ata_da.c revision 288694
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 288694 2015-10-05 07:07:37Z mav $"); 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_WAS_OTAG = 0x0040, 84 ADA_FLAG_CAN_TRIM = 0x0080, 85 ADA_FLAG_OPEN = 0x0100, 86 ADA_FLAG_SCTX_INIT = 0x0200, 87 ADA_FLAG_CAN_CFA = 0x0400, 88 ADA_FLAG_CAN_POWERMGT = 0x0800, 89 ADA_FLAG_CAN_DMA48 = 0x1000, 90 ADA_FLAG_DIRTY = 0x2000 91} ada_flags; 92 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_DUMP = 0x05, 107 ADA_CCB_TRIM = 0x06, 108 ADA_CCB_TYPE_MASK = 0x0F, 109} ada_ccb_state; 110 111/* Offsets into our private area for storing information */ 112#define ccb_state ppriv_field0 113#define ccb_bp ppriv_ptr1 114 115struct disk_params { 116 u_int8_t heads; 117 u_int8_t secs_per_track; 118 u_int32_t cylinders; 119 u_int32_t secsize; /* Number of bytes/logical sector */ 120 u_int64_t sectors; /* Total number sectors */ 121}; 122 123#define TRIM_MAX_BLOCKS 8 124#define TRIM_MAX_RANGES (TRIM_MAX_BLOCKS * ATA_DSM_BLK_RANGES) 125struct trim_request { 126 uint8_t data[TRIM_MAX_RANGES * ATA_DSM_RANGE_SIZE]; 127 TAILQ_HEAD(, bio) bps; 128}; 129 130struct ada_softc { 131 struct bio_queue_head bio_queue; 132 struct bio_queue_head trim_queue; 133 int outstanding_cmds; /* Number of active commands */ 134 int refcount; /* Active xpt_action() calls */ 135 ada_state state; 136 ada_flags flags; 137 ada_quirks quirks; 138 int sort_io_queue; 139 int trim_max_ranges; 140 int trim_running; 141 int read_ahead; 142 int write_cache; 143#ifdef ADA_TEST_FAILURE 144 int force_read_error; 145 int force_write_error; 146 int periodic_read_error; 147 int periodic_read_count; 148#endif 149 struct disk_params params; 150 struct disk *disk; 151 struct task sysctl_task; 152 struct sysctl_ctx_list sysctl_ctx; 153 struct sysctl_oid *sysctl_tree; 154 struct callout sendordered_c; 155 struct trim_request trim_req; 156}; 157 158struct ada_quirk_entry { 159 struct scsi_inquiry_pattern inq_pat; 160 ada_quirks quirks; 161}; 162 163static struct ada_quirk_entry ada_quirk_table[] = 164{ 165 { 166 /* Hitachi Advanced Format (4k) drives */ 167 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Hitachi H??????????E3*", "*" }, 168 /*quirks*/ADA_Q_4K 169 }, 170 { 171 /* Samsung Advanced Format (4k) drives */ 172 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD155UI*", "*" }, 173 /*quirks*/ADA_Q_4K 174 }, 175 { 176 /* Samsung Advanced Format (4k) drives */ 177 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD204UI*", "*" }, 178 /*quirks*/ADA_Q_4K 179 }, 180 { 181 /* Seagate Barracuda Green Advanced Format (4k) drives */ 182 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DL*", "*" }, 183 /*quirks*/ADA_Q_4K 184 }, 185 { 186 /* Seagate Barracuda Advanced Format (4k) drives */ 187 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???DM*", "*" }, 188 /*quirks*/ADA_Q_4K 189 }, 190 { 191 /* Seagate Barracuda Advanced Format (4k) drives */ 192 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DM*", "*" }, 193 /*quirks*/ADA_Q_4K 194 }, 195 { 196 /* Seagate Momentus Advanced Format (4k) drives */ 197 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500423AS*", "*" }, 198 /*quirks*/ADA_Q_4K 199 }, 200 { 201 /* Seagate Momentus Advanced Format (4k) drives */ 202 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500424AS*", "*" }, 203 /*quirks*/ADA_Q_4K 204 }, 205 { 206 /* Seagate Momentus Advanced Format (4k) drives */ 207 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640423AS*", "*" }, 208 /*quirks*/ADA_Q_4K 209 }, 210 { 211 /* Seagate Momentus Advanced Format (4k) drives */ 212 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640424AS*", "*" }, 213 /*quirks*/ADA_Q_4K 214 }, 215 { 216 /* Seagate Momentus Advanced Format (4k) drives */ 217 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750420AS*", "*" }, 218 /*quirks*/ADA_Q_4K 219 }, 220 { 221 /* Seagate Momentus Advanced Format (4k) drives */ 222 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750422AS*", "*" }, 223 /*quirks*/ADA_Q_4K 224 }, 225 { 226 /* Seagate Momentus Advanced Format (4k) drives */ 227 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750423AS*", "*" }, 228 /*quirks*/ADA_Q_4K 229 }, 230 { 231 /* Seagate Momentus Thin Advanced Format (4k) drives */ 232 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???LT*", "*" }, 233 /*quirks*/ADA_Q_4K 234 }, 235 { 236 /* WDC Caviar Green Advanced Format (4k) drives */ 237 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RS*", "*" }, 238 /*quirks*/ADA_Q_4K 239 }, 240 { 241 /* WDC Caviar Green Advanced Format (4k) drives */ 242 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RX*", "*" }, 243 /*quirks*/ADA_Q_4K 244 }, 245 { 246 /* WDC Caviar Green Advanced Format (4k) drives */ 247 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RS*", "*" }, 248 /*quirks*/ADA_Q_4K 249 }, 250 { 251 /* WDC Caviar Green Advanced Format (4k) drives */ 252 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RX*", "*" }, 253 /*quirks*/ADA_Q_4K 254 }, 255 { 256 /* WDC Scorpio Black Advanced Format (4k) drives */ 257 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PKT*", "*" }, 258 /*quirks*/ADA_Q_4K 259 }, 260 { 261 /* WDC Scorpio Black Advanced Format (4k) drives */ 262 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PKT*", "*" }, 263 /*quirks*/ADA_Q_4K 264 }, 265 { 266 /* WDC Scorpio Blue Advanced Format (4k) drives */ 267 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PVT*", "*" }, 268 /*quirks*/ADA_Q_4K 269 }, 270 { 271 /* WDC Scorpio Blue Advanced Format (4k) drives */ 272 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PVT*", "*" }, 273 /*quirks*/ADA_Q_4K 274 }, 275 /* SSDs */ 276 { 277 /* 278 * Corsair Force 2 SSDs 279 * 4k optimised & trim only works in 4k requests + 4k aligned 280 */ 281 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair CSSD-F*", "*" }, 282 /*quirks*/ADA_Q_4K 283 }, 284 { 285 /* 286 * Corsair Force 3 SSDs 287 * 4k optimised & trim only works in 4k requests + 4k aligned 288 */ 289 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force 3*", "*" }, 290 /*quirks*/ADA_Q_4K 291 }, 292 { 293 /* 294 * Corsair Neutron GTX SSDs 295 * 4k optimised & trim only works in 4k requests + 4k aligned 296 */ 297 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" }, 298 /*quirks*/ADA_Q_4K 299 }, 300 { 301 /* 302 * Corsair Force GT & GS SSDs 303 * 4k optimised & trim only works in 4k requests + 4k aligned 304 */ 305 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force G*", "*" }, 306 /*quirks*/ADA_Q_4K 307 }, 308 { 309 /* 310 * Crucial M4 SSDs 311 * 4k optimised & trim only works in 4k requests + 4k aligned 312 */ 313 { T_DIRECT, SIP_MEDIA_FIXED, "*", "M4-CT???M4SSD2*", "*" }, 314 /*quirks*/ADA_Q_4K 315 }, 316 { 317 /* 318 * Crucial RealSSD C300 SSDs 319 * 4k optimised 320 */ 321 { T_DIRECT, SIP_MEDIA_FIXED, "*", "C300-CTFDDAC???MAG*", 322 "*" }, /*quirks*/ADA_Q_4K 323 }, 324 { 325 /* 326 * Intel 320 Series SSDs 327 * 4k optimised & trim only works in 4k requests + 4k aligned 328 */ 329 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2CW*", "*" }, 330 /*quirks*/ADA_Q_4K 331 }, 332 { 333 /* 334 * Intel 330 Series SSDs 335 * 4k optimised & trim only works in 4k requests + 4k aligned 336 */ 337 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2CT*", "*" }, 338 /*quirks*/ADA_Q_4K 339 }, 340 { 341 /* 342 * Intel 510 Series SSDs 343 * 4k optimised & trim only works in 4k requests + 4k aligned 344 */ 345 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2MH*", "*" }, 346 /*quirks*/ADA_Q_4K 347 }, 348 { 349 /* 350 * Intel 520 Series SSDs 351 * 4k optimised & trim only works in 4k requests + 4k aligned 352 */ 353 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2BW*", "*" }, 