1 /*- 2 * Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include "opt_ada.h" 31 #include "opt_ata.h" 32 33 #include <sys/param.h> 34 35 #ifdef _KERNEL 36 #include <sys/systm.h> 37 #include <sys/kernel.h> 38 #include <sys/bio.h> 39 #include <sys/sysctl.h> 40 #include <sys/taskqueue.h> 41 #include <sys/lock.h> 42 #include <sys/mutex.h> 43 #include <sys/conf.h> 44 #include <sys/devicestat.h> 45 #include <sys/eventhandler.h> 46 #include <sys/malloc.h> 47 #include <sys/cons.h> 48 #include <sys/reboot.h> 49 #include <geom/geom_disk.h> 50 #endif /* _KERNEL */ 51 52 #ifndef _KERNEL 53 #include <stdio.h> 54 #include <string.h> 55 #endif /* _KERNEL */ 56 57 #include <cam/cam.h> 58 #include <cam/cam_ccb.h> 59 #include <cam/cam_periph.h> 60 #include <cam/cam_xpt_periph.h> 61 #include <cam/cam_sim.h> 62 63 #include <cam/ata/ata_all.h> 64 65 #include <machine/md_var.h> /* geometry translation */ 66 67 #ifdef _KERNEL 68 69 #define ATA_MAX_28BIT_LBA 268435455UL 70 71 typedef enum { 72 ADA_STATE_RAHEAD, 73 ADA_STATE_WCACHE, 74 ADA_STATE_NORMAL 75 } ada_state; 76 77 typedef enum { 78 ADA_FLAG_PACK_INVALID = 0x001, 79 ADA_FLAG_CAN_48BIT = 0x002, 80 ADA_FLAG_CAN_FLUSHCACHE = 0x004, 81 ADA_FLAG_CAN_NCQ = 0x008, 82 ADA_FLAG_CAN_DMA = 0x010, 83 ADA_FLAG_NEED_OTAG = 0x020, 84 ADA_FLAG_WENT_IDLE = 0x040, 85 ADA_FLAG_CAN_TRIM = 0x080, 86 ADA_FLAG_OPEN = 0x100, 87 ADA_FLAG_SCTX_INIT = 0x200, 88 ADA_FLAG_CAN_CFA = 0x400, 89 ADA_FLAG_CAN_POWERMGT = 0x800 90 } ada_flags; 91 92 typedef enum { 93 ADA_Q_NONE = 0x00, 94 ADA_Q_4K = 0x01, 95 } ada_quirks; 96 97 typedef enum { 98 ADA_CCB_RAHEAD = 0x01, 99 ADA_CCB_WCACHE = 0x02, 100 ADA_CCB_BUFFER_IO = 0x03, 101 ADA_CCB_WAITING = 0x04, 102 ADA_CCB_DUMP = 0x05, 103 ADA_CCB_TRIM = 0x06, 104 ADA_CCB_TYPE_MASK = 0x0F, 105 } ada_ccb_state; 106 107 /* Offsets into our private area for storing information */ 108 #define ccb_state ppriv_field0 109 #define ccb_bp ppriv_ptr1 110 111 struct disk_params { 112 u_int8_t heads; 113 u_int8_t secs_per_track; 114 u_int32_t cylinders; 115 u_int32_t secsize; /* Number of bytes/logical sector */ 116 u_int64_t sectors; /* Total number sectors */ 117 }; 118 119 #define TRIM_MAX_BLOCKS 8 120 #define TRIM_MAX_RANGES (TRIM_MAX_BLOCKS * 64) 121 #define TRIM_MAX_BIOS (TRIM_MAX_RANGES * 4) 122 struct trim_request { 123 uint8_t data[TRIM_MAX_RANGES * 8]; 124 struct bio *bps[TRIM_MAX_BIOS]; 125 }; 126 127 struct ada_softc { 128 struct bio_queue_head bio_queue; 129 struct bio_queue_head trim_queue; 130 ada_state state; 131 ada_flags flags; 132 ada_quirks quirks; 133 int ordered_tag_count; 134 int outstanding_cmds; 135 int trim_max_ranges; 136 int trim_running; 137 int read_ahead; 138 int write_cache; 139 #ifdef ADA_TEST_FAILURE 140 int force_read_error; 141 int force_write_error; 142 int periodic_read_error; 143 int periodic_read_count; 144 #endif 145 struct disk_params params; 146 struct disk *disk; 147 struct task sysctl_task; 148 struct sysctl_ctx_list sysctl_ctx; 149 struct sysctl_oid *sysctl_tree; 150 struct callout sendordered_c; 151 struct trim_request trim_req; 152 }; 153 154 struct ada_quirk_entry { 155 struct scsi_inquiry_pattern inq_pat; 156 ada_quirks quirks; 157 }; 158 159 static struct ada_quirk_entry ada_quirk_table[] = 160 { 161 { 162 /* Hitachi Advanced Format (4k) drives */ 163 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Hitachi H??????????E3*", "*" }, 164 /*quirks*/ADA_Q_4K 165 }, 166 { 167 /* Samsung Advanced Format (4k) drives */ 168 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD155UI*", "*" }, 169 /*quirks*/ADA_Q_4K 170 }, 171 { 172 /* Samsung Advanced Format (4k) drives */ 173 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD204UI*", "*" }, 174 /*quirks*/ADA_Q_4K 175 }, 176 { 177 /* Seagate Barracuda Green Advanced Format (4k) drives */ 178 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DL*", "*" }, 179 /*quirks*/ADA_Q_4K 180 }, 181 { 182 /* Seagate Barracuda Advanced Format (4k) drives */ 183 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???DM*", "*" }, 184 /*quirks*/ADA_Q_4K 185 }, 186 { 187 /* Seagate Barracuda Advanced Format (4k) drives */ 188 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DM*", "*" }, 189 /*quirks*/ADA_Q_4K 190 }, 191 { 192 /* Seagate Momentus Advanced Format (4k) drives */ 193 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500423AS*", "*" }, 194 /*quirks*/ADA_Q_4K 195 }, 196 { 197 /* Seagate Momentus Advanced Format (4k) drives */ 198 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500424AS*", "*" }, 199 /*quirks*/ADA_Q_4K 200 }, 201 { 202 /* Seagate Momentus Advanced Format (4k) drives */ 203 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640423AS*", "*" }, 204 /*quirks*/ADA_Q_4K 205 }, 206 { 207 /* Seagate Momentus Advanced Format (4k) drives */ 208 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640424AS*", "*" }, 209 /*quirks*/ADA_Q_4K 210 }, 211 { 212 /* Seagate Momentus Advanced Format (4k) drives */ 213 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750420AS*", "*" }, 214 /*quirks*/ADA_Q_4K 215 }, 216 { 217 /* Seagate Momentus Advanced Format (4k) drives */ 218 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750422AS*", "*" }, 219 /*quirks*/ADA_Q_4K 220 }, 221 { 222 /* Seagate Momentus Advanced Format (4k) drives */ 223 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750423AS*", "*" }, 224 /*quirks*/ADA_Q_4K 225 }, 226 { 227 /* Seagate Momentus Thin Advanced Format (4k) drives */ 228 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???LT*", "*" }, 229 /*quirks*/ADA_Q_4K 230 }, 231 { 232 /* WDC Caviar Green Advanced Format (4k) drives */ 233 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RS*", "*" }, 234 /*quirks*/ADA_Q_4K 235 }, 236 { 237 /* WDC Caviar Green Advanced Format (4k) drives */ 238 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RX*", "*" }, 239 /*quirks*/ADA_Q_4K 240 }, 241 { 242 /* WDC Caviar Green Advanced Format (4k) drives */ 243 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RS*", "*" }, 244 /*quirks*/ADA_Q_4K 245 }, 246 { 247 /* WDC Caviar Green Advanced Format (4k) drives */ 248 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RX*", "*" }, 249 /*quirks*/ADA_Q_4K 250 }, 251 { 252 /* WDC Scorpio Black Advanced Format (4k) drives */ 253 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PKT*", "*" }, 254 /*quirks*/ADA_Q_4K 255 }, 256 { 257 /* WDC Scorpio Black Advanced Format (4k) drives */ 258 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PKT*", "*" }, 259 /*quirks*/ADA_Q_4K 260 }, 261 { 262 /* WDC Scorpio Blue Advanced Format (4k) drives */ 263 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PVT*", "*" }, 264 /*quirks*/ADA_Q_4K 265 }, 266 { 267 /* WDC Scorpio Blue Advanced Format (4k) drives */ 268 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PVT*", "*" }, 269 /*quirks*/ADA_Q_4K 270 }, 271 { 272 /* Default */ 273 { 274 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 