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/reboot.h> 48 #include <geom/geom_disk.h> 49 #endif /* _KERNEL */ 50 51 #ifndef _KERNEL 52 #include <stdio.h> 53 #include <string.h> 54 #endif /* _KERNEL */ 55 56 #include <cam/cam.h> 57 #include <cam/cam_ccb.h> 58 #include <cam/cam_periph.h> 59 #include <cam/cam_xpt_periph.h> 60 #include <cam/cam_sim.h> 61 62 #include <cam/ata/ata_all.h> 63 64 #include <machine/md_var.h> /* geometry translation */ 65 66 #ifdef _KERNEL 67 68 #define ATA_MAX_28BIT_LBA 268435455UL 69 70 typedef enum { 71 ADA_STATE_RAHEAD, 72 ADA_STATE_WCACHE, 73 ADA_STATE_NORMAL 74 } ada_state; 75 76 typedef enum { 77 ADA_FLAG_CAN_48BIT = 0x0002, 78 ADA_FLAG_CAN_FLUSHCACHE = 0x0004, 79 ADA_FLAG_CAN_NCQ = 0x0008, 80 ADA_FLAG_CAN_DMA = 0x0010, 81 ADA_FLAG_NEED_OTAG = 0x0020, 82 ADA_FLAG_WENT_IDLE = 0x0040, 83 ADA_FLAG_CAN_TRIM = 0x0080, 84 ADA_FLAG_OPEN = 0x0100, 85 ADA_FLAG_SCTX_INIT = 0x0200, 86 ADA_FLAG_CAN_CFA = 0x0400, 87 ADA_FLAG_CAN_POWERMGT = 0x0800, 88 ADA_FLAG_CAN_DMA48 = 0x1000 89 } ada_flags; 90 91 typedef enum { 92 ADA_Q_NONE = 0x00, 93 ADA_Q_4K = 0x01, 94 } ada_quirks; 95 96 #define ADA_Q_BIT_STRING \ 97 "\020" \ 98 "\0014K" 99 100 typedef enum { 101 ADA_CCB_RAHEAD = 0x01, 102 ADA_CCB_WCACHE = 0x02, 103 ADA_CCB_BUFFER_IO = 0x03, 104 ADA_CCB_WAITING = 0x04, 105 ADA_CCB_DUMP = 0x05, 106 ADA_CCB_TRIM = 0x06, 107 ADA_CCB_TYPE_MASK = 0x0F, 108 } ada_ccb_state; 109 110 /* Offsets into our private area for storing information */ 111 #define ccb_state ppriv_field0 112 #define ccb_bp ppriv_ptr1 113 114 struct disk_params { 115 u_int8_t heads; 116 u_int8_t secs_per_track; 117 u_int32_t cylinders; 118 u_int32_t secsize; /* Number of bytes/logical sector */ 119 u_int64_t sectors; /* Total number sectors */ 120 }; 121 122 #define TRIM_MAX_BLOCKS 8 123 #define TRIM_MAX_RANGES (TRIM_MAX_BLOCKS * ATA_DSM_BLK_RANGES) 124 #define TRIM_MAX_BIOS (TRIM_MAX_RANGES * 4) 125 struct trim_request { 126 uint8_t data[TRIM_MAX_RANGES * ATA_DSM_RANGE_SIZE]; 127 struct bio *bps[TRIM_MAX_BIOS]; 128 }; 129 130 struct ada_softc { 131 struct bio_queue_head bio_queue; 132 struct bio_queue_head trim_queue; 133 ada_state state; 134 ada_flags flags; 135 ada_quirks quirks; 136 int sort_io_queue; 137 int ordered_tag_count; 138 int outstanding_cmds; 139 int trim_max_ranges; 140 int trim_running; 141 int read_ahead; 142 int write_cache; 143 #ifdef ADA_TEST_FAILURE 144 int force_read_error; 145 int force_write_error; 146 int periodic_read_error; 147 int periodic_read_count; 148 #endif 149 struct disk_params params; 150 struct disk *disk; 151 struct task sysctl_task; 152 struct sysctl_ctx_list sysctl_ctx; 153 struct sysctl_oid *sysctl_tree; 154 struct callout sendordered_c; 155 struct trim_request trim_req; 156 }; 157 158 struct ada_quirk_entry { 159 struct scsi_inquiry_pattern inq_pat; 160 ada_quirks quirks; 161 }; 162 163 static struct ada_quirk_entry ada_quirk_table[] = 164 { 165 { 166 /* Hitachi Advanced Format (4k) drives */ 167 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Hitachi H??????????E3*", "*" }, 168 /*quirks*/ADA_Q_4K 169 }, 170 { 171 /* Samsung Advanced Format (4k) drives */ 172 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD155UI*", "*" }, 173 /*quirks*/ADA_Q_4K 174 }, 175 { 176 /* Samsung Advanced Format (4k) drives */ 177 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD204UI*", "*" }, 178 /*quirks*/ADA_Q_4K 179 }, 180 { 181 /* Seagate Barracuda Green Advanced Format (4k) drives */ 182 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DL*", "*" }, 183 /*quirks*/ADA_Q_4K 184 }, 185 { 186 /* Seagate Barracuda Advanced Format (4k) drives */ 187 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???DM*", "*" }, 188 /*quirks*/ADA_Q_4K 189 }, 190 { 191 /* Seagate Barracuda Advanced Format (4k) drives */ 192 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DM*", "*" }, 193 /*quirks*/ADA_Q_4K 194 }, 195 { 196 /* Seagate Momentus Advanced Format (4k) drives */ 197 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500423AS*", "*" }, 198 /*quirks*/ADA_Q_4K 199 }, 200 { 201 /* Seagate Momentus Advanced Format (4k) drives */ 202 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500424AS*", "*" }, 203 /*quirks*/ADA_Q_4K 204 }, 205 { 206 /* Seagate Momentus Advanced Format (4k) drives */ 207 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640423AS*", "*" }, 208 /*quirks*/ADA_Q_4K 209 }, 210 { 211 /* Seagate Momentus Advanced Format (4k) drives */ 212 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640424AS*", "*" }, 213 /*quirks*/ADA_Q_4K 214 }, 215 { 216 /* Seagate Momentus Advanced Format (4k) drives */ 217 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750420AS*", "*" }, 218 /*quirks*/ADA_Q_4K 219 }, 220 { 221 /* Seagate Momentus Advanced Format (4k) drives */ 222 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750422AS*", "*" }, 223 /*quirks*/ADA_Q_4K 224 }, 225 { 226 /* Seagate Momentus Advanced Format (4k) drives */ 227 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750423AS*", "*" }, 228 /*quirks*/ADA_Q_4K 229 }, 230 { 231 /* Seagate Momentus Thin Advanced Format (4k) drives */ 232 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???LT*", "*" }, 233 /*quirks*/ADA_Q_4K 234 }, 235 { 236 /* WDC Caviar Green Advanced Format (4k) drives */ 237 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RS*", "*" }, 238 /*quirks*/ADA_Q_4K 239 }, 240 { 241 /* WDC Caviar Green Advanced Format (4k) drives */ 242 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RX*", "*" }, 243 /*quirks*/ADA_Q_4K 244 }, 245 { 246 /* WDC Caviar Green Advanced Format (4k) drives */ 247 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RS*", "*" }, 248 /*quirks*/ADA_Q_4K 249 }, 250 { 251 /* WDC Caviar Green Advanced Format (4k) drives */ 252 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RX*", "*" }, 253 /*quirks*/ADA_Q_4K 254 }, 255 { 256 /* WDC Scorpio Black Advanced Format (4k) drives */ 257 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PKT*", "*" }, 258 /*quirks*/ADA_Q_4K 259 }, 260 { 261 /* WDC Scorpio Black Advanced Format (4k) drives */ 262 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PKT*", "*" }, 263 /*quirks*/ADA_Q_4K 264 }, 265 { 266 /* WDC Scorpio Blue Advanced Format (4k) drives */ 267 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PVT*", "*" }, 268 /*quirks*/ADA_Q_4K 269 }, 270 { 271 /* WDC Scorpio Blue Advanced Format (4k) drives */ 272 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PVT*", "*" }, 273 /*quirks*/ADA_Q_4K 274 }, 275 /* SSDs */ 276 { 277 /* 278 * Corsair Force 2 SSDs 279 * 4k optimised & trim only works in 4k requests + 4k aligned 280 */ 281 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair CSSD-F*", "*" }, 282 /*quirks*/ADA_Q_4K 283 }, 284 { 285 /* 286 * Corsair Force 3 SSDs 287 * 4k optimised & trim only works in 4k requests + 4k aligned 288 */ 289 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force 3*", "*" }, 290 /*quirks*/ADA_Q_4K 291 }, 292 { 293 /* 294 * Corsair Force GT SSDs 295 * 4k optimised & trim only works in 4k requests + 4k aligned 296 */ 297 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force GT*", "*" }, 298 /*quirks*/ADA_Q_4K 299 }, 300 { 301 /* 302 * Crucial M4 SSDs 303 * 4k optimised & trim only works in 4k requests + 4k aligned 304 */ 305 { T_DIRECT, SIP_MEDIA_FIXED, "*", "M4-CT???M4SSD2*", "*" }, 306 /*quirks*/ADA_Q_4K 307 }, 308 { 309 /* 310 * Crucial RealSSD C300 SSDs 311 * 4k optimised 312 */ 313 { T_DIRECT, SIP_MEDIA_FIXED, "*", "C300-CTFDDAC???MAG*", 314 "*" }, /*quirks*/ADA_Q_4K 