354 /*quirks*/ADA_Q_4K 355 }, 356 { 357 /* 358 * Intel X25-M Series SSDs 359 * 4k optimised & trim only works in 4k requests + 4k aligned 360 */ 361 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2M*", "*" }, 362 /*quirks*/ADA_Q_4K 363 }, 364 { 365 /* 366 * Kingston E100 Series SSDs 367 * 4k optimised & trim only works in 4k requests + 4k aligned 368 */ 369 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SE100S3*", "*" }, 370 /*quirks*/ADA_Q_4K 371 }, 372 { 373 /* 374 * Kingston HyperX 3k SSDs 375 * 4k optimised & trim only works in 4k requests + 4k aligned 376 */ 377 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SH103S3*", "*" }, 378 /*quirks*/ADA_Q_4K 379 }, 380 { 381 /* 382 * Marvell SSDs (entry taken from OpenSolaris) 383 * 4k optimised & trim only works in 4k requests + 4k aligned 384 */ 385 { T_DIRECT, SIP_MEDIA_FIXED, "*", "MARVELL SD88SA02*", "*" }, 386 /*quirks*/ADA_Q_4K 387 }, 388 { 389 /* 390 * OCZ Agility 2 SSDs 391 * 4k optimised & trim only works in 4k requests + 4k aligned 392 */ 393 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" }, 394 /*quirks*/ADA_Q_4K 395 }, 396 { 397 /* 398 * OCZ Agility 3 SSDs 399 * 4k optimised & trim only works in 4k requests + 4k aligned 400 */ 401 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY3*", "*" }, 402 /*quirks*/ADA_Q_4K 403 }, 404 { 405 /* 406 * OCZ Deneva R Series SSDs 407 * 4k optimised & trim only works in 4k requests + 4k aligned 408 */ 409 { T_DIRECT, SIP_MEDIA_FIXED, "*", "DENRSTE251M45*", "*" }, 410 /*quirks*/ADA_Q_4K 411 }, 412 { 413 /* 414 * OCZ Vertex 2 SSDs (inc pro series) 415 * 4k optimised & trim only works in 4k requests + 4k aligned 416 */ 417 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ?VERTEX2*", "*" }, 418 /*quirks*/ADA_Q_4K 419 }, 420 { 421 /* 422 * OCZ Vertex 3 SSDs 423 * 4k optimised & trim only works in 4k requests + 4k aligned 424 */ 425 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX3*", "*" }, 426 /*quirks*/ADA_Q_4K 427 }, 428 { 429 /* 430 * OCZ Vertex 4 SSDs 431 * 4k optimised & trim only works in 4k requests + 4k aligned 432 */ 433 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX4*", "*" }, 434 /*quirks*/ADA_Q_4K 435 }, 436 { 437 /* 438 * Samsung 830 Series SSDs 439 * 4k optimised 440 */ 441 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG SSD 830 Series*", "*" }, 442 /*quirks*/ADA_Q_4K 443 }, 444 { 445 /* 446 * Samsung 840 SSDs 447 * 4k optimised 448 */ 449 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 840*", "*" }, 450 /*quirks*/ADA_Q_4K 451 }, 452 { 453 /* 454 * Samsung 843T Series SSDs 455 * 4k optimised 456 */ 457 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG MZ7WD*", "*" }, 458 /*quirks*/ADA_Q_4K 459 }, 460 { 461 /* 462 * Samsung 850 SSDs 463 * 4k optimised 464 */ 465 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 850*", "*" }, 466 /*quirks*/ADA_Q_4K 467 }, 468 { 469 /* 470 * Samsung PM853T Series SSDs 471 * 4k optimised 472 */ 473 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG MZ7GE*", "*" }, 474 /*quirks*/ADA_Q_4K 475 }, 476 { 477 /* 478 * SuperTalent TeraDrive CT SSDs 479 * 4k optimised & trim only works in 4k requests + 4k aligned 480 */ 481 { T_DIRECT, SIP_MEDIA_FIXED, "*", "FTM??CT25H*", "*" }, 482 /*quirks*/ADA_Q_4K 483 }, 484 { 485 /* 486 * XceedIOPS SATA SSDs 487 * 4k optimised 488 */ 489 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SG9XCS2D*", "*" }, 490 /*quirks*/ADA_Q_4K 491 }, 492 { 493 /* Default */ 494 { 495 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 496 /*vendor*/"*", /*product*/"*", /*revision*/"*" 497 }, 498 /*quirks*/0 499 }, 500}; 501 502static disk_strategy_t adastrategy; 503static dumper_t adadump; 504static periph_init_t adainit; 505static void adaasync(void *callback_arg, u_int32_t code, 506 struct cam_path *path, void *arg); 507static void adasysctlinit(void *context, int pending); 508static periph_ctor_t adaregister; 509static periph_dtor_t adacleanup; 510static periph_start_t adastart; 511static periph_oninv_t adaoninvalidate; 512static void adadone(struct cam_periph *periph, 513 union ccb *done_ccb); 514static int adaerror(union ccb *ccb, u_int32_t cam_flags, 515 u_int32_t sense_flags); 516static void adagetparams(struct cam_periph *periph, 517 struct ccb_getdev *cgd); 518static timeout_t adasendorderedtag; 519static void adashutdown(void *arg, int howto); 520static void adasuspend(void *arg); 521static void adaresume(void *arg); 522 523#ifndef ADA_DEFAULT_LEGACY_ALIASES 524#define ADA_DEFAULT_LEGACY_ALIASES 1 525#endif 526 527#ifndef ADA_DEFAULT_TIMEOUT 528#define ADA_DEFAULT_TIMEOUT 30 /* Timeout in seconds */ 529#endif 530 531#ifndef ADA_DEFAULT_RETRY 532#define ADA_DEFAULT_RETRY 4 533#endif 534 535#ifndef ADA_DEFAULT_SEND_ORDERED 536#define ADA_DEFAULT_SEND_ORDERED 1 537#endif 538 539#ifndef ADA_DEFAULT_SPINDOWN_SHUTDOWN 540#define ADA_DEFAULT_SPINDOWN_SHUTDOWN 1 541#endif 542 543#ifndef ADA_DEFAULT_SPINDOWN_SUSPEND 544#define ADA_DEFAULT_SPINDOWN_SUSPEND 1 545#endif 546 547#ifndef ADA_DEFAULT_READ_AHEAD 548#define ADA_DEFAULT_READ_AHEAD 1 549#endif 550 551#ifndef ADA_DEFAULT_WRITE_CACHE 552#define ADA_DEFAULT_WRITE_CACHE 1 553#endif 554 555#define ADA_RA (softc->read_ahead >= 0 ? \ 556 softc->read_ahead : ada_read_ahead) 557#define ADA_WC (softc->write_cache >= 0 ? \ 558 softc->write_cache : ada_write_cache) 559#define ADA_SIO (softc->sort_io_queue >= 0 ? \ 560 softc->sort_io_queue : cam_sort_io_queues) 561 562/* 563 * Most platforms map firmware geometry to actual, but some don't. If 564 * not overridden, default to nothing. 565 */ 566#ifndef ata_disk_firmware_geom_adjust 567#define ata_disk_firmware_geom_adjust(disk) 568#endif 569 570static int ada_legacy_aliases = ADA_DEFAULT_LEGACY_ALIASES; 571static int ada_retry_count = ADA_DEFAULT_RETRY; 572static int ada_default_timeout = ADA_DEFAULT_TIMEOUT; 573static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED; 574static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN; 575static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND; 576static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD; 577static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE; 578 579static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD, 0, 580 "CAM Direct Access Disk driver"); 581SYSCTL_INT(_kern_cam_ada, OID_AUTO, legacy_aliases, CTLFLAG_RW, 582 &ada_legacy_aliases, 0, "Create legacy-like device aliases"); 583TUNABLE_INT("kern.cam.ada.legacy_aliases", &ada_legacy_aliases); 584SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RW, 585 &ada_retry_count, 0, "Normal I/O retry count"); 586TUNABLE_INT("kern.cam.ada.retry_count", &ada_retry_count); 587SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RW, 588 &ada_default_timeout, 0, "Normal I/O timeout (in seconds)"); 589TUNABLE_INT("kern.cam.ada.default_timeout", &ada_default_timeout); 590SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RW, 591 &ada_send_ordered, 0, "Send Ordered Tags"); 592TUNABLE_INT("kern.cam.ada.send_ordered", &ada_send_ordered); 593SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RW, 594 &ada_spindown_shutdown, 0, "Spin down upon shutdown"); 595TUNABLE_INT("kern.cam.ada.spindown_shutdown", &ada_spindown_shutdown); 596SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RW, 597 &ada_spindown_suspend, 0, "Spin down upon suspend"); 598TUNABLE_INT("kern.cam.ada.spindown_suspend", &ada_spindown_suspend); 599SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RW, 600 &ada_read_ahead, 0, "Enable disk read-ahead"); 601TUNABLE_INT("kern.cam.ada.read_ahead", &ada_read_ahead); 602SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RW, 603 &ada_write_cache, 0, "Enable disk write cache"); 