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_PACK_INVALID = 0x0001, 78 ADA_FLAG_CAN_48BIT = 0x0002, 79 ADA_FLAG_CAN_FLUSHCACHE = 0x0004, 80 ADA_FLAG_CAN_NCQ = 0x0008, 81 ADA_FLAG_CAN_DMA = 0x0010, 82 ADA_FLAG_NEED_OTAG = 0x0020, 83 ADA_FLAG_WENT_IDLE = 0x0040, 84 ADA_FLAG_CAN_TRIM = 0x0080, 85 ADA_FLAG_OPEN = 0x0100, 86 ADA_FLAG_SCTX_INIT = 0x0200, 87 ADA_FLAG_CAN_CFA = 0x0400, 88 ADA_FLAG_CAN_POWERMGT = 0x0800, 89 ADA_FLAG_CAN_DMA48 = 0x1000 90 } ada_flags; 91 92 typedef enum { 93 ADA_Q_NONE = 0x00, 94 ADA_Q_4K = 0x01, 95 } ada_quirks; 96 97 typedef enum { 98 ADA_CCB_RAHEAD = 0x01, 99 ADA_CCB_WCACHE = 0x02, 100 ADA_CCB_BUFFER_IO = 0x03, 101 ADA_CCB_WAITING = 0x04, 102 ADA_CCB_DUMP = 0x05, 103 ADA_CCB_TRIM = 0x06, 104 ADA_CCB_TYPE_MASK = 0x0F, 105 } ada_ccb_state; 106 107 /* Offsets into our private area for storing information */ 108 #define ccb_state ppriv_field0 109 #define ccb_bp ppriv_ptr1 110 111 struct disk_params { 112 u_int8_t heads; 113 u_int8_t secs_per_track; 114 u_int32_t cylinders; 115 u_int32_t secsize; /* Number of bytes/logical sector */ 116 u_int64_t sectors; /* Total number sectors */ 117 }; 118 119 #define TRIM_MAX_BLOCKS 8 120 #define TRIM_MAX_RANGES (TRIM_MAX_BLOCKS * 64) 121 #define TRIM_MAX_BIOS (TRIM_MAX_RANGES * 4) 122 struct trim_request { 123 uint8_t data[TRIM_MAX_RANGES * 8]; 124 struct bio *bps[TRIM_MAX_BIOS]; 125 }; 126 127 struct ada_softc { 128 struct bio_queue_head bio_queue; 129 struct bio_queue_head trim_queue; 130 ada_state state; 131 ada_flags flags; 132 ada_quirks quirks; 133 int sort_io_queue; 134 int ordered_tag_count; 135 int outstanding_cmds; 136 int trim_max_ranges; 137 int trim_running; 138 int read_ahead; 139 int write_cache; 140 #ifdef ADA_TEST_FAILURE 141 int force_read_error; 142 int force_write_error; 143 int periodic_read_error; 144 int periodic_read_count; 145 #endif 146 struct disk_params params; 147 struct disk *disk; 148 struct task sysctl_task; 149 struct sysctl_ctx_list sysctl_ctx; 150 struct sysctl_oid *sysctl_tree; 151 struct callout sendordered_c; 152 struct trim_request trim_req; 153 }; 154 155 struct ada_quirk_entry { 156 struct scsi_inquiry_pattern inq_pat; 157 ada_quirks quirks; 158 }; 159 160 static struct ada_quirk_entry ada_quirk_table[] = 161 { 162 { 163 /* Hitachi Advanced Format (4k) drives */ 164 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Hitachi H??????????E3*", "*" }, 165 /*quirks*/ADA_Q_4K 166 }, 167 { 168 /* Samsung Advanced Format (4k) drives */ 169 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD155UI*", "*" }, 170 /*quirks*/ADA_Q_4K 171 }, 172 { 173 /* Samsung Advanced Format (4k) drives */ 174 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD204UI*", "*" }, 175 /*quirks*/ADA_Q_4K 176 }, 177 { 178 /* Seagate Barracuda Green Advanced Format (4k) drives */ 179 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DL*", "*" }, 180 /*quirks*/ADA_Q_4K 181 }, 182 { 183 /* Seagate Barracuda Advanced Format (4k) drives */ 184 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???DM*", "*" }, 185 /*quirks*/ADA_Q_4K 186 }, 187 { 188 /* Seagate Barracuda Advanced Format (4k) drives */ 189 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DM*", "*" }, 190 /*quirks*/ADA_Q_4K 191 }, 192 { 193 /* Seagate Momentus Advanced Format (4k) drives */ 194 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500423AS*", "*" }, 195 /*quirks*/ADA_Q_4K 196 }, 197 { 198 /* Seagate Momentus Advanced Format (4k) drives */ 199 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500424AS*", "*" }, 200 /*quirks*/ADA_Q_4K 201 }, 202 { 203 /* Seagate Momentus Advanced Format (4k) drives */ 204 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640423AS*", "*" }, 205 /*quirks*/ADA_Q_4K 206 }, 207 { 208 /* Seagate Momentus Advanced Format (4k) drives */ 209 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640424AS*", "*" }, 210 /*quirks*/ADA_Q_4K 211 }, 212 { 213 /* Seagate Momentus Advanced Format (4k) drives */ 214 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750420AS*", "*" }, 215 /*quirks*/ADA_Q_4K 216 }, 217 { 218 /* Seagate Momentus Advanced Format (4k) drives */ 219 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750422AS*", "*" }, 220 /*quirks*/ADA_Q_4K 221 }, 222 { 223 /* Seagate Momentus Advanced Format (4k) drives */ 224 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750423AS*", "*" }, 225 /*quirks*/ADA_Q_4K 226 }, 227 { 228 /* Seagate Momentus Thin Advanced Format (4k) drives */ 229 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???LT*", "*" }, 230 /*quirks*/ADA_Q_4K 231 }, 232 { 233 /* WDC Caviar Green Advanced Format (4k) drives */ 234 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RS*", "*" }, 235 /*quirks*/ADA_Q_4K 236 }, 237 { 238 /* WDC Caviar Green Advanced Format (4k) drives */ 239 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RX*", "*" }, 240 /*quirks*/ADA_Q_4K 241 }, 242 { 243 /* WDC Caviar Green Advanced Format (4k) drives */ 244 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RS*", "*" }, 245 /*quirks*/ADA_Q_4K 246 }, 247 { 248 /* WDC Caviar Green Advanced Format (4k) drives */ 249 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RX*", "*" }, 250 /*quirks*/ADA_Q_4K 251 }, 252 { 253 /* WDC Scorpio Black Advanced Format (4k) drives */ 254 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PKT*", "*" }, 255 /*quirks*/ADA_Q_4K 256 }, 257 { 258 /* WDC Scorpio Black Advanced Format (4k) drives */ 259 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PKT*", "*" }, 260 /*quirks*/ADA_Q_4K 261 }, 262 { 263 /* WDC Scorpio Blue Advanced Format (4k) drives */ 264 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PVT*", "*" }, 265 /*quirks*/ADA_Q_4K 266 }, 267 { 268 /* WDC Scorpio Blue Advanced Format (4k) drives */ 269 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PVT*", "*" }, 270 /*quirks*/ADA_Q_4K 271 }, 272 { 273 /* 274 * Corsair Force 2 SSDs 275 * 4k optimised & trim only works in 4k requests + 4k aligned 276 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 277 * PR: 169974 278 */ 279 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair CSSD-F*", "*" }, 280 /*quirks*/ADA_Q_4K 281 }, 282 { 283 /* 284 * Corsair Force 3 SSDs 285 * 4k optimised & trim only works in 4k requests + 4k aligned 286 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 287 * PR: 169974 288 */ 289 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force 3*", "*" }, 290 /*quirks*/ADA_Q_4K 291 }, 292 { 293 /* 294 * OCZ Agility 3 SSDs 295 * 4k optimised & trim only works in 4k requests + 4k aligned 296 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 297 * PR: 169974 298 */ 299 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY3*", "*" }, 300 /*quirks*/ADA_Q_4K 301 }, 302 { 303 /* 304 * OCZ Vertex 2 SSDs (inc pro series) 305 * 4k optimised & trim only works in 4k requests + 4k aligned 306 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 307 * PR: 169974 308 */ 309 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ?VERTEX2*", "*" }, 310 /*quirks*/ADA_Q_4K 311 }, 312 { 313 /* 314 * OCZ Vertex 3 SSDs 315 * 4k optimised & trim only works in 4k requests + 4k aligned 316 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 317 * PR: 169974 318 */ 319 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX3*", "*" }, 