xref: /freebsd/sys/cam/ata/ata_da.c (revision 512bd18d)
1 /*-
2  * Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer,
10  *    without modification, immediately at the beginning of the file.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include "opt_ada.h"
31 
32 #include <sys/param.h>
33 
34 #ifdef _KERNEL
35 #include <sys/systm.h>
36 #include <sys/kernel.h>
37 #include <sys/bio.h>
38 #include <sys/sysctl.h>
39 #include <sys/taskqueue.h>
40 #include <sys/lock.h>
41 #include <sys/mutex.h>
42 #include <sys/conf.h>
43 #include <sys/devicestat.h>
44 #include <sys/eventhandler.h>
45 #include <sys/malloc.h>
46 #include <sys/endian.h>
47 #include <sys/cons.h>
48 #include <sys/proc.h>
49 #include <sys/reboot.h>
50 #include <sys/sbuf.h>
51 #include <geom/geom_disk.h>
52 #endif /* _KERNEL */
53 
54 #ifndef _KERNEL
55 #include <stdio.h>
56 #include <string.h>
57 #endif /* _KERNEL */
58 
59 #include <cam/cam.h>
60 #include <cam/cam_ccb.h>
61 #include <cam/cam_periph.h>
62 #include <cam/cam_xpt_periph.h>
63 #include <cam/scsi/scsi_all.h>
64 #include <cam/scsi/scsi_da.h>
65 #include <cam/cam_sim.h>
66 #include <cam/cam_iosched.h>
67 
68 #include <cam/ata/ata_all.h>
69 
70 #include <machine/md_var.h>	/* geometry translation */
71 
72 #ifdef _KERNEL
73 
74 #define ATA_MAX_28BIT_LBA               268435455UL
75 
76 extern int iosched_debug;
77 
78 typedef enum {
79 	ADA_STATE_RAHEAD,
80 	ADA_STATE_WCACHE,
81 	ADA_STATE_LOGDIR,
82 	ADA_STATE_IDDIR,
83 	ADA_STATE_SUP_CAP,
84 	ADA_STATE_ZONE,
85 	ADA_STATE_NORMAL
86 } ada_state;
87 
88 typedef enum {
89 	ADA_FLAG_CAN_48BIT	= 0x00000002,
90 	ADA_FLAG_CAN_FLUSHCACHE	= 0x00000004,
91 	ADA_FLAG_CAN_NCQ	= 0x00000008,
92 	ADA_FLAG_CAN_DMA	= 0x00000010,
93 	ADA_FLAG_NEED_OTAG	= 0x00000020,
94 	ADA_FLAG_WAS_OTAG	= 0x00000040,
95 	ADA_FLAG_CAN_TRIM	= 0x00000080,
96 	ADA_FLAG_OPEN		= 0x00000100,
97 	ADA_FLAG_SCTX_INIT	= 0x00000200,
98 	ADA_FLAG_CAN_CFA        = 0x00000400,
99 	ADA_FLAG_CAN_POWERMGT   = 0x00000800,
100 	ADA_FLAG_CAN_DMA48	= 0x00001000,
101 	ADA_FLAG_CAN_LOG	= 0x00002000,
102 	ADA_FLAG_CAN_IDLOG	= 0x00004000,
103 	ADA_FLAG_CAN_SUPCAP	= 0x00008000,
104 	ADA_FLAG_CAN_ZONE	= 0x00010000,
105 	ADA_FLAG_CAN_WCACHE	= 0x00020000,
106 	ADA_FLAG_CAN_RAHEAD	= 0x00040000,
107 	ADA_FLAG_PROBED		= 0x00080000,
108 	ADA_FLAG_ANNOUNCED	= 0x00100000,
109 	ADA_FLAG_DIRTY		= 0x00200000,
110 	ADA_FLAG_CAN_NCQ_TRIM	= 0x00400000,	/* CAN_TRIM also set */
111 	ADA_FLAG_PIM_ATA_EXT	= 0x00800000
112 } ada_flags;
113 
114 typedef enum {
115 	ADA_Q_NONE		= 0x00,
116 	ADA_Q_4K		= 0x01,
117 	ADA_Q_NCQ_TRIM_BROKEN	= 0x02,
118 	ADA_Q_LOG_BROKEN	= 0x04,
119 	ADA_Q_SMR_DM		= 0x08
120 } ada_quirks;
121 
122 #define ADA_Q_BIT_STRING	\
123 	"\020"			\
124 	"\0014K"		\
125 	"\002NCQ_TRIM_BROKEN"	\
126 	"\003LOG_BROKEN"	\
127 	"\004SMR_DM"
128 
129 typedef enum {
130 	ADA_CCB_RAHEAD		= 0x01,
131 	ADA_CCB_WCACHE		= 0x02,
132 	ADA_CCB_BUFFER_IO	= 0x03,
133 	ADA_CCB_DUMP		= 0x05,
134 	ADA_CCB_TRIM		= 0x06,
135 	ADA_CCB_LOGDIR		= 0x07,
136 	ADA_CCB_IDDIR		= 0x08,
137 	ADA_CCB_SUP_CAP		= 0x09,
138 	ADA_CCB_ZONE		= 0x0a,
139 	ADA_CCB_TYPE_MASK	= 0x0F,
140 } ada_ccb_state;
141 
142 typedef enum {
143 	ADA_ZONE_NONE		= 0x00,
144 	ADA_ZONE_DRIVE_MANAGED	= 0x01,
145 	ADA_ZONE_HOST_AWARE	= 0x02,
146 	ADA_ZONE_HOST_MANAGED	= 0x03
147 } ada_zone_mode;
148 
149 typedef enum {
150 	ADA_ZONE_FLAG_RZ_SUP		= 0x0001,
151 	ADA_ZONE_FLAG_OPEN_SUP		= 0x0002,
152 	ADA_ZONE_FLAG_CLOSE_SUP		= 0x0004,
153 	ADA_ZONE_FLAG_FINISH_SUP	= 0x0008,
154 	ADA_ZONE_FLAG_RWP_SUP		= 0x0010,
155 	ADA_ZONE_FLAG_SUP_MASK		= (ADA_ZONE_FLAG_RZ_SUP |
156 					   ADA_ZONE_FLAG_OPEN_SUP |
157 					   ADA_ZONE_FLAG_CLOSE_SUP |
158 					   ADA_ZONE_FLAG_FINISH_SUP |
159 					   ADA_ZONE_FLAG_RWP_SUP),
160 	ADA_ZONE_FLAG_URSWRZ		= 0x0020,
161 	ADA_ZONE_FLAG_OPT_SEQ_SET	= 0x0040,
162 	ADA_ZONE_FLAG_OPT_NONSEQ_SET	= 0x0080,
163 	ADA_ZONE_FLAG_MAX_SEQ_SET	= 0x0100,
164 	ADA_ZONE_FLAG_SET_MASK		= (ADA_ZONE_FLAG_OPT_SEQ_SET |
165 					   ADA_ZONE_FLAG_OPT_NONSEQ_SET |
166 					   ADA_ZONE_FLAG_MAX_SEQ_SET)
167 } ada_zone_flags;
168 
169 static struct ada_zone_desc {
170 	ada_zone_flags value;
171 	const char *desc;
172 } ada_zone_desc_table[] = {
173 	{ADA_ZONE_FLAG_RZ_SUP, "Report Zones" },
174 	{ADA_ZONE_FLAG_OPEN_SUP, "Open" },
175 	{ADA_ZONE_FLAG_CLOSE_SUP, "Close" },
176 	{ADA_ZONE_FLAG_FINISH_SUP, "Finish" },
177 	{ADA_ZONE_FLAG_RWP_SUP, "Reset Write Pointer" },
178 };
179 
180 
181 /* Offsets into our private area for storing information */
182 #define ccb_state	ppriv_field0
183 #define ccb_bp		ppriv_ptr1
184 
185 typedef enum {
186 	ADA_DELETE_NONE,
187 	ADA_DELETE_DISABLE,
188 	ADA_DELETE_CFA_ERASE,
189 	ADA_DELETE_DSM_TRIM,
190 	ADA_DELETE_NCQ_DSM_TRIM,
191 	ADA_DELETE_MIN = ADA_DELETE_CFA_ERASE,
192 	ADA_DELETE_MAX = ADA_DELETE_NCQ_DSM_TRIM,
193 } ada_delete_methods;
194 
195 static const char *ada_delete_method_names[] =
196     { "NONE", "DISABLE", "CFA_ERASE", "DSM_TRIM", "NCQ_DSM_TRIM" };
197 #if 0
198 static const char *ada_delete_method_desc[] =
199     { "NONE", "DISABLED", "CFA Erase", "DSM Trim", "DSM Trim via NCQ" };
200 #endif
201 
202 struct disk_params {
203 	u_int8_t  heads;
204 	u_int8_t  secs_per_track;
205 	u_int32_t cylinders;
206 	u_int32_t secsize;	/* Number of bytes/logical sector */
207 	u_int64_t sectors;	/* Total number sectors */
208 };
209 
210 #define TRIM_MAX_BLOCKS	8
211 #define TRIM_MAX_RANGES	(TRIM_MAX_BLOCKS * ATA_DSM_BLK_RANGES)
212 struct trim_request {
213 	uint8_t		data[TRIM_MAX_RANGES * ATA_DSM_RANGE_SIZE];
214 	TAILQ_HEAD(, bio) bps;
215 };
216 
217 struct ada_softc {
218 	struct   cam_iosched_softc *cam_iosched;
219 	int	 outstanding_cmds;	/* Number of active commands */
220 	int	 refcount;		/* Active xpt_action() calls */
221 	ada_state state;
222 	ada_flags flags;
223 	ada_zone_mode zone_mode;
224 	ada_zone_flags zone_flags;
225 	struct ata_gp_log_dir ata_logdir;
226 	int valid_logdir_len;
227 	struct ata_identify_log_pages ata_iddir;
228 	int valid_iddir_len;
229 	uint64_t optimal_seq_zones;
230 	uint64_t optimal_nonseq_zones;
231 	uint64_t max_seq_zones;
232 	ada_quirks quirks;
233 	ada_delete_methods delete_method;
234 	int	 trim_max_ranges;
235 	int	 read_ahead;
236 	int	 write_cache;
237 	int	 unmappedio;
238 	int	 rotating;
239 #ifdef ADA_TEST_FAILURE
240 	int      force_read_error;
241 	int      force_write_error;
242 	int      periodic_read_error;
243 	int      periodic_read_count;
244 #endif
245 	struct	 disk_params params;
246 	struct	 disk *disk;
247 	struct task		sysctl_task;
248 	struct sysctl_ctx_list	sysctl_ctx;
249 	struct sysctl_oid	*sysctl_tree;
250 	struct callout		sendordered_c;
251 	struct trim_request	trim_req;
252 #ifdef CAM_IO_STATS
253 	struct sysctl_ctx_list	sysctl_stats_ctx;
254 	struct sysctl_oid	*sysctl_stats_tree;
255 	u_int	timeouts;
256 	u_int	errors;
257 	u_int	invalidations;
258 #endif
259 #define ADA_ANNOUNCETMP_SZ 80
260 	char	announce_temp[ADA_ANNOUNCETMP_SZ];
261 #define ADA_ANNOUNCE_SZ 400
262 	char	announce_buffer[ADA_ANNOUNCE_SZ];
263 };
264 
265 struct ada_quirk_entry {
266 	struct scsi_inquiry_pattern inq_pat;
267 	ada_quirks quirks;
268 };
269 
270 static struct ada_quirk_entry ada_quirk_table[] =
271 {
272 	{
273 		/* Hitachi Advanced Format (4k) drives */
274 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Hitachi H??????????E3*", "*" },
275 		/*quirks*/ADA_Q_4K
276 	},
277 	{
278 		/* Samsung Advanced Format (4k) drives */
279 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD155UI*", "*" },
280 		/*quirks*/ADA_Q_4K
281 	},
282 	{
283 		/* Samsung Advanced Format (4k) drives */
284 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD204UI*", "*" },
285 		/*quirks*/ADA_Q_4K
286 	},
287 	{
288 		/* Seagate Barracuda Green Advanced Format (4k) drives */
289 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DL*", "*" },
290 		/*quirks*/ADA_Q_4K
291 	},
292 	{
293 		/* Seagate Barracuda Advanced Format (4k) drives */
294 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???DM*", "*" },
295 		/*quirks*/ADA_Q_4K
296 	},
297 	{
298 		/* Seagate Barracuda Advanced Format (4k) drives */
299 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DM*", "*" },
300 		/*quirks*/ADA_Q_4K
301 	},
302 	{
303 		/* Seagate Momentus Advanced Format (4k) drives */
304 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500423AS*", "*" },
305 		/*quirks*/ADA_Q_4K
306 	},
307 	{
308 		/* Seagate Momentus Advanced Format (4k) drives */
309 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500424AS*", "*" },
310 		/*quirks*/ADA_Q_4K
311 	},
312 	{
313 		/* Seagate Momentus Advanced Format (4k) drives */
314 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640423AS*", "*" },
315 		/*quirks*/ADA_Q_4K
316 	},
317 	{
318 		/* Seagate Momentus Advanced Format (4k) drives */
319 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640424AS*", "*" },
320 		/*quirks*/ADA_Q_4K
321 	},
322 	{
323 		/* Seagate Momentus Advanced Format (4k) drives */
324 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750420AS*", "*" },
325 		/*quirks*/ADA_Q_4K
326 	},
327 	{
328 		/* Seagate Momentus Advanced Format (4k) drives */
329 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750422AS*", "*" },
330 		/*quirks*/ADA_Q_4K
331 	},
332 	{
333 		/* Seagate Momentus Advanced Format (4k) drives */
334 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750423AS*", "*" },
335 		/*quirks*/ADA_Q_4K
336 	},
337 	{
338 		/* Seagate Momentus Thin Advanced Format (4k) drives */
339 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???LT*", "*" },
340 		/*quirks*/ADA_Q_4K
341 	},
342 	{
343 		/* WDC Caviar Red Advanced Format (4k) drives */
344 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????CX*", "*" },
345 		/*quirks*/ADA_Q_4K
346 	},
347 	{
348 		/* WDC Caviar Green Advanced Format (4k) drives */
349 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RS*", "*" },
350 		/*quirks*/ADA_Q_4K
351 	},
352 	{
353 		/* WDC Caviar Green/Red Advanced Format (4k) drives */
354 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RX*", "*" },
355 		/*quirks*/ADA_Q_4K
356 	},
357 	{
358 		/* WDC Caviar Red Advanced Format (4k) drives */
359 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????CX*", "*" },
360 		/*quirks*/ADA_Q_4K
361 	},
362 	{
363 		/* WDC Caviar Black Advanced Format (4k) drives */
364 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????EX*", "*" },
365 		/*quirks*/ADA_Q_4K
366 	},
367 	{
368 		/* WDC Caviar Green Advanced Format (4k) drives */
369 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RS*", "*" },
370 		/*quirks*/ADA_Q_4K
371 	},
372 	{
373 		/* WDC Caviar Green Advanced Format (4k) drives */
374 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RX*", "*" },
375 		/*quirks*/ADA_Q_4K
376 	},
377 	{
378 		/* WDC Scorpio Black Advanced Format (4k) drives */
379 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PKT*", "*" },
380 		/*quirks*/ADA_Q_4K
381 	},
382 	{
383 		/* WDC Scorpio Black Advanced Format (4k) drives */
384 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PKT*", "*" },
385 		/*quirks*/ADA_Q_4K
386 	},
387 	{
388 		/* WDC Scorpio Blue Advanced Format (4k) drives */
389 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PVT*", "*" },
390 		/*quirks*/ADA_Q_4K
391 	},
392 	{
393 		/* WDC Scorpio Blue Advanced Format (4k) drives */
394 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PVT*", "*" },
395 		/*quirks*/ADA_Q_4K
396 	},
397 	/* SSDs */
398 	{
399 		/*
400 		 * Corsair Force 2 SSDs
401 		 * 4k optimised & trim only works in 4k requests + 4k aligned
402 		 */
403 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair CSSD-F*", "*" },
404 		/*quirks*/ADA_Q_4K
405 	},
406 	{
407 		/*
408 		 * Corsair Force 3 SSDs
409 		 * 4k optimised & trim only works in 4k requests + 4k aligned
410 		 */
411 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force 3*", "*" },
412 		/*quirks*/ADA_Q_4K
413 	},
414 	{
415 		/*
416 		 * Corsair Neutron GTX SSDs
417 		 * 4k optimised & trim only works in 4k requests + 4k aligned
418 		 */
419 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" },
420 		/*quirks*/ADA_Q_4K
421 	},
422 	{
423 		/*
424 		 * Corsair Force GT & GS SSDs
425 		 * 4k optimised & trim only works in 4k requests + 4k aligned
426 		 */
427 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force G*", "*" },
428 		/*quirks*/ADA_Q_4K
429 	},
430 	{
431 		/*
432 		 * Crucial M4 SSDs
433 		 * 4k optimised & trim only works in 4k requests + 4k aligned
434 		 */
435 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "M4-CT???M4SSD2*", "*" },
436 		/*quirks*/ADA_Q_4K
437 	},
438 	{
439 		/*
440 		 * Crucial M500 SSDs MU07 firmware
441 		 * NCQ Trim works
442 		 */
443 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Crucial CT*M500*", "MU07" },
444 		/*quirks*/0
445 	},
446 	{
447 		/*
448 		 * Crucial M500 SSDs all other firmware
449 		 * NCQ Trim doesn't work
450 		 */
451 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Crucial CT*M500*", "*" },
452 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
453 	},
454 	{
455 		/*
456 		 * Crucial M550 SSDs
457 		 * NCQ Trim doesn't work, but only on MU01 firmware
458 		 */
459 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Crucial CT*M550*", "MU01" },
460 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
461 	},
462 	{
463 		/*
464 		 * Crucial MX100 SSDs
465 		 * NCQ Trim doesn't work, but only on MU01 firmware
466 		 */
467 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Crucial CT*MX100*", "MU01" },
468 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
469 	},
470 	{
471 		/*
472 		 * Crucial RealSSD C300 SSDs
473 		 * 4k optimised
474 		 */
475 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "C300-CTFDDAC???MAG*",
476 		"*" }, /*quirks*/ADA_Q_4K
477 	},
478 	{
479 		/*
480 		 * FCCT M500 SSDs
481 		 * NCQ Trim doesn't work
482 		 */
483 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "FCCT*M500*", "*" },
484 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
485 	},
486 	{
487 		/*
488 		 * Intel 320 Series SSDs
489 		 * 4k optimised & trim only works in 4k requests + 4k aligned
490 		 */
491 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2CW*", "*" },
492 		/*quirks*/ADA_Q_4K
493 	},
494 	{
495 		/*
496 		 * Intel 330 Series SSDs
497 		 * 4k optimised & trim only works in 4k requests + 4k aligned
498 		 */
499 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2CT*", "*" },
500 		/*quirks*/ADA_Q_4K
501 	},
502 	{
503 		/*
504 		 * Intel 510 Series SSDs
505 		 * 4k optimised & trim only works in 4k requests + 4k aligned
506 		 */
507 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2MH*", "*" },
508 		/*quirks*/ADA_Q_4K
509 	},
510 	{
511 		/*
512 		 * Intel 520 Series SSDs
513 		 * 4k optimised & trim only works in 4k requests + 4k aligned
514 		 */
515 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2BW*", "*" },
516 		/*quirks*/ADA_Q_4K
517 	},
518 	{
519 		/*
520 		 * Intel S3610 Series SSDs
521 		 * 4k optimised & trim only works in 4k requests + 4k aligned
522 		 */
523 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2BX*", "*" },
524 		/*quirks*/ADA_Q_4K
525 	},
526 	{
527 		/*
528 		 * Intel X25-M Series SSDs
529 		 * 4k optimised & trim only works in 4k requests + 4k aligned
530 		 */
531 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2M*", "*" },
532 		/*quirks*/ADA_Q_4K
533 	},
534 	{
535 		/*
536 		 * Kingston E100 Series SSDs
537 		 * 4k optimised & trim only works in 4k requests + 4k aligned
538 		 */
539 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SE100S3*", "*" },
540 		/*quirks*/ADA_Q_4K
541 	},
542 	{
543 		/*
544 		 * Kingston HyperX 3k SSDs
545 		 * 4k optimised & trim only works in 4k requests + 4k aligned
546 		 */
547 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SH103S3*", "*" },
548 		/*quirks*/ADA_Q_4K
549 	},
550 	{
551 		/*
552 		 * Marvell SSDs (entry taken from OpenSolaris)
553 		 * 4k optimised & trim only works in 4k requests + 4k aligned
554 		 */
555 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "MARVELL SD88SA02*", "*" },
556 		/*quirks*/ADA_Q_4K
557 	},
558 	{
559 		/*
560 		 * Micron M500 SSDs firmware MU07
561 		 * NCQ Trim works?
