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