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Merge compiler-rt trunk r291476.
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1 /*-
2  * Implementation of SCSI Direct Access Peripheral driver for CAM.
3  *
4  * Copyright (c) 1997 Justin T. Gibbs.
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. The name of the author may not be used to endorse or promote products
14  *    derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
20  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
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/cons.h>
47 #include <sys/endian.h>
48 #include <sys/proc.h>
49 #include <sys/sbuf.h>
50 #include <geom/geom.h>
51 #include <geom/geom_disk.h>
52 #endif /* _KERNEL */
53
54 #ifndef _KERNEL
55 #include <stdio.h>
56 #include <string.h>
57 #endif /* _KERNEL */
58
59 #include <cam/cam.h>
60 #include <cam/cam_ccb.h>
61 #include <cam/cam_periph.h>
62 #include <cam/cam_xpt_periph.h>
63 #include <cam/cam_sim.h>
64 #include <cam/cam_iosched.h>
65
66 #include <cam/scsi/scsi_message.h>
67 #include <cam/scsi/scsi_da.h>
68
69 #ifdef _KERNEL
70 /*
71  * Note that there are probe ordering dependencies here.  The order isn't
72  * controlled by this enumeration, but by explicit state transitions in
73  * dastart() and dadone().  Here are some of the dependencies:
74  * 
75  * 1. RC should come first, before RC16, unless there is evidence that RC16
76  *    is supported.
77  * 2. BDC needs to come before any of the ATA probes, or the ZONE probe.
78  * 3. The ATA probes should go in this order:
79  *    ATA -> LOGDIR -> IDDIR -> SUP -> ATA_ZONE
80  */
81 typedef enum {
82         DA_STATE_PROBE_RC,
83         DA_STATE_PROBE_RC16,
84         DA_STATE_PROBE_LBP,
85         DA_STATE_PROBE_BLK_LIMITS,
86         DA_STATE_PROBE_BDC,
87         DA_STATE_PROBE_ATA,
88         DA_STATE_PROBE_ATA_LOGDIR,
89         DA_STATE_PROBE_ATA_IDDIR,
90         DA_STATE_PROBE_ATA_SUP,
91         DA_STATE_PROBE_ATA_ZONE,
92         DA_STATE_PROBE_ZONE,
93         DA_STATE_NORMAL
94 } da_state;
95
96 typedef enum {
97         DA_FLAG_PACK_INVALID    = 0x000001,
98         DA_FLAG_NEW_PACK        = 0x000002,
99         DA_FLAG_PACK_LOCKED     = 0x000004,
100         DA_FLAG_PACK_REMOVABLE  = 0x000008,
101         DA_FLAG_NEED_OTAG       = 0x000020,
102         DA_FLAG_WAS_OTAG        = 0x000040,
103         DA_FLAG_RETRY_UA        = 0x000080,
104         DA_FLAG_OPEN            = 0x000100,
105         DA_FLAG_SCTX_INIT       = 0x000200,
106         DA_FLAG_CAN_RC16        = 0x000400,
107         DA_FLAG_PROBED          = 0x000800,
108         DA_FLAG_DIRTY           = 0x001000,
109         DA_FLAG_ANNOUNCED       = 0x002000,
110         DA_FLAG_CAN_ATA_DMA     = 0x004000,
111         DA_FLAG_CAN_ATA_LOG     = 0x008000,
112         DA_FLAG_CAN_ATA_IDLOG   = 0x010000,
113         DA_FLAG_CAN_ATA_SUPCAP  = 0x020000,
114         DA_FLAG_CAN_ATA_ZONE    = 0x040000
115 } da_flags;
116
117 typedef enum {
118         DA_Q_NONE               = 0x00,
119         DA_Q_NO_SYNC_CACHE      = 0x01,
120         DA_Q_NO_6_BYTE          = 0x02,
121         DA_Q_NO_PREVENT         = 0x04,
122         DA_Q_4K                 = 0x08,
123         DA_Q_NO_RC16            = 0x10,
124         DA_Q_NO_UNMAP           = 0x20,
125         DA_Q_RETRY_BUSY         = 0x40,
126         DA_Q_SMR_DM             = 0x80
127 } da_quirks;
128
129 #define DA_Q_BIT_STRING         \
130         "\020"                  \
131         "\001NO_SYNC_CACHE"     \
132         "\002NO_6_BYTE"         \
133         "\003NO_PREVENT"        \
134         "\0044K"                \
135         "\005NO_RC16"           \
136         "\006NO_UNMAP"          \
137         "\007RETRY_BUSY"        \
138         "\008SMR_DM"
139
140 typedef enum {
141         DA_CCB_PROBE_RC         = 0x01,
142         DA_CCB_PROBE_RC16       = 0x02,
143         DA_CCB_PROBE_LBP        = 0x03,
144         DA_CCB_PROBE_BLK_LIMITS = 0x04,
145         DA_CCB_PROBE_BDC        = 0x05,
146         DA_CCB_PROBE_ATA        = 0x06,
147         DA_CCB_BUFFER_IO        = 0x07,
148         DA_CCB_DUMP             = 0x0A,
149         DA_CCB_DELETE           = 0x0B,
150         DA_CCB_TUR              = 0x0C,
151         DA_CCB_PROBE_ZONE       = 0x0D,
152         DA_CCB_PROBE_ATA_LOGDIR = 0x0E,
153         DA_CCB_PROBE_ATA_IDDIR  = 0x0F,
154         DA_CCB_PROBE_ATA_SUP    = 0x10,
155         DA_CCB_PROBE_ATA_ZONE   = 0x11,
156         DA_CCB_TYPE_MASK        = 0x1F,
157         DA_CCB_RETRY_UA         = 0x20
158 } da_ccb_state;
159
160 /*
161  * Order here is important for method choice
162  *
163  * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to
164  * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes
165  * using ATA_TRIM than the corresponding UNMAP results for a real world mysql
166  * import taking 5mins.
167  *
168  */
169 typedef enum {
170         DA_DELETE_NONE,
171         DA_DELETE_DISABLE,
172         DA_DELETE_ATA_TRIM,
173         DA_DELETE_UNMAP,
174         DA_DELETE_WS16,
175         DA_DELETE_WS10,
176         DA_DELETE_ZERO,
177         DA_DELETE_MIN = DA_DELETE_ATA_TRIM,
178         DA_DELETE_MAX = DA_DELETE_ZERO
179 } da_delete_methods;
180
181 /*
182  * For SCSI, host managed drives show up as a separate device type.  For
183  * ATA, host managed drives also have a different device signature.
184  * XXX KDM figure out the ATA host managed signature.
185  */
186 typedef enum {
187         DA_ZONE_NONE            = 0x00,
188         DA_ZONE_DRIVE_MANAGED   = 0x01,
189         DA_ZONE_HOST_AWARE      = 0x02,
190         DA_ZONE_HOST_MANAGED    = 0x03
191 } da_zone_mode;
192
193 /*
194  * We distinguish between these interface cases in addition to the drive type:
195  * o ATA drive behind a SCSI translation layer that knows about ZBC/ZAC
196  * o ATA drive behind a SCSI translation layer that does not know about
197  *   ZBC/ZAC, and so needs to be managed via ATA passthrough.  In this
198  *   case, we would need to share the ATA code with the ada(4) driver.
199  * o SCSI drive.
200  */
201 typedef enum {
202         DA_ZONE_IF_SCSI,
203         DA_ZONE_IF_ATA_PASS,
204         DA_ZONE_IF_ATA_SAT,
205 } da_zone_interface;
206
207 typedef enum {
208         DA_ZONE_FLAG_RZ_SUP             = 0x0001,
209         DA_ZONE_FLAG_OPEN_SUP           = 0x0002,
210         DA_ZONE_FLAG_CLOSE_SUP          = 0x0004,
211         DA_ZONE_FLAG_FINISH_SUP         = 0x0008,
212         DA_ZONE_FLAG_RWP_SUP            = 0x0010,
213         DA_ZONE_FLAG_SUP_MASK           = (DA_ZONE_FLAG_RZ_SUP |
214                                            DA_ZONE_FLAG_OPEN_SUP |
215                                            DA_ZONE_FLAG_CLOSE_SUP |
216                                            DA_ZONE_FLAG_FINISH_SUP |
217                                            DA_ZONE_FLAG_RWP_SUP),
218         DA_ZONE_FLAG_URSWRZ             = 0x0020,
219         DA_ZONE_FLAG_OPT_SEQ_SET        = 0x0040,
220         DA_ZONE_FLAG_OPT_NONSEQ_SET     = 0x0080,
221         DA_ZONE_FLAG_MAX_SEQ_SET        = 0x0100,
222         DA_ZONE_FLAG_SET_MASK           = (DA_ZONE_FLAG_OPT_SEQ_SET |
223                                            DA_ZONE_FLAG_OPT_NONSEQ_SET |
224                                            DA_ZONE_FLAG_MAX_SEQ_SET)
225 } da_zone_flags;
226
227 static struct da_zone_desc {
228         da_zone_flags value;
229         const char *desc;
230 } da_zone_desc_table[] = {
231         {DA_ZONE_FLAG_RZ_SUP, "Report Zones" },
232         {DA_ZONE_FLAG_OPEN_SUP, "Open" },
233         {DA_ZONE_FLAG_CLOSE_SUP, "Close" },
234         {DA_ZONE_FLAG_FINISH_SUP, "Finish" },
235         {DA_ZONE_FLAG_RWP_SUP, "Reset Write Pointer" },
236 };
237
238 typedef void da_delete_func_t (struct cam_periph *periph, union ccb *ccb,
239                               struct bio *bp);
240 static da_delete_func_t da_delete_trim;
241 static da_delete_func_t da_delete_unmap;
242 static da_delete_func_t da_delete_ws;
243
244 static const void * da_delete_functions[] = {
245         NULL,
246         NULL,
247         da_delete_trim,
248         da_delete_unmap,
249         da_delete_ws,
250         da_delete_ws,
251         da_delete_ws
252 };
253
254 static const char *da_delete_method_names[] =
255     { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" };
256 static const char *da_delete_method_desc[] =
257     { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP",
258       "WRITE SAME(10) with UNMAP", "ZERO" };
259
260 /* Offsets into our private area for storing information */
261 #define ccb_state       ppriv_field0
262 #define ccb_bp          ppriv_ptr1
263
264 struct disk_params {
265         u_int8_t  heads;
266         u_int32_t cylinders;
267         u_int8_t  secs_per_track;
268         u_int32_t secsize;      /* Number of bytes/sector */
269         u_int64_t sectors;      /* total number sectors */
270         u_int     stripesize;
271         u_int     stripeoffset;
272 };
273
274 #define UNMAP_RANGE_MAX         0xffffffff
275 #define UNMAP_HEAD_SIZE         8
276 #define UNMAP_RANGE_SIZE        16
277 #define UNMAP_MAX_RANGES        2048 /* Protocol Max is 4095 */
278 #define UNMAP_BUF_SIZE          ((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \
279                                 UNMAP_HEAD_SIZE)
280
281 #define WS10_MAX_BLKS           0xffff
282 #define WS16_MAX_BLKS           0xffffffff
283 #define ATA_TRIM_MAX_RANGES     ((UNMAP_BUF_SIZE / \
284         (ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE)
285
286 #define DA_WORK_TUR             (1 << 16)
287
288 struct da_softc {
289         struct   cam_iosched_softc *cam_iosched;
290         struct   bio_queue_head delete_run_queue;
291         LIST_HEAD(, ccb_hdr) pending_ccbs;
292         int      refcount;              /* Active xpt_action() calls */
293         da_state state;
294         da_flags flags; 
295         da_quirks quirks;
296         int      minimum_cmd_size;
297         int      error_inject;
298         int      trim_max_ranges;
299         int      delete_available;      /* Delete methods possibly available */
300         da_zone_mode                    zone_mode;
301         da_zone_interface               zone_interface;
302         da_zone_flags                   zone_flags;
303         struct ata_gp_log_dir           ata_logdir;
304         int                             valid_logdir_len;
305         struct ata_identify_log_pages   ata_iddir;
306         int                             valid_iddir_len;
307         uint64_t                        optimal_seq_zones;
308         uint64_t                        optimal_nonseq_zones;
309         uint64_t                        max_seq_zones;
310         u_int                   maxio;
311         uint32_t                unmap_max_ranges;
312         uint32_t                unmap_max_lba; /* Max LBAs in UNMAP req */
313         uint64_t                ws_max_blks;
314         da_delete_methods       delete_method_pref;
315         da_delete_methods       delete_method;
316         da_delete_func_t        *delete_func;
317         int                     unmappedio;
318         int                     rotating;
319         struct   disk_params params;
320         struct   disk *disk;
321         union    ccb saved_ccb;
322         struct task             sysctl_task;
323         struct sysctl_ctx_list  sysctl_ctx;
324         struct sysctl_oid       *sysctl_tree;
325         struct callout          sendordered_c;
326         uint64_t wwpn;
327         uint8_t  unmap_buf[UNMAP_BUF_SIZE];
328         struct scsi_read_capacity_data_long rcaplong;
329         struct callout          mediapoll_c;
330 #ifdef CAM_IO_STATS
331         struct sysctl_ctx_list  sysctl_stats_ctx;
332         struct sysctl_oid       *sysctl_stats_tree;
333         u_int   errors;
334         u_int   timeouts;
335         u_int   invalidations;
336 #endif
337 };
338
339 #define dadeleteflag(softc, delete_method, enable)                      \
340         if (enable) {                                                   \
341                 softc->delete_available |= (1 << delete_method);        \
342         } else {                                                        \
343                 softc->delete_available &= ~(1 << delete_method);       \
344         }
345
346 struct da_quirk_entry {
347         struct scsi_inquiry_pattern inq_pat;
348         da_quirks quirks;
349 };
350
351 static const char quantum[] = "QUANTUM";
352 static const char microp[] = "MICROP";
353
354 static struct da_quirk_entry da_quirk_table[] =
355 {
356         /* SPI, FC devices */
357         {
358                 /*
359                  * Fujitsu M2513A MO drives.
360                  * Tested devices: M2513A2 firmware versions 1200 & 1300.
361                  * (dip switch selects whether T_DIRECT or T_OPTICAL device)
362                  * Reported by: W.Scholten <whs@xs4all.nl>
363                  */
364                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
365                 /*quirks*/ DA_Q_NO_SYNC_CACHE
366         },
367         {
368                 /* See above. */
369                 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
370                 /*quirks*/ DA_Q_NO_SYNC_CACHE
371         },
372         {
373                 /*
374                  * This particular Fujitsu drive doesn't like the
375                  * synchronize cache command.
376                  * Reported by: Tom Jackson <toj@gorilla.net>
377                  */
378                 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
379                 /*quirks*/ DA_Q_NO_SYNC_CACHE
380         },
381         {
382                 /*
383                  * This drive doesn't like the synchronize cache command
384                  * either.  Reported by: Matthew Jacob <mjacob@feral.com>
385                  * in NetBSD PR kern/6027, August 24, 1998.
386                  */
387                 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
388                 /*quirks*/ DA_Q_NO_SYNC_CACHE
389         },
390         {
391                 /*
392                  * This drive doesn't like the synchronize cache command
393                  * either.  Reported by: Hellmuth Michaelis (hm@kts.org)
394                  * (PR 8882).
395                  */
396                 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
397                 /*quirks*/ DA_Q_NO_SYNC_CACHE
398         },
399         {
400                 /*
401                  * Doesn't like the synchronize cache command.
402                  * Reported by: Blaz Zupan <blaz@gold.amis.net>
403                  */
404                 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
405                 /*quirks*/ DA_Q_NO_SYNC_CACHE
406         },
407         {
408                 /*
409                  * Doesn't like the synchronize cache command.
410                  * Reported by: Blaz Zupan <blaz@gold.amis.net>
411                  */
412                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
413                 /*quirks*/ DA_Q_NO_SYNC_CACHE
414         },
415         {
416                 /*
417                  * Doesn't like the synchronize cache command.
418                  */
419                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
420                 /*quirks*/ DA_Q_NO_SYNC_CACHE
421         },
422         {
423                 /*
424                  * Doesn't like the synchronize cache command.
425                  * Reported by: walter@pelissero.de
426                  */
427                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"},
428                 /*quirks*/ DA_Q_NO_SYNC_CACHE
429         },
430         {
431                 /*
432                  * Doesn't work correctly with 6 byte reads/writes.
433                  * Returns illegal request, and points to byte 9 of the
434                  * 6-byte CDB.
435                  * Reported by:  Adam McDougall <bsdx@spawnet.com>
436                  */
437                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
438                 /*quirks*/ DA_Q_NO_6_BYTE
439         },
440         {
441                 /* See above. */
442                 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
443                 /*quirks*/ DA_Q_NO_6_BYTE
444         },
445         {
446                 /*
447                  * Doesn't like the synchronize cache command.
448                  * Reported by: walter@pelissero.de
449                  */
450                 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"},
451                 /*quirks*/ DA_Q_NO_SYNC_CACHE
452         },
453         {
454                 /*
455                  * The CISS RAID controllers do not support SYNC_CACHE
456                  */
457                 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
458                 /*quirks*/ DA_Q_NO_SYNC_CACHE
459         },
460         {
461                 /*
462                  * The STEC SSDs sometimes hang on UNMAP.
463                  */
464                 {T_DIRECT, SIP_MEDIA_FIXED, "STEC", "*", "*"},
465                 /*quirks*/ DA_Q_NO_UNMAP
466         },
467         {
468                 /*
469                  * VMware returns BUSY status when storage has transient
470                  * connectivity problems, so better wait.
471                  */
472                 {T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*"},
473                 /*quirks*/ DA_Q_RETRY_BUSY
474         },
475         /* USB mass storage devices supported by umass(4) */
476         {
477                 /*
478                  * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
479                  * PR: kern/51675
480                  */
481                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
482                 /*quirks*/ DA_Q_NO_SYNC_CACHE
483         },
484         {
485                 /*
486                  * Power Quotient Int. (PQI) USB flash key
487                  * PR: kern/53067
488                  */
489                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*",
490                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
491         },
492         {
493                 /*
494                  * Creative Nomad MUVO mp3 player (USB)
495                  * PR: kern/53094
496                  */
497                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
498                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
499         },
500         {
501                 /*
502                  * Jungsoft NEXDISK USB flash key
503                  * PR: kern/54737
504                  */
505                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
506                 /*quirks*/ DA_Q_NO_SYNC_CACHE
507         },
508         {
509                 /*
510                  * FreeDik USB Mini Data Drive
511                  * PR: kern/54786
512                  */
513                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive",
514                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
515         },
516         {
517                 /*
518                  * Sigmatel USB Flash MP3 Player
519                  * PR: kern/57046
520                  */
521                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"},
522                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
523         },
524         {
525                 /*
526                  * Neuros USB Digital Audio Computer
527                  * PR: kern/63645
528                  */
529                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.",
530                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
531         },
532         {
533                 /*
534                  * SEAGRAND NP-900 MP3 Player
535                  * PR: kern/64563
536                  */
537                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"},
538                 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
539         },
540         {
541                 /*
542                  * iRiver iFP MP3 player (with UMS Firmware)
543                  * PR: kern/54881, i386/63941, kern/66124
544                  */
545                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
546                 /*quirks*/ DA_Q_NO_SYNC_CACHE
547         },
548         {
549                 /*
550                  * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
551                  * PR: kern/70158
552                  */
553                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"},
554                 /*quirks*/ DA_Q_NO_SYNC_CACHE
555         },
556         {
557                 /*
558                  * ZICPlay USB MP3 Player with FM
559                  * PR: kern/75057
560                  */
561                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"},
562                 /*quirks*/ DA_Q_NO_SYNC_CACHE
563         },
564         {
565                 /*
566                  * TEAC USB floppy mechanisms
567                  */
568                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"},
569                 /*quirks*/ DA_Q_NO_SYNC_CACHE
570         },
571         {
572                 /*
573                  * Kingston DataTraveler II+ USB Pen-Drive.
574                  * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org>
575                  */
576                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+",
577                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
578         },
579         {
580                 /*
581                  * USB DISK Pro PMAP
582                  * Reported by: jhs
583                  * PR: usb/96381
584                  */
585                 {T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"},
586                 /*quirks*/ DA_Q_NO_SYNC_CACHE
587         },
588         {
589                 /*
590                  * Motorola E398 Mobile Phone (TransFlash memory card).
591                  * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl>
592                  * PR: usb/89889
593                  */
594                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone",
595                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
596         },
597         {
598                 /*
599                  * Qware BeatZkey! Pro
600                  * PR: usb/79164
601                  */
602                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE",
603                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
604         },
605         {
606                 /*
607                  * Time DPA20B 1GB MP3 Player
608                  * PR: usb/81846
609                  */
610                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*",
611                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
612         },
613         {
614                 /*
615                  * Samsung USB key 128Mb
616                  * PR: usb/90081
617                  */
618                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb",
619                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
620         },
621         {
622                 /*
623                  * Kingston DataTraveler 2.0 USB Flash memory.
