ata_da.c revision 298035
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: head/sys/cam/ata/ata_da.c 298035 2016-04-15 05:10:31Z imp $"); 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#include <cam/cam_iosched.h> 63 64#include <cam/ata/ata_all.h> 65 66#include <machine/md_var.h> /* geometry translation */ 67 68#ifdef _KERNEL 69 70#define ATA_MAX_28BIT_LBA 268435455UL 71 72extern int iosched_debug; 73 74typedef enum { 75 ADA_STATE_RAHEAD, 76 ADA_STATE_WCACHE, 77 ADA_STATE_NORMAL 78} ada_state; 79 80typedef enum { 81 ADA_FLAG_CAN_48BIT = 0x0002, 82 ADA_FLAG_CAN_FLUSHCACHE = 0x0004, 83 ADA_FLAG_CAN_NCQ = 0x0008, 84 ADA_FLAG_CAN_DMA = 0x0010, 85 ADA_FLAG_NEED_OTAG = 0x0020, 86 ADA_FLAG_WAS_OTAG = 0x0040, 87 ADA_FLAG_CAN_TRIM = 0x0080, 88 ADA_FLAG_OPEN = 0x0100, 89 ADA_FLAG_SCTX_INIT = 0x0200, 90 ADA_FLAG_CAN_CFA = 0x0400, 91 ADA_FLAG_CAN_POWERMGT = 0x0800, 92 ADA_FLAG_CAN_DMA48 = 0x1000, 93 ADA_FLAG_DIRTY = 0x2000, 94 ADA_FLAG_CAN_NCQ_TRIM = 0x4000, /* CAN_TRIM also set */ 95 ADA_FLAG_PIM_CAN_NCQ_TRIM = 0x8000 96} ada_flags; 97 98typedef enum { 99 ADA_Q_NONE = 0x00, 100 ADA_Q_4K = 0x01, 101 ADA_Q_NCQ_TRIM_BROKEN = 0x02, 102} ada_quirks; 103 104#define ADA_Q_BIT_STRING \ 105 "\020" \ 106 "\0014K" \ 107 "\002NCQ_TRIM_BROKEN" 108 109typedef enum { 110 ADA_CCB_RAHEAD = 0x01, 111 ADA_CCB_WCACHE = 0x02, 112 ADA_CCB_BUFFER_IO = 0x03, 113 ADA_CCB_DUMP = 0x05, 114 ADA_CCB_TRIM = 0x06, 115 ADA_CCB_TYPE_MASK = 0x0F, 116} ada_ccb_state; 117 118/* Offsets into our private area for storing information */ 119#define ccb_state ppriv_field0 120#define ccb_bp ppriv_ptr1 121 122typedef enum { 123 ADA_DELETE_NONE, 124 ADA_DELETE_DISABLE, 125 ADA_DELETE_CFA_ERASE, 126 ADA_DELETE_DSM_TRIM, 127 ADA_DELETE_NCQ_DSM_TRIM, 128 ADA_DELETE_MIN = ADA_DELETE_CFA_ERASE, 129 ADA_DELETE_MAX = ADA_DELETE_NCQ_DSM_TRIM, 130} ada_delete_methods; 131 132static const char *ada_delete_method_names[] = 133 { "NONE", "DISABLE", "CFA_ERASE", "DSM_TRIM", "NCQ_DSM_TRIM" }; 134#if 0 135static const char *ada_delete_method_desc[] = 136 { "NONE", "DISABLED", "CFA Erase", "DSM Trim", "DSM Trim via NCQ" }; 137#endif 138 139struct disk_params { 140 u_int8_t heads; 141 u_int8_t secs_per_track; 142 u_int32_t cylinders; 143 u_int32_t secsize; /* Number of bytes/logical sector */ 144 u_int64_t sectors; /* Total number sectors */ 145}; 146 147#define TRIM_MAX_BLOCKS 8 148#define TRIM_MAX_RANGES (TRIM_MAX_BLOCKS * ATA_DSM_BLK_RANGES) 149struct trim_request { 150 uint8_t data[TRIM_MAX_RANGES * ATA_DSM_RANGE_SIZE]; 151 TAILQ_HEAD(, bio) bps; 152}; 153 154struct ada_softc { 155 struct cam_iosched_softc *cam_iosched; 156 int outstanding_cmds; /* Number of active commands */ 157 int refcount; /* Active xpt_action() calls */ 158 ada_state state; 159 ada_flags flags; 160 ada_quirks quirks; 161 ada_delete_methods delete_method; 162 int trim_max_ranges; 163 int read_ahead; 164 int write_cache; 165 int unmappedio; 166 int rotating; 167#ifdef ADA_TEST_FAILURE 168 int force_read_error; 169 int force_write_error; 170 int periodic_read_error; 171 int periodic_read_count; 172#endif 173 struct disk_params params; 174 struct disk *disk; 175 struct task sysctl_task; 176 struct sysctl_ctx_list sysctl_ctx; 177 struct sysctl_oid *sysctl_tree; 178 struct callout sendordered_c; 179 struct trim_request trim_req; 180#ifdef CAM_IO_STATS 181 struct sysctl_ctx_list sysctl_stats_ctx; 182 struct sysctl_oid *sysctl_stats_tree; 183 u_int timeouts; 184 u_int errors; 185 u_int invalidations; 186#endif 187}; 188 189struct ada_quirk_entry { 190 struct scsi_inquiry_pattern inq_pat; 191 ada_quirks quirks; 192}; 193 194static struct ada_quirk_entry ada_quirk_table[] = 195{ 196 { 197 /* Hitachi Advanced Format (4k) drives */ 198 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Hitachi H??????????E3*", "*" }, 199 /*quirks*/ADA_Q_4K 200 }, 201 { 202 /* Samsung Advanced Format (4k) drives */ 203 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD155UI*", "*" }, 204 /*quirks*/ADA_Q_4K 205 }, 206 { 207 /* Samsung Advanced Format (4k) drives */ 208 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD204UI*", "*" }, 209 /*quirks*/ADA_Q_4K 210 }, 211 { 212 /* Seagate Barracuda Green Advanced Format (4k) drives */ 213 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DL*", "*" }, 214 /*quirks*/ADA_Q_4K 215 }, 216 { 217 /* Seagate Barracuda Advanced Format (4k) drives */ 218 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???DM*", "*" }, 219 /*quirks*/ADA_Q_4K 220 }, 221 { 222 /* Seagate Barracuda Advanced Format (4k) drives */ 223 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DM*", "*" }, 224 /*quirks*/ADA_Q_4K 225 }, 226 { 227 /* Seagate Momentus Advanced Format (4k) drives */ 228 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500423AS*", "*" }, 229 /*quirks*/ADA_Q_4K 230 }, 231 { 232 /* Seagate Momentus Advanced Format (4k) drives */ 233 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500424AS*", "*" }, 234 /*quirks*/ADA_Q_4K 235 }, 236 { 237 /* Seagate Momentus Advanced Format (4k) drives */ 238 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640423AS*", "*" }, 239 /*quirks*/ADA_Q_4K 240 }, 241 { 242 /* Seagate Momentus Advanced Format (4k) drives */ 243 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640424AS*", "*" }, 244 /*quirks*/ADA_Q_4K 245 }, 246 { 247 /* Seagate Momentus Advanced Format (4k) drives */ 248 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750420AS*", "*" }, 249 /*quirks*/ADA_Q_4K 250 }, 251 { 252 /* Seagate Momentus Advanced Format (4k) drives */ 253 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750422AS*", "*" }, 254 /*quirks*/ADA_Q_4K 255 }, 256 { 257 /* Seagate Momentus Advanced Format (4k) drives */ 258 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750423AS*", "*" }, 259 /*quirks*/ADA_Q_4K 260 }, 261 { 262 /* Seagate Momentus Thin Advanced Format (4k) drives */ 263 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???LT*", "*" }, 264 /*quirks*/ADA_Q_4K 265 }, 266 { 267 /* WDC Caviar Red Advanced Format (4k) drives */ 268 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????CX*", "*" }, 269 /*quirks*/ADA_Q_4K 270 }, 271 { 272 /* WDC Caviar Green Advanced Format (4k) drives */ 273 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RS*", "*" }, 274 /*quirks*/ADA_Q_4K 275 }, 276 { 277 /* WDC Caviar Green/Red Advanced Format (4k) drives */ 278 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RX*", "*" }, 279 /*quirks*/ADA_Q_4K 280 }, 281 { 282 /* WDC Caviar Red Advanced Format (4k) drives */ 283 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????CX*", "*" }, 284 /*quirks*/ADA_Q_4K 285 }, 286 { 287 /* WDC Caviar Black Advanced Format (4k) drives */ 288 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????EX*", "*" }, 289 /*quirks*/ADA_Q_4K 290 }, 291 { 292 /* WDC Caviar Green Advanced Format (4k) drives */ 293 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RS*", "*" }, 294 /*quirks*/ADA_Q_4K 295 }, 296 { 297 /* WDC Caviar Green Advanced Format (4k) drives */ 298 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RX*", "*" }, 299 /*quirks*/ADA_Q_4K 300 }, 301 { 302 /* WDC Scorpio Black Advanced Format (4k) drives */ 303 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PKT*", "*" }, 304 /*quirks*/ADA_Q_4K 305 }, 306 { 307 /* WDC Scorpio Black Advanced Format (4k) drives */ 308 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PKT*", "*" }, 309 /*quirks*/ADA_Q_4K 310 }, 311 { 312 /* WDC Scorpio Blue Advanced Format (4k) drives */ 313 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PVT*", "*" }, 314 /*quirks*/ADA_Q_4K 315 }, 316 { 317 /* WDC Scorpio Blue Advanced Format (4k) drives */ 318 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PVT*", "*" }, 319 /*quirks*/ADA_Q_4K 320 }, 321 /* SSDs */ 322 { 323 /* 324 * Corsair Force 2 SSDs 325 * 4k optimised & trim only works in 4k requests + 4k aligned 326 */ 327 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair CSSD-F*", "*" }, 328 /*quirks*/ADA_Q_4K 329 }, 330 { 331 /* 332 * Corsair Force 3 SSDs 333 * 4k optimised & trim only works in 4k requests + 4k aligned 334 */ 335 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force 3*", "*" }, 336 /*quirks*/ADA_Q_4K 337 }, 338 { 339 /* 340 * Corsair Neutron GTX SSDs 341 * 4k optimised & trim only works in 4k requests + 4k aligned 342 */ 343 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" }, 344 /*quirks*/ADA_Q_4K 345 }, 346 { 347 /* 348 * Corsair Force GT & GS SSDs 349 * 4k optimised & trim only works in 4k requests + 4k aligned 350 */ 351 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force G*", "*" }, 352 /*quirks*/ADA_Q_4K 353 }, 354 { 355 /* 356 * Crucial M4 SSDs 357 * 4k optimised & trim only works in 4k requests + 4k aligned 358 */ 359 { T_DIRECT, SIP_MEDIA_FIXED, "*", "M4-CT???M4SSD2*", "*" }, 360 /*quirks*/ADA_Q_4K 361 }, 362 { 363 /* 364 * Crucial M500 SSDs MU07 firmware 365 * NCQ Trim works 366 */ 367 