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1195 		 */
1196 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SE100S3*", "*" },
1197 		/*quirks*/DA_Q_4K
1198 	},
1199 	{
1200 		/*
1201 		 * Kingston HyperX 3k SSDs
1202 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1203 		 */
1204 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SH103S3*", "*" },
1205 		/*quirks*/DA_Q_4K
1206 	},
1207 	{
1208 		/*
1209 		 * Marvell SSDs (entry taken from OpenSolaris)
1210 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1211 		 */
1212 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MARVELL SD88SA02*", "*" },
1213 		/*quirks*/DA_Q_4K
1214 	},
1215 	{
1216 		/*
1217 		 * OCZ Agility 2 SSDs
1218 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1219 		 */
1220 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" },
1221 		/*quirks*/DA_Q_4K
1222 	},
1223 	{
1224 		/*
1225 		 * OCZ Agility 3 SSDs
1226 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1227 		 */
1228 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-AGILITY3*", "*" },
1229 		/*quirks*/DA_Q_4K
1230 	},
1231 	{
1232 		/*
1233 		 * OCZ Deneva R Series SSDs
1234 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1235 		 */
1236 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "DENRSTE251M45*", "*" },
1237 		/*quirks*/DA_Q_4K
1238 	},
1239 	{
1240 		/*
1241 		 * OCZ Vertex 2 SSDs (inc pro series)
1242 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1243 		 */
1244 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ?VERTEX2*", "*" },
1245 		/*quirks*/DA_Q_4K
1246 	},
1247 	{
1248 		/*
1249 		 * OCZ Vertex 3 SSDs
1250 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1251 		 */
1252 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX3*", "*" },
1253 		/*quirks*/DA_Q_4K
1254 	},
1255 	{
1256 		/*
1257 		 * OCZ Vertex 4 SSDs
1258 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1259 		 */
1260 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX4*", "*" },
1261 		/*quirks*/DA_Q_4K
1262 	},
1263 	{
1264 		/*
1265 		 * Samsung 750 Series SSDs
1266 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1267 		 */
1268 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 750*", "*" },
1269 		/*quirks*/DA_Q_4K
1270 	},
1271 	{
1272 		/*
1273 		 * Samsung 830 Series SSDs
1274 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1275 		 */
1276 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG SSD 830 Series*", "*" },
1277 		/*quirks*/DA_Q_4K
1278 	},
1279 	{
1280 		/*
1281 		 * Samsung 840 SSDs
1282 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1283 		 */
1284 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 840*", "*" },
1285 		/*quirks*/DA_Q_4K
1286 	},
1287 	{
1288 		/*
1289 		 * Samsung 845 SSDs
1290 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1291 		 */
1292 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 845*", "*" },
1293 		/*quirks*/DA_Q_4K
1294 	},
1295 	{
1296 		/*
1297 		 * Samsung 850 SSDs
1298 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1299 		 */
1300 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 850*", "*" },
1301 		/*quirks*/DA_Q_4K
1302 	},
1303 	{
1304 		/*
1305 		 * Samsung 843T Series SSDs (MZ7WD*)
1306 		 * Samsung PM851 Series SSDs (MZ7TE*)
1307 		 * Samsung PM853T Series SSDs (MZ7GE*)
1308 		 * Samsung SM863 Series SSDs (MZ7KM*)
1309 		 * 4k optimised
1310 		 */
1311 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG MZ7*", "*" },
1312 		/*quirks*/DA_Q_4K
1313 	},
1314 	{
1315 		/*
1316 		 * Same as for SAMSUNG MZ7* but enable the quirks for SSD
1317 		 * starting with MZ7* too
1318 		 */
1319 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MZ7*", "*" },
1320 		/*quirks*/DA_Q_4K
1321 	},
1322 	{
1323 		/*
1324 		 * SuperTalent TeraDrive CT SSDs
1325 		 * 4k optimised & trim only works in 4k requests + 4k aligned
1326 		 */
1327 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" },
1328 		/*quirks*/DA_Q_4K
1329 	},
1330 	{
1331 		/*
1332 		 * XceedIOPS SATA SSDs
1333 		 * 4k optimised
1334 		 */
1335 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" },
1336 		/*quirks*/DA_Q_4K
1337 	},
1338 	{
1339 		/*
1340 		 * Hama Innostor USB-Stick
1341 		 */
1342 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "Innostor", "Innostor*", "*" },
1343 		/*quirks*/DA_Q_NO_RC16
1344 	},
1345 	{
1346 		/*
1347 		 * Seagate Lamarr 8TB Shingled Magnetic Recording (SMR)
1348 		 * Drive Managed SATA hard drive.  This drive doesn't report
1349 		 * in firmware that it is a drive managed SMR drive.
1350 		 */
1351 		{ T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST8000AS000[23]*", "*" },
1352 		/*quirks*/DA_Q_SMR_DM
1353 	},
1354 	{
1355 		/*
1356 		 * MX-ES USB Drive by Mach Xtreme
1357 		 */
1358 		{ T_DIRECT, SIP_MEDIA_REMOVABLE, "MX", "MXUB3*", "*"},
1359 		/*quirks*/DA_Q_NO_RC16
1360 	},
1361 };
1362 
1363 static	disk_strategy_t	dastrategy;
1364 static	dumper_t	dadump;
1365 static	periph_init_t	dainit;
1366 static	void		daasync(void *callback_arg, u_int32_t code,
1367 				struct cam_path *path, void *arg);
1368 static	void		dasysctlinit(void *context, int pending);
1369 static	int		dasysctlsofttimeout(SYSCTL_HANDLER_ARGS);
1370 static	int		dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
1371 static	int		dadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
1372 static	int		dazonemodesysctl(SYSCTL_HANDLER_ARGS);
1373 static	int		dazonesupsysctl(SYSCTL_HANDLER_ARGS);
1374 static	int		dadeletemaxsysctl(SYSCTL_HANDLER_ARGS);
1375 static	void		dadeletemethodset(struct da_softc *softc,
1376 					  da_delete_methods delete_method);
1377 static	off_t		dadeletemaxsize(struct da_softc *softc,
1378 					da_delete_methods delete_method);
1379 static	void		dadeletemethodchoose(struct da_softc *softc,
1380 					     da_delete_methods default_method);
1381 static	void		daprobedone(struct cam_periph *periph, union ccb *ccb);
1382 
1383 static	periph_ctor_t	daregister;
1384 static	periph_dtor_t	dacleanup;
1385 static	periph_start_t	dastart;
1386 static	periph_oninv_t	daoninvalidate;
1387 static	void		dazonedone(struct cam_periph *periph, union ccb *ccb);
1388 static	void		dadone(struct cam_periph *periph,
1389 			       union ccb *done_ccb);
1390 static  int		daerror(union ccb *ccb, u_int32_t cam_flags,
1391 				u_int32_t sense_flags);
1392 static void		daprevent(struct cam_periph *periph, int action);
1393 static void		dareprobe(struct cam_periph *periph);
1394 static void		dasetgeom(struct cam_periph *periph, uint32_t block_len,
1395 				  uint64_t maxsector,
1396 				  struct scsi_read_capacity_data_long *rcaplong,
1397 				  size_t rcap_size);
1398 static timeout_t	dasendorderedtag;
1399 static void		dashutdown(void *arg, int howto);
1400 static timeout_t	damediapoll;
1401 
1402 #ifndef	DA_DEFAULT_POLL_PERIOD
1403 #define	DA_DEFAULT_POLL_PERIOD	3
1404 #endif
1405 
1406 #ifndef DA_DEFAULT_TIMEOUT
1407 #define DA_DEFAULT_TIMEOUT 60	/* Timeout in seconds */
1408 #endif
1409 
1410 #ifndef DA_DEFAULT_SOFTTIMEOUT
1411 #define DA_DEFAULT_SOFTTIMEOUT	0
1412 #endif
1413 
1414 #ifndef	DA_DEFAULT_RETRY
1415 #define	DA_DEFAULT_RETRY	4
1416 #endif
1417 
1418 #ifndef	DA_DEFAULT_SEND_ORDERED
1419 #define	DA_DEFAULT_SEND_ORDERED	1
1420 #endif
1421 
1422 static int da_poll_period = DA_DEFAULT_POLL_PERIOD;
1423 static int da_retry_count = DA_DEFAULT_RETRY;
1424 static int da_default_timeout = DA_DEFAULT_TIMEOUT;
1425 static sbintime_t da_default_softtimeout = DA_DEFAULT_SOFTTIMEOUT;
1426 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED;
1427 
1428 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
1429             "CAM Direct Access Disk driver");
1430 SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RWTUN,
1431            &da_poll_period, 0, "Media polling period in seconds");
1432 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RWTUN,
1433            &da_retry_count, 0, "Normal I/O retry count");
1434 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RWTUN,
1435            &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
1436 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RWTUN,
1437            &da_send_ordered, 0, "Send Ordered Tags");
1438 
1439 SYSCTL_PROC(_kern_cam_da, OID_AUTO, default_softtimeout,
1440     CTLTYPE_UINT | CTLFLAG_RW, NULL, 0, dasysctlsofttimeout, "I",
1441     "Soft I/O timeout (ms)");
1442 TUNABLE_INT64("kern.cam.da.default_softtimeout", &da_default_softtimeout);
1443 
1444 /*
1445  * DA_ORDEREDTAG_INTERVAL determines how often, relative
1446  * to the default timeout, we check to see whether an ordered
1447  * tagged transaction is appropriate to prevent simple tag
1448  * starvation.  Since we'd like to ensure that there is at least
1449  * 1/2 of the timeout length left for a starved transaction to
1450  * complete after we've sent an ordered tag, we must poll at least
1451  * four times in every timeout period.  This takes care of the worst
1452  * case where a starved transaction starts during an interval that
1453  * meets the requirement "don't send an ordered tag" test so it takes
1454  * us two intervals to determine that a tag must be sent.
1455  */
1456 #ifndef DA_ORDEREDTAG_INTERVAL
1457 #define DA_ORDEREDTAG_INTERVAL 4
1458 #endif
1459 
1460 static struct periph_driver dadriver =
1461 {
1462 	dainit, "da",
1463 	TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
1464 };
1465 
1466 PERIPHDRIVER_DECLARE(da, dadriver);
1467 
1468 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
1469 
1470 static int
1471 daopen(struct disk *dp)
1472 {
1473 	struct cam_periph *periph;
1474 	struct da_softc *softc;
1475 	int error;
1476 
1477 	periph = (struct cam_periph *)dp->d_drv1;
1478 	if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
1479 		return (ENXIO);
1480 	}
1481 
1482 	cam_periph_lock(periph);
1483 	if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) {
1484 		cam_periph_unlock(periph);
1485 		cam_periph_release(periph);
1486 		return (error);
1487 	}
1488 
1489 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1490 	    ("daopen\n"));
1491 
1492 	softc = (struct da_softc *)periph->softc;
1493 	dareprobe(periph);
1494 
1495 	/* Wait for the disk size update.  */
1496 	error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO,
1497 	    "dareprobe", 0);
1498 	if (error != 0)
1499 		xpt_print(periph->path, "unable to retrieve capacity data\n");
1500 
1501 	if (periph->flags & CAM_PERIPH_INVALID)
1502 		error = ENXIO;
1503 
1504 	if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1505 	    (softc->quirks & DA_Q_NO_PREVENT) == 0)
1506 		daprevent(periph, PR_PREVENT);
1507 
1508 	if (error == 0) {
1509 		softc->flags &= ~DA_FLAG_PACK_INVALID;
1510 		softc->flags |= DA_FLAG_OPEN;
1511 	}
1512 
1513 	cam_periph_unhold(periph);
1514 	cam_periph_unlock(periph);
1515 
1516 	if (error != 0)
1517 		cam_periph_release(periph);
1518 
1519 	return (error);
1520 }
1521 
1522 static int
1523 daclose(struct disk *dp)
1524 {
1525 	struct	cam_periph *periph;
1526 	struct	da_softc *softc;
1527 	union	ccb *ccb;
1528 
1529 	periph = (struct cam_periph *)dp->d_drv1;
1530 	softc = (struct da_softc *)periph->softc;
1531 	cam_periph_lock(periph);
1532 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1533 	    ("daclose\n"));
1534 
1535 	if (cam_periph_hold(periph, PRIBIO) == 0) {
1536 
1537 		/* Flush disk cache. */
1538 		if ((softc->flags & DA_FLAG_DIRTY) != 0 &&
1539 		    (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 &&
1540 		    (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
1541 			ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1542 			scsi_synchronize_cache(&ccb->csio, /*retries*/1,
1543 			    /*cbfcnp*/dadone, MSG_SIMPLE_Q_TAG,
1544 			    /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE,
1545 			    5 * 60 * 1000);
1546 			cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
1547 			    /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR,
1548 			    softc->disk->d_devstat);
1549 			softc->flags &= ~DA_FLAG_DIRTY;
1550 			xpt_release_ccb(ccb);
1551 		}
1552 
1553 		/* Allow medium removal. */
1554 		if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1555 		    (softc->quirks & DA_Q_NO_PREVENT) == 0)
1556 			daprevent(periph, PR_ALLOW);
1557 
1558 		cam_periph_unhold(periph);
1559 	}
1560 
1561 	/*
1562 	 * If we've got removeable media, mark the blocksize as
1563 	 * unavailable, since it could change when new media is
1564 	 * inserted.
1565 	 */
1566 	if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)
1567 		softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1568 
1569 	softc->flags &= ~DA_FLAG_OPEN;
1570 	while (softc->refcount != 0)
1571 		cam_periph_sleep(periph, &softc->refcount, PRIBIO, "daclose", 1);
1572 	cam_periph_unlock(periph);
1573 	cam_periph_release(periph);
1574 	return (0);
1575 }
1576 
1577 static void
1578 daschedule(struct cam_periph *periph)
1579 {
1580 	struct da_softc *softc = (struct da_softc *)periph->softc;
1581 
1582 	if (softc->state != DA_STATE_NORMAL)
1583 		return;
1584 
1585 	cam_iosched_schedule(softc->cam_iosched, periph);
1586 }
1587 
1588 /*
1589  * Actually translate the requested transfer into one the physical driver
1590  * can understand.  The transfer is described by a buf and will include
1591  * only one physical transfer.
1592  */
1593 static void
1594 dastrategy(struct bio *bp)
1595 {
1596 	struct cam_periph *periph;
1597 	struct da_softc *softc;
1598 
1599 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1600 	softc = (struct da_softc *)periph->softc;
1601 
1602 	cam_periph_lock(periph);
1603 
1604 	/*
1605 	 * If the device has been made invalid, error out
1606 	 */
1607 	if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1608 		cam_periph_unlock(periph);
1609 		biofinish(bp, NULL, ENXIO);
1610 		return;
1611 	}
1612 
1613 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp));
1614 
1615 	/*
1616 	 * Zone commands must be ordered, because they can depend on the
1617 	 * effects of previously issued commands, and they may affect
1618 	 * commands after them.
1619 	 */
1620 	if (bp->bio_cmd == BIO_ZONE)
1621 		bp->bio_flags |= BIO_ORDERED;
1622 
1623 	/*
1624 	 * Place it in the queue of disk activities for this disk
1625 	 */
1626 	cam_iosched_queue_work(softc->cam_iosched, bp);
1627 
1628 	/*
1629 	 * Schedule ourselves for performing the work.
1630 	 */
1631 	daschedule(periph);
1632 	cam_periph_unlock(periph);
1633 
1634 	return;
1635 }
1636 
1637 static int
1638 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1639 {
1640 	struct	    cam_periph *periph;
1641 	struct	    da_softc *softc;
1642 	u_int	    secsize;
1643 	struct	    ccb_scsiio csio;
1644 	struct	    disk *dp;
1645 	int	    error = 0;
1646 
1647 	dp = arg;
1648 	periph = dp->d_drv1;
1649 	softc = (struct da_softc *)periph->softc;
1650 	cam_periph_lock(periph);
1651 	secsize = softc->params.secsize;
1652 
1653 	if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
1654 		cam_periph_unlock(periph);
1655 		return (ENXIO);
1656 	}
1657 
1658 	memset(&csio, 0, sizeof(csio));
1659 	if (length > 0) {
1660 		xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1661 		csio.ccb_h.ccb_state = DA_CCB_DUMP;
1662 		scsi_read_write(&csio,
1663 				/*retries*/0,
1664 				dadone,
1665 				MSG_ORDERED_Q_TAG,
1666 				/*read*/SCSI_RW_WRITE,
1667 				/*byte2*/0,
1668 				/*minimum_cmd_size*/ softc->minimum_cmd_size,
1669 				offset / secsize,
1670 				length / secsize,
1671 				/*data_ptr*/(u_int8_t *) virtual,
1672 				/*dxfer_len*/length,
1673 				/*sense_len*/SSD_FULL_SIZE,
1674 				da_default_timeout * 1000);
1675 		error = cam_periph_runccb((union ccb *)&csio, cam_periph_error,
1676 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1677 		if (error != 0)
1678 			printf("Aborting dump due to I/O error.\n");
1679 		cam_periph_unlock(periph);
1680 		return (error);
1681 	}
1682 
1683 	/*
1684 	 * Sync the disk cache contents to the physical media.
1685 	 */
1686 	if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1687 
1688 		xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1689 		csio.ccb_h.ccb_state = DA_CCB_DUMP;
1690 		scsi_synchronize_cache(&csio,
1691 				       /*retries*/0,
1692 				       /*cbfcnp*/dadone,
1693 				       MSG_SIMPLE_Q_TAG,
1694 				       /*begin_lba*/0,/* Cover the whole disk */
1695 				       /*lb_count*/0,
1696 				       SSD_FULL_SIZE,
1697 				       5 * 1000);
1698 		error = cam_periph_runccb((union ccb *)&csio, cam_periph_error,
1699 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1700 		if (error != 0)
1701 			xpt_print(periph->path, "Synchronize cache failed\n");
1702 	}
1703 	cam_periph_unlock(periph);
1704 	return (error);
1705 }
1706 
1707 static int
1708 dagetattr(struct bio *bp)
1709 {
1710 	int ret;
1711 	struct cam_periph *periph;
1712 
1713 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1714 	cam_periph_lock(periph);
1715 	ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1716 	    periph->path);
1717 	cam_periph_unlock(periph);
1718 	if (ret == 0)
1719 		bp->bio_completed = bp->bio_length;
1720 	return ret;
1721 }
1722 
1723 static void
1724 dainit(void)
1725 {
1726 	cam_status status;
1727 
1728 	/*
1729 	 * Install a global async callback.  This callback will
1730 	 * receive async callbacks like "new device found".
1731 	 */
1732 	status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
1733 
1734 	if (status != CAM_REQ_CMP) {
1735 		printf("da: Failed to attach master async callback "
1736 		       "due to status 0x%x!\n", status);
1737 	} else if (da_send_ordered) {
1738 
1739 		/* Register our shutdown event handler */
1740 		if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
1741 					   NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1742 		    printf("dainit: shutdown event registration failed!\n");
1743 	}
1744 }
1745 
1746 /*
1747  * Callback from GEOM, called when it has finished cleaning up its
1748  * resources.
1749  */
1750 static void
1751 dadiskgonecb(struct disk *dp)
1752 {
1753 	struct cam_periph *periph;
1754 
1755 	periph = (struct cam_periph *)dp->d_drv1;
1756 	cam_periph_release(periph);
1757 }
1758 
1759 static void
1760 daoninvalidate(struct cam_periph *periph)
1761 {
1762 	struct da_softc *softc;
1763 
1764 	softc = (struct da_softc *)periph->softc;
1765 
1766 	/*
1767 	 * De-register any async callbacks.
1768 	 */
1769 	xpt_register_async(0, daasync, periph, periph->path);
1770 
1771 	softc->flags |= DA_FLAG_PACK_INVALID;
1772 #ifdef CAM_IO_STATS
1773 	softc->invalidations++;
1774 #endif
1775 
1776 	/*
1777 	 * Return all queued I/O with ENXIO.
1778 	 * XXX Handle any transactions queued to the card
1779 	 *     with XPT_ABORT_CCB.
1780 	 */
1781 	cam_iosched_flush(softc->cam_iosched, NULL, ENXIO);
1782 
1783 	/*
1784 	 * Tell GEOM that we've gone away, we'll get a callback when it is
1785 	 * done cleaning up its resources.
1786 	 */
1787 	disk_gone(softc->disk);
1788 }
1789 
1790 static void
1791 dacleanup(struct cam_periph *periph)
1792 {
1793 	struct da_softc *softc;
1794 
1795 	softc = (struct da_softc *)periph->softc;
1796 
1797 	cam_periph_unlock(periph);
1798 
1799 	cam_iosched_fini(softc->cam_iosched);
1800 
1801 	/*
1802 	 * If we can't free the sysctl tree, oh well...
1803 	 */
1804 	if ((softc->flags & DA_FLAG_SCTX_INIT) != 0) {
1805 #ifdef CAM_IO_STATS
1806 		if (sysctl_ctx_free(&softc->sysctl_stats_ctx) != 0)
1807 			xpt_print(periph->path,
1808 			    "can't remove sysctl stats context\n");
1809 #endif
1810 		if (sysctl_ctx_free(&softc->sysctl_ctx) != 0)
1811 			xpt_print(periph->path,
1812 			    "can't remove sysctl context\n");
1813 	}
1814 
1815 	callout_drain(&softc->mediapoll_c);
1816 	disk_destroy(softc->disk);
1817 	callout_drain(&softc->sendordered_c);
1818 	free(softc, M_DEVBUF);
1819 	cam_periph_lock(periph);
1820 }
1821 
1822 static void
1823 daasync(void *callback_arg, u_int32_t code,
1824 	struct cam_path *path, void *arg)
1825 {
1826 	struct cam_periph *periph;
1827 	struct da_softc *softc;
1828 
1829 	periph = (struct cam_periph *)callback_arg;
1830 	switch (code) {
1831 	case AC_FOUND_DEVICE:
1832 	{
1833 		struct ccb_getdev *cgd;
1834 		cam_status status;
1835 
1836 		cgd = (struct ccb_getdev *)arg;
1837 		if (cgd == NULL)
1838 			break;
1839 
1840 		if (cgd->protocol != PROTO_SCSI)
1841 			break;
1842 		if (SID_QUAL(&cgd->inq_data) != SID_QUAL_LU_CONNECTED)
1843 			break;
1844 		if (SID_TYPE(&cgd->inq_data) != T_DIRECT
1845 		    && SID_TYPE(&cgd->inq_data) != T_RBC
1846 		    && SID_TYPE(&cgd->inq_data) != T_OPTICAL
1847 		    && SID_TYPE(&cgd->inq_data) != T_ZBC_HM)
1848 			break;
1849 
1850 		/*
1851 		 * Allocate a peripheral instance for
1852 		 * this device and start the probe
1853 		 * process.
1854 		 */
1855 		status = cam_periph_alloc(daregister, daoninvalidate,
1856 					  dacleanup, dastart,
1857 					  "da", CAM_PERIPH_BIO,
1858 					  path, daasync,
1859 					  AC_FOUND_DEVICE, cgd);
1860 
1861 		if (status != CAM_REQ_CMP
1862 		 && status != CAM_REQ_INPROG)
1863 			printf("daasync: Unable to attach to new device "
1864 				"due to status 0x%x\n", status);
1865 		return;
1866 	}
1867 	case AC_ADVINFO_CHANGED:
1868 	{
1869 		uintptr_t buftype;
1870 
1871 		buftype = (uintptr_t)arg;
1872 		if (buftype == CDAI_TYPE_PHYS_PATH) {
1873 			struct da_softc *softc;
1874 
1875 			softc = periph->softc;
1876 			disk_attr_changed(softc->disk, "GEOM::physpath",
1877 					  M_NOWAIT);
1878 		}
1879 		break;
1880 	}
1881 	case AC_UNIT_ATTENTION:
1882 	{
1883 		union ccb *ccb;
1884 		int error_code, sense_key, asc, ascq;
1885 
1886 		softc = (struct da_softc *)periph->softc;
1887 		ccb = (union ccb *)arg;
1888 
1889 		/*
1890 		 * Handle all UNIT ATTENTIONs except our own,
1891 		 * as they will be handled by daerror().
