xref: /freebsd/sys/cam/ata/ata_da.c (revision 56b17de1e8360fe131d425de20b5e75ff3ea897c)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer,
12  *    without modification, immediately at the beginning of the file.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include "opt_ada.h"
30 
31 #include <sys/param.h>
32 
33 #ifdef _KERNEL
34 #include <sys/systm.h>
35 #include <sys/kernel.h>
36 #include <sys/bio.h>
37 #include <sys/sysctl.h>
38 #include <sys/taskqueue.h>
39 #include <sys/lock.h>
40 #include <sys/mutex.h>
41 #include <sys/conf.h>
42 #include <sys/devicestat.h>
43 #include <sys/eventhandler.h>
44 #include <sys/malloc.h>
45 #include <sys/endian.h>
46 #include <sys/cons.h>
47 #include <sys/proc.h>
48 #include <sys/reboot.h>
49 #include <sys/sbuf.h>
50 #include <geom/geom.h>
51 #include <geom/geom_disk.h>
52 #endif /* _KERNEL */
53 
54 #ifndef _KERNEL
55 #include <stdio.h>
56 #include <string.h>
57 #endif /* _KERNEL */
58 
59 #include <cam/cam.h>
60 #include <cam/cam_ccb.h>
61 #include <cam/cam_periph.h>
62 #include <cam/cam_xpt_periph.h>
63 #include <cam/scsi/scsi_all.h>
64 #include <cam/scsi/scsi_da.h>
65 #include <cam/cam_sim.h>
66 #include <cam/cam_iosched.h>
67 
68 #include <cam/ata/ata_all.h>
69 
70 #ifdef _KERNEL
71 
72 #define ATA_MAX_28BIT_LBA               268435455UL
73 
74 extern int iosched_debug;
75 
76 typedef enum {
77 	ADA_STATE_RAHEAD,
78 	ADA_STATE_WCACHE,
79 	ADA_STATE_LOGDIR,
80 	ADA_STATE_IDDIR,
81 	ADA_STATE_SUP_CAP,
82 	ADA_STATE_ZONE,
83 	ADA_STATE_NORMAL
84 } ada_state;
85 
86 typedef enum {
87 	ADA_FLAG_CAN_48BIT	= 0x00000002,
88 	ADA_FLAG_CAN_FLUSHCACHE	= 0x00000004,
89 	ADA_FLAG_CAN_NCQ	= 0x00000008,
90 	ADA_FLAG_CAN_DMA	= 0x00000010,
91 	ADA_FLAG_NEED_OTAG	= 0x00000020,
92 	ADA_FLAG_WAS_OTAG	= 0x00000040,
93 	ADA_FLAG_CAN_TRIM	= 0x00000080,
94 	ADA_FLAG_OPEN		= 0x00000100,
95 	ADA_FLAG_SCTX_INIT	= 0x00000200,
96 	ADA_FLAG_CAN_CFA        = 0x00000400,
97 	ADA_FLAG_CAN_POWERMGT   = 0x00000800,
98 	ADA_FLAG_CAN_DMA48	= 0x00001000,
99 	ADA_FLAG_CAN_LOG	= 0x00002000,
100 	ADA_FLAG_CAN_IDLOG	= 0x00004000,
101 	ADA_FLAG_CAN_SUPCAP	= 0x00008000,
102 	ADA_FLAG_CAN_ZONE	= 0x00010000,
103 	ADA_FLAG_CAN_WCACHE	= 0x00020000,
104 	ADA_FLAG_CAN_RAHEAD	= 0x00040000,
105 	ADA_FLAG_PROBED		= 0x00080000,
106 	ADA_FLAG_ANNOUNCED	= 0x00100000,
107 	ADA_FLAG_DIRTY		= 0x00200000,
108 	ADA_FLAG_CAN_NCQ_TRIM	= 0x00400000,	/* CAN_TRIM also set */
109 	ADA_FLAG_PIM_ATA_EXT	= 0x00800000,
110 	ADA_FLAG_UNMAPPEDIO	= 0x01000000,
111 	ADA_FLAG_ROTATING	= 0x02000000
112 } ada_flags;
113 #define ADA_FLAG_STRING		\
114 	"\020"			\
115 	"\002CAN_48BIT"		\
116 	"\003CAN_FLUSHCACHE"	\
117 	"\004CAN_NCQ"		\
118 	"\005CAN_DMA"		\
119 	"\006NEED_OTAG"		\
120 	"\007WAS_OTAG"		\
121 	"\010CAN_TRIM"		\
122 	"\011OPEN"		\
123 	"\012SCTX_INIT"		\
124 	"\013CAN_CFA"		\
125 	"\014CAN_POWERMGT"	\
126 	"\015CAN_DMA48"		\
127 	"\016CAN_LOG"		\
128 	"\017CAN_IDLOG"		\
129 	"\020CAN_SUPCAP"	\
130 	"\021CAN_ZONE"		\
131 	"\022CAN_WCACHE"	\
132 	"\023CAN_RAHEAD"	\
133 	"\024PROBED"		\
134 	"\025ANNOUNCED"		\
135 	"\026DIRTY"		\
136 	"\027CAN_NCQ_TRIM"	\
137 	"\030PIM_ATA_EXT"	\
138 	"\031UNMAPPEDIO"	\
139 	"\032ROTATING"
140 
141 typedef enum {
142 	ADA_Q_NONE		= 0x00,
143 	ADA_Q_4K		= 0x01,
144 	ADA_Q_NCQ_TRIM_BROKEN	= 0x02,
145 	ADA_Q_LOG_BROKEN	= 0x04,
146 	ADA_Q_SMR_DM		= 0x08,
147 	ADA_Q_NO_TRIM		= 0x10,
148 	ADA_Q_128KB		= 0x20
149 } ada_quirks;
150 
151 #define ADA_Q_BIT_STRING	\
152 	"\020"			\
153 	"\0014K"		\
154 	"\002NCQ_TRIM_BROKEN"	\
155 	"\003LOG_BROKEN"	\
156 	"\004SMR_DM"		\
157 	"\005NO_TRIM"		\
158 	"\006128KB"
159 
160 typedef enum {
161 	ADA_CCB_RAHEAD		= 0x01,
162 	ADA_CCB_WCACHE		= 0x02,
163 	ADA_CCB_BUFFER_IO	= 0x03,
164 	ADA_CCB_DUMP		= 0x05,
165 	ADA_CCB_TRIM		= 0x06,
166 	ADA_CCB_LOGDIR		= 0x07,
167 	ADA_CCB_IDDIR		= 0x08,
168 	ADA_CCB_SUP_CAP		= 0x09,
169 	ADA_CCB_ZONE		= 0x0a,
170 	ADA_CCB_TYPE_MASK	= 0x0F,
171 } ada_ccb_state;
172 
173 typedef enum {
174 	ADA_ZONE_NONE		= 0x00,
175 	ADA_ZONE_DRIVE_MANAGED	= 0x01,
176 	ADA_ZONE_HOST_AWARE	= 0x02,
177 	ADA_ZONE_HOST_MANAGED	= 0x03
178 } ada_zone_mode;
179 
180 typedef enum {
181 	ADA_ZONE_FLAG_RZ_SUP		= 0x0001,
182 	ADA_ZONE_FLAG_OPEN_SUP		= 0x0002,
183 	ADA_ZONE_FLAG_CLOSE_SUP		= 0x0004,
184 	ADA_ZONE_FLAG_FINISH_SUP	= 0x0008,
185 	ADA_ZONE_FLAG_RWP_SUP		= 0x0010,
186 	ADA_ZONE_FLAG_SUP_MASK		= (ADA_ZONE_FLAG_RZ_SUP |
187 					   ADA_ZONE_FLAG_OPEN_SUP |
188 					   ADA_ZONE_FLAG_CLOSE_SUP |
189 					   ADA_ZONE_FLAG_FINISH_SUP |
190 					   ADA_ZONE_FLAG_RWP_SUP),
191 	ADA_ZONE_FLAG_URSWRZ		= 0x0020,
192 	ADA_ZONE_FLAG_OPT_SEQ_SET	= 0x0040,
193 	ADA_ZONE_FLAG_OPT_NONSEQ_SET	= 0x0080,
194 	ADA_ZONE_FLAG_MAX_SEQ_SET	= 0x0100,
195 	ADA_ZONE_FLAG_SET_MASK		= (ADA_ZONE_FLAG_OPT_SEQ_SET |
196 					   ADA_ZONE_FLAG_OPT_NONSEQ_SET |
197 					   ADA_ZONE_FLAG_MAX_SEQ_SET)
198 } ada_zone_flags;
199 
200 static struct ada_zone_desc {
201 	ada_zone_flags value;
202 	const char *desc;
203 } ada_zone_desc_table[] = {
204 	{ADA_ZONE_FLAG_RZ_SUP, "Report Zones" },
205 	{ADA_ZONE_FLAG_OPEN_SUP, "Open" },
206 	{ADA_ZONE_FLAG_CLOSE_SUP, "Close" },
207 	{ADA_ZONE_FLAG_FINISH_SUP, "Finish" },
208 	{ADA_ZONE_FLAG_RWP_SUP, "Reset Write Pointer" },
209 };
210 
211 /* Offsets into our private area for storing information */
212 #define ccb_state	ppriv_field0
213 #define ccb_bp		ppriv_ptr1
214 
215 typedef enum {
216 	ADA_DELETE_NONE,
217 	ADA_DELETE_DISABLE,
218 	ADA_DELETE_CFA_ERASE,
219 	ADA_DELETE_DSM_TRIM,
220 	ADA_DELETE_NCQ_DSM_TRIM,
221 	ADA_DELETE_MIN = ADA_DELETE_CFA_ERASE,
222 	ADA_DELETE_MAX = ADA_DELETE_NCQ_DSM_TRIM,
223 } ada_delete_methods;
224 
225 static const char *ada_delete_method_names[] =
226     { "NONE", "DISABLE", "CFA_ERASE", "DSM_TRIM", "NCQ_DSM_TRIM" };
227 #if 0
228 static const char *ada_delete_method_desc[] =
229     { "NONE", "DISABLED", "CFA Erase", "DSM Trim", "DSM Trim via NCQ" };
230 #endif
231 
232 struct disk_params {
233 	uint8_t  heads;
234 	uint8_t  secs_per_track;
235 	uint32_t cylinders;
236 	uint32_t secsize;	/* Number of bytes/logical sector */
237 	uint64_t sectors;	/* Total number sectors */
238 };
239 
240 #define TRIM_MAX_BLOCKS	8
241 #define TRIM_MAX_RANGES	(TRIM_MAX_BLOCKS * ATA_DSM_BLK_RANGES)
242 struct trim_request {
243 	uint8_t		data[TRIM_MAX_RANGES * ATA_DSM_RANGE_SIZE];
244 	TAILQ_HEAD(, bio) bps;
245 };
246 
247 struct ada_softc {
248 	struct   cam_iosched_softc *cam_iosched;
249 	int	 outstanding_cmds;	/* Number of active commands */
250 	int	 refcount;		/* Active xpt_action() calls */
251 	ada_state state;
252 	ada_flags flags;
253 	ada_zone_mode zone_mode;
254 	ada_zone_flags zone_flags;
255 	struct ata_gp_log_dir ata_logdir;
256 	int valid_logdir_len;
257 	struct ata_identify_log_pages ata_iddir;
258 	int valid_iddir_len;
259 	uint64_t optimal_seq_zones;
260 	uint64_t optimal_nonseq_zones;
261 	uint64_t max_seq_zones;
262 	ada_quirks quirks;
263 	ada_delete_methods delete_method;
264 	int	 trim_max_ranges;
265 	int	 read_ahead;
266 	int	 write_cache;
267 #ifdef CAM_TEST_FAILURE
268 	int      force_read_error;
269 	int      force_write_error;
270 	int      periodic_read_error;
271 	int      periodic_read_count;
272 #endif
273 	struct ccb_pathinq	cpi;
274 	struct disk_params	params;
275 	struct disk		*disk;
276 	struct task		sysctl_task;
277 	struct sysctl_ctx_list	sysctl_ctx;
278 	struct sysctl_oid	*sysctl_tree;
279 	struct callout		sendordered_c;
280 	struct trim_request	trim_req;
281 	uint64_t		trim_count;
282 	uint64_t		trim_ranges;
283 	uint64_t		trim_lbas;
284 #ifdef CAM_IO_STATS
285 	struct sysctl_ctx_list	sysctl_stats_ctx;
286 	struct sysctl_oid	*sysctl_stats_tree;
287 	u_int	timeouts;
288 	u_int	errors;
289 	u_int	invalidations;
290 #endif
291 #define ADA_ANNOUNCETMP_SZ 80
292 	char	announce_temp[ADA_ANNOUNCETMP_SZ];
293 #define ADA_ANNOUNCE_SZ 400
294 	char	announce_buffer[ADA_ANNOUNCE_SZ];
295 };
296 
297 static uma_zone_t ada_ccb_zone;
298 
299 struct ada_quirk_entry {
300 	struct scsi_inquiry_pattern inq_pat;
301 	ada_quirks quirks;
302 };
303 
304 static struct ada_quirk_entry ada_quirk_table[] =
305 {
306 	{
307 		/* Sandisk X400 */
308 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SanDisk?SD8SB8U1T00*", "X4162000*" },
309 		/*quirks*/ADA_Q_128KB
310 	},
311 	{
312 		/* Hitachi Advanced Format (4k) drives */
313 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Hitachi H??????????E3*", "*" },
314 		/*quirks*/ADA_Q_4K
315 	},
316 	{
317 		/* Samsung Advanced Format (4k) drives */
318 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD155UI*", "*" },
319 		/*quirks*/ADA_Q_4K
320 	},
321 	{
322 		/* Samsung Advanced Format (4k) drives */
323 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD204UI*", "*" },
324 		/*quirks*/ADA_Q_4K
325 	},
326 	{
327 		/* Seagate Barracuda Green Advanced Format (4k) drives */
328 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DL*", "*" },
329 		/*quirks*/ADA_Q_4K
330 	},
331 	{
332 		/* Seagate Barracuda Advanced Format (4k) drives */
333 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???DM*", "*" },
334 		/*quirks*/ADA_Q_4K
335 	},
336 	{
337 		/* Seagate Barracuda Advanced Format (4k) drives */
338 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DM*", "*" },
339 		/*quirks*/ADA_Q_4K
340 	},
341 	{
342 		/* Seagate Momentus Advanced Format (4k) drives */
343 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500423AS*", "*" },
344 		/*quirks*/ADA_Q_4K
345 	},
346 	{
347 		/* Seagate Momentus Advanced Format (4k) drives */
348 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500424AS*", "*" },
349 		/*quirks*/ADA_Q_4K
350 	},
351 	{
352 		/* Seagate Momentus Advanced Format (4k) drives */
353 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640423AS*", "*" },
354 		/*quirks*/ADA_Q_4K
355 	},
356 	{
357 		/* Seagate Momentus Advanced Format (4k) drives */
358 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640424AS*", "*" },
359 		/*quirks*/ADA_Q_4K
360 	},
361 	{
362 		/* Seagate Momentus Advanced Format (4k) drives */
363 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750420AS*", "*" },
364 		/*quirks*/ADA_Q_4K
365 	},
366 	{
367 		/* Seagate Momentus Advanced Format (4k) drives */
368 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750422AS*", "*" },
369 		/*quirks*/ADA_Q_4K
370 	},
371 	{
372 		/* Seagate Momentus Advanced Format (4k) drives */
373 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750423AS*", "*" },
374 		/*quirks*/ADA_Q_4K
375 	},
376 	{
377 		/* Seagate Momentus Thin Advanced Format (4k) drives */
378 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???LT*", "*" },
379 		/*quirks*/ADA_Q_4K
380 	},
381 	{
382 		/* WDC Caviar Red Advanced Format (4k) drives */
383 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????CX*", "*" },
384 		/*quirks*/ADA_Q_4K
385 	},
386 	{
387 		/* WDC Caviar Green Advanced Format (4k) drives */
388 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RS*", "*" },
389 		/*quirks*/ADA_Q_4K
390 	},
391 	{
392 		/* WDC Caviar Green/Red Advanced Format (4k) drives */
393 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RX*", "*" },
394 		/*quirks*/ADA_Q_4K
395 	},
396 	{
397 		/* WDC Caviar Red Advanced Format (4k) drives */
398 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????CX*", "*" },
399 		/*quirks*/ADA_Q_4K
400 	},
401 	{
402 		/* WDC Caviar Black Advanced Format (4k) drives */
403 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????AZEX*", "*" },
404 		/*quirks*/ADA_Q_4K
405 	},
406 	{
407 		/* WDC Caviar Black Advanced Format (4k) drives */
408 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????FZEX*", "*" },
409 		/*quirks*/ADA_Q_4K
410 	},
411 	{
412 		/* WDC Caviar Green Advanced Format (4k) drives */
413 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RS*", "*" },
414 		/*quirks*/ADA_Q_4K
415 	},
416 	{
417 		/* WDC Caviar Green Advanced Format (4k) drives */
418 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RX*", "*" },
419 		/*quirks*/ADA_Q_4K
420 	},
421 	{
422 		/* WDC Scorpio Black Advanced Format (4k) drives */
423 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PKT*", "*" },
424 		/*quirks*/ADA_Q_4K
425 	},
426 	{
427 		/* WDC Scorpio Black Advanced Format (4k) drives */
428 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PKT*", "*" },
429 		/*quirks*/ADA_Q_4K
430 	},
431 	{
432 		/* WDC Scorpio Blue Advanced Format (4k) drives */
433 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PVT*", "*" },
434 		/*quirks*/ADA_Q_4K
435 	},
436 	{
437 		/* WDC Scorpio Blue Advanced Format (4k) drives */
438 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PVT*", "*" },
439 		/*quirks*/ADA_Q_4K
440 	},
441 	/* SSDs */
442 	{
443 		/*
444 		 * Corsair Force 2 SSDs
445 		 * 4k optimised & trim only works in 4k requests + 4k aligned
446 		 */
447 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair CSSD-F*", "*" },
448 		/*quirks*/ADA_Q_4K
449 	},
450 	{
451 		/*
452 		 * Corsair Force 3 SSDs
453 		 * 4k optimised & trim only works in 4k requests + 4k aligned
454 		 */
455 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force 3*", "*" },
456 		/*quirks*/ADA_Q_4K
457 	},
458 	{
459 		/*
460 		 * Corsair Neutron GTX SSDs
461 		 * 4k optimised & trim only works in 4k requests + 4k aligned
462 		 */
463 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" },
464 		/*quirks*/ADA_Q_4K
465 	},
466 	{
467 		/*
468 		 * Corsair Force GT & GS SSDs
469 		 * 4k optimised & trim only works in 4k requests + 4k aligned
470 		 */
471 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force G*", "*" },
472 		/*quirks*/ADA_Q_4K
473 	},
474 	{
475 		/*
476 		 * Crucial M4 SSDs
477 		 * 4k optimised & trim only works in 4k requests + 4k aligned
478 		 */
479 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "M4-CT???M4SSD2*", "*" },
480 		/*quirks*/ADA_Q_4K
481 	},
482 	{
483 		/*
484 		 * Crucial M500 SSDs MU07 firmware
485 		 * NCQ Trim works
486 		 */
487 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Crucial CT*M500*", "MU07" },
488 		/*quirks*/0
489 	},
490 	{
491 		/*
492 		 * Crucial M500 SSDs all other firmware
493 		 * NCQ Trim doesn't work
494 		 */
495 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Crucial CT*M500*", "*" },
496 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
497 	},
498 	{
499 		/*
500 		 * Crucial M550 SSDs
501 		 * NCQ Trim doesn't work, but only on MU01 firmware
502 		 */
503 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Crucial CT*M550*", "MU01" },
504 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
505 	},
506 	{
507 		/*
508 		 * Crucial MX100 SSDs
509 		 * NCQ Trim doesn't work, but only on MU01 firmware
510 		 */
511 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Crucial CT*MX100*", "MU01" },
512 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
513 	},
514 	{
515 		/*
516 		 * Crucial RealSSD C300 SSDs
517 		 * 4k optimised
518 		 */
519 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "C300-CTFDDAC???MAG*",
520 		"*" }, /*quirks*/ADA_Q_4K
521 	},
522 	{
523 		/*
524 		 * FCCT M500 SSDs
525 		 * NCQ Trim doesn't work
526 		 */
527 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "FCCT*M500*", "*" },
528 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
529 	},
530 	{
531 		/*
532 		 * Intel 320 Series SSDs
533 		 * 4k optimised & trim only works in 4k requests + 4k aligned
534 		 */
535 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2CW*", "*" },
536 		/*quirks*/ADA_Q_4K
537 	},
538 	{
539 		/*
540 		 * Intel 330 Series SSDs
541 		 * 4k optimised & trim only works in 4k requests + 4k aligned
542 		 */
543 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2CT*", "*" },
544 		/*quirks*/ADA_Q_4K
545 	},
546 	{
547 		/*
548 		 * Intel 510 Series SSDs
549 		 * 4k optimised & trim only works in 4k requests + 4k aligned
550 		 */
551 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2MH*", "*" },
552 		/*quirks*/ADA_Q_4K
553 	},
554 	{
555 		/*
556 		 * Intel 520 Series SSDs
557 		 * 4k optimised & trim only works in 4k requests + 4k aligned
558 		 */
559 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2BW*", "*" },
560 		/*quirks*/ADA_Q_4K
561 	},
562 	{
563 		/*
564 		 * Intel S3610 Series SSDs
565 		 * 4k optimised & trim only works in 4k requests + 4k aligned
566 		 */
567 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2BX*", "*" },
568 		/*quirks*/ADA_Q_4K
569 	},
570 	{
571 		/*
572 		 * Intel X25-M Series SSDs
573 		 * 4k optimised & trim only works in 4k requests + 4k aligned
574 		 */
575 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2M*", "*" },
576 		/*quirks*/ADA_Q_4K
577 	},
578 	{
579 		/*
580 		 * KingDian S200 60GB P0921B
581 		 * Trimming crash the SSD
582 		 */
583 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "KingDian S200 *", "*" },
584 		/*quirks*/ADA_Q_NO_TRIM
585 	},
586 	{
587 		/*
588 		 * Kingston E100 Series SSDs
589 		 * 4k optimised & trim only works in 4k requests + 4k aligned
590 		 */
591 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SE100S3*", "*" },
592 		/*quirks*/ADA_Q_4K
593 	},
594 	{
595 		/*
596 		 * Kingston HyperX 3k SSDs
597 		 * 4k optimised & trim only works in 4k requests + 4k aligned
598 		 */
599 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SH103S3*", "*" },
600 		/*quirks*/ADA_Q_4K
601 	},
602 	{
603 		/*
604 		 * Marvell SSDs (entry taken from OpenSolaris)
605 		 * 4k optimised & trim only works in 4k requests + 4k aligned
606 		 */
607 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "MARVELL SD88SA02*", "*" },
608 		/*quirks*/ADA_Q_4K
609 	},
610 	{
611 		/*
612 		 * Micron M500 SSDs firmware MU07
613 		 * NCQ Trim works?
