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 <sys/param.h> 31 32 #ifdef _KERNEL 33 #include <sys/systm.h> 34 #include <sys/kernel.h> 35 #include <sys/bio.h> 36 #include <sys/sysctl.h> 37 #include <sys/taskqueue.h> 38 #include <sys/lock.h> 39 #include <sys/mutex.h> 40 #include <sys/conf.h> 41 #include <sys/devicestat.h> 42 #include <sys/eventhandler.h> 43 #include <sys/malloc.h> 44 #include <sys/cons.h> 45 #include <sys/reboot.h> 46 #include <geom/geom_disk.h> 47 #endif /* _KERNEL */ 48 49 #ifndef _KERNEL 50 #include <stdio.h> 51 #include <string.h> 52 #endif /* _KERNEL */ 53 54 #include <cam/cam.h> 55 #include <cam/cam_ccb.h> 56 #include <cam/cam_periph.h> 57 #include <cam/cam_xpt_periph.h> 58 #include <cam/cam_sim.h> 59 60 #include <cam/ata/ata_all.h> 61 62 #include <machine/md_var.h> /* geometry translation */ 63 64 #ifdef _KERNEL 65 66 #define ATA_MAX_28BIT_LBA 268435455UL 67 68 typedef enum { 69 ADA_STATE_NORMAL 70 } ada_state; 71 72 typedef enum { 73 ADA_FLAG_PACK_INVALID = 0x001, 74 ADA_FLAG_CAN_48BIT = 0x002, 75 ADA_FLAG_CAN_FLUSHCACHE = 0x004, 76 ADA_FLAG_CAN_NCQ = 0x008, 77 ADA_FLAG_CAN_DMA = 0x010, 78 ADA_FLAG_NEED_OTAG = 0x020, 79 ADA_FLAG_WENT_IDLE = 0x040, 80 ADA_FLAG_CAN_TRIM = 0x080, 81 ADA_FLAG_OPEN = 0x100, 82 ADA_FLAG_SCTX_INIT = 0x200, 83 ADA_FLAG_CAN_CFA = 0x400, 84 ADA_FLAG_CAN_POWERMGT = 0x800 85 } ada_flags; 86 87 typedef enum { 88 ADA_Q_NONE = 0x00 89 } ada_quirks; 90 91 typedef enum { 92 ADA_CCB_BUFFER_IO = 0x03, 93 ADA_CCB_WAITING = 0x04, 94 ADA_CCB_DUMP = 0x05, 95 ADA_CCB_TRIM = 0x06, 96 ADA_CCB_TYPE_MASK = 0x0F, 97 } ada_ccb_state; 98 99 /* Offsets into our private area for storing information */ 100 #define ccb_state ppriv_field0 101 #define ccb_bp ppriv_ptr1 102 103 struct disk_params { 104 u_int8_t heads; 105 u_int8_t secs_per_track; 106 u_int32_t cylinders; 107 u_int32_t secsize; /* Number of bytes/logical sector */ 108 u_int64_t sectors; /* Total number sectors */ 109 }; 110 111 #define TRIM_MAX_BLOCKS 4 112 #define TRIM_MAX_RANGES TRIM_MAX_BLOCKS * 64 113 struct trim_request { 114 uint8_t data[TRIM_MAX_RANGES * 8]; 115 struct bio *bps[TRIM_MAX_RANGES]; 116 }; 117 118 struct ada_softc { 119 struct bio_queue_head bio_queue; 120 struct bio_queue_head trim_queue; 121 ada_state state; 122 ada_flags flags; 123 ada_quirks quirks; 124 int ordered_tag_count; 125 int outstanding_cmds; 126 int trim_max_ranges; 127 int trim_running; 128 struct disk_params params; 129 struct disk *disk; 130 struct task sysctl_task; 131 struct sysctl_ctx_list sysctl_ctx; 132 struct sysctl_oid *sysctl_tree; 133 struct callout sendordered_c; 134 struct trim_request trim_req; 135 }; 136 137 struct ada_quirk_entry { 138 struct scsi_inquiry_pattern inq_pat; 139 ada_quirks quirks; 140 }; 141 142 static struct ada_quirk_entry ada_quirk_table[] = 143 { 144 { 145 /* Default */ 146 { 147 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 148 /*vendor*/"*", /*product*/"*", /*revision*/"*" 149 }, 150 /*quirks*/0 151 }, 152 }; 153 154 static disk_strategy_t adastrategy; 155 static dumper_t adadump; 156 static periph_init_t adainit; 157 static void adaasync(void *callback_arg, u_int32_t code, 158 struct cam_path *path, void *arg); 159 static void adasysctlinit(void *context, int pending); 160 static periph_ctor_t adaregister; 161 static periph_dtor_t adacleanup; 162 static periph_start_t adastart; 163 static periph_oninv_t adaoninvalidate; 164 static void adadone(struct cam_periph *periph, 165 union ccb *done_ccb); 166 static int adaerror(union ccb *ccb, u_int32_t cam_flags, 167 u_int32_t sense_flags); 168 static void adagetparams(struct cam_periph *periph, 169 struct ccb_getdev *cgd); 170 static timeout_t adasendorderedtag; 171 static void adashutdown(void *arg, int howto); 172 173 #ifndef ADA_DEFAULT_TIMEOUT 174 #define ADA_DEFAULT_TIMEOUT 30 /* Timeout in seconds */ 175 #endif 176 177 #ifndef ADA_DEFAULT_RETRY 178 #define ADA_DEFAULT_RETRY 4 179 #endif 180 181 #ifndef ADA_DEFAULT_SEND_ORDERED 182 #define ADA_DEFAULT_SEND_ORDERED 1 183 #endif 184 185 #ifndef ADA_DEFAULT_SPINDOWN_SHUTDOWN 186 #define ADA_DEFAULT_SPINDOWN_SHUTDOWN 1 187 #endif 188 189 /* 190 * Most platforms map firmware geometry to actual, but some don't. If 191 * not overridden, default to nothing. 