ata_da.c revision 298649
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 298649 2016-04-26 15:38:17Z pfg $"); 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 * Samsung PM851 Series SSDs Dell OEM 592 * device model "SAMSUNG SSD PM851 mSATA 256GB" 593 * 4k optimised, NCQ broken 594 */ 595 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG SSD PM851*", "*" }, 596 /*quirks*/ADA_Q_4K | ADA_Q_NCQ_TRIM_BROKEN 597 }, 598 { 599 /* 600 * SuperTalent TeraDrive CT SSDs 601 * 4k optimised & trim only works in 4k requests + 4k aligned 602 */ 603 { T_DIRECT, SIP_MEDIA_FIXED, "*", "FTM??CT25H*", "*" }, 604 /*quirks*/ADA_Q_4K 605 }, 606 { 607 /* 608 * XceedIOPS SATA SSDs 609 * 4k optimised 610 */ 611 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SG9XCS2D*", "*" }, 612 /*quirks*/ADA_Q_4K 613 }, 614 { 615 /* Default */ 616 { 617 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 618 /*vendor*/"*", /*product*/"*", /*revision*/"*" 619 }, 620 /*quirks*/0 621 }, 622}; 623 624static disk_strategy_t adastrategy; 625static dumper_t adadump; 626static periph_init_t adainit; 627static void adaasync(void *callback_arg, u_int32_t code, 628 struct cam_path *path, void *arg); 629static void adasysctlinit(void *context, int pending); 630static periph_ctor_t adaregister; 631static periph_dtor_t adacleanup; 632static periph_start_t adastart; 633static periph_oninv_t adaoninvalidate; 634static void adadone(struct cam_periph *periph, 635 union ccb *done_ccb); 636static int adaerror(union ccb *ccb, u_int32_t cam_flags, 637 u_int32_t sense_flags); 638static void adagetparams(struct cam_periph *periph, 639 struct ccb_getdev *cgd); 640static timeout_t adasendorderedtag; 641static void adashutdown(void *arg, int howto); 642static void adasuspend(void *arg); 643static void adaresume(void *arg); 644 645#ifndef ADA_DEFAULT_LEGACY_ALIASES 646#define ADA_DEFAULT_LEGACY_ALIASES 1 647#endif 648 649#ifndef ADA_DEFAULT_TIMEOUT 650#define ADA_DEFAULT_TIMEOUT 30 /* Timeout in seconds */ 651#endif 652 653#ifndef ADA_DEFAULT_RETRY 654#define ADA_DEFAULT_RETRY 4 655#endif 656 657#ifndef ADA_DEFAULT_SEND_ORDERED 658#define ADA_DEFAULT_SEND_ORDERED 1 659#endif 660 661#ifndef ADA_DEFAULT_SPINDOWN_SHUTDOWN 662#define ADA_DEFAULT_SPINDOWN_SHUTDOWN 1 663#endif 664 665#ifndef ADA_DEFAULT_SPINDOWN_SUSPEND 666#define ADA_DEFAULT_SPINDOWN_SUSPEND 1 667#endif 668 669#ifndef ADA_DEFAULT_READ_AHEAD 670#define ADA_DEFAULT_READ_AHEAD 1 671#endif 672 673#ifndef ADA_DEFAULT_WRITE_CACHE 674#define ADA_DEFAULT_WRITE_CACHE 1 675#endif 676 677#define ADA_RA (softc->read_ahead >= 0 ? \ 678 softc->read_ahead : ada_read_ahead) 679#define ADA_WC (softc->write_cache >= 0 ? \ 680 softc->write_cache : ada_write_cache) 681 682/* 683 * Most platforms map firmware geometry to actual, but some don't. If 684 * not overridden, default to nothing. 685 */ 686#ifndef ata_disk_firmware_geom_adjust 687#define ata_disk_firmware_geom_adjust(disk) 688#endif 689 690static int ada_retry_count = ADA_DEFAULT_RETRY; 691static int ada_default_timeout = ADA_DEFAULT_TIMEOUT; 692static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED; 693static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN; 694static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND; 695static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD; 696static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE; 697 698static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD, 0, 699 "CAM Direct Access Disk driver"); 700SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RWTUN, 701 &ada_retry_count, 0, "Normal I/O retry count"); 702SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RWTUN, 703 &ada_default_timeout, 0, "Normal I/O timeout (in seconds)"); 704SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RWTUN, 705 &ada_send_ordered, 0, "Send Ordered Tags"); 706SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RWTUN, 707 &ada_spindown_shutdown, 0, "Spin down upon shutdown"); 708SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RWTUN, 709 &ada_spindown_suspend, 0, "Spin down upon suspend"); 710SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RWTUN, 711 &ada_read_ahead, 0, "Enable disk read-ahead"); 712SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RWTUN, 713 &ada_write_cache, 0, "Enable disk write cache"); 714 715/* 716 * ADA_ORDEREDTAG_INTERVAL determines how often, relative 717 * to the default timeout, we check to see whether an ordered 718 * tagged transaction is appropriate to prevent simple tag 719 * starvation. Since we'd like to ensure that there is at least 720 * 1/2 of the timeout length left for a starved transaction to 721 * complete after we've sent an ordered tag, we must poll at least 722 * four times in every timeout period. This takes care of the worst 723 * case where a starved transaction starts during an interval that 724 * meets the requirement "don't send an ordered tag" test so it takes 725 * us two intervals to determine that a tag must be sent. 726 */ 727#ifndef ADA_ORDEREDTAG_INTERVAL 728#define ADA_ORDEREDTAG_INTERVAL 4 729#endif 730 731static struct periph_driver adadriver = 732{ 733 adainit, "ada", 734 TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0 735}; 736 737static int adadeletemethodsysctl(SYSCTL_HANDLER_ARGS); 738 739PERIPHDRIVER_DECLARE(ada, adadriver); 740 741static int 742adaopen(struct disk *dp) 743{ 744 struct cam_periph *periph; 745 struct ada_softc *softc; 746 int error; 747 748 periph = (struct cam_periph *)dp->d_drv1; 749 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 750 return(ENXIO); 751 } 752 753 cam_periph_lock(periph); 754 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 755 cam_periph_unlock(periph); 756 cam_periph_release(periph); 757 return (error); 758 } 759 760 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 761 ("adaopen\n")); 762 763 softc = (struct ada_softc *)periph->softc; 764 softc->flags |= ADA_FLAG_OPEN; 765 766 cam_periph_unhold(periph); 767 cam_periph_unlock(periph); 768 return (0); 769} 770 771static int 772adaclose(struct disk *dp) 773{ 774 struct cam_periph *periph; 775 struct ada_softc *softc; 776 union ccb *ccb; 777 int error; 778 779 periph = (struct cam_periph *)dp->d_drv1; 780 softc = (struct ada_softc *)periph->softc; 781 cam_periph_lock(periph); 782 783 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 784 ("adaclose\n")); 785 786 /* We only sync the cache if the drive is capable of it. */ 787 if ((softc->flags & ADA_FLAG_DIRTY) != 0 && 788 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 && 789 (periph->flags & CAM_PERIPH_INVALID) == 0 && 790 cam_periph_hold(periph, PRIBIO) == 0) { 791 792 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 793 cam_fill_ataio(&ccb->ataio, 794 1, 795 adadone, 796 CAM_DIR_NONE, 797 0, 798 NULL, 799 0, 800 ada_default_timeout*1000); 801 802 if (softc->flags & ADA_FLAG_CAN_48BIT) 803 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 804 else 805 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 806 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 807 /*sense_flags*/0, softc->disk->d_devstat); 808 809 if (error != 0) 810 xpt_print(periph->path, "Synchronize cache failed\n"); 811 else 812 softc->flags &= ~ADA_FLAG_DIRTY; 813 xpt_release_ccb(ccb); 814 cam_periph_unhold(periph); 815 } 816 817 softc->flags &= ~ADA_FLAG_OPEN; 818 819 while (softc->refcount != 0) 820 cam_periph_sleep(periph, &softc->refcount, PRIBIO, "adaclose", 1); 821 cam_periph_unlock(periph); 822 cam_periph_release(periph); 823 return (0); 824} 825 826static void 827adaschedule(struct cam_periph *periph) 828{ 829 struct ada_softc *softc = (struct ada_softc *)periph->softc; 830 831 if (softc->state != ADA_STATE_NORMAL) 832 return; 833 834 cam_iosched_schedule(softc->cam_iosched, periph); 835} 836 837/* 838 * Actually translate the requested transfer into one the physical driver 839 * can understand. The transfer is described by a buf and will include 840 * only one physical transfer. 