1 /* 2 * Implementation of SCSI Direct Access Peripheral driver for CAM. 3 * 4 * Copyright (c) 1997 Justin T. Gibbs. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions, and the following disclaimer, 12 * without modification, immediately at the beginning of the file. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD: src/sys/cam/scsi/scsi_da.c,v 1.42.2.46 2003/10/21 22:18:19 thomas Exp $ 29 * $DragonFly: src/sys/bus/cam/scsi/scsi_da.c,v 1.34 2006/12/22 23:12:16 swildner Exp $ 30 */ 31 32 #ifdef _KERNEL 33 #include "opt_hw_wdog.h" 34 #endif /* _KERNEL */ 35 36 #include <sys/param.h> 37 #include <sys/bootmaj.h> 38 39 #ifdef _KERNEL 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/buf.h> 43 #include <sys/sysctl.h> 44 #include <sys/taskqueue.h> 45 #endif /* _KERNEL */ 46 47 #include <sys/devicestat.h> 48 #include <sys/conf.h> 49 #ifdef _KERNEL 50 #include <sys/disk.h> 51 #include <sys/eventhandler.h> 52 #include <sys/malloc.h> 53 #include <sys/cons.h> 54 #include <sys/proc.h> 55 #endif 56 #include <sys/buf2.h> 57 #ifdef _KERNEL 58 #include <sys/thread2.h> 59 #endif 60 61 #include <machine/md_var.h> 62 63 #ifdef _KERNEL 64 #include <vm/vm.h> 65 #include <vm/pmap.h> 66 #endif 67 68 #ifndef _KERNEL 69 #include <stdio.h> 70 #include <string.h> 71 #endif /* _KERNEL */ 72 73 #include "../cam.h" 74 #include "../cam_ccb.h" 75 #include "../cam_extend.h" 76 #include "../cam_periph.h" 77 #include "../cam_xpt_periph.h" 78 79 #include "scsi_message.h" 80 81 #ifndef _KERNEL 82 #include "scsi_da.h" 83 #endif /* !_KERNEL */ 84 85 #ifdef _KERNEL 86 typedef enum { 87 DA_STATE_PROBE, 88 DA_STATE_NORMAL 89 } da_state; 90 91 typedef enum { 92 DA_FLAG_PACK_INVALID = 0x001, 93 DA_FLAG_NEW_PACK = 0x002, 94 DA_FLAG_PACK_LOCKED = 0x004, 95 DA_FLAG_PACK_REMOVABLE = 0x008, 96 DA_FLAG_TAGGED_QUEUING = 0x010, 97 DA_FLAG_NEED_OTAG = 0x020, 98 DA_FLAG_WENT_IDLE = 0x040, 99 DA_FLAG_RETRY_UA = 0x080, 100 DA_FLAG_OPEN = 0x100, 101 DA_FLAG_SCTX_INIT = 0x200 102 } da_flags; 103 104 typedef enum { 105 DA_Q_NONE = 0x00, 106 DA_Q_NO_SYNC_CACHE = 0x01, 107 DA_Q_NO_6_BYTE = 0x02, 108 DA_Q_NO_PREVENT = 0x04 109 } da_quirks; 110 111 typedef enum { 112 DA_CCB_PROBE = 0x01, 113 DA_CCB_BUFFER_IO = 0x02, 114 DA_CCB_WAITING = 0x03, 115 DA_CCB_DUMP = 0x04, 116 DA_CCB_TYPE_MASK = 0x0F, 117 DA_CCB_RETRY_UA = 0x10 118 } da_ccb_state; 119 120 /* Offsets into our private area for storing information */ 121 #define ccb_state ppriv_field0 122 #define ccb_bio ppriv_ptr1 123 124 struct disk_params { 125 u_int8_t heads; 126 u_int16_t cylinders; 127 u_int8_t secs_per_track; 128 u_int32_t secsize; /* Number of bytes/sector */ 129 u_int32_t sectors; /* total number sectors */ 130 }; 131 132 struct da_softc { 133 struct bio_queue_head bio_queue; 134 struct devstat device_stats; 135 SLIST_ENTRY(da_softc) links; 136 LIST_HEAD(, ccb_hdr) pending_ccbs; 137 da_state state; 138 da_flags flags; 139 da_quirks quirks; 140 int minimum_cmd_size; 141 int ordered_tag_count; 142 struct disk_params params; 143 struct disk disk; 144 union ccb saved_ccb; 145 struct task sysctl_task; 146 struct sysctl_ctx_list sysctl_ctx; 147 struct sysctl_oid *sysctl_tree; 148 }; 149 150 struct da_quirk_entry { 151 struct scsi_inquiry_pattern inq_pat; 152 da_quirks quirks; 153 }; 154 155 static const char quantum[] = "QUANTUM"; 156 static const char microp[] = "MICROP"; 157 158 static struct da_quirk_entry da_quirk_table[] = 159 { 160 /* SPI, FC devices */ 161 { 162 /* 163 * Fujitsu M2513A MO drives. 164 * Tested devices: M2513A2 firmware versions 1200 & 1300. 165 * (dip switch selects whether T_DIRECT or T_OPTICAL device) 166 * Reported by: W.Scholten <whs@xs4all.nl> 167 */ 168 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 169 /*quirks*/ DA_Q_NO_SYNC_CACHE 170 }, 171 { 172 /* See above. */ 173 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 174 /*quirks*/ DA_Q_NO_SYNC_CACHE 175 }, 176 { 177 /* 178 * This particular Fujitsu drive doesn't like the 179 * synchronize cache command. 180 * Reported by: Tom Jackson <toj@gorilla.net> 181 */ 182 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"}, 183 /*quirks*/ DA_Q_NO_SYNC_CACHE 184 185 }, 186 { 187 /* 188 * This drive doesn't like the synchronize cache command 189 * either. Reported by: Matthew Jacob <mjacob@feral.com> 190 * in NetBSD PR kern/6027, August 24, 1998. 191 */ 192 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"}, 193 /*quirks*/ DA_Q_NO_SYNC_CACHE 194 }, 195 { 196 /* 197 * This drive doesn't like the synchronize cache command 198 * either. Reported by: Hellmuth Michaelis (hm@kts.org) 199 * (PR 8882). 200 */ 201 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"}, 202 /*quirks*/ DA_Q_NO_SYNC_CACHE 203 }, 204 { 205 /* 206 * Doesn't like the synchronize cache command. 207 * Reported by: Blaz Zupan <blaz@gold.amis.net> 208 */ 209 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"}, 210 /*quirks*/ DA_Q_NO_SYNC_CACHE 211 }, 212 { 213 /* 214 * Doesn't like the synchronize cache command. 215 */ 216 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"}, 217 /*quirks*/ DA_Q_NO_SYNC_CACHE 218 }, 219 { 220 /* 221 * Doesn't like the synchronize cache command. 222 */ 223 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"}, 224 /*quirks*/ DA_Q_NO_SYNC_CACHE 225 }, 226 { 227 /* 228 * Doesn't work correctly with 6 byte reads/writes. 229 * Returns illegal request, and points to byte 9 of the 230 * 6-byte CDB. 231 * Reported by: Adam McDougall <bsdx@spawnet.com> 232 */ 233 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"}, 234 /*quirks*/ DA_Q_NO_6_BYTE 235 }, 236 { 237 /* See above. */ 238 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"}, 239 /*quirks*/ DA_Q_NO_6_BYTE 240 }, 241 /* XXX USB floppy quirks temporarily enabled for 4.9R */ 242 /* USB floppy devices supported by umass(4) */ 243 { 244 /* 245 * This USB floppy drive uses the UFI command set. This 246 * command set is a derivative of the ATAPI command set and 247 * does not support READ_6 commands only READ_10. It also does 248 * not support sync cache (0x35). 249 */ 250 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Y-E DATA", "USB-FDU", "*"}, 251 /*quirks*/ DA_Q_NO_SYNC_CACHE 252 }, 253 { 254 /* Another USB floppy */ 255 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MATSHITA", "FDD CF-VFDU*","*"}, 256 /*quirks*/ DA_Q_NO_SYNC_CACHE 257 }, 258 { 259 /* 260 * The vendor, product and version strings coming from the 261 * controller are null terminated instead of being padded with 262 * spaces. The trailing wildcard character '*' is required. 