xref: /freebsd/sys/cam/ata/ata_da.c (revision 22cf89c938886d14f5796fc49f9f020c23ea8eaf)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer,
12  *    without modification, immediately at the beginning of the file.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
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.h>
52 #include <geom/geom_disk.h>
53 #endif /* _KERNEL */
54 
55 #ifndef _KERNEL
56 #include <stdio.h>
57 #include <string.h>
58 #endif /* _KERNEL */
59 
60 #include <cam/cam.h>
61 #include <cam/cam_ccb.h>
62 #include <cam/cam_periph.h>
63 #include <cam/cam_xpt_periph.h>
64 #include <cam/scsi/scsi_all.h>
65 #include <cam/scsi/scsi_da.h>
66 #include <cam/cam_sim.h>
67 #include <cam/cam_iosched.h>
68 
69 #include <cam/ata/ata_all.h>
70 
71 #ifdef _KERNEL
72 
73 #define ATA_MAX_28BIT_LBA               268435455UL
74 
75 extern int iosched_debug;
76 
77 typedef enum {
78 	ADA_STATE_RAHEAD,
79 	ADA_STATE_WCACHE,
80 	ADA_STATE_LOGDIR,
81 	ADA_STATE_IDDIR,
82 	ADA_STATE_SUP_CAP,
83 	ADA_STATE_ZONE,
84 	ADA_STATE_NORMAL
85 } ada_state;
86 
87 typedef enum {
88 	ADA_FLAG_CAN_48BIT	= 0x00000002,
89 	ADA_FLAG_CAN_FLUSHCACHE	= 0x00000004,
90 	ADA_FLAG_CAN_NCQ	= 0x00000008,
91 	ADA_FLAG_CAN_DMA	= 0x00000010,
92 	ADA_FLAG_NEED_OTAG	= 0x00000020,
93 	ADA_FLAG_WAS_OTAG	= 0x00000040,
94 	ADA_FLAG_CAN_TRIM	= 0x00000080,
95 	ADA_FLAG_OPEN		= 0x00000100,
96 	ADA_FLAG_SCTX_INIT	= 0x00000200,
97 	ADA_FLAG_CAN_CFA        = 0x00000400,
98 	ADA_FLAG_CAN_POWERMGT   = 0x00000800,
99 	ADA_FLAG_CAN_DMA48	= 0x00001000,
100 	ADA_FLAG_CAN_LOG	= 0x00002000,
101 	ADA_FLAG_CAN_IDLOG	= 0x00004000,
102 	ADA_FLAG_CAN_SUPCAP	= 0x00008000,
103 	ADA_FLAG_CAN_ZONE	= 0x00010000,
104 	ADA_FLAG_CAN_WCACHE	= 0x00020000,
105 	ADA_FLAG_CAN_RAHEAD	= 0x00040000,
106 	ADA_FLAG_PROBED		= 0x00080000,
107 	ADA_FLAG_ANNOUNCED	= 0x00100000,
108 	ADA_FLAG_DIRTY		= 0x00200000,
109 	ADA_FLAG_CAN_NCQ_TRIM	= 0x00400000,	/* CAN_TRIM also set */
110 	ADA_FLAG_PIM_ATA_EXT	= 0x00800000,
111 	ADA_FLAG_UNMAPPEDIO	= 0x01000000,
112 	ADA_FLAG_ROTATING	= 0x02000000
113 } ada_flags;
114 #define ADA_FLAG_STRING		\
115 	"\020"			\
116 	"\002CAN_48BIT"		\
117 	"\003CAN_FLUSHCACHE"	\
118 	"\004CAN_NCQ"		\
119 	"\005CAN_DMA"		\
120 	"\006NEED_OTAG"		\
121 	"\007WAS_OTAG"		\
122 	"\010CAN_TRIM"		\
123 	"\011OPEN"		\
124 	"\012SCTX_INIT"		\
125 	"\013CAN_CFA"		\
126 	"\014CAN_POWERMGT"	\
127 	"\015CAN_DMA48"		\
128 	"\016CAN_LOG"		\
129 	"\017CAN_IDLOG"		\
130 	"\020CAN_SUPCAP"	\
131 	"\021CAN_ZONE"		\
132 	"\022CAN_WCACHE"	\
133 	"\023CAN_RAHEAD"	\
134 	"\024PROBED"		\
135 	"\025ANNOUNCED"		\
136 	"\026DIRTY"		\
137 	"\027CAN_NCQ_TRIM"	\
138 	"\030PIM_ATA_EXT"	\
139 	"\031UNMAPPEDIO"	\
140 	"\032ROTATING"
141 
142 typedef enum {
143 	ADA_Q_NONE		= 0x00,
144 	ADA_Q_4K		= 0x01,
145 	ADA_Q_NCQ_TRIM_BROKEN	= 0x02,
146 	ADA_Q_LOG_BROKEN	= 0x04,
147 	ADA_Q_SMR_DM		= 0x08,
148 	ADA_Q_NO_TRIM		= 0x10,
149 	ADA_Q_128KB		= 0x20
150 } ada_quirks;
151 
152 #define ADA_Q_BIT_STRING	\
153 	"\020"			\
154 	"\0014K"		\
155 	"\002NCQ_TRIM_BROKEN"	\
156 	"\003LOG_BROKEN"	\
157 	"\004SMR_DM"		\
158 	"\005NO_TRIM"		\
159 	"\006128KB"
160 
161 typedef enum {
162 	ADA_CCB_RAHEAD		= 0x01,
163 	ADA_CCB_WCACHE		= 0x02,
164 	ADA_CCB_BUFFER_IO	= 0x03,
165 	ADA_CCB_DUMP		= 0x05,
166 	ADA_CCB_TRIM		= 0x06,
167 	ADA_CCB_LOGDIR		= 0x07,
168 	ADA_CCB_IDDIR		= 0x08,
169 	ADA_CCB_SUP_CAP		= 0x09,
170 	ADA_CCB_ZONE		= 0x0a,
171 	ADA_CCB_TYPE_MASK	= 0x0F,
172 } ada_ccb_state;
173 
174 typedef enum {
175 	ADA_ZONE_NONE		= 0x00,
176 	ADA_ZONE_DRIVE_MANAGED	= 0x01,
177 	ADA_ZONE_HOST_AWARE	= 0x02,
178 	ADA_ZONE_HOST_MANAGED	= 0x03
179 } ada_zone_mode;
180 
181 typedef enum {
182 	ADA_ZONE_FLAG_RZ_SUP		= 0x0001,
183 	ADA_ZONE_FLAG_OPEN_SUP		= 0x0002,
184 	ADA_ZONE_FLAG_CLOSE_SUP		= 0x0004,
185 	ADA_ZONE_FLAG_FINISH_SUP	= 0x0008,
186 	ADA_ZONE_FLAG_RWP_SUP		= 0x0010,
187 	ADA_ZONE_FLAG_SUP_MASK		= (ADA_ZONE_FLAG_RZ_SUP |
188 					   ADA_ZONE_FLAG_OPEN_SUP |
189 					   ADA_ZONE_FLAG_CLOSE_SUP |
190 					   ADA_ZONE_FLAG_FINISH_SUP |
191 					   ADA_ZONE_FLAG_RWP_SUP),
192 	ADA_ZONE_FLAG_URSWRZ		= 0x0020,
193 	ADA_ZONE_FLAG_OPT_SEQ_SET	= 0x0040,
194 	ADA_ZONE_FLAG_OPT_NONSEQ_SET	= 0x0080,
195 	ADA_ZONE_FLAG_MAX_SEQ_SET	= 0x0100,
196 	ADA_ZONE_FLAG_SET_MASK		= (ADA_ZONE_FLAG_OPT_SEQ_SET |
197 					   ADA_ZONE_FLAG_OPT_NONSEQ_SET |
198 					   ADA_ZONE_FLAG_MAX_SEQ_SET)
199 } ada_zone_flags;
200 
201 static struct ada_zone_desc {
202 	ada_zone_flags value;
203 	const char *desc;
204 } ada_zone_desc_table[] = {
205 	{ADA_ZONE_FLAG_RZ_SUP, "Report Zones" },
206 	{ADA_ZONE_FLAG_OPEN_SUP, "Open" },
207 	{ADA_ZONE_FLAG_CLOSE_SUP, "Close" },
208 	{ADA_ZONE_FLAG_FINISH_SUP, "Finish" },
209 	{ADA_ZONE_FLAG_RWP_SUP, "Reset Write Pointer" },
210 };
211 
212 /* Offsets into our private area for storing information */
213 #define ccb_state	ppriv_field0
214 #define ccb_bp		ppriv_ptr1
215 
216 typedef enum {
217 	ADA_DELETE_NONE,
218 	ADA_DELETE_DISABLE,
219 	ADA_DELETE_CFA_ERASE,
220 	ADA_DELETE_DSM_TRIM,
221 	ADA_DELETE_NCQ_DSM_TRIM,
222 	ADA_DELETE_MIN = ADA_DELETE_CFA_ERASE,
223 	ADA_DELETE_MAX = ADA_DELETE_NCQ_DSM_TRIM,
224 } ada_delete_methods;
225 
226 static const char *ada_delete_method_names[] =
227     { "NONE", "DISABLE", "CFA_ERASE", "DSM_TRIM", "NCQ_DSM_TRIM" };
228 #if 0
229 static const char *ada_delete_method_desc[] =
230     { "NONE", "DISABLED", "CFA Erase", "DSM Trim", "DSM Trim via NCQ" };
231 #endif
232 
233 struct disk_params {
234 	uint8_t  heads;
235 	uint8_t  secs_per_track;
236 	uint32_t cylinders;
237 	uint32_t secsize;	/* Number of bytes/logical sector */
238 	uint64_t sectors;	/* Total number sectors */
239 };
240 
241 #define TRIM_MAX_BLOCKS	8
242 #define TRIM_MAX_RANGES	(TRIM_MAX_BLOCKS * ATA_DSM_BLK_RANGES)
243 struct trim_request {
244 	uint8_t		data[TRIM_MAX_RANGES * ATA_DSM_RANGE_SIZE];
245 	TAILQ_HEAD(, bio) bps;
246 };
247 
248 struct ada_softc {
249 	struct   cam_iosched_softc *cam_iosched;
250 	int	 outstanding_cmds;	/* Number of active commands */
251 	int	 refcount;		/* Active xpt_action() calls */
252 	ada_state state;
253 	ada_flags flags;
254 	ada_zone_mode zone_mode;
255 	ada_zone_flags zone_flags;
256 	struct ata_gp_log_dir ata_logdir;
257 	int valid_logdir_len;
258 	struct ata_identify_log_pages ata_iddir;
259 	int valid_iddir_len;
260 	uint64_t optimal_seq_zones;
261 	uint64_t optimal_nonseq_zones;
262 	uint64_t max_seq_zones;
263 	ada_quirks quirks;
264 	ada_delete_methods delete_method;
265 	int	 trim_max_ranges;
266 	int	 read_ahead;
267 	int	 write_cache;
268 #ifdef CAM_TEST_FAILURE
269 	int      force_read_error;
270 	int      force_write_error;
271 	int      periodic_read_error;
272 	int      periodic_read_count;
273 #endif
274 	struct ccb_pathinq	cpi;
275 	struct disk_params	params;
276 	struct disk		*disk;
277 	struct task		sysctl_task;
278 	struct sysctl_ctx_list	sysctl_ctx;
279 	struct sysctl_oid	*sysctl_tree;
280 	struct callout		sendordered_c;
281 	struct trim_request	trim_req;
282 	uint64_t		trim_count;
283 	uint64_t		trim_ranges;
284 	uint64_t		trim_lbas;
285 #ifdef CAM_IO_STATS
286 	struct sysctl_ctx_list	sysctl_stats_ctx;
287 	struct sysctl_oid	*sysctl_stats_tree;
288 	u_int	timeouts;
289 	u_int	errors;
290 	u_int	invalidations;
291 #endif
292 #define ADA_ANNOUNCETMP_SZ 80
293 	char	announce_temp[ADA_ANNOUNCETMP_SZ];
294 #define ADA_ANNOUNCE_SZ 400
295 	char	announce_buffer[ADA_ANNOUNCE_SZ];
296 };
297 
298 static uma_zone_t ada_ccb_zone;
299 
300 struct ada_quirk_entry {
301 	struct scsi_inquiry_pattern inq_pat;
302 	ada_quirks quirks;
303 };
304 
305 static struct ada_quirk_entry ada_quirk_table[] =
306 {
307 	{
308 		/* Sandisk X400 */
309 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SanDisk?SD8SB8U1T00*", "X4162000*" },
310 		/*quirks*/ADA_Q_128KB
311 	},
312 	{
313 		/* Hitachi Advanced Format (4k) drives */
314 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Hitachi H??????????E3*", "*" },
315 		/*quirks*/ADA_Q_4K
316 	},
317 	{
318 		/* Samsung Advanced Format (4k) drives */
319 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD155UI*", "*" },
320 		/*quirks*/ADA_Q_4K
321 	},
322 	{
323 		/* Samsung Advanced Format (4k) drives */
324 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD204UI*", "*" },
325 		/*quirks*/ADA_Q_4K
326 	},
327 	{
328 		/* Seagate Barracuda Green Advanced Format (4k) drives */
329 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DL*", "*" },
330 		/*quirks*/ADA_Q_4K
331 	},
332 	{
333 		/* Seagate Barracuda Advanced Format (4k) drives */
334 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???DM*", "*" },
335 		/*quirks*/ADA_Q_4K
336 	},
337 	{
338 		/* Seagate Barracuda Advanced Format (4k) drives */
339 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DM*", "*" },
340 		/*quirks*/ADA_Q_4K
341 	},
342 	{
343 		/* Seagate Momentus Advanced Format (4k) drives */
344 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500423AS*", "*" },
345 		/*quirks*/ADA_Q_4K
346 	},
347 	{
348 		/* Seagate Momentus Advanced Format (4k) drives */
349 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500424AS*", "*" },
350 		/*quirks*/ADA_Q_4K
351 	},
352 	{
353 		/* Seagate Momentus Advanced Format (4k) drives */
354 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640423AS*", "*" },
355 		/*quirks*/ADA_Q_4K
356 	},
357 	{
358 		/* Seagate Momentus Advanced Format (4k) drives */
359 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640424AS*", "*" },
360 		/*quirks*/ADA_Q_4K
361 	},
362 	{
363 		/* Seagate Momentus Advanced Format (4k) drives */
364 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750420AS*", "*" },
365 		/*quirks*/ADA_Q_4K
366 	},
367 	{
368 		/* Seagate Momentus Advanced Format (4k) drives */
369 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750422AS*", "*" },
370 		/*quirks*/ADA_Q_4K
371 	},
372 	{
373 		/* Seagate Momentus Advanced Format (4k) drives */
374 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750423AS*", "*" },
375 		/*quirks*/ADA_Q_4K
376 	},
377 	{
378 		/* Seagate Momentus Thin Advanced Format (4k) drives */
379 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???LT*", "*" },
380 		/*quirks*/ADA_Q_4K
381 	},
382 	{
383 		/* WDC Caviar Red Advanced Format (4k) drives */
384 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????CX*", "*" },
385 		/*quirks*/ADA_Q_4K
386 	},
387 	{
388 		/* WDC Caviar Green Advanced Format (4k) drives */
389 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RS*", "*" },
390 		/*quirks*/ADA_Q_4K
391 	},
392 	{
393 		/* WDC Caviar Green/Red Advanced Format (4k) drives */
394 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RX*", "*" },
395 		/*quirks*/ADA_Q_4K
396 	},
397 	{
398 		/* WDC Caviar Red Advanced Format (4k) drives */
399 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????CX*", "*" },
400 		/*quirks*/ADA_Q_4K
401 	},
402 	{
403 		/* WDC Caviar Black Advanced Format (4k) drives */
404 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????AZEX*", "*" },
405 		/*quirks*/ADA_Q_4K
406 	},
407 	{
408 		/* WDC Caviar Black Advanced Format (4k) drives */
409 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????FZEX*", "*" },
410 		/*quirks*/ADA_Q_4K
411 	},
412 	{
413 		/* WDC Caviar Green Advanced Format (4k) drives */
414 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RS*", "*" },
415 		/*quirks*/ADA_Q_4K
416 	},
417 	{
418 		/* WDC Caviar Green Advanced Format (4k) drives */
419 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RX*", "*" },
420 		/*quirks*/ADA_Q_4K
421 	},
422 	{
423 		/* WDC Scorpio Black Advanced Format (4k) drives */
424 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PKT*", "*" },
425 		/*quirks*/ADA_Q_4K
426 	},
427 	{
428 		/* WDC Scorpio Black Advanced Format (4k) drives */
429 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PKT*", "*" },
430 		/*quirks*/ADA_Q_4K
431 	},
432 	{
433 		/* WDC Scorpio Blue Advanced Format (4k) drives */
434 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PVT*", "*" },
435 		/*quirks*/ADA_Q_4K
436 	},
437 	{
438 		/* WDC Scorpio Blue Advanced Format (4k) drives */
439 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PVT*", "*" },
440 		/*quirks*/ADA_Q_4K
441 	},
442 	/* SSDs */
443 	{
444 		/*
445 		 * Corsair Force 2 SSDs
446 		 * 4k optimised & trim only works in 4k requests + 4k aligned
447 		 */
448 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair CSSD-F*", "*" },
449 		/*quirks*/ADA_Q_4K
450 	},
451 	{
452 		/*
453 		 * Corsair Force 3 SSDs
454 		 * 4k optimised & trim only works in 4k requests + 4k aligned
455 		 */
456 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force 3*", "*" },
457 		/*quirks*/ADA_Q_4K
458 	},
459 	{
460 		/*
461 		 * Corsair Neutron GTX SSDs
462 		 * 4k optimised & trim only works in 4k requests + 4k aligned
463 		 */
464 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" },
465 		/*quirks*/ADA_Q_4K
466 	},
467 	{
468 		/*
469 		 * Corsair Force GT & GS SSDs
470 		 * 4k optimised & trim only works in 4k requests + 4k aligned
471 		 */
472 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force G*", "*" },
473 		/*quirks*/ADA_Q_4K
474 	},
475 	{
476 		/*
477 		 * Crucial M4 SSDs
478 		 * 4k optimised & trim only works in 4k requests + 4k aligned
479 		 */
480 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "M4-CT???M4SSD2*", "*" },
481 		/*quirks*/ADA_Q_4K
482 	},
483 	{
484 		/*
485 		 * Crucial M500 SSDs MU07 firmware
486 		 * NCQ Trim works
487 		 */
488 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Crucial CT*M500*", "MU07" },
489 		/*quirks*/0
490 	},
491 	{
492 		/*
493 		 * Crucial M500 SSDs all other firmware
494 		 * NCQ Trim doesn't work
495 		 */
496 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Crucial CT*M500*", "*" },
497 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
498 	},
499 	{
500 		/*
501 		 * Crucial M550 SSDs
502 		 * NCQ Trim doesn't work, but only on MU01 firmware
503 		 */
504 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Crucial CT*M550*", "MU01" },
505 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
506 	},
507 	{
508 		/*
509 		 * Crucial MX100 SSDs
510 		 * NCQ Trim doesn't work, but only on MU01 firmware
511 		 */
512 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Crucial CT*MX100*", "MU01" },
513 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
514 	},
515 	{
516 		/*
517 		 * Crucial RealSSD C300 SSDs
518 		 * 4k optimised
519 		 */
520 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "C300-CTFDDAC???MAG*",
521 		"*" }, /*quirks*/ADA_Q_4K
522 	},
523 	{
524 		/*
525 		 * FCCT M500 SSDs
526 		 * NCQ Trim doesn't work
527 		 */
528 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "FCCT*M500*", "*" },
529 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
530 	},
531 	{
532 		/*
533 		 * Intel 320 Series SSDs
534 		 * 4k optimised & trim only works in 4k requests + 4k aligned
535 		 */
536 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2CW*", "*" },
537 		/*quirks*/ADA_Q_4K
538 	},
539 	{
540 		/*
541 		 * Intel 330 Series SSDs
542 		 * 4k optimised & trim only works in 4k requests + 4k aligned
543 		 */
544 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2CT*", "*" },
545 		/*quirks*/ADA_Q_4K
546 	},
547 	{
548 		/*
549 		 * Intel 510 Series SSDs
550 		 * 4k optimised & trim only works in 4k requests + 4k aligned
551 		 */
552 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2MH*", "*" },
553 		/*quirks*/ADA_Q_4K
554 	},
555 	{
556 		/*
557 		 * Intel 520 Series SSDs
558 		 * 4k optimised & trim only works in 4k requests + 4k aligned
559 		 */
560 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2BW*", "*" },
561 		/*quirks*/ADA_Q_4K
562 	},
563 	{
564 		/*
565 		 * Intel S3610 Series SSDs
566 		 * 4k optimised & trim only works in 4k requests + 4k aligned
567 		 */
568 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2BX*", "*" },
569 		/*quirks*/ADA_Q_4K
570 	},
571 	{
572 		/*
573 		 * Intel X25-M Series SSDs
574 		 * 4k optimised & trim only works in 4k requests + 4k aligned
575 		 */
576 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2M*", "*" },
577 		/*quirks*/ADA_Q_4K
578 	},
579 	{
580 		/*
581 		 * KingDian S200 60GB P0921B
582 		 * Trimming crash the SSD
583 		 */
584 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "KingDian S200 *", "*" },
585 		/*quirks*/ADA_Q_NO_TRIM
586 	},
587 	{
588 		/*
589 		 * Kingston E100 Series SSDs
590 		 * 4k optimised & trim only works in 4k requests + 4k aligned
591 		 */
592 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SE100S3*", "*" },
593 		/*quirks*/ADA_Q_4K
594 	},
595 	{
596 		/*
597 		 * Kingston HyperX 3k SSDs
598 		 * 4k optimised & trim only works in 4k requests + 4k aligned
599 		 */
600 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SH103S3*", "*" },
601 		/*quirks*/ADA_Q_4K
602 	},
603 	{
604 		/*
605 		 * Marvell SSDs (entry taken from OpenSolaris)
606 		 * 4k optimised & trim only works in 4k requests + 4k aligned
607 		 */
608 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "MARVELL SD88SA02*", "*" },
609 		/*quirks*/ADA_Q_4K
610 	},
611 	{
612 		/*
613 		 * Micron M500 SSDs firmware MU07
614 		 * NCQ Trim works?