275 /*vendor*/"*", /*product*/"*", /*revision*/"*" 276 }, 277 /*quirks*/0 278 }, 279 }; 280 281 static disk_strategy_t adastrategy; 282 static dumper_t adadump; 283 static periph_init_t adainit; 284 static void adaasync(void *callback_arg, u_int32_t code, 285 struct cam_path *path, void *arg); 286 static void adasysctlinit(void *context, int pending); 287 static periph_ctor_t adaregister; 288 static periph_dtor_t adacleanup; 289 static periph_start_t adastart; 290 static periph_oninv_t adaoninvalidate; 291 static void adadone(struct cam_periph *periph, 292 union ccb *done_ccb); 293 static int adaerror(union ccb *ccb, u_int32_t cam_flags, 294 u_int32_t sense_flags); 295 static void adagetparams(struct cam_periph *periph, 296 struct ccb_getdev *cgd); 297 static timeout_t adasendorderedtag; 298 static void adashutdown(void *arg, int howto); 299 static void adasuspend(void *arg); 300 static void adaresume(void *arg); 301 302 #ifndef ADA_DEFAULT_LEGACY_ALIASES 303 #ifdef ATA_CAM 304 #define ADA_DEFAULT_LEGACY_ALIASES 1 305 #else 306 #define ADA_DEFAULT_LEGACY_ALIASES 0 307 #endif 308 #endif 309 310 #ifndef ADA_DEFAULT_TIMEOUT 311 #define ADA_DEFAULT_TIMEOUT 30 /* Timeout in seconds */ 312 #endif 313 314 #ifndef ADA_DEFAULT_RETRY 315 #define ADA_DEFAULT_RETRY 4 316 #endif 317 318 #ifndef ADA_DEFAULT_SEND_ORDERED 319 #define ADA_DEFAULT_SEND_ORDERED 1 320 #endif 321 322 #ifndef ADA_DEFAULT_SPINDOWN_SHUTDOWN 323 #define ADA_DEFAULT_SPINDOWN_SHUTDOWN 1 324 #endif 325 326 #ifndef ADA_DEFAULT_SPINDOWN_SUSPEND 327 #define ADA_DEFAULT_SPINDOWN_SUSPEND 1 328 #endif 329 330 #ifndef ADA_DEFAULT_READ_AHEAD 331 #define ADA_DEFAULT_READ_AHEAD 1 332 #endif 333 334 #ifndef ADA_DEFAULT_WRITE_CACHE 335 #define ADA_DEFAULT_WRITE_CACHE 1 336 #endif 337 338 #define ADA_RA (softc->read_ahead >= 0 ? \ 339 softc->read_ahead : ada_read_ahead) 340 #define ADA_WC (softc->write_cache >= 0 ? \ 341 softc->write_cache : ada_write_cache) 342 343 /* 344 * Most platforms map firmware geometry to actual, but some don't. If 345 * not overridden, default to nothing. 346 */ 347 #ifndef ata_disk_firmware_geom_adjust 348 #define ata_disk_firmware_geom_adjust(disk) 349 #endif 350 351 static int ada_legacy_aliases = ADA_DEFAULT_LEGACY_ALIASES; 352 static int ada_retry_count = ADA_DEFAULT_RETRY; 353 static int ada_default_timeout = ADA_DEFAULT_TIMEOUT; 354 static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED; 355 static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN; 356 static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND; 357 static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD; 358 static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE; 359 360 static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD, 0, 361 "CAM Direct Access Disk driver"); 362 SYSCTL_INT(_kern_cam_ada, OID_AUTO, legacy_aliases, CTLFLAG_RW, 363 &ada_legacy_aliases, 0, "Create legacy-like device aliases"); 364 TUNABLE_INT("kern.cam.ada.legacy_aliases", &ada_legacy_aliases); 365 SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RW, 366 &ada_retry_count, 0, "Normal I/O retry count"); 367 TUNABLE_INT("kern.cam.ada.retry_count", &ada_retry_count); 368 SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RW, 369 &ada_default_timeout, 0, "Normal I/O timeout (in seconds)"); 370 TUNABLE_INT("kern.cam.ada.default_timeout", &ada_default_timeout); 371 SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RW, 372 &ada_send_ordered, 0, "Send Ordered Tags"); 373 TUNABLE_INT("kern.cam.ada.send_ordered", &ada_send_ordered); 374 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RW, 375 &ada_spindown_shutdown, 0, "Spin down upon shutdown"); 376 TUNABLE_INT("kern.cam.ada.spindown_shutdown", &ada_spindown_shutdown); 377 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RW, 378 &ada_spindown_suspend, 0, "Spin down upon suspend"); 379 TUNABLE_INT("kern.cam.ada.spindown_suspend", &ada_spindown_suspend); 380 SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RW, 381 &ada_read_ahead, 0, "Enable disk read-ahead"); 382 TUNABLE_INT("kern.cam.ada.read_ahead", &ada_read_ahead); 383 SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RW, 384 &ada_write_cache, 0, "Enable disk write cache"); 385 TUNABLE_INT("kern.cam.ada.write_cache", &ada_write_cache); 386 387 /* 388 * ADA_ORDEREDTAG_INTERVAL determines how often, relative 389 * to the default timeout, we check to see whether an ordered 390 * tagged transaction is appropriate to prevent simple tag 391 * starvation. Since we'd like to ensure that there is at least 392 * 1/2 of the timeout length left for a starved transaction to 393 * complete after we've sent an ordered tag, we must poll at least 394 * four times in every timeout period. This takes care of the worst 395 * case where a starved transaction starts during an interval that 396 * meets the requirement "don't send an ordered tag" test so it takes 397 * us two intervals to determine that a tag must be sent. 398 */ 399 #ifndef ADA_ORDEREDTAG_INTERVAL 400 #define ADA_ORDEREDTAG_INTERVAL 4 401 #endif 402 403 static struct periph_driver adadriver = 404 { 405 adainit, "ada", 406 TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0 407 }; 408 409 PERIPHDRIVER_DECLARE(ada, adadriver); 410 411 static MALLOC_DEFINE(M_ATADA, "ata_da", "ata_da buffers"); 412 413 static int 414 adaopen(struct disk *dp) 415 { 416 struct cam_periph *periph; 417 struct ada_softc *softc; 418 int error; 419 420 periph = (struct cam_periph *)dp->d_drv1; 421 if (periph == NULL) { 422 return (ENXIO); 423 } 424 425 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 426 return(ENXIO); 427 } 428 429 cam_periph_lock(periph); 430 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 431 cam_periph_unlock(periph); 432 cam_periph_release(periph); 433 return (error); 434 } 435 436 softc = (struct ada_softc *)periph->softc; 437 softc->flags |= ADA_FLAG_OPEN; 438 439 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 440 ("adaopen\n")); 441 442 if ((softc->flags & ADA_FLAG_PACK_INVALID) != 0) { 443 /* Invalidate our pack information. */ 444 softc->flags &= ~ADA_FLAG_PACK_INVALID; 445 } 446 447 cam_periph_unhold(periph); 448 cam_periph_unlock(periph); 449 return (0); 450 } 451 452 static int 453 adaclose(struct disk *dp) 454 { 455 struct cam_periph *periph; 456 struct ada_softc *softc; 457 union ccb *ccb; 458 459 periph = (struct cam_periph *)dp->d_drv1; 460 if (periph == NULL) 461 return (ENXIO); 462 463 cam_periph_lock(periph); 464 if (cam_periph_hold(periph, PRIBIO) != 0) { 465 cam_periph_unlock(periph); 466 cam_periph_release(periph); 467 return (0); 468 } 469 470 softc = (struct ada_softc *)periph->softc; 471 472 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 473 ("adaclose\n")); 474 475 /* We only sync the cache if the drive is capable of it. */ 476 if ((softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 && 477 (softc->flags & ADA_FLAG_PACK_INVALID) == 