1892 		 */
1893 		if (xpt_path_periph(ccb->ccb_h.path) != periph &&
1894 		    scsi_extract_sense_ccb(ccb,
1895 		     &error_code, &sense_key, &asc, &ascq)) {
1896 			if (asc == 0x2A && ascq == 0x09) {
1897 				xpt_print(ccb->ccb_h.path,
1898 				    "Capacity data has changed\n");
1899 				softc->flags &= ~DA_FLAG_PROBED;
1900 				dareprobe(periph);
1901 			} else if (asc == 0x28 && ascq == 0x00) {
1902 				softc->flags &= ~DA_FLAG_PROBED;
1903 				disk_media_changed(softc->disk, M_NOWAIT);
1904 			} else if (asc == 0x3F && ascq == 0x03) {
1905 				xpt_print(ccb->ccb_h.path,
1906 				    "INQUIRY data has changed\n");
1907 				softc->flags &= ~DA_FLAG_PROBED;
1908 				dareprobe(periph);
1909 			}
1910 		}
1911 		break;
1912 	}
1913 	case AC_SCSI_AEN:
1914 		softc = (struct da_softc *)periph->softc;
1915 		if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR)) {
1916 			if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
1917 				cam_iosched_set_work_flags(softc->cam_iosched, DA_WORK_TUR);
1918 				daschedule(periph);
1919 			}
1920 		}
1921 		/* FALLTHROUGH */
1922 	case AC_SENT_BDR:
1923 	case AC_BUS_RESET:
1924 	{
1925 		struct ccb_hdr *ccbh;
1926 
1927 		softc = (struct da_softc *)periph->softc;
1928 		/*
1929 		 * Don't fail on the expected unit attention
1930 		 * that will occur.
1931 		 */
1932 		softc->flags |= DA_FLAG_RETRY_UA;
1933 		LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
1934 			ccbh->ccb_state |= DA_CCB_RETRY_UA;
1935 		break;
1936 	}
1937 	case AC_INQ_CHANGED:
1938 		softc = (struct da_softc *)periph->softc;
1939 		softc->flags &= ~DA_FLAG_PROBED;
1940 		dareprobe(periph);
1941 		break;
1942 	default:
1943 		break;
1944 	}
1945 	cam_periph_async(periph, code, path, arg);
1946 }
1947 
1948 static void
1949 dasysctlinit(void *context, int pending)
1950 {
1951 	struct cam_periph *periph;
1952 	struct da_softc *softc;
1953 	char tmpstr[32], tmpstr2[16];
1954 	struct ccb_trans_settings cts;
1955 
1956 	periph = (struct cam_periph *)context;
1957 	/*
1958 	 * periph was held for us when this task was enqueued
1959 	 */
1960 	if (periph->flags & CAM_PERIPH_INVALID) {
1961 		cam_periph_release(periph);
1962 		return;
1963 	}
1964 
1965 	softc = (struct da_softc *)periph->softc;
1966 	snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
1967 	snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1968 
1969 	sysctl_ctx_init(&softc->sysctl_ctx);
1970 	softc->flags |= DA_FLAG_SCTX_INIT;
1971 	softc->sysctl_tree = SYSCTL_ADD_NODE_WITH_LABEL(&softc->sysctl_ctx,
1972 		SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
1973 		CTLFLAG_RD, 0, tmpstr, "device_index");
1974 	if (softc->sysctl_tree == NULL) {
1975 		printf("dasysctlinit: unable to allocate sysctl tree\n");
1976 		cam_periph_release(periph);
1977 		return;
1978 	}
1979 
1980 	/*
1981 	 * Now register the sysctl handler, so the user can change the value on
1982 	 * the fly.
1983 	 */
1984 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1985 		OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RWTUN,
1986 		softc, 0, dadeletemethodsysctl, "A",
1987 		"BIO_DELETE execution method");
1988 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1989 		OID_AUTO, "delete_max", CTLTYPE_U64 | CTLFLAG_RW,
1990 		softc, 0, dadeletemaxsysctl, "Q",
1991 		"Maximum BIO_DELETE size");
1992 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1993 		OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
1994 		&softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
1995 		"Minimum CDB size");
1996 
1997 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1998 		OID_AUTO, "zone_mode", CTLTYPE_STRING | CTLFLAG_RD,
1999 		softc, 0, dazonemodesysctl, "A",
2000 		"Zone Mode");
2001 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
2002 		OID_AUTO, "zone_support", CTLTYPE_STRING | CTLFLAG_RD,
2003 		softc, 0, dazonesupsysctl, "A",
2004 		"Zone Support");
2005 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2006 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2007 		"optimal_seq_zones", CTLFLAG_RD, &softc->optimal_seq_zones,
2008 		"Optimal Number of Open Sequential Write Preferred Zones");
2009 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2010 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2011 		"optimal_nonseq_zones", CTLFLAG_RD,
2012 		&softc->optimal_nonseq_zones,
2013 		"Optimal Number of Non-Sequentially Written Sequential Write "
2014 		"Preferred Zones");
2015 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2016 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
2017 		"max_seq_zones", CTLFLAG_RD, &softc->max_seq_zones,
2018 		"Maximum Number of Open Sequential Write Required Zones");
2019 
2020 	SYSCTL_ADD_INT(&softc->sysctl_ctx,
2021 		       SYSCTL_CHILDREN(softc->sysctl_tree),
2022 		       OID_AUTO,
2023 		       "error_inject",
2024 		       CTLFLAG_RW,
2025 		       &softc->error_inject,
2026 		       0,
2027 		       "error_inject leaf");
2028 
2029 	SYSCTL_ADD_INT(&softc->sysctl_ctx,
2030 		       SYSCTL_CHILDREN(softc->sysctl_tree),
2031 		       OID_AUTO,
2032 		       "unmapped_io",
2033 		       CTLFLAG_RD,
2034 		       &softc->unmappedio,
2035 		       0,
2036 		       "Unmapped I/O leaf");
2037 
2038 	SYSCTL_ADD_INT(&softc->sysctl_ctx,
2039 		       SYSCTL_CHILDREN(softc->sysctl_tree),
2040 		       OID_AUTO,
2041 		       "rotating",
2042 		       CTLFLAG_RD,
2043 		       &softc->rotating,
2044 		       0,
2045 		       "Rotating media");
2046 
2047 	/*
2048 	 * Add some addressing info.
2049 	 */
2050 	memset(&cts, 0, sizeof (cts));
2051 	xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
2052 	cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
2053 	cts.type = CTS_TYPE_CURRENT_SETTINGS;
2054 	cam_periph_lock(periph);
2055 	xpt_action((union ccb *)&cts);
2056 	cam_periph_unlock(periph);
2057 	if (cts.ccb_h.status != CAM_REQ_CMP) {
2058 		cam_periph_release(periph);
2059 		return;
2060 	}
2061 	if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) {
2062 		struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc;
2063 		if (fc->valid & CTS_FC_VALID_WWPN) {
2064 			softc->wwpn = fc->wwpn;
2065 			SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2066 			    SYSCTL_CHILDREN(softc->sysctl_tree),
2067 			    OID_AUTO, "wwpn", CTLFLAG_RD,
2068 			    &softc->wwpn, "World Wide Port Name");
2069 		}
2070 	}
2071 
2072 #ifdef CAM_IO_STATS
2073 	/*
2074 	 * Now add some useful stats.
2075 	 * XXX These should live in cam_periph and be common to all periphs
2076 	 */
2077 	softc->sysctl_stats_tree = SYSCTL_ADD_NODE(&softc->sysctl_stats_ctx,
2078 	    SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "stats",
2079 	    CTLFLAG_RD, 0, "Statistics");
2080 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2081 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2082 		       OID_AUTO,
2083 		       "errors",
2084 		       CTLFLAG_RD,
2085 		       &softc->errors,
2086 		       0,
2087 		       "Transport errors reported by the SIM");
2088 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2089 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2090 		       OID_AUTO,
2091 		       "timeouts",
2092 		       CTLFLAG_RD,
2093 		       &softc->timeouts,
2094 		       0,
2095 		       "Device timeouts reported by the SIM");
2096 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2097 		       SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2098 		       OID_AUTO,
2099 		       "pack_invalidations",
2100 		       CTLFLAG_RD,
2101 		       &softc->invalidations,
2102 		       0,
2103 		       "Device pack invalidations");
2104 #endif
2105 
2106 	cam_iosched_sysctl_init(softc->cam_iosched, &softc->sysctl_ctx,
2107 	    softc->sysctl_tree);
2108 
2109 	cam_periph_release(periph);
2110 }
2111 
2112 static int
2113 dadeletemaxsysctl(SYSCTL_HANDLER_ARGS)
2114 {
2115 	int error;
2116 	uint64_t value;
2117 	struct da_softc *softc;
2118 
2119 	softc = (struct da_softc *)arg1;
2120 
2121 	value = softc->disk->d_delmaxsize;
2122 	error = sysctl_handle_64(oidp, &value, 0, req);
2123 	if ((error != 0) || (req->newptr == NULL))
2124 		return (error);
2125 
2126 	/* only accept values smaller than the calculated value */
2127 	if (value > dadeletemaxsize(softc, softc->delete_method)) {
2128 		return (EINVAL);
2129 	}
2130 	softc->disk->d_delmaxsize = value;
2131 
2132 	return (0);
2133 }
2134 
2135 static int
2136 dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
2137 {
2138 	int error, value;
2139 
2140 	value = *(int *)arg1;
2141 
2142 	error = sysctl_handle_int(oidp, &value, 0, req);
2143 
2144 	if ((error != 0)
2145 	 || (req->newptr == NULL))
2146 		return (error);
2147 
2148 	/*
2149 	 * Acceptable values here are 6, 10, 12 or 16.
2150 	 */
2151 	if (value < 6)
2152 		value = 6;
2153 	else if ((value > 6)
2154 	      && (value <= 10))
2155 		value = 10;
2156 	else if ((value > 10)
2157 	      && (value <= 12))
2158 		value = 12;
2159 	else if (value > 12)
2160 		value = 16;
2161 
2162 	*(int *)arg1 = value;
2163 
2164 	return (0);
2165 }
2166 
2167 static int
2168 dasysctlsofttimeout(SYSCTL_HANDLER_ARGS)
2169 {
2170 	sbintime_t value;
2171 	int error;
2172 
2173 	value = da_default_softtimeout / SBT_1MS;
2174 
2175 	error = sysctl_handle_int(oidp, (int *)&value, 0, req);
2176 	if ((error != 0) || (req->newptr == NULL))
2177 		return (error);
2178 
2179 	/* XXX Should clip this to a reasonable level */
2180 	if (value > da_default_timeout * 1000)
2181 		return (EINVAL);
2182 
2183 	da_default_softtimeout = value * SBT_1MS;
2184 	return (0);
2185 }
2186 
2187 static void
2188 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method)
2189 {
2190 
2191 	softc->delete_method = delete_method;
2192 	softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method);
2193 	softc->delete_func = da_delete_functions[delete_method];
2194 
2195 	if (softc->delete_method > DA_DELETE_DISABLE)
2196 		softc->disk->d_flags |= DISKFLAG_CANDELETE;
2197 	else
2198 		softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
2199 }
2200 
2201 static off_t
2202 dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method)
2203 {
2204 	off_t sectors;
2205 
2206 	switch(delete_method) {
2207 	case DA_DELETE_UNMAP:
2208 		sectors = (off_t)softc->unmap_max_lba;
2209 		break;
2210 	case DA_DELETE_ATA_TRIM:
2211 		sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
2212 		break;
2213 	case DA_DELETE_WS16:
2214 		sectors = omin(softc->ws_max_blks, WS16_MAX_BLKS);
2215 		break;
2216 	case DA_DELETE_ZERO:
2217 	case DA_DELETE_WS10:
2218 		sectors = omin(softc->ws_max_blks, WS10_MAX_BLKS);
2219 		break;
2220 	default:
2221 		return 0;
2222 	}
2223 
2224 	return (off_t)softc->params.secsize *
2225 	    omin(sectors, softc->params.sectors);
2226 }
2227 
2228 static void
2229 daprobedone(struct cam_periph *periph, union ccb *ccb)
2230 {
2231 	struct da_softc *softc;
2232 
2233 	softc = (struct da_softc *)periph->softc;
2234 
2235 	dadeletemethodchoose(softc, DA_DELETE_NONE);
2236 
2237 	if (bootverbose && (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2238 		char buf[80];
2239 		int i, sep;
2240 
2241 		snprintf(buf, sizeof(buf), "Delete methods: <");
2242 		sep = 0;
2243 		for (i = 0; i <= DA_DELETE_MAX; i++) {
2244 			if ((softc->delete_available & (1 << i)) == 0 &&
2245 			    i != softc->delete_method)
2246 				continue;
2247 			if (sep)
2248 				strlcat(buf, ",", sizeof(buf));
2249 			strlcat(buf, da_delete_method_names[i],
2250 			    sizeof(buf));
2251 			if (i == softc->delete_method)
2252 				strlcat(buf, "(*)", sizeof(buf));
2253 			sep = 1;
2254 		}
2255 		strlcat(buf, ">", sizeof(buf));
2256 		printf("%s%d: %s\n", periph->periph_name,
2257 		    periph->unit_number, buf);
2258 	}
2259 
2260 	/*
2261 	 * Since our peripheral may be invalidated by an error
2262 	 * above or an external event, we must release our CCB
2263 	 * before releasing the probe lock on the peripheral.
2264 	 * The peripheral will only go away once the last lock
2265 	 * is removed, and we need it around for the CCB release
2266 	 * operation.
2267 	 */
2268 	xpt_release_ccb(ccb);
2269 	softc->state = DA_STATE_NORMAL;
2270 	softc->flags |= DA_FLAG_PROBED;
2271 	daschedule(periph);
2272 	wakeup(&softc->disk->d_mediasize);
2273 	if ((softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2274 		softc->flags |= DA_FLAG_ANNOUNCED;
2275 		cam_periph_unhold(periph);
2276 	} else
2277 		cam_periph_release_locked(periph);
2278 }
2279 
2280 static void
2281 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method)
2282 {
2283 	int i, methods;
2284 
2285 	/* If available, prefer the method requested by user. */
2286 	i = softc->delete_method_pref;
2287 	methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
2288 	if (methods & (1 << i)) {
2289 		dadeletemethodset(softc, i);
2290 		return;
2291 	}
2292 
2293 	/* Use the pre-defined order to choose the best performing delete. */
2294 	for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
2295 		if (i == DA_DELETE_ZERO)
2296 			continue;
2297 		if (softc->delete_available & (1 << i)) {
2298 			dadeletemethodset(softc, i);
2299 			return;
2300 		}
2301 	}
2302 
2303 	/* Fallback to default. */
2304 	dadeletemethodset(softc, default_method);
2305 }
2306 
2307 static int
2308 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
2309 {
2310 	char buf[16];
2311 	const char *p;
2312 	struct da_softc *softc;
2313 	int i, error, value;
2314 
2315 	softc = (struct da_softc *)arg1;
2316 
2317 	value = softc->delete_method;
2318 	if (value < 0 || value > DA_DELETE_MAX)
2319 		p = "UNKNOWN";
2320 	else
2321 		p = da_delete_method_names[value];
2322 	strncpy(buf, p, sizeof(buf));
2323 	error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
2324 	if (error != 0 || req->newptr == NULL)
2325 		return (error);
2326 	for (i = 0; i <= DA_DELETE_MAX; i++) {
2327 		if (strcmp(buf, da_delete_method_names[i]) == 0)
2328 			break;
2329 	}
2330 	if (i > DA_DELETE_MAX)
2331 		return (EINVAL);
2332 	softc->delete_method_pref = i;
2333 	dadeletemethodchoose(softc, DA_DELETE_NONE);
2334 	return (0);
2335 }
2336 
2337 static int
2338 dazonemodesysctl(SYSCTL_HANDLER_ARGS)
2339 {
2340 	char tmpbuf[40];
2341 	struct da_softc *softc;
2342 	int error;
2343 
2344 	softc = (struct da_softc *)arg1;
2345 
2346 	switch (softc->zone_mode) {
2347 	case DA_ZONE_DRIVE_MANAGED:
2348 		snprintf(tmpbuf, sizeof(tmpbuf), "Drive Managed");
2349 		break;
2350 	case DA_ZONE_HOST_AWARE:
2351 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Aware");
2352 		break;
2353 	case DA_ZONE_HOST_MANAGED:
2354 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Managed");
2355 		break;
2356 	case DA_ZONE_NONE:
2357 	default:
2358 		snprintf(tmpbuf, sizeof(tmpbuf), "Not Zoned");
2359 		break;
2360 	}
2361 
2362 	error = sysctl_handle_string(oidp, tmpbuf, sizeof(tmpbuf), req);
2363 
2364 	return (error);
2365 }
2366 
2367 static int
2368 dazonesupsysctl(SYSCTL_HANDLER_ARGS)
2369 {
2370 	char tmpbuf[180];
2371 	struct da_softc *softc;
2372 	struct sbuf sb;
2373 	int error, first;
2374 	unsigned int i;
2375 
2376 	softc = (struct da_softc *)arg1;
2377 
2378 	error = 0;
2379 	first = 1;
2380 	sbuf_new(&sb, tmpbuf, sizeof(tmpbuf), 0);
2381 
2382 	for (i = 0; i < sizeof(da_zone_desc_table) /
2383 	     sizeof(da_zone_desc_table[0]); i++) {
2384 		if (softc->zone_flags & da_zone_desc_table[i].value) {
2385 			if (first == 0)
2386 				sbuf_printf(&sb, ", ");
2387 			else
2388 				first = 0;
2389 			sbuf_cat(&sb, da_zone_desc_table[i].desc);
2390 		}
2391 	}
2392 
2393 	if (first == 1)
2394 		sbuf_printf(&sb, "None");
2395 
2396 	sbuf_finish(&sb);
2397 
2398 	error = sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
2399 
2400 	return (error);
2401 }
2402 
2403 static cam_status
2404 daregister(struct cam_periph *periph, void *arg)
2405 {
2406 	struct da_softc *softc;
2407 	struct ccb_pathinq cpi;
2408 	struct ccb_getdev *cgd;
2409 	char tmpstr[80];
2410 	caddr_t match;
2411 
2412 	cgd = (struct ccb_getdev *)arg;
2413 	if (cgd == NULL) {
2414 		printf("daregister: no getdev CCB, can't register device\n");
2415 		return(CAM_REQ_CMP_ERR);
2416 	}
2417 
2418 	softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
2419 	    M_NOWAIT|M_ZERO);
2420 
2421 	if (softc == NULL) {
2422 		printf("daregister: Unable to probe new device. "
2423 		       "Unable to allocate softc\n");
2424 		return(CAM_REQ_CMP_ERR);
2425 	}
2426 
2427 	if (cam_iosched_init(&softc->cam_iosched, periph) != 0) {
2428 		printf("daregister: Unable to probe new device. "
2429 		       "Unable to allocate iosched memory\n");
2430 		free(softc, M_DEVBUF);
2431 		return(CAM_REQ_CMP_ERR);
2432 	}
2433 
2434 	LIST_INIT(&softc->pending_ccbs);
2435 	softc->state = DA_STATE_PROBE_RC;
2436 	bioq_init(&softc->delete_run_queue);
2437 	if (SID_IS_REMOVABLE(&cgd->inq_data))
2438 		softc->flags |= DA_FLAG_PACK_REMOVABLE;
2439 	softc->unmap_max_ranges = UNMAP_MAX_RANGES;
2440 	softc->unmap_max_lba = UNMAP_RANGE_MAX;
2441 	softc->unmap_gran = 0;
2442 	softc->unmap_gran_align = 0;
2443 	softc->ws_max_blks = WS16_MAX_BLKS;
2444 	softc->trim_max_ranges = ATA_TRIM_MAX_RANGES;
2445 	softc->rotating = 1;
2446 
2447 	periph->softc = softc;
2448 
2449 	/*
2450 	 * See if this device has any quirks.
2451 	 */
2452 	match = cam_quirkmatch((caddr_t)&cgd->inq_data,
2453 			       (caddr_t)da_quirk_table,
2454 			       nitems(da_quirk_table),
2455 			       sizeof(*da_quirk_table), scsi_inquiry_match);
2456 
2457 	if (match != NULL)
2458 		softc->quirks = ((struct da_quirk_entry *)match)->quirks;
2459 	else
2460 		softc->quirks = DA_Q_NONE;
2461 
2462 	/* Check if the SIM does not want 6 byte commands */
2463 	xpt_path_inq(&cpi, periph->path);
2464 	if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
2465 		softc->quirks |= DA_Q_NO_6_BYTE;
2466 
2467 	if (SID_TYPE(&cgd->inq_data) == T_ZBC_HM)
2468 		softc->zone_mode = DA_ZONE_HOST_MANAGED;
2469 	else if (softc->quirks & DA_Q_SMR_DM)
2470 		softc->zone_mode = DA_ZONE_DRIVE_MANAGED;
2471 	else
2472 		softc->zone_mode = DA_ZONE_NONE;
2473 
2474 	if (softc->zone_mode != DA_ZONE_NONE) {
2475 		if (scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
2476 			if (scsi_vpd_supported_page(periph, SVPD_ZONED_BDC))
2477 				softc->zone_interface = DA_ZONE_IF_ATA_SAT;
2478 			else
2479 				softc->zone_interface = DA_ZONE_IF_ATA_PASS;
2480 		} else
2481 			softc->zone_interface = DA_ZONE_IF_SCSI;
2482 	}
2483 
2484 	TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
2485 
2486 	/*
2487 	 * Take an exclusive refcount on the periph while dastart is called
2488 	 * to finish the probe.  The reference will be dropped in dadone at
2489 	 * the end of probe.
2490 	 */
2491 	(void)cam_periph_hold(periph, PRIBIO);
2492 
2493 	/*
2494 	 * Schedule a periodic event to occasionally send an
2495 	 * ordered tag to a device.
2496 	 */
2497 	callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
2498 	callout_reset(&softc->sendordered_c,
2499 	    (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
2500 	    dasendorderedtag, softc);
2501 
2502 	cam_periph_unlock(periph);
2503 	/*
2504 	 * RBC devices don't have to support READ(6), only READ(10).
2505 	 */
2506 	if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
2507 		softc->minimum_cmd_size = 10;
2508 	else
2509 		softc->minimum_cmd_size = 6;
2510 
2511 	/*
2512 	 * Load the user's default, if any.
2513 	 */
2514 	snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
2515 		 periph->unit_number);
2516 	TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
2517 
2518 	/*
2519 	 * 6, 10, 12 and 16 are the currently permissible values.
2520 	 */
2521 	if (softc->minimum_cmd_size > 12)
2522 		softc->minimum_cmd_size = 16;
2523 	else if (softc->minimum_cmd_size > 10)
2524 		softc->minimum_cmd_size = 12;
2525 	else if (softc->minimum_cmd_size > 6)
2526 		softc->minimum_cmd_size = 10;
2527 	else
2528 		softc->minimum_cmd_size = 6;
2529 
2530 	/* Predict whether device may support READ CAPACITY(16). */
2531 	if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 &&
2532 	    (softc->quirks & DA_Q_NO_RC16) == 0) {
2533 		softc->flags |= DA_FLAG_CAN_RC16;
2534 		softc->state = DA_STATE_PROBE_RC16;
2535 	}
2536 
2537 	/*
2538 	 * Register this media as a disk.