263 */ 264 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SMSC*", "USB FDC*","*"}, 265 /*quirks*/ DA_Q_NO_SYNC_CACHE 266 }, 267 { 268 /* 269 * SmartDisk (Mitsumi) USB floppy drive 270 * PR: kern/50226 271 */ 272 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MITSUMI", "USB FDD", "*"}, 273 /*quirks*/ DA_Q_NO_SYNC_CACHE 274 }, 275 { 276 /* 277 * The CISS RAID controllers do not support SYNC_CACHE 278 */ 279 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"}, 280 /*quirks*/ DA_Q_NO_SYNC_CACHE 281 }, 282 #ifdef DA_OLD_QUIRKS 283 /* USB mass storage devices supported by umass(4) */ 284 { 285 /* 286 * Sony Memory Stick adapter MSAC-US1 and 287 * Sony PCG-C1VJ Internal Memory Stick Slot (MSC-U01). 288 * Make all sony MS* products use this quirk. 289 */ 290 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "MS*", "*"}, 291 /*quirks*/ DA_Q_NO_SYNC_CACHE 292 }, 293 { 294 /* 295 * Sony Memory Stick adapter for the CLIE series 296 * of PalmOS PDA's 297 */ 298 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "CLIE*", "*"}, 299 /*quirks*/ DA_Q_NO_SYNC_CACHE 300 }, 301 { 302 /* 303 * Intelligent Stick USB disk-on-key 304 * PR: kern/53005 305 */ 306 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB Card", 307 "IntelligentStick*", "*"}, 308 /*quirks*/ DA_Q_NO_SYNC_CACHE 309 }, 310 { 311 /* 312 * Sony DSC cameras (DSC-S30, DSC-S50, DSC-S70) 313 */ 314 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"}, 315 /*quirks*/ DA_Q_NO_SYNC_CACHE 316 }, 317 { 318 /* 319 * Microtech USB CameraMate 320 */ 321 {T_DIRECT, SIP_MEDIA_REMOVABLE, "eUSB Compact*", 322 "Compact Flash*", "*"}, 323 /*quirks*/ DA_Q_NO_SYNC_CACHE 324 }, 325 { 326 /* 327 * Olympus digital cameras (C-3040ZOOM, C-2040ZOOM, C-1) 328 */ 329 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "C-*", "*"}, 330 /*quirks*/ DA_Q_NO_SYNC_CACHE 331 }, 332 { 333 /* 334 * Olympus digital cameras (E-100RS, E-10). 335 */ 336 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "E-*", "*"}, 337 /*quirks*/ DA_Q_NO_SYNC_CACHE 338 }, 339 { 340 /* 341 * KingByte Pen Drives 342 */ 343 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NO BRAND", "PEN DRIVE", "*"}, 344 /*quirks*/ DA_Q_NO_SYNC_CACHE 345 }, 346 { 347 /* 348 * iRiver iFP MP3 player (with UMS Firmware) 349 * PR: kern/54881, i386/63941, kern/66124 350 */ 351 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"}, 352 /*quirks*/ DA_Q_NO_SYNC_CACHE 353 }, 354 { 355 /* 356 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01 357 * PR: kern/70158 358 */ 359 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "NexIA+*", "*"}, 360 /*quirks*/ DA_Q_NO_SYNC_CACHE 361 }, 362 { 363 /* 364 * FujiFilm Camera 365 */ 366 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJIFILMUSB-DRIVEUNIT", 367 "USB-DRIVEUNIT", "*"}, 368 /*quirks*/ DA_Q_NO_SYNC_CACHE 369 }, 370 { 371 /* 372 * Minolta Dimage E203 373 */ 374 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MINOLTA", "DiMAGE E203", "*"}, 375 /*quirks*/ DA_Q_NO_SYNC_CACHE 376 }, 377 { 378 /* 379 * Apacer HandyDrive 380 * PR: kern/43627 381 */ 382 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Apacer", "HandyDrive", "*"}, 383 /*quirks*/ DA_Q_NO_SYNC_CACHE 384 }, 385 { 386 /* 387 * Daisy Technology PhotoClip on Zoran chip 388 * PR: kern/43580 389 */ 390 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ZORAN", "COACH", "*"}, 391 /*quirks*/ DA_Q_NO_SYNC_CACHE 392 }, 393 { 394 /* 395 * Sony USB Key-Storage 396 * PR: kern/46386 397 */ 398 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Storage Media", "*"}, 399 /*quirks*/ DA_Q_NO_SYNC_CACHE 400 }, 401 #endif /* DA_OLD_QUIRKS */ 402 { 403 /* 404 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player 405 * PR: kern/51675 406 */ 407 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"}, 408 /*quirks*/ DA_Q_NO_SYNC_CACHE 409 }, 410 { 411 /* 412 * Jungsoft NEXDISK USB flash key 413 * PR: kern/54737 414 */ 415 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"}, 416 /*quirks*/ DA_Q_NO_SYNC_CACHE 417 }, 418 { 419 /* 420 * Creative Nomad MUVO mp3 player (USB) 421 * PR: kern/53094 422 */ 423 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"}, 424 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 425 }, 426 }; 427 428 static d_open_t daopen; 429 static d_close_t daclose; 430 static d_strategy_t dastrategy; 431 static d_ioctl_t daioctl; 432 static d_dump_t dadump; 433 static periph_init_t dainit; 434 static void daasync(void *callback_arg, u_int32_t code, 435 struct cam_path *path, void *arg); 436 static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS); 437 static periph_ctor_t daregister; 438 static periph_dtor_t dacleanup; 439 static periph_start_t dastart; 440 static periph_oninv_t daoninvalidate; 441 static void dadone(struct cam_periph *periph, 442 union ccb *done_ccb); 443 static int daerror(union ccb *ccb, u_int32_t cam_flags, 444 u_int32_t sense_flags); 445 static void daprevent(struct cam_periph *periph, int action); 446 static void dasetgeom(struct cam_periph *periph, 447 struct scsi_read_capacity_data * rdcap); 448 static timeout_t dasendorderedtag; 449 static void dashutdown(void *arg, int howto); 450 451 #ifndef DA_DEFAULT_TIMEOUT 452 #define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */ 453 #endif 454 455 #ifndef DA_DEFAULT_RETRY 456 #define DA_DEFAULT_RETRY 4 457 #endif 458 459 static int da_retry_count = DA_DEFAULT_RETRY; 460 static int da_default_timeout = DA_DEFAULT_TIMEOUT; 461 static struct callout dasendorderedtag_ch; 462 463 SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0, 464 "CAM Direct Access Disk driver"); 465 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW, 466 &da_retry_count, 0, "Normal I/O retry count"); 467 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count); 468 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW, 469 &da_default_timeout, 0, "Normal I/O timeout (in seconds)"); 470 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout); 471 472 /* 473 * DA_ORDEREDTAG_INTERVAL determines how often, relative 474 * to the default timeout, we check to see whether an ordered 475 * tagged transaction is appropriate to prevent simple tag 476 * starvation. Since we'd like to ensure that there is at least 477 * 1/2 of the timeout length left for a starved transaction to 478 * complete after we've sent an ordered tag, we must poll at least 479 * four times in every timeout period. This takes care of the worst 480 * case where a starved transaction starts during an interval that 481 * meets the requirement "don't send an ordered tag" test so it takes 482 * us two intervals to determine that a tag must be sent. 483 */ 484 #ifndef DA_ORDEREDTAG_INTERVAL 485 #define DA_ORDEREDTAG_INTERVAL 4 486 #endif 487 488 static struct periph_driver dadriver = 489 { 490 dainit, "da", 491 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0 492 }; 493 494 DATA_SET(periphdriver_set, dadriver); 495 496 /* For 2.2-stable support */ 497 #ifndef D_DISK 498 #define D_DISK 0 499 #endif 500 501 static struct dev_ops da_ops = { 502 { "da", DA_CDEV_MAJOR, D_DISK }, 503 .d_open = daopen, 504 .d_close = daclose, 505 .d_read = physread, 506 .d_write = physwrite, 507 .d_ioctl = daioctl, 508 .d_strategy = dastrategy, 509 .d_dump = dadump 510 }; 511 512 static SLIST_HEAD(,da_softc) softc_list; 513 static struct extend_array *daperiphs; 514 515 static int 516 daopen(struct dev_open_args *ap) 517 { 518 cdev_t dev = ap->a_head.a_dev; 519 struct cam_periph *periph; 520 struct da_softc *softc; 521 struct disklabel *label; 522 int unit; 523 int part; 524 int error; 525 526 unit = dkunit(dev); 527 part = dkpart(dev); 528 periph = cam_extend_get(daperiphs, unit); 529 if (periph == NULL) 530 return (ENXIO); 531 532 softc = (struct da_softc *)periph->softc; 533 534 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 535 ("daopen: dev=%s (unit %d , partition %d)\n", devtoname(dev), 536 unit, part)); 537 538 if ((error = cam_periph_lock(periph, PCATCH)) != 0) { 539 return (error); /* error code from tsleep */ 540 } 541 542 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 543 return(ENXIO); 544 softc->flags |= DA_FLAG_OPEN; 545 546 crit_enter(); 547 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 548 /* Invalidate our pack information. */ 549 disk_invalidate(&softc->disk); 550 softc->flags &= ~DA_FLAG_PACK_INVALID; 551 } 552 crit_exit(); 553 554 /* Do a read capacity */ 555 { 556 struct scsi_read_capacity_data *rcap; 557 union ccb *ccb; 558 559 rcap = kmalloc(sizeof(*rcap), M_TEMP, M_INTWAIT | M_ZERO); 560 561 ccb = cam_periph_getccb(periph, /*priority*/1); 562 scsi_read_capacity(&ccb->csio, 563 /*retries*/1, 564 /*cbfncp*/dadone, 565 MSG_SIMPLE_Q_TAG, 566 rcap, 567 SSD_FULL_SIZE, 568 /*timeout*/60000); 569 ccb->ccb_h.ccb_bio = NULL; 570 571 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0, 572 /*sense_flags*/SF_RETRY_UA | 573 SF_RETRY_SELTO, 574 &softc->device_stats); 575 576 xpt_release_ccb(ccb); 577 578 if (error == 0) { 579 dasetgeom(periph, rcap); 580 } 581 582 kfree(rcap, M_TEMP); 583 } 584 585 if (error == 0) { 586 struct ccb_getdev cgd; 587 588 /* Build label for whole disk. */ 589 label = &softc->disk.d_label; 590 bzero(label, sizeof(*label)); 591 label->d_type = DTYPE_SCSI; 592 593 /* 594 * Grab the inquiry data to get the vendor and product names. 595 * Put them in the typename and packname for the label. 596 */ 597 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1); 598 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 599 xpt_action((union ccb *)&cgd); 600 601 strncpy(label->d_typename, cgd.inq_data.vendor, 602 min(SID_VENDOR_SIZE, sizeof(label->d_typename))); 603 strncpy(label->d_packname, cgd.inq_data.product, 604 min(SID_PRODUCT_SIZE, sizeof(label->d_packname))); 605 606 label->d_secsize = softc->params.secsize; 607 label->d_nsectors = softc->params.secs_per_track; 608 label->d_ntracks = softc->params.heads; 609 label->d_ncylinders = softc->params.cylinders; 610 label->d_secpercyl = softc->params.heads 611 * softc->params.secs_per_track; 612 label->d_secperunit = softc->params.sectors; 613 614 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 615 (softc->quirks & DA_Q_NO_PREVENT) == 0) 616 daprevent(periph, PR_PREVENT); 617 618 /* 619 * Check to see whether or not the blocksize is set yet. 620 * If it isn't, set it and then clear the blocksize 621 * unavailable flag for the device statistics. 622 */ 623 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0){ 624 softc->device_stats.block_size = softc->params.secsize; 625 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE; 626 } 627 } 628 629 if (error != 0) { 630 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 631 (softc->quirks & DA_Q_NO_PREVENT) == 0) 632 daprevent(periph, PR_ALLOW); 633 softc->flags &= ~DA_FLAG_OPEN; 634 cam_periph_release(periph); 635 } 636 cam_periph_unlock(periph); 637 return (error); 638 } 639 640 static int 641 daclose(struct dev_close_args *ap) 642 { 643 cdev_t dev = ap->a_head.a_dev; 644 struct cam_periph *periph; 645 struct da_softc *softc; 646 int unit; 647 int error; 648 649 unit = dkunit(dev); 650 periph = cam_extend_get(daperiphs, unit); 651 if (periph == NULL) 652 return (ENXIO); 653 654 softc = (struct da_softc *)periph->softc; 655 656 if ((error = cam_periph_lock(periph, 0)) != 0) { 657 return (error); /* error code from tsleep */ 658 } 659 660 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 661 union ccb *ccb; 662 663 ccb = cam_periph_getccb(periph, /*priority*/1); 664 665 scsi_synchronize_cache(&ccb->csio, 666 /*retries*/1, 667 /*cbfcnp*/dadone, 668 MSG_SIMPLE_Q_TAG, 669 /*begin_lba*/0,/* Cover the whole disk */ 670 /*lb_count*/0, 671 SSD_FULL_SIZE, 672 5 * 60 * 1000); 673 674 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0, 675 /*sense_flags*/SF_RETRY_UA, 676 &softc->device_stats); 677 678 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 679 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == 680 CAM_SCSI_STATUS_ERROR) { 681 int asc, ascq; 682 int sense_key, error_code; 683 684 scsi_extract_sense(&ccb->csio.sense_data, 685 &error_code, 686 &sense_key, 687 &asc, &ascq); 688 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 689 scsi_sense_print(&ccb->csio); 690 } else { 691 xpt_print_path(periph->path); 692 kprintf("Synchronize cache failed, status " 693 "== 0x%x, scsi status == 0x%x\n", 694 ccb->csio.ccb_h.status, 695 ccb->csio.scsi_status); 696 } 697 } 698 699 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 700 cam_release_devq(ccb->ccb_h.path, 701 /*relsim_flags*/0, 702 /*reduction*/0, 703 /*timeout*/0, 704 /*getcount_only*/0); 705 706 xpt_release_ccb(ccb); 707 708 } 709 710 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) { 711 if ((softc->quirks & DA_Q_NO_PREVENT) == 0) 712 daprevent(periph, PR_ALLOW); 713 /* 714 * If we've got removeable media, mark the blocksize as 715 * unavailable, since it could change when new media is 716 * inserted. 717 */ 718 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE; 719 } 720 721 softc->flags &= ~DA_FLAG_OPEN; 722 cam_periph_unlock(periph); 723 cam_periph_release(periph); 724 return (0); 725 } 726 727 /* 728 * Actually translate the requested transfer into one the physical driver 729 * can understand. The transfer is described by a buf and will include 730 * only one physical transfer. 731 */ 732 static int 733 dastrategy(struct dev_strategy_args *ap) 734 { 735 cdev_t dev = ap->a_head.a_dev; 736 struct bio *bio = ap->a_bio; 737 struct buf *bp = bio->bio_buf; 738 struct cam_periph *periph; 739 struct da_softc *softc; 740 u_int unit; 741 u_int part; 742 743 unit = dkunit(dev); 744 part = dkpart(dev); 745 periph = cam_extend_get(daperiphs, unit); 746 if (periph == NULL) { 747 bp->b_error = ENXIO; 748 goto bad; 749 } 750 softc = (struct da_softc *)periph->softc; 751 #if 0 752 /* 753 * check it's not too big a transfer for our adapter 754 */ 755 scsi_minphys(bp, &sd_switch); 756 #endif 757 758 /* 759 * Mask interrupts so that the pack cannot be invalidated until 760 * after we are in the queue. Otherwise, we might not properly 761 * clean up one of the buffers. 