615 		 */
616 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Micron M500*", "MU07" },
617 		/*quirks*/0
618 	},
619 	{
620 		/*
621 		 * Micron M500 SSDs all other firmware
622 		 * NCQ Trim doesn't work
623 		 */
624 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Micron M500*", "*" },
625 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
626 	},
627 	{
628 		/*
629 		 * Micron M5[15]0 SSDs
630 		 * NCQ Trim doesn't work, but only MU01 firmware
631 		 */
632 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Micron M5[15]0*", "MU01" },
633 		/*quirks*/ADA_Q_NCQ_TRIM_BROKEN
634 	},
635 	{
636 		/*
637 		 * Micron 5100 SSDs
638 		 * 4k optimised & trim only works in 4k requests + 4k aligned
639 		 */
640 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Micron 5100 MTFDDAK*", "*" },
641 		/*quirks*/ADA_Q_4K
642 	},
643 	{
644 		/*
645 		 * OCZ Agility 2 SSDs
646 		 * 4k optimised & trim only works in 4k requests + 4k aligned
647 		 */
648 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" },
649 		/*quirks*/ADA_Q_4K
650 	},
651 	{
652 		/*
653 		 * OCZ Agility 3 SSDs
654 		 * 4k optimised & trim only works in 4k requests + 4k aligned
655 		 */
656 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY3*", "*" },
657 		/*quirks*/ADA_Q_4K
658 	},
659 	{
660 		/*
661 		 * OCZ Deneva R Series SSDs
662 		 * 4k optimised & trim only works in 4k requests + 4k aligned
663 		 */
664 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "DENRSTE251M45*", "*" },
665 		/*quirks*/ADA_Q_4K
666 	},
667 	{
668 		/*
669 		 * OCZ Vertex 2 SSDs (inc pro series)
670 		 * 4k optimised & trim only works in 4k requests + 4k aligned
671 		 */
672 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ?VERTEX2*", "*" },
673 		/*quirks*/ADA_Q_4K
674 	},
675 	{
676 		/*
677 		 * OCZ Vertex 3 SSDs
678 		 * 4k optimised & trim only works in 4k requests + 4k aligned
679 		 */
680 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX3*", "*" },
681 		/*quirks*/ADA_Q_4K
682 	},
683 	{
684 		/*
685 		 * OCZ Vertex 4 SSDs
686 		 * 4k optimised & trim only works in 4k requests + 4k aligned
687 		 */
688 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX4*", "*" },
689 		/*quirks*/ADA_Q_4K
690 	},
691 	{
692 		/*
693 		 * Samsung 750 SSDs
694 		 * 4k optimised, NCQ TRIM seems to work
695 		 */
696 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 750*", "*" },
697 		/*quirks*/ADA_Q_4K
698 	},
699 	{
700 		/*
701 		 * Samsung 830 Series SSDs
702 		 * 4k optimised, NCQ TRIM Broken (normal TRIM is fine)
703 		 */
704 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG SSD 830 Series*", "*" },
705 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
706 	},
707 	{
708 		/*
709 		 * Samsung 840 SSDs
710 		 * 4k optimised, NCQ TRIM Broken (normal TRIM is fine)
711 		 */
712 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 840*", "*" },
713 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
714 	},
715 	{
716 		/*
717 		 * Samsung 845 SSDs
718 		 * 4k optimised, NCQ TRIM Broken (normal TRIM is fine)
719 		 */
720 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 845*", "*" },
721 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
722 	},
723 	{
724 		/*
725 		 * Samsung 850 SSDs
726 		 * 4k optimised, NCQ TRIM broken (normal TRIM fine)
727 		 */
728 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 850*", "*" },
729 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
730 	},
731 	{
732 		/*
733 		 * Samsung SM863 Series SSDs (MZ7KM*)
734 		 * 4k optimised, NCQ believed to be working
735 		 */
736 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG MZ7KM*", "*" },
737 		/*quirks*/ADA_Q_4K
738 	},
739 	{
740 		/*
741 		 * Samsung 843T Series SSDs (MZ7WD*)
742 		 * Samsung PM851 Series SSDs (MZ7TE*)
743 		 * Samsung PM853T Series SSDs (MZ7GE*)
744 		 * 4k optimised, NCQ believed to be broken since these are
745 		 * appear to be built with the same controllers as the 840/850.
746 		 */
747 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG MZ7*", "*" },
748 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
749 	},
750 	{
751 		/*
752 		 * Same as for SAMSUNG MZ7* but enable the quirks for SSD
753 		 * starting with MZ7* too
754 		 */
755 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "MZ7*", "*" },
756 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
757 	},
758 	{
759 		/*
760 		 * Samsung PM851 Series SSDs Dell OEM
761 		 * device model          "SAMSUNG SSD PM851 mSATA 256GB"
762 		 * 4k optimised, NCQ broken
763 		 */
764 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG SSD PM851*", "*" },
765 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
766 	},
767 	{
768 		/*
769 		 * SuperTalent TeraDrive CT SSDs
770 		 * 4k optimised & trim only works in 4k requests + 4k aligned
771 		 */
772 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "FTM??CT25H*", "*" },
773 		/*quirks*/ADA_Q_4K
774 	},
775 	{
776 		/*
777 		 * XceedIOPS SATA SSDs
778 		 * 4k optimised
779 		 */
780 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SG9XCS2D*", "*" },
781 		/*quirks*/ADA_Q_4K
782 	},
783 	{
784 		/*
785 		 * Samsung drive that doesn't support READ LOG EXT or
786 		 * READ LOG DMA EXT, despite reporting that it does in
787 		 * ATA identify data:
788 		 * SAMSUNG HD200HJ KF100-06
789 		 */
790 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD200*", "*" },
791 		/*quirks*/ADA_Q_LOG_BROKEN
792 	},
793 	{
794 		/*
795 		 * Samsung drive that doesn't support READ LOG EXT or
796 		 * READ LOG DMA EXT, despite reporting that it does in
797 		 * ATA identify data:
798 		 * SAMSUNG HD501LJ CR100-10
799 		 */
800 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD501*", "*" },
801 		/*quirks*/ADA_Q_LOG_BROKEN
802 	},
803 	{
804 		/*
805 		 * Seagate Lamarr 8TB Shingled Magnetic Recording (SMR)
806 		 * Drive Managed SATA hard drive.  This drive doesn't report
807 		 * in firmware that it is a drive managed SMR drive.
808 		 */
809 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "ST8000AS000[23]*", "*" },
810 		/*quirks*/ADA_Q_SMR_DM
811 	},
812 	{
813 		/* WD Green SSD */
814 		{ T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WDS?????G0*", "*" },
815 		/*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN
816 	},
817 	{
818 		/* Default */
819 		{
820 		  T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED,
821 		  /*vendor*/"*", /*product*/"*", /*revision*/"*"
822 		},
823 		/*quirks*/0
824 	},
825 };
826 
827 static	disk_strategy_t	adastrategy;
828 static	dumper_t	adadump;
829 static	periph_init_t	adainit;
830 static	void		adadiskgonecb(struct disk *dp);
831 static	periph_oninv_t	adaoninvalidate;
832 static	periph_dtor_t	adacleanup;
833 static	void		adaasync(void *callback_arg, uint32_t code,
834 				struct cam_path *path, void *arg);
835 static	int		adabitsysctl(SYSCTL_HANDLER_ARGS);
836 static	int		adaflagssysctl(SYSCTL_HANDLER_ARGS);
837 static	int		adazonesupsysctl(SYSCTL_HANDLER_ARGS);
838 static	void		adasysctlinit(void *context, int pending);
839 static	int		adagetattr(struct bio *bp);
840 static	void		adasetflags(struct ada_softc *softc,
841 				    struct ccb_getdev *cgd);
842 static void		adasetgeom(struct ada_softc *softc,
843 				   struct ccb_getdev *cgd);
844 static	periph_ctor_t	adaregister;
845 static	void		ada_dsmtrim(struct ada_softc *softc, struct bio *bp,
846 				    struct ccb_ataio *ataio);
847 static	void 		ada_cfaerase(struct ada_softc *softc, struct bio *bp,
848 				     struct ccb_ataio *ataio);
849 static	int		ada_zone_bio_to_ata(int disk_zone_cmd);
850 static	int		ada_zone_cmd(struct cam_periph *periph, union ccb *ccb,
851 				     struct bio *bp, int *queue_ccb);
852 static	periph_start_t	adastart;
853 static	void		adaprobedone(struct cam_periph *periph, union ccb *ccb);
854 static	void		adazonedone(struct cam_periph *periph, union ccb *ccb);
855 static	void		adadone(struct cam_periph *periph,
856 			       union ccb *done_ccb);
857 static  int		adaerror(union ccb *ccb, uint32_t cam_flags,
858 				uint32_t sense_flags);
859 static callout_func_t	adasendorderedtag;
860 static void		adashutdown(void *arg, int howto);
861 static void		adasuspend(void *arg);
862 static void		adaresume(void *arg);
863 
864 #ifndef ADA_DEFAULT_TIMEOUT
865 #define ADA_DEFAULT_TIMEOUT 30	/* Timeout in seconds */
866 #endif
867 
868 #ifndef	ADA_DEFAULT_RETRY
869 #define	ADA_DEFAULT_RETRY	4
870 #endif
871 
872 #ifndef	ADA_DEFAULT_SEND_ORDERED
873 #define	ADA_DEFAULT_SEND_ORDERED	1
874 #endif
875 
876 #ifndef	ADA_DEFAULT_SPINDOWN_SHUTDOWN
877 #define	ADA_DEFAULT_SPINDOWN_SHUTDOWN	1
878 #endif
879 
880 #ifndef	ADA_DEFAULT_SPINDOWN_SUSPEND
881 #define	ADA_DEFAULT_SPINDOWN_SUSPEND	1
882 #endif
883 
884 #ifndef	ADA_DEFAULT_READ_AHEAD
885 #define	ADA_DEFAULT_READ_AHEAD	1
886 #endif
887 
888 #ifndef	ADA_DEFAULT_WRITE_CACHE
889 #define	ADA_DEFAULT_WRITE_CACHE	1
890 #endif
891 
892 #define	ADA_RA	(softc->read_ahead >= 0 ? \
893 		 softc->read_ahead : ada_read_ahead)
894 #define	ADA_WC	(softc->write_cache >= 0 ? \
895 		 softc->write_cache : ada_write_cache)
896 
897 static int ada_retry_count = ADA_DEFAULT_RETRY;
898 static int ada_default_timeout = ADA_DEFAULT_TIMEOUT;
899 static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED;
900 static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN;
901 static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND;
902 static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD;
903 static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE;
904 static int ada_enable_biospeedup = 1;
905 static int ada_enable_uma_ccbs = 1;
906 
907 static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
908     "CAM Direct Access Disk driver");
909 SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RWTUN,
910            &ada_retry_count, 0, "Normal I/O retry count");
911 SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RWTUN,
912            &ada_default_timeout, 0, "Normal I/O timeout (in seconds)");
913 SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RWTUN,
914            &ada_send_ordered, 0, "Send Ordered Tags");
915 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RWTUN,
916            &ada_spindown_shutdown, 0, "Spin down upon shutdown");
917 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RWTUN,
918            &ada_spindown_suspend, 0, "Spin down upon suspend");
919 SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RWTUN,
920            &ada_read_ahead, 0, "Enable disk read-ahead");
921 SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RWTUN,
922            &ada_write_cache, 0, "Enable disk write cache");
923 SYSCTL_INT(_kern_cam_ada, OID_AUTO, enable_biospeedup, CTLFLAG_RDTUN,
924 	   &ada_enable_biospeedup, 0, "Enable BIO_SPEEDUP processing");
925 SYSCTL_INT(_kern_cam_ada, OID_AUTO, enable_uma_ccbs, CTLFLAG_RWTUN,
926 	    &ada_enable_uma_ccbs, 0, "Use UMA for CCBs");
927 
928 /*
929  * ADA_ORDEREDTAG_INTERVAL determines how often, relative
930  * to the default timeout, we check to see whether an ordered
931  * tagged transaction is appropriate to prevent simple tag
932  * starvation.  Since we'd like to ensure that there is at least
933  * 1/2 of the timeout length left for a starved transaction to
934  * complete after we've sent an ordered tag, we must poll at least
935  * four times in every timeout period.  This takes care of the worst
936  * case where a starved transaction starts during an interval that
937  * meets the requirement "don't send an ordered tag" test so it takes
938  * us two intervals to determine that a tag must be sent.
939  */
940 #ifndef ADA_ORDEREDTAG_INTERVAL
941 #define ADA_ORDEREDTAG_INTERVAL 4
942 #endif
943 
944 static struct periph_driver adadriver =
945 {
946 	adainit, "ada",
947 	TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0
948 };
949 
950 static int adadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
951 
952 PERIPHDRIVER_DECLARE(ada, adadriver);
953 
954 static MALLOC_DEFINE(M_ATADA, "ata_da", "ata_da buffers");
955 
956 static int
957 adaopen(struct disk *dp)
958 {
959 	struct cam_periph *periph;
960 	struct ada_softc *softc;
961 	int error;
962 
963 	periph = (struct cam_periph *)dp->d_drv1;
964 	if (cam_periph_acquire(periph) != 0) {
965 		return(ENXIO);
966 	}
967 
968 	cam_periph_lock(periph);
969 	if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) {
970 		cam_periph_unlock(periph);
971 		cam_periph_release(periph);
972 		return (error);
973 	}
974 
975 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
976 	    ("adaopen\n"));
977 
978 	softc = (struct ada_softc *)periph->softc;
979 	softc->flags |= ADA_FLAG_OPEN;
980 
981 	cam_periph_unhold(periph);
982 	cam_periph_unlock(periph);
983 	return (0);
984 }
985 
986 static int
987 adaclose(struct disk *dp)
988 {
989 	struct	cam_periph *periph;
990 	struct	ada_softc *softc;
991 	union ccb *ccb;
992 	int error;
993 
994 	periph = (struct cam_periph *)dp->d_drv1;
995 	softc = (struct ada_softc *)periph->softc;
996 	cam_periph_lock(periph);
997 
998 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
999 	    ("adaclose\n"));
1000 
1001 	/* We only sync the cache if the drive is capable of it. */
1002 	if ((softc->flags & ADA_FLAG_DIRTY) != 0 &&
1003 	    (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 &&
1004 	    (periph->flags & CAM_PERIPH_INVALID) == 0 &&
1005 	    cam_periph_hold(periph, PRIBIO) == 0) {
1006 		ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1007 		cam_fill_ataio(&ccb->ataio,
1008 				    1,
1009 				    NULL,
1010 				    CAM_DIR_NONE,
1011 				    0,
1012 				    NULL,
1013 				    0,
1014 				    ada_default_timeout*1000);
1015 
1016 		if (softc->flags & ADA_FLAG_CAN_48BIT)
1017 			ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0);
1018 		else
1019 			ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0);
1020 		error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0,
1021 		    /*sense_flags*/0, softc->disk->d_devstat);
1022 
1023 		if (error != 0)
1024 			xpt_print(periph->path, "Synchronize cache failed\n");
1025 		softc->flags &= ~ADA_FLAG_DIRTY;
1026 		xpt_release_ccb(ccb);
1027 		cam_periph_unhold(periph);
1028 	}
1029 
1030 	softc->flags &= ~ADA_FLAG_OPEN;
1031 
1032 	while (softc->refcount != 0)
1033 		cam_periph_sleep(periph, &softc->refcount, PRIBIO, "adaclose", 1);
1034 	cam_periph_unlock(periph);
1035 	cam_periph_release(periph);
1036 	return (0);
1037 }
1038 
1039 static void
1040 adaschedule(struct cam_periph *periph)
1041 {
1042 	struct ada_softc *softc = (struct ada_softc *)periph->softc;
1043 
1044 	if (softc->state != ADA_STATE_NORMAL)
1045 		return;
1046 
1047 	cam_iosched_schedule(softc->cam_iosched, periph);
1048 }
1049 
1050 /*
1051  * Actually translate the requested transfer into one the physical driver
1052  * can understand.  The transfer is described by a buf and will include
1053  * only one physical transfer.
