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 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 34 #ifdef _KERNEL 35 #include <sys/systm.h> 36 #include <sys/kernel.h> 37 #include <sys/bio.h> 38 #include <sys/sysctl.h> 39 #include <sys/taskqueue.h> 40 #endif /* _KERNEL */ 41 42 #include <sys/devicestat.h> 43 #include <sys/conf.h> 44 #include <sys/eventhandler.h> 45 #include <sys/malloc.h> 46 #include <sys/cons.h> 47 48 #include <machine/md_var.h> 49 50 #include <vm/vm.h> 51 #include <vm/pmap.h> 52 53 #include <geom/geom_disk.h> 54 55 #ifndef _KERNEL 56 #include <stdio.h> 57 #include <string.h> 58 #endif /* _KERNEL */ 59 60 #include <cam/cam.h> 61 #include <cam/cam_ccb.h> 62 #include <cam/cam_periph.h> 63 #include <cam/cam_xpt_periph.h> 64 65 #include <cam/scsi/scsi_message.h> 66 67 #ifndef _KERNEL 68 #include <cam/scsi/scsi_da.h> 69 #endif /* !_KERNEL */ 70 71 #ifdef _KERNEL 72 typedef enum { 73 DA_STATE_PROBE, 74 DA_STATE_PROBE2, 75 DA_STATE_NORMAL 76 } da_state; 77 78 typedef enum { 79 DA_FLAG_PACK_INVALID = 0x001, 80 DA_FLAG_NEW_PACK = 0x002, 81 DA_FLAG_PACK_LOCKED = 0x004, 82 DA_FLAG_PACK_REMOVABLE = 0x008, 83 DA_FLAG_TAGGED_QUEUING = 0x010, 84 DA_FLAG_NEED_OTAG = 0x020, 85 DA_FLAG_WENT_IDLE = 0x040, 86 DA_FLAG_RETRY_UA = 0x080, 87 DA_FLAG_OPEN = 0x100, 88 DA_FLAG_SCTX_INIT = 0x200 89 } da_flags; 90 91 typedef enum { 92 DA_Q_NONE = 0x00, 93 DA_Q_NO_SYNC_CACHE = 0x01, 94 DA_Q_NO_6_BYTE = 0x02, 95 DA_Q_NO_PREVENT = 0x04 96 } da_quirks; 97 98 typedef enum { 99 DA_CCB_PROBE = 0x01, 100 DA_CCB_PROBE2 = 0x02, 101 DA_CCB_BUFFER_IO = 0x03, 102 DA_CCB_WAITING = 0x04, 103 DA_CCB_DUMP = 0x05, 104 DA_CCB_TYPE_MASK = 0x0F, 105 DA_CCB_RETRY_UA = 0x10 106 } da_ccb_state; 107 108 /* Offsets into our private area for storing information */ 109 #define ccb_state ppriv_field0 110 #define ccb_bp ppriv_ptr1 111 112 struct disk_params { 113 u_int8_t heads; 114 u_int32_t cylinders; 115 u_int8_t secs_per_track; 116 u_int32_t secsize; /* Number of bytes/sector */ 117 u_int64_t sectors; /* total number sectors */ 118 }; 119 120 struct da_softc { 121 struct bio_queue_head bio_queue; 122 SLIST_ENTRY(da_softc) links; 123 LIST_HEAD(, ccb_hdr) pending_ccbs; 124 da_state state; 125 da_flags flags; 126 da_quirks quirks; 127 int minimum_cmd_size; 128 int ordered_tag_count; 129 int outstanding_cmds; 130 struct disk_params params; 131 struct disk *disk; 132 union ccb saved_ccb; 133 struct task sysctl_task; 134 struct sysctl_ctx_list sysctl_ctx; 135 struct sysctl_oid *sysctl_tree; 136 }; 137 138 struct da_quirk_entry { 139 struct scsi_inquiry_pattern inq_pat; 140 da_quirks quirks; 141 }; 142 143 static const char quantum[] = "QUANTUM"; 144 static const char microp[] = "MICROP"; 145 146 static struct da_quirk_entry da_quirk_table[] = 147 { 148 /* SPI, FC devices */ 149 { 150 /* 151 * Fujitsu M2513A MO drives. 152 * Tested devices: M2513A2 firmware versions 1200 & 1300. 153 * (dip switch selects whether T_DIRECT or T_OPTICAL device) 154 * Reported by: W.Scholten <whs@xs4all.nl> 155 */ 156 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 157 /*quirks*/ DA_Q_NO_SYNC_CACHE 158 }, 159 { 160 /* See above. */ 161 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 162 /*quirks*/ DA_Q_NO_SYNC_CACHE 163 }, 164 { 165 /* 166 * This particular Fujitsu drive doesn't like the 167 * synchronize cache command. 168 * Reported by: Tom Jackson <toj@gorilla.net> 169 */ 170 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"}, 171 /*quirks*/ DA_Q_NO_SYNC_CACHE 172 }, 173 { 174 /* 175 * This drive doesn't like the synchronize cache command 176 * either. Reported by: Matthew Jacob <mjacob@feral.com> 177 * in NetBSD PR kern/6027, August 24, 1998. 178 */ 179 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"}, 180 /*quirks*/ DA_Q_NO_SYNC_CACHE 181 }, 182 { 183 /* 184 * This drive doesn't like the synchronize cache command 185 * either. Reported by: Hellmuth Michaelis (hm@kts.org) 186 * (PR 8882). 187 */ 188 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"}, 189 /*quirks*/ DA_Q_NO_SYNC_CACHE 190 }, 191 { 192 /* 193 * Doesn't like the synchronize cache command. 194 * Reported by: Blaz Zupan <blaz@gold.amis.net> 195 */ 196 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"}, 197 /*quirks*/ DA_Q_NO_SYNC_CACHE 198 }, 199 { 200 /* 201 * Doesn't like the synchronize cache command. 202 * Reported by: Blaz Zupan <blaz@gold.amis.net> 203 */ 204 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"}, 205 /*quirks*/ DA_Q_NO_SYNC_CACHE 206 }, 207 { 208 /* 209 * Doesn't like the synchronize cache command. 210 */ 211 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"}, 212 /*quirks*/ DA_Q_NO_SYNC_CACHE 213 }, 214 { 215 /* 216 * Doesn't like the synchronize cache command. 217 * Reported by: walter@pelissero.de 218 */ 219 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"}, 220 /*quirks*/ DA_Q_NO_SYNC_CACHE 221 }, 222 { 223 /* 224 * Doesn't work correctly with 6 byte reads/writes. 225 * Returns illegal request, and points to byte 9 of the 226 * 6-byte CDB. 227 * Reported by: Adam McDougall <bsdx@spawnet.com> 228 */ 229 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"}, 230 /*quirks*/ DA_Q_NO_6_BYTE 231 }, 232 { 233 /* See above. */ 234 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"}, 235 /*quirks*/ DA_Q_NO_6_BYTE 236 }, 237 { 238 /* 239 * Doesn't like the synchronize cache command. 240 * Reported by: walter@pelissero.de 241 */ 242 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"}, 243 /*quirks*/ DA_Q_NO_SYNC_CACHE 244 }, 245 { 246 /* 247 * The CISS RAID controllers do not support SYNC_CACHE 248 */ 249 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"}, 250 /*quirks*/ DA_Q_NO_SYNC_CACHE 251 }, 252 /* USB mass storage devices supported by umass(4) */ 253 { 254 /* 255 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player 256 * PR: kern/51675 257 */ 258 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"}, 259 /*quirks*/ DA_Q_NO_SYNC_CACHE 260 }, 261 { 262 /* 263 * Power Quotient Int. (PQI) USB flash key 264 * PR: kern/53067 265 */ 266 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*", 267 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 268 }, 269 { 270 /* 271 * Creative Nomad MUVO mp3 player (USB) 272 * PR: kern/53094 273 */ 274 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"}, 275 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 276 }, 277 { 278 /* 279 * Jungsoft NEXDISK USB flash key 280 * PR: kern/54737 281 */ 282 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"}, 283 /*quirks*/ DA_Q_NO_SYNC_CACHE 284 }, 285 { 286 /* 287 * FreeDik USB Mini Data Drive 288 * PR: kern/54786 289 */ 290 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive", 291 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 292 }, 293 { 294 /* 295 * Sigmatel USB Flash MP3 Player 296 * PR: kern/57046 297 */ 298 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"}, 299 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 300 }, 301 { 302 /* 303 * Neuros USB Digital Audio Computer 