614 		 */
615 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Micron M500*", "MU07" },
616 		/*quirks*/0
617 	},
618 	{
619 		/*
620 		 * Micron M500 SSDs all other firmware
621 		 * NCQ Trim doesn't work
622 		 */
623 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Micron M500*", "*" },
624 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
625 	},
626 	{
627 		/*
628 		 * Micron M5[15]0 SSDs
629 		 * NCQ Trim doesn't work, but only MU01 firmware
630 		 */
631 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Micron M5[15]0*", "MU01" },
632 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
633 	},
634 	{
635 		/*
636 		 * Micron 5100 SSDs
637 		 * 4k optimised & trim only works in 4k requests + 4k aligned
638 		 */
639 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Micron 5100 MTFDDAK*", "*" },
640 		/*quirks*/ADA_Q_4K
641 	},
642 	{
643 		/*
644 		 * OCZ Agility 2 SSDs
645 		 * 4k optimised & trim only works in 4k requests + 4k aligned
646 		 */
647 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" },
648 		/*quirks*/ADA_Q_4K
649 	},
650 	{
651 		/*
652 		 * OCZ Agility 3 SSDs
653 		 * 4k optimised & trim only works in 4k requests + 4k aligned
654 		 */
655 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY3*", "*" },
656 		/*quirks*/ADA_Q_4K
657 	},
658 	{
659 		/*
660 		 * OCZ Deneva R Series SSDs
661 		 * 4k optimised & trim only works in 4k requests + 4k aligned
662 		 */
663 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "DENRSTE251M45*", "*" },
664 		/*quirks*/ADA_Q_4K
665 	},
666 	{
667 		/*
668 		 * OCZ Vertex 2 SSDs (inc pro series)
669 		 * 4k optimised & trim only works in 4k requests + 4k aligned
670 		 */
671 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ?VERTEX2*", "*" },
672 		/*quirks*/ADA_Q_4K
673 	},
674 	{
675 		/*
676 		 * OCZ Vertex 3 SSDs
677 		 * 4k optimised & trim only works in 4k requests + 4k aligned
678 		 */
679 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX3*", "*" },
680 		/*quirks*/ADA_Q_4K
681 	},
682 	{
683 		/*
684 		 * OCZ Vertex 4 SSDs
685 		 * 4k optimised & trim only works in 4k requests + 4k aligned
686 		 */
687 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX4*", "*" },
688 		/*quirks*/ADA_Q_4K
689 	},
690 	{
691 		/*
692 		 * Samsung 750 SSDs
693 		 * 4k optimised, NCQ TRIM seems to work
694 		 */
695 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 750*", "*" },
696 		/*quirks*/ADA_Q_4K
697 	},
698 	{
699 		/*
700 		 * Samsung 830 Series SSDs
701 		 * 4k optimised, NCQ TRIM Broken (normal TRIM is fine)
702 		 */
703 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG SSD 830 Series*", "*" },
704 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
705 	},
706 	{
707 		/*
708 		 * Samsung 840 SSDs
709 		 * 4k optimised, NCQ TRIM Broken (normal TRIM is fine)
710 		 */
711 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 840*", "*" },
712 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
713 	},
714 	{
715 		/*
716 		 * Samsung 845 SSDs
717 		 * 4k optimised, NCQ TRIM Broken (normal TRIM is fine)
718 		 */
719 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 845*", "*" },
720 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
721 	},
722 	{
723 		/*
724 		 * Samsung 850 SSDs
725 		 * 4k optimised, NCQ TRIM broken (normal TRIM fine)
726 		 */
727 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 850*", "*" },
728 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
729 	},
730 	{
731 		/*
732 		 * Samsung 860 SSDs
733 		 * 4k optimised, NCQ TRIM broken (normal TRIM fine)
734 		 */
735 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 860*", "*" },
736 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
737 	},
738 	{
739 		/*
740 		 * Samsung 870 SSDs
741 		 * 4k optimised, NCQ TRIM broken (normal TRIM fine)
742 		 */
743 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 870*", "*" },
744 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
745 	},
746 	{
747 		/*
748 		 * Samsung SM863 Series SSDs (MZ7KM*)
749 		 * 4k optimised, NCQ believed to be working
750 		 */
751 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG MZ7KM*", "*" },
752 		/*quirks*/ADA_Q_4K
753 	},
754 	{
755 		/*
756 		 * Samsung 843T Series SSDs (MZ7WD*)
757 		 * Samsung PM851 Series SSDs (MZ7TE*)
758 		 * Samsung PM853T Series SSDs (MZ7GE*)
759 		 * 4k optimised, NCQ believed to be broken since these are
760 		 * appear to be built with the same controllers as the 840/850.
761 		 */
762 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG MZ7*", "*" },
763 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
764 	},
765 	{
766 		/*
767 		 * Same as for SAMSUNG MZ7* but enable the quirks for SSD
768 		 * starting with MZ7* too
769 		 */
770 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "MZ7*", "*" },
771 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
772 	},
773 	{
774 		/*
775 		 * Samsung PM851 Series SSDs Dell OEM
776 		 * device model          "SAMSUNG SSD PM851 mSATA 256GB"
777 		 * 4k optimised, NCQ broken
778 		 */
779 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG SSD PM851*", "*" },
780 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
781 	},
782 	{
783 		/*
784 		 * SuperTalent TeraDrive CT SSDs
785 		 * 4k optimised & trim only works in 4k requests + 4k aligned
786 		 */
787 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "FTM??CT25H*", "*" },
788 		/*quirks*/ADA_Q_4K
789 	},
790 	{
791 		/*
792 		 * XceedIOPS SATA SSDs
793 		 * 4k optimised
794 		 */
795 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SG9XCS2D*", "*" },
796 		/*quirks*/ADA_Q_4K
797 	},
798 	{
799 		/*
800 		 * Samsung drive that doesn't support READ LOG EXT or
801 		 * READ LOG DMA EXT, despite reporting that it does in
802 		 * ATA identify data:
803 		 * SAMSUNG HD200HJ KF100-06
804 		 */
805 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD200*", "*" },
806 		/*quirks*/ADA_Q_LOG_BROKEN
807 	},
808 	{
809 		/*
810 		 * Samsung drive that doesn't support READ LOG EXT or
811 		 * READ LOG DMA EXT, despite reporting that it does in
812 		 * ATA identify data:
813 		 * SAMSUNG HD501LJ CR100-10
814 		 */
815 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD501*", "*" },
816 		/*quirks*/ADA_Q_LOG_BROKEN
817 	},
818 	{
819 		/*
820 		 * Seagate Lamarr 8TB Shingled Magnetic Recording (SMR)
821 		 * Drive Managed SATA hard drive.  This drive doesn't report
822 		 * in firmware that it is a drive managed SMR drive.
823 		 */
824 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST8000AS000[23]*", "*" },
825 		/*quirks*/ADA_Q_SMR_DM
826 	},
827 	{
828 		/* WD Green SSD */
829 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WDS?????G0*", "*" },
830 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
831 	},
832 	{
833 		/* Seagate IronWolf 110 SATA SSD NCQ Trim is unstable */
834 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ZA*NM*", "*" },
835 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
836 	},
837 	{
838 		/* Default */
839 		{
840 		  T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED,
841 		  /*vendor*/"*", /*product*/"*", /*revision*/"*"
842 		},
843 		/*quirks*/0
844 	},
845 };
846 
847 static	disk_strategy_t	adastrategy;
848 static	dumper_t	adadump;
849 static	periph_init_t	adainit;
850 static	void		adadiskgonecb(struct disk *dp);
851 static	periph_oninv_t	adaoninvalidate;
852 static	periph_dtor_t	adacleanup;
853 static	void		adaasync(void *callback_arg, uint32_t code,
854 				struct cam_path *path, void *arg);
855 static	int		adabitsysctl(SYSCTL_HANDLER_ARGS);
856 static	int		adaflagssysctl(SYSCTL_HANDLER_ARGS);
857 static	int		adazonesupsysctl(SYSCTL_HANDLER_ARGS);
858 static	void		adasysctlinit(void *context, int pending);
859 static	int		adagetattr(struct bio *bp);
860 static	void		adasetflags(struct ada_softc *softc,
861 				    struct ccb_getdev *cgd);
862 static void		adasetgeom(struct ada_softc *softc,
863 				   struct ccb_getdev *cgd);
864 static	periph_ctor_t	adaregister;
865 static	void		ada_dsmtrim(struct ada_softc *softc, struct bio *bp,
866 				    struct ccb_ataio *ataio);
867 static	void 		ada_cfaerase(struct ada_softc *softc, struct bio *bp,
868 				     struct ccb_ataio *ataio);
869 static	int		ada_zone_bio_to_ata(int disk_zone_cmd);
870 static	int		ada_zone_cmd(struct cam_periph *periph, union ccb *ccb,
871 				     struct bio *bp, int *queue_ccb);
872 static	periph_start_t	adastart;
873 static	void		adaprobedone(struct cam_periph *periph, union ccb *ccb);
874 static	void		adazonedone(struct cam_periph *periph, union ccb *ccb);
875 static	void		adadone(struct cam_periph *periph,
876 			       union ccb *done_ccb);
877 static  int		adaerror(union ccb *ccb, uint32_t cam_flags,
878 				uint32_t sense_flags);
879 static callout_func_t	adasendorderedtag;
880 static void		adashutdown(void *arg, int howto);
881 static void		adasuspend(void *arg);
882 static void		adaresume(void *arg);
883 
884 #ifndef ADA_DEFAULT_TIMEOUT
885 #define ADA_DEFAULT_TIMEOUT 30	/* Timeout in seconds */
886 #endif
887 
888 #ifndef	ADA_DEFAULT_RETRY
889 #define	ADA_DEFAULT_RETRY	4
890 #endif
891 
892 #ifndef	ADA_DEFAULT_SEND_ORDERED
893 #define	ADA_DEFAULT_SEND_ORDERED	1
894 #endif
895 
896 #ifndef	ADA_DEFAULT_SPINDOWN_SHUTDOWN
897 #define	ADA_DEFAULT_SPINDOWN_SHUTDOWN	1
898 #endif
899 
900 #ifndef	ADA_DEFAULT_SPINDOWN_SUSPEND
901 #define	ADA_DEFAULT_SPINDOWN_SUSPEND	1
902 #endif
903 
904 #ifndef	ADA_DEFAULT_READ_AHEAD
905 #define	ADA_DEFAULT_READ_AHEAD	1
906 #endif
907 
908 #ifndef	ADA_DEFAULT_WRITE_CACHE
909 #define	ADA_DEFAULT_WRITE_CACHE	1
910 #endif
911 
912 #define	ADA_RA	(softc->read_ahead >= 0 ? \
913 		 softc->read_ahead : ada_read_ahead)
914 #define	ADA_WC	(softc->write_cache >= 0 ? \
915 		 softc->write_cache : ada_write_cache)
916 
917 static int ada_retry_count = ADA_DEFAULT_RETRY;
918 static int ada_default_timeout = ADA_DEFAULT_TIMEOUT;
919 static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED;
920 static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN;
921 static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND;
922 static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD;
923 static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE;
924 static int ada_enable_biospeedup = 1;
925 static int ada_enable_uma_ccbs = 1;
926 
927 static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
928     "CAM Direct Access Disk driver");
929 SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RWTUN,
930            &ada_retry_count, 0, "Normal I/O retry count");
931 SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RWTUN,
932            &ada_default_timeout, 0, "Normal I/O timeout (in seconds)");
933 SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RWTUN,
934            &ada_send_ordered, 0, "Send Ordered Tags");
935 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RWTUN,
936            &ada_spindown_shutdown, 0, "Spin down upon shutdown");
937 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RWTUN,
938            &ada_spindown_suspend, 0, "Spin down upon suspend");
939 SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RWTUN,
940            &ada_read_ahead, 0, "Enable disk read-ahead");
941 SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RWTUN,
942            &ada_write_cache, 0, "Enable disk write cache");
943 SYSCTL_INT(_kern_cam_ada, OID_AUTO, enable_biospeedup, CTLFLAG_RDTUN,
944 	   &ada_enable_biospeedup, 0, "Enable BIO_SPEEDUP processing");
945 SYSCTL_INT(_kern_cam_ada, OID_AUTO, enable_uma_ccbs, CTLFLAG_RWTUN,
946 	    &ada_enable_uma_ccbs, 0, "Use UMA for CCBs");
947 
948 /*
949  * ADA_ORDEREDTAG_INTERVAL determines how often, relative
950  * to the default timeout, we check to see whether an ordered
951  * tagged transaction is appropriate to prevent simple tag
952  * starvation.  Since we'd like to ensure that there is at least
953  * 1/2 of the timeout length left for a starved transaction to
954  * complete after we've sent an ordered tag, we must poll at least
955  * four times in every timeout period.  This takes care of the worst
956  * case where a starved transaction starts during an interval that
957  * meets the requirement "don't send an ordered tag" test so it takes
958  * us two intervals to determine that a tag must be sent.
959  */
960 #ifndef ADA_ORDEREDTAG_INTERVAL
961 #define ADA_ORDEREDTAG_INTERVAL 4
962 #endif
963 
964 static struct periph_driver adadriver =
965 {
966 	adainit, "ada",
967 	TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0
968 };
969 
970 static int adadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
971 
972 PERIPHDRIVER_DECLARE(ada, adadriver);
973 
974 static MALLOC_DEFINE(M_ATADA, "ata_da", "ata_da buffers");
975 
976 static int
977 adaopen(struct disk *dp)
978 {
979 	struct cam_periph *periph;
980 	struct ada_softc *softc;
981 	int error;
982 
983 	periph = (struct cam_periph *)dp->d_drv1;
984 	if (cam_periph_acquire(periph) != 0) {
985 		return(ENXIO);
986 	}
987 
988 	cam_periph_lock(periph);
989 	if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) {
990 		cam_periph_unlock(periph);
991 		cam_periph_release(periph);
992 		return (error);
993 	}
994 
995 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
996 	    ("adaopen\n"));
997 
998 	softc = (struct ada_softc *)periph->softc;
999 	softc->flags |= ADA_FLAG_OPEN;
1000 
1001 	cam_periph_unhold(periph);
1002 	cam_periph_unlock(periph);
1003 	return (0);
1004 }
1005 
1006 static int
1007 adaclose(struct disk *dp)
1008 {
1009 	struct	cam_periph *periph;
1010 	struct	ada_softc *softc;
1011 	union ccb *ccb;
1012 	int error;
1013 
1014 	periph = (struct cam_periph *)dp->d_drv1;
1015 	softc = (struct ada_softc *)periph->softc;
1016 	cam_periph_lock(periph);
1017 
1018 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1019 	    ("adaclose\n"));
1020 
1021 	/* We only sync the cache if the drive is capable of it. */
1022 	if ((softc->flags & ADA_FLAG_DIRTY) != 0 &&
1023 	    (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 &&
1024 	    (periph->flags & CAM_PERIPH_INVALID) == 0 &&
1025 	    cam_periph_hold(periph, PRIBIO) == 0) {
1026 		ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1027 		cam_fill_ataio(&ccb->ataio,
1028 				    1,
1029 				    NULL,
1030 				    CAM_DIR_NONE,
1031 				    0,
1032 				    NULL,
1033 				    0,
1034 				    ada_default_timeout*1000);
1035 
1036 		if (softc->flags & ADA_FLAG_CAN_48BIT)
1037 			ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0);
1038 		else
1039 			ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0);
1040 		error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0,
1041 		    /*sense_flags*/0, softc->disk->d_devstat);
1042 
1043 		if (error != 0)
1044 			xpt_print(periph->path, "Synchronize cache failed\n");
1045 		softc->flags &= ~ADA_FLAG_DIRTY;
1046 		xpt_release_ccb(ccb);
1047 		cam_periph_unhold(periph);
1048 	}
1049 
1050 	softc->flags &= ~ADA_FLAG_OPEN;
1051 
1052 	while (softc->refcount != 0)
1053 		cam_periph_sleep(periph, &softc->refcount, PRIBIO, "adaclose", 1);
1054 	cam_periph_unlock(periph);
1055 	cam_periph_release(periph);
1056 	return (0);
1057 }
1058 
1059 static void
1060 adaschedule(struct cam_periph *periph)
1061 {
1062 	struct ada_softc *softc = (struct ada_softc *)periph->softc;
1063 
1064 	if (softc->state != ADA_STATE_NORMAL)
1065 		return;
1066 
1067 	cam_iosched_schedule(softc->cam_iosched, periph);
1068 }
1069 
1070 /*
1071  * Actually translate the requested transfer into one the physical driver
1072  * can understand.  The transfer is described by a buf and will include
1073  * only one physical transfer.
