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#include "opt_ata.h" 32 33#include <sys/param.h> 34 35#ifdef _KERNEL 36#include <sys/systm.h> 37#include <sys/kernel.h> 38#include <sys/bio.h> 39#include <sys/sysctl.h> 40#include <sys/taskqueue.h> 41#include <sys/lock.h> 42#include <sys/mutex.h> 43#include <sys/conf.h> 44#include <sys/devicestat.h> 45#include <sys/eventhandler.h> 46#include <sys/malloc.h> 47#include <sys/cons.h> 48#include <sys/proc.h> 49#include <sys/reboot.h> 50#include <geom/geom_disk.h> 51#endif /* _KERNEL */ 52 53#ifndef _KERNEL 54#include <stdio.h> 55#include <string.h> 56#endif /* _KERNEL */ 57 58#include <cam/cam.h> 59#include <cam/cam_ccb.h> 60#include <cam/cam_periph.h> 61#include <cam/cam_xpt_periph.h> 62#include <cam/cam_sim.h> 63 64#include <cam/ata/ata_all.h> 65 66#include <machine/md_var.h> /* geometry translation */ 67 68#ifdef _KERNEL 69 70#define ATA_MAX_28BIT_LBA 268435455UL 71 72typedef enum { 73 ADA_STATE_RAHEAD, 74 ADA_STATE_WCACHE, 75 ADA_STATE_NORMAL 76} ada_state; 77 78typedef enum { 79 ADA_FLAG_CAN_48BIT = 0x0002, 80 ADA_FLAG_CAN_FLUSHCACHE = 0x0004, 81 ADA_FLAG_CAN_NCQ = 0x0008, 82 ADA_FLAG_CAN_DMA = 0x0010, 83 ADA_FLAG_NEED_OTAG = 0x0020, 84 ADA_FLAG_WAS_OTAG = 0x0040, 85 ADA_FLAG_CAN_TRIM = 0x0080, 86 ADA_FLAG_OPEN = 0x0100, 87 ADA_FLAG_SCTX_INIT = 0x0200, 88 ADA_FLAG_CAN_CFA = 0x0400, 89 ADA_FLAG_CAN_POWERMGT = 0x0800, 90 ADA_FLAG_CAN_DMA48 = 0x1000, 91 ADA_FLAG_DIRTY = 0x2000 92} ada_flags; 93 94typedef enum { 95 ADA_Q_NONE = 0x00, 96 ADA_Q_4K = 0x01, 97} ada_quirks; 98 99#define ADA_Q_BIT_STRING \ 100 "\020" \ 101 "\0014K" 102 103typedef enum { 104 ADA_CCB_RAHEAD = 0x01, 105 ADA_CCB_WCACHE = 0x02, 106 ADA_CCB_BUFFER_IO = 0x03, 107 ADA_CCB_WAITING = 0x04, 108 ADA_CCB_DUMP = 0x05, 109 ADA_CCB_TRIM = 0x06, 110 ADA_CCB_TYPE_MASK = 0x0F, 111} ada_ccb_state; 112 113/* Offsets into our private area for storing information */ 114#define ccb_state ppriv_field0 115#define ccb_bp ppriv_ptr1 116 117struct disk_params { 118 u_int8_t heads; 119 u_int8_t secs_per_track; 120 u_int32_t cylinders; 121 u_int32_t secsize; /* Number of bytes/logical sector */ 122 u_int64_t sectors; /* Total number sectors */ 123}; 124 125#define TRIM_MAX_BLOCKS 8 126#define TRIM_MAX_RANGES (TRIM_MAX_BLOCKS * ATA_DSM_BLK_RANGES) 127struct trim_request { 128 uint8_t data[TRIM_MAX_RANGES * ATA_DSM_RANGE_SIZE]; 129 TAILQ_HEAD(, bio) bps; 130}; 131 132struct ada_softc { 133 struct bio_queue_head bio_queue; 134 struct bio_queue_head trim_queue; 135 int outstanding_cmds; /* Number of active commands */ 136 int refcount; /* Active xpt_action() calls */ 137 ada_state state; 138 ada_flags flags; 139 ada_quirks quirks; 140 int sort_io_queue; 141 int trim_max_ranges; 142 int trim_running; 143 int read_ahead; 144 int write_cache; 145#ifdef ADA_TEST_FAILURE 146 int force_read_error; 147 int force_write_error; 148 int periodic_read_error; 149 int periodic_read_count; 150#endif 151 struct disk_params params; 152 struct disk *disk; 153 struct task sysctl_task; 154 struct sysctl_ctx_list sysctl_ctx; 155 struct sysctl_oid *sysctl_tree; 156 struct callout sendordered_c; 157 struct trim_request trim_req; 158}; 159 160struct ada_quirk_entry { 161 struct scsi_inquiry_pattern inq_pat; 162 ada_quirks quirks; 163}; 164 165static struct ada_quirk_entry ada_quirk_table[] = 166{ 167 { 168 /* Hitachi Advanced Format (4k) drives */ 169 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Hitachi H??????????E3*", "*" }, 170 /*quirks*/ADA_Q_4K 171 }, 172 { 173 /* Samsung Advanced Format (4k) drives */ 174 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD155UI*", "*" }, 175 /*quirks*/ADA_Q_4K 176 }, 177 { 178 /* Samsung Advanced Format (4k) drives */ 179 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD204UI*", "*" }, 180 /*quirks*/ADA_Q_4K 181 }, 182 { 183 /* Seagate Barracuda Green Advanced Format (4k) drives */ 184 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DL*", "*" }, 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 Barracuda Advanced Format (4k) drives */ 194 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DM*", "*" }, 195 /*quirks*/ADA_Q_4K 196 }, 197 { 198 /* Seagate Momentus Advanced Format (4k) drives */ 199 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500423AS*", "*" }, 200 /*quirks*/ADA_Q_4K 201 }, 202 { 203 /* Seagate Momentus Advanced Format (4k) drives */ 204 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500424AS*", "*" }, 205 /*quirks*/ADA_Q_4K 206 }, 207 { 208 /* Seagate Momentus Advanced Format (4k) drives */ 209 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640423AS*", "*" }, 210 /*quirks*/ADA_Q_4K 211 }, 212 { 213 /* Seagate Momentus Advanced Format (4k) drives */ 214 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640424AS*", "*" }, 215 /*quirks*/ADA_Q_4K 216 }, 217 { 218 /* Seagate Momentus Advanced Format (4k) drives */ 219 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750420AS*", "*" }, 220 /*quirks*/ADA_Q_4K 221 }, 222 { 223 /* Seagate Momentus Advanced Format (4k) drives */ 224 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750422AS*", "*" }, 225 /*quirks*/ADA_Q_4K 226 }, 227 { 228 /* Seagate Momentus Advanced Format (4k) drives */ 229 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750423AS*", "*" }, 230 /*quirks*/ADA_Q_4K 231 }, 232 { 233 /* Seagate Momentus Thin Advanced Format (4k) drives */ 234 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???LT*", "*" }, 235 /*quirks*/ADA_Q_4K 236 }, 237 { 238 /* WDC Caviar Green Advanced Format (4k) drives */ 239 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RS*", "*" }, 240 /*quirks*/ADA_Q_4K 241 }, 242 { 243 /* WDC Caviar Green Advanced Format (4k) drives */ 244 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RX*", "*" }, 245 /*quirks*/ADA_Q_4K 246 }, 247 { 248 /* WDC Caviar Green Advanced Format (4k) drives */ 249 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RS*", "*" }, 250 /*quirks*/ADA_Q_4K 251 }, 252 { 253 /* WDC Caviar Green Advanced Format (4k) drives */ 254 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RX*", "*" }, 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 Black Advanced Format (4k) drives */ 264 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PKT*", "*" }, 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 /* WDC Scorpio Blue Advanced Format (4k) drives */ 274 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PVT*", "*" }, 275 /*quirks*/ADA_Q_4K 276 }, 277 /* SSDs */ 278 { 279 /* 280 * Corsair Force 2 SSDs 281 * 4k optimised & trim only works in 4k requests + 4k aligned 282 */ 283 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair CSSD-F*", "*" }, 284 /*quirks*/ADA_Q_4K 285 }, 286 { 287 /* 288 * Corsair Force 3 SSDs 289 * 4k optimised & trim only works in 4k requests + 4k aligned 290 */ 291 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force 3*", "*" }, 292 /*quirks*/ADA_Q_4K 293 }, 294 { 295 /* 296 * Corsair Neutron GTX SSDs 297 * 4k optimised & trim only works in 4k requests + 4k aligned 298 */ 299 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" }, 300 /*quirks*/ADA_Q_4K 301 }, 302 { 303 /* 304 * Corsair Force GT SSDs 305 * 4k optimised & trim only works in 4k requests + 4k aligned 306 */ 307 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force GT*", "*" }, 308 /*quirks*/ADA_Q_4K 309 }, 310 { 311 /* 312 * Crucial M4 SSDs 313 * 4k optimised & trim only works in 4k requests + 4k aligned 314 */ 315 { T_DIRECT, SIP_MEDIA_FIXED, "*", "M4-CT???M4SSD2*", "*" }, 316 /*quirks*/ADA_Q_4K 317 }, 318 { 319 /* 320 * Crucial RealSSD C300 SSDs 321 * 4k optimised 322 */ 323 { T_DIRECT, SIP_MEDIA_FIXED, "*", "C300-CTFDDAC???MAG*", 324 "*" }, /*quirks*/ADA_Q_4K 325 }, 326 { 327 /* 328 * Intel 320 Series SSDs 329 * 4k optimised & trim only works in 4k requests + 4k aligned 330 */ 331 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2CW*", "*" }, 332 /*quirks*/ADA_Q_4K 333 }, 334 { 335 /* 336 * Intel 330 Series SSDs 337 * 4k optimised & trim only works in 4k requests + 4k aligned 338 */ 339 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2CT*", "*" }, 340 /*quirks*/ADA_Q_4K 341 }, 342 { 343 /* 344 * Intel 510 Series SSDs 345 * 4k optimised & trim only works in 4k requests + 4k aligned 346 */ 347 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2MH*", "*" }, 348 /*quirks*/ADA_Q_4K 349 }, 350 { 351 /* 352 * Intel 520 Series SSDs 353 * 4k optimised & trim only works in 4k requests + 4k aligned 354 */ 355 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2BW*", "*" }, 356 /*quirks*/ADA_Q_4K 357 }, 358 { 359 /* 360 * Intel X25-M Series SSDs 361 * 4k optimised & trim only works in 4k requests + 4k aligned 362 */ 363 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2M*", "*" }, 364 /*quirks*/ADA_Q_4K 365 }, 366 { 367 /* 368 * Kingston E100 Series SSDs 369 * 4k optimised & trim only works in 4k requests + 4k aligned 370 */ 371 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SE100S3*", "*" }, 372 /*quirks*/ADA_Q_4K 373 }, 374 { 375 /* 376 * Kingston HyperX 3k SSDs 377 * 4k optimised & trim only works in 4k requests + 4k aligned 378 */ 379 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SH103S3*", "*" }, 380 /*quirks*/ADA_Q_4K 381 }, 382 { 383 /* 384 * Marvell SSDs (entry taken from OpenSolaris) 385 * 4k optimised & trim only works in 4k requests + 4k aligned 386 */ 387 { T_DIRECT, SIP_MEDIA_FIXED, "*", "MARVELL SD88SA02*", "*" }, 388 /*quirks*/ADA_Q_4K 389 }, 390 { 391 /* 392 * OCZ Agility 2 SSDs 393 * 4k optimised & trim only works in 4k requests + 4k aligned 394 */ 395 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" }, 396 /*quirks*/ADA_Q_4K 397 }, 398 { 399 /* 400 * OCZ Agility 3 SSDs 401 * 4k optimised & trim only works in 4k requests + 4k aligned 402 */ 403 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY3*", "*" }, 404 /*quirks*/ADA_Q_4K 405 }, 406 { 407 /* 408 * OCZ Deneva R Series SSDs 409 * 4k optimised & trim only works in 4k requests + 4k aligned 410 */ 411 { T_DIRECT, SIP_MEDIA_FIXED, "*", "DENRSTE251M45*", "*" }, 412 /*quirks*/ADA_Q_4K 413 }, 414 { 415 /* 416 * OCZ Vertex 2 SSDs (inc pro series) 417 * 4k optimised & trim only works in 4k requests + 4k aligned 418 */ 419 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ?VERTEX2*", "*" }, 420 /*quirks*/ADA_Q_4K 421 }, 422 { 423 /* 424 * OCZ Vertex 3 SSDs 425 * 4k optimised & trim only works in 4k requests + 4k aligned 426 */ 427 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX3*", "*" }, 428 /*quirks*/ADA_Q_4K 429 }, 430 { 431 /* 432 * OCZ Vertex 4 SSDs 433 * 4k optimised & trim only works in 4k requests + 4k aligned 434 */ 435 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX4*", "*" }, 436 /*quirks*/ADA_Q_4K 437 }, 438 { 439 /* 440 * Samsung 830 Series SSDs 441 * 4k optimised 442 */ 443 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG SSD 830 Series*", "*" }, 444 /*quirks*/ADA_Q_4K 445 }, 446 { 447 /* 448 * SuperTalent TeraDrive CT SSDs 449 * 4k optimised & trim only works in 4k requests + 4k aligned 450 */ 451 { T_DIRECT, SIP_MEDIA_FIXED, "*", "FTM??CT25H*", "*" }, 452 /*quirks*/ADA_Q_4K 453 }, 454 { 455 /* 456 * XceedIOPS SATA SSDs 457 * 4k optimised 458 */ 459 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SG9XCS2D*", "*" }, 460 /*quirks*/ADA_Q_4K 461 }, 462 { 463 /* Default */ 464 { 465 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 466 /*vendor*/"*", /*product*/"*", /*revision*/"*" 467 }, 468 /*quirks*/0 469 }, 470}; 471 472static disk_strategy_t adastrategy; 473static dumper_t adadump; 474static periph_init_t adainit; 475static void adaasync(void *callback_arg, u_int32_t code, 476 struct cam_path *path, void *arg); 477static void adasysctlinit(void *context, int pending); 478static periph_ctor_t adaregister; 479static periph_dtor_t adacleanup; 480static periph_start_t adastart; 481static periph_oninv_t adaoninvalidate; 482static void adadone(struct cam_periph *periph, 483 union ccb *done_ccb); 484static int adaerror(union ccb *ccb, u_int32_t cam_flags, 485 u_int32_t sense_flags); 486static void adagetparams(struct cam_periph *periph, 487 struct ccb_getdev *cgd); 488static timeout_t adasendorderedtag; 489static void adashutdown(void *arg, int howto); 490static void adasuspend(void *arg); 491static void adaresume(void *arg); 492 493#ifndef ADA_DEFAULT_LEGACY_ALIASES 494#ifdef ATA_CAM 495#define ADA_DEFAULT_LEGACY_ALIASES 1 496#else 497#define ADA_DEFAULT_LEGACY_ALIASES 0 498#endif 499#endif 500 501#ifndef ADA_DEFAULT_TIMEOUT 502#define ADA_DEFAULT_TIMEOUT 30 /* Timeout in seconds */ 503#endif 504 505#ifndef ADA_DEFAULT_RETRY 506#define ADA_DEFAULT_RETRY 4 507#endif 508 509#ifndef ADA_DEFAULT_SEND_ORDERED 510#define ADA_DEFAULT_SEND_ORDERED 1 511#endif 512 513#ifndef ADA_DEFAULT_SPINDOWN_SHUTDOWN 514#define ADA_DEFAULT_SPINDOWN_SHUTDOWN 1 515#endif 516 517#ifndef ADA_DEFAULT_SPINDOWN_SUSPEND 518#define ADA_DEFAULT_SPINDOWN_SUSPEND 1 519#endif 520 521#ifndef ADA_DEFAULT_READ_AHEAD 522#define ADA_DEFAULT_READ_AHEAD 1 523#endif 524 525#ifndef ADA_DEFAULT_WRITE_CACHE 526#define ADA_DEFAULT_WRITE_CACHE 1 527#endif 528 529#define ADA_RA (softc->read_ahead >= 0 ? \ 530 softc->read_ahead : ada_read_ahead) 531#define ADA_WC (softc->write_cache >= 0 ? \ 532 softc->write_cache : ada_write_cache) 533#define ADA_SIO (softc->sort_io_queue >= 0 ? \ 534 softc->sort_io_queue : cam_sort_io_queues) 535 536/* 537 * Most platforms map firmware geometry to actual, but some don't. If 538 * not overridden, default to nothing. 539 */ 540#ifndef ata_disk_firmware_geom_adjust 541#define ata_disk_firmware_geom_adjust(disk) 542#endif 543 544static int ada_legacy_aliases = ADA_DEFAULT_LEGACY_ALIASES; 545static int ada_retry_count = ADA_DEFAULT_RETRY; 546static int ada_default_timeout = ADA_DEFAULT_TIMEOUT; 547static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED; 548static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN; 549static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND; 550static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD; 551static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE; 552 553static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD, 0, 554 "CAM Direct Access Disk driver"); 555SYSCTL_INT(_kern_cam_ada, OID_AUTO, legacy_aliases, CTLFLAG_RW, 556 &ada_legacy_aliases, 0, "Create legacy-like device aliases"); 557TUNABLE_INT("kern.cam.ada.legacy_aliases", &ada_legacy_aliases); 558SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RW, 559 &ada_retry_count, 0, "Normal I/O retry count"); 560TUNABLE_INT("kern.cam.ada.retry_count", &ada_retry_count); 561SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RW, 562 &ada_default_timeout, 0, "Normal I/O timeout (in seconds)"); 563TUNABLE_INT("kern.cam.ada.default_timeout", &ada_default_timeout); 564SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RW, 565 &ada_send_ordered, 0, "Send Ordered Tags"); 566TUNABLE_INT("kern.cam.ada.send_ordered", &ada_send_ordered); 567SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RW, 568 &ada_spindown_shutdown, 0, "Spin down upon shutdown"); 569TUNABLE_INT("kern.cam.ada.spindown_shutdown", &ada_spindown_shutdown); 570SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RW, 571 &ada_spindown_suspend, 0, "Spin down upon suspend"); 572TUNABLE_INT("kern.cam.ada.spindown_suspend", &ada_spindown_suspend); 573SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RW, 