xref: /freebsd/sys/cam/ata/ata_da.c (revision 02e9120893770924227138ba49df1edb3896112a)
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 SM863 Series SSDs (MZ7KM*)
733 		 * 4k optimised, NCQ believed to be working
734 		 */
735 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG MZ7KM*", "*" },
736 		/*quirks*/ADA_Q_4K
737 	},
738 	{
739 		/*
740 		 * Samsung 843T Series SSDs (MZ7WD*)
741 		 * Samsung PM851 Series SSDs (MZ7TE*)
742 		 * Samsung PM853T Series SSDs (MZ7GE*)
743 		 * 4k optimised, NCQ believed to be broken since these are
744 		 * appear to be built with the same controllers as the 840/850.
745 		 */
746 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG MZ7*", "*" },
747 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
748 	},
749 	{
750 		/*
751 		 * Same as for SAMSUNG MZ7* but enable the quirks for SSD
752 		 * starting with MZ7* too
753 		 */
754 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "MZ7*", "*" },
755 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
756 	},
757 	{
758 		/*
759 		 * Samsung PM851 Series SSDs Dell OEM
760 		 * device model          "SAMSUNG SSD PM851 mSATA 256GB"
761 		 * 4k optimised, NCQ broken
762 		 */
763 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG SSD PM851*", "*" },
764 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
765 	},
766 	{
767 		/*
768 		 * SuperTalent TeraDrive CT SSDs
769 		 * 4k optimised & trim only works in 4k requests + 4k aligned
770 		 */
771 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "FTM??CT25H*", "*" },
772 		/*quirks*/ADA_Q_4K
773 	},
774 	{
775 		/*
776 		 * XceedIOPS SATA SSDs
777 		 * 4k optimised
778 		 */
779 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SG9XCS2D*", "*" },
780 		/*quirks*/ADA_Q_4K
781 	},
782 	{
783 		/*
784 		 * Samsung drive that doesn't support READ LOG EXT or
785 		 * READ LOG DMA EXT, despite reporting that it does in
786 		 * ATA identify data:
787 		 * SAMSUNG HD200HJ KF100-06
788 		 */
789 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD200*", "*" },
790 		/*quirks*/ADA_Q_LOG_BROKEN
791 	},
792 	{
793 		/*
794 		 * Samsung drive that doesn't support READ LOG EXT or
795 		 * READ LOG DMA EXT, despite reporting that it does in
796 		 * ATA identify data:
797 		 * SAMSUNG HD501LJ CR100-10
798 		 */
799 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD501*", "*" },
800 		/*quirks*/ADA_Q_LOG_BROKEN
801 	},
802 	{
803 		/*
804 		 * Seagate Lamarr 8TB Shingled Magnetic Recording (SMR)
805 		 * Drive Managed SATA hard drive.  This drive doesn't report
806 		 * in firmware that it is a drive managed SMR drive.
807 		 */
808 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST8000AS000[23]*", "*" },
809 		/*quirks*/ADA_Q_SMR_DM
810 	},
811 	{
812 		/* WD Green SSD */
813 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WDS?????G0*", "*" },
814 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
815 	},
816 	{
817 		/* Default */
818 		{
819 		  T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED,
820 		  /*vendor*/"*", /*product*/"*", /*revision*/"*"
821 		},
822 		/*quirks*/0
823 	},
824 };
825 
826 static	disk_strategy_t	adastrategy;
827 static	dumper_t	adadump;
828 static	periph_init_t	adainit;
829 static	void		adadiskgonecb(struct disk *dp);
830 static	periph_oninv_t	adaoninvalidate;
831 static	periph_dtor_t	adacleanup;
832 static	void		adaasync(void *callback_arg, uint32_t code,
833 				struct cam_path *path, void *arg);
834 static	int		adabitsysctl(SYSCTL_HANDLER_ARGS);
835 static	int		adaflagssysctl(SYSCTL_HANDLER_ARGS);
836 static	int		adazonesupsysctl(SYSCTL_HANDLER_ARGS);
837 static	void		adasysctlinit(void *context, int pending);
838 static	int		adagetattr(struct bio *bp);
839 static	void		adasetflags(struct ada_softc *softc,
840 				    struct ccb_getdev *cgd);
841 static void		adasetgeom(struct ada_softc *softc,
842 				   struct ccb_getdev *cgd);
843 static	periph_ctor_t	adaregister;
844 static	void		ada_dsmtrim(struct ada_softc *softc, struct bio *bp,
845 				    struct ccb_ataio *ataio);
846 static	void 		ada_cfaerase(struct ada_softc *softc, struct bio *bp,
847 				     struct ccb_ataio *ataio);
848 static	int		ada_zone_bio_to_ata(int disk_zone_cmd);
849 static	int		ada_zone_cmd(struct cam_periph *periph, union ccb *ccb,
850 				     struct bio *bp, int *queue_ccb);
851 static	periph_start_t	adastart;
852 static	void		adaprobedone(struct cam_periph *periph, union ccb *ccb);
853 static	void		adazonedone(struct cam_periph *periph, union ccb *ccb);
854 static	void		adadone(struct cam_periph *periph,
855 			       union ccb *done_ccb);
856 static  int		adaerror(union ccb *ccb, uint32_t cam_flags,
857 				uint32_t sense_flags);
858 static callout_func_t	adasendorderedtag;
859 static void		adashutdown(void *arg, int howto);
860 static void		adasuspend(void *arg);
861 static void		adaresume(void *arg);
862 
863 #ifndef ADA_DEFAULT_TIMEOUT
864 #define ADA_DEFAULT_TIMEOUT 30	/* Timeout in seconds */
865 #endif
866 
867 #ifndef	ADA_DEFAULT_RETRY
868 #define	ADA_DEFAULT_RETRY	4
869 #endif
870 
871 #ifndef	ADA_DEFAULT_SEND_ORDERED
872 #define	ADA_DEFAULT_SEND_ORDERED	1
873 #endif
874 
875 #ifndef	ADA_DEFAULT_SPINDOWN_SHUTDOWN
876 #define	ADA_DEFAULT_SPINDOWN_SHUTDOWN	1
877 #endif
878 
879 #ifndef	ADA_DEFAULT_SPINDOWN_SUSPEND
880 #define	ADA_DEFAULT_SPINDOWN_SUSPEND	1
881 #endif
882 
883 #ifndef	ADA_DEFAULT_READ_AHEAD
884 #define	ADA_DEFAULT_READ_AHEAD	1
885 #endif
886 
887 #ifndef	ADA_DEFAULT_WRITE_CACHE
888 #define	ADA_DEFAULT_WRITE_CACHE	1
889 #endif
890 
891 #define	ADA_RA	(softc->read_ahead >= 0 ? \
892 		 softc->read_ahead : ada_read_ahead)
893 #define	ADA_WC	(softc->write_cache >= 0 ? \
894 		 softc->write_cache : ada_write_cache)
895 
896 static int ada_retry_count = ADA_DEFAULT_RETRY;
897 static int ada_default_timeout = ADA_DEFAULT_TIMEOUT;
898 static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED;
899 static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN;
900 static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND;
901 static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD;
902 static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE;
903 static int ada_enable_biospeedup = 1;
904 static int ada_enable_uma_ccbs = 1;
905 
906 static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
907     "CAM Direct Access Disk driver");
908 SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RWTUN,
909            &ada_retry_count, 0, "Normal I/O retry count");
910 SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RWTUN,
911            &ada_default_timeout, 0, "Normal I/O timeout (in seconds)");
912 SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RWTUN,
913            &ada_send_ordered, 0, "Send Ordered Tags");
914 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RWTUN,
915            &ada_spindown_shutdown, 0, "Spin down upon shutdown");
916 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RWTUN,
917            &ada_spindown_suspend, 0, "Spin down upon suspend");
918 SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RWTUN,
919            &ada_read_ahead, 0, "Enable disk read-ahead");
920 SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RWTUN,
921            &ada_write_cache, 0, "Enable disk write cache");
922 SYSCTL_INT(_kern_cam_ada, OID_AUTO, enable_biospeedup, CTLFLAG_RDTUN,
923 	   &ada_enable_biospeedup, 0, "Enable BIO_SPEEDUP processing");
924 SYSCTL_INT(_kern_cam_ada, OID_AUTO, enable_uma_ccbs, CTLFLAG_RWTUN,
925 	    &ada_enable_uma_ccbs, 0, "Use UMA for CCBs");
926 
927 /*
928  * ADA_ORDEREDTAG_INTERVAL determines how often, relative
929  * to the default timeout, we check to see whether an ordered
930  * tagged transaction is appropriate to prevent simple tag
931  * starvation.  Since we'd like to ensure that there is at least
932  * 1/2 of the timeout length left for a starved transaction to
933  * complete after we've sent an ordered tag, we must poll at least
934  * four times in every timeout period.  This takes care of the worst
935  * case where a starved transaction starts during an interval that
936  * meets the requirement "don't send an ordered tag" test so it takes
937  * us two intervals to determine that a tag must be sent.
938  */
939 #ifndef ADA_ORDEREDTAG_INTERVAL
940 #define ADA_ORDEREDTAG_INTERVAL 4
941 #endif
942 
943 static struct periph_driver adadriver =
944 {
945 	adainit, "ada",
946 	TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0
947 };
948 
949 static int adadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
950 
951 PERIPHDRIVER_DECLARE(ada, adadriver);
952 
953 static MALLOC_DEFINE(M_ATADA, "ata_da", "ata_da buffers");
954 
955 static int
956 adaopen(struct disk *dp)
957 {
958 	struct cam_periph *periph;
959 	struct ada_softc *softc;
960 	int error;
961 
962 	periph = (struct cam_periph *)dp->d_drv1;
963 	if (cam_periph_acquire(periph) != 0) {
964 		return(ENXIO);
965 	}
966 
967 	cam_periph_lock(periph);
968 	if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) {
969 		cam_periph_unlock(periph);
970 		cam_periph_release(periph);
971 		return (error);
972 	}
973 
974 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
975 	    ("adaopen\n"));
976 
977 	softc = (struct ada_softc *)periph->softc;
978 	softc->flags |= ADA_FLAG_OPEN;
979 
980 	cam_periph_unhold(periph);
981 	cam_periph_unlock(periph);
982 	return (0);
983 }
984 
985 static int
986 adaclose(struct disk *dp)
987 {
988 	struct	cam_periph *periph;
989 	struct	ada_softc *softc;
990 	union ccb *ccb;
991 	int error;
992 
993 	periph = (struct cam_periph *)dp->d_drv1;
994 	softc = (struct ada_softc *)periph->softc;
995 	cam_periph_lock(periph);
996 
997 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
998 	    ("adaclose\n"));
999 
1000 	/* We only sync the cache if the drive is capable of it. */
1001 	if ((softc->flags & ADA_FLAG_DIRTY) != 0 &&
1002 	    (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 &&
1003 	    (periph->flags & CAM_PERIPH_INVALID) == 0 &&
1004 	    cam_periph_hold(periph, PRIBIO) == 0) {
1005 		ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1006 		cam_fill_ataio(&ccb->ataio,
1007 				    1,
1008 				    NULL,
1009 				    CAM_DIR_NONE,
1010 				    0,
1011 				    NULL,
1012 				    0,
1013 				    ada_default_timeout*1000);
1014 
1015 		if (softc->flags & ADA_FLAG_CAN_48BIT)
1016 			ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0);
1017 		else
1018 			ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0);
1019 		error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0,
1020 		    /*sense_flags*/0, softc->disk->d_devstat);
1021 
1022 		if (error != 0)
1023 			xpt_print(periph->path, "Synchronize cache failed\n");
1024 		softc->flags &= ~ADA_FLAG_DIRTY;
1025 		xpt_release_ccb(ccb);
1026 		cam_periph_unhold(periph);
1027 	}
1028 
1029 	softc->flags &= ~ADA_FLAG_OPEN;
1030 
1031 	while (softc->refcount != 0)
1032 		cam_periph_sleep(periph, &softc->refcount, PRIBIO, "adaclose", 1);
1033 	cam_periph_unlock(periph);
1034 	cam_periph_release(periph);
1035 	return (0);
1036 }
1037 
1038 static void
1039 adaschedule(struct cam_periph *periph)
1040 {
1041 	struct ada_softc *softc = (struct ada_softc *)periph->softc;
1042 
1043 	if (softc->state != ADA_STATE_NORMAL)
1044 		return;
1045 
1046 	cam_iosched_schedule(softc->cam_iosched, periph);
1047 }
1048 
1049 /*
1050  * Actually translate the requested transfer into one the physical driver
1051  * can understand.  The transfer is described by a buf and will include
1052  * only one physical transfer.
1053  */
1054 static void
1055 adastrategy(struct bio *bp)
1056 {
1057 	struct cam_periph *periph;
1058 	struct ada_softc *softc;
1059 
1060 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1061 	softc = (struct ada_softc *)periph->softc;
1062 
1063 	cam_periph_lock(periph);
1064 
1065 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp));
1066 
1067 	/*
1068 	 * If the device has been made invalid, error out
1069 	 */
1070 	if ((periph->flags & CAM_PERIPH_INVALID) != 0) {
1071 		cam_periph_unlock(periph);
1072 		biofinish(bp, NULL, ENXIO);
1073 		return;
1074 	}
1075 
1076 	/*
1077 	 * Zone commands must be ordered, because they can depend on the
1078 	 * effects of previously issued commands, and they may affect
1079 	 * commands after them.
1080 	 */
1081 	if (bp->bio_cmd == BIO_ZONE)
1082 		bp->bio_flags |= BIO_ORDERED;
1083 
1084 	/*
1085 	 * Place it in the queue of disk activities for this disk
1086 	 */
1087 	cam_iosched_queue_work(softc->cam_iosched, bp);
1088 
1089 	/*
1090 	 * Schedule ourselves for performing the work.
1091 	 */
1092 	adaschedule(periph);
1093 	cam_periph_unlock(periph);
1094 
1095 	return;
1096 }
1097 
1098 static int
1099 adadump(void *arg, void *virtual, off_t offset, size_t length)
1100 {
1101 	struct	    cam_periph *periph;
1102 	struct	    ada_softc *softc;
1103 	u_int	    secsize;
1104 	struct	    ccb_ataio ataio;
1105 	struct	    disk *dp;
1106 	uint64_t    lba;
1107 	uint16_t    count;
1108 	int	    error = 0;
1109 
1110 	dp = arg;
1111 	periph = dp->d_drv1;
1112 	softc = (struct ada_softc *)periph->softc;
1113 	secsize = softc->params.secsize;
1114 	lba = offset / secsize;
1115 	count = length / secsize;
1116 	if ((periph->flags & CAM_PERIPH_INVALID) != 0)
1117 		return (ENXIO);
1118 
1119 	memset(&ataio, 0, sizeof(ataio));
1120 	if (length > 0) {
1121 		xpt_setup_ccb(&ataio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1122 		ataio.ccb_h.ccb_state = ADA_CCB_DUMP;
1123 		cam_fill_ataio(&ataio,
1124 		    0,
1125 		    NULL,
1126 		    CAM_DIR_OUT,
1127 		    0,
1128 		    (uint8_t *) virtual,
1129 		    length,
1130 		    ada_default_timeout*1000);
1131 		if ((softc->flags & ADA_FLAG_CAN_48BIT) &&
1132 		    (lba + count >= ATA_MAX_28BIT_LBA ||
1133 		    count >= 256)) {
1134 			ata_48bit_cmd(&ataio, ATA_WRITE_DMA48,
1135 			    0, lba, count);
1136 		} else {
1137 			ata_28bit_cmd(&ataio, ATA_WRITE_DMA,
1138 			    0, lba, count);
1139 		}
1140 		error = cam_periph_runccb((union ccb *)&ataio, adaerror,
1141 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1142 		if (error != 0)
1143 			printf("Aborting dump due to I/O error.\n");
1144 
1145 		return (error);
1146 	}
1147 
1148 	if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) {
1149 		xpt_setup_ccb(&ataio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1150 
1151 		/*
1152 		 * Tell the drive to flush its internal cache. if we
1153 		 * can't flush in 5s we have big problems. No need to
1154 		 * wait the default 60s to detect problems.