315 }, 316 { 317 /* 318 * Intel 320 Series SSDs 319 * 4k optimised & trim only works in 4k requests + 4k aligned 320 */ 321 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2CW*", "*" }, 322 /*quirks*/ADA_Q_4K 323 }, 324 { 325 /* 326 * Intel 330 Series SSDs 327 * 4k optimised & trim only works in 4k requests + 4k aligned 328 */ 329 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2CT*", "*" }, 330 /*quirks*/ADA_Q_4K 331 }, 332 { 333 /* 334 * Intel 510 Series SSDs 335 * 4k optimised & trim only works in 4k requests + 4k aligned 336 */ 337 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2MH*", "*" }, 338 /*quirks*/ADA_Q_4K 339 }, 340 { 341 /* 342 * Intel 520 Series SSDs 343 * 4k optimised & trim only works in 4k requests + 4k aligned 344 */ 345 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2BW*", "*" }, 346 /*quirks*/ADA_Q_4K 347 }, 348 { 349 /* 350 * Kingston E100 Series SSDs 351 * 4k optimised & trim only works in 4k requests + 4k aligned 352 */ 353 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SE100S3*", "*" }, 354 /*quirks*/ADA_Q_4K 355 }, 356 { 357 /* 358 * Kingston HyperX 3k SSDs 359 * 4k optimised & trim only works in 4k requests + 4k aligned 360 */ 361 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SH103S3*", "*" }, 362 /*quirks*/ADA_Q_4K 363 }, 364 { 365 /* 366 * OCZ Agility 3 SSDs 367 * 4k optimised & trim only works in 4k requests + 4k aligned 368 */ 369 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY3*", "*" }, 370 /*quirks*/ADA_Q_4K 371 }, 372 { 373 /* 374 * OCZ Deneva R Series SSDs 375 * 4k optimised & trim only works in 4k requests + 4k aligned 376 */ 377 { T_DIRECT, SIP_MEDIA_FIXED, "*", "DENRSTE251M45*", "*" }, 378 /*quirks*/ADA_Q_4K 379 }, 380 { 381 /* 382 * OCZ Vertex 2 SSDs (inc pro series) 383 * 4k optimised & trim only works in 4k requests + 4k aligned 384 */ 385 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ?VERTEX2*", "*" }, 386 /*quirks*/ADA_Q_4K 387 }, 388 { 389 /* 390 * OCZ Vertex 3 SSDs 391 * 4k optimised & trim only works in 4k requests + 4k aligned 392 */ 393 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX3*", "*" }, 394 /*quirks*/ADA_Q_4K 395 }, 396 { 397 /* 398 * Samsung 830 Series SSDs 399 * 4k optimised 400 */ 401 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG SSD 830 Series*", "*" }, 402 /*quirks*/ADA_Q_4K 403 }, 404 { 405 /* 406 * SuperTalent TeraDrive CT SSDs 407 * 4k optimised & trim only works in 4k requests + 4k aligned 408 */ 409 { T_DIRECT, SIP_MEDIA_FIXED, "*", "FTM??CT25H*", "*" }, 410 /*quirks*/ADA_Q_4K 411 }, 412 { 413 /* 414 * XceedIOPS SATA SSDs 415 * 4k optimised 416 */ 417 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SG9XCS2D*", "*" }, 418 /*quirks*/ADA_Q_4K 419 }, 420 { 421 /* Default */ 422 { 423 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 424 /*vendor*/"*", /*product*/"*", /*revision*/"*" 425 }, 426 /*quirks*/0 427 }, 428 }; 429 430 static disk_strategy_t adastrategy; 431 static dumper_t adadump; 432 static periph_init_t adainit; 433 static void adaasync(void *callback_arg, u_int32_t code, 434 struct cam_path *path, void *arg); 435 static void adasysctlinit(void *context, int pending); 436 static periph_ctor_t adaregister; 437 static periph_dtor_t adacleanup; 438 static periph_start_t adastart; 439 static periph_oninv_t adaoninvalidate; 440 static void adadone(struct cam_periph *periph, 441 union ccb *done_ccb); 442 static int adaerror(union ccb *ccb, u_int32_t cam_flags, 443 u_int32_t sense_flags); 444 static void adagetparams(struct cam_periph *periph, 445 struct ccb_getdev *cgd); 446 static timeout_t adasendorderedtag; 447 static void adashutdown(void *arg, int howto); 448 static void adasuspend(void *arg); 449 static void adaresume(void *arg); 450 451 #ifndef ADA_DEFAULT_LEGACY_ALIASES 452 #define ADA_DEFAULT_LEGACY_ALIASES 1 453 #endif 454 455 #ifndef ADA_DEFAULT_TIMEOUT 456 #define ADA_DEFAULT_TIMEOUT 30 /* Timeout in seconds */ 457 #endif 458 459 #ifndef ADA_DEFAULT_RETRY 460 #define ADA_DEFAULT_RETRY 4 461 #endif 462 463 #ifndef ADA_DEFAULT_SEND_ORDERED 464 #define ADA_DEFAULT_SEND_ORDERED 1 465 #endif 466 467 #ifndef ADA_DEFAULT_SPINDOWN_SHUTDOWN 468 #define ADA_DEFAULT_SPINDOWN_SHUTDOWN 1 469 #endif 470 471 #ifndef ADA_DEFAULT_SPINDOWN_SUSPEND 472 #define ADA_DEFAULT_SPINDOWN_SUSPEND 1 473 #endif 474 475 #ifndef ADA_DEFAULT_READ_AHEAD 476 #define ADA_DEFAULT_READ_AHEAD 1 477 #endif 478 479 #ifndef ADA_DEFAULT_WRITE_CACHE 480 #define ADA_DEFAULT_WRITE_CACHE 1 481 #endif 482 483 #define ADA_RA (softc->read_ahead >= 0 ? \ 484 softc->read_ahead : ada_read_ahead) 485 #define ADA_WC (softc->write_cache >= 0 ? \ 486 softc->write_cache : ada_write_cache) 487 #define ADA_SIO (softc->sort_io_queue >= 0 ? \ 488 softc->sort_io_queue : cam_sort_io_queues) 489 490 /* 491 * Most platforms map firmware geometry to actual, but some don't. If 492 * not overridden, default to nothing. 493 */ 494 #ifndef ata_disk_firmware_geom_adjust 495 #define ata_disk_firmware_geom_adjust(disk) 496 #endif 497 498 static int ada_legacy_aliases = ADA_DEFAULT_LEGACY_ALIASES; 499 static int ada_retry_count = ADA_DEFAULT_RETRY; 500 static int ada_default_timeout = ADA_DEFAULT_TIMEOUT; 501 static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED; 502 static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN; 503 static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND; 504 static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD; 505 static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE; 506 507 static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD, 0, 508 "CAM Direct Access Disk driver"); 509 SYSCTL_INT(_kern_cam_ada, OID_AUTO, legacy_aliases, CTLFLAG_RW, 510 &ada_legacy_aliases, 0, "Create legacy-like device aliases"); 511 TUNABLE_INT("kern.cam.ada.legacy_aliases", &ada_legacy_aliases); 512 SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RW, 513 &ada_retry_count, 0, "Normal I/O retry count"); 514 TUNABLE_INT("kern.cam.ada.retry_count", &ada_retry_count); 515 SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RW, 516 &ada_default_timeout, 0, "Normal I/O timeout (in seconds)"); 517 TUNABLE_INT("kern.cam.ada.default_timeout", &ada_default_timeout); 518 SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RW, 519 &ada_send_ordered, 0, "Send Ordered Tags"); 520 TUNABLE_INT("kern.cam.ada.send_ordered", &ada_send_ordered); 521 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RW, 522 &ada_spindown_shutdown, 0, "Spin down upon shutdown"); 523 TUNABLE_INT("kern.cam.ada.spindown_shutdown", &ada_spindown_shutdown); 524 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RW, 525 &ada_spindown_suspend, 0, "Spin down upon suspend"); 526 TUNABLE_INT("kern.cam.ada.spindown_suspend", &ada_spindown_suspend); 527 SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RW, 528 &ada_read_ahead, 0, "Enable disk read-ahead"); 529 TUNABLE_INT("kern.cam.ada.read_ahead", &ada_read_ahead); 530 SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RW, 531 &ada_write_cache, 0, "Enable disk write cache"); 532 TUNABLE_INT("kern.cam.ada.write_cache", &ada_write_cache); 533 534 /* 535 * ADA_ORDEREDTAG_INTERVAL determines how often, relative 536 * to the default timeout, we check to see whether an ordered 537 * tagged transaction is appropriate to prevent simple tag 538 * starvation. Since we'd like to ensure that there is at least 539 * 1/2 of the timeout length left for a starved transaction to 540 * complete after we've sent an ordered tag, we must poll at least 541 * four times in every timeout