624                  * PR: usb/89196
625                  */
626                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0",
627                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
628         },
629         {
630                 /*
631                  * Creative MUVO Slim mp3 player (USB)
632                  * PR: usb/86131
633                  */
634                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim",
635                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
636                 },
637         {
638                 /*
639                  * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3)
640                  * PR: usb/80487
641                  */
642                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK",
643                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
644         },
645         {
646                 /*
647                  * SanDisk Micro Cruzer 128MB
648                  * PR: usb/75970
649                  */
650                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer",
651                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
652         },
653         {
654                 /*
655                  * TOSHIBA TransMemory USB sticks
656                  * PR: kern/94660
657                  */
658                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory",
659                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
660         },
661         {
662                 /*
663                  * PNY USB 3.0 Flash Drives
664                 */
665                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PNY", "USB 3.0 FD*",
666                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_RC16
667         },
668         {
669                 /*
670                  * PNY USB Flash keys
671                  * PR: usb/75578, usb/72344, usb/65436 
672                  */
673                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*",
674                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
675         },
676         {
677                 /*
678                  * Genesys 6-in-1 Card Reader
679                  * PR: usb/94647
680                  */
681                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
682                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
683         },
684         {
685                 /*
686                  * Rekam Digital CAMERA
687                  * PR: usb/98713
688                  */
689                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*",
690                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
691         },
692         {
693                 /*
694                  * iRiver H10 MP3 player
695                  * PR: usb/102547
696                  */
697                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*",
698                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
699         },
700         {
701                 /*
702                  * iRiver U10 MP3 player
703                  * PR: usb/92306
704                  */
705                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*",
706                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
707         },
708         {
709                 /*
710                  * X-Micro Flash Disk
711                  * PR: usb/96901
712                  */
713                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk",
714                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
715         },
716         {
717                 /*
718                  * EasyMP3 EM732X USB 2.0 Flash MP3 Player
719                  * PR: usb/96546
720                  */
721                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*",
722                 "1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
723         },
724         {
725                 /*
726                  * Denver MP3 player
727                  * PR: usb/107101
728                  */
729                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER",
730                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
731         },
732         {
733                 /*
734                  * Philips USB Key Audio KEY013
735                  * PR: usb/68412
736                  */
737                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"},
738                 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
739         },
740         {
741                 /*
742                  * JNC MP3 Player
743                  * PR: usb/94439
744                  */
745                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*",
746                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
747         },
748         {
749                 /*
750                  * SAMSUNG MP0402H
751                  * PR: usb/108427
752                  */
753                 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"},
754                 /*quirks*/ DA_Q_NO_SYNC_CACHE
755         },
756         {
757                 /*
758                  * I/O Magic USB flash - Giga Bank
759                  * PR: usb/108810
760                  */
761                 {T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"},
762                 /*quirks*/ DA_Q_NO_SYNC_CACHE
763         },
764         {
765                 /*
766                  * JoyFly 128mb USB Flash Drive
767                  * PR: 96133
768                  */
769                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*",
770                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
771         },
772         {
773                 /*
774                  * ChipsBnk usb stick
775                  * PR: 103702
776                  */
777                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*",
778                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
779         },
780         {
781                 /*
782                  * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A
783                  * PR: 129858
784                  */
785                 {T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*",
786                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
787         },
788         {
789                 /*
790                  * Samsung YP-U3 mp3-player
791                  * PR: 125398
792                  */
793                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3",
794                  "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
795         },
796         {
797                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*",
798                  "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
799         },
800         {
801                 /*
802                  * Sony Cyber-Shot DSC cameras
803                  * PR: usb/137035
804                  */
805                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
806                 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
807         },
808         {
809                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3",
810                  "1.00"}, /*quirks*/ DA_Q_NO_PREVENT
811         },
812         {
813                 /* At least several Transcent USB sticks lie on RC16. */
814                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JetFlash", "Transcend*",
815                  "*"}, /*quirks*/ DA_Q_NO_RC16
816         },
817         {
818                 /*
819                  * I-O Data USB Flash Disk
820                  * PR: usb/211716
821                  */
822                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "I-O DATA", "USB Flash Disk*",
823                  "*"}, /*quirks*/ DA_Q_NO_RC16
824         },
825         /* ATA/SATA devices over SAS/USB/... */
826         {
827                 /* Hitachi Advanced Format (4k) drives */
828                 { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" },
829                 /*quirks*/DA_Q_4K
830         },
831         {
832                 /* Samsung Advanced Format (4k) drives */
833                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" },
834                 /*quirks*/DA_Q_4K
835         },
836         {
837                 /* Samsung Advanced Format (4k) drives */
838                 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" },
839                 /*quirks*/DA_Q_4K
840         },
841         {
842                 /* Samsung Advanced Format (4k) drives */
843                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" },
844                 /*quirks*/DA_Q_4K
845         },
846         {
847                 /* Samsung Advanced Format (4k) drives */
848                 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" },
849                 /*quirks*/DA_Q_4K
850         },
851         {
852                 /* Seagate Barracuda Green Advanced Format (4k) drives */
853                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" },
854                 /*quirks*/DA_Q_4K
855         },
856         {
857                 /* Seagate Barracuda Green Advanced Format (4k) drives */
858                 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" },
859                 /*quirks*/DA_Q_4K
860         },
861         {
862                 /* Seagate Barracuda Green Advanced Format (4k) drives */
863                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" },
864                 /*quirks*/DA_Q_4K
865         },
866         {
867                 /* Seagate Barracuda Green Advanced Format (4k) drives */
868                 { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" },
869                 /*quirks*/DA_Q_4K
870         },
871         {
872                 /* Seagate Barracuda Green Advanced Format (4k) drives */
873                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" },
874                 /*quirks*/DA_Q_4K
875         },
876         {
877                 /* Seagate Barracuda Green Advanced Format (4k) drives */
878                 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" },
879                 /*quirks*/DA_Q_4K
880         },
881         {
882                 /* Seagate Momentus Advanced Format (4k) drives */
883                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" },
884                 /*quirks*/DA_Q_4K
885         },
886         {
887                 /* Seagate Momentus Advanced Format (4k) drives */
888                 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" },
889                 /*quirks*/DA_Q_4K
890         },
891         {
892                 /* Seagate Momentus Advanced Format (4k) drives */
893                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" },
894                 /*quirks*/DA_Q_4K
895         },
896         {
897                 /* Seagate Momentus Advanced Format (4k) drives */
898                 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" },
899                 /*quirks*/DA_Q_4K
900         },
901         {
902                 /* Seagate Momentus Advanced Format (4k) drives */
903                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" },
904                 /*quirks*/DA_Q_4K
905         },
906         {
907                 /* Seagate Momentus Advanced Format (4k) drives */
908                 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" },
909                 /*quirks*/DA_Q_4K
910         },
911         {
912                 /* Seagate Momentus Advanced Format (4k) drives */
913                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" },
914                 /*quirks*/DA_Q_4K
915         },
916         {
917                 /* Seagate Momentus Advanced Format (4k) drives */
918                 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" },
919                 /*quirks*/DA_Q_4K
920         },
921         {
922                 /* Seagate Momentus Advanced Format (4k) drives */
923                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" },
924                 /*quirks*/DA_Q_4K
925         },
926         {
927                 /* Seagate Momentus Advanced Format (4k) drives */
928                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" },
929                 /*quirks*/DA_Q_4K
930         },
931         {
932                 /* Seagate Momentus Advanced Format (4k) drives */
933                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" },
934                 /*quirks*/DA_Q_4K
935         },
936         {
937                 /* Seagate Momentus Advanced Format (4k) drives */
938                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" },
939                 /*quirks*/DA_Q_4K
940         },
941         {
942                 /* Seagate Momentus Advanced Format (4k) drives */
943                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" },
944                 /*quirks*/DA_Q_4K
945         },
946         {
947                 /* Seagate Momentus Advanced Format (4k) drives */
948                 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" },
949                 /*quirks*/DA_Q_4K
950         },
951         {
952                 /* Seagate Momentus Thin Advanced Format (4k) drives */
953                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" },
954                 /*quirks*/DA_Q_4K
955         },
956         {
957                 /* Seagate Momentus Thin Advanced Format (4k) drives */
958                 { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" },
959                 /*quirks*/DA_Q_4K
960         },
961         {
962                 /* WDC Caviar Green Advanced Format (4k) drives */
963                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" },
964                 /*quirks*/DA_Q_4K
965         },
966         {
967                 /* WDC Caviar Green Advanced Format (4k) drives */
968                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" },
969                 /*quirks*/DA_Q_4K
970         },
971         {
972                 /* WDC Caviar Green Advanced Format (4k) drives */
973                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" },
974                 /*quirks*/DA_Q_4K
975         },
976         {
977                 /* WDC Caviar Green Advanced Format (4k) drives */
978                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" },
979                 /*quirks*/DA_Q_4K
980         },
981         {
982                 /* WDC Caviar Green Advanced Format (4k) drives */
983                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" },
984                 /*quirks*/DA_Q_4K
985         },
986         {
987                 /* WDC Caviar Green Advanced Format (4k) drives */
988                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" },
989                 /*quirks*/DA_Q_4K
990         },
991         {
992                 /* WDC Caviar Green Advanced Format (4k) drives */
993                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" },
994                 /*quirks*/DA_Q_4K
995         },
996         {
997                 /* WDC Caviar Green Advanced Format (4k) drives */
998                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" },
999                 /*quirks*/DA_Q_4K
1000         },
1001         {
1002                 /* WDC Scorpio Black Advanced Format (4k) drives */
1003                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" },
1004                 /*quirks*/DA_Q_4K
1005         },
1006         {
1007                 /* WDC Scorpio Black Advanced Format (4k) drives */
1008                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" },
1009                 /*quirks*/DA_Q_4K
1010         },
1011         {
1012                 /* WDC Scorpio Black Advanced Format (4k) drives */
1013                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" },
1014                 /*quirks*/DA_Q_4K
1015         },
1016         {
1017                 /* WDC Scorpio Black Advanced Format (4k) drives */
1018                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" },
1019                 /*quirks*/DA_Q_4K
1020         },
1021         {
1022                 /* WDC Scorpio Blue Advanced Format (4k) drives */
1023                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" },
1024                 /*quirks*/DA_Q_4K
1025         },
1026         {
1027                 /* WDC Scorpio Blue Advanced Format (4k) drives */
1028                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" },
1029                 /*quirks*/DA_Q_4K
1030         },
1031         {
1032                 /* WDC Scorpio Blue Advanced Format (4k) drives */
1033                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" },
1034                 /*quirks*/DA_Q_4K
1035         },
1036         {
1037                 /* WDC Scorpio Blue Advanced Format (4k) drives */
1038                 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" },
1039                 /*quirks*/DA_Q_4K
1040         },
1041         {
1042                 /*
1043                  * Olympus FE-210 camera
1044                  */
1045                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*",
1046                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1047         },
1048         {
1049                 /*
1050                  * LG UP3S MP3 player
1051                  */
1052                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S",
1053                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1054         },
1055         {
1056                 /*
1057                  * Laser MP3-2GA13 MP3 player
1058                  */
1059                 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk",
1060                 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
1061         },
1062         {
1063                 /*
1064                  * LaCie external 250GB Hard drive des by Porsche
1065                  * Submitted by: Ben Stuyts <ben@altesco.nl>
1066                  * PR: 121474
1067                  */
1068                 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"},
1069                 /*quirks*/ DA_Q_NO_SYNC_CACHE
1070         },
1071         /* SATA SSDs */
1072         {
1073                 /*
1074                  * Corsair Force 2 SSDs
1075                  * 4k optimised & trim only works in 4k requests + 4k aligned
1076                  */
1077                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair CSSD-F*", "*" },
1078                 /*quirks*/DA_Q_4K
1079         },
1080         {
1081                 /*
1082                  * Corsair Force 3 SSDs
1083                  * 4k optimised & trim only works in 4k requests + 4k aligned
1084                  */
1085                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force 3*", "*" },
1086                 /*quirks*/DA_Q_4K
1087         },
1088         {
1089                 /*
1090                  * Corsair Neutron GTX SSDs
1091                  * 4k optimised & trim only works in 4k requests + 4k aligned
1092                  */
1093                 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" },
1094                 /*quirks*/DA_Q_4K
1095         },
1096         {
1097                 /*
1098                  * Corsair Force GT & GS SSDs
1099                  * 4k optimised & trim only works in 4k requests + 4k aligned
1100                  */
1101                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force G*", "*" },
1102                 /*quirks*/DA_Q_4K
1103         },
1104         {
1105                 /*
1106                  * Crucial M4 SSDs
1107                  * 4k optimised & trim only works in 4k requests + 4k aligned
1108                  */
1109                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "M4-CT???M4SSD2*", "*" },
1110                 /*quirks*/DA_Q_4K
1111         },
1112         {
1113                 /*
1114                  * Crucial RealSSD C300 SSDs
1115                  * 4k optimised
1116                  */
1117                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "C300-CTFDDAC???MAG*",
1118                 "*" }, /*quirks*/DA_Q_4K
1119         },
1120         {
1121                 /*
1122                  * Intel 320 Series SSDs
1123                  * 4k optimised & trim only works in 4k requests + 4k aligned
1124                  */
1125                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2CW*", "*" },
1126                 /*quirks*/DA_Q_4K
1127         },
1128         {
1129                 /*
1130                  * Intel 330 Series SSDs
1131                  * 4k optimised & trim only works in 4k requests + 4k aligned
1132                  */
1133                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2CT*", "*" },
1134                 /*quirks*/DA_Q_4K
1135         },
1136         {
1137                 /*
1138                  * Intel 510 Series SSDs
1139                  * 4k optimised & trim only works in 4k requests + 4k aligned
1140                  */
1141                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2MH*", "*" },
1142                 /*quirks*/DA_Q_4K
1143         },
1144         {
1145                 /*
1146                  * Intel 520 Series SSDs
1147                  * 4k optimised & trim only works in 4k requests + 4k aligned
1148                  */
1149                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BW*", "*" },
1150                 /*quirks*/DA_Q_4K
1151         },
1152         {
1153                 /*
1154                  * Intel X25-M Series SSDs
1155                  * 4k optimised & trim only works in 4k requests + 4k aligned
1156                  */
1157                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2M*", "*" },
1158                 /*quirks*/DA_Q_4K
1159         },
1160         {
1161                 /*
1162                  * Kingston E100 Series SSDs
1163                  * 4k optimised & trim only works in 4k requests + 4k aligned
1164                  */
1165                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SE100S3*", "*" },
1166                 /*quirks*/DA_Q_4K
1167         },
1168         {
1169                 /*
1170                  * Kingston HyperX 3k SSDs
1171                  * 4k optimised & trim only works in 4k requests + 4k aligned
1172                  */
1173                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SH103S3*", "*" },
1174                 /*quirks*/DA_Q_4K
1175         },
1176         {
1177                 /*
1178                  * Marvell SSDs (entry taken from OpenSolaris)
1179                  * 4k optimised & trim only works in 4k requests + 4k aligned
1180                  */
1181                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MARVELL SD88SA02*", "*" },
1182                 /*quirks*/DA_Q_4K
1183         },
1184         {
1185                 /*
1186                  * OCZ Agility 2 SSDs
1187                  * 4k optimised & trim only works in 4k requests + 4k aligned
1188                  */
1189                 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" },
1190                 /*quirks*/DA_Q_4K
1191         },
1192         {
1193                 /*
1194                  * OCZ Agility 3 SSDs
1195                  * 4k optimised & trim only works in 4k requests + 4k aligned
1196                  */
1197                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-AGILITY3*", "*" },
1198                 /*quirks*/DA_Q_4K
1199         },
1200         {
1201                 /*
1202                  * OCZ Deneva R Series SSDs
1203                  * 4k optimised & trim only works in 4k requests + 4k aligned
1204                  */
1205                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "DENRSTE251M45*", "*" },
1206                 /*quirks*/DA_Q_4K
1207         },
1208         {
1209                 /*
1210                  * OCZ Vertex 2 SSDs (inc pro series)
1211                  * 4k optimised & trim only works in 4k requests + 4k aligned
1212                  */
1213                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ?VERTEX2*", "*" },
1214                 /*quirks*/DA_Q_4K
1215         },
1216         {
1217                 /*
1218                  * OCZ Vertex 3 SSDs
1219                  * 4k optimised & trim only works in 4k requests + 4k aligned
1220                  */
1221                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX3*", "*" },
1222                 /*quirks*/DA_Q_4K
1223         },
1224         {
1225                 /*
1226                  * OCZ Vertex 4 SSDs
1227                  * 4k optimised & trim only works in 4k requests + 4k aligned
1228                  */
1229                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX4*", "*" },
1230                 /*quirks*/DA_Q_4K
1231         },
1232         {
1233                 /*
1234                  * Samsung 830 Series SSDs
1235                  * 4k optimised & trim only works in 4k requests + 4k aligned
1236                  */
1237                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG SSD 830 Series*", "*" },
1238                 /*quirks*/DA_Q_4K
1239         },
1240         {
1241                 /*
1242                  * Samsung 840 SSDs
1243                  * 4k optimised & trim only works in 4k requests + 4k aligned
1244                  */
1245                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 840*", "*" },
1246                 /*quirks*/DA_Q_4K
1247         },
1248         {
1249                 /*
1250                  * Samsung 850 SSDs
1251                  * 4k optimised & trim only works in 4k requests + 4k aligned
1252                  */
1253                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 850*", "*" },
1254                 /*quirks*/DA_Q_4K
1255         },
1256         {
1257                 /*
1258                  * Samsung 843T Series SSDs (MZ7WD*)
1259                  * Samsung PM851 Series SSDs (MZ7TE*)
1260                  * Samsung PM853T Series SSDs (MZ7GE*)
1261                  * Samsung SM863 Series SSDs (MZ7KM*)
1262                  * 4k optimised
1263                  */
1264                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG MZ7*", "*" },
1265                 /*quirks*/DA_Q_4K
1266         },
1267         {
1268                 /*
1269                  * SuperTalent TeraDrive CT SSDs
1270                  * 4k optimised & trim only works in 4k requests + 4k aligned
1271                  */
1272                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" },
1273                 /*quirks*/DA_Q_4K
1274         },
1275         {
1276                 /*
1277                  * XceedIOPS SATA SSDs
1278                  * 4k optimised
1279                  */
1280                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" },
1281                 /*quirks*/DA_Q_4K
1282         },
1283         {
1284                 /*
1285                  * Hama Innostor USB-Stick 
1286                  */
1287                 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Innostor", "Innostor*", "*" }, 
1288                 /*quirks*/DA_Q_NO_RC16
1289         },
1290         {
1291                 /*
1292                  * Seagate Lamarr 8TB Shingled Magnetic Recording (SMR)
1293                  * Drive Managed SATA hard drive.  This drive doesn't report
1294                  * in firmware that it is a drive managed SMR drive.
1295                  */
1296                 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST8000AS0002*", "*" },
1297                 /*quirks*/DA_Q_SMR_DM
1298         },
1299         {
1300                 /*
1301                  * MX-ES USB Drive by Mach Xtreme
1302                  */
1303                 { T_DIRECT, SIP_MEDIA_REMOVABLE, "MX", "MXUB3*", "*"},
1304                 /*quirks*/DA_Q_NO_RC16
1305         },
1306 };
1307
1308 static  disk_strategy_t dastrategy;
1309 static  dumper_t        dadump;
1310 static  periph_init_t   dainit;
1311 static  void            daasync(void *callback_arg, u_int32_t code,
1312                                 struct cam_path *path, void *arg);
1313 static  void            dasysctlinit(void *context, int pending);
1314 static  int             dasysctlsofttimeout(SYSCTL_HANDLER_ARGS);
1315 static  int             dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
1316 static  int             dadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
1317 static  int             dazonemodesysctl(SYSCTL_HANDLER_ARGS);
1318 static  int             dazonesupsysctl(SYSCTL_HANDLER_ARGS);
1319 static  int             dadeletemaxsysctl(SYSCTL_HANDLER_ARGS);
1320 static  void            dadeletemethodset(struct da_softc *softc,
1321                                           da_delete_methods delete_method);
1322 static  off_t           dadeletemaxsize(struct da_softc *softc,
1323                                         da_delete_methods delete_method);
1324 static  void            dadeletemethodchoose(struct da_softc *softc,
1325                                              da_delete_methods default_method);
1326 static  void            daprobedone(struct cam_periph *periph, union ccb *ccb);
1327
1328 static  periph_ctor_t   daregister;
1329 static  periph_dtor_t   dacleanup;
1330 static  periph_start_t  dastart;
1331 static  periph_oninv_t  daoninvalidate;
1332 static  void            dazonedone(struct cam_periph *periph, union ccb *ccb);
1333 static  void            dadone(struct cam_periph *periph,
1334                                union ccb *done_ccb);
1335 static  int             daerror(union ccb *ccb, u_int32_t cam_flags,
1336                                 u_int32_t sense_flags);
1337 static void             daprevent(struct cam_periph *periph, int action);
1338 static void             dareprobe(struct cam_periph *periph);
1339 static void             dasetgeom(struct cam_periph *periph, uint32_t block_len,
1340                                   uint64_t maxsector,
1341                                   struct scsi_read_capacity_data_long *rcaplong,
1342                                   size_t rcap_size);
1343 static timeout_t        dasendorderedtag;
1344 static void             dashutdown(void *arg, int howto);
1345 static timeout_t        damediapoll;
1346
1347 #ifndef DA_DEFAULT_POLL_PERIOD
1348 #define DA_DEFAULT_POLL_PERIOD  3
1349 #endif
1350
1351 #ifndef DA_DEFAULT_TIMEOUT
1352 #define DA_DEFAULT_TIMEOUT 60   /* Timeout in seconds */
1353 #endif
1354
1355 #ifndef DA_DEFAULT_SOFTTIMEOUT
1356 #define DA_DEFAULT_SOFTTIMEOUT  0
1357 #endif
1358
1359 #ifndef DA_DEFAULT_RETRY
1360 #define DA_DEFAULT_RETRY        4
1361 #endif
1362
1363 #ifndef DA_DEFAULT_SEND_ORDERED
1364 #define DA_DEFAULT_SEND_ORDERED 1
1365 #endif
1366
1367 static int da_poll_period = DA_DEFAULT_POLL_PERIOD;
1368 static int da_retry_count = DA_DEFAULT_RETRY;
1369 static int da_default_timeout = DA_DEFAULT_TIMEOUT;
1370 static sbintime_t da_default_softtimeout = DA_DEFAULT_SOFTTIMEOUT;
1371 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED;
1372
1373 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
1374             "CAM Direct Access Disk driver");
1375 SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RWTUN,
1376            &da_poll_period, 0, "Media polling period in seconds");
1377 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RWTUN,
1378            &da_retry_count, 0, "Normal I/O retry count");
1379 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RWTUN,
1380            &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
1381 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RWTUN,
1382            &da_send_ordered, 0, "Send Ordered Tags");
1383
1384 SYSCTL_PROC(_kern_cam_da, OID_AUTO, default_softtimeout,
1385     CTLTYPE_UINT | CTLFLAG_RW, NULL, 0, dasysctlsofttimeout, "I",
1386     "Soft I/O timeout (ms)");
1387 TUNABLE_INT64("kern.cam.da.default_softtimeout", &da_default_softtimeout);
1388
1389 /*
1390  * DA_ORDEREDTAG_INTERVAL determines how often, relative
1391  * to the default timeout, we check to see whether an ordered
1392  * tagged transaction is appropriate to prevent simple tag
1393  * starvation.  Since we'd like to ensure that there is at least
1394  * 1/2 of the timeout length left for a starved transaction to
1395  * complete after we've sent an ordered tag, we must poll at least
1396  * four times in every timeout period.  This takes care of the worst
1397  * case where a starved transaction starts during an interval that
1398  * meets the requirement "don't send an ordered tag" test so it takes
1399  * us two intervals to determine that a tag must be sent.
1400  */
1401 #ifndef DA_ORDEREDTAG_INTERVAL
1402 #define DA_ORDEREDTAG_INTERVAL 4
1403 #endif
1404
1405 static struct periph_driver dadriver =
1406 {
1407         dainit, "da",
1408         TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
1409 };
1410
1411 PERIPHDRIVER_DECLARE(da, dadriver);
1412
1413 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
1414
1415 static int
1416 daopen(struct disk *dp)
1417 {
1418         struct cam_periph *periph;
1419         struct da_softc *softc;
1420         int error;
1421
1422         periph = (struct cam_periph *)dp->d_drv1;
1423         if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
1424                 return (ENXIO);
1425         }
1426
1427         cam_periph_lock(periph);
1428         if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) {
1429                 cam_periph_unlock(periph);
1430                 cam_periph_release(periph);
1431                 return (error);
1432         }
1433
1434         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1435             ("daopen\n"));
1436
1437         softc = (struct da_softc *)periph->softc;
1438         dareprobe(periph);
1439
1440         /* Wait for the disk size update.  */
1441         error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO,
1442             "dareprobe", 0);
1443         if (error != 0)
1444                 xpt_print(periph->path, "unable to retrieve capacity data\n");
1445
1446         if (periph->flags & CAM_PERIPH_INVALID)
1447                 error = ENXIO;
1448
1449         if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1450             (softc->quirks & DA_Q_NO_PREVENT) == 0)
1451                 daprevent(periph, PR_PREVENT);
1452
1453         if (error == 0) {
1454                 softc->flags &= ~DA_FLAG_PACK_INVALID;
1455                 softc->flags |= DA_FLAG_OPEN;
1456         }
1457
1458         cam_periph_unhold(periph);
1459         cam_periph_unlock(periph);
1460
1461         if (error != 0)
1462                 cam_periph_release(periph);
1463
1464         return (error);
1465 }
1466
1467 static int
1468 daclose(struct disk *dp)
1469 {
1470         struct  cam_periph *periph;
1471         struct  da_softc *softc;
1472         union   ccb *ccb;
1473         int error;
1474
1475         periph = (struct cam_periph *)dp->d_drv1;
1476         softc = (struct da_softc *)periph->softc;
1477         cam_periph_lock(periph);
1478         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1479             ("daclose\n"));
1480
1481         if (cam_periph_hold(periph, PRIBIO) == 0) {
1482
1483                 /* Flush disk cache. */
1484                 if ((softc->flags & DA_FLAG_DIRTY) != 0 &&
1485                     (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 &&
1486                     (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
1487                         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1488                         scsi_synchronize_cache(&ccb->csio, /*retries*/1,
1489                             /*cbfcnp*/dadone, MSG_SIMPLE_Q_TAG,
1490                             /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE,
1491                             5 * 60 * 1000);
1492                         error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
1493                             /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR,
1494                             softc->disk->d_devstat);
1495                         softc->flags &= ~DA_FLAG_DIRTY;
1496                         xpt_release_ccb(ccb);
1497                 }
1498
1499                 /* Allow medium removal. */
1500                 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1501                     (softc->quirks & DA_Q_NO_PREVENT) == 0)
1502                         daprevent(periph, PR_ALLOW);
1503
1504                 cam_periph_unhold(periph);
1505         }
1506
1507         /*
1508          * If we've got removeable media, mark the blocksize as
1509          * unavailable, since it could change when new media is
1510          * inserted.
1511          */
1512         if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)
1513                 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1514
1515         softc->flags &= ~DA_FLAG_OPEN;
1516         while (softc->refcount != 0)
1517                 cam_periph_sleep(periph, &softc->refcount, PRIBIO, "daclose", 1);
1518         cam_periph_unlock(periph);
1519         cam_periph_release(periph);
1520         return (0);
1521 }
1522
1523 static void
1524 daschedule(struct cam_periph *periph)
1525 {
1526         struct da_softc *softc = (struct da_softc *)periph->softc;
1527
1528         if (softc->state != DA_STATE_NORMAL)
1529                 return;
1530
1531         cam_iosched_schedule(softc->cam_iosched, periph);
1532 }
1533
1534 /*
1535  * Actually translate the requested transfer into one the physical driver
1536  * can understand.  The transfer is described by a buf and will include
1537  * only one physical transfer.
1538  */
1539 static void
1540 dastrategy(struct bio *bp)
1541 {
1542         struct cam_periph *periph;
1543         struct da_softc *softc;
1544         
1545         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1546         softc = (struct da_softc *)periph->softc;
1547
1548         cam_periph_lock(periph);
1549
1550         /*
1551          * If the device has been made invalid, error out
1552          */
1553         if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1554                 cam_periph_unlock(periph);
1555                 biofinish(bp, NULL, ENXIO);
1556                 return;
1557         }
1558
1559         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp));
1560
1561         /*
1562          * Zone commands must be ordered, because they can depend on the
1563          * effects of previously issued commands, and they may affect
1564          * commands after them.
1565          */
1566         if (bp->bio_cmd == BIO_ZONE)
1567                 bp->bio_flags |= BIO_ORDERED;
1568
1569         /*
1570          * Place it in the queue of disk activities for this disk
1571          */
1572         cam_iosched_queue_work(softc->cam_iosched, bp);
1573
1574         /*
1575          * Schedule ourselves for performing the work.
1576          */
1577         daschedule(periph);
1578         cam_periph_unlock(periph);
1579
1580         return;
1581 }
1582
1583 static int
1584 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1585 {
1586         struct      cam_periph *periph;
1587         struct      da_softc *softc;
1588         u_int       secsize;
1589         struct      ccb_scsiio csio;
1590         struct      disk *dp;
1591         int         error = 0;
1592
1593         dp = arg;
1594         periph = dp->d_drv1;
1595         softc = (struct da_softc *)periph->softc;
1596         cam_periph_lock(periph);
1597         secsize = softc->params.secsize;
1598         
1599         if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
1600                 cam_periph_unlock(periph);
1601                 return (ENXIO);
1602         }
1603
1604         if (length > 0) {
1605                 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1606                 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1607                 scsi_read_write(&csio,
1608                                 /*retries*/0,
1609                                 dadone,
1610                                 MSG_ORDERED_Q_TAG,
1611                                 /*read*/SCSI_RW_WRITE,
1612                                 /*byte2*/0,
1613                                 /*minimum_cmd_size*/ softc->minimum_cmd_size,
1614                                 offset / secsize,
1615                                 length / secsize,
1616                                 /*data_ptr*/(u_int8_t *) virtual,
1617                                 /*dxfer_len*/length,
1618                                 /*sense_len*/SSD_FULL_SIZE,
1619                                 da_default_timeout * 1000);
1620                 xpt_polled_action((union ccb *)&csio);
1621
1622                 error = cam_periph_error((union ccb *)&csio,
1623                     0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1624                 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1625                         cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1626                             /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1627                 if (error != 0)
1628                         printf("Aborting dump due to I/O error.\n");
1629                 cam_periph_unlock(periph);
1630                 return (error);
1631         }
1632                 
1633         /*
1634          * Sync the disk cache contents to the physical media.
1635          */
1636         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1637
1638                 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1639                 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1640                 scsi_synchronize_cache(&csio,
1641                                        /*retries*/0,
1642                                        /*cbfcnp*/dadone,
1643                                        MSG_SIMPLE_Q_TAG,
1644                                        /*begin_lba*/0,/* Cover the whole disk */
1645                                        /*lb_count*/0,
1646                                        SSD_FULL_SIZE,
1647                                        5 * 1000);
1648                 xpt_polled_action((union ccb *)&csio);
1649
1650                 error = cam_periph_error((union ccb *)&csio,
1651                     0, SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, NULL);
1652                 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1653                         cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1654                             /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1655                 if (error != 0)
1656                         xpt_print(periph->path, "Synchronize cache failed\n");
1657         }
1658         cam_periph_unlock(periph);
1659         return (error);
1660 }
1661
1662 static int
1663 dagetattr(struct bio *bp)
1664 {
1665         int ret;
1666         struct cam_periph *periph;
1667
1668         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1669         cam_periph_lock(periph);
1670         ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1671             periph->path);
1672         cam_periph_unlock(periph);
1673         if (ret == 0)
1674                 bp->bio_completed = bp->bio_length;
1675         return ret;
1676 }
1677
1678 static void
1679 dainit(void)
1680 {
1681         cam_status status;
1682
1683         /*
1684          * Install a global async callback.  This callback will
1685          * receive async callbacks like "new device found".
1686          */
1687         status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
1688
1689         if (status != CAM_REQ_CMP) {
1690                 printf("da: Failed to attach master async callback "
1691                        "due to status 0x%x!\n", status);
1692         } else if (da_send_ordered) {
1693
1694                 /* Register our shutdown event handler */
1695                 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown, 
1696                                            NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1697                     printf("dainit: shutdown event registration failed!\n");
1698         }
1699 }
1700
1701 /*
1702  * Callback from GEOM, called when it has finished cleaning up its
1703  * resources.
1704  */
1705 static void
1706 dadiskgonecb(struct disk *dp)
1707 {
1708         struct cam_periph *periph;
1709
1710         periph = (struct cam_periph *)dp->d_drv1;
1711         cam_periph_release(periph);
1712 }
1713
1714 static void
1715 daoninvalidate(struct cam_periph *periph)
1716 {
1717         struct da_softc *softc;
1718
1719         softc = (struct da_softc *)periph->softc;
1720
1721         /*
1722          * De-register any async callbacks.
1723          */
1724         xpt_register_async(0, daasync, periph, periph->path);
1725
1726         softc->flags |= DA_FLAG_PACK_INVALID;
1727 #ifdef CAM_IO_STATS
1728         softc->invalidations++;
1729 #endif
1730
1731         /*
1732          * Return all queued I/O with ENXIO.
1733          * XXX Handle any transactions queued to the card
1734          *     with XPT_ABORT_CCB.
1735          */
1736         cam_iosched_flush(softc->cam_iosched, NULL, ENXIO);
1737
1738         /*
1739          * Tell GEOM that we've gone away, we'll get a callback when it is
1740          * done cleaning up its resources.
1741          */
1742         disk_gone(softc->disk);
1743 }
1744
1745 static void
1746 dacleanup(struct cam_periph *periph)
1747 {
1748         struct da_softc *softc;
1749
1750         softc = (struct da_softc *)periph->softc;
1751
1752         cam_periph_unlock(periph);
1753
1754         cam_iosched_fini(softc->cam_iosched);
1755
1756         /*
1757          * If we can't free the sysctl tree, oh well...
