xref: /freebsd/sys/cam/ata/ata_da.c (revision 780fb4a2)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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 <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 
32 #include "opt_ada.h"
33 
34 #include <sys/param.h>
35 
36 #ifdef _KERNEL
37 #include <sys/systm.h>
38 #include <sys/kernel.h>
39 #include <sys/bio.h>
40 #include <sys/sysctl.h>
41 #include <sys/taskqueue.h>
42 #include <sys/lock.h>
43 #include <sys/mutex.h>
44 #include <sys/conf.h>
45 #include <sys/devicestat.h>
46 #include <sys/eventhandler.h>
47 #include <sys/malloc.h>
48 #include <sys/endian.h>
49 #include <sys/cons.h>
50 #include <sys/proc.h>
51 #include <sys/reboot.h>
52 #include <sys/sbuf.h>
53 #include <geom/geom_disk.h>
54 #endif /* _KERNEL */
55 
56 #ifndef _KERNEL
57 #include <stdio.h>
58 #include <string.h>
59 #endif /* _KERNEL */
60 
61 #include <cam/cam.h>
62 #include <cam/cam_ccb.h>
63 #include <cam/cam_periph.h>
64 #include <cam/cam_xpt_periph.h>
65 #include <cam/scsi/scsi_all.h>
66 #include <cam/scsi/scsi_da.h>
67 #include <cam/cam_sim.h>
68 #include <cam/cam_iosched.h>
69 
70 #include <cam/ata/ata_all.h>
71 
72 #include <machine/md_var.h>	/* geometry translation */
73 
74 #ifdef _KERNEL
75 
76 #define ATA_MAX_28BIT_LBA               268435455UL
77 
78 extern int iosched_debug;
79 
80 typedef enum {
81 	ADA_STATE_RAHEAD,
82 	ADA_STATE_WCACHE,
83 	ADA_STATE_LOGDIR,
84 	ADA_STATE_IDDIR,
85 	ADA_STATE_SUP_CAP,
86 	ADA_STATE_ZONE,
87 	ADA_STATE_NORMAL
88 } ada_state;
89 
90 typedef enum {
91 	ADA_FLAG_CAN_48BIT	= 0x00000002,
92 	ADA_FLAG_CAN_FLUSHCACHE	= 0x00000004,
93 	ADA_FLAG_CAN_NCQ	= 0x00000008,
94 	ADA_FLAG_CAN_DMA	= 0x00000010,
95 	ADA_FLAG_NEED_OTAG	= 0x00000020,
96 	ADA_FLAG_WAS_OTAG	= 0x00000040,
97 	ADA_FLAG_CAN_TRIM	= 0x00000080,
98 	ADA_FLAG_OPEN		= 0x00000100,
99 	ADA_FLAG_SCTX_INIT	= 0x00000200,
100 	ADA_FLAG_CAN_CFA        = 0x00000400,
101 	ADA_FLAG_CAN_POWERMGT   = 0x00000800,
102 	ADA_FLAG_CAN_DMA48	= 0x00001000,
103 	ADA_FLAG_CAN_LOG	= 0x00002000,
104 	ADA_FLAG_CAN_IDLOG	= 0x00004000,
105 	ADA_FLAG_CAN_SUPCAP	= 0x00008000,
106 	ADA_FLAG_CAN_ZONE	= 0x00010000,
107 	ADA_FLAG_CAN_WCACHE	= 0x00020000,
108 	ADA_FLAG_CAN_RAHEAD	= 0x00040000,
109 	ADA_FLAG_PROBED		= 0x00080000,
110 	ADA_FLAG_ANNOUNCED	= 0x00100000,
111 	ADA_FLAG_DIRTY		= 0x00200000,
112 	ADA_FLAG_CAN_NCQ_TRIM	= 0x00400000,	/* CAN_TRIM also set */
113 	ADA_FLAG_PIM_ATA_EXT	= 0x00800000
114 } ada_flags;
115 
116 typedef enum {
117 	ADA_Q_NONE		= 0x00,
118 	ADA_Q_4K		= 0x01,
119 	ADA_Q_NCQ_TRIM_BROKEN	= 0x02,
120 	ADA_Q_LOG_BROKEN	= 0x04,
121 	ADA_Q_SMR_DM		= 0x08
122 } ada_quirks;
123 
124 #define ADA_Q_BIT_STRING	\
125 	"\020"			\
126 	"\0014K"		\
127 	"\002NCQ_TRIM_BROKEN"	\
128 	"\003LOG_BROKEN"	\
129 	"\004SMR_DM"
130 
131 typedef enum {
132 	ADA_CCB_RAHEAD		= 0x01,
133 	ADA_CCB_WCACHE		= 0x02,
134 	ADA_CCB_BUFFER_IO	= 0x03,
135 	ADA_CCB_DUMP		= 0x05,
136 	ADA_CCB_TRIM		= 0x06,
137 	ADA_CCB_LOGDIR		= 0x07,
138 	ADA_CCB_IDDIR		= 0x08,
139 	ADA_CCB_SUP_CAP		= 0x09,
140 	ADA_CCB_ZONE		= 0x0a,
141 	ADA_CCB_TYPE_MASK	= 0x0F,
142 } ada_ccb_state;
143 
144 typedef enum {
145 	ADA_ZONE_NONE		= 0x00,
146 	ADA_ZONE_DRIVE_MANAGED	= 0x01,
147 	ADA_ZONE_HOST_AWARE	= 0x02,
148 	ADA_ZONE_HOST_MANAGED	= 0x03
149 } ada_zone_mode;
150 
151 typedef enum {
152 	ADA_ZONE_FLAG_RZ_SUP		= 0x0001,
153 	ADA_ZONE_FLAG_OPEN_SUP		= 0x0002,
154 	ADA_ZONE_FLAG_CLOSE_SUP		= 0x0004,
155 	ADA_ZONE_FLAG_FINISH_SUP	= 0x0008,
156 	ADA_ZONE_FLAG_RWP_SUP		= 0x0010,
157 	ADA_ZONE_FLAG_SUP_MASK		= (ADA_ZONE_FLAG_RZ_SUP |
158 					   ADA_ZONE_FLAG_OPEN_SUP |
159 					   ADA_ZONE_FLAG_CLOSE_SUP |
160 					   ADA_ZONE_FLAG_FINISH_SUP |
161 					   ADA_ZONE_FLAG_RWP_SUP),
162 	ADA_ZONE_FLAG_URSWRZ		= 0x0020,
163 	ADA_ZONE_FLAG_OPT_SEQ_SET	= 0x0040,
164 	ADA_ZONE_FLAG_OPT_NONSEQ_SET	= 0x0080,
165 	ADA_ZONE_FLAG_MAX_SEQ_SET	= 0x0100,
166 	ADA_ZONE_FLAG_SET_MASK		= (ADA_ZONE_FLAG_OPT_SEQ_SET |
167 					   ADA_ZONE_FLAG_OPT_NONSEQ_SET |
168 					   ADA_ZONE_FLAG_MAX_SEQ_SET)
169 } ada_zone_flags;
170 
171 static struct ada_zone_desc {
172 	ada_zone_flags value;
173 	const char *desc;
174 } ada_zone_desc_table[] = {
175 	{ADA_ZONE_FLAG_RZ_SUP, "Report Zones" },
176 	{ADA_ZONE_FLAG_OPEN_SUP, "Open" },
177 	{ADA_ZONE_FLAG_CLOSE_SUP, "Close" },
178 	{ADA_ZONE_FLAG_FINISH_SUP, "Finish" },
179 	{ADA_ZONE_FLAG_RWP_SUP, "Reset Write Pointer" },
180 };
181 
182 
183 /* Offsets into our private area for storing information */
184 #define ccb_state	ppriv_field0
185 #define ccb_bp		ppriv_ptr1
186 
187 typedef enum {
188 	ADA_DELETE_NONE,
189 	ADA_DELETE_DISABLE,
190 	ADA_DELETE_CFA_ERASE,
191 	ADA_DELETE_DSM_TRIM,
192 	ADA_DELETE_NCQ_DSM_TRIM,
193 	ADA_DELETE_MIN = ADA_DELETE_CFA_ERASE,
194 	ADA_DELETE_MAX = ADA_DELETE_NCQ_DSM_TRIM,
195 } ada_delete_methods;
196 
197 static const char *ada_delete_method_names[] =
198     { "NONE", "DISABLE", "CFA_ERASE", "DSM_TRIM", "NCQ_DSM_TRIM" };
199 #if 0
200 static const char *ada_delete_method_desc[] =
201     { "NONE", "DISABLED", "CFA Erase", "DSM Trim", "DSM Trim via NCQ" };
202 #endif
203 
204 struct disk_params {
205 	u_int8_t  heads;
206 	u_int8_t  secs_per_track;
207 	u_int32_t cylinders;
208 	u_int32_t secsize;	/* Number of bytes/logical sector */
209 	u_int64_t sectors;	/* Total number sectors */
210 };
211 
212 #define TRIM_MAX_BLOCKS	8
213 #define TRIM_MAX_RANGES	(TRIM_MAX_BLOCKS * ATA_DSM_BLK_RANGES)
214 struct trim_request {
215 	uint8_t		data[TRIM_MAX_RANGES * ATA_DSM_RANGE_SIZE];
216 	TAILQ_HEAD(, bio) bps;
217 };
218 
219 struct ada_softc {
220 	struct   cam_iosched_softc *cam_iosched;
221 	int	 outstanding_cmds;	/* Number of active commands */
222 	int	 refcount;		/* Active xpt_action() calls */
223 	ada_state state;
224 	ada_flags flags;
225 	ada_zone_mode zone_mode;
226 	ada_zone_flags zone_flags;
227 	struct ata_gp_log_dir ata_logdir;
228 	int valid_logdir_len;
229 	struct ata_identify_log_pages ata_iddir;
230 	int valid_iddir_len;
231 	uint64_t optimal_seq_zones;
232 	uint64_t optimal_nonseq_zones;
233 	uint64_t max_seq_zones;
234 	ada_quirks quirks;
235 	ada_delete_methods delete_method;
236 	int	 trim_max_ranges;
237 	int	 read_ahead;
238 	int	 write_cache;
239 	int	 unmappedio;
240 	int	 rotating;
241 #ifdef CAM_TEST_FAILURE
242 	int      force_read_error;
243 	int      force_write_error;
244 	int      periodic_read_error;
245 	int      periodic_read_count;
246 #endif
247 	struct	 disk_params params;
248 	struct	 disk *disk;
249 	struct task		sysctl_task;
250 	struct sysctl_ctx_list	sysctl_ctx;
251 	struct sysctl_oid	*sysctl_tree;
252 	struct callout		sendordered_c;
253 	struct trim_request	trim_req;
254 #ifdef CAM_IO_STATS
255 	struct sysctl_ctx_list	sysctl_stats_ctx;
256 	struct sysctl_oid	*sysctl_stats_tree;
257 	u_int	timeouts;
258 	u_int	errors;
259 	u_int	invalidations;
260 #endif
261 #define ADA_ANNOUNCETMP_SZ 80
262 	char	announce_temp[ADA_ANNOUNCETMP_SZ];
263 #define ADA_ANNOUNCE_SZ 400
264 	char	announce_buffer[ADA_ANNOUNCE_SZ];
265 };
266 
267 struct ada_quirk_entry {
268 	struct scsi_inquiry_pattern inq_pat;
269 	ada_quirks quirks;
270 };
271 
272 static struct ada_quirk_entry ada_quirk_table[] =
273 {
274 	{
275 		/* Hitachi Advanced Format (4k) drives */
276 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Hitachi H??????????E3*", "*" },
277 		/*quirks*/ADA_Q_4K
278 	},
279 	{
280 		/* Samsung Advanced Format (4k) drives */
281 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD155UI*", "*" },
282 		/*quirks*/ADA_Q_4K
283 	},
284 	{
285 		/* Samsung Advanced Format (4k) drives */
286 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD204UI*", "*" },
287 		/*quirks*/ADA_Q_4K
288 	},
289 	{
290 		/* Seagate Barracuda Green Advanced Format (4k) drives */
291 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DL*", "*" },
292 		/*quirks*/ADA_Q_4K
293 	},
294 	{
295 		/* Seagate Barracuda Advanced Format (4k) drives */
296 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???DM*", "*" },
297 		/*quirks*/ADA_Q_4K
298 	},
299 	{
300 		/* Seagate Barracuda Advanced Format (4k) drives */
301 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DM*", "*" },
302 		/*quirks*/ADA_Q_4K
303 	},
304 	{
305 		/* Seagate Momentus Advanced Format (4k) drives */
306 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500423AS*", "*" },
307 		/*quirks*/ADA_Q_4K
308 	},
309 	{
310 		/* Seagate Momentus Advanced Format (4k) drives */
311 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500424AS*", "*" },
312 		/*quirks*/ADA_Q_4K
313 	},
314 	{
315 		/* Seagate Momentus Advanced Format (4k) drives */
316 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640423AS*", "*" },
317 		/*quirks*/ADA_Q_4K
318 	},
319 	{
320 		/* Seagate Momentus Advanced Format (4k) drives */
321 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640424AS*", "*" },
322 		/*quirks*/ADA_Q_4K
323 	},
324 	{
325 		/* Seagate Momentus Advanced Format (4k) drives */
326 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750420AS*", "*" },
327 		/*quirks*/ADA_Q_4K
328 	},
329 	{
330 		/* Seagate Momentus Advanced Format (4k) drives */
331 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750422AS*", "*" },
332 		/*quirks*/ADA_Q_4K
333 	},
334 	{
335 		/* Seagate Momentus Advanced Format (4k) drives */
336 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750423AS*", "*" },
337 		/*quirks*/ADA_Q_4K
338 	},
339 	{
340 		/* Seagate Momentus Thin Advanced Format (4k) drives */
341 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???LT*", "*" },
342 		/*quirks*/ADA_Q_4K
343 	},
344 	{
345 		/* WDC Caviar Red Advanced Format (4k) drives */
346 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????CX*", "*" },
347 		/*quirks*/ADA_Q_4K
348 	},
349 	{
350 		/* WDC Caviar Green Advanced Format (4k) drives */
351 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RS*", "*" },
352 		/*quirks*/ADA_Q_4K
353 	},
354 	{
355 		/* WDC Caviar Green/Red Advanced Format (4k) drives */
356 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RX*", "*" },
357 		/*quirks*/ADA_Q_4K
358 	},
359 	{
360 		/* WDC Caviar Red Advanced Format (4k) drives */
361 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????CX*", "*" },
362 		/*quirks*/ADA_Q_4K
363 	},
364 	{
365 		/* WDC Caviar Black Advanced Format (4k) drives */
366 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????AZEX*", "*" },
367 		/*quirks*/ADA_Q_4K
368 	},
369 	{
370 		/* WDC Caviar Black Advanced Format (4k) drives */
371 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????FZEX*", "*" },
372 		/*quirks*/ADA_Q_4K
373 	},
374 	{
375 		/* WDC Caviar Green Advanced Format (4k) drives */
376 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RS*", "*" },
377 		/*quirks*/ADA_Q_4K
378 	},
379 	{
380 		/* WDC Caviar Green Advanced Format (4k) drives */
381 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RX*", "*" },
382 		/*quirks*/ADA_Q_4K
383 	},
384 	{
385 		/* WDC Scorpio Black Advanced Format (4k) drives */
386 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PKT*", "*" },
387 		/*quirks*/ADA_Q_4K
388 	},
389 	{
390 		/* WDC Scorpio Black Advanced Format (4k) drives */
391 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PKT*", "*" },
392 		/*quirks*/ADA_Q_4K
393 	},
394 	{
395 		/* WDC Scorpio Blue Advanced Format (4k) drives */
396 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PVT*", "*" },
397 		/*quirks*/ADA_Q_4K
398 	},
399 	{
400 		/* WDC Scorpio Blue Advanced Format (4k) drives */
401 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PVT*", "*" },
402 		/*quirks*/ADA_Q_4K
403 	},
404 	/* SSDs */
405 	{
406 		/*
407 		 * Corsair Force 2 SSDs
408 		 * 4k optimised & trim only works in 4k requests + 4k aligned
409 		 */
410 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair CSSD-F*", "*" },
411 		/*quirks*/ADA_Q_4K
412 	},
413 	{
414 		/*
415 		 * Corsair Force 3 SSDs
416 		 * 4k optimised & trim only works in 4k requests + 4k aligned
417 		 */
418 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force 3*", "*" },
419 		/*quirks*/ADA_Q_4K
420 	},
421 	{
422 		/*
423 		 * Corsair Neutron GTX SSDs
424 		 * 4k optimised & trim only works in 4k requests + 4k aligned
425 		 */
426 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" },
427 		/*quirks*/ADA_Q_4K
428 	},
429 	{
430 		/*
431 		 * Corsair Force GT & GS SSDs
432 		 * 4k optimised & trim only works in 4k requests + 4k aligned
433 		 */
434 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force G*", "*" },
435 		/*quirks*/ADA_Q_4K
436 	},
437 	{
438 		/*
439 		 * Crucial M4 SSDs
440 		 * 4k optimised & trim only works in 4k requests + 4k aligned
441 		 */
442 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "M4-CT???M4SSD2*", "*" },
443 		/*quirks*/ADA_Q_4K
444 	},
445 	{
446 		/*
447 		 * Crucial M500 SSDs MU07 firmware
448 		 * NCQ Trim works
449 		 */
450 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Crucial CT*M500*", "MU07" },
451 		/*quirks*/0
452 	},
453 	{
454 		/*
455 		 * Crucial M500 SSDs all other firmware
456 		 * NCQ Trim doesn't work
457 		 */
458 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Crucial CT*M500*", "*" },
459 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
460 	},
461 	{
462 		/*
463 		 * Crucial M550 SSDs
464 		 * NCQ Trim doesn't work, but only on MU01 firmware
465 		 */
466 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Crucial CT*M550*", "MU01" },
467 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
468 	},
469 	{
470 		/*
471 		 * Crucial MX100 SSDs
472 		 * NCQ Trim doesn't work, but only on MU01 firmware
473 		 */
474 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Crucial CT*MX100*", "MU01" },
475 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
476 	},
477 	{
478 		/*
479 		 * Crucial RealSSD C300 SSDs
480 		 * 4k optimised
481 		 */
482 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "C300-CTFDDAC???MAG*",
483 		"*" }, /*quirks*/ADA_Q_4K
484 	},
485 	{
486 		/*
487 		 * FCCT M500 SSDs
488 		 * NCQ Trim doesn't work
489 		 */
490 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "FCCT*M500*", "*" },
491 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
492 	},
493 	{
494 		/*
495 		 * Intel 320 Series SSDs
496 		 * 4k optimised & trim only works in 4k requests + 4k aligned
497 		 */
498 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2CW*", "*" },
499 		/*quirks*/ADA_Q_4K
500 	},
501 	{
502 		/*
503 		 * Intel 330 Series SSDs
504 		 * 4k optimised & trim only works in 4k requests + 4k aligned
505 		 */
506 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2CT*", "*" },
507 		/*quirks*/ADA_Q_4K
508 	},
509 	{
510 		/*
511 		 * Intel 510 Series SSDs
512 		 * 4k optimised & trim only works in 4k requests + 4k aligned
513 		 */
514 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2MH*", "*" },
515 		/*quirks*/ADA_Q_4K
516 	},
517 	{
518 		/*
519 		 * Intel 520 Series SSDs
520 		 * 4k optimised & trim only works in 4k requests + 4k aligned
521 		 */
522 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2BW*", "*" },
523 		/*quirks*/ADA_Q_4K
524 	},
525 	{
526 		/*
527 		 * Intel S3610 Series SSDs
528 		 * 4k optimised & trim only works in 4k requests + 4k aligned
529 		 */
530 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2BX*", "*" },
531 		/*quirks*/ADA_Q_4K
532 	},
533 	{
534 		/*
535 		 * Intel X25-M Series SSDs
536 		 * 4k optimised & trim only works in 4k requests + 4k aligned
537 		 */
538 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2M*", "*" },
539 		/*quirks*/ADA_Q_4K
540 	},
541 	{
542 		/*
543 		 * Kingston E100 Series SSDs
544 		 * 4k optimised & trim only works in 4k requests + 4k aligned
545 		 */
546 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SE100S3*", "*" },
547 		/*quirks*/ADA_Q_4K
548 	},
549 	{
550 		/*
551 		 * Kingston HyperX 3k SSDs
552 		 * 4k optimised & trim only works in 4k requests + 4k aligned
553 		 */
554 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SH103S3*", "*" },
555 		/*quirks*/ADA_Q_4K
556 	},
557 	{
558 		/*
559 		 * Marvell SSDs (entry taken from OpenSolaris)
560 		 * 4k optimised & trim only works in 4k requests + 4k aligned
561 		 */
562 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "MARVELL SD88SA02*", "*" },
563 		/*quirks*/ADA_Q_4K
564 	},
565 	{
566 		/*
567 		 * Micron M500 SSDs firmware MU07
568 		 * NCQ Trim works?