1054  */
1055 static void
1056 adastrategy(struct bio *bp)
1057 {
1058 	struct cam_periph *periph;
1059 	struct ada_softc *softc;
1060 
1061 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1062 	softc = (struct ada_softc *)periph->softc;
1063 
1064 	cam_periph_lock(periph);
1065 
1066 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp));
1067 
1068 	/*
1069 	 * If the device has been made invalid, error out
1070 	 */
1071 	if ((periph->flags & CAM_PERIPH_INVALID) != 0) {
1072 		cam_periph_unlock(periph);
1073 		biofinish(bp, NULL, ENXIO);
1074 		return;
1075 	}
1076 
1077 	/*
1078 	 * Zone commands must be ordered, because they can depend on the
1079 	 * effects of previously issued commands, and they may affect
1080 	 * commands after them.
1081 	 */
1082 	if (bp->bio_cmd == BIO_ZONE)
1083 		bp->bio_flags |= BIO_ORDERED;
1084 
1085 	/*
1086 	 * Place it in the queue of disk activities for this disk
1087 	 */
1088 	cam_iosched_queue_work(softc->cam_iosched, bp);
1089 
1090 	/*
1091 	 * Schedule ourselves for performing the work.
1092 	 */
1093 	adaschedule(periph);
1094 	cam_periph_unlock(periph);
1095 
1096 	return;
1097 }
1098 
1099 static int
1100 adadump(void *arg, void *virtual, off_t offset, size_t length)
1101 {
1102 	struct	    cam_periph *periph;
1103 	struct	    ada_softc *softc;
1104 	u_int	    secsize;
1105 	struct	    ccb_ataio ataio;
1106 	struct	    disk *dp;
1107 	uint64_t    lba;
1108 	uint16_t    count;
1109 	int	    error = 0;
1110 
1111 	dp = arg;
1112 	periph = dp->d_drv1;
1113 	softc = (struct ada_softc *)periph->softc;
1114 	secsize = softc->params.secsize;
1115 	lba = offset / secsize;
1116 	count = length / secsize;
1117 	if ((periph->flags & CAM_PERIPH_INVALID) != 0)
1118 		return (ENXIO);
1119 
1120 	memset(&ataio, 0, sizeof(ataio));
1121 	if (length > 0) {
1122 		xpt_setup_ccb(&ataio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1123 		ataio.ccb_h.ccb_state = ADA_CCB_DUMP;
1124 		cam_fill_ataio(&ataio,
1125 		    0,
1126 		    NULL,
1127 		    CAM_DIR_OUT,
1128 		    0,
1129 		    (uint8_t *) virtual,
1130 		    length,
1131 		    ada_default_timeout*1000);
1132 		if ((softc->flags & ADA_FLAG_CAN_48BIT) &&
1133 		    (lba + count >= ATA_MAX_28BIT_LBA ||
1134 		    count >= 256)) {
1135 			ata_48bit_cmd(&ataio, ATA_WRITE_DMA48,
1136 			    0, lba, count);
1137 		} else {
1138 			ata_28bit_cmd(&ataio, ATA_WRITE_DMA,
1139 			    0, lba, count);
1140 		}
1141 		error = cam_periph_runccb((union ccb *)&ataio, adaerror,
1142 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1143 		if (error != 0)
1144 			printf("Aborting dump due to I/O error.\n");
1145 
1146 		return (error);
1147 	}
1148 
1149 	if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) {
1150 		xpt_setup_ccb(&ataio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1151 
1152 		/*
1153 		 * Tell the drive to flush its internal cache. if we
1154 		 * can't flush in 5s we have big problems. No need to
1155 		 * wait the default 60s to detect problems.
1156 		 */
1157 		ataio.ccb_h.ccb_state = ADA_CCB_DUMP;
1158 		cam_fill_ataio(&ataio,
1159 				    0,
1160 				    NULL,
1161 				    CAM_DIR_NONE,
1162 				    0,
1163 				    NULL,
1164 				    0,
1165 				    5*1000);
1166 
1167 		if (softc->flags & ADA_FLAG_CAN_48BIT)
1168 			ata_48bit_cmd(&ataio, ATA_FLUSHCACHE48, 0, 0, 0);
1169 		else
1170 			ata_28bit_cmd(&ataio, ATA_FLUSHCACHE, 0, 0, 0);
1171 		error = cam_periph_runccb((union ccb *)&ataio, adaerror,
1172 		    0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1173 		if (error != 0)
1174 			xpt_print(periph->path, "Synchronize cache failed\n");
1175 	}
1176 	return (error);
1177 }
1178 
1179 static void
1180 adainit(void)
1181 {
1182 	cam_status status;
1183 
1184 	ada_ccb_zone = uma_zcreate("ada_ccb",
1185 	    sizeof(struct ccb_ataio), NULL, NULL, NULL, NULL,
1186 	    UMA_ALIGN_PTR, 0);
1187 
1188 	/*
1189 	 * Install a global async callback.  This callback will
1190 	 * receive async callbacks like "new device found".
1191 	 */
1192 	status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL);
1193 
1194 	if (status != CAM_REQ_CMP) {
1195 		printf("ada: Failed to attach master async callback "
1196 		       "due to status 0x%x!\n", status);
1197 	} else if (ada_send_ordered) {
1198 		/* Register our event handlers */
1199 		if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend,
1200 					   NULL, EVENTHANDLER_PRI_LAST)) == NULL)
1201 		    printf("adainit: power event registration failed!\n");
1202 		if ((EVENTHANDLER_REGISTER(power_resume, adaresume,
1203 					   NULL, EVENTHANDLER_PRI_LAST)) == NULL)
1204 		    printf("adainit: power event registration failed!\n");
1205 		if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown,
1206 					   NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1207 		    printf("adainit: shutdown event registration failed!\n");
1208 	}
1209 }
1210 
1211 /*
1212  * Callback from GEOM, called when it has finished cleaning up its
1213  * resources.
1214  */
1215 static void
1216 adadiskgonecb(struct disk *dp)
1217 {
1218 	struct cam_periph *periph;
1219 
1220 	periph = (struct cam_periph *)dp->d_drv1;
1221 
1222 	cam_periph_release(periph);
1223 }
1224 
1225 static void
1226 adaoninvalidate(struct cam_periph *periph)
1227 {
1228 	struct ada_softc *softc;
1229 
1230 	softc = (struct ada_softc *)periph->softc;
1231 
1232 	/*
1233 	 * De-register any async callbacks.
1234 	 */
1235 	xpt_register_async(0, adaasync, periph, periph->path);
1236 #ifdef CAM_IO_STATS
1237 	softc->invalidations++;
1238 #endif
1239 
1240 	/*
1241 	 * Return all queued I/O with ENXIO. Transactions may be queued up here
1242 	 * for retry (since we are called while there's other transactions
1243 	 * pending). Any requests in the hardware will drain before ndacleanup
1244 	 * is called.
1245 	 */
1246 	cam_iosched_flush(softc->cam_iosched, NULL, ENXIO);
1247 
1248 	/*
1249 	 * Tell GEOM that we've gone away, we'll get a callback when it is
1250 	 * done cleaning up its resources.
1251 	 */
1252 	disk_gone(softc->disk);
1253 }
1254 
1255 static void
1256 adacleanup(struct cam_periph *periph)
1257 {
1258 	struct ada_softc *softc;
1259 
1260 	softc = (struct ada_softc *)periph->softc;
1261 
1262 	cam_periph_unlock(periph);
1263 
1264 	cam_iosched_fini(softc->cam_iosched);
1265 
1266 	/*
1267 	 * If we can't free the sysctl tree, oh well...
1268 	 */
1269 	if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0) {
1270 #ifdef CAM_IO_STATS
1271 		if (sysctl_ctx_free(&softc->sysctl_stats_ctx) != 0)
1272 			xpt_print(periph->path,
1273 			    "can't remove sysctl stats context\n");
1274 #endif
1275 		if (sysctl_ctx_free(&softc->sysctl_ctx) != 0)
1276 			xpt_print(periph->path,
1277 			    "can't remove sysctl context\n");
1278 	}
1279 
1280 	disk_destroy(softc->disk);
1281 	callout_drain(&softc->sendordered_c);
1282 	free(softc, M_DEVBUF);
1283 	cam_periph_lock(periph);
1284 }
1285 
1286 static void
1287 adasetdeletemethod(struct ada_softc *softc)
1288 {
1289 
1290 	if (softc->flags & ADA_FLAG_CAN_NCQ_TRIM)
1291 		softc->delete_method = ADA_DELETE_NCQ_DSM_TRIM;
1292 	else if (softc->flags & ADA_FLAG_CAN_TRIM)
1293 		softc->delete_method = ADA_DELETE_DSM_TRIM;
1294 	else if ((softc->flags & ADA_FLAG_CAN_CFA) && !(softc->flags & ADA_FLAG_CAN_48BIT))
1295 		softc->delete_method = ADA_DELETE_CFA_ERASE;
1296 	else
1297 		softc->delete_method = ADA_DELETE_NONE;
1298 }
1299 
1300 static void
1301 adaasync(void *callback_arg, uint32_t code,
1302 	struct cam_path *path, void *arg)
1303 {
1304 	struct ccb_getdev cgd;
1305 	struct cam_periph *periph;
1306 	struct ada_softc *softc;
1307 
1308 	periph = (struct cam_periph *)callback_arg;
1309 	switch (code) {
1310 	case AC_FOUND_DEVICE:
1311 	{
1312 		struct ccb_getdev *cgd;
1313 		cam_status status;
1314 
1315 		cgd = (struct ccb_getdev *)arg;
1316 		if (cgd == NULL)
1317 			break;
1318 
1319 		if (cgd->protocol != PROTO_ATA)
1320 			break;
1321 
1322 		/*
1323 		 * Allocate a peripheral instance for
1324 		 * this device and start the probe
1325 		 * process.
1326 		 */
1327 		status = cam_periph_alloc(adaregister, adaoninvalidate,
1328 					  adacleanup, adastart,
1329 					  "ada", CAM_PERIPH_BIO,
1330 					  path, adaasync,
1331 					  AC_FOUND_DEVICE, cgd);
1332 
1333 		if (status != CAM_REQ_CMP
1334 		 && status != CAM_REQ_INPROG)
1335 			printf("adaasync: Unable to attach to new device "
1336 				"due to status 0x%x\n", status);
1337 		break;
1338 	}
1339 	case AC_GETDEV_CHANGED:
1340 	{
1341 		softc = (struct ada_softc *)periph->softc;
1342 		memset(&cgd, 0, sizeof(cgd));
1343 		xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1344 		cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1345 		xpt_action((union ccb *)&cgd);
1346 
1347 		/*
1348 		 * Update our information based on the new Identify data.
1349 		 */
1350 		adasetflags(softc, &cgd);
1351 		adasetgeom(softc, &cgd);
1352 		disk_resize(softc->disk, M_NOWAIT);
1353 		break;
1354 	}
1355 	case AC_ADVINFO_CHANGED:
1356 	{
1357 		uintptr_t buftype;
1358 
1359 		buftype = (uintptr_t)arg;
1360 		if (buftype == CDAI_TYPE_PHYS_PATH) {
1361 			struct ada_softc *softc;
1362 
1363 			softc = periph->softc;
1364 			disk_attr_changed(softc->disk, "GEOM::physpath",
1365 					  M_NOWAIT);
1366 		}
1367 		break;
1368 	}
1369 	case AC_SENT_BDR:
1370 	case AC_BUS_RESET:
1371 	{
1372 		softc = (struct ada_softc *)periph->softc;
1373 		if (softc->state != ADA_STATE_NORMAL)
1374 			break;
1375 		if (ADA_RA >= 0 && softc->flags & ADA_FLAG_CAN_RAHEAD)
1376 			softc->state = ADA_STATE_RAHEAD;
1377 		else if (ADA_WC >= 0 && softc->flags & ADA_FLAG_CAN_WCACHE)
1378 			softc->state = ADA_STATE_WCACHE;
1379 		else if ((softc->flags & ADA_FLAG_CAN_LOG)
1380 		      && (softc->zone_mode != ADA_ZONE_NONE))
1381 			softc->state = ADA_STATE_LOGDIR;
1382 		else
1383 			break;
1384 		if (cam_periph_acquire(periph) != 0)
1385 			softc->state = ADA_STATE_NORMAL;
1386 		else
1387 			xpt_schedule(periph, CAM_PRIORITY_DEV);
1388 		break;
1389 	}
1390 	default:
1391 		break;
1392 	}
1393 	cam_periph_async(periph, code, path, arg);
1394 }
1395 
1396 static int
1397 adazonemodesysctl(SYSCTL_HANDLER_ARGS)
1398 {
1399 	char tmpbuf[40];
1400 	struct ada_softc *softc;
1401 	int error;
1402 
1403 	softc = (struct ada_softc *)arg1;
1404 
1405 	switch (softc->zone_mode) {
1406 	case ADA_ZONE_DRIVE_MANAGED:
1407 		snprintf(tmpbuf, sizeof(tmpbuf), "Drive Managed");
1408 		break;
1409 	case ADA_ZONE_HOST_AWARE:
1410 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Aware");
1411 		break;
1412 	case ADA_ZONE_HOST_MANAGED:
1413 		snprintf(tmpbuf, sizeof(tmpbuf), "Host Managed");
1414 		break;
1415 	case ADA_ZONE_NONE:
1416 	default:
1417 		snprintf(tmpbuf, sizeof(tmpbuf), "Not Zoned");
1418 		break;
1419 	}
1420 
1421 	error = sysctl_handle_string(oidp, tmpbuf, sizeof(tmpbuf), req);
1422 
1423 	return (error);
1424 }
1425 
1426 static int
1427 adazonesupsysctl(SYSCTL_HANDLER_ARGS)
1428 {
1429 	char tmpbuf[180];
1430 	struct ada_softc *softc;
1431 	struct sbuf sb;
1432 	int error, first;
1433 	unsigned int i;
1434 
1435 	softc = (struct ada_softc *)arg1;
1436 
1437 	error = 0;
1438 	first = 1;
1439 	sbuf_new(&sb, tmpbuf, sizeof(tmpbuf), 0);
1440 
1441 	for (i = 0; i < sizeof(ada_zone_desc_table) /
1442 	     sizeof(ada_zone_desc_table[0]); i++) {
1443 		if (softc->zone_flags & ada_zone_desc_table[i].value) {
1444 			if (first == 0)
1445 				sbuf_printf(&sb, ", ");
1446 			else
1447 				first = 0;
1448 			sbuf_cat(&sb, ada_zone_desc_table[i].desc);
1449 		}
1450 	}
1451 
1452 	if (first == 1)
1453 		sbuf_printf(&sb, "None");
1454 
1455 	sbuf_finish(&sb);
1456 
1457 	error = sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
1458 
1459 	return (error);
1460 }
1461 
1462 static void
1463 adasysctlinit(void *context, int pending)
1464 {
1465 	struct cam_periph *periph;
1466 	struct ada_softc *softc;
1467 	char tmpstr[32], tmpstr2[16];
1468 
1469 	periph = (struct cam_periph *)context;
1470 
1471 	/* periph was held for us when this task was enqueued */
1472 	if ((periph->flags & CAM_PERIPH_INVALID) != 0) {
1473 		cam_periph_release(periph);
1474 		return;
1475 	}
1476 
1477 	softc = (struct ada_softc *)periph->softc;
1478 	snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d",periph->unit_number);
1479 	snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1480 
1481 	sysctl_ctx_init(&softc->sysctl_ctx);
1482 	softc->flags |= ADA_FLAG_SCTX_INIT;
1483 	softc->sysctl_tree = SYSCTL_ADD_NODE_WITH_LABEL(&softc->sysctl_ctx,
1484 		SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2,
1485 		CTLFLAG_RD | CTLFLAG_MPSAFE, 0, tmpstr, "device_index");
1486 	if (softc->sysctl_tree == NULL) {
1487 		printf("adasysctlinit: unable to allocate sysctl tree\n");
1488 		cam_periph_release(periph);
1489 		return;
1490 	}
1491 
1492 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1493 		OID_AUTO, "delete_method",
1494 		CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_MPSAFE,
1495 		softc, 0, adadeletemethodsysctl, "A",
1496 		"BIO_DELETE execution method");
1497 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1498 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1499 		"trim_count", CTLFLAG_RD, &softc->trim_count,
1500 		"Total number of dsm commands sent");
1501 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1502 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1503 		"trim_ranges", CTLFLAG_RD, &softc->trim_ranges,
1504 		"Total number of ranges in dsm commands");
1505 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1506 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1507 		"trim_lbas", CTLFLAG_RD, &softc->trim_lbas,
1508 		"Total lbas in the dsm commands sent");
1509 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1510 		OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE,
1511 		&softc->read_ahead, 0, "Enable disk read ahead.");
1512 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1513 		OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE,
1514 		&softc->write_cache, 0, "Enable disk write cache.");
1515 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1516 		OID_AUTO, "zone_mode",
1517 		CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
1518 		softc, 0, adazonemodesysctl, "A",
1519 		"Zone Mode");
1520 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1521 		OID_AUTO, "zone_support",
1522 		CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
1523 		softc, 0, adazonesupsysctl, "A",
1524 		"Zone Support");
1525 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1526 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1527 		"optimal_seq_zones", CTLFLAG_RD, &softc->optimal_seq_zones,
1528 		"Optimal Number of Open Sequential Write Preferred Zones");
1529 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1530 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1531 		"optimal_nonseq_zones", CTLFLAG_RD,
1532 		&softc->optimal_nonseq_zones,
1533 		"Optimal Number of Non-Sequentially Written Sequential Write "
1534 		"Preferred Zones");
1535 	SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1536 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1537 		"max_seq_zones", CTLFLAG_RD, &softc->max_seq_zones,
1538 		"Maximum Number of Open Sequential Write Required Zones");
1539 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1540 	    OID_AUTO, "flags", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
1541 	    softc, 0, adaflagssysctl, "A",
1542 	    "Flags for drive");
1543 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1544 	    OID_AUTO, "unmapped_io", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE,
1545 	    &softc->flags, (u_int)ADA_FLAG_UNMAPPEDIO, adabitsysctl, "I",
1546 	    "Unmapped I/O support *DEPRECATED* gone in FreeBSD 14");
1547 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1548 	    OID_AUTO, "rotating", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE,
1549 	    &softc->flags, (u_int)ADA_FLAG_ROTATING, adabitsysctl, "I",
1550 	    "Rotating media *DEPRECATED* gone in FreeBSD 14");
1551 
1552 #ifdef CAM_TEST_FAILURE
1553 	/*
1554 	 * Add a 'door bell' sysctl which allows one to set it from userland
1555 	 * and cause something bad to happen.  For the moment, we only allow
1556 	 * whacking the next read or write.
