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/proc.h> 48 #include <sys/reboot.h> 49 #include <geom/geom_disk.h> 50 #endif /* _KERNEL */ 51 52 #ifndef _KERNEL 53 #include <stdio.h> 54 #include <string.h> 55 #endif /* _KERNEL */ 56 57 #include <cam/cam.h> 58 #include <cam/cam_ccb.h> 59 #include <cam/cam_periph.h> 60 #include <cam/cam_xpt_periph.h> 61 #include <cam/cam_sim.h> 62 63 #include <cam/ata/ata_all.h> 64 65 #include <machine/md_var.h> /* geometry translation */ 66 67 #ifdef _KERNEL 68 69 #define ATA_MAX_28BIT_LBA 268435455UL 70 71 typedef enum { 72 ADA_STATE_RAHEAD, 73 ADA_STATE_WCACHE, 74 ADA_STATE_NORMAL 75 } ada_state; 76 77 typedef enum { 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_WAS_OTAG = 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_FLAG_DIRTY = 0x2000 91 } ada_flags; 92 93 typedef enum { 94 ADA_Q_NONE = 0x00, 95 ADA_Q_4K = 0x01, 96 } ada_quirks; 97 98 #define ADA_Q_BIT_STRING \ 99 "\020" \ 100 "\0014K" 101 102 typedef enum { 103 ADA_CCB_RAHEAD = 0x01, 104 ADA_CCB_WCACHE = 0x02, 105 ADA_CCB_BUFFER_IO = 0x03, 106 ADA_CCB_DUMP = 0x05, 107 ADA_CCB_TRIM = 0x06, 108 ADA_CCB_TYPE_MASK = 0x0F, 109 } ada_ccb_state; 110 111 /* Offsets into our private area for storing information */ 112 #define ccb_state ppriv_field0 113 #define ccb_bp ppriv_ptr1 114 115 struct disk_params { 116 u_int8_t heads; 117 u_int8_t secs_per_track; 118 u_int32_t cylinders; 119 u_int32_t secsize; /* Number of bytes/logical sector */ 120 u_int64_t sectors; /* Total number sectors */ 121 }; 122 123 #define TRIM_MAX_BLOCKS 8 124 #define TRIM_MAX_RANGES (TRIM_MAX_BLOCKS * ATA_DSM_BLK_RANGES) 125 struct trim_request { 126 uint8_t data[TRIM_MAX_RANGES * ATA_DSM_RANGE_SIZE]; 127 TAILQ_HEAD(, bio) bps; 128 }; 129 130 struct ada_softc { 131 struct bio_queue_head bio_queue; 132 struct bio_queue_head trim_queue; 133 int outstanding_cmds; /* Number of active commands */ 134 int refcount; /* Active xpt_action() calls */ 135 ada_state state; 136 ada_flags flags; 137 ada_quirks quirks; 138 int sort_io_queue; 139 int trim_max_ranges; 140 int trim_running; 141 int read_ahead; 142 int write_cache; 143 #ifdef ADA_TEST_FAILURE 144 int force_read_error; 145 int force_write_error; 146 int periodic_read_error; 147 int periodic_read_count; 148 #endif 149 struct disk_params params; 150 struct disk *disk; 151 struct task sysctl_task; 152 struct sysctl_ctx_list sysctl_ctx; 153 struct sysctl_oid *sysctl_tree; 154 struct callout sendordered_c; 155 struct trim_request trim_req; 156 }; 157 158 struct ada_quirk_entry { 159 struct scsi_inquiry_pattern inq_pat; 160 ada_quirks quirks; 161 }; 162 163 static struct ada_quirk_entry ada_quirk_table[] = 164 { 165 { 166 /* Hitachi Advanced Format (4k) drives */ 167 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Hitachi H??????????E3*", "*" }, 168 /*quirks*/ADA_Q_4K 169 }, 170 { 171 /* Samsung Advanced Format (4k) drives */ 172 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD155UI*", "*" }, 173 /*quirks*/ADA_Q_4K 174 }, 175 { 176 /* Samsung Advanced Format (4k) drives */ 177 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD204UI*", "*" }, 178 /*quirks*/ADA_Q_4K 179 }, 180 { 181 /* Seagate Barracuda Green Advanced Format (4k) drives */ 182 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DL*", "*" }, 183 /*quirks*/ADA_Q_4K 184 }, 185 { 186 /* Seagate Barracuda Advanced Format (4k) drives */ 187 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???DM*", "*" }, 188 /*quirks*/ADA_Q_4K 189 }, 190 { 191 /* Seagate Barracuda Advanced Format (4k) drives */ 192 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DM*", "*" }, 193 /*quirks*/ADA_Q_4K 194 }, 195 { 196 /* Seagate Momentus Advanced Format (4k) drives */ 197 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500423AS*", "*" }, 198 /*quirks*/ADA_Q_4K 199 }, 200 { 201 /* Seagate Momentus Advanced Format (4k) drives */ 202 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500424AS*", "*" }, 203 /*quirks*/ADA_Q_4K 204 }, 205 { 206 /* Seagate Momentus Advanced Format (4k) drives */ 207 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640423AS*", "*" }, 208 /*quirks*/ADA_Q_4K 209 }, 210 { 211 /* Seagate Momentus Advanced Format (4k) drives */ 212 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640424AS*", "*" }, 213 /*quirks*/ADA_Q_4K 214 }, 215 { 216 /* Seagate Momentus Advanced Format (4k) drives */ 217 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750420AS*", "*" }, 218 /*quirks*/ADA_Q_4K 219 }, 220 { 221 /* Seagate Momentus Advanced Format (4k) drives */ 222 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750422AS*", "*" }, 223 /*quirks*/ADA_Q_4K 224 }, 225 { 226 /* Seagate Momentus Advanced Format (4k) drives */ 227 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750423AS*", "*" }, 228 /*quirks*/ADA_Q_4K 229 }, 230 { 231 /* Seagate Momentus Thin Advanced Format (4k) drives */ 232 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???LT*", "*" }, 233 /*quirks*/ADA_Q_4K 234 }, 235 { 236 /* WDC Caviar Green Advanced Format (4k) drives */ 237 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RS*", "*" }, 238 /*quirks*/ADA_Q_4K 239 }, 240 { 241 /* WDC Caviar Green Advanced Format (4k) drives */ 242 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RX*", "*" }, 243 /*quirks*/ADA_Q_4K 244 }, 245 { 246 /* WDC Caviar Green Advanced Format (4k) drives */ 247 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RS*", "*" }, 248 /*quirks*/ADA_Q_4K 249 }, 250 { 251 /* WDC Caviar Green Advanced Format (4k) drives */ 252 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RX*", "*" }, 253 /*quirks*/ADA_Q_4K 254 }, 255 { 256 /* WDC Scorpio Black Advanced Format (4k) drives */ 257 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PKT*", "*" }, 258 /*quirks*/ADA_Q_4K 259 }, 260 { 261 /* WDC Scorpio Black Advanced Format (4k) drives */ 262 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PKT*", "*" }, 263 /*quirks*/ADA_Q_4K 264 }, 265 { 266 /* WDC Scorpio Blue Advanced Format (4k) drives */ 267 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PVT*", "*" }, 268 /*quirks*/ADA_Q_4K 269 }, 270 { 271 /* WDC Scorpio Blue Advanced Format (4k) drives */ 272 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PVT*", "*" }, 273 /*quirks*/ADA_Q_4K 274 }, 275 /* SSDs */ 276 { 277 /* 278 * Corsair Force 2 SSDs 279 * 4k optimised & trim only works in 4k requests + 4k aligned 280 */ 281 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair CSSD-F*", "*" }, 282 /*quirks*/ADA_Q_4K 283 }, 284 { 285 /* 286 * Corsair Force 3 SSDs 287 * 4k optimised & trim only works in 4k requests + 4k aligned 288 */ 289 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force 3*", "*" }, 290 /*quirks*/ADA_Q_4K 291 }, 292 { 293 /* 294 * Corsair Neutron GTX SSDs 295 * 4k optimised & trim only works in 4k requests + 4k aligned 296 */ 297 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" }, 298 /*quirks*/ADA_Q_4K 299 }, 300 { 301 /* 302 * Corsair Force GT SSDs 303 * 4k optimised & trim only works in 4k requests + 4k aligned 304 */ 305 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force GT*", "*" }, 306 /*quirks*/ADA_Q_4K 307 }, 308 { 309 /* 310 * Crucial M4 SSDs 311 * 4k optimised & trim only works in 4k requests + 4k aligned 312 */ 313 { T_DIRECT, SIP_MEDIA_FIXED, "*", "M4-CT???M4SSD2*", "*" }, 314 /*quirks*/ADA_Q_4K 315 }, 316 { 317 /* 318 * Crucial RealSSD C300 SSDs 319 * 4k optimised 320 */ 321 { T_DIRECT, SIP_MEDIA_FIXED, "*", "C300-CTFDDAC???MAG*", 322 "*" }, /*quirks*/ADA_Q_4K 323 }, 324 { 325 /* 326 * Intel 320 Series SSDs 327 * 4k optimised & trim only works in 4k requests + 4k aligned 328 */ 329 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2CW*", "*" }, 330 /*quirks*/ADA_Q_4K 331 }, 332 { 333 /* 334 * Intel 330 Series SSDs 335 * 4k optimised & trim only works in 4k requests + 4k aligned 336 */ 337 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2CT*", "*" }, 338 /*quirks*/ADA_Q_4K 339 }, 340 { 341 /* 342 * Intel 510 Series SSDs 343 * 4k optimised & trim only works in 4k requests + 4k aligned 344 */ 345 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2MH*", "*" }, 346 /*quirks*/ADA_Q_4K 347 }, 348 { 349 /* 350 * Intel 520 Series SSDs 351 * 4k optimised & trim only works in 4k requests + 4k aligned 352 */ 353 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2BW*", "*" }, 354 /*quirks*/ADA_Q_4K 355 }, 356 { 357 /* 358 * Intel X25-M Series SSDs 359 * 4k optimised & trim only works in 4k requests + 4k aligned 360 */ 361 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2M*", "*" }, 362 /*quirks*/ADA_Q_4K 363 }, 364 { 365 /* 366 * Kingston E100 Series SSDs 367 * 4k optimised & trim only works in 4k requests + 4k aligned 368 */ 369 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SE100S3*", "*" }, 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 */ 377 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SH103S3*", "*" }, 378 /*quirks*/ADA_Q_4K 379 }, 380 { 381 /* 382 * Marvell SSDs (entry taken from OpenSolaris) 383 * 4k optimised & trim only works in 4k requests + 4k aligned 384 */ 385 { T_DIRECT, SIP_MEDIA_FIXED, "*", "MARVELL SD88SA02*", "*" }, 386 /*quirks*/ADA_Q_4K 387 }, 388 { 389 /* 390 * OCZ Agility 2 SSDs 391 * 4k optimised & trim only works in 4k requests + 4k aligned 392 */ 393 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" }, 394 /*quirks*/ADA_Q_4K 395 }, 396 { 397 /* 398 * OCZ Agility 3 SSDs 399 * 4k optimised & trim only works in 4k requests + 4k aligned 400 */ 401 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY3*", "*" }, 402 /*quirks*/ADA_Q_4K 403 }, 404 { 405 /* 406 * OCZ Deneva R Series SSDs 407 * 4k optimised & trim only works in 4k requests + 4k aligned 408 */ 409 { T_DIRECT, SIP_MEDIA_FIXED, "*", "DENRSTE251M45*", "*" }, 410 /*quirks*/ADA_Q_4K 411 }, 412 { 413 /* 414 * OCZ Vertex 2 SSDs (inc pro series) 415 * 4k optimised & trim only works in 4k requests + 4k aligned 416 */ 417 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ?VERTEX2*", "*" }, 418 /*quirks*/ADA_Q_4K 419 }, 420 { 421 /* 422 * OCZ Vertex 3 SSDs 423 * 4k optimised & trim only works in 4k requests + 4k aligned 424 */ 425 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX3*", "*" }, 426 /*quirks*/ADA_Q_4K 427 }, 428 { 429 /* 430 * OCZ Vertex 4 SSDs 431 * 4k optimised & trim only works in 4k requests + 4k aligned 432 */ 433 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX4*", "*" }, 434 /*quirks*/ADA_Q_4K 435 }, 436 { 437 /* 438 * Samsung 830 Series SSDs 439 * 4k optimised 440 */ 441 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG SSD 830 Series*", "*" }, 442 /*quirks*/ADA_Q_4K 443 }, 444 { 445 /* 446 * SuperTalent TeraDrive CT SSDs 447 * 4k optimised & trim only works in 4k requests + 4k aligned 448 */ 449 { T_DIRECT, SIP_MEDIA_FIXED, "*", "FTM??CT25H*", "*" }, 450 /*quirks*/ADA_Q_4K 451 }, 452 { 453 /* 454 * XceedIOPS SATA SSDs 455 * 4k optimised 456 */ 457 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SG9XCS2D*", "*" }, 458 /*quirks*/ADA_Q_4K 459 }, 460 { 461 /* Default */ 462 { 463 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 464 /*vendor*/"*", /*product*/"*", /*revision*/"*" 465 }, 466 /*quirks*/0 467 }, 468 }; 469 470 static disk_strategy_t adastrategy; 471 static dumper_t adadump; 472 static periph_init_t adainit; 473 static void adaasync(void *callback_arg, u_int32_t code, 474 struct cam_path *path, void *arg); 475 static void adasysctlinit(void *context, int pending); 476 static periph_ctor_t adaregister; 477 static periph_dtor_t adacleanup; 478 static periph_start_t adastart; 479 static periph_oninv_t adaoninvalidate; 480 static void adadone(struct cam_periph *periph, 481 union ccb *done_ccb); 482 static int adaerror(union ccb *ccb, u_int32_t cam_flags, 483 u_int32_t sense_flags); 484 static void adagetparams(struct cam_periph *periph, 485 struct ccb_getdev *cgd); 486 static timeout_t adasendorderedtag; 487 static void adashutdown(void *arg, int howto); 488 static void adasuspend(void *arg); 489 static void adaresume(void *arg); 490 491 #ifndef ADA_DEFAULT_LEGACY_ALIASES 492 #define ADA_DEFAULT_LEGACY_ALIASES 1 493 #endif 494 495 #ifndef ADA_DEFAULT_TIMEOUT 496 #define ADA_DEFAULT_TIMEOUT 30 /* Timeout in seconds */ 497 #endif 498 499 #ifndef ADA_DEFAULT_RETRY 500 #define ADA_DEFAULT_RETRY 4 501 #endif 502 503 #ifndef ADA_DEFAULT_SEND_ORDERED 504 #define ADA_DEFAULT_SEND_ORDERED 1 505 #endif 506 507 #ifndef ADA_DEFAULT_SPINDOWN_SHUTDOWN 508 #define ADA_DEFAULT_SPINDOWN_SHUTDOWN 1 509 #endif 510 511 #ifndef ADA_DEFAULT_SPINDOWN_SUSPEND 512 #define ADA_DEFAULT_SPINDOWN_SUSPEND 1 513 #endif 514 515 #ifndef ADA_DEFAULT_READ_AHEAD 516 #define ADA_DEFAULT_READ_AHEAD 1 517 #endif 518 519 #ifndef ADA_DEFAULT_WRITE_CACHE 520 #define ADA_DEFAULT_WRITE_CACHE 1 521 #endif 522 523 #define ADA_RA (softc->read_ahead >= 0 ? \ 524 softc->read_ahead : ada_read_ahead) 525 #define ADA_WC (softc->write_cache >= 0 ? \ 526 softc->write_cache : ada_write_cache) 527 #define ADA_SIO (softc->sort_io_queue >= 0 ? \ 528 softc->sort_io_queue : cam_sort_io_queues) 529 530 /* 531 * Most platforms map firmware geometry to actual, but some don't. If 532 * not overridden, default to nothing. 533 */ 534 #ifndef ata_disk_firmware_geom_adjust 535 #define ata_disk_firmware_geom_adjust(disk) 536 #endif 537 538 static int ada_legacy_aliases = ADA_DEFAULT_LEGACY_ALIASES; 539 static int ada_retry_count = ADA_DEFAULT_RETRY; 540 static int ada_default_timeout = ADA_DEFAULT_TIMEOUT; 541 static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED; 542 static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN; 543 static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND; 544 static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD; 545 static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE; 546 547 static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD, 0, 548 "CAM Direct Access Disk driver"); 549 SYSCTL_INT(_kern_cam_ada, OID_AUTO, legacy_aliases, CTLFLAG_RW, 550 &ada_legacy_aliases, 0, "Create legacy-like device aliases"); 551 TUNABLE_INT("kern.cam.ada.legacy_aliases", &ada_legacy_aliases); 552 SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RW, 553 &ada_retry_count, 0, "Normal I/O retry count"); 554 TUNABLE_INT("kern.cam.ada.retry_count", &ada_retry_count); 555 SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RW, 556 &ada_default_timeout, 0, "Normal I/O timeout (in seconds)"); 557 TUNABLE_INT("kern.cam.ada.default_timeout", &ada_default_timeout); 558 SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RW, 559 &ada_send_ordered, 0, "Send Ordered Tags"); 560 TUNABLE_INT("kern.cam.ada.send_ordered", &ada_send_ordered); 561 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RW, 562 &ada_spindown_shutdown, 0, "Spin down upon shutdown"); 563 TUNABLE_INT("kern.cam.ada.spindown_shutdown", &ada_spindown_shutdown); 564 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RW, 565 &ada_spindown_suspend, 0, "Spin down upon suspend"); 566 TUNABLE_INT("kern.cam.ada.spindown_suspend", &ada_spindown_suspend); 567 SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RW, 568 &ada_read_ahead, 0, "Enable disk read-ahead"); 569 