841 */ 842static void 843adastrategy(struct bio *bp) 844{ 845 struct cam_periph *periph; 846 struct ada_softc *softc; 847 848 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 849 softc = (struct ada_softc *)periph->softc; 850 851 cam_periph_lock(periph); 852 853 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp)); 854 855 /* 856 * If the device has been made invalid, error out 857 */ 858 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 859 cam_periph_unlock(periph); 860 biofinish(bp, NULL, ENXIO); 861 return; 862 } 863 864 /* 865 * Place it in the queue of disk activities for this disk 866 */ 867 cam_iosched_queue_work(softc->cam_iosched, bp); 868 869 /* 870 * Schedule ourselves for performing the work. 871 */ 872 adaschedule(periph); 873 cam_periph_unlock(periph); 874 875 return; 876} 877 878static int 879adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 880{ 881 struct cam_periph *periph; 882 struct ada_softc *softc; 883 u_int secsize; 884 union ccb ccb; 885 struct disk *dp; 886 uint64_t lba; 887 uint16_t count; 888 int error = 0; 889 890 dp = arg; 891 periph = dp->d_drv1; 892 softc = (struct ada_softc *)periph->softc; 893 cam_periph_lock(periph); 894 secsize = softc->params.secsize; 895 lba = offset / secsize; 896 count = length / secsize; 897 898 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 899 cam_periph_unlock(periph); 900 return (ENXIO); 901 } 902 903 if (length > 0) { 904 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 905 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 906 cam_fill_ataio(&ccb.ataio, 907 0, 908 adadone, 909 CAM_DIR_OUT, 910 0, 911 (u_int8_t *) virtual, 912 length, 913 ada_default_timeout*1000); 914 if ((softc->flags & ADA_FLAG_CAN_48BIT) && 915 (lba + count >= ATA_MAX_28BIT_LBA || 916 count >= 256)) { 917 ata_48bit_cmd(&ccb.ataio, ATA_WRITE_DMA48, 918 0, lba, count); 919 } else { 920 ata_28bit_cmd(&ccb.ataio, ATA_WRITE_DMA, 921 0, lba, count); 922 } 923 xpt_polled_action(&ccb); 924 925 error = cam_periph_error(&ccb, 926 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 927 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 928 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 929 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 930 if (error != 0) 931 printf("Aborting dump due to I/O error.\n"); 932 933 cam_periph_unlock(periph); 934 return (error); 935 } 936 937 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { 938 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 939 940 /* 941 * Tell the drive to flush its internal cache. if we 942 * can't flush in 5s we have big problems. No need to 943 * wait the default 60s to detect problems. 944 */ 945 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 946 cam_fill_ataio(&ccb.ataio, 947 0, 948 adadone, 949 CAM_DIR_NONE, 950 0, 951 NULL, 952 0, 953 5*1000); 954 955 if (softc->flags & ADA_FLAG_CAN_48BIT) 956 ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); 957 else 958 ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); 959 xpt_polled_action(&ccb); 960 961 error = cam_periph_error(&ccb, 962 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 963 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 964 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 965 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 966 if (error != 0) 967 xpt_print(periph->path, "Synchronize cache failed\n"); 968 } 969 cam_periph_unlock(periph); 970 return (error); 971} 972 973static void 974adainit(void) 975{ 976 cam_status status; 977 978 /* 979 * Install a global async callback. This callback will 980 * receive async callbacks like "new device found". 981 */ 982 status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL); 983 984 if (status != CAM_REQ_CMP) { 985 printf("ada: Failed to attach master async callback " 986 "due to status 0x%x!\n", status); 987 } else if (ada_send_ordered) { 988 989 /* Register our event handlers */ 990 if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend, 991 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 992 printf("adainit: power event registration failed!\n"); 993 if ((EVENTHANDLER_REGISTER(power_resume, adaresume, 994 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 995 printf("adainit: power event registration failed!\n"); 996 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown, 997 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 998 printf("adainit: shutdown event registration failed!\n"); 999 } 1000} 1001 1002/* 1003 * Callback from GEOM, called when it has finished cleaning up its 1004 * resources. 1005 */ 1006static void 1007adadiskgonecb(struct disk *dp) 1008{ 1009 struct cam_periph *periph; 1010 1011 periph = (struct cam_periph *)dp->d_drv1; 1012 1013 cam_periph_release(periph); 1014} 1015 1016static void 1017adaoninvalidate(struct cam_periph *periph) 1018{ 1019 struct ada_softc *softc; 1020 1021 softc = (struct ada_softc *)periph->softc; 1022 1023 /* 1024 * De-register any async callbacks. 1025 */ 1026 xpt_register_async(0, adaasync, periph, periph->path); 1027#ifdef CAM_IO_STATS 1028 softc->invalidations++; 1029#endif 1030 1031 /* 1032 * Return all queued I/O with ENXIO. 1033 * XXX Handle any transactions queued to the card 1034 * with XPT_ABORT_CCB. 1035 */ 1036 cam_iosched_flush(softc->cam_iosched, NULL, ENXIO); 1037 1038 disk_gone(softc->disk); 1039} 1040 1041static void 1042adacleanup(struct cam_periph *periph) 1043{ 1044 struct ada_softc *softc; 1045 1046 softc = (struct ada_softc *)periph->softc; 1047 1048 cam_periph_unlock(periph); 1049 1050 cam_iosched_fini(softc->cam_iosched); 1051 1052 /* 1053 * If we can't free the sysctl tree, oh well... 1054 */ 1055 if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0) { 1056#ifdef CAM_IO_STATS 1057 if (sysctl_ctx_free(&softc->sysctl_stats_ctx) != 0) 1058 xpt_print(periph->path, 1059 "can't remove sysctl stats context\n"); 1060#endif 1061 if (sysctl_ctx_free(&softc->sysctl_ctx) != 0) 1062 xpt_print(periph->path, 1063 "can't remove sysctl context\n"); 1064 } 1065 1066 disk_destroy(softc->disk); 1067 callout_drain(&softc->sendordered_c); 1068 free(softc, M_DEVBUF); 1069 cam_periph_lock(periph); 1070} 1071 1072static void 1073adasetdeletemethod(struct ada_softc *softc) 1074{ 1075 1076 if (softc->flags & ADA_FLAG_CAN_NCQ_TRIM) 1077 softc->delete_method = ADA_DELETE_NCQ_DSM_TRIM; 1078 else if (softc->flags & ADA_FLAG_CAN_TRIM) 1079 softc->delete_method = ADA_DELETE_DSM_TRIM; 1080 else if ((softc->flags & ADA_FLAG_CAN_CFA) && !