1074  */
1075 static void
1076 adastrategy(struct bio *bp)
1077 {
1078 	struct cam_periph *periph;
1079 	struct ada_softc *softc;
1080 
1081 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1082 	softc = (struct ada_softc *)periph->softc;
1083 
1084 	cam_periph_lock(periph);
1085 
1086 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp));
1087 
1088 	/*
1089 	 * If the device has been made invalid, error out
1090 	 */
1091 	if ((periph->flags & CAM_PERIPH_INVALID) != 0) {
1092 		cam_periph_unlock(periph);
1093 		biofinish(bp, NULL, ENXIO);
1094 		return;
1095 	}
1096 
1097 	/*
1098 	 * Zone commands must be ordered, because they can depend on the
1099 	 * effects of previously issued commands, and they may affect
1100 	 * commands after them.
1101 	 */
1102 	if (bp->bio_cmd == BIO_ZONE)
1103 		bp->bio_flags |= BIO_ORDERED;
1104 
1105 	/*
1106 	 * Place it in the queue of disk activities for this disk
1107 	 */
1108 	cam_iosched_queue_work(softc->cam_iosched, bp);
1109 
1110 	/*
1111 	 * Schedule ourselves for performing the work.
1112 	 */
1113 	adaschedule(periph);
1114 	cam_periph_unlock(periph);
1115 
1116 	return;
1117 }
1118 
1119 static int
1120 adadump(void *arg, void *virtual, off_t offset, size_t length)
1121 {
1122 	struct	    cam_periph *periph;
1123 	struct	    ada_softc *softc;
1124 	u_int	    secsize;
1125 	struct	    ccb_ataio ataio;
1126 	struct	    disk *dp;
1127 	uint64_t    lba;
1128 	uint16_t    count;
1129 	int	    error = 0;
1130 
1131 	dp = arg;
1132 	periph = dp->d_drv1;
1133 	softc = (struct ada_softc *)periph->softc;
1134 	secsize = softc->params.secsize;
1135 	lba = offset / secsize;
1136 	count = length / secsize;
1137 	if ((periph->flags & CAM_PERIPH_INVALID) != 0)
1138 		return (ENXIO);
1139 
1140 	memset(&ataio, 0, sizeof(ataio));
1141 	if (length > 0) {
1142 		xpt_setup_ccb(&ataio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1143 		ataio.ccb_h.ccb_state = ADA_CCB_DUMP;
1144 		cam_fill_ataio(&ataio,
1145 		    0,
1146 		    NULL,
1147 		    CAM_DIR_OUT,
1148 		    0,
1149 		    (uint8_t *) virtual,
1150 		    length,
1151 		    ada_default_timeout*1000);
1152 		if ((softc->flags & ADA_FLAG_CAN_48BIT) &&
1153 		    (lba + count >= ATA_MAX_28BIT_LBA ||
1154 		    count >= 256)) {
1155 			ata_48bit_cmd(&ataio, ATA_WRITE_DMA48,
1156 			    0, lba, count);
1157 		} else {
1158 			ata_28bit_cmd(&ataio, ATA_WRITE_DMA,
1159 			    0, lba, count);
1160 		}
1161 		error = cam_periph_runccb((union ccb *)&ataio, adaerror,
1162 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1163 		if (error != 0)
1164 			printf("Aborting dump due to I/O error.\n");
1165 
1166 		return (error);
1167 	}
1168 
1169 	if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) {
1170 		xpt_setup_ccb(&ataio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1171 
1172 		/*
1173 		 * Tell the drive to flush its internal cache. if we
1174 		 * can't flush in 5s we have big problems. No need to
1175 		 * wait the default 60s to detect problems.
1176 		 */
1177 		ataio.ccb_h.ccb_state = ADA_CCB_DUMP;
1178 		cam_fill_ataio(&ataio,
1179 				    0,
1180 				    NULL,
1181 				    CAM_DIR_NONE,
1182 				    0,
1183 				    NULL,
1184 				    0,
1185 				    5*1000);
1186 
1187 		if (softc->flags & ADA_FLAG_CAN_48BIT)
1188 			ata_48bit_cmd(&ataio, ATA_FLUSHCACHE48, 0, 0, 0);
1189 		else
1190 			ata_28bit_cmd(&ataio, ATA_FLUSHCACHE, 0, 0, 0);
1191 		error = cam_periph_runccb((union ccb *)&ataio, adaerror,
1192 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1193 		if (error != 0)
1194 			xpt_print(periph->path, "Synchronize cache failed\n");
1195 	}
1196 	return (error);
1197 }
1198 
1199 static void
1200 adainit(void)
1201 {
1202 	cam_status status;
1203 
1204 	ada_ccb_zone = uma_zcreate("ada_ccb",
1205 	    sizeof(struct ccb_ataio), NULL, NULL, NULL, NULL,
1206 	    UMA_ALIGN_PTR, 0);
1207 
1208 	/*
1209 	 * Install a global async callback.  This callback will
1210 	 * receive async callbacks like "new device found".
1211 	 */
1212 	status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL);
1213 
1214 	if (status != CAM_REQ_CMP) {
1215 		printf("ada: Failed to attach master async callback "
1216 		       "due to status 0x%x!\n", status);
1217 	} else if (ada_send_ordered) {
1218 		/* Register our event handlers */
1219 		if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend,
1220 					   NULL, EVENTHANDLER_PRI_LAST)) == NULL)
1221 		    printf("adainit: power event registration failed!\n");
1222 		if ((EVENTHANDLER_REGISTER(power_resume, adaresume,
1223 					   NULL, EVENTHANDLER_PRI_LAST)) == NULL)
1224 		    printf("adainit: power event registration failed!\n");
1225 		if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown,
1226 					   NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1227 		    printf("adainit: shutdown event registration failed!\n");
1228 	}
1229 }
1230 
1231 /*
1232  * Callback from GEOM, called when it has finished cleaning up its
1233  * resources.
1234  */
1235 static void
1236 adadiskgonecb(struct disk *dp)
1237 {
1238 	struct cam_periph *periph;
1239 
1240 	periph = (struct cam_periph *)dp->d_drv1;
1241 
1242 	cam_periph_release(periph);
1243 }
1244 
1245 static void
1246 adaoninvalidate(struct cam_periph *periph)
1247 {
1248 	struct ada_softc *softc;
1249 
1250 	softc = (struct ada_softc *)periph->softc;
1251 
1252 	/*
1253 	 * De-register any async callbacks.
1254 	 */
1255 	xpt_register_async(0, adaasync, periph, periph->path);
1256 #ifdef CAM_IO_STATS
1257 	softc->invalidations++;
1258 #endif
1259 
1260 	/*
1261 	 * Return all queued I/O with ENXIO. Transactions may be queued up here
1262 	 * for retry (since we are called while there's other transactions
1263 	 * pending). Any requests in the hardware will drain before ndacleanup
1264 	 * is called.
1265 	 */
1266 	cam_iosched_flush(softc->cam_iosched, NULL, ENXIO);
1267 
1268 	/*
1269 	 * Tell GEOM that we've gone away, we'll get a callback when it is
1270 	 * done cleaning up its resources.
1271 	 */
1272 	disk_gone(softc->disk);
1273 }
1274 
1275 static void
1276 adacleanup(struct cam_periph *periph)
1277 {
1278 	struct ada_softc *softc;
1279 
1280 	softc = (struct ada_softc *)periph->softc;
1281 
1282 	cam_periph_unlock(periph);
1283 
1284 	cam_iosched_fini(softc->cam_iosched);
1285 
1286 	/*
1287 	 * If we can't free the sysctl tree, oh well...
1288 	 */
1289 	if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0) {
1290 #ifdef CAM_IO_STATS
1291 		if (sysctl_ctx_free(&softc->sysctl_stats_ctx) != 0)
1292 			xpt_print(periph->path,
1293 			    "can't remove sysctl stats context\n");
1294 #endif
1295 		if (sysctl_ctx_free(&softc->sysctl_ctx) != 0)
1296 			xpt_print(periph->path,
1297 			    "can't remove sysctl context\n");
1298 	}
1299 
1300 	disk_destroy(softc->disk);
1301 	callout_drain(&softc->sendordered_c);
1302 	free(softc, M_DEVBUF);
1303 	cam_periph_lock(periph);
1304 }
1305 
1306 static void
1307 adasetdeletemethod(struct ada_softc *softc)
1308 {
1309 
1310 	if (softc->flags & ADA_FLAG_CAN_NCQ_TRIM)
1311 		softc->delete_method = ADA_DELETE_NCQ_DSM_TRIM;
1312 	else if (softc->flags & ADA_FLAG_CAN_TRIM)
1313 		softc->delete_method = ADA_DELETE_DSM_TRIM;
1314 	else if ((softc->flags & ADA_FLAG_CAN_CFA) && !(softc->flags & ADA_FLAG_CAN_48BIT))
1315 		softc->delete_method = ADA_DELETE_CFA_ERASE;
1316 	else
1317 		softc->delete_method = ADA_DELETE_NONE;
1318 }
1319 
1320 static void
1321 adaasync(void *callback_arg, uint32_t code,
1322 	struct cam_path *path, void *arg)
1323 {
1324 	struct ccb_getdev cgd;
1325 	struct cam_periph *periph;
1326 	struct ada_softc *softc;
1327 
1328 	periph = (struct cam_periph *)callback_arg;
1329 	switch (code) {
1330 	case AC_FOUND_DEVICE:
1331 	{
1332 		struct ccb_getdev *cgd;
1333 		cam_status status;
1334 
1335 		cgd = (struct ccb_getdev *)arg;
1336 		if (cgd == NULL)
1337 			break;
1338 
1339 		if (cgd->protocol != PROTO_ATA)
1340 			break;
1341 
1342 		/*
1343 		 * Allocate a peripheral instance for
1344 		 * this device and start the probe
1345 		 * process.
1346 		 */
1347 		status = cam_periph_alloc(adaregister, adaoninvalidate,
1348 					  adacleanup, adastart,
1349 					  "ada", CAM_PERIPH_BIO,
1350 					  path, adaasync,
1351 					  AC_FOUND_DEVICE, cgd);
1352 
1353 		if (status != CAM_REQ_CMP
1354 		 && status != CAM_REQ_INPROG)
1355 			printf("adaasync: Unable to attach to new device "
1356 				"due to status 0x%x\n", status);
1357 		break;
1358 	}
1359 	case AC_GETDEV_CHANGED:
1360 	{
1361 		softc = (struct ada_softc *)periph->softc;
1362 		memset(&cgd, 0, sizeof(cgd));
1363 		xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1364 		cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1365 		xpt_action((union ccb *)&cgd);
1366 
1367 		/*
1368 		 * Update our information based on the new Identify data.
1369 		 */
1370 		adasetflags(softc, &cgd);
1371 		adasetgeom(softc, &cgd);
1372 		disk_resize(softc->disk, M_NOWAIT);
1373 		break;
1374 	}
1375 	case AC_ADVINFO_CHANGED:
1376 	{
1377 		uintptr_t buftype;
1378 
1379 		buftype = (uintptr_t)arg;
1380 		if (buftype == CDAI_TYPE_PHYS_PATH) {
1381 			struct ada_softc *softc;
1382 
1383 			softc = periph->softc;
1384 			disk_attr_changed(softc->disk, "GEOM::physpath",
1385 					  M_NOWAIT);
1386 		}
1387 		break;
1388 	}
1389 	case AC_SENT_BDR:
1390 	case AC_BUS_RESET:
1391 	{
1392 		softc = (struct ada_softc *)periph->softc;
1393 		if (softc->state != ADA_STATE_NORMAL)
1394 			break;
1395 		if (ADA_RA >= 0 && softc->flags & ADA_FLAG_CAN_RAHEAD)
1396 			softc->state = ADA_STATE_RAHEAD;
1397 		else if (ADA_WC >= 0 && softc->flags & ADA_FLAG_CAN_WCACHE)
1398 			softc->state = ADA_STATE_WCACHE;
1399 		else if ((softc->flags & ADA_FLAG_CAN_LOG)
1400 		      && (softc->zone_mode != ADA_ZONE_NONE))
1401 			softc->state = ADA_STATE_LOGDIR;
1402 		else
1403 			break;
1404 		if (cam_periph_acquire(periph) != 0)
1405 			softc->state = ADA_STATE_NORMAL;
1406 		else
1407 			xpt_schedule(periph, CAM_PRIORITY_DEV);
1408 		break;
1409 	}
1410 	default:
1411 		break;
1412 	}
1413 	cam_periph_async(periph, code, path, arg);
1414 }
1415 
1416 static int
1417 adazonemodesysctl(SYSCTL_HANDLER_ARGS)
1418 {
1419 	char tmpbuf[40];
1420 	struct ada_softc *softc;
1421 	int error;
1422 
1423 	softc = (struct ada_softc *)arg1;
1424 
1425 	switch (softc->zone_mode) {
1426 	case ADA_ZONE_DRIVE_MANAGED:
1427 		snprintf(tmpbuf, sizeof(tmpbuf), "Drive Managed");
1428 		break;
1429 	case ADA_ZONE_HOST_AWARE:
1430 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Aware");
1431 		break;
1432 	case ADA_ZONE_HOST_MANAGED:
1433 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Managed");
1434 		break;
1435 	case ADA_ZONE_NONE:
1436 	default:
1437 		snprintf(tmpbuf, sizeof(tmpbuf), "Not Zoned");
1438 		break;
1439 	}
1440 
1441 	error = sysctl_handle_string(oidp, tmpbuf, sizeof(tmpbuf), req);
1442 
1443 	return (error);
1444 }
1445 
1446 static int
1447 adazonesupsysctl(SYSCTL_HANDLER_ARGS)
1448 {
1449 	struct ada_softc *softc;
1450 	struct sbuf sb;
1451 	int error, first;
1452 	unsigned int i;
1453 
1454 	softc = (struct ada_softc *)arg1;
1455 
1456 	first = 1;
1457 	sbuf_new_for_sysctl(&sb, NULL, 0, req);
1458 
1459 	for (i = 0; i < sizeof(ada_zone_desc_table) /
1460 	     sizeof(ada_zone_desc_table[0]); i++) {
1461 		if (softc->zone_flags & ada_zone_desc_table[i].value) {
1462 			if (first == 0)
1463 				sbuf_cat(&sb, ", ");
1464 			else
1465 				first = 0;
1466 			sbuf_cat(&sb, ada_zone_desc_table[i].desc);
1467 		}
1468 	}
1469 
1470 	if (first == 1)
1471 		sbuf_cat(&sb, "None");
1472 
1473 	error = sbuf_finish(&sb);
1474 	sbuf_delete(&sb);
1475 	return (error);
1476 }
1477 
1478 static void
1479 adasysctlinit(void *context, int pending)
1480 {
1481 	struct cam_periph *periph;
1482 	struct ada_softc *softc;
1483 	char tmpstr[32], tmpstr2[16];
1484 
1485 	periph = (struct cam_periph *)context;
1486 
1487 	/* periph was held for us when this task was enqueued */
1488 	if ((periph->flags & CAM_PERIPH_INVALID) != 0) {
1489 		cam_periph_release(periph);
1490 		return;
1491 	}
1492 
1493 	softc = (struct ada_softc *)periph->softc;
1494 	snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d",periph->unit_number);
1495 	snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1496 
1497 	sysctl_ctx_init(&softc->sysctl_ctx);
1498 	softc->flags |= ADA_FLAG_SCTX_INIT;
1499 	softc->sysctl_tree = SYSCTL_ADD_NODE_WITH_LABEL(&softc->sysctl_ctx,
1500 		SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2,
1501 		CTLFLAG_RD | CTLFLAG_MPSAFE, 0, tmpstr, "device_index");
1502 	if (softc->sysctl_tree == NULL) {
1503 		printf("adasysctlinit: unable to allocate sysctl tree\n");
1504 		cam_periph_release(periph);
1505 		return;
1506 	}
1507 
1508 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1509 		OID_AUTO, "delete_method",
1510 		CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_MPSAFE,
1511 		softc, 0, adadeletemethodsysctl, "A",
1512 		"BIO_DELETE execution method");
1513 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1514 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1515 		"trim_count", CTLFLAG_RD, &softc->trim_count,
1516 		"Total number of dsm commands sent");
1517 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1518 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1519 		"trim_ranges", CTLFLAG_RD, &softc->trim_ranges,
1520 		"Total number of ranges in dsm commands");
1521 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1522 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1523 		"trim_lbas", CTLFLAG_RD, &softc->trim_lbas,
1524 		"Total lbas in the dsm commands sent");
1525 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1526 		OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE,
1527 		&softc->read_ahead, 0, "Enable disk read ahead.");
1528 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1529 		OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE,
1530 		&softc->write_cache, 0, "Enable disk write cache.");
1531 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1532 		OID_AUTO, "zone_mode",
1533 		CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
1534 		softc, 0, adazonemodesysctl, "A",
1535 		"Zone Mode");
1536 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1537 		OID_AUTO, "zone_support",
1538 		CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
1539 		softc, 0, adazonesupsysctl, "A",
1540 		"Zone Support");
1541 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1542 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1543 		"optimal_seq_zones", CTLFLAG_RD, &softc->optimal_seq_zones,
1544 		"Optimal Number of Open Sequential Write Preferred Zones");
1545 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1546 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1547 		"optimal_nonseq_zones", CTLFLAG_RD,
1548 		&softc->optimal_nonseq_zones,
1549 		"Optimal Number of Non-Sequentially Written Sequential Write "
1550 		"Preferred Zones");
1551 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1552 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1553 		"max_seq_zones", CTLFLAG_RD, &softc->max_seq_zones,
1554 		"Maximum Number of Open Sequential Write Required Zones");
1555 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1556 	    OID_AUTO, "flags", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
1557 	    softc, 0, adaflagssysctl, "A",
1558 	    "Flags for drive");
1559 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1560 	    OID_AUTO, "unmapped_io", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE,
1561 	    &softc->flags, (u_int)ADA_FLAG_UNMAPPEDIO, adabitsysctl, "I",
1562 	    "Use unmapped I/O. This sysctl is *DEPRECATED*, gone in FreeBSD 15");
1563 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1564 	    OID_AUTO, "rotating", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE,
1565 	    &softc->flags, (u_int)ADA_FLAG_ROTATING, adabitsysctl, "I",
1566 	    "Rotating media. This sysctl is *DEPRECATED*, gone in FreeBSD 15");
1567 
1568 #ifdef CAM_TEST_FAILURE
1569 	/*
1570 	 * Add a 'door bell' sysctl which allows one to set it from userland
1571 	 * and cause something bad to happen.  For the moment, we only allow
1572 	 * whacking the next read or write.
