1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_SCSI_TARGETS_SDDEF_H 28 #define _SYS_SCSI_TARGETS_SDDEF_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 33 #include <sys/dktp/fdisk.h> 34 #include <sys/note.h> 35 #include <sys/mhd.h> 36 37 #ifdef __cplusplus 38 extern "C" { 39 #endif 40 41 42 #if defined(_KERNEL) || defined(_KMEMUSER) 43 44 45 #define SD_SUCCESS 0 46 #define SD_FAILURE (-1) 47 48 #if defined(TRUE) 49 #undef TRUE 50 #endif 51 52 #if defined(FALSE) 53 #undef FALSE 54 #endif 55 56 #define TRUE 1 57 #define FALSE 0 58 59 #if defined(VERBOSE) 60 #undef VERBOSE 61 #endif 62 63 #if defined(SILENT) 64 #undef SILENT 65 #endif 66 67 68 /* 69 * Fault Injection Flag for Inclusion of Code 70 * 71 * This should only be defined when SDDEBUG is defined 72 * #if DEBUG || lint 73 * #define SD_FAULT_INJECTION 74 * #endif 75 */ 76 77 #define VERBOSE 1 78 #define SILENT 0 79 80 /* 81 * Structures for recording whether a device is fully open or closed. 82 * Assumptions: 83 * 84 * + There are only 8 (sparc) or 16 (x86) disk slices possible. 85 * + BLK, MNT, CHR, SWP don't change in some future release! 86 */ 87 88 #if defined(_SUNOS_VTOC_8) 89 90 #define SDUNIT_SHIFT 3 91 #define SDPART_MASK 7 92 #define NSDMAP NDKMAP 93 94 #elif defined(_SUNOS_VTOC_16) 95 96 #define SDUNIT_SHIFT 6 97 #define SDPART_MASK 63 98 #define NSDMAP (NDKMAP + FD_NUMPART + 1) 99 100 #else 101 #error "No VTOC format defined." 102 #endif 103 104 105 #define SDUNIT(dev) (getminor((dev)) >> SDUNIT_SHIFT) 106 #define SDPART(dev) (getminor((dev)) & SDPART_MASK) 107 108 /* 109 * maximum number of partitions the driver keeps track of; with 110 * EFI this can be larger than the number of partitions accessible 111 * through the minor nodes. It won't be used for keeping track 112 * of open counts, partition kstats, etc. 113 */ 114 #define MAXPART (NSDMAP + 1) 115 116 /* 117 * Macro to retrieve the DDI instance number from the given buf struct. 118 * The instance number is encoded in the minor device number. 119 */ 120 #define SD_GET_INSTANCE_FROM_BUF(bp) \ 121 (getminor((bp)->b_edev) >> SDUNIT_SHIFT) 122 123 124 125 struct ocinfo { 126 /* 127 * Types BLK, MNT, CHR, SWP, 128 * assumed to be types 0-3. 129 */ 130 uint_t lyr_open[NSDMAP]; 131 uint_t reg_open[OTYPCNT - 1]; 132 }; 133 134 #define OCSIZE sizeof (struct ocinfo) 135 136 union ocmap { 137 uchar_t chkd[OCSIZE]; 138 struct ocinfo rinfo; 139 }; 140 141 #define lyropen rinfo.lyr_open 142 #define regopen rinfo.reg_open 143 144 145 /* 146 * fdisk partition mapping structure 147 */ 148 struct fmap { 149 daddr_t fmap_start; /* starting block number */ 150 daddr_t fmap_nblk; /* number of blocks */ 151 }; 152 153 /* 154 * cache structure for saving geometry from target and HBA. 155 */ 156 struct geom_cache { 157 unsigned int g_ncyl; 158 unsigned short g_acyl; 159 unsigned short g_nhead; 160 unsigned short g_nsect; 161 unsigned short g_secsize; 162 unsigned int g_capacity; 163 unsigned short g_intrlv; 164 unsigned short g_rpm; 165 }; 166 167 168 #define SD_CDB_GROUP0 0 169 #define SD_CDB_GROUP1 1 170 #define SD_CDB_GROUP5 2 171 #define SD_CDB_GROUP4 3 172 173 struct sd_cdbinfo { 174 uchar_t sc_grpcode; /* CDB group code */ 175 uchar_t sc_grpmask; /* CDB group code mask (for cmd opcode) */ 176 uint64_t sc_maxlba; /* Maximum logical block addr. supported */ 177 uint32_t sc_maxlen; /* Maximum transfer length supported */ 178 }; 179 180 181 182 /* 183 * The following declaration are for Non-512 byte block support for the 184 * removable devices. (ex - DVD RAM, MO). 185 * wm_state: This is an enumeration for the different states for 186 * manipalating write range list during the read-modify-write-operation. 187 */ 188 typedef enum { 189 SD_WM_CHK_LIST, /* Check list for overlapping writes */ 190 SD_WM_WAIT_MAP, /* Wait for an overlapping I/O to complete */ 191 SD_WM_LOCK_RANGE, /* Lock the range of lba to be written */ 192 SD_WM_DONE /* I/O complete */ 193 } wm_state; 194 195 /* 196 * sd_w_map: Every write I/O will get one w_map allocated for it which will tell 197 * the range on the media which is being written for that request. 198 */ 199 struct sd_w_map { 200 uint_t wm_start; /* Write start location */ 201 uint_t wm_end; /* Write end location */ 202 ushort_t wm_flags; /* State of the wmap */ 203 ushort_t wm_wanted_count; /* # of threads waiting for region */ 204 void *wm_private; /* Used to store bp->b_private */ 205 struct buf *wm_bufp; /* to store buf pointer */ 206 struct sd_w_map *wm_next; /* Forward pointed to sd_w_map */ 207 struct sd_w_map *wm_prev; /* Back pointer to sd_w_map */ 208 kcondvar_t wm_avail; /* Sleep on this, while not available */ 209 }; 210 211 _NOTE(MUTEX_PROTECTS_DATA(scsi_device::sd_mutex, sd_w_map::wm_flags)) 212 213 214 /* 215 * This is the struct for the layer-private data area for the 216 * mapblocksize layer. 217 */ 218 219 struct sd_mapblocksize_info { 220 void *mbs_oprivate; /* saved value of xb_private */ 221 struct buf *mbs_orig_bp; /* ptr to original bp */ 222 struct sd_w_map *mbs_wmp; /* ptr to write-map struct for RMW */ 223 ssize_t mbs_copy_offset; 224 int mbs_layer_index; /* chain index for RMW */ 225 }; 226 227 _NOTE(SCHEME_PROTECTS_DATA("unshared data", sd_mapblocksize_info)) 228 229 230 /* 231 * sd_lun: The main data structure for a scsi logical unit. 232 * Stored as the softstate structure for each device. 233 */ 234 235 struct sd_lun { 236 237 /* Back ptr to the SCSA scsi_device struct for this LUN */ 238 struct scsi_device *un_sd; 239 240 /* 241 * Support for Auto-Request sense capability 242 */ 243 struct buf *un_rqs_bp; /* ptr to request sense bp */ 244 struct scsi_pkt *un_rqs_pktp; /* ptr to request sense scsi_pkt */ 245 int un_sense_isbusy; /* Busy flag for RQS buf */ 246 247 /* 248 * These specify the layering chains to use with this instance. These 249 * are initialized according to the values in the sd_chain_index_map[] 250 * array. See the description of sd_chain_index_map[] for details. 251 */ 252 int un_buf_chain_type; 253 int un_uscsi_chain_type; 254 int un_direct_chain_type; 255 int un_priority_chain_type; 256 257 /* Head & tail ptrs to the queue of bufs awaiting transport */ 258 struct buf *un_waitq_headp; 259 struct buf *un_waitq_tailp; 260 261 /* Ptr to the buf currently being retried (NULL if none) */ 262 struct buf *un_retry_bp; 263 264 /* This tracks the last kstat update for the un_retry_bp buf */ 265 void (*un_retry_statp)(kstat_io_t *); 266 267 void *un_xbuf_attr; /* xbuf attribute struct */ 268 269 270 /* System logical block size, in bytes. (defaults to DEV_BSIZE.) */ 271 uint32_t un_sys_blocksize; 272 273 /* The size of a logical block on the target, in bytes. */ 274 uint32_t un_tgt_blocksize; 275 276 /* 277 * The number of logical blocks on the target. This is adjusted 278 * to be in terms of the block size specified by un_sys_blocksize 279 * (ie, the system block size). 280 */ 281 uint64_t un_blockcount; 282 283 /* 284 * Various configuration data 285 */ 286 uchar_t un_ctype; /* Controller type */ 287 char *un_node_type; /* minor node type */ 288 uchar_t un_interconnect_type; /* Interconnect for underlying HBA */ 289 290 uint_t un_notready_retry_count; /* Per disk notready retry count */ 291 uint_t un_busy_retry_count; /* Per disk BUSY retry count */ 292 293 uint_t un_retry_count; /* Per disk retry count */ 294 uint_t un_victim_retry_count; /* Per disk victim retry count */ 295 296 /* (4356701, 4367306) */ 297 uint_t un_reset_retry_count; /* max io retries before issuing reset */ 298 ushort_t un_reserve_release_time; /* reservation release timeout */ 299 300 uchar_t un_reservation_type; /* SCSI-3 or SCSI-2 */ 301 uint_t un_max_xfer_size; /* Maximum DMA transfer size */ 302 303 int un_mincdb; /* Smallest CDB to use */ 304 int un_maxcdb; /* Largest CDB to use */ 305 int un_status_len; 306 int un_pkt_flags; 307 308 /* 309 * Note: un_uscsi_timeout is a "mirror" of un_cmd_timeout, adjusted 310 * for ISCD(). Any updates to un_cmd_timeout MUST be reflected 311 * in un_uscsi_timeout as well! 312 */ 313 ushort_t un_cmd_timeout; /* Timeout for completion */ 314 ushort_t un_uscsi_timeout; /* Timeout for USCSI completion */ 315 316 /* 317 * Info on current states, statuses, etc. (Updated frequently) 318 */ 319 uchar_t un_state; /* current state */ 320 uchar_t un_last_state; /* last state */ 321 uchar_t un_last_pkt_reason; /* used to suppress multiple msgs */ 322 int un_tagflags; /* Pkt Flags for Tagged Queueing */ 323 short un_resvd_status; /* Reservation