192 */ 193 #ifndef ata_disk_firmware_geom_adjust 194 #define ata_disk_firmware_geom_adjust(disk) 195 #endif 196 197 static int ada_retry_count = ADA_DEFAULT_RETRY; 198 static int ada_default_timeout = ADA_DEFAULT_TIMEOUT; 199 static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED; 200 static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN; 201 202 SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD, 0, 203 "CAM Direct Access Disk driver"); 204 SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RW, 205 &ada_retry_count, 0, "Normal I/O retry count"); 206 TUNABLE_INT("kern.cam.ada.retry_count", &ada_retry_count); 207 SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RW, 208 &ada_default_timeout, 0, "Normal I/O timeout (in seconds)"); 209 TUNABLE_INT("kern.cam.ada.default_timeout", &ada_default_timeout); 210 SYSCTL_INT(_kern_cam_ada, OID_AUTO, ada_send_ordered, CTLFLAG_RW, 211 &ada_send_ordered, 0, "Send Ordered Tags"); 212 TUNABLE_INT("kern.cam.ada.ada_send_ordered", &ada_send_ordered); 213 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RW, 214 &ada_spindown_shutdown, 0, "Spin down upon shutdown"); 215 TUNABLE_INT("kern.cam.ada.spindown_shutdown", &ada_spindown_shutdown); 216 217 /* 218 * ADA_ORDEREDTAG_INTERVAL determines how often, relative 219 * to the default timeout, we check to see whether an ordered 220 * tagged transaction is appropriate to prevent simple tag 221 * starvation. Since we'd like to ensure that there is at least 222 * 1/2 of the timeout length left for a starved transaction to 223 * complete after we've sent an ordered tag, we must poll at least 224 * four times in every timeout period. This takes care of the worst 225 * case where a starved transaction starts during an interval that 226 * meets the requirement "don't send an ordered tag" test so it takes 227 * us two intervals to determine that a tag must be sent. 228 */ 229 #ifndef ADA_ORDEREDTAG_INTERVAL 230 #define ADA_ORDEREDTAG_INTERVAL 4 231 #endif 232 233 static struct periph_driver adadriver = 234 { 235 adainit, "ada", 236 TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0 237 }; 238 239 PERIPHDRIVER_DECLARE(ada, adadriver); 240 241 MALLOC_DEFINE(M_ATADA, "ata_da", "ata_da buffers"); 242 243 static int 244 adaopen(struct disk *dp) 245 { 246 struct cam_periph *periph; 247 struct ada_softc *softc; 248 int unit; 249 int error; 250 251 periph = (struct cam_periph *)dp->d_drv1; 252 if (periph == NULL) { 253 return (ENXIO); 254 } 255 256 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 257 return(ENXIO); 258 } 259 260 cam_periph_lock(periph); 261 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 262 cam_periph_unlock(periph); 263 cam_periph_release(periph); 264 return (error); 265 } 266 267 unit = periph->unit_number; 268 softc = (struct ada_softc *)periph->softc; 269 softc->flags |= ADA_FLAG_OPEN; 270 271 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, 272 ("adaopen: disk=%s%d (unit %d)\n", dp->d_name, dp->d_unit, 273 unit)); 274 275 if ((softc->flags & ADA_FLAG_PACK_INVALID) != 0) { 276 /* Invalidate our pack information. */ 277 softc->flags &= ~ADA_FLAG_PACK_INVALID; 278 } 279 280 cam_periph_unhold(periph); 281 cam_periph_unlock(periph); 282 return (0); 283 } 284 285 static int 286 adaclose(struct disk *dp) 287 { 288 struct cam_periph *periph; 289 struct ada_softc *softc; 290 union ccb *ccb; 291 int error; 292 293 periph = (struct cam_periph *)dp->d_drv1; 294 if (periph == NULL) 295 return (ENXIO); 296 297 cam_periph_lock(periph); 298 if ((error = cam_periph_hold(periph, PRIBIO)) != 0) { 299 cam_periph_unlock(periph); 300 cam_periph_release(periph); 301 return (error); 302 } 303 304 softc = (struct ada_softc *)periph->softc; 305 /* We only sync the cache if the drive is capable of it. */ 306 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { 307 308 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 309 cam_fill_ataio(&ccb->ataio, 310 1, 311 adadone, 312 CAM_DIR_NONE, 313 0, 314 NULL, 315 0, 316 ada_default_timeout*1000); 317 318 if (softc->flags & ADA_FLAG_CAN_48BIT) 319 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 320 else 321 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 322 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0, 323 /*sense_flags*/0, softc->disk->d_devstat); 324 325 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 326 xpt_print(periph->path, "Synchronize cache failed\n"); 327 328 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 329 cam_release_devq(ccb->ccb_h.path, 330 /*relsim_flags*/0, 331 /*reduction*/0, 332 /*timeout*/0, 333 /*getcount_only*/0); 334 xpt_release_ccb(ccb); 335 } 336 337 softc->flags &= ~ADA_FLAG_OPEN; 338 cam_periph_unhold(periph); 339 cam_periph_unlock(periph); 340 cam_periph_release(periph); 341 return (0); 342 } 343 344 static void 345 adaschedule(struct cam_periph *periph) 346 { 347 struct ada_softc *softc = (struct ada_softc *)periph->softc; 348 349 if (bioq_first(&softc->bio_queue) || 350 (!softc->trim_running && bioq_first(&softc->trim_queue))) { 351 /* Have more work to do, so ensure we stay scheduled */ 352 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 353 } 354 } 355 356 /* 357 * Actually translate the requested transfer into one the physical driver 358 * can understand. The transfer is described by a buf and will include 359 * only one physical transfer. 