1155 		 */
1156 		ataio.ccb_h.ccb_state = ADA_CCB_DUMP;
1157 		cam_fill_ataio(&ataio,
1158 				    0,
1159 				    NULL,
1160 				    CAM_DIR_NONE,
1161 				    0,
1162 				    NULL,
1163 				    0,
1164 				    5*1000);
1165 
1166 		if (softc->flags & ADA_FLAG_CAN_48BIT)
1167 			ata_48bit_cmd(&ataio, ATA_FLUSHCACHE48, 0, 0, 0);
1168 		else
1169 			ata_28bit_cmd(&ataio, ATA_FLUSHCACHE, 0, 0, 0);
1170 		error = cam_periph_runccb((union ccb *)&ataio, adaerror,
1171 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1172 		if (error != 0)
1173 			xpt_print(periph->path, "Synchronize cache failed\n");
1174 	}
1175 	return (error);
1176 }
1177 
1178 static void
1179 adainit(void)
1180 {
1181 	cam_status status;
1182 
1183 	ada_ccb_zone = uma_zcreate("ada_ccb",
1184 	    sizeof(struct ccb_ataio), NULL, NULL, NULL, NULL,
1185 	    UMA_ALIGN_PTR, 0);
1186 
1187 	/*
1188 	 * Install a global async callback.  This callback will
1189 	 * receive async callbacks like "new device found".
1190 	 */
1191 	status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL);
1192 
1193 	if (status != CAM_REQ_CMP) {
1194 		printf("ada: Failed to attach master async callback "
1195 		       "due to status 0x%x!\n", status);
1196 	} else if (ada_send_ordered) {
1197 		/* Register our event handlers */
1198 		if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend,
1199 					   NULL, EVENTHANDLER_PRI_LAST)) == NULL)
1200 		    printf("adainit: power event registration failed!\n");
1201 		if ((EVENTHANDLER_REGISTER(power_resume, adaresume,
1202 					   NULL, EVENTHANDLER_PRI_LAST)) == NULL)
1203 		    printf("adainit: power event registration failed!\n");
1204 		if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown,
1205 					   NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1206 		    printf("adainit: shutdown event registration failed!\n");
1207 	}
1208 }
1209 
1210 /*
1211  * Callback from GEOM, called when it has finished cleaning up its
1212  * resources.
1213  */
1214 static void
1215 adadiskgonecb(struct disk *dp)
1216 {
1217 	struct cam_periph *periph;
1218 
1219 	periph = (struct cam_periph *)dp->d_drv1;
1220 
1221 	cam_periph_release(periph);
1222 }
1223 
1224 static void
1225 adaoninvalidate(struct cam_periph *periph)
1226 {
1227 	struct ada_softc *softc;
1228 
1229 	softc = (struct ada_softc *)periph->softc;
1230 
1231 	/*
1232 	 * De-register any async callbacks.
1233 	 */
1234 	xpt_register_async(0, adaasync, periph, periph->path);
1235 #ifdef CAM_IO_STATS
1236 	softc->invalidations++;
1237 #endif
1238 
1239 	/*
1240 	 * Return all queued I/O with ENXIO. Transactions may be queued up here
1241 	 * for retry (since we are called while there's other transactions
1242 	 * pending). Any requests in the hardware will drain before ndacleanup
1243 	 * is called.
1244 	 */
1245 	cam_iosched_flush(softc->cam_iosched, NULL, ENXIO);
1246 
1247 	/*
1248 	 * Tell GEOM that we've gone away, we'll get a callback when it is
1249 	 * done cleaning up its resources.
1250 	 */
1251 	disk_gone(softc->disk);
1252 }
1253 
1254 static void
1255 adacleanup(struct cam_periph *periph)
1256 {
1257 	struct ada_softc *softc;
1258 
1259 	softc = (struct ada_softc *)periph->softc;
1260 
1261 	cam_periph_unlock(periph);
1262 
1263 	cam_iosched_fini(softc->cam_iosched);
1264 
1265 	/*
1266 	 * If we can't free the sysctl tree, oh well...
1267 	 */
1268 	if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0) {
1269 #ifdef CAM_IO_STATS
1270 		if (sysctl_ctx_free(&softc->sysctl_stats_ctx) != 0)
1271 			xpt_print(periph->path,
1272 			    "can't remove sysctl stats context\n");
1273 #endif
1274 		if (sysctl_ctx_free(&softc->sysctl_ctx) != 0)
1275 			xpt_print(periph->path,
1276 			    "can't remove sysctl context\n");
1277 	}
1278 
1279 	disk_destroy(softc->disk);
1280 	callout_drain(&softc->sendordered_c);
1281 	free(softc, M_DEVBUF);
1282 	cam_periph_lock(periph);
1283 }
1284 
1285 static void
1286 adasetdeletemethod(struct ada_softc *softc)
1287 {
1288 
1289 	if (softc->flags & ADA_FLAG_CAN_NCQ_TRIM)
1290 		softc->delete_method = ADA_DELETE_NCQ_DSM_TRIM;
1291 	else if (softc->flags & ADA_FLAG_CAN_TRIM)
1292 		softc->delete_method = ADA_DELETE_DSM_TRIM;
1293 	else if ((softc->flags & ADA_FLAG_CAN_CFA) && !(softc->flags & ADA_FLAG_CAN_48BIT))
1294 		softc->delete_method = ADA_DELETE_CFA_ERASE;
1295 	else
1296 		softc->delete_method = ADA_DELETE_NONE;
1297 }
1298 
1299 static void
1300 adaasync(void *callback_arg, uint32_t code,
1301 	struct cam_path *path, void *arg)
1302 {
1303 	struct ccb_getdev cgd;
1304 	struct cam_periph *periph;
1305 	struct ada_softc *softc;
1306 
1307 	periph = (struct cam_periph *)callback_arg;
1308 	switch (code) {
1309 	case AC_FOUND_DEVICE:
1310 	{
1311 		struct ccb_getdev *cgd;
1312 		cam_status status;
1313 
1314 		cgd = (struct ccb_getdev *)arg;
1315 		if (cgd == NULL)
1316 			break;
1317 
1318 		if (cgd->protocol != PROTO_ATA)
1319 			break;
1320 
1321 		/*
1322 		 * Allocate a peripheral instance for
1323 		 * this device and start the probe
1324 		 * process.
1325 		 */
1326 		status = cam_periph_alloc(adaregister, adaoninvalidate,
1327 					  adacleanup, adastart,
1328 					  "ada", CAM_PERIPH_BIO,
1329 					  path, adaasync,
1330 					  AC_FOUND_DEVICE, cgd);
1331 
1332 		if (status != CAM_REQ_CMP
1333 		 && status != CAM_REQ_INPROG)
1334 			printf("adaasync: Unable to attach to new device "
1335 				"due to status 0x%x\n", status);
1336 		break;
1337 	}
1338 	case AC_GETDEV_CHANGED:
1339 	{
1340 		softc = (struct ada_softc *)periph->softc;
1341 		memset(&cgd, 0, sizeof(cgd));
1342 		xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1343 		cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1344 		xpt_action((union ccb *)&cgd);
1345 
1346 		/*
1347 		 * Update our information based on the new Identify data.
1348 		 */
1349 		adasetflags(softc, &cgd);
1350 		adasetgeom(softc, &cgd);
1351 		disk_resize(softc->disk, M_NOWAIT);
1352 		break;
1353 	}
1354 	case AC_ADVINFO_CHANGED:
1355 	{
1356 		uintptr_t buftype;
1357 
1358 		buftype = (uintptr_t)arg;
1359 		if (buftype == CDAI_TYPE_PHYS_PATH) {
1360 			struct ada_softc *softc;
1361 
1362 			softc = periph->softc;
1363 			disk_attr_changed(softc->disk, "GEOM::physpath",
1364 					  M_NOWAIT);
1365 		}
1366 		break;
1367 	}
1368 	case AC_SENT_BDR:
1369 	case AC_BUS_RESET:
1370 	{
1371 		softc = (struct ada_softc *)periph->softc;
1372 		if (softc->state != ADA_STATE_NORMAL)
1373 			break;
1374 		if (ADA_RA >= 0 && softc->flags & ADA_FLAG_CAN_RAHEAD)
1375 			softc->state = ADA_STATE_RAHEAD;
1376 		else if (ADA_WC >= 0 && softc->flags & ADA_FLAG_CAN_WCACHE)
1377 			softc->state = ADA_STATE_WCACHE;
1378 		else if ((softc->flags & ADA_FLAG_CAN_LOG)
1379 		      && (softc->zone_mode != ADA_ZONE_NONE))
1380 			softc->state = ADA_STATE_LOGDIR;
1381 		else
1382 			break;
1383 		if (cam_periph_acquire(periph) != 0)
1384 			softc->state = ADA_STATE_NORMAL;
1385 		else
1386 			xpt_schedule(periph, CAM_PRIORITY_DEV);
1387 		break;
1388 	}
1389 	default:
1390 		break;
1391 	}
1392 	cam_periph_async(periph, code, path, arg);
1393 }
1394 
1395 static int
1396 adazonemodesysctl(SYSCTL_HANDLER_ARGS)
1397 {
1398 	char tmpbuf[40];
1399 	struct ada_softc *softc;
1400 	int error;
1401 
1402 	softc = (struct ada_softc *)arg1;
1403 
1404 	switch (softc->zone_mode) {
1405 	case ADA_ZONE_DRIVE_MANAGED:
1406 		snprintf(tmpbuf, sizeof(tmpbuf), "Drive Managed");
1407 		break;
1408 	case ADA_ZONE_HOST_AWARE:
1409 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Aware");
1410 		break;
1411 	case ADA_ZONE_HOST_MANAGED:
1412 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Managed");
1413 		break;
1414 	case ADA_ZONE_NONE:
1415 	default:
1416 		snprintf(tmpbuf, sizeof(tmpbuf), "Not Zoned");
1417 		break;
1418 	}
1419 
1420 	error = sysctl_handle_string(oidp, tmpbuf, sizeof(tmpbuf), req);
1421 
1422 	return (error);
1423 }
1424 
1425 static int
1426 adazonesupsysctl(SYSCTL_HANDLER_ARGS)
1427 {
1428 	struct ada_softc *softc;
1429 	struct sbuf sb;
1430 	int error, first;
1431 	unsigned int i;
1432 
1433 	softc = (struct ada_softc *)arg1;
1434 
1435 	first = 1;
1436 	sbuf_new_for_sysctl(&sb, NULL, 0, req);
1437 
1438 	for (i = 0; i < sizeof(ada_zone_desc_table) /
1439 	     sizeof(ada_zone_desc_table[0]); i++) {
1440 		if (softc->zone_flags & ada_zone_desc_table[i].value) {
1441 			if (first == 0)
1442 				sbuf_cat(&sb, ", ");
1443 			else
1444 				first = 0;
1445 			sbuf_cat(&sb, ada_zone_desc_table[i].desc);
1446 		}
1447 	}
1448 
1449 	if (first == 1)
1450 		sbuf_cat(&sb, "None");
1451 
1452 	error = sbuf_finish(&sb);
1453 	sbuf_delete(&sb);
1454 	return (error);
1455 }
1456 
1457 static void
1458 adasysctlinit(void *context, int pending)
1459 {
1460 	struct cam_periph *periph;
1461 	struct ada_softc *softc;
1462 	char tmpstr[32], tmpstr2[16];
1463 
1464 	periph = (struct cam_periph *)context;
1465 
1466 	/* periph was held for us when this task was enqueued */
1467 	if ((periph->flags & CAM_PERIPH_INVALID) != 0) {
1468 		cam_periph_release(periph);
1469 		return;
1470 	}
1471 
1472 	softc = (struct ada_softc *)periph->softc;
1473 	snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d",periph->unit_number);
1474 	snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1475 
1476 	sysctl_ctx_init(&softc->sysctl_ctx);
1477 	softc->flags |= ADA_FLAG_SCTX_INIT;
1478 	softc->sysctl_tree = SYSCTL_ADD_NODE_WITH_LABEL(&softc->sysctl_ctx,
1479 		SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2,
1480 		CTLFLAG_RD | CTLFLAG_MPSAFE, 0, tmpstr, "device_index");
1481 	if (softc->sysctl_tree == NULL) {
1482 		printf("adasysctlinit: unable to allocate sysctl tree\n");
1483 		cam_periph_release(periph);
1484 		return;
1485 	}
1486 
1487 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1488 		OID_AUTO, "delete_method",
1489 		CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_MPSAFE,
1490 		softc, 0, adadeletemethodsysctl, "A",
1491 		"BIO_DELETE execution method");
1492 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1493 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1494 		"trim_count", CTLFLAG_RD, &softc->trim_count,
1495 		"Total number of dsm commands sent");
1496 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1497 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1498 		"trim_ranges", CTLFLAG_RD, &softc->trim_ranges,
1499 		"Total number of ranges in dsm commands");
1500 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1501 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1502 		"trim_lbas", CTLFLAG_RD, &softc->trim_lbas,
1503 		"Total lbas in the dsm commands sent");
1504 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1505 		OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE,
1506 		&softc->read_ahead, 0, "Enable disk read ahead.");
1507 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1508 		OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE,
1509 		&softc->write_cache, 0, "Enable disk write cache.");
1510 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1511 		OID_AUTO, "zone_mode",
1512 		CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
1513 		softc, 0, adazonemodesysctl, "A",
1514 		"Zone Mode");
1515 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1516 		OID_AUTO, "zone_support",
1517 		CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
1518 		softc, 0, adazonesupsysctl, "A",
1519 		"Zone Support");
1520 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1521 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1522 		"optimal_seq_zones", CTLFLAG_RD, &softc->optimal_seq_zones,
1523 		"Optimal Number of Open Sequential Write Preferred Zones");
1524 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1525 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1526 		"optimal_nonseq_zones", CTLFLAG_RD,
1527 		&softc->optimal_nonseq_zones,
1528 		"Optimal Number of Non-Sequentially Written Sequential Write "
1529 		"Preferred Zones");
1530 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1531 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1532 		"max_seq_zones", CTLFLAG_RD, &softc->max_seq_zones,
1533 		"Maximum Number of Open Sequential Write Required Zones");
1534 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1535 	    OID_AUTO, "flags", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
1536 	    softc, 0, adaflagssysctl, "A",
1537 	    "Flags for drive");
1538 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1539 	    OID_AUTO, "unmapped_io", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE,
1540 	    &softc->flags, (u_int)ADA_FLAG_UNMAPPEDIO, adabitsysctl, "I",
1541 	    "Use unmapped I/O. This sysctl is *DEPRECATED*, gone in FreeBSD 15");
1542 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1543 	    OID_AUTO, "rotating", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE,
1544 	    &softc->flags, (u_int)ADA_FLAG_ROTATING, adabitsysctl, "I",
1545 	    "Rotating media. This sysctl is *DEPRECATED*, gone in FreeBSD 15");
1546 
1547 #ifdef CAM_TEST_FAILURE
1548 	/*
1549 	 * Add a 'door bell' sysctl which allows one to set it from userland
1550 	 * and cause something bad to happen.  For the moment, we only allow
1551 	 * whacking the next read or write.