569 		 */
570 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Micron M500*", "MU07" },
571 		/*quirks*/0
572 	},
573 	{
574 		/*
575 		 * Micron M500 SSDs all other firmware
576 		 * NCQ Trim doesn't work
577 		 */
578 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Micron M500*", "*" },
579 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
580 	},
581 	{
582 		/*
583 		 * Micron M5[15]0 SSDs
584 		 * NCQ Trim doesn't work, but only MU01 firmware
585 		 */
586 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Micron M5[15]0*", "MU01" },
587 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
588 	},
589 	{
590 		/*
591 		 * Micron 5100 SSDs
592 		 * 4k optimised & trim only works in 4k requests + 4k aligned
593 		 */
594 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Micron 5100 MTFDDAK*", "*" },
595 		/*quirks*/ADA_Q_4K
596 	},
597 	{
598 		/*
599 		 * OCZ Agility 2 SSDs
600 		 * 4k optimised & trim only works in 4k requests + 4k aligned
601 		 */
602 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" },
603 		/*quirks*/ADA_Q_4K
604 	},
605 	{
606 		/*
607 		 * OCZ Agility 3 SSDs
608 		 * 4k optimised & trim only works in 4k requests + 4k aligned
609 		 */
610 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY3*", "*" },
611 		/*quirks*/ADA_Q_4K
612 	},
613 	{
614 		/*
615 		 * OCZ Deneva R Series SSDs
616 		 * 4k optimised & trim only works in 4k requests + 4k aligned
617 		 */
618 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "DENRSTE251M45*", "*" },
619 		/*quirks*/ADA_Q_4K
620 	},
621 	{
622 		/*
623 		 * OCZ Vertex 2 SSDs (inc pro series)
624 		 * 4k optimised & trim only works in 4k requests + 4k aligned
625 		 */
626 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ?VERTEX2*", "*" },
627 		/*quirks*/ADA_Q_4K
628 	},
629 	{
630 		/*
631 		 * OCZ Vertex 3 SSDs
632 		 * 4k optimised & trim only works in 4k requests + 4k aligned
633 		 */
634 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX3*", "*" },
635 		/*quirks*/ADA_Q_4K
636 	},
637 	{
638 		/*
639 		 * OCZ Vertex 4 SSDs
640 		 * 4k optimised & trim only works in 4k requests + 4k aligned
641 		 */
642 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX4*", "*" },
643 		/*quirks*/ADA_Q_4K
644 	},
645 	{
646 		/*
647 		 * Samsung 750 SSDs
648 		 * 4k optimised, NCQ TRIM seems to work
649 		 */
650 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 750*", "*" },
651 		/*quirks*/ADA_Q_4K
652 	},
653 	{
654 		/*
655 		 * Samsung 830 Series SSDs
656 		 * 4k optimised, NCQ TRIM Broken (normal TRIM is fine)
657 		 */
658 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG SSD 830 Series*", "*" },
659 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
660 	},
661 	{
662 		/*
663 		 * Samsung 840 SSDs
664 		 * 4k optimised, NCQ TRIM Broken (normal TRIM is fine)
665 		 */
666 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 840*", "*" },
667 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
668 	},
669 	{
670 		/*
671 		 * Samsung 845 SSDs
672 		 * 4k optimised, NCQ TRIM Broken (normal TRIM is fine)
673 		 */
674 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 845*", "*" },
675 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
676 	},
677 	{
678 		/*
679 		 * Samsung 850 SSDs
680 		 * 4k optimised, NCQ TRIM broken (normal TRIM fine)
681 		 */
682 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 850*", "*" },
683 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
684 	},
685 	{
686 		/*
687 		 * Samsung SM863 Series SSDs (MZ7KM*)
688 		 * 4k optimised, NCQ believed to be working
689 		 */
690 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG MZ7KM*", "*" },
691 		/*quirks*/ADA_Q_4K
692 	},
693 	{
694 		/*
695 		 * Samsung 843T Series SSDs (MZ7WD*)
696 		 * Samsung PM851 Series SSDs (MZ7TE*)
697 		 * Samsung PM853T Series SSDs (MZ7GE*)
698 		 * 4k optimised, NCQ believed to be broken since these are
699 		 * appear to be built with the same controllers as the 840/850.
700 		 */
701 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG MZ7*", "*" },
702 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
703 	},
704 	{
705 		/*
706 		 * Same as for SAMSUNG MZ7* but enable the quirks for SSD
707 		 * starting with MZ7* too
708 		 */
709 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "MZ7*", "*" },
710 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
711 	},
712 	{
713 		/*
714 		 * Samsung PM851 Series SSDs Dell OEM
715 		 * device model          "SAMSUNG SSD PM851 mSATA 256GB"
716 		 * 4k optimised, NCQ broken
717 		 */
718 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG SSD PM851*", "*" },
719 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
720 	},
721 	{
722 		/*
723 		 * SuperTalent TeraDrive CT SSDs
724 		 * 4k optimised & trim only works in 4k requests + 4k aligned
725 		 */
726 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "FTM??CT25H*", "*" },
727 		/*quirks*/ADA_Q_4K
728 	},
729 	{
730 		/*
731 		 * XceedIOPS SATA SSDs
732 		 * 4k optimised
733 		 */
734 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SG9XCS2D*", "*" },
735 		/*quirks*/ADA_Q_4K
736 	},
737 	{
738 		/*
739 		 * Samsung drive that doesn't support READ LOG EXT or
740 		 * READ LOG DMA EXT, despite reporting that it does in
741 		 * ATA identify data:
742 		 * SAMSUNG HD200HJ KF100-06
743 		 */
744 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD200*", "*" },
745 		/*quirks*/ADA_Q_LOG_BROKEN
746 	},
747 	{
748 		/*
749 		 * Samsung drive that doesn't support READ LOG EXT or
750 		 * READ LOG DMA EXT, despite reporting that it does in
751 		 * ATA identify data:
752 		 * SAMSUNG HD501LJ CR100-10
753 		 */
754 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD501*", "*" },
755 		/*quirks*/ADA_Q_LOG_BROKEN
756 	},
757 	{
758 		/*
759 		 * Seagate Lamarr 8TB Shingled Magnetic Recording (SMR)
760 		 * Drive Managed SATA hard drive.  This drive doesn't report
761 		 * in firmware that it is a drive managed SMR drive.
762 		 */
763 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST8000AS000[23]*", "*" },
764 		/*quirks*/ADA_Q_SMR_DM
765 	},
766 	{
767 		/* Default */
768 		{
769 		  T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED,
770 		  /*vendor*/"*", /*product*/"*", /*revision*/"*"
771 		},
772 		/*quirks*/0
773 	},
774 };
775 
776 static	disk_strategy_t	adastrategy;
777 static	dumper_t	adadump;
778 static	periph_init_t	adainit;
779 static	void		adadiskgonecb(struct disk *dp);
780 static	periph_oninv_t	adaoninvalidate;
781 static	periph_dtor_t	adacleanup;
782 static	void		adaasync(void *callback_arg, u_int32_t code,
783 				struct cam_path *path, void *arg);
784 static	int		adazonemodesysctl(SYSCTL_HANDLER_ARGS);
785 static	int		adazonesupsysctl(SYSCTL_HANDLER_ARGS);
786 static	void		adasysctlinit(void *context, int pending);
787 static	int		adagetattr(struct bio *bp);
788 static	void		adasetflags(struct ada_softc *softc,
789 				    struct ccb_getdev *cgd);
790 static	periph_ctor_t	adaregister;
791 static	void		ada_dsmtrim(struct ada_softc *softc, struct bio *bp,
792 				    struct ccb_ataio *ataio);
793 static	void 		ada_cfaerase(struct ada_softc *softc, struct bio *bp,
794 				     struct ccb_ataio *ataio);
795 static	int		ada_zone_bio_to_ata(int disk_zone_cmd);
796 static	int		ada_zone_cmd(struct cam_periph *periph, union ccb *ccb,
797 				     struct bio *bp, int *queue_ccb);
798 static	periph_start_t	adastart;
799 static	void		adaprobedone(struct cam_periph *periph, union ccb *ccb);
800 static	void		adazonedone(struct cam_periph *periph, union ccb *ccb);
801 static	void		adadone(struct cam_periph *periph,
802 			       union ccb *done_ccb);
803 static  int		adaerror(union ccb *ccb, u_int32_t cam_flags,
804 				u_int32_t sense_flags);
805 static void		adagetparams(struct cam_periph *periph,
806 				struct ccb_getdev *cgd);
807 static timeout_t	adasendorderedtag;
808 static void		adashutdown(void *arg, int howto);
809 static void		adasuspend(void *arg);
810 static void		adaresume(void *arg);
811 
812 #ifndef ADA_DEFAULT_TIMEOUT
813 #define ADA_DEFAULT_TIMEOUT 30	/* Timeout in seconds */
814 #endif
815 
816 #ifndef	ADA_DEFAULT_RETRY
817 #define	ADA_DEFAULT_RETRY	4
818 #endif
819 
820 #ifndef	ADA_DEFAULT_SEND_ORDERED
821 #define	ADA_DEFAULT_SEND_ORDERED	1
822 #endif
823 
824 #ifndef	ADA_DEFAULT_SPINDOWN_SHUTDOWN
825 #define	ADA_DEFAULT_SPINDOWN_SHUTDOWN	1
826 #endif
827 
828 #ifndef	ADA_DEFAULT_SPINDOWN_SUSPEND
829 #define	ADA_DEFAULT_SPINDOWN_SUSPEND	1
830 #endif
831 
832 #ifndef	ADA_DEFAULT_READ_AHEAD
833 #define	ADA_DEFAULT_READ_AHEAD	1
834 #endif
835 
836 #ifndef	ADA_DEFAULT_WRITE_CACHE
837 #define	ADA_DEFAULT_WRITE_CACHE	1
838 #endif
839 
840 #define	ADA_RA	(softc->read_ahead >= 0 ? \
841 		 softc->read_ahead : ada_read_ahead)
842 #define	ADA_WC	(softc->write_cache >= 0 ? \
843 		 softc->write_cache : ada_write_cache)
844 
845 /*
846  * Most platforms map firmware geometry to actual, but some don't.  If
847  * not overridden, default to nothing.
848  */
849 #ifndef ata_disk_firmware_geom_adjust
850 #define	ata_disk_firmware_geom_adjust(disk)
851 #endif
852 
853 static int ada_retry_count = ADA_DEFAULT_RETRY;
854 static int ada_default_timeout = ADA_DEFAULT_TIMEOUT;
855 static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED;
856 static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN;
857 static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND;
858 static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD;
859 static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE;
860 
861 static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD, 0,
862             "CAM Direct Access Disk driver");
863 SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RWTUN,
864            &ada_retry_count, 0, "Normal I/O retry count");
865 SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RWTUN,
866            &ada_default_timeout, 0, "Normal I/O timeout (in seconds)");
867 SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RWTUN,
868            &ada_send_ordered, 0, "Send Ordered Tags");
869 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RWTUN,
870            &ada_spindown_shutdown, 0, "Spin down upon shutdown");
871 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RWTUN,
872            &ada_spindown_suspend, 0, "Spin down upon suspend");
873 SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RWTUN,
874            &ada_read_ahead, 0, "Enable disk read-ahead");
875 SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RWTUN,
876            &ada_write_cache, 0, "Enable disk write cache");
877 
878 /*
879  * ADA_ORDEREDTAG_INTERVAL determines how often, relative
880  * to the default timeout, we check to see whether an ordered
881  * tagged transaction is appropriate to prevent simple tag
882  * starvation.  Since we'd like to ensure that there is at least
883  * 1/2 of the timeout length left for a starved transaction to
884  * complete after we've sent an ordered tag, we must poll at least
885  * four times in every timeout period.  This takes care of the worst
886  * case where a starved transaction starts during an interval that
887  * meets the requirement "don't send an ordered tag" test so it takes
888  * us two intervals to determine that a tag must be sent.
889  */
890 #ifndef ADA_ORDEREDTAG_INTERVAL
891 #define ADA_ORDEREDTAG_INTERVAL 4
892 #endif
893 
894 static struct periph_driver adadriver =
895 {
896 	adainit, "ada",
897 	TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0
898 };
899 
900 static int adadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
901 
902 PERIPHDRIVER_DECLARE(ada, adadriver);
903 
904 static MALLOC_DEFINE(M_ATADA, "ata_da", "ata_da buffers");
905 
906 static int
907 adaopen(struct disk *dp)
908 {
909 	struct cam_periph *periph;
910 	struct ada_softc *softc;
911 	int error;
912 
913 	periph = (struct cam_periph *)dp->d_drv1;
914 	if (cam_periph_acquire(periph) != 0) {
915 		return(ENXIO);
916 	}
917 
918 	cam_periph_lock(periph);
919 	if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) {
920 		cam_periph_unlock(periph);
921 		cam_periph_release(periph);
922 		return (error);
923 	}
924 
925 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
926 	    ("adaopen\n"));
927 
928 	softc = (struct ada_softc *)periph->softc;
929 	softc->flags |= ADA_FLAG_OPEN;
930 
931 	cam_periph_unhold(periph);
932 	cam_periph_unlock(periph);
933 	return (0);
934 }
935 
936 static int
937 adaclose(struct disk *dp)
938 {
939 	struct	cam_periph *periph;
940 	struct	ada_softc *softc;
941 	union ccb *ccb;
942 	int error;
943 
944 	periph = (struct cam_periph *)dp->d_drv1;
945 	softc = (struct ada_softc *)periph->softc;
946 	cam_periph_lock(periph);
947 
948 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
949 	    ("adaclose\n"));
950 
951 	/* We only sync the cache if the drive is capable of it. */
952 	if ((softc->flags & ADA_FLAG_DIRTY) != 0 &&
953 	    (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 &&
954 	    (periph->flags & CAM_PERIPH_INVALID) == 0 &&
955 	    cam_periph_hold(periph, PRIBIO) == 0) {
956 
957 		ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
958 		cam_fill_ataio(&ccb->ataio,
959 				    1,
960 				    NULL,
961 				    CAM_DIR_NONE,
962 				    0,
963 				    NULL,
964 				    0,
965 				    ada_default_timeout*1000);
966 
967 		if (softc->flags & ADA_FLAG_CAN_48BIT)
968 			ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0);
969 		else
970 			ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0);
971 		error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0,
972 		    /*sense_flags*/0, softc->disk->d_devstat);
973 
974 		if (error != 0)
975 			xpt_print(periph->path, "Synchronize cache failed\n");
976 		softc->flags &= ~ADA_FLAG_DIRTY;
977 		xpt_release_ccb(ccb);
978 		cam_periph_unhold(periph);
979 	}
980 
981 	softc->flags &= ~ADA_FLAG_OPEN;
982 
983 	while (softc->refcount != 0)
984 		cam_periph_sleep(periph, &softc->refcount, PRIBIO, "adaclose", 1);
985 	cam_periph_unlock(periph);
986 	cam_periph_release(periph);
987 	return (0);
988 }
989 
990 static void
991 adaschedule(struct cam_periph *periph)
992 {
993 	struct ada_softc *softc = (struct ada_softc *)periph->softc;
994 
995 	if (softc->state != ADA_STATE_NORMAL)
996 		return;
997 
998 	cam_iosched_schedule(softc->cam_iosched, periph);
999 }
1000 
1001 /*
1002  * Actually translate the requested transfer into one the physical driver
1003  * can understand.  The transfer is described by a buf and will include
1004  * only one physical transfer.