1557 	 */
1558 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1559 		OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE,
1560 		&softc->force_read_error, 0,
1561 		"Force a read error for the next N reads.");
1562 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1563 		OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE,
1564 		&softc->force_write_error, 0,
1565 		"Force a write error for the next N writes.");
1566 	SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1567 		OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE,
1568 		&softc->periodic_read_error, 0,
1569 		"Force a read error every N reads (don't set too low).");
1570 	SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1571 		OID_AUTO, "invalidate", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE,
1572 		periph, 0, cam_periph_invalidate_sysctl, "I",
1573 		"Write 1 to invalidate the drive immediately");
1574 #endif
1575 
1576 #ifdef CAM_IO_STATS
1577 	softc->sysctl_stats_tree = SYSCTL_ADD_NODE(&softc->sysctl_stats_ctx,
1578 		SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "stats",
1579 		CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Statistics");
1580 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
1581 		SYSCTL_CHILDREN(softc->sysctl_stats_tree),
1582 		OID_AUTO, "timeouts", CTLFLAG_RD | CTLFLAG_MPSAFE,
1583 		&softc->timeouts, 0,
1584 		"Device timeouts reported by the SIM");
1585 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
1586 		SYSCTL_CHILDREN(softc->sysctl_stats_tree),
1587 		OID_AUTO, "errors", CTLFLAG_RD | CTLFLAG_MPSAFE,
1588 		&softc->errors, 0,
1589 		"Transport errors reported by the SIM.");
1590 	SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
1591 		SYSCTL_CHILDREN(softc->sysctl_stats_tree),
1592 		OID_AUTO, "pack_invalidations", CTLFLAG_RD | CTLFLAG_MPSAFE,
1593 		&softc->invalidations, 0,
1594 		"Device pack invalidations.");
1595 #endif
1596 
1597 	cam_iosched_sysctl_init(softc->cam_iosched, &softc->sysctl_ctx,
1598 	    softc->sysctl_tree);
1599 
1600 	cam_periph_release(periph);
1601 }
1602 
1603 static int
1604 adagetattr(struct bio *bp)
1605 {
1606 	int ret;
1607 	struct cam_periph *periph;
1608 
1609 	if (g_handleattr_int(bp, "GEOM::canspeedup", ada_enable_biospeedup))
1610 		return (EJUSTRETURN);
1611 
1612 	periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1613 	cam_periph_lock(periph);
1614 	ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1615 	    periph->path);
1616 	cam_periph_unlock(periph);
1617 	if (ret == 0)
1618 		bp->bio_completed = bp->bio_length;
1619 	return ret;
1620 }
1621 
1622 static int
1623 adadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
1624 {
1625 	char buf[16];
1626 	const char *p;
1627 	struct ada_softc *softc;
1628 	int i, error, value, methods;
1629 
1630 	softc = (struct ada_softc *)arg1;
1631 
1632 	value = softc->delete_method;
1633 	if (value < 0 || value > ADA_DELETE_MAX)
1634 		p = "UNKNOWN";
1635 	else
1636 		p = ada_delete_method_names[value];
1637 	strncpy(buf, p, sizeof(buf));
1638 	error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
1639 	if (error != 0 || req->newptr == NULL)
1640 		return (error);
1641 	methods = 1 << ADA_DELETE_DISABLE;
1642 	if ((softc->flags & ADA_FLAG_CAN_CFA) &&
1643 	    !(softc->flags & ADA_FLAG_CAN_48BIT))
1644 		methods |= 1 << ADA_DELETE_CFA_ERASE;
1645 	if (softc->flags & ADA_FLAG_CAN_TRIM)
1646 		methods |= 1 << ADA_DELETE_DSM_TRIM;
1647 	if (softc->flags & ADA_FLAG_CAN_NCQ_TRIM)
1648 		methods |= 1 << ADA_DELETE_NCQ_DSM_TRIM;
1649 	for (i = 0; i <= ADA_DELETE_MAX; i++) {
1650 		if (!(methods & (1 << i)) ||
1651 		    strcmp(buf, ada_delete_method_names[i]) != 0)
1652 			continue;
1653 		softc->delete_method = i;
1654 		return (0);
1655 	}
1656 	return (EINVAL);
1657 }
1658 
1659 static int
1660 adabitsysctl(SYSCTL_HANDLER_ARGS)
1661 {
1662 	u_int *flags = arg1;
1663 	u_int test = arg2;
1664 	int tmpout, error;
1665 
1666 	tmpout = !!(*flags & test);
1667 	error = SYSCTL_OUT(req, &tmpout, sizeof(tmpout));
1668 	if (error || !req->newptr)
1669 		return (error);
1670 
1671 	return (EPERM);
1672 }
1673 
1674 static int
1675 adaflagssysctl(SYSCTL_HANDLER_ARGS)
1676 {
1677 	struct sbuf sbuf;
1678 	struct ada_softc *softc = arg1;
1679 	int error;
1680 
1681 	sbuf_new_for_sysctl(&sbuf, NULL, 0, req);
1682 	if (softc->flags != 0)
1683 		sbuf_printf(&sbuf, "0x%b", (unsigned)softc->flags, ADA_FLAG_STRING);
1684 	else
1685 		sbuf_printf(&sbuf, "0");
1686 	error = sbuf_finish(&sbuf);
1687 	sbuf_delete(&sbuf);
1688 
1689 	return (error);
1690 }
1691 
1692 static void
1693 adasetflags(struct ada_softc *softc, struct ccb_getdev *cgd)
1694 {
1695 	if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) &&
1696 	    (cgd->inq_flags & SID_DMA))
1697 		softc->flags |= ADA_FLAG_CAN_DMA;
1698 	else
1699 		softc->flags &= ~ADA_FLAG_CAN_DMA;
1700 
1701 	if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) {
1702 		softc->flags |= ADA_FLAG_CAN_48BIT;
1703 		if (cgd->inq_flags & SID_DMA48)
1704 			softc->flags |= ADA_FLAG_CAN_DMA48;
1705 		else
1706 			softc->flags &= ~ADA_FLAG_CAN_DMA48;
1707 	} else
1708 		softc->flags &= ~(ADA_FLAG_CAN_48BIT | ADA_FLAG_CAN_DMA48);
1709 
1710 	if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE)
1711 		softc->flags |= ADA_FLAG_CAN_FLUSHCACHE;
1712 	else
1713 		softc->flags &= ~ADA_FLAG_CAN_FLUSHCACHE;
1714 
1715 	if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT)
1716 		softc->flags |= ADA_FLAG_CAN_POWERMGT;
1717 	else
1718 		softc->flags &= ~ADA_FLAG_CAN_POWERMGT;
1719 
1720 	if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) &&
1721 	    (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue))
1722 		softc->flags |= ADA_FLAG_CAN_NCQ;
1723 	else
1724 		softc->flags &= ~ADA_FLAG_CAN_NCQ;
1725 
1726 	if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) &&
1727 	    (cgd->inq_flags & SID_DMA) &&
1728 	    (softc->quirks & ADA_Q_NO_TRIM) == 0) {
1729 		softc->flags |= ADA_FLAG_CAN_TRIM;
1730 		softc->trim_max_ranges = TRIM_MAX_RANGES;
1731 		if (cgd->ident_data.max_dsm_blocks != 0) {
1732 			softc->trim_max_ranges =
1733 			    min(cgd->ident_data.max_dsm_blocks *
1734 				ATA_DSM_BLK_RANGES, softc->trim_max_ranges);
1735 		}
1736 		/*
1737 		 * If we can do RCVSND_FPDMA_QUEUED commands, we may be able
1738 		 * to do NCQ trims, if we support trims at all. We also need
1739 		 * support from the SIM to do things properly. Perhaps we
1740 		 * should look at log 13 dword 0 bit 0 and dword 1 bit 0 are
1741 		 * set too...
1742 		 */
1743 		if ((softc->quirks & ADA_Q_NCQ_TRIM_BROKEN) == 0 &&
1744 		    (softc->flags & ADA_FLAG_PIM_ATA_EXT) != 0 &&
1745 		    (cgd->ident_data.satacapabilities2 &
1746 		     ATA_SUPPORT_RCVSND_FPDMA_QUEUED) != 0 &&
1747 		    (softc->flags & ADA_FLAG_CAN_TRIM) != 0)
1748 			softc->flags |= ADA_FLAG_CAN_NCQ_TRIM;
1749 		else
1750 			softc->flags &= ~ADA_FLAG_CAN_NCQ_TRIM;
1751 	} else
1752 		softc->flags &= ~(ADA_FLAG_CAN_TRIM | ADA_FLAG_CAN_NCQ_TRIM);
1753 
1754 	if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA)
1755 		softc->flags |= ADA_FLAG_CAN_CFA;
1756 	else
1757 		softc->flags &= ~ADA_FLAG_CAN_CFA;
1758 
1759 	/*
1760 	 * Now that we've set the appropriate flags, setup the delete
1761 	 * method.
1762 	 */
1763 	adasetdeletemethod(softc);
1764 
1765 	if ((cgd->ident_data.support.extension & ATA_SUPPORT_GENLOG)
1766 	 && ((softc->quirks & ADA_Q_LOG_BROKEN) == 0))
1767 		softc->flags |= ADA_FLAG_CAN_LOG;
1768 	else
1769 		softc->flags &= ~ADA_FLAG_CAN_LOG;
1770 
1771 	if ((cgd->ident_data.support3 & ATA_SUPPORT_ZONE_MASK) ==
1772 	     ATA_SUPPORT_ZONE_HOST_AWARE)
1773 		softc->zone_mode = ADA_ZONE_HOST_AWARE;
1774 	else if (((cgd->ident_data.support3 & ATA_SUPPORT_ZONE_MASK) ==
1775 		   ATA_SUPPORT_ZONE_DEV_MANAGED)
1776 	      || (softc->quirks & ADA_Q_SMR_DM))
1777 		softc->zone_mode = ADA_ZONE_DRIVE_MANAGED;
1778 	else
1779 		softc->zone_mode = ADA_ZONE_NONE;
1780 
1781 	if (cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD)
1782 		softc->flags |= ADA_FLAG_CAN_RAHEAD;
1783 	else
1784 		softc->flags &= ~ADA_FLAG_CAN_RAHEAD;
1785 
1786 	if (cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE)
1787 		softc->flags |= ADA_FLAG_CAN_WCACHE;
1788 	else
1789 		softc->flags &= ~ADA_FLAG_CAN_WCACHE;
1790 }
1791 
1792 static cam_status
1793 adaregister(struct cam_periph *periph, void *arg)
1794 {
1795 	struct ada_softc *softc;
1796 	struct ccb_getdev *cgd;
1797 	struct disk_params *dp;
1798 	struct sbuf sb;
1799 	char   *announce_buf;
1800 	caddr_t match;
1801 	int quirks;
1802 
1803 	cgd = (struct ccb_getdev *)arg;
1804 	if (cgd == NULL) {
1805 		printf("adaregister: no getdev CCB, can't register device\n");
1806 		return(CAM_REQ_CMP_ERR);
1807 	}
1808 
1809 	softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF,
1810 	    M_NOWAIT|M_ZERO);
1811 
1812 	if (softc == NULL) {
1813 		printf("adaregister: Unable to probe new device. "
1814 		    "Unable to allocate softc\n");
1815 		return(CAM_REQ_CMP_ERR);
1816 	}
1817 
1818 	announce_buf = softc->announce_temp;
1819 	bzero(announce_buf, ADA_ANNOUNCETMP_SZ);
1820 
1821 	if (cam_iosched_init(&softc->cam_iosched, periph) != 0) {
1822 		printf("adaregister: Unable to probe new device. "
1823 		       "Unable to allocate iosched memory\n");
1824 		free(softc, M_DEVBUF);
1825 		return(CAM_REQ_CMP_ERR);
1826 	}
1827 
1828 	periph->softc = softc;
1829 	xpt_path_inq(&softc->cpi, periph->path);
1830 
1831 	/*
1832 	 * See if this device has any quirks.
1833 	 */
1834 	match = cam_quirkmatch((caddr_t)&cgd->ident_data,
1835 			       (caddr_t)ada_quirk_table,
1836 			       nitems(ada_quirk_table),
1837 			       sizeof(*ada_quirk_table), ata_identify_match);
1838 	if (match != NULL)
1839 		softc->quirks = ((struct ada_quirk_entry *)match)->quirks;
1840 	else
1841 		softc->quirks = ADA_Q_NONE;
1842 
1843 	TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph);
1844 
1845 	/*
1846 	 * Take a reference on the periph while adastart is called to finish
1847 	 * the probe.  The reference will be dropped in adaprobedone at the
1848 	 * end of probe.
1849 	 */
1850 	(void)cam_periph_acquire(periph);
1851 	cam_periph_unlock(periph);
1852 	snprintf(announce_buf, ADA_ANNOUNCETMP_SZ,
1853 	    "kern.cam.ada.%d.quirks", periph->unit_number);
1854 	quirks = softc->quirks;
1855 	TUNABLE_INT_FETCH(announce_buf, &quirks);
1856 	softc->quirks = quirks;
1857 	softc->read_ahead = -1;
1858 	snprintf(announce_buf, ADA_ANNOUNCETMP_SZ,
1859 	    "kern.cam.ada.%d.read_ahead", periph->unit_number);
1860 	TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead);
1861 	softc->write_cache = -1;
1862 	snprintf(announce_buf, ADA_ANNOUNCETMP_SZ,
1863 	    "kern.cam.ada.%d.write_cache", periph->unit_number);
1864 	TUNABLE_INT_FETCH(announce_buf, &softc->write_cache);
1865 
1866 	/*
1867 	 * Let XPT know we can use UMA-allocated CCBs.
1868 	 */
1869 	if (ada_enable_uma_ccbs) {
1870 		KASSERT(ada_ccb_zone != NULL,
1871 		    ("%s: NULL ada_ccb_zone", __func__));
1872 		periph->ccb_zone = ada_ccb_zone;
1873 	}
1874 
1875 	/*
1876 	 * Set support flags based on the Identify data and quirks.
1877 	 */
1878 	adasetflags(softc, cgd);
1879 	if (softc->cpi.hba_misc & PIM_ATA_EXT)
1880 		softc->flags |= ADA_FLAG_PIM_ATA_EXT;
1881 
1882 	/* Disable queue sorting for non-rotational media by default. */
1883 	if (cgd->ident_data.media_rotation_rate == ATA_RATE_NON_ROTATING) {
1884 		softc->flags &= ~ADA_FLAG_ROTATING;
1885 	} else {
1886 		softc->flags |= ADA_FLAG_ROTATING;
1887 	}
1888 	cam_iosched_set_sort_queue(softc->cam_iosched,
1889 	    (softc->flags & ADA_FLAG_ROTATING) ? -1 : 0);
1890 	softc->disk = disk_alloc();
1891 	adasetgeom(softc, cgd);
1892 	softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
1893 			  periph->unit_number, softc->params.secsize,
1894 			  DEVSTAT_ALL_SUPPORTED,
1895 			  DEVSTAT_TYPE_DIRECT |
1896 			  XPORT_DEVSTAT_TYPE(softc->cpi.transport),
1897 			  DEVSTAT_PRIORITY_DISK);
1898 	softc->disk->d_open = adaopen;
1899 	softc->disk->d_close = adaclose;
1900 	softc->disk->d_strategy = adastrategy;
1901 	softc->disk->d_getattr = adagetattr;
1902 	if (cam_sim_pollable(periph->sim))
1903 		softc->disk->d_dump = adadump;
1904 	softc->disk->d_gone = adadiskgonecb;
1905 	softc->disk->d_name = "ada";
1906 	softc->disk->d_drv1 = periph;
1907 	softc->disk->d_unit = periph->unit_number;
1908 	cam_periph_lock(periph);
1909 
1910 	dp = &softc->params;
1911 	snprintf(announce_buf, ADA_ANNOUNCETMP_SZ,
1912 	    "%juMB (%ju %u byte sectors)",
1913 	    ((uintmax_t)dp->secsize * dp->sectors) / (1024 * 1024),
1914 	    (uintmax_t)dp->sectors, dp->secsize);
1915 
1916 	sbuf_new(&sb, softc->announce_buffer, ADA_ANNOUNCE_SZ, SBUF_FIXEDLEN);
1917 	xpt_announce_periph_sbuf(periph, &sb, announce_buf);
1918 	xpt_announce_quirks_sbuf(periph, &sb, softc->quirks, ADA_Q_BIT_STRING);
1919 	sbuf_finish(&sb);
1920 	sbuf_putbuf(&sb);
1921 
1922 	/*
1923 	 * Create our sysctl variables, now that we know
1924 	 * we have successfully attached.
1925 	 */
1926 	if (cam_periph_acquire(periph) == 0)
1927 		taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task);
1928 
1929 	/*
1930 	 * Add async callbacks for bus reset and
1931 	 * bus device reset calls.  I don't bother
1932 	 * checking if this fails as, in most cases,
1933 	 * the system will function just fine without
1934 	 * them and the only alternative would be to
1935 	 * not attach the device on failure.
1936 	 */
1937 	xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
1938 	    AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED,
1939 	    adaasync, periph, periph->path);
1940 
1941 	/*
1942 	 * Schedule a periodic event to occasionally send an
1943 	 * ordered tag to a device.
1944 	 */
1945 	callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
1946 	callout_reset_sbt(&softc->sendordered_c,
1947 	    SBT_1S / ADA_ORDEREDTAG_INTERVAL * ada_default_timeout, 0,
1948 	    adasendorderedtag, softc, C_PREL(1));
1949 
1950 	/* Released after probe when disk_create() call pass it to GEOM. */
1951 	cam_periph_hold_boot(periph);
1952 
1953 	if (ADA_RA >= 0 && softc->flags & ADA_FLAG_CAN_RAHEAD) {
1954 		softc->state = ADA_STATE_RAHEAD;
1955 	} else if (ADA_WC >= 0 && softc->flags & ADA_FLAG_CAN_WCACHE) {
1956 		softc->state = ADA_STATE_WCACHE;
1957 	} else if ((softc->flags & ADA_FLAG_CAN_LOG)
1958 		&& (softc->zone_mode != ADA_ZONE_NONE)) {
1959 		softc->state = ADA_STATE_LOGDIR;
1960 	} else {
1961 		/*
1962 		 * Nothing to probe, so we can just transition to the
1963 		 * normal state.