1758          */
1759         if ((softc->flags & DA_FLAG_SCTX_INIT) != 0) {
1760 #ifdef CAM_IO_STATS
1761                 if (sysctl_ctx_free(&softc->sysctl_stats_ctx) != 0)
1762                         xpt_print(periph->path,
1763                             "can't remove sysctl stats context\n");
1764 #endif
1765                 if (sysctl_ctx_free(&softc->sysctl_ctx) != 0)
1766                         xpt_print(periph->path,
1767                             "can't remove sysctl context\n");
1768         }
1769
1770         callout_drain(&softc->mediapoll_c);
1771         disk_destroy(softc->disk);
1772         callout_drain(&softc->sendordered_c);
1773         free(softc, M_DEVBUF);
1774         cam_periph_lock(periph);
1775 }
1776
1777 static void
1778 daasync(void *callback_arg, u_int32_t code,
1779         struct cam_path *path, void *arg)
1780 {
1781         struct cam_periph *periph;
1782         struct da_softc *softc;
1783
1784         periph = (struct cam_periph *)callback_arg;
1785         switch (code) {
1786         case AC_FOUND_DEVICE:
1787         {
1788                 struct ccb_getdev *cgd;
1789                 cam_status status;
1790  
1791                 cgd = (struct ccb_getdev *)arg;
1792                 if (cgd == NULL)
1793                         break;
1794
1795                 if (cgd->protocol != PROTO_SCSI)
1796                         break;
1797                 if (SID_QUAL(&cgd->inq_data) != SID_QUAL_LU_CONNECTED)
1798                         break;
1799                 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
1800                     && SID_TYPE(&cgd->inq_data) != T_RBC
1801                     && SID_TYPE(&cgd->inq_data) != T_OPTICAL
1802                     && SID_TYPE(&cgd->inq_data) != T_ZBC_HM)
1803                         break;
1804
1805                 /*
1806                  * Allocate a peripheral instance for
1807                  * this device and start the probe
1808                  * process.
1809                  */
1810                 status = cam_periph_alloc(daregister, daoninvalidate,
1811                                           dacleanup, dastart,
1812                                           "da", CAM_PERIPH_BIO,
1813                                           path, daasync,
1814                                           AC_FOUND_DEVICE, cgd);
1815
1816                 if (status != CAM_REQ_CMP
1817                  && status != CAM_REQ_INPROG)
1818                         printf("daasync: Unable to attach to new device "
1819                                 "due to status 0x%x\n", status);
1820                 return;
1821         }
1822         case AC_ADVINFO_CHANGED:
1823         {
1824                 uintptr_t buftype;
1825
1826                 buftype = (uintptr_t)arg;
1827                 if (buftype == CDAI_TYPE_PHYS_PATH) {
1828                         struct da_softc *softc;
1829
1830                         softc = periph->softc;
1831                         disk_attr_changed(softc->disk, "GEOM::physpath",
1832                                           M_NOWAIT);
1833                 }
1834                 break;
1835         }
1836         case AC_UNIT_ATTENTION:
1837         {
1838                 union ccb *ccb;
1839                 int error_code, sense_key, asc, ascq;
1840
1841                 softc = (struct da_softc *)periph->softc;
1842                 ccb = (union ccb *)arg;
1843
1844                 /*
1845                  * Handle all UNIT ATTENTIONs except our own,
1846                  * as they will be handled by daerror().
1847                  */
1848                 if (xpt_path_periph(ccb->ccb_h.path) != periph &&
1849                     scsi_extract_sense_ccb(ccb,
1850                      &error_code, &sense_key, &asc, &ascq)) {
1851                         if (asc == 0x2A && ascq == 0x09) {
1852                                 xpt_print(ccb->ccb_h.path,
1853                                     "Capacity data has changed\n");
1854                                 softc->flags &= ~DA_FLAG_PROBED;
1855                                 dareprobe(periph);
1856                         } else if (asc == 0x28 && ascq == 0x00) {
1857                                 softc->flags &= ~DA_FLAG_PROBED;
1858                                 disk_media_changed(softc->disk, M_NOWAIT);
1859                         } else if (asc == 0x3F && ascq == 0x03) {
1860                                 xpt_print(ccb->ccb_h.path,
1861                                     "INQUIRY data has changed\n");
1862                                 softc->flags &= ~DA_FLAG_PROBED;
1863                                 dareprobe(periph);
1864                         }
1865                 }
1866                 cam_periph_async(periph, code, path, arg);
1867                 break;
1868         }
1869         case AC_SCSI_AEN:
1870                 softc = (struct da_softc *)periph->softc;
1871                 if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR)) {
1872                         if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
1873                                 cam_iosched_set_work_flags(softc->cam_iosched, DA_WORK_TUR);
1874                                 daschedule(periph);
1875                         }
1876                 }
1877                 /* FALLTHROUGH */
1878         case AC_SENT_BDR:
1879         case AC_BUS_RESET:
1880         {
1881                 struct ccb_hdr *ccbh;
1882
1883                 softc = (struct da_softc *)periph->softc;
1884                 /*
1885                  * Don't fail on the expected unit attention
1886                  * that will occur.
1887                  */
1888                 softc->flags |= DA_FLAG_RETRY_UA;
1889                 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
1890                         ccbh->ccb_state |= DA_CCB_RETRY_UA;
1891                 break;
1892         }
1893         case AC_INQ_CHANGED:
1894                 softc = (struct da_softc *)periph->softc;
1895                 softc->flags &= ~DA_FLAG_PROBED;
1896                 dareprobe(periph);
1897                 break;
1898         default:
1899                 break;
1900         }
1901         cam_periph_async(periph, code, path, arg);
1902 }
1903
1904 static void
1905 dasysctlinit(void *context, int pending)
1906 {
1907         struct cam_periph *periph;
1908         struct da_softc *softc;
1909         char tmpstr[80], tmpstr2[80];
1910         struct ccb_trans_settings cts;
1911
1912         periph = (struct cam_periph *)context;
1913         /*
1914          * periph was held for us when this task was enqueued
1915          */
1916         if (periph->flags & CAM_PERIPH_INVALID) {
1917                 cam_periph_release(periph);
1918                 return;
1919         }
1920
1921         softc = (struct da_softc *)periph->softc;
1922         snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
1923         snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1924
1925         sysctl_ctx_init(&softc->sysctl_ctx);
1926         softc->flags |= DA_FLAG_SCTX_INIT;
1927         softc->sysctl_tree = SYSCTL_ADD_NODE_WITH_LABEL(&softc->sysctl_ctx,
1928                 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
1929                 CTLFLAG_RD, 0, tmpstr, "device_index");
1930         if (softc->sysctl_tree == NULL) {
1931                 printf("dasysctlinit: unable to allocate sysctl tree\n");
1932                 cam_periph_release(periph);
1933                 return;
1934         }
1935
1936         /*
1937          * Now register the sysctl handler, so the user can change the value on
1938          * the fly.
1939          */
1940         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1941                 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RWTUN,
1942                 softc, 0, dadeletemethodsysctl, "A",
1943                 "BIO_DELETE execution method");
1944         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1945                 OID_AUTO, "delete_max", CTLTYPE_U64 | CTLFLAG_RW,
1946                 softc, 0, dadeletemaxsysctl, "Q",
1947                 "Maximum BIO_DELETE size");
1948         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1949                 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
1950                 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
1951                 "Minimum CDB size");
1952
1953         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1954                 OID_AUTO, "zone_mode", CTLTYPE_STRING | CTLFLAG_RD,
1955                 softc, 0, dazonemodesysctl, "A",
1956                 "Zone Mode");
1957         SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1958                 OID_AUTO, "zone_support", CTLTYPE_STRING | CTLFLAG_RD,
1959                 softc, 0, dazonesupsysctl, "A",
1960                 "Zone Support");
1961         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1962                 SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1963                 "optimal_seq_zones", CTLFLAG_RD, &softc->optimal_seq_zones,
1964                 "Optimal Number of Open Sequential Write Preferred Zones");
1965         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1966                 SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1967                 "optimal_nonseq_zones", CTLFLAG_RD,
1968                 &softc->optimal_nonseq_zones,
1969                 "Optimal Number of Non-Sequentially Written Sequential Write "
1970                 "Preferred Zones");
1971         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1972                 SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO,
1973                 "max_seq_zones", CTLFLAG_RD, &softc->max_seq_zones,
1974                 "Maximum Number of Open Sequential Write Required Zones");
1975
1976         SYSCTL_ADD_INT(&softc->sysctl_ctx,
1977                        SYSCTL_CHILDREN(softc->sysctl_tree),
1978                        OID_AUTO,
1979                        "error_inject",
1980                        CTLFLAG_RW,
1981                        &softc->error_inject,
1982                        0,
1983                        "error_inject leaf");
1984
1985         SYSCTL_ADD_INT(&softc->sysctl_ctx,
1986                        SYSCTL_CHILDREN(softc->sysctl_tree),
1987                        OID_AUTO,
1988                        "unmapped_io",
1989                        CTLFLAG_RD, 
1990                        &softc->unmappedio,
1991                        0,
1992                        "Unmapped I/O leaf");
1993
1994         SYSCTL_ADD_INT(&softc->sysctl_ctx,
1995                        SYSCTL_CHILDREN(softc->sysctl_tree),
1996                        OID_AUTO,
1997                        "rotating",
1998                        CTLFLAG_RD, 
1999                        &softc->rotating,
2000                        0,
2001                        "Rotating media");
2002
2003         /*
2004          * Add some addressing info.
2005          */
2006         memset(&cts, 0, sizeof (cts));
2007         xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
2008         cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
2009         cts.type = CTS_TYPE_CURRENT_SETTINGS;
2010         cam_periph_lock(periph);
2011         xpt_action((union ccb *)&cts);
2012         cam_periph_unlock(periph);
2013         if (cts.ccb_h.status != CAM_REQ_CMP) {
2014                 cam_periph_release(periph);
2015                 return;
2016         }
2017         if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) {
2018                 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc;
2019                 if (fc->valid & CTS_FC_VALID_WWPN) {
2020                         softc->wwpn = fc->wwpn;
2021                         SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
2022                             SYSCTL_CHILDREN(softc->sysctl_tree),
2023                             OID_AUTO, "wwpn", CTLFLAG_RD,
2024                             &softc->wwpn, "World Wide Port Name");
2025                 }
2026         }
2027
2028 #ifdef CAM_IO_STATS
2029         /*
2030          * Now add some useful stats.
2031          * XXX These should live in cam_periph and be common to all periphs
2032          */
2033         softc->sysctl_stats_tree = SYSCTL_ADD_NODE(&softc->sysctl_stats_ctx,
2034             SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "stats",
2035             CTLFLAG_RD, 0, "Statistics");
2036         SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2037                        SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2038                        OID_AUTO,
2039                        "errors",
2040                        CTLFLAG_RD,
2041                        &softc->errors,
2042                        0,
2043                        "Transport errors reported by the SIM");
2044         SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2045                        SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2046                        OID_AUTO,
2047                        "timeouts",
2048                        CTLFLAG_RD,
2049                        &softc->timeouts,
2050                        0,
2051                        "Device timeouts reported by the SIM");
2052         SYSCTL_ADD_INT(&softc->sysctl_stats_ctx,
2053                        SYSCTL_CHILDREN(softc->sysctl_stats_tree),
2054                        OID_AUTO,
2055                        "pack_invalidations",
2056                        CTLFLAG_RD,
2057                        &softc->invalidations,
2058                        0,
2059                        "Device pack invalidations");
2060 #endif
2061
2062         cam_iosched_sysctl_init(softc->cam_iosched, &softc->sysctl_ctx,
2063             softc->sysctl_tree);
2064
2065         cam_periph_release(periph);
2066 }
2067
2068 static int
2069 dadeletemaxsysctl(SYSCTL_HANDLER_ARGS)
2070 {
2071         int error;
2072         uint64_t value;
2073         struct da_softc *softc;
2074
2075         softc = (struct da_softc *)arg1;
2076
2077         value = softc->disk->d_delmaxsize;
2078         error = sysctl_handle_64(oidp, &value, 0, req);
2079         if ((error != 0) || (req->newptr == NULL))
2080                 return (error);
2081
2082         /* only accept values smaller than the calculated value */
2083         if (value > dadeletemaxsize(softc, softc->delete_method)) {
2084                 return (EINVAL);
2085         }
2086         softc->disk->d_delmaxsize = value;
2087
2088         return (0);
2089 }
2090
2091 static int
2092 dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
2093 {
2094         int error, value;
2095
2096         value = *(int *)arg1;
2097
2098         error = sysctl_handle_int(oidp, &value, 0, req);
2099
2100         if ((error != 0)
2101          || (req->newptr == NULL))
2102                 return (error);
2103
2104         /*
2105          * Acceptable values here are 6, 10, 12 or 16.
2106          */
2107         if (value < 6)
2108                 value = 6;
2109         else if ((value > 6)
2110               && (value <= 10))
2111                 value = 10;
2112         else if ((value > 10)
2113               && (value <= 12))
2114                 value = 12;
2115         else if (value > 12)
2116                 value = 16;
2117
2118         *(int *)arg1 = value;
2119
2120         return (0);
2121 }
2122
2123 static int
2124 dasysctlsofttimeout(SYSCTL_HANDLER_ARGS)
2125 {
2126         sbintime_t value;
2127         int error;
2128
2129         value = da_default_softtimeout / SBT_1MS;
2130
2131         error = sysctl_handle_int(oidp, (int *)&value, 0, req);
2132         if ((error != 0) || (req->newptr == NULL))
2133                 return (error);
2134
2135         /* XXX Should clip this to a reasonable level */
2136         if (value > da_default_timeout * 1000)
2137                 return (EINVAL);
2138
2139         da_default_softtimeout = value * SBT_1MS;
2140         return (0);
2141 }
2142
2143 static void
2144 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method)
2145 {
2146
2147         softc->delete_method = delete_method;
2148         softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method);
2149         softc->delete_func = da_delete_functions[delete_method];
2150
2151         if (softc->delete_method > DA_DELETE_DISABLE)
2152                 softc->disk->d_flags |= DISKFLAG_CANDELETE;
2153         else
2154                 softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
2155 }
2156
2157 static off_t
2158 dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method)
2159 {
2160         off_t sectors;
2161
2162         switch(delete_method) {
2163         case DA_DELETE_UNMAP:
2164                 sectors = (off_t)softc->unmap_max_lba;
2165                 break;
2166         case DA_DELETE_ATA_TRIM:
2167                 sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
2168                 break;
2169         case DA_DELETE_WS16:
2170                 sectors = omin(softc->ws_max_blks, WS16_MAX_BLKS);
2171                 break;
2172         case DA_DELETE_ZERO:
2173         case DA_DELETE_WS10:
2174                 sectors = omin(softc->ws_max_blks, WS10_MAX_BLKS);
2175                 break;
2176         default:
2177                 return 0;
2178         }
2179
2180         return (off_t)softc->params.secsize *
2181             omin(sectors, softc->params.sectors);
2182 }
2183
2184 static void
2185 daprobedone(struct cam_periph *periph, union ccb *ccb)
2186 {
2187         struct da_softc *softc;
2188
2189         softc = (struct da_softc *)periph->softc;
2190
2191         dadeletemethodchoose(softc, DA_DELETE_NONE);
2192
2193         if (bootverbose && (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2194                 char buf[80];
2195                 int i, sep;
2196
2197                 snprintf(buf, sizeof(buf), "Delete methods: <");
2198                 sep = 0;
2199                 for (i = 0; i <= DA_DELETE_MAX; i++) {
2200                         if ((softc->delete_available & (1 << i)) == 0 &&
2201                             i != softc->delete_method)
2202                                 continue;
2203                         if (sep)
2204                                 strlcat(buf, ",", sizeof(buf));
2205                         strlcat(buf, da_delete_method_names[i],
2206                             sizeof(buf));
2207                         if (i == softc->delete_method)
2208                                 strlcat(buf, "(*)", sizeof(buf));
2209                         sep = 1;
2210                 }
2211                 strlcat(buf, ">", sizeof(buf));
2212                 printf("%s%d: %s\n", periph->periph_name,
2213                     periph->unit_number, buf);
2214         }
2215
2216         /*
2217          * Since our peripheral may be invalidated by an error
2218          * above or an external event, we must release our CCB
2219          * before releasing the probe lock on the peripheral.
2220          * The peripheral will only go away once the last lock
2221          * is removed, and we need it around for the CCB release
2222          * operation.
2223          */
2224         xpt_release_ccb(ccb);
2225         softc->state = DA_STATE_NORMAL;
2226         softc->flags |= DA_FLAG_PROBED;
2227         daschedule(periph);
2228         wakeup(&softc->disk->d_mediasize);
2229         if ((softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2230                 softc->flags |= DA_FLAG_ANNOUNCED;
2231                 cam_periph_unhold(periph);
2232         } else
2233                 cam_periph_release_locked(periph);
2234 }
2235
2236 static void
2237 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method)
2238 {
2239         int i, methods;
2240
2241         /* If available, prefer the method requested by user. */
2242         i = softc->delete_method_pref;
2243         methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
2244         if (methods & (1 << i)) {
2245                 dadeletemethodset(softc, i);
2246                 return;
2247         }
2248
2249         /* Use the pre-defined order to choose the best performing delete. */
2250         for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
2251                 if (i == DA_DELETE_ZERO)
2252                         continue;
2253                 if (softc->delete_available & (1 << i)) {
2254                         dadeletemethodset(softc, i);
2255                         return;
2256                 }
2257         }
2258
2259         /* Fallback to default. */
2260         dadeletemethodset(softc, default_method);
2261 }
2262
2263 static int
2264 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
2265 {
2266         char buf[16];
2267         const char *p;
2268         struct da_softc *softc;
2269         int i, error, methods, value;
2270
2271         softc = (struct da_softc *)arg1;
2272
2273         value = softc->delete_method;
2274         if (value < 0 || value > DA_DELETE_MAX)
2275                 p = "UNKNOWN";
2276         else
2277                 p = da_delete_method_names[value];
2278         strncpy(buf, p, sizeof(buf));
2279         error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
2280         if (error != 0 || req->newptr == NULL)
2281                 return (error);
2282         methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
2283         for (i = 0; i <= DA_DELETE_MAX; i++) {
2284                 if (strcmp(buf, da_delete_method_names[i]) == 0)
2285                         break;
2286         }
2287         if (i > DA_DELETE_MAX)
2288                 return (EINVAL);
2289         softc->delete_method_pref = i;
2290         dadeletemethodchoose(softc, DA_DELETE_NONE);
2291         return (0);
2292 }
2293
2294 static int
2295 dazonemodesysctl(SYSCTL_HANDLER_ARGS)
2296 {
2297         char tmpbuf[40];
2298         struct da_softc *softc;
2299         int error;
2300
2301         softc = (struct da_softc *)arg1;
2302
2303         switch (softc->zone_mode) {
2304         case DA_ZONE_DRIVE_MANAGED:
2305                 snprintf(tmpbuf, sizeof(tmpbuf), "Drive Managed");
2306                 break;
2307         case DA_ZONE_HOST_AWARE:
2308                 snprintf(tmpbuf, sizeof(tmpbuf), "Host Aware");
2309                 break;
2310         case DA_ZONE_HOST_MANAGED:
2311                 snprintf(tmpbuf, sizeof(tmpbuf), "Host Managed");
2312                 break;
2313         case DA_ZONE_NONE:
2314         default:
2315                 snprintf(tmpbuf, sizeof(tmpbuf), "Not Zoned");
2316                 break;
2317         }
2318
2319         error = sysctl_handle_string(oidp, tmpbuf, sizeof(tmpbuf), req);
2320
2321         return (error);
2322 }
2323
2324 static int
2325 dazonesupsysctl(SYSCTL_HANDLER_ARGS)
2326 {
2327         char tmpbuf[180];
2328         struct da_softc *softc;
2329         struct sbuf sb;
2330         int error, first;
2331         unsigned int i;
2332
2333         softc = (struct da_softc *)arg1;
2334
2335         error = 0;
2336         first = 1;
2337         sbuf_new(&sb, tmpbuf, sizeof(tmpbuf), 0);
2338
2339         for (i = 0; i < sizeof(da_zone_desc_table) /
2340              sizeof(da_zone_desc_table[0]); i++) {
2341                 if (softc->zone_flags & da_zone_desc_table[i].value) {
2342                         if (first == 0)
2343                                 sbuf_printf(&sb, ", ");
2344                         else
2345                                 first = 0;
2346                         sbuf_cat(&sb, da_zone_desc_table[i].desc);
2347                 }
2348         }
2349
2350         if (first == 1)
2351                 sbuf_printf(&sb, "None");
2352
2353         sbuf_finish(&sb);
2354
2355         error = sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
2356
2357         return (error);
2358 }
2359
2360 static cam_status
2361 daregister(struct cam_periph *periph, void *arg)
2362 {
2363         struct da_softc *softc;
2364         struct ccb_pathinq cpi;
2365         struct ccb_getdev *cgd;
2366         char tmpstr[80];
2367         caddr_t match;
2368
2369         cgd = (struct ccb_getdev *)arg;
2370         if (cgd == NULL) {
2371                 printf("daregister: no getdev CCB, can't register device\n");
2372                 return(CAM_REQ_CMP_ERR);
2373         }
2374
2375         softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
2376             M_NOWAIT|M_ZERO);
2377
2378         if (softc == NULL) {
2379                 printf("daregister: Unable to probe new device. "
2380                        "Unable to allocate softc\n");
2381                 return(CAM_REQ_CMP_ERR);
2382         }
2383
2384         if (cam_iosched_init(&softc->cam_iosched, periph) != 0) {
2385                 printf("daregister: Unable to probe new device. "
2386                        "Unable to allocate iosched memory\n");
2387                 free(softc, M_DEVBUF);
2388                 return(CAM_REQ_CMP_ERR);
2389         }
2390         
2391         LIST_INIT(&softc->pending_ccbs);
2392         softc->state = DA_STATE_PROBE_RC;
2393         bioq_init(&softc->delete_run_queue);
2394         if (SID_IS_REMOVABLE(&cgd->inq_data))
2395                 softc->flags |= DA_FLAG_PACK_REMOVABLE;
2396         softc->unmap_max_ranges = UNMAP_MAX_RANGES;
2397         softc->unmap_max_lba = UNMAP_RANGE_MAX;
2398         softc->ws_max_blks = WS16_MAX_BLKS;
2399         softc->trim_max_ranges = ATA_TRIM_MAX_RANGES;
2400         softc->rotating = 1;
2401
2402         periph->softc = softc;
2403
2404         /*
2405          * See if this device has any quirks.
2406          */
2407         match = cam_quirkmatch((caddr_t)&cgd->inq_data,
2408                                (caddr_t)da_quirk_table,
2409                                nitems(da_quirk_table),
2410                                sizeof(*da_quirk_table), scsi_inquiry_match);
2411
2412         if (match != NULL)
2413                 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
2414         else
2415                 softc->quirks = DA_Q_NONE;
2416
2417         /* Check if the SIM does not want 6 byte commands */
2418         bzero(&cpi, sizeof(cpi));
2419         xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
2420         cpi.ccb_h.func_code = XPT_PATH_INQ;
2421         xpt_action((union ccb *)&cpi);
2422         if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
2423                 softc->quirks |= DA_Q_NO_6_BYTE;
2424
2425         if (SID_TYPE(&cgd->inq_data) == T_ZBC_HM)
2426                 softc->zone_mode = DA_ZONE_HOST_MANAGED;
2427         else if (softc->quirks & DA_Q_SMR_DM)
2428                 softc->zone_mode = DA_ZONE_DRIVE_MANAGED;
2429         else
2430                 softc->zone_mode = DA_ZONE_NONE;
2431
2432         if (softc->zone_mode != DA_ZONE_NONE) {
2433                 if (scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
2434                         if (scsi_vpd_supported_page(periph, SVPD_ZONED_BDC))
2435                                 softc->zone_interface = DA_ZONE_IF_ATA_SAT;
2436                         else
2437                                 softc->zone_interface = DA_ZONE_IF_ATA_PASS;
2438                 } else
2439                         softc->zone_interface = DA_ZONE_IF_SCSI;
2440         }
2441
2442         TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
2443
2444         /*
2445          * Take an exclusive refcount on the periph while dastart is called
2446          * to finish the probe.  The reference will be dropped in dadone at
2447          * the end of probe.
2448          */
2449         (void)cam_periph_hold(periph, PRIBIO);
2450
2451         /*
2452          * Schedule a periodic event to occasionally send an
2453          * ordered tag to a device.
2454          */
2455         callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
2456         callout_reset(&softc->sendordered_c,
2457             (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
2458             dasendorderedtag, softc);
2459
2460         cam_periph_unlock(periph);
2461         /*
2462          * RBC devices don't have to support READ(6), only READ(10).
2463          */
2464         if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
2465                 softc->minimum_cmd_size = 10;
2466         else
2467                 softc->minimum_cmd_size = 6;
2468
2469         /*
2470          * Load the user's default, if any.
2471          */
2472         snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
2473                  periph->unit_number);
2474         TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
2475
2476         /*
2477          * 6, 10, 12 and 16 are the currently permissible values.
2478          */
2479         if (softc->minimum_cmd_size < 6)
2480                 softc->minimum_cmd_size = 6;
2481         else if ((softc->minimum_cmd_size > 6)
2482               && (softc->minimum_cmd_size <= 10))
2483                 softc->minimum_cmd_size = 10;
2484         else if ((softc->minimum_cmd_size > 10)
2485               && (softc->minimum_cmd_size <= 12))
2486                 softc->minimum_cmd_size = 12;
2487         else if (softc->minimum_cmd_size > 12)
2488                 softc->minimum_cmd_size = 16;
2489
2490         /* Predict whether device may support READ CAPACITY(16). */
2491         if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 &&
2492             (softc->quirks & DA_Q_NO_RC16) == 0) {
2493                 softc->flags |= DA_FLAG_CAN_RC16;
2494                 softc->state = DA_STATE_PROBE_RC16;
2495         }
2496
2497         /*
2498          * Register this media as a disk.
2499          */
2500         softc->disk = disk_alloc();
2501         softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
2502                           periph->unit_number, 0,
2503                           DEVSTAT_BS_UNAVAILABLE,
2504                           SID_TYPE(&cgd->inq_data) |
2505                           XPORT_DEVSTAT_TYPE(cpi.transport),
2506                           DEVSTAT_PRIORITY_DISK);
2507         softc->disk->d_open = daopen;
2508         softc->disk->d_close = daclose;
2509         softc->disk->d_strategy = dastrategy;
2510         softc->disk->d_dump = dadump;
2511         softc->disk->d_getattr = dagetattr;
2512         softc->disk->d_gone = dadiskgonecb;
2513         softc->disk->d_name = "da";
2514         softc->disk->d_drv1 = periph;
2515         if (cpi.maxio == 0)
2516                 softc->maxio = DFLTPHYS;        /* traditional default */
2517         else if (cpi.maxio > MAXPHYS)
2518                 softc->maxio = MAXPHYS;         /* for safety */
2519         else
2520                 softc->maxio = cpi.maxio;
2521         softc->disk->d_maxsize = softc->maxio;
2522         softc->disk->d_unit = periph->unit_number;
2523         softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION | DISKFLAG_CANZONE;
2524         if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
2525                 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
2526         if ((cpi.hba_misc & PIM_UNMAPPED) != 0) {
2527                 softc->unmappedio = 1;
2528                 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
2529                 xpt_print(periph->path, "UNMAPPED\n");
2530         }
2531         cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
2532             sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
2533         strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
2534         cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
2535             cgd->inq_data.product, sizeof(cgd->inq_data.product),
2536             sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
2537         softc->disk->d_hba_vendor = cpi.hba_vendor;
2538         softc->disk->d_hba_device = cpi.hba_device;
2539         softc->disk->d_hba_subvendor = cpi.hba_subvendor;
2540         softc->disk->d_hba_subdevice = cpi.hba_subdevice;
2541
2542         /*
2543          * Acquire a reference to the periph before we register with GEOM.