2539 	 */
2540 	softc->disk = disk_alloc();
2541 	softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
2542 			  periph->unit_number, 0,
2543 			  DEVSTAT_BS_UNAVAILABLE,
2544 			  SID_TYPE(&cgd->inq_data) |
2545 			  XPORT_DEVSTAT_TYPE(cpi.transport),
2546 			  DEVSTAT_PRIORITY_DISK);
2547 	softc->disk->d_open = daopen;
2548 	softc->disk->d_close = daclose;
2549 	softc->disk->d_strategy = dastrategy;
2550 	softc->disk->d_dump = dadump;
2551 	softc->disk->d_getattr = dagetattr;
2552 	softc->disk->d_gone = dadiskgonecb;
2553 	softc->disk->d_name = "da";
2554 	softc->disk->d_drv1 = periph;
2555 	if (cpi.maxio == 0)
2556 		softc->maxio = DFLTPHYS;	/* traditional default */
2557 	else if (cpi.maxio > MAXPHYS)
2558 		softc->maxio = MAXPHYS;		/* for safety */
2559 	else
2560 		softc->maxio = cpi.maxio;
2561 	softc->disk->d_maxsize = softc->maxio;
2562 	softc->disk->d_unit = periph->unit_number;
2563 	softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION | DISKFLAG_CANZONE;
2564 	if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
2565 		softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
2566 	if ((cpi.hba_misc & PIM_UNMAPPED) != 0) {
2567 		softc->unmappedio = 1;
2568 		softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
2569 	}
2570 	cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
2571 	    sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
2572 	strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
2573 	cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
2574 	    cgd->inq_data.product, sizeof(cgd->inq_data.product),
2575 	    sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
2576 	softc->disk->d_hba_vendor = cpi.hba_vendor;
2577 	softc->disk->d_hba_device = cpi.hba_device;
2578 	softc->disk->d_hba_subvendor = cpi.hba_subvendor;
2579 	softc->disk->d_hba_subdevice = cpi.hba_subdevice;
2580 
2581 	/*
2582 	 * Acquire a reference to the periph before we register with GEOM.
2583 	 * We'll release this reference once GEOM calls us back (via
2584 	 * dadiskgonecb()) telling us that our provider has been freed.
2585 	 */
2586 	if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
2587 		xpt_print(periph->path, "%s: lost periph during "
2588 			  "registration!\n", __func__);
2589 		cam_periph_lock(periph);
2590 		return (CAM_REQ_CMP_ERR);
2591 	}
2592 
2593 	disk_create(softc->disk, DISK_VERSION);
2594 	cam_periph_lock(periph);
2595 
2596 	/*
2597 	 * Add async callbacks for events of interest.
2598 	 * I don't bother checking if this fails as,
2599 	 * in most cases, the system will function just
2600 	 * fine without them and the only alternative
2601 	 * would be to not attach the device on failure.
2602 	 */
2603 	xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
2604 	    AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION |
2605 	    AC_INQ_CHANGED, daasync, periph, periph->path);
2606 
2607 	/*
2608 	 * Emit an attribute changed notification just in case
2609 	 * physical path information arrived before our async
2610 	 * event handler was registered, but after anyone attaching
2611 	 * to our disk device polled it.
2612 	 */
2613 	disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT);
2614 
2615 	/*
2616 	 * Schedule a periodic media polling events.
2617 	 */
2618 	callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0);
2619 	if ((softc->flags & DA_FLAG_PACK_REMOVABLE) &&
2620 	    (cgd->inq_flags & SID_AEN) == 0 &&
2621 	    da_poll_period != 0)
2622 		callout_reset(&softc->mediapoll_c, da_poll_period * hz,
2623 		    damediapoll, periph);
2624 
2625 	xpt_schedule(periph, CAM_PRIORITY_DEV);
2626 
2627 	return(CAM_REQ_CMP);
2628 }
2629 
2630 static int
2631 da_zone_bio_to_scsi(int disk_zone_cmd)
2632 {
2633 	switch (disk_zone_cmd) {
2634 	case DISK_ZONE_OPEN:
2635 		return ZBC_OUT_SA_OPEN;
2636 	case DISK_ZONE_CLOSE:
2637 		return ZBC_OUT_SA_CLOSE;
2638 	case DISK_ZONE_FINISH:
2639 		return ZBC_OUT_SA_FINISH;
2640 	case DISK_ZONE_RWP:
2641 		return ZBC_OUT_SA_RWP;
2642 	}
2643 
2644 	return -1;
2645 }
2646 
2647 static int
2648 da_zone_cmd(struct cam_periph *periph, union ccb *ccb, struct bio *bp,
2649 	    int *queue_ccb)
2650 {
2651 	struct da_softc *softc;
2652 	int error;
2653 
2654 	error = 0;
2655 
2656 	if (bp->bio_cmd != BIO_ZONE) {
2657 		error = EINVAL;
2658 		goto bailout;
2659 	}
2660 
2661 	softc = periph->softc;
2662 
2663 	switch (bp->bio_zone.zone_cmd) {
2664 	case DISK_ZONE_OPEN:
2665 	case DISK_ZONE_CLOSE:
2666 	case DISK_ZONE_FINISH:
2667 	case DISK_ZONE_RWP: {
2668 		int zone_flags;
2669 		int zone_sa;
2670 		uint64_t lba;
2671 
2672 		zone_sa = da_zone_bio_to_scsi(bp->bio_zone.zone_cmd);
2673 		if (zone_sa == -1) {
2674 			xpt_print(periph->path, "Cannot translate zone "
2675 			    "cmd %#x to SCSI\n", bp->bio_zone.zone_cmd);
2676 			error = EINVAL;
2677 			goto bailout;
2678 		}
2679 
2680 		zone_flags = 0;
2681 		lba = bp->bio_zone.zone_params.rwp.id;
2682 
2683 		if (bp->bio_zone.zone_params.rwp.flags &
2684 		    DISK_ZONE_RWP_FLAG_ALL)
2685 			zone_flags |= ZBC_OUT_ALL;
2686 
2687 		if (softc->zone_interface != DA_ZONE_IF_ATA_PASS) {
2688 			scsi_zbc_out(&ccb->csio,
2689 				     /*retries*/ da_retry_count,
2690 				     /*cbfcnp*/ dadone,
2691 				     /*tag_action*/ MSG_SIMPLE_Q_TAG,
2692 				     /*service_action*/ zone_sa,
2693 				     /*zone_id*/ lba,
2694 				     /*zone_flags*/ zone_flags,
2695 				     /*data_ptr*/ NULL,
2696 				     /*dxfer_len*/ 0,
2697 				     /*sense_len*/ SSD_FULL_SIZE,
2698 				     /*timeout*/ da_default_timeout * 1000);
2699 		} else {
2700 			/*
2701 			 * Note that in this case, even though we can
2702 			 * technically use NCQ, we don't bother for several
2703 			 * reasons:
2704 			 * 1. It hasn't been tested on a SAT layer that
2705 			 *    supports it.  This is new as of SAT-4.
2706 			 * 2. Even when there is a SAT layer that supports
2707 			 *    it, that SAT layer will also probably support
2708 			 *    ZBC -> ZAC translation, since they are both
2709 			 *    in the SAT-4 spec.
2710 			 * 3. Translation will likely be preferable to ATA
2711 			 *    passthrough.  LSI / Avago at least single
2712 			 *    steps ATA passthrough commands in the HBA,
2713 			 *    regardless of protocol, so unless that
2714 			 *    changes, there is a performance penalty for
2715 			 *    doing ATA passthrough no matter whether
2716 			 *    you're using NCQ/FPDMA, DMA or PIO.
2717 			 * 4. It requires a 32-byte CDB, which at least at
2718 			 *    this point in CAM requires a CDB pointer, which
2719 			 *    would require us to allocate an additional bit
2720 			 *    of storage separate from the CCB.
2721 			 */
2722 			error = scsi_ata_zac_mgmt_out(&ccb->csio,
2723 			    /*retries*/ da_retry_count,
2724 			    /*cbfcnp*/ dadone,
2725 			    /*tag_action*/ MSG_SIMPLE_Q_TAG,
2726 			    /*use_ncq*/ 0,
2727 			    /*zm_action*/ zone_sa,
2728 			    /*zone_id*/ lba,
2729 			    /*zone_flags*/ zone_flags,
2730 			    /*data_ptr*/ NULL,
2731 			    /*dxfer_len*/ 0,
2732 			    /*cdb_storage*/ NULL,
2733 			    /*cdb_storage_len*/ 0,
2734 			    /*sense_len*/ SSD_FULL_SIZE,
2735 			    /*timeout*/ da_default_timeout * 1000);
2736 			if (error != 0) {
2737 				error = EINVAL;
2738 				xpt_print(periph->path,
2739 				    "scsi_ata_zac_mgmt_out() returned an "
2740 				    "error!");
2741 				goto bailout;
2742 			}
2743 		}
2744 		*queue_ccb = 1;
2745 
2746 		break;
2747 	}
2748 	case DISK_ZONE_REPORT_ZONES: {
2749 		uint8_t *rz_ptr;
2750 		uint32_t num_entries, alloc_size;
2751 		struct disk_zone_report *rep;
2752 
2753 		rep = &bp->bio_zone.zone_params.report;
2754 
2755 		num_entries = rep->entries_allocated;
2756 		if (num_entries == 0) {
2757 			xpt_print(periph->path, "No entries allocated for "
2758 			    "Report Zones request\n");
2759 			error = EINVAL;
2760 			goto bailout;
2761 		}
2762 		alloc_size = sizeof(struct scsi_report_zones_hdr) +
2763 		    (sizeof(struct scsi_report_zones_desc) * num_entries);
2764 		alloc_size = min(alloc_size, softc->disk->d_maxsize);
2765 		rz_ptr = malloc(alloc_size, M_SCSIDA, M_NOWAIT | M_ZERO);
2766 		if (rz_ptr == NULL) {
2767 			xpt_print(periph->path, "Unable to allocate memory "
2768 			   "for Report Zones request\n");
2769 			error = ENOMEM;
2770 			goto bailout;
2771 		}
2772 
2773 		if (softc->zone_interface != DA_ZONE_IF_ATA_PASS) {
2774 			scsi_zbc_in(&ccb->csio,
2775 				    /*retries*/ da_retry_count,
2776 				    /*cbcfnp*/ dadone,
2777 				    /*tag_action*/ MSG_SIMPLE_Q_TAG,
2778 				    /*service_action*/ ZBC_IN_SA_REPORT_ZONES,
2779 				    /*zone_start_lba*/ rep->starting_id,
2780 				    /*zone_options*/ rep->rep_options,
2781 				    /*data_ptr*/ rz_ptr,
2782 				    /*dxfer_len*/ alloc_size,
2783 				    /*sense_len*/ SSD_FULL_SIZE,
2784 				    /*timeout*/ da_default_timeout * 1000);
2785 		} else {
2786 			/*
2787 			 * Note that in this case, even though we can
2788 			 * technically use NCQ, we don't bother for several
2789 			 * reasons:
2790 			 * 1. It hasn't been tested on a SAT layer that
2791 			 *    supports it.  This is new as of SAT-4.
2792 			 * 2. Even when there is a SAT layer that supports
2793 			 *    it, that SAT layer will also probably support
2794 			 *    ZBC -> ZAC translation, since they are both
2795 			 *    in the SAT-4 spec.
2796 			 * 3. Translation will likely be preferable to ATA
2797 			 *    passthrough.  LSI / Avago at least single
2798 			 *    steps ATA passthrough commands in the HBA,
2799 			 *    regardless of protocol, so unless that
2800 			 *    changes, there is a performance penalty for
2801 			 *    doing ATA passthrough no matter whether
2802 			 *    you're using NCQ/FPDMA, DMA or PIO.
2803 			 * 4. It requires a 32-byte CDB, which at least at
2804 			 *    this point in CAM requires a CDB pointer, which
2805 			 *    would require us to allocate an additional bit
2806 			 *    of storage separate from the CCB.
2807 			 */
2808 			error = scsi_ata_zac_mgmt_in(&ccb->csio,
2809 			    /*retries*/ da_retry_count,
2810 			    /*cbcfnp*/ dadone,
2811 			    /*tag_action*/ MSG_SIMPLE_Q_TAG,
2812 			    /*use_ncq*/ 0,
2813 			    /*zm_action*/ ATA_ZM_REPORT_ZONES,
2814 			    /*zone_id*/ rep->starting_id,
2815 			    /*zone_flags*/ rep->rep_options,
2816 			    /*data_ptr*/ rz_ptr,
2817 			    /*dxfer_len*/ alloc_size,
2818 			    /*cdb_storage*/ NULL,
2819 			    /*cdb_storage_len*/ 0,
2820 			    /*sense_len*/ SSD_FULL_SIZE,
2821 			    /*timeout*/ da_default_timeout * 1000);
2822 			if (error != 0) {
2823 				error = EINVAL;
2824 				xpt_print(periph->path,
2825 				    "scsi_ata_zac_mgmt_in() returned an "
2826 				    "error!");
2827 				goto bailout;
2828 			}
2829 		}
2830 
2831 		/*
2832 		 * For BIO_ZONE, this isn't normally needed.  However, it
2833 		 * is used by devstat_end_transaction_bio() to determine
2834 		 * how much data was transferred.
2835 		 */
2836 		/*
2837 		 * XXX KDM we have a problem.  But I'm not sure how to fix
2838 		 * it.  devstat uses bio_bcount - bio_resid to calculate
2839 		 * the amount of data transferred.   The GEOM disk code
2840 		 * uses bio_length - bio_resid to calculate the amount of
2841 		 * data in bio_completed.  We have different structure
2842 		 * sizes above and below the ada(4) driver.  So, if we
2843 		 * use the sizes above, the amount transferred won't be
2844 		 * quite accurate for devstat.  If we use different sizes
2845 		 * for bio_bcount and bio_length (above and below
2846 		 * respectively), then the residual needs to match one or
2847 		 * the other.  Everything is calculated after the bio
2848 		 * leaves the driver, so changing the values around isn't
2849 		 * really an option.  For now, just set the count to the
2850 		 * passed in length.  This means that the calculations
2851 		 * above (e.g. bio_completed) will be correct, but the
2852 		 * amount of data reported to devstat will be slightly
2853 		 * under or overstated.
2854 		 */
2855 		bp->bio_bcount = bp->bio_length;
2856 
2857 		*queue_ccb = 1;
2858 
2859 		break;
2860 	}
2861 	case DISK_ZONE_GET_PARAMS: {
2862 		struct disk_zone_disk_params *params;
2863 
2864 		params = &bp->bio_zone.zone_params.disk_params;
2865 		bzero(params, sizeof(*params));
2866 
2867 		switch (softc->zone_mode) {
2868 		case DA_ZONE_DRIVE_MANAGED:
2869 			params->zone_mode = DISK_ZONE_MODE_DRIVE_MANAGED;
2870 			break;
2871 		case DA_ZONE_HOST_AWARE:
2872 			params->zone_mode = DISK_ZONE_MODE_HOST_AWARE;
2873 			break;
2874 		case DA_ZONE_HOST_MANAGED:
2875 			params->zone_mode = DISK_ZONE_MODE_HOST_MANAGED;
2876 			break;
2877 		default:
2878 		case DA_ZONE_NONE:
2879 			params->zone_mode = DISK_ZONE_MODE_NONE;
2880 			break;
2881 		}
2882 
2883 		if (softc->zone_flags & DA_ZONE_FLAG_URSWRZ)
2884 			params->flags |= DISK_ZONE_DISK_URSWRZ;
2885 
2886 		if (softc->zone_flags & DA_ZONE_FLAG_OPT_SEQ_SET) {
2887 			params->optimal_seq_zones = softc->optimal_seq_zones;
2888 			params->flags |= DISK_ZONE_OPT_SEQ_SET;
2889 		}
2890 
2891 		if (softc->zone_flags & DA_ZONE_FLAG_OPT_NONSEQ_SET) {
2892 			params->optimal_nonseq_zones =
2893 			    softc->optimal_nonseq_zones;
2894 			params->flags |= DISK_ZONE_OPT_NONSEQ_SET;
2895 		}
2896 
2897 		if (softc->zone_flags & DA_ZONE_FLAG_MAX_SEQ_SET) {
2898 			params->max_seq_zones = softc->max_seq_zones;
2899 			params->flags |= DISK_ZONE_MAX_SEQ_SET;
2900 		}
2901 		if (softc->zone_flags & DA_ZONE_FLAG_RZ_SUP)
2902 			params->flags |= DISK_ZONE_RZ_SUP;
2903 
2904 		if (softc->zone_flags & DA_ZONE_FLAG_OPEN_SUP)
2905 			params->flags |= DISK_ZONE_OPEN_SUP;
2906 
2907 		if (softc->zone_flags & DA_ZONE_FLAG_CLOSE_SUP)
2908 			params->flags |= DISK_ZONE_CLOSE_SUP;
2909 
2910 		if (softc->zone_flags & DA_ZONE_FLAG_FINISH_SUP)
2911 			params->flags |= DISK_ZONE_FINISH_SUP;
2912 
2913 		if (softc->zone_flags & DA_ZONE_FLAG_RWP_SUP)
2914 			params->flags |= DISK_ZONE_RWP_SUP;
2915 		break;
2916 	}
2917 	default:
2918 		break;
2919 	}
2920 bailout:
2921 	return (error);
2922 }
2923 
2924 static void
2925 dastart(struct cam_periph *periph, union ccb *start_ccb)
2926 {
2927 	struct da_softc *softc;
2928 
2929 	softc = (struct da_softc *)periph->softc;
2930 
2931 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n"));
2932 
2933 skipstate:
2934 	switch (softc->state) {
2935 	case DA_STATE_NORMAL:
2936 	{
2937 		struct bio *bp;
2938 		uint8_t tag_code;
2939 
2940 more:
2941 		bp = cam_iosched_next_bio(softc->cam_iosched);
2942 		if (bp == NULL) {
2943 			if (cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR)) {
2944 				cam_iosched_clr_work_flags(softc->cam_iosched, DA_WORK_TUR);
2945 				scsi_test_unit_ready(&start_ccb->csio,
2946 				     /*retries*/ da_retry_count,
2947 				     dadone,
2948 				     MSG_SIMPLE_Q_TAG,
2949 				     SSD_FULL_SIZE,
2950 				     da_default_timeout * 1000);
2951 				start_ccb->ccb_h.ccb_bp = NULL;
2952 				start_ccb->ccb_h.ccb_state = DA_CCB_TUR;
2953 				xpt_action(start_ccb);
2954 			} else
2955 				xpt_release_ccb(start_ccb);
2956 			break;
2957 		}
2958 
2959 		if (bp->bio_cmd == BIO_DELETE) {
2960 			if (softc->delete_func != NULL) {
2961 				softc->delete_func(periph, start_ccb, bp);
2962 				goto out;
2963 			} else {
2964 				/* Not sure this is possible, but failsafe by lying and saying "sure, done." */
2965 				biofinish(bp, NULL, 0);
2966 				goto more;
2967 			}
2968 		}
2969 
2970 		if (cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR)) {
2971 			cam_iosched_clr_work_flags(softc->cam_iosched, DA_WORK_TUR);
2972 			cam_periph_release_locked(periph);	/* XXX is this still valid? I think so but unverified */
2973 		}
2974 
2975 		if ((bp->bio_flags & BIO_ORDERED) != 0 ||
2976 		    (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
2977 			softc->flags &= ~DA_FLAG_NEED_OTAG;
2978 			softc->flags |= DA_FLAG_WAS_OTAG;
2979 			tag_code = MSG_ORDERED_Q_TAG;
2980 		} else {
2981 			tag_code = MSG_SIMPLE_Q_TAG;
2982 		}
2983 
2984 		switch (bp->bio_cmd) {
2985 		case BIO_WRITE:
2986 		case BIO_READ:
2987 		{
2988 			void *data_ptr;
2989 			int rw_op;
2990 
2991 			biotrack(bp, __func__);
2992 
2993 			if (bp->bio_cmd == BIO_WRITE) {
2994 				softc->flags |= DA_FLAG_DIRTY;
2995 				rw_op = SCSI_RW_WRITE;
2996 			} else {
2997 				rw_op = SCSI_RW_READ;
2998 			}
2999 
3000 			data_ptr = bp->bio_data;
3001 			if ((bp->bio_flags & (BIO_UNMAPPED|BIO_VLIST)) != 0) {
3002 				rw_op |= SCSI_RW_BIO;
3003 				data_ptr = bp;
3004 			}
3005 
3006 			scsi_read_write(&start_ccb->csio,
3007 					/*retries*/da_retry_count,
3008 					/*cbfcnp*/dadone,
3009 					/*tag_action*/tag_code,
3010 					rw_op,
3011 					/*byte2*/0,
3012 					softc->minimum_cmd_size,
3013 					/*lba*/bp->bio_pblkno,
3014 					/*block_count*/bp->bio_bcount /
3015 					softc->params.secsize,
3016 					data_ptr,
3017 					/*dxfer_len*/ bp->bio_bcount,
3018 					/*sense_len*/SSD_FULL_SIZE,
3019 					da_default_timeout * 1000);
3020 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
3021 			start_ccb->csio.bio = bp;
3022 #endif
3023 			break;
3024 		}
3025 		case BIO_FLUSH:
3026 			/*
3027 			 * If we don't support sync cache, or the disk
3028 			 * isn't dirty, FLUSH is a no-op.  Use the
3029 			 * allocated * CCB for the next bio if one is
3030 			 * available.
3031 			 */
3032 			if ((softc->quirks & DA_Q_NO_SYNC_CACHE) != 0 ||
3033 			    (softc->flags & DA_FLAG_DIRTY) == 0) {
3034 				biodone(bp);
3035 				goto skipstate;
3036 			}
3037 
3038 			/*
3039 			 * BIO_FLUSH doesn't currently communicate
3040 			 * range data, so we synchronize the cache
3041 			 * over the whole disk.  We also force
3042 			 * ordered tag semantics the flush applies
3043 			 * to all previously queued I/O.
3044 			 */
3045 			scsi_synchronize_cache(&start_ccb->csio,
3046 					       /*retries*/1,
3047 					       /*cbfcnp*/dadone,
3048 					       MSG_ORDERED_Q_TAG,
3049 					       /*begin_lba*/0,
3050 					       /*lb_count*/0,
3051 					       SSD_FULL_SIZE,
3052 					       da_default_timeout*1000);
3053 			/*
3054 			 * Clear the dirty flag before sending the command.
3055 			 * Either this sync cache will be successful, or it
3056 			 * will fail after a retry.  If it fails, it is
3057 			 * unlikely to be successful if retried later, so
3058 			 * we'll save ourselves time by just marking the
3059 			 * device clean.
