ata_da.c revision 260385
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: stable/10/sys/cam/ata/ata_da.c 260385 2014-01-07 01:32:23Z scottl $"); 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 71typedef enum { 72 ADA_STATE_RAHEAD, 73 ADA_STATE_WCACHE, 74 ADA_STATE_NORMAL 75} ada_state; 76 77typedef 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_WENT_IDLE = 0x0040, 84 ADA_FLAG_CAN_TRIM = 0x0080, 85 ADA_FLAG_OPEN = 0x0100, 86 ADA_FLAG_SCTX_INIT = 0x0200, 87 ADA_FLAG_CAN_CFA = 0x0400, 88 ADA_FLAG_CAN_POWERMGT = 0x0800, 89 ADA_FLAG_CAN_DMA48 = 0x1000, 90 ADA_FLAG_DIRTY = 0x2000 91} ada_flags; 92 93typedef 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 102typedef enum { 103 ADA_CCB_RAHEAD = 0x01, 104 ADA_CCB_WCACHE = 0x02, 105 ADA_CCB_BUFFER_IO = 0x03, 106 ADA_CCB_WAITING = 0x04, 107 ADA_CCB_DUMP = 0x05, 108 ADA_CCB_TRIM = 0x06, 109 ADA_CCB_TYPE_MASK = 0x0F, 110} ada_ccb_state; 111 112/* Offsets into our private area for storing information */ 113#define ccb_state ppriv_field0 114#define ccb_bp ppriv_ptr1 115 116struct disk_params { 117 u_int8_t heads; 118 u_int8_t secs_per_track; 119 u_int32_t cylinders; 120 u_int32_t secsize; /* Number of bytes/logical sector */ 121 u_int64_t sectors; /* Total number sectors */ 122}; 123 124#define TRIM_MAX_BLOCKS 8 125#define TRIM_MAX_RANGES (TRIM_MAX_BLOCKS * ATA_DSM_BLK_RANGES) 126#define TRIM_MAX_BIOS (TRIM_MAX_RANGES * 4) 127struct trim_request { 128 uint8_t data[TRIM_MAX_RANGES * ATA_DSM_RANGE_SIZE]; 129 struct bio *bps[TRIM_MAX_BIOS]; 130}; 131 132struct ada_softc { 133 struct bio_queue_head bio_queue; 134 struct bio_queue_head trim_queue; 135 ada_state state; 136 ada_flags flags; 137 ada_quirks quirks; 138 int sort_io_queue; 139 int ordered_tag_count; 140 int outstanding_cmds; 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 Force GT SSDs 297 * 4k optimised & trim only works in 4k requests + 4k aligned 298 */ 299 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force GT*", "*" }, 300 /*quirks*/ADA_Q_4K 301 }, 302 { 303 /* 304 * Crucial M4 SSDs 305 * 4k optimised & trim only works in 4k requests + 4k aligned 306 */ 307 { T_DIRECT, SIP_MEDIA_FIXED, "*", "M4-CT???M4SSD2*", "*" }, 308 /*quirks*/ADA_Q_4K 309 }, 310 { 311 /* 312 * Crucial RealSSD C300 SSDs 313 * 4k optimised 314 */ 315 { T_DIRECT, SIP_MEDIA_FIXED, "*", "C300-CTFDDAC???MAG*", 316 "*" }, /*quirks*/ADA_Q_4K 317 }, 318 { 319 /* 320 * Intel 320 Series SSDs 321 * 4k optimised & trim only works in 4k requests + 4k aligned 322 */ 323 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2CW*", "*" }, 324 /*quirks*/ADA_Q_4K 325 }, 326 { 327 /* 328 * Intel 330 Series SSDs 329 * 4k optimised & trim only works in 4k requests + 4k aligned 330 */ 331 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2CT*", "*" }, 332 /*quirks*/ADA_Q_4K 333 }, 334 { 335 /* 336 * Intel 510 Series SSDs 337 * 4k optimised & trim only works in 4k requests + 4k aligned 338 */ 339 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2MH*", "*" }, 340 /*quirks*/ADA_Q_4K 341 }, 342 { 343 /* 344 * Intel 520 Series SSDs 345 * 4k optimised & trim only works in 4k requests + 4k aligned 346 */ 347 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2BW*", "*" }, 348 /*quirks*/ADA_Q_4K 349 }, 350 { 351 /* 352 * Intel X25-M Series SSDs 353 * 4k optimised & trim only works in 4k requests + 4k aligned 354 */ 355 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2M*", "*" }, 356 /*quirks*/ADA_Q_4K 357 }, 358 { 359 /* 360 * Kingston E100 Series SSDs 361 * 4k optimised & trim only works in 4k requests + 4k aligned 362 */ 363 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SE100S3*", "*" }, 364 /*quirks*/ADA_Q_4K 365 }, 366 { 367 /* 368 * Kingston HyperX 3k SSDs 369 * 4k optimised & trim only works in 4k requests + 4k aligned 370 */ 371 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SH103S3*", "*" }, 372 /*quirks*/ADA_Q_4K 373 }, 374 { 375 /* 376 * Marvell SSDs (entry taken from OpenSolaris) 377 * 4k optimised & trim only works in 4k requests + 4k aligned 378 */ 379 { T_DIRECT, SIP_MEDIA_FIXED, "*", "MARVELL SD88SA02*", "*" }, 380 /*quirks*/ADA_Q_4K 381 }, 382 { 383 /* 384 * OCZ Agility 2 SSDs 385 * 4k optimised & trim only works in 4k requests + 4k aligned 386 */ 387 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" }, 388 /*quirks*/ADA_Q_4K 389 }, 390 { 391 /* 392 * OCZ Agility 3 SSDs 393 * 4k optimised & trim only works in 4k requests + 4k aligned 394 */ 395 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY3*", "*" }, 396 /*quirks*/ADA_Q_4K 397 }, 398 { 399 /* 400 * OCZ Deneva R Series SSDs 401 * 4k optimised & trim only works in 4k requests + 4k aligned 402 */ 403 { T_DIRECT, SIP_MEDIA_FIXED, "*", "DENRSTE251M45*", "*" }, 404 /*quirks*/ADA_Q_4K 405 }, 406 { 407 /* 408 * OCZ Vertex 2 SSDs (inc pro series) 409 * 4k optimised & trim only works in 4k requests + 4k aligned 410 */ 411 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ?VERTEX2*", "*" }, 412 /*quirks*/ADA_Q_4K 413 }, 414 { 415 /* 416 * OCZ Vertex 3 SSDs 417 * 4k optimised & trim only works in 4k requests + 4k aligned 418 */ 419 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX3*", "*" }, 420 /*quirks*/ADA_Q_4K 421 }, 422 { 423 /* 424 * OCZ Vertex 4 SSDs 425 * 4k optimised & trim only works in 4k requests + 4k aligned 426 */ 427 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX4*", "*" }, 428 /*quirks*/ADA_Q_4K 429 }, 430 { 431 /* 432 * Samsung 830 Series SSDs 433 * 4k optimised 434 */ 435 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG SSD 830 Series*", "*" }, 436 /*quirks*/ADA_Q_4K 437 }, 438 { 439 /* 440 * SuperTalent TeraDrive CT SSDs 441 * 4k optimised & trim only works in 4k requests + 4k aligned 442 */ 443 { T_DIRECT, SIP_MEDIA_FIXED, "*", "FTM??CT25H*", "*" }, 444 /*quirks*/ADA_Q_4K 445 }, 446 { 447 /* 448 * XceedIOPS SATA SSDs 449 * 4k optimised 450 */ 451 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SG9XCS2D*", "*" }, 452 /*quirks*/ADA_Q_4K 453 }, 454 { 455 /* Default */ 456 { 457 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 458 /*vendor*/"*", /*product*/"*", /*revision*/"*" 459 }, 460 /*quirks*/0 461 }, 462}; 463 464static disk_strategy_t adastrategy; 465static dumper_t adadump; 466static periph_init_t adainit; 467static void adaasync(void *callback_arg, u_int32_t code, 468 struct cam_path *path, void *arg); 469static void adasysctlinit(void *context, int pending); 470static periph_ctor_t adaregister; 471static periph_dtor_t adacleanup; 472static periph_start_t adastart; 473static periph_oninv_t adaoninvalidate; 474static void adadone(struct cam_periph *periph, 475 union ccb *done_ccb); 476static int adaerror(union ccb *ccb, u_int32_t cam_flags, 477 u_int32_t sense_flags); 478static void adagetparams(struct cam_periph *periph, 479 struct ccb_getdev *cgd); 480static timeout_t adasendorderedtag; 481static void adashutdown(void *arg, int howto); 482static void adasuspend(void *arg); 483static void adaresume(void *arg); 484 