1005  */
1006 static void
1007 adastrategy(struct bio *bp)
1008 {
1009 	struct cam_periph *periph;
1010 	struct ada_softc *softc;
1011 
1012 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1013 	softc = (struct ada_softc *)periph->softc;
1014 
1015 	cam_periph_lock(periph);
1016 
1017 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp));
1018 
1019 	/*
1020 	 * If the device has been made invalid, error out
1021 	 */
1022 	if ((periph->flags & CAM_PERIPH_INVALID) != 0) {
1023 		cam_periph_unlock(periph);
1024 		biofinish(bp, NULL, ENXIO);
1025 		return;
1026 	}
1027 
1028 	/*
1029 	 * Zone commands must be ordered, because they can depend on the
1030 	 * effects of previously issued commands, and they may affect
1031 	 * commands after them.
1032 	 */
1033 	if (bp->bio_cmd == BIO_ZONE)
1034 		bp->bio_flags |= BIO_ORDERED;
1035 
1036 	/*
1037 	 * Place it in the queue of disk activities for this disk
1038 	 */
1039 	cam_iosched_queue_work(softc->cam_iosched, bp);
1040 
1041 	/*
1042 	 * Schedule ourselves for performing the work.
1043 	 */
1044 	adaschedule(periph);
1045 	cam_periph_unlock(periph);
1046 
1047 	return;
1048 }
1049 
1050 static int
1051 adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1052 {
1053 	struct	    cam_periph *periph;
1054 	struct	    ada_softc *softc;
1055 	u_int	    secsize;
1056 	struct	    ccb_ataio ataio;
1057 	struct	    disk *dp;
1058 	uint64_t    lba;
1059 	uint16_t    count;
1060 	int	    error = 0;
1061 
1062 	dp = arg;
1063 	periph = dp->d_drv1;
1064 	softc = (struct ada_softc *)periph->softc;
1065 	secsize = softc->params.secsize;
1066 	lba = offset / secsize;
1067 	count = length / secsize;
1068 
1069 	if ((periph->flags & CAM_PERIPH_INVALID) != 0)
1070 		return (ENXIO);
1071 
1072 	memset(&ataio, 0, sizeof(ataio));
1073 	if (length > 0) {
1074 		xpt_setup_ccb(&ataio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1075 		ataio.ccb_h.ccb_state = ADA_CCB_DUMP;
1076 		cam_fill_ataio(&ataio,
1077 		    0,
1078 		    NULL,
1079 		    CAM_DIR_OUT,
1080 		    0,
1081 		    (u_int8_t *) virtual,
1082 		    length,
1083 		    ada_default_timeout*1000);
1084 		if ((softc->flags & ADA_FLAG_CAN_48BIT) &&
1085 		    (lba + count >= ATA_MAX_28BIT_LBA ||
1086 		    count >= 256)) {
1087 			ata_48bit_cmd(&ataio, ATA_WRITE_DMA48,
1088 			    0, lba, count);
1089 		} else {
1090 			ata_28bit_cmd(&ataio, ATA_WRITE_DMA,
1091 			    0, lba, count);
1092 		}
1093 		error = cam_periph_runccb((union ccb *)&ataio, adaerror,
1094 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1095 		if (error != 0)
1096 			printf("Aborting dump due to I/O error.\n");
1097 
1098 		return (error);
1099 	}
1100 
1101 	if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) {
1102 		xpt_setup_ccb(&ataio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1103 
1104 		/*
1105 		 * Tell the drive to flush its internal cache. if we
1106 		 * can't flush in 5s we have big problems. No need to
1107 		 * wait the default 60s to detect problems.
1108 		 */
1109 		ataio.ccb_h.ccb_state = ADA_CCB_DUMP;
1110 		cam_fill_ataio(&ataio,
1111 				    0,
1112 				    NULL,
1113 				    CAM_DIR_NONE,
1114 				    0,
1115 				    NULL,
1116 				    0,
1117 				    5*1000);
1118 
1119 		if (softc->flags & ADA_FLAG_CAN_48BIT)
1120 			ata_48bit_cmd(&ataio, ATA_FLUSHCACHE48, 0, 0, 0);
1121 		else
1122 			ata_28bit_cmd(&ataio, ATA_FLUSHCACHE, 0, 0, 0);
1123 		error = cam_periph_runccb((union ccb *)&ataio, adaerror,
1124 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1125 		if (error != 0)
1126 			xpt_print(periph->path, "Synchronize cache failed\n");
1127 	}
1128 	return (error);
1129 }
1130 
1131 static void
1132 adainit(void)
1133 {
1134 	cam_status status;
1135 
1136 	/*
1137 	 * Install a global async callback.  This callback will
1138 	 * receive async callbacks like "new device found".
1139 	 */
1140 	status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL);
1141 
1142 	if (status != CAM_REQ_CMP) {
1143 		printf("ada: Failed to attach master async callback "
1144 		       "due to status 0x%x!\n", status);
1145 	} else if (ada_send_ordered) {
1146 
1147 		/* Register our event handlers */
1148 		if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend,
1149 					   NULL, EVENTHANDLER_PRI_LAST)) == NULL)
1150 		    printf("adainit: power event registration failed!\n");
1151 		if ((EVENTHANDLER_REGISTER(power_resume, adaresume,
1152 					   NULL, EVENTHANDLER_PRI_LAST)) == NULL)
1153 		    printf("adainit: power event registration failed!\n");
1154 		if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown,
1155 					   NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1156 		    printf("adainit: shutdown event registration failed!\n");
1157 	}
1158 }
1159 
1160 /*
1161  * Callback from GEOM, called when it has finished cleaning up its
1162  * resources.
1163  */
1164 static void
1165 adadiskgonecb(struct disk *dp)
1166 {
1167 	struct cam_periph *periph;
1168 
1169 	periph = (struct cam_periph *)dp->d_drv1;
1170 
1171 	cam_periph_release(periph);
1172 }
1173 
1174 static void
1175 adaoninvalidate(struct cam_periph *periph)
1176 {
1177 	struct ada_softc *softc;
1178 
1179 	softc = (struct ada_softc *)periph->softc;
1180 
1181 	/*
1182 	 * De-register any async callbacks.
1183 	 */
1184 	xpt_register_async(0, adaasync, periph, periph->path);
1185 #ifdef CAM_IO_STATS
1186 	softc->invalidations++;
1187 #endif
1188 
1189 	/*
1190 	 * Return all queued I/O with ENXIO.
1191 	 * XXX Handle any transactions queued to the card
1192 	 *     with XPT_ABORT_CCB.
1193 	 */
1194 	cam_iosched_flush(softc->cam_iosched, NULL, ENXIO);
1195 
1196 	disk_gone(softc->disk);
1197 }
1198 
1199 static void
1200 adacleanup(struct cam_periph *periph)
1201 {
1202 	struct ada_softc *softc;
1203 
1204 	softc = (struct ada_softc *)periph->softc;
1205 
1206 	cam_periph_unlock(periph);
1207 
1208 	cam_iosched_fini(softc->cam_iosched);
1209 
1210 	/*
1211 	 * If we can't free the sysctl tree, oh well...
1212 	 */
1213 	if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0) {
1214 #ifdef CAM_IO_STATS
1215 		if (sysctl_ctx_free(&softc->sysctl_stats_ctx) != 0)
1216 			xpt_print(periph->path,
1217 			    "can't remove sysctl stats context\n");
1218 #endif
1219 		if (sysctl_ctx_free(&softc->sysctl_ctx) != 0)
1220 			xpt_print(periph->path,
1221 			    "can't remove sysctl context\n");
1222 	}
1223 
1224 	disk_destroy(softc->disk);
1225 	callout_drain(&softc->sendordered_c);
1226 	free(softc, M_DEVBUF);
1227 	cam_periph_lock(periph);
1228 }
1229 
1230 static void
1231 adasetdeletemethod(struct ada_softc *softc)
1232 {
1233 
1234 	if (softc->flags & ADA_FLAG_CAN_NCQ_TRIM)
1235 		softc->delete_method = ADA_DELETE_NCQ_DSM_TRIM;
1236 	else if (softc->flags & ADA_FLAG_CAN_TRIM)
1237 		softc->delete_method = ADA_DELETE_DSM_TRIM;
1238 	else if ((softc->flags & ADA_FLAG_CAN_CFA) && !(softc->flags & ADA_FLAG_CAN_48BIT))
1239 		softc->delete_method = ADA_DELETE_CFA_ERASE;
1240 	else
1241 		softc->delete_method = ADA_DELETE_NONE;
1242 }
1243 
1244 static void
1245 adaasync(void *callback_arg, u_int32_t code,
1246 	struct cam_path *path, void *arg)
1247 {
1248 	struct ccb_getdev cgd;
1249 	struct cam_periph *periph;
1250 	struct ada_softc *softc;
1251 
1252 	periph = (struct cam_periph *)callback_arg;
1253 	switch (code) {
1254 	case AC_FOUND_DEVICE:
1255 	{
1256 		struct ccb_getdev *cgd;
1257 		cam_status status;
1258 
1259 		cgd = (struct ccb_getdev *)arg;
1260 		if (cgd == NULL)
1261 			break;
1262 
1263 		if (cgd->protocol != PROTO_ATA)
1264 			break;
1265 
1266 		/*
1267 		 * Allocate a peripheral instance for
1268 		 * this device and start the probe
1269 		 * process.
1270 		 */
1271 		status = cam_periph_alloc(adaregister, adaoninvalidate,
1272 					  adacleanup, adastart,
1273 					  "ada", CAM_PERIPH_BIO,
1274 					  path, adaasync,
1275 					  AC_FOUND_DEVICE, cgd);
1276 
1277 		if (status != CAM_REQ_CMP
1278 		 && status != CAM_REQ_INPROG)
1279 			printf("adaasync: Unable to attach to new device "
1280 				"due to status 0x%x\n", status);
1281 		break;
1282 	}
1283 	case AC_GETDEV_CHANGED:
1284 	{
1285 		softc = (struct ada_softc *)periph->softc;
1286 		xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1287 		cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1288 		xpt_action((union ccb *)&cgd);
1289 
1290 		/*
1291 		 * Set/clear support flags based on the new Identify data.
1292 		 */
1293 		adasetflags(softc, &cgd);
1294 
1295 		cam_periph_async(periph, code, path, arg);
1296 		break;
1297 	}
1298 	case AC_ADVINFO_CHANGED:
1299 	{
1300 		uintptr_t buftype;
1301 
1302 		buftype = (uintptr_t)arg;
1303 		if (buftype == CDAI_TYPE_PHYS_PATH) {
1304 			struct ada_softc *softc;
1305 
1306 			softc = periph->softc;
1307 			disk_attr_changed(softc->disk, "GEOM::physpath",
1308 					  M_NOWAIT);
1309 		}
1310 		break;
1311 	}
1312 	case AC_SENT_BDR:
1313 	case AC_BUS_RESET:
1314 	{
1315 		softc = (struct ada_softc *)periph->softc;
1316 		cam_periph_async(periph, code, path, arg);
1317 		if (softc->state != ADA_STATE_NORMAL)
1318 			break;
1319 		xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1320 		cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1321 		xpt_action((union ccb *)&cgd);
1322 		if (ADA_RA >= 0 && softc->flags & ADA_FLAG_CAN_RAHEAD)
1323 			softc->state = ADA_STATE_RAHEAD;
1324 		else if (ADA_WC >= 0 && softc->flags & ADA_FLAG_CAN_WCACHE)
1325 			softc->state = ADA_STATE_WCACHE;
1326 		else if ((softc->flags & ADA_FLAG_CAN_LOG)
1327 		      && (softc->zone_mode != ADA_ZONE_NONE))
1328 			softc->state = ADA_STATE_LOGDIR;
1329 		else
1330 		    break;
1331 		if (cam_periph_acquire(periph) != 0)
1332 			softc->state = ADA_STATE_NORMAL;
1333 		else
1334 			xpt_schedule(periph, CAM_PRIORITY_DEV);
1335 	}
1336 	default:
1337 		cam_periph_async(periph, code, path, arg);
1338 		break;
1339 	}
1340 }
1341 
1342 static int
1343 adazonemodesysctl(SYSCTL_HANDLER_ARGS)
1344 {
1345 	char tmpbuf[40];
1346 	struct ada_softc *softc;
1347 	int error;
1348 
1349 	softc = (struct ada_softc *)arg1;
1350 
1351 	switch (softc->zone_mode) {
1352 	case ADA_ZONE_DRIVE_MANAGED:
1353 		snprintf(tmpbuf, sizeof(tmpbuf), "Drive Managed");
1354 		break;
1355 	case ADA_ZONE_HOST_AWARE:
1356 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Aware");
1357 		break;
1358 	case ADA_ZONE_HOST_MANAGED:
1359 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Managed");
1360 		break;
1361 	case ADA_ZONE_NONE:
1362 	default:
1363 		snprintf(tmpbuf, sizeof(tmpbuf), "Not Zoned");
1364 		break;
1365 	}
1366 
1367 	error = sysctl_handle_string(oidp, tmpbuf, sizeof(tmpbuf), req);
1368 
1369 	return (error);
1370 }
1371 
1372 static int
1373 adazonesupsysctl(SYSCTL_HANDLER_ARGS)
1374 {
1375 	char tmpbuf[180];
1376 	struct ada_softc *softc;
1377 	struct sbuf sb;
1378 	int error, first;
1379 	unsigned int i;
1380 
1381 	softc = (struct ada_softc *)arg1;
1382 
1383 	error = 0;
1384 	first = 1;
1385 	sbuf_new(&sb, tmpbuf, sizeof(tmpbuf), 0);
1386 
1387 	for (i = 0; i < sizeof(ada_zone_desc_table) /
1388 	     sizeof(ada_zone_desc_table[0]); i++) {
1389 		if (softc->zone_flags & ada_zone_desc_table[i].value) {
1390 			if (first == 0)
1391 				sbuf_printf(&sb, ", ");
1392 			else
1393 				first = 0;
1394 			sbuf_cat(&sb, ada_zone_desc_table[i].desc);
1395 		}
1396 	}
1397 
1398 	if (first == 1)
1399 		sbuf_printf(&sb, "None");
1400 
1401 	sbuf_finish(&sb);
1402 
1403 	error = sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
1404 
1405 	return (error);
1406 }
1407 
1408 
1409 static void
1410 adasysctlinit(void *context, int pending)
1411 {
1412 	struct cam_periph *periph;
1413 	struct ada_softc *softc;
1414 	char tmpstr[32], tmpstr2[16];
1415 
1416 	periph = (struct cam_periph *)context;
1417 
1418 	/* periph was held for us when this task was enqueued */
1419 	if ((periph->flags & CAM_PERIPH_INVALID) != 0) {
1420 		cam_periph_release(periph);
1421 		return;
1422 	}
1423 
1424 	softc = (struct ada_softc *)periph->softc;
1425 	snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d",periph->unit_number);
1426 	snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1427 
1428 	sysctl_ctx_init(&softc->sysctl_ctx);
1429 	softc->flags |= ADA_FLAG_SCTX_INIT;
1430 	softc->sysctl_tree = SYSCTL_ADD_NODE_WITH_LABEL(&softc->sysctl_ctx,
1431 		SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2,
1432 		CTLFLAG_RD, 0, tmpstr, "device_index");
1433 	if (softc->sysctl_tree == NULL) {
1434 		printf("adasysctlinit: unable to allocate sysctl tree\n");
1435 		cam_periph_release(periph);
1436 		return;
1437 	}
1438 
1439 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1440 		OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RW,
1441 		softc, 0, adadeletemethodsysctl, "A",
1442 		"BIO_DELETE execution method");
1443 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1444 		OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE,
1445 		&softc->read_ahead, 0, "Enable disk read ahead.");
1446 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1447 		OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE,
1448 		&softc->write_cache, 0, "Enable disk write cache.");
1449 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1450 		OID_AUTO, "unmapped_io", CTLFLAG_RD | CTLFLAG_MPSAFE,
1451 		&softc->unmappedio, 0, "Unmapped I/O leaf");
1452 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1453 		OID_AUTO, "rotating", CTLFLAG_RD | CTLFLAG_MPSAFE,
1454 		&softc->rotating, 0, "Rotating media");
1455 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1456 		OID_AUTO, "zone_mode", CTLTYPE_STRING | CTLFLAG_RD,
1457 		softc, 0, adazonemodesysctl, "A",
1458 		"Zone Mode");
1459 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1460 		OID_AUTO, "zone_support", CTLTYPE_STRING | CTLFLAG_RD,
1461 		softc, 0, adazonesupsysctl, "A",
1462 		"Zone Support");
1463 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1464 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1465 		"optimal_seq_zones", CTLFLAG_RD, &softc->optimal_seq_zones,
1466 		"Optimal Number of Open Sequential Write Preferred Zones");
1467 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1468 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1469 		"optimal_nonseq_zones", CTLFLAG_RD,
1470 		&softc->optimal_nonseq_zones,
1471 		"Optimal Number of Non-Sequentially Written Sequential Write "
1472 		"Preferred Zones");
1473 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1474 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1475 		"max_seq_zones", CTLFLAG_RD, &softc->max_seq_zones,
1476 		"Maximum Number of Open Sequential Write Required Zones");
1477 
1478 #ifdef CAM_TEST_FAILURE
1479 	/*
1480 	 * Add a 'door bell' sysctl which allows one to set it from userland
1481 	 * and cause something bad to happen.  For the moment, we only allow
1482 	 * whacking the next read or write.
