1 /*- 2 * Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include "opt_ada.h" 31 32 #include <sys/param.h> 33 34 #ifdef _KERNEL 35 #include <sys/systm.h> 36 #include <sys/kernel.h> 37 #include <sys/bio.h> 38 #include <sys/sysctl.h> 39 #include <sys/taskqueue.h> 40 #include <sys/lock.h> 41 #include <sys/mutex.h> 42 #include <sys/conf.h> 43 #include <sys/devicestat.h> 44 #include <sys/eventhandler.h> 45 #include <sys/malloc.h> 46 #include <sys/cons.h> 47 #include <sys/proc.h> 48 #include <sys/reboot.h> 49 #include <geom/geom_disk.h> 50 #endif /* _KERNEL */ 51 52 #ifndef _KERNEL 53 #include <stdio.h> 54 #include <string.h> 55 #endif /* _KERNEL */ 56 57 #include <cam/cam.h> 58 #include <cam/cam_ccb.h> 59 #include <cam/cam_periph.h> 60 #include <cam/cam_xpt_periph.h> 61 #include <cam/cam_sim.h> 62 63 #include <cam/ata/ata_all.h> 64 65 #include <machine/md_var.h> /* geometry translation */ 66 67 #ifdef _KERNEL 68 69 #define ATA_MAX_28BIT_LBA 268435455UL 70 71 typedef enum { 72 ADA_STATE_RAHEAD, 73 ADA_STATE_WCACHE, 74 ADA_STATE_NORMAL 75 } ada_state; 76 77 typedef enum { 78 ADA_FLAG_CAN_48BIT = 0x0002, 79 ADA_FLAG_CAN_FLUSHCACHE = 0x0004, 80 ADA_FLAG_CAN_NCQ = 0x0008, 81 ADA_FLAG_CAN_DMA = 0x0010, 82 ADA_FLAG_NEED_OTAG = 0x0020, 83 ADA_FLAG_WENT_IDLE = 0x0040, 84 ADA_FLAG_CAN_TRIM = 0x0080, 85 ADA_FLAG_OPEN = 0x0100, 86 ADA_FLAG_SCTX_INIT = 0x0200, 87 ADA_FLAG_CAN_CFA = 0x0400, 88 ADA_FLAG_CAN_POWERMGT = 0x0800, 89 ADA_FLAG_CAN_DMA48 = 0x1000 90 } ada_flags; 91 92 typedef enum { 93 ADA_Q_NONE = 0x00, 94 ADA_Q_4K = 0x01, 95 } ada_quirks; 96 97 #define ADA_Q_BIT_STRING \ 98 "\020" \ 99 "\0014K" 100 101 typedef enum { 102 ADA_CCB_RAHEAD = 0x01, 103 ADA_CCB_WCACHE = 0x02, 104 ADA_CCB_BUFFER_IO = 0x03, 105 ADA_CCB_WAITING = 0x04, 106 ADA_CCB_DUMP = 0x05, 107 ADA_CCB_TRIM = 0x06, 108 ADA_CCB_TYPE_MASK = 0x0F, 109 } ada_ccb_state; 110 111 /* Offsets into our private area for storing information */ 112 #define ccb_state ppriv_field0 113 #define ccb_bp ppriv_ptr1 114 115 struct disk_params { 116 u_int8_t heads; 117 u_int8_t secs_per_track; 118 u_int32_t cylinders; 119 u_int32_t secsize; /* Number of bytes/logical sector */ 120 u_int64_t sectors; /* Total number sectors */ 121 }; 122 123 #define TRIM_MAX_BLOCKS 8 124 #define TRIM_MAX_RANGES (TRIM_MAX_BLOCKS * ATA_DSM_BLK_RANGES) 125 #define TRIM_MAX_BIOS (TRIM_MAX_RANGES * 4) 126 struct trim_request { 127 uint8_t data[TRIM_MAX_RANGES * ATA_DSM_RANGE_SIZE]; 128 struct bio *bps[TRIM_MAX_BIOS]; 129 }; 130 131 struct ada_softc { 132 struct bio_queue_head bio_queue; 133 struct bio_queue_head trim_queue; 134 ada_state state; 135 ada_flags flags; 136 ada_quirks quirks; 137 int sort_io_queue; 138 int ordered_tag_count; 139 int outstanding_cmds; 140 int trim_max_ranges; 141 int trim_running; 142 int read_ahead; 143 int write_cache; 144 #ifdef ADA_TEST_FAILURE 145 int force_read_error; 146 int force_write_error; 147 int periodic_read_error; 148 int periodic_read_count; 149 #endif 150 struct disk_params params; 151 struct disk *disk; 152 struct task sysctl_task; 153 struct sysctl_ctx_list sysctl_ctx; 154 struct sysctl_oid *sysctl_tree; 155 struct callout sendordered_c; 156 struct trim_request trim_req; 157 }; 158 159 struct ada_quirk_entry { 160 struct scsi_inquiry_pattern inq_pat; 161 ada_quirks quirks; 162 }; 163 164 static struct ada_quirk_entry ada_quirk_table[] = 165 { 166 { 167 /* Hitachi Advanced Format (4k) drives */ 168 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Hitachi H??????????E3*", "*" }, 169 /*quirks*/ADA_Q_4K 170 }, 171 { 172 /* Samsung Advanced Format (4k) drives */ 173 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD155UI*", "*" }, 174 /*quirks*/ADA_Q_4K 175 }, 176 { 177 /* Samsung Advanced Format (4k) drives */ 178 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD204UI*", "*" }, 179 /*quirks*/ADA_Q_4K 180 }, 181 { 182 /* Seagate Barracuda Green Advanced Format (4k) drives */ 183 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DL*", "*" }, 184 /*quirks*/ADA_Q_4K 185 }, 186 { 187 /* Seagate Barracuda Advanced Format (4k) drives */ 188 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???DM*", "*" }, 189 /*quirks*/ADA_Q_4K 190 }, 191 { 192 /* Seagate Barracuda Advanced Format (4k) drives */ 193 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DM*", "*" }, 194 /*quirks*/ADA_Q_4K 195 }, 196 { 197 /* Seagate Momentus Advanced Format (4k) drives */ 198 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500423AS*", "*" }, 199 /*quirks*/ADA_Q_4K 200 }, 201 { 202 /* Seagate Momentus Advanced Format (4k) drives */ 203 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500424AS*", "*" }, 204 /*quirks*/ADA_Q_4K 205 }, 206 { 207 /* Seagate Momentus Advanced Format (4k) drives */ 208 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640423AS*", "*" }, 209 /*quirks*/ADA_Q_4K 210 }, 211 { 212 /* Seagate Momentus Advanced Format (4k) drives */ 213 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640424AS*", "*" }, 214 /*quirks*/ADA_Q_4K 215 }, 216 { 217 /* Seagate Momentus Advanced Format (4k) drives */ 218 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750420AS*", "*" }, 219 /*quirks*/ADA_Q_4K 220 }, 221 { 222 /* Seagate Momentus Advanced Format (4k) drives */ 223 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750422AS*", "*" }, 224 /*quirks*/ADA_Q_4K 225 }, 226 { 227 /* Seagate Momentus Advanced Format (4k) drives */ 228 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750423AS*", "*" }, 229 /*quirks*/ADA_Q_4K 230 }, 231 { 232 /* Seagate Momentus Thin Advanced Format (4k) drives */ 233 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???LT*", "*" }, 234 /*quirks*/ADA_Q_4K 235 }, 236 { 237 /* WDC Caviar Green Advanced Format (4k) drives */ 238 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RS*", "*" }, 239 /*quirks*/ADA_Q_4K 240 }, 241 { 242 /* WDC Caviar Green Advanced Format (4k) drives */ 243 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RX*", "*" }, 244 /*quirks*/ADA_Q_4K 245 }, 246 { 247 /* WDC Caviar Green Advanced Format (4k) drives */ 248 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RS*", "*" }, 249 /*quirks*/ADA_Q_4K 250 }, 251 { 252 /* WDC Caviar Green Advanced Format (4k) drives */ 253 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RX*", "*" }, 254 /*quirks*/ADA_Q_4K 255 }, 256 { 257 /* WDC Scorpio Black Advanced Format (4k) drives */ 258 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PKT*", "*" }, 259 /*quirks*/ADA_Q_4K 260 }, 261 { 262 /* WDC Scorpio Black Advanced Format (4k) drives */ 263 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PKT*", "*" }, 264 /*quirks*/ADA_Q_4K 265 }, 266 { 267 /* WDC Scorpio Blue Advanced Format (4k) drives */ 268 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PVT*", "*" }, 269 /*quirks*/ADA_Q_4K 270 }, 271 { 272 /* WDC Scorpio Blue Advanced Format (4k) drives */ 273 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PVT*", "*" }, 274 /*quirks*/ADA_Q_4K 275 }, 276 /* SSDs */ 277 { 278 /* 279 * Corsair Force 2 SSDs 280 * 4k optimised & trim only works in 4k requests + 4k aligned 281 */ 282 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair CSSD-F*", "*" }, 283 /*quirks*/ADA_Q_4K 284 }, 285 { 286 /* 287 * Corsair Force 3 SSDs 288 * 4k optimised & trim only works in 4k requests + 4k aligned 289 */ 290 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force 3*", "*" }, 291 /*quirks*/ADA_Q_4K 292 }, 293 { 294 /* 295 * Corsair Force GT SSDs 296 * 4k optimised & trim only works in 4k requests + 4k aligned 297 */ 298 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force GT*", "*" }, 299 /*quirks*/ADA_Q_4K 300 }, 301 { 302 /* 303 * Crucial M4 SSDs 304 * 4k optimised & trim only works in 4k requests + 4k aligned 305 */ 306 { T_DIRECT, SIP_MEDIA_FIXED, "*", "M4-CT???M4SSD2*", "*" }, 307 /*quirks*/ADA_Q_4K 308 }, 309 { 310 /* 311 * Crucial RealSSD C300 SSDs 312 * 4k optimised 313 */ 314 { T_DIRECT, SIP_MEDIA_FIXED, "*", "C300-CTFDDAC???MAG*", 315 "*" }, /*quirks*/ADA_Q_4K 316 }, 317 { 318 /* 319 * Intel 320 Series SSDs 320 * 4k optimised & trim only works in 4k requests + 4k aligned 321 */ 322 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2CW*", "*" }, 323 /*quirks*/ADA_Q_4K 324 }, 325 { 326 /* 327 * Intel 330 Series SSDs 328 * 4k optimised & trim only works in 4k requests + 4k aligned 329 */ 330 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2CT*", "*" }, 331 /*quirks*/ADA_Q_4K 332 }, 333 { 334 /* 335 * Intel 510 Series SSDs 336 * 4k optimised & trim only works in 4k requests + 4k aligned 337 */ 338 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2MH*", "*" }, 339 /*quirks*/ADA_Q_4K 340 }, 341 { 342 /* 343 * Intel 520 Series SSDs 344 * 4k optimised & trim only works in 4k requests + 4k aligned 345 */ 346 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2BW*", "*" }, 347 /*quirks*/ADA_Q_4K 348 }, 349 { 350 /* 351 * Kingston E100 Series SSDs 352 * 4k optimised & trim only works in 4k requests + 4k aligned 353 */ 354 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SE100S3*", "*" }, 355 /*quirks*/ADA_Q_4K 356 }, 357 { 358 /* 359 * Kingston HyperX 3k SSDs 360 * 4k optimised & trim only works in 4k requests + 4k aligned 361 */ 362 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SH103S3*", "*" }, 363 /*quirks*/ADA_Q_4K 364 }, 365 { 366 /* 367 * OCZ Agility 3 SSDs 368 * 4k optimised & trim only works in 4k requests + 4k aligned 369 */ 370 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY3*", "*" }, 371 /*quirks*/ADA_Q_4K 372 }, 373 { 374 /* 375 * OCZ Deneva R Series SSDs 376 * 4k optimised & trim only works in 4k requests + 4k aligned 377 */ 378 { T_DIRECT, SIP_MEDIA_FIXED, "*", "DENRSTE251M45*", "*" }, 379 /*quirks*/ADA_Q_4K 380 }, 381 { 382 /* 383 * OCZ Vertex 2 SSDs (inc pro series) 384 * 4k optimised & trim only works in 4k requests + 4k aligned 385 */ 386 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ?VERTEX2*", "*" }, 387 /*quirks*/ADA_Q_4K 388 }, 389 { 390 /* 391 * OCZ Vertex 3 SSDs 392 * 4k optimised & trim only works in 4k requests + 4k aligned 393 */ 394 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX3*", "*" }, 395 /*quirks*/ADA_Q_4K 396 }, 397 { 398 /* 399 * OCZ Vertex 4 SSDs 400 * 4k optimised & trim only works in 4k requests + 4k aligned 401 */ 402 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX4*", "*" }, 403 /*quirks*/ADA_Q_4K 404 }, 405 { 406 /* 407 * Samsung 830 Series SSDs 408 * 4k optimised 409 */ 410 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG SSD 830 Series*", "*" }, 411 /*quirks*/ADA_Q_4K 412 }, 413 { 414 /* 415 * SuperTalent TeraDrive CT SSDs 416 * 4k optimised & trim only works in 4k requests + 4k aligned 417 */ 418 { T_DIRECT, SIP_MEDIA_FIXED, "*", "FTM??CT25H*", "*" }, 419 /*quirks*/ADA_Q_4K 420 }, 421 { 422 /* 423 * XceedIOPS SATA SSDs 424 * 4k optimised 425 */ 426 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SG9XCS2D*", "*" }, 427 /*quirks*/ADA_Q_4K 428 }, 429 { 430 /* Default */ 431 { 432 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 433 /*vendor*/"*", /*product*/"*", /*revision*/"*" 434 }, 435 /*quirks*/0 436 }, 437 }; 438 439 static disk_strategy_t adastrategy; 440 static dumper_t adadump; 441 static periph_init_t adainit; 442 static void adaasync(void *callback_arg, u_int32_t code, 443 struct cam_path *path, void *arg); 444 static void adasysctlinit(void *context, int pending); 445 static periph_ctor_t adaregister; 446 static periph_dtor_t adacleanup; 447 static periph_start_t adastart; 448 static periph_oninv_t adaoninvalidate; 449 static void adadone(struct cam_periph *periph, 450 union ccb *done_ccb); 451 static int adaerror(union ccb *ccb, u_int32_t cam_flags, 452 u_int32_t sense_flags); 453 static void adagetparams(struct cam_periph *periph, 454 struct ccb_getdev *cgd); 455 static timeout_t adasendorderedtag; 456 static void adashutdown(void *arg, int howto); 457 static void adasuspend(void *arg); 458 static void adaresume(void *arg); 459 460 #ifndef ADA_DEFAULT_LEGACY_ALIASES 461 #define ADA_DEFAULT_LEGACY_ALIASES 1 462 #endif 463 464 #ifndef ADA_DEFAULT_TIMEOUT 465 #define ADA_DEFAULT_TIMEOUT 30 /* Timeout in seconds */ 466 #endif 467 468 #ifndef ADA_DEFAULT_RETRY 469 #define ADA_DEFAULT_RETRY 4 470 #endif 471 472 #ifndef ADA_DEFAULT_SEND_ORDERED 473 #define ADA_DEFAULT_SEND_ORDERED 1 474 #endif 475 476 #ifndef ADA_DEFAULT_SPINDOWN_SHUTDOWN 477 #define ADA_DEFAULT_SPINDOWN_SHUTDOWN 1 478 #endif 479 480 #ifndef ADA_DEFAULT_SPINDOWN_SUSPEND 481 #define ADA_DEFAULT_SPINDOWN_SUSPEND 1 482 #endif 483 484 #ifndef ADA_DEFAULT_READ_AHEAD 485 #define ADA_DEFAULT_READ_AHEAD 1 486 #endif 487 488 #ifndef ADA_DEFAULT_WRITE_CACHE 489 #define ADA_DEFAULT_WRITE_CACHE 1 490 #endif 491 492 #define ADA_RA (softc->read_ahead >= 0 ? \ 493 softc->read_ahead : ada_read_ahead) 494 #define ADA_WC (softc->write_cache >= 0 ? \ 495 softc->write_cache : ada_write_cache) 496 #define ADA_SIO (softc->sort_io_queue >= 0 ? \ 497 softc->sort_io_queue : cam_sort_io_queues) 498 499 /* 500 * Most platforms map firmware geometry to actual, but some don't. If 501 * not overridden, default to nothing. 502 */ 503 #ifndef ata_disk_firmware_geom_adjust 504 #define ata_disk_firmware_geom_adjust(disk) 505 #endif 506 507 static int ada_legacy_aliases = ADA_DEFAULT_LEGACY_ALIASES; 508 static int ada_retry_count = ADA_DEFAULT_RETRY; 509 static int ada_default_timeout = ADA_DEFAULT_TIMEOUT; 510 static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED; 511 static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN; 512 static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND; 513 static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD; 514 static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE; 515 516 static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD, 0, 517 "CAM Direct Access Disk driver"); 518 SYSCTL_INT(_kern_cam_ada, OID_AUTO, legacy_aliases, CTLFLAG_RW, 519 &ada_legacy_aliases, 0, "Create legacy-like device aliases"); 520 TUNABLE_INT("kern.cam.ada.legacy_aliases", &ada_legacy_aliases); 521 SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RW, 522 &ada_retry_count, 0, "Normal I/O retry count"); 523 TUNABLE_INT("kern.cam.ada.retry_count", &ada_retry_count); 524 SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RW, 525 &ada_default_timeout, 0, "Normal I/O timeout (in seconds)"); 526 TUNABLE_INT("kern.cam.ada.default_timeout", &ada_default_timeout); 527 SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RW, 528 &ada_send_ordered, 0, "Send Ordered Tags"); 529 TUNABLE_INT("kern.cam.ada.send_ordered", &ada_send_ordered); 530 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RW, 531 &ada_spindown_shutdown, 0, "Spin down upon shutdown"); 532 TUNABLE_INT("kern.cam.ada.spindown_shutdown", &ada_spindown_shutdown); 533 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RW, 534 &ada_spindown_suspend, 0, "Spin down upon suspend"); 535 TUNABLE_INT("kern.cam.ada.spindown_suspend", &ada_spindown_suspend); 536 SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RW, 537 &ada_read_ahead, 0, "Enable disk read-ahead"); 538 TUNABLE_INT("kern.cam.ada.read_ahead", &ada_read_ahead); 539 SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RW, 540 &ada_write_cache, 0, "Enable disk write cache"); 541 TUNABLE_INT("kern.cam.ada.write_cache", &ada_write_cache); 