1573 	 */
1574 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1575 		OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE,
1576 		&softc->force_read_error, 0,
1577 		"Force a read error for the next N reads.");
1578 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1579 		OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE,
1580 		&softc->force_write_error, 0,
1581 		"Force a write error for the next N writes.");
1582 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1583 		OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE,
1584 		&softc->periodic_read_error, 0,
1585 		"Force a read error every N reads (don't set too low).");
1586 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1587 		OID_AUTO, "invalidate", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE,
1588 		periph, 0, cam_periph_invalidate_sysctl, "I",
1589 		"Write 1 to invalidate the drive immediately");
1590 #endif
1591 
1592 #ifdef CAM_IO_STATS
1593 	softc->sysctl_stats_tree = SYSCTL_ADD_NODE(&softc->sysctl_stats_ctx,
1594 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "stats",
1595 		CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Statistics");
1596 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
1597 		SYSCTL_CHILDREN(softc->sysctl_stats_tree),
1598 		OID_AUTO, "timeouts", CTLFLAG_RD | CTLFLAG_MPSAFE,
1599 		&softc->timeouts, 0,
1600 		"Device timeouts reported by the SIM");
1601 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
1602 		SYSCTL_CHILDREN(softc->sysctl_stats_tree),
1603 		OID_AUTO, "errors", CTLFLAG_RD | CTLFLAG_MPSAFE,
1604 		&softc->errors, 0,
1605 		"Transport errors reported by the SIM.");
1606 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
1607 		SYSCTL_CHILDREN(softc->sysctl_stats_tree),
1608 		OID_AUTO, "pack_invalidations", CTLFLAG_RD | CTLFLAG_MPSAFE,
1609 		&softc->invalidations, 0,
1610 		"Device pack invalidations.");
1611 #endif
1612 
1613 	cam_iosched_sysctl_init(softc->cam_iosched, &softc->sysctl_ctx,
1614 	    softc->sysctl_tree);
1615 
1616 	cam_periph_release(periph);
1617 }
1618 
1619 static int
1620 adagetattr(struct bio *bp)
1621 {
1622 	int ret;
1623 	struct cam_periph *periph;
1624 
1625 	if (g_handleattr_int(bp, "GEOM::canspeedup", ada_enable_biospeedup))
1626 		return (EJUSTRETURN);
1627 
1628 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1629 	cam_periph_lock(periph);
1630 	ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1631 	    periph->path);
1632 	cam_periph_unlock(periph);
1633 	if (ret == 0)
1634 		bp->bio_completed = bp->bio_length;
1635 	return ret;
1636 }
1637 
1638 static int
1639 adadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
1640 {
1641 	char buf[16];
1642 	const char *p;
1643 	struct ada_softc *softc;
1644 	int i, error, value, methods;
1645 
1646 	softc = (struct ada_softc *)arg1;
1647 
1648 	value = softc->delete_method;
1649 	if (value < 0 || value > ADA_DELETE_MAX)
1650 		p = "UNKNOWN";
1651 	else
1652 		p = ada_delete_method_names[value];
1653 	strncpy(buf, p, sizeof(buf));
1654 	error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
1655 	if (error != 0 || req->newptr == NULL)
1656 		return (error);
1657 	methods = 1 << ADA_DELETE_DISABLE;
1658 	if ((softc->flags & ADA_FLAG_CAN_CFA) &&
1659 	    !(softc->flags & ADA_FLAG_CAN_48BIT))
1660 		methods |= 1 << ADA_DELETE_CFA_ERASE;
1661 	if (softc->flags & ADA_FLAG_CAN_TRIM)
1662 		methods |= 1 << ADA_DELETE_DSM_TRIM;
1663 	if (softc->flags & ADA_FLAG_CAN_NCQ_TRIM)
1664 		methods |= 1 << ADA_DELETE_NCQ_DSM_TRIM;
1665 	for (i = 0; i <= ADA_DELETE_MAX; i++) {
1666 		if (!(methods & (1 << i)) ||
1667 		    strcmp(buf, ada_delete_method_names[i]) != 0)
1668 			continue;
1669 		softc->delete_method = i;
1670 		return (0);
1671 	}
1672 	return (EINVAL);
1673 }
1674 
1675 static int
1676 adabitsysctl(SYSCTL_HANDLER_ARGS)
1677 {
1678 	u_int *flags = arg1;
1679 	u_int test = arg2;
1680 	int tmpout, error;
1681 
1682 	tmpout = !!(*flags & test);
1683 	error = SYSCTL_OUT(req, &tmpout, sizeof(tmpout));
1684 	if (error || !req->newptr)
1685 		return (error);
1686 
1687 	return (EPERM);
1688 }
1689 
1690 static int
1691 adaflagssysctl(SYSCTL_HANDLER_ARGS)
1692 {
1693 	struct sbuf sbuf;
1694 	struct ada_softc *softc = arg1;
1695 	int error;
1696 
1697 	sbuf_new_for_sysctl(&sbuf, NULL, 0, req);
1698 	if (softc->flags != 0)
1699 		sbuf_printf(&sbuf, "0x%b", (unsigned)softc->flags, ADA_FLAG_STRING);
1700 	else
1701 		sbuf_putc(&sbuf, '0');
1702 	error = sbuf_finish(&sbuf);
1703 	sbuf_delete(&sbuf);
1704 
1705 	return (error);
1706 }
1707 
1708 static void
1709 adasetflags(struct ada_softc *softc, struct ccb_getdev *cgd)
1710 {
1711 	if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) &&
1712 	    (cgd->inq_flags & SID_DMA))
1713 		softc->flags |= ADA_FLAG_CAN_DMA;
1714 	else
1715 		softc->flags &= ~ADA_FLAG_CAN_DMA;
1716 
1717 	if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) {
1718 		softc->flags |= ADA_FLAG_CAN_48BIT;
1719 		if (cgd->inq_flags & SID_DMA48)
1720 			softc->flags |= ADA_FLAG_CAN_DMA48;
1721 		else
1722 			softc->flags &= ~ADA_FLAG_CAN_DMA48;
1723 	} else
1724 		softc->flags &= ~(ADA_FLAG_CAN_48BIT | ADA_FLAG_CAN_DMA48);
1725 
1726 	if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE)
1727 		softc->flags |= ADA_FLAG_CAN_FLUSHCACHE;
1728 	else
1729 		softc->flags &= ~ADA_FLAG_CAN_FLUSHCACHE;
1730 
1731 	if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT)
1732 		softc->flags |= ADA_FLAG_CAN_POWERMGT;
1733 	else
1734 		softc->flags &= ~ADA_FLAG_CAN_POWERMGT;
1735 
1736 	if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) &&
1737 	    (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue))
1738 		softc->flags |= ADA_FLAG_CAN_NCQ;
1739 	else
1740 		softc->flags &= ~ADA_FLAG_CAN_NCQ;
1741 
1742 	if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) &&
1743 	    (cgd->inq_flags & SID_DMA) &&
1744 	    (softc->quirks & ADA_Q_NO_TRIM) == 0) {
1745 		softc->flags |= ADA_FLAG_CAN_TRIM;
1746 		softc->trim_max_ranges = TRIM_MAX_RANGES;
1747 		if (cgd->ident_data.max_dsm_blocks != 0) {
1748 			softc->trim_max_ranges =
1749 			    min(cgd->ident_data.max_dsm_blocks *
1750 				ATA_DSM_BLK_RANGES, softc->trim_max_ranges);
1751 		}
1752 		/*
1753 		 * If we can do RCVSND_FPDMA_QUEUED commands, we may be able
1754 		 * to do NCQ trims, if we support trims at all. We also need
1755 		 * support from the SIM to do things properly. Perhaps we
1756 		 * should look at log 13 dword 0 bit 0 and dword 1 bit 0 are
1757 		 * set too...
1758 		 */
1759 		if ((softc->quirks & ADA_Q_NCQ_TRIM_BROKEN) == 0 &&
1760 		    (softc->flags & ADA_FLAG_PIM_ATA_EXT) != 0 &&
1761 		    (cgd->ident_data.satacapabilities2 &
1762 		     ATA_SUPPORT_RCVSND_FPDMA_QUEUED) != 0 &&
1763 		    (softc->flags & ADA_FLAG_CAN_TRIM) != 0)
1764 			softc->flags |= ADA_FLAG_CAN_NCQ_TRIM;
1765 		else
1766 			softc->flags &= ~ADA_FLAG_CAN_NCQ_TRIM;
1767 	} else
1768 		softc->flags &= ~(ADA_FLAG_CAN_TRIM | ADA_FLAG_CAN_NCQ_TRIM);
1769 
1770 	if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA)
1771 		softc->flags |= ADA_FLAG_CAN_CFA;
1772 	else
1773 		softc->flags &= ~ADA_FLAG_CAN_CFA;
1774 
1775 	/*
1776 	 * Now that we've set the appropriate flags, setup the delete
1777 	 * method.
1778 	 */
1779 	adasetdeletemethod(softc);
1780 
1781 	if ((cgd->ident_data.support.extension & ATA_SUPPORT_GENLOG)
1782 	 && ((softc->quirks & ADA_Q_LOG_BROKEN) == 0))
1783 		softc->flags |= ADA_FLAG_CAN_LOG;
1784 	else
1785 		softc->flags &= ~ADA_FLAG_CAN_LOG;
1786 
1787 	if ((cgd->ident_data.support3 & ATA_SUPPORT_ZONE_MASK) ==
1788 	     ATA_SUPPORT_ZONE_HOST_AWARE)
1789 		softc->zone_mode = ADA_ZONE_HOST_AWARE;
1790 	else if (((cgd->ident_data.support3 & ATA_SUPPORT_ZONE_MASK) ==
1791 		   ATA_SUPPORT_ZONE_DEV_MANAGED)
1792 	      || (softc->quirks & ADA_Q_SMR_DM))
1793 		softc->zone_mode = ADA_ZONE_DRIVE_MANAGED;
1794 	else
1795 		softc->zone_mode = ADA_ZONE_NONE;
1796 
1797 	if (cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD)
1798 		softc->flags |= ADA_FLAG_CAN_RAHEAD;
1799 	else
1800 		softc->flags &= ~ADA_FLAG_CAN_RAHEAD;
1801 
1802 	if (cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE)
1803 		softc->flags |= ADA_FLAG_CAN_WCACHE;
1804 	else
1805 		softc->flags &= ~ADA_FLAG_CAN_WCACHE;
1806 }
1807 
1808 static cam_status
1809 adaregister(struct cam_periph *periph, void *arg)
1810 {
1811 	struct ada_softc *softc;
1812 	struct ccb_getdev *cgd;
1813 	struct disk_params *dp;
1814 	struct sbuf sb;
1815 	char   *announce_buf;
1816 	caddr_t match;
1817 	int quirks;
1818 
1819 	cgd = (struct ccb_getdev *)arg;
1820 	if (cgd == NULL) {
1821 		printf("adaregister: no getdev CCB, can't register device\n");
1822 		return(CAM_REQ_CMP_ERR);
1823 	}
1824 
1825 	softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF,
1826 	    M_NOWAIT|M_ZERO);
1827 
1828 	if (softc == NULL) {
1829 		printf("adaregister: Unable to probe new device. "
1830 		    "Unable to allocate softc\n");
1831 		return(CAM_REQ_CMP_ERR);
1832 	}
1833 
1834 	announce_buf = softc->announce_temp;
1835 	bzero(announce_buf, ADA_ANNOUNCETMP_SZ);
1836 
1837 	periph->softc = softc;
1838 	xpt_path_inq(&softc->cpi, periph->path);
1839 
1840 	/*
1841 	 * See if this device has any quirks.
1842 	 */
1843 	match = cam_quirkmatch((caddr_t)&cgd->ident_data,
1844 			       (caddr_t)ada_quirk_table,
1845 			       nitems(ada_quirk_table),
1846 			       sizeof(*ada_quirk_table), ata_identify_match);
1847 	if (match != NULL)
1848 		softc->quirks = ((struct ada_quirk_entry *)match)->quirks;
1849 	else
1850 		softc->quirks = ADA_Q_NONE;
1851 
1852 	TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph);
1853 
1854 	/*
1855 	 * Take a reference on the periph while adastart is called to finish
1856 	 * the probe.  The reference will be dropped in adaprobedone at the
1857 	 * end of probe.
1858 	 */
1859 	(void)cam_periph_acquire(periph);
1860 	cam_periph_unlock(periph);
1861 	snprintf(announce_buf, ADA_ANNOUNCETMP_SZ,
1862 	    "kern.cam.ada.%d.quirks", periph->unit_number);
1863 	quirks = softc->quirks;
1864 	TUNABLE_INT_FETCH(announce_buf, &quirks);
1865 	softc->quirks = quirks;
1866 	softc->read_ahead = -1;
1867 	snprintf(announce_buf, ADA_ANNOUNCETMP_SZ,
1868 	    "kern.cam.ada.%d.read_ahead", periph->unit_number);
1869 	TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead);
1870 	softc->write_cache = -1;
1871 	snprintf(announce_buf, ADA_ANNOUNCETMP_SZ,
1872 	    "kern.cam.ada.%d.write_cache", periph->unit_number);
1873 	TUNABLE_INT_FETCH(announce_buf, &softc->write_cache);
1874 
1875 	/*
1876 	 * Let XPT know we can use UMA-allocated CCBs.
1877 	 */
1878 	if (ada_enable_uma_ccbs) {
1879 		KASSERT(ada_ccb_zone != NULL,
1880 		    ("%s: NULL ada_ccb_zone", __func__));
1881 		periph->ccb_zone = ada_ccb_zone;
1882 	}
1883 
1884 	/*
1885 	 * Set support flags based on the Identify data and quirks.
1886 	 */
1887 	adasetflags(softc, cgd);
1888 	if (softc->cpi.hba_misc & PIM_ATA_EXT)
1889 		softc->flags |= ADA_FLAG_PIM_ATA_EXT;
1890 
1891 	/* Disable queue sorting for non-rotational media by default. */
1892 	if (cgd->ident_data.media_rotation_rate == ATA_RATE_NON_ROTATING) {
1893 		softc->flags &= ~ADA_FLAG_ROTATING;
1894 	} else {
1895 		softc->flags |= ADA_FLAG_ROTATING;
1896 	}
1897 	softc->disk = disk_alloc();
1898 	adasetgeom(softc, cgd);
1899 	softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
1900 			  periph->unit_number, softc->params.secsize,
1901 			  DEVSTAT_ALL_SUPPORTED,
1902 			  DEVSTAT_TYPE_DIRECT |
1903 			  XPORT_DEVSTAT_TYPE(softc->cpi.transport),
1904 			  DEVSTAT_PRIORITY_DISK);
1905 	softc->disk->d_open = adaopen;
1906 	softc->disk->d_close = adaclose;
1907 	softc->disk->d_strategy = adastrategy;
1908 	softc->disk->d_getattr = adagetattr;
1909 	if (cam_sim_pollable(periph->sim))
1910 		softc->disk->d_dump = adadump;
1911 	softc->disk->d_gone = adadiskgonecb;
1912 	softc->disk->d_name = "ada";
1913 	softc->disk->d_drv1 = periph;
1914 	softc->disk->d_unit = periph->unit_number;
1915 
1916 	if (cam_iosched_init(&softc->cam_iosched, periph, softc->disk,
1917 	    adaschedule) != 0) {
1918 		printf("adaregister: Unable to probe new device. "
1919 		       "Unable to allocate iosched memory\n");
1920 		free(softc, M_DEVBUF);
1921 		return(CAM_REQ_CMP_ERR);
1922 	}
1923 	cam_iosched_set_sort_queue(softc->cam_iosched,
1924 	    (softc->flags & ADA_FLAG_ROTATING) ? -1 : 0);
1925 
1926 	cam_periph_lock(periph);
1927 
1928 	dp = &softc->params;
1929 	snprintf(announce_buf, ADA_ANNOUNCETMP_SZ,
1930 	    "%juMB (%ju %u byte sectors)",
1931 	    ((uintmax_t)dp->secsize * dp->sectors) / (1024 * 1024),
1932 	    (uintmax_t)dp->sectors, dp->secsize);
1933 
1934 	sbuf_new(&sb, softc->announce_buffer, ADA_ANNOUNCE_SZ, SBUF_FIXEDLEN);
1935 	xpt_announce_periph_sbuf(periph, &sb, announce_buf);
1936 	xpt_announce_quirks_sbuf(periph, &sb, softc->quirks, ADA_Q_BIT_STRING);
1937 	sbuf_finish(&sb);
1938 	sbuf_putbuf(&sb);
1939 
1940 	/*
1941 	 * Create our sysctl variables, now that we know
1942 	 * we have successfully attached.
1943 	 */
1944 	if (cam_periph_acquire(periph) == 0)
1945 		taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task);
1946 
1947 	/*
1948 	 * Add async callbacks for bus reset and
1949 	 * bus device reset calls.  I don't bother
1950 	 * checking if this fails as, in most cases,
1951 	 * the system will function just fine without
1952 	 * them and the only alternative would be to
1953 	 * not attach the device on failure.
1954 	 */
1955 	xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
1956 	    AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED,
1957 	    adaasync, periph, periph->path);
1958 
1959 	/*
1960 	 * Schedule a periodic event to occasionally send an
1961 	 * ordered tag to a device.
1962 	 */
1963 	callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
1964 	callout_reset_sbt(&softc->sendordered_c,
1965 	    SBT_1S / ADA_ORDEREDTAG_INTERVAL * ada_default_timeout, 0,
1966 	    adasendorderedtag, softc, C_PREL(1));
1967 
1968 	/* Released after probe when disk_create() call pass it to GEOM. */
1969 	cam_periph_hold_boot(periph);
1970 
1971 	if (ADA_RA >= 0 && softc->flags & ADA_FLAG_CAN_RAHEAD) {
1972 		softc->state = ADA_STATE_RAHEAD;
1973 	} else if (ADA_WC >= 0 && softc->flags & ADA_FLAG_CAN_WCACHE) {
1974 		softc->state = ADA_STATE_WCACHE;
1975 	} else if ((softc->flags & ADA_FLAG_CAN_LOG)
1976 		&& (softc->zone_mode != ADA_ZONE_NONE)) {
1977 		softc->state = ADA_STATE_LOGDIR;
1978 	} else {
1979 		/*
1980 		 * Nothing to probe, so we can just transition to the
1981 		 * normal state.