304 * PR: kern/63645 305 */ 306 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.", 307 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 308 }, 309 { 310 /* 311 * SEAGRAND NP-900 MP3 Player 312 * PR: kern/64563 313 */ 314 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"}, 315 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 316 }, 317 { 318 /* 319 * iRiver iFP MP3 player (with UMS Firmware) 320 * PR: kern/54881, i386/63941, kern/66124 321 */ 322 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"}, 323 /*quirks*/ DA_Q_NO_SYNC_CACHE 324 }, 325 { 326 /* 327 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01 328 * PR: kern/70158 329 */ 330 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"}, 331 /*quirks*/ DA_Q_NO_SYNC_CACHE 332 }, 333 { 334 /* 335 * ZICPlay USB MP3 Player with FM 336 * PR: kern/75057 337 */ 338 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"}, 339 /*quirks*/ DA_Q_NO_SYNC_CACHE 340 }, 341 { 342 /* 343 * TEAC USB floppy mechanisms 344 */ 345 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"}, 346 /*quirks*/ DA_Q_NO_SYNC_CACHE 347 }, 348 { 349 /* 350 * Kingston DataTraveler II+ USB Pen-Drive. 351 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org> 352 */ 353 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+", 354 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 355 }, 356 { 357 /* 358 * Motorola E398 Mobile Phone (TransFlash memory card). 359 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl> 360 * PR: usb/89889 361 */ 362 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone", 363 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 364 }, 365 { 366 /* 367 * Qware BeatZkey! Pro 368 * PR: usb/79164 369 */ 370 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE", 371 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 372 }, 373 { 374 /* 375 * Time DPA20B 1GB MP3 Player 376 * PR: usb/81846 377 */ 378 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*", 379 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 380 }, 381 { 382 /* 383 * Samsung USB key 128Mb 384 * PR: usb/90081 385 */ 386 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb", 387 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 388 }, 389 { 390 /* 391 * Kingston DataTraveler 2.0 USB Flash memory. 392 * PR: usb/89196 393 */ 394 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0", 395 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 396 }, 397 { 398 /* 399 * Creative MUVO Slim mp3 player (USB) 400 * PR: usb/86131 401 */ 402 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim", 403 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 404 }, 405 { 406 /* 407 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3) 408 * PR: usb/80487 409 */ 410 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK", 411 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 412 }, 413 { 414 /* 415 * SanDisk Micro Cruzer 128MB 416 * PR: usb/75970 417 */ 418 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer", 419 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 420 }, 421 { 422 /* 423 * TOSHIBA TransMemory USB sticks 424 * PR: kern/94660 425 */ 426 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory", 427 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 428 }, 429 { 430 /* 431 * PNY USB Flash keys 432 * PR: usb/75578, usb/72344, usb/65436 433 */ 434 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*", 435 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 436 }, 437 { 438 /* 439 * Genesys 6-in-1 Card Reader 440 * PR: usb/94647 441 */ 442 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*", 443 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 444 }, 445 { 446 /* 447 * Rekam Digital CAMERA 448 * PR: usb/98713 449 */ 450 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*", 451 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 452 }, 453 { 454 /* 455 * iRiver H10 MP3 player 456 * PR: usb/102547 457 */ 458 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*", 459 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 460 }, 461 { 462 /* 463 * X-Micro Flash Disk 464 * PR: usb/96901 465 */ 466 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk", 467 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 468 }, 469 { 470 /* 471 * EasyMP3 EM732X USB 2.0 Flash MP3 Player 472 * PR: usb/96546 473 */ 474 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*", 475 "1.0"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 476 }, 477 }; 478 479 static disk_strategy_t dastrategy; 480 static dumper_t dadump; 481 static periph_init_t dainit; 482 static void daasync(void *callback_arg, u_int32_t code, 483 struct cam_path *path, void *arg); 484 static void dasysctlinit(void *context, int pending); 485 static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS); 486 static periph_ctor_t daregister; 487 static periph_dtor_t dacleanup; 488 static periph_start_t dastart; 489 static periph_oninv_t daoninvalidate; 490 static void dadone(struct cam_periph *periph, 491 union ccb *done_ccb); 492 static int daerror(union ccb *ccb, u_int32_t cam_flags, 493 u_int32_t sense_flags); 494 static void daprevent(struct cam_periph *periph, int action); 495 static int dagetcapacity(struct cam_periph *periph); 496 static void dasetgeom(struct cam_periph *periph, uint32_t block_len, 497 uint64_t maxsector); 498 static timeout_t dasendorderedtag; 499 static void dashutdown(void *arg, int howto); 500 501 #ifndef DA_DEFAULT_TIMEOUT 502 #define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */ 503 #endif 504 505 #ifndef DA_DEFAULT_RETRY 506 #define DA_DEFAULT_RETRY 4 507 #endif 508 509 #ifndef DA_DEFAULT_SEND_ORDERED 510 #define DA_DEFAULT_SEND_ORDERED 1 511 #endif 512 513 514 static int da_retry_count = DA_DEFAULT_RETRY; 515 static int da_default_timeout = DA_DEFAULT_TIMEOUT; 516 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED; 517 518 SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0, 519 "CAM Direct Access Disk driver"); 520 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW, 521 &da_retry_count, 0, "Normal I/O retry count"); 522 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count); 523 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW, 524 &da_default_timeout, 0, "Normal I/O timeout (in seconds)"); 525 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout); 526 SYSCTL_INT(_kern_cam_da, OID_AUTO, da_send_ordered, CTLFLAG_RW, 527 &da_send_ordered, 0, "Send Ordered Tags"); 528 TUNABLE_INT("kern.cam.da.da_send_ordered", &da_send_ordered); 529 530 /* 531 * DA_ORDEREDTAG_INTERVAL determines how often, relative 532 * to the default timeout, we check to see whether an ordered 533 * tagged transaction is appropriate to prevent simple tag 534 * starvation. Since we'd like to ensure that there is at least 535 * 1/2 of the timeout length left for a starved transaction to 536 * complete after we've sent an ordered tag, we must poll at least 537 * four times in every timeout period. This takes care