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Crucial CT*M500*", "MU07" }, 368 /*quirks*/0 369 }, 370 { 371 /* 372 * Crucial M500 SSDs all other firmware 373 * NCQ Trim doesn't work 374 */ 375 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Crucial CT*M500*", "*" }, 376 /*quirks*/ADA_Q_NCQ_TRIM_BROKEN 377 }, 378 { 379 /* 380 * Crucial M550 SSDs 381 * NCQ Trim doesn't work, but only on MU01 firmware 382 */ 383 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Crucial CT*M550*", "MU01" }, 384 /*quirks*/ADA_Q_NCQ_TRIM_BROKEN 385 }, 386 { 387 /* 388 * Crucial MX100 SSDs 389 * NCQ Trim doesn't work, but only on MU01 firmware 390 */ 391 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Crucial CT*MX100*", "MU01" }, 392 /*quirks*/ADA_Q_NCQ_TRIM_BROKEN 393 }, 394 { 395 /* 396 * Crucial RealSSD C300 SSDs 397 * 4k optimised 398 */ 399 { T_DIRECT, SIP_MEDIA_FIXED, "*", "C300-CTFDDAC???MAG*", 400 "*" }, /*quirks*/ADA_Q_4K 401 }, 402 { 403 /* 404 * FCCT M500 SSDs 405 * NCQ Trim doesn't work 406 */ 407 { T_DIRECT, SIP_MEDIA_FIXED, "*", "FCCT*M500*", "*" }, 408 /*quirks*/ADA_Q_NCQ_TRIM_BROKEN 409 }, 410 { 411 /* 412 * Intel 320 Series SSDs 413 * 4k optimised & trim only works in 4k requests + 4k aligned 414 */ 415 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2CW*", "*" }, 416 /*quirks*/ADA_Q_4K 417 }, 418 { 419 /* 420 * Intel 330 Series SSDs 421 * 4k optimised & trim only works in 4k requests + 4k aligned 422 */ 423 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2CT*", "*" }, 424 /*quirks*/ADA_Q_4K 425 }, 426 { 427 /* 428 * Intel 510 Series SSDs 429 * 4k optimised & trim only works in 4k requests + 4k aligned 430 */ 431 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2MH*", "*" }, 432 /*quirks*/ADA_Q_4K 433 }, 434 { 435 /* 436 * Intel 520 Series SSDs 437 * 4k optimised & trim only works in 4k requests + 4k aligned 438 */ 439 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2BW*", "*" }, 440 /*quirks*/ADA_Q_4K 441 }, 442 { 443 /* 444 * Intel X25-M Series SSDs 445 * 4k optimised & trim only works in 4k requests + 4k aligned 446 */ 447 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2M*", "*" }, 448 /*quirks*/ADA_Q_4K 449 }, 450 { 451 /* 452 * Kingston E100 Series SSDs 453 * 4k optimised & trim only works in 4k requests + 4k aligned 454 */ 455 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SE100S3*", "*" }, 456 /*quirks*/ADA_Q_4K 457 }, 458 { 459 /* 460 * Kingston HyperX 3k SSDs 461 * 4k optimised & trim only works in 4k requests + 4k aligned 462 */ 463 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SH103S3*", "*" }, 464 /*quirks*/ADA_Q_4K 465 }, 466 { 467 /* 468 * Marvell SSDs (entry taken from OpenSolaris) 469 * 4k optimised & trim only works in 4k requests + 4k aligned 470 */ 471 { T_DIRECT, SIP_MEDIA_FIXED, "*", "MARVELL SD88SA02*", "*" }, 472 /*quirks*/ADA_Q_4K 473 }, 474 { 475 /* 476 * Micron M500 SSDs firmware MU07 477 * NCQ Trim works? 478 */ 479 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Micron M500*", "MU07" }, 480 /*quirks*/0 481 }, 482 { 483 /* 484 * Micron M500 SSDs all other firmware 485 * NCQ Trim doesn't work 486 */ 487 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Micron M500*", "*" }, 488 /*quirks*/ADA_Q_NCQ_TRIM_BROKEN 489 }, 490 { 491 /* 492 * Micron M5[15]0 SSDs 493 * NCQ Trim doesn't work, but only MU01 firmware 494 */ 495 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Micron M5[15]0*", "MU01" }, 496 /*quirks*/ADA_Q_NCQ_TRIM_BROKEN 497 }, 498 { 499 /* 500 * OCZ Agility 2 SSDs 501 * 4k optimised & trim only works in 4k requests + 4k aligned 502 */ 503 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" }, 504 /*quirks*/ADA_Q_4K 505 }, 506 { 507 /* 508 * OCZ Agility 3 SSDs 509 * 4k optimised & trim only works in 4k requests + 4k aligned 510 */ 511 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY3*", "*" }, 512 /*quirks*/ADA_Q_4K 513 }, 514 { 515 /* 516 * OCZ Deneva R Series SSDs 517 * 4k optimised & trim only works in 4k requests + 4k aligned 518 */ 519 { T_DIRECT, SIP_MEDIA_FIXED, "*", "DENRSTE251M45*", "*" }, 520 /*quirks*/ADA_Q_4K 521 }, 522 { 523 /* 524 * OCZ Vertex 2 SSDs (inc pro series) 525 * 4k optimised & trim only works in 4k requests + 4k aligned 526 */ 527 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ?VERTEX2*", "*" }, 528 /*quirks*/ADA_Q_4K 529 }, 530 { 531 /* 532 * OCZ Vertex 3 SSDs 533 * 4k optimised & trim only works in 4k requests + 4k aligned 534 */ 535 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX3*", "*" }, 536 /*quirks*/ADA_Q_4K 537 }, 538 { 539 /* 540 * OCZ Vertex 4 SSDs 541 * 4k optimised & trim only works in 4k requests + 4k aligned 542 */ 543 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX4*", "*" }, 544 /*quirks*/ADA_Q_4K 545 }, 546 { 547 /* 548 * Samsung 830 Series SSDs 549 * 4k optimised, NCQ TRIM Broken (normal TRIM is fine) 550 */ 551 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG SSD 830 Series*", "*" }, 552 /*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN 553 }, 554 { 555 /* 556 * Samsung 840 SSDs 557 * 4k optimised, NCQ TRIM Broken (normal TRIM is fine) 558 */ 559 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 840*", "*" }, 560 /*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN 561 }, 562 { 563 /* 564 * Samsung 850 SSDs 565 * 4k optimised, NCQ TRIM broken (normal TRIM fine) 566 */ 567 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 850*", "*" }, 568 /*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN 569 }, 570 { 571 /* 572 * Samsung SM863 Series SSDs (MZ7KM*) 573 * 4k optimised, NCQ believed to be working 574 */ 575 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG MZ7KM*", "*" }, 576 /*quirks*/ADA_Q_4K 577 }, 578 { 579 /* 580 * Samsung 843T Series SSDs (MZ7WD*) 581 * Samsung PM851 Series SSDs (MZ7TE*) 582 * Samsung PM853T Series SSDs (MZ7GE*) 583 * 4k optimised, NCQ believed to be broken since these are 584 * appear to be built with the same controllers as the 840/850. 585 */ 586 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG MZ7*", "*" }, 587 /*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN 588 }, 589 { 590 /* 591 * SuperTalent TeraDrive CT SSDs 592 * 4k optimised & trim only works in 4k requests + 4k aligned 593 */ 594 { T_DIRECT, SIP_MEDIA_FIXED, "*", "FTM??CT25H*", "*" }, 595 /*quirks*/ADA_Q_4K 596 }, 597 { 598 /* 599 * XceedIOPS SATA SSDs 600 * 4k optimised 601 */ 602 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SG9XCS2D*", "*" }, 603 /*quirks*/ADA_Q_4K 604 }, 605 { 606 /* Default */ 607 { 608 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 609 /*vendor*/"*", /*product*/"*", /*revision*/"*" 610 }, 611 /*quirks*/0 612 }, 613}; 614 615static disk_strategy_t adastrategy; 616static dumper_t adadump; 617static periph_init_t adainit; 618static void adaasync(void *callback_arg, u_int32_t code, 619 struct cam_path *path, void *arg); 620static void adasysctlinit(void *context, int pending); 621static periph_ctor_t adaregister; 622static periph_dtor_t adacleanup; 623static periph_start_t adastart; 624static periph_oninv_t adaoninvalidate; 625static void adadone(struct cam_periph *periph, 626 union ccb *done_ccb); 627static int adaerror(union ccb *ccb, u_int32_t cam_flags, 628 u_int32_t sense_flags); 629static void adagetparams(struct cam_periph *periph, 630 struct ccb_getdev *cgd); 631static timeout_t adasendorderedtag; 632static void adashutdown(void *arg, int howto); 633static void adasuspend(void *arg); 634static void adaresume(void *arg); 635 636#ifndef ADA_DEFAULT_LEGACY_ALIASES 637#define ADA_DEFAULT_LEGACY_ALIASES 1 638#endif 639 640#ifndef ADA_DEFAULT_TIMEOUT 641#define ADA_DEFAULT_TIMEOUT 30 /* Timeout in seconds */ 642#endif 643 644#ifndef ADA_DEFAULT_RETRY 645#define ADA_DEFAULT_RETRY 4 646#endif 647 648#ifndef ADA_DEFAULT_SEND_ORDERED 649#define ADA_DEFAULT_SEND_ORDERED 1 650#endif 651 652#ifndef ADA_DEFAULT_SPINDOWN_SHUTDOWN 653#define ADA_DEFAULT_SPINDOWN_SHUTDOWN 1 654#endif 655 656#ifndef ADA_DEFAULT_SPINDOWN_SUSPEND 657#define ADA_DEFAULT_SPINDOWN_SUSPEND 1 658#endif 659 660#ifndef ADA_DEFAULT_READ_AHEAD 661#define ADA_DEFAULT_READ_AHEAD 1 662#endif 663 664#ifndef ADA_DEFAULT_WRITE_CACHE 665#define ADA_DEFAULT_WRITE_CACHE 1 666#endif 667 668#define ADA_RA (softc->read_ahead >= 0 ? \ 669 softc->read_ahead : ada_read_ahead) 670#define ADA_WC (softc->write_cache >= 0 ? \ 671 softc->write_cache : ada_write_cache) 672 673/* 674 * Most platforms map firmware geometry to actual, but some don't. If 675 * not overridden, default to nothing. 