3060 			 */
3061 			softc->flags &= ~DA_FLAG_DIRTY;
3062 			break;
3063 		case BIO_ZONE: {
3064 			int error, queue_ccb;
3065 
3066 			queue_ccb = 0;
3067 
3068 			error = da_zone_cmd(periph, start_ccb, bp,&queue_ccb);
3069 			if ((error != 0)
3070 			 || (queue_ccb == 0)) {
3071 				biofinish(bp, NULL, error);
3072 				xpt_release_ccb(start_ccb);
3073 				return;
3074 			}
3075 			break;
3076 		}
3077 		}
3078 		start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
3079 		start_ccb->ccb_h.flags |= CAM_UNLOCKED;
3080 		start_ccb->ccb_h.softtimeout = sbttotv(da_default_softtimeout);
3081 
3082 out:
3083 		LIST_INSERT_HEAD(&softc->pending_ccbs,
3084 				 &start_ccb->ccb_h, periph_links.le);
3085 
3086 		/* We expect a unit attention from this device */
3087 		if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
3088 			start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
3089 			softc->flags &= ~DA_FLAG_RETRY_UA;
3090 		}
3091 
3092 		start_ccb->ccb_h.ccb_bp = bp;
3093 		softc->refcount++;
3094 		cam_periph_unlock(periph);
3095 		xpt_action(start_ccb);
3096 		cam_periph_lock(periph);
3097 		softc->refcount--;
3098 
3099 		/* May have more work to do, so ensure we stay scheduled */
3100 		daschedule(periph);
3101 		break;
3102 	}
3103 	case DA_STATE_PROBE_RC:
3104 	{
3105 		struct scsi_read_capacity_data *rcap;
3106 
3107 		rcap = (struct scsi_read_capacity_data *)
3108 		    malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO);
3109 		if (rcap == NULL) {
3110 			printf("dastart: Couldn't malloc read_capacity data\n");
3111 			/* da_free_periph??? */
3112 			break;
3113 		}
3114 		scsi_read_capacity(&start_ccb->csio,
3115 				   /*retries*/da_retry_count,
3116 				   dadone,
3117 				   MSG_SIMPLE_Q_TAG,
3118 				   rcap,
3119 				   SSD_FULL_SIZE,
3120 				   /*timeout*/5000);
3121 		start_ccb->ccb_h.ccb_bp = NULL;
3122 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC;
3123 		xpt_action(start_ccb);
3124 		break;
3125 	}
3126 	case DA_STATE_PROBE_RC16:
3127 	{
3128 		struct scsi_read_capacity_data_long *rcaplong;
3129 
3130 		rcaplong = (struct scsi_read_capacity_data_long *)
3131 			malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO);
3132 		if (rcaplong == NULL) {
3133 			printf("dastart: Couldn't malloc read_capacity data\n");
3134 			/* da_free_periph??? */
3135 			break;
3136 		}
3137 		scsi_read_capacity_16(&start_ccb->csio,
3138 				      /*retries*/ da_retry_count,
3139 				      /*cbfcnp*/ dadone,
3140 				      /*tag_action*/ MSG_SIMPLE_Q_TAG,
3141 				      /*lba*/ 0,
3142 				      /*reladr*/ 0,
3143 				      /*pmi*/ 0,
3144 				      /*rcap_buf*/ (uint8_t *)rcaplong,
3145 				      /*rcap_buf_len*/ sizeof(*rcaplong),
3146 				      /*sense_len*/ SSD_FULL_SIZE,
3147 				      /*timeout*/ da_default_timeout * 1000);
3148 		start_ccb->ccb_h.ccb_bp = NULL;
3149 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16;
3150 		xpt_action(start_ccb);
3151 		break;
3152 	}
3153 	case DA_STATE_PROBE_LBP:
3154 	{
3155 		struct scsi_vpd_logical_block_prov *lbp;
3156 
3157 		if (!scsi_vpd_supported_page(periph, SVPD_LBP)) {
3158 			/*
3159 			 * If we get here we don't support any SBC-3 delete
3160 			 * methods with UNMAP as the Logical Block Provisioning
3161 			 * VPD page support is required for devices which
3162 			 * support it according to T10/1799-D Revision 31
3163 			 * however older revisions of the spec don't mandate
3164 			 * this so we currently don't remove these methods
3165 			 * from the available set.
3166 			 */
3167 			softc->state = DA_STATE_PROBE_BLK_LIMITS;
3168 			goto skipstate;
3169 		}
3170 
3171 		lbp = (struct scsi_vpd_logical_block_prov *)
3172 			malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO);
3173 
3174 		if (lbp == NULL) {
3175 			printf("dastart: Couldn't malloc lbp data\n");
3176 			/* da_free_periph??? */
3177 			break;
3178 		}
3179 
3180 		scsi_inquiry(&start_ccb->csio,
3181 			     /*retries*/da_retry_count,
3182 			     /*cbfcnp*/dadone,
3183 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3184 			     /*inq_buf*/(u_int8_t *)lbp,
3185 			     /*inq_len*/sizeof(*lbp),
3186 			     /*evpd*/TRUE,
3187 			     /*page_code*/SVPD_LBP,
3188 			     /*sense_len*/SSD_MIN_SIZE,
3189 			     /*timeout*/da_default_timeout * 1000);
3190 		start_ccb->ccb_h.ccb_bp = NULL;
3191 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP;
3192 		xpt_action(start_ccb);
3193 		break;
3194 	}
3195 	case DA_STATE_PROBE_BLK_LIMITS:
3196 	{
3197 		struct scsi_vpd_block_limits *block_limits;
3198 
3199 		if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) {
3200 			/* Not supported skip to next probe */
3201 			softc->state = DA_STATE_PROBE_BDC;
3202 			goto skipstate;
3203 		}
3204 
3205 		block_limits = (struct scsi_vpd_block_limits *)
3206 			malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO);
3207 
3208 		if (block_limits == NULL) {
3209 			printf("dastart: Couldn't malloc block_limits data\n");
3210 			/* da_free_periph??? */
3211 			break;
3212 		}
3213 
3214 		scsi_inquiry(&start_ccb->csio,
3215 			     /*retries*/da_retry_count,
3216 			     /*cbfcnp*/dadone,
3217 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3218 			     /*inq_buf*/(u_int8_t *)block_limits,
3219 			     /*inq_len*/sizeof(*block_limits),
3220 			     /*evpd*/TRUE,
3221 			     /*page_code*/SVPD_BLOCK_LIMITS,
3222 			     /*sense_len*/SSD_MIN_SIZE,
3223 			     /*timeout*/da_default_timeout * 1000);
3224 		start_ccb->ccb_h.ccb_bp = NULL;
3225 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS;
3226 		xpt_action(start_ccb);
3227 		break;
3228 	}
3229 	case DA_STATE_PROBE_BDC:
3230 	{
3231 		struct scsi_vpd_block_characteristics *bdc;
3232 
3233 		if (!scsi_vpd_supported_page(periph, SVPD_BDC)) {
3234 			softc->state = DA_STATE_PROBE_ATA;
3235 			goto skipstate;
3236 		}
3237 
3238 		bdc = (struct scsi_vpd_block_characteristics *)
3239 			malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
3240 
3241 		if (bdc == NULL) {
3242 			printf("dastart: Couldn't malloc bdc data\n");
3243 			/* da_free_periph??? */
3244 			break;
3245 		}
3246 
3247 		scsi_inquiry(&start_ccb->csio,
3248 			     /*retries*/da_retry_count,
3249 			     /*cbfcnp*/dadone,
3250 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3251 			     /*inq_buf*/(u_int8_t *)bdc,
3252 			     /*inq_len*/sizeof(*bdc),
3253 			     /*evpd*/TRUE,
3254 			     /*page_code*/SVPD_BDC,
3255 			     /*sense_len*/SSD_MIN_SIZE,
3256 			     /*timeout*/da_default_timeout * 1000);
3257 		start_ccb->ccb_h.ccb_bp = NULL;
3258 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC;
3259 		xpt_action(start_ccb);
3260 		break;
3261 	}
3262 	case DA_STATE_PROBE_ATA:
3263 	{
3264 		struct ata_params *ata_params;
3265 
3266 		if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
3267 			if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
3268 			 || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
3269 				/*
3270 				 * Note that if the ATA VPD page isn't
3271 				 * supported, we aren't talking to an ATA
3272 				 * device anyway.  Support for that VPD
3273 				 * page is mandatory for SCSI to ATA (SAT)
3274 				 * translation layers.
3275 				 */
3276 				softc->state = DA_STATE_PROBE_ZONE;
3277 				goto skipstate;
3278 			}
3279 			daprobedone(periph, start_ccb);
3280 			break;
3281 		}
3282 
3283 		ata_params = (struct ata_params*)
3284 			malloc(sizeof(*ata_params), M_SCSIDA,M_NOWAIT|M_ZERO);
3285 
3286 		if (ata_params == NULL) {
3287 			xpt_print(periph->path, "Couldn't malloc ata_params "
3288 			    "data\n");
3289 			/* da_free_periph??? */
3290 			break;
3291 		}
3292 
3293 		scsi_ata_identify(&start_ccb->csio,
3294 				  /*retries*/da_retry_count,
3295 				  /*cbfcnp*/dadone,
3296                                   /*tag_action*/MSG_SIMPLE_Q_TAG,
3297 				  /*data_ptr*/(u_int8_t *)ata_params,
3298 				  /*dxfer_len*/sizeof(*ata_params),
3299 				  /*sense_len*/SSD_FULL_SIZE,
3300 				  /*timeout*/da_default_timeout * 1000);
3301 		start_ccb->ccb_h.ccb_bp = NULL;
3302 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA;
3303 		xpt_action(start_ccb);
3304 		break;
3305 	}
3306 	case DA_STATE_PROBE_ATA_LOGDIR:
3307 	{
3308 		struct ata_gp_log_dir *log_dir;
3309 		int retval;
3310 
3311 		retval = 0;
3312 
3313 		if ((softc->flags & DA_FLAG_CAN_ATA_LOG) == 0) {
3314 			/*
3315 			 * If we don't have log support, not much point in
3316 			 * trying to probe zone support.
3317 			 */
3318 			daprobedone(periph, start_ccb);
3319 			break;
3320 		}
3321 
3322 		/*
3323 		 * If we have an ATA device (the SCSI ATA Information VPD
3324 		 * page should be present and the ATA identify should have
3325 		 * succeeded) and it supports logs, ask for the log directory.
3326 		 */
3327 
3328 		log_dir = malloc(sizeof(*log_dir), M_SCSIDA, M_NOWAIT|M_ZERO);
3329 		if (log_dir == NULL) {
3330 			xpt_print(periph->path, "Couldn't malloc log_dir "
3331 			    "data\n");
3332 			daprobedone(periph, start_ccb);
3333 			break;
3334 		}
3335 
3336 		retval = scsi_ata_read_log(&start_ccb->csio,
3337 		    /*retries*/ da_retry_count,
3338 		    /*cbfcnp*/ dadone,
3339 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3340 		    /*log_address*/ ATA_LOG_DIRECTORY,
3341 		    /*page_number*/ 0,
3342 		    /*block_count*/ 1,
3343 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3344 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3345 		    /*data_ptr*/ (uint8_t *)log_dir,
3346 		    /*dxfer_len*/ sizeof(*log_dir),
3347 		    /*sense_len*/ SSD_FULL_SIZE,
3348 		    /*timeout*/ da_default_timeout * 1000);
3349 
3350 		if (retval != 0) {
3351 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3352 			free(log_dir, M_SCSIDA);
3353 			daprobedone(periph, start_ccb);
3354 			break;
3355 		}
3356 		start_ccb->ccb_h.ccb_bp = NULL;
3357 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_LOGDIR;
3358 		xpt_action(start_ccb);
3359 		break;
3360 	}
3361 	case DA_STATE_PROBE_ATA_IDDIR:
3362 	{
3363 		struct ata_identify_log_pages *id_dir;
3364 		int retval;
3365 
3366 		retval = 0;
3367 
3368 		/*
3369 		 * Check here to see whether the Identify Device log is
3370 		 * supported in the directory of logs.  If so, continue
3371 		 * with requesting the log of identify device pages.
3372 		 */
3373 		if ((softc->flags & DA_FLAG_CAN_ATA_IDLOG) == 0) {
3374 			daprobedone(periph, start_ccb);
3375 			break;
3376 		}
3377 
3378 		id_dir = malloc(sizeof(*id_dir), M_SCSIDA, M_NOWAIT | M_ZERO);
3379 		if (id_dir == NULL) {
3380 			xpt_print(periph->path, "Couldn't malloc id_dir "
3381 			    "data\n");
3382 			daprobedone(periph, start_ccb);
3383 			break;
3384 		}
3385 
3386 		retval = scsi_ata_read_log(&start_ccb->csio,
3387 		    /*retries*/ da_retry_count,
3388 		    /*cbfcnp*/ dadone,
3389 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3390 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3391 		    /*page_number*/ ATA_IDL_PAGE_LIST,
3392 		    /*block_count*/ 1,
3393 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3394 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3395 		    /*data_ptr*/ (uint8_t *)id_dir,
3396 		    /*dxfer_len*/ sizeof(*id_dir),
3397 		    /*sense_len*/ SSD_FULL_SIZE,
3398 		    /*timeout*/ da_default_timeout * 1000);
3399 
3400 		if (retval != 0) {
3401 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3402 			free(id_dir, M_SCSIDA);
3403 			daprobedone(periph, start_ccb);
3404 			break;
3405 		}
3406 		start_ccb->ccb_h.ccb_bp = NULL;
3407 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_IDDIR;
3408 		xpt_action(start_ccb);
3409 		break;
3410 	}
3411 	case DA_STATE_PROBE_ATA_SUP:
3412 	{
3413 		struct ata_identify_log_sup_cap *sup_cap;
3414 		int retval;
3415 
3416 		retval = 0;
3417 
3418 		/*
3419 		 * Check here to see whether the Supported Capabilities log
3420 		 * is in the list of Identify Device logs.
3421 		 */
3422 		if ((softc->flags & DA_FLAG_CAN_ATA_SUPCAP) == 0) {
3423 			daprobedone(periph, start_ccb);
3424 			break;
3425 		}
3426 
3427 		sup_cap = malloc(sizeof(*sup_cap), M_SCSIDA, M_NOWAIT|M_ZERO);
3428 		if (sup_cap == NULL) {
3429 			xpt_print(periph->path, "Couldn't malloc sup_cap "
3430 			    "data\n");
3431 			daprobedone(periph, start_ccb);
3432 			break;
3433 		}
3434 
3435 		retval = scsi_ata_read_log(&start_ccb->csio,
3436 		    /*retries*/ da_retry_count,
3437 		    /*cbfcnp*/ dadone,
3438 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3439 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3440 		    /*page_number*/ ATA_IDL_SUP_CAP,
3441 		    /*block_count*/ 1,
3442 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3443 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3444 		    /*data_ptr*/ (uint8_t *)sup_cap,
3445 		    /*dxfer_len*/ sizeof(*sup_cap),
3446 		    /*sense_len*/ SSD_FULL_SIZE,
3447 		    /*timeout*/ da_default_timeout * 1000);
3448 
3449 		if (retval != 0) {
3450 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3451 			free(sup_cap, M_SCSIDA);
3452 			daprobedone(periph, start_ccb);
3453 			break;
3454 
3455 		}
3456 
3457 		start_ccb->ccb_h.ccb_bp = NULL;
3458 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_SUP;
3459 		xpt_action(start_ccb);
3460 		break;
3461 	}
3462 	case DA_STATE_PROBE_ATA_ZONE:
3463 	{
3464 		struct ata_zoned_info_log *ata_zone;
3465 		int retval;
3466 
3467 		retval = 0;
3468 
3469 		/*
3470 		 * Check here to see whether the zoned device information
3471 		 * page is supported.  If so, continue on to request it.
3472 		 * If not, skip to DA_STATE_PROBE_LOG or done.
3473 		 */
3474 		if ((softc->flags & DA_FLAG_CAN_ATA_ZONE) == 0) {
3475 			daprobedone(periph, start_ccb);
3476 			break;
3477 		}
3478 		ata_zone = malloc(sizeof(*ata_zone), M_SCSIDA,
3479 				  M_NOWAIT|M_ZERO);
3480 		if (ata_zone == NULL) {
3481 			xpt_print(periph->path, "Couldn't malloc ata_zone "
3482 			    "data\n");
3483 			daprobedone(periph, start_ccb);
3484 			break;
3485 		}
3486 
3487 		retval = scsi_ata_read_log(&start_ccb->csio,
3488 		    /*retries*/ da_retry_count,
3489 		    /*cbfcnp*/ dadone,
3490 		    /*tag_action*/ MSG_SIMPLE_Q_TAG,
3491 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3492 		    /*page_number*/ ATA_IDL_ZDI,
3493 		    /*block_count*/ 1,
3494 		    /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3495 				 AP_PROTO_DMA : AP_PROTO_PIO_IN,
3496 		    /*data_ptr*/ (uint8_t *)ata_zone,
3497 		    /*dxfer_len*/ sizeof(*ata_zone),
3498 		    /*sense_len*/ SSD_FULL_SIZE,
3499 		    /*timeout*/ da_default_timeout * 1000);
3500 
3501 		if (retval != 0) {
3502 			xpt_print(periph->path, "scsi_ata_read_log() failed!");
3503 			free(ata_zone, M_SCSIDA);
3504 			daprobedone(periph, start_ccb);
3505 			break;
3506 		}
3507 		start_ccb->ccb_h.ccb_bp = NULL;
3508 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_ZONE;
3509 		xpt_action(start_ccb);
3510 
3511 		break;
3512 	}
3513 	case DA_STATE_PROBE_ZONE:
3514 	{
3515 		struct scsi_vpd_zoned_bdc *bdc;
3516 
3517 		/*
3518 		 * Note that this page will be supported for SCSI protocol
3519 		 * devices that support ZBC (SMR devices), as well as ATA
3520 		 * protocol devices that are behind a SAT (SCSI to ATA
3521 		 * Translation) layer that supports converting ZBC commands
3522 		 * to their ZAC equivalents.
3523 		 */
3524 		if (!scsi_vpd_supported_page(periph, SVPD_ZONED_BDC)) {
3525 			daprobedone(periph, start_ccb);
3526 			break;
3527 		}
3528 		bdc = (struct scsi_vpd_zoned_bdc *)
3529 			malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
3530 
3531 		if (bdc == NULL) {
3532 			xpt_release_ccb(start_ccb);
3533 			xpt_print(periph->path, "Couldn't malloc zone VPD "
3534 			    "data\n");
3535 			break;
3536 		}
3537 		scsi_inquiry(&start_ccb->csio,
3538 			     /*retries*/da_retry_count,
3539 			     /*cbfcnp*/dadone,
3540 			     /*tag_action*/MSG_SIMPLE_Q_TAG,
3541 			     /*inq_buf*/(u_int8_t *)bdc,
3542 			     /*inq_len*/sizeof(*bdc),
3543 			     /*evpd*/TRUE,
3544 			     /*page_code*/SVPD_ZONED_BDC,
3545 			     /*sense_len*/SSD_FULL_SIZE,
3546 			     /*timeout*/da_default_timeout * 1000);
3547 		start_ccb->ccb_h.ccb_bp = NULL;
3548 		start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ZONE;
3549 		xpt_action(start_ccb);
3550 		break;
3551 	}
3552 	}
3553 }
3554 
3555 /*
3556  * In each of the methods below, while its the caller's
3557  * responsibility to ensure the request will fit into a
3558  * single device request, we might have changed the delete
3559  * method due to the device incorrectly advertising either
3560  * its supported methods or limits.
3561  *
3562  * To prevent this causing further issues we validate the
3563  * against the methods limits, and warn which would
3564  * otherwise be unnecessary.
3565  */
3566 static void
3567 da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
3568 {
3569 	struct da_softc *softc = (struct da_softc *)periph->softc;;
3570 	struct bio *bp1;
3571 	uint8_t *buf = softc->unmap_buf;
3572 	struct scsi_unmap_desc *d = (void *)&buf[UNMAP_HEAD_SIZE];
3573 	uint64_t lba, lastlba = (uint64_t)-1;
3574 	uint64_t totalcount = 0;
3575 	uint64_t count;
3576 	uint32_t c, lastcount = 0, ranges = 0;
3577 
3578 	/*
3579 	 * Currently this doesn't take the UNMAP
3580 	 * Granularity and Granularity Alignment
3581 	 * fields into account.
3582 	 *
3583 	 * This could result in both unoptimal unmap
3584 	 * requests as as well as UNMAP calls unmapping
3585 	 * fewer LBA's than requested.
3586 	 */
3587 
3588 	bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
3589 	bp1 = bp;
3590 	do {
3591 		/*
3592 		 * Note: ada and da are different in how they store the
3593 		 * pending bp's in a trim. ada stores all of them in the
3594 		 * trim_req.bps. da stores all but the first one in the
3595 		 * delete_run_queue. ada then completes all the bps in
3596 		 * its adadone() loop. da completes all the bps in the
3597 		 * delete_run_queue in dadone, and relies on the biodone
3598 		 * after to complete. This should be reconciled since there's
3599 		 * no real reason to do it differently. XXX
3600 		 */
3601 		if (bp1 != bp)
3602 			bioq_insert_tail(&softc->delete_run_queue, bp1);
3603 		lba = bp1->bio_pblkno;
3604 		count = bp1->bio_bcount / softc->params.secsize;
3605 
3606 		/* Try to extend the previous range. */
3607 		if (lba == lastlba) {
3608 			c = omin(count, UNMAP_RANGE_MAX - lastcount);
3609 			lastlba += c;
3610 			lastcount += c;
3611 			scsi_ulto4b(lastcount, d[ranges - 1].length);
3612 			count -= c;
3613 			lba += c;
3614 			totalcount += c;
3615 		} else if ((softc->quirks & DA_Q_STRICT_UNMAP) &&
3616 		    softc->unmap_gran != 0) {
3617 			/* Align length of the previous range. */
3618 			if ((c = lastcount % softc->unmap_gran) != 0) {
3619 				if (lastcount <= c) {
3620 					totalcount -= lastcount;
3621 					lastlba = (uint64_t)-1;
3622 					lastcount = 0;
3623 					ranges--;
3624 				} else {
3625 					totalcount -= c;
3626 					lastlba -= c;
3627 					lastcount -= c;
3628 					scsi_ulto4b(lastcount, d[ranges - 1].length);
3629 				}
3630 			}
3631 			/* Align beginning of the new range. */
3632 			c = (lba - softc->unmap_gran_align) % softc->unmap_gran;
3633 			if (c != 0) {
3634 				c = softc->unmap_gran - c;
3635 				if (count <= c) {
3636 					count = 0;
3637 				} else {
3638 					lba += c;
3639 					count -= c;
3640 				}
3641 			}
3642 		}
3643 
3644 		while (count > 0) {
3645 			c = omin(count, UNMAP_RANGE_MAX);
3646 			if (totalcount + c > softc->unmap_max_lba ||
3647 			    ranges >= softc->unmap_max_ranges) {
3648 				xpt_print(periph->path,
3649 				    "%s issuing short delete %ld > %ld"
3650 				    "|| %d >= %d",
3651 				    da_delete_method_desc[softc->delete_method],
3652 				    totalcount + c, softc->unmap_max_lba,
3653 				    ranges, softc->unmap_max_ranges);
3654 				break;
3655 			}
3656 			scsi_u64to8b(lba, d[ranges].lba);
3657 			scsi_ulto4b(c, d[ranges].length);
3658 			lba += c;
3659 			totalcount += c;
3660 			ranges++;
3661 			count -= c;
3662 			lastlba = lba;
3663 			lastcount = c;
3664 		}
3665 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
3666 		if (bp1 == NULL)
3667 			break;
3668 		if (ranges >= softc->unmap_max_ranges ||
3669 		    totalcount + bp1->bio_bcount /
3670 		    softc->params.secsize > softc->unmap_max_lba) {
3671 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
3672 			break;
3673 		}
3674 	} while (1);
3675 
3676 	/* Align length of the last range. */
3677 	if ((softc->quirks & DA_Q_STRICT_UNMAP) && softc->unmap_gran != 0 &&
3678 	    (c = lastcount % softc->unmap_gran) != 0) {
3679 		if (lastcount <= c)
3680 			ranges--;
3681 		else
3682 			scsi_ulto4b(lastcount - c, d[ranges - 1].length);
3683 	}
3684 
3685 	scsi_ulto2b(ranges * 16 + 6, &buf[0]);
3686 	scsi_ulto2b(ranges * 16, &buf[2]);
3687 
3688 	scsi_unmap(&ccb->csio,
3689 		   /*retries*/da_retry_count,
3690 		   /*cbfcnp*/dadone,
3691 		   /*tag_action*/MSG_SIMPLE_Q_TAG,
3692 		   /*byte2*/0,
3693 		   /*data_ptr*/ buf,
3694 		   /*dxfer_len*/ ranges * 16 + 8,
3695 		   /*sense_len*/SSD_FULL_SIZE,
3696 		   da_default_timeout * 1000);
3697 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
3698 	ccb->ccb_h.flags |= CAM_UNLOCKED;
3699 	cam_iosched_submit_trim(softc->cam_iosched);
3700 }
3701 
3702 static void
3703 da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
3704 {
3705 	struct da_softc *softc = (struct da_softc *)periph->softc;
3706 	struct bio *bp1;
3707 	uint8_t *buf = softc->unmap_buf;
3708 	uint64_t lastlba = (uint64_t)-1;
3709 	uint64_t count;
3710 	uint64_t lba;
3711 	uint32_t lastcount = 0, c, requestcount;
3712 	int ranges = 0, off, block_count;
3713 
3714 	bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
3715 	bp1 = bp;
3716 	do {
3717 		if (bp1 != bp)//XXX imp XXX
3718 			bioq_insert_tail(&softc->delete_run_queue, bp1);
3719 		lba = bp1->bio_pblkno;
3720 		count = bp1->bio_bcount / softc->params.secsize;
3721 		requestcount = count;
3722 
3723 		/* Try to extend the previous range. */
3724 		if (lba == lastlba) {
3725 			c = omin(count, ATA_DSM_RANGE_MAX - lastcount);
3726 			lastcount += c;
3727 			off = (ranges - 1) * 8;
3728 			buf[off + 6] = lastcount & 0xff;
3729 			buf[off + 7] = (lastcount >> 8) & 0xff;
3730 			count -= c;
3731 			lba += c;
3732 		}
3733 
3734 		while (count > 0) {
3735 			c = omin(count, ATA_DSM_RANGE_MAX);
3736 			off = ranges * 8;
3737 
3738 			buf[off + 0] = lba & 0xff;
3739 			buf[off + 1] = (lba >> 8) & 0xff;
3740 			buf[off + 2] = (lba >> 16) & 0xff;
3741 			buf[off + 3] = (lba >> 24) & 0xff;
3742 			buf[off + 4] = (lba >> 32) & 0xff;
3743 			buf[off + 5] = (lba >> 40) & 0xff;
3744 			buf[off + 6] = c & 0xff;
3745 			buf[off + 7] = (c >> 8) & 0xff;
3746 			lba += c;
3747 			ranges++;
3748 			count -= c;
3749 			lastcount = c;
3750 			if (count != 0 && ranges == softc->trim_max_ranges) {
3751 				xpt_print(periph->path,
3752 				    "%s issuing short delete %ld > %ld\n",
3753 				    da_delete_method_desc[softc->delete_method],
3754 				    requestcount,
3755 				    (softc->trim_max_ranges - ranges) *
3756 				    ATA_DSM_RANGE_MAX);
3757 				break;
3758 			}
3759 		}
3760 		lastlba = lba;
3761 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
3762 		if (bp1 == NULL)
3763 			break;
3764 		if (bp1->bio_bcount / softc->params.secsize >
3765 		    (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) {
3766 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
3767 			break;
3768 		}
3769 	} while (1);
3770 
3771 	block_count = howmany(ranges, ATA_DSM_BLK_RANGES);
3772 	scsi_ata_trim(&ccb->csio,
3773 		      /*retries*/da_retry_count,
3774 		      /*cbfcnp*/dadone,
3775 		      /*tag_action*/MSG_SIMPLE_Q_TAG,
3776 		      block_count,
3777 		      /*data_ptr*/buf,
3778 		      /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE,
3779 		      /*sense_len*/SSD_FULL_SIZE,
3780 		      da_default_timeout * 1000);
3781 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
3782 	ccb->ccb_h.flags |= CAM_UNLOCKED;
3783 	cam_iosched_submit_trim(softc->cam_iosched);
3784 }
3785 
3786 /*
3787  * We calculate ws_max_blks here based off d_delmaxsize instead
3788  * of using softc->ws_max_blks as it is absolute max for the
3789  * device not the protocol max which may well be lower.
