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_FLAG_DIRTY = 0x2000 91 } ada_flags; 92 93 typedef enum { 94 ADA_Q_NONE = 0x00, 95 ADA_Q_4K = 0x01, 96 } ada_quirks; 97 98 #define ADA_Q_BIT_STRING \ 99 "\020" \ 100 "\0014K" 101 102 typedef enum { 103 ADA_CCB_RAHEAD = 0x01, 104 ADA_CCB_WCACHE = 0x02, 105 ADA_CCB_BUFFER_IO = 0x03, 106 ADA_CCB_WAITING = 0x04, 107 ADA_CCB_DUMP = 0x05, 108 ADA_CCB_TRIM = 0x06, 109 ADA_CCB_TYPE_MASK = 0x0F, 110 } ada_ccb_state; 111 112 /* Offsets into our private area for storing information */ 113 #define ccb_state ppriv_field0 114 #define ccb_bp ppriv_ptr1 115 116 struct disk_params { 117 u_int8_t heads; 118 u_int8_t secs_per_track; 119 u_int32_t cylinders; 120 u_int32_t secsize; /* Number of bytes/logical sector */ 121 u_int64_t sectors; /* Total number sectors */ 122 }; 123 124 #define TRIM_MAX_BLOCKS 8 125 #define TRIM_MAX_RANGES (TRIM_MAX_BLOCKS * ATA_DSM_BLK_RANGES) 126 #define TRIM_MAX_BIOS (TRIM_MAX_RANGES * 4) 127 struct trim_request { 128 uint8_t data[TRIM_MAX_RANGES * ATA_DSM_RANGE_SIZE]; 129 struct bio *bps[TRIM_MAX_BIOS]; 130 }; 131 132 struct ada_softc { 133 struct bio_queue_head bio_queue; 134 struct bio_queue_head trim_queue; 135 ada_state state; 136 ada_flags flags; 137 ada_quirks quirks; 138 int sort_io_queue; 139 int ordered_tag_count; 140 int outstanding_cmds; 141 int trim_max_ranges; 142 int trim_running; 143 int read_ahead; 144 int write_cache; 145 #ifdef ADA_TEST_FAILURE 146 int force_read_error; 147 int force_write_error; 148 int periodic_read_error; 149 int periodic_read_count; 150 #endif 151 struct disk_params params; 152 struct disk *disk; 153 struct task sysctl_task; 154 struct sysctl_ctx_list sysctl_ctx; 155 struct sysctl_oid *sysctl_tree; 156 struct callout sendordered_c; 157 struct trim_request trim_req; 158 }; 159 160 struct ada_quirk_entry { 161 struct scsi_inquiry_pattern inq_pat; 162 ada_quirks quirks; 163 }; 164 165 static struct ada_quirk_entry ada_quirk_table[] = 166 { 167 { 168 /* Hitachi Advanced Format (4k) drives */ 169 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Hitachi H??????????E3*", "*" }, 170 /*quirks*/ADA_Q_4K 171 }, 172 { 173 /* Samsung Advanced Format (4k) drives */ 174 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD155UI*", "*" }, 175 /*quirks*/ADA_Q_4K 176 }, 177 { 178 /* Samsung Advanced Format (4k) drives */ 179 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD204UI*", "*" }, 180 /*quirks*/ADA_Q_4K 181 }, 182 { 183 /* Seagate Barracuda Green Advanced Format (4k) drives */ 184 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DL*", "*" }, 185 /*quirks*/ADA_Q_4K 186 }, 187 { 188 /* Seagate Barracuda Advanced Format (4k) drives */ 189 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???DM*", "*" }, 190 /*quirks*/ADA_Q_4K 191 }, 192 { 193 /* Seagate Barracuda Advanced Format (4k) drives */ 194 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DM*", "*" }, 195 /*quirks*/ADA_Q_4K 196 }, 197 { 198 /* Seagate Momentus Advanced Format (4k) drives */ 199 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500423AS*", "*" }, 200 /*quirks*/ADA_Q_4K 201 }, 202 { 203 /* Seagate Momentus Advanced Format (4k) drives */ 204 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500424AS*", "*" }, 205 /*quirks*/ADA_Q_4K 206 }, 207 { 208 /* Seagate Momentus Advanced Format (4k) drives */ 209 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640423AS*", "*" }, 210 /*quirks*/ADA_Q_4K 211 }, 212 { 213 /* Seagate Momentus Advanced Format (4k) drives */ 214 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640424AS*", "*" }, 215 /*quirks*/ADA_Q_4K 216 }, 217 { 218 /* Seagate Momentus Advanced Format (4k) drives */ 219 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750420AS*", "*" }, 220 /*quirks*/ADA_Q_4K 221 }, 222 { 223 /* Seagate Momentus Advanced Format (4k) drives */ 224 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750422AS*", "*" }, 225 /*quirks*/ADA_Q_4K 226 }, 227 { 228 /* Seagate Momentus Advanced Format (4k) drives */ 229 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750423AS*", "*" }, 230 /*quirks*/ADA_Q_4K 231 }, 232 { 233 /* Seagate Momentus Thin Advanced Format (4k) drives */ 234 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???LT*", "*" }, 235 /*quirks*/ADA_Q_4K 236 }, 237 { 238 /* WDC Caviar Green Advanced Format (4k) drives */ 239 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RS*", "*" }, 240 /*quirks*/ADA_Q_4K 241 }, 242 { 243 /* WDC Caviar Green Advanced Format (4k) drives */ 244 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RX*", "*" }, 245 /*quirks*/ADA_Q_4K 246 }, 247 { 248 /* WDC Caviar Green Advanced Format (4k) drives */ 249 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RS*", "*" }, 250 /*quirks*/ADA_Q_4K 251 }, 252 { 253 /* WDC Caviar Green Advanced Format (4k) drives */ 254 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RX*", "*" }, 255 /*quirks*/ADA_Q_4K 256 }, 257 { 258 /* WDC Scorpio Black Advanced Format (4k) drives */ 259 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PKT*", "*" }, 260 /*quirks*/ADA_Q_4K 261 }, 262 { 263 /* WDC Scorpio Black Advanced Format (4k) drives */ 264 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PKT*", "*" }, 265 /*quirks*/ADA_Q_4K 266 }, 267 { 268 /* WDC Scorpio Blue Advanced Format (4k) drives */ 269 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PVT*", "*" }, 270 /*quirks*/ADA_Q_4K 271 }, 272 { 273 /* WDC Scorpio Blue Advanced Format (4k) drives */ 274 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PVT*", "*" }, 275 /*quirks*/ADA_Q_4K 276 }, 277 /* SSDs */ 278 { 279 /* 280 * Corsair Force 2 SSDs 281 * 4k optimised & trim only works in 4k requests + 4k aligned 282 */ 283 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair CSSD-F*", "*" }, 284 /*quirks*/ADA_Q_4K 285 }, 286 { 287 /* 288 * Corsair Force 3 SSDs 289 * 4k optimised & trim only works in 4k requests + 4k aligned 290 */ 291 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force 3*", "*" }, 292 /*quirks*/ADA_Q_4K 293 }, 294 { 295 /* 296 * Corsair Force GT SSDs 297 * 4k optimised & trim only works in 4k requests + 4k aligned 298 */ 299 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force GT*", "*" }, 300 /*quirks*/ADA_Q_4K 301 }, 302 { 303 /* 304 * Crucial M4 SSDs 305 * 4k optimised & trim only works in 4k requests + 4k aligned 306 */ 307 { T_DIRECT, SIP_MEDIA_FIXED, "*", "M4-CT???M4SSD2*", "*" }, 308 /*quirks*/ADA_Q_4K 309 }, 310 { 311 /* 312 * Crucial RealSSD C300 SSDs 313 * 4k optimised 314 */ 315 { T_DIRECT, SIP_MEDIA_FIXED, "*", "C300-CTFDDAC???MAG*", 316 "*" }, /*quirks*/ADA_Q_4K 317 }, 318 { 319 /* 320 * Intel 320 Series SSDs 321 * 4k optimised & trim only works in 4k requests + 4k aligned 322 */ 323 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2CW*", "*" }, 324 /*quirks*/ADA_Q_4K 325 }, 326 { 327 /* 328 * Intel 330 Series SSDs 329 * 4k optimised & trim only works in 4k requests + 4k aligned 330 */ 331 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2CT*", "*" }, 332 /*quirks*/ADA_Q_4K 333 }, 334 { 335 /* 336 * Intel 510 Series SSDs 337 * 4k optimised & trim only works in 4k requests + 4k aligned 338 */ 339 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2MH*", "*" }, 340 /*quirks*/ADA_Q_4K 341 }, 342 { 343 /* 344 * Intel 520 Series SSDs 345 * 4k optimised & trim only works in 4k requests + 4k aligned 346 */ 347 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2BW*", "*" }, 348 /*quirks*/ADA_Q_4K 349 }, 350 { 351 /* 352 * Kingston E100 Series SSDs 353 * 4k optimised & trim only works in 4k requests + 4k aligned 354 */ 355 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SE100S3*", "*" }, 356 /*quirks*/ADA_Q_4K 357 }, 358 { 359 /* 360 * Kingston HyperX 3k SSDs 361 * 4k optimised & trim only works in 4k requests + 4k aligned 362 */ 363 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SH103S3*", "*" }, 364 /*quirks*/ADA_Q_4K 365 }, 366 { 367 /* 368 * OCZ Agility 3 SSDs 369 * 4k optimised & trim only works in 4k requests + 4k aligned 370 */ 371 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY3*", "*" }, 372 /*quirks*/ADA_Q_4K 373 }, 374 { 375 /* 376 * OCZ Deneva R Series SSDs 377 * 4k optimised & trim only works in 4k requests + 4k aligned 378 */ 379 { T_DIRECT, SIP_MEDIA_FIXED, "*", "DENRSTE251M45*", "*" }, 380 /*quirks*/ADA_Q_4K 381 }, 382 { 383 /* 384 * OCZ Vertex 2 SSDs (inc pro series) 385 * 4k optimised & trim only works in 4k requests + 4k aligned 386 */ 387 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ?VERTEX2*", "*" }, 388 /*quirks*/ADA_Q_4K 389 }, 390 { 391 /* 392 * OCZ Vertex 3 SSDs 393 * 4k optimised & trim only works in 4k requests + 4k aligned 394 */ 395 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX3*", "*" }, 396 /*quirks*/ADA_Q_4K 397 }, 398 { 399 /* 400 * OCZ Vertex 4 SSDs 401 * 4k optimised & trim only works in 4k requests + 4k aligned 402 */ 403 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX4*", "*" }, 404 /*quirks*/ADA_Q_4K 405 }, 406 { 407 /* 408 * Samsung 830 Series SSDs 409 * 4k optimised 410 */ 411 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG SSD 830 Series*", "*" }, 412 /*quirks*/ADA_Q_4K 413 }, 414 { 415 /* 416 * SuperTalent TeraDrive CT SSDs 417 * 4k optimised & trim only works in 4k requests + 4k aligned 418 */ 419 { T_DIRECT, SIP_MEDIA_FIXED, "*", "FTM??CT25H*", "*" }, 420 /*quirks*/ADA_Q_4K 421 }, 422 { 423 /* 424 * XceedIOPS SATA SSDs 425 * 4k optimised 426 */ 427 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SG9XCS2D*", "*" }, 428 /*quirks*/ADA_Q_4K 429 }, 430 { 431 /* Default */ 432 { 433 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 434 /*vendor*/"*", /*product*/"*", /*revision*/"*" 435 }, 436 /*quirks*/0 437 }, 438 }; 439 440 static disk_strategy_t adastrategy; 441 static dumper_t adadump; 442 static periph_init_t adainit; 443 static void adaasync(void *callback_arg, u_int32_t code, 444 struct cam_path *path, void *arg); 445 static void adasysctlinit(void *context, int pending); 446 static periph_ctor_t adaregister; 447 static periph_dtor_t adacleanup; 448 static periph_start_t adastart; 449 static periph_oninv_t adaoninvalidate; 450 static void adadone(struct cam_periph *periph, 451 union ccb *done_ccb); 452 static int adaerror(union ccb *ccb, u_int32_t cam_flags, 453 u_int32_t sense_flags); 454 static void adagetparams(struct cam_periph *periph, 455 struct ccb_getdev *cgd); 456 static timeout_t adasendorderedtag; 457 static void adashutdown(void *arg, int howto); 458 static void adasuspend(void *arg); 459 static void adaresume(void *arg); 460 461 #ifndef ADA_DEFAULT_LEGACY_ALIASES 462 #define ADA_DEFAULT_LEGACY_ALIASES 1 463 #endif 464 465 #ifndef ADA_DEFAULT_TIMEOUT 466 #define ADA_DEFAULT_TIMEOUT 30 /* Timeout in seconds */ 467 #endif 468 469 #ifndef ADA_DEFAULT_RETRY 470 #define ADA_DEFAULT_RETRY 4 471 #endif 472 473 #ifndef ADA_DEFAULT_SEND_ORDERED 474 #define ADA_DEFAULT_SEND_ORDERED 1 475 #endif 476 477 #ifndef ADA_DEFAULT_SPINDOWN_SHUTDOWN 478 #define ADA_DEFAULT_SPINDOWN_SHUTDOWN 1 479 #endif 480 481 #ifndef ADA_DEFAULT_SPINDOWN_SUSPEND 482 #define ADA_DEFAULT_SPINDOWN_SUSPEND 1 483 #endif 484 485 #ifndef ADA_DEFAULT_READ_AHEAD 486 #define ADA_DEFAULT_READ_AHEAD 1 487 #endif 488 489 #ifndef ADA_DEFAULT_WRITE_CACHE 490 #define ADA_DEFAULT_WRITE_CACHE 1 491 #endif 492 493 #define ADA_RA (softc->read_ahead >= 0 ? \ 494 softc->read_ahead : ada_read_ahead) 495 #define ADA_WC (softc->write_cache >= 0 ? \ 496 softc->write_cache : ada_write_cache) 497 #define ADA_SIO (softc->sort_io_queue >= 0 ? \ 498 softc->sort_io_queue : cam_sort_io_queues) 499 500 /* 501 * Most platforms map firmware geometry to actual, but some don't. If 502 * not overridden, default to nothing. 503 */ 504 #ifndef ata_disk_firmware_geom_adjust 505 #define ata_disk_firmware_geom_adjust(disk) 506 #endif 507 508 static int ada_legacy_aliases = ADA_DEFAULT_LEGACY_ALIASES; 509 static int ada_retry_count = ADA_DEFAULT_RETRY; 510 static int ada_default_timeout = ADA_DEFAULT_TIMEOUT; 511 static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED; 512 static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN; 513 static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND; 514 static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD; 515 static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE; 516 517 static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD, 0, 518 "CAM Direct Access Disk driver"); 519 SYSCTL_INT(_kern_cam_ada, OID_AUTO, legacy_aliases, CTLFLAG_RW, 520 &ada_legacy_aliases, 0, "Create legacy-like device aliases"); 521 TUNABLE_INT("kern.cam.ada.legacy_aliases", &ada_legacy_aliases); 522 SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RW, 523 &ada_retry_count, 0, "Normal I/O retry count"); 524 TUNABLE_INT("kern.cam.ada.retry_count", &ada_retry_count); 525 SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RW, 526 &ada_default_timeout, 0, "Normal I/O timeout (in seconds)"); 527 TUNABLE_INT("kern.cam.ada.default_timeout", &ada_default_timeout); 528 SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RW, 529 &ada_send_ordered, 0, "Send Ordered Tags"); 530 TUNABLE_INT("kern.cam.ada.send_ordered", &ada_send_ordered); 531 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RW, 532 &ada_spindown_shutdown, 0, "Spin down upon shutdown"); 533 TUNABLE_INT("kern.cam.ada.spindown_shutdown", &ada_spindown_shutdown); 534 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RW, 535 &ada_spindown_suspend, 0, "Spin down upon suspend"); 536 TUNABLE_INT("kern.cam.ada.spindown_suspend", &ada_spindown_suspend); 537 SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RW, 538 &ada_read_ahead, 0, "Enable disk read-ahead"); 539 TUNABLE_INT("kern.cam.ada.read_ahead", &ada_read_ahead); 540 SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RW, 541 &ada_write_cache, 0, "Enable disk write cache"); 542 TUNABLE_INT("kern.cam.ada.write_cache", &ada_write_cache); 543 544 /* 545 * ADA_ORDEREDTAG_INTERVAL determines how often, relative 546 * to the default timeout, we check to see whether an ordered 547 * tagged transaction is appropriate to prevent simple tag 548 * starvation. Since we'd like to ensure that there is at least 549 * 1/2 of the timeout length left for a starved transaction to 550 * complete after we've sent an ordered tag, we must poll at least 551 * four times in every timeout period. This takes care of the worst 552 * case where a starved transaction starts during an interval that 553 * meets the requirement "don't send an ordered tag" test so it takes 554 * us two intervals to determine that a tag must be sent. 555 */ 556 #ifndef ADA_ORDEREDTAG_INTERVAL 557 #define ADA_ORDEREDTAG_INTERVAL 4 558 #endif 559 560 static struct periph_driver adadriver = 561 { 562 adainit, "ada", 563 TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0 564 }; 565 566 PERIPHDRIVER_DECLARE(ada, adadriver); 567 568 static MALLOC_DEFINE(M_ATADA, "ata_da", "ata_da buffers"); 569 570 static int 571 