2544          * We'll release this reference once GEOM calls us back (via
2545          * dadiskgonecb()) telling us that our provider has been freed.
2546          */
2547         if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
2548                 xpt_print(periph->path, "%s: lost periph during "
2549                           "registration!\n", __func__);
2550                 cam_periph_lock(periph);
2551                 return (CAM_REQ_CMP_ERR);
2552         }
2553
2554         disk_create(softc->disk, DISK_VERSION);
2555         cam_periph_lock(periph);
2556
2557         /*
2558          * Add async callbacks for events of interest.
2559          * I don't bother checking if this fails as,
2560          * in most cases, the system will function just
2561          * fine without them and the only alternative
2562          * would be to not attach the device on failure.
2563          */
2564         xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
2565             AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION |
2566             AC_INQ_CHANGED, daasync, periph, periph->path);
2567
2568         /*
2569          * Emit an attribute changed notification just in case 
2570          * physical path information arrived before our async
2571          * event handler was registered, but after anyone attaching
2572          * to our disk device polled it.
2573          */
2574         disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT);
2575
2576         /*
2577          * Schedule a periodic media polling events.
2578          */
2579         callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0);
2580         if ((softc->flags & DA_FLAG_PACK_REMOVABLE) &&
2581             (cgd->inq_flags & SID_AEN) == 0 &&
2582             da_poll_period != 0)
2583                 callout_reset(&softc->mediapoll_c, da_poll_period * hz,
2584                     damediapoll, periph);
2585
2586         xpt_schedule(periph, CAM_PRIORITY_DEV);
2587
2588         return(CAM_REQ_CMP);
2589 }
2590
2591 static int
2592 da_zone_bio_to_scsi(int disk_zone_cmd)
2593 {
2594         switch (disk_zone_cmd) {
2595         case DISK_ZONE_OPEN:
2596                 return ZBC_OUT_SA_OPEN;
2597         case DISK_ZONE_CLOSE:
2598                 return ZBC_OUT_SA_CLOSE;
2599         case DISK_ZONE_FINISH:
2600                 return ZBC_OUT_SA_FINISH;
2601         case DISK_ZONE_RWP:
2602                 return ZBC_OUT_SA_RWP;
2603         }
2604
2605         return -1;
2606 }
2607
2608 static int
2609 da_zone_cmd(struct cam_periph *periph, union ccb *ccb, struct bio *bp,
2610             int *queue_ccb)
2611 {
2612         struct da_softc *softc;
2613         int error;
2614
2615         error = 0;
2616
2617         if (bp->bio_cmd != BIO_ZONE) {
2618                 error = EINVAL;
2619                 goto bailout;
2620         }
2621
2622         softc = periph->softc;
2623
2624         switch (bp->bio_zone.zone_cmd) {
2625         case DISK_ZONE_OPEN:
2626         case DISK_ZONE_CLOSE:
2627         case DISK_ZONE_FINISH:
2628         case DISK_ZONE_RWP: {
2629                 int zone_flags;
2630                 int zone_sa;
2631                 uint64_t lba;
2632
2633                 zone_sa = da_zone_bio_to_scsi(bp->bio_zone.zone_cmd);
2634                 if (zone_sa == -1) {
2635                         xpt_print(periph->path, "Cannot translate zone "
2636                             "cmd %#x to SCSI\n", bp->bio_zone.zone_cmd);
2637                         error = EINVAL;
2638                         goto bailout;
2639                 }
2640
2641                 zone_flags = 0;
2642                 lba = bp->bio_zone.zone_params.rwp.id;
2643
2644                 if (bp->bio_zone.zone_params.rwp.flags &
2645                     DISK_ZONE_RWP_FLAG_ALL)
2646                         zone_flags |= ZBC_OUT_ALL;
2647
2648                 if (softc->zone_interface != DA_ZONE_IF_ATA_PASS) {
2649                         scsi_zbc_out(&ccb->csio,
2650                                      /*retries*/ da_retry_count,
2651                                      /*cbfcnp*/ dadone,
2652                                      /*tag_action*/ MSG_SIMPLE_Q_TAG,
2653                                      /*service_action*/ zone_sa,
2654                                      /*zone_id*/ lba,
2655                                      /*zone_flags*/ zone_flags,
2656                                      /*data_ptr*/ NULL,
2657                                      /*dxfer_len*/ 0,
2658                                      /*sense_len*/ SSD_FULL_SIZE,
2659                                      /*timeout*/ da_default_timeout * 1000);
2660                 } else {
2661                         /*
2662                          * Note that in this case, even though we can
2663                          * technically use NCQ, we don't bother for several
2664                          * reasons:
2665                          * 1. It hasn't been tested on a SAT layer that
2666                          *    supports it.  This is new as of SAT-4.
2667                          * 2. Even when there is a SAT layer that supports
2668                          *    it, that SAT layer will also probably support
2669                          *    ZBC -> ZAC translation, since they are both
2670                          *    in the SAT-4 spec.
2671                          * 3. Translation will likely be preferable to ATA
2672                          *    passthrough.  LSI / Avago at least single
2673                          *    steps ATA passthrough commands in the HBA,
2674                          *    regardless of protocol, so unless that
2675                          *    changes, there is a performance penalty for
2676                          *    doing ATA passthrough no matter whether
2677                          *    you're using NCQ/FPDMA, DMA or PIO.
2678                          * 4. It requires a 32-byte CDB, which at least at
2679                          *    this point in CAM requires a CDB pointer, which
2680                          *    would require us to allocate an additional bit
2681                          *    of storage separate from the CCB.
2682                          */
2683                         error = scsi_ata_zac_mgmt_out(&ccb->csio,
2684                             /*retries*/ da_retry_count,
2685                             /*cbfcnp*/ dadone,
2686                             /*tag_action*/ MSG_SIMPLE_Q_TAG,
2687                             /*use_ncq*/ 0,
2688                             /*zm_action*/ zone_sa,
2689                             /*zone_id*/ lba,
2690                             /*zone_flags*/ zone_flags,
2691                             /*data_ptr*/ NULL,
2692                             /*dxfer_len*/ 0,
2693                             /*cdb_storage*/ NULL,
2694                             /*cdb_storage_len*/ 0,
2695                             /*sense_len*/ SSD_FULL_SIZE,
2696                             /*timeout*/ da_default_timeout * 1000);
2697                         if (error != 0) {
2698                                 error = EINVAL;
2699                                 xpt_print(periph->path,
2700                                     "scsi_ata_zac_mgmt_out() returned an "
2701                                     "error!");
2702                                 goto bailout;
2703                         }
2704                 }
2705                 *queue_ccb = 1;
2706
2707                 break;
2708         }
2709         case DISK_ZONE_REPORT_ZONES: {
2710                 uint8_t *rz_ptr;
2711                 uint32_t num_entries, alloc_size;
2712                 struct disk_zone_report *rep;
2713
2714                 rep = &bp->bio_zone.zone_params.report;
2715
2716                 num_entries = rep->entries_allocated;
2717                 if (num_entries == 0) {
2718                         xpt_print(periph->path, "No entries allocated for "
2719                             "Report Zones request\n");
2720                         error = EINVAL;
2721                         goto bailout;
2722                 }
2723                 alloc_size = sizeof(struct scsi_report_zones_hdr) +
2724                     (sizeof(struct scsi_report_zones_desc) * num_entries);
2725                 alloc_size = min(alloc_size, softc->disk->d_maxsize);
2726                 rz_ptr = malloc(alloc_size, M_SCSIDA, M_NOWAIT | M_ZERO);
2727                 if (rz_ptr == NULL) {
2728                         xpt_print(periph->path, "Unable to allocate memory "
2729                            "for Report Zones request\n");
2730                         error = ENOMEM;
2731                         goto bailout;
2732                 }
2733                 
2734                 if (softc->zone_interface != DA_ZONE_IF_ATA_PASS) {
2735                         scsi_zbc_in(&ccb->csio,
2736                                     /*retries*/ da_retry_count,
2737                                     /*cbcfnp*/ dadone,
2738                                     /*tag_action*/ MSG_SIMPLE_Q_TAG,
2739                                     /*service_action*/ ZBC_IN_SA_REPORT_ZONES,
2740                                     /*zone_start_lba*/ rep->starting_id,
2741                                     /*zone_options*/ rep->rep_options,
2742                                     /*data_ptr*/ rz_ptr,
2743                                     /*dxfer_len*/ alloc_size,
2744                                     /*sense_len*/ SSD_FULL_SIZE,
2745                                     /*timeout*/ da_default_timeout * 1000);
2746                 } else {
2747                         /*
2748                          * Note that in this case, even though we can
2749                          * technically use NCQ, we don't bother for several
2750                          * reasons:
2751                          * 1. It hasn't been tested on a SAT layer that
2752                          *    supports it.  This is new as of SAT-4.
2753                          * 2. Even when there is a SAT layer that supports
2754                          *    it, that SAT layer will also probably support
2755                          *    ZBC -> ZAC translation, since they are both
2756                          *    in the SAT-4 spec.
2757                          * 3. Translation will likely be preferable to ATA
2758                          *    passthrough.  LSI / Avago at least single
2759                          *    steps ATA passthrough commands in the HBA,
2760                          *    regardless of protocol, so unless that
2761                          *    changes, there is a performance penalty for
2762                          *    doing ATA passthrough no matter whether
2763                          *    you're using NCQ/FPDMA, DMA or PIO.
2764                          * 4. It requires a 32-byte CDB, which at least at
2765                          *    this point in CAM requires a CDB pointer, which
2766                          *    would require us to allocate an additional bit
2767                          *    of storage separate from the CCB.
2768                          */
2769                         error = scsi_ata_zac_mgmt_in(&ccb->csio,
2770                             /*retries*/ da_retry_count,
2771                             /*cbcfnp*/ dadone,
2772                             /*tag_action*/ MSG_SIMPLE_Q_TAG,
2773                             /*use_ncq*/ 0,
2774                             /*zm_action*/ ATA_ZM_REPORT_ZONES,
2775                             /*zone_id*/ rep->starting_id,
2776                             /*zone_flags*/ rep->rep_options,
2777                             /*data_ptr*/ rz_ptr,
2778                             /*dxfer_len*/ alloc_size,
2779                             /*cdb_storage*/ NULL,
2780                             /*cdb_storage_len*/ 0,
2781                             /*sense_len*/ SSD_FULL_SIZE,
2782                             /*timeout*/ da_default_timeout * 1000);
2783                         if (error != 0) {
2784                                 error = EINVAL;
2785                                 xpt_print(periph->path,
2786                                     "scsi_ata_zac_mgmt_in() returned an "
2787                                     "error!");
2788                                 goto bailout;
2789                         }
2790                 }
2791
2792                 /*
2793                  * For BIO_ZONE, this isn't normally needed.  However, it
2794                  * is used by devstat_end_transaction_bio() to determine
2795                  * how much data was transferred.
2796                  */
2797                 /*
2798                  * XXX KDM we have a problem.  But I'm not sure how to fix
2799                  * it.  devstat uses bio_bcount - bio_resid to calculate
2800                  * the amount of data transferred.   The GEOM disk code
2801                  * uses bio_length - bio_resid to calculate the amount of
2802                  * data in bio_completed.  We have different structure
2803                  * sizes above and below the ada(4) driver.  So, if we
2804                  * use the sizes above, the amount transferred won't be
2805                  * quite accurate for devstat.  If we use different sizes
2806                  * for bio_bcount and bio_length (above and below
2807                  * respectively), then the residual needs to match one or
2808                  * the other.  Everything is calculated after the bio
2809                  * leaves the driver, so changing the values around isn't
2810                  * really an option.  For now, just set the count to the
2811                  * passed in length.  This means that the calculations
2812                  * above (e.g. bio_completed) will be correct, but the
2813                  * amount of data reported to devstat will be slightly
2814                  * under or overstated.
2815                  */
2816                 bp->bio_bcount = bp->bio_length;
2817
2818                 *queue_ccb = 1;
2819
2820                 break;
2821         }
2822         case DISK_ZONE_GET_PARAMS: {
2823                 struct disk_zone_disk_params *params;
2824
2825                 params = &bp->bio_zone.zone_params.disk_params;
2826                 bzero(params, sizeof(*params));
2827
2828                 switch (softc->zone_mode) {
2829                 case DA_ZONE_DRIVE_MANAGED:
2830                         params->zone_mode = DISK_ZONE_MODE_DRIVE_MANAGED;
2831                         break;
2832                 case DA_ZONE_HOST_AWARE:
2833                         params->zone_mode = DISK_ZONE_MODE_HOST_AWARE;
2834                         break;
2835                 case DA_ZONE_HOST_MANAGED:
2836                         params->zone_mode = DISK_ZONE_MODE_HOST_MANAGED;
2837                         break;
2838                 default:
2839                 case DA_ZONE_NONE:
2840                         params->zone_mode = DISK_ZONE_MODE_NONE;
2841                         break;
2842                 }
2843
2844                 if (softc->zone_flags & DA_ZONE_FLAG_URSWRZ)
2845                         params->flags |= DISK_ZONE_DISK_URSWRZ;
2846
2847                 if (softc->zone_flags & DA_ZONE_FLAG_OPT_SEQ_SET) {
2848                         params->optimal_seq_zones = softc->optimal_seq_zones;
2849                         params->flags |= DISK_ZONE_OPT_SEQ_SET;
2850                 }
2851
2852                 if (softc->zone_flags & DA_ZONE_FLAG_OPT_NONSEQ_SET) {
2853                         params->optimal_nonseq_zones =
2854                             softc->optimal_nonseq_zones;
2855                         params->flags |= DISK_ZONE_OPT_NONSEQ_SET;
2856                 }
2857
2858                 if (softc->zone_flags & DA_ZONE_FLAG_MAX_SEQ_SET) {
2859                         params->max_seq_zones = softc->max_seq_zones;
2860                         params->flags |= DISK_ZONE_MAX_SEQ_SET;
2861                 }
2862                 if (softc->zone_flags & DA_ZONE_FLAG_RZ_SUP)
2863                         params->flags |= DISK_ZONE_RZ_SUP;
2864
2865                 if (softc->zone_flags & DA_ZONE_FLAG_OPEN_SUP)
2866                         params->flags |= DISK_ZONE_OPEN_SUP;
2867
2868                 if (softc->zone_flags & DA_ZONE_FLAG_CLOSE_SUP)
2869                         params->flags |= DISK_ZONE_CLOSE_SUP;
2870
2871                 if (softc->zone_flags & DA_ZONE_FLAG_FINISH_SUP)
2872                         params->flags |= DISK_ZONE_FINISH_SUP;
2873
2874                 if (softc->zone_flags & DA_ZONE_FLAG_RWP_SUP)
2875                         params->flags |= DISK_ZONE_RWP_SUP;
2876                 break;
2877         }
2878         default:
2879                 break;
2880         }
2881 bailout:
2882         return (error);
2883 }
2884
2885 static void
2886 dastart(struct cam_periph *periph, union ccb *start_ccb)
2887 {
2888         struct da_softc *softc;
2889
2890         softc = (struct da_softc *)periph->softc;
2891
2892         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n"));
2893
2894 skipstate:
2895         switch (softc->state) {
2896         case DA_STATE_NORMAL:
2897         {
2898                 struct bio *bp;
2899                 uint8_t tag_code;
2900
2901 more:
2902                 bp = cam_iosched_next_bio(softc->cam_iosched);
2903                 if (bp == NULL) {
2904                         if (cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR)) {
2905                                 cam_iosched_clr_work_flags(softc->cam_iosched, DA_WORK_TUR);
2906                                 scsi_test_unit_ready(&start_ccb->csio,
2907                                      /*retries*/ da_retry_count,
2908                                      dadone,
2909                                      MSG_SIMPLE_Q_TAG,
2910                                      SSD_FULL_SIZE,
2911                                      da_default_timeout * 1000);
2912                                 start_ccb->ccb_h.ccb_bp = NULL;
2913                                 start_ccb->ccb_h.ccb_state = DA_CCB_TUR;
2914                                 xpt_action(start_ccb);
2915                         } else
2916                                 xpt_release_ccb(start_ccb);
2917                         break;
2918                 }
2919
2920                 if (bp->bio_cmd == BIO_DELETE) {
2921                         if (softc->delete_func != NULL) {
2922                                 softc->delete_func(periph, start_ccb, bp);
2923                                 goto out;
2924                         } else {
2925                                 /* Not sure this is possible, but failsafe by lying and saying "sure, done." */
2926                                 biofinish(bp, NULL, 0);
2927                                 goto more;
2928                         }
2929                 }
2930
2931                 if (cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR)) {
2932                         cam_iosched_clr_work_flags(softc->cam_iosched, DA_WORK_TUR);
2933                         cam_periph_release_locked(periph);      /* XXX is this still valid? I think so but unverified */
2934                 }
2935
2936                 if ((bp->bio_flags & BIO_ORDERED) != 0 ||
2937                     (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
2938                         softc->flags &= ~DA_FLAG_NEED_OTAG;
2939                         softc->flags |= DA_FLAG_WAS_OTAG;
2940                         tag_code = MSG_ORDERED_Q_TAG;
2941                 } else {
2942                         tag_code = MSG_SIMPLE_Q_TAG;
2943                 }
2944
2945                 switch (bp->bio_cmd) {
2946                 case BIO_WRITE:
2947                 case BIO_READ:
2948                 {
2949                         void *data_ptr;
2950                         int rw_op;
2951
2952                         biotrack(bp, __func__);
2953
2954                         if (bp->bio_cmd == BIO_WRITE) {
2955                                 softc->flags |= DA_FLAG_DIRTY;
2956                                 rw_op = SCSI_RW_WRITE;
2957                         } else {
2958                                 rw_op = SCSI_RW_READ;
2959                         }
2960
2961                         data_ptr = bp->bio_data;
2962                         if ((bp->bio_flags & (BIO_UNMAPPED|BIO_VLIST)) != 0) {
2963                                 rw_op |= SCSI_RW_BIO;
2964                                 data_ptr = bp;
2965                         }
2966
2967                         scsi_read_write(&start_ccb->csio,
2968                                         /*retries*/da_retry_count,
2969                                         /*cbfcnp*/dadone,
2970                                         /*tag_action*/tag_code,
2971                                         rw_op,
2972                                         /*byte2*/0,
2973                                         softc->minimum_cmd_size,
2974                                         /*lba*/bp->bio_pblkno,
2975                                         /*block_count*/bp->bio_bcount /
2976                                         softc->params.secsize,
2977                                         data_ptr,
2978                                         /*dxfer_len*/ bp->bio_bcount,
2979                                         /*sense_len*/SSD_FULL_SIZE,
2980                                         da_default_timeout * 1000);
2981 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
2982                         start_ccb->csio.bio = bp;
2983 #endif
2984                         break;
2985                 }
2986                 case BIO_FLUSH:
2987                         /*
2988                          * BIO_FLUSH doesn't currently communicate
2989                          * range data, so we synchronize the cache
2990                          * over the whole disk.  We also force
2991                          * ordered tag semantics the flush applies
2992                          * to all previously queued I/O.
2993                          */
2994                         scsi_synchronize_cache(&start_ccb->csio,
2995                                                /*retries*/1,
2996                                                /*cbfcnp*/dadone,
2997                                                MSG_ORDERED_Q_TAG,
2998                                                /*begin_lba*/0,
2999                                                /*lb_count*/0,
3000                                                SSD_FULL_SIZE,
3001                                                da_default_timeout*1000);
3002                         break;
3003                 case BIO_ZONE: {
3004                         int error, queue_ccb;
3005
3006                         queue_ccb = 0;
3007
3008                         error = da_zone_cmd(periph, start_ccb, bp,&queue_ccb);
3009                         if ((error != 0)
3010                          || (queue_ccb == 0)) {
3011                                 biofinish(bp, NULL, error);
3012                                 xpt_release_ccb(start_ccb);
3013                                 return;
3014                         }
3015                         break;
3016                 }
3017                 }
3018                 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
3019                 start_ccb->ccb_h.flags |= CAM_UNLOCKED;
3020                 start_ccb->ccb_h.softtimeout = sbttotv(da_default_softtimeout);
3021
3022 out:
3023                 LIST_INSERT_HEAD(&softc->pending_ccbs,
3024                                  &start_ccb->ccb_h, periph_links.le);
3025
3026                 /* We expect a unit attention from this device */
3027                 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
3028                         start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
3029                         softc->flags &= ~DA_FLAG_RETRY_UA;
3030                 }
3031
3032                 start_ccb->ccb_h.ccb_bp = bp;
3033                 softc->refcount++;
3034                 cam_periph_unlock(periph);
3035                 xpt_action(start_ccb);
3036                 cam_periph_lock(periph);
3037                 softc->refcount--;
3038
3039                 /* May have more work to do, so ensure we stay scheduled */
3040                 daschedule(periph);
3041                 break;
3042         }
3043         case DA_STATE_PROBE_RC:
3044         {
3045                 struct scsi_read_capacity_data *rcap;
3046
3047                 rcap = (struct scsi_read_capacity_data *)
3048                     malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO);
3049                 if (rcap == NULL) {
3050                         printf("dastart: Couldn't malloc read_capacity data\n");
3051                         /* da_free_periph??? */
3052                         break;
3053                 }
3054                 scsi_read_capacity(&start_ccb->csio,
3055                                    /*retries*/da_retry_count,
3056                                    dadone,
3057                                    MSG_SIMPLE_Q_TAG,
3058                                    rcap,
3059                                    SSD_FULL_SIZE,
3060                                    /*timeout*/5000);
3061                 start_ccb->ccb_h.ccb_bp = NULL;
3062                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC;
3063                 xpt_action(start_ccb);
3064                 break;
3065         }
3066         case DA_STATE_PROBE_RC16:
3067         {
3068                 struct scsi_read_capacity_data_long *rcaplong;
3069
3070                 rcaplong = (struct scsi_read_capacity_data_long *)
3071                         malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO);
3072                 if (rcaplong == NULL) {
3073                         printf("dastart: Couldn't malloc read_capacity data\n");
3074                         /* da_free_periph??? */
3075                         break;
3076                 }
3077                 scsi_read_capacity_16(&start_ccb->csio,
3078                                       /*retries*/ da_retry_count,
3079                                       /*cbfcnp*/ dadone,
3080                                       /*tag_action*/ MSG_SIMPLE_Q_TAG,
3081                                       /*lba*/ 0,
3082                                       /*reladr*/ 0,
3083                                       /*pmi*/ 0,
3084                                       /*rcap_buf*/ (uint8_t *)rcaplong,
3085                                       /*rcap_buf_len*/ sizeof(*rcaplong),
3086                                       /*sense_len*/ SSD_FULL_SIZE,
3087                                       /*timeout*/ da_default_timeout * 1000);
3088                 start_ccb->ccb_h.ccb_bp = NULL;
3089                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16;
3090                 xpt_action(start_ccb);
3091                 break;
3092         }
3093         case DA_STATE_PROBE_LBP:
3094         {
3095                 struct scsi_vpd_logical_block_prov *lbp;
3096
3097                 if (!scsi_vpd_supported_page(periph, SVPD_LBP)) {
3098                         /*
3099                          * If we get here we don't support any SBC-3 delete
3100                          * methods with UNMAP as the Logical Block Provisioning
3101                          * VPD page support is required for devices which
3102                          * support it according to T10/1799-D Revision 31
3103                          * however older revisions of the spec don't mandate
3104                          * this so we currently don't remove these methods
3105                          * from the available set.
3106                          */
3107                         softc->state = DA_STATE_PROBE_BLK_LIMITS;
3108                         goto skipstate;
3109                 }
3110
3111                 lbp = (struct scsi_vpd_logical_block_prov *)
3112                         malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO);
3113
3114                 if (lbp == NULL) {
3115                         printf("dastart: Couldn't malloc lbp data\n");
3116                         /* da_free_periph??? */
3117                         break;
3118                 }
3119
3120                 scsi_inquiry(&start_ccb->csio,
3121                              /*retries*/da_retry_count,
3122                              /*cbfcnp*/dadone,
3123                              /*tag_action*/MSG_SIMPLE_Q_TAG,
3124                              /*inq_buf*/(u_int8_t *)lbp,
3125                              /*inq_len*/sizeof(*lbp),
3126                              /*evpd*/TRUE,
3127                              /*page_code*/SVPD_LBP,
3128                              /*sense_len*/SSD_MIN_SIZE,
3129                              /*timeout*/da_default_timeout * 1000);
3130                 start_ccb->ccb_h.ccb_bp = NULL;
3131                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP;
3132                 xpt_action(start_ccb);
3133                 break;
3134         }
3135         case DA_STATE_PROBE_BLK_LIMITS:
3136         {
3137                 struct scsi_vpd_block_limits *block_limits;
3138
3139                 if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) {
3140                         /* Not supported skip to next probe */
3141                         softc->state = DA_STATE_PROBE_BDC;
3142                         goto skipstate;
3143                 }
3144
3145                 block_limits = (struct scsi_vpd_block_limits *)
3146                         malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO);
3147
3148                 if (block_limits == NULL) {
3149                         printf("dastart: Couldn't malloc block_limits data\n");
3150                         /* da_free_periph??? */
3151                         break;
3152                 }
3153
3154                 scsi_inquiry(&start_ccb->csio,
3155                              /*retries*/da_retry_count,
3156                              /*cbfcnp*/dadone,
3157                              /*tag_action*/MSG_SIMPLE_Q_TAG,
3158                              /*inq_buf*/(u_int8_t *)block_limits,
3159                              /*inq_len*/sizeof(*block_limits),
3160                              /*evpd*/TRUE,
3161                              /*page_code*/SVPD_BLOCK_LIMITS,
3162                              /*sense_len*/SSD_MIN_SIZE,
3163                              /*timeout*/da_default_timeout * 1000);
3164                 start_ccb->ccb_h.ccb_bp = NULL;
3165                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS;
3166                 xpt_action(start_ccb);
3167                 break;
3168         }
3169         case DA_STATE_PROBE_BDC:
3170         {
3171                 struct scsi_vpd_block_characteristics *bdc;
3172
3173                 if (!scsi_vpd_supported_page(periph, SVPD_BDC)) {
3174                         softc->state = DA_STATE_PROBE_ATA;
3175                         goto skipstate;
3176                 }
3177
3178                 bdc = (struct scsi_vpd_block_characteristics *)
3179                         malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
3180
3181                 if (bdc == NULL) {
3182                         printf("dastart: Couldn't malloc bdc data\n");
3183                         /* da_free_periph??? */
3184                         break;
3185                 }
3186
3187                 scsi_inquiry(&start_ccb->csio,
3188                              /*retries*/da_retry_count,
3189                              /*cbfcnp*/dadone,
3190                              /*tag_action*/MSG_SIMPLE_Q_TAG,
3191                              /*inq_buf*/(u_int8_t *)bdc,
3192                              /*inq_len*/sizeof(*bdc),
3193                              /*evpd*/TRUE,
3194                              /*page_code*/SVPD_BDC,
3195                              /*sense_len*/SSD_MIN_SIZE,
3196                              /*timeout*/da_default_timeout * 1000);
3197                 start_ccb->ccb_h.ccb_bp = NULL;
3198                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC;
3199                 xpt_action(start_ccb);
3200                 break;
3201         }
3202         case DA_STATE_PROBE_ATA:
3203         {
3204                 struct ata_params *ata_params;
3205
3206                 if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
3207                         if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
3208                          || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
3209                                 /*
3210                                  * Note that if the ATA VPD page isn't
3211                                  * supported, we aren't talking to an ATA
3212                                  * device anyway.  Support for that VPD
3213                                  * page is mandatory for SCSI to ATA (SAT)
3214                                  * translation layers.