of the worst 538 * case where a starved transaction starts during an interval that 539 * meets the requirement "don't send an ordered tag" test so it takes 540 * us two intervals to determine that a tag must be sent. 541 */ 542 #ifndef DA_ORDEREDTAG_INTERVAL 543 #define DA_ORDEREDTAG_INTERVAL 4 544 #endif 545 546 static struct periph_driver dadriver = 547 { 548 dainit, "da", 549 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0 550 }; 551 552 PERIPHDRIVER_DECLARE(da, dadriver); 553 554 static SLIST_HEAD(,da_softc) softc_list; 555 556 static int 557 daopen(struct disk *dp) 558 { 559 struct cam_periph *periph; 560 struct da_softc *softc; 561 int unit; 562 int error; 563 int s; 564 565 s = splsoftcam(); 566 periph = (struct cam_periph *)dp->d_drv1; 567 if (periph == NULL) { 568 splx(s); 569 return (ENXIO); 570 } 571 unit = periph->unit_number; 572 573 softc = (struct da_softc *)periph->softc; 574 575 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 576 ("daopen: disk=%s%d (unit %d)\n", dp->d_name, dp->d_unit, 577 unit)); 578 579 if ((error = cam_periph_lock(periph, PRIBIO|PCATCH)) != 0) 580 return (error); /* error code from tsleep */ 581 582 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 583 return(ENXIO); 584 softc->flags |= DA_FLAG_OPEN; 585 586 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 587 /* Invalidate our pack information. */ 588 softc->flags &= ~DA_FLAG_PACK_INVALID; 589 } 590 splx(s); 591 592 error = dagetcapacity(periph); 593 594 if (error == 0) { 595 596 softc->disk->d_sectorsize = softc->params.secsize; 597 softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors; 598 /* XXX: these are not actually "firmware" values, so they may be wrong */ 599 softc->disk->d_fwsectors = softc->params.secs_per_track; 600 softc->disk->d_fwheads = softc->params.heads; 601 softc->disk->d_devstat->block_size = softc->params.secsize; 602 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 603 } 604 605 if (error == 0) { 606 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 607 (softc->quirks & DA_Q_NO_PREVENT) == 0) 608 daprevent(periph, PR_PREVENT); 609 } else { 610 softc->flags &= ~DA_FLAG_OPEN; 611 cam_periph_release(periph); 612 } 613 cam_periph_unlock(periph); 614 return (error); 615 } 616 617 static int 618 daclose(struct disk *dp) 619 { 620 struct cam_periph *periph; 621 struct da_softc *softc; 622 int error; 623 624 periph = (struct cam_periph *)dp->d_drv1; 625 if (periph == NULL) 626 return (ENXIO); 627 628 softc = (struct da_softc *)periph->softc; 629 630 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) { 631 return (error); /* error code from tsleep */ 632 } 633 634 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 635 union ccb *ccb; 636 637 ccb = cam_periph_getccb(periph, /*priority*/1); 638 639 scsi_synchronize_cache(&ccb->csio, 640 /*retries*/1, 641 /*cbfcnp*/dadone, 642 MSG_SIMPLE_Q_TAG, 643 /*begin_lba*/0,/* Cover the whole disk */ 644 /*lb_count*/0, 645 SSD_FULL_SIZE, 646 5 * 60 * 1000); 647 648 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0, 649 /*sense_flags*/SF_RETRY_UA, 650 softc->disk->d_devstat); 651 652 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 653 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == 654 CAM_SCSI_STATUS_ERROR) { 655 int asc, ascq; 656 int sense_key, error_code; 657 658 scsi_extract_sense(&ccb->csio.sense_data, 659 &error_code, 660 &sense_key, 661 &asc, &ascq); 662 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 663 scsi_sense_print(&ccb->csio); 664 } else { 665 xpt_print(periph->path, "Synchronize cache " 666 "failed, status == 0x%x, scsi status == " 667 "0x%x\n", ccb->csio.ccb_h.status, 668 ccb->csio.scsi_status); 669 } 670 } 671 672 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 673 cam_release_devq(ccb->ccb_h.path, 674 /*relsim_flags*/0, 675 /*reduction*/0, 676 /*timeout*/0, 677 /*getcount_only*/0); 678 679 xpt_release_ccb(ccb); 680 681 } 682 683 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) { 684 if ((softc->quirks & DA_Q_NO_PREVENT) == 0) 685 daprevent(periph, PR_ALLOW); 686 /* 687 * If we've got removeable media, mark the blocksize as 688 * unavailable, since it could change when new media is 689 * inserted. 690 */ 691 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 692 } 693 694 softc->flags &= ~DA_FLAG_OPEN; 695 cam_periph_unlock(periph); 696 cam_periph_release(periph); 697 return (0); 698 } 699 700 /* 701 * Actually translate the requested transfer into one the physical driver 702 * can understand. The transfer is described by a buf and will include 703 * only one physical transfer. 704 */ 705 static void 706 dastrategy(struct bio *bp) 707 { 708 struct cam_periph *periph; 709 struct da_softc *softc; 710 int s; 711 712 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 713 if (periph == NULL) { 714 biofinish(bp, NULL, ENXIO); 715 return; 716 } 717 softc = (struct da_softc *)periph->softc; 718 #if 0 719 /* 720 * check it's not too big a transfer for our adapter 721 */ 722 scsi_minphys(bp,&sd_switch); 723 #endif 724 725 /* 726 * Mask interrupts so that the pack cannot be invalidated until 727 * after we are in the queue. Otherwise, we might not properly 728 * clean up one of the buffers. 729 */ 730 s = splbio(); 731 732 /* 733 * If the device has been made invalid, error out 734 */ 735 if ((softc->flags & DA_FLAG_PACK_INVALID)) { 736 splx(s); 737 biofinish(bp, NULL, ENXIO); 738 return; 739 } 740 741 /* 742 * Place it in the queue of disk activities for this disk 743 */ 744 bioq_disksort(&softc->bio_queue, bp); 745 746 splx(s); 747 748 /* 749 * Schedule ourselves for performing the work. 750 */ 751 xpt_schedule(periph, /* XXX priority */1); 752 753 return; 754 } 755 756 static int 757 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 758 { 759 struct cam_periph *periph; 760 struct da_softc *softc; 761 u_int secsize; 762 struct ccb_scsiio csio; 763 struct disk *dp; 764 765 dp = arg; 766 periph = dp->d_drv1; 767 if (periph == NULL) 768 return (ENXIO); 769 softc = (struct da_softc *)periph->softc; 770 secsize = softc->params.secsize; 771 772 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) 773 return (ENXIO); 774 775 if (length > 0) { 776 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1); 777 csio.ccb_h.ccb_state = DA_CCB_DUMP; 778 scsi_read_write(&csio, 779 /*retries*/1, 780 dadone, 781 MSG_ORDERED_Q_TAG, 782 /*read*/FALSE, 783 /*byte2*/0, 784 /*minimum_cmd_size*/ softc->minimum_cmd_size, 785 offset / secsize, 786 length / secsize, 787 /*data_ptr*/(u_int8_t *) virtual, 788 /*dxfer_len*/length, 789 /*sense_len*/SSD_FULL_SIZE, 790 DA_DEFAULT_TIMEOUT * 1000); 791 xpt_polled_action((union ccb *)&csio); 792 793 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 794 printf("Aborting dump due to I/O error.\n"); 795 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 796 CAM_SCSI_STATUS_ERROR) 797 scsi_sense_print(&csio); 798 else 799 printf("status == 0x%x, scsi status == 0x%x\n", 800 csio.ccb_h.status, csio.scsi_status); 801 return(EIO); 802 } 803 return(0); 804 } 805 806 /* 807 * Sync the disk cache contents to the physical media. 