320 /*quirks*/ADA_Q_4K 321 }, 322 { 323 /* 324 * SuperTalent TeraDrive CT SSDs 325 * 4k optimised & trim only works in 4k requests + 4k aligned 326 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 327 * PR: 169974 328 */ 329 { T_DIRECT, SIP_MEDIA_FIXED, "*", "FTM??CT25H*", "*" }, 330 /*quirks*/ADA_Q_4K 331 }, 332 { 333 /* 334 * Crucial RealSSD C300 SSDs 335 * 4k optimised 336 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 337 * PR: 169974 338 */ 339 { T_DIRECT, SIP_MEDIA_FIXED, "*", "C300-CTFDDAC???MAG*", 340 "*" }, /*quirks*/ADA_Q_4K 341 }, 342 { 343 /* 344 * XceedIOPS SATA SSDs 345 * 4k optimised 346 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 347 * PR: 169974 348 */ 349 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SG9XCS2D*", "*" }, 350 /*quirks*/ADA_Q_4K 351 }, 352 { 353 /* 354 * Intel 330 Series SSDs 355 * 4k optimised & trim only works in 4k requests + 4k aligned 356 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 357 * PR: 169974 358 */ 359 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2ct*", "*" }, 360 /*quirks*/ADA_Q_4K 361 }, 362 { 363 /* 364 * OCZ Deneva R Series SSDs 365 * 4k optimised & trim only works in 4k requests + 4k aligned 366 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 367 * PR: 169974 368 */ 369 { T_DIRECT, SIP_MEDIA_FIXED, "*", "DENRSTE251M45*", "*" }, 370 /*quirks*/ADA_Q_4K 371 }, 372 { 373 /* 374 * Kingston HyperX 3k SSDs 375 * 4k optimised & trim only works in 4k requests + 4k aligned 376 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 377 * PR: 169974 378 */ 379 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SH103S3*", "*" }, 380 /*quirks*/ADA_Q_4K 381 }, 382 { 383 /* Default */ 384 { 385 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 386 /*vendor*/"*", /*product*/"*", /*revision*/"*" 387 }, 388 /*quirks*/0 389 }, 390 }; 391 392 static disk_strategy_t adastrategy; 393 static dumper_t adadump; 394 static periph_init_t adainit; 395 static void adaasync(void *callback_arg, u_int32_t code, 396 struct cam_path *path, void *arg); 397 static void adasysctlinit(void *context, int pending); 398 static periph_ctor_t adaregister; 399 static periph_dtor_t adacleanup; 400 static periph_start_t adastart; 401 static periph_oninv_t adaoninvalidate; 402 static void adadone(struct cam_periph *periph, 403 union ccb *done_ccb); 404 static int adaerror(union ccb *ccb, u_int32_t cam_flags, 405 u_int32_t sense_flags); 406 static void adagetparams(struct cam_periph *periph, 407 struct ccb_getdev *cgd); 408 static timeout_t adasendorderedtag; 409 static void adashutdown(void *arg, int howto); 410 static void adasuspend(void *arg); 411 static void adaresume(void *arg); 412 413 #ifndef ADA_DEFAULT_LEGACY_ALIASES 414 #define ADA_DEFAULT_LEGACY_ALIASES 1 415 #endif 416 417 #ifndef ADA_DEFAULT_TIMEOUT 418 #define ADA_DEFAULT_TIMEOUT 30 /* Timeout in seconds */ 419 #endif 420 421 #ifndef ADA_DEFAULT_RETRY 422 #define ADA_DEFAULT_RETRY 4 423 #endif 424 425 #ifndef ADA_DEFAULT_SEND_ORDERED 426 #define ADA_DEFAULT_SEND_ORDERED 1 427 #endif 428 429 #ifndef ADA_DEFAULT_SPINDOWN_SHUTDOWN 430 #define ADA_DEFAULT_SPINDOWN_SHUTDOWN 1 431 #endif 432 433 #ifndef ADA_DEFAULT_SPINDOWN_SUSPEND 434 #define ADA_DEFAULT_SPINDOWN_SUSPEND 1 435 #endif 436 437 #ifndef ADA_DEFAULT_READ_AHEAD 438 #define ADA_DEFAULT_READ_AHEAD 1 439 #endif 440 441 #ifndef ADA_DEFAULT_WRITE_CACHE 442 #define ADA_DEFAULT_WRITE_CACHE 1 443 #endif 444 445 #define ADA_RA (softc->read_ahead >= 0 ? \ 446 softc->read_ahead : ada_read_ahead) 447 #define ADA_WC (softc->write_cache >= 0 ? \ 448 softc->write_cache : ada_write_cache) 449 #define ADA_SIO (softc->sort_io_queue >= 0 ? \ 450 softc->sort_io_queue : cam_sort_io_queues) 451 452 /* 453 * Most platforms map firmware geometry to actual, but some don't. If 454 * not overridden, default to nothing. 455 */ 456 #ifndef ata_disk_firmware_geom_adjust 457 #define ata_disk_firmware_geom_adjust(disk) 458 #endif 459 460 static int ada_legacy_aliases = ADA_DEFAULT_LEGACY_ALIASES; 461 static int ada_retry_count = ADA_DEFAULT_RETRY; 462 static int ada_default_timeout = ADA_DEFAULT_TIMEOUT; 463 static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED; 464 static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN; 465 static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND; 466 static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD; 467 static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE; 468 469 static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD, 0, 470 "CAM Direct Access Disk driver"); 471 SYSCTL_INT(_kern_cam_ada, OID_AUTO, legacy_aliases, CTLFLAG_RW, 472 &ada_legacy_aliases, 0, "Create legacy-like device aliases"); 473 TUNABLE_INT("kern.cam.ada.legacy_aliases", &ada_legacy_aliases); 474 SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RW, 475 &ada_retry_count, 0, "Normal I/O retry count"); 476 TUNABLE_INT("kern.cam.ada.retry_count", &ada_retry_count); 477 SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RW, 478 &ada_default_timeout, 0, "Normal I/O timeout (in seconds)"); 479 TUNABLE_INT("kern.cam.ada.default_timeout", &ada_default_timeout); 480 SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RW, 481 &ada_send_ordered, 0, "Send Ordered Tags"); 482 TUNABLE_INT("kern.cam.ada.send_ordered", &ada_send_ordered); 483 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RW, 484 &ada_spindown_shutdown, 0, "Spin down upon shutdown"); 485 TUNABLE_INT("kern.cam.ada.spindown_shutdown", &ada_spindown_shutdown); 486 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RW, 487 &ada_spindown_suspend, 0, "Spin down upon suspend"); 488 TUNABLE_INT("kern.cam.ada.spindown_suspend", &ada_spindown_suspend); 489 SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RW, 490 &ada_read_ahead, 0, "Enable disk read-ahead"); 491 TUNABLE_INT("kern.cam.ada.read_ahead", &ada_read_ahead); 492 SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RW, 493 &ada_write_cache, 0, "Enable disk write cache"); 494 TUNABLE_INT("kern.cam.ada.write_cache", &ada_write_cache); 495 496 /* 497 * ADA_ORDEREDTAG_INTERVAL determines how often, relative 498 * to the default timeout, we check to see whether an ordered 499 * tagged transaction is appropriate to prevent simple tag 500 * starvation. Since we'd like to ensure that there is at least 501 * 1/2 of the timeout length left for a starved transaction to 502 * complete after we've sent an ordered tag, we must poll at least 503 * four times in every timeout period. This takes care of the worst 504 * case where a starved transaction starts during an interval that 505 * meets the requirement "don't send an ordered tag" test so it takes 506 * us two intervals to determine that a tag must be sent. 507 */ 508 #ifndef ADA_ORDEREDTAG_INTERVAL 509 #define ADA_ORDEREDTAG_INTERVAL 4 510 #endif 511 512 static struct periph_driver adadriver = 513 { 514 adainit, "ada", 515 TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0 516 }; 517 518 PERIPHDRIVER_DECLARE(ada, adadriver); 519 520 static MALLOC_DEFINE(M_ATADA, "ata_da", "ata_da buffers"); 521 522 static int 523 adaopen(struct disk *dp) 524 { 525 struct cam_periph *periph; 526 struct ada_softc *softc; 527 int error; 528 529 periph = (struct