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8649 SD_RESET_THROTTLE_TIMEOUT is defined twice
Reviewed by: Yuri Pankov <yuripv@gmx.com>
Reviewed by: Robert Mustacchi <rm@joyent.com>
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--- old/usr/src/uts/common/sys/scsi/targets/sddef.h
+++ new/usr/src/uts/common/sys/scsi/targets/sddef.h
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21 /*
22 22 * Copyright (c) 1990, 2010, Oracle and/or its affiliates. All rights reserved.
23 23 */
24 24 /*
25 25 * Copyright 2011 cyril.galibern@opensvc.com
26 26 * Copyright 2015 Nexenta Systems, Inc. All rights reserved.
27 27 */
28 28
29 29 #ifndef _SYS_SCSI_TARGETS_SDDEF_H
30 30 #define _SYS_SCSI_TARGETS_SDDEF_H
31 31
32 32 #include <sys/dktp/fdisk.h>
33 33 #include <sys/note.h>
34 34 #include <sys/mhd.h>
35 35 #include <sys/cmlb.h>
36 36
37 37 #ifdef __cplusplus
38 38 extern "C" {
39 39 #endif
40 40
41 41
42 42 #if defined(_KERNEL) || defined(_KMEMUSER)
43 43
44 44
45 45 #define SD_SUCCESS 0
46 46 #define SD_FAILURE (-1)
47 47
48 48 #if defined(TRUE)
49 49 #undef TRUE
50 50 #endif
51 51
52 52 #if defined(FALSE)
53 53 #undef FALSE
54 54 #endif
55 55
56 56 #define TRUE 1
57 57 #define FALSE 0
58 58
59 59 #if defined(VERBOSE)
60 60 #undef VERBOSE
61 61 #endif
62 62
63 63 #if defined(SILENT)
64 64 #undef SILENT
65 65 #endif
66 66
67 67
68 68 /*
69 69 * Fault Injection Flag for Inclusion of Code
70 70 *
71 71 * This should only be defined when SDDEBUG is defined
72 72 * #if DEBUG || lint
73 73 * #define SD_FAULT_INJECTION
74 74 * #endif
75 75 */
76 76
77 77 #if DEBUG || lint
78 78 #define SD_FAULT_INJECTION
79 79 #endif
80 80 #define VERBOSE 1
81 81 #define SILENT 0
82 82
83 83 /*
84 84 * Structures for recording whether a device is fully open or closed.
85 85 * Assumptions:
86 86 *
87 87 * + There are only 8 (sparc) or 16 (x86) disk slices possible.
88 88 * + BLK, MNT, CHR, SWP don't change in some future release!
89 89 */
90 90
91 91 #if defined(_SUNOS_VTOC_8)
92 92
93 93 #define SDUNIT_SHIFT 3
94 94 #define SDPART_MASK 7
95 95 #define NSDMAP NDKMAP
96 96
97 97 #elif defined(_SUNOS_VTOC_16)
98 98
99 99 /*
100 100 * XXX - NSDMAP has multiple definitions, one more in cmlb_impl.h
101 101 * If they are coalesced into one, this definition will follow suit.
102 102 * FDISK partitions - 4 primary and MAX_EXT_PARTS number of Extended
103 103 * Partitions.
104 104 */
105 105 #define FDISK_PARTS (FD_NUMPART + MAX_EXT_PARTS)
106 106
107 107 #define SDUNIT_SHIFT 6
108 108 #define SDPART_MASK 63
109 109 #define NSDMAP (NDKMAP + FDISK_PARTS + 1)
110 110
111 111 #else
112 112 #error "No VTOC format defined."
113 113 #endif
114 114
115 115
116 116 #define SDUNIT(dev) (getminor((dev)) >> SDUNIT_SHIFT)
117 117 #define SDPART(dev) (getminor((dev)) & SDPART_MASK)
118 118
119 119 /*
120 120 * maximum number of partitions the driver keeps track of; with
121 121 * EFI this can be larger than the number of partitions accessible
122 122 * through the minor nodes. It won't be used for keeping track
123 123 * of open counts, partition kstats, etc.
124 124 */
125 125 #define MAXPART (NSDMAP + 1)
126 126
127 127 /*
128 128 * Macro to retrieve the DDI instance number from the given buf struct.
129 129 * The instance number is encoded in the minor device number.
130 130 */
131 131 #define SD_GET_INSTANCE_FROM_BUF(bp) \
132 132 (getminor((bp)->b_edev) >> SDUNIT_SHIFT)
133 133
134 134
135 135
136 136 struct ocinfo {
137 137 /*
138 138 * Types BLK, MNT, CHR, SWP,
139 139 * assumed to be types 0-3.
140 140 */
141 141 uint64_t lyr_open[NSDMAP];
142 142 uint64_t reg_open[OTYPCNT - 1];
143 143 };
144 144
145 145 #define OCSIZE sizeof (struct ocinfo)
146 146
147 147 union ocmap {
148 148 uchar_t chkd[OCSIZE];
149 149 struct ocinfo rinfo;
150 150 };
151 151
152 152 #define lyropen rinfo.lyr_open
153 153 #define regopen rinfo.reg_open
154 154
155 155
156 156 #define SD_CDB_GROUP0 0
157 157 #define SD_CDB_GROUP1 1
158 158 #define SD_CDB_GROUP5 2
159 159 #define SD_CDB_GROUP4 3
160 160
161 161 struct sd_cdbinfo {
162 162 uchar_t sc_grpcode; /* CDB group code */
163 163 uchar_t sc_grpmask; /* CDB group code mask (for cmd opcode) */
164 164 uint64_t sc_maxlba; /* Maximum logical block addr. supported */
165 165 uint32_t sc_maxlen; /* Maximum transfer length supported */
166 166 };
167 167
168 168
169 169
170 170 /*
171 171 * The following declaration are for Non-512 byte block support for the
172 172 * removable devices. (ex - DVD RAM, MO).
173 173 * wm_state: This is an enumeration for the different states for
174 174 * manipalating write range list during the read-modify-write-operation.
175 175 */
176 176 typedef enum {
177 177 SD_WM_CHK_LIST, /* Check list for overlapping writes */
178 178 SD_WM_WAIT_MAP, /* Wait for an overlapping I/O to complete */
179 179 SD_WM_LOCK_RANGE, /* Lock the range of lba to be written */
180 180 SD_WM_DONE /* I/O complete */
181 181 } wm_state;
182 182
183 183 /*
184 184 * sd_w_map: Every write I/O will get one w_map allocated for it which will tell
185 185 * the range on the media which is being written for that request.
186 186 */
187 187 struct sd_w_map {
188 188 uint_t wm_start; /* Write start location */
189 189 uint_t wm_end; /* Write end location */
190 190 ushort_t wm_flags; /* State of the wmap */
191 191 ushort_t wm_wanted_count; /* # of threads waiting for region */
192 192 void *wm_private; /* Used to store bp->b_private */
193 193 struct buf *wm_bufp; /* to store buf pointer */
194 194 struct sd_w_map *wm_next; /* Forward pointed to sd_w_map */
195 195 struct sd_w_map *wm_prev; /* Back pointer to sd_w_map */
196 196 kcondvar_t wm_avail; /* Sleep on this, while not available */
197 197 };
198 198
199 199 _NOTE(MUTEX_PROTECTS_DATA(scsi_device::sd_mutex, sd_w_map::wm_flags))
200 200
201 201
202 202 /*
203 203 * This is the struct for the layer-private data area for the
204 204 * mapblocksize layer.
205 205 */
206 206
207 207 struct sd_mapblocksize_info {
208 208 void *mbs_oprivate; /* saved value of xb_private */
209 209 struct buf *mbs_orig_bp; /* ptr to original bp */
210 210 struct sd_w_map *mbs_wmp; /* ptr to write-map struct for RMW */
211 211 ssize_t mbs_copy_offset;
212 212 int mbs_layer_index; /* chain index for RMW */
213 213 };
214 214
215 215 _NOTE(SCHEME_PROTECTS_DATA("unshared data", sd_mapblocksize_info))
216 216
217 217
218 218 /*
219 219 * sd_lun: The main data structure for a scsi logical unit.
220 220 * Stored as the softstate structure for each device.
221 221 */
222 222
223 223 struct sd_lun {
224 224
225 225 /* Back ptr to the SCSA scsi_device struct for this LUN */
226 226 struct scsi_device *un_sd;
227 227
228 228 /*
229 229 * Support for Auto-Request sense capability
230 230 */
231 231 struct buf *un_rqs_bp; /* ptr to request sense bp */
232 232 struct scsi_pkt *un_rqs_pktp; /* ptr to request sense scsi_pkt */
233 233 int un_sense_isbusy; /* Busy flag for RQS buf */
234 234
235 235 /*
236 236 * These specify the layering chains to use with this instance. These
237 237 * are initialized according to the values in the sd_chain_index_map[]
238 238 * array. See the description of sd_chain_index_map[] for details.
239 239 */
240 240 int un_buf_chain_type;
241 241 int un_uscsi_chain_type;
242 242 int un_direct_chain_type;
243 243 int un_priority_chain_type;
244 244
245 245 /* Head & tail ptrs to the queue of bufs awaiting transport */
246 246 struct buf *un_waitq_headp;
247 247 struct buf *un_waitq_tailp;
248 248
249 249 /* Ptr to the buf currently being retried (NULL if none) */
250 250 struct buf *un_retry_bp;
251 251
252 252 /* This tracks the last kstat update for the un_retry_bp buf */
253 253 void (*un_retry_statp)(kstat_io_t *);
254 254
255 255 void *un_xbuf_attr; /* xbuf attribute struct */
256 256
257 257
258 258 /* System logical block size, in bytes. (defaults to DEV_BSIZE.) */
259 259 uint32_t un_sys_blocksize;
260 260
261 261 /* The size of a logical block on the target, in bytes. */
262 262 uint32_t un_tgt_blocksize;
263 263
264 264 /* The size of a physical block on the target, in bytes. */
265 265 uint32_t un_phy_blocksize;
266 266
267 267 /*
268 268 * The number of logical blocks on the target. This is adjusted
269 269 * to be in terms of the block size specified by un_sys_blocksize
270 270 * (ie, the system block size).
271 271 */
272 272 uint64_t un_blockcount;
273 273
274 274 /*
275 275 * Various configuration data
276 276 */
277 277 uchar_t un_ctype; /* Controller type */
278 278 char *un_node_type; /* minor node type */
279 279 uchar_t un_interconnect_type; /* Interconnect for underlying HBA */
280 280
281 281 uint_t un_notready_retry_count; /* Per disk notready retry count */
282 282 uint_t un_busy_retry_count; /* Per disk BUSY retry count */
283 283
284 284 uint_t un_retry_count; /* Per disk retry count */
285 285 uint_t un_victim_retry_count; /* Per disk victim retry count */
286 286
287 287 /* (4356701, 4367306) */
288 288 uint_t un_reset_retry_count; /* max io retries before issuing reset */
289 289 ushort_t un_reserve_release_time; /* reservation release timeout */
290 290
291 291 uchar_t un_reservation_type; /* SCSI-3 or SCSI-2 */
292 292 uint_t un_max_xfer_size; /* Maximum DMA transfer size */
293 293 int un_partial_dma_supported;
294 294 int un_buf_breakup_supported;
295 295
296 296 int un_mincdb; /* Smallest CDB to use */
297 297 int un_maxcdb; /* Largest CDB to use */
298 298 int un_max_hba_cdb; /* Largest CDB supported by HBA */
299 299 int un_status_len;
300 300 int un_pkt_flags;
301 301
302 302 /*
303 303 * Note: un_uscsi_timeout is a "mirror" of un_cmd_timeout, adjusted
304 304 * for ISCD(). Any updates to un_cmd_timeout MUST be reflected
305 305 * in un_uscsi_timeout as well!
306 306 */
307 307 ushort_t un_cmd_timeout; /* Timeout for completion */
308 308 ushort_t un_uscsi_timeout; /* Timeout for USCSI completion */
309 309 ushort_t un_busy_timeout; /* Timeout for busy retry */
310 310
311 311 /*
312 312 * Info on current states, statuses, etc. (Updated frequently)
313 313 */
314 314 uchar_t un_state; /* current state */
315 315 uchar_t un_last_state; /* last state */
316 316 uchar_t un_last_pkt_reason; /* used to suppress multiple msgs */
317 317 int un_tagflags; /* Pkt Flags for Tagged Queueing */
318 318 short un_resvd_status; /* Reservation Status */
319 319 ulong_t un_detach_count; /* !0 if executing detach routine */
320 320 ulong_t un_layer_count; /* Current total # of layered opens */
321 321 ulong_t un_opens_in_progress; /* Current # of threads in sdopen */
322 322
323 323 ksema_t un_semoclose; /* serialize opens/closes */
324 324
325 325 /*
326 326 * Control & status info for command throttling
327 327 */
328 328 long un_ncmds_in_driver; /* number of cmds in driver */
329 329 short un_ncmds_in_transport; /* number of cmds in transport */
330 330 short un_throttle; /* max #cmds allowed in transport */
331 331 short un_saved_throttle; /* saved value of un_throttle */
332 332 short un_busy_throttle; /* saved un_throttle for BUSY */
333 333 short un_min_throttle; /* min value of un_throttle */
334 334 timeout_id_t un_reset_throttle_timeid; /* timeout(9F) handle */
335 335
336 336 /*
337 337 * Multi-host (clustering) support
338 338 */
339 339 opaque_t un_mhd_token; /* scsi watch request */
340 340 timeout_id_t un_resvd_timeid; /* for resvd recover */
341 341
342 342 /* Event callback resources (photon) */
343 343 ddi_eventcookie_t un_insert_event; /* insert event */
344 344 ddi_callback_id_t un_insert_cb_id; /* insert callback */
345 345 ddi_eventcookie_t un_remove_event; /* remove event */
346 346 ddi_callback_id_t un_remove_cb_id; /* remove callback */
347 347
348 348 uint_t un_start_stop_cycle_page; /* Saves start/stop */
349 349 /* cycle page */
350 350 timeout_id_t un_dcvb_timeid; /* dlyd cv broadcast */
351 351
352 352 /*
353 353 * Data structures for open counts, partition info, VTOC,
354 354 * stats, and other such bookkeeping info.
355 355 */
356 356 union ocmap un_ocmap; /* open partition map */
357 357 struct kstat *un_pstats[NSDMAP]; /* partition statistics */
358 358 struct kstat *un_stats; /* disk statistics */
359 359 kstat_t *un_errstats; /* for error statistics */
360 360 uint64_t un_exclopen; /* exclusive open bitmask */
361 361 ddi_devid_t un_devid; /* device id */
362 362 uint_t un_vpd_page_mask; /* Supported VPD pages */
363 363
364 364 /*
365 365 * Bit fields for various configuration/state/status info.
366 366 * Comments indicate the condition if the value of the
367 367 * variable is TRUE (nonzero).