3215                                  */
3216                                 softc->state = DA_STATE_PROBE_ZONE;
3217                                 goto skipstate;
3218                         }
3219                         daprobedone(periph, start_ccb);
3220                         break;
3221                 }
3222
3223                 ata_params = (struct ata_params*)
3224                         malloc(sizeof(*ata_params), M_SCSIDA,M_NOWAIT|M_ZERO);
3225
3226                 if (ata_params == NULL) {
3227                         xpt_print(periph->path, "Couldn't malloc ata_params "
3228                             "data\n");
3229                         /* da_free_periph??? */
3230                         break;
3231                 }
3232
3233                 scsi_ata_identify(&start_ccb->csio,
3234                                   /*retries*/da_retry_count,
3235                                   /*cbfcnp*/dadone,
3236                                   /*tag_action*/MSG_SIMPLE_Q_TAG,
3237                                   /*data_ptr*/(u_int8_t *)ata_params,
3238                                   /*dxfer_len*/sizeof(*ata_params),
3239                                   /*sense_len*/SSD_FULL_SIZE,
3240                                   /*timeout*/da_default_timeout * 1000);
3241                 start_ccb->ccb_h.ccb_bp = NULL;
3242                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA;
3243                 xpt_action(start_ccb);
3244                 break;
3245         }
3246         case DA_STATE_PROBE_ATA_LOGDIR:
3247         {
3248                 struct ata_gp_log_dir *log_dir;
3249                 int retval;
3250
3251                 retval = 0;
3252
3253                 if ((softc->flags & DA_FLAG_CAN_ATA_LOG) == 0) {
3254                         /*
3255                          * If we don't have log support, not much point in
3256                          * trying to probe zone support.
3257                          */
3258                         daprobedone(periph, start_ccb);
3259                         break;
3260                 }
3261
3262                 /*
3263                  * If we have an ATA device (the SCSI ATA Information VPD
3264                  * page should be present and the ATA identify should have
3265                  * succeeded) and it supports logs, ask for the log directory.
3266                  */
3267
3268                 log_dir = malloc(sizeof(*log_dir), M_SCSIDA, M_NOWAIT|M_ZERO);
3269                 if (log_dir == NULL) {
3270                         xpt_print(periph->path, "Couldn't malloc log_dir "
3271                             "data\n");
3272                         daprobedone(periph, start_ccb);
3273                         break;
3274                 }
3275
3276                 retval = scsi_ata_read_log(&start_ccb->csio,
3277                     /*retries*/ da_retry_count,
3278                     /*cbfcnp*/ dadone,
3279                     /*tag_action*/ MSG_SIMPLE_Q_TAG,
3280                     /*log_address*/ ATA_LOG_DIRECTORY,
3281                     /*page_number*/ 0,
3282                     /*block_count*/ 1,
3283                     /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3284                                  AP_PROTO_DMA : AP_PROTO_PIO_IN,
3285                     /*data_ptr*/ (uint8_t *)log_dir,
3286                     /*dxfer_len*/ sizeof(*log_dir),
3287                     /*sense_len*/ SSD_FULL_SIZE,
3288                     /*timeout*/ da_default_timeout * 1000);
3289
3290                 if (retval != 0) {
3291                         xpt_print(periph->path, "scsi_ata_read_log() failed!");
3292                         free(log_dir, M_SCSIDA);
3293                         daprobedone(periph, start_ccb);
3294                         break;
3295                 }
3296                 start_ccb->ccb_h.ccb_bp = NULL;
3297                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_LOGDIR;
3298                 xpt_action(start_ccb);
3299                 break;
3300         }
3301         case DA_STATE_PROBE_ATA_IDDIR:
3302         {
3303                 struct ata_identify_log_pages *id_dir;
3304                 int retval;
3305
3306                 retval = 0;
3307
3308                 /*
3309                  * Check here to see whether the Identify Device log is
3310                  * supported in the directory of logs.  If so, continue
3311                  * with requesting the log of identify device pages.
3312                  */
3313                 if ((softc->flags & DA_FLAG_CAN_ATA_IDLOG) == 0) {
3314                         daprobedone(periph, start_ccb);
3315                         break;
3316                 }
3317
3318                 id_dir = malloc(sizeof(*id_dir), M_SCSIDA, M_NOWAIT | M_ZERO);
3319                 if (id_dir == NULL) {
3320                         xpt_print(periph->path, "Couldn't malloc id_dir "
3321                             "data\n");
3322                         daprobedone(periph, start_ccb);
3323                         break;
3324                 }
3325
3326                 retval = scsi_ata_read_log(&start_ccb->csio,
3327                     /*retries*/ da_retry_count,
3328                     /*cbfcnp*/ dadone,
3329                     /*tag_action*/ MSG_SIMPLE_Q_TAG,
3330                     /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3331                     /*page_number*/ ATA_IDL_PAGE_LIST,
3332                     /*block_count*/ 1,
3333                     /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3334                                  AP_PROTO_DMA : AP_PROTO_PIO_IN,
3335                     /*data_ptr*/ (uint8_t *)id_dir,
3336                     /*dxfer_len*/ sizeof(*id_dir),
3337                     /*sense_len*/ SSD_FULL_SIZE,
3338                     /*timeout*/ da_default_timeout * 1000);
3339
3340                 if (retval != 0) {
3341                         xpt_print(periph->path, "scsi_ata_read_log() failed!");
3342                         free(id_dir, M_SCSIDA);
3343                         daprobedone(periph, start_ccb);
3344                         break;
3345                 }
3346                 start_ccb->ccb_h.ccb_bp = NULL;
3347                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_IDDIR;
3348                 xpt_action(start_ccb);
3349                 break;
3350         }
3351         case DA_STATE_PROBE_ATA_SUP:
3352         {
3353                 struct ata_identify_log_sup_cap *sup_cap;
3354                 int retval;
3355
3356                 retval = 0;
3357
3358                 /*
3359                  * Check here to see whether the Supported Capabilities log
3360                  * is in the list of Identify Device logs.
3361                  */
3362                 if ((softc->flags & DA_FLAG_CAN_ATA_SUPCAP) == 0) {
3363                         daprobedone(periph, start_ccb);
3364                         break;
3365                 }
3366
3367                 sup_cap = malloc(sizeof(*sup_cap), M_SCSIDA, M_NOWAIT|M_ZERO);
3368                 if (sup_cap == NULL) {
3369                         xpt_print(periph->path, "Couldn't malloc sup_cap "
3370                             "data\n");
3371                         daprobedone(periph, start_ccb);
3372                         break;
3373                 }
3374
3375                 retval = scsi_ata_read_log(&start_ccb->csio,
3376                     /*retries*/ da_retry_count,
3377                     /*cbfcnp*/ dadone,
3378                     /*tag_action*/ MSG_SIMPLE_Q_TAG,
3379                     /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3380                     /*page_number*/ ATA_IDL_SUP_CAP,
3381                     /*block_count*/ 1,
3382                     /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3383                                  AP_PROTO_DMA : AP_PROTO_PIO_IN,
3384                     /*data_ptr*/ (uint8_t *)sup_cap,
3385                     /*dxfer_len*/ sizeof(*sup_cap),
3386                     /*sense_len*/ SSD_FULL_SIZE,
3387                     /*timeout*/ da_default_timeout * 1000);
3388
3389                 if (retval != 0) {
3390                         xpt_print(periph->path, "scsi_ata_read_log() failed!");
3391                         free(sup_cap, M_SCSIDA);
3392                         daprobedone(periph, start_ccb);
3393                         break;
3394
3395                 }
3396
3397                 start_ccb->ccb_h.ccb_bp = NULL;
3398                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_SUP;
3399                 xpt_action(start_ccb);
3400                 break;
3401         }
3402         case DA_STATE_PROBE_ATA_ZONE:
3403         {
3404                 struct ata_zoned_info_log *ata_zone;
3405                 int retval;
3406
3407                 retval = 0;
3408
3409                 /*
3410                  * Check here to see whether the zoned device information
3411                  * page is supported.  If so, continue on to request it.
3412                  * If not, skip to DA_STATE_PROBE_LOG or done.
3413                  */
3414                 if ((softc->flags & DA_FLAG_CAN_ATA_ZONE) == 0) {
3415                         daprobedone(periph, start_ccb);
3416                         break;
3417                 }
3418                 ata_zone = malloc(sizeof(*ata_zone), M_SCSIDA,
3419                                   M_NOWAIT|M_ZERO);
3420                 if (ata_zone == NULL) {
3421                         xpt_print(periph->path, "Couldn't malloc ata_zone "
3422                             "data\n");
3423                         daprobedone(periph, start_ccb);
3424                         break;
3425                 }
3426
3427                 retval = scsi_ata_read_log(&start_ccb->csio,
3428                     /*retries*/ da_retry_count,
3429                     /*cbfcnp*/ dadone,
3430                     /*tag_action*/ MSG_SIMPLE_Q_TAG,
3431                     /*log_address*/ ATA_IDENTIFY_DATA_LOG,
3432                     /*page_number*/ ATA_IDL_ZDI,
3433                     /*block_count*/ 1,
3434                     /*protocol*/ softc->flags & DA_FLAG_CAN_ATA_DMA ?
3435                                  AP_PROTO_DMA : AP_PROTO_PIO_IN,
3436                     /*data_ptr*/ (uint8_t *)ata_zone,
3437                     /*dxfer_len*/ sizeof(*ata_zone),
3438                     /*sense_len*/ SSD_FULL_SIZE,
3439                     /*timeout*/ da_default_timeout * 1000);
3440
3441                 if (retval != 0) {
3442                         xpt_print(periph->path, "scsi_ata_read_log() failed!");
3443                         free(ata_zone, M_SCSIDA);
3444                         daprobedone(periph, start_ccb);
3445                         break;
3446                 }
3447                 start_ccb->ccb_h.ccb_bp = NULL;
3448                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA_ZONE;
3449                 xpt_action(start_ccb);
3450
3451                 break;
3452         }
3453         case DA_STATE_PROBE_ZONE:
3454         {
3455                 struct scsi_vpd_zoned_bdc *bdc;
3456
3457                 /*
3458                  * Note that this page will be supported for SCSI protocol
3459                  * devices that support ZBC (SMR devices), as well as ATA
3460                  * protocol devices that are behind a SAT (SCSI to ATA
3461                  * Translation) layer that supports converting ZBC commands
3462                  * to their ZAC equivalents.
3463                  */
3464                 if (!scsi_vpd_supported_page(periph, SVPD_ZONED_BDC)) {
3465                         daprobedone(periph, start_ccb);
3466                         break;
3467                 }
3468                 bdc = (struct scsi_vpd_zoned_bdc *)
3469                         malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
3470
3471                 if (bdc == NULL) {
3472                         xpt_release_ccb(start_ccb);
3473                         xpt_print(periph->path, "Couldn't malloc zone VPD "
3474                             "data\n");
3475                         break;
3476                 }
3477                 scsi_inquiry(&start_ccb->csio,
3478                              /*retries*/da_retry_count,
3479                              /*cbfcnp*/dadone,
3480                              /*tag_action*/MSG_SIMPLE_Q_TAG,
3481                              /*inq_buf*/(u_int8_t *)bdc,
3482                              /*inq_len*/sizeof(*bdc),
3483                              /*evpd*/TRUE,
3484                              /*page_code*/SVPD_ZONED_BDC,
3485                              /*sense_len*/SSD_FULL_SIZE,
3486                              /*timeout*/da_default_timeout * 1000);
3487                 start_ccb->ccb_h.ccb_bp = NULL;
3488                 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ZONE;
3489                 xpt_action(start_ccb);
3490                 break;
3491         }
3492         }
3493 }
3494
3495 /*
3496  * In each of the methods below, while its the caller's
3497  * responsibility to ensure the request will fit into a
3498  * single device request, we might have changed the delete
3499  * method due to the device incorrectly advertising either
3500  * its supported methods or limits.
3501  * 
3502  * To prevent this causing further issues we validate the
3503  * against the methods limits, and warn which would
3504  * otherwise be unnecessary.
3505  */
3506 static void
3507 da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
3508 {
3509         struct da_softc *softc = (struct da_softc *)periph->softc;;
3510         struct bio *bp1;
3511         uint8_t *buf = softc->unmap_buf;
3512         uint64_t lba, lastlba = (uint64_t)-1;
3513         uint64_t totalcount = 0;
3514         uint64_t count;
3515         uint32_t lastcount = 0, c;
3516         uint32_t off, ranges = 0;
3517
3518         /*
3519          * Currently this doesn't take the UNMAP
3520          * Granularity and Granularity Alignment
3521          * fields into account.
3522          *
3523          * This could result in both unoptimal unmap
3524          * requests as as well as UNMAP calls unmapping
3525          * fewer LBA's than requested.
3526          */
3527
3528         bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
3529         bp1 = bp;
3530         do {
3531                 /*
3532                  * Note: ada and da are different in how they store the
3533                  * pending bp's in a trim. ada stores all of them in the
3534                  * trim_req.bps. da stores all but the first one in the
3535                  * delete_run_queue. ada then completes all the bps in
3536                  * its adadone() loop. da completes all the bps in the
3537                  * delete_run_queue in dadone, and relies on the biodone
3538                  * after to complete. This should be reconciled since there's
3539                  * no real reason to do it differently. XXX
3540                  */
3541                 if (bp1 != bp)
3542                         bioq_insert_tail(&softc->delete_run_queue, bp1);
3543                 lba = bp1->bio_pblkno;
3544                 count = bp1->bio_bcount / softc->params.secsize;
3545
3546                 /* Try to extend the previous range. */
3547                 if (lba == lastlba) {
3548                         c = omin(count, UNMAP_RANGE_MAX - lastcount);
3549                         lastcount += c;
3550                         off = ((ranges - 1) * UNMAP_RANGE_SIZE) +
3551                               UNMAP_HEAD_SIZE;
3552                         scsi_ulto4b(lastcount, &buf[off + 8]);
3553                         count -= c;
3554                         lba +=c;
3555                         totalcount += c;
3556                 }
3557
3558                 while (count > 0) {
3559                         c = omin(count, UNMAP_RANGE_MAX);
3560                         if (totalcount + c > softc->unmap_max_lba ||
3561                             ranges >= softc->unmap_max_ranges) {
3562                                 xpt_print(periph->path,
3563                                     "%s issuing short delete %ld > %ld"
3564                                     "|| %d >= %d",
3565                                     da_delete_method_desc[softc->delete_method],
3566                                     totalcount + c, softc->unmap_max_lba,
3567                                     ranges, softc->unmap_max_ranges);
3568                                 break;
3569                         }
3570                         off = (ranges * UNMAP_RANGE_SIZE) + UNMAP_HEAD_SIZE;
3571                         scsi_u64to8b(lba, &buf[off + 0]);
3572                         scsi_ulto4b(c, &buf[off + 8]);
3573                         lba += c;
3574                         totalcount += c;
3575                         ranges++;
3576                         count -= c;
3577                         lastcount = c;
3578                 }
3579                 lastlba = lba;
3580                 bp1 = cam_iosched_next_trim(softc->cam_iosched);
3581                 if (bp1 == NULL)
3582                         break;
3583                 if (ranges >= softc->unmap_max_ranges ||
3584                     totalcount + bp1->bio_bcount /
3585                     softc->params.secsize > softc->unmap_max_lba) {
3586                         cam_iosched_put_back_trim(softc->cam_iosched, bp1);
3587                         break;
3588                 }
3589         } while (1);
3590         scsi_ulto2b(ranges * 16 + 6, &buf[0]);
3591         scsi_ulto2b(ranges * 16, &buf[2]);
3592
3593         scsi_unmap(&ccb->csio,
3594                    /*retries*/da_retry_count,
3595                    /*cbfcnp*/dadone,
3596                    /*tag_action*/MSG_SIMPLE_Q_TAG,
3597                    /*byte2*/0,
3598                    /*data_ptr*/ buf,
3599                    /*dxfer_len*/ ranges * 16 + 8,
3600                    /*sense_len*/SSD_FULL_SIZE,
3601                    da_default_timeout * 1000);
3602         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
3603         ccb->ccb_h.flags |= CAM_UNLOCKED;
3604         cam_iosched_submit_trim(softc->cam_iosched);
3605 }
3606
3607 static void
3608 da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
3609 {
3610         struct da_softc *softc = (struct da_softc *)periph->softc;
3611         struct bio *bp1;
3612         uint8_t *buf = softc->unmap_buf;
3613         uint64_t lastlba = (uint64_t)-1;
3614         uint64_t count;
3615         uint64_t lba;
3616         uint32_t lastcount = 0, c, requestcount;
3617         int ranges = 0, off, block_count;
3618
3619         bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
3620         bp1 = bp;
3621         do {
3622                 if (bp1 != bp)//XXX imp XXX
3623                         bioq_insert_tail(&softc->delete_run_queue, bp1);
3624                 lba = bp1->bio_pblkno;
3625                 count = bp1->bio_bcount / softc->params.secsize;
3626                 requestcount = count;
3627
3628                 /* Try to extend the previous range. */
3629                 if (lba == lastlba) {
3630                         c = omin(count, ATA_DSM_RANGE_MAX - lastcount);
3631                         lastcount += c;
3632                         off = (ranges - 1) * 8;
3633                         buf[off + 6] = lastcount & 0xff;
3634                         buf[off + 7] = (lastcount >> 8) & 0xff;
3635                         count -= c;
3636                         lba += c;
3637                 }
3638
3639                 while (count > 0) {
3640                         c = omin(count, ATA_DSM_RANGE_MAX);
3641                         off = ranges * 8;
3642
3643                         buf[off + 0] = lba & 0xff;
3644                         buf[off + 1] = (lba >> 8) & 0xff;
3645                         buf[off + 2] = (lba >> 16) & 0xff;
3646                         buf[off + 3] = (lba >> 24) & 0xff;
3647                         buf[off + 4] = (lba >> 32) & 0xff;
3648                         buf[off + 5] = (lba >> 40) & 0xff;
3649                         buf[off + 6] = c & 0xff;
3650                         buf[off + 7] = (c >> 8) & 0xff;
3651                         lba += c;
3652                         ranges++;
3653                         count -= c;
3654                         lastcount = c;
3655                         if (count != 0 && ranges == softc->trim_max_ranges) {
3656                                 xpt_print(periph->path,
3657                                     "%s issuing short delete %ld > %ld\n",
3658                                     da_delete_method_desc[softc->delete_method],
3659                                     requestcount,
3660                                     (softc->trim_max_ranges - ranges) *
3661                                     ATA_DSM_RANGE_MAX);
3662                                 break;
3663                         }
3664                 }
3665                 lastlba = lba;
3666                 bp1 = cam_iosched_next_trim(softc->cam_iosched);
3667                 if (bp1 == NULL)
3668                         break;
3669                 if (bp1->bio_bcount / softc->params.secsize >
3670                     (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) {
3671                         cam_iosched_put_back_trim(softc->cam_iosched, bp1);
3672                         break;
3673                 }
3674         } while (1);
3675
3676         block_count = howmany(ranges, ATA_DSM_BLK_RANGES);
3677         scsi_ata_trim(&ccb->csio,
3678                       /*retries*/da_retry_count,
3679                       /*cbfcnp*/dadone,
3680                       /*tag_action*/MSG_SIMPLE_Q_TAG,
3681                       block_count,
3682                       /*data_ptr*/buf,
3683                       /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE,
3684                       /*sense_len*/SSD_FULL_SIZE,
3685                       da_default_timeout * 1000);
3686         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
3687         ccb->ccb_h.flags |= CAM_UNLOCKED;
3688         cam_iosched_submit_trim(softc->cam_iosched);
3689 }
3690
3691 /*
3692  * We calculate ws_max_blks here based off d_delmaxsize instead
3693  * of using softc->ws_max_blks as it is absolute max for the
3694  * device not the protocol max which may well be lower.
3695  */
3696 static void
3697 da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
3698 {
3699         struct da_softc *softc;
3700         struct bio *bp1;
3701         uint64_t ws_max_blks;
3702         uint64_t lba;
3703         uint64_t count; /* forward compat with WS32 */
3704
3705         softc = (struct da_softc *)periph->softc;
3706         ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize;
3707         lba = bp->bio_pblkno;
3708         count = 0;
3709         bp1 = bp;
3710         do {
3711                 if (bp1 != bp)//XXX imp XXX
3712                         bioq_insert_tail(&softc->delete_run_queue, bp1);
3713                 count += bp1->bio_bcount / softc->params.secsize;
3714                 if (count > ws_max_blks) {
3715                         xpt_print(periph->path,
3716                             "%s issuing short delete %ld > %ld\n",
3717                             da_delete_method_desc[softc->delete_method],
3718                             count, ws_max_blks);
3719                         count = omin(count, ws_max_blks);
3720                         break;
3721                 }
3722                 bp1 = cam_iosched_next_trim(softc->cam_iosched);
3723                 if (bp1 == NULL)
3724                         break;
3725                 if (lba + count != bp1->bio_pblkno ||
3726                     count + bp1->bio_bcount /
3727                     softc->params.secsize > ws_max_blks) {
3728                         cam_iosched_put_back_trim(softc->cam_iosched, bp1);
3729                         break;
3730                 }
3731         } while (1);
3732
3733         scsi_write_same(&ccb->csio,
3734                         /*retries*/da_retry_count,
3735                         /*cbfcnp*/dadone,
3736                         /*tag_action*/MSG_SIMPLE_Q_TAG,
3737                         /*byte2*/softc->delete_method ==
3738                             DA_DELETE_ZERO ? 0 : SWS_UNMAP,
3739                         softc->delete_method == DA_DELETE_WS16 ? 16 : 10,
3740                         /*lba*/lba,
3741                         /*block_count*/count,
3742                         /*data_ptr*/ __DECONST(void *, zero_region),
3743                         /*dxfer_len*/ softc->params.secsize,
3744                         /*sense_len*/SSD_FULL_SIZE,
3745                         da_default_timeout * 1000);
3746         ccb->ccb_h.ccb_state = DA_CCB_DELETE;
3747         ccb->ccb_h.flags |= CAM_UNLOCKED;
3748         cam_iosched_submit_trim(softc->cam_iosched);
3749 }
3750
3751 static int
3752 cmd6workaround(union ccb *ccb)
3753 {
3754         struct scsi_rw_6 cmd6;
3755         struct scsi_rw_10 *cmd10;
3756         struct da_softc *softc;
3757         u_int8_t *cdb;
3758         struct bio *bp;
3759         int frozen;
3760
3761         cdb = ccb->csio.cdb_io.cdb_bytes;
3762         softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
3763
3764         if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) {
3765                 da_delete_methods old_method = softc->delete_method;
3766
3767                 /*
3768                  * Typically there are two reasons for failure here
3769                  * 1. Delete method was detected as supported but isn't
3770                  * 2. Delete failed due to invalid params e.g. too big
3771                  *
3772                  * While we will attempt to choose an alternative delete method
3773                  * this may result in short deletes if the existing delete
3774                  * requests from geom are big for the new method chosen.
3775                  *
3776                  * This method assumes that the error which triggered this
3777                  * will not retry the io otherwise a panic will occur
3778                  */
3779                 dadeleteflag(softc, old_method, 0);
3780                 dadeletemethodchoose(softc, DA_DELETE_DISABLE);
3781                 if (softc->delete_method == DA_DELETE_DISABLE)
3782                         xpt_print(ccb->ccb_h.path,
3783                                   "%s failed, disabling BIO_DELETE\n",
3784                                   da_delete_method_desc[old_method]);
3785                 else
3786                         xpt_print(ccb->ccb_h.path,
3787                                   "%s failed, switching to %s BIO_DELETE\n",
3788                                   da_delete_method_desc[old_method],
3789                                   da_delete_method_desc[softc->delete_method]);
3790
3791                 while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL)
3792                         cam_iosched_queue_work(softc->cam_iosched, bp);
3793                 cam_iosched_queue_work(softc->cam_iosched,
3794                     (struct bio *)ccb->ccb_h.ccb_bp);
3795                 ccb->ccb_h.ccb_bp = NULL;
3796                 return (0);
3797         }
3798
3799         /* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */
3800         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
3801             (*cdb == PREVENT_ALLOW) &&
3802             (softc->quirks & DA_Q_NO_PREVENT) == 0) {
3803                 if (bootverbose)
3804                         xpt_print(ccb->ccb_h.path,
3805                             "PREVENT ALLOW MEDIUM REMOVAL not supported.\n");
3806                 softc->quirks |= DA_Q_NO_PREVENT;
3807                 return (0);
3808         }
3809
3810         /* Detect unsupported SYNCHRONIZE CACHE(10). */
3811         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
3812             (*cdb == SYNCHRONIZE_CACHE) &&
3813             (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
3814                 if (bootverbose)
3815                         xpt_print(ccb->ccb_h.path,
3816                             "SYNCHRONIZE CACHE(10) not supported.\n");
3817                 softc->quirks |= DA_Q_NO_SYNC_CACHE;
3818                 softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE;
3819                 return (0);
3820         }
3821
3822         /* Translation only possible if CDB is an array and cmd is R/W6 */
3823         if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
3824             (*cdb != READ_6 && *cdb != WRITE_6))
3825                 return 0;
3826
3827         xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, "
3828             "increasing minimum_cmd_size to 10.\n");
3829         softc->minimum_cmd_size = 10;
3830
3831         bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
3832         cmd10 = (struct scsi_rw_10 *)cdb;
3833         cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
3834         cmd10->byte2 = 0;
3835         scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
3836         cmd10->reserved = 0;
3837         scsi_ulto2b(cmd6.length, cmd10->length);
3838         cmd10->control = cmd6.control;
3839         ccb->csio.cdb_len = sizeof(*cmd10);
3840
3841         /* Requeue request, unfreezing queue if necessary */
3842         frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
3843         ccb->ccb_h.status = CAM_REQUEUE_REQ;
3844         xpt_action(ccb);
3845         if (frozen) {
3846                 cam_release_devq(ccb->ccb_h.path,
3847                                  /*relsim_flags*/0,
3848                                  /*reduction*/0,
3849                                  /*timeout*/0,
3850                                  /*getcount_only*/0);
3851         }
3852         return (ERESTART);
3853 }
3854
3855 static void
3856 dazonedone(struct cam_periph *periph, union ccb *ccb)
3857 {
3858         struct da_softc *softc;
3859         struct bio *bp;
3860
3861         softc = periph->softc;
3862         bp = (struct bio *)ccb->ccb_h.ccb_bp;
3863
3864         switch (bp->bio_zone.zone_cmd) {
3865         case DISK_ZONE_OPEN:
3866         case DISK_ZONE_CLOSE:
3867         case DISK_ZONE_FINISH:
3868         case DISK_ZONE_RWP:
3869                 break;
3870         case DISK_ZONE_REPORT_ZONES: {
3871                 uint32_t avail_len;
3872                 struct disk_zone_report *rep;
3873                 struct scsi_report_zones_hdr *hdr;
3874                 struct scsi_report_zones_desc *desc;
3875                 struct disk_zone_rep_entry *entry;
3876                 uint32_t num_alloced, hdr_len, num_avail;
3877                 uint32_t num_to_fill, i;
3878                 int ata;
3879
3880                 rep = &bp->bio_zone.zone_params.report;
3881                 avail_len = ccb->csio.dxfer_len - ccb->csio.resid;
3882                 /*
3883                  * Note that bio_resid isn't normally used for zone
3884                  * commands, but it is used by devstat_end_transaction_bio()
3885                  * to determine how much data was transferred.  Because
3886                  * the size of the SCSI/ATA data structures is different
3887                  * than the size of the BIO interface structures, the
3888                  * amount of data actually transferred from the drive will
3889                  * be different than the amount of data transferred to
3890                  * the user.
