ata_da.c revision 257054
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: head/sys/cam/ata/ata_da.c 257054 2013-10-24 14:05:44Z mav $"); 29 30#include "opt_ada.h" 31 32#include <sys/param.h> 33 34#ifdef _KERNEL 35#include <sys/systm.h> 36#include <sys/kernel.h> 37#include <sys/bio.h> 38#include <sys/sysctl.h> 39#include <sys/taskqueue.h> 40#include <sys/lock.h> 41#include <sys/mutex.h> 42#include <sys/conf.h> 43#include <sys/devicestat.h> 44#include <sys/eventhandler.h> 45#include <sys/malloc.h> 46#include <sys/cons.h> 47#include <sys/proc.h> 48#include <sys/reboot.h> 49#include <geom/geom_disk.h> 50#endif /* _KERNEL */ 51 52#ifndef _KERNEL 53#include <stdio.h> 54#include <string.h> 55#endif /* _KERNEL */ 56 57#include <cam/cam.h> 58#include <cam/cam_ccb.h> 59#include <cam/cam_periph.h> 60#include <cam/cam_xpt_periph.h> 61#include <cam/cam_sim.h> 62 63#include <cam/ata/ata_all.h> 64 65#include <machine/md_var.h> /* geometry translation */ 66 67#ifdef _KERNEL 68 69#define ATA_MAX_28BIT_LBA 268435455UL 70 71typedef enum { 72 ADA_STATE_RAHEAD, 73 ADA_STATE_WCACHE, 74 ADA_STATE_NORMAL 75} ada_state; 76 77typedef enum { 78 ADA_FLAG_CAN_48BIT = 0x0002, 79 ADA_FLAG_CAN_FLUSHCACHE = 0x0004, 80 ADA_FLAG_CAN_NCQ = 0x0008, 81 ADA_FLAG_CAN_DMA = 0x0010, 82 ADA_FLAG_NEED_OTAG = 0x0020, 83 ADA_FLAG_WAS_OTAG = 0x0040, 84 ADA_FLAG_CAN_TRIM = 0x0080, 85 ADA_FLAG_OPEN = 0x0100, 86 ADA_FLAG_SCTX_INIT = 0x0200, 87 ADA_FLAG_CAN_CFA = 0x0400, 88 ADA_FLAG_CAN_POWERMGT = 0x0800, 89 ADA_FLAG_CAN_DMA48 = 0x1000, 90 ADA_FLAG_DIRTY = 0x2000 91} ada_flags; 92 93typedef enum { 94 ADA_Q_NONE = 0x00, 95 ADA_Q_4K = 0x01, 96} ada_quirks; 97 98#define ADA_Q_BIT_STRING \ 99 "\020" \ 100 "\0014K" 101 102typedef enum { 103 ADA_CCB_RAHEAD = 0x01, 104 ADA_CCB_WCACHE = 0x02, 105 ADA_CCB_BUFFER_IO = 0x03, 106 ADA_CCB_DUMP = 0x05, 107 ADA_CCB_TRIM = 0x06, 108 ADA_CCB_TYPE_MASK = 0x0F, 109} ada_ccb_state; 110 111/* Offsets into our private area for storing information */ 112#define ccb_state ppriv_field0 113#define ccb_bp ppriv_ptr1 114 115struct disk_params { 116 u_int8_t heads; 117 u_int8_t secs_per_track; 118 u_int32_t cylinders; 119 u_int32_t secsize; /* Number of bytes/logical sector */ 120 u_int64_t sectors; /* Total number sectors */ 121}; 122 123#define TRIM_MAX_BLOCKS 8 124#define TRIM_MAX_RANGES (TRIM_MAX_BLOCKS * ATA_DSM_BLK_RANGES) 125struct trim_request { 126 uint8_t data[TRIM_MAX_RANGES * ATA_DSM_RANGE_SIZE]; 127 TAILQ_HEAD(, bio) bps; 128}; 129 130struct ada_softc { 131 struct bio_queue_head bio_queue; 132 struct bio_queue_head trim_queue; 133 int outstanding_cmds; /* Number of active commands */ 134 int refcount; /* Active xpt_action() calls */ 135 ada_state state; 136 ada_flags flags; 137 ada_quirks quirks; 138 int sort_io_queue; 139 int trim_max_ranges; 140 int trim_running; 141 int read_ahead; 142 int write_cache; 143#ifdef ADA_TEST_FAILURE 144 int force_read_error; 145 int force_write_error; 146 int periodic_read_error; 147 int periodic_read_count; 148#endif 149 struct disk_params params; 150 struct disk *disk; 151 struct task sysctl_task; 152 struct sysctl_ctx_list sysctl_ctx; 153 struct sysctl_oid *sysctl_tree; 154 struct callout sendordered_c; 155 struct trim_request trim_req; 156}; 157 158struct ada_quirk_entry { 159 struct scsi_inquiry_pattern inq_pat; 160 ada_quirks quirks; 161}; 162 163static struct ada_quirk_entry ada_quirk_table[] = 164{ 165 { 166 /* Hitachi Advanced Format (4k) drives */ 167 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Hitachi H??????????E3*", "*" }, 168 /*quirks*/ADA_Q_4K 169 }, 170 { 171 /* Samsung Advanced Format (4k) drives */ 172 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD155UI*", "*" }, 173 /*quirks*/ADA_Q_4K 174 }, 175 { 176 /* Samsung Advanced Format (4k) drives */ 177 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD204UI*", "*" }, 178 /*quirks*/ADA_Q_4K 179 }, 180 { 181 /* Seagate Barracuda Green Advanced Format (4k) drives */ 182 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DL*", "*" }, 183 /*quirks*/ADA_Q_4K 184 }, 185 { 186 /* Seagate Barracuda Advanced Format (4k) drives */ 187 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???DM*", "*" }, 188 /*quirks*/ADA_Q_4K 189 }, 190 { 191 /* Seagate Barracuda Advanced Format (4k) drives */ 192 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DM*", "*" }, 193 /*quirks*/ADA_Q_4K 194 }, 195 { 196 /* Seagate Momentus Advanced Format (4k) drives */ 197 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500423AS*", "*" }, 198 /*quirks*/ADA_Q_4K 199 }, 200 { 201 /* Seagate Momentus Advanced Format (4k) drives */ 202 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500424AS*", "*" }, 203 /*quirks*/ADA_Q_4K 204 }, 205 { 206 /* Seagate Momentus Advanced Format (4k) drives */ 207 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640423AS*", "*" }, 208 /*quirks*/ADA_Q_4K 209 }, 210 { 211 /* Seagate Momentus Advanced Format (4k) drives */ 212 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640424AS*", "*" }, 213 /*quirks*/ADA_Q_4K 214 }, 215 { 216 /* Seagate Momentus Advanced Format (4k) drives */ 217 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750420AS*", "*" }, 218 /*quirks*/ADA_Q_4K 219 }, 220 { 221 /* Seagate Momentus Advanced Format (4k) drives */ 222 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750422AS*", "*" }, 223 /*quirks*/ADA_Q_4K 224 }, 225 { 226 /* Seagate Momentus Advanced Format (4k) drives */ 227 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750423AS*", "*" }, 228 /*quirks*/ADA_Q_4K 229 }, 230 { 231 /* Seagate Momentus Thin Advanced Format (4k) drives */ 232 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???LT*", "*" }, 233 /*quirks*/ADA_Q_4K 234 }, 235 { 236 /* WDC Caviar Green Advanced Format (4k) drives */ 237 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RS*", "*" }, 238 /*quirks*/ADA_Q_4K 239 }, 240 { 241 /* WDC Caviar Green Advanced Format (4k) drives */ 242 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RX*", "*" }, 243 /*quirks*/ADA_Q_4K 244 }, 245 { 246 /* WDC Caviar Green Advanced Format (4k) drives */ 247 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RS*", "*" }, 248 /*quirks*/ADA_Q_4K 249 }, 250 { 251 /* WDC Caviar Green Advanced Format (4k) drives */ 252 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RX*", "*" }, 253 /*quirks*/ADA_Q_4K 254 }, 255 { 256 /* WDC Scorpio Black Advanced Format (4k) drives */ 257 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PKT*", "*" }, 258 /*quirks*/ADA_Q_4K 259 }, 260 { 261 /* WDC Scorpio Black Advanced Format (4k) drives */ 262 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PKT*", "*" }, 263 /*quirks*/ADA_Q_4K 264 }, 265 { 266 /* WDC Scorpio Blue Advanced Format (4k) drives */ 267 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PVT*", "*" }, 268 /*quirks*/ADA_Q_4K 269 }, 270 { 271 /* WDC Scorpio Blue Advanced Format (4k) drives */ 272 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PVT*", "*" }, 273 /*quirks*/ADA_Q_4K 274 }, 275 /* SSDs */ 276 { 277 /* 278 * Corsair Force 2 SSDs 279 * 4k optimised & trim only works in 4k requests + 4k aligned 280 */ 281 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair CSSD-F*", "*" }, 282 /*quirks*/ADA_Q_4K 283 }, 284 { 285 /* 286 * Corsair Force 3 SSDs 287 * 4k optimised & trim only works in 4k requests + 4k aligned 288 */ 289 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force 3*", "*" }, 290 /*quirks*/ADA_Q_4K 291 }, 292 { 293 /* 294 * Corsair Neutron GTX SSDs 295 * 4k optimised & trim only works in 4k requests + 4k aligned 296 */ 297 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" }, 298 /*quirks*/ADA_Q_4K 299 }, 300 { 301 /* 302 * Corsair Force GT SSDs 303 * 4k optimised & trim only works in 4k requests + 4k aligned 304 */ 305 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force GT*", "*" }, 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 * SuperTalent TeraDrive CT SSDs 447 * 4k optimised & trim only works in 4k requests + 4k aligned 448 */ 449 { T_DIRECT, SIP_MEDIA_FIXED, "*", "FTM??CT25H*", "*" }, 450 /*quirks*/ADA_Q_4K 451 }, 452 { 453 /* 454 * XceedIOPS SATA SSDs 455 * 4k optimised 456 */ 457 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SG9XCS2D*", "*" }, 458 /*quirks*/ADA_Q_4K 459 }, 460 { 461 /* Default */ 462 { 463 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 464 /*vendor*/"*", /*product*/"*", /*revision*/"*" 465 }, 466 /*quirks*/0 467 }, 468}; 469 470static disk_strategy_t adastrategy; 471static dumper_t adadump; 472static periph_init_t adainit; 473static void adaasync(void *callback_arg, u_int32_t code, 474 struct cam_path *path, void *arg); 475static void adasysctlinit(void *context, int pending); 476static periph_ctor_t adaregister; 477static periph_dtor_t adacleanup; 478static periph_start_t adastart; 479static periph_oninv_t adaoninvalidate; 480static void adadone(struct cam_periph *periph, 481 union ccb *done_ccb); 482static int adaerror(union ccb *ccb, u_int32_t cam_flags, 483 u_int32_t sense_flags); 484static void adagetparams(struct cam_periph *periph, 485 struct ccb_getdev *cgd); 486static timeout_t adasendorderedtag; 487static void adashutdown(void *arg, int howto); 488static void adasuspend(void *arg); 489static void adaresume(void *arg); 490 491#ifndef ADA_DEFAULT_LEGACY_ALIASES 492#define ADA_DEFAULT_LEGACY_ALIASES 1 493#endif 494 495#ifndef ADA_DEFAULT_TIMEOUT 496#define ADA_DEFAULT_TIMEOUT 30 /* Timeout in seconds */ 497#endif 498 499#ifndef ADA_DEFAULT_RETRY 500#define ADA_DEFAULT_RETRY 4 501#endif 502 503#ifndef ADA_DEFAULT_SEND_ORDERED 504#define ADA_DEFAULT_SEND_ORDERED 1 505#endif 506 507#ifndef ADA_DEFAULT_SPINDOWN_SHUTDOWN 508#define ADA_DEFAULT_SPINDOWN_SHUTDOWN 1 509#endif 510 511#ifndef ADA_DEFAULT_SPINDOWN_SUSPEND 512#define ADA_DEFAULT_SPINDOWN_SUSPEND 1 513#endif 514 515#ifndef ADA_DEFAULT_READ_AHEAD 516#define ADA_DEFAULT_READ_AHEAD 1 517#endif 518 519#ifndef ADA_DEFAULT_WRITE_CACHE 520#define ADA_DEFAULT_WRITE_CACHE 1 521#endif 522 523#define ADA_RA (softc->read_ahead >= 0 ? \ 524 softc->read_ahead : ada_read_ahead) 525#define ADA_WC (softc->write_cache >= 0 ? \ 526 softc->write_cache : ada_write_cache) 527#define ADA_SIO (softc->sort_io_queue >= 0 ? \ 528 softc->sort_io_queue : cam_sort_io_queues) 529 530/* 531 * Most platforms map firmware geometry to actual, but some don't. If 532 * not overridden, default to nothing. 533 */ 534#ifndef ata_disk_firmware_geom_adjust 535#define ata_disk_firmware_geom_adjust(disk) 536#endif 537 538static int ada_legacy_aliases = ADA_DEFAULT_LEGACY_ALIASES; 539static int ada_retry_count = ADA_DEFAULT_RETRY; 540static int ada_default_timeout = ADA_DEFAULT_TIMEOUT; 541static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED; 542static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN; 543static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND; 544static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD; 545static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE; 546 547static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD, 0, 548 "CAM Direct Access Disk driver"); 549SYSCTL_INT(_kern_cam_ada, OID_AUTO, legacy_aliases, CTLFLAG_RW, 550 &ada_legacy_aliases, 0, "Create legacy-like device aliases"); 551TUNABLE_INT("kern.cam.ada.legacy_aliases", &ada_legacy_aliases); 552SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RW, 553 &ada_retry_count, 0, "Normal I/O retry count"); 554TUNABLE_INT("kern.cam.ada.retry_count", &ada_retry_count); 555SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RW, 556 &ada_default_timeout, 0, "Normal I/O timeout (in seconds)"); 557TUNABLE_INT("kern.cam.ada.default_timeout", &ada_default_timeout); 558SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RW, 559 &ada_send_ordered, 0, "Send Ordered Tags"); 560TUNABLE_INT("kern.cam.ada.send_ordered", &ada_send_ordered); 561SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RW, 562 &ada_spindown_shutdown, 0, "Spin down upon shutdown"); 563TUNABLE_INT("kern.cam.ada.spindown_shutdown", &ada_spindown_shutdown); 564SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RW, 565 &ada_spindown_suspend, 0, "Spin down upon suspend"); 566TUNABLE_INT("kern.cam.ada.spindown_suspend", &ada_spindown_suspend); 567SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RW, 568 &ada_read_ahead, 0, "Enable disk read-ahead"); 569TUNABLE_INT("kern.cam.ada.read_ahead", &ada_read_ahead); 570SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RW, 571 &ada_write_cache, 0, "Enable disk write cache"); 572TUNABLE_INT("kern.cam.ada.write_cache", &ada_write_cache); 573 574/* 575 * ADA_ORDEREDTAG_INTERVAL determines how often, relative 576 * to the default timeout, we check to see whether an ordered 577 * tagged transaction is appropriate to prevent simple tag 578 * starvation. Since we'd like to ensure that there is at least 579 * 1/2 of the timeout length left for a starved transaction to 580 * complete after we've sent an ordered tag, we must poll at least 581 * four times in every timeout period. This takes care of the worst 582 * case where a starved transaction starts during an interval that 583 * meets the requirement "don't send an ordered tag" test so it takes 584 * us two intervals to determine that a tag must be sent. 585 */ 586#ifndef ADA_ORDEREDTAG_INTERVAL 587#define ADA_ORDEREDTAG_INTERVAL 4 588#endif 589 590static struct periph_driver adadriver = 591{ 592 adainit, "ada", 593 TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0 594}; 595 596PERIPHDRIVER_DECLARE(ada, adadriver); 597 598static MALLOC_DEFINE(M_ATADA, "ata_da", "ata_da buffers"); 599 600static int 601adaopen(struct disk *dp) 602{ 603 struct cam_periph *periph; 604 struct ada_softc *softc; 605 int error; 606 607 periph = (struct cam_periph *)dp->d_drv1; 608 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 609 return(ENXIO); 610 } 611 612 cam_periph_lock(periph); 613 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 614 cam_periph_unlock(periph); 615 cam_periph_release(periph); 616 return (error); 617 } 618 619 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 620 ("adaopen\n")); 621 622 softc = (struct ada_softc *)periph->softc; 623 softc->flags |= ADA_FLAG_OPEN; 624 625 cam_periph_unhold(periph); 626 cam_periph_unlock(periph); 627 return (0); 628} 629 630static int 631adaclose(struct disk *dp) 632{ 633 struct cam_periph *periph; 634 struct ada_softc *softc; 635 union ccb *ccb; 636 int error; 637 638 periph = (struct cam_periph *)dp->d_drv1; 639 softc = (struct ada_softc *)periph->softc; 640 cam_periph_lock(periph); 641 642 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 643 ("adaclose\n")); 644 645 /* We only sync the cache if the drive is capable of it. */ 646 if ((softc->flags & ADA_FLAG_DIRTY) != 0 && 647 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 && 648 (periph->flags & CAM_PERIPH_INVALID) == 0 && 649 cam_periph_hold(periph, PRIBIO) == 0) { 650 651 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 652 cam_fill_ataio(&ccb->ataio, 653 1, 654 adadone, 655 CAM_DIR_NONE, 656 0, 657 NULL, 658 0, 659 ada_default_timeout*1000); 660 661 if (softc->flags & ADA_FLAG_CAN_48BIT) 662 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 663 else 664 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 665 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 666 /*sense_flags*/0, softc->disk->d_devstat); 667 668 if (error != 0) 669 xpt_print(periph->path, "Synchronize cache failed\n"); 670 else 671 softc->flags &= ~ADA_FLAG_DIRTY; 672 xpt_release_ccb(ccb); 673 cam_periph_unhold(periph); 674 } 675 676 softc->flags &= ~ADA_FLAG_OPEN; 677 678 while (softc->refcount != 0) 679 cam_periph_sleep(periph, &softc->refcount, PRIBIO, "adaclose", 1); 680 cam_periph_unlock(periph); 681 cam_periph_release(periph); 682 return (0); 683} 684 685static void 686adaschedule(struct cam_periph *periph) 687{ 688 struct ada_softc *softc = (struct ada_softc *)periph->softc; 689 690 if (softc->state != ADA_STATE_NORMAL) 691 return; 692 693 /* Check if we have more work to do. */ 694 if (bioq_first(&softc->bio_queue) || 695 (!softc->trim_running && bioq_first(&softc->trim_queue))) { 696 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 697 } 698} 699 700/* 701 * Actually translate the requested transfer into one the physical driver 702 * can understand. The transfer is described by a buf and will include 703 * only one physical transfer. 704 */ 705static void 706adastrategy(struct bio *bp) 707{ 708 struct cam_periph *periph; 709 struct ada_softc *softc; 710 711 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 712 softc = (struct ada_softc *)periph->softc; 713 714 cam_periph_lock(periph); 715 716 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp)); 717 718 /* 719 * If the device has been made invalid, error out 720 */ 721 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 722 cam_periph_unlock(periph); 723 biofinish(bp, NULL, ENXIO); 724 return; 725 } 726 727 /* 728 * Place it in the queue of disk activities for this disk 729 */ 730 if (bp->bio_cmd == BIO_DELETE && 731 (softc->flags & ADA_FLAG_CAN_TRIM)) { 732 if (ADA_SIO) 733 bioq_disksort(&softc->trim_queue, bp); 734 else 735 bioq_insert_tail(&softc->trim_queue, bp); 736 } else { 737 if (ADA_SIO) 738 bioq_disksort(&softc->bio_queue, bp); 739 else 740 bioq_insert_tail(&softc->bio_queue, bp); 741 } 742 743 /* 744 * Schedule ourselves for performing the work. 745 */ 746 adaschedule(periph); 747 cam_periph_unlock(periph); 748 749 return; 750} 751 752static int 753adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 754{ 755 struct cam_periph *periph; 756 struct ada_softc *softc; 757 u_int secsize; 758 union ccb ccb; 759 struct disk *dp; 760 uint64_t lba; 761 uint16_t count; 762 int error = 0; 763 764 dp = arg; 765 periph = dp->d_drv1; 766 softc = (struct ada_softc *)periph->softc; 767 cam_periph_lock(periph); 768 secsize = softc->params.secsize; 769 lba = offset / secsize; 770 count = length / secsize; 771 772 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 773 cam_periph_unlock(periph); 774 return (ENXIO); 775 } 776 777 if (length > 0) { 778 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 779 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 780 cam_fill_ataio(&ccb.ataio, 781 0, 782 adadone, 783 CAM_DIR_OUT, 784 0, 785 (u_int8_t *) virtual, 786 length, 787 ada_default_timeout*1000); 788 if ((softc->flags & ADA_FLAG_CAN_48BIT) && 789 (lba + count >= ATA_MAX_28BIT_LBA || 790 count >= 256)) { 791 ata_48bit_cmd(&ccb.ataio, ATA_WRITE_DMA48, 792 0, lba, count); 793 } else { 794 ata_28bit_cmd(&ccb.ataio, ATA_WRITE_DMA, 795 0, lba, count); 796 } 797 xpt_polled_action(&ccb); 798 799 error = cam_periph_error(&ccb, 800 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 801 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 802 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 803 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 804 if (error != 0) 805 printf("Aborting dump due to I/O error.\n"); 806 807 cam_periph_unlock(periph); 808 return (error); 809 } 810 811 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { 812 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 813 814 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 815 cam_fill_ataio(&ccb.ataio, 816 0, 817 adadone, 818 CAM_DIR_NONE, 819 0, 820 NULL, 821 0, 822 ada_default_timeout*1000); 823 824 if (softc->flags & ADA_FLAG_CAN_48BIT) 825 ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); 826 else 827 ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); 828 xpt_polled_action(&ccb); 829 830 error = cam_periph_error(&ccb, 831 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 832 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 833 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 834 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 835 if (error != 0) 836 xpt_print(periph->path, "Synchronize cache failed\n"); 837 } 838 cam_periph_unlock(periph); 839 return (error); 840} 841 842static void 843adainit(void) 844{ 845 cam_status status; 846 847 /* 848 * Install a global async callback. This callback will 849 * receive async callbacks like "new device found". 