542 543 /* 544 * ADA_ORDEREDTAG_INTERVAL determines how often, relative 545 * to the default timeout, we check to see whether an ordered 546 * tagged transaction is appropriate to prevent simple tag 547 * starvation. Since we'd like to ensure that there is at least 548 * 1/2 of the timeout length left for a starved transaction to 549 * complete after we've sent an ordered tag, we must poll at least 550 * four times in every timeout period. This takes care of the worst 551 * case where a starved transaction starts during an interval that 552 * meets the requirement "don't send an ordered tag" test so it takes 553 * us two intervals to determine that a tag must be sent. 554 */ 555 #ifndef ADA_ORDEREDTAG_INTERVAL 556 #define ADA_ORDEREDTAG_INTERVAL 4 557 #endif 558 559 static struct periph_driver adadriver = 560 { 561 adainit, "ada", 562 TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0 563 }; 564 565 PERIPHDRIVER_DECLARE(ada, adadriver); 566 567 static MALLOC_DEFINE(M_ATADA, "ata_da", "ata_da buffers"); 568 569 static int 570 adaopen(struct disk *dp) 571 { 572 struct cam_periph *periph; 573 struct ada_softc *softc; 574 int error; 575 576 periph = (struct cam_periph *)dp->d_drv1; 577 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 578 return(ENXIO); 579 } 580 581 cam_periph_lock(periph); 582 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 583 cam_periph_unlock(periph); 584 cam_periph_release(periph); 585 return (error); 586 } 587 588 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 589 ("adaopen\n")); 590 591 softc = (struct ada_softc *)periph->softc; 592 softc->flags |= ADA_FLAG_OPEN; 593 594 cam_periph_unhold(periph); 595 cam_periph_unlock(periph); 596 return (0); 597 } 598 599 static int 600 adaclose(struct disk *dp) 601 { 602 struct cam_periph *periph; 603 struct ada_softc *softc; 604 union ccb *ccb; 605 606 periph = (struct cam_periph *)dp->d_drv1; 607 cam_periph_lock(periph); 608 if (cam_periph_hold(periph, PRIBIO) != 0) { 609 cam_periph_unlock(periph); 610 cam_periph_release(periph); 611 return (0); 612 } 613 614 softc = (struct ada_softc *)periph->softc; 615 616 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 617 ("adaclose\n")); 618 619 /* We only sync the cache if the drive is capable of it. */ 620 if ((softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 && 621 (periph->flags & CAM_PERIPH_INVALID) == 0) { 622 623 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 624 cam_fill_ataio(&ccb->ataio, 625 1, 626 adadone, 627 CAM_DIR_NONE, 628 0, 629 NULL, 630 0, 631 ada_default_timeout*1000); 632 633 if (softc->flags & ADA_FLAG_CAN_48BIT) 634 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 635 else 636 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 637 cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 638 /*sense_flags*/0, softc->disk->d_devstat); 639 640 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 641 xpt_print(periph->path, "Synchronize cache failed\n"); 642 xpt_release_ccb(ccb); 643 } 644 645 softc->flags &= ~ADA_FLAG_OPEN; 646 cam_periph_unhold(periph); 647 cam_periph_unlock(periph); 648 cam_periph_release(periph); 649 return (0); 650 } 651 652 static void 653 adaschedule(struct cam_periph *periph) 654 { 655 struct ada_softc *softc = (struct ada_softc *)periph->softc; 656 uint32_t prio; 657 658 if (softc->state != ADA_STATE_NORMAL) 659 return; 660 661 /* Check if cam_periph_getccb() was called. */ 662 prio = periph->immediate_priority; 663 664 /* Check if we have more work to do. */ 665 if (bioq_first(&softc->bio_queue) || 666 (!softc->trim_running && bioq_first(&softc->trim_queue))) { 667 prio = CAM_PRIORITY_NORMAL; 668 } 669 670 /* Schedule CCB if any of above is true. */ 671 if (prio != CAM_PRIORITY_NONE) 672 xpt_schedule(periph, prio); 673 } 674 675 /* 676 * Actually translate the requested transfer into one the physical driver 677 * can understand. The transfer is described by a buf and will include 678 * only one physical transfer. 679 */ 680 static void 681 adastrategy(struct bio *bp) 682 { 683 struct cam_periph *periph; 684 struct ada_softc *softc; 685 686 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 687 softc = (struct ada_softc *)periph->softc; 688 689 cam_periph_lock(periph); 690 691 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp)); 692 693 /* 694 * If the device has been made invalid, error out 695 */ 696 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 697 cam_periph_unlock(periph); 698 biofinish(bp, NULL, ENXIO); 699 return; 700 } 701 702 /* 703 * Place it in the queue of disk activities for this disk 704 */ 705 if (bp->bio_cmd == BIO_DELETE && 706 (softc->flags & ADA_FLAG_CAN_TRIM)) { 707 if (ADA_SIO) 708 bioq_disksort(&softc->trim_queue, bp); 709 else 710 bioq_insert_tail(&softc->trim_queue, bp); 711 } else { 712 if (ADA_SIO) 713 bioq_disksort(&softc->bio_queue, bp); 714 else 715 bioq_insert_tail(&softc->bio_queue, bp); 716 } 717 718 /* 719 * Schedule ourselves for performing the work. 720 */ 721 adaschedule(periph); 722 cam_periph_unlock(periph); 723 724 return; 725 } 726 727 static int 728 adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 729 { 730 struct cam_periph *periph; 731 struct ada_softc *softc; 732 u_int secsize; 733 union ccb ccb; 734 struct disk *dp; 735 uint64_t lba; 736 uint16_t count; 737 int error = 0; 738 739 dp = arg; 740 periph = dp->d_drv1; 741 softc = (struct ada_softc *)periph->softc; 742 cam_periph_lock(periph); 743 secsize = softc->params.secsize; 744 lba = offset / secsize; 745 count = length / secsize; 746 747 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 748 cam_periph_unlock(periph); 749 return (ENXIO); 750 } 751 752 if (length > 0) { 753 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 754 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 755 cam_fill_ataio(&ccb.ataio, 756 0, 757 adadone, 758 CAM_DIR_OUT, 759 0, 760 (u_int8_t *) virtual, 761 length, 762 ada_default_timeout*1000); 763 if ((softc->flags & ADA_FLAG_CAN_48BIT) && 764 (lba + count >= ATA_MAX_28BIT_LBA || 765 count >= 256)) { 766 ata_48bit_cmd(&ccb.ataio, ATA_WRITE_DMA48, 767 0, lba, count); 768 } else { 769 ata_28bit_cmd(&ccb.ataio, ATA_WRITE_DMA, 770 0, lba, count); 771 } 772 xpt_polled_action(&ccb); 773 774 error = cam_periph_error(&ccb, 775 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 776 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 777 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 778 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 779 if (error != 0) 780 printf("Aborting dump due to I/O error.\n"); 781 782 cam_periph_unlock(periph); 783 return (error); 784 } 785 786 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { 787 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 788 789 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 790 cam_fill_ataio(&ccb.ataio, 791 0, 792 adadone, 793 CAM_DIR_NONE, 794 0, 795 NULL, 796 0, 797 ada_default_timeout*1000); 798 799 if (softc->flags & ADA_FLAG_CAN_48BIT) 800 ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); 801 else 802 ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); 803 xpt_polled_action(&ccb); 804 805 error = cam_periph_error(&ccb, 806 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 807 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 808 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 809 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 810 if (error != 0) 811 xpt_print(periph->path, "Synchronize cache failed\n"); 812 } 813 cam_periph_unlock(periph); 814 return (error); 815 } 816 817 static void 818 adainit(void) 819 { 820 cam_status status; 821 822 /* 823 * Install a global async callback. This callback will 824 * receive async callbacks like "new device found". 