adaopen(struct disk *dp) 572 { 573 struct cam_periph *periph; 574 struct ada_softc *softc; 575 int error; 576 577 periph = (struct cam_periph *)dp->d_drv1; 578 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 579 return(ENXIO); 580 } 581 582 cam_periph_lock(periph); 583 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 584 cam_periph_unlock(periph); 585 cam_periph_release(periph); 586 return (error); 587 } 588 589 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 590 ("adaopen\n")); 591 592 softc = (struct ada_softc *)periph->softc; 593 softc->flags |= ADA_FLAG_OPEN; 594 595 cam_periph_unhold(periph); 596 cam_periph_unlock(periph); 597 return (0); 598 } 599 600 static int 601 adaclose(struct disk *dp) 602 { 603 struct cam_periph *periph; 604 struct ada_softc *softc; 605 union ccb *ccb; 606 int error; 607 608 periph = (struct cam_periph *)dp->d_drv1; 609 cam_periph_lock(periph); 610 if (cam_periph_hold(periph, PRIBIO) != 0) { 611 cam_periph_unlock(periph); 612 cam_periph_release(periph); 613 return (0); 614 } 615 616 softc = (struct ada_softc *)periph->softc; 617 618 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 619 ("adaclose\n")); 620 621 /* We only sync the cache if the drive is capable of it. */ 622 if ((softc->flags & ADA_FLAG_DIRTY) != 0 && 623 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 && 624 (periph->flags & CAM_PERIPH_INVALID) == 0) { 625 626 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 627 cam_fill_ataio(&ccb->ataio, 628 1, 629 adadone, 630 CAM_DIR_NONE, 631 0, 632 NULL, 633 0, 634 ada_default_timeout*1000); 635 636 if (softc->flags & ADA_FLAG_CAN_48BIT) 637 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 638 else 639 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 640 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 641 /*sense_flags*/0, softc->disk->d_devstat); 642 643 if (error != 0) 644 xpt_print(periph->path, "Synchronize cache failed\n"); 645 else 646 softc->flags &= ~ADA_FLAG_DIRTY; 647 xpt_release_ccb(ccb); 648 } 649 650 softc->flags &= ~ADA_FLAG_OPEN; 651 cam_periph_unhold(periph); 652 cam_periph_unlock(periph); 653 cam_periph_release(periph); 654 return (0); 655 } 656 657 static void 658 adaschedule(struct cam_periph *periph) 659 { 660 struct ada_softc *softc = (struct ada_softc *)periph->softc; 661 uint32_t prio; 662 663 if (softc->state != ADA_STATE_NORMAL) 664 return; 665 666 /* Check if cam_periph_getccb() was called. */ 667 prio = periph->immediate_priority; 668 669 /* Check if we have more work to do. */ 670 if (bioq_first(&softc->bio_queue) || 671 (!softc->trim_running && bioq_first(&softc->trim_queue))) { 672 prio = CAM_PRIORITY_NORMAL; 673 } 674 675 /* Schedule CCB if any of above is true. */ 676 if (prio != CAM_PRIORITY_NONE) 677 xpt_schedule(periph, prio); 678 } 679 680 /* 681 * Actually translate the requested transfer into one the physical driver 682 * can understand. The transfer is described by a buf and will include 683 * only one physical transfer. 684 */ 685 static void 686 adastrategy(struct bio *bp) 687 { 688 struct cam_periph *periph; 689 struct ada_softc *softc; 690 691 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 692 softc = (struct ada_softc *)periph->softc; 693 694 cam_periph_lock(periph); 695 696 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp)); 697 698 /* 699 * If the device has been made invalid, error out 700 */ 701 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 702 cam_periph_unlock(periph); 703 biofinish(bp, NULL, ENXIO); 704 return; 705 } 706 707 /* 708 * Place it in the queue of disk activities for this disk 709 */ 710 if (bp->bio_cmd == BIO_DELETE && 711 (softc->flags & ADA_FLAG_CAN_TRIM)) { 712 if (ADA_SIO) 713 bioq_disksort(&softc->trim_queue, bp); 714 else 715 bioq_insert_tail(&softc->trim_queue, bp); 716 } else { 717 if (ADA_SIO) 718 bioq_disksort(&softc->bio_queue, bp); 719 else 720 bioq_insert_tail(&softc->bio_queue, bp); 721 } 722 723 /* 724 * Schedule ourselves for performing the work. 725 */ 726 adaschedule(periph); 727 cam_periph_unlock(periph); 728 729 return; 730 } 731 732 static int 733 adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 734 { 735 struct cam_periph *periph; 736 struct ada_softc *softc; 737 u_int secsize; 738 union ccb ccb; 739 struct disk *dp; 740 uint64_t lba; 741 uint16_t count; 742 int error = 0; 743 744 dp = arg; 745 periph = dp->d_drv1; 746 softc = (struct ada_softc *)periph->softc; 747 cam_periph_lock(periph); 748 secsize = softc->params.secsize; 749 lba = offset / secsize; 750 count = length / secsize; 751 752 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 753 cam_periph_unlock(periph); 754 return (ENXIO); 755 } 756 757 if (length > 0) { 758 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 759 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 760 cam_fill_ataio(&ccb.ataio, 761 0, 762 adadone, 763 CAM_DIR_OUT, 764 0, 765 (u_int8_t *) virtual, 766 length, 767 ada_default_timeout*1000); 768 if ((softc->flags & ADA_FLAG_CAN_48BIT) && 769 (lba + count >= ATA_MAX_28BIT_LBA || 770 count >= 256)) { 771 ata_48bit_cmd(&ccb.ataio, ATA_WRITE_DMA48, 772 0, lba, count); 773 } else { 774 ata_28bit_cmd(&ccb.ataio, ATA_WRITE_DMA, 775 0, lba, count); 776 } 777 xpt_polled_action(&ccb); 778 779 error = cam_periph_error(&ccb, 780 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 781 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 782 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 783 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 784 if (error != 0) 785 printf("Aborting dump due to I/O error.\n"); 786 787 cam_periph_unlock(periph); 788 return (error); 789 } 790 791 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { 792 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 793 794 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 795 cam_fill_ataio(&ccb.ataio, 796 0, 797 adadone, 798 CAM_DIR_NONE, 799 0, 800 NULL, 801 0, 802 ada_default_timeout*1000); 803 804 if (softc->flags & ADA_FLAG_CAN_48BIT) 805 ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); 806 else 807 ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); 808 xpt_polled_action(&ccb); 809 810 error = cam_periph_error(&ccb, 811 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 812 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 813 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 814 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 815 if (error != 0) 816 xpt_print(periph->path, "Synchronize cache failed\n"); 817 } 818 cam_periph_unlock(periph); 819 return (error); 820 } 821 822 static void 823 adainit(void) 824 { 825 cam_status status; 826 827 /* 828 * Install a global async callback. This callback will 829 * receive async callbacks like "new device found". 830 */ 831 status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL); 832 833 if (status != CAM_REQ_CMP) { 834 printf("ada: Failed to attach master async callback " 835 "due to status 0x%x!\n", status); 836 } else if (ada_send_ordered) { 837 838 /* Register our event handlers */ 839 if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend, 840 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 841 printf("adainit: power event registration failed!\n"); 842 if ((EVENTHANDLER_REGISTER(power_resume, adaresume, 843 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 844 printf("adainit: power event registration failed!\n"); 845 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown, 846 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 847 printf("adainit: shutdown event registration failed!