360 */ 361 static void 362 adastrategy(struct bio *bp) 363 { 364 struct cam_periph *periph; 365 struct ada_softc *softc; 366 367 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 368 if (periph == NULL) { 369 biofinish(bp, NULL, ENXIO); 370 return; 371 } 372 softc = (struct ada_softc *)periph->softc; 373 374 cam_periph_lock(periph); 375 376 /* 377 * If the device has been made invalid, error out 378 */ 379 if ((softc->flags & ADA_FLAG_PACK_INVALID)) { 380 cam_periph_unlock(periph); 381 biofinish(bp, NULL, ENXIO); 382 return; 383 } 384 385 /* 386 * Place it in the queue of disk activities for this disk 387 */ 388 if (bp->bio_cmd == BIO_DELETE && 389 (softc->flags & ADA_FLAG_CAN_TRIM)) 390 bioq_disksort(&softc->trim_queue, bp); 391 else 392 bioq_disksort(&softc->bio_queue, bp); 393 394 /* 395 * Schedule ourselves for performing the work. 396 */ 397 adaschedule(periph); 398 cam_periph_unlock(periph); 399 400 return; 401 } 402 403 static int 404 adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 405 { 406 struct cam_periph *periph; 407 struct ada_softc *softc; 408 u_int secsize; 409 union ccb ccb; 410 struct disk *dp; 411 uint64_t lba; 412 uint16_t count; 413 414 dp = arg; 415 periph = dp->d_drv1; 416 if (periph == NULL) 417 return (ENXIO); 418 softc = (struct ada_softc *)periph->softc; 419 cam_periph_lock(periph); 420 secsize = softc->params.secsize; 421 lba = offset / secsize; 422 count = length / secsize; 423 424 if ((softc->flags & ADA_FLAG_PACK_INVALID) != 0) { 425 cam_periph_unlock(periph); 426 return (ENXIO); 427 } 428 429 if (length > 0) { 430 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 431 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 432 cam_fill_ataio(&ccb.ataio, 433 0, 434 adadone, 435 CAM_DIR_OUT, 436 0, 437 (u_int8_t *) virtual, 438 length, 439 ada_default_timeout*1000); 440 if ((softc->flags & ADA_FLAG_CAN_48BIT) && 441 (lba + count >= ATA_MAX_28BIT_LBA || 442 count >= 256)) { 443 ata_48bit_cmd(&ccb.ataio, ATA_WRITE_DMA48, 444 0, lba, count); 445 } else { 446 ata_28bit_cmd(&ccb.ataio, ATA_WRITE_DMA, 447 0, lba, count); 448 } 449 xpt_polled_action(&ccb); 450 451 if ((ccb.ataio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 452 printf("Aborting dump due to I/O error.\n"); 453 cam_periph_unlock(periph); 454 return(EIO); 455 } 456 cam_periph_unlock(periph); 457 return(0); 458 } 459 460 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { 461 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 462 463 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 464 cam_fill_ataio(&ccb.ataio, 465 1, 466 adadone, 467 CAM_DIR_NONE, 468 0, 469 NULL, 470 0, 471 ada_default_timeout*1000); 472 473 if (softc->flags & ADA_FLAG_CAN_48BIT) 474 ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); 475 else 476 ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); 477 xpt_polled_action(&ccb); 478 479 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 480 xpt_print(periph->path, "Synchronize cache failed\n"); 481 482 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 483 cam_release_devq(ccb.ccb_h.path, 484 /*relsim_flags*/0, 485 /*reduction*/0, 486 /*timeout*/0, 487 /*getcount_only*/0); 488 } 489 cam_periph_unlock(periph); 490 return (0); 491 } 492 493 static void 494 adainit(void) 495 { 496 cam_status status; 497 498 /* 499 * Install a global async callback. This callback will 500 * receive async callbacks like "new device found". 501 */ 502 status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL); 503 504 if (status != CAM_REQ_CMP) { 505 printf("ada: Failed to attach master async callback " 506 "due to status 0x%x!\n", status); 507 } else if (ada_send_ordered) { 508 509 /* Register our shutdown event handler */ 510 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown, 511 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 512 printf("adainit: shutdown event registration failed!