ata_da.c revision 292348
1227983Stheraven/*- 2227983Stheraven * Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org> 3227983Stheraven * All rights reserved. 4227983Stheraven * 5227983Stheraven * Redistribution and use in source and binary forms, with or without 6227983Stheraven * modification, are permitted provided that the following conditions 7227983Stheraven * are met: 8227983Stheraven * 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 292348 2015-12-16 19:01:14Z ken $"); 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 Red Advanced Format (4k) drives */ 237 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????CX*", "*" }, 238 /*quirks*/ADA_Q_4K 239 }, 240 { 241 /* WDC Caviar Green Advanced Format (4k) drives */ 242 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RS*", "*" }, 243 /*quirks*/ADA_Q_4K 244 }, 245 { 246 /* WDC Caviar Green/Red Advanced Format (4k) drives */ 247 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RX*", "*" }, 248 /*quirks*/ADA_Q_4K 249 }, 250 { 251 /* WDC Caviar Red Advanced Format (4k) drives */ 252 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????CX*", "*" }, 253 /*quirks*/ADA_Q_4K 254 }, 255 { 256 /* WDC Caviar Black Advanced Format (4k) drives */ 257 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????EX*", "*" }, 258 /*quirks*/ADA_Q_4K 259 }, 260 { 261 /* WDC Caviar Green Advanced Format (4k) drives */ 262 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RS*", "*" }, 263 /*quirks*/ADA_Q_4K 264 }, 265 { 266 /* WDC Caviar Green Advanced Format (4k) drives */ 267 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RX*", "*" }, 268 /*quirks*/ADA_Q_4K 269 }, 270 { 271 /* WDC Scorpio Black Advanced Format (4k) drives */ 272 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PKT*", "*" }, 273 /*quirks*/ADA_Q_4K 274 }, 275 { 276 /* WDC Scorpio Black Advanced Format (4k) drives */ 277 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PKT*", "*" }, 278 /*quirks*/ADA_Q_4K 279 }, 280 { 281 /* WDC Scorpio Blue Advanced Format (4k) drives */ 282 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PVT*", "*" }, 283 /*quirks*/ADA_Q_4K 284 }, 285 { 286 /* WDC Scorpio Blue Advanced Format (4k) drives */ 287 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PVT*", "*" }, 288 /*quirks*/ADA_Q_4K 289 }, 290 /* SSDs */ 291 { 292 /* 293 * Corsair Force 2 SSDs 294 * 4k optimised & trim only works in 4k requests + 4k aligned 295 */ 296 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair CSSD-F*", "*" }, 297 /*quirks*/ADA_Q_4K 298 }, 299 { 300 /* 301 * Corsair Force 3 SSDs 302 * 4k optimised & trim only works in 4k requests + 4k aligned 303 */ 304 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force 3*", "*" }, 305 /*quirks*/ADA_Q_4K 306 }, 307 { 308 /* 309 * Corsair Neutron GTX SSDs 310 * 4k optimised & trim only works in 4k requests + 4k aligned 311 */ 312 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" }, 313 /*quirks*/ADA_Q_4K 314 }, 315 { 316 /* 317 * Corsair Force GT & GS SSDs 318 * 4k optimised & trim only works in 4k requests + 4k aligned 319 */ 320 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force G*", "*" }, 321 /*quirks*/ADA_Q_4K 322 }, 323 { 324 /* 325 * Crucial M4 SSDs 326 * 4k optimised & trim only works in 4k requests + 4k aligned 327 */ 328 { T_DIRECT, SIP_MEDIA_FIXED, "*", "M4-CT???M4SSD2*", "*" }, 329 /*quirks*/ADA_Q_4K 330 }, 331 { 332 /* 333 * Crucial RealSSD C300 SSDs 334 * 4k optimised 335 */ 336 { T_DIRECT, SIP_MEDIA_FIXED, "*", "C300-CTFDDAC???MAG*", 337 "*" }, /*quirks*/ADA_Q_4K 338 }, 339 { 340 /* 341 * Intel 320 Series SSDs 342 * 4k optimised & trim only works in 4k requests + 4k aligned 343 */ 344 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2CW*", "*" }, 345 /*quirks*/ADA_Q_4K 346 }, 347 { 348 /* 349 * Intel 330 Series SSDs 350 * 4k optimised & trim only works in 4k requests + 4k aligned 351 */ 352 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2CT*", "*" }, 353 /*quirks*/ADA_Q_4K 354 }, 355 { 356 /* 357 * Intel 510 Series SSDs 358 * 4k optimised & trim only works in 4k requests + 4k aligned 359 */ 360 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2MH*", "*" }, 361 /*quirks*/ADA_Q_4K 362 }, 363 { 364 /* 365 * Intel 520 Series SSDs 366 * 4k optimised & trim only works in 4k requests + 4k aligned 367 */ 368 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2BW*", "*" }, 369 /*quirks*/ADA_Q_4K 370 }, 371 { 372 /* 373 * Intel X25-M Series SSDs 374 * 4k optimised & trim only works in 4k requests + 4k aligned 375 */ 376 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2M*", "*" }, 377 /*quirks*/ADA_Q_4K 378 }, 379 { 380 /* 381 * Kingston E100 Series SSDs 382 * 4k optimised & trim only works in 4k requests + 4k aligned 383 */ 384 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SE100S3*", "*" }, 385 /*quirks*/ADA_Q_4K 386 }, 387 { 388 /* 389 * Kingston HyperX 3k SSDs 390 * 4k optimised & trim only works in 4k requests + 4k aligned 391 */ 392 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SH103S3*", "*" }, 393 /*quirks*/ADA_Q_4K 394 }, 395 { 396 /* 397 * Marvell SSDs (entry taken from OpenSolaris) 398 * 4k optimised & trim only works in 4k requests + 4k aligned 399 */ 400 { T_DIRECT, SIP_MEDIA_FIXED, "*", "MARVELL SD88SA02*", "*" }, 401 /*quirks*/ADA_Q_4K 402 }, 403 { 404 /* 405 * OCZ Agility 2 SSDs 406 * 4k optimised & trim only works in 4k requests + 4k aligned 407 */ 408 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" }, 409 /*quirks*/ADA_Q_4K 410 }, 411 { 412 /* 413 * OCZ Agility 3 SSDs 414 * 4k optimised & trim only works in 4k requests + 4k aligned 415 */ 416 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY3*", "*" }, 417 /*quirks*/ADA_Q_4K 418 }, 419 { 420 /* 421 * OCZ Deneva R Series SSDs 422 * 4k optimised & trim only works in 4k requests + 4k aligned 423 */ 424 { T_DIRECT, SIP_MEDIA_FIXED, "*", "DENRSTE251M45*", "*" }, 425 /*quirks*/ADA_Q_4K 426 }, 427 { 428 /* 429 * OCZ Vertex 2 SSDs (inc pro series) 430 * 4k optimised & trim only works in 4k requests + 4k aligned 431 */ 432 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ?VERTEX2*", "*" }, 433 /*quirks*/ADA_Q_4K 434 }, 435 { 436 /* 437 * OCZ Vertex 3 SSDs 438 * 4k optimised & trim only works in 4k requests + 4k aligned 439 */ 440 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX3*", "*" }, 441 /*quirks*/ADA_Q_4K 442 }, 443 { 444 /* 445 * OCZ Vertex 4 SSDs 446 * 4k optimised & trim only works in 4k requests + 4k aligned 447 */ 448 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX4*", "*" }, 449 /*quirks*/ADA_Q_4K 450 }, 451 { 452 /* 453 * Samsung 830 Series SSDs 454 * 4k optimised 455 */ 456 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG SSD 830 Series*", "*" }, 457 /*quirks*/ADA_Q_4K 458 }, 459 { 460 /* 461 * Samsung 840 SSDs 462 * 4k optimised 463 */ 464 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 840*", "*" }, 465 /*quirks*/ADA_Q_4K 466 }, 467 { 468 /* 469 * Samsung 843T Series SSDs 470 * 4k optimised 471 */ 472 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG MZ7WD*", "*" }, 473 /*quirks*/ADA_Q_4K 474 }, 475 { 476 /* 477 * Samsung 850 SSDs 478 * 4k optimised 479 */ 480 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 850*", "*" }, 481 /*quirks*/ADA_Q_4K 482 }, 483 { 484 /* 485 * Samsung PM853T