Status */ 324 ulong_t un_detach_count; /* !0 if executing detach routine */ 325 ulong_t un_layer_count; /* Current total # of layered opens */ 326 ulong_t un_opens_in_progress; /* Current # of threads in sdopen */ 327 328 ksema_t un_semoclose; /* serialize opens/closes */ 329 330 /* 331 * Control & status info for command throttling 332 */ 333 long un_ncmds_in_driver; /* number of cmds in driver */ 334 short un_ncmds_in_transport; /* number of cmds in transport */ 335 short un_throttle; /* max #cmds allowed in transport */ 336 short un_saved_throttle; /* saved value of un_throttle */ 337 short un_busy_throttle; /* saved un_throttle for BUSY */ 338 short un_min_throttle; /* min value of un_throttle */ 339 timeout_id_t un_reset_throttle_timeid; /* timeout(9F) handle */ 340 341 /* 342 * Multi-host (clustering) support 343 */ 344 opaque_t un_mhd_token; /* scsi watch request */ 345 timeout_id_t un_resvd_timeid; /* for resvd recover */ 346 347 /* Event callback resources (photon) */ 348 ddi_eventcookie_t un_insert_event; /* insert event */ 349 ddi_callback_id_t un_insert_cb_id; /* insert callback */ 350 ddi_eventcookie_t un_remove_event; /* remove event */ 351 ddi_callback_id_t un_remove_cb_id; /* remove callback */ 352 353 uint_t un_start_stop_cycle_page; /* Saves start/stop */ 354 /* cycle page */ 355 timeout_id_t un_dcvb_timeid; /* dlyd cv broadcast */ 356 357 /* 358 * Data structures for open counts, partition info, VTOC, 359 * stats, and other such bookkeeping info. 360 */ 361 union ocmap un_ocmap; /* open partition map */ 362 struct dk_map un_map[MAXPART]; /* logical partitions */ 363 diskaddr_t un_offset[MAXPART]; /* partition start blocks */ 364 struct kstat *un_pstats[NSDMAP]; /* partition statistics */ 365 struct dk_vtoc un_vtoc; /* disk VTOC */ 366 struct dk_geom un_g; /* disk geometry */ 367 struct kstat *un_stats; /* disk statistics */ 368 kstat_t *un_errstats; /* for error statistics */ 369 uint_t un_exclopen; /* exclusive open bitmask */ 370 ddi_devid_t un_devid; /* device id */ 371 uint_t un_vpd_page_mask; /* Supported VPD pages */ 372 uchar_t un_asciilabel[LEN_DKL_ASCII]; /* Disk ASCII label */ 373 374 /* 375 * Support for drives with 'fdisk' type partitions. (See fdisk.h) 376 * 377 * On a drive with an fdisk-type of partition table, un_blockcount 378 * will specify the size of the entire disk, and un_solaris_size 379 * denotes the size of the fdisk partition where Solaris resides. 380 * Also un_solaris_offset specifies the offset from block 0 on the 381 * drive to the first block of the Solaris partiton. 382 * 383 * If the disk does not have an fdisk partition table, then 384 * un_blockcount and un_solaris_size should be identical. 385 * 386 * Note that under this scheme, only a single active Solaris 387 * partition can be supported at any one time. 388 */ 389 daddr_t un_solaris_size; /* size of Solaris partition */ 390 uint_t un_solaris_offset; /* offset to Solaris part. */ 391 ushort_t un_dkg_skew; /* skew */ 392 struct fmap un_fmap[FD_NUMPART]; /* fdisk partitions */ 393 394 /* 395 * This is the HBAs current notion of the geometry of the drive, 396 * for HBAs that support the "geometry" property. 397 */ 398 struct geom_cache un_lgeom; 399 400 /* 401 * This is the geometry of the device as reported by the MODE SENSE, 402 * command, Page 3 (Format Device Page) and Page 4 (Rigid Disk Drive 403 * Geometry Page), assuming MODE SENSE is supported by the target. 404 */ 405 struct geom_cache un_pgeom; 406 407 /* 408 * Bit fields for various configuration/state/status info. 409 * Comments indicate the condition if the value of the 410 * variable is TRUE (nonzero). 411 */ 412 uint32_t 413 un_f_arq_enabled :1, /* Auto request sense is */ 414 /* currently enabled */ 415 un_f_blockcount_is_valid :1, /* The un_blockcount */ 416 /* value is currently valid */ 417 un_f_tgt_blocksize_is_valid :1, /* The un_tgt_blocksize */ 418 /* value is currently valid */ 419 un_f_geometry_is_valid :1, /* The geometry of the */ 420 /* target is currently valid */ 421 un_f_allow_bus_device_reset :1, /* Driver may issue a BDR as */ 422 /* a part of error recovery. */ 423 un_f_is_fibre :1, /* The device supports fibre */ 424 /* channel */ 425 un_f_available :1, /* Not use */ 426 /* available */ 427 un_f_format_in_progress :1, /* The device is currently */ 428 /* executing a FORMAT cmd. */ 429 un_f_opt_queueing :1, /* Enable Command Queuing to */ 430 /* Host Adapter */ 431 un_f_opt_fab_devid :1, /* Disk has no valid/unique */ 432 /* serial number. */ 433 un_f_opt_disable_cache :1, /* Read/Write disk cache is */ 434 /* disabled. */ 435 un_f_cfg_is_atapi :1, /* This is an ATAPI device. */ 436 un_f_cfg_obsolete :1, /* available for reuse */ 437 un_f_cfg_playmsf_bcd :1, /* Play Audio, BCD params. */ 438 un_f_cfg_readsub_bcd :1, /* READ SUBCHANNEL BCD resp. */ 439 un_f_cfg_read_toc_trk_bcd :1, /* track # is BCD */ 440 un_f_cfg_read_toc_addr_bcd :1, /* address is BCD */ 441 un_f_cfg_no_read_header :1, /* READ HEADER not supported */ 442 un_f_cfg_read_cd_xd4 :1, /* READ CD opcode is 0xd4 */ 443 un_f_mmc_cap :1, /* Device is MMC compliant */ 444 un_f_mmc_writable_media :1, /* writable media in device */ 445 un_f_dvdram_writable_device :1, /* DVDRAM device is writable */ 446 un_f_cfg_cdda :1, /* READ CDDA supported */ 447 un_f_cfg_tur_check :1, /* verify un_ncmds before tur */ 448 449 un_f_use_adaptive_throttle :1, /* enable/disable adaptive */ 450 /* throttling */ 451 un_f_pm_is_enabled :1, /* PM is enabled on this */ 452 /* instance */ 453 un_f_watcht_stopped :1, /* media watch thread flag */ 454 un_f_pkstats_enabled :1, /* Flag to determine if */ 455 /* partition kstats are */ 456 /* enabled. */ 457 un_f_disksort_disabled :1, /* Flag to disable disksort */ 458 un_f_lun_reset_enabled :1, /* Set if target supports */ 459 /* SCSI Logical Unit Reset */ 460 un_f_doorlock_supported :1, /* Device supports Doorlock */ 461 un_f_start_stop_supported :1; /* device has motor */ 462 463 464 /* Ptr to table of strings for ASC/ASCQ error message printing */ 465 struct scsi_asq_key_strings *un_additional_codes; 466 467 /* 468 * Power Management support. 469 * 470 * un_pm_mutex protects, un_pm_count, un_pm_timeid, un_pm_busy, 471 * un_pm_busy_cv, and un_pm_idle_timeid. 472 * It's not required that SD_MUTEX be acquired before acquiring 473 * un_pm_mutex, however if they must both be held 474 * then acquire SD_MUTEX first. 475 * 476 * un_pm_count is used to indicate PM state as follows: 477 * less than 0 the device is powered down, 478 * transition from 0 ==> 1, mark the device as busy via DDI 479 * transition from 1 ==> 0, mark the device as idle via DDI 480 */ 481 kmutex_t un_pm_mutex; 482 int un_pm_count; /* indicates pm state */ 483 timeout_id_t un_pm_timeid; /* timeout id for pm */ 484 uint_t un_pm_busy; 485 kcondvar_t un_pm_busy_cv; 486 int un_pm_capable_prop; /* "pm-capable" prop value */ 487 short un_power_level; /* Power Level */ 488 uchar_t un_save_state; 489 kcondvar_t un_suspend_cv; /* power management */ 490 kcondvar_t un_disk_busy_cv; /* wait for IO completion */ 491 492 /* Resources used for media change callback support */ 493 kcondvar_t un_state_cv; /* Cond Var on mediastate */ 494 enum dkio_state un_mediastate; /* current media state */ 495 enum dkio_state un_specified_mediastate; /* expected state */ 496 opaque_t un_swr_token; /* scsi_watch request token */ 497 498 /* Non-512 byte block support */ 499 struct kmem_cache *un_wm_cache; /* fast alloc in non-512 write case */ 500 uint_t un_rmw_count; /* count of read-modify-writes */ 501 struct sd_w_map *un_wm; /* head of sd_w_map chain */ 502 503 /* For timeout callback to issue a START STOP UNIT command */ 504 timeout_id_t un_startstop_timeid; 505 506 /* Timeout callback handle for SD_PATH_DIRECT_PRIORITY cmd restarts */ 507 timeout_id_t un_direct_priority_timeid; 508 509 /* TRAN_FATAL_ERROR count. Cleared by TRAN_ACCEPT from scsi_transport */ 510 ulong_t un_tran_fatal_count; 511 512 timeout_id_t un_retry_timeid; 513 514 time_t un_pm_idle_time; 515 timeout_id_t un_pm_idle_timeid; 516 517 /* 518 * Count to determine if a Sonoma controller is in the process of 519 * failing over, and how many I/O's are failed with the 05/94/01 520 * sense code. 521 */ 522 uint_t un_sonoma_failure_count; 523 int un_reserved; /* reserved partition # */ 524 525 /* 526 * Support for failfast operation. 