825 */ 826 status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL); 827 828 if (status != CAM_REQ_CMP) { 829 printf("ada: Failed to attach master async callback " 830 "due to status 0x%x!\n", status); 831 } else if (ada_send_ordered) { 832 833 /* Register our event handlers */ 834 if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend, 835 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 836 printf("adainit: power event registration failed!\n"); 837 if ((EVENTHANDLER_REGISTER(power_resume, adaresume, 838 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 839 printf("adainit: power event registration failed!\n"); 840 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown, 841 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 842 printf("adainit: shutdown event registration failed!\n"); 843 } 844 } 845 846 /* 847 * Callback from GEOM, called when it has finished cleaning up its 848 * resources. 849 */ 850 static void 851 adadiskgonecb(struct disk *dp) 852 { 853 struct cam_periph *periph; 854 855 periph = (struct cam_periph *)dp->d_drv1; 856 857 cam_periph_release(periph); 858 } 859 860 static void 861 adaoninvalidate(struct cam_periph *periph) 862 { 863 struct ada_softc *softc; 864 865 softc = (struct ada_softc *)periph->softc; 866 867 /* 868 * De-register any async callbacks. 869 */ 870 xpt_register_async(0, adaasync, periph, periph->path); 871 872 /* 873 * Return all queued I/O with ENXIO. 874 * XXX Handle any transactions queued to the card 875 * with XPT_ABORT_CCB. 876 */ 877 bioq_flush(&softc->bio_queue, NULL, ENXIO); 878 bioq_flush(&softc->trim_queue, NULL, ENXIO); 879 880 disk_gone(softc->disk); 881 xpt_print(periph->path, "lost device\n"); 882 } 883 884 static void 885 adacleanup(struct cam_periph *periph) 886 { 887 struct ada_softc *softc; 888 889 softc = (struct ada_softc *)periph->softc; 890 891 xpt_print(periph->path, "removing device entry\n"); 892 cam_periph_unlock(periph); 893 894 /* 895 * If we can't free the sysctl tree, oh well... 896 */ 897 if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0 898 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 899 xpt_print(periph->path, "can't remove sysctl context\n"); 900 } 901 902 disk_destroy(softc->disk); 903 callout_drain(&softc->sendordered_c); 904 free(softc, M_DEVBUF); 905 cam_periph_lock(periph); 906 } 907 908 static void 909 adaasync(void *callback_arg, u_int32_t code, 910 struct cam_path *path, void *arg) 911 { 912 struct ccb_getdev cgd; 913 struct cam_periph *periph; 914 struct ada_softc *softc; 915 916 periph = (struct cam_periph *)callback_arg; 917 switch (code) { 918 case AC_FOUND_DEVICE: 919 { 920 struct ccb_getdev *cgd; 921 cam_status status; 922 923 cgd = (struct ccb_getdev *)arg; 924 if (cgd == NULL) 925 break; 926 927 if (cgd->protocol != PROTO_ATA) 928 break; 929 930 /* 931 * Allocate a peripheral instance for 932 * this device and start the probe 933 * process. 934 */ 935 status = cam_periph_alloc(adaregister, adaoninvalidate, 936 adacleanup, adastart, 937 "ada", CAM_PERIPH_BIO, 938 cgd->ccb_h.path, adaasync, 939 AC_FOUND_DEVICE, cgd); 940 941 if (status != CAM_REQ_CMP 942 && status != CAM_REQ_INPROG) 943 printf("adaasync: Unable to attach to new device " 944 "due to status 0x%x\n", status); 945 break; 946 } 947 case AC_GETDEV_CHANGED: 948 { 949 softc = (struct ada_softc *)periph->softc; 950 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 951 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 952 xpt_action((union ccb *)&cgd); 953 954 if ((cgd.ident_data.capabilities1 & ATA_SUPPORT_DMA) && 955 (cgd.inq_flags & SID_DMA)) 956 softc->flags |= ADA_FLAG_CAN_DMA; 957 else 958 softc->flags &= ~ADA_FLAG_CAN_DMA; 959 if (cgd.ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 960 softc->flags |= ADA_FLAG_CAN_48BIT; 961 if (cgd.inq_flags & SID_DMA48) 962 softc->flags |= ADA_FLAG_CAN_DMA48; 963 else 964 softc->flags &= ~ADA_FLAG_CAN_DMA48; 965 } else 966 softc->flags &= ~(ADA_FLAG_CAN_48BIT | 967 ADA_FLAG_CAN_DMA48); 968 if ((cgd.ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 969 (cgd.inq_flags & SID_DMA) && (cgd.inq_flags & SID_CmdQue)) 970 softc->flags |= ADA_FLAG_CAN_NCQ; 971 else 972 softc->flags &= ~ADA_FLAG_CAN_NCQ; 973 if ((cgd.ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 974 (cgd.inq_flags & SID_DMA)) 975 softc->flags |= ADA_FLAG_CAN_TRIM; 976 else 977 softc->flags &= ~ADA_FLAG_CAN_TRIM; 978 979 cam_periph_async(periph, code, path, arg); 980 break; 981 } 982 case AC_ADVINFO_CHANGED: 983 { 984 uintptr_t buftype; 985 986 buftype = (uintptr_t)arg; 987 if (buftype == CDAI_TYPE_PHYS_PATH) { 988 struct ada_softc *softc; 989 990 softc = periph->softc; 991 disk_attr_changed(softc->disk, "GEOM::physpath", 992 M_NOWAIT); 993 } 994 break; 995 } 996 case AC_SENT_BDR: 997 case AC_BUS_RESET: 998 { 999 softc = (struct ada_softc *)periph->softc; 1000 cam_periph_async(periph, code, path, arg); 1001 if (softc->state != ADA_STATE_NORMAL) 1002 break; 1003 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1004 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1005 xpt_action((union ccb *)&cgd); 1006 if (ADA_RA >= 0 && 1007 cgd.ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) 1008 softc->state = ADA_STATE_RAHEAD; 1009 else if (ADA_WC >= 0 && 1010 cgd.ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) 1011 softc->state = ADA_STATE_WCACHE; 1012 else 1013 break; 1014 cam_periph_acquire(periph); 1015 xpt_schedule(periph, CAM_PRIORITY_DEV); 1016 } 1017 default: 1018 cam_periph_async(periph, code, path, arg); 1019 break; 1020 } 1021 } 1022 1023 static void 1024 adasysctlinit(void *context, int pending) 1025 { 1026 struct cam_periph *periph; 1027 struct ada_softc *softc; 1028 char tmpstr[80], tmpstr2[80]; 1029 1030 periph = (struct cam_periph *)context; 1031 1032 /* periph was held for us when this task was enqueued */ 1033 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1034 cam_periph_release(periph); 1035 return; 1036 } 1037 1038 softc = (struct ada_softc *)periph->softc; 1039 snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d", periph->unit_number); 1040 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1041 1042 sysctl_ctx_init(&softc->sysctl_ctx); 1043 softc->flags |= ADA_FLAG_SCTX_INIT; 1044 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1045 SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2, 1046 CTLFLAG_RD, 0, tmpstr); 1047 if (softc->sysctl_tree == NULL) { 1048 printf("adasysctlinit: unable to allocate sysctl tree\n"); 1049 cam_periph_release(periph); 1050 return; 1051 } 1052 1053 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1054 OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE, 1055 &softc->read_ahead, 0, "Enable disk read ahead."); 1056 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1057 OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE, 1058 &softc->write_cache, 0, "Enable disk write cache."); 1059 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1060 OID_AUTO, "sort_io_queue", CTLFLAG_RW | CTLFLAG_MPSAFE, 1061 &softc->sort_io_queue, 0, 1062 "Sort IO queue to try and optimise disk access patterns"); 1063 #ifdef ADA_TEST_FAILURE 1064 /* 1065 * Add a 'door bell' sysctl which allows one to set it from userland 1066 * and cause something bad to happen. For the moment, we only allow 1067 * whacking the next read or write. 