cam_periph *)dp->d_drv1; 530 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 531 return(ENXIO); 532 } 533 534 cam_periph_lock(periph); 535 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 536 cam_periph_unlock(periph); 537 cam_periph_release(periph); 538 return (error); 539 } 540 541 softc = (struct ada_softc *)periph->softc; 542 softc->flags |= ADA_FLAG_OPEN; 543 544 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 545 ("adaopen\n")); 546 547 if ((softc->flags & ADA_FLAG_PACK_INVALID) != 0) { 548 /* Invalidate our pack information. */ 549 softc->flags &= ~ADA_FLAG_PACK_INVALID; 550 } 551 552 cam_periph_unhold(periph); 553 cam_periph_unlock(periph); 554 return (0); 555 } 556 557 static int 558 adaclose(struct disk *dp) 559 { 560 struct cam_periph *periph; 561 struct ada_softc *softc; 562 union ccb *ccb; 563 564 periph = (struct cam_periph *)dp->d_drv1; 565 cam_periph_lock(periph); 566 if (cam_periph_hold(periph, PRIBIO) != 0) { 567 cam_periph_unlock(periph); 568 cam_periph_release(periph); 569 return (0); 570 } 571 572 softc = (struct ada_softc *)periph->softc; 573 574 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 575 ("adaclose\n")); 576 577 /* We only sync the cache if the drive is capable of it. */ 578 if ((softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 && 579 (softc->flags & ADA_FLAG_PACK_INVALID) == 0) { 580 581 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 582 cam_fill_ataio(&ccb->ataio, 583 1, 584 adadone, 585 CAM_DIR_NONE, 586 0, 587 NULL, 588 0, 589 ada_default_timeout*1000); 590 591 if (softc->flags & ADA_FLAG_CAN_48BIT) 592 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 593 else 594 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 595 cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 596 /*sense_flags*/0, softc->disk->d_devstat); 597 598 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 599 xpt_print(periph->path, "Synchronize cache failed\n"); 600 xpt_release_ccb(ccb); 601 } 602 603 softc->flags &= ~ADA_FLAG_OPEN; 604 cam_periph_unhold(periph); 605 cam_periph_unlock(periph); 606 cam_periph_release(periph); 607 return (0); 608 } 609 610 static void 611 adaschedule(struct cam_periph *periph) 612 { 613 struct ada_softc *softc = (struct ada_softc *)periph->softc; 614 uint32_t prio; 615 616 if (softc->state != ADA_STATE_NORMAL) 617 return; 618 619 /* Check if cam_periph_getccb() was called. */ 620 prio = periph->immediate_priority; 621 622 /* Check if we have more work to do. */ 623 if (bioq_first(&softc->bio_queue) || 624 (!softc->trim_running && bioq_first(&softc->trim_queue))) { 625 prio = CAM_PRIORITY_NORMAL; 626 } 627 628 /* Schedule CCB if any of above is true. */ 629 if (prio != CAM_PRIORITY_NONE) 630 xpt_schedule(periph, prio); 631 } 632 633 /* 634 * Actually translate the requested transfer into one the physical driver 635 * can understand. The transfer is described by a buf and will include 636 * only one physical transfer. 637 */ 638 static void 639 adastrategy(struct bio *bp) 640 { 641 struct cam_periph *periph; 642 struct ada_softc *softc; 643 644 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 645 softc = (struct ada_softc *)periph->softc; 646 647 cam_periph_lock(periph); 648 649 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp)); 650 651 /* 652 * If the device has been made invalid, error out 653 */ 654 if ((softc->flags & ADA_FLAG_PACK_INVALID)) { 655 cam_periph_unlock(periph); 656 biofinish(bp, NULL, ENXIO); 657 return; 658 } 659 660 /* 661 * Place it in the queue of disk activities for this disk 662 */ 663 if (bp->bio_cmd == BIO_DELETE && 664 (softc->flags & ADA_FLAG_CAN_TRIM)) { 665 if (ADA_SIO) 666 bioq_disksort(&softc->trim_queue, bp); 667 else 668 bioq_insert_tail(&softc->trim_queue, bp); 669 } else { 670 if (ADA_SIO) 671 bioq_disksort(&softc->bio_queue, bp); 672 else 673 bioq_insert_tail(&softc->bio_queue, bp); 674 } 675 676 /* 677 * Schedule ourselves for performing the work. 678 */ 679 adaschedule(periph); 680 cam_periph_unlock(periph); 681 682 return; 683 } 684 685 static int 686 adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 687 { 688 struct cam_periph *periph; 689 struct ada_softc *softc; 690 u_int secsize; 691 union ccb ccb; 692 struct disk *dp; 693 uint64_t lba; 694 uint16_t count; 695 int error = 0; 696 697 dp = arg; 698 periph = dp->d_drv1; 699 softc = (struct ada_softc *)periph->softc; 700 cam_periph_lock(periph); 701 secsize = softc->params.secsize; 702 lba = offset / secsize; 703 count = length / secsize; 704 705 if ((softc->flags & ADA_FLAG_PACK_INVALID) != 0) { 706 cam_periph_unlock(periph); 707 return (ENXIO); 708 } 709 710 if (length > 0) { 711 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 712 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 713 cam_fill_ataio(&ccb.ataio, 714 0, 715 adadone, 716 CAM_DIR_OUT, 717 0, 718 (u_int8_t *) virtual, 719 length, 720 ada_default_timeout*1000); 721 if ((softc->flags & ADA_FLAG_CAN_48BIT) && 722 (lba + count >= ATA_MAX_28BIT_LBA || 723 count >= 256)) { 724 ata_48bit_cmd(&ccb.ataio, ATA_WRITE_DMA48, 725 0, lba, count); 726 } else { 727 ata_28bit_cmd(&ccb.ataio, ATA_WRITE_DMA, 728 0, lba, count); 729 } 730 xpt_polled_action(&ccb); 731 732 error = cam_periph_error(&ccb, 733 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 734 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 735 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 736 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 737 if (error != 0) 738 printf("Aborting dump due to I/O error.\n"); 739 740 cam_periph_unlock(periph); 741 return (error); 742 } 743 744 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { 745 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 746 747 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 748 cam_fill_ataio(&ccb.ataio, 749 0, 750 adadone, 751 CAM_DIR_NONE, 752 0, 753 NULL, 754 0, 755 ada_default_timeout*1000); 756 757 if (softc->flags & ADA_FLAG_CAN_48BIT) 758 ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); 759 else 760 ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); 761 xpt_polled_action(&ccb); 762 763 error = cam_periph_error(&ccb, 764 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 765 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 766 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 767 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 768 if (error != 0) 769 xpt_print(periph->path, "Synchronize cache failed\n"); 770 } 771 cam_periph_unlock(periph); 772 return (error); 773 } 774 775 static void 776 adainit(void) 777 { 778 cam_status status; 779 780 /* 781 * Install a global async callback. This callback will 782 * receive async callbacks like "new device found". 783 */ 784 status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL); 785 786 if (status != CAM_REQ_CMP) { 787 printf("ada: Failed to attach master async callback " 788 "due to status 0x%x!\n", status); 789 } else if (ada_send_ordered) { 790 791 /* Register our event handlers */ 792 if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend, 793 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 794 printf("adainit: power event registration failed!\n"); 795 if ((EVENTHANDLER_REGISTER(power_resume, adaresume, 796 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 797 printf("adainit: power event registration failed!