762 */ 763 crit_enter(); 764 765 /* 766 * If the device has been made invalid, error out 767 */ 768 if ((softc->flags & DA_FLAG_PACK_INVALID)) { 769 crit_exit(); 770 bp->b_error = ENXIO; 771 goto bad; 772 } 773 774 /* 775 * Place it in the queue of disk activities for this disk 776 */ 777 bioqdisksort(&softc->bio_queue, bio); 778 779 crit_exit(); 780 781 /* 782 * Schedule ourselves for performing the work. 783 */ 784 xpt_schedule(periph, /* XXX priority */1); 785 786 return(0); 787 bad: 788 bp->b_flags |= B_ERROR; 789 790 /* 791 * Correctly set the buf to indicate a completed xfer 792 */ 793 bp->b_resid = bp->b_bcount; 794 biodone(bio); 795 return(0); 796 } 797 798 /* For 2.2-stable support */ 799 #ifndef ENOIOCTL 800 #define ENOIOCTL -1 801 #endif 802 803 static int 804 daioctl(struct dev_ioctl_args *ap) 805 { 806 cdev_t dev = ap->a_head.a_dev; 807 struct cam_periph *periph; 808 struct da_softc *softc; 809 int unit; 810 int error; 811 812 unit = dkunit(dev); 813 periph = cam_extend_get(daperiphs, unit); 814 if (periph == NULL) 815 return (ENXIO); 816 817 softc = (struct da_softc *)periph->softc; 818 819 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("daioctl\n")); 820 821 if ((error = cam_periph_lock(periph, PCATCH)) != 0) { 822 return (error); /* error code from tsleep */ 823 } 824 825 error = cam_periph_ioctl(periph, ap->a_cmd, ap->a_data, daerror); 826 827 cam_periph_unlock(periph); 828 829 return (error); 830 } 831 832 static int 833 dadump(struct dev_dump_args *ap) 834 { 835 cdev_t dev = ap->a_head.a_dev; 836 struct cam_periph *periph; 837 struct da_softc *softc; 838 u_int unit; 839 long blkcnt; 840 vm_paddr_t addr; 841 struct ccb_scsiio csio; 842 int dumppages = MAXDUMPPGS; 843 int i; 844 845 /* toss any characters present prior to dump */ 846 while (cncheckc() != -1) 847 ; 848 849 unit = dkunit(dev); 850 periph = cam_extend_get(daperiphs, unit); 851 if (periph == NULL) { 852 return (ENXIO); 853 } 854 softc = (struct da_softc *)periph->softc; 855 856 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) 857 return (ENXIO); 858 859 addr = 0; /* starting address */ 860 blkcnt = howmany(PAGE_SIZE, ap->a_secsize); 861 862 while (ap->a_count > 0) { 863 caddr_t va = NULL; 864 865 if ((ap->a_count / blkcnt) < dumppages) 866 dumppages = ap->a_count / blkcnt; 867 868 for (i = 0; i < dumppages; ++i) { 869 vm_paddr_t a = addr + (i * PAGE_SIZE); 870 if (is_physical_memory(a)) 871 va = pmap_kenter_temporary(trunc_page(a), i); 872 else 873 va = pmap_kenter_temporary(trunc_page(0), i); 874 } 875 876 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1); 877 csio.ccb_h.ccb_state = DA_CCB_DUMP; 878 scsi_read_write(&csio, 879 /*retries*/1, 880 dadone, 881 MSG_ORDERED_Q_TAG, 882 /*read*/FALSE, 883 /*byte2*/0, 884 /*minimum_cmd_size*/ softc->minimum_cmd_size, 885 ap->a_blkno, 886 blkcnt * dumppages, 887 /*data_ptr*/(u_int8_t *) va, 888 /*dxfer_len*/blkcnt * ap->a_secsize * dumppages, 889 /*sense_len*/SSD_FULL_SIZE, 890 DA_DEFAULT_TIMEOUT * 1000); 891 xpt_polled_action((union ccb *)&csio); 892 893 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 894 kprintf("Aborting dump due to I/O error.\n"); 895 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 896 CAM_SCSI_STATUS_ERROR) 897 scsi_sense_print(&csio); 898 else 899 kprintf("status == 0x%x, scsi status == 0x%x\n", 900 csio.ccb_h.status, csio.scsi_status); 901 return(EIO); 902 } 903 904 if (dumpstatus(addr, (off_t)ap->a_count * softc->params.secsize) < 0) 905 return (EINTR); 906 907 /* update block count */ 908 ap->a_count -= blkcnt * dumppages; 909 ap->a_blkno += blkcnt * dumppages; 910 addr += PAGE_SIZE * dumppages; 911 } 912 913 /* 914 * Sync the disk cache contents to the physical media. 915 */ 916 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 917 918 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1); 919 csio.ccb_h.ccb_state = DA_CCB_DUMP; 920 scsi_synchronize_cache(&csio, 921 /*retries*/1, 922 /*cbfcnp*/dadone, 923 MSG_SIMPLE_Q_TAG, 924 /*begin_lba*/0,/* Cover the whole disk */ 925 /*lb_count*/0, 926 SSD_FULL_SIZE, 927 5 * 60 * 1000); 928 xpt_polled_action((union ccb *)&csio); 929 930 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 931 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 932 CAM_SCSI_STATUS_ERROR) { 933 int asc, ascq; 934 int sense_key, error_code; 935 936 scsi_extract_sense(&csio.sense_data, 937 &error_code, 938 &sense_key, 939 &asc, &ascq); 940 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 941 scsi_sense_print(&csio); 942 } else { 943 xpt_print_path(periph->path); 944 kprintf("Synchronize cache failed, status " 945 "== 0x%x, scsi status == 0x%x\n", 946 csio.ccb_h.status, csio.scsi_status); 947 } 948 } 949 } 950 return (0); 951 } 952 953 static void 954 dainit(void) 955 { 956 cam_status status; 957 struct cam_path *path; 958 959 /* 960 * Create our extend array for storing the devices we attach to. 961 */ 962 daperiphs = cam_extend_new(); 963 SLIST_INIT(&softc_list); 964 if (daperiphs == NULL) { 965 kprintf("da: Failed to alloc extend array!\n"); 966 return; 967 } 968 969 callout_init(&dasendorderedtag_ch); 970 971 /* 972 * Install a global async callback. This callback will 973 * receive async callbacks like "new device found". 974 */ 975 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 976 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 977 978 if (status == CAM_REQ_CMP) { 979 struct ccb_setasync csa; 980 981 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 982 csa.ccb_h.func_code = XPT_SASYNC_CB; 983 csa.event_enable = AC_FOUND_DEVICE; 984 csa.callback = daasync; 985 csa.callback_arg = NULL; 986 xpt_action((union ccb *)&csa); 987 status = csa.ccb_h.status; 988 xpt_free_path(path); 989 } 990 991 if (status != CAM_REQ_CMP) { 992 kprintf("da: Failed to attach master async callback " 993 "due to status 0x%x!\n", status); 994 } else { 995 996 /* 997 * Schedule a periodic event to occasionally send an 998 * ordered tag to a device. 999 */ 1000 callout_reset(&dasendorderedtag_ch, 1001 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL, 1002 dasendorderedtag, NULL); 1003 1004 /* Register our shutdown event handler */ 1005 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown, 1006 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 1007 kprintf("dainit: shutdown event registration failed!\n"); 1008 } 1009 } 1010 1011 static void 1012 daoninvalidate(struct cam_periph *periph) 1013 { 1014 struct da_softc *softc; 1015 struct bio *q_bio; 1016 struct buf *q_bp; 1017 struct ccb_setasync csa; 1018 1019 softc = (struct da_softc *)periph->softc; 1020 1021 /* 1022 * De-register any async callbacks. 