3891                  */
3892                 bp->bio_resid = ccb->csio.resid;
3893                 num_alloced = rep->entries_allocated;
3894                 hdr = (struct scsi_report_zones_hdr *)ccb->csio.data_ptr;
3895                 if (avail_len < sizeof(*hdr)) {
3896                         /*
3897                          * Is there a better error than EIO here?  We asked
3898                          * for at least the header, and we got less than
3899                          * that.
3900                          */
3901                         bp->bio_error = EIO;
3902                         bp->bio_flags |= BIO_ERROR;
3903                         bp->bio_resid = bp->bio_bcount;
3904                         break;
3905                 }
3906
3907                 if (softc->zone_interface == DA_ZONE_IF_ATA_PASS)
3908                         ata = 1;
3909                 else
3910                         ata = 0;
3911
3912                 hdr_len = ata ? le32dec(hdr->length) :
3913                                 scsi_4btoul(hdr->length);
3914                 if (hdr_len > 0)
3915                         rep->entries_available = hdr_len / sizeof(*desc);
3916                 else
3917                         rep->entries_available = 0;
3918                 /*
3919                  * NOTE: using the same values for the BIO version of the
3920                  * same field as the SCSI/ATA values.  This means we could
3921                  * get some additional values that aren't defined in bio.h
3922                  * if more values of the same field are defined later.
3923                  */
3924                 rep->header.same = hdr->byte4 & SRZ_SAME_MASK;
3925                 rep->header.maximum_lba = ata ?  le64dec(hdr->maximum_lba) :
3926                                           scsi_8btou64(hdr->maximum_lba);
3927                 /*
3928                  * If the drive reports no entries that match the query,
3929                  * we're done.
3930                  */
3931                 if (hdr_len == 0) {
3932                         rep->entries_filled = 0;
3933                         break;
3934                 }
3935
3936                 num_avail = min((avail_len - sizeof(*hdr)) / sizeof(*desc),
3937                                 hdr_len / sizeof(*desc));
3938                 /*
3939                  * If the drive didn't return any data, then we're done.
3940                  */
3941                 if (num_avail == 0) {
3942                         rep->entries_filled = 0;
3943                         break;
3944                 }
3945
3946                 num_to_fill = min(num_avail, rep->entries_allocated);
3947                 /*
3948                  * If the user didn't allocate any entries for us to fill,
3949                  * we're done.
3950                  */
3951                 if (num_to_fill == 0) {
3952                         rep->entries_filled = 0;
3953                         break;
3954                 }
3955
3956                 for (i = 0, desc = &hdr->desc_list[0], entry=&rep->entries[0];
3957                      i < num_to_fill; i++, desc++, entry++) {
3958                         /*
3959                          * NOTE: we're mapping the values here directly
3960                          * from the SCSI/ATA bit definitions to the bio.h
3961                          * definitons.  There is also a warning in
3962                          * disk_zone.h, but the impact is that if
3963                          * additional values are added in the SCSI/ATA
3964                          * specs these will be visible to consumers of
3965                          * this interface.
3966                          */
3967                         entry->zone_type = desc->zone_type & SRZ_TYPE_MASK;
3968                         entry->zone_condition =
3969                             (desc->zone_flags & SRZ_ZONE_COND_MASK) >>
3970                             SRZ_ZONE_COND_SHIFT;
3971                         entry->zone_flags |= desc->zone_flags &
3972                             (SRZ_ZONE_NON_SEQ|SRZ_ZONE_RESET);
3973                         entry->zone_length =
3974                             ata ? le64dec(desc->zone_length) :
3975                                   scsi_8btou64(desc->zone_length);
3976                         entry->zone_start_lba =
3977                             ata ? le64dec(desc->zone_start_lba) :
3978                                   scsi_8btou64(desc->zone_start_lba);
3979                         entry->write_pointer_lba =
3980                             ata ? le64dec(desc->write_pointer_lba) :
3981                                   scsi_8btou64(desc->write_pointer_lba);
3982                 }
3983                 rep->entries_filled = num_to_fill;
3984                 break;
3985         }
3986         case DISK_ZONE_GET_PARAMS:
3987         default:
3988                 /*
3989                  * In theory we should not get a GET_PARAMS bio, since it
3990                  * should be handled without queueing the command to the
3991                  * drive.
3992                  */
3993                 panic("%s: Invalid zone command %d", __func__,
3994                     bp->bio_zone.zone_cmd);
3995                 break;
3996         }
3997
3998         if (bp->bio_zone.zone_cmd == DISK_ZONE_REPORT_ZONES)
3999                 free(ccb->csio.data_ptr, M_SCSIDA);
4000 }
4001
4002 static void
4003 dadone(struct cam_periph *periph, union ccb *done_ccb)
4004 {
4005         struct da_softc *softc;
4006         struct ccb_scsiio *csio;
4007         u_int32_t  priority;
4008         da_ccb_state state;
4009
4010         softc = (struct da_softc *)periph->softc;
4011         priority = done_ccb->ccb_h.pinfo.priority;
4012
4013         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n"));
4014
4015         csio = &done_ccb->csio;
4016 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
4017         if (csio->bio != NULL)
4018                 biotrack(csio->bio, __func__);
4019 #endif
4020         state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
4021         switch (state) {
4022         case DA_CCB_BUFFER_IO:
4023         case DA_CCB_DELETE:
4024         {
4025                 struct bio *bp, *bp1;
4026
4027                 cam_periph_lock(periph);
4028                 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
4029                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
4030                         int error;
4031                         int sf;
4032
4033                         if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
4034                                 sf = SF_RETRY_UA;
4035                         else
4036                                 sf = 0;
4037
4038                         error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
4039                         if (error == ERESTART) {
4040                                 /*
4041                                  * A retry was scheduled, so
4042                                  * just return.
4043                                  */
4044                                 cam_periph_unlock(periph);
4045                                 return;
4046                         }
4047                         bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
4048                         if (error != 0) {
4049                                 int queued_error;
4050
4051                                 /*
4052                                  * return all queued I/O with EIO, so that
4053                                  * the client can retry these I/Os in the
4054                                  * proper order should it attempt to recover.
4055                                  */
4056                                 queued_error = EIO;
4057
4058                                 if (error == ENXIO
4059                                  && (softc->flags & DA_FLAG_PACK_INVALID)== 0) {
4060                                         /*
4061                                          * Catastrophic error.  Mark our pack as
4062                                          * invalid.
4063                                          */
4064                                         /*
4065                                          * XXX See if this is really a media
4066                                          * XXX change first?
4067                                          */
4068                                         xpt_print(periph->path,
4069                                             "Invalidating pack\n");
4070                                         softc->flags |= DA_FLAG_PACK_INVALID;
4071 #ifdef CAM_IO_STATS
4072                                         softc->invalidations++;
4073 #endif
4074                                         queued_error = ENXIO;
4075                                 }
4076                                 cam_iosched_flush(softc->cam_iosched, NULL,
4077                                            queued_error);
4078                                 if (bp != NULL) {
4079                                         bp->bio_error = error;
4080                                         bp->bio_resid = bp->bio_bcount;
4081                                         bp->bio_flags |= BIO_ERROR;
4082                                 }
4083                         } else if (bp != NULL) {
4084                                 if (state == DA_CCB_DELETE)
4085                                         bp->bio_resid = 0;
4086                                 else
4087                                         bp->bio_resid = csio->resid;
4088                                 bp->bio_error = 0;
4089                                 if (bp->bio_resid != 0)
4090                                         bp->bio_flags |= BIO_ERROR;
4091                         }
4092                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
4093                                 cam_release_devq(done_ccb->ccb_h.path,
4094                                                  /*relsim_flags*/0,
4095                                                  /*reduction*/0,
4096                                                  /*timeout*/0,
4097                                                  /*getcount_only*/0);
4098                 } else if (bp != NULL) {
4099                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
4100                                 panic("REQ_CMP with QFRZN");
4101                         if (bp->bio_cmd == BIO_ZONE)
4102                                 dazonedone(periph, done_ccb);
4103                         else if (state == DA_CCB_DELETE)
4104                                 bp->bio_resid = 0;
4105                         else
4106                                 bp->bio_resid = csio->resid;
4107                         if ((csio->resid > 0)
4108                          && (bp->bio_cmd != BIO_ZONE))
4109                                 bp->bio_flags |= BIO_ERROR;
4110                         if (softc->error_inject != 0) {
4111                                 bp->bio_error = softc->error_inject;
4112                                 bp->bio_resid = bp->bio_bcount;
4113                                 bp->bio_flags |= BIO_ERROR;
4114                                 softc->error_inject = 0;
4115                         }
4116                 }
4117
4118                 biotrack(bp, __func__);
4119                 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
4120                 if (LIST_EMPTY(&softc->pending_ccbs))
4121                         softc->flags |= DA_FLAG_WAS_OTAG;
4122
4123                 cam_iosched_bio_complete(softc->cam_iosched, bp, done_ccb);
4124                 xpt_release_ccb(done_ccb);
4125                 if (state == DA_CCB_DELETE) {
4126                         TAILQ_HEAD(, bio) queue;
4127
4128                         TAILQ_INIT(&queue);
4129                         TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue);
4130                         softc->delete_run_queue.insert_point = NULL;
4131                         /*
4132                          * Normally, the xpt_release_ccb() above would make sure
4133                          * that when we have more work to do, that work would
4134                          * get kicked off. However, we specifically keep
4135                          * delete_running set to 0 before the call above to
4136                          * allow other I/O to progress when many BIO_DELETE
4137                          * requests are pushed down. We set delete_running to 0
4138                          * and call daschedule again so that we don't stall if
4139                          * there are no other I/Os pending apart from BIO_DELETEs.
4140                          */
4141                         cam_iosched_trim_done(softc->cam_iosched);
4142                         daschedule(periph);
4143                         cam_periph_unlock(periph);
4144                         while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
4145                                 TAILQ_REMOVE(&queue, bp1, bio_queue);
4146                                 bp1->bio_error = bp->bio_error;
4147                                 if (bp->bio_flags & BIO_ERROR) {
4148                                         bp1->bio_flags |= BIO_ERROR;
4149                                         bp1->bio_resid = bp1->bio_bcount;
4150                                 } else
4151                                         bp1->bio_resid = 0;
4152                                 biodone(bp1);
4153                         }
4154                 } else {
4155                         daschedule(periph);
4156                         cam_periph_unlock(periph);
4157                 }
4158                 if (bp != NULL)
4159                         biodone(bp);
4160                 return;
4161         }
4162         case DA_CCB_PROBE_RC:
4163         case DA_CCB_PROBE_RC16:
4164         {
4165                 struct     scsi_read_capacity_data *rdcap;
4166                 struct     scsi_read_capacity_data_long *rcaplong;
4167                 char       announce_buf[80];
4168                 int        lbp;
4169
4170                 lbp = 0;
4171                 rdcap = NULL;
4172                 rcaplong = NULL;
4173                 if (state == DA_CCB_PROBE_RC)
4174                         rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
4175                 else
4176                         rcaplong = (struct scsi_read_capacity_data_long *)
4177                                 csio->data_ptr;
4178
4179                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4180                         struct disk_params *dp;
4181                         uint32_t block_size;
4182                         uint64_t maxsector;
4183                         u_int lalba;    /* Lowest aligned LBA. */
4184
4185                         if (state == DA_CCB_PROBE_RC) {
4186                                 block_size = scsi_4btoul(rdcap->length);
4187                                 maxsector = scsi_4btoul(rdcap->addr);
4188                                 lalba = 0;
4189
4190                                 /*
4191                                  * According to SBC-2, if the standard 10
4192                                  * byte READ CAPACITY command returns 2^32,
4193                                  * we should issue the 16 byte version of
4194                                  * the command, since the device in question
4195                                  * has more sectors than can be represented
4196                                  * with the short version of the command.
4197                                  */
4198                                 if (maxsector == 0xffffffff) {
4199                                         free(rdcap, M_SCSIDA);
4200                                         xpt_release_ccb(done_ccb);
4201                                         softc->state = DA_STATE_PROBE_RC16;
4202                                         xpt_schedule(periph, priority);
4203                                         return;
4204                                 }
4205                         } else {
4206                                 block_size = scsi_4btoul(rcaplong->length);
4207                                 maxsector = scsi_8btou64(rcaplong->addr);
4208                                 lalba = scsi_2btoul(rcaplong->lalba_lbp);
4209                         }
4210
4211                         /*
4212                          * Because GEOM code just will panic us if we
4213                          * give them an 'illegal' value we'll avoid that
4214                          * here.
4215                          */
4216                         if (block_size == 0) {
4217                                 block_size = 512;
4218                                 if (maxsector == 0)
4219                                         maxsector = -1;
4220                         }
4221                         if (block_size >= MAXPHYS) {
4222                                 xpt_print(periph->path,
4223                                     "unsupportable block size %ju\n",
4224                                     (uintmax_t) block_size);
4225                                 announce_buf[0] = '\0';
4226                                 cam_periph_invalidate(periph);
4227                         } else {
4228                                 /*
4229                                  * We pass rcaplong into dasetgeom(),
4230                                  * because it will only use it if it is
4231                                  * non-NULL.
4232                                  */
4233                                 dasetgeom(periph, block_size, maxsector,
4234                                           rcaplong, sizeof(*rcaplong));
4235                                 lbp = (lalba & SRC16_LBPME_A);
4236                                 dp = &softc->params;
4237                                 snprintf(announce_buf, sizeof(announce_buf),
4238                                     "%juMB (%ju %u byte sectors)",
4239                                     ((uintmax_t)dp->secsize * dp->sectors) /
4240                                      (1024 * 1024),
4241                                     (uintmax_t)dp->sectors, dp->secsize);
4242                         }
4243                 } else {
4244                         int     error;
4245
4246                         announce_buf[0] = '\0';
4247
4248                         /*
4249                          * Retry any UNIT ATTENTION type errors.  They
4250                          * are expected at boot.
4251                          */
4252                         error = daerror(done_ccb, CAM_RETRY_SELTO,
4253                                         SF_RETRY_UA|SF_NO_PRINT);
4254                         if (error == ERESTART) {
4255                                 /*
4256                                  * A retry was scheuled, so
4257                                  * just return.
4258                                  */
4259                                 return;
4260                         } else if (error != 0) {
4261                                 int asc, ascq;
4262                                 int sense_key, error_code;
4263                                 int have_sense;
4264                                 cam_status status;
4265                                 struct ccb_getdev cgd;
4266
4267                                 /* Don't wedge this device's queue */
4268                                 status = done_ccb->ccb_h.status;
4269                                 if ((status & CAM_DEV_QFRZN) != 0)
4270                                         cam_release_devq(done_ccb->ccb_h.path,
4271                                                          /*relsim_flags*/0,
4272                                                          /*reduction*/0,
4273                                                          /*timeout*/0,
4274                                                          /*getcount_only*/0);
4275
4276
4277                                 xpt_setup_ccb(&cgd.ccb_h, 
4278                                               done_ccb->ccb_h.path,
4279                                               CAM_PRIORITY_NORMAL);
4280                                 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
4281                                 xpt_action((union ccb *)&cgd);
4282
4283                                 if (scsi_extract_sense_ccb(done_ccb,
4284                                     &error_code, &sense_key, &asc, &ascq))
4285                                         have_sense = TRUE;
4286                                 else
4287                                         have_sense = FALSE;
4288
4289                                 /*
4290                                  * If we tried READ CAPACITY(16) and failed,
4291                                  * fallback to READ CAPACITY(10).
4292                                  */
4293                                 if ((state == DA_CCB_PROBE_RC16) &&
4294                                     (softc->flags & DA_FLAG_CAN_RC16) &&
4295                                     (((csio->ccb_h.status & CAM_STATUS_MASK) ==
4296                                         CAM_REQ_INVALID) ||
4297                                      ((have_sense) &&
4298                                       (error_code == SSD_CURRENT_ERROR) &&
4299                                       (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
4300                                         softc->flags &= ~DA_FLAG_CAN_RC16;
4301                                         free(rdcap, M_SCSIDA);
4302                                         xpt_release_ccb(done_ccb);
4303                                         softc->state = DA_STATE_PROBE_RC;
4304                                         xpt_schedule(periph, priority);
4305                                         return;
4306                                 }
4307
4308                                 /*
4309                                  * Attach to anything that claims to be a
4310                                  * direct access or optical disk device,
4311                                  * as long as it doesn't return a "Logical
4312                                  * unit not supported" (0x25) error.
4313                                  * "Internal Target Failure" (0x44) is also
4314                                  * special and typically means that the
4315                                  * device is a SATA drive behind a SATL
4316                                  * translation that's fallen into a
4317                                  * terminally fatal state.
4318                                  */
4319                                 if ((have_sense)
4320                                  && (asc != 0x25) && (asc != 0x44)
4321                                  && (error_code == SSD_CURRENT_ERROR)) {
4322                                         const char *sense_key_desc;
4323                                         const char *asc_desc;
4324
4325                                         dasetgeom(periph, 512, -1, NULL, 0);
4326                                         scsi_sense_desc(sense_key, asc, ascq,
4327                                                         &cgd.inq_data,
4328                                                         &sense_key_desc,
4329                                                         &asc_desc);
4330                                         snprintf(announce_buf,
4331                                             sizeof(announce_buf),
4332                                                 "Attempt to query device "
4333                                                 "size failed: %s, %s",
4334                                                 sense_key_desc,
4335                                                 asc_desc);
4336                                 } else { 
4337                                         if (have_sense)
4338                                                 scsi_sense_print(
4339                                                         &done_ccb->csio);
4340                                         else {
4341                                                 xpt_print(periph->path,
4342                                                     "got CAM status %#x\n",
4343                                                     done_ccb->ccb_h.status);
4344                                         }
4345
4346                                         xpt_print(periph->path, "fatal error, "
4347                                             "failed to attach to device\n");
4348
4349                                         /*
4350                                          * Free up resources.
4351                                          */
4352                                         cam_periph_invalidate(periph);
4353                                 } 
4354                         }
4355                 }
4356                 free(csio->data_ptr, M_SCSIDA);
4357                 if (announce_buf[0] != '\0' &&
4358                     ((softc->flags & DA_FLAG_ANNOUNCED) == 0)) {
4359                         /*
4360                          * Create our sysctl variables, now that we know
4361                          * we have successfully attached.
4362                          */
4363                         /* increase the refcount */
4364                         if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
4365                                 taskqueue_enqueue(taskqueue_thread,
4366                                                   &softc->sysctl_task);
4367                                 xpt_announce_periph(periph, announce_buf);
4368                                 xpt_announce_quirks(periph, softc->quirks,
4369                                     DA_Q_BIT_STRING);
4370                         } else {
4371                                 xpt_print(periph->path, "fatal error, "
4372                                     "could not acquire reference count\n");
4373                         }
4374                 }
4375
4376                 /* We already probed the device. */
4377                 if (softc->flags & DA_FLAG_PROBED) {
4378                         daprobedone(periph, done_ccb);
4379                         return;
4380                 }
4381
4382                 /* Ensure re-probe doesn't see old delete. */
4383                 softc->delete_available = 0;
4384                 dadeleteflag(softc, DA_DELETE_ZERO, 1);
4385                 if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) {
4386                         /*
4387                          * Based on older SBC-3 spec revisions
4388                          * any of the UNMAP methods "may" be
4389                          * available via LBP given this flag so
4390                          * we flag all of them as available and
4391                          * then remove those which further
4392                          * probes confirm aren't available
4393                          * later.
4394                          *
4395                          * We could also check readcap(16) p_type
4396                          * flag to exclude one or more invalid
4397                          * write same (X) types here
4398                          */
4399                         dadeleteflag(softc, DA_DELETE_WS16, 1);
4400                         dadeleteflag(softc, DA_DELETE_WS10, 1);
4401                         dadeleteflag(softc, DA_DELETE_UNMAP, 1);
4402
4403                         xpt_release_ccb(done_ccb);
4404                         softc->state = DA_STATE_PROBE_LBP;
4405                         xpt_schedule(periph, priority);
4406                         return;
4407                 }
4408
4409                 xpt_release_ccb(done_ccb);
4410                 softc->state = DA_STATE_PROBE_BDC;
4411                 xpt_schedule(periph, priority);
4412                 return;
4413         }
4414         case DA_CCB_PROBE_LBP:
4415         {
4416                 struct scsi_vpd_logical_block_prov *lbp;
4417
4418                 lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr;
4419
4420                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4421                         /*
4422                          * T10/1799-D Revision 31 states at least one of these
4423                          * must be supported but we don't currently enforce this.
4424                          */
4425                         dadeleteflag(softc, DA_DELETE_WS16,
4426                                      (lbp->flags & SVPD_LBP_WS16));
4427                         dadeleteflag(softc, DA_DELETE_WS10,
4428                                      (lbp->flags & SVPD_LBP_WS10));
4429                         dadeleteflag(softc, DA_DELETE_UNMAP,
4430                                      (lbp->flags & SVPD_LBP_UNMAP));
4431                 } else {
4432                         int error;
4433                         error = daerror(done_ccb, CAM_RETRY_SELTO,
4434                                         SF_RETRY_UA|SF_NO_PRINT);
4435                         if (error == ERESTART)
4436                                 return;
4437                         else if (error != 0) {
4438                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4439                                         /* Don't wedge this device's queue */
4440                                         cam_release_devq(done_ccb->ccb_h.path,
4441                                                          /*relsim_flags*/0,
4442                                                          /*reduction*/0,
4443                                                          /*timeout*/0,
4444                                                          /*getcount_only*/0);
4445                                 }
4446
4447                                 /*
4448                                  * Failure indicates we don't support any SBC-3
4449                                  * delete methods with UNMAP
4450                                  */
4451                         }
4452                 }
4453
4454                 free(lbp, M_SCSIDA);
4455                 xpt_release_ccb(done_ccb);
4456                 softc->state = DA_STATE_PROBE_BLK_LIMITS;
4457                 xpt_schedule(periph, priority);
4458                 return;
4459         }
4460         case DA_CCB_PROBE_BLK_LIMITS:
4461         {
4462                 struct scsi_vpd_block_limits *block_limits;
4463
4464                 block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr;
4465
4466                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4467                         uint32_t max_txfer_len = scsi_4btoul(
4468                                 block_limits->max_txfer_len);
4469                         uint32_t max_unmap_lba_cnt = scsi_4btoul(
4470                                 block_limits->max_unmap_lba_cnt);
4471                         uint32_t max_unmap_blk_cnt = scsi_4btoul(
4472                                 block_limits->max_unmap_blk_cnt);
4473                         uint64_t ws_max_blks = scsi_8btou64(
4474                                 block_limits->max_write_same_length);
4475
4476                         if (max_txfer_len != 0) {
4477                                 softc->disk->d_maxsize = MIN(softc->maxio,
4478                                     (off_t)max_txfer_len * softc->params.secsize);
4479                         }
4480
4481                         /*
4482                          * We should already support UNMAP but we check lba
4483                          * and block count to be sure
4484                          */
4485                         if (max_unmap_lba_cnt != 0x00L &&
4486                             max_unmap_blk_cnt != 0x00L) {
4487                                 softc->unmap_max_lba = max_unmap_lba_cnt;
4488                                 softc->unmap_max_ranges = min(max_unmap_blk_cnt,
4489                                         UNMAP_MAX_RANGES);
4490                         } else {
4491                                 /*
4492                                  * Unexpected UNMAP limits which means the
4493                                  * device doesn't actually support UNMAP
4494                                  */
4495                                 dadeleteflag(softc, DA_DELETE_UNMAP, 0);
4496                         }
4497
4498                         if (ws_max_blks != 0x00L)
4499                                 softc->ws_max_blks = ws_max_blks;
4500                 } else {
4501                         int error;
4502                         error = daerror(done_ccb, CAM_RETRY_SELTO,
4503                                         SF_RETRY_UA|SF_NO_PRINT);
4504                         if (error == ERESTART)
4505                                 return;
4506                         else if (error != 0) {
4507                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4508                                         /* Don't wedge this device's queue */
4509                                         cam_release_devq(done_ccb->ccb_h.path,
4510                                                          /*relsim_flags*/0,
4511                                                          /*reduction*/0,
4512                                                          /*timeout*/0,
4513                                                          /*getcount_only*/0);
4514                                 }
4515
4516                                 /*
4517                                  * Failure here doesn't mean UNMAP is not
4518                                  * supported as this is an optional page.
4519                                  */
4520                                 softc->unmap_max_lba = 1;
4521                                 softc->unmap_max_ranges = 1;
4522                         }
4523                 }
4524
4525                 free(block_limits, M_SCSIDA);
4526                 xpt_release_ccb(done_ccb);
4527                 softc->state = DA_STATE_PROBE_BDC;
4528                 xpt_schedule(periph, priority);
4529                 return;
4530         }
4531         case DA_CCB_PROBE_BDC:
4532         {
4533                 struct scsi_vpd_block_device_characteristics *bdc;
4534
4535                 bdc = (struct scsi_vpd_block_device_characteristics *)
4536                     csio->data_ptr;
4537
4538                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4539                         uint32_t valid_len;
4540
4541                         /*
4542                          * Disable queue sorting for non-rotational media
4543                          * by default.
4544                          */
4545                         u_int16_t old_rate = softc->disk->d_rotation_rate;
4546
4547                         valid_len = csio->dxfer_len - csio->resid;
4548                         if (SBDC_IS_PRESENT(bdc, valid_len,
4549                             medium_rotation_rate)) {
4550                                 softc->disk->d_rotation_rate =
4551                                         scsi_2btoul(bdc->medium_rotation_rate);
4552                                 if (softc->disk->d_rotation_rate ==
4553                                     SVPD_BDC_RATE_NON_ROTATING) {
4554                                         cam_iosched_set_sort_queue(
4555                                             softc->cam_iosched, 0);
4556                                         softc->rotating = 0;
4557                                 }
4558                                 if (softc->disk->d_rotation_rate != old_rate) {
4559                                         disk_attr_changed(softc->disk,
4560                                             "GEOM::rotation_rate", M_NOWAIT);
4561                                 }
4562                         }
4563                         if ((SBDC_IS_PRESENT(bdc, valid_len, flags))
4564                          && (softc->zone_mode == DA_ZONE_NONE)) {
4565                                 int ata_proto;
4566
4567                                 if (scsi_vpd_supported_page(periph,
4568                                     SVPD_ATA_INFORMATION))
4569                                         ata_proto = 1;
4570                                 else
4571                                         ata_proto = 0;
4572
4573                                 /*
4574                                  * The Zoned field will only be set for
4575                                  * Drive Managed and Host Aware drives.  If
4576                                  * they are Host Managed, the device type
4577                                  * in the standard INQUIRY data should be
4578                                  * set to T_ZBC_HM (0x14).