TUNABLE_INT("kern.cam.ada.read_ahead", &ada_read_ahead); 570 SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RW, 571 &ada_write_cache, 0, "Enable disk write cache"); 572 TUNABLE_INT("kern.cam.ada.write_cache", &ada_write_cache); 573 574 /* 575 * ADA_ORDEREDTAG_INTERVAL determines how often, relative 576 * to the default timeout, we check to see whether an ordered 577 * tagged transaction is appropriate to prevent simple tag 578 * starvation. Since we'd like to ensure that there is at least 579 * 1/2 of the timeout length left for a starved transaction to 580 * complete after we've sent an ordered tag, we must poll at least 581 * four times in every timeout period. This takes care of the worst 582 * case where a starved transaction starts during an interval that 583 * meets the requirement "don't send an ordered tag" test so it takes 584 * us two intervals to determine that a tag must be sent. 585 */ 586 #ifndef ADA_ORDEREDTAG_INTERVAL 587 #define ADA_ORDEREDTAG_INTERVAL 4 588 #endif 589 590 static struct periph_driver adadriver = 591 { 592 adainit, "ada", 593 TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0 594 }; 595 596 PERIPHDRIVER_DECLARE(ada, adadriver); 597 598 static MALLOC_DEFINE(M_ATADA, "ata_da", "ata_da buffers"); 599 600 static int 601 adaopen(struct disk *dp) 602 { 603 struct cam_periph *periph; 604 struct ada_softc *softc; 605 int error; 606 607 periph = (struct cam_periph *)dp->d_drv1; 608 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 609 return(ENXIO); 610 } 611 612 cam_periph_lock(periph); 613 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 614 cam_periph_unlock(periph); 615 cam_periph_release(periph); 616 return (error); 617 } 618 619 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 620 ("adaopen\n")); 621 622 softc = (struct ada_softc *)periph->softc; 623 softc->flags |= ADA_FLAG_OPEN; 624 625 cam_periph_unhold(periph); 626 cam_periph_unlock(periph); 627 return (0); 628 } 629 630 static int 631 adaclose(struct disk *dp) 632 { 633 struct cam_periph *periph; 634 struct ada_softc *softc; 635 union ccb *ccb; 636 int error; 637 638 periph = (struct cam_periph *)dp->d_drv1; 639 softc = (struct ada_softc *)periph->softc; 640 cam_periph_lock(periph); 641 642 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 643 ("adaclose\n")); 644 645 /* We only sync the cache if the drive is capable of it. */ 646 if ((softc->flags & ADA_FLAG_DIRTY) != 0 && 647 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 && 648 (periph->flags & CAM_PERIPH_INVALID) == 0 && 649 cam_periph_hold(periph, PRIBIO) == 0) { 650 651 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 652 cam_fill_ataio(&ccb->ataio, 653 1, 654 adadone, 655 CAM_DIR_NONE, 656 0, 657 NULL, 658 0, 659 ada_default_timeout*1000); 660 661 if (softc->flags & ADA_FLAG_CAN_48BIT) 662 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 663 else 664 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 665 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 666 /*sense_flags*/0, softc->disk->d_devstat); 667 668 if (error != 0) 669 xpt_print(periph->path, "Synchronize cache failed\n"); 670 else 671 softc->flags &= ~ADA_FLAG_DIRTY; 672 xpt_release_ccb(ccb); 673 cam_periph_unhold(periph); 674 } 675 676 softc->flags &= ~ADA_FLAG_OPEN; 677 678 while (softc->refcount != 0) 679 cam_periph_sleep(periph, &softc->refcount, PRIBIO, "adaclose", 1); 680 cam_periph_unlock(periph); 681 cam_periph_release(periph); 682 return (0); 683 } 684 685 static void 686 adaschedule(struct cam_periph *periph) 687 { 688 struct ada_softc *softc = (struct ada_softc *)periph->softc; 689 690 if (softc->state != ADA_STATE_NORMAL) 691 return; 692 693 /* Check if we have more work to do. */ 694 if (bioq_first(&softc->bio_queue) || 695 (!softc->trim_running && bioq_first(&softc->trim_queue))) { 696 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 697 } 698 } 699 700 /* 701 * Actually translate the requested transfer into one the physical driver 702 * can understand. The transfer is described by a buf and will include 703 * only one physical transfer. 704 */ 705 static void 706 adastrategy(struct bio *bp) 707 { 708 struct cam_periph *periph; 709 struct ada_softc *softc; 710 711 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 712 softc = (struct ada_softc *)periph->softc; 713 714 cam_periph_lock(periph); 715 716 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp)); 717 718 /* 719 * If the device has been made invalid, error out 720 */ 721 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 722 cam_periph_unlock(periph); 723 biofinish(bp, NULL, ENXIO); 724 return; 725 } 726 727 /* 728 * Place it in the queue of disk activities for this disk 729 */ 730 if (bp->bio_cmd == BIO_DELETE && 731 (softc->flags & ADA_FLAG_CAN_TRIM)) { 732 bioq_disksort(&softc->trim_queue, bp); 733 } else { 734 if (ADA_SIO) 735 bioq_disksort(&softc->bio_queue, bp); 736 else 737 bioq_insert_tail(&softc->bio_queue, bp); 738 } 739 740 /* 741 * Schedule ourselves for performing the work. 742 */ 743 adaschedule(periph); 744 cam_periph_unlock(periph); 745 746 return; 747 } 748 749 static int 750 adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 751 { 752 struct cam_periph *periph; 753 struct ada_softc *softc; 754 u_int secsize; 755 union ccb ccb; 756 struct disk *dp; 757 uint64_t lba; 758 uint16_t count; 759 int error = 0; 760 761 dp = arg; 762 periph = dp->d_drv1; 763 softc = (struct ada_softc *)periph->softc; 764 cam_periph_lock(periph); 765 secsize = softc->params.secsize; 766 lba = offset / secsize; 767 count = length / secsize; 768 769 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 770 cam_periph_unlock(periph); 771 return (ENXIO); 772 } 773 774 if (length > 0) { 775 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 776 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 777 cam_fill_ataio(&ccb.ataio, 778 0, 779 adadone, 780 CAM_DIR_OUT, 781 0, 782 (u_int8_t *) virtual, 783 length, 784 ada_default_timeout*1000); 785 if ((softc->flags & ADA_FLAG_CAN_48BIT) && 786 (lba + count >= ATA_MAX_28BIT_LBA || 787 count >= 256)) { 788 ata_48bit_cmd(&ccb.ataio, ATA_WRITE_DMA48, 789 0, lba, count); 790 } else { 791 ata_28bit_cmd(&ccb.ataio, ATA_WRITE_DMA, 792 0, lba, count); 793 } 794 xpt_polled_action(&ccb); 795 796 error = cam_periph_error(&ccb, 797 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 798 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 799 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 800 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 801 if (error != 0) 802 printf("Aborting dump due to I/O error.\n"); 803 804 cam_periph_unlock(periph); 805 return (error); 806 } 807 808 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { 809 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 810 811 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 812 cam_fill_ataio(&ccb.ataio, 813 0, 814 adadone, 815 CAM_DIR_NONE, 816 0, 817 NULL, 818 0, 819 ada_default_timeout*1000); 820 821 if (softc->flags & ADA_FLAG_CAN_48BIT) 822 ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); 823 else 824 ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); 825 xpt_polled_action(&ccb); 826 827 error = cam_periph_error(&ccb, 828 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 829 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 830 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 831 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 832 if (error != 0) 833 xpt_print(periph->path, "Synchronize cache failed\n"); 834 } 835 cam_periph_unlock(periph); 836 return (error); 837 } 838 839 static void 840 adainit(void) 841 { 842 cam_status status; 843 844 /* 845 * Install a global async callback. This callback will 846 * receive async callbacks like "new device found". 