368 368 */
369 369 uint32_t
370 370 un_f_arq_enabled :1, /* Auto request sense is */
371 371 /* currently enabled */
372 372 un_f_blockcount_is_valid :1, /* The un_blockcount */
373 373 /* value is currently valid */
374 374 un_f_tgt_blocksize_is_valid :1, /* The un_tgt_blocksize */
375 375 /* value is currently valid */
376 376 un_f_allow_bus_device_reset :1, /* Driver may issue a BDR as */
377 377 /* a part of error recovery. */
378 378 un_f_is_fibre :1, /* The device supports fibre */
379 379 /* channel */
380 380 un_f_sync_cache_supported :1, /* sync cache cmd supported */
381 381 /* supported */
382 382 un_f_format_in_progress :1, /* The device is currently */
383 383 /* executing a FORMAT cmd. */
384 384 un_f_opt_queueing :1, /* Enable Command Queuing to */
385 385 /* Host Adapter */
386 386 un_f_opt_fab_devid :1, /* Disk has no valid/unique */
387 387 /* serial number. */
388 388 un_f_opt_disable_cache :1, /* Read/Write disk cache is */
389 389 /* disabled. */
390 390 un_f_cfg_is_atapi :1, /* This is an ATAPI device. */
391 391 un_f_write_cache_enabled :1, /* device return success on */
392 392 /* writes before transfer to */
393 393 /* physical media complete */
394 394 un_f_cfg_playmsf_bcd :1, /* Play Audio, BCD params. */
395 395 un_f_cfg_readsub_bcd :1, /* READ SUBCHANNEL BCD resp. */
396 396 un_f_cfg_read_toc_trk_bcd :1, /* track # is BCD */
397 397 un_f_cfg_read_toc_addr_bcd :1, /* address is BCD */
398 398 un_f_cfg_no_read_header :1, /* READ HEADER not supported */
399 399 un_f_cfg_read_cd_xd4 :1, /* READ CD opcode is 0xd4 */
400 400 un_f_mmc_cap :1, /* Device is MMC compliant */
401 401 un_f_mmc_writable_media :1, /* writable media in device */
402 402 un_f_dvdram_writable_device :1, /* DVDRAM device is writable */
403 403 un_f_cfg_cdda :1, /* READ CDDA supported */
404 404 un_f_cfg_tur_check :1, /* verify un_ncmds before tur */
405 405
406 406 un_f_use_adaptive_throttle :1, /* enable/disable adaptive */
407 407 /* throttling */
408 408 un_f_pm_is_enabled :1, /* PM is enabled on this */
409 409 /* instance */
410 410 un_f_watcht_stopped :1, /* media watch thread flag */
411 411 un_f_pkstats_enabled :1, /* Flag to determine if */
412 412 /* partition kstats are */
413 413 /* enabled. */
414 414 un_f_disksort_disabled :1, /* Flag to disable disksort */
415 415 un_f_lun_reset_enabled :1, /* Set if target supports */
416 416 /* SCSI Logical Unit Reset */
417 417 un_f_doorlock_supported :1, /* Device supports Doorlock */
418 418 un_f_start_stop_supported :1, /* device has motor */
419 419 un_f_reserved1 :1;
420 420
421 421 uint32_t
422 422 un_f_mboot_supported :1, /* mboot supported */
423 423 un_f_is_hotpluggable :1, /* hotpluggable */
424 424 un_f_has_removable_media :1, /* has removable media */
425 425 un_f_non_devbsize_supported :1, /* non-512 blocksize */
426 426 un_f_devid_supported :1, /* device ID supported */
427 427 un_f_eject_media_supported :1, /* media can be ejected */
428 428 un_f_chk_wp_open :1, /* check if write-protected */
429 429 /* when being opened */
430 430 un_f_descr_format_supported :1, /* support descriptor format */
431 431 /* for sense data */
432 432 un_f_check_start_stop :1, /* needs to check if */
433 433 /* START-STOP command is */
434 434 /* supported by hardware */
435 435 /* before issuing it */
436 436 un_f_monitor_media_state :1, /* need a watch thread to */
437 437 /* monitor device state */
438 438 un_f_attach_spinup :1, /* spin up once the */
439 439 /* device is attached */
440 440 un_f_log_sense_supported :1, /* support log sense */
441 441 un_f_pm_supported :1, /* support power-management */
442 442 un_f_cfg_is_lsi :1, /* Is LSI device, */
443 443 /* default to NO */
444 444 un_f_wcc_inprog :1, /* write cache change in */
445 445 /* progress */
446 446 un_f_ejecting :1, /* media is ejecting */
447 447 un_f_suppress_cache_flush :1, /* supress flush on */
448 448 /* write cache */
449 449 un_f_sync_nv_supported :1, /* SYNC_NV */
450 450 /* bit is supported */
451 451 un_f_sync_cache_required :1, /* flag to check if */
452 452 /* SYNC CACHE needs to be */
453 453 /* sent in sdclose */
454 454 un_f_devid_transport_defined :1, /* devid defined by transport */
455 455 un_f_rmw_type :2, /* RMW type */
456 456 un_f_power_condition_disabled :1, /* power condition disabled */
457 457 /* through sd configuration */
458 458 un_f_power_condition_supported :1, /* support power condition */
459 459 /* field by hardware */
460 460 un_f_pm_log_sense_smart :1, /* log sense support SMART */
461 461 /* feature attribute */
462 462 un_f_is_solid_state :1, /* has solid state media */
463 463 un_f_is_rotational :1, /* spinning rust */
464 464 un_f_mmc_gesn_polling :1, /* use GET EVENT STATUS */
465 465 /* NOTIFICATION for polling */
466 466 un_f_enable_rmw :1, /* Force RMW in sd driver */
467 467 un_f_expnevent :1,
468 468 un_f_cache_mode_changeable :1, /* can change cache mode */
469 469 un_f_reserved :1;
470 470
471 471 /* Ptr to table of strings for ASC/ASCQ error message printing */
472 472 struct scsi_asq_key_strings *un_additional_codes;
473 473
474 474 /*
475 475 * Power Management support.
476 476 *
477 477 * un_pm_mutex protects, un_pm_count, un_pm_timeid, un_pm_busy,
478 478 * un_pm_busy_cv, and un_pm_idle_timeid.
479 479 * It's not required that SD_MUTEX be acquired before acquiring
480 480 * un_pm_mutex, however if they must both be held
481 481 * then acquire SD_MUTEX first.
482 482 *
483 483 * un_pm_count is used to indicate PM state as follows:
484 484 * less than 0 the device is powered down,
485 485 * transition from 0 ==> 1, mark the device as busy via DDI
486 486 * transition from 1 ==> 0, mark the device as idle via DDI
487 487 */
488 488 kmutex_t un_pm_mutex;
489 489 int un_pm_count; /* indicates pm state */
490 490 timeout_id_t un_pm_timeid; /* timeout id for pm */
491 491 uint_t un_pm_busy;
492 492 kcondvar_t un_pm_busy_cv;
493 493 short un_power_level; /* Power Level */
494 494 uchar_t un_save_state;
495 495 kcondvar_t un_suspend_cv; /* power management */
496 496 kcondvar_t un_disk_busy_cv; /* wait for IO completion */
497 497
498 498 /* Resources used for media change callback support */
499 499 kcondvar_t un_state_cv; /* Cond Var on mediastate */
500 500 enum dkio_state un_mediastate; /* current media state */
501 501 enum dkio_state un_specified_mediastate; /* expected state */
502 502 opaque_t un_swr_token; /* scsi_watch request token */
503 503
504 504 /* Non-512 byte block support */
505 505 struct kmem_cache *un_wm_cache; /* fast alloc in non-512 write case */
506 506 uint_t un_rmw_count; /* count of read-modify-writes */
507 507 struct sd_w_map *un_wm; /* head of sd_w_map chain */
508 508 uint64_t un_rmw_incre_count; /* count I/O */
509 509 timeout_id_t un_rmw_msg_timeid; /* for RMW message control */
510 510
511 511 /* For timeout callback to issue a START STOP UNIT command */
512 512 timeout_id_t un_startstop_timeid;
513 513
514 514 /* Timeout callback handle for SD_PATH_DIRECT_PRIORITY cmd restarts */
515 515 timeout_id_t un_direct_priority_timeid;
516 516
517 517 /* TRAN_FATAL_ERROR count. Cleared by TRAN_ACCEPT from scsi_transport */
518 518 ulong_t un_tran_fatal_count;
519 519
520 520 timeout_id_t un_retry_timeid;
521 521
522 522 hrtime_t un_pm_idle_time;
523 523 timeout_id_t un_pm_idle_timeid;
524 524
525 525 /*
526 526 * Count to determine if a Sonoma controller is in the process of
527 527 * failing over, and how many I/O's are failed with the 05/94/01
528 528 * sense code.
529 529 */
530 530 uint_t un_sonoma_failure_count;
531 531
532 532 /*
533 533 * Support for failfast operation.
534 534 */
535 535 struct buf *un_failfast_bp;
536 536 struct buf *un_failfast_headp;
537 537 struct buf *un_failfast_tailp;
538 538 uint32_t un_failfast_state;
539 539 /* Callback routine active counter */
540 540 short un_in_callback;
541 541
542 542 kcondvar_t un_wcc_cv; /* synchronize changes to */
543 543 /* un_f_write_cache_enabled */
544 544
545 545 #ifdef SD_FAULT_INJECTION
546 546 /* SD Fault Injection */
547 547 #define SD_FI_MAX_BUF 65536
548 548 #define SD_FI_MAX_ERROR 1024
549 549 kmutex_t un_fi_mutex;
550 550 uint_t sd_fi_buf_len;
551 551 char sd_fi_log[SD_FI_MAX_BUF];
552 552 struct sd_fi_pkt *sd_fi_fifo_pkt[SD_FI_MAX_ERROR];
553 553 struct sd_fi_xb *sd_fi_fifo_xb[SD_FI_MAX_ERROR];
554 554 struct sd_fi_un *sd_fi_fifo_un[SD_FI_MAX_ERROR];
555 555 struct sd_fi_arq *sd_fi_fifo_arq[SD_FI_MAX_ERROR];
556 556 uint_t sd_fi_fifo_start;
557 557 uint_t sd_fi_fifo_end;
558 558 uint_t sd_injection_mask;
559 559
560 560 #endif
561 561
562 562 cmlb_handle_t un_cmlbhandle;
563 563
564 564 /*
565 565 * Pointer to internal struct sd_fm_internal in which
566 566 * will pass necessary information for FMA ereport posting.
567 567 */
568 568 void *un_fm_private;
569 569 };
570 570
571 571 #define SD_IS_VALID_LABEL(un) (cmlb_is_valid(un->un_cmlbhandle))
572 572
573 573 /*
574 574 * Macros for conversions between "target" and "system" block sizes, and
575 575 * for conversion between block counts and byte counts. As used here,
576 576 * "system" block size refers to the block size used by the kernel/
577 577 * filesystem (this includes the disk label). The "target" block size
578 578 * is the block size returned by the SCSI READ CAPACITY command.
579 579 *
580 580 * Note: These macros will round up to the next largest blocksize to accomodate
581 581 * the number of blocks specified.
582 582 */
583 583
584 584 /* Convert a byte count to a number of target blocks */
585 585 #define SD_BYTES2TGTBLOCKS(un, bytecount) \
586 586 ((bytecount + (un->un_tgt_blocksize - 1))/un->un_tgt_blocksize)
587 587
588 588 /* Convert a byte count to a number of physical blocks */
589 589 #define SD_BYTES2PHYBLOCKS(un, bytecount) \
590 590 ((bytecount + (un->un_phy_blocksize - 1))/un->un_phy_blocksize)
591 591
592 592 /* Convert a target block count to a number of bytes */
593 593 #define SD_TGTBLOCKS2BYTES(un, blockcount) \
594 594 (blockcount * (un)->un_tgt_blocksize)
595 595
596 596 /* Convert a byte count to a number of system blocks */
597 597 #define SD_BYTES2SYSBLOCKS(bytecount) \
598 598 ((bytecount + (DEV_BSIZE - 1))/DEV_BSIZE)
599 599
600 600 /* Convert a system block count to a number of bytes */
601 601 #define SD_SYSBLOCKS2BYTES(blockcount) \
602 602 (blockcount * DEV_BSIZE)
603 603
604 604 /*
605 605 * Calculate the number of bytes needed to hold the requested number of bytes
606 606 * based upon the native target sector/block size
607 607 */
608 608 #define SD_REQBYTES2TGTBYTES(un, bytecount) \
609 609 (SD_BYTES2TGTBLOCKS(un, bytecount) * (un)->un_tgt_blocksize)
610 610
611 611 /*
612 612 * Calculate the byte offset from the beginning of the target block
613 613 * to the system block location.
614 614 */
615 615 #define SD_TGTBYTEOFFSET(un, sysblk, tgtblk) \
616 616 (SD_SYSBLOCKS2BYTES(sysblk) - SD_TGTBLOCKS2BYTES(un, tgtblk))
617 617
618 618 /*
619 619 * Calculate the target block location from the system block location
620 620 */
621 621 #define SD_SYS2TGTBLOCK(un, blockcnt) \
622 622 (blockcnt / ((un)->un_tgt_blocksize / DEV_BSIZE))
623 623
624 624 /*
625 625 * Calculate the target block location from the system block location
626 626 */
627 627 #define SD_TGT2SYSBLOCK(un, blockcnt) \
628 628 (blockcnt * ((un)->un_tgt_blocksize / DEV_BSIZE))
629 629
630 630 /*
631 631 * SD_DEFAULT_MAX_XFER_SIZE is the default value to bound the max xfer
632 632 * for physio, for devices without tagged queuing enabled.