1483 	 */
1484 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1485 		OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE,
1486 		&softc->force_read_error, 0,
1487 		"Force a read error for the next N reads.");
1488 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1489 		OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE,
1490 		&softc->force_write_error, 0,
1491 		"Force a write error for the next N writes.");
1492 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1493 		OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE,
1494 		&softc->periodic_read_error, 0,
1495 		"Force a read error every N reads (don't set too low).");
1496 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1497 		OID_AUTO, "invalidate", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE,
1498 		periph, 0, cam_periph_invalidate_sysctl, "I",
1499 		"Write 1 to invalidate the drive immediately");
1500 #endif
1501 
1502 #ifdef CAM_IO_STATS
1503 	softc->sysctl_stats_tree = SYSCTL_ADD_NODE(&softc->sysctl_stats_ctx,
1504 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "stats",
1505 		CTLFLAG_RD, 0, "Statistics");
1506 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
1507 		SYSCTL_CHILDREN(softc->sysctl_stats_tree),
1508 		OID_AUTO, "timeouts", CTLFLAG_RD | CTLFLAG_MPSAFE,
1509 		&softc->timeouts, 0,
1510 		"Device timeouts reported by the SIM");
1511 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
1512 		SYSCTL_CHILDREN(softc->sysctl_stats_tree),
1513 		OID_AUTO, "errors", CTLFLAG_RD | CTLFLAG_MPSAFE,
1514 		&softc->errors, 0,
1515 		"Transport errors reported by the SIM.");
1516 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
1517 		SYSCTL_CHILDREN(softc->sysctl_stats_tree),
1518 		OID_AUTO, "pack_invalidations", CTLFLAG_RD | CTLFLAG_MPSAFE,
1519 		&softc->invalidations, 0,
1520 		"Device pack invalidations.");
1521 #endif
1522 
1523 	cam_iosched_sysctl_init(softc->cam_iosched, &softc->sysctl_ctx,
1524 	    softc->sysctl_tree);
1525 
1526 	cam_periph_release(periph);
1527 }
1528 
1529 static int
1530 adagetattr(struct bio *bp)
1531 {
1532 	int ret;
1533 	struct cam_periph *periph;
1534 
1535 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1536 	cam_periph_lock(periph);
1537 	ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1538 	    periph->path);
1539 	cam_periph_unlock(periph);
1540 	if (ret == 0)
1541 		bp->bio_completed = bp->bio_length;
1542 	return ret;
1543 }
1544 
1545 static int
1546 adadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
1547 {
1548 	char buf[16];
1549 	const char *p;
1550 	struct ada_softc *softc;
1551 	int i, error, value, methods;
1552 
1553 	softc = (struct ada_softc *)arg1;
1554 
1555 	value = softc->delete_method;
1556 	if (value < 0 || value > ADA_DELETE_MAX)
1557 		p = "UNKNOWN";
1558 	else
1559 		p = ada_delete_method_names[value];
1560 	strncpy(buf, p, sizeof(buf));
1561 	error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
1562 	if (error != 0 || req->newptr == NULL)
1563 		return (error);
1564 	methods = 1 << ADA_DELETE_DISABLE;
1565 	if ((softc->flags & ADA_FLAG_CAN_CFA) &&
1566 	    !(softc->flags & ADA_FLAG_CAN_48BIT))
1567 		methods |= 1 << ADA_DELETE_CFA_ERASE;
1568 	if (softc->flags & ADA_FLAG_CAN_TRIM)
1569 		methods |= 1 << ADA_DELETE_DSM_TRIM;
1570 	if (softc->flags & ADA_FLAG_CAN_NCQ_TRIM)
1571 		methods |= 1 << ADA_DELETE_NCQ_DSM_TRIM;
1572 	for (i = 0; i <= ADA_DELETE_MAX; i++) {
1573 		if (!(methods & (1 << i)) ||
1574 		    strcmp(buf, ada_delete_method_names[i]) != 0)
1575 			continue;
1576 		softc->delete_method = i;
1577 		return (0);
1578 	}
1579 	return (EINVAL);
1580 }
1581 
1582 static void
1583 adasetflags(struct ada_softc *softc, struct ccb_getdev *cgd)
1584 {
1585 	if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) &&
1586 	    (cgd->inq_flags & SID_DMA))
1587 		softc->flags |= ADA_FLAG_CAN_DMA;
1588 	else
1589 		softc->flags &= ~ADA_FLAG_CAN_DMA;
1590 
1591 	if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) {
1592 		softc->flags |= ADA_FLAG_CAN_48BIT;
1593 		if (cgd->inq_flags & SID_DMA48)
1594 			softc->flags |= ADA_FLAG_CAN_DMA48;
1595 		else
1596 			softc->flags &= ~ADA_FLAG_CAN_DMA48;
1597 	} else
1598 		softc->flags &= ~(ADA_FLAG_CAN_48BIT | ADA_FLAG_CAN_DMA48);
1599 
1600 	if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE)
1601 		softc->flags |= ADA_FLAG_CAN_FLUSHCACHE;
1602 	else
1603 		softc->flags &= ~ADA_FLAG_CAN_FLUSHCACHE;
1604 
1605 	if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT)
1606 		softc->flags |= ADA_FLAG_CAN_POWERMGT;
1607 	else
1608 		softc->flags &= ~ADA_FLAG_CAN_POWERMGT;
1609 
1610 	if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) &&
1611 	    (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue))
1612 		softc->flags |= ADA_FLAG_CAN_NCQ;
1613 	else
1614 		softc->flags &= ~ADA_FLAG_CAN_NCQ;
1615 
1616 	if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) &&
1617 	    (cgd->inq_flags & SID_DMA)) {
1618 		softc->flags |= ADA_FLAG_CAN_TRIM;
1619 		softc->trim_max_ranges = TRIM_MAX_RANGES;
1620 		if (cgd->ident_data.max_dsm_blocks != 0) {
1621 			softc->trim_max_ranges =
1622 			    min(cgd->ident_data.max_dsm_blocks *
1623 				ATA_DSM_BLK_RANGES, softc->trim_max_ranges);
1624 		}
1625 		/*
1626 		 * If we can do RCVSND_FPDMA_QUEUED commands, we may be able
1627 		 * to do NCQ trims, if we support trims at all. We also need
1628 		 * support from the SIM to do things properly. Perhaps we
1629 		 * should look at log 13 dword 0 bit 0 and dword 1 bit 0 are
1630 		 * set too...
1631 		 */
1632 		if ((softc->quirks & ADA_Q_NCQ_TRIM_BROKEN) == 0 &&
1633 		    (softc->flags & ADA_FLAG_PIM_ATA_EXT) != 0 &&
1634 		    (cgd->ident_data.satacapabilities2 &
1635 		     ATA_SUPPORT_RCVSND_FPDMA_QUEUED) != 0 &&
1636 		    (softc->flags & ADA_FLAG_CAN_TRIM) != 0)
1637 			softc->flags |= ADA_FLAG_CAN_NCQ_TRIM;
1638 		else
1639 			softc->flags &= ~ADA_FLAG_CAN_NCQ_TRIM;
1640 	} else
1641 		softc->flags &= ~(ADA_FLAG_CAN_TRIM | ADA_FLAG_CAN_NCQ_TRIM);
1642 
1643 	if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA)
1644 		softc->flags |= ADA_FLAG_CAN_CFA;
1645 	else
1646 		softc->flags &= ~ADA_FLAG_CAN_CFA;
1647 
1648 	/*
1649 	 * Now that we've set the appropriate flags, setup the delete
1650 	 * method.
1651 	 */
1652 	adasetdeletemethod(softc);
1653 
1654 	if ((cgd->ident_data.support.extension & ATA_SUPPORT_GENLOG)
1655 	 && ((softc->quirks & ADA_Q_LOG_BROKEN) == 0))
1656 		softc->flags |= ADA_FLAG_CAN_LOG;
1657 	else
1658 		softc->flags &= ~ADA_FLAG_CAN_LOG;
1659 
1660 	if ((cgd->ident_data.support3 & ATA_SUPPORT_ZONE_MASK) ==
1661 	     ATA_SUPPORT_ZONE_HOST_AWARE)
1662 		softc->zone_mode = ADA_ZONE_HOST_AWARE;
1663 	else if (((cgd->ident_data.support3 & ATA_SUPPORT_ZONE_MASK) ==
1664 		   ATA_SUPPORT_ZONE_DEV_MANAGED)
1665 	      || (softc->quirks & ADA_Q_SMR_DM))
1666 		softc->zone_mode = ADA_ZONE_DRIVE_MANAGED;
1667 	else
1668 		softc->zone_mode = ADA_ZONE_NONE;
1669 
1670 	if (cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD)
1671 		softc->flags |= ADA_FLAG_CAN_RAHEAD;
1672 	else
1673 		softc->flags &= ~ADA_FLAG_CAN_RAHEAD;
1674 
1675 	if (cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE)
1676 		softc->flags |= ADA_FLAG_CAN_WCACHE;
1677 	else
1678 		softc->flags &= ~ADA_FLAG_CAN_WCACHE;
1679 }
1680 
1681 static cam_status
1682 adaregister(struct cam_periph *periph, void *arg)
1683 {
1684 	struct ada_softc *softc;
1685 	struct ccb_pathinq cpi;
1686 	struct ccb_getdev *cgd;
1687 	struct disk_params *dp;
1688 	struct sbuf sb;
1689 	char   *announce_buf;
1690 	caddr_t match;
1691 	u_int maxio;
1692 	int quirks;
1693 
1694 	cgd = (struct ccb_getdev *)arg;
1695 	if (cgd == NULL) {
1696 		printf("adaregister: no getdev CCB, can't register device\n");
1697 		return(CAM_REQ_CMP_ERR);
1698 	}
1699 
1700 	softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF,
1701 	    M_NOWAIT|M_ZERO);
1702 
1703 	if (softc == NULL) {
1704 		printf("adaregister: Unable to probe new device. "
1705 		    "Unable to allocate softc\n");
1706 		return(CAM_REQ_CMP_ERR);
1707 	}
1708 
1709 	announce_buf = softc->announce_temp;
1710 	bzero(announce_buf, ADA_ANNOUNCETMP_SZ);
1711 
1712 	if (cam_iosched_init(&softc->cam_iosched, periph) != 0) {
1713 		printf("adaregister: Unable to probe new device. "
1714 		       "Unable to allocate iosched memory\n");
1715 		free(softc, M_DEVBUF);
1716 		return(CAM_REQ_CMP_ERR);
1717 	}
1718 
1719 	periph->softc = softc;
1720 
1721 	/*
1722 	 * See if this device has any quirks.
1723 	 */
1724 	match = cam_quirkmatch((caddr_t)&cgd->ident_data,
1725 			       (caddr_t)ada_quirk_table,
1726 			       nitems(ada_quirk_table),
1727 			       sizeof(*ada_quirk_table), ata_identify_match);
1728 	if (match != NULL)
1729 		softc->quirks = ((struct ada_quirk_entry *)match)->quirks;
1730 	else
1731 		softc->quirks = ADA_Q_NONE;
1732 
1733 	xpt_path_inq(&cpi, periph->path);
1734 
1735 	TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph);
1736 
1737 	/*
1738 	 * Register this media as a disk
1739 	 */
1740 	(void)cam_periph_hold(periph, PRIBIO);
1741 	cam_periph_unlock(periph);
1742 	snprintf(announce_buf, ADA_ANNOUNCETMP_SZ,
1743 	    "kern.cam.ada.%d.quirks", periph->unit_number);
1744 	quirks = softc->quirks;
1745 	TUNABLE_INT_FETCH(announce_buf, &quirks);
1746 	softc->quirks = quirks;
1747 	softc->read_ahead = -1;
1748 	snprintf(announce_buf, ADA_ANNOUNCETMP_SZ,
1749 	    "kern.cam.ada.%d.read_ahead", periph->unit_number);
1750 	TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead);
1751 	softc->write_cache = -1;
1752 	snprintf(announce_buf, ADA_ANNOUNCETMP_SZ,
1753 	    "kern.cam.ada.%d.write_cache", periph->unit_number);
1754 	TUNABLE_INT_FETCH(announce_buf, &softc->write_cache);
1755 
1756 	/*
1757 	 * Set support flags based on the Identify data and quirks.
1758 	 */
1759 	adasetflags(softc, cgd);
1760 
1761 	/* Disable queue sorting for non-rotational media by default. */
1762 	if (cgd->ident_data.media_rotation_rate == ATA_RATE_NON_ROTATING) {
1763 		softc->rotating = 0;
1764 	} else {
1765 		softc->rotating = 1;
1766 	}
1767 	cam_iosched_set_sort_queue(softc->cam_iosched,  softc->rotating ? -1 : 0);
1768 	adagetparams(periph, cgd);
1769 	softc->disk = disk_alloc();
1770 	softc->disk->d_rotation_rate = cgd->ident_data.media_rotation_rate;
1771 	softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
1772 			  periph->unit_number, softc->params.secsize,
1773 			  DEVSTAT_ALL_SUPPORTED,
1774 			  DEVSTAT_TYPE_DIRECT |
1775 			  XPORT_DEVSTAT_TYPE(cpi.transport),
1776 			  DEVSTAT_PRIORITY_DISK);
1777 	softc->disk->d_open = adaopen;
1778 	softc->disk->d_close = adaclose;
1779 	softc->disk->d_strategy = adastrategy;
1780 	softc->disk->d_getattr = adagetattr;
1781 	softc->disk->d_dump = adadump;
1782 	softc->disk->d_gone = adadiskgonecb;
1783 	softc->disk->d_name = "ada";
1784 	softc->disk->d_drv1 = periph;
1785 	maxio = cpi.maxio;		/* Honor max I/O size of SIM */
1786 	if (maxio == 0)
1787 		maxio = DFLTPHYS;	/* traditional default */
1788 	else if (maxio > MAXPHYS)
1789 		maxio = MAXPHYS;	/* for safety */
1790 	if (softc->flags & ADA_FLAG_CAN_48BIT)
1791 		maxio = min(maxio, 65536 * softc->params.secsize);
1792 	else					/* 28bit ATA command limit */
1793 		maxio = min(maxio, 256 * softc->params.secsize);
1794 	softc->disk->d_maxsize = maxio;
1795 	softc->disk->d_unit = periph->unit_number;
1796 	softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION | DISKFLAG_CANZONE;
1797 	if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE)
1798 		softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
1799 	if (softc->flags & ADA_FLAG_CAN_TRIM) {
1800 		softc->disk->d_flags |= DISKFLAG_CANDELETE;
1801 		softc->disk->d_delmaxsize = softc->params.secsize *
1802 					    ATA_DSM_RANGE_MAX *
1803 					    softc->trim_max_ranges;
1804 	} else if ((softc->flags & ADA_FLAG_CAN_CFA) &&
1805 	    !(softc->flags & ADA_FLAG_CAN_48BIT)) {
1806 		softc->disk->d_flags |= DISKFLAG_CANDELETE;
1807 		softc->disk->d_delmaxsize = 256 * softc->params.secsize;
1808 	} else
1809 		softc->disk->d_delmaxsize = maxio;
1810 	if ((cpi.hba_misc & PIM_UNMAPPED) != 0) {
1811 		softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
1812 		softc->unmappedio = 1;
1813 	}
1814 	if (cpi.hba_misc & PIM_ATA_EXT)
1815 		softc->flags |= ADA_FLAG_PIM_ATA_EXT;
1816 	strlcpy(softc->disk->d_descr, cgd->ident_data.model,
1817 	    MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model)));
1818 	strlcpy(softc->disk->d_ident, cgd->ident_data.serial,
1819 	    MIN(sizeof(softc->disk->d_ident), sizeof(cgd->ident_data.serial)));
1820 	softc->disk->d_hba_vendor = cpi.hba_vendor;
1821 	softc->disk->d_hba_device = cpi.hba_device;
1822 	softc->disk->d_hba_subvendor = cpi.hba_subvendor;
1823 	softc->disk->d_hba_subdevice = cpi.hba_subdevice;
1824 
1825 	softc->disk->d_sectorsize = softc->params.secsize;
1826 	softc->disk->d_mediasize = (off_t)softc->params.sectors *
1827 	    softc->params.secsize;
1828 	if (ata_physical_sector_size(&cgd->ident_data) !=
1829 	    softc->params.secsize) {
1830 		softc->disk->d_stripesize =
1831 		    ata_physical_sector_size(&cgd->ident_data);
1832 		softc->disk->d_stripeoffset = (softc->disk->d_stripesize -
1833 		    ata_logical_sector_offset(&cgd->ident_data)) %
1834 		    softc->disk->d_stripesize;
1835 	} else if (softc->quirks & ADA_Q_4K) {
1836 		softc->disk->d_stripesize = 4096;
1837 		softc->disk->d_stripeoffset = 0;
1838 	}
1839 	softc->disk->d_fwsectors = softc->params.secs_per_track;
1840 	softc->disk->d_fwheads = softc->params.heads;
1841 	ata_disk_firmware_geom_adjust(softc->disk);
1842 
1843 	/*
1844 	 * Acquire a reference to the periph before we register with GEOM.