1023 */ 1024 xpt_setup_ccb(&csa.ccb_h, periph->path, 1025 /* priority */ 5); 1026 csa.ccb_h.func_code = XPT_SASYNC_CB; 1027 csa.event_enable = 0; 1028 csa.callback = daasync; 1029 csa.callback_arg = periph; 1030 xpt_action((union ccb *)&csa); 1031 1032 softc->flags |= DA_FLAG_PACK_INVALID; 1033 1034 /* 1035 * Use a critical section to keep the buffer queue from being 1036 * modified while we traverse it. 1037 */ 1038 crit_enter(); 1039 1040 /* 1041 * Return all queued I/O with ENXIO. 1042 * XXX Handle any transactions queued to the card 1043 * with XPT_ABORT_CCB. 1044 */ 1045 while ((q_bio = bioq_first(&softc->bio_queue)) != NULL){ 1046 bioq_remove(&softc->bio_queue, q_bio); 1047 q_bp = q_bio->bio_buf; 1048 q_bp->b_resid = q_bp->b_bcount; 1049 q_bp->b_error = ENXIO; 1050 q_bp->b_flags |= B_ERROR; 1051 biodone(q_bio); 1052 } 1053 crit_exit(); 1054 1055 SLIST_REMOVE(&softc_list, softc, da_softc, links); 1056 1057 xpt_print_path(periph->path); 1058 kprintf("lost device\n"); 1059 } 1060 1061 static void 1062 dacleanup(struct cam_periph *periph) 1063 { 1064 struct da_softc *softc; 1065 1066 softc = (struct da_softc *)periph->softc; 1067 1068 devstat_remove_entry(&softc->device_stats); 1069 cam_extend_release(daperiphs, periph->unit_number); 1070 xpt_print_path(periph->path); 1071 kprintf("removing device entry\n"); 1072 /* 1073 * If we can't free the sysctl tree, oh well... 1074 */ 1075 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0 1076 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 1077 xpt_print_path(periph->path); 1078 kprintf("can't remove sysctl context\n"); 1079 } 1080 if (softc->disk.d_rawdev) { 1081 disk_destroy(&softc->disk); 1082 } 1083 kfree(softc, M_DEVBUF); 1084 } 1085 1086 static void 1087 daasync(void *callback_arg, u_int32_t code, 1088 struct cam_path *path, void *arg) 1089 { 1090 struct cam_periph *periph; 1091 1092 periph = (struct cam_periph *)callback_arg; 1093 switch (code) { 1094 case AC_FOUND_DEVICE: 1095 { 1096 struct ccb_getdev *cgd; 1097 cam_status status; 1098 1099 cgd = (struct ccb_getdev *)arg; 1100 1101 if (SID_TYPE(&cgd->inq_data) != T_DIRECT 1102 && SID_TYPE(&cgd->inq_data) != T_RBC 1103 && SID_TYPE(&cgd->inq_data) != T_OPTICAL) 1104 break; 1105 1106 /* 1107 * Allocate a peripheral instance for 1108 * this device and start the probe 1109 * process. 1110 */ 1111 status = cam_periph_alloc(daregister, daoninvalidate, 1112 dacleanup, dastart, 1113 "da", CAM_PERIPH_BIO, 1114 cgd->ccb_h.path, daasync, 1115 AC_FOUND_DEVICE, cgd); 1116 1117 if (status != CAM_REQ_CMP 1118 && status != CAM_REQ_INPROG) 1119 kprintf("daasync: Unable to attach to new device " 1120 "due to status 0x%x\n", status); 1121 break; 1122 } 1123 case AC_SENT_BDR: 1124 case AC_BUS_RESET: 1125 { 1126 struct da_softc *softc; 1127 struct ccb_hdr *ccbh; 1128 1129 softc = (struct da_softc *)periph->softc; 1130 crit_enter(); 1131 /* 1132 * Don't fail on the expected unit attention 1133 * that will occur. 1134 */ 1135 softc->flags |= DA_FLAG_RETRY_UA; 1136 for (ccbh = LIST_FIRST(&softc->pending_ccbs); 1137 ccbh != NULL; ccbh = LIST_NEXT(ccbh, periph_links.le)) 1138 ccbh->ccb_state |= DA_CCB_RETRY_UA; 1139 crit_exit(); 1140 /* FALLTHROUGH*/ 1141 } 1142 default: 1143 cam_periph_async(periph, code, path, arg); 1144 break; 1145 } 1146 } 1147 1148 static void 1149 dasysctlinit(void *context, int pending) 1150 { 1151 struct cam_periph *periph; 1152 struct da_softc *softc; 1153 char tmpstr[80], tmpstr2[80]; 1154 1155 periph = (struct cam_periph *)context; 1156 softc = (struct da_softc *)periph->softc; 1157 1158 ksnprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number); 1159 ksnprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1160 1161 sysctl_ctx_init(&softc->sysctl_ctx); 1162 softc->flags |= DA_FLAG_SCTX_INIT; 1163 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1164 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2, 1165 CTLFLAG_RD, 0, tmpstr); 1166 if (softc->sysctl_tree == NULL) { 1167 kprintf("dasysctlinit: unable to allocate sysctl tree\n"); 1168 return; 1169 } 1170 1171 /* 1172 * Now register the sysctl handler, so the user can the value on 1173 * the fly. 1174 */ 1175 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 1176 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 1177 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I", 1178 "Minimum CDB size"); 1179 } 1180 1181 static int 1182 dacmdsizesysctl(SYSCTL_HANDLER_ARGS) 1183 { 1184 int error, value; 1185 1186 value = *(int *)arg1; 1187 1188 error = sysctl_handle_int(oidp, &value, 0, req); 1189 1190 if ((error != 0) 1191 || (req->newptr == NULL)) 1192 return (error); 1193 1194 /* 1195 * Acceptable values here are 6, 10 or 12. It's possible we may 1196 * support a 16 byte minimum command size in the future, since 1197 * there are now READ(16) and WRITE(16) commands defined in the 1198 * SBC-2 spec. 1199 */ 1200 if (value < 6) 1201 value = 6; 1202 else if ((value > 6) 1203 && (value <= 10)) 1204 value = 10; 1205 else if (value > 10) 1206 value = 12; 1207 1208 *(int *)arg1 = value; 1209 1210 return (0); 1211 } 1212 1213 static cam_status 1214 daregister(struct cam_periph *periph, void *arg) 1215 { 1216 struct da_softc *softc; 1217 struct ccb_setasync csa; 1218 struct ccb_pathinq cpi; 1219 struct ccb_getdev *cgd; 1220 char tmpstr[80]; 1221 caddr_t match; 1222 1223 cgd = (struct ccb_getdev *)arg; 1224 if (periph == NULL) { 1225 kprintf("daregister: periph was NULL!!\n"); 1226 return(CAM_REQ_CMP_ERR); 1227 } 1228 1229 if (cgd == NULL) { 1230 kprintf("daregister: no getdev CCB, can't register device\n"); 1231 return(CAM_REQ_CMP_ERR); 1232 } 1233 1234 softc = kmalloc(sizeof(*softc), M_DEVBUF, M_INTWAIT | M_ZERO); 1235 LIST_INIT(&softc->pending_ccbs); 1236 softc->state = DA_STATE_PROBE; 1237 bioq_init(&softc->bio_queue); 1238 if (SID_IS_REMOVABLE(&cgd->inq_data)) 1239 softc->flags |= DA_FLAG_PACK_REMOVABLE; 1240 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 1241 softc->flags |= DA_FLAG_TAGGED_QUEUING; 1242 1243 periph->softc = softc; 1244 1245 cam_extend_set(daperiphs, periph->unit_number, periph); 1246 1247 /* 1248 * See if this device has any quirks. 1249 */ 1250 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 1251 (caddr_t)da_quirk_table, 1252 sizeof(da_quirk_table)/sizeof(*da_quirk_table), 1253 sizeof(*da_quirk_table), scsi_inquiry_match); 1254 1255 if (match != NULL) 1256 softc->quirks = ((struct da_quirk_entry *)match)->quirks; 1257 else 1258 softc->quirks = DA_Q_NONE; 1259 1260 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph); 1261 1262 /* Check if the SIM does not want 6 byte commands */ 1263 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 1264 cpi.ccb_h.func_code = XPT_PATH_INQ; 1265 xpt_action((union ccb *)&cpi); 1266 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 1267 softc->quirks |= DA_Q_NO_6_BYTE; 1268 1269 /* 1270 * RBC devices don't have to support READ(6), only READ(10). 