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