4579                                  */
4580                                 if ((bdc->flags & SVPD_ZBC_MASK) ==
4581                                      SVPD_HAW_ZBC) {
4582                                         softc->zone_mode = DA_ZONE_HOST_AWARE;
4583                                         softc->zone_interface = (ata_proto) ?
4584                                            DA_ZONE_IF_ATA_SAT : DA_ZONE_IF_SCSI;
4585                                 } else if ((bdc->flags & SVPD_ZBC_MASK) ==
4586                                      SVPD_DM_ZBC) {
4587                                         softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
4588                                         softc->zone_interface = (ata_proto) ?
4589                                            DA_ZONE_IF_ATA_SAT : DA_ZONE_IF_SCSI;
4590                                 } else if ((bdc->flags & SVPD_ZBC_MASK) != 
4591                                           SVPD_ZBC_NR) {
4592                                         xpt_print(periph->path, "Unknown zoned "
4593                                             "type %#x",
4594                                             bdc->flags & SVPD_ZBC_MASK);
4595                                 }
4596                         }
4597                 } else {
4598                         int error;
4599                         error = daerror(done_ccb, CAM_RETRY_SELTO,
4600                                         SF_RETRY_UA|SF_NO_PRINT);
4601                         if (error == ERESTART)
4602                                 return;
4603                         else if (error != 0) {
4604                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
4605                                         /* Don't wedge this device's queue */
4606                                         cam_release_devq(done_ccb->ccb_h.path,
4607                                                          /*relsim_flags*/0,
4608                                                          /*reduction*/0,
4609                                                          /*timeout*/0,
4610                                                          /*getcount_only*/0);
4611                                 }
4612                         }
4613                 }
4614
4615                 free(bdc, M_SCSIDA);
4616                 xpt_release_ccb(done_ccb);
4617                 softc->state = DA_STATE_PROBE_ATA;
4618                 xpt_schedule(periph, priority);
4619                 return;
4620         }
4621         case DA_CCB_PROBE_ATA:
4622         {
4623                 int i;
4624                 struct ata_params *ata_params;
4625                 int continue_probe;
4626                 int error;
4627                 int16_t *ptr;
4628
4629                 ata_params = (struct ata_params *)csio->data_ptr;
4630                 ptr = (uint16_t *)ata_params;
4631                 continue_probe = 0;
4632                 error = 0;
4633
4634                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4635                         uint16_t old_rate;
4636
4637                         for (i = 0; i < sizeof(*ata_params) / 2; i++)
4638                                 ptr[i] = le16toh(ptr[i]);
4639                         if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM &&
4640                             (softc->quirks & DA_Q_NO_UNMAP) == 0) {
4641                                 dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1);
4642                                 if (ata_params->max_dsm_blocks != 0)
4643                                         softc->trim_max_ranges = min(
4644                                           softc->trim_max_ranges,
4645                                           ata_params->max_dsm_blocks *
4646                                           ATA_DSM_BLK_RANGES);
4647                         }
4648                         /*
4649                          * Disable queue sorting for non-rotational media
4650                          * by default.
4651                          */
4652                         old_rate = softc->disk->d_rotation_rate;
4653                         softc->disk->d_rotation_rate =
4654                             ata_params->media_rotation_rate;
4655                         if (softc->disk->d_rotation_rate ==
4656                             ATA_RATE_NON_ROTATING) {
4657                                 cam_iosched_set_sort_queue(softc->cam_iosched, 0);
4658                                 softc->rotating = 0;
4659                         }
4660                         if (softc->disk->d_rotation_rate != old_rate) {
4661                                 disk_attr_changed(softc->disk,
4662                                     "GEOM::rotation_rate", M_NOWAIT);
4663                         }
4664
4665                         if (ata_params->capabilities1 & ATA_SUPPORT_DMA)
4666                                 softc->flags |= DA_FLAG_CAN_ATA_DMA;
4667
4668                         if (ata_params->support.extension &
4669                             ATA_SUPPORT_GENLOG)
4670                                 softc->flags |= DA_FLAG_CAN_ATA_LOG;
4671
4672                         /*
4673                          * At this point, if we have a SATA host aware drive,
4674                          * we communicate via ATA passthrough unless the
4675                          * SAT layer supports ZBC -> ZAC translation.  In
4676                          * that case,
4677                          */
4678                         /*
4679                          * XXX KDM figure out how to detect a host managed
4680                          * SATA drive.
4681                          */
4682                         if (softc->zone_mode == DA_ZONE_NONE) {
4683                                 /*
4684                                  * Note that we don't override the zone
4685                                  * mode or interface if it has already been
4686                                  * set.  This is because it has either been
4687                                  * set as a quirk, or when we probed the
4688                                  * SCSI Block Device Characteristics page,
4689                                  * the zoned field was set.  The latter
4690                                  * means that the SAT layer supports ZBC to
4691                                  * ZAC translation, and we would prefer to
4692                                  * use that if it is available.
4693                                  */
4694                                 if ((ata_params->support3 &
4695                                     ATA_SUPPORT_ZONE_MASK) ==
4696                                     ATA_SUPPORT_ZONE_HOST_AWARE) {
4697                                         softc->zone_mode = DA_ZONE_HOST_AWARE;
4698                                         softc->zone_interface =
4699                                             DA_ZONE_IF_ATA_PASS;
4700                                 } else if ((ata_params->support3 &
4701                                             ATA_SUPPORT_ZONE_MASK) ==
4702                                             ATA_SUPPORT_ZONE_DEV_MANAGED) {
4703                                         softc->zone_mode =DA_ZONE_DRIVE_MANAGED;
4704                                         softc->zone_interface =
4705                                             DA_ZONE_IF_ATA_PASS;
4706                                 }
4707                         }
4708
4709                 } else {
4710                         error = daerror(done_ccb, CAM_RETRY_SELTO,
4711                                         SF_RETRY_UA|SF_NO_PRINT);
4712                         if (error == ERESTART)
4713                                 return;
4714                         else if (error != 0) {
4715                                 if ((done_ccb->ccb_h.status &
4716                                      CAM_DEV_QFRZN) != 0) {
4717                                         /* Don't wedge this device's queue */
4718                                         cam_release_devq(done_ccb->ccb_h.path,
4719                                                          /*relsim_flags*/0,
4720                                                          /*reduction*/0,
4721                                                          /*timeout*/0,
4722                                                          /*getcount_only*/0);
4723                                 }
4724                         }
4725                 }
4726
4727                 free(ata_params, M_SCSIDA);
4728                 if ((softc->zone_mode == DA_ZONE_HOST_AWARE)
4729                  || (softc->zone_mode == DA_ZONE_HOST_MANAGED)) {
4730                         /*
4731                          * If the ATA IDENTIFY failed, we could be talking
4732                          * to a SCSI drive, although that seems unlikely,
4733                          * since the drive did report that it supported the 
4734                          * ATA Information VPD page.  If the ATA IDENTIFY
4735                          * succeeded, and the SAT layer doesn't support
4736                          * ZBC -> ZAC translation, continue on to get the
4737                          * directory of ATA logs, and complete the rest of
4738                          * the ZAC probe.  If the SAT layer does support
4739                          * ZBC -> ZAC translation, we want to use that,
4740                          * and we'll probe the SCSI Zoned Block Device
4741                          * Characteristics VPD page next.
4742                          */
4743                         if ((error == 0)
4744                          && (softc->flags & DA_FLAG_CAN_ATA_LOG)
4745                          && (softc->zone_interface == DA_ZONE_IF_ATA_PASS))
4746                                 softc->state = DA_STATE_PROBE_ATA_LOGDIR;
4747                         else
4748                                 softc->state = DA_STATE_PROBE_ZONE;
4749                         continue_probe = 1;
4750                 }
4751                 if (continue_probe != 0) {
4752                         xpt_release_ccb(done_ccb);
4753                         xpt_schedule(periph, priority);
4754                         return;
4755                 } else
4756                         daprobedone(periph, done_ccb);
4757                 return;
4758         }
4759         case DA_CCB_PROBE_ATA_LOGDIR:
4760         {
4761                 int error;
4762
4763                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4764                         error = 0;
4765                         softc->valid_logdir_len = 0;
4766                         bzero(&softc->ata_logdir, sizeof(softc->ata_logdir));
4767                         softc->valid_logdir_len =
4768                                 csio->dxfer_len - csio->resid;
4769                         if (softc->valid_logdir_len > 0)
4770                                 bcopy(csio->data_ptr, &softc->ata_logdir,
4771                                     min(softc->valid_logdir_len,
4772                                         sizeof(softc->ata_logdir)));
4773                         /*
4774                          * Figure out whether the Identify Device log is
4775                          * supported.  The General Purpose log directory
4776                          * has a header, and lists the number of pages
4777                          * available for each GP log identified by the
4778                          * offset into the list.
4779                          */
4780                         if ((softc->valid_logdir_len >=
4781                             ((ATA_IDENTIFY_DATA_LOG + 1) * sizeof(uint16_t)))
4782                          && (le16dec(softc->ata_logdir.header) == 
4783                              ATA_GP_LOG_DIR_VERSION)
4784                          && (le16dec(&softc->ata_logdir.num_pages[
4785                              (ATA_IDENTIFY_DATA_LOG *
4786                              sizeof(uint16_t)) - sizeof(uint16_t)]) > 0)){
4787                                 softc->flags |= DA_FLAG_CAN_ATA_IDLOG;
4788                         } else {
4789                                 softc->flags &= ~DA_FLAG_CAN_ATA_IDLOG;
4790                         }
4791                 } else {
4792                         error = daerror(done_ccb, CAM_RETRY_SELTO,
4793                                         SF_RETRY_UA|SF_NO_PRINT);
4794                         if (error == ERESTART)
4795                                 return;
4796                         else if (error != 0) {
4797                                 /*
4798                                  * If we can't get the ATA log directory,
4799                                  * then ATA logs are effectively not
4800                                  * supported even if the bit is set in the
4801                                  * identify data.
4802                                  */ 
4803                                 softc->flags &= ~(DA_FLAG_CAN_ATA_LOG |
4804                                                   DA_FLAG_CAN_ATA_IDLOG);
4805                                 if ((done_ccb->ccb_h.status &
4806                                      CAM_DEV_QFRZN) != 0) {
4807                                         /* Don't wedge this device's queue */
4808                                         cam_release_devq(done_ccb->ccb_h.path,
4809                                                          /*relsim_flags*/0,
4810                                                          /*reduction*/0,
4811                                                          /*timeout*/0,
4812                                                          /*getcount_only*/0);
4813                                 }
4814                         }
4815                 }
4816
4817                 free(csio->data_ptr, M_SCSIDA);
4818
4819                 if ((error == 0)
4820                  && (softc->flags & DA_FLAG_CAN_ATA_IDLOG)) {
4821                         softc->state = DA_STATE_PROBE_ATA_IDDIR;
4822                         xpt_release_ccb(done_ccb);
4823                         xpt_schedule(periph, priority);
4824                         return;
4825                 } 
4826                 daprobedone(periph, done_ccb);
4827                 return;
4828         }
4829         case DA_CCB_PROBE_ATA_IDDIR:
4830         {
4831                 int error;
4832
4833                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4834                         off_t entries_offset, max_entries;
4835                         error = 0;
4836
4837                         softc->valid_iddir_len = 0;
4838                         bzero(&softc->ata_iddir, sizeof(softc->ata_iddir));
4839                         softc->flags &= ~(DA_FLAG_CAN_ATA_SUPCAP |
4840                                           DA_FLAG_CAN_ATA_ZONE);
4841                         softc->valid_iddir_len =
4842                                 csio->dxfer_len - csio->resid;
4843                         if (softc->valid_iddir_len > 0)
4844                                 bcopy(csio->data_ptr, &softc->ata_iddir,
4845                                     min(softc->valid_iddir_len,
4846                                         sizeof(softc->ata_iddir)));
4847
4848                         entries_offset =
4849                             __offsetof(struct ata_identify_log_pages,entries);
4850                         max_entries = softc->valid_iddir_len - entries_offset;
4851                         if ((softc->valid_iddir_len > (entries_offset + 1))
4852                          && (le64dec(softc->ata_iddir.header) ==
4853                              ATA_IDLOG_REVISION)
4854                          && (softc->ata_iddir.entry_count > 0)) {
4855                                 int num_entries, i;
4856
4857                                 num_entries = softc->ata_iddir.entry_count;
4858                                 num_entries = min(num_entries,
4859                                    softc->valid_iddir_len - entries_offset);
4860                                 for (i = 0; i < num_entries &&
4861                                      i < max_entries; i++) {
4862                                         if (softc->ata_iddir.entries[i] ==
4863                                             ATA_IDL_SUP_CAP)
4864                                                 softc->flags |=
4865                                                     DA_FLAG_CAN_ATA_SUPCAP;
4866                                         else if (softc->ata_iddir.entries[i]==
4867                                                  ATA_IDL_ZDI)
4868                                                 softc->flags |=
4869                                                     DA_FLAG_CAN_ATA_ZONE;
4870
4871                                         if ((softc->flags &
4872                                              DA_FLAG_CAN_ATA_SUPCAP)
4873                                          && (softc->flags &
4874                                              DA_FLAG_CAN_ATA_ZONE))
4875                                                 break;
4876                                 }
4877                         }
4878                 } else {
4879                         error = daerror(done_ccb, CAM_RETRY_SELTO,
4880                                         SF_RETRY_UA|SF_NO_PRINT);
4881                         if (error == ERESTART)
4882                                 return;
4883                         else if (error != 0) {
4884                                 /*
4885                                  * If we can't get the ATA Identify Data log
4886                                  * directory, then it effectively isn't
4887                                  * supported even if the ATA Log directory
4888                                  * a non-zero number of pages present for
4889                                  * this log.
4890                                  */
4891                                 softc->flags &= ~DA_FLAG_CAN_ATA_IDLOG;
4892                                 if ((done_ccb->ccb_h.status &
4893                                      CAM_DEV_QFRZN) != 0) {
4894                                         /* Don't wedge this device's queue */
4895                                         cam_release_devq(done_ccb->ccb_h.path,
4896                                                          /*relsim_flags*/0,
4897                                                          /*reduction*/0,
4898                                                          /*timeout*/0,
4899                                                          /*getcount_only*/0);
4900                                 }
4901                         }
4902                 }
4903
4904                 free(csio->data_ptr, M_SCSIDA);
4905
4906                 if ((error == 0)
4907                  && (softc->flags & DA_FLAG_CAN_ATA_SUPCAP)) {
4908                         softc->state = DA_STATE_PROBE_ATA_SUP;
4909                         xpt_release_ccb(done_ccb);
4910                         xpt_schedule(periph, priority);
4911                         return;
4912                 } 
4913                 daprobedone(periph, done_ccb);
4914                 return;
4915         }
4916         case DA_CCB_PROBE_ATA_SUP:
4917         {
4918                 int error;
4919
4920                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
4921                         uint32_t valid_len;
4922                         size_t needed_size;
4923                         struct ata_identify_log_sup_cap *sup_cap;
4924                         error = 0;
4925
4926                         sup_cap = (struct ata_identify_log_sup_cap *)
4927                             csio->data_ptr;
4928                         valid_len = csio->dxfer_len - csio->resid;
4929                         needed_size =
4930                             __offsetof(struct ata_identify_log_sup_cap,
4931                             sup_zac_cap) + 1 + sizeof(sup_cap->sup_zac_cap);
4932                         if (valid_len >= needed_size) {
4933                                 uint64_t zoned, zac_cap;
4934
4935                                 zoned = le64dec(sup_cap->zoned_cap);
4936                                 if (zoned & ATA_ZONED_VALID) {
4937                                         /*
4938                                          * This should have already been
4939                                          * set, because this is also in the
4940                                          * ATA identify data.
4941                                          */
4942                                         if ((zoned & ATA_ZONED_MASK) ==
4943                                             ATA_SUPPORT_ZONE_HOST_AWARE)
4944                                                 softc->zone_mode =
4945                                                     DA_ZONE_HOST_AWARE;
4946                                         else if ((zoned & ATA_ZONED_MASK) ==
4947                                             ATA_SUPPORT_ZONE_DEV_MANAGED)
4948                                                 softc->zone_mode =
4949                                                     DA_ZONE_DRIVE_MANAGED;
4950                                 }
4951
4952                                 zac_cap = le64dec(sup_cap->sup_zac_cap);
4953                                 if (zac_cap & ATA_SUP_ZAC_CAP_VALID) {
4954                                         if (zac_cap & ATA_REPORT_ZONES_SUP)
4955                                                 softc->zone_flags |=
4956                                                     DA_ZONE_FLAG_RZ_SUP;
4957                                         if (zac_cap & ATA_ND_OPEN_ZONE_SUP)
4958                                                 softc->zone_flags |=
4959                                                     DA_ZONE_FLAG_OPEN_SUP;
4960                                         if (zac_cap & ATA_ND_CLOSE_ZONE_SUP)
4961                                                 softc->zone_flags |=
4962                                                     DA_ZONE_FLAG_CLOSE_SUP;
4963                                         if (zac_cap & ATA_ND_FINISH_ZONE_SUP)
4964                                                 softc->zone_flags |=
4965                                                     DA_ZONE_FLAG_FINISH_SUP;
4966                                         if (zac_cap & ATA_ND_RWP_SUP)
4967                                                 softc->zone_flags |=
4968                                                     DA_ZONE_FLAG_RWP_SUP;
4969                                 } else {
4970                                         /*
4971                                          * This field was introduced in
4972                                          * ACS-4, r08 on April 28th, 2015.
4973                                          * If the drive firmware was written
4974                                          * to an earlier spec, it won't have
4975                                          * the field.  So, assume all
4976                                          * commands are supported.
4977                                          */ 
4978                                         softc->zone_flags |=
4979                                             DA_ZONE_FLAG_SUP_MASK;
4980                                 }
4981                                             
4982                         }
4983                 } else {
4984                         error = daerror(done_ccb, CAM_RETRY_SELTO,
4985                                         SF_RETRY_UA|SF_NO_PRINT);
4986                         if (error == ERESTART)
4987                                 return;
4988                         else if (error != 0) {
4989                                 /*
4990                                  * If we can't get the ATA Identify Data
4991                                  * Supported Capabilities page, clear the
4992                                  * flag...
4993                                  */
4994                                 softc->flags &= ~DA_FLAG_CAN_ATA_SUPCAP;
4995                                 /*
4996                                  * And clear zone capabilities.
4997                                  */
4998                                 softc->zone_flags &= ~DA_ZONE_FLAG_SUP_MASK;
4999                                 if ((done_ccb->ccb_h.status &
5000                                      CAM_DEV_QFRZN) != 0) {
5001                                         /* Don't wedge this device's queue */
5002                                         cam_release_devq(done_ccb->ccb_h.path,
5003                                                          /*relsim_flags*/0,
5004                                                          /*reduction*/0,
5005                                                          /*timeout*/0,
5006                                                          /*getcount_only*/0);
5007                                 }
5008                         }
5009                 }
5010
5011                 free(csio->data_ptr, M_SCSIDA);
5012
5013                 if ((error == 0)
5014                  && (softc->flags & DA_FLAG_CAN_ATA_ZONE)) {
5015                         softc->state = DA_STATE_PROBE_ATA_ZONE;
5016                         xpt_release_ccb(done_ccb);
5017                         xpt_schedule(periph, priority);
5018                         return;
5019                 } 
5020                 daprobedone(periph, done_ccb);
5021                 return;
5022         }
5023         case DA_CCB_PROBE_ATA_ZONE:
5024         {
5025                 int error;
5026
5027                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5028                         struct ata_zoned_info_log *zi_log;
5029                         uint32_t valid_len;
5030                         size_t needed_size;
5031
5032                         zi_log = (struct ata_zoned_info_log *)csio->data_ptr;
5033
5034                         valid_len = csio->dxfer_len - csio->resid;
5035                         needed_size = __offsetof(struct ata_zoned_info_log,
5036                             version_info) + 1 + sizeof(zi_log->version_info);
5037                         if (valid_len >= needed_size) {
5038                                 uint64_t tmpvar;
5039
5040                                 tmpvar = le64dec(zi_log->zoned_cap);
5041                                 if (tmpvar & ATA_ZDI_CAP_VALID) {
5042                                         if (tmpvar & ATA_ZDI_CAP_URSWRZ)
5043                                                 softc->zone_flags |=
5044                                                     DA_ZONE_FLAG_URSWRZ;
5045                                         else
5046                                                 softc->zone_flags &=
5047                                                     ~DA_ZONE_FLAG_URSWRZ;
5048                                 }
5049                                 tmpvar = le64dec(zi_log->optimal_seq_zones);
5050                                 if (tmpvar & ATA_ZDI_OPT_SEQ_VALID) {
5051                                         softc->zone_flags |=
5052                                             DA_ZONE_FLAG_OPT_SEQ_SET;
5053                                         softc->optimal_seq_zones = (tmpvar &
5054                                             ATA_ZDI_OPT_SEQ_MASK);
5055                                 } else {
5056                                         softc->zone_flags &=
5057                                             ~DA_ZONE_FLAG_OPT_SEQ_SET;
5058                                         softc->optimal_seq_zones = 0;
5059                                 }
5060
5061                                 tmpvar =le64dec(zi_log->optimal_nonseq_zones);
5062                                 if (tmpvar & ATA_ZDI_OPT_NS_VALID) {
5063                                         softc->zone_flags |=
5064                                             DA_ZONE_FLAG_OPT_NONSEQ_SET;
5065                                         softc->optimal_nonseq_zones =
5066                                             (tmpvar & ATA_ZDI_OPT_NS_MASK);
5067                                 } else {
5068                                         softc->zone_flags &=
5069                                             ~DA_ZONE_FLAG_OPT_NONSEQ_SET;
5070                                         softc->optimal_nonseq_zones = 0;
5071                                 }
5072
5073                                 tmpvar = le64dec(zi_log->max_seq_req_zones);
5074                                 if (tmpvar & ATA_ZDI_MAX_SEQ_VALID) {
5075                                         softc->zone_flags |=
5076                                             DA_ZONE_FLAG_MAX_SEQ_SET;
5077                                         softc->max_seq_zones =
5078                                             (tmpvar & ATA_ZDI_MAX_SEQ_MASK);
5079                                 } else {
5080                                         softc->zone_flags &=
5081                                             ~DA_ZONE_FLAG_MAX_SEQ_SET;
5082                                         softc->max_seq_zones = 0;
5083                                 }
5084                         }
5085                 } else {
5086                         error = daerror(done_ccb, CAM_RETRY_SELTO,
5087                                         SF_RETRY_UA|SF_NO_PRINT);
5088                         if (error == ERESTART)
5089                                 return;
5090                         else if (error != 0) {
5091                                 softc->flags &= ~DA_FLAG_CAN_ATA_ZONE;
5092                                 softc->flags &= ~DA_ZONE_FLAG_SET_MASK;
5093
5094                                 if ((done_ccb->ccb_h.status &
5095                                      CAM_DEV_QFRZN) != 0) {
5096                                         /* Don't wedge this device's queue */
5097                                         cam_release_devq(done_ccb->ccb_h.path,
5098                                                          /*relsim_flags*/0,
5099                                                          /*reduction*/0,
5100                                                          /*timeout*/0,
5101                                                          /*getcount_only*/0);
5102                                 }
5103                         }
5104         
5105                 }
5106                 free(csio->data_ptr, M_SCSIDA);
5107
5108                 daprobedone(periph, done_ccb);
5109                 return;
5110         }
5111         case DA_CCB_PROBE_ZONE:
5112         {
5113                 int error;
5114
5115                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
5116                         uint32_t valid_len;
5117                         size_t needed_len;
5118                         struct scsi_vpd_zoned_bdc *zoned_bdc;
5119
5120                         error = 0;
5121                         zoned_bdc = (struct scsi_vpd_zoned_bdc *)
5122                                 csio->data_ptr;
5123                         valid_len = csio->dxfer_len - csio->resid;
5124                         needed_len = __offsetof(struct scsi_vpd_zoned_bdc,
5125                             max_seq_req_zones) + 1 +
5126                             sizeof(zoned_bdc->max_seq_req_zones);
5127                         if ((valid_len >= needed_len)
5128                          && (scsi_2btoul(zoned_bdc->page_length) >=
5129                              SVPD_ZBDC_PL)) {
5130                                 if (zoned_bdc->flags & SVPD_ZBDC_URSWRZ)
5131                                         softc->zone_flags |=
5132                                             DA_ZONE_FLAG_URSWRZ;
5133                                 else
5134                                         softc->zone_flags &= 
5135                                             ~DA_ZONE_FLAG_URSWRZ;
5136                                 softc->optimal_seq_zones =
5137                                     scsi_4btoul(zoned_bdc->optimal_seq_zones);
5138                                 softc->zone_flags |= DA_ZONE_FLAG_OPT_SEQ_SET;
5139                                 softc->optimal_nonseq_zones = scsi_4btoul(
5140                                     zoned_bdc->optimal_nonseq_zones);
5141                                 softc->zone_flags |=
5142                                     DA_ZONE_FLAG_OPT_NONSEQ_SET;
5143                                 softc->max_seq_zones =
5144                                     scsi_4btoul(zoned_bdc->max_seq_req_zones);
5145                                 softc->zone_flags |= DA_ZONE_FLAG_MAX_SEQ_SET;
5146                         }
5147                         /*
5148                          * All of the zone commands are mandatory for SCSI
5149                          * devices.
5150                          *
5151                          * XXX KDM this is valid as of September 2015.
5152                          * Re-check this assumption once the SAT spec is
5153                          * updated to support SCSI ZBC to ATA ZAC mapping.
5154                          * Since ATA allows zone commands to be reported
5155                          * as supported or not, this may not necessarily
5156                          * be true for an ATA device behind a SAT (SCSI to
5157                          * ATA Translation) layer.
