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 32 #include <sys/param.h> 33 34 #ifdef _KERNEL 35 #include <sys/systm.h> 36 #include <sys/kernel.h> 37 #include <sys/bio.h> 38 #include <sys/sysctl.h> 39 #include <sys/taskqueue.h> 40 #include <sys/lock.h> 41 #include <sys/mutex.h> 42 #include <sys/conf.h> 43 #include <sys/devicestat.h> 44 #include <sys/eventhandler.h> 45 #include <sys/malloc.h> 46 #include <sys/cons.h> 47 #include <sys/proc.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_CAN_48BIT = 0x0002, 79 ADA_FLAG_CAN_FLUSHCACHE = 0x0004, 80 ADA_FLAG_CAN_NCQ = 0x0008, 81 ADA_FLAG_CAN_DMA = 0x0010, 82 ADA_FLAG_NEED_OTAG = 0x0020, 83 ADA_FLAG_WENT_IDLE = 0x0040, 84 ADA_FLAG_CAN_TRIM = 0x0080, 85 ADA_FLAG_OPEN = 0x0100, 86 ADA_FLAG_SCTX_INIT = 0x0200, 87 ADA_FLAG_CAN_CFA = 0x0400, 88 ADA_FLAG_CAN_POWERMGT = 0x0800, 89 ADA_FLAG_CAN_DMA48 = 0x1000 90 } ada_flags; 91 92 typedef enum { 93 ADA_Q_NONE = 0x00, 94 ADA_Q_4K = 0x01, 95 } ada_quirks; 96 97 #define ADA_Q_BIT_STRING \ 98 "\020" \ 99 "\0014K" 100 101 typedef enum { 102 ADA_CCB_RAHEAD = 0x01, 103 ADA_CCB_WCACHE = 0x02, 104 ADA_CCB_BUFFER_IO = 0x03, 105 ADA_CCB_WAITING = 0x04, 106 ADA_CCB_DUMP = 0x05, 107 ADA_CCB_TRIM = 0x06, 108 ADA_CCB_TYPE_MASK = 0x0F, 109 } ada_ccb_state; 110 111 /* Offsets into our private area for storing information */ 112 #define ccb_state ppriv_field0 113 #define ccb_bp ppriv_ptr1 114 115 struct disk_params { 116 u_int8_t heads; 117 u_int8_t secs_per_track; 118 u_int32_t cylinders; 119 u_int32_t secsize; /* Number of bytes/logical sector */ 120 u_int64_t sectors; /* Total number sectors */ 121 }; 122 123 #define TRIM_MAX_BLOCKS 8 124 #define TRIM_MAX_RANGES (TRIM_MAX_BLOCKS * ATA_DSM_BLK_RANGES) 125 #define TRIM_MAX_BIOS (TRIM_MAX_RANGES * 4) 126 struct trim_request { 127 uint8_t data[TRIM_MAX_RANGES * ATA_DSM_RANGE_SIZE]; 128 struct bio *bps[TRIM_MAX_BIOS]; 129 }; 130 131 struct ada_softc { 132 struct bio_queue_head bio_queue; 133 struct bio_queue_head trim_queue; 134 ada_state state; 135 ada_flags flags; 136 ada_quirks quirks; 137 int sort_io_queue; 138 int ordered_tag_count; 139 int outstanding_cmds; 140 int trim_max_ranges; 141 int trim_running; 142 int read_ahead; 143 int write_cache; 144 #ifdef ADA_TEST_FAILURE 145 int force_read_error; 146 int force_write_error; 147 int periodic_read_error; 148 int periodic_read_count; 149 #endif 150 struct disk_params params; 151 struct disk *disk; 152 struct task sysctl_task; 153 struct sysctl_ctx_list sysctl_ctx; 154 struct sysctl_oid *sysctl_tree; 155 struct callout sendordered_c; 156 struct trim_request trim_req; 157 }; 158 159 struct ada_quirk_entry { 160 struct scsi_inquiry_pattern inq_pat; 161 ada_quirks quirks; 162 }; 163 164 static struct ada_quirk_entry ada_quirk_table[] = 165 { 166 { 167 /* Hitachi Advanced Format (4k) drives */ 168 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Hitachi H??????????E3*", "*" }, 169 /*quirks*/ADA_Q_4K 170 }, 171 { 172 /* Samsung Advanced Format (4k) drives */ 173 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD155UI*", "*" }, 174 /*quirks*/ADA_Q_4K 175 }, 176 { 177 /* Samsung Advanced Format (4k) drives */ 178 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD204UI*", "*" }, 179 /*quirks*/ADA_Q_4K 180 }, 181 { 182 /* Seagate Barracuda Green Advanced Format (4k) drives */ 183 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DL*", "*" }, 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 Barracuda Advanced Format (4k) drives */ 193 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DM*", "*" }, 194 /*quirks*/ADA_Q_4K 195 }, 196 { 197 /* Seagate Momentus Advanced Format (4k) drives */ 198 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500423AS*", "*" }, 199 /*quirks*/ADA_Q_4K 200 }, 201 { 202 /* Seagate Momentus Advanced Format (4k) drives */ 203 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500424AS*", "*" }, 204 /*quirks*/ADA_Q_4K 205 }, 206 { 207 /* Seagate Momentus Advanced Format (4k) drives */ 208 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640423AS*", "*" }, 209 /*quirks*/ADA_Q_4K 210 }, 211 { 212 /* Seagate Momentus Advanced Format (4k) drives */ 213 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640424AS*", "*" }, 214 /*quirks*/ADA_Q_4K 215 }, 216 { 217 /* Seagate Momentus Advanced Format (4k) drives */ 218 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750420AS*", "*" }, 219 /*quirks*/ADA_Q_4K 220 }, 221 { 222 /* Seagate Momentus Advanced Format (4k) drives */ 223 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750422AS*", "*" }, 224 /*quirks*/ADA_Q_4K 225 }, 226 { 227 /* Seagate Momentus Advanced Format (4k) drives */ 228 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750423AS*", "*" }, 229 /*quirks*/ADA_Q_4K 230 }, 231 { 232 /* Seagate Momentus Thin Advanced Format (4k) drives */ 233 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???LT*", "*" }, 234 /*quirks*/ADA_Q_4K 235 }, 236 { 237 /* WDC Caviar Green Advanced Format (4k) drives */ 238 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RS*", "*" }, 239 /*quirks*/ADA_Q_4K 240 }, 241 { 242 /* WDC Caviar Green Advanced Format (4k) drives */ 243 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RX*", "*" }, 244 /*quirks*/ADA_Q_4K 245 }, 246 { 247 /* WDC Caviar Green Advanced Format (4k) drives */ 248 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RS*", "*" }, 249 /*quirks*/ADA_Q_4K 250 }, 251 { 252 /* WDC Caviar Green Advanced Format (4k) drives */ 253 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RX*", "*" }, 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 Black Advanced Format (4k) drives */ 263 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PKT*", "*" }, 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 /* WDC Scorpio Blue Advanced Format (4k) drives */ 273 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PVT*", "*" }, 274 /*quirks*/ADA_Q_4K 275 }, 276 /* SSDs */ 277 { 278 /* 279 * Corsair Force 2 SSDs 280 * 4k optimised & trim only works in 4k requests + 4k aligned 281 */ 282 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair CSSD-F*", "*" }, 283 /*quirks*/ADA_Q_4K 284 }, 285 { 286 /* 287 * Corsair Force 3 SSDs 288 * 4k optimised & trim only works in 4k requests + 4k aligned 289 */ 290 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force 3*", "*" }, 291 /*quirks*/ADA_Q_4K 292 }, 293 { 294 /* 295 * Corsair Force GT SSDs 296 * 4k optimised & trim only works in 4k requests + 4k aligned 297 */ 298 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force GT*", "*" }, 299 /*quirks*/ADA_Q_4K 300 }, 301 { 302 /* 303 * Crucial M4 SSDs 304 * 4k optimised & trim only works in 4k requests + 4k aligned 305 */ 306 { T_DIRECT, SIP_MEDIA_FIXED, "*", "M4-CT???M4SSD2*", "*" }, 307 /*quirks*/ADA_Q_4K 308 }, 309 { 310 /* 311 * Crucial RealSSD C300 SSDs 312 * 4k optimised 313 */ 314 { T_DIRECT, SIP_MEDIA_FIXED, "*", "C300-CTFDDAC???MAG*", 315 "*" }, /*quirks*/ADA_Q_4K 316 }, 317 { 318 /* 319 * Intel 320 Series SSDs 320 * 4k optimised & trim only works in 4k requests + 4k aligned 321 */ 322 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2CW*", "*" }, 323 /*quirks*/ADA_Q_4K 324 }, 325 { 326 /* 327 * Intel 330 Series SSDs 328 * 4k optimised & trim only works in 4k requests + 4k aligned 329 */ 330 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2CT*", "*" }, 331 /*quirks*/ADA_Q_4K 332 }, 333 { 334 /* 335 * Intel 510 Series SSDs 336 * 4k optimised & trim only works in 4k requests + 4k aligned 337 */ 338 