633 633 * The default for devices with tagged queuing enabled is SD_MAX_XFER_SIZE
634 634 */
635 635 #if defined(__i386) || defined(__amd64)
636 636 #define SD_DEFAULT_MAX_XFER_SIZE (256 * 1024)
637 637 #endif
638 638 #define SD_MAX_XFER_SIZE (1024 * 1024)
639 639
640 640 /*
641 641 * Warlock annotations
642 642 */
643 643 _NOTE(MUTEX_PROTECTS_DATA(scsi_device::sd_mutex, sd_lun))
644 644 _NOTE(READ_ONLY_DATA(sd_lun::un_sd))
645 645 _NOTE(DATA_READABLE_WITHOUT_LOCK(sd_lun::un_reservation_type))
646 646 _NOTE(DATA_READABLE_WITHOUT_LOCK(sd_lun::un_mincdb))
647 647 _NOTE(DATA_READABLE_WITHOUT_LOCK(sd_lun::un_maxcdb))
648 648 _NOTE(DATA_READABLE_WITHOUT_LOCK(sd_lun::un_max_hba_cdb))
649 649 _NOTE(DATA_READABLE_WITHOUT_LOCK(sd_lun::un_status_len))
650 650 _NOTE(DATA_READABLE_WITHOUT_LOCK(sd_lun::un_f_arq_enabled))
651 651 _NOTE(DATA_READABLE_WITHOUT_LOCK(sd_lun::un_ctype))
652 652 _NOTE(DATA_READABLE_WITHOUT_LOCK(sd_lun::un_cmlbhandle))
653 653 _NOTE(DATA_READABLE_WITHOUT_LOCK(sd_lun::un_fm_private))
654 654
655 655
656 656 _NOTE(SCHEME_PROTECTS_DATA("safe sharing",
657 657 sd_lun::un_mhd_token
658 658 sd_lun::un_state
659 659 sd_lun::un_tagflags
660 660 sd_lun::un_f_format_in_progress
661 661 sd_lun::un_resvd_timeid
662 662 sd_lun::un_reset_throttle_timeid
663 663 sd_lun::un_startstop_timeid
664 664 sd_lun::un_dcvb_timeid
665 665 sd_lun::un_f_allow_bus_device_reset
666 666 sd_lun::un_sys_blocksize
667 667 sd_lun::un_tgt_blocksize
668 668 sd_lun::un_phy_blocksize
669 669 sd_lun::un_additional_codes))
670 670
671 671 _NOTE(SCHEME_PROTECTS_DATA("stable data",
672 672 sd_lun::un_reserve_release_time
673 673 sd_lun::un_max_xfer_size
674 674 sd_lun::un_partial_dma_supported
675 675 sd_lun::un_buf_breakup_supported
676 676 sd_lun::un_f_is_fibre
677 677 sd_lun::un_node_type
678 678 sd_lun::un_buf_chain_type
679 679 sd_lun::un_uscsi_chain_type
680 680 sd_lun::un_direct_chain_type
681 681 sd_lun::un_priority_chain_type
682 682 sd_lun::un_xbuf_attr
683 683 sd_lun::un_cmd_timeout
684 684 sd_lun::un_pkt_flags))
685 685
686 686 _NOTE(SCHEME_PROTECTS_DATA("Unshared data",
687 687 block_descriptor
688 688 buf
689 689 cdrom_subchnl
690 690 cdrom_tocentry
691 691 cdrom_tochdr
692 692 cdrom_read
693 693 dk_cinfo
694 694 dk_devid
695 695 dk_label
696 696 dk_map
697 697 dk_temperature
698 698 mhioc_inkeys
699 699 mhioc_inresvs
700 700 mode_caching
701 701 mode_header
702 702 mode_speed
703 703 scsi_cdb
704 704 scsi_arq_status
705 705 scsi_extended_sense
706 706 scsi_inquiry
707 707 scsi_pkt
708 708 uio
709 709 uscsi_cmd))
710 710
711 711
712 712 _NOTE(SCHEME_PROTECTS_DATA("stable data", scsi_device dk_cinfo))
713 713 _NOTE(SCHEME_PROTECTS_DATA("unique per pkt", scsi_status scsi_cdb))
714 714
715 715 _NOTE(MUTEX_PROTECTS_DATA(sd_lun::un_pm_mutex, sd_lun::un_pm_count
716 716 sd_lun::un_pm_timeid sd_lun::un_pm_busy sd_lun::un_pm_busy_cv
717 717 sd_lun::un_pm_idle_timeid))
718 718
719 719 #ifdef SD_FAULT_INJECTION
720 720 _NOTE(MUTEX_PROTECTS_DATA(sd_lun::un_fi_mutex,
721 721 sd_lun::sd_fi_buf_len sd_lun::sd_fi_log))
722 722 #endif
723 723
724 724 /* _NOTE(LOCK_ORDER(sd_lun::un_sd.sd_mutex sd_lun::un_pm_mutex)) */
725 725
726 726
727 727
728 728 /*
729 729 * Referenced for frequently-accessed members of the unit structure
730 730 */
731 731 #define SD_SCSI_DEVP(un) ((un)->un_sd)
732 732 #define SD_DEVINFO(un) ((un)->un_sd->sd_dev)
733 733 #define SD_INQUIRY(un) ((un)->un_sd->sd_inq)
734 734 #define SD_MUTEX(un) (&((un)->un_sd->sd_mutex))
735 735 #define SD_ADDRESS(un) (&((un)->un_sd->sd_address))
736 736 #define SD_GET_DEV(un) (sd_make_device(SD_DEVINFO(un)))
737 737 #define SD_FM_LOG(un) (((struct sd_fm_internal *)\
738 738 ((un)->un_fm_private))->fm_log_level)
739 739
740 740
741 741 /*
742 742 * Values for un_ctype
743 743 */
744 744 #define CTYPE_CDROM 0
745 745 #define CTYPE_MD21 1 /* Obsolete! */
746 746 #define CTYPE_CCS 2
747 747 #define CTYPE_ROD 3
748 748 #define CTYPE_PXRE 4 /* Obsolete! */
749 749
750 750 #define ISCD(un) ((un)->un_ctype == CTYPE_CDROM)
751 751 #define ISROD(un) ((un)->un_ctype == CTYPE_ROD)
752 752 #define ISPXRE(un) ((un)->un_ctype == CTYPE_PXRE)
753 753
754 754 /*
755 755 * This macro checks the vendor of the device to see if it is LSI. Because
756 756 * LSI has some devices out there that return 'Symbios' or 'SYMBIOS', we
757 757 * need to check for those also.
758 758 *
759 759 * This is used in some vendor specific checks.
760 760 */
761 761 #define SD_IS_LSI(un) ((un)->un_f_cfg_is_lsi == TRUE)
762 762
763 763 /*
764 764 * Macros to check if the lun is a Sun T3 or a T4
765 765 */
766 766 #define SD_IS_T3(un) \
767 767 ((bcmp(SD_INQUIRY(un)->inq_vid, "SUN", 3) == 0) && \
768 768 (bcmp(SD_INQUIRY(un)->inq_pid, "T3", 2) == 0))
769 769
770 770 #define SD_IS_T4(un) \
771 771 ((bcmp(SD_INQUIRY(un)->inq_vid, "SUN", 3) == 0) && \
772 772 (bcmp(SD_INQUIRY(un)->inq_pid, "T4", 2) == 0))
773 773
774 774 /*
775 775 * Macros for non-512 byte writes to removable devices.
776 776 */
777 777 #define NOT_DEVBSIZE(un) \
778 778 ((un)->un_tgt_blocksize != (un)->un_sys_blocksize)
779 779
780 780 /*
781 781 * Check that a write map, used for locking lba ranges for writes, is in
782 782 * the linked list.
783 783 */
784 784 #define ONLIST(un, wmp) \
785 785 (((un)->un_wm == (wmp)) || ((wmp)->wm_prev != NULL))
786 786
787 787 /*
788 788 * Free a write map which is on list. Basically make sure that nobody is
789 789 * sleeping on it before freeing it.
790 790 */
791 791 #define FREE_ONLIST_WMAP(un, wmp) \
792 792 if (!(wmp)->wm_wanted_count) { \
793 793 sd_free_inlist_wmap((un), (wmp)); \
794 794 (wmp) = NULL; \
795 795 }
796 796
797 797 #define CHK_N_FREEWMP(un, wmp) \
798 798 if (!ONLIST((un), (wmp))) { \
799 799 kmem_cache_free((un)->un_wm_cache, (wmp)); \
800 800 (wmp) = NULL; \
801 801 } else { \
802 802 FREE_ONLIST_WMAP((un), (wmp)); \
803 803 }
804 804
805 805 /*
806 806 * Values used to in wm_flags field of sd_w_map.
807 807 */
808 808 #define SD_WTYPE_SIMPLE 0x001 /* Write aligned at blksize boundary */
809 809 #define SD_WTYPE_RMW 0x002 /* Write requires read-modify-write */
810 810 #define SD_WM_BUSY 0x100 /* write-map is busy */
811 811
812 812 /*
813 813 * RMW type
814 814 */
815 815 #define SD_RMW_TYPE_DEFAULT 0 /* do rmw with warning message */
816 816 #define SD_RMW_TYPE_NO_WARNING 1 /* do rmw without warning message */
817 817 #define SD_RMW_TYPE_RETURN_ERROR 2 /* rmw disabled */
818 818
819 819 /* Device error kstats */
820 820 struct sd_errstats {
821 821 struct kstat_named sd_softerrs;
822 822 struct kstat_named sd_harderrs;
823 823 struct kstat_named sd_transerrs;
824 824 struct kstat_named sd_vid;
825 825 struct kstat_named sd_pid;
826 826 struct kstat_named sd_revision;
827 827 struct kstat_named sd_serial;
828 828 struct kstat_named sd_capacity;
829 829 struct kstat_named sd_rq_media_err;
830 830 struct kstat_named sd_rq_ntrdy_err;
831 831 struct kstat_named sd_rq_nodev_err;
832 832 struct kstat_named sd_rq_recov_err;
833 833 struct kstat_named sd_rq_illrq_err;
834 834 struct kstat_named sd_rq_pfa_err;
835 835 };
836 836
837 837
838 838 /*
839 839 * Structs and definitions for SCSI-3 Persistent Reservation
840 840 */
841 841 typedef struct sd_prin_readkeys {
842 842 uint32_t generation;
843 843 uint32_t len;
844 844 mhioc_resv_key_t *keylist;
845 845 } sd_prin_readkeys_t;
846 846
847 847 typedef struct sd_readresv_desc {
848 848 mhioc_resv_key_t resvkey;
849 849 uint32_t scope_specific_addr;
850 850 uint8_t reserved_1;
851 851 #if defined(_BIT_FIELDS_LTOH)
852 852 uint8_t type:4,
853 853 scope:4;
854 854 #elif defined(_BIT_FIELDS_HTOL)
855 855 uint8_t scope:4,
856 856 type:4;
857 857 #else
858 858 #error One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
859 859 #endif /* _BIT_FIELDS_LTOH */
860 860 uint8_t reserved_2;
861 861 uint8_t reserved_3;
862 862 } sd_readresv_desc_t;
863 863
864 864 typedef struct sd_prin_readresv {
865 865 uint32_t generation;
866 866 uint32_t len;
867 867 sd_readresv_desc_t *readresv_desc;
868 868 } sd_prin_readresv_t;
869 869
870 870 typedef struct sd_prout {
871 871 uchar_t res_key[MHIOC_RESV_KEY_SIZE];
872 872 uchar_t service_key[MHIOC_RESV_KEY_SIZE];
873 873 uint32_t scope_address;
874 874 #if defined(_BIT_FIELDS_LTOH)
875 875 uchar_t aptpl:1,
876 876 reserved:7;
877 877 #elif defined(_BIT_FIELDS_HTOL)
878 878 uchar_t reserved:7,
879 879 aptpl:1;
880 880 #else
881 881 #error One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined
882 882 #endif /* _BIT_FIELDS_LTOH */
883 883 uchar_t reserved_1;
884 884 uint16_t ext_len;
885 885 } sd_prout_t;
886 886
887 887 #define SD_READ_KEYS 0x00
888 888 #define SD_READ_RESV 0x01
889 889
890 890 #define SD_SCSI3_REGISTER 0x00
891 891 #define SD_SCSI3_RESERVE 0x01
892 892 #define SD_SCSI3_RELEASE 0x02
893 893 #define SD_SCSI3_CLEAR 0x03
894 894 #define SD_SCSI3_PREEMPTANDABORT 0x05
895 895 #define SD_SCSI3_REGISTERANDIGNOREKEY 0x06
896 896
897 897 /*
898 898 * Note: The default init of un_reservation_type is to the value of '0'
899 899 * (from the ddi_softs_state_zalloc) which means it is defaulting to SCSI-3
900 900 * reservation type. This is ok because during attach we use a SCSI-3
901 901 * PRIORITY RESERVE IN command to determine the reservation type, and set
902 902 * un_reservation_type for all cases.
903 903 */
904 904 #define SD_SCSI3_RESERVATION 0x0
905 905 #define SD_SCSI2_RESERVATION 0x1
906 906 #define SCSI3_RESV_DESC_LEN 16
907 907
908 908 /*
909 909 * Reservation Status's
910 910 */
911 911 #define SD_RELEASE 0x0000
912 912 #define SD_RESERVE 0x0001
913 913 #define SD_TKOWN 0x0002
914 914 #define SD_LOST_RESERVE 0x0004
915 915 #define SD_FAILFAST 0x0080
916 916 #define SD_WANT_RESERVE 0x0100
917 917 #define SD_RESERVATION_CONFLICT 0x0200
918 918 #define SD_PRIORITY_RESERVE 0x0400
919 919
920 920 #define SD_TARGET_IS_UNRESERVED 0
921 921 #define SD_TARGET_IS_RESERVED 1
922 922
923 923 /*
924 924 * Save page in mode_select
925 925 */
926 926 #define SD_DONTSAVE_PAGE 0
927 927 #define SD_SAVE_PAGE 1
928 928
929 929 /*
930 930 * Delay before reclaiming reservation is 6 seconds, in units of micro seconds
931 931 */
932 932 #define SD_REINSTATE_RESV_DELAY 6000000
933 933
934 934 #define SD_MODE2_BLKSIZE 2336 /* bytes */
935 935
936 936 /*
937 937 * Solid State Drive default sector size
938 938 */
939 939 #define SSD_SECSIZE 4096
940 940
941 941 /*
942 942 * Resource type definitions for multi host control operations. Specifically,
943 943 * queue and request definitions for reservation request handling between the
944 944 * scsi facility callback function (sd_mhd_watch_cb) and the reservation
945 945 * reclaim thread (sd_resv_reclaim_thread)
946 946 */
947 947 struct sd_thr_request {
948 948 dev_t dev;
949 949 struct sd_thr_request *sd_thr_req_next;
950 950 };
951 951
952 952 struct sd_resv_reclaim_request {
953 953 kthread_t *srq_resv_reclaim_thread;
954 954 struct sd_thr_request *srq_thr_req_head;
955 955 struct sd_thr_request *srq_thr_cur_req;
956 956 kcondvar_t srq_inprocess_cv;
957 957 kmutex_t srq_resv_reclaim_mutex;
958 958 kcondvar_t srq_resv_reclaim_cv;
959 959 };
960 960
961 961 _NOTE(MUTEX_PROTECTS_DATA(sd_resv_reclaim_request::srq_resv_reclaim_mutex,
962 962 sd_resv_reclaim_request))
963 963 _NOTE(SCHEME_PROTECTS_DATA("unshared data", sd_thr_request))
964 964 _NOTE(SCHEME_PROTECTS_DATA("Unshared data", sd_prout))
965 965
966 966
967 967
968 968 /*
969 969 * Driver Logging Components
970 970 *
971 971 * These components cover the functional entry points and areas of the
972 972 * driver. A component value is used for the entry point and utility
973 973 * functions used by the entry point. The common component value is used
974 974 * in those routines that are called from many areas of the driver.