period. This takes care of the worst 542 * case where a starved transaction starts during an interval that 543 * meets the requirement "don't send an ordered tag" test so it takes 544 * us two intervals to determine that a tag must be sent. 545 */ 546 #ifndef ADA_ORDEREDTAG_INTERVAL 547 #define ADA_ORDEREDTAG_INTERVAL 4 548 #endif 549 550 static struct periph_driver adadriver = 551 { 552 adainit, "ada", 553 TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0 554 }; 555 556 PERIPHDRIVER_DECLARE(ada, adadriver); 557 558 static MALLOC_DEFINE(M_ATADA, "ata_da", "ata_da buffers"); 559 560 static int 561 adaopen(struct disk *dp) 562 { 563 struct cam_periph *periph; 564 struct ada_softc *softc; 565 int error; 566 567 periph = (struct cam_periph *)dp->d_drv1; 568 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 569 return(ENXIO); 570 } 571 572 cam_periph_lock(periph); 573 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 574 cam_periph_unlock(periph); 575 cam_periph_release(periph); 576 return (error); 577 } 578 579 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 580 ("adaopen\n")); 581 582 softc = (struct ada_softc *)periph->softc; 583 softc->flags |= ADA_FLAG_OPEN; 584 585 cam_periph_unhold(periph); 586 cam_periph_unlock(periph); 587 return (0); 588 } 589 590 static int 591 adaclose(struct disk *dp) 592 { 593 struct cam_periph *periph; 594 struct ada_softc *softc; 595 union ccb *ccb; 596 597 periph = (struct cam_periph *)dp->d_drv1; 598 cam_periph_lock(periph); 599 if (cam_periph_hold(periph, PRIBIO) != 0) { 600 cam_periph_unlock(periph); 601 cam_periph_release(periph); 602 return (0); 603 } 604 605 softc = (struct ada_softc *)periph->softc; 606 607 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 608 ("adaclose\n")); 609 610 /* We only sync the cache if the drive is capable of it. */ 611 if ((softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 && 612 (periph->flags & CAM_PERIPH_INVALID) == 0) { 613 614 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 615 cam_fill_ataio(&ccb->ataio, 616 1, 617 adadone, 618 CAM_DIR_NONE, 619 0, 620 NULL, 621 0, 622 ada_default_timeout*1000); 623 624 if (softc->flags & ADA_FLAG_CAN_48BIT) 625 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 626 else 627 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 628 cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 629 /*sense_flags*/0, softc->disk->d_devstat); 630 631 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 632 xpt_print(periph->path, "Synchronize cache failed\n"); 633 xpt_release_ccb(ccb); 634 } 635 636 softc->flags &= ~ADA_FLAG_OPEN; 637 cam_periph_unhold(periph); 638 cam_periph_unlock(periph); 639 cam_periph_release(periph); 640 return (0); 641 } 642 643 static void 644 adaschedule(struct cam_periph *periph) 645 { 646 struct ada_softc *softc = (struct ada_softc *)periph->softc; 647 uint32_t prio; 648 649 if (softc->state != ADA_STATE_NORMAL) 650 return; 651 652 /* Check if cam_periph_getccb() was called. */ 653 prio = periph->immediate_priority; 654 655 /* Check if we have more work to do. */ 656 if (bioq_first(&softc->bio_queue) || 657 (!softc->trim_running && bioq_first(&softc->trim_queue))) { 658 prio = CAM_PRIORITY_NORMAL; 659 } 660 661 /* Schedule CCB if any of above is true. */ 662 if (prio != CAM_PRIORITY_NONE) 663 xpt_schedule(periph, prio); 664 } 665 666 /* 667 * Actually translate the requested transfer into one the physical driver 668 * can understand. The transfer is described by a buf and will include 669 * only one physical transfer. 670 */ 671 static void 672 adastrategy(struct bio *bp) 673 { 674 struct cam_periph *periph; 675 struct ada_softc *softc; 676 677 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 678 softc = (struct ada_softc *)periph->softc; 679 680 cam_periph_lock(periph); 681 682 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp)); 683 684 /* 685 * If the device has been made invalid, error out 686 */ 687 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 688 cam_periph_unlock(periph); 689 biofinish(bp, NULL, ENXIO); 690 return; 691 } 692 693 /* 694 * Place it in the queue of disk activities for this disk 695 */ 696 if (bp->bio_cmd == BIO_DELETE && 697 (softc->flags & ADA_FLAG_CAN_TRIM)) { 698 if (ADA_SIO) 699 bioq_disksort(&softc->trim_queue, bp); 700 else 701 bioq_insert_tail(&softc->trim_queue, bp); 702 } else { 703 if (ADA_SIO) 704 bioq_disksort(&softc->bio_queue, bp); 705 else 706 bioq_insert_tail(&softc->bio_queue, bp); 707 } 708 709 /* 710 * Schedule ourselves for performing the work. 711 */ 712 adaschedule(periph); 713 cam_periph_unlock(periph); 714 715 return; 716 } 717 718 static int 719 adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 720 { 721 struct cam_periph *periph; 722 struct ada_softc *softc; 723 u_int secsize; 724 union ccb ccb; 725 struct disk *dp; 726 uint64_t lba; 727 uint16_t count; 728 int error = 0; 729 730 dp = arg; 731 periph = dp->d_drv1; 732 softc = (struct ada_softc *)periph->softc; 733 cam_periph_lock(periph); 734 secsize = softc->params.secsize; 735 lba = offset / secsize; 736 count = length / secsize; 737 738 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 739 cam_periph_unlock(periph); 740 return (ENXIO); 741 } 742 743 if (length > 0) { 744 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 745 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 746 cam_fill_ataio(&ccb.ataio, 747 0, 748 adadone, 749 CAM_DIR_OUT, 750 0, 751 (u_int8_t *) virtual, 752 length, 753 ada_default_timeout*1000); 754 if ((softc->flags & ADA_FLAG_CAN_48BIT) && 755 (lba + count >= ATA_MAX_28BIT_LBA || 756 count >= 256)) { 757 ata_48bit_cmd(&ccb.ataio, ATA_WRITE_DMA48, 758 0, lba, count); 759 } else { 760 ata_28bit_cmd(&ccb.ataio, ATA_WRITE_DMA, 761 0, lba, count); 762 } 763 xpt_polled_action(&ccb); 764 765 error = cam_periph_error(&ccb, 766 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 767 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 768 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 769 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 770 if (error != 0) 771 printf("Aborting dump due to I/O error.\n"); 772 773 cam_periph_unlock(periph); 774 return (error); 775 } 776 777 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { 778 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 779 780 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 781 cam_fill_ataio(&ccb.ataio, 782 0, 783 adadone, 784 CAM_DIR_NONE, 785 0, 786 NULL, 787 0, 788 ada_default_timeout*1000); 789 790 if (softc->flags & ADA_FLAG_CAN_48BIT) 791 ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); 792 else 793 ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); 794 xpt_polled_action(&ccb); 795 796 error = cam_periph_error(&ccb, 797 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 798 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 799 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 800 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 801 if (error != 0) 802 xpt_print(periph->path, "Synchronize cache failed\n"); 803 } 804 cam_periph_unlock(periph); 805 return (error); 806 } 807 808 static void 809 adainit(void) 810 { 811 cam_status status; 812 813 /* 814 * Install a global async callback. This callback will 815 * receive async callbacks like "new device found". 816 */ 817 status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL); 818 819 if (status != CAM_REQ_CMP) { 820 printf("ada: Failed to attach master async callback " 821 "due to status 0x%x!