527 */ 528 struct buf *un_failfast_bp; 529 struct buf *un_failfast_headp; 530 struct buf *un_failfast_tailp; 531 uint32_t un_failfast_state; 532 /* Callback routine active counter */ 533 short un_in_callback; 534 535 /* 536 * Another bit fields for various configuration/state/status info. 537 * Comments indicate the condition if the value of the 538 * variable is TRUE (nonzero). 539 */ 540 uint32_t 541 un_f_cfg_is_lsi :1, /* Is LSI device, default to NO */ 542 un_f_pad_uint32 :1; /* padding, 31 bits available */ 543 544 #ifdef SD_FAULT_INJECTION 545 /* SD Fault Injection */ 546 #define SD_FI_MAX_BUF 65536 547 #define SD_FI_MAX_ERROR 1024 548 kmutex_t un_fi_mutex; 549 uint_t sd_fi_buf_len; 550 char sd_fi_log[SD_FI_MAX_BUF]; 551 struct sd_fi_pkt *sd_fi_fifo_pkt[SD_FI_MAX_ERROR]; 552 struct sd_fi_xb *sd_fi_fifo_xb[SD_FI_MAX_ERROR]; 553 struct sd_fi_un *sd_fi_fifo_un[SD_FI_MAX_ERROR]; 554 struct sd_fi_arq *sd_fi_fifo_arq[SD_FI_MAX_ERROR]; 555 uint_t sd_fi_fifo_start; 556 uint_t sd_fi_fifo_end; 557 uint_t sd_injection_mask; 558 #endif 559 560 561 }; 562 563 564 /* 565 * Macros for conversions between "target" and "system" block sizes, and 566 * for conversion between block counts and byte counts. As used here, 567 * "system" block size refers to the block size used by the kernel/ 568 * filesystem (this includes the disk label). The "target" block size 569 * is the block size returned by the SCSI READ CAPACITY command. 570 * 571 * Note: These macros will round up to the next largest blocksize to accomodate 572 * the number of blocks specified. 573 */ 574 575 /* Convert a byte count to a number of target blocks */ 576 #define SD_BYTES2TGTBLOCKS(un, bytecount) \ 577 ((bytecount + (un->un_tgt_blocksize - 1))/un->un_tgt_blocksize) 578 579 /* Convert a target block count to a number of bytes */ 580 #define SD_TGTBLOCKS2BYTES(un, blockcount) \ 581 (blockcount * (un)->un_tgt_blocksize) 582 583 /* Convert a byte count to a number of system blocks */ 584 #define SD_BYTES2SYSBLOCKS(un, bytecount) \ 585 ((bytecount + (un->un_sys_blocksize - 1))/un->un_sys_blocksize) 586 587 /* Convert a system block count to a number of bytes */ 588 #define SD_SYSBLOCKS2BYTES(un, blockcount) \ 589 (blockcount * (un)->un_sys_blocksize) 590 591 /* 592 * Calculate the number of bytes needed to hold the requested number of bytes 593 * based upon the native target sector/block size 594 */ 595 #define SD_REQBYTES2TGTBYTES(un, bytecount) \ 596 (SD_BYTES2TGTBLOCKS(un, bytecount) * (un)->un_tgt_blocksize) 597 598 /* 599 * Calculate the byte offset from the beginning of the target block 600 * to the system block location. 601 */ 602 #define SD_TGTBYTEOFFSET(un, sysblk, tgtblk) \ 603 (SD_SYSBLOCKS2BYTES(un, sysblk) - SD_TGTBLOCKS2BYTES(un, tgtblk)) 604 605 /* 606 * Calculate the target block location from the system block location 607 */ 608 #define SD_SYS2TGTBLOCK(un, blockcnt) \ 609 ((blockcnt * un->un_sys_blocksize) / un->un_tgt_blocksize) 610 611 /* 612 * SD_DEFAULT_MAX_XFER_SIZE is the default value to bound the max xfer 613 * for physio, for devices without tagged queuing enabled. 614 * The default for devices with tagged queuing enabled is SD_MAX_XFER_SIZE 615 */ 616 #if defined(__i386) || defined(__amd64) 617 #define SD_DEFAULT_MAX_XFER_SIZE (256 * 1024) 618 #endif 619 #define SD_MAX_XFER_SIZE (1024 * 1024) 620 621 622 #if defined(__i386) || defined(__amd64) 623 #ifndef _lock_lint 624 #undef _NOTE 625 #define _NOTE(s) 626 #endif 627 #endif 628 629 630 /* 631 * Warlock annotations 632 */ 633 634 _NOTE(MUTEX_PROTECTS_DATA(scsi_device::sd_mutex, sd_lun)) 635 _NOTE(READ_ONLY_DATA(sd_lun::un_sd)) 636 _NOTE(DATA_READABLE_WITHOUT_LOCK(sd_lun::un_reservation_type)) 637 638 639 #if defined(__i386) || defined(__amd64) 640 _NOTE(READ_ONLY_DATA(sd_lun::un_f_arq_enabled)) 641 #else 642 _NOTE(DATA_READABLE_WITHOUT_LOCK(sd_lun::un_f_arq_enabled)) 643 #endif 644 645 _NOTE(DATA_READABLE_WITHOUT_LOCK(sd_lun::un_ctype)) 646 647 _NOTE(SCHEME_PROTECTS_DATA("safe sharing", 648 sd_lun::un_mhd_token 649 sd_lun::un_state 650 sd_lun::un_tagflags 651 sd_lun::un_f_format_in_progress 652 sd_lun::un_f_geometry_is_valid 653 sd_lun::un_resvd_timeid 654 sd_lun::un_reset_throttle_timeid 655 sd_lun::un_startstop_timeid 656 sd_lun::un_dcvb_timeid 657 sd_lun::un_f_allow_bus_device_reset 658 sd_lun::un_sys_blocksize 659 sd_lun::un_tgt_blocksize)) 660 661 _NOTE(SCHEME_PROTECTS_DATA("stable data", 662 sd_lun::un_reserve_release_time 663 sd_lun::un_max_xfer_size 664 sd_lun::un_offset 665 sd_lun::un_map 666 sd_lun::un_f_is_fibre 667 sd_lun::un_node_type 668 sd_lun::un_buf_chain_type 669 sd_lun::un_uscsi_chain_type 670 sd_lun::un_direct_chain_type 671 sd_lun::un_priority_chain_type 672 sd_lun::un_xbuf_attr)) 673 674 _NOTE(SCHEME_PROTECTS_DATA("Unshared data", 675 block_descriptor 676 buf 677 cdrom_subchnl 678 cdrom_tocentry 679 cdrom_tochdr 680 cdrom_read 681 dk_cinfo 682 dk_devid 683 dk_geom 684 dk_label 685 dk_map 686 dk_temperature 687 geom_cache 688 mhioc_inkeys 689 mhioc_inresvs 690 mode_header 691 mode_speed 692 scsi_cdb 693 scsi_arq_status 694 scsi_extended_sense 695 scsi_inquiry 696 scsi_pkt 697 uio 698 uscsi_cmd)) 699 700 701 _NOTE(SCHEME_PROTECTS_DATA("stable data", scsi_device dk_cinfo)) 702 _NOTE(SCHEME_PROTECTS_DATA("unique per pkt", scsi_status scsi_cdb)) 703 704 _NOTE(MUTEX_PROTECTS_DATA(sd_lun::un_pm_mutex, sd_lun::un_pm_count 705 sd_lun::un_pm_timeid sd_lun::un_pm_busy sd_lun::un_pm_busy_cv 706 sd_lun::un_pm_idle_timeid)) 707 708 #ifdef SD_FAULT_INJECTION 709 _NOTE(MUTEX_PROTECTS_DATA(sd_lun::un_fi_mutex, 710 sd_lun::sd_fi_buf_len sd_lun::sd_fi_log)) 711 #endif 712 713 /* _NOTE(LOCK_ORDER(sd_lun::un_sd.sd_mutex sd_lun::un_pm_mutex)) */ 714 715 716 717 /* 718 * Referenced for frequently-accessed members of the unit structure 719 */ 720 #define SD_SCSI_DEVP(un) ((un)->un_sd) 721 #define SD_DEVINFO(un) ((un)->un_sd->sd_dev) 722 #define SD_INQUIRY(un) ((un)->un_sd->sd_inq) 723 #define SD_MUTEX(un) (&((un)->un_sd->sd_mutex)) 724 #define SD_ADDRESS(un) (&((un)->un_sd->sd_address)) 725 #define SD_GET_DEV(un) (sd_make_device(SD_DEVINFO(un))) 726 727 728 /* 729 * Values for un_ctype 730 */ 731 #define CTYPE_CDROM 0 732 #define CTYPE_MD21 1 /* Obsolete! */ 733 #define CTYPE_CCS 2 734 #define CTYPE_ROD 3 735 #define CTYPE_PXRE 4 /* Obsolete! */ 736 737 #define ISCD(un) ((un)->un_ctype == CTYPE_CDROM) 738 #define ISROD(un) ((un)->un_ctype == CTYPE_ROD) 739 #define ISPXRE(un) ((un)->un_ctype == CTYPE_PXRE) 740 #define ISREMOVABLE(un) (ISCD(un) || (un)->un_sd->sd_inq->inq_rmb) 741 742 /* 743 * This macro checks the vendor of the device to see if it is LSI. Because 744 * LSI has some devices out there that return 'Symbios' or 'SYMBIOS', we 745 * need to check for those also. 746 * 747 * This is used in some vendor specific checks. 748 */ 749 #define SD_IS_LSI(un) ((un)->un_f_cfg_is_lsi == TRUE) 750 751 /* 752 * Macros to check if the lun is a Sun T3 or a T4 753 */ 754 #define SD_IS_T3(un) \ 755 ((bcmp(SD_INQUIRY(un)->inq_vid, "SUN", 3) == 0) && \ 756 (bcmp(SD_INQUIRY(un)->inq_pid, "T3", 2) == 0)) 757 758 #define SD_IS_T4(un) \ 759 ((bcmp(SD_INQUIRY(un)->inq_vid, "SUN", 3) == 0) && \ 760 (bcmp(SD_INQUIRY(un)->inq_pid, "T4", 2) == 0)) 761 762 /* 763 * Macros for non-512 byte writes to removable devices. 764 */ 765 #define NOT_DEVBSIZE(un) \ 766 (ISREMOVABLE(un) && ((un)->un_tgt_blocksize != (un)->un_sys_blocksize)) 767 768 /* 769 * Check that a write map, used for locking lba ranges for writes, is in 770 * the linked list. 771 */ 772 #define ONLIST(un, wmp) \ 773 (((un)->un_wm == (wmp)) || ((wmp)->wm_prev != NULL)) 774 775 /* 776 * Free a write map which is on list. Basically make sure that nobody is 777 * sleeping on it before freeing it. 778 */ 779 #define FREE_ONLIST_WMAP(un, wmp) \ 780 if (!