847 */ 848 status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL); 849 850 if (status != CAM_REQ_CMP) { 851 printf("ada: Failed to attach master async callback " 852 "due to status 0x%x!\n", status); 853 } else if (ada_send_ordered) { 854 855 /* Register our event handlers */ 856 if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend, 857 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 858 printf("adainit: power event registration failed!\n"); 859 if ((EVENTHANDLER_REGISTER(power_resume, adaresume, 860 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 861 printf("adainit: power event registration failed!\n"); 862 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown, 863 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 864 printf("adainit: shutdown event registration failed!\n"); 865 } 866 } 867 868 /* 869 * Callback from GEOM, called when it has finished cleaning up its 870 * resources. 871 */ 872 static void 873 adadiskgonecb(struct disk *dp) 874 { 875 struct cam_periph *periph; 876 877 periph = (struct cam_periph *)dp->d_drv1; 878 879 cam_periph_release(periph); 880 } 881 882 static void 883 adaoninvalidate(struct cam_periph *periph) 884 { 885 struct ada_softc *softc; 886 887 softc = (struct ada_softc *)periph->softc; 888 889 /* 890 * De-register any async callbacks. 891 */ 892 xpt_register_async(0, adaasync, periph, periph->path); 893 894 /* 895 * Return all queued I/O with ENXIO. 896 * XXX Handle any transactions queued to the card 897 * with XPT_ABORT_CCB. 898 */ 899 bioq_flush(&softc->bio_queue, NULL, ENXIO); 900 bioq_flush(&softc->trim_queue, NULL, ENXIO); 901 902 disk_gone(softc->disk); 903 } 904 905 static void 906 adacleanup(struct cam_periph *periph) 907 { 908 struct ada_softc *softc; 909 910 softc = (struct ada_softc *)periph->softc; 911 912 cam_periph_unlock(periph); 913 914 /* 915 * If we can't free the sysctl tree, oh well... 916 */ 917 if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0 918 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 919 xpt_print(periph->path, "can't remove sysctl context\n"); 920 } 921 922 disk_destroy(softc->disk); 923 callout_drain(&softc->sendordered_c); 924 free(softc, M_DEVBUF); 925 cam_periph_lock(periph); 926 } 927 928 static void 929 adaasync(void *callback_arg, u_int32_t code, 930 struct cam_path *path, void *arg) 931 { 932 struct ccb_getdev cgd; 933 struct cam_periph *periph; 934 struct ada_softc *softc; 935 936 periph = (struct cam_periph *)callback_arg; 937 switch (code) { 938 case AC_FOUND_DEVICE: 939 { 940 struct ccb_getdev *cgd; 941 cam_status status; 942 943 cgd = (struct ccb_getdev *)arg; 944 if (cgd == NULL) 945 break; 946 947 if (cgd->protocol != PROTO_ATA) 948 break; 949 950 /* 951 * Allocate a peripheral instance for 952 * this device and start the probe 953 * process. 954 */ 955 status = cam_periph_alloc(adaregister, adaoninvalidate, 956 adacleanup, adastart, 957 "ada", CAM_PERIPH_BIO, 958 path, adaasync, 959 AC_FOUND_DEVICE, cgd); 960 961 if (status != CAM_REQ_CMP 962 && status != CAM_REQ_INPROG) 963 printf("adaasync: Unable to attach to new device " 964 "due to status 0x%x\n", status); 965 break; 966 } 967 case AC_GETDEV_CHANGED: 968 { 969 softc = (struct ada_softc *)periph->softc; 970 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 971 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 972 xpt_action((union ccb *)&cgd); 973 974 if ((cgd.ident_data.capabilities1 & ATA_SUPPORT_DMA) && 975 (cgd.inq_flags & SID_DMA)) 976 softc->flags |= ADA_FLAG_CAN_DMA; 977 else 978 softc->flags &= ~ADA_FLAG_CAN_DMA; 979 if (cgd.ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 980 softc->flags |= ADA_FLAG_CAN_48BIT; 981 if (cgd.inq_flags & SID_DMA48) 982 softc->flags |= ADA_FLAG_CAN_DMA48; 983 else 984 softc->flags &= ~ADA_FLAG_CAN_DMA48; 985 } else 986 softc->flags &= ~(ADA_FLAG_CAN_48BIT | 987 ADA_FLAG_CAN_DMA48); 988 if ((cgd.ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 989 (cgd.inq_flags & SID_DMA) && (cgd.inq_flags & SID_CmdQue)) 990 softc->flags |= ADA_FLAG_CAN_NCQ; 991 else 992 softc->flags &= ~ADA_FLAG_CAN_NCQ; 993 if ((cgd.ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 994 (cgd.inq_flags & SID_DMA)) 995 softc->flags |= ADA_FLAG_CAN_TRIM; 996 else 997 softc->flags &= ~ADA_FLAG_CAN_TRIM; 998 999 cam_periph_async(periph, code, path, arg); 1000 break; 1001 } 1002 case AC_ADVINFO_CHANGED: 1003 { 1004 uintptr_t buftype; 1005 1006 buftype = (uintptr_t)arg; 1007 if (buftype == CDAI_TYPE_PHYS_PATH) { 1008 struct ada_softc *softc; 1009 1010 softc = periph->softc; 1011 disk_attr_changed(softc->disk, "GEOM::physpath", 1012 M_NOWAIT); 1013 } 1014 break; 1015 } 1016 case AC_SENT_BDR: 1017 case AC_BUS_RESET: 1018 { 1019 softc = (struct ada_softc *)periph->softc; 1020 cam_periph_async(periph, code, path, arg); 1021 if (softc->state != ADA_STATE_NORMAL) 1022 break; 1023 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1024 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1025 xpt_action((union ccb *)&cgd); 1026 if (ADA_RA >= 0 && 1027 cgd.ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) 1028 softc->state = ADA_STATE_RAHEAD; 1029 else if (ADA_WC >= 0 && 1030 cgd.ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) 1031 softc->state = ADA_STATE_WCACHE; 1032 else 1033 break; 1034 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1035 softc->state = ADA_STATE_NORMAL; 1036 else 1037 xpt_schedule(periph, CAM_PRIORITY_DEV); 1038 } 1039 default: 1040 cam_periph_async(periph, code, path, arg); 1041 break; 1042 } 1043 } 1044 1045 static void 1046 adasysctlinit(void *context, int pending) 1047 { 1048 struct cam_periph *periph; 1049 struct ada_softc *softc; 1050 char tmpstr[80], tmpstr2[80]; 1051 1052 periph = (struct cam_periph *)context; 1053 1054 /* periph was held for us when this task was enqueued */ 1055 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1056 cam_periph_release(periph); 1057 return; 1058 } 1059 1060 softc = (struct ada_softc *)periph->softc; 1061 snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d", periph->unit_number); 1062 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1063 1064 sysctl_ctx_init(&softc->sysctl_ctx); 1065 softc->flags |= ADA_FLAG_SCTX_INIT; 1066 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1067 SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2, 1068 CTLFLAG_RD, 0, tmpstr); 1069 if (softc->sysctl_tree == NULL) { 1070 printf("adasysctlinit: unable to allocate sysctl tree\n"); 1071 cam_periph_release(periph); 1072 return; 1073 } 1074 1075 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1076 OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE, 1077 &softc->read_ahead, 0, "Enable disk read ahead."); 1078 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1079 OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE, 1080 &softc->write_cache, 0, "Enable disk write cache."); 1081 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1082 OID_AUTO, "sort_io_queue", CTLFLAG_RW | CTLFLAG_MPSAFE, 1083 &softc->sort_io_queue, 0, 1084 "Sort IO queue to try and optimise disk access patterns"); 1085 #ifdef ADA_TEST_FAILURE 1086 /* 1087 * Add a 'door bell' sysctl which allows one to set it from userland 1088 * and cause something bad to happen. For the moment, we only allow 1089 * whacking the next read or write. 