\n"); 798 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown, 799 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 800 printf("adainit: shutdown event registration failed!\n"); 801 } 802 } 803 804 static void 805 adaoninvalidate(struct cam_periph *periph) 806 { 807 struct ada_softc *softc; 808 809 softc = (struct ada_softc *)periph->softc; 810 811 /* 812 * De-register any async callbacks. 813 */ 814 xpt_register_async(0, adaasync, periph, periph->path); 815 816 softc->flags |= ADA_FLAG_PACK_INVALID; 817 818 /* 819 * Return all queued I/O with ENXIO. 820 * XXX Handle any transactions queued to the card 821 * with XPT_ABORT_CCB. 822 */ 823 bioq_flush(&softc->bio_queue, NULL, ENXIO); 824 bioq_flush(&softc->trim_queue, NULL, ENXIO); 825 826 disk_gone(softc->disk); 827 xpt_print(periph->path, "lost device\n"); 828 } 829 830 static void 831 adacleanup(struct cam_periph *periph) 832 { 833 struct ada_softc *softc; 834 835 softc = (struct ada_softc *)periph->softc; 836 837 xpt_print(periph->path, "removing device entry\n"); 838 cam_periph_unlock(periph); 839 840 /* 841 * If we can't free the sysctl tree, oh well... 842 */ 843 if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0 844 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 845 xpt_print(periph->path, "can't remove sysctl context\n"); 846 } 847 848 disk_destroy(softc->disk); 849 callout_drain(&softc->sendordered_c); 850 free(softc, M_DEVBUF); 851 cam_periph_lock(periph); 852 } 853 854 static void 855 adaasync(void *callback_arg, u_int32_t code, 856 struct cam_path *path, void *arg) 857 { 858 struct ccb_getdev cgd; 859 struct cam_periph *periph; 860 struct ada_softc *softc; 861 862 periph = (struct cam_periph *)callback_arg; 863 switch (code) { 864 case AC_FOUND_DEVICE: 865 { 866 struct ccb_getdev *cgd; 867 cam_status status; 868 869 cgd = (struct ccb_getdev *)arg; 870 if (cgd == NULL) 871 break; 872 873 if (cgd->protocol != PROTO_ATA) 874 break; 875 876 /* 877 * Allocate a peripheral instance for 878 * this device and start the probe 879 * process. 880 */ 881 status = cam_periph_alloc(adaregister, adaoninvalidate, 882 adacleanup, adastart, 883 "ada", CAM_PERIPH_BIO, 884 cgd->ccb_h.path, adaasync, 885 AC_FOUND_DEVICE, cgd); 886 887 if (status != CAM_REQ_CMP 888 && status != CAM_REQ_INPROG) 889 printf("adaasync: Unable to attach to new device " 890 "due to status 0x%x\n", status); 891 break; 892 } 893 case AC_GETDEV_CHANGED: 894 { 895 softc = (struct ada_softc *)periph->softc; 896 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 897 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 898 xpt_action((union ccb *)&cgd); 899 900 if ((cgd.ident_data.capabilities1 & ATA_SUPPORT_DMA) && 901 (cgd.inq_flags & SID_DMA)) 902 softc->flags |= ADA_FLAG_CAN_DMA; 903 else 904 softc->flags &= ~ADA_FLAG_CAN_DMA; 905 if (cgd.ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 906 softc->flags |= ADA_FLAG_CAN_48BIT; 907 if (cgd.inq_flags & SID_DMA48) 908 softc->flags |= ADA_FLAG_CAN_DMA48; 909 else 910 softc->flags &= ~ADA_FLAG_CAN_DMA48; 911 } else 912 softc->flags &= ~(ADA_FLAG_CAN_48BIT | 913 ADA_FLAG_CAN_DMA48); 914 if ((cgd.ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 915 (cgd.inq_flags & SID_DMA) && (cgd.inq_flags & SID_CmdQue)) 916 softc->flags |= ADA_FLAG_CAN_NCQ; 917 else 918 softc->flags &= ~ADA_FLAG_CAN_NCQ; 919 if ((cgd.ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 920 (cgd.inq_flags & SID_DMA)) 921 softc->flags |= ADA_FLAG_CAN_TRIM; 922 else 923 softc->flags &= ~ADA_FLAG_CAN_TRIM; 924 925 cam_periph_async(periph, code, path, arg); 926 break; 927 } 928 case AC_ADVINFO_CHANGED: 929 { 930 uintptr_t buftype; 931 932 buftype = (uintptr_t)arg; 933 if (buftype == CDAI_TYPE_PHYS_PATH) { 934 struct ada_softc *softc; 935 936 softc = periph->softc; 937 disk_attr_changed(softc->disk, "GEOM::physpath", 938 M_NOWAIT); 939 } 940 break; 941 } 942 case AC_SENT_BDR: 943 case AC_BUS_RESET: 944 { 945 softc = (struct ada_softc *)periph->softc; 946 cam_periph_async(periph, code, path, arg); 947 if (softc->state != ADA_STATE_NORMAL) 948 break; 949 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 950 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 951 xpt_action((union ccb *)&cgd); 952 if (ADA_RA >= 0 && 953 cgd.ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) 954 softc->state = ADA_STATE_RAHEAD; 955 else if (ADA_WC >= 0 && 956 cgd.ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) 957 softc->state = ADA_STATE_WCACHE; 958 else 959 break; 960 cam_periph_acquire(periph); 961 cam_freeze_devq_arg(periph->path, 962 RELSIM_RELEASE_RUNLEVEL, CAM_RL_DEV + 1); 963 xpt_schedule(periph, CAM_PRIORITY_DEV); 964 } 965 default: 966 cam_periph_async(periph, code, path, arg); 967 break; 968 } 969 } 970 971 static void 972 adasysctlinit(void *context, int pending) 973 { 974 struct cam_periph *periph; 975 struct ada_softc *softc; 976 char tmpstr[80], tmpstr2[80]; 977 978 periph = (struct cam_periph *)context; 979 980 /* periph was held for us when this task was enqueued */ 981 if (periph->flags & CAM_PERIPH_INVALID) { 982 cam_periph_release(periph); 983 return; 984 } 985 986 softc = (struct ada_softc *)periph->softc; 987 snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d", periph->unit_number); 988 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 989 990 sysctl_ctx_init(&softc->sysctl_ctx); 991 softc->flags |= ADA_FLAG_SCTX_INIT; 992 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 993 SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2, 994 CTLFLAG_RD, 0, tmpstr); 995 if (softc->sysctl_tree == NULL) { 996 printf("adasysctlinit: unable to allocate sysctl tree\n"); 997 cam_periph_release(periph); 998 return; 999 } 1000 1001 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1002 OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE, 1003 &softc->read_ahead, 0, "Enable disk read ahead."); 1004 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1005 OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE, 1006 &softc->write_cache, 0, "Enable disk write cache."); 1007 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1008 OID_AUTO, "sort_io_queue", CTLFLAG_RW | CTLFLAG_MPSAFE, 1009 &softc->sort_io_queue, 0, 1010 "Sort IO queue to try and optimise disk access patterns"); 1011 #ifdef ADA_TEST_FAILURE 1012 /* 1013 * Add a 'door bell' sysctl which allows one to set it from userland 1014 * and cause something bad to happen. For the moment, we only allow 1015 * whacking the next read or write. 