(wmp)->wm_wanted_count) { \ 781 sd_free_inlist_wmap((un), (wmp)); \ 782 (wmp) = NULL; \ 783 } 784 785 #define CHK_N_FREEWMP(un, wmp) \ 786 if (!ONLIST((un), (wmp))) { \ 787 kmem_cache_free((un)->un_wm_cache, (wmp)); \ 788 (wmp) = NULL; \ 789 } else { \ 790 FREE_ONLIST_WMAP((un), (wmp)); \ 791 } 792 793 /* 794 * Values used to in wm_flags field of sd_w_map. 795 */ 796 #define SD_WTYPE_SIMPLE 0x001 /* Write aligned at blksize boundary */ 797 #define SD_WTYPE_RMW 0x002 /* Write requires read-modify-write */ 798 #define SD_WM_BUSY 0x100 /* write-map is busy */ 799 800 801 /* Device error kstats */ 802 struct sd_errstats { 803 struct kstat_named sd_softerrs; 804 struct kstat_named sd_harderrs; 805 struct kstat_named sd_transerrs; 806 struct kstat_named sd_vid; 807 struct kstat_named sd_pid; 808 struct kstat_named sd_revision; 809 struct kstat_named sd_serial; 810 struct kstat_named sd_capacity; 811 struct kstat_named sd_rq_media_err; 812 struct kstat_named sd_rq_ntrdy_err; 813 struct kstat_named sd_rq_nodev_err; 814 struct kstat_named sd_rq_recov_err; 815 struct kstat_named sd_rq_illrq_err; 816 struct kstat_named sd_rq_pfa_err; 817 }; 818 819 820 /* 821 * Structs and definitions for SCSI-3 Persistent Reservation 822 */ 823 typedef struct sd_prin_readkeys { 824 uint32_t generation; 825 uint32_t len; 826 mhioc_resv_key_t *keylist; 827 } sd_prin_readkeys_t; 828 829 typedef struct sd_readresv_desc { 830 mhioc_resv_key_t resvkey; 831 uint32_t scope_specific_addr; 832 uint8_t reserved_1; 833 #if defined(_BIT_FIELDS_LTOH) 834 uint8_t type:4, 835 scope:4; 836 #elif defined(_BIT_FIELDS_HTOL) 837 uint8_t scope:4, 838 type:4; 839 #else 840 #error One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined 841 #endif /* _BIT_FIELDS_LTOH */ 842 uint8_t reserved_2; 843 uint8_t reserved_3; 844 } sd_readresv_desc_t; 845 846 typedef struct sd_prin_readresv { 847 uint32_t generation; 848 uint32_t len; 849 sd_readresv_desc_t *readresv_desc; 850 } sd_prin_readresv_t; 851 852 typedef struct sd_prout { 853 uchar_t res_key[MHIOC_RESV_KEY_SIZE]; 854 uchar_t service_key[MHIOC_RESV_KEY_SIZE]; 855 uint32_t scope_address; 856 #if defined(_BIT_FIELDS_LTOH) 857 uchar_t aptpl:1, 858 reserved:7; 859 #elif defined(_BIT_FIELDS_HTOL) 860 uchar_t reserved:7, 861 aptpl:1; 862 #else 863 #error One of _BIT_FIELDS_LTOH or _BIT_FIELDS_HTOL must be defined 864 #endif /* _BIT_FIELDS_LTOH */ 865 uchar_t reserved_1; 866 uint16_t ext_len; 867 } sd_prout_t; 868 869 #define SD_READ_KEYS 0x00 870 #define SD_READ_RESV 0x01 871 872 #define SD_SCSI3_REGISTER 0x00 873 #define SD_SCSI3_RESERVE 0x01 874 #define SD_SCSI3_RELEASE 0x02 875 #define SD_SCSI3_PREEMPTANDABORT 0x05 876 #define SD_SCSI3_REGISTERANDIGNOREKEY 0x06 877 878 /* 879 * Note: The default init of un_reservation_type is to the value of '0' 880 * (from the ddi_softs_state_zalloc) which means it is defaulting to SCSI-3 881 * reservation type. This is ok because during attach we use a SCSI-3 882 * PRIORITY RESERVE IN command to determine the reservation type, and set 883 * un_reservation_type for all cases. 884 */ 885 #define SD_SCSI3_RESERVATION 0x0 886 #define SD_SCSI2_RESERVATION 0x1 887 #define SCSI3_RESV_DESC_LEN 16 888 889 /* 890 * Reservation Status's 891 */ 892 #define SD_RELEASE 0x0000 893 #define SD_RESERVE 0x0001 894 #define SD_TKOWN 0x0002 895 #define SD_LOST_RESERVE 0x0004 896 #define SD_FAILFAST 0x0080 897 #define SD_WANT_RESERVE 0x0100 898 #define SD_RESERVATION_CONFLICT 0x0200 899 #define SD_PRIORITY_RESERVE 0x0400 900 901 #define SD_TARGET_IS_UNRESERVED 0 902 #define SD_TARGET_IS_RESERVED 1 903 904 /* 905 * Save page in mode_select 906 */ 907 #define SD_DONTSAVE_PAGE 0 908 #define SD_SAVE_PAGE 1 909 910 /* 911 * Delay before reclaiming reservation is 6 seconds, in units of micro seconds 912 */ 913 #define SD_REINSTATE_RESV_DELAY 6000000 914 915 #define SD_MODE2_BLKSIZE 2336 /* bytes */ 916 917 /* 918 * Resource type definitions for multi host control operations. Specifically, 919 * queue and request definitions for reservation request handling between the 920 * scsi facility callback function (sd_mhd_watch_cb) and the reservation 921 * reclaim thread (sd_resv_reclaim_thread) 922 */ 923 struct sd_thr_request { 924 dev_t dev; 925 struct sd_thr_request *sd_thr_req_next; 926 }; 927 928 struct sd_resv_reclaim_request { 929 kthread_t *srq_resv_reclaim_thread; 930 struct sd_thr_request *srq_thr_req_head; 931 struct sd_thr_request *srq_thr_cur_req; 932 kcondvar_t srq_inprocess_cv; 933 kmutex_t srq_resv_reclaim_mutex; 934 kcondvar_t srq_resv_reclaim_cv; 935 }; 936 937 _NOTE(MUTEX_PROTECTS_DATA(sd_resv_reclaim_request::srq_resv_reclaim_mutex, 938 sd_resv_reclaim_request)) 939 _NOTE(SCHEME_PROTECTS_DATA("unshared data", sd_thr_request)) 940 _NOTE(SCHEME_PROTECTS_DATA("Unshared data", sd_prout)) 941 942 943 944 /* 945 * Driver Logging Components 946 * 947 * These components cover the functional entry points and areas of the 948 * driver. A component value is used for the entry point and utility 949 * functions used by the entry point. The common component value is used 950 * in those routines that are called from many areas of the driver. 951 * 952 * This can be done by adding the following two lines to /etc/system: 953 * set sd:sd_component_mask=0x00080000 954 * set sd:sd_level_mask=0x00000008 955 */ 956 #define SD_LOG_PROBE 0x00000001 957 #define SD_LOG_ATTACH_DETACH 0x00000002 958 #define SD_LOG_OPEN_CLOSE 0x00000004 959 #define SD_LOG_READ_WRITE 0x00000008 960 #define SD_LOG_POWER 0x00000010 961 #define SD_LOG_IOCTL 0x00000020 962 #define SD_LOG_IOCTL_MHD 0x00000040 963 #define SD_LOG_IOCTL_RMMEDIA 0x00000080 964 #define SD_LOG_IOCTL_DKIO 0x00000100 965 #define SD_LOG_IO 0x00000200 966 #define SD_LOG_IO_CORE 0x00000400 967 #define SD_LOG_IO_DISKSORT 0x00000800 968 #define SD_LOG_IO_PARTITION 0x00001000 969 #define SD_LOG_IO_RMMEDIA 0x00002000 970 #define SD_LOG_IO_CHKSUM 0x00004000 971 #define SD_LOG_IO_SDIOCTL 0x00008000 972 #define SD_LOG_IO_PM 0x00010000 973 #define SD_LOG_ERROR 0x00020000 974 #define SD_LOG_DUMP 0x00040000 975 #define SD_LOG_COMMON 0x00080000 976 #define SD_LOG_SDTEST 0x00100000 977 #define SD_LOG_IOERR 0x00200000 978 #define SD_LOG_IO_FAILFAST 0x00400000 979 980 /* Driver Logging Levels */ 981 #define SD_LOGMASK_ERROR 0x00000001 982 #define SD_LOGMASK_DUMP_MEM 0x00000002 983 #define SD_LOGMASK_INFO 0x00000004 984 #define SD_LOGMASK_TRACE 0x00000008 985 #define SD_LOGMASK_DIAG 0x00000010 986 987 /* Driver Logging Formats */ 988 #define SD_LOG_HEX 0x00000001 989 #define SD_LOG_CHAR 0x00000002 990 991 /* 992 * The following macros should be used to log driver debug information 993 * only. The output is filtered according to the component and level mask 994 * values. Non-debug information, such as driver warnings intended for 995 * the user should be logged via the scsi_log facility to ensure that 996 * they are not filtered. 997 */ 998 #if DEBUG || lint 999 #define SDDEBUG 1000 1001 /* SD_ERROR is called to log driver error conditions */ 1002 #define SD_ERROR sd_log_err 1003 1004 /* SD_TRACE is called to log driver trace conditions (function entry/exit) */ 1005 #define SD_TRACE sd_log_trace 1006 1007 /* SD_INFO is called to log general purpose driver info */ 1008 #define SD_INFO sd_log_info 1009 1010 /* SD_DUMP_MEMORY is called to dump a data buffer to the log */ 1011 #define SD_DUMP_MEMORY sd_dump_memory 1012 1013 /* RESET/ABORTS testing ioctls */ 1014 #define DKIOCRESET (DKIOC|14) 1015 #define DKIOCABORT (DKIOC|15) 1016 1017 #ifdef SD_FAULT_INJECTION 1018 /* 1019 * sd_fi_pkt replicates the variables that are exposed through pkt 1020 * 1021 * sd_fi_xb replicates the variables that are exposed through xb 1022 * 1023 * sd_fi_un replicates the variables that are exposed through un 1024 * 1025 * sd_fi_arq replicates the variables that are 1026 * exposed for Auto-Reqeust-Sense 1027 * 1028 */ 1029 struct sd_fi_pkt { 1030 uint_t pkt_flags; /* flags */ 1031 uchar_t pkt_scbp; /* pointer to status block */ 1032 uchar_t pkt_cdbp; /* pointer to command block */ 1033 uint_t pkt_state; /* state of command */ 1034 uint_t pkt_statistics; /* statistics */ 1035 uchar_t pkt_reason; /* reason completion called */ 1036 }; 1037 1038 struct sd_fi_xb { 1039 daddr_t xb_blkno; 1040 ssize_t xb_dma_resid; 1041 short xb_retry_count; 1042 short xb_victim_retry_count; 1043 uchar_t xb_sense_status; 1044 uint_t xb_sense_state; 1045 ssize_t xb_sense_resid; 1046 uchar_t xb_sense_data[SENSE_LENGTH]; 1047 uchar_t es_code; 1048 uchar_t es_key; 1049 uchar_t es_add_code; 1050 uchar_t es_qual_code; 1051 }; 1052 1053 struct sd_fi_un { 1054 uchar_t inq_rmb; 1055 uchar_t un_ctype; 1056 uint_t un_notready_retry_count; 1057 uint_t un_reset_retry_count; 1058 uchar_t un_reservation_type; 1059 ushort_t un_notrdy_delay; 1060 short un_resvd_status; 1061 uint32_t 1062 un_f_arq_enabled, 1063 un_f_geometry_is_valid, 1064 un_f_allow_bus_device_reset, 1065 un_f_opt_queueing; 1066 timeout_id_t un_restart_timeid; 1067 }; 1068 1069 struct sd_fi_arq { 1070 struct scsi_status sts_status; 1071 struct scsi_status sts_rqpkt_status; 1072 uchar_t sts_rqpkt_reason; 1073 uchar_t sts_rqpkt_resid; 1074 uint_t sts_rqpkt_state; 1075 uint_t sts_rqpkt_statistics; 1076 struct scsi_extended_sense sts_sensedata; 1077 }; 1078 1079 /* Conditional set def */ 1080 #define SD_CONDSET(a, b, c, d) \ 1081 if ((((fi_ ## b)->c) != 0xFF) && \ 1082 (((fi_ ## b)->c) != 0xFFFF) && \ 1083 (((fi_ ## b)->c) != 0xFFFFFFFF)) { \ 1084 a->c = ((fi_ ## b)->c); \ 1085 SD_INFO(SD_LOG_IOERR, un, \ 1086 "sd_fault_injection:" \ 1087 "setting %s to %d\n", \ 1088 d, ((fi_ ## b)->c)); } 1089 1090 /* SD FaultInjection ioctls */ 1091 #define SDIOC ('T'<<8) 1092 #define SDIOCSTART (SDIOC|1) 1093 #define SDIOCSTOP (SDIOC|2) 1094 #define SDIOCINSERTPKT (SDIOC|3) 1095 #define SDIOCINSERTXB (SDIOC|4) 1096 #define SDIOCINSERTUN (SDIOC|5) 1097 #define SDIOCINSERTARQ (SDIOC|6) 1098 #define SDIOCPUSH (SDIOC|7) 1099 #define SDIOCRETRIEVE (SDIOC|8) 1100 #define SDIOCRUN (SDIOC|9) 1101 #endif 1102 1103 #else 1104 1105 #undef SDDEBUG 1106 #define SD_ERROR { if (0) sd_log_err; } 1107 #define SD_TRACE { if (0) sd_log_trace; } 1108 #define SD_INFO { if (0) sd_log_info; } 1109 #define SD_DUMP_MEMORY { if (0) sd_dump_memory; } 1110 #endif 1111 1112 1113 /* 1114 * Miscellaneous macros 1115 */ 1116 1117 #define SD_USECTOHZ(x) (drv_usectohz((x)*1000000)) 1118 #define SD_GET_PKT_STATUS(pktp) ((*(pktp)->pkt_scbp) & STATUS_MASK) 1119 1120 #define SD_BIOERROR(bp, errcode) \ 1121 if ((bp)->b_resid == 0) { \ 1122 (bp)->b_resid = (bp)->b_bcount; \ 1123 } \ 1124 if ((bp)->b_error == 0) { \ 1125 bioerror(bp, errcode); \ 1126 } \ 1127 (bp)->b_flags |= B_ERROR; \ 1128 1129 #define SD_FILL_SCSI1_LUN_CDB(lunp, cdbp) \ 1130 if (! (lunp)->un_f_is_fibre && \ 1131 SD_INQUIRY((lunp))->inq_ansi == 0x01) { \ 1132 int _lun = ddi_prop_get_int(DDI_DEV_T_ANY, \ 1133 SD_DEVINFO((lunp)), DDI_PROP_DONTPASS, \ 1134 SCSI_ADDR_PROP_LUN, 0); \ 1135 if (_lun > 0) { \ 1136 (cdbp)->scc_lun = _lun; \ 1137 } \ 1138 } 1139 1140 #define SD_FILL_SCSI1_LUN(lunp, pktp) \ 1141 SD_FILL_SCSI1_LUN_CDB((lunp), (union scsi_cdb *)(pktp)->pkt_cdbp) 1142 1143 /* 1144 * Disk driver states 1145 */ 1146 1147 #define SD_STATE_NORMAL 0 1148 #define SD_STATE_OFFLINE 1 1149 #define SD_STATE_RWAIT 2 1150 #define SD_STATE_DUMPING 3 1151 #define SD_STATE_SUSPENDED 4 1152 #define SD_STATE_PM_CHANGING 5 1153 1154 /* 1155 * The table is to be interpreted as follows: The rows lists all the states 1156 * and each column is a state that a state in each row *can* reach. The entries 1157 * in the table list the event that cause that transition to take place. 1158 * For e.g.: To go from state RWAIT to SUSPENDED, event (d)-- which is the 1159 * invocation of DDI_SUSPEND-- has to take place. Note the same event could 1160 * cause the transition from one state to two different states. e.g., from 1161 * state SUSPENDED, when we get a DDI_RESUME, we just go back to the *last 1162 * state* whatever that might be. (NORMAL or OFFLINE). 1163 * 1164 * 1165 * State Transition Table: 1166 * 1167 * NORMAL OFFLINE RWAIT DUMPING SUSPENDED PM_SUSPENDED 1168 * 1169 * NORMAL - (a) (b) (c) (d) (h) 1170 * 1171 * OFFLINE (e) - (e) (c) (d) NP 1172 * 1173 * RWAIT (f) NP - (c) (d) (h) 1174 * 1175 * DUMPING NP NP NP - NP NP 1176 * 1177 * SUSPENDED (g) (g) (b) NP* - NP 1178 * 1179 * PM_SUSPENDED (i) NP (b) (c) (d) - 1180 * 1181 * NP : Not Possible. 1182 * (a): Disk does not respond. 1183 * (b): Packet Allocation Fails 1184 * (c): Panic - Crash dump 1185 * (d): DDI_SUSPEND is called. 1186 * (e): Disk has a successful I/O completed. 1187 * (f): sdrunout() calls sdstart() which sets it NORMAL 1188 * (g): DDI_RESUME is called. 1189 * (h): Device threshold exceeded pm framework called power 1190 * entry point or pm_lower_power called in detach. 1191 * (i): When new I/O come in. 1192 * * : When suspended, we dont change state during panic dump 1193 */ 1194 1195 1196 #define SD_MAX_THROTTLE 256 1197 #define SD_MIN_THROTTLE 8 1198 /* 1199 * Lowest valid max. and min. throttle value. 1200 * This is set to 2 because if un_min_throttle were allowed to be 1 then 1201 * un_throttle would never get set to a value less than un_min_throttle 1202 * (0 is a special case) which means it would never get set back to 1203 * un_saved_throttle in routine sd_restore_throttle(). 1204 */ 1205 #define SD_LOWEST_VALID_THROTTLE 2 1206 1207 1208 1209 /* Return codes for sd_send_polled_cmd() and sd_scsi_poll() */ 1210 #define SD_CMD_SUCCESS 0 1211 #define SD_CMD_FAILURE 1 1212 #define SD_CMD_RESERVATION_CONFLICT 2 1213 #define SD_CMD_ILLEGAL_REQUEST 3 1214 #define SD_CMD_BECOMING_READY 4 1215 #define SD_CMD_CHECK_CONDITION 5 1216 1217 /* Return codes for sd_ready_and_valid */ 1218 #define SD_READY_VALID 0 1219 #define SD_NOT_READY_VALID 1 1220 #define SD_READY_NOT_VALID 2 1221 1222 #define SD_PATH_STANDARD 0 1223 #define SD_PATH_DIRECT 1 1224 #define SD_PATH_DIRECT_PRIORITY 2 1225 1226 #define SD_UNIT_ATTENTION_RETRY 40 1227 1228 /* 1229 * The following three are bit flags passed into sd_send_scsi_TEST_UNIT_READY 1230 * to control specific behavior. 1231 */ 1232 #define SD_CHECK_FOR_MEDIA 0x01 1233 #define SD_DONT_RETRY_TUR 0x02 1234 #define SD_BYPASS_PM 0x04 1235 1236 #define SD_GROUP0_MAXADDR (2 << 20) 1237 #define SD_GROUP0_MAXCOUNT (0xff) 1238 #define SD_GROUP1_MAXCOUNT (0xffff) 1239 1240 1241 #define SD_BECOMING_ACTIVE 0x01 1242 #define SD_REMOVAL_ALLOW 0 1243 #define SD_REMOVAL_PREVENT 1 1244 1245 #define SD_GET_PKT_OPCODE(pktp) \ 1246 (((union scsi_cdb *)((pktp)->pkt_cdbp))->cdb_un.cmd) 1247 1248 1249 #define SD_NO_RETRY_ISSUED 0 1250 #define SD_DELAYED_RETRY_ISSUED 1 1251 #define SD_IMMEDIATE_RETRY_ISSUED 2 1252 1253 #if defined(__i386) || defined(__amd64) 1254 #define SD_UPDATE_B_RESID(bp, pktp) \ 1255 ((bp)->b_resid += (pktp)->pkt_resid + (SD_GET_XBUF(bp)->xb_dma_resid)) 1256 #else 1257 #define SD_UPDATE_B_RESID(bp, pktp) \ 1258 ((bp)->b_resid += (pktp)->pkt_resid) 1259 #endif 1260 1261 1262 #define SD_RETRIES_MASK 0x00FF 1263 #define SD_RETRIES_NOCHECK 0x0000 1264 #define SD_RETRIES_STANDARD 0x0001 1265 #define SD_RETRIES_VICTIM 0x0002 1266 #define SD_RETRIES_BUSY 0x0003 1267 #define SD_RETRIES_UA 0x0004 1268 #define SD_RETRIES_ISOLATE 0x8000 1269 #define SD_RETRIES_FAILFAST 0x4000 1270 1271 #define SD_UPDATE_RESERVATION_STATUS(un, pktp) \ 1272 if (((pktp)->pkt_reason == CMD_RESET) || \ 1273 ((pktp)->pkt_statistics & (STAT_BUS_RESET | STAT_DEV_RESET))) { \ 1274 if (((un)->un_resvd_status & SD_RESERVE) == SD_RESERVE) { \ 1275 (un)->un_resvd_status |= \ 1276 (SD_LOST_RESERVE | SD_WANT_RESERVE); \ 1277 } \ 1278 } 1279 1280 #define SD_SENSE_DATA_IS_VALID 0 1281 #define SD_SENSE_DATA_IS_INVALID 1 1282 1283 /* 1284 * Delay (in seconds) before restoring the "throttle limit" back 1285 * to its maximum value. 1286 */ 1287 #define SD_RESET_THROTTLE_TIMEOUT 60 1288 1289 #define SD_THROTTLE_TRAN_BUSY 0 1290 #define SD_THROTTLE_QFULL 1 1291 1292 #define SD_THROTTLE_RESET_INTERVAL \ 1293 (sd_reset_throttle_timeout * drv_usectohz(1000000)) 1294 1295 1296 /* 1297 * xb_pkt_flags defines 1298 * SD_XB_USCSICMD indicates the scsi request is a uscsi request 1299 * SD_XB_DMA_FREED indicates the scsi_pkt has had its DMA resources freed 1300 * by a call to scsi_dmafree(9F). The resources must be reallocated before 1301 * before a call to scsi_transport can be made again. 1302 * SD_XB_INITPKT_MASK: since this field is also used to store flags for 1303 * a scsi_init_pkt(9F) call, we need a mask to make sure that we don't 1304 * pass any unintended bits to scsi_init_pkt(9F) (ugly hack). 1305 */ 1306 #define SD_XB_USCSICMD 0x40000000 1307 #define SD_XB_DMA_FREED 0x20000000 1308 #define SD_XB_INITPKT_MASK (PKT_CONSISTENT | PKT_DMA_PARTIAL) 1309 1310 /* 1311 * Extension for the buf(9s) struct that we receive from a higher 1312 * layer. Located by b_private in the buf(9S). (The previous contents 1313 * of b_private are saved & restored before calling biodone(9F).) 1314 */ 1315 struct sd_xbuf { 1316 1317 struct sd_lun *xb_un; /* Ptr to associated sd_lun */ 1318 struct scsi_pkt *xb_pktp; /* Ptr to associated scsi_pkt */ 1319 1320 /* 1321 * xb_pktinfo points to any optional data that may be needed 1322 * by the initpkt and/or destroypkt functions. Typical 1323 * use might be to point to a struct uscsi_cmd. 1324 */ 1325 void *xb_pktinfo; 1326 1327 /* 1328 * Layer-private data area. This may be used by any layer to store 1329 * layer-specific data on a per-IO basis. Typical usage is for an 1330 * iostart routine to save some info here for later use by its 1331 * partner iodone routine. This area may be used to hold data or 1332 * a pointer to a data block that is allocated/freed by the layer's 1333 * iostart/iodone routines. Allocation & management policy for the 1334 * layer-private area is defined & implemented by each specific 1335 * layer as required. 