1845 	 * We'll release this reference once GEOM calls us back (via
1846 	 * adadiskgonecb()) telling us that our provider has been freed.
1847 	 */
1848 	if (cam_periph_acquire(periph) != 0) {
1849 		xpt_print(periph->path, "%s: lost periph during "
1850 			  "registration!\n", __func__);
1851 		cam_periph_lock(periph);
1852 		return (CAM_REQ_CMP_ERR);
1853 	}
1854 	disk_create(softc->disk, DISK_VERSION);
1855 	cam_periph_lock(periph);
1856 
1857 	dp = &softc->params;
1858 	snprintf(announce_buf, ADA_ANNOUNCETMP_SZ,
1859 	    "%juMB (%ju %u byte sectors)",
1860 	    ((uintmax_t)dp->secsize * dp->sectors) / (1024 * 1024),
1861 	    (uintmax_t)dp->sectors, dp->secsize);
1862 
1863 	sbuf_new(&sb, softc->announce_buffer, ADA_ANNOUNCE_SZ, SBUF_FIXEDLEN);
1864 	xpt_announce_periph_sbuf(periph, &sb, announce_buf);
1865 	xpt_announce_quirks_sbuf(periph, &sb, softc->quirks, ADA_Q_BIT_STRING);
1866 	sbuf_finish(&sb);
1867 	sbuf_putbuf(&sb);
1868 
1869 	/*
1870 	 * Create our sysctl variables, now that we know
1871 	 * we have successfully attached.
1872 	 */
1873 	if (cam_periph_acquire(periph) == 0)
1874 		taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task);
1875 
1876 	/*
1877 	 * Add async callbacks for bus reset and
1878 	 * bus device reset calls.  I don't bother
1879 	 * checking if this fails as, in most cases,
1880 	 * the system will function just fine without
1881 	 * them and the only alternative would be to
1882 	 * not attach the device on failure.
1883 	 */
1884 	xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
1885 	    AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED,
1886 	    adaasync, periph, periph->path);
1887 
1888 	/*
1889 	 * Schedule a periodic event to occasionally send an
1890 	 * ordered tag to a device.
1891 	 */
1892 	callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
1893 	callout_reset(&softc->sendordered_c,
1894 	    (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL,
1895 	    adasendorderedtag, softc);
1896 
1897 	if (ADA_RA >= 0 && softc->flags & ADA_FLAG_CAN_RAHEAD) {
1898 		softc->state = ADA_STATE_RAHEAD;
1899 	} else if (ADA_WC >= 0 && softc->flags & ADA_FLAG_CAN_WCACHE) {
1900 		softc->state = ADA_STATE_WCACHE;
1901 	} else if ((softc->flags & ADA_FLAG_CAN_LOG)
1902 		&& (softc->zone_mode != ADA_ZONE_NONE)) {
1903 		softc->state = ADA_STATE_LOGDIR;
1904 	} else {
1905 		/*
1906 		 * Nothing to probe, so we can just transition to the
1907 		 * normal state.
1908 		 */
1909 		adaprobedone(periph, NULL);
1910 		return(CAM_REQ_CMP);
1911 	}
1912 
1913 	xpt_schedule(periph, CAM_PRIORITY_DEV);
1914 
1915 	return(CAM_REQ_CMP);
1916 }
1917 
1918 static int
1919 ada_dsmtrim_req_create(struct ada_softc *softc, struct bio *bp, struct trim_request *req)
1920 {
1921 	uint64_t lastlba = (uint64_t)-1;
1922 	int c, lastcount = 0, off, ranges = 0;
1923 
1924 	bzero(req, sizeof(*req));
1925 	TAILQ_INIT(&req->bps);
1926 	do {
1927 		uint64_t lba = bp->bio_pblkno;
1928 		int count = bp->bio_bcount / softc->params.secsize;
1929 
1930 		/* Try to extend the previous range. */
1931 		if (lba == lastlba) {
1932 			c = min(count, ATA_DSM_RANGE_MAX - lastcount);
1933 			lastcount += c;
1934 			off = (ranges - 1) * ATA_DSM_RANGE_SIZE;
1935 			req->data[off + 6] = lastcount & 0xff;
1936 			req->data[off + 7] =
1937 				(lastcount >> 8) & 0xff;
1938 			count -= c;
1939 			lba += c;
1940 		}
1941 
1942 		while (count > 0) {
1943 			c = min(count, ATA_DSM_RANGE_MAX);
1944 			off = ranges * ATA_DSM_RANGE_SIZE;
1945 			req->data[off + 0] = lba & 0xff;
1946 			req->data[off + 1] = (lba >> 8) & 0xff;
1947 			req->data[off + 2] = (lba >> 16) & 0xff;
1948 			req->data[off + 3] = (lba >> 24) & 0xff;
1949 			req->data[off + 4] = (lba >> 32) & 0xff;
1950 			req->data[off + 5] = (lba >> 40) & 0xff;
1951 			req->data[off + 6] = c & 0xff;
1952 			req->data[off + 7] = (c >> 8) & 0xff;
1953 			lba += c;
1954 			count -= c;
1955 			lastcount = c;
1956 			ranges++;
1957 			/*
1958 			 * Its the caller's responsibility to ensure the
1959 			 * request will fit so we don't need to check for
1960 			 * overrun here
1961 			 */
1962 		}
1963 		lastlba = lba;
1964 		TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue);
1965 
1966 		bp = cam_iosched_next_trim(softc->cam_iosched);
1967 		if (bp == NULL)
1968 			break;
1969 		if (bp->bio_bcount / softc->params.secsize >
1970 		    (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) {
1971 			cam_iosched_put_back_trim(softc->cam_iosched, bp);
1972 			break;
1973 		}
1974 	} while (1);
1975 
1976 	return (ranges);
1977 }
1978 
1979 static void
1980 ada_dsmtrim(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio)
1981 {
1982 	struct trim_request *req = &softc->trim_req;
1983 	int ranges;
1984 
1985 	ranges = ada_dsmtrim_req_create(softc, bp, req);
1986 	cam_fill_ataio(ataio,
1987 	    ada_retry_count,
1988 	    adadone,
1989 	    CAM_DIR_OUT,
1990 	    0,
1991 	    req->data,
1992 	    howmany(ranges, ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE,
1993 	    ada_default_timeout * 1000);
1994 	ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT,
1995 	    ATA_DSM_TRIM, 0, howmany(ranges, ATA_DSM_BLK_RANGES));
1996 }
1997 
1998 static void
1999 ada_ncq_dsmtrim(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio)
2000 {
2001 	struct trim_request *req = &softc->trim_req;
2002 	int ranges;
2003 
2004 	ranges = ada_dsmtrim_req_create(softc, bp, req);
2005 	cam_fill_ataio(ataio,
2006 	    ada_retry_count,
2007 	    adadone,
2008 	    CAM_DIR_OUT,
2009 	    0,
2010 	    req->data,
2011 	    howmany(ranges, ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE,
2012 	    ada_default_timeout * 1000);
2013 	ata_ncq_cmd(ataio,
2014 	    ATA_SEND_FPDMA_QUEUED,
2015 	    0,
2016 	    howmany(ranges, ATA_DSM_BLK_RANGES));
2017 	ataio->cmd.sector_count_exp = ATA_SFPDMA_DSM;
2018 	ataio->ata_flags |= ATA_FLAG_AUX;
2019 	ataio->aux = 1;
2020 }
2021 
2022 static void
2023 ada_cfaerase(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio)
2024 {
2025 	struct trim_request *req = &softc->trim_req;
2026 	uint64_t lba = bp->bio_pblkno;
2027 	uint16_t count = bp->bio_bcount / softc->params.secsize;
2028 
2029 	bzero(req, sizeof(*req));
2030 	TAILQ_INIT(&req->bps);
2031 	TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue);
2032 
2033 	cam_fill_ataio(ataio,
2034 	    ada_retry_count,
2035 	    adadone,
2036 	    CAM_DIR_NONE,
2037 	    0,
2038 	    NULL,
2039 	    0,
2040 	    ada_default_timeout*1000);
2041 
2042 	if (count >= 256)
2043 		count = 0;
2044 	ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count);
2045 }
2046 
2047 static int
2048 ada_zone_bio_to_ata(int disk_zone_cmd)
2049 {
2050 	switch (disk_zone_cmd) {
2051 	case DISK_ZONE_OPEN:
2052 		return ATA_ZM_OPEN_ZONE;
2053 	case DISK_ZONE_CLOSE:
2054 		return ATA_ZM_CLOSE_ZONE;
2055 	case DISK_ZONE_FINISH:
2056 		return ATA_ZM_FINISH_ZONE;
2057 	case DISK_ZONE_RWP:
2058 		return ATA_ZM_RWP;
2059 	}
2060 
2061 	return -1;
2062 }
2063 
2064 static int
2065 ada_zone_cmd(struct cam_periph *periph, union ccb *ccb, struct bio *bp,
2066 	     int *queue_ccb)
2067 {
2068 	struct ada_softc *softc;
2069 	int error;
2070 
2071 	error = 0;
2072 
2073 	if (bp->bio_cmd != BIO_ZONE) {
2074 		error = EINVAL;
2075 		goto bailout;
2076 	}
2077 
2078 	softc = periph->softc;
2079 
2080 	switch (bp->bio_zone.zone_cmd) {
2081 	case DISK_ZONE_OPEN:
2082 	case DISK_ZONE_CLOSE:
2083 	case DISK_ZONE_FINISH:
2084 	case DISK_ZONE_RWP: {
2085 		int zone_flags;
2086 		int zone_sa;
2087 		uint64_t lba;
2088 
2089 		zone_sa = ada_zone_bio_to_ata(bp->bio_zone.zone_cmd);
2090 		if (zone_sa == -1) {
2091 			xpt_print(periph->path, "Cannot translate zone "
2092 			    "cmd %#x to ATA\n", bp->bio_zone.zone_cmd);
2093 			error = EINVAL;
2094 			goto bailout;
2095 		}
2096 
2097 		zone_flags = 0;
2098 		lba = bp->bio_zone.zone_params.rwp.id;
2099 
2100 		if (bp->bio_zone.zone_params.rwp.flags &
2101 		    DISK_ZONE_RWP_FLAG_ALL)
2102 			zone_flags |= ZBC_OUT_ALL;
2103 
2104 		ata_zac_mgmt_out(&ccb->ataio,
2105 				 /*retries*/ ada_retry_count,
2106 				 /*cbfcnp*/ adadone,
2107 				 /*use_ncq*/ (softc->flags &
2108 					      ADA_FLAG_PIM_ATA_EXT) ? 1 : 0,
2109 				 /*zm_action*/ zone_sa,
2110 				 /*zone_id*/ lba,
2111 				 /*zone_flags*/ zone_flags,
2112 				 /*sector_count*/ 0,
2113 				 /*data_ptr*/ NULL,
2114 				 /*dxfer_len*/ 0,
2115 				 /*timeout*/ ada_default_timeout * 1000);
2116 		*queue_ccb = 1;
2117 
2118 		break;
2119 	}
2120 	case DISK_ZONE_REPORT_ZONES: {
2121 		uint8_t *rz_ptr;
2122 		uint32_t num_entries, alloc_size;
2123 		struct disk_zone_report *rep;
2124 
2125 		rep = &bp->bio_zone.zone_params.report;
2126 
2127 		num_entries = rep->entries_allocated;
2128 		if (num_entries == 0) {
2129 			xpt_print(periph->path, "No entries allocated for "
2130 			    "Report Zones request\n");
2131 			error = EINVAL;
2132 			goto bailout;
2133 		}
2134 		alloc_size = sizeof(struct scsi_report_zones_hdr) +
2135 		    (sizeof(struct scsi_report_zones_desc) * num_entries);
2136 		alloc_size = min(alloc_size, softc->disk->d_maxsize);
2137 		rz_ptr = malloc(alloc_size, M_ATADA, M_NOWAIT | M_ZERO);
2138 		if (rz_ptr == NULL) {
2139 			xpt_print(periph->path, "Unable to allocate memory "
2140 			   "for Report Zones request\n");
2141 			error = ENOMEM;
2142 			goto bailout;
2143 		}
2144 
2145 		ata_zac_mgmt_in(&ccb->ataio,
2146 				/*retries*/ ada_retry_count,
2147 				/*cbcfnp*/ adadone,
2148 				/*use_ncq*/ (softc->flags &
2149 					     ADA_FLAG_PIM_ATA_EXT) ? 1 : 0,
2150 				/*zm_action*/ ATA_ZM_REPORT_ZONES,
2151 				/*zone_id*/ rep->starting_id,
2152 				/*zone_flags*/ rep->rep_options,
2153 				/*data_ptr*/ rz_ptr,
2154 				/*dxfer_len*/ alloc_size,
2155 				/*timeout*/ ada_default_timeout * 1000);
2156 
2157 		/*
2158 		 * For BIO_ZONE, this isn't normally needed.  However, it
2159 		 * is used by devstat_end_transaction_bio() to determine
2160 		 * how much data was transferred.
2161 		 */
2162 		/*
2163 		 * XXX KDM we have a problem.  But I'm not sure how to fix
2164 		 * it.  devstat uses bio_bcount - bio_resid to calculate
2165 		 * the amount of data transferred.   The GEOM disk code
2166 		 * uses bio_length - bio_resid to calculate the amount of
2167 		 * data in bio_completed.  We have different structure
2168 		 * sizes above and below the ada(4) driver.  So, if we
2169 		 * use the sizes above, the amount transferred won't be
2170 		 * quite accurate for devstat.  If we use different sizes
2171 		 * for bio_bcount and bio_length (above and below
2172 		 * respectively), then the residual needs to match one or
2173 		 * the other.  Everything is calculated after the bio
2174 		 * leaves the driver, so changing the values around isn't
2175 		 * really an option.  For now, just set the count to the
2176 		 * passed in length.  This means that the calculations
2177 		 * above (e.g. bio_completed) will be correct, but the
2178 		 * amount of data reported to devstat will be slightly
2179 		 * under or overstated.
2180 		 */
2181 		bp->bio_bcount = bp->bio_length;
2182 
2183 		*queue_ccb = 1;
2184 
2185 		break;
2186 	}
2187 	case DISK_ZONE_GET_PARAMS: {
2188 		struct disk_zone_disk_params *params;
2189 
2190 		params = &bp->bio_zone.zone_params.disk_params;
2191 		bzero(params, sizeof(*params));
2192 
2193 		switch (softc->zone_mode) {
2194 		case ADA_ZONE_DRIVE_MANAGED:
2195 			params->zone_mode = DISK_ZONE_MODE_DRIVE_MANAGED;
2196 			break;
2197 		case ADA_ZONE_HOST_AWARE:
2198 			params->zone_mode = DISK_ZONE_MODE_HOST_AWARE;
2199 			break;
2200 		case ADA_ZONE_HOST_MANAGED:
2201 			params->zone_mode = DISK_ZONE_MODE_HOST_MANAGED;
2202 			break;
2203 		default:
2204 		case ADA_ZONE_NONE:
2205 			params->zone_mode = DISK_ZONE_MODE_NONE;
2206 			break;
2207 		}
2208 
2209 		if (softc->zone_flags & ADA_ZONE_FLAG_URSWRZ)
2210 			params->flags |= DISK_ZONE_DISK_URSWRZ;
2211 
2212 		if (softc->zone_flags & ADA_ZONE_FLAG_OPT_SEQ_SET) {
2213 			params->optimal_seq_zones = softc->optimal_seq_zones;
2214 			params->flags |= DISK_ZONE_OPT_SEQ_SET;
2215 		}
2216 
2217 		if (softc->zone_flags & ADA_ZONE_FLAG_OPT_NONSEQ_SET) {
2218 			params->optimal_nonseq_zones =
2219 			    softc->optimal_nonseq_zones;
2220 			params->flags |= DISK_ZONE_OPT_NONSEQ_SET;
2221 		}
2222 
2223 		if (softc->zone_flags & ADA_ZONE_FLAG_MAX_SEQ_SET) {
2224 			params->max_seq_zones = softc->max_seq_zones;
2225 			params->flags |= DISK_ZONE_MAX_SEQ_SET;
2226 		}
2227 		if (softc->zone_flags & ADA_ZONE_FLAG_RZ_SUP)
2228 			params->flags |= DISK_ZONE_RZ_SUP;
2229 
2230 		if (softc->zone_flags & ADA_ZONE_FLAG_OPEN_SUP)
2231 			params->flags |= DISK_ZONE_OPEN_SUP;
2232 
2233 		if (softc->zone_flags & ADA_ZONE_FLAG_CLOSE_SUP)
2234 			params->flags |= DISK_ZONE_CLOSE_SUP;
2235 
2236 		if (softc->zone_flags & ADA_ZONE_FLAG_FINISH_SUP)
2237 			params->flags |= DISK_ZONE_FINISH_SUP;
2238 
2239 		if (softc->zone_flags & ADA_ZONE_FLAG_RWP_SUP)
2240 			params->flags |= DISK_ZONE_RWP_SUP;
2241 		break;
2242 	}
2243 	default:
2244 		break;
2245 	}
2246 bailout:
2247 	return (error);
2248 }
2249 
2250 static void
2251 adastart(struct cam_periph *periph, union ccb *start_ccb)
2252 {
2253 	struct ada_softc *softc = (struct ada_softc *)periph->softc;
2254 	struct ccb_ataio *ataio = &start_ccb->ataio;
2255 
2256 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n"));
2257 
2258 	switch (softc->state) {
2259 	case ADA_STATE_NORMAL:
2260 	{
2261 		struct bio *bp;
2262 		u_int8_t tag_code;
2263 
2264 		bp = cam_iosched_next_bio(softc->cam_iosched);
2265 		if (bp == NULL) {
2266 			xpt_release_ccb(start_ccb);
2267 			break;
2268 		}
2269 
2270 		if ((bp->bio_flags & BIO_ORDERED) != 0 ||
2271 		    (bp->bio_cmd != BIO_DELETE && (softc->flags & ADA_FLAG_NEED_OTAG) != 0)) {
2272 			softc->flags &= ~ADA_FLAG_NEED_OTAG;
2273 			softc->flags |= ADA_FLAG_WAS_OTAG;
2274 			tag_code = 0;
2275 		} else {
2276 			tag_code = 1;
2277 		}
2278 		switch (bp->bio_cmd) {
2279 		case BIO_WRITE:
2280 		case BIO_READ:
2281 		{
2282 			uint64_t lba = bp->bio_pblkno;
2283 			uint16_t count = bp->bio_bcount / softc->params.secsize;
2284 			void *data_ptr;
2285 			int rw_op;
2286 
2287 			if (bp->bio_cmd == BIO_WRITE) {
2288 				softc->flags |= ADA_FLAG_DIRTY;
2289 				rw_op = CAM_DIR_OUT;
2290 			} else {
2291 				rw_op = CAM_DIR_IN;
2292 			}
2293 
2294 			data_ptr = bp->bio_data;
2295 			if ((bp->bio_flags & (BIO_UNMAPPED|BIO_VLIST)) != 0) {
2296 				rw_op |= CAM_DATA_BIO;
2297 				data_ptr = bp;
2298 			}
2299 
2300 #ifdef CAM_TEST_FAILURE
2301 			int fail = 0;
2302 
2303 			/*
2304 			 * Support the failure ioctls.  If the command is a
2305 			 * read, and there are pending forced read errors, or
2306 			 * if a write and pending write errors, then fail this
2307 			 * operation with EIO.  This is useful for testing
2308 			 * purposes.  Also, support having every Nth read fail.