850 */ 851 status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL); 852 853 if (status != CAM_REQ_CMP) { 854 printf("ada: Failed to attach master async callback " 855 "due to status 0x%x!\n", status); 856 } else if (ada_send_ordered) { 857 858 /* Register our event handlers */ 859 if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend, 860 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 861 printf("adainit: power event registration failed!\n"); 862 if ((EVENTHANDLER_REGISTER(power_resume, adaresume, 863 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 864 printf("adainit: power event registration failed!\n"); 865 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown, 866 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 867 printf("adainit: shutdown event registration failed!\n"); 868 } 869} 870 871/* 872 * Callback from GEOM, called when it has finished cleaning up its 873 * resources. 874 */ 875static void 876adadiskgonecb(struct disk *dp) 877{ 878 struct cam_periph *periph; 879 880 periph = (struct cam_periph *)dp->d_drv1; 881 882 cam_periph_release(periph); 883} 884 885static void 886adaoninvalidate(struct cam_periph *periph) 887{ 888 struct ada_softc *softc; 889 890 softc = (struct ada_softc *)periph->softc; 891 892 /* 893 * De-register any async callbacks. 894 */ 895 xpt_register_async(0, adaasync, periph, periph->path); 896 897 /* 898 * Return all queued I/O with ENXIO. 899 * XXX Handle any transactions queued to the card 900 * with XPT_ABORT_CCB. 901 */ 902 bioq_flush(&softc->bio_queue, NULL, ENXIO); 903 bioq_flush(&softc->trim_queue, NULL, ENXIO); 904 905 disk_gone(softc->disk); 906} 907 908static void 909adacleanup(struct cam_periph *periph) 910{ 911 struct ada_softc *softc; 912 913 softc = (struct ada_softc *)periph->softc; 914 915 cam_periph_unlock(periph); 916 917 /* 918 * If we can't free the sysctl tree, oh well... 919 */ 920 if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0 921 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 922 xpt_print(periph->path, "can't remove sysctl context\n"); 923 } 924 925 disk_destroy(softc->disk); 926 callout_drain(&softc->sendordered_c); 927 free(softc, M_DEVBUF); 928 cam_periph_lock(periph); 929} 930 931static void 932adaasync(void *callback_arg, u_int32_t code, 933 struct cam_path *path, void *arg) 934{ 935 struct ccb_getdev cgd; 936 struct cam_periph *periph; 937 struct ada_softc *softc; 938 939 periph = (struct cam_periph *)callback_arg; 940 switch (code) { 941 case AC_FOUND_DEVICE: 942 { 943 struct ccb_getdev *cgd; 944 cam_status status; 945 946 cgd = (struct ccb_getdev *)arg; 947 if (cgd == NULL) 948 break; 949 950 if (cgd->protocol != PROTO_ATA) 951 break; 952 953 /* 954 * Allocate a peripheral instance for 955 * this device and start the probe 956 * process. 957 */ 958 status = cam_periph_alloc(adaregister, adaoninvalidate, 959 adacleanup, adastart, 960 "ada", CAM_PERIPH_BIO, 961 path, adaasync, 962 AC_FOUND_DEVICE, cgd); 963 964 if (status != CAM_REQ_CMP 965 && status != CAM_REQ_INPROG) 966 printf("adaasync: Unable to attach to new device " 967 "due to status 0x%x\n", status); 968 break; 969 } 970 case AC_GETDEV_CHANGED: 971 { 972 softc = (struct ada_softc *)periph->softc; 973 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 974 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 975 xpt_action((union ccb *)&cgd); 976 977 if ((cgd.ident_data.capabilities1 & ATA_SUPPORT_DMA) && 978 (cgd.inq_flags & SID_DMA)) 979 softc->flags |= ADA_FLAG_CAN_DMA; 980 else 981 softc->flags &= ~ADA_FLAG_CAN_DMA; 982 if (cgd.ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 983 softc->flags |= ADA_FLAG_CAN_48BIT; 984 if (cgd.inq_flags & SID_DMA48) 985 softc->flags |= ADA_FLAG_CAN_DMA48; 986 else 987 softc->flags &= ~ADA_FLAG_CAN_DMA48; 988 } else 989 softc->flags &= ~(ADA_FLAG_CAN_48BIT | 990 ADA_FLAG_CAN_DMA48); 991 if ((cgd.ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 992 (cgd.inq_flags & SID_DMA) && (cgd.inq_flags & SID_CmdQue)) 993 softc->flags |= ADA_FLAG_CAN_NCQ; 994 else 995 softc->flags &= ~ADA_FLAG_CAN_NCQ; 996 if ((cgd.ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 997 (cgd.inq_flags & SID_DMA)) 998 softc->flags |= ADA_FLAG_CAN_TRIM; 999 else 1000 softc->flags &= ~ADA_FLAG_CAN_TRIM; 1001 1002 cam_periph_async(periph, code, path, arg); 1003 break; 1004 } 1005 case AC_ADVINFO_CHANGED: 1006 { 1007 uintptr_t buftype; 1008 1009 buftype = (uintptr_t)arg; 1010 if (buftype == CDAI_TYPE_PHYS_PATH) { 1011 struct ada_softc *softc; 1012 1013 softc = periph->softc; 1014 disk_attr_changed(softc->disk, "GEOM::physpath", 1015 M_NOWAIT); 1016 } 1017 break; 1018 } 1019 case AC_SENT_BDR: 1020 case AC_BUS_RESET: 1021 { 1022 softc = (struct ada_softc *)periph->softc; 1023 cam_periph_async(periph, code, path, arg); 1024 if (softc->state != ADA_STATE_NORMAL) 1025 break; 1026 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1027 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1028 xpt_action((union ccb *)&cgd); 1029 if (ADA_RA >= 0 && 1030 cgd.ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) 1031 softc->state = ADA_STATE_RAHEAD; 1032 else if (ADA_WC >= 0 && 1033 cgd.ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) 1034 softc->state = ADA_STATE_WCACHE; 1035 else 1036 break; 1037 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1038 softc->state = ADA_STATE_NORMAL; 1039 else 1040 xpt_schedule(periph, CAM_PRIORITY_DEV); 1041 } 1042 default: 1043 cam_periph_async(periph, code, path, arg); 1044 break; 1045 } 1046} 1047 1048static void 1049adasysctlinit(void *context, int pending) 1050{ 1051 struct cam_periph *periph; 1052 struct ada_softc *softc; 1053 char tmpstr[80], tmpstr2[80]; 1054 1055 periph = (struct cam_periph *)context; 1056 1057 /* periph was held for us when this task was enqueued */ 1058 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1059 cam_periph_release(periph); 1060 return; 1061 } 1062 1063 softc = (struct ada_softc *)periph->softc; 1064 snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d", periph->unit_number); 1065 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1066 1067 sysctl_ctx_init(&softc->sysctl_ctx); 1068 softc->flags |= ADA_FLAG_SCTX_INIT; 1069 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1070 SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2, 1071 CTLFLAG_RD, 0, tmpstr); 1072 if (softc->sysctl_tree == NULL) { 1073 printf("adasysctlinit: unable to allocate sysctl tree\n"); 1074 cam_periph_release(periph); 1075 return; 1076 } 1077 1078 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1079 OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE, 1080 &softc->read_ahead, 0, "Enable disk read ahead."); 1081 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1082 OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE, 1083 &softc->write_cache, 0, "Enable disk write cache."); 1084 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1085 OID_AUTO, "sort_io_queue", CTLFLAG_RW | CTLFLAG_MPSAFE, 1086 &softc->sort_io_queue, 0, 1087 "Sort IO queue to try and optimise disk access patterns"); 1088#ifdef ADA_TEST_FAILURE 1089 /* 1090 * Add a 'door bell' sysctl which allows one to set it from userland 1091 * and cause something bad to happen. For the moment, we only allow 1092 * whacking the next read or write. 