1016 */ 1017 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1018 OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1019 &softc->force_read_error, 0, 1020 "Force a read error for the next N reads."); 1021 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1022 OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1023 &softc->force_write_error, 0, 1024 "Force a write error for the next N writes."); 1025 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1026 OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1027 &softc->periodic_read_error, 0, 1028 "Force a read error every N reads (don't set too low)."); 1029 #endif 1030 cam_periph_release(periph); 1031 } 1032 1033 static int 1034 adagetattr(struct bio *bp) 1035 { 1036 int ret; 1037 struct cam_periph *periph; 1038 1039 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1040 cam_periph_lock(periph); 1041 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1042 periph->path); 1043 cam_periph_unlock(periph); 1044 if (ret == 0) 1045 bp->bio_completed = bp->bio_length; 1046 return ret; 1047 } 1048 1049 static cam_status 1050 adaregister(struct cam_periph *periph, void *arg) 1051 { 1052 struct ada_softc *softc; 1053 struct ccb_pathinq cpi; 1054 struct ccb_getdev *cgd; 1055 char announce_buf[80], buf1[32]; 1056 struct disk_params *dp; 1057 caddr_t match; 1058 u_int maxio; 1059 int legacy_id, quirks; 1060 1061 cgd = (struct ccb_getdev *)arg; 1062 if (cgd == NULL) { 1063 printf("adaregister: no getdev CCB, can't register device\n"); 1064 return(CAM_REQ_CMP_ERR); 1065 } 1066 1067 softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF, 1068 M_NOWAIT|M_ZERO); 1069 1070 if (softc == NULL) { 1071 printf("adaregister: Unable to probe new device. " 1072 "Unable to allocate softc\n"); 1073 return(CAM_REQ_CMP_ERR); 1074 } 1075 1076 bioq_init(&softc->bio_queue); 1077 bioq_init(&softc->trim_queue); 1078 1079 if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1080 (cgd->inq_flags & SID_DMA)) 1081 softc->flags |= ADA_FLAG_CAN_DMA; 1082 if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1083 softc->flags |= ADA_FLAG_CAN_48BIT; 1084 if (cgd->inq_flags & SID_DMA48) 1085 softc->flags |= ADA_FLAG_CAN_DMA48; 1086 } 1087 if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE) 1088 softc->flags |= ADA_FLAG_CAN_FLUSHCACHE; 1089 if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT) 1090 softc->flags |= ADA_FLAG_CAN_POWERMGT; 1091 if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1092 (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue)) 1093 softc->flags |= ADA_FLAG_CAN_NCQ; 1094 if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1095 (cgd->inq_flags & SID_DMA)) { 1096 softc->flags |= ADA_FLAG_CAN_TRIM; 1097 softc->trim_max_ranges = TRIM_MAX_RANGES; 1098 if (cgd->ident_data.max_dsm_blocks != 0) { 1099 softc->trim_max_ranges = 1100 min(cgd->ident_data.max_dsm_blocks * 64, 1101 softc->trim_max_ranges); 1102 } 1103 } 1104 if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA) 1105 softc->flags |= ADA_FLAG_CAN_CFA; 1106 1107 periph->softc = softc; 1108 1109 /* 1110 * See if this device has any quirks. 1111 */ 1112 match = cam_quirkmatch((caddr_t)&cgd->ident_data, 1113 (caddr_t)ada_quirk_table, 1114 sizeof(ada_quirk_table)/sizeof(*ada_quirk_table), 1115 sizeof(*ada_quirk_table), ata_identify_match); 1116 if (match != NULL) 1117 softc->quirks = ((struct ada_quirk_entry *)match)->quirks; 1118 else 1119 softc->quirks = ADA_Q_NONE; 1120 1121 bzero(&cpi, sizeof(cpi)); 1122 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 1123 cpi.ccb_h.func_code = XPT_PATH_INQ; 1124 xpt_action((union ccb *)&cpi); 1125 1126 TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph); 1127 1128 /* 1129 * Register this media as a disk 1130 */ 1131 (void)cam_periph_hold(periph, PRIBIO); 1132 cam_periph_unlock(periph); 1133 snprintf(announce_buf, sizeof(announce_buf), 1134 "kern.cam.ada.%d.quirks", periph->unit_number); 1135 quirks = softc->quirks; 1136 TUNABLE_INT_FETCH(announce_buf, &quirks); 1137 softc->quirks = quirks; 1138 softc->read_ahead = -1; 1139 snprintf(announce_buf, sizeof(announce_buf), 1140 "kern.cam.ada.%d.read_ahead", periph->unit_number); 1141 TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead); 1142 softc->write_cache = -1; 1143 snprintf(announce_buf, sizeof(announce_buf), 1144 "kern.cam.ada.%d.write_cache", periph->unit_number); 1145 TUNABLE_INT_FETCH(announce_buf, &softc->write_cache); 1146 softc->sort_io_queue = -1; 1147 adagetparams(periph, cgd); 1148 softc->disk = disk_alloc(); 1149 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1150 periph->unit_number, softc->params.secsize, 1151 DEVSTAT_ALL_SUPPORTED, 1152 DEVSTAT_TYPE_DIRECT | 1153 XPORT_DEVSTAT_TYPE(cpi.transport), 1154 DEVSTAT_PRIORITY_DISK); 1155 softc->disk->d_open = adaopen; 1156 softc->disk->d_close = adaclose; 1157 softc->disk->d_strategy = adastrategy; 1158 softc->disk->d_getattr = adagetattr; 1159 softc->disk->d_dump = adadump; 1160 softc->disk->d_name = "ada"; 1161 softc->disk->d_drv1 = periph; 1162 maxio = cpi.maxio; /* Honor max I/O size of SIM */ 1163 if (maxio == 0) 1164 maxio = DFLTPHYS; /* traditional default */ 1165 else if (maxio > MAXPHYS) 1166 maxio = MAXPHYS; /* for safety */ 1167 if (softc->flags & ADA_FLAG_CAN_48BIT) 1168 maxio = min(maxio, 65536 * softc->params.secsize); 1169 else /* 28bit ATA command limit */ 1170 maxio = min(maxio, 256 * softc->params.secsize); 1171 softc->disk->d_maxsize = maxio; 1172 softc->disk->d_unit = periph->unit_number; 1173 softc->disk->d_flags = 0; 1174 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) 1175 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1176 if ((softc->flags & ADA_FLAG_CAN_TRIM) || 1177 ((softc->flags & ADA_FLAG_CAN_CFA) && 1178 !(softc->flags & ADA_FLAG_CAN_48BIT))) 1179 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1180 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) 1181 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 1182 strlcpy(softc->disk->d_descr, cgd->ident_data.model, 1183 MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model))); 1184 strlcpy(softc->disk->d_ident, cgd->ident_data.serial, 1185 MIN(sizeof(softc->disk->d_ident), sizeof(cgd->ident_data.serial))); 1186 softc->disk->d_hba_vendor = cpi.hba_vendor; 1187 softc->disk->d_hba_device = cpi.hba_device; 1188 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1189 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1190 1191 softc->disk->d_sectorsize = softc->params.secsize; 1192 softc->disk->d_mediasize = (off_t)softc->params.sectors * 1193 softc->params.secsize; 1194 if (ata_physical_sector_size(&cgd->ident_data) != 1195 softc->params.secsize) { 1196 softc->disk->d_stripesize = 1197 ata_physical_sector_size(&cgd->ident_data); 1198 softc->disk->d_stripeoffset = (softc->disk->d_stripesize - 1199 ata_logical_sector_offset(&cgd->ident_data)) % 1200 softc->disk->d_stripesize; 1201 } else if (softc->quirks & ADA_Q_4K) { 1202 softc->disk->d_stripesize = 4096; 1203 softc->disk->d_stripeoffset = 0; 1204 } 1205 softc->disk->d_fwsectors = softc->params.secs_per_track; 1206 softc->disk->d_fwheads = softc->params.heads; 1207 ata_disk_firmware_geom_adjust(softc->disk); 1208 1209 if (ada_legacy_aliases) { 1210 #ifdef ATA_STATIC_ID 1211 legacy_id = xpt_path_legacy_ata_id(periph->path); 1212 #else 1213 legacy_id = softc->disk->d_unit; 1214 #endif 1215 if (legacy_id >= 0) { 1216 snprintf(announce_buf, sizeof(announce_buf), 1217 "kern.devalias.%s%d", 1218 softc->disk->d_name, softc->disk->d_unit); 1219 snprintf(buf1, sizeof(buf1), 1220 "ad%d", legacy_id); 1221 setenv(announce_buf, buf1); 1222 } 1223 } else 1224 legacy_id = -1; 1225 disk_create(softc->disk, DISK_VERSION); 1226 cam_periph_lock(periph); 1227 cam_periph_unhold(periph); 1228 1229 dp = &softc->params; 1230 snprintf(announce_buf, sizeof(announce_buf), 1231 "%juMB (%ju %u byte sectors: %dH %dS/T %dC)", 1232 (uintmax_t)(((uintmax_t)dp->secsize * 1233 dp->sectors) / (1024*1024)), 1234 (uintmax_t)dp->sectors, 1235 dp->secsize, dp->heads, 1236 dp->secs_per_track, dp->cylinders); 1237 xpt_announce_periph(periph, announce_buf); 1238 if (legacy_id >= 0) 1239 printf("%s%d: Previously was known as ad%d\n", 1240 periph->periph_name, periph->unit_number, legacy_id); 1241 1242 /* 1243 * Create our sysctl variables, now that we know 1244 * we have successfully attached. 