1552 	 */
1553 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1554 		OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE,
1555 		&softc->force_read_error, 0,
1556 		"Force a read error for the next N reads.");
1557 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1558 		OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE,
1559 		&softc->force_write_error, 0,
1560 		"Force a write error for the next N writes.");
1561 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1562 		OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE,
1563 		&softc->periodic_read_error, 0,
1564 		"Force a read error every N reads (don't set too low).");
1565 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1566 		OID_AUTO, "invalidate", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE,
1567 		periph, 0, cam_periph_invalidate_sysctl, "I",
1568 		"Write 1 to invalidate the drive immediately");
1569 #endif
1570 
1571 #ifdef CAM_IO_STATS
1572 	softc->sysctl_stats_tree = SYSCTL_ADD_NODE(&softc->sysctl_stats_ctx,
1573 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "stats",
1574 		CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Statistics");
1575 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
1576 		SYSCTL_CHILDREN(softc->sysctl_stats_tree),
1577 		OID_AUTO, "timeouts", CTLFLAG_RD | CTLFLAG_MPSAFE,
1578 		&softc->timeouts, 0,
1579 		"Device timeouts reported by the SIM");
1580 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
1581 		SYSCTL_CHILDREN(softc->sysctl_stats_tree),
1582 		OID_AUTO, "errors", CTLFLAG_RD | CTLFLAG_MPSAFE,
1583 		&softc->errors, 0,
1584 		"Transport errors reported by the SIM.");
1585 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
1586 		SYSCTL_CHILDREN(softc->sysctl_stats_tree),
1587 		OID_AUTO, "pack_invalidations", CTLFLAG_RD | CTLFLAG_MPSAFE,
1588 		&softc->invalidations, 0,
1589 		"Device pack invalidations.");
1590 #endif
1591 
1592 	cam_iosched_sysctl_init(softc->cam_iosched, &softc->sysctl_ctx,
1593 	    softc->sysctl_tree);
1594 
1595 	cam_periph_release(periph);
1596 }
1597 
1598 static int
1599 adagetattr(struct bio *bp)
1600 {
1601 	int ret;
1602 	struct cam_periph *periph;
1603 
1604 	if (g_handleattr_int(bp, "GEOM::canspeedup", ada_enable_biospeedup))
1605 		return (EJUSTRETURN);
1606 
1607 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1608 	cam_periph_lock(periph);
1609 	ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1610 	    periph->path);
1611 	cam_periph_unlock(periph);
1612 	if (ret == 0)
1613 		bp->bio_completed = bp->bio_length;
1614 	return ret;
1615 }
1616 
1617 static int
1618 adadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
1619 {
1620 	char buf[16];
1621 	const char *p;
1622 	struct ada_softc *softc;
1623 	int i, error, value, methods;
1624 
1625 	softc = (struct ada_softc *)arg1;
1626 
1627 	value = softc->delete_method;
1628 	if (value < 0 || value > ADA_DELETE_MAX)
1629 		p = "UNKNOWN";
1630 	else
1631 		p = ada_delete_method_names[value];
1632 	strncpy(buf, p, sizeof(buf));
1633 	error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
1634 	if (error != 0 || req->newptr == NULL)
1635 		return (error);
1636 	methods = 1 << ADA_DELETE_DISABLE;
1637 	if ((softc->flags & ADA_FLAG_CAN_CFA) &&
1638 	    !(softc->flags & ADA_FLAG_CAN_48BIT))
1639 		methods |= 1 << ADA_DELETE_CFA_ERASE;
1640 	if (softc->flags & ADA_FLAG_CAN_TRIM)
1641 		methods |= 1 << ADA_DELETE_DSM_TRIM;
1642 	if (softc->flags & ADA_FLAG_CAN_NCQ_TRIM)
1643 		methods |= 1 << ADA_DELETE_NCQ_DSM_TRIM;
1644 	for (i = 0; i <= ADA_DELETE_MAX; i++) {
1645 		if (!(methods & (1 << i)) ||
1646 		    strcmp(buf, ada_delete_method_names[i]) != 0)
1647 			continue;
1648 		softc->delete_method = i;
1649 		return (0);
1650 	}
1651 	return (EINVAL);
1652 }
1653 
1654 static int
1655 adabitsysctl(SYSCTL_HANDLER_ARGS)
1656 {
1657 	u_int *flags = arg1;
1658 	u_int test = arg2;
1659 	int tmpout, error;
1660 
1661 	tmpout = !!(*flags & test);
1662 	error = SYSCTL_OUT(req, &tmpout, sizeof(tmpout));
1663 	if (error || !req->newptr)
1664 		return (error);
1665 
1666 	return (EPERM);
1667 }
1668 
1669 static int
1670 adaflagssysctl(SYSCTL_HANDLER_ARGS)
1671 {
1672 	struct sbuf sbuf;
1673 	struct ada_softc *softc = arg1;
1674 	int error;
1675 
1676 	sbuf_new_for_sysctl(&sbuf, NULL, 0, req);
1677 	if (softc->flags != 0)
1678 		sbuf_printf(&sbuf, "0x%b", (unsigned)softc->flags, ADA_FLAG_STRING);
1679 	else
1680 		sbuf_putc(&sbuf, '0');
1681 	error = sbuf_finish(&sbuf);
1682 	sbuf_delete(&sbuf);
1683 
1684 	return (error);
1685 }
1686 
1687 static void
1688 adasetflags(struct ada_softc *softc, struct ccb_getdev *cgd)
1689 {
1690 	if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) &&
1691 	    (cgd->inq_flags & SID_DMA))
1692 		softc->flags |= ADA_FLAG_CAN_DMA;
1693 	else
1694 		softc->flags &= ~ADA_FLAG_CAN_DMA;
1695 
1696 	if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) {
1697 		softc->flags |= ADA_FLAG_CAN_48BIT;
1698 		if (cgd->inq_flags & SID_DMA48)
1699 			softc->flags |= ADA_FLAG_CAN_DMA48;
1700 		else
1701 			softc->flags &= ~ADA_FLAG_CAN_DMA48;
1702 	} else
1703 		softc->flags &= ~(ADA_FLAG_CAN_48BIT | ADA_FLAG_CAN_DMA48);
1704 
1705 	if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE)
1706 		softc->flags |= ADA_FLAG_CAN_FLUSHCACHE;
1707 	else
1708 		softc->flags &= ~ADA_FLAG_CAN_FLUSHCACHE;
1709 
1710 	if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT)
1711 		softc->flags |= ADA_FLAG_CAN_POWERMGT;
1712 	else
1713 		softc->flags &= ~ADA_FLAG_CAN_POWERMGT;
1714 
1715 	if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) &&
1716 	    (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue))
1717 		softc->flags |= ADA_FLAG_CAN_NCQ;
1718 	else
1719 		softc->flags &= ~ADA_FLAG_CAN_NCQ;
1720 
1721 	if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) &&
1722 	    (cgd->inq_flags & SID_DMA) &&
1723 	    (softc->quirks & ADA_Q_NO_TRIM) == 0) {
1724 		softc->flags |= ADA_FLAG_CAN_TRIM;
1725 		softc->trim_max_ranges = TRIM_MAX_RANGES;
1726 		if (cgd->ident_data.max_dsm_blocks != 0) {
1727 			softc->trim_max_ranges =
1728 			    min(cgd->ident_data.max_dsm_blocks *
1729 				ATA_DSM_BLK_RANGES, softc->trim_max_ranges);
1730 		}
1731 		/*
1732 		 * If we can do RCVSND_FPDMA_QUEUED commands, we may be able
1733 		 * to do NCQ trims, if we support trims at all. We also need
1734 		 * support from the SIM to do things properly. Perhaps we
1735 		 * should look at log 13 dword 0 bit 0 and dword 1 bit 0 are
1736 		 * set too...
1737 		 */
1738 		if ((softc->quirks & ADA_Q_NCQ_TRIM_BROKEN) == 0 &&
1739 		    (softc->flags & ADA_FLAG_PIM_ATA_EXT) != 0 &&
1740 		    (cgd->ident_data.satacapabilities2 &
1741 		     ATA_SUPPORT_RCVSND_FPDMA_QUEUED) != 0 &&
1742 		    (softc->flags & ADA_FLAG_CAN_TRIM) != 0)
1743 			softc->flags |= ADA_FLAG_CAN_NCQ_TRIM;
1744 		else
1745 			softc->flags &= ~ADA_FLAG_CAN_NCQ_TRIM;
1746 	} else
1747 		softc->flags &= ~(ADA_FLAG_CAN_TRIM | ADA_FLAG_CAN_NCQ_TRIM);
1748 
1749 	if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA)
1750 		softc->flags |= ADA_FLAG_CAN_CFA;
1751 	else
1752 		softc->flags &= ~ADA_FLAG_CAN_CFA;
1753 
1754 	/*
1755 	 * Now that we've set the appropriate flags, setup the delete
1756 	 * method.
1757 	 */
1758 	adasetdeletemethod(softc);
1759 
1760 	if ((cgd->ident_data.support.extension & ATA_SUPPORT_GENLOG)
1761 	 && ((softc->quirks & ADA_Q_LOG_BROKEN) == 0))
1762 		softc->flags |= ADA_FLAG_CAN_LOG;
1763 	else
1764 		softc->flags &= ~ADA_FLAG_CAN_LOG;
1765 
1766 	if ((cgd->ident_data.support3 & ATA_SUPPORT_ZONE_MASK) ==
1767 	     ATA_SUPPORT_ZONE_HOST_AWARE)
1768 		softc->zone_mode = ADA_ZONE_HOST_AWARE;
1769 	else if (((cgd->ident_data.support3 & ATA_SUPPORT_ZONE_MASK) ==
1770 		   ATA_SUPPORT_ZONE_DEV_MANAGED)
1771 	      || (softc->quirks & ADA_Q_SMR_DM))
1772 		softc->zone_mode = ADA_ZONE_DRIVE_MANAGED;
1773 	else
1774 		softc->zone_mode = ADA_ZONE_NONE;
1775 
1776 	if (cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD)
1777 		softc->flags |= ADA_FLAG_CAN_RAHEAD;
1778 	else
1779 		softc->flags &= ~ADA_FLAG_CAN_RAHEAD;
1780 
1781 	if (cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE)
1782 		softc->flags |= ADA_FLAG_CAN_WCACHE;
1783 	else
1784 		softc->flags &= ~ADA_FLAG_CAN_WCACHE;
1785 }
1786 
1787 static cam_status
1788 adaregister(struct cam_periph *periph, void *arg)
1789 {
1790 	struct ada_softc *softc;
1791 	struct ccb_getdev *cgd;
1792 	struct disk_params *dp;
1793 	struct sbuf sb;
1794 	char   *announce_buf;
1795 	caddr_t match;
1796 	int quirks;
1797 
1798 	cgd = (struct ccb_getdev *)arg;
1799 	if (cgd == NULL) {
1800 		printf("adaregister: no getdev CCB, can't register device\n");
1801 		return(CAM_REQ_CMP_ERR);
1802 	}
1803 
1804 	softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF,
1805 	    M_NOWAIT|M_ZERO);
1806 
1807 	if (softc == NULL) {
1808 		printf("adaregister: Unable to probe new device. "
1809 		    "Unable to allocate softc\n");
1810 		return(CAM_REQ_CMP_ERR);
1811 	}
1812 
1813 	announce_buf = softc->announce_temp;
1814 	bzero(announce_buf, ADA_ANNOUNCETMP_SZ);
1815 
1816 	if (cam_iosched_init(&softc->cam_iosched, periph) != 0) {
1817 		printf("adaregister: Unable to probe new device. "
1818 		       "Unable to allocate iosched memory\n");
1819 		free(softc, M_DEVBUF);
1820 		return(CAM_REQ_CMP_ERR);
1821 	}
1822 
1823 	periph->softc = softc;
1824 	xpt_path_inq(&softc->cpi, periph->path);
1825 
1826 	/*
1827 	 * See if this device has any quirks.
1828 	 */
1829 	match = cam_quirkmatch((caddr_t)&cgd->ident_data,
1830 			       (caddr_t)ada_quirk_table,
1831 			       nitems(ada_quirk_table),
1832 			       sizeof(*ada_quirk_table), ata_identify_match);
1833 	if (match != NULL)
1834 		softc->quirks = ((struct ada_quirk_entry *)match)->quirks;
1835 	else
1836 		softc->quirks = ADA_Q_NONE;
1837 
1838 	TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph);
1839 
1840 	/*
1841 	 * Take a reference on the periph while adastart is called to finish
1842 	 * the probe.  The reference will be dropped in adaprobedone at the
1843 	 * end of probe.
1844 	 */
1845 	(void)cam_periph_acquire(periph);
1846 	cam_periph_unlock(periph);
1847 	snprintf(announce_buf, ADA_ANNOUNCETMP_SZ,
1848 	    "kern.cam.ada.%d.quirks", periph->unit_number);
1849 	quirks = softc->quirks;
1850 	TUNABLE_INT_FETCH(announce_buf, &quirks);
1851 	softc->quirks = quirks;
1852 	softc->read_ahead = -1;
1853 	snprintf(announce_buf, ADA_ANNOUNCETMP_SZ,
1854 	    "kern.cam.ada.%d.read_ahead", periph->unit_number);
1855 	TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead);
1856 	softc->write_cache = -1;
1857 	snprintf(announce_buf, ADA_ANNOUNCETMP_SZ,
1858 	    "kern.cam.ada.%d.write_cache", periph->unit_number);
1859 	TUNABLE_INT_FETCH(announce_buf, &softc->write_cache);
1860 
1861 	/*
1862 	 * Let XPT know we can use UMA-allocated CCBs.
1863 	 */
1864 	if (ada_enable_uma_ccbs) {
1865 		KASSERT(ada_ccb_zone != NULL,
1866 		    ("%s: NULL ada_ccb_zone", __func__));
1867 		periph->ccb_zone = ada_ccb_zone;
1868 	}
1869 
1870 	/*
1871 	 * Set support flags based on the Identify data and quirks.
1872 	 */
1873 	adasetflags(softc, cgd);
1874 	if (softc->cpi.hba_misc & PIM_ATA_EXT)
1875 		softc->flags |= ADA_FLAG_PIM_ATA_EXT;
1876 
1877 	/* Disable queue sorting for non-rotational media by default. */
1878 	if (cgd->ident_data.media_rotation_rate == ATA_RATE_NON_ROTATING) {
1879 		softc->flags &= ~ADA_FLAG_ROTATING;
1880 	} else {
1881 		softc->flags |= ADA_FLAG_ROTATING;
1882 	}
1883 	cam_iosched_set_sort_queue(softc->cam_iosched,
1884 	    (softc->flags & ADA_FLAG_ROTATING) ? -1 : 0);
1885 	softc->disk = disk_alloc();
1886 	adasetgeom(softc, cgd);
1887 	softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
1888 			  periph->unit_number, softc->params.secsize,
1889 			  DEVSTAT_ALL_SUPPORTED,
1890 			  DEVSTAT_TYPE_DIRECT |
1891 			  XPORT_DEVSTAT_TYPE(softc->cpi.transport),
1892 			  DEVSTAT_PRIORITY_DISK);
1893 	softc->disk->d_open = adaopen;
1894 	softc->disk->d_close = adaclose;
1895 	softc->disk->d_strategy = adastrategy;
1896 	softc->disk->d_getattr = adagetattr;
1897 	if (cam_sim_pollable(periph->sim))
1898 		softc->disk->d_dump = adadump;
1899 	softc->disk->d_gone = adadiskgonecb;
1900 	softc->disk->d_name = "ada";
1901 	softc->disk->d_drv1 = periph;
1902 	softc->disk->d_unit = periph->unit_number;
1903 	cam_periph_lock(periph);
1904 
1905 	dp = &softc->params;
1906 	snprintf(announce_buf, ADA_ANNOUNCETMP_SZ,
1907 	    "%juMB (%ju %u byte sectors)",
1908 	    ((uintmax_t)dp->secsize * dp->sectors) / (1024 * 1024),
1909 	    (uintmax_t)dp->sectors, dp->secsize);
1910 
1911 	sbuf_new(&sb, softc->announce_buffer, ADA_ANNOUNCE_SZ, SBUF_FIXEDLEN);
1912 	xpt_announce_periph_sbuf(periph, &sb, announce_buf);
1913 	xpt_announce_quirks_sbuf(periph, &sb, softc->quirks, ADA_Q_BIT_STRING);
1914 	sbuf_finish(&sb);
1915 	sbuf_putbuf(&sb);
1916 
1917 	/*
1918 	 * Create our sysctl variables, now that we know
1919 	 * we have successfully attached.