604TUNABLE_INT("kern.cam.ada.write_cache", &ada_write_cache); 605 606/* 607 * ADA_ORDEREDTAG_INTERVAL determines how often, relative 608 * to the default timeout, we check to see whether an ordered 609 * tagged transaction is appropriate to prevent simple tag 610 * starvation. Since we'd like to ensure that there is at least 611 * 1/2 of the timeout length left for a starved transaction to 612 * complete after we've sent an ordered tag, we must poll at least 613 * four times in every timeout period. This takes care of the worst 614 * case where a starved transaction starts during an interval that 615 * meets the requirement "don't send an ordered tag" test so it takes 616 * us two intervals to determine that a tag must be sent. 617 */ 618#ifndef ADA_ORDEREDTAG_INTERVAL 619#define ADA_ORDEREDTAG_INTERVAL 4 620#endif 621 622static struct periph_driver adadriver = 623{ 624 adainit, "ada", 625 TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0 626}; 627 628PERIPHDRIVER_DECLARE(ada, adadriver); 629 630static MALLOC_DEFINE(M_ATADA, "ata_da", "ata_da buffers"); 631 632static int 633adaopen(struct disk *dp) 634{ 635 struct cam_periph *periph; 636 struct ada_softc *softc; 637 int error; 638 639 periph = (struct cam_periph *)dp->d_drv1; 640 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 641 return(ENXIO); 642 } 643 644 cam_periph_lock(periph); 645 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 646 cam_periph_unlock(periph); 647 cam_periph_release(periph); 648 return (error); 649 } 650 651 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 652 ("adaopen\n")); 653 654 softc = (struct ada_softc *)periph->softc; 655 softc->flags |= ADA_FLAG_OPEN; 656 657 cam_periph_unhold(periph); 658 cam_periph_unlock(periph); 659 return (0); 660} 661 662static int 663adaclose(struct disk *dp) 664{ 665 struct cam_periph *periph; 666 struct ada_softc *softc; 667 union ccb *ccb; 668 int error; 669 670 periph = (struct cam_periph *)dp->d_drv1; 671 softc = (struct ada_softc *)periph->softc; 672 cam_periph_lock(periph); 673 674 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 675 ("adaclose\n")); 676 677 /* We only sync the cache if the drive is capable of it. */ 678 if ((softc->flags & ADA_FLAG_DIRTY) != 0 && 679 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 && 680 (periph->flags & CAM_PERIPH_INVALID) == 0 && 681 cam_periph_hold(periph, PRIBIO) == 0) { 682 683 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 684 cam_fill_ataio(&ccb->ataio, 685 1, 686 adadone, 687 CAM_DIR_NONE, 688 0, 689 NULL, 690 0, 691 ada_default_timeout*1000); 692 693 if (softc->flags & ADA_FLAG_CAN_48BIT) 694 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 695 else 696 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 697 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 698 /*sense_flags*/0, softc->disk->d_devstat); 699 700 if (error != 0) 701 xpt_print(periph->path, "Synchronize cache failed\n"); 702 else 703 softc->flags &= ~ADA_FLAG_DIRTY; 704 xpt_release_ccb(ccb); 705 cam_periph_unhold(periph); 706 } 707 708 softc->flags &= ~ADA_FLAG_OPEN; 709 710 while (softc->refcount != 0) 711 cam_periph_sleep(periph, &softc->refcount, PRIBIO, "adaclose", 1); 712 cam_periph_unlock(periph); 713 cam_periph_release(periph); 714 return (0); 715} 716 717static void 718adaschedule(struct cam_periph *periph) 719{ 720 struct ada_softc *softc = (struct ada_softc *)periph->softc; 721 722 if (softc->state != ADA_STATE_NORMAL) 723 return; 724 725 /* Check if we have more work to do. */ 726 if (bioq_first(&softc->bio_queue) || 727 (!softc->trim_running && bioq_first(&softc->trim_queue))) { 728 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 729 } 730} 731 732/* 733 * Actually translate the requested transfer into one the physical driver 734 * can understand. The transfer is described by a buf and will include 735 * only one physical transfer. 736 */ 737static void 738adastrategy(struct bio *bp) 739{ 740 struct cam_periph *periph; 741 struct ada_softc *softc; 742 743 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 744 softc = (struct ada_softc *)periph->softc; 745 746 cam_periph_lock(periph); 747 748 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp)); 749 750 /* 751 * If the device has been made invalid, error out 752 */ 753 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 754 cam_periph_unlock(periph); 755 biofinish(bp, NULL, ENXIO); 756 return; 757 } 758 759 /* 760 * Place it in the queue of disk activities for this disk 761 */ 762 if (bp->bio_cmd == BIO_DELETE) { 763 bioq_disksort(&softc->trim_queue, bp); 764 } else { 765 if (ADA_SIO) 766 bioq_disksort(&softc->bio_queue, bp); 767 else 768 bioq_insert_tail(&softc->bio_queue, bp); 769 } 770 771 /* 772 * Schedule ourselves for performing the work. 773 */ 774 adaschedule(periph); 775 cam_periph_unlock(periph); 776 777 return; 778} 779 780static int 781adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 782{ 783 struct cam_periph *periph; 784 struct ada_softc *softc; 785 u_int secsize; 786 union ccb ccb; 787 struct disk *dp; 788 uint64_t lba; 789 uint16_t count; 790 int error = 0; 791 792 dp = arg; 793 periph = dp->d_drv1; 794 softc = (struct ada_softc *)periph->softc; 795 cam_periph_lock(periph); 796 secsize = softc->params.secsize; 797 lba = offset / secsize; 798 count = length / secsize; 799 800 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 801 cam_periph_unlock(periph); 802 return (ENXIO); 803 } 804 805 if (length > 0) { 806 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 807 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 808 cam_fill_ataio(&ccb.ataio, 809 0, 810 adadone, 811 CAM_DIR_OUT, 812 0, 813 (u_int8_t *) virtual, 814 length, 815 ada_default_timeout*1000); 816 if ((softc->flags & ADA_FLAG_CAN_48BIT) && 817 (lba + count >= ATA_MAX_28BIT_LBA || 818 count >= 256)) { 819 ata_48bit_cmd(&ccb.ataio, ATA_WRITE_DMA48, 820 0, lba, count); 821 } else { 822 ata_28bit_cmd(&ccb.ataio, ATA_WRITE_DMA, 823 0, lba, count); 824 } 825 xpt_polled_action(&ccb); 826 827 error = cam_periph_error(&ccb, 828 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 829 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 830 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 831 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 832 if (error != 0) 833 printf("Aborting dump due to I/O error.\n"); 834 835 cam_periph_unlock(periph); 836 return (error); 837 } 838 839 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { 840 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 841 842 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 843 cam_fill_ataio(&ccb.ataio, 844 0, 845 adadone, 846 CAM_DIR_NONE, 847 0, 848 NULL, 849 0, 850 ada_default_timeout*1000); 851 852 if (softc->flags & ADA_FLAG_CAN_48BIT) 853 ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); 854 else 855 ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); 856 xpt_polled_action(&ccb); 857 858 error = cam_periph_error(&ccb, 859 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 860 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 861 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 862 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 863 if (error != 0) 864 xpt_print(periph->path, "Synchronize cache failed\n"); 865 } 866 cam_periph_unlock(periph); 867 return (error); 868} 869 870static void 871adainit(void) 872{ 873 cam_status status; 874 875 /* 876 * Install a global async callback. This callback will 877 * receive async callbacks like "new device found". 878 */ 879 status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL); 880 881 if (status != CAM_REQ_CMP) { 882 printf("ada: Failed to attach master async callback " 883 "due to status 0x%x!