Series SSDs 486 * 4k optimised 487 */ 488 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG MZ7GE*", "*" }, 489 /*quirks*/ADA_Q_4K 490 }, 491 { 492 /* 493 * SuperTalent TeraDrive CT SSDs 494 * 4k optimised & trim only works in 4k requests + 4k aligned 495 */ 496 { T_DIRECT, SIP_MEDIA_FIXED, "*", "FTM??CT25H*", "*" }, 497 /*quirks*/ADA_Q_4K 498 }, 499 { 500 /* 501 * XceedIOPS SATA SSDs 502 * 4k optimised 503 */ 504 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SG9XCS2D*", "*" }, 505 /*quirks*/ADA_Q_4K 506 }, 507 { 508 /* Default */ 509 { 510 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 511 /*vendor*/"*", /*product*/"*", /*revision*/"*" 512 }, 513 /*quirks*/0 514 }, 515}; 516 517static disk_strategy_t adastrategy; 518static dumper_t adadump; 519static periph_init_t adainit; 520static void adaasync(void *callback_arg, u_int32_t code, 521 struct cam_path *path, void *arg); 522static void adasysctlinit(void *context, int pending); 523static periph_ctor_t adaregister; 524static periph_dtor_t adacleanup; 525static periph_start_t adastart; 526static periph_oninv_t adaoninvalidate; 527static void adadone(struct cam_periph *periph, 528 union ccb *done_ccb); 529static int adaerror(union ccb *ccb, u_int32_t cam_flags, 530 u_int32_t sense_flags); 531static void adagetparams(struct cam_periph *periph, 532 struct ccb_getdev *cgd); 533static timeout_t adasendorderedtag; 534static void adashutdown(void *arg, int howto); 535static void adasuspend(void *arg); 536static void adaresume(void *arg); 537 538#ifndef ADA_DEFAULT_LEGACY_ALIASES 539#define ADA_DEFAULT_LEGACY_ALIASES 1 540#endif 541 542#ifndef ADA_DEFAULT_TIMEOUT 543#define ADA_DEFAULT_TIMEOUT 30 /* Timeout in seconds */ 544#endif 545 546#ifndef ADA_DEFAULT_RETRY 547#define ADA_DEFAULT_RETRY 4 548#endif 549 550#ifndef ADA_DEFAULT_SEND_ORDERED 551#define ADA_DEFAULT_SEND_ORDERED 1 552#endif 553 554#ifndef ADA_DEFAULT_SPINDOWN_SHUTDOWN 555#define ADA_DEFAULT_SPINDOWN_SHUTDOWN 1 556#endif 557 558#ifndef ADA_DEFAULT_SPINDOWN_SUSPEND 559#define ADA_DEFAULT_SPINDOWN_SUSPEND 1 560#endif 561 562#ifndef ADA_DEFAULT_READ_AHEAD 563#define ADA_DEFAULT_READ_AHEAD 1 564#endif 565 566#ifndef ADA_DEFAULT_WRITE_CACHE 567#define ADA_DEFAULT_WRITE_CACHE 1 568#endif 569 570#define ADA_RA (softc->read_ahead >= 0 ? \ 571 softc->read_ahead : ada_read_ahead) 572#define ADA_WC (softc->write_cache >= 0 ? \ 573 softc->write_cache : ada_write_cache) 574#define ADA_SIO (softc->sort_io_queue >= 0 ? \ 575 softc->sort_io_queue : cam_sort_io_queues) 576 577/* 578 * Most platforms map firmware geometry to actual, but some don't. If 579 * not overridden, default to nothing. 580 */ 581#ifndef ata_disk_firmware_geom_adjust 582#define ata_disk_firmware_geom_adjust(disk) 583#endif 584 585static int ada_legacy_aliases = ADA_DEFAULT_LEGACY_ALIASES; 586static int ada_retry_count = ADA_DEFAULT_RETRY; 587static int ada_default_timeout = ADA_DEFAULT_TIMEOUT; 588static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED; 589static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN; 590static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND; 591static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD; 592static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE; 593 594static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD, 0, 595 "CAM Direct Access Disk driver"); 596SYSCTL_INT(_kern_cam_ada, OID_AUTO, legacy_aliases, CTLFLAG_RW, 597 &ada_legacy_aliases, 0, "Create legacy-like device aliases"); 598TUNABLE_INT("kern.cam.ada.legacy_aliases", &ada_legacy_aliases); 599SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RW, 600 &ada_retry_count, 0, "Normal I/O retry count"); 601TUNABLE_INT("kern.cam.ada.retry_count", &ada_retry_count); 602SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RW, 603 &ada_default_timeout, 0, "Normal I/O timeout (in seconds)"); 604TUNABLE_INT("kern.cam.ada.default_timeout", &ada_default_timeout); 605SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RW, 606 &ada_send_ordered, 0, "Send Ordered Tags"); 607TUNABLE_INT("kern.cam.ada.send_ordered", &ada_send_ordered); 608SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RW, 609 &ada_spindown_shutdown, 0, "Spin down upon shutdown"); 610TUNABLE_INT("kern.cam.ada.spindown_shutdown", &ada_spindown_shutdown); 611SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RW, 612 &ada_spindown_suspend, 0, "Spin down upon suspend"); 613TUNABLE_INT("kern.cam.ada.spindown_suspend", &ada_spindown_suspend); 614SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RW, 615 &ada_read_ahead, 0, "Enable disk read-ahead"); 616TUNABLE_INT("kern.cam.ada.read_ahead", &ada_read_ahead); 617SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RW, 618 &ada_write_cache, 0, "Enable disk write cache"); 619TUNABLE_INT("kern.cam.ada.write_cache", &ada_write_cache); 620 621/* 622 * ADA_ORDEREDTAG_INTERVAL determines how often, relative 623 * to the default timeout, we check to see whether an ordered 624 * tagged transaction is appropriate to prevent simple tag 625 * starvation. Since we'd like to ensure that there is at least 626 * 1/2 of the timeout length left for a starved transaction to 627 * complete after we've sent an ordered tag, we must poll at least 628 * four times in every timeout period. This takes care of the worst 629 * case where a starved transaction starts during an interval that 630 * meets the requirement "don't send an ordered tag" test so it takes 631 * us two intervals to determine that a tag must be sent. 632 */ 633#ifndef ADA_ORDEREDTAG_INTERVAL 634#define ADA_ORDEREDTAG_INTERVAL 4 635#endif 636 637static struct periph_driver adadriver = 638{ 639 adainit, "ada", 640 TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0 641}; 642 643PERIPHDRIVER_DECLARE(ada, adadriver); 644 645static int 646adaopen(struct disk *dp) 647{ 648 struct cam_periph *periph; 649 struct ada_softc *softc; 650 int error; 651 652 periph = (struct cam_periph *)dp->d_drv1; 653 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 654 return(ENXIO); 655 } 656 657 cam_periph_lock(periph); 658 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 659 cam_periph_unlock(periph); 660 cam_periph_release(periph); 661 return (error); 662 } 663 664 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 665 ("adaopen\n")); 666 667 softc = (struct ada_softc *)periph->softc; 668 softc->flags |= ADA_FLAG_OPEN; 669 670 cam_periph_unhold(periph); 671 cam_periph_unlock(periph); 672 return (0); 673} 674 675static int 676adaclose(struct disk *dp) 677{ 678 struct cam_periph *periph; 679 struct ada_softc *softc; 680 union ccb *ccb; 681 int error; 682 683 periph = (struct cam_periph *)dp->d_drv1; 684 softc = (struct ada_softc *)periph->softc; 685 cam_periph_lock(periph); 686 687 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 688 ("adaclose\n")); 689 690 /* We only sync the cache if the drive is capable of it. */ 691 if ((softc->flags & ADA_FLAG_DIRTY) != 0 && 692 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 && 693 (periph->flags & CAM_PERIPH_INVALID) == 0 && 694 cam_periph_hold(periph, PRIBIO) == 0) { 695 696 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 697 cam_fill_ataio(&ccb->ataio, 698 1, 699 adadone, 700 CAM_DIR_NONE, 701 0, 702 NULL, 703 0, 704 ada_default_timeout*1000); 