574 &ada_read_ahead, 0, "Enable disk read-ahead"); 575TUNABLE_INT("kern.cam.ada.read_ahead", &ada_read_ahead); 576SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RW, 577 &ada_write_cache, 0, "Enable disk write cache"); 578TUNABLE_INT("kern.cam.ada.write_cache", &ada_write_cache); 579 580/* 581 * ADA_ORDEREDTAG_INTERVAL determines how often, relative 582 * to the default timeout, we check to see whether an ordered 583 * tagged transaction is appropriate to prevent simple tag 584 * starvation. Since we'd like to ensure that there is at least 585 * 1/2 of the timeout length left for a starved transaction to 586 * complete after we've sent an ordered tag, we must poll at least 587 * four times in every timeout period. This takes care of the worst 588 * case where a starved transaction starts during an interval that 589 * meets the requirement "don't send an ordered tag" test so it takes 590 * us two intervals to determine that a tag must be sent. 591 */ 592#ifndef ADA_ORDEREDTAG_INTERVAL 593#define ADA_ORDEREDTAG_INTERVAL 4 594#endif 595 596static struct periph_driver adadriver = 597{ 598 adainit, "ada", 599 TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0 600}; 601 602PERIPHDRIVER_DECLARE(ada, adadriver); 603 604static MALLOC_DEFINE(M_ATADA, "ata_da", "ata_da buffers"); 605 606static int 607adaopen(struct disk *dp) 608{ 609 struct cam_periph *periph; 610 struct ada_softc *softc; 611 int error; 612 613 periph = (struct cam_periph *)dp->d_drv1; 614 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 615 return(ENXIO); 616 } 617 618 cam_periph_lock(periph); 619 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 620 cam_periph_unlock(periph); 621 cam_periph_release(periph); 622 return (error); 623 } 624 625 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 626 ("adaopen\n")); 627 628 softc = (struct ada_softc *)periph->softc; 629 softc->flags |= ADA_FLAG_OPEN; 630 631 cam_periph_unhold(periph); 632 cam_periph_unlock(periph); 633 return (0); 634} 635 636static int 637adaclose(struct disk *dp) 638{ 639 struct cam_periph *periph; 640 struct ada_softc *softc; 641 union ccb *ccb; 642 int error; 643 644 periph = (struct cam_periph *)dp->d_drv1; 645 cam_periph_lock(periph); 646 if (cam_periph_hold(periph, PRIBIO) != 0) { 647 cam_periph_unlock(periph); 648 cam_periph_release(periph); 649 return (0); 650 } 651 652 softc = (struct ada_softc *)periph->softc; 653 654 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 655 ("adaclose\n")); 656 657 /* We only sync the cache if the drive is capable of it. */ 658 if ((softc->flags & ADA_FLAG_DIRTY) != 0 && 659 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 && 660 (periph->flags & CAM_PERIPH_INVALID) == 0) { 661 662 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 663 cam_fill_ataio(&ccb->ataio, 664 1, 665 adadone, 666 CAM_DIR_NONE, 667 0, 668 NULL, 669 0, 670 ada_default_timeout*1000); 671 672 if (softc->flags & ADA_FLAG_CAN_48BIT) 673 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 674 else 675 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 676 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 677 /*sense_flags*/0, softc->disk->d_devstat); 678 679 if (error != 0) 680 xpt_print(periph->path, "Synchronize cache failed\n"); 681 else 682 softc->flags &= ~ADA_FLAG_DIRTY; 683 xpt_release_ccb(ccb); 684 } 685 686 softc->flags &= ~ADA_FLAG_OPEN; 687 cam_periph_unhold(periph); 688 cam_periph_unlock(periph); 689 cam_periph_release(periph); 690 return (0); 691} 692 693static void 694adaschedule(struct cam_periph *periph) 695{ 696 struct ada_softc *softc = (struct ada_softc *)periph->softc; 697 uint32_t prio; 698 699 if (softc->state != ADA_STATE_NORMAL) 700 return; 701 702 /* Check if cam_periph_getccb() was called. */ 703 prio = periph->immediate_priority; 704 705 /* Check if we have more work to do. */ 706 if (bioq_first(&softc->bio_queue) || 707 (!softc->trim_running && bioq_first(&softc->trim_queue))) { 708 prio = CAM_PRIORITY_NORMAL; 709 } 710 711 /* Schedule CCB if any of above is true. */ 712 if (prio != CAM_PRIORITY_NONE) 713 xpt_schedule(periph, prio); 714} 715 716/* 717 * Actually translate the requested transfer into one the physical driver 718 * can understand. The transfer is described by a buf and will include 719 * only one physical transfer. 720 */ 721static void 722adastrategy(struct bio *bp) 723{ 724 struct cam_periph *periph; 725 struct ada_softc *softc; 726 727 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 728 softc = (struct ada_softc *)periph->softc; 729 730 cam_periph_lock(periph); 731 732 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp)); 733 734 /* 735 * If the device has been made invalid, error out 736 */ 737 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 738 cam_periph_unlock(periph); 739 biofinish(bp, NULL, ENXIO); 740 return; 741 } 742 743 /* 744 * Place it in the queue of disk activities for this disk 745 */ 746 if (bp->bio_cmd == BIO_DELETE && 747 (softc->flags & ADA_FLAG_CAN_TRIM)) { 748 if (ADA_SIO) 749 bioq_disksort(&softc->trim_queue, bp); 750 else 751 bioq_insert_tail(&softc->trim_queue, bp); 752 } else { 753 if (ADA_SIO) 754 bioq_disksort(&softc->bio_queue, bp); 755 else 756 bioq_insert_tail(&softc->bio_queue, bp); 757 } 758 759 /* 760 * Schedule ourselves for performing the work. 761 */ 762 adaschedule(periph); 763 cam_periph_unlock(periph); 764 765 return; 766} 767 768static int 769adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 770{ 771 struct cam_periph *periph; 772 struct ada_softc *softc; 773 u_int secsize; 774 union ccb ccb; 775 struct disk *dp; 776 uint64_t lba; 777 uint16_t count; 778 int error = 0; 779 780 dp = arg; 781 periph = dp->d_drv1; 782 softc = (struct ada_softc *)periph->softc; 783 cam_periph_lock(periph); 784 secsize = softc->params.secsize; 785 lba = offset / secsize; 786 count = length / secsize; 787 788 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 789 cam_periph_unlock(periph); 790 return (ENXIO); 791 } 792 793 if (length > 0) { 794 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 795 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 796 cam_fill_ataio(&ccb.ataio, 797 0, 798 adadone, 799 CAM_DIR_OUT, 800 0, 801 (u_int8_t *) virtual, 802 length, 803 ada_default_timeout*1000); 804 if ((softc->flags & ADA_FLAG_CAN_48BIT) && 805 (lba + count >= ATA_MAX_28BIT_LBA || 806 count >= 256)) { 807 ata_48bit_cmd(&ccb.ataio, ATA_WRITE_DMA48, 808 0, lba, count); 809 } else { 810 ata_28bit_cmd(&ccb.ataio, ATA_WRITE_DMA, 811 0, lba, count); 812 } 813 xpt_polled_action(&ccb); 814 815 error = cam_periph_error(&ccb, 816 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 817 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 818 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 819 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 820 if (error != 0) 821 printf("Aborting dump due to I/O error.\n"); 822 823 cam_periph_unlock(periph); 824 return (error); 825 } 826 827 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { 828 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 829 830 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 831 cam_fill_ataio(&ccb.ataio, 832 0, 833 adadone, 834 CAM_DIR_NONE, 835 0, 836 NULL, 837 0, 838 ada_default_timeout*1000); 839 840 if (softc->flags & ADA_FLAG_CAN_48BIT) 841 ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); 842 else 843 ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); 844 xpt_polled_action(&ccb); 845 846 error = cam_periph_error(&ccb, 847 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 848 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 849 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 850 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 851 if (error != 0) 852 xpt_print(periph->path, "Synchronize cache failed\n"); 853 } 854 cam_periph_unlock(periph); 855 return (error); 856} 857 858static void 859adainit(void) 860{ 861 cam_status status; 862 863 /* 864 * Install a global async callback. This callback will 865 * receive async callbacks like "new device found". 