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