562 		 */
563 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Micron M500*", "MU07" },
564 		/*quirks*/0
565 	},
566 	{
567 		/*
568 		 * Micron M500 SSDs all other firmware
569 		 * NCQ Trim doesn't work
570 		 */
571 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Micron M500*", "*" },
572 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
573 	},
574 	{
575 		/*
576 		 * Micron M5[15]0 SSDs
577 		 * NCQ Trim doesn't work, but only MU01 firmware
578 		 */
579 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Micron M5[15]0*", "MU01" },
580 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
581 	},
582 	{
583 		/*
584 		 * Micron 5100 SSDs
585 		 * 4k optimised & trim only works in 4k requests + 4k aligned
586 		 */
587 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Micron 5100 MTFDDAK*", "*" },
588 		/*quirks*/ADA_Q_4K
589 	},
590 	{
591 		/*
592 		 * OCZ Agility 2 SSDs
593 		 * 4k optimised & trim only works in 4k requests + 4k aligned
594 		 */
595 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" },
596 		/*quirks*/ADA_Q_4K
597 	},
598 	{
599 		/*
600 		 * OCZ Agility 3 SSDs
601 		 * 4k optimised & trim only works in 4k requests + 4k aligned
602 		 */
603 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY3*", "*" },
604 		/*quirks*/ADA_Q_4K
605 	},
606 	{
607 		/*
608 		 * OCZ Deneva R Series SSDs
609 		 * 4k optimised & trim only works in 4k requests + 4k aligned
610 		 */
611 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "DENRSTE251M45*", "*" },
612 		/*quirks*/ADA_Q_4K
613 	},
614 	{
615 		/*
616 		 * OCZ Vertex 2 SSDs (inc pro series)
617 		 * 4k optimised & trim only works in 4k requests + 4k aligned
618 		 */
619 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ?VERTEX2*", "*" },
620 		/*quirks*/ADA_Q_4K
621 	},
622 	{
623 		/*
624 		 * OCZ Vertex 3 SSDs
625 		 * 4k optimised & trim only works in 4k requests + 4k aligned
626 		 */
627 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX3*", "*" },
628 		/*quirks*/ADA_Q_4K
629 	},
630 	{
631 		/*
632 		 * OCZ Vertex 4 SSDs
633 		 * 4k optimised & trim only works in 4k requests + 4k aligned
634 		 */
635 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX4*", "*" },
636 		/*quirks*/ADA_Q_4K
637 	},
638 	{
639 		/*
640 		 * Samsung 750 SSDs
641 		 * 4k optimised, NCQ TRIM seems to work
642 		 */
643 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 750*", "*" },
644 		/*quirks*/ADA_Q_4K
645 	},
646 	{
647 		/*
648 		 * Samsung 830 Series SSDs
649 		 * 4k optimised, NCQ TRIM Broken (normal TRIM is fine)
650 		 */
651 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG SSD 830 Series*", "*" },
652 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
653 	},
654 	{
655 		/*
656 		 * Samsung 840 SSDs
657 		 * 4k optimised, NCQ TRIM Broken (normal TRIM is fine)
658 		 */
659 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 840*", "*" },
660 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
661 	},
662 	{
663 		/*
664 		 * Samsung 845 SSDs
665 		 * 4k optimised, NCQ TRIM Broken (normal TRIM is fine)
666 		 */
667 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 845*", "*" },
668 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
669 	},
670 	{
671 		/*
672 		 * Samsung 850 SSDs
673 		 * 4k optimised, NCQ TRIM broken (normal TRIM fine)
674 		 */
675 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 850*", "*" },
676 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
677 	},
678 	{
679 		/*
680 		 * Samsung SM863 Series SSDs (MZ7KM*)
681 		 * 4k optimised, NCQ believed to be working
682 		 */
683 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG MZ7KM*", "*" },
684 		/*quirks*/ADA_Q_4K
685 	},
686 	{
687 		/*
688 		 * Samsung 843T Series SSDs (MZ7WD*)
689 		 * Samsung PM851 Series SSDs (MZ7TE*)
690 		 * Samsung PM853T Series SSDs (MZ7GE*)
691 		 * 4k optimised, NCQ believed to be broken since these are
692 		 * appear to be built with the same controllers as the 840/850.
693 		 */
694 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG MZ7*", "*" },
695 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
696 	},
697 	{
698 		/*
699 		 * Same as for SAMSUNG MZ7* but enable the quirks for SSD
700 		 * starting with MZ7* too
701 		 */
702 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "MZ7*", "*" },
703 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
704 	},
705 	{
706 		/*
707 		 * Samsung PM851 Series SSDs Dell OEM
708 		 * device model          "SAMSUNG SSD PM851 mSATA 256GB"
709 		 * 4k optimised, NCQ broken
710 		 */
711 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG SSD PM851*", "*" },
712 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
713 	},
714 	{
715 		/*
716 		 * SuperTalent TeraDrive CT SSDs
717 		 * 4k optimised & trim only works in 4k requests + 4k aligned
718 		 */
719 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "FTM??CT25H*", "*" },
720 		/*quirks*/ADA_Q_4K
721 	},
722 	{
723 		/*
724 		 * XceedIOPS SATA SSDs
725 		 * 4k optimised
726 		 */
727 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SG9XCS2D*", "*" },
728 		/*quirks*/ADA_Q_4K
729 	},
730 	{
731 		/*
732 		 * Samsung drive that doesn't support READ LOG EXT or
733 		 * READ LOG DMA EXT, despite reporting that it does in
734 		 * ATA identify data:
735 		 * SAMSUNG HD200HJ KF100-06
736 		 */
737 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD200*", "*" },
738 		/*quirks*/ADA_Q_LOG_BROKEN
739 	},
740 	{
741 		/*
742 		 * Samsung drive that doesn't support READ LOG EXT or
743 		 * READ LOG DMA EXT, despite reporting that it does in
744 		 * ATA identify data:
745 		 * SAMSUNG HD501LJ CR100-10
746 		 */
747 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD501*", "*" },
748 		/*quirks*/ADA_Q_LOG_BROKEN
749 	},
750 	{
751 		/*
752 		 * Seagate Lamarr 8TB Shingled Magnetic Recording (SMR)
753 		 * Drive Managed SATA hard drive.  This drive doesn't report
754 		 * in firmware that it is a drive managed SMR drive.
755 		 */
756 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST8000AS000[23]*", "*" },
757 		/*quirks*/ADA_Q_SMR_DM
758 	},
759 	{
760 		/* Default */
761 		{
762 		  T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED,
763 		  /*vendor*/"*", /*product*/"*", /*revision*/"*"
764 		},
765 		/*quirks*/0
766 	},
767 };
768 
769 static	disk_strategy_t	adastrategy;
770 static	dumper_t	adadump;
771 static	periph_init_t	adainit;
772 static	void		adadiskgonecb(struct disk *dp);
773 static	periph_oninv_t	adaoninvalidate;
774 static	periph_dtor_t	adacleanup;
775 static	void		adaasync(void *callback_arg, u_int32_t code,
776 				struct cam_path *path, void *arg);
777 static	int		adazonemodesysctl(SYSCTL_HANDLER_ARGS);
778 static	int		adazonesupsysctl(SYSCTL_HANDLER_ARGS);
779 static	void		adasysctlinit(void *context, int pending);
780 static	int		adagetattr(struct bio *bp);
781 static	void		adasetflags(struct ada_softc *softc,
782 				    struct ccb_getdev *cgd);
783 static	periph_ctor_t	adaregister;
784 static	void		ada_dsmtrim(struct ada_softc *softc, struct bio *bp,
785 				    struct ccb_ataio *ataio);
786 static	void 		ada_cfaerase(struct ada_softc *softc, struct bio *bp,
787 				     struct ccb_ataio *ataio);
788 static	int		ada_zone_bio_to_ata(int disk_zone_cmd);
789 static	int		ada_zone_cmd(struct cam_periph *periph, union ccb *ccb,
790 				     struct bio *bp, int *queue_ccb);
791 static	periph_start_t	adastart;
792 static	void		adaprobedone(struct cam_periph *periph, union ccb *ccb);
793 static	void		adazonedone(struct cam_periph *periph, union ccb *ccb);
794 static	void		adadone(struct cam_periph *periph,
795 			       union ccb *done_ccb);
796 static  int		adaerror(union ccb *ccb, u_int32_t cam_flags,
797 				u_int32_t sense_flags);
798 static void		adagetparams(struct cam_periph *periph,
799 				struct ccb_getdev *cgd);
800 static timeout_t	adasendorderedtag;
801 static void		adashutdown(void *arg, int howto);
802 static void		adasuspend(void *arg);
803 static void		adaresume(void *arg);
804 
805 #ifndef ADA_DEFAULT_TIMEOUT
806 #define ADA_DEFAULT_TIMEOUT 30	/* Timeout in seconds */
807 #endif
808 
809 #ifndef	ADA_DEFAULT_RETRY
810 #define	ADA_DEFAULT_RETRY	4
811 #endif
812 
813 #ifndef	ADA_DEFAULT_SEND_ORDERED
814 #define	ADA_DEFAULT_SEND_ORDERED	1
815 #endif
816 
817 #ifndef	ADA_DEFAULT_SPINDOWN_SHUTDOWN
818 #define	ADA_DEFAULT_SPINDOWN_SHUTDOWN	1
819 #endif
820 
821 #ifndef	ADA_DEFAULT_SPINDOWN_SUSPEND
822 #define	ADA_DEFAULT_SPINDOWN_SUSPEND	1
823 #endif
824 
825 #ifndef	ADA_DEFAULT_READ_AHEAD
826 #define	ADA_DEFAULT_READ_AHEAD	1
827 #endif
828 
829 #ifndef	ADA_DEFAULT_WRITE_CACHE
830 #define	ADA_DEFAULT_WRITE_CACHE	1
831 #endif
832 
833 #define	ADA_RA	(softc->read_ahead >= 0 ? \
834 		 softc->read_ahead : ada_read_ahead)
835 #define	ADA_WC	(softc->write_cache >= 0 ? \
836 		 softc->write_cache : ada_write_cache)
837 
838 /*
839  * Most platforms map firmware geometry to actual, but some don't.  If
840  * not overridden, default to nothing.
841  */
842 #ifndef ata_disk_firmware_geom_adjust
843 #define	ata_disk_firmware_geom_adjust(disk)
844 #endif
845 
846 static int ada_retry_count = ADA_DEFAULT_RETRY;
847 static int ada_default_timeout = ADA_DEFAULT_TIMEOUT;
848 static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED;
849 static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN;
850 static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND;
851 static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD;
852 static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE;
853 
854 static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD, 0,
855             "CAM Direct Access Disk driver");
856 SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RWTUN,
857            &ada_retry_count, 0, "Normal I/O retry count");
858 SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RWTUN,
859            &ada_default_timeout, 0, "Normal I/O timeout (in seconds)");
860 SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RWTUN,
861            &ada_send_ordered, 0, "Send Ordered Tags");
862 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RWTUN,
863            &ada_spindown_shutdown, 0, "Spin down upon shutdown");
864 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RWTUN,
865            &ada_spindown_suspend, 0, "Spin down upon suspend");
866 SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RWTUN,
867            &ada_read_ahead, 0, "Enable disk read-ahead");
868 SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RWTUN,
869            &ada_write_cache, 0, "Enable disk write cache");
870 
871 /*
872  * ADA_ORDEREDTAG_INTERVAL determines how often, relative
873  * to the default timeout, we check to see whether an ordered
874  * tagged transaction is appropriate to prevent simple tag
875  * starvation.  Since we'd like to ensure that there is at least
876  * 1/2 of the timeout length left for a starved transaction to
877  * complete after we've sent an ordered tag, we must poll at least
878  * four times in every timeout period.  This takes care of the worst
879  * case where a starved transaction starts during an interval that
880  * meets the requirement "don't send an ordered tag" test so it takes
881  * us two intervals to determine that a tag must be sent.
882  */
883 #ifndef ADA_ORDEREDTAG_INTERVAL
884 #define ADA_ORDEREDTAG_INTERVAL 4
885 #endif
886 
887 static struct periph_driver adadriver =
888 {
889 	adainit, "ada",
890 	TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0
891 };
892 
893 static int adadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
894 
895 PERIPHDRIVER_DECLARE(ada, adadriver);
896 
897 static MALLOC_DEFINE(M_ATADA, "ata_da", "ata_da buffers");
898 
899 static int
900 adaopen(struct disk *dp)
901 {
902 	struct cam_periph *periph;
903 	struct ada_softc *softc;
904 	int error;
905 
906 	periph = (struct cam_periph *)dp->d_drv1;
907 	if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
908 		return(ENXIO);
909 	}
910 
911 	cam_periph_lock(periph);
912 	if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) {
913 		cam_periph_unlock(periph);
914 		cam_periph_release(periph);
915 		return (error);
916 	}
917 
918 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
919 	    ("adaopen\n"));
920 
921 	softc = (struct ada_softc *)periph->softc;
922 	softc->flags |= ADA_FLAG_OPEN;
923 
924 	cam_periph_unhold(periph);
925 	cam_periph_unlock(periph);
926 	return (0);
927 }
928 
929 static int
930 adaclose(struct disk *dp)
931 {
932 	struct	cam_periph *periph;
933 	struct	ada_softc *softc;
934 	union ccb *ccb;
935 	int error;
936 
937 	periph = (struct cam_periph *)dp->d_drv1;
938 	softc = (struct ada_softc *)periph->softc;
939 	cam_periph_lock(periph);
940 
941 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
942 	    ("adaclose\n"));
943 
944 	/* We only sync the cache if the drive is capable of it. */
945 	if ((softc->flags & ADA_FLAG_DIRTY) != 0 &&
946 	    (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 &&
947 	    (periph->flags & CAM_PERIPH_INVALID) == 0 &&
948 	    cam_periph_hold(periph, PRIBIO) == 0) {
949 
950 		ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
951 		cam_fill_ataio(&ccb->ataio,
952 				    1,
953 				    adadone,
954 				    CAM_DIR_NONE,
955 				    0,
956 				    NULL,
957 				    0,
958 				    ada_default_timeout*1000);
959 
960 		if (softc->flags & ADA_FLAG_CAN_48BIT)
961 			ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0);
962 		else
963 			ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0);
964 		error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0,
965 		    /*sense_flags*/0, softc->disk->d_devstat);
966 
967 		if (error != 0)
968 			xpt_print(periph->path, "Synchronize cache failed\n");
969 		softc->flags &= ~ADA_FLAG_DIRTY;
970 		xpt_release_ccb(ccb);
971 		cam_periph_unhold(periph);
972 	}
973 
974 	softc->flags &= ~ADA_FLAG_OPEN;
975 
976 	while (softc->refcount != 0)
977 		cam_periph_sleep(periph, &softc->refcount, PRIBIO, "adaclose", 1);
978 	cam_periph_unlock(periph);
979 	cam_periph_release(periph);
980 	return (0);
981 }
982 
983 static void
984 adaschedule(struct cam_periph *periph)
985 {
986 	struct ada_softc *softc = (struct ada_softc *)periph->softc;
987 
988 	if (softc->state != ADA_STATE_NORMAL)
989 		return;
990 
991 	cam_iosched_schedule(softc->cam_iosched, periph);
992 }
993 
994 /*
995  * Actually translate the requested transfer into one the physical driver
996  * can understand.  The transfer is described by a buf and will include
997  * only one physical transfer.
