1 /*- 2 * Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include "opt_ada.h" 31 32 #include <sys/param.h> 33 34 #ifdef _KERNEL 35 #include <sys/systm.h> 36 #include <sys/kernel.h> 37 #include <sys/bio.h> 38 #include <sys/sysctl.h> 39 #include <sys/taskqueue.h> 40 #include <sys/lock.h> 41 #include <sys/mutex.h> 42 #include <sys/conf.h> 43 #include <sys/devicestat.h> 44 #include <sys/eventhandler.h> 45 #include <sys/malloc.h> 46 #include <sys/cons.h> 47 #include <sys/reboot.h> 48 #include <geom/geom_disk.h> 49 #endif /* _KERNEL */ 50 51 #ifndef _KERNEL 52 #include <stdio.h> 53 #include <string.h> 54 #endif /* _KERNEL */ 55 56 #include <cam/cam.h> 57 #include <cam/cam_ccb.h> 58 #include <cam/cam_periph.h> 59 #include <cam/cam_xpt_periph.h> 60 #include <cam/cam_sim.h> 61 62 #include <cam/ata/ata_all.h> 63 64 #include <machine/md_var.h> /* geometry translation */ 65 66 #ifdef _KERNEL 67 68 #define ATA_MAX_28BIT_LBA 268435455UL 69 70 typedef enum { 71 ADA_STATE_RAHEAD, 72 ADA_STATE_WCACHE, 73 ADA_STATE_NORMAL 74 } ada_state; 75 76 typedef enum { 77 ADA_FLAG_CAN_48BIT = 0x0002, 78 ADA_FLAG_CAN_FLUSHCACHE = 0x0004, 79 ADA_FLAG_CAN_NCQ = 0x0008, 80 ADA_FLAG_CAN_DMA = 0x0010, 81 ADA_FLAG_NEED_OTAG = 0x0020, 82 ADA_FLAG_WENT_IDLE = 0x0040, 83 ADA_FLAG_CAN_TRIM = 0x0080, 84 ADA_FLAG_OPEN = 0x0100, 85 ADA_FLAG_SCTX_INIT = 0x0200, 86 ADA_FLAG_CAN_CFA = 0x0400, 87 ADA_FLAG_CAN_POWERMGT = 0x0800, 88 ADA_FLAG_CAN_DMA48 = 0x1000 89 } ada_flags; 90 91 typedef enum { 92 ADA_Q_NONE = 0x00, 93 ADA_Q_4K = 0x01, 94 } ada_quirks; 95 96 #define ADA_Q_BIT_STRING \ 97 "\020" \ 98 "\0014K" 99 100 typedef enum { 101 ADA_CCB_RAHEAD = 0x01, 102 ADA_CCB_WCACHE = 0x02, 103 ADA_CCB_BUFFER_IO = 0x03, 104 ADA_CCB_WAITING = 0x04, 105 ADA_CCB_DUMP = 0x05, 106 ADA_CCB_TRIM = 0x06, 107 ADA_CCB_TYPE_MASK = 0x0F, 108 } ada_ccb_state; 109 110 /* Offsets into our private area for storing information */ 111 #define ccb_state ppriv_field0 112 #define ccb_bp ppriv_ptr1 113 114 struct disk_params { 115 u_int8_t heads; 116 u_int8_t secs_per_track; 117 u_int32_t cylinders; 118 u_int32_t secsize; /* Number of bytes/logical sector */ 119 u_int64_t sectors; /* Total number sectors */ 120 }; 121 122 #define TRIM_MAX_BLOCKS 8 123 #define TRIM_MAX_RANGES (TRIM_MAX_BLOCKS * ATA_DSM_BLK_RANGES) 124 #define TRIM_MAX_BIOS (TRIM_MAX_RANGES * 4) 125 struct trim_request { 126 uint8_t data[TRIM_MAX_RANGES * ATA_DSM_RANGE_SIZE]; 127 struct bio *bps[TRIM_MAX_BIOS]; 128 }; 129 130 struct ada_softc { 131 struct bio_queue_head bio_queue; 132 struct bio_queue_head trim_queue; 133 ada_state state; 134 ada_flags flags; 135 ada_quirks quirks; 136 int sort_io_queue; 137 int ordered_tag_count; 138 int outstanding_cmds; 139 int trim_max_ranges; 140 int trim_running; 141 int read_ahead; 142 int write_cache; 143 #ifdef ADA_TEST_FAILURE 144 int force_read_error; 145 int force_write_error; 146 int periodic_read_error; 147 int periodic_read_count; 148 #endif 149 struct disk_params params; 150 struct disk *disk; 151 struct task sysctl_task; 152 struct sysctl_ctx_list sysctl_ctx; 153 struct sysctl_oid *sysctl_tree; 154 struct callout sendordered_c; 155 struct trim_request trim_req; 156 }; 157 158 struct ada_quirk_entry { 159 struct scsi_inquiry_pattern inq_pat; 160 ada_quirks quirks; 161 }; 162 163 static struct ada_quirk_entry ada_quirk_table[] = 164 { 165 { 166 /* Hitachi Advanced Format (4k) drives */ 167 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Hitachi H??????????E3*", "*" }, 168 /*quirks*/ADA_Q_4K 169 }, 170 { 171 /* Samsung Advanced Format (4k) drives */ 172 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD155UI*", "*" }, 173 /*quirks*/ADA_Q_4K 174 }, 175 { 176 /* Samsung Advanced Format (4k) drives */ 177 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD204UI*", "*" }, 178 /*quirks*/ADA_Q_4K 179 }, 180 { 181 /* Seagate Barracuda Green Advanced Format (4k) drives */ 182 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DL*", "*" }, 183 /*quirks*/ADA_Q_4K 184 }, 185 { 186 /* Seagate Barracuda Advanced Format (4k) drives */ 187 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???DM*", "*" }, 188 /*quirks*/ADA_Q_4K 189 }, 190 { 191 /* Seagate Barracuda Advanced Format (4k) drives */ 192 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DM*", "*" }, 193 /*quirks*/ADA_Q_4K 194 }, 195 { 196 /* Seagate Momentus Advanced Format (4k) drives */ 197 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500423AS*", "*" }, 198 /*quirks*/ADA_Q_4K 199 }, 200 { 201 /* Seagate Momentus Advanced Format (4k) drives */ 202 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500424AS*", "*" }, 203 /*quirks*/ADA_Q_4K 204 }, 205 { 206 /* Seagate Momentus Advanced Format (4k) drives */ 207 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640423AS*", "*" }, 208 /*quirks*/ADA_Q_4K 209 }, 210 { 211 /* Seagate Momentus Advanced Format (4k) drives */ 212 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640424AS*", "*" }, 213 /*quirks*/ADA_Q_4K 214 }, 215 { 216 /* Seagate Momentus Advanced Format (4k) drives */ 217 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750420AS*", "*" }, 218 /*quirks*/ADA_Q_4K 219 }, 220 { 221 /* Seagate Momentus Advanced Format (4k) drives */ 222 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750422AS*", "*" }, 223 /*quirks*/ADA_Q_4K 224 }, 225 { 226 /* Seagate Momentus Advanced Format (4k) drives */ 227 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750423AS*", "*" }, 228 /*quirks*/ADA_Q_4K 229 }, 230 { 231 /* Seagate Momentus Thin Advanced Format (4k) drives */ 232 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???LT*", "*" }, 233 /*quirks*/ADA_Q_4K 234 }, 235 { 236 /* WDC Caviar Green Advanced Format (4k) drives */ 237 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RS*", "*" }, 238 /*quirks*/ADA_Q_4K 239 }, 240 { 241 /* WDC Caviar Green Advanced Format (4k) drives */ 242 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RX*", "*" }, 243 /*quirks*/ADA_Q_4K 244 }, 245 { 246 /* WDC Caviar Green Advanced Format (4k) drives */ 247 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RS*", "*" }, 248 /*quirks*/ADA_Q_4K 249 }, 250 { 251 /* WDC Caviar Green Advanced Format (4k) drives */ 252 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RX*", "*" }, 253 /*quirks*/ADA_Q_4K 254 }, 255 { 256 /* WDC Scorpio Black Advanced Format (4k) drives */ 257 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PKT*", "*" }, 258 /*quirks*/ADA_Q_4K 259 }, 260 { 261 /* WDC Scorpio Black Advanced Format (4k) drives */ 262 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PKT*", "*" }, 263 /*quirks*/ADA_Q_4K 264 }, 265 { 266 /* WDC Scorpio Blue Advanced Format (4k) drives */ 267 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PVT*", "*" }, 268 /*quirks*/ADA_Q_4K 269 }, 270 { 271 /* WDC Scorpio Blue Advanced Format (4k) drives */ 272 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PVT*", "*" }, 273 /*quirks*/ADA_Q_4K 274 }, 275 { 276 /* 277 * Corsair Force 2 SSDs 278 * 4k optimised & trim only works in 4k requests + 4k aligned 279 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 280 * PR: 169974 281 */ 282 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair CSSD-F*", "*" }, 283 /*quirks*/ADA_Q_4K 284 }, 285 { 286 /* 287 * Corsair Force 3 SSDs 288 * 4k optimised & trim only works in 4k requests + 4k aligned 289 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 290 * PR: 169974 291 */ 292 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force 3*", "*" }, 293 /*quirks*/ADA_Q_4K 294 }, 295 { 296 /* 297 * OCZ Agility 3 SSDs 298 * 4k optimised & trim only works in 4k requests + 4k aligned 299 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 300 * PR: 169974 301 */ 302 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY3*", "*" }, 303 /*quirks*/ADA_Q_4K 304 }, 305 { 306 /* 307 * OCZ Vertex 2 SSDs (inc pro series) 308 * 4k optimised & trim only works in 4k requests + 4k aligned 309 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 310 * PR: 169974 311 */ 312 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ?VERTEX2*", "*" }, 313 /*quirks*/ADA_Q_4K 314 }, 315 { 316 /* 317 * OCZ Vertex 3 SSDs 318 * 4k optimised & trim only works in 4k requests + 4k aligned 319 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 320 * PR: 169974 321 */ 322 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX3*", "*" }, 323 /*quirks*/ADA_Q_4K 324 }, 325 { 326 /* 327 * SuperTalent TeraDrive CT SSDs 328 * 4k optimised & trim only works in 4k requests + 4k aligned 329 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 330 * PR: 169974 331 */ 332 { T_DIRECT, SIP_MEDIA_FIXED, "*", "FTM??CT25H*", "*" }, 333 /*quirks*/ADA_Q_4K 334 }, 335 { 336 /* 337 * Crucial RealSSD C300 SSDs 338 * 4k optimised 339 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 340 * PR: 169974 341 */ 342 { T_DIRECT, SIP_MEDIA_FIXED, "*", "C300-CTFDDAC???MAG*", 343 "*" }, /*quirks*/ADA_Q_4K 344 }, 345 { 346 /* 347 * XceedIOPS SATA SSDs 348 * 4k optimised 349 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 350 * PR: 169974 351 */ 352 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SG9XCS2D*", "*" }, 353 /*quirks*/ADA_Q_4K 354 }, 355 { 356 /* 357 * Intel 320 Series SSDs 358 * 4k optimised & trim only works in 4k requests + 4k aligned 359 */ 360 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2CW*", "*" }, 361 /*quirks*/ADA_Q_4K 362 }, 363 { 364 /* 365 * Intel 330 Series SSDs 366 * 4k optimised & trim only works in 4k requests + 4k aligned 367 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 368 * PR: 169974 369 */ 370 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2ct*", "*" }, 371 /*quirks*/ADA_Q_4K 372 }, 373 { 374 /* 375 * Intel 510 Series SSDs 376 * 4k optimised & trim only works in 4k requests + 4k aligned 377 */ 378 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2MH*", "*" }, 379 /*quirks*/ADA_Q_4K 380 }, 381 { 382 /* 383 * OCZ Deneva R Series SSDs 384 * 4k optimised & trim only works in 4k requests + 4k aligned 385 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 386 * PR: 169974 387 */ 388 { T_DIRECT, SIP_MEDIA_FIXED, "*", "DENRSTE251M45*", "*" }, 389 /*quirks*/ADA_Q_4K 390 }, 391 { 392 /* 393 * Kingston HyperX 3k SSDs 394 * 4k optimised & trim only works in 4k requests + 4k aligned 395 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 396 * PR: 169974 397 */ 398 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SH103S3*", "*" }, 399 /*quirks*/ADA_Q_4K 400 }, 401 { 402 /* Default */ 403 { 404 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 405 /*vendor*/"*", /*product*/"*", /*revision*/"*" 406 }, 407 /*quirks*/0 408 }, 409 }; 410 411 static disk_strategy_t adastrategy; 412 static dumper_t adadump; 413 static periph_init_t adainit; 414 static void adaasync(void *callback_arg, u_int32_t code, 415 struct cam_path *path, void *arg); 416 static void adasysctlinit(void *context, int pending); 417 static periph_ctor_t adaregister; 418 static periph_dtor_t adacleanup; 419 static periph_start_t adastart; 420 static periph_oninv_t adaoninvalidate; 421 static void adadone(struct cam_periph *periph, 422 union ccb *done_ccb); 423 static int adaerror(union ccb *ccb, u_int32_t cam_flags, 424 u_int32_t sense_flags); 425 static void adagetparams(struct cam_periph *periph, 426 struct ccb_getdev *cgd); 427 static timeout_t adasendorderedtag; 428 static void adashutdown(void *arg, int howto); 429 static void adasuspend(void *arg); 430 static void adaresume(void *arg); 431 432 #ifndef ADA_DEFAULT_LEGACY_ALIASES 433 #define ADA_DEFAULT_LEGACY_ALIASES 1 434 #endif 435 436 #ifndef ADA_DEFAULT_TIMEOUT 437 #define ADA_DEFAULT_TIMEOUT 30 /* Timeout in seconds */ 438 #endif 439 440 #ifndef ADA_DEFAULT_RETRY 441 #define ADA_DEFAULT_RETRY 4 442 #endif 443 444 #ifndef ADA_DEFAULT_SEND_ORDERED 445 #define ADA_DEFAULT_SEND_ORDERED 1 446 #endif 447 448 #ifndef ADA_DEFAULT_SPINDOWN_SHUTDOWN 449 #define ADA_DEFAULT_SPINDOWN_SHUTDOWN 1 450 #endif 451 452 #ifndef ADA_DEFAULT_SPINDOWN_SUSPEND 453 #define ADA_DEFAULT_SPINDOWN_SUSPEND 1 454 #endif 455 456 #ifndef ADA_DEFAULT_READ_AHEAD 457 #define ADA_DEFAULT_READ_AHEAD 1 458 #endif 459 460 #ifndef ADA_DEFAULT_WRITE_CACHE 461 #define ADA_DEFAULT_WRITE_CACHE 1 462 #endif 463 464 #define ADA_RA (softc->read_ahead >= 0 ? \ 465 softc->read_ahead : ada_read_ahead) 466 #define ADA_WC (softc->write_cache >= 0 ? \ 467 softc->write_cache : ada_write_cache) 468 #define ADA_SIO (softc->sort_io_queue >= 0 ? \ 469 softc->sort_io_queue : cam_sort_io_queues) 470 471 /* 472 * Most platforms map firmware geometry to actual, but some don't. If 473 * not overridden, default to nothing. 474 */ 475 #ifndef ata_disk_firmware_geom_adjust 476 #define ata_disk_firmware_geom_adjust(disk) 477 #endif 478 479 static int ada_legacy_aliases = ADA_DEFAULT_LEGACY_ALIASES; 480 static int ada_retry_count = ADA_DEFAULT_RETRY; 481 static int ada_default_timeout = ADA_DEFAULT_TIMEOUT; 482 static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED; 483 static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN; 484 static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND; 485 static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD; 486 static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE; 487 488 static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD, 0, 489 "CAM Direct Access Disk driver"); 490 SYSCTL_INT(_kern_cam_ada, OID_AUTO, legacy_aliases, CTLFLAG_RW, 491 &ada_legacy_aliases, 0, "Create legacy-like device aliases"); 492 TUNABLE_INT("kern.cam.ada.legacy_aliases", &ada_legacy_aliases); 493 SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RW, 494 &ada_retry_count, 0, "Normal I/O retry count"); 495 TUNABLE_INT("kern.cam.ada.retry_count", &ada_retry_count); 496 SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RW, 497 &ada_default_timeout, 0, "Normal I/O timeout (in seconds)"); 498 TUNABLE_INT("kern.cam.ada.default_timeout", &ada_default_timeout); 499 SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RW, 500 &ada_send_ordered, 0, "Send Ordered Tags"); 501 TUNABLE_INT("kern.cam.ada.send_ordered", &ada_send_ordered); 502 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RW, 503 &ada_spindown_shutdown, 0, "Spin down upon shutdown"); 504 TUNABLE_INT("kern.cam.ada.spindown_shutdown", &ada_spindown_shutdown); 505 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RW, 506 &ada_spindown_suspend, 0, "Spin down upon suspend"); 507 TUNABLE_INT("kern.cam.ada.spindown_suspend", &ada_spindown_suspend); 508 SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RW, 509 &ada_read_ahead, 0, "Enable disk read-ahead"); 510 TUNABLE_INT("kern.cam.ada.read_ahead", &ada_read_ahead); 511 SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RW, 512 &ada_write_cache, 0, "Enable disk write cache"); 513 TUNABLE_INT("kern.cam.ada.write_cache", &ada_write_cache); 514 515 /* 516 * ADA_ORDEREDTAG_INTERVAL determines how often, relative 517 * to the default timeout, we check to see whether an ordered 518 * tagged transaction is appropriate to prevent simple tag 519 * starvation. Since we'd like to ensure that there is at least 520 * 1/2 of the