\n", status); 884 } else if (ada_send_ordered) { 885 886 /* Register our event handlers */ 887 if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend, 888 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 889 printf("adainit: power event registration failed!\n"); 890 if ((EVENTHANDLER_REGISTER(power_resume, adaresume, 891 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 892 printf("adainit: power event registration failed!\n"); 893 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown, 894 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 895 printf("adainit: shutdown event registration failed!\n"); 896 } 897} 898 899/* 900 * Callback from GEOM, called when it has finished cleaning up its 901 * resources. 902 */ 903static void 904adadiskgonecb(struct disk *dp) 905{ 906 struct cam_periph *periph; 907 908 periph = (struct cam_periph *)dp->d_drv1; 909 910 cam_periph_release(periph); 911} 912 913static void 914adaoninvalidate(struct cam_periph *periph) 915{ 916 struct ada_softc *softc; 917 918 softc = (struct ada_softc *)periph->softc; 919 920 /* 921 * De-register any async callbacks. 922 */ 923 xpt_register_async(0, adaasync, periph, periph->path); 924 925 /* 926 * Return all queued I/O with ENXIO. 927 * XXX Handle any transactions queued to the card 928 * with XPT_ABORT_CCB. 929 */ 930 bioq_flush(&softc->bio_queue, NULL, ENXIO); 931 bioq_flush(&softc->trim_queue, NULL, ENXIO); 932 933 disk_gone(softc->disk); 934} 935 936static void 937adacleanup(struct cam_periph *periph) 938{ 939 struct ada_softc *softc; 940 941 softc = (struct ada_softc *)periph->softc; 942 943 cam_periph_unlock(periph); 944 945 /* 946 * If we can't free the sysctl tree, oh well... 947 */ 948 if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0 949 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 950 xpt_print(periph->path, "can't remove sysctl context\n"); 951 } 952 953 disk_destroy(softc->disk); 954 callout_drain(&softc->sendordered_c); 955 free(softc, M_DEVBUF); 956 cam_periph_lock(periph); 957} 958 959static void 960adaasync(void *callback_arg, u_int32_t code, 961 struct cam_path *path, void *arg) 962{ 963 struct ccb_getdev cgd; 964 struct cam_periph *periph; 965 struct ada_softc *softc; 966 967 periph = (struct cam_periph *)callback_arg; 968 switch (code) { 969 case AC_FOUND_DEVICE: 970 { 971 struct ccb_getdev *cgd; 972 cam_status status; 973 974 cgd = (struct ccb_getdev *)arg; 975 if (cgd == NULL) 976 break; 977 978 if (cgd->protocol != PROTO_ATA) 979 break; 980 981 /* 982 * Allocate a peripheral instance for 983 * this device and start the probe 984 * process. 985 */ 986 status = cam_periph_alloc(adaregister, adaoninvalidate, 987 adacleanup, adastart, 988 "ada", CAM_PERIPH_BIO, 989 path, adaasync, 990 AC_FOUND_DEVICE, cgd); 991 992 if (status != CAM_REQ_CMP 993 && status != CAM_REQ_INPROG) 994 printf("adaasync: Unable to attach to new device " 995 "due to status 0x%x\n", status); 996 break; 997 } 998 case AC_GETDEV_CHANGED: 999 { 1000 softc = (struct ada_softc *)periph->softc; 1001 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1002 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1003 xpt_action((union ccb *)&cgd); 1004 1005 if ((cgd.ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1006 (cgd.inq_flags & SID_DMA)) 1007 softc->flags |= ADA_FLAG_CAN_DMA; 1008 else 1009 softc->flags &= ~ADA_FLAG_CAN_DMA; 1010 if (cgd.ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1011 softc->flags |= ADA_FLAG_CAN_48BIT; 1012 if (cgd.inq_flags & SID_DMA48) 1013 softc->flags |= ADA_FLAG_CAN_DMA48; 1014 else 1015 softc->flags &= ~ADA_FLAG_CAN_DMA48; 1016 } else 1017 softc->flags &= ~(ADA_FLAG_CAN_48BIT | 1018 ADA_FLAG_CAN_DMA48); 1019 if ((cgd.ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1020 (cgd.inq_flags & SID_DMA) && (cgd.inq_flags & SID_CmdQue)) 1021 softc->flags |= ADA_FLAG_CAN_NCQ; 1022 else 1023 softc->flags &= ~ADA_FLAG_CAN_NCQ; 1024 if ((cgd.ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1025 (cgd.inq_flags & SID_DMA)) 1026 softc->flags |= ADA_FLAG_CAN_TRIM; 1027 else 1028 softc->flags &= ~ADA_FLAG_CAN_TRIM; 1029 1030 cam_periph_async(periph, code, path, arg); 1031 break; 1032 } 1033 case AC_ADVINFO_CHANGED: 1034 { 1035 uintptr_t buftype; 1036 1037 buftype = (uintptr_t)arg; 1038 if (buftype == CDAI_TYPE_PHYS_PATH) { 1039 struct ada_softc *softc; 1040 1041 softc = periph->softc; 1042 disk_attr_changed(softc->disk, "GEOM::physpath", 1043 M_NOWAIT); 1044 } 1045 break; 1046 } 1047 case AC_SENT_BDR: 1048 case AC_BUS_RESET: 1049 { 1050 softc = (struct ada_softc *)periph->softc; 1051 cam_periph_async(periph, code, path, arg); 1052 if (softc->state != ADA_STATE_NORMAL) 1053 break; 1054 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1055 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1056 xpt_action((union ccb *)&cgd); 1057 if (ADA_RA >= 0 && 1058 cgd.ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) 1059 softc->state = ADA_STATE_RAHEAD; 1060 else if (ADA_WC >= 0 && 1061 cgd.ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) 1062 softc->state = ADA_STATE_WCACHE; 1063 else 1064 break; 1065 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1066 softc->state = ADA_STATE_NORMAL; 1067 else 1068 xpt_schedule(periph, CAM_PRIORITY_DEV); 1069 } 1070 default: 1071 cam_periph_async(periph, code, path, arg); 1072 break; 1073 } 1074} 1075 1076static void 1077adasysctlinit(void *context, int pending) 1078{ 1079 struct cam_periph *periph; 1080 struct ada_softc *softc; 1081 char tmpstr[80], tmpstr2[80]; 1082 1083 periph = (struct cam_periph *)context; 1084 1085 /* periph was held for us when this task was enqueued */ 1086 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1087 cam_periph_release(periph); 1088 return; 1089 } 1090 1091 softc = (struct ada_softc *)periph->softc; 1092 snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d", periph->unit_number); 1093 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1094 1095 sysctl_ctx_init(&softc->sysctl_ctx); 1096 softc->flags |= ADA_FLAG_SCTX_INIT; 1097 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1098 SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2, 1099 CTLFLAG_RD, 0, tmpstr); 1100 if (softc->sysctl_tree == NULL) { 1101 printf("adasysctlinit: unable to allocate sysctl tree\n"); 1102 cam_periph_release(periph); 1103 return; 1104 } 1105 1106 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1107 OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE, 1108 &softc->read_ahead, 0, "Enable disk read ahead."); 1109 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1110 OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE, 1111 &softc->write_cache, 0, "Enable disk write cache."); 1112 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1113 OID_AUTO, "sort_io_queue", CTLFLAG_RW | CTLFLAG_MPSAFE, 1114 &softc->sort_io_queue, 0, 1115 "Sort IO queue to try and optimise disk access patterns"); 1116#ifdef ADA_TEST_FAILURE 1117 /* 1118 * Add a 'door bell' sysctl which allows one to set it from userland 1119 * and cause something bad to happen. For the moment, we only allow 1120 * whacking the next read or write. 