1920 	 */
1921 	if (cam_periph_acquire(periph) == 0)
1922 		taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task);
1923 
1924 	/*
1925 	 * Add async callbacks for bus reset and
1926 	 * bus device reset calls.  I don't bother
1927 	 * checking if this fails as, in most cases,
1928 	 * the system will function just fine without
1929 	 * them and the only alternative would be to
1930 	 * not attach the device on failure.
1931 	 */
1932 	xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
1933 	    AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED,
1934 	    adaasync, periph, periph->path);
1935 
1936 	/*
1937 	 * Schedule a periodic event to occasionally send an
1938 	 * ordered tag to a device.
1939 	 */
1940 	callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
1941 	callout_reset_sbt(&softc->sendordered_c,
1942 	    SBT_1S / ADA_ORDEREDTAG_INTERVAL * ada_default_timeout, 0,
1943 	    adasendorderedtag, softc, C_PREL(1));
1944 
1945 	/* Released after probe when disk_create() call pass it to GEOM. */
1946 	cam_periph_hold_boot(periph);
1947 
1948 	if (ADA_RA >= 0 && softc->flags & ADA_FLAG_CAN_RAHEAD) {
1949 		softc->state = ADA_STATE_RAHEAD;
1950 	} else if (ADA_WC >= 0 && softc->flags & ADA_FLAG_CAN_WCACHE) {
1951 		softc->state = ADA_STATE_WCACHE;
1952 	} else if ((softc->flags & ADA_FLAG_CAN_LOG)
1953 		&& (softc->zone_mode != ADA_ZONE_NONE)) {
1954 		softc->state = ADA_STATE_LOGDIR;
1955 	} else {
1956 		/*
1957 		 * Nothing to probe, so we can just transition to the
1958 		 * normal state.
1959 		 */
1960 		adaprobedone(periph, NULL);
1961 		return(CAM_REQ_CMP);
1962 	}
1963 
1964 	xpt_schedule(periph, CAM_PRIORITY_DEV);
1965 	return(CAM_REQ_CMP);
1966 }
1967 
1968 static int
1969 ada_dsmtrim_req_create(struct ada_softc *softc, struct bio *bp, struct trim_request *req)
1970 {
1971 	uint64_t lastlba = (uint64_t)-1, lbas = 0;
1972 	int c, lastcount = 0, off, ranges = 0;
1973 
1974 	bzero(req, sizeof(*req));
1975 	TAILQ_INIT(&req->bps);
1976 	do {
1977 		uint64_t lba = bp->bio_pblkno;
1978 		int count = bp->bio_bcount / softc->params.secsize;
1979 
1980 		/* Try to extend the previous range. */
1981 		if (lba == lastlba) {
1982 			c = min(count, ATA_DSM_RANGE_MAX - lastcount);
1983 			lastcount += c;
1984 			off = (ranges - 1) * ATA_DSM_RANGE_SIZE;
1985 			req->data[off + 6] = lastcount & 0xff;
1986 			req->data[off + 7] =
1987 				(lastcount >> 8) & 0xff;
1988 			count -= c;
1989 			lba += c;
1990 			lbas += c;
1991 		}
1992 
1993 		while (count > 0) {
1994 			c = min(count, ATA_DSM_RANGE_MAX);
1995 			off = ranges * ATA_DSM_RANGE_SIZE;
1996 			req->data[off + 0] = lba & 0xff;
1997 			req->data[off + 1] = (lba >> 8) & 0xff;
1998 			req->data[off + 2] = (lba >> 16) & 0xff;
1999 			req->data[off + 3] = (lba >> 24) & 0xff;
2000 			req->data[off + 4] = (lba >> 32) & 0xff;
2001 			req->data[off + 5] = (lba >> 40) & 0xff;
2002 			req->data[off + 6] = c & 0xff;
2003 			req->data[off + 7] = (c >> 8) & 0xff;
2004 			lba += c;
2005 			lbas += c;
2006 			count -= c;
2007 			lastcount = c;
2008 			ranges++;
2009 			/*
2010 			 * Its the caller's responsibility to ensure the
2011 			 * request will fit so we don't need to check for
2012 			 * overrun here
2013 			 */
2014 		}
2015 		lastlba = lba;
2016 		TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue);
2017 
2018 		bp = cam_iosched_next_trim(softc->cam_iosched);
2019 		if (bp == NULL)
2020 			break;
2021 		if (bp->bio_bcount / softc->params.secsize >
2022 		    (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) {
2023 			cam_iosched_put_back_trim(softc->cam_iosched, bp);
2024 			break;
2025 		}
2026 	} while (1);
2027 	softc->trim_count++;
2028 	softc->trim_ranges += ranges;
2029 	softc->trim_lbas += lbas;
2030 
2031 	return (ranges);
2032 }
2033 
2034 static void
2035 ada_dsmtrim(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio)
2036 {
2037 	struct trim_request *req = &softc->trim_req;
2038 	int ranges;
2039 
2040 	ranges = ada_dsmtrim_req_create(softc, bp, req);
2041 	cam_fill_ataio(ataio,
2042 	    ada_retry_count,
2043 	    adadone,
2044 	    CAM_DIR_OUT,
2045 	    0,
2046 	    req->data,
2047 	    howmany(ranges, ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE,
2048 	    ada_default_timeout * 1000);
2049 	ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT,
2050 	    ATA_DSM_TRIM, 0, howmany(ranges, ATA_DSM_BLK_RANGES));
2051 }
2052 
2053 static void
2054 ada_ncq_dsmtrim(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio)
2055 {
2056 	struct trim_request *req = &softc->trim_req;
2057 	int ranges;
2058 
2059 	ranges = ada_dsmtrim_req_create(softc, bp, req);
2060 	cam_fill_ataio(ataio,
2061 	    ada_retry_count,
2062 	    adadone,
2063 	    CAM_DIR_OUT,
2064 	    0,
2065 	    req->data,
2066 	    howmany(ranges, ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE,
2067 	    ada_default_timeout * 1000);
2068 	ata_ncq_cmd(ataio,
2069 	    ATA_SEND_FPDMA_QUEUED,
2070 	    0,
2071 	    howmany(ranges, ATA_DSM_BLK_RANGES));
2072 	ataio->cmd.sector_count_exp = ATA_SFPDMA_DSM;
2073 	ataio->ata_flags |= ATA_FLAG_AUX;
2074 	ataio->aux = 1;
2075 }
2076 
2077 static void
2078 ada_cfaerase(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio)
2079 {
2080 	struct trim_request *req = &softc->trim_req;
2081 	uint64_t lba = bp->bio_pblkno;
2082 	uint16_t count = bp->bio_bcount / softc->params.secsize;
2083 
2084 	bzero(req, sizeof(*req));
2085 	TAILQ_INIT(&req->bps);
2086 	TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue);
2087 
2088 	cam_fill_ataio(ataio,
2089 	    ada_retry_count,
2090 	    adadone,
2091 	    CAM_DIR_NONE,
2092 	    0,
2093 	    NULL,
2094 	    0,
2095 	    ada_default_timeout*1000);
2096 
2097 	if (count >= 256)
2098 		count = 0;
2099 	ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count);
2100 }
2101 
2102 static int
2103 ada_zone_bio_to_ata(int disk_zone_cmd)
2104 {
2105 	switch (disk_zone_cmd) {
2106 	case DISK_ZONE_OPEN:
2107 		return ATA_ZM_OPEN_ZONE;
2108 	case DISK_ZONE_CLOSE:
2109 		return ATA_ZM_CLOSE_ZONE;
2110 	case DISK_ZONE_FINISH:
2111 		return ATA_ZM_FINISH_ZONE;
2112 	case DISK_ZONE_RWP:
2113 		return ATA_ZM_RWP;
2114 	}
2115 
2116 	return -1;
2117 }
2118 
2119 static int
2120 ada_zone_cmd(struct cam_periph *periph, union ccb *ccb, struct bio *bp,
2121 	     int *queue_ccb)
2122 {
2123 	struct ada_softc *softc;
2124 	int error;
2125 
2126 	error = 0;
2127 
2128 	if (bp->bio_cmd != BIO_ZONE) {
2129 		error = EINVAL;
2130 		goto bailout;
2131 	}
2132 
2133 	softc = periph->softc;
2134 
2135 	switch (bp->bio_zone.zone_cmd) {
2136 	case DISK_ZONE_OPEN:
2137 	case DISK_ZONE_CLOSE:
2138 	case DISK_ZONE_FINISH:
2139 	case DISK_ZONE_RWP: {
2140 		int zone_flags;
2141 		int zone_sa;
2142 		uint64_t lba;
2143 
2144 		zone_sa = ada_zone_bio_to_ata(bp->bio_zone.zone_cmd);
2145 		if (zone_sa == -1) {
2146 			xpt_print(periph->path, "Cannot translate zone "
2147 			    "cmd %#x to ATA\n", bp->bio_zone.zone_cmd);
2148 			error = EINVAL;
2149 			goto bailout;
2150 		}
2151 
2152 		zone_flags = 0;
2153 		lba = bp->bio_zone.zone_params.rwp.id;
2154 
2155 		if (bp->bio_zone.zone_params.rwp.flags &
2156 		    DISK_ZONE_RWP_FLAG_ALL)
2157 			zone_flags |= ZBC_OUT_ALL;
2158 
2159 		ata_zac_mgmt_out(&ccb->ataio,
2160 				 /*retries*/ ada_retry_count,
2161 				 /*cbfcnp*/ adadone,
2162 				 /*use_ncq*/ (softc->flags &
2163 					      ADA_FLAG_PIM_ATA_EXT) ? 1 : 0,
2164 				 /*zm_action*/ zone_sa,
2165 				 /*zone_id*/ lba,
2166 				 /*zone_flags*/ zone_flags,
2167 				 /*sector_count*/ 0,
2168 				 /*data_ptr*/ NULL,
2169 				 /*dxfer_len*/ 0,
2170 				 /*timeout*/ ada_default_timeout * 1000);
2171 		*queue_ccb = 1;
2172 
2173 		break;
2174 	}
2175 	case DISK_ZONE_REPORT_ZONES: {
2176 		uint8_t *rz_ptr;
2177 		uint32_t num_entries, alloc_size;
2178 		struct disk_zone_report *rep;
2179 
2180 		rep = &bp->bio_zone.zone_params.report;
2181 
2182 		num_entries = rep->entries_allocated;
2183 		if (num_entries == 0) {
2184 			xpt_print(periph->path, "No entries allocated for "
2185 			    "Report Zones request\n");
2186 			error = EINVAL;
2187 			goto bailout;
2188 		}
2189 		alloc_size = sizeof(struct scsi_report_zones_hdr) +
2190 		    (sizeof(struct scsi_report_zones_desc) * num_entries);
2191 		alloc_size = min(alloc_size, softc->disk->d_maxsize);
2192 		rz_ptr = malloc(alloc_size, M_ATADA, M_NOWAIT | M_ZERO);
2193 		if (rz_ptr == NULL) {
2194 			xpt_print(periph->path, "Unable to allocate memory "
2195 			   "for Report Zones request\n");
2196 			error = ENOMEM;
2197 			goto bailout;
2198 		}
2199 
2200 		ata_zac_mgmt_in(&ccb->ataio,
2201 				/*retries*/ ada_retry_count,
2202 				/*cbcfnp*/ adadone,
2203 				/*use_ncq*/ (softc->flags &
2204 					     ADA_FLAG_PIM_ATA_EXT) ? 1 : 0,
2205 				/*zm_action*/ ATA_ZM_REPORT_ZONES,
2206 				/*zone_id*/ rep->starting_id,
2207 				/*zone_flags*/ rep->rep_options,
2208 				/*data_ptr*/ rz_ptr,
2209 				/*dxfer_len*/ alloc_size,
2210 				/*timeout*/ ada_default_timeout * 1000);
2211 
2212 		/*
2213 		 * For BIO_ZONE, this isn't normally needed.  However, it
2214 		 * is used by devstat_end_transaction_bio() to determine
2215 		 * how much data was transferred.
2216 		 */
2217 		/*
2218 		 * XXX KDM we have a problem.  But I'm not sure how to fix
2219 		 * it.  devstat uses bio_bcount - bio_resid to calculate
2220 		 * the amount of data transferred.   The GEOM disk code
2221 		 * uses bio_length - bio_resid to calculate the amount of
2222 		 * data in bio_completed.  We have different structure
2223 		 * sizes above and below the ada(4) driver.  So, if we
2224 		 * use the sizes above, the amount transferred won't be
2225 		 * quite accurate for devstat.  If we use different sizes
2226 		 * for bio_bcount and bio_length (above and below
2227 		 * respectively), then the residual needs to match one or
2228 		 * the other.  Everything is calculated after the bio
2229 		 * leaves the driver, so changing the values around isn't
2230 		 * really an option.  For now, just set the count to the
2231 		 * passed in length.  This means that the calculations
2232 		 * above (e.g. bio_completed) will be correct, but the
2233 		 * amount of data reported to devstat will be slightly
2234 		 * under or overstated.