(softc->flags & ADA_FLAG_CAN_48BIT)) 1081 softc->delete_method = ADA_DELETE_CFA_ERASE; 1082 else 1083 softc->delete_method = ADA_DELETE_NONE; 1084} 1085 1086static void 1087adaasync(void *callback_arg, u_int32_t code, 1088 struct cam_path *path, void *arg) 1089{ 1090 struct ccb_getdev cgd; 1091 struct cam_periph *periph; 1092 struct ada_softc *softc; 1093 1094 periph = (struct cam_periph *)callback_arg; 1095 switch (code) { 1096 case AC_FOUND_DEVICE: 1097 { 1098 struct ccb_getdev *cgd; 1099 cam_status status; 1100 1101 cgd = (struct ccb_getdev *)arg; 1102 if (cgd == NULL) 1103 break; 1104 1105 if (cgd->protocol != PROTO_ATA) 1106 break; 1107 1108 /* 1109 * Allocate a peripheral instance for 1110 * this device and start the probe 1111 * process. 1112 */ 1113 status = cam_periph_alloc(adaregister, adaoninvalidate, 1114 adacleanup, adastart, 1115 "ada", CAM_PERIPH_BIO, 1116 path, adaasync, 1117 AC_FOUND_DEVICE, cgd); 1118 1119 if (status != CAM_REQ_CMP 1120 && status != CAM_REQ_INPROG) 1121 printf("adaasync: Unable to attach to new device " 1122 "due to status 0x%x\n", status); 1123 break; 1124 } 1125 case AC_GETDEV_CHANGED: 1126 { 1127 softc = (struct ada_softc *)periph->softc; 1128 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1129 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1130 xpt_action((union ccb *)&cgd); 1131 1132 if ((cgd.ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1133 (cgd.inq_flags & SID_DMA)) 1134 softc->flags |= ADA_FLAG_CAN_DMA; 1135 else 1136 softc->flags &= ~ADA_FLAG_CAN_DMA; 1137 if (cgd.ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1138 softc->flags |= ADA_FLAG_CAN_48BIT; 1139 if (cgd.inq_flags & SID_DMA48) 1140 softc->flags |= ADA_FLAG_CAN_DMA48; 1141 else 1142 softc->flags &= ~ADA_FLAG_CAN_DMA48; 1143 } else 1144 softc->flags &= ~(ADA_FLAG_CAN_48BIT | 1145 ADA_FLAG_CAN_DMA48); 1146 if ((cgd.ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1147 (cgd.inq_flags & SID_DMA) && (cgd.inq_flags & SID_CmdQue)) 1148 softc->flags |= ADA_FLAG_CAN_NCQ; 1149 else 1150 softc->flags &= ~ADA_FLAG_CAN_NCQ; 1151 1152 if ((cgd.ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1153 (cgd.inq_flags & SID_DMA)) { 1154 softc->flags |= ADA_FLAG_CAN_TRIM; 1155 /* 1156 * If we can do RCVSND_FPDMA_QUEUED commands, we may be able to do 1157 * NCQ trims, if we support trims at all. We also need support from 1158 * the sim do do things properly. Perhaps we should look at log 13 1159 * dword 0 bit 0 and dword 1 bit 0 are set too... 1160 */ 1161 if ((softc->quirks & ADA_Q_NCQ_TRIM_BROKEN) == 0 && 1162 (softc->flags & ADA_FLAG_PIM_CAN_NCQ_TRIM) != 0 && 1163 (cgd.ident_data.satacapabilities2 & ATA_SUPPORT_RCVSND_FPDMA_QUEUED) != 0 && 1164 (softc->flags & ADA_FLAG_CAN_TRIM) != 0) 1165 softc->flags |= ADA_FLAG_CAN_NCQ_TRIM; 1166 else 1167 softc->flags &= ~ADA_FLAG_CAN_NCQ_TRIM; 1168 } else 1169 softc->flags &= ~(ADA_FLAG_CAN_TRIM | ADA_FLAG_CAN_NCQ_TRIM); 1170 adasetdeletemethod(softc); 1171 1172 cam_periph_async(periph, code, path, arg); 1173 break; 1174 } 1175 case AC_ADVINFO_CHANGED: 1176 { 1177 uintptr_t buftype; 1178 1179 buftype = (uintptr_t)arg; 1180 if (buftype == CDAI_TYPE_PHYS_PATH) { 1181 struct ada_softc *softc; 1182 1183 softc = periph->softc; 1184 disk_attr_changed(softc->disk, "GEOM::physpath", 1185 M_NOWAIT); 1186 } 1187 break; 1188 } 1189 case AC_SENT_BDR: 1190 case AC_BUS_RESET: 1191 { 1192 softc = (struct ada_softc *)periph->softc; 1193 cam_periph_async(periph, code, path, arg); 1194 if (softc->state != ADA_STATE_NORMAL) 1195 break; 1196 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1197 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1198 xpt_action((union ccb *)&cgd); 1199 if (ADA_RA >= 0 && 1200 cgd.ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) 1201 softc->state = ADA_STATE_RAHEAD; 1202 else if (ADA_WC >= 0 && 1203 cgd.ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) 1204 softc->state = ADA_STATE_WCACHE; 1205 else 1206 break; 1207 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1208 softc->state = ADA_STATE_NORMAL; 1209 else 1210 xpt_schedule(periph, CAM_PRIORITY_DEV); 1211 } 1212 default: 1213 cam_periph_async(periph, code, path, arg); 1214 break; 1215 } 1216} 1217 1218static void 1219adasysctlinit(void *context, int pending) 1220{ 1221 struct cam_periph *periph; 1222 struct ada_softc *softc; 1223 char tmpstr[80], tmpstr2[80]; 1224 1225 periph = (struct cam_periph *)context; 1226 1227 /* periph was held for us when this task was enqueued */ 1228 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1229 cam_periph_release(periph); 1230 return; 1231 } 1232 1233 softc = (struct ada_softc *)periph->softc; 1234 snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d", periph->unit_number); 1235 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1236 1237 sysctl_ctx_init(&softc->sysctl_ctx); 1238 softc->flags |= ADA_FLAG_SCTX_INIT; 1239 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1240 SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2, 1241 CTLFLAG_RD, 0, tmpstr); 1242 if (softc->sysctl_tree == NULL) { 1243 printf("adasysctlinit: unable to allocate sysctl tree\n"); 1244 cam_periph_release(periph); 1245 return; 1246 } 1247 1248 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1249 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RW, 1250 softc, 0, adadeletemethodsysctl, "A", 1251 "BIO_DELETE execution method"); 1252 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1253 OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE, 1254 &softc->read_ahead, 0, "Enable disk read ahead."); 1255 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1256 OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE, 1257 &softc->write_cache, 0, "Enable disk write cache."); 1258 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1259 OID_AUTO, "unmapped_io", CTLFLAG_RD | CTLFLAG_MPSAFE, 1260 &softc->unmappedio, 0, "Unmapped I/O leaf"); 1261 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1262 OID_AUTO, "rotating", CTLFLAG_RD | CTLFLAG_MPSAFE, 1263 &softc->rotating, 0, "Rotating media"); 1264#ifdef ADA_TEST_FAILURE 1265 /* 1266 * Add a 'door bell' sysctl which allows one to set it from userland 1267 * and cause something bad to happen. For the moment, we only allow 1268 * whacking the next read or write. 