975 975 *
976 976 * This can be done by adding the following two lines to /etc/system:
977 977 * set sd:sd_component_mask=0x00080000
978 978 * set sd:sd_level_mask=0x00000008
979 979 */
980 980 #define SD_LOG_PROBE 0x00000001
981 981 #define SD_LOG_ATTACH_DETACH 0x00000002
982 982 #define SD_LOG_OPEN_CLOSE 0x00000004
983 983 #define SD_LOG_READ_WRITE 0x00000008
984 984 #define SD_LOG_POWER 0x00000010
985 985 #define SD_LOG_IOCTL 0x00000020
986 986 #define SD_LOG_IOCTL_MHD 0x00000040
987 987 #define SD_LOG_IOCTL_RMMEDIA 0x00000080
988 988 #define SD_LOG_IOCTL_DKIO 0x00000100
989 989 #define SD_LOG_IO 0x00000200
990 990 #define SD_LOG_IO_CORE 0x00000400
991 991 #define SD_LOG_IO_DISKSORT 0x00000800
992 992 #define SD_LOG_IO_PARTITION 0x00001000
993 993 #define SD_LOG_IO_RMMEDIA 0x00002000
994 994 #define SD_LOG_IO_CHKSUM 0x00004000
995 995 #define SD_LOG_IO_SDIOCTL 0x00008000
996 996 #define SD_LOG_IO_PM 0x00010000
997 997 #define SD_LOG_ERROR 0x00020000
998 998 #define SD_LOG_DUMP 0x00040000
999 999 #define SD_LOG_COMMON 0x00080000
1000 1000 #define SD_LOG_SDTEST 0x00100000
1001 1001 #define SD_LOG_IOERR 0x00200000
1002 1002 #define SD_LOG_IO_FAILFAST 0x00400000
1003 1003
1004 1004 /* Driver Logging Levels */
1005 1005 #define SD_LOGMASK_ERROR 0x00000001
1006 1006 #define SD_LOGMASK_DUMP_MEM 0x00000002
1007 1007 #define SD_LOGMASK_INFO 0x00000004
1008 1008 #define SD_LOGMASK_TRACE 0x00000008
1009 1009 #define SD_LOGMASK_DIAG 0x00000010
1010 1010
1011 1011 /* Driver Logging Formats */
1012 1012 #define SD_LOG_HEX 0x00000001
1013 1013 #define SD_LOG_CHAR 0x00000002
1014 1014
1015 1015 /*
1016 1016 * The following macros should be used to log driver debug information
1017 1017 * only. The output is filtered according to the component and level mask
1018 1018 * values. Non-debug information, such as driver warnings intended for
1019 1019 * the user should be logged via the scsi_log facility to ensure that
1020 1020 * they are not filtered.
1021 1021 */
1022 1022 #if DEBUG || lint
1023 1023 #define SDDEBUG
1024 1024
1025 1025 /* SD_ERROR is called to log driver error conditions */
1026 1026 #define SD_ERROR sd_log_err
1027 1027
1028 1028 /* SD_TRACE is called to log driver trace conditions (function entry/exit) */
1029 1029 #define SD_TRACE sd_log_trace
1030 1030
1031 1031 /* SD_INFO is called to log general purpose driver info */
1032 1032 #define SD_INFO sd_log_info
1033 1033
1034 1034 /* SD_DUMP_MEMORY is called to dump a data buffer to the log */
1035 1035 #define SD_DUMP_MEMORY sd_dump_memory
1036 1036
1037 1037 /* RESET/ABORTS testing ioctls */
1038 1038 #define DKIOCRESET (DKIOC|14)
1039 1039 #define DKIOCABORT (DKIOC|15)
1040 1040
1041 1041 #ifdef SD_FAULT_INJECTION
1042 1042 /*
1043 1043 * sd_fi_pkt replicates the variables that are exposed through pkt
1044 1044 *
1045 1045 * sd_fi_xb replicates the variables that are exposed through xb
1046 1046 *
1047 1047 * sd_fi_un replicates the variables that are exposed through un
1048 1048 *
1049 1049 * sd_fi_arq replicates the variables that are
1050 1050 * exposed for Auto-Reqeust-Sense
1051 1051 *
1052 1052 */
1053 1053 struct sd_fi_pkt {
1054 1054 uint_t pkt_flags; /* flags */
1055 1055 uchar_t pkt_scbp; /* pointer to status block */
1056 1056 uchar_t pkt_cdbp; /* pointer to command block */
1057 1057 uint_t pkt_state; /* state of command */
1058 1058 uint_t pkt_statistics; /* statistics */
1059 1059 uchar_t pkt_reason; /* reason completion called */
1060 1060 };
1061 1061
1062 1062 struct sd_fi_xb {
1063 1063 daddr_t xb_blkno;
1064 1064 ssize_t xb_dma_resid;
1065 1065 short xb_retry_count;
1066 1066 short xb_victim_retry_count;
1067 1067 uchar_t xb_sense_status;
1068 1068 uint_t xb_sense_state;
1069 1069 ssize_t xb_sense_resid;
1070 1070 uchar_t xb_sense_data[SENSE_LENGTH];
1071 1071 uchar_t es_code;
1072 1072 uchar_t es_key;
1073 1073 uchar_t es_add_code;
1074 1074 uchar_t es_qual_code;
1075 1075 };
1076 1076
1077 1077 struct sd_fi_un {
1078 1078 uchar_t inq_rmb;
1079 1079 uchar_t un_ctype;
1080 1080 uint_t un_notready_retry_count;
1081 1081 uint_t un_reset_retry_count;
1082 1082 uchar_t un_reservation_type;
1083 1083 ushort_t un_notrdy_delay;
1084 1084 short un_resvd_status;
1085 1085 uint32_t
1086 1086 un_f_arq_enabled,
1087 1087 un_f_allow_bus_device_reset,
1088 1088 un_f_opt_queueing;
1089 1089 timeout_id_t un_restart_timeid;
1090 1090 };
1091 1091
1092 1092 struct sd_fi_arq {
1093 1093 struct scsi_status sts_status;
1094 1094 struct scsi_status sts_rqpkt_status;
1095 1095 uchar_t sts_rqpkt_reason;
1096 1096 uchar_t sts_rqpkt_resid;
1097 1097 uint_t sts_rqpkt_state;
1098 1098 uint_t sts_rqpkt_statistics;
1099 1099 struct scsi_extended_sense sts_sensedata;
1100 1100 };
1101 1101
1102 1102 /*
1103 1103 * Conditional set def
1104 1104 */
1105 1105 #define SD_CONDSET(a, b, c, d) \
1106 1106 { \
1107 1107 a->c = ((fi_ ## b)->c); \
1108 1108 SD_INFO(SD_LOG_IOERR, un, \
1109 1109 "sd_fault_injection:" \
1110 1110 "setting %s to %d\n", \
1111 1111 d, ((fi_ ## b)->c)); \
1112 1112 }
1113 1113
1114 1114 /* SD FaultInjection ioctls */
1115 1115 #define SDIOC ('T'<<8)
1116 1116 #define SDIOCSTART (SDIOC|1)
1117 1117 #define SDIOCSTOP (SDIOC|2)
1118 1118 #define SDIOCINSERTPKT (SDIOC|3)
1119 1119 #define SDIOCINSERTXB (SDIOC|4)
1120 1120 #define SDIOCINSERTUN (SDIOC|5)
1121 1121 #define SDIOCINSERTARQ (SDIOC|6)
1122 1122 #define SDIOCPUSH (SDIOC|7)
1123 1123 #define SDIOCRETRIEVE (SDIOC|8)
1124 1124 #define SDIOCRUN (SDIOC|9)
1125 1125 #endif
1126 1126
1127 1127 #else
1128 1128
1129 1129 #undef SDDEBUG
1130 1130 #define SD_ERROR { if (0) sd_log_err; }
1131 1131 #define SD_TRACE { if (0) sd_log_trace; }
1132 1132 #define SD_INFO { if (0) sd_log_info; }
1133 1133 #define SD_DUMP_MEMORY { if (0) sd_dump_memory; }
1134 1134 #endif
1135 1135
1136 1136
1137 1137 /*
1138 1138 * Miscellaneous macros
1139 1139 */
1140 1140
1141 1141 #define SD_USECTOHZ(x) (drv_usectohz((x)*1000000))
1142 1142 #define SD_GET_PKT_STATUS(pktp) ((*(pktp)->pkt_scbp) & STATUS_MASK)
1143 1143
1144 1144 #define SD_BIOERROR(bp, errcode) \
1145 1145 if ((bp)->b_resid == 0) { \
1146 1146 (bp)->b_resid = (bp)->b_bcount; \
1147 1147 } \
1148 1148 if ((bp)->b_error == 0) { \
1149 1149 bioerror(bp, errcode); \
1150 1150 } \
1151 1151 (bp)->b_flags |= B_ERROR;
1152 1152
1153 1153 #define SD_FILL_SCSI1_LUN_CDB(lunp, cdbp) \
1154 1154 if (! (lunp)->un_f_is_fibre && \
1155 1155 SD_INQUIRY((lunp))->inq_ansi == 0x01) { \
1156 1156 int _lun = ddi_prop_get_int(DDI_DEV_T_ANY, \
1157 1157 SD_DEVINFO((lunp)), DDI_PROP_DONTPASS, \
1158 1158 SCSI_ADDR_PROP_LUN, 0); \
1159 1159 if (_lun > 0) { \
1160 1160 (cdbp)->scc_lun = _lun; \
1161 1161 } \
1162 1162 }
1163 1163
1164 1164 #define SD_FILL_SCSI1_LUN(lunp, pktp) \
1165 1165 SD_FILL_SCSI1_LUN_CDB((lunp), (union scsi_cdb *)(pktp)->pkt_cdbp)
1166 1166
1167 1167 /*
1168 1168 * Disk driver states
1169 1169 */
1170 1170
1171 1171 #define SD_STATE_NORMAL 0
1172 1172 #define SD_STATE_OFFLINE 1
1173 1173 #define SD_STATE_RWAIT 2
1174 1174 #define SD_STATE_DUMPING 3
1175 1175 #define SD_STATE_SUSPENDED 4
1176 1176 #define SD_STATE_PM_CHANGING 5
1177 1177
1178 1178 /*
1179 1179 * The table is to be interpreted as follows: The rows lists all the states
1180 1180 * and each column is a state that a state in each row *can* reach. The entries
1181 1181 * in the table list the event that cause that transition to take place.
1182 1182 * For e.g.: To go from state RWAIT to SUSPENDED, event (d)-- which is the
1183 1183 * invocation of DDI_SUSPEND-- has to take place. Note the same event could
1184 1184 * cause the transition from one state to two different states. e.g., from
1185 1185 * state SUSPENDED, when we get a DDI_RESUME, we just go back to the *last
1186 1186 * state* whatever that might be. (NORMAL or OFFLINE).
1187 1187 *
1188 1188 *
1189 1189 * State Transition Table:
1190 1190 *
1191 1191 * NORMAL OFFLINE RWAIT DUMPING SUSPENDED PM_SUSPENDED
1192 1192 *
1193 1193 * NORMAL - (a) (b) (c) (d) (h)
1194 1194 *
1195 1195 * OFFLINE (e) - (e) (c) (d) NP
1196 1196 *
1197 1197 * RWAIT (f) NP - (c) (d) (h)
1198 1198 *
1199 1199 * DUMPING NP NP NP - NP NP
1200 1200 *
1201 1201 * SUSPENDED (g) (g) (b) NP* - NP
1202 1202 *
1203 1203 * PM_SUSPENDED (i) NP (b) (c) (d) -
1204 1204 *
1205 1205 * NP : Not Possible.
1206 1206 * (a): Disk does not respond.
1207 1207 * (b): Packet Allocation Fails
1208 1208 * (c): Panic - Crash dump
1209 1209 * (d): DDI_SUSPEND is called.
1210 1210 * (e): Disk has a successful I/O completed.
1211 1211 * (f): sdrunout() calls sdstart() which sets it NORMAL
1212 1212 * (g): DDI_RESUME is called.
1213 1213 * (h): Device threshold exceeded pm framework called power
1214 1214 * entry point or pm_lower_power called in detach.
1215 1215 * (i): When new I/O come in.
1216 1216 * * : When suspended, we dont change state during panic dump
1217 1217 */
1218 1218
1219 1219
1220 1220 #define SD_MAX_THROTTLE 256
1221 1221 #define SD_MIN_THROTTLE 8
1222 1222 /*
1223 1223 * Lowest valid max. and min. throttle value.
1224 1224 * This is set to 2 because if un_min_throttle were allowed to be 1 then
1225 1225 * un_throttle would never get set to a value less than un_min_throttle
1226 1226 * (0 is a special case) which means it would never get set back to
1227 1227 * un_saved_throttle in routine sd_restore_throttle().
1228 1228 */
1229 1229 #define SD_LOWEST_VALID_THROTTLE 2
1230 1230
1231 1231
1232 1232
1233 1233 /* Return codes for sd_send_polled_cmd() and sd_scsi_poll() */
1234 1234 #define SD_CMD_SUCCESS 0
1235 1235 #define SD_CMD_FAILURE 1
1236 1236 #define SD_CMD_RESERVATION_CONFLICT 2
1237 1237 #define SD_CMD_ILLEGAL_REQUEST 3
1238 1238 #define SD_CMD_BECOMING_READY 4
1239 1239 #define SD_CMD_CHECK_CONDITION 5
1240 1240
1241 1241 /* Return codes for sd_ready_and_valid */
1242 1242 #define SD_READY_VALID 0
1243 1243 #define SD_NOT_READY_VALID 1
1244 1244 #define SD_RESERVED_BY_OTHERS 2
1245 1245
1246 1246 #define SD_PATH_STANDARD 0
1247 1247 #define SD_PATH_DIRECT 1
1248 1248 #define SD_PATH_DIRECT_PRIORITY 2
1249 1249
1250 1250 #define SD_UNIT_ATTENTION_RETRY 40
1251 1251
1252 1252 /*
1253 1253 * The following three are bit flags passed into sd_send_scsi_TEST_UNIT_READY
1254 1254 * to control specific behavior.
1255 1255 */
1256 1256 #define SD_CHECK_FOR_MEDIA 0x01
1257 1257 #define SD_DONT_RETRY_TUR 0x02
1258 1258 #define SD_BYPASS_PM 0x04
1259 1259
1260 1260 #define SD_GROUP0_MAX_ADDRESS (0x1fffff)
1261 1261 #define SD_GROUP0_MAXCOUNT (0xff)
1262 1262 #define SD_GROUP1_MAX_ADDRESS (0xffffffff)
1263 1263 #define SD_GROUP1_MAXCOUNT (0xffff)
1264 1264
1265 1265 #define SD_BECOMING_ACTIVE 0x01
1266 1266 #define SD_REMOVAL_ALLOW 0
1267 1267 #define SD_REMOVAL_PREVENT 1
1268 1268
1269 1269 #define SD_GET_PKT_OPCODE(pktp) \
1270 1270 (((union scsi_cdb *)((pktp)->pkt_cdbp))->cdb_un.cmd)
1271 1271
1272 1272
1273 1273 #define SD_NO_RETRY_ISSUED 0
1274 1274 #define SD_DELAYED_RETRY_ISSUED 1
1275 1275 #define SD_IMMEDIATE_RETRY_ISSUED 2
1276 1276
1277 1277 #if defined(__i386) || defined(__amd64)
1278 1278 #define SD_UPDATE_B_RESID(bp, pktp) \
1279 1279 ((bp)->b_resid += (pktp)->pkt_resid + (SD_GET_XBUF(bp)->xb_dma_resid))
1280 1280 #else
1281 1281 #define SD_UPDATE_B_RESID(bp, pktp) \
1282 1282 ((bp)->b_resid += (pktp)->pkt_resid)
1283 1283 #endif
1284 1284
1285 1285
1286 1286 #define SD_RETRIES_MASK 0x00FF
1287 1287 #define SD_RETRIES_NOCHECK 0x0000
1288 1288 #define SD_RETRIES_STANDARD 0x0001
1289 1289 #define SD_RETRIES_VICTIM 0x0002
1290 1290 #define SD_RETRIES_BUSY 0x0003
1291 1291 #define SD_RETRIES_UA 0x0004
1292 1292 #define SD_RETRIES_ISOLATE 0x8000
1293 1293 #define SD_RETRIES_FAILFAST 0x4000
1294 1294
1295 1295 #define SD_UPDATE_RESERVATION_STATUS(un, pktp) \
1296 1296 if (((pktp)->pkt_reason == CMD_RESET) || \
1297 1297 ((pktp)->pkt_statistics & (STAT_BUS_RESET | STAT_DEV_RESET))) { \
1298 1298 if (((un)->un_resvd_status & SD_RESERVE) == SD_RESERVE) { \
1299 1299 (un)->un_resvd_status |= \
1300 1300 (SD_LOST_RESERVE | SD_WANT_RESERVE); \
1301 1301 } \
1302 1302 }
1303 1303
1304 1304 #define SD_SENSE_DATA_IS_VALID 0
1305 1305 #define SD_SENSE_DATA_IS_INVALID 1
1306 1306
1307 1307 /*
1308 1308 * Delay (in seconds) before restoring the "throttle limit" back
1309 1309 * to its maximum value.