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2MH*", "*" }, 339 /*quirks*/ADA_Q_4K 340 }, 341 { 342 /* 343 * Intel 520 Series SSDs 344 * 4k optimised & trim only works in 4k requests + 4k aligned 345 */ 346 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2BW*", "*" }, 347 /*quirks*/ADA_Q_4K 348 }, 349 { 350 /* 351 * Kingston E100 Series SSDs 352 * 4k optimised & trim only works in 4k requests + 4k aligned 353 */ 354 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SE100S3*", "*" }, 355 /*quirks*/ADA_Q_4K 356 }, 357 { 358 /* 359 * Kingston HyperX 3k SSDs 360 * 4k optimised & trim only works in 4k requests + 4k aligned 361 */ 362 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SH103S3*", "*" }, 363 /*quirks*/ADA_Q_4K 364 }, 365 { 366 /* 367 * OCZ Agility 3 SSDs 368 * 4k optimised & trim only works in 4k requests + 4k aligned 369 */ 370 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY3*", "*" }, 371 /*quirks*/ADA_Q_4K 372 }, 373 { 374 /* 375 * OCZ Deneva R Series SSDs 376 * 4k optimised & trim only works in 4k requests + 4k aligned 377 */ 378 { T_DIRECT, SIP_MEDIA_FIXED, "*", "DENRSTE251M45*", "*" }, 379 /*quirks*/ADA_Q_4K 380 }, 381 { 382 /* 383 * OCZ Vertex 2 SSDs (inc pro series) 384 * 4k optimised & trim only works in 4k requests + 4k aligned 385 */ 386 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ?VERTEX2*", "*" }, 387 /*quirks*/ADA_Q_4K 388 }, 389 { 390 /* 391 * OCZ Vertex 3 SSDs 392 * 4k optimised & trim only works in 4k requests + 4k aligned 393 */ 394 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX3*", "*" }, 395 /*quirks*/ADA_Q_4K 396 }, 397 { 398 /* 399 * Samsung 830 Series SSDs 400 * 4k optimised 401 */ 402 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG SSD 830 Series*", "*" }, 403 /*quirks*/ADA_Q_4K 404 }, 405 { 406 /* 407 * SuperTalent TeraDrive CT SSDs 408 * 4k optimised & trim only works in 4k requests + 4k aligned 409 */ 410 { T_DIRECT, SIP_MEDIA_FIXED, "*", "FTM??CT25H*", "*" }, 411 /*quirks*/ADA_Q_4K 412 }, 413 { 414 /* 415 * XceedIOPS SATA SSDs 416 * 4k optimised 417 */ 418 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SG9XCS2D*", "*" }, 419 /*quirks*/ADA_Q_4K 420 }, 421 { 422 /* Default */ 423 { 424 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 425 /*vendor*/"*", /*product*/"*", /*revision*/"*" 426 }, 427 /*quirks*/0 428 }, 429 }; 430 431 static disk_strategy_t adastrategy; 432 static dumper_t adadump; 433 static periph_init_t adainit; 434 static void adaasync(void *callback_arg, u_int32_t code, 435 struct cam_path *path, void *arg); 436 static void adasysctlinit(void *context, int pending); 437 static periph_ctor_t adaregister; 438 static periph_dtor_t adacleanup; 439 static periph_start_t adastart; 440 static periph_oninv_t adaoninvalidate; 441 static void adadone(struct cam_periph *periph, 442 union ccb *done_ccb); 443 static int adaerror(union ccb *ccb, u_int32_t cam_flags, 444 u_int32_t sense_flags); 445 static void adagetparams(struct cam_periph *periph, 446 struct ccb_getdev *cgd); 447 static timeout_t adasendorderedtag; 448 static void adashutdown(void *arg, int howto); 449 static void adasuspend(void *arg); 450 static void adaresume(void *arg); 451 452 #ifndef ADA_DEFAULT_LEGACY_ALIASES 453 #define ADA_DEFAULT_LEGACY_ALIASES 1 454 #endif 455 456 #ifndef ADA_DEFAULT_TIMEOUT 457 #define ADA_DEFAULT_TIMEOUT 30 /* Timeout in seconds */ 458 #endif 459 460 #ifndef ADA_DEFAULT_RETRY 461 #define ADA_DEFAULT_RETRY 4 462 #endif 463 464 #ifndef ADA_DEFAULT_SEND_ORDERED 465 #define ADA_DEFAULT_SEND_ORDERED 1 466 #endif 467 468 #ifndef ADA_DEFAULT_SPINDOWN_SHUTDOWN 469 #define ADA_DEFAULT_SPINDOWN_SHUTDOWN 1 470 #endif 471 472 #ifndef ADA_DEFAULT_SPINDOWN_SUSPEND 473 #define ADA_DEFAULT_SPINDOWN_SUSPEND 1 474 #endif 475 476 #ifndef ADA_DEFAULT_READ_AHEAD 477 #define ADA_DEFAULT_READ_AHEAD 1 478 #endif 479 480 #ifndef ADA_DEFAULT_WRITE_CACHE 481 #define ADA_DEFAULT_WRITE_CACHE 1 482 #endif 483 484 #define ADA_RA (softc->read_ahead >= 0 ? \ 485 softc->read_ahead : ada_read_ahead) 486 #define ADA_WC (softc->write_cache >= 0 ? \ 487 softc->write_cache : ada_write_cache) 488 #define ADA_SIO (softc->sort_io_queue >= 0 ? \ 489 softc->sort_io_queue : cam_sort_io_queues) 490 491 /* 492 * Most platforms map firmware geometry to actual, but some don't. If 493 * not overridden, default to nothing. 494 */ 495 #ifndef ata_disk_firmware_geom_adjust 496 #define ata_disk_firmware_geom_adjust(disk) 497 #endif 498 499 static int ada_legacy_aliases = ADA_DEFAULT_LEGACY_ALIASES; 500 static int ada_retry_count = ADA_DEFAULT_RETRY; 501 static int ada_default_timeout = ADA_DEFAULT_TIMEOUT; 502 static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED; 503 static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN; 504 static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND; 505 static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD; 506 static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE; 507 508 static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD, 0, 509 "CAM Direct Access Disk driver"); 510 SYSCTL_INT(_kern_cam_ada, OID_AUTO, legacy_aliases, CTLFLAG_RW, 511 &ada_legacy_aliases, 0, "Create legacy-like device aliases"); 512 TUNABLE_INT("kern.cam.ada.legacy_aliases", &ada_legacy_aliases); 513 SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RW, 514 &ada_retry_count, 0, "Normal I/O retry count"); 515 TUNABLE_INT("kern.cam.ada.retry_count", &ada_retry_count); 516 SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RW, 517 &ada_default_timeout, 0, "Normal I/O timeout (in seconds)"); 518 TUNABLE_INT("kern.cam.ada.default_timeout", &ada_default_timeout); 519 SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RW, 520 &ada_send_ordered, 0, "Send Ordered Tags"); 521 TUNABLE_INT("kern.cam.ada.send_ordered", &ada_send_ordered); 522 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RW, 523 &ada_spindown_shutdown, 0, "Spin down upon shutdown"); 524 TUNABLE_INT("kern.cam.ada.spindown_shutdown", &ada_spindown_shutdown); 525 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RW, 526 &ada_spindown_suspend, 0, "Spin down upon suspend"); 527 TUNABLE_INT("kern.cam.ada.spindown_suspend", &ada_spindown_suspend); 528 SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RW, 529 &ada_read_ahead, 0, "Enable disk read-ahead"); 530 TUNABLE_INT("kern.cam.ada.read_ahead", &ada_read_ahead); 531 SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RW, 532 &ada_write_cache, 0, "Enable disk write cache"); 533 TUNABLE_INT("kern.cam.ada.write_cache", &ada_write_cache); 534 535 /* 536 * ADA_ORDEREDTAG_INTERVAL determines how often, relative 537 * to the default timeout, we check to see whether an ordered 538 * tagged transaction is appropriate to prevent simple tag 539 * starvation. Since we'd like to ensure that there is at least 540 * 1/2 of the timeout length left for a starved transaction to 541 * complete after we've sent an ordered tag, we must poll at least 542 * four times in every timeout period. This takes care of the worst 543 * case where a starved transaction starts during an interval that 544 * meets the requirement "don't send an ordered tag" test so it takes 545 * us two intervals to determine that a tag must be sent. 546 */ 547 #ifndef ADA_ORDEREDTAG_INTERVAL 548 #define ADA_ORDEREDTAG_INTERVAL 4 549 #endif 550 551 static struct periph_driver adadriver = 552 { 553 adainit, "ada", 554 TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0 555 }; 556 557 