676 */ 677#ifndef ata_disk_firmware_geom_adjust 678#define ata_disk_firmware_geom_adjust(disk) 679#endif 680 681static int ada_retry_count = ADA_DEFAULT_RETRY; 682static int ada_default_timeout = ADA_DEFAULT_TIMEOUT; 683static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED; 684static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN; 685static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND; 686static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD; 687static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE; 688 689static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD, 0, 690 "CAM Direct Access Disk driver"); 691SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RWTUN, 692 &ada_retry_count, 0, "Normal I/O retry count"); 693SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RWTUN, 694 &ada_default_timeout, 0, "Normal I/O timeout (in seconds)"); 695SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RWTUN, 696 &ada_send_ordered, 0, "Send Ordered Tags"); 697SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RWTUN, 698 &ada_spindown_shutdown, 0, "Spin down upon shutdown"); 699SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RWTUN, 700 &ada_spindown_suspend, 0, "Spin down upon suspend"); 701SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RWTUN, 702 &ada_read_ahead, 0, "Enable disk read-ahead"); 703SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RWTUN, 704 &ada_write_cache, 0, "Enable disk write cache"); 705 706/* 707 * ADA_ORDEREDTAG_INTERVAL determines how often, relative 708 * to the default timeout, we check to see whether an ordered 709 * tagged transaction is appropriate to prevent simple tag 710 * starvation. Since we'd like to ensure that there is at least 711 * 1/2 of the timeout length left for a starved transaction to 712 * complete after we've sent an ordered tag, we must poll at least 713 * four times in every timeout period. This takes care of the worst 714 * case where a starved transaction starts during an interval that 715 * meets the requirement "don't send an ordered tag" test so it takes 716 * us two intervals to determine that a tag must be sent. 717 */ 718#ifndef ADA_ORDEREDTAG_INTERVAL 719#define ADA_ORDEREDTAG_INTERVAL 4 720#endif 721 722static struct periph_driver adadriver = 723{ 724 adainit, "ada", 725 TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0 726}; 727 728static int adadeletemethodsysctl(SYSCTL_HANDLER_ARGS); 729 730PERIPHDRIVER_DECLARE(ada, adadriver); 731 732static int 733adaopen(struct disk *dp) 734{ 735 struct cam_periph *periph; 736 struct ada_softc *softc; 737 int error; 738 739 periph = (struct cam_periph *)dp->d_drv1; 740 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 741 return(ENXIO); 742 } 743 744 cam_periph_lock(periph); 745 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 746 cam_periph_unlock(periph); 747 cam_periph_release(periph); 748 return (error); 749 } 750 751 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 752 ("adaopen\n")); 753 754 softc = (struct ada_softc *)periph->softc; 755 softc->flags |= ADA_FLAG_OPEN; 756 757 cam_periph_unhold(periph); 758 cam_periph_unlock(periph); 759 return (0); 760} 761 762static int 763adaclose(struct disk *dp) 764{ 765 struct cam_periph *periph; 766 struct ada_softc *softc; 767 union ccb *ccb; 768 int error; 769 770 periph = (struct cam_periph *)dp->d_drv1; 771 softc = (struct ada_softc *)periph->softc; 772 cam_periph_lock(periph); 773 774 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 775 ("adaclose\n")); 776 777 /* We only sync the cache if the drive is capable of it. */ 778 if ((softc->flags & ADA_FLAG_DIRTY) != 0 && 779 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 && 780 (periph->flags & CAM_PERIPH_INVALID) == 0 && 781 cam_periph_hold(periph, PRIBIO) == 0) { 782 783 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 784 cam_fill_ataio(&ccb->ataio, 785 1, 786 adadone, 787 CAM_DIR_NONE, 788 0, 789 NULL, 790 0, 791 ada_default_timeout*1000); 792 793 if (softc->flags & ADA_FLAG_CAN_48BIT) 794 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 795 else 796 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 797 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 798 /*sense_flags*/0, softc->disk->d_devstat); 799 800 if (error != 0) 801 xpt_print(periph->path, "Synchronize cache failed\n"); 802 else 803 softc->flags &= ~ADA_FLAG_DIRTY; 804 xpt_release_ccb(ccb); 805 cam_periph_unhold(periph); 806 } 807 808 softc->flags &= ~ADA_FLAG_OPEN; 809 810 while (softc->refcount != 0) 811 cam_periph_sleep(periph, &softc->refcount, PRIBIO, "adaclose", 1); 812 cam_periph_unlock(periph); 813 cam_periph_release(periph); 814 return (0); 815} 816 817static void 818adaschedule(struct cam_periph *periph) 819{ 820 struct ada_softc *softc = (struct ada_softc *)periph->softc; 821 822 if (softc->state != ADA_STATE_NORMAL) 823 return; 824 825 cam_iosched_schedule(softc->cam_iosched, periph); 826} 827 828/* 829 * Actually translate the requested transfer into one the physical driver 830 * can understand. The transfer is described by a buf and will include 831 * only one physical transfer. 832 */ 833static void 834adastrategy(struct bio *bp) 835{ 836 struct cam_periph *periph; 837 struct ada_softc *softc; 838 839 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 840 softc = (struct ada_softc *)periph->softc; 841 842 cam_periph_lock(periph); 843 844 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp)); 845 846 /* 847 * If the device has been made invalid, error out 848 */ 849 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 850 cam_periph_unlock(periph); 851 biofinish(bp, NULL, ENXIO); 852 return; 853 } 854 855 /* 856 * Place it in the queue of disk activities for this disk 857 */ 858 cam_iosched_queue_work(softc->cam_iosched, bp); 859 860 /* 861 * Schedule ourselves for performing the work. 862 */ 863 adaschedule(periph); 864 cam_periph_unlock(periph); 865 866 return; 867} 868 869static int 870adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 871{ 872 struct cam_periph *periph; 873 struct ada_softc *softc; 874 u_int secsize; 875 union ccb ccb; 876 struct disk *dp; 877 uint64_t lba; 878 uint16_t count; 879 int error = 0; 880 881 dp = arg; 882 periph = dp->d_drv1; 883 softc = (struct ada_softc *)periph->softc; 884 cam_periph_lock(periph); 885 secsize = softc->params.secsize; 886 lba = offset / secsize; 887 count = length / secsize; 888 889 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 890 cam_periph_unlock(periph); 891 return (ENXIO); 892 } 893 894 if (length > 0) { 895 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 896 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 897 cam_fill_ataio(&ccb.ataio, 898 0, 899 adadone, 900 CAM_DIR_OUT, 901 0, 902 (u_int8_t *) virtual, 903 length, 904 ada_default_timeout*1000); 905 if ((softc->flags & ADA_FLAG_CAN_48BIT) && 906 (lba + count >= ATA_MAX_28BIT_LBA || 907 count >= 256)) { 908 ata_48bit_cmd(&ccb.ataio, ATA_WRITE_DMA48, 909 0, lba, count); 910 } else { 911 ata_28bit_cmd(&ccb.ataio, ATA_WRITE_DMA, 912 0, lba, count); 913 } 914 xpt_polled_action(&ccb); 915 916 error = cam_periph_error(&ccb, 917 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 918 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 919 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 920 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 921 if (error != 0) 922 printf("Aborting dump due to I/O error.\n"); 923 924 cam_periph_unlock(periph); 925 return (error); 926 } 927 928 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { 929 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 930 931 /* 932 * Tell the drive to flush its internal cache. if we 933 * can't flush in 5s we have big problems. No need to 934 * wait the default 60s to detect problems. 935 */ 936 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 937 cam_fill_ataio(&ccb.ataio, 938 0, 939 adadone, 940 CAM_DIR_NONE, 941 0, 942 NULL, 943 0, 944 5*1000); 945 946 if (softc->flags & ADA_FLAG_CAN_48BIT) 947 ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); 948 else 949 ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); 950 xpt_polled_action(&ccb); 951 952 error = cam_periph_error(&ccb, 953 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 954 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 955 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 956 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 957 if (error != 0) 958 xpt_print(periph->path, "Synchronize cache failed\n"); 959 } 960 cam_periph_unlock(periph); 961 return (error); 962} 963 964static void 965adainit(void) 966{ 967 cam_status status; 968 969 /* 970 * Install a global async callback. This callback will 971 * receive async callbacks like "new device found". 972 */ 973 status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL); 974 975 if (status != CAM_REQ_CMP) { 976 printf("ada: Failed to attach master async callback " 977 "due to status 0x%x!\n", status); 978 } else if (ada_send_ordered) { 979 980 /* Register our event handlers */ 981 if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend, 982 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 983 printf("adainit: power event registration failed!\n"); 984 if ((EVENTHANDLER_REGISTER(power_resume, adaresume, 985 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 986 printf("adainit: power event registration failed!