1093 */ 1094 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1095 OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1096 &softc->force_read_error, 0, 1097 "Force a read error for the next N reads."); 1098 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1099 OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1100 &softc->force_write_error, 0, 1101 "Force a write error for the next N writes."); 1102 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1103 OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1104 &softc->periodic_read_error, 0, 1105 "Force a read error every N reads (don't set too low)."); 1106#endif 1107 cam_periph_release(periph); 1108} 1109 1110static int 1111adagetattr(struct bio *bp) 1112{ 1113 int ret; 1114 struct cam_periph *periph; 1115 1116 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1117 cam_periph_lock(periph); 1118 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1119 periph->path); 1120 cam_periph_unlock(periph); 1121 if (ret == 0) 1122 bp->bio_completed = bp->bio_length; 1123 return ret; 1124} 1125 1126static cam_status 1127adaregister(struct cam_periph *periph, void *arg) 1128{ 1129 struct ada_softc *softc; 1130 struct ccb_pathinq cpi; 1131 struct ccb_getdev *cgd; 1132 char announce_buf[80], buf1[32]; 1133 struct disk_params *dp; 1134 caddr_t match; 1135 u_int maxio; 1136 int legacy_id, quirks; 1137 1138 cgd = (struct ccb_getdev *)arg; 1139 if (cgd == NULL) { 1140 printf("adaregister: no getdev CCB, can't register device\n"); 1141 return(CAM_REQ_CMP_ERR); 1142 } 1143 1144 softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF, 1145 M_NOWAIT|M_ZERO); 1146 1147 if (softc == NULL) { 1148 printf("adaregister: Unable to probe new device. " 1149 "Unable to allocate softc\n"); 1150 return(CAM_REQ_CMP_ERR); 1151 } 1152 1153 bioq_init(&softc->bio_queue); 1154 bioq_init(&softc->trim_queue); 1155 1156 if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1157 (cgd->inq_flags & SID_DMA)) 1158 softc->flags |= ADA_FLAG_CAN_DMA; 1159 if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1160 softc->flags |= ADA_FLAG_CAN_48BIT; 1161 if (cgd->inq_flags & SID_DMA48) 1162 softc->flags |= ADA_FLAG_CAN_DMA48; 1163 } 1164 if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE) 1165 softc->flags |= ADA_FLAG_CAN_FLUSHCACHE; 1166 if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT) 1167 softc->flags |= ADA_FLAG_CAN_POWERMGT; 1168 if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1169 (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue)) 1170 softc->flags |= ADA_FLAG_CAN_NCQ; 1171 if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1172 (cgd->inq_flags & SID_DMA)) { 1173 softc->flags |= ADA_FLAG_CAN_TRIM; 1174 softc->trim_max_ranges = TRIM_MAX_RANGES; 1175 if (cgd->ident_data.max_dsm_blocks != 0) { 1176 softc->trim_max_ranges = 1177 min(cgd->ident_data.max_dsm_blocks * 1178 ATA_DSM_BLK_RANGES, softc->trim_max_ranges); 1179 } 1180 } 1181 if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA) 1182 softc->flags |= ADA_FLAG_CAN_CFA; 1183 1184 periph->softc = softc; 1185 1186 /* 1187 * See if this device has any quirks. 1188 */ 1189 match = cam_quirkmatch((caddr_t)&cgd->ident_data, 1190 (caddr_t)ada_quirk_table, 1191 sizeof(ada_quirk_table)/sizeof(*ada_quirk_table), 1192 sizeof(*ada_quirk_table), ata_identify_match); 1193 if (match != NULL) 1194 softc->quirks = ((struct ada_quirk_entry *)match)->quirks; 1195 else 1196 softc->quirks = ADA_Q_NONE; 1197 1198 bzero(&cpi, sizeof(cpi)); 1199 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 1200 cpi.ccb_h.func_code = XPT_PATH_INQ; 1201 xpt_action((union ccb *)&cpi); 1202 1203 TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph); 1204 1205 /* 1206 * Register this media as a disk 1207 */ 1208 (void)cam_periph_hold(periph, PRIBIO); 1209 cam_periph_unlock(periph); 1210 snprintf(announce_buf, sizeof(announce_buf), 1211 "kern.cam.ada.%d.quirks", periph->unit_number); 1212 quirks = softc->quirks; 1213 TUNABLE_INT_FETCH(announce_buf, &quirks); 1214 softc->quirks = quirks; 1215 softc->read_ahead = -1; 1216 snprintf(announce_buf, sizeof(announce_buf), 1217 "kern.cam.ada.%d.read_ahead", periph->unit_number); 1218 TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead); 1219 softc->write_cache = -1; 1220 snprintf(announce_buf, sizeof(announce_buf), 1221 "kern.cam.ada.%d.write_cache", periph->unit_number); 1222 TUNABLE_INT_FETCH(announce_buf, &softc->write_cache); 1223 /* Disable queue sorting for non-rotational media by default. */ 1224 if (cgd->ident_data.media_rotation_rate == ATA_RATE_NON_ROTATING) 1225 softc->sort_io_queue = 0; 1226 else 1227 softc->sort_io_queue = -1; 1228 adagetparams(periph, cgd); 1229 softc->disk = disk_alloc(); 1230 softc->disk->d_rotation_rate = cgd->ident_data.media_rotation_rate; 1231 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1232 periph->unit_number, softc->params.secsize, 1233 DEVSTAT_ALL_SUPPORTED, 1234 DEVSTAT_TYPE_DIRECT | 1235 XPORT_DEVSTAT_TYPE(cpi.transport), 1236 DEVSTAT_PRIORITY_DISK); 1237 softc->disk->d_open = adaopen; 1238 softc->disk->d_close = adaclose; 1239 softc->disk->d_strategy = adastrategy; 1240 softc->disk->d_getattr = adagetattr; 1241 softc->disk->d_dump = adadump; 1242 softc->disk->d_gone = adadiskgonecb; 1243 softc->disk->d_name = "ada"; 1244 softc->disk->d_drv1 = periph; 1245 maxio = cpi.maxio; /* Honor max I/O size of SIM */ 1246 if (maxio == 0) 1247 maxio = DFLTPHYS; /* traditional default */ 1248 else if (maxio > MAXPHYS) 1249 maxio = MAXPHYS; /* for safety */ 1250 if (softc->flags & ADA_FLAG_CAN_48BIT) 1251 maxio = min(maxio, 65536 * softc->params.secsize); 1252 else /* 28bit ATA command limit */ 1253 maxio = min(maxio, 256 * softc->params.secsize); 1254 softc->disk->d_maxsize = maxio; 1255 softc->disk->d_unit = periph->unit_number; 1256 softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION; 1257 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) 1258 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1259 if (softc->flags & ADA_FLAG_CAN_TRIM) { 1260 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1261 softc->disk->d_delmaxsize = softc->params.secsize * 1262 ATA_DSM_RANGE_MAX * 1263 softc->trim_max_ranges; 1264 } else if ((softc->flags & ADA_FLAG_CAN_CFA) && 1265 !