timeout length left for a starved transaction to 521 * complete after we've sent an ordered tag, we must poll at least 522 * four times in every timeout period. This takes care of the worst 523 * case where a starved transaction starts during an interval that 524 * meets the requirement "don't send an ordered tag" test so it takes 525 * us two intervals to determine that a tag must be sent. 526 */ 527 #ifndef ADA_ORDEREDTAG_INTERVAL 528 #define ADA_ORDEREDTAG_INTERVAL 4 529 #endif 530 531 static struct periph_driver adadriver = 532 { 533 adainit, "ada", 534 TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0 535 }; 536 537 PERIPHDRIVER_DECLARE(ada, adadriver); 538 539 static MALLOC_DEFINE(M_ATADA, "ata_da", "ata_da buffers"); 540 541 static int 542 adaopen(struct disk *dp) 543 { 544 struct cam_periph *periph; 545 struct ada_softc *softc; 546 int error; 547 548 periph = (struct cam_periph *)dp->d_drv1; 549 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 550 return(ENXIO); 551 } 552 553 cam_periph_lock(periph); 554 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 555 cam_periph_unlock(periph); 556 cam_periph_release(periph); 557 return (error); 558 } 559 560 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 561 ("adaopen\n")); 562 563 softc = (struct ada_softc *)periph->softc; 564 softc->flags |= ADA_FLAG_OPEN; 565 566 cam_periph_unhold(periph); 567 cam_periph_unlock(periph); 568 return (0); 569 } 570 571 static int 572 adaclose(struct disk *dp) 573 { 574 struct cam_periph *periph; 575 struct ada_softc *softc; 576 union ccb *ccb; 577 578 periph = (struct cam_periph *)dp->d_drv1; 579 cam_periph_lock(periph); 580 if (cam_periph_hold(periph, PRIBIO) != 0) { 581 cam_periph_unlock(periph); 582 cam_periph_release(periph); 583 return (0); 584 } 585 586 softc = (struct ada_softc *)periph->softc; 587 588 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 589 ("adaclose\n")); 590 591 /* We only sync the cache if the drive is capable of it. */ 592 if ((softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 && 593 (periph->flags & CAM_PERIPH_INVALID) == 0) { 594 595 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 596 cam_fill_ataio(&ccb->ataio, 597 1, 598 adadone, 599 CAM_DIR_NONE, 600 0, 601 NULL, 602 0, 603 ada_default_timeout*1000); 604 605 if (softc->flags & ADA_FLAG_CAN_48BIT) 606 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 607 else 608 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 609 cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 610 /*sense_flags*/0, softc->disk->d_devstat); 611 612 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 613 xpt_print(periph->path, "Synchronize cache failed\n"); 614 xpt_release_ccb(ccb); 615 } 616 617 softc->flags &= ~ADA_FLAG_OPEN; 618 cam_periph_unhold(periph); 619 cam_periph_unlock(periph); 620 cam_periph_release(periph); 621 return (0); 622 } 623 624 static void 625 adaschedule(struct cam_periph *periph) 626 { 627 struct ada_softc *softc = (struct ada_softc *)periph->softc; 628 uint32_t prio; 629 630 if (softc->state != ADA_STATE_NORMAL) 631 return; 632 633 /* Check if cam_periph_getccb() was called. */ 634 prio = periph->immediate_priority; 635 636 /* Check if we have more work to do. */ 637 if (bioq_first(&softc->bio_queue) || 638 (!softc->trim_running && bioq_first(&softc->trim_queue))) { 639 prio = CAM_PRIORITY_NORMAL; 640 } 641 642 /* Schedule CCB if any of above is true. */ 643 if (prio != CAM_PRIORITY_NONE) 644 xpt_schedule(periph, prio); 645 } 646 647 /* 648 * Actually translate the requested transfer into one the physical driver 649 * can understand. The transfer is described by a buf and will include 650 * only one physical transfer. 651 */ 652 static void 653 adastrategy(struct bio *bp) 654 { 655 struct cam_periph *periph; 656 struct ada_softc *softc; 657 658 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 659 softc = (struct ada_softc *)periph->softc; 660 661 cam_periph_lock(periph); 662 663 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp)); 664 665 /* 666 * If the device has been made invalid, error out 667 */ 668 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 669 cam_periph_unlock(periph); 670 biofinish(bp, NULL, ENXIO); 671 return; 672 } 673 674 /* 675 * Place it in the queue of disk activities for this disk 676 */ 677 if (bp->bio_cmd == BIO_DELETE && 678 (softc->flags & ADA_FLAG_CAN_TRIM)) { 679 if (ADA_SIO) 680 bioq_disksort(&softc->trim_queue, bp); 681 else 682 bioq_insert_tail(&softc->trim_queue, bp); 683 } else { 684 if (ADA_SIO) 685 bioq_disksort(&softc->bio_queue, bp); 686 else 687 bioq_insert_tail(&softc->bio_queue, bp); 688 } 689 690 /* 691 * Schedule ourselves for performing the work. 692 */ 693 adaschedule(periph); 694 cam_periph_unlock(periph); 695 696 return; 697 } 698 699 static int 700 adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 701 { 702 struct cam_periph *periph; 703 struct ada_softc *softc; 704 u_int secsize; 705 union ccb ccb; 706 struct disk *dp; 707 uint64_t lba; 708 uint16_t count; 709 int error = 0; 710 711 dp = arg; 712 periph = dp->d_drv1; 713 softc = (struct ada_softc *)periph->softc; 714 cam_periph_lock(periph); 715 secsize = softc->params.secsize; 716 lba = offset / secsize; 717 count = length / secsize; 718 719 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 720 cam_periph_unlock(periph); 721 return (ENXIO); 722 } 723 724 if (length > 0) { 725 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 726 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 727 cam_fill_ataio(&ccb.ataio, 728 0, 729 adadone, 730 CAM_DIR_OUT, 731 0, 732 (u_int8_t *) virtual, 733 length, 734 ada_default_timeout*1000); 735 if ((softc->flags & ADA_FLAG_CAN_48BIT) && 736 (lba + count >= ATA_MAX_28BIT_LBA || 737 count >= 256)) { 738 ata_48bit_cmd(&ccb.ataio, ATA_WRITE_DMA48, 739 0, lba, count); 740 } else { 741 ata_28bit_cmd(&ccb.ataio, ATA_WRITE_DMA, 742 0, lba, count); 743 } 744 xpt_polled_action(&ccb); 745 746 error = cam_periph_error(&ccb, 747 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 748 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 749 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 750 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 751 if (error != 0) 752 printf("Aborting dump due to I/O error.\n"); 753 754 cam_periph_unlock(periph); 755 return (error); 756 } 757 758 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { 759 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 760 761 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 762 cam_fill_ataio(&ccb.ataio, 763 0, 764 adadone, 765 CAM_DIR_NONE, 766 0, 767 NULL, 768 0, 769 ada_default_timeout*1000); 770 771 if (softc->flags & ADA_FLAG_CAN_48BIT) 772 ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); 773 else 774 ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); 775 xpt_polled_action(&ccb); 776 777 error = cam_periph_error(&ccb, 778 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 779 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 780 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 781 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 782 if (error != 0) 783 xpt_print(periph->path, "Synchronize cache failed\n"); 784 } 785 cam_periph_unlock(periph); 786 return (error); 787 } 788 789 static void 790 adainit(void) 791 { 792 cam_status status; 793 794 /* 795 * Install a global async callback. This callback will 796 * receive async callbacks like "new device found". 797 */ 798 status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL); 799 800 if (status != CAM_REQ_CMP) { 801 printf("ada: Failed to attach master async callback " 802 "due to status 0x%x!