\n"); 848 } 849 } 850 851 /* 852 * Callback from GEOM, called when it has finished cleaning up its 853 * resources. 854 */ 855 static void 856 adadiskgonecb(struct disk *dp) 857 { 858 struct cam_periph *periph; 859 860 periph = (struct cam_periph *)dp->d_drv1; 861 862 cam_periph_release(periph); 863 } 864 865 static void 866 adaoninvalidate(struct cam_periph *periph) 867 { 868 struct ada_softc *softc; 869 870 softc = (struct ada_softc *)periph->softc; 871 872 /* 873 * De-register any async callbacks. 874 */ 875 xpt_register_async(0, adaasync, periph, periph->path); 876 877 /* 878 * Return all queued I/O with ENXIO. 879 * XXX Handle any transactions queued to the card 880 * with XPT_ABORT_CCB. 881 */ 882 bioq_flush(&softc->bio_queue, NULL, ENXIO); 883 bioq_flush(&softc->trim_queue, NULL, ENXIO); 884 885 disk_gone(softc->disk); 886 xpt_print(periph->path, "lost device\n"); 887 } 888 889 static void 890 adacleanup(struct cam_periph *periph) 891 { 892 struct ada_softc *softc; 893 894 softc = (struct ada_softc *)periph->softc; 895 896 xpt_print(periph->path, "removing device entry\n"); 897 cam_periph_unlock(periph); 898 899 /* 900 * If we can't free the sysctl tree, oh well... 901 */ 902 if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0 903 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 904 xpt_print(periph->path, "can't remove sysctl context\n"); 905 } 906 907 disk_destroy(softc->disk); 908 callout_drain(&softc->sendordered_c); 909 free(softc, M_DEVBUF); 910 cam_periph_lock(periph); 911 } 912 913 static void 914 adaasync(void *callback_arg, u_int32_t code, 915 struct cam_path *path, void *arg) 916 { 917 struct ccb_getdev cgd; 918 struct cam_periph *periph; 919 struct ada_softc *softc; 920 921 periph = (struct cam_periph *)callback_arg; 922 switch (code) { 923 case AC_FOUND_DEVICE: 924 { 925 struct ccb_getdev *cgd; 926 cam_status status; 927 928 cgd = (struct ccb_getdev *)arg; 929 if (cgd == NULL) 930 break; 931 932 if (cgd->protocol != PROTO_ATA) 933 break; 934 935 /* 936 * Allocate a peripheral instance for 937 * this device and start the probe 938 * process. 939 */ 940 status = cam_periph_alloc(adaregister, adaoninvalidate, 941 adacleanup, adastart, 942 "ada", CAM_PERIPH_BIO, 943 cgd->ccb_h.path, adaasync, 944 AC_FOUND_DEVICE, cgd); 945 946 if (status != CAM_REQ_CMP 947 && status != CAM_REQ_INPROG) 948 printf("adaasync: Unable to attach to new device " 949 "due to status 0x%x\n", status); 950 break; 951 } 952 case AC_GETDEV_CHANGED: 953 { 954 softc = (struct ada_softc *)periph->softc; 955 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 956 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 957 xpt_action((union ccb *)&cgd); 958 959 if ((cgd.ident_data.capabilities1 & ATA_SUPPORT_DMA) && 960 (cgd.inq_flags & SID_DMA)) 961 softc->flags |= ADA_FLAG_CAN_DMA; 962 else 963 softc->flags &= ~ADA_FLAG_CAN_DMA; 964 if (cgd.ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 965 softc->flags |= ADA_FLAG_CAN_48BIT; 966 if (cgd.inq_flags & SID_DMA48) 967 softc->flags |= ADA_FLAG_CAN_DMA48; 968 else 969 softc->flags &= ~ADA_FLAG_CAN_DMA48; 970 } else 971 softc->flags &= ~(ADA_FLAG_CAN_48BIT | 972 ADA_FLAG_CAN_DMA48); 973 if ((cgd.ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 974 (cgd.inq_flags & SID_DMA) && (cgd.inq_flags & SID_CmdQue)) 975 softc->flags |= ADA_FLAG_CAN_NCQ; 976 else 977 softc->flags &= ~ADA_FLAG_CAN_NCQ; 978 if ((cgd.ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 979 (cgd.inq_flags & SID_DMA)) 980 softc->flags |= ADA_FLAG_CAN_TRIM; 981 else 982 softc->flags &= ~ADA_FLAG_CAN_TRIM; 983 984 cam_periph_async(periph, code, path, arg); 985 break; 986 } 987 case AC_ADVINFO_CHANGED: 988 { 989 uintptr_t buftype; 990 991 buftype = (uintptr_t)arg; 992 if (buftype == CDAI_TYPE_PHYS_PATH) { 993 struct ada_softc *softc; 994 995 softc = periph->softc; 996 disk_attr_changed(softc->disk, "GEOM::physpath", 997 M_NOWAIT); 998 } 999 break; 1000 } 1001 case AC_SENT_BDR: 1002 case AC_BUS_RESET: 1003 { 1004 softc = (struct ada_softc *)periph->softc; 1005 cam_periph_async(periph, code, path, arg); 1006 if (softc->state != ADA_STATE_NORMAL) 1007 break; 1008 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1009 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1010 xpt_action((union ccb *)&cgd); 1011 if (ADA_RA >= 0 && 1012 cgd.ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) 1013 softc->state = ADA_STATE_RAHEAD; 1014 else if (ADA_WC >= 0 && 1015 cgd.ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) 1016 softc->state = ADA_STATE_WCACHE; 1017 else 1018 break; 1019 cam_periph_acquire(periph); 1020 xpt_schedule(periph, CAM_PRIORITY_DEV); 1021 } 1022 default: 1023 cam_periph_async(periph, code, path, arg); 1024 break; 1025 } 1026 } 1027 1028 static void 1029 adasysctlinit(void *context, int pending) 1030 { 1031 struct cam_periph *periph; 1032 struct ada_softc *softc; 1033 char tmpstr[80], tmpstr2[80]; 1034 1035 periph = (struct cam_periph *)context; 1036 1037 /* periph was held for us when this task was enqueued */ 1038 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1039 cam_periph_release(periph); 1040 return; 1041 } 1042 1043 softc = (struct ada_softc *)periph->softc; 1044 snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d", periph->unit_number); 1045 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1046 1047 sysctl_ctx_init(&softc->sysctl_ctx); 1048 softc->flags |= ADA_FLAG_SCTX_INIT; 1049 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1050 SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2, 1051 CTLFLAG_RD, 0, tmpstr); 1052 if (softc->sysctl_tree == NULL) { 1053 printf("adasysctlinit: unable to allocate sysctl tree\n"); 1054 cam_periph_release(periph); 1055 return; 1056 } 1057 1058 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1059 OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE, 1060 &softc->read_ahead, 0, "Enable disk read ahead."); 1061 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1062 OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE, 1063 &softc->write_cache, 0, "Enable disk write cache."); 1064 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1065 OID_AUTO, "sort_io_queue", CTLFLAG_RW | CTLFLAG_MPSAFE, 1066 &softc->sort_io_queue, 0, 1067 "Sort IO queue to try and optimise disk access patterns"); 1068 #ifdef ADA_TEST_FAILURE 1069 /* 1070 * Add a 'door bell' sysctl which allows one to set it from userland 1071 * and cause something bad to happen. For the moment, we only allow 1072 * whacking the next read or write. 