0) { 478 479 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 480 cam_fill_ataio(&ccb->ataio, 481 1, 482 adadone, 483 CAM_DIR_NONE, 484 0, 485 NULL, 486 0, 487 ada_default_timeout*1000); 488 489 if (softc->flags & ADA_FLAG_CAN_48BIT) 490 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 491 else 492 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 493 cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 494 /*sense_flags*/0, softc->disk->d_devstat); 495 496 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 497 xpt_print(periph->path, "Synchronize cache failed\n"); 498 xpt_release_ccb(ccb); 499 } 500 501 softc->flags &= ~ADA_FLAG_OPEN; 502 cam_periph_unhold(periph); 503 cam_periph_unlock(periph); 504 cam_periph_release(periph); 505 return (0); 506 } 507 508 static void 509 adaschedule(struct cam_periph *periph) 510 { 511 struct ada_softc *softc = (struct ada_softc *)periph->softc; 512 uint32_t prio; 513 514 /* Check if cam_periph_getccb() was called. */ 515 prio = periph->immediate_priority; 516 517 /* Check if we have more work to do. */ 518 if (bioq_first(&softc->bio_queue) || 519 (!softc->trim_running && bioq_first(&softc->trim_queue))) { 520 prio = CAM_PRIORITY_NORMAL; 521 } 522 523 /* Schedule CCB if any of above is true. */ 524 if (prio != CAM_PRIORITY_NONE) 525 xpt_schedule(periph, prio); 526 } 527 528 /* 529 * Actually translate the requested transfer into one the physical driver 530 * can understand. The transfer is described by a buf and will include 531 * only one physical transfer. 532 */ 533 static void 534 adastrategy(struct bio *bp) 535 { 536 struct cam_periph *periph; 537 struct ada_softc *softc; 538 539 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 540 if (periph == NULL) { 541 biofinish(bp, NULL, ENXIO); 542 return; 543 } 544 softc = (struct ada_softc *)periph->softc; 545 546 cam_periph_lock(periph); 547 548 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp)); 549 550 /* 551 * If the device has been made invalid, error out 552 */ 553 if ((softc->flags & ADA_FLAG_PACK_INVALID)) { 554 cam_periph_unlock(periph); 555 biofinish(bp, NULL, ENXIO); 556 return; 557 } 558 559 /* 560 * Place it in the queue of disk activities for this disk 561 */ 562 if (bp->bio_cmd == BIO_DELETE && 563 (softc->flags & ADA_FLAG_CAN_TRIM)) 564 bioq_disksort(&softc->trim_queue, bp); 565 else 566 bioq_disksort(&softc->bio_queue, bp); 567 568 /* 569 * Schedule ourselves for performing the work. 570 */ 571 adaschedule(periph); 572 cam_periph_unlock(periph); 573 574 return; 575 } 576 577 static int 578 adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 579 { 580 struct cam_periph *periph; 581 struct ada_softc *softc; 582 u_int secsize; 583 union ccb ccb; 584 struct disk *dp; 585 uint64_t lba; 586 uint16_t count; 587 int error = 0; 588 589 dp = arg; 590 periph = dp->d_drv1; 591 if (periph == NULL) 592 return (ENXIO); 593 softc = (struct ada_softc *)periph->softc; 594 cam_periph_lock(periph); 595 secsize = softc->params.secsize; 596 lba = offset / secsize; 597 count = length / secsize; 598 599 if ((softc->flags & ADA_FLAG_PACK_INVALID) != 0) { 600 cam_periph_unlock(periph); 601 return (ENXIO); 602 } 603 604 if (length > 0) { 605 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 606 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 607 cam_fill_ataio(&ccb.ataio, 608 0, 609 adadone, 610 CAM_DIR_OUT, 611 0, 612 (u_int8_t *) virtual, 613 length, 614 ada_default_timeout*1000); 615 if ((softc->flags & ADA_FLAG_CAN_48BIT) && 616 (lba + count >= ATA_MAX_28BIT_LBA || 617 count >= 256)) { 618 ata_48bit_cmd(&ccb.ataio, ATA_WRITE_DMA48, 619 0, lba, count); 620 } else { 621 ata_28bit_cmd(&ccb.ataio, ATA_WRITE_DMA, 622 0, lba, count); 623 } 624 xpt_polled_action(&ccb); 625 626 error = cam_periph_error(&ccb, 627 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 628 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 629 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 630 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 631 if (error != 0) 632 printf("Aborting dump due to I/O error.\n"); 633 634 cam_periph_unlock(periph); 635 return (error); 636 } 637 638 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { 639 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 640 641 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 642 cam_fill_ataio(&ccb.ataio, 643 0, 644 adadone, 645 CAM_DIR_NONE, 646 0, 647 NULL, 648 0, 649 ada_default_timeout*1000); 650 651 if (softc->flags & ADA_FLAG_CAN_48BIT) 652 ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); 653 else 654 ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); 655 xpt_polled_action(&ccb); 656 657 error = cam_periph_error(&ccb, 658 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 659 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 660 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 661 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 662 if (error != 0) 663 xpt_print(periph->path, "Synchronize cache failed\n"); 664 } 665 cam_periph_unlock(periph); 666 return (error); 667 } 668 669 static void 670 adainit(void) 671 { 672 cam_status status; 673 674 /* 675 * Install a global async callback. This callback will 676 * receive async callbacks like "new device found". 677 */ 678 status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL); 679 680 if (status != CAM_REQ_CMP) { 681 printf("ada: Failed to attach master async callback " 682 "due to status 0x%x!\n", status); 683 } else if (ada_send_ordered) { 684 685 /* Register our event handlers */ 686 if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend, 687 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 688 printf("adainit: power event registration failed!\n"); 689 if ((EVENTHANDLER_REGISTER(power_resume, adaresume, 690 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 691 printf("adainit: power event registration failed!\n"); 692 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown, 693 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 694 printf("adainit: shutdown event registration failed!\n"); 695 } 696 } 697 698 static void 699 adaoninvalidate(struct cam_periph *periph) 700 { 701 struct ada_softc *softc; 702 703 softc = (struct ada_softc *)periph->softc; 704 705 /* 706 * De-register any async callbacks. 707 */ 708 xpt_register_async(0, adaasync, periph, periph->path); 709 710 softc->flags |= ADA_FLAG_PACK_INVALID; 711 712 /* 713 * Return all queued I/O with ENXIO. 