1090 */ 1091 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1092 OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1093 &softc->force_read_error, 0, 1094 "Force a read error for the next N reads."); 1095 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1096 OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1097 &softc->force_write_error, 0, 1098 "Force a write error for the next N writes."); 1099 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1100 OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1101 &softc->periodic_read_error, 0, 1102 "Force a read error every N reads (don't set too low)."); 1103 #endif 1104 cam_periph_release(periph); 1105 } 1106 1107 static int 1108 adagetattr(struct bio *bp) 1109 { 1110 int ret; 1111 struct cam_periph *periph; 1112 1113 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1114 cam_periph_lock(periph); 1115 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1116 periph->path); 1117 cam_periph_unlock(periph); 1118 if (ret == 0) 1119 bp->bio_completed = bp->bio_length; 1120 return ret; 1121 } 1122 1123 static cam_status 1124 adaregister(struct cam_periph *periph, void *arg) 1125 { 1126 struct ada_softc *softc; 1127 struct ccb_pathinq cpi; 1128 struct ccb_getdev *cgd; 1129 char announce_buf[80], buf1[32]; 1130 struct disk_params *dp; 1131 caddr_t match; 1132 u_int maxio; 1133 int legacy_id, quirks; 1134 1135 cgd = (struct ccb_getdev *)arg; 1136 if (cgd == NULL) { 1137 printf("adaregister: no getdev CCB, can't register device\n"); 1138 return(CAM_REQ_CMP_ERR); 1139 } 1140 1141 softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF, 1142 M_NOWAIT|M_ZERO); 1143 1144 if (softc == NULL) { 1145 printf("adaregister: Unable to probe new device. " 1146 "Unable to allocate softc\n"); 1147 return(CAM_REQ_CMP_ERR); 1148 } 1149 1150 bioq_init(&softc->bio_queue); 1151 bioq_init(&softc->trim_queue); 1152 1153 if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1154 (cgd->inq_flags & SID_DMA)) 1155 softc->flags |= ADA_FLAG_CAN_DMA; 1156 if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1157 softc->flags |= ADA_FLAG_CAN_48BIT; 1158 if (cgd->inq_flags & SID_DMA48) 1159 softc->flags |= ADA_FLAG_CAN_DMA48; 1160 } 1161 if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE) 1162 softc->flags |= ADA_FLAG_CAN_FLUSHCACHE; 1163 if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT) 1164 softc->flags |= ADA_FLAG_CAN_POWERMGT; 1165 if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1166 (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue)) 1167 softc->flags |= ADA_FLAG_CAN_NCQ; 1168 if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1169 (cgd->inq_flags & SID_DMA)) { 1170 softc->flags |= ADA_FLAG_CAN_TRIM; 1171 softc->trim_max_ranges = TRIM_MAX_RANGES; 1172 if (cgd->ident_data.max_dsm_blocks != 0) { 1173 softc->trim_max_ranges = 1174 min(cgd->ident_data.max_dsm_blocks * 1175 ATA_DSM_BLK_RANGES, softc->trim_max_ranges); 1176 } 1177 } 1178 if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA) 1179 softc->flags |= ADA_FLAG_CAN_CFA; 1180 1181 periph->softc = softc; 1182 1183 /* 1184 * See if this device has any quirks. 1185 */ 1186 match = cam_quirkmatch((caddr_t)&cgd->ident_data, 1187 (caddr_t)ada_quirk_table, 1188 sizeof(ada_quirk_table)/sizeof(*ada_quirk_table), 1189 sizeof(*ada_quirk_table), ata_identify_match); 1190 if (match != NULL) 1191 softc->quirks = ((struct ada_quirk_entry *)match)->quirks; 1192 else 1193 softc->quirks = ADA_Q_NONE; 1194 1195 bzero(&cpi, sizeof(cpi)); 1196 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 1197 cpi.ccb_h.func_code = XPT_PATH_INQ; 1198 xpt_action((union ccb *)&cpi); 1199 1200 TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph); 1201 1202 /* 1203 * Register this media as a disk 1204 */ 1205 (void)cam_periph_hold(periph, PRIBIO); 1206 cam_periph_unlock(periph); 1207 snprintf(announce_buf, sizeof(announce_buf), 1208 "kern.cam.ada.%d.quirks", periph->unit_number); 1209 quirks = softc->quirks; 1210 TUNABLE_INT_FETCH(announce_buf, &quirks); 1211 softc->quirks = quirks; 1212 softc->read_ahead = -1; 1213 snprintf(announce_buf, sizeof(announce_buf), 1214 "kern.cam.ada.%d.read_ahead", periph->unit_number); 1215 TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead); 1216 softc->write_cache = -1; 1217 snprintf(announce_buf, sizeof(announce_buf), 1218 "kern.cam.ada.%d.write_cache", periph->unit_number); 1219 TUNABLE_INT_FETCH(announce_buf, &softc->write_cache); 1220 /* Disable queue sorting for non-rotational media by default. */ 1221 if (cgd->ident_data.media_rotation_rate == ATA_RATE_NON_ROTATING) 1222 softc->sort_io_queue = 0; 1223 else 1224 softc->sort_io_queue = -1; 1225 adagetparams(periph, cgd); 1226 softc->disk = disk_alloc(); 1227 softc->disk->d_rotation_rate = cgd->ident_data.media_rotation_rate; 1228 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1229 periph->unit_number, softc->params.secsize, 1230 DEVSTAT_ALL_SUPPORTED, 1231 DEVSTAT_TYPE_DIRECT | 1232 XPORT_DEVSTAT_TYPE(cpi.transport), 1233 DEVSTAT_PRIORITY_DISK); 1234 softc->disk->d_open = adaopen; 1235 softc->disk->d_close = adaclose; 1236 softc->disk->d_strategy = adastrategy; 1237 softc->disk->d_getattr = adagetattr; 1238 softc->disk->d_dump = adadump; 1239 softc->disk->d_gone = adadiskgonecb; 1240 softc->disk->d_name = "ada"; 1241 softc->disk->d_drv1 = periph; 1242 maxio = cpi.maxio; /* Honor max I/O size of SIM */ 1243 if (maxio == 0) 1244 maxio = DFLTPHYS; /* traditional default */ 1245 else if (maxio > MAXPHYS) 1246 maxio = MAXPHYS; /* for safety */ 1247 if (softc->flags & ADA_FLAG_CAN_48BIT) 1248 maxio = min(maxio, 65536 * softc->params.secsize); 1249 else /* 28bit ATA command limit */ 1250 maxio = min(maxio, 256 * softc->params.secsize); 1251 softc->disk->d_maxsize = maxio; 1252 softc->disk->d_unit = periph->unit_number; 1253 softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION; 1254 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) 1255 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1256 if (softc->flags & ADA_FLAG_CAN_TRIM) { 1257 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1258 softc->disk->d_delmaxsize = softc->params.secsize * 1259 ATA_DSM_RANGE_MAX * 1260 softc->trim_max_ranges; 1261 } else if ((softc->flags & ADA_FLAG_CAN_CFA) && 1262 !(softc->flags & ADA_FLAG_CAN_48BIT)) { 1263 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1264 softc->disk->d_delmaxsize = 256 * softc->params.secsize; 1265 } else 1266 softc->disk->d_delmaxsize = maxio; 1267 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) 1268 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 1269 strlcpy(softc->disk->d_descr, cgd->ident_data.model, 1270 MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model))); 1271 strlcpy(softc->disk->d_ident, cgd->ident_data.serial, 1272 MIN(sizeof(softc->disk->d_ident), sizeof(cgd->ident_data.serial))); 1273 softc->disk->d_hba_vendor = cpi.hba_vendor; 1274 softc->disk->d_hba_device = cpi.hba_device; 1275 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1276 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1277 1278 softc->disk->d_sectorsize = softc->params.secsize; 1279 softc->disk->d_mediasize = (off_t)softc->params.sectors * 1280 softc->params.secsize; 1281 if (ata_physical_sector_size(&cgd->ident_data) != 1282 softc->params.secsize) { 1283 softc->disk->d_stripesize = 1284 ata_physical_sector_size(&cgd->ident_data); 1285 softc->disk->d_stripeoffset = (softc->disk->d_stripesize - 1286 ata_logical_sector_offset(&cgd->ident_data)) % 1287 softc->disk->d_stripesize; 1288 } else if (softc->quirks & ADA_Q_4K) { 1289 softc->disk->d_stripesize = 4096; 1290 softc->disk->d_stripeoffset = 0; 1291 } 1292 softc->disk->d_fwsectors = softc->params.secs_per_track; 1293 softc->disk->d_fwheads = softc->params.heads; 1294 ata_disk_firmware_geom_adjust(softc->disk); 1295 1296 if (ada_legacy_aliases) { 1297 #ifdef ATA_STATIC_ID 1298 legacy_id = xpt_path_legacy_ata_id(periph->path); 1299 #else 1300 legacy_id = softc->disk->d_unit; 1301 #endif 1302 if (legacy_id >= 0) { 1303 snprintf(announce_buf, sizeof(announce_buf), 1304 "kern.devalias.