\n", status); 822 } else if (ada_send_ordered) { 823 824 /* Register our event handlers */ 825 if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend, 826 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 827 printf("adainit: power event registration failed!\n"); 828 if ((EVENTHANDLER_REGISTER(power_resume, adaresume, 829 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 830 printf("adainit: power event registration failed!\n"); 831 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown, 832 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 833 printf("adainit: shutdown event registration failed!\n"); 834 } 835 } 836 837 /* 838 * Callback from GEOM, called when it has finished cleaning up its 839 * resources. 840 */ 841 static void 842 adadiskgonecb(struct disk *dp) 843 { 844 struct cam_periph *periph; 845 846 periph = (struct cam_periph *)dp->d_drv1; 847 848 cam_periph_release(periph); 849 } 850 851 static void 852 adaoninvalidate(struct cam_periph *periph) 853 { 854 struct ada_softc *softc; 855 856 softc = (struct ada_softc *)periph->softc; 857 858 /* 859 * De-register any async callbacks. 860 */ 861 xpt_register_async(0, adaasync, periph, periph->path); 862 863 /* 864 * Return all queued I/O with ENXIO. 865 * XXX Handle any transactions queued to the card 866 * with XPT_ABORT_CCB. 867 */ 868 bioq_flush(&softc->bio_queue, NULL, ENXIO); 869 bioq_flush(&softc->trim_queue, NULL, ENXIO); 870 871 disk_gone(softc->disk); 872 xpt_print(periph->path, "lost device\n"); 873 } 874 875 static void 876 adacleanup(struct cam_periph *periph) 877 { 878 struct ada_softc *softc; 879 880 softc = (struct ada_softc *)periph->softc; 881 882 xpt_print(periph->path, "removing device entry\n"); 883 cam_periph_unlock(periph); 884 885 /* 886 * If we can't free the sysctl tree, oh well... 887 */ 888 if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0 889 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 890 xpt_print(periph->path, "can't remove sysctl context\n"); 891 } 892 893 disk_destroy(softc->disk); 894 callout_drain(&softc->sendordered_c); 895 free(softc, M_DEVBUF); 896 cam_periph_lock(periph); 897 } 898 899 static void 900 adaasync(void *callback_arg, u_int32_t code, 901 struct cam_path *path, void *arg) 902 { 903 struct ccb_getdev cgd; 904 struct cam_periph *periph; 905 struct ada_softc *softc; 906 907 periph = (struct cam_periph *)callback_arg; 908 switch (code) { 909 case AC_FOUND_DEVICE: 910 { 911 struct ccb_getdev *cgd; 912 cam_status status; 913 914 cgd = (struct ccb_getdev *)arg; 915 if (cgd == NULL) 916 break; 917 918 if (cgd->protocol != PROTO_ATA) 919 break; 920 921 /* 922 * Allocate a peripheral instance for 923 * this device and start the probe 924 * process. 925 */ 926 status = cam_periph_alloc(adaregister, adaoninvalidate, 927 adacleanup, adastart, 928 "ada", CAM_PERIPH_BIO, 929 cgd->ccb_h.path, adaasync, 930 AC_FOUND_DEVICE, cgd); 931 932 if (status != CAM_REQ_CMP 933 && status != CAM_REQ_INPROG) 934 printf("adaasync: Unable to attach to new device " 935 "due to status 0x%x\n", status); 936 break; 937 } 938 case AC_GETDEV_CHANGED: 939 { 940 softc = (struct ada_softc *)periph->softc; 941 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 942 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 943 xpt_action((union ccb *)&cgd); 944 945 if ((cgd.ident_data.capabilities1 & ATA_SUPPORT_DMA) && 946 (cgd.inq_flags & SID_DMA)) 947 softc->flags |= ADA_FLAG_CAN_DMA; 948 else 949 softc->flags &= ~ADA_FLAG_CAN_DMA; 950 if (cgd.ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 951 softc->flags |= ADA_FLAG_CAN_48BIT; 952 if (cgd.inq_flags & SID_DMA48) 953 softc->flags |= ADA_FLAG_CAN_DMA48; 954 else 955 softc->flags &= ~ADA_FLAG_CAN_DMA48; 956 } else 957 softc->flags &= ~(ADA_FLAG_CAN_48BIT | 958 ADA_FLAG_CAN_DMA48); 959 if ((cgd.ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 960 (cgd.inq_flags & SID_DMA) && (cgd.inq_flags & SID_CmdQue)) 961 softc->flags |= ADA_FLAG_CAN_NCQ; 962 else 963 softc->flags &= ~ADA_FLAG_CAN_NCQ; 964 if ((cgd.ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 965 (cgd.inq_flags & SID_DMA)) 966 softc->flags |= ADA_FLAG_CAN_TRIM; 967 else 968 softc->flags &= ~ADA_FLAG_CAN_TRIM; 969 970 cam_periph_async(periph, code, path, arg); 971 break; 972 } 973 case AC_ADVINFO_CHANGED: 974 { 975 uintptr_t buftype; 976 977 buftype = (uintptr_t)arg; 978 if (buftype == CDAI_TYPE_PHYS_PATH) { 979 struct ada_softc *softc; 980 981 softc = periph->softc; 982 disk_attr_changed(softc->disk, "GEOM::physpath", 983 M_NOWAIT); 984 } 985 break; 986 } 987 case AC_SENT_BDR: 988 case AC_BUS_RESET: 989 { 990 softc = (struct ada_softc *)periph->softc; 991 cam_periph_async(periph, code, path, arg); 992 if (softc->state != ADA_STATE_NORMAL) 993 break; 994 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 995 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 996 xpt_action((union ccb *)&cgd); 997 if (ADA_RA >= 0 && 998 cgd.ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) 999 softc->state = ADA_STATE_RAHEAD; 1000 else if (ADA_WC >= 0 && 1001 cgd.ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) 1002 softc->state = ADA_STATE_WCACHE; 1003 else 1004 break; 1005 cam_periph_acquire(periph); 1006 xpt_schedule(periph, CAM_PRIORITY_DEV); 1007 } 1008 default: 1009 cam_periph_async(periph, code, path, arg); 1010 break; 1011 } 1012 } 1013 1014 static void 1015 adasysctlinit(void *context, int pending) 1016 { 1017 struct cam_periph *periph; 1018 struct ada_softc *softc; 1019 char tmpstr[80], tmpstr2[80]; 1020 1021 periph = (struct cam_periph *)context; 1022 1023 /* periph was held for us when this task was enqueued */ 1024 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1025 cam_periph_release(periph); 1026 return; 1027 } 1028 1029 softc = (struct ada_softc *)periph->softc; 1030 snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d", periph->unit_number); 1031 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1032 1033 sysctl_ctx_init(&softc->sysctl_ctx); 1034 softc->flags |= ADA_FLAG_SCTX_INIT; 1035 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1036 SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2, 1037 CTLFLAG_RD, 0, tmpstr); 1038 if (softc->sysctl_tree == NULL) { 1039 printf("adasysctlinit: unable to allocate sysctl tree\n"); 1040 cam_periph_release(periph); 1041 return; 1042 } 1043 1044 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1045 OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE, 1046 &softc->read_ahead, 0, "Enable disk read ahead."); 1047 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1048 OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE, 1049 &softc->write_cache, 0, "Enable disk write cache."); 1050 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1051 OID_AUTO, "sort_io_queue", CTLFLAG_RW | CTLFLAG_MPSAFE, 1052 &softc->sort_io_queue, 0, 1053 "Sort IO queue to try and optimise disk access patterns"); 1054 #ifdef ADA_TEST_FAILURE 1055 /* 1056 * Add a 'door bell' sysctl which allows one to set it from userland 1057 * and cause something bad to happen. For the moment, we only allow 1058 * whacking the next read or write. 