705 706 if (softc->flags & ADA_FLAG_CAN_48BIT) 707 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 708 else 709 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 710 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 711 /*sense_flags*/0, softc->disk->d_devstat); 712 713 if (error != 0) 714 xpt_print(periph->path, "Synchronize cache failed\n"); 715 else 716 softc->flags &= ~ADA_FLAG_DIRTY; 717 xpt_release_ccb(ccb); 718 cam_periph_unhold(periph); 719 } 720 721 softc->flags &= ~ADA_FLAG_OPEN; 722 723 while (softc->refcount != 0) 724 cam_periph_sleep(periph, &softc->refcount, PRIBIO, "adaclose", 1); 725 cam_periph_unlock(periph); 726 cam_periph_release(periph); 727 return (0); 728} 729 730static void 731adaschedule(struct cam_periph *periph) 732{ 733 struct ada_softc *softc = (struct ada_softc *)periph->softc; 734 735 if (softc->state != ADA_STATE_NORMAL) 736 return; 737 738 /* Check if we have more work to do. */ 739 if (bioq_first(&softc->bio_queue) || 740 (!softc->trim_running && bioq_first(&softc->trim_queue))) { 741 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 742 } 743} 744 745/* 746 * Actually translate the requested transfer into one the physical driver 747 * can understand. The transfer is described by a buf and will include 748 * only one physical transfer. 749 */ 750static void 751adastrategy(struct bio *bp) 752{ 753 struct cam_periph *periph; 754 struct ada_softc *softc; 755 756 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 757 softc = (struct ada_softc *)periph->softc; 758 759 cam_periph_lock(periph); 760 761 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp)); 762 763 /* 764 * If the device has been made invalid, error out 765 */ 766 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 767 cam_periph_unlock(periph); 768 biofinish(bp, NULL, ENXIO); 769 return; 770 } 771 772 /* 773 * Place it in the queue of disk activities for this disk 774 */ 775 if (bp->bio_cmd == BIO_DELETE) { 776 bioq_disksort(&softc->trim_queue, bp); 777 } else { 778 if (ADA_SIO) 779 bioq_disksort(&softc->bio_queue, bp); 780 else 781 bioq_insert_tail(&softc->bio_queue, bp); 782 } 783 784 /* 785 * Schedule ourselves for performing the work. 786 */ 787 adaschedule(periph); 788 cam_periph_unlock(periph); 789 790 return; 791} 792 793static int 794adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 795{ 796 struct cam_periph *periph; 797 struct ada_softc *softc; 798 u_int secsize; 799 union ccb ccb; 800 struct disk *dp; 801 uint64_t lba; 802 uint16_t count; 803 int error = 0; 804 805 dp = arg; 806 periph = dp->d_drv1; 807 softc = (struct ada_softc *)periph->softc; 808 cam_periph_lock(periph); 809 secsize = softc->params.secsize; 810 lba = offset / secsize; 811 count = length / secsize; 812 813 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 814 cam_periph_unlock(periph); 815 return (ENXIO); 816 } 817 818 if (length > 0) { 819 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 820 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 821 cam_fill_ataio(&ccb.ataio, 822 0, 823 adadone, 824 CAM_DIR_OUT, 825 0, 826 (u_int8_t *) virtual, 827 length, 828 ada_default_timeout*1000); 829 if ((softc->flags & ADA_FLAG_CAN_48BIT) && 830 (lba + count >= ATA_MAX_28BIT_LBA || 831 count >= 256)) { 832 ata_48bit_cmd(&ccb.ataio, ATA_WRITE_DMA48, 833 0, lba, count); 834 } else { 835 ata_28bit_cmd(&ccb.ataio, ATA_WRITE_DMA, 836 0, lba, count); 837 } 838 xpt_polled_action(&ccb); 839 840 error = cam_periph_error(&ccb, 841 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 842 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 843 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 844 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 845 if (error != 0) 846 printf("Aborting dump due to I/O error.\n"); 847 848 cam_periph_unlock(periph); 849 return (error); 850 } 851 852 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { 853 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 854 855 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 856 cam_fill_ataio(&ccb.ataio, 857 0, 858 adadone, 859 CAM_DIR_NONE, 860 0, 861 NULL, 862 0, 863 ada_default_timeout*1000); 864 865 if (softc->flags & ADA_FLAG_CAN_48BIT) 866 ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); 867 else 868 ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); 869 xpt_polled_action(&ccb); 870 871 error = cam_periph_error(&ccb, 872 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 873 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 874 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 875 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 876 if (error != 0) 877 xpt_print(periph->path, "Synchronize cache failed\n"); 878 } 879 cam_periph_unlock(periph); 880 return (error); 881} 882 883static void 884adainit(void) 885{ 886 cam_status status; 887 888 /* 889 * Install a global async callback. This callback will 890 * receive async callbacks like "new device found". 891 */ 892 status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL); 893 894 if (status != CAM_REQ_CMP) { 895 printf("ada: Failed to attach master async callback " 896 "due to status 0x%x!\n", status); 897 } else if (ada_send_ordered) { 898 899 /* Register our event handlers */ 900 if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend, 901 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 902 printf("adainit: power event registration failed!\n"); 903 if ((EVENTHANDLER_REGISTER(power_resume, adaresume, 904 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 905 printf("adainit: power event registration failed!\n"); 906 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown, 907 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 908 printf("adainit: shutdown event registration failed!\n"); 909 } 910} 911 912/* 913 * Callback from GEOM, called when it has finished cleaning up its 914 * resources. 915 */ 916static void 917adadiskgonecb(struct disk *dp) 918{ 919 struct cam_periph *periph; 920 921 periph = (struct cam_periph *)dp->d_drv1; 922 923 cam_periph_release(periph); 924} 925 926static void 927adaoninvalidate(struct cam_periph *periph) 928{ 929 struct ada_softc *softc; 930 931 softc = (struct ada_softc *)periph->softc; 932 933 /* 934 * De-register any async callbacks. 935 */ 936 xpt_register_async(0, adaasync, periph, periph->path); 937 938 /* 939 * Return all queued I/O with ENXIO. 940 * XXX Handle any transactions queued to the card 941 * with XPT_ABORT_CCB. 942 */ 943 bioq_flush(&softc->bio_queue, NULL, ENXIO); 944 bioq_flush(&softc->trim_queue, NULL, ENXIO); 945 946 disk_gone(softc->disk); 947} 948 949static void 950adacleanup(struct cam_periph *periph) 951{ 952 struct ada_softc *softc; 953 954 softc = (struct ada_softc *)periph->softc; 955 956 cam_periph_unlock(periph); 957 958 /* 959 * If we can't free the sysctl tree, oh well... 960 */ 961 if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0 962 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 963 xpt_print(periph->path, "can't remove sysctl context\n"); 964 } 965 966 disk_destroy(softc->disk); 967 callout_drain(&softc->sendordered_c); 968 free(softc, M_DEVBUF); 969 cam_periph_lock(periph); 970} 971 972static void 973adaasync(void *callback_arg, u_int32_t code, 974 struct cam_path *path, void *arg) 975{ 976 struct ccb_getdev cgd; 977 struct cam_periph *periph; 978 struct ada_softc *softc; 979 980 periph = (struct cam_periph *)callback_arg; 981 switch (code) { 982 case AC_FOUND_DEVICE: 983 { 984 struct ccb_getdev *cgd; 985 cam_status status; 986 987 cgd = (struct ccb_getdev *)arg; 988 if (cgd == NULL) 989 break; 990 991 if (cgd->protocol != PROTO_ATA) 992 break; 993 994 /* 995 * Allocate a peripheral instance for 996 * this device and start the probe 997 * process. 