PERIPHDRIVER_DECLARE(ada, adadriver); 558 559 static MALLOC_DEFINE(M_ATADA, "ata_da", "ata_da buffers"); 560 561 static int 562 adaopen(struct disk *dp) 563 { 564 struct cam_periph *periph; 565 struct ada_softc *softc; 566 int error; 567 568 periph = (struct cam_periph *)dp->d_drv1; 569 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 570 return(ENXIO); 571 } 572 573 cam_periph_lock(periph); 574 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 575 cam_periph_unlock(periph); 576 cam_periph_release(periph); 577 return (error); 578 } 579 580 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 581 ("adaopen\n")); 582 583 softc = (struct ada_softc *)periph->softc; 584 softc->flags |= ADA_FLAG_OPEN; 585 586 cam_periph_unhold(periph); 587 cam_periph_unlock(periph); 588 return (0); 589 } 590 591 static int 592 adaclose(struct disk *dp) 593 { 594 struct cam_periph *periph; 595 struct ada_softc *softc; 596 union ccb *ccb; 597 598 periph = (struct cam_periph *)dp->d_drv1; 599 cam_periph_lock(periph); 600 if (cam_periph_hold(periph, PRIBIO) != 0) { 601 cam_periph_unlock(periph); 602 cam_periph_release(periph); 603 return (0); 604 } 605 606 softc = (struct ada_softc *)periph->softc; 607 608 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 609 ("adaclose\n")); 610 611 /* We only sync the cache if the drive is capable of it. */ 612 if ((softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 && 613 (periph->flags & CAM_PERIPH_INVALID) == 0) { 614 615 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 616 cam_fill_ataio(&ccb->ataio, 617 1, 618 adadone, 619 CAM_DIR_NONE, 620 0, 621 NULL, 622 0, 623 ada_default_timeout*1000); 624 625 if (softc->flags & ADA_FLAG_CAN_48BIT) 626 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 627 else 628 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 629 cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 630 /*sense_flags*/0, softc->disk->d_devstat); 631 632 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 633 xpt_print(periph->path, "Synchronize cache failed\n"); 634 xpt_release_ccb(ccb); 635 } 636 637 softc->flags &= ~ADA_FLAG_OPEN; 638 cam_periph_unhold(periph); 639 cam_periph_unlock(periph); 640 cam_periph_release(periph); 641 return (0); 642 } 643 644 static void 645 adaschedule(struct cam_periph *periph) 646 { 647 struct ada_softc *softc = (struct ada_softc *)periph->softc; 648 uint32_t prio; 649 650 if (softc->state != ADA_STATE_NORMAL) 651 return; 652 653 /* Check if cam_periph_getccb() was called. */ 654 prio = periph->immediate_priority; 655 656 /* Check if we have more work to do. */ 657 if (bioq_first(&softc->bio_queue) || 658 (!softc->trim_running && bioq_first(&softc->trim_queue))) { 659 prio = CAM_PRIORITY_NORMAL; 660 } 661 662 /* Schedule CCB if any of above is true. */ 663 if (prio != CAM_PRIORITY_NONE) 664 xpt_schedule(periph, prio); 665 } 666 667 /* 668 * Actually translate the requested transfer into one the physical driver 669 * can understand. The transfer is described by a buf and will include 670 * only one physical transfer. 671 */ 672 static void 673 adastrategy(struct bio *bp) 674 { 675 struct cam_periph *periph; 676 struct ada_softc *softc; 677 678 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 679 softc = (struct ada_softc *)periph->softc; 680 681 cam_periph_lock(periph); 682 683 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp)); 684 685 /* 686 * If the device has been made invalid, error out 687 */ 688 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 689 cam_periph_unlock(periph); 690 biofinish(bp, NULL, ENXIO); 691 return; 692 } 693 694 /* 695 * Place it in the queue of disk activities for this disk 696 */ 697 if (bp->bio_cmd == BIO_DELETE && 698 (softc->flags & ADA_FLAG_CAN_TRIM)) { 699 if (ADA_SIO) 700 bioq_disksort(&softc->trim_queue, bp); 701 else 702 bioq_insert_tail(&softc->trim_queue, bp); 703 } else { 704 if (ADA_SIO) 705 bioq_disksort(&softc->bio_queue, bp); 706 else 707 bioq_insert_tail(&softc->bio_queue, bp); 708 } 709 710 /* 711 * Schedule ourselves for performing the work. 712 */ 713 adaschedule(periph); 714 cam_periph_unlock(periph); 715 716 return; 717 } 718 719 static int 720 adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 721 { 722 struct cam_periph *periph; 723 struct ada_softc *softc; 724 u_int secsize; 725 union ccb ccb; 726 struct disk *dp; 727 uint64_t lba; 728 uint16_t count; 729 int error = 0; 730 731 dp = arg; 732 periph = dp->d_drv1; 733 softc = (struct ada_softc *)periph->softc; 734 cam_periph_lock(periph); 735 secsize = softc->params.secsize; 736 lba = offset / secsize; 737 count = length / secsize; 738 739 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 740 cam_periph_unlock(periph); 741 return (ENXIO); 742 } 743 744 if (length > 0) { 745 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 746 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 747 cam_fill_ataio(&ccb.ataio, 748 0, 749 adadone, 750 CAM_DIR_OUT, 751 0, 752 (u_int8_t *) virtual, 753 length, 754 ada_default_timeout*1000); 755 if ((softc->flags & ADA_FLAG_CAN_48BIT) && 756 (lba + count >= ATA_MAX_28BIT_LBA || 757 count >= 256)) { 758 ata_48bit_cmd(&ccb.ataio, ATA_WRITE_DMA48, 759 0, lba, count); 760 } else { 761 ata_28bit_cmd(&ccb.ataio, ATA_WRITE_DMA, 762 0, lba, count); 763 } 764 xpt_polled_action(&ccb); 765 766 error = cam_periph_error(&ccb, 767 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 768 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 769 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 770 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 771 if (error != 0) 772 printf("Aborting dump due to I/O error.\n"); 773 774 cam_periph_unlock(periph); 775 return (error); 776 } 777 778 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { 779 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 780 781 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 782 cam_fill_ataio(&ccb.ataio, 783 0, 784 adadone, 785 CAM_DIR_NONE, 786 0, 787 NULL, 788 0, 789 ada_default_timeout*1000); 790 791 if (softc->flags & ADA_FLAG_CAN_48BIT) 792 ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); 793 else 794 ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); 795 xpt_polled_action(&ccb); 796 797 error = cam_periph_error(&ccb, 798 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 799 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 800 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 801 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 802 if (error != 0) 803 xpt_print(periph->path, "Synchronize cache failed\n"); 804 } 805 cam_periph_unlock(periph); 806 return (error); 807 } 808 809 static void 810 adainit(void) 811 { 812 cam_status status; 813 814 /* 815 * Install a global async callback. This callback will 816 * receive async callbacks like "new device found". 817 */ 818 status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL); 819 820 if (status != CAM_REQ_CMP) { 821 printf("ada: Failed to attach master async callback " 822 "due to status 0x%x!\n", status); 823 } else if (ada_send_ordered) { 824 825 /* Register our event handlers */ 826 if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend, 827 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 828 printf("adainit: power event registration failed!\n"); 829 if ((EVENTHANDLER_REGISTER(power_resume, adaresume, 830 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 831 printf("adainit: power event registration failed!