1059 */ 1060 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1061 OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1062 &softc->force_read_error, 0, 1063 "Force a read error for the next N reads."); 1064 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1065 OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1066 &softc->force_write_error, 0, 1067 "Force a write error for the next N writes."); 1068 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1069 OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1070 &softc->periodic_read_error, 0, 1071 "Force a read error every N reads (don't set too low)."); 1072 #endif 1073 cam_periph_release(periph); 1074 } 1075 1076 static int 1077 adagetattr(struct bio *bp) 1078 { 1079 int ret; 1080 struct cam_periph *periph; 1081 1082 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1083 cam_periph_lock(periph); 1084 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1085 periph->path); 1086 cam_periph_unlock(periph); 1087 if (ret == 0) 1088 bp->bio_completed = bp->bio_length; 1089 return ret; 1090 } 1091 1092 static cam_status 1093 adaregister(struct cam_periph *periph, void *arg) 1094 { 1095 struct ada_softc *softc; 1096 struct ccb_pathinq cpi; 1097 struct ccb_getdev *cgd; 1098 char announce_buf[80], buf1[32]; 1099 struct disk_params *dp; 1100 caddr_t match; 1101 u_int maxio; 1102 int legacy_id, quirks; 1103 1104 cgd = (struct ccb_getdev *)arg; 1105 if (cgd == NULL) { 1106 printf("adaregister: no getdev CCB, can't register device\n"); 1107 return(CAM_REQ_CMP_ERR); 1108 } 1109 1110 softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF, 1111 M_NOWAIT|M_ZERO); 1112 1113 if (softc == NULL) { 1114 printf("adaregister: Unable to probe new device. " 1115 "Unable to allocate softc\n"); 1116 return(CAM_REQ_CMP_ERR); 1117 } 1118 1119 bioq_init(&softc->bio_queue); 1120 bioq_init(&softc->trim_queue); 1121 1122 if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1123 (cgd->inq_flags & SID_DMA)) 1124 softc->flags |= ADA_FLAG_CAN_DMA; 1125 if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1126 softc->flags |= ADA_FLAG_CAN_48BIT; 1127 if (cgd->inq_flags & SID_DMA48) 1128 softc->flags |= ADA_FLAG_CAN_DMA48; 1129 } 1130 if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE) 1131 softc->flags |= ADA_FLAG_CAN_FLUSHCACHE; 1132 if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT) 1133 softc->flags |= ADA_FLAG_CAN_POWERMGT; 1134 if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1135 (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue)) 1136 softc->flags |= ADA_FLAG_CAN_NCQ; 1137 if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1138 (cgd->inq_flags & SID_DMA)) { 1139 softc->flags |= ADA_FLAG_CAN_TRIM; 1140 softc->trim_max_ranges = TRIM_MAX_RANGES; 1141 if (cgd->ident_data.max_dsm_blocks != 0) { 1142 softc->trim_max_ranges = 1143 min(cgd->ident_data.max_dsm_blocks * 1144 ATA_DSM_BLK_RANGES, softc->trim_max_ranges); 1145 } 1146 } 1147 if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA) 1148 softc->flags |= ADA_FLAG_CAN_CFA; 1149 1150 periph->softc = softc; 1151 1152 /* 1153 * See if this device has any quirks. 1154 */ 1155 match = cam_quirkmatch((caddr_t)&cgd->ident_data, 1156 (caddr_t)ada_quirk_table, 1157 sizeof(ada_quirk_table)/sizeof(*ada_quirk_table), 1158 sizeof(*ada_quirk_table), ata_identify_match); 1159 if (match != NULL) 1160 softc->quirks = ((struct ada_quirk_entry *)match)->quirks; 1161 else 1162 softc->quirks = ADA_Q_NONE; 1163 1164 bzero(&cpi, sizeof(cpi)); 1165 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 1166 cpi.ccb_h.func_code = XPT_PATH_INQ; 1167 xpt_action((union ccb *)&cpi); 1168 1169 TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph); 1170 1171 /* 1172 * Register this media as a disk 1173 */ 1174 (void)cam_periph_hold(periph, PRIBIO); 1175 cam_periph_unlock(periph); 1176 snprintf(announce_buf, sizeof(announce_buf), 1177 "kern.cam.ada.%d.quirks", periph->unit_number); 1178 quirks = softc->quirks; 1179 TUNABLE_INT_FETCH(announce_buf, &quirks); 1180 softc->quirks = quirks; 1181 softc->read_ahead = -1; 1182 snprintf(announce_buf, sizeof(announce_buf), 1183 "kern.cam.ada.%d.read_ahead", periph->unit_number); 1184 TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead); 1185 softc->write_cache = -1; 1186 snprintf(announce_buf, sizeof(announce_buf), 1187 "kern.cam.ada.%d.write_cache", periph->unit_number); 1188 TUNABLE_INT_FETCH(announce_buf, &softc->write_cache); 1189 /* Disable queue sorting for non-rotational media by default. */ 1190 if (cgd->ident_data.media_rotation_rate == 1) 1191 softc->sort_io_queue = 0; 1192 else 1193 softc->sort_io_queue = -1; 1194 adagetparams(periph, cgd); 1195 softc->disk = disk_alloc(); 1196 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1197 periph->unit_number, softc->params.secsize, 1198 DEVSTAT_ALL_SUPPORTED, 1199 DEVSTAT_TYPE_DIRECT | 1200 XPORT_DEVSTAT_TYPE(cpi.transport), 1201 DEVSTAT_PRIORITY_DISK); 1202 softc->disk->d_open = adaopen; 1203 softc->disk->d_close = adaclose; 1204 softc->disk->d_strategy = adastrategy; 1205 softc->disk->d_getattr = adagetattr; 1206 softc->disk->d_dump = adadump; 1207 softc->disk->d_gone = adadiskgonecb; 1208 softc->disk->d_name = "ada"; 1209 softc->disk->d_drv1 = periph; 1210 maxio = cpi.maxio; /* Honor max I/O size of SIM */ 1211 if (maxio == 0) 1212 maxio = DFLTPHYS; /* traditional default */ 1213 else if (maxio > MAXPHYS) 1214 maxio = MAXPHYS; /* for safety */ 1215 if (softc->flags & ADA_FLAG_CAN_48BIT) 1216 maxio = min(maxio, 65536 * softc->params.secsize); 1217 else /* 28bit ATA command limit */ 1218 maxio = min(maxio, 256 * softc->params.secsize); 1219 softc->disk->d_maxsize = maxio; 1220 softc->disk->d_unit = periph->unit_number; 1221 softc->disk->d_flags = 0; 1222 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) 1223 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1224 if (softc->flags & ADA_FLAG_CAN_TRIM) { 1225 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1226 softc->disk->d_delmaxsize = softc->params.secsize * 1227 ATA_DSM_RANGE_MAX * 1228 softc->trim_max_ranges; 1229 } else if ((softc->flags & ADA_FLAG_CAN_CFA) && 1230 !(softc->flags & ADA_FLAG_CAN_48BIT)) { 1231 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1232 softc->disk->d_delmaxsize = 256 * softc->params.secsize; 1233 } else 1234 softc->disk->d_delmaxsize = maxio; 1235 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) 1236 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 1237 strlcpy(softc->disk->d_descr, cgd->ident_data.model, 1238 MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model))); 1239 strlcpy(softc->disk->d_ident, cgd->ident_data.serial, 1240 MIN(sizeof(softc->disk->d_ident), sizeof(cgd->ident_data.serial))); 1241 softc->disk->d_hba_vendor = cpi.hba_vendor; 1242 softc->disk->d_hba_device = cpi.hba_device; 1243 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1244 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1245 1246 softc->disk->d_sectorsize = softc->params.secsize; 1247 softc->disk->d_mediasize = (off_t)softc->params.sectors * 1248 softc->params.secsize; 1249 if (ata_physical_sector_size(&cgd->ident_data) != 1250 softc->params.secsize) { 1251 softc->disk->d_stripesize = 1252 ata_physical_sector_size(&cgd->ident_data); 1253 softc->disk->d_stripeoffset = (softc->disk->d_stripesize - 1254 ata_logical_sector_offset(&cgd->ident_data)) % 1255 softc->disk->d_stripesize; 1256 } else if (softc->quirks & ADA_Q_4K) { 1257 softc->disk->d_stripesize = 4096; 1258 softc->disk->d_stripeoffset = 0; 1259 } 1260 softc->disk->d_fwsectors = softc->params.secs_per_track; 1261 softc->disk->d_fwheads = softc->params.heads; 1262 ata_disk_firmware_geom_adjust(softc->disk); 1263 1264 if (ada_legacy_aliases) { 1265 #ifdef ATA_STATIC_ID 1266 legacy_id = xpt_path_legacy_ata_id(periph->path); 1267 #else 1268 legacy_id = softc->disk->d_unit; 1269 #endif 1270 if (legacy_id >= 0) { 1271 snprintf(announce_buf, sizeof(announce_buf), 1272 "kern.devalias.