1982 		 */
1983 		adaprobedone(periph, NULL);
1984 		return(CAM_REQ_CMP);
1985 	}
1986 
1987 	xpt_schedule(periph, CAM_PRIORITY_DEV);
1988 	return(CAM_REQ_CMP);
1989 }
1990 
1991 static int
1992 ada_dsmtrim_req_create(struct ada_softc *softc, struct bio *bp, struct trim_request *req)
1993 {
1994 	uint64_t lastlba = (uint64_t)-1, lbas = 0;
1995 	int c, lastcount = 0, off, ranges = 0;
1996 
1997 	bzero(req, sizeof(*req));
1998 	TAILQ_INIT(&req->bps);
1999 	do {
2000 		uint64_t lba = bp->bio_pblkno;
2001 		int count = bp->bio_bcount / softc->params.secsize;
2002 
2003 		/* Try to extend the previous range. */
2004 		if (lba == lastlba) {
2005 			c = min(count, ATA_DSM_RANGE_MAX - lastcount);
2006 			lastcount += c;
2007 			off = (ranges - 1) * ATA_DSM_RANGE_SIZE;
2008 			req->data[off + 6] = lastcount & 0xff;
2009 			req->data[off + 7] =
2010 				(lastcount >> 8) & 0xff;
2011 			count -= c;
2012 			lba += c;
2013 			lbas += c;
2014 		}
2015 
2016 		while (count > 0) {
2017 			c = min(count, ATA_DSM_RANGE_MAX);
2018 			off = ranges * ATA_DSM_RANGE_SIZE;
2019 			req->data[off + 0] = lba & 0xff;
2020 			req->data[off + 1] = (lba >> 8) & 0xff;
2021 			req->data[off + 2] = (lba >> 16) & 0xff;
2022 			req->data[off + 3] = (lba >> 24) & 0xff;
2023 			req->data[off + 4] = (lba >> 32) & 0xff;
2024 			req->data[off + 5] = (lba >> 40) & 0xff;
2025 			req->data[off + 6] = c & 0xff;
2026 			req->data[off + 7] = (c >> 8) & 0xff;
2027 			lba += c;
2028 			lbas += c;
2029 			count -= c;
2030 			lastcount = c;
2031 			ranges++;
2032 			/*
2033 			 * Its the caller's responsibility to ensure the
2034 			 * request will fit so we don't need to check for
2035 			 * overrun here
2036 			 */
2037 		}
2038 		lastlba = lba;
2039 		TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue);
2040 
2041 		bp = cam_iosched_next_trim(softc->cam_iosched);
2042 		if (bp == NULL)
2043 			break;
2044 		if (bp->bio_bcount / softc->params.secsize >
2045 		    (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) {
2046 			cam_iosched_put_back_trim(softc->cam_iosched, bp);
2047 			break;
2048 		}
2049 	} while (1);
2050 	softc->trim_count++;
2051 	softc->trim_ranges += ranges;
2052 	softc->trim_lbas += lbas;
2053 
2054 	return (ranges);
2055 }
2056 
2057 static void
2058 ada_dsmtrim(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio)
2059 {
2060 	struct trim_request *req = &softc->trim_req;
2061 	int ranges;
2062 
2063 	ranges = ada_dsmtrim_req_create(softc, bp, req);
2064 	cam_fill_ataio(ataio,
2065 	    ada_retry_count,
2066 	    adadone,
2067 	    CAM_DIR_OUT,
2068 	    0,
2069 	    req->data,
2070 	    howmany(ranges, ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE,
2071 	    ada_default_timeout * 1000);
2072 	ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT,
2073 	    ATA_DSM_TRIM, 0, howmany(ranges, ATA_DSM_BLK_RANGES));
2074 }
2075 
2076 static void
2077 ada_ncq_dsmtrim(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio)
2078 {
2079 	struct trim_request *req = &softc->trim_req;
2080 	int ranges;
2081 
2082 	ranges = ada_dsmtrim_req_create(softc, bp, req);
2083 	cam_fill_ataio(ataio,
2084 	    ada_retry_count,
2085 	    adadone,
2086 	    CAM_DIR_OUT,
2087 	    0,
2088 	    req->data,
2089 	    howmany(ranges, ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE,
2090 	    ada_default_timeout * 1000);
2091 	ata_ncq_cmd(ataio,
2092 	    ATA_SEND_FPDMA_QUEUED,
2093 	    0,
2094 	    howmany(ranges, ATA_DSM_BLK_RANGES));
2095 	ataio->cmd.sector_count_exp = ATA_SFPDMA_DSM;
2096 	ataio->ata_flags |= ATA_FLAG_AUX;
2097 	ataio->aux = 1;
2098 }
2099 
2100 static void
2101 ada_cfaerase(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio)
2102 {
2103 	struct trim_request *req = &softc->trim_req;
2104 	uint64_t lba = bp->bio_pblkno;
2105 	uint16_t count = bp->bio_bcount / softc->params.secsize;
2106 
2107 	bzero(req, sizeof(*req));
2108 	TAILQ_INIT(&req->bps);
2109 	TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue);
2110 
2111 	cam_fill_ataio(ataio,
2112 	    ada_retry_count,
2113 	    adadone,
2114 	    CAM_DIR_NONE,
2115 	    0,
2116 	    NULL,
2117 	    0,
2118 	    ada_default_timeout*1000);
2119 
2120 	if (count >= 256)
2121 		count = 0;
2122 	ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count);
2123 }
2124 
2125 static int
2126 ada_zone_bio_to_ata(int disk_zone_cmd)
2127 {
2128 	switch (disk_zone_cmd) {
2129 	case DISK_ZONE_OPEN:
2130 		return ATA_ZM_OPEN_ZONE;
2131 	case DISK_ZONE_CLOSE:
2132 		return ATA_ZM_CLOSE_ZONE;
2133 	case DISK_ZONE_FINISH:
2134 		return ATA_ZM_FINISH_ZONE;
2135 	case DISK_ZONE_RWP:
2136 		return ATA_ZM_RWP;
2137 	}
2138 
2139 	return -1;
2140 }
2141 
2142 static int
2143 ada_zone_cmd(struct cam_periph *periph, union ccb *ccb, struct bio *bp,
2144 	     int *queue_ccb)
2145 {
2146 	struct ada_softc *softc;
2147 	int error;
2148 
2149 	error = 0;
2150 
2151 	if (bp->bio_cmd != BIO_ZONE) {
2152 		error = EINVAL;
2153 		goto bailout;
2154 	}
2155 
2156 	softc = periph->softc;
2157 
2158 	switch (bp->bio_zone.zone_cmd) {
2159 	case DISK_ZONE_OPEN:
2160 	case DISK_ZONE_CLOSE:
2161 	case DISK_ZONE_FINISH:
2162 	case DISK_ZONE_RWP: {
2163 		int zone_flags;
2164 		int zone_sa;
2165 		uint64_t lba;
2166 
2167 		zone_sa = ada_zone_bio_to_ata(bp->bio_zone.zone_cmd);
2168 		if (zone_sa == -1) {
2169 			xpt_print(periph->path, "Cannot translate zone "
2170 			    "cmd %#x to ATA\n", bp->bio_zone.zone_cmd);
2171 			error = EINVAL;
2172 			goto bailout;
2173 		}
2174 
2175 		zone_flags = 0;
2176 		lba = bp->bio_zone.zone_params.rwp.id;
2177 
2178 		if (bp->bio_zone.zone_params.rwp.flags &
2179 		    DISK_ZONE_RWP_FLAG_ALL)
2180 			zone_flags |= ZBC_OUT_ALL;
2181 
2182 		ata_zac_mgmt_out(&ccb->ataio,
2183 				 /*retries*/ ada_retry_count,
2184 				 /*cbfcnp*/ adadone,
2185 				 /*use_ncq*/ (softc->flags &
2186 					      ADA_FLAG_PIM_ATA_EXT) ? 1 : 0,
2187 				 /*zm_action*/ zone_sa,
2188 				 /*zone_id*/ lba,
2189 				 /*zone_flags*/ zone_flags,
2190 				 /*sector_count*/ 0,
2191 				 /*data_ptr*/ NULL,
2192 				 /*dxfer_len*/ 0,
2193 				 /*timeout*/ ada_default_timeout * 1000);
2194 		*queue_ccb = 1;
2195 
2196 		break;
2197 	}
2198 	case DISK_ZONE_REPORT_ZONES: {
2199 		uint8_t *rz_ptr;
2200 		uint32_t num_entries, alloc_size;
2201 		struct disk_zone_report *rep;
2202 
2203 		rep = &bp->bio_zone.zone_params.report;
2204 
2205 		num_entries = rep->entries_allocated;
2206 		if (num_entries == 0) {
2207 			xpt_print(periph->path, "No entries allocated for "
2208 			    "Report Zones request\n");
2209 			error = EINVAL;
2210 			goto bailout;
2211 		}
2212 		alloc_size = sizeof(struct scsi_report_zones_hdr) +
2213 		    (sizeof(struct scsi_report_zones_desc) * num_entries);
2214 		alloc_size = min(alloc_size, softc->disk->d_maxsize);
2215 		rz_ptr = malloc(alloc_size, M_ATADA, M_NOWAIT | M_ZERO);
2216 		if (rz_ptr == NULL) {
2217 			xpt_print(periph->path, "Unable to allocate memory "
2218 			   "for Report Zones request\n");
2219 			error = ENOMEM;
2220 			goto bailout;
2221 		}
2222 
2223 		ata_zac_mgmt_in(&ccb->ataio,
2224 				/*retries*/ ada_retry_count,
2225 				/*cbcfnp*/ adadone,
2226 				/*use_ncq*/ (softc->flags &
2227 					     ADA_FLAG_PIM_ATA_EXT) ? 1 : 0,
2228 				/*zm_action*/ ATA_ZM_REPORT_ZONES,
2229 				/*zone_id*/ rep->starting_id,
2230 				/*zone_flags*/ rep->rep_options,
2231 				/*data_ptr*/ rz_ptr,
2232 				/*dxfer_len*/ alloc_size,
2233 				/*timeout*/ ada_default_timeout * 1000);
2234 
2235 		/*
2236 		 * For BIO_ZONE, this isn't normally needed.  However, it
2237 		 * is used by devstat_end_transaction_bio() to determine
2238 		 * how much data was transferred.
2239 		 */
2240 		/*
2241 		 * XXX KDM we have a problem.  But I'm not sure how to fix
2242 		 * it.  devstat uses bio_bcount - bio_resid to calculate
2243 		 * the amount of data transferred.   The GEOM disk code
2244 		 * uses bio_length - bio_resid to calculate the amount of
2245 		 * data in bio_completed.  We have different structure
2246 		 * sizes above and below the ada(4) driver.  So, if we
2247 		 * use the sizes above, the amount transferred won't be
2248 		 * quite accurate for devstat.  If we use different sizes
2249 		 * for bio_bcount and bio_length (above and below
2250 		 * respectively), then the residual needs to match one or
2251 		 * the other.  Everything is calculated after the bio
2252 		 * leaves the driver, so changing the values around isn't
2253 		 * really an option.  For now, just set the count to the
2254 		 * passed in length.  This means that the calculations
2255 		 * above (e.g. bio_completed) will be correct, but the
2256 		 * amount of data reported to devstat will be slightly
2257 		 * under or overstated.
2258 		 */
2259 		bp->bio_bcount = bp->bio_length;
2260 
2261 		*queue_ccb = 1;
2262 
2263 		break;
2264 	}
2265 	case DISK_ZONE_GET_PARAMS: {
2266 		struct disk_zone_disk_params *params;
2267 
2268 		params = &bp->bio_zone.zone_params.disk_params;
2269 		bzero(params, sizeof(*params));
2270 
2271 		switch (softc->zone_mode) {
2272 		case ADA_ZONE_DRIVE_MANAGED:
2273 			params->zone_mode = DISK_ZONE_MODE_DRIVE_MANAGED;
2274 			break;
2275 		case ADA_ZONE_HOST_AWARE:
2276 			params->zone_mode = DISK_ZONE_MODE_HOST_AWARE;
2277 			break;
2278 		case ADA_ZONE_HOST_MANAGED:
2279 			params->zone_mode = DISK_ZONE_MODE_HOST_MANAGED;
2280 			break;
2281 		default:
2282 		case ADA_ZONE_NONE:
2283 			params->zone_mode = DISK_ZONE_MODE_NONE;
2284 			break;
2285 		}
2286 
2287 		if (softc->zone_flags & ADA_ZONE_FLAG_URSWRZ)
2288 			params->flags |= DISK_ZONE_DISK_URSWRZ;
2289 
2290 		if (softc->zone_flags & ADA_ZONE_FLAG_OPT_SEQ_SET) {
2291 			params->optimal_seq_zones = softc->optimal_seq_zones;
2292 			params->flags |= DISK_ZONE_OPT_SEQ_SET;
2293 		}
2294 
2295 		if (softc->zone_flags & ADA_ZONE_FLAG_OPT_NONSEQ_SET) {
2296 			params->optimal_nonseq_zones =
2297 			    softc->optimal_nonseq_zones;
2298 			params->flags |= DISK_ZONE_OPT_NONSEQ_SET;
2299 		}
2300 
2301 		if (softc->zone_flags & ADA_ZONE_FLAG_MAX_SEQ_SET) {
2302 			params->max_seq_zones = softc->max_seq_zones;
2303 			params->flags |= DISK_ZONE_MAX_SEQ_SET;
2304 		}
2305 		if (softc->zone_flags & ADA_ZONE_FLAG_RZ_SUP)
2306 			params->flags |= DISK_ZONE_RZ_SUP;
2307 
2308 		if (softc->zone_flags & ADA_ZONE_FLAG_OPEN_SUP)
2309 			params->flags |= DISK_ZONE_OPEN_SUP;
2310 
2311 		if (softc->zone_flags & ADA_ZONE_FLAG_CLOSE_SUP)
2312 			params->flags |= DISK_ZONE_CLOSE_SUP;
2313 
2314 		if (softc->zone_flags & ADA_ZONE_FLAG_FINISH_SUP)
2315 			params->flags |= DISK_ZONE_FINISH_SUP;
2316 
2317 		if (softc->zone_flags & ADA_ZONE_FLAG_RWP_SUP)
2318 			params->flags |= DISK_ZONE_RWP_SUP;
2319 		break;
2320 	}
2321 	default:
2322 		break;
2323 	}
2324 bailout:
2325 	return (error);
2326 }
2327 
2328 static void
2329 adastart(struct cam_periph *periph, union ccb *start_ccb)
2330 {
2331 	struct ada_softc *softc = (struct ada_softc *)periph->softc;
2332 	struct ccb_ataio *ataio = &start_ccb->ataio;
2333 
2334 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n"));
2335 
2336 	switch (softc->state) {
2337 	case ADA_STATE_NORMAL:
2338 	{
2339 		struct bio *bp;
2340 		uint8_t tag_code;
2341 
2342 		bp = cam_iosched_next_bio(softc->cam_iosched);
2343 		if (bp == NULL) {
2344 			xpt_release_ccb(start_ccb);
2345 			break;
2346 		}
2347 
2348 		if ((bp->bio_flags & BIO_ORDERED) != 0 ||
2349 		    (bp->bio_cmd != BIO_DELETE && (softc->flags & ADA_FLAG_NEED_OTAG) != 0)) {
2350 			softc->flags &= ~ADA_FLAG_NEED_OTAG;
2351 			softc->flags |= ADA_FLAG_WAS_OTAG;
2352 			tag_code = 0;
2353 		} else {
2354 			tag_code = 1;
2355 		}
2356 		switch (bp->bio_cmd) {
2357 		case BIO_WRITE:
2358 		case BIO_READ:
2359 		{
2360 			uint64_t lba = bp->bio_pblkno;
2361 			uint16_t count = bp->bio_bcount / softc->params.secsize;
2362 			void *data_ptr;
2363 			int rw_op;
2364 
2365 			if (bp->bio_cmd == BIO_WRITE) {
2366 				softc->flags |= ADA_FLAG_DIRTY;
2367 				rw_op = CAM_DIR_OUT;
2368 			} else {
2369 				rw_op = CAM_DIR_IN;
2370 			}
2371 
2372 			data_ptr = bp->bio_data;
2373 			if ((bp->bio_flags & (BIO_UNMAPPED|BIO_VLIST)) != 0) {
2374 				rw_op |= CAM_DATA_BIO;
2375 				data_ptr = bp;
2376 			}
2377 
2378 #ifdef CAM_TEST_FAILURE
2379 			int fail = 0;
2380 
2381 			/*
2382 			 * Support the failure ioctls.  If the command is a
2383 			 * read, and there are pending forced read errors, or
2384 			 * if a write and pending write errors, then fail this
2385 			 * operation with EIO.  This is useful for testing
2386 			 * purposes.  Also, support having every Nth read fail.
2387 			 *
2388 			 * This is a rather blunt tool.