\n"); 832 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown, 833 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 834 printf("adainit: shutdown event registration failed!\n"); 835 } 836 } 837 838 /* 839 * Callback from GEOM, called when it has finished cleaning up its 840 * resources. 841 */ 842 static void 843 adadiskgonecb(struct disk *dp) 844 { 845 struct cam_periph *periph; 846 847 periph = (struct cam_periph *)dp->d_drv1; 848 849 cam_periph_release(periph); 850 } 851 852 static void 853 adaoninvalidate(struct cam_periph *periph) 854 { 855 struct ada_softc *softc; 856 857 softc = (struct ada_softc *)periph->softc; 858 859 /* 860 * De-register any async callbacks. 861 */ 862 xpt_register_async(0, adaasync, periph, periph->path); 863 864 /* 865 * Return all queued I/O with ENXIO. 866 * XXX Handle any transactions queued to the card 867 * with XPT_ABORT_CCB. 868 */ 869 bioq_flush(&softc->bio_queue, NULL, ENXIO); 870 bioq_flush(&softc->trim_queue, NULL, ENXIO); 871 872 disk_gone(softc->disk); 873 xpt_print(periph->path, "lost device\n"); 874 } 875 876 static void 877 adacleanup(struct cam_periph *periph) 878 { 879 struct ada_softc *softc; 880 881 softc = (struct ada_softc *)periph->softc; 882 883 xpt_print(periph->path, "removing device entry\n"); 884 cam_periph_unlock(periph); 885 886 /* 887 * If we can't free the sysctl tree, oh well... 888 */ 889 if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0 890 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 891 xpt_print(periph->path, "can't remove sysctl context\n"); 892 } 893 894 disk_destroy(softc->disk); 895 callout_drain(&softc->sendordered_c); 896 free(softc, M_DEVBUF); 897 cam_periph_lock(periph); 898 } 899 900 static void 901 adaasync(void *callback_arg, u_int32_t code, 902 struct cam_path *path, void *arg) 903 { 904 struct ccb_getdev cgd; 905 struct cam_periph *periph; 906 struct ada_softc *softc; 907 908 periph = (struct cam_periph *)callback_arg; 909 switch (code) { 910 case AC_FOUND_DEVICE: 911 { 912 struct ccb_getdev *cgd; 913 cam_status status; 914 915 cgd = (struct ccb_getdev *)arg; 916 if (cgd == NULL) 917 break; 918 919 if (cgd->protocol != PROTO_ATA) 920 break; 921 922 /* 923 * Allocate a peripheral instance for 924 * this device and start the probe 925 * process. 926 */ 927 status = cam_periph_alloc(adaregister, adaoninvalidate, 928 adacleanup, adastart, 929 "ada", CAM_PERIPH_BIO, 930 cgd->ccb_h.path, adaasync, 931 AC_FOUND_DEVICE, cgd); 932 933 if (status != CAM_REQ_CMP 934 && status != CAM_REQ_INPROG) 935 printf("adaasync: Unable to attach to new device " 936 "due to status 0x%x\n", status); 937 break; 938 } 939 case AC_GETDEV_CHANGED: 940 { 941 softc = (struct ada_softc *)periph->softc; 942 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 943 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 944 xpt_action((union ccb *)&cgd); 945 946 if ((cgd.ident_data.capabilities1 & ATA_SUPPORT_DMA) && 947 (cgd.inq_flags & SID_DMA)) 948 softc->flags |= ADA_FLAG_CAN_DMA; 949 else 950 softc->flags &= ~ADA_FLAG_CAN_DMA; 951 if (cgd.ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 952 softc->flags |= ADA_FLAG_CAN_48BIT; 953 if (cgd.inq_flags & SID_DMA48) 954 softc->flags |= ADA_FLAG_CAN_DMA48; 955 else 956 softc->flags &= ~ADA_FLAG_CAN_DMA48; 957 } else 958 softc->flags &= ~(ADA_FLAG_CAN_48BIT | 959 ADA_FLAG_CAN_DMA48); 960 if ((cgd.ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 961 (cgd.inq_flags & SID_DMA) && (cgd.inq_flags & SID_CmdQue)) 962 softc->flags |= ADA_FLAG_CAN_NCQ; 963 else 964 softc->flags &= ~ADA_FLAG_CAN_NCQ; 965 if ((cgd.ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 966 (cgd.inq_flags & SID_DMA)) 967 softc->flags |= ADA_FLAG_CAN_TRIM; 968 else 969 softc->flags &= ~ADA_FLAG_CAN_TRIM; 970 971 cam_periph_async(periph, code, path, arg); 972 break; 973 } 974 case AC_ADVINFO_CHANGED: 975 { 976 uintptr_t buftype; 977 978 buftype = (uintptr_t)arg; 979 if (buftype == CDAI_TYPE_PHYS_PATH) { 980 struct ada_softc *softc; 981 982 softc = periph->softc; 983 disk_attr_changed(softc->disk, "GEOM::physpath", 984 M_NOWAIT); 985 } 986 break; 987 } 988 case AC_SENT_BDR: 989 case AC_BUS_RESET: 990 { 991 softc = (struct ada_softc *)periph->softc; 992 cam_periph_async(periph, code, path, arg); 993 if (softc->state != ADA_STATE_NORMAL) 994 break; 995 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 996 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 997 xpt_action((union ccb *)&cgd); 998 if (ADA_RA >= 0 && 999 cgd.ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) 1000 softc->state = ADA_STATE_RAHEAD; 1001 else if (ADA_WC >= 0 && 1002 cgd.ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) 1003 softc->state = ADA_STATE_WCACHE; 1004 else 1005 break; 1006 cam_periph_acquire(periph); 1007 xpt_schedule(periph, CAM_PRIORITY_DEV); 1008 } 1009 default: 1010 cam_periph_async(periph, code, path, arg); 1011 break; 1012 } 1013 } 1014 1015 static void 1016 adasysctlinit(void *context, int pending) 1017 { 1018 struct cam_periph *periph; 1019 struct ada_softc *softc; 1020 char tmpstr[80], tmpstr2[80]; 1021 1022 periph = (struct cam_periph *)context; 1023 1024 /* periph was held for us when this task was enqueued */ 1025 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1026 cam_periph_release(periph); 1027 return; 1028 } 1029 1030 softc = (struct ada_softc *)periph->softc; 1031 snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d", periph->unit_number); 1032 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1033 1034 sysctl_ctx_init(&softc->sysctl_ctx); 1035 softc->flags |= ADA_FLAG_SCTX_INIT; 1036 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1037 SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2, 1038 CTLFLAG_RD, 0, tmpstr); 1039 if (softc->sysctl_tree == NULL) { 1040 printf("adasysctlinit: unable to allocate sysctl tree\n"); 1041 cam_periph_release(periph); 1042 return; 1043 } 1044 1045 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1046 OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE, 1047 &softc->read_ahead, 0, "Enable disk read ahead."); 1048 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1049 OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE, 1050 &softc->write_cache, 0, "Enable disk write cache."); 1051 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1052 OID_AUTO, "sort_io_queue", CTLFLAG_RW | CTLFLAG_MPSAFE, 1053 &softc->sort_io_queue, 0, 1054 "Sort IO queue to try and optimise disk access patterns"); 1055 #ifdef ADA_TEST_FAILURE 1056 /* 1057 * Add a 'door bell' sysctl which allows one to set it from userland 1058 * and cause something bad to happen. For the moment, we only allow 1059 * whacking the next read or write. 