1269 */ 1270 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1271 OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1272 &softc->force_read_error, 0, 1273 "Force a read error for the next N reads."); 1274 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1275 OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1276 &softc->force_write_error, 0, 1277 "Force a write error for the next N writes."); 1278 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1279 OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1280 &softc->periodic_read_error, 0, 1281 "Force a read error every N reads (don't set too low)."); 1282#endif 1283 1284#ifdef CAM_IO_STATS 1285 softc->sysctl_stats_tree = SYSCTL_ADD_NODE(&softc->sysctl_stats_ctx, 1286 SYSCTL_CHILDREN(softc->sysctl_tree), OID_AUTO, "stats", 1287 CTLFLAG_RD, 0, "Statistics"); 1288 SYSCTL_ADD_INT(&softc->sysctl_stats_ctx, 1289 SYSCTL_CHILDREN(softc->sysctl_stats_tree), 1290 OID_AUTO, "timeouts", CTLFLAG_RD | CTLFLAG_MPSAFE, 1291 &softc->timeouts, 0, 1292 "Device timeouts reported by the SIM"); 1293 SYSCTL_ADD_INT(&softc->sysctl_stats_ctx, 1294 SYSCTL_CHILDREN(softc->sysctl_stats_tree), 1295 OID_AUTO, "errors", CTLFLAG_RD | CTLFLAG_MPSAFE, 1296 &softc->errors, 0, 1297 "Transport errors reported by the SIM."); 1298 SYSCTL_ADD_INT(&softc->sysctl_stats_ctx, 1299 SYSCTL_CHILDREN(softc->sysctl_stats_tree), 1300 OID_AUTO, "pack_invalidations", CTLFLAG_RD | CTLFLAG_MPSAFE, 1301 &softc->invalidations, 0, 1302 "Device pack invalidations."); 1303#endif 1304 1305 cam_iosched_sysctl_init(softc->cam_iosched, &softc->sysctl_ctx, 1306 softc->sysctl_tree); 1307 1308 cam_periph_release(periph); 1309} 1310 1311static int 1312adagetattr(struct bio *bp) 1313{ 1314 int ret; 1315 struct cam_periph *periph; 1316 1317 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1318 cam_periph_lock(periph); 1319 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1320 periph->path); 1321 cam_periph_unlock(periph); 1322 if (ret == 0) 1323 bp->bio_completed = bp->bio_length; 1324 return ret; 1325} 1326 1327static int 1328adadeletemethodsysctl(SYSCTL_HANDLER_ARGS) 1329{ 1330 char buf[16]; 1331 const char *p; 1332 struct ada_softc *softc; 1333 int i, error, value, methods; 1334 1335 softc = (struct ada_softc *)arg1; 1336 1337 value = softc->delete_method; 1338 if (value < 0 || value > ADA_DELETE_MAX) 1339 p = "UNKNOWN"; 1340 else 1341 p = ada_delete_method_names[value]; 1342 strncpy(buf, p, sizeof(buf)); 1343 error = sysctl_handle_string(oidp, buf, sizeof(buf), req); 1344 if (error != 0 || req->newptr == NULL) 1345 return (error); 1346 methods = 1 << ADA_DELETE_DISABLE; 1347 if ((softc->flags & ADA_FLAG_CAN_CFA) && 1348 !(softc->flags & ADA_FLAG_CAN_48BIT)) 1349 methods |= 1 << ADA_DELETE_CFA_ERASE; 1350 if (softc->flags & ADA_FLAG_CAN_TRIM) 1351 methods |= 1 << ADA_DELETE_DSM_TRIM; 1352 if (softc->flags & ADA_FLAG_CAN_NCQ_TRIM) 1353 methods |= 1 << ADA_DELETE_NCQ_DSM_TRIM; 1354 for (i = 0; i <= ADA_DELETE_MAX; i++) { 1355 if (!(methods & (1 << i)) || 1356 strcmp(buf, ada_delete_method_names[i]) != 0) 1357 continue; 1358 softc->delete_method = i; 1359 return (0); 1360 } 1361 return (EINVAL); 1362} 1363 1364static cam_status 1365adaregister(struct cam_periph *periph, void *arg) 1366{ 1367 struct ada_softc *softc; 1368 struct ccb_pathinq cpi; 1369 struct ccb_getdev *cgd; 1370 char announce_buf[80]; 1371 struct disk_params *dp; 1372 caddr_t match; 1373 u_int maxio; 1374 int quirks; 1375 1376 cgd = (struct ccb_getdev *)arg; 1377 if (cgd == NULL) { 1378 printf("adaregister: no getdev CCB, can't register device\n"); 1379 return(CAM_REQ_CMP_ERR); 1380 } 1381 1382 softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF, 1383 M_NOWAIT|M_ZERO); 1384 1385 if (softc == NULL) { 1386 printf("adaregister: Unable to probe new device. " 1387 "Unable to allocate softc\n"); 1388 return(CAM_REQ_CMP_ERR); 1389 } 1390 1391 if (cam_iosched_init(&softc->cam_iosched, periph) != 0) { 1392 printf("adaregister: Unable to probe new device. " 1393 "Unable to allocate iosched memory\n"); 1394 return(CAM_REQ_CMP_ERR); 1395 } 1396 1397 if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1398 (cgd->inq_flags & SID_DMA)) 1399 softc->flags |= ADA_FLAG_CAN_DMA; 1400 if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1401 softc->flags |= ADA_FLAG_CAN_48BIT; 1402 if (cgd->inq_flags & SID_DMA48) 1403 softc->flags |= ADA_FLAG_CAN_DMA48; 1404 } 1405 if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE) 1406 softc->flags |= ADA_FLAG_CAN_FLUSHCACHE; 1407 if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT) 1408 softc->flags |= ADA_FLAG_CAN_POWERMGT; 1409 if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1410 (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue)) 1411 softc->flags |= ADA_FLAG_CAN_NCQ; 1412 if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1413 (cgd->inq_flags & SID_DMA)) { 1414 softc->flags |= ADA_FLAG_CAN_TRIM; 1415 softc->trim_max_ranges = TRIM_MAX_RANGES; 1416 if (cgd->ident_data.max_dsm_blocks != 0) { 1417 softc->trim_max_ranges = 1418 min(cgd->ident_data.max_dsm_blocks * 1419 ATA_DSM_BLK_RANGES, softc->trim_max_ranges); 1420 } 1421 } 1422 if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA) 1423 softc->flags |= ADA_FLAG_CAN_CFA; 1424 1425 adasetdeletemethod(softc); 1426 1427 periph->softc = softc; 1428 1429 /* 1430 * See if this device has any quirks. 1431 */ 1432 match = cam_quirkmatch((caddr_t)&cgd->ident_data, 1433 (caddr_t)ada_quirk_table, 1434 nitems(ada_quirk_table), 1435 sizeof(*ada_quirk_table), ata_identify_match); 1436 if (match != NULL) 1437 softc->quirks = ((struct ada_quirk_entry *)match)->quirks; 1438 else 1439 softc->quirks = ADA_Q_NONE; 1440 1441 bzero(&cpi, sizeof(cpi)); 1442 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 1443 cpi.ccb_h.func_code = XPT_PATH_INQ; 1444 xpt_action((union ccb *)&cpi); 1445 1446 TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph); 1447 1448 /* 1449 * Register this media as a disk 1450 */ 1451 (void)cam_periph_hold(periph, PRIBIO); 1452 cam_periph_unlock(periph); 1453 snprintf(announce_buf, sizeof(announce_buf), 1454 "kern.cam.ada.%d.quirks", periph->unit_number); 1455 quirks = softc->quirks; 1456 TUNABLE_INT_FETCH(announce_buf, &quirks); 1457 softc->quirks = quirks; 1458 softc->read_ahead = -1; 1459 snprintf(announce_buf, sizeof(announce_buf), 1460 "kern.cam.ada.%d.read_ahead", periph->unit_number); 1461 TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead); 1462 softc->write_cache = -1; 1463 snprintf(announce_buf, sizeof(announce_buf), 1464 "kern.cam.ada.%d.write_cache", periph->unit_number); 1465 TUNABLE_INT_FETCH(announce_buf, &softc->write_cache); 1466 /* Disable queue sorting for non-rotational media by default. */ 1467 if (cgd->ident_data.media_rotation_rate == ATA_RATE_NON_ROTATING) { 1468 softc->rotating = 0; 1469 } else { 1470 softc->rotating = 1; 1471 } 1472 cam_iosched_set_sort_queue(softc->cam_iosched, softc->rotating ? -1 : 0); 1473 adagetparams(periph, cgd); 1474 softc->disk = disk_alloc(); 1475 softc->disk->d_rotation_rate = cgd->ident_data.media_rotation_rate; 1476 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1477 periph->unit_number, softc->params.secsize, 1478 DEVSTAT_ALL_SUPPORTED, 1479 DEVSTAT_TYPE_DIRECT | 1480 XPORT_DEVSTAT_TYPE(cpi.transport), 1481 DEVSTAT_PRIORITY_DISK); 1482 softc->disk->d_open = adaopen; 1483 softc->disk->d_close = adaclose; 1484 softc->disk->d_strategy = adastrategy; 1485 softc->disk->d_getattr = adagetattr; 1486 softc->disk->d_dump = adadump; 1487 softc->disk->d_gone = adadiskgonecb; 1488 softc->disk->d_name = "ada"; 1489 softc->disk->d_drv1 = periph; 1490 maxio = cpi.maxio; /* Honor max I/O size of SIM */ 1491 if (maxio == 0) 1492 maxio = DFLTPHYS; /* traditional default */ 1493 else if (maxio > MAXPHYS) 1494 maxio = MAXPHYS; /* for safety */ 1495 if (softc->flags & ADA_FLAG_CAN_48BIT) 1496 maxio = min(maxio, 65536 * softc->params.secsize); 1497 else /* 28bit ATA command limit */ 1498 maxio = min(maxio, 256 * softc->params.secsize); 1499 softc->disk->d_maxsize = maxio; 1500 softc->disk->d_unit = periph->unit_number; 1501 softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION; 1502 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) 1503 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1504 if (softc->flags & ADA_FLAG_CAN_TRIM) { 1505 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1506 softc->disk->d_delmaxsize = softc->params.secsize * 1507 ATA_DSM_RANGE_MAX * 1508 softc->trim_max_ranges; 1509 } else if ((softc->flags & ADA_FLAG_CAN_CFA) && 1510 !