998  */
999 static void
1000 adastrategy(struct bio *bp)
1001 {
1002 	struct cam_periph *periph;
1003 	struct ada_softc *softc;
1004 
1005 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1006 	softc = (struct ada_softc *)periph->softc;
1007 
1008 	cam_periph_lock(periph);
1009 
1010 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp));
1011 
1012 	/*
1013 	 * If the device has been made invalid, error out
1014 	 */
1015 	if ((periph->flags & CAM_PERIPH_INVALID) != 0) {
1016 		cam_periph_unlock(periph);
1017 		biofinish(bp, NULL, ENXIO);
1018 		return;
1019 	}
1020 
1021 	/*
1022 	 * Zone commands must be ordered, because they can depend on the
1023 	 * effects of previously issued commands, and they may affect
1024 	 * commands after them.
1025 	 */
1026 	if (bp->bio_cmd == BIO_ZONE)
1027 		bp->bio_flags |= BIO_ORDERED;
1028 
1029 	/*
1030 	 * Place it in the queue of disk activities for this disk
1031 	 */
1032 	cam_iosched_queue_work(softc->cam_iosched, bp);
1033 
1034 	/*
1035 	 * Schedule ourselves for performing the work.
1036 	 */
1037 	adaschedule(periph);
1038 	cam_periph_unlock(periph);
1039 
1040 	return;
1041 }
1042 
1043 static int
1044 adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1045 {
1046 	struct	    cam_periph *periph;
1047 	struct	    ada_softc *softc;
1048 	u_int	    secsize;
1049 	union	    ccb ccb;
1050 	struct	    disk *dp;
1051 	uint64_t    lba;
1052 	uint16_t    count;
1053 	int	    error = 0;
1054 
1055 	dp = arg;
1056 	periph = dp->d_drv1;
1057 	softc = (struct ada_softc *)periph->softc;
1058 	cam_periph_lock(periph);
1059 	secsize = softc->params.secsize;
1060 	lba = offset / secsize;
1061 	count = length / secsize;
1062 
1063 	if ((periph->flags & CAM_PERIPH_INVALID) != 0) {
1064 		cam_periph_unlock(periph);
1065 		return (ENXIO);
1066 	}
1067 
1068 	memset(&ccb, 0, sizeof(ccb));
1069 	if (length > 0) {
1070 		xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1071 		ccb.ccb_h.ccb_state = ADA_CCB_DUMP;
1072 		cam_fill_ataio(&ccb.ataio,
1073 		    0,
1074 		    adadone,
1075 		    CAM_DIR_OUT,
1076 		    0,
1077 		    (u_int8_t *) virtual,
1078 		    length,
1079 		    ada_default_timeout*1000);
1080 		if ((softc->flags & ADA_FLAG_CAN_48BIT) &&
1081 		    (lba + count >= ATA_MAX_28BIT_LBA ||
1082 		    count >= 256)) {
1083 			ata_48bit_cmd(&ccb.ataio, ATA_WRITE_DMA48,
1084 			    0, lba, count);
1085 		} else {
1086 			ata_28bit_cmd(&ccb.ataio, ATA_WRITE_DMA,
1087 			    0, lba, count);
1088 		}
1089 		xpt_polled_action(&ccb);
1090 
1091 		error = adaerror(&ccb,
1092 		    0, SF_NO_RECOVERY | SF_NO_RETRY);
1093 		if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0)
1094 			cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0,
1095 			    /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1096 		if (error != 0)
1097 			printf("Aborting dump due to I/O error.\n");
1098 
1099 		cam_periph_unlock(periph);
1100 		return (error);
1101 	}
1102 
1103 	if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) {
1104 		xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1105 
1106 		/*
1107 		 * Tell the drive to flush its internal cache. if we
1108 		 * can't flush in 5s we have big problems. No need to
1109 		 * wait the default 60s to detect problems.
1110 		 */
1111 		ccb.ccb_h.ccb_state = ADA_CCB_DUMP;
1112 		cam_fill_ataio(&ccb.ataio,
1113 				    0,
1114 				    adadone,
1115 				    CAM_DIR_NONE,
1116 				    0,
1117 				    NULL,
1118 				    0,
1119 				    5*1000);
1120 
1121 		if (softc->flags & ADA_FLAG_CAN_48BIT)
1122 			ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0);
1123 		else
1124 			ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0);
1125 		xpt_polled_action(&ccb);
1126 
1127 		error = adaerror(&ccb,
1128 		    0, SF_NO_RECOVERY | SF_NO_RETRY);
1129 		if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0)
1130 			cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0,
1131 			    /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1132 		if (error != 0)
1133 			xpt_print(periph->path, "Synchronize cache failed\n");
1134 	}
1135 	cam_periph_unlock(periph);
1136 	return (error);
1137 }
1138 
1139 static void
1140 adainit(void)
1141 {
1142 	cam_status status;
1143 
1144 	/*
1145 	 * Install a global async callback.  This callback will
1146 	 * receive async callbacks like "new device found".
1147 	 */
1148 	status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL);
1149 
1150 	if (status != CAM_REQ_CMP) {
1151 		printf("ada: Failed to attach master async callback "
1152 		       "due to status 0x%x!\n", status);
1153 	} else if (ada_send_ordered) {
1154 
1155 		/* Register our event handlers */
1156 		if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend,
1157 					   NULL, EVENTHANDLER_PRI_LAST)) == NULL)
1158 		    printf("adainit: power event registration failed!\n");
1159 		if ((EVENTHANDLER_REGISTER(power_resume, adaresume,
1160 					   NULL, EVENTHANDLER_PRI_LAST)) == NULL)
1161 		    printf("adainit: power event registration failed!\n");
1162 		if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown,
1163 					   NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1164 		    printf("adainit: shutdown event registration failed!\n");
1165 	}
1166 }
1167 
1168 /*
1169  * Callback from GEOM, called when it has finished cleaning up its
1170  * resources.
1171  */
1172 static void
1173 adadiskgonecb(struct disk *dp)
1174 {
1175 	struct cam_periph *periph;
1176 
1177 	periph = (struct cam_periph *)dp->d_drv1;
1178 
1179 	cam_periph_release(periph);
1180 }
1181 
1182 static void
1183 adaoninvalidate(struct cam_periph *periph)
1184 {
1185 	struct ada_softc *softc;
1186 
1187 	softc = (struct ada_softc *)periph->softc;
1188 
1189 	/*
1190 	 * De-register any async callbacks.
1191 	 */
1192 	xpt_register_async(0, adaasync, periph, periph->path);
1193 #ifdef CAM_IO_STATS
1194 	softc->invalidations++;
1195 #endif
1196 
1197 	/*
1198 	 * Return all queued I/O with ENXIO.
1199 	 * XXX Handle any transactions queued to the card
1200 	 *     with XPT_ABORT_CCB.
1201 	 */
1202 	cam_iosched_flush(softc->cam_iosched, NULL, ENXIO);
1203 
1204 	disk_gone(softc->disk);
1205 }
1206 
1207 static void
1208 adacleanup(struct cam_periph *periph)
1209 {
1210 	struct ada_softc *softc;
1211 
1212 	softc = (struct ada_softc *)periph->softc;
1213 
1214 	cam_periph_unlock(periph);
1215 
1216 	cam_iosched_fini(softc->cam_iosched);
1217 
1218 	/*
1219 	 * If we can't free the sysctl tree, oh well...
1220 	 */
1221 	if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0) {
1222 #ifdef CAM_IO_STATS
1223 		if (sysctl_ctx_free(&softc->sysctl_stats_ctx) != 0)
1224 			xpt_print(periph->path,
1225 			    "can't remove sysctl stats context\n");
1226 #endif
1227 		if (sysctl_ctx_free(&softc->sysctl_ctx) != 0)
1228 			xpt_print(periph->path,
1229 			    "can't remove sysctl context\n");
1230 	}
1231 
1232 	disk_destroy(softc->disk);
1233 	callout_drain(&softc->sendordered_c);
1234 	free(softc, M_DEVBUF);
1235 	cam_periph_lock(periph);
1236 }
1237 
1238 static void
1239 adasetdeletemethod(struct ada_softc *softc)
1240 {
1241 
1242 	if (softc->flags & ADA_FLAG_CAN_NCQ_TRIM)
1243 		softc->delete_method = ADA_DELETE_NCQ_DSM_TRIM;
1244 	else if (softc->flags & ADA_FLAG_CAN_TRIM)
1245 		softc->delete_method = ADA_DELETE_DSM_TRIM;
1246 	else if ((softc->flags & ADA_FLAG_CAN_CFA) && !(softc->flags & ADA_FLAG_CAN_48BIT))
1247 		softc->delete_method = ADA_DELETE_CFA_ERASE;
1248 	else
1249 		softc->delete_method = ADA_DELETE_NONE;
1250 }
1251 
1252 static void
1253 adaasync(void *callback_arg, u_int32_t code,
1254 	struct cam_path *path, void *arg)
1255 {
1256 	struct ccb_getdev cgd;
1257 	struct cam_periph *periph;
1258 	struct ada_softc *softc;
1259 
1260 	periph = (struct cam_periph *)callback_arg;
1261 	switch (code) {
1262 	case AC_FOUND_DEVICE:
1263 	{
1264 		struct ccb_getdev *cgd;
1265 		cam_status status;
1266 
1267 		cgd = (struct ccb_getdev *)arg;
1268 		if (cgd == NULL)
1269 			break;
1270 
1271 		if (cgd->protocol != PROTO_ATA)
1272 			break;
1273 
1274 		/*
1275 		 * Allocate a peripheral instance for
1276 		 * this device and start the probe
1277 		 * process.
1278 		 */
1279 		status = cam_periph_alloc(adaregister, adaoninvalidate,
1280 					  adacleanup, adastart,
1281 					  "ada", CAM_PERIPH_BIO,
1282 					  path, adaasync,
1283 					  AC_FOUND_DEVICE, cgd);
1284 
1285 		if (status != CAM_REQ_CMP
1286 		 && status != CAM_REQ_INPROG)
1287 			printf("adaasync: Unable to attach to new device "
1288 				"due to status 0x%x\n", status);
1289 		break;
1290 	}
1291 	case AC_GETDEV_CHANGED:
1292 	{
1293 		softc = (struct ada_softc *)periph->softc;
1294 		xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1295 		cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1296 		xpt_action((union ccb *)&cgd);
1297 
1298 		/*
1299 		 * Set/clear support flags based on the new Identify data.
1300 		 */
1301 		adasetflags(softc, &cgd);
1302 
1303 		cam_periph_async(periph, code, path, arg);
1304 		break;
1305 	}
1306 	case AC_ADVINFO_CHANGED:
1307 	{
1308 		uintptr_t buftype;
1309 
1310 		buftype = (uintptr_t)arg;
1311 		if (buftype == CDAI_TYPE_PHYS_PATH) {
1312 			struct ada_softc *softc;
1313 
1314 			softc = periph->softc;
1315 			disk_attr_changed(softc->disk, "GEOM::physpath",
1316 					  M_NOWAIT);
1317 		}
1318 		break;
1319 	}
1320 	case AC_SENT_BDR:
1321 	case AC_BUS_RESET:
1322 	{
1323 		softc = (struct ada_softc *)periph->softc;
1324 		cam_periph_async(periph, code, path, arg);
1325 		if (softc->state != ADA_STATE_NORMAL)
1326 			break;
1327 		xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1328 		cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1329 		xpt_action((union ccb *)&cgd);
1330 		if (ADA_RA >= 0 && softc->flags & ADA_FLAG_CAN_RAHEAD)
1331 			softc->state = ADA_STATE_RAHEAD;
1332 		else if (ADA_WC >= 0 && softc->flags & ADA_FLAG_CAN_WCACHE)
1333 			softc->state = ADA_STATE_WCACHE;
1334 		else if ((softc->flags & ADA_FLAG_CAN_LOG)
1335 		      && (softc->zone_mode != ADA_ZONE_NONE))
1336 			softc->state = ADA_STATE_LOGDIR;
1337 		else
1338 		    break;
1339 		if (cam_periph_acquire(periph) != CAM_REQ_CMP)
1340 			softc->state = ADA_STATE_NORMAL;
1341 		else
1342 			xpt_schedule(periph, CAM_PRIORITY_DEV);
1343 	}
1344 	default:
1345 		cam_periph_async(periph, code, path, arg);
1346 		break;
1347 	}
1348 }
1349 
1350 static int
1351 adazonemodesysctl(SYSCTL_HANDLER_ARGS)
1352 {
1353 	char tmpbuf[40];
1354 	struct ada_softc *softc;
1355 	int error;
1356 
1357 	softc = (struct ada_softc *)arg1;
1358 
1359 	switch (softc->zone_mode) {
1360 	case ADA_ZONE_DRIVE_MANAGED:
1361 		snprintf(tmpbuf, sizeof(tmpbuf), "Drive Managed");
1362 		break;
1363 	case ADA_ZONE_HOST_AWARE:
1364 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Aware");
1365 		break;
1366 	case ADA_ZONE_HOST_MANAGED:
1367 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Managed");
1368 		break;
1369 	case ADA_ZONE_NONE:
1370 	default:
1371 		snprintf(tmpbuf, sizeof(tmpbuf), "Not Zoned");
1372 		break;
1373 	}
1374 
1375 	error = sysctl_handle_string(oidp, tmpbuf, sizeof(tmpbuf), req);
1376 
1377 	return (error);
1378 }
1379 
1380 static int
1381 adazonesupsysctl(SYSCTL_HANDLER_ARGS)
1382 {
1383 	char tmpbuf[180];
1384 	struct ada_softc *softc;
1385 	struct sbuf sb;
1386 	int error, first;
1387 	unsigned int i;
1388 
1389 	softc = (struct ada_softc *)arg1;
1390 
1391 	error = 0;
1392 	first = 1;
1393 	sbuf_new(&sb, tmpbuf, sizeof(tmpbuf), 0);
1394 
1395 	for (i = 0; i < sizeof(ada_zone_desc_table) /
1396 	     sizeof(ada_zone_desc_table[0]); i++) {
1397 		if (softc->zone_flags & ada_zone_desc_table[i].value) {
1398 			if (first == 0)
1399 				sbuf_printf(&sb, ", ");
1400 			else
1401 				first = 0;
1402 			sbuf_cat(&sb, ada_zone_desc_table[i].desc);
1403 		}
1404 	}
1405 
1406 	if (first == 1)
1407 		sbuf_printf(&sb, "None");
1408 
1409 	sbuf_finish(&sb);
1410 
1411 	error = sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
1412 
1413 	return (error);
1414 }
1415 
1416 
1417 static void
1418 adasysctlinit(void *context, int pending)
1419 {
1420 	struct cam_periph *periph;
1421 	struct ada_softc *softc;
1422 	char tmpstr[80], tmpstr2[80];
1423 
1424 	periph = (struct cam_periph *)context;
1425 
1426 	/* periph was held for us when this task was enqueued */
1427 	if ((periph->flags & CAM_PERIPH_INVALID) != 0) {
1428 		cam_periph_release(periph);
1429 		return;
1430 	}
1431 
1432 	softc = (struct ada_softc *)periph->softc;
1433 	snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d",periph->unit_number);
1434 	snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1435 
1436 	sysctl_ctx_init(&softc->sysctl_ctx);
1437 	softc->flags |= ADA_FLAG_SCTX_INIT;
1438 	softc->sysctl_tree = SYSCTL_ADD_NODE_WITH_LABEL(&softc->sysctl_ctx,
1439 		SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2,
1440 		CTLFLAG_RD, 0, tmpstr, "device_index");
1441 	if (softc->sysctl_tree == NULL) {
1442 		printf("adasysctlinit: unable to allocate sysctl tree\n");
1443 		cam_periph_release(periph);
1444 		return;
1445 	}
1446 
1447 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1448 		OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RW,
1449 		softc, 0, adadeletemethodsysctl, "A",
1450 		"BIO_DELETE execution method");
1451 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1452 		OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE,
1453 		&softc->read_ahead, 0, "Enable disk read ahead.");
1454 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1455 		OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE,
1456 		&softc->write_cache, 0, "Enable disk write cache.");
1457 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1458 		OID_AUTO, "unmapped_io", CTLFLAG_RD | CTLFLAG_MPSAFE,
1459 		&softc->unmappedio, 0, "Unmapped I/O leaf");
1460 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1461 		OID_AUTO, "rotating", CTLFLAG_RD | CTLFLAG_MPSAFE,
1462 		&softc->rotating, 0, "Rotating media");
1463 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1464 		OID_AUTO, "zone_mode", CTLTYPE_STRING | CTLFLAG_RD,
1465 		softc, 0, adazonemodesysctl, "A",
1466 		"Zone Mode");
1467 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1468 		OID_AUTO, "zone_support", CTLTYPE_STRING | CTLFLAG_RD,
1469 		softc, 0, adazonesupsysctl, "A",
1470 		"Zone Support");
1471 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1472 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1473 		"optimal_seq_zones", CTLFLAG_RD, &softc->optimal_seq_zones,
1474 		"Optimal Number of Open Sequential Write Preferred Zones");
1475 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1476 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1477 		"optimal_nonseq_zones", CTLFLAG_RD,
1478 		&softc->optimal_nonseq_zones,
1479 		"Optimal Number of Non-Sequentially Written Sequential Write "
1480 		"Preferred Zones");
1481 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1482 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1483 		"max_seq_zones", CTLFLAG_RD, &softc->max_seq_zones,
1484 		"Maximum Number of Open Sequential Write Required Zones");
1485 
1486 #ifdef ADA_TEST_FAILURE
1487 	/*
1488 	 * Add a 'door bell' sysctl which allows one to set it from userland
1489 	 * and cause something bad to happen.  For the moment, we only allow
1490 	 * whacking the next read or write.