%s%d", 1273 softc->disk->d_name, softc->disk->d_unit); 1274 snprintf(buf1, sizeof(buf1), 1275 "ad%d", legacy_id); 1276 setenv(announce_buf, buf1); 1277 } 1278 } else 1279 legacy_id = -1; 1280 /* 1281 * Acquire a reference to the periph before we register with GEOM. 1282 * We'll release this reference once GEOM calls us back (via 1283 * adadiskgonecb()) telling us that our provider has been freed. 1284 */ 1285 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1286 xpt_print(periph->path, "%s: lost periph during " 1287 "registration!\n", __func__); 1288 cam_periph_lock(periph); 1289 return (CAM_REQ_CMP_ERR); 1290 } 1291 disk_create(softc->disk, DISK_VERSION); 1292 cam_periph_lock(periph); 1293 cam_periph_unhold(periph); 1294 1295 dp = &softc->params; 1296 snprintf(announce_buf, sizeof(announce_buf), 1297 "%juMB (%ju %u byte sectors: %dH %dS/T %dC)", 1298 (uintmax_t)(((uintmax_t)dp->secsize * 1299 dp->sectors) / (1024*1024)), 1300 (uintmax_t)dp->sectors, 1301 dp->secsize, dp->heads, 1302 dp->secs_per_track, dp->cylinders); 1303 xpt_announce_periph(periph, announce_buf); 1304 xpt_announce_quirks(periph, softc->quirks, ADA_Q_BIT_STRING); 1305 if (legacy_id >= 0) 1306 printf("%s%d: Previously was known as ad%d\n", 1307 periph->periph_name, periph->unit_number, legacy_id); 1308 1309 /* 1310 * Create our sysctl variables, now that we know 1311 * we have successfully attached. 1312 */ 1313 cam_periph_acquire(periph); 1314 taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task); 1315 1316 /* 1317 * Add async callbacks for bus reset and 1318 * bus device reset calls. I don't bother 1319 * checking if this fails as, in most cases, 1320 * the system will function just fine without 1321 * them and the only alternative would be to 1322 * not attach the device on failure. 1323 */ 1324 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 1325 AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED, 1326 adaasync, periph, periph->path); 1327 1328 /* 1329 * Schedule a periodic event to occasionally send an 1330 * ordered tag to a device. 1331 */ 1332 callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0); 1333 callout_reset(&softc->sendordered_c, 1334 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1335 adasendorderedtag, softc); 1336 1337 if (ADA_RA >= 0 && 1338 cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) { 1339 softc->state = ADA_STATE_RAHEAD; 1340 cam_periph_acquire(periph); 1341 xpt_schedule(periph, CAM_PRIORITY_DEV); 1342 } else if (ADA_WC >= 0 && 1343 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1344 softc->state = ADA_STATE_WCACHE; 1345 cam_periph_acquire(periph); 1346 xpt_schedule(periph, CAM_PRIORITY_DEV); 1347 } else 1348 softc->state = ADA_STATE_NORMAL; 1349 1350 return(CAM_REQ_CMP); 1351 } 1352 1353 static void 1354 adastart(struct cam_periph *periph, union ccb *start_ccb) 1355 { 1356 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1357 struct ccb_ataio *ataio = &start_ccb->ataio; 1358 1359 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n")); 1360 1361 switch (softc->state) { 1362 case ADA_STATE_NORMAL: 1363 { 1364 struct bio *bp; 1365 u_int8_t tag_code; 1366 1367 /* Execute immediate CCB if waiting. */ 1368 if (periph->immediate_priority <= periph->pinfo.priority) { 1369 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1370 ("queuing for immediate ccb\n")); 1371 start_ccb->ccb_h.ccb_state = ADA_CCB_WAITING; 1372 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1373 periph_links.sle); 1374 periph->immediate_priority = CAM_PRIORITY_NONE; 1375 wakeup(&periph->ccb_list); 1376 /* Have more work to do, so ensure we stay scheduled */ 1377 adaschedule(periph); 1378 break; 1379 } 1380 /* Run TRIM if not running yet. */ 1381 if (!softc->trim_running && 1382 (bp = bioq_first(&softc->trim_queue)) != 0) { 1383 struct trim_request *req = &softc->trim_req; 1384 struct bio *bp1; 1385 uint64_t lastlba = (uint64_t)-1; 1386 int bps = 0, c, lastcount = 0, off, ranges = 0; 1387 1388 softc->trim_running = 1; 1389 bzero(req, sizeof(*req)); 1390 bp1 = bp; 1391 do { 1392 uint64_t lba = bp1->bio_pblkno; 1393 int count = bp1->bio_bcount / 1394 softc->params.secsize; 1395 1396 bioq_remove(&softc->trim_queue, bp1); 1397 1398 /* Try to extend the previous range. */ 1399 if (lba == lastlba) { 1400 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 1401 lastcount += c; 1402 off = (ranges - 1) * ATA_DSM_RANGE_SIZE; 1403 req->data[off + 6] = lastcount & 0xff; 1404 req->data[off + 7] = 1405 (lastcount >> 8) & 0xff; 1406 count -= c; 1407 lba += c; 1408 } 1409 1410 while (count > 0) { 1411 c = min(count, ATA_DSM_RANGE_MAX); 1412 off = ranges * ATA_DSM_RANGE_SIZE; 1413 req->data[off + 0] = lba & 0xff; 1414 req->data[off + 1] = (lba >> 8) & 0xff; 1415 req->data[off + 2] = (lba >> 16) & 0xff; 1416 req->data[off + 3] = (lba >> 24) & 0xff; 1417 req->data[off + 4] = (lba >> 32) & 0xff; 1418 req->data[off + 5] = (lba >> 40) & 0xff; 1419 req->data[off + 6] = c & 0xff; 1420 req->data[off + 7] = (c >> 8) & 0xff; 1421 lba += c; 1422 count -= c; 1423 lastcount = c; 1424 ranges++; 1425 /* 1426 * Its the caller's responsibility to ensure the 1427 * request will fit so we don't need to check for 1428 * overrun here 1429 */ 1430 } 1431 lastlba = lba; 1432 req->bps[bps++] = bp1; 1433 bp1 = bioq_first(&softc->trim_queue); 1434 if (bps >= TRIM_MAX_BIOS || 1435 bp1 == NULL || 1436 bp1->bio_bcount / softc->params.secsize > 1437 (softc->trim_max_ranges - ranges) * 1438 ATA_DSM_RANGE_MAX) 1439 break; 1440 } while (1); 1441 cam_fill_ataio(ataio, 1442 ada_retry_count, 1443 adadone, 1444 CAM_DIR_OUT, 1445 0, 1446 req->data, 1447 ((ranges + ATA_DSM_BLK_RANGES - 1) / 1448 ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE, 1449 ada_default_timeout * 1000); 1450 ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT, 1451 ATA_DSM_TRIM, 0, (ranges + ATA_DSM_BLK_RANGES - 1452 1) / ATA_DSM_BLK_RANGES); 1453 start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM; 1454 goto out; 1455 } 1456 /* Run regular command. */ 1457 bp = bioq_first(&softc->bio_queue); 1458 if (bp == NULL) { 1459 xpt_release_ccb(start_ccb); 1460 break; 1461 } 1462 bioq_remove(&softc->bio_queue, bp); 1463 1464 if ((bp->bio_flags & BIO_ORDERED) != 0 1465 || (softc->flags & ADA_FLAG_NEED_OTAG) != 0) { 1466 softc->flags &= ~ADA_FLAG_NEED_OTAG; 1467 softc->ordered_tag_count++; 1468 tag_code = 0; 1469 } else { 1470 tag_code = 1; 1471 } 1472 switch (bp->bio_cmd) { 1473 case BIO_READ: 1474 case BIO_WRITE: 1475 { 1476 uint64_t lba = bp->bio_pblkno; 1477 uint16_t count = bp->bio_bcount / softc->params.secsize; 1478 #ifdef ADA_TEST_FAILURE 1479 int fail = 0; 1480 1481 /* 1482 * Support the failure ioctls. If the command is a 1483 * read, and there are pending forced read errors, or 1484 * if a write and pending write errors, then fail this 1485 * operation with EIO. This is useful for testing 1486 * purposes. Also, support having every Nth read fail. 1487 * 1488 * This is a rather blunt tool. 1489 */ 1490 if (bp->bio_cmd == BIO_READ) { 1491 if (softc->force_read_error) { 1492 softc->force_read_error--; 1493 fail = 1; 1494 } 1495 if (softc->periodic_read_error > 0) { 1496 if (++softc->periodic_read_count >= 1497 softc->periodic_read_error) { 1498 softc->periodic_read_count = 0; 1499 fail = 1; 1500 } 1501 } 1502 } else { 1503 if (softc->force_write_error) { 1504 softc->force_write_error--; 1505 fail = 1; 1506 } 1507 } 1508 if (fail) { 1509 bp->bio_error = EIO; 1510 bp->bio_flags |= BIO_ERROR; 1511 biodone(bp); 1512 xpt_release_ccb(start_ccb); 1513 adaschedule(periph); 1514 return; 