1271 */ 1272 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC) 1273 softc->minimum_cmd_size = 10; 1274 else 1275 softc->minimum_cmd_size = 6; 1276 1277 /* 1278 * Load the user's default, if any. 1279 */ 1280 ksnprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size", 1281 periph->unit_number); 1282 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size); 1283 1284 /* 1285 * 6, 10 and 12 are the currently permissible values. 1286 */ 1287 if (softc->minimum_cmd_size < 6) 1288 softc->minimum_cmd_size = 6; 1289 else if ((softc->minimum_cmd_size > 6) 1290 && (softc->minimum_cmd_size <= 10)) 1291 softc->minimum_cmd_size = 10; 1292 else if (softc->minimum_cmd_size > 12) 1293 softc->minimum_cmd_size = 12; 1294 1295 /* 1296 * Block our timeout handler while we 1297 * add this softc to the dev list. 1298 */ 1299 crit_enter(); 1300 SLIST_INSERT_HEAD(&softc_list, softc, links); 1301 crit_exit(); 1302 1303 /* 1304 * The DA driver supports a blocksize, but 1305 * we don't know the blocksize until we do 1306 * a read capacity. So, set a flag to 1307 * indicate that the blocksize is 1308 * unavailable right now. We'll clear the 1309 * flag as soon as we've done a read capacity. 1310 */ 1311 devstat_add_entry(&softc->device_stats, "da", 1312 periph->unit_number, 0, 1313 DEVSTAT_BS_UNAVAILABLE, 1314 SID_TYPE(&cgd->inq_data) | DEVSTAT_TYPE_IF_SCSI, 1315 DEVSTAT_PRIORITY_DISK); 1316 1317 /* 1318 * Register this media as a disk 1319 */ 1320 disk_create(periph->unit_number, &softc->disk, 0, &da_ops); 1321 1322 /* 1323 * Add async callbacks for bus reset and 1324 * bus device reset calls. I don't bother 1325 * checking if this fails as, in most cases, 1326 * the system will function just fine without 1327 * them and the only alternative would be to 1328 * not attach the device on failure. 1329 */ 1330 xpt_setup_ccb(&csa.ccb_h, periph->path, /*priority*/5); 1331 csa.ccb_h.func_code = XPT_SASYNC_CB; 1332 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 1333 csa.callback = daasync; 1334 csa.callback_arg = periph; 1335 xpt_action((union ccb *)&csa); 1336 /* 1337 * Lock this peripheral until we are setup. 1338 * This first call can't block 1339 */ 1340 cam_periph_lock(periph, 0); 1341 xpt_schedule(periph, /*priority*/5); 1342 1343 return(CAM_REQ_CMP); 1344 } 1345 1346 static void 1347 dastart(struct cam_periph *periph, union ccb *start_ccb) 1348 { 1349 struct da_softc *softc; 1350 1351 softc = (struct da_softc *)periph->softc; 1352 1353 1354 switch (softc->state) { 1355 case DA_STATE_NORMAL: 1356 { 1357 /* Pull a buffer from the queue and get going on it */ 1358 struct bio *bio; 1359 struct buf *bp; 1360 1361 /* 1362 * See if there is a buf with work for us to do.. 1363 */ 1364 crit_enter(); 1365 bio = bioq_first(&softc->bio_queue); 1366 if (periph->immediate_priority <= periph->pinfo.priority) { 1367 CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE, 1368 ("queuing for immediate ccb\n")); 1369 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING; 1370 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1371 periph_links.sle); 1372 periph->immediate_priority = CAM_PRIORITY_NONE; 1373 crit_exit(); 1374 wakeup(&periph->ccb_list); 1375 } else if (bio == NULL) { 1376 crit_exit(); 1377 xpt_release_ccb(start_ccb); 1378 } else { 1379 u_int8_t tag_code; 1380 1381 bioq_remove(&softc->bio_queue, bio); 1382 bp = bio->bio_buf; 1383 1384 devstat_start_transaction(&softc->device_stats); 1385 1386 if ((bp->b_flags & B_ORDERED) != 0 1387 || (softc->flags & DA_FLAG_NEED_OTAG) != 0) { 1388 softc->flags &= ~DA_FLAG_NEED_OTAG; 1389 softc->ordered_tag_count++; 1390 tag_code = MSG_ORDERED_Q_TAG; 1391 } else { 1392 tag_code = MSG_SIMPLE_Q_TAG; 1393 } 1394 1395 KKASSERT(bio->bio_offset % softc->params.secsize == 0); 1396 1397 scsi_read_write(&start_ccb->csio, 1398 /*retries*/da_retry_count, 1399 dadone, 1400 tag_code, 1401 (bp->b_cmd == BUF_CMD_READ), 1402 /*byte2*/0, 1403 softc->minimum_cmd_size, 1404 bio->bio_offset / softc->params.secsize, 1405 bp->b_bcount / softc->params.secsize, 1406 bp->b_data, 1407 bp->b_bcount, 1408 /*sense_len*/SSD_FULL_SIZE, 1409 da_default_timeout * 1000); 1410 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO; 1411 1412 /* 1413 * Block out any asyncronous callbacks 1414 * while we touch the pending ccb list. 1415 */ 1416 LIST_INSERT_HEAD(&softc->pending_ccbs, 1417 &start_ccb->ccb_h, periph_links.le); 1418 1419 /* We expect a unit attention from this device */ 1420 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) { 1421 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA; 1422 softc->flags &= ~DA_FLAG_RETRY_UA; 1423 } 1424 1425 start_ccb->ccb_h.ccb_bio = bio; 1426 bio = bioq_first(&softc->bio_queue); 1427 crit_exit(); 1428 1429 xpt_action(start_ccb); 1430 } 1431 1432 if (bio != NULL) { 1433 /* Have more work to do, so ensure we stay scheduled */ 1434 xpt_schedule(periph, /* XXX priority */1); 1435 } 1436 break; 1437 } 1438 case DA_STATE_PROBE: 1439 { 1440 struct ccb_scsiio *csio; 1441 struct scsi_read_capacity_data *rcap; 1442 1443 rcap = kmalloc(sizeof(*rcap), M_TEMP, M_INTWAIT | M_ZERO); 1444 csio = &start_ccb->csio; 1445 scsi_read_capacity(csio, 1446 /*retries*/4, 1447 dadone, 1448 MSG_SIMPLE_Q_TAG, 1449 rcap, 1450 SSD_FULL_SIZE, 1451 /*timeout*/5000); 1452 start_ccb->ccb_h.ccb_bio = NULL; 1453 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE; 1454 xpt_action(start_ccb); 1455 break; 1456 } 1457 } 1458 } 1459 1460 static int 1461 cmd6workaround(union ccb *ccb) 1462 { 1463 struct scsi_rw_6 cmd6; 1464 struct scsi_rw_10 *cmd10; 1465 struct da_softc *softc; 1466 u_int8_t *cdb; 1467 int frozen; 1468 1469 cdb = ccb->csio.cdb_io.cdb_bytes; 1470 1471 /* Translation only possible if CDB is an array and cmd is R/W6 */ 1472 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 || 1473 (*cdb != READ_6 && *cdb != WRITE_6)) 1474 return 0; 1475 1476 xpt_print_path(ccb->ccb_h.path); 1477 kprintf("READ(6)/WRITE(6) not supported, " 1478 "increasing minimum_cmd_size to 10.