(softc->flags & ADA_FLAG_CAN_48BIT)) { 1266 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1267 softc->disk->d_delmaxsize = 256 * softc->params.secsize; 1268 } else 1269 softc->disk->d_delmaxsize = maxio; 1270 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) 1271 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 1272 strlcpy(softc->disk->d_descr, cgd->ident_data.model, 1273 MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model))); 1274 strlcpy(softc->disk->d_ident, cgd->ident_data.serial, 1275 MIN(sizeof(softc->disk->d_ident), sizeof(cgd->ident_data.serial))); 1276 softc->disk->d_hba_vendor = cpi.hba_vendor; 1277 softc->disk->d_hba_device = cpi.hba_device; 1278 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1279 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1280 1281 softc->disk->d_sectorsize = softc->params.secsize; 1282 softc->disk->d_mediasize = (off_t)softc->params.sectors * 1283 softc->params.secsize; 1284 if (ata_physical_sector_size(&cgd->ident_data) != 1285 softc->params.secsize) { 1286 softc->disk->d_stripesize = 1287 ata_physical_sector_size(&cgd->ident_data); 1288 softc->disk->d_stripeoffset = (softc->disk->d_stripesize - 1289 ata_logical_sector_offset(&cgd->ident_data)) % 1290 softc->disk->d_stripesize; 1291 } else if (softc->quirks & ADA_Q_4K) { 1292 softc->disk->d_stripesize = 4096; 1293 softc->disk->d_stripeoffset = 0; 1294 } 1295 softc->disk->d_fwsectors = softc->params.secs_per_track; 1296 softc->disk->d_fwheads = softc->params.heads; 1297 ata_disk_firmware_geom_adjust(softc->disk); 1298 1299 if (ada_legacy_aliases) { 1300#ifdef ATA_STATIC_ID 1301 legacy_id = xpt_path_legacy_ata_id(periph->path); 1302#else 1303 legacy_id = softc->disk->d_unit; 1304#endif 1305 if (legacy_id >= 0) { 1306 snprintf(announce_buf, sizeof(announce_buf), 1307 "kern.devalias.%s%d", 1308 softc->disk->d_name, softc->disk->d_unit); 1309 snprintf(buf1, sizeof(buf1), 1310 "ad%d", legacy_id); 1311 setenv(announce_buf, buf1); 1312 } 1313 } else 1314 legacy_id = -1; 1315 /* 1316 * Acquire a reference to the periph before we register with GEOM. 1317 * We'll release this reference once GEOM calls us back (via 1318 * adadiskgonecb()) telling us that our provider has been freed. 1319 */ 1320 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1321 xpt_print(periph->path, "%s: lost periph during " 1322 "registration!\n", __func__); 1323 cam_periph_lock(periph); 1324 return (CAM_REQ_CMP_ERR); 1325 } 1326 disk_create(softc->disk, DISK_VERSION); 1327 cam_periph_lock(periph); 1328 cam_periph_unhold(periph); 1329 1330 dp = &softc->params; 1331 snprintf(announce_buf, sizeof(announce_buf), 1332 "%juMB (%ju %u byte sectors: %dH %dS/T %dC)", 1333 (uintmax_t)(((uintmax_t)dp->secsize * 1334 dp->sectors) / (1024*1024)), 1335 (uintmax_t)dp->sectors, 1336 dp->secsize, dp->heads, 1337 dp->secs_per_track, dp->cylinders); 1338 xpt_announce_periph(periph, announce_buf); 1339 xpt_announce_quirks(periph, softc->quirks, ADA_Q_BIT_STRING); 1340 if (legacy_id >= 0) 1341 printf("%s%d: Previously was known as ad%d\n", 1342 periph->periph_name, periph->unit_number, legacy_id); 1343 1344 /* 1345 * Create our sysctl variables, now that we know 1346 * we have successfully attached. 1347 */ 1348 if (cam_periph_acquire(periph) == CAM_REQ_CMP) 1349 taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task); 1350 1351 /* 1352 * Add async callbacks for bus reset and 1353 * bus device reset calls. I don't bother 1354 * checking if this fails as, in most cases, 1355 * the system will function just fine without 1356 * them and the only alternative would be to 1357 * not attach the device on failure. 1358 */ 1359 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 1360 AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED, 1361 adaasync, periph, periph->path); 1362 1363 /* 1364 * Schedule a periodic event to occasionally send an 1365 * ordered tag to a device. 1366 */ 1367 callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0); 1368 callout_reset(&softc->sendordered_c, 1369 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1370 adasendorderedtag, softc); 1371 1372 if (ADA_RA >= 0 && 1373 cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) { 1374 softc->state = ADA_STATE_RAHEAD; 1375 } else if (ADA_WC >= 0 && 1376 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1377 softc->state = ADA_STATE_WCACHE; 1378 } else { 1379 softc->state = ADA_STATE_NORMAL; 1380 return(CAM_REQ_CMP); 1381 } 1382 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1383 softc->state = ADA_STATE_NORMAL; 1384 else 1385 xpt_schedule(periph, CAM_PRIORITY_DEV); 1386 return(CAM_REQ_CMP); 1387} 1388 1389static void 1390adastart(struct cam_periph *periph, union ccb *start_ccb) 1391{ 1392 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1393 struct ccb_ataio *ataio = &start_ccb->ataio; 1394 1395 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n")); 1396 1397 switch (softc->state) { 1398 case ADA_STATE_NORMAL: 1399 { 1400 struct bio *bp; 1401 u_int8_t tag_code; 1402 1403 /* Run TRIM if not running yet. */ 1404 if (!softc->trim_running && 1405 (bp = bioq_first(&softc->trim_queue)) != 0) { 1406 struct trim_request *req = &softc->trim_req; 1407 struct bio *bp1; 1408 uint64_t lastlba = (uint64_t)-1; 1409 int c, lastcount = 0, off, ranges = 0; 1410 1411 softc->trim_running = 1; 1412 bzero(req, sizeof(*req)); 1413 TAILQ_INIT(&req->bps); 1414 bp1 = bp; 1415 do { 1416 uint64_t lba = bp1->bio_pblkno; 1417 int count = bp1->bio_bcount / 1418 softc->params.secsize; 1419 1420 bioq_remove(&softc->trim_queue, bp1); 1421 1422 /* Try to extend the previous range. */ 1423 if (lba == lastlba) { 1424 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 1425 lastcount += c; 1426 off = (ranges - 1) * ATA_DSM_RANGE_SIZE; 1427 req->data[off + 6] = lastcount & 0xff; 1428 req->data[off + 7] = 1429 (lastcount >> 8) & 0xff; 1430 count -= c; 1431 lba += c; 1432 } 1433 1434 while (count > 0) { 1435 c = min(count, ATA_DSM_RANGE_MAX); 1436 off = ranges * ATA_DSM_RANGE_SIZE; 1437 req->data[off + 0] = lba & 0xff; 1438 req->data[off + 1] = (lba >> 8) & 0xff; 1439 req->data[off + 2] = (lba >> 16) & 0xff; 1440 req->data[off + 3] = (lba >> 24) & 0xff; 1441 req->data[off + 4] = (lba >> 32) & 0xff; 1442 req->data[off + 5] = (lba >> 40) & 0xff; 1443 req->data[off + 6] = c & 0xff; 1444 req->data[off + 7] = (c >> 8) & 0xff; 1445 lba += c; 1446 count -= c; 1447 lastcount = c; 1448 ranges++; 1449 /* 1450 * Its the caller's responsibility to ensure the 1451 * request will fit so we don't need to check for 1452 * overrun here 1453 */ 