1515 } 1516 #endif 1517 KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 || 1518 round_page(bp->bio_bcount + bp->bio_ma_offset) / 1519 PAGE_SIZE == bp->bio_ma_n, 1520 ("Short bio %p", bp)); 1521 cam_fill_ataio(ataio, 1522 ada_retry_count, 1523 adadone, 1524 (bp->bio_cmd == BIO_READ ? CAM_DIR_IN : 1525 CAM_DIR_OUT) | ((bp->bio_flags & BIO_UNMAPPED) 1526 != 0 ? CAM_DATA_BIO : 0), 1527 tag_code, 1528 ((bp->bio_flags & BIO_UNMAPPED) != 0) ? (void *)bp : 1529 bp->bio_data, 1530 bp->bio_bcount, 1531 ada_default_timeout*1000); 1532 1533 if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) { 1534 if (bp->bio_cmd == BIO_READ) { 1535 ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED, 1536 lba, count); 1537 } else { 1538 ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED, 1539 lba, count); 1540 } 1541 } else if ((softc->flags & ADA_FLAG_CAN_48BIT) && 1542 (lba + count >= ATA_MAX_28BIT_LBA || 1543 count > 256)) { 1544 if (softc->flags & ADA_FLAG_CAN_DMA48) { 1545 if (bp->bio_cmd == BIO_READ) { 1546 ata_48bit_cmd(ataio, ATA_READ_DMA48, 1547 0, lba, count); 1548 } else { 1549 ata_48bit_cmd(ataio, ATA_WRITE_DMA48, 1550 0, lba, count); 1551 } 1552 } else { 1553 if (bp->bio_cmd == BIO_READ) { 1554 ata_48bit_cmd(ataio, ATA_READ_MUL48, 1555 0, lba, count); 1556 } else { 1557 ata_48bit_cmd(ataio, ATA_WRITE_MUL48, 1558 0, lba, count); 1559 } 1560 } 1561 } else { 1562 if (count == 256) 1563 count = 0; 1564 if (softc->flags & ADA_FLAG_CAN_DMA) { 1565 if (bp->bio_cmd == BIO_READ) { 1566 ata_28bit_cmd(ataio, ATA_READ_DMA, 1567 0, lba, count); 1568 } else { 1569 ata_28bit_cmd(ataio, ATA_WRITE_DMA, 1570 0, lba, count); 1571 } 1572 } else { 1573 if (bp->bio_cmd == BIO_READ) { 1574 ata_28bit_cmd(ataio, ATA_READ_MUL, 1575 0, lba, count); 1576 } else { 1577 ata_28bit_cmd(ataio, ATA_WRITE_MUL, 1578 0, lba, count); 1579 } 1580 } 1581 } 1582 break; 1583 } 1584 case BIO_DELETE: 1585 { 1586 uint64_t lba = bp->bio_pblkno; 1587 uint16_t count = bp->bio_bcount / softc->params.secsize; 1588 1589 cam_fill_ataio(ataio, 1590 ada_retry_count, 1591 adadone, 1592 CAM_DIR_NONE, 1593 0, 1594 NULL, 1595 0, 1596 ada_default_timeout*1000); 1597 1598 if (count >= 256) 1599 count = 0; 1600 ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count); 1601 break; 1602 } 1603 case BIO_FLUSH: 1604 cam_fill_ataio(ataio, 1605 1, 1606 adadone, 1607 CAM_DIR_NONE, 1608 0, 1609 NULL, 1610 0, 1611 ada_default_timeout*1000); 1612 1613 if (softc->flags & ADA_FLAG_CAN_48BIT) 1614 ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1615 else 1616 ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0); 1617 break; 1618 } 1619 start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO; 1620 out: 1621 start_ccb->ccb_h.ccb_bp = bp; 1622 softc->outstanding_cmds++; 1623 xpt_action(start_ccb); 1624 1625 /* May have more work to do, so ensure we stay scheduled */ 1626 adaschedule(periph); 1627 break; 1628 } 1629 case ADA_STATE_RAHEAD: 1630 case ADA_STATE_WCACHE: 1631 { 1632 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1633 softc->state = ADA_STATE_NORMAL; 1634 xpt_release_ccb(start_ccb); 1635 cam_periph_release_locked(periph); 1636 return; 1637 } 1638 1639 cam_fill_ataio(ataio, 1640 1, 1641 adadone, 1642 CAM_DIR_NONE, 1643 0, 1644 NULL, 1645 0, 1646 ada_default_timeout*1000); 1647 1648 if (softc->state == ADA_STATE_RAHEAD) { 1649 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ? 1650 ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0); 1651 start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD; 1652 } else { 1653 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ? 1654 ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0); 1655 start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE; 1656 } 1657 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1658 xpt_action(start_ccb); 1659 break; 1660 } 1661 } 1662 } 1663 1664 static void 1665 adadone(struct cam_periph *periph, union ccb *done_ccb) 1666 { 1667 struct ada_softc *softc; 1668 struct ccb_ataio *ataio; 1669 struct ccb_getdev *cgd; 1670 struct cam_path *path; 1671 1672 softc = (struct ada_softc *)periph->softc; 1673 ataio = &done_ccb->ataio; 1674 path = done_ccb->ccb_h.path; 1675 1676 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n")); 1677 1678 switch (ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK) { 1679 case ADA_CCB_BUFFER_IO: 1680 case ADA_CCB_TRIM: 1681 { 1682 struct bio *bp; 1683 1684 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1685 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1686 int error; 1687 1688 error = adaerror(done_ccb, 0, 0); 1689 if (error == ERESTART) { 1690 /* A retry was scheduled, so just return. */ 1691 return; 1692 } 1693 if (error != 0) { 1694 bp->bio_error = error; 1695 bp->bio_resid = bp->bio_bcount; 1696 bp->bio_flags |= BIO_ERROR; 1697 } else { 1698 bp->bio_resid = ataio->resid; 1699 bp->bio_error = 0; 1700 if (bp->bio_resid != 0) 1701 bp->bio_flags |= BIO_ERROR; 1702 } 1703 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1704 cam_release_devq(path, 1705 /*relsim_flags*/0, 1706 /*reduction*/0, 1707 /*timeout*/0, 1708 /*getcount_only*/0); 1709 } else { 1710 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1711 panic("REQ_CMP with QFRZN"); 1712 bp->bio_resid = ataio->resid; 1713 if (ataio->resid > 0) 1714 bp->bio_flags |= BIO_ERROR; 1715 } 1716 softc->outstanding_cmds--; 1717 if (softc->outstanding_cmds == 0) 1718 softc->flags |= ADA_FLAG_WENT_IDLE; 1719 if ((ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK) == 1720 ADA_CCB_TRIM) { 1721 struct trim_request *req = 1722 (struct trim_request *)ataio->data_ptr; 1723 int i; 1724 1725 for (i = 1; i < TRIM_MAX_BIOS && req->bps[i]; i++) { 1726 struct bio *bp1 = req->bps[i]; 1727 1728 bp1->bio_resid = bp->bio_resid; 1729 bp1->bio_error = bp->bio_error; 1730 if (bp->bio_flags & BIO_ERROR) 1731 bp1->bio_flags |= BIO_ERROR; 1732 biodone(bp1); 1733 } 1734 softc->trim_running = 0; 1735 biodone(bp); 1736 adaschedule(periph); 1737 } else 1738 biodone(bp); 1739 break; 1740 } 1741 case ADA_CCB_RAHEAD: 1742 { 1743 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1744 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1745 out: 1746 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1747 cam_release_devq(path, 0, 0, 0, FALSE); 1748 return; 1749 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1750 cam_release_devq(path, 1751 /*relsim_flags*/0, 1752 /*reduction*/0, 1753 /*timeout*/0, 1754 /*getcount_only*/0); 1755 } 1756 } 1757 1758 /* 1759 * Since our peripheral may be invalidated by an error 1760 * above or an external event, we must release our CCB 1761 * before releasing the reference on the peripheral. 1762 * The peripheral will only go away once the last reference 1763 * is removed, and we need it around for the CCB release 1764 * operation. 1765 */ 1766 cgd = (struct ccb_getdev *)done_ccb; 1767 xpt_setup_ccb(&cgd->ccb_h, path, CAM_PRIORITY_NORMAL); 1768 cgd->ccb_h.func_code = XPT_GDEV_TYPE; 1769 xpt_action((union ccb *)cgd); 1770 if (ADA_WC >= 0 && 1771 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1772 softc->state = ADA_STATE_WCACHE; 1773 xpt_release_ccb(done_ccb); 1774 xpt_schedule(periph, CAM_PRIORITY_DEV); 1775 goto out; 1776 } 1777 softc->state = ADA_STATE_NORMAL; 1778 xpt_release_ccb(done_ccb); 1779 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1780 cam_release_devq(path, 0, 0, 0, FALSE); 1781 adaschedule(periph); 1782 cam_periph_release_locked(periph); 1783 return; 1784 } 1785 case ADA_CCB_WCACHE: 1786 { 1787 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1788 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1789 goto out; 1790 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1791 cam_release_devq(path, 1792 /*relsim_flags*/0, 1793 /*reduction*/0, 1794 /*timeout*/0, 1795 /*getcount_only*/0); 1796 } 1797 } 1798 1799 softc->state = ADA_STATE_NORMAL; 1800 /* 1801 * Since our peripheral may be invalidated by an error 1802 * above or an external event, we must release our CCB 1803 * before releasing the reference on the peripheral. 