1060 */ 1061 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1062 OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1063 &softc->force_read_error, 0, 1064 "Force a read error for the next N reads."); 1065 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1066 OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1067 &softc->force_write_error, 0, 1068 "Force a write error for the next N writes."); 1069 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1070 OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1071 &softc->periodic_read_error, 0, 1072 "Force a read error every N reads (don't set too low)."); 1073 #endif 1074 cam_periph_release(periph); 1075 } 1076 1077 static int 1078 adagetattr(struct bio *bp) 1079 { 1080 int ret; 1081 struct cam_periph *periph; 1082 1083 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1084 cam_periph_lock(periph); 1085 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1086 periph->path); 1087 cam_periph_unlock(periph); 1088 if (ret == 0) 1089 bp->bio_completed = bp->bio_length; 1090 return ret; 1091 } 1092 1093 static cam_status 1094 adaregister(struct cam_periph *periph, void *arg) 1095 { 1096 struct ada_softc *softc; 1097 struct ccb_pathinq cpi; 1098 struct ccb_getdev *cgd; 1099 char announce_buf[80], buf1[32]; 1100 struct disk_params *dp; 1101 caddr_t match; 1102 u_int maxio; 1103 int legacy_id, quirks; 1104 1105 cgd = (struct ccb_getdev *)arg; 1106 if (cgd == NULL) { 1107 printf("adaregister: no getdev CCB, can't register device\n"); 1108 return(CAM_REQ_CMP_ERR); 1109 } 1110 1111 softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF, 1112 M_NOWAIT|M_ZERO); 1113 1114 if (softc == NULL) { 1115 printf("adaregister: Unable to probe new device. " 1116 "Unable to allocate softc\n"); 1117 return(CAM_REQ_CMP_ERR); 1118 } 1119 1120 bioq_init(&softc->bio_queue); 1121 bioq_init(&softc->trim_queue); 1122 1123 if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1124 (cgd->inq_flags & SID_DMA)) 1125 softc->flags |= ADA_FLAG_CAN_DMA; 1126 if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1127 softc->flags |= ADA_FLAG_CAN_48BIT; 1128 if (cgd->inq_flags & SID_DMA48) 1129 softc->flags |= ADA_FLAG_CAN_DMA48; 1130 } 1131 if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE) 1132 softc->flags |= ADA_FLAG_CAN_FLUSHCACHE; 1133 if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT) 1134 softc->flags |= ADA_FLAG_CAN_POWERMGT; 1135 if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1136 (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue)) 1137 softc->flags |= ADA_FLAG_CAN_NCQ; 1138 if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1139 (cgd->inq_flags & SID_DMA)) { 1140 softc->flags |= ADA_FLAG_CAN_TRIM; 1141 softc->trim_max_ranges = TRIM_MAX_RANGES; 1142 if (cgd->ident_data.max_dsm_blocks != 0) { 1143 softc->trim_max_ranges = 1144 min(cgd->ident_data.max_dsm_blocks * 1145 ATA_DSM_BLK_RANGES, softc->trim_max_ranges); 1146 } 1147 } 1148 if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA) 1149 softc->flags |= ADA_FLAG_CAN_CFA; 1150 1151 periph->softc = softc; 1152 1153 /* 1154 * See if this device has any quirks. 1155 */ 1156 match = cam_quirkmatch((caddr_t)&cgd->ident_data, 1157 (caddr_t)ada_quirk_table, 1158 sizeof(ada_quirk_table)/sizeof(*ada_quirk_table), 1159 sizeof(*ada_quirk_table), ata_identify_match); 1160 if (match != NULL) 1161 softc->quirks = ((struct ada_quirk_entry *)match)->quirks; 1162 else 1163 softc->quirks = ADA_Q_NONE; 1164 1165 bzero(&cpi, sizeof(cpi)); 1166 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 1167 cpi.ccb_h.func_code = XPT_PATH_INQ; 1168 xpt_action((union ccb *)&cpi); 1169 1170 TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph); 1171 1172 /* 1173 * Register this media as a disk 1174 */ 1175 (void)cam_periph_hold(periph, PRIBIO); 1176 cam_periph_unlock(periph); 1177 snprintf(announce_buf, sizeof(announce_buf), 1178 "kern.cam.ada.%d.quirks", periph->unit_number); 1179 quirks = softc->quirks; 1180 TUNABLE_INT_FETCH(announce_buf, &quirks); 1181 softc->quirks = quirks; 1182 softc->read_ahead = -1; 1183 snprintf(announce_buf, sizeof(announce_buf), 1184 "kern.cam.ada.%d.read_ahead", periph->unit_number); 1185 TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead); 1186 softc->write_cache = -1; 1187 snprintf(announce_buf, sizeof(announce_buf), 1188 "kern.cam.ada.%d.write_cache", periph->unit_number); 1189 TUNABLE_INT_FETCH(announce_buf, &softc->write_cache); 1190 /* Disable queue sorting for non-rotational media by default. */ 1191 if (cgd->ident_data.media_rotation_rate == 1) 1192 softc->sort_io_queue = 0; 1193 else 1194 softc->sort_io_queue = -1; 1195 adagetparams(periph, cgd); 1196 softc->disk = disk_alloc(); 1197 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1198 periph->unit_number, softc->params.secsize, 1199 DEVSTAT_ALL_SUPPORTED, 1200 DEVSTAT_TYPE_DIRECT | 1201 XPORT_DEVSTAT_TYPE(cpi.transport), 1202 DEVSTAT_PRIORITY_DISK); 1203 softc->disk->d_open = adaopen; 1204 softc->disk->d_close = adaclose; 1205 softc->disk->d_strategy = adastrategy; 1206 softc->disk->d_getattr = adagetattr; 1207 softc->disk->d_dump = adadump; 1208 softc->disk->d_gone = adadiskgonecb; 1209 softc->disk->d_name = "ada"; 1210 softc->disk->d_drv1 = periph; 1211 maxio = cpi.maxio; /* Honor max I/O size of SIM */ 1212 if (maxio == 0) 1213 maxio = DFLTPHYS; /* traditional default */ 1214 else if (maxio > MAXPHYS) 1215 maxio = MAXPHYS; /* for safety */ 1216 if (softc->flags & ADA_FLAG_CAN_48BIT) 1217 maxio = min(maxio, 65536 * softc->params.secsize); 1218 else /* 28bit ATA command limit */ 1219 maxio = min(maxio, 256 * softc->params.secsize); 1220 softc->disk->d_maxsize = maxio; 1221 softc->disk->d_unit = periph->unit_number; 1222 softc->disk->d_flags = 0; 1223 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) 1224 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1225 if (softc->flags & ADA_FLAG_CAN_TRIM) { 1226 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1227 softc->disk->d_delmaxsize = softc->params.secsize * 1228 ATA_DSM_RANGE_MAX * 1229 softc->trim_max_ranges; 1230 } else if ((softc->flags & ADA_FLAG_CAN_CFA) && 1231 !(softc->flags & ADA_FLAG_CAN_48BIT)) { 1232 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1233 softc->disk->d_delmaxsize = 256 * softc->params.secsize; 1234 } else 1235 softc->disk->d_delmaxsize = maxio; 1236 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) 1237 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 1238 strlcpy(softc->disk->d_descr, cgd->ident_data.model, 1239 MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model))); 1240 strlcpy(softc->disk->d_ident, cgd->ident_data.serial, 1241 MIN(sizeof(softc->disk->d_ident), sizeof(cgd->ident_data.serial))); 1242 softc->disk->d_hba_vendor = cpi.hba_vendor; 1243 softc->disk->d_hba_device = cpi.hba_device; 1244 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1245 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1246 1247 softc->disk->d_sectorsize = softc->params.secsize; 1248 softc->disk->d_mediasize = (off_t)softc->params.sectors * 1249 softc->params.secsize; 1250 if (ata_physical_sector_size(&cgd->ident_data) != 1251 softc->params.secsize) { 1252 softc->disk->d_stripesize = 1253 ata_physical_sector_size(&cgd->ident_data); 1254 softc->disk->d_stripeoffset = (softc->disk->d_stripesize - 1255 ata_logical_sector_offset(&cgd->ident_data)) % 1256 softc->disk->d_stripesize; 1257 } else if (softc->quirks & ADA_Q_4K) { 1258 softc->disk->d_stripesize = 4096; 1259 softc->disk->d_stripeoffset = 0; 1260 } 1261 softc->disk->d_fwsectors = softc->params.secs_per_track; 1262 softc->disk->d_fwheads = softc->params.heads; 1263 ata_disk_firmware_geom_adjust(softc->disk); 1264 1265 if (ada_legacy_aliases) { 1266 #ifdef ATA_STATIC_ID 1267 legacy_id = xpt_path_legacy_ata_id(periph->path); 1268 #else 1269 legacy_id = softc->disk->d_unit; 1270 #endif 1271 if (legacy_id >= 0) { 1272 snprintf(announce_buf, sizeof(announce_buf), 1273 "kern.devalias.%s%d", 1274 softc->disk->d_name, softc->disk->d_unit); 1275 snprintf(buf1, sizeof(buf1), 1276 "ad%d", legacy_id); 1277 setenv(announce_buf, buf1); 1278 } 1279 } else 1280 legacy_id = -1; 1281 /* 1282 * Acquire a reference to the periph before we register with GEOM. 1283 * We'll release this reference once GEOM calls us back (via 1284 * adadiskgonecb()) telling us that our provider has been freed. 