1073 */ 1074 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1075 OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1076 &softc->force_read_error, 0, 1077 "Force a read error for the next N reads."); 1078 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1079 OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1080 &softc->force_write_error, 0, 1081 "Force a write error for the next N writes."); 1082 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1083 OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1084 &softc->periodic_read_error, 0, 1085 "Force a read error every N reads (don't set too low)."); 1086 #endif 1087 cam_periph_release(periph); 1088 } 1089 1090 static int 1091 adagetattr(struct bio *bp) 1092 { 1093 int ret; 1094 struct cam_periph *periph; 1095 1096 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1097 cam_periph_lock(periph); 1098 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1099 periph->path); 1100 cam_periph_unlock(periph); 1101 if (ret == 0) 1102 bp->bio_completed = bp->bio_length; 1103 return ret; 1104 } 1105 1106 static cam_status 1107 adaregister(struct cam_periph *periph, void *arg) 1108 { 1109 struct ada_softc *softc; 1110 struct ccb_pathinq cpi; 1111 struct ccb_getdev *cgd; 1112 char announce_buf[80], buf1[32]; 1113 struct disk_params *dp; 1114 caddr_t match; 1115 u_int maxio; 1116 int legacy_id, quirks; 1117 1118 cgd = (struct ccb_getdev *)arg; 1119 if (cgd == NULL) { 1120 printf("adaregister: no getdev CCB, can't register device\n"); 1121 return(CAM_REQ_CMP_ERR); 1122 } 1123 1124 softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF, 1125 M_NOWAIT|M_ZERO); 1126 1127 if (softc == NULL) { 1128 printf("adaregister: Unable to probe new device. " 1129 "Unable to allocate softc\n"); 1130 return(CAM_REQ_CMP_ERR); 1131 } 1132 1133 bioq_init(&softc->bio_queue); 1134 bioq_init(&softc->trim_queue); 1135 1136 if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1137 (cgd->inq_flags & SID_DMA)) 1138 softc->flags |= ADA_FLAG_CAN_DMA; 1139 if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1140 softc->flags |= ADA_FLAG_CAN_48BIT; 1141 if (cgd->inq_flags & SID_DMA48) 1142 softc->flags |= ADA_FLAG_CAN_DMA48; 1143 } 1144 if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE) 1145 softc->flags |= ADA_FLAG_CAN_FLUSHCACHE; 1146 if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT) 1147 softc->flags |= ADA_FLAG_CAN_POWERMGT; 1148 if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1149 (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue)) 1150 softc->flags |= ADA_FLAG_CAN_NCQ; 1151 if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1152 (cgd->inq_flags & SID_DMA)) { 1153 softc->flags |= ADA_FLAG_CAN_TRIM; 1154 softc->trim_max_ranges = TRIM_MAX_RANGES; 1155 if (cgd->ident_data.max_dsm_blocks != 0) { 1156 softc->trim_max_ranges = 1157 min(cgd->ident_data.max_dsm_blocks * 1158 ATA_DSM_BLK_RANGES, softc->trim_max_ranges); 1159 } 1160 } 1161 if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA) 1162 softc->flags |= ADA_FLAG_CAN_CFA; 1163 1164 periph->softc = softc; 1165 1166 /* 1167 * See if this device has any quirks. 1168 */ 1169 match = cam_quirkmatch((caddr_t)&cgd->ident_data, 1170 (caddr_t)ada_quirk_table, 1171 sizeof(ada_quirk_table)/sizeof(*ada_quirk_table), 1172 sizeof(*ada_quirk_table), ata_identify_match); 1173 if (match != NULL) 1174 softc->quirks = ((struct ada_quirk_entry *)match)->quirks; 1175 else 1176 softc->quirks = ADA_Q_NONE; 1177 1178 bzero(&cpi, sizeof(cpi)); 1179 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 1180 cpi.ccb_h.func_code = XPT_PATH_INQ; 1181 xpt_action((union ccb *)&cpi); 1182 1183 TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph); 1184 1185 /* 1186 * Register this media as a disk 1187 */ 1188 (void)cam_periph_hold(periph, PRIBIO); 1189 cam_periph_unlock(periph); 1190 snprintf(announce_buf, sizeof(announce_buf), 1191 "kern.cam.ada.%d.quirks", periph->unit_number); 1192 quirks = softc->quirks; 1193 TUNABLE_INT_FETCH(announce_buf, &quirks); 1194 softc->quirks = quirks; 1195 softc->read_ahead = -1; 1196 snprintf(announce_buf, sizeof(announce_buf), 1197 "kern.cam.ada.%d.read_ahead", periph->unit_number); 1198 TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead); 1199 softc->write_cache = -1; 1200 snprintf(announce_buf, sizeof(announce_buf), 1201 "kern.cam.ada.%d.write_cache", periph->unit_number); 1202 TUNABLE_INT_FETCH(announce_buf, &softc->write_cache); 1203 /* Disable queue sorting for non-rotational media by default. */ 1204 if (cgd->ident_data.media_rotation_rate == 1) 1205 softc->sort_io_queue = 0; 1206 else 1207 softc->sort_io_queue = -1; 1208 adagetparams(periph, cgd); 1209 softc->disk = disk_alloc(); 1210 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1211 periph->unit_number, softc->params.secsize, 1212 DEVSTAT_ALL_SUPPORTED, 1213 DEVSTAT_TYPE_DIRECT | 1214 XPORT_DEVSTAT_TYPE(cpi.transport), 1215 DEVSTAT_PRIORITY_DISK); 1216 softc->disk->d_open = adaopen; 1217 softc->disk->d_close = adaclose; 1218 softc->disk->d_strategy = adastrategy; 1219 softc->disk->d_getattr = adagetattr; 1220 softc->disk->d_dump = adadump; 1221 softc->disk->d_gone = adadiskgonecb; 1222 softc->disk->d_name = "ada"; 1223 softc->disk->d_drv1 = periph; 1224 maxio = cpi.maxio; /* Honor max I/O size of SIM */ 1225 if (maxio == 0) 1226 maxio = DFLTPHYS; /* traditional default */ 1227 else if (maxio > MAXPHYS) 1228 maxio = MAXPHYS; /* for safety */ 1229 if (softc->flags & ADA_FLAG_CAN_48BIT) 1230 maxio = min(maxio, 65536 * softc->params.secsize); 1231 else /* 28bit ATA command limit */ 1232 maxio = min(maxio, 256 * softc->params.secsize); 1233 softc->disk->d_maxsize = maxio; 1234 softc->disk->d_unit = periph->unit_number; 1235 softc->disk->d_flags = 0; 1236 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) 1237 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1238 if (softc->flags & ADA_FLAG_CAN_TRIM) { 1239 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1240 softc->disk->d_delmaxsize = softc->params.secsize * 1241 ATA_DSM_RANGE_MAX * 1242 softc->trim_max_ranges; 1243 } else if ((softc->flags & ADA_FLAG_CAN_CFA) && 1244 !(softc->flags & ADA_FLAG_CAN_48BIT)) { 1245 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1246 softc->disk->d_delmaxsize = 256 * softc->params.secsize; 1247 } else 1248 softc->disk->d_delmaxsize = maxio; 1249 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) 1250 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 1251 strlcpy(softc->disk->d_descr, cgd->ident_data.model, 1252 MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model))); 1253 strlcpy(softc->disk->d_ident, cgd->ident_data.serial, 1254 MIN(sizeof(softc->disk->d_ident), sizeof(cgd->ident_data.serial))); 1255 softc->disk->d_hba_vendor = cpi.hba_vendor; 1256 softc->disk->d_hba_device = cpi.hba_device; 1257 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1258 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1259 1260 softc->disk->d_sectorsize = softc->params.secsize; 1261 softc->disk->d_mediasize = (off_t)softc->params.sectors * 1262 softc->params.secsize; 1263 if (ata_physical_sector_size(&cgd->ident_data) != 1264 softc->params.secsize) { 1265 softc->disk->d_stripesize = 1266 ata_physical_sector_size(&cgd->ident_data); 1267 softc->disk->d_stripeoffset = (softc->disk->d_stripesize - 1268 ata_logical_sector_offset(&cgd->ident_data)) % 1269 softc->disk->d_stripesize; 1270 } else if (softc->quirks & ADA_Q_4K) { 1271 softc->disk->d_stripesize = 4096; 1272 softc->disk->d_stripeoffset = 0; 1273 } 1274 softc->disk->d_fwsectors = softc->params.secs_per_track; 1275 softc->disk->d_fwheads = softc->params.heads; 1276 ata_disk_firmware_geom_adjust(softc->disk); 1277 1278 if (ada_legacy_aliases) { 1279 #ifdef ATA_STATIC_ID 1280 legacy_id = xpt_path_legacy_ata_id(periph->path); 1281 #else 1282 legacy_id = softc->disk->d_unit; 1283 #endif 1284 if (legacy_id >= 0) { 1285 snprintf(announce_buf, sizeof(announce_buf), 1286 "kern.devalias.%s%d", 1287 softc->disk->d_name, softc->disk->d_unit); 1288 snprintf(buf1, sizeof(buf1), 1289 "ad%d", legacy_id); 1290 setenv(announce_buf, buf1); 1291 } 1292 } else 1293 legacy_id = -1; 1294 /* 1295 * Acquire a reference to the periph before we register with GEOM. 1296 * We'll release this reference once GEOM calls us back (via 1297 * adadiskgonecb()) telling us that our provider has been freed. 