1336 * 1337 * IMPORTANT: Since a higher layer may depend on the value in the 1338 * xb_private field, each layer must ensure that it returns the 1339 * buf/xbuf to the next higher layer (via SD_NEXT_IODONE()) with 1340 * the SAME VALUE in xb_private as when the buf/xbuf was first 1341 * received by the layer's iostart routine. Typically this is done 1342 * by the iostart routine saving the contents of xb_private into 1343 * a place in the layer-private data area, and the iodone routine 1344 * restoring the value of xb_private before deallocating the 1345 * layer-private data block and calling SD_NEXT_IODONE(). Of course, 1346 * if a layer never modifies xb_private in a buf/xbuf from a higher 1347 * layer, there will be no need to restore the value. 1348 * 1349 * Note that in the case where a layer _creates_ a buf/xbuf (such as 1350 * by calling sd_shadow_buf_alloc()) to pass to a lower layer, it is 1351 * not necessary to preserve the contents of xb_private as there is 1352 * no higher layer dependency on the value of xb_private. Such a 1353 * buf/xbuf must be deallocated by the layer that allocated it and 1354 * must *NEVER* be passed up to a higher layer. 1355 */ 1356 void *xb_private; /* Layer-private data block */ 1357 1358 /* 1359 * We do not use the b_blkno provided in the buf(9S), as we need to 1360 * make adjustments to it in the driver, but it is not a field that 1361 * the driver owns or is free to modify. 1362 */ 1363 daddr_t xb_blkno; /* Absolute block # on target */ 1364 1365 int xb_chain_iostart; /* iostart side index */ 1366 int xb_chain_iodone; /* iodone side index */ 1367 int xb_pkt_flags; /* Flags for scsi_init_pkt() */ 1368 ssize_t xb_dma_resid; 1369 short xb_retry_count; 1370 short xb_victim_retry_count; 1371 short xb_ua_retry_count; /* unit_attention retry counter */ 1372 1373 /* 1374 * Various status and data used when a RQS command is run on 1375 * the behalf of this command. 1376 */ 1377 struct buf *xb_sense_bp; /* back ptr to buf, for RQS */ 1378 uint_t xb_sense_state; /* scsi_pkt state of RQS command */ 1379 ssize_t xb_sense_resid; /* residual of RQS command */ 1380 uchar_t xb_sense_status; /* scsi status byte of RQS command */ 1381 uchar_t xb_sense_data[SENSE_LENGTH]; /* sense data from RQS cmd */ 1382 }; 1383 1384 _NOTE(SCHEME_PROTECTS_DATA("unique per pkt", sd_xbuf)) 1385 1386 #define SD_PKT_ALLOC_SUCCESS 0 1387 #define SD_PKT_ALLOC_FAILURE 1 1388 #define SD_PKT_ALLOC_FAILURE_NO_DMA 2 1389 #define SD_PKT_ALLOC_FAILURE_PKT_TOO_SMALL 3 1390 #define SD_PKT_ALLOC_FAILURE_CDB_TOO_SMALL 4 1391 1392 #define SD_GET_XBUF(bp) ((struct sd_xbuf *)((bp)->b_private)) 1393 #define SD_GET_UN(bp) ((SD_GET_XBUF(bp))->xb_un) 1394 #define SD_GET_PKTP(bp) ((SD_GET_XBUF(bp))->xb_pktp) 1395 #define SD_GET_BLKNO(bp) ((SD_GET_XBUF(bp))->xb_blkno) 1396 1397 1398 /* 1399 * Special-purpose struct for sd_send_scsi_cmd() to pass command-specific 1400 * data through the layering chains to sd_initpkt_for_uscsi(). 1401 */ 1402 struct sd_uscsi_info { 1403 int ui_flags; 1404 struct uscsi_cmd *ui_cmdp; 1405 }; 1406 1407 _NOTE(SCHEME_PROTECTS_DATA("Unshared data", sd_uscsi_info)) 1408 1409 1410 /* 1411 * Macros and definitions for driver kstats and errstats 1412 * 1413 * Some third-party layered drivers (they know who they are) do not maintain 1414 * their open/close counts correctly which causes our kstat reporting to get 1415 * messed up & results in panics. These macros will update the driver kstats 1416 * only if the counts are valid. 1417 */ 1418 #define SD_UPDATE_COMMON_KSTATS(kstat_function, kstatp) \ 1419 if ((kstat_function) == kstat_runq_exit || \ 1420 ((kstat_function) == kstat_runq_back_to_waitq)) { \ 1421 if (((kstat_io_t *)(kstatp))->rcnt) { \ 1422 kstat_function((kstatp)); \ 1423 } else { \ 1424 cmn_err(CE_WARN, \ 1425 "kstat rcnt == 0 when exiting runq, please check\n"); \ 1426 } \ 1427 } else if ((kstat_function) == kstat_waitq_exit || \ 1428 ((kstat_function) == kstat_waitq_to_runq)) { \ 1429 if (((kstat_io_t *)(kstatp))->wcnt) { \ 1430 kstat_function(kstatp); \ 1431 } else { \ 1432 cmn_err(CE_WARN, \ 1433 "kstat wcnt == 0 when exiting waitq, please check\n"); \ 1434 } \ 1435 } else { \ 1436 kstat_function(kstatp); \ 1437 } 1438 1439 #define SD_UPDATE_KSTATS(un, kstat_function, bp) \ 1440 ASSERT(SD_GET_XBUF(bp) != NULL); \ 1441 if (SD_IS_BUFIO(SD_GET_XBUF(bp))) { \ 1442 struct kstat *pksp = \ 1443 (un)->un_pstats[SDPART((bp)->b_edev)]; \ 1444 ASSERT(mutex_owned(SD_MUTEX(un))); \ 1445 if ((un)->un_stats != NULL) { \ 1446 kstat_io_t *kip = KSTAT_IO_PTR((un)->un_stats); \ 1447 SD_UPDATE_COMMON_KSTATS(kstat_function, kip); \ 1448 } \ 1449 if (pksp != NULL) { \ 1450 kstat_io_t *kip = KSTAT_IO_PTR(pksp); \ 1451 SD_UPDATE_COMMON_KSTATS(kstat_function, kip); \ 1452 } \ 1453 } 1454 1455 #define SD_UPDATE_ERRSTATS(un, x) \ 1456 if ((un)->un_errstats != NULL) { \ 1457 struct sd_errstats *stp; \ 1458 ASSERT(mutex_owned(SD_MUTEX(un))); \ 1459 stp = (struct sd_errstats *)(un)->un_errstats->ks_data; \ 1460 stp->x.value.ui32++; \ 1461 } 1462 1463 #define SD_UPDATE_RDWR_STATS(un, bp) \ 1464 if ((un)->un_stats != NULL) { \ 1465 kstat_io_t *kip = KSTAT_IO_PTR((un)->un_stats); \ 1466 size_t n_done = (bp)->b_bcount - (bp)->b_resid; \ 1467 if ((bp)->b_flags & B_READ) { \ 1468 kip->reads++; \ 1469 kip->nread += n_done; \ 1470 } else { \ 1471 kip->writes++; \ 1472 kip->nwritten += n_done; \ 1473 } \ 1474 } 1475 1476 #define SD_UPDATE_PARTITION_STATS(un, bp) \ 1477 { \ 1478 struct kstat *pksp = (un)->un_pstats[SDPART((bp)->b_edev)]; \ 1479 if (pksp != NULL) { \ 1480 kstat_io_t *kip = KSTAT_IO_PTR(pksp); \ 1481 size_t n_done = (bp)->b_bcount - (bp)->b_resid; \ 1482 if ((bp)->b_flags & B_READ) { \ 1483 kip->reads++; \ 1484 kip->nread += n_done; \ 1485 } else { \ 1486 kip->writes++; \ 1487 kip->nwritten += n_done; \ 1488 } \ 1489 } \ 1490 } 1491 1492 1493 #endif /* defined(_KERNEL) || defined(_KMEMUSER) */ 1494 1495 1496 /* 1497 * 60 seconds is a *very* reasonable amount of time for most slow CD 1498 * operations. 1499 */ 1500 #define SD_IO_TIME 60 1501 1502 /* 1503 * 2 hours is an excessively reasonable amount of time for format operations. 1504 */ 1505 #define SD_FMT_TIME (120 * 60) 1506 1507 /* 1508 * 5 seconds is what we'll wait if we get a Busy Status back 1509 */ 1510 #define SD_BSY_TIMEOUT (drv_usectohz(5 * 1000000)) 1511 1512 /* 1513 * 100 msec. is what we'll wait if we get Unit Attention. 1514 */ 1515 #define SD_UA_RETRY_DELAY (drv_usectohz((clock_t)100000)) 1516 1517 /* 1518 * 100 msec. is what we'll wait for restarted commands. 1519 */ 1520 #define SD_RESTART_TIMEOUT (drv_usectohz((clock_t)100000)) 1521 1522 /* 1523 * 100 msec. is what we'll wait for certain retries for fibre channel 1524 * targets, 0 msec for parallel SCSI. 1525 */ 1526 #if defined(__fibre) 1527 #define SD_RETRY_DELAY (drv_usectohz(100000)) 1528 #else 1529 #define SD_RETRY_DELAY ((clock_t)0) 1530 #endif 1531 1532 /* 1533 * 60 seconds is what we will wait for to reset the 1534 * throttle back to it SD_MAX_THROTTLE. 1535 */ 1536 #define SD_RESET_THROTTLE_TIMEOUT 60 1537 1538 /* 1539 * Number of times we'll retry a normal operation. 1540 * 1541 * This includes retries due to transport failure 1542 * (need to distinguish between Target and Transport failure) 1543 * 1544 */ 1545 #if defined(__fibre) 1546 #define SD_RETRY_COUNT 3 1547 #else 1548 #define SD_RETRY_COUNT 5 1549 #endif 1550 1551 /* 1552 * Number of times we will retry for unit attention. 1553 */ 1554 #define SD_UA_RETRY_COUNT 600 1555 1556 #define SD_VICTIM_RETRY_COUNT(un) (un->un_victim_retry_count) 1557 #define CD_NOT_READY_RETRY_COUNT(un) (un->un_retry_count * 2) 1558 #define DISK_NOT_READY_RETRY_COUNT(un) (un->un_retry_count / 2) 1559 1560 1561 /* 1562 * Maximum number of units we can support 1563 * (controlled by room in minor device byte) 1564 * 1565 * Note: this value is out of date. 1566 */ 1567 #define SD_MAXUNIT 32 1568 1569 /* 1570 * 30 seconds is what we will wait for the IO to finish 1571 * before we fail the DDI_SUSPEND 1572 */ 1573 #define SD_WAIT_CMDS_COMPLETE 30 1574 1575 /* 1576 * Prevent/allow media removal flags 1577 */ 1578 #define SD_REMOVAL_ALLOW 0 1579 #define SD_REMOVAL_PREVENT 1 1580 1581 1582 /* 1583 * Drive Types (and characteristics) 1584 */ 1585 #define VIDMAX 8 1586 #define PIDMAX 16 1587 1588 1589 /* 1590 * The following #defines and type definitions for the property 1591 * processing component of the sd driver. 