2309 			 *
2310 			 * This is a rather blunt tool.
2311 			 */
2312 			if (bp->bio_cmd == BIO_READ) {
2313 				if (softc->force_read_error) {
2314 					softc->force_read_error--;
2315 					fail = 1;
2316 				}
2317 				if (softc->periodic_read_error > 0) {
2318 					if (++softc->periodic_read_count >=
2319 					    softc->periodic_read_error) {
2320 						softc->periodic_read_count = 0;
2321 						fail = 1;
2322 					}
2323 				}
2324 			} else {
2325 				if (softc->force_write_error) {
2326 					softc->force_write_error--;
2327 					fail = 1;
2328 				}
2329 			}
2330 			if (fail) {
2331 				biofinish(bp, NULL, EIO);
2332 				xpt_release_ccb(start_ccb);
2333 				adaschedule(periph);
2334 				return;
2335 			}
2336 #endif
2337 			KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 ||
2338 			    round_page(bp->bio_bcount + bp->bio_ma_offset) /
2339 			    PAGE_SIZE == bp->bio_ma_n,
2340 			    ("Short bio %p", bp));
2341 			cam_fill_ataio(ataio,
2342 			    ada_retry_count,
2343 			    adadone,
2344 			    rw_op,
2345 			    0,
2346 			    data_ptr,
2347 			    bp->bio_bcount,
2348 			    ada_default_timeout*1000);
2349 
2350 			if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) {
2351 				if (bp->bio_cmd == BIO_READ) {
2352 					ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED,
2353 					    lba, count);
2354 				} else {
2355 					ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED,
2356 					    lba, count);
2357 				}
2358 			} else if ((softc->flags & ADA_FLAG_CAN_48BIT) &&
2359 			    (lba + count >= ATA_MAX_28BIT_LBA ||
2360 			    count > 256)) {
2361 				if (softc->flags & ADA_FLAG_CAN_DMA48) {
2362 					if (bp->bio_cmd == BIO_READ) {
2363 						ata_48bit_cmd(ataio, ATA_READ_DMA48,
2364 						    0, lba, count);
2365 					} else {
2366 						ata_48bit_cmd(ataio, ATA_WRITE_DMA48,
2367 						    0, lba, count);
2368 					}
2369 				} else {
2370 					if (bp->bio_cmd == BIO_READ) {
2371 						ata_48bit_cmd(ataio, ATA_READ_MUL48,
2372 						    0, lba, count);
2373 					} else {
2374 						ata_48bit_cmd(ataio, ATA_WRITE_MUL48,
2375 						    0, lba, count);
2376 					}
2377 				}
2378 			} else {
2379 				if (count == 256)
2380 					count = 0;
2381 				if (softc->flags & ADA_FLAG_CAN_DMA) {
2382 					if (bp->bio_cmd == BIO_READ) {
2383 						ata_28bit_cmd(ataio, ATA_READ_DMA,
2384 						    0, lba, count);
2385 					} else {
2386 						ata_28bit_cmd(ataio, ATA_WRITE_DMA,
2387 						    0, lba, count);
2388 					}
2389 				} else {
2390 					if (bp->bio_cmd == BIO_READ) {
2391 						ata_28bit_cmd(ataio, ATA_READ_MUL,
2392 						    0, lba, count);
2393 					} else {
2394 						ata_28bit_cmd(ataio, ATA_WRITE_MUL,
2395 						    0, lba, count);
2396 					}
2397 				}
2398 			}
2399 			break;
2400 		}
2401 		case BIO_DELETE:
2402 			switch (softc->delete_method) {
2403 			case ADA_DELETE_NCQ_DSM_TRIM:
2404 				ada_ncq_dsmtrim(softc, bp, ataio);
2405 				break;
2406 			case ADA_DELETE_DSM_TRIM:
2407 				ada_dsmtrim(softc, bp, ataio);
2408 				break;
2409 			case ADA_DELETE_CFA_ERASE:
2410 				ada_cfaerase(softc, bp, ataio);
2411 				break;
2412 			default:
2413 				biofinish(bp, NULL, EOPNOTSUPP);
2414 				xpt_release_ccb(start_ccb);
2415 				adaschedule(periph);
2416 				return;
2417 			}
2418 			start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM;
2419 			start_ccb->ccb_h.flags |= CAM_UNLOCKED;
2420 			cam_iosched_submit_trim(softc->cam_iosched);
2421 			goto out;
2422 		case BIO_FLUSH:
2423 			cam_fill_ataio(ataio,
2424 			    1,
2425 			    adadone,
2426 			    CAM_DIR_NONE,
2427 			    0,
2428 			    NULL,
2429 			    0,
2430 			    ada_default_timeout*1000);
2431 
2432 			if (softc->flags & ADA_FLAG_CAN_48BIT)
2433 				ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0);
2434 			else
2435 				ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0);
2436 			break;
2437 		case BIO_ZONE: {
2438 			int error, queue_ccb;
2439 
2440 			queue_ccb = 0;
2441 
2442 			error = ada_zone_cmd(periph, start_ccb, bp, &queue_ccb);
2443 			if ((error != 0)
2444 			 || (queue_ccb == 0)) {
2445 				biofinish(bp, NULL, error);
2446 				xpt_release_ccb(start_ccb);
2447 				return;
2448 			}
2449 			break;
2450 		}
2451 		}
2452 		start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO;
2453 		start_ccb->ccb_h.flags |= CAM_UNLOCKED;
2454 out:
2455 		start_ccb->ccb_h.ccb_bp = bp;
2456 		softc->outstanding_cmds++;
2457 		softc->refcount++;
2458 		cam_periph_unlock(periph);
2459 		xpt_action(start_ccb);
2460 		cam_periph_lock(periph);
2461 
2462 		/* May have more work to do, so ensure we stay scheduled */
2463 		adaschedule(periph);
2464 		break;
2465 	}
2466 	case ADA_STATE_RAHEAD:
2467 	case ADA_STATE_WCACHE:
2468 	{
2469 		cam_fill_ataio(ataio,
2470 		    1,
2471 		    adadone,
2472 		    CAM_DIR_NONE,
2473 		    0,
2474 		    NULL,
2475 		    0,
2476 		    ada_default_timeout*1000);
2477 
2478 		if (softc->state == ADA_STATE_RAHEAD) {
2479 			ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ?
2480 			    ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0);
2481 			start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD;
2482 		} else {
2483 			ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ?
2484 			    ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0);
2485 			start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE;
2486 		}
2487 		start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE;
2488 		xpt_action(start_ccb);
2489 		break;
2490 	}
2491 	case ADA_STATE_LOGDIR:
2492 	{
2493 		struct ata_gp_log_dir *log_dir;
2494 
2495 		if ((softc->flags & ADA_FLAG_CAN_LOG) == 0) {
2496 			adaprobedone(periph, start_ccb);
2497 			break;
2498 		}
2499 
2500 		log_dir = malloc(sizeof(*log_dir), M_ATADA, M_NOWAIT|M_ZERO);
2501 		if (log_dir == NULL) {
2502 			xpt_print(periph->path, "Couldn't malloc log_dir "
2503 			    "data\n");
2504 			softc->state = ADA_STATE_NORMAL;
2505 			xpt_release_ccb(start_ccb);
2506 			break;
2507 		}
2508 
2509 
2510 		ata_read_log(ataio,
2511 		    /*retries*/1,
2512 		    /*cbfcnp*/adadone,
2513 		    /*log_address*/ ATA_LOG_DIRECTORY,
2514 		    /*page_number*/ 0,
2515 		    /*block_count*/ 1,
2516 		    /*protocol*/ softc->flags & ADA_FLAG_CAN_DMA ?
2517 				 CAM_ATAIO_DMA : 0,
2518 		    /*data_ptr*/ (uint8_t *)log_dir,
2519 		    /*dxfer_len*/sizeof(*log_dir),
2520 		    /*timeout*/ada_default_timeout*1000);
2521 
2522 		start_ccb->ccb_h.ccb_state = ADA_CCB_LOGDIR;
2523 		xpt_action(start_ccb);
2524 		break;
2525 	}
2526 	case ADA_STATE_IDDIR:
2527 	{
2528 		struct ata_identify_log_pages *id_dir;
2529 
2530 		id_dir = malloc(sizeof(*id_dir), M_ATADA, M_NOWAIT | M_ZERO);
2531 		if (id_dir == NULL) {
2532 			xpt_print(periph->path, "Couldn't malloc id_dir "
2533 			    "data\n");
2534 			adaprobedone(periph, start_ccb);
2535 			break;
2536 		}
2537 
2538 		ata_read_log(ataio,
2539 		    /*retries*/1,
2540 		    /*cbfcnp*/adadone,
2541 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
2542 		    /*page_number*/ ATA_IDL_PAGE_LIST,
2543 		    /*block_count*/ 1,
2544 		    /*protocol*/ softc->flags & ADA_FLAG_CAN_DMA ?
2545 				 CAM_ATAIO_DMA : 0,
2546 		    /*data_ptr*/ (uint8_t *)id_dir,
2547 		    /*dxfer_len*/ sizeof(*id_dir),
2548 		    /*timeout*/ada_default_timeout*1000);
2549 
2550 		start_ccb->ccb_h.ccb_state = ADA_CCB_IDDIR;
2551 		xpt_action(start_ccb);
2552 		break;
2553 	}
2554 	case ADA_STATE_SUP_CAP:
2555 	{
2556 		struct ata_identify_log_sup_cap *sup_cap;
2557 
2558 		sup_cap = malloc(sizeof(*sup_cap), M_ATADA, M_NOWAIT|M_ZERO);
2559 		if (sup_cap == NULL) {
2560 			xpt_print(periph->path, "Couldn't malloc sup_cap "
2561 			    "data\n");
2562 			adaprobedone(periph, start_ccb);
2563 			break;
2564 		}
2565 
2566 		ata_read_log(ataio,
2567 		    /*retries*/1,
2568 		    /*cbfcnp*/adadone,
2569 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
2570 		    /*page_number*/ ATA_IDL_SUP_CAP,
2571 		    /*block_count*/ 1,
2572 		    /*protocol*/ softc->flags & ADA_FLAG_CAN_DMA ?
2573 				 CAM_ATAIO_DMA : 0,
2574 		    /*data_ptr*/ (uint8_t *)sup_cap,
2575 		    /*dxfer_len*/ sizeof(*sup_cap),
2576 		    /*timeout*/ada_default_timeout*1000);
2577 
2578 		start_ccb->ccb_h.ccb_state = ADA_CCB_SUP_CAP;
2579 		xpt_action(start_ccb);
2580 		break;
2581 	}
2582 	case ADA_STATE_ZONE:
2583 	{
2584 		struct ata_zoned_info_log *ata_zone;
2585 
2586 		ata_zone = malloc(sizeof(*ata_zone), M_ATADA, M_NOWAIT|M_ZERO);
2587 		if (ata_zone == NULL) {
2588 			xpt_print(periph->path, "Couldn't malloc ata_zone "
2589 			    "data\n");
2590 			adaprobedone(periph, start_ccb);
2591 			break;
2592 		}
2593 
2594 		ata_read_log(ataio,
2595 		    /*retries*/1,
2596 		    /*cbfcnp*/adadone,
2597 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
2598 		    /*page_number*/ ATA_IDL_ZDI,
2599 		    /*block_count*/ 1,
2600 		    /*protocol*/ softc->flags & ADA_FLAG_CAN_DMA ?
2601 				 CAM_ATAIO_DMA : 0,
2602 		    /*data_ptr*/ (uint8_t *)ata_zone,
2603 		    /*dxfer_len*/ sizeof(*ata_zone),
2604 		    /*timeout*/ada_default_timeout*1000);
2605 
2606 		start_ccb->ccb_h.ccb_state = ADA_CCB_ZONE;
2607 		xpt_action(start_ccb);
2608 		break;
2609 	}
2610 	}
2611 }
2612 
2613 static void
2614 adaprobedone(struct cam_periph *periph, union ccb *ccb)
2615 {
2616 	struct ada_softc *softc;
2617 
2618 	softc = (struct ada_softc *)periph->softc;
2619 
2620 	if (ccb != NULL)
2621 		xpt_release_ccb(ccb);
2622 
2623 	softc->state = ADA_STATE_NORMAL;
2624 	softc->flags |= ADA_FLAG_PROBED;
2625 	adaschedule(periph);
2626 	if ((softc->flags & ADA_FLAG_ANNOUNCED) == 0) {
2627 		softc->flags |= ADA_FLAG_ANNOUNCED;
2628 		cam_periph_unhold(periph);
2629 	} else {
2630 		cam_periph_release_locked(periph);
2631 	}
2632 }
2633 
2634 static void
2635 adazonedone(struct cam_periph *periph, union ccb *ccb)
2636 {
2637 	struct bio *bp;
2638 
2639 	bp = (struct bio *)ccb->ccb_h.ccb_bp;
2640 
2641 	switch (bp->bio_zone.zone_cmd) {
2642 	case DISK_ZONE_OPEN:
2643 	case DISK_ZONE_CLOSE:
2644 	case DISK_ZONE_FINISH:
2645 	case DISK_ZONE_RWP:
2646 		break;
2647 	case DISK_ZONE_REPORT_ZONES: {
2648 		uint32_t avail_len;
2649 		struct disk_zone_report *rep;
2650 		struct scsi_report_zones_hdr *hdr;
2651 		struct scsi_report_zones_desc *desc;
2652 		struct disk_zone_rep_entry *entry;
2653 		uint32_t hdr_len, num_avail;
2654 		uint32_t num_to_fill, i;
2655 
2656 		rep = &bp->bio_zone.zone_params.report;
2657 		avail_len = ccb->ataio.dxfer_len - ccb->ataio.resid;
2658 		/*
2659 		 * Note that bio_resid isn't normally used for zone
2660 		 * commands, but it is used by devstat_end_transaction_bio()
2661 		 * to determine how much data was transferred.  Because
2662 		 * the size of the SCSI/ATA data structures is different
2663 		 * than the size of the BIO interface structures, the
2664 		 * amount of data actually transferred from the drive will
2665 		 * be different than the amount of data transferred to
2666 		 * the user.
2667 		 */
2668 		hdr = (struct scsi_report_zones_hdr *)ccb->ataio.data_ptr;
2669 		if (avail_len < sizeof(*hdr)) {
2670 			/*
2671 			 * Is there a better error than EIO here?  We asked
2672 			 * for at least the header, and we got less than
2673 			 * that.
2674 			 */
2675 			bp->bio_error = EIO;
2676 			bp->bio_flags |= BIO_ERROR;
2677 			bp->bio_resid = bp->bio_bcount;
2678 			break;
2679 		}
2680 
2681 		hdr_len = le32dec(hdr->length);
2682 		if (hdr_len > 0)
2683 			rep->entries_available = hdr_len / sizeof(*desc);
2684 		else
2685 			rep->entries_available = 0;
2686 		/*
2687 		 * NOTE: using the same values for the BIO version of the
2688 		 * same field as the SCSI/ATA values.  This means we could
2689 		 * get some additional values that aren't defined in bio.h
2690 		 * if more values of the same field are defined later.
2691 		 */
2692 		rep->header.same = hdr->byte4 & SRZ_SAME_MASK;
2693 		rep->header.maximum_lba = le64dec(hdr->maximum_lba);
2694 		/*
2695 		 * If the drive reports no entries that match the query,
2696 		 * we're done.
2697 		 */
2698 		if (hdr_len == 0) {
2699 			rep->entries_filled = 0;
2700 			bp->bio_resid = bp->bio_bcount;
2701 			break;
2702 		}
2703 
2704 		num_avail = min((avail_len - sizeof(*hdr)) / sizeof(*desc),
2705 				hdr_len / sizeof(*desc));
2706 		/*
2707 		 * If the drive didn't return any data, then we're done.
2708 		 */
2709 		if (num_avail == 0) {
2710 			rep->entries_filled = 0;
2711 			bp->bio_resid = bp->bio_bcount;
2712 			break;
2713 		}
2714 
2715 		num_to_fill = min(num_avail, rep->entries_allocated);
2716 		/*
2717 		 * If the user didn't allocate any entries for us to fill,
2718 		 * we're done.