1310 1310 * 60 seconds is what we will wait for to reset the
1311 1311 * throttle back to it SD_MAX_THROTTLE for TRAN_BUSY.
1312 1312 * 10 seconds for STATUS_QFULL because QFULL will incrementally
1313 1313 * increase the throttle limit until it reaches max value.
1314 1314 */
1315 1315 #define SD_RESET_THROTTLE_TIMEOUT 60
1316 1316 #define SD_QFULL_THROTTLE_TIMEOUT 10
1317 1317
1318 1318 #define SD_THROTTLE_TRAN_BUSY 0
1319 1319 #define SD_THROTTLE_QFULL 1
1320 1320
1321 1321 #define SD_THROTTLE_RESET_INTERVAL \
1322 1322 (sd_reset_throttle_timeout * drv_usectohz(1000000))
1323 1323
1324 1324 #define SD_QFULL_THROTTLE_RESET_INTERVAL \
1325 1325 (sd_qfull_throttle_timeout * drv_usectohz(1000000))
1326 1326
1327 1327
1328 1328 /*
1329 1329 * xb_pkt_flags defines
1330 1330 * SD_XB_DMA_FREED indicates the scsi_pkt has had its DMA resources freed
1331 1331 * by a call to scsi_dmafree(9F). The resources must be reallocated before
1332 1332 * before a call to scsi_transport can be made again.
1333 1333 * SD_XB_USCSICMD indicates the scsi request is a uscsi request
1334 1334 * SD_XB_INITPKT_MASK: since this field is also used to store flags for
1335 1335 * a scsi_init_pkt(9F) call, we need a mask to make sure that we don't
1336 1336 * pass any unintended bits to scsi_init_pkt(9F) (ugly hack).
1337 1337 */
1338 1338 #define SD_XB_DMA_FREED 0x20000000
1339 1339 #define SD_XB_USCSICMD 0x40000000
1340 1340 #define SD_XB_INITPKT_MASK (PKT_CONSISTENT | PKT_DMA_PARTIAL)
1341 1341
1342 1342 /*
1343 1343 * Extension for the buf(9s) struct that we receive from a higher
1344 1344 * layer. Located by b_private in the buf(9S). (The previous contents
1345 1345 * of b_private are saved & restored before calling biodone(9F).)
1346 1346 */
1347 1347 struct sd_xbuf {
1348 1348
1349 1349 struct sd_lun *xb_un; /* Ptr to associated sd_lun */
1350 1350 struct scsi_pkt *xb_pktp; /* Ptr to associated scsi_pkt */
1351 1351
1352 1352 /*
1353 1353 * xb_pktinfo points to any optional data that may be needed
1354 1354 * by the initpkt and/or destroypkt functions. Typical
1355 1355 * use might be to point to a struct uscsi_cmd.
1356 1356 */
1357 1357 void *xb_pktinfo;
1358 1358
1359 1359 /*
1360 1360 * Layer-private data area. This may be used by any layer to store
1361 1361 * layer-specific data on a per-IO basis. Typical usage is for an
1362 1362 * iostart routine to save some info here for later use by its
1363 1363 * partner iodone routine. This area may be used to hold data or
1364 1364 * a pointer to a data block that is allocated/freed by the layer's
1365 1365 * iostart/iodone routines. Allocation & management policy for the
1366 1366 * layer-private area is defined & implemented by each specific
1367 1367 * layer as required.
1368 1368 *
1369 1369 * IMPORTANT: Since a higher layer may depend on the value in the
1370 1370 * xb_private field, each layer must ensure that it returns the
1371 1371 * buf/xbuf to the next higher layer (via SD_NEXT_IODONE()) with
1372 1372 * the SAME VALUE in xb_private as when the buf/xbuf was first
1373 1373 * received by the layer's iostart routine. Typically this is done
1374 1374 * by the iostart routine saving the contents of xb_private into
1375 1375 * a place in the layer-private data area, and the iodone routine
1376 1376 * restoring the value of xb_private before deallocating the
1377 1377 * layer-private data block and calling SD_NEXT_IODONE(). Of course,
1378 1378 * if a layer never modifies xb_private in a buf/xbuf from a higher
1379 1379 * layer, there will be no need to restore the value.
1380 1380 *
1381 1381 * Note that in the case where a layer _creates_ a buf/xbuf (such as
1382 1382 * by calling sd_shadow_buf_alloc()) to pass to a lower layer, it is
1383 1383 * not necessary to preserve the contents of xb_private as there is
1384 1384 * no higher layer dependency on the value of xb_private. Such a
1385 1385 * buf/xbuf must be deallocated by the layer that allocated it and
1386 1386 * must *NEVER* be passed up to a higher layer.
1387 1387 */
1388 1388 void *xb_private; /* Layer-private data block */
1389 1389
1390 1390 /*
1391 1391 * We do not use the b_blkno provided in the buf(9S), as we need to
1392 1392 * make adjustments to it in the driver, but it is not a field that
1393 1393 * the driver owns or is free to modify.
1394 1394 */
1395 1395 daddr_t xb_blkno; /* Absolute block # on target */
1396 1396 uint64_t xb_ena; /* ena for a specific SCSI command */
1397 1397
1398 1398 int xb_chain_iostart; /* iostart side index */
1399 1399 int xb_chain_iodone; /* iodone side index */
1400 1400 int xb_pkt_flags; /* Flags for scsi_init_pkt() */
1401 1401 ssize_t xb_dma_resid;
1402 1402 short xb_retry_count;
1403 1403 short xb_victim_retry_count;
1404 1404 short xb_ua_retry_count; /* unit_attention retry counter */
1405 1405 short xb_nr_retry_count; /* not ready retry counter */
1406 1406
1407 1407 /*
1408 1408 * Various status and data used when a RQS command is run on
1409 1409 * the behalf of this command.
1410 1410 */
1411 1411 struct buf *xb_sense_bp; /* back ptr to buf, for RQS */
1412 1412 uint_t xb_sense_state; /* scsi_pkt state of RQS command */
1413 1413 ssize_t xb_sense_resid; /* residual of RQS command */
1414 1414 uchar_t xb_sense_status; /* scsi status byte of RQS command */
1415 1415 uchar_t xb_sense_data[SENSE_LENGTH]; /* sense data from RQS cmd */
1416 1416 /*
1417 1417 * Extra sense larger than SENSE_LENGTH will be allocated
1418 1418 * right after xb_sense_data[SENSE_LENGTH]. Please do not
1419 1419 * add any new field after it.
1420 1420 */
1421 1421 };
1422 1422
1423 1423 _NOTE(SCHEME_PROTECTS_DATA("unique per pkt", sd_xbuf))
1424 1424
1425 1425 #define SD_PKT_ALLOC_SUCCESS 0
1426 1426 #define SD_PKT_ALLOC_FAILURE 1
1427 1427 #define SD_PKT_ALLOC_FAILURE_NO_DMA 2
1428 1428 #define SD_PKT_ALLOC_FAILURE_PKT_TOO_SMALL 3
1429 1429 #define SD_PKT_ALLOC_FAILURE_CDB_TOO_SMALL 4
1430 1430
1431 1431 #define SD_GET_XBUF(bp) ((struct sd_xbuf *)((bp)->b_private))
1432 1432 #define SD_GET_UN(bp) ((SD_GET_XBUF(bp))->xb_un)
1433 1433 #define SD_GET_PKTP(bp) ((SD_GET_XBUF(bp))->xb_pktp)
1434 1434 #define SD_GET_BLKNO(bp) ((SD_GET_XBUF(bp))->xb_blkno)
1435 1435
1436 1436 /*
1437 1437 * Special-purpose struct for sd_send_scsi_cmd() to pass command-specific
1438 1438 * data through the layering chains to sd_initpkt_for_uscsi().
1439 1439 */
1440 1440 struct sd_uscsi_info {
1441 1441 int ui_flags;
1442 1442 struct uscsi_cmd *ui_cmdp;
1443 1443 /*
1444 1444 * ui_dkc is used by sd_send_scsi_SYNCHRONIZE_CACHE() to allow
1445 1445 * for async completion notification.
1446 1446 */
1447 1447 struct dk_callback ui_dkc;
1448 1448 /*
1449 1449 * The following fields are to be used for FMA ereport generation.
1450 1450 */
1451 1451 uchar_t ui_pkt_reason;
1452 1452 uint32_t ui_pkt_state;
1453 1453 uint32_t ui_pkt_statistics;
1454 1454 uint64_t ui_lba;
1455 1455 uint64_t ui_ena;
1456 1456 };
1457 1457
1458 1458 _NOTE(SCHEME_PROTECTS_DATA("Unshared data", sd_uscsi_info))
1459 1459
1460 1460 /*
1461 1461 * This structure is used to issue 'internal' command sequences from the
1462 1462 * driver's attach(9E)/open(9E)/etc entry points. It provides a common context
1463 1463 * for issuing command sequences, with the ability to issue a command
1464 1464 * and provide expected/unexpected assessment of results at any code
1465 1465 * level within the sd_ssc_t scope and preserve the information needed
1466 1466 * produce telemetry for the problem, when needed, from a single
1467 1467 * outer-most-scope point.
1468 1468 *
1469 1469 * The sd_ssc_t abstraction should result in well-structured code where
1470 1470 * the basic code structure is not jeprodized by future localized improvement.
1471 1471 *
1472 1472 * o Scope for a sequence of commands.
1473 1473 * o Within a scoped sequence of commands, provides a single top-level
1474 1474 * location for initiating telementry generation from captured data.
1475 1475 * o Provide a common place to capture command execution data and driver
1476 1476 * assessment information for delivery to telemetry generation point.
1477 1477 * o Mechanism to get device-as-detector (dad) and transport telemetry
1478 1478 * information from interrupt context (sdintr) back to the internal
1479 1479 * command 'driver-assessment' code.
1480 1480 * o Ability to record assessment, and return information back to
1481 1481 * top-level telemetry generation code when an unexpected condition
1482 1482 * occurs.
1483 1483 * o For code paths were an command itself was successful but
1484 1484 * the data returned looks suspect, the ability to record
1485 1485 * 'unexpected data' conditions.
1486 1486 * o Record assessment of issuing the command and interpreting
1487 1487 * the returned data for consumption by top-level ereport telemetry
1488 1488 * generation code.
1489 1489 * o All data required to produce telemetry available off single data
1490 1490 * structure.
1491 1491 */
1492 1492 typedef struct {
1493 1493 struct sd_lun *ssc_un;
1494 1494 struct uscsi_cmd *ssc_uscsi_cmd;
1495 1495 struct sd_uscsi_info *ssc_uscsi_info;
1496 1496 int ssc_flags; /* Bits for flags */
1497 1497 char ssc_info[1024]; /* Buffer holding for info */
1498 1498 } sd_ssc_t;
1499 1499
1500 1500 _NOTE(SCHEME_PROTECTS_DATA("Unshared data", sd_ssc_t))
1501 1501
1502 1502 /*
1503 1503 * This struct switch different 'type-of-assessment'
1504 1504 * as an input argument for sd_ssc_assessment
1505 1505 *
1506 1506 *
1507 1507 * in sd_send_scsi_XXX or upper-level
1508 1508 *
1509 1509 * - SD_FMT_IGNORE
1510 1510 * when send uscsi command failed, and
1511 1511 * the following code check sense data properly.
1512 1512 * we use 'ignore' to let sd_ssc_assessment
1513 1513 * trust current and do not do additional
1514 1514 * checking for the uscsi command.
1515 1515 *
1516 1516 * - SD_FMT_IGNORE_COMPROMISE
1517 1517 * when send uscsi command failed, and
1518 1518 * the code does not check sense data or we don't
1519 1519 * think the checking is 100% coverage. We mark it
1520 1520 * as 'compromise' to indicate that we need to
1521 1521 * enhance current code in the future.
1522 1522 *
1523 1523 * - SD_FMT_STATUS_CHECK
1524 1524 * when send uscsi command failed and cause sd entries
1525 1525 * failed finally, we need to send out real reason against
1526 1526 * status of uscsi command no matter if there is sense back
1527 1527 * or not.
1528 1528 *
1529 1529 * - SD_FMT_STANDARD
1530 1530 * when send uscsi command succeeded, and
1531 1531 * the code does not check sense data, we need to check
1532 1532 * it to make sure there is no 'fault'.
1533 1533 */
1534 1534 enum sd_type_assessment {
1535 1535 SD_FMT_IGNORE = 0,
1536 1536 SD_FMT_IGNORE_COMPROMISE,
1537 1537 SD_FMT_STATUS_CHECK,
1538 1538 SD_FMT_STANDARD
1539 1539 };
1540 1540
1541 1541 /*
1542 1542 * The following declaration are used as hints of severities when posting
1543 1543 * SCSI FMA ereport.
1544 1544 * - SD_FM_DRV_FATAL
1545 1545 * When posting ereport with SD_FM_DRV_FATAL, the payload
1546 1546 * "driver-assessment" will be "fail" or "fatal" depending on the
1547 1547 * sense-key value. If driver-assessment is "fail", it will be
1548 1548 * propagated to an upset, otherwise, a fault will be propagated.
1549 1549 * - SD_FM_DRV_RETRY
1550 1550 * When posting ereport with SD_FM_DRV_RETRY, the payload
1551 1551 * "driver-assessment" will be "retry", and it will be propagated to an
1552 1552 * upset.
1553 1553 * - SD_FM_DRV_RECOVERY
1554 1554 * When posting ereport with SD_FM_DRV_RECOVERY, the payload
1555 1555 * "driver-assessment" will be "recovered", and it will be propagated to
1556 1556 * an upset.
1557 1557 * - SD_FM_DRV_NOTICE
1558 1558 * When posting ereport with SD_FM_DRV_NOTICE, the payload
1559 1559 * "driver-assessment" will be "info", and it will be propagated to an
1560 1560 * upset.