\n"); 513 } 514 } 515 516 static void 517 adaoninvalidate(struct cam_periph *periph) 518 { 519 struct ada_softc *softc; 520 521 softc = (struct ada_softc *)periph->softc; 522 523 /* 524 * De-register any async callbacks. 525 */ 526 xpt_register_async(0, adaasync, periph, periph->path); 527 528 softc->flags |= ADA_FLAG_PACK_INVALID; 529 530 /* 531 * Return all queued I/O with ENXIO. 532 * XXX Handle any transactions queued to the card 533 * with XPT_ABORT_CCB. 534 */ 535 bioq_flush(&softc->bio_queue, NULL, ENXIO); 536 bioq_flush(&softc->trim_queue, NULL, ENXIO); 537 538 disk_gone(softc->disk); 539 xpt_print(periph->path, "lost device\n"); 540 } 541 542 static void 543 adacleanup(struct cam_periph *periph) 544 { 545 struct ada_softc *softc; 546 547 softc = (struct ada_softc *)periph->softc; 548 549 xpt_print(periph->path, "removing device entry\n"); 550 cam_periph_unlock(periph); 551 552 /* 553 * If we can't free the sysctl tree, oh well... 554 */ 555 if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0 556 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 557 xpt_print(periph->path, "can't remove sysctl context\n"); 558 } 559 560 disk_destroy(softc->disk); 561 callout_drain(&softc->sendordered_c); 562 free(softc, M_DEVBUF); 563 cam_periph_lock(periph); 564 } 565 566 static void 567 adaasync(void *callback_arg, u_int32_t code, 568 struct cam_path *path, void *arg) 569 { 570 struct cam_periph *periph; 571 572 periph = (struct cam_periph *)callback_arg; 573 switch (code) { 574 case AC_FOUND_DEVICE: 575 { 576 struct ccb_getdev *cgd; 577 cam_status status; 578 579 cgd = (struct ccb_getdev *)arg; 580 if (cgd == NULL) 581 break; 582 583 if (cgd->protocol != PROTO_ATA) 584 break; 585 586 /* 587 * Allocate a peripheral instance for 588 * this device and start the probe 589 * process. 590 */ 591 status = cam_periph_alloc(adaregister, adaoninvalidate, 592 adacleanup, adastart, 593 "ada", CAM_PERIPH_BIO, 594 cgd->ccb_h.path, adaasync, 595 AC_FOUND_DEVICE, cgd); 596 597 if (status != CAM_REQ_CMP 598 && status != CAM_REQ_INPROG) 599 printf("adaasync: Unable to attach to new device " 600 "due to status 0x%x\n", status); 601 break; 602 } 603 default: 604 cam_periph_async(periph, code, path, arg); 605 break; 606 } 607 } 608 609 static void 610 adasysctlinit(void *context, int pending) 611 { 612 struct cam_periph *periph; 613 struct ada_softc *softc; 614 char tmpstr[80], tmpstr2[80]; 615 616 periph = (struct cam_periph *)context; 617 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 618 return; 619 620 softc = (struct ada_softc *)periph->softc; 621 snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d", periph->unit_number); 622 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 623 624 sysctl_ctx_init(&softc->sysctl_ctx); 625 softc->flags |= ADA_FLAG_SCTX_INIT; 626 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 627 SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2, 628 CTLFLAG_RD, 0, tmpstr); 629 if (softc->sysctl_tree == NULL) { 630 printf("adasysctlinit: unable to allocate sysctl tree\n"); 631 cam_periph_release(periph); 632 return; 633 } 634 635 cam_periph_release(periph); 636 } 637 638 static cam_status 639 adaregister(struct cam_periph *periph, void *arg) 640 { 641 struct ada_softc *softc; 642 struct ccb_pathinq cpi; 643 struct ccb_getdev *cgd; 644 char announce_buf[80]; 645 struct disk_params *dp; 646 caddr_t match; 647 u_int maxio; 648 649 cgd = (struct ccb_getdev *)arg; 650 if (periph == NULL) { 651 printf("adaregister: periph was NULL!!\n"); 652 return(CAM_REQ_CMP_ERR); 653 } 654 655 if (cgd == NULL) { 656 printf("adaregister: no getdev CCB, can't register device\n"); 657 return(CAM_REQ_CMP_ERR); 658 } 659 660 softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF, 661 M_NOWAIT|M_ZERO); 662 663 if (softc == NULL) { 664 printf("adaregister: Unable to probe new device. " 665 "Unable to allocate softc\n"); 666 return(CAM_REQ_CMP_ERR); 667 } 668 669 bioq_init(&softc->bio_queue); 670 bioq_init(&softc->trim_queue); 671 672 if (cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) 673 softc->flags |= ADA_FLAG_CAN_DMA; 674 if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) 675 softc->flags |= ADA_FLAG_CAN_48BIT; 676 if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE) 677 softc->flags |= ADA_FLAG_CAN_FLUSHCACHE; 678 if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT) 679 softc->flags |= ADA_FLAG_CAN_POWERMGT; 680 if (cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ && 681 cgd->inq_flags & SID_CmdQue) 682 softc->flags |= ADA_FLAG_CAN_NCQ; 683 if (cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) { 684 softc->flags |= ADA_FLAG_CAN_TRIM; 685 softc->trim_max_ranges = TRIM_MAX_RANGES; 686 if (cgd->ident_data.max_dsm_blocks != 0) { 687 softc->trim_max_ranges = 688 min(cgd->ident_data.max_dsm_blocks * 64, 689 softc->trim_max_ranges); 690 } 691 } 692 if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA) 693 softc->flags |= ADA_FLAG_CAN_CFA; 694 softc->state = ADA_STATE_NORMAL; 695 696 periph->softc = softc; 697 698 /* 699 * See if this device has any quirks. 