808 */ 809 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 810 811 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1); 812 csio.ccb_h.ccb_state = DA_CCB_DUMP; 813 scsi_synchronize_cache(&csio, 814 /*retries*/1, 815 /*cbfcnp*/dadone, 816 MSG_SIMPLE_Q_TAG, 817 /*begin_lba*/0,/* Cover the whole disk */ 818 /*lb_count*/0, 819 SSD_FULL_SIZE, 820 5 * 60 * 1000); 821 xpt_polled_action((union ccb *)&csio); 822 823 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 824 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 825 CAM_SCSI_STATUS_ERROR) { 826 int asc, ascq; 827 int sense_key, error_code; 828 829 scsi_extract_sense(&csio.sense_data, 830 &error_code, 831 &sense_key, 832 &asc, &ascq); 833 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 834 scsi_sense_print(&csio); 835 } else { 836 xpt_print(periph->path, "Synchronize cache " 837 "failed, status == 0x%x, scsi status == " 838 "0x%x\n", csio.ccb_h.status, 839 csio.scsi_status); 840 } 841 } 842 } 843 return (0); 844 } 845 846 static void 847 dainit(void) 848 { 849 cam_status status; 850 struct cam_path *path; 851 852 SLIST_INIT(&softc_list); 853 854 /* 855 * Install a global async callback. This callback will 856 * receive async callbacks like "new device found". 857 */ 858 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID, 859 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 860 861 if (status == CAM_REQ_CMP) { 862 struct ccb_setasync csa; 863 864 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5); 865 csa.ccb_h.func_code = XPT_SASYNC_CB; 866 csa.event_enable = AC_FOUND_DEVICE; 867 csa.callback = daasync; 868 csa.callback_arg = NULL; 869 xpt_action((union ccb *)&csa); 870 status = csa.ccb_h.status; 871 xpt_free_path(path); 872 } 873 874 if (status != CAM_REQ_CMP) { 875 printf("da: Failed to attach master async callback " 876 "due to status 0x%x!\n", status); 877 } else if (da_send_ordered) { 878 879 /* 880 * Schedule a periodic event to occasionally send an 881 * ordered tag to a device. 882 */ 883 timeout(dasendorderedtag, NULL, 884 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL); 885 886 /* Register our shutdown event handler */ 887 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown, 888 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 889 printf("dainit: shutdown event registration failed!\n"); 890 } 891 } 892 893 static void 894 daoninvalidate(struct cam_periph *periph) 895 { 896 int s; 897 struct da_softc *softc; 898 struct ccb_setasync csa; 899 900 softc = (struct da_softc *)periph->softc; 901 902 /* 903 * De-register any async callbacks. 904 */ 905 xpt_setup_ccb(&csa.ccb_h, periph->path, 906 /* priority */ 5); 907 csa.ccb_h.func_code = XPT_SASYNC_CB; 908 csa.event_enable = 0; 909 csa.callback = daasync; 910 csa.callback_arg = periph; 911 xpt_action((union ccb *)&csa); 912 913 softc->flags |= DA_FLAG_PACK_INVALID; 914 915 /* 916 * Although the oninvalidate() routines are always called at 917 * splsoftcam, we need to be at splbio() here to keep the buffer 918 * queue from being modified while we traverse it. 919 */ 920 s = splbio(); 921 922 /* 923 * Return all queued I/O with ENXIO. 924 * XXX Handle any transactions queued to the card 925 * with XPT_ABORT_CCB. 926 */ 927 bioq_flush(&softc->bio_queue, NULL, ENXIO); 928 splx(s); 929 930 SLIST_REMOVE(&softc_list, softc, da_softc, links); 931 932 disk_gone(softc->disk); 933 xpt_print(periph->path, "lost device\n"); 934 } 935 936 static void 937 dacleanup(struct cam_periph *periph) 938 { 939 struct da_softc *softc; 940 941 softc = (struct da_softc *)periph->softc; 942 943 xpt_print(periph->path, "removing device entry\n"); 944 /* 945 * If we can't free the sysctl tree, oh well... 946 */ 947 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0 948 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 949 xpt_print(periph->path, "can't remove sysctl context\n"); 950 } 951 disk_destroy(softc->disk); 952 free(softc, M_DEVBUF); 953 } 954 955 static void 956 daasync(void *callback_arg, u_int32_t code, 957 struct cam_path *path, void *arg) 958 { 959 struct cam_periph *periph; 960 961 periph = (struct cam_periph *)callback_arg; 962 switch (code) { 963 case AC_FOUND_DEVICE: 964 { 965 struct ccb_getdev *cgd; 966 cam_status status; 967 968 cgd = (struct ccb_getdev *)arg; 969 if (cgd == NULL) 970 break; 971 972 if (SID_TYPE(&cgd->inq_data) != T_DIRECT 973 && SID_TYPE(&cgd->inq_data) != T_RBC 974 && SID_TYPE(&cgd->inq_data) != T_OPTICAL) 975 break; 976 977 /* 978 * Allocate a peripheral instance for 979 * this device and start the probe 980 * process. 981 */ 982 status = cam_periph_alloc(daregister, daoninvalidate, 983 dacleanup, dastart, 984 "da", CAM_PERIPH_BIO, 985 cgd->ccb_h.path, daasync, 986 AC_FOUND_DEVICE, cgd); 987 988 if (status != CAM_REQ_CMP 989 && status != CAM_REQ_INPROG) 990 printf("daasync: Unable to attach to new device " 991 "due to status 0x%x\n", status); 992 break; 993 } 994 case AC_SENT_BDR: 995 case AC_BUS_RESET: 996 { 997 struct da_softc *softc; 998 struct ccb_hdr *ccbh; 999 int s; 1000 1001 softc = (struct da_softc *)periph->softc; 1002 s = splsoftcam(); 1003 /* 1004 * Don't fail on the expected unit attention 1005 * that will occur. 1006 */ 1007 softc->flags |= DA_FLAG_RETRY_UA; 1008 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 1009 ccbh->ccb_state |= DA_CCB_RETRY_UA; 1010 splx(s); 1011 /* FALLTHROUGH*/ 1012 } 1013 default: 1014 cam_periph_async(periph, code, path, arg); 1015 break; 1016 } 1017 } 1018 1019 static void 1020 dasysctlinit(void *context, int pending) 1021 { 1022 struct cam_periph *periph; 1023 struct da_softc *softc; 1024 char tmpstr[80], tmpstr2[80]; 1025 1026 periph = (struct cam_periph *)context; 1027 softc = (struct da_softc *)periph->softc; 1028 1029 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number); 1030 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1031 1032 mtx_lock(&Giant); 1033 sysctl_ctx_init(&softc->sysctl_ctx); 1034 softc->flags |= DA_FLAG_SCTX_INIT; 1035 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1036 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2, 1037 CTLFLAG_RD, 0, tmpstr); 1038 if (softc->sysctl_tree == NULL) { 1039 printf("dasysctlinit: unable to allocate sysctl tree\n"); 1040 mtx_unlock(&Giant); 1041 return; 1042 } 1043 1044 /* 1045 * Now register the sysctl handler, so the user can the value on 1046 * the fly. 1047 */ 1048 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree), 1049 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 1050 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I", 1051 "Minimum CDB size"); 1052 1053 mtx_unlock(&Giant); 1054 } 1055 1056 static int 1057 dacmdsizesysctl(SYSCTL_HANDLER_ARGS) 1058 { 1059 int error, value; 1060 1061 value = *(int *)arg1; 1062 1063 error = sysctl_handle_int(oidp, &value, 0, req); 1064 1065 if ((error != 0) 1066 || (req->newptr == NULL)) 1067 return (error); 1068 1069 /* 1070 * Acceptable values here are 6, 10, 12 or 16. 