1561 1561 */
1562 1562 enum sd_driver_assessment {
1563 1563 SD_FM_DRV_FATAL = 0,
1564 1564 SD_FM_DRV_RETRY,
1565 1565 SD_FM_DRV_RECOVERY,
1566 1566 SD_FM_DRV_NOTICE
1567 1567 };
1568 1568
1569 1569 /*
1570 1570 * The following structure is used as a buffer when posting SCSI FMA
1571 1571 * ereport for raw i/o. It will be allocated per sd_lun when entering
1572 1572 * sd_unit_attach and will be deallocated when entering sd_unit_detach.
1573 1573 */
1574 1574 struct sd_fm_internal {
1575 1575 sd_ssc_t fm_ssc;
1576 1576 struct uscsi_cmd fm_ucmd;
1577 1577 struct sd_uscsi_info fm_uinfo;
1578 1578 int fm_log_level;
1579 1579 };
1580 1580
1581 1581 /*
1582 1582 * Bits in ssc_flags
1583 1583 * sd_ssc_init will mark ssc_flags = SSC_FLAGS_UNKNOWN
1584 1584 * sd_ssc_send will mark ssc_flags = SSC_FLAGS_CMD_ISSUED &
1585 1585 * SSC_FLAGS_NEED_ASSESSMENT
1586 1586 * sd_ssc_assessment will clear SSC_FLAGS_CMD_ISSUED and
1587 1587 * SSC_FLAGS_NEED_ASSESSMENT bits of ssc_flags.
1588 1588 * SSC_FLAGS_CMD_ISSUED is to indicate whether the SCSI command has been
1589 1589 * sent out.
1590 1590 * SSC_FLAGS_NEED_ASSESSMENT is to guarantee we will not miss any
1591 1591 * assessment point.
1592 1592 */
1593 1593 #define SSC_FLAGS_UNKNOWN 0x00000000
1594 1594 #define SSC_FLAGS_CMD_ISSUED 0x00000001
1595 1595 #define SSC_FLAGS_NEED_ASSESSMENT 0x00000002
1596 1596 #define SSC_FLAGS_TRAN_ABORT 0x00000004
1597 1597
1598 1598 /*
1599 1599 * The following bits in ssc_flags are for detecting unexpected data.
1600 1600 */
1601 1601 #define SSC_FLAGS_INVALID_PKT_REASON 0x00000010
1602 1602 #define SSC_FLAGS_INVALID_STATUS 0x00000020
1603 1603 #define SSC_FLAGS_INVALID_SENSE 0x00000040
1604 1604 #define SSC_FLAGS_INVALID_DATA 0x00000080
1605 1605
1606 1606 /*
1607 1607 * The following are the values available for sd_fm_internal::fm_log_level.
1608 1608 * SD_FM_LOG_NSUP The driver will log things in traditional way as if
1609 1609 * the SCSI FMA feature is unavailable.
1610 1610 * SD_FM_LOG_SILENT The driver will not print out syslog for FMA error
1611 1611 * telemetry, all the error telemetries will go into
1612 1612 * FMA error log.
1613 1613 * SD_FM_LOG_EREPORT The driver will both print the FMA error telemetry
1614 1614 * and post the error report, but the traditional
1615 1615 * syslog for error telemetry will be suppressed.
1616 1616 */
1617 1617 #define SD_FM_LOG_NSUP 0
1618 1618 #define SD_FM_LOG_SILENT 1
1619 1619 #define SD_FM_LOG_EREPORT 2
1620 1620
1621 1621 /*
1622 1622 * Macros and definitions for driver kstats and errstats
1623 1623 *
1624 1624 * Some third-party layered drivers (they know who they are) do not maintain
1625 1625 * their open/close counts correctly which causes our kstat reporting to get
1626 1626 * messed up & results in panics. These macros will update the driver kstats
1627 1627 * only if the counts are valid.
1628 1628 */
1629 1629 #define SD_UPDATE_COMMON_KSTATS(kstat_function, kstatp) \
1630 1630 if ((kstat_function) == kstat_runq_exit || \
1631 1631 ((kstat_function) == kstat_runq_back_to_waitq)) { \
1632 1632 if (((kstat_io_t *)(kstatp))->rcnt) { \
1633 1633 kstat_function((kstatp)); \
1634 1634 } else { \
1635 1635 cmn_err(CE_WARN, \
1636 1636 "kstat rcnt == 0 when exiting runq, please check\n"); \
1637 1637 } \
1638 1638 } else if ((kstat_function) == kstat_waitq_exit || \
1639 1639 ((kstat_function) == kstat_waitq_to_runq)) { \
1640 1640 if (((kstat_io_t *)(kstatp))->wcnt) { \
1641 1641 kstat_function(kstatp); \
1642 1642 } else { \
1643 1643 cmn_err(CE_WARN, \
1644 1644 "kstat wcnt == 0 when exiting waitq, please check\n"); \
1645 1645 } \
1646 1646 } else { \
1647 1647 kstat_function(kstatp); \
1648 1648 }
1649 1649
1650 1650 #define SD_UPDATE_KSTATS(un, kstat_function, bp) \
1651 1651 ASSERT(SD_GET_XBUF(bp) != NULL); \
1652 1652 if (SD_IS_BUFIO(SD_GET_XBUF(bp))) { \
1653 1653 struct kstat *pksp = \
1654 1654 (un)->un_pstats[SDPART((bp)->b_edev)]; \
1655 1655 ASSERT(mutex_owned(SD_MUTEX(un))); \
1656 1656 if ((un)->un_stats != NULL) { \
1657 1657 kstat_io_t *kip = KSTAT_IO_PTR((un)->un_stats); \
1658 1658 SD_UPDATE_COMMON_KSTATS(kstat_function, kip); \
1659 1659 } \
1660 1660 if (pksp != NULL) { \
1661 1661 kstat_io_t *kip = KSTAT_IO_PTR(pksp); \
1662 1662 SD_UPDATE_COMMON_KSTATS(kstat_function, kip); \
1663 1663 } \
1664 1664 }
1665 1665
1666 1666 #define SD_UPDATE_ERRSTATS(un, x) \
1667 1667 if ((un)->un_errstats != NULL) { \
1668 1668 struct sd_errstats *stp; \
1669 1669 ASSERT(mutex_owned(SD_MUTEX(un))); \
1670 1670 stp = (struct sd_errstats *)(un)->un_errstats->ks_data; \
1671 1671 stp->x.value.ui32++; \
1672 1672 }
1673 1673
1674 1674 #define SD_UPDATE_RDWR_STATS(un, bp) \
1675 1675 if ((un)->un_stats != NULL) { \
1676 1676 kstat_io_t *kip = KSTAT_IO_PTR((un)->un_stats); \
1677 1677 size_t n_done = (bp)->b_bcount - (bp)->b_resid; \
1678 1678 if ((bp)->b_flags & B_READ) { \
1679 1679 kip->reads++; \
1680 1680 kip->nread += n_done; \
1681 1681 } else { \
1682 1682 kip->writes++; \
1683 1683 kip->nwritten += n_done; \
1684 1684 } \
1685 1685 }
1686 1686
1687 1687 #define SD_UPDATE_PARTITION_STATS(un, bp) \
1688 1688 { \
1689 1689 struct kstat *pksp = (un)->un_pstats[SDPART((bp)->b_edev)]; \
1690 1690 if (pksp != NULL) { \
1691 1691 kstat_io_t *kip = KSTAT_IO_PTR(pksp); \
1692 1692 size_t n_done = (bp)->b_bcount - (bp)->b_resid; \
1693 1693 if ((bp)->b_flags & B_READ) { \
1694 1694 kip->reads++; \
1695 1695 kip->nread += n_done; \
1696 1696 } else { \
1697 1697 kip->writes++; \
1698 1698 kip->nwritten += n_done; \
1699 1699 } \
1700 1700 } \
1701 1701 }
1702 1702
1703 1703
1704 1704 #endif /* defined(_KERNEL) || defined(_KMEMUSER) */
1705 1705
1706 1706
1707 1707 /*
1708 1708 * 60 seconds is a *very* reasonable amount of time for most slow CD
1709 1709 * operations.
1710 1710 */
1711 1711 #define SD_IO_TIME 60
1712 1712
1713 1713 /*
1714 1714 * 2 hours is an excessively reasonable amount of time for format operations.
1715 1715 */
1716 1716 #define SD_FMT_TIME (120 * 60)
1717 1717
1718 1718 /*
1719 1719 * 5 seconds is what we'll wait if we get a Busy Status back
1720 1720 */
1721 1721 #define SD_BSY_TIMEOUT (drv_usectohz(5 * 1000000))
1722 1722
1723 1723 /*
1724 1724 * 100 msec. is what we'll wait if we get Unit Attention.
1725 1725 */
1726 1726 #define SD_UA_RETRY_DELAY (drv_usectohz((clock_t)100000))
1727 1727
1728 1728 /*
1729 1729 * 100 msec. is what we'll wait for restarted commands.
1730 1730 */
1731 1731 #define SD_RESTART_TIMEOUT (drv_usectohz((clock_t)100000))
1732 1732
1733 1733 /*
1734 1734 * 10s misaligned I/O warning message interval
1735 1735 */
1736 1736 #define SD_RMW_MSG_PRINT_TIMEOUT (drv_usectohz((clock_t)10000000))
1737 1737
1738 1738 /*
|
↓ open down ↓ |
1738 lines elided |
↑ open up ↑ |
1739 1739 * 100 msec. is what we'll wait for certain retries for fibre channel
1740 1740 * targets, 0 msec for parallel SCSI.
1741 1741 */
1742 1742 #if defined(__fibre)
1743 1743 #define SD_RETRY_DELAY (drv_usectohz(100000))
1744 1744 #else
1745 1745 #define SD_RETRY_DELAY ((clock_t)0)
1746 1746 #endif
1747 1747
1748 1748 /*
1749 - * 60 seconds is what we will wait for to reset the
1750 - * throttle back to it SD_MAX_THROTTLE.
1751 - */
1752 -#define SD_RESET_THROTTLE_TIMEOUT 60
1753 -
1754 -/*
1755 1749 * Number of times we'll retry a normal operation.
1756 1750 *
1757 1751 * This includes retries due to transport failure
1758 1752 * (need to distinguish between Target and Transport failure)
1759 1753 *
1760 1754 */
1761 1755 #if defined(__fibre)
1762 1756 #define SD_RETRY_COUNT 3
1763 1757 #else
1764 1758 #define SD_RETRY_COUNT 5
1765 1759 #endif
1766 1760
1767 1761 /*
1768 1762 * Number of times we will retry for unit attention.
1769 1763 */
1770 1764 #define SD_UA_RETRY_COUNT 600
1771 1765
1772 1766 #define SD_VICTIM_RETRY_COUNT(un) (un->un_victim_retry_count)
1773 1767 #define CD_NOT_READY_RETRY_COUNT(un) (un->un_retry_count * 2)
1774 1768 #define DISK_NOT_READY_RETRY_COUNT(un) (un->un_retry_count / 2)
1775 1769
1776 1770
1777 1771 /*
1778 1772 * Maximum number of units we can support
1779 1773 * (controlled by room in minor device byte)
1780 1774 *
1781 1775 * Note: this value is out of date.
1782 1776 */
1783 1777 #define SD_MAXUNIT 32
1784 1778
1785 1779 /*
1786 1780 * 30 seconds is what we will wait for the IO to finish
1787 1781 * before we fail the DDI_SUSPEND
1788 1782 */
1789 1783 #define SD_WAIT_CMDS_COMPLETE 30
1790 1784
1791 1785 /*
1792 1786 * Prevent/allow media removal flags
1793 1787 */
1794 1788 #define SD_REMOVAL_ALLOW 0
1795 1789 #define SD_REMOVAL_PREVENT 1
1796 1790
1797 1791
1798 1792 /*
1799 1793 * Drive Types (and characteristics)
1800 1794 */
1801 1795 #define VIDMAX 8
1802 1796 #define PIDMAX 16
1803 1797
1804 1798
1805 1799 /*
1806 1800 * The following #defines and type definitions for the property
1807 1801 * processing component of the sd driver.
1808 1802 */
1809 1803
1810 1804
1811 1805 /* Miscellaneous Definitions */
1812 1806 #define SD_CONF_VERSION_1 1
1813 1807 #define SD_CONF_NOT_USED 32
1814 1808
1815 1809 /*
1816 1810 * "pm-capable" property values and macros
1817 1811 */
1818 1812 #define SD_PM_CAPABLE_UNDEFINED -1
1819 1813
1820 1814 #define SD_PM_CAPABLE_IS_UNDEFINED(pm_cap) \
1821 1815 (pm_cap == SD_PM_CAPABLE_UNDEFINED)
1822 1816
1823 1817 #define SD_PM_CAPABLE_IS_FALSE(pm_cap) \
1824 1818 ((pm_cap & PM_CAPABLE_PM_MASK) == 0)
1825 1819
1826 1820 #define SD_PM_CAPABLE_IS_TRUE(pm_cap) \
1827 1821 (!SD_PM_CAPABLE_IS_UNDEFINED(pm_cap) && \
1828 1822 ((pm_cap & PM_CAPABLE_PM_MASK) > 0))
1829 1823
1830 1824 #define SD_PM_CAPABLE_IS_SPC_4(pm_cap) \
1831 1825 ((pm_cap & PM_CAPABLE_PM_MASK) == PM_CAPABLE_SPC4)
1832 1826
1833 1827 #define SD_PM_CAP_LOG_SUPPORTED(pm_cap) \
1834 1828 ((pm_cap & PM_CAPABLE_LOG_SUPPORTED) ? TRUE : FALSE)
1835 1829
1836 1830 #define SD_PM_CAP_SMART_LOG(pm_cap) \
1837 1831 ((pm_cap & PM_CAPABLE_SMART_LOG) ? TRUE : FALSE)
1838 1832
1839 1833 /*
1840 1834 * Property data values used in static configuration table
1841 1835 * These are all based on device characteristics.
1842 1836 * For fibre channel devices, the throttle value is usually
1843 1837 * derived from the devices cmd Q depth divided by the number
1844 1838 * of supported initiators.
1845 1839 */
1846 1840 #define ELITE_THROTTLE_VALUE 10
1847 1841 #define SEAGATE_THROTTLE_VALUE 15
1848 1842 #define IBM_THROTTLE_VALUE 15
1849 1843 #define ST31200N_THROTTLE_VALUE 8
1850 1844 #define FUJITSU_THROTTLE_VALUE 15
1851 1845 #define SYMBIOS_THROTTLE_VALUE 16
1852 1846 #define SYMBIOS_NOTREADY_RETRIES 24
1853 1847 #define LSI_THROTTLE_VALUE 16
1854 1848 #define LSI_NOTREADY_RETRIES 24
1855 1849 #define LSI_OEM_NOTREADY_RETRIES 36
1856 1850 #define PURPLE_THROTTLE_VALUE 64
1857 1851 #define PURPLE_BUSY_RETRIES 60
1858 1852 #define PURPLE_RESET_RETRY_COUNT 36
1859 1853 #define PURPLE_RESERVE_RELEASE_TIME 60
1860 1854 #define SVE_BUSY_RETRIES 60
1861 1855 #define SVE_RESET_RETRY_COUNT 36
1862 1856 #define SVE_RESERVE_RELEASE_TIME 60
1863 1857 #define SVE_THROTTLE_VALUE 10
1864 1858 #define SVE_MIN_THROTTLE_VALUE 2
1865 1859 #define SVE_DISKSORT_DISABLED_FLAG 1
1866 1860 #define MASERATI_DISKSORT_DISABLED_FLAG 1
1867 1861 #define MASERATI_LUN_RESET_ENABLED_FLAG 1
1868 1862 #define PIRUS_THROTTLE_VALUE 64
1869 1863 #define PIRUS_NRR_COUNT 60
1870 1864 #define PIRUS_BUSY_RETRIES 60
1871 1865 #define PIRUS_RESET_RETRY_COUNT 36
1872 1866 #define PIRUS_MIN_THROTTLE_VALUE 16
1873 1867 #define PIRUS_DISKSORT_DISABLED_FLAG 0
1874 1868 #define PIRUS_LUN_RESET_ENABLED_FLAG 1
1875 1869
1876 1870 /*
1877 1871 * Driver Property Bit Flag definitions
1878 1872 *
1879 1873 * Unfortunately, for historical reasons, the bit-flag definitions are
1880 1874 * different on SPARC, INTEL, & FIBRE platforms.