700 */ 701 match = cam_quirkmatch((caddr_t)&cgd->ident_data, 702 (caddr_t)ada_quirk_table, 703 sizeof(ada_quirk_table)/sizeof(*ada_quirk_table), 704 sizeof(*ada_quirk_table), ata_identify_match); 705 if (match != NULL) 706 softc->quirks = ((struct ada_quirk_entry *)match)->quirks; 707 else 708 softc->quirks = ADA_Q_NONE; 709 710 bzero(&cpi, sizeof(cpi)); 711 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 712 cpi.ccb_h.func_code = XPT_PATH_INQ; 713 xpt_action((union ccb *)&cpi); 714 715 TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph); 716 717 /* 718 * Register this media as a disk 719 */ 720 mtx_unlock(periph->sim->mtx); 721 adagetparams(periph, cgd); 722 softc->disk = disk_alloc(); 723 softc->disk->d_open = adaopen; 724 softc->disk->d_close = adaclose; 725 softc->disk->d_strategy = adastrategy; 726 softc->disk->d_dump = adadump; 727 softc->disk->d_name = "ada"; 728 softc->disk->d_drv1 = periph; 729 maxio = cpi.maxio; /* Honor max I/O size of SIM */ 730 if (maxio == 0) 731 maxio = DFLTPHYS; /* traditional default */ 732 else if (maxio > MAXPHYS) 733 maxio = MAXPHYS; /* for safety */ 734 if (softc->flags & ADA_FLAG_CAN_48BIT) 735 maxio = min(maxio, 65536 * softc->params.secsize); 736 else /* 28bit ATA command limit */ 737 maxio = min(maxio, 256 * softc->params.secsize); 738 softc->disk->d_maxsize = maxio; 739 softc->disk->d_unit = periph->unit_number; 740 softc->disk->d_flags = 0; 741 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) 742 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 743 if ((softc->flags & ADA_FLAG_CAN_TRIM) || 744 ((softc->flags & ADA_FLAG_CAN_CFA) && 745 !(softc->flags & ADA_FLAG_CAN_48BIT))) 746 softc->disk->d_flags |= DISKFLAG_CANDELETE; 747 strlcpy(softc->disk->d_ident, cgd->serial_num, 748 MIN(sizeof(softc->disk->d_ident), cgd->serial_num_len + 1)); 749 strlcpy(softc->disk->d_descr, cgd->ident_data.model, 750 MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model))); 751 softc->disk->d_hba_vendor = cpi.hba_vendor; 752 softc->disk->d_hba_device = cpi.hba_device; 753 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 754 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 755 756 softc->disk->d_sectorsize = softc->params.secsize; 757 softc->disk->d_mediasize = (off_t)softc->params.sectors * 758 softc->params.secsize; 759 if (ata_physical_sector_size(&cgd->ident_data) != 760 softc->params.secsize) { 761 softc->disk->d_stripesize = 762 ata_physical_sector_size(&cgd->ident_data); 763 softc->disk->d_stripeoffset = (softc->disk->d_stripesize - 764 ata_logical_sector_offset(&cgd->ident_data)) % 765 softc->disk->d_stripesize; 766 } 767 softc->disk->d_fwsectors = softc->params.secs_per_track; 768 softc->disk->d_fwheads = softc->params.heads; 769 ata_disk_firmware_geom_adjust(softc->disk); 770 771 disk_create(softc->disk, DISK_VERSION); 772 mtx_lock(periph->sim->mtx); 773 774 dp = &softc->params; 775 snprintf(announce_buf, sizeof(announce_buf), 776 "%juMB (%ju %u byte sectors: %dH %dS/T %dC)", 777 (uintmax_t)(((uintmax_t)dp->secsize * 778 dp->sectors) / (1024*1024)), 779 (uintmax_t)dp->sectors, 780 dp->secsize, dp->heads, 781 dp->secs_per_track, dp->cylinders); 782 xpt_announce_periph(periph, announce_buf); 783 /* 784 * Add async callbacks for bus reset and 785 * bus device reset calls. I don't bother 786 * checking if this fails as, in most cases, 787 * the system will function just fine without 788 * them and the only alternative would be to 789 * not attach the device on failure. 790 */ 791 xpt_register_async(AC_LOST_DEVICE, 792 adaasync, periph, periph->path); 793 794 /* 795 * Schedule a periodic event to occasionally send an 796 * ordered tag to a device. 