1964 		 */
1965 		adaprobedone(periph, NULL);
1966 		return(CAM_REQ_CMP);
1967 	}
1968 
1969 	xpt_schedule(periph, CAM_PRIORITY_DEV);
1970 	return(CAM_REQ_CMP);
1971 }
1972 
1973 static int
1974 ada_dsmtrim_req_create(struct ada_softc *softc, struct bio *bp, struct trim_request *req)
1975 {
1976 	uint64_t lastlba = (uint64_t)-1, lbas = 0;
1977 	int c, lastcount = 0, off, ranges = 0;
1978 
1979 	bzero(req, sizeof(*req));
1980 	TAILQ_INIT(&req->bps);
1981 	do {
1982 		uint64_t lba = bp->bio_pblkno;
1983 		int count = bp->bio_bcount / softc->params.secsize;
1984 
1985 		/* Try to extend the previous range. */
1986 		if (lba == lastlba) {
1987 			c = min(count, ATA_DSM_RANGE_MAX - lastcount);
1988 			lastcount += c;
1989 			off = (ranges - 1) * ATA_DSM_RANGE_SIZE;
1990 			req->data[off + 6] = lastcount & 0xff;
1991 			req->data[off + 7] =
1992 				(lastcount >> 8) & 0xff;
1993 			count -= c;
1994 			lba += c;
1995 			lbas += c;
1996 		}
1997 
1998 		while (count > 0) {
1999 			c = min(count, ATA_DSM_RANGE_MAX);
2000 			off = ranges * ATA_DSM_RANGE_SIZE;
2001 			req->data[off + 0] = lba & 0xff;
2002 			req->data[off + 1] = (lba >> 8) & 0xff;
2003 			req->data[off + 2] = (lba >> 16) & 0xff;
2004 			req->data[off + 3] = (lba >> 24) & 0xff;
2005 			req->data[off + 4] = (lba >> 32) & 0xff;
2006 			req->data[off + 5] = (lba >> 40) & 0xff;
2007 			req->data[off + 6] = c & 0xff;
2008 			req->data[off + 7] = (c >> 8) & 0xff;
2009 			lba += c;
2010 			lbas += c;
2011 			count -= c;
2012 			lastcount = c;
2013 			ranges++;
2014 			/*
2015 			 * Its the caller's responsibility to ensure the
2016 			 * request will fit so we don't need to check for
2017 			 * overrun here
2018 			 */
2019 		}
2020 		lastlba = lba;
2021 		TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue);
2022 
2023 		bp = cam_iosched_next_trim(softc->cam_iosched);
2024 		if (bp == NULL)
2025 			break;
2026 		if (bp->bio_bcount / softc->params.secsize >
2027 		    (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) {
2028 			cam_iosched_put_back_trim(softc->cam_iosched, bp);
2029 			break;
2030 		}
2031 	} while (1);
2032 	softc->trim_count++;
2033 	softc->trim_ranges += ranges;
2034 	softc->trim_lbas += lbas;
2035 
2036 	return (ranges);
2037 }
2038 
2039 static void
2040 ada_dsmtrim(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio)
2041 {
2042 	struct trim_request *req = &softc->trim_req;
2043 	int ranges;
2044 
2045 	ranges = ada_dsmtrim_req_create(softc, bp, req);
2046 	cam_fill_ataio(ataio,
2047 	    ada_retry_count,
2048 	    adadone,
2049 	    CAM_DIR_OUT,
2050 	    0,
2051 	    req->data,
2052 	    howmany(ranges, ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE,
2053 	    ada_default_timeout * 1000);
2054 	ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT,
2055 	    ATA_DSM_TRIM, 0, howmany(ranges, ATA_DSM_BLK_RANGES));
2056 }
2057 
2058 static void
2059 ada_ncq_dsmtrim(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio)
2060 {
2061 	struct trim_request *req = &softc->trim_req;
2062 	int ranges;
2063 
2064 	ranges = ada_dsmtrim_req_create(softc, bp, req);
2065 	cam_fill_ataio(ataio,
2066 	    ada_retry_count,
2067 	    adadone,
2068 	    CAM_DIR_OUT,
2069 	    0,
2070 	    req->data,
2071 	    howmany(ranges, ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE,
2072 	    ada_default_timeout * 1000);
2073 	ata_ncq_cmd(ataio,
2074 	    ATA_SEND_FPDMA_QUEUED,
2075 	    0,
2076 	    howmany(ranges, ATA_DSM_BLK_RANGES));
2077 	ataio->cmd.sector_count_exp = ATA_SFPDMA_DSM;
2078 	ataio->ata_flags |= ATA_FLAG_AUX;
2079 	ataio->aux = 1;
2080 }
2081 
2082 static void
2083 ada_cfaerase(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio)
2084 {
2085 	struct trim_request *req = &softc->trim_req;
2086 	uint64_t lba = bp->bio_pblkno;
2087 	uint16_t count = bp->bio_bcount / softc->params.secsize;
2088 
2089 	bzero(req, sizeof(*req));
2090 	TAILQ_INIT(&req->bps);
2091 	TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue);
2092 
2093 	cam_fill_ataio(ataio,
2094 	    ada_retry_count,
2095 	    adadone,
2096 	    CAM_DIR_NONE,
2097 	    0,
2098 	    NULL,
2099 	    0,
2100 	    ada_default_timeout*1000);
2101 
2102 	if (count >= 256)
2103 		count = 0;
2104 	ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count);
2105 }
2106 
2107 static int
2108 ada_zone_bio_to_ata(int disk_zone_cmd)
2109 {
2110 	switch (disk_zone_cmd) {
2111 	case DISK_ZONE_OPEN:
2112 		return ATA_ZM_OPEN_ZONE;
2113 	case DISK_ZONE_CLOSE:
2114 		return ATA_ZM_CLOSE_ZONE;
2115 	case DISK_ZONE_FINISH:
2116 		return ATA_ZM_FINISH_ZONE;
2117 	case DISK_ZONE_RWP:
2118 		return ATA_ZM_RWP;
2119 	}
2120 
2121 	return -1;
2122 }
2123 
2124 static int
2125 ada_zone_cmd(struct cam_periph *periph, union ccb *ccb, struct bio *bp,
2126 	     int *queue_ccb)
2127 {
2128 	struct ada_softc *softc;
2129 	int error;
2130 
2131 	error = 0;
2132 
2133 	if (bp->bio_cmd != BIO_ZONE) {
2134 		error = EINVAL;
2135 		goto bailout;
2136 	}
2137 
2138 	softc = periph->softc;
2139 
2140 	switch (bp->bio_zone.zone_cmd) {
2141 	case DISK_ZONE_OPEN:
2142 	case DISK_ZONE_CLOSE:
2143 	case DISK_ZONE_FINISH:
2144 	case DISK_ZONE_RWP: {
2145 		int zone_flags;
2146 		int zone_sa;
2147 		uint64_t lba;
2148 
2149 		zone_sa = ada_zone_bio_to_ata(bp->bio_zone.zone_cmd);
2150 		if (zone_sa == -1) {
2151 			xpt_print(periph->path, "Cannot translate zone "
2152 			    "cmd %#x to ATA\n", bp->bio_zone.zone_cmd);
2153 			error = EINVAL;
2154 			goto bailout;
2155 		}
2156 
2157 		zone_flags = 0;
2158 		lba = bp->bio_zone.zone_params.rwp.id;
2159 
2160 		if (bp->bio_zone.zone_params.rwp.flags &
2161 		    DISK_ZONE_RWP_FLAG_ALL)
2162 			zone_flags |= ZBC_OUT_ALL;
2163 
2164 		ata_zac_mgmt_out(&ccb->ataio,
2165 				 /*retries*/ ada_retry_count,
2166 				 /*cbfcnp*/ adadone,
2167 				 /*use_ncq*/ (softc->flags &
2168 					      ADA_FLAG_PIM_ATA_EXT) ? 1 : 0,
2169 				 /*zm_action*/ zone_sa,
2170 				 /*zone_id*/ lba,
2171 				 /*zone_flags*/ zone_flags,
2172 				 /*sector_count*/ 0,
2173 				 /*data_ptr*/ NULL,
2174 				 /*dxfer_len*/ 0,
2175 				 /*timeout*/ ada_default_timeout * 1000);
2176 		*queue_ccb = 1;
2177 
2178 		break;
2179 	}
2180 	case DISK_ZONE_REPORT_ZONES: {
2181 		uint8_t *rz_ptr;
2182 		uint32_t num_entries, alloc_size;
2183 		struct disk_zone_report *rep;
2184 
2185 		rep = &bp->bio_zone.zone_params.report;
2186 
2187 		num_entries = rep->entries_allocated;
2188 		if (num_entries == 0) {
2189 			xpt_print(periph->path, "No entries allocated for "
2190 			    "Report Zones request\n");
2191 			error = EINVAL;
2192 			goto bailout;
2193 		}
2194 		alloc_size = sizeof(struct scsi_report_zones_hdr) +
2195 		    (sizeof(struct scsi_report_zones_desc) * num_entries);
2196 		alloc_size = min(alloc_size, softc->disk->d_maxsize);
2197 		rz_ptr = malloc(alloc_size, M_ATADA, M_NOWAIT | M_ZERO);
2198 		if (rz_ptr == NULL) {
2199 			xpt_print(periph->path, "Unable to allocate memory "
2200 			   "for Report Zones request\n");
2201 			error = ENOMEM;
2202 			goto bailout;
2203 		}
2204 
2205 		ata_zac_mgmt_in(&ccb->ataio,
2206 				/*retries*/ ada_retry_count,
2207 				/*cbcfnp*/ adadone,
2208 				/*use_ncq*/ (softc->flags &
2209 					     ADA_FLAG_PIM_ATA_EXT) ? 1 : 0,
2210 				/*zm_action*/ ATA_ZM_REPORT_ZONES,
2211 				/*zone_id*/ rep->starting_id,
2212 				/*zone_flags*/ rep->rep_options,
2213 				/*data_ptr*/ rz_ptr,
2214 				/*dxfer_len*/ alloc_size,
2215 				/*timeout*/ ada_default_timeout * 1000);
2216 
2217 		/*
2218 		 * For BIO_ZONE, this isn't normally needed.  However, it
2219 		 * is used by devstat_end_transaction_bio() to determine
2220 		 * how much data was transferred.
2221 		 */
2222 		/*
2223 		 * XXX KDM we have a problem.  But I'm not sure how to fix
2224 		 * it.  devstat uses bio_bcount - bio_resid to calculate
2225 		 * the amount of data transferred.   The GEOM disk code
2226 		 * uses bio_length - bio_resid to calculate the amount of
2227 		 * data in bio_completed.  We have different structure
2228 		 * sizes above and below the ada(4) driver.  So, if we
2229 		 * use the sizes above, the amount transferred won't be
2230 		 * quite accurate for devstat.  If we use different sizes
2231 		 * for bio_bcount and bio_length (above and below
2232 		 * respectively), then the residual needs to match one or
2233 		 * the other.  Everything is calculated after the bio
2234 		 * leaves the driver, so changing the values around isn't
2235 		 * really an option.  For now, just set the count to the
2236 		 * passed in length.  This means that the calculations
2237 		 * above (e.g. bio_completed) will be correct, but the
2238 		 * amount of data reported to devstat will be slightly
2239 		 * under or overstated.
2240 		 */
2241 		bp->bio_bcount = bp->bio_length;
2242 
2243 		*queue_ccb = 1;
2244 
2245 		break;
2246 	}
2247 	case DISK_ZONE_GET_PARAMS: {
2248 		struct disk_zone_disk_params *params;
2249 
2250 		params = &bp->bio_zone.zone_params.disk_params;
2251 		bzero(params, sizeof(*params));
2252 
2253 		switch (softc->zone_mode) {
2254 		case ADA_ZONE_DRIVE_MANAGED:
2255 			params->zone_mode = DISK_ZONE_MODE_DRIVE_MANAGED;
2256 			break;
2257 		case ADA_ZONE_HOST_AWARE:
2258 			params->zone_mode = DISK_ZONE_MODE_HOST_AWARE;
2259 			break;
2260 		case ADA_ZONE_HOST_MANAGED:
2261 			params->zone_mode = DISK_ZONE_MODE_HOST_MANAGED;
2262 			break;
2263 		default:
2264 		case ADA_ZONE_NONE:
2265 			params->zone_mode = DISK_ZONE_MODE_NONE;
2266 			break;
2267 		}
2268 
2269 		if (softc->zone_flags & ADA_ZONE_FLAG_URSWRZ)
2270 			params->flags |= DISK_ZONE_DISK_URSWRZ;
2271 
2272 		if (softc->zone_flags & ADA_ZONE_FLAG_OPT_SEQ_SET) {
2273 			params->optimal_seq_zones = softc->optimal_seq_zones;
2274 			params->flags |= DISK_ZONE_OPT_SEQ_SET;
2275 		}
2276 
2277 		if (softc->zone_flags & ADA_ZONE_FLAG_OPT_NONSEQ_SET) {
2278 			params->optimal_nonseq_zones =
2279 			    softc->optimal_nonseq_zones;
2280 			params->flags |= DISK_ZONE_OPT_NONSEQ_SET;
2281 		}
2282 
2283 		if (softc->zone_flags & ADA_ZONE_FLAG_MAX_SEQ_SET) {
2284 			params->max_seq_zones = softc->max_seq_zones;
2285 			params->flags |= DISK_ZONE_MAX_SEQ_SET;
2286 		}
2287 		if (softc->zone_flags & ADA_ZONE_FLAG_RZ_SUP)
2288 			params->flags |= DISK_ZONE_RZ_SUP;
2289 
2290 		if (softc->zone_flags & ADA_ZONE_FLAG_OPEN_SUP)
2291 			params->flags |= DISK_ZONE_OPEN_SUP;
2292 
2293 		if (softc->zone_flags & ADA_ZONE_FLAG_CLOSE_SUP)
2294 			params->flags |= DISK_ZONE_CLOSE_SUP;
2295 
2296 		if (softc->zone_flags & ADA_ZONE_FLAG_FINISH_SUP)
2297 			params->flags |= DISK_ZONE_FINISH_SUP;
2298 
2299 		if (softc->zone_flags & ADA_ZONE_FLAG_RWP_SUP)
2300 			params->flags |= DISK_ZONE_RWP_SUP;
2301 		break;
2302 	}
2303 	default:
2304 		break;
2305 	}
2306 bailout:
2307 	return (error);
2308 }
2309 
2310 static void
2311 adastart(struct cam_periph *periph, union ccb *start_ccb)
2312 {
2313 	struct ada_softc *softc = (struct ada_softc *)periph->softc;
2314 	struct ccb_ataio *ataio = &start_ccb->ataio;
2315 
2316 	CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n"));
2317 
2318 	switch (softc->state) {
2319 	case ADA_STATE_NORMAL:
2320 	{
2321 		struct bio *bp;
2322 		uint8_t tag_code;
2323 
2324 		bp = cam_iosched_next_bio(softc->cam_iosched);
2325 		if (bp == NULL) {
2326 			xpt_release_ccb(start_ccb);
2327 			break;
2328 		}
2329 
2330 		if ((bp->bio_flags & BIO_ORDERED) != 0 ||
2331 		    (bp->bio_cmd != BIO_DELETE && (softc->flags & ADA_FLAG_NEED_OTAG) != 0)) {
2332 			softc->flags &= ~ADA_FLAG_NEED_OTAG;
2333 			softc->flags |= ADA_FLAG_WAS_OTAG;
2334 			tag_code = 0;
2335 		} else {
2336 			tag_code = 1;
2337 		}
2338 		switch (bp->bio_cmd) {
2339 		case BIO_WRITE:
2340 		case BIO_READ:
2341 		{
2342 			uint64_t lba = bp->bio_pblkno;
2343 			uint16_t count = bp->bio_bcount / softc->params.secsize;
2344 			void *data_ptr;
2345 			int rw_op;
2346 
2347 			if (bp->bio_cmd == BIO_WRITE) {
2348 				softc->flags |= ADA_FLAG_DIRTY;
2349 				rw_op = CAM_DIR_OUT;
2350 			} else {
2351 				rw_op = CAM_DIR_IN;
2352 			}
2353 
2354 			data_ptr = bp->bio_data;
2355 			if ((bp->bio_flags & (BIO_UNMAPPED|BIO_VLIST)) != 0) {
2356 				rw_op |= CAM_DATA_BIO;
2357 				data_ptr = bp;
2358 			}
2359 
2360 #ifdef CAM_TEST_FAILURE
2361 			int fail = 0;
2362 
2363 			/*
2364 			 * Support the failure ioctls.  If the command is a
2365 			 * read, and there are pending forced read errors, or
2366 			 * if a write and pending write errors, then fail this
2367 			 * operation with EIO.  This is useful for testing
2368 			 * purposes.  Also, support having every Nth read fail.
2369 			 *
2370 			 * This is a rather blunt tool.