1592 */ 1593 1594 1595 /* Miscellaneous Definitions */ 1596 #define SD_CONF_VERSION_1 1 1597 #define SD_CONF_NOT_USED 32 1598 1599 /* 1600 * Return values from "pm-capable" property 1601 */ 1602 #define SD_PM_CAPABLE_UNDEFINED -1 1603 #define SD_PM_CAPABLE_FALSE 0 1604 #define SD_PM_CAPABLE_TRUE 1 1605 1606 /* 1607 * Property data values used in static configuration table 1608 * These are all based on device characteristics. 1609 * For fibre channel devices, the throttle value is usually 1610 * derived from the devices cmd Q depth divided by the number 1611 * of supported initiators. 1612 */ 1613 #define ELITE_THROTTLE_VALUE 10 1614 #define SEAGATE_THROTTLE_VALUE 15 1615 #define IBM_THROTTLE_VALUE 15 1616 #define ST31200N_THROTTLE_VALUE 8 1617 #define FUJITSU_THROTTLE_VALUE 15 1618 #define SYMBIOS_THROTTLE_VALUE 16 1619 #define SYMBIOS_NOTREADY_RETRIES 24 1620 #define LSI_THROTTLE_VALUE 16 1621 #define LSI_NOTREADY_RETRIES 24 1622 #define LSI_OEM_NOTREADY_RETRIES 36 1623 #define PURPLE_THROTTLE_VALUE 64 1624 #define PURPLE_BUSY_RETRIES 60 1625 #define PURPLE_RESET_RETRY_COUNT 36 1626 #define PURPLE_RESERVE_RELEASE_TIME 60 1627 #define SVE_BUSY_RETRIES 60 1628 #define SVE_RESET_RETRY_COUNT 36 1629 #define SVE_RESERVE_RELEASE_TIME 60 1630 #define SVE_THROTTLE_VALUE 10 1631 #define SVE_MIN_THROTTLE_VALUE 2 1632 #define SVE_DISKSORT_DISABLED_FLAG 1 1633 #define MASERATI_DISKSORT_DISABLED_FLAG 1 1634 #define MASERATI_LUN_RESET_ENABLED_FLAG 1 1635 #define PIRUS_THROTTLE_VALUE 64 1636 #define PIRUS_NRR_COUNT 60 1637 #define PIRUS_BUSY_RETRIES 60 1638 #define PIRUS_RESET_RETRY_COUNT 36 1639 #define PIRUS_MIN_THROTTLE_VALUE 16 1640 #define PIRUS_DISKSORT_DISABLED_FLAG 0 1641 #define PIRUS_LUN_RESET_ENABLED_FLAG 1 1642 1643 /* 1644 * Driver Property Bit Flag definitions 1645 * 1646 * Unfortunately, for historical reasons, the bit-flag definitions are 1647 * different on SPARC, INTEL, & FIBRE platforms. 1648 */ 1649 1650 /* 1651 * Bit flag telling driver to set throttle from sd.conf sd-config-list 1652 * and driver table. 1653 * 1654 * The max throttle (q-depth) property implementation is for support of 1655 * fibre channel devices that can drop an i/o request when a queue fills 1656 * up. The number of commands sent to the disk from this driver is 1657 * regulated such that queue overflows are avoided. 1658 */ 1659 #define SD_CONF_SET_THROTTLE 0 1660 #define SD_CONF_BSET_THROTTLE (1 << SD_CONF_SET_THROTTLE) 1661 1662 /* 1663 * Bit flag telling driver to set the controller type from sd.conf 1664 * sd-config-list and driver table. 1665 */ 1666 #if defined(__i386) || defined(__amd64) 1667 #define SD_CONF_SET_CTYPE 1 1668 #elif defined(__fibre) 1669 #define SD_CONF_SET_CTYPE 5 1670 #else 1671 #define SD_CONF_SET_CTYPE 1 1672 #endif 1673 #define SD_CONF_BSET_CTYPE (1 << SD_CONF_SET_CTYPE) 1674 1675 /* 1676 * Bit flag telling driver to set the not ready retry count for a device from 1677 * sd.conf sd-config-list and driver table. 1678 */ 1679 #if defined(__i386) || defined(__amd64) 1680 #define SD_CONF_SET_NOTREADY_RETRIES 10 1681 #elif defined(__fibre) 1682 #define SD_CONF_SET_NOTREADY_RETRIES 1 1683 #else 1684 #define SD_CONF_SET_NOTREADY_RETRIES 2 1685 #endif 1686 #define SD_CONF_BSET_NRR_COUNT (1 << SD_CONF_SET_NOTREADY_RETRIES) 1687 1688 /* 1689 * Bit flag telling driver to set SCSI status BUSY Retries from sd.conf 1690 * sd-config-list and driver table. 1691 */ 1692 #if defined(__i386) || defined(__amd64) 1693 #define SD_CONF_SET_BUSY_RETRIES 11 1694 #elif defined(__fibre) 1695 #define SD_CONF_SET_BUSY_RETRIES 2 1696 #else 1697 #define SD_CONF_SET_BUSY_RETRIES 5 1698 #endif 1699 #define SD_CONF_BSET_BSY_RETRY_COUNT (1 << SD_CONF_SET_BUSY_RETRIES) 1700 1701 /* 1702 * Bit flag telling driver that device does not have a valid/unique serial 1703 * number. 1704 */ 1705 #if defined(__i386) || defined(__amd64) 1706 #define SD_CONF_SET_FAB_DEVID 2 1707 #else 1708 #define SD_CONF_SET_FAB_DEVID 3 1709 #endif 1710 #define SD_CONF_BSET_FAB_DEVID (1 << SD_CONF_SET_FAB_DEVID) 1711 1712 /* 1713 * Bit flag telling driver to disable all caching for disk device. 1714 */ 1715 #if defined(__i386) || defined(__amd64) 1716 #define SD_CONF_SET_NOCACHE 3 1717 #else 1718 #define SD_CONF_SET_NOCACHE 4 1719 #endif 1720 #define SD_CONF_BSET_NOCACHE (1 << SD_CONF_SET_NOCACHE) 1721 1722 /* 1723 * Bit flag telling driver that the PLAY AUDIO command requires parms in BCD 1724 * format rather than binary. 1725 */ 1726 #if defined(__i386) || defined(__amd64) 1727 #define SD_CONF_SET_PLAYMSF_BCD 4 1728 #else 1729 #define SD_CONF_SET_PLAYMSF_BCD 6 1730 #endif 1731 #define SD_CONF_BSET_PLAYMSF_BCD (1 << SD_CONF_SET_PLAYMSF_BCD) 1732 1733 /* 1734 * Bit flag telling driver that the response from the READ SUBCHANNEL command 1735 * has BCD fields rather than binary. 1736 */ 1737 #if defined(__i386) || defined(__amd64) 1738 #define SD_CONF_SET_READSUB_BCD 5 1739 #else 1740 #define SD_CONF_SET_READSUB_BCD 7 1741 #endif 1742 #define SD_CONF_BSET_READSUB_BCD (1 << SD_CONF_SET_READSUB_BCD) 1743 1744 /* 1745 * Bit in flags telling driver that the track number fields in the READ TOC 1746 * request and respone are in BCD rather than binary. 1747 */ 1748 #if defined(__i386) || defined(__amd64) 1749 #define SD_CONF_SET_READ_TOC_TRK_BCD 6 1750 #else 1751 #define SD_CONF_SET_READ_TOC_TRK_BCD 8 1752 #endif 1753 #define SD_CONF_BSET_READ_TOC_TRK_BCD (1 << SD_CONF_SET_READ_TOC_TRK_BCD) 1754 1755 /* 1756 * Bit flag telling driver that the address fields in the READ TOC request and 1757 * respone are in BCD rather than binary. 1758 */ 1759 #if defined(__i386) || defined(__amd64) 1760 #define SD_CONF_SET_READ_TOC_ADDR_BCD 7 1761 #else 1762 #define SD_CONF_SET_READ_TOC_ADDR_BCD 9 1763 #endif 1764 #define SD_CONF_BSET_READ_TOC_ADDR_BCD (1 << SD_CONF_SET_READ_TOC_ADDR_BCD) 1765 1766 /* 1767 * Bit flag telling the driver that the device doesn't support the READ HEADER 1768 * command. 1769 */ 1770 #if defined(__i386) || defined(__amd64) 1771 #define SD_CONF_SET_NO_READ_HEADER 8 1772 #else 1773 #define SD_CONF_SET_NO_READ_HEADER 10 1774 #endif 1775 #define SD_CONF_BSET_NO_READ_HEADER (1 << SD_CONF_SET_NO_READ_HEADER) 1776 1777 /* 1778 * Bit flag telling the driver that for the READ CD command the device uses 1779 * opcode 0xd4 rather than 0xbe. 1780 */ 1781 #if defined(__i386) || defined(__amd64) 1782 #define SD_CONF_SET_READ_CD_XD4 9 1783 #else 1784 #define SD_CONF_SET_READ_CD_XD4 11 1785 #endif 1786 #define SD_CONF_BSET_READ_CD_XD4 (1 << SD_CONF_SET_READ_CD_XD4) 1787 1788 /* 1789 * Bit flag telling the driver to set SCSI status Reset Retries 1790 * (un_reset_retry_count) from sd.conf sd-config-list and driver table (4356701) 1791 */ 1792 #define SD_CONF_SET_RST_RETRIES 12 1793 #define SD_CONF_BSET_RST_RETRIES (1 << SD_CONF_SET_RST_RETRIES) 1794 1795 /* 1796 * Bit flag telling the driver to set the reservation release timeout value 1797 * from sd.conf sd-config-list and driver table. (4367306) 1798 */ 1799 #define SD_CONF_SET_RSV_REL_TIME 13 1800 #define SD_CONF_BSET_RSV_REL_TIME (1 << SD_CONF_SET_RSV_REL_TIME) 1801 1802 /* 1803 * Bit flag telling the driver to verify that no commands are pending for a 1804 * device before issuing a Test Unit Ready. This is a fw workaround for Seagate 1805 * eliteI drives. (4392016) 1806 */ 1807 #define SD_CONF_SET_TUR_CHECK 14 1808 #define SD_CONF_BSET_TUR_CHECK (1 << SD_CONF_SET_TUR_CHECK) 1809 1810 /* 1811 * Bit in flags telling driver to set min. throttle from ssd.conf 1812 * ssd-config-list and driver table. 1813 */ 1814 #define SD_CONF_SET_MIN_THROTTLE 15 1815 #define SD_CONF_BSET_MIN_THROTTLE (1 << SD_CONF_SET_MIN_THROTTLE) 1816 1817 /* 1818 * Bit in flags telling driver to set disksort disable flag from ssd.conf 1819 * ssd-config-list and driver table. 1820 */ 1821 #define SD_CONF_SET_DISKSORT_DISABLED 16 1822 #define SD_CONF_BSET_DISKSORT_DISABLED (1 << SD_CONF_SET_DISKSORT_DISABLED) 1823 1824 /* 1825 * Bit in flags telling driver to set LUN Reset enable flag from [s]sd.conf 1826 * [s]sd-config-list and driver table. 1827 */ 1828 #define SD_CONF_SET_LUN_RESET_ENABLED 17 1829 #define SD_CONF_BSET_LUN_RESET_ENABLED (1 << SD_CONF_SET_LUN_RESET_ENABLED) 1830 1831 /* 1832 * This is the number of items currently settable in the sd.conf 1833 * sd-config-list. The mask value is defined for parameter checking. The 1834 * item count and mask should be updated when new properties are added. 