ata_da.c revision 274260
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 274260 2014-11-08 00:47:16Z gnn $"); 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 KASSERT((softc->flags & ADA_FLAG_CAN_TRIM) || 764 ((softc->flags & ADA_FLAG_CAN_CFA) && 765 !(softc->flags & ADA_FLAG_CAN_48BIT)), 766 ("BIO_DELETE but no supported TRIM method.")); 767 bioq_disksort(&softc->trim_queue, bp); 768 } else { 769 if (ADA_SIO) 770 bioq_disksort(&softc->bio_queue, bp); 771 else 772 bioq_insert_tail(&softc->bio_queue, bp); 773 } 774 775 /* 776 * Schedule ourselves for performing the work. 777 */ 778 adaschedule(periph); 779 cam_periph_unlock(periph); 780 781 return; 782} 783 784static int 785adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 786{ 787 struct cam_periph *periph; 788 struct ada_softc *softc; 789 u_int secsize; 790 union ccb ccb; 791 struct disk *dp; 792 uint64_t lba; 793 uint16_t count; 794 int error = 0; 795 796 dp = arg; 797 periph = dp->d_drv1; 798 softc = (struct ada_softc *)periph->softc; 799 cam_periph_lock(periph); 800 secsize = softc->params.secsize; 801 lba = offset / secsize; 802 count = length / secsize; 803 804 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 805 cam_periph_unlock(periph); 806 return (ENXIO); 807 } 808 809 if (length > 0) { 810 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 811 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 812 cam_fill_ataio(&ccb.ataio, 813 0, 814 adadone, 815 CAM_DIR_OUT, 816 0, 817 (u_int8_t *) virtual, 818 length, 819 ada_default_timeout*1000); 820 if ((softc->flags & ADA_FLAG_CAN_48BIT) && 821 (lba + count >= ATA_MAX_28BIT_LBA || 822 count >= 256)) { 823 ata_48bit_cmd(&ccb.ataio, ATA_WRITE_DMA48, 824 0, lba, count); 825 } else { 826 ata_28bit_cmd(&ccb.ataio, ATA_WRITE_DMA, 827 0, lba, count); 828 } 829 xpt_polled_action(&ccb); 830 831 error = cam_periph_error(&ccb, 832 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 833 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 834 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 835 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 836 if (error != 0) 837 printf("Aborting dump due to I/O error.\n"); 838 839 cam_periph_unlock(periph); 840 return (error); 841 } 842 843 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { 844 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 845 846 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 847 cam_fill_ataio(&ccb.ataio, 848 0, 849 adadone, 850 CAM_DIR_NONE, 851 0, 852 NULL, 853 0, 854 ada_default_timeout*1000); 855 856 if (softc->flags & ADA_FLAG_CAN_48BIT) 857 ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); 858 else 859 ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); 860 xpt_polled_action(&ccb); 861 862 error = cam_periph_error(&ccb, 863 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 864 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 865 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 866 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 867 if (error != 0) 868 xpt_print(periph->path, "Synchronize cache failed\n"); 869 } 870 cam_periph_unlock(periph); 871 return (error); 872} 873 874static void 875adainit(void) 876{ 877 cam_status status; 878 879 /* 880 * Install a global async callback. This callback will 881 * receive async callbacks like "new device found". 882 */ 883 status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL); 884 885 if (status != CAM_REQ_CMP) { 886 printf("ada: Failed to attach master async callback " 887 "due to status 0x%x!\n", status); 888 } else if (ada_send_ordered) { 889 890 /* Register our event handlers */ 891 if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend, 892 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 893 printf("adainit: power event registration failed!\n"); 894 if ((EVENTHANDLER_REGISTER(power_resume, adaresume, 895 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 896 printf("adainit: power event registration failed!\n"); 897 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown, 898 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 899 printf("adainit: shutdown event registration failed!\n"); 900 } 901} 902 903/* 904 * Callback from GEOM, called when it has finished cleaning up its 905 * resources. 906 */ 907static void 908adadiskgonecb(struct disk *dp) 909{ 910 struct cam_periph *periph; 911 912 periph = (struct cam_periph *)dp->d_drv1; 913 914 cam_periph_release(periph); 915} 916 917static void 918adaoninvalidate(struct cam_periph *periph) 919{ 920 struct ada_softc *softc; 921 922 softc = (struct ada_softc *)periph->softc; 923 924 /* 925 * De-register any async callbacks. 926 */ 927 xpt_register_async(0, adaasync, periph, periph->path); 928 929 /* 930 * Return all queued I/O with ENXIO. 