3790  */
3791 static void
3792 da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
3793 {
3794 	struct da_softc *softc;
3795 	struct bio *bp1;
3796 	uint64_t ws_max_blks;
3797 	uint64_t lba;
3798 	uint64_t count; /* forward compat with WS32 */
3799 
3800 	softc = (struct da_softc *)periph->softc;
3801 	ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize;
3802 	lba = bp->bio_pblkno;
3803 	count = 0;
3804 	bp1 = bp;
3805 	do {
3806 		if (bp1 != bp)//XXX imp XXX
3807 			bioq_insert_tail(&softc->delete_run_queue, bp1);
3808 		count += bp1->bio_bcount / softc->params.secsize;
3809 		if (count > ws_max_blks) {
3810 			xpt_print(periph->path,
3811 			    "%s issuing short delete %ld > %ld\n",
3812 			    da_delete_method_desc[softc->delete_method],
3813 			    count, ws_max_blks);
3814 			count = omin(count, ws_max_blks);
3815 			break;
3816 		}
3817 		bp1 = cam_iosched_next_trim(softc->cam_iosched);
3818 		if (bp1 == NULL)
3819 			break;
3820 		if (lba + count != bp1->bio_pblkno ||
3821 		    count + bp1->bio_bcount /
3822 		    softc->params.secsize > ws_max_blks) {
3823 			cam_iosched_put_back_trim(softc->cam_iosched, bp1);
3824 			break;
3825 		}
3826 	} while (1);
3827 
3828 	scsi_write_same(&ccb->csio,
3829 			/*retries*/da_retry_count,
3830 			/*cbfcnp*/dadone,
3831 			/*tag_action*/MSG_SIMPLE_Q_TAG,
3832 			/*byte2*/softc->delete_method ==
3833 			    DA_DELETE_ZERO ? 0 : SWS_UNMAP,
3834 			softc->delete_method == DA_DELETE_WS16 ? 16 : 10,
3835 			/*lba*/lba,
3836 			/*block_count*/count,
3837 			/*data_ptr*/ __DECONST(void *, zero_region),
3838 			/*dxfer_len*/ softc->params.secsize,
3839 			/*sense_len*/SSD_FULL_SIZE,
3840 			da_default_timeout * 1000);
3841 	ccb->ccb_h.ccb_state = DA_CCB_DELETE;
3842 	ccb->ccb_h.flags |= CAM_UNLOCKED;
3843 	cam_iosched_submit_trim(softc->cam_iosched);
3844 }
3845 
3846 static int
3847 cmd6workaround(union ccb *ccb)
3848 {
3849 	struct scsi_rw_6 cmd6;
3850 	struct scsi_rw_10 *cmd10;
3851 	struct da_softc *softc;
3852 	u_int8_t *cdb;
3853 	struct bio *bp;
3854 	int frozen;
3855 
3856 	cdb = ccb->csio.cdb_io.cdb_bytes;
3857 	softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
3858 
3859 	if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) {
3860 		da_delete_methods old_method = softc->delete_method;
3861 
3862 		/*
3863 		 * Typically there are two reasons for failure here
3864 		 * 1. Delete method was detected as supported but isn't
3865 		 * 2. Delete failed due to invalid params e.g. too big
3866 		 *
3867 		 * While we will attempt to choose an alternative delete method
3868 		 * this may result in short deletes if the existing delete
3869 		 * requests from geom are big for the new method chosen.
3870 		 *
3871 		 * This method assumes that the error which triggered this
3872 		 * will not retry the io otherwise a panic will occur
3873 		 */
3874 		dadeleteflag(softc, old_method, 0);
3875 		dadeletemethodchoose(softc, DA_DELETE_DISABLE);
3876 		if (softc->delete_method == DA_DELETE_DISABLE)
3877 			xpt_print(ccb->ccb_h.path,
3878 				  "%s failed, disabling BIO_DELETE\n",
3879 				  da_delete_method_desc[old_method]);
3880 		else
3881 			xpt_print(ccb->ccb_h.path,
3882 				  "%s failed, switching to %s BIO_DELETE\n",
3883 				  da_delete_method_desc[old_method],
3884 				  da_delete_method_desc[softc->delete_method]);
3885 
3886 		while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL)
3887 			cam_iosched_queue_work(softc->cam_iosched, bp);
3888 		cam_iosched_queue_work(softc->cam_iosched,
3889 		    (struct bio *)ccb->ccb_h.ccb_bp);
3890 		ccb->ccb_h.ccb_bp = NULL;
3891 		return (0);
3892 	}
3893 
3894 	/* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */
3895 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
3896 	    (*cdb == PREVENT_ALLOW) &&
3897 	    (softc->quirks & DA_Q_NO_PREVENT) == 0) {
3898 		if (bootverbose)
3899 			xpt_print(ccb->ccb_h.path,
3900 			    "PREVENT ALLOW MEDIUM REMOVAL not supported.\n");
3901 		softc->quirks |= DA_Q_NO_PREVENT;
3902 		return (0);
3903 	}
3904 
3905 	/* Detect unsupported SYNCHRONIZE CACHE(10). */
3906 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
3907 	    (*cdb == SYNCHRONIZE_CACHE) &&
3908 	    (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
3909 		if (bootverbose)
3910 			xpt_print(ccb->ccb_h.path,
3911 			    "SYNCHRONIZE CACHE(10) not supported.\n");
3912 		softc->quirks |= DA_Q_NO_SYNC_CACHE;
3913 		softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE;
3914 		return (0);
3915 	}
3916 
3917 	/* Translation only possible if CDB is an array and cmd is R/W6 */
3918 	if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
3919 	    (*cdb != READ_6 && *cdb != WRITE_6))
3920 		return 0;
3921 
3922 	xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, "
3923 	    "increasing minimum_cmd_size to 10.\n");
3924  	softc->minimum_cmd_size = 10;
3925 
3926 	bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
3927 	cmd10 = (struct scsi_rw_10 *)cdb;
3928 	cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
3929 	cmd10->byte2 = 0;
3930 	scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
3931 	cmd10->reserved = 0;
3932 	scsi_ulto2b(cmd6.length, cmd10->length);
3933 	cmd10->control = cmd6.control;
3934 	ccb->csio.cdb_len = sizeof(*cmd10);
3935 
3936 	/* Requeue request, unfreezing queue if necessary */
3937 	frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
3938  	ccb->ccb_h.status = CAM_REQUEUE_REQ;
3939 	xpt_action(ccb);
3940 	if (frozen) {
3941 		cam_release_devq(ccb->ccb_h.path,
3942 				 /*relsim_flags*/0,
3943 				 /*reduction*/0,
3944 				 /*timeout*/0,
3945 				 /*getcount_only*/0);
3946 	}
3947 	return (ERESTART);
3948 }
3949 
3950 static void
3951 dazonedone(struct cam_periph *periph, union ccb *ccb)
3952 {
3953 	struct da_softc *softc;
3954 	struct bio *bp;
3955 
3956 	softc = periph->softc;
3957 	bp = (struct bio *)ccb->ccb_h.ccb_bp;
3958 
3959 	switch (bp->bio_zone.zone_cmd) {
3960 	case DISK_ZONE_OPEN:
3961 	case DISK_ZONE_CLOSE:
3962 	case DISK_ZONE_FINISH:
3963 	case DISK_ZONE_RWP:
3964 		break;
3965 	case DISK_ZONE_REPORT_ZONES: {
3966 		uint32_t avail_len;
3967 		struct disk_zone_report *rep;
3968 		struct scsi_report_zones_hdr *hdr;
3969 		struct scsi_report_zones_desc *desc;
3970 		struct disk_zone_rep_entry *entry;
3971 		uint32_t hdr_len, num_avail;
3972 		uint32_t num_to_fill, i;
3973 		int ata;
3974 
3975 		rep = &bp->bio_zone.zone_params.report;
3976 		avail_len = ccb->csio.dxfer_len - ccb->csio.resid;
3977 		/*
3978 		 * Note that bio_resid isn't normally used for zone
3979 		 * commands, but it is used by devstat_end_transaction_bio()
3980 		 * to determine how much data was transferred.  Because
3981 		 * the size of the SCSI/ATA data structures is different
3982 		 * than the size of the BIO interface structures, the
3983 		 * amount of data actually transferred from the drive will
3984 		 * be different than the amount of data transferred to
3985 		 * the user.
3986 		 */
3987 		bp->bio_resid = ccb->csio.resid;
3988 		hdr = (struct scsi_report_zones_hdr *)ccb->csio.data_ptr;
3989 		if (avail_len < sizeof(*hdr)) {
3990 			/*
3991 			 * Is there a better error than EIO here?  We asked
3992 			 * for at least the header, and we got less than
3993 			 * that.
3994 			 */
3995 			bp->bio_error = EIO;
3996 			bp->bio_flags |= BIO_ERROR;
3997 			bp->bio_resid = bp->bio_bcount;
3998 			break;
3999 		}
4000 
4001 		if (softc->zone_interface == DA_ZONE_IF_ATA_PASS)
4002 			ata = 1;
4003 		else
4004 			ata = 0;
4005 
4006 		hdr_len = ata ? le32dec(hdr->length) :
4007 				scsi_4btoul(hdr->length);
4008 		if (hdr_len > 0)
4009 			rep->entries_available = hdr_len / sizeof(*desc);
4010 		else
4011 			rep->entries_available = 0;
4012 		/*
4013 		 * NOTE: using the same values for the BIO version of the
4014 		 * same field as the SCSI/ATA values.  This means we could
4015 		 * get some additional values that aren't defined in bio.h
4016 		 * if more values of the same field are defined later.
4017 		 */
4018 		rep->header.same = hdr->byte4 & SRZ_SAME_MASK;
4019 		rep->header.maximum_lba = ata ?  le64dec(hdr->maximum_lba) :
4020 					  scsi_8btou64(hdr->maximum_lba);
4021 		/*
4022 		 * If the drive reports no entries that match the query,
4023 		 * we're done.
4024 		 */
4025 		if (hdr_len == 0) {
4026 			rep->entries_filled = 0;
4027 			break;
4028 		}
4029 
4030 		num_avail = min((avail_len - sizeof(*hdr)) / sizeof(*desc),
4031 				hdr_len / sizeof(*desc));
4032 		/*
4033 		 * If the drive didn't return any data, then we're done.
4034 		 */
4035 		if (num_avail == 0) {
4036 			rep->entries_filled = 0;
4037 			break;
4038 		}
4039 
4040 		num_to_fill = min(num_avail, rep->entries_allocated);
4041 		/*
4042 		 * If the user didn't allocate any entries for us to fill,
4043 		 * we're done.
4044 		 */
4045 		if (num_to_fill == 0) {
4046 			rep->entries_filled = 0;
4047 			break;
4048 		}
4049 
4050 		for (i = 0, desc = &hdr->desc_list[0], entry=&rep->entries[0];
4051 		     i < num_to_fill; i++, desc++, entry++) {
4052 			/*
4053 			 * NOTE: we're mapping the values here directly
4054 			 * from the SCSI/ATA bit definitions to the bio.h
4055 			 * definitons.  There is also a warning in
4056 			 * disk_zone.h, but the impact is that if
4057 			 * additional values are added in the SCSI/ATA
4058 			 * specs these will be visible to consumers of
4059 			 * this interface.
4060 			 */
4061 			entry->zone_type = desc->zone_type & SRZ_TYPE_MASK;
4062 			entry->zone_condition =
4063 			    (desc->zone_flags & SRZ_ZONE_COND_MASK) >>
4064 			    SRZ_ZONE_COND_SHIFT;
4065 			entry->zone_flags |= desc->zone_flags &
4066 			    (SRZ_ZONE_NON_SEQ|SRZ_ZONE_RESET);
4067 			entry->zone_length =
4068 			    ata ? le64dec(desc->zone_length) :
4069 				  scsi_8btou64(desc->zone_length);
4070 			entry->zone_start_lba =
4071 			    ata ? le64dec(desc->zone_start_lba) :
4072 				  scsi_8btou64(desc->zone_start_lba);
4073 			entry->write_pointer_lba =
4074 			    ata ? le64dec(desc->write_pointer_lba) :
4075 				  scsi_8btou64(desc->write_pointer_lba);
4076 		}
4077 		rep->entries_filled = num_to_fill;
4078 		break;
4079 	}
4080 	case DISK_ZONE_GET_PARAMS:
4081 	default:
4082 		/*
4083 		 * In theory we should not get a GET_PARAMS bio, since it
4084 		 * should be handled without queueing the command to the
4085 		 * drive.
4086 		 */
4087 		panic("%s: Invalid zone command %d", __func__,
4088 		    bp->bio_zone.zone_cmd);
4089 		break;
4090 	}
4091 
4092 	if (bp->bio_zone.zone_cmd == DISK_ZONE_REPORT_ZONES)
4093 		free(ccb->csio.data_ptr, M_SCSIDA);
4094 }
4095 
4096 static void
4097 dadone(struct cam_periph *periph, union ccb *done_ccb)
4098 {
4099 	struct da_softc *softc;
4100 	struct ccb_scsiio *csio;
4101 	u_int32_t  priority;
4102 	da_ccb_state state;
4103 
4104 	softc = (struct da_softc *)periph->softc;
4105 	priority = done_ccb->ccb_h.pinfo.priority;
4106 
4107 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n"));
4108 
4109 	csio = &done_ccb->csio;
4110 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
4111 	if (csio->bio != NULL)
4112 		biotrack(csio->bio, __func__);
4113 #endif
4114 	state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
4115 	switch (state) {
4116 	case DA_CCB_BUFFER_IO:
4117 	case DA_CCB_DELETE:
4118 	{
4119 		struct bio *bp, *bp1;
4120 
4121 		cam_periph_lock(periph);
4122 		bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
4123 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
4124 			int error;
4125 			int sf;
4126 
4127 			if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
4128 				sf = SF_RETRY_UA;
4129 			else
4130 				sf = 0;
4131 
4132 			error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
4133 			if (error == ERESTART) {
4134 				/*
4135 				 * A retry was scheduled, so
4136 				 * just return.
4137 				 */
4138 				cam_periph_unlock(periph);
4139 				return;
4140 			}
4141 			bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
4142 			if (error != 0) {
4143 				int queued_error;
4144 
4145 				/*
4146 				 * return all queued I/O with EIO, so that
4147 				 * the client can retry these I/Os in the
4148 				 * proper order should it attempt to recover.
4149 				 */
4150 				queued_error = EIO;
4151 
4152 				if (error == ENXIO
4153 				 && (softc->flags & DA_FLAG_PACK_INVALID)== 0) {
4154 					/*
4155 					 * Catastrophic error.  Mark our pack as
4156 					 * invalid.
4157 					 */
4158 					/*
4159 					 * XXX See if this is really a media
4160 					 * XXX change first?
4161 					 */
4162 					xpt_print(periph->path,
4163 					    "Invalidating pack\n");
4164 					softc->flags |= DA_FLAG_PACK_INVALID;
4165 #ifdef CAM_IO_STATS
4166 					softc->invalidations++;
4167 #endif
4168 					queued_error = ENXIO;
4169 				}
4170 				cam_iosched_flush(softc->cam_iosched, NULL,
4171 					   queued_error);
4172 				if (bp != NULL) {
4173 					bp->bio_error = error;
4174 					bp->bio_resid = bp->bio_bcount;
4175 					bp->bio_flags |= BIO_ERROR;
4176 				}
4177 			} else if (bp != NULL) {
4178 				if (state == DA_CCB_DELETE)
4179 					bp->bio_resid = 0;
4180 				else
4181 					bp->bio_resid = csio->resid;
4182 				bp->bio_error = 0;
4183 				if (bp->bio_resid != 0)
4184 					bp->bio_flags |= BIO_ERROR;
4185 			}
4186 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
4187 				cam_release_devq(done_ccb->ccb_h.path,
4188 						 /*relsim_flags*/0,
4189 						 /*reduction*/0,
4190 						 /*timeout*/0,
4191 						 /*getcount_only*/0);
4192 		} else if (bp != NULL) {
4193 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
4194 				panic("REQ_CMP with QFRZN");
4195 			if (bp->bio_cmd == BIO_ZONE)
4196 				dazonedone(periph, done_ccb);
4197 			else if (state == DA_CCB_DELETE)
4198 				bp->bio_resid = 0;
4199 			else
4200 				bp->bio_resid = csio->resid;
4201 			if ((csio->resid > 0)
4202 			 && (bp->bio_cmd != BIO_ZONE))
4203 				bp->bio_flags |= BIO_ERROR;
4204 			if (softc->error_inject != 0) {
4205 				bp->bio_error = softc->error_inject;
4206 				bp->bio_resid = bp->bio_bcount;
4207 				bp->bio_flags |= BIO_ERROR;
4208 				softc->error_inject = 0;
4209 			}
4210 		}
4211 
4212 		if (bp != NULL)
4213 			biotrack(bp, __func__);
4214 		LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
4215 		if (LIST_EMPTY(&softc->pending_ccbs))
4216 			softc->flags |= DA_FLAG_WAS_OTAG;
4217 
4218 		/*
4219 		 * We need to call cam_iosched before we call biodone so that we
4220 		 * don't measure any activity that happens in the completion
4221 		 * routine, which in the case of sendfile can be quite
4222 		 * extensive.
4223 		 */
4224 		cam_iosched_bio_complete(softc->cam_iosched, bp, done_ccb);
4225 		xpt_release_ccb(done_ccb);
4226 		if (state == DA_CCB_DELETE) {
4227 			TAILQ_HEAD(, bio) queue;
4228 
4229 			TAILQ_INIT(&queue);
4230 			TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue);
4231 			softc->delete_run_queue.insert_point = NULL;
4232 			/*
4233 			 * Normally, the xpt_release_ccb() above would make sure
4234 			 * that when we have more work to do, that work would
4235 			 * get kicked off. However, we specifically keep
4236 			 * delete_running set to 0 before the call above to
4237 			 * allow other I/O to progress when many BIO_DELETE
4238 			 * requests are pushed down. We set delete_running to 0
4239 			 * and call daschedule again so that we don't stall if
4240 			 * there are no other I/Os pending apart from BIO_DELETEs.
4241 			 */
4242 			cam_iosched_trim_done(softc->cam_iosched);
4243 			daschedule(periph);
4244 			cam_periph_unlock(periph);
4245 			while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
4246 				TAILQ_REMOVE(&queue, bp1, bio_queue);
4247 				bp1->bio_error = bp->bio_error;
4248 				if (bp->bio_flags & BIO_ERROR) {
4249 					bp1->bio_flags |= BIO_ERROR;
4250 					bp1->bio_resid = bp1->bio_bcount;
4251 				} else
4252 					bp1->bio_resid = 0;
4253 				biodone(bp1);
4254 			}
4255 		} else {
4256 			daschedule(periph);
4257 			cam_periph_unlock(periph);
4258 		}
4259 		if (bp != NULL)
4260 			biodone(bp);
4261 		return;
4262 	}
4263 	case DA_CCB_PROBE_RC:
4264 	case DA_CCB_PROBE_RC16:
4265 	{
4266 		struct	   scsi_read_capacity_data *rdcap;
4267 		struct     scsi_read_capacity_data_long *rcaplong;
4268 		char	   *announce_buf;
4269 		int	   lbp;
4270 
4271 		lbp = 0;
4272 		rdcap = NULL;
4273 		rcaplong = NULL;
4274 		/* XXX TODO: can this be a malloc? */
4275 		announce_buf = softc->announce_temp;
4276 		bzero(announce_buf, DA_ANNOUNCETMP_SZ);
4277 
4278 		if (state == DA_CCB_PROBE_RC)
4279 			rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
4280 		else
4281 			rcaplong = (struct scsi_read_capacity_data_long *)
4282 				csio->data_ptr;
4283 
4284 		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4285 			struct disk_params *dp;
4286 			uint32_t block_size;
4287 			uint64_t maxsector;
4288 			u_int lalba;	/* Lowest aligned LBA. */
4289 
4290 			if (state == DA_CCB_PROBE_RC) {
4291 				block_size = scsi_4btoul(rdcap->length);
4292 				maxsector = scsi_4btoul(rdcap->addr);
4293 				lalba = 0;
4294 
4295 				/*
4296 				 * According to SBC-2, if the standard 10
4297 				 * byte READ CAPACITY command returns 2^32,
4298 				 * we should issue the 16 byte version of
4299 				 * the command, since the device in question
4300 				 * has more sectors than can be represented
4301 				 * with the short version of the command.