1285 */ 1286 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1287 xpt_print(periph->path, "%s: lost periph during " 1288 "registration!\n", __func__); 1289 cam_periph_lock(periph); 1290 return (CAM_REQ_CMP_ERR); 1291 } 1292 disk_create(softc->disk, DISK_VERSION); 1293 cam_periph_lock(periph); 1294 cam_periph_unhold(periph); 1295 1296 dp = &softc->params; 1297 snprintf(announce_buf, sizeof(announce_buf), 1298 "%juMB (%ju %u byte sectors: %dH %dS/T %dC)", 1299 (uintmax_t)(((uintmax_t)dp->secsize * 1300 dp->sectors) / (1024*1024)), 1301 (uintmax_t)dp->sectors, 1302 dp->secsize, dp->heads, 1303 dp->secs_per_track, dp->cylinders); 1304 xpt_announce_periph(periph, announce_buf); 1305 xpt_announce_quirks(periph, softc->quirks, ADA_Q_BIT_STRING); 1306 if (legacy_id >= 0) 1307 printf("%s%d: Previously was known as ad%d\n", 1308 periph->periph_name, periph->unit_number, legacy_id); 1309 1310 /* 1311 * Create our sysctl variables, now that we know 1312 * we have successfully attached. 1313 */ 1314 cam_periph_acquire(periph); 1315 taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task); 1316 1317 /* 1318 * Add async callbacks for bus reset and 1319 * bus device reset calls. I don't bother 1320 * checking if this fails as, in most cases, 1321 * the system will function just fine without 1322 * them and the only alternative would be to 1323 * not attach the device on failure. 1324 */ 1325 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 1326 AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED, 1327 adaasync, periph, periph->path); 1328 1329 /* 1330 * Schedule a periodic event to occasionally send an 1331 * ordered tag to a device. 1332 */ 1333 callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0); 1334 callout_reset(&softc->sendordered_c, 1335 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1336 adasendorderedtag, softc); 1337 1338 if (ADA_RA >= 0 && 1339 cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) { 1340 softc->state = ADA_STATE_RAHEAD; 1341 cam_periph_acquire(periph); 1342 xpt_schedule(periph, CAM_PRIORITY_DEV); 1343 } else if (ADA_WC >= 0 && 1344 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1345 softc->state = ADA_STATE_WCACHE; 1346 cam_periph_acquire(periph); 1347 xpt_schedule(periph, CAM_PRIORITY_DEV); 1348 } else 1349 softc->state = ADA_STATE_NORMAL; 1350 1351 return(CAM_REQ_CMP); 1352 } 1353 1354 static void 1355 adastart(struct cam_periph *periph, union ccb *start_ccb) 1356 { 1357 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1358 struct ccb_ataio *ataio = &start_ccb->ataio; 1359 1360 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n")); 1361 1362 switch (softc->state) { 1363 case ADA_STATE_NORMAL: 1364 { 1365 struct bio *bp; 1366 u_int8_t tag_code; 1367 1368 /* Execute immediate CCB if waiting. */ 1369 if (periph->immediate_priority <= periph->pinfo.priority) { 1370 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1371 ("queuing for immediate ccb\n")); 1372 start_ccb->ccb_h.ccb_state = ADA_CCB_WAITING; 1373 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1374 periph_links.sle); 1375 periph->immediate_priority = CAM_PRIORITY_NONE; 1376 wakeup(&periph->ccb_list); 1377 /* Have more work to do, so ensure we stay scheduled */ 1378 adaschedule(periph); 1379 break; 1380 } 1381 /* Run TRIM if not running yet. */ 1382 if (!softc->trim_running && 1383 (bp = bioq_first(&softc->trim_queue)) != 0) { 1384 struct trim_request *req = &softc->trim_req; 1385 struct bio *bp1; 1386 uint64_t lastlba = (uint64_t)-1; 1387 int bps = 0, c, lastcount = 0, off, ranges = 0; 1388 1389 softc->trim_running = 1; 1390 bzero(req, sizeof(*req)); 1391 bp1 = bp; 1392 do { 1393 uint64_t lba = bp1->bio_pblkno; 1394 int count = bp1->bio_bcount / 1395 softc->params.secsize; 1396 1397 bioq_remove(&softc->trim_queue, bp1); 1398 1399 /* Try to extend the previous range. */ 1400 if (lba == lastlba) { 1401 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 1402 lastcount += c; 1403 off = (ranges - 1) * ATA_DSM_RANGE_SIZE; 1404 req->data[off + 6] = lastcount & 0xff; 1405 req->data[off + 7] = 1406 (lastcount >> 8) & 0xff; 1407 count -= c; 1408 lba += c; 1409 } 1410 1411 while (count > 0) { 1412 c = min(count, ATA_DSM_RANGE_MAX); 1413 off = ranges * ATA_DSM_RANGE_SIZE; 1414 req->data[off + 0] = lba & 0xff; 1415 req->data[off + 1] = (lba >> 8) & 0xff; 1416 req->data[off + 2] = (lba >> 16) & 0xff; 1417 req->data[off + 3] = (lba >> 24) & 0xff; 1418 req->data[off + 4] = (lba >> 32) & 0xff; 1419 req->data[off + 5] = (lba >> 40) & 0xff; 1420 req->data[off + 6] = c & 0xff; 1421 req->data[off + 7] = (c >> 8) & 0xff; 1422 lba += c; 1423 count -= c; 1424 lastcount = c; 1425 ranges++; 1426 /* 1427 * Its the caller's responsibility to ensure the 1428 * request will fit so we don't need to check for 1429 * overrun here 1430 */ 1431 } 1432 lastlba = lba; 1433 req->bps[bps++] = bp1; 1434 bp1 = bioq_first(&softc->trim_queue); 1435 if (bps >= TRIM_MAX_BIOS || 1436 bp1 == NULL || 1437 bp1->bio_bcount / softc->params.secsize > 1438 (softc->trim_max_ranges - ranges) * 1439 ATA_DSM_RANGE_MAX) 1440 break; 1441 } while (1); 1442 cam_fill_ataio(ataio, 1443 ada_retry_count, 1444 adadone, 1445 CAM_DIR_OUT, 1446 0, 1447 req->data, 1448 ((ranges + ATA_DSM_BLK_RANGES - 1) / 1449 ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE, 1450 ada_default_timeout * 1000); 1451 ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT, 1452 ATA_DSM_TRIM, 0, (ranges + ATA_DSM_BLK_RANGES - 1453 1) / ATA_DSM_BLK_RANGES); 1454 start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM; 1455 goto out; 1456 } 1457 /* Run regular command. */ 1458 bp = bioq_first(&softc->bio_queue); 1459 if (bp == NULL) { 1460 xpt_release_ccb(start_ccb); 1461 break; 1462 } 1463 bioq_remove(&softc->bio_queue, bp); 1464 1465 if ((bp->bio_flags & BIO_ORDERED) != 0 1466 || (softc->flags & ADA_FLAG_NEED_OTAG) != 0) { 1467 softc->flags &= ~ADA_FLAG_NEED_OTAG; 1468 softc->ordered_tag_count++; 1469 tag_code = 0; 1470 } else { 1471 tag_code = 1; 1472 } 1473 switch (bp->bio_cmd) { 1474 case BIO_READ: 1475 case BIO_WRITE: 1476 { 1477 uint64_t lba = bp->bio_pblkno; 1478 uint16_t count = bp->bio_bcount / softc->params.secsize; 1479 #ifdef ADA_TEST_FAILURE 1480 int fail = 0; 1481 1482 /* 1483 * Support the failure ioctls. If the command is a 1484 * read, and there are pending forced read errors, or 1485 * if a write and pending write errors, then fail this 1486 * operation with EIO. This is useful for testing 1487 * purposes. Also, support having every Nth read fail. 1488 * 1489 * This is a rather blunt tool. 1490 */ 1491 if (bp->bio_cmd == BIO_READ) { 1492 if (softc->force_read_error) { 1493 softc->force_read_error--; 1494 fail = 1; 1495 } 1496 if (softc->periodic_read_error > 0) { 1497 if (++softc->periodic_read_count >= 1498 softc->periodic_read_error) { 1499 softc->periodic_read_count = 0; 1500 fail = 1; 1501 } 1502 } 1503 } else { 1504 if (softc->force_write_error) { 1505 softc->force_write_error--; 1506 fail = 1; 1507 } 1508 } 1509 if (fail) { 1510 bp->bio_error = EIO; 1511 bp->bio_flags |= BIO_ERROR; 1512 biodone(bp); 1513 xpt_release_ccb(start_ccb); 1514 adaschedule(periph); 1515 return; 1516 } 1517 #endif 1518 KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 || 1519 round_page(bp->bio_bcount + bp->bio_ma_offset) / 1520 PAGE_SIZE == bp->bio_ma_n, 1521 ("Short bio %p", bp)); 1522 cam_fill_ataio(ataio, 1523 ada_retry_count, 1524 