931 * XXX Handle any transactions queued to the card 932 * with XPT_ABORT_CCB. 933 */ 934 bioq_flush(&softc->bio_queue, NULL, ENXIO); 935 bioq_flush(&softc->trim_queue, NULL, ENXIO); 936 937 disk_gone(softc->disk); 938} 939 940static void 941adacleanup(struct cam_periph *periph) 942{ 943 struct ada_softc *softc; 944 945 softc = (struct ada_softc *)periph->softc; 946 947 cam_periph_unlock(periph); 948 949 /* 950 * If we can't free the sysctl tree, oh well... 951 */ 952 if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0 953 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 954 xpt_print(periph->path, "can't remove sysctl context\n"); 955 } 956 957 disk_destroy(softc->disk); 958 callout_drain(&softc->sendordered_c); 959 free(softc, M_DEVBUF); 960 cam_periph_lock(periph); 961} 962 963static void 964adaasync(void *callback_arg, u_int32_t code, 965 struct cam_path *path, void *arg) 966{ 967 struct ccb_getdev cgd; 968 struct cam_periph *periph; 969 struct ada_softc *softc; 970 971 periph = (struct cam_periph *)callback_arg; 972 switch (code) { 973 case AC_FOUND_DEVICE: 974 { 975 struct ccb_getdev *cgd; 976 cam_status status; 977 978 cgd = (struct ccb_getdev *)arg; 979 if (cgd == NULL) 980 break; 981 982 if (cgd->protocol != PROTO_ATA) 983 break; 984 985 /* 986 * Allocate a peripheral instance for 987 * this device and start the probe 988 * process. 989 */ 990 status = cam_periph_alloc(adaregister, adaoninvalidate, 991 adacleanup, adastart, 992 "ada", CAM_PERIPH_BIO, 993 path, adaasync, 994 AC_FOUND_DEVICE, cgd); 995 996 if (status != CAM_REQ_CMP 997 && status != CAM_REQ_INPROG) 998 printf("adaasync: Unable to attach to new device " 999 "due to status 0x%x\n", status); 1000 break; 1001 } 1002 case AC_GETDEV_CHANGED: 1003 { 1004 softc = (struct ada_softc *)periph->softc; 1005 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1006 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1007 xpt_action((union ccb *)&cgd); 1008 1009 if ((cgd.ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1010 (cgd.inq_flags & SID_DMA)) 1011 softc->flags |= ADA_FLAG_CAN_DMA; 1012 else 1013 softc->flags &= ~ADA_FLAG_CAN_DMA; 1014 if (cgd.ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1015 softc->flags |= ADA_FLAG_CAN_48BIT; 1016 if (cgd.inq_flags & SID_DMA48) 1017 softc->flags |= ADA_FLAG_CAN_DMA48; 1018 else 1019 softc->flags &= ~ADA_FLAG_CAN_DMA48; 1020 } else 1021 softc->flags &= ~(ADA_FLAG_CAN_48BIT | 1022 ADA_FLAG_CAN_DMA48); 1023 if ((cgd.ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1024 (cgd.inq_flags & SID_DMA) && (cgd.inq_flags & SID_CmdQue)) 1025 softc->flags |= ADA_FLAG_CAN_NCQ; 1026 else 1027 softc->flags &= ~ADA_FLAG_CAN_NCQ; 1028 if ((cgd.ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1029 (cgd.inq_flags & SID_DMA)) 1030 softc->flags |= ADA_FLAG_CAN_TRIM; 1031 else 1032 softc->flags &= ~ADA_FLAG_CAN_TRIM; 1033 1034 cam_periph_async(periph, code, path, arg); 1035 break; 1036 } 1037 case AC_ADVINFO_CHANGED: 1038 { 1039 uintptr_t buftype; 1040 1041 buftype = (uintptr_t)arg; 1042 if (buftype == CDAI_TYPE_PHYS_PATH) { 1043 struct ada_softc *softc; 1044 1045 softc = periph->softc; 1046 disk_attr_changed(softc->disk, "GEOM::physpath", 1047 M_NOWAIT); 1048 } 1049 break; 1050 } 1051 case AC_SENT_BDR: 1052 case AC_BUS_RESET: 1053 { 1054 softc = (struct ada_softc *)periph->softc; 1055 cam_periph_async(periph, code, path, arg); 1056 if (softc->state != ADA_STATE_NORMAL) 1057 break; 1058 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1059 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1060 xpt_action((union ccb *)&cgd); 1061 if (ADA_RA >= 0 && 1062 cgd.ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) 1063 softc->state = ADA_STATE_RAHEAD; 1064 else if (ADA_WC >= 0 && 1065 cgd.ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) 1066 softc->state = ADA_STATE_WCACHE; 1067 else 1068 break; 1069 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1070 softc->state = ADA_STATE_NORMAL; 1071 else 1072 xpt_schedule(periph, CAM_PRIORITY_DEV); 1073 } 1074 default: 1075 cam_periph_async(periph, code, path, arg); 1076 break; 1077 } 1078} 1079 1080static void 1081adasysctlinit(void *context, int pending) 1082{ 1083 struct cam_periph *periph; 1084 struct ada_softc *softc; 1085 char tmpstr[80], tmpstr2[80]; 1086 1087 periph = (struct cam_periph *)context; 1088 1089 /* periph was held for us when this task was enqueued */ 1090 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1091 cam_periph_release(periph); 1092 return; 1093 } 1094 1095 softc = (struct ada_softc *)periph->softc; 1096 snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d", periph->unit_number); 1097 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1098 1099 sysctl_ctx_init(&softc->sysctl_ctx); 1100 softc->flags |= ADA_FLAG_SCTX_INIT; 1101 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1102 SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2, 1103 CTLFLAG_RD, 0, tmpstr); 1104 if (softc->sysctl_tree == NULL) { 1105 printf("adasysctlinit: unable to allocate sysctl tree\n"); 1106 cam_periph_release(periph); 1107 return; 1108 } 1109 1110 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1111 OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE, 1112 &softc->read_ahead, 0, "Enable disk read ahead."); 1113 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1114 OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE, 1115 &softc->write_cache, 0, "Enable disk write cache."); 1116 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1117 OID_AUTO, "sort_io_queue", CTLFLAG_RW | CTLFLAG_MPSAFE, 1118 &softc->sort_io_queue, 0, 1119 "Sort IO queue to try and optimise disk access patterns"); 1120#ifdef ADA_TEST_FAILURE 1121 /* 1122 * Add a 'door bell' sysctl which allows one to set it from userland 1123 * and cause something bad to happen. For the moment, we only allow 1124 * whacking the next read or write. 