\n"); 1479 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc; 1480 softc->minimum_cmd_size = 10; 1481 1482 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6)); 1483 cmd10 = (struct scsi_rw_10 *)cdb; 1484 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10; 1485 cmd10->byte2 = 0; 1486 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr); 1487 cmd10->reserved = 0; 1488 scsi_ulto2b(cmd6.length, cmd10->length); 1489 cmd10->control = cmd6.control; 1490 ccb->csio.cdb_len = sizeof(*cmd10); 1491 1492 /* Requeue request, unfreezing queue if necessary */ 1493 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 1494 ccb->ccb_h.status = CAM_REQUEUE_REQ; 1495 xpt_action(ccb); 1496 if (frozen) { 1497 cam_release_devq(ccb->ccb_h.path, 1498 /*relsim_flags*/0, 1499 /*reduction*/0, 1500 /*timeout*/0, 1501 /*getcount_only*/0); 1502 } 1503 return (ERESTART); 1504 } 1505 1506 static void 1507 dadone(struct cam_periph *periph, union ccb *done_ccb) 1508 { 1509 struct da_softc *softc; 1510 struct ccb_scsiio *csio; 1511 1512 softc = (struct da_softc *)periph->softc; 1513 csio = &done_ccb->csio; 1514 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) { 1515 case DA_CCB_BUFFER_IO: 1516 { 1517 struct buf *bp; 1518 struct bio *bio; 1519 1520 bio = (struct bio *)done_ccb->ccb_h.ccb_bio; 1521 bp = bio->bio_buf; 1522 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1523 int error; 1524 int sf; 1525 1526 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0) 1527 sf = SF_RETRY_UA; 1528 else 1529 sf = 0; 1530 1531 /* Retry selection timeouts */ 1532 sf |= SF_RETRY_SELTO; 1533 1534 if ((error = daerror(done_ccb, 0, sf)) == ERESTART) { 1535 /* 1536 * A retry was scheuled, so 1537 * just return. 1538 */ 1539 return; 1540 } 1541 if (error != 0) { 1542 struct bio *q_bio; 1543 struct buf *q_bp; 1544 1545 crit_enter(); 1546 1547 if (error == ENXIO) { 1548 /* 1549 * Catastrophic error. Mark our pack as 1550 * invalid. 1551 */ 1552 /* XXX See if this is really a media 1553 * change first. 1554 */ 1555 xpt_print_path(periph->path); 1556 kprintf("Invalidating pack\n"); 1557 softc->flags |= DA_FLAG_PACK_INVALID; 1558 } 1559 1560 /* 1561 * return all queued I/O with EIO, so that 1562 * the client can retry these I/Os in the 1563 * proper order should it attempt to recover. 1564 */ 1565 while ((q_bio = bioq_first(&softc->bio_queue)) 1566 != NULL) { 1567 bioq_remove(&softc->bio_queue, q_bio); 1568 q_bp = q_bio->bio_buf; 1569 q_bp->b_resid = q_bp->b_bcount; 1570 q_bp->b_error = EIO; 1571 q_bp->b_flags |= B_ERROR; 1572 biodone(q_bio); 1573 } 1574 crit_exit(); 1575 bp->b_error = error; 1576 bp->b_resid = bp->b_bcount; 1577 bp->b_flags |= B_ERROR; 1578 } else { 1579 bp->b_resid = csio->resid; 1580 bp->b_error = 0; 1581 if (bp->b_resid != 0) 1582 bp->b_flags |= B_ERROR; 1583 } 1584 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1585 cam_release_devq(done_ccb->ccb_h.path, 1586 /*relsim_flags*/0, 1587 /*reduction*/0, 1588 /*timeout*/0, 1589 /*getcount_only*/0); 1590 } else { 1591 bp->b_resid = csio->resid; 1592 if (csio->resid > 0) 1593 bp->b_flags |= B_ERROR; 1594 } 1595 1596 /* 1597 * Block out any asyncronous callbacks 1598 * while we touch the pending ccb list. 1599 */ 1600 crit_enter(); 1601 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1602 crit_exit(); 1603 1604 if (softc->device_stats.busy_count == 0) 1605 softc->flags |= DA_FLAG_WENT_IDLE; 1606 1607 devstat_end_transaction_buf(&softc->device_stats, bp); 1608 biodone(bio); 1609 break; 1610 } 1611 case DA_CCB_PROBE: 1612 { 1613 struct scsi_read_capacity_data *rdcap; 1614 char announce_buf[80]; 1615 1616 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr; 1617 1618 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1619 struct disk_params *dp; 1620 1621 dasetgeom(periph, rdcap); 1622 dp = &softc->params; 1623 ksnprintf(announce_buf, sizeof(announce_buf), 1624 "%luMB (%u %u byte sectors: %dH %dS/T %dC)", 1625 (unsigned long) (((u_int64_t)dp->secsize * 1626 dp->sectors) / (1024*1024)), dp->sectors, 1627 dp->secsize, dp->heads, dp->secs_per_track, 1628 dp->cylinders); 1629 } else { 1630 int error; 1631 1632 announce_buf[0] = '\0'; 1633 1634 /* 1635 * Retry any UNIT ATTENTION type errors. They 1636 * are expected at boot. 1637 */ 1638 error = daerror(done_ccb, 0, SF_RETRY_UA | 1639 SF_RETRY_SELTO | SF_NO_PRINT); 1640 if (error == ERESTART) { 1641 /* 1642 * A retry was scheuled, so 1643 * just return. 1644 */ 1645 return; 1646 } else if (error != 0) { 1647 struct scsi_sense_data *sense; 1648 int asc, ascq; 1649 int sense_key, error_code; 1650 int have_sense; 1651 cam_status status; 1652 struct ccb_getdev cgd; 1653 1654 /* Don't wedge this device's queue */ 1655 cam_release_devq(done_ccb->ccb_h.path, 1656 /*relsim_flags*/0, 1657 /*reduction*/0, 1658 /*timeout*/0, 1659 /*getcount_only*/0); 1660 1661 status = done_ccb->ccb_h.status; 1662 1663 xpt_setup_ccb(&cgd.ccb_h, 1664 done_ccb->ccb_h.path, 1665 /* priority */ 1); 1666 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1667 xpt_action((union ccb *)&cgd); 1668 1669 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1670 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1671 || ((status & CAM_AUTOSNS_VALID) == 0)) 1672 have_sense = FALSE; 1673 else 1674 have_sense = TRUE; 1675 1676 if (have_sense) { 1677 sense = &csio->sense_data; 1678 scsi_extract_sense(sense, &error_code, 1679 &sense_key, 1680 &asc, &ascq); 1681 } 1682 /* 1683 * Attach to anything that claims to be a 1684 * direct access or optical disk device, 1685 * as long as it doesn't return a "Logical 1686 * unit not supported" (0x25) error. 1687 */ 1688 if ((have_sense) && (asc != 0x25) 1689 && (error_code == SSD_CURRENT_ERROR)) 1690 ksnprintf(announce_buf, 1691 sizeof(announce_buf), 1692 "Attempt to query device " 1693 "size failed: %s, %s", 1694 scsi_sense_key_text[sense_key], 1695 scsi_sense_desc(asc,ascq, 1696 &cgd.inq_data)); 1697 else { 1698 if (have_sense) 1699 scsi_sense_print( 1700 &done_ccb->csio); 1701 else { 1702 xpt_print_path(periph->path); 1703 kprintf("got CAM status %#x\n", 1704 done_ccb->ccb_h.status); 1705 } 1706 1707 xpt_print_path(periph->path); 1708 kprintf("fatal error, failed" 1709 " to attach to device\n"); 1710 1711 /* 1712 * Free up resources. 1713 */ 1714 cam_periph_invalidate(periph); 1715 } 1716 } 1717 } 1718 kfree(rdcap, M_TEMP); 1719 if (announce_buf[0] != '\0') { 1720 xpt_announce_periph(periph, announce_buf); 1721 /* 1722 * Create our sysctl variables, now that we know 1723 * we have successfully attached. 1724 */ 1725 taskqueue_enqueue(taskqueue_thread[mycpuid], 1726 &softc->sysctl_task); 1727 } 1728 softc->state = DA_STATE_NORMAL; 1729 /* 1730 * Since our peripheral may be invalidated by an error 1731 * above or an external event, we must release our CCB 1732 * before releasing the probe lock on the peripheral. 1733 * The peripheral will only go away once the last lock 1734 * is removed, and we need it around for the CCB release 1735 * operation. 