714 * XXX Handle any transactions queued to the card 715 * with XPT_ABORT_CCB. 716 */ 717 bioq_flush(&softc->bio_queue, NULL, ENXIO); 718 bioq_flush(&softc->trim_queue, NULL, ENXIO); 719 720 disk_gone(softc->disk); 721 xpt_print(periph->path, "lost device\n"); 722 } 723 724 static void 725 adacleanup(struct cam_periph *periph) 726 { 727 struct ada_softc *softc; 728 729 softc = (struct ada_softc *)periph->softc; 730 731 xpt_print(periph->path, "removing device entry\n"); 732 cam_periph_unlock(periph); 733 734 /* 735 * If we can't free the sysctl tree, oh well... 736 */ 737 if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0 738 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 739 xpt_print(periph->path, "can't remove sysctl context\n"); 740 } 741 742 disk_destroy(softc->disk); 743 callout_drain(&softc->sendordered_c); 744 free(softc, M_DEVBUF); 745 cam_periph_lock(periph); 746 } 747 748 static void 749 adaasync(void *callback_arg, u_int32_t code, 750 struct cam_path *path, void *arg) 751 { 752 struct ccb_getdev cgd; 753 struct cam_periph *periph; 754 struct ada_softc *softc; 755 756 periph = (struct cam_periph *)callback_arg; 757 switch (code) { 758 case AC_FOUND_DEVICE: 759 { 760 struct ccb_getdev *cgd; 761 cam_status status; 762 763 cgd = (struct ccb_getdev *)arg; 764 if (cgd == NULL) 765 break; 766 767 if (cgd->protocol != PROTO_ATA) 768 break; 769 770 /* 771 * Allocate a peripheral instance for 772 * this device and start the probe 773 * process. 774 */ 775 status = cam_periph_alloc(adaregister, adaoninvalidate, 776 adacleanup, adastart, 777 "ada", CAM_PERIPH_BIO, 778 cgd->ccb_h.path, adaasync, 779 AC_FOUND_DEVICE, cgd); 780 781 if (status != CAM_REQ_CMP 782 && status != CAM_REQ_INPROG) 783 printf("adaasync: Unable to attach to new device " 784 "due to status 0x%x\n", status); 785 break; 786 } 787 case AC_GETDEV_CHANGED: 788 { 789 softc = (struct ada_softc *)periph->softc; 790 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 791 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 792 xpt_action((union ccb *)&cgd); 793 794 if ((cgd.ident_data.capabilities1 & ATA_SUPPORT_DMA) && 795 (cgd.inq_flags & SID_DMA)) 796 softc->flags |= ADA_FLAG_CAN_DMA; 797 else 798 softc->flags &= ~ADA_FLAG_CAN_DMA; 799 if ((cgd.ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 800 (cgd.inq_flags & SID_DMA) && (cgd.inq_flags & SID_CmdQue)) 801 softc->flags |= ADA_FLAG_CAN_NCQ; 802 else 803 softc->flags &= ~ADA_FLAG_CAN_NCQ; 804 if ((cgd.ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 805 (cgd.inq_flags & SID_DMA)) 806 softc->flags |= ADA_FLAG_CAN_TRIM; 807 else 808 softc->flags &= ~ADA_FLAG_CAN_TRIM; 809 810 cam_periph_async(periph, code, path, arg); 811 break; 812 } 813 case AC_ADVINFO_CHANGED: 814 { 815 uintptr_t buftype; 816 817 buftype = (uintptr_t)arg; 818 if (buftype == CDAI_TYPE_PHYS_PATH) { 819 struct ada_softc *softc; 820 821 softc = periph->softc; 822 disk_attr_changed(softc->disk, "GEOM::physpath", 823 M_NOWAIT); 824 } 825 break; 826 } 827 case AC_SENT_BDR: 828 case AC_BUS_RESET: 829 { 830 softc = (struct ada_softc *)periph->softc; 831 cam_periph_async(periph, code, path, arg); 832 if (softc->state != ADA_STATE_NORMAL) 833 break; 834 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 835 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 836 xpt_action((union ccb *)&cgd); 837 if (ADA_RA >= 0 && 838 cgd.ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) 839 softc->state = ADA_STATE_RAHEAD; 840 else if (ADA_WC >= 0 && 841 cgd.ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) 842 softc->state = ADA_STATE_WCACHE; 843 else 844 break; 845 cam_periph_acquire(periph); 846 cam_freeze_devq_arg(periph->path, 847 RELSIM_RELEASE_RUNLEVEL, CAM_RL_DEV + 1); 848 xpt_schedule(periph, CAM_PRIORITY_DEV); 849 } 850 default: 851 cam_periph_async(periph, code, path, arg); 852 break; 853 } 854 } 855 856 static void 857 adasysctlinit(void *context, int pending) 858 { 859 struct cam_periph *periph; 860 struct ada_softc *softc; 861 char tmpstr[80], tmpstr2[80]; 862 863 periph = (struct cam_periph *)context; 864 865 /* periph was held for us when this task was enqueued */ 866 if (periph->flags & CAM_PERIPH_INVALID) { 867 cam_periph_release(periph); 868 return; 869 } 870 871 softc = (struct ada_softc *)periph->softc; 872 snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d", periph->unit_number); 873 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 874 875 sysctl_ctx_init(&softc->sysctl_ctx); 876 softc->flags |= ADA_FLAG_SCTX_INIT; 877 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 878 SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2, 879 CTLFLAG_RD, 0, tmpstr); 880 if (softc->sysctl_tree == NULL) { 881 printf("adasysctlinit: unable to allocate sysctl tree\n"); 882 cam_periph_release(periph); 883 return; 884 } 885 886 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 887 OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE, 888 &softc->read_ahead, 0, "Enable disk read ahead."); 889 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 890 OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE, 891 &softc->write_cache, 0, "Enable disk write cache."); 892 #ifdef ADA_TEST_FAILURE 893 /* 894 * Add a 'door bell' sysctl which allows one to set it from userland 895 * and cause something bad to happen. For the moment, we only allow 896 * whacking the next read or write. 897 */ 898 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 899 OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 900 &softc->force_read_error, 0, 901 "Force a read error for the next N reads."); 902 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 903 OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 904 &softc->force_write_error, 0, 905 "Force a write error for the next N writes."); 906 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 907 OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 908 &softc->periodic_read_error, 0, 909 "Force a read error every N reads (don't set too low)."); 910 #endif 911 cam_periph_release(periph); 912 } 913 914 static int 915 adagetattr(struct bio *bp) 916 { 917 int ret = -1; 918 struct cam_periph *periph; 919 920 if (bp->bio_disk == NULL || bp->bio_disk->d_drv1 == NULL) 921 return ENXIO; 922 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 923 if (periph->path == NULL) 924 return ENXIO; 925 926 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 927 periph->path); 928 if (ret == 0) 929 bp->bio_completed = bp->bio_length; 930 return ret; 931 } 932 933 static cam_status 934 adaregister(struct cam_periph *periph, void *arg) 935 { 936 struct ada_softc *softc; 937 struct ccb_pathinq cpi; 938 struct ccb_getdev *cgd; 939 char announce_buf[80], buf1[32]; 940 struct disk_params *dp; 941 caddr_t match; 942 u_int maxio; 943 int legacy_id, quirks; 944 945 cgd = (struct ccb_getdev *)arg; 946 if (periph == NULL) { 947 printf("adaregister: periph was NULL!!