4302 				 */
4303 				if (maxsector == 0xffffffff) {
4304 					free(rdcap, M_SCSIDA);
4305 					xpt_release_ccb(done_ccb);
4306 					softc->state = DA_STATE_PROBE_RC16;
4307 					xpt_schedule(periph, priority);
4308 					return;
4309 				}
4310 			} else {
4311 				block_size = scsi_4btoul(rcaplong->length);
4312 				maxsector = scsi_8btou64(rcaplong->addr);
4313 				lalba = scsi_2btoul(rcaplong->lalba_lbp);
4314 			}
4315 
4316 			/*
4317 			 * Because GEOM code just will panic us if we
4318 			 * give them an 'illegal' value we'll avoid that
4319 			 * here.
4320 			 */
4321 			if (block_size == 0) {
4322 				block_size = 512;
4323 				if (maxsector == 0)
4324 					maxsector = -1;
4325 			}
4326 			if (block_size >= MAXPHYS) {
4327 				xpt_print(periph->path,
4328 				    "unsupportable block size %ju\n",
4329 				    (uintmax_t) block_size);
4330 				announce_buf = NULL;
4331 				cam_periph_invalidate(periph);
4332 			} else {
4333 				/*
4334 				 * We pass rcaplong into dasetgeom(),
4335 				 * because it will only use it if it is
4336 				 * non-NULL.
4337 				 */
4338 				dasetgeom(periph, block_size, maxsector,
4339 					  rcaplong, sizeof(*rcaplong));
4340 				lbp = (lalba & SRC16_LBPME_A);
4341 				dp = &softc->params;
4342 				snprintf(announce_buf, DA_ANNOUNCETMP_SZ,
4343 				    "%juMB (%ju %u byte sectors)",
4344 				    ((uintmax_t)dp->secsize * dp->sectors) /
4345 				     (1024 * 1024),
4346 				    (uintmax_t)dp->sectors, dp->secsize);
4347 			}
4348 		} else {
4349 			int	error;
4350 
4351 			/*
4352 			 * Retry any UNIT ATTENTION type errors.  They
4353 			 * are expected at boot.
4354 			 */
4355 			error = daerror(done_ccb, CAM_RETRY_SELTO,
4356 					SF_RETRY_UA|SF_NO_PRINT);
4357 			if (error == ERESTART) {
4358 				/*
4359 				 * A retry was scheuled, so
4360 				 * just return.
4361 				 */
4362 				return;
4363 			} else if (error != 0) {
4364 				int asc, ascq;
4365 				int sense_key, error_code;
4366 				int have_sense;
4367 				cam_status status;
4368 				struct ccb_getdev cgd;
4369 
4370 				/* Don't wedge this device's queue */
4371 				status = done_ccb->ccb_h.status;
4372 				if ((status & CAM_DEV_QFRZN) != 0)
4373 					cam_release_devq(done_ccb->ccb_h.path,
4374 							 /*relsim_flags*/0,
4375 							 /*reduction*/0,
4376 							 /*timeout*/0,
4377 							 /*getcount_only*/0);
4378 
4379 
4380 				xpt_setup_ccb(&cgd.ccb_h,
4381 					      done_ccb->ccb_h.path,
4382 					      CAM_PRIORITY_NORMAL);
4383 				cgd.ccb_h.func_code = XPT_GDEV_TYPE;
4384 				xpt_action((union ccb *)&cgd);
4385 
4386 				if (scsi_extract_sense_ccb(done_ccb,
4387 				    &error_code, &sense_key, &asc, &ascq))
4388 					have_sense = TRUE;
4389 				else
4390 					have_sense = FALSE;
4391 
4392 				/*
4393 				 * If we tried READ CAPACITY(16) and failed,
4394 				 * fallback to READ CAPACITY(10).
4395 				 */
4396 				if ((state == DA_CCB_PROBE_RC16) &&
4397 				    (softc->flags & DA_FLAG_CAN_RC16) &&
4398 				    (((csio->ccb_h.status & CAM_STATUS_MASK) ==
4399 					CAM_REQ_INVALID) ||
4400 				     ((have_sense) &&
4401 				      (error_code == SSD_CURRENT_ERROR) &&
4402 				      (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
4403 					softc->flags &= ~DA_FLAG_CAN_RC16;
4404 					free(rdcap, M_SCSIDA);
4405 					xpt_release_ccb(done_ccb);
4406 					softc->state = DA_STATE_PROBE_RC;
4407 					xpt_schedule(periph, priority);
4408 					return;
4409 				}
4410 
4411 				/*
4412 				 * Attach to anything that claims to be a
4413 				 * direct access or optical disk device,
4414 				 * as long as it doesn't return a "Logical
4415 				 * unit not supported" (0x25) error.
4416 				 * "Internal Target Failure" (0x44) is also
4417 				 * special and typically means that the
4418 				 * device is a SATA drive behind a SATL
4419 				 * translation that's fallen into a
4420 				 * terminally fatal state.
4421 				 */
4422 				if ((have_sense)
4423 				 && (asc != 0x25) && (asc != 0x44)
4424 				 && (error_code == SSD_CURRENT_ERROR)) {
4425 					const char *sense_key_desc;
4426 					const char *asc_desc;
4427 
4428 					dasetgeom(periph, 512, -1, NULL, 0);
4429 					scsi_sense_desc(sense_key, asc, ascq,
4430 							&cgd.inq_data,
4431 							&sense_key_desc,
4432 							&asc_desc);
4433 					snprintf(announce_buf,
4434 					    DA_ANNOUNCETMP_SZ,
4435 					    "Attempt to query device "
4436 					    "size failed: %s, %s",
4437 					    sense_key_desc, asc_desc);
4438 				} else {
4439 					if (have_sense)
4440 						scsi_sense_print(
4441 							&done_ccb->csio);
4442 					else {
4443 						xpt_print(periph->path,
4444 						    "got CAM status %#x\n",
4445 						    done_ccb->ccb_h.status);
4446 					}
4447 
4448 					xpt_print(periph->path, "fatal error, "
4449 					    "failed to attach to device\n");
4450 
4451 					announce_buf = NULL;
4452 
4453 					/*
4454 					 * Free up resources.
4455 					 */
4456 					cam_periph_invalidate(periph);
4457 				}
4458 			}
4459 		}
4460 		free(csio->data_ptr, M_SCSIDA);
4461 		if (announce_buf != NULL &&
4462 		    ((softc->flags & DA_FLAG_ANNOUNCED) == 0)) {
4463 			struct sbuf sb;
4464 
4465 			sbuf_new(&sb, softc->announcebuf, DA_ANNOUNCE_SZ,
4466 			    SBUF_FIXEDLEN);
4467 			xpt_announce_periph_sbuf(periph, &sb, announce_buf);
4468 			xpt_announce_quirks_sbuf(periph, &sb, softc->quirks,
4469 			    DA_Q_BIT_STRING);
4470 			sbuf_finish(&sb);
4471 			sbuf_putbuf(&sb);
4472 
4473 			/*
4474 			 * Create our sysctl variables, now that we know
4475 			 * we have successfully attached.
4476 			 */
4477 			/* increase the refcount */
4478 			if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
4479 
4480 				taskqueue_enqueue(taskqueue_thread,
4481 						  &softc->sysctl_task);
4482 			} else {
4483 				/* XXX This message is useless! */
4484 				xpt_print(periph->path, "fatal error, "
4485 				    "could not acquire reference count\n");
4486 			}
4487 		}
4488 
4489 		/* We already probed the device. */
4490 		if (softc->flags & DA_FLAG_PROBED) {
4491 			daprobedone(periph, done_ccb);
4492 			return;
4493 		}
4494 
4495 		/* Ensure re-probe doesn't see old delete. */
4496 		softc->delete_available = 0;
4497 		dadeleteflag(softc, DA_DELETE_ZERO, 1);
4498 		if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) {
4499 			/*
4500 			 * Based on older SBC-3 spec revisions
4501 			 * any of the UNMAP methods "may" be
4502 			 * available via LBP given this flag so
4503 			 * we flag all of them as available and
4504 			 * then remove those which further
4505 			 * probes confirm aren't available
4506 			 * later.
4507 			 *
4508 			 * We could also check readcap(16) p_type
4509 			 * flag to exclude one or more invalid
4510 			 * write same (X) types here
4511 			 */
4512 			dadeleteflag(softc, DA_DELETE_WS16, 1);
4513 			dadeleteflag(softc, DA_DELETE_WS10, 1);
4514 			dadeleteflag(softc, DA_DELETE_UNMAP, 1);
4515 
4516 			xpt_release_ccb(done_ccb);
4517 			softc->state = DA_STATE_PROBE_LBP;
4518 			xpt_schedule(periph, priority);
4519 			return;
4520 		}
4521 
4522 		xpt_release_ccb(done_ccb);
4523 		softc->state = DA_STATE_PROBE_BDC;
4524 		xpt_schedule(periph, priority);
4525 		return;
4526 	}
4527 	case DA_CCB_PROBE_LBP:
4528 	{
4529 		struct scsi_vpd_logical_block_prov *lbp;
4530 
4531 		lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr;
4532 
4533 		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4534 			/*
4535 			 * T10/1799-D Revision 31 states at least one of these
4536 			 * must be supported but we don't currently enforce this.
4537 			 */
4538 			dadeleteflag(softc, DA_DELETE_WS16,
4539 				     (lbp->flags & SVPD_LBP_WS16));
4540 			dadeleteflag(softc, DA_DELETE_WS10,
4541 				     (lbp->flags & SVPD_LBP_WS10));
4542 			dadeleteflag(softc, DA_DELETE_UNMAP,
4543 				     (lbp->flags & SVPD_LBP_UNMAP));
4544 		} else {
4545 			int error;
4546 			error = daerror(done_ccb, CAM_RETRY_SELTO,
4547 					SF_RETRY_UA|SF_NO_PRINT);
4548 			if (error == ERESTART)
4549 				return;
4550 			else if (error != 0) {
4551 				if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4552 					/* Don't wedge this device's queue */
4553 					cam_release_devq(done_ccb->ccb_h.path,
4554 							 /*relsim_flags*/0,
4555 							 /*reduction*/0,
4556 							 /*timeout*/0,
4557 							 /*getcount_only*/0);
4558 				}
4559 
4560 				/*
4561 				 * Failure indicates we don't support any SBC-3
4562 				 * delete methods with UNMAP
4563 				 */
4564 			}
4565 		}
4566 
4567 		free(lbp, M_SCSIDA);
4568 		xpt_release_ccb(done_ccb);
4569 		softc->state = DA_STATE_PROBE_BLK_LIMITS;
4570 		xpt_schedule(periph, priority);
4571 		return;
4572 	}
4573 	case DA_CCB_PROBE_BLK_LIMITS:
4574 	{
4575 		struct scsi_vpd_block_limits *block_limits;
4576 
4577 		block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr;
4578 
4579 		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4580 			uint32_t max_txfer_len = scsi_4btoul(
4581 				block_limits->max_txfer_len);
4582 			uint32_t max_unmap_lba_cnt = scsi_4btoul(
4583 				block_limits->max_unmap_lba_cnt);
4584 			uint32_t max_unmap_blk_cnt = scsi_4btoul(
4585 				block_limits->max_unmap_blk_cnt);
4586 			uint32_t unmap_gran = scsi_4btoul(
4587 				block_limits->opt_unmap_grain);
4588 			uint32_t unmap_gran_align = scsi_4btoul(
4589 				block_limits->unmap_grain_align);
4590 			uint64_t ws_max_blks = scsi_8btou64(
4591 				block_limits->max_write_same_length);
4592 
4593 			if (max_txfer_len != 0) {
4594 				softc->disk->d_maxsize = MIN(softc->maxio,
4595 				    (off_t)max_txfer_len * softc->params.secsize);
4596 			}
4597 
4598 			/*
4599 			 * We should already support UNMAP but we check lba
4600 			 * and block count to be sure
4601 			 */
4602 			if (max_unmap_lba_cnt != 0x00L &&
4603 			    max_unmap_blk_cnt != 0x00L) {
4604 				softc->unmap_max_lba = max_unmap_lba_cnt;
4605 				softc->unmap_max_ranges = min(max_unmap_blk_cnt,
4606 					UNMAP_MAX_RANGES);
4607 				if (unmap_gran > 1) {
4608 					softc->unmap_gran = unmap_gran;
4609 					if (unmap_gran_align & 0x80000000) {
4610 						softc->unmap_gran_align =
4611 						    unmap_gran_align &
4612 						    0x7fffffff;
4613 					}
4614 				}
4615 			} else {
4616 				/*
4617 				 * Unexpected UNMAP limits which means the
4618 				 * device doesn't actually support UNMAP
4619 				 */
4620 				dadeleteflag(softc, DA_DELETE_UNMAP, 0);
4621 			}
4622 
4623 			if (ws_max_blks != 0x00L)
4624 				softc->ws_max_blks = ws_max_blks;
4625 		} else {
4626 			int error;
4627 			error = daerror(done_ccb, CAM_RETRY_SELTO,
4628 					SF_RETRY_UA|SF_NO_PRINT);
4629 			if (error == ERESTART)
4630 				return;
4631 			else if (error != 0) {
4632 				if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4633 					/* Don't wedge this device's queue */
4634 					cam_release_devq(done_ccb->ccb_h.path,
4635 							 /*relsim_flags*/0,
4636 							 /*reduction*/0,
4637 							 /*timeout*/0,
4638 							 /*getcount_only*/0);
4639 				}
4640 
4641 				/*
4642 				 * Failure here doesn't mean UNMAP is not
4643 				 * supported as this is an optional page.
4644 				 */
4645 				softc->unmap_max_lba = 1;
4646 				softc->unmap_max_ranges = 1;
4647 			}
4648 		}
4649 
4650 		free(block_limits, M_SCSIDA);
4651 		xpt_release_ccb(done_ccb);
4652 		softc->state = DA_STATE_PROBE_BDC;
4653 		xpt_schedule(periph, priority);
4654 		return;
4655 	}
4656 	case DA_CCB_PROBE_BDC:
4657 	{
4658 		struct scsi_vpd_block_device_characteristics *bdc;
4659 
4660 		bdc = (struct scsi_vpd_block_device_characteristics *)
4661 		    csio->data_ptr;
4662 
4663 		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4664 			uint32_t valid_len;
4665 
4666 			/*
4667 			 * Disable queue sorting for non-rotational media
4668 			 * by default.
4669 			 */
4670 			u_int16_t old_rate = softc->disk->d_rotation_rate;
4671 
4672 			valid_len = csio->dxfer_len - csio->resid;
4673 			if (SBDC_IS_PRESENT(bdc, valid_len,
4674 			    medium_rotation_rate)) {
4675 				softc->disk->d_rotation_rate =
4676 					scsi_2btoul(bdc->medium_rotation_rate);
4677 				if (softc->disk->d_rotation_rate ==
4678 				    SVPD_BDC_RATE_NON_ROTATING) {
4679 					cam_iosched_set_sort_queue(
4680 					    softc->cam_iosched, 0);
4681 					softc->rotating = 0;
4682 				}
4683 				if (softc->disk->d_rotation_rate != old_rate) {
4684 					disk_attr_changed(softc->disk,
4685 					    "GEOM::rotation_rate", M_NOWAIT);
4686 				}
4687 			}
4688 			if ((SBDC_IS_PRESENT(bdc, valid_len, flags))
4689 			 && (softc->zone_mode == DA_ZONE_NONE)) {
4690 				int ata_proto;
4691 
4692 				if (scsi_vpd_supported_page(periph,
4693 				    SVPD_ATA_INFORMATION))
4694 					ata_proto = 1;
4695 				else
4696 					ata_proto = 0;
4697 
4698 				/*
4699 				 * The Zoned field will only be set for
4700 				 * Drive Managed and Host Aware drives.  If
4701 				 * they are Host Managed, the device type
4702 				 * in the standard INQUIRY data should be
4703 				 * set to T_ZBC_HM (0x14).
4704 				 */
4705 				if ((bdc->flags & SVPD_ZBC_MASK) ==
4706 				     SVPD_HAW_ZBC) {
4707 					softc->zone_mode = DA_ZONE_HOST_AWARE;
4708 					softc->zone_interface = (ata_proto) ?
4709 					   DA_ZONE_IF_ATA_SAT : DA_ZONE_IF_SCSI;
4710 				} else if ((bdc->flags & SVPD_ZBC_MASK) ==
4711 				     SVPD_DM_ZBC) {
4712 					softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
4713 					softc->zone_interface = (ata_proto) ?
4714 					   DA_ZONE_IF_ATA_SAT : DA_ZONE_IF_SCSI;
4715 				} else if ((bdc->flags & SVPD_ZBC_MASK) !=
4716 					  SVPD_ZBC_NR) {
4717 					xpt_print(periph->path, "Unknown zoned "
4718 					    "type %#x",
4719 					    bdc->flags & SVPD_ZBC_MASK);
4720 				}
4721 			}
4722 		} else {
4723 			int error;
4724 			error = daerror(done_ccb, CAM_RETRY_SELTO,
4725 					SF_RETRY_UA|SF_NO_PRINT);
4726 			if (error == ERESTART)
4727 				return;
4728 			else if (error != 0) {
4729 				if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4730 					/* Don't wedge this device's queue */
4731 					cam_release_devq(done_ccb->ccb_h.path,
4732 							 /*relsim_flags*/0,
4733 							 /*reduction*/0,
4734 							 /*timeout*/0,
4735 							 /*getcount_only*/0);
4736 				}
4737 			}
4738 		}
4739 
4740 		free(bdc, M_SCSIDA);
4741 		xpt_release_ccb(done_ccb);
4742 		softc->state = DA_STATE_PROBE_ATA;
4743 		xpt_schedule(periph, priority);
4744 		return;
4745 	}
4746 	case DA_CCB_PROBE_ATA:
4747 	{
4748 		int i;
4749 		struct ata_params *ata_params;
4750 		int continue_probe;
4751 		int error;
4752 		int16_t *ptr;
4753 
4754 		ata_params = (struct ata_params *)csio->data_ptr;
4755 		ptr = (uint16_t *)ata_params;
4756 		continue_probe = 0;
4757 		error = 0;
4758 
4759 		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4760 			uint16_t old_rate;
4761 
4762 			for (i = 0; i < sizeof(*ata_params) / 2; i++)
4763 				ptr[i] = le16toh(ptr[i]);
4764 			if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM &&
4765 			    (softc->quirks & DA_Q_NO_UNMAP) == 0) {
4766 				dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1);
4767 				if (ata_params->max_dsm_blocks != 0)
4768 					softc->trim_max_ranges = min(
4769 					  softc->trim_max_ranges,
4770 					  ata_params->max_dsm_blocks *
4771 					  ATA_DSM_BLK_RANGES);
4772 			}
4773 			/*
4774 			 * Disable queue sorting for non-rotational media
4775 			 * by default.
4776 			 */
4777 			old_rate = softc->disk->d_rotation_rate;
4778 			softc->disk->d_rotation_rate =
4779 			    ata_params->media_rotation_rate;
4780 			if (softc->disk->d_rotation_rate ==
4781 			    ATA_RATE_NON_ROTATING) {
4782 				cam_iosched_set_sort_queue(softc->cam_iosched, 0);
4783 				softc->rotating = 0;
4784 			}
4785 			if (softc->disk->d_rotation_rate != old_rate) {
4786 				disk_attr_changed(softc->disk,
4787 				    "GEOM::rotation_rate", M_NOWAIT);
4788 			}
4789 
4790 			if (ata_params->capabilities1 & ATA_SUPPORT_DMA)
4791 				softc->flags |= DA_FLAG_CAN_ATA_DMA;
4792 
4793 			if (ata_params->support.extension &
4794 			    ATA_SUPPORT_GENLOG)
4795 				softc->flags |= DA_FLAG_CAN_ATA_LOG;
4796 
4797 			/*
4798 			 * At this point, if we have a SATA host aware drive,
4799 			 * we communicate via ATA passthrough unless the
4800 			 * SAT layer supports ZBC -> ZAC translation.  In
4801 			 * that case,
4802 			 */
4803 			/*
4804 			 * XXX KDM figure out how to detect a host managed
4805 			 * SATA drive.
4806 			 */
4807 			if (softc->zone_mode == DA_ZONE_NONE) {
4808 				/*
4809 				 * Note that we don't override the zone
4810 				 * mode or interface if it has already been
4811 				 * set.  This is because it has either been
4812 				 * set as a quirk, or when we probed the
4813 				 * SCSI Block Device Characteristics page,
4814 				 * the zoned field was set.  The latter
4815 				 * means that the SAT layer supports ZBC to
4816 				 * ZAC translation, and we would prefer to
4817 				 * use that if it is available.
4818 				 */
4819 				if ((ata_params->support3 &
4820 				    ATA_SUPPORT_ZONE_MASK) ==
4821 				    ATA_SUPPORT_ZONE_HOST_AWARE) {
4822 					softc->zone_mode = DA_ZONE_HOST_AWARE;
4823 					softc->zone_interface =
4824 					    DA_ZONE_IF_ATA_PASS;
4825 				} else if ((ata_params->support3 &
4826 					    ATA_SUPPORT_ZONE_MASK) ==
4827 					    ATA_SUPPORT_ZONE_DEV_MANAGED) {
4828 					softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
4829 					softc->zone_interface =
4830 					    DA_ZONE_IF_ATA_PASS;
4831 				}
4832 			}
4833 
4834 		} else {
4835 			error = daerror(done_ccb, CAM_RETRY_SELTO,
4836 					SF_RETRY_UA|SF_NO_PRINT);
4837 			if (error == ERESTART)
4838 				return;
4839 			else if (error != 0) {
4840 				if ((done_ccb->ccb_h.status &
4841 				     CAM_DEV_QFRZN) != 0) {
4842 					/* Don't wedge this device's queue */
4843 					cam_release_devq(done_ccb->ccb_h.path,
4844 							 /*relsim_flags*/0,
4845 							 /*reduction*/0,
4846 							 /*timeout*/0,
4847 							 /*getcount_only*/0);
4848 				}
4849 			}
4850 		}
4851 
4852 		free(ata_params, M_SCSIDA);
4853 		if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
4854 		 || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
4855 			/*
4856 			 * If the ATA IDENTIFY failed, we could be talking
4857 			 * to a SCSI drive, although that seems unlikely,
4858 			 * since the drive did report that it supported the
4859 			 * ATA Information VPD page.  If the ATA IDENTIFY
4860 			 * succeeded, and the SAT layer doesn't support
4861 			 * ZBC -> ZAC translation, continue on to get the
4862 			 * directory of ATA logs, and complete the rest of
4863 			 * the ZAC probe.  If the SAT layer does support
4864 			 * ZBC -> ZAC translation, we want to use that,
4865 			 * and we'll probe the SCSI Zoned Block Device
4866 			 * Characteristics VPD page next.
4867 			 */
4868 			if ((error == 0)
4869 			 && (softc->flags & DA_FLAG_CAN_ATA_LOG)
4870 			 && (softc->zone_interface == DA_ZONE_IF_ATA_PASS))
4871 				softc->state = DA_STATE_PROBE_ATA_LOGDIR;
4872 			else
4873 				softc->state = DA_STATE_PROBE_ZONE;
4874 			continue_probe = 1;
4875 		}
4876 		if (continue_probe != 0) {
4877 			xpt_release_ccb(done_ccb);
4878 			xpt_schedule(periph, priority);
4879 			return;
4880 		} else
4881 			daprobedone(periph, done_ccb);
4882 		return;
4883 	}
4884 	case DA_CCB_PROBE_ATA_LOGDIR:
4885 	{
4886 		int error;
4887 
4888 		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4889 			error = 0;
4890 			softc->valid_logdir_len = 0;
4891 			bzero(&softc->ata_logdir, sizeof(softc->ata_logdir));
4892 			softc->valid_logdir_len =
4893 				csio->dxfer_len - csio->resid;
4894 			if (softc->valid_logdir_len > 0)
4895 				bcopy(csio->data_ptr, &softc->ata_logdir,
4896 				    min(softc->valid_logdir_len,
4897 					sizeof(softc->ata_logdir)));
4898 			/*
4899 			 * Figure out whether the Identify Device log is
4900 			 * supported.  The General Purpose log directory
4901 			 * has a header, and lists the number of pages
4902 			 * available for each GP log identified by the
4903 			 * offset into the list.