1454 } 1455 lastlba = lba; 1456 TAILQ_INSERT_TAIL(&req->bps, bp1, bio_queue); 1457 bp1 = bioq_first(&softc->trim_queue); 1458 if (bp1 == NULL || 1459 bp1->bio_bcount / softc->params.secsize > 1460 (softc->trim_max_ranges - ranges) * 1461 ATA_DSM_RANGE_MAX) 1462 break; 1463 } while (1); 1464 cam_fill_ataio(ataio, 1465 ada_retry_count, 1466 adadone, 1467 CAM_DIR_OUT, 1468 0, 1469 req->data, 1470 ((ranges + ATA_DSM_BLK_RANGES - 1) / 1471 ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE, 1472 ada_default_timeout * 1000); 1473 ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT, 1474 ATA_DSM_TRIM, 0, (ranges + ATA_DSM_BLK_RANGES - 1475 1) / ATA_DSM_BLK_RANGES); 1476 start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM; 1477 start_ccb->ccb_h.flags |= CAM_UNLOCKED; 1478 goto out; 1479 } 1480 /* Run regular command. */ 1481 bp = bioq_first(&softc->bio_queue); 1482 if (bp == NULL) { 1483 xpt_release_ccb(start_ccb); 1484 break; 1485 } 1486 bioq_remove(&softc->bio_queue, bp); 1487 1488 if ((bp->bio_flags & BIO_ORDERED) != 0 1489 || (softc->flags & ADA_FLAG_NEED_OTAG) != 0) { 1490 softc->flags &= ~ADA_FLAG_NEED_OTAG; 1491 softc->flags |= ADA_FLAG_WAS_OTAG; 1492 tag_code = 0; 1493 } else { 1494 tag_code = 1; 1495 } 1496 switch (bp->bio_cmd) { 1497 case BIO_WRITE: 1498 softc->flags |= ADA_FLAG_DIRTY; 1499 /* FALLTHROUGH */ 1500 case BIO_READ: 1501 { 1502 uint64_t lba = bp->bio_pblkno; 1503 uint16_t count = bp->bio_bcount / softc->params.secsize; 1504#ifdef ADA_TEST_FAILURE 1505 int fail = 0; 1506 1507 /* 1508 * Support the failure ioctls. If the command is a 1509 * read, and there are pending forced read errors, or 1510 * if a write and pending write errors, then fail this 1511 * operation with EIO. This is useful for testing 1512 * purposes. Also, support having every Nth read fail. 1513 * 1514 * This is a rather blunt tool. 1515 */ 1516 if (bp->bio_cmd == BIO_READ) { 1517 if (softc->force_read_error) { 1518 softc->force_read_error--; 1519 fail = 1; 1520 } 1521 if (softc->periodic_read_error > 0) { 1522 if (++softc->periodic_read_count >= 1523 softc->periodic_read_error) { 1524 softc->periodic_read_count = 0; 1525 fail = 1; 1526 } 1527 } 1528 } else { 1529 if (softc->force_write_error) { 1530 softc->force_write_error--; 1531 fail = 1; 1532 } 1533 } 1534 if (fail) { 1535 bp->bio_error = EIO; 1536 bp->bio_flags |= BIO_ERROR; 1537 biodone(bp); 1538 xpt_release_ccb(start_ccb); 1539 adaschedule(periph); 1540 return; 1541 } 1542#endif 1543 KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 || 1544 round_page(bp->bio_bcount + bp->bio_ma_offset) / 1545 PAGE_SIZE == bp->bio_ma_n, 1546 ("Short bio %p", bp)); 1547 cam_fill_ataio(ataio, 1548 ada_retry_count, 1549 adadone, 1550 (bp->bio_cmd == BIO_READ ? CAM_DIR_IN : 1551 CAM_DIR_OUT) | ((bp->bio_flags & BIO_UNMAPPED) 1552 != 0 ? CAM_DATA_BIO : 0), 1553 tag_code, 1554 ((bp->bio_flags & BIO_UNMAPPED) != 0) ? (void *)bp : 1555 bp->bio_data, 1556 bp->bio_bcount, 1557 ada_default_timeout*1000); 1558 1559 if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) { 1560 if (bp->bio_cmd == BIO_READ) { 1561 ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED, 1562 lba, count); 1563 } else { 1564 ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED, 1565 lba, count); 1566 } 1567 } else if ((softc->flags & ADA_FLAG_CAN_48BIT) && 1568 (lba + count >= ATA_MAX_28BIT_LBA || 1569 count > 256)) { 1570 if (softc->flags & ADA_FLAG_CAN_DMA48) { 1571 if (bp->bio_cmd == BIO_READ) { 1572 ata_48bit_cmd(ataio, ATA_READ_DMA48, 1573 0, lba, count); 1574 } else { 1575 ata_48bit_cmd(ataio, ATA_WRITE_DMA48, 1576 0, lba, count); 1577 } 1578 } else { 1579 if (bp->bio_cmd == BIO_READ) { 1580 ata_48bit_cmd(ataio, ATA_READ_MUL48, 1581 0, lba, count); 1582 } else { 1583 ata_48bit_cmd(ataio, ATA_WRITE_MUL48, 1584 0, lba, count); 1585 } 1586 } 1587 } else { 1588 if (count == 256) 1589 count = 0; 1590 if (softc->flags & ADA_FLAG_CAN_DMA) { 1591 if (bp->bio_cmd == BIO_READ) { 1592 ata_28bit_cmd(ataio, ATA_READ_DMA, 1593 0, lba, count); 1594 } else { 1595 ata_28bit_cmd(ataio, ATA_WRITE_DMA, 1596 0, lba, count); 1597 } 1598 } else { 1599 if (bp->bio_cmd == BIO_READ) { 1600 ata_28bit_cmd(ataio, ATA_READ_MUL, 1601 0, lba, count); 1602 } else { 1603 ata_28bit_cmd(ataio, ATA_WRITE_MUL, 1604 0, lba, count); 1605 } 1606 } 1607 } 1608 break; 1609 } 1610 case BIO_DELETE: 1611 { 1612 uint64_t lba = bp->bio_pblkno; 1613 uint16_t count = bp->bio_bcount / softc->params.secsize; 1614 1615 cam_fill_ataio(ataio, 1616 ada_retry_count, 1617 adadone, 1618 CAM_DIR_NONE, 1619 0, 1620 NULL, 1621 0, 1622 ada_default_timeout*1000); 1623 1624 if (count >= 256) 1625 count = 0; 1626 ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count); 1627 break; 1628 } 1629 case BIO_FLUSH: 1630 cam_fill_ataio(ataio, 1631 1, 1632 adadone, 1633 CAM_DIR_NONE, 1634 0, 1635 NULL, 1636 0, 1637 ada_default_timeout*1000); 1638 1639 if (softc->flags & ADA_FLAG_CAN_48BIT) 1640 ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1641 else 1642 ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0); 1643 break; 1644 } 1645 start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO; 1646 start_ccb->ccb_h.flags |= CAM_UNLOCKED; 1647out: 1648 start_ccb->ccb_h.ccb_bp = bp; 1649 softc->outstanding_cmds++; 1650 softc->refcount++; 1651 cam_periph_unlock(periph); 1652 xpt_action(start_ccb); 1653 cam_periph_lock(periph); 1654 softc->refcount--; 1655 1656 /* May have more work to do, so ensure we stay scheduled */ 1657 adaschedule(periph); 1658 break; 1659 } 1660 case ADA_STATE_RAHEAD: 1661 case ADA_STATE_WCACHE: 1662 { 1663 cam_fill_ataio(ataio, 1664 1, 1665 adadone, 1666 CAM_DIR_NONE, 1667 0, 1668 NULL, 1669 0, 1670 ada_default_timeout*1000); 1671 1672 if (softc->state == ADA_STATE_RAHEAD) { 1673 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ? 1674 ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0); 1675 start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD; 1676 } else { 1677 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ? 