\n", status); 803 } else if (ada_send_ordered) { 804 805 /* Register our event handlers */ 806 if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend, 807 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 808 printf("adainit: power event registration failed!\n"); 809 if ((EVENTHANDLER_REGISTER(power_resume, adaresume, 810 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 811 printf("adainit: power event registration failed!\n"); 812 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown, 813 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 814 printf("adainit: shutdown event registration failed!\n"); 815 } 816 } 817 818 /* 819 * Callback from GEOM, called when it has finished cleaning up its 820 * resources. 821 */ 822 static void 823 adadiskgonecb(struct disk *dp) 824 { 825 struct cam_periph *periph; 826 827 periph = (struct cam_periph *)dp->d_drv1; 828 829 cam_periph_release(periph); 830 } 831 832 static void 833 adaoninvalidate(struct cam_periph *periph) 834 { 835 struct ada_softc *softc; 836 837 softc = (struct ada_softc *)periph->softc; 838 839 /* 840 * De-register any async callbacks. 841 */ 842 xpt_register_async(0, adaasync, periph, periph->path); 843 844 /* 845 * Return all queued I/O with ENXIO. 846 * XXX Handle any transactions queued to the card 847 * with XPT_ABORT_CCB. 848 */ 849 bioq_flush(&softc->bio_queue, NULL, ENXIO); 850 bioq_flush(&softc->trim_queue, NULL, ENXIO); 851 852 disk_gone(softc->disk); 853 xpt_print(periph->path, "lost device\n"); 854 } 855 856 static void 857 adacleanup(struct cam_periph *periph) 858 { 859 struct ada_softc *softc; 860 861 softc = (struct ada_softc *)periph->softc; 862 863 xpt_print(periph->path, "removing device entry\n"); 864 cam_periph_unlock(periph); 865 866 /* 867 * If we can't free the sysctl tree, oh well... 868 */ 869 if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0 870 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 871 xpt_print(periph->path, "can't remove sysctl context\n"); 872 } 873 874 disk_destroy(softc->disk); 875 callout_drain(&softc->sendordered_c); 876 free(softc, M_DEVBUF); 877 cam_periph_lock(periph); 878 } 879 880 static void 881 adaasync(void *callback_arg, u_int32_t code, 882 struct cam_path *path, void *arg) 883 { 884 struct ccb_getdev cgd; 885 struct cam_periph *periph; 886 struct ada_softc *softc; 887 888 periph = (struct cam_periph *)callback_arg; 889 switch (code) { 890 case AC_FOUND_DEVICE: 891 { 892 struct ccb_getdev *cgd; 893 cam_status status; 894 895 cgd = (struct ccb_getdev *)arg; 896 if (cgd == NULL) 897 break; 898 899 if (cgd->protocol != PROTO_ATA) 900 break; 901 902 /* 903 * Allocate a peripheral instance for 904 * this device and start the probe 905 * process. 906 */ 907 status = cam_periph_alloc(adaregister, adaoninvalidate, 908 adacleanup, adastart, 909 "ada", CAM_PERIPH_BIO, 910 cgd->ccb_h.path, adaasync, 911 AC_FOUND_DEVICE, cgd); 912 913 if (status != CAM_REQ_CMP 914 && status != CAM_REQ_INPROG) 915 printf("adaasync: Unable to attach to new device " 916 "due to status 0x%x\n", status); 917 break; 918 } 919 case AC_GETDEV_CHANGED: 920 { 921 softc = (struct ada_softc *)periph->softc; 922 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 923 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 924 xpt_action((union ccb *)&cgd); 925 926 if ((cgd.ident_data.capabilities1 & ATA_SUPPORT_DMA) && 927 (cgd.inq_flags & SID_DMA)) 928 softc->flags |= ADA_FLAG_CAN_DMA; 929 else 930 softc->flags &= ~ADA_FLAG_CAN_DMA; 931 if (cgd.ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 932 softc->flags |= ADA_FLAG_CAN_48BIT; 933 if (cgd.inq_flags & SID_DMA48) 934 softc->flags |= ADA_FLAG_CAN_DMA48; 935 else 936 softc->flags &= ~ADA_FLAG_CAN_DMA48; 937 } else 938 softc->flags &= ~(ADA_FLAG_CAN_48BIT | 939 ADA_FLAG_CAN_DMA48); 940 if ((cgd.ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 941 (cgd.inq_flags & SID_DMA) && (cgd.inq_flags & SID_CmdQue)) 942 softc->flags |= ADA_FLAG_CAN_NCQ; 943 else 944 softc->flags &= ~ADA_FLAG_CAN_NCQ; 945 if ((cgd.ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 946 (cgd.inq_flags & SID_DMA)) 947 softc->flags |= ADA_FLAG_CAN_TRIM; 948 else 949 softc->flags &= ~ADA_FLAG_CAN_TRIM; 950 951 cam_periph_async(periph, code, path, arg); 952 break; 953 } 954 case AC_ADVINFO_CHANGED: 955 { 956 uintptr_t buftype; 957 958 buftype = (uintptr_t)arg; 959 if (buftype == CDAI_TYPE_PHYS_PATH) { 960 struct ada_softc *softc; 961 962 softc = periph->softc; 963 disk_attr_changed(softc->disk, "GEOM::physpath", 964 M_NOWAIT); 965 } 966 break; 967 } 968 case AC_SENT_BDR: 969 case AC_BUS_RESET: 970 { 971 softc = (struct ada_softc *)periph->softc; 972 cam_periph_async(periph, code, path, arg); 973 if (softc->state != ADA_STATE_NORMAL) 974 break; 975 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 976 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 977 xpt_action((union ccb *)&cgd); 978 if (ADA_RA >= 0 && 979 cgd.ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) 980 softc->state = ADA_STATE_RAHEAD; 981 else if (ADA_WC >= 0 && 982 cgd.ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) 983 softc->state = ADA_STATE_WCACHE; 984 else 985 break; 986 cam_periph_acquire(periph); 987 xpt_schedule(periph, CAM_PRIORITY_DEV); 988 } 989 default: 990 cam_periph_async(periph, code, path, arg); 991 break; 992 } 993 } 994 995 static void 996 adasysctlinit(void *context, int pending) 997 { 998 struct cam_periph *periph; 999 struct ada_softc *softc; 1000 char tmpstr[80], tmpstr2[80]; 1001 1002 periph = (struct cam_periph *)context; 1003 1004 /* periph was held for us when this task was enqueued */ 1005 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1006 cam_periph_release(periph); 1007 return; 1008 } 1009 1010 softc = (struct ada_softc *)periph->softc; 1011 snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d", periph->unit_number); 1012 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1013 1014 sysctl_ctx_init(&softc->sysctl_ctx); 1015 softc->flags |= ADA_FLAG_SCTX_INIT; 1016 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1017 SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2, 1018 CTLFLAG_RD, 0, tmpstr); 1019 if (softc->sysctl_tree == NULL) { 1020 printf("adasysctlinit: unable to allocate sysctl tree\n"); 1021 cam_periph_release(periph); 1022 return; 1023 } 1024 1025 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1026 OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE, 1027 &softc->read_ahead, 0, "Enable disk read ahead."); 1028 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1029 OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE, 1030 &softc->write_cache, 0, "Enable disk write cache."); 1031 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1032 OID_AUTO, "sort_io_queue", CTLFLAG_RW | CTLFLAG_MPSAFE, 1033 &softc->sort_io_queue, 0, 1034 "Sort IO queue to try and optimise disk access patterns"); 1035 #ifdef ADA_TEST_FAILURE 1036 /* 1037 * Add a 'door bell' sysctl which allows one to set it from userland 1038 * and cause something bad to happen. For the moment, we only allow 1039 * whacking the next read or write. 