2371 			 */
2372 			if (bp->bio_cmd == BIO_READ) {
2373 				if (softc->force_read_error) {
2374 					softc->force_read_error--;
2375 					fail = 1;
2376 				}
2377 				if (softc->periodic_read_error > 0) {
2378 					if (++softc->periodic_read_count >=
2379 					    softc->periodic_read_error) {
2380 						softc->periodic_read_count = 0;
2381 						fail = 1;
2382 					}
2383 				}
2384 			} else {
2385 				if (softc->force_write_error) {
2386 					softc->force_write_error--;
2387 					fail = 1;
2388 				}
2389 			}
2390 			if (fail) {
2391 				biofinish(bp, NULL, EIO);
2392 				xpt_release_ccb(start_ccb);
2393 				adaschedule(periph);
2394 				return;
2395 			}
2396 #endif
2397 			KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 ||
2398 			    round_page(bp->bio_bcount + bp->bio_ma_offset) /
2399 			    PAGE_SIZE == bp->bio_ma_n,
2400 			    ("Short bio %p", bp));
2401 			cam_fill_ataio(ataio,
2402 			    ada_retry_count,
2403 			    adadone,
2404 			    rw_op,
2405 			    0,
2406 			    data_ptr,
2407 			    bp->bio_bcount,
2408 			    ada_default_timeout*1000);
2409 
2410 			if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) {
2411 				if (bp->bio_cmd == BIO_READ) {
2412 					ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED,
2413 					    lba, count);
2414 				} else {
2415 					ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED,
2416 					    lba, count);
2417 				}
2418 			} else if ((softc->flags & ADA_FLAG_CAN_48BIT) &&
2419 			    (lba + count >= ATA_MAX_28BIT_LBA ||
2420 			    count > 256)) {
2421 				if (softc->flags & ADA_FLAG_CAN_DMA48) {
2422 					if (bp->bio_cmd == BIO_READ) {
2423 						ata_48bit_cmd(ataio, ATA_READ_DMA48,
2424 						    0, lba, count);
2425 					} else {
2426 						ata_48bit_cmd(ataio, ATA_WRITE_DMA48,
2427 						    0, lba, count);
2428 					}
2429 				} else {
2430 					if (bp->bio_cmd == BIO_READ) {
2431 						ata_48bit_cmd(ataio, ATA_READ_MUL48,
2432 						    0, lba, count);
2433 					} else {
2434 						ata_48bit_cmd(ataio, ATA_WRITE_MUL48,
2435 						    0, lba, count);
2436 					}
2437 				}
2438 			} else {
2439 				if (count == 256)
2440 					count = 0;
2441 				if (softc->flags & ADA_FLAG_CAN_DMA) {
2442 					if (bp->bio_cmd == BIO_READ) {
2443 						ata_28bit_cmd(ataio, ATA_READ_DMA,
2444 						    0, lba, count);
2445 					} else {
2446 						ata_28bit_cmd(ataio, ATA_WRITE_DMA,
2447 						    0, lba, count);
2448 					}
2449 				} else {
2450 					if (bp->bio_cmd == BIO_READ) {
2451 						ata_28bit_cmd(ataio, ATA_READ_MUL,
2452 						    0, lba, count);
2453 					} else {
2454 						ata_28bit_cmd(ataio, ATA_WRITE_MUL,
2455 						    0, lba, count);
2456 					}
2457 				}
2458 			}
2459 			break;
2460 		}
2461 		case BIO_DELETE:
2462 			switch (softc->delete_method) {
2463 			case ADA_DELETE_NCQ_DSM_TRIM:
2464 				ada_ncq_dsmtrim(softc, bp, ataio);
2465 				break;
2466 			case ADA_DELETE_DSM_TRIM:
2467 				ada_dsmtrim(softc, bp, ataio);
2468 				break;
2469 			case ADA_DELETE_CFA_ERASE:
2470 				ada_cfaerase(softc, bp, ataio);
2471 				break;
2472 			default:
2473 				biofinish(bp, NULL, EOPNOTSUPP);
2474 				xpt_release_ccb(start_ccb);
2475 				adaschedule(periph);
2476 				return;
2477 			}
2478 			start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM;
2479 			start_ccb->ccb_h.flags |= CAM_UNLOCKED;
2480 			cam_iosched_submit_trim(softc->cam_iosched);
2481 			goto out;
2482 		case BIO_FLUSH:
2483 			cam_fill_ataio(ataio,
2484 			    1,
2485 			    adadone,
2486 			    CAM_DIR_NONE,
2487 			    0,
2488 			    NULL,
2489 			    0,
2490 			    ada_default_timeout*1000);
2491 
2492 			if (softc->flags & ADA_FLAG_CAN_48BIT)
2493 				ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0);
2494 			else
2495 				ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0);
2496 			break;
2497 		case BIO_ZONE: {
2498 			int error, queue_ccb;
2499 
2500 			queue_ccb = 0;
2501 
2502 			error = ada_zone_cmd(periph, start_ccb, bp, &queue_ccb);
2503 			if ((error != 0)
2504 			 || (queue_ccb == 0)) {
2505 				biofinish(bp, NULL, error);
2506 				xpt_release_ccb(start_ccb);
2507 				return;
2508 			}
2509 			break;
2510 		}
2511 		default:
2512 			biofinish(bp, NULL, EOPNOTSUPP);
2513 			xpt_release_ccb(start_ccb);
2514 			return;
2515 		}
2516 		start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO;
2517 		start_ccb->ccb_h.flags |= CAM_UNLOCKED;
2518 out:
2519 		start_ccb->ccb_h.ccb_bp = bp;
2520 		softc->outstanding_cmds++;
2521 		softc->refcount++;
2522 		cam_periph_unlock(periph);
2523 		xpt_action(start_ccb);
2524 		cam_periph_lock(periph);
2525 
2526 		/* May have more work to do, so ensure we stay scheduled */
2527 		adaschedule(periph);
2528 		break;
2529 	}
2530 	case ADA_STATE_RAHEAD:
2531 	case ADA_STATE_WCACHE:
2532 	{
2533 		cam_fill_ataio(ataio,
2534 		    1,
2535 		    adadone,
2536 		    CAM_DIR_NONE,
2537 		    0,
2538 		    NULL,
2539 		    0,
2540 		    ada_default_timeout*1000);
2541 
2542 		if (softc->state == ADA_STATE_RAHEAD) {
2543 			ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ?
2544 			    ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0);
2545 			start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD;
2546 		} else {
2547 			ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ?
2548 			    ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0);
2549 			start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE;
2550 		}
2551 		start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE;
2552 		xpt_action(start_ccb);
2553 		break;
2554 	}
2555 	case ADA_STATE_LOGDIR:
2556 	{
2557 		struct ata_gp_log_dir *log_dir;
2558 
2559 		if ((softc->flags & ADA_FLAG_CAN_LOG) == 0) {
2560 			adaprobedone(periph, start_ccb);
2561 			break;
2562 		}
2563 
2564 		log_dir = malloc(sizeof(*log_dir), M_ATADA, M_NOWAIT|M_ZERO);
2565 		if (log_dir == NULL) {
2566 			xpt_print(periph->path, "Couldn't malloc log_dir "
2567 			    "data\n");
2568 			softc->state = ADA_STATE_NORMAL;
2569 			xpt_release_ccb(start_ccb);
2570 			break;
2571 		}
2572 
2573 		ata_read_log(ataio,
2574 		    /*retries*/1,
2575 		    /*cbfcnp*/adadone,
2576 		    /*log_address*/ ATA_LOG_DIRECTORY,
2577 		    /*page_number*/ 0,
2578 		    /*block_count*/ 1,
2579 		    /*protocol*/ softc->flags & ADA_FLAG_CAN_DMA ?
2580 				 CAM_ATAIO_DMA : 0,
2581 		    /*data_ptr*/ (uint8_t *)log_dir,
2582 		    /*dxfer_len*/sizeof(*log_dir),
2583 		    /*timeout*/ada_default_timeout*1000);
2584 
2585 		start_ccb->ccb_h.ccb_state = ADA_CCB_LOGDIR;
2586 		xpt_action(start_ccb);
2587 		break;
2588 	}
2589 	case ADA_STATE_IDDIR:
2590 	{
2591 		struct ata_identify_log_pages *id_dir;
2592 
2593 		id_dir = malloc(sizeof(*id_dir), M_ATADA, M_NOWAIT | M_ZERO);
2594 		if (id_dir == NULL) {
2595 			xpt_print(periph->path, "Couldn't malloc id_dir "
2596 			    "data\n");
2597 			adaprobedone(periph, start_ccb);
2598 			break;
2599 		}
2600 
2601 		ata_read_log(ataio,
2602 		    /*retries*/1,
2603 		    /*cbfcnp*/adadone,
2604 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
2605 		    /*page_number*/ ATA_IDL_PAGE_LIST,
2606 		    /*block_count*/ 1,
2607 		    /*protocol*/ softc->flags & ADA_FLAG_CAN_DMA ?
2608 				 CAM_ATAIO_DMA : 0,
2609 		    /*data_ptr*/ (uint8_t *)id_dir,
2610 		    /*dxfer_len*/ sizeof(*id_dir),
2611 		    /*timeout*/ada_default_timeout*1000);
2612 
2613 		start_ccb->ccb_h.ccb_state = ADA_CCB_IDDIR;
2614 		xpt_action(start_ccb);
2615 		break;
2616 	}
2617 	case ADA_STATE_SUP_CAP:
2618 	{
2619 		struct ata_identify_log_sup_cap *sup_cap;
2620 
2621 		sup_cap = malloc(sizeof(*sup_cap), M_ATADA, M_NOWAIT|M_ZERO);
2622 		if (sup_cap == NULL) {
2623 			xpt_print(periph->path, "Couldn't malloc sup_cap "
2624 			    "data\n");
2625 			adaprobedone(periph, start_ccb);
2626 			break;
2627 		}
2628 
2629 		ata_read_log(ataio,
2630 		    /*retries*/1,
2631 		    /*cbfcnp*/adadone,
2632 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
2633 		    /*page_number*/ ATA_IDL_SUP_CAP,
2634 		    /*block_count*/ 1,
2635 		    /*protocol*/ softc->flags & ADA_FLAG_CAN_DMA ?
2636 				 CAM_ATAIO_DMA : 0,
2637 		    /*data_ptr*/ (uint8_t *)sup_cap,
2638 		    /*dxfer_len*/ sizeof(*sup_cap),
2639 		    /*timeout*/ada_default_timeout*1000);
2640 
2641 		start_ccb->ccb_h.ccb_state = ADA_CCB_SUP_CAP;
2642 		xpt_action(start_ccb);
2643 		break;
2644 	}
2645 	case ADA_STATE_ZONE:
2646 	{
2647 		struct ata_zoned_info_log *ata_zone;
2648 
2649 		ata_zone = malloc(sizeof(*ata_zone), M_ATADA, M_NOWAIT|M_ZERO);
2650 		if (ata_zone == NULL) {
2651 			xpt_print(periph->path, "Couldn't malloc ata_zone "
2652 			    "data\n");
2653 			adaprobedone(periph, start_ccb);
2654 			break;
2655 		}
2656 
2657 		ata_read_log(ataio,
2658 		    /*retries*/1,
2659 		    /*cbfcnp*/adadone,
2660 		    /*log_address*/ ATA_IDENTIFY_DATA_LOG,
2661 		    /*page_number*/ ATA_IDL_ZDI,
2662 		    /*block_count*/ 1,
2663 		    /*protocol*/ softc->flags & ADA_FLAG_CAN_DMA ?
2664 				 CAM_ATAIO_DMA : 0,
2665 		    /*data_ptr*/ (uint8_t *)ata_zone,
2666 		    /*dxfer_len*/ sizeof(*ata_zone),
2667 		    /*timeout*/ada_default_timeout*1000);
2668 
2669 		start_ccb->ccb_h.ccb_state = ADA_CCB_ZONE;
2670 		xpt_action(start_ccb);
2671 		break;
2672 	}
2673 	}
2674 }
2675 
2676 static void
2677 adaprobedone(struct cam_periph *periph, union ccb *ccb)
2678 {
2679 	struct ada_softc *softc;
2680 
2681 	softc = (struct ada_softc *)periph->softc;
2682 
2683 	/*
2684 	 * Since our peripheral may be invalidated by an error we must release
2685 	 * our CCB before releasing the reference on the peripheral.  The
2686 	 * peripheral will only go away once the last reference is removed, and
2687 	 * we need it around for the CCB release operation.
2688 	 */
2689 	if (ccb != NULL)
2690 		xpt_release_ccb(ccb);
2691 
2692 	softc->state = ADA_STATE_NORMAL;
2693 	softc->flags |= ADA_FLAG_PROBED;
2694 	adaschedule(periph);
2695 	if ((softc->flags & ADA_FLAG_ANNOUNCED) == 0) {
2696 		softc->flags |= ADA_FLAG_ANNOUNCED;
2697 
2698 		/*
2699 		 * We'll release this reference once GEOM calls us back via
2700 		 * adadiskgonecb(), telling us that our provider has been freed.
2701 		 */
2702 		if (cam_periph_acquire(periph) == 0)
2703 			disk_create(softc->disk, DISK_VERSION);
2704 
2705 		cam_periph_release_boot(periph);
2706 	}
2707 	cam_periph_release_locked(periph);
2708 }
2709 
2710 static void
2711 adazonedone(struct cam_periph *periph, union ccb *ccb)
2712 {
2713 	struct bio *bp;
2714 
2715 	bp = (struct bio *)ccb->ccb_h.ccb_bp;
2716 
2717 	switch (bp->bio_zone.zone_cmd) {
2718 	case DISK_ZONE_OPEN:
2719 	case DISK_ZONE_CLOSE:
2720 	case DISK_ZONE_FINISH:
2721 	case DISK_ZONE_RWP:
2722 		break;
2723 	case DISK_ZONE_REPORT_ZONES: {
2724 		uint32_t avail_len;
2725 		struct disk_zone_report *rep;
2726 		struct scsi_report_zones_hdr *hdr;
2727 		struct scsi_report_zones_desc *desc;
2728 		struct disk_zone_rep_entry *entry;
2729 		uint32_t hdr_len, num_avail;
2730 		uint32_t num_to_fill, i;
2731 
2732 		rep = &bp->bio_zone.zone_params.report;
2733 		avail_len = ccb->ataio.dxfer_len - ccb->ataio.resid;
2734 		/*
2735 		 * Note that bio_resid isn't normally used for zone
2736 		 * commands, but it is used by devstat_end_transaction_bio()
2737 		 * to determine how much data was transferred.  Because
2738 		 * the size of the SCSI/ATA data structures is different
2739 		 * than the size of the BIO interface structures, the
2740 		 * amount of data actually transferred from the drive will
2741 		 * be different than the amount of data transferred to
2742 		 * the user.
2743 		 */
2744 		hdr = (struct scsi_report_zones_hdr *)ccb->ataio.data_ptr;
2745 		if (avail_len < sizeof(*hdr)) {
2746 			/*
2747 			 * Is there a better error than EIO here?  We asked
2748 			 * for at least the header, and we got less than
2749 			 * that.
2750 			 */
2751 			bp->bio_error = EIO;
2752 			bp->bio_flags |= BIO_ERROR;
2753 			bp->bio_resid = bp->bio_bcount;
2754 			break;
2755 		}
2756 
2757 		hdr_len = le32dec(hdr->length);
2758 		if (hdr_len > 0)
2759 			rep->entries_available = hdr_len / sizeof(*desc);
2760 		else
2761 			rep->entries_available = 0;
2762 		/*
2763 		 * NOTE: using the same values for the BIO version of the
2764 		 * same field as the SCSI/ATA values.  This means we could
2765 		 * get some additional values that aren't defined in bio.h
2766 		 * if more values of the same field are defined later.
2767 		 */
2768 		rep->header.same = hdr->byte4 & SRZ_SAME_MASK;
2769 		rep->header.maximum_lba = le64dec(hdr->maximum_lba);
2770 		/*
2771 		 * If the drive reports no entries that match the query,
2772 		 * we're done.
2773 		 */
2774 		if (hdr_len == 0) {
2775 			rep->entries_filled = 0;
2776 			bp->bio_resid = bp->bio_bcount;
2777 			break;
2778 		}
2779 
2780 		num_avail = min((avail_len - sizeof(*hdr)) / sizeof(*desc),
2781 				hdr_len / sizeof(*desc));
2782 		/*
2783 		 * If the drive didn't return any data, then we're done.
2784 		 */
2785 		if (num_avail == 0) {
2786 			rep->entries_filled = 0;
2787 			bp->bio_resid = bp->bio_bcount;
2788 			break;
2789 		}
2790 
2791 		num_to_fill = min(num_avail, rep->entries_allocated);
2792 		/*
2793 		 * If the user didn't allocate any entries for us to fill,
2794 		 * we're done.
2795 		 */
2796 		if (num_to_fill == 0) {
2797 			rep->entries_filled = 0;
2798 			bp->bio_resid = bp->bio_bcount;
2799 			break;
2800 		}
2801 
2802 		for (i = 0, desc = &hdr->desc_list[0], entry=&rep->entries[0];
2803 		     i < num_to_fill; i++, desc++, entry++) {
2804 			/*
2805 			 * NOTE: we're mapping the values here directly
2806 			 * from the SCSI/ATA bit definitions to the bio.h
2807 			 * definitions.  There is also a warning in
2808 			 * disk_zone.h, but the impact is that if
2809 			 * additional values are added in the SCSI/ATA
2810 			 * specs these will be visible to consumers of
2811 			 * this interface.
2812 			 */
2813 			entry->zone_type = desc->zone_type & SRZ_TYPE_MASK;
2814 			entry->zone_condition =
2815 			    (desc->zone_flags & SRZ_ZONE_COND_MASK) >>
2816 			    SRZ_ZONE_COND_SHIFT;
2817 			entry->zone_flags |= desc->zone_flags &
2818 			    (SRZ_ZONE_NON_SEQ|SRZ_ZONE_RESET);
2819 			entry->zone_length = le64dec(desc->zone_length);
2820 			entry->zone_start_lba = le64dec(desc->zone_start_lba);
2821 			entry->write_pointer_lba =
2822 			    le64dec(desc->write_pointer_lba);
2823 		}
2824 		rep->entries_filled = num_to_fill;
2825 		/*
2826 		 * Note that this residual is accurate from the user's
2827 		 * standpoint, but the amount transferred isn't accurate
2828 		 * from the standpoint of what actually came back from the
2829 		 * drive.
2830 		 */
2831 		bp->bio_resid = bp->bio_bcount - (num_to_fill * sizeof(*entry));
2832 		break;
2833 	}
2834 	case DISK_ZONE_GET_PARAMS:
2835 	default:
2836 		/*
2837 		 * In theory we should not get a GET_PARAMS bio, since it
2838 		 * should be handled without queueing the command to the
2839 		 * drive.
2840 		 */
2841 		panic("%s: Invalid zone command %d", __func__,
2842 		    bp->bio_zone.zone_cmd);
2843 		break;
2844 	}
2845 
2846 	if (bp->bio_zone.zone_cmd == DISK_ZONE_REPORT_ZONES)
2847 		free(ccb->ataio.data_ptr, M_ATADA);
2848 }
2849 
2850 static void
2851 adadone(struct cam_periph *periph, union ccb *done_ccb)
2852 {
2853 	struct ada_softc *softc;
2854 	struct ccb_ataio *ataio;
2855 	struct cam_path *path;
2856 	uint32_t priority;
2857 	int state;
2858 
2859 	softc = (struct ada_softc *)periph->softc;
2860 	ataio = &done_ccb->ataio;
2861 	path = done_ccb->ccb_h.path;
2862 	priority = done_ccb->ccb_h.pinfo.priority;
2863 
2864 	CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n"));
2865 
2866 	state = ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK;
2867 	switch (state) {
2868 	case ADA_CCB_BUFFER_IO:
2869 	case ADA_CCB_TRIM:
2870 	{
2871 		struct bio *bp;
2872 		int error;
2873 
2874 		cam_periph_lock(periph);
2875 		bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2876 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2877 			error = adaerror(done_ccb, CAM_RETRY_SELTO, 0);
2878 			if (error == ERESTART) {
2879 				/* A retry was scheduled, so just return. */
2880 				cam_periph_unlock(periph);
2881 				return;
2882 			}
2883 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
2884 				cam_release_devq(path,
2885 						 /*relsim_flags*/0,
2886 						 /*reduction*/0,
2887 						 /*timeout*/0,
2888 						 /*getcount_only*/0);
2889 			/*
2890 			 * If we get an error on an NCQ DSM TRIM, fall back
2891 			 * to a non-NCQ DSM TRIM forever. Please note that if
2892 			 * CAN_NCQ_TRIM is set, CAN_TRIM is necessarily set too.
2893 			 * However, for this one trim, we treat it as advisory
2894 			 * and return success up the stack.