1736 */ 1737 xpt_release_ccb(done_ccb); 1738 cam_periph_unlock(periph); 1739 return; 1740 } 1741 case DA_CCB_WAITING: 1742 { 1743 /* Caller will release the CCB */ 1744 wakeup(&done_ccb->ccb_h.cbfcnp); 1745 return; 1746 } 1747 case DA_CCB_DUMP: 1748 /* No-op. We're polling */ 1749 return; 1750 default: 1751 break; 1752 } 1753 xpt_release_ccb(done_ccb); 1754 } 1755 1756 static int 1757 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1758 { 1759 struct da_softc *softc; 1760 struct cam_periph *periph; 1761 int error; 1762 1763 periph = xpt_path_periph(ccb->ccb_h.path); 1764 softc = (struct da_softc *)periph->softc; 1765 1766 /* 1767 * Automatically detect devices that do not support 1768 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs. 1769 */ 1770 error = 0; 1771 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 1772 error = cmd6workaround(ccb); 1773 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 1774 CAM_SCSI_STATUS_ERROR) 1775 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 1776 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 1777 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 1778 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 1779 int sense_key, error_code, asc, ascq; 1780 1781 scsi_extract_sense(&ccb->csio.sense_data, 1782 &error_code, &sense_key, &asc, &ascq); 1783 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 1784 error = cmd6workaround(ccb); 1785 } 1786 if (error == ERESTART) 1787 return (ERESTART); 1788 1789 /* 1790 * XXX 1791 * Until we have a better way of doing pack validation, 1792 * don't treat UAs as errors. 1793 */ 1794 sense_flags |= SF_RETRY_UA; 1795 return(cam_periph_error(ccb, cam_flags, sense_flags, 1796 &softc->saved_ccb)); 1797 } 1798 1799 static void 1800 daprevent(struct cam_periph *periph, int action) 1801 { 1802 struct da_softc *softc; 1803 union ccb *ccb; 1804 int error; 1805 1806 softc = (struct da_softc *)periph->softc; 1807 1808 if (((action == PR_ALLOW) 1809 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0) 1810 || ((action == PR_PREVENT) 1811 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) { 1812 return; 1813 } 1814 1815 ccb = cam_periph_getccb(periph, /*priority*/1); 1816 1817 scsi_prevent(&ccb->csio, 1818 /*retries*/1, 1819 /*cbcfp*/dadone, 1820 MSG_SIMPLE_Q_TAG, 1821 action, 1822 SSD_FULL_SIZE, 1823 5000); 1824 1825 error = cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0, 1826 /*sense_flags*/0, &softc->device_stats); 1827 1828 if (error == 0) { 1829 if (action == PR_ALLOW) 1830 softc->flags &= ~DA_FLAG_PACK_LOCKED; 1831 else 1832 softc->flags |= DA_FLAG_PACK_LOCKED; 1833 } 1834 1835 xpt_release_ccb(ccb); 1836 } 1837 1838 static void 1839 dasetgeom(struct cam_periph *periph, struct scsi_read_capacity_data * rdcap) 1840 { 1841 struct ccb_calc_geometry ccg; 1842 struct da_softc *softc; 1843 struct disk_params *dp; 1844 1845 softc = (struct da_softc *)periph->softc; 1846 1847 dp = &softc->params; 1848 dp->secsize = scsi_4btoul(rdcap->length); 1849 dp->sectors = scsi_4btoul(rdcap->addr) + 1; 1850 /* 1851 * Have the controller provide us with a geometry 1852 * for this disk. The only time the geometry 1853 * matters is when we boot and the controller 1854 * is the only one knowledgeable enough to come 1855 * up with something that will make this a bootable 1856 * device. 1857 */ 1858 xpt_setup_ccb(&ccg.ccb_h, periph->path, /*priority*/1); 1859 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY; 1860 ccg.block_size = dp->secsize; 1861 ccg.volume_size = dp->sectors; 1862 ccg.heads = 0; 1863 ccg.secs_per_track = 0; 1864 ccg.cylinders = 0; 1865 xpt_action((union ccb*)&ccg); 1866 dp->heads = ccg.heads; 1867 dp->secs_per_track = ccg.secs_per_track; 1868 dp->cylinders = ccg.cylinders; 1869 } 1870 1871 static void 1872 dasendorderedtag(void *arg) 1873 { 1874 struct da_softc *softc; 1875 1876 for (softc = SLIST_FIRST(&softc_list); 1877 softc != NULL; 1878 softc = SLIST_NEXT(softc, links)) { 1879 crit_enter(); 1880 if ((softc->ordered_tag_count == 0) 1881 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) { 1882 softc->flags |= DA_FLAG_NEED_OTAG; 1883 } 1884 if (softc->device_stats.busy_count > 0) 1885 softc->flags &= ~DA_FLAG_WENT_IDLE; 1886 1887 softc->ordered_tag_count = 0; 1888 crit_exit(); 1889 } 1890 /* Queue us up again */ 1891 callout_reset(&dasendorderedtag_ch, 1892 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL, 1893 dasendorderedtag, NULL); 1894 } 1895 1896 /* 1897 * Step through all DA peripheral drivers, and if the device is still open, 1898 * sync the disk cache to physical media. 1899 */ 1900 static void 1901 dashutdown(void * arg, int howto) 1902 { 1903 struct cam_periph *periph; 1904 struct da_softc *softc; 1905 1906 for (periph = TAILQ_FIRST(&dadriver.units); periph != NULL; 1907 periph = TAILQ_NEXT(periph, unit_links)) { 1908 union ccb ccb; 1909 softc = (struct da_softc *)periph->softc; 1910 1911 /* 1912 * We only sync the cache if the drive is still open, and 1913 * if the drive is capable of it.. 1914 */ 1915 if (((softc->flags & DA_FLAG_OPEN) == 0) 1916 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) 1917 continue; 1918 1919 xpt_setup_ccb(&ccb.ccb_h, periph->path, /*priority*/1); 1920 1921 ccb.ccb_h.ccb_state = DA_CCB_DUMP; 1922 scsi_synchronize_cache(&ccb.csio, 1923 /*retries*/1, 1924 /*cbfcnp*/dadone, 1925 MSG_SIMPLE_Q_TAG, 1926 /*begin_lba*/0, /* whole disk */ 1927 /*lb_count*/0, 1928 SSD_FULL_SIZE, 1929 5 * 60 * 1000); 1930 1931 xpt_polled_action(&ccb); 1932 1933 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1934 if (((ccb.ccb_h.status & CAM_STATUS_MASK) == 1935 CAM_SCSI_STATUS_ERROR) 1936 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){ 1937 int error_code, sense_key, asc, ascq; 1938 1939 scsi_extract_sense(&ccb.csio.sense_data, 1940 &error_code, &sense_key, 1941 &asc, &ascq); 1942 1943 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 1944 scsi_sense_print(&ccb.csio); 1945 } else { 1946 xpt_print_path(periph->path); 1947 kprintf("Synchronize cache failed, status " 1948 "== 0x%x, scsi status == 0x%x\n", 1949 ccb.ccb_h.status, ccb.csio.scsi_status); 1950 } 1951 } 1952 1953 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 1954 cam_release_devq(ccb.ccb_h.path, 1955 /*relsim_flags*/0, 1956 /*reduction*/0, 1957 /*timeout*/0, 1958 /*getcount_only*/0); 1959 1960 } 1961 } 1962 1963 #else /* !_KERNEL */ 1964 1965 /* 1966 * XXX This is only left out of the kernel build to silence warnings. If, 1967 * for some reason this function is used in the kernel, the ifdefs should 1968 * be moved so it is included both in the kernel and userland. 1969 */ 1970 void 1971 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries, 1972 void (*cbfcnp)(struct cam_periph *, union ccb *), 1973 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave, 1974 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 1975 u_int32_t timeout) 1976 { 1977 struct scsi_format_unit *scsi_cmd; 1978 1979 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes; 1980 scsi_cmd->opcode = FORMAT_UNIT; 1981 scsi_cmd->byte2 = byte2; 1982 scsi_ulto2b(ileave, scsi_cmd->interleave); 1983 1984 cam_fill_csio(csio, 1985 retries, 1986 cbfcnp, 1987 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 1988 tag_action, 1989 data_ptr, 1990 dxfer_len, 1991 sense_len, 1992 sizeof(*scsi_cmd), 1993 timeout); 1994 } 1995 1996 #endif /* _KERNEL */ 1997