1040 */ 1041 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1042 OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1043 &softc->force_read_error, 0, 1044 "Force a read error for the next N reads."); 1045 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1046 OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1047 &softc->force_write_error, 0, 1048 "Force a write error for the next N writes."); 1049 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1050 OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1051 &softc->periodic_read_error, 0, 1052 "Force a read error every N reads (don't set too low)."); 1053 #endif 1054 cam_periph_release(periph); 1055 } 1056 1057 static int 1058 adagetattr(struct bio *bp) 1059 { 1060 int ret; 1061 struct cam_periph *periph; 1062 1063 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1064 cam_periph_lock(periph); 1065 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1066 periph->path); 1067 cam_periph_unlock(periph); 1068 if (ret == 0) 1069 bp->bio_completed = bp->bio_length; 1070 return ret; 1071 } 1072 1073 static cam_status 1074 adaregister(struct cam_periph *periph, void *arg) 1075 { 1076 struct ada_softc *softc; 1077 struct ccb_pathinq cpi; 1078 struct ccb_getdev *cgd; 1079 char announce_buf[80], buf1[32]; 1080 struct disk_params *dp; 1081 caddr_t match; 1082 u_int maxio; 1083 int legacy_id, quirks; 1084 1085 cgd = (struct ccb_getdev *)arg; 1086 if (cgd == NULL) { 1087 printf("adaregister: no getdev CCB, can't register device\n"); 1088 return(CAM_REQ_CMP_ERR); 1089 } 1090 1091 softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF, 1092 M_NOWAIT|M_ZERO); 1093 1094 if (softc == NULL) { 1095 printf("adaregister: Unable to probe new device. " 1096 "Unable to allocate softc\n"); 1097 return(CAM_REQ_CMP_ERR); 1098 } 1099 1100 bioq_init(&softc->bio_queue); 1101 bioq_init(&softc->trim_queue); 1102 1103 if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1104 (cgd->inq_flags & SID_DMA)) 1105 softc->flags |= ADA_FLAG_CAN_DMA; 1106 if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1107 softc->flags |= ADA_FLAG_CAN_48BIT; 1108 if (cgd->inq_flags & SID_DMA48) 1109 softc->flags |= ADA_FLAG_CAN_DMA48; 1110 } 1111 if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE) 1112 softc->flags |= ADA_FLAG_CAN_FLUSHCACHE; 1113 if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT) 1114 softc->flags |= ADA_FLAG_CAN_POWERMGT; 1115 if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1116 (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue)) 1117 softc->flags |= ADA_FLAG_CAN_NCQ; 1118 if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1119 (cgd->inq_flags & SID_DMA)) { 1120 softc->flags |= ADA_FLAG_CAN_TRIM; 1121 softc->trim_max_ranges = TRIM_MAX_RANGES; 1122 if (cgd->ident_data.max_dsm_blocks != 0) { 1123 softc->trim_max_ranges = 1124 min(cgd->ident_data.max_dsm_blocks * 1125 ATA_DSM_BLK_RANGES, softc->trim_max_ranges); 1126 } 1127 } 1128 if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA) 1129 softc->flags |= ADA_FLAG_CAN_CFA; 1130 1131 periph->softc = softc; 1132 1133 /* 1134 * See if this device has any quirks. 1135 */ 1136 match = cam_quirkmatch((caddr_t)&cgd->ident_data, 1137 (caddr_t)ada_quirk_table, 1138 sizeof(ada_quirk_table)/sizeof(*ada_quirk_table), 1139 sizeof(*ada_quirk_table), ata_identify_match); 1140 if (match != NULL) 1141 softc->quirks = ((struct ada_quirk_entry *)match)->quirks; 1142 else 1143 softc->quirks = ADA_Q_NONE; 1144 1145 bzero(&cpi, sizeof(cpi)); 1146 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 1147 cpi.ccb_h.func_code = XPT_PATH_INQ; 1148 xpt_action((union ccb *)&cpi); 1149 1150 TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph); 1151 1152 /* 1153 * Register this media as a disk 1154 */ 1155 (void)cam_periph_hold(periph, PRIBIO); 1156 cam_periph_unlock(periph); 1157 snprintf(announce_buf, sizeof(announce_buf), 1158 "kern.cam.ada.%d.quirks", periph->unit_number); 1159 quirks = softc->quirks; 1160 TUNABLE_INT_FETCH(announce_buf, &quirks); 1161 softc->quirks = quirks; 1162 softc->read_ahead = -1; 1163 snprintf(announce_buf, sizeof(announce_buf), 1164 "kern.cam.ada.%d.read_ahead", periph->unit_number); 1165 TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead); 1166 softc->write_cache = -1; 1167 snprintf(announce_buf, sizeof(announce_buf), 1168 "kern.cam.ada.%d.write_cache", periph->unit_number); 1169 TUNABLE_INT_FETCH(announce_buf, &softc->write_cache); 1170 /* Disable queue sorting for non-rotational media by default. */ 1171 if (cgd->ident_data.media_rotation_rate == 1) 1172 softc->sort_io_queue = 0; 1173 else 1174 softc->sort_io_queue = -1; 1175 adagetparams(periph, cgd); 1176 softc->disk = disk_alloc(); 1177 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1178 periph->unit_number, softc->params.secsize, 1179 DEVSTAT_ALL_SUPPORTED, 1180 DEVSTAT_TYPE_DIRECT | 1181 XPORT_DEVSTAT_TYPE(cpi.transport), 1182 DEVSTAT_PRIORITY_DISK); 1183 softc->disk->d_open = adaopen; 1184 softc->disk->d_close = adaclose; 1185 softc->disk->d_strategy = adastrategy; 1186 softc->disk->d_getattr = adagetattr; 1187 softc->disk->d_dump = adadump; 1188 softc->disk->d_gone = adadiskgonecb; 1189 softc->disk->d_name = "ada"; 1190 softc->disk->d_drv1 = periph; 1191 maxio = cpi.maxio; /* Honor max I/O size of SIM */ 1192 if (maxio == 0) 1193 maxio = DFLTPHYS; /* traditional default */ 1194 else if (maxio > MAXPHYS) 1195 maxio = MAXPHYS; /* for safety */ 1196 if (softc->flags & ADA_FLAG_CAN_48BIT) 1197 maxio = min(maxio, 65536 * softc->params.secsize); 1198 else /* 28bit ATA command limit */ 1199 maxio = min(maxio, 256 * softc->params.secsize); 1200 softc->disk->d_maxsize = maxio; 1201 softc->disk->d_unit = periph->unit_number; 1202 softc->disk->d_flags = 0; 1203 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) 1204 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1205 if (softc->flags & ADA_FLAG_CAN_TRIM) { 1206 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1207 softc->disk->d_delmaxsize = softc->params.secsize * 1208 ATA_DSM_RANGE_MAX * 1209 softc->trim_max_ranges; 1210 } else if ((softc->flags & ADA_FLAG_CAN_CFA) && 1211 !(softc->flags & ADA_FLAG_CAN_48BIT)) { 1212 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1213 softc->disk->d_delmaxsize = 256 * softc->params.secsize; 1214 } else 1215 softc->disk->d_delmaxsize = maxio; 1216 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) 1217 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 1218 strlcpy(softc->disk->d_descr, cgd->ident_data.model, 1219 MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model))); 1220 strlcpy(softc->disk->d_ident, cgd->ident_data.serial, 1221 MIN(sizeof(softc->disk->d_ident), sizeof(cgd->ident_data.serial))); 1222 softc->disk->d_hba_vendor = cpi.hba_vendor; 1223 softc->disk->d_hba_device = cpi.hba_device; 1224 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1225 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1226 1227 softc->disk->d_sectorsize = softc->params.secsize; 1228 softc->disk->d_mediasize = (off_t)softc->params.sectors * 1229 softc->params.secsize; 1230 if (ata_physical_sector_size(&cgd->ident_data) != 1231 softc->params.secsize) { 1232 softc->disk->d_stripesize = 1233 ata_physical_sector_size(&cgd->ident_data); 1234 softc->disk->d_stripeoffset = (softc->disk->d_stripesize - 1235 ata_logical_sector_offset(&cgd->ident_data)) % 1236 softc->disk->d_stripesize; 1237 } else if (softc->quirks & ADA_Q_4K) { 1238 softc->disk->d_stripesize = 4096; 1239 softc->disk->d_stripeoffset = 0; 1240 } 1241 softc->disk->d_fwsectors = softc->params.secs_per_track; 1242 softc->disk->d_fwheads = softc->params.heads; 1243 ata_disk_firmware_geom_adjust(softc->disk); 1244 1245 if (ada_legacy_aliases) { 1246 #ifdef ATA_STATIC_ID 1247 legacy_id = xpt_path_legacy_ata_id(periph->path); 1248 #else 1249 legacy_id = softc->disk->d_unit; 1250 #endif 1251 if (legacy_id >= 0) { 1252 snprintf(announce_buf, sizeof(announce_buf), 1253 "kern.devalias.