866 */ 867 status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL); 868 869 if (status != CAM_REQ_CMP) { 870 printf("ada: Failed to attach master async callback " 871 "due to status 0x%x!\n", status); 872 } else if (ada_send_ordered) { 873 874 /* Register our event handlers */ 875 if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend, 876 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 877 printf("adainit: power event registration failed!\n"); 878 if ((EVENTHANDLER_REGISTER(power_resume, adaresume, 879 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 880 printf("adainit: power event registration failed!\n"); 881 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown, 882 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 883 printf("adainit: shutdown event registration failed!\n"); 884 } 885} 886 887/* 888 * Callback from GEOM, called when it has finished cleaning up its 889 * resources. 890 */ 891static void 892adadiskgonecb(struct disk *dp) 893{ 894 struct cam_periph *periph; 895 896 periph = (struct cam_periph *)dp->d_drv1; 897 898 cam_periph_release(periph); 899} 900 901static void 902adaoninvalidate(struct cam_periph *periph) 903{ 904 struct ada_softc *softc; 905 906 softc = (struct ada_softc *)periph->softc; 907 908 /* 909 * De-register any async callbacks. 910 */ 911 xpt_register_async(0, adaasync, periph, periph->path); 912 913 /* 914 * Return all queued I/O with ENXIO. 915 * XXX Handle any transactions queued to the card 916 * with XPT_ABORT_CCB. 917 */ 918 bioq_flush(&softc->bio_queue, NULL, ENXIO); 919 bioq_flush(&softc->trim_queue, NULL, ENXIO); 920 921 disk_gone(softc->disk); 922} 923 924static void 925adacleanup(struct cam_periph *periph) 926{ 927 struct ada_softc *softc; 928 929 softc = (struct ada_softc *)periph->softc; 930 931 cam_periph_unlock(periph); 932 933 /* 934 * If we can't free the sysctl tree, oh well... 935 */ 936 if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0 937 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 938 xpt_print(periph->path, "can't remove sysctl context\n"); 939 } 940 941 disk_destroy(softc->disk); 942 callout_drain(&softc->sendordered_c); 943 free(softc, M_DEVBUF); 944 cam_periph_lock(periph); 945} 946 947static void 948adaasync(void *callback_arg, u_int32_t code, 949 struct cam_path *path, void *arg) 950{ 951 struct ccb_getdev cgd; 952 struct cam_periph *periph; 953 struct ada_softc *softc; 954 955 periph = (struct cam_periph *)callback_arg; 956 switch (code) { 957 case AC_FOUND_DEVICE: 958 { 959 struct ccb_getdev *cgd; 960 cam_status status; 961 962 cgd = (struct ccb_getdev *)arg; 963 if (cgd == NULL) 964 break; 965 966 if (cgd->protocol != PROTO_ATA) 967 break; 968 969 /* 970 * Allocate a peripheral instance for 971 * this device and start the probe 972 * process. 973 */ 974 status = cam_periph_alloc(adaregister, adaoninvalidate, 975 adacleanup, adastart, 976 "ada", CAM_PERIPH_BIO, 977 cgd->ccb_h.path, adaasync, 978 AC_FOUND_DEVICE, cgd); 979 980 if (status != CAM_REQ_CMP 981 && status != CAM_REQ_INPROG) 982 printf("adaasync: Unable to attach to new device " 983 "due to status 0x%x\n", status); 984 break; 985 } 986 case AC_GETDEV_CHANGED: 987 { 988 softc = (struct ada_softc *)periph->softc; 989 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 990 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 991 xpt_action((union ccb *)&cgd); 992 993 if ((cgd.ident_data.capabilities1 & ATA_SUPPORT_DMA) && 994 (cgd.inq_flags & SID_DMA)) 995 softc->flags |= ADA_FLAG_CAN_DMA; 996 else 997 softc->flags &= ~ADA_FLAG_CAN_DMA; 998 if (cgd.ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 999 softc->flags |= ADA_FLAG_CAN_48BIT; 1000 if (cgd.inq_flags & SID_DMA48) 1001 softc->flags |= ADA_FLAG_CAN_DMA48; 1002 else 1003 softc->flags &= ~ADA_FLAG_CAN_DMA48; 1004 } else 1005 softc->flags &= ~(ADA_FLAG_CAN_48BIT | 1006 ADA_FLAG_CAN_DMA48); 1007 if ((cgd.ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1008 (cgd.inq_flags & SID_DMA) && (cgd.inq_flags & SID_CmdQue)) 1009 softc->flags |= ADA_FLAG_CAN_NCQ; 1010 else 1011 softc->flags &= ~ADA_FLAG_CAN_NCQ; 1012 if ((cgd.ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1013 (cgd.inq_flags & SID_DMA)) 1014 softc->flags |= ADA_FLAG_CAN_TRIM; 1015 else 1016 softc->flags &= ~ADA_FLAG_CAN_TRIM; 1017 1018 cam_periph_async(periph, code, path, arg); 1019 break; 1020 } 1021 case AC_ADVINFO_CHANGED: 1022 { 1023 uintptr_t buftype; 1024 1025 buftype = (uintptr_t)arg; 1026 if (buftype == CDAI_TYPE_PHYS_PATH) { 1027 struct ada_softc *softc; 1028 1029 softc = periph->softc; 1030 disk_attr_changed(softc->disk, "GEOM::physpath", 1031 M_NOWAIT); 1032 } 1033 break; 1034 } 1035 case AC_SENT_BDR: 1036 case AC_BUS_RESET: 1037 { 1038 softc = (struct ada_softc *)periph->softc; 1039 cam_periph_async(periph, code, path, arg); 1040 if (softc->state != ADA_STATE_NORMAL) 1041 break; 1042 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1043 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1044 xpt_action((union ccb *)&cgd); 1045 if (ADA_RA >= 0 && 1046 cgd.ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) 1047 softc->state = ADA_STATE_RAHEAD; 1048 else if (ADA_WC >= 0 && 1049 cgd.ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) 1050 softc->state = ADA_STATE_WCACHE; 1051 else 1052 break; 1053 cam_periph_acquire(periph); 1054 xpt_schedule(periph, CAM_PRIORITY_DEV); 1055 } 1056 default: 1057 cam_periph_async(periph, code, path, arg); 1058 break; 1059 } 1060} 1061 1062static void 1063adasysctlinit(void *context, int pending) 1064{ 1065 struct cam_periph *periph; 1066 struct ada_softc *softc; 1067 char tmpstr[80], tmpstr2[80]; 1068 1069 periph = (struct cam_periph *)context; 1070 1071 /* periph was held for us when this task was enqueued */ 1072 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1073 cam_periph_release(periph); 1074 return; 1075 } 1076 1077 softc = (struct ada_softc *)periph->softc; 1078 snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d", periph->unit_number); 1079 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1080 1081 sysctl_ctx_init(&softc->sysctl_ctx); 1082 softc->flags |= ADA_FLAG_SCTX_INIT; 1083 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1084 SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2, 1085 CTLFLAG_RD, 0, tmpstr); 1086 if (softc->sysctl_tree == NULL) { 1087 printf("adasysctlinit: unable to allocate sysctl tree\n"); 1088 cam_periph_release(periph); 1089 return; 1090 } 1091 1092 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1093 OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE, 1094 &softc->read_ahead, 0, "Enable disk read ahead."); 1095 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1096 OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE, 1097 &softc->write_cache, 0, "Enable disk write cache."); 1098 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1099 OID_AUTO, "sort_io_queue", CTLFLAG_RW | CTLFLAG_MPSAFE, 1100 &softc->sort_io_queue, 0, 1101 "Sort IO queue to try and optimise disk access patterns"); 1102#ifdef ADA_TEST_FAILURE 1103 /* 1104 * Add a 'door bell' sysctl which allows one to set it from userland 1105 * and cause something bad to happen. For the moment, we only allow 1106 * whacking the next read or write. 