\n"); 987 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown, 988 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 989 printf("adainit: shutdown event registration failed!\n"); 990 } 991} 992 993/* 994 * Callback from GEOM, called when it has finished cleaning up its 995 * resources. 996 */ 997static void 998adadiskgonecb(struct disk *dp) 999{ 1000 struct cam_periph *periph; 1001 1002 periph = (struct cam_periph *)dp->d_drv1; 1003 1004 cam_periph_release(periph); 1005} 1006 1007static void 1008adaoninvalidate(struct cam_periph *periph) 1009{ 1010 struct ada_softc *softc; 1011 1012 softc = (struct ada_softc *)periph->softc; 1013 1014 /* 1015 * De-register any async callbacks. 1016 */ 1017 xpt_register_async(0, adaasync, periph, periph->path); 1018#ifdef CAM_IO_STATS 1019 softc->invalidations++; 1020#endif 1021 1022 /* 1023 * Return all queued I/O with ENXIO. 1024 * XXX Handle any transactions queued to the card 1025 * with XPT_ABORT_CCB. 1026 */ 1027 cam_iosched_flush(softc->cam_iosched, NULL, ENXIO); 1028 1029 disk_gone(softc->disk); 1030} 1031 1032static void 1033adacleanup(struct cam_periph *periph) 1034{ 1035 struct ada_softc *softc; 1036 1037 softc = (struct ada_softc *)periph->softc; 1038 1039 cam_periph_unlock(periph); 1040 1041 cam_iosched_fini(softc->cam_iosched); 1042 1043 /* 1044 * If we can't free the sysctl tree, oh well... 1045 */ 1046 if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0) { 1047#ifdef CAM_IO_STATS 1048 if (sysctl_ctx_free(&softc->sysctl_stats_ctx) != 0) 1049 xpt_print(periph->path, 1050 "can't remove sysctl stats context\n"); 1051#endif 1052 if (sysctl_ctx_free(&softc->sysctl_ctx) != 0) 1053 xpt_print(periph->path, 1054 "can't remove sysctl context\n"); 1055 } 1056 1057 disk_destroy(softc->disk); 1058 callout_drain(&softc->sendordered_c); 1059 free(softc, M_DEVBUF); 1060 cam_periph_lock(periph); 1061} 1062 1063static void 1064adasetdeletemethod(struct ada_softc *softc) 1065{ 1066 1067 if (softc->flags & ADA_FLAG_CAN_NCQ_TRIM) 1068 softc->delete_method = ADA_DELETE_NCQ_DSM_TRIM; 1069 else if (softc->flags & ADA_FLAG_CAN_TRIM) 1070 softc->delete_method = ADA_DELETE_DSM_TRIM; 1071 else if ((softc->flags & ADA_FLAG_CAN_CFA) && !(softc->flags & ADA_FLAG_CAN_48BIT)) 1072 softc->delete_method = ADA_DELETE_CFA_ERASE; 1073 else 1074 softc->delete_method = ADA_DELETE_NONE; 1075} 1076 1077static void 1078adaasync(void *callback_arg, u_int32_t code, 1079 struct cam_path *path, void *arg) 1080{ 1081 struct ccb_getdev cgd; 1082 struct cam_periph *periph; 1083 struct ada_softc *softc; 1084 1085 periph = (struct cam_periph *)callback_arg; 1086 switch (code) { 1087 case AC_FOUND_DEVICE: 1088 { 1089 struct ccb_getdev *cgd; 1090 cam_status status; 1091 1092 cgd = (struct ccb_getdev *)arg; 1093 if (cgd == NULL) 1094 break; 1095 1096 if (cgd->protocol != PROTO_ATA) 1097 break; 1098 1099 /* 1100 * Allocate a peripheral instance for 1101 * this device and start the probe 1102 * process. 1103 */ 1104 status = cam_periph_alloc(adaregister, adaoninvalidate, 1105 adacleanup, adastart, 1106 "ada", CAM_PERIPH_BIO, 1107 path, adaasync, 1108 AC_FOUND_DEVICE, cgd); 1109 1110 if (status != CAM_REQ_CMP 1111 && status != CAM_REQ_INPROG) 1112 printf("adaasync: Unable to attach to new device " 1113 "due to status 0x%x\n", status); 1114 break; 1115 } 1116 case AC_GETDEV_CHANGED: 1117 { 1118 softc = (struct ada_softc *)periph->softc; 1119 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1120 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1121 xpt_action((union ccb *)&cgd); 1122 1123 if ((cgd.ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1124 (cgd.inq_flags & SID_DMA)) 1125 softc->flags |= ADA_FLAG_CAN_DMA; 1126 else 1127 softc->flags &= ~ADA_FLAG_CAN_DMA; 1128 if (cgd.ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1129 softc->flags |= ADA_FLAG_CAN_48BIT; 1130 if (cgd.inq_flags & SID_DMA48) 1131 softc->flags |= ADA_FLAG_CAN_DMA48; 1132 else 1133 softc->flags &= ~ADA_FLAG_CAN_DMA48; 1134 } else 1135 softc->flags &= ~(ADA_FLAG_CAN_48BIT | 1136 ADA_FLAG_CAN_DMA48); 1137 if ((cgd.ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1138 (cgd.inq_flags & SID_DMA) && (cgd.inq_flags & SID_CmdQue)) 1139 softc->flags |= ADA_FLAG_CAN_NCQ; 1140 else 1141 softc->flags &= ~ADA_FLAG_CAN_NCQ; 1142 1143 if ((cgd.ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1144 (cgd.inq_flags & SID_DMA)) { 1145 softc->flags |= ADA_FLAG_CAN_TRIM; 1146 /* 1147 * If we can do RCVSND_FPDMA_QUEUED commands, we may be able to do 1148 * NCQ trims, if we support trims at all. We also need support from 1149 * the sim do do things properly. Perhaps we should look at log 13 1150 * dword 0 bit 0 and dword 1 bit 0 are set too... 1151 */ 1152 if ((softc->quirks & ADA_Q_NCQ_TRIM_BROKEN) == 0 && 1153 (softc->flags & ADA_FLAG_PIM_CAN_NCQ_TRIM) != 0 && 1154 (cgd.ident_data.satacapabilities2 & ATA_SUPPORT_RCVSND_FPDMA_QUEUED) != 0 && 1155 (softc->flags & ADA_FLAG_CAN_TRIM) != 0) 1156 softc->flags |= ADA_FLAG_CAN_NCQ_TRIM; 1157 else 1158 softc->flags &= ~ADA_FLAG_CAN_NCQ_TRIM; 1159 } else 1160 softc->flags &= ~(ADA_FLAG_CAN_TRIM | ADA_FLAG_CAN_NCQ_TRIM); 1161 adasetdeletemethod(softc); 1162 1163 cam_periph_async(periph, code, path, arg); 1164 break; 1165 } 1166 case AC_ADVINFO_CHANGED: 1167 { 1168 uintptr_t buftype; 1169 1170 buftype = (uintptr_t)arg; 1171 if (buftype == CDAI_TYPE_PHYS_PATH) { 1172 struct ada_softc *softc; 1173 1174 softc = periph->softc; 1175 disk_attr_changed(softc->disk, "GEOM::physpath", 1176 M_NOWAIT); 1177 } 1178 break; 1179 } 1180 case AC_SENT_BDR: 1181 case AC_BUS_RESET: 1182 { 1183 softc = (struct ada_softc *)periph->softc; 1184 cam_periph_async(periph, code, path, arg); 1185 if (softc->state != ADA_STATE_NORMAL) 1186 break; 1187 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1188 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1189 xpt_action((union ccb *)&cgd); 1190 if (ADA_RA >= 0 && 1191 cgd.ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) 1192 softc->state = ADA_STATE_RAHEAD; 1193 else if (ADA_WC >= 0 && 1194 cgd.ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) 1195 softc->state = ADA_STATE_WCACHE; 1196 else 1197 break; 1198 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1199 softc->state = ADA_STATE_NORMAL; 1200 else 1201 xpt_schedule(periph, CAM_PRIORITY_DEV); 1202 } 1203 default: 1204 cam_periph_async(periph, code, path, arg); 1205 break; 1206 } 1207} 1208 1209static void 1210adasysctlinit(void *context, int pending) 1211{ 1212 struct cam_periph *periph; 1213 struct ada_softc *softc; 1214 char tmpstr[80], tmpstr2[80]; 1215 1216 periph = (struct cam_periph *)context; 1217 1218 /* periph was held for us when this task was enqueued */ 1219 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1220 cam_periph_release(periph); 1221 return; 1222 } 1223 1224 softc = (struct ada_softc *)periph->softc; 1225 snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d", periph->unit_number); 1226 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1227 1228 sysctl_ctx_init(&softc->sysctl_ctx); 1229 softc->flags |= ADA_FLAG_SCTX_INIT; 1230 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1231 SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2, 1232 CTLFLAG_RD, 0, tmpstr); 1233 if (softc->sysctl_tree == NULL) { 1234 printf("adasysctlinit: unable to allocate sysctl tree\n"); 1235 cam_periph_release(periph); 1236 return; 1237 } 1238 1239 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1240 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RW, 1241 softc, 0, adadeletemethodsysctl, "A", 1242 "BIO_DELETE execution method"); 1243 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1244 OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE, 1245 &softc->read_ahead, 0, "Enable disk read ahead."); 1246 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1247 OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE, 1248 &softc->write_cache, 0, "Enable disk write cache."); 1249 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1250 OID_AUTO, "unmapped_io", CTLFLAG_RD | CTLFLAG_MPSAFE, 1251 &softc->unmappedio, 0, "Unmapped I/O leaf"); 1252 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1253 OID_AUTO, "rotating", CTLFLAG_RD | CTLFLAG_MPSAFE, 1254 &softc->rotating, 0, "Rotating media"); 1255#ifdef ADA_TEST_FAILURE 1256 /* 1257 * Add a 'door bell' sysctl which allows one to set it from userland 1258 * and cause something bad to happen. For the moment, we only allow 1259 * whacking the next read or write. 