1068 */ 1069 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1070 OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1071 &softc->force_read_error, 0, 1072 "Force a read error for the next N reads."); 1073 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1074 OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1075 &softc->force_write_error, 0, 1076 "Force a write error for the next N writes."); 1077 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1078 OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1079 &softc->periodic_read_error, 0, 1080 "Force a read error every N reads (don't set too low)."); 1081 #endif 1082 cam_periph_release(periph); 1083 } 1084 1085 static int 1086 adagetattr(struct bio *bp) 1087 { 1088 int ret; 1089 struct cam_periph *periph; 1090 1091 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1092 cam_periph_lock(periph); 1093 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1094 periph->path); 1095 cam_periph_unlock(periph); 1096 if (ret == 0) 1097 bp->bio_completed = bp->bio_length; 1098 return ret; 1099 } 1100 1101 static cam_status 1102 adaregister(struct cam_periph *periph, void *arg) 1103 { 1104 struct ada_softc *softc; 1105 struct ccb_pathinq cpi; 1106 struct ccb_getdev *cgd; 1107 char announce_buf[80], buf1[32]; 1108 struct disk_params *dp; 1109 caddr_t match; 1110 u_int maxio; 1111 int legacy_id, quirks; 1112 1113 cgd = (struct ccb_getdev *)arg; 1114 if (cgd == NULL) { 1115 printf("adaregister: no getdev CCB, can't register device\n"); 1116 return(CAM_REQ_CMP_ERR); 1117 } 1118 1119 softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF, 1120 M_NOWAIT|M_ZERO); 1121 1122 if (softc == NULL) { 1123 printf("adaregister: Unable to probe new device. " 1124 "Unable to allocate softc\n"); 1125 return(CAM_REQ_CMP_ERR); 1126 } 1127 1128 bioq_init(&softc->bio_queue); 1129 bioq_init(&softc->trim_queue); 1130 1131 if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1132 (cgd->inq_flags & SID_DMA)) 1133 softc->flags |= ADA_FLAG_CAN_DMA; 1134 if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1135 softc->flags |= ADA_FLAG_CAN_48BIT; 1136 if (cgd->inq_flags & SID_DMA48) 1137 softc->flags |= ADA_FLAG_CAN_DMA48; 1138 } 1139 if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE) 1140 softc->flags |= ADA_FLAG_CAN_FLUSHCACHE; 1141 if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT) 1142 softc->flags |= ADA_FLAG_CAN_POWERMGT; 1143 if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1144 (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue)) 1145 softc->flags |= ADA_FLAG_CAN_NCQ; 1146 if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1147 (cgd->inq_flags & SID_DMA)) { 1148 softc->flags |= ADA_FLAG_CAN_TRIM; 1149 softc->trim_max_ranges = TRIM_MAX_RANGES; 1150 if (cgd->ident_data.max_dsm_blocks != 0) { 1151 softc->trim_max_ranges = 1152 min(cgd->ident_data.max_dsm_blocks * 1153 ATA_DSM_BLK_RANGES, softc->trim_max_ranges); 1154 } 1155 } 1156 if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA) 1157 softc->flags |= ADA_FLAG_CAN_CFA; 1158 1159 periph->softc = softc; 1160 1161 /* 1162 * See if this device has any quirks. 1163 */ 1164 match = cam_quirkmatch((caddr_t)&cgd->ident_data, 1165 (caddr_t)ada_quirk_table, 1166 sizeof(ada_quirk_table)/sizeof(*ada_quirk_table), 1167 sizeof(*ada_quirk_table), ata_identify_match); 1168 if (match != NULL) 1169 softc->quirks = ((struct ada_quirk_entry *)match)->quirks; 1170 else 1171 softc->quirks = ADA_Q_NONE; 1172 1173 bzero(&cpi, sizeof(cpi)); 1174 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 1175 cpi.ccb_h.func_code = XPT_PATH_INQ; 1176 xpt_action((union ccb *)&cpi); 1177 1178 TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph); 1179 1180 /* 1181 * Register this media as a disk 1182 */ 1183 (void)cam_periph_hold(periph, PRIBIO); 1184 cam_periph_unlock(periph); 1185 snprintf(announce_buf, sizeof(announce_buf), 1186 "kern.cam.ada.%d.quirks", periph->unit_number); 1187 quirks = softc->quirks; 1188 TUNABLE_INT_FETCH(announce_buf, &quirks); 1189 softc->quirks = quirks; 1190 softc->read_ahead = -1; 1191 snprintf(announce_buf, sizeof(announce_buf), 1192 "kern.cam.ada.%d.read_ahead", periph->unit_number); 1193 TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead); 1194 softc->write_cache = -1; 1195 snprintf(announce_buf, sizeof(announce_buf), 1196 "kern.cam.ada.%d.write_cache", periph->unit_number); 1197 TUNABLE_INT_FETCH(announce_buf, &softc->write_cache); 1198 /* Disable queue sorting for non-rotational media by default. */ 1199 if (cgd->ident_data.media_rotation_rate == 1) 1200 softc->sort_io_queue = 0; 1201 else 1202 softc->sort_io_queue = -1; 1203 adagetparams(periph, cgd); 1204 softc->disk = disk_alloc(); 1205 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1206 periph->unit_number, softc->params.secsize, 1207 DEVSTAT_ALL_SUPPORTED, 1208 DEVSTAT_TYPE_DIRECT | 1209 XPORT_DEVSTAT_TYPE(cpi.transport), 1210 DEVSTAT_PRIORITY_DISK); 1211 softc->disk->d_open = adaopen; 1212 softc->disk->d_close = adaclose; 1213 softc->disk->d_strategy = adastrategy; 1214 softc->disk->d_getattr = adagetattr; 1215 softc->disk->d_dump = adadump; 1216 softc->disk->d_gone = adadiskgonecb; 1217 softc->disk->d_name = "ada"; 1218 softc->disk->d_drv1 = periph; 1219 maxio = cpi.maxio; /* Honor max I/O size of SIM */ 1220 if (maxio == 0) 1221 maxio = DFLTPHYS; /* traditional default */ 1222 else if (maxio > MAXPHYS) 1223 maxio = MAXPHYS; /* for safety */ 1224 if (softc->flags & ADA_FLAG_CAN_48BIT) 1225 maxio = min(maxio, 65536 * softc->params.secsize); 1226 else /* 28bit ATA command limit */ 1227 maxio = min(maxio, 256 * softc->params.secsize); 1228 softc->disk->d_maxsize = maxio; 1229 softc->disk->d_unit = periph->unit_number; 1230 softc->disk->d_flags = 0; 1231 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) 1232 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1233 if (softc->flags & ADA_FLAG_CAN_TRIM) { 1234 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1235 softc->disk->d_delmaxsize = softc->params.secsize * 1236 ATA_DSM_RANGE_MAX * 1237 softc->trim_max_ranges; 1238 } else if ((softc->flags & ADA_FLAG_CAN_CFA) && 1239 !(softc->flags & ADA_FLAG_CAN_48BIT)) { 1240 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1241 softc->disk->d_delmaxsize = 256 * softc->params.secsize; 1242 } else 1243 softc->disk->d_delmaxsize = maxio; 1244 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) 1245 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 1246 strlcpy(softc->disk->d_descr, cgd->ident_data.model, 1247 MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model))); 1248 strlcpy(softc->disk->d_ident, cgd->ident_data.serial, 1249 MIN(sizeof(softc->disk->d_ident), sizeof(cgd->ident_data.serial))); 1250 softc->disk->d_hba_vendor = cpi.hba_vendor; 1251 softc->disk->d_hba_device = cpi.hba_device; 1252 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1253 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1254 1255 softc->disk->d_sectorsize = softc->params.secsize; 1256 softc->disk->d_mediasize = (off_t)softc->params.sectors * 1257 softc->params.secsize; 1258 if (ata_physical_sector_size(&cgd->ident_data) != 1259 softc->params.secsize) { 1260 softc->disk->d_stripesize = 1261 ata_physical_sector_size(&cgd->ident_data); 1262 softc->disk->d_stripeoffset = (softc->disk->d_stripesize - 1263 ata_logical_sector_offset(&cgd->ident_data)) % 1264 softc->disk->d_stripesize; 1265 } else if (softc->quirks & ADA_Q_4K) { 1266 softc->disk->d_stripesize = 4096; 1267 softc->disk->d_stripeoffset = 0; 1268 } 1269 softc->disk->d_fwsectors = softc->params.secs_per_track; 1270 softc->disk->d_fwheads = softc->params.heads; 1271 ata_disk_firmware_geom_adjust(softc->disk); 1272 1273 if (ada_legacy_aliases) { 1274 #ifdef ATA_STATIC_ID 1275 legacy_id = xpt_path_legacy_ata_id(periph->path); 1276 #else 1277 legacy_id = softc->disk->d_unit; 1278 #endif 1279 if (legacy_id >= 0) { 1280 snprintf(announce_buf, sizeof(announce_buf), 1281 "kern.devalias.