1125 */ 1126 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1127 OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1128 &softc->force_read_error, 0, 1129 "Force a read error for the next N reads."); 1130 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1131 OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1132 &softc->force_write_error, 0, 1133 "Force a write error for the next N writes."); 1134 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1135 OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1136 &softc->periodic_read_error, 0, 1137 "Force a read error every N reads (don't set too low)."); 1138#endif 1139 cam_periph_release(periph); 1140} 1141 1142static int 1143adagetattr(struct bio *bp) 1144{ 1145 int ret; 1146 struct cam_periph *periph; 1147 1148 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1149 cam_periph_lock(periph); 1150 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1151 periph->path); 1152 cam_periph_unlock(periph); 1153 if (ret == 0) 1154 bp->bio_completed = bp->bio_length; 1155 return ret; 1156} 1157 1158static cam_status 1159adaregister(struct cam_periph *periph, void *arg) 1160{ 1161 struct ada_softc *softc; 1162 struct ccb_pathinq cpi; 1163 struct ccb_getdev *cgd; 1164 char announce_buf[80], buf1[32]; 1165 struct disk_params *dp; 1166 caddr_t match; 1167 u_int maxio; 1168 int legacy_id, quirks; 1169 1170 cgd = (struct ccb_getdev *)arg; 1171 if (cgd == NULL) { 1172 printf("adaregister: no getdev CCB, can't register device\n"); 1173 return(CAM_REQ_CMP_ERR); 1174 } 1175 1176 softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF, 1177 M_NOWAIT|M_ZERO); 1178 1179 if (softc == NULL) { 1180 printf("adaregister: Unable to probe new device. " 1181 "Unable to allocate softc\n"); 1182 return(CAM_REQ_CMP_ERR); 1183 } 1184 1185 bioq_init(&softc->bio_queue); 1186 bioq_init(&softc->trim_queue); 1187 1188 if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1189 (cgd->inq_flags & SID_DMA)) 1190 softc->flags |= ADA_FLAG_CAN_DMA; 1191 if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1192 softc->flags |= ADA_FLAG_CAN_48BIT; 1193 if (cgd->inq_flags & SID_DMA48) 1194 softc->flags |= ADA_FLAG_CAN_DMA48; 1195 } 1196 if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE) 1197 softc->flags |= ADA_FLAG_CAN_FLUSHCACHE; 1198 if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT) 1199 softc->flags |= ADA_FLAG_CAN_POWERMGT; 1200 if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1201 (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue)) 1202 softc->flags |= ADA_FLAG_CAN_NCQ; 1203 if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1204 (cgd->inq_flags & SID_DMA)) { 1205 softc->flags |= ADA_FLAG_CAN_TRIM; 1206 softc->trim_max_ranges = TRIM_MAX_RANGES; 1207 if (cgd->ident_data.max_dsm_blocks != 0) { 1208 softc->trim_max_ranges = 1209 min(cgd->ident_data.max_dsm_blocks * 1210 ATA_DSM_BLK_RANGES, softc->trim_max_ranges); 1211 } 1212 } 1213 if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA) 1214 softc->flags |= ADA_FLAG_CAN_CFA; 1215 1216 periph->softc = softc; 1217 1218 /* 1219 * See if this device has any quirks. 1220 */ 1221 match = cam_quirkmatch((caddr_t)&cgd->ident_data, 1222 (caddr_t)ada_quirk_table, 1223 sizeof(ada_quirk_table)/sizeof(*ada_quirk_table), 1224 sizeof(*ada_quirk_table), ata_identify_match); 1225 if (match != NULL) 1226 softc->quirks = ((struct ada_quirk_entry *)match)->quirks; 1227 else 1228 softc->quirks = ADA_Q_NONE; 1229 1230 bzero(&cpi, sizeof(cpi)); 1231 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 1232 cpi.ccb_h.func_code = XPT_PATH_INQ; 1233 xpt_action((union ccb *)&cpi); 1234 1235 TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph); 1236 1237 /* 1238 * Register this media as a disk 1239 */ 1240 (void)cam_periph_hold(periph, PRIBIO); 1241 cam_periph_unlock(periph); 1242 snprintf(announce_buf, sizeof(announce_buf), 1243 "kern.cam.ada.%d.quirks", periph->unit_number); 1244 quirks = softc->quirks; 1245 TUNABLE_INT_FETCH(announce_buf, &quirks); 1246 softc->quirks = quirks; 1247 softc->read_ahead = -1; 1248 snprintf(announce_buf, sizeof(announce_buf), 1249 "kern.cam.ada.%d.read_ahead", periph->unit_number); 1250 TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead); 1251 softc->write_cache = -1; 1252 snprintf(announce_buf, sizeof(announce_buf), 1253 "kern.cam.ada.