1260 */ 1261 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1262 OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1263 &softc->force_read_error, 0, 1264 "Force a read error for the next N reads."); 1265 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1266 OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1267 &softc->force_write_error, 0, 1268 "Force a write error for the next N writes."); 1269 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1270 OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1271 &softc->periodic_read_error, 0, 1272 "Force a read error every N reads (don't set too low)."); 1273#endif 1274 1275#ifdef CAM_IO_STATS 1276 softc->sysctl_stats_tree = SYSCTL_ADD_NODE(&softc->sysctl_stats_ctx, 1277 SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "stats", 1278 CTLFLAG_RD, 0, "Statistics"); 1279 SYSCTL_ADD_INT(&softc->sysctl_stats_ctx, 1280 SYSCTL_CHILDREN(softc->sysctl_stats_tree), 1281 OID_AUTO, "timeouts", CTLFLAG_RD | CTLFLAG_MPSAFE, 1282 &softc->timeouts, 0, 1283 "Device timeouts reported by the SIM"); 1284 SYSCTL_ADD_INT(&softc->sysctl_stats_ctx, 1285 SYSCTL_CHILDREN(softc->sysctl_stats_tree), 1286 OID_AUTO, "errors", CTLFLAG_RD | CTLFLAG_MPSAFE, 1287 &softc->errors, 0, 1288 "Transport errors reported by the SIM."); 1289 SYSCTL_ADD_INT(&softc->sysctl_stats_ctx, 1290 SYSCTL_CHILDREN(softc->sysctl_stats_tree), 1291 OID_AUTO, "pack_invalidations", CTLFLAG_RD | CTLFLAG_MPSAFE, 1292 &softc->invalidations, 0, 1293 "Device pack invalidations."); 1294#endif 1295 1296 cam_iosched_sysctl_init(softc->cam_iosched, &softc->sysctl_ctx, 1297 softc->sysctl_tree); 1298 1299 cam_periph_release(periph); 1300} 1301 1302static int 1303adagetattr(struct bio *bp) 1304{ 1305 int ret; 1306 struct cam_periph *periph; 1307 1308 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1309 cam_periph_lock(periph); 1310 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1311 periph->path); 1312 cam_periph_unlock(periph); 1313 if (ret == 0) 1314 bp->bio_completed = bp->bio_length; 1315 return ret; 1316} 1317 1318static int 1319adadeletemethodsysctl(SYSCTL_HANDLER_ARGS) 1320{ 1321 char buf[16]; 1322 const char *p; 1323 struct ada_softc *softc; 1324 int i, error, value, methods; 1325 1326 softc = (struct ada_softc *)arg1; 1327 1328 value = softc->delete_method; 1329 if (value < 0 || value > ADA_DELETE_MAX) 1330 p = "UNKNOWN"; 1331 else 1332 p = ada_delete_method_names[value]; 1333 strncpy(buf, p, sizeof(buf)); 1334 error = sysctl_handle_string(oidp, buf, sizeof(buf), req); 1335 if (error != 0 || req->newptr == NULL) 1336 return (error); 1337 methods = 1 << ADA_DELETE_DISABLE; 1338 if ((softc->flags & ADA_FLAG_CAN_CFA) && 1339 !(softc->flags & ADA_FLAG_CAN_48BIT)) 1340 methods |= 1 << ADA_DELETE_CFA_ERASE; 1341 if (softc->flags & ADA_FLAG_CAN_TRIM) 1342 methods |= 1 << ADA_DELETE_DSM_TRIM; 1343 if (softc->flags & ADA_FLAG_CAN_NCQ_TRIM) 1344 methods |= 1 << ADA_DELETE_NCQ_DSM_TRIM; 1345 for (i = 0; i <= ADA_DELETE_MAX; i++) { 1346 if (!(methods & (1 << i)) || 1347 strcmp(buf, ada_delete_method_names[i]) != 0) 1348 continue; 1349 softc->delete_method = i; 1350 return (0); 1351 } 1352 return (EINVAL); 1353} 1354 1355static cam_status 1356adaregister(struct cam_periph *periph, void *arg) 1357{ 1358 struct ada_softc *softc; 1359 struct ccb_pathinq cpi; 1360 struct ccb_getdev *cgd; 1361 char announce_buf[80]; 1362 struct disk_params *dp; 1363 caddr_t match; 1364 u_int maxio; 1365 int quirks; 1366 1367 cgd = (struct ccb_getdev *)arg; 1368 if (cgd == NULL) { 1369 printf("adaregister: no getdev CCB, can't register device\n"); 1370 return(CAM_REQ_CMP_ERR); 1371 } 1372 1373 softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF, 1374 M_NOWAIT|M_ZERO); 1375 1376 if (softc == NULL) { 1377 printf("adaregister: Unable to probe new device. " 1378 "Unable to allocate softc\n"); 1379 return(CAM_REQ_CMP_ERR); 1380 } 1381 1382 if (cam_iosched_init(&softc->cam_iosched, periph) != 0) { 1383 printf("adaregister: Unable to probe new device. " 1384 "Unable to allocate iosched memory\n"); 1385 return(CAM_REQ_CMP_ERR); 1386 } 1387 1388 if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1389 (cgd->inq_flags & SID_DMA)) 1390 softc->flags |= ADA_FLAG_CAN_DMA; 1391 if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1392 softc->flags |= ADA_FLAG_CAN_48BIT; 1393 if (cgd->inq_flags & SID_DMA48) 1394 softc->flags |= ADA_FLAG_CAN_DMA48; 1395 } 1396 if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE) 1397 softc->flags |= ADA_FLAG_CAN_FLUSHCACHE; 1398 if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT) 1399 softc->flags |= ADA_FLAG_CAN_POWERMGT; 1400 if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1401 (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue)) 1402 softc->flags |= ADA_FLAG_CAN_NCQ; 1403 if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1404 (cgd->inq_flags & SID_DMA)) { 1405 softc->flags |= ADA_FLAG_CAN_TRIM; 1406 softc->trim_max_ranges = TRIM_MAX_RANGES; 1407 if (cgd->ident_data.max_dsm_blocks != 0) { 1408 softc->trim_max_ranges = 1409 min(cgd->ident_data.max_dsm_blocks * 1410 ATA_DSM_BLK_RANGES, softc->trim_max_ranges); 1411 } 1412 } 1413 if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA) 1414 softc->flags |= ADA_FLAG_CAN_CFA; 1415 1416 adasetdeletemethod(softc); 1417 1418 periph->softc = softc; 1419 1420 /* 1421 * See if this device has any quirks. 1422 */ 1423 match = cam_quirkmatch((caddr_t)&cgd->ident_data, 1424 (caddr_t)ada_quirk_table, 1425 sizeof(ada_quirk_table)/sizeof(*ada_quirk_table), 1426 sizeof(*ada_quirk_table), ata_identify_match); 1427 if (match != NULL) 1428 softc->quirks = ((struct ada_quirk_entry *)match)->quirks; 1429 else 1430 softc->quirks = ADA_Q_NONE; 1431 1432 bzero(&cpi, sizeof(cpi)); 1433 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 1434 cpi.ccb_h.func_code = XPT_PATH_INQ; 1435 xpt_action((union ccb *)&cpi); 1436 1437 TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph); 1438 1439 /* 1440 * Register this media as a disk 1441 */ 1442 (void)cam_periph_hold(periph, PRIBIO); 1443 cam_periph_unlock(periph); 1444 snprintf(announce_buf, sizeof(announce_buf), 1445 "kern.cam.ada.%d.quirks", periph->unit_number); 1446 quirks = softc->quirks; 1447 TUNABLE_INT_FETCH(announce_buf, &quirks); 1448 softc->quirks = quirks; 1449 softc->read_ahead = -1; 1450 snprintf(announce_buf, sizeof(announce_buf), 1451 "kern.cam.ada.%d.read_ahead", periph->unit_number); 1452 TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead); 1453 softc->write_cache = -1; 1454 snprintf(announce_buf, sizeof(announce_buf), 1455 "kern.cam.ada.%d.write_cache", periph->unit_number); 1456 TUNABLE_INT_FETCH(announce_buf, &softc->write_cache); 1457 /* Disable queue sorting for non-rotational media by default. */ 1458 if (cgd->ident_data.media_rotation_rate == ATA_RATE_NON_ROTATING) { 1459 softc->rotating = 0; 1460 } else { 1461 softc->rotating = 1; 1462 } 1463 cam_iosched_set_sort_queue(softc->cam_iosched, softc->rotating ? -1 : 0); 1464 adagetparams(periph, cgd); 1465 softc->disk = disk_alloc(); 1466 softc->disk->d_rotation_rate = cgd->ident_data.media_rotation_rate; 1467 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1468 periph->unit_number, softc->params.secsize, 1469 DEVSTAT_ALL_SUPPORTED, 1470 DEVSTAT_TYPE_DIRECT | 1471 XPORT_DEVSTAT_TYPE(cpi.transport), 1472 DEVSTAT_PRIORITY_DISK); 1473 softc->disk->d_open = adaopen; 1474 softc->disk->d_close = adaclose; 1475 softc->disk->d_strategy = adastrategy; 1476 softc->disk->d_getattr = adagetattr; 1477 softc->disk->d_dump = adadump; 1478 softc->disk->d_gone = adadiskgonecb; 1479 softc->disk->d_name = "ada"; 1480 softc->disk->d_drv1 = periph; 1481 maxio = cpi.maxio; /* Honor max I/O size of SIM */ 1482 if (maxio == 0) 1483 maxio = DFLTPHYS; /* traditional default */ 1484 else if (maxio > MAXPHYS) 1485 maxio = MAXPHYS; /* for safety */ 1486 if (softc->flags & ADA_FLAG_CAN_48BIT) 1487 maxio = min(maxio, 65536 * softc->params.secsize); 1488 else /* 28bit ATA command limit */ 1489 maxio = min(maxio, 256 * softc->params.secsize); 1490 softc->disk->d_maxsize = maxio; 1491 softc->disk->d_unit = periph->unit_number; 1492 softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION; 1493 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) 1494 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1495 if (softc->flags & ADA_FLAG_CAN_TRIM) { 1496 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1497 softc->disk->d_delmaxsize = softc->params.secsize * 1498 ATA_DSM_RANGE_MAX * 1499 softc->trim_max_ranges; 1500 } else if ((softc->flags & ADA_FLAG_CAN_CFA) && 1501 !