4904 			 */
4905 			if ((softc->valid_logdir_len >=
4906 			    ((ATA_IDENTIFY_DATA_LOG + 1) * sizeof(uint16_t)))
4907 			 && (le16dec(softc->ata_logdir.header) ==
4908 			     ATA_GP_LOG_DIR_VERSION)
4909 			 && (le16dec(&softc->ata_logdir.num_pages[
4910 			     (ATA_IDENTIFY_DATA_LOG *
4911 			     sizeof(uint16_t)) - sizeof(uint16_t)]) > 0)){
4912 				softc->flags |= DA_FLAG_CAN_ATA_IDLOG;
4913 			} else {
4914 				softc->flags &= ~DA_FLAG_CAN_ATA_IDLOG;
4915 			}
4916 		} else {
4917 			error = daerror(done_ccb, CAM_RETRY_SELTO,
4918 					SF_RETRY_UA|SF_NO_PRINT);
4919 			if (error == ERESTART)
4920 				return;
4921 			else if (error != 0) {
4922 				/*
4923 				 * If we can't get the ATA log directory,
4924 				 * then ATA logs are effectively not
4925 				 * supported even if the bit is set in the
4926 				 * identify data.
4927 				 */
4928 				softc->flags &= ~(DA_FLAG_CAN_ATA_LOG |
4929 						  DA_FLAG_CAN_ATA_IDLOG);
4930 				if ((done_ccb->ccb_h.status &
4931 				     CAM_DEV_QFRZN) != 0) {
4932 					/* Don't wedge this device's queue */
4933 					cam_release_devq(done_ccb->ccb_h.path,
4934 							 /*relsim_flags*/0,
4935 							 /*reduction*/0,
4936 							 /*timeout*/0,
4937 							 /*getcount_only*/0);
4938 				}
4939 			}
4940 		}
4941 
4942 		free(csio->data_ptr, M_SCSIDA);
4943 
4944 		if ((error == 0)
4945 		 && (softc->flags & DA_FLAG_CAN_ATA_IDLOG)) {
4946 			softc->state = DA_STATE_PROBE_ATA_IDDIR;
4947 			xpt_release_ccb(done_ccb);
4948 			xpt_schedule(periph, priority);
4949 			return;
4950 		}
4951 		daprobedone(periph, done_ccb);
4952 		return;
4953 	}
4954 	case DA_CCB_PROBE_ATA_IDDIR:
4955 	{
4956 		int error;
4957 
4958 		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4959 			off_t entries_offset, max_entries;
4960 			error = 0;
4961 
4962 			softc->valid_iddir_len = 0;
4963 			bzero(&softc->ata_iddir, sizeof(softc->ata_iddir));
4964 			softc->flags &= ~(DA_FLAG_CAN_ATA_SUPCAP |
4965 					  DA_FLAG_CAN_ATA_ZONE);
4966 			softc->valid_iddir_len =
4967 				csio->dxfer_len - csio->resid;
4968 			if (softc->valid_iddir_len > 0)
4969 				bcopy(csio->data_ptr, &softc->ata_iddir,
4970 				    min(softc->valid_iddir_len,
4971 					sizeof(softc->ata_iddir)));
4972 
4973 			entries_offset =
4974 			    __offsetof(struct ata_identify_log_pages,entries);
4975 			max_entries = softc->valid_iddir_len - entries_offset;
4976 			if ((softc->valid_iddir_len > (entries_offset + 1))
4977 			 && (le64dec(softc->ata_iddir.header) ==
4978 			     ATA_IDLOG_REVISION)
4979 			 && (softc->ata_iddir.entry_count > 0)) {
4980 				int num_entries, i;
4981 
4982 				num_entries = softc->ata_iddir.entry_count;
4983 				num_entries = min(num_entries,
4984 				   softc->valid_iddir_len - entries_offset);
4985 				for (i = 0; i < num_entries &&
4986 				     i < max_entries; i++) {
4987 					if (softc->ata_iddir.entries[i] ==
4988 					    ATA_IDL_SUP_CAP)
4989 						softc->flags |=
4990 						    DA_FLAG_CAN_ATA_SUPCAP;
4991 					else if (softc->ata_iddir.entries[i]==
4992 						 ATA_IDL_ZDI)
4993 						softc->flags |=
4994 						    DA_FLAG_CAN_ATA_ZONE;
4995 
4996 					if ((softc->flags &
4997 					     DA_FLAG_CAN_ATA_SUPCAP)
4998 					 && (softc->flags &
4999 					     DA_FLAG_CAN_ATA_ZONE))
5000 						break;
5001 				}
5002 			}
5003 		} else {
5004 			error = daerror(done_ccb, CAM_RETRY_SELTO,
5005 					SF_RETRY_UA|SF_NO_PRINT);
5006 			if (error == ERESTART)
5007 				return;
5008 			else if (error != 0) {
5009 				/*
5010 				 * If we can't get the ATA Identify Data log
5011 				 * directory, then it effectively isn't
5012 				 * supported even if the ATA Log directory
5013 				 * a non-zero number of pages present for
5014 				 * this log.
5015 				 */
5016 				softc->flags &= ~DA_FLAG_CAN_ATA_IDLOG;
5017 				if ((done_ccb->ccb_h.status &
5018 				     CAM_DEV_QFRZN) != 0) {
5019 					/* Don't wedge this device's queue */
5020 					cam_release_devq(done_ccb->ccb_h.path,
5021 							 /*relsim_flags*/0,
5022 							 /*reduction*/0,
5023 							 /*timeout*/0,
5024 							 /*getcount_only*/0);
5025 				}
5026 			}
5027 		}
5028 
5029 		free(csio->data_ptr, M_SCSIDA);
5030 
5031 		if ((error == 0)
5032 		 && (softc->flags & DA_FLAG_CAN_ATA_SUPCAP)) {
5033 			softc->state = DA_STATE_PROBE_ATA_SUP;
5034 			xpt_release_ccb(done_ccb);
5035 			xpt_schedule(periph, priority);
5036 			return;
5037 		}
5038 		daprobedone(periph, done_ccb);
5039 		return;
5040 	}
5041 	case DA_CCB_PROBE_ATA_SUP:
5042 	{
5043 		int error;
5044 
5045 		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5046 			uint32_t valid_len;
5047 			size_t needed_size;
5048 			struct ata_identify_log_sup_cap *sup_cap;
5049 			error = 0;
5050 
5051 			sup_cap = (struct ata_identify_log_sup_cap *)
5052 			    csio->data_ptr;
5053 			valid_len = csio->dxfer_len - csio->resid;
5054 			needed_size =
5055 			    __offsetof(struct ata_identify_log_sup_cap,
5056 			    sup_zac_cap) + 1 + sizeof(sup_cap->sup_zac_cap);
5057 			if (valid_len >= needed_size) {
5058 				uint64_t zoned, zac_cap;
5059 
5060 				zoned = le64dec(sup_cap->zoned_cap);
5061 				if (zoned & ATA_ZONED_VALID) {
5062 					/*
5063 					 * This should have already been
5064 					 * set, because this is also in the
5065 					 * ATA identify data.
5066 					 */
5067 					if ((zoned & ATA_ZONED_MASK) ==
5068 					    ATA_SUPPORT_ZONE_HOST_AWARE)
5069 						softc->zone_mode =
5070 						    DA_ZONE_HOST_AWARE;
5071 					else if ((zoned & ATA_ZONED_MASK) ==
5072 					    ATA_SUPPORT_ZONE_DEV_MANAGED)
5073 						softc->zone_mode =
5074 						    DA_ZONE_DRIVE_MANAGED;
5075 				}
5076 
5077 				zac_cap = le64dec(sup_cap->sup_zac_cap);
5078 				if (zac_cap & ATA_SUP_ZAC_CAP_VALID) {
5079 					if (zac_cap & ATA_REPORT_ZONES_SUP)
5080 						softc->zone_flags |=
5081 						    DA_ZONE_FLAG_RZ_SUP;
5082 					if (zac_cap & ATA_ND_OPEN_ZONE_SUP)
5083 						softc->zone_flags |=
5084 						    DA_ZONE_FLAG_OPEN_SUP;
5085 					if (zac_cap & ATA_ND_CLOSE_ZONE_SUP)
5086 						softc->zone_flags |=
5087 						    DA_ZONE_FLAG_CLOSE_SUP;
5088 					if (zac_cap & ATA_ND_FINISH_ZONE_SUP)
5089 						softc->zone_flags |=
5090 						    DA_ZONE_FLAG_FINISH_SUP;
5091 					if (zac_cap & ATA_ND_RWP_SUP)
5092 						softc->zone_flags |=
5093 						    DA_ZONE_FLAG_RWP_SUP;
5094 				} else {
5095 					/*
5096 					 * This field was introduced in
5097 					 * ACS-4, r08 on April 28th, 2015.
5098 					 * If the drive firmware was written
5099 					 * to an earlier spec, it won't have
5100 					 * the field.  So, assume all
5101 					 * commands are supported.
5102 					 */
5103 					softc->zone_flags |=
5104 					    DA_ZONE_FLAG_SUP_MASK;
5105 				}
5106 
5107 			}
5108 		} else {
5109 			error = daerror(done_ccb, CAM_RETRY_SELTO,
5110 					SF_RETRY_UA|SF_NO_PRINT);
5111 			if (error == ERESTART)
5112 				return;
5113 			else if (error != 0) {
5114 				/*
5115 				 * If we can't get the ATA Identify Data
5116 				 * Supported Capabilities page, clear the
5117 				 * flag...
5118 				 */
5119 				softc->flags &= ~DA_FLAG_CAN_ATA_SUPCAP;
5120 				/*
5121 				 * And clear zone capabilities.
5122 				 */
5123 				softc->zone_flags &= ~DA_ZONE_FLAG_SUP_MASK;
5124 				if ((done_ccb->ccb_h.status &
5125 				     CAM_DEV_QFRZN) != 0) {
5126 					/* Don't wedge this device's queue */
5127 					cam_release_devq(done_ccb->ccb_h.path,
5128 							 /*relsim_flags*/0,
5129 							 /*reduction*/0,
5130 							 /*timeout*/0,
5131 							 /*getcount_only*/0);
5132 				}
5133 			}
5134 		}
5135 
5136 		free(csio->data_ptr, M_SCSIDA);
5137 
5138 		if ((error == 0)
5139 		 && (softc->flags & DA_FLAG_CAN_ATA_ZONE)) {
5140 			softc->state = DA_STATE_PROBE_ATA_ZONE;
5141 			xpt_release_ccb(done_ccb);
5142 			xpt_schedule(periph, priority);
5143 			return;
5144 		}
5145 		daprobedone(periph, done_ccb);
5146 		return;
5147 	}
5148 	case DA_CCB_PROBE_ATA_ZONE:
5149 	{
5150 		int error;
5151 
5152 		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5153 			struct ata_zoned_info_log *zi_log;
5154 			uint32_t valid_len;
5155 			size_t needed_size;
5156 
5157 			zi_log = (struct ata_zoned_info_log *)csio->data_ptr;
5158 
5159 			valid_len = csio->dxfer_len - csio->resid;
5160 			needed_size = __offsetof(struct ata_zoned_info_log,
5161 			    version_info) + 1 + sizeof(zi_log->version_info);
5162 			if (valid_len >= needed_size) {
5163 				uint64_t tmpvar;
5164 
5165 				tmpvar = le64dec(zi_log->zoned_cap);
5166 				if (tmpvar & ATA_ZDI_CAP_VALID) {
5167 					if (tmpvar & ATA_ZDI_CAP_URSWRZ)
5168 						softc->zone_flags |=
5169 						    DA_ZONE_FLAG_URSWRZ;
5170 					else
5171 						softc->zone_flags &=
5172 						    ~DA_ZONE_FLAG_URSWRZ;
5173 				}
5174 				tmpvar = le64dec(zi_log->optimal_seq_zones);
5175 				if (tmpvar & ATA_ZDI_OPT_SEQ_VALID) {
5176 					softc->zone_flags |=
5177 					    DA_ZONE_FLAG_OPT_SEQ_SET;
5178 					softc->optimal_seq_zones = (tmpvar &
5179 					    ATA_ZDI_OPT_SEQ_MASK);
5180 				} else {
5181 					softc->zone_flags &=
5182 					    ~DA_ZONE_FLAG_OPT_SEQ_SET;
5183 					softc->optimal_seq_zones = 0;
5184 				}
5185 
5186 				tmpvar =le64dec(zi_log->optimal_nonseq_zones);
5187 				if (tmpvar & ATA_ZDI_OPT_NS_VALID) {
5188 					softc->zone_flags |=
5189 					    DA_ZONE_FLAG_OPT_NONSEQ_SET;
5190 					softc->optimal_nonseq_zones =
5191 					    (tmpvar & ATA_ZDI_OPT_NS_MASK);
5192 				} else {
5193 					softc->zone_flags &=
5194 					    ~DA_ZONE_FLAG_OPT_NONSEQ_SET;
5195 					softc->optimal_nonseq_zones = 0;
5196 				}
5197 
5198 				tmpvar = le64dec(zi_log->max_seq_req_zones);
5199 				if (tmpvar & ATA_ZDI_MAX_SEQ_VALID) {
5200 					softc->zone_flags |=
5201 					    DA_ZONE_FLAG_MAX_SEQ_SET;
5202 					softc->max_seq_zones =
5203 					    (tmpvar & ATA_ZDI_MAX_SEQ_MASK);
5204 				} else {
5205 					softc->zone_flags &=
5206 					    ~DA_ZONE_FLAG_MAX_SEQ_SET;
5207 					softc->max_seq_zones = 0;
5208 				}
5209 			}
5210 		} else {
5211 			error = daerror(done_ccb, CAM_RETRY_SELTO,
5212 					SF_RETRY_UA|SF_NO_PRINT);
5213 			if (error == ERESTART)
5214 				return;
5215 			else if (error != 0) {
5216 				softc->flags &= ~DA_FLAG_CAN_ATA_ZONE;
5217 				softc->flags &= ~DA_ZONE_FLAG_SET_MASK;
5218 
5219 				if ((done_ccb->ccb_h.status &
5220 				     CAM_DEV_QFRZN) != 0) {
5221 					/* Don't wedge this device's queue */
5222 					cam_release_devq(done_ccb->ccb_h.path,
5223 							 /*relsim_flags*/0,
5224 							 /*reduction*/0,
5225 							 /*timeout*/0,
5226 							 /*getcount_only*/0);
5227 				}
5228 			}
5229 
5230 		}
5231 		free(csio->data_ptr, M_SCSIDA);
5232 
5233 		daprobedone(periph, done_ccb);
5234 		return;
5235 	}
5236 	case DA_CCB_PROBE_ZONE:
5237 	{
5238 		int error;
5239 
5240 		if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5241 			uint32_t valid_len;
5242 			size_t needed_len;
5243 			struct scsi_vpd_zoned_bdc *zoned_bdc;
5244 
5245 			error = 0;
5246 			zoned_bdc = (struct scsi_vpd_zoned_bdc *)
5247 				csio->data_ptr;
5248 			valid_len = csio->dxfer_len - csio->resid;
5249 			needed_len = __offsetof(struct scsi_vpd_zoned_bdc,
5250 			    max_seq_req_zones) + 1 +
5251 			    sizeof(zoned_bdc->max_seq_req_zones);
5252 			if ((valid_len >= needed_len)
5253 			 && (scsi_2btoul(zoned_bdc->page_length) >=
5254 			     SVPD_ZBDC_PL)) {
5255 				if (zoned_bdc->flags & SVPD_ZBDC_URSWRZ)
5256 					softc->zone_flags |=
5257 					    DA_ZONE_FLAG_URSWRZ;
5258 				else
5259 					softc->zone_flags &=
5260 					    ~DA_ZONE_FLAG_URSWRZ;
5261 				softc->optimal_seq_zones =
5262 				    scsi_4btoul(zoned_bdc->optimal_seq_zones);
5263 				softc->zone_flags |= DA_ZONE_FLAG_OPT_SEQ_SET;
5264 				softc->optimal_nonseq_zones = scsi_4btoul(
5265 				    zoned_bdc->optimal_nonseq_zones);
5266 				softc->zone_flags |=
5267 				    DA_ZONE_FLAG_OPT_NONSEQ_SET;
5268 				softc->max_seq_zones =
5269 				    scsi_4btoul(zoned_bdc->max_seq_req_zones);
5270 				softc->zone_flags |= DA_ZONE_FLAG_MAX_SEQ_SET;
5271 			}
5272 			/*
5273 			 * All of the zone commands are mandatory for SCSI
5274 			 * devices.
5275 			 *
5276 			 * XXX KDM this is valid as of September 2015.
5277 			 * Re-check this assumption once the SAT spec is
5278 			 * updated to support SCSI ZBC to ATA ZAC mapping.
5279 			 * Since ATA allows zone commands to be reported
5280 			 * as supported or not, this may not necessarily
5281 			 * be true for an ATA device behind a SAT (SCSI to
5282 			 * ATA Translation) layer.
5283 			 */
5284 			softc->zone_flags |= DA_ZONE_FLAG_SUP_MASK;
5285 		} else {
5286 			error = daerror(done_ccb, CAM_RETRY_SELTO,
5287 					SF_RETRY_UA|SF_NO_PRINT);
5288 			if (error == ERESTART)
5289 				return;
5290 			else if (error != 0) {
5291 				if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5292 					/* Don't wedge this device's queue */
5293 					cam_release_devq(done_ccb->ccb_h.path,
5294 							 /*relsim_flags*/0,
5295 							 /*reduction*/0,
5296 							 /*timeout*/0,
5297 							 /*getcount_only*/0);
5298 				}
5299 			}
5300 		}
5301 		daprobedone(periph, done_ccb);
5302 		return;
5303 	}
5304 	case DA_CCB_DUMP:
5305 		/* No-op.  We're polling */
5306 		return;
5307 	case DA_CCB_TUR:
5308 	{
5309 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
5310 
5311 			if (daerror(done_ccb, CAM_RETRY_SELTO,
5312 			    SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) ==
5313 			    ERESTART)
5314 				return;
5315 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
5316 				cam_release_devq(done_ccb->ccb_h.path,
5317 						 /*relsim_flags*/0,
5318 						 /*reduction*/0,
5319 						 /*timeout*/0,
5320 						 /*getcount_only*/0);
5321 		}
5322 		xpt_release_ccb(done_ccb);
5323 		cam_periph_release_locked(periph);
5324 		return;
5325 	}
5326 	default:
5327 		break;
5328 	}
5329 	xpt_release_ccb(done_ccb);
5330 }
5331 
5332 static void
5333 dareprobe(struct cam_periph *periph)
5334 {
5335 	struct da_softc	  *softc;
5336 	cam_status status;
5337 
5338 	softc = (struct da_softc *)periph->softc;
5339 
5340 	/* Probe in progress; don't interfere. */
5341 	if (softc->state != DA_STATE_NORMAL)
5342 		return;
5343 
5344 	status = cam_periph_acquire(periph);
5345 	KASSERT(status == CAM_REQ_CMP,
5346 	    ("dareprobe: cam_periph_acquire failed"));
5347 
5348 	if (softc->flags & DA_FLAG_CAN_RC16)
5349 		softc->state = DA_STATE_PROBE_RC16;
5350 	else
5351 		softc->state = DA_STATE_PROBE_RC;
5352 
5353 	xpt_schedule(periph, CAM_PRIORITY_DEV);
5354 }
5355 
5356 static int
5357 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
5358 {
5359 	struct da_softc	  *softc;
5360 	struct cam_periph *periph;
5361 	int error, error_code, sense_key, asc, ascq;
5362 
5363 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
5364 	if (ccb->csio.bio != NULL)
5365 		biotrack(ccb->csio.bio, __func__);
5366 #endif
5367 
5368 	periph = xpt_path_periph(ccb->ccb_h.path);
5369 	softc = (struct da_softc *)periph->softc;
5370 
5371  	/*
5372 	 * Automatically detect devices that do not support
5373  	 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
5374  	 */
5375 	error = 0;
5376 	if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
5377 		error = cmd6workaround(ccb);
5378 	} else if (scsi_extract_sense_ccb(ccb,
5379 	    &error_code, &sense_key, &asc, &ascq)) {
5380 		if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
5381  			error = cmd6workaround(ccb);
5382 		/*
5383 		 * If the target replied with CAPACITY DATA HAS CHANGED UA,
5384 		 * query the capacity and notify upper layers.
5385 		 */
5386 		else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5387 		    asc == 0x2A && ascq == 0x09) {
5388 			xpt_print(periph->path, "Capacity data has changed\n");
5389 			softc->flags &= ~DA_FLAG_PROBED;
5390 			dareprobe(periph);
5391 			sense_flags |= SF_NO_PRINT;
5392 		} else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5393 		    asc == 0x28 && ascq == 0x00) {
5394 			softc->flags &= ~DA_FLAG_PROBED;
5395 			disk_media_changed(softc->disk, M_NOWAIT);
5396 		} else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5397 		    asc == 0x3F && ascq == 0x03) {
5398 			xpt_print(periph->path, "INQUIRY data has changed\n");
5399 			softc->flags &= ~DA_FLAG_PROBED;
5400 			dareprobe(periph);
5401 			sense_flags |= SF_NO_PRINT;
5402 		} else if (sense_key == SSD_KEY_NOT_READY &&
5403 		    asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
5404 			softc->flags |= DA_FLAG_PACK_INVALID;
5405 			disk_media_gone(softc->disk, M_NOWAIT);
5406 		}
5407 	}
5408 	if (error == ERESTART)
5409 		return (ERESTART);
5410 
5411 #ifdef CAM_IO_STATS
5412 	switch (ccb->ccb_h.status & CAM_STATUS_MASK) {
5413 	case CAM_CMD_TIMEOUT:
5414 		softc->timeouts++;
5415 		break;
5416 	case CAM_REQ_ABORTED:
5417 	case CAM_REQ_CMP_ERR:
5418 	case CAM_REQ_TERMIO:
5419 	case CAM_UNREC_HBA_ERROR:
5420 	case CAM_DATA_RUN_ERR:
5421 		softc->errors++;
5422 		break;
5423 	default:
5424 		break;
5425 	}
5426 #endif
5427 
5428 	/*
5429 	 * XXX
5430 	 * Until we have a better way of doing pack validation,
5431 	 * don't treat UAs as errors.