%s%d", 1282 softc->disk->d_name, softc->disk->d_unit); 1283 snprintf(buf1, sizeof(buf1), 1284 "ad%d", legacy_id); 1285 setenv(announce_buf, buf1); 1286 } 1287 } else 1288 legacy_id = -1; 1289 /* 1290 * Acquire a reference to the periph before we register with GEOM. 1291 * We'll release this reference once GEOM calls us back (via 1292 * adadiskgonecb()) telling us that our provider has been freed. 1293 */ 1294 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1295 xpt_print(periph->path, "%s: lost periph during " 1296 "registration!\n", __func__); 1297 cam_periph_lock(periph); 1298 return (CAM_REQ_CMP_ERR); 1299 } 1300 disk_create(softc->disk, DISK_VERSION); 1301 cam_periph_lock(periph); 1302 cam_periph_unhold(periph); 1303 1304 dp = &softc->params; 1305 snprintf(announce_buf, sizeof(announce_buf), 1306 "%juMB (%ju %u byte sectors: %dH %dS/T %dC)", 1307 (uintmax_t)(((uintmax_t)dp->secsize * 1308 dp->sectors) / (1024*1024)), 1309 (uintmax_t)dp->sectors, 1310 dp->secsize, dp->heads, 1311 dp->secs_per_track, dp->cylinders); 1312 xpt_announce_periph(periph, announce_buf); 1313 xpt_announce_quirks(periph, softc->quirks, ADA_Q_BIT_STRING); 1314 if (legacy_id >= 0) 1315 printf("%s%d: Previously was known as ad%d\n", 1316 periph->periph_name, periph->unit_number, legacy_id); 1317 1318 /* 1319 * Create our sysctl variables, now that we know 1320 * we have successfully attached. 1321 */ 1322 cam_periph_acquire(periph); 1323 taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task); 1324 1325 /* 1326 * Add async callbacks for bus reset and 1327 * bus device reset calls. I don't bother 1328 * checking if this fails as, in most cases, 1329 * the system will function just fine without 1330 * them and the only alternative would be to 1331 * not attach the device on failure. 1332 */ 1333 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 1334 AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED, 1335 adaasync, periph, periph->path); 1336 1337 /* 1338 * Schedule a periodic event to occasionally send an 1339 * ordered tag to a device. 1340 */ 1341 callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0); 1342 callout_reset(&softc->sendordered_c, 1343 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1344 adasendorderedtag, softc); 1345 1346 if (ADA_RA >= 0 && 1347 cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) { 1348 softc->state = ADA_STATE_RAHEAD; 1349 cam_periph_acquire(periph); 1350 xpt_schedule(periph, CAM_PRIORITY_DEV); 1351 } else if (ADA_WC >= 0 && 1352 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1353 softc->state = ADA_STATE_WCACHE; 1354 cam_periph_acquire(periph); 1355 xpt_schedule(periph, CAM_PRIORITY_DEV); 1356 } else 1357 softc->state = ADA_STATE_NORMAL; 1358 1359 return(CAM_REQ_CMP); 1360 } 1361 1362 static void 1363 adastart(struct cam_periph *periph, union ccb *start_ccb) 1364 { 1365 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1366 struct ccb_ataio *ataio = &start_ccb->ataio; 1367 1368 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n")); 1369 1370 switch (softc->state) { 1371 case ADA_STATE_NORMAL: 1372 { 1373 struct bio *bp; 1374 u_int8_t tag_code; 1375 1376 /* Execute immediate CCB if waiting. */ 1377 if (periph->immediate_priority <= periph->pinfo.priority) { 1378 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1379 ("queuing for immediate ccb\n")); 1380 start_ccb->ccb_h.ccb_state = ADA_CCB_WAITING; 1381 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1382 periph_links.sle); 1383 periph->immediate_priority = CAM_PRIORITY_NONE; 1384 wakeup(&periph->ccb_list); 1385 /* Have more work to do, so ensure we stay scheduled */ 1386 adaschedule(periph); 1387 break; 1388 } 1389 /* Run TRIM if not running yet. */ 1390 if (!softc->trim_running && 1391 (bp = bioq_first(&softc->trim_queue)) != 0) { 1392 struct trim_request *req = &softc->trim_req; 1393 struct bio *bp1; 1394 uint64_t lastlba = (uint64_t)-1; 1395 int bps = 0, c, lastcount = 0, off, ranges = 0; 1396 1397 softc->trim_running = 1; 1398 bzero(req, sizeof(*req)); 1399 bp1 = bp; 1400 do { 1401 uint64_t lba = bp1->bio_pblkno; 1402 int count = bp1->bio_bcount / 1403 softc->params.secsize; 1404 1405 bioq_remove(&softc->trim_queue, bp1); 1406 1407 /* Try to extend the previous range. */ 1408 if (lba == lastlba) { 1409 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 1410 lastcount += c; 1411 off = (ranges - 1) * ATA_DSM_RANGE_SIZE; 1412 req->data[off + 6] = lastcount & 0xff; 1413 req->data[off + 7] = 1414 (lastcount >> 8) & 0xff; 1415 count -= c; 1416 lba += c; 1417 } 1418 1419 while (count > 0) { 1420 c = min(count, ATA_DSM_RANGE_MAX); 1421 off = ranges * ATA_DSM_RANGE_SIZE; 1422 req->data[off + 0] = lba & 0xff; 1423 req->data[off + 1] = (lba >> 8) & 0xff; 1424 req->data[off + 2] = (lba >> 16) & 0xff; 1425 req->data[off + 3] = (lba >> 24) & 0xff; 1426 req->data[off + 4] = (lba >> 32) & 0xff; 1427 req->data[off + 5] = (lba >> 40) & 0xff; 1428 req->data[off + 6] = c & 0xff; 1429 req->data[off + 7] = (c >> 8) & 0xff; 1430 lba += c; 1431 count -= c; 1432 lastcount = c; 1433 ranges++; 1434 /* 1435 * Its the caller's responsibility to ensure the 1436 * request will fit so we don't need to check for 1437 * overrun here 1438 */ 1439 } 1440 lastlba = lba; 1441 req->bps[bps++] = bp1; 1442 bp1 = bioq_first(&softc->trim_queue); 1443 if (bps >= TRIM_MAX_BIOS || 1444 bp1 == NULL || 1445 bp1->bio_bcount / softc->params.secsize > 1446 (softc->trim_max_ranges - ranges) * 1447 ATA_DSM_RANGE_MAX) 1448 break; 1449 } while (1); 1450 cam_fill_ataio(ataio, 1451 ada_retry_count, 1452 adadone, 1453 CAM_DIR_OUT, 1454 0, 1455 req->data, 1456 ((ranges + ATA_DSM_BLK_RANGES - 1) / 1457 ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE, 1458 ada_default_timeout * 1000); 1459 ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT, 1460 ATA_DSM_TRIM, 0, (ranges + ATA_DSM_BLK_RANGES - 1461 1) / ATA_DSM_BLK_RANGES); 1462 start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM; 1463 goto out; 1464 } 1465 /* Run regular command. */ 1466 bp = bioq_first(&softc->bio_queue); 1467 if (bp == NULL) { 1468 xpt_release_ccb(start_ccb); 1469 break; 1470 } 1471 bioq_remove(&softc->bio_queue, bp); 1472 1473 if ((bp->bio_flags & BIO_ORDERED) != 0 1474 || (softc->flags & ADA_FLAG_NEED_OTAG) != 0) { 1475 softc->flags &= ~ADA_FLAG_NEED_OTAG; 1476 softc->ordered_tag_count++; 1477 tag_code = 0; 1478 } else { 1479 tag_code = 1; 1480 } 1481 switch (bp->bio_cmd) { 1482 case BIO_READ: 1483 case BIO_WRITE: 1484 { 1485 uint64_t lba = bp->bio_pblkno; 1486 uint16_t count = bp->bio_bcount / softc->params.secsize; 1487 #ifdef ADA_TEST_FAILURE 1488 int fail = 0; 1489 1490 /* 1491 * Support the failure ioctls. If the command is a 1492 * read, and there are pending forced read errors, or 1493 * if a write and pending write errors, then fail this 1494 * operation with EIO. This is useful for testing 1495 * purposes. Also, support having every Nth read fail. 1496 * 1497 * This is a rather blunt tool. 1498 */ 1499 if (bp->bio_cmd == BIO_READ) { 1500 if (softc->force_read_error) { 1501 softc->force_read_error--; 1502 fail = 1; 1503 } 1504 if (softc->periodic_read_error > 0) { 1505 if (++softc->periodic_read_count >= 1506 softc->periodic_read_error) { 1507 softc->periodic_read_count = 0; 1508 fail = 1; 1509 } 1510 } 1511 } else { 1512 if (softc->force_write_error) { 1513 softc->force_write_error--; 1514 fail = 1; 1515 } 1516 } 1517 if (fail) { 1518 bp->bio_error = EIO; 1519 bp->bio_flags |= BIO_ERROR; 1520 biodone(bp); 1521 