\n"); 948 return(CAM_REQ_CMP_ERR); 949 } 950 951 if (cgd == NULL) { 952 printf("adaregister: no getdev CCB, can't register device\n"); 953 return(CAM_REQ_CMP_ERR); 954 } 955 956 softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF, 957 M_NOWAIT|M_ZERO); 958 959 if (softc == NULL) { 960 printf("adaregister: Unable to probe new device. " 961 "Unable to allocate softc\n"); 962 return(CAM_REQ_CMP_ERR); 963 } 964 965 bioq_init(&softc->bio_queue); 966 bioq_init(&softc->trim_queue); 967 968 if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) && 969 (cgd->inq_flags & SID_DMA)) 970 softc->flags |= ADA_FLAG_CAN_DMA; 971 if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) 972 softc->flags |= ADA_FLAG_CAN_48BIT; 973 if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE) 974 softc->flags |= ADA_FLAG_CAN_FLUSHCACHE; 975 if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT) 976 softc->flags |= ADA_FLAG_CAN_POWERMGT; 977 if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 978 (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue)) 979 softc->flags |= ADA_FLAG_CAN_NCQ; 980 if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 981 (cgd->inq_flags & SID_DMA)) { 982 softc->flags |= ADA_FLAG_CAN_TRIM; 983 softc->trim_max_ranges = TRIM_MAX_RANGES; 984 if (cgd->ident_data.max_dsm_blocks != 0) { 985 softc->trim_max_ranges = 986 min(cgd->ident_data.max_dsm_blocks * 64, 987 softc->trim_max_ranges); 988 } 989 } 990 if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA) 991 softc->flags |= ADA_FLAG_CAN_CFA; 992 993 periph->softc = softc; 994 995 /* 996 * See if this device has any quirks. 997 */ 998 match = cam_quirkmatch((caddr_t)&cgd->ident_data, 999 (caddr_t)ada_quirk_table, 1000 sizeof(ada_quirk_table)/sizeof(*ada_quirk_table), 1001 sizeof(*ada_quirk_table), ata_identify_match); 1002 if (match != NULL) 1003 softc->quirks = ((struct ada_quirk_entry *)match)->quirks; 1004 else 1005 softc->quirks = ADA_Q_NONE; 1006 1007 bzero(&cpi, sizeof(cpi)); 1008 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 1009 cpi.ccb_h.func_code = XPT_PATH_INQ; 1010 xpt_action((union ccb *)&cpi); 1011 1012 TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph); 1013 1014 /* 1015 * Register this media as a disk 1016 */ 1017 (void)cam_periph_hold(periph, PRIBIO); 1018 mtx_unlock(periph->sim->mtx); 1019 snprintf(announce_buf, sizeof(announce_buf), 1020 "kern.cam.ada.%d.quirks", periph->unit_number); 1021 quirks = softc->quirks; 1022 TUNABLE_INT_FETCH(announce_buf, &quirks); 1023 softc->quirks = quirks; 1024 softc->read_ahead = -1; 1025 snprintf(announce_buf, sizeof(announce_buf), 1026 "kern.cam.ada.%d.read_ahead", periph->unit_number); 1027 TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead); 1028 softc->write_cache = -1; 1029 snprintf(announce_buf, sizeof(announce_buf), 1030 "kern.cam.ada.%d.write_cache", periph->unit_number); 1031 TUNABLE_INT_FETCH(announce_buf, &softc->write_cache); 1032 adagetparams(periph, cgd); 1033 softc->disk = disk_alloc(); 1034 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1035 periph->unit_number, softc->params.secsize, 1036 DEVSTAT_ALL_SUPPORTED, 1037 DEVSTAT_TYPE_DIRECT | 1038 XPORT_DEVSTAT_TYPE(cpi.transport), 1039 DEVSTAT_PRIORITY_DISK); 1040 softc->disk->d_open = adaopen; 1041 softc->disk->d_close = adaclose; 1042 softc->disk->d_strategy = adastrategy; 1043 softc->disk->d_getattr = adagetattr; 1044 softc->disk->d_dump = adadump; 1045 softc->disk->d_name = "ada"; 1046 softc->disk->d_drv1 = periph; 1047 maxio = cpi.maxio; /* Honor max I/O size of SIM */ 1048 if (maxio == 0) 1049 maxio = DFLTPHYS; /* traditional default */ 1050 else if (maxio > MAXPHYS) 1051 maxio = MAXPHYS; /* for safety */ 1052 if (softc->flags & ADA_FLAG_CAN_48BIT) 1053 maxio = min(maxio, 65536 * softc->params.secsize); 1054 else /* 28bit ATA command limit */ 1055 maxio = min(maxio, 256 * softc->params.secsize); 1056 softc->disk->d_maxsize = maxio; 1057 softc->disk->d_unit = periph->unit_number; 1058 softc->disk->d_flags = 0; 1059 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) 1060 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1061 if ((softc->flags & ADA_FLAG_CAN_TRIM) || 1062 ((softc->flags & ADA_FLAG_CAN_CFA) && 1063 !(softc->flags & ADA_FLAG_CAN_48BIT))) 1064 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1065 strlcpy(softc->disk->d_descr, cgd->ident_data.model, 1066 MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model))); 1067 softc->disk->d_hba_vendor = cpi.hba_vendor; 1068 softc->disk->d_hba_device = cpi.hba_device; 1069 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1070 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1071 1072 softc->disk->d_sectorsize = softc->params.secsize; 1073 softc->disk->d_mediasize = (off_t)softc->params.sectors * 1074 softc->params.secsize; 1075 if (ata_physical_sector_size(&cgd->ident_data) != 1076 softc->params.secsize) { 1077 softc->disk->d_stripesize = 1078 ata_physical_sector_size(&cgd->ident_data); 1079 softc->disk->d_stripeoffset = (softc->disk->d_stripesize - 1080 ata_logical_sector_offset(&cgd->ident_data)) % 1081 softc->disk->d_stripesize; 1082 } else if (softc->quirks & ADA_Q_4K) { 1083 softc->disk->d_stripesize = 4096; 1084 softc->disk->d_stripeoffset = 0; 1085 } 1086 softc->disk->d_fwsectors = softc->params.secs_per_track; 1087 softc->disk->d_fwheads = softc->params.heads; 1088 ata_disk_firmware_geom_adjust(softc->disk); 1089 1090 if (ada_legacy_aliases) { 1091 #ifdef ATA_STATIC_ID 1092 legacy_id = xpt_path_legacy_ata_id(periph->path); 1093 #else 1094 legacy_id = softc->disk->d_unit; 1095 #endif 1096 if (legacy_id >= 0) { 1097 snprintf(announce_buf, sizeof(announce_buf), 1098 "kern.devalias.%s%d", 1099 softc->disk->d_name, softc->disk->d_unit); 1100 snprintf(buf1, sizeof(buf1), 1101 "ad%d", legacy_id); 1102 setenv(announce_buf, buf1); 1103 } 1104 } else 1105 legacy_id = -1; 1106 disk_create(softc->disk, DISK_VERSION); 1107 mtx_lock(periph->sim->mtx); 1108 cam_periph_unhold(periph); 1109 1110 dp = &softc->params; 1111 snprintf(announce_buf, sizeof(announce_buf), 1112 "%juMB (%ju %u byte sectors: %dH %dS/T %dC)", 1113 (uintmax_t)(((uintmax_t)dp->secsize * 1114 dp->sectors) / (1024*1024)), 1115 (uintmax_t)dp->sectors, 1116 dp->secsize, dp->heads, 1117 dp->secs_per_track, dp->cylinders); 1118 xpt_announce_periph(periph, announce_buf); 1119 if (legacy_id >= 0) 1120 printf("%s%d: Previously was known as ad%d\n", 1121 periph->periph_name, periph->unit_number, legacy_id); 1122 1123 /* 1124 * Create our sysctl variables, now that we know 1125 * we have successfully attached. 1126 */ 1127 cam_periph_acquire(periph); 1128 taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task); 1129 1130 /* 1131 * Add async callbacks for bus reset and 1132 * bus device reset calls. I don't bother 1133 * checking if this fails as, in most cases, 1134 * the system will function just fine without 1135 * them and the only alternative would be to 1136 * not attach the device on failure. 1137 */ 1138 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 1139 AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED, 1140 adaasync, periph, periph->path); 1141 1142 /* 1143 * Schedule a periodic event to occasionally send an 1144 * ordered tag to a device. 