485#ifndef ADA_DEFAULT_LEGACY_ALIASES 486#define ADA_DEFAULT_LEGACY_ALIASES 1 487#endif 488 489#ifndef ADA_DEFAULT_TIMEOUT 490#define ADA_DEFAULT_TIMEOUT 30 /* Timeout in seconds */ 491#endif 492 493#ifndef ADA_DEFAULT_RETRY 494#define ADA_DEFAULT_RETRY 4 495#endif 496 497#ifndef ADA_DEFAULT_SEND_ORDERED 498#define ADA_DEFAULT_SEND_ORDERED 1 499#endif 500 501#ifndef ADA_DEFAULT_SPINDOWN_SHUTDOWN 502#define ADA_DEFAULT_SPINDOWN_SHUTDOWN 1 503#endif 504 505#ifndef ADA_DEFAULT_SPINDOWN_SUSPEND 506#define ADA_DEFAULT_SPINDOWN_SUSPEND 1 507#endif 508 509#ifndef ADA_DEFAULT_READ_AHEAD 510#define ADA_DEFAULT_READ_AHEAD 1 511#endif 512 513#ifndef ADA_DEFAULT_WRITE_CACHE 514#define ADA_DEFAULT_WRITE_CACHE 1 515#endif 516 517#define ADA_RA (softc->read_ahead >= 0 ? \ 518 softc->read_ahead : ada_read_ahead) 519#define ADA_WC (softc->write_cache >= 0 ? \ 520 softc->write_cache : ada_write_cache) 521#define ADA_SIO (softc->sort_io_queue >= 0 ? \ 522 softc->sort_io_queue : cam_sort_io_queues) 523 524/* 525 * Most platforms map firmware geometry to actual, but some don't. If 526 * not overridden, default to nothing. 527 */ 528#ifndef ata_disk_firmware_geom_adjust 529#define ata_disk_firmware_geom_adjust(disk) 530#endif 531 532static int ada_legacy_aliases = ADA_DEFAULT_LEGACY_ALIASES; 533static int ada_retry_count = ADA_DEFAULT_RETRY; 534static int ada_default_timeout = ADA_DEFAULT_TIMEOUT; 535static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED; 536static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN; 537static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND; 538static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD; 539static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE; 540 541static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD, 0, 542 "CAM Direct Access Disk driver"); 543SYSCTL_INT(_kern_cam_ada, OID_AUTO, legacy_aliases, CTLFLAG_RW, 544 &ada_legacy_aliases, 0, "Create legacy-like device aliases"); 545TUNABLE_INT("kern.cam.ada.legacy_aliases", &ada_legacy_aliases); 546SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RW, 547 &ada_retry_count, 0, "Normal I/O retry count"); 548TUNABLE_INT("kern.cam.ada.retry_count", &ada_retry_count); 549SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RW, 550 &ada_default_timeout, 0, "Normal I/O timeout (in seconds)"); 551TUNABLE_INT("kern.cam.ada.default_timeout", &ada_default_timeout); 552SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RW, 553 &ada_send_ordered, 0, "Send Ordered Tags"); 554TUNABLE_INT("kern.cam.ada.send_ordered", &ada_send_ordered); 555SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RW, 556 &ada_spindown_shutdown, 0, "Spin down upon shutdown"); 557TUNABLE_INT("kern.cam.ada.spindown_shutdown", &ada_spindown_shutdown); 558SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RW, 559 &ada_spindown_suspend, 0, "Spin down upon suspend"); 560TUNABLE_INT("kern.cam.ada.spindown_suspend", &ada_spindown_suspend); 561SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RW, 562 &ada_read_ahead, 0, "Enable disk read-ahead"); 563TUNABLE_INT("kern.cam.ada.read_ahead", &ada_read_ahead); 564SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RW, 565 &ada_write_cache, 0, "Enable disk write cache"); 566TUNABLE_INT("kern.cam.ada.write_cache", &ada_write_cache); 567 568/* 569 * ADA_ORDEREDTAG_INTERVAL determines how often, relative 570 * to the default timeout, we check to see whether an ordered 571 * tagged transaction is appropriate to prevent simple tag 572 * starvation. Since we'd like to ensure that there is at least 573 * 1/2 of the timeout length left for a starved transaction to 574 * complete after we've sent an ordered tag, we must poll at least 575 * four times in every timeout period. This takes care of the worst 576 * case where a starved transaction starts during an interval that 577 * meets the requirement "don't send an ordered tag" test so it takes 578 * us two intervals to determine that a tag must be sent. 579 */ 580#ifndef ADA_ORDEREDTAG_INTERVAL 581#define ADA_ORDEREDTAG_INTERVAL 4 582#endif 583 584static struct periph_driver adadriver = 585{ 586 adainit, "ada", 587 TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0 588}; 589 590PERIPHDRIVER_DECLARE(ada, adadriver); 591 592static MALLOC_DEFINE(M_ATADA, "ata_da", "ata_da buffers"); 593 594static int 595adaopen(struct disk *dp) 596{ 597 struct cam_periph *periph; 598 struct ada_softc *softc; 599 int error; 600 601 periph = (struct cam_periph *)dp->d_drv1; 602 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 603 return(ENXIO); 604 } 605 606 cam_periph_lock(periph); 607 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 608 cam_periph_unlock(periph); 609 cam_periph_release(periph); 610 return (error); 611 } 612 613 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 614 ("adaopen\n")); 615 616 softc = (struct ada_softc *)periph->softc; 617 softc->flags |= ADA_FLAG_OPEN; 618 619 cam_periph_unhold(periph); 620 cam_periph_unlock(periph); 621 return (0); 622} 623 624static int 625adaclose(struct disk *dp) 626{ 627 struct cam_periph *periph; 628 struct ada_softc *softc; 629 union ccb *ccb; 630 int error; 631 632 periph = (struct cam_periph *)dp->d_drv1; 633 cam_periph_lock(periph); 634 if (cam_periph_hold(periph, PRIBIO) != 0) { 635 cam_periph_unlock(periph); 636 cam_periph_release(periph); 637 return (0); 638 } 639 640 softc = (struct ada_softc *)periph->softc; 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) { 649 650 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 651 cam_fill_ataio(&ccb->ataio, 652 1, 653 adadone, 654 CAM_DIR_NONE, 655 0, 656 NULL, 657 0, 658 ada_default_timeout*1000); 659 660 if (softc->flags & ADA_FLAG_CAN_48BIT) 661 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 662 else 663 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 664 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 665 /*sense_flags*/0, softc->disk->d_devstat); 666 667 if (error != 0) 668 xpt_print(periph->path, "Synchronize cache failed\n"); 669 else 670 softc->flags &= ~ADA_FLAG_DIRTY; 671 xpt_release_ccb(ccb); 672 } 673 674 softc->flags &= ~ADA_FLAG_OPEN; 675 cam_periph_unhold(periph); 676 cam_periph_unlock(periph); 677 cam_periph_release(periph); 678 return (0); 679} 680 681static void 682adaschedule(struct cam_periph *periph) 683{ 684 struct ada_softc *softc = (struct ada_softc *)periph->softc; 685 uint32_t prio; 686 687 if (softc->state != ADA_STATE_NORMAL) 688 return; 689 690 /* Check if cam_periph_getccb() was called. */ 691 prio = periph->immediate_priority; 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 prio = CAM_PRIORITY_NORMAL; 697 } 698 699 /* Schedule CCB if any of above is true. */ 700 if (prio != CAM_PRIORITY_NONE) 701 xpt_schedule(periph, prio); 702} 703 704/* 705 * Actually translate the requested transfer into one the physical driver 706 * can understand. The transfer is described by a buf and will include 707 * only one physical transfer. 