2235 		 */
2236 		bp->bio_bcount = bp->bio_length;
2237 
2238 		*queue_ccb = 1;
2239 
2240 		break;
2241 	}
2242 	case DISK_ZONE_GET_PARAMS: {
2243 		struct disk_zone_disk_params *params;
2244 
2245 		params = &bp->bio_zone.zone_params.disk_params;
2246 		bzero(params, sizeof(*params));
2247 
2248 		switch (softc->zone_mode) {
2249 		case ADA_ZONE_DRIVE_MANAGED:
2250 			params->zone_mode = DISK_ZONE_MODE_DRIVE_MANAGED;
2251 			break;
2252 		case ADA_ZONE_HOST_AWARE:
2253 			params->zone_mode = DISK_ZONE_MODE_HOST_AWARE;
2254 			break;
2255 		case ADA_ZONE_HOST_MANAGED:
2256 			params->zone_mode = DISK_ZONE_MODE_HOST_MANAGED;
2257 			break;
2258 		default:
2259 		case ADA_ZONE_NONE:
2260 			params->zone_mode = DISK_ZONE_MODE_NONE;
2261 			break;
2262 		}
2263 
2264 		if (softc->zone_flags & ADA_ZONE_FLAG_URSWRZ)
2265 			params->flags |= DISK_ZONE_DISK_URSWRZ;
2266 
2267 		if (softc->zone_flags & ADA_ZONE_FLAG_OPT_SEQ_SET) {
2268 			params->optimal_seq_zones = softc->optimal_seq_zones;
2269 			params->flags |= DISK_ZONE_OPT_SEQ_SET;
2270 		}
2271 
2272 		if (softc->zone_flags & ADA_ZONE_FLAG_OPT_NONSEQ_SET) {
2273 			params->optimal_nonseq_zones =
2274 			    softc->optimal_nonseq_zones;
2275 			params->flags |= DISK_ZONE_OPT_NONSEQ_SET;
2276 		}
2277 
2278 		if (softc->zone_flags & ADA_ZONE_FLAG_MAX_SEQ_SET) {
2279 			params->max_seq_zones = softc->max_seq_zones;
2280 			params->flags |= DISK_ZONE_MAX_SEQ_SET;
2281 		}
2282 		if (softc->zone_flags & ADA_ZONE_FLAG_RZ_SUP)
2283 			params->flags |= DISK_ZONE_RZ_SUP;
2284 
2285 		if (softc->zone_flags & ADA_ZONE_FLAG_OPEN_SUP)
2286 			params->flags |= DISK_ZONE_OPEN_SUP;
2287 
2288 		if (softc->zone_flags & ADA_ZONE_FLAG_CLOSE_SUP)
2289 			params->flags |= DISK_ZONE_CLOSE_SUP;
2290 
2291 		if (softc->zone_flags & ADA_ZONE_FLAG_FINISH_SUP)
2292 			params->flags |= DISK_ZONE_FINISH_SUP;
2293 
2294 		if (softc->zone_flags & ADA_ZONE_FLAG_RWP_SUP)
2295 			params->flags |= DISK_ZONE_RWP_SUP;
2296 		break;
2297 	}
2298 	default:
2299 		break;
2300 	}
2301 bailout:
2302 	return (error);
2303 }
2304 
2305 static void
2306 adastart(struct cam_periph *periph, union ccb *start_ccb)
2307 {
2308 	struct ada_softc *softc = (struct ada_softc *)periph->softc;
2309 	struct ccb_ataio *ataio = &start_ccb->ataio;
2310 
2311 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n"));
2312 
2313 	switch (softc->state) {
2314 	case ADA_STATE_NORMAL:
2315 	{
2316 		struct bio *bp;
2317 		uint8_t tag_code;
2318 
2319 		bp = cam_iosched_next_bio(softc->cam_iosched);
2320 		if (bp == NULL) {
2321 			xpt_release_ccb(start_ccb);
2322 			break;
2323 		}
2324 
2325 		if ((bp->bio_flags & BIO_ORDERED) != 0 ||
2326 		    (bp->bio_cmd != BIO_DELETE && (softc->flags & ADA_FLAG_NEED_OTAG) != 0)) {
2327 			softc->flags &= ~ADA_FLAG_NEED_OTAG;
2328 			softc->flags |= ADA_FLAG_WAS_OTAG;
2329 			tag_code = 0;
2330 		} else {
2331 			tag_code = 1;
2332 		}
2333 		switch (bp->bio_cmd) {
2334 		case BIO_WRITE:
2335 		case BIO_READ:
2336 		{
2337 			uint64_t lba = bp->bio_pblkno;
2338 			uint16_t count = bp->bio_bcount / softc->params.secsize;
2339 			void *data_ptr;
2340 			int rw_op;
2341 
2342 			if (bp->bio_cmd == BIO_WRITE) {
2343 				softc->flags |= ADA_FLAG_DIRTY;
2344 				rw_op = CAM_DIR_OUT;
2345 			} else {
2346 				rw_op = CAM_DIR_IN;
2347 			}
2348 
2349 			data_ptr = bp->bio_data;
2350 			if ((bp->bio_flags & (BIO_UNMAPPED|BIO_VLIST)) != 0) {
2351 				rw_op |= CAM_DATA_BIO;
2352 				data_ptr = bp;
2353 			}
2354 
2355 #ifdef CAM_TEST_FAILURE
2356 			int fail = 0;
2357 
2358 			/*
2359 			 * Support the failure ioctls.  If the command is a
2360 			 * read, and there are pending forced read errors, or
2361 			 * if a write and pending write errors, then fail this
2362 			 * operation with EIO.  This is useful for testing
2363 			 * purposes.  Also, support having every Nth read fail.
2364 			 *
2365 			 * This is a rather blunt tool.
2366 			 */
2367 			if (bp->bio_cmd == BIO_READ) {
2368 				if (softc->force_read_error) {
2369 					softc->force_read_error--;
2370 					fail = 1;
2371 				}
2372 				if (softc->periodic_read_error > 0) {
2373 					if (++softc->periodic_read_count >=
2374 					    softc->periodic_read_error) {
2375 						softc->periodic_read_count = 0;
2376 						fail = 1;
2377 					}
2378 				}
2379 			} else {
2380 				if (softc->force_write_error) {
2381 					softc->force_write_error--;
2382 					fail = 1;
2383 				}
2384 			}
2385 			if (fail) {
2386 				biofinish(bp, NULL, EIO);
2387 				xpt_release_ccb(start_ccb);
2388 				adaschedule(periph);
2389 				return;
2390 			}
2391 #endif
2392 			KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 ||
2393 			    round_page(bp->bio_bcount + bp->bio_ma_offset) /
2394 			    PAGE_SIZE == bp->bio_ma_n,
2395 			    ("Short bio %p", bp));
2396 			cam_fill_ataio(ataio,
2397 			    ada_retry_count,
2398 			    adadone,
2399 			    rw_op,
2400 			    0,
2401 			    data_ptr,
2402 			    bp->bio_bcount,
2403 			    ada_default_timeout*1000);
2404 
2405 			if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) {
2406 				if (bp->bio_cmd == BIO_READ) {
2407 					ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED,
2408 					    lba, count);
2409 				} else {
2410 					ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED,
2411 					    lba, count);
2412 				}
2413 			} else if ((softc->flags & ADA_FLAG_CAN_48BIT) &&
2414 			    (lba + count >= ATA_MAX_28BIT_LBA ||
2415 			    count > 256)) {
2416 				if (softc->flags & ADA_FLAG_CAN_DMA48) {
2417 					if (bp->bio_cmd == BIO_READ) {
2418 						ata_48bit_cmd(ataio, ATA_READ_DMA48,
2419 						    0, lba, count);
2420 					} else {
2421 						ata_48bit_cmd(ataio, ATA_WRITE_DMA48,
2422 						    0, lba, count);
2423 					}
2424 				} else {
2425 					if (bp->bio_cmd == BIO_READ) {
2426 						ata_48bit_cmd(ataio, ATA_READ_MUL48,
2427 						    0, lba, count);
2428 					} else {
2429 						ata_48bit_cmd(ataio, ATA_WRITE_MUL48,
2430 						    0, lba, count);
2431 					}
2432 				}
2433 			} else {
2434 				if (count == 256)
2435 					count = 0;
2436 				if (softc->flags & ADA_FLAG_CAN_DMA) {
2437 					if (bp->bio_cmd == BIO_READ) {
2438 						ata_28bit_cmd(ataio, ATA_READ_DMA,
2439 						    0, lba, count);
2440 					} else {
2441 						ata_28bit_cmd(ataio, ATA_WRITE_DMA,
2442 						    0, lba, count);
2443 					}
2444 				} else {
2445 					if (bp->bio_cmd == BIO_READ) {
2446 						ata_28bit_cmd(ataio, ATA_READ_MUL,
2447 						    0, lba, count);
2448 					} else {
2449 						ata_28bit_cmd(ataio, ATA_WRITE_MUL,
2450 						    0, lba, count);
2451 					}
2452 				}
2453 			}
2454 			break;
2455 		}
2456 		case BIO_DELETE:
2457 			switch (softc->delete_method) {
2458 			case ADA_DELETE_NCQ_DSM_TRIM:
2459 				ada_ncq_dsmtrim(softc, bp, ataio);
2460 				break;
2461 			case ADA_DELETE_DSM_TRIM:
2462 				ada_dsmtrim(softc, bp, ataio);
2463 				break;
2464 			case ADA_DELETE_CFA_ERASE:
2465 				ada_cfaerase(softc, bp, ataio);
2466 				break;
2467 			default:
2468 				biofinish(bp, NULL, EOPNOTSUPP);
2469 				xpt_release_ccb(start_ccb);
2470 				adaschedule(periph);
2471 				return;
2472 			}
2473 			start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM;
2474 			start_ccb->ccb_h.flags |= CAM_UNLOCKED;
2475 			cam_iosched_submit_trim(softc->cam_iosched);
2476 			goto out;
2477 		case BIO_FLUSH:
2478 			cam_fill_ataio(ataio,
2479 			    1,
2480 			    adadone,
2481 			    CAM_DIR_NONE,
2482 			    0,
2483 			    NULL,
2484 			    0,
2485 			    ada_default_timeout*1000);
2486 
2487 			if (softc->flags & ADA_FLAG_CAN_48BIT)
2488 				ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0);
2489 			else
2490 				ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0);
2491 			break;
2492 		case BIO_ZONE: {
2493 			int error, queue_ccb;
2494 
2495 			queue_ccb = 0;
2496 
2497 			error = ada_zone_cmd(periph, start_ccb, bp, &queue_ccb);
2498 			if ((error != 0)
2499 			 || (queue_ccb == 0)) {
2500 				biofinish(bp, NULL, error);
2501 				xpt_release_ccb(start_ccb);
2502 				return;
2503 			}
2504 			break;
2505 		}
2506 		default:
2507 			biofinish(bp, NULL, EOPNOTSUPP);
2508 			xpt_release_ccb(start_ccb);
2509 			return;
2510 		}
2511 		start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO;
2512 		start_ccb->ccb_h.flags |= CAM_UNLOCKED;
2513 out:
2514 		start_ccb->ccb_h.ccb_bp = bp;
2515 		softc->outstanding_cmds++;
2516 		softc->refcount++;
2517 		cam_periph_unlock(periph);
2518 		xpt_action(start_ccb);
2519 		cam_periph_lock(periph);
2520 
2521 		/* May have more work to do, so ensure we stay scheduled */
2522 		adaschedule(periph);
2523 		break;
2524 	}
2525 	case ADA_STATE_RAHEAD:
2526 	case ADA_STATE_WCACHE:
2527 	{
2528 		cam_fill_ataio(ataio,
2529 		    1,
2530 		    adadone,
2531 		    CAM_DIR_NONE,
2532 		    0,
2533 		    NULL,
2534 		    0,
2535 		    ada_default_timeout*1000);
2536 
2537 		if (softc->state == ADA_STATE_RAHEAD) {
2538 			ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ?
2539 			    ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0);
2540 			start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD;
2541 		} else {
2542 			ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ?
2543 			    ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0);
2544 			start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE;
2545 		}
2546 		start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE;
2547 		xpt_action(start_ccb);
2548 		break;
2549 	}
2550 	case ADA_STATE_LOGDIR:
2551 	{
2552 		struct ata_gp_log_dir *log_dir;
2553 
2554 		if ((softc->flags & ADA_FLAG_CAN_LOG) == 0) {
2555 			adaprobedone(periph, start_ccb);
2556 			break;
2557 		}
2558 
2559 		log_dir = malloc(sizeof(*log_dir), M_ATADA, M_NOWAIT|M_ZERO);
2560 		if (log_dir == NULL) {
2561 			xpt_print(periph->path, "Couldn't malloc log_dir "
2562 			    "data\n");
2563 			softc->state = ADA_STATE_NORMAL;
2564 			xpt_release_ccb(start_ccb);
2565 			break;
2566 		}
2567 
2568 		ata_read_log(ataio,
2569 		    /*retries*/1,
2570 		    /*cbfcnp*/adadone,
2571 		    /*log_address*/ ATA_LOG_DIRECTORY,
2572 		    /*page_number*/ 0,
2573 		    /*block_count*/ 1,
2574 		    /*protocol*/ softc->flags & ADA_FLAG_CAN_DMA ?
2575 				 CAM_ATAIO_DMA : 0,
2576 		    /*data_ptr*/ (uint8_t *)log_dir,
2577 		    /*dxfer_len*/sizeof(*log_dir),
2578 		    /*timeout*/ada_default_timeout*1000);
2579 
2580 		start_ccb->ccb_h.ccb_state = ADA_CCB_LOGDIR;
2581 		xpt_action(start_ccb);
2582 		break;
2583 	}
2584 	case ADA_STATE_IDDIR:
2585 	{
2586 		struct ata_identify_log_pages *id_dir;
2587 
2588 		id_dir = malloc(sizeof(*id_dir), M_ATADA, M_NOWAIT | M_ZERO);
2589 		if (id_dir == NULL) {
2590 			xpt_print(periph->path, "Couldn't malloc id_dir "
2591 			    "data\n");
2592 			adaprobedone(periph, start_ccb);
2593 			break;
2594 		}
2595 
2596 		ata_read_log(ataio,
2597 		    /*retries*/1,
2598 		    /*cbfcnp*/adadone,
2599 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
2600 		    /*page_number*/ ATA_IDL_PAGE_LIST,
2601 		    /*block_count*/ 1,
2602 		    /*protocol*/ softc->flags & ADA_FLAG_CAN_DMA ?
2603 				 CAM_ATAIO_DMA : 0,
2604 		    /*data_ptr*/ (uint8_t *)id_dir,
2605 		    /*dxfer_len*/ sizeof(*id_dir),
2606 		    /*timeout*/ada_default_timeout*1000);
2607 
2608 		start_ccb->ccb_h.ccb_state = ADA_CCB_IDDIR;
2609 		xpt_action(start_ccb);
2610 		break;
2611 	}
2612 	case ADA_STATE_SUP_CAP:
2613 	{
2614 		struct ata_identify_log_sup_cap *sup_cap;
2615 
2616 		sup_cap = malloc(sizeof(*sup_cap), M_ATADA, M_NOWAIT|M_ZERO);
2617 		if (sup_cap == NULL) {
2618 			xpt_print(periph->path, "Couldn't malloc sup_cap "
2619 			    "data\n");
2620 			adaprobedone(periph, start_ccb);
2621 			break;
2622 		}
2623 
2624 		ata_read_log(ataio,
2625 		    /*retries*/1,
2626 		    /*cbfcnp*/adadone,
2627 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
2628 		    /*page_number*/ ATA_IDL_SUP_CAP,
2629 		    /*block_count*/ 1,
2630 		    /*protocol*/ softc->flags & ADA_FLAG_CAN_DMA ?
2631 				 CAM_ATAIO_DMA : 0,
2632 		    /*data_ptr*/ (uint8_t *)sup_cap,
2633 		    /*dxfer_len*/ sizeof(*sup_cap),
2634 		    /*timeout*/ada_default_timeout*1000);
2635 
2636 		start_ccb->ccb_h.ccb_state = ADA_CCB_SUP_CAP;
2637 		xpt_action(start_ccb);
2638 		break;
2639 	}
2640 	case ADA_STATE_ZONE:
2641 	{
2642 		struct ata_zoned_info_log *ata_zone;
2643 
2644 		ata_zone = malloc(sizeof(*ata_zone), M_ATADA, M_NOWAIT|M_ZERO);
2645 		if (ata_zone == NULL) {
2646 			xpt_print(periph->path, "Couldn't malloc ata_zone "
2647 			    "data\n");
2648 			adaprobedone(periph, start_ccb);
2649 			break;
2650 		}
2651 
2652 		ata_read_log(ataio,
2653 		    /*retries*/1,
2654 		    /*cbfcnp*/adadone,
2655 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
2656 		    /*page_number*/ ATA_IDL_ZDI,
2657 		    /*block_count*/ 1,
2658 		    /*protocol*/ softc->flags & ADA_FLAG_CAN_DMA ?