(softc->flags & ADA_FLAG_CAN_48BIT)) { 1511 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1512 softc->disk->d_delmaxsize = 256 * softc->params.secsize; 1513 } else 1514 softc->disk->d_delmaxsize = maxio; 1515 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) { 1516 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 1517 softc->unmappedio = 1; 1518 } 1519 /* 1520 * If we can do RCVSND_FPDMA_QUEUED commands, we may be able to do 1521 * NCQ trims, if we support trims at all. We also need support from 1522 * the sim do do things properly. Perhaps we should look at log 13 1523 * dword 0 bit 0 and dword 1 bit 0 are set too... 1524 */ 1525 if (cpi.hba_misc & PIM_ATA_EXT) 1526 softc->flags |= ADA_FLAG_PIM_CAN_NCQ_TRIM; 1527 if ((softc->quirks & ADA_Q_NCQ_TRIM_BROKEN) == 0 && 1528 (softc->flags & ADA_FLAG_PIM_CAN_NCQ_TRIM) != 0 && 1529 (cgd->ident_data.satacapabilities2 & ATA_SUPPORT_RCVSND_FPDMA_QUEUED) != 0 && 1530 (softc->flags & ADA_FLAG_CAN_TRIM) != 0) 1531 softc->flags |= ADA_FLAG_CAN_NCQ_TRIM; 1532 strlcpy(softc->disk->d_descr, cgd->ident_data.model, 1533 MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model))); 1534 strlcpy(softc->disk->d_ident, cgd->ident_data.serial, 1535 MIN(sizeof(softc->disk->d_ident), sizeof(cgd->ident_data.serial))); 1536 softc->disk->d_hba_vendor = cpi.hba_vendor; 1537 softc->disk->d_hba_device = cpi.hba_device; 1538 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1539 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1540 1541 softc->disk->d_sectorsize = softc->params.secsize; 1542 softc->disk->d_mediasize = (off_t)softc->params.sectors * 1543 softc->params.secsize; 1544 if (ata_physical_sector_size(&cgd->ident_data) != 1545 softc->params.secsize) { 1546 softc->disk->d_stripesize = 1547 ata_physical_sector_size(&cgd->ident_data); 1548 softc->disk->d_stripeoffset = (softc->disk->d_stripesize - 1549 ata_logical_sector_offset(&cgd->ident_data)) % 1550 softc->disk->d_stripesize; 1551 } else if (softc->quirks & ADA_Q_4K) { 1552 softc->disk->d_stripesize = 4096; 1553 softc->disk->d_stripeoffset = 0; 1554 } 1555 softc->disk->d_fwsectors = softc->params.secs_per_track; 1556 softc->disk->d_fwheads = softc->params.heads; 1557 ata_disk_firmware_geom_adjust(softc->disk); 1558 adasetdeletemethod(softc); 1559 1560 /* 1561 * Acquire a reference to the periph before we register with GEOM. 1562 * We'll release this reference once GEOM calls us back (via 1563 * adadiskgonecb()) telling us that our provider has been freed. 1564 */ 1565 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1566 xpt_print(periph->path, "%s: lost periph during " 1567 "registration!\n", __func__); 1568 cam_periph_lock(periph); 1569 return (CAM_REQ_CMP_ERR); 1570 } 1571 disk_create(softc->disk, DISK_VERSION); 1572 cam_periph_lock(periph); 1573 cam_periph_unhold(periph); 1574 1575 dp = &softc->params; 1576 snprintf(announce_buf, sizeof(announce_buf), 1577 "%juMB (%ju %u byte sectors)", 1578 ((uintmax_t)dp->secsize * dp->sectors) / (1024 * 1024), 1579 (uintmax_t)dp->sectors, dp->secsize); 1580 xpt_announce_periph(periph, announce_buf); 1581 xpt_announce_quirks(periph, softc->quirks, ADA_Q_BIT_STRING); 1582 1583 /* 1584 * Create our sysctl variables, now that we know 1585 * we have successfully attached. 1586 */ 1587 if (cam_periph_acquire(periph) == CAM_REQ_CMP) 1588 taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task); 1589 1590 /* 1591 * Add async callbacks for bus reset and 1592 * bus device reset calls. I don't bother 1593 * checking if this fails as, in most cases, 1594 * the system will function just fine without 1595 * them and the only alternative would be to 1596 * not attach the device on failure. 1597 */ 1598 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 1599 AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED, 1600 adaasync, periph, periph->path); 1601 1602 /* 1603 * Schedule a periodic event to occasionally send an 1604 * ordered tag to a device. 1605 */ 1606 callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0); 1607 callout_reset(&softc->sendordered_c, 1608 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1609 adasendorderedtag, softc); 1610 1611 if (ADA_RA >= 0 && 1612 cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) { 1613 softc->state = ADA_STATE_RAHEAD; 1614 } else if (ADA_WC >= 0 && 1615 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1616 softc->state = ADA_STATE_WCACHE; 1617 } else { 1618 softc->state = ADA_STATE_NORMAL; 1619 return(CAM_REQ_CMP); 1620 } 1621 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1622 softc->state = ADA_STATE_NORMAL; 1623 else 1624 xpt_schedule(periph, CAM_PRIORITY_DEV); 1625 return(CAM_REQ_CMP); 1626} 1627 1628static int 1629ada_dsmtrim_req_create(struct ada_softc *softc, struct bio *bp, struct trim_request *req) 1630{ 1631 uint64_t lastlba = (uint64_t)-1; 1632 int c, lastcount = 0, off, ranges = 0; 1633 1634 bzero(req, sizeof(*req)); 1635 TAILQ_INIT(&req->bps); 1636 do { 1637 uint64_t lba = bp->bio_pblkno; 1638 int count = bp->bio_bcount / softc->params.secsize; 1639 1640 /* Try to extend the previous range. */ 1641 if (lba == lastlba) { 1642 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 1643 lastcount += c; 1644 off = (ranges - 1) * ATA_DSM_RANGE_SIZE; 1645 req->data[off + 6] = lastcount & 0xff; 1646 req->data[off + 7] = 1647 (lastcount >> 8) & 0xff; 1648 count -= c; 1649 lba += c; 1650 } 1651 1652 while (count > 0) { 1653 c = min(count, ATA_DSM_RANGE_MAX); 1654 off = ranges * ATA_DSM_RANGE_SIZE; 1655 req->data[off + 0] = lba & 0xff; 1656 req->data[off + 1] = (lba >> 8) & 0xff; 1657 req->data[off + 2] = (lba >> 16) & 0xff; 1658 req->data[off + 3] = (lba >> 24) & 0xff; 1659 req->data[off + 4] = (lba >> 32) & 0xff; 1660 req->data[off + 5] = (lba >> 40) & 0xff; 1661 req->data[off + 6] = c & 0xff; 1662 req->data[off + 7] = (c >> 8) & 0xff; 1663 lba += c; 1664 count -= c; 1665 lastcount = c; 1666 ranges++; 1667 /* 1668 * Its the caller's responsibility to ensure the 1669 * request will fit so we don't need to check for 1670 * overrun here 1671 */ 1672 } 1673 lastlba = lba; 