1145 */ 1146 callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0); 1147 callout_reset(&softc->sendordered_c, 1148 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1149 adasendorderedtag, softc); 1150 1151 if (ADA_RA >= 0 && 1152 cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) { 1153 softc->state = ADA_STATE_RAHEAD; 1154 cam_periph_acquire(periph); 1155 cam_freeze_devq_arg(periph->path, 1156 RELSIM_RELEASE_RUNLEVEL, CAM_RL_DEV + 1); 1157 xpt_schedule(periph, CAM_PRIORITY_DEV); 1158 } else if (ADA_WC >= 0 && 1159 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1160 softc->state = ADA_STATE_WCACHE; 1161 cam_periph_acquire(periph); 1162 cam_freeze_devq_arg(periph->path, 1163 RELSIM_RELEASE_RUNLEVEL, CAM_RL_DEV + 1); 1164 xpt_schedule(periph, CAM_PRIORITY_DEV); 1165 } else 1166 softc->state = ADA_STATE_NORMAL; 1167 1168 return(CAM_REQ_CMP); 1169 } 1170 1171 static void 1172 adastart(struct cam_periph *periph, union ccb *start_ccb) 1173 { 1174 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1175 struct ccb_ataio *ataio = &start_ccb->ataio; 1176 1177 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n")); 1178 1179 switch (softc->state) { 1180 case ADA_STATE_NORMAL: 1181 { 1182 struct bio *bp; 1183 u_int8_t tag_code; 1184 1185 /* Execute immediate CCB if waiting. */ 1186 if (periph->immediate_priority <= periph->pinfo.priority) { 1187 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1188 ("queuing for immediate ccb\n")); 1189 start_ccb->ccb_h.ccb_state = ADA_CCB_WAITING; 1190 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1191 periph_links.sle); 1192 periph->immediate_priority = CAM_PRIORITY_NONE; 1193 wakeup(&periph->ccb_list); 1194 /* Have more work to do, so ensure we stay scheduled */ 1195 adaschedule(periph); 1196 break; 1197 } 1198 /* Run TRIM if not running yet. */ 1199 if (!softc->trim_running && 1200 (bp = bioq_first(&softc->trim_queue)) != 0) { 1201 struct trim_request *req = &softc->trim_req; 1202 struct bio *bp1; 1203 uint64_t lastlba = (uint64_t)-1; 1204 int bps = 0, c, lastcount = 0, off, ranges = 0; 1205 1206 softc->trim_running = 1; 1207 bzero(req, sizeof(*req)); 1208 bp1 = bp; 1209 do { 1210 uint64_t lba = bp1->bio_pblkno; 1211 int count = bp1->bio_bcount / 1212 softc->params.secsize; 1213 1214 bioq_remove(&softc->trim_queue, bp1); 1215 1216 /* Try to extend the previous range. */ 1217 if (lba == lastlba) { 1218 c = min(count, 0xffff - lastcount); 1219 lastcount += c; 1220 off = (ranges - 1) * 8; 1221 req->data[off + 6] = lastcount & 0xff; 1222 req->data[off + 7] = 1223 (lastcount >> 8) & 0xff; 1224 count -= c; 1225 lba += c; 1226 } 1227 1228 while (count > 0) { 1229 c = min(count, 0xffff); 1230 off = ranges * 8; 1231 req->data[off + 0] = lba & 0xff; 1232 req->data[off + 1] = (lba >> 8) & 0xff; 1233 req->data[off + 2] = (lba >> 16) & 0xff; 1234 req->data[off + 3] = (lba >> 24) & 0xff; 1235 req->data[off + 4] = (lba >> 32) & 0xff; 1236 req->data[off + 5] = (lba >> 40) & 0xff; 1237 req->data[off + 6] = c & 0xff; 1238 req->data[off + 7] = (c >> 8) & 0xff; 1239 lba += c; 1240 count -= c; 1241 lastcount = c; 1242 ranges++; 1243 } 1244 lastlba = lba; 1245 req->bps[bps++] = bp1; 1246 bp1 = bioq_first(&softc->trim_queue); 1247 if (bps >= TRIM_MAX_BIOS || 1248 bp1 == NULL || 1249 bp1->bio_bcount / softc->params.secsize > 1250 (softc->trim_max_ranges - ranges) * 0xffff) 1251 break; 1252 } while (1); 1253 cam_fill_ataio(ataio, 1254 ada_retry_count, 1255 adadone, 1256 CAM_DIR_OUT, 1257 0, 1258 req->data, 1259 ((ranges + 63) / 64) * 512, 1260 ada_default_timeout * 1000); 1261 ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT, 1262 ATA_DSM_TRIM, 0, (ranges + 63) / 64); 1263 start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM; 1264 goto out; 1265 } 1266 /* Run regular command. */ 1267 bp = bioq_first(&softc->bio_queue); 1268 if (bp == NULL) { 1269 xpt_release_ccb(start_ccb); 1270 break; 1271 } 1272 bioq_remove(&softc->bio_queue, bp); 1273 1274 if ((bp->bio_flags & BIO_ORDERED) != 0 1275 || (softc->flags & ADA_FLAG_NEED_OTAG) != 0) { 1276 softc->flags &= ~ADA_FLAG_NEED_OTAG; 1277 softc->ordered_tag_count++; 1278 tag_code = 0; 1279 } else { 1280 tag_code = 1; 1281 } 1282 switch (bp->bio_cmd) { 1283 case BIO_READ: 1284 case BIO_WRITE: 1285 { 1286 uint64_t lba = bp->bio_pblkno; 1287 uint16_t count = bp->bio_bcount / softc->params.secsize; 1288 #ifdef ADA_TEST_FAILURE 1289 int fail = 0; 1290 1291 /* 1292 * Support the failure ioctls. If the command is a 1293 * read, and there are pending forced read errors, or 1294 * if a write and pending write errors, then fail this 1295 * operation with EIO. This is useful for testing 1296 * purposes. Also, support having every Nth read fail. 1297 * 1298 * This is a rather blunt tool. 1299 */ 1300 if (bp->bio_cmd == BIO_READ) { 1301 if (softc->force_read_error) { 1302 softc->force_read_error--; 1303 fail = 1; 1304 } 1305 if (softc->periodic_read_error > 0) { 1306 if (++softc->periodic_read_count >= 1307 softc->periodic_read_error) { 1308 softc->periodic_read_count = 0; 1309 fail = 1; 1310 } 1311 } 1312 } else { 1313 if (softc->force_write_error) { 1314 softc->force_write_error--; 1315 fail = 1; 1316 } 1317 } 1318 if (fail) { 1319 bp->bio_error = EIO; 1320 bp->bio_flags |= BIO_ERROR; 1321 biodone(bp); 1322 xpt_release_ccb(start_ccb); 1323 adaschedule(periph); 1324 return; 1325 } 1326 #endif 1327 cam_fill_ataio(ataio, 1328 ada_retry_count, 1329 adadone, 1330 bp->bio_cmd == BIO_READ ? 1331 CAM_DIR_IN : CAM_DIR_OUT, 1332 tag_code, 1333 bp->bio_data, 1334 bp->bio_bcount, 1335 ada_default_timeout*1000); 1336 1337 if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) { 1338 if (bp->bio_cmd == BIO_READ) { 1339 ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED, 1340 lba, count); 1341 } else { 1342 ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED, 1343 lba, count); 1344 } 1345 } else if ((softc->flags & ADA_FLAG_CAN_48BIT) && 1346 (lba + count >= ATA_MAX_28BIT_LBA || 1347 count > 256)) { 1348 if (softc->flags & ADA_FLAG_CAN_DMA) { 1349 if (bp->bio_cmd == BIO_READ) { 1350 ata_48bit_cmd(ataio, ATA_READ_DMA48, 1351 0, lba, count); 1352 } else { 1353 ata_48bit_cmd(ataio, ATA_WRITE_DMA48, 1354 0, lba, count); 1355 } 1356 } else { 1357 if (bp->bio_cmd == BIO_READ) { 1358 ata_48bit_cmd(ataio, ATA_READ_MUL48, 1359 0, lba, count); 1360 } else { 1361 ata_48bit_cmd(ataio, ATA_WRITE_MUL48, 1362 0, lba, count); 1363 } 1364 } 1365 } else { 1366 if (count == 256) 1367 count = 0; 1368 if (softc->flags & ADA_FLAG_CAN_DMA) { 1369 if (bp->bio_cmd == BIO_READ) { 1370 ata_28bit_cmd(ataio, ATA_READ_DMA, 1371 0, lba, count); 1372 } else { 1373 ata_28bit_cmd(ataio, ATA_WRITE_DMA, 1374 0, lba, count); 1375 } 1376 } else { 1377 if (bp->bio_cmd == BIO_READ) { 1378 ata_28bit_cmd(ataio, ATA_READ_MUL, 1379 0, lba, count); 1380 } else { 1381 ata_28bit_cmd(ataio, ATA_WRITE_MUL, 1382 0, lba, count); 1383 } 1384 } 1385 } 1386 break; 1387 } 1388 case BIO_DELETE: 1389 { 1390 uint64_t lba = bp->bio_pblkno; 1391 uint16_t count = bp->bio_bcount / softc->params.secsize; 1392 1393 cam_fill_ataio(ataio, 1394 ada_retry_count, 1395 adadone, 1396 CAM_DIR_NONE, 1397 0, 1398 NULL, 1399 0, 1400 ada_default_timeout*1000); 1401 1402 if (count >= 256) 1403 count = 0; 1404 ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count); 1405 break; 1406 } 1407 case BIO_FLUSH: 1408 cam_fill_ataio(ataio, 1409 1, 1410 adadone, 1411 CAM_DIR_NONE, 1412 0, 1413 NULL, 1414 0, 1415 ada_default_timeout*1000); 1416 1417 if (softc->flags & ADA_FLAG_CAN_48BIT) 1418 ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1419 else 1420 ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0); 1421 break; 1422 } 1423 start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO; 1424 out: 1425 start_ccb->ccb_h.ccb_bp = bp; 1426 softc->outstanding_cmds++; 1427 xpt_action(start_ccb); 1428 1429 /* May have more work to do, so ensure we stay scheduled */ 1430 adaschedule(periph); 1431 break; 1432 } 1433 case ADA_STATE_RAHEAD: 1434 case ADA_STATE_WCACHE: 1435 { 1436 if (softc->flags & ADA_FLAG_PACK_INVALID) { 1437 softc->state = ADA_STATE_NORMAL; 1438 xpt_release_ccb(start_ccb); 1439 cam_release_devq(periph->path, 1440 RELSIM_RELEASE_RUNLEVEL, 0, CAM_RL_DEV + 1, FALSE); 1441 adaschedule(periph); 1442 cam_periph_release_locked(periph); 1443 return; 1444 } 1445 1446 cam_fill_ataio(ataio, 1447 1, 1448 adadone, 1449 CAM_DIR_NONE, 1450 0, 1451 NULL, 1452 0, 1453 ada_default_timeout*1000); 1454 1455 if (softc->state == ADA_STATE_RAHEAD) { 1456 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ? 1457 ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0); 1458 start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD; 1459 } else { 1460 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ? 1461 ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0); 1462 start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE; 1463 } 1464 xpt_action(start_ccb); 1465 break; 1466 } 1467 } 1468 } 1469 1470 static void 1471 adadone(struct cam_periph *periph, union ccb *done_ccb) 1472 { 1473 struct ada_softc *softc; 1474 struct ccb_ataio *ataio; 1475 struct ccb_getdev *cgd; 1476 1477 softc = (struct ada_softc *)periph->softc; 1478 ataio = &done_ccb->ataio; 1479 1480 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adadone\n")); 1481 1482 switch (ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK) { 1483 case ADA_CCB_BUFFER_IO: 1484 case ADA_CCB_TRIM: 1485 { 1486 struct bio *bp; 1487 1488 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1489 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1490 int error; 1491 1492 error = adaerror(done_ccb, 0, 0); 1493 if (error == ERESTART) { 1494 /* A retry was scheduled, so just return. */ 1495 return; 1496 } 1497 if (error != 0) { 1498 if (error == ENXIO && 1499 (softc->flags & ADA_FLAG_PACK_INVALID) == 0) { 1500 /* 1501 * Catastrophic error. Mark our pack as 1502 * invalid. 1503 */ 1504 /* 1505 * XXX See if this is really a media 1506 * XXX change first? 1507 */ 1508 xpt_print(periph->path, 1509 "Invalidating pack\n"); 1510 softc->flags |= ADA_FLAG_PACK_INVALID; 1511 } 1512 bp->bio_error = error; 1513 bp->bio_resid = bp->bio_bcount; 1514 bp->bio_flags |= BIO_ERROR; 1515 } else { 1516 bp->bio_resid = ataio->resid; 1517 bp->bio_error = 0; 1518 if (bp->bio_resid != 0) 1519 bp->bio_flags |= BIO_ERROR; 1520 } 1521 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1522 cam_release_devq(done_ccb->ccb_h.path, 1523 /*relsim_flags*/0, 1524 /*reduction*/0, 1525 /*timeout*/0, 1526 /*getcount_only*/0); 1527 } else { 1528 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1529 panic("REQ_CMP with QFRZN"); 1530 bp->bio_resid = ataio->resid; 1531 if (ataio->resid > 0) 1532 bp->bio_flags |= BIO_ERROR; 1533 } 1534 softc->outstanding_cmds--; 1535 if (softc->outstanding_cmds == 0) 1536 softc->flags |= ADA_FLAG_WENT_IDLE; 1537 if ((ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK) == 1538 ADA_CCB_TRIM) { 1539 struct trim_request *req = 1540 (struct trim_request *)ataio->data_ptr; 1541 int i; 1542 1543 for (i = 1; i < TRIM_MAX_BIOS && req->bps[i]; i++) { 1544 struct bio *bp1 = req->bps[i]; 1545 1546 bp1->bio_resid = bp->bio_resid; 1547 bp1->bio_error = bp->bio_error; 1548 if (bp->bio_flags & BIO_ERROR) 1549 bp1->bio_flags |= BIO_ERROR; 1550 biodone(bp1); 1551 } 1552 softc->trim_running = 0; 1553 biodone(bp); 1554 adaschedule(periph); 1555 } else 1556 biodone(bp); 1557 break; 1558 } 1559 case ADA_CCB_RAHEAD: 1560 { 1561 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1562 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1563 return; 1564 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1565 cam_release_devq(done_ccb->ccb_h.path, 1566 /*relsim_flags*/0, 1567 /*reduction*/0, 1568 /*timeout*/0, 1569 /*getcount_only*/0); 1570 } 1571 } 1572 1573 /* 1574 * Since our peripheral may be invalidated by an error 1575 * above or an external event, we must release our CCB 1576 * before releasing the reference on the peripheral. 1577 * The peripheral will only go away once the last reference 1578 * is removed, and we need it around for the CCB release 1579 * operation. 1580 */ 1581 cgd = (struct ccb_getdev *)done_ccb; 1582 xpt_setup_ccb(&cgd->ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1583 cgd->ccb_h.func_code = XPT_GDEV_TYPE; 1584 xpt_action((union ccb *)cgd); 1585 if (ADA_WC >= 0 && 1586 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1587 softc->state = ADA_STATE_WCACHE; 1588 xpt_release_ccb(done_ccb); 1589 xpt_schedule(periph, CAM_PRIORITY_DEV); 1590 return; 1591 } 1592 softc->state = ADA_STATE_NORMAL; 1593 xpt_release_ccb(done_ccb); 1594 cam_release_devq(periph->path, 1595 RELSIM_RELEASE_RUNLEVEL, 0, CAM_RL_DEV + 1, FALSE); 1596 adaschedule(periph); 1597 cam_periph_release_locked(periph); 1598 return; 1599 } 1600 case ADA_CCB_WCACHE: 1601 { 1602 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1603 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1604 return; 1605 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1606 cam_release_devq(done_ccb->ccb_h.path, 1607 /*relsim_flags*/0, 1608 /*reduction*/0, 1609 /*timeout*/0, 1610 /*getcount_only*/0); 1611 } 1612 } 1613 1614 softc->state = ADA_STATE_NORMAL; 1615 /* 1616 * Since our peripheral may be invalidated by an error 1617 * above or an external event, we must release our CCB 1618 * before releasing the reference on the peripheral. 1619 * The peripheral will only go away once the last reference 1620 * is removed, and we need it around for the CCB release 1621 * operation. 