%s%d", 1305 softc->disk->d_name, softc->disk->d_unit); 1306 snprintf(buf1, sizeof(buf1), 1307 "ad%d", legacy_id); 1308 setenv(announce_buf, buf1); 1309 } 1310 } else 1311 legacy_id = -1; 1312 /* 1313 * Acquire a reference to the periph before we register with GEOM. 1314 * We'll release this reference once GEOM calls us back (via 1315 * adadiskgonecb()) telling us that our provider has been freed. 1316 */ 1317 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1318 xpt_print(periph->path, "%s: lost periph during " 1319 "registration!\n", __func__); 1320 cam_periph_lock(periph); 1321 return (CAM_REQ_CMP_ERR); 1322 } 1323 disk_create(softc->disk, DISK_VERSION); 1324 cam_periph_lock(periph); 1325 cam_periph_unhold(periph); 1326 1327 dp = &softc->params; 1328 snprintf(announce_buf, sizeof(announce_buf), 1329 "%juMB (%ju %u byte sectors: %dH %dS/T %dC)", 1330 (uintmax_t)(((uintmax_t)dp->secsize * 1331 dp->sectors) / (1024*1024)), 1332 (uintmax_t)dp->sectors, 1333 dp->secsize, dp->heads, 1334 dp->secs_per_track, dp->cylinders); 1335 xpt_announce_periph(periph, announce_buf); 1336 xpt_announce_quirks(periph, softc->quirks, ADA_Q_BIT_STRING); 1337 if (legacy_id >= 0) 1338 printf("%s%d: Previously was known as ad%d\n", 1339 periph->periph_name, periph->unit_number, legacy_id); 1340 1341 /* 1342 * Create our sysctl variables, now that we know 1343 * we have successfully attached. 1344 */ 1345 if (cam_periph_acquire(periph) == CAM_REQ_CMP) 1346 taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task); 1347 1348 /* 1349 * Add async callbacks for bus reset and 1350 * bus device reset calls. I don't bother 1351 * checking if this fails as, in most cases, 1352 * the system will function just fine without 1353 * them and the only alternative would be to 1354 * not attach the device on failure. 1355 */ 1356 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 1357 AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED, 1358 adaasync, periph, periph->path); 1359 1360 /* 1361 * Schedule a periodic event to occasionally send an 1362 * ordered tag to a device. 1363 */ 1364 callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0); 1365 callout_reset(&softc->sendordered_c, 1366 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1367 adasendorderedtag, softc); 1368 1369 if (ADA_RA >= 0 && 1370 cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) { 1371 softc->state = ADA_STATE_RAHEAD; 1372 } else if (ADA_WC >= 0 && 1373 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1374 softc->state = ADA_STATE_WCACHE; 1375 } else { 1376 softc->state = ADA_STATE_NORMAL; 1377 return(CAM_REQ_CMP); 1378 } 1379 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1380 softc->state = ADA_STATE_NORMAL; 1381 else 1382 xpt_schedule(periph, CAM_PRIORITY_DEV); 1383 return(CAM_REQ_CMP); 1384 } 1385 1386 static void 1387 adastart(struct cam_periph *periph, union ccb *start_ccb) 1388 { 1389 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1390 struct ccb_ataio *ataio = &start_ccb->ataio; 1391 1392 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n")); 1393 1394 switch (softc->state) { 1395 case ADA_STATE_NORMAL: 1396 { 1397 struct bio *bp; 1398 u_int8_t tag_code; 1399 1400 /* Run TRIM if not running yet. */ 1401 if (!softc->trim_running && 1402 (bp = bioq_first(&softc->trim_queue)) != 0) { 1403 struct trim_request *req = &softc->trim_req; 1404 struct bio *bp1; 1405 uint64_t lastlba = (uint64_t)-1; 1406 int c, lastcount = 0, off, ranges = 0; 1407 1408 softc->trim_running = 1; 1409 bzero(req, sizeof(*req)); 1410 TAILQ_INIT(&req->bps); 1411 bp1 = bp; 1412 do { 1413 uint64_t lba = bp1->bio_pblkno; 1414 int count = bp1->bio_bcount / 1415 softc->params.secsize; 1416 1417 bioq_remove(&softc->trim_queue, bp1); 1418 1419 /* Try to extend the previous range. */ 1420 if (lba == lastlba) { 1421 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 1422 lastcount += c; 1423 off = (ranges - 1) * ATA_DSM_RANGE_SIZE; 1424 req->data[off + 6] = lastcount & 0xff; 1425 req->data[off + 7] = 1426 (lastcount >> 8) & 0xff; 1427 count -= c; 1428 lba += c; 1429 } 1430 1431 while (count > 0) { 1432 c = min(count, ATA_DSM_RANGE_MAX); 1433 off = ranges * ATA_DSM_RANGE_SIZE; 1434 req->data[off + 0] = lba & 0xff; 1435 req->data[off + 1] = (lba >> 8) & 0xff; 1436 req->data[off + 2] = (lba >> 16) & 0xff; 1437 req->data[off + 3] = (lba >> 24) & 0xff; 1438 req->data[off + 4] = (lba >> 32) & 0xff; 1439 req->data[off + 5] = (lba >> 40) & 0xff; 1440 req->data[off + 6] = c & 0xff; 1441 req->data[off + 7] = (c >> 8) & 0xff; 1442 lba += c; 1443 count -= c; 1444 lastcount = c; 1445 ranges++; 1446 /* 1447 * Its the caller's responsibility to ensure the 1448 * request will fit so we don't need to check for 1449 * overrun here 1450 */ 1451 } 1452 lastlba = lba; 1453 TAILQ_INSERT_TAIL(&req->bps, bp1, bio_queue); 1454 bp1 = bioq_first(&softc->trim_queue); 1455 if (bp1 == NULL || 1456 bp1->bio_bcount / softc->params.secsize > 1457 (softc->trim_max_ranges - ranges) * 1458 ATA_DSM_RANGE_MAX) 1459 break; 1460 } while (1); 1461 cam_fill_ataio(ataio, 1462 ada_retry_count, 1463 adadone, 1464 CAM_DIR_OUT, 1465 0, 1466 req->data, 1467 ((ranges + ATA_DSM_BLK_RANGES - 1) / 1468 ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE, 1469 ada_default_timeout * 1000); 1470 ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT, 1471 ATA_DSM_TRIM, 0, (ranges + ATA_DSM_BLK_RANGES - 1472 1) / ATA_DSM_BLK_RANGES); 1473 start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM; 1474 start_ccb->ccb_h.flags |= CAM_UNLOCKED; 1475 goto out; 1476 } 1477 /* Run regular command. */ 1478 bp = bioq_first(&softc->bio_queue); 1479 if (bp == NULL) { 1480 xpt_release_ccb(start_ccb); 1481 break; 1482 } 1483 bioq_remove(&softc->bio_queue, bp); 1484 1485 if ((bp->bio_flags & BIO_ORDERED) != 0 1486 || (softc->flags & ADA_FLAG_NEED_OTAG) != 0) { 1487 softc->flags &= ~ADA_FLAG_NEED_OTAG; 1488 softc->flags |= ADA_FLAG_WAS_OTAG; 1489 tag_code = 0; 1490 } else { 1491 tag_code = 1; 1492 } 1493 switch (bp->bio_cmd) { 1494 case BIO_WRITE: 1495 softc->flags |= ADA_FLAG_DIRTY; 1496 /* FALLTHROUGH */ 1497 case BIO_READ: 1498 { 1499 uint64_t lba = bp->bio_pblkno; 1500 uint16_t count = bp->bio_bcount / softc->params.secsize; 1501 #ifdef ADA_TEST_FAILURE 1502 int fail = 0; 1503 1504 /* 1505 * Support the failure ioctls. If the command is a 1506 * read, and there are pending forced read errors, or 1507 * if a write and pending write errors, then fail this 1508 * operation with EIO. This is useful for testing 1509 * purposes. Also, support having every Nth read fail. 1510 * 1511 * This is a rather blunt tool. 1512 */ 1513 if (bp->bio_cmd == BIO_READ) { 1514 if (softc->force_read_error) { 1515 softc->force_read_error--; 1516 fail = 1; 1517 } 1518 if (softc->periodic_read_error > 0) { 1519 if (++softc->periodic_read_count >= 1520 softc->periodic_read_error) { 1521 softc->periodic_read_count = 0; 1522 fail = 1; 1523 } 1524 } 1525 } else { 1526 if (softc->force_write_error) { 1527 softc->force_write_error--; 1528 fail = 1; 1529 } 1530 } 1531 if (fail) { 1532 bp->bio_error = EIO; 1533 bp->bio_flags |= BIO_ERROR; 1534 biodone(bp); 1535 