%s%d", 1254 softc->disk->d_name, softc->disk->d_unit); 1255 snprintf(buf1, sizeof(buf1), 1256 "ad%d", legacy_id); 1257 setenv(announce_buf, buf1); 1258 } 1259 } else 1260 legacy_id = -1; 1261 /* 1262 * Acquire a reference to the periph before we register with GEOM. 1263 * We'll release this reference once GEOM calls us back (via 1264 * adadiskgonecb()) telling us that our provider has been freed. 1265 */ 1266 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1267 xpt_print(periph->path, "%s: lost periph during " 1268 "registration!\n", __func__); 1269 cam_periph_lock(periph); 1270 return (CAM_REQ_CMP_ERR); 1271 } 1272 disk_create(softc->disk, DISK_VERSION); 1273 cam_periph_lock(periph); 1274 cam_periph_unhold(periph); 1275 1276 dp = &softc->params; 1277 snprintf(announce_buf, sizeof(announce_buf), 1278 "%juMB (%ju %u byte sectors: %dH %dS/T %dC)", 1279 (uintmax_t)(((uintmax_t)dp->secsize * 1280 dp->sectors) / (1024*1024)), 1281 (uintmax_t)dp->sectors, 1282 dp->secsize, dp->heads, 1283 dp->secs_per_track, dp->cylinders); 1284 xpt_announce_periph(periph, announce_buf); 1285 xpt_announce_quirks(periph, softc->quirks, ADA_Q_BIT_STRING); 1286 if (legacy_id >= 0) 1287 printf("%s%d: Previously was known as ad%d\n", 1288 periph->periph_name, periph->unit_number, legacy_id); 1289 1290 /* 1291 * Create our sysctl variables, now that we know 1292 * we have successfully attached. 1293 */ 1294 cam_periph_acquire(periph); 1295 taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task); 1296 1297 /* 1298 * Add async callbacks for bus reset and 1299 * bus device reset calls. I don't bother 1300 * checking if this fails as, in most cases, 1301 * the system will function just fine without 1302 * them and the only alternative would be to 1303 * not attach the device on failure. 1304 */ 1305 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 1306 AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED, 1307 adaasync, periph, periph->path); 1308 1309 /* 1310 * Schedule a periodic event to occasionally send an 1311 * ordered tag to a device. 1312 */ 1313 callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0); 1314 callout_reset(&softc->sendordered_c, 1315 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1316 adasendorderedtag, softc); 1317 1318 if (ADA_RA >= 0 && 1319 cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) { 1320 softc->state = ADA_STATE_RAHEAD; 1321 cam_periph_acquire(periph); 1322 xpt_schedule(periph, CAM_PRIORITY_DEV); 1323 } else if (ADA_WC >= 0 && 1324 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1325 softc->state = ADA_STATE_WCACHE; 1326 cam_periph_acquire(periph); 1327 xpt_schedule(periph, CAM_PRIORITY_DEV); 1328 } else 1329 softc->state = ADA_STATE_NORMAL; 1330 1331 return(CAM_REQ_CMP); 1332 } 1333 1334 static void 1335 adastart(struct cam_periph *periph, union ccb *start_ccb) 1336 { 1337 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1338 struct ccb_ataio *ataio = &start_ccb->ataio; 1339 1340 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n")); 1341 1342 switch (softc->state) { 1343 case ADA_STATE_NORMAL: 1344 { 1345 struct bio *bp; 1346 u_int8_t tag_code; 1347 1348 /* Execute immediate CCB if waiting. */ 1349 if (periph->immediate_priority <= periph->pinfo.priority) { 1350 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1351 ("queuing for immediate ccb\n")); 1352 start_ccb->ccb_h.ccb_state = ADA_CCB_WAITING; 1353 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1354 periph_links.sle); 1355 periph->immediate_priority = CAM_PRIORITY_NONE; 1356 wakeup(&periph->ccb_list); 1357 /* Have more work to do, so ensure we stay scheduled */ 1358 adaschedule(periph); 1359 break; 1360 } 1361 /* Run TRIM if not running yet. */ 1362 if (!softc->trim_running && 1363 (bp = bioq_first(&softc->trim_queue)) != 0) { 1364 struct trim_request *req = &softc->trim_req; 1365 struct bio *bp1; 1366 uint64_t lastlba = (uint64_t)-1; 1367 int bps = 0, c, lastcount = 0, off, ranges = 0; 1368 1369 softc->trim_running = 1; 1370 bzero(req, sizeof(*req)); 1371 bp1 = bp; 1372 do { 1373 uint64_t lba = bp1->bio_pblkno; 1374 int count = bp1->bio_bcount / 1375 softc->params.secsize; 1376 1377 bioq_remove(&softc->trim_queue, bp1); 1378 1379 /* Try to extend the previous range. */ 1380 if (lba == lastlba) { 1381 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 1382 lastcount += c; 1383 off = (ranges - 1) * ATA_DSM_RANGE_SIZE; 1384 req->data[off + 6] = lastcount & 0xff; 1385 req->data[off + 7] = 1386 (lastcount >> 8) & 0xff; 1387 count -= c; 1388 lba += c; 1389 } 1390 1391 while (count > 0) { 1392 c = min(count, ATA_DSM_RANGE_MAX); 1393 off = ranges * ATA_DSM_RANGE_SIZE; 1394 req->data[off + 0] = lba & 0xff; 1395 req->data[off + 1] = (lba >> 8) & 0xff; 1396 req->data[off + 2] = (lba >> 16) & 0xff; 1397 req->data[off + 3] = (lba >> 24) & 0xff; 1398 req->data[off + 4] = (lba >> 32) & 0xff; 1399 req->data[off + 5] = (lba >> 40) & 0xff; 1400 req->data[off + 6] = c & 0xff; 1401 req->data[off + 7] = (c >> 8) & 0xff; 1402 lba += c; 1403 count -= c; 1404 lastcount = c; 1405 ranges++; 1406 /* 1407 * Its the caller's responsibility to ensure the 1408 * request will fit so we don't need to check for 1409 * overrun here 1410 */ 1411 } 1412 lastlba = lba; 1413 req->bps[bps++] = bp1; 1414 bp1 = bioq_first(&softc->trim_queue); 1415 if (bps >= TRIM_MAX_BIOS || 1416 bp1 == NULL || 1417 bp1->bio_bcount / softc->params.secsize > 1418 (softc->trim_max_ranges - ranges) * 1419 ATA_DSM_RANGE_MAX) 1420 break; 1421 } while (1); 1422 cam_fill_ataio(ataio, 1423 ada_retry_count, 1424 adadone, 1425 CAM_DIR_OUT, 1426 0, 1427 req->data, 1428 ((ranges + ATA_DSM_BLK_RANGES - 1) / 1429 ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE, 1430 ada_default_timeout * 1000); 1431 ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT, 1432 ATA_DSM_TRIM, 0, (ranges + ATA_DSM_BLK_RANGES - 1433 1) / ATA_DSM_BLK_RANGES); 1434 start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM; 1435 goto out; 1436 } 1437 /* Run regular command. */ 1438 bp = bioq_first(&softc->bio_queue); 1439 if (bp == NULL) { 1440 xpt_release_ccb(start_ccb); 1441 break; 1442 } 1443 bioq_remove(&softc->bio_queue, bp); 1444 1445 if ((bp->bio_flags & BIO_ORDERED) != 0 1446 || (softc->flags & ADA_FLAG_NEED_OTAG) != 0) { 1447 softc->flags &= ~ADA_FLAG_NEED_OTAG; 1448 softc->ordered_tag_count++; 1449 tag_code = 0; 1450 } else { 1451 tag_code = 1; 1452 } 1453 switch (bp->bio_cmd) { 1454 case BIO_READ: 1455 case BIO_WRITE: 1456 { 1457 uint64_t lba = bp->bio_pblkno; 1458 uint16_t count = bp->bio_bcount / softc->params.secsize; 1459 #ifdef ADA_TEST_FAILURE 1460 int fail = 0; 1461 1462 /* 1463 * Support the failure ioctls. If the command is a 1464 * read, and there are pending forced read errors, or 1465 * if a write and pending write errors, then fail this 1466 * operation with EIO. This is useful for testing 1467 * purposes. Also, support having every Nth read fail. 1468 * 1469 * This is a rather blunt tool. 1470 */ 1471 if (bp->bio_cmd == BIO_READ) { 1472 if (softc->force_read_error) { 1473 softc->force_read_error--; 1474 fail = 1; 1475 } 1476 if (softc->periodic_read_error > 0) { 1477 if (++softc->periodic_read_count >= 1478 softc->periodic_read_error) { 1479 softc->periodic_read_count = 0; 1480 fail = 1; 1481 } 1482 } 1483 } else { 1484 if (softc->force_write_error) { 1485 softc->force_write_error--; 1486 fail = 1; 1487 } 1488 } 1489 if (fail) { 1490 bp->bio_error = EIO; 1491 bp->bio_flags |= BIO_ERROR; 1492 biodone(bp); 1493 xpt_release_ccb(start_ccb); 