adadone, 1525 (bp->bio_cmd == BIO_READ ? CAM_DIR_IN : 1526 CAM_DIR_OUT) | ((bp->bio_flags & BIO_UNMAPPED) 1527 != 0 ? CAM_DATA_BIO : 0), 1528 tag_code, 1529 ((bp->bio_flags & BIO_UNMAPPED) != 0) ? (void *)bp : 1530 bp->bio_data, 1531 bp->bio_bcount, 1532 ada_default_timeout*1000); 1533 1534 if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) { 1535 if (bp->bio_cmd == BIO_READ) { 1536 ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED, 1537 lba, count); 1538 } else { 1539 ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED, 1540 lba, count); 1541 } 1542 } else if ((softc->flags & ADA_FLAG_CAN_48BIT) && 1543 (lba + count >= ATA_MAX_28BIT_LBA || 1544 count > 256)) { 1545 if (softc->flags & ADA_FLAG_CAN_DMA48) { 1546 if (bp->bio_cmd == BIO_READ) { 1547 ata_48bit_cmd(ataio, ATA_READ_DMA48, 1548 0, lba, count); 1549 } else { 1550 ata_48bit_cmd(ataio, ATA_WRITE_DMA48, 1551 0, lba, count); 1552 } 1553 } else { 1554 if (bp->bio_cmd == BIO_READ) { 1555 ata_48bit_cmd(ataio, ATA_READ_MUL48, 1556 0, lba, count); 1557 } else { 1558 ata_48bit_cmd(ataio, ATA_WRITE_MUL48, 1559 0, lba, count); 1560 } 1561 } 1562 } else { 1563 if (count == 256) 1564 count = 0; 1565 if (softc->flags & ADA_FLAG_CAN_DMA) { 1566 if (bp->bio_cmd == BIO_READ) { 1567 ata_28bit_cmd(ataio, ATA_READ_DMA, 1568 0, lba, count); 1569 } else { 1570 ata_28bit_cmd(ataio, ATA_WRITE_DMA, 1571 0, lba, count); 1572 } 1573 } else { 1574 if (bp->bio_cmd == BIO_READ) { 1575 ata_28bit_cmd(ataio, ATA_READ_MUL, 1576 0, lba, count); 1577 } else { 1578 ata_28bit_cmd(ataio, ATA_WRITE_MUL, 1579 0, lba, count); 1580 } 1581 } 1582 } 1583 break; 1584 } 1585 case BIO_DELETE: 1586 { 1587 uint64_t lba = bp->bio_pblkno; 1588 uint16_t count = bp->bio_bcount / softc->params.secsize; 1589 1590 cam_fill_ataio(ataio, 1591 ada_retry_count, 1592 adadone, 1593 CAM_DIR_NONE, 1594 0, 1595 NULL, 1596 0, 1597 ada_default_timeout*1000); 1598 1599 if (count >= 256) 1600 count = 0; 1601 ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count); 1602 break; 1603 } 1604 case BIO_FLUSH: 1605 cam_fill_ataio(ataio, 1606 1, 1607 adadone, 1608 CAM_DIR_NONE, 1609 0, 1610 NULL, 1611 0, 1612 ada_default_timeout*1000); 1613 1614 if (softc->flags & ADA_FLAG_CAN_48BIT) 1615 ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1616 else 1617 ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0); 1618 break; 1619 } 1620 start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO; 1621 out: 1622 start_ccb->ccb_h.ccb_bp = bp; 1623 softc->outstanding_cmds++; 1624 xpt_action(start_ccb); 1625 1626 /* May have more work to do, so ensure we stay scheduled */ 1627 adaschedule(periph); 1628 break; 1629 } 1630 case ADA_STATE_RAHEAD: 1631 case ADA_STATE_WCACHE: 1632 { 1633 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1634 softc->state = ADA_STATE_NORMAL; 1635 xpt_release_ccb(start_ccb); 1636 cam_periph_release_locked(periph); 1637 return; 1638 } 1639 1640 cam_fill_ataio(ataio, 1641 1, 1642 adadone, 1643 CAM_DIR_NONE, 1644 0, 1645 NULL, 1646 0, 1647 ada_default_timeout*1000); 1648 1649 if (softc->state == ADA_STATE_RAHEAD) { 1650 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ? 1651 ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0); 1652 start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD; 1653 } else { 1654 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ? 1655 ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0); 1656 start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE; 1657 } 1658 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1659 xpt_action(start_ccb); 1660 break; 1661 } 1662 } 1663 } 1664 1665 static void 1666 adadone(struct cam_periph *periph, union ccb *done_ccb) 1667 { 1668 struct ada_softc *softc; 1669 struct ccb_ataio *ataio; 1670 struct ccb_getdev *cgd; 1671 struct cam_path *path; 1672 1673 softc = (struct ada_softc *)periph->softc; 1674 ataio = &done_ccb->ataio; 1675 path = done_ccb->ccb_h.path; 1676 1677 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n")); 1678 1679 switch (ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK) { 1680 case ADA_CCB_BUFFER_IO: 1681 case ADA_CCB_TRIM: 1682 { 1683 struct bio *bp; 1684 1685 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1686 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1687 int error; 1688 1689 error = adaerror(done_ccb, 0, 0); 1690 if (error == ERESTART) { 1691 /* A retry was scheduled, so just return. */ 1692 return; 1693 } 1694 if (error != 0) { 1695 bp->bio_error = error; 1696 bp->bio_resid = bp->bio_bcount; 1697 bp->bio_flags |= BIO_ERROR; 1698 } else { 1699 bp->bio_resid = ataio->resid; 1700 bp->bio_error = 0; 1701 if (bp->bio_resid != 0) 1702 bp->bio_flags |= BIO_ERROR; 1703 } 1704 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1705 cam_release_devq(path, 1706 /*relsim_flags*/0, 1707 /*reduction*/0, 1708 /*timeout*/0, 1709 /*getcount_only*/0); 1710 } else { 1711 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1712 panic("REQ_CMP with QFRZN"); 1713 bp->bio_resid = ataio->resid; 1714 if (ataio->resid > 0) 1715 bp->bio_flags |= BIO_ERROR; 1716 } 1717 softc->outstanding_cmds--; 1718 if (softc->outstanding_cmds == 0) 1719 softc->flags |= ADA_FLAG_WENT_IDLE; 1720 if ((ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK) == 1721 ADA_CCB_TRIM) { 1722 struct trim_request *req = 1723 (struct trim_request *)ataio->data_ptr; 1724 int i; 1725 1726 for (i = 1; i < TRIM_MAX_BIOS && req->bps[i]; i++) { 1727 struct bio *bp1 = req->bps[i]; 1728 1729 bp1->bio_resid = bp->bio_resid; 1730 bp1->bio_error = bp->bio_error; 1731 if (bp->bio_flags & BIO_ERROR) 1732 bp1->bio_flags |= BIO_ERROR; 1733 biodone(bp1); 1734 } 1735 softc->trim_running = 0; 1736 biodone(bp); 1737 adaschedule(periph); 1738 } else 1739 biodone(bp); 1740 break; 1741 } 1742 case ADA_CCB_RAHEAD: 1743 { 1744 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1745 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1746 out: 1747 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1748 cam_release_devq(path, 0, 0, 0, FALSE); 1749 return; 1750 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1751 cam_release_devq(path, 1752 /*relsim_flags*/0, 1753 /*reduction*/0, 1754 /*timeout*/0, 1755 /*getcount_only*/0); 1756 } 1757 } 1758 1759 /* 1760 * Since our peripheral may be invalidated by an error 1761 * above or an external event, we must release our CCB 1762 * before releasing the reference on the peripheral. 1763 * The peripheral will only go away once the last reference 1764 * is removed, and we need it around for the CCB release 1765 * operation. 1766 */ 1767 cgd = (struct ccb_getdev *)done_ccb; 1768 xpt_setup_ccb(&cgd->ccb_h, path, CAM_PRIORITY_NORMAL); 1769 cgd->ccb_h.func_code = XPT_GDEV_TYPE; 1770 xpt_action((union ccb *)cgd); 1771 if (ADA_WC >= 0 && 1772 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1773 softc->state = ADA_STATE_WCACHE; 1774 xpt_release_ccb(done_ccb); 1775 xpt_schedule(periph, CAM_PRIORITY_DEV); 1776 goto out; 1777 } 1778 softc->state = ADA_STATE_NORMAL; 1779 xpt_release_ccb(done_ccb); 1780 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1781 cam_release_devq(path, 0, 0, 0, FALSE); 1782 adaschedule(periph); 1783 cam_periph_release_locked(periph); 1784 return; 1785 } 1786 case ADA_CCB_WCACHE: 1787 { 1788 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1789 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1790 goto out; 1791 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1792 cam_release_devq(path, 1793 /*relsim_flags*/0, 1794 /*reduction*/0, 1795 /*timeout*/0, 1796 /*getcount_only*/0); 1797 } 1798 } 1799 1800 softc->state = ADA_STATE_NORMAL; 1801 /* 1802 * Since our peripheral may be invalidated by an error 1803 * above or an external event, we must release our CCB 1804 * before releasing the reference on the peripheral. 