1491 	 */
1492 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1493 		OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE,
1494 		&softc->force_read_error, 0,
1495 		"Force a read error for the next N reads.");
1496 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1497 		OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE,
1498 		&softc->force_write_error, 0,
1499 		"Force a write error for the next N writes.");
1500 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1501 		OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE,
1502 		&softc->periodic_read_error, 0,
1503 		"Force a read error every N reads (don't set too low).");
1504 #endif
1505 
1506 #ifdef CAM_IO_STATS
1507 	softc->sysctl_stats_tree = SYSCTL_ADD_NODE(&softc->sysctl_stats_ctx,
1508 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "stats",
1509 		CTLFLAG_RD, 0, "Statistics");
1510 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
1511 		SYSCTL_CHILDREN(softc->sysctl_stats_tree),
1512 		OID_AUTO, "timeouts", CTLFLAG_RD | CTLFLAG_MPSAFE,
1513 		&softc->timeouts, 0,
1514 		"Device timeouts reported by the SIM");
1515 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
1516 		SYSCTL_CHILDREN(softc->sysctl_stats_tree),
1517 		OID_AUTO, "errors", CTLFLAG_RD | CTLFLAG_MPSAFE,
1518 		&softc->errors, 0,
1519 		"Transport errors reported by the SIM.");
1520 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
1521 		SYSCTL_CHILDREN(softc->sysctl_stats_tree),
1522 		OID_AUTO, "pack_invalidations", CTLFLAG_RD | CTLFLAG_MPSAFE,
1523 		&softc->invalidations, 0,
1524 		"Device pack invalidations.");
1525 #endif
1526 
1527 	cam_iosched_sysctl_init(softc->cam_iosched, &softc->sysctl_ctx,
1528 	    softc->sysctl_tree);
1529 
1530 	cam_periph_release(periph);
1531 }
1532 
1533 static int
1534 adagetattr(struct bio *bp)
1535 {
1536 	int ret;
1537 	struct cam_periph *periph;
1538 
1539 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1540 	cam_periph_lock(periph);
1541 	ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1542 	    periph->path);
1543 	cam_periph_unlock(periph);
1544 	if (ret == 0)
1545 		bp->bio_completed = bp->bio_length;
1546 	return ret;
1547 }
1548 
1549 static int
1550 adadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
1551 {
1552 	char buf[16];
1553 	const char *p;
1554 	struct ada_softc *softc;
1555 	int i, error, value, methods;
1556 
1557 	softc = (struct ada_softc *)arg1;
1558 
1559 	value = softc->delete_method;
1560 	if (value < 0 || value > ADA_DELETE_MAX)
1561 		p = "UNKNOWN";
1562 	else
1563 		p = ada_delete_method_names[value];
1564 	strncpy(buf, p, sizeof(buf));
1565 	error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
1566 	if (error != 0 || req->newptr == NULL)
1567 		return (error);
1568 	methods = 1 << ADA_DELETE_DISABLE;
1569 	if ((softc->flags & ADA_FLAG_CAN_CFA) &&
1570 	    !(softc->flags & ADA_FLAG_CAN_48BIT))
1571 		methods |= 1 << ADA_DELETE_CFA_ERASE;
1572 	if (softc->flags & ADA_FLAG_CAN_TRIM)
1573 		methods |= 1 << ADA_DELETE_DSM_TRIM;
1574 	if (softc->flags & ADA_FLAG_CAN_NCQ_TRIM)
1575 		methods |= 1 << ADA_DELETE_NCQ_DSM_TRIM;
1576 	for (i = 0; i <= ADA_DELETE_MAX; i++) {
1577 		if (!(methods & (1 << i)) ||
1578 		    strcmp(buf, ada_delete_method_names[i]) != 0)
1579 			continue;
1580 		softc->delete_method = i;
1581 		return (0);
1582 	}
1583 	return (EINVAL);
1584 }
1585 
1586 static void
1587 adasetflags(struct ada_softc *softc, struct ccb_getdev *cgd)
1588 {
1589 	if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) &&
1590 	    (cgd->inq_flags & SID_DMA))
1591 		softc->flags |= ADA_FLAG_CAN_DMA;
1592 	else
1593 		softc->flags &= ~ADA_FLAG_CAN_DMA;
1594 
1595 	if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) {
1596 		softc->flags |= ADA_FLAG_CAN_48BIT;
1597 		if (cgd->inq_flags & SID_DMA48)
1598 			softc->flags |= ADA_FLAG_CAN_DMA48;
1599 		else
1600 			softc->flags &= ~ADA_FLAG_CAN_DMA48;
1601 	} else
1602 		softc->flags &= ~(ADA_FLAG_CAN_48BIT | ADA_FLAG_CAN_DMA48);
1603 
1604 	if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE)
1605 		softc->flags |= ADA_FLAG_CAN_FLUSHCACHE;
1606 	else
1607 		softc->flags &= ~ADA_FLAG_CAN_FLUSHCACHE;
1608 
1609 	if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT)
1610 		softc->flags |= ADA_FLAG_CAN_POWERMGT;
1611 	else
1612 		softc->flags &= ~ADA_FLAG_CAN_POWERMGT;
1613 
1614 	if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) &&
1615 	    (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue))
1616 		softc->flags |= ADA_FLAG_CAN_NCQ;
1617 	else
1618 		softc->flags &= ~ADA_FLAG_CAN_NCQ;
1619 
1620 	if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) &&
1621 	    (cgd->inq_flags & SID_DMA)) {
1622 		softc->flags |= ADA_FLAG_CAN_TRIM;
1623 		softc->trim_max_ranges = TRIM_MAX_RANGES;
1624 		if (cgd->ident_data.max_dsm_blocks != 0) {
1625 			softc->trim_max_ranges =
1626 			    min(cgd->ident_data.max_dsm_blocks *
1627 				ATA_DSM_BLK_RANGES, softc->trim_max_ranges);
1628 		}
1629 		/*
1630 		 * If we can do RCVSND_FPDMA_QUEUED commands, we may be able
1631 		 * to do NCQ trims, if we support trims at all. We also need
1632 		 * support from the SIM to do things properly. Perhaps we
1633 		 * should look at log 13 dword 0 bit 0 and dword 1 bit 0 are
1634 		 * set too...
1635 		 */
1636 		if ((softc->quirks & ADA_Q_NCQ_TRIM_BROKEN) == 0 &&
1637 		    (softc->flags & ADA_FLAG_PIM_ATA_EXT) != 0 &&
1638 		    (cgd->ident_data.satacapabilities2 &
1639 		     ATA_SUPPORT_RCVSND_FPDMA_QUEUED) != 0 &&
1640 		    (softc->flags & ADA_FLAG_CAN_TRIM) != 0)
1641 			softc->flags |= ADA_FLAG_CAN_NCQ_TRIM;
1642 		else
1643 			softc->flags &= ~ADA_FLAG_CAN_NCQ_TRIM;
1644 	} else
1645 		softc->flags &= ~(ADA_FLAG_CAN_TRIM | ADA_FLAG_CAN_NCQ_TRIM);
1646 
1647 	if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA)
1648 		softc->flags |= ADA_FLAG_CAN_CFA;
1649 	else
1650 		softc->flags &= ~ADA_FLAG_CAN_CFA;
1651 
1652 	/*
1653 	 * Now that we've set the appropriate flags, setup the delete
1654 	 * method.
1655 	 */
1656 	adasetdeletemethod(softc);
1657 
1658 	if ((cgd->ident_data.support.extension & ATA_SUPPORT_GENLOG)
1659 	 && ((softc->quirks & ADA_Q_LOG_BROKEN) == 0))
1660 		softc->flags |= ADA_FLAG_CAN_LOG;
1661 	else
1662 		softc->flags &= ~ADA_FLAG_CAN_LOG;
1663 
1664 	if ((cgd->ident_data.support3 & ATA_SUPPORT_ZONE_MASK) ==
1665 	     ATA_SUPPORT_ZONE_HOST_AWARE)
1666 		softc->zone_mode = ADA_ZONE_HOST_AWARE;
1667 	else if (((cgd->ident_data.support3 & ATA_SUPPORT_ZONE_MASK) ==
1668 		   ATA_SUPPORT_ZONE_DEV_MANAGED)
1669 	      || (softc->quirks & ADA_Q_SMR_DM))
1670 		softc->zone_mode = ADA_ZONE_DRIVE_MANAGED;
1671 	else
1672 		softc->zone_mode = ADA_ZONE_NONE;
1673 
1674 	if (cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD)
1675 		softc->flags |= ADA_FLAG_CAN_RAHEAD;
1676 	else
1677 		softc->flags &= ~ADA_FLAG_CAN_RAHEAD;
1678 
1679 	if (cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE)
1680 		softc->flags |= ADA_FLAG_CAN_WCACHE;
1681 	else
1682 		softc->flags &= ~ADA_FLAG_CAN_WCACHE;
1683 }
1684 
1685 static cam_status
1686 adaregister(struct cam_periph *periph, void *arg)
1687 {
1688 	struct ada_softc *softc;
1689 	struct ccb_pathinq cpi;
1690 	struct ccb_getdev *cgd;
1691 	struct disk_params *dp;
1692 	struct sbuf sb;
1693 	char   *announce_buf;
1694 	caddr_t match;
1695 	u_int maxio;
1696 	int quirks;
1697 
1698 	cgd = (struct ccb_getdev *)arg;
1699 	if (cgd == NULL) {
1700 		printf("adaregister: no getdev CCB, can't register device\n");
1701 		return(CAM_REQ_CMP_ERR);
1702 	}
1703 
1704 	softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF,
1705 	    M_NOWAIT|M_ZERO);
1706 
1707 	if (softc == NULL) {
1708 		printf("adaregister: Unable to probe new device. "
1709 		    "Unable to allocate softc\n");
1710 		return(CAM_REQ_CMP_ERR);
1711 	}
1712 
1713 	announce_buf = softc->announce_temp;
1714 	bzero(announce_buf, ADA_ANNOUNCETMP_SZ);
1715 
1716 	if (cam_iosched_init(&softc->cam_iosched, periph) != 0) {
1717 		printf("adaregister: Unable to probe new device. "
1718 		       "Unable to allocate iosched memory\n");
1719 		free(softc, M_DEVBUF);
1720 		return(CAM_REQ_CMP_ERR);
1721 	}
1722 
1723 	periph->softc = softc;
1724 
1725 	/*
1726 	 * See if this device has any quirks.
1727 	 */
1728 	match = cam_quirkmatch((caddr_t)&cgd->ident_data,
1729 			       (caddr_t)ada_quirk_table,
1730 			       nitems(ada_quirk_table),
1731 			       sizeof(*ada_quirk_table), ata_identify_match);
1732 	if (match != NULL)
1733 		softc->quirks = ((struct ada_quirk_entry *)match)->quirks;
1734 	else
1735 		softc->quirks = ADA_Q_NONE;
1736 
1737 	bzero(&cpi, sizeof(cpi));
1738 	xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE);
1739 	cpi.ccb_h.func_code = XPT_PATH_INQ;
1740 	xpt_action((union ccb *)&cpi);
1741 
1742 	TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph);
1743 
1744 	/*
1745 	 * Register this media as a disk
1746 	 */
1747 	(void)cam_periph_hold(periph, PRIBIO);
1748 	cam_periph_unlock(periph);
1749 	snprintf(announce_buf, ADA_ANNOUNCETMP_SZ,
1750 	    "kern.cam.ada.%d.quirks", periph->unit_number);
1751 	quirks = softc->quirks;
1752 	TUNABLE_INT_FETCH(announce_buf, &quirks);
1753 	softc->quirks = quirks;
1754 	softc->read_ahead = -1;
1755 	snprintf(announce_buf, ADA_ANNOUNCETMP_SZ,
1756 	    "kern.cam.ada.%d.read_ahead", periph->unit_number);
1757 	TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead);
1758 	softc->write_cache = -1;
1759 	snprintf(announce_buf, ADA_ANNOUNCETMP_SZ,
1760 	    "kern.cam.ada.%d.write_cache", periph->unit_number);
1761 	TUNABLE_INT_FETCH(announce_buf, &softc->write_cache);
1762 
1763 	/*
1764 	 * Set support flags based on the Identify data and quirks.
1765 	 */
1766 	adasetflags(softc, cgd);
1767 
1768 	/* Disable queue sorting for non-rotational media by default. */
1769 	if (cgd->ident_data.media_rotation_rate == ATA_RATE_NON_ROTATING) {
1770 		softc->rotating = 0;
1771 	} else {
1772 		softc->rotating = 1;
1773 	}
1774 	cam_iosched_set_sort_queue(softc->cam_iosched,  softc->rotating ? -1 : 0);
1775 	adagetparams(periph, cgd);
1776 	softc->disk = disk_alloc();
1777 	softc->disk->d_rotation_rate = cgd->ident_data.media_rotation_rate;
1778 	softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
1779 			  periph->unit_number, softc->params.secsize,
1780 			  DEVSTAT_ALL_SUPPORTED,
1781 			  DEVSTAT_TYPE_DIRECT |
1782 			  XPORT_DEVSTAT_TYPE(cpi.transport),
1783 			  DEVSTAT_PRIORITY_DISK);
1784 	softc->disk->d_open = adaopen;
1785 	softc->disk->d_close = adaclose;
1786 	softc->disk->d_strategy = adastrategy;
1787 	softc->disk->d_getattr = adagetattr;
1788 	softc->disk->d_dump = adadump;
1789 	softc->disk->d_gone = adadiskgonecb;
1790 	softc->disk->d_name = "ada";
1791 	softc->disk->d_drv1 = periph;
1792 	maxio = cpi.maxio;		/* Honor max I/O size of SIM */
1793 	if (maxio == 0)
1794 		maxio = DFLTPHYS;	/* traditional default */
1795 	else if (maxio > MAXPHYS)
1796 		maxio = MAXPHYS;	/* for safety */
1797 	if (softc->flags & ADA_FLAG_CAN_48BIT)
1798 		maxio = min(maxio, 65536 * softc->params.secsize);
1799 	else					/* 28bit ATA command limit */
1800 		maxio = min(maxio, 256 * softc->params.secsize);
1801 	softc->disk->d_maxsize = maxio;
1802 	softc->disk->d_unit = periph->unit_number;
1803 	softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION | DISKFLAG_CANZONE;
1804 	if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE)
1805 		softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
1806 	if (softc->flags & ADA_FLAG_CAN_TRIM) {
1807 		softc->disk->d_flags |= DISKFLAG_CANDELETE;
1808 		softc->disk->d_delmaxsize = softc->params.secsize *
1809 					    ATA_DSM_RANGE_MAX *
1810 					    softc->trim_max_ranges;
1811 	} else if ((softc->flags & ADA_FLAG_CAN_CFA) &&
1812 	    !(softc->flags & ADA_FLAG_CAN_48BIT)) {
1813 		softc->disk->d_flags |= DISKFLAG_CANDELETE;
1814 		softc->disk->d_delmaxsize = 256 * softc->params.secsize;
1815 	} else
1816 		softc->disk->d_delmaxsize = maxio;
1817 	if ((cpi.hba_misc & PIM_UNMAPPED) != 0) {
1818 		softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
1819 		softc->unmappedio = 1;
1820 	}
1821 	if (cpi.hba_misc & PIM_ATA_EXT)
1822 		softc->flags |= ADA_FLAG_PIM_ATA_EXT;
1823 	strlcpy(softc->disk->d_descr, cgd->ident_data.model,
1824 	    MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model)));
1825 	strlcpy(softc->disk->d_ident, cgd->ident_data.serial,
1826 	    MIN(sizeof(softc->disk->d_ident), sizeof(cgd->ident_data.serial)));
1827 	softc->disk->d_hba_vendor = cpi.hba_vendor;
1828 	softc->disk->d_hba_device = cpi.hba_device;
1829 	softc->disk->d_hba_subvendor = cpi.hba_subvendor;
1830 	softc->disk->d_hba_subdevice = cpi.hba_subdevice;
1831 
1832 	softc->disk->d_sectorsize = softc->params.secsize;
1833 	softc->disk->d_mediasize = (off_t)softc->params.sectors *
1834 	    softc->params.secsize;
1835 	if (ata_physical_sector_size(&cgd->ident_data) !=
1836 	    softc->params.secsize) {
1837 		softc->disk->d_stripesize =
1838 		    ata_physical_sector_size(&cgd->ident_data);
1839 		softc->disk->d_stripeoffset = (softc->disk->d_stripesize -
1840 		    ata_logical_sector_offset(&cgd->ident_data)) %
1841 		    softc->disk->d_stripesize;
1842 	} else if (softc->quirks & ADA_Q_4K) {
1843 		softc->disk->d_stripesize = 4096;
1844 		softc->disk->d_stripeoffset = 0;
1845 	}
1846 	softc->disk->d_fwsectors = softc->params.secs_per_track;
1847 	softc->disk->d_fwheads = softc->params.heads;
1848 	ata_disk_firmware_geom_adjust(softc->disk);
1849 
1850 	/*
1851 	 * Acquire a reference to the periph before we register with GEOM.
1852 	 * We'll release this reference once GEOM calls us back (via
1853 	 * adadiskgonecb()) telling us that our provider has been freed.