998 */ 999 status = cam_periph_alloc(adaregister, adaoninvalidate, 1000 adacleanup, adastart, 1001 "ada", CAM_PERIPH_BIO, 1002 path, adaasync, 1003 AC_FOUND_DEVICE, cgd); 1004 1005 if (status != CAM_REQ_CMP 1006 && status != CAM_REQ_INPROG) 1007 printf("adaasync: Unable to attach to new device " 1008 "due to status 0x%x\n", status); 1009 break; 1010 } 1011 case AC_GETDEV_CHANGED: 1012 { 1013 softc = (struct ada_softc *)periph->softc; 1014 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1015 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1016 xpt_action((union ccb *)&cgd); 1017 1018 if ((cgd.ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1019 (cgd.inq_flags & SID_DMA)) 1020 softc->flags |= ADA_FLAG_CAN_DMA; 1021 else 1022 softc->flags &= ~ADA_FLAG_CAN_DMA; 1023 if (cgd.ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1024 softc->flags |= ADA_FLAG_CAN_48BIT; 1025 if (cgd.inq_flags & SID_DMA48) 1026 softc->flags |= ADA_FLAG_CAN_DMA48; 1027 else 1028 softc->flags &= ~ADA_FLAG_CAN_DMA48; 1029 } else 1030 softc->flags &= ~(ADA_FLAG_CAN_48BIT | 1031 ADA_FLAG_CAN_DMA48); 1032 if ((cgd.ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1033 (cgd.inq_flags & SID_DMA) && (cgd.inq_flags & SID_CmdQue)) 1034 softc->flags |= ADA_FLAG_CAN_NCQ; 1035 else 1036 softc->flags &= ~ADA_FLAG_CAN_NCQ; 1037 if ((cgd.ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1038 (cgd.inq_flags & SID_DMA)) 1039 softc->flags |= ADA_FLAG_CAN_TRIM; 1040 else 1041 softc->flags &= ~ADA_FLAG_CAN_TRIM; 1042 1043 cam_periph_async(periph, code, path, arg); 1044 break; 1045 } 1046 case AC_ADVINFO_CHANGED: 1047 { 1048 uintptr_t buftype; 1049 1050 buftype = (uintptr_t)arg; 1051 if (buftype == CDAI_TYPE_PHYS_PATH) { 1052 struct ada_softc *softc; 1053 1054 softc = periph->softc; 1055 disk_attr_changed(softc->disk, "GEOM::physpath", 1056 M_NOWAIT); 1057 } 1058 break; 1059 } 1060 case AC_SENT_BDR: 1061 case AC_BUS_RESET: 1062 { 1063 softc = (struct ada_softc *)periph->softc; 1064 cam_periph_async(periph, code, path, arg); 1065 if (softc->state != ADA_STATE_NORMAL) 1066 break; 1067 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1068 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1069 xpt_action((union ccb *)&cgd); 1070 if (ADA_RA >= 0 && 1071 cgd.ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) 1072 softc->state = ADA_STATE_RAHEAD; 1073 else if (ADA_WC >= 0 && 1074 cgd.ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) 1075 softc->state = ADA_STATE_WCACHE; 1076 else 1077 break; 1078 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1079 softc->state = ADA_STATE_NORMAL; 1080 else 1081 xpt_schedule(periph, CAM_PRIORITY_DEV); 1082 } 1083 default: 1084 cam_periph_async(periph, code, path, arg); 1085 break; 1086 } 1087} 1088 1089static void 1090adasysctlinit(void *context, int pending) 1091{ 1092 struct cam_periph *periph; 1093 struct ada_softc *softc; 1094 char tmpstr[80], tmpstr2[80]; 1095 1096 periph = (struct cam_periph *)context; 1097 1098 /* periph was held for us when this task was enqueued */ 1099 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1100 cam_periph_release(periph); 1101 return; 1102 } 1103 1104 softc = (struct ada_softc *)periph->softc; 1105 snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d", periph->unit_number); 1106 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1107 1108 sysctl_ctx_init(&softc->sysctl_ctx); 1109 softc->flags |= ADA_FLAG_SCTX_INIT; 1110 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1111 SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2, 1112 CTLFLAG_RD, 0, tmpstr); 1113 if (softc->sysctl_tree == NULL) { 1114 printf("adasysctlinit: unable to allocate sysctl tree\n"); 1115 cam_periph_release(periph); 1116 return; 1117 } 1118 1119 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1120 OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE, 1121 &softc->read_ahead, 0, "Enable disk read ahead."); 1122 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1123 OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE, 1124 &softc->write_cache, 0, "Enable disk write cache."); 1125 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1126 OID_AUTO, "sort_io_queue", CTLFLAG_RW | CTLFLAG_MPSAFE, 1127 &softc->sort_io_queue, 0, 1128 "Sort IO queue to try and optimise disk access patterns"); 1129#ifdef ADA_TEST_FAILURE 1130 /* 1131 * Add a 'door bell' sysctl which allows one to set it from userland 1132 * and cause something bad to happen. For the moment, we only allow 1133 * whacking the next read or write. 1134 */ 1135 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1136 OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1137 &softc->force_read_error, 0, 1138 "Force a read error for the next N reads."); 1139 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1140 OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1141 &softc->force_write_error, 0, 1142 "Force a write error for the next N writes."); 1143 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1144 OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1145 &softc->periodic_read_error, 0, 1146 "Force a read error every N reads (don't set too low)."); 1147#endif 1148 cam_periph_release(periph); 1149} 1150 1151static int 1152adagetattr(struct bio *bp) 1153{ 1154 int ret; 1155 struct cam_periph *periph; 1156 1157 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1158 cam_periph_lock(periph); 1159 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1160 periph->path); 1161 cam_periph_unlock(periph); 1162 if (ret == 0) 1163 bp->bio_completed = bp->bio_length; 1164 return ret; 1165} 1166 1167static cam_status 1168adaregister(struct cam_periph *periph, void *arg) 1169{ 1170 struct ada_softc *softc; 1171 struct ccb_pathinq cpi; 1172 struct ccb_getdev *cgd; 1173 char announce_buf[80], buf1[32]; 1174 struct disk_params *dp; 1175 caddr_t match; 1176 u_int maxio; 1177 int legacy_id, quirks; 1178 1179 cgd = (struct ccb_getdev *)arg; 1180 if (cgd == NULL) { 1181 printf("adaregister: no getdev CCB, can't register device\n"); 1182 return(CAM_REQ_CMP_ERR); 1183 } 1184 1185 softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF, 1186 M_NOWAIT|M_ZERO); 1187 1188 if (softc == NULL) { 1189 printf("adaregister: Unable to probe new device. " 1190 "Unable to allocate softc\n"); 1191 return(CAM_REQ_CMP_ERR); 1192 } 1193 1194 bioq_init(&softc->bio_queue); 1195 bioq_init(&softc->trim_queue); 1196 1197 if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1198 (cgd->inq_flags & SID_DMA)) 1199 softc->flags |= ADA_FLAG_CAN_DMA; 1200 if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1201 softc->flags |= ADA_FLAG_CAN_48BIT; 1202 if (cgd->inq_flags & SID_DMA48) 1203 softc->flags |= ADA_FLAG_CAN_DMA48; 1204 } 1205 if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE) 1206 softc->flags |= ADA_FLAG_CAN_FLUSHCACHE; 1207 if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT) 1208 softc->flags |= ADA_FLAG_CAN_POWERMGT; 1209 if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1210 (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue)) 1211 softc->flags |= ADA_FLAG_CAN_NCQ; 1212 if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1213 (cgd->inq_flags & SID_DMA)) { 1214 softc->flags |= ADA_FLAG_CAN_TRIM; 1215 softc->trim_max_ranges = TRIM_MAX_RANGES; 1216 if (cgd->ident_data.max_dsm_blocks != 0) { 1217 softc->trim_max_ranges = 1218 min(cgd->ident_data.max_dsm_blocks * 1219 ATA_DSM_BLK_RANGES, softc->trim_max_ranges); 1220 } 1221 } 1222 if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA) 1223 softc->flags |= ADA_FLAG_CAN_CFA; 1224 1225 periph->softc = softc; 1226 1227 /* 1228 * See if this device has any quirks. 