2659 				 CAM_ATAIO_DMA : 0,
2660 		    /*data_ptr*/ (uint8_t *)ata_zone,
2661 		    /*dxfer_len*/ sizeof(*ata_zone),
2662 		    /*timeout*/ada_default_timeout*1000);
2663 
2664 		start_ccb->ccb_h.ccb_state = ADA_CCB_ZONE;
2665 		xpt_action(start_ccb);
2666 		break;
2667 	}
2668 	}
2669 }
2670 
2671 static void
2672 adaprobedone(struct cam_periph *periph, union ccb *ccb)
2673 {
2674 	struct ada_softc *softc;
2675 
2676 	softc = (struct ada_softc *)periph->softc;
2677 
2678 	/*
2679 	 * Since our peripheral may be invalidated by an error we must release
2680 	 * our CCB before releasing the reference on the peripheral.  The
2681 	 * peripheral will only go away once the last reference is removed, and
2682 	 * we need it around for the CCB release operation.
2683 	 */
2684 	if (ccb != NULL)
2685 		xpt_release_ccb(ccb);
2686 
2687 	softc->state = ADA_STATE_NORMAL;
2688 	softc->flags |= ADA_FLAG_PROBED;
2689 	adaschedule(periph);
2690 	if ((softc->flags & ADA_FLAG_ANNOUNCED) == 0) {
2691 		softc->flags |= ADA_FLAG_ANNOUNCED;
2692 
2693 		/*
2694 		 * We'll release this reference once GEOM calls us back via
2695 		 * adadiskgonecb(), telling us that our provider has been freed.
2696 		 */
2697 		if (cam_periph_acquire(periph) == 0)
2698 			disk_create(softc->disk, DISK_VERSION);
2699 
2700 		cam_periph_release_boot(periph);
2701 	}
2702 	cam_periph_release_locked(periph);
2703 }
2704 
2705 static void
2706 adazonedone(struct cam_periph *periph, union ccb *ccb)
2707 {
2708 	struct bio *bp;
2709 
2710 	bp = (struct bio *)ccb->ccb_h.ccb_bp;
2711 
2712 	switch (bp->bio_zone.zone_cmd) {
2713 	case DISK_ZONE_OPEN:
2714 	case DISK_ZONE_CLOSE:
2715 	case DISK_ZONE_FINISH:
2716 	case DISK_ZONE_RWP:
2717 		break;
2718 	case DISK_ZONE_REPORT_ZONES: {
2719 		uint32_t avail_len;
2720 		struct disk_zone_report *rep;
2721 		struct scsi_report_zones_hdr *hdr;
2722 		struct scsi_report_zones_desc *desc;
2723 		struct disk_zone_rep_entry *entry;
2724 		uint32_t hdr_len, num_avail;
2725 		uint32_t num_to_fill, i;
2726 
2727 		rep = &bp->bio_zone.zone_params.report;
2728 		avail_len = ccb->ataio.dxfer_len - ccb->ataio.resid;
2729 		/*
2730 		 * Note that bio_resid isn't normally used for zone
2731 		 * commands, but it is used by devstat_end_transaction_bio()
2732 		 * to determine how much data was transferred.  Because
2733 		 * the size of the SCSI/ATA data structures is different
2734 		 * than the size of the BIO interface structures, the
2735 		 * amount of data actually transferred from the drive will
2736 		 * be different than the amount of data transferred to
2737 		 * the user.
2738 		 */
2739 		hdr = (struct scsi_report_zones_hdr *)ccb->ataio.data_ptr;
2740 		if (avail_len < sizeof(*hdr)) {
2741 			/*
2742 			 * Is there a better error than EIO here?  We asked
2743 			 * for at least the header, and we got less than
2744 			 * that.
2745 			 */
2746 			bp->bio_error = EIO;
2747 			bp->bio_flags |= BIO_ERROR;
2748 			bp->bio_resid = bp->bio_bcount;
2749 			break;
2750 		}
2751 
2752 		hdr_len = le32dec(hdr->length);
2753 		if (hdr_len > 0)
2754 			rep->entries_available = hdr_len / sizeof(*desc);
2755 		else
2756 			rep->entries_available = 0;
2757 		/*
2758 		 * NOTE: using the same values for the BIO version of the
2759 		 * same field as the SCSI/ATA values.  This means we could
2760 		 * get some additional values that aren't defined in bio.h
2761 		 * if more values of the same field are defined later.
2762 		 */
2763 		rep->header.same = hdr->byte4 & SRZ_SAME_MASK;
2764 		rep->header.maximum_lba = le64dec(hdr->maximum_lba);
2765 		/*
2766 		 * If the drive reports no entries that match the query,
2767 		 * we're done.
2768 		 */
2769 		if (hdr_len == 0) {
2770 			rep->entries_filled = 0;
2771 			bp->bio_resid = bp->bio_bcount;
2772 			break;
2773 		}
2774 
2775 		num_avail = min((avail_len - sizeof(*hdr)) / sizeof(*desc),
2776 				hdr_len / sizeof(*desc));
2777 		/*
2778 		 * If the drive didn't return any data, then we're done.
2779 		 */
2780 		if (num_avail == 0) {
2781 			rep->entries_filled = 0;
2782 			bp->bio_resid = bp->bio_bcount;
2783 			break;
2784 		}
2785 
2786 		num_to_fill = min(num_avail, rep->entries_allocated);
2787 		/*
2788 		 * If the user didn't allocate any entries for us to fill,
2789 		 * we're done.
2790 		 */
2791 		if (num_to_fill == 0) {
2792 			rep->entries_filled = 0;
2793 			bp->bio_resid = bp->bio_bcount;
2794 			break;
2795 		}
2796 
2797 		for (i = 0, desc = &hdr->desc_list[0], entry=&rep->entries[0];
2798 		     i < num_to_fill; i++, desc++, entry++) {
2799 			/*
2800 			 * NOTE: we're mapping the values here directly
2801 			 * from the SCSI/ATA bit definitions to the bio.h
2802 			 * definitions.  There is also a warning in
2803 			 * disk_zone.h, but the impact is that if
2804 			 * additional values are added in the SCSI/ATA
2805 			 * specs these will be visible to consumers of
2806 			 * this interface.
2807 			 */
2808 			entry->zone_type = desc->zone_type & SRZ_TYPE_MASK;
2809 			entry->zone_condition =
2810 			    (desc->zone_flags & SRZ_ZONE_COND_MASK) >>
2811 			    SRZ_ZONE_COND_SHIFT;
2812 			entry->zone_flags |= desc->zone_flags &
2813 			    (SRZ_ZONE_NON_SEQ|SRZ_ZONE_RESET);
2814 			entry->zone_length = le64dec(desc->zone_length);
2815 			entry->zone_start_lba = le64dec(desc->zone_start_lba);
2816 			entry->write_pointer_lba =
2817 			    le64dec(desc->write_pointer_lba);
2818 		}
2819 		rep->entries_filled = num_to_fill;
2820 		/*
2821 		 * Note that this residual is accurate from the user's
2822 		 * standpoint, but the amount transferred isn't accurate
2823 		 * from the standpoint of what actually came back from the
2824 		 * drive.
2825 		 */
2826 		bp->bio_resid = bp->bio_bcount - (num_to_fill * sizeof(*entry));
2827 		break;
2828 	}
2829 	case DISK_ZONE_GET_PARAMS:
2830 	default:
2831 		/*
2832 		 * In theory we should not get a GET_PARAMS bio, since it
2833 		 * should be handled without queueing the command to the
2834 		 * drive.
2835 		 */
2836 		panic("%s: Invalid zone command %d", __func__,
2837 		    bp->bio_zone.zone_cmd);
2838 		break;
2839 	}
2840 
2841 	if (bp->bio_zone.zone_cmd == DISK_ZONE_REPORT_ZONES)
2842 		free(ccb->ataio.data_ptr, M_ATADA);
2843 }
2844 
2845 static void
2846 adadone(struct cam_periph *periph, union ccb *done_ccb)
2847 {
2848 	struct ada_softc *softc;
2849 	struct ccb_ataio *ataio;
2850 	struct cam_path *path;
2851 	uint32_t priority;
2852 	int state;
2853 
2854 	softc = (struct ada_softc *)periph->softc;
2855 	ataio = &done_ccb->ataio;
2856 	path = done_ccb->ccb_h.path;
2857 	priority = done_ccb->ccb_h.pinfo.priority;
2858 
2859 	CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n"));
2860 
2861 	state = ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK;
2862 	switch (state) {
2863 	case ADA_CCB_BUFFER_IO:
2864 	case ADA_CCB_TRIM:
2865 	{
2866 		struct bio *bp;
2867 		int error;
2868 
2869 		cam_periph_lock(periph);
2870 		bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2871 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2872 			error = adaerror(done_ccb, CAM_RETRY_SELTO, 0);
2873 			if (error == ERESTART) {
2874 				/* A retry was scheduled, so just return. */
2875 				cam_periph_unlock(periph);
2876 				return;
2877 			}
2878 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
2879 				cam_release_devq(path,
2880 						 /*relsim_flags*/0,
2881 						 /*reduction*/0,
2882 						 /*timeout*/0,
2883 						 /*getcount_only*/0);
2884 			/*
2885 			 * If we get an error on an NCQ DSM TRIM, fall back
2886 			 * to a non-NCQ DSM TRIM forever. Please note that if
2887 			 * CAN_NCQ_TRIM is set, CAN_TRIM is necessarily set too.
2888 			 * However, for this one trim, we treat it as advisory
2889 			 * and return success up the stack.
2890 			 */
2891 			if (state == ADA_CCB_TRIM &&
2892 			    error != 0 &&
2893 			    (softc->flags & ADA_FLAG_CAN_NCQ_TRIM) != 0) {
2894 				softc->flags &= ~ADA_FLAG_CAN_NCQ_TRIM;
2895 				error = 0;
2896 				adasetdeletemethod(softc);
2897 			}
2898 		} else {
2899 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
2900 				panic("REQ_CMP with QFRZN");
2901 
2902 			error = 0;
2903 		}
2904 		bp->bio_error = error;
2905 		if (error != 0) {
2906 			bp->bio_resid = bp->bio_bcount;
2907 			bp->bio_flags |= BIO_ERROR;
2908 		} else {
2909 			if (bp->bio_cmd == BIO_ZONE)
2910 				adazonedone(periph, done_ccb);
2911 			else if (state == ADA_CCB_TRIM)
2912 				bp->bio_resid = 0;
2913 			else
2914 				bp->bio_resid = ataio->resid;
2915 
2916 			if ((bp->bio_resid > 0)
2917 			 && (bp->bio_cmd != BIO_ZONE))
2918 				bp->bio_flags |= BIO_ERROR;
2919 		}
2920 		softc->outstanding_cmds--;
2921 		if (softc->outstanding_cmds == 0)
2922 			softc->flags |= ADA_FLAG_WAS_OTAG;
2923 
2924 		/*
2925 		 * We need to call cam_iosched before we call biodone so that we
2926 		 * don't measure any activity that happens in the completion
2927 		 * routine, which in the case of sendfile can be quite
2928 		 * extensive.  Release the periph refcount taken in adastart()
2929 		 * for each CCB.
2930 		 */
2931 		cam_iosched_bio_complete(softc->cam_iosched, bp, done_ccb);
2932 		xpt_release_ccb(done_ccb);
2933 		KASSERT(softc->refcount >= 1, ("adadone softc %p refcount %d", softc, softc->refcount));
2934 		softc->refcount--;
2935 		if (state == ADA_CCB_TRIM) {
2936 			TAILQ_HEAD(, bio) queue;
2937 			struct bio *bp1;
2938 
2939 			TAILQ_INIT(&queue);
2940 			TAILQ_CONCAT(&queue, &softc->trim_req.bps, bio_queue);
2941 			/*
2942 			 * Normally, the xpt_release_ccb() above would make sure
2943 			 * that when we have more work to do, that work would
2944 			 * get kicked off. However, we specifically keep
2945 			 * trim_running set to 0 before the call above to allow
2946 			 * other I/O to progress when many BIO_DELETE requests
2947 			 * are pushed down. We set trim_running to 0 and call
2948 			 * daschedule again so that we don't stall if there are
2949 			 * no other I/Os pending apart from BIO_DELETEs.
2950 			 */
2951 			cam_iosched_trim_done(softc->cam_iosched);
2952 			adaschedule(periph);
2953 			cam_periph_unlock(periph);
2954 			while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
2955 				TAILQ_REMOVE(&queue, bp1, bio_queue);
2956 				bp1->bio_error = error;
2957 				if (error != 0) {
2958 					bp1->bio_flags |= BIO_ERROR;
2959 					bp1->bio_resid = bp1->bio_bcount;
2960 				} else
2961 					bp1->bio_resid = 0;
2962 				biodone(bp1);
2963 			}
2964 		} else {
2965 			adaschedule(periph);
2966 			cam_periph_unlock(periph);
2967 			biodone(bp);
2968 		}
2969 		return;
2970 	}
2971 	case ADA_CCB_RAHEAD:
2972 	{
2973 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2974 			if (adaerror(done_ccb, 0, 0) == ERESTART) {
2975 				/* Drop freeze taken due to CAM_DEV_QFREEZE */
2976 				cam_release_devq(path, 0, 0, 0, FALSE);
2977 				return;
2978 			} else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
2979 				cam_release_devq(path,
2980 				    /*relsim_flags*/0,
2981 				    /*reduction*/0,
2982 				    /*timeout*/0,
2983 				    /*getcount_only*/0);
2984 			}
2985 		}
2986 
2987 		xpt_release_ccb(done_ccb);
2988 		softc->state = ADA_STATE_WCACHE;
2989 		xpt_schedule(periph, priority);
2990 		/* Drop freeze taken due to CAM_DEV_QFREEZE */
2991 		cam_release_devq(path, 0, 0, 0, FALSE);
2992 		return;
2993 	}
2994 	case ADA_CCB_WCACHE:
2995 	{
2996 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2997 			if (adaerror(done_ccb, 0, 0) == ERESTART) {
2998 				/* Drop freeze taken due to CAM_DEV_QFREEZE */
2999 				cam_release_devq(path, 0, 0, 0, FALSE);
3000 				return;
3001 			} else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3002 				cam_release_devq(path,
3003 				    /*relsim_flags*/0,
3004 				    /*reduction*/0,
3005 				    /*timeout*/0,
3006 				    /*getcount_only*/0);
3007 			}
3008 		}
3009 
3010 		/* Drop freeze taken due to CAM_DEV_QFREEZE */
3011 		cam_release_devq(path, 0, 0, 0, FALSE);
3012 
3013 		if ((softc->flags & ADA_FLAG_CAN_LOG)
3014 		 && (softc->zone_mode != ADA_ZONE_NONE)) {
3015 			xpt_release_ccb(done_ccb);
3016 			softc->state = ADA_STATE_LOGDIR;
3017 			xpt_schedule(periph, priority);
3018 		} else {
3019 			adaprobedone(periph, done_ccb);
3020 		}
3021 		return;
3022 	}
3023 	case ADA_CCB_LOGDIR:
3024 	{
3025 		int error;
3026 
3027 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3028 			error = 0;
3029 			softc->valid_logdir_len = 0;
3030 			bzero(&softc->ata_logdir, sizeof(softc->ata_logdir));
3031 			softc->valid_logdir_len =
3032 				ataio->dxfer_len - ataio->resid;
3033 			if (softc->valid_logdir_len > 0)
3034 				bcopy(ataio->data_ptr, &softc->ata_logdir,
3035 				    min(softc->valid_logdir_len,
3036 					sizeof(softc->ata_logdir)));
3037 			/*
3038 			 * Figure out whether the Identify Device log is
3039 			 * supported.  The General Purpose log directory
3040 			 * has a header, and lists the number of pages
3041 			 * available for each GP log identified by the
3042 			 * offset into the list.