1854 	 */
1855 	if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
1856 		xpt_print(periph->path, "%s: lost periph during "
1857 			  "registration!\n", __func__);
1858 		cam_periph_lock(periph);
1859 		return (CAM_REQ_CMP_ERR);
1860 	}
1861 	disk_create(softc->disk, DISK_VERSION);
1862 	cam_periph_lock(periph);
1863 
1864 	dp = &softc->params;
1865 	snprintf(announce_buf, ADA_ANNOUNCETMP_SZ,
1866 	    "%juMB (%ju %u byte sectors)",
1867 	    ((uintmax_t)dp->secsize * dp->sectors) / (1024 * 1024),
1868 	    (uintmax_t)dp->sectors, dp->secsize);
1869 
1870 	sbuf_new(&sb, softc->announce_buffer, ADA_ANNOUNCE_SZ, SBUF_FIXEDLEN);
1871 	xpt_announce_periph_sbuf(periph, &sb, announce_buf);
1872 	xpt_announce_quirks_sbuf(periph, &sb, softc->quirks, ADA_Q_BIT_STRING);
1873 	sbuf_finish(&sb);
1874 	sbuf_putbuf(&sb);
1875 
1876 	/*
1877 	 * Create our sysctl variables, now that we know
1878 	 * we have successfully attached.
1879 	 */
1880 	if (cam_periph_acquire(periph) == CAM_REQ_CMP)
1881 		taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task);
1882 
1883 	/*
1884 	 * Add async callbacks for bus reset and
1885 	 * bus device reset calls.  I don't bother
1886 	 * checking if this fails as, in most cases,
1887 	 * the system will function just fine without
1888 	 * them and the only alternative would be to
1889 	 * not attach the device on failure.
1890 	 */
1891 	xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
1892 	    AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED,
1893 	    adaasync, periph, periph->path);
1894 
1895 	/*
1896 	 * Schedule a periodic event to occasionally send an
1897 	 * ordered tag to a device.
1898 	 */
1899 	callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
1900 	callout_reset(&softc->sendordered_c,
1901 	    (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL,
1902 	    adasendorderedtag, softc);
1903 
1904 	if (ADA_RA >= 0 && softc->flags & ADA_FLAG_CAN_RAHEAD) {
1905 		softc->state = ADA_STATE_RAHEAD;
1906 	} else if (ADA_WC >= 0 && softc->flags & ADA_FLAG_CAN_WCACHE) {
1907 		softc->state = ADA_STATE_WCACHE;
1908 	} else if ((softc->flags & ADA_FLAG_CAN_LOG)
1909 		&& (softc->zone_mode != ADA_ZONE_NONE)) {
1910 		softc->state = ADA_STATE_LOGDIR;
1911 	} else {
1912 		/*
1913 		 * Nothing to probe, so we can just transition to the
1914 		 * normal state.
1915 		 */
1916 		adaprobedone(periph, NULL);
1917 		return(CAM_REQ_CMP);
1918 	}
1919 
1920 	xpt_schedule(periph, CAM_PRIORITY_DEV);
1921 
1922 	return(CAM_REQ_CMP);
1923 }
1924 
1925 static int
1926 ada_dsmtrim_req_create(struct ada_softc *softc, struct bio *bp, struct trim_request *req)
1927 {
1928 	uint64_t lastlba = (uint64_t)-1;
1929 	int c, lastcount = 0, off, ranges = 0;
1930 
1931 	bzero(req, sizeof(*req));
1932 	TAILQ_INIT(&req->bps);
1933 	do {
1934 		uint64_t lba = bp->bio_pblkno;
1935 		int count = bp->bio_bcount / softc->params.secsize;
1936 
1937 		/* Try to extend the previous range. */
1938 		if (lba == lastlba) {
1939 			c = min(count, ATA_DSM_RANGE_MAX - lastcount);
1940 			lastcount += c;
1941 			off = (ranges - 1) * ATA_DSM_RANGE_SIZE;
1942 			req->data[off + 6] = lastcount & 0xff;
1943 			req->data[off + 7] =
1944 				(lastcount >> 8) & 0xff;
1945 			count -= c;
1946 			lba += c;
1947 		}
1948 
1949 		while (count > 0) {
1950 			c = min(count, ATA_DSM_RANGE_MAX);
1951 			off = ranges * ATA_DSM_RANGE_SIZE;
1952 			req->data[off + 0] = lba & 0xff;
1953 			req->data[off + 1] = (lba >> 8) & 0xff;
1954 			req->data[off + 2] = (lba >> 16) & 0xff;
1955 			req->data[off + 3] = (lba >> 24) & 0xff;
1956 			req->data[off + 4] = (lba >> 32) & 0xff;
1957 			req->data[off + 5] = (lba >> 40) & 0xff;
1958 			req->data[off + 6] = c & 0xff;
1959 			req->data[off + 7] = (c >> 8) & 0xff;
1960 			lba += c;
1961 			count -= c;
1962 			lastcount = c;
1963 			ranges++;
1964 			/*
1965 			 * Its the caller's responsibility to ensure the
1966 			 * request will fit so we don't need to check for
1967 			 * overrun here
1968 			 */
1969 		}
1970 		lastlba = lba;
1971 		TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue);
1972 
1973 		bp = cam_iosched_next_trim(softc->cam_iosched);
1974 		if (bp == NULL)
1975 			break;
1976 		if (bp->bio_bcount / softc->params.secsize >
1977 		    (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) {
1978 			cam_iosched_put_back_trim(softc->cam_iosched, bp);
1979 			break;
1980 		}
1981 	} while (1);
1982 
1983 	return (ranges);
1984 }
1985 
1986 static void
1987 ada_dsmtrim(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio)
1988 {
1989 	struct trim_request *req = &softc->trim_req;
1990 	int ranges;
1991 
1992 	ranges = ada_dsmtrim_req_create(softc, bp, req);
1993 	cam_fill_ataio(ataio,
1994 	    ada_retry_count,
1995 	    adadone,
1996 	    CAM_DIR_OUT,
1997 	    0,
1998 	    req->data,
1999 	    howmany(ranges, ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE,
2000 	    ada_default_timeout * 1000);
2001 	ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT,
2002 	    ATA_DSM_TRIM, 0, howmany(ranges, ATA_DSM_BLK_RANGES));
2003 }
2004 
2005 static void
2006 ada_ncq_dsmtrim(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio)
2007 {
2008 	struct trim_request *req = &softc->trim_req;
2009 	int ranges;
2010 
2011 	ranges = ada_dsmtrim_req_create(softc, bp, req);
2012 	cam_fill_ataio(ataio,
2013 	    ada_retry_count,
2014 	    adadone,
2015 	    CAM_DIR_OUT,
2016 	    0,
2017 	    req->data,
2018 	    howmany(ranges, ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE,
2019 	    ada_default_timeout * 1000);
2020 	ata_ncq_cmd(ataio,
2021 	    ATA_SEND_FPDMA_QUEUED,
2022 	    0,
2023 	    howmany(ranges, ATA_DSM_BLK_RANGES));
2024 	ataio->cmd.sector_count_exp = ATA_SFPDMA_DSM;
2025 	ataio->ata_flags |= ATA_FLAG_AUX;
2026 	ataio->aux = 1;
2027 }
2028 
2029 static void
2030 ada_cfaerase(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio)
2031 {
2032 	struct trim_request *req = &softc->trim_req;
2033 	uint64_t lba = bp->bio_pblkno;
2034 	uint16_t count = bp->bio_bcount / softc->params.secsize;
2035 
2036 	bzero(req, sizeof(*req));
2037 	TAILQ_INIT(&req->bps);
2038 	TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue);
2039 
2040 	cam_fill_ataio(ataio,
2041 	    ada_retry_count,
2042 	    adadone,
2043 	    CAM_DIR_NONE,
2044 	    0,
2045 	    NULL,
2046 	    0,
2047 	    ada_default_timeout*1000);
2048 
2049 	if (count >= 256)
2050 		count = 0;
2051 	ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count);
2052 }
2053 
2054 static int
2055 ada_zone_bio_to_ata(int disk_zone_cmd)
2056 {
2057 	switch (disk_zone_cmd) {
2058 	case DISK_ZONE_OPEN:
2059 		return ATA_ZM_OPEN_ZONE;
2060 	case DISK_ZONE_CLOSE:
2061 		return ATA_ZM_CLOSE_ZONE;
2062 	case DISK_ZONE_FINISH:
2063 		return ATA_ZM_FINISH_ZONE;
2064 	case DISK_ZONE_RWP:
2065 		return ATA_ZM_RWP;
2066 	}
2067 
2068 	return -1;
2069 }
2070 
2071 static int
2072 ada_zone_cmd(struct cam_periph *periph, union ccb *ccb, struct bio *bp,
2073 	     int *queue_ccb)
2074 {
2075 	struct ada_softc *softc;
2076 	int error;
2077 
2078 	error = 0;
2079 
2080 	if (bp->bio_cmd != BIO_ZONE) {
2081 		error = EINVAL;
2082 		goto bailout;
2083 	}
2084 
2085 	softc = periph->softc;
2086 
2087 	switch (bp->bio_zone.zone_cmd) {
2088 	case DISK_ZONE_OPEN:
2089 	case DISK_ZONE_CLOSE:
2090 	case DISK_ZONE_FINISH:
2091 	case DISK_ZONE_RWP: {
2092 		int zone_flags;
2093 		int zone_sa;
2094 		uint64_t lba;
2095 
2096 		zone_sa = ada_zone_bio_to_ata(bp->bio_zone.zone_cmd);
2097 		if (zone_sa == -1) {
2098 			xpt_print(periph->path, "Cannot translate zone "
2099 			    "cmd %#x to ATA\n", bp->bio_zone.zone_cmd);
2100 			error = EINVAL;
2101 			goto bailout;
2102 		}
2103 
2104 		zone_flags = 0;
2105 		lba = bp->bio_zone.zone_params.rwp.id;
2106 
2107 		if (bp->bio_zone.zone_params.rwp.flags &
2108 		    DISK_ZONE_RWP_FLAG_ALL)
2109 			zone_flags |= ZBC_OUT_ALL;
2110 
2111 		ata_zac_mgmt_out(&ccb->ataio,
2112 				 /*retries*/ ada_retry_count,
2113 				 /*cbfcnp*/ adadone,
2114 				 /*use_ncq*/ (softc->flags &
2115 					      ADA_FLAG_PIM_ATA_EXT) ? 1 : 0,
2116 				 /*zm_action*/ zone_sa,
2117 				 /*zone_id*/ lba,
2118 				 /*zone_flags*/ zone_flags,
2119 				 /*sector_count*/ 0,
2120 				 /*data_ptr*/ NULL,
2121 				 /*dxfer_len*/ 0,
2122 				 /*timeout*/ ada_default_timeout * 1000);
2123 		*queue_ccb = 1;
2124 
2125 		break;
2126 	}
2127 	case DISK_ZONE_REPORT_ZONES: {
2128 		uint8_t *rz_ptr;
2129 		uint32_t num_entries, alloc_size;
2130 		struct disk_zone_report *rep;
2131 
2132 		rep = &bp->bio_zone.zone_params.report;
2133 
2134 		num_entries = rep->entries_allocated;
2135 		if (num_entries == 0) {
2136 			xpt_print(periph->path, "No entries allocated for "
2137 			    "Report Zones request\n");
2138 			error = EINVAL;
2139 			goto bailout;
2140 		}
2141 		alloc_size = sizeof(struct scsi_report_zones_hdr) +
2142 		    (sizeof(struct scsi_report_zones_desc) * num_entries);
2143 		alloc_size = min(alloc_size, softc->disk->d_maxsize);
2144 		rz_ptr = malloc(alloc_size, M_ATADA, M_NOWAIT | M_ZERO);
2145 		if (rz_ptr == NULL) {
2146 			xpt_print(periph->path, "Unable to allocate memory "
2147 			   "for Report Zones request\n");
2148 			error = ENOMEM;
2149 			goto bailout;
2150 		}
2151 
2152 		ata_zac_mgmt_in(&ccb->ataio,
2153 				/*retries*/ ada_retry_count,
2154 				/*cbcfnp*/ adadone,
2155 				/*use_ncq*/ (softc->flags &
2156 					     ADA_FLAG_PIM_ATA_EXT) ? 1 : 0,
2157 				/*zm_action*/ ATA_ZM_REPORT_ZONES,
2158 				/*zone_id*/ rep->starting_id,
2159 				/*zone_flags*/ rep->rep_options,
2160 				/*data_ptr*/ rz_ptr,
2161 				/*dxfer_len*/ alloc_size,
2162 				/*timeout*/ ada_default_timeout * 1000);
2163 
2164 		/*
2165 		 * For BIO_ZONE, this isn't normally needed.  However, it
2166 		 * is used by devstat_end_transaction_bio() to determine
2167 		 * how much data was transferred.
2168 		 */
2169 		/*
2170 		 * XXX KDM we have a problem.  But I'm not sure how to fix
2171 		 * it.  devstat uses bio_bcount - bio_resid to calculate
2172 		 * the amount of data transferred.   The GEOM disk code
2173 		 * uses bio_length - bio_resid to calculate the amount of
2174 		 * data in bio_completed.  We have different structure
2175 		 * sizes above and below the ada(4) driver.  So, if we
2176 		 * use the sizes above, the amount transferred won't be
2177 		 * quite accurate for devstat.  If we use different sizes
2178 		 * for bio_bcount and bio_length (above and below
2179 		 * respectively), then the residual needs to match one or
2180 		 * the other.  Everything is calculated after the bio
2181 		 * leaves the driver, so changing the values around isn't
2182 		 * really an option.  For now, just set the count to the
2183 		 * passed in length.  This means that the calculations
2184 		 * above (e.g. bio_completed) will be correct, but the
2185 		 * amount of data reported to devstat will be slightly
2186 		 * under or overstated.
2187 		 */
2188 		bp->bio_bcount = bp->bio_length;
2189 
2190 		*queue_ccb = 1;
2191 
2192 		break;
2193 	}
2194 	case DISK_ZONE_GET_PARAMS: {
2195 		struct disk_zone_disk_params *params;
2196 
2197 		params = &bp->bio_zone.zone_params.disk_params;
2198 		bzero(params, sizeof(*params));
2199 
2200 		switch (softc->zone_mode) {
2201 		case ADA_ZONE_DRIVE_MANAGED:
2202 			params->zone_mode = DISK_ZONE_MODE_DRIVE_MANAGED;
2203 			break;
2204 		case ADA_ZONE_HOST_AWARE:
2205 			params->zone_mode = DISK_ZONE_MODE_HOST_AWARE;
2206 			break;
2207 		case ADA_ZONE_HOST_MANAGED:
2208 			params->zone_mode = DISK_ZONE_MODE_HOST_MANAGED;
2209 			break;
2210 		default:
2211 		case ADA_ZONE_NONE:
2212 			params->zone_mode = DISK_ZONE_MODE_NONE;
2213 			break;
2214 		}
2215 
2216 		if (softc->zone_flags & ADA_ZONE_FLAG_URSWRZ)
2217 			params->flags |= DISK_ZONE_DISK_URSWRZ;
2218 
2219 		if (softc->zone_flags & ADA_ZONE_FLAG_OPT_SEQ_SET) {
2220 			params->optimal_seq_zones = softc->optimal_seq_zones;
2221 			params->flags |= DISK_ZONE_OPT_SEQ_SET;
2222 		}
2223 
2224 		if (softc->zone_flags & ADA_ZONE_FLAG_OPT_NONSEQ_SET) {
2225 			params->optimal_nonseq_zones =
2226 			    softc->optimal_nonseq_zones;
2227 			params->flags |= DISK_ZONE_OPT_NONSEQ_SET;
2228 		}
2229 
2230 		if (softc->zone_flags & ADA_ZONE_FLAG_MAX_SEQ_SET) {
2231 			params->max_seq_zones = softc->max_seq_zones;
2232 			params->flags |= DISK_ZONE_MAX_SEQ_SET;
2233 		}
2234 		if (softc->zone_flags & ADA_ZONE_FLAG_RZ_SUP)
2235 			params->flags |= DISK_ZONE_RZ_SUP;
2236 
2237 		if (softc->zone_flags & ADA_ZONE_FLAG_OPEN_SUP)
2238 			params->flags |= DISK_ZONE_OPEN_SUP;
2239 
2240 		if (softc->zone_flags & ADA_ZONE_FLAG_CLOSE_SUP)
2241 			params->flags |= DISK_ZONE_CLOSE_SUP;
2242 
2243 		if (softc->zone_flags & ADA_ZONE_FLAG_FINISH_SUP)
2244 			params->flags |= DISK_ZONE_FINISH_SUP;
2245 
2246 		if (softc->zone_flags & ADA_ZONE_FLAG_RWP_SUP)
2247 			params->flags |= DISK_ZONE_RWP_SUP;
2248 		break;
2249 	}
2250 	default:
2251 		break;
2252 	}
2253 bailout:
2254 	return (error);
2255 }
2256 
2257 static void
2258 adastart(struct cam_periph *periph, union ccb *start_ccb)
2259 {
2260 	struct ada_softc *softc = (struct ada_softc *)periph->softc;
2261 	struct ccb_ataio *ataio = &start_ccb->ataio;
2262 
2263 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n"));
2264 
2265 	switch (softc->state) {
2266 	case ADA_STATE_NORMAL:
2267 	{
2268 		struct bio *bp;
2269 		u_int8_t tag_code;
2270 
2271 		bp = cam_iosched_next_bio(softc->cam_iosched);
2272 		if (bp == NULL) {
2273 			xpt_release_ccb(start_ccb);
2274 			break;
2275 		}
2276 
2277 		if ((bp->bio_flags & BIO_ORDERED) != 0 ||
2278 		    (bp->bio_cmd != BIO_DELETE && (softc->flags & ADA_FLAG_NEED_OTAG) != 0)) {
2279 			softc->flags &= ~ADA_FLAG_NEED_OTAG;
2280 			softc->flags |= ADA_FLAG_WAS_OTAG;
2281 			tag_code = 0;
2282 		} else {
2283 			tag_code = 1;
2284 		}
2285 		switch (bp->bio_cmd) {
2286 		case BIO_WRITE:
2287 		case BIO_READ:
2288 		{
2289 			uint64_t lba = bp->bio_pblkno;
2290 			uint16_t count = bp->bio_bcount / softc->params.secsize;
2291 			void *data_ptr;
2292 			int rw_op;
2293 
2294 			if (bp->bio_cmd == BIO_WRITE) {
2295 				softc->flags |= ADA_FLAG_DIRTY;
2296 				rw_op = CAM_DIR_OUT;
2297 			} else {
2298 				rw_op = CAM_DIR_IN;
2299 			}
2300 
2301 			data_ptr = bp->bio_data;
2302 			if ((bp->bio_flags & (BIO_UNMAPPED|BIO_VLIST)) != 0) {
2303 				rw_op |= CAM_DATA_BIO;
2304 				data_ptr = bp;
2305 			}
2306 
2307 #ifdef ADA_TEST_FAILURE
2308 			int fail = 0;
2309 
2310 			/*
2311 			 * Support the failure ioctls.  If the command is a
2312 			 * read, and there are pending forced read errors, or
2313 			 * if a write and pending write errors, then fail this
2314 			 * operation with EIO.  This is useful for testing
2315 			 * purposes.  Also, support having every Nth read fail.