5158                          */
5159                         softc->zone_flags |= DA_ZONE_FLAG_SUP_MASK;
5160                 } else {
5161                         error = daerror(done_ccb, CAM_RETRY_SELTO,
5162                                         SF_RETRY_UA|SF_NO_PRINT);
5163                         if (error == ERESTART)
5164                                 return;
5165                         else if (error != 0) {
5166                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
5167                                         /* Don't wedge this device's queue */
5168                                         cam_release_devq(done_ccb->ccb_h.path,
5169                                                          /*relsim_flags*/0,
5170                                                          /*reduction*/0,
5171                                                          /*timeout*/0,
5172                                                          /*getcount_only*/0);
5173                                 }
5174                         }
5175                 }
5176                 daprobedone(periph, done_ccb);
5177                 return;
5178         }
5179         case DA_CCB_DUMP:
5180                 /* No-op.  We're polling */
5181                 return;
5182         case DA_CCB_TUR:
5183         {
5184                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
5185
5186                         if (daerror(done_ccb, CAM_RETRY_SELTO,
5187                             SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) ==
5188                             ERESTART)
5189                                 return;
5190                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
5191                                 cam_release_devq(done_ccb->ccb_h.path,
5192                                                  /*relsim_flags*/0,
5193                                                  /*reduction*/0,
5194                                                  /*timeout*/0,
5195                                                  /*getcount_only*/0);
5196                 }
5197                 xpt_release_ccb(done_ccb);
5198                 cam_periph_release_locked(periph);
5199                 return;
5200         }
5201         default:
5202                 break;
5203         }
5204         xpt_release_ccb(done_ccb);
5205 }
5206
5207 static void
5208 dareprobe(struct cam_periph *periph)
5209 {
5210         struct da_softc   *softc;
5211         cam_status status;
5212
5213         softc = (struct da_softc *)periph->softc;
5214
5215         /* Probe in progress; don't interfere. */
5216         if (softc->state != DA_STATE_NORMAL)
5217                 return;
5218
5219         status = cam_periph_acquire(periph);
5220         KASSERT(status == CAM_REQ_CMP,
5221             ("dareprobe: cam_periph_acquire failed"));
5222
5223         if (softc->flags & DA_FLAG_CAN_RC16)
5224                 softc->state = DA_STATE_PROBE_RC16;
5225         else
5226                 softc->state = DA_STATE_PROBE_RC;
5227
5228         xpt_schedule(periph, CAM_PRIORITY_DEV);
5229 }
5230
5231 static int
5232 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
5233 {
5234         struct da_softc   *softc;
5235         struct cam_periph *periph;
5236         int error, error_code, sense_key, asc, ascq;
5237
5238 #if defined(BUF_TRACKING) || defined(FULL_BUF_TRACKING)
5239         if (ccb->csio.bio != NULL)
5240                 biotrack(ccb->csio.bio, __func__);
5241 #endif
5242
5243         periph = xpt_path_periph(ccb->ccb_h.path);
5244         softc = (struct da_softc *)periph->softc;
5245
5246         /*
5247          * Automatically detect devices that do not support
5248          * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
5249          */
5250         error = 0;
5251         if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
5252                 error = cmd6workaround(ccb);
5253         } else if (scsi_extract_sense_ccb(ccb,
5254             &error_code, &sense_key, &asc, &ascq)) {
5255                 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
5256                         error = cmd6workaround(ccb);
5257                 /*
5258                  * If the target replied with CAPACITY DATA HAS CHANGED UA,
5259                  * query the capacity and notify upper layers.
5260                  */
5261                 else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5262                     asc == 0x2A && ascq == 0x09) {
5263                         xpt_print(periph->path, "Capacity data has changed\n");
5264                         softc->flags &= ~DA_FLAG_PROBED;
5265                         dareprobe(periph);
5266                         sense_flags |= SF_NO_PRINT;
5267                 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5268                     asc == 0x28 && ascq == 0x00) {
5269                         softc->flags &= ~DA_FLAG_PROBED;
5270                         disk_media_changed(softc->disk, M_NOWAIT);
5271                 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
5272                     asc == 0x3F && ascq == 0x03) {
5273                         xpt_print(periph->path, "INQUIRY data has changed\n");
5274                         softc->flags &= ~DA_FLAG_PROBED;
5275                         dareprobe(periph);
5276                         sense_flags |= SF_NO_PRINT;
5277                 } else if (sense_key == SSD_KEY_NOT_READY &&
5278                     asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
5279                         softc->flags |= DA_FLAG_PACK_INVALID;
5280                         disk_media_gone(softc->disk, M_NOWAIT);
5281                 }
5282         }
5283         if (error == ERESTART)
5284                 return (ERESTART);
5285
5286 #ifdef CAM_IO_STATS
5287         switch (ccb->ccb_h.status & CAM_STATUS_MASK) {
5288         case CAM_CMD_TIMEOUT:
5289                 softc->timeouts++;
5290                 break;
5291         case CAM_REQ_ABORTED:
5292         case CAM_REQ_CMP_ERR:
5293         case CAM_REQ_TERMIO:
5294         case CAM_UNREC_HBA_ERROR:
5295         case CAM_DATA_RUN_ERR:
5296                 softc->errors++;
5297                 break;
5298         default:
5299                 break;
5300         }
5301 #endif
5302
5303         /*
5304          * XXX
5305          * Until we have a better way of doing pack validation,
5306          * don't treat UAs as errors.
5307          */
5308         sense_flags |= SF_RETRY_UA;
5309
5310         if (softc->quirks & DA_Q_RETRY_BUSY)
5311                 sense_flags |= SF_RETRY_BUSY;
5312         return(cam_periph_error(ccb, cam_flags, sense_flags,
5313                                 &softc->saved_ccb));
5314 }
5315
5316 static void
5317 damediapoll(void *arg)
5318 {
5319         struct cam_periph *periph = arg;
5320         struct da_softc *softc = periph->softc;
5321
5322         if (!cam_iosched_has_work_flags(softc->cam_iosched, DA_WORK_TUR) &&
5323             LIST_EMPTY(&softc->pending_ccbs)) {
5324                 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
5325                         cam_iosched_set_work_flags(softc->cam_iosched, DA_WORK_TUR);
5326                         daschedule(periph);
5327                 }
5328         }
5329         /* Queue us up again */
5330         if (da_poll_period != 0)
5331                 callout_schedule(&softc->mediapoll_c, da_poll_period * hz);
5332 }
5333
5334 static void
5335 daprevent(struct cam_periph *periph, int action)
5336 {
5337         struct  da_softc *softc;
5338         union   ccb *ccb;               
5339         int     error;
5340                 
5341         softc = (struct da_softc *)periph->softc;
5342
5343         if (((action == PR_ALLOW)
5344           && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
5345          || ((action == PR_PREVENT)
5346           && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
5347                 return;
5348         }
5349
5350         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
5351
5352         scsi_prevent(&ccb->csio,
5353                      /*retries*/1,
5354                      /*cbcfp*/dadone,
5355                      MSG_SIMPLE_Q_TAG,
5356                      action,
5357                      SSD_FULL_SIZE,
5358                      5000);
5359
5360         error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
5361             SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat);
5362
5363         if (error == 0) {
5364                 if (action == PR_ALLOW)
5365                         softc->flags &= ~DA_FLAG_PACK_LOCKED;
5366                 else
5367                         softc->flags |= DA_FLAG_PACK_LOCKED;
5368         }
5369
5370         xpt_release_ccb(ccb);
5371 }
5372
5373 static void
5374 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
5375           struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
5376 {
5377         struct ccb_calc_geometry ccg;
5378         struct da_softc *softc;
5379         struct disk_params *dp;
5380         u_int lbppbe, lalba;
5381         int error;
5382
5383         softc = (struct da_softc *)periph->softc;
5384
5385         dp = &softc->params;
5386         dp->secsize = block_len;
5387         dp->sectors = maxsector + 1;
5388         if (rcaplong != NULL) {
5389                 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
5390                 lalba = scsi_2btoul(rcaplong->lalba_lbp);
5391                 lalba &= SRC16_LALBA_A;
5392         } else {
5393                 lbppbe = 0;
5394                 lalba = 0;
5395         }
5396
5397         if (lbppbe > 0) {
5398                 dp->stripesize = block_len << lbppbe;
5399                 dp->stripeoffset = (dp->stripesize - block_len * lalba) %
5400                     dp->stripesize;
5401         } else if (softc->quirks & DA_Q_4K) {
5402                 dp->stripesize = 4096;
5403                 dp->stripeoffset = 0;
5404         } else {
5405                 dp->stripesize = 0;
5406                 dp->stripeoffset = 0;
5407         }
5408         /*
5409          * Have the controller provide us with a geometry
5410          * for this disk.  The only time the geometry
5411          * matters is when we boot and the controller
5412          * is the only one knowledgeable enough to come
5413          * up with something that will make this a bootable
5414          * device.
5415          */
5416         xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
5417         ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
5418         ccg.block_size = dp->secsize;
5419         ccg.volume_size = dp->sectors;
5420         ccg.heads = 0;
5421         ccg.secs_per_track = 0;
5422         ccg.cylinders = 0;
5423         xpt_action((union ccb*)&ccg);
5424         if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
5425                 /*
5426                  * We don't know what went wrong here- but just pick
5427                  * a geometry so we don't have nasty things like divide
5428                  * by zero.
5429                  */
5430                 dp->heads = 255;
5431                 dp->secs_per_track = 255;
5432                 dp->cylinders = dp->sectors / (255 * 255);
5433                 if (dp->cylinders == 0) {
5434                         dp->cylinders = 1;
5435                 }
5436         } else {
5437                 dp->heads = ccg.heads;
5438                 dp->secs_per_track = ccg.secs_per_track;
5439                 dp->cylinders = ccg.cylinders;
5440         }
5441
5442         /*
5443          * If the user supplied a read capacity buffer, and if it is
5444          * different than the previous buffer, update the data in the EDT.
5445          * If it's the same, we don't bother.  This avoids sending an
5446          * update every time someone opens this device.
5447          */
5448         if ((rcaplong != NULL)
5449          && (bcmp(rcaplong, &softc->rcaplong,
5450                   min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
5451                 struct ccb_dev_advinfo cdai;
5452
5453                 xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
5454                 cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
5455                 cdai.buftype = CDAI_TYPE_RCAPLONG;
5456                 cdai.flags = CDAI_FLAG_STORE;
5457                 cdai.bufsiz = rcap_len;
5458                 cdai.buf = (uint8_t *)rcaplong;
5459                 xpt_action((union ccb *)&cdai);
5460                 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
5461                         cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
5462                 if (cdai.ccb_h.status != CAM_REQ_CMP) {
5463                         xpt_print(periph->path, "%s: failed to set read "
5464                                   "capacity advinfo\n", __func__);
5465                         /* Use cam_error_print() to decode the status */
5466                         cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
5467                                         CAM_EPF_ALL);
5468                 } else {
5469                         bcopy(rcaplong, &softc->rcaplong,
5470                               min(sizeof(softc->rcaplong), rcap_len));
5471                 }
5472         }
5473
5474         softc->disk->d_sectorsize = softc->params.secsize;
5475         softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
5476         softc->disk->d_stripesize = softc->params.stripesize;
5477         softc->disk->d_stripeoffset = softc->params.stripeoffset;
5478         /* XXX: these are not actually "firmware" values, so they may be wrong */
5479         softc->disk->d_fwsectors = softc->params.secs_per_track;
5480         softc->disk->d_fwheads = softc->params.heads;
5481         softc->disk->d_devstat->block_size = softc->params.secsize;
5482         softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
5483
5484         error = disk_resize(softc->disk, M_NOWAIT);
5485         if (error != 0)
5486                 xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error);
5487 }
5488
5489 static void
5490 dasendorderedtag(void *arg)
5491 {
5492         struct da_softc *softc = arg;
5493
5494         if (da_send_ordered) {
5495                 if (!LIST_EMPTY(&softc->pending_ccbs)) {
5496                         if ((softc->flags & DA_FLAG_WAS_OTAG) == 0)
5497                                 softc->flags |= DA_FLAG_NEED_OTAG;
5498                         softc->flags &= ~DA_FLAG_WAS_OTAG;
5499                 }
5500         }
5501         /* Queue us up again */
5502         callout_reset(&softc->sendordered_c,
5503             (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
5504             dasendorderedtag, softc);
5505 }
5506
5507 /*
5508  * Step through all DA peripheral drivers, and if the device is still open,
5509  * sync the disk cache to physical media.
5510  */
5511 static void
5512 dashutdown(void * arg, int howto)
5513 {
5514         struct cam_periph *periph;
5515         struct da_softc *softc;
5516         union ccb *ccb;
5517         int error;
5518
5519         CAM_PERIPH_FOREACH(periph, &dadriver) {
5520                 softc = (struct da_softc *)periph->softc;
5521                 if (SCHEDULER_STOPPED()) {
5522                         /* If we paniced with the lock held, do not recurse. */
5523                         if (!cam_periph_owned(periph) &&
5524                             (softc->flags & DA_FLAG_OPEN)) {
5525                                 dadump(softc->disk, NULL, 0, 0, 0);
5526                         }
5527                         continue;
5528                 }
5529                 cam_periph_lock(periph);
5530
5531                 /*
5532                  * We only sync the cache if the drive is still open, and
5533                  * if the drive is capable of it..
5534                  */
5535                 if (((softc->flags & DA_FLAG_OPEN) == 0)
5536                  || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
5537                         cam_periph_unlock(periph);
5538                         continue;
5539                 }
5540
5541                 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
5542                 scsi_synchronize_cache(&ccb->csio,
5543                                        /*retries*/0,
5544                                        /*cbfcnp*/dadone,
5545                                        MSG_SIMPLE_Q_TAG,
5546                                        /*begin_lba*/0, /* whole disk */
5547                                        /*lb_count*/0,
5548                                        SSD_FULL_SIZE,
5549                                        60 * 60 * 1000);
5550
5551                 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
5552                     /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
5553                     softc->disk->d_devstat);
5554                 if (error != 0)
5555                         xpt_print(periph->path, "Synchronize cache failed\n");
5556                 xpt_release_ccb(ccb);
5557                 cam_periph_unlock(periph);
5558         }
5559 }
5560
5561 #else /* !_KERNEL */
5562
5563 /*
5564  * XXX These are only left out of the kernel build to silence warnings.  If,
5565  * for some reason these functions are used in the kernel, the ifdefs should
5566  * be moved so they are included both in the kernel and userland.
5567  */
5568 void
5569 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
5570                  void (*cbfcnp)(struct cam_periph *, union ccb *),
5571                  u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
5572                  u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
5573                  u_int32_t timeout)
5574 {
5575         struct scsi_format_unit *scsi_cmd;
5576
5577         scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
5578         scsi_cmd->opcode = FORMAT_UNIT;
5579         scsi_cmd->byte2 = byte2;
5580         scsi_ulto2b(ileave, scsi_cmd->interleave);
5581
5582         cam_fill_csio(csio,
5583                       retries,
5584                       cbfcnp,
5585                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
5586                       tag_action,
5587                       data_ptr,
5588                       dxfer_len,
5589                       sense_len,
5590                       sizeof(*scsi_cmd),
5591                       timeout);
5592 }
5593
5594 void
5595 scsi_read_defects(struct ccb_scsiio *csio, uint32_t retries,
5596                   void (*cbfcnp)(struct cam_periph *, union ccb *),
5597                   uint8_t tag_action, uint8_t list_format,
5598                   uint32_t addr_desc_index, uint8_t *data_ptr,
5599                   uint32_t dxfer_len, int minimum_cmd_size, 
5600                   uint8_t sense_len, uint32_t timeout)
5601 {
5602         uint8_t cdb_len;
5603
5604         /*
5605          * These conditions allow using the 10 byte command.  Otherwise we
5606          * need to use the 12 byte command.
5607          */
5608         if ((minimum_cmd_size <= 10)
5609          && (addr_desc_index == 0) 
5610          && (dxfer_len <= SRDD10_MAX_LENGTH)) {
5611                 struct scsi_read_defect_data_10 *cdb10;
5612
5613                 cdb10 = (struct scsi_read_defect_data_10 *)
5614                         &csio->cdb_io.cdb_bytes;
5615
5616                 cdb_len = sizeof(*cdb10);
5617                 bzero(cdb10, cdb_len);
5618                 cdb10->opcode = READ_DEFECT_DATA_10;
5619                 cdb10->format = list_format;
5620                 scsi_ulto2b(dxfer_len, cdb10->alloc_length);
5621         } else {
5622                 struct scsi_read_defect_data_12 *cdb12;
5623
5624                 cdb12 = (struct scsi_read_defect_data_12 *)
5625                         &csio->cdb_io.cdb_bytes;
5626
5627                 cdb_len = sizeof(*cdb12);
5628                 bzero(cdb12, cdb_len);
5629                 cdb12->opcode = READ_DEFECT_DATA_12;
5630                 cdb12->format = list_format;
5631                 scsi_ulto4b(dxfer_len, cdb12->alloc_length);
5632                 scsi_ulto4b(addr_desc_index, cdb12->address_descriptor_index);
5633         }
5634
5635         cam_fill_csio(csio,
5636                       retries,
5637                       cbfcnp,
5638                       /*flags*/ CAM_DIR_IN,
5639                       tag_action,
5640                       data_ptr,
5641                       dxfer_len,
5642                       sense_len,
5643                       cdb_len,
5644                       timeout);
5645 }
5646
5647 void
5648 scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
5649               void (*cbfcnp)(struct cam_periph *, union ccb *),
5650               u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
5651               u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
5652               u_int32_t timeout)
5653 {
5654         struct scsi_sanitize *scsi_cmd;
5655
5656         scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes;
5657         scsi_cmd->opcode = SANITIZE;
5658         scsi_cmd->byte2 = byte2;
5659         scsi_cmd->control = control;
5660         scsi_ulto2b(dxfer_len, scsi_cmd->length);
5661
5662         cam_fill_csio(csio,
5663                       retries,
5664                       cbfcnp,
5665                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
5666                       tag_action,
5667                       data_ptr,
5668                       dxfer_len,
5669                       sense_len,
5670                       sizeof(*scsi_cmd),
5671                       timeout);
5672 }
5673
5674 #endif /* _KERNEL */
5675
5676 void
5677 scsi_zbc_out(struct ccb_scsiio *csio, uint32_t retries, 
5678              void (*cbfcnp)(struct cam_periph *, union ccb *),
5679              uint8_t tag_action, uint8_t service_action, uint64_t zone_id,
5680              uint8_t zone_flags, uint8_t *data_ptr, uint32_t dxfer_len,
5681              uint8_t sense_len, uint32_t timeout)
5682 {
5683         struct scsi_zbc_out *scsi_cmd;
5684
5685         scsi_cmd = (struct scsi_zbc_out *)&csio->cdb_io.cdb_bytes;
5686         scsi_cmd->opcode = ZBC_OUT;
5687         scsi_cmd->service_action = service_action;
5688         scsi_u64to8b(zone_id, scsi_cmd->zone_id);
5689         scsi_cmd->zone_flags = zone_flags;
5690
5691         cam_fill_csio(csio,
5692                       retries,
5693                       cbfcnp,
5694                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
5695                       tag_action,
5696                       data_ptr,
5697                       dxfer_len,
5698                       sense_len,
5699                       sizeof(*scsi_cmd),
5700                       timeout);
5701 }
5702
5703 void
5704 scsi_zbc_in(struct ccb_scsiio *csio, uint32_t retries, 
5705             void (*cbfcnp)(struct cam_periph *, union ccb *),
5706             uint8_t tag_action, uint8_t service_action, uint64_t zone_start_lba,
5707             uint8_t zone_options, uint8_t *data_ptr, uint32_t dxfer_len,
5708             uint8_t sense_len, uint32_t timeout)
5709 {
5710         struct scsi_zbc_in *scsi_cmd;
5711
5712         scsi_cmd = (struct scsi_zbc_in *)&csio->cdb_io.cdb_bytes;
5713         scsi_cmd->opcode = ZBC_IN;
5714         scsi_cmd->service_action = service_action;
5715         scsi_u64to8b(zone_start_lba, scsi_cmd->zone_start_lba);
5716         scsi_cmd->zone_options = zone_options;
5717
5718         cam_fill_csio(csio,
5719                       retries,
5720                       cbfcnp,
5721                       /*flags*/ (dxfer_len > 0) ? CAM_DIR_IN : CAM_DIR_NONE,
5722                       tag_action,
5723                       data_ptr,
5724                       dxfer_len,
5725                       sense_len,
5726                       sizeof(*scsi_cmd),
5727                       timeout);
5728
5729 }
5730
5731 int
5732 scsi_ata_zac_mgmt_out(struct ccb_scsiio *csio, uint32_t retries, 
5733                       void (*cbfcnp)(struct cam_periph *, union ccb *),
5734                       uint8_t tag_action, int use_ncq,
5735                       uint8_t zm_action, uint64_t zone_id, uint8_t zone_flags,
5736                       uint8_t *data_ptr, uint32_t dxfer_len,
5737                       uint8_t *cdb_storage, size_t cdb_storage_len,
5738                       uint8_t sense_len, uint32_t timeout)
5739 {
5740         uint8_t command_out, protocol, ata_flags;
5741         uint16_t features_out;
5742         uint32_t sectors_out, auxiliary;
5743         int retval;
5744
5745         retval = 0;
5746
5747         if (use_ncq == 0) {
5748                 command_out = ATA_ZAC_MANAGEMENT_OUT;
5749                 features_out = (zm_action & 0xf) | (zone_flags << 8);
5750                 ata_flags = AP_FLAG_BYT_BLOK_BLOCKS;
5751                 if (dxfer_len == 0) {
5752                         protocol = AP_PROTO_NON_DATA;
5753                         ata_flags |= AP_FLAG_TLEN_NO_DATA;
5754                         sectors_out = 0;
5755                 } else {
5756                         protocol = AP_PROTO_DMA;
5757                         ata_flags |= AP_FLAG_TLEN_SECT_CNT |
5758                                      AP_FLAG_TDIR_TO_DEV;
5759                         sectors_out = ((dxfer_len >> 9) & 0xffff);
5760                 }
5761                 auxiliary = 0;
5762         } else {
5763                 ata_flags = AP_FLAG_BYT_BLOK_BLOCKS;
5764                 if (dxfer_len == 0) {
5765                         command_out = ATA_NCQ_NON_DATA;
5766                         features_out = ATA_NCQ_ZAC_MGMT_OUT;
5767                         /*
5768                          * We're assuming the SCSI to ATA translation layer
5769                          * will set the NCQ tag number in the tag field.
5770                          * That isn't clear from the SAT-4 spec (as of rev 05).
5771                          */
5772                         sectors_out = 0;
5773                         ata_flags |= AP_FLAG_TLEN_NO_DATA;
5774                 } else {
5775                         command_out = ATA_SEND_FPDMA_QUEUED;
5776                         /*
5777                          * Note that we're defaulting to normal priority,
5778                          * and assuming that the SCSI to ATA translation
5779                          * layer will insert the NCQ tag number in the tag
5780                          * field.  That isn't clear in the SAT-4 spec (as
5781                          * of rev 05).
5782                          */
5783                         sectors_out = ATA_SFPDMA_ZAC_MGMT_OUT << 8;
5784
5785                         ata_flags |= AP_FLAG_TLEN_FEAT |
5786                                      AP_FLAG_TDIR_TO_DEV;
5787
5788                         /*
5789                          * For SEND FPDMA QUEUED, the transfer length is
5790                          * encoded in the FEATURE register, and 0 means
5791                          * that 65536 512 byte blocks are to be tranferred.
5792                          * In practice, it seems unlikely that we'll see
5793                          * a transfer that large, and it may confuse the
5794                          * the SAT layer, because generally that means that
5795                          * 0 bytes should be transferred.
5796                          */
5797                         if (dxfer_len == (65536 * 512)) {
5798                                 features_out = 0;
5799                         } else if (dxfer_len <= (65535 * 512)) {
5800                                 features_out = ((dxfer_len >> 9) & 0xffff);
5801                         } else {
5802                                 /* The transfer is too big. */
5803                                 retval = 1;
5804                                 goto bailout;
5805                         }
5806
5807                 }
5808
5809                 auxiliary = (zm_action & 0xf) | (zone_flags << 8);
5810                 protocol = AP_PROTO_FPDMA;
5811         }
5812
5813         protocol |= AP_EXTEND;
5814
5815         retval = scsi_ata_pass(csio,
5816             retries,
5817             cbfcnp,
5818             /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
5819             tag_action,
5820             /*protocol*/ protocol,
5821             /*ata_flags*/ ata_flags,
5822             /*features*/ features_out,
5823             /*sector_count*/ sectors_out,
5824             /*lba*/ zone_id,
5825             /*command*/ command_out,
5826             /*device*/ 0,
5827             /*icc*/ 0,
5828             /*auxiliary*/ auxiliary,
5829             /*control*/ 0,
5830             /*data_ptr*/ data_ptr,
5831             /*dxfer_len*/ dxfer_len,
5832             /*cdb_storage*/ cdb_storage,
5833             /*cdb_storage_len*/ cdb_storage_len,
5834             /*minimum_cmd_size*/ 0,
5835             /*sense_len*/ SSD_FULL_SIZE,
5836             /*timeout*/ timeout);
5837
5838 bailout:
5839
5840         return (retval);
5841 }
5842
5843 int
5844 scsi_ata_zac_mgmt_in(struct ccb_scsiio *csio, uint32_t retries, 
5845                      void (*cbfcnp)(struct cam_periph *, union ccb *),
5846                      uint8_t tag_action, int use_ncq,
5847                      uint8_t zm_action, uint64_t zone_id, uint8_t zone_flags,
5848                      uint8_t *data_ptr, uint32_t dxfer_len,
5849                      uint8_t *cdb_storage, size_t cdb_storage_len,
5850                      uint8_t sense_len, uint32_t timeout)
5851 {
5852         uint8_t command_out, protocol;
5853         uint16_t features_out, sectors_out;
5854         uint32_t auxiliary;
5855         int ata_flags;
5856         int retval;
5857
5858         retval = 0;
5859         ata_flags = AP_FLAG_TDIR_FROM_DEV | AP_FLAG_BYT_BLOK_BLOCKS;
5860
5861         if (use_ncq == 0) {
5862                 command_out = ATA_ZAC_MANAGEMENT_IN;
5863                 /* XXX KDM put a macro here */
5864                 features_out = (zm_action & 0xf) | (zone_flags << 8);
5865                 sectors_out = dxfer_len >> 9; /* XXX KDM macro */
5866                 protocol = AP_PROTO_DMA;
5867                 ata_flags |= AP_FLAG_TLEN_SECT_CNT;
5868                 auxiliary = 0;
5869         } else {
5870                 ata_flags |= AP_FLAG_TLEN_FEAT;
5871
5872                 command_out = ATA_RECV_FPDMA_QUEUED;
5873                 sectors_out = ATA_RFPDMA_ZAC_MGMT_IN << 8;
5874
5875                 /*
5876                  * For RECEIVE FPDMA QUEUED, the transfer length is
5877                  * encoded in the FEATURE register, and 0 means
5878                  * that 65536 512 byte blocks are to be tranferred.
5879                  * In practice, it seems unlikely that we'll see
5880                  * a transfer that large, and it may confuse the
5881                  * the SAT layer, because generally that means that
5882                  * 0 bytes should be transferred.
5883                  */
5884                 if (dxfer_len == (65536 * 512)) {
5885                         features_out = 0;
5886                 } else if (dxfer_len <= (65535 * 512)) {
5887                         features_out = ((dxfer_len >> 9) & 0xffff);
5888                 } else {
5889                         /* The transfer is too big. */
5890                         retval = 1;
5891                         goto bailout;
5892                 }
5893                 auxiliary = (zm_action & 0xf) | (zone_flags << 8),
5894                 protocol = AP_PROTO_FPDMA;
5895         }
5896
5897         protocol |= AP_EXTEND;
5898
5899         retval = scsi_ata_pass(csio,
5900             retries,
5901             cbfcnp,
5902             /*flags*/ CAM_DIR_IN,
5903             tag_action,
5904             /*protocol*/ protocol,
5905             /*ata_flags*/ ata_flags,
5906             /*features*/ features_out,
5907             /*sector_count*/ sectors_out,
5908             /*lba*/ zone_id,
5909             /*command*/ command_out,
5910             /*device*/ 0,
5911             /*icc*/ 0,
5912             /*auxiliary*/ auxiliary,
5913             /*control*/ 0,
5914             /*data_ptr*/ data_ptr,
5915             /*dxfer_len*/ (dxfer_len >> 9) * 512, /* XXX KDM */
5916             /*cdb_storage*/ cdb_storage,
5917             /*cdb_storage_len*/ cdb_storage_len,
5918             /*minimum_cmd_size*/ 0,
5919             /*sense_len*/ SSD_FULL_SIZE,
5920             /*timeout*/ timeout);
5921
5922 bailout:
5923         return (retval);
5924 }