3043 			 */
3044 			if ((softc->valid_logdir_len >=
3045 			    ((ATA_IDENTIFY_DATA_LOG + 1) * sizeof(uint16_t)))
3046 			 && (le16dec(softc->ata_logdir.header) ==
3047 			     ATA_GP_LOG_DIR_VERSION)
3048 			 && (le16dec(&softc->ata_logdir.num_pages[
3049 			     (ATA_IDENTIFY_DATA_LOG *
3050 			     sizeof(uint16_t)) - sizeof(uint16_t)]) > 0)){
3051 				softc->flags |= ADA_FLAG_CAN_IDLOG;
3052 			} else {
3053 				softc->flags &= ~ADA_FLAG_CAN_IDLOG;
3054 			}
3055 		} else {
3056 			error = adaerror(done_ccb, CAM_RETRY_SELTO,
3057 					 SF_RETRY_UA|SF_NO_PRINT);
3058 			if (error == ERESTART)
3059 				return;
3060 			else if (error != 0) {
3061 				/*
3062 				 * If we can't get the ATA log directory,
3063 				 * then ATA logs are effectively not
3064 				 * supported even if the bit is set in the
3065 				 * identify data.
3066 				 */
3067 				softc->flags &= ~(ADA_FLAG_CAN_LOG |
3068 						  ADA_FLAG_CAN_IDLOG);
3069 				if ((done_ccb->ccb_h.status &
3070 				     CAM_DEV_QFRZN) != 0) {
3071 					/* Don't wedge this device's queue */
3072 					cam_release_devq(done_ccb->ccb_h.path,
3073 							 /*relsim_flags*/0,
3074 							 /*reduction*/0,
3075 							 /*timeout*/0,
3076 							 /*getcount_only*/0);
3077 				}
3078 			}
3079 		}
3080 
3081 		free(ataio->data_ptr, M_ATADA);
3082 
3083 		if ((error == 0)
3084 		 && (softc->flags & ADA_FLAG_CAN_IDLOG)) {
3085 			softc->state = ADA_STATE_IDDIR;
3086 			xpt_release_ccb(done_ccb);
3087 			xpt_schedule(periph, priority);
3088 		} else
3089 			adaprobedone(periph, done_ccb);
3090 
3091 		return;
3092 	}
3093 	case ADA_CCB_IDDIR: {
3094 		int error;
3095 
3096 		if ((ataio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3097 			off_t entries_offset, max_entries;
3098 			error = 0;
3099 
3100 			softc->valid_iddir_len = 0;
3101 			bzero(&softc->ata_iddir, sizeof(softc->ata_iddir));
3102 			softc->flags &= ~(ADA_FLAG_CAN_SUPCAP |
3103 					  ADA_FLAG_CAN_ZONE);
3104 			softc->valid_iddir_len =
3105 				ataio->dxfer_len - ataio->resid;
3106 			if (softc->valid_iddir_len > 0)
3107 				bcopy(ataio->data_ptr, &softc->ata_iddir,
3108 				    min(softc->valid_iddir_len,
3109 					sizeof(softc->ata_iddir)));
3110 
3111 			entries_offset =
3112 			    __offsetof(struct ata_identify_log_pages,entries);
3113 			max_entries = softc->valid_iddir_len - entries_offset;
3114 			if ((softc->valid_iddir_len > (entries_offset + 1))
3115 			 && (le64dec(softc->ata_iddir.header) ==
3116 			     ATA_IDLOG_REVISION)
3117 			 && (softc->ata_iddir.entry_count > 0)) {
3118 				int num_entries, i;
3119 
3120 				num_entries = softc->ata_iddir.entry_count;
3121 				num_entries = min(num_entries,
3122 				   softc->valid_iddir_len - entries_offset);
3123 				for (i = 0; i < num_entries &&
3124 				     i < max_entries; i++) {
3125 					if (softc->ata_iddir.entries[i] ==
3126 					    ATA_IDL_SUP_CAP)
3127 						softc->flags |=
3128 						    ADA_FLAG_CAN_SUPCAP;
3129 					else if (softc->ata_iddir.entries[i]==
3130 						 ATA_IDL_ZDI)
3131 						softc->flags |=
3132 						    ADA_FLAG_CAN_ZONE;
3133 
3134 					if ((softc->flags &
3135 					     ADA_FLAG_CAN_SUPCAP)
3136 					 && (softc->flags &
3137 					     ADA_FLAG_CAN_ZONE))
3138 						break;
3139 				}
3140 			}
3141 		} else {
3142 			error = adaerror(done_ccb, CAM_RETRY_SELTO,
3143 					 SF_RETRY_UA|SF_NO_PRINT);
3144 			if (error == ERESTART)
3145 				return;
3146 			else if (error != 0) {
3147 				/*
3148 				 * If we can't get the ATA Identify Data log
3149 				 * directory, then it effectively isn't
3150 				 * supported even if the ATA Log directory
3151 				 * a non-zero number of pages present for
3152 				 * this log.
3153 				 */
3154 				softc->flags &= ~ADA_FLAG_CAN_IDLOG;
3155 				if ((done_ccb->ccb_h.status &
3156 				     CAM_DEV_QFRZN) != 0) {
3157 					/* Don't wedge this device's queue */
3158 					cam_release_devq(done_ccb->ccb_h.path,
3159 							 /*relsim_flags*/0,
3160 							 /*reduction*/0,
3161 							 /*timeout*/0,
3162 							 /*getcount_only*/0);
3163 				}
3164 			}
3165 		}
3166 
3167 		free(ataio->data_ptr, M_ATADA);
3168 
3169 		if ((error == 0)
3170 		 && (softc->flags & ADA_FLAG_CAN_SUPCAP)) {
3171 			softc->state = ADA_STATE_SUP_CAP;
3172 			xpt_release_ccb(done_ccb);
3173 			xpt_schedule(periph, priority);
3174 		} else
3175 			adaprobedone(periph, done_ccb);
3176 		return;
3177 	}
3178 	case ADA_CCB_SUP_CAP: {
3179 		int error;
3180 
3181 		if ((ataio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3182 			uint32_t valid_len;
3183 			size_t needed_size;
3184 			struct ata_identify_log_sup_cap *sup_cap;
3185 			error = 0;
3186 
3187 			sup_cap = (struct ata_identify_log_sup_cap *)
3188 			    ataio->data_ptr;
3189 			valid_len = ataio->dxfer_len - ataio->resid;
3190 			needed_size =
3191 			    __offsetof(struct ata_identify_log_sup_cap,
3192 			    sup_zac_cap) + 1 + sizeof(sup_cap->sup_zac_cap);
3193 			if (valid_len >= needed_size) {
3194 				uint64_t zoned, zac_cap;
3195 
3196 				zoned = le64dec(sup_cap->zoned_cap);
3197 				if (zoned & ATA_ZONED_VALID) {
3198 					/*
3199 					 * This should have already been
3200 					 * set, because this is also in the
3201 					 * ATA identify data.
3202 					 */
3203 					if ((zoned & ATA_ZONED_MASK) ==
3204 					    ATA_SUPPORT_ZONE_HOST_AWARE)
3205 						softc->zone_mode =
3206 						    ADA_ZONE_HOST_AWARE;
3207 					else if ((zoned & ATA_ZONED_MASK) ==
3208 					    ATA_SUPPORT_ZONE_DEV_MANAGED)
3209 						softc->zone_mode =
3210 						    ADA_ZONE_DRIVE_MANAGED;
3211 				}
3212 
3213 				zac_cap = le64dec(sup_cap->sup_zac_cap);
3214 				if (zac_cap & ATA_SUP_ZAC_CAP_VALID) {
3215 					if (zac_cap & ATA_REPORT_ZONES_SUP)
3216 						softc->zone_flags |=
3217 						    ADA_ZONE_FLAG_RZ_SUP;
3218 					if (zac_cap & ATA_ND_OPEN_ZONE_SUP)
3219 						softc->zone_flags |=
3220 						    ADA_ZONE_FLAG_OPEN_SUP;
3221 					if (zac_cap & ATA_ND_CLOSE_ZONE_SUP)
3222 						softc->zone_flags |=
3223 						    ADA_ZONE_FLAG_CLOSE_SUP;
3224 					if (zac_cap & ATA_ND_FINISH_ZONE_SUP)
3225 						softc->zone_flags |=
3226 						    ADA_ZONE_FLAG_FINISH_SUP;
3227 					if (zac_cap & ATA_ND_RWP_SUP)
3228 						softc->zone_flags |=
3229 						    ADA_ZONE_FLAG_RWP_SUP;
3230 				} else {
3231 					/*
3232 					 * This field was introduced in
3233 					 * ACS-4, r08 on April 28th, 2015.
3234 					 * If the drive firmware was written
3235 					 * to an earlier spec, it won't have
3236 					 * the field.  So, assume all
3237 					 * commands are supported.
3238 					 */
3239 					softc->zone_flags |=
3240 					    ADA_ZONE_FLAG_SUP_MASK;
3241 				}
3242 			}
3243 		} else {
3244 			error = adaerror(done_ccb, CAM_RETRY_SELTO,
3245 					 SF_RETRY_UA|SF_NO_PRINT);
3246 			if (error == ERESTART)
3247 				return;
3248 			else if (error != 0) {
3249 				/*
3250 				 * If we can't get the ATA Identify Data
3251 				 * Supported Capabilities page, clear the
3252 				 * flag...
3253 				 */
3254 				softc->flags &= ~ADA_FLAG_CAN_SUPCAP;
3255 				/*
3256 				 * And clear zone capabilities.
3257 				 */
3258 				softc->zone_flags &= ~ADA_ZONE_FLAG_SUP_MASK;
3259 				if ((done_ccb->ccb_h.status &
3260 				     CAM_DEV_QFRZN) != 0) {
3261 					/* Don't wedge this device's queue */
3262 					cam_release_devq(done_ccb->ccb_h.path,
3263 							 /*relsim_flags*/0,
3264 							 /*reduction*/0,
3265 							 /*timeout*/0,
3266 							 /*getcount_only*/0);
3267 				}
3268 			}
3269 		}
3270 
3271 		free(ataio->data_ptr, M_ATADA);
3272 
3273 		if ((error == 0)
3274 		 && (softc->flags & ADA_FLAG_CAN_ZONE)) {
3275 			softc->state = ADA_STATE_ZONE;
3276 			xpt_release_ccb(done_ccb);
3277 			xpt_schedule(periph, priority);
3278 		} else
3279 			adaprobedone(periph, done_ccb);
3280 		return;
3281 	}
3282 	case ADA_CCB_ZONE: {
3283 		int error;
3284 
3285 		if ((ataio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3286 			struct ata_zoned_info_log *zi_log;
3287 			uint32_t valid_len;
3288 			size_t needed_size;
3289 
3290 			zi_log = (struct ata_zoned_info_log *)ataio->data_ptr;
3291 
3292 			valid_len = ataio->dxfer_len - ataio->resid;
3293 			needed_size = __offsetof(struct ata_zoned_info_log,
3294 			    version_info) + 1 + sizeof(zi_log->version_info);
3295 			if (valid_len >= needed_size) {
3296 				uint64_t tmpvar;
3297 
3298 				tmpvar = le64dec(zi_log->zoned_cap);
3299 				if (tmpvar & ATA_ZDI_CAP_VALID) {
3300 					if (tmpvar & ATA_ZDI_CAP_URSWRZ)
3301 						softc->zone_flags |=
3302 						    ADA_ZONE_FLAG_URSWRZ;
3303 					else
3304 						softc->zone_flags &=
3305 						    ~ADA_ZONE_FLAG_URSWRZ;
3306 				}
3307 				tmpvar = le64dec(zi_log->optimal_seq_zones);
3308 				if (tmpvar & ATA_ZDI_OPT_SEQ_VALID) {
3309 					softc->zone_flags |=
3310 					    ADA_ZONE_FLAG_OPT_SEQ_SET;
3311 					softc->optimal_seq_zones = (tmpvar &
3312 					    ATA_ZDI_OPT_SEQ_MASK);
3313 				} else {
3314 					softc->zone_flags &=
3315 					    ~ADA_ZONE_FLAG_OPT_SEQ_SET;
3316 					softc->optimal_seq_zones = 0;
3317 				}
3318 
3319 				tmpvar =le64dec(zi_log->optimal_nonseq_zones);
3320 				if (tmpvar & ATA_ZDI_OPT_NS_VALID) {
3321 					softc->zone_flags |=
3322 					    ADA_ZONE_FLAG_OPT_NONSEQ_SET;
3323 					softc->optimal_nonseq_zones =
3324 					    (tmpvar & ATA_ZDI_OPT_NS_MASK);
3325 				} else {
3326 					softc->zone_flags &=
3327 					    ~ADA_ZONE_FLAG_OPT_NONSEQ_SET;
3328 					softc->optimal_nonseq_zones = 0;
3329 				}
3330 
3331 				tmpvar = le64dec(zi_log->max_seq_req_zones);
3332 				if (tmpvar & ATA_ZDI_MAX_SEQ_VALID) {
3333 					softc->zone_flags |=
3334 					    ADA_ZONE_FLAG_MAX_SEQ_SET;
3335 					softc->max_seq_zones =
3336 					    (tmpvar & ATA_ZDI_MAX_SEQ_MASK);
3337 				} else {
3338 					softc->zone_flags &=
3339 					    ~ADA_ZONE_FLAG_MAX_SEQ_SET;
3340 					softc->max_seq_zones = 0;
3341 				}
3342 			}
3343 		} else {
3344 			error = adaerror(done_ccb, CAM_RETRY_SELTO,
3345 					 SF_RETRY_UA|SF_NO_PRINT);
3346 			if (error == ERESTART)
3347 				return;
3348 			else if (error != 0) {
3349 				softc->flags &= ~ADA_FLAG_CAN_ZONE;
3350 				softc->flags &= ~ADA_ZONE_FLAG_SET_MASK;
3351 
3352 				if ((done_ccb->ccb_h.status &
3353 				     CAM_DEV_QFRZN) != 0) {
3354 					/* Don't wedge this device's queue */
3355 					cam_release_devq(done_ccb->ccb_h.path,
3356 							 /*relsim_flags*/0,
3357 							 /*reduction*/0,
3358 							 /*timeout*/0,
3359 							 /*getcount_only*/0);
3360 				}
3361 			}
3362 		}
3363 		free(ataio->data_ptr, M_ATADA);
3364 
3365 		adaprobedone(periph, done_ccb);
3366 		return;
3367 	}
3368 	case ADA_CCB_DUMP:
3369 		/* No-op.  We're polling */
3370 		return;
3371 	default:
3372 		break;
3373 	}
3374 	xpt_release_ccb(done_ccb);
3375 }
3376 
3377 static int
3378 adaerror(union ccb *ccb, uint32_t cam_flags, uint32_t sense_flags)
3379 {
3380 #ifdef CAM_IO_STATS
3381 	struct ada_softc *softc;
3382 	struct cam_periph *periph;
3383 
3384 	periph = xpt_path_periph(ccb->ccb_h.path);
3385 	softc = (struct ada_softc *)periph->softc;
3386 
3387 	switch (ccb->ccb_h.status & CAM_STATUS_MASK) {
3388 	case CAM_CMD_TIMEOUT:
3389 		softc->timeouts++;
3390 		break;
3391 	case CAM_REQ_ABORTED:
3392 	case CAM_REQ_CMP_ERR:
3393 	case CAM_REQ_TERMIO:
3394 	case CAM_UNREC_HBA_ERROR:
3395 	case CAM_DATA_RUN_ERR:
3396 	case CAM_ATA_STATUS_ERROR:
3397 		softc->errors++;
3398 		break;
3399 	default:
3400 		break;
3401 	}
3402 #endif
3403 
3404 	return(cam_periph_error(ccb, cam_flags, sense_flags));
3405 }
3406 
3407 static void
3408 adasetgeom(struct ada_softc *softc, struct ccb_getdev *cgd)
3409 {
3410 	struct disk_params *dp = &softc->params;
3411 	uint64_t lbasize48;
3412 	uint32_t lbasize;
3413 	u_int maxio, d_flags;
3414 	size_t tmpsize;
3415 
3416 	dp->secsize = ata_logical_sector_size(&cgd->ident_data);
3417 	if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) &&
3418 	    cgd->ident_data.current_heads != 0 &&
3419 	    cgd->ident_data.current_sectors != 0) {
3420 		dp->heads = cgd->ident_data.current_heads;
3421 		dp->secs_per_track = cgd->ident_data.current_sectors;
3422 		dp->cylinders = cgd->ident_data.cylinders;
3423 		dp->sectors = (uint32_t)cgd->ident_data.current_size_1 |
3424 			  ((uint32_t)cgd->ident_data.current_size_2 << 16);
3425 	} else {
3426 		dp->heads = cgd->ident_data.heads;
3427 		dp->secs_per_track = cgd->ident_data.sectors;
3428 		dp->cylinders = cgd->ident_data.cylinders;
3429 		dp->sectors = cgd->ident_data.cylinders *
3430 			      (uint32_t)(dp->heads * dp->secs_per_track);
3431 	}
3432 	lbasize = (uint32_t)cgd->ident_data.lba_size_1 |
3433 		  ((uint32_t)cgd->ident_data.lba_size_2 << 16);
3434 
3435 	/* use the 28bit LBA size if valid or bigger than the CHS mapping */
3436 	if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize)
3437 		dp->sectors = lbasize;
3438 
3439 	/* use the 48bit LBA size if valid */
3440 	lbasize48 = ((uint64_t)cgd->ident_data.lba_size48_1) |
3441 		    ((uint64_t)cgd->ident_data.lba_size48_2 << 16) |
3442 		    ((uint64_t)cgd->ident_data.lba_size48_3 << 32) |
3443 		    ((uint64_t)cgd->ident_data.lba_size48_4 << 48);
3444 	if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) &&
3445 	    lbasize48 > ATA_MAX_28BIT_LBA)
3446 		dp->sectors = lbasize48;
3447 
3448 	maxio = softc->cpi.maxio;		/* Honor max I/O size of SIM */
3449 	if (maxio == 0)
3450 		maxio = DFLTPHYS;	/* traditional default */
3451 	else if (maxio > maxphys)
3452 		maxio = maxphys;	/* for safety */
3453 	if (softc->flags & ADA_FLAG_CAN_48BIT)
3454 		maxio = min(maxio, 65536 * softc->params.secsize);
3455 	else					/* 28bit ATA command limit */
3456 		maxio = min(maxio, 256 * softc->params.secsize);
3457 	if (softc->quirks & ADA_Q_128KB)
3458 		maxio = min(maxio, 128 * 1024);
3459 	softc->disk->d_maxsize = maxio;
3460 	d_flags = DISKFLAG_DIRECT_COMPLETION | DISKFLAG_CANZONE;
3461 	if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE)
3462 		d_flags |= DISKFLAG_CANFLUSHCACHE;
3463 	if (softc->flags & ADA_FLAG_CAN_TRIM) {
3464 		d_flags |= DISKFLAG_CANDELETE;
3465 		softc->disk->d_delmaxsize = softc->params.secsize *
3466 		    ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
3467 	} else if ((softc->flags & ADA_FLAG_CAN_CFA) &&
3468 	    !(softc->flags & ADA_FLAG_CAN_48BIT)) {
3469 		d_flags |= DISKFLAG_CANDELETE;
3470 		softc->disk->d_delmaxsize = 256 * softc->params.secsize;
3471 	} else
3472 		softc->disk->d_delmaxsize = maxio;
3473 	if ((softc->cpi.hba_misc & PIM_UNMAPPED) != 0) {
3474 		d_flags |= DISKFLAG_UNMAPPED_BIO;
3475 		softc->flags |= ADA_FLAG_UNMAPPEDIO;
3476 	}
3477 	softc->disk->d_flags = d_flags;
3478 
3479 	/*
3480 	 * ata_param_fixup will strip trailing padding spaces and add a NUL,
3481 	 * but if the field has no padding (as is common for serial numbers)
3482 	 * there will still be no NUL terminator. We cannot use strlcpy, since
3483 	 * it keeps reading src until it finds a NUL in order to compute the
3484 	 * return value (and will truncate the final character due to having a
3485 	 * single dsize rather than separate ssize and dsize), and strncpy does
3486 	 * not add a NUL to the destination if it reaches the character limit.