2719 		 */
2720 		if (num_to_fill == 0) {
2721 			rep->entries_filled = 0;
2722 			bp->bio_resid = bp->bio_bcount;
2723 			break;
2724 		}
2725 
2726 		for (i = 0, desc = &hdr->desc_list[0], entry=&rep->entries[0];
2727 		     i < num_to_fill; i++, desc++, entry++) {
2728 			/*
2729 			 * NOTE: we're mapping the values here directly
2730 			 * from the SCSI/ATA bit definitions to the bio.h
2731 			 * definitions.  There is also a warning in
2732 			 * disk_zone.h, but the impact is that if
2733 			 * additional values are added in the SCSI/ATA
2734 			 * specs these will be visible to consumers of
2735 			 * this interface.
2736 			 */
2737 			entry->zone_type = desc->zone_type & SRZ_TYPE_MASK;
2738 			entry->zone_condition =
2739 			    (desc->zone_flags & SRZ_ZONE_COND_MASK) >>
2740 			    SRZ_ZONE_COND_SHIFT;
2741 			entry->zone_flags |= desc->zone_flags &
2742 			    (SRZ_ZONE_NON_SEQ|SRZ_ZONE_RESET);
2743 			entry->zone_length = le64dec(desc->zone_length);
2744 			entry->zone_start_lba = le64dec(desc->zone_start_lba);
2745 			entry->write_pointer_lba =
2746 			    le64dec(desc->write_pointer_lba);
2747 		}
2748 		rep->entries_filled = num_to_fill;
2749 		/*
2750 		 * Note that this residual is accurate from the user's
2751 		 * standpoint, but the amount transferred isn't accurate
2752 		 * from the standpoint of what actually came back from the
2753 		 * drive.
2754 		 */
2755 		bp->bio_resid = bp->bio_bcount - (num_to_fill * sizeof(*entry));
2756 		break;
2757 	}
2758 	case DISK_ZONE_GET_PARAMS:
2759 	default:
2760 		/*
2761 		 * In theory we should not get a GET_PARAMS bio, since it
2762 		 * should be handled without queueing the command to the
2763 		 * drive.
2764 		 */
2765 		panic("%s: Invalid zone command %d", __func__,
2766 		    bp->bio_zone.zone_cmd);
2767 		break;
2768 	}
2769 
2770 	if (bp->bio_zone.zone_cmd == DISK_ZONE_REPORT_ZONES)
2771 		free(ccb->ataio.data_ptr, M_ATADA);
2772 }
2773 
2774 
2775 static void
2776 adadone(struct cam_periph *periph, union ccb *done_ccb)
2777 {
2778 	struct ada_softc *softc;
2779 	struct ccb_ataio *ataio;
2780 	struct cam_path *path;
2781 	uint32_t priority;
2782 	int state;
2783 
2784 	softc = (struct ada_softc *)periph->softc;
2785 	ataio = &done_ccb->ataio;
2786 	path = done_ccb->ccb_h.path;
2787 	priority = done_ccb->ccb_h.pinfo.priority;
2788 
2789 	CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n"));
2790 
2791 	state = ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK;
2792 	switch (state) {
2793 	case ADA_CCB_BUFFER_IO:
2794 	case ADA_CCB_TRIM:
2795 	{
2796 		struct bio *bp;
2797 		int error;
2798 
2799 		cam_periph_lock(periph);
2800 		bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2801 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2802 			error = adaerror(done_ccb, 0, 0);
2803 			if (error == ERESTART) {
2804 				/* A retry was scheduled, so just return. */
2805 				cam_periph_unlock(periph);
2806 				return;
2807 			}
2808 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
2809 				cam_release_devq(path,
2810 						 /*relsim_flags*/0,
2811 						 /*reduction*/0,
2812 						 /*timeout*/0,
2813 						 /*getcount_only*/0);
2814 			/*
2815 			 * If we get an error on an NCQ DSM TRIM, fall back
2816 			 * to a non-NCQ DSM TRIM forever. Please note that if
2817 			 * CAN_NCQ_TRIM is set, CAN_TRIM is necessarily set too.
2818 			 * However, for this one trim, we treat it as advisory
2819 			 * and return success up the stack.
2820 			 */
2821 			if (state == ADA_CCB_TRIM &&
2822 			    error != 0 &&
2823 			    (softc->flags & ADA_FLAG_CAN_NCQ_TRIM) != 0) {
2824 				softc->flags &= ~ADA_FLAG_CAN_NCQ_TRIM;
2825 				error = 0;
2826 				adasetdeletemethod(softc);
2827 			}
2828 		} else {
2829 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
2830 				panic("REQ_CMP with QFRZN");
2831 
2832 			error = 0;
2833 		}
2834 		bp->bio_error = error;
2835 		if (error != 0) {
2836 			bp->bio_resid = bp->bio_bcount;
2837 			bp->bio_flags |= BIO_ERROR;
2838 		} else {
2839 			if (bp->bio_cmd == BIO_ZONE)
2840 				adazonedone(periph, done_ccb);
2841 			else if (state == ADA_CCB_TRIM)
2842 				bp->bio_resid = 0;
2843 			else
2844 				bp->bio_resid = ataio->resid;
2845 
2846 			if ((bp->bio_resid > 0)
2847 			 && (bp->bio_cmd != BIO_ZONE))
2848 				bp->bio_flags |= BIO_ERROR;
2849 		}
2850 		softc->outstanding_cmds--;
2851 		if (softc->outstanding_cmds == 0)
2852 			softc->flags |= ADA_FLAG_WAS_OTAG;
2853 
2854 		/*
2855 		 * We need to call cam_iosched before we call biodone so that we
2856 		 * don't measure any activity that happens in the completion
2857 		 * routine, which in the case of sendfile can be quite
2858 		 * extensive.  Release the periph refcount taken in adastart()
2859 		 * for each CCB.
2860 		 */
2861 		cam_iosched_bio_complete(softc->cam_iosched, bp, done_ccb);
2862 		xpt_release_ccb(done_ccb);
2863 		KASSERT(softc->refcount >= 1, ("adadone softc %p refcount %d", softc, softc->refcount));
2864 		softc->refcount--;
2865 		if (state == ADA_CCB_TRIM) {
2866 			TAILQ_HEAD(, bio) queue;
2867 			struct bio *bp1;
2868 
2869 			TAILQ_INIT(&queue);
2870 			TAILQ_CONCAT(&queue, &softc->trim_req.bps, bio_queue);
2871 			/*
2872 			 * Normally, the xpt_release_ccb() above would make sure
2873 			 * that when we have more work to do, that work would
2874 			 * get kicked off. However, we specifically keep
2875 			 * trim_running set to 0 before the call above to allow
2876 			 * other I/O to progress when many BIO_DELETE requests
2877 			 * are pushed down. We set trim_running to 0 and call
2878 			 * daschedule again so that we don't stall if there are
2879 			 * no other I/Os pending apart from BIO_DELETEs.
2880 			 */
2881 			cam_iosched_trim_done(softc->cam_iosched);
2882 			adaschedule(periph);
2883 			cam_periph_unlock(periph);
2884 			while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
2885 				TAILQ_REMOVE(&queue, bp1, bio_queue);
2886 				bp1->bio_error = error;
2887 				if (error != 0) {
2888 					bp1->bio_flags |= BIO_ERROR;
2889 					bp1->bio_resid = bp1->bio_bcount;
2890 				} else
2891 					bp1->bio_resid = 0;
2892 				biodone(bp1);
2893 			}
2894 		} else {
2895 			adaschedule(periph);
2896 			cam_periph_unlock(periph);
2897 			biodone(bp);
2898 		}
2899 		return;
2900 	}
2901 	case ADA_CCB_RAHEAD:
2902 	{
2903 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2904 			if (adaerror(done_ccb, 0, 0) == ERESTART) {
2905 				/* Drop freeze taken due to CAM_DEV_QFREEZE */
2906 				cam_release_devq(path, 0, 0, 0, FALSE);
2907 				return;
2908 			} else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
2909 				cam_release_devq(path,
2910 				    /*relsim_flags*/0,
2911 				    /*reduction*/0,
2912 				    /*timeout*/0,
2913 				    /*getcount_only*/0);
2914 			}
2915 		}
2916 
2917 		/*
2918 		 * Since our peripheral may be invalidated by an error
2919 		 * above or an external event, we must release our CCB
2920 		 * before releasing the reference on the peripheral.
2921 		 * The peripheral will only go away once the last reference
2922 		 * is removed, and we need it around for the CCB release
2923 		 * operation.
2924 		 */
2925 
2926 		xpt_release_ccb(done_ccb);
2927 		softc->state = ADA_STATE_WCACHE;
2928 		xpt_schedule(periph, priority);
2929 		/* Drop freeze taken due to CAM_DEV_QFREEZE */
2930 		cam_release_devq(path, 0, 0, 0, FALSE);
2931 		return;
2932 	}
2933 	case ADA_CCB_WCACHE:
2934 	{
2935 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2936 			if (adaerror(done_ccb, 0, 0) == ERESTART) {
2937 				/* Drop freeze taken due to CAM_DEV_QFREEZE */
2938 				cam_release_devq(path, 0, 0, 0, FALSE);
2939 				return;
2940 			} else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
2941 				cam_release_devq(path,
2942 				    /*relsim_flags*/0,
2943 				    /*reduction*/0,
2944 				    /*timeout*/0,
2945 				    /*getcount_only*/0);
2946 			}
2947 		}
2948 
2949 		/* Drop freeze taken due to CAM_DEV_QFREEZE */
2950 		cam_release_devq(path, 0, 0, 0, FALSE);
2951 
2952 		if ((softc->flags & ADA_FLAG_CAN_LOG)
2953 		 && (softc->zone_mode != ADA_ZONE_NONE)) {
2954 			xpt_release_ccb(done_ccb);
2955 			softc->state = ADA_STATE_LOGDIR;
2956 			xpt_schedule(periph, priority);
2957 		} else {
2958 			adaprobedone(periph, done_ccb);
2959 		}
2960 		return;
2961 	}
2962 	case ADA_CCB_LOGDIR:
2963 	{
2964 		int error;
2965 
2966 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
2967 			error = 0;
2968 			softc->valid_logdir_len = 0;
2969 			bzero(&softc->ata_logdir, sizeof(softc->ata_logdir));
2970 			softc->valid_logdir_len =
2971 				ataio->dxfer_len - ataio->resid;
2972 			if (softc->valid_logdir_len > 0)
2973 				bcopy(ataio->data_ptr, &softc->ata_logdir,
2974 				    min(softc->valid_logdir_len,
2975 					sizeof(softc->ata_logdir)));
2976 			/*
2977 			 * Figure out whether the Identify Device log is
2978 			 * supported.  The General Purpose log directory
2979 			 * has a header, and lists the number of pages
2980 			 * available for each GP log identified by the
2981 			 * offset into the list.
2982 			 */
2983 			if ((softc->valid_logdir_len >=
2984 			    ((ATA_IDENTIFY_DATA_LOG + 1) * sizeof(uint16_t)))
2985 			 && (le16dec(softc->ata_logdir.header) ==
2986 			     ATA_GP_LOG_DIR_VERSION)
2987 			 && (le16dec(&softc->ata_logdir.num_pages[
2988 			     (ATA_IDENTIFY_DATA_LOG *
2989 			     sizeof(uint16_t)) - sizeof(uint16_t)]) > 0)){
2990 				softc->flags |= ADA_FLAG_CAN_IDLOG;
2991 			} else {
2992 				softc->flags &= ~ADA_FLAG_CAN_IDLOG;
2993 			}
2994 		} else {
2995 			error = adaerror(done_ccb, CAM_RETRY_SELTO,
2996 					 SF_RETRY_UA|SF_NO_PRINT);
2997 			if (error == ERESTART)
2998 				return;
2999 			else if (error != 0) {
3000 				/*
3001 				 * If we can't get the ATA log directory,
3002 				 * then ATA logs are effectively not
3003 				 * supported even if the bit is set in the
3004 				 * identify data.
3005 				 */
3006 				softc->flags &= ~(ADA_FLAG_CAN_LOG |
3007 						  ADA_FLAG_CAN_IDLOG);
3008 				if ((done_ccb->ccb_h.status &
3009 				     CAM_DEV_QFRZN) != 0) {
3010 					/* Don't wedge this device's queue */
3011 					cam_release_devq(done_ccb->ccb_h.path,
3012 							 /*relsim_flags*/0,
3013 							 /*reduction*/0,
3014 							 /*timeout*/0,
3015 							 /*getcount_only*/0);
3016 				}
3017 			}
3018 
3019 
3020 		}
3021 
3022 		free(ataio->data_ptr, M_ATADA);
3023 
3024 		if ((error == 0)
3025 		 && (softc->flags & ADA_FLAG_CAN_IDLOG)) {
3026 			softc->state = ADA_STATE_IDDIR;
3027 			xpt_release_ccb(done_ccb);
3028 			xpt_schedule(periph, priority);
3029 		} else
3030 			adaprobedone(periph, done_ccb);
3031 
3032 		return;
3033 	}
3034 	case ADA_CCB_IDDIR: {
3035 		int error;
3036 
3037 		if ((ataio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3038 			off_t entries_offset, max_entries;
3039 			error = 0;
3040 
3041 			softc->valid_iddir_len = 0;
3042 			bzero(&softc->ata_iddir, sizeof(softc->ata_iddir));
3043 			softc->flags &= ~(ADA_FLAG_CAN_SUPCAP |
3044 					  ADA_FLAG_CAN_ZONE);
3045 			softc->valid_iddir_len =
3046 				ataio->dxfer_len - ataio->resid;
3047 			if (softc->valid_iddir_len > 0)
3048 				bcopy(ataio->data_ptr, &softc->ata_iddir,
3049 				    min(softc->valid_iddir_len,
3050 					sizeof(softc->ata_iddir)));
3051 
3052 			entries_offset =
3053 			    __offsetof(struct ata_identify_log_pages,entries);
3054 			max_entries = softc->valid_iddir_len - entries_offset;
3055 			if ((softc->valid_iddir_len > (entries_offset + 1))
3056 			 && (le64dec(softc->ata_iddir.header) ==
3057 			     ATA_IDLOG_REVISION)
3058 			 && (softc->ata_iddir.entry_count > 0)) {
3059 				int num_entries, i;
3060 
3061 				num_entries = softc->ata_iddir.entry_count;
3062 				num_entries = min(num_entries,
3063 				   softc->valid_iddir_len - entries_offset);
3064 				for (i = 0; i < num_entries &&
3065 				     i < max_entries; i++) {
3066 					if (softc->ata_iddir.entries[i] ==
3067 					    ATA_IDL_SUP_CAP)
3068 						softc->flags |=
3069 						    ADA_FLAG_CAN_SUPCAP;
3070 					else if (softc->ata_iddir.entries[i]==
3071 						 ATA_IDL_ZDI)
3072 						softc->flags |=
3073 						    ADA_FLAG_CAN_ZONE;
3074 
3075 					if ((softc->flags &
3076 					     ADA_FLAG_CAN_SUPCAP)
3077 					 && (softc->flags &
3078 					     ADA_FLAG_CAN_ZONE))
3079 						break;
3080 				}
3081 			}
3082 		} else {
3083 			error = adaerror(done_ccb, CAM_RETRY_SELTO,
3084 					 SF_RETRY_UA|SF_NO_PRINT);
3085 			if (error == ERESTART)
3086 				return;
3087 			else if (error != 0) {
3088 				/*
3089 				 * If we can't get the ATA Identify Data log
3090 				 * directory, then it effectively isn't
3091 				 * supported even if the ATA Log directory
3092 				 * a non-zero number of pages present for
3093 				 * this log.
3094 				 */
3095 				softc->flags &= ~ADA_FLAG_CAN_IDLOG;
3096 				if ((done_ccb->ccb_h.status &
3097 				     CAM_DEV_QFRZN) != 0) {
3098 					/* Don't wedge this device's queue */
3099 					cam_release_devq(done_ccb->ccb_h.path,
3100 							 /*relsim_flags*/0,
3101 							 /*reduction*/0,
3102 							 /*timeout*/0,
3103 							 /*getcount_only*/0);
3104 				}
3105 			}
3106 		}
3107 
3108 		free(ataio->data_ptr, M_ATADA);
3109 
3110 		if ((error == 0)
3111 		 && (softc->flags & ADA_FLAG_CAN_SUPCAP)) {
3112 			softc->state = ADA_STATE_SUP_CAP;
3113 			xpt_release_ccb(done_ccb);
3114 			xpt_schedule(periph, priority);
3115 		} else
3116 			adaprobedone(periph, done_ccb);
3117 		return;
3118 	}
3119 	case ADA_CCB_SUP_CAP: {
3120 		int error;
3121 
3122 		if ((ataio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3123 			uint32_t valid_len;
3124 			size_t needed_size;
3125 			struct ata_identify_log_sup_cap *sup_cap;
3126 			error = 0;
3127 
3128 			sup_cap = (struct ata_identify_log_sup_cap *)
3129 			    ataio->data_ptr;
3130 			valid_len = ataio->dxfer_len - ataio->resid;
3131 			needed_size =
3132 			    __offsetof(struct ata_identify_log_sup_cap,
3133 			    sup_zac_cap) + 1 + sizeof(sup_cap->sup_zac_cap);
3134 			if (valid_len >= needed_size) {
3135 				uint64_t zoned, zac_cap;
3136 
3137 				zoned = le64dec(sup_cap->zoned_cap);
3138 				if (zoned & ATA_ZONED_VALID) {
3139 					/*
3140 					 * This should have already been
3141 					 * set, because this is also in the
3142 					 * ATA identify data.