2895 			 */
2896 			if (state == ADA_CCB_TRIM &&
2897 			    error != 0 &&
2898 			    (softc->flags & ADA_FLAG_CAN_NCQ_TRIM) != 0) {
2899 				softc->flags &= ~ADA_FLAG_CAN_NCQ_TRIM;
2900 				error = 0;
2901 				adasetdeletemethod(softc);
2902 			}
2903 		} else {
2904 			if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
2905 				panic("REQ_CMP with QFRZN");
2906 
2907 			error = 0;
2908 		}
2909 		bp->bio_error = error;
2910 		if (error != 0) {
2911 			bp->bio_resid = bp->bio_bcount;
2912 			bp->bio_flags |= BIO_ERROR;
2913 		} else {
2914 			if (bp->bio_cmd == BIO_ZONE)
2915 				adazonedone(periph, done_ccb);
2916 			else if (state == ADA_CCB_TRIM)
2917 				bp->bio_resid = 0;
2918 			else
2919 				bp->bio_resid = ataio->resid;
2920 
2921 			if ((bp->bio_resid > 0)
2922 			 && (bp->bio_cmd != BIO_ZONE))
2923 				bp->bio_flags |= BIO_ERROR;
2924 		}
2925 		softc->outstanding_cmds--;
2926 		if (softc->outstanding_cmds == 0)
2927 			softc->flags |= ADA_FLAG_WAS_OTAG;
2928 
2929 		/*
2930 		 * We need to call cam_iosched before we call biodone so that we
2931 		 * don't measure any activity that happens in the completion
2932 		 * routine, which in the case of sendfile can be quite
2933 		 * extensive.  Release the periph refcount taken in adastart()
2934 		 * for each CCB.
2935 		 */
2936 		cam_iosched_bio_complete(softc->cam_iosched, bp, done_ccb);
2937 		xpt_release_ccb(done_ccb);
2938 		KASSERT(softc->refcount >= 1, ("adadone softc %p refcount %d", softc, softc->refcount));
2939 		softc->refcount--;
2940 		if (state == ADA_CCB_TRIM) {
2941 			TAILQ_HEAD(, bio) queue;
2942 			struct bio *bp1;
2943 
2944 			TAILQ_INIT(&queue);
2945 			TAILQ_CONCAT(&queue, &softc->trim_req.bps, bio_queue);
2946 			/*
2947 			 * Normally, the xpt_release_ccb() above would make sure
2948 			 * that when we have more work to do, that work would
2949 			 * get kicked off. However, we specifically keep
2950 			 * trim_running set to 0 before the call above to allow
2951 			 * other I/O to progress when many BIO_DELETE requests
2952 			 * are pushed down. We set trim_running to 0 and call
2953 			 * daschedule again so that we don't stall if there are
2954 			 * no other I/Os pending apart from BIO_DELETEs.
2955 			 */
2956 			cam_iosched_trim_done(softc->cam_iosched);
2957 			adaschedule(periph);
2958 			cam_periph_unlock(periph);
2959 			while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
2960 				TAILQ_REMOVE(&queue, bp1, bio_queue);
2961 				bp1->bio_error = error;
2962 				if (error != 0) {
2963 					bp1->bio_flags |= BIO_ERROR;
2964 					bp1->bio_resid = bp1->bio_bcount;
2965 				} else
2966 					bp1->bio_resid = 0;
2967 				biodone(bp1);
2968 			}
2969 		} else {
2970 			adaschedule(periph);
2971 			cam_periph_unlock(periph);
2972 			biodone(bp);
2973 		}
2974 		return;
2975 	}
2976 	case ADA_CCB_RAHEAD:
2977 	{
2978 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2979 			if (adaerror(done_ccb, 0, 0) == ERESTART) {
2980 				/* Drop freeze taken due to CAM_DEV_QFREEZE */
2981 				cam_release_devq(path, 0, 0, 0, FALSE);
2982 				return;
2983 			} else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
2984 				cam_release_devq(path,
2985 				    /*relsim_flags*/0,
2986 				    /*reduction*/0,
2987 				    /*timeout*/0,
2988 				    /*getcount_only*/0);
2989 			}
2990 		}
2991 
2992 		xpt_release_ccb(done_ccb);
2993 		softc->state = ADA_STATE_WCACHE;
2994 		xpt_schedule(periph, priority);
2995 		/* Drop freeze taken due to CAM_DEV_QFREEZE */
2996 		cam_release_devq(path, 0, 0, 0, FALSE);
2997 		return;
2998 	}
2999 	case ADA_CCB_WCACHE:
3000 	{
3001 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3002 			if (adaerror(done_ccb, 0, 0) == ERESTART) {
3003 				/* Drop freeze taken due to CAM_DEV_QFREEZE */
3004 				cam_release_devq(path, 0, 0, 0, FALSE);
3005 				return;
3006 			} else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3007 				cam_release_devq(path,
3008 				    /*relsim_flags*/0,
3009 				    /*reduction*/0,
3010 				    /*timeout*/0,
3011 				    /*getcount_only*/0);
3012 			}
3013 		}
3014 
3015 		/* Drop freeze taken due to CAM_DEV_QFREEZE */
3016 		cam_release_devq(path, 0, 0, 0, FALSE);
3017 
3018 		if ((softc->flags & ADA_FLAG_CAN_LOG)
3019 		 && (softc->zone_mode != ADA_ZONE_NONE)) {
3020 			xpt_release_ccb(done_ccb);
3021 			softc->state = ADA_STATE_LOGDIR;
3022 			xpt_schedule(periph, priority);
3023 		} else {
3024 			adaprobedone(periph, done_ccb);
3025 		}
3026 		return;
3027 	}
3028 	case ADA_CCB_LOGDIR:
3029 	{
3030 		int error;
3031 
3032 		if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3033 			error = 0;
3034 			softc->valid_logdir_len = 0;
3035 			bzero(&softc->ata_logdir, sizeof(softc->ata_logdir));
3036 			softc->valid_logdir_len =
3037 				ataio->dxfer_len - ataio->resid;
3038 			if (softc->valid_logdir_len > 0)
3039 				bcopy(ataio->data_ptr, &softc->ata_logdir,
3040 				    min(softc->valid_logdir_len,
3041 					sizeof(softc->ata_logdir)));
3042 			/*
3043 			 * Figure out whether the Identify Device log is
3044 			 * supported.  The General Purpose log directory
3045 			 * has a header, and lists the number of pages
3046 			 * available for each GP log identified by the
3047 			 * offset into the list.
3048 			 */
3049 			if ((softc->valid_logdir_len >=
3050 			    ((ATA_IDENTIFY_DATA_LOG + 1) * sizeof(uint16_t)))
3051 			 && (le16dec(softc->ata_logdir.header) ==
3052 			     ATA_GP_LOG_DIR_VERSION)
3053 			 && (le16dec(&softc->ata_logdir.num_pages[
3054 			     (ATA_IDENTIFY_DATA_LOG *
3055 			     sizeof(uint16_t)) - sizeof(uint16_t)]) > 0)){
3056 				softc->flags |= ADA_FLAG_CAN_IDLOG;
3057 			} else {
3058 				softc->flags &= ~ADA_FLAG_CAN_IDLOG;
3059 			}
3060 		} else {
3061 			error = adaerror(done_ccb, CAM_RETRY_SELTO,
3062 					 SF_RETRY_UA|SF_NO_PRINT);
3063 			if (error == ERESTART)
3064 				return;
3065 			else if (error != 0) {
3066 				/*
3067 				 * If we can't get the ATA log directory,
3068 				 * then ATA logs are effectively not
3069 				 * supported even if the bit is set in the
3070 				 * identify data.
3071 				 */
3072 				softc->flags &= ~(ADA_FLAG_CAN_LOG |
3073 						  ADA_FLAG_CAN_IDLOG);
3074 				if ((done_ccb->ccb_h.status &
3075 				     CAM_DEV_QFRZN) != 0) {
3076 					/* Don't wedge this device's queue */
3077 					cam_release_devq(done_ccb->ccb_h.path,
3078 							 /*relsim_flags*/0,
3079 							 /*reduction*/0,
3080 							 /*timeout*/0,
3081 							 /*getcount_only*/0);
3082 				}
3083 			}
3084 		}
3085 
3086 		free(ataio->data_ptr, M_ATADA);
3087 
3088 		if ((error == 0)
3089 		 && (softc->flags & ADA_FLAG_CAN_IDLOG)) {
3090 			softc->state = ADA_STATE_IDDIR;
3091 			xpt_release_ccb(done_ccb);
3092 			xpt_schedule(periph, priority);
3093 		} else
3094 			adaprobedone(periph, done_ccb);
3095 
3096 		return;
3097 	}
3098 	case ADA_CCB_IDDIR: {
3099 		int error;
3100 
3101 		if ((ataio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3102 			off_t entries_offset, max_entries;
3103 			error = 0;
3104 
3105 			softc->valid_iddir_len = 0;
3106 			bzero(&softc->ata_iddir, sizeof(softc->ata_iddir));
3107 			softc->flags &= ~(ADA_FLAG_CAN_SUPCAP |
3108 					  ADA_FLAG_CAN_ZONE);
3109 			softc->valid_iddir_len =
3110 				ataio->dxfer_len - ataio->resid;
3111 			if (softc->valid_iddir_len > 0)
3112 				bcopy(ataio->data_ptr, &softc->ata_iddir,
3113 				    min(softc->valid_iddir_len,
3114 					sizeof(softc->ata_iddir)));
3115 
3116 			entries_offset =
3117 			    __offsetof(struct ata_identify_log_pages,entries);
3118 			max_entries = softc->valid_iddir_len - entries_offset;
3119 			if ((softc->valid_iddir_len > (entries_offset + 1))
3120 			 && (le64dec(softc->ata_iddir.header) ==
3121 			     ATA_IDLOG_REVISION)
3122 			 && (softc->ata_iddir.entry_count > 0)) {
3123 				int num_entries, i;
3124 
3125 				num_entries = softc->ata_iddir.entry_count;
3126 				num_entries = min(num_entries,
3127 				   softc->valid_iddir_len - entries_offset);
3128 				for (i = 0; i < num_entries &&
3129 				     i < max_entries; i++) {
3130 					if (softc->ata_iddir.entries[i] ==
3131 					    ATA_IDL_SUP_CAP)
3132 						softc->flags |=
3133 						    ADA_FLAG_CAN_SUPCAP;
3134 					else if (softc->ata_iddir.entries[i]==
3135 						 ATA_IDL_ZDI)
3136 						softc->flags |=
3137 						    ADA_FLAG_CAN_ZONE;
3138 
3139 					if ((softc->flags &
3140 					     ADA_FLAG_CAN_SUPCAP)
3141 					 && (softc->flags &
3142 					     ADA_FLAG_CAN_ZONE))
3143 						break;
3144 				}
3145 			}
3146 		} else {
3147 			error = adaerror(done_ccb, CAM_RETRY_SELTO,
3148 					 SF_RETRY_UA|SF_NO_PRINT);
3149 			if (error == ERESTART)
3150 				return;
3151 			else if (error != 0) {
3152 				/*
3153 				 * If we can't get the ATA Identify Data log
3154 				 * directory, then it effectively isn't
3155 				 * supported even if the ATA Log directory
3156 				 * a non-zero number of pages present for
3157 				 * this log.
3158 				 */
3159 				softc->flags &= ~ADA_FLAG_CAN_IDLOG;
3160 				if ((done_ccb->ccb_h.status &
3161 				     CAM_DEV_QFRZN) != 0) {
3162 					/* Don't wedge this device's queue */
3163 					cam_release_devq(done_ccb->ccb_h.path,
3164 							 /*relsim_flags*/0,
3165 							 /*reduction*/0,
3166 							 /*timeout*/0,
3167 							 /*getcount_only*/0);
3168 				}
3169 			}
3170 		}
3171 
3172 		free(ataio->data_ptr, M_ATADA);
3173 
3174 		if ((error == 0)
3175 		 && (softc->flags & ADA_FLAG_CAN_SUPCAP)) {
3176 			softc->state = ADA_STATE_SUP_CAP;
3177 			xpt_release_ccb(done_ccb);
3178 			xpt_schedule(periph, priority);
3179 		} else
3180 			adaprobedone(periph, done_ccb);
3181 		return;
3182 	}
3183 	case ADA_CCB_SUP_CAP: {
3184 		int error;
3185 
3186 		if ((ataio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3187 			uint32_t valid_len;
3188 			size_t needed_size;
3189 			struct ata_identify_log_sup_cap *sup_cap;
3190 			error = 0;
3191 
3192 			sup_cap = (struct ata_identify_log_sup_cap *)
3193 			    ataio->data_ptr;
3194 			valid_len = ataio->dxfer_len - ataio->resid;
3195 			needed_size =
3196 			    __offsetof(struct ata_identify_log_sup_cap,
3197 			    sup_zac_cap) + 1 + sizeof(sup_cap->sup_zac_cap);
3198 			if (valid_len >= needed_size) {
3199 				uint64_t zoned, zac_cap;
3200 
3201 				zoned = le64dec(sup_cap->zoned_cap);
3202 				if (zoned & ATA_ZONED_VALID) {
3203 					/*
3204 					 * This should have already been
3205 					 * set, because this is also in the
3206 					 * ATA identify data.
3207 					 */
3208 					if ((zoned & ATA_ZONED_MASK) ==
3209 					    ATA_SUPPORT_ZONE_HOST_AWARE)
3210 						softc->zone_mode =
3211 						    ADA_ZONE_HOST_AWARE;
3212 					else if ((zoned & ATA_ZONED_MASK) ==
3213 					    ATA_SUPPORT_ZONE_DEV_MANAGED)
3214 						softc->zone_mode =
3215 						    ADA_ZONE_DRIVE_MANAGED;
3216 				}
3217 
3218 				zac_cap = le64dec(sup_cap->sup_zac_cap);
3219 				if (zac_cap & ATA_SUP_ZAC_CAP_VALID) {
3220 					if (zac_cap & ATA_REPORT_ZONES_SUP)
3221 						softc->zone_flags |=
3222 						    ADA_ZONE_FLAG_RZ_SUP;
3223 					if (zac_cap & ATA_ND_OPEN_ZONE_SUP)
3224 						softc->zone_flags |=
3225 						    ADA_ZONE_FLAG_OPEN_SUP;
3226 					if (zac_cap & ATA_ND_CLOSE_ZONE_SUP)
3227 						softc->zone_flags |=
3228 						    ADA_ZONE_FLAG_CLOSE_SUP;
3229 					if (zac_cap & ATA_ND_FINISH_ZONE_SUP)
3230 						softc->zone_flags |=
3231 						    ADA_ZONE_FLAG_FINISH_SUP;
3232 					if (zac_cap & ATA_ND_RWP_SUP)
3233 						softc->zone_flags |=
3234 						    ADA_ZONE_FLAG_RWP_SUP;
3235 				} else {
3236 					/*
3237 					 * This field was introduced in
3238 					 * ACS-4, r08 on April 28th, 2015.
3239 					 * If the drive firmware was written
3240 					 * to an earlier spec, it won't have
3241 					 * the field.  So, assume all
3242 					 * commands are supported.
3243 					 */
3244 					softc->zone_flags |=
3245 					    ADA_ZONE_FLAG_SUP_MASK;
3246 				}
3247 			}
3248 		} else {
3249 			error = adaerror(done_ccb, CAM_RETRY_SELTO,
3250 					 SF_RETRY_UA|SF_NO_PRINT);
3251 			if (error == ERESTART)
3252 				return;
3253 			else if (error != 0) {
3254 				/*
3255 				 * If we can't get the ATA Identify Data
3256 				 * Supported Capabilities page, clear the
3257 				 * flag...
3258 				 */
3259 				softc->flags &= ~ADA_FLAG_CAN_SUPCAP;
3260 				/*
3261 				 * And clear zone capabilities.