1298 */ 1299 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1300 xpt_print(periph->path, "%s: lost periph during " 1301 "registration!\n", __func__); 1302 cam_periph_lock(periph); 1303 return (CAM_REQ_CMP_ERR); 1304 } 1305 disk_create(softc->disk, DISK_VERSION); 1306 cam_periph_lock(periph); 1307 cam_periph_unhold(periph); 1308 1309 dp = &softc->params; 1310 snprintf(announce_buf, sizeof(announce_buf), 1311 "%juMB (%ju %u byte sectors: %dH %dS/T %dC)", 1312 (uintmax_t)(((uintmax_t)dp->secsize * 1313 dp->sectors) / (1024*1024)), 1314 (uintmax_t)dp->sectors, 1315 dp->secsize, dp->heads, 1316 dp->secs_per_track, dp->cylinders); 1317 xpt_announce_periph(periph, announce_buf); 1318 xpt_announce_quirks(periph, softc->quirks, ADA_Q_BIT_STRING); 1319 if (legacy_id >= 0) 1320 printf("%s%d: Previously was known as ad%d\n", 1321 periph->periph_name, periph->unit_number, legacy_id); 1322 1323 /* 1324 * Create our sysctl variables, now that we know 1325 * we have successfully attached. 1326 */ 1327 cam_periph_acquire(periph); 1328 taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task); 1329 1330 /* 1331 * Add async callbacks for bus reset and 1332 * bus device reset calls. I don't bother 1333 * checking if this fails as, in most cases, 1334 * the system will function just fine without 1335 * them and the only alternative would be to 1336 * not attach the device on failure. 1337 */ 1338 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 1339 AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED, 1340 adaasync, periph, periph->path); 1341 1342 /* 1343 * Schedule a periodic event to occasionally send an 1344 * ordered tag to a device. 1345 */ 1346 callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0); 1347 callout_reset(&softc->sendordered_c, 1348 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1349 adasendorderedtag, softc); 1350 1351 if (ADA_RA >= 0 && 1352 cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) { 1353 softc->state = ADA_STATE_RAHEAD; 1354 cam_periph_acquire(periph); 1355 xpt_schedule(periph, CAM_PRIORITY_DEV); 1356 } else if (ADA_WC >= 0 && 1357 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1358 softc->state = ADA_STATE_WCACHE; 1359 cam_periph_acquire(periph); 1360 xpt_schedule(periph, CAM_PRIORITY_DEV); 1361 } else 1362 softc->state = ADA_STATE_NORMAL; 1363 1364 return(CAM_REQ_CMP); 1365 } 1366 1367 static void 1368 adastart(struct cam_periph *periph, union ccb *start_ccb) 1369 { 1370 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1371 struct ccb_ataio *ataio = &start_ccb->ataio; 1372 1373 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n")); 1374 1375 switch (softc->state) { 1376 case ADA_STATE_NORMAL: 1377 { 1378 struct bio *bp; 1379 u_int8_t tag_code; 1380 1381 /* Execute immediate CCB if waiting. */ 1382 if (periph->immediate_priority <= periph->pinfo.priority) { 1383 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1384 ("queuing for immediate ccb\n")); 1385 start_ccb->ccb_h.ccb_state = ADA_CCB_WAITING; 1386 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1387 periph_links.sle); 1388 periph->immediate_priority = CAM_PRIORITY_NONE; 1389 wakeup(&periph->ccb_list); 1390 /* Have more work to do, so ensure we stay scheduled */ 1391 adaschedule(periph); 1392 break; 1393 } 1394 /* Run TRIM if not running yet. */ 1395 if (!softc->trim_running && 1396 (bp = bioq_first(&softc->trim_queue)) != 0) { 1397 struct trim_request *req = &softc->trim_req; 1398 struct bio *bp1; 1399 uint64_t lastlba = (uint64_t)-1; 1400 int bps = 0, c, lastcount = 0, off, ranges = 0; 1401 1402 softc->trim_running = 1; 1403 bzero(req, sizeof(*req)); 1404 bp1 = bp; 1405 do { 1406 uint64_t lba = bp1->bio_pblkno; 1407 int count = bp1->bio_bcount / 1408 softc->params.secsize; 1409 1410 bioq_remove(&softc->trim_queue, bp1); 1411 1412 /* Try to extend the previous range. */ 1413 if (lba == lastlba) { 1414 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 1415 lastcount += c; 1416 off = (ranges - 1) * ATA_DSM_RANGE_SIZE; 1417 req->data[off + 6] = lastcount & 0xff; 1418 req->data[off + 7] = 1419 (lastcount >> 8) & 0xff; 1420 count -= c; 1421 lba += c; 1422 } 1423 1424 while (count > 0) { 1425 c = min(count, ATA_DSM_RANGE_MAX); 1426 off = ranges * ATA_DSM_RANGE_SIZE; 1427 req->data[off + 0] = lba & 0xff; 1428 req->data[off + 1] = (lba >> 8) & 0xff; 1429 req->data[off + 2] = (lba >> 16) & 0xff; 1430 req->data[off + 3] = (lba >> 24) & 0xff; 1431 req->data[off + 4] = (lba >> 32) & 0xff; 1432 req->data[off + 5] = (lba >> 40) & 0xff; 1433 req->data[off + 6] = c & 0xff; 1434 req->data[off + 7] = (c >> 8) & 0xff; 1435 lba += c; 1436 count -= c; 1437 lastcount = c; 1438 ranges++; 1439 /* 1440 * Its the caller's responsibility to ensure the 1441 * request will fit so we don't need to check for 1442 * overrun here 1443 */ 1444 } 1445 lastlba = lba; 1446 req->bps[bps++] = bp1; 1447 bp1 = bioq_first(&softc->trim_queue); 1448 if (bps >= TRIM_MAX_BIOS || 1449 bp1 == NULL || 1450 bp1->bio_bcount / softc->params.secsize > 1451 (softc->trim_max_ranges - ranges) * 1452 ATA_DSM_RANGE_MAX) 1453 break; 1454 } while (1); 1455 cam_fill_ataio(ataio, 1456 ada_retry_count, 1457 adadone, 1458 CAM_DIR_OUT, 1459 0, 1460 req->data, 1461 ((ranges + ATA_DSM_BLK_RANGES - 1) / 1462 ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE, 1463 ada_default_timeout * 1000); 1464 ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT, 1465 ATA_DSM_TRIM, 0, (ranges + ATA_DSM_BLK_RANGES - 1466 1) / ATA_DSM_BLK_RANGES); 1467 start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM; 1468 goto out; 1469 } 1470 /* Run regular command. */ 1471 bp = bioq_first(&softc->bio_queue); 1472 if (bp == NULL) { 1473 xpt_release_ccb(start_ccb); 1474 break; 1475 } 1476 bioq_remove(&softc->bio_queue, bp); 1477 1478 if ((bp->bio_flags & BIO_ORDERED) != 0 1479 || (softc->flags & ADA_FLAG_NEED_OTAG) != 0) { 1480 softc->flags &= ~ADA_FLAG_NEED_OTAG; 1481 softc->ordered_tag_count++; 1482 tag_code = 0; 1483 } else { 1484 tag_code = 1; 1485 } 1486 switch (bp->bio_cmd) { 1487 case BIO_WRITE: 1488 softc->flags |= ADA_FLAG_DIRTY; 1489 /* FALLTHROUGH */ 1490 case BIO_READ: 1491 { 1492 uint64_t lba = bp->bio_pblkno; 1493 uint16_t count = bp->bio_bcount / softc->params.secsize; 1494 #ifdef ADA_TEST_FAILURE 1495 int fail = 0; 1496 1497 /* 1498 * Support the failure ioctls. If the command is a 1499 * read, and there are pending forced read errors, or 1500 * if a write and pending write errors, then fail this 1501 * operation with EIO. This is useful for testing 1502 * purposes. Also, support having every Nth read fail. 1503 * 1504 * This is a rather blunt tool. 1505 */ 1506 if (bp->bio_cmd == BIO_READ) { 1507 if (softc->force_read_error) { 1508 softc->force_read_error--; 1509 fail = 1; 1510 } 1511 if (softc->periodic_read_error > 0) { 1512 if (++softc->periodic_read_count >= 1513 softc->periodic_read_error) { 1514 softc->periodic_read_count = 0; 1515 fail = 1; 1516 } 1517 } 1518 } else { 1519 if (softc->force_write_error) { 1520 softc->force_write_error--; 1521 fail = 1; 1522 } 1523 } 1524 if (fail) { 1525 bp->bio_error = EIO; 1526 bp->bio_flags |= BIO_ERROR; 1527 biodone(bp); 1528 xpt_release_ccb(start_ccb); 1529 adaschedule(periph); 1530 return; 1531 } 1532 #endif 1533 KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 || 1534 round_page(bp->bio_bcount + bp->bio_ma_offset) / 1535 PAGE_SIZE == bp->bio_ma_n, 1536 ("Short bio %p", bp)); 1537 cam_fill_ataio(ataio, 1538 ada_retry_count, 1539 