1229 */ 1230 match = cam_quirkmatch((caddr_t)&cgd->ident_data, 1231 (caddr_t)ada_quirk_table, 1232 sizeof(ada_quirk_table)/sizeof(*ada_quirk_table), 1233 sizeof(*ada_quirk_table), ata_identify_match); 1234 if (match != NULL) 1235 softc->quirks = ((struct ada_quirk_entry *)match)->quirks; 1236 else 1237 softc->quirks = ADA_Q_NONE; 1238 1239 bzero(&cpi, sizeof(cpi)); 1240 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 1241 cpi.ccb_h.func_code = XPT_PATH_INQ; 1242 xpt_action((union ccb *)&cpi); 1243 1244 TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph); 1245 1246 /* 1247 * Register this media as a disk 1248 */ 1249 (void)cam_periph_hold(periph, PRIBIO); 1250 cam_periph_unlock(periph); 1251 snprintf(announce_buf, sizeof(announce_buf), 1252 "kern.cam.ada.%d.quirks", periph->unit_number); 1253 quirks = softc->quirks; 1254 TUNABLE_INT_FETCH(announce_buf, &quirks); 1255 softc->quirks = quirks; 1256 softc->read_ahead = -1; 1257 snprintf(announce_buf, sizeof(announce_buf), 1258 "kern.cam.ada.%d.read_ahead", periph->unit_number); 1259 TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead); 1260 softc->write_cache = -1; 1261 snprintf(announce_buf, sizeof(announce_buf), 1262 "kern.cam.ada.%d.write_cache", periph->unit_number); 1263 TUNABLE_INT_FETCH(announce_buf, &softc->write_cache); 1264 /* Disable queue sorting for non-rotational media by default. */ 1265 if (cgd->ident_data.media_rotation_rate == ATA_RATE_NON_ROTATING) 1266 softc->sort_io_queue = 0; 1267 else 1268 softc->sort_io_queue = -1; 1269 adagetparams(periph, cgd); 1270 softc->disk = disk_alloc(); 1271 softc->disk->d_rotation_rate = cgd->ident_data.media_rotation_rate; 1272 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1273 periph->unit_number, softc->params.secsize, 1274 DEVSTAT_ALL_SUPPORTED, 1275 DEVSTAT_TYPE_DIRECT | 1276 XPORT_DEVSTAT_TYPE(cpi.transport), 1277 DEVSTAT_PRIORITY_DISK); 1278 softc->disk->d_open = adaopen; 1279 softc->disk->d_close = adaclose; 1280 softc->disk->d_strategy = adastrategy; 1281 softc->disk->d_getattr = adagetattr; 1282 softc->disk->d_dump = adadump; 1283 softc->disk->d_gone = adadiskgonecb; 1284 softc->disk->d_name = "ada"; 1285 softc->disk->d_drv1 = periph; 1286 maxio = cpi.maxio; /* Honor max I/O size of SIM */ 1287 if (maxio == 0) 1288 maxio = DFLTPHYS; /* traditional default */ 1289 else if (maxio > MAXPHYS) 1290 maxio = MAXPHYS; /* for safety */ 1291 if (softc->flags & ADA_FLAG_CAN_48BIT) 1292 maxio = min(maxio, 65536 * softc->params.secsize); 1293 else /* 28bit ATA command limit */ 1294 maxio = min(maxio, 256 * softc->params.secsize); 1295 softc->disk->d_maxsize = maxio; 1296 softc->disk->d_unit = periph->unit_number; 1297 softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION; 1298 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) 1299 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1300 if (softc->flags & ADA_FLAG_CAN_TRIM) { 1301 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1302 softc->disk->d_delmaxsize = softc->params.secsize * 1303 ATA_DSM_RANGE_MAX * 1304 softc->trim_max_ranges; 1305 } else if ((softc->flags & ADA_FLAG_CAN_CFA) && 1306 !(softc->flags & ADA_FLAG_CAN_48BIT)) { 1307 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1308 softc->disk->d_delmaxsize = 256 * softc->params.secsize; 1309 } else 1310 softc->disk->d_delmaxsize = maxio; 1311 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) 1312 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 1313 strlcpy(softc->disk->d_descr, cgd->ident_data.model, 1314 MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model))); 1315 strlcpy(softc->disk->d_ident, cgd->ident_data.serial, 1316 MIN(sizeof(softc->disk->d_ident), sizeof(cgd->ident_data.serial))); 1317 softc->disk->d_hba_vendor = cpi.hba_vendor; 1318 softc->disk->d_hba_device = cpi.hba_device; 1319 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1320 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1321 1322 softc->disk->d_sectorsize = softc->params.secsize; 1323 softc->disk->d_mediasize = (off_t)softc->params.sectors * 1324 softc->params.secsize; 1325 if (ata_physical_sector_size(&cgd->ident_data) != 1326 softc->params.secsize) { 1327 softc->disk->d_stripesize = 1328 ata_physical_sector_size(&cgd->ident_data); 1329 softc->disk->d_stripeoffset = (softc->disk->d_stripesize - 1330 ata_logical_sector_offset(&cgd->ident_data)) % 1331 softc->disk->d_stripesize; 1332 } else if (softc->quirks & ADA_Q_4K) { 1333 softc->disk->d_stripesize = 4096; 1334 softc->disk->d_stripeoffset = 0; 1335 } 1336 softc->disk->d_fwsectors = softc->params.secs_per_track; 1337 softc->disk->d_fwheads = softc->params.heads; 1338 ata_disk_firmware_geom_adjust(softc->disk); 1339 1340 if (ada_legacy_aliases) { 1341#ifdef ATA_STATIC_ID 1342 legacy_id = xpt_path_legacy_ata_id(periph->path); 1343#else 1344 legacy_id = softc->disk->d_unit; 1345#endif 1346 if (legacy_id >= 0) { 1347 snprintf(announce_buf, sizeof(announce_buf), 1348 "kern.devalias.%s%d", 1349 softc->disk->d_name, softc->disk->d_unit); 1350 snprintf(buf1, sizeof(buf1), 1351 "ad%d", legacy_id); 1352 setenv(announce_buf, buf1); 1353 } 1354 } else 1355 legacy_id = -1; 1356 /* 1357 * Acquire a reference to the periph before we register with GEOM. 1358 * We'll release this reference once GEOM calls us back (via 1359 * adadiskgonecb()) telling us that our provider has been freed. 1360 */ 1361 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1362 xpt_print(periph->path, "%s: lost periph during " 1363 "registration!\n", __func__); 1364 cam_periph_lock(periph); 1365 return (CAM_REQ_CMP_ERR); 1366 } 1367 disk_create(softc->disk, DISK_VERSION); 1368 cam_periph_lock(periph); 1369 cam_periph_unhold(periph); 1370 1371 dp = &softc->params; 1372 snprintf(announce_buf, sizeof(announce_buf), 1373 "%juMB (%ju %u byte sectors)", 1374 ((uintmax_t)dp->secsize * dp->sectors) / (1024 * 1024), 1375 (uintmax_t)dp->sectors, dp->secsize); 1376 xpt_announce_periph(periph, announce_buf); 1377 xpt_announce_quirks(periph, softc->quirks, ADA_Q_BIT_STRING); 1378 if (legacy_id >= 0) 1379 printf("%s%d: Previously was known as ad%d\n", 1380 periph->periph_name, periph->unit_number, legacy_id); 1381 1382 /* 1383 * Create our sysctl variables, now that we know 1384 * we have successfully attached. 