%d.write_cache", periph->unit_number); 1254 TUNABLE_INT_FETCH(announce_buf, &softc->write_cache); 1255 /* Disable queue sorting for non-rotational media by default. */ 1256 if (cgd->ident_data.media_rotation_rate == ATA_RATE_NON_ROTATING) 1257 softc->sort_io_queue = 0; 1258 else 1259 softc->sort_io_queue = -1; 1260 adagetparams(periph, cgd); 1261 softc->disk = disk_alloc(); 1262 softc->disk->d_rotation_rate = cgd->ident_data.media_rotation_rate; 1263 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1264 periph->unit_number, softc->params.secsize, 1265 DEVSTAT_ALL_SUPPORTED, 1266 DEVSTAT_TYPE_DIRECT | 1267 XPORT_DEVSTAT_TYPE(cpi.transport), 1268 DEVSTAT_PRIORITY_DISK); 1269 softc->disk->d_open = adaopen; 1270 softc->disk->d_close = adaclose; 1271 softc->disk->d_strategy = adastrategy; 1272 softc->disk->d_getattr = adagetattr; 1273 softc->disk->d_dump = adadump; 1274 softc->disk->d_gone = adadiskgonecb; 1275 softc->disk->d_name = "ada"; 1276 softc->disk->d_drv1 = periph; 1277 maxio = cpi.maxio; /* Honor max I/O size of SIM */ 1278 if (maxio == 0) 1279 maxio = DFLTPHYS; /* traditional default */ 1280 else if (maxio > MAXPHYS) 1281 maxio = MAXPHYS; /* for safety */ 1282 if (softc->flags & ADA_FLAG_CAN_48BIT) 1283 maxio = min(maxio, 65536 * softc->params.secsize); 1284 else /* 28bit ATA command limit */ 1285 maxio = min(maxio, 256 * softc->params.secsize); 1286 softc->disk->d_maxsize = maxio; 1287 softc->disk->d_unit = periph->unit_number; 1288 softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION; 1289 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) 1290 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1291 if (softc->flags & ADA_FLAG_CAN_TRIM) { 1292 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1293 softc->disk->d_delmaxsize = softc->params.secsize * 1294 ATA_DSM_RANGE_MAX * 1295 softc->trim_max_ranges; 1296 } else if ((softc->flags & ADA_FLAG_CAN_CFA) && 1297 !(softc->flags & ADA_FLAG_CAN_48BIT)) { 1298 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1299 softc->disk->d_delmaxsize = 256 * softc->params.secsize; 1300 } else 1301 softc->disk->d_delmaxsize = maxio; 1302 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) 1303 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 1304 strlcpy(softc->disk->d_descr, cgd->ident_data.model, 1305 MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model))); 1306 strlcpy(softc->disk->d_ident, cgd->ident_data.serial, 1307 MIN(sizeof(softc->disk->d_ident), sizeof(cgd->ident_data.serial))); 1308 softc->disk->d_hba_vendor = cpi.hba_vendor; 1309 softc->disk->d_hba_device = cpi.hba_device; 1310 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1311 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1312 1313 softc->disk->d_sectorsize = softc->params.secsize; 1314 softc->disk->d_mediasize = (off_t)softc->params.sectors * 1315 softc->params.secsize; 1316 if (ata_physical_sector_size(&cgd->ident_data) != 1317 softc->params.secsize) { 1318 softc->disk->d_stripesize = 1319 ata_physical_sector_size(&cgd->ident_data); 1320 softc->disk->d_stripeoffset = (softc->disk->d_stripesize - 1321 ata_logical_sector_offset(&cgd->ident_data)) % 1322 softc->disk->d_stripesize; 1323 } else if (softc->quirks & ADA_Q_4K) { 1324 softc->disk->d_stripesize = 4096; 1325 softc->disk->d_stripeoffset = 0; 1326 } 1327 softc->disk->d_fwsectors = softc->params.secs_per_track; 1328 softc->disk->d_fwheads = softc->params.heads; 1329 ata_disk_firmware_geom_adjust(softc->disk); 1330 1331 if (ada_legacy_aliases) { 1332#ifdef ATA_STATIC_ID 1333 legacy_id = xpt_path_legacy_ata_id(periph->path); 1334#else 1335 legacy_id = softc->disk->d_unit; 1336#endif 1337 if (legacy_id >= 0) { 1338 snprintf(announce_buf, sizeof(announce_buf), 1339 "kern.devalias.%s%d", 1340 softc->disk->d_name, softc->disk->d_unit); 1341 snprintf(buf1, sizeof(buf1), 1342 "ad%d", legacy_id); 1343 setenv(announce_buf, buf1); 1344 } 1345 } else 1346 legacy_id = -1; 1347 /* 1348 * Acquire a reference to the periph before we register with GEOM. 1349 * We'll release this reference once GEOM calls us back (via 1350 * adadiskgonecb()) telling us that our provider has been freed. 1351 */ 1352 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1353 xpt_print(periph->path, "%s: lost periph during " 1354 "registration!\n", __func__); 1355 cam_periph_lock(periph); 1356 return (CAM_REQ_CMP_ERR); 1357 } 1358 disk_create(softc->disk, DISK_VERSION); 1359 cam_periph_lock(periph); 1360 cam_periph_unhold(periph); 1361 1362 dp = &softc->params; 1363 snprintf(announce_buf, sizeof(announce_buf), 1364 "%juMB (%ju %u byte sectors: %dH %dS/T %dC)", 1365 (uintmax_t)(((uintmax_t)dp->secsize * 1366 dp->sectors) / (1024*1024)), 1367 (uintmax_t)dp->sectors, 1368 dp->secsize, dp->heads, 1369 dp->secs_per_track, dp->cylinders); 1370 xpt_announce_periph(periph, announce_buf); 1371 xpt_announce_quirks(periph, softc->quirks, ADA_Q_BIT_STRING); 1372 if (legacy_id >= 0) 1373 printf("%s%d: Previously was known as ad%d\n", 1374 periph->periph_name, periph->unit_number, legacy_id); 1375 1376 /* 1377 * Create our sysctl variables, now that we know 1378 * we have successfully attached. 1379 */ 1380 if (cam_periph_acquire(periph) == CAM_REQ_CMP) 1381 taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task); 1382 1383 /* 1384 * Add async callbacks for bus reset and 1385 * bus device reset calls. I don't bother 1386 * checking if this fails as, in most cases, 1387 * the system will function just fine without 1388 * them and the only alternative would be to 1389 * not attach the device on failure. 