2316 			 *
2317 			 * This is a rather blunt tool.
2318 			 */
2319 			if (bp->bio_cmd == BIO_READ) {
2320 				if (softc->force_read_error) {
2321 					softc->force_read_error--;
2322 					fail = 1;
2323 				}
2324 				if (softc->periodic_read_error > 0) {
2325 					if (++softc->periodic_read_count >=
2326 					    softc->periodic_read_error) {
2327 						softc->periodic_read_count = 0;
2328 						fail = 1;
2329 					}
2330 				}
2331 			} else {
2332 				if (softc->force_write_error) {
2333 					softc->force_write_error--;
2334 					fail = 1;
2335 				}
2336 			}
2337 			if (fail) {
2338 				biofinish(bp, NULL, EIO);
2339 				xpt_release_ccb(start_ccb);
2340 				adaschedule(periph);
2341 				return;
2342 			}
2343 #endif
2344 			KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 ||
2345 			    round_page(bp->bio_bcount + bp->bio_ma_offset) /
2346 			    PAGE_SIZE == bp->bio_ma_n,
2347 			    ("Short bio %p", bp));
2348 			cam_fill_ataio(ataio,
2349 			    ada_retry_count,
2350 			    adadone,
2351 			    rw_op,
2352 			    0,
2353 			    data_ptr,
2354 			    bp->bio_bcount,
2355 			    ada_default_timeout*1000);
2356 
2357 			if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) {
2358 				if (bp->bio_cmd == BIO_READ) {
2359 					ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED,
2360 					    lba, count);
2361 				} else {
2362 					ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED,
2363 					    lba, count);
2364 				}
2365 			} else if ((softc->flags & ADA_FLAG_CAN_48BIT) &&
2366 			    (lba + count >= ATA_MAX_28BIT_LBA ||
2367 			    count > 256)) {
2368 				if (softc->flags & ADA_FLAG_CAN_DMA48) {
2369 					if (bp->bio_cmd == BIO_READ) {
2370 						ata_48bit_cmd(ataio, ATA_READ_DMA48,
2371 						    0, lba, count);
2372 					} else {
2373 						ata_48bit_cmd(ataio, ATA_WRITE_DMA48,
2374 						    0, lba, count);
2375 					}
2376 				} else {
2377 					if (bp->bio_cmd == BIO_READ) {
2378 						ata_48bit_cmd(ataio, ATA_READ_MUL48,
2379 						    0, lba, count);
2380 					} else {
2381 						ata_48bit_cmd(ataio, ATA_WRITE_MUL48,
2382 						    0, lba, count);
2383 					}
2384 				}
2385 			} else {
2386 				if (count == 256)
2387 					count = 0;
2388 				if (softc->flags & ADA_FLAG_CAN_DMA) {
2389 					if (bp->bio_cmd == BIO_READ) {
2390 						ata_28bit_cmd(ataio, ATA_READ_DMA,
2391 						    0, lba, count);
2392 					} else {
2393 						ata_28bit_cmd(ataio, ATA_WRITE_DMA,
2394 						    0, lba, count);
2395 					}
2396 				} else {
2397 					if (bp->bio_cmd == BIO_READ) {
2398 						ata_28bit_cmd(ataio, ATA_READ_MUL,
2399 						    0, lba, count);
2400 					} else {
2401 						ata_28bit_cmd(ataio, ATA_WRITE_MUL,
2402 						    0, lba, count);
2403 					}
2404 				}
2405 			}
2406 			break;
2407 		}
2408 		case BIO_DELETE:
2409 			switch (softc->delete_method) {
2410 			case ADA_DELETE_NCQ_DSM_TRIM:
2411 				ada_ncq_dsmtrim(softc, bp, ataio);
2412 				break;
2413 			case ADA_DELETE_DSM_TRIM:
2414 				ada_dsmtrim(softc, bp, ataio);
2415 				break;
2416 			case ADA_DELETE_CFA_ERASE:
2417 				ada_cfaerase(softc, bp, ataio);
2418 				break;
2419 			default:
2420 				biofinish(bp, NULL, EOPNOTSUPP);
2421 				xpt_release_ccb(start_ccb);
2422 				adaschedule(periph);
2423 				return;
2424 			}
2425 			start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM;
2426 			start_ccb->ccb_h.flags |= CAM_UNLOCKED;
2427 			cam_iosched_submit_trim(softc->cam_iosched);
2428 			goto out;
2429 		case BIO_FLUSH:
2430 			cam_fill_ataio(ataio,
2431 			    1,
2432 			    adadone,
2433 			    CAM_DIR_NONE,
2434 			    0,
2435 			    NULL,
2436 			    0,
2437 			    ada_default_timeout*1000);
2438 
2439 			if (softc->flags & ADA_FLAG_CAN_48BIT)
2440 				ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0);
2441 			else
2442 				ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0);
2443 			break;
2444 		case BIO_ZONE: {
2445 			int error, queue_ccb;
2446 
2447 			queue_ccb = 0;
2448 
2449 			error = ada_zone_cmd(periph, start_ccb, bp, &queue_ccb);
2450 			if ((error != 0)
2451 			 || (queue_ccb == 0)) {
2452 				biofinish(bp, NULL, error);
2453 				xpt_release_ccb(start_ccb);
2454 				return;
2455 			}
2456 			break;
2457 		}
2458 		}
2459 		start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO;
2460 		start_ccb->ccb_h.flags |= CAM_UNLOCKED;
2461 out:
2462 		start_ccb->ccb_h.ccb_bp = bp;
2463 		softc->outstanding_cmds++;
2464 		softc->refcount++;
2465 		cam_periph_unlock(periph);
2466 		xpt_action(start_ccb);
2467 		cam_periph_lock(periph);
2468 		softc->refcount--;
2469 
2470 		/* May have more work to do, so ensure we stay scheduled */
2471 		adaschedule(periph);
2472 		break;
2473 	}
2474 	case ADA_STATE_RAHEAD:
2475 	case ADA_STATE_WCACHE:
2476 	{
2477 		cam_fill_ataio(ataio,
2478 		    1,
2479 		    adadone,
2480 		    CAM_DIR_NONE,
2481 		    0,
2482 		    NULL,
2483 		    0,
2484 		    ada_default_timeout*1000);
2485 
2486 		if (softc->state == ADA_STATE_RAHEAD) {
2487 			ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ?
2488 			    ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0);
2489 			start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD;
2490 		} else {
2491 			ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ?
2492 			    ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0);
2493 			start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE;
2494 		}
2495 		start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE;
2496 		xpt_action(start_ccb);
2497 		break;
2498 	}
2499 	case ADA_STATE_LOGDIR:
2500 	{
2501 		struct ata_gp_log_dir *log_dir;
2502 
2503 		if ((softc->flags & ADA_FLAG_CAN_LOG) == 0) {
2504 			adaprobedone(periph, start_ccb);
2505 			break;
2506 		}
2507 
2508 		log_dir = malloc(sizeof(*log_dir), M_ATADA, M_NOWAIT|M_ZERO);
2509 		if (log_dir == NULL) {
2510 			xpt_print(periph->path, "Couldn't malloc log_dir "
2511 			    "data\n");
2512 			softc->state = ADA_STATE_NORMAL;
2513 			xpt_release_ccb(start_ccb);
2514 			break;
2515 		}
2516 
2517 
2518 		ata_read_log(ataio,
2519 		    /*retries*/1,
2520 		    /*cbfcnp*/adadone,
2521 		    /*log_address*/ ATA_LOG_DIRECTORY,
2522 		    /*page_number*/ 0,
2523 		    /*block_count*/ 1,
2524 		    /*protocol*/ softc->flags & ADA_FLAG_CAN_DMA ?
2525 				 CAM_ATAIO_DMA : 0,
2526 		    /*data_ptr*/ (uint8_t *)log_dir,
2527 		    /*dxfer_len*/sizeof(*log_dir),
2528 		    /*timeout*/ada_default_timeout*1000);
2529 
2530 		start_ccb->ccb_h.ccb_state = ADA_CCB_LOGDIR;
2531 		xpt_action(start_ccb);
2532 		break;
2533 	}
2534 	case ADA_STATE_IDDIR:
2535 	{
2536 		struct ata_identify_log_pages *id_dir;
2537 
2538 		id_dir = malloc(sizeof(*id_dir), M_ATADA, M_NOWAIT | M_ZERO);
2539 		if (id_dir == NULL) {
2540 			xpt_print(periph->path, "Couldn't malloc id_dir "
2541 			    "data\n");
2542 			adaprobedone(periph, start_ccb);
2543 			break;
2544 		}
2545 
2546 		ata_read_log(ataio,
2547 		    /*retries*/1,
2548 		    /*cbfcnp*/adadone,
2549 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
2550 		    /*page_number*/ ATA_IDL_PAGE_LIST,
2551 		    /*block_count*/ 1,
2552 		    /*protocol*/ softc->flags & ADA_FLAG_CAN_DMA ?
2553 				 CAM_ATAIO_DMA : 0,
2554 		    /*data_ptr*/ (uint8_t *)id_dir,
2555 		    /*dxfer_len*/ sizeof(*id_dir),
2556 		    /*timeout*/ada_default_timeout*1000);
2557 
2558 		start_ccb->ccb_h.ccb_state = ADA_CCB_IDDIR;
2559 		xpt_action(start_ccb);
2560 		break;
2561 	}
2562 	case ADA_STATE_SUP_CAP:
2563 	{
2564 		struct ata_identify_log_sup_cap *sup_cap;
2565 
2566 		sup_cap = malloc(sizeof(*sup_cap), M_ATADA, M_NOWAIT|M_ZERO);
2567 		if (sup_cap == NULL) {
2568 			xpt_print(periph->path, "Couldn't malloc sup_cap "
2569 			    "data\n");
2570 			adaprobedone(periph, start_ccb);
2571 			break;
2572 		}
2573 
2574 		ata_read_log(ataio,
2575 		    /*retries*/1,
2576 		    /*cbfcnp*/adadone,
2577 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
2578 		    /*page_number*/ ATA_IDL_SUP_CAP,
2579 		    /*block_count*/ 1,
2580 		    /*protocol*/ softc->flags & ADA_FLAG_CAN_DMA ?
2581 				 CAM_ATAIO_DMA : 0,
2582 		    /*data_ptr*/ (uint8_t *)sup_cap,
2583 		    /*dxfer_len*/ sizeof(*sup_cap),
2584 		    /*timeout*/ada_default_timeout*1000);
2585 
2586 		start_ccb->ccb_h.ccb_state = ADA_CCB_SUP_CAP;
2587 		xpt_action(start_ccb);
2588 		break;
2589 	}
2590 	case ADA_STATE_ZONE:
2591 	{
2592 		struct ata_zoned_info_log *ata_zone;
2593 
2594 		ata_zone = malloc(sizeof(*ata_zone), M_ATADA, M_NOWAIT|M_ZERO);
2595 		if (ata_zone == NULL) {
2596 			xpt_print(periph->path, "Couldn't malloc ata_zone "
2597 			    "data\n");
2598 			adaprobedone(periph, start_ccb);
2599 			break;
2600 		}
2601 
2602 		ata_read_log(ataio,
2603 		    /*retries*/1,
2604 		    /*cbfcnp*/adadone,
2605 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
2606 		    /*page_number*/ ATA_IDL_ZDI,
2607 		    /*block_count*/ 1,
2608 		    /*protocol*/ softc->flags & ADA_FLAG_CAN_DMA ?
2609 				 CAM_ATAIO_DMA : 0,
2610 		    /*data_ptr*/ (uint8_t *)ata_zone,
2611 		    /*dxfer_len*/ sizeof(*ata_zone),
2612 		    /*timeout*/ada_default_timeout*1000);
2613 
2614 		start_ccb->ccb_h.ccb_state = ADA_CCB_ZONE;
2615 		xpt_action(start_ccb);
2616 		break;
2617 	}
2618 	}
2619 }
2620 
2621 static void
2622 adaprobedone(struct cam_periph *periph, union ccb *ccb)
2623 {
2624 	struct ada_softc *softc;
2625 
2626 	softc = (struct ada_softc *)periph->softc;
2627 
2628 	if (ccb != NULL)
2629 		xpt_release_ccb(ccb);
2630 
2631 	softc->state = ADA_STATE_NORMAL;
2632 	softc->flags |= ADA_FLAG_PROBED;
2633 	adaschedule(periph);
2634 	if ((softc->flags & ADA_FLAG_ANNOUNCED) == 0) {
2635 		softc->flags |= ADA_FLAG_ANNOUNCED;
2636 		cam_periph_unhold(periph);
2637 	} else {
2638 		cam_periph_release_locked(periph);
2639 	}
2640 }
2641 
2642 static void
2643 adazonedone(struct cam_periph *periph, union ccb *ccb)
2644 {
2645 	struct ada_softc *softc;
2646 	struct bio *bp;
2647 
2648 	softc = periph->softc;
2649 	bp = (struct bio *)ccb->ccb_h.ccb_bp;
2650 
2651 	switch (bp->bio_zone.zone_cmd) {
2652 	case DISK_ZONE_OPEN:
2653 	case DISK_ZONE_CLOSE:
2654 	case DISK_ZONE_FINISH:
2655 	case DISK_ZONE_RWP:
2656 		break;
2657 	case DISK_ZONE_REPORT_ZONES: {
2658 		uint32_t avail_len;
2659 		struct disk_zone_report *rep;
2660 		struct scsi_report_zones_hdr *hdr;
2661 		struct scsi_report_zones_desc *desc;
2662 		struct disk_zone_rep_entry *entry;
2663 		uint32_t num_alloced, hdr_len, num_avail;
2664 		uint32_t num_to_fill, i;
2665 
2666 		rep = &bp->bio_zone.zone_params.report;
2667 		avail_len = ccb->ataio.dxfer_len - ccb->ataio.resid;
2668 		/*
2669 		 * Note that bio_resid isn't normally used for zone
2670 		 * commands, but it is used by devstat_end_transaction_bio()
2671 		 * to determine how much data was transferred.  Because
2672 		 * the size of the SCSI/ATA data structures is different
2673 		 * than the size of the BIO interface structures, the
2674 		 * amount of data actually transferred from the drive will
2675 		 * be different than the amount of data transferred to
2676 		 * the user.
2677 		 */
2678 		num_alloced = rep->entries_allocated;
2679 		hdr = (struct scsi_report_zones_hdr *)ccb->ataio.data_ptr;
2680 		if (avail_len < sizeof(*hdr)) {
2681 			/*
2682 			 * Is there a better error than EIO here?  We asked
2683 			 * for at least the header, and we got less than
2684 			 * that.
2685 			 */
2686 			bp->bio_error = EIO;
2687 			bp->bio_flags |= BIO_ERROR;
2688 			bp->bio_resid = bp->bio_bcount;
2689 			break;
2690 		}
2691 
2692 		hdr_len = le32dec(hdr->length);
2693 		if (hdr_len > 0)
2694 			rep->entries_available = hdr_len / sizeof(*desc);
2695 		else
2696 			rep->entries_available = 0;
2697 		/*
2698 		 * NOTE: using the same values for the BIO version of the
2699 		 * same field as the SCSI/ATA values.  This means we could
2700 		 * get some additional values that aren't defined in bio.h
2701 		 * if more values of the same field are defined later.
2702 		 */
2703 		rep->header.same = hdr->byte4 & SRZ_SAME_MASK;
2704 		rep->header.maximum_lba = le64dec(hdr->maximum_lba);
2705 		/*
2706 		 * If the drive reports no entries that match the query,
2707 		 * we're done.
2708 		 */
2709 		if (hdr_len == 0) {
2710 			rep->entries_filled = 0;
2711 			bp->bio_resid = bp->bio_bcount;
2712 			break;
2713 		}
2714 
2715 		num_avail = min((avail_len - sizeof(*hdr)) / sizeof(*desc),
2716 				hdr_len / sizeof(*desc));
2717 		/*
2718 		 * If the drive didn't return any data, then we're done.
2719 		 */
2720 		if (num_avail == 0) {
2721 			rep->entries_filled = 0;
2722 			bp->bio_resid = bp->bio_bcount;
2723 			break;
2724 		}
2725 
2726 		num_to_fill = min(num_avail, rep->entries_allocated);
2727 		/*
2728 		 * If the user didn't allocate any entries for us to fill,
2729 		 * we're done.
2730 		 */
2731 		if (num_to_fill == 0) {
2732 			rep->entries_filled = 0;
2733 			bp->bio_resid = bp->bio_bcount;
2734 			break;
2735 		}
2736 
2737 		for (i = 0, desc = &hdr->desc_list[0], entry=&rep->entries[0];
2738 		     i < num_to_fill; i++, desc++, entry++) {
2739 			/*
2740 			 * NOTE: we're mapping the values here directly
2741 			 * from the SCSI/ATA bit definitions to the bio.h
2742 			 * definitions.  There is also a warning in
2743 			 * disk_zone.h, but the impact is that if
2744 			 * additional values are added in the SCSI/ATA
2745 			 * specs these will be visible to consumers of
2746 			 * this interface.