1385 */ 1386 if (cam_periph_acquire(periph) == CAM_REQ_CMP) 1387 taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task); 1388 1389 /* 1390 * Add async callbacks for bus reset and 1391 * bus device reset calls. I don't bother 1392 * checking if this fails as, in most cases, 1393 * the system will function just fine without 1394 * them and the only alternative would be to 1395 * not attach the device on failure. 1396 */ 1397 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 1398 AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED, 1399 adaasync, periph, periph->path); 1400 1401 /* 1402 * Schedule a periodic event to occasionally send an 1403 * ordered tag to a device. 1404 */ 1405 callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0); 1406 callout_reset(&softc->sendordered_c, 1407 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1408 adasendorderedtag, softc); 1409 1410 if (ADA_RA >= 0 && 1411 cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) { 1412 softc->state = ADA_STATE_RAHEAD; 1413 } else if (ADA_WC >= 0 && 1414 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1415 softc->state = ADA_STATE_WCACHE; 1416 } else { 1417 softc->state = ADA_STATE_NORMAL; 1418 return(CAM_REQ_CMP); 1419 } 1420 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1421 softc->state = ADA_STATE_NORMAL; 1422 else 1423 xpt_schedule(periph, CAM_PRIORITY_DEV); 1424 return(CAM_REQ_CMP); 1425} 1426 1427static void 1428ada_dsmtrim(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio) 1429{ 1430 struct trim_request *req = &softc->trim_req; 1431 uint64_t lastlba = (uint64_t)-1; 1432 int c, lastcount = 0, off, ranges = 0; 1433 1434 bzero(req, sizeof(*req)); 1435 TAILQ_INIT(&req->bps); 1436 do { 1437 uint64_t lba = bp->bio_pblkno; 1438 int count = bp->bio_bcount / softc->params.secsize; 1439 1440 bioq_remove(&softc->trim_queue, bp); 1441 1442 /* Try to extend the previous range. */ 1443 if (lba == lastlba) { 1444 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 1445 lastcount += c; 1446 off = (ranges - 1) * ATA_DSM_RANGE_SIZE; 1447 req->data[off + 6] = lastcount & 0xff; 1448 req->data[off + 7] = 1449 (lastcount >> 8) & 0xff; 1450 count -= c; 1451 lba += c; 1452 } 1453 1454 while (count > 0) { 1455 c = min(count, ATA_DSM_RANGE_MAX); 1456 off = ranges * ATA_DSM_RANGE_SIZE; 1457 req->data[off + 0] = lba & 0xff; 1458 req->data[off + 1] = (lba >> 8) & 0xff; 1459 req->data[off + 2] = (lba >> 16) & 0xff; 1460 req->data[off + 3] = (lba >> 24) & 0xff; 1461 req->data[off + 4] = (lba >> 32) & 0xff; 1462 req->data[off + 5] = (lba >> 40) & 0xff; 1463 req->data[off + 6] = c & 0xff; 1464 req->data[off + 7] = (c >> 8) & 0xff; 1465 lba += c; 1466 count -= c; 1467 lastcount = c; 1468 ranges++; 1469 /* 1470 * Its the caller's responsibility to ensure the 1471 * request will fit so we don't need to check for 1472 * overrun here 1473 */ 1474 } 1475 lastlba = lba; 1476 TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue); 1477 bp = bioq_first(&softc->trim_queue); 1478 if (bp == NULL || 1479 bp->bio_bcount / softc->params.secsize > 1480 (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) 1481 break; 1482 } while (1); 1483 cam_fill_ataio(ataio, 1484 ada_retry_count, 1485 adadone, 1486 CAM_DIR_OUT, 1487 0, 1488 req->data, 1489 ((ranges + ATA_DSM_BLK_RANGES - 1) / 1490 ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE, 1491 ada_default_timeout * 1000); 1492 ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT, 1493 ATA_DSM_TRIM, 0, (ranges + ATA_DSM_BLK_RANGES - 1494 1) / ATA_DSM_BLK_RANGES); 1495} 1496 1497static void 1498ada_cfaerase(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio) 1499{ 1500 struct trim_request *req = &softc->trim_req; 1501 uint64_t lba = bp->bio_pblkno; 1502 uint16_t count = bp->bio_bcount / softc->params.secsize; 1503 1504 bzero(req, sizeof(*req)); 1505 TAILQ_INIT(&req->bps); 1506 bioq_remove(&softc->trim_queue, bp); 1507 TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue); 1508 1509 cam_fill_ataio(ataio, 1510 ada_retry_count, 1511 adadone, 1512 CAM_DIR_NONE, 1513 0, 1514 NULL, 1515 0, 1516 ada_default_timeout*1000); 1517 1518 if (count >= 256) 1519 count = 0; 1520 ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count); 1521} 1522 1523static void 1524adastart(struct cam_periph *periph, union ccb *start_ccb) 1525{ 1526 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1527 struct ccb_ataio *ataio = &start_ccb->ataio; 1528 1529 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n")); 1530 1531 switch (softc->state) { 1532 case ADA_STATE_NORMAL: 1533 { 1534 struct bio *bp; 1535 u_int8_t tag_code; 1536 1537 /* Run TRIM if not running yet. */ 1538 if (!softc->trim_running && 1539 (bp = bioq_first(&softc->trim_queue)) != 0) { 1540 if (softc->flags & ADA_FLAG_CAN_TRIM) { 1541 ada_dsmtrim(softc, bp, ataio); 1542 } else if ((softc->flags & ADA_FLAG_CAN_CFA) && 1543 !(softc->flags & ADA_FLAG_CAN_48BIT)) { 1544 ada_cfaerase(softc, bp, ataio); 1545 } else { 1546 /* This can happen if DMA was disabled. */ 1547 bioq_remove(&softc->trim_queue, bp); 1548 biofinish(bp, NULL, EOPNOTSUPP); 1549 xpt_release_ccb(start_ccb); 1550 adaschedule(periph); 1551 return; 1552 } 1553 softc->trim_running = 1; 1554 start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM; 1555 start_ccb->ccb_h.flags |= CAM_UNLOCKED; 1556 goto out; 1557 } 1558 /* Run regular command. */ 1559 bp = bioq_first(&softc->bio_queue); 1560 if (bp == NULL) { 1561 xpt_release_ccb(start_ccb); 1562 break; 1563 } 1564 bioq_remove(&softc->bio_queue, bp); 1565 1566 if ((bp->bio_flags & BIO_ORDERED) != 0 1567 || (softc->flags & ADA_FLAG_NEED_OTAG) != 0) { 1568 softc->flags &= ~ADA_FLAG_NEED_OTAG; 1569 softc->flags |= ADA_FLAG_WAS_OTAG; 1570 tag_code = 0; 1571 } else { 1572 tag_code = 1; 1573 } 1574 switch (bp->bio_cmd) { 1575 case BIO_WRITE: 1576 case BIO_READ: 1577 { 1578 uint64_t lba = bp->bio_pblkno; 1579 uint16_t count = bp->bio_bcount / softc->params.secsize; 1580 void *data_ptr; 1581 int rw_op; 1582 1583 if (bp->bio_cmd == BIO_WRITE) { 1584 softc->flags |= ADA_FLAG_DIRTY; 1585 rw_op = CAM_DIR_OUT; 1586 } else { 1587 rw_op = CAM_DIR_IN; 1588 } 1589 1590 data_ptr = bp->bio_data; 1591 if ((bp->bio_flags & (BIO_UNMAPPED|BIO_VLIST)) != 0) { 1592 rw_op |= CAM_DATA_BIO; 1593 data_ptr = bp; 1594 } 1595 1596#ifdef ADA_TEST_FAILURE 1597 int fail = 0; 1598 1599 /* 1600 * Support the failure ioctls. If the command is a 1601 * read, and there are pending forced read errors, or 1602 * if a write and pending write errors, then fail this 1603 * operation with EIO. This is useful for testing 1604 * purposes. Also, support having every Nth read fail. 1605 * 1606 * This is a rather blunt tool. 1607 */ 1608 if (bp->bio_cmd == BIO_READ) { 1609 if (softc->force_read_error) { 1610 softc->force_read_error--; 1611 fail = 1; 1612 } 1613 if (softc->periodic_read_error > 0) { 1614 if (++softc->periodic_read_count >= 1615 softc->periodic_read_error) { 1616 softc->periodic_read_count = 0; 1617 fail = 1; 1618 } 1619 } 1620 } else { 1621 if (softc->force_write_error) { 1622 softc->force_write_error--; 1623 fail = 1; 1624 } 1625 } 1626 if (fail) { 1627 biofinish(bp, NULL, EIO); 1628 xpt_release_ccb(start_ccb); 1629 adaschedule(periph); 1630 return; 1631 } 1632#endif 1633 KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 || 1634 round_page(bp->bio_bcount + bp->bio_ma_offset) / 1635 PAGE_SIZE == bp->bio_ma_n, 1636 ("Short bio %p", bp)); 1637 cam_fill_ataio(ataio, 