1835 */ 1836 #define SD_CONF_MAX_ITEMS 18 1837 #define SD_CONF_BIT_MASK 0x0003FFFF 1838 1839 typedef struct { 1840 int sdt_throttle; 1841 int sdt_ctype; 1842 int sdt_not_rdy_retries; 1843 int sdt_busy_retries; 1844 int sdt_reset_retries; 1845 int sdt_reserv_rel_time; 1846 int sdt_min_throttle; 1847 int sdt_disk_sort_dis; 1848 int sdt_lun_reset_enable; 1849 } sd_tunables; 1850 1851 /* Type definition for static configuration table entries */ 1852 typedef struct sd_disk_config { 1853 char device_id[25]; 1854 uint_t flags; 1855 sd_tunables *properties; 1856 } sd_disk_config_t; 1857 1858 /* 1859 * byte 4 options for 1bh command 1860 */ 1861 #define SD_TARGET_STOP 0x00 1862 #define SD_TARGET_START 0x01 1863 #define SD_TARGET_EJECT 0x02 1864 #define SD_TARGET_CLOSE 0x03 1865 1866 1867 #define SD_MODE_SENSE_PAGE3_CODE 0x03 1868 #define SD_MODE_SENSE_PAGE4_CODE 0x04 1869 1870 #define SD_MODE_SENSE_PAGE3_LENGTH \ 1871 (sizeof (struct mode_format) + MODE_PARAM_LENGTH) 1872 #define SD_MODE_SENSE_PAGE4_LENGTH \ 1873 (sizeof (struct mode_geometry) + MODE_PARAM_LENGTH) 1874 1875 /* 1876 * These command codes need to be moved to sys/scsi/generic/commands.h 1877 */ 1878 1879 /* Both versions of the Read CD command */ 1880 1881 /* the official SCMD_READ_CD now comes from cdio.h */ 1882 #define SCMD_READ_CDD4 0xd4 /* the one used by some first */ 1883 /* generation ATAPI CD drives */ 1884 1885 /* expected sector type filter values for Play and Read CD CDBs */ 1886 #define CDROM_SECTOR_TYPE_CDDA (1<<2) /* IEC 908:1987 (CDDA) */ 1887 #define CDROM_SECTOR_TYPE_MODE1 (2<<2) /* Yellow book 2048 bytes */ 1888 #define CDROM_SECTOR_TYPE_MODE2 (3<<2) /* Yellow book 2335 bytes */ 1889 #define CDROM_SECTOR_TYPE_MODE2_FORM1 (4<<2) /* 2048 bytes */ 1890 #define CDROM_SECTOR_TYPE_MODE2_FORM2 (5<<2) /* 2324 bytes */ 1891 1892 /* READ CD filter bits (cdb[9]) */ 1893 #define CDROM_READ_CD_SYNC 0x80 /* read sync field */ 1894 #define CDROM_READ_CD_HDR 0x20 /* read four byte header */ 1895 #define CDROM_READ_CD_SUBHDR 0x40 /* read sub-header */ 1896 #define CDROM_READ_CD_ALLHDRS 0x60 /* read header and sub-header */ 1897 #define CDROM_READ_CD_USERDATA 0x10 /* read user data */ 1898 #define CDROM_READ_CD_EDC_ECC 0x08 /* read EDC and ECC field */ 1899 #define CDROM_READ_CD_C2 0x02 /* read C2 error data */ 1900 #define CDROM_READ_CD_C2_BEB 0x04 /* read C2 and Block Error Bits */ 1901 1902 1903 /* 1904 * These belong in sys/scsi/generic/mode.h 1905 */ 1906 1907 /* 1908 * Mode Sense/Select Header response for Group 2 CDB. 1909 */ 1910 1911 struct mode_header_grp2 { 1912 uchar_t length_msb; /* MSB - number of bytes following */ 1913 uchar_t length_lsb; 1914 uchar_t medium_type; /* device specific */ 1915 uchar_t device_specific; /* device specfic parameters */ 1916 uchar_t resv[2]; /* reserved */ 1917 uchar_t bdesc_length_hi; /* length of block descriptor(s) */ 1918 /* (if any) */ 1919 uchar_t bdesc_length_lo; 1920 }; 1921 1922 _NOTE(SCHEME_PROTECTS_DATA("Unshared data", mode_header_grp2)) 1923 1924 /* 1925 * Length of the Mode Parameter Header for the Group 2 Mode Select command 1926 */ 1927 #define MODE_HEADER_LENGTH_GRP2 (sizeof (struct mode_header_grp2)) 1928 #define MODE_PARAM_LENGTH_GRP2 (MODE_HEADER_LENGTH_GRP2 + MODE_BLK_DESC_LENGTH) 1929 1930 /* 1931 * Mode Page 1 - Error Recovery Page 1932 */ 1933 #define MODEPAGE_ERR_RECOVER 1 1934 1935 /* 1936 * The following buffer length define is 8 bytes for the Group 2 mode page 1937 * header, 8 bytes for the block descriptor and 26 bytes for the cdrom 1938 * capabilities page (per MMC-2) 1939 */ 1940 #define MODEPAGE_CDROM_CAP 0x2A 1941 #define MODEPAGE_CDROM_CAP_LEN 26 1942 #define BUFLEN_MODE_CDROM_CAP (MODEPAGE_CDROM_CAP_LEN + \ 1943 MODE_HEADER_LENGTH_GRP2 + MODE_BLK_DESC_LENGTH) 1944 1945 1946 /* 1947 * Power management defines 1948 */ 1949 #define SD_SPINDLE_UNINIT (-1) 1950 #define SD_SPINDLE_OFF 0 1951 #define SD_SPINDLE_ON 1 1952 #define SD_PM_NOT_SUPPORTED 2 1953 1954 1955 /* 1956 * No Need to resume if already in PM_SUSPEND state because the thread 1957 * was suspended in sdpower. It will be resumed when sdpower is invoked to make 1958 * the device active. 1959 * When the thread is suspended, the watch thread is terminated and 1960 * the token is NULLed so check for this condition. 1961 * If there's a thread that can be resumed, ie. token is not NULL, then 1962 * it can be resumed. 1963 */ 1964 #define SD_OK_TO_RESUME_SCSI_WATCHER(un) (un->un_swr_token != NULL) 1965 /* 1966 * No Need to resume if already in PM_SUSPEND state because the thread 1967 * was suspended in sdpower. It will be resumed when sdpower is invoked to make 1968 * the device active. 1969 * When the thread is suspended, the watch thread is terminated and 1970 * the token is NULLed so check for this condition. 1971 */ 1972 #define SD_OK_TO_SUSPEND_SCSI_WATCHER(un) (un->un_swr_token != NULL) 1973 #define SD_DEVICE_IS_IN_LOW_POWER(un) ((un->un_f_pm_is_enabled) && \ 1974 (un->un_pm_count < 0)) 1975 /* 1976 * Could move this define to some thing like log sense.h in SCSA headers 1977 * But for now let it live here. 1978 */ 1979 #define START_STOP_CYCLE_COUNTER_PAGE_SIZE 0x28 1980 #define START_STOP_CYCLE_PAGE 0x0E 1981 #define START_STOP_CYCLE_VU_PAGE 0x31 1982 1983 /* CD-ROM Error Recovery Parameters page (0x01) */ 1984 #define MODEPAGE_ERR_RECOV 0x1 1985 #define BUFLEN_CHG_BLK_MODE MODE_HEADER_LENGTH + MODE_BLK_DESC_LENGTH 1986 1987 /* 1988 * Vendor Specific (Toshiba) CD-ROM Speed page (0x31) 1989 * 1990 * The following buffer length define is 4 bytes for the Group 0 mode page 1991 * header, 8 bytes for the block descriptor and 4 bytes for the mode speed page. 1992 */ 1993 #define MODEPAGE_CDROM_SPEED_LEN 4 1994 #define BUFLEN_MODE_CDROM_SPEED MODEPAGE_CDROM_SPEED_LEN +\ 1995 MODE_HEADER_LENGTH +\ 1996 MODE_BLK_DESC_LENGTH 1997 #define SD_SPEED_1X 176 1998 1999 /* CD-ROM Audio Control Parameters page (0x0E) */ 2000 #define MODEPAGE_AUDIO_CTRL 0x0E 2001 #define MODEPAGE_AUDIO_CTRL_LEN 16 2002 2003 /* CD-ROM Sony Read Offset Defines */ 2004 #define SONY_SESSION_OFFSET_LEN 12 2005 #define SONY_SESSION_OFFSET_KEY 0x40 2006 #define SONY_SESSION_OFFSET_VALID 0x0a 2007 2008 /* 2009 * CD-ROM Write Protect Defines 2010 * 2011 * Bit 7 of the device specific field of the mode page header is the write 2012 * protect bit. 2013 */ 2014 #define WRITE_PROTECT 0x80 2015 2016 /* 2017 * Define for the length of a profile header returned in response to the 2018 * GET CONFIGURATION command 2019 */ 2020 #define SD_PROFILE_HEADER_LEN 8 /* bytes */ 2021 2022 /* 2023 * Define the length of the data in response to the GET CONFIGURATION 2024 * command. The 3rd byte of the feature descriptor contains the 2025 * current feature field that is of interest. This field begins 2026 * after the feature header which is 8 bytes. This variable length 2027 * was increased in size from 11 to 24 because some devices became 2028 * unresponsive with the smaller size. 2029 */ 2030 #define SD_CURRENT_FEATURE_LEN 24 /* bytes */ 2031 2032 /* 2033 * Feature codes associated with GET CONFIGURATION command for supported 2034 * devices. 2035 */ 2036 #define RANDOM_WRITABLE 0x20 2037 #define HARDWARE_DEFECT_MANAGEMENT 0x24 2038 2039 /* 2040 * Could move this define to some thing like log sense.h in SCSA headers 2041 * But for now let it live here. 2042 */ 2043 #define TEMPERATURE_PAGE 0x0D 2044 #define TEMPERATURE_PAGE_SIZE 16 /* bytes */ 2045 2046 /* delay time used for sd_media_watch_cb delayed cv broadcast */ 2047 #define MEDIA_ACCESS_DELAY 2000000 2048 2049 2050 /* SCSI power on or bus device reset additional sense code */ 2051 #define SD_SCSI_RESET_SENSE_CODE 0x29 2052 2053 /* 2054 * These defines are for the Vital Product Data Pages in the inquiry command. 2055 * They are the bits in the un_vpd_page mask, telling the supported pages. 2056 */ 2057 #define SD_VPD_SUPPORTED_PG 0x01 /* 0x00 - Supported VPD pages */ 2058 #define SD_VPD_UNIT_SERIAL_PG 0x02 /* 0x80 - Unit Serial Number */ 2059 #define SD_VPD_OPERATING_PG 0x04 /* 0x81 - Implemented Op Defs */ 2060 #define SD_VPD_ASCII_OP_PG 0x08 /* 0x82 - ASCII Op Defs */ 2061 #define SD_VPD_DEVID_WWN_PG 0x10 /* 0x83 - Device Identification */ 2062 2063 /* 2064 * Addition from sddef.intel.h 2065 */ 2066 #if defined(__i386) || defined(__amd64) 2067 2068 #define P0_RAW_DISK (NDKMAP) 2069 #define FDISK_P1 (NDKMAP+1) 2070 #define FDISK_P2 (NDKMAP+2) 2071 #define FDISK_P3 (NDKMAP+3) 2072 #define FDISK_P4 (NDKMAP+4) 2073 2074 #endif /* __i386 || __amd64 */ 2075 2076 #ifdef __cplusplus 2077 } 2078 #endif 2079 2080 2081 #endif /* _SYS_SCSI_TARGETS_SDDEF_H */ 2082