708 */ 709static void 710adastrategy(struct bio *bp) 711{ 712 struct cam_periph *periph; 713 struct ada_softc *softc; 714 715 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 716 softc = (struct ada_softc *)periph->softc; 717 718 cam_periph_lock(periph); 719 720 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp)); 721 722 /* 723 * If the device has been made invalid, error out 724 */ 725 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 726 cam_periph_unlock(periph); 727 biofinish(bp, NULL, ENXIO); 728 return; 729 } 730 731 /* 732 * Place it in the queue of disk activities for this disk 733 */ 734 if (bp->bio_cmd == BIO_DELETE && 735 (softc->flags & ADA_FLAG_CAN_TRIM)) { 736 if (ADA_SIO) 737 bioq_disksort(&softc->trim_queue, bp); 738 else 739 bioq_insert_tail(&softc->trim_queue, bp); 740 } else { 741 if (ADA_SIO) 742 bioq_disksort(&softc->bio_queue, bp); 743 else 744 bioq_insert_tail(&softc->bio_queue, bp); 745 } 746 747 /* 748 * Schedule ourselves for performing the work. 749 */ 750 adaschedule(periph); 751 cam_periph_unlock(periph); 752 753 return; 754} 755 756static int 757adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 758{ 759 struct cam_periph *periph; 760 struct ada_softc *softc; 761 u_int secsize; 762 union ccb ccb; 763 struct disk *dp; 764 uint64_t lba; 765 uint16_t count; 766 int error = 0; 767 768 dp = arg; 769 periph = dp->d_drv1; 770 softc = (struct ada_softc *)periph->softc; 771 cam_periph_lock(periph); 772 secsize = softc->params.secsize; 773 lba = offset / secsize; 774 count = length / secsize; 775 776 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 777 cam_periph_unlock(periph); 778 return (ENXIO); 779 } 780 781 if (length > 0) { 782 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 783 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 784 cam_fill_ataio(&ccb.ataio, 785 0, 786 adadone, 787 CAM_DIR_OUT, 788 0, 789 (u_int8_t *) virtual, 790 length, 791 ada_default_timeout*1000); 792 if ((softc->flags & ADA_FLAG_CAN_48BIT) && 793 (lba + count >= ATA_MAX_28BIT_LBA || 794 count >= 256)) { 795 ata_48bit_cmd(&ccb.ataio, ATA_WRITE_DMA48, 796 0, lba, count); 797 } else { 798 ata_28bit_cmd(&ccb.ataio, ATA_WRITE_DMA, 799 0, lba, count); 800 } 801 xpt_polled_action(&ccb); 802 803 error = cam_periph_error(&ccb, 804 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 805 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 806 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 807 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 808 if (error != 0) 809 printf("Aborting dump due to I/O error.\n"); 810 811 cam_periph_unlock(periph); 812 return (error); 813 } 814 815 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { 816 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 817 818 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 819 cam_fill_ataio(&ccb.ataio, 820 0, 821 adadone, 822 CAM_DIR_NONE, 823 0, 824 NULL, 825 0, 826 ada_default_timeout*1000); 827 828 if (softc->flags & ADA_FLAG_CAN_48BIT) 829 ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); 830 else 831 ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); 832 xpt_polled_action(&ccb); 833 834 error = cam_periph_error(&ccb, 835 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 836 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 837 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 838 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 839 if (error != 0) 840 xpt_print(periph->path, "Synchronize cache failed\n"); 841 } 842 cam_periph_unlock(periph); 843 return (error); 844} 845 846static void 847adainit(void) 848{ 849 cam_status status; 850 851 /* 852 * Install a global async callback. This callback will 853 * receive async callbacks like "new device found". 854 */ 855 status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL); 856 857 if (status != CAM_REQ_CMP) { 858 printf("ada: Failed to attach master async callback " 859 "due to status 0x%x!\n", status); 860 } else if (ada_send_ordered) { 861 862 /* Register our event handlers */ 863 if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend, 864 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 865 printf("adainit: power event registration failed!\n"); 866 if ((EVENTHANDLER_REGISTER(power_resume, adaresume, 867 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 868 printf("adainit: power event registration failed!\n"); 869 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown, 870 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 871 printf("adainit: shutdown event registration failed!\n"); 872 } 873} 874 875/* 876 * Callback from GEOM, called when it has finished cleaning up its 877 * resources. 878 */ 879static void 880adadiskgonecb(struct disk *dp) 881{ 882 struct cam_periph *periph; 883 884 periph = (struct cam_periph *)dp->d_drv1; 885 886 cam_periph_release(periph); 887} 888 889static void 890adaoninvalidate(struct cam_periph *periph) 891{ 892 struct ada_softc *softc; 893 894 softc = (struct ada_softc *)periph->softc; 895 896 /* 897 * De-register any async callbacks. 898 */ 899 xpt_register_async(0, adaasync, periph, periph->path); 900 901 /* 902 * Return all queued I/O with ENXIO. 903 * XXX Handle any transactions queued to the card 904 * with XPT_ABORT_CCB. 905 */ 906 bioq_flush(&softc->bio_queue, NULL, ENXIO); 907 bioq_flush(&softc->trim_queue, NULL, ENXIO); 908 909 disk_gone(softc->disk); 910} 911 912static void 913adacleanup(struct cam_periph *periph) 914{ 915 struct ada_softc *softc; 916 917 softc = (struct ada_softc *)periph->softc; 918 919 cam_periph_unlock(periph); 920 921 /* 922 * If we can't free the sysctl tree, oh well... 923 */ 924 if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0 925 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 926 xpt_print(periph->path, "can't remove sysctl context\n"); 927 } 928 929 disk_destroy(softc->disk); 930 callout_drain(&softc->sendordered_c); 931 free(softc, M_DEVBUF); 932 cam_periph_lock(periph); 933} 934 935static void 936adaasync(void *callback_arg, u_int32_t code, 937 struct cam_path *path, void *arg) 938{ 939 struct ccb_getdev cgd; 940 struct cam_periph *periph; 941 struct ada_softc *softc; 942 943 periph = (struct cam_periph *)callback_arg; 944 switch (code) { 945 case AC_FOUND_DEVICE: 946 { 947 struct ccb_getdev *cgd; 948 cam_status status; 949 950 cgd = (struct ccb_getdev *)arg; 951 if (cgd == NULL) 952 break; 953 954 if (cgd->protocol != PROTO_ATA) 955 break; 956 957 /* 958 * Allocate a peripheral instance for 959 * this device and start the probe 960 * process. 961 */ 962 status = cam_periph_alloc(adaregister, adaoninvalidate, 963 adacleanup, adastart, 964 "ada", CAM_PERIPH_BIO, 965 cgd->ccb_h.path, adaasync, 966 AC_FOUND_DEVICE, cgd); 967 968 if (status != CAM_REQ_CMP 969 && status != CAM_REQ_INPROG) 970 printf("adaasync: Unable to attach to new device " 971 "due to status 0x%x\n", status); 972 break; 973 } 974 case AC_GETDEV_CHANGED: 975 { 976 softc = (struct ada_softc *)periph->softc; 977 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 978 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 979 xpt_action((union ccb *)&cgd); 980 981 if ((cgd.ident_data.capabilities1 & ATA_SUPPORT_DMA) && 982 (cgd.inq_flags & SID_DMA)) 983 softc->flags |= ADA_FLAG_CAN_DMA; 984 else 985 softc->flags &= ~ADA_FLAG_CAN_DMA; 986 if (cgd.ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 987 softc->flags |= ADA_FLAG_CAN_48BIT; 988 if (cgd.inq_flags & SID_DMA48) 989 softc->flags |= ADA_FLAG_CAN_DMA48; 990 else 991 softc->flags &= ~ADA_FLAG_CAN_DMA48; 992 } else 993 softc->flags &= ~(ADA_FLAG_CAN_48BIT | 994 ADA_FLAG_CAN_DMA48); 995 if ((cgd.ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 996 (cgd.inq_flags & SID_DMA) && (cgd.inq_flags & SID_CmdQue)) 997 softc->flags |= ADA_FLAG_CAN_NCQ; 998 else 999 softc->flags &= ~ADA_FLAG_CAN_NCQ; 1000 if ((cgd.ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1001 (cgd.inq_flags & SID_DMA)) 1002 softc->flags |= ADA_FLAG_CAN_TRIM; 1003 else 1004 softc->flags &= ~ADA_FLAG_CAN_TRIM; 1005 1006 cam_periph_async(periph, code, path, arg); 1007 break; 1008 } 1009 case AC_ADVINFO_CHANGED: 1010 { 1011 uintptr_t buftype; 1012 1013 buftype = (uintptr_t)arg; 1014 if (buftype == CDAI_TYPE_PHYS_PATH) { 1015 struct ada_softc *softc; 1016 1017 softc = periph->softc; 1018 disk_attr_changed(softc->disk, "GEOM::physpath", 1019 M_NOWAIT); 1020 } 1021 break; 1022 } 1023 case AC_SENT_BDR: 1024 case AC_BUS_RESET: 1025 { 1026 softc = (struct ada_softc *)periph->softc; 1027 cam_periph_async(periph, code, path, arg); 1028 if (softc->state != ADA_STATE_NORMAL) 1029 break; 1030 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1031 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1032 xpt_action((union ccb *)&cgd); 1033 if (ADA_RA >= 0 && 1034 cgd.ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) 1035 softc->state = ADA_STATE_RAHEAD; 1036 else if (ADA_WC >= 0 && 1037 cgd.ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) 1038 softc->state = ADA_STATE_WCACHE; 1039 else 1040 break; 1041 cam_periph_acquire(periph); 1042 xpt_schedule(periph, CAM_PRIORITY_DEV); 1043 } 1044 default: 1045 cam_periph_async(periph, code, path, arg); 1046 break; 1047 } 1048} 1049 1050static void 1051adasysctlinit(void *context, int pending) 1052{ 1053 struct cam_periph *periph; 1054 struct ada_softc *softc; 1055 char tmpstr[80], tmpstr2[80]; 1056 1057 periph = (struct cam_periph *)context; 1058 1059 /* periph was held for us when this task was enqueued */ 1060 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1061 cam_periph_release(periph); 1062 return; 1063 } 1064 1065 softc = (struct ada_softc *)periph->softc; 1066 snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d", periph->unit_number); 1067 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1068 1069 sysctl_ctx_init(&softc->sysctl_ctx); 1070 softc->flags |= ADA_FLAG_SCTX_INIT; 1071 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1072 SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2, 1073 CTLFLAG_RD, 0, tmpstr); 1074 if (softc->sysctl_tree == NULL) { 1075 printf("adasysctlinit: unable to allocate sysctl tree\n"); 1076 cam_periph_release(periph); 1077 return; 1078 } 1079 1080 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1081 OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE, 1082 &softc->read_ahead, 0, "Enable disk read ahead."); 1083 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1084 OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE, 1085 &softc->write_cache, 0, "Enable disk write cache."); 1086 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1087 OID_AUTO, "sort_io_queue", CTLFLAG_RW | CTLFLAG_MPSAFE, 1088 &softc->sort_io_queue, 0, 1089 "Sort IO queue to try and optimise disk access patterns"); 1090#ifdef ADA_TEST_FAILURE 1091 /* 1092 * Add a 'door bell' sysctl which allows one to set it from userland 1093 * and cause something bad to happen. For the moment, we only allow 1094 * whacking the next read or write. 1095 */ 1096 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1097 OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1098 &softc->force_read_error, 0, 1099 "Force a read error for the next N reads."); 1100 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1101 OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1102 &softc->force_write_error, 0, 1103 "Force a write error for the next N writes."); 1104 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1105 OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1106 &softc->periodic_read_error, 0, 1107 "Force a read error every N reads (don't set too low)."); 1108#endif 1109 cam_periph_release(periph); 1110} 1111 1112static int 1113adagetattr(struct bio *bp) 1114{ 1115 int ret; 1116 struct cam_periph *periph; 1117 1118 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1119 cam_periph_lock(periph); 1120 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1121 periph->path); 1122 cam_periph_unlock(periph); 1123 if (ret == 0) 1124 bp->bio_completed = bp->bio_length; 1125 return ret; 1126} 1127 1128static cam_status 1129adaregister(struct cam_periph *periph, void *arg) 1130{ 1131 struct ada_softc *softc; 1132 struct ccb_pathinq cpi; 1133 struct ccb_getdev *cgd; 1134 char announce_buf[80], buf1[32]; 1135 struct disk_params *dp; 1136 caddr_t match; 1137 u_int maxio; 1138 int legacy_id, quirks; 1139 1140 cgd = (struct ccb_getdev *)arg; 1141 if (cgd == NULL) { 1142 printf("adaregister: no getdev CCB, can't register device\n"); 1143 return(CAM_REQ_CMP_ERR); 1144 } 1145 1146 softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF, 1147 M_NOWAIT|M_ZERO); 1148 1149 if (softc == NULL) { 1150 printf("adaregister: Unable to probe new device. " 1151 "Unable to allocate softc\n"); 1152 return(CAM_REQ_CMP_ERR); 1153 } 1154 1155 bioq_init(&softc->bio_queue); 1156 bioq_init(&softc->trim_queue); 1157 1158 if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1159 (cgd->inq_flags & SID_DMA)) 1160 softc->flags |= ADA_FLAG_CAN_DMA; 1161 if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1162 softc->flags |= ADA_FLAG_CAN_48BIT; 1163 if (cgd->inq_flags & SID_DMA48) 1164 softc->flags |= ADA_FLAG_CAN_DMA48; 1165 } 1166 if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE) 1167 softc->flags |= ADA_FLAG_CAN_FLUSHCACHE; 1168 if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT) 1169 softc->flags |= ADA_FLAG_CAN_POWERMGT; 1170 if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1171 (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue)) 1172 softc->flags |= ADA_FLAG_CAN_NCQ; 1173 if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1174 (cgd->inq_flags & SID_DMA)) { 1175 softc->flags |= ADA_FLAG_CAN_TRIM; 1176 softc->trim_max_ranges = TRIM_MAX_RANGES; 1177 if (cgd->ident_data.max_dsm_blocks != 0) { 1178 softc->trim_max_ranges = 1179 min(cgd->ident_data.max_dsm_blocks * 1180 ATA_DSM_BLK_RANGES, softc->trim_max_ranges); 1181 } 1182 } 1183 if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA) 1184 softc->flags |= ADA_FLAG_CAN_CFA; 1185 1186 periph->softc = softc; 1187 1188 /* 1189 * See if this device has any quirks. 