1390 */ 1391 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 1392 AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED, 1393 adaasync, periph, periph->path); 1394 1395 /* 1396 * Schedule a periodic event to occasionally send an 1397 * ordered tag to a device. 1398 */ 1399 callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0); 1400 callout_reset(&softc->sendordered_c, 1401 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1402 adasendorderedtag, softc); 1403 1404 if (ADA_RA >= 0 && 1405 cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) { 1406 softc->state = ADA_STATE_RAHEAD; 1407 } else if (ADA_WC >= 0 && 1408 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1409 softc->state = ADA_STATE_WCACHE; 1410 } else { 1411 softc->state = ADA_STATE_NORMAL; 1412 return(CAM_REQ_CMP); 1413 } 1414 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1415 softc->state = ADA_STATE_NORMAL; 1416 else 1417 xpt_schedule(periph, CAM_PRIORITY_DEV); 1418 return(CAM_REQ_CMP); 1419} 1420 1421static void 1422ada_dsmtrim(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio) 1423{ 1424 struct trim_request *req = &softc->trim_req; 1425 uint64_t lastlba = (uint64_t)-1; 1426 int c, lastcount = 0, off, ranges = 0; 1427 1428 bzero(req, sizeof(*req)); 1429 TAILQ_INIT(&req->bps); 1430 do { 1431 uint64_t lba = bp->bio_pblkno; 1432 int count = bp->bio_bcount / softc->params.secsize; 1433 1434 bioq_remove(&softc->trim_queue, bp); 1435 1436 /* Try to extend the previous range. */ 1437 if (lba == lastlba) { 1438 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 1439 lastcount += c; 1440 off = (ranges - 1) * ATA_DSM_RANGE_SIZE; 1441 req->data[off + 6] = lastcount & 0xff; 1442 req->data[off + 7] = 1443 (lastcount >> 8) & 0xff; 1444 count -= c; 1445 lba += c; 1446 } 1447 1448 while (count > 0) { 1449 c = min(count, ATA_DSM_RANGE_MAX); 1450 off = ranges * ATA_DSM_RANGE_SIZE; 1451 req->data[off + 0] = lba & 0xff; 1452 req->data[off + 1] = (lba >> 8) & 0xff; 1453 req->data[off + 2] = (lba >> 16) & 0xff; 1454 req->data[off + 3] = (lba >> 24) & 0xff; 1455 req->data[off + 4] = (lba >> 32) & 0xff; 1456 req->data[off + 5] = (lba >> 40) & 0xff; 1457 req->data[off + 6] = c & 0xff; 1458 req->data[off + 7] = (c >> 8) & 0xff; 1459 lba += c; 1460 count -= c; 1461 lastcount = c; 1462 ranges++; 1463 /* 1464 * Its the caller's responsibility to ensure the 1465 * request will fit so we don't need to check for 1466 * overrun here 1467 */ 1468 } 1469 lastlba = lba; 1470 TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue); 1471 bp = bioq_first(&softc->trim_queue); 1472 if (bp == NULL || 1473 bp->bio_bcount / softc->params.secsize > 1474 (softc->trim_max_ranges - ranges) * 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} 1490 1491static void 1492ada_cfaerase(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio) 1493{ 1494 struct trim_request *req = &softc->trim_req; 1495 uint64_t lba = bp->bio_pblkno; 1496 uint16_t count = bp->bio_bcount / softc->params.secsize; 1497 1498 bzero(req, sizeof(*req)); 1499 TAILQ_INIT(&req->bps); 1500 bioq_remove(&softc->trim_queue, bp); 1501 TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue); 1502 1503 cam_fill_ataio(ataio, 1504 ada_retry_count, 1505 adadone, 1506 CAM_DIR_NONE, 1507 0, 1508 NULL, 1509 0, 1510 ada_default_timeout*1000); 1511 1512 if (count >= 256) 1513 count = 0; 1514 ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count); 1515} 1516 1517static void 1518adastart(struct cam_periph *periph, union ccb *start_ccb) 1519{ 1520 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1521 struct ccb_ataio *ataio = &start_ccb->ataio; 1522 1523 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n")); 1524 1525 switch (softc->state) { 1526 case ADA_STATE_NORMAL: 1527 { 1528 struct bio *bp; 1529 u_int8_t tag_code; 1530 1531 /* Run TRIM if not running yet. */ 1532 if (!softc->trim_running && 1533 (bp = bioq_first(&softc->trim_queue)) != 0) { 1534 if (softc->flags & ADA_FLAG_CAN_TRIM) { 1535 ada_dsmtrim(softc, bp, ataio); 1536 } else if ((softc->flags & ADA_FLAG_CAN_CFA) && 1537 !(softc->flags & ADA_FLAG_CAN_48BIT)) { 1538 ada_cfaerase(softc, bp, ataio); 1539 } else { 1540 panic("adastart: BIO_DELETE without method, not possible."); 1541 } 1542 softc->trim_running = 1; 1543 start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM; 1544 start_ccb->ccb_h.flags |= CAM_UNLOCKED; 1545 goto out; 1546 } 1547 /* Run regular command. */ 1548 bp = bioq_first(&softc->bio_queue); 1549 if (bp == NULL) { 1550 xpt_release_ccb(start_ccb); 1551 break; 1552 } 1553 bioq_remove(&softc->bio_queue, bp); 1554 1555 if ((bp->bio_flags & BIO_ORDERED) != 0 1556 || (softc->flags & ADA_FLAG_NEED_OTAG) != 0) { 1557 softc->flags &= ~ADA_FLAG_NEED_OTAG; 1558 softc->flags |= ADA_FLAG_WAS_OTAG; 1559 tag_code = 0; 1560 } else { 1561 tag_code = 1; 1562 } 1563 switch (bp->bio_cmd) { 1564 case BIO_WRITE: 1565 softc->flags |= ADA_FLAG_DIRTY; 1566 /* FALLTHROUGH */ 1567 case BIO_READ: 1568 { 1569 uint64_t lba = bp->bio_pblkno; 1570 uint16_t count = bp->bio_bcount / softc->params.secsize; 1571#ifdef ADA_TEST_FAILURE 1572 int fail = 0; 1573 1574 /* 1575 * Support the failure ioctls. If the command is a 1576 * read, and there are pending forced read errors, or 