1071 */ 1072 if (value < 6) 1073 value = 6; 1074 else if ((value > 6) 1075 && (value <= 10)) 1076 value = 10; 1077 else if ((value > 10) 1078 && (value <= 12)) 1079 value = 12; 1080 else if (value > 12) 1081 value = 16; 1082 1083 *(int *)arg1 = value; 1084 1085 return (0); 1086 } 1087 1088 static cam_status 1089 daregister(struct cam_periph *periph, void *arg) 1090 { 1091 int s; 1092 struct da_softc *softc; 1093 struct ccb_setasync csa; 1094 struct ccb_pathinq cpi; 1095 struct ccb_getdev *cgd; 1096 char tmpstr[80]; 1097 caddr_t match; 1098 1099 cgd = (struct ccb_getdev *)arg; 1100 if (periph == NULL) { 1101 printf("daregister: periph was NULL!!\n"); 1102 return(CAM_REQ_CMP_ERR); 1103 } 1104 1105 if (cgd == NULL) { 1106 printf("daregister: no getdev CCB, can't register device\n"); 1107 return(CAM_REQ_CMP_ERR); 1108 } 1109 1110 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF, 1111 M_NOWAIT|M_ZERO); 1112 1113 if (softc == NULL) { 1114 printf("daregister: Unable to probe new device. " 1115 "Unable to allocate softc\n"); 1116 return(CAM_REQ_CMP_ERR); 1117 } 1118 1119 LIST_INIT(&softc->pending_ccbs); 1120 softc->state = DA_STATE_PROBE; 1121 bioq_init(&softc->bio_queue); 1122 if (SID_IS_REMOVABLE(&cgd->inq_data)) 1123 softc->flags |= DA_FLAG_PACK_REMOVABLE; 1124 if ((cgd->inq_data.flags & SID_CmdQue) != 0) 1125 softc->flags |= DA_FLAG_TAGGED_QUEUING; 1126 1127 periph->softc = softc; 1128 1129 /* 1130 * See if this device has any quirks. 1131 */ 1132 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 1133 (caddr_t)da_quirk_table, 1134 sizeof(da_quirk_table)/sizeof(*da_quirk_table), 1135 sizeof(*da_quirk_table), scsi_inquiry_match); 1136 1137 if (match != NULL) 1138 softc->quirks = ((struct da_quirk_entry *)match)->quirks; 1139 else 1140 softc->quirks = DA_Q_NONE; 1141 1142 /* Check if the SIM does not want 6 byte commands */ 1143 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1); 1144 cpi.ccb_h.func_code = XPT_PATH_INQ; 1145 xpt_action((union ccb *)&cpi); 1146 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 1147 softc->quirks |= DA_Q_NO_6_BYTE; 1148 1149 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph); 1150 1151 /* 1152 * RBC devices don't have to support READ(6), only READ(10). 1153 */ 1154 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC) 1155 softc->minimum_cmd_size = 10; 1156 else 1157 softc->minimum_cmd_size = 6; 1158 1159 /* 1160 * Load the user's default, if any. 1161 */ 1162 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size", 1163 periph->unit_number); 1164 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size); 1165 1166 /* 1167 * 6, 10, 12 and 16 are the currently permissible values. 1168 */ 1169 if (softc->minimum_cmd_size < 6) 1170 softc->minimum_cmd_size = 6; 1171 else if ((softc->minimum_cmd_size > 6) 1172 && (softc->minimum_cmd_size <= 10)) 1173 softc->minimum_cmd_size = 10; 1174 else if ((softc->minimum_cmd_size > 10) 1175 && (softc->minimum_cmd_size <= 12)) 1176 softc->minimum_cmd_size = 12; 1177 else if (softc->minimum_cmd_size > 12) 1178 softc->minimum_cmd_size = 16; 1179 1180 /* 1181 * Block our timeout handler while we 1182 * add this softc to the dev list. 1183 */ 1184 s = splsoftclock(); 1185 SLIST_INSERT_HEAD(&softc_list, softc, links); 1186 splx(s); 1187 1188 /* 1189 * Register this media as a disk 1190 */ 1191 1192 softc->disk = disk_alloc(); 1193 softc->disk->d_open = daopen; 1194 softc->disk->d_close = daclose; 1195 softc->disk->d_strategy = dastrategy; 1196 softc->disk->d_dump = dadump; 1197 softc->disk->d_name = "da"; 1198 softc->disk->d_drv1 = periph; 1199 softc->disk->d_maxsize = DFLTPHYS; /* XXX: probably not arbitrary */ 1200 softc->disk->d_unit = periph->unit_number; 1201 softc->disk->d_flags = DISKFLAG_NEEDSGIANT; 1202 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) 1203 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1204 disk_create(softc->disk, DISK_VERSION); 1205 1206 /* 1207 * Add async callbacks for bus reset and 1208 * bus device reset calls. I don't bother 1209 * checking if this fails as, in most cases, 1210 * the system will function just fine without 1211 * them and the only alternative would be to 1212 * not attach the device on failure. 1213 */ 1214 xpt_setup_ccb(&csa.ccb_h, periph->path, /*priority*/5); 1215 csa.ccb_h.func_code = XPT_SASYNC_CB; 1216 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE; 1217 csa.callback = daasync; 1218 csa.callback_arg = periph; 1219 xpt_action((union ccb *)&csa); 1220 /* 1221 * Lock this peripheral until we are setup. 1222 * This first call can't block 1223 */ 1224 (void)cam_periph_lock(periph, PRIBIO); 1225 xpt_schedule(periph, /*priority*/5); 1226 1227 return(CAM_REQ_CMP); 1228 } 1229 1230 static void 1231 dastart(struct cam_periph *periph, union ccb *start_ccb) 1232 { 1233 struct da_softc *softc; 1234 1235 softc = (struct da_softc *)periph->softc; 1236 1237 1238 switch (softc->state) { 1239 case DA_STATE_NORMAL: 1240 { 1241 /* Pull a buffer from the queue and get going on it */ 1242 struct bio *bp; 1243 int s; 1244 1245 /* 1246 * See if there is a buf with work for us to do.. 1247 */ 1248 s = splbio(); 1249 bp = bioq_first(&softc->bio_queue); 1250 if (periph->immediate_priority <= periph->pinfo.priority) { 1251 CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE, 1252 ("queuing for immediate ccb\n")); 1253 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING; 1254 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1255 periph_links.sle); 1256 periph->immediate_priority = CAM_PRIORITY_NONE; 1257 splx(s); 1258 wakeup(&periph->ccb_list); 1259 } else if (bp == NULL) { 1260 splx(s); 1261 xpt_release_ccb(start_ccb); 1262 } else { 1263 int oldspl; 1264 u_int8_t tag_code; 1265 1266 bioq_remove(&softc->bio_queue, bp); 1267 1268 if ((softc->flags & DA_FLAG_NEED_OTAG) != 0) { 1269 softc->flags &= ~DA_FLAG_NEED_OTAG; 1270 softc->ordered_tag_count++; 1271 tag_code = MSG_ORDERED_Q_TAG; 1272 } else { 1273 tag_code = MSG_SIMPLE_Q_TAG; 1274 } 1275 switch (bp->bio_cmd) { 1276 case BIO_READ: 1277 case BIO_WRITE: 1278 scsi_read_write(&start_ccb->csio, 1279 /*retries*/da_retry_count, 1280 /*cbfcnp*/dadone, 1281 /*tag_action*/tag_code, 1282 /*read_op*/bp->bio_cmd == BIO_READ, 1283 /*byte2*/0, 1284 softc->minimum_cmd_size, 1285 /*lba*/bp->bio_pblkno, 1286 /*block_count*/bp->bio_bcount / 1287 softc->params.secsize, 1288 /*data_ptr*/ bp->bio_data, 1289 /*dxfer_len*/ bp->bio_bcount, 1290 /*sense_len*/SSD_FULL_SIZE, 1291 /*timeout*/da_default_timeout*1000); 1292 break; 1293 case BIO_FLUSH: 1294 scsi_synchronize_cache(&start_ccb->csio, 1295 /*retries*/1, 1296 /*cbfcnp*/dadone, 1297 MSG_SIMPLE_Q_TAG, 1298 /*begin_lba*/0,/* Cover the whole disk */ 1299 /*lb_count*/0, 1300 SSD_FULL_SIZE, 1301 /*timeout*/da_default_timeout*1000); 1302 break; 1303 } 1304 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO; 1305 1306 /* 1307 * Block out any asyncronous callbacks 1308 * while we touch the pending ccb list. 1309 */ 1310 oldspl = splcam(); 1311 LIST_INSERT_HEAD(&softc->pending_ccbs, 1312 &start_ccb->ccb_h, periph_links.le); 1313 softc->outstanding_cmds++; 1314 splx(oldspl); 1315 1316 /* We expect a unit attention from this device */ 1317 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) { 1318 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA; 1319 softc->flags &= ~DA_FLAG_RETRY_UA; 1320 } 1321 1322 start_ccb->ccb_h.ccb_bp = bp; 1323 bp = bioq_first(&softc->bio_queue); 1324 splx(s); 1325 1326 xpt_action(start_ccb); 1327 } 1328 1329 if (bp != NULL) { 1330 /* Have more work to do, so ensure we stay scheduled */ 1331 xpt_schedule(periph, /* XXX priority */1); 1332 } 1333 break; 1334 } 1335 case DA_STATE_PROBE: 1336 { 1337 struct ccb_scsiio *csio; 1338 struct scsi_read_capacity_data *rcap; 1339 1340 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap), 1341 M_TEMP, 1342 M_NOWAIT); 1343 if (rcap == NULL) { 1344 printf("dastart: Couldn't malloc read_capacity data\n"); 1345 /* da_free_periph??? */ 1346 break; 1347 } 1348 csio = &start_ccb->csio; 1349 scsi_read_capacity(csio, 1350 /*retries*/4, 1351 dadone, 1352 MSG_SIMPLE_Q_TAG, 1353 rcap, 1354 SSD_FULL_SIZE, 1355 /*timeout*/5000); 1356 start_ccb->ccb_h.ccb_bp = NULL; 1357 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE; 1358 xpt_action(start_ccb); 1359 break; 1360 } 1361 case DA_STATE_PROBE2: 1362 { 1363 struct ccb_scsiio *csio; 1364 struct scsi_read_capacity_data_long *rcaplong; 1365 1366 rcaplong = (struct scsi_read_capacity_data_long *) 1367 malloc(sizeof(*rcaplong), M_TEMP, M_NOWAIT); 1368 if (rcaplong == NULL) { 1369 printf("dastart: Couldn't malloc read_capacity data\n"); 1370 /* da_free_periph??? */ 1371 break; 1372 } 1373 csio = &start_ccb->csio; 1374 scsi_read_capacity_16(csio, 1375 /*retries*/ 4, 1376 /*cbfcnp*/ dadone, 1377 /*tag_action*/ MSG_SIMPLE_Q_TAG, 1378 /*lba*/ 0, 1379 /*reladr*/ 0, 1380 /*pmi*/ 0, 1381 rcaplong, 1382 /*sense_len*/ SSD_FULL_SIZE, 1383 /*timeout*/ 60000); 1384 start_ccb->ccb_h.ccb_bp = NULL; 1385 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE2; 1386 xpt_action(start_ccb); 1387 break; 1388 } 1389 } 1390 } 1391 1392 static int 1393 cmd6workaround(union ccb *ccb) 1394 { 1395 struct scsi_rw_6 cmd6; 1396 struct scsi_rw_10 *cmd10; 1397 struct da_softc *softc; 1398 u_int8_t *cdb; 1399 int frozen; 1400 1401 cdb = ccb->csio.cdb_io.cdb_bytes; 1402 1403 /* Translation only possible if CDB is an array and cmd is R/W6 */ 1404 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 || 1405 (*cdb != READ_6 && *cdb != WRITE_6)) 1406 return 0; 1407 1408 xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, " 1409 "increasing minimum_cmd_size to 10.\n"); 1410 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc; 1411 softc->minimum_cmd_size = 10; 1412 1413 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6)); 1414 cmd10 = (struct scsi_rw_10 *)cdb; 1415 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10; 1416 cmd10->byte2 = 0; 1417 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr); 1418 cmd10->reserved = 0; 1419 scsi_ulto2b(cmd6.length, cmd10->length); 1420 cmd10->control = cmd6.control; 1421 ccb->csio.cdb_len = sizeof(*cmd10); 1422 1423 /* Requeue request, unfreezing queue if necessary */ 1424 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 1425 ccb->ccb_h.status = CAM_REQUEUE_REQ; 1426 xpt_action(ccb); 1427 if (frozen) { 1428 cam_release_devq(ccb->ccb_h.path, 1429 /*relsim_flags*/0, 1430 /*reduction*/0, 1431 /*timeout*/0, 1432 /*getcount_only*/0); 1433 } 1434 return (ERESTART); 1435 } 1436 1437 static void 1438 dadone(struct cam_periph *periph, union ccb *done_ccb) 1439 { 1440 struct da_softc *softc; 1441 struct ccb_scsiio *csio; 1442 1443 softc = (struct da_softc *)periph->softc; 1444 csio = &done_ccb->csio; 1445 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) { 1446 case DA_CCB_BUFFER_IO: 1447 { 1448 struct bio *bp; 1449 int oldspl; 1450 1451 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1452 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1453 int error; 1454 int s; 1455 int sf; 1456 1457 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0) 1458 sf = SF_RETRY_UA; 1459 else 1460 sf = 0; 1461 1462 error = daerror(done_ccb, CAM_RETRY_SELTO, sf); 1463 if (error == ERESTART) { 1464 /* 1465 * A retry was scheuled, so 1466 * just return. 1467 */ 1468 return; 1469 } 1470 if (error != 0) { 1471 1472 s = splbio(); 1473 1474 if (error == ENXIO) { 1475 /* 1476 * Catastrophic error. Mark our pack as 1477 * invalid. 1478 */ 1479 /* 1480 * XXX See if this is really a media 1481 * XXX change first? 1482 */ 1483 xpt_print(periph->path, 1484 "Invalidating pack\n"); 1485 softc->flags |= DA_FLAG_PACK_INVALID; 1486 } 1487 1488 /* 1489 * return all queued I/O with EIO, so that 1490 * the client can retry these I/Os in the 1491 * proper order should it attempt to recover. 1492 */ 1493 bioq_flush(&softc->bio_queue, NULL, EIO); 1494 splx(s); 1495 bp->bio_error = error; 1496 bp->bio_resid = bp->bio_bcount; 1497 bp->bio_flags |= BIO_ERROR; 1498 } else { 1499 bp->bio_resid = csio->resid; 1500 bp->bio_error = 0; 1501 if (bp->bio_resid != 0) 1502 bp->bio_flags |= BIO_ERROR; 1503 } 1504 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1505 cam_release_devq(done_ccb->ccb_h.path, 1506 /*relsim_flags*/0, 1507 /*reduction*/0, 1508 /*timeout*/0, 1509 /*getcount_only*/0); 1510 } else { 1511 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1512 panic("REQ_CMP with QFRZN"); 1513 bp->bio_resid = csio->resid; 1514 if (csio->resid > 0) 1515 bp->bio_flags |= BIO_ERROR; 1516 } 1517 1518 /* 1519 * Block out any asyncronous callbacks 1520 * while we touch the pending ccb list. 1521 */ 1522 oldspl = splcam(); 1523 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1524 softc->outstanding_cmds--; 1525 if (softc->outstanding_cmds == 0) 1526 softc->flags |= DA_FLAG_WENT_IDLE; 1527 splx(oldspl); 1528 1529 biodone(bp); 1530 break; 1531 } 1532 case DA_CCB_PROBE: 1533 case DA_CCB_PROBE2: 1534 { 1535 struct scsi_read_capacity_data *rdcap; 1536 struct scsi_read_capacity_data_long *rcaplong; 1537 char announce_buf[80]; 1538 1539 rdcap = NULL; 1540 rcaplong = NULL; 1541 if (softc->state == DA_STATE_PROBE) 1542 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr; 1543 else 1544 rcaplong = (struct scsi_read_capacity_data_long *) 1545 csio->data_ptr; 1546 1547 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1548 struct disk_params *dp; 1549 uint32_t block_size; 1550 uint64_t maxsector; 1551 1552 if (softc->state == DA_STATE_PROBE) { 1553 block_size = scsi_4btoul(rdcap->length); 1554 maxsector = scsi_4btoul(rdcap->addr); 1555 1556 /* 1557 * According to SBC-2, if the standard 10 1558 * byte READ CAPACITY command returns 2^32, 1559 * we should issue the 16 byte version of 1560 * the command, since the device in question 1561 * has more sectors than can be represented 1562 * with the short version of the command. 