adadone, 1540 (bp->bio_cmd == BIO_READ ? CAM_DIR_IN : 1541 CAM_DIR_OUT) | ((bp->bio_flags & BIO_UNMAPPED) 1542 != 0 ? CAM_DATA_BIO : 0), 1543 tag_code, 1544 ((bp->bio_flags & BIO_UNMAPPED) != 0) ? (void *)bp : 1545 bp->bio_data, 1546 bp->bio_bcount, 1547 ada_default_timeout*1000); 1548 1549 if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) { 1550 if (bp->bio_cmd == BIO_READ) { 1551 ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED, 1552 lba, count); 1553 } else { 1554 ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED, 1555 lba, count); 1556 } 1557 } else if ((softc->flags & ADA_FLAG_CAN_48BIT) && 1558 (lba + count >= ATA_MAX_28BIT_LBA || 1559 count > 256)) { 1560 if (softc->flags & ADA_FLAG_CAN_DMA48) { 1561 if (bp->bio_cmd == BIO_READ) { 1562 ata_48bit_cmd(ataio, ATA_READ_DMA48, 1563 0, lba, count); 1564 } else { 1565 ata_48bit_cmd(ataio, ATA_WRITE_DMA48, 1566 0, lba, count); 1567 } 1568 } else { 1569 if (bp->bio_cmd == BIO_READ) { 1570 ata_48bit_cmd(ataio, ATA_READ_MUL48, 1571 0, lba, count); 1572 } else { 1573 ata_48bit_cmd(ataio, ATA_WRITE_MUL48, 1574 0, lba, count); 1575 } 1576 } 1577 } else { 1578 if (count == 256) 1579 count = 0; 1580 if (softc->flags & ADA_FLAG_CAN_DMA) { 1581 if (bp->bio_cmd == BIO_READ) { 1582 ata_28bit_cmd(ataio, ATA_READ_DMA, 1583 0, lba, count); 1584 } else { 1585 ata_28bit_cmd(ataio, ATA_WRITE_DMA, 1586 0, lba, count); 1587 } 1588 } else { 1589 if (bp->bio_cmd == BIO_READ) { 1590 ata_28bit_cmd(ataio, ATA_READ_MUL, 1591 0, lba, count); 1592 } else { 1593 ata_28bit_cmd(ataio, ATA_WRITE_MUL, 1594 0, lba, count); 1595 } 1596 } 1597 } 1598 break; 1599 } 1600 case BIO_DELETE: 1601 { 1602 uint64_t lba = bp->bio_pblkno; 1603 uint16_t count = bp->bio_bcount / softc->params.secsize; 1604 1605 cam_fill_ataio(ataio, 1606 ada_retry_count, 1607 adadone, 1608 CAM_DIR_NONE, 1609 0, 1610 NULL, 1611 0, 1612 ada_default_timeout*1000); 1613 1614 if (count >= 256) 1615 count = 0; 1616 ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count); 1617 break; 1618 } 1619 case BIO_FLUSH: 1620 cam_fill_ataio(ataio, 1621 1, 1622 adadone, 1623 CAM_DIR_NONE, 1624 0, 1625 NULL, 1626 0, 1627 ada_default_timeout*1000); 1628 1629 if (softc->flags & ADA_FLAG_CAN_48BIT) 1630 ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1631 else 1632 ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0); 1633 break; 1634 } 1635 start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO; 1636 out: 1637 start_ccb->ccb_h.ccb_bp = bp; 1638 softc->outstanding_cmds++; 1639 xpt_action(start_ccb); 1640 1641 /* May have more work to do, so ensure we stay scheduled */ 1642 adaschedule(periph); 1643 break; 1644 } 1645 case ADA_STATE_RAHEAD: 1646 case ADA_STATE_WCACHE: 1647 { 1648 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1649 softc->state = ADA_STATE_NORMAL; 1650 xpt_release_ccb(start_ccb); 1651 cam_periph_release_locked(periph); 1652 return; 1653 } 1654 1655 cam_fill_ataio(ataio, 1656 1, 1657 adadone, 1658 CAM_DIR_NONE, 1659 0, 1660 NULL, 1661 0, 1662 ada_default_timeout*1000); 1663 1664 if (softc->state == ADA_STATE_RAHEAD) { 1665 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ? 1666 ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0); 1667 start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD; 1668 } else { 1669 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ? 1670 ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0); 1671 start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE; 1672 } 1673 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1674 xpt_action(start_ccb); 1675 break; 1676 } 1677 } 1678 } 1679 1680 static void 1681 adadone(struct cam_periph *periph, union ccb *done_ccb) 1682 { 1683 struct ada_softc *softc; 1684 struct ccb_ataio *ataio; 1685 struct ccb_getdev *cgd; 1686 struct cam_path *path; 1687 1688 softc = (struct ada_softc *)periph->softc; 1689 ataio = &done_ccb->ataio; 1690 path = done_ccb->ccb_h.path; 1691 1692 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n")); 1693 1694 switch (ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK) { 1695 case ADA_CCB_BUFFER_IO: 1696 case ADA_CCB_TRIM: 1697 { 1698 struct bio *bp; 1699 1700 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1701 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1702 int error; 1703 1704 error = adaerror(done_ccb, 0, 0); 1705 if (error == ERESTART) { 1706 /* A retry was scheduled, so just return. */ 1707 return; 1708 } 1709 if (error != 0) { 1710 bp->bio_error = error; 1711 bp->bio_resid = bp->bio_bcount; 1712 bp->bio_flags |= BIO_ERROR; 1713 } else { 1714 bp->bio_resid = ataio->resid; 1715 bp->bio_error = 0; 1716 if (bp->bio_resid != 0) 1717 bp->bio_flags |= BIO_ERROR; 1718 } 1719 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1720 cam_release_devq(path, 1721 /*relsim_flags*/0, 1722 /*reduction*/0, 1723 /*timeout*/0, 1724 /*getcount_only*/0); 1725 } else { 1726 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1727 panic("REQ_CMP with QFRZN"); 1728 bp->bio_resid = ataio->resid; 1729 if (ataio->resid > 0) 1730 bp->bio_flags |= BIO_ERROR; 1731 } 1732 softc->outstanding_cmds--; 1733 if (softc->outstanding_cmds == 0) 1734 softc->flags |= ADA_FLAG_WENT_IDLE; 1735 if ((ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK) == 1736 ADA_CCB_TRIM) { 1737 struct trim_request *req = 1738 (struct trim_request *)ataio->data_ptr; 1739 int i; 1740 1741 for (i = 1; i < TRIM_MAX_BIOS && req->bps[i]; i++) { 1742 struct bio *bp1 = req->bps[i]; 1743 1744 bp1->bio_resid = bp->bio_resid; 1745 bp1->bio_error = bp->bio_error; 1746 if (bp->bio_flags & BIO_ERROR) 1747 bp1->bio_flags |= BIO_ERROR; 1748 biodone(bp1); 1749 } 1750 softc->trim_running = 0; 1751 biodone(bp); 1752 adaschedule(periph); 1753 } else 1754 biodone(bp); 1755 break; 1756 } 1757 case ADA_CCB_RAHEAD: 1758 { 1759 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1760 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1761 out: 1762 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1763 cam_release_devq(path, 0, 0, 0, FALSE); 1764 return; 1765 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1766 cam_release_devq(path, 1767 /*relsim_flags*/0, 1768 /*reduction*/0, 1769 /*timeout*/0, 1770 /*getcount_only*/0); 1771 } 1772 } 1773 1774 /* 1775 * Since our peripheral may be invalidated by an error 1776 * above or an external event, we must release our CCB 1777 * before releasing the reference on the peripheral. 1778 * The peripheral will only go away once the last reference 1779 * is removed, and we need it around for the CCB release 1780 * operation. 1781 */ 1782 cgd = (struct ccb_getdev *)done_ccb; 1783 xpt_setup_ccb(&cgd->ccb_h, path, CAM_PRIORITY_NORMAL); 1784 cgd->ccb_h.func_code = XPT_GDEV_TYPE; 1785 xpt_action((union ccb *)cgd); 1786 if (ADA_WC >= 0 && 1787 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1788 softc->state = ADA_STATE_WCACHE; 1789 xpt_release_ccb(done_ccb); 1790 xpt_schedule(periph, CAM_PRIORITY_DEV); 1791 goto out; 1792 } 1793 softc->state = ADA_STATE_NORMAL; 1794 xpt_release_ccb(done_ccb); 1795 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1796 cam_release_devq(path, 0, 0, 0, FALSE); 1797 adaschedule(periph); 1798 cam_periph_release_locked(periph); 1799 return; 1800 } 1801 case ADA_CCB_WCACHE: 1802 { 1803 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1804 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1805 goto out; 1806 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1807 cam_release_devq(path, 1808 /*relsim_flags*/0, 1809 /*reduction*/0, 1810 /*timeout*/0, 1811 /*getcount_only*/0); 1812 } 1813 } 1814 1815 softc->state = ADA_STATE_NORMAL; 1816 /* 1817 * Since our peripheral may be invalidated by an error 1818 * above or an external event, we must release our CCB 1819 * before releasing the reference on the peripheral. 