xpt_release_ccb(start_ccb); 1536 adaschedule(periph); 1537 return; 1538 } 1539 #endif 1540 KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 || 1541 round_page(bp->bio_bcount + bp->bio_ma_offset) / 1542 PAGE_SIZE == bp->bio_ma_n, 1543 ("Short bio %p", bp)); 1544 cam_fill_ataio(ataio, 1545 ada_retry_count, 1546 adadone, 1547 (bp->bio_cmd == BIO_READ ? CAM_DIR_IN : 1548 CAM_DIR_OUT) | ((bp->bio_flags & BIO_UNMAPPED) 1549 != 0 ? CAM_DATA_BIO : 0), 1550 tag_code, 1551 ((bp->bio_flags & BIO_UNMAPPED) != 0) ? (void *)bp : 1552 bp->bio_data, 1553 bp->bio_bcount, 1554 ada_default_timeout*1000); 1555 1556 if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) { 1557 if (bp->bio_cmd == BIO_READ) { 1558 ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED, 1559 lba, count); 1560 } else { 1561 ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED, 1562 lba, count); 1563 } 1564 } else if ((softc->flags & ADA_FLAG_CAN_48BIT) && 1565 (lba + count >= ATA_MAX_28BIT_LBA || 1566 count > 256)) { 1567 if (softc->flags & ADA_FLAG_CAN_DMA48) { 1568 if (bp->bio_cmd == BIO_READ) { 1569 ata_48bit_cmd(ataio, ATA_READ_DMA48, 1570 0, lba, count); 1571 } else { 1572 ata_48bit_cmd(ataio, ATA_WRITE_DMA48, 1573 0, lba, count); 1574 } 1575 } else { 1576 if (bp->bio_cmd == BIO_READ) { 1577 ata_48bit_cmd(ataio, ATA_READ_MUL48, 1578 0, lba, count); 1579 } else { 1580 ata_48bit_cmd(ataio, ATA_WRITE_MUL48, 1581 0, lba, count); 1582 } 1583 } 1584 } else { 1585 if (count == 256) 1586 count = 0; 1587 if (softc->flags & ADA_FLAG_CAN_DMA) { 1588 if (bp->bio_cmd == BIO_READ) { 1589 ata_28bit_cmd(ataio, ATA_READ_DMA, 1590 0, lba, count); 1591 } else { 1592 ata_28bit_cmd(ataio, ATA_WRITE_DMA, 1593 0, lba, count); 1594 } 1595 } else { 1596 if (bp->bio_cmd == BIO_READ) { 1597 ata_28bit_cmd(ataio, ATA_READ_MUL, 1598 0, lba, count); 1599 } else { 1600 ata_28bit_cmd(ataio, ATA_WRITE_MUL, 1601 0, lba, count); 1602 } 1603 } 1604 } 1605 break; 1606 } 1607 case BIO_DELETE: 1608 { 1609 uint64_t lba = bp->bio_pblkno; 1610 uint16_t count = bp->bio_bcount / softc->params.secsize; 1611 1612 cam_fill_ataio(ataio, 1613 ada_retry_count, 1614 adadone, 1615 CAM_DIR_NONE, 1616 0, 1617 NULL, 1618 0, 1619 ada_default_timeout*1000); 1620 1621 if (count >= 256) 1622 count = 0; 1623 ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count); 1624 break; 1625 } 1626 case BIO_FLUSH: 1627 cam_fill_ataio(ataio, 1628 1, 1629 adadone, 1630 CAM_DIR_NONE, 1631 0, 1632 NULL, 1633 0, 1634 ada_default_timeout*1000); 1635 1636 if (softc->flags & ADA_FLAG_CAN_48BIT) 1637 ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1638 else 1639 ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0); 1640 break; 1641 } 1642 start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO; 1643 start_ccb->ccb_h.flags |= CAM_UNLOCKED; 1644 out: 1645 start_ccb->ccb_h.ccb_bp = bp; 1646 softc->outstanding_cmds++; 1647 softc->refcount++; 1648 cam_periph_unlock(periph); 1649 xpt_action(start_ccb); 1650 cam_periph_lock(periph); 1651 softc->refcount--; 1652 1653 /* May have more work to do, so ensure we stay scheduled */ 1654 adaschedule(periph); 1655 break; 1656 } 1657 case ADA_STATE_RAHEAD: 1658 case ADA_STATE_WCACHE: 1659 { 1660 cam_fill_ataio(ataio, 1661 1, 1662 adadone, 1663 CAM_DIR_NONE, 1664 0, 1665 NULL, 1666 0, 1667 ada_default_timeout*1000); 1668 1669 if (softc->state == ADA_STATE_RAHEAD) { 1670 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ? 1671 ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0); 1672 start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD; 1673 } else { 1674 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ? 1675 ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0); 1676 start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE; 1677 } 1678 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1679 xpt_action(start_ccb); 1680 break; 1681 } 1682 } 1683 } 1684 1685 static void 1686 adadone(struct cam_periph *periph, union ccb *done_ccb) 1687 { 1688 struct ada_softc *softc; 1689 struct ccb_ataio *ataio; 1690 struct ccb_getdev *cgd; 1691 struct cam_path *path; 1692 int state; 1693 1694 softc = (struct ada_softc *)periph->softc; 1695 ataio = &done_ccb->ataio; 1696 path = done_ccb->ccb_h.path; 1697 1698 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n")); 1699 1700 state = ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK; 1701 switch (state) { 1702 case ADA_CCB_BUFFER_IO: 1703 case ADA_CCB_TRIM: 1704 { 1705 struct bio *bp; 1706 int error; 1707 1708 cam_periph_lock(periph); 1709 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1710 error = adaerror(done_ccb, 0, 0); 1711 if (error == ERESTART) { 1712 /* A retry was scheduled, so just return. */ 1713 cam_periph_unlock(periph); 1714 return; 1715 } 1716 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1717 cam_release_devq(path, 1718 /*relsim_flags*/0, 1719 /*reduction*/0, 1720 /*timeout*/0, 1721 /*getcount_only*/0); 1722 } else { 1723 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1724 panic("REQ_CMP with QFRZN"); 1725 error = 0; 1726 } 1727 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1728 bp->bio_error = error; 1729 if (error != 0) { 1730 bp->bio_resid = bp->bio_bcount; 1731 bp->bio_flags |= BIO_ERROR; 1732 } else { 1733 if (state == ADA_CCB_TRIM) 1734 bp->bio_resid = 0; 1735 else 1736 bp->bio_resid = ataio->resid; 1737 if (bp->bio_resid > 0) 1738 bp->bio_flags |= BIO_ERROR; 1739 } 1740 softc->outstanding_cmds--; 1741 if (softc->outstanding_cmds == 0) 1742 softc->flags |= ADA_FLAG_WAS_OTAG; 1743 xpt_release_ccb(done_ccb); 1744 if (state == ADA_CCB_TRIM) { 1745 TAILQ_HEAD(, bio) queue; 1746 struct bio *bp1; 1747 1748 TAILQ_INIT(&queue); 1749 TAILQ_CONCAT(&queue, &softc->trim_req.bps, bio_queue); 1750 softc->trim_running = 0; 1751 adaschedule(periph); 1752 cam_periph_unlock(periph); 1753 while ((bp1 = TAILQ_FIRST(&queue)) != NULL) { 1754 TAILQ_REMOVE(&queue, bp1, bio_queue); 1755 bp1->bio_error = error; 1756 if (error != 0) { 1757 bp1->bio_flags |= BIO_ERROR; 1758 bp1->bio_resid = bp1->bio_bcount; 1759 } else 1760 bp1->bio_resid = 0; 1761 biodone(bp1); 1762 } 1763 } else { 1764 cam_periph_unlock(periph); 1765 biodone(bp); 1766 } 1767 return; 1768 } 1769 case ADA_CCB_RAHEAD: 1770 { 1771 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1772 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1773 out: 1774 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1775 cam_release_devq(path, 0, 0, 0, FALSE); 1776 return; 1777 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1778 cam_release_devq(path, 1779 /*relsim_flags*/0, 1780 /*reduction*/0, 1781 /*timeout*/0, 1782 /*getcount_only*/0); 1783 } 1784 } 1785 1786 /* 1787 * Since our peripheral may be invalidated by an error 1788 * above or an external event, we must release our CCB 1789 * before releasing the reference on the peripheral. 1790 * The peripheral will only go away once the last reference 1791 * is removed, and we need it around for the CCB release 1792 * operation. 