1121 */ 1122 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1123 OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1124 &softc->force_read_error, 0, 1125 "Force a read error for the next N reads."); 1126 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1127 OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1128 &softc->force_write_error, 0, 1129 "Force a write error for the next N writes."); 1130 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1131 OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1132 &softc->periodic_read_error, 0, 1133 "Force a read error every N reads (don't set too low)."); 1134#endif 1135 cam_periph_release(periph); 1136} 1137 1138static int 1139adagetattr(struct bio *bp) 1140{ 1141 int ret; 1142 struct cam_periph *periph; 1143 1144 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1145 cam_periph_lock(periph); 1146 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1147 periph->path); 1148 cam_periph_unlock(periph); 1149 if (ret == 0) 1150 bp->bio_completed = bp->bio_length; 1151 return ret; 1152} 1153 1154static cam_status 1155adaregister(struct cam_periph *periph, void *arg) 1156{ 1157 struct ada_softc *softc; 1158 struct ccb_pathinq cpi; 1159 struct ccb_getdev *cgd; 1160 char announce_buf[80], buf1[32]; 1161 struct disk_params *dp; 1162 caddr_t match; 1163 u_int maxio; 1164 int legacy_id, quirks; 1165 1166 cgd = (struct ccb_getdev *)arg; 1167 if (cgd == NULL) { 1168 printf("adaregister: no getdev CCB, can't register device\n"); 1169 return(CAM_REQ_CMP_ERR); 1170 } 1171 1172 softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF, 1173 M_NOWAIT|M_ZERO); 1174 1175 if (softc == NULL) { 1176 printf("adaregister: Unable to probe new device. " 1177 "Unable to allocate softc\n"); 1178 return(CAM_REQ_CMP_ERR); 1179 } 1180 1181 bioq_init(&softc->bio_queue); 1182 bioq_init(&softc->trim_queue); 1183 1184 if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1185 (cgd->inq_flags & SID_DMA)) 1186 softc->flags |= ADA_FLAG_CAN_DMA; 1187 if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1188 softc->flags |= ADA_FLAG_CAN_48BIT; 1189 if (cgd->inq_flags & SID_DMA48) 1190 softc->flags |= ADA_FLAG_CAN_DMA48; 1191 } 1192 if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE) 1193 softc->flags |= ADA_FLAG_CAN_FLUSHCACHE; 1194 if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT) 1195 softc->flags |= ADA_FLAG_CAN_POWERMGT; 1196 if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1197 (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue)) 1198 softc->flags |= ADA_FLAG_CAN_NCQ; 1199 if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1200 (cgd->inq_flags & SID_DMA)) { 1201 softc->flags |= ADA_FLAG_CAN_TRIM; 1202 softc->trim_max_ranges = TRIM_MAX_RANGES; 1203 if (cgd->ident_data.max_dsm_blocks != 0) { 1204 softc->trim_max_ranges = 1205 min(cgd->ident_data.max_dsm_blocks * 1206 ATA_DSM_BLK_RANGES, softc->trim_max_ranges); 1207 } 1208 } 1209 if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA) 1210 softc->flags |= ADA_FLAG_CAN_CFA; 1211 1212 periph->softc = softc; 1213 1214 /* 1215 * See if this device has any quirks. 1216 */ 1217 match = cam_quirkmatch((caddr_t)&cgd->ident_data, 1218 (caddr_t)ada_quirk_table, 1219 sizeof(ada_quirk_table)/sizeof(*ada_quirk_table), 1220 sizeof(*ada_quirk_table), ata_identify_match); 1221 if (match != NULL) 1222 softc->quirks = ((struct ada_quirk_entry *)match)->quirks; 1223 else 1224 softc->quirks = ADA_Q_NONE; 1225 1226 bzero(&cpi, sizeof(cpi)); 1227 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 1228 cpi.ccb_h.func_code = XPT_PATH_INQ; 1229 xpt_action((union ccb *)&cpi); 1230 1231 TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph); 1232 1233 /* 1234 * Register this media as a disk 1235 */ 1236 (void)cam_periph_hold(periph, PRIBIO); 1237 cam_periph_unlock(periph); 1238 snprintf(announce_buf, sizeof(announce_buf), 1239 "kern.cam.ada.%d.quirks", periph->unit_number); 1240 quirks = softc->quirks; 1241 TUNABLE_INT_FETCH(announce_buf, &quirks); 1242 softc->quirks = quirks; 1243 softc->read_ahead = -1; 1244 snprintf(announce_buf, sizeof(announce_buf), 1245 "kern.cam.ada.%d.read_ahead", periph->unit_number); 1246 TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead); 1247 softc->write_cache = -1; 1248 snprintf(announce_buf, sizeof(announce_buf), 1249 "kern.cam.ada.%d.write_cache", periph->unit_number); 1250 TUNABLE_INT_FETCH(announce_buf, &softc->write_cache); 1251 /* Disable queue sorting for non-rotational media by default. */ 1252 if (cgd->ident_data.media_rotation_rate == ATA_RATE_NON_ROTATING) 1253 softc->sort_io_queue = 0; 1254 else 1255 softc->sort_io_queue = -1; 1256 adagetparams(periph, cgd); 1257 softc->disk = disk_alloc(); 1258 softc->disk->d_rotation_rate = cgd->ident_data.media_rotation_rate; 1259 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1260 periph->unit_number, softc->params.secsize, 1261 DEVSTAT_ALL_SUPPORTED, 1262 DEVSTAT_TYPE_DIRECT | 1263 XPORT_DEVSTAT_TYPE(cpi.transport), 1264 DEVSTAT_PRIORITY_DISK); 1265 softc->disk->d_open = adaopen; 1266 softc->disk->d_close = adaclose; 1267 softc->disk->d_strategy = adastrategy; 1268 softc->disk->d_getattr = adagetattr; 1269 softc->disk->d_dump = adadump; 1270 softc->disk->d_gone = adadiskgonecb; 1271 softc->disk->d_name = "ada"; 1272 softc->disk->d_drv1 = periph; 1273 maxio = cpi.maxio; /* Honor max I/O size of SIM */ 1274 if (maxio == 0) 1275 maxio = DFLTPHYS; /* traditional default */ 1276 else if (maxio > MAXPHYS) 1277 maxio = MAXPHYS; /* for safety */ 1278 if (softc->flags & ADA_FLAG_CAN_48BIT) 1279 maxio = min(maxio, 65536 * softc->params.secsize); 1280 else /* 28bit ATA command limit */ 1281 maxio = min(maxio, 256 * softc->params.secsize); 1282 softc->disk->d_maxsize = maxio; 1283 softc->disk->d_unit = periph->unit_number; 1284 softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION; 1285 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) 1286 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1287 if (softc->flags & ADA_FLAG_CAN_TRIM) { 1288 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1289 softc->disk->d_delmaxsize = softc->params.secsize * 1290 ATA_DSM_RANGE_MAX * 1291 softc->trim_max_ranges; 1292 } else if ((softc->flags & ADA_FLAG_CAN_CFA) && 1293 !(softc->flags & ADA_FLAG_CAN_48BIT)) { 1294 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1295 softc->disk->d_delmaxsize = 256 * softc->params.secsize; 1296 } else 1297 softc->disk->d_delmaxsize = maxio; 1298 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) 1299 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 1300 strlcpy(softc->disk->d_descr, cgd->ident_data.model, 1301 MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model))); 1302 strlcpy(softc->disk->d_ident, cgd->ident_data.serial, 1303 MIN(sizeof(softc->disk->d_ident), sizeof(cgd->ident_data.serial))); 1304 softc->disk->d_hba_vendor = cpi.hba_vendor; 1305 softc->disk->d_hba_device = cpi.hba_device; 1306 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1307 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1308 1309 softc->disk->d_sectorsize = softc->params.secsize; 1310 softc->disk->d_mediasize = (off_t)softc->params.sectors * 1311 softc->params.secsize; 1312 if (ata_physical_sector_size(&cgd->ident_data) != 1313 softc->params.secsize) { 1314 softc->disk->d_stripesize = 1315 ata_physical_sector_size(&cgd->ident_data); 1316 softc->disk->d_stripeoffset = (softc->disk->d_stripesize - 1317 ata_logical_sector_offset(&cgd->ident_data)) % 1318 softc->disk->d_stripesize; 1319 } else if (softc->quirks & ADA_Q_4K) { 1320 softc->disk->d_stripesize = 4096; 1321 softc->disk->d_stripeoffset = 0; 1322 } 1323 softc->disk->d_fwsectors = softc->params.secs_per_track; 1324 softc->disk->d_fwheads = softc->params.heads; 1325 ata_disk_firmware_geom_adjust(softc->disk); 1326 1327 if (ada_legacy_aliases) { 1328#ifdef ATA_STATIC_ID 1329 legacy_id = xpt_path_legacy_ata_id(periph->path); 1330#else 1331 legacy_id = softc->disk->d_unit; 1332#endif 1333 if (legacy_id >= 0) { 1334 snprintf(announce_buf, sizeof(announce_buf), 1335 "kern.devalias.%s%d", 1336 softc->disk->d_name, softc->disk->d_unit); 1337 snprintf(buf1, sizeof(buf1), 1338 "ad%d", legacy_id); 1339 setenv(announce_buf, buf1); 1340 } 1341 } else 1342 legacy_id = -1; 1343 /* 1344 * Acquire a reference to the periph before we register with GEOM. 1345 * We'll release this reference once GEOM calls us back (via 1346 * adadiskgonecb()) telling us that our provider has been freed. 