1805 * The peripheral will only go away once the last reference 1806 * is removed, and we need it around for the CCB release 1807 * operation. 1808 */ 1809 xpt_release_ccb(done_ccb); 1810 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1811 cam_release_devq(path, 0, 0, 0, FALSE); 1812 adaschedule(periph); 1813 cam_periph_release_locked(periph); 1814 return; 1815 } 1816 case ADA_CCB_WAITING: 1817 { 1818 /* Caller will release the CCB */ 1819 wakeup(&done_ccb->ccb_h.cbfcnp); 1820 return; 1821 } 1822 case ADA_CCB_DUMP: 1823 /* No-op. We're polling */ 1824 return; 1825 default: 1826 break; 1827 } 1828 xpt_release_ccb(done_ccb); 1829 } 1830 1831 static int 1832 adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1833 { 1834 1835 return(cam_periph_error(ccb, cam_flags, sense_flags, NULL)); 1836 } 1837 1838 static void 1839 adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd) 1840 { 1841 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1842 struct disk_params *dp = &softc->params; 1843 u_int64_t lbasize48; 1844 u_int32_t lbasize; 1845 1846 dp->secsize = ata_logical_sector_size(&cgd->ident_data); 1847 if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) && 1848 cgd->ident_data.current_heads && cgd->ident_data.current_sectors) { 1849 dp->heads = cgd->ident_data.current_heads; 1850 dp->secs_per_track = cgd->ident_data.current_sectors; 1851 dp->cylinders = cgd->ident_data.cylinders; 1852 dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 | 1853 ((u_int32_t)cgd->ident_data.current_size_2 << 16); 1854 } else { 1855 dp->heads = cgd->ident_data.heads; 1856 dp->secs_per_track = cgd->ident_data.sectors; 1857 dp->cylinders = cgd->ident_data.cylinders; 1858 dp->sectors = cgd->ident_data.cylinders * dp->heads * dp->secs_per_track; 1859 } 1860 lbasize = (u_int32_t)cgd->ident_data.lba_size_1 | 1861 ((u_int32_t)cgd->ident_data.lba_size_2 << 16); 1862 1863 /* use the 28bit LBA size if valid or bigger than the CHS mapping */ 1864 if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize) 1865 dp->sectors = lbasize; 1866 1867 /* use the 48bit LBA size if valid */ 1868 lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) | 1869 ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) | 1870 ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) | 1871 ((u_int64_t)cgd->ident_data.lba_size48_4 << 48); 1872 if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) && 1873 lbasize48 > ATA_MAX_28BIT_LBA) 1874 dp->sectors = lbasize48; 1875 } 1876 1877 static void 1878 adasendorderedtag(void *arg) 1879 { 1880 struct ada_softc *softc = arg; 1881 1882 if (ada_send_ordered) { 1883 if ((softc->ordered_tag_count == 0) 1884 && ((softc->flags & ADA_FLAG_WENT_IDLE) == 0)) { 1885 softc->flags |= ADA_FLAG_NEED_OTAG; 1886 } 1887 if (softc->outstanding_cmds > 0) 1888 softc->flags &= ~ADA_FLAG_WENT_IDLE; 1889 1890 softc->ordered_tag_count = 0; 1891 } 1892 /* Queue us up again */ 1893 callout_reset(&softc->sendordered_c, 1894 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1895 adasendorderedtag, softc); 1896 } 1897 1898 /* 1899 * Step through all ADA peripheral drivers, and if the device is still open, 1900 * sync the disk cache to physical media. 1901 */ 1902 static void 1903 adaflush(void) 1904 { 1905 struct cam_periph *periph; 1906 struct ada_softc *softc; 1907 union ccb *ccb; 1908 int error; 1909 1910 CAM_PERIPH_FOREACH(periph, &adadriver) { 1911 softc = (struct ada_softc *)periph->softc; 1912 if (SCHEDULER_STOPPED()) { 1913 /* If we paniced with the lock held, do not recurse. */ 1914 if (!cam_periph_owned(periph) && 1915 (softc->flags & ADA_FLAG_OPEN)) { 1916 adadump(softc->disk, NULL, 0, 0, 0); 1917 } 1918 continue; 1919 } 1920 cam_periph_lock(periph); 1921 /* 1922 * We only sync the cache if the drive is still open, and 1923 * if the drive is capable of it.. 1924 */ 1925 if (((softc->flags & ADA_FLAG_OPEN) == 0) || 1926 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) { 1927 cam_periph_unlock(periph); 1928 continue; 1929 } 1930 1931 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1932 cam_fill_ataio(&ccb->ataio, 1933 0, 1934 adadone, 1935 CAM_DIR_NONE, 1936 0, 1937 NULL, 1938 0, 1939 ada_default_timeout*1000); 1940 if (softc->flags & ADA_FLAG_CAN_48BIT) 1941 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1942 else 1943 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 1944 1945 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 1946 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 1947 softc->disk->d_devstat); 1948 if (error != 0) 1949 xpt_print(periph->path, "Synchronize cache failed\n"); 1950 xpt_release_ccb(ccb); 1951 cam_periph_unlock(periph); 1952 } 1953 } 1954 1955 static void 1956 adaspindown(uint8_t cmd, int flags) 1957 { 1958 struct cam_periph *periph; 1959 struct ada_softc *softc; 1960 union ccb *ccb; 1961 int error; 1962 1963 CAM_PERIPH_FOREACH(periph, &adadriver) { 1964 /* If we paniced with lock held - not recurse here. */ 1965 if (cam_periph_owned(periph)) 1966 continue; 1967 cam_periph_lock(periph); 1968 softc = (struct ada_softc *)periph->softc; 1969 /* 1970 * We only spin-down the drive if it is capable of it.. 1971 */ 1972 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 1973 cam_periph_unlock(periph); 1974 continue; 1975 } 1976 1977 if (bootverbose) 1978 xpt_print(periph->path, "spin-down\n"); 1979 1980 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1981 cam_fill_ataio(&ccb->ataio, 1982 0, 1983 adadone, 1984 CAM_DIR_NONE | flags, 1985 0, 1986 NULL, 1987 0, 1988 ada_default_timeout*1000); 1989 ata_28bit_cmd(&ccb->ataio, cmd, 0, 0, 0); 1990 1991 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 1992 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 1993 softc->disk->d_devstat); 1994 if (error != 0) 1995 xpt_print(periph->path, "Spin-down disk failed\n"); 1996 xpt_release_ccb(ccb); 1997 cam_periph_unlock(periph); 1998 } 1999 } 2000 2001 static void 2002 adashutdown(void *arg, int howto) 2003 { 2004 2005 adaflush(); 2006 if (ada_spindown_shutdown != 0 && 2007 (howto & (RB_HALT | RB_POWEROFF)) != 0) 2008 adaspindown(ATA_STANDBY_IMMEDIATE, 0); 2009 } 2010 2011 static void 2012 adasuspend(void *arg) 2013 { 2014 2015 adaflush(); 2016 if (ada_spindown_suspend != 0) 2017 adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE); 2018 } 2019 2020 static void 2021 adaresume(void *arg) 2022 { 2023 struct cam_periph *periph; 2024 struct ada_softc *softc; 2025 2026 if (ada_spindown_suspend == 0) 2027 return; 2028 2029 CAM_PERIPH_FOREACH(periph, &adadriver) { 2030 cam_periph_lock(periph); 2031 softc = (struct ada_softc *)periph->softc; 2032 /* 2033 * We only spin-down the drive if it is capable of it.. 2034 */ 2035 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2036 cam_periph_unlock(periph); 2037 continue; 2038 } 2039 2040 if (bootverbose) 2041 xpt_print(periph->path, "resume\n"); 2042 2043 /* 2044 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on 2045 * sleep request. 2046 */ 2047 cam_release_devq(periph->path, 2048 /*relsim_flags*/0, 2049 /*openings*/0, 2050 /*timeout*/0, 2051 /*getcount_only*/0); 2052 2053 cam_periph_unlock(periph); 2054 } 2055 } 2056 2057 #endif /* _KERNEL */ 2058