1494 adaschedule(periph); 1495 return; 1496 } 1497 #endif 1498 KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 || 1499 round_page(bp->bio_bcount + bp->bio_ma_offset) / 1500 PAGE_SIZE == bp->bio_ma_n, 1501 ("Short bio %p", bp)); 1502 cam_fill_ataio(ataio, 1503 ada_retry_count, 1504 adadone, 1505 (bp->bio_cmd == BIO_READ ? CAM_DIR_IN : 1506 CAM_DIR_OUT) | ((bp->bio_flags & BIO_UNMAPPED) 1507 != 0 ? CAM_DATA_BIO : 0), 1508 tag_code, 1509 ((bp->bio_flags & BIO_UNMAPPED) != 0) ? (void *)bp : 1510 bp->bio_data, 1511 bp->bio_bcount, 1512 ada_default_timeout*1000); 1513 1514 if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) { 1515 if (bp->bio_cmd == BIO_READ) { 1516 ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED, 1517 lba, count); 1518 } else { 1519 ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED, 1520 lba, count); 1521 } 1522 } else if ((softc->flags & ADA_FLAG_CAN_48BIT) && 1523 (lba + count >= ATA_MAX_28BIT_LBA || 1524 count > 256)) { 1525 if (softc->flags & ADA_FLAG_CAN_DMA48) { 1526 if (bp->bio_cmd == BIO_READ) { 1527 ata_48bit_cmd(ataio, ATA_READ_DMA48, 1528 0, lba, count); 1529 } else { 1530 ata_48bit_cmd(ataio, ATA_WRITE_DMA48, 1531 0, lba, count); 1532 } 1533 } else { 1534 if (bp->bio_cmd == BIO_READ) { 1535 ata_48bit_cmd(ataio, ATA_READ_MUL48, 1536 0, lba, count); 1537 } else { 1538 ata_48bit_cmd(ataio, ATA_WRITE_MUL48, 1539 0, lba, count); 1540 } 1541 } 1542 } else { 1543 if (count == 256) 1544 count = 0; 1545 if (softc->flags & ADA_FLAG_CAN_DMA) { 1546 if (bp->bio_cmd == BIO_READ) { 1547 ata_28bit_cmd(ataio, ATA_READ_DMA, 1548 0, lba, count); 1549 } else { 1550 ata_28bit_cmd(ataio, ATA_WRITE_DMA, 1551 0, lba, count); 1552 } 1553 } else { 1554 if (bp->bio_cmd == BIO_READ) { 1555 ata_28bit_cmd(ataio, ATA_READ_MUL, 1556 0, lba, count); 1557 } else { 1558 ata_28bit_cmd(ataio, ATA_WRITE_MUL, 1559 0, lba, count); 1560 } 1561 } 1562 } 1563 break; 1564 } 1565 case BIO_DELETE: 1566 { 1567 uint64_t lba = bp->bio_pblkno; 1568 uint16_t count = bp->bio_bcount / softc->params.secsize; 1569 1570 cam_fill_ataio(ataio, 1571 ada_retry_count, 1572 adadone, 1573 CAM_DIR_NONE, 1574 0, 1575 NULL, 1576 0, 1577 ada_default_timeout*1000); 1578 1579 if (count >= 256) 1580 count = 0; 1581 ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count); 1582 break; 1583 } 1584 case BIO_FLUSH: 1585 cam_fill_ataio(ataio, 1586 1, 1587 adadone, 1588 CAM_DIR_NONE, 1589 0, 1590 NULL, 1591 0, 1592 ada_default_timeout*1000); 1593 1594 if (softc->flags & ADA_FLAG_CAN_48BIT) 1595 ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1596 else 1597 ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0); 1598 break; 1599 } 1600 start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO; 1601 out: 1602 start_ccb->ccb_h.ccb_bp = bp; 1603 softc->outstanding_cmds++; 1604 xpt_action(start_ccb); 1605 1606 /* May have more work to do, so ensure we stay scheduled */ 1607 adaschedule(periph); 1608 break; 1609 } 1610 case ADA_STATE_RAHEAD: 1611 case ADA_STATE_WCACHE: 1612 { 1613 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1614 softc->state = ADA_STATE_NORMAL; 1615 xpt_release_ccb(start_ccb); 1616 cam_periph_release_locked(periph); 1617 return; 1618 } 1619 1620 cam_fill_ataio(ataio, 1621 1, 1622 adadone, 1623 CAM_DIR_NONE, 1624 0, 1625 NULL, 1626 0, 1627 ada_default_timeout*1000); 1628 1629 if (softc->state == ADA_STATE_RAHEAD) { 1630 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ? 1631 ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0); 1632 start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD; 1633 } else { 1634 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ? 1635 ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0); 1636 start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE; 1637 } 1638 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1639 xpt_action(start_ccb); 1640 break; 1641 } 1642 } 1643 } 1644 1645 static void 1646 adadone(struct cam_periph *periph, union ccb *done_ccb) 1647 { 1648 struct ada_softc *softc; 1649 struct ccb_ataio *ataio; 1650 struct ccb_getdev *cgd; 1651 struct cam_path *path; 1652 1653 softc = (struct ada_softc *)periph->softc; 1654 ataio = &done_ccb->ataio; 1655 path = done_ccb->ccb_h.path; 1656 1657 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n")); 1658 1659 switch (ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK) { 1660 case ADA_CCB_BUFFER_IO: 1661 case ADA_CCB_TRIM: 1662 { 1663 struct bio *bp; 1664 1665 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1666 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1667 int error; 1668 1669 error = adaerror(done_ccb, 0, 0); 1670 if (error == ERESTART) { 1671 /* A retry was scheduled, so just return. */ 1672 return; 1673 } 1674 if (error != 0) { 1675 bp->bio_error = error; 1676 bp->bio_resid = bp->bio_bcount; 1677 bp->bio_flags |= BIO_ERROR; 1678 } else { 1679 bp->bio_resid = ataio->resid; 1680 bp->bio_error = 0; 1681 if (bp->bio_resid != 0) 1682 bp->bio_flags |= BIO_ERROR; 1683 } 1684 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1685 cam_release_devq(path, 1686 /*relsim_flags*/0, 1687 /*reduction*/0, 1688 /*timeout*/0, 1689 /*getcount_only*/0); 1690 } else { 1691 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1692 panic("REQ_CMP with QFRZN"); 1693 bp->bio_resid = ataio->resid; 1694 if (ataio->resid > 0) 1695 bp->bio_flags |= BIO_ERROR; 1696 } 1697 softc->outstanding_cmds--; 1698 if (softc->outstanding_cmds == 0) 1699 softc->flags |= ADA_FLAG_WENT_IDLE; 1700 if ((ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK) == 1701 ADA_CCB_TRIM) { 1702 struct trim_request *req = 1703 (struct trim_request *)ataio->data_ptr; 1704 int i; 1705 1706 for (i = 1; i < TRIM_MAX_BIOS && req->bps[i]; i++) { 1707 struct bio *bp1 = req->bps[i]; 1708 1709 bp1->bio_resid = bp->bio_resid; 1710 bp1->bio_error = bp->bio_error; 1711 if (bp->bio_flags & BIO_ERROR) 1712 bp1->bio_flags |= BIO_ERROR; 1713 biodone(bp1); 1714 } 1715 softc->trim_running = 0; 1716 biodone(bp); 1717 adaschedule(periph); 1718 } else 1719 biodone(bp); 1720 break; 1721 } 1722 case ADA_CCB_RAHEAD: 1723 { 1724 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1725 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1726 out: 1727 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1728 cam_release_devq(path, 0, 0, 0, FALSE); 1729 return; 1730 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1731 cam_release_devq(path, 1732 /*relsim_flags*/0, 1733 /*reduction*/0, 1734 /*timeout*/0, 1735 /*getcount_only*/0); 1736 } 1737 } 1738 1739 /* 1740 * Since our peripheral may be invalidated by an error 1741 * above or an external event, we must release our CCB 1742 * before releasing the reference on the peripheral. 1743 * The peripheral will only go away once the last reference 1744 * is removed, and we need it around for the CCB release 1745 * operation. 1746 */ 1747 cgd = (struct ccb_getdev *)done_ccb; 1748 xpt_setup_ccb(&cgd->ccb_h, path, CAM_PRIORITY_NORMAL); 1749 cgd->ccb_h.func_code = XPT_GDEV_TYPE; 1750 xpt_action((union ccb *)cgd); 1751 if (ADA_WC >= 0 && 1752 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1753 softc->state = ADA_STATE_WCACHE; 1754 xpt_release_ccb(done_ccb); 1755 xpt_schedule(periph, CAM_PRIORITY_DEV); 1756 goto out; 1757 } 1758 softc->state = ADA_STATE_NORMAL; 1759 xpt_release_ccb(done_ccb); 1760 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1761 cam_release_devq(path, 0, 0, 0, FALSE); 1762 adaschedule(periph); 1763 cam_periph_release_locked(periph); 1764 return; 1765 } 1766 case ADA_CCB_WCACHE: 1767 { 1768 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1769 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1770 goto out; 1771 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1772 cam_release_devq(path, 1773 /*relsim_flags*/0, 1774 /*reduction*/0, 1775 /*timeout*/0, 1776 /*getcount_only*/0); 1777 } 1778 } 1779 1780 softc->state = ADA_STATE_NORMAL; 1781 /* 1782 * Since our peripheral may be invalidated by an error 1783 * above or an external event, we must release our CCB 1784 * before releasing the reference on the peripheral. 