(softc->flags & ADA_FLAG_CAN_48BIT)) { 1502 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1503 softc->disk->d_delmaxsize = 256 * softc->params.secsize; 1504 } else 1505 softc->disk->d_delmaxsize = maxio; 1506 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) { 1507 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 1508 softc->unmappedio = 1; 1509 } 1510 /* 1511 * If we can do RCVSND_FPDMA_QUEUED commands, we may be able to do 1512 * NCQ trims, if we support trims at all. We also need support from 1513 * the sim do do things properly. Perhaps we should look at log 13 1514 * dword 0 bit 0 and dword 1 bit 0 are set too... 1515 */ 1516 if (cpi.hba_misc & PIM_NCQ_KLUDGE) 1517 softc->flags |= ADA_FLAG_PIM_CAN_NCQ_TRIM; 1518 if ((softc->quirks & ADA_Q_NCQ_TRIM_BROKEN) == 0 && 1519 (softc->flags & ADA_FLAG_PIM_CAN_NCQ_TRIM) != 0 && 1520 (cgd->ident_data.satacapabilities2 & ATA_SUPPORT_RCVSND_FPDMA_QUEUED) != 0 && 1521 (softc->flags & ADA_FLAG_CAN_TRIM) != 0) 1522 softc->flags |= ADA_FLAG_CAN_NCQ_TRIM; 1523 strlcpy(softc->disk->d_descr, cgd->ident_data.model, 1524 MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model))); 1525 strlcpy(softc->disk->d_ident, cgd->ident_data.serial, 1526 MIN(sizeof(softc->disk->d_ident), sizeof(cgd->ident_data.serial))); 1527 softc->disk->d_hba_vendor = cpi.hba_vendor; 1528 softc->disk->d_hba_device = cpi.hba_device; 1529 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1530 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1531 1532 softc->disk->d_sectorsize = softc->params.secsize; 1533 softc->disk->d_mediasize = (off_t)softc->params.sectors * 1534 softc->params.secsize; 1535 if (ata_physical_sector_size(&cgd->ident_data) != 1536 softc->params.secsize) { 1537 softc->disk->d_stripesize = 1538 ata_physical_sector_size(&cgd->ident_data); 1539 softc->disk->d_stripeoffset = (softc->disk->d_stripesize - 1540 ata_logical_sector_offset(&cgd->ident_data)) % 1541 softc->disk->d_stripesize; 1542 } else if (softc->quirks & ADA_Q_4K) { 1543 softc->disk->d_stripesize = 4096; 1544 softc->disk->d_stripeoffset = 0; 1545 } 1546 softc->disk->d_fwsectors = softc->params.secs_per_track; 1547 softc->disk->d_fwheads = softc->params.heads; 1548 ata_disk_firmware_geom_adjust(softc->disk); 1549 adasetdeletemethod(softc); 1550 1551 /* 1552 * Acquire a reference to the periph before we register with GEOM. 1553 * We'll release this reference once GEOM calls us back (via 1554 * adadiskgonecb()) telling us that our provider has been freed. 1555 */ 1556 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1557 xpt_print(periph->path, "%s: lost periph during " 1558 "registration!\n", __func__); 1559 cam_periph_lock(periph); 1560 return (CAM_REQ_CMP_ERR); 1561 } 1562 disk_create(softc->disk, DISK_VERSION); 1563 cam_periph_lock(periph); 1564 cam_periph_unhold(periph); 1565 1566 dp = &softc->params; 1567 snprintf(announce_buf, sizeof(announce_buf), 1568 "%juMB (%ju %u byte sectors)", 1569 ((uintmax_t)dp->secsize * dp->sectors) / (1024 * 1024), 1570 (uintmax_t)dp->sectors, dp->secsize); 1571 xpt_announce_periph(periph, announce_buf); 1572 xpt_announce_quirks(periph, softc->quirks, ADA_Q_BIT_STRING); 1573 1574 /* 1575 * Create our sysctl variables, now that we know 1576 * we have successfully attached. 1577 */ 1578 if (cam_periph_acquire(periph) == CAM_REQ_CMP) 1579 taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task); 1580 1581 /* 1582 * Add async callbacks for bus reset and 1583 * bus device reset calls. I don't bother 1584 * checking if this fails as, in most cases, 1585 * the system will function just fine without 1586 * them and the only alternative would be to 1587 * not attach the device on failure. 1588 */ 1589 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 1590 AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED, 1591 adaasync, periph, periph->path); 1592 1593 /* 1594 * Schedule a periodic event to occasionally send an 1595 * ordered tag to a device. 1596 */ 1597 callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0); 1598 callout_reset(&softc->sendordered_c, 1599 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1600 adasendorderedtag, softc); 1601 1602 if (ADA_RA >= 0 && 1603 cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) { 1604 softc->state = ADA_STATE_RAHEAD; 1605 } else if (ADA_WC >= 0 && 1606 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1607 softc->state = ADA_STATE_WCACHE; 1608 } else { 1609 softc->state = ADA_STATE_NORMAL; 1610 return(CAM_REQ_CMP); 1611 } 1612 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1613 softc->state = ADA_STATE_NORMAL; 1614 else 1615 xpt_schedule(periph, CAM_PRIORITY_DEV); 1616 return(CAM_REQ_CMP); 1617} 1618 1619static int 1620ada_dsmtrim_req_create(struct ada_softc *softc, struct bio *bp, struct trim_request *req) 1621{ 1622 uint64_t lastlba = (uint64_t)-1; 1623 int c, lastcount = 0, off, ranges = 0; 1624 1625 bzero(req, sizeof(*req)); 1626 TAILQ_INIT(&req->bps); 1627 do { 1628 uint64_t lba = bp->bio_pblkno; 1629 int count = bp->bio_bcount / softc->params.secsize; 1630 1631 /* Try to extend the previous range. */ 1632 if (lba == lastlba) { 1633 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 1634 lastcount += c; 1635 off = (ranges - 1) * ATA_DSM_RANGE_SIZE; 1636 req->data[off + 6] = lastcount & 0xff; 1637 req->data[off + 7] = 1638 (lastcount >> 8) & 0xff; 1639 count -= c; 1640 lba += c; 1641 } 1642 1643 while (count > 0) { 1644 c = min(count, ATA_DSM_RANGE_MAX); 1645 off = ranges * ATA_DSM_RANGE_SIZE; 1646 req->data[off + 0] = lba & 0xff; 1647 req->data[off + 1] = (lba >> 8) & 0xff; 1648 req->data[off + 2] = (lba >> 16) & 0xff; 1649 req->data[off + 3] = (lba >> 24) & 0xff; 1650 req->data[off + 4] = (lba >> 32) & 0xff; 1651 req->data[off + 5] = (lba >> 40) & 0xff; 1652 req->data[off + 6] = c & 0xff; 1653 req->data[off + 7] = (c >> 8) & 0xff; 1654 lba += c; 1655 count -= c; 1656 lastcount = c; 1657 ranges++; 1658 /* 1659 * Its the caller's responsibility to ensure the 1660 * request will fit so we don't need to check for 1661 * overrun here 1662 */ 1663 } 1664 lastlba = lba; 1665 TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue); 1666 1667 bp = cam_iosched_next_trim(softc->cam_iosched); 1668 if (bp == NULL) 1669 break; 1670 if (bp->bio_bcount / softc->params.secsize > 1671 (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) { 1672 cam_iosched_put_back_trim(softc->cam_iosched, bp); 1673 break; 1674 } 1675 } while (1); 1676 1677 return (ranges); 1678} 1679 1680static void 1681ada_dsmtrim(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio) 1682{ 1683 struct trim_request *req = &softc->trim_req; 1684 int ranges; 1685 1686 ranges = ada_dsmtrim_req_create(softc, bp, req); 1687 cam_fill_ataio(ataio, 1688 ada_retry_count, 1689 adadone, 1690 CAM_DIR_OUT, 1691 0, 1692 req->data, 1693 ((ranges + ATA_DSM_BLK_RANGES - 1) / 1694 ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE, 1695 ada_default_timeout * 1000); 1696 ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT, 1697 ATA_DSM_TRIM, 0, (ranges + ATA_DSM_BLK_RANGES - 1698 1) / ATA_DSM_BLK_RANGES); 1699} 1700 1701static void 1702ada_ncq_dsmtrim(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio) 1703{ 1704 struct trim_request *req = &softc->trim_req; 1705 int ranges; 1706 1707 ranges = ada_dsmtrim_req_create(softc, bp, req); 1708 cam_fill_ataio(ataio, 1709 ada_retry_count, 1710 adadone, 1711 CAM_DIR_OUT, 1712 0, 1713 req->data, 1714 ((ranges + ATA_DSM_BLK_RANGES - 1) / 1715 ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE, 1716 ada_default_timeout * 1000); 1717 ata_ncq_cmd(ataio, 1718 ATA_SEND_FPDMA_QUEUED, 1719 0, 1720 (ranges + ATA_DSM_BLK_RANGES - 1) / ATA_DSM_BLK_RANGES); 1721 ataio->cmd.sector_count_exp = ATA_SFPDMA_DSM; 1722 ataio->cmd.flags |= CAM_ATAIO_AUX_HACK; 1723} 1724 1725static void 1726ada_cfaerase(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio) 1727{ 1728 struct trim_request *req = &softc->trim_req; 1729 uint64_t lba = bp->bio_pblkno; 1730 uint16_t count = bp->bio_bcount / softc->params.secsize; 1731 1732 bzero(req, sizeof(*req)); 1733 TAILQ_INIT(&req->bps); 1734 TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue); 1735 1736 cam_fill_ataio(ataio, 1737 ada_retry_count, 1738 adadone, 1739 CAM_DIR_NONE, 1740 0, 1741 NULL, 1742 0, 1743 ada_default_timeout*1000); 1744 1745 if (count >= 256) 1746 count = 0; 1747 ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count); 1748} 1749 1750static void 1751adastart(struct cam_periph *periph, union ccb *start_ccb) 1752{ 1753 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1754 struct ccb_ataio *ataio = &start_ccb->ataio; 1755 1756 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n")); 1757 1758 switch (softc->state) { 1759 case ADA_STATE_NORMAL: 1760 { 1761 struct bio *bp; 1762 u_int8_t tag_code; 1763 1764 bp = cam_iosched_next_bio(softc->cam_iosched); 1765 if (bp == NULL) { 1766 xpt_release_ccb(start_ccb); 1767 break; 1768 } 1769 1770 if ((bp->bio_flags & BIO_ORDERED) != 0 || 1771 (bp->bio_cmd != BIO_DELETE && (softc->flags & ADA_FLAG_NEED_OTAG) != 0)) { 1772 softc->flags &= ~ADA_FLAG_NEED_OTAG; 1773 softc->flags |= ADA_FLAG_WAS_OTAG; 1774 tag_code = 0; 1775 } else { 1776 tag_code = 1; 1777 } 1778 switch (bp->bio_cmd) { 1779 case BIO_WRITE: 1780 case BIO_READ: 1781 { 1782 uint64_t lba = bp->bio_pblkno; 1783 uint16_t count = bp->bio_bcount / softc->params.secsize; 1784 void *data_ptr; 1785 int rw_op; 1786 1787 if (bp->bio_cmd == BIO_WRITE) { 1788 softc->flags |= ADA_FLAG_DIRTY; 1789 rw_op = CAM_DIR_OUT; 1790 } else { 1791 rw_op = CAM_DIR_IN; 1792 } 1793 1794 data_ptr = bp->bio_data; 1795 if ((bp->bio_flags & (BIO_UNMAPPED|BIO_VLIST)) != 0) { 1796 rw_op |= CAM_DATA_BIO; 1797 data_ptr = bp; 1798 } 1799 1800#ifdef ADA_TEST_FAILURE 1801 int fail = 0; 1802 1803 /* 1804 * Support the failure ioctls. If the command is a 1805 * read, and there are pending forced read errors, or 1806 * if a write and pending write errors, then fail this 1807 * operation with EIO. This is useful for testing 1808 * purposes. Also, support having every Nth read fail. 1809 * 1810 * This is a rather blunt tool. 1811 */ 1812 if (bp->bio_cmd == BIO_READ) { 1813 if (softc->force_read_error) { 1814 softc->force_read_error--; 1815 fail = 1; 1816 } 1817 if (softc->periodic_read_error > 0) { 1818 if (++softc->periodic_read_count >= 1819 softc->periodic_read_error) { 1820 softc->periodic_read_count = 0; 1821 fail = 1; 1822 } 1823 } 1824 } else { 1825 if (softc->force_write_error) { 1826 softc->force_write_error--; 1827 fail = 1; 1828 } 1829 } 1830 if (fail) { 1831 biofinish(bp, NULL, EIO); 1832 xpt_release_ccb(start_ccb); 1833 adaschedule(periph); 1834 return; 1835 } 1836#endif 1837 KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 || 1838 round_page(bp->bio_bcount + bp->bio_ma_offset) / 1839 PAGE_SIZE == bp->bio_ma_n, 1840 ("Short bio %p", bp)); 1841 cam_fill_ataio(ataio, 1842 ada_retry_count, 1843 adadone, 1844 rw_op, 1845 tag_code, 1846 data_ptr, 1847 bp->bio_bcount, 1848 ada_default_timeout*1000); 1849 1850 if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) { 1851 if (bp->bio_cmd == BIO_READ) { 1852 ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED, 1853 lba, count); 1854 } else { 1855 ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED, 1856 lba, count); 1857 } 1858 } else if ((softc->flags & ADA_FLAG_CAN_48BIT) && 1859 (lba + count >= ATA_MAX_28BIT_LBA || 1860 count > 256)) { 1861 if (softc->flags & ADA_FLAG_CAN_DMA48) { 1862 if (bp->bio_cmd == BIO_READ) { 1863 ata_48bit_cmd(ataio, ATA_READ_DMA48, 1864 0, lba, count); 1865 } else { 1866 ata_48bit_cmd(ataio, ATA_WRITE_DMA48, 1867 0, lba, count); 1868 } 1869 } else { 1870 if (bp->bio_cmd == BIO_READ) { 1871 ata_48bit_cmd(ataio, ATA_READ_MUL48, 1872 0, lba, count); 1873 } else { 1874 ata_48bit_cmd(ataio, ATA_WRITE_MUL48, 1875 0, lba, count); 1876 } 1877 } 1878 } else { 1879 if (count == 256) 1880 count = 0; 1881 if (softc->flags & ADA_FLAG_CAN_DMA) { 1882 if (bp->bio_cmd == BIO_READ) { 1883 ata_28bit_cmd(ataio, ATA_READ_DMA, 1884 0, lba, count); 1885 } else { 1886 ata_28bit_cmd(ataio, ATA_WRITE_DMA, 1887 0, lba, count); 1888 } 1889 } else { 1890 if (bp->bio_cmd == BIO_READ) { 1891 ata_28bit_cmd(ataio, ATA_READ_MUL, 1892 0, lba, count); 1893 } else { 1894 ata_28bit_cmd(ataio, ATA_WRITE_MUL, 1895 0, lba, count); 1896 } 1897 } 1898 } 1899 break; 1900 } 1901 case BIO_DELETE: 1902 switch (softc->delete_method) { 1903 case ADA_DELETE_NCQ_DSM_TRIM: 1904 ada_ncq_dsmtrim(softc, bp, ataio); 1905 break; 1906 case ADA_DELETE_DSM_TRIM: 1907 ada_dsmtrim(softc, bp, ataio); 1908 break; 1909 case ADA_DELETE_CFA_ERASE: 1910 ada_cfaerase(softc, bp, ataio); 1911 break; 1912 default: 1913 biofinish(bp, NULL, EOPNOTSUPP); 1914 xpt_release_ccb(start_ccb); 1915 adaschedule(periph); 1916 return; 1917 } 1918 start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM; 1919 start_ccb->ccb_h.flags |= CAM_UNLOCKED; 1920 cam_iosched_submit_trim(softc->cam_iosched); 1921 goto out; 1922 case BIO_FLUSH: 1923 cam_fill_ataio(ataio, 1924 1, 1925 adadone, 1926 CAM_DIR_NONE, 1927 0, 1928 NULL, 1929 0, 1930 ada_default_timeout*1000); 1931 1932 if (softc->flags & ADA_FLAG_CAN_48BIT) 1933 ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1934 else 1935 ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0); 1936 break; 1937 } 1938 start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO; 1939 start_ccb->ccb_h.flags |= CAM_UNLOCKED; 1940out: 1941 start_ccb->ccb_h.ccb_bp = bp; 1942 softc->outstanding_cmds++; 1943 softc->refcount++; 1944 cam_periph_unlock(periph); 1945 xpt_action(start_ccb); 1946 cam_periph_lock(periph); 1947 softc->refcount--; 1948 1949 /* May have more work to do, so ensure we stay scheduled */ 1950 adaschedule(periph); 1951 break; 1952 } 1953 case ADA_STATE_RAHEAD: 1954 case ADA_STATE_WCACHE: 1955 { 1956 cam_fill_ataio(ataio, 1957 1, 1958 adadone, 1959 CAM_DIR_NONE, 1960 0, 1961 NULL, 1962 0, 1963 ada_default_timeout*1000); 1964 1965 if (softc->state == ADA_STATE_RAHEAD) { 1966 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ? 1967 ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0); 1968 start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD; 1969 } else { 1970 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ? 1971 ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0); 1972 start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE; 1973 } 1974 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1975 xpt_action(start_ccb); 1976 break; 1977 } 1978 } 1979} 1980 1981static void 1982adadone(struct cam_periph *periph, union ccb *done_ccb) 1983{ 1984 struct ada_softc *softc; 1985 struct ccb_ataio *ataio; 1986 struct ccb_getdev *cgd; 1987 struct cam_path *path; 1988 int state; 1989 1990 softc = (struct ada_softc *)periph->softc; 1991 ataio = &done_ccb->ataio; 1992 path = done_ccb->ccb_h.path; 1993 1994 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n")); 1995 1996 state = ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK; 1997 switch (state) { 1998 case ADA_CCB_BUFFER_IO: 1999 case ADA_CCB_TRIM: 2000 { 2001 struct bio *bp; 2002 int error; 2003 2004 cam_periph_lock(periph); 2005 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 2006 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2007 error = adaerror(done_ccb, 0, 0); 2008 if (error == ERESTART) { 2009 /* A retry was scheduled, so just return. */ 2010 cam_periph_unlock(periph); 2011 return; 2012 } 2013 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2014 cam_release_devq(path, 2015 /*relsim_flags*/0, 2016 /*reduction*/0, 2017 /*timeout*/0, 2018 /*getcount_only*/0); 2019 /* 2020 * If we get an error on an NCQ DSM TRIM, fall back 2021 * to a non-NCQ DSM TRIM forever. Please note that if 2022 * CAN_NCQ_TRIM is set, CAN_TRIM is necessarily set too. 2023 * However, for this one trim, we treat it as advisory 2024 * and return success up the stack. 2025 */ 2026 if (state == ADA_CCB_TRIM && 2027 error != 0 && 2028 (softc->flags & ADA_FLAG_CAN_NCQ_TRIM) != 0) { 2029 softc->flags &= ~ADA_FLAG_CAN_NCQ_TRIM; 2030 error = 0; 2031 adasetdeletemethod(softc); 2032 } 2033 } else { 2034 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2035 panic("REQ_CMP with QFRZN"); 2036 error = 0; 2037 } 2038 bp->bio_error = error; 2039 if (error != 0) { 2040 bp->bio_resid = bp->bio_bcount; 2041 bp->bio_flags |= BIO_ERROR; 2042 } else { 2043 if (state == ADA_CCB_TRIM) 2044 bp->bio_resid = 0; 2045 else 2046 bp->bio_resid = ataio->resid; 2047 if (bp->bio_resid > 0) 2048 bp->bio_flags |= BIO_ERROR; 2049 } 2050 softc->outstanding_cmds--; 2051 if (softc->outstanding_cmds == 0) 2052 softc->flags |= ADA_FLAG_WAS_OTAG; 2053 2054 cam_iosched_bio_complete(softc->cam_iosched, bp, done_ccb); 2055 xpt_release_ccb(done_ccb); 2056 if (state == ADA_CCB_TRIM) { 2057 TAILQ_HEAD(, bio) queue; 2058 struct bio *bp1; 2059 2060 TAILQ_INIT(&queue); 2061 TAILQ_CONCAT(&queue, &softc->trim_req.bps, bio_queue); 2062 /* 2063 * Normally, the xpt_release_ccb() above would make sure 2064 * that when we have more work to do, that work would 2065 * get kicked off. However, we specifically keep 2066 * trim_running set to 0 before the call above to allow 2067 * other I/O to progress when many BIO_DELETE requests 2068 * are pushed down. We set trim_running to 0 and call 2069 * daschedule again so that we don't stall if there are 2070 * no other I/Os pending apart from BIO_DELETEs. 2071 */ 2072 cam_iosched_trim_done(softc->cam_iosched); 2073 adaschedule(periph); 2074 cam_periph_unlock(periph); 2075 while ((bp1 = TAILQ_FIRST(&queue)) != NULL) { 2076 TAILQ_REMOVE(&queue, bp1, bio_queue); 2077 bp1->bio_error = error; 2078 if (error != 0) { 2079 bp1->bio_flags |= BIO_ERROR; 2080 bp1->bio_resid = bp1->bio_bcount; 2081 } else 2082 bp1->bio_resid = 0; 2083 biodone(bp1); 2084 } 2085 } else { 2086 adaschedule(periph); 2087 cam_periph_unlock(periph); 2088 biodone(bp); 2089 } 2090 return; 2091 } 2092 case ADA_CCB_RAHEAD: 2093 { 2094 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2095 if (adaerror(done_ccb, 0, 0) == ERESTART) { 2096out: 2097 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 2098 cam_release_devq(path, 0, 0, 0, FALSE); 2099 return; 2100 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 2101 cam_release_devq(path, 2102 /*relsim_flags*/0, 2103 /*reduction*/0, 2104 /*timeout*/0, 2105 /*getcount_only*/0); 2106 } 2107 } 2108 2109 /* 2110 * Since our peripheral may be invalidated by an error 2111 * above or an external event, we must release our CCB 2112 * before releasing the reference on the peripheral. 