1881 1875 */
1882 1876
1883 1877 /*
1884 1878 * Bit flag telling driver to set throttle from sd.conf sd-config-list
1885 1879 * and driver table.
1886 1880 *
1887 1881 * The max throttle (q-depth) property implementation is for support of
1888 1882 * fibre channel devices that can drop an i/o request when a queue fills
1889 1883 * up. The number of commands sent to the disk from this driver is
1890 1884 * regulated such that queue overflows are avoided.
1891 1885 */
1892 1886 #define SD_CONF_SET_THROTTLE 0
1893 1887 #define SD_CONF_BSET_THROTTLE (1 << SD_CONF_SET_THROTTLE)
1894 1888
1895 1889 /*
1896 1890 * Bit flag telling driver to set the controller type from sd.conf
1897 1891 * sd-config-list and driver table.
1898 1892 */
1899 1893 #if defined(__i386) || defined(__amd64)
1900 1894 #define SD_CONF_SET_CTYPE 1
1901 1895 #elif defined(__fibre)
1902 1896 #define SD_CONF_SET_CTYPE 5
1903 1897 #else
1904 1898 #define SD_CONF_SET_CTYPE 1
1905 1899 #endif
1906 1900 #define SD_CONF_BSET_CTYPE (1 << SD_CONF_SET_CTYPE)
1907 1901
1908 1902 /*
1909 1903 * Bit flag telling driver to set the not ready retry count for a device from
1910 1904 * sd.conf sd-config-list and driver table.
1911 1905 */
1912 1906 #if defined(__i386) || defined(__amd64)
1913 1907 #define SD_CONF_SET_NOTREADY_RETRIES 10
1914 1908 #elif defined(__fibre)
1915 1909 #define SD_CONF_SET_NOTREADY_RETRIES 1
1916 1910 #else
1917 1911 #define SD_CONF_SET_NOTREADY_RETRIES 2
1918 1912 #endif
1919 1913 #define SD_CONF_BSET_NRR_COUNT (1 << SD_CONF_SET_NOTREADY_RETRIES)
1920 1914
1921 1915 /*
1922 1916 * Bit flag telling driver to set SCSI status BUSY Retries from sd.conf
1923 1917 * sd-config-list and driver table.
1924 1918 */
1925 1919 #if defined(__i386) || defined(__amd64)
1926 1920 #define SD_CONF_SET_BUSY_RETRIES 11
1927 1921 #elif defined(__fibre)
1928 1922 #define SD_CONF_SET_BUSY_RETRIES 2
1929 1923 #else
1930 1924 #define SD_CONF_SET_BUSY_RETRIES 5
1931 1925 #endif
1932 1926 #define SD_CONF_BSET_BSY_RETRY_COUNT (1 << SD_CONF_SET_BUSY_RETRIES)
1933 1927
1934 1928 /*
1935 1929 * Bit flag telling driver that device does not have a valid/unique serial
1936 1930 * number.
1937 1931 */
1938 1932 #if defined(__i386) || defined(__amd64)
1939 1933 #define SD_CONF_SET_FAB_DEVID 2
1940 1934 #else
1941 1935 #define SD_CONF_SET_FAB_DEVID 3
1942 1936 #endif
1943 1937 #define SD_CONF_BSET_FAB_DEVID (1 << SD_CONF_SET_FAB_DEVID)
1944 1938
1945 1939 /*
1946 1940 * Bit flag telling driver to disable all caching for disk device.
1947 1941 */
1948 1942 #if defined(__i386) || defined(__amd64)
1949 1943 #define SD_CONF_SET_NOCACHE 3
1950 1944 #else
1951 1945 #define SD_CONF_SET_NOCACHE 4
1952 1946 #endif
1953 1947 #define SD_CONF_BSET_NOCACHE (1 << SD_CONF_SET_NOCACHE)
1954 1948
1955 1949 /*
1956 1950 * Bit flag telling driver that the PLAY AUDIO command requires parms in BCD
1957 1951 * format rather than binary.
1958 1952 */
1959 1953 #if defined(__i386) || defined(__amd64)
1960 1954 #define SD_CONF_SET_PLAYMSF_BCD 4
1961 1955 #else
1962 1956 #define SD_CONF_SET_PLAYMSF_BCD 6
1963 1957 #endif
1964 1958 #define SD_CONF_BSET_PLAYMSF_BCD (1 << SD_CONF_SET_PLAYMSF_BCD)
1965 1959
1966 1960 /*
1967 1961 * Bit flag telling driver that the response from the READ SUBCHANNEL command
1968 1962 * has BCD fields rather than binary.
1969 1963 */
1970 1964 #if defined(__i386) || defined(__amd64)
1971 1965 #define SD_CONF_SET_READSUB_BCD 5
1972 1966 #else
1973 1967 #define SD_CONF_SET_READSUB_BCD 7
1974 1968 #endif
1975 1969 #define SD_CONF_BSET_READSUB_BCD (1 << SD_CONF_SET_READSUB_BCD)
1976 1970
1977 1971 /*
1978 1972 * Bit in flags telling driver that the track number fields in the READ TOC
1979 1973 * request and respone are in BCD rather than binary.
1980 1974 */
1981 1975 #if defined(__i386) || defined(__amd64)
1982 1976 #define SD_CONF_SET_READ_TOC_TRK_BCD 6
1983 1977 #else
1984 1978 #define SD_CONF_SET_READ_TOC_TRK_BCD 8
1985 1979 #endif
1986 1980 #define SD_CONF_BSET_READ_TOC_TRK_BCD (1 << SD_CONF_SET_READ_TOC_TRK_BCD)
1987 1981
1988 1982 /*
1989 1983 * Bit flag telling driver that the address fields in the READ TOC request and
1990 1984 * respone are in BCD rather than binary.
1991 1985 */
1992 1986 #if defined(__i386) || defined(__amd64)
1993 1987 #define SD_CONF_SET_READ_TOC_ADDR_BCD 7
1994 1988 #else
1995 1989 #define SD_CONF_SET_READ_TOC_ADDR_BCD 9
1996 1990 #endif
1997 1991 #define SD_CONF_BSET_READ_TOC_ADDR_BCD (1 << SD_CONF_SET_READ_TOC_ADDR_BCD)
1998 1992
1999 1993 /*
2000 1994 * Bit flag telling the driver that the device doesn't support the READ HEADER
2001 1995 * command.
2002 1996 */
2003 1997 #if defined(__i386) || defined(__amd64)
2004 1998 #define SD_CONF_SET_NO_READ_HEADER 8
2005 1999 #else
2006 2000 #define SD_CONF_SET_NO_READ_HEADER 10
2007 2001 #endif
2008 2002 #define SD_CONF_BSET_NO_READ_HEADER (1 << SD_CONF_SET_NO_READ_HEADER)
2009 2003
2010 2004 /*
2011 2005 * Bit flag telling the driver that for the READ CD command the device uses
2012 2006 * opcode 0xd4 rather than 0xbe.
2013 2007 */
2014 2008 #if defined(__i386) || defined(__amd64)
2015 2009 #define SD_CONF_SET_READ_CD_XD4 9
2016 2010 #else
2017 2011 #define SD_CONF_SET_READ_CD_XD4 11
2018 2012 #endif
2019 2013 #define SD_CONF_BSET_READ_CD_XD4 (1 << SD_CONF_SET_READ_CD_XD4)
2020 2014
2021 2015 /*
2022 2016 * Bit flag telling the driver to set SCSI status Reset Retries
2023 2017 * (un_reset_retry_count) from sd.conf sd-config-list and driver table (4356701)
2024 2018 */
2025 2019 #define SD_CONF_SET_RST_RETRIES 12
2026 2020 #define SD_CONF_BSET_RST_RETRIES (1 << SD_CONF_SET_RST_RETRIES)
2027 2021
2028 2022 /*
2029 2023 * Bit flag telling the driver to set the reservation release timeout value
2030 2024 * from sd.conf sd-config-list and driver table. (4367306)
2031 2025 */
2032 2026 #define SD_CONF_SET_RSV_REL_TIME 13
2033 2027 #define SD_CONF_BSET_RSV_REL_TIME (1 << SD_CONF_SET_RSV_REL_TIME)
2034 2028
2035 2029 /*
2036 2030 * Bit flag telling the driver to verify that no commands are pending for a
2037 2031 * device before issuing a Test Unit Ready. This is a fw workaround for Seagate
2038 2032 * eliteI drives. (4392016)
2039 2033 */
2040 2034 #define SD_CONF_SET_TUR_CHECK 14
2041 2035 #define SD_CONF_BSET_TUR_CHECK (1 << SD_CONF_SET_TUR_CHECK)
2042 2036
2043 2037 /*
2044 2038 * Bit in flags telling driver to set min. throttle from ssd.conf
2045 2039 * ssd-config-list and driver table.
2046 2040 */
2047 2041 #define SD_CONF_SET_MIN_THROTTLE 15
2048 2042 #define SD_CONF_BSET_MIN_THROTTLE (1 << SD_CONF_SET_MIN_THROTTLE)
2049 2043
2050 2044 /*
2051 2045 * Bit in flags telling driver to set disksort disable flag from ssd.conf
2052 2046 * ssd-config-list and driver table.
2053 2047 */
2054 2048 #define SD_CONF_SET_DISKSORT_DISABLED 16
2055 2049 #define SD_CONF_BSET_DISKSORT_DISABLED (1 << SD_CONF_SET_DISKSORT_DISABLED)
2056 2050
2057 2051 /*
2058 2052 * Bit in flags telling driver to set LUN Reset enable flag from [s]sd.conf
2059 2053 * [s]sd-config-list and driver table.
2060 2054 */
2061 2055 #define SD_CONF_SET_LUN_RESET_ENABLED 17
2062 2056 #define SD_CONF_BSET_LUN_RESET_ENABLED (1 << SD_CONF_SET_LUN_RESET_ENABLED)
2063 2057
2064 2058 /*
2065 2059 * Bit in flags telling driver that the write cache on the device is
2066 2060 * non-volatile.
2067 2061 */
2068 2062 #define SD_CONF_SET_CACHE_IS_NV 18
2069 2063 #define SD_CONF_BSET_CACHE_IS_NV (1 << SD_CONF_SET_CACHE_IS_NV)
2070 2064
2071 2065 /*
2072 2066 * Bit in flags telling driver that the power condition flag from [s]sd.conf
2073 2067 * [s]sd-config-list and driver table.
2074 2068 */
2075 2069 #define SD_CONF_SET_PC_DISABLED 19
2076 2070 #define SD_CONF_BSET_PC_DISABLED (1 << SD_CONF_SET_PC_DISABLED)
2077 2071
2078 2072 /*
2079 2073 * This is the number of items currently settable in the sd.conf
2080 2074 * sd-config-list. The mask value is defined for parameter checking. The
2081 2075 * item count and mask should be updated when new properties are added.
2082 2076 */
2083 2077 #define SD_CONF_MAX_ITEMS 19
2084 2078 #define SD_CONF_BIT_MASK 0x0007FFFF
2085 2079
2086 2080 typedef struct {
2087 2081 int sdt_throttle;
2088 2082 int sdt_ctype;
2089 2083 int sdt_not_rdy_retries;
2090 2084 int sdt_busy_retries;
2091 2085 int sdt_reset_retries;
2092 2086 int sdt_reserv_rel_time;
2093 2087 int sdt_min_throttle;
2094 2088 int sdt_disk_sort_dis;
2095 2089 int sdt_lun_reset_enable;
2096 2090 int sdt_suppress_cache_flush;
2097 2091 int sdt_power_condition_dis;
2098 2092 } sd_tunables;
2099 2093
2100 2094 /* Type definition for static configuration table entries */
2101 2095 typedef struct sd_disk_config {
2102 2096 char device_id[25];
2103 2097 uint_t flags;
2104 2098 sd_tunables *properties;
2105 2099 } sd_disk_config_t;
2106 2100
2107 2101 /*
2108 2102 * first 2 bits of byte 4 options for 1bh command
2109 2103 */
2110 2104 #define SD_TARGET_STOP 0x00
2111 2105 #define SD_TARGET_START 0x01
2112 2106 #define SD_TARGET_EJECT 0x02
2113 2107 #define SD_TARGET_CLOSE 0x03
2114 2108
2115 2109 /*
2116 2110 * power condition of byte 4 for 1bh command
2117 2111 */
2118 2112 #define SD_TARGET_START_VALID 0x00
2119 2113 #define SD_TARGET_ACTIVE 0x01
2120 2114 #define SD_TARGET_IDLE 0x02
2121 2115 #define SD_TARGET_STANDBY 0x03
2122 2116
2123 2117
2124 2118 #define SD_MODE_SENSE_PAGE3_CODE 0x03
2125 2119 #define SD_MODE_SENSE_PAGE4_CODE 0x04
2126 2120
2127 2121 #define SD_MODE_SENSE_PAGE3_LENGTH \
2128 2122 (sizeof (struct mode_format) + MODE_PARAM_LENGTH)
2129 2123 #define SD_MODE_SENSE_PAGE4_LENGTH \
2130 2124 (sizeof (struct mode_geometry) + MODE_PARAM_LENGTH)
2131 2125
2132 2126 /*
2133 2127 * These command codes need to be moved to sys/scsi/generic/commands.h
2134 2128 */
2135 2129
2136 2130 /* Both versions of the Read CD command */
2137 2131
2138 2132 /* the official SCMD_READ_CD now comes from cdio.h */
2139 2133 #define SCMD_READ_CDD4 0xd4 /* the one used by some first */
2140 2134 /* generation ATAPI CD drives */
2141 2135
2142 2136 /* expected sector type filter values for Play and Read CD CDBs */
2143 2137 #define CDROM_SECTOR_TYPE_CDDA (1<<2) /* IEC 908:1987 (CDDA) */
2144 2138 #define CDROM_SECTOR_TYPE_MODE1 (2<<2) /* Yellow book 2048 bytes */
2145 2139 #define CDROM_SECTOR_TYPE_MODE2 (3<<2) /* Yellow book 2335 bytes */
2146 2140 #define CDROM_SECTOR_TYPE_MODE2_FORM1 (4<<2) /* 2048 bytes */
2147 2141 #define CDROM_SECTOR_TYPE_MODE2_FORM2 (5<<2) /* 2324 bytes */
2148 2142
2149 2143 /* READ CD filter bits (cdb[9]) */
2150 2144 #define CDROM_READ_CD_SYNC 0x80 /* read sync field */
2151 2145 #define CDROM_READ_CD_HDR 0x20 /* read four byte header */
2152 2146 #define CDROM_READ_CD_SUBHDR 0x40 /* read sub-header */
2153 2147 #define CDROM_READ_CD_ALLHDRS 0x60 /* read header and sub-header */
2154 2148 #define CDROM_READ_CD_USERDATA 0x10 /* read user data */
2155 2149 #define CDROM_READ_CD_EDC_ECC 0x08 /* read EDC and ECC field */
2156 2150 #define CDROM_READ_CD_C2 0x02 /* read C2 error data */
2157 2151 #define CDROM_READ_CD_C2_BEB 0x04 /* read C2 and Block Error Bits */
2158 2152
2159 2153
2160 2154 /*
2161 2155 * These belong in sys/scsi/generic/mode.h
2162 2156 */
2163 2157
2164 2158 /*
2165 2159 * Mode Sense/Select Header response for Group 2 CDB.