2389 			 */
2390 			if (bp->bio_cmd == BIO_READ) {
2391 				if (softc->force_read_error) {
2392 					softc->force_read_error--;
2393 					fail = 1;
2394 				}
2395 				if (softc->periodic_read_error > 0) {
2396 					if (++softc->periodic_read_count >=
2397 					    softc->periodic_read_error) {
2398 						softc->periodic_read_count = 0;
2399 						fail = 1;
2400 					}
2401 				}
2402 			} else {
2403 				if (softc->force_write_error) {
2404 					softc->force_write_error--;
2405 					fail = 1;
2406 				}
2407 			}
2408 			if (fail) {
2409 				biofinish(bp, NULL, EIO);
2410 				xpt_release_ccb(start_ccb);
2411 				adaschedule(periph);
2412 				return;
2413 			}
2414 #endif
2415 			KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 ||
2416 			    round_page(bp->bio_bcount + bp->bio_ma_offset) /
2417 			    PAGE_SIZE == bp->bio_ma_n,
2418 			    ("Short bio %p", bp));
2419 			cam_fill_ataio(ataio,
2420 			    ada_retry_count,
2421 			    adadone,
2422 			    rw_op,
2423 			    0,
2424 			    data_ptr,
2425 			    bp->bio_bcount,
2426 			    ada_default_timeout*1000);
2427 
2428 			if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) {
2429 				if (bp->bio_cmd == BIO_READ) {
2430 					ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED,
2431 					    lba, count);
2432 				} else {
2433 					ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED,
2434 					    lba, count);
2435 				}
2436 			} else if ((softc->flags & ADA_FLAG_CAN_48BIT) &&
2437 			    (lba + count >= ATA_MAX_28BIT_LBA ||
2438 			    count > 256)) {
2439 				if (softc->flags & ADA_FLAG_CAN_DMA48) {
2440 					if (bp->bio_cmd == BIO_READ) {
2441 						ata_48bit_cmd(ataio, ATA_READ_DMA48,
2442 						    0, lba, count);
2443 					} else {
2444 						ata_48bit_cmd(ataio, ATA_WRITE_DMA48,
2445 						    0, lba, count);
2446 					}
2447 				} else {
2448 					if (bp->bio_cmd == BIO_READ) {
2449 						ata_48bit_cmd(ataio, ATA_READ_MUL48,
2450 						    0, lba, count);
2451 					} else {
2452 						ata_48bit_cmd(ataio, ATA_WRITE_MUL48,
2453 						    0, lba, count);
2454 					}
2455 				}
2456 			} else {
2457 				if (count == 256)
2458 					count = 0;
2459 				if (softc->flags & ADA_FLAG_CAN_DMA) {
2460 					if (bp->bio_cmd == BIO_READ) {
2461 						ata_28bit_cmd(ataio, ATA_READ_DMA,
2462 						    0, lba, count);
2463 					} else {
2464 						ata_28bit_cmd(ataio, ATA_WRITE_DMA,
2465 						    0, lba, count);
2466 					}
2467 				} else {
2468 					if (bp->bio_cmd == BIO_READ) {
2469 						ata_28bit_cmd(ataio, ATA_READ_MUL,
2470 						    0, lba, count);
2471 					} else {
2472 						ata_28bit_cmd(ataio, ATA_WRITE_MUL,
2473 						    0, lba, count);
2474 					}
2475 				}
2476 			}
2477 			break;
2478 		}
2479 		case BIO_DELETE:
2480 			switch (softc->delete_method) {
2481 			case ADA_DELETE_NCQ_DSM_TRIM:
2482 				ada_ncq_dsmtrim(softc, bp, ataio);
2483 				break;
2484 			case ADA_DELETE_DSM_TRIM:
2485 				ada_dsmtrim(softc, bp, ataio);
2486 				break;
2487 			case ADA_DELETE_CFA_ERASE:
2488 				ada_cfaerase(softc, bp, ataio);
2489 				break;
2490 			default:
2491 				biofinish(bp, NULL, EOPNOTSUPP);
2492 				xpt_release_ccb(start_ccb);
2493 				adaschedule(periph);
2494 				return;
2495 			}
2496 			start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM;
2497 			start_ccb->ccb_h.flags |= CAM_UNLOCKED;
2498 			cam_iosched_submit_trim(softc->cam_iosched);
2499 			goto out;
2500 		case BIO_FLUSH:
2501 			cam_fill_ataio(ataio,
2502 			    1,
2503 			    adadone,
2504 			    CAM_DIR_NONE,
2505 			    0,
2506 			    NULL,
2507 			    0,
2508 			    ada_default_timeout*1000);
2509 
2510 			if (softc->flags & ADA_FLAG_CAN_48BIT)
2511 				ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0);
2512 			else
2513 				ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0);
2514 			break;
2515 		case BIO_ZONE: {
2516 			int error, queue_ccb;
2517 
2518 			queue_ccb = 0;
2519 
2520 			error = ada_zone_cmd(periph, start_ccb, bp, &queue_ccb);
2521 			if ((error != 0)
2522 			 || (queue_ccb == 0)) {
2523 				/*
2524 				 * g_io_deliver will recurisvely call start
2525 				 * routine for ENOMEM, so drop the periph
2526 				 * lock to allow that recursion.
2527 				 */
2528 				if (error == ENOMEM)
2529 					cam_periph_unlock(periph);
2530 				biofinish(bp, NULL, error);
2531 				if (error == ENOMEM)
2532 					cam_periph_lock(periph);
2533 				xpt_release_ccb(start_ccb);
2534 				return;
2535 			}
2536 			break;
2537 		}
2538 		default:
2539 			biofinish(bp, NULL, EOPNOTSUPP);
2540 			xpt_release_ccb(start_ccb);
2541 			return;
2542 		}
2543 		start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO;
2544 		start_ccb->ccb_h.flags |= CAM_UNLOCKED;
2545 out:
2546 		start_ccb->ccb_h.ccb_bp = bp;
2547 		softc->outstanding_cmds++;
2548 		softc->refcount++;
2549 		cam_periph_unlock(periph);
2550 		xpt_action(start_ccb);
2551 		cam_periph_lock(periph);
2552 
2553 		/* May have more work to do, so ensure we stay scheduled */
2554 		adaschedule(periph);
2555 		break;
2556 	}
2557 	case ADA_STATE_RAHEAD:
2558 	case ADA_STATE_WCACHE:
2559 	{
2560 		cam_fill_ataio(ataio,
2561 		    1,
2562 		    adadone,
2563 		    CAM_DIR_NONE,
2564 		    0,
2565 		    NULL,
2566 		    0,
2567 		    ada_default_timeout*1000);
2568 
2569 		if (softc->state == ADA_STATE_RAHEAD) {
2570 			ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ?
2571 			    ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0);
2572 			start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD;
2573 		} else {
2574 			ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ?
2575 			    ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0);
2576 			start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE;
2577 		}
2578 		start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE;
2579 		xpt_action(start_ccb);
2580 		break;
2581 	}
2582 	case ADA_STATE_LOGDIR:
2583 	{
2584 		struct ata_gp_log_dir *log_dir;
2585 
2586 		if ((softc->flags & ADA_FLAG_CAN_LOG) == 0) {
2587 			adaprobedone(periph, start_ccb);
2588 			break;
2589 		}
2590 
2591 		log_dir = malloc(sizeof(*log_dir), M_ATADA, M_NOWAIT|M_ZERO);
2592 		if (log_dir == NULL) {
2593 			xpt_print(periph->path, "Couldn't malloc log_dir "
2594 			    "data\n");
2595 			softc->state = ADA_STATE_NORMAL;
2596 			xpt_release_ccb(start_ccb);
2597 			break;
2598 		}
2599 
2600 		ata_read_log(ataio,
2601 		    /*retries*/1,
2602 		    /*cbfcnp*/adadone,
2603 		    /*log_address*/ ATA_LOG_DIRECTORY,
2604 		    /*page_number*/ 0,
2605 		    /*block_count*/ 1,
2606 		    /*protocol*/ softc->flags & ADA_FLAG_CAN_DMA ?
2607 				 CAM_ATAIO_DMA : 0,
2608 		    /*data_ptr*/ (uint8_t *)log_dir,
2609 		    /*dxfer_len*/sizeof(*log_dir),
2610 		    /*timeout*/ada_default_timeout*1000);
2611 
2612 		start_ccb->ccb_h.ccb_state = ADA_CCB_LOGDIR;
2613 		xpt_action(start_ccb);
2614 		break;
2615 	}
2616 	case ADA_STATE_IDDIR:
2617 	{
2618 		struct ata_identify_log_pages *id_dir;
2619 
2620 		id_dir = malloc(sizeof(*id_dir), M_ATADA, M_NOWAIT | M_ZERO);
2621 		if (id_dir == NULL) {
2622 			xpt_print(periph->path, "Couldn't malloc id_dir "
2623 			    "data\n");
2624 			adaprobedone(periph, start_ccb);
2625 			break;
2626 		}
2627 
2628 		ata_read_log(ataio,
2629 		    /*retries*/1,
2630 		    /*cbfcnp*/adadone,
2631 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
2632 		    /*page_number*/ ATA_IDL_PAGE_LIST,
2633 		    /*block_count*/ 1,
2634 		    /*protocol*/ softc->flags & ADA_FLAG_CAN_DMA ?
2635 				 CAM_ATAIO_DMA : 0,
2636 		    /*data_ptr*/ (uint8_t *)id_dir,
2637 		    /*dxfer_len*/ sizeof(*id_dir),
2638 		    /*timeout*/ada_default_timeout*1000);
2639 
2640 		start_ccb->ccb_h.ccb_state = ADA_CCB_IDDIR;
2641 		xpt_action(start_ccb);
2642 		break;
2643 	}
2644 	case ADA_STATE_SUP_CAP:
2645 	{
2646 		struct ata_identify_log_sup_cap *sup_cap;
2647 
2648 		sup_cap = malloc(sizeof(*sup_cap), M_ATADA, M_NOWAIT|M_ZERO);
2649 		if (sup_cap == NULL) {
2650 			xpt_print(periph->path, "Couldn't malloc sup_cap "
2651 			    "data\n");
2652 			adaprobedone(periph, start_ccb);
2653 			break;
2654 		}
2655 
2656 		ata_read_log(ataio,
2657 		    /*retries*/1,
2658 		    /*cbfcnp*/adadone,
2659 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
2660 		    /*page_number*/ ATA_IDL_SUP_CAP,
2661 		    /*block_count*/ 1,
2662 		    /*protocol*/ softc->flags & ADA_FLAG_CAN_DMA ?
2663 				 CAM_ATAIO_DMA : 0,
2664 		    /*data_ptr*/ (uint8_t *)sup_cap,
2665 		    /*dxfer_len*/ sizeof(*sup_cap),
2666 		    /*timeout*/ada_default_timeout*1000);
2667 
2668 		start_ccb->ccb_h.ccb_state = ADA_CCB_SUP_CAP;
2669 		xpt_action(start_ccb);
2670 		break;
2671 	}
2672 	case ADA_STATE_ZONE:
2673 	{
2674 		struct ata_zoned_info_log *ata_zone;
2675 
2676 		ata_zone = malloc(sizeof(*ata_zone), M_ATADA, M_NOWAIT|M_ZERO);
2677 		if (ata_zone == NULL) {
2678 			xpt_print(periph->path, "Couldn't malloc ata_zone "
2679 			    "data\n");
2680 			adaprobedone(periph, start_ccb);
2681 			break;
2682 		}
2683 
2684 		ata_read_log(ataio,
2685 		    /*retries*/1,
2686 		    /*cbfcnp*/adadone,
2687 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
2688 		    /*page_number*/ ATA_IDL_ZDI,
2689 		    /*block_count*/ 1,
2690 		    /*protocol*/ softc->flags & ADA_FLAG_CAN_DMA ?
2691 				 CAM_ATAIO_DMA : 0,
2692 		    /*data_ptr*/ (uint8_t *)ata_zone,
2693 		    /*dxfer_len*/ sizeof(*ata_zone),
2694 		    /*timeout*/ada_default_timeout*1000);
2695 
2696 		start_ccb->ccb_h.ccb_state = ADA_CCB_ZONE;
2697 		xpt_action(start_ccb);
2698 		break;
2699 	}
2700 	}
2701 }
2702 
2703 static void
2704 adaprobedone(struct cam_periph *periph, union ccb *ccb)
2705 {
2706 	struct ada_softc *softc;
2707 
2708 	softc = (struct ada_softc *)periph->softc;
2709 
2710 	/*
2711 	 * Since our peripheral may be invalidated by an error we must release
2712 	 * our CCB before releasing the reference on the peripheral.  The
2713 	 * peripheral will only go away once the last reference is removed, and
2714 	 * we need it around for the CCB release operation.
2715 	 */
2716 	if (ccb != NULL)
2717 		xpt_release_ccb(ccb);
2718 
2719 	softc->state = ADA_STATE_NORMAL;
2720 	softc->flags |= ADA_FLAG_PROBED;
2721 	adaschedule(periph);
2722 	if ((softc->flags & ADA_FLAG_ANNOUNCED) == 0) {
2723 		softc->flags |= ADA_FLAG_ANNOUNCED;
2724 
2725 		/*
2726 		 * We'll release this reference once GEOM calls us back via
2727 		 * adadiskgonecb(), telling us that our provider has been freed.
2728 		 */
2729 		if (cam_periph_acquire(periph) == 0)
2730 			disk_create(softc->disk, DISK_VERSION);
2731 
2732 		cam_periph_release_boot(periph);
2733 	}
2734 	cam_periph_release_locked(periph);
2735 }
2736 
2737 static void
2738 adazonedone(struct cam_periph *periph, union ccb *ccb)
2739 {
2740 	struct bio *bp;
2741 
2742 	bp = (struct bio *)ccb->ccb_h.ccb_bp;
2743 
2744 	switch (bp->bio_zone.zone_cmd) {
2745 	case DISK_ZONE_OPEN:
2746 	case DISK_ZONE_CLOSE:
2747 	case DISK_ZONE_FINISH:
2748 	case DISK_ZONE_RWP:
2749 		break;
2750 	case DISK_ZONE_REPORT_ZONES: {
2751 		uint32_t avail_len;
2752 		struct disk_zone_report *rep;
2753 		struct scsi_report_zones_hdr *hdr;
2754 		struct scsi_report_zones_desc *desc;
2755 		struct disk_zone_rep_entry *entry;
2756 		uint32_t hdr_len, num_avail;
2757 		uint32_t num_to_fill, i;
2758 
2759 		rep = &bp->bio_zone.zone_params.report;
2760 		avail_len = ccb->ataio.dxfer_len - ccb->ataio.resid;
2761 		/*
2762 		 * Note that bio_resid isn't normally used for zone
2763 		 * commands, but it is used by devstat_end_transaction_bio()
2764 		 * to determine how much data was transferred.  Because
2765 		 * the size of the SCSI/ATA data structures is different
2766 		 * than the size of the BIO interface structures, the
2767 		 * amount of data actually transferred from the drive will
2768 		 * be different than the amount of data transferred to
2769 		 * the user.
2770 		 */
2771 		hdr = (struct scsi_report_zones_hdr *)ccb->ataio.data_ptr;
2772 		if (avail_len < sizeof(*hdr)) {
2773 			/*
2774 			 * Is there a better error than EIO here?  We asked
2775 			 * for at least the header, and we got less than
2776 			 * that.
2777 			 */
2778 			bp->bio_error = EIO;
2779 			bp->bio_flags |= BIO_ERROR;
2780 			bp->bio_resid = bp->bio_bcount;
2781 			break;
2782 		}
2783 
2784 		hdr_len = le32dec(hdr->length);
2785 		if (hdr_len > 0)
2786 			rep->entries_available = hdr_len / sizeof(*desc);
2787 		else
2788 			rep->entries_available = 0;
2789 		/*
2790 		 * NOTE: using the same values for the BIO version of the
2791 		 * same field as the SCSI/ATA values.  This means we could
2792 		 * get some additional values that aren't defined in bio.h
2793 		 * if more values of the same field are defined later.
2794 		 */
2795 		rep->header.same = hdr->byte4 & SRZ_SAME_MASK;
2796 		rep->header.maximum_lba = le64dec(hdr->maximum_lba);
2797 		/*
2798 		 * If the drive reports no entries that match the query,
2799 		 * we're done.
2800 		 */
2801 		if (hdr_len == 0) {
2802 			rep->entries_filled = 0;
2803 			bp->bio_resid = bp->bio_bcount;
2804 			break;
2805 		}
2806 
2807 		num_avail = min((avail_len - sizeof(*hdr)) / sizeof(*desc),
2808 				hdr_len / sizeof(*desc));
2809 		/*
2810 		 * If the drive didn't return any data, then we're done.
2811 		 */
2812 		if (num_avail == 0) {
2813 			rep->entries_filled = 0;
2814 			bp->bio_resid = bp->bio_bcount;
2815 			break;
2816 		}
2817 
2818 		num_to_fill = min(num_avail, rep->entries_allocated);
2819 		/*
2820 		 * If the user didn't allocate any entries for us to fill,
2821 		 * we're done.
2822 		 */
2823 		if (num_to_fill == 0) {
2824 			rep->entries_filled = 0;
2825 			bp->bio_resid = bp->bio_bcount;
2826 			break;
2827 		}
2828 
2829 		for (i = 0, desc = &hdr->desc_list[0], entry=&rep->entries[0];
2830 		     i < num_to_fill; i++, desc++, entry++) {
2831 			/*
2832 			 * NOTE: we're mapping the values here directly
2833 			 * from the SCSI/ATA bit definitions to the bio.h
2834 			 * definitions.  There is also a warning in
2835 			 * disk_zone.h, but the impact is that if
2836 			 * additional values are added in the SCSI/ATA
2837 			 * specs these will be visible to consumers of
2838 			 * this interface.
2839 			 */
2840 			entry->zone_type = desc->zone_type & SRZ_TYPE_MASK;
2841 			entry->zone_condition =
2842 			    (desc->zone_flags & SRZ_ZONE_COND_MASK) >>
2843 			    SRZ_ZONE_COND_SHIFT;
2844 			entry->zone_flags |= desc->zone_flags &
2845 			    (SRZ_ZONE_NON_SEQ|SRZ_ZONE_RESET);
2846 			entry->zone_length = le64dec(desc->zone_length);
2847 			entry->zone_start_lba = le64dec(desc->zone_start_lba);
2848 			entry->write_pointer_lba =
2849 			    le64dec(desc->write_pointer_lba);
2850 		}
2851 		rep->entries_filled = num_to_fill;
2852 		/*
2853 		 * Note that this residual is accurate from the user's
2854 		 * standpoint, but the amount transferred isn't accurate
2855 		 * from the standpoint of what actually came back from the
2856 		 * drive.
2857 		 */
2858 		bp->bio_resid = bp->bio_bcount - (num_to_fill * sizeof(*entry));
2859 		break;
2860 	}
2861 	case DISK_ZONE_GET_PARAMS:
2862 	default:
2863 		/*
2864 		 * In theory we should not get a GET_PARAMS bio, since it
2865 		 * should be handled without queueing the command to the
2866 		 * drive.
2867 		 */
2868 		panic("%s: Invalid zone command %d", __func__,
2869 		    bp->bio_zone.zone_cmd);
2870 		break;
2871 	}
2872 
2873 	if (bp->bio_zone.zone_cmd == DISK_ZONE_REPORT_ZONES)
2874 		free(ccb->ataio.data_ptr, M_ATADA);
2875 }
2876 
2877 static void
2878 adadone(struct cam_periph *periph, union ccb *done_ccb)
2879 {
2880 	struct ada_softc *softc;
2881 	struct ccb_ataio *ataio;
2882 	struct cam_path *path;
2883 	uint32_t priority;
2884 	int state;
2885 
2886 	softc = (struct ada_softc *)periph->softc;
2887 	ataio = &done_ccb->ataio;
2888 	path = done_ccb->ccb_h.path;
2889 	priority = done_ccb->ccb_h.pinfo.priority;
2890 
2891 	CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n"));
2892 
2893 	state = ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK;
2894 	switch (state) {
2895 	case ADA_CCB_BUFFER_IO:
2896 	case ADA_CCB_TRIM:
2897 	{
2898 		struct bio *bp;
2899 		int error;
2900 
2901 		cam_periph_lock(periph);
2902 		bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2903 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2904 			error = adaerror(done_ccb, CAM_RETRY_SELTO, 0);
2905 			if (error == ERESTART) {
2906 				/* A retry was scheduled, so just return. */
2907 				cam_periph_unlock(periph);
2908 				return;
2909 			}
2910 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
2911 				cam_release_devq(path,
2912 						 /*relsim_flags*/0,
2913 						 /*reduction*/0,
2914 						 /*timeout*/0,
2915 						 /*getcount_only*/0);
2916 			/*
2917 			 * If we get an error on an NCQ DSM TRIM, fall back
2918 			 * to a non-NCQ DSM TRIM forever. Please note that if
2919 			 * CAN_NCQ_TRIM is set, CAN_TRIM is necessarily set too.