2113 * The peripheral will only go away once the last reference 2114 * is removed, and we need it around for the CCB release 2115 * operation. 2116 */ 2117 cgd = (struct ccb_getdev *)done_ccb; 2118 xpt_setup_ccb(&cgd->ccb_h, path, CAM_PRIORITY_NORMAL); 2119 cgd->ccb_h.func_code = XPT_GDEV_TYPE; 2120 xpt_action((union ccb *)cgd); 2121 if (ADA_WC >= 0 && 2122 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 2123 softc->state = ADA_STATE_WCACHE; 2124 xpt_release_ccb(done_ccb); 2125 xpt_schedule(periph, CAM_PRIORITY_DEV); 2126 goto out; 2127 } 2128 softc->state = ADA_STATE_NORMAL; 2129 xpt_release_ccb(done_ccb); 2130 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 2131 cam_release_devq(path, 0, 0, 0, FALSE); 2132 adaschedule(periph); 2133 cam_periph_release_locked(periph); 2134 return; 2135 } 2136 case ADA_CCB_WCACHE: 2137 { 2138 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2139 if (adaerror(done_ccb, 0, 0) == ERESTART) { 2140 goto out; 2141 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 2142 cam_release_devq(path, 2143 /*relsim_flags*/0, 2144 /*reduction*/0, 2145 /*timeout*/0, 2146 /*getcount_only*/0); 2147 } 2148 } 2149 2150 softc->state = ADA_STATE_NORMAL; 2151 /* 2152 * Since our peripheral may be invalidated by an error 2153 * above or an external event, we must release our CCB 2154 * before releasing the reference on the peripheral. 2155 * The peripheral will only go away once the last reference 2156 * is removed, and we need it around for the CCB release 2157 * operation. 2158 */ 2159 xpt_release_ccb(done_ccb); 2160 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 2161 cam_release_devq(path, 0, 0, 0, FALSE); 2162 adaschedule(periph); 2163 cam_periph_release_locked(periph); 2164 return; 2165 } 2166 case ADA_CCB_DUMP: 2167 /* No-op. We're polling */ 2168 return; 2169 default: 2170 break; 2171 } 2172 xpt_release_ccb(done_ccb); 2173} 2174 2175static int 2176adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 2177{ 2178 struct ada_softc *softc; 2179 struct cam_periph *periph; 2180 2181 periph = xpt_path_periph(ccb->ccb_h.path); 2182 softc = (struct ada_softc *)periph->softc; 2183 2184 switch (ccb->ccb_h.status & CAM_STATUS_MASK) { 2185 case CAM_CMD_TIMEOUT: 2186#ifdef CAM_IO_STATS 2187 softc->timeouts++; 2188#endif 2189 break; 2190 case CAM_REQ_ABORTED: 2191 case CAM_REQ_CMP_ERR: 2192 case CAM_REQ_TERMIO: 2193 case CAM_UNREC_HBA_ERROR: 2194 case CAM_DATA_RUN_ERR: 2195 case CAM_ATA_STATUS_ERROR: 2196#ifdef CAM_IO_STATS 2197 softc->errors++; 2198#endif 2199 break; 2200 default: 2201 break; 2202 } 2203 2204 return(cam_periph_error(ccb, cam_flags, sense_flags, NULL)); 2205} 2206 2207static void 2208adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd) 2209{ 2210 struct ada_softc *softc = (struct ada_softc *)periph->softc; 2211 struct disk_params *dp = &softc->params; 2212 u_int64_t lbasize48; 2213 u_int32_t lbasize; 2214 2215 dp->secsize = ata_logical_sector_size(&cgd->ident_data); 2216 if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) && 2217 cgd->ident_data.current_heads && cgd->ident_data.current_sectors) { 2218 dp->heads = cgd->ident_data.current_heads; 2219 dp->secs_per_track = cgd->ident_data.current_sectors; 2220 dp->cylinders = cgd->ident_data.cylinders; 2221 dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 | 2222 ((u_int32_t)cgd->ident_data.current_size_2 << 16); 2223 } else { 2224 dp->heads = cgd->ident_data.heads; 2225 dp->secs_per_track = cgd->ident_data.sectors; 2226 dp->cylinders = cgd->ident_data.cylinders; 2227 dp->sectors = cgd->ident_data.cylinders * dp->heads * dp->secs_per_track; 2228 } 2229 lbasize = (u_int32_t)cgd->ident_data.lba_size_1 | 2230 ((u_int32_t)cgd->ident_data.lba_size_2 << 16); 2231 2232 /* use the 28bit LBA size if valid or bigger than the CHS mapping */ 2233 if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize) 2234 dp->sectors = lbasize; 2235 2236 /* use the 48bit LBA size if valid */ 2237 lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) | 2238 ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) | 2239 ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) | 2240 ((u_int64_t)cgd->ident_data.lba_size48_4 << 48); 2241 if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) && 2242 lbasize48 > ATA_MAX_28BIT_LBA) 2243 dp->sectors = lbasize48; 2244} 2245 2246static void 2247adasendorderedtag(void *arg) 2248{ 2249 struct ada_softc *softc = arg; 2250 2251 if (ada_send_ordered) { 2252 if (softc->outstanding_cmds > 0) { 2253 if ((softc->flags & ADA_FLAG_WAS_OTAG) == 0) 2254 softc->flags |= ADA_FLAG_NEED_OTAG; 2255 softc->flags &= ~ADA_FLAG_WAS_OTAG; 2256 } 2257 } 2258 /* Queue us up again */ 2259 callout_reset(&softc->sendordered_c, 2260 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 2261 adasendorderedtag, softc); 2262} 2263 2264/* 2265 * Step through all ADA peripheral drivers, and if the device is still open, 2266 * sync the disk cache to physical media. 2267 */ 2268static void 2269adaflush(void) 2270{ 2271 struct cam_periph *periph; 2272 struct ada_softc *softc; 2273 union ccb *ccb; 2274 int error; 2275 2276 CAM_PERIPH_FOREACH(periph, &adadriver) { 2277 softc = (struct ada_softc *)periph->softc; 2278 if (SCHEDULER_STOPPED()) { 2279 /* If we paniced with the lock held, do not recurse. */ 2280 if (!cam_periph_owned(periph) && 2281 (softc->flags & ADA_FLAG_OPEN)) { 2282 adadump(softc->disk, NULL, 0, 0, 0); 2283 } 2284 continue; 2285 } 2286 cam_periph_lock(periph); 2287 /* 2288 * We only sync the cache if the drive is still open, and 2289 * if the drive is capable of it.. 2290 */ 2291 if (((softc->flags & ADA_FLAG_OPEN) == 0) || 2292 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) { 2293 cam_periph_unlock(periph); 2294 continue; 2295 } 2296 2297 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2298 cam_fill_ataio(&ccb->ataio, 2299 0, 2300 adadone, 2301 CAM_DIR_NONE, 2302 0, 2303 NULL, 2304 0, 2305 ada_default_timeout*1000); 2306 if (softc->flags & ADA_FLAG_CAN_48BIT) 2307 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 2308 else 2309 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 2310 2311 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 2312 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 2313 softc->disk->d_devstat); 2314 if (error != 0) 2315 xpt_print(periph->path, "Synchronize cache failed\n"); 2316 xpt_release_ccb(ccb); 2317 cam_periph_unlock(periph); 2318 } 2319} 2320 2321static void 2322adaspindown(uint8_t cmd, int flags) 2323{ 2324 struct cam_periph *periph; 2325 struct ada_softc *softc; 2326 union ccb *ccb; 2327 int error; 2328 2329 CAM_PERIPH_FOREACH(periph, &adadriver) { 2330 /* If we paniced with lock held - not recurse here. */ 2331 if (cam_periph_owned(periph)) 2332 continue; 2333 cam_periph_lock(periph); 2334 softc = (struct ada_softc *)periph->softc; 2335 /* 2336 * We only spin-down the drive if it is capable of it.. 2337 */ 2338 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2339 cam_periph_unlock(periph); 2340 continue; 2341 } 2342 2343 if (bootverbose) 2344 xpt_print(periph->path, "spin-down\n"); 2345 2346 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2347 cam_fill_ataio(&ccb->ataio, 2348 0, 2349 adadone, 2350 CAM_DIR_NONE | flags, 2351 0, 2352 NULL, 2353 0, 2354 ada_default_timeout*1000); 2355 ata_28bit_cmd(&ccb->ataio, cmd, 0, 0, 0); 2356 2357 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 2358 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 2359 softc->disk->d_devstat); 2360 if (error != 0) 2361 xpt_print(periph->path, "Spin-down disk failed\n"); 2362 xpt_release_ccb(ccb); 2363 cam_periph_unlock(periph); 2364 } 2365} 2366 2367static void 2368adashutdown(void *arg, int howto) 2369{ 2370 2371 adaflush(); 2372 if (ada_spindown_shutdown != 0 && 2373 (howto & (RB_HALT | RB_POWEROFF)) != 0) 2374 adaspindown(ATA_STANDBY_IMMEDIATE, 0); 2375} 2376 2377static void 2378adasuspend(void *arg) 2379{ 2380 2381 adaflush(); 2382 if (ada_spindown_suspend != 0) 2383 adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE); 2384} 2385 2386static void 2387adaresume(void *arg) 2388{ 2389 struct cam_periph *periph; 2390 struct ada_softc *softc; 2391 2392 if (ada_spindown_suspend == 0) 2393 return; 2394 2395 CAM_PERIPH_FOREACH(periph, &adadriver) { 2396 cam_periph_lock(periph); 2397 softc = (struct ada_softc *)periph->softc; 2398 /* 2399 * We only spin-down the drive if it is capable of it.. 2400 */ 2401 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2402 cam_periph_unlock(periph); 2403 continue; 2404 } 2405 2406 if (bootverbose) 2407 xpt_print(periph->path, "resume\n"); 2408 2409 /* 2410 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on 2411 * sleep request. 2412 */ 2413 cam_release_devq(periph->path, 2414 /*relsim_flags*/0, 2415 /*openings*/0, 2416 /*timeout*/0, 2417 /*getcount_only*/0); 2418 2419 cam_periph_unlock(periph); 2420 } 2421} 2422 2423#endif /* _KERNEL */ 2424