1622 */ 1623 xpt_release_ccb(done_ccb); 1624 cam_release_devq(periph->path, 1625 RELSIM_RELEASE_RUNLEVEL, 0, CAM_RL_DEV + 1, FALSE); 1626 adaschedule(periph); 1627 cam_periph_release_locked(periph); 1628 return; 1629 } 1630 case ADA_CCB_WAITING: 1631 { 1632 /* Caller will release the CCB */ 1633 wakeup(&done_ccb->ccb_h.cbfcnp); 1634 return; 1635 } 1636 case ADA_CCB_DUMP: 1637 /* No-op. We're polling */ 1638 return; 1639 default: 1640 break; 1641 } 1642 xpt_release_ccb(done_ccb); 1643 } 1644 1645 static int 1646 adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1647 { 1648 1649 return(cam_periph_error(ccb, cam_flags, sense_flags, NULL)); 1650 } 1651 1652 static void 1653 adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd) 1654 { 1655 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1656 struct disk_params *dp = &softc->params; 1657 u_int64_t lbasize48; 1658 u_int32_t lbasize; 1659 1660 dp->secsize = ata_logical_sector_size(&cgd->ident_data); 1661 if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) && 1662 cgd->ident_data.current_heads && cgd->ident_data.current_sectors) { 1663 dp->heads = cgd->ident_data.current_heads; 1664 dp->secs_per_track = cgd->ident_data.current_sectors; 1665 dp->cylinders = cgd->ident_data.cylinders; 1666 dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 | 1667 ((u_int32_t)cgd->ident_data.current_size_2 << 16); 1668 } else { 1669 dp->heads = cgd->ident_data.heads; 1670 dp->secs_per_track = cgd->ident_data.sectors; 1671 dp->cylinders = cgd->ident_data.cylinders; 1672 dp->sectors = cgd->ident_data.cylinders * dp->heads * dp->secs_per_track; 1673 } 1674 lbasize = (u_int32_t)cgd->ident_data.lba_size_1 | 1675 ((u_int32_t)cgd->ident_data.lba_size_2 << 16); 1676 1677 /* use the 28bit LBA size if valid or bigger than the CHS mapping */ 1678 if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize) 1679 dp->sectors = lbasize; 1680 1681 /* use the 48bit LBA size if valid */ 1682 lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) | 1683 ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) | 1684 ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) | 1685 ((u_int64_t)cgd->ident_data.lba_size48_4 << 48); 1686 if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) && 1687 lbasize48 > ATA_MAX_28BIT_LBA) 1688 dp->sectors = lbasize48; 1689 } 1690 1691 static void 1692 adasendorderedtag(void *arg) 1693 { 1694 struct ada_softc *softc = arg; 1695 1696 if (ada_send_ordered) { 1697 if ((softc->ordered_tag_count == 0) 1698 && ((softc->flags & ADA_FLAG_WENT_IDLE) == 0)) { 1699 softc->flags |= ADA_FLAG_NEED_OTAG; 1700 } 1701 if (softc->outstanding_cmds > 0) 1702 softc->flags &= ~ADA_FLAG_WENT_IDLE; 1703 1704 softc->ordered_tag_count = 0; 1705 } 1706 /* Queue us up again */ 1707 callout_reset(&softc->sendordered_c, 1708 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1709 adasendorderedtag, softc); 1710 } 1711 1712 /* 1713 * Step through all ADA peripheral drivers, and if the device is still open, 1714 * sync the disk cache to physical media. 1715 */ 1716 static void 1717 adaflush(void) 1718 { 1719 struct cam_periph *periph; 1720 struct ada_softc *softc; 1721 int error; 1722 1723 TAILQ_FOREACH(periph, &adadriver.units, unit_links) { 1724 union ccb ccb; 1725 1726 /* If we paniced with lock held - not recurse here. */ 1727 if (cam_periph_owned(periph)) 1728 continue; 1729 cam_periph_lock(periph); 1730 softc = (struct ada_softc *)periph->softc; 1731 /* 1732 * We only sync the cache if the drive is still open, and 1733 * if the drive is capable of it.. 1734 */ 1735 if (((softc->flags & ADA_FLAG_OPEN) == 0) || 1736 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) { 1737 cam_periph_unlock(periph); 1738 continue; 1739 } 1740 1741 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1742 1743 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 1744 cam_fill_ataio(&ccb.ataio, 1745 0, 1746 adadone, 1747 CAM_DIR_NONE, 1748 0, 1749 NULL, 1750 0, 1751 ada_default_timeout*1000); 1752 1753 if (softc->flags & ADA_FLAG_CAN_48BIT) 1754 ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1755 else 1756 ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); 1757 xpt_polled_action(&ccb); 1758 1759 error = cam_periph_error(&ccb, 1760 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1761 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 1762 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 1763 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 1764 if (error != 0) 1765 xpt_print(periph->path, "Synchronize cache failed\n"); 1766 cam_periph_unlock(periph); 1767 } 1768 } 1769 1770 static void 1771 adaspindown(uint8_t cmd, int flags) 1772 { 1773 struct cam_periph *periph; 1774 struct ada_softc *softc; 1775 int error; 1776 1777 TAILQ_FOREACH(periph, &adadriver.units, unit_links) { 1778 union ccb ccb; 1779 1780 /* If we paniced with lock held - not recurse here. */ 1781 if (cam_periph_owned(periph)) 1782 continue; 1783 cam_periph_lock(periph); 1784 softc = (struct ada_softc *)periph->softc; 1785 /* 1786 * We only spin-down the drive if it is capable of it.. 1787 */ 1788 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 1789 cam_periph_unlock(periph); 1790 continue; 1791 } 1792 1793 if (bootverbose) 1794 xpt_print(periph->path, "spin-down\n"); 1795 1796 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1797 1798 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 1799 cam_fill_ataio(&ccb.ataio, 1800 0, 1801 adadone, 1802 CAM_DIR_NONE | flags, 1803 0, 1804 NULL, 1805 0, 1806 ada_default_timeout*1000); 1807 1808 ata_28bit_cmd(&ccb.ataio, cmd, 0, 0, 0); 1809 xpt_polled_action(&ccb); 1810 1811 error = cam_periph_error(&ccb, 1812 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1813 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 1814 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 1815 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 1816 if (error != 0) 1817 xpt_print(periph->path, "Spin-down disk failed\n"); 1818 cam_periph_unlock(periph); 1819 } 1820 } 1821 1822 static void 1823 adashutdown(void *arg, int howto) 1824 { 1825 1826 adaflush(); 1827 if (ada_spindown_shutdown != 0 && 1828 (howto & (RB_HALT | RB_POWEROFF)) != 0) 1829 adaspindown(ATA_STANDBY_IMMEDIATE, 0); 1830 } 1831 1832 static void 1833 adasuspend(void *arg) 1834 { 1835 1836 adaflush(); 1837 if (ada_spindown_suspend != 0) 1838 adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE); 1839 } 1840 1841 static void 1842 adaresume(void *arg) 1843 { 1844 struct cam_periph *periph; 1845 struct ada_softc *softc; 1846 1847 if (ada_spindown_suspend == 0) 1848 return; 1849 1850 TAILQ_FOREACH(periph, &adadriver.units, unit_links) { 1851 cam_periph_lock(periph); 1852 softc = (struct ada_softc *)periph->softc; 1853 /* 1854 * We only spin-down the drive if it is capable of it.. 1855 */ 1856 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 1857 cam_periph_unlock(periph); 1858 continue; 1859 } 1860 1861 if (bootverbose) 1862 xpt_print(periph->path, "resume\n"); 1863 1864 /* 1865 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on 1866 * sleep request. 1867 */ 1868 cam_release_devq(periph->path, 1869 /*relsim_flags*/0, 1870 /*openings*/0, 1871 /*timeout*/0, 1872 /*getcount_only*/0); 1873 1874 cam_periph_unlock(periph); 1875 } 1876 } 1877 1878 #endif /* _KERNEL */ 1879