1563 */ 1564 if (maxsector == 0xffffffff) { 1565 softc->state = DA_STATE_PROBE2; 1566 free(rdcap, M_TEMP); 1567 xpt_release_ccb(done_ccb); 1568 xpt_schedule(periph, /*priority*/5); 1569 return; 1570 } 1571 } else { 1572 block_size = scsi_4btoul(rcaplong->length); 1573 maxsector = scsi_8btou64(rcaplong->addr); 1574 } 1575 1576 /* 1577 * Because GEOM code just will panic us if we 1578 * give them an 'illegal' value we'll avoid that 1579 * here. 1580 */ 1581 if (block_size >= MAXPHYS || block_size == 0) { 1582 xpt_print(periph->path, 1583 "unsupportable block size %ju\n", 1584 (uintmax_t) block_size); 1585 announce_buf[0] = '\0'; 1586 cam_periph_invalidate(periph); 1587 } else { 1588 dasetgeom(periph, block_size, maxsector); 1589 dp = &softc->params; 1590 snprintf(announce_buf, sizeof(announce_buf), 1591 "%juMB (%ju %u byte sectors: %dH %dS/T " 1592 "%dC)", (uintmax_t) 1593 (((uintmax_t)dp->secsize * 1594 dp->sectors) / (1024*1024)), 1595 (uintmax_t)dp->sectors, 1596 dp->secsize, dp->heads, 1597 dp->secs_per_track, dp->cylinders); 1598 } 1599 } else { 1600 int error; 1601 1602 announce_buf[0] = '\0'; 1603 1604 /* 1605 * Retry any UNIT ATTENTION type errors. They 1606 * are expected at boot. 1607 */ 1608 error = daerror(done_ccb, CAM_RETRY_SELTO, 1609 SF_RETRY_UA|SF_NO_PRINT); 1610 if (error == ERESTART) { 1611 /* 1612 * A retry was scheuled, so 1613 * just return. 1614 */ 1615 return; 1616 } else if (error != 0) { 1617 struct scsi_sense_data *sense; 1618 int asc, ascq; 1619 int sense_key, error_code; 1620 int have_sense; 1621 cam_status status; 1622 struct ccb_getdev cgd; 1623 1624 /* Don't wedge this device's queue */ 1625 status = done_ccb->ccb_h.status; 1626 if ((status & CAM_DEV_QFRZN) != 0) 1627 cam_release_devq(done_ccb->ccb_h.path, 1628 /*relsim_flags*/0, 1629 /*reduction*/0, 1630 /*timeout*/0, 1631 /*getcount_only*/0); 1632 1633 1634 xpt_setup_ccb(&cgd.ccb_h, 1635 done_ccb->ccb_h.path, 1636 /* priority */ 1); 1637 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1638 xpt_action((union ccb *)&cgd); 1639 1640 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 1641 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 1642 || ((status & CAM_AUTOSNS_VALID) == 0)) 1643 have_sense = FALSE; 1644 else 1645 have_sense = TRUE; 1646 1647 if (have_sense) { 1648 sense = &csio->sense_data; 1649 scsi_extract_sense(sense, &error_code, 1650 &sense_key, 1651 &asc, &ascq); 1652 } 1653 /* 1654 * Attach to anything that claims to be a 1655 * direct access or optical disk device, 1656 * as long as it doesn't return a "Logical 1657 * unit not supported" (0x25) error. 1658 */ 1659 if ((have_sense) && (asc != 0x25) 1660 && (error_code == SSD_CURRENT_ERROR)) { 1661 const char *sense_key_desc; 1662 const char *asc_desc; 1663 1664 scsi_sense_desc(sense_key, asc, ascq, 1665 &cgd.inq_data, 1666 &sense_key_desc, 1667 &asc_desc); 1668 snprintf(announce_buf, 1669 sizeof(announce_buf), 1670 "Attempt to query device " 1671 "size failed: %s, %s", 1672 sense_key_desc, 1673 asc_desc); 1674 } else { 1675 if (have_sense) 1676 scsi_sense_print( 1677 &done_ccb->csio); 1678 else { 1679 xpt_print(periph->path, 1680 "got CAM status %#x\n", 1681 done_ccb->ccb_h.status); 1682 } 1683 1684 xpt_print(periph->path, "fatal error, " 1685 "failed to attach to device\n"); 1686 1687 /* 1688 * Free up resources. 1689 */ 1690 cam_periph_invalidate(periph); 1691 } 1692 } 1693 } 1694 free(csio->data_ptr, M_TEMP); 1695 if (announce_buf[0] != '\0') { 1696 xpt_announce_periph(periph, announce_buf); 1697 /* 1698 * Create our sysctl variables, now that we know 1699 * we have successfully attached. 1700 */ 1701 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task); 1702 } 1703 softc->state = DA_STATE_NORMAL; 1704 /* 1705 * Since our peripheral may be invalidated by an error 1706 * above or an external event, we must release our CCB 1707 * before releasing the probe lock on the peripheral. 1708 * The peripheral will only go away once the last lock 1709 * is removed, and we need it around for the CCB release 1710 * operation. 1711 */ 1712 xpt_release_ccb(done_ccb); 1713 cam_periph_unlock(periph); 1714 return; 1715 } 1716 case DA_CCB_WAITING: 1717 { 1718 /* Caller will release the CCB */ 1719 wakeup(&done_ccb->ccb_h.cbfcnp); 1720 return; 1721 } 1722 case DA_CCB_DUMP: 1723 /* No-op. We're polling */ 1724 return; 1725 default: 1726 break; 1727 } 1728 xpt_release_ccb(done_ccb); 1729 } 1730 1731 static int 1732 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1733 { 1734 struct da_softc *softc; 1735 struct cam_periph *periph; 1736 int error; 1737 1738 periph = xpt_path_periph(ccb->ccb_h.path); 1739 softc = (struct da_softc *)periph->softc; 1740 1741 /* 1742 * Automatically detect devices that do not support 1743 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs. 1744 */ 1745 error = 0; 1746 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 1747 error = cmd6workaround(ccb); 1748 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 1749 CAM_SCSI_STATUS_ERROR) 1750 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 1751 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 1752 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 1753 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 1754 int sense_key, error_code, asc, ascq; 1755 1756 scsi_extract_sense(&ccb->csio.sense_data, 1757 &error_code, &sense_key, &asc, &ascq); 1758 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 1759 error = cmd6workaround(ccb); 1760 } 1761 if (error == ERESTART) 1762 return (ERESTART); 1763 1764 /* 1765 * XXX 1766 * Until we have a better way of doing pack validation, 1767 * don't treat UAs as errors. 1768 */ 1769 sense_flags |= SF_RETRY_UA; 1770 return(cam_periph_error(ccb, cam_flags, sense_flags, 1771 &softc->saved_ccb)); 1772 } 1773 1774 static void 1775 daprevent(struct cam_periph *periph, int action) 1776 { 1777 struct da_softc *softc; 1778 union ccb *ccb; 1779 int error; 1780 1781 softc = (struct da_softc *)periph->softc; 1782 1783 if (((action == PR_ALLOW) 1784 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0) 1785 || ((action == PR_PREVENT) 1786 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) { 1787 return; 1788 } 1789 1790 ccb = cam_periph_getccb(periph, /*priority*/1); 1791 1792 scsi_prevent(&ccb->csio, 1793 /*retries*/1, 1794 /*cbcfp*/dadone, 1795 MSG_SIMPLE_Q_TAG, 1796 action, 1797 SSD_FULL_SIZE, 1798 5000); 1799 1800 error = cam_periph_runccb(ccb, /*error_routine*/NULL, CAM_RETRY_SELTO, 1801 SF_RETRY_UA, softc->disk->d_devstat); 1802 1803 if (error == 0) { 1804 if (action == PR_ALLOW) 1805 softc->flags &= ~DA_FLAG_PACK_LOCKED; 1806 else 1807 softc->flags |= DA_FLAG_PACK_LOCKED; 1808 } 1809 1810 xpt_release_ccb(ccb); 1811 } 1812 1813 static int 1814 dagetcapacity(struct cam_periph *periph) 1815 { 1816 struct da_softc *softc; 1817 union ccb *ccb; 1818 struct scsi_read_capacity_data *rcap; 1819 struct scsi_read_capacity_data_long *rcaplong; 1820 uint32_t block_len; 1821 uint64_t maxsector; 1822 int error; 1823 u_int32_t sense_flags; 1824 1825 softc = (struct da_softc *)periph->softc; 1826 block_len = 0; 1827 maxsector = 0; 