1577 * if a write and pending write errors, then fail this 1578 * operation with EIO. This is useful for testing 1579 * purposes. Also, support having every Nth read fail. 1580 * 1581 * This is a rather blunt tool. 1582 */ 1583 if (bp->bio_cmd == BIO_READ) { 1584 if (softc->force_read_error) { 1585 softc->force_read_error--; 1586 fail = 1; 1587 } 1588 if (softc->periodic_read_error > 0) { 1589 if (++softc->periodic_read_count >= 1590 softc->periodic_read_error) { 1591 softc->periodic_read_count = 0; 1592 fail = 1; 1593 } 1594 } 1595 } else { 1596 if (softc->force_write_error) { 1597 softc->force_write_error--; 1598 fail = 1; 1599 } 1600 } 1601 if (fail) { 1602 bp->bio_error = EIO; 1603 bp->bio_flags |= BIO_ERROR; 1604 biodone(bp); 1605 xpt_release_ccb(start_ccb); 1606 adaschedule(periph); 1607 return; 1608 } 1609#endif 1610 KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 || 1611 round_page(bp->bio_bcount + bp->bio_ma_offset) / 1612 PAGE_SIZE == bp->bio_ma_n, 1613 ("Short bio %p", bp)); 1614 cam_fill_ataio(ataio, 1615 ada_retry_count, 1616 adadone, 1617 (bp->bio_cmd == BIO_READ ? CAM_DIR_IN : 1618 CAM_DIR_OUT) | ((bp->bio_flags & BIO_UNMAPPED) 1619 != 0 ? CAM_DATA_BIO : 0), 1620 tag_code, 1621 ((bp->bio_flags & BIO_UNMAPPED) != 0) ? (void *)bp : 1622 bp->bio_data, 1623 bp->bio_bcount, 1624 ada_default_timeout*1000); 1625 1626 if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) { 1627 if (bp->bio_cmd == BIO_READ) { 1628 ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED, 1629 lba, count); 1630 } else { 1631 ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED, 1632 lba, count); 1633 } 1634 } else if ((softc->flags & ADA_FLAG_CAN_48BIT) && 1635 (lba + count >= ATA_MAX_28BIT_LBA || 1636 count > 256)) { 1637 if (softc->flags & ADA_FLAG_CAN_DMA48) { 1638 if (bp->bio_cmd == BIO_READ) { 1639 ata_48bit_cmd(ataio, ATA_READ_DMA48, 1640 0, lba, count); 1641 } else { 1642 ata_48bit_cmd(ataio, ATA_WRITE_DMA48, 1643 0, lba, count); 1644 } 1645 } else { 1646 if (bp->bio_cmd == BIO_READ) { 1647 ata_48bit_cmd(ataio, ATA_READ_MUL48, 1648 0, lba, count); 1649 } else { 1650 ata_48bit_cmd(ataio, ATA_WRITE_MUL48, 1651 0, lba, count); 1652 } 1653 } 1654 } else { 1655 if (count == 256) 1656 count = 0; 1657 if (softc->flags & ADA_FLAG_CAN_DMA) { 1658 if (bp->bio_cmd == BIO_READ) { 1659 ata_28bit_cmd(ataio, ATA_READ_DMA, 1660 0, lba, count); 1661 } else { 1662 ata_28bit_cmd(ataio, ATA_WRITE_DMA, 1663 0, lba, count); 1664 } 1665 } else { 1666 if (bp->bio_cmd == BIO_READ) { 1667 ata_28bit_cmd(ataio, ATA_READ_MUL, 1668 0, lba, count); 1669 } else { 1670 ata_28bit_cmd(ataio, ATA_WRITE_MUL, 1671 0, lba, count); 1672 } 1673 } 1674 } 1675 break; 1676 } 1677 case BIO_FLUSH: 1678 cam_fill_ataio(ataio, 1679 1, 1680 adadone, 1681 CAM_DIR_NONE, 1682 0, 1683 NULL, 1684 0, 1685 ada_default_timeout*1000); 1686 1687 if (softc->flags & ADA_FLAG_CAN_48BIT) 1688 ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1689 else 1690 ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0); 1691 break; 1692 } 1693 start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO; 1694 start_ccb->ccb_h.flags |= CAM_UNLOCKED; 1695out: 1696 start_ccb->ccb_h.ccb_bp = bp; 1697 softc->outstanding_cmds++; 1698 softc->refcount++; 1699 cam_periph_unlock(periph); 1700 xpt_action(start_ccb); 1701 cam_periph_lock(periph); 1702 softc->refcount--; 1703 1704 /* May have more work to do, so ensure we stay scheduled */ 1705 adaschedule(periph); 1706 break; 1707 } 1708 case ADA_STATE_RAHEAD: 1709 case ADA_STATE_WCACHE: 1710 { 1711 cam_fill_ataio(ataio, 1712 1, 1713 adadone, 1714 CAM_DIR_NONE, 1715 0, 1716 NULL, 1717 0, 1718 ada_default_timeout*1000); 1719 1720 if (softc->state == ADA_STATE_RAHEAD) { 1721 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ? 1722 ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0); 1723 start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD; 1724 } else { 1725 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ? 1726 ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0); 1727 start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE; 1728 } 1729 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1730 xpt_action(start_ccb); 1731 break; 1732 } 1733 } 1734} 1735 1736static void 1737adadone(struct cam_periph *periph, union ccb *done_ccb) 1738{ 1739 struct ada_softc *softc; 1740 struct ccb_ataio *ataio; 1741 struct ccb_getdev *cgd; 1742 struct cam_path *path; 1743 int state; 1744 1745 softc = (struct ada_softc *)periph->softc; 1746 ataio = &done_ccb->ataio; 1747 path = done_ccb->ccb_h.path; 1748 1749 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n")); 1750 1751 state = ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK; 1752 switch (state) { 1753 case ADA_CCB_BUFFER_IO: 1754 case ADA_CCB_TRIM: 1755 { 1756 struct bio *bp; 1757 int error; 1758 1759 cam_periph_lock(periph); 1760 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1761 error = adaerror(done_ccb, 0, 0); 1762 if (error == ERESTART) { 1763 /* A retry was scheduled, so just return. */ 1764 cam_periph_unlock(periph); 1765 return; 1766 } 1767 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1768 