797 */ 798 callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0); 799 callout_reset(&softc->sendordered_c, 800 (ADA_DEFAULT_TIMEOUT * hz) / ADA_ORDEREDTAG_INTERVAL, 801 adasendorderedtag, softc); 802 803 return(CAM_REQ_CMP); 804 } 805 806 static void 807 adastart(struct cam_periph *periph, union ccb *start_ccb) 808 { 809 struct ada_softc *softc = (struct ada_softc *)periph->softc; 810 struct ccb_ataio *ataio = &start_ccb->ataio; 811 812 switch (softc->state) { 813 case ADA_STATE_NORMAL: 814 { 815 struct bio *bp; 816 u_int8_t tag_code; 817 818 /* Execute immediate CCB if waiting. */ 819 if (periph->immediate_priority <= periph->pinfo.priority) { 820 CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE, 821 ("queuing for immediate ccb\n")); 822 start_ccb->ccb_h.ccb_state = ADA_CCB_WAITING; 823 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 824 periph_links.sle); 825 periph->immediate_priority = CAM_PRIORITY_NONE; 826 wakeup(&periph->ccb_list); 827 /* Have more work to do, so ensure we stay scheduled */ 828 adaschedule(periph); 829 break; 830 } 831 /* Run TRIM if not running yet. */ 832 if (!softc->trim_running && 833 (bp = bioq_first(&softc->trim_queue)) != 0) { 834 struct trim_request *req = &softc->trim_req; 835 struct bio *bp1; 836 int bps = 0, ranges = 0; 837 838 softc->trim_running = 1; 839 bzero(req, sizeof(*req)); 840 bp1 = bp; 841 do { 842 uint64_t lba = bp1->bio_pblkno; 843 int count = bp1->bio_bcount / 844 softc->params.secsize; 845 846 bioq_remove(&softc->trim_queue, bp1); 847 while (count > 0) { 848 int c = min(count, 0xffff); 849 int off = ranges * 8; 850 851 req->data[off + 0] = lba & 0xff; 852 req->data[off + 1] = (lba >> 8) & 0xff; 853 req->data[off + 2] = (lba >> 16) & 0xff; 854 req->data[off + 3] = (lba >> 24) & 0xff; 855 req->data[off + 4] = (lba >> 32) & 0xff; 856 req->data[off + 5] = (lba >> 40) & 0xff; 857 req->data[off + 6] = c & 0xff; 858 req->data[off + 7] = (c >> 8) & 0xff; 859 lba += c; 860 count -= c; 861 ranges++; 862 } 863 req->bps[bps++] = bp1; 864 bp1 = bioq_first(&softc->trim_queue); 865 if (bp1 == NULL || 866 bp1->bio_bcount / softc->params.secsize > 867 (softc->trim_max_ranges - ranges) * 0xffff) 868 break; 869 } while (1); 870 cam_fill_ataio(ataio, 871 ada_retry_count, 872 adadone, 873 CAM_DIR_OUT, 874 0, 875 req->data, 876 ((ranges + 63) / 64) * 512, 877 ada_default_timeout * 1000); 878 ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT, 879 ATA_DSM_TRIM, 0, (ranges + 63) / 64); 880 start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM; 881 goto out; 882 } 883 /* Run regular command. */ 884 bp = bioq_first(&softc->bio_queue); 885 if (bp == NULL) { 886 xpt_release_ccb(start_ccb); 887 break; 888 } 889 bioq_remove(&softc->bio_queue, bp); 890 891 if ((bp->bio_flags & BIO_ORDERED) != 0 892 || (softc->flags & ADA_FLAG_NEED_OTAG) != 0) { 893 softc->flags &= ~ADA_FLAG_NEED_OTAG; 894 softc->ordered_tag_count++; 895 tag_code = 0; 896 } else { 897 tag_code = 1; 898 } 899 switch (bp->bio_cmd) { 900 case BIO_READ: 901 case BIO_WRITE: 902 { 903 uint64_t lba = bp->bio_pblkno; 904 uint16_t count = bp->bio_bcount / softc->params.secsize; 905 906 cam_fill_ataio(ataio, 907 ada_retry_count, 908 adadone, 909 bp->bio_cmd == BIO_READ ? 910 CAM_DIR_IN : CAM_DIR_OUT, 911 tag_code, 912 bp->bio_data, 913 bp->bio_bcount, 914 ada_default_timeout*1000); 915 916 if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) { 917 if (bp->bio_cmd == BIO_READ) { 918 ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED, 919 lba, count); 920 } else { 921 ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED, 922 lba, count); 923 } 924 } else if ((softc->flags & ADA_FLAG_CAN_48BIT) && 925 (lba + count >= ATA_MAX_28BIT_LBA || 926 count > 256)) { 927 if (softc->flags & ADA_FLAG_CAN_DMA) { 928 if (bp->bio_cmd == BIO_READ) { 929 ata_48bit_cmd(ataio, ATA_READ_DMA48, 930 0, lba, count); 931 } else { 932 ata_48bit_cmd(ataio, ATA_WRITE_DMA48, 933 0, lba, count); 934 } 935 } else { 936 if (bp->bio_cmd == BIO_READ) { 937 ata_48bit_cmd(ataio, ATA_READ_MUL48, 938 0, lba, count); 939 } else { 940 ata_48bit_cmd(ataio, ATA_WRITE_MUL48, 941 0, lba, count); 942 } 943 } 944 } else { 945 if (count == 256) 946 count = 0; 947 if (softc->flags & ADA_FLAG_CAN_DMA) { 948 if (bp->bio_cmd == BIO_READ) { 949 ata_28bit_cmd(ataio, ATA_READ_DMA, 950 0, lba, count); 951 } else { 952 ata_28bit_cmd(ataio, ATA_WRITE_DMA, 953 0, lba, count); 954 } 955 } else { 956 if (bp->bio_cmd == BIO_READ) { 957 ata_28bit_cmd(ataio, ATA_READ_MUL, 958 0, lba, count); 959 } else { 960 ata_28bit_cmd(ataio, ATA_WRITE_MUL, 961 0, lba, count); 962 } 963 } 964 } 965 break; 966 } 967 case BIO_DELETE: 968 { 969 uint64_t lba = bp->bio_pblkno; 970 uint16_t count = bp->bio_bcount / softc->params.secsize; 971 972 cam_fill_ataio(ataio, 973 ada_retry_count, 974 adadone, 975 