5432 	 */
5433 	sense_flags |= SF_RETRY_UA;
5434 
5435 	if (softc->quirks & DA_Q_RETRY_BUSY)
5436 		sense_flags |= SF_RETRY_BUSY;
5437 	return(cam_periph_error(ccb, cam_flags, sense_flags));
5438 }
5439 
5440 static void
5441 damediapoll(void *arg)
5442 {
5443 	struct cam_periph *periph = arg;
5444 	struct da_softc *softc = periph->softc;
5445 
5446 	if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR) &&
5447 	    LIST_EMPTY(&softc->pending_ccbs)) {
5448 		if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
5449 			cam_iosched_set_work_flags(softc->cam_iosched, DA_WORK_TUR);
5450 			daschedule(periph);
5451 		}
5452 	}
5453 	/* Queue us up again */
5454 	if (da_poll_period != 0)
5455 		callout_schedule(&softc->mediapoll_c, da_poll_period * hz);
5456 }
5457 
5458 static void
5459 daprevent(struct cam_periph *periph, int action)
5460 {
5461 	struct	da_softc *softc;
5462 	union	ccb *ccb;
5463 	int	error;
5464 
5465 	softc = (struct da_softc *)periph->softc;
5466 
5467 	if (((action == PR_ALLOW)
5468 	  && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
5469 	 || ((action == PR_PREVENT)
5470 	  && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
5471 		return;
5472 	}
5473 
5474 	ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
5475 
5476 	scsi_prevent(&ccb->csio,
5477 		     /*retries*/1,
5478 		     /*cbcfp*/dadone,
5479 		     MSG_SIMPLE_Q_TAG,
5480 		     action,
5481 		     SSD_FULL_SIZE,
5482 		     5000);
5483 
5484 	error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
5485 	    SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat);
5486 
5487 	if (error == 0) {
5488 		if (action == PR_ALLOW)
5489 			softc->flags &= ~DA_FLAG_PACK_LOCKED;
5490 		else
5491 			softc->flags |= DA_FLAG_PACK_LOCKED;
5492 	}
5493 
5494 	xpt_release_ccb(ccb);
5495 }
5496 
5497 static void
5498 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
5499 	  struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
5500 {
5501 	struct ccb_calc_geometry ccg;
5502 	struct da_softc *softc;
5503 	struct disk_params *dp;
5504 	u_int lbppbe, lalba;
5505 	int error;
5506 
5507 	softc = (struct da_softc *)periph->softc;
5508 
5509 	dp = &softc->params;
5510 	dp->secsize = block_len;
5511 	dp->sectors = maxsector + 1;
5512 	if (rcaplong != NULL) {
5513 		lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
5514 		lalba = scsi_2btoul(rcaplong->lalba_lbp);
5515 		lalba &= SRC16_LALBA_A;
5516 	} else {
5517 		lbppbe = 0;
5518 		lalba = 0;
5519 	}
5520 
5521 	if (lbppbe > 0) {
5522 		dp->stripesize = block_len << lbppbe;
5523 		dp->stripeoffset = (dp->stripesize - block_len * lalba) %
5524 		    dp->stripesize;
5525 	} else if (softc->quirks & DA_Q_4K) {
5526 		dp->stripesize = 4096;
5527 		dp->stripeoffset = 0;
5528 	} else if (softc->unmap_gran != 0) {
5529 		dp->stripesize = block_len * softc->unmap_gran;
5530 		dp->stripeoffset = (dp->stripesize - block_len *
5531 		    softc->unmap_gran_align) % dp->stripesize;
5532 	} else {
5533 		dp->stripesize = 0;
5534 		dp->stripeoffset = 0;
5535 	}
5536 	/*
5537 	 * Have the controller provide us with a geometry
5538 	 * for this disk.  The only time the geometry
5539 	 * matters is when we boot and the controller
5540 	 * is the only one knowledgeable enough to come
5541 	 * up with something that will make this a bootable
5542 	 * device.
5543 	 */
5544 	xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
5545 	ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
5546 	ccg.block_size = dp->secsize;
5547 	ccg.volume_size = dp->sectors;
5548 	ccg.heads = 0;
5549 	ccg.secs_per_track = 0;
5550 	ccg.cylinders = 0;
5551 	xpt_action((union ccb*)&ccg);
5552 	if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
5553 		/*
5554 		 * We don't know what went wrong here- but just pick
5555 		 * a geometry so we don't have nasty things like divide
5556 		 * by zero.
5557 		 */
5558 		dp->heads = 255;
5559 		dp->secs_per_track = 255;
5560 		dp->cylinders = dp->sectors / (255 * 255);
5561 		if (dp->cylinders == 0) {
5562 			dp->cylinders = 1;
5563 		}
5564 	} else {
5565 		dp->heads = ccg.heads;
5566 		dp->secs_per_track = ccg.secs_per_track;
5567 		dp->cylinders = ccg.cylinders;
5568 	}
5569 
5570 	/*
5571 	 * If the user supplied a read capacity buffer, and if it is
5572 	 * different than the previous buffer, update the data in the EDT.
5573 	 * If it's the same, we don't bother.  This avoids sending an
5574 	 * update every time someone opens this device.
5575 	 */
5576 	if ((rcaplong != NULL)
5577 	 && (bcmp(rcaplong, &softc->rcaplong,
5578 		  min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
5579 		struct ccb_dev_advinfo cdai;
5580 
5581 		xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
5582 		cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
5583 		cdai.buftype = CDAI_TYPE_RCAPLONG;
5584 		cdai.flags = CDAI_FLAG_STORE;
5585 		cdai.bufsiz = rcap_len;
5586 		cdai.buf = (uint8_t *)rcaplong;
5587 		xpt_action((union ccb *)&cdai);
5588 		if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
5589 			cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
5590 		if (cdai.ccb_h.status != CAM_REQ_CMP) {
5591 			xpt_print(periph->path, "%s: failed to set read "
5592 				  "capacity advinfo\n", __func__);
5593 			/* Use cam_error_print() to decode the status */
5594 			cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
5595 					CAM_EPF_ALL);
5596 		} else {
5597 			bcopy(rcaplong, &softc->rcaplong,
5598 			      min(sizeof(softc->rcaplong), rcap_len));
5599 		}
5600 	}
5601 
5602 	softc->disk->d_sectorsize = softc->params.secsize;
5603 	softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
5604 	softc->disk->d_stripesize = softc->params.stripesize;
5605 	softc->disk->d_stripeoffset = softc->params.stripeoffset;
5606 	/* XXX: these are not actually "firmware" values, so they may be wrong */
5607 	softc->disk->d_fwsectors = softc->params.secs_per_track;
5608 	softc->disk->d_fwheads = softc->params.heads;
5609 	softc->disk->d_devstat->block_size = softc->params.secsize;
5610 	softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
5611 
5612 	error = disk_resize(softc->disk, M_NOWAIT);
5613 	if (error != 0)
5614 		xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error);
5615 }
5616 
5617 static void
5618 dasendorderedtag(void *arg)
5619 {
5620 	struct da_softc *softc = arg;
5621 
5622 	if (da_send_ordered) {
5623 		if (!LIST_EMPTY(&softc->pending_ccbs)) {
5624 			if ((softc->flags & DA_FLAG_WAS_OTAG) == 0)
5625 				softc->flags |= DA_FLAG_NEED_OTAG;
5626 			softc->flags &= ~DA_FLAG_WAS_OTAG;
5627 		}
5628 	}
5629 	/* Queue us up again */
5630 	callout_reset(&softc->sendordered_c,
5631 	    (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
5632 	    dasendorderedtag, softc);
5633 }
5634 
5635 /*
5636  * Step through all DA peripheral drivers, and if the device is still open,
5637  * sync the disk cache to physical media.
5638  */
5639 static void
5640 dashutdown(void * arg, int howto)
5641 {
5642 	struct cam_periph *periph;
5643 	struct da_softc *softc;
5644 	union ccb *ccb;
5645 	int error;
5646 
5647 	CAM_PERIPH_FOREACH(periph, &dadriver) {
5648 		softc = (struct da_softc *)periph->softc;
5649 		if (SCHEDULER_STOPPED()) {
5650 			/* If we paniced with the lock held, do not recurse. */
5651 			if (!cam_periph_owned(periph) &&
5652 			    (softc->flags & DA_FLAG_OPEN)) {
5653 				dadump(softc->disk, NULL, 0, 0, 0);
5654 			}
5655 			continue;
5656 		}
5657 		cam_periph_lock(periph);
5658 
5659 		/*
5660 		 * We only sync the cache if the drive is still open, and
5661 		 * if the drive is capable of it..
5662 		 */
5663 		if (((softc->flags & DA_FLAG_OPEN) == 0)
5664 		 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
5665 			cam_periph_unlock(periph);
5666 			continue;
5667 		}
5668 
5669 		ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
5670 		scsi_synchronize_cache(&ccb->csio,
5671 				       /*retries*/0,
5672 				       /*cbfcnp*/dadone,
5673 				       MSG_SIMPLE_Q_TAG,
5674 				       /*begin_lba*/0, /* whole disk */
5675 				       /*lb_count*/0,
5676 				       SSD_FULL_SIZE,
5677 				       60 * 60 * 1000);
5678 
5679 		error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
5680 		    /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
5681 		    softc->disk->d_devstat);
5682 		if (error != 0)
5683 			xpt_print(periph->path, "Synchronize cache failed\n");
5684 		xpt_release_ccb(ccb);
5685 		cam_periph_unlock(periph);
5686 	}
5687 }
5688 
5689 #else /* !_KERNEL */
5690 
5691 /*
5692  * XXX These are only left out of the kernel build to silence warnings.  If,
5693  * for some reason these functions are used in the kernel, the ifdefs should
5694  * be moved so they are included both in the kernel and userland.
5695  */
5696 void
5697 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
5698 		 void (*cbfcnp)(struct cam_periph *, union ccb *),
5699 		 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
5700 		 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
5701 		 u_int32_t timeout)
5702 {
5703 	struct scsi_format_unit *scsi_cmd;
5704 
5705 	scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
5706 	scsi_cmd->opcode = FORMAT_UNIT;
5707 	scsi_cmd->byte2 = byte2;
5708 	scsi_ulto2b(ileave, scsi_cmd->interleave);
5709 
5710 	cam_fill_csio(csio,
5711 		      retries,
5712 		      cbfcnp,
5713 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
5714 		      tag_action,
5715 		      data_ptr,
5716 		      dxfer_len,
5717 		      sense_len,
5718 		      sizeof(*scsi_cmd),
5719 		      timeout);
5720 }
5721 
5722 void
5723 scsi_read_defects(struct ccb_scsiio *csio, uint32_t retries,
5724 		  void (*cbfcnp)(struct cam_periph *, union ccb *),
5725 		  uint8_t tag_action, uint8_t list_format,
5726 		  uint32_t addr_desc_index, uint8_t *data_ptr,
5727 		  uint32_t dxfer_len, int minimum_cmd_size,
5728 		  uint8_t sense_len, uint32_t timeout)
5729 {
5730 	uint8_t cdb_len;
5731 
5732 	/*
5733 	 * These conditions allow using the 10 byte command.  Otherwise we
5734 	 * need to use the 12 byte command.
5735 	 */
5736 	if ((minimum_cmd_size <= 10)
5737 	 && (addr_desc_index == 0)
5738 	 && (dxfer_len <= SRDD10_MAX_LENGTH)) {
5739 		struct scsi_read_defect_data_10 *cdb10;
5740 
5741 		cdb10 = (struct scsi_read_defect_data_10 *)
5742 			&csio->cdb_io.cdb_bytes;
5743 
5744 		cdb_len = sizeof(*cdb10);
5745 		bzero(cdb10, cdb_len);
5746                 cdb10->opcode = READ_DEFECT_DATA_10;
5747                 cdb10->format = list_format;
5748                 scsi_ulto2b(dxfer_len, cdb10->alloc_length);
5749 	} else {
5750 		struct scsi_read_defect_data_12 *cdb12;
5751 
5752 		cdb12 = (struct scsi_read_defect_data_12 *)
5753 			&csio->cdb_io.cdb_bytes;
5754 
5755 		cdb_len = sizeof(*cdb12);
5756 		bzero(cdb12, cdb_len);
5757                 cdb12->opcode = READ_DEFECT_DATA_12;
5758                 cdb12->format = list_format;
5759                 scsi_ulto4b(dxfer_len, cdb12->alloc_length);
5760 		scsi_ulto4b(addr_desc_index, cdb12->address_descriptor_index);
5761 	}
5762 
5763 	cam_fill_csio(csio,
5764 		      retries,
5765 		      cbfcnp,
5766 		      /*flags*/ CAM_DIR_IN,
5767 		      tag_action,
5768 		      data_ptr,
5769 		      dxfer_len,
5770 		      sense_len,
5771 		      cdb_len,
5772 		      timeout);
5773 }
5774 
5775 void
5776 scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
5777 	      void (*cbfcnp)(struct cam_periph *, union ccb *),
5778 	      u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
5779 	      u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
5780 	      u_int32_t timeout)
5781 {
5782 	struct scsi_sanitize *scsi_cmd;
5783 
5784 	scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes;
5785 	scsi_cmd->opcode = SANITIZE;
5786 	scsi_cmd->byte2 = byte2;
5787 	scsi_cmd->control = control;
5788 	scsi_ulto2b(dxfer_len, scsi_cmd->length);
5789 
5790 	cam_fill_csio(csio,
5791 		      retries,
5792 		      cbfcnp,
5793 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
5794 		      tag_action,
5795 		      data_ptr,
5796 		      dxfer_len,
5797 		      sense_len,
5798 		      sizeof(*scsi_cmd),
5799 		      timeout);
5800 }
5801 
5802 #endif /* _KERNEL */
5803 
5804 void
5805 scsi_zbc_out(struct ccb_scsiio *csio, uint32_t retries,
5806 	     void (*cbfcnp)(struct cam_periph *, union ccb *),
5807 	     uint8_t tag_action, uint8_t service_action, uint64_t zone_id,
5808 	     uint8_t zone_flags, uint8_t *data_ptr, uint32_t dxfer_len,
5809 	     uint8_t sense_len, uint32_t timeout)
5810 {
5811 	struct scsi_zbc_out *scsi_cmd;
5812 
5813 	scsi_cmd = (struct scsi_zbc_out *)&csio->cdb_io.cdb_bytes;
5814 	scsi_cmd->opcode = ZBC_OUT;
5815 	scsi_cmd->service_action = service_action;
5816 	scsi_u64to8b(zone_id, scsi_cmd->zone_id);
5817 	scsi_cmd->zone_flags = zone_flags;
5818 
5819 	cam_fill_csio(csio,
5820 		      retries,
5821 		      cbfcnp,
5822 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
5823 		      tag_action,
5824 		      data_ptr,
5825 		      dxfer_len,
5826 		      sense_len,
5827 		      sizeof(*scsi_cmd),
5828 		      timeout);
5829 }
5830 
5831 void
5832 scsi_zbc_in(struct ccb_scsiio *csio, uint32_t retries,
5833 	    void (*cbfcnp)(struct cam_periph *, union ccb *),
5834 	    uint8_t tag_action, uint8_t service_action, uint64_t zone_start_lba,
5835 	    uint8_t zone_options, uint8_t *data_ptr, uint32_t dxfer_len,
5836 	    uint8_t sense_len, uint32_t timeout)
5837 {
5838 	struct scsi_zbc_in *scsi_cmd;
5839 
5840 	scsi_cmd = (struct scsi_zbc_in *)&csio->cdb_io.cdb_bytes;
5841 	scsi_cmd->opcode = ZBC_IN;
5842 	scsi_cmd->service_action = service_action;
5843 	scsi_ulto4b(dxfer_len, scsi_cmd->length);
5844 	scsi_u64to8b(zone_start_lba, scsi_cmd->zone_start_lba);
5845 	scsi_cmd->zone_options = zone_options;
5846 
5847 	cam_fill_csio(csio,
5848 		      retries,
5849 		      cbfcnp,
5850 		      /*flags*/ (dxfer_len > 0) ? CAM_DIR_IN : CAM_DIR_NONE,
5851 		      tag_action,
5852 		      data_ptr,
5853 		      dxfer_len,
5854 		      sense_len,
5855 		      sizeof(*scsi_cmd),
5856 		      timeout);
5857 
5858 }
5859 
5860 int
5861 scsi_ata_zac_mgmt_out(struct ccb_scsiio *csio, uint32_t retries,
5862 		      void (*cbfcnp)(struct cam_periph *, union ccb *),
5863 		      uint8_t tag_action, int use_ncq,
5864 		      uint8_t zm_action, uint64_t zone_id, uint8_t zone_flags,
5865 		      uint8_t *data_ptr, uint32_t dxfer_len,
5866 		      uint8_t *cdb_storage, size_t cdb_storage_len,
5867 		      uint8_t sense_len, uint32_t timeout)
5868 {
5869 	uint8_t command_out, protocol, ata_flags;
5870 	uint16_t features_out;
5871 	uint32_t sectors_out, auxiliary;
5872 	int retval;
5873 
5874 	retval = 0;
5875 
5876 	if (use_ncq == 0) {
5877 		command_out = ATA_ZAC_MANAGEMENT_OUT;
5878 		features_out = (zm_action & 0xf) | (zone_flags << 8);
5879 		ata_flags = AP_FLAG_BYT_BLOK_BLOCKS;
5880 		if (dxfer_len == 0) {
5881 			protocol = AP_PROTO_NON_DATA;
5882 			ata_flags |= AP_FLAG_TLEN_NO_DATA;
5883 			sectors_out = 0;
5884 		} else {
5885 			protocol = AP_PROTO_DMA;
5886 			ata_flags |= AP_FLAG_TLEN_SECT_CNT |
5887 				     AP_FLAG_TDIR_TO_DEV;
5888 			sectors_out = ((dxfer_len >> 9) & 0xffff);
5889 		}
5890 		auxiliary = 0;
5891 	} else {
5892 		ata_flags = AP_FLAG_BYT_BLOK_BLOCKS;
5893 		if (dxfer_len == 0) {
5894 			command_out = ATA_NCQ_NON_DATA;
5895 			features_out = ATA_NCQ_ZAC_MGMT_OUT;
5896 			/*
5897 			 * We're assuming the SCSI to ATA translation layer
5898 			 * will set the NCQ tag number in the tag field.
5899 			 * That isn't clear from the SAT-4 spec (as of rev 05).
5900 			 */
5901 			sectors_out = 0;
5902 			ata_flags |= AP_FLAG_TLEN_NO_DATA;
5903 		} else {
5904 			command_out = ATA_SEND_FPDMA_QUEUED;
5905 			/*
5906 			 * Note that we're defaulting to normal priority,
5907 			 * and assuming that the SCSI to ATA translation
5908 			 * layer will insert the NCQ tag number in the tag
5909 			 * field.  That isn't clear in the SAT-4 spec (as
5910 			 * of rev 05).
5911 			 */
5912 			sectors_out = ATA_SFPDMA_ZAC_MGMT_OUT << 8;
5913 
5914 			ata_flags |= AP_FLAG_TLEN_FEAT |
5915 				     AP_FLAG_TDIR_TO_DEV;
5916 
5917 			/*
5918 			 * For SEND FPDMA QUEUED, the transfer length is
5919 			 * encoded in the FEATURE register, and 0 means
5920 			 * that 65536 512 byte blocks are to be tranferred.
5921 			 * In practice, it seems unlikely that we'll see
5922 			 * a transfer that large, and it may confuse the
5923 			 * the SAT layer, because generally that means that
5924 			 * 0 bytes should be transferred.
5925 			 */
5926 			if (dxfer_len == (65536 * 512)) {
5927 				features_out = 0;
5928 			} else if (dxfer_len <= (65535 * 512)) {
5929 				features_out = ((dxfer_len >> 9) & 0xffff);
5930 			} else {
5931 				/* The transfer is too big. */
5932 				retval = 1;
5933 				goto bailout;
5934 			}
5935 
5936 		}
5937 
5938 		auxiliary = (zm_action & 0xf) | (zone_flags << 8);
5939 		protocol = AP_PROTO_FPDMA;
5940 	}
5941 
5942 	protocol |= AP_EXTEND;
5943 
5944 	retval = scsi_ata_pass(csio,
5945 	    retries,
5946 	    cbfcnp,
5947 	    /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
5948 	    tag_action,
5949 	    /*protocol*/ protocol,
5950 	    /*ata_flags*/ ata_flags,
5951 	    /*features*/ features_out,
5952 	    /*sector_count*/ sectors_out,
5953 	    /*lba*/ zone_id,
5954 	    /*command*/ command_out,
5955 	    /*device*/ 0,
5956 	    /*icc*/ 0,
5957 	    /*auxiliary*/ auxiliary,
5958 	    /*control*/ 0,
5959 	    /*data_ptr*/ data_ptr,
5960 	    /*dxfer_len*/ dxfer_len,
5961 	    /*cdb_storage*/ cdb_storage,
5962 	    /*cdb_storage_len*/ cdb_storage_len,
5963 	    /*minimum_cmd_size*/ 0,
5964 	    /*sense_len*/ SSD_FULL_SIZE,
5965 	    /*timeout*/ timeout);
5966 
5967 bailout:
5968 
5969 	return (retval);
5970 }
5971 
5972 int
5973 scsi_ata_zac_mgmt_in(struct ccb_scsiio *csio, uint32_t retries,
5974 		     void (*cbfcnp)(struct cam_periph *, union ccb *),
5975 		     uint8_t tag_action, int use_ncq,
5976 		     uint8_t zm_action, uint64_t zone_id, uint8_t zone_flags,
5977 		     uint8_t *data_ptr, uint32_t dxfer_len,
5978 		     uint8_t *cdb_storage, size_t cdb_storage_len,
5979 		     uint8_t sense_len, uint32_t timeout)
5980 {
5981 	uint8_t command_out, protocol;
5982 	uint16_t features_out, sectors_out;
5983 	uint32_t auxiliary;
5984 	int ata_flags;
5985 	int retval;
5986 
5987 	retval = 0;
5988 	ata_flags = AP_FLAG_TDIR_FROM_DEV | AP_FLAG_BYT_BLOK_BLOCKS;
5989 
5990 	if (use_ncq == 0) {
5991 		command_out = ATA_ZAC_MANAGEMENT_IN;
5992 		/* XXX KDM put a macro here */
5993 		features_out = (zm_action & 0xf) | (zone_flags << 8);
5994 		sectors_out = dxfer_len >> 9; /* XXX KDM macro */
5995 		protocol = AP_PROTO_DMA;
5996 		ata_flags |= AP_FLAG_TLEN_SECT_CNT;
5997 		auxiliary = 0;
5998 	} else {
5999 		ata_flags |= AP_FLAG_TLEN_FEAT;
6000 
6001 		command_out = ATA_RECV_FPDMA_QUEUED;
6002 		sectors_out = ATA_RFPDMA_ZAC_MGMT_IN << 8;
6003 
6004 		/*
6005 		 * For RECEIVE FPDMA QUEUED, the transfer length is
6006 		 * encoded in the FEATURE register, and 0 means
6007 		 * that 65536 512 byte blocks are to be tranferred.
6008 		 * In practice, it seems unlikely that we'll see
6009 		 * a transfer that large, and it may confuse the
6010 		 * the SAT layer, because generally that means that
6011 		 * 0 bytes should be transferred.
6012 		 */
6013 		if (dxfer_len == (65536 * 512)) {
6014 			features_out = 0;
6015 		} else if (dxfer_len <= (65535 * 512)) {
6016 			features_out = ((dxfer_len >> 9) & 0xffff);
6017 		} else {
6018 			/* The transfer is too big. */
6019 			retval = 1;
6020 			goto bailout;
6021 		}
6022 		auxiliary = (zm_action & 0xf) | (zone_flags << 8),
6023 		protocol = AP_PROTO_FPDMA;
6024 	}
6025 
6026 	protocol |= AP_EXTEND;
6027 
6028 	retval = scsi_ata_pass(csio,
6029 	    retries,
6030 	    cbfcnp,
6031 	    /*flags*/ CAM_DIR_IN,
6032 	    tag_action,
6033 	    /*protocol*/ protocol,
6034 	    /*ata_flags*/ ata_flags,
6035 	    /*features*/ features_out,
6036 	    /*sector_count*/ sectors_out,
6037 	    /*lba*/ zone_id,
6038 	    /*command*/ command_out,
6039 	    /*device*/ 0,
6040 	    /*icc*/ 0,
6041 	    /*auxiliary*/ auxiliary,
6042 	    /*control*/ 0,
6043 	    /*data_ptr*/ data_ptr,
6044 	    /*dxfer_len*/ (dxfer_len >> 9) * 512, /* XXX KDM */
6045 	    /*cdb_storage*/ cdb_storage,
6046 	    /*cdb_storage_len*/ cdb_storage_len,
6047 	    /*minimum_cmd_size*/ 0,
6048 	    /*sense_len*/ SSD_FULL_SIZE,
6049 	    /*timeout*/ timeout);
6050 
6051 bailout:
6052 	return (retval);
6053 }
6054