1245 */ 1246 cam_periph_acquire(periph); 1247 taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task); 1248 1249 /* 1250 * Add async callbacks for bus reset and 1251 * bus device reset calls. I don't bother 1252 * checking if this fails as, in most cases, 1253 * the system will function just fine without 1254 * them and the only alternative would be to 1255 * not attach the device on failure. 1256 */ 1257 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 1258 AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED, 1259 adaasync, periph, periph->path); 1260 1261 /* 1262 * Schedule a periodic event to occasionally send an 1263 * ordered tag to a device. 1264 */ 1265 callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0); 1266 callout_reset(&softc->sendordered_c, 1267 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1268 adasendorderedtag, softc); 1269 1270 if (ADA_RA >= 0 && 1271 cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) { 1272 softc->state = ADA_STATE_RAHEAD; 1273 cam_periph_acquire(periph); 1274 cam_freeze_devq_arg(periph->path, 1275 RELSIM_RELEASE_RUNLEVEL, CAM_RL_DEV + 1); 1276 xpt_schedule(periph, CAM_PRIORITY_DEV); 1277 } else if (ADA_WC >= 0 && 1278 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1279 softc->state = ADA_STATE_WCACHE; 1280 cam_periph_acquire(periph); 1281 cam_freeze_devq_arg(periph->path, 1282 RELSIM_RELEASE_RUNLEVEL, CAM_RL_DEV + 1); 1283 xpt_schedule(periph, CAM_PRIORITY_DEV); 1284 } else 1285 softc->state = ADA_STATE_NORMAL; 1286 1287 return(CAM_REQ_CMP); 1288 } 1289 1290 static void 1291 adastart(struct cam_periph *periph, union ccb *start_ccb) 1292 { 1293 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1294 struct ccb_ataio *ataio = &start_ccb->ataio; 1295 1296 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n")); 1297 1298 switch (softc->state) { 1299 case ADA_STATE_NORMAL: 1300 { 1301 struct bio *bp; 1302 u_int8_t tag_code; 1303 1304 /* Execute immediate CCB if waiting. */ 1305 if (periph->immediate_priority <= periph->pinfo.priority) { 1306 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1307 ("queuing for immediate ccb\n")); 1308 start_ccb->ccb_h.ccb_state = ADA_CCB_WAITING; 1309 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1310 periph_links.sle); 1311 periph->immediate_priority = CAM_PRIORITY_NONE; 1312 wakeup(&periph->ccb_list); 1313 /* Have more work to do, so ensure we stay scheduled */ 1314 adaschedule(periph); 1315 break; 1316 } 1317 /* Run TRIM if not running yet. */ 1318 if (!softc->trim_running && 1319 (bp = bioq_first(&softc->trim_queue)) != 0) { 1320 struct trim_request *req = &softc->trim_req; 1321 struct bio *bp1; 1322 uint64_t lastlba = (uint64_t)-1; 1323 int bps = 0, c, lastcount = 0, off, ranges = 0; 1324 1325 softc->trim_running = 1; 1326 bzero(req, sizeof(*req)); 1327 bp1 = bp; 1328 do { 1329 uint64_t lba = bp1->bio_pblkno; 1330 int count = bp1->bio_bcount / 1331 softc->params.secsize; 1332 1333 bioq_remove(&softc->trim_queue, bp1); 1334 1335 /* Try to extend the previous range. */ 1336 if (lba == lastlba) { 1337 c = min(count, 0xffff - lastcount); 1338 lastcount += c; 1339 off = (ranges - 1) * 8; 1340 req->data[off + 6] = lastcount & 0xff; 1341 req->data[off + 7] = 1342 (lastcount >> 8) & 0xff; 1343 count -= c; 1344 lba += c; 1345 } 1346 1347 while (count > 0) { 1348 c = min(count, 0xffff); 1349 off = ranges * 8; 1350 req->data[off + 0] = lba & 0xff; 1351 req->data[off + 1] = (lba >> 8) & 0xff; 1352 req->data[off + 2] = (lba >> 16) & 0xff; 1353 req->data[off + 3] = (lba >> 24) & 0xff; 1354 req->data[off + 4] = (lba >> 32) & 0xff; 1355 req->data[off + 5] = (lba >> 40) & 0xff; 1356 req->data[off + 6] = c & 0xff; 1357 req->data[off + 7] = (c >> 8) & 0xff; 1358 lba += c; 1359 count -= c; 1360 lastcount = c; 1361 ranges++; 1362 } 1363 lastlba = lba; 1364 req->bps[bps++] = bp1; 1365 bp1 = bioq_first(&softc->trim_queue); 1366 if (bps >= TRIM_MAX_BIOS || 1367 bp1 == NULL || 1368 bp1->bio_bcount / softc->params.secsize > 1369 (softc->trim_max_ranges - ranges) * 0xffff) 1370 break; 1371 } while (1); 1372 cam_fill_ataio(ataio, 1373 ada_retry_count, 1374 adadone, 1375 CAM_DIR_OUT, 1376 0, 1377 req->data, 1378 ((ranges + 63) / 64) * 512, 1379 ada_default_timeout * 1000); 1380 ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT, 1381 ATA_DSM_TRIM, 0, (ranges + 63) / 64); 1382 start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM; 1383 goto out; 1384 } 1385 /* Run regular command. */ 1386 bp = bioq_first(&softc->bio_queue); 1387 if (bp == NULL) { 1388 xpt_release_ccb(start_ccb); 1389 break; 1390 } 1391 bioq_remove(&softc->bio_queue, bp); 1392 1393 if ((bp->bio_flags & BIO_ORDERED) != 0 1394 || (softc->flags & ADA_FLAG_NEED_OTAG) != 0) { 1395 softc->flags &= ~ADA_FLAG_NEED_OTAG; 1396 softc->ordered_tag_count++; 1397 tag_code = 0; 1398 } else { 1399 tag_code = 1; 1400 } 1401 switch (bp->bio_cmd) { 1402 case BIO_READ: 1403 case BIO_WRITE: 1404 { 1405 uint64_t lba = bp->bio_pblkno; 1406 uint16_t count = bp->bio_bcount / softc->params.secsize; 1407 #ifdef ADA_TEST_FAILURE 1408 int fail = 0; 1409 1410 /* 1411 * Support the failure ioctls. If the command is a 1412 * read, and there are pending forced read errors, or 1413 * if a write and pending write errors, then fail this 1414 * operation with EIO. This is useful for testing 1415 * purposes. Also, support having every Nth read fail. 1416 * 1417 * This is a rather blunt tool. 1418 */ 1419 if (bp->bio_cmd == BIO_READ) { 1420 if (softc->force_read_error) { 1421 softc->force_read_error--; 1422 fail = 1; 1423 } 1424 if (softc->periodic_read_error > 0) { 1425 if (++softc->periodic_read_count >= 1426 softc->periodic_read_error) { 1427 softc->periodic_read_count = 0; 1428 fail = 1; 1429 } 1430 } 1431 } else { 1432 if (softc->force_write_error) { 1433 softc->force_write_error--; 1434 fail = 1; 1435 } 1436 } 1437 if (fail) { 1438 bp->bio_error = EIO; 1439 bp->bio_flags |= BIO_ERROR; 1440 biodone(bp); 1441 xpt_release_ccb(start_ccb); 1442 adaschedule(periph); 1443 return; 1444 } 1445 #endif 1446 KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 || 1447 round_page(bp->bio_bcount + bp->bio_ma_offset) / 1448 PAGE_SIZE == bp->bio_ma_n, 1449 ("Short bio %p", bp)); 1450 cam_fill_ataio(ataio, 1451 ada_retry_count, 1452 adadone, 1453 (bp->bio_cmd == BIO_READ ? CAM_DIR_IN : 1454 CAM_DIR_OUT) | ((bp->bio_flags & BIO_UNMAPPED) 1455 != 0 ? CAM_DATA_BIO : 0), 1456 tag_code, 1457 ((bp->bio_flags & BIO_UNMAPPED) != 0) ? (void *)bp : 1458 bp->bio_data, 1459 bp->bio_bcount, 1460 ada_default_timeout*1000); 1461 1462 if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) { 1463 if (bp->bio_cmd == BIO_READ) { 1464 ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED, 1465 lba, count); 1466 } else { 1467 ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED, 1468 lba, count); 1469 } 1470 } else if ((softc->flags & ADA_FLAG_CAN_48BIT) && 1471 (lba + count >= ATA_MAX_28BIT_LBA || 1472 count > 256)) { 1473 if (softc->flags & ADA_FLAG_CAN_DMA48) { 1474 if (bp->bio_cmd == BIO_READ) { 1475 ata_48bit_cmd(ataio, ATA_READ_DMA48, 1476 0, lba, count); 1477 } else { 1478 ata_48bit_cmd(ataio, ATA_WRITE_DMA48, 1479 0, lba, count); 1480 } 1481 } else { 1482 if (bp->bio_cmd == BIO_READ) { 1483 ata_48bit_cmd(ataio, ATA_READ_MUL48, 1484 0, lba, count); 1485 } else { 1486 ata_48bit_cmd(ataio, ATA_WRITE_MUL48, 1487 0, lba, count); 1488 } 1489 } 1490 } else { 1491 if (count == 256) 1492 count = 0; 1493 if (softc->flags & ADA_FLAG_CAN_DMA) { 1494 if (bp->bio_cmd == BIO_READ) { 1495 ata_28bit_cmd(ataio, ATA_READ_DMA, 1496 0, lba, count); 1497 } else { 1498 ata_28bit_cmd(ataio, ATA_WRITE_DMA, 1499 0, lba, count); 1500 } 1501 } else { 1502 if (bp->bio_cmd == BIO_READ) { 1503 ata_28bit_cmd(ataio, ATA_READ_MUL, 1504 0, lba, count); 1505 } else { 1506 ata_28bit_cmd(ataio, ATA_WRITE_MUL, 1507 0, lba, count); 1508 } 1509 } 1510 } 1511 break; 1512 } 1513 case BIO_DELETE: 1514 { 1515 uint64_t lba = bp->bio_pblkno; 1516 uint16_t count = bp->bio_bcount / softc->params.secsize; 1517 1518 cam_fill_ataio(ataio, 1519 ada_retry_count, 1520 adadone, 1521 CAM_DIR_NONE, 1522 0, 1523 NULL, 1524 0, 1525 ada_default_timeout*1000); 1526 1527 if (count >= 256) 1528 count = 0; 1529 ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count); 1530 break; 1531 } 1532 case BIO_FLUSH: 1533 cam_fill_ataio(ataio, 1534 1, 1535 adadone, 1536 CAM_DIR_NONE, 1537 0, 1538 NULL, 1539 0, 1540 ada_default_timeout*1000); 1541 1542 if (softc->flags & ADA_FLAG_CAN_48BIT) 1543 ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1544 else 1545 ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0); 1546 break; 1547 } 1548 start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO; 1549 out: 1550 start_ccb->ccb_h.ccb_bp = bp; 1551 softc->outstanding_cmds++; 1552 xpt_action(start_ccb); 1553 1554 /* May have more work to do, so ensure we stay scheduled */ 1555 adaschedule(periph); 1556 break; 1557 } 1558 case ADA_STATE_RAHEAD: 1559 case ADA_STATE_WCACHE: 1560 { 1561 if (softc->flags & ADA_FLAG_PACK_INVALID) { 1562 softc->state = ADA_STATE_NORMAL; 1563 xpt_release_ccb(start_ccb); 1564 cam_release_devq(periph->path, 1565 RELSIM_RELEASE_RUNLEVEL, 0, CAM_RL_DEV + 1, FALSE); 1566 adaschedule(periph); 1567 cam_periph_release_locked(periph); 1568 return; 1569 } 1570 1571 cam_fill_ataio(ataio, 1572 1, 1573 adadone, 1574 CAM_DIR_NONE, 1575 0, 1576 NULL, 1577 0, 1578 ada_default_timeout*1000); 1579 1580 if (softc->state == ADA_STATE_RAHEAD) { 1581 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ? 1582 ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0); 1583 start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD; 1584 } else { 1585 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ? 1586 ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0); 1587 start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE; 1588 } 1589 xpt_action(start_ccb); 1590 break; 1591 } 1592 } 1593 } 1594 1595 static void 1596 adadone(struct cam_periph *periph, union ccb *done_ccb) 1597 { 1598 struct ada_softc *softc; 1599 struct ccb_ataio *ataio; 1600 struct ccb_getdev *cgd; 1601 1602 softc = (struct ada_softc *)periph->softc; 1603 ataio = &done_ccb->ataio; 1604 1605 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adadone\n")); 1606 1607 switch (ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK) { 1608 case ADA_CCB_BUFFER_IO: 1609 case ADA_CCB_TRIM: 1610 { 1611 struct bio *bp; 1612 1613 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1614 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1615 int error; 1616 1617 error = adaerror(done_ccb, 0, 0); 1618 if (error == ERESTART) { 1619 /* A retry was scheduled, so just return. */ 1620 return; 1621 } 1622 if (error != 0) { 1623 if (error == ENXIO && 1624 (softc->flags & ADA_FLAG_PACK_INVALID) == 0) { 1625 /* 1626 * Catastrophic error. Mark our pack as 1627 * invalid. 1628 */ 1629 /* 1630 * XXX See if this is really a media 1631 * XXX change first? 1632 */ 1633 xpt_print(periph->path, 1634 "Invalidating pack\n"); 1635 softc->flags |= ADA_FLAG_PACK_INVALID; 1636 } 1637 bp->bio_error = error; 1638 bp->bio_resid = bp->bio_bcount; 1639 bp->bio_flags |= BIO_ERROR; 1640 } else { 1641 bp->bio_resid = ataio->resid; 1642 bp->bio_error = 0; 1643 if (bp->bio_resid != 0) 1644 bp->bio_flags |= BIO_ERROR; 1645 } 1646 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1647 cam_release_devq(done_ccb->ccb_h.path, 1648 /*relsim_flags*/0, 1649 /*reduction*/0, 1650 /*timeout*/0, 1651 /*getcount_only*/0); 1652 } else { 1653 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1654 panic("REQ_CMP with QFRZN"); 1655 bp->bio_resid = ataio->resid; 1656 if (ataio->resid > 0) 1657 bp->bio_flags |= BIO_ERROR; 1658 } 1659 softc->outstanding_cmds--; 1660 if (softc->outstanding_cmds == 0) 1661 softc->flags |= ADA_FLAG_WENT_IDLE; 1662 if ((ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK) == 1663 ADA_CCB_TRIM) { 1664 struct trim_request *req = 1665 (struct trim_request *)ataio->data_ptr; 1666 int i; 1667 1668 for (i = 1; i < TRIM_MAX_BIOS && req->bps[i]; i++) { 1669 struct bio *bp1 = req->bps[i]; 1670 1671 bp1->bio_resid = bp->bio_resid; 1672 bp1->bio_error = bp->bio_error; 1673 if (bp->bio_flags & BIO_ERROR) 1674 bp1->bio_flags |= BIO_ERROR; 1675 biodone(bp1); 1676 } 1677 softc->trim_running = 0; 1678 biodone(bp); 1679 adaschedule(periph); 1680 } else 1681 biodone(bp); 1682 break; 1683 } 1684 case ADA_CCB_RAHEAD: 1685 { 1686 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1687 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1688 return; 1689 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1690 cam_release_devq(done_ccb->ccb_h.path, 1691 /*relsim_flags*/0, 1692 /*reduction*/0, 1693 /*timeout*/0, 1694 /*getcount_only*/0); 1695 } 1696 } 1697 1698 /* 1699 * Since our peripheral may be invalidated by an error 1700 * above or an external event, we must release our CCB 1701 * before releasing the reference on the peripheral. 1702 * The peripheral will only go away once the last reference 1703 * is removed, and we need it around for the CCB release 1704 * operation. 1705 */ 1706 cgd = (struct ccb_getdev *)done_ccb; 1707 xpt_setup_ccb(&cgd->ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1708 cgd->ccb_h.func_code = XPT_GDEV_TYPE; 1709 xpt_action((union ccb *)cgd); 1710 if (ADA_WC >= 0 && 1711 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1712 softc->state = ADA_STATE_WCACHE; 1713 xpt_release_ccb(done_ccb); 1714 xpt_schedule(periph, CAM_PRIORITY_DEV); 1715 return; 1716 } 1717 softc->state = ADA_STATE_NORMAL; 1718 xpt_release_ccb(done_ccb); 1719 cam_release_devq(periph->path, 1720 RELSIM_RELEASE_RUNLEVEL, 0, CAM_RL_DEV + 1, FALSE); 1721 adaschedule(periph); 1722 cam_periph_release_locked(periph); 1723 return; 1724 } 1725 case ADA_CCB_WCACHE: 1726 { 1727 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1728 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1729 return; 1730 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1731 cam_release_devq(done_ccb->ccb_h.path, 1732 /*relsim_flags*/0, 1733 /*reduction*/0, 1734 /*timeout*/0, 1735 /*getcount_only*/0); 1736 } 1737 } 1738 1739 softc->state = ADA_STATE_NORMAL; 1740 /* 1741 * Since our peripheral may be invalidated by an error 1742 * above or an external event, we must release our CCB 1743 * before releasing the reference on the peripheral. 