1793 */ 1794 cgd = (struct ccb_getdev *)done_ccb; 1795 xpt_setup_ccb(&cgd->ccb_h, path, CAM_PRIORITY_NORMAL); 1796 cgd->ccb_h.func_code = XPT_GDEV_TYPE; 1797 xpt_action((union ccb *)cgd); 1798 if (ADA_WC >= 0 && 1799 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1800 softc->state = ADA_STATE_WCACHE; 1801 xpt_release_ccb(done_ccb); 1802 xpt_schedule(periph, CAM_PRIORITY_DEV); 1803 goto out; 1804 } 1805 softc->state = ADA_STATE_NORMAL; 1806 xpt_release_ccb(done_ccb); 1807 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1808 cam_release_devq(path, 0, 0, 0, FALSE); 1809 adaschedule(periph); 1810 cam_periph_release_locked(periph); 1811 return; 1812 } 1813 case ADA_CCB_WCACHE: 1814 { 1815 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1816 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1817 goto out; 1818 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1819 cam_release_devq(path, 1820 /*relsim_flags*/0, 1821 /*reduction*/0, 1822 /*timeout*/0, 1823 /*getcount_only*/0); 1824 } 1825 } 1826 1827 softc->state = ADA_STATE_NORMAL; 1828 /* 1829 * Since our peripheral may be invalidated by an error 1830 * above or an external event, we must release our CCB 1831 * before releasing the reference on the peripheral. 1832 * The peripheral will only go away once the last reference 1833 * is removed, and we need it around for the CCB release 1834 * operation. 1835 */ 1836 xpt_release_ccb(done_ccb); 1837 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1838 cam_release_devq(path, 0, 0, 0, FALSE); 1839 adaschedule(periph); 1840 cam_periph_release_locked(periph); 1841 return; 1842 } 1843 case ADA_CCB_DUMP: 1844 /* No-op. We're polling */ 1845 return; 1846 default: 1847 break; 1848 } 1849 xpt_release_ccb(done_ccb); 1850 } 1851 1852 static int 1853 adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1854 { 1855 1856 return(cam_periph_error(ccb, cam_flags, sense_flags, NULL)); 1857 } 1858 1859 static void 1860 adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd) 1861 { 1862 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1863 struct disk_params *dp = &softc->params; 1864 u_int64_t lbasize48; 1865 u_int32_t lbasize; 1866 1867 dp->secsize = ata_logical_sector_size(&cgd->ident_data); 1868 if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) && 1869 cgd->ident_data.current_heads && cgd->ident_data.current_sectors) { 1870 dp->heads = cgd->ident_data.current_heads; 1871 dp->secs_per_track = cgd->ident_data.current_sectors; 1872 dp->cylinders = cgd->ident_data.cylinders; 1873 dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 | 1874 ((u_int32_t)cgd->ident_data.current_size_2 << 16); 1875 } else { 1876 dp->heads = cgd->ident_data.heads; 1877 dp->secs_per_track = cgd->ident_data.sectors; 1878 dp->cylinders = cgd->ident_data.cylinders; 1879 dp->sectors = cgd->ident_data.cylinders * dp->heads * dp->secs_per_track; 1880 } 1881 lbasize = (u_int32_t)cgd->ident_data.lba_size_1 | 1882 ((u_int32_t)cgd->ident_data.lba_size_2 << 16); 1883 1884 /* use the 28bit LBA size if valid or bigger than the CHS mapping */ 1885 if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize) 1886 dp->sectors = lbasize; 1887 1888 /* use the 48bit LBA size if valid */ 1889 lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) | 1890 ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) | 1891 ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) | 1892 ((u_int64_t)cgd->ident_data.lba_size48_4 << 48); 1893 if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) && 1894 lbasize48 > ATA_MAX_28BIT_LBA) 1895 dp->sectors = lbasize48; 1896 } 1897 1898 static void 1899 adasendorderedtag(void *arg) 1900 { 1901 struct ada_softc *softc = arg; 1902 1903 if (ada_send_ordered) { 1904 if (softc->outstanding_cmds > 0) { 1905 if ((softc->flags & ADA_FLAG_WAS_OTAG) == 0) 1906 softc->flags |= ADA_FLAG_NEED_OTAG; 1907 softc->flags &= ~ADA_FLAG_WAS_OTAG; 1908 } 1909 } 1910 /* Queue us up again */ 1911 callout_reset(&softc->sendordered_c, 1912 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1913 adasendorderedtag, softc); 1914 } 1915 1916 /* 1917 * Step through all ADA peripheral drivers, and if the device is still open, 1918 * sync the disk cache to physical media. 1919 */ 1920 static void 1921 adaflush(void) 1922 { 1923 struct cam_periph *periph; 1924 struct ada_softc *softc; 1925 union ccb *ccb; 1926 int error; 1927 1928 CAM_PERIPH_FOREACH(periph, &adadriver) { 1929 softc = (struct ada_softc *)periph->softc; 1930 if (SCHEDULER_STOPPED()) { 1931 /* If we paniced with the lock held, do not recurse. */ 1932 if (!cam_periph_owned(periph) && 1933 (softc->flags & ADA_FLAG_OPEN)) { 1934 adadump(softc->disk, NULL, 0, 0, 0); 1935 } 1936 continue; 1937 } 1938 cam_periph_lock(periph); 1939 /* 1940 * We only sync the cache if the drive is still open, and 1941 * if the drive is capable of it.. 1942 */ 1943 if (((softc->flags & ADA_FLAG_OPEN) == 0) || 1944 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) { 1945 cam_periph_unlock(periph); 1946 continue; 1947 } 1948 1949 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1950 cam_fill_ataio(&ccb->ataio, 1951 0, 1952 adadone, 1953 CAM_DIR_NONE, 1954 0, 1955 NULL, 1956 0, 1957 ada_default_timeout*1000); 1958 if (softc->flags & ADA_FLAG_CAN_48BIT) 1959 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1960 else 1961 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 1962 1963 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 1964 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 1965 softc->disk->d_devstat); 1966 if (error != 0) 1967 xpt_print(periph->path, "Synchronize cache failed\n"); 1968 xpt_release_ccb(ccb); 1969 cam_periph_unlock(periph); 1970 } 1971 } 1972 1973 static void 1974 adaspindown(uint8_t cmd, int flags) 1975 { 1976 struct cam_periph *periph; 1977 struct ada_softc *softc; 1978 union ccb *ccb; 1979 int error; 1980 1981 CAM_PERIPH_FOREACH(periph, &adadriver) { 1982 /* If we paniced with lock held - not recurse here. */ 1983 if (cam_periph_owned(periph)) 1984 continue; 1985 cam_periph_lock(periph); 1986 softc = (struct ada_softc *)periph->softc; 1987 /* 1988 * We only spin-down the drive if it is capable of it.. 1989 */ 1990 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 1991 cam_periph_unlock(periph); 1992 continue; 1993 } 1994 1995 if (bootverbose) 1996 xpt_print(periph->path, "spin-down\n"); 1997 1998 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1999 cam_fill_ataio(&ccb->ataio, 2000 0, 2001 adadone, 2002 CAM_DIR_NONE | flags, 2003 0, 2004 NULL, 2005 0, 2006 ada_default_timeout*1000); 2007 ata_28bit_cmd(&ccb->ataio, cmd, 0, 0, 0); 2008 2009 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 2010 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 2011 softc->disk->d_devstat); 2012 if (error != 0) 2013 xpt_print(periph->path, "Spin-down disk failed\n"); 2014 xpt_release_ccb(ccb); 2015 cam_periph_unlock(periph); 2016 } 2017 } 2018 2019 static void 2020 adashutdown(void *arg, int howto) 2021 { 2022 2023 adaflush(); 2024 if (ada_spindown_shutdown != 0 && 2025 (howto & (RB_HALT | RB_POWEROFF)) != 0) 2026 adaspindown(ATA_STANDBY_IMMEDIATE, 0); 2027 } 2028 2029 static void 2030 adasuspend(void *arg) 2031 { 2032 2033 adaflush(); 2034 if (ada_spindown_suspend != 0) 2035 adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE); 2036 } 2037 2038 static void 2039 adaresume(void *arg) 2040 { 2041 struct cam_periph *periph; 2042 struct ada_softc *softc; 2043 2044 if (ada_spindown_suspend == 0) 2045 return; 2046 2047 CAM_PERIPH_FOREACH(periph, &adadriver) { 2048 cam_periph_lock(periph); 2049 softc = (struct ada_softc *)periph->softc; 2050 /* 2051 * We only spin-down the drive if it is capable of it.. 2052 */ 2053 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2054 cam_periph_unlock(periph); 2055 continue; 2056 } 2057 2058 if (bootverbose) 2059 xpt_print(periph->path, "resume\n"); 2060 2061 /* 2062 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on 2063 * sleep request. 2064 */ 2065 cam_release_devq(periph->path, 2066 /*relsim_flags*/0, 2067 /*openings*/0, 2068 /*timeout*/0, 2069 /*getcount_only*/0); 2070 2071 cam_periph_unlock(periph); 2072 } 2073 } 2074 2075 #endif /* _KERNEL */ 2076