2166 2160 */
2167 2161
2168 2162 struct mode_header_grp2 {
2169 2163 uchar_t length_msb; /* MSB - number of bytes following */
2170 2164 uchar_t length_lsb;
2171 2165 uchar_t medium_type; /* device specific */
2172 2166 uchar_t device_specific; /* device specfic parameters */
2173 2167 uchar_t resv[2]; /* reserved */
2174 2168 uchar_t bdesc_length_hi; /* length of block descriptor(s) */
2175 2169 /* (if any) */
2176 2170 uchar_t bdesc_length_lo;
2177 2171 };
2178 2172
2179 2173 _NOTE(SCHEME_PROTECTS_DATA("Unshared data", mode_header_grp2))
2180 2174
2181 2175 /*
2182 2176 * Length of the Mode Parameter Header for the Group 2 Mode Select command
2183 2177 */
2184 2178 #define MODE_HEADER_LENGTH_GRP2 (sizeof (struct mode_header_grp2))
2185 2179 #define MODE_PARAM_LENGTH_GRP2 (MODE_HEADER_LENGTH_GRP2 + MODE_BLK_DESC_LENGTH)
2186 2180
2187 2181 /*
2188 2182 * Mode Page 1 - Error Recovery Page
2189 2183 */
2190 2184 #define MODEPAGE_ERR_RECOVER 1
2191 2185
2192 2186 /*
2193 2187 * The following buffer length define is 8 bytes for the Group 2 mode page
2194 2188 * header, 8 bytes for the block descriptor and 26 bytes for the cdrom
2195 2189 * capabilities page (per MMC-2)
2196 2190 */
2197 2191 #define MODEPAGE_CDROM_CAP 0x2A
2198 2192 #define MODEPAGE_CDROM_CAP_LEN 26
2199 2193 #define BUFLEN_MODE_CDROM_CAP (MODEPAGE_CDROM_CAP_LEN + \
2200 2194 MODE_HEADER_LENGTH_GRP2 + MODE_BLK_DESC_LENGTH)
2201 2195
2202 2196
2203 2197 /*
2204 2198 * Power management defines
2205 2199 */
2206 2200 #define SD_SPINDLE_UNINIT (-1)
2207 2201 #define SD_SPINDLE_OFF 0
2208 2202 #define SD_SPINDLE_ON 1
2209 2203 #define SD_SPINDLE_STOPPED 0
2210 2204 #define SD_SPINDLE_STANDBY 1
2211 2205 #define SD_SPINDLE_IDLE 2
2212 2206 #define SD_SPINDLE_ACTIVE 3
2213 2207 #define SD_PM_NOT_SUPPORTED 4
2214 2208
2215 2209 /*
2216 2210 * Power method flag
2217 2211 */
2218 2212 #define SD_START_STOP 0
2219 2213 #define SD_POWER_CONDITION 1
2220 2214
2221 2215
2222 2216 /*
2223 2217 * Number of power level for start stop or power condition
2224 2218 */
2225 2219 #define SD_PM_NUM_LEVEL_SSU_SS 2
2226 2220 #define SD_PM_NUM_LEVEL_SSU_PC 4
2227 2221
2228 2222 /*
2229 2223 * SD internal power state change flag
2230 2224 */
2231 2225 #define SD_PM_STATE_CHANGE 0
2232 2226 #define SD_PM_STATE_ROLLBACK 1
2233 2227
2234 2228 /*
2235 2229 * Power attribute table
2236 2230 */
2237 2231 typedef struct disk_power_attr_ss {
2238 2232 char *pm_comp[SD_PM_NUM_LEVEL_SSU_SS + 2]; /* pm component */
2239 2233 int ran_perf[SD_PM_NUM_LEVEL_SSU_SS]; /* random performance */
2240 2234 int pwr_saving[SD_PM_NUM_LEVEL_SSU_SS]; /* power saving */
2241 2235 int latency[SD_PM_NUM_LEVEL_SSU_SS]; /* latency */
2242 2236 }sd_power_attr_ss;
2243 2237
2244 2238 typedef struct disk_power_attr_pc {
2245 2239 char *pm_comp[SD_PM_NUM_LEVEL_SSU_PC + 2]; /* pm component */
2246 2240 int ran_perf[SD_PM_NUM_LEVEL_SSU_PC]; /* random performance */
2247 2241 int pwr_saving[SD_PM_NUM_LEVEL_SSU_PC]; /* power saving */
2248 2242 int latency[SD_PM_NUM_LEVEL_SSU_PC]; /* latency */
2249 2243 }sd_power_attr_pc;
2250 2244
2251 2245
2252 2246 /*
2253 2247 * No Need to resume if already in PM_SUSPEND state because the thread
2254 2248 * was suspended in sdpower. It will be resumed when sdpower is invoked to make
2255 2249 * the device active.
2256 2250 * When the thread is suspended, the watch thread is terminated and
2257 2251 * the token is NULLed so check for this condition.
2258 2252 * If there's a thread that can be resumed, ie. token is not NULL, then
2259 2253 * it can be resumed.
2260 2254 */
2261 2255 #define SD_OK_TO_RESUME_SCSI_WATCHER(un) (un->un_swr_token != NULL)
2262 2256 /*
2263 2257 * No Need to resume if already in PM_SUSPEND state because the thread
2264 2258 * was suspended in sdpower. It will be resumed when sdpower is invoked to make
2265 2259 * the device active.
2266 2260 * When the thread is suspended, the watch thread is terminated and
2267 2261 * the token is NULLed so check for this condition.
2268 2262 */
2269 2263 #define SD_OK_TO_SUSPEND_SCSI_WATCHER(un) (un->un_swr_token != NULL)
2270 2264 #define SD_DEVICE_IS_IN_LOW_POWER(un) ((un->un_f_pm_is_enabled) && \
2271 2265 (un->un_pm_count < 0))
2272 2266 #define SD_PM_STATE_ACTIVE(un) \
2273 2267 (un->un_f_power_condition_supported ? \
2274 2268 SD_SPINDLE_ACTIVE : SD_SPINDLE_ON)
2275 2269 #define SD_PM_STATE_STOPPED(un) \
2276 2270 (un->un_f_power_condition_supported ? \
2277 2271 SD_SPINDLE_STOPPED : SD_SPINDLE_OFF)
2278 2272 #define SD_PM_IS_LEVEL_VALID(un, level) \
2279 2273 ((un->un_f_power_condition_supported && \
2280 2274 level >= SD_SPINDLE_STOPPED && \
2281 2275 level <= SD_SPINDLE_ACTIVE) || \
2282 2276 (!un->un_f_power_condition_supported && \
2283 2277 level >= SD_SPINDLE_OFF && \
2284 2278 level <= SD_SPINDLE_ON))
2285 2279 #define SD_PM_IS_IO_CAPABLE(un, level) \
2286 2280 ((un->un_f_power_condition_supported && \
2287 2281 sd_pwr_pc.ran_perf[level] > 0) || \
2288 2282 (!un->un_f_power_condition_supported && \
2289 2283 sd_pwr_ss.ran_perf[level] > 0))
2290 2284 #define SD_PM_STOP_MOTOR_NEEDED(un, level) \
2291 2285 ((un->un_f_power_condition_supported && \
2292 2286 level <= SD_SPINDLE_STANDBY) || \
2293 2287 (!un->un_f_power_condition_supported && \
2294 2288 level == SD_SPINDLE_OFF))
2295 2289
2296 2290 /*
2297 2291 * Could move this define to some thing like log sense.h in SCSA headers
2298 2292 * But for now let it live here.
2299 2293 */
2300 2294 #define START_STOP_CYCLE_COUNTER_PAGE_SIZE 0x28
2301 2295 #define START_STOP_CYCLE_PAGE 0x0E
2302 2296 #define START_STOP_CYCLE_VU_PAGE 0x31
2303 2297
2304 2298 /* CD-ROM Error Recovery Parameters page (0x01) */
2305 2299 #define MODEPAGE_ERR_RECOV 0x1
2306 2300 #define BUFLEN_CHG_BLK_MODE MODE_HEADER_LENGTH + MODE_BLK_DESC_LENGTH
2307 2301
2308 2302 /*
2309 2303 * Vendor Specific (Toshiba) CD-ROM Speed page (0x31)
2310 2304 *
2311 2305 * The following buffer length define is 4 bytes for the Group 0 mode page
2312 2306 * header, 8 bytes for the block descriptor and 4 bytes for the mode speed page.
2313 2307 */
2314 2308 #define MODEPAGE_CDROM_SPEED_LEN 4
2315 2309 #define BUFLEN_MODE_CDROM_SPEED MODEPAGE_CDROM_SPEED_LEN +\
2316 2310 MODE_HEADER_LENGTH +\
2317 2311 MODE_BLK_DESC_LENGTH
2318 2312 #define SD_SPEED_1X 176
2319 2313
2320 2314 /* CD-ROM Audio Control Parameters page (0x0E) */
2321 2315 #define MODEPAGE_AUDIO_CTRL 0x0E
2322 2316 #define MODEPAGE_AUDIO_CTRL_LEN 16
2323 2317
2324 2318 /* CD-ROM Sony Read Offset Defines */
2325 2319 #define SONY_SESSION_OFFSET_LEN 12
2326 2320 #define SONY_SESSION_OFFSET_KEY 0x40
2327 2321 #define SONY_SESSION_OFFSET_VALID 0x0a
2328 2322
2329 2323 /*
2330 2324 * CD-ROM Write Protect Defines
2331 2325 *
2332 2326 * Bit 7 of the device specific field of the mode page header is the write
2333 2327 * protect bit.
2334 2328 */
2335 2329 #define WRITE_PROTECT 0x80
2336 2330
2337 2331 /*
2338 2332 * Define for the length of a profile header returned in response to the
2339 2333 * GET CONFIGURATION command
2340 2334 */
2341 2335 #define SD_PROFILE_HEADER_LEN 8 /* bytes */
2342 2336
2343 2337 /*
2344 2338 * Define the length of the data in response to the GET CONFIGURATION
2345 2339 * command. The 3rd byte of the feature descriptor contains the
2346 2340 * current feature field that is of interest. This field begins
2347 2341 * after the feature header which is 8 bytes. This variable length
2348 2342 * was increased in size from 11 to 24 because some devices became
2349 2343 * unresponsive with the smaller size.
2350 2344 */
2351 2345 #define SD_CURRENT_FEATURE_LEN 24 /* bytes */
2352 2346
2353 2347 /*
2354 2348 * Feature codes associated with GET CONFIGURATION command for supported
2355 2349 * devices.
2356 2350 */
2357 2351 #define RANDOM_WRITABLE 0x20
2358 2352 #define HARDWARE_DEFECT_MANAGEMENT 0x24
2359 2353
2360 2354 /*
2361 2355 * Could move this define to some thing like log sense.h in SCSA headers
2362 2356 * But for now let it live here.
2363 2357 */
2364 2358 #define TEMPERATURE_PAGE 0x0D
2365 2359 #define TEMPERATURE_PAGE_SIZE 16 /* bytes */
2366 2360
2367 2361 /* delay time used for sd_media_watch_cb delayed cv broadcast */
2368 2362 #define MEDIA_ACCESS_DELAY 2000000
2369 2363
2370 2364
2371 2365 /* SCSI power on or bus device reset additional sense code */
2372 2366 #define SD_SCSI_RESET_SENSE_CODE 0x29
2373 2367
2374 2368 /*
2375 2369 * These defines are for the Vital Product Data Pages in the inquiry command.
2376 2370 * They are the bits in the un_vpd_page mask, telling the supported pages.
2377 2371 */
2378 2372 #define SD_VPD_SUPPORTED_PG 0x01 /* 0x00 - Supported VPD pages */
2379 2373 #define SD_VPD_UNIT_SERIAL_PG 0x02 /* 0x80 - Unit Serial Number */
2380 2374 #define SD_VPD_OPERATING_PG 0x04 /* 0x81 - Implemented Op Defs */
2381 2375 #define SD_VPD_ASCII_OP_PG 0x08 /* 0x82 - ASCII Op Defs */
2382 2376 #define SD_VPD_DEVID_WWN_PG 0x10 /* 0x83 - Device Identification */
2383 2377 #define SD_VPD_EXTENDED_DATA_PG 0x80 /* 0x86 - Extended data about the lun */
2384 2378 #define SD_VPD_DEV_CHARACTER_PG 0x400 /* 0xB1 - Device Characteristics */
2385 2379
2386 2380 /*
2387 2381 * Non-volatile cache support
2388 2382 *
2389 2383 * Bit 1 of the byte 6 in the Extended INQUIRY data VPD page
2390 2384 * is NV_SUP bit: An NV_SUP bit set to one indicates that
2391 2385 * the device server supports a non-volatile cache. An
2392 2386 * NV_SUP bit set to zero indicates that the device
2393 2387 * server may or may not support a non-volatile cache.
2394 2388 *
2395 2389 * Bit 2 of the byte 1 in the SYNC CACHE command is SYNC_NV
2396 2390 * bit: The SYNC_NV bit specifies whether the device server
2397 2391 * is required to synchronize volatile and non-volatile
2398 2392 * caches.
2399 2393 */
2400 2394 #define SD_VPD_NV_SUP 0x02
2401 2395 #define SD_SYNC_NV_BIT 0x04
2402 2396
2403 2397 /*
2404 2398 * Addition from sddef.intel.h
2405 2399 */
2406 2400 #if defined(__i386) || defined(__amd64)
2407 2401
2408 2402 #define P0_RAW_DISK (NDKMAP)
2409 2403 #define FDISK_P1 (NDKMAP+1)
2410 2404 #define FDISK_P2 (NDKMAP+2)
2411 2405 #define FDISK_P3 (NDKMAP+3)
2412 2406 #define FDISK_P4 (NDKMAP+4)
2413 2407
2414 2408 #endif /* __i386 || __amd64 */
2415 2409
2416 2410 #ifdef __cplusplus
2417 2411 }
2418 2412 #endif
2419 2413
2420 2414
2421 2415 #endif /* _SYS_SCSI_TARGETS_SDDEF_H */
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