1638 ada_retry_count, 1639 adadone, 1640 rw_op, 1641 tag_code, 1642 data_ptr, 1643 bp->bio_bcount, 1644 ada_default_timeout*1000); 1645 1646 if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) { 1647 if (bp->bio_cmd == BIO_READ) { 1648 ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED, 1649 lba, count); 1650 } else { 1651 ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED, 1652 lba, count); 1653 } 1654 } else if ((softc->flags & ADA_FLAG_CAN_48BIT) && 1655 (lba + count >= ATA_MAX_28BIT_LBA || 1656 count > 256)) { 1657 if (softc->flags & ADA_FLAG_CAN_DMA48) { 1658 if (bp->bio_cmd == BIO_READ) { 1659 ata_48bit_cmd(ataio, ATA_READ_DMA48, 1660 0, lba, count); 1661 } else { 1662 ata_48bit_cmd(ataio, ATA_WRITE_DMA48, 1663 0, lba, count); 1664 } 1665 } else { 1666 if (bp->bio_cmd == BIO_READ) { 1667 ata_48bit_cmd(ataio, ATA_READ_MUL48, 1668 0, lba, count); 1669 } else { 1670 ata_48bit_cmd(ataio, ATA_WRITE_MUL48, 1671 0, lba, count); 1672 } 1673 } 1674 } else { 1675 if (count == 256) 1676 count = 0; 1677 if (softc->flags & ADA_FLAG_CAN_DMA) { 1678 if (bp->bio_cmd == BIO_READ) { 1679 ata_28bit_cmd(ataio, ATA_READ_DMA, 1680 0, lba, count); 1681 } else { 1682 ata_28bit_cmd(ataio, ATA_WRITE_DMA, 1683 0, lba, count); 1684 } 1685 } else { 1686 if (bp->bio_cmd == BIO_READ) { 1687 ata_28bit_cmd(ataio, ATA_READ_MUL, 1688 0, lba, count); 1689 } else { 1690 ata_28bit_cmd(ataio, ATA_WRITE_MUL, 1691 0, lba, count); 1692 } 1693 } 1694 } 1695 break; 1696 } 1697 case BIO_FLUSH: 1698 cam_fill_ataio(ataio, 1699 1, 1700 adadone, 1701 CAM_DIR_NONE, 1702 0, 1703 NULL, 1704 0, 1705 ada_default_timeout*1000); 1706 1707 if (softc->flags & ADA_FLAG_CAN_48BIT) 1708 ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1709 else 1710 ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0); 1711 break; 1712 } 1713 start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO; 1714 start_ccb->ccb_h.flags |= CAM_UNLOCKED; 1715out: 1716 start_ccb->ccb_h.ccb_bp = bp; 1717 softc->outstanding_cmds++; 1718 softc->refcount++; 1719 cam_periph_unlock(periph); 1720 xpt_action(start_ccb); 1721 cam_periph_lock(periph); 1722 softc->refcount--; 1723 1724 /* May have more work to do, so ensure we stay scheduled */ 1725 adaschedule(periph); 1726 break; 1727 } 1728 case ADA_STATE_RAHEAD: 1729 case ADA_STATE_WCACHE: 1730 { 1731 cam_fill_ataio(ataio, 1732 1, 1733 adadone, 1734 CAM_DIR_NONE, 1735 0, 1736 NULL, 1737 0, 1738 ada_default_timeout*1000); 1739 1740 if (softc->state == ADA_STATE_RAHEAD) { 1741 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ? 1742 ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0); 1743 start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD; 1744 } else { 1745 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ? 1746 ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0); 1747 start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE; 1748 } 1749 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1750 xpt_action(start_ccb); 1751 break; 1752 } 1753 } 1754} 1755 1756static void 1757adadone(struct cam_periph *periph, union ccb *done_ccb) 1758{ 1759 struct ada_softc *softc; 1760 struct ccb_ataio *ataio; 1761 struct ccb_getdev *cgd; 1762 struct cam_path *path; 1763 int state; 1764 1765 softc = (struct ada_softc *)periph->softc; 1766 ataio = &done_ccb->ataio; 1767 path = done_ccb->ccb_h.path; 1768 1769 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n")); 1770 1771 state = ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK; 1772 switch (state) { 1773 case ADA_CCB_BUFFER_IO: 1774 case ADA_CCB_TRIM: 1775 { 1776 struct bio *bp; 1777 int error; 1778 1779 cam_periph_lock(periph); 1780 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1781 error = adaerror(done_ccb, 0, 0); 1782 if (error == ERESTART) { 1783 /* A retry was scheduled, so just return. */ 1784 cam_periph_unlock(periph); 1785 return; 1786 } 1787 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1788 cam_release_devq(path, 1789 /*relsim_flags*/0, 1790 /*reduction*/0, 1791 /*timeout*/0, 1792 /*getcount_only*/0); 1793 } else { 1794 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1795 panic("REQ_CMP with QFRZN"); 1796 error = 0; 1797 } 1798 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1799 bp->bio_error = error; 1800 if (error != 0) { 1801 bp->bio_resid = bp->bio_bcount; 1802 bp->bio_flags |= BIO_ERROR; 1803 } else { 1804 if (state == ADA_CCB_TRIM) 1805 bp->bio_resid = 0; 1806 else 1807 bp->bio_resid = ataio->resid; 1808 if (bp->bio_resid > 0) 1809 bp->bio_flags |= BIO_ERROR; 1810 } 1811 softc->outstanding_cmds--; 1812 if (softc->outstanding_cmds == 0) 1813 softc->flags |= ADA_FLAG_WAS_OTAG; 1814 xpt_release_ccb(done_ccb); 1815 if (state == ADA_CCB_TRIM) { 1816 TAILQ_HEAD(, bio) queue; 1817 struct bio *bp1; 1818 1819 TAILQ_INIT(&queue); 1820 TAILQ_CONCAT(&queue, &softc->trim_req.bps, bio_queue); 1821 /* 1822 * Normally, the xpt_release_ccb() above would make sure 1823 * that when we have more work to do, that work would 1824 * get kicked off. However, we specifically keep 1825 * trim_running set to 0 before the call above to allow 1826 * other I/O to progress when many BIO_DELETE requests 1827 * are pushed down. We set trim_running to 0 and call 1828 * daschedule again so that we don't stall if there are 1829 * no other I/Os pending apart from BIO_DELETEs. 1830 */ 1831 softc->trim_running = 0; 1832 adaschedule(periph); 1833 cam_periph_unlock(periph); 1834 while ((bp1 = TAILQ_FIRST(&queue)) != NULL) { 1835 TAILQ_REMOVE(&queue, bp1, bio_queue); 1836 bp1->bio_error = error; 1837 if (error != 0) { 1838 bp1->bio_flags |= BIO_ERROR; 1839 bp1->bio_resid = bp1->bio_bcount; 1840 } else 1841 bp1->bio_resid = 0; 1842 biodone(bp1); 1843 } 1844 } else { 1845 cam_periph_unlock(periph); 1846 biodone(bp); 1847 } 1848 return; 1849 } 1850 case ADA_CCB_RAHEAD: 1851 { 1852 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1853 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1854out: 1855 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1856 cam_release_devq(path, 0, 0, 0, FALSE); 1857 return; 1858 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1859 cam_release_devq(path, 1860 /*relsim_flags*/0, 1861 /*reduction*/0, 1862 /*timeout*/0, 1863 /*getcount_only*/0); 1864 } 1865 } 1866 1867 /* 1868 * Since our peripheral may be invalidated by an error 1869 * above or an external event, we must release our CCB 1870 * before releasing the reference on the peripheral. 1871 * The peripheral will only go away once the last reference 1872 * is removed, and we need it around for the CCB release 1873 * operation. 1874 */ 1875 cgd = (struct ccb_getdev *)done_ccb; 1876 xpt_setup_ccb(&cgd->ccb_h, path, CAM_PRIORITY_NORMAL); 1877 cgd->ccb_h.func_code = XPT_GDEV_TYPE; 1878 xpt_action((union ccb *)cgd); 1879 if (ADA_WC >= 0 && 1880 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1881 softc->state = ADA_STATE_WCACHE; 1882 xpt_release_ccb(done_ccb); 1883 xpt_schedule(periph, CAM_PRIORITY_DEV); 1884 goto out; 1885 } 1886 softc->state = ADA_STATE_NORMAL; 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_WCACHE: 1895 { 1896 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1897 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1898 goto out; 1899 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1900 cam_release_devq(path, 1901 /*relsim_flags*/0, 1902 /*reduction*/0, 1903 /*timeout*/0, 1904 /*getcount_only*/0); 1905 } 1906 } 1907 1908 softc->state = ADA_STATE_NORMAL; 1909 /* 1910 * Since our peripheral may be invalidated by an error 1911 * above or an external event, we must release our CCB 1912 * before releasing the reference on the peripheral. 