3143 					 */
3144 					if ((zoned & ATA_ZONED_MASK) ==
3145 					    ATA_SUPPORT_ZONE_HOST_AWARE)
3146 						softc->zone_mode =
3147 						    ADA_ZONE_HOST_AWARE;
3148 					else if ((zoned & ATA_ZONED_MASK) ==
3149 					    ATA_SUPPORT_ZONE_DEV_MANAGED)
3150 						softc->zone_mode =
3151 						    ADA_ZONE_DRIVE_MANAGED;
3152 				}
3153 
3154 				zac_cap = le64dec(sup_cap->sup_zac_cap);
3155 				if (zac_cap & ATA_SUP_ZAC_CAP_VALID) {
3156 					if (zac_cap & ATA_REPORT_ZONES_SUP)
3157 						softc->zone_flags |=
3158 						    ADA_ZONE_FLAG_RZ_SUP;
3159 					if (zac_cap & ATA_ND_OPEN_ZONE_SUP)
3160 						softc->zone_flags |=
3161 						    ADA_ZONE_FLAG_OPEN_SUP;
3162 					if (zac_cap & ATA_ND_CLOSE_ZONE_SUP)
3163 						softc->zone_flags |=
3164 						    ADA_ZONE_FLAG_CLOSE_SUP;
3165 					if (zac_cap & ATA_ND_FINISH_ZONE_SUP)
3166 						softc->zone_flags |=
3167 						    ADA_ZONE_FLAG_FINISH_SUP;
3168 					if (zac_cap & ATA_ND_RWP_SUP)
3169 						softc->zone_flags |=
3170 						    ADA_ZONE_FLAG_RWP_SUP;
3171 				} else {
3172 					/*
3173 					 * This field was introduced in
3174 					 * ACS-4, r08 on April 28th, 2015.
3175 					 * If the drive firmware was written
3176 					 * to an earlier spec, it won't have
3177 					 * the field.  So, assume all
3178 					 * commands are supported.
3179 					 */
3180 					softc->zone_flags |=
3181 					    ADA_ZONE_FLAG_SUP_MASK;
3182 				}
3183 
3184 			}
3185 		} else {
3186 			error = adaerror(done_ccb, CAM_RETRY_SELTO,
3187 					 SF_RETRY_UA|SF_NO_PRINT);
3188 			if (error == ERESTART)
3189 				return;
3190 			else if (error != 0) {
3191 				/*
3192 				 * If we can't get the ATA Identify Data
3193 				 * Supported Capabilities page, clear the
3194 				 * flag...
3195 				 */
3196 				softc->flags &= ~ADA_FLAG_CAN_SUPCAP;
3197 				/*
3198 				 * And clear zone capabilities.
3199 				 */
3200 				softc->zone_flags &= ~ADA_ZONE_FLAG_SUP_MASK;
3201 				if ((done_ccb->ccb_h.status &
3202 				     CAM_DEV_QFRZN) != 0) {
3203 					/* Don't wedge this device's queue */
3204 					cam_release_devq(done_ccb->ccb_h.path,
3205 							 /*relsim_flags*/0,
3206 							 /*reduction*/0,
3207 							 /*timeout*/0,
3208 							 /*getcount_only*/0);
3209 				}
3210 			}
3211 		}
3212 
3213 		free(ataio->data_ptr, M_ATADA);
3214 
3215 		if ((error == 0)
3216 		 && (softc->flags & ADA_FLAG_CAN_ZONE)) {
3217 			softc->state = ADA_STATE_ZONE;
3218 			xpt_release_ccb(done_ccb);
3219 			xpt_schedule(periph, priority);
3220 		} else
3221 			adaprobedone(periph, done_ccb);
3222 		return;
3223 	}
3224 	case ADA_CCB_ZONE: {
3225 		int error;
3226 
3227 		if ((ataio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3228 			struct ata_zoned_info_log *zi_log;
3229 			uint32_t valid_len;
3230 			size_t needed_size;
3231 
3232 			zi_log = (struct ata_zoned_info_log *)ataio->data_ptr;
3233 
3234 			valid_len = ataio->dxfer_len - ataio->resid;
3235 			needed_size = __offsetof(struct ata_zoned_info_log,
3236 			    version_info) + 1 + sizeof(zi_log->version_info);
3237 			if (valid_len >= needed_size) {
3238 				uint64_t tmpvar;
3239 
3240 				tmpvar = le64dec(zi_log->zoned_cap);
3241 				if (tmpvar & ATA_ZDI_CAP_VALID) {
3242 					if (tmpvar & ATA_ZDI_CAP_URSWRZ)
3243 						softc->zone_flags |=
3244 						    ADA_ZONE_FLAG_URSWRZ;
3245 					else
3246 						softc->zone_flags &=
3247 						    ~ADA_ZONE_FLAG_URSWRZ;
3248 				}
3249 				tmpvar = le64dec(zi_log->optimal_seq_zones);
3250 				if (tmpvar & ATA_ZDI_OPT_SEQ_VALID) {
3251 					softc->zone_flags |=
3252 					    ADA_ZONE_FLAG_OPT_SEQ_SET;
3253 					softc->optimal_seq_zones = (tmpvar &
3254 					    ATA_ZDI_OPT_SEQ_MASK);
3255 				} else {
3256 					softc->zone_flags &=
3257 					    ~ADA_ZONE_FLAG_OPT_SEQ_SET;
3258 					softc->optimal_seq_zones = 0;
3259 				}
3260 
3261 				tmpvar =le64dec(zi_log->optimal_nonseq_zones);
3262 				if (tmpvar & ATA_ZDI_OPT_NS_VALID) {
3263 					softc->zone_flags |=
3264 					    ADA_ZONE_FLAG_OPT_NONSEQ_SET;
3265 					softc->optimal_nonseq_zones =
3266 					    (tmpvar & ATA_ZDI_OPT_NS_MASK);
3267 				} else {
3268 					softc->zone_flags &=
3269 					    ~ADA_ZONE_FLAG_OPT_NONSEQ_SET;
3270 					softc->optimal_nonseq_zones = 0;
3271 				}
3272 
3273 				tmpvar = le64dec(zi_log->max_seq_req_zones);
3274 				if (tmpvar & ATA_ZDI_MAX_SEQ_VALID) {
3275 					softc->zone_flags |=
3276 					    ADA_ZONE_FLAG_MAX_SEQ_SET;
3277 					softc->max_seq_zones =
3278 					    (tmpvar & ATA_ZDI_MAX_SEQ_MASK);
3279 				} else {
3280 					softc->zone_flags &=
3281 					    ~ADA_ZONE_FLAG_MAX_SEQ_SET;
3282 					softc->max_seq_zones = 0;
3283 				}
3284 			}
3285 		} else {
3286 			error = adaerror(done_ccb, CAM_RETRY_SELTO,
3287 					 SF_RETRY_UA|SF_NO_PRINT);
3288 			if (error == ERESTART)
3289 				return;
3290 			else if (error != 0) {
3291 				softc->flags &= ~ADA_FLAG_CAN_ZONE;
3292 				softc->flags &= ~ADA_ZONE_FLAG_SET_MASK;
3293 
3294 				if ((done_ccb->ccb_h.status &
3295 				     CAM_DEV_QFRZN) != 0) {
3296 					/* Don't wedge this device's queue */
3297 					cam_release_devq(done_ccb->ccb_h.path,
3298 							 /*relsim_flags*/0,
3299 							 /*reduction*/0,
3300 							 /*timeout*/0,
3301 							 /*getcount_only*/0);
3302 				}
3303 			}
3304 
3305 		}
3306 		free(ataio->data_ptr, M_ATADA);
3307 
3308 		adaprobedone(periph, done_ccb);
3309 		return;
3310 	}
3311 	case ADA_CCB_DUMP:
3312 		/* No-op.  We're polling */
3313 		return;
3314 	default:
3315 		break;
3316 	}
3317 	xpt_release_ccb(done_ccb);
3318 }
3319 
3320 static int
3321 adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
3322 {
3323 #ifdef CAM_IO_STATS
3324 	struct ada_softc *softc;
3325 	struct cam_periph *periph;
3326 
3327 	periph = xpt_path_periph(ccb->ccb_h.path);
3328 	softc = (struct ada_softc *)periph->softc;
3329 
3330 	switch (ccb->ccb_h.status & CAM_STATUS_MASK) {
3331 	case CAM_CMD_TIMEOUT:
3332 		softc->timeouts++;
3333 		break;
3334 	case CAM_REQ_ABORTED:
3335 	case CAM_REQ_CMP_ERR:
3336 	case CAM_REQ_TERMIO:
3337 	case CAM_UNREC_HBA_ERROR:
3338 	case CAM_DATA_RUN_ERR:
3339 	case CAM_ATA_STATUS_ERROR:
3340 		softc->errors++;
3341 		break;
3342 	default:
3343 		break;
3344 	}
3345 #endif
3346 
3347 	return(cam_periph_error(ccb, cam_flags, sense_flags));
3348 }
3349 
3350 static void
3351 adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd)
3352 {
3353 	struct ada_softc *softc = (struct ada_softc *)periph->softc;
3354 	struct disk_params *dp = &softc->params;
3355 	u_int64_t lbasize48;
3356 	u_int32_t lbasize;
3357 
3358 	dp->secsize = ata_logical_sector_size(&cgd->ident_data);
3359 	if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) &&
3360 		cgd->ident_data.current_heads && cgd->ident_data.current_sectors) {
3361 		dp->heads = cgd->ident_data.current_heads;
3362 		dp->secs_per_track = cgd->ident_data.current_sectors;
3363 		dp->cylinders = cgd->ident_data.cylinders;
3364 		dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 |
3365 			  ((u_int32_t)cgd->ident_data.current_size_2 << 16);
3366 	} else {
3367 		dp->heads = cgd->ident_data.heads;
3368 		dp->secs_per_track = cgd->ident_data.sectors;
3369 		dp->cylinders = cgd->ident_data.cylinders;
3370 		dp->sectors = cgd->ident_data.cylinders *
3371 			      (u_int32_t)(dp->heads * dp->secs_per_track);
3372 	}
3373 	lbasize = (u_int32_t)cgd->ident_data.lba_size_1 |
3374 		  ((u_int32_t)cgd->ident_data.lba_size_2 << 16);
3375 
3376 	/* use the 28bit LBA size if valid or bigger than the CHS mapping */
3377 	if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize)
3378 		dp->sectors = lbasize;
3379 
3380 	/* use the 48bit LBA size if valid */
3381 	lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) |
3382 		    ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) |
3383 		    ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) |
3384 		    ((u_int64_t)cgd->ident_data.lba_size48_4 << 48);
3385 	if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) &&
3386 	    lbasize48 > ATA_MAX_28BIT_LBA)
3387 		dp->sectors = lbasize48;
3388 }
3389 
3390 static void
3391 adasendorderedtag(void *arg)
3392 {
3393 	struct ada_softc *softc = arg;
3394 
3395 	if (ada_send_ordered) {
3396 		if (softc->outstanding_cmds > 0) {
3397 			if ((softc->flags & ADA_FLAG_WAS_OTAG) == 0)
3398 				softc->flags |= ADA_FLAG_NEED_OTAG;
3399 			softc->flags &= ~ADA_FLAG_WAS_OTAG;
3400 		}
3401 	}
3402 	/* Queue us up again */
3403 	callout_reset(&softc->sendordered_c,
3404 	    (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL,
3405 	    adasendorderedtag, softc);
3406 }
3407 
3408 /*
3409  * Step through all ADA peripheral drivers, and if the device is still open,
3410  * sync the disk cache to physical media.
3411  */
3412 static void
3413 adaflush(void)
3414 {
3415 	struct cam_periph *periph;
3416 	struct ada_softc *softc;
3417 	union ccb *ccb;
3418 	int error;
3419 
3420 	CAM_PERIPH_FOREACH(periph, &adadriver) {
3421 		softc = (struct ada_softc *)periph->softc;
3422 		if (SCHEDULER_STOPPED()) {
3423 			/* If we paniced with the lock held, do not recurse. */
3424 			if (!cam_periph_owned(periph) &&
3425 			    (softc->flags & ADA_FLAG_OPEN)) {
3426 				adadump(softc->disk, NULL, 0, 0, 0);
3427 			}
3428 			continue;
3429 		}
3430 		cam_periph_lock(periph);
3431 		/*
3432 		 * We only sync the cache if the drive is still open, and
3433 		 * if the drive is capable of it..
3434 		 */
3435 		if (((softc->flags & ADA_FLAG_OPEN) == 0) ||
3436 		    (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) {
3437 			cam_periph_unlock(periph);
3438 			continue;
3439 		}
3440 
3441 		ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3442 		cam_fill_ataio(&ccb->ataio,
3443 				    0,
3444 				    NULL,
3445 				    CAM_DIR_NONE,
3446 				    0,
3447 				    NULL,
3448 				    0,
3449 				    ada_default_timeout*1000);
3450 		if (softc->flags & ADA_FLAG_CAN_48BIT)
3451 			ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0);
3452 		else
3453 			ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0);
3454 
3455 		error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0,
3456 		    /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY,
3457 		    softc->disk->d_devstat);
3458 		if (error != 0)
3459 			xpt_print(periph->path, "Synchronize cache failed\n");
3460 		xpt_release_ccb(ccb);
3461 		cam_periph_unlock(periph);
3462 	}
3463 }
3464 
3465 static void
3466 adaspindown(uint8_t cmd, int flags)
3467 {
3468 	struct cam_periph *periph;
3469 	struct ada_softc *softc;
3470 	struct ccb_ataio local_ccb;
3471 	int error;
3472 
3473 	CAM_PERIPH_FOREACH(periph, &adadriver) {
3474 		/* If we paniced with lock held - not recurse here. */
3475 		if (cam_periph_owned(periph))
3476 			continue;
3477 		cam_periph_lock(periph);
3478 		softc = (struct ada_softc *)periph->softc;
3479 		/*
3480 		 * We only spin-down the drive if it is capable of it..
3481 		 */
3482 		if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) {
3483 			cam_periph_unlock(periph);
3484 			continue;
3485 		}
3486 
3487 		if (bootverbose)
3488 			xpt_print(periph->path, "spin-down\n");
3489 
3490 		memset(&local_ccb, 0, sizeof(local_ccb));
3491 		xpt_setup_ccb(&local_ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3492 		local_ccb.ccb_h.ccb_state = ADA_CCB_DUMP;
3493 
3494 		cam_fill_ataio(&local_ccb,
3495 				    0,
3496 				    NULL,
3497 				    CAM_DIR_NONE | flags,
3498 				    0,
3499 				    NULL,
3500 				    0,
3501 				    ada_default_timeout*1000);
3502 		ata_28bit_cmd(&local_ccb, cmd, 0, 0, 0);
3503 		error = cam_periph_runccb((union ccb *)&local_ccb, adaerror,
3504 		    /*cam_flags*/0, /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY,
3505 		    softc->disk->d_devstat);
3506 		if (error != 0)
3507 			xpt_print(periph->path, "Spin-down disk failed\n");
3508 		cam_periph_unlock(periph);
3509 	}
3510 }
3511 
3512 static void
3513 adashutdown(void *arg, int howto)
3514 {
3515 	int how;
3516 
3517 	adaflush();
3518 
3519 	/*
3520 	 * STANDBY IMMEDIATE saves any volatile data to the drive. It also spins
3521 	 * down hard drives. IDLE IMMEDIATE also saves the volatile data without
3522 	 * a spindown. We send the former when we expect to lose power soon. For
3523 	 * a warm boot, we send the latter to avoid a thundering herd of spinups
3524 	 * just after the kernel loads while probing. We have to do something to
3525 	 * flush the data because the BIOS in many systems resets the HBA
3526 	 * causing a COMINIT/COMRESET negotiation, which some drives interpret
3527 	 * as license to toss the volatile data, and others count as unclean
3528 	 * shutdown when in the Active PM state in SMART attributes.
3529 	 *
3530 	 * adaspindown will ensure that we don't send this to a drive that
3531 	 * doesn't support it.
3532 	 */
3533 	if (ada_spindown_shutdown != 0) {
3534 		how = (howto & (RB_HALT | RB_POWEROFF | RB_POWERCYCLE)) ?
3535 		    ATA_STANDBY_IMMEDIATE : ATA_IDLE_IMMEDIATE;
3536 		adaspindown(how, 0);
3537 	}
3538 }
3539 
3540 static void
3541 adasuspend(void *arg)
3542 {
3543 
3544 	adaflush();
3545 	/*
3546 	 * SLEEP also fushes any volatile data, like STANDBY IMEDIATE,
3547 	 * so we don't need to send it as well.
3548 	 */
3549 	if (ada_spindown_suspend != 0)
3550 		adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE);
3551 }
3552 
3553 static void
3554 adaresume(void *arg)
3555 {
3556 	struct cam_periph *periph;
3557 	struct ada_softc *softc;
3558 
3559 	if (ada_spindown_suspend == 0)
3560 		return;
3561 
3562 	CAM_PERIPH_FOREACH(periph, &adadriver) {
3563 		cam_periph_lock(periph);
3564 		softc = (struct ada_softc *)periph->softc;
3565 		/*
3566 		 * We only spin-down the drive if it is capable of it..
3567 		 */
3568 		if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) {
3569 			cam_periph_unlock(periph);
3570 			continue;
3571 		}
3572 
3573 		if (bootverbose)
3574 			xpt_print(periph->path, "resume\n");
3575 
3576 		/*
3577 		 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on
3578 		 * sleep request.
3579 		 */
3580 		cam_release_devq(periph->path,
3581 			 /*relsim_flags*/0,
3582 			 /*openings*/0,
3583 			 /*timeout*/0,
3584 			 /*getcount_only*/0);
3585 
3586 		cam_periph_unlock(periph);
3587 	}
3588 }
3589 
3590 #endif /* _KERNEL */
3591