2747 			 */
2748 			entry->zone_type = desc->zone_type & SRZ_TYPE_MASK;
2749 			entry->zone_condition =
2750 			    (desc->zone_flags & SRZ_ZONE_COND_MASK) >>
2751 			    SRZ_ZONE_COND_SHIFT;
2752 			entry->zone_flags |= desc->zone_flags &
2753 			    (SRZ_ZONE_NON_SEQ|SRZ_ZONE_RESET);
2754 			entry->zone_length = le64dec(desc->zone_length);
2755 			entry->zone_start_lba = le64dec(desc->zone_start_lba);
2756 			entry->write_pointer_lba =
2757 			    le64dec(desc->write_pointer_lba);
2758 		}
2759 		rep->entries_filled = num_to_fill;
2760 		/*
2761 		 * Note that this residual is accurate from the user's
2762 		 * standpoint, but the amount transferred isn't accurate
2763 		 * from the standpoint of what actually came back from the
2764 		 * drive.
2765 		 */
2766 		bp->bio_resid = bp->bio_bcount - (num_to_fill * sizeof(*entry));
2767 		break;
2768 	}
2769 	case DISK_ZONE_GET_PARAMS:
2770 	default:
2771 		/*
2772 		 * In theory we should not get a GET_PARAMS bio, since it
2773 		 * should be handled without queueing the command to the
2774 		 * drive.
2775 		 */
2776 		panic("%s: Invalid zone command %d", __func__,
2777 		    bp->bio_zone.zone_cmd);
2778 		break;
2779 	}
2780 
2781 	if (bp->bio_zone.zone_cmd == DISK_ZONE_REPORT_ZONES)
2782 		free(ccb->ataio.data_ptr, M_ATADA);
2783 }
2784 
2785 
2786 static void
2787 adadone(struct cam_periph *periph, union ccb *done_ccb)
2788 {
2789 	struct ada_softc *softc;
2790 	struct ccb_ataio *ataio;
2791 	struct cam_path *path;
2792 	uint32_t priority;
2793 	int state;
2794 
2795 	softc = (struct ada_softc *)periph->softc;
2796 	ataio = &done_ccb->ataio;
2797 	path = done_ccb->ccb_h.path;
2798 	priority = done_ccb->ccb_h.pinfo.priority;
2799 
2800 	CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n"));
2801 
2802 	state = ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK;
2803 	switch (state) {
2804 	case ADA_CCB_BUFFER_IO:
2805 	case ADA_CCB_TRIM:
2806 	{
2807 		struct bio *bp;
2808 		int error;
2809 
2810 		cam_periph_lock(periph);
2811 		bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2812 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2813 			error = adaerror(done_ccb, 0, 0);
2814 			if (error == ERESTART) {
2815 				/* A retry was scheduled, so just return. */
2816 				cam_periph_unlock(periph);
2817 				return;
2818 			}
2819 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
2820 				cam_release_devq(path,
2821 						 /*relsim_flags*/0,
2822 						 /*reduction*/0,
2823 						 /*timeout*/0,
2824 						 /*getcount_only*/0);
2825 			/*
2826 			 * If we get an error on an NCQ DSM TRIM, fall back
2827 			 * to a non-NCQ DSM TRIM forever. Please note that if
2828 			 * CAN_NCQ_TRIM is set, CAN_TRIM is necessarily set too.
2829 			 * However, for this one trim, we treat it as advisory
2830 			 * and return success up the stack.
2831 			 */
2832 			if (state == ADA_CCB_TRIM &&
2833 			    error != 0 &&
2834 			    (softc->flags & ADA_FLAG_CAN_NCQ_TRIM) != 0) {
2835 				softc->flags &= ~ADA_FLAG_CAN_NCQ_TRIM;
2836 				error = 0;
2837 				adasetdeletemethod(softc);
2838 			}
2839 		} else {
2840 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
2841 				panic("REQ_CMP with QFRZN");
2842 
2843 			error = 0;
2844 		}
2845 		bp->bio_error = error;
2846 		if (error != 0) {
2847 			bp->bio_resid = bp->bio_bcount;
2848 			bp->bio_flags |= BIO_ERROR;
2849 		} else {
2850 			if (bp->bio_cmd == BIO_ZONE)
2851 				adazonedone(periph, done_ccb);
2852 			else if (state == ADA_CCB_TRIM)
2853 				bp->bio_resid = 0;
2854 			else
2855 				bp->bio_resid = ataio->resid;
2856 
2857 			if ((bp->bio_resid > 0)
2858 			 && (bp->bio_cmd != BIO_ZONE))
2859 				bp->bio_flags |= BIO_ERROR;
2860 		}
2861 		softc->outstanding_cmds--;
2862 		if (softc->outstanding_cmds == 0)
2863 			softc->flags |= ADA_FLAG_WAS_OTAG;
2864 
2865 		/*
2866 		 * We need to call cam_iosched before we call biodone so that we
2867 		 * don't measure any activity that happens in the completion
2868 		 * routine, which in the case of sendfile can be quite
2869 		 * extensive.
2870 		 */
2871 		cam_iosched_bio_complete(softc->cam_iosched, bp, done_ccb);
2872 		xpt_release_ccb(done_ccb);
2873 		if (state == ADA_CCB_TRIM) {
2874 			TAILQ_HEAD(, bio) queue;
2875 			struct bio *bp1;
2876 
2877 			TAILQ_INIT(&queue);
2878 			TAILQ_CONCAT(&queue, &softc->trim_req.bps, bio_queue);
2879 			/*
2880 			 * Normally, the xpt_release_ccb() above would make sure
2881 			 * that when we have more work to do, that work would
2882 			 * get kicked off. However, we specifically keep
2883 			 * trim_running set to 0 before the call above to allow
2884 			 * other I/O to progress when many BIO_DELETE requests
2885 			 * are pushed down. We set trim_running to 0 and call
2886 			 * daschedule again so that we don't stall if there are
2887 			 * no other I/Os pending apart from BIO_DELETEs.
2888 			 */
2889 			cam_iosched_trim_done(softc->cam_iosched);
2890 			adaschedule(periph);
2891 			cam_periph_unlock(periph);
2892 			while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
2893 				TAILQ_REMOVE(&queue, bp1, bio_queue);
2894 				bp1->bio_error = error;
2895 				if (error != 0) {
2896 					bp1->bio_flags |= BIO_ERROR;
2897 					bp1->bio_resid = bp1->bio_bcount;
2898 				} else
2899 					bp1->bio_resid = 0;
2900 				biodone(bp1);
2901 			}
2902 		} else {
2903 			adaschedule(periph);
2904 			cam_periph_unlock(periph);
2905 			biodone(bp);
2906 		}
2907 		return;
2908 	}
2909 	case ADA_CCB_RAHEAD:
2910 	{
2911 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2912 			if (adaerror(done_ccb, 0, 0) == ERESTART) {
2913 				/* Drop freeze taken due to CAM_DEV_QFREEZE */
2914 				cam_release_devq(path, 0, 0, 0, FALSE);
2915 				return;
2916 			} else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
2917 				cam_release_devq(path,
2918 				    /*relsim_flags*/0,
2919 				    /*reduction*/0,
2920 				    /*timeout*/0,
2921 				    /*getcount_only*/0);
2922 			}
2923 		}
2924 
2925 		/*
2926 		 * Since our peripheral may be invalidated by an error
2927 		 * above or an external event, we must release our CCB
2928 		 * before releasing the reference on the peripheral.
2929 		 * The peripheral will only go away once the last reference
2930 		 * is removed, and we need it around for the CCB release
2931 		 * operation.
2932 		 */
2933 
2934 		xpt_release_ccb(done_ccb);
2935 		softc->state = ADA_STATE_WCACHE;
2936 		xpt_schedule(periph, priority);
2937 		/* Drop freeze taken due to CAM_DEV_QFREEZE */
2938 		cam_release_devq(path, 0, 0, 0, FALSE);
2939 		return;
2940 	}
2941 	case ADA_CCB_WCACHE:
2942 	{
2943 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2944 			if (adaerror(done_ccb, 0, 0) == ERESTART) {
2945 				/* Drop freeze taken due to CAM_DEV_QFREEZE */
2946 				cam_release_devq(path, 0, 0, 0, FALSE);
2947 				return;
2948 			} else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
2949 				cam_release_devq(path,
2950 				    /*relsim_flags*/0,
2951 				    /*reduction*/0,
2952 				    /*timeout*/0,
2953 				    /*getcount_only*/0);
2954 			}
2955 		}
2956 
2957 		/* Drop freeze taken due to CAM_DEV_QFREEZE */
2958 		cam_release_devq(path, 0, 0, 0, FALSE);
2959 
2960 		if ((softc->flags & ADA_FLAG_CAN_LOG)
2961 		 && (softc->zone_mode != ADA_ZONE_NONE)) {
2962 			xpt_release_ccb(done_ccb);
2963 			softc->state = ADA_STATE_LOGDIR;
2964 			xpt_schedule(periph, priority);
2965 		} else {
2966 			adaprobedone(periph, done_ccb);
2967 		}
2968 		return;
2969 	}
2970 	case ADA_CCB_LOGDIR:
2971 	{
2972 		int error;
2973 
2974 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
2975 			error = 0;
2976 			softc->valid_logdir_len = 0;
2977 			bzero(&softc->ata_logdir, sizeof(softc->ata_logdir));
2978 			softc->valid_logdir_len =
2979 				ataio->dxfer_len - ataio->resid;
2980 			if (softc->valid_logdir_len > 0)
2981 				bcopy(ataio->data_ptr, &softc->ata_logdir,
2982 				    min(softc->valid_logdir_len,
2983 					sizeof(softc->ata_logdir)));
2984 			/*
2985 			 * Figure out whether the Identify Device log is
2986 			 * supported.  The General Purpose log directory
2987 			 * has a header, and lists the number of pages
2988 			 * available for each GP log identified by the
2989 			 * offset into the list.
2990 			 */
2991 			if ((softc->valid_logdir_len >=
2992 			    ((ATA_IDENTIFY_DATA_LOG + 1) * sizeof(uint16_t)))
2993 			 && (le16dec(softc->ata_logdir.header) ==
2994 			     ATA_GP_LOG_DIR_VERSION)
2995 			 && (le16dec(&softc->ata_logdir.num_pages[
2996 			     (ATA_IDENTIFY_DATA_LOG *
2997 			     sizeof(uint16_t)) - sizeof(uint16_t)]) > 0)){
2998 				softc->flags |= ADA_FLAG_CAN_IDLOG;
2999 			} else {
3000 				softc->flags &= ~ADA_FLAG_CAN_IDLOG;
3001 			}
3002 		} else {
3003 			error = adaerror(done_ccb, CAM_RETRY_SELTO,
3004 					 SF_RETRY_UA|SF_NO_PRINT);
3005 			if (error == ERESTART)
3006 				return;
3007 			else if (error != 0) {
3008 				/*
3009 				 * If we can't get the ATA log directory,
3010 				 * then ATA logs are effectively not
3011 				 * supported even if the bit is set in the
3012 				 * identify data.
3013 				 */
3014 				softc->flags &= ~(ADA_FLAG_CAN_LOG |
3015 						  ADA_FLAG_CAN_IDLOG);
3016 				if ((done_ccb->ccb_h.status &
3017 				     CAM_DEV_QFRZN) != 0) {
3018 					/* Don't wedge this device's queue */
3019 					cam_release_devq(done_ccb->ccb_h.path,
3020 							 /*relsim_flags*/0,
3021 							 /*reduction*/0,
3022 							 /*timeout*/0,
3023 							 /*getcount_only*/0);
3024 				}
3025 			}
3026 
3027 
3028 		}
3029 
3030 		free(ataio->data_ptr, M_ATADA);
3031 
3032 		if ((error == 0)
3033 		 && (softc->flags & ADA_FLAG_CAN_IDLOG)) {
3034 			softc->state = ADA_STATE_IDDIR;
3035 			xpt_release_ccb(done_ccb);
3036 			xpt_schedule(periph, priority);
3037 		} else
3038 			adaprobedone(periph, done_ccb);
3039 
3040 		return;
3041 	}
3042 	case ADA_CCB_IDDIR: {
3043 		int error;
3044 
3045 		if ((ataio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3046 			off_t entries_offset, max_entries;
3047 			error = 0;
3048 
3049 			softc->valid_iddir_len = 0;
3050 			bzero(&softc->ata_iddir, sizeof(softc->ata_iddir));
3051 			softc->flags &= ~(ADA_FLAG_CAN_SUPCAP |
3052 					  ADA_FLAG_CAN_ZONE);
3053 			softc->valid_iddir_len =
3054 				ataio->dxfer_len - ataio->resid;
3055 			if (softc->valid_iddir_len > 0)
3056 				bcopy(ataio->data_ptr, &softc->ata_iddir,
3057 				    min(softc->valid_iddir_len,
3058 					sizeof(softc->ata_iddir)));
3059 
3060 			entries_offset =
3061 			    __offsetof(struct ata_identify_log_pages,entries);
3062 			max_entries = softc->valid_iddir_len - entries_offset;
3063 			if ((softc->valid_iddir_len > (entries_offset + 1))
3064 			 && (le64dec(softc->ata_iddir.header) ==
3065 			     ATA_IDLOG_REVISION)
3066 			 && (softc->ata_iddir.entry_count > 0)) {
3067 				int num_entries, i;
3068 
3069 				num_entries = softc->ata_iddir.entry_count;
3070 				num_entries = min(num_entries,
3071 				   softc->valid_iddir_len - entries_offset);
3072 				for (i = 0; i < num_entries &&
3073 				     i < max_entries; i++) {
3074 					if (softc->ata_iddir.entries[i] ==
3075 					    ATA_IDL_SUP_CAP)
3076 						softc->flags |=
3077 						    ADA_FLAG_CAN_SUPCAP;
3078 					else if (softc->ata_iddir.entries[i]==
3079 						 ATA_IDL_ZDI)
3080 						softc->flags |=
3081 						    ADA_FLAG_CAN_ZONE;
3082 
3083 					if ((softc->flags &
3084 					     ADA_FLAG_CAN_SUPCAP)
3085 					 && (softc->flags &
3086 					     ADA_FLAG_CAN_ZONE))
3087 						break;
3088 				}
3089 			}
3090 		} else {
3091 			error = adaerror(done_ccb, CAM_RETRY_SELTO,
3092 					 SF_RETRY_UA|SF_NO_PRINT);
3093 			if (error == ERESTART)
3094 				return;
3095 			else if (error != 0) {
3096 				/*
3097 				 * If we can't get the ATA Identify Data log
3098 				 * directory, then it effectively isn't
3099 				 * supported even if the ATA Log directory
3100 				 * a non-zero number of pages present for
3101 				 * this log.
3102 				 */
3103 				softc->flags &= ~ADA_FLAG_CAN_IDLOG;
3104 				if ((done_ccb->ccb_h.status &
3105 				     CAM_DEV_QFRZN) != 0) {
3106 					/* Don't wedge this device's queue */
3107 					cam_release_devq(done_ccb->ccb_h.path,
3108 							 /*relsim_flags*/0,
3109 							 /*reduction*/0,
3110 							 /*timeout*/0,
3111 							 /*getcount_only*/0);
3112 				}
3113 			}
3114 		}
3115 
3116 		free(ataio->data_ptr, M_ATADA);
3117 
3118 		if ((error == 0)
3119 		 && (softc->flags & ADA_FLAG_CAN_SUPCAP)) {
3120 			softc->state = ADA_STATE_SUP_CAP;
3121 			xpt_release_ccb(done_ccb);
3122 			xpt_schedule(periph, priority);
3123 		} else
3124 			adaprobedone(periph, done_ccb);
3125 		return;
3126 	}
3127 	case ADA_CCB_SUP_CAP: {
3128 		int error;
3129 
3130 		if ((ataio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3131 			uint32_t valid_len;
3132 			size_t needed_size;
3133 			struct ata_identify_log_sup_cap *sup_cap;
3134 			error = 0;
3135 
3136 			sup_cap = (struct ata_identify_log_sup_cap *)
3137 			    ataio->data_ptr;
3138 			valid_len = ataio->dxfer_len - ataio->resid;
3139 			needed_size =
3140 			    __offsetof(struct ata_identify_log_sup_cap,
3141 			    sup_zac_cap) + 1 + sizeof(sup_cap->sup_zac_cap);
3142 			if (valid_len >= needed_size) {
3143 				uint64_t zoned, zac_cap;
3144 
3145 				zoned = le64dec(sup_cap->zoned_cap);
3146 				if (zoned & ATA_ZONED_VALID) {
3147 					/*
3148 					 * This should have already been
3149 					 * set, because this is also in the
3150 					 * ATA identify data.
3151 					 */
3152 					if ((zoned & ATA_ZONED_MASK) ==
3153 					    ATA_SUPPORT_ZONE_HOST_AWARE)
3154 						softc->zone_mode =
3155 						    ADA_ZONE_HOST_AWARE;
3156 					else if ((zoned & ATA_ZONED_MASK) ==
3157 					    ATA_SUPPORT_ZONE_DEV_MANAGED)
3158 						softc->zone_mode =
3159 						    ADA_ZONE_DRIVE_MANAGED;
3160 				}
3161 
3162 				zac_cap = le64dec(sup_cap->sup_zac_cap);
3163 				if (zac_cap & ATA_SUP_ZAC_CAP_VALID) {
3164 					if (zac_cap & ATA_REPORT_ZONES_SUP)
3165 						softc->zone_flags |=
3166 						    ADA_ZONE_FLAG_RZ_SUP;
3167 					if (zac_cap & ATA_ND_OPEN_ZONE_SUP)
3168 						softc->zone_flags |=
3169 						    ADA_ZONE_FLAG_OPEN_SUP;
3170 					if (zac_cap & ATA_ND_CLOSE_ZONE_SUP)
3171 						softc->zone_flags |=
3172 						    ADA_ZONE_FLAG_CLOSE_SUP;
3173 					if (zac_cap & ATA_ND_FINISH_ZONE_SUP)
3174 						softc->zone_flags |=
3175 						    ADA_ZONE_FLAG_FINISH_SUP;
3176 					if (zac_cap & ATA_ND_RWP_SUP)
3177 						softc->zone_flags |=
3178 						    ADA_ZONE_FLAG_RWP_SUP;
3179 				} else {
3180 					/*
3181 					 * This field was introduced in
3182 					 * ACS-4, r08 on April 28th, 2015.