2920 			 * However, for this one trim, we treat it as advisory
2921 			 * and return success up the stack.
2922 			 */
2923 			if (state == ADA_CCB_TRIM &&
2924 			    error != 0 &&
2925 			    (softc->flags & ADA_FLAG_CAN_NCQ_TRIM) != 0) {
2926 				softc->flags &= ~ADA_FLAG_CAN_NCQ_TRIM;
2927 				error = 0;
2928 				adasetdeletemethod(softc);
2929 			}
2930 		} else {
2931 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
2932 				panic("REQ_CMP with QFRZN");
2933 
2934 			error = 0;
2935 		}
2936 		bp->bio_error = error;
2937 		if (error != 0) {
2938 			bp->bio_resid = bp->bio_bcount;
2939 			bp->bio_flags |= BIO_ERROR;
2940 		} else {
2941 			if (bp->bio_cmd == BIO_ZONE)
2942 				adazonedone(periph, done_ccb);
2943 			else if (state == ADA_CCB_TRIM)
2944 				bp->bio_resid = 0;
2945 			else
2946 				bp->bio_resid = ataio->resid;
2947 
2948 			if ((bp->bio_resid > 0)
2949 			 && (bp->bio_cmd != BIO_ZONE))
2950 				bp->bio_flags |= BIO_ERROR;
2951 		}
2952 		softc->outstanding_cmds--;
2953 		if (softc->outstanding_cmds == 0)
2954 			softc->flags |= ADA_FLAG_WAS_OTAG;
2955 
2956 		/*
2957 		 * We need to call cam_iosched before we call biodone so that we
2958 		 * don't measure any activity that happens in the completion
2959 		 * routine, which in the case of sendfile can be quite
2960 		 * extensive.  Release the periph refcount taken in adastart()
2961 		 * for each CCB.
2962 		 */
2963 		cam_iosched_bio_complete(softc->cam_iosched, bp, done_ccb);
2964 		xpt_release_ccb(done_ccb);
2965 		KASSERT(softc->refcount >= 1, ("adadone softc %p refcount %d", softc, softc->refcount));
2966 		softc->refcount--;
2967 		if (state == ADA_CCB_TRIM) {
2968 			TAILQ_HEAD(, bio) queue;
2969 			struct bio *bp1;
2970 
2971 			TAILQ_INIT(&queue);
2972 			TAILQ_CONCAT(&queue, &softc->trim_req.bps, bio_queue);
2973 			/*
2974 			 * Normally, the xpt_release_ccb() above would make sure
2975 			 * that when we have more work to do, that work would
2976 			 * get kicked off. However, we specifically keep
2977 			 * trim_running set to 0 before the call above to allow
2978 			 * other I/O to progress when many BIO_DELETE requests
2979 			 * are pushed down. We set trim_running to 0 and call
2980 			 * daschedule again so that we don't stall if there are
2981 			 * no other I/Os pending apart from BIO_DELETEs.
2982 			 */
2983 			cam_iosched_trim_done(softc->cam_iosched);
2984 			adaschedule(periph);
2985 			cam_periph_unlock(periph);
2986 			while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
2987 				TAILQ_REMOVE(&queue, bp1, bio_queue);
2988 				bp1->bio_error = error;
2989 				if (error != 0) {
2990 					bp1->bio_flags |= BIO_ERROR;
2991 					bp1->bio_resid = bp1->bio_bcount;
2992 				} else
2993 					bp1->bio_resid = 0;
2994 				biodone(bp1);
2995 			}
2996 		} else {
2997 			adaschedule(periph);
2998 			cam_periph_unlock(periph);
2999 			biodone(bp);
3000 		}
3001 		return;
3002 	}
3003 	case ADA_CCB_RAHEAD:
3004 	{
3005 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3006 			if (adaerror(done_ccb, 0, 0) == ERESTART) {
3007 				/* Drop freeze taken due to CAM_DEV_QFREEZE */
3008 				cam_release_devq(path, 0, 0, 0, FALSE);
3009 				return;
3010 			} else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3011 				cam_release_devq(path,
3012 				    /*relsim_flags*/0,
3013 				    /*reduction*/0,
3014 				    /*timeout*/0,
3015 				    /*getcount_only*/0);
3016 			}
3017 		}
3018 
3019 		xpt_release_ccb(done_ccb);
3020 		softc->state = ADA_STATE_WCACHE;
3021 		xpt_schedule(periph, priority);
3022 		/* Drop freeze taken due to CAM_DEV_QFREEZE */
3023 		cam_release_devq(path, 0, 0, 0, FALSE);
3024 		return;
3025 	}
3026 	case ADA_CCB_WCACHE:
3027 	{
3028 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3029 			if (adaerror(done_ccb, 0, 0) == ERESTART) {
3030 				/* Drop freeze taken due to CAM_DEV_QFREEZE */
3031 				cam_release_devq(path, 0, 0, 0, FALSE);
3032 				return;
3033 			} else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3034 				cam_release_devq(path,
3035 				    /*relsim_flags*/0,
3036 				    /*reduction*/0,
3037 				    /*timeout*/0,
3038 				    /*getcount_only*/0);
3039 			}
3040 		}
3041 
3042 		/* Drop freeze taken due to CAM_DEV_QFREEZE */
3043 		cam_release_devq(path, 0, 0, 0, FALSE);
3044 
3045 		if ((softc->flags & ADA_FLAG_CAN_LOG)
3046 		 && (softc->zone_mode != ADA_ZONE_NONE)) {
3047 			xpt_release_ccb(done_ccb);
3048 			softc->state = ADA_STATE_LOGDIR;
3049 			xpt_schedule(periph, priority);
3050 		} else {
3051 			adaprobedone(periph, done_ccb);
3052 		}
3053 		return;
3054 	}
3055 	case ADA_CCB_LOGDIR:
3056 	{
3057 		int error;
3058 
3059 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3060 			error = 0;
3061 			softc->valid_logdir_len = 0;
3062 			bzero(&softc->ata_logdir, sizeof(softc->ata_logdir));
3063 			softc->valid_logdir_len =
3064 				ataio->dxfer_len - ataio->resid;
3065 			if (softc->valid_logdir_len > 0)
3066 				bcopy(ataio->data_ptr, &softc->ata_logdir,
3067 				    min(softc->valid_logdir_len,
3068 					sizeof(softc->ata_logdir)));
3069 			/*
3070 			 * Figure out whether the Identify Device log is
3071 			 * supported.  The General Purpose log directory
3072 			 * has a header, and lists the number of pages
3073 			 * available for each GP log identified by the
3074 			 * offset into the list.
3075 			 */
3076 			if ((softc->valid_logdir_len >=
3077 			    ((ATA_IDENTIFY_DATA_LOG + 1) * sizeof(uint16_t)))
3078 			 && (le16dec(softc->ata_logdir.header) ==
3079 			     ATA_GP_LOG_DIR_VERSION)
3080 			 && (le16dec(&softc->ata_logdir.num_pages[
3081 			     (ATA_IDENTIFY_DATA_LOG *
3082 			     sizeof(uint16_t)) - sizeof(uint16_t)]) > 0)){
3083 				softc->flags |= ADA_FLAG_CAN_IDLOG;
3084 			} else {
3085 				softc->flags &= ~ADA_FLAG_CAN_IDLOG;
3086 			}
3087 		} else {
3088 			error = adaerror(done_ccb, CAM_RETRY_SELTO,
3089 					 SF_RETRY_UA|SF_NO_PRINT);
3090 			if (error == ERESTART)
3091 				return;
3092 			else if (error != 0) {
3093 				/*
3094 				 * If we can't get the ATA log directory,
3095 				 * then ATA logs are effectively not
3096 				 * supported even if the bit is set in the
3097 				 * identify data.
3098 				 */
3099 				softc->flags &= ~(ADA_FLAG_CAN_LOG |
3100 						  ADA_FLAG_CAN_IDLOG);
3101 				if ((done_ccb->ccb_h.status &
3102 				     CAM_DEV_QFRZN) != 0) {
3103 					/* Don't wedge this device's queue */
3104 					cam_release_devq(done_ccb->ccb_h.path,
3105 							 /*relsim_flags*/0,
3106 							 /*reduction*/0,
3107 							 /*timeout*/0,
3108 							 /*getcount_only*/0);
3109 				}
3110 			}
3111 		}
3112 
3113 		free(ataio->data_ptr, M_ATADA);
3114 
3115 		if ((error == 0)
3116 		 && (softc->flags & ADA_FLAG_CAN_IDLOG)) {
3117 			softc->state = ADA_STATE_IDDIR;
3118 			xpt_release_ccb(done_ccb);
3119 			xpt_schedule(periph, priority);
3120 		} else
3121 			adaprobedone(periph, done_ccb);
3122 
3123 		return;
3124 	}
3125 	case ADA_CCB_IDDIR: {
3126 		int error;
3127 
3128 		if ((ataio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3129 			off_t entries_offset, max_entries;
3130 			error = 0;
3131 
3132 			softc->valid_iddir_len = 0;
3133 			bzero(&softc->ata_iddir, sizeof(softc->ata_iddir));
3134 			softc->flags &= ~(ADA_FLAG_CAN_SUPCAP |
3135 					  ADA_FLAG_CAN_ZONE);
3136 			softc->valid_iddir_len =
3137 				ataio->dxfer_len - ataio->resid;
3138 			if (softc->valid_iddir_len > 0)
3139 				bcopy(ataio->data_ptr, &softc->ata_iddir,
3140 				    min(softc->valid_iddir_len,
3141 					sizeof(softc->ata_iddir)));
3142 
3143 			entries_offset =
3144 			    __offsetof(struct ata_identify_log_pages,entries);
3145 			max_entries = softc->valid_iddir_len - entries_offset;
3146 			if ((softc->valid_iddir_len > (entries_offset + 1))
3147 			 && (le64dec(softc->ata_iddir.header) ==
3148 			     ATA_IDLOG_REVISION)
3149 			 && (softc->ata_iddir.entry_count > 0)) {
3150 				int num_entries, i;
3151 
3152 				num_entries = softc->ata_iddir.entry_count;
3153 				num_entries = min(num_entries,
3154 				   softc->valid_iddir_len - entries_offset);
3155 				for (i = 0; i < num_entries &&
3156 				     i < max_entries; i++) {
3157 					if (softc->ata_iddir.entries[i] ==
3158 					    ATA_IDL_SUP_CAP)
3159 						softc->flags |=
3160 						    ADA_FLAG_CAN_SUPCAP;
3161 					else if (softc->ata_iddir.entries[i]==
3162 						 ATA_IDL_ZDI)
3163 						softc->flags |=
3164 						    ADA_FLAG_CAN_ZONE;
3165 
3166 					if ((softc->flags &
3167 					     ADA_FLAG_CAN_SUPCAP)
3168 					 && (softc->flags &
3169 					     ADA_FLAG_CAN_ZONE))
3170 						break;
3171 				}
3172 			}
3173 		} else {
3174 			error = adaerror(done_ccb, CAM_RETRY_SELTO,
3175 					 SF_RETRY_UA|SF_NO_PRINT);
3176 			if (error == ERESTART)
3177 				return;
3178 			else if (error != 0) {
3179 				/*
3180 				 * If we can't get the ATA Identify Data log
3181 				 * directory, then it effectively isn't
3182 				 * supported even if the ATA Log directory
3183 				 * a non-zero number of pages present for
3184 				 * this log.
3185 				 */
3186 				softc->flags &= ~ADA_FLAG_CAN_IDLOG;
3187 				if ((done_ccb->ccb_h.status &
3188 				     CAM_DEV_QFRZN) != 0) {
3189 					/* Don't wedge this device's queue */
3190 					cam_release_devq(done_ccb->ccb_h.path,
3191 							 /*relsim_flags*/0,
3192 							 /*reduction*/0,
3193 							 /*timeout*/0,
3194 							 /*getcount_only*/0);
3195 				}
3196 			}
3197 		}
3198 
3199 		free(ataio->data_ptr, M_ATADA);
3200 
3201 		if ((error == 0)
3202 		 && (softc->flags & ADA_FLAG_CAN_SUPCAP)) {
3203 			softc->state = ADA_STATE_SUP_CAP;
3204 			xpt_release_ccb(done_ccb);
3205 			xpt_schedule(periph, priority);
3206 		} else
3207 			adaprobedone(periph, done_ccb);
3208 		return;
3209 	}
3210 	case ADA_CCB_SUP_CAP: {
3211 		int error;
3212 
3213 		if ((ataio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3214 			uint32_t valid_len;
3215 			size_t needed_size;
3216 			struct ata_identify_log_sup_cap *sup_cap;
3217 			error = 0;
3218 
3219 			sup_cap = (struct ata_identify_log_sup_cap *)
3220 			    ataio->data_ptr;
3221 			valid_len = ataio->dxfer_len - ataio->resid;
3222 			needed_size =
3223 			    __offsetof(struct ata_identify_log_sup_cap,
3224 			    sup_zac_cap) + 1 + sizeof(sup_cap->sup_zac_cap);
3225 			if (valid_len >= needed_size) {
3226 				uint64_t zoned, zac_cap;
3227 
3228 				zoned = le64dec(sup_cap->zoned_cap);
3229 				if (zoned & ATA_ZONED_VALID) {
3230 					/*
3231 					 * This should have already been
3232 					 * set, because this is also in the
3233 					 * ATA identify data.
3234 					 */
3235 					if ((zoned & ATA_ZONED_MASK) ==
3236 					    ATA_SUPPORT_ZONE_HOST_AWARE)
3237 						softc->zone_mode =
3238 						    ADA_ZONE_HOST_AWARE;
3239 					else if ((zoned & ATA_ZONED_MASK) ==
3240 					    ATA_SUPPORT_ZONE_DEV_MANAGED)
3241 						softc->zone_mode =
3242 						    ADA_ZONE_DRIVE_MANAGED;
3243 				}
3244 
3245 				zac_cap = le64dec(sup_cap->sup_zac_cap);
3246 				if (zac_cap & ATA_SUP_ZAC_CAP_VALID) {
3247 					if (zac_cap & ATA_REPORT_ZONES_SUP)
3248 						softc->zone_flags |=
3249 						    ADA_ZONE_FLAG_RZ_SUP;
3250 					if (zac_cap & ATA_ND_OPEN_ZONE_SUP)
3251 						softc->zone_flags |=
3252 						    ADA_ZONE_FLAG_OPEN_SUP;
3253 					if (zac_cap & ATA_ND_CLOSE_ZONE_SUP)
3254 						softc->zone_flags |=
3255 						    ADA_ZONE_FLAG_CLOSE_SUP;
3256 					if (zac_cap & ATA_ND_FINISH_ZONE_SUP)
3257 						softc->zone_flags |=
3258 						    ADA_ZONE_FLAG_FINISH_SUP;
3259 					if (zac_cap & ATA_ND_RWP_SUP)
3260 						softc->zone_flags |=
3261 						    ADA_ZONE_FLAG_RWP_SUP;
3262 				} else {
3263 					/*
3264 					 * This field was introduced in
3265 					 * ACS-4, r08 on April 28th, 2015.
3266 					 * If the drive firmware was written
3267 					 * to an earlier spec, it won't have
3268 					 * the field.  So, assume all
3269 					 * commands are supported.
3270 					 */
3271 					softc->zone_flags |=
3272 					    ADA_ZONE_FLAG_SUP_MASK;
3273 				}
3274 			}
3275 		} else {
3276 			error = adaerror(done_ccb, CAM_RETRY_SELTO,
3277 					 SF_RETRY_UA|SF_NO_PRINT);
3278 			if (error == ERESTART)
3279 				return;
3280 			else if (error != 0) {
3281 				/*
3282 				 * If we can't get the ATA Identify Data
3283 				 * Supported Capabilities page, clear the
3284 				 * flag...
3285 				 */
3286 				softc->flags &= ~ADA_FLAG_CAN_SUPCAP;
3287 				/*
3288 				 * And clear zone capabilities.