1820 * The peripheral will only go away once the last reference 1821 * is removed, and we need it around for the CCB release 1822 * operation. 1823 */ 1824 xpt_release_ccb(done_ccb); 1825 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1826 cam_release_devq(path, 0, 0, 0, FALSE); 1827 adaschedule(periph); 1828 cam_periph_release_locked(periph); 1829 return; 1830 } 1831 case ADA_CCB_WAITING: 1832 { 1833 /* Caller will release the CCB */ 1834 wakeup(&done_ccb->ccb_h.cbfcnp); 1835 return; 1836 } 1837 case ADA_CCB_DUMP: 1838 /* No-op. We're polling */ 1839 return; 1840 default: 1841 break; 1842 } 1843 xpt_release_ccb(done_ccb); 1844 } 1845 1846 static int 1847 adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1848 { 1849 1850 return(cam_periph_error(ccb, cam_flags, sense_flags, NULL)); 1851 } 1852 1853 static void 1854 adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd) 1855 { 1856 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1857 struct disk_params *dp = &softc->params; 1858 u_int64_t lbasize48; 1859 u_int32_t lbasize; 1860 1861 dp->secsize = ata_logical_sector_size(&cgd->ident_data); 1862 if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) && 1863 cgd->ident_data.current_heads && cgd->ident_data.current_sectors) { 1864 dp->heads = cgd->ident_data.current_heads; 1865 dp->secs_per_track = cgd->ident_data.current_sectors; 1866 dp->cylinders = cgd->ident_data.cylinders; 1867 dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 | 1868 ((u_int32_t)cgd->ident_data.current_size_2 << 16); 1869 } else { 1870 dp->heads = cgd->ident_data.heads; 1871 dp->secs_per_track = cgd->ident_data.sectors; 1872 dp->cylinders = cgd->ident_data.cylinders; 1873 dp->sectors = cgd->ident_data.cylinders * dp->heads * dp->secs_per_track; 1874 } 1875 lbasize = (u_int32_t)cgd->ident_data.lba_size_1 | 1876 ((u_int32_t)cgd->ident_data.lba_size_2 << 16); 1877 1878 /* use the 28bit LBA size if valid or bigger than the CHS mapping */ 1879 if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize) 1880 dp->sectors = lbasize; 1881 1882 /* use the 48bit LBA size if valid */ 1883 lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) | 1884 ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) | 1885 ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) | 1886 ((u_int64_t)cgd->ident_data.lba_size48_4 << 48); 1887 if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) && 1888 lbasize48 > ATA_MAX_28BIT_LBA) 1889 dp->sectors = lbasize48; 1890 } 1891 1892 static void 1893 adasendorderedtag(void *arg) 1894 { 1895 struct ada_softc *softc = arg; 1896 1897 if (ada_send_ordered) { 1898 if ((softc->ordered_tag_count == 0) 1899 && ((softc->flags & ADA_FLAG_WENT_IDLE) == 0)) { 1900 softc->flags |= ADA_FLAG_NEED_OTAG; 1901 } 1902 if (softc->outstanding_cmds > 0) 1903 softc->flags &= ~ADA_FLAG_WENT_IDLE; 1904 1905 softc->ordered_tag_count = 0; 1906 } 1907 /* Queue us up again */ 1908 callout_reset(&softc->sendordered_c, 1909 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1910 adasendorderedtag, softc); 1911 } 1912 1913 /* 1914 * Step through all ADA peripheral drivers, and if the device is still open, 1915 * sync the disk cache to physical media. 1916 */ 1917 static void 1918 adaflush(void) 1919 { 1920 struct cam_periph *periph; 1921 struct ada_softc *softc; 1922 union ccb *ccb; 1923 int error; 1924 1925 CAM_PERIPH_FOREACH(periph, &adadriver) { 1926 softc = (struct ada_softc *)periph->softc; 1927 if (SCHEDULER_STOPPED()) { 1928 /* If we paniced with the lock held, do not recurse. */ 1929 if (!cam_periph_owned(periph) && 1930 (softc->flags & ADA_FLAG_OPEN)) { 1931 adadump(softc->disk, NULL, 0, 0, 0); 1932 } 1933 continue; 1934 } 1935 cam_periph_lock(periph); 1936 /* 1937 * We only sync the cache if the drive is still open, and 1938 * if the drive is capable of it.. 1939 */ 1940 if (((softc->flags & ADA_FLAG_OPEN) == 0) || 1941 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) { 1942 cam_periph_unlock(periph); 1943 continue; 1944 } 1945 1946 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1947 cam_fill_ataio(&ccb->ataio, 1948 0, 1949 adadone, 1950 CAM_DIR_NONE, 1951 0, 1952 NULL, 1953 0, 1954 ada_default_timeout*1000); 1955 if (softc->flags & ADA_FLAG_CAN_48BIT) 1956 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1957 else 1958 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 1959 1960 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 1961 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 1962 softc->disk->d_devstat); 1963 if (error != 0) 1964 xpt_print(periph->path, "Synchronize cache failed\n"); 1965 xpt_release_ccb(ccb); 1966 cam_periph_unlock(periph); 1967 } 1968 } 1969 1970 static void 1971 adaspindown(uint8_t cmd, int flags) 1972 { 1973 struct cam_periph *periph; 1974 struct ada_softc *softc; 1975 union ccb *ccb; 1976 int error; 1977 1978 CAM_PERIPH_FOREACH(periph, &adadriver) { 1979 /* If we paniced with lock held - not recurse here. */ 1980 if (cam_periph_owned(periph)) 1981 continue; 1982 cam_periph_lock(periph); 1983 softc = (struct ada_softc *)periph->softc; 1984 /* 1985 * We only spin-down the drive if it is capable of it.. 1986 */ 1987 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 1988 cam_periph_unlock(periph); 1989 continue; 1990 } 1991 1992 if (bootverbose) 1993 xpt_print(periph->path, "spin-down\n"); 1994 1995 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1996 cam_fill_ataio(&ccb->ataio, 1997 0, 1998 adadone, 1999 CAM_DIR_NONE | flags, 2000 0, 2001 NULL, 2002 0, 2003 ada_default_timeout*1000); 2004 ata_28bit_cmd(&ccb->ataio, cmd, 0, 0, 0); 2005 2006 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 2007 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 2008 softc->disk->d_devstat); 2009 if (error != 0) 2010 xpt_print(periph->path, "Spin-down disk failed\n"); 2011 xpt_release_ccb(ccb); 2012 cam_periph_unlock(periph); 2013 } 2014 } 2015 2016 static void 2017 adashutdown(void *arg, int howto) 2018 { 2019 2020 adaflush(); 2021 if (ada_spindown_shutdown != 0 && 2022 (howto & (RB_HALT | RB_POWEROFF)) != 0) 2023 adaspindown(ATA_STANDBY_IMMEDIATE, 0); 2024 } 2025 2026 static void 2027 adasuspend(void *arg) 2028 { 2029 2030 adaflush(); 2031 if (ada_spindown_suspend != 0) 2032 adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE); 2033 } 2034 2035 static void 2036 adaresume(void *arg) 2037 { 2038 struct cam_periph *periph; 2039 struct ada_softc *softc; 2040 2041 if (ada_spindown_suspend == 0) 2042 return; 2043 2044 CAM_PERIPH_FOREACH(periph, &adadriver) { 2045 cam_periph_lock(periph); 2046 softc = (struct ada_softc *)periph->softc; 2047 /* 2048 * We only spin-down the drive if it is capable of it.. 2049 */ 2050 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2051 cam_periph_unlock(periph); 2052 continue; 2053 } 2054 2055 if (bootverbose) 2056 xpt_print(periph->path, "resume\n"); 2057 2058 /* 2059 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on 2060 * sleep request. 2061 */ 2062 cam_release_devq(periph->path, 2063 /*relsim_flags*/0, 2064 /*openings*/0, 2065 /*timeout*/0, 2066 /*getcount_only*/0); 2067 2068 cam_periph_unlock(periph); 2069 } 2070 } 2071 2072 #endif /* _KERNEL */ 2073