cam_release_devq(path, 1769 /*relsim_flags*/0, 1770 /*reduction*/0, 1771 /*timeout*/0, 1772 /*getcount_only*/0); 1773 } else { 1774 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1775 panic("REQ_CMP with QFRZN"); 1776 error = 0; 1777 } 1778 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1779 bp->bio_error = error; 1780 if (error != 0) { 1781 bp->bio_resid = bp->bio_bcount; 1782 bp->bio_flags |= BIO_ERROR; 1783 } else { 1784 if (state == ADA_CCB_TRIM) 1785 bp->bio_resid = 0; 1786 else 1787 bp->bio_resid = ataio->resid; 1788 if (bp->bio_resid > 0) 1789 bp->bio_flags |= BIO_ERROR; 1790 } 1791 softc->outstanding_cmds--; 1792 if (softc->outstanding_cmds == 0) 1793 softc->flags |= ADA_FLAG_WAS_OTAG; 1794 xpt_release_ccb(done_ccb); 1795 if (state == ADA_CCB_TRIM) { 1796 TAILQ_HEAD(, bio) queue; 1797 struct bio *bp1; 1798 1799 TAILQ_INIT(&queue); 1800 TAILQ_CONCAT(&queue, &softc->trim_req.bps, bio_queue); 1801 softc->trim_running = 0; 1802 adaschedule(periph); 1803 cam_periph_unlock(periph); 1804 while ((bp1 = TAILQ_FIRST(&queue)) != NULL) { 1805 TAILQ_REMOVE(&queue, bp1, bio_queue); 1806 bp1->bio_error = error; 1807 if (error != 0) { 1808 bp1->bio_flags |= BIO_ERROR; 1809 bp1->bio_resid = bp1->bio_bcount; 1810 } else 1811 bp1->bio_resid = 0; 1812 biodone(bp1); 1813 } 1814 } else { 1815 cam_periph_unlock(periph); 1816 biodone(bp); 1817 } 1818 return; 1819 } 1820 case ADA_CCB_RAHEAD: 1821 { 1822 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1823 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1824out: 1825 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1826 cam_release_devq(path, 0, 0, 0, FALSE); 1827 return; 1828 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1829 cam_release_devq(path, 1830 /*relsim_flags*/0, 1831 /*reduction*/0, 1832 /*timeout*/0, 1833 /*getcount_only*/0); 1834 } 1835 } 1836 1837 /* 1838 * Since our peripheral may be invalidated by an error 1839 * above or an external event, we must release our CCB 1840 * before releasing the reference on the peripheral. 1841 * The peripheral will only go away once the last reference 1842 * is removed, and we need it around for the CCB release 1843 * operation. 1844 */ 1845 cgd = (struct ccb_getdev *)done_ccb; 1846 xpt_setup_ccb(&cgd->ccb_h, path, CAM_PRIORITY_NORMAL); 1847 cgd->ccb_h.func_code = XPT_GDEV_TYPE; 1848 xpt_action((union ccb *)cgd); 1849 if (ADA_WC >= 0 && 1850 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1851 softc->state = ADA_STATE_WCACHE; 1852 xpt_release_ccb(done_ccb); 1853 xpt_schedule(periph, CAM_PRIORITY_DEV); 1854 goto out; 1855 } 1856 softc->state = ADA_STATE_NORMAL; 1857 xpt_release_ccb(done_ccb); 1858 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1859 cam_release_devq(path, 0, 0, 0, FALSE); 1860 adaschedule(periph); 1861 cam_periph_release_locked(periph); 1862 return; 1863 } 1864 case ADA_CCB_WCACHE: 1865 { 1866 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1867 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1868 goto out; 1869 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1870 cam_release_devq(path, 1871 /*relsim_flags*/0, 1872 /*reduction*/0, 1873 /*timeout*/0, 1874 /*getcount_only*/0); 1875 } 1876 } 1877 1878 softc->state = ADA_STATE_NORMAL; 1879 /* 1880 * Since our peripheral may be invalidated by an error 1881 * above or an external event, we must release our CCB 1882 * before releasing the reference on the peripheral. 1883 * The peripheral will only go away once the last reference 1884 * is removed, and we need it around for the CCB release 1885 * operation. 1886 */ 1887 xpt_release_ccb(done_ccb); 1888 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1889 cam_release_devq(path, 0, 0, 0, FALSE); 1890 adaschedule(periph); 1891 cam_periph_release_locked(periph); 1892 return; 1893 } 1894 case ADA_CCB_DUMP: 1895 /* No-op. We're polling */ 1896 return; 1897 default: 1898 break; 1899 } 1900 xpt_release_ccb(done_ccb); 1901} 1902 1903static int 1904adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1905{ 1906 1907 return(cam_periph_error(ccb, cam_flags, sense_flags, NULL)); 1908} 1909 1910static void 1911adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd) 1912{ 1913 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1914 struct disk_params *dp = &softc->params; 1915 u_int64_t lbasize48; 1916 u_int32_t lbasize; 1917 1918 dp->secsize = ata_logical_sector_size(&cgd->ident_data); 1919 if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) && 1920 cgd->ident_data.current_heads && cgd->ident_data.current_sectors) { 1921 dp->heads = cgd->ident_data.current_heads; 1922 dp->secs_per_track = cgd->ident_data.current_sectors; 1923 dp->cylinders = cgd->ident_data.cylinders; 1924 dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 | 1925 ((u_int32_t)cgd->ident_data.current_size_2 << 16); 1926 } else { 1927 dp->heads = cgd->ident_data.heads; 1928 dp->secs_per_track = cgd->ident_data.sectors; 1929 dp->cylinders = cgd->ident_data.cylinders; 1930 dp->sectors = cgd->ident_data.cylinders * dp->heads * dp->secs_per_track; 1931 } 1932 lbasize = (u_int32_t)cgd->ident_data.lba_size_1 | 1933 ((u_int32_t)cgd->ident_data.lba_size_2 << 16); 1934 1935 /* use the 28bit LBA size if valid or bigger than the CHS mapping */ 1936 if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize) 1937 dp->sectors = lbasize; 1938 1939 /* use the 48bit LBA size if valid */ 1940 lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) | 1941 ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) | 1942 ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) | 1943 ((u_int64_t)cgd->ident_data.lba_size48_4 << 48); 1944 if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) && 1945 lbasize48 > ATA_MAX_28BIT_LBA) 1946 dp->sectors = lbasize48; 1947} 1948 1949static void 1950adasendorderedtag(void *arg) 1951{ 1952 struct ada_softc *softc = arg; 1953 1954 if (ada_send_ordered) { 1955 if (softc->outstanding_cmds > 0) { 1956 if ((softc->flags & ADA_FLAG_WAS_OTAG) == 0) 1957 softc->flags |= ADA_FLAG_NEED_OTAG; 1958 softc->flags &= ~ADA_FLAG_WAS_OTAG; 1959 } 1960 } 1961 /* Queue us up again */ 1962 callout_reset(&softc->sendordered_c, 1963 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1964 adasendorderedtag, softc); 1965} 1966 1967/* 1968 * Step through all ADA peripheral drivers, and if the device is still open, 1969 * sync the disk cache to physical media. 1970 */ 1971static void 1972adaflush(void) 1973{ 1974 struct cam_periph *periph; 1975 struct ada_softc *softc; 1976 union ccb *ccb; 1977 int error; 1978 1979 CAM_PERIPH_FOREACH(periph, &adadriver) { 1980 softc = (struct ada_softc *)periph->softc; 1981 if (SCHEDULER_STOPPED()) { 1982 /* If we paniced with the lock held, do not recurse. */ 1983 if (!cam_periph_owned(periph) && 1984 (softc->flags & ADA_FLAG_OPEN)) { 1985 adadump(softc->disk, NULL, 0, 0, 0); 1986 } 1987 continue; 1988 } 1989 cam_periph_lock(periph); 1990 /* 1991 * We only sync the cache if the drive is still open, and 1992 * if the drive is capable of it.. 1993 */ 1994 if (((softc->flags & ADA_FLAG_OPEN) == 0) || 1995 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) { 1996 cam_periph_unlock(periph); 1997 continue; 1998 } 1999 2000 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2001 cam_fill_ataio(&ccb->ataio, 2002 0, 2003 adadone, 2004 CAM_DIR_NONE, 2005 0, 2006 NULL, 2007 0, 2008 ada_default_timeout*1000); 2009 if (softc->flags & ADA_FLAG_CAN_48BIT) 2010 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 2011 else 2012 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 2013 2014 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 2015 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 2016 softc->disk->d_devstat); 2017 if (error != 0) 2018 xpt_print(periph->path, "Synchronize cache failed\n"); 2019 xpt_release_ccb(ccb); 2020 cam_periph_unlock(periph); 2021 } 2022} 2023 2024static void 2025adaspindown(uint8_t cmd, int flags) 2026{ 2027 struct cam_periph *periph; 2028 struct ada_softc *softc; 2029 union ccb *ccb; 2030 int error; 2031 2032 CAM_PERIPH_FOREACH(periph, &adadriver) { 2033 /* If we paniced with lock held - not recurse here. */ 2034 if (cam_periph_owned(periph)) 2035 continue; 2036 cam_periph_lock(periph); 2037 softc = (struct ada_softc *)periph->softc; 2038 /* 2039 * We only spin-down the drive if it is capable of it.. 2040 */ 2041 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2042 cam_periph_unlock(periph); 2043 continue; 2044 } 2045 2046 if (bootverbose) 2047 xpt_print(periph->path, "spin-down\n"); 2048 2049 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2050 cam_fill_ataio(&ccb->ataio, 2051 0, 2052 adadone, 2053 CAM_DIR_NONE | flags, 2054 0, 2055 NULL, 2056 0, 2057 ada_default_timeout*1000); 2058 ata_28bit_cmd(&ccb->ataio, cmd, 0, 0, 0); 2059 2060 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 2061 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 2062 softc->disk->d_devstat); 2063 if (error != 0) 2064 xpt_print(periph->path, "Spin-down disk failed\n"); 2065 xpt_release_ccb(ccb); 2066 cam_periph_unlock(periph); 2067 } 2068} 2069 2070static void 2071adashutdown(void *arg, int howto) 2072{ 2073 2074 adaflush(); 2075 if (ada_spindown_shutdown != 0 && 2076 (howto & (RB_HALT | RB_POWEROFF)) != 0) 2077 adaspindown(ATA_STANDBY_IMMEDIATE, 0); 2078} 2079 2080static void 2081adasuspend(void *arg) 2082{ 2083 2084 adaflush(); 2085 if (ada_spindown_suspend != 0) 2086 adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE); 2087} 2088 2089static void 2090adaresume(void *arg) 2091{ 2092 struct cam_periph *periph; 2093 struct ada_softc *softc; 2094 2095 if (ada_spindown_suspend == 0) 2096 return; 2097 2098 CAM_PERIPH_FOREACH(periph, &adadriver) { 2099 cam_periph_lock(periph); 2100 softc = (struct ada_softc *)periph->softc; 2101 /* 2102 * We only spin-down the drive if it is capable of it.. 2103 */ 2104 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2105 cam_periph_unlock(periph); 2106 continue; 2107 } 2108 2109 if (bootverbose) 2110 xpt_print(periph->path, "resume\n"); 2111 2112 /* 2113 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on 2114 * sleep request. 2115 */ 2116 cam_release_devq(periph->path, 2117 /*relsim_flags*/0, 2118 /*openings*/0, 2119 /*timeout*/0, 2120 /*getcount_only*/0); 2121 2122 cam_periph_unlock(periph); 2123 } 2124} 2125 2126#endif /* _KERNEL */ 2127