1804 * The peripheral will only go away once the last reference 1805 * is removed, and we need it around for the CCB release 1806 * operation. 1807 */ 1808 xpt_release_ccb(done_ccb); 1809 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1810 cam_release_devq(path, 0, 0, 0, FALSE); 1811 adaschedule(periph); 1812 cam_periph_release_locked(periph); 1813 return; 1814 } 1815 case ADA_CCB_WAITING: 1816 { 1817 /* Caller will release the CCB */ 1818 wakeup(&done_ccb->ccb_h.cbfcnp); 1819 return; 1820 } 1821 case ADA_CCB_DUMP: 1822 /* No-op. We're polling */ 1823 return; 1824 default: 1825 break; 1826 } 1827 xpt_release_ccb(done_ccb); 1828 } 1829 1830 static int 1831 adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1832 { 1833 1834 return(cam_periph_error(ccb, cam_flags, sense_flags, NULL)); 1835 } 1836 1837 static void 1838 adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd) 1839 { 1840 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1841 struct disk_params *dp = &softc->params; 1842 u_int64_t lbasize48; 1843 u_int32_t lbasize; 1844 1845 dp->secsize = ata_logical_sector_size(&cgd->ident_data); 1846 if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) && 1847 cgd->ident_data.current_heads && cgd->ident_data.current_sectors) { 1848 dp->heads = cgd->ident_data.current_heads; 1849 dp->secs_per_track = cgd->ident_data.current_sectors; 1850 dp->cylinders = cgd->ident_data.cylinders; 1851 dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 | 1852 ((u_int32_t)cgd->ident_data.current_size_2 << 16); 1853 } else { 1854 dp->heads = cgd->ident_data.heads; 1855 dp->secs_per_track = cgd->ident_data.sectors; 1856 dp->cylinders = cgd->ident_data.cylinders; 1857 dp->sectors = cgd->ident_data.cylinders * dp->heads * dp->secs_per_track; 1858 } 1859 lbasize = (u_int32_t)cgd->ident_data.lba_size_1 | 1860 ((u_int32_t)cgd->ident_data.lba_size_2 << 16); 1861 1862 /* use the 28bit LBA size if valid or bigger than the CHS mapping */ 1863 if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize) 1864 dp->sectors = lbasize; 1865 1866 /* use the 48bit LBA size if valid */ 1867 lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) | 1868 ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) | 1869 ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) | 1870 ((u_int64_t)cgd->ident_data.lba_size48_4 << 48); 1871 if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) && 1872 lbasize48 > ATA_MAX_28BIT_LBA) 1873 dp->sectors = lbasize48; 1874 } 1875 1876 static void 1877 adasendorderedtag(void *arg) 1878 { 1879 struct ada_softc *softc = arg; 1880 1881 if (ada_send_ordered) { 1882 if ((softc->ordered_tag_count == 0) 1883 && ((softc->flags & ADA_FLAG_WENT_IDLE) == 0)) { 1884 softc->flags |= ADA_FLAG_NEED_OTAG; 1885 } 1886 if (softc->outstanding_cmds > 0) 1887 softc->flags &= ~ADA_FLAG_WENT_IDLE; 1888 1889 softc->ordered_tag_count = 0; 1890 } 1891 /* Queue us up again */ 1892 callout_reset(&softc->sendordered_c, 1893 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1894 adasendorderedtag, softc); 1895 } 1896 1897 /* 1898 * Step through all ADA peripheral drivers, and if the device is still open, 1899 * sync the disk cache to physical media. 1900 */ 1901 static void 1902 adaflush(void) 1903 { 1904 struct cam_periph *periph; 1905 struct ada_softc *softc; 1906 union ccb *ccb; 1907 int error; 1908 1909 CAM_PERIPH_FOREACH(periph, &adadriver) { 1910 /* If we paniced with lock held - not recurse here. */ 1911 if (cam_periph_owned(periph)) 1912 continue; 1913 cam_periph_lock(periph); 1914 softc = (struct ada_softc *)periph->softc; 1915 /* 1916 * We only sync the cache if the drive is still open, and 1917 * if the drive is capable of it.. 1918 */ 1919 if (((softc->flags & ADA_FLAG_OPEN) == 0) || 1920 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) { 1921 cam_periph_unlock(periph); 1922 continue; 1923 } 1924 1925 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1926 cam_fill_ataio(&ccb->ataio, 1927 0, 1928 adadone, 1929 CAM_DIR_NONE, 1930 0, 1931 NULL, 1932 0, 1933 ada_default_timeout*1000); 1934 if (softc->flags & ADA_FLAG_CAN_48BIT) 1935 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1936 else 1937 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 1938 1939 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 1940 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 1941 softc->disk->d_devstat); 1942 if (error != 0) 1943 xpt_print(periph->path, "Synchronize cache failed\n"); 1944 xpt_release_ccb(ccb); 1945 cam_periph_unlock(periph); 1946 } 1947 } 1948 1949 static void 1950 adaspindown(uint8_t cmd, int flags) 1951 { 1952 struct cam_periph *periph; 1953 struct ada_softc *softc; 1954 union ccb *ccb; 1955 int error; 1956 1957 CAM_PERIPH_FOREACH(periph, &adadriver) { 1958 /* If we paniced with lock held - not recurse here. */ 1959 if (cam_periph_owned(periph)) 1960 continue; 1961 cam_periph_lock(periph); 1962 softc = (struct ada_softc *)periph->softc; 1963 /* 1964 * We only spin-down the drive if it is capable of it.. 1965 */ 1966 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 1967 cam_periph_unlock(periph); 1968 continue; 1969 } 1970 1971 if (bootverbose) 1972 xpt_print(periph->path, "spin-down\n"); 1973 1974 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1975 cam_fill_ataio(&ccb->ataio, 1976 0, 1977 adadone, 1978 CAM_DIR_NONE | flags, 1979 0, 1980 NULL, 1981 0, 1982 ada_default_timeout*1000); 1983 ata_28bit_cmd(&ccb->ataio, cmd, 0, 0, 0); 1984 1985 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 1986 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 1987 softc->disk->d_devstat); 1988 if (error != 0) 1989 xpt_print(periph->path, "Spin-down disk failed\n"); 1990 xpt_release_ccb(ccb); 1991 cam_periph_unlock(periph); 1992 } 1993 } 1994 1995 static void 1996 adashutdown(void *arg, int howto) 1997 { 1998 1999 adaflush(); 2000 if (ada_spindown_shutdown != 0 && 2001 (howto & (RB_HALT | RB_POWEROFF)) != 0) 2002 adaspindown(ATA_STANDBY_IMMEDIATE, 0); 2003 } 2004 2005 static void 2006 adasuspend(void *arg) 2007 { 2008 2009 adaflush(); 2010 if (ada_spindown_suspend != 0) 2011 adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE); 2012 } 2013 2014 static void 2015 adaresume(void *arg) 2016 { 2017 struct cam_periph *periph; 2018 struct ada_softc *softc; 2019 2020 if (ada_spindown_suspend == 0) 2021 return; 2022 2023 CAM_PERIPH_FOREACH(periph, &adadriver) { 2024 cam_periph_lock(periph); 2025 softc = (struct ada_softc *)periph->softc; 2026 /* 2027 * We only spin-down the drive if it is capable of it.. 2028 */ 2029 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2030 cam_periph_unlock(periph); 2031 continue; 2032 } 2033 2034 if (bootverbose) 2035 xpt_print(periph->path, "resume\n"); 2036 2037 /* 2038 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on 2039 * sleep request. 2040 */ 2041 cam_release_devq(periph->path, 2042 /*relsim_flags*/0, 2043 /*openings*/0, 2044 /*timeout*/0, 2045 /*getcount_only*/0); 2046 2047 cam_periph_unlock(periph); 2048 } 2049 } 2050 2051 #endif /* _KERNEL */ 2052