1674 TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue); 1675 1676 bp = cam_iosched_next_trim(softc->cam_iosched); 1677 if (bp == NULL) 1678 break; 1679 if (bp->bio_bcount / softc->params.secsize > 1680 (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) { 1681 cam_iosched_put_back_trim(softc->cam_iosched, bp); 1682 break; 1683 } 1684 } while (1); 1685 1686 return (ranges); 1687} 1688 1689static void 1690ada_dsmtrim(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio) 1691{ 1692 struct trim_request *req = &softc->trim_req; 1693 int ranges; 1694 1695 ranges = ada_dsmtrim_req_create(softc, bp, req); 1696 cam_fill_ataio(ataio, 1697 ada_retry_count, 1698 adadone, 1699 CAM_DIR_OUT, 1700 0, 1701 req->data, 1702 howmany(ranges, ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE, 1703 ada_default_timeout * 1000); 1704 ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT, 1705 ATA_DSM_TRIM, 0, howmany(ranges, ATA_DSM_BLK_RANGES)); 1706} 1707 1708static void 1709ada_ncq_dsmtrim(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio) 1710{ 1711 struct trim_request *req = &softc->trim_req; 1712 int ranges; 1713 1714 ranges = ada_dsmtrim_req_create(softc, bp, req); 1715 cam_fill_ataio(ataio, 1716 ada_retry_count, 1717 adadone, 1718 CAM_DIR_OUT, 1719 0, 1720 req->data, 1721 howmany(ranges, ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE, 1722 ada_default_timeout * 1000); 1723 ata_ncq_cmd(ataio, 1724 ATA_SEND_FPDMA_QUEUED, 1725 0, 1726 howmany(ranges, ATA_DSM_BLK_RANGES)); 1727 ataio->cmd.sector_count_exp = ATA_SFPDMA_DSM; 1728 ataio->ata_flags |= ATA_FLAG_AUX; 1729 ataio->aux = 1; 1730} 1731 1732static void 1733ada_cfaerase(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio) 1734{ 1735 struct trim_request *req = &softc->trim_req; 1736 uint64_t lba = bp->bio_pblkno; 1737 uint16_t count = bp->bio_bcount / softc->params.secsize; 1738 1739 bzero(req, sizeof(*req)); 1740 TAILQ_INIT(&req->bps); 1741 TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue); 1742 1743 cam_fill_ataio(ataio, 1744 ada_retry_count, 1745 adadone, 1746 CAM_DIR_NONE, 1747 0, 1748 NULL, 1749 0, 1750 ada_default_timeout*1000); 1751 1752 if (count >= 256) 1753 count = 0; 1754 ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count); 1755} 1756 1757static void 1758adastart(struct cam_periph *periph, union ccb *start_ccb) 1759{ 1760 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1761 struct ccb_ataio *ataio = &start_ccb->ataio; 1762 1763 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n")); 1764 1765 switch (softc->state) { 1766 case ADA_STATE_NORMAL: 1767 { 1768 struct bio *bp; 1769 u_int8_t tag_code; 1770 1771 bp = cam_iosched_next_bio(softc->cam_iosched); 1772 if (bp == NULL) { 1773 xpt_release_ccb(start_ccb); 1774 break; 1775 } 1776 1777 if ((bp->bio_flags & BIO_ORDERED) != 0 || 1778 (bp->bio_cmd != BIO_DELETE && (softc->flags & ADA_FLAG_NEED_OTAG) != 0)) { 1779 softc->flags &= ~ADA_FLAG_NEED_OTAG; 1780 softc->flags |= ADA_FLAG_WAS_OTAG; 1781 tag_code = 0; 1782 } else { 1783 tag_code = 1; 1784 } 1785 switch (bp->bio_cmd) { 1786 case BIO_WRITE: 1787 case BIO_READ: 1788 { 1789 uint64_t lba = bp->bio_pblkno; 1790 uint16_t count = bp->bio_bcount / softc->params.secsize; 1791 void *data_ptr; 1792 int rw_op; 1793 1794 if (bp->bio_cmd == BIO_WRITE) { 1795 softc->flags |= ADA_FLAG_DIRTY; 1796 rw_op = CAM_DIR_OUT; 1797 } else { 1798 rw_op = CAM_DIR_IN; 1799 } 1800 1801 data_ptr = bp->bio_data; 1802 if ((bp->bio_flags & (BIO_UNMAPPED|BIO_VLIST)) != 0) { 1803 rw_op |= CAM_DATA_BIO; 1804 data_ptr = bp; 1805 } 1806 1807#ifdef ADA_TEST_FAILURE 1808 int fail = 0; 1809 1810 /* 1811 * Support the failure ioctls. If the command is a 1812 * read, and there are pending forced read errors, or 1813 * if a write and pending write errors, then fail this 1814 * operation with EIO. This is useful for testing 1815 * purposes. Also, support having every Nth read fail. 1816 * 1817 * This is a rather blunt tool. 1818 */ 1819 if (bp->bio_cmd == BIO_READ) { 1820 if (softc->force_read_error) { 1821 softc->force_read_error--; 1822 fail = 1; 1823 } 1824 if (softc->periodic_read_error > 0) { 1825 if (++softc->periodic_read_count >= 1826 softc->periodic_read_error) { 1827 softc->periodic_read_count = 0; 1828 fail = 1; 1829 } 1830 } 1831 } else { 1832 if (softc->force_write_error) { 1833 softc->force_write_error--; 1834 fail = 1; 1835 } 1836 } 1837 if (fail) { 1838 biofinish(bp, NULL, EIO); 1839 xpt_release_ccb(start_ccb); 1840 adaschedule(periph); 1841 return; 1842 } 1843#endif 1844 KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 || 1845 round_page(bp->bio_bcount + bp->bio_ma_offset) / 1846 PAGE_SIZE == bp->bio_ma_n, 1847 ("Short bio %p", bp)); 1848 cam_fill_ataio(ataio, 1849 ada_retry_count, 1850 adadone, 1851 rw_op, 1852 0, 1853 data_ptr, 1854 bp->bio_bcount, 1855 ada_default_timeout*1000); 1856 1857 if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) { 1858 if (bp->bio_cmd == BIO_READ) { 1859 ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED, 1860 lba, count); 1861 } else { 1862 ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED, 1863 lba, count); 1864 } 1865 } else if ((softc->flags & ADA_FLAG_CAN_48BIT) && 1866 (lba + count >= ATA_MAX_28BIT_LBA || 1867 count > 256)) { 1868 if (softc->flags & ADA_FLAG_CAN_DMA48) { 1869 if (bp->bio_cmd == BIO_READ) { 1870 ata_48bit_cmd(ataio, ATA_READ_DMA48, 1871 0, lba, count); 1872 } else { 1873 ata_48bit_cmd(ataio, ATA_WRITE_DMA48, 1874 0, lba, count); 1875 } 1876 } else { 1877 if (bp->bio_cmd == BIO_READ) { 1878 ata_48bit_cmd(ataio, ATA_READ_MUL48, 1879 0, lba, count); 1880 } else { 1881 ata_48bit_cmd(ataio, ATA_WRITE_MUL48, 1882 0, lba, count); 1883 } 1884 } 1885 } else { 1886 if (count == 256) 1887 count = 0; 1888 if (softc->flags & ADA_FLAG_CAN_DMA) { 1889 if (bp->bio_cmd == BIO_READ) { 1890 ata_28bit_cmd(ataio, ATA_READ_DMA, 1891 0, lba, count); 1892 } else { 1893 ata_28bit_cmd(ataio, ATA_WRITE_DMA, 1894 0, lba, count); 1895 } 1896 } else { 1897 if (bp->bio_cmd == BIO_READ) { 1898 ata_28bit_cmd(ataio, ATA_READ_MUL, 1899 0, lba, count); 1900 } else { 1901 ata_28bit_cmd(ataio, ATA_WRITE_MUL, 1902 0, lba, count); 1903 } 1904 } 1905 } 1906 break; 1907 } 1908 case BIO_DELETE: 1909 switch (softc->delete_method) { 1910 case ADA_DELETE_NCQ_DSM_TRIM: 1911 ada_ncq_dsmtrim(softc, bp, ataio); 1912 break; 1913 case ADA_DELETE_DSM_TRIM: 1914 ada_dsmtrim(softc, bp, ataio); 1915 break; 1916 case ADA_DELETE_CFA_ERASE: 1917 ada_cfaerase(softc, bp, ataio); 1918 break; 1919 default: 1920 biofinish(bp, NULL, EOPNOTSUPP); 1921 xpt_release_ccb(start_ccb); 1922 adaschedule(periph); 1923 return; 1924 } 1925 start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM; 1926 start_ccb->ccb_h.flags |= CAM_UNLOCKED; 1927 cam_iosched_submit_trim(softc->cam_iosched); 1928 goto out; 1929 case BIO_FLUSH: 1930 cam_fill_ataio(ataio, 1931 1, 1932 adadone, 1933 CAM_DIR_NONE, 1934 0, 1935 NULL, 1936 0, 1937 ada_default_timeout*1000); 1938 1939 if (softc->flags & ADA_FLAG_CAN_48BIT) 1940 ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1941 else 1942 ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0); 1943 break; 1944 } 1945 start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO; 1946 start_ccb->ccb_h.flags |= CAM_UNLOCKED; 1947out: 1948 start_ccb->ccb_h.ccb_bp = bp; 1949 softc->outstanding_cmds++; 1950 softc->refcount++; 1951 cam_periph_unlock(periph); 1952 xpt_action(start_ccb); 1953 cam_periph_lock(periph); 1954 softc->refcount--; 1955 1956 /* May have more work to do, so ensure we stay scheduled */ 1957 adaschedule(periph); 1958 break; 1959 } 1960 case ADA_STATE_RAHEAD: 1961 case ADA_STATE_WCACHE: 1962 { 1963 cam_fill_ataio(ataio, 1964 1, 1965 adadone, 1966 CAM_DIR_NONE, 1967 0, 1968 NULL, 1969 0, 1970 ada_default_timeout*1000); 1971 1972 if (softc->state == ADA_STATE_RAHEAD) { 1973 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ? 