1785 * The peripheral will only go away once the last reference 1786 * is removed, and we need it around for the CCB release 1787 * operation. 1788 */ 1789 xpt_release_ccb(done_ccb); 1790 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1791 cam_release_devq(path, 0, 0, 0, FALSE); 1792 adaschedule(periph); 1793 cam_periph_release_locked(periph); 1794 return; 1795 } 1796 case ADA_CCB_WAITING: 1797 { 1798 /* Caller will release the CCB */ 1799 wakeup(&done_ccb->ccb_h.cbfcnp); 1800 return; 1801 } 1802 case ADA_CCB_DUMP: 1803 /* No-op. We're polling */ 1804 return; 1805 default: 1806 break; 1807 } 1808 xpt_release_ccb(done_ccb); 1809 } 1810 1811 static int 1812 adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1813 { 1814 1815 return(cam_periph_error(ccb, cam_flags, sense_flags, NULL)); 1816 } 1817 1818 static void 1819 adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd) 1820 { 1821 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1822 struct disk_params *dp = &softc->params; 1823 u_int64_t lbasize48; 1824 u_int32_t lbasize; 1825 1826 dp->secsize = ata_logical_sector_size(&cgd->ident_data); 1827 if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) && 1828 cgd->ident_data.current_heads && cgd->ident_data.current_sectors) { 1829 dp->heads = cgd->ident_data.current_heads; 1830 dp->secs_per_track = cgd->ident_data.current_sectors; 1831 dp->cylinders = cgd->ident_data.cylinders; 1832 dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 | 1833 ((u_int32_t)cgd->ident_data.current_size_2 << 16); 1834 } else { 1835 dp->heads = cgd->ident_data.heads; 1836 dp->secs_per_track = cgd->ident_data.sectors; 1837 dp->cylinders = cgd->ident_data.cylinders; 1838 dp->sectors = cgd->ident_data.cylinders * dp->heads * dp->secs_per_track; 1839 } 1840 lbasize = (u_int32_t)cgd->ident_data.lba_size_1 | 1841 ((u_int32_t)cgd->ident_data.lba_size_2 << 16); 1842 1843 /* use the 28bit LBA size if valid or bigger than the CHS mapping */ 1844 if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize) 1845 dp->sectors = lbasize; 1846 1847 /* use the 48bit LBA size if valid */ 1848 lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) | 1849 ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) | 1850 ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) | 1851 ((u_int64_t)cgd->ident_data.lba_size48_4 << 48); 1852 if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) && 1853 lbasize48 > ATA_MAX_28BIT_LBA) 1854 dp->sectors = lbasize48; 1855 } 1856 1857 static void 1858 adasendorderedtag(void *arg) 1859 { 1860 struct ada_softc *softc = arg; 1861 1862 if (ada_send_ordered) { 1863 if ((softc->ordered_tag_count == 0) 1864 && ((softc->flags & ADA_FLAG_WENT_IDLE) == 0)) { 1865 softc->flags |= ADA_FLAG_NEED_OTAG; 1866 } 1867 if (softc->outstanding_cmds > 0) 1868 softc->flags &= ~ADA_FLAG_WENT_IDLE; 1869 1870 softc->ordered_tag_count = 0; 1871 } 1872 /* Queue us up again */ 1873 callout_reset(&softc->sendordered_c, 1874 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1875 adasendorderedtag, softc); 1876 } 1877 1878 /* 1879 * Step through all ADA peripheral drivers, and if the device is still open, 1880 * sync the disk cache to physical media. 1881 */ 1882 static void 1883 adaflush(void) 1884 { 1885 struct cam_periph *periph; 1886 struct ada_softc *softc; 1887 union ccb *ccb; 1888 int error; 1889 1890 CAM_PERIPH_FOREACH(periph, &adadriver) { 1891 /* If we paniced with lock held - not recurse here. */ 1892 if (cam_periph_owned(periph)) 1893 continue; 1894 cam_periph_lock(periph); 1895 softc = (struct ada_softc *)periph->softc; 1896 /* 1897 * We only sync the cache if the drive is still open, and 1898 * if the drive is capable of it.. 1899 */ 1900 if (((softc->flags & ADA_FLAG_OPEN) == 0) || 1901 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) { 1902 cam_periph_unlock(periph); 1903 continue; 1904 } 1905 1906 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1907 cam_fill_ataio(&ccb->ataio, 1908 0, 1909 adadone, 1910 CAM_DIR_NONE, 1911 0, 1912 NULL, 1913 0, 1914 ada_default_timeout*1000); 1915 if (softc->flags & ADA_FLAG_CAN_48BIT) 1916 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1917 else 1918 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 1919 1920 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 1921 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 1922 softc->disk->d_devstat); 1923 if (error != 0) 1924 xpt_print(periph->path, "Synchronize cache failed\n"); 1925 xpt_release_ccb(ccb); 1926 cam_periph_unlock(periph); 1927 } 1928 } 1929 1930 static void 1931 adaspindown(uint8_t cmd, int flags) 1932 { 1933 struct cam_periph *periph; 1934 struct ada_softc *softc; 1935 union ccb *ccb; 1936 int error; 1937 1938 CAM_PERIPH_FOREACH(periph, &adadriver) { 1939 /* If we paniced with lock held - not recurse here. */ 1940 if (cam_periph_owned(periph)) 1941 continue; 1942 cam_periph_lock(periph); 1943 softc = (struct ada_softc *)periph->softc; 1944 /* 1945 * We only spin-down the drive if it is capable of it.. 1946 */ 1947 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 1948 cam_periph_unlock(periph); 1949 continue; 1950 } 1951 1952 if (bootverbose) 1953 xpt_print(periph->path, "spin-down\n"); 1954 1955 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1956 cam_fill_ataio(&ccb->ataio, 1957 0, 1958 adadone, 1959 CAM_DIR_NONE | flags, 1960 0, 1961 NULL, 1962 0, 1963 ada_default_timeout*1000); 1964 ata_28bit_cmd(&ccb->ataio, cmd, 0, 0, 0); 1965 1966 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 1967 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 1968 softc->disk->d_devstat); 1969 if (error != 0) 1970 xpt_print(periph->path, "Spin-down disk failed\n"); 1971 xpt_release_ccb(ccb); 1972 cam_periph_unlock(periph); 1973 } 1974 } 1975 1976 static void 1977 adashutdown(void *arg, int howto) 1978 { 1979 1980 adaflush(); 1981 if (ada_spindown_shutdown != 0 && 1982 (howto & (RB_HALT | RB_POWEROFF)) != 0) 1983 adaspindown(ATA_STANDBY_IMMEDIATE, 0); 1984 } 1985 1986 static void 1987 adasuspend(void *arg) 1988 { 1989 1990 adaflush(); 1991 if (ada_spindown_suspend != 0) 1992 adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE); 1993 } 1994 1995 static void 1996 adaresume(void *arg) 1997 { 1998 struct cam_periph *periph; 1999 struct ada_softc *softc; 2000 2001 if (ada_spindown_suspend == 0) 2002 return; 2003 2004 CAM_PERIPH_FOREACH(periph, &adadriver) { 2005 cam_periph_lock(periph); 2006 softc = (struct ada_softc *)periph->softc; 2007 /* 2008 * We only spin-down the drive if it is capable of it.. 2009 */ 2010 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2011 cam_periph_unlock(periph); 2012 continue; 2013 } 2014 2015 if (bootverbose) 2016 xpt_print(periph->path, "resume\n"); 2017 2018 /* 2019 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on 2020 * sleep request. 2021 */ 2022 cam_release_devq(periph->path, 2023 /*relsim_flags*/0, 2024 /*openings*/0, 2025 /*timeout*/0, 2026 /*getcount_only*/0); 2027 2028 cam_periph_unlock(periph); 2029 } 2030 } 2031 2032 #endif /* _KERNEL */ 2033