CAM_DIR_NONE, 976 0, 977 NULL, 978 0, 979 ada_default_timeout*1000); 980 981 if (count >= 256) 982 count = 0; 983 ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count); 984 break; 985 } 986 case BIO_FLUSH: 987 cam_fill_ataio(ataio, 988 1, 989 adadone, 990 CAM_DIR_NONE, 991 0, 992 NULL, 993 0, 994 ada_default_timeout*1000); 995 996 if (softc->flags & ADA_FLAG_CAN_48BIT) 997 ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0); 998 else 999 ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0); 1000 break; 1001 } 1002 start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO; 1003 out: 1004 start_ccb->ccb_h.ccb_bp = bp; 1005 softc->outstanding_cmds++; 1006 xpt_action(start_ccb); 1007 1008 /* May have more work to do, so ensure we stay scheduled */ 1009 adaschedule(periph); 1010 break; 1011 } 1012 } 1013 } 1014 1015 static void 1016 adadone(struct cam_periph *periph, union ccb *done_ccb) 1017 { 1018 struct ada_softc *softc; 1019 struct ccb_ataio *ataio; 1020 1021 softc = (struct ada_softc *)periph->softc; 1022 ataio = &done_ccb->ataio; 1023 switch (ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK) { 1024 case ADA_CCB_BUFFER_IO: 1025 case ADA_CCB_TRIM: 1026 { 1027 struct bio *bp; 1028 1029 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1030 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1031 int error; 1032 1033 error = adaerror(done_ccb, 0, 0); 1034 if (error == ERESTART) { 1035 /* A retry was scheduled, so just return. */ 1036 return; 1037 } 1038 if (error != 0) { 1039 if (error == ENXIO) { 1040 /* 1041 * Catastrophic error. Mark our pack as 1042 * invalid. 1043 */ 1044 /* 1045 * XXX See if this is really a media 1046 * XXX change first? 1047 */ 1048 xpt_print(periph->path, 1049 "Invalidating pack\n"); 1050 softc->flags |= ADA_FLAG_PACK_INVALID; 1051 } 1052 bp->bio_error = error; 1053 bp->bio_resid = bp->bio_bcount; 1054 bp->bio_flags |= BIO_ERROR; 1055 } else { 1056 bp->bio_resid = ataio->resid; 1057 bp->bio_error = 0; 1058 if (bp->bio_resid != 0) 1059 bp->bio_flags |= BIO_ERROR; 1060 } 1061 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1062 cam_release_devq(done_ccb->ccb_h.path, 1063 /*relsim_flags*/0, 1064 /*reduction*/0, 1065 /*timeout*/0, 1066 /*getcount_only*/0); 1067 } else { 1068 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1069 panic("REQ_CMP with QFRZN"); 1070 bp->bio_resid = ataio->resid; 1071 if (ataio->resid > 0) 1072 bp->bio_flags |= BIO_ERROR; 1073 } 1074 softc->outstanding_cmds--; 1075 if (softc->outstanding_cmds == 0) 1076 softc->flags |= ADA_FLAG_WENT_IDLE; 1077 if ((ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK) == 1078 ADA_CCB_TRIM) { 1079 struct trim_request *req = 1080 (struct trim_request *)ataio->data_ptr; 1081 int i; 1082 1083 for (i = 1; i < softc->trim_max_ranges && 1084 req->bps[i]; i++) { 1085 struct bio *bp1 = req->bps[i]; 1086 1087 bp1->bio_resid = bp->bio_resid; 1088 bp1->bio_error = bp->bio_error; 1089 if (bp->bio_flags & BIO_ERROR) 1090 bp1->bio_flags |= BIO_ERROR; 1091 biodone(bp1); 1092 } 1093 softc->trim_running = 0; 1094 biodone(bp); 1095 adaschedule(periph); 1096 } else 1097 biodone(bp); 1098 break; 1099 } 1100 case ADA_CCB_WAITING: 1101 { 1102 /* Caller will release the CCB */ 1103 wakeup(&done_ccb->ccb_h.cbfcnp); 1104 return; 1105 } 1106 case ADA_CCB_DUMP: 1107 /* No-op. We're polling */ 1108 return; 1109 default: 1110 break; 1111 } 1112 xpt_release_ccb(done_ccb); 1113 } 1114 1115 static int 1116 adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1117 { 1118 struct ada_softc *softc; 1119 struct cam_periph *periph; 1120 1121 periph = xpt_path_periph(ccb->ccb_h.path); 1122 softc = (struct ada_softc *)periph->softc; 1123 1124 return(cam_periph_error(ccb, cam_flags, sense_flags, NULL)); 1125 } 1126 1127 static void 1128 adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd) 1129 { 1130 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1131 struct disk_params *dp = &softc->params; 1132 u_int64_t lbasize48; 1133 u_int32_t lbasize; 1134 1135 dp->secsize = ata_logical_sector_size(&cgd->ident_data); 1136 if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) && 1137 cgd->ident_data.current_heads && cgd->ident_data.current_sectors) { 1138 dp->heads = cgd->ident_data.current_heads; 1139 dp->secs_per_track = cgd->ident_data.current_sectors; 1140 dp->cylinders = cgd->ident_data.cylinders; 1141 dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 | 1142 ((u_int32_t)cgd->ident_data.current_size_2 << 16); 1143 } else { 1144 dp->heads = cgd->ident_data.heads; 