1190 */ 1191 match = cam_quirkmatch((caddr_t)&cgd->ident_data, 1192 (caddr_t)ada_quirk_table, 1193 sizeof(ada_quirk_table)/sizeof(*ada_quirk_table), 1194 sizeof(*ada_quirk_table), ata_identify_match); 1195 if (match != NULL) 1196 softc->quirks = ((struct ada_quirk_entry *)match)->quirks; 1197 else 1198 softc->quirks = ADA_Q_NONE; 1199 1200 bzero(&cpi, sizeof(cpi)); 1201 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 1202 cpi.ccb_h.func_code = XPT_PATH_INQ; 1203 xpt_action((union ccb *)&cpi); 1204 1205 TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph); 1206 1207 /* 1208 * Register this media as a disk 1209 */ 1210 (void)cam_periph_hold(periph, PRIBIO); 1211 cam_periph_unlock(periph); 1212 snprintf(announce_buf, sizeof(announce_buf), 1213 "kern.cam.ada.%d.quirks", periph->unit_number); 1214 quirks = softc->quirks; 1215 TUNABLE_INT_FETCH(announce_buf, &quirks); 1216 softc->quirks = quirks; 1217 softc->read_ahead = -1; 1218 snprintf(announce_buf, sizeof(announce_buf), 1219 "kern.cam.ada.%d.read_ahead", periph->unit_number); 1220 TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead); 1221 softc->write_cache = -1; 1222 snprintf(announce_buf, sizeof(announce_buf), 1223 "kern.cam.ada.%d.write_cache", periph->unit_number); 1224 TUNABLE_INT_FETCH(announce_buf, &softc->write_cache); 1225 /* Disable queue sorting for non-rotational media by default. */ 1226 if (cgd->ident_data.media_rotation_rate == 1) 1227 softc->sort_io_queue = 0; 1228 else 1229 softc->sort_io_queue = -1; 1230 adagetparams(periph, cgd); 1231 softc->disk = disk_alloc(); 1232 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1233 periph->unit_number, softc->params.secsize, 1234 DEVSTAT_ALL_SUPPORTED, 1235 DEVSTAT_TYPE_DIRECT | 1236 XPORT_DEVSTAT_TYPE(cpi.transport), 1237 DEVSTAT_PRIORITY_DISK); 1238 softc->disk->d_open = adaopen; 1239 softc->disk->d_close = adaclose; 1240 softc->disk->d_strategy = adastrategy; 1241 softc->disk->d_getattr = adagetattr; 1242 softc->disk->d_dump = adadump; 1243 softc->disk->d_gone = adadiskgonecb; 1244 softc->disk->d_name = "ada"; 1245 softc->disk->d_drv1 = periph; 1246 maxio = cpi.maxio; /* Honor max I/O size of SIM */ 1247 if (maxio == 0) 1248 maxio = DFLTPHYS; /* traditional default */ 1249 else if (maxio > MAXPHYS) 1250 maxio = MAXPHYS; /* for safety */ 1251 if (softc->flags & ADA_FLAG_CAN_48BIT) 1252 maxio = min(maxio, 65536 * softc->params.secsize); 1253 else /* 28bit ATA command limit */ 1254 maxio = min(maxio, 256 * softc->params.secsize); 1255 softc->disk->d_maxsize = maxio; 1256 softc->disk->d_unit = periph->unit_number; 1257 softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION; 1258 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) 1259 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1260 if (softc->flags & ADA_FLAG_CAN_TRIM) { 1261 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1262 softc->disk->d_delmaxsize = softc->params.secsize * 1263 ATA_DSM_RANGE_MAX * 1264 softc->trim_max_ranges; 1265 } else if ((softc->flags & ADA_FLAG_CAN_CFA) && 1266 !(softc->flags & ADA_FLAG_CAN_48BIT)) { 1267 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1268 softc->disk->d_delmaxsize = 256 * softc->params.secsize; 1269 } else 1270 softc->disk->d_delmaxsize = maxio; 1271 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) 1272 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 1273 strlcpy(softc->disk->d_descr, cgd->ident_data.model, 1274 MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model))); 1275 strlcpy(softc->disk->d_ident, cgd->ident_data.serial, 1276 MIN(sizeof(softc->disk->d_ident), sizeof(cgd->ident_data.serial))); 1277 softc->disk->d_hba_vendor = cpi.hba_vendor; 1278 softc->disk->d_hba_device = cpi.hba_device; 1279 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1280 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1281 1282 softc->disk->d_sectorsize = softc->params.secsize; 1283 softc->disk->d_mediasize = (off_t)softc->params.sectors * 1284 softc->params.secsize; 1285 if (ata_physical_sector_size(&cgd->ident_data) != 1286 softc->params.secsize) { 1287 softc->disk->d_stripesize = 1288 ata_physical_sector_size(&cgd->ident_data); 1289 softc->disk->d_stripeoffset = (softc->disk->d_stripesize - 1290 ata_logical_sector_offset(&cgd->ident_data)) % 1291 softc->disk->d_stripesize; 1292 } else if (softc->quirks & ADA_Q_4K) { 1293 softc->disk->d_stripesize = 4096; 1294 softc->disk->d_stripeoffset = 0; 1295 } 1296 softc->disk->d_fwsectors = softc->params.secs_per_track; 1297 softc->disk->d_fwheads = softc->params.heads; 1298 ata_disk_firmware_geom_adjust(softc->disk); 1299 1300 if (ada_legacy_aliases) { 1301#ifdef ATA_STATIC_ID 1302 legacy_id = xpt_path_legacy_ata_id(periph->path); 1303#else 1304 legacy_id = softc->disk->d_unit; 1305#endif 1306 if (legacy_id >= 0) { 1307 snprintf(announce_buf, sizeof(announce_buf), 1308 "kern.devalias.%s%d", 1309 softc->disk->d_name, softc->disk->d_unit); 1310 snprintf(buf1, sizeof(buf1), 1311 "ad%d", legacy_id); 1312 setenv(announce_buf, buf1); 1313 } 1314 } else 1315 legacy_id = -1; 1316 /* 1317 * Acquire a reference to the periph before we register with GEOM. 1318 * We'll release this reference once GEOM calls us back (via 1319 * adadiskgonecb()) telling us that our provider has been freed. 1320 */ 1321 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1322 xpt_print(periph->path, "%s: lost periph during " 1323 "registration!\n", __func__); 1324 cam_periph_lock(periph); 1325 return (CAM_REQ_CMP_ERR); 1326 } 1327 disk_create(softc->disk, DISK_VERSION); 1328 cam_periph_lock(periph); 1329 cam_periph_unhold(periph); 1330 1331 dp = &softc->params; 1332 snprintf(announce_buf, sizeof(announce_buf), 1333 "%juMB (%ju %u byte sectors: %dH %dS/T %dC)", 1334 (uintmax_t)(((uintmax_t)dp->secsize * 1335 dp->sectors) / (1024*1024)), 1336 (uintmax_t)dp->sectors, 1337 dp->secsize, dp->heads, 1338 dp->secs_per_track, dp->cylinders); 1339 xpt_announce_periph(periph, announce_buf); 1340 xpt_announce_quirks(periph, softc->quirks, ADA_Q_BIT_STRING); 1341 if (legacy_id >= 0) 1342 printf("%s%d: Previously was known as ad%d\n", 1343 periph->periph_name, periph->unit_number, legacy_id); 1344 1345 /* 1346 * Create our sysctl variables, now that we know 1347 * we have successfully attached. 1348 */ 1349 cam_periph_acquire(periph); 1350 taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task); 1351 1352 /* 1353 * Add async callbacks for bus reset and 1354 * bus device reset calls. I don't bother 1355 * checking if this fails as, in most cases, 1356 * the system will function just fine without 1357 * them and the only alternative would be to 1358 * not attach the device on failure. 