xpt_release_ccb(start_ccb); 1522 adaschedule(periph); 1523 return; 1524 } 1525 #endif 1526 KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 || 1527 round_page(bp->bio_bcount + bp->bio_ma_offset) / 1528 PAGE_SIZE == bp->bio_ma_n, 1529 ("Short bio %p", bp)); 1530 cam_fill_ataio(ataio, 1531 ada_retry_count, 1532 adadone, 1533 (bp->bio_cmd == BIO_READ ? CAM_DIR_IN : 1534 CAM_DIR_OUT) | ((bp->bio_flags & BIO_UNMAPPED) 1535 != 0 ? CAM_DATA_BIO : 0), 1536 tag_code, 1537 ((bp->bio_flags & BIO_UNMAPPED) != 0) ? (void *)bp : 1538 bp->bio_data, 1539 bp->bio_bcount, 1540 ada_default_timeout*1000); 1541 1542 if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) { 1543 if (bp->bio_cmd == BIO_READ) { 1544 ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED, 1545 lba, count); 1546 } else { 1547 ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED, 1548 lba, count); 1549 } 1550 } else if ((softc->flags & ADA_FLAG_CAN_48BIT) && 1551 (lba + count >= ATA_MAX_28BIT_LBA || 1552 count > 256)) { 1553 if (softc->flags & ADA_FLAG_CAN_DMA48) { 1554 if (bp->bio_cmd == BIO_READ) { 1555 ata_48bit_cmd(ataio, ATA_READ_DMA48, 1556 0, lba, count); 1557 } else { 1558 ata_48bit_cmd(ataio, ATA_WRITE_DMA48, 1559 0, lba, count); 1560 } 1561 } else { 1562 if (bp->bio_cmd == BIO_READ) { 1563 ata_48bit_cmd(ataio, ATA_READ_MUL48, 1564 0, lba, count); 1565 } else { 1566 ata_48bit_cmd(ataio, ATA_WRITE_MUL48, 1567 0, lba, count); 1568 } 1569 } 1570 } else { 1571 if (count == 256) 1572 count = 0; 1573 if (softc->flags & ADA_FLAG_CAN_DMA) { 1574 if (bp->bio_cmd == BIO_READ) { 1575 ata_28bit_cmd(ataio, ATA_READ_DMA, 1576 0, lba, count); 1577 } else { 1578 ata_28bit_cmd(ataio, ATA_WRITE_DMA, 1579 0, lba, count); 1580 } 1581 } else { 1582 if (bp->bio_cmd == BIO_READ) { 1583 ata_28bit_cmd(ataio, ATA_READ_MUL, 1584 0, lba, count); 1585 } else { 1586 ata_28bit_cmd(ataio, ATA_WRITE_MUL, 1587 0, lba, count); 1588 } 1589 } 1590 } 1591 break; 1592 } 1593 case BIO_DELETE: 1594 { 1595 uint64_t lba = bp->bio_pblkno; 1596 uint16_t count = bp->bio_bcount / softc->params.secsize; 1597 1598 cam_fill_ataio(ataio, 1599 ada_retry_count, 1600 adadone, 1601 CAM_DIR_NONE, 1602 0, 1603 NULL, 1604 0, 1605 ada_default_timeout*1000); 1606 1607 if (count >= 256) 1608 count = 0; 1609 ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count); 1610 break; 1611 } 1612 case BIO_FLUSH: 1613 cam_fill_ataio(ataio, 1614 1, 1615 adadone, 1616 CAM_DIR_NONE, 1617 0, 1618 NULL, 1619 0, 1620 ada_default_timeout*1000); 1621 1622 if (softc->flags & ADA_FLAG_CAN_48BIT) 1623 ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1624 else 1625 ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0); 1626 break; 1627 } 1628 start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO; 1629 out: 1630 start_ccb->ccb_h.ccb_bp = bp; 1631 softc->outstanding_cmds++; 1632 xpt_action(start_ccb); 1633 1634 /* May have more work to do, so ensure we stay scheduled */ 1635 adaschedule(periph); 1636 break; 1637 } 1638 case ADA_STATE_RAHEAD: 1639 case ADA_STATE_WCACHE: 1640 { 1641 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1642 softc->state = ADA_STATE_NORMAL; 1643 xpt_release_ccb(start_ccb); 1644 cam_periph_release_locked(periph); 1645 return; 1646 } 1647 1648 cam_fill_ataio(ataio, 1649 1, 1650 adadone, 1651 CAM_DIR_NONE, 1652 0, 1653 NULL, 1654 0, 1655 ada_default_timeout*1000); 1656 1657 if (softc->state == ADA_STATE_RAHEAD) { 1658 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ? 1659 ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0); 1660 start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD; 1661 } else { 1662 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ? 1663 ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0); 1664 start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE; 1665 } 1666 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1667 xpt_action(start_ccb); 1668 break; 1669 } 1670 } 1671 } 1672 1673 static void 1674 adadone(struct cam_periph *periph, union ccb *done_ccb) 1675 { 1676 struct ada_softc *softc; 1677 struct ccb_ataio *ataio; 1678 struct ccb_getdev *cgd; 1679 struct cam_path *path; 1680 1681 softc = (struct ada_softc *)periph->softc; 1682 ataio = &done_ccb->ataio; 1683 path = done_ccb->ccb_h.path; 1684 1685 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n")); 1686 1687 switch (ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK) { 1688 case ADA_CCB_BUFFER_IO: 1689 case ADA_CCB_TRIM: 1690 { 1691 struct bio *bp; 1692 1693 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1694 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1695 int error; 1696 1697 error = adaerror(done_ccb, 0, 0); 1698 if (error == ERESTART) { 1699 /* A retry was scheduled, so just return. */ 1700 return; 1701 } 1702 if (error != 0) { 1703 bp->bio_error = error; 1704 bp->bio_resid = bp->bio_bcount; 1705 bp->bio_flags |= BIO_ERROR; 1706 } else { 1707 bp->bio_resid = ataio->resid; 1708 bp->bio_error = 0; 1709 if (bp->bio_resid != 0) 1710 bp->bio_flags |= BIO_ERROR; 1711 } 1712 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1713 cam_release_devq(path, 1714 /*relsim_flags*/0, 1715 /*reduction*/0, 1716 /*timeout*/0, 1717 /*getcount_only*/0); 1718 } else { 1719 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1720 panic("REQ_CMP with QFRZN"); 1721 bp->bio_resid = ataio->resid; 1722 if (ataio->resid > 0) 1723 bp->bio_flags |= BIO_ERROR; 1724 } 1725 softc->outstanding_cmds--; 1726 if (softc->outstanding_cmds == 0) 1727 softc->flags |= ADA_FLAG_WENT_IDLE; 1728 if ((ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK) == 1729 ADA_CCB_TRIM) { 1730 struct trim_request *req = 1731 (struct trim_request *)ataio->data_ptr; 1732 int i; 1733 1734 for (i = 1; i < TRIM_MAX_BIOS && req->bps[i]; i++) { 1735 struct bio *bp1 = req->bps[i]; 1736 1737 bp1->bio_resid = bp->bio_resid; 1738 bp1->bio_error = bp->bio_error; 1739 if (bp->bio_flags & BIO_ERROR) 1740 bp1->bio_flags |= BIO_ERROR; 1741 biodone(bp1); 1742 } 1743 softc->trim_running = 0; 1744 biodone(bp); 1745 adaschedule(periph); 1746 } else 1747 biodone(bp); 1748 break; 1749 } 1750 case ADA_CCB_RAHEAD: 1751 { 1752 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1753 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1754 out: 1755 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1756 cam_release_devq(path, 0, 0, 0, FALSE); 1757 return; 1758 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1759 cam_release_devq(path, 1760 /*relsim_flags*/0, 1761 /*reduction*/0, 1762 /*timeout*/0, 1763 /*getcount_only*/0); 1764 } 1765 } 1766 1767 /* 1768 * Since our peripheral may be invalidated by an error 1769 * above or an external event, we must release our CCB 1770 * before releasing the reference on the peripheral. 1771 * The peripheral will only go away once the last reference 1772 * is removed, and we need it around for the CCB release 1773 * operation. 1774 */ 1775 cgd = (struct ccb_getdev *)done_ccb; 1776 xpt_setup_ccb(&cgd->ccb_h, path, CAM_PRIORITY_NORMAL); 1777 cgd->ccb_h.func_code = XPT_GDEV_TYPE; 1778 xpt_action((union ccb *)cgd); 1779 if (ADA_WC >= 0 && 1780 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1781 softc->state = ADA_STATE_WCACHE; 1782 xpt_release_ccb(done_ccb); 1783 xpt_schedule(periph, CAM_PRIORITY_DEV); 1784 goto out; 1785 } 1786 softc->state = ADA_STATE_NORMAL; 1787 xpt_release_ccb(done_ccb); 1788 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1789 cam_release_devq(path, 0, 0, 0, FALSE); 1790 adaschedule(periph); 1791 cam_periph_release_locked(periph); 1792 return; 1793 } 1794 case ADA_CCB_WCACHE: 1795 { 1796 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1797 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1798 goto out; 1799 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1800 cam_release_devq(path, 1801 /*relsim_flags*/0, 1802 /*reduction*/0, 1803 /*timeout*/0, 1804 /*getcount_only*/0); 1805 } 1806 } 1807 1808 softc->state = ADA_STATE_NORMAL; 1809 /* 1810 * Since our peripheral may be invalidated by an error 1811 * above or an external event, we must release our CCB 1812 * before releasing the reference on the peripheral. 