3262 				 */
3263 				softc->zone_flags &= ~ADA_ZONE_FLAG_SUP_MASK;
3264 				if ((done_ccb->ccb_h.status &
3265 				     CAM_DEV_QFRZN) != 0) {
3266 					/* Don't wedge this device's queue */
3267 					cam_release_devq(done_ccb->ccb_h.path,
3268 							 /*relsim_flags*/0,
3269 							 /*reduction*/0,
3270 							 /*timeout*/0,
3271 							 /*getcount_only*/0);
3272 				}
3273 			}
3274 		}
3275 
3276 		free(ataio->data_ptr, M_ATADA);
3277 
3278 		if ((error == 0)
3279 		 && (softc->flags & ADA_FLAG_CAN_ZONE)) {
3280 			softc->state = ADA_STATE_ZONE;
3281 			xpt_release_ccb(done_ccb);
3282 			xpt_schedule(periph, priority);
3283 		} else
3284 			adaprobedone(periph, done_ccb);
3285 		return;
3286 	}
3287 	case ADA_CCB_ZONE: {
3288 		int error;
3289 
3290 		if ((ataio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3291 			struct ata_zoned_info_log *zi_log;
3292 			uint32_t valid_len;
3293 			size_t needed_size;
3294 
3295 			zi_log = (struct ata_zoned_info_log *)ataio->data_ptr;
3296 
3297 			valid_len = ataio->dxfer_len - ataio->resid;
3298 			needed_size = __offsetof(struct ata_zoned_info_log,
3299 			    version_info) + 1 + sizeof(zi_log->version_info);
3300 			if (valid_len >= needed_size) {
3301 				uint64_t tmpvar;
3302 
3303 				tmpvar = le64dec(zi_log->zoned_cap);
3304 				if (tmpvar & ATA_ZDI_CAP_VALID) {
3305 					if (tmpvar & ATA_ZDI_CAP_URSWRZ)
3306 						softc->zone_flags |=
3307 						    ADA_ZONE_FLAG_URSWRZ;
3308 					else
3309 						softc->zone_flags &=
3310 						    ~ADA_ZONE_FLAG_URSWRZ;
3311 				}
3312 				tmpvar = le64dec(zi_log->optimal_seq_zones);
3313 				if (tmpvar & ATA_ZDI_OPT_SEQ_VALID) {
3314 					softc->zone_flags |=
3315 					    ADA_ZONE_FLAG_OPT_SEQ_SET;
3316 					softc->optimal_seq_zones = (tmpvar &
3317 					    ATA_ZDI_OPT_SEQ_MASK);
3318 				} else {
3319 					softc->zone_flags &=
3320 					    ~ADA_ZONE_FLAG_OPT_SEQ_SET;
3321 					softc->optimal_seq_zones = 0;
3322 				}
3323 
3324 				tmpvar =le64dec(zi_log->optimal_nonseq_zones);
3325 				if (tmpvar & ATA_ZDI_OPT_NS_VALID) {
3326 					softc->zone_flags |=
3327 					    ADA_ZONE_FLAG_OPT_NONSEQ_SET;
3328 					softc->optimal_nonseq_zones =
3329 					    (tmpvar & ATA_ZDI_OPT_NS_MASK);
3330 				} else {
3331 					softc->zone_flags &=
3332 					    ~ADA_ZONE_FLAG_OPT_NONSEQ_SET;
3333 					softc->optimal_nonseq_zones = 0;
3334 				}
3335 
3336 				tmpvar = le64dec(zi_log->max_seq_req_zones);
3337 				if (tmpvar & ATA_ZDI_MAX_SEQ_VALID) {
3338 					softc->zone_flags |=
3339 					    ADA_ZONE_FLAG_MAX_SEQ_SET;
3340 					softc->max_seq_zones =
3341 					    (tmpvar & ATA_ZDI_MAX_SEQ_MASK);
3342 				} else {
3343 					softc->zone_flags &=
3344 					    ~ADA_ZONE_FLAG_MAX_SEQ_SET;
3345 					softc->max_seq_zones = 0;
3346 				}
3347 			}
3348 		} else {
3349 			error = adaerror(done_ccb, CAM_RETRY_SELTO,
3350 					 SF_RETRY_UA|SF_NO_PRINT);
3351 			if (error == ERESTART)
3352 				return;
3353 			else if (error != 0) {
3354 				softc->flags &= ~ADA_FLAG_CAN_ZONE;
3355 				softc->flags &= ~ADA_ZONE_FLAG_SET_MASK;
3356 
3357 				if ((done_ccb->ccb_h.status &
3358 				     CAM_DEV_QFRZN) != 0) {
3359 					/* Don't wedge this device's queue */
3360 					cam_release_devq(done_ccb->ccb_h.path,
3361 							 /*relsim_flags*/0,
3362 							 /*reduction*/0,
3363 							 /*timeout*/0,
3364 							 /*getcount_only*/0);
3365 				}
3366 			}
3367 		}
3368 		free(ataio->data_ptr, M_ATADA);
3369 
3370 		adaprobedone(periph, done_ccb);
3371 		return;
3372 	}
3373 	case ADA_CCB_DUMP:
3374 		/* No-op.  We're polling */
3375 		return;
3376 	default:
3377 		break;
3378 	}
3379 	xpt_release_ccb(done_ccb);
3380 }
3381 
3382 static int
3383 adaerror(union ccb *ccb, uint32_t cam_flags, uint32_t sense_flags)
3384 {
3385 #ifdef CAM_IO_STATS
3386 	struct ada_softc *softc;
3387 	struct cam_periph *periph;
3388 
3389 	periph = xpt_path_periph(ccb->ccb_h.path);
3390 	softc = (struct ada_softc *)periph->softc;
3391 
3392 	switch (ccb->ccb_h.status & CAM_STATUS_MASK) {
3393 	case CAM_CMD_TIMEOUT:
3394 		softc->timeouts++;
3395 		break;
3396 	case CAM_REQ_ABORTED:
3397 	case CAM_REQ_CMP_ERR:
3398 	case CAM_REQ_TERMIO:
3399 	case CAM_UNREC_HBA_ERROR:
3400 	case CAM_DATA_RUN_ERR:
3401 	case CAM_ATA_STATUS_ERROR:
3402 		softc->errors++;
3403 		break;
3404 	default:
3405 		break;
3406 	}
3407 #endif
3408 
3409 	return(cam_periph_error(ccb, cam_flags, sense_flags));
3410 }
3411 
3412 static void
3413 adasetgeom(struct ada_softc *softc, struct ccb_getdev *cgd)
3414 {
3415 	struct disk_params *dp = &softc->params;
3416 	uint64_t lbasize48;
3417 	uint32_t lbasize;
3418 	u_int maxio, d_flags;
3419 	size_t tmpsize;
3420 
3421 	dp->secsize = ata_logical_sector_size(&cgd->ident_data);
3422 	if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) &&
3423 	    cgd->ident_data.current_heads != 0 &&
3424 	    cgd->ident_data.current_sectors != 0) {
3425 		dp->heads = cgd->ident_data.current_heads;
3426 		dp->secs_per_track = cgd->ident_data.current_sectors;
3427 		dp->cylinders = cgd->ident_data.cylinders;
3428 		dp->sectors = (uint32_t)cgd->ident_data.current_size_1 |
3429 			  ((uint32_t)cgd->ident_data.current_size_2 << 16);
3430 	} else {
3431 		dp->heads = cgd->ident_data.heads;
3432 		dp->secs_per_track = cgd->ident_data.sectors;
3433 		dp->cylinders = cgd->ident_data.cylinders;
3434 		dp->sectors = cgd->ident_data.cylinders *
3435 			      (uint32_t)(dp->heads * dp->secs_per_track);
3436 	}
3437 	lbasize = (uint32_t)cgd->ident_data.lba_size_1 |
3438 		  ((uint32_t)cgd->ident_data.lba_size_2 << 16);
3439 
3440 	/* use the 28bit LBA size if valid or bigger than the CHS mapping */
3441 	if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize)
3442 		dp->sectors = lbasize;
3443 
3444 	/* use the 48bit LBA size if valid */
3445 	lbasize48 = ((uint64_t)cgd->ident_data.lba_size48_1) |
3446 		    ((uint64_t)cgd->ident_data.lba_size48_2 << 16) |
3447 		    ((uint64_t)cgd->ident_data.lba_size48_3 << 32) |
3448 		    ((uint64_t)cgd->ident_data.lba_size48_4 << 48);
3449 	if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) &&
3450 	    lbasize48 > ATA_MAX_28BIT_LBA)
3451 		dp->sectors = lbasize48;
3452 
3453 	maxio = softc->cpi.maxio;		/* Honor max I/O size of SIM */
3454 	if (maxio == 0)
3455 		maxio = DFLTPHYS;	/* traditional default */
3456 	else if (maxio > maxphys)
3457 		maxio = maxphys;	/* for safety */
3458 	if (softc->flags & ADA_FLAG_CAN_48BIT)
3459 		maxio = min(maxio, 65536 * softc->params.secsize);
3460 	else					/* 28bit ATA command limit */
3461 		maxio = min(maxio, 256 * softc->params.secsize);
3462 	if (softc->quirks & ADA_Q_128KB)
3463 		maxio = min(maxio, 128 * 1024);
3464 	softc->disk->d_maxsize = maxio;
3465 	d_flags = DISKFLAG_DIRECT_COMPLETION | DISKFLAG_CANZONE;
3466 	if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE)
3467 		d_flags |= DISKFLAG_CANFLUSHCACHE;
3468 	if (softc->flags & ADA_FLAG_CAN_TRIM) {
3469 		d_flags |= DISKFLAG_CANDELETE;
3470 		softc->disk->d_delmaxsize = softc->params.secsize *
3471 		    ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
3472 	} else if ((softc->flags & ADA_FLAG_CAN_CFA) &&
3473 	    !(softc->flags & ADA_FLAG_CAN_48BIT)) {
3474 		d_flags |= DISKFLAG_CANDELETE;
3475 		softc->disk->d_delmaxsize = 256 * softc->params.secsize;
3476 	} else
3477 		softc->disk->d_delmaxsize = maxio;
3478 	if ((softc->cpi.hba_misc & PIM_UNMAPPED) != 0) {
3479 		d_flags |= DISKFLAG_UNMAPPED_BIO;
3480 		softc->flags |= ADA_FLAG_UNMAPPEDIO;
3481 	}
3482 	softc->disk->d_flags = d_flags;
3483 
3484 	/*
3485 	 * ata_param_fixup will strip trailing padding spaces and add a NUL,
3486 	 * but if the field has no padding (as is common for serial numbers)
3487 	 * there will still be no NUL terminator. We cannot use strlcpy, since
3488 	 * it keeps reading src until it finds a NUL in order to compute the
3489 	 * return value (and will truncate the final character due to having a
3490 	 * single dsize rather than separate ssize and dsize), and strncpy does
3491 	 * not add a NUL to the destination if it reaches the character limit.
3492 	 */
3493 	tmpsize = MIN(sizeof(softc->disk->d_descr) - 1,
3494 	    sizeof(cgd->ident_data.model));
3495 	memcpy(softc->disk->d_descr, cgd->ident_data.model, tmpsize);
3496 	softc->disk->d_descr[tmpsize] = '\0';
3497 
3498 	tmpsize = MIN(sizeof(softc->disk->d_ident) - 1,
3499 	    sizeof(cgd->ident_data.serial));
3500 	memcpy(softc->disk->d_ident, cgd->ident_data.serial, tmpsize);
3501 	softc->disk->d_ident[tmpsize] = '\0';
3502 
3503 	softc->disk->d_sectorsize = softc->params.secsize;
3504 	softc->disk->d_mediasize = (off_t)softc->params.sectors *
3505 	    softc->params.secsize;
3506 	if (ata_physical_sector_size(&cgd->ident_data) !=
3507 	    softc->params.secsize) {
3508 		softc->disk->d_stripesize =
3509 		    ata_physical_sector_size(&cgd->ident_data);
3510 		softc->disk->d_stripeoffset = (softc->disk->d_stripesize -
3511 		    ata_logical_sector_offset(&cgd->ident_data)) %
3512 		    softc->disk->d_stripesize;
3513 	} else if (softc->quirks & ADA_Q_4K) {
3514 		softc->disk->d_stripesize = 4096;
3515 		softc->disk->d_stripeoffset = 0;
3516 	}
3517 	softc->disk->d_fwsectors = softc->params.secs_per_track;
3518 	softc->disk->d_fwheads = softc->params.heads;
3519 	softc->disk->d_rotation_rate = cgd->ident_data.media_rotation_rate;
3520 	snprintf(softc->disk->d_attachment, sizeof(softc->disk->d_attachment),
3521 	    "%s%d", softc->cpi.dev_name, softc->cpi.unit_number);
3522 }
3523 
3524 static void
3525 adasendorderedtag(void *arg)
3526 {
3527 	struct ada_softc *softc = arg;
3528 
3529 	if (ada_send_ordered) {
3530 		if (softc->outstanding_cmds > 0) {
3531 			if ((softc->flags & ADA_FLAG_WAS_OTAG) == 0)
3532 				softc->flags |= ADA_FLAG_NEED_OTAG;
3533 			softc->flags &= ~ADA_FLAG_WAS_OTAG;
3534 		}
3535 	}
3536 
3537 	/* Queue us up again */
3538 	callout_schedule_sbt(&softc->sendordered_c,
3539 	    SBT_1S / ADA_ORDEREDTAG_INTERVAL * ada_default_timeout, 0,
3540 	    C_PREL(1));
3541 }
3542 
3543 /*
3544  * Step through all ADA peripheral drivers, and if the device is still open,
3545  * sync the disk cache to physical media.
3546  */
3547 static void
3548 adaflush(void)
3549 {
3550 	struct cam_periph *periph;
3551 	struct ada_softc *softc;
3552 	union ccb *ccb;
3553 	int error;
3554 
3555 	CAM_PERIPH_FOREACH(periph, &adadriver) {
3556 		softc = (struct ada_softc *)periph->softc;
3557 		if (SCHEDULER_STOPPED()) {
3558 			/* If we panicked with the lock held, do not recurse. */
3559 			if (!cam_periph_owned(periph) &&
3560 			    (softc->flags & ADA_FLAG_OPEN)) {
3561 				adadump(softc->disk, NULL, 0, 0);
3562 			}
3563 			continue;
3564 		}
3565 		cam_periph_lock(periph);
3566 		/*
3567 		 * We only sync the cache if the drive is still open, and
3568 		 * if the drive is capable of it..
3569 		 */
3570 		if (((softc->flags & ADA_FLAG_OPEN) == 0) ||
3571 		    (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) {
3572 			cam_periph_unlock(periph);
3573 			continue;
3574 		}
3575 
3576 		ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3577 		cam_fill_ataio(&ccb->ataio,
3578 				    0,
3579 				    NULL,
3580 				    CAM_DIR_NONE,
3581 				    0,
3582 				    NULL,
3583 				    0,
3584 				    ada_default_timeout*1000);
3585 		if (softc->flags & ADA_FLAG_CAN_48BIT)
3586 			ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0);
3587 		else
3588 			ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0);
3589 
3590 		error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0,
3591 		    /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY,
3592 		    softc->disk->d_devstat);
3593 		if (error != 0)
3594 			xpt_print(periph->path, "Synchronize cache failed\n");
3595 		xpt_release_ccb(ccb);
3596 		cam_periph_unlock(periph);
3597 	}
3598 }
3599 
3600 static void
3601 adaspindown(uint8_t cmd, int flags)
3602 {
3603 	struct cam_periph *periph;
3604 	struct ada_softc *softc;
3605 	struct ccb_ataio local_ccb;
3606 	int error;
3607 	int mode;
3608 
3609 	CAM_PERIPH_FOREACH(periph, &adadriver) {
3610 		/* If we panicked with lock held - not recurse here. */
3611 		if (cam_periph_owned(periph))
3612 			continue;
3613 		cam_periph_lock(periph);
3614 		softc = (struct ada_softc *)periph->softc;
3615 		/*
3616 		 * We only spin-down the drive if it is capable of it..
3617 		 */
3618 		if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) {
3619 			cam_periph_unlock(periph);
3620 			continue;
3621 		}
3622 
3623 		/*
3624 		 * Additionally check if we would spin up the drive instead of
3625 		 * spinning it down.
3626 		 */
3627 		if (cmd == ATA_IDLE_IMMEDIATE) {
3628 			memset(&local_ccb, 0, sizeof(local_ccb));
3629 			xpt_setup_ccb(&local_ccb.ccb_h, periph->path,
3630 			    CAM_PRIORITY_NORMAL);
3631 			local_ccb.ccb_h.ccb_state = ADA_CCB_DUMP;
3632 
3633 			cam_fill_ataio(&local_ccb, 0, NULL, CAM_DIR_NONE,
3634 			    0, NULL, 0, ada_default_timeout * 1000);
3635 			ata_28bit_cmd(&local_ccb, ATA_CHECK_POWER_MODE,
3636 			    0, 0, 0);
3637 			local_ccb.cmd.flags |= CAM_ATAIO_NEEDRESULT;
3638 
3639 			error = cam_periph_runccb((union ccb *)&local_ccb,
3640 			    adaerror, /*cam_flags*/0,
3641 			    /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY,
3642 			    softc->disk->d_devstat);
3643 			if (error != 0) {
3644 				xpt_print(periph->path,
3645 				    "Failed to read current power mode\n");
3646 			} else {
3647 				mode = local_ccb.res.sector_count;
3648 #ifdef DIAGNOSTIC
3649 				if (bootverbose) {
3650 					xpt_print(periph->path,
3651 					    "disk power mode 0x%02x\n", mode);
3652 				}
3653 #endif
3654 				switch (mode) {
3655 				case ATA_PM_STANDBY:
3656 				case ATA_PM_STANDBY_Y:
3657 					if (bootverbose) {
3658 						xpt_print(periph->path,
3659 						    "already spun down\n");
3660 					}
3661 					cam_periph_unlock(periph);
3662 					continue;
3663 				default:
3664 					break;
3665 				}
3666 			}
3667 		}
3668 
3669 		if (bootverbose)
3670 			xpt_print(periph->path, "spin-down\n");
3671 
3672 		memset(&local_ccb, 0, sizeof(local_ccb));
3673 		xpt_setup_ccb(&local_ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3674 		local_ccb.ccb_h.ccb_state = ADA_CCB_DUMP;
3675 
3676 		cam_fill_ataio(&local_ccb,
3677 				    0,
3678 				    NULL,
3679 				    CAM_DIR_NONE | flags,
3680 				    0,
3681 				    NULL,
3682 				    0,
3683 				    ada_default_timeout*1000);
3684 		ata_28bit_cmd(&local_ccb, cmd, 0, 0, 0);
3685 		error = cam_periph_runccb((union ccb *)&local_ccb, adaerror,
3686 		    /*cam_flags*/0, /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY,
3687 		    softc->disk->d_devstat);
3688 		if (error != 0)
3689 			xpt_print(periph->path, "Spin-down disk failed\n");
3690 		cam_periph_unlock(periph);
3691 	}
3692 }
3693 
3694 static void
3695 adashutdown(void *arg, int howto)
3696 {
3697 	int how;
3698 
3699 	if ((howto & RB_NOSYNC) != 0)
3700 		return;
3701 
3702 	adaflush();
3703 
3704 	/*
3705 	 * STANDBY IMMEDIATE saves any volatile data to the drive. It also spins
3706 	 * down hard drives. IDLE IMMEDIATE also saves the volatile data without
3707 	 * a spindown. We send the former when we expect to lose power soon. For
3708 	 * a warm boot, we send the latter to avoid a thundering herd of spinups
3709 	 * just after the kernel loads while probing. We have to do something to
3710 	 * flush the data because the BIOS in many systems resets the HBA
3711 	 * causing a COMINIT/COMRESET negotiation, which some drives interpret
3712 	 * as license to toss the volatile data, and others count as unclean
3713 	 * shutdown when in the Active PM state in SMART attributes.
3714 	 *
3715 	 * adaspindown will ensure that we don't send this to a drive that
3716 	 * doesn't support it.
3717 	 */
3718 	if (ada_spindown_shutdown != 0) {
3719 		how = (howto & (RB_HALT | RB_POWEROFF | RB_POWERCYCLE)) ?
3720 		    ATA_STANDBY_IMMEDIATE : ATA_IDLE_IMMEDIATE;
3721 		adaspindown(how, 0);
3722 	}
3723 }
3724 
3725 static void
3726 adasuspend(void *arg)
3727 {
3728 
3729 	adaflush();
3730 	/*
3731 	 * SLEEP also fushes any volatile data, like STANDBY IMEDIATE,
3732 	 * so we don't need to send it as well.
3733 	 */
3734 	if (ada_spindown_suspend != 0)
3735 		adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE);
3736 }
3737 
3738 static void
3739 adaresume(void *arg)
3740 {
3741 	struct cam_periph *periph;
3742 	struct ada_softc *softc;
3743 
3744 	if (ada_spindown_suspend == 0)
3745 		return;
3746 
3747 	CAM_PERIPH_FOREACH(periph, &adadriver) {
3748 		cam_periph_lock(periph);
3749 		softc = (struct ada_softc *)periph->softc;
3750 		/*
3751 		 * We only spin-down the drive if it is capable of it..
3752 		 */
3753 		if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) {
3754 			cam_periph_unlock(periph);
3755 			continue;
3756 		}
3757 
3758 		if (bootverbose)
3759 			xpt_print(periph->path, "resume\n");
3760 
3761 		/*
3762 		 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on
3763 		 * sleep request.
3764 		 */
3765 		cam_release_devq(periph->path,
3766 			 /*relsim_flags*/0,
3767 			 /*openings*/0,
3768 			 /*timeout*/0,
3769 			 /*getcount_only*/0);
3770 
3771 		cam_periph_unlock(periph);
3772 	}
3773 }
3774 
3775 #endif /* _KERNEL */
3776