1107 */ 1108 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1109 OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1110 &softc->force_read_error, 0, 1111 "Force a read error for the next N reads."); 1112 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1113 OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1114 &softc->force_write_error, 0, 1115 "Force a write error for the next N writes."); 1116 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1117 OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1118 &softc->periodic_read_error, 0, 1119 "Force a read error every N reads (don't set too low)."); 1120#endif 1121 cam_periph_release(periph); 1122} 1123 1124static int 1125adagetattr(struct bio *bp) 1126{ 1127 int ret; 1128 struct cam_periph *periph; 1129 1130 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1131 cam_periph_lock(periph); 1132 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1133 periph->path); 1134 cam_periph_unlock(periph); 1135 if (ret == 0) 1136 bp->bio_completed = bp->bio_length; 1137 return ret; 1138} 1139 1140static cam_status 1141adaregister(struct cam_periph *periph, void *arg) 1142{ 1143 struct ada_softc *softc; 1144 struct ccb_pathinq cpi; 1145 struct ccb_getdev *cgd; 1146 char announce_buf[80], buf1[32]; 1147 struct disk_params *dp; 1148 caddr_t match; 1149 u_int maxio; 1150 int legacy_id, quirks; 1151 1152 cgd = (struct ccb_getdev *)arg; 1153 if (cgd == NULL) { 1154 printf("adaregister: no getdev CCB, can't register device\n"); 1155 return(CAM_REQ_CMP_ERR); 1156 } 1157 1158 softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF, 1159 M_NOWAIT|M_ZERO); 1160 1161 if (softc == NULL) { 1162 printf("adaregister: Unable to probe new device. " 1163 "Unable to allocate softc\n"); 1164 return(CAM_REQ_CMP_ERR); 1165 } 1166 1167 bioq_init(&softc->bio_queue); 1168 bioq_init(&softc->trim_queue); 1169 1170 if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1171 (cgd->inq_flags & SID_DMA)) 1172 softc->flags |= ADA_FLAG_CAN_DMA; 1173 if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1174 softc->flags |= ADA_FLAG_CAN_48BIT; 1175 if (cgd->inq_flags & SID_DMA48) 1176 softc->flags |= ADA_FLAG_CAN_DMA48; 1177 } 1178 if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE) 1179 softc->flags |= ADA_FLAG_CAN_FLUSHCACHE; 1180 if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT) 1181 softc->flags |= ADA_FLAG_CAN_POWERMGT; 1182 if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1183 (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue)) 1184 softc->flags |= ADA_FLAG_CAN_NCQ; 1185 if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1186 (cgd->inq_flags & SID_DMA)) { 1187 softc->flags |= ADA_FLAG_CAN_TRIM; 1188 softc->trim_max_ranges = TRIM_MAX_RANGES; 1189 if (cgd->ident_data.max_dsm_blocks != 0) { 1190 softc->trim_max_ranges = 1191 min(cgd->ident_data.max_dsm_blocks * 1192 ATA_DSM_BLK_RANGES, softc->trim_max_ranges); 1193 } 1194 } 1195 if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA) 1196 softc->flags |= ADA_FLAG_CAN_CFA; 1197 1198 periph->softc = softc; 1199 1200 /* 1201 * See if this device has any quirks. 1202 */ 1203 match = cam_quirkmatch((caddr_t)&cgd->ident_data, 1204 (caddr_t)ada_quirk_table, 1205 sizeof(ada_quirk_table)/sizeof(*ada_quirk_table), 1206 sizeof(*ada_quirk_table), ata_identify_match); 1207 if (match != NULL) 1208 softc->quirks = ((struct ada_quirk_entry *)match)->quirks; 1209 else 1210 softc->quirks = ADA_Q_NONE; 1211 1212 bzero(&cpi, sizeof(cpi)); 1213 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 1214 cpi.ccb_h.func_code = XPT_PATH_INQ; 1215 xpt_action((union ccb *)&cpi); 1216 1217 TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph); 1218 1219 /* 1220 * Register this media as a disk 1221 */ 1222 (void)cam_periph_hold(periph, PRIBIO); 1223 cam_periph_unlock(periph); 1224 snprintf(announce_buf, sizeof(announce_buf), 1225 "kern.cam.ada.%d.quirks", periph->unit_number); 1226 quirks = softc->quirks; 1227 TUNABLE_INT_FETCH(announce_buf, &quirks); 1228 softc->quirks = quirks; 1229 softc->read_ahead = -1; 1230 snprintf(announce_buf, sizeof(announce_buf), 1231 "kern.cam.ada.%d.read_ahead", periph->unit_number); 1232 TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead); 1233 softc->write_cache = -1; 1234 snprintf(announce_buf, sizeof(announce_buf), 1235 "kern.cam.ada.%d.write_cache", periph->unit_number); 1236 TUNABLE_INT_FETCH(announce_buf, &softc->write_cache); 1237 /* Disable queue sorting for non-rotational media by default. */ 1238 if (cgd->ident_data.media_rotation_rate == 1) 1239 softc->sort_io_queue = 0; 1240 else 1241 softc->sort_io_queue = -1; 1242 adagetparams(periph, cgd); 1243 softc->disk = disk_alloc(); 1244 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1245 periph->unit_number, softc->params.secsize, 1246 DEVSTAT_ALL_SUPPORTED, 1247 DEVSTAT_TYPE_DIRECT | 1248 XPORT_DEVSTAT_TYPE(cpi.transport), 1249 DEVSTAT_PRIORITY_DISK); 1250 softc->disk->d_open = adaopen; 1251 softc->disk->d_close = adaclose; 1252 softc->disk->d_strategy = adastrategy; 1253 softc->disk->d_getattr = adagetattr; 1254 softc->disk->d_dump = adadump; 1255 softc->disk->d_gone = adadiskgonecb; 1256 softc->disk->d_name = "ada"; 1257 softc->disk->d_drv1 = periph; 1258 maxio = cpi.maxio; /* Honor max I/O size of SIM */ 1259 if (maxio == 0) 1260 maxio = DFLTPHYS; /* traditional default */ 1261 else if (maxio > MAXPHYS) 1262 maxio = MAXPHYS; /* for safety */ 1263 if (softc->flags & ADA_FLAG_CAN_48BIT) 1264 maxio = min(maxio, 65536 * softc->params.secsize); 1265 else /* 28bit ATA command limit */ 1266 maxio = min(maxio, 256 * softc->params.secsize); 1267 softc->disk->d_maxsize = maxio; 1268 softc->disk->d_unit = periph->unit_number; 1269 softc->disk->d_flags = 0; 1270 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) 1271 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1272 if (softc->flags & ADA_FLAG_CAN_TRIM) { 1273 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1274 softc->disk->d_delmaxsize = softc->params.secsize * 1275 ATA_DSM_RANGE_MAX * 1276 softc->trim_max_ranges; 1277 } else if ((softc->flags & ADA_FLAG_CAN_CFA) && 1278 !(softc->flags & ADA_FLAG_CAN_48BIT)) { 1279 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1280 softc->disk->d_delmaxsize = 256 * softc->params.secsize; 1281 } else 1282 softc->disk->d_delmaxsize = maxio; 1283 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) 1284 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 1285 strlcpy(softc->disk->d_descr, cgd->ident_data.model, 1286 MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model))); 1287 strlcpy(softc->disk->d_ident, cgd->ident_data.serial, 1288 MIN(sizeof(softc->disk->d_ident), sizeof(cgd->ident_data.serial))); 1289 softc->disk->d_hba_vendor = cpi.hba_vendor; 1290 softc->disk->d_hba_device = cpi.hba_device; 1291 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1292 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1293 1294 softc->disk->d_sectorsize = softc->params.secsize; 1295 softc->disk->d_mediasize = (off_t)softc->params.sectors * 1296 softc->params.secsize; 1297 if (ata_physical_sector_size(&cgd->ident_data) != 1298 softc->params.secsize) { 1299 softc->disk->d_stripesize = 1300 ata_physical_sector_size(&cgd->ident_data); 1301 softc->disk->d_stripeoffset = (softc->disk->d_stripesize - 1302 ata_logical_sector_offset(&cgd->ident_data)) % 1303 softc->disk->d_stripesize; 1304 } else if (softc->quirks & ADA_Q_4K) { 1305 softc->disk->d_stripesize = 4096; 1306 softc->disk->d_stripeoffset = 0; 1307 } 1308 softc->disk->d_fwsectors = softc->params.secs_per_track; 1309 softc->disk->d_fwheads = softc->params.heads; 1310 ata_disk_firmware_geom_adjust(softc->disk); 1311 1312 if (ada_legacy_aliases) { 1313#ifdef ATA_STATIC_ID 1314 legacy_id = xpt_path_legacy_ata_id(periph->path); 1315#else 1316 legacy_id = softc->disk->d_unit; 1317#endif 1318 if (legacy_id >= 0) { 1319 snprintf(announce_buf, sizeof(announce_buf), 1320 "kern.devalias.