1828 error = 0; 1829 sense_flags = SF_RETRY_UA; 1830 if (softc->flags & DA_FLAG_PACK_REMOVABLE) 1831 sense_flags |= SF_NO_PRINT; 1832 1833 /* Do a read capacity */ 1834 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcaplong), 1835 M_TEMP, 1836 M_WAITOK); 1837 1838 ccb = cam_periph_getccb(periph, /*priority*/1); 1839 scsi_read_capacity(&ccb->csio, 1840 /*retries*/4, 1841 /*cbfncp*/dadone, 1842 MSG_SIMPLE_Q_TAG, 1843 rcap, 1844 SSD_FULL_SIZE, 1845 /*timeout*/60000); 1846 ccb->ccb_h.ccb_bp = NULL; 1847 1848 error = cam_periph_runccb(ccb, daerror, 1849 /*cam_flags*/CAM_RETRY_SELTO, 1850 sense_flags, 1851 softc->disk->d_devstat); 1852 1853 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1854 cam_release_devq(ccb->ccb_h.path, 1855 /*relsim_flags*/0, 1856 /*reduction*/0, 1857 /*timeout*/0, 1858 /*getcount_only*/0); 1859 1860 if (error == 0) { 1861 block_len = scsi_4btoul(rcap->length); 1862 maxsector = scsi_4btoul(rcap->addr); 1863 1864 if (maxsector != 0xffffffff) 1865 goto done; 1866 } else 1867 goto done; 1868 1869 rcaplong = (struct scsi_read_capacity_data_long *)rcap; 1870 1871 scsi_read_capacity_16(&ccb->csio, 1872 /*retries*/ 4, 1873 /*cbfcnp*/ dadone, 1874 /*tag_action*/ MSG_SIMPLE_Q_TAG, 1875 /*lba*/ 0, 1876 /*reladr*/ 0, 1877 /*pmi*/ 0, 1878 rcaplong, 1879 /*sense_len*/ SSD_FULL_SIZE, 1880 /*timeout*/ 60000); 1881 ccb->ccb_h.ccb_bp = NULL; 1882 1883 error = cam_periph_runccb(ccb, daerror, 1884 /*cam_flags*/CAM_RETRY_SELTO, 1885 sense_flags, 1886 softc->disk->d_devstat); 1887 1888 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1889 cam_release_devq(ccb->ccb_h.path, 1890 /*relsim_flags*/0, 1891 /*reduction*/0, 1892 /*timeout*/0, 1893 /*getcount_only*/0); 1894 1895 if (error == 0) { 1896 block_len = scsi_4btoul(rcaplong->length); 1897 maxsector = scsi_8btou64(rcaplong->addr); 1898 } 1899 1900 done: 1901 1902 if (error == 0) 1903 dasetgeom(periph, block_len, maxsector); 1904 1905 xpt_release_ccb(ccb); 1906 1907 free(rcap, M_TEMP); 1908 1909 return (error); 1910 } 1911 1912 static void 1913 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector) 1914 { 1915 struct ccb_calc_geometry ccg; 1916 struct da_softc *softc; 1917 struct disk_params *dp; 1918 1919 softc = (struct da_softc *)periph->softc; 1920 1921 dp = &softc->params; 1922 dp->secsize = block_len; 1923 dp->sectors = maxsector + 1; 1924 /* 1925 * Have the controller provide us with a geometry 1926 * for this disk. The only time the geometry 1927 * matters is when we boot and the controller 1928 * is the only one knowledgeable enough to come 1929 * up with something that will make this a bootable 1930 * device. 1931 */ 1932 xpt_setup_ccb(&ccg.ccb_h, periph->path, /*priority*/1); 1933 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY; 1934 ccg.block_size = dp->secsize; 1935 ccg.volume_size = dp->sectors; 1936 ccg.heads = 0; 1937 ccg.secs_per_track = 0; 1938 ccg.cylinders = 0; 1939 xpt_action((union ccb*)&ccg); 1940 if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1941 /* 1942 * We don't know what went wrong here- but just pick 1943 * a geometry so we don't have nasty things like divide 1944 * by zero. 1945 */ 1946 dp->heads = 255; 1947 dp->secs_per_track = 255; 1948 dp->cylinders = dp->sectors / (255 * 255); 1949 if (dp->cylinders == 0) { 1950 dp->cylinders = 1; 1951 } 1952 } else { 1953 dp->heads = ccg.heads; 1954 dp->secs_per_track = ccg.secs_per_track; 1955 dp->cylinders = ccg.cylinders; 1956 } 1957 } 1958 1959 static void 1960 dasendorderedtag(void *arg) 1961 { 1962 struct da_softc *softc; 1963 int s; 1964 if (da_send_ordered) { 1965 for (softc = SLIST_FIRST(&softc_list); 1966 softc != NULL; 1967 softc = SLIST_NEXT(softc, links)) { 1968 s = splsoftcam(); 1969 if ((softc->ordered_tag_count == 0) 1970 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) { 1971 softc->flags |= DA_FLAG_NEED_OTAG; 1972 } 1973 if (softc->outstanding_cmds > 0) 1974 softc->flags &= ~DA_FLAG_WENT_IDLE; 1975 1976 softc->ordered_tag_count = 0; 1977 splx(s); 1978 } 1979 /* Queue us up again */ 1980 timeout(dasendorderedtag, NULL, 1981 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL); 1982 } 1983 } 1984 1985 /* 1986 * Step through all DA peripheral drivers, and if the device is still open, 1987 * sync the disk cache to physical media. 1988 */ 1989 static void 1990 dashutdown(void * arg, int howto) 1991 { 1992 struct cam_periph *periph; 1993 struct da_softc *softc; 1994 1995 TAILQ_FOREACH(periph, &dadriver.units, unit_links) { 1996 union ccb ccb; 1997 softc = (struct da_softc *)periph->softc; 1998 1999 /* 2000 * We only sync the cache if the drive is still open, and 2001 * if the drive is capable of it.. 2002 */ 2003 if (((softc->flags & DA_FLAG_OPEN) == 0) 2004 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) 2005 continue; 2006 2007 xpt_setup_ccb(&ccb.ccb_h, periph->path, /*priority*/1); 2008 2009 ccb.ccb_h.ccb_state = DA_CCB_DUMP; 2010 scsi_synchronize_cache(&ccb.csio, 2011 /*retries*/1, 2012 /*cbfcnp*/dadone, 2013 MSG_SIMPLE_Q_TAG, 2014 /*begin_lba*/0, /* whole disk */ 2015 /*lb_count*/0, 2016 SSD_FULL_SIZE, 2017 60 * 60 * 1000); 2018 2019 xpt_polled_action(&ccb); 2020 2021 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2022 if (((ccb.ccb_h.status & CAM_STATUS_MASK) == 2023 CAM_SCSI_STATUS_ERROR) 2024 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){ 2025 int error_code, sense_key, asc, ascq; 2026 2027 scsi_extract_sense(&ccb.csio.sense_data, 2028 &error_code, &sense_key, 2029 &asc, &ascq); 2030 2031 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 2032 scsi_sense_print(&ccb.csio); 2033 } else { 2034 xpt_print(periph->path, "Synchronize " 2035 "cache failed, status == 0x%x, scsi status " 2036 "== 0x%x\n", ccb.ccb_h.status, 2037 ccb.csio.scsi_status); 2038 } 2039 } 2040 2041 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 2042 cam_release_devq(ccb.ccb_h.path, 2043 /*relsim_flags*/0, 2044 /*reduction*/0, 2045 /*timeout*/0, 2046 /*getcount_only*/0); 2047 2048 } 2049 } 2050 2051 #else /* !_KERNEL */ 2052 2053 /* 2054 * XXX This is only left out of the kernel build to silence warnings. If, 2055 * for some reason this function is used in the kernel, the ifdefs should 2056 * be moved so it is included both in the kernel and userland. 2057 */ 2058 void 2059 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries, 2060 void (*cbfcnp)(struct cam_periph *, union ccb *), 2061 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave, 2062 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 2063 u_int32_t timeout) 2064 { 2065 struct scsi_format_unit *scsi_cmd; 2066 2067 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes; 2068 scsi_cmd->opcode = FORMAT_UNIT; 2069 scsi_cmd->byte2 = byte2; 2070 scsi_ulto2b(ileave, scsi_cmd->interleave); 2071 2072 cam_fill_csio(csio, 2073 retries, 2074 cbfcnp, 2075 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 2076 tag_action, 2077 data_ptr, 2078 dxfer_len, 2079 sense_len, 2080 sizeof(*scsi_cmd), 2081 timeout); 2082 } 2083 2084 #endif /* _KERNEL */ 2085