3183 					 * If the drive firmware was written
3184 					 * to an earlier spec, it won't have
3185 					 * the field.  So, assume all
3186 					 * commands are supported.
3187 					 */
3188 					softc->zone_flags |=
3189 					    ADA_ZONE_FLAG_SUP_MASK;
3190 				}
3191 
3192 			}
3193 		} else {
3194 			error = adaerror(done_ccb, CAM_RETRY_SELTO,
3195 					 SF_RETRY_UA|SF_NO_PRINT);
3196 			if (error == ERESTART)
3197 				return;
3198 			else if (error != 0) {
3199 				/*
3200 				 * If we can't get the ATA Identify Data
3201 				 * Supported Capabilities page, clear the
3202 				 * flag...
3203 				 */
3204 				softc->flags &= ~ADA_FLAG_CAN_SUPCAP;
3205 				/*
3206 				 * And clear zone capabilities.
3207 				 */
3208 				softc->zone_flags &= ~ADA_ZONE_FLAG_SUP_MASK;
3209 				if ((done_ccb->ccb_h.status &
3210 				     CAM_DEV_QFRZN) != 0) {
3211 					/* Don't wedge this device's queue */
3212 					cam_release_devq(done_ccb->ccb_h.path,
3213 							 /*relsim_flags*/0,
3214 							 /*reduction*/0,
3215 							 /*timeout*/0,
3216 							 /*getcount_only*/0);
3217 				}
3218 			}
3219 		}
3220 
3221 		free(ataio->data_ptr, M_ATADA);
3222 
3223 		if ((error == 0)
3224 		 && (softc->flags & ADA_FLAG_CAN_ZONE)) {
3225 			softc->state = ADA_STATE_ZONE;
3226 			xpt_release_ccb(done_ccb);
3227 			xpt_schedule(periph, priority);
3228 		} else
3229 			adaprobedone(periph, done_ccb);
3230 		return;
3231 	}
3232 	case ADA_CCB_ZONE: {
3233 		int error;
3234 
3235 		if ((ataio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3236 			struct ata_zoned_info_log *zi_log;
3237 			uint32_t valid_len;
3238 			size_t needed_size;
3239 
3240 			zi_log = (struct ata_zoned_info_log *)ataio->data_ptr;
3241 
3242 			valid_len = ataio->dxfer_len - ataio->resid;
3243 			needed_size = __offsetof(struct ata_zoned_info_log,
3244 			    version_info) + 1 + sizeof(zi_log->version_info);
3245 			if (valid_len >= needed_size) {
3246 				uint64_t tmpvar;
3247 
3248 				tmpvar = le64dec(zi_log->zoned_cap);
3249 				if (tmpvar & ATA_ZDI_CAP_VALID) {
3250 					if (tmpvar & ATA_ZDI_CAP_URSWRZ)
3251 						softc->zone_flags |=
3252 						    ADA_ZONE_FLAG_URSWRZ;
3253 					else
3254 						softc->zone_flags &=
3255 						    ~ADA_ZONE_FLAG_URSWRZ;
3256 				}
3257 				tmpvar = le64dec(zi_log->optimal_seq_zones);
3258 				if (tmpvar & ATA_ZDI_OPT_SEQ_VALID) {
3259 					softc->zone_flags |=
3260 					    ADA_ZONE_FLAG_OPT_SEQ_SET;
3261 					softc->optimal_seq_zones = (tmpvar &
3262 					    ATA_ZDI_OPT_SEQ_MASK);
3263 				} else {
3264 					softc->zone_flags &=
3265 					    ~ADA_ZONE_FLAG_OPT_SEQ_SET;
3266 					softc->optimal_seq_zones = 0;
3267 				}
3268 
3269 				tmpvar =le64dec(zi_log->optimal_nonseq_zones);
3270 				if (tmpvar & ATA_ZDI_OPT_NS_VALID) {
3271 					softc->zone_flags |=
3272 					    ADA_ZONE_FLAG_OPT_NONSEQ_SET;
3273 					softc->optimal_nonseq_zones =
3274 					    (tmpvar & ATA_ZDI_OPT_NS_MASK);
3275 				} else {
3276 					softc->zone_flags &=
3277 					    ~ADA_ZONE_FLAG_OPT_NONSEQ_SET;
3278 					softc->optimal_nonseq_zones = 0;
3279 				}
3280 
3281 				tmpvar = le64dec(zi_log->max_seq_req_zones);
3282 				if (tmpvar & ATA_ZDI_MAX_SEQ_VALID) {
3283 					softc->zone_flags |=
3284 					    ADA_ZONE_FLAG_MAX_SEQ_SET;
3285 					softc->max_seq_zones =
3286 					    (tmpvar & ATA_ZDI_MAX_SEQ_MASK);
3287 				} else {
3288 					softc->zone_flags &=
3289 					    ~ADA_ZONE_FLAG_MAX_SEQ_SET;
3290 					softc->max_seq_zones = 0;
3291 				}
3292 			}
3293 		} else {
3294 			error = adaerror(done_ccb, CAM_RETRY_SELTO,
3295 					 SF_RETRY_UA|SF_NO_PRINT);
3296 			if (error == ERESTART)
3297 				return;
3298 			else if (error != 0) {
3299 				softc->flags &= ~ADA_FLAG_CAN_ZONE;
3300 				softc->flags &= ~ADA_ZONE_FLAG_SET_MASK;
3301 
3302 				if ((done_ccb->ccb_h.status &
3303 				     CAM_DEV_QFRZN) != 0) {
3304 					/* Don't wedge this device's queue */
3305 					cam_release_devq(done_ccb->ccb_h.path,
3306 							 /*relsim_flags*/0,
3307 							 /*reduction*/0,
3308 							 /*timeout*/0,
3309 							 /*getcount_only*/0);
3310 				}
3311 			}
3312 
3313 		}
3314 		free(ataio->data_ptr, M_ATADA);
3315 
3316 		adaprobedone(periph, done_ccb);
3317 		return;
3318 	}
3319 	case ADA_CCB_DUMP:
3320 		/* No-op.  We're polling */
3321 		return;
3322 	default:
3323 		break;
3324 	}
3325 	xpt_release_ccb(done_ccb);
3326 }
3327 
3328 static int
3329 adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
3330 {
3331 #ifdef CAM_IO_STATS
3332 	struct ada_softc *softc;
3333 	struct cam_periph *periph;
3334 
3335 	periph = xpt_path_periph(ccb->ccb_h.path);
3336 	softc = (struct ada_softc *)periph->softc;
3337 
3338 	switch (ccb->ccb_h.status & CAM_STATUS_MASK) {
3339 	case CAM_CMD_TIMEOUT:
3340 		softc->timeouts++;
3341 		break;
3342 	case CAM_REQ_ABORTED:
3343 	case CAM_REQ_CMP_ERR:
3344 	case CAM_REQ_TERMIO:
3345 	case CAM_UNREC_HBA_ERROR:
3346 	case CAM_DATA_RUN_ERR:
3347 	case CAM_ATA_STATUS_ERROR:
3348 		softc->errors++;
3349 		break;
3350 	default:
3351 		break;
3352 	}
3353 #endif
3354 
3355 	return(cam_periph_error(ccb, cam_flags, sense_flags, NULL));
3356 }
3357 
3358 static void
3359 adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd)
3360 {
3361 	struct ada_softc *softc = (struct ada_softc *)periph->softc;
3362 	struct disk_params *dp = &softc->params;
3363 	u_int64_t lbasize48;
3364 	u_int32_t lbasize;
3365 
3366 	dp->secsize = ata_logical_sector_size(&cgd->ident_data);
3367 	if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) &&
3368 		cgd->ident_data.current_heads && cgd->ident_data.current_sectors) {
3369 		dp->heads = cgd->ident_data.current_heads;
3370 		dp->secs_per_track = cgd->ident_data.current_sectors;
3371 		dp->cylinders = cgd->ident_data.cylinders;
3372 		dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 |
3373 			  ((u_int32_t)cgd->ident_data.current_size_2 << 16);
3374 	} else {
3375 		dp->heads = cgd->ident_data.heads;
3376 		dp->secs_per_track = cgd->ident_data.sectors;
3377 		dp->cylinders = cgd->ident_data.cylinders;
3378 		dp->sectors = cgd->ident_data.cylinders * dp->heads * dp->secs_per_track;
3379 	}
3380 	lbasize = (u_int32_t)cgd->ident_data.lba_size_1 |
3381 		  ((u_int32_t)cgd->ident_data.lba_size_2 << 16);
3382 
3383 	/* use the 28bit LBA size if valid or bigger than the CHS mapping */
3384 	if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize)
3385 		dp->sectors = lbasize;
3386 
3387 	/* use the 48bit LBA size if valid */
3388 	lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) |
3389 		    ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) |
3390 		    ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) |
3391 		    ((u_int64_t)cgd->ident_data.lba_size48_4 << 48);
3392 	if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) &&
3393 	    lbasize48 > ATA_MAX_28BIT_LBA)
3394 		dp->sectors = lbasize48;
3395 }
3396 
3397 static void
3398 adasendorderedtag(void *arg)
3399 {
3400 	struct ada_softc *softc = arg;
3401 
3402 	if (ada_send_ordered) {
3403 		if (softc->outstanding_cmds > 0) {
3404 			if ((softc->flags & ADA_FLAG_WAS_OTAG) == 0)
3405 				softc->flags |= ADA_FLAG_NEED_OTAG;
3406 			softc->flags &= ~ADA_FLAG_WAS_OTAG;
3407 		}
3408 	}
3409 	/* Queue us up again */
3410 	callout_reset(&softc->sendordered_c,
3411 	    (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL,
3412 	    adasendorderedtag, softc);
3413 }
3414 
3415 /*
3416  * Step through all ADA peripheral drivers, and if the device is still open,
3417  * sync the disk cache to physical media.
3418  */
3419 static void
3420 adaflush(void)
3421 {
3422 	struct cam_periph *periph;
3423 	struct ada_softc *softc;
3424 	union ccb *ccb;
3425 	int error;
3426 
3427 	CAM_PERIPH_FOREACH(periph, &adadriver) {
3428 		softc = (struct ada_softc *)periph->softc;
3429 		if (SCHEDULER_STOPPED()) {
3430 			/* If we paniced with the lock held, do not recurse. */
3431 			if (!cam_periph_owned(periph) &&
3432 			    (softc->flags & ADA_FLAG_OPEN)) {
3433 				adadump(softc->disk, NULL, 0, 0, 0);
3434 			}
3435 			continue;
3436 		}
3437 		cam_periph_lock(periph);
3438 		/*
3439 		 * We only sync the cache if the drive is still open, and
3440 		 * if the drive is capable of it..
3441 		 */
3442 		if (((softc->flags & ADA_FLAG_OPEN) == 0) ||
3443 		    (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) {
3444 			cam_periph_unlock(periph);
3445 			continue;
3446 		}
3447 
3448 		ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3449 		cam_fill_ataio(&ccb->ataio,
3450 				    0,
3451 				    adadone,
3452 				    CAM_DIR_NONE,
3453 				    0,
3454 				    NULL,
3455 				    0,
3456 				    ada_default_timeout*1000);
3457 		if (softc->flags & ADA_FLAG_CAN_48BIT)
3458 			ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0);
3459 		else
3460 			ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0);
3461 
3462 		error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0,
3463 		    /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY,
3464 		    softc->disk->d_devstat);
3465 		if (error != 0)
3466 			xpt_print(periph->path, "Synchronize cache failed\n");
3467 		xpt_release_ccb(ccb);
3468 		cam_periph_unlock(periph);
3469 	}
3470 }
3471 
3472 static void
3473 adaspindown(uint8_t cmd, int flags)
3474 {
3475 	struct cam_periph *periph;
3476 	struct ada_softc *softc;
3477 	struct ccb_ataio local_ccb;
3478 	int error;
3479 
3480 	CAM_PERIPH_FOREACH(periph, &adadriver) {
3481 		/* If we paniced with lock held - not recurse here. */
3482 		if (cam_periph_owned(periph))
3483 			continue;
3484 		cam_periph_lock(periph);
3485 		softc = (struct ada_softc *)periph->softc;
3486 		/*
3487 		 * We only spin-down the drive if it is capable of it..
3488 		 */
3489 		if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) {
3490 			cam_periph_unlock(periph);
3491 			continue;
3492 		}
3493 
3494 		if (bootverbose)
3495 			xpt_print(periph->path, "spin-down\n");
3496 
3497 		memset(&local_ccb, 0, sizeof(local_ccb));
3498 		xpt_setup_ccb(&local_ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3499 		local_ccb.ccb_h.ccb_state = ADA_CCB_DUMP;
3500 
3501 		cam_fill_ataio(&local_ccb,
3502 				    0,
3503 				    adadone,
3504 				    CAM_DIR_NONE | flags,
3505 				    0,
3506 				    NULL,
3507 				    0,
3508 				    ada_default_timeout*1000);
3509 		ata_28bit_cmd(&local_ccb, cmd, 0, 0, 0);
3510 
3511 		if (!SCHEDULER_STOPPED()) {
3512 			/*
3513 			 * Not panicing, can just do the normal runccb
3514 			 * XXX should make cam_periph_runccb work while
3515 			 * XXX panicing... later
3516 			 */
3517 			error = cam_periph_runccb((union ccb *)&local_ccb, adaerror,
3518 			    /*cam_flags*/0, /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY,
3519 			    softc->disk->d_devstat);
3520 		} else {
3521 			/*
3522 			 * Panicing, so we have to do this by hand: do
3523 			 * xpt_polled_action to run the request through the SIM,
3524 			 * extract the error, and if the queue was frozen,
3525 			 * unfreeze it. cam_periph_runccb takes care of these
3526 			 * details, but xpt_polled_action doesn't.
3527 			 */
3528 			xpt_polled_action((union ccb *)&local_ccb);
3529 			error = adaerror((union ccb *)&local_ccb, 0,
3530 			    SF_NO_RECOVERY | SF_NO_RETRY);
3531 			if ((local_ccb.ccb_h.status & CAM_DEV_QFRZN) != 0)
3532 				cam_release_devq(local_ccb.ccb_h.path,
3533 				    /*relsim_flags*/0, /*reduction*/0,
3534 				    /*timeout*/0, /*getcount_only*/0);
3535 		}
3536 		if (error != 0)
3537 			xpt_print(periph->path, "Spin-down disk failed\n");
3538 		cam_periph_unlock(periph);
3539 	}
3540 }
3541 
3542 static void
3543 adashutdown(void *arg, int howto)
3544 {
3545 	int how;
3546 
3547 	adaflush();
3548 
3549 	/*
3550 	 * STANDBY IMMEDIATE saves any volatile data to the drive. It also spins
3551 	 * down hard drives. IDLE IMMEDIATE also saves the volatile data without
3552 	 * a spindown. We send the former when we expect to lose power soon. For
3553 	 * a warm boot, we send the latter to avoid a thundering herd of spinups
3554 	 * just after the kernel loads while probing. We have to do something to
3555 	 * flush the data because the BIOS in many systems resets the HBA
3556 	 * causing a COMINIT/COMRESET negotiation, which some drives interpret
3557 	 * as license to toss the volatile data, and others count as unclean
3558 	 * shutdown when in the Active PM state in SMART attributes.
3559 	 *
3560 	 * adaspindown will ensure that we don't send this to a drive that
3561 	 * doesn't support it.
3562 	 */
3563 	if (ada_spindown_shutdown != 0) {
3564 		how = (howto & (RB_HALT | RB_POWEROFF | RB_POWERCYCLE)) ?
3565 		    ATA_STANDBY_IMMEDIATE : ATA_IDLE_IMMEDIATE;
3566 		adaspindown(how, 0);
3567 	}
3568 }
3569 
3570 static void
3571 adasuspend(void *arg)
3572 {
3573 
3574 	adaflush();
3575 	/*
3576 	 * SLEEP also fushes any volatile data, like STANDBY IMEDIATE,
3577 	 * so we don't need to send it as well.
3578 	 */
3579 	if (ada_spindown_suspend != 0)
3580 		adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE);
3581 }
3582 
3583 static void
3584 adaresume(void *arg)
3585 {
3586 	struct cam_periph *periph;
3587 	struct ada_softc *softc;
3588 
3589 	if (ada_spindown_suspend == 0)
3590 		return;
3591 
3592 	CAM_PERIPH_FOREACH(periph, &adadriver) {
3593 		cam_periph_lock(periph);
3594 		softc = (struct ada_softc *)periph->softc;
3595 		/*
3596 		 * We only spin-down the drive if it is capable of it..
3597 		 */
3598 		if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) {
3599 			cam_periph_unlock(periph);
3600 			continue;
3601 		}
3602 
3603 		if (bootverbose)
3604 			xpt_print(periph->path, "resume\n");
3605 
3606 		/*
3607 		 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on
3608 		 * sleep request.
3609 		 */
3610 		cam_release_devq(periph->path,
3611 			 /*relsim_flags*/0,
3612 			 /*openings*/0,
3613 			 /*timeout*/0,
3614 			 /*getcount_only*/0);
3615 
3616 		cam_periph_unlock(periph);
3617 	}
3618 }
3619 
3620 #endif /* _KERNEL */
3621