1347 */ 1348 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1349 xpt_print(periph->path, "%s: lost periph during " 1350 "registration!\n", __func__); 1351 cam_periph_lock(periph); 1352 return (CAM_REQ_CMP_ERR); 1353 } 1354 disk_create(softc->disk, DISK_VERSION); 1355 cam_periph_lock(periph); 1356 cam_periph_unhold(periph); 1357 1358 dp = &softc->params; 1359 snprintf(announce_buf, sizeof(announce_buf), 1360 "%juMB (%ju %u byte sectors: %dH %dS/T %dC)", 1361 (uintmax_t)(((uintmax_t)dp->secsize * 1362 dp->sectors) / (1024*1024)), 1363 (uintmax_t)dp->sectors, 1364 dp->secsize, dp->heads, 1365 dp->secs_per_track, dp->cylinders); 1366 xpt_announce_periph(periph, announce_buf); 1367 xpt_announce_quirks(periph, softc->quirks, ADA_Q_BIT_STRING); 1368 if (legacy_id >= 0) 1369 printf("%s%d: Previously was known as ad%d\n", 1370 periph->periph_name, periph->unit_number, legacy_id); 1371 1372 /* 1373 * Create our sysctl variables, now that we know 1374 * we have successfully attached. 1375 */ 1376 if (cam_periph_acquire(periph) == CAM_REQ_CMP) 1377 taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task); 1378 1379 /* 1380 * Add async callbacks for bus reset and 1381 * bus device reset calls. I don't bother 1382 * checking if this fails as, in most cases, 1383 * the system will function just fine without 1384 * them and the only alternative would be to 1385 * not attach the device on failure. 1386 */ 1387 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 1388 AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED, 1389 adaasync, periph, periph->path); 1390 1391 /* 1392 * Schedule a periodic event to occasionally send an 1393 * ordered tag to a device. 1394 */ 1395 callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0); 1396 callout_reset(&softc->sendordered_c, 1397 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1398 adasendorderedtag, softc); 1399 1400 if (ADA_RA >= 0 && 1401 cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) { 1402 softc->state = ADA_STATE_RAHEAD; 1403 } else if (ADA_WC >= 0 && 1404 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1405 softc->state = ADA_STATE_WCACHE; 1406 } else { 1407 softc->state = ADA_STATE_NORMAL; 1408 return(CAM_REQ_CMP); 1409 } 1410 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1411 softc->state = ADA_STATE_NORMAL; 1412 else 1413 xpt_schedule(periph, CAM_PRIORITY_DEV); 1414 return(CAM_REQ_CMP); 1415} 1416 1417static void 1418ada_dsmtrim(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio) 1419{ 1420 struct trim_request *req = &softc->trim_req; 1421 uint64_t lastlba = (uint64_t)-1; 1422 int c, lastcount = 0, off, ranges = 0; 1423 1424 bzero(req, sizeof(*req)); 1425 TAILQ_INIT(&req->bps); 1426 do { 1427 uint64_t lba = bp->bio_pblkno; 1428 int count = bp->bio_bcount / softc->params.secsize; 1429 1430 bioq_remove(&softc->trim_queue, bp); 1431 1432 /* Try to extend the previous range. */ 1433 if (lba == lastlba) { 1434 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 1435 lastcount += c; 1436 off = (ranges - 1) * ATA_DSM_RANGE_SIZE; 1437 req->data[off + 6] = lastcount & 0xff; 1438 req->data[off + 7] = 1439 (lastcount >> 8) & 0xff; 1440 count -= c; 1441 lba += c; 1442 } 1443 1444 while (count > 0) { 1445 c = min(count, ATA_DSM_RANGE_MAX); 1446 off = ranges * ATA_DSM_RANGE_SIZE; 1447 req->data[off + 0] = lba & 0xff; 1448 req->data[off + 1] = (lba >> 8) & 0xff; 1449 req->data[off + 2] = (lba >> 16) & 0xff; 1450 req->data[off + 3] = (lba >> 24) & 0xff; 1451 req->data[off + 4] = (lba >> 32) & 0xff; 1452 req->data[off + 5] = (lba >> 40) & 0xff; 1453 req->data[off + 6] = c & 0xff; 1454 req->data[off + 7] = (c >> 8) & 0xff; 1455 lba += c; 1456 count -= c; 1457 lastcount = c; 1458 ranges++; 1459 /* 1460 * Its the caller's responsibility to ensure the 1461 * request will fit so we don't need to check for 1462 * overrun here 1463 */ 1464 } 1465 lastlba = lba; 1466 TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue); 1467 bp = bioq_first(&softc->trim_queue); 1468 if (bp == NULL || 1469 bp->bio_bcount / softc->params.secsize > 1470 (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) 1471 break; 1472 } while (1); 1473 cam_fill_ataio(ataio, 1474 ada_retry_count, 1475 adadone, 1476 CAM_DIR_OUT, 1477 0, 1478 req->data, 1479 ((ranges + ATA_DSM_BLK_RANGES - 1) / 1480 ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE, 1481 ada_default_timeout * 1000); 1482 ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT, 1483 ATA_DSM_TRIM, 0, (ranges + ATA_DSM_BLK_RANGES - 1484 1) / ATA_DSM_BLK_RANGES); 1485} 1486 1487static void 1488ada_cfaerase(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio) 1489{ 1490 struct trim_request *req = &softc->trim_req; 1491 uint64_t lba = bp->bio_pblkno; 1492 uint16_t count = bp->bio_bcount / softc->params.secsize; 1493 1494 bzero(req, sizeof(*req)); 1495 TAILQ_INIT(&req->bps); 1496 bioq_remove(&softc->trim_queue, bp); 1497 TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue); 1498 1499 cam_fill_ataio(ataio, 1500 ada_retry_count, 1501 adadone, 1502 CAM_DIR_NONE, 1503 0, 1504 NULL, 1505 0, 1506 ada_default_timeout*1000); 1507 1508 if (count >= 256) 1509 count = 0; 1510 ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count); 1511} 1512 1513static void 1514adastart(struct cam_periph *periph, union ccb *start_ccb) 1515{ 1516 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1517 struct ccb_ataio *ataio = &start_ccb->ataio; 1518 1519 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n")); 1520 1521 switch (softc->state) { 1522 case ADA_STATE_NORMAL: 1523 { 1524 struct bio *bp; 1525 u_int8_t tag_code; 1526 1527 /* Run TRIM if not running yet. */ 1528 if (!softc->trim_running && 1529 (bp = bioq_first(&softc->trim_queue)) != 0) { 1530 if (softc->flags & ADA_FLAG_CAN_TRIM) { 1531 ada_dsmtrim(softc, bp, ataio); 1532 } else if ((softc->flags & ADA_FLAG_CAN_CFA) && 1533 !(softc->flags & ADA_FLAG_CAN_48BIT)) { 1534 ada_cfaerase(softc, bp, ataio); 1535 } else { 1536 /* This can happen if DMA was disabled. */ 1537 bioq_remove(&softc->trim_queue, bp); 1538 biofinish(bp, NULL, EOPNOTSUPP); 1539 xpt_release_ccb(start_ccb); 1540 adaschedule(periph); 1541 return; 1542 } 1543 softc->trim_running = 1; 1544 start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM; 1545 start_ccb->ccb_h.flags |= CAM_UNLOCKED; 1546 goto out; 1547 } 1548 /* Run regular command. */ 1549 bp = bioq_first(&softc->bio_queue); 1550 if (bp == NULL) { 1551 xpt_release_ccb(start_ccb); 1552 break; 1553 } 1554 bioq_remove(&softc->bio_queue, bp); 1555 1556 if ((bp->bio_flags & BIO_ORDERED) != 0 1557 || (softc->flags & ADA_FLAG_NEED_OTAG) != 0) { 1558 softc->flags &= ~ADA_FLAG_NEED_OTAG; 1559 softc->flags |= ADA_FLAG_WAS_OTAG; 1560 tag_code = 0; 1561 } else { 1562 tag_code = 1; 1563 } 1564 switch (bp->bio_cmd) { 1565 case BIO_WRITE: 1566 softc->flags |= ADA_FLAG_DIRTY; 1567 /* FALLTHROUGH */ 1568 case BIO_READ: 1569 { 1570 uint64_t lba = bp->bio_pblkno; 1571 uint16_t count = bp->bio_bcount / softc->params.secsize; 1572#ifdef ADA_TEST_FAILURE 1573 int fail = 0; 1574 1575 /* 1576 * Support the failure ioctls. If the command is a 1577 * read, and there are pending forced read errors, or 1578 * if a write and pending write errors, then fail this 1579 * operation with EIO. This is useful for testing 1580 * purposes. Also, support having every Nth read fail. 1581 * 1582 * This is a rather blunt tool. 1583 */ 1584 if (bp->bio_cmd == BIO_READ) { 1585 if (softc->force_read_error) { 1586 softc->force_read_error--; 1587 fail = 1; 1588 } 1589 if (softc->periodic_read_error > 0) { 1590 if (++softc->periodic_read_count >= 1591 softc->periodic_read_error) { 1592 softc->periodic_read_count = 0; 1593 fail = 1; 1594 } 1595 } 1596 } else { 1597 if (softc->force_write_error) { 1598 softc->force_write_error--; 1599 fail = 1; 1600 } 1601 } 1602 if (fail) { 1603 biofinish(bp, NULL, EIO); 1604 xpt_release_ccb(start_ccb); 1605 adaschedule(periph); 1606 return; 1607 } 1608#endif 1609 KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 || 1610 round_page(bp->bio_bcount + bp->bio_ma_offset) / 1611 PAGE_SIZE == bp->bio_ma_n, 1612 ("Short bio %p", bp)); 1613 cam_fill_ataio(ataio, 1614 ada_retry_count, 1615 adadone, 1616 (bp->bio_cmd == BIO_READ ? CAM_DIR_IN : 1617 CAM_DIR_OUT) | ((bp->bio_flags & BIO_UNMAPPED) 1618 != 0 ? CAM_DATA_BIO : 0), 1619 tag_code, 1620 ((bp->bio_flags & BIO_UNMAPPED) != 0) ? (void *)bp : 1621 bp->bio_data, 1622 bp->bio_bcount, 1623 ada_default_timeout*1000); 1624 1625 if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) { 1626 if (bp->bio_cmd == BIO_READ) { 1627 ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED, 1628 lba, count); 1629 } else { 1630 ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED, 1631 lba, count); 1632 } 1633 } else if ((softc->flags & ADA_FLAG_CAN_48BIT) && 1634 (lba + count >= ATA_MAX_28BIT_LBA || 1635 count > 256)) { 1636 if (softc->flags & ADA_FLAG_CAN_DMA48) { 1637 if (bp->bio_cmd == BIO_READ) { 1638 ata_48bit_cmd(ataio, ATA_READ_DMA48, 1639 0, lba, count); 1640 } else { 1641 ata_48bit_cmd(ataio, ATA_WRITE_DMA48, 1642 0, lba, count); 1643 } 1644 } else { 1645 if (bp->bio_cmd == BIO_READ) { 1646 ata_48bit_cmd(ataio, ATA_READ_MUL48, 1647 0, lba, count); 1648 } else { 1649 ata_48bit_cmd(ataio, ATA_WRITE_MUL48, 1650 0, lba, count); 1651 } 1652 } 1653 } else { 1654 if (count == 256) 1655 count = 0; 1656 if (softc->flags & ADA_FLAG_CAN_DMA) { 1657 if (bp->bio_cmd == BIO_READ) { 1658 ata_28bit_cmd(ataio, ATA_READ_DMA, 1659 0, lba, count); 1660 } else { 1661 ata_28bit_cmd(ataio, ATA_WRITE_DMA, 1662 0, lba, count); 1663 } 1664 } else { 1665 if (bp->bio_cmd == BIO_READ) { 1666 ata_28bit_cmd(ataio, ATA_READ_MUL, 1667 0, lba, count); 1668 } else { 1669 ata_28bit_cmd(ataio, ATA_WRITE_MUL, 1670 0, lba, count); 1671 } 1672 } 1673 } 1674 break; 1675 } 1676 case BIO_FLUSH: 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->flags & ADA_FLAG_CAN_48BIT) 1687 ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1688 else 1689 ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0); 1690 break; 1691 } 1692 start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO; 1693 start_ccb->ccb_h.flags |= CAM_UNLOCKED; 1694out: 1695 start_ccb->ccb_h.ccb_bp = bp; 1696 softc->outstanding_cmds++; 1697 softc->refcount++; 1698 cam_periph_unlock(periph); 1699 xpt_action(start_ccb); 1700 cam_periph_lock(periph); 1701 softc->refcount--; 1702 1703 /* May have more work to do, so ensure we stay scheduled */ 1704 adaschedule(periph); 1705 break; 1706 } 1707 case ADA_STATE_RAHEAD: 1708 case ADA_STATE_WCACHE: 1709 { 1710 cam_fill_ataio(ataio, 1711 1, 1712 adadone, 1713 CAM_DIR_NONE, 1714 0, 1715 NULL, 1716 0, 1717 ada_default_timeout*1000); 1718 1719 if (softc->state == ADA_STATE_RAHEAD) { 1720 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ? 1721 ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0); 1722 start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD; 1723 } else { 1724 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ? 1725 ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0); 1726 start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE; 1727 } 1728 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1729 xpt_action(start_ccb); 1730 break; 1731 } 1732 } 1733} 1734 1735static void 1736adadone(struct cam_periph *periph, union ccb *done_ccb) 1737{ 1738 struct ada_softc *softc; 1739 struct ccb_ataio *ataio; 1740 struct ccb_getdev *cgd; 1741 struct cam_path *path; 1742 int state; 1743 1744 softc = (struct ada_softc *)periph->softc; 1745 ataio = &done_ccb->ataio; 1746 path = done_ccb->ccb_h.path; 1747 1748 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n")); 1749 1750 state = ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK; 1751 switch (state) { 1752 case ADA_CCB_BUFFER_IO: 1753 case ADA_CCB_TRIM: 1754 { 1755 struct bio *bp; 1756 int error; 1757 1758 cam_periph_lock(periph); 1759 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1760 error = adaerror(done_ccb, 0, 0); 1761 if (error == ERESTART) { 1762 /* A retry was scheduled, so just return. */ 1763 cam_periph_unlock(periph); 1764 return; 1765 } 1766 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1767 cam_release_devq(path, 1768 /*relsim_flags*/0, 1769 /*reduction*/0, 1770 /*timeout*/0, 1771 /*getcount_only*/0); 1772 } else { 1773 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1774 panic("REQ_CMP with QFRZN"); 1775 error = 0; 1776 } 1777 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1778 bp->bio_error = error; 1779 if (error != 0) { 1780 bp->bio_resid = bp->bio_bcount; 1781 bp->bio_flags |= BIO_ERROR; 1782 } else { 1783 if (state == ADA_CCB_TRIM) 1784 bp->bio_resid = 0; 1785 else 1786 bp->bio_resid = ataio->resid; 1787 if (bp->bio_resid > 0) 1788 bp->bio_flags |= BIO_ERROR; 1789 } 1790 softc->outstanding_cmds--; 1791 if (softc->outstanding_cmds == 0) 1792 softc->flags |= ADA_FLAG_WAS_OTAG; 1793 xpt_release_ccb(done_ccb); 1794 if (state == ADA_CCB_TRIM) { 1795 TAILQ_HEAD(, bio) queue; 1796 struct bio *bp1; 1797 1798 TAILQ_INIT(&queue); 1799 TAILQ_CONCAT(&queue, &softc->trim_req.bps, bio_queue); 1800 /* 1801 * Normally, the xpt_release_ccb() above would make sure 1802 * that when we have more work to do, that work would 1803 * get kicked off. However, we specifically keep 1804 * trim_running set to 0 before the call above to allow 1805 * other I/O to progress when many BIO_DELETE requests 1806 * are pushed down. We set trim_running to 0 and call 1807 * daschedule again so that we don't stall if there are 1808 * no other I/Os pending apart from BIO_DELETEs. 1809 */ 1810 softc->trim_running = 0; 1811 adaschedule(periph); 1812 cam_periph_unlock(periph); 1813 while ((bp1 = TAILQ_FIRST(&queue)) != NULL) { 1814 TAILQ_REMOVE(&queue, bp1, bio_queue); 1815 bp1->bio_error = error; 1816 if (error != 0) { 1817 bp1->bio_flags |= BIO_ERROR; 1818 bp1->bio_resid = bp1->bio_bcount; 1819 } else 1820 bp1->bio_resid = 0; 1821 biodone(bp1); 1822 } 1823 } else { 1824 cam_periph_unlock(periph); 1825 biodone(bp); 1826 } 1827 return; 1828 } 1829 case ADA_CCB_RAHEAD: 1830 { 1831 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1832 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1833out: 1834 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1835 cam_release_devq(path, 0, 0, 0, FALSE); 1836 return; 1837 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1838 cam_release_devq(path, 1839 /*relsim_flags*/0, 1840 /*reduction*/0, 1841 /*timeout*/0, 1842 /*getcount_only*/0); 1843 } 1844 } 1845 1846 /* 1847 * Since our peripheral may be invalidated by an error 1848 * above or an external event, we must release our CCB 1849 * before releasing the reference on the peripheral. 1850 * The peripheral will only go away once the last reference 1851 * is removed, and we need it around for the CCB release 1852 * operation. 