1359 */ 1360 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 1361 AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED, 1362 adaasync, periph, periph->path); 1363 1364 /* 1365 * Schedule a periodic event to occasionally send an 1366 * ordered tag to a device. 1367 */ 1368 callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0); 1369 callout_reset(&softc->sendordered_c, 1370 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1371 adasendorderedtag, softc); 1372 1373 if (ADA_RA >= 0 && 1374 cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) { 1375 softc->state = ADA_STATE_RAHEAD; 1376 cam_periph_acquire(periph); 1377 xpt_schedule(periph, CAM_PRIORITY_DEV); 1378 } else if (ADA_WC >= 0 && 1379 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1380 softc->state = ADA_STATE_WCACHE; 1381 cam_periph_acquire(periph); 1382 xpt_schedule(periph, CAM_PRIORITY_DEV); 1383 } else 1384 softc->state = ADA_STATE_NORMAL; 1385 1386 return(CAM_REQ_CMP); 1387} 1388 1389static void 1390adastart(struct cam_periph *periph, union ccb *start_ccb) 1391{ 1392 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1393 struct ccb_ataio *ataio = &start_ccb->ataio; 1394 1395 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n")); 1396 1397 switch (softc->state) { 1398 case ADA_STATE_NORMAL: 1399 { 1400 struct bio *bp; 1401 u_int8_t tag_code; 1402 1403 /* Execute immediate CCB if waiting. */ 1404 if (periph->immediate_priority <= periph->pinfo.priority) { 1405 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1406 ("queuing for immediate ccb\n")); 1407 start_ccb->ccb_h.ccb_state = ADA_CCB_WAITING; 1408 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1409 periph_links.sle); 1410 periph->immediate_priority = CAM_PRIORITY_NONE; 1411 wakeup(&periph->ccb_list); 1412 /* Have more work to do, so ensure we stay scheduled */ 1413 adaschedule(periph); 1414 break; 1415 } 1416 /* Run TRIM if not running yet. */ 1417 if (!softc->trim_running && 1418 (bp = bioq_first(&softc->trim_queue)) != 0) { 1419 struct trim_request *req = &softc->trim_req; 1420 struct bio *bp1; 1421 uint64_t lastlba = (uint64_t)-1; 1422 int bps = 0, c, lastcount = 0, off, ranges = 0; 1423 1424 softc->trim_running = 1; 1425 bzero(req, sizeof(*req)); 1426 bp1 = bp; 1427 do { 1428 uint64_t lba = bp1->bio_pblkno; 1429 int count = bp1->bio_bcount / 1430 softc->params.secsize; 1431 1432 bioq_remove(&softc->trim_queue, bp1); 1433 1434 /* Try to extend the previous range. */ 1435 if (lba == lastlba) { 1436 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 1437 lastcount += c; 1438 off = (ranges - 1) * ATA_DSM_RANGE_SIZE; 1439 req->data[off + 6] = lastcount & 0xff; 1440 req->data[off + 7] = 1441 (lastcount >> 8) & 0xff; 1442 count -= c; 1443 lba += c; 1444 } 1445 1446 while (count > 0) { 1447 c = min(count, ATA_DSM_RANGE_MAX); 1448 off = ranges * ATA_DSM_RANGE_SIZE; 1449 req->data[off + 0] = lba & 0xff; 1450 req->data[off + 1] = (lba >> 8) & 0xff; 1451 req->data[off + 2] = (lba >> 16) & 0xff; 1452 req->data[off + 3] = (lba >> 24) & 0xff; 1453 req->data[off + 4] = (lba >> 32) & 0xff; 1454 req->data[off + 5] = (lba >> 40) & 0xff; 1455 req->data[off + 6] = c & 0xff; 1456 req->data[off + 7] = (c >> 8) & 0xff; 1457 lba += c; 1458 count -= c; 1459 lastcount = c; 1460 ranges++; 1461 /* 1462 * Its the caller's responsibility to ensure the 1463 * request will fit so we don't need to check for 1464 * overrun here 1465 */ 1466 } 1467 lastlba = lba; 1468 req->bps[bps++] = bp1; 1469 bp1 = bioq_first(&softc->trim_queue); 1470 if (bps >= TRIM_MAX_BIOS || 1471 bp1 == NULL || 1472 bp1->bio_bcount / softc->params.secsize > 1473 (softc->trim_max_ranges - ranges) * 1474 ATA_DSM_RANGE_MAX) 1475 break; 1476 } while (1); 1477 cam_fill_ataio(ataio, 1478 ada_retry_count, 1479 adadone, 1480 CAM_DIR_OUT, 1481 0, 1482 req->data, 1483 ((ranges + ATA_DSM_BLK_RANGES - 1) / 1484 ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE, 1485 ada_default_timeout * 1000); 1486 ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT, 1487 ATA_DSM_TRIM, 0, (ranges + ATA_DSM_BLK_RANGES - 1488 1) / ATA_DSM_BLK_RANGES); 1489 start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM; 1490 goto out; 1491 } 1492 /* Run regular command. */ 1493 bp = bioq_first(&softc->bio_queue); 1494 if (bp == NULL) { 1495 xpt_release_ccb(start_ccb); 1496 break; 1497 } 1498 bioq_remove(&softc->bio_queue, bp); 1499 1500 if ((bp->bio_flags & BIO_ORDERED) != 0 1501 || (softc->flags & ADA_FLAG_NEED_OTAG) != 0) { 1502 softc->flags &= ~ADA_FLAG_NEED_OTAG; 1503 softc->ordered_tag_count++; 1504 tag_code = 0; 1505 } else { 1506 tag_code = 1; 1507 } 1508 switch (bp->bio_cmd) { 1509 case BIO_WRITE: 1510 softc->flags |= ADA_FLAG_DIRTY; 1511 /* FALLTHROUGH */ 1512 case BIO_READ: 1513 { 1514 uint64_t lba = bp->bio_pblkno; 1515 uint16_t count = bp->bio_bcount / softc->params.secsize; 1516#ifdef ADA_TEST_FAILURE 1517 int fail = 0; 1518 1519 /* 1520 * Support the failure ioctls. If the command is a 1521 * read, and there are pending forced read errors, or 1522 * if a write and pending write errors, then fail this 1523 * operation with EIO. This is useful for testing 1524 * purposes. Also, support having every Nth read fail. 1525 * 1526 * This is a rather blunt tool. 1527 */ 1528 if (bp->bio_cmd == BIO_READ) { 1529 if (softc->force_read_error) { 1530 softc->force_read_error--; 1531 fail = 1; 1532 } 1533 if (softc->periodic_read_error > 0) { 1534 if (++softc->periodic_read_count >= 1535 softc->periodic_read_error) { 1536 softc->periodic_read_count = 0; 1537 fail = 1; 1538 } 1539 } 1540 } else { 1541 if (softc->force_write_error) { 1542 softc->force_write_error--; 1543 fail = 1; 1544 } 1545 } 1546 if (fail) { 1547 bp->bio_error = EIO; 1548 bp->bio_flags |= BIO_ERROR; 1549 biodone(bp); 1550 xpt_release_ccb(start_ccb); 1551 adaschedule(periph); 1552 return; 1553 } 1554#endif 1555 KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 || 1556 round_page(bp->bio_bcount + bp->bio_ma_offset) / 1557 PAGE_SIZE == bp->bio_ma_n, 1558 ("Short bio %p", bp)); 1559 cam_fill_ataio(ataio, 1560 ada_retry_count, 1561 adadone, 1562 (bp->bio_cmd == BIO_READ ? CAM_DIR_IN : 1563 CAM_DIR_OUT) | ((bp->bio_flags & BIO_UNMAPPED) 1564 != 0 ? CAM_DATA_BIO : 0), 1565 tag_code, 1566 ((bp->bio_flags & BIO_UNMAPPED) != 0) ? (void *)bp : 1567 bp->bio_data, 1568 bp->bio_bcount, 1569 ada_default_timeout*1000); 1570 1571 if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) { 1572 if (bp->bio_cmd == BIO_READ) { 1573 ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED, 1574 lba, count); 1575 } else { 1576 ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED, 1577 lba, count); 1578 } 1579 } else if ((softc->flags & ADA_FLAG_CAN_48BIT) && 1580 (lba + count >= ATA_MAX_28BIT_LBA || 1581 count > 256)) { 1582 if (softc->flags & ADA_FLAG_CAN_DMA48) { 1583 if (bp->bio_cmd == BIO_READ) { 1584 ata_48bit_cmd(ataio, ATA_READ_DMA48, 1585 0, lba, count); 1586 } else { 1587 ata_48bit_cmd(ataio, ATA_WRITE_DMA48, 1588 0, lba, count); 1589 } 1590 } else { 1591 if (bp->bio_cmd == BIO_READ) { 1592 