3289 				 */
3290 				softc->zone_flags &= ~ADA_ZONE_FLAG_SUP_MASK;
3291 				if ((done_ccb->ccb_h.status &
3292 				     CAM_DEV_QFRZN) != 0) {
3293 					/* Don't wedge this device's queue */
3294 					cam_release_devq(done_ccb->ccb_h.path,
3295 							 /*relsim_flags*/0,
3296 							 /*reduction*/0,
3297 							 /*timeout*/0,
3298 							 /*getcount_only*/0);
3299 				}
3300 			}
3301 		}
3302 
3303 		free(ataio->data_ptr, M_ATADA);
3304 
3305 		if ((error == 0)
3306 		 && (softc->flags & ADA_FLAG_CAN_ZONE)) {
3307 			softc->state = ADA_STATE_ZONE;
3308 			xpt_release_ccb(done_ccb);
3309 			xpt_schedule(periph, priority);
3310 		} else
3311 			adaprobedone(periph, done_ccb);
3312 		return;
3313 	}
3314 	case ADA_CCB_ZONE: {
3315 		int error;
3316 
3317 		if ((ataio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3318 			struct ata_zoned_info_log *zi_log;
3319 			uint32_t valid_len;
3320 			size_t needed_size;
3321 
3322 			zi_log = (struct ata_zoned_info_log *)ataio->data_ptr;
3323 
3324 			valid_len = ataio->dxfer_len - ataio->resid;
3325 			needed_size = __offsetof(struct ata_zoned_info_log,
3326 			    version_info) + 1 + sizeof(zi_log->version_info);
3327 			if (valid_len >= needed_size) {
3328 				uint64_t tmpvar;
3329 
3330 				tmpvar = le64dec(zi_log->zoned_cap);
3331 				if (tmpvar & ATA_ZDI_CAP_VALID) {
3332 					if (tmpvar & ATA_ZDI_CAP_URSWRZ)
3333 						softc->zone_flags |=
3334 						    ADA_ZONE_FLAG_URSWRZ;
3335 					else
3336 						softc->zone_flags &=
3337 						    ~ADA_ZONE_FLAG_URSWRZ;
3338 				}
3339 				tmpvar = le64dec(zi_log->optimal_seq_zones);
3340 				if (tmpvar & ATA_ZDI_OPT_SEQ_VALID) {
3341 					softc->zone_flags |=
3342 					    ADA_ZONE_FLAG_OPT_SEQ_SET;
3343 					softc->optimal_seq_zones = (tmpvar &
3344 					    ATA_ZDI_OPT_SEQ_MASK);
3345 				} else {
3346 					softc->zone_flags &=
3347 					    ~ADA_ZONE_FLAG_OPT_SEQ_SET;
3348 					softc->optimal_seq_zones = 0;
3349 				}
3350 
3351 				tmpvar =le64dec(zi_log->optimal_nonseq_zones);
3352 				if (tmpvar & ATA_ZDI_OPT_NS_VALID) {
3353 					softc->zone_flags |=
3354 					    ADA_ZONE_FLAG_OPT_NONSEQ_SET;
3355 					softc->optimal_nonseq_zones =
3356 					    (tmpvar & ATA_ZDI_OPT_NS_MASK);
3357 				} else {
3358 					softc->zone_flags &=
3359 					    ~ADA_ZONE_FLAG_OPT_NONSEQ_SET;
3360 					softc->optimal_nonseq_zones = 0;
3361 				}
3362 
3363 				tmpvar = le64dec(zi_log->max_seq_req_zones);
3364 				if (tmpvar & ATA_ZDI_MAX_SEQ_VALID) {
3365 					softc->zone_flags |=
3366 					    ADA_ZONE_FLAG_MAX_SEQ_SET;
3367 					softc->max_seq_zones =
3368 					    (tmpvar & ATA_ZDI_MAX_SEQ_MASK);
3369 				} else {
3370 					softc->zone_flags &=
3371 					    ~ADA_ZONE_FLAG_MAX_SEQ_SET;
3372 					softc->max_seq_zones = 0;
3373 				}
3374 			}
3375 		} else {
3376 			error = adaerror(done_ccb, CAM_RETRY_SELTO,
3377 					 SF_RETRY_UA|SF_NO_PRINT);
3378 			if (error == ERESTART)
3379 				return;
3380 			else if (error != 0) {
3381 				softc->flags &= ~ADA_FLAG_CAN_ZONE;
3382 				softc->flags &= ~ADA_ZONE_FLAG_SET_MASK;
3383 
3384 				if ((done_ccb->ccb_h.status &
3385 				     CAM_DEV_QFRZN) != 0) {
3386 					/* Don't wedge this device's queue */
3387 					cam_release_devq(done_ccb->ccb_h.path,
3388 							 /*relsim_flags*/0,
3389 							 /*reduction*/0,
3390 							 /*timeout*/0,
3391 							 /*getcount_only*/0);
3392 				}
3393 			}
3394 		}
3395 		free(ataio->data_ptr, M_ATADA);
3396 
3397 		adaprobedone(periph, done_ccb);
3398 		return;
3399 	}
3400 	case ADA_CCB_DUMP:
3401 		/* No-op.  We're polling */
3402 		return;
3403 	default:
3404 		break;
3405 	}
3406 	xpt_release_ccb(done_ccb);
3407 }
3408 
3409 static int
3410 adaerror(union ccb *ccb, uint32_t cam_flags, uint32_t sense_flags)
3411 {
3412 #ifdef CAM_IO_STATS
3413 	struct ada_softc *softc;
3414 	struct cam_periph *periph;
3415 
3416 	periph = xpt_path_periph(ccb->ccb_h.path);
3417 	softc = (struct ada_softc *)periph->softc;
3418 
3419 	switch (ccb->ccb_h.status & CAM_STATUS_MASK) {
3420 	case CAM_CMD_TIMEOUT:
3421 		softc->timeouts++;
3422 		break;
3423 	case CAM_REQ_ABORTED:
3424 	case CAM_REQ_CMP_ERR:
3425 	case CAM_REQ_TERMIO:
3426 	case CAM_UNREC_HBA_ERROR:
3427 	case CAM_DATA_RUN_ERR:
3428 	case CAM_ATA_STATUS_ERROR:
3429 		softc->errors++;
3430 		break;
3431 	default:
3432 		break;
3433 	}
3434 #endif
3435 
3436 	return(cam_periph_error(ccb, cam_flags, sense_flags));
3437 }
3438 
3439 static void
3440 adasetgeom(struct ada_softc *softc, struct ccb_getdev *cgd)
3441 {
3442 	struct disk_params *dp = &softc->params;
3443 	uint64_t lbasize48;
3444 	uint32_t lbasize;
3445 	u_int maxio, d_flags;
3446 	size_t tmpsize;
3447 
3448 	dp->secsize = ata_logical_sector_size(&cgd->ident_data);
3449 	if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) &&
3450 	    cgd->ident_data.current_heads != 0 &&
3451 	    cgd->ident_data.current_sectors != 0) {
3452 		dp->heads = cgd->ident_data.current_heads;
3453 		dp->secs_per_track = cgd->ident_data.current_sectors;
3454 		dp->cylinders = cgd->ident_data.cylinders;
3455 		dp->sectors = (uint32_t)cgd->ident_data.current_size_1 |
3456 			  ((uint32_t)cgd->ident_data.current_size_2 << 16);
3457 	} else {
3458 		dp->heads = cgd->ident_data.heads;
3459 		dp->secs_per_track = cgd->ident_data.sectors;
3460 		dp->cylinders = cgd->ident_data.cylinders;
3461 		dp->sectors = cgd->ident_data.cylinders *
3462 			      (uint32_t)(dp->heads * dp->secs_per_track);
3463 	}
3464 	lbasize = (uint32_t)cgd->ident_data.lba_size_1 |
3465 		  ((uint32_t)cgd->ident_data.lba_size_2 << 16);
3466 
3467 	/* use the 28bit LBA size if valid or bigger than the CHS mapping */
3468 	if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize)
3469 		dp->sectors = lbasize;
3470 
3471 	/* use the 48bit LBA size if valid */
3472 	lbasize48 = ((uint64_t)cgd->ident_data.lba_size48_1) |
3473 		    ((uint64_t)cgd->ident_data.lba_size48_2 << 16) |
3474 		    ((uint64_t)cgd->ident_data.lba_size48_3 << 32) |
3475 		    ((uint64_t)cgd->ident_data.lba_size48_4 << 48);
3476 	if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) &&
3477 	    lbasize48 > ATA_MAX_28BIT_LBA)
3478 		dp->sectors = lbasize48;
3479 
3480 	maxio = softc->cpi.maxio;		/* Honor max I/O size of SIM */
3481 	if (maxio == 0)
3482 		maxio = DFLTPHYS;	/* traditional default */
3483 	else if (maxio > maxphys)
3484 		maxio = maxphys;	/* for safety */
3485 	if (softc->flags & ADA_FLAG_CAN_48BIT)
3486 		maxio = min(maxio, 65536 * softc->params.secsize);
3487 	else					/* 28bit ATA command limit */
3488 		maxio = min(maxio, 256 * softc->params.secsize);
3489 	if (softc->quirks & ADA_Q_128KB)
3490 		maxio = min(maxio, 128 * 1024);
3491 	softc->disk->d_maxsize = maxio;
3492 	d_flags = DISKFLAG_DIRECT_COMPLETION | DISKFLAG_CANZONE;
3493 	if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE)
3494 		d_flags |= DISKFLAG_CANFLUSHCACHE;
3495 	if (softc->flags & ADA_FLAG_CAN_TRIM) {
3496 		d_flags |= DISKFLAG_CANDELETE;
3497 		softc->disk->d_delmaxsize = softc->params.secsize *
3498 		    ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
3499 	} else if ((softc->flags & ADA_FLAG_CAN_CFA) &&
3500 	    !(softc->flags & ADA_FLAG_CAN_48BIT)) {
3501 		d_flags |= DISKFLAG_CANDELETE;
3502 		softc->disk->d_delmaxsize = 256 * softc->params.secsize;
3503 	} else
3504 		softc->disk->d_delmaxsize = maxio;
3505 	if ((softc->cpi.hba_misc & PIM_UNMAPPED) != 0) {
3506 		d_flags |= DISKFLAG_UNMAPPED_BIO;
3507 		softc->flags |= ADA_FLAG_UNMAPPEDIO;
3508 	}
3509 	softc->disk->d_flags = d_flags;
3510 
3511 	/*
3512 	 * ata_param_fixup will strip trailing padding spaces and add a NUL,
3513 	 * but if the field has no padding (as is common for serial numbers)
3514 	 * there will still be no NUL terminator. We cannot use strlcpy, since
3515 	 * it keeps reading src until it finds a NUL in order to compute the
3516 	 * return value (and will truncate the final character due to having a
3517 	 * single dsize rather than separate ssize and dsize), and strncpy does
3518 	 * not add a NUL to the destination if it reaches the character limit.
3519 	 */
3520 	tmpsize = MIN(sizeof(softc->disk->d_descr) - 1,
3521 	    sizeof(cgd->ident_data.model));
3522 	memcpy(softc->disk->d_descr, cgd->ident_data.model, tmpsize);
3523 	softc->disk->d_descr[tmpsize] = '\0';
3524 
3525 	tmpsize = MIN(sizeof(softc->disk->d_ident) - 1,
3526 	    sizeof(cgd->ident_data.serial));
3527 	memcpy(softc->disk->d_ident, cgd->ident_data.serial, tmpsize);
3528 	softc->disk->d_ident[tmpsize] = '\0';
3529 
3530 	softc->disk->d_sectorsize = softc->params.secsize;
3531 	softc->disk->d_mediasize = (off_t)softc->params.sectors *
3532 	    softc->params.secsize;
3533 	if (ata_physical_sector_size(&cgd->ident_data) !=
3534 	    softc->params.secsize) {
3535 		softc->disk->d_stripesize =
3536 		    ata_physical_sector_size(&cgd->ident_data);
3537 		softc->disk->d_stripeoffset = (softc->disk->d_stripesize -
3538 		    ata_logical_sector_offset(&cgd->ident_data)) %
3539 		    softc->disk->d_stripesize;
3540 	} else if (softc->quirks & ADA_Q_4K) {
3541 		softc->disk->d_stripesize = 4096;
3542 		softc->disk->d_stripeoffset = 0;
3543 	}
3544 	softc->disk->d_fwsectors = softc->params.secs_per_track;
3545 	softc->disk->d_fwheads = softc->params.heads;
3546 	softc->disk->d_rotation_rate = cgd->ident_data.media_rotation_rate;
3547 	snprintf(softc->disk->d_attachment, sizeof(softc->disk->d_attachment),
3548 	    "%s%d", softc->cpi.dev_name, softc->cpi.unit_number);
3549 }
3550 
3551 static void
3552 adasendorderedtag(void *arg)
3553 {
3554 	struct ada_softc *softc = arg;
3555 
3556 	if (ada_send_ordered) {
3557 		if (softc->outstanding_cmds > 0) {
3558 			if ((softc->flags & ADA_FLAG_WAS_OTAG) == 0)
3559 				softc->flags |= ADA_FLAG_NEED_OTAG;
3560 			softc->flags &= ~ADA_FLAG_WAS_OTAG;
3561 		}
3562 	}
3563 
3564 	/* Queue us up again */
3565 	callout_schedule_sbt(&softc->sendordered_c,
3566 	    SBT_1S / ADA_ORDEREDTAG_INTERVAL * ada_default_timeout, 0,
3567 	    C_PREL(1));
3568 }
3569 
3570 /*
3571  * Step through all ADA peripheral drivers, and if the device is still open,
3572  * sync the disk cache to physical media.
3573  */
3574 static void
3575 adaflush(void)
3576 {
3577 	struct cam_periph *periph;
3578 	struct ada_softc *softc;
3579 	union ccb *ccb;
3580 	int error;
3581 
3582 	CAM_PERIPH_FOREACH(periph, &adadriver) {
3583 		softc = (struct ada_softc *)periph->softc;
3584 		if (SCHEDULER_STOPPED()) {
3585 			/* If we panicked with the lock held, do not recurse. */
3586 			if (!cam_periph_owned(periph) &&
3587 			    (softc->flags & ADA_FLAG_OPEN)) {
3588 				adadump(softc->disk, NULL, 0, 0);
3589 			}
3590 			continue;
3591 		}
3592 		cam_periph_lock(periph);
3593 		/*
3594 		 * We only sync the cache if the drive is still open, and
3595 		 * if the drive is capable of it..
3596 		 */
3597 		if (((softc->flags & ADA_FLAG_OPEN) == 0) ||
3598 		    (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) {
3599 			cam_periph_unlock(periph);
3600 			continue;
3601 		}
3602 
3603 		ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3604 		cam_fill_ataio(&ccb->ataio,
3605 				    0,
3606 				    NULL,
3607 				    CAM_DIR_NONE,
3608 				    0,
3609 				    NULL,
3610 				    0,
3611 				    ada_default_timeout*1000);
3612 		if (softc->flags & ADA_FLAG_CAN_48BIT)
3613 			ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0);
3614 		else
3615 			ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0);
3616 
3617 		error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0,
3618 		    /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY,
3619 		    softc->disk->d_devstat);
3620 		if (error != 0)
3621 			xpt_print(periph->path, "Synchronize cache failed\n");
3622 		xpt_release_ccb(ccb);
3623 		cam_periph_unlock(periph);
3624 	}
3625 }
3626 
3627 static void
3628 adaspindown(uint8_t cmd, int flags)
3629 {
3630 	struct cam_periph *periph;
3631 	struct ada_softc *softc;
3632 	struct ccb_ataio local_ccb;
3633 	int error;
3634 	int mode;
3635 
3636 	CAM_PERIPH_FOREACH(periph, &adadriver) {
3637 		/* If we panicked with lock held - not recurse here. */
3638 		if (cam_periph_owned(periph))
3639 			continue;
3640 		cam_periph_lock(periph);
3641 		softc = (struct ada_softc *)periph->softc;
3642 		/*
3643 		 * We only spin-down the drive if it is capable of it..
3644 		 */
3645 		if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) {
3646 			cam_periph_unlock(periph);
3647 			continue;
3648 		}
3649 
3650 		/*
3651 		 * Additionally check if we would spin up the drive instead of
3652 		 * spinning it down.
3653 		 */
3654 		if (cmd == ATA_IDLE_IMMEDIATE) {
3655 			memset(&local_ccb, 0, sizeof(local_ccb));
3656 			xpt_setup_ccb(&local_ccb.ccb_h, periph->path,
3657 			    CAM_PRIORITY_NORMAL);
3658 			local_ccb.ccb_h.ccb_state = ADA_CCB_DUMP;
3659 
3660 			cam_fill_ataio(&local_ccb, 0, NULL, CAM_DIR_NONE,
3661 			    0, NULL, 0, ada_default_timeout * 1000);
3662 			ata_28bit_cmd(&local_ccb, ATA_CHECK_POWER_MODE,
3663 			    0, 0, 0);
3664 			local_ccb.cmd.flags |= CAM_ATAIO_NEEDRESULT;
3665 
3666 			error = cam_periph_runccb((union ccb *)&local_ccb,
3667 			    adaerror, /*cam_flags*/0,
3668 			    /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY,
3669 			    softc->disk->d_devstat);
3670 			if (error != 0) {
3671 				xpt_print(periph->path,
3672 				    "Failed to read current power mode\n");
3673 			} else {
3674 				mode = local_ccb.res.sector_count;
3675 #ifdef DIAGNOSTIC
3676 				if (bootverbose) {
3677 					xpt_print(periph->path,
3678 					    "disk power mode 0x%02x\n", mode);
3679 				}
3680 #endif
3681 				switch (mode) {
3682 				case ATA_PM_STANDBY:
3683 				case ATA_PM_STANDBY_Y:
3684 					if (bootverbose) {
3685 						xpt_print(periph->path,
3686 						    "already spun down\n");
3687 					}
3688 					cam_periph_unlock(periph);
3689 					continue;
3690 				default:
3691 					break;
3692 				}
3693 			}
3694 		}
3695 
3696 		if (bootverbose)
3697 			xpt_print(periph->path, "spin-down\n");
3698 
3699 		memset(&local_ccb, 0, sizeof(local_ccb));
3700 		xpt_setup_ccb(&local_ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3701 		local_ccb.ccb_h.ccb_state = ADA_CCB_DUMP;
3702 
3703 		cam_fill_ataio(&local_ccb,
3704 				    0,
3705 				    NULL,
3706 				    CAM_DIR_NONE | flags,
3707 				    0,
3708 				    NULL,
3709 				    0,
3710 				    ada_default_timeout*1000);
3711 		ata_28bit_cmd(&local_ccb, cmd, 0, 0, 0);
3712 		error = cam_periph_runccb((union ccb *)&local_ccb, adaerror,
3713 		    /*cam_flags*/0, /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY,
3714 		    softc->disk->d_devstat);
3715 		if (error != 0)
3716 			xpt_print(periph->path, "Spin-down disk failed\n");
3717 		cam_periph_unlock(periph);
3718 	}
3719 }
3720 
3721 static void
3722 adashutdown(void *arg, int howto)
3723 {
3724 	int how;
3725 
3726 	if ((howto & RB_NOSYNC) != 0)
3727 		return;
3728 
3729 	adaflush();
3730 
3731 	/*
3732 	 * STANDBY IMMEDIATE saves any volatile data to the drive. It also spins
3733 	 * down hard drives. IDLE IMMEDIATE also saves the volatile data without
3734 	 * a spindown. We send the former when we expect to lose power soon. For
3735 	 * a warm boot, we send the latter to avoid a thundering herd of spinups
3736 	 * just after the kernel loads while probing. We have to do something to
3737 	 * flush the data because the BIOS in many systems resets the HBA
3738 	 * causing a COMINIT/COMRESET negotiation, which some drives interpret
3739 	 * as license to toss the volatile data, and others count as unclean
3740 	 * shutdown when in the Active PM state in SMART attributes.
3741 	 *
3742 	 * adaspindown will ensure that we don't send this to a drive that
3743 	 * doesn't support it.
3744 	 */
3745 	if (ada_spindown_shutdown != 0) {
3746 		how = (howto & (RB_HALT | RB_POWEROFF | RB_POWERCYCLE)) ?
3747 		    ATA_STANDBY_IMMEDIATE : ATA_IDLE_IMMEDIATE;
3748 		adaspindown(how, 0);
3749 	}
3750 }
3751 
3752 static void
3753 adasuspend(void *arg)
3754 {
3755 
3756 	adaflush();
3757 	/*
3758 	 * SLEEP also fushes any volatile data, like STANDBY IMEDIATE,
3759 	 * so we don't need to send it as well.
3760 	 */
3761 	if (ada_spindown_suspend != 0)
3762 		adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE);
3763 }
3764 
3765 static void
3766 adaresume(void *arg)
3767 {
3768 	struct cam_periph *periph;
3769 	struct ada_softc *softc;
3770 
3771 	if (ada_spindown_suspend == 0)
3772 		return;
3773 
3774 	CAM_PERIPH_FOREACH(periph, &adadriver) {
3775 		cam_periph_lock(periph);
3776 		softc = (struct ada_softc *)periph->softc;
3777 		/*
3778 		 * We only spin-down the drive if it is capable of it..
3779 		 */
3780 		if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) {
3781 			cam_periph_unlock(periph);
3782 			continue;
3783 		}
3784 
3785 		if (bootverbose)
3786 			xpt_print(periph->path, "resume\n");
3787 
3788 		/*
3789 		 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on
3790 		 * sleep request.
3791 		 */
3792 		cam_release_devq(periph->path,
3793 			 /*relsim_flags*/0,
3794 			 /*openings*/0,
3795 			 /*timeout*/0,
3796 			 /*getcount_only*/0);
3797 
3798 		cam_periph_unlock(periph);
3799 	}
3800 }
3801 
3802 #endif /* _KERNEL */
3803