1145 dp->secs_per_track = cgd->ident_data.sectors; 1146 dp->cylinders = cgd->ident_data.cylinders; 1147 dp->sectors = cgd->ident_data.cylinders * dp->heads * dp->secs_per_track; 1148 } 1149 lbasize = (u_int32_t)cgd->ident_data.lba_size_1 | 1150 ((u_int32_t)cgd->ident_data.lba_size_2 << 16); 1151 1152 /* use the 28bit LBA size if valid or bigger than the CHS mapping */ 1153 if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize) 1154 dp->sectors = lbasize; 1155 1156 /* use the 48bit LBA size if valid */ 1157 lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) | 1158 ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) | 1159 ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) | 1160 ((u_int64_t)cgd->ident_data.lba_size48_4 << 48); 1161 if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) && 1162 lbasize48 > ATA_MAX_28BIT_LBA) 1163 dp->sectors = lbasize48; 1164 } 1165 1166 static void 1167 adasendorderedtag(void *arg) 1168 { 1169 struct ada_softc *softc = arg; 1170 1171 if (ada_send_ordered) { 1172 if ((softc->ordered_tag_count == 0) 1173 && ((softc->flags & ADA_FLAG_WENT_IDLE) == 0)) { 1174 softc->flags |= ADA_FLAG_NEED_OTAG; 1175 } 1176 if (softc->outstanding_cmds > 0) 1177 softc->flags &= ~ADA_FLAG_WENT_IDLE; 1178 1179 softc->ordered_tag_count = 0; 1180 } 1181 /* Queue us up again */ 1182 callout_reset(&softc->sendordered_c, 1183 (ADA_DEFAULT_TIMEOUT * hz) / ADA_ORDEREDTAG_INTERVAL, 1184 adasendorderedtag, softc); 1185 } 1186 1187 /* 1188 * Step through all ADA peripheral drivers, and if the device is still open, 1189 * sync the disk cache to physical media. 1190 */ 1191 static void 1192 adashutdown(void * arg, int howto) 1193 { 1194 struct cam_periph *periph; 1195 struct ada_softc *softc; 1196 1197 TAILQ_FOREACH(periph, &adadriver.units, unit_links) { 1198 union ccb ccb; 1199 1200 /* If we paniced with lock held - not recurse here. */ 1201 if (cam_periph_owned(periph)) 1202 continue; 1203 cam_periph_lock(periph); 1204 softc = (struct ada_softc *)periph->softc; 1205 /* 1206 * We only sync the cache if the drive is still open, and 1207 * if the drive is capable of it.. 1208 */ 1209 if (((softc->flags & ADA_FLAG_OPEN) == 0) || 1210 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) { 1211 cam_periph_unlock(periph); 1212 continue; 1213 } 1214 1215 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1216 1217 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 1218 cam_fill_ataio(&ccb.ataio, 1219 1, 1220 adadone, 1221 CAM_DIR_NONE, 1222 0, 1223 NULL, 1224 0, 1225 ada_default_timeout*1000); 1226 1227 if (softc->flags & ADA_FLAG_CAN_48BIT) 1228 ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1229 else 1230 ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); 1231 xpt_polled_action(&ccb); 1232 1233 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 1234 xpt_print(periph->path, "Synchronize cache failed\n"); 1235 1236 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 1237 cam_release_devq(ccb.ccb_h.path, 1238 /*relsim_flags*/0, 1239 /*reduction*/0, 1240 /*timeout*/0, 1241 /*getcount_only*/0); 1242 cam_periph_unlock(periph); 1243 } 1244 1245 if (ada_spindown_shutdown == 0 || 1246 (howto & (RB_HALT | RB_POWEROFF)) == 0) 1247 return; 1248 1249 TAILQ_FOREACH(periph, &adadriver.units, unit_links) { 1250 union ccb ccb; 1251 1252 /* If we paniced with lock held - not recurse here. */ 1253 if (cam_periph_owned(periph)) 1254 continue; 1255 cam_periph_lock(periph); 1256 softc = (struct ada_softc *)periph->softc; 1257 /* 1258 * We only spin-down the drive if it is capable of it.. 1259 */ 1260 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 1261 cam_periph_unlock(periph); 1262 continue; 1263 } 1264 1265 if (bootverbose) 1266 xpt_print(periph->path, "spin-down\n"); 1267 1268 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1269 1270 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 1271 cam_fill_ataio(&ccb.ataio, 1272 1, 1273 adadone, 1274 CAM_DIR_NONE, 1275 0, 1276 NULL, 1277 0, 1278 ada_default_timeout*1000); 1279 1280 ata_28bit_cmd(&ccb.ataio, ATA_STANDBY_IMMEDIATE, 0, 0, 0); 1281 xpt_polled_action(&ccb); 1282 1283 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 1284 xpt_print(periph->path, "Spin-down disk failed\n"); 1285 1286 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 1287 cam_release_devq(ccb.ccb_h.path, 1288 /*relsim_flags*/0, 1289 /*reduction*/0, 1290 /*timeout*/0, 1291 /*getcount_only*/0); 1292 cam_periph_unlock(periph); 1293 } 1294 } 1295 1296 #endif /* _KERNEL */ 1297