ata_48bit_cmd(ataio, ATA_READ_MUL48, 1593 0, lba, count); 1594 } else { 1595 ata_48bit_cmd(ataio, ATA_WRITE_MUL48, 1596 0, lba, count); 1597 } 1598 } 1599 } else { 1600 if (count == 256) 1601 count = 0; 1602 if (softc->flags & ADA_FLAG_CAN_DMA) { 1603 if (bp->bio_cmd == BIO_READ) { 1604 ata_28bit_cmd(ataio, ATA_READ_DMA, 1605 0, lba, count); 1606 } else { 1607 ata_28bit_cmd(ataio, ATA_WRITE_DMA, 1608 0, lba, count); 1609 } 1610 } else { 1611 if (bp->bio_cmd == BIO_READ) { 1612 ata_28bit_cmd(ataio, ATA_READ_MUL, 1613 0, lba, count); 1614 } else { 1615 ata_28bit_cmd(ataio, ATA_WRITE_MUL, 1616 0, lba, count); 1617 } 1618 } 1619 } 1620 break; 1621 } 1622 case BIO_DELETE: 1623 { 1624 uint64_t lba = bp->bio_pblkno; 1625 uint16_t count = bp->bio_bcount / softc->params.secsize; 1626 1627 cam_fill_ataio(ataio, 1628 ada_retry_count, 1629 adadone, 1630 CAM_DIR_NONE, 1631 0, 1632 NULL, 1633 0, 1634 ada_default_timeout*1000); 1635 1636 if (count >= 256) 1637 count = 0; 1638 ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count); 1639 break; 1640 } 1641 case BIO_FLUSH: 1642 cam_fill_ataio(ataio, 1643 1, 1644 adadone, 1645 CAM_DIR_NONE, 1646 0, 1647 NULL, 1648 0, 1649 ada_default_timeout*1000); 1650 1651 if (softc->flags & ADA_FLAG_CAN_48BIT) 1652 ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1653 else 1654 ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0); 1655 break; 1656 } 1657 start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO; 1658out: 1659 start_ccb->ccb_h.ccb_bp = bp; 1660 softc->outstanding_cmds++; 1661 xpt_action(start_ccb); 1662 1663 /* May have more work to do, so ensure we stay scheduled */ 1664 adaschedule(periph); 1665 break; 1666 } 1667 case ADA_STATE_RAHEAD: 1668 case ADA_STATE_WCACHE: 1669 { 1670 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1671 softc->state = ADA_STATE_NORMAL; 1672 xpt_release_ccb(start_ccb); 1673 cam_periph_release_locked(periph); 1674 return; 1675 } 1676 1677 cam_fill_ataio(ataio, 1678 1, 1679 adadone, 1680 CAM_DIR_NONE, 1681 0, 1682 NULL, 1683 0, 1684 ada_default_timeout*1000); 1685 1686 if (softc->state == ADA_STATE_RAHEAD) { 1687 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ? 1688 ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0); 1689 start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD; 1690 } else { 1691 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ? 1692 ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0); 1693 start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE; 1694 } 1695 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1696 xpt_action(start_ccb); 1697 break; 1698 } 1699 } 1700} 1701 1702static void 1703adadone(struct cam_periph *periph, union ccb *done_ccb) 1704{ 1705 struct ada_softc *softc; 1706 struct ccb_ataio *ataio; 1707 struct ccb_getdev *cgd; 1708 struct cam_path *path; 1709 int state; 1710 1711 softc = (struct ada_softc *)periph->softc; 1712 ataio = &done_ccb->ataio; 1713 path = done_ccb->ccb_h.path; 1714 1715 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n")); 1716 1717 state = ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK; 1718 switch (state) { 1719 case ADA_CCB_BUFFER_IO: 1720 case ADA_CCB_TRIM: 1721 { 1722 struct bio *bp; 1723 int error; 1724 1725 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1726 error = adaerror(done_ccb, 0, 0); 1727 if (error == ERESTART) { 1728 /* A retry was scheduled, so just return. */ 1729 return; 1730 } 1731 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1732 cam_release_devq(path, 1733 /*relsim_flags*/0, 1734 /*reduction*/0, 1735 /*timeout*/0, 1736 /*getcount_only*/0); 1737 } else { 1738 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1739 panic("REQ_CMP with QFRZN"); 1740 error = 0; 1741 } 1742 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1743 bp->bio_error = error; 1744 if (error != 0) { 1745 bp->bio_resid = bp->bio_bcount; 1746 bp->bio_flags |= BIO_ERROR; 1747 } else { 1748 if (state == ADA_CCB_TRIM) 1749 bp->bio_resid = 0; 1750 else 1751 bp->bio_resid = ataio->resid; 1752 if (bp->bio_resid > 0) 1753 bp->bio_flags |= BIO_ERROR; 1754 } 1755 softc->outstanding_cmds--; 1756 if (softc->outstanding_cmds == 0) 1757 softc->flags |= ADA_FLAG_WENT_IDLE; 1758 if (state == ADA_CCB_TRIM) { 1759 struct trim_request *req = 1760 (struct trim_request *)ataio->data_ptr; 1761 int i; 1762 1763 for (i = 1; i < TRIM_MAX_BIOS && req->bps[i]; i++) { 1764 struct bio *bp1 = req->bps[i]; 1765 1766 bp1->bio_error = bp->bio_error; 1767 if (bp->bio_flags & BIO_ERROR) { 1768 bp1->bio_flags |= BIO_ERROR; 1769 bp1->bio_resid = bp1->bio_bcount; 1770 } else 1771 bp1->bio_resid = 0; 1772 biodone(bp1); 1773 } 1774 softc->trim_running = 0; 1775 biodone(bp); 1776 adaschedule(periph); 1777 } else 1778 biodone(bp); 1779 break; 1780 } 1781 case ADA_CCB_RAHEAD: 1782 { 1783 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1784 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1785out: 1786 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1787 cam_release_devq(path, 0, 0, 0, FALSE); 1788 return; 1789 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1790 cam_release_devq(path, 1791 /*relsim_flags*/0, 1792 /*reduction*/0, 1793 /*timeout*/0, 1794 /*getcount_only*/0); 1795 } 1796 } 1797 1798 /* 1799 * Since our peripheral may be invalidated by an error 1800 * above or an external event, we must release our CCB 1801 * before releasing the reference on the peripheral. 1802 * The peripheral will only go away once the last reference 1803 * is removed, and we need it around for the CCB release 1804 * operation. 1805 */ 1806 cgd = (struct ccb_getdev *)done_ccb; 1807 xpt_setup_ccb(&cgd->ccb_h, path, CAM_PRIORITY_NORMAL); 1808 cgd->ccb_h.func_code = XPT_GDEV_TYPE; 1809 xpt_action((union ccb *)cgd); 1810 if (ADA_WC >= 0 && 1811 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1812 softc->state = ADA_STATE_WCACHE; 1813 xpt_release_ccb(done_ccb); 1814 xpt_schedule(periph, CAM_PRIORITY_DEV); 1815 goto out; 1816 } 1817 softc->state = ADA_STATE_NORMAL; 1818 xpt_release_ccb(done_ccb); 1819 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1820 cam_release_devq(path, 0, 0, 0, FALSE); 1821 adaschedule(periph); 1822 cam_periph_release_locked(periph); 1823 return; 1824 } 1825 case ADA_CCB_WCACHE: 1826 { 1827 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1828 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1829 goto out; 1830 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1831 cam_release_devq(path, 1832 /*relsim_flags*/0, 1833 /*reduction*/0, 1834 /*timeout*/0, 1835 /*getcount_only*/0); 1836 } 1837 } 1838 1839 softc->state = ADA_STATE_NORMAL; 1840 /* 1841 * Since our peripheral may be invalidated by an error 1842 * above or an external event, we must release our CCB 1843 * before releasing the reference on the peripheral. 1844 * The peripheral will only go away once the last reference 1845 * is removed, and we need it around for the CCB release 1846 * operation. 