1974 ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0); 1975 start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD; 1976 } else { 1977 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ? 1978 ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0); 1979 start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE; 1980 } 1981 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1982 xpt_action(start_ccb); 1983 break; 1984 } 1985 } 1986} 1987 1988static void 1989adadone(struct cam_periph *periph, union ccb *done_ccb) 1990{ 1991 struct ada_softc *softc; 1992 struct ccb_ataio *ataio; 1993 struct ccb_getdev *cgd; 1994 struct cam_path *path; 1995 int state; 1996 1997 softc = (struct ada_softc *)periph->softc; 1998 ataio = &done_ccb->ataio; 1999 path = done_ccb->ccb_h.path; 2000 2001 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n")); 2002 2003 state = ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK; 2004 switch (state) { 2005 case ADA_CCB_BUFFER_IO: 2006 case ADA_CCB_TRIM: 2007 { 2008 struct bio *bp; 2009 int error; 2010 2011 cam_periph_lock(periph); 2012 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 2013 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2014 error = adaerror(done_ccb, 0, 0); 2015 if (error == ERESTART) { 2016 /* A retry was scheduled, so just return. */ 2017 cam_periph_unlock(periph); 2018 return; 2019 } 2020 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2021 cam_release_devq(path, 2022 /*relsim_flags*/0, 2023 /*reduction*/0, 2024 /*timeout*/0, 2025 /*getcount_only*/0); 2026 /* 2027 * If we get an error on an NCQ DSM TRIM, fall back 2028 * to a non-NCQ DSM TRIM forever. Please note that if 2029 * CAN_NCQ_TRIM is set, CAN_TRIM is necessarily set too. 2030 * However, for this one trim, we treat it as advisory 2031 * and return success up the stack. 2032 */ 2033 if (state == ADA_CCB_TRIM && 2034 error != 0 && 2035 (softc->flags & ADA_FLAG_CAN_NCQ_TRIM) != 0) { 2036 softc->flags &= ~ADA_FLAG_CAN_NCQ_TRIM; 2037 error = 0; 2038 adasetdeletemethod(softc); 2039 } 2040 } else { 2041 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2042 panic("REQ_CMP with QFRZN"); 2043 error = 0; 2044 } 2045 bp->bio_error = error; 2046 if (error != 0) { 2047 bp->bio_resid = bp->bio_bcount; 2048 bp->bio_flags |= BIO_ERROR; 2049 } else { 2050 if (state == ADA_CCB_TRIM) 2051 bp->bio_resid = 0; 2052 else 2053 bp->bio_resid = ataio->resid; 2054 if (bp->bio_resid > 0) 2055 bp->bio_flags |= BIO_ERROR; 2056 } 2057 softc->outstanding_cmds--; 2058 if (softc->outstanding_cmds == 0) 2059 softc->flags |= ADA_FLAG_WAS_OTAG; 2060 2061 cam_iosched_bio_complete(softc->cam_iosched, bp, done_ccb); 2062 xpt_release_ccb(done_ccb); 2063 if (state == ADA_CCB_TRIM) { 2064 TAILQ_HEAD(, bio) queue; 2065 struct bio *bp1; 2066 2067 TAILQ_INIT(&queue); 2068 TAILQ_CONCAT(&queue, &softc->trim_req.bps, bio_queue); 2069 /* 2070 * Normally, the xpt_release_ccb() above would make sure 2071 * that when we have more work to do, that work would 2072 * get kicked off. However, we specifically keep 2073 * trim_running set to 0 before the call above to allow 2074 * other I/O to progress when many BIO_DELETE requests 2075 * are pushed down. We set trim_running to 0 and call 2076 * daschedule again so that we don't stall if there are 2077 * no other I/Os pending apart from BIO_DELETEs. 2078 */ 2079 cam_iosched_trim_done(softc->cam_iosched); 2080 adaschedule(periph); 2081 cam_periph_unlock(periph); 2082 while ((bp1 = TAILQ_FIRST(&queue)) != NULL) { 2083 TAILQ_REMOVE(&queue, bp1, bio_queue); 2084 bp1->bio_error = error; 2085 if (error != 0) { 2086 bp1->bio_flags |= BIO_ERROR; 2087 bp1->bio_resid = bp1->bio_bcount; 2088 } else 2089 bp1->bio_resid = 0; 2090 biodone(bp1); 2091 } 2092 } else { 2093 adaschedule(periph); 2094 cam_periph_unlock(periph); 2095 biodone(bp); 2096 } 2097 return; 2098 } 2099 case ADA_CCB_RAHEAD: 2100 { 2101 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2102 if (adaerror(done_ccb, 0, 0) == ERESTART) { 2103out: 2104 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 2105 cam_release_devq(path, 0, 0, 0, FALSE); 2106 return; 2107 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 2108 cam_release_devq(path, 2109 /*relsim_flags*/0, 2110 /*reduction*/0, 2111 /*timeout*/0, 2112 /*getcount_only*/0); 2113 } 2114 } 2115 2116 /* 2117 * Since our peripheral may be invalidated by an error 2118 * above or an external event, we must release our CCB 2119 * before releasing the reference on the peripheral. 2120 * The peripheral will only go away once the last reference 2121 * is removed, and we need it around for the CCB release 2122 * operation. 2123 */ 2124 cgd = (struct ccb_getdev *)done_ccb; 2125 xpt_setup_ccb(&cgd->ccb_h, path, CAM_PRIORITY_NORMAL); 2126 cgd->ccb_h.func_code = XPT_GDEV_TYPE; 2127 xpt_action((union ccb *)cgd); 2128 if (ADA_WC >= 0 && 2129 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 2130 softc->state = ADA_STATE_WCACHE; 2131 xpt_release_ccb(done_ccb); 2132 xpt_schedule(periph, CAM_PRIORITY_DEV); 2133 goto out; 2134 } 2135 softc->state = ADA_STATE_NORMAL; 2136 xpt_release_ccb(done_ccb); 2137 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 2138 cam_release_devq(path, 0, 0, 0, FALSE); 2139 adaschedule(periph); 2140 cam_periph_release_locked(periph); 2141 return; 2142 } 2143 case ADA_CCB_WCACHE: 2144 { 2145 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2146 if (adaerror(done_ccb, 0, 0) == ERESTART) { 2147 goto out; 2148 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 2149 cam_release_devq(path, 2150 /*relsim_flags*/0, 2151 /*reduction*/0, 2152 /*timeout*/0, 2153 /*getcount_only*/0); 2154 } 2155 } 2156 2157 softc->state = ADA_STATE_NORMAL; 2158 /* 2159 * Since our peripheral may be invalidated by an error 2160 * above or an external event, we must release our CCB 2161 * before releasing the reference on the peripheral. 2162 * The peripheral will only go away once the last reference 2163 * is removed, and we need it around for the CCB release 2164 * operation. 