1744 * The peripheral will only go away once the last reference 1745 * is removed, and we need it around for the CCB release 1746 * operation. 1747 */ 1748 xpt_release_ccb(done_ccb); 1749 cam_release_devq(periph->path, 1750 RELSIM_RELEASE_RUNLEVEL, 0, CAM_RL_DEV + 1, FALSE); 1751 adaschedule(periph); 1752 cam_periph_release_locked(periph); 1753 return; 1754 } 1755 case ADA_CCB_WAITING: 1756 { 1757 /* Caller will release the CCB */ 1758 wakeup(&done_ccb->ccb_h.cbfcnp); 1759 return; 1760 } 1761 case ADA_CCB_DUMP: 1762 /* No-op. We're polling */ 1763 return; 1764 default: 1765 break; 1766 } 1767 xpt_release_ccb(done_ccb); 1768 } 1769 1770 static int 1771 adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1772 { 1773 1774 return(cam_periph_error(ccb, cam_flags, sense_flags, NULL)); 1775 } 1776 1777 static void 1778 adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd) 1779 { 1780 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1781 struct disk_params *dp = &softc->params; 1782 u_int64_t lbasize48; 1783 u_int32_t lbasize; 1784 1785 dp->secsize = ata_logical_sector_size(&cgd->ident_data); 1786 if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) && 1787 cgd->ident_data.current_heads && cgd->ident_data.current_sectors) { 1788 dp->heads = cgd->ident_data.current_heads; 1789 dp->secs_per_track = cgd->ident_data.current_sectors; 1790 dp->cylinders = cgd->ident_data.cylinders; 1791 dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 | 1792 ((u_int32_t)cgd->ident_data.current_size_2 << 16); 1793 } else { 1794 dp->heads = cgd->ident_data.heads; 1795 dp->secs_per_track = cgd->ident_data.sectors; 1796 dp->cylinders = cgd->ident_data.cylinders; 1797 dp->sectors = cgd->ident_data.cylinders * dp->heads * dp->secs_per_track; 1798 } 1799 lbasize = (u_int32_t)cgd->ident_data.lba_size_1 | 1800 ((u_int32_t)cgd->ident_data.lba_size_2 << 16); 1801 1802 /* use the 28bit LBA size if valid or bigger than the CHS mapping */ 1803 if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize) 1804 dp->sectors = lbasize; 1805 1806 /* use the 48bit LBA size if valid */ 1807 lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) | 1808 ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) | 1809 ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) | 1810 ((u_int64_t)cgd->ident_data.lba_size48_4 << 48); 1811 if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) && 1812 lbasize48 > ATA_MAX_28BIT_LBA) 1813 dp->sectors = lbasize48; 1814 } 1815 1816 static void 1817 adasendorderedtag(void *arg) 1818 { 1819 struct ada_softc *softc = arg; 1820 1821 if (ada_send_ordered) { 1822 if ((softc->ordered_tag_count == 0) 1823 && ((softc->flags & ADA_FLAG_WENT_IDLE) == 0)) { 1824 softc->flags |= ADA_FLAG_NEED_OTAG; 1825 } 1826 if (softc->outstanding_cmds > 0) 1827 softc->flags &= ~ADA_FLAG_WENT_IDLE; 1828 1829 softc->ordered_tag_count = 0; 1830 } 1831 /* Queue us up again */ 1832 callout_reset(&softc->sendordered_c, 1833 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1834 adasendorderedtag, softc); 1835 } 1836 1837 /* 1838 * Step through all ADA peripheral drivers, and if the device is still open, 1839 * sync the disk cache to physical media. 1840 */ 1841 static void 1842 adaflush(void) 1843 { 1844 struct cam_periph *periph; 1845 struct ada_softc *softc; 1846 union ccb *ccb; 1847 int error; 1848 1849 CAM_PERIPH_FOREACH(periph, &adadriver) { 1850 /* If we paniced with lock held - not recurse here. */ 1851 if (cam_periph_owned(periph)) 1852 continue; 1853 cam_periph_lock(periph); 1854 softc = (struct ada_softc *)periph->softc; 1855 /* 1856 * We only sync the cache if the drive is still open, and 1857 * if the drive is capable of it.. 1858 */ 1859 if (((softc->flags & ADA_FLAG_OPEN) == 0) || 1860 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) { 1861 cam_periph_unlock(periph); 1862 continue; 1863 } 1864 1865 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1866 cam_fill_ataio(&ccb->ataio, 1867 0, 1868 adadone, 1869 CAM_DIR_NONE, 1870 0, 1871 NULL, 1872 0, 1873 ada_default_timeout*1000); 1874 if (softc->flags & ADA_FLAG_CAN_48BIT) 1875 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1876 else 1877 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 1878 1879 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 1880 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 1881 softc->disk->d_devstat); 1882 if (error != 0) 1883 xpt_print(periph->path, "Synchronize cache failed\n"); 1884 xpt_release_ccb(ccb); 1885 cam_periph_unlock(periph); 1886 } 1887 } 1888 1889 static void 1890 adaspindown(uint8_t cmd, int flags) 1891 { 1892 struct cam_periph *periph; 1893 struct ada_softc *softc; 1894 union ccb *ccb; 1895 int error; 1896 1897 CAM_PERIPH_FOREACH(periph, &adadriver) { 1898 /* If we paniced with lock held - not recurse here. */ 1899 if (cam_periph_owned(periph)) 1900 continue; 1901 cam_periph_lock(periph); 1902 softc = (struct ada_softc *)periph->softc; 1903 /* 1904 * We only spin-down the drive if it is capable of it.. 1905 */ 1906 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 1907 cam_periph_unlock(periph); 1908 continue; 1909 } 1910 1911 if (bootverbose) 1912 xpt_print(periph->path, "spin-down\n"); 1913 1914 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1915 cam_fill_ataio(&ccb->ataio, 1916 0, 1917 adadone, 1918 CAM_DIR_NONE | flags, 1919 0, 1920 NULL, 1921 0, 1922 ada_default_timeout*1000); 1923 ata_28bit_cmd(&ccb->ataio, cmd, 0, 0, 0); 1924 1925 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 1926 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 1927 softc->disk->d_devstat); 1928 if (error != 0) 1929 xpt_print(periph->path, "Spin-down disk failed\n"); 1930 xpt_release_ccb(ccb); 1931 cam_periph_unlock(periph); 1932 } 1933 } 1934 1935 static void 1936 adashutdown(void *arg, int howto) 1937 { 1938 1939 adaflush(); 1940 if (ada_spindown_shutdown != 0 && 1941 (howto & (RB_HALT | RB_POWEROFF)) != 0) 1942 adaspindown(ATA_STANDBY_IMMEDIATE, 0); 1943 } 1944 1945 static void 1946 adasuspend(void *arg) 1947 { 1948 1949 adaflush(); 1950 if (ada_spindown_suspend != 0) 1951 adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE); 1952 } 1953 1954 static void 1955 adaresume(void *arg) 1956 { 1957 struct cam_periph *periph; 1958 struct ada_softc *softc; 1959 1960 if (ada_spindown_suspend == 0) 1961 return; 1962 1963 CAM_PERIPH_FOREACH(periph, &adadriver) { 1964 cam_periph_lock(periph); 1965 softc = (struct ada_softc *)periph->softc; 1966 /* 1967 * We only spin-down the drive if it is capable of it.. 1968 */ 1969 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 1970 cam_periph_unlock(periph); 1971 continue; 1972 } 1973 1974 if (bootverbose) 1975 xpt_print(periph->path, "resume\n"); 1976 1977 /* 1978 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on 1979 * sleep request. 1980 */ 1981 cam_release_devq(periph->path, 1982 /*relsim_flags*/0, 1983 /*openings*/0, 1984 /*timeout*/0, 1985 /*getcount_only*/0); 1986 1987 cam_periph_unlock(periph); 1988 } 1989 } 1990 1991 #endif /* _KERNEL */ 1992