1913 * The peripheral will only go away once the last reference 1914 * is removed, and we need it around for the CCB release 1915 * operation. 1916 */ 1917 xpt_release_ccb(done_ccb); 1918 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1919 cam_release_devq(path, 0, 0, 0, FALSE); 1920 adaschedule(periph); 1921 cam_periph_release_locked(periph); 1922 return; 1923 } 1924 case ADA_CCB_DUMP: 1925 /* No-op. We're polling */ 1926 return; 1927 default: 1928 break; 1929 } 1930 xpt_release_ccb(done_ccb); 1931} 1932 1933static int 1934adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1935{ 1936 1937 return(cam_periph_error(ccb, cam_flags, sense_flags, NULL)); 1938} 1939 1940static void 1941adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd) 1942{ 1943 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1944 struct disk_params *dp = &softc->params; 1945 u_int64_t lbasize48; 1946 u_int32_t lbasize; 1947 1948 dp->secsize = ata_logical_sector_size(&cgd->ident_data); 1949 if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) && 1950 cgd->ident_data.current_heads && cgd->ident_data.current_sectors) { 1951 dp->heads = cgd->ident_data.current_heads; 1952 dp->secs_per_track = cgd->ident_data.current_sectors; 1953 dp->cylinders = cgd->ident_data.cylinders; 1954 dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 | 1955 ((u_int32_t)cgd->ident_data.current_size_2 << 16); 1956 } else { 1957 dp->heads = cgd->ident_data.heads; 1958 dp->secs_per_track = cgd->ident_data.sectors; 1959 dp->cylinders = cgd->ident_data.cylinders; 1960 dp->sectors = cgd->ident_data.cylinders * dp->heads * dp->secs_per_track; 1961 } 1962 lbasize = (u_int32_t)cgd->ident_data.lba_size_1 | 1963 ((u_int32_t)cgd->ident_data.lba_size_2 << 16); 1964 1965 /* use the 28bit LBA size if valid or bigger than the CHS mapping */ 1966 if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize) 1967 dp->sectors = lbasize; 1968 1969 /* use the 48bit LBA size if valid */ 1970 lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) | 1971 ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) | 1972 ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) | 1973 ((u_int64_t)cgd->ident_data.lba_size48_4 << 48); 1974 if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) && 1975 lbasize48 > ATA_MAX_28BIT_LBA) 1976 dp->sectors = lbasize48; 1977} 1978 1979static void 1980adasendorderedtag(void *arg) 1981{ 1982 struct ada_softc *softc = arg; 1983 1984 if (ada_send_ordered) { 1985 if (softc->outstanding_cmds > 0) { 1986 if ((softc->flags & ADA_FLAG_WAS_OTAG) == 0) 1987 softc->flags |= ADA_FLAG_NEED_OTAG; 1988 softc->flags &= ~ADA_FLAG_WAS_OTAG; 1989 } 1990 } 1991 /* Queue us up again */ 1992 callout_reset(&softc->sendordered_c, 1993 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1994 adasendorderedtag, softc); 1995} 1996 1997/* 1998 * Step through all ADA peripheral drivers, and if the device is still open, 1999 * sync the disk cache to physical media. 2000 */ 2001static void 2002adaflush(void) 2003{ 2004 struct cam_periph *periph; 2005 struct ada_softc *softc; 2006 union ccb *ccb; 2007 int error; 2008 2009 CAM_PERIPH_FOREACH(periph, &adadriver) { 2010 softc = (struct ada_softc *)periph->softc; 2011 if (SCHEDULER_STOPPED()) { 2012 /* If we paniced with the lock held, do not recurse. */ 2013 if (!cam_periph_owned(periph) && 2014 (softc->flags & ADA_FLAG_OPEN)) { 2015 adadump(softc->disk, NULL, 0, 0, 0); 2016 } 2017 continue; 2018 } 2019 cam_periph_lock(periph); 2020 /* 2021 * We only sync the cache if the drive is still open, and 2022 * if the drive is capable of it.. 2023 */ 2024 if (((softc->flags & ADA_FLAG_OPEN) == 0) || 2025 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) { 2026 cam_periph_unlock(periph); 2027 continue; 2028 } 2029 2030 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2031 cam_fill_ataio(&ccb->ataio, 2032 0, 2033 adadone, 2034 CAM_DIR_NONE, 2035 0, 2036 NULL, 2037 0, 2038 ada_default_timeout*1000); 2039 if (softc->flags & ADA_FLAG_CAN_48BIT) 2040 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 2041 else 2042 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 2043 2044 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 2045 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 2046 softc->disk->d_devstat); 2047 if (error != 0) 2048 xpt_print(periph->path, "Synchronize cache failed\n"); 2049 xpt_release_ccb(ccb); 2050 cam_periph_unlock(periph); 2051 } 2052} 2053 2054static void 2055adaspindown(uint8_t cmd, int flags) 2056{ 2057 struct cam_periph *periph; 2058 struct ada_softc *softc; 2059 union ccb *ccb; 2060 int error; 2061 2062 CAM_PERIPH_FOREACH(periph, &adadriver) { 2063 /* If we paniced with lock held - not recurse here. */ 2064 if (cam_periph_owned(periph)) 2065 continue; 2066 cam_periph_lock(periph); 2067 softc = (struct ada_softc *)periph->softc; 2068 /* 2069 * We only spin-down the drive if it is capable of it.. 2070 */ 2071 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2072 cam_periph_unlock(periph); 2073 continue; 2074 } 2075 2076 if (bootverbose) 2077 xpt_print(periph->path, "spin-down\n"); 2078 2079 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2080 cam_fill_ataio(&ccb->ataio, 2081 0, 2082 adadone, 2083 CAM_DIR_NONE | flags, 2084 0, 2085 NULL, 2086 0, 2087 ada_default_timeout*1000); 2088 ata_28bit_cmd(&ccb->ataio, cmd, 0, 0, 0); 2089 2090 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 2091 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 2092 softc->disk->d_devstat); 2093 if (error != 0) 2094 xpt_print(periph->path, "Spin-down disk failed\n"); 2095 xpt_release_ccb(ccb); 2096 cam_periph_unlock(periph); 2097 } 2098} 2099 2100static void 2101adashutdown(void *arg, int howto) 2102{ 2103 2104 adaflush(); 2105 if (ada_spindown_shutdown != 0 && 2106 (howto & (RB_HALT | RB_POWEROFF)) != 0) 2107 adaspindown(ATA_STANDBY_IMMEDIATE, 0); 2108} 2109 2110static void 2111adasuspend(void *arg) 2112{ 2113 2114 adaflush(); 2115 if (ada_spindown_suspend != 0) 2116 adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE); 2117} 2118 2119static void 2120adaresume(void *arg) 2121{ 2122 struct cam_periph *periph; 2123 struct ada_softc *softc; 2124 2125 if (ada_spindown_suspend == 0) 2126 return; 2127 2128 CAM_PERIPH_FOREACH(periph, &adadriver) { 2129 cam_periph_lock(periph); 2130 softc = (struct ada_softc *)periph->softc; 2131 /* 2132 * We only spin-down the drive if it is capable of it.. 2133 */ 2134 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2135 cam_periph_unlock(periph); 2136 continue; 2137 } 2138 2139 if (bootverbose) 2140 xpt_print(periph->path, "resume\n"); 2141 2142 /* 2143 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on 2144 * sleep request. 2145 */ 2146 cam_release_devq(periph->path, 2147 /*relsim_flags*/0, 2148 /*openings*/0, 2149 /*timeout*/0, 2150 /*getcount_only*/0); 2151 2152 cam_periph_unlock(periph); 2153 } 2154} 2155 2156#endif /* _KERNEL */ 2157