1847 */ 1848 xpt_release_ccb(done_ccb); 1849 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1850 cam_release_devq(path, 0, 0, 0, FALSE); 1851 adaschedule(periph); 1852 cam_periph_release_locked(periph); 1853 return; 1854 } 1855 case ADA_CCB_WAITING: 1856 { 1857 /* Caller will release the CCB */ 1858 wakeup(&done_ccb->ccb_h.cbfcnp); 1859 return; 1860 } 1861 case ADA_CCB_DUMP: 1862 /* No-op. We're polling */ 1863 return; 1864 default: 1865 break; 1866 } 1867 xpt_release_ccb(done_ccb); 1868} 1869 1870static int 1871adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1872{ 1873 1874 return(cam_periph_error(ccb, cam_flags, sense_flags, NULL)); 1875} 1876 1877static void 1878adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd) 1879{ 1880 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1881 struct disk_params *dp = &softc->params; 1882 u_int64_t lbasize48; 1883 u_int32_t lbasize; 1884 1885 dp->secsize = ata_logical_sector_size(&cgd->ident_data); 1886 if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) && 1887 cgd->ident_data.current_heads && cgd->ident_data.current_sectors) { 1888 dp->heads = cgd->ident_data.current_heads; 1889 dp->secs_per_track = cgd->ident_data.current_sectors; 1890 dp->cylinders = cgd->ident_data.cylinders; 1891 dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 | 1892 ((u_int32_t)cgd->ident_data.current_size_2 << 16); 1893 } else { 1894 dp->heads = cgd->ident_data.heads; 1895 dp->secs_per_track = cgd->ident_data.sectors; 1896 dp->cylinders = cgd->ident_data.cylinders; 1897 dp->sectors = cgd->ident_data.cylinders * dp->heads * dp->secs_per_track; 1898 } 1899 lbasize = (u_int32_t)cgd->ident_data.lba_size_1 | 1900 ((u_int32_t)cgd->ident_data.lba_size_2 << 16); 1901 1902 /* use the 28bit LBA size if valid or bigger than the CHS mapping */ 1903 if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize) 1904 dp->sectors = lbasize; 1905 1906 /* use the 48bit LBA size if valid */ 1907 lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) | 1908 ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) | 1909 ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) | 1910 ((u_int64_t)cgd->ident_data.lba_size48_4 << 48); 1911 if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) && 1912 lbasize48 > ATA_MAX_28BIT_LBA) 1913 dp->sectors = lbasize48; 1914} 1915 1916static void 1917adasendorderedtag(void *arg) 1918{ 1919 struct ada_softc *softc = arg; 1920 1921 if (ada_send_ordered) { 1922 if ((softc->ordered_tag_count == 0) 1923 && ((softc->flags & ADA_FLAG_WENT_IDLE) == 0)) { 1924 softc->flags |= ADA_FLAG_NEED_OTAG; 1925 } 1926 if (softc->outstanding_cmds > 0) 1927 softc->flags &= ~ADA_FLAG_WENT_IDLE; 1928 1929 softc->ordered_tag_count = 0; 1930 } 1931 /* Queue us up again */ 1932 callout_reset(&softc->sendordered_c, 1933 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1934 adasendorderedtag, softc); 1935} 1936 1937/* 1938 * Step through all ADA peripheral drivers, and if the device is still open, 1939 * sync the disk cache to physical media. 1940 */ 1941static void 1942adaflush(void) 1943{ 1944 struct cam_periph *periph; 1945 struct ada_softc *softc; 1946 union ccb *ccb; 1947 int error; 1948 1949 CAM_PERIPH_FOREACH(periph, &adadriver) { 1950 softc = (struct ada_softc *)periph->softc; 1951 if (SCHEDULER_STOPPED()) { 1952 /* If we paniced with the lock held, do not recurse. */ 1953 if (!cam_periph_owned(periph) && 1954 (softc->flags & ADA_FLAG_OPEN)) { 1955 adadump(softc->disk, NULL, 0, 0, 0); 1956 } 1957 continue; 1958 } 1959 cam_periph_lock(periph); 1960 /* 1961 * We only sync the cache if the drive is still open, and 1962 * if the drive is capable of it.. 1963 */ 1964 if (((softc->flags & ADA_FLAG_OPEN) == 0) || 1965 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) { 1966 cam_periph_unlock(periph); 1967 continue; 1968 } 1969 1970 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1971 cam_fill_ataio(&ccb->ataio, 1972 0, 1973 adadone, 1974 CAM_DIR_NONE, 1975 0, 1976 NULL, 1977 0, 1978 ada_default_timeout*1000); 1979 if (softc->flags & ADA_FLAG_CAN_48BIT) 1980 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1981 else 1982 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 1983 1984 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 1985 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 1986 softc->disk->d_devstat); 1987 if (error != 0) 1988 xpt_print(periph->path, "Synchronize cache failed\n"); 1989 xpt_release_ccb(ccb); 1990 cam_periph_unlock(periph); 1991 } 1992} 1993 1994static void 1995adaspindown(uint8_t cmd, int flags) 1996{ 1997 struct cam_periph *periph; 1998 struct ada_softc *softc; 1999 union ccb *ccb; 2000 int error; 2001 2002 CAM_PERIPH_FOREACH(periph, &adadriver) { 2003 /* If we paniced with lock held - not recurse here. */ 2004 if (cam_periph_owned(periph)) 2005 continue; 2006 cam_periph_lock(periph); 2007 softc = (struct ada_softc *)periph->softc; 2008 /* 2009 * We only spin-down the drive if it is capable of it.. 2010 */ 2011 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2012 cam_periph_unlock(periph); 2013 continue; 2014 } 2015 2016 if (bootverbose) 2017 xpt_print(periph->path, "spin-down\n"); 2018 2019 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2020 cam_fill_ataio(&ccb->ataio, 2021 0, 2022 adadone, 2023 CAM_DIR_NONE | flags, 2024 0, 2025 NULL, 2026 0, 2027 ada_default_timeout*1000); 2028 ata_28bit_cmd(&ccb->ataio, cmd, 0, 0, 0); 2029 2030 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 2031 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 2032 softc->disk->d_devstat); 2033 if (error != 0) 2034 xpt_print(periph->path, "Spin-down disk failed\n"); 2035 xpt_release_ccb(ccb); 2036 cam_periph_unlock(periph); 2037 } 2038} 2039 2040static void 2041adashutdown(void *arg, int howto) 2042{ 2043 2044 adaflush(); 2045 if (ada_spindown_shutdown != 0 && 2046 (howto & (RB_HALT | RB_POWEROFF)) != 0) 2047 adaspindown(ATA_STANDBY_IMMEDIATE, 0); 2048} 2049 2050static void 2051adasuspend(void *arg) 2052{ 2053 2054 adaflush(); 2055 if (ada_spindown_suspend != 0) 2056 adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE); 2057} 2058 2059static void 2060adaresume(void *arg) 2061{ 2062 struct cam_periph *periph; 2063 struct ada_softc *softc; 2064 2065 if (ada_spindown_suspend == 0) 2066 return; 2067 2068 CAM_PERIPH_FOREACH(periph, &adadriver) { 2069 cam_periph_lock(periph); 2070 softc = (struct ada_softc *)periph->softc; 2071 /* 2072 * We only spin-down the drive if it is capable of it.. 2073 */ 2074 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2075 cam_periph_unlock(periph); 2076 continue; 2077 } 2078 2079 if (bootverbose) 2080 xpt_print(periph->path, "resume\n"); 2081 2082 /* 2083 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on 2084 * sleep request. 2085 */ 2086 cam_release_devq(periph->path, 2087 /*relsim_flags*/0, 2088 /*openings*/0, 2089 /*timeout*/0, 2090 /*getcount_only*/0); 2091 2092 cam_periph_unlock(periph); 2093 } 2094} 2095 2096#endif /* _KERNEL */ 2097