%s%d", 1321 softc->disk->d_name, softc->disk->d_unit); 1322 snprintf(buf1, sizeof(buf1), 1323 "ad%d", legacy_id); 1324 setenv(announce_buf, buf1); 1325 } 1326 } else 1327 legacy_id = -1; 1328 /* 1329 * Acquire a reference to the periph before we register with GEOM. 1330 * We'll release this reference once GEOM calls us back (via 1331 * adadiskgonecb()) telling us that our provider has been freed. 1332 */ 1333 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1334 xpt_print(periph->path, "%s: lost periph during " 1335 "registration!\n", __func__); 1336 cam_periph_lock(periph); 1337 return (CAM_REQ_CMP_ERR); 1338 } 1339 disk_create(softc->disk, DISK_VERSION); 1340 cam_periph_lock(periph); 1341 cam_periph_unhold(periph); 1342 1343 dp = &softc->params; 1344 snprintf(announce_buf, sizeof(announce_buf), 1345 "%juMB (%ju %u byte sectors: %dH %dS/T %dC)", 1346 (uintmax_t)(((uintmax_t)dp->secsize * 1347 dp->sectors) / (1024*1024)), 1348 (uintmax_t)dp->sectors, 1349 dp->secsize, dp->heads, 1350 dp->secs_per_track, dp->cylinders); 1351 xpt_announce_periph(periph, announce_buf); 1352 xpt_announce_quirks(periph, softc->quirks, ADA_Q_BIT_STRING); 1353 if (legacy_id >= 0) 1354 printf("%s%d: Previously was known as ad%d\n", 1355 periph->periph_name, periph->unit_number, legacy_id); 1356 1357 /* 1358 * Create our sysctl variables, now that we know 1359 * we have successfully attached. 1360 */ 1361 cam_periph_acquire(periph); 1362 taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task); 1363 1364 /* 1365 * Add async callbacks for bus reset and 1366 * bus device reset calls. I don't bother 1367 * checking if this fails as, in most cases, 1368 * the system will function just fine without 1369 * them and the only alternative would be to 1370 * not attach the device on failure. 1371 */ 1372 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 1373 AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED, 1374 adaasync, periph, periph->path); 1375 1376 /* 1377 * Schedule a periodic event to occasionally send an 1378 * ordered tag to a device. 1379 */ 1380 callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0); 1381 callout_reset(&softc->sendordered_c, 1382 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1383 adasendorderedtag, softc); 1384 1385 if (ADA_RA >= 0 && 1386 cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) { 1387 softc->state = ADA_STATE_RAHEAD; 1388 cam_periph_acquire(periph); 1389 xpt_schedule(periph, CAM_PRIORITY_DEV); 1390 } else if (ADA_WC >= 0 && 1391 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1392 softc->state = ADA_STATE_WCACHE; 1393 cam_periph_acquire(periph); 1394 xpt_schedule(periph, CAM_PRIORITY_DEV); 1395 } else 1396 softc->state = ADA_STATE_NORMAL; 1397 1398 return(CAM_REQ_CMP); 1399} 1400 1401static void 1402adastart(struct cam_periph *periph, union ccb *start_ccb) 1403{ 1404 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1405 struct ccb_ataio *ataio = &start_ccb->ataio; 1406 1407 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n")); 1408 1409 switch (softc->state) { 1410 case ADA_STATE_NORMAL: 1411 { 1412 struct bio *bp; 1413 u_int8_t tag_code; 1414 1415 /* Execute immediate CCB if waiting. */ 1416 if (periph->immediate_priority <= periph->pinfo.priority) { 1417 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1418 ("queuing for immediate ccb\n")); 1419 start_ccb->ccb_h.ccb_state = ADA_CCB_WAITING; 1420 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1421 periph_links.sle); 1422 periph->immediate_priority = CAM_PRIORITY_NONE; 1423 wakeup(&periph->ccb_list); 1424 /* Have more work to do, so ensure we stay scheduled */ 1425 adaschedule(periph); 1426 break; 1427 } 1428 /* Run TRIM if not running yet. */ 1429 if (!softc->trim_running && 1430 (bp = bioq_first(&softc->trim_queue)) != 0) { 1431 struct trim_request *req = &softc->trim_req; 1432 struct bio *bp1; 1433 uint64_t lastlba = (uint64_t)-1; 1434 int c, lastcount = 0, off, ranges = 0; 1435 1436 softc->trim_running = 1; 1437 bzero(req, sizeof(*req)); 1438 TAILQ_INIT(&req->bps); 1439 bp1 = bp; 1440 do { 1441 uint64_t lba = bp1->bio_pblkno; 1442 int count = bp1->bio_bcount / 1443 softc->params.secsize; 1444 1445 bioq_remove(&softc->trim_queue, bp1); 1446 1447 /* Try to extend the previous range. */ 1448 if (lba == lastlba) { 1449 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 1450 lastcount += c; 1451 off = (ranges - 1) * ATA_DSM_RANGE_SIZE; 1452 req->data[off + 6] = lastcount & 0xff; 1453 req->data[off + 7] = 1454 (lastcount >> 8) & 0xff; 1455 count -= c; 1456 lba += c; 1457 } 1458 1459 while (count > 0) { 1460 c = min(count, ATA_DSM_RANGE_MAX); 1461 off = ranges * ATA_DSM_RANGE_SIZE; 1462 req->data[off + 0] = lba & 0xff; 1463 req->data[off + 1] = (lba >> 8) & 0xff; 1464 req->data[off + 2] = (lba >> 16) & 0xff; 1465 req->data[off + 3] = (lba >> 24) & 0xff; 1466 req->data[off + 4] = (lba >> 32) & 0xff; 1467 req->data[off + 5] = (lba >> 40) & 0xff; 1468 req->data[off + 6] = c & 0xff; 1469 req->data[off + 7] = (c >> 8) & 0xff; 1470 lba += c; 1471 count -= c; 1472 lastcount = c; 1473 ranges++; 1474 /* 1475 * Its the caller's responsibility to ensure the 1476 * request will fit so we don't need to check for 1477 * overrun here 1478 */ 1479 } 1480 lastlba = lba; 1481 TAILQ_INSERT_TAIL(&req->bps, bp1, bio_queue); 1482 bp1 = bioq_first(&softc->trim_queue); 1483 if (bp1 == NULL || 1484 bp1->bio_bcount / softc->params.secsize > 1485 (softc->trim_max_ranges - ranges) * 1486 ATA_DSM_RANGE_MAX) 1487 break; 1488 } while (1); 1489 cam_fill_ataio(ataio, 1490 ada_retry_count, 1491 adadone, 1492 CAM_DIR_OUT, 1493 0, 1494 req->data, 1495 ((ranges + ATA_DSM_BLK_RANGES - 1) / 1496 ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE, 1497 ada_default_timeout * 1000); 1498 ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT, 1499 ATA_DSM_TRIM, 0, (ranges + ATA_DSM_BLK_RANGES - 1500 1) / ATA_DSM_BLK_RANGES); 1501 start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM; 1502 goto out; 1503 } 1504 /* Run regular command. */ 1505 bp = bioq_first(&softc->bio_queue); 1506 if (bp == NULL) { 1507 xpt_release_ccb(start_ccb); 1508 break; 1509 } 1510 bioq_remove(&softc->bio_queue, bp); 1511 1512 if ((bp->bio_flags & BIO_ORDERED) != 0 1513 || (softc->flags & ADA_FLAG_NEED_OTAG) != 0) { 1514 softc->flags &= ~ADA_FLAG_NEED_OTAG; 1515 softc->flags |= ADA_FLAG_WAS_OTAG; 1516 tag_code = 0; 1517 } else { 1518 tag_code = 1; 1519 } 1520 switch (bp->bio_cmd) { 1521 case BIO_WRITE: 1522 softc->flags |= ADA_FLAG_DIRTY; 1523 /* FALLTHROUGH */ 1524 case BIO_READ: 1525 { 1526 uint64_t lba = bp->bio_pblkno; 1527 uint16_t count = bp->bio_bcount / softc->params.secsize; 1528#ifdef ADA_TEST_FAILURE 1529 int fail = 0; 1530 1531 /* 1532 * Support the failure ioctls. If the command is a 1533 * read, and there are pending forced read errors, or 1534 * if a write and pending write errors, then fail this 1535 * operation with EIO. This is useful for testing 1536 * purposes. Also, support having every Nth read fail. 1537 * 1538 * This is a rather blunt tool. 1539 */ 1540 if (bp->bio_cmd == BIO_READ) { 1541 if (softc->force_read_error) { 1542 softc->force_read_error--; 1543 fail = 1; 1544 } 1545 if (softc->periodic_read_error > 0) { 1546 if (++softc->periodic_read_count >= 1547 softc->periodic_read_error) { 1548 softc->periodic_read_count = 0; 1549 fail = 1; 1550 } 1551 } 1552 } else { 1553 if (softc->force_write_error) { 1554 softc->force_write_error--; 1555 fail = 1; 1556 } 1557 } 1558 if (fail) { 1559 bp->bio_error = EIO; 1560 bp->bio_flags |= BIO_ERROR; 1561 biodone(bp); 1562 xpt_release_ccb(start_ccb); 1563 adaschedule(periph); 1564 return; 1565 } 1566#endif 1567 KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 || 1568 round_page(bp->bio_bcount + bp->bio_ma_offset) / 1569 PAGE_SIZE == bp->bio_ma_n, 1570 ("Short bio %p", bp)); 1571 cam_fill_ataio(ataio, 1572 ada_retry_count, 1573 adadone, 1574 (bp->bio_cmd == BIO_READ ? CAM_DIR_IN : 1575 CAM_DIR_OUT) | ((bp->bio_flags & BIO_UNMAPPED) 1576 != 0 ? CAM_DATA_BIO : 0), 1577 tag_code, 1578 ((bp->bio_flags & BIO_UNMAPPED) != 0) ? (void *)bp : 1579 bp->bio_data, 1580 bp->bio_bcount, 1581 ada_default_timeout*1000); 1582 1583 if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) { 1584 if (bp->bio_cmd == BIO_READ) { 1585 ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED, 1586 lba, count); 1587 } else { 1588 ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED, 1589 lba, count); 1590 } 1591 } else if ((softc->flags & ADA_FLAG_CAN_48BIT) && 1592 (lba + count >= ATA_MAX_28BIT_LBA || 1593 count > 256)) { 1594 if (softc->flags & ADA_FLAG_CAN_DMA48) { 1595 if (bp->bio_cmd == BIO_READ) { 1596 ata_48bit_cmd(ataio, ATA_READ_DMA48, 1597 0, lba, count); 1598 } else { 1599 ata_48bit_cmd(ataio, ATA_WRITE_DMA48, 1600 0, lba, count); 1601 } 1602 } else { 1603 if (bp->bio_cmd == BIO_READ) { 1604 ata_48bit_cmd(ataio, ATA_READ_MUL48, 1605 0, lba, count); 1606 } else { 1607 ata_48bit_cmd(ataio, ATA_WRITE_MUL48, 1608 0, lba, count); 1609 } 1610 } 1611 } else { 1612 if (count == 256) 1613 count = 0; 1614 if (softc->flags & ADA_FLAG_CAN_DMA) { 1615 if (bp->bio_cmd == BIO_READ) { 1616 ata_28bit_cmd(ataio, ATA_READ_DMA, 1617 0, lba, count); 1618 } else { 1619 ata_28bit_cmd(ataio, ATA_WRITE_DMA, 1620 0, lba, count); 1621 } 1622 } else { 1623 if (bp->bio_cmd == BIO_READ) { 1624 ata_28bit_cmd(ataio, ATA_READ_MUL, 1625 0, lba, count); 1626 } else { 1627 ata_28bit_cmd(ataio, ATA_WRITE_MUL, 1628 0, lba, count); 1629 } 1630 } 1631 } 1632 break; 1633 } 1634 case BIO_DELETE: 1635 { 1636 uint64_t lba = bp->bio_pblkno; 1637 uint16_t count = bp->bio_bcount / softc->params.secsize; 1638 1639 cam_fill_ataio(ataio, 1640 ada_retry_count, 1641 adadone, 1642 CAM_DIR_NONE, 1643 0, 1644 NULL, 1645 0, 1646 ada_default_timeout*1000); 1647 1648 if (count >= 256) 1649 count = 0; 1650 ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count); 1651 break; 1652 } 1653 case BIO_FLUSH: 1654 cam_fill_ataio(ataio, 1655 1, 1656 adadone, 1657 CAM_DIR_NONE, 1658 0, 1659 NULL, 1660 0, 1661 ada_default_timeout*1000); 1662 1663 if (softc->flags & ADA_FLAG_CAN_48BIT) 1664 ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1665 else 1666 ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0); 1667 break; 1668 } 1669 start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO; 1670out: 1671 start_ccb->ccb_h.ccb_bp = bp; 1672 softc->outstanding_cmds++; 1673 xpt_action(start_ccb); 1674 1675 /* May have more work to do, so ensure we stay scheduled */ 1676 adaschedule(periph); 1677 break; 1678 } 1679 case ADA_STATE_RAHEAD: 1680 case ADA_STATE_WCACHE: 1681 { 1682 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1683 softc->state = ADA_STATE_NORMAL; 1684 xpt_release_ccb(start_ccb); 1685 adaschedule(periph); 1686 cam_periph_release_locked(periph); 1687 return; 1688 } 1689 1690 cam_fill_ataio(ataio, 1691 1, 1692 adadone, 1693 CAM_DIR_NONE, 1694 0, 1695 NULL, 1696 0, 1697 ada_default_timeout*1000); 1698 1699 if (softc->state == ADA_STATE_RAHEAD) { 1700 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ? 1701 ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0); 1702 start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD; 1703 } else { 1704 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ? 1705 ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0); 1706 start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE; 1707 } 1708 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1709 xpt_action(start_ccb); 1710 break; 1711 } 1712 } 1713} 1714 1715static void 1716adadone(struct cam_periph *periph, union ccb *done_ccb) 1717{ 1718 struct ada_softc *softc; 1719 struct ccb_ataio *ataio; 1720 struct ccb_getdev *cgd; 1721 struct cam_path *path; 1722 int state; 1723 1724 softc = (struct ada_softc *)periph->softc; 1725 ataio = &done_ccb->ataio; 1726 path = done_ccb->ccb_h.path; 1727 1728 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n")); 1729 1730 state = ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK; 1731 switch (state) { 1732 case ADA_CCB_BUFFER_IO: 1733 case ADA_CCB_TRIM: 1734 { 1735 struct bio *bp; 1736 int error; 1737 1738 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1739 error = adaerror(done_ccb, 0, 0); 1740 if (error == ERESTART) { 1741 /* A retry was scheduled, so just return. */ 1742 return; 1743 } 1744 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1745 cam_release_devq(path, 1746 /*relsim_flags*/0, 1747 /*reduction*/0, 1748 /*timeout*/0, 1749 /*getcount_only*/0); 1750 } else { 1751 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1752 panic("REQ_CMP with QFRZN"); 1753 error = 0; 1754 } 1755 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1756 bp->bio_error = error; 1757 if (error != 0) { 1758 bp->bio_resid = bp->bio_bcount; 1759 bp->bio_flags |= BIO_ERROR; 1760 } else { 1761 if (state == ADA_CCB_TRIM) 1762 bp->bio_resid = 0; 1763 else 1764 bp->bio_resid = ataio->resid; 1765 if (bp->bio_resid > 0) 1766 bp->bio_flags |= BIO_ERROR; 1767 } 1768 softc->outstanding_cmds--; 1769 if (softc->outstanding_cmds == 0) 1770 softc->flags |= ADA_FLAG_WAS_OTAG; 1771 if (state == ADA_CCB_TRIM) { 1772 TAILQ_HEAD(, bio) queue; 1773 struct bio *bp1; 1774 1775 TAILQ_INIT(&queue); 1776 TAILQ_CONCAT(&queue, &softc->trim_req.bps, bio_queue); 1777 softc->trim_running = 0; 1778 while ((bp1 = TAILQ_FIRST(&queue)) != NULL) { 1779 TAILQ_REMOVE(&queue, bp1, bio_queue); 1780 bp1->bio_error = error; 1781 if (error != 0) { 1782 bp1->bio_flags |= BIO_ERROR; 1783 bp1->bio_resid = bp1->bio_bcount; 1784 } else 1785 bp1->bio_resid = 0; 1786 biodone(bp1); 1787 } 1788 adaschedule(periph); 1789 } else 1790 biodone(bp); 1791 break; 1792 } 1793 case ADA_CCB_RAHEAD: 1794 { 1795 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1796 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1797out: 1798 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1799 cam_release_devq(path, 0, 0, 0, FALSE); 1800 return; 1801 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1802 cam_release_devq(path, 1803 /*relsim_flags*/0, 1804 /*reduction*/0, 1805 /*timeout*/0, 1806 /*getcount_only*/0); 1807 } 1808 } 1809 1810 /* 1811 * Since our peripheral may be invalidated by an error 1812 * above or an external event, we must release our CCB 1813 * before releasing the reference on the peripheral. 1814 * The peripheral will only go away once the last reference 1815 * is removed, and we need it around for the CCB release 1816 * operation. 