1813 * The peripheral will only go away once the last reference 1814 * is removed, and we need it around for the CCB release 1815 * operation. 1816 */ 1817 xpt_release_ccb(done_ccb); 1818 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1819 cam_release_devq(path, 0, 0, 0, FALSE); 1820 adaschedule(periph); 1821 cam_periph_release_locked(periph); 1822 return; 1823 } 1824 case ADA_CCB_WAITING: 1825 { 1826 /* Caller will release the CCB */ 1827 wakeup(&done_ccb->ccb_h.cbfcnp); 1828 return; 1829 } 1830 case ADA_CCB_DUMP: 1831 /* No-op. We're polling */ 1832 return; 1833 default: 1834 break; 1835 } 1836 xpt_release_ccb(done_ccb); 1837 } 1838 1839 static int 1840 adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1841 { 1842 1843 return(cam_periph_error(ccb, cam_flags, sense_flags, NULL)); 1844 } 1845 1846 static void 1847 adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd) 1848 { 1849 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1850 struct disk_params *dp = &softc->params; 1851 u_int64_t lbasize48; 1852 u_int32_t lbasize; 1853 1854 dp->secsize = ata_logical_sector_size(&cgd->ident_data); 1855 if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) && 1856 cgd->ident_data.current_heads && cgd->ident_data.current_sectors) { 1857 dp->heads = cgd->ident_data.current_heads; 1858 dp->secs_per_track = cgd->ident_data.current_sectors; 1859 dp->cylinders = cgd->ident_data.cylinders; 1860 dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 | 1861 ((u_int32_t)cgd->ident_data.current_size_2 << 16); 1862 } else { 1863 dp->heads = cgd->ident_data.heads; 1864 dp->secs_per_track = cgd->ident_data.sectors; 1865 dp->cylinders = cgd->ident_data.cylinders; 1866 dp->sectors = cgd->ident_data.cylinders * dp->heads * dp->secs_per_track; 1867 } 1868 lbasize = (u_int32_t)cgd->ident_data.lba_size_1 | 1869 ((u_int32_t)cgd->ident_data.lba_size_2 << 16); 1870 1871 /* use the 28bit LBA size if valid or bigger than the CHS mapping */ 1872 if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize) 1873 dp->sectors = lbasize; 1874 1875 /* use the 48bit LBA size if valid */ 1876 lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) | 1877 ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) | 1878 ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) | 1879 ((u_int64_t)cgd->ident_data.lba_size48_4 << 48); 1880 if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) && 1881 lbasize48 > ATA_MAX_28BIT_LBA) 1882 dp->sectors = lbasize48; 1883 } 1884 1885 static void 1886 adasendorderedtag(void *arg) 1887 { 1888 struct ada_softc *softc = arg; 1889 1890 if (ada_send_ordered) { 1891 if ((softc->ordered_tag_count == 0) 1892 && ((softc->flags & ADA_FLAG_WENT_IDLE) == 0)) { 1893 softc->flags |= ADA_FLAG_NEED_OTAG; 1894 } 1895 if (softc->outstanding_cmds > 0) 1896 softc->flags &= ~ADA_FLAG_WENT_IDLE; 1897 1898 softc->ordered_tag_count = 0; 1899 } 1900 /* Queue us up again */ 1901 callout_reset(&softc->sendordered_c, 1902 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1903 adasendorderedtag, softc); 1904 } 1905 1906 /* 1907 * Step through all ADA peripheral drivers, and if the device is still open, 1908 * sync the disk cache to physical media. 1909 */ 1910 static void 1911 adaflush(void) 1912 { 1913 struct cam_periph *periph; 1914 struct ada_softc *softc; 1915 union ccb *ccb; 1916 int error; 1917 1918 CAM_PERIPH_FOREACH(periph, &adadriver) { 1919 softc = (struct ada_softc *)periph->softc; 1920 if (SCHEDULER_STOPPED()) { 1921 /* If we paniced with the lock held, do not recurse. */ 1922 if (!cam_periph_owned(periph) && 1923 (softc->flags & ADA_FLAG_OPEN)) { 1924 adadump(softc->disk, NULL, 0, 0, 0); 1925 } 1926 continue; 1927 } 1928 cam_periph_lock(periph); 1929 /* 1930 * We only sync the cache if the drive is still open, and 1931 * if the drive is capable of it.. 1932 */ 1933 if (((softc->flags & ADA_FLAG_OPEN) == 0) || 1934 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) { 1935 cam_periph_unlock(periph); 1936 continue; 1937 } 1938 1939 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1940 cam_fill_ataio(&ccb->ataio, 1941 0, 1942 adadone, 1943 CAM_DIR_NONE, 1944 0, 1945 NULL, 1946 0, 1947 ada_default_timeout*1000); 1948 if (softc->flags & ADA_FLAG_CAN_48BIT) 1949 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1950 else 1951 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 1952 1953 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 1954 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 1955 softc->disk->d_devstat); 1956 if (error != 0) 1957 xpt_print(periph->path, "Synchronize cache failed\n"); 1958 xpt_release_ccb(ccb); 1959 cam_periph_unlock(periph); 1960 } 1961 } 1962 1963 static void 1964 adaspindown(uint8_t cmd, int flags) 1965 { 1966 struct cam_periph *periph; 1967 struct ada_softc *softc; 1968 union ccb *ccb; 1969 int error; 1970 1971 CAM_PERIPH_FOREACH(periph, &adadriver) { 1972 /* If we paniced with lock held - not recurse here. */ 1973 if (cam_periph_owned(periph)) 1974 continue; 1975 cam_periph_lock(periph); 1976 softc = (struct ada_softc *)periph->softc; 1977 /* 1978 * We only spin-down the drive if it is capable of it.. 1979 */ 1980 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 1981 cam_periph_unlock(periph); 1982 continue; 1983 } 1984 1985 if (bootverbose) 1986 xpt_print(periph->path, "spin-down\n"); 1987 1988 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1989 cam_fill_ataio(&ccb->ataio, 1990 0, 1991 adadone, 1992 CAM_DIR_NONE | flags, 1993 0, 1994 NULL, 1995 0, 1996 ada_default_timeout*1000); 1997 ata_28bit_cmd(&ccb->ataio, cmd, 0, 0, 0); 1998 1999 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 2000 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 2001 softc->disk->d_devstat); 2002 if (error != 0) 2003 xpt_print(periph->path, "Spin-down disk failed\n"); 2004 xpt_release_ccb(ccb); 2005 cam_periph_unlock(periph); 2006 } 2007 } 2008 2009 static void 2010 adashutdown(void *arg, int howto) 2011 { 2012 2013 adaflush(); 2014 if (ada_spindown_shutdown != 0 && 2015 (howto & (RB_HALT | RB_POWEROFF)) != 0) 2016 adaspindown(ATA_STANDBY_IMMEDIATE, 0); 2017 } 2018 2019 static void 2020 adasuspend(void *arg) 2021 { 2022 2023 adaflush(); 2024 if (ada_spindown_suspend != 0) 2025 adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE); 2026 } 2027 2028 static void 2029 adaresume(void *arg) 2030 { 2031 struct cam_periph *periph; 2032 struct ada_softc *softc; 2033 2034 if (ada_spindown_suspend == 0) 2035 return; 2036 2037 CAM_PERIPH_FOREACH(periph, &adadriver) { 2038 cam_periph_lock(periph); 2039 softc = (struct ada_softc *)periph->softc; 2040 /* 2041 * We only spin-down the drive if it is capable of it.. 2042 */ 2043 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2044 cam_periph_unlock(periph); 2045 continue; 2046 } 2047 2048 if (bootverbose) 2049 xpt_print(periph->path, "resume\n"); 2050 2051 /* 2052 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on 2053 * sleep request. 2054 */ 2055 cam_release_devq(periph->path, 2056 /*relsim_flags*/0, 2057 /*openings*/0, 2058 /*timeout*/0, 2059 /*getcount_only*/0); 2060 2061 cam_periph_unlock(periph); 2062 } 2063 } 2064 2065 #endif /* _KERNEL */ 2066