2165 */ 2166 xpt_release_ccb(done_ccb); 2167 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 2168 cam_release_devq(path, 0, 0, 0, FALSE); 2169 adaschedule(periph); 2170 cam_periph_release_locked(periph); 2171 return; 2172 } 2173 case ADA_CCB_DUMP: 2174 /* No-op. We're polling */ 2175 return; 2176 default: 2177 break; 2178 } 2179 xpt_release_ccb(done_ccb); 2180} 2181 2182static int 2183adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 2184{ 2185#ifdef CAM_IO_STATS 2186 struct ada_softc *softc; 2187 struct cam_periph *periph; 2188 2189 periph = xpt_path_periph(ccb->ccb_h.path); 2190 softc = (struct ada_softc *)periph->softc; 2191 2192 switch (ccb->ccb_h.status & CAM_STATUS_MASK) { 2193 case CAM_CMD_TIMEOUT: 2194 softc->timeouts++; 2195 break; 2196 case CAM_REQ_ABORTED: 2197 case CAM_REQ_CMP_ERR: 2198 case CAM_REQ_TERMIO: 2199 case CAM_UNREC_HBA_ERROR: 2200 case CAM_DATA_RUN_ERR: 2201 case CAM_ATA_STATUS_ERROR: 2202 softc->errors++; 2203 break; 2204 default: 2205 break; 2206 } 2207#endif 2208 2209 return(cam_periph_error(ccb, cam_flags, sense_flags, NULL)); 2210} 2211 2212static void 2213adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd) 2214{ 2215 struct ada_softc *softc = (struct ada_softc *)periph->softc; 2216 struct disk_params *dp = &softc->params; 2217 u_int64_t lbasize48; 2218 u_int32_t lbasize; 2219 2220 dp->secsize = ata_logical_sector_size(&cgd->ident_data); 2221 if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) && 2222 cgd->ident_data.current_heads && cgd->ident_data.current_sectors) { 2223 dp->heads = cgd->ident_data.current_heads; 2224 dp->secs_per_track = cgd->ident_data.current_sectors; 2225 dp->cylinders = cgd->ident_data.cylinders; 2226 dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 | 2227 ((u_int32_t)cgd->ident_data.current_size_2 << 16); 2228 } else { 2229 dp->heads = cgd->ident_data.heads; 2230 dp->secs_per_track = cgd->ident_data.sectors; 2231 dp->cylinders = cgd->ident_data.cylinders; 2232 dp->sectors = cgd->ident_data.cylinders * dp->heads * dp->secs_per_track; 2233 } 2234 lbasize = (u_int32_t)cgd->ident_data.lba_size_1 | 2235 ((u_int32_t)cgd->ident_data.lba_size_2 << 16); 2236 2237 /* use the 28bit LBA size if valid or bigger than the CHS mapping */ 2238 if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize) 2239 dp->sectors = lbasize; 2240 2241 /* use the 48bit LBA size if valid */ 2242 lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) | 2243 ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) | 2244 ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) | 2245 ((u_int64_t)cgd->ident_data.lba_size48_4 << 48); 2246 if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) && 2247 lbasize48 > ATA_MAX_28BIT_LBA) 2248 dp->sectors = lbasize48; 2249} 2250 2251static void 2252adasendorderedtag(void *arg) 2253{ 2254 struct ada_softc *softc = arg; 2255 2256 if (ada_send_ordered) { 2257 if (softc->outstanding_cmds > 0) { 2258 if ((softc->flags & ADA_FLAG_WAS_OTAG) == 0) 2259 softc->flags |= ADA_FLAG_NEED_OTAG; 2260 softc->flags &= ~ADA_FLAG_WAS_OTAG; 2261 } 2262 } 2263 /* Queue us up again */ 2264 callout_reset(&softc->sendordered_c, 2265 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 2266 adasendorderedtag, softc); 2267} 2268 2269/* 2270 * Step through all ADA peripheral drivers, and if the device is still open, 2271 * sync the disk cache to physical media. 2272 */ 2273static void 2274adaflush(void) 2275{ 2276 struct cam_periph *periph; 2277 struct ada_softc *softc; 2278 union ccb *ccb; 2279 int error; 2280 2281 CAM_PERIPH_FOREACH(periph, &adadriver) { 2282 softc = (struct ada_softc *)periph->softc; 2283 if (SCHEDULER_STOPPED()) { 2284 /* If we paniced with the lock held, do not recurse. */ 2285 if (!cam_periph_owned(periph) && 2286 (softc->flags & ADA_FLAG_OPEN)) { 2287 adadump(softc->disk, NULL, 0, 0, 0); 2288 } 2289 continue; 2290 } 2291 cam_periph_lock(periph); 2292 /* 2293 * We only sync the cache if the drive is still open, and 2294 * if the drive is capable of it.. 2295 */ 2296 if (((softc->flags & ADA_FLAG_OPEN) == 0) || 2297 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) { 2298 cam_periph_unlock(periph); 2299 continue; 2300 } 2301 2302 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2303 cam_fill_ataio(&ccb->ataio, 2304 0, 2305 adadone, 2306 CAM_DIR_NONE, 2307 0, 2308 NULL, 2309 0, 2310 ada_default_timeout*1000); 2311 if (softc->flags & ADA_FLAG_CAN_48BIT) 2312 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 2313 else 2314 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 2315 2316 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 2317 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 2318 softc->disk->d_devstat); 2319 if (error != 0) 2320 xpt_print(periph->path, "Synchronize cache failed\n"); 2321 xpt_release_ccb(ccb); 2322 cam_periph_unlock(periph); 2323 } 2324} 2325 2326static void 2327adaspindown(uint8_t cmd, int flags) 2328{ 2329 struct cam_periph *periph; 2330 struct ada_softc *softc; 2331 union ccb *ccb; 2332 int error; 2333 2334 CAM_PERIPH_FOREACH(periph, &adadriver) { 2335 /* If we paniced with lock held - not recurse here. */ 2336 if (cam_periph_owned(periph)) 2337 continue; 2338 cam_periph_lock(periph); 2339 softc = (struct ada_softc *)periph->softc; 2340 /* 2341 * We only spin-down the drive if it is capable of it.. 2342 */ 2343 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2344 cam_periph_unlock(periph); 2345 continue; 2346 } 2347 2348 if (bootverbose) 2349 xpt_print(periph->path, "spin-down\n"); 2350 2351 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2352 cam_fill_ataio(&ccb->ataio, 2353 0, 2354 adadone, 2355 CAM_DIR_NONE | flags, 2356 0, 2357 NULL, 2358 0, 2359 ada_default_timeout*1000); 2360 ata_28bit_cmd(&ccb->ataio, cmd, 0, 0, 0); 2361 2362 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 2363 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 2364 softc->disk->d_devstat); 2365 if (error != 0) 2366 xpt_print(periph->path, "Spin-down disk failed\n"); 2367 xpt_release_ccb(ccb); 2368 cam_periph_unlock(periph); 2369 } 2370} 2371 2372static void 2373adashutdown(void *arg, int howto) 2374{ 2375 2376 adaflush(); 2377 if (ada_spindown_shutdown != 0 && 2378 (howto & (RB_HALT | RB_POWEROFF)) != 0) 2379 adaspindown(ATA_STANDBY_IMMEDIATE, 0); 2380} 2381 2382static void 2383adasuspend(void *arg) 2384{ 2385 2386 adaflush(); 2387 if (ada_spindown_suspend != 0) 2388 adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE); 2389} 2390 2391static void 2392adaresume(void *arg) 2393{ 2394 struct cam_periph *periph; 2395 struct ada_softc *softc; 2396 2397 if (ada_spindown_suspend == 0) 2398 return; 2399 2400 CAM_PERIPH_FOREACH(periph, &adadriver) { 2401 cam_periph_lock(periph); 2402 softc = (struct ada_softc *)periph->softc; 2403 /* 2404 * We only spin-down the drive if it is capable of it.. 2405 */ 2406 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2407 cam_periph_unlock(periph); 2408 continue; 2409 } 2410 2411 if (bootverbose) 2412 xpt_print(periph->path, "resume\n"); 2413 2414 /* 2415 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on 2416 * sleep request. 2417 */ 2418 cam_release_devq(periph->path, 2419 /*relsim_flags*/0, 2420 /*openings*/0, 2421 /*timeout*/0, 2422 /*getcount_only*/0); 2423 2424 cam_periph_unlock(periph); 2425 } 2426} 2427 2428#endif /* _KERNEL */ 2429