3487 	 */
3488 	tmpsize = MIN(sizeof(softc->disk->d_descr) - 1,
3489 	    sizeof(cgd->ident_data.model));
3490 	memcpy(softc->disk->d_descr, cgd->ident_data.model, tmpsize);
3491 	softc->disk->d_descr[tmpsize] = '\0';
3492 
3493 	tmpsize = MIN(sizeof(softc->disk->d_ident) - 1,
3494 	    sizeof(cgd->ident_data.serial));
3495 	memcpy(softc->disk->d_ident, cgd->ident_data.serial, tmpsize);
3496 	softc->disk->d_ident[tmpsize] = '\0';
3497 
3498 	softc->disk->d_sectorsize = softc->params.secsize;
3499 	softc->disk->d_mediasize = (off_t)softc->params.sectors *
3500 	    softc->params.secsize;
3501 	if (ata_physical_sector_size(&cgd->ident_data) !=
3502 	    softc->params.secsize) {
3503 		softc->disk->d_stripesize =
3504 		    ata_physical_sector_size(&cgd->ident_data);
3505 		softc->disk->d_stripeoffset = (softc->disk->d_stripesize -
3506 		    ata_logical_sector_offset(&cgd->ident_data)) %
3507 		    softc->disk->d_stripesize;
3508 	} else if (softc->quirks & ADA_Q_4K) {
3509 		softc->disk->d_stripesize = 4096;
3510 		softc->disk->d_stripeoffset = 0;
3511 	}
3512 	softc->disk->d_fwsectors = softc->params.secs_per_track;
3513 	softc->disk->d_fwheads = softc->params.heads;
3514 	softc->disk->d_rotation_rate = cgd->ident_data.media_rotation_rate;
3515 	snprintf(softc->disk->d_attachment, sizeof(softc->disk->d_attachment),
3516 	    "%s%d", softc->cpi.dev_name, softc->cpi.unit_number);
3517 }
3518 
3519 static void
3520 adasendorderedtag(void *arg)
3521 {
3522 	struct ada_softc *softc = arg;
3523 
3524 	if (ada_send_ordered) {
3525 		if (softc->outstanding_cmds > 0) {
3526 			if ((softc->flags & ADA_FLAG_WAS_OTAG) == 0)
3527 				softc->flags |= ADA_FLAG_NEED_OTAG;
3528 			softc->flags &= ~ADA_FLAG_WAS_OTAG;
3529 		}
3530 	}
3531 
3532 	/* Queue us up again */
3533 	callout_schedule_sbt(&softc->sendordered_c,
3534 	    SBT_1S / ADA_ORDEREDTAG_INTERVAL * ada_default_timeout, 0,
3535 	    C_PREL(1));
3536 }
3537 
3538 /*
3539  * Step through all ADA peripheral drivers, and if the device is still open,
3540  * sync the disk cache to physical media.
3541  */
3542 static void
3543 adaflush(void)
3544 {
3545 	struct cam_periph *periph;
3546 	struct ada_softc *softc;
3547 	union ccb *ccb;
3548 	int error;
3549 
3550 	CAM_PERIPH_FOREACH(periph, &adadriver) {
3551 		softc = (struct ada_softc *)periph->softc;
3552 		if (SCHEDULER_STOPPED()) {
3553 			/* If we panicked with the lock held, do not recurse. */
3554 			if (!cam_periph_owned(periph) &&
3555 			    (softc->flags & ADA_FLAG_OPEN)) {
3556 				adadump(softc->disk, NULL, 0, 0);
3557 			}
3558 			continue;
3559 		}
3560 		cam_periph_lock(periph);
3561 		/*
3562 		 * We only sync the cache if the drive is still open, and
3563 		 * if the drive is capable of it..
3564 		 */
3565 		if (((softc->flags & ADA_FLAG_OPEN) == 0) ||
3566 		    (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) {
3567 			cam_periph_unlock(periph);
3568 			continue;
3569 		}
3570 
3571 		ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3572 		cam_fill_ataio(&ccb->ataio,
3573 				    0,
3574 				    NULL,
3575 				    CAM_DIR_NONE,
3576 				    0,
3577 				    NULL,
3578 				    0,
3579 				    ada_default_timeout*1000);
3580 		if (softc->flags & ADA_FLAG_CAN_48BIT)
3581 			ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0);
3582 		else
3583 			ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0);
3584 
3585 		error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0,
3586 		    /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY,
3587 		    softc->disk->d_devstat);
3588 		if (error != 0)
3589 			xpt_print(periph->path, "Synchronize cache failed\n");
3590 		xpt_release_ccb(ccb);
3591 		cam_periph_unlock(periph);
3592 	}
3593 }
3594 
3595 static void
3596 adaspindown(uint8_t cmd, int flags)
3597 {
3598 	struct cam_periph *periph;
3599 	struct ada_softc *softc;
3600 	struct ccb_ataio local_ccb;
3601 	int error;
3602 	int mode;
3603 
3604 	CAM_PERIPH_FOREACH(periph, &adadriver) {
3605 		/* If we panicked with lock held - not recurse here. */
3606 		if (cam_periph_owned(periph))
3607 			continue;
3608 		cam_periph_lock(periph);
3609 		softc = (struct ada_softc *)periph->softc;
3610 		/*
3611 		 * We only spin-down the drive if it is capable of it..
3612 		 */
3613 		if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) {
3614 			cam_periph_unlock(periph);
3615 			continue;
3616 		}
3617 
3618 		/*
3619 		 * Additionally check if we would spin up the drive instead of
3620 		 * spinning it down.
3621 		 */
3622 		if (cmd == ATA_IDLE_IMMEDIATE) {
3623 			memset(&local_ccb, 0, sizeof(local_ccb));
3624 			xpt_setup_ccb(&local_ccb.ccb_h, periph->path,
3625 			    CAM_PRIORITY_NORMAL);
3626 			local_ccb.ccb_h.ccb_state = ADA_CCB_DUMP;
3627 
3628 			cam_fill_ataio(&local_ccb, 0, NULL, CAM_DIR_NONE,
3629 			    0, NULL, 0, ada_default_timeout * 1000);
3630 			ata_28bit_cmd(&local_ccb, ATA_CHECK_POWER_MODE,
3631 			    0, 0, 0);
3632 			local_ccb.cmd.flags |= CAM_ATAIO_NEEDRESULT;
3633 
3634 			error = cam_periph_runccb((union ccb *)&local_ccb,
3635 			    adaerror, /*cam_flags*/0,
3636 			    /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY,
3637 			    softc->disk->d_devstat);
3638 			if (error != 0) {
3639 				xpt_print(periph->path,
3640 				    "Failed to read current power mode\n");
3641 			} else {
3642 				mode = local_ccb.res.sector_count;
3643 #ifdef DIAGNOSTIC
3644 				if (bootverbose) {
3645 					xpt_print(periph->path,
3646 					    "disk power mode 0x%02x\n", mode);
3647 				}
3648 #endif
3649 				switch (mode) {
3650 				case ATA_PM_STANDBY:
3651 				case ATA_PM_STANDBY_Y:
3652 					if (bootverbose) {
3653 						xpt_print(periph->path,
3654 						    "already spun down\n");
3655 					}
3656 					cam_periph_unlock(periph);
3657 					continue;
3658 				default:
3659 					break;
3660 				}
3661 			}
3662 		}
3663 
3664 		if (bootverbose)
3665 			xpt_print(periph->path, "spin-down\n");
3666 
3667 		memset(&local_ccb, 0, sizeof(local_ccb));
3668 		xpt_setup_ccb(&local_ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3669 		local_ccb.ccb_h.ccb_state = ADA_CCB_DUMP;
3670 
3671 		cam_fill_ataio(&local_ccb,
3672 				    0,
3673 				    NULL,
3674 				    CAM_DIR_NONE | flags,
3675 				    0,
3676 				    NULL,
3677 				    0,
3678 				    ada_default_timeout*1000);
3679 		ata_28bit_cmd(&local_ccb, cmd, 0, 0, 0);
3680 		error = cam_periph_runccb((union ccb *)&local_ccb, adaerror,
3681 		    /*cam_flags*/0, /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY,
3682 		    softc->disk->d_devstat);
3683 		if (error != 0)
3684 			xpt_print(periph->path, "Spin-down disk failed\n");
3685 		cam_periph_unlock(periph);
3686 	}
3687 }
3688 
3689 static void
3690 adashutdown(void *arg, int howto)
3691 {
3692 	int how;
3693 
3694 	if ((howto & RB_NOSYNC) != 0)
3695 		return;
3696 
3697 	adaflush();
3698 
3699 	/*
3700 	 * STANDBY IMMEDIATE saves any volatile data to the drive. It also spins
3701 	 * down hard drives. IDLE IMMEDIATE also saves the volatile data without
3702 	 * a spindown. We send the former when we expect to lose power soon. For
3703 	 * a warm boot, we send the latter to avoid a thundering herd of spinups
3704 	 * just after the kernel loads while probing. We have to do something to
3705 	 * flush the data because the BIOS in many systems resets the HBA
3706 	 * causing a COMINIT/COMRESET negotiation, which some drives interpret
3707 	 * as license to toss the volatile data, and others count as unclean
3708 	 * shutdown when in the Active PM state in SMART attributes.
3709 	 *
3710 	 * adaspindown will ensure that we don't send this to a drive that
3711 	 * doesn't support it.
3712 	 */
3713 	if (ada_spindown_shutdown != 0) {
3714 		how = (howto & (RB_HALT | RB_POWEROFF | RB_POWERCYCLE)) ?
3715 		    ATA_STANDBY_IMMEDIATE : ATA_IDLE_IMMEDIATE;
3716 		adaspindown(how, 0);
3717 	}
3718 }
3719 
3720 static void
3721 adasuspend(void *arg)
3722 {
3723 
3724 	adaflush();
3725 	/*
3726 	 * SLEEP also fushes any volatile data, like STANDBY IMEDIATE,
3727 	 * so we don't need to send it as well.
3728 	 */
3729 	if (ada_spindown_suspend != 0)
3730 		adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE);
3731 }
3732 
3733 static void
3734 adaresume(void *arg)
3735 {
3736 	struct cam_periph *periph;
3737 	struct ada_softc *softc;
3738 
3739 	if (ada_spindown_suspend == 0)
3740 		return;
3741 
3742 	CAM_PERIPH_FOREACH(periph, &adadriver) {
3743 		cam_periph_lock(periph);
3744 		softc = (struct ada_softc *)periph->softc;
3745 		/*
3746 		 * We only spin-down the drive if it is capable of it..
3747 		 */
3748 		if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) {
3749 			cam_periph_unlock(periph);
3750 			continue;
3751 		}
3752 
3753 		if (bootverbose)
3754 			xpt_print(periph->path, "resume\n");
3755 
3756 		/*
3757 		 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on
3758 		 * sleep request.
3759 		 */
3760 		cam_release_devq(periph->path,
3761 			 /*relsim_flags*/0,
3762 			 /*openings*/0,
3763 			 /*timeout*/0,
3764 			 /*getcount_only*/0);
3765 
3766 		cam_periph_unlock(periph);
3767 	}
3768 }
3769 
3770 #endif /* _KERNEL */
3771