1853 */ 1854 cgd = (struct ccb_getdev *)done_ccb; 1855 xpt_setup_ccb(&cgd->ccb_h, path, CAM_PRIORITY_NORMAL); 1856 cgd->ccb_h.func_code = XPT_GDEV_TYPE; 1857 xpt_action((union ccb *)cgd); 1858 if (ADA_WC >= 0 && 1859 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1860 softc->state = ADA_STATE_WCACHE; 1861 xpt_release_ccb(done_ccb); 1862 xpt_schedule(periph, CAM_PRIORITY_DEV); 1863 goto out; 1864 } 1865 softc->state = ADA_STATE_NORMAL; 1866 xpt_release_ccb(done_ccb); 1867 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1868 cam_release_devq(path, 0, 0, 0, FALSE); 1869 adaschedule(periph); 1870 cam_periph_release_locked(periph); 1871 return; 1872 } 1873 case ADA_CCB_WCACHE: 1874 { 1875 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1876 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1877 goto out; 1878 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1879 cam_release_devq(path, 1880 /*relsim_flags*/0, 1881 /*reduction*/0, 1882 /*timeout*/0, 1883 /*getcount_only*/0); 1884 } 1885 } 1886 1887 softc->state = ADA_STATE_NORMAL; 1888 /* 1889 * Since our peripheral may be invalidated by an error 1890 * above or an external event, we must release our CCB 1891 * before releasing the reference on the peripheral. 1892 * The peripheral will only go away once the last reference 1893 * is removed, and we need it around for the CCB release 1894 * operation. 1895 */ 1896 xpt_release_ccb(done_ccb); 1897 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1898 cam_release_devq(path, 0, 0, 0, FALSE); 1899 adaschedule(periph); 1900 cam_periph_release_locked(periph); 1901 return; 1902 } 1903 case ADA_CCB_DUMP: 1904 /* No-op. We're polling */ 1905 return; 1906 default: 1907 break; 1908 } 1909 xpt_release_ccb(done_ccb); 1910} 1911 1912static int 1913adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1914{ 1915 1916 return(cam_periph_error(ccb, cam_flags, sense_flags, NULL)); 1917} 1918 1919static void 1920adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd) 1921{ 1922 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1923 struct disk_params *dp = &softc->params; 1924 u_int64_t lbasize48; 1925 u_int32_t lbasize; 1926 1927 dp->secsize = ata_logical_sector_size(&cgd->ident_data); 1928 if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) && 1929 cgd->ident_data.current_heads && cgd->ident_data.current_sectors) { 1930 dp->heads = cgd->ident_data.current_heads; 1931 dp->secs_per_track = cgd->ident_data.current_sectors; 1932 dp->cylinders = cgd->ident_data.cylinders; 1933 dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 | 1934 ((u_int32_t)cgd->ident_data.current_size_2 << 16); 1935 } else { 1936 dp->heads = cgd->ident_data.heads; 1937 dp->secs_per_track = cgd->ident_data.sectors; 1938 dp->cylinders = cgd->ident_data.cylinders; 1939 dp->sectors = cgd->ident_data.cylinders * dp->heads * dp->secs_per_track; 1940 } 1941 lbasize = (u_int32_t)cgd->ident_data.lba_size_1 | 1942 ((u_int32_t)cgd->ident_data.lba_size_2 << 16); 1943 1944 /* use the 28bit LBA size if valid or bigger than the CHS mapping */ 1945 if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize) 1946 dp->sectors = lbasize; 1947 1948 /* use the 48bit LBA size if valid */ 1949 lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) | 1950 ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) | 1951 ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) | 1952 ((u_int64_t)cgd->ident_data.lba_size48_4 << 48); 1953 if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) && 1954 lbasize48 > ATA_MAX_28BIT_LBA) 1955 dp->sectors = lbasize48; 1956} 1957 1958static void 1959adasendorderedtag(void *arg) 1960{ 1961 struct ada_softc *softc = arg; 1962 1963 if (ada_send_ordered) { 1964 if (softc->outstanding_cmds > 0) { 1965 if ((softc->flags & ADA_FLAG_WAS_OTAG) == 0) 1966 softc->flags |= ADA_FLAG_NEED_OTAG; 1967 softc->flags &= ~ADA_FLAG_WAS_OTAG; 1968 } 1969 } 1970 /* Queue us up again */ 1971 callout_reset(&softc->sendordered_c, 1972 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1973 adasendorderedtag, softc); 1974} 1975 1976/* 1977 * Step through all ADA peripheral drivers, and if the device is still open, 1978 * sync the disk cache to physical media. 1979 */ 1980static void 1981adaflush(void) 1982{ 1983 struct cam_periph *periph; 1984 struct ada_softc *softc; 1985 union ccb *ccb; 1986 int error; 1987 1988 CAM_PERIPH_FOREACH(periph, &adadriver) { 1989 softc = (struct ada_softc *)periph->softc; 1990 if (SCHEDULER_STOPPED()) { 1991 /* If we paniced with the lock held, do not recurse. */ 1992 if (!cam_periph_owned(periph) && 1993 (softc->flags & ADA_FLAG_OPEN)) { 1994 adadump(softc->disk, NULL, 0, 0, 0); 1995 } 1996 continue; 1997 } 1998 cam_periph_lock(periph); 1999 /* 2000 * We only sync the cache if the drive is still open, and 2001 * if the drive is capable of it.. 2002 */ 2003 if (((softc->flags & ADA_FLAG_OPEN) == 0) || 2004 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) { 2005 cam_periph_unlock(periph); 2006 continue; 2007 } 2008 2009 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2010 cam_fill_ataio(&ccb->ataio, 2011 0, 2012 adadone, 2013 CAM_DIR_NONE, 2014 0, 2015 NULL, 2016 0, 2017 ada_default_timeout*1000); 2018 if (softc->flags & ADA_FLAG_CAN_48BIT) 2019 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 2020 else 2021 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 2022 2023 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 2024 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 2025 softc->disk->d_devstat); 2026 if (error != 0) 2027 xpt_print(periph->path, "Synchronize cache failed\n"); 2028 xpt_release_ccb(ccb); 2029 cam_periph_unlock(periph); 2030 } 2031} 2032 2033static void 2034adaspindown(uint8_t cmd, int flags) 2035{ 2036 struct cam_periph *periph; 2037 struct ada_softc *softc; 2038 union ccb *ccb; 2039 int error; 2040 2041 CAM_PERIPH_FOREACH(periph, &adadriver) { 2042 /* If we paniced with lock held - not recurse here. */ 2043 if (cam_periph_owned(periph)) 2044 continue; 2045 cam_periph_lock(periph); 2046 softc = (struct ada_softc *)periph->softc; 2047 /* 2048 * We only spin-down the drive if it is capable of it.. 2049 */ 2050 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2051 cam_periph_unlock(periph); 2052 continue; 2053 } 2054 2055 if (bootverbose) 2056 xpt_print(periph->path, "spin-down\n"); 2057 2058 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2059 cam_fill_ataio(&ccb->ataio, 2060 0, 2061 adadone, 2062 CAM_DIR_NONE | flags, 2063 0, 2064 NULL, 2065 0, 2066 ada_default_timeout*1000); 2067 ata_28bit_cmd(&ccb->ataio, cmd, 0, 0, 0); 2068 2069 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 2070 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 2071 softc->disk->d_devstat); 2072 if (error != 0) 2073 xpt_print(periph->path, "Spin-down disk failed\n"); 2074 xpt_release_ccb(ccb); 2075 cam_periph_unlock(periph); 2076 } 2077} 2078 2079static void 2080adashutdown(void *arg, int howto) 2081{ 2082 2083 adaflush(); 2084 if (ada_spindown_shutdown != 0 && 2085 (howto & (RB_HALT | RB_POWEROFF)) != 0) 2086 adaspindown(ATA_STANDBY_IMMEDIATE, 0); 2087} 2088 2089static void 2090adasuspend(void *arg) 2091{ 2092 2093 adaflush(); 2094 if (ada_spindown_suspend != 0) 2095 adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE); 2096} 2097 2098static void 2099adaresume(void *arg) 2100{ 2101 struct cam_periph *periph; 2102 struct ada_softc *softc; 2103 2104 if (ada_spindown_suspend == 0) 2105 return; 2106 2107 CAM_PERIPH_FOREACH(periph, &adadriver) { 2108 cam_periph_lock(periph); 2109 softc = (struct ada_softc *)periph->softc; 2110 /* 2111 * We only spin-down the drive if it is capable of it.. 2112 */ 2113 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2114 cam_periph_unlock(periph); 2115 continue; 2116 } 2117 2118 if (bootverbose) 2119 xpt_print(periph->path, "resume\n"); 2120 2121 /* 2122 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on 2123 * sleep request. 2124 */ 2125 cam_release_devq(periph->path, 2126 /*relsim_flags*/0, 2127 /*openings*/0, 2128 /*timeout*/0, 2129 /*getcount_only*/0); 2130 2131 cam_periph_unlock(periph); 2132 } 2133} 2134 2135#endif /* _KERNEL */ 2136