1817 */ 1818 cgd = (struct ccb_getdev *)done_ccb; 1819 xpt_setup_ccb(&cgd->ccb_h, path, CAM_PRIORITY_NORMAL); 1820 cgd->ccb_h.func_code = XPT_GDEV_TYPE; 1821 xpt_action((union ccb *)cgd); 1822 if (ADA_WC >= 0 && 1823 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1824 softc->state = ADA_STATE_WCACHE; 1825 xpt_release_ccb(done_ccb); 1826 xpt_schedule(periph, CAM_PRIORITY_DEV); 1827 goto out; 1828 } 1829 softc->state = ADA_STATE_NORMAL; 1830 xpt_release_ccb(done_ccb); 1831 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1832 cam_release_devq(path, 0, 0, 0, FALSE); 1833 adaschedule(periph); 1834 cam_periph_release_locked(periph); 1835 return; 1836 } 1837 case ADA_CCB_WCACHE: 1838 { 1839 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1840 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1841 goto out; 1842 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1843 cam_release_devq(path, 1844 /*relsim_flags*/0, 1845 /*reduction*/0, 1846 /*timeout*/0, 1847 /*getcount_only*/0); 1848 } 1849 } 1850 1851 softc->state = ADA_STATE_NORMAL; 1852 /* 1853 * Since our peripheral may be invalidated by an error 1854 * above or an external event, we must release our CCB 1855 * before releasing the reference on the peripheral. 1856 * The peripheral will only go away once the last reference 1857 * is removed, and we need it around for the CCB release 1858 * operation. 1859 */ 1860 xpt_release_ccb(done_ccb); 1861 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1862 cam_release_devq(path, 0, 0, 0, FALSE); 1863 adaschedule(periph); 1864 cam_periph_release_locked(periph); 1865 return; 1866 } 1867 case ADA_CCB_WAITING: 1868 { 1869 /* Caller will release the CCB */ 1870 wakeup(&done_ccb->ccb_h.cbfcnp); 1871 return; 1872 } 1873 case ADA_CCB_DUMP: 1874 /* No-op. We're polling */ 1875 return; 1876 default: 1877 break; 1878 } 1879 xpt_release_ccb(done_ccb); 1880} 1881 1882static int 1883adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1884{ 1885 1886 return(cam_periph_error(ccb, cam_flags, sense_flags, NULL)); 1887} 1888 1889static void 1890adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd) 1891{ 1892 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1893 struct disk_params *dp = &softc->params; 1894 u_int64_t lbasize48; 1895 u_int32_t lbasize; 1896 1897 dp->secsize = ata_logical_sector_size(&cgd->ident_data); 1898 if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) && 1899 cgd->ident_data.current_heads && cgd->ident_data.current_sectors) { 1900 dp->heads = cgd->ident_data.current_heads; 1901 dp->secs_per_track = cgd->ident_data.current_sectors; 1902 dp->cylinders = cgd->ident_data.cylinders; 1903 dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 | 1904 ((u_int32_t)cgd->ident_data.current_size_2 << 16); 1905 } else { 1906 dp->heads = cgd->ident_data.heads; 1907 dp->secs_per_track = cgd->ident_data.sectors; 1908 dp->cylinders = cgd->ident_data.cylinders; 1909 dp->sectors = cgd->ident_data.cylinders * dp->heads * dp->secs_per_track; 1910 } 1911 lbasize = (u_int32_t)cgd->ident_data.lba_size_1 | 1912 ((u_int32_t)cgd->ident_data.lba_size_2 << 16); 1913 1914 /* use the 28bit LBA size if valid or bigger than the CHS mapping */ 1915 if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize) 1916 dp->sectors = lbasize; 1917 1918 /* use the 48bit LBA size if valid */ 1919 lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) | 1920 ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) | 1921 ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) | 1922 ((u_int64_t)cgd->ident_data.lba_size48_4 << 48); 1923 if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) && 1924 lbasize48 > ATA_MAX_28BIT_LBA) 1925 dp->sectors = lbasize48; 1926} 1927 1928static void 1929adasendorderedtag(void *arg) 1930{ 1931 struct ada_softc *softc = arg; 1932 1933 if (ada_send_ordered) { 1934 if (softc->outstanding_cmds > 0) { 1935 if ((softc->flags & ADA_FLAG_WAS_OTAG) == 0) 1936 softc->flags |= ADA_FLAG_NEED_OTAG; 1937 softc->flags &= ~ADA_FLAG_WAS_OTAG; 1938 } 1939 } 1940 /* Queue us up again */ 1941 callout_reset(&softc->sendordered_c, 1942 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1943 adasendorderedtag, softc); 1944} 1945 1946/* 1947 * Step through all ADA peripheral drivers, and if the device is still open, 1948 * sync the disk cache to physical media. 1949 */ 1950static void 1951adaflush(void) 1952{ 1953 struct cam_periph *periph; 1954 struct ada_softc *softc; 1955 union ccb *ccb; 1956 int error; 1957 1958 CAM_PERIPH_FOREACH(periph, &adadriver) { 1959 softc = (struct ada_softc *)periph->softc; 1960 if (SCHEDULER_STOPPED()) { 1961 /* If we paniced with the lock held, do not recurse. */ 1962 if (!cam_periph_owned(periph) && 1963 (softc->flags & ADA_FLAG_OPEN)) { 1964 adadump(softc->disk, NULL, 0, 0, 0); 1965 } 1966 continue; 1967 } 1968 cam_periph_lock(periph); 1969 /* 1970 * We only sync the cache if the drive is still open, and 1971 * if the drive is capable of it.. 1972 */ 1973 if (((softc->flags & ADA_FLAG_OPEN) == 0) || 1974 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) { 1975 cam_periph_unlock(periph); 1976 continue; 1977 } 1978 1979 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1980 cam_fill_ataio(&ccb->ataio, 1981 0, 1982 adadone, 1983 CAM_DIR_NONE, 1984 0, 1985 NULL, 1986 0, 1987 ada_default_timeout*1000); 1988 if (softc->flags & ADA_FLAG_CAN_48BIT) 1989 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1990 else 1991 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 1992 1993 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 1994 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 1995 softc->disk->d_devstat); 1996 if (error != 0) 1997 xpt_print(periph->path, "Synchronize cache failed\n"); 1998 xpt_release_ccb(ccb); 1999 cam_periph_unlock(periph); 2000 } 2001} 2002 2003static void 2004adaspindown(uint8_t cmd, int flags) 2005{ 2006 struct cam_periph *periph; 2007 struct ada_softc *softc; 2008 union ccb *ccb; 2009 int error; 2010 2011 CAM_PERIPH_FOREACH(periph, &adadriver) { 2012 /* If we paniced with lock held - not recurse here. */ 2013 if (cam_periph_owned(periph)) 2014 continue; 2015 cam_periph_lock(periph); 2016 softc = (struct ada_softc *)periph->softc; 2017 /* 2018 * We only spin-down the drive if it is capable of it.. 2019 */ 2020 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2021 cam_periph_unlock(periph); 2022 continue; 2023 } 2024 2025 if (bootverbose) 2026 xpt_print(periph->path, "spin-down\n"); 2027 2028 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2029 cam_fill_ataio(&ccb->ataio, 2030 0, 2031 adadone, 2032 CAM_DIR_NONE | flags, 2033 0, 2034 NULL, 2035 0, 2036 ada_default_timeout*1000); 2037 ata_28bit_cmd(&ccb->ataio, cmd, 0, 0, 0); 2038 2039 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 2040 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 2041 softc->disk->d_devstat); 2042 if (error != 0) 2043 xpt_print(periph->path, "Spin-down disk failed\n"); 2044 xpt_release_ccb(ccb); 2045 cam_periph_unlock(periph); 2046 } 2047} 2048 2049static void 2050adashutdown(void *arg, int howto) 2051{ 2052 2053 adaflush(); 2054 if (ada_spindown_shutdown != 0 && 2055 (howto & (RB_HALT | RB_POWEROFF)) != 0) 2056 adaspindown(ATA_STANDBY_IMMEDIATE, 0); 2057} 2058 2059static void 2060adasuspend(void *arg) 2061{ 2062 2063 adaflush(); 2064 if (ada_spindown_suspend != 0) 2065 adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE); 2066} 2067 2068static void 2069adaresume(void *arg) 2070{ 2071 struct cam_periph *periph; 2072 struct ada_softc *softc; 2073 2074 if (ada_spindown_suspend == 0) 2075 return; 2076 2077 CAM_PERIPH_FOREACH(periph, &adadriver) { 2078 cam_periph_lock(periph); 2079 softc = (struct ada_softc *)periph->softc; 2080 /* 2081 * We only spin-down the drive if it is capable of it.. 2082 */ 2083 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2084 cam_periph_unlock(periph); 2085 continue; 2086 } 2087 2088 if (bootverbose) 2089 xpt_print(periph->path, "resume\n"); 2090 2091 /* 2092 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on 2093 * sleep request. 2094 */ 2095 cam_release_devq(periph->path, 2096 /*relsim_flags*/0, 2097 /*openings*/0, 2098 /*timeout*/0, 2099 /*getcount_only*/0); 2100 2101 cam_periph_unlock(periph); 2102 } 2103} 2104 2105#endif /* _KERNEL */ 2106