1678 ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0); 1679 start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE; 1680 } 1681 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1682 xpt_action(start_ccb); 1683 break; 1684 } 1685 } 1686} 1687 1688static void 1689adadone(struct cam_periph *periph, union ccb *done_ccb) 1690{ 1691 struct ada_softc *softc; 1692 struct ccb_ataio *ataio; 1693 struct ccb_getdev *cgd; 1694 struct cam_path *path; 1695 int state; 1696 1697 softc = (struct ada_softc *)periph->softc; 1698 ataio = &done_ccb->ataio; 1699 path = done_ccb->ccb_h.path; 1700 1701 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n")); 1702 1703 state = ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK; 1704 switch (state) { 1705 case ADA_CCB_BUFFER_IO: 1706 case ADA_CCB_TRIM: 1707 { 1708 struct bio *bp; 1709 int error; 1710 1711 cam_periph_lock(periph); 1712 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1713 error = adaerror(done_ccb, 0, 0); 1714 if (error == ERESTART) { 1715 /* A retry was scheduled, so just return. */ 1716 cam_periph_unlock(periph); 1717 return; 1718 } 1719 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1720 cam_release_devq(path, 1721 /*relsim_flags*/0, 1722 /*reduction*/0, 1723 /*timeout*/0, 1724 /*getcount_only*/0); 1725 } else { 1726 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1727 panic("REQ_CMP with QFRZN"); 1728 error = 0; 1729 } 1730 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1731 bp->bio_error = error; 1732 if (error != 0) { 1733 bp->bio_resid = bp->bio_bcount; 1734 bp->bio_flags |= BIO_ERROR; 1735 } else { 1736 if (state == ADA_CCB_TRIM) 1737 bp->bio_resid = 0; 1738 else 1739 bp->bio_resid = ataio->resid; 1740 if (bp->bio_resid > 0) 1741 bp->bio_flags |= BIO_ERROR; 1742 } 1743 softc->outstanding_cmds--; 1744 if (softc->outstanding_cmds == 0) 1745 softc->flags |= ADA_FLAG_WAS_OTAG; 1746 xpt_release_ccb(done_ccb); 1747 if (state == ADA_CCB_TRIM) { 1748 TAILQ_HEAD(, bio) queue; 1749 struct bio *bp1; 1750 1751 TAILQ_INIT(&queue); 1752 TAILQ_CONCAT(&queue, &softc->trim_req.bps, bio_queue); 1753 softc->trim_running = 0; 1754 adaschedule(periph); 1755 cam_periph_unlock(periph); 1756 while ((bp1 = TAILQ_FIRST(&queue)) != NULL) { 1757 TAILQ_REMOVE(&queue, bp1, bio_queue); 1758 bp1->bio_error = error; 1759 if (error != 0) { 1760 bp1->bio_flags |= BIO_ERROR; 1761 bp1->bio_resid = bp1->bio_bcount; 1762 } else 1763 bp1->bio_resid = 0; 1764 biodone(bp1); 1765 } 1766 } else { 1767 cam_periph_unlock(periph); 1768 biodone(bp); 1769 } 1770 return; 1771 } 1772 case ADA_CCB_RAHEAD: 1773 { 1774 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1775 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1776out: 1777 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1778 cam_release_devq(path, 0, 0, 0, FALSE); 1779 return; 1780 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1781 cam_release_devq(path, 1782 /*relsim_flags*/0, 1783 /*reduction*/0, 1784 /*timeout*/0, 1785 /*getcount_only*/0); 1786 } 1787 } 1788 1789 /* 1790 * Since our peripheral may be invalidated by an error 1791 * above or an external event, we must release our CCB 1792 * before releasing the reference on the peripheral. 1793 * The peripheral will only go away once the last reference 1794 * is removed, and we need it around for the CCB release 1795 * operation. 1796 */ 1797 cgd = (struct ccb_getdev *)done_ccb; 1798 xpt_setup_ccb(&cgd->ccb_h, path, CAM_PRIORITY_NORMAL); 1799 cgd->ccb_h.func_code = XPT_GDEV_TYPE; 1800 xpt_action((union ccb *)cgd); 1801 if (ADA_WC >= 0 && 1802 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1803 softc->state = ADA_STATE_WCACHE; 1804 xpt_release_ccb(done_ccb); 1805 xpt_schedule(periph, CAM_PRIORITY_DEV); 1806 goto out; 1807 } 1808 softc->state = ADA_STATE_NORMAL; 1809 xpt_release_ccb(done_ccb); 1810 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1811 cam_release_devq(path, 0, 0, 0, FALSE); 1812 adaschedule(periph); 1813 cam_periph_release_locked(periph); 1814 return; 1815 } 1816 case ADA_CCB_WCACHE: 1817 { 1818 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1819 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1820 goto out; 1821 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1822 cam_release_devq(path, 1823 /*relsim_flags*/0, 1824 /*reduction*/0, 1825 /*timeout*/0, 1826 /*getcount_only*/0); 1827 } 1828 } 1829 1830 softc->state = ADA_STATE_NORMAL; 1831 /* 1832 * Since our peripheral may be invalidated by an error 1833 * above or an external event, we must release our CCB 1834 * before releasing the reference on the peripheral. 1835 * The peripheral will only go away once the last reference 1836 * is removed, and we need it around for the CCB release 1837 * operation. 1838 */ 1839 xpt_release_ccb(done_ccb); 1840 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1841 cam_release_devq(path, 0, 0, 0, FALSE); 1842 adaschedule(periph); 1843 cam_periph_release_locked(periph); 1844 return; 1845 } 1846 case ADA_CCB_DUMP: 1847 /* No-op. We're polling */ 1848 return; 1849 default: 1850 break; 1851 } 1852 xpt_release_ccb(done_ccb); 1853} 1854 1855static int 1856adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1857{ 1858 1859 return(cam_periph_error(ccb, cam_flags, sense_flags, NULL)); 1860} 1861 1862static void 1863adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd) 1864{ 1865 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1866 struct disk_params *dp = &softc->params; 1867 u_int64_t lbasize48; 1868 u_int32_t lbasize; 1869 1870 dp->secsize = ata_logical_sector_size(&cgd->ident_data); 1871 if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) && 1872 cgd->ident_data.current_heads && cgd->ident_data.current_sectors) { 1873 dp->heads = cgd->ident_data.current_heads; 1874 dp->secs_per_track = cgd->ident_data.current_sectors; 1875 dp->cylinders = cgd->ident_data.cylinders; 1876 dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 | 1877 ((u_int32_t)cgd->ident_data.current_size_2 << 16); 1878 } else { 1879 dp->heads = cgd->ident_data.heads; 1880 dp->secs_per_track = cgd->ident_data.sectors; 1881 dp->cylinders = cgd->ident_data.cylinders; 1882 dp->sectors = cgd->ident_data.cylinders * dp->heads * dp->secs_per_track; 1883 } 1884 lbasize = (u_int32_t)cgd->ident_data.lba_size_1 | 1885 ((u_int32_t)cgd->ident_data.lba_size_2 << 16); 1886 1887 /* use the 28bit LBA size if valid or bigger than the CHS mapping */ 1888 if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize) 1889 dp->sectors = lbasize; 1890 1891 /* use the 48bit LBA size if valid */ 1892 lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) | 1893 ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) | 1894 ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) | 1895 ((u_int64_t)cgd->ident_data.lba_size48_4 << 48); 1896 if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) && 1897 lbasize48 > ATA_MAX_28BIT_LBA) 1898 dp->sectors = lbasize48; 1899} 1900 1901static void 1902adasendorderedtag(void *arg) 1903{ 1904 struct ada_softc *softc = arg; 1905 1906 if (ada_send_ordered) { 1907 if (softc->outstanding_cmds > 0) { 1908 if ((softc->flags & ADA_FLAG_WAS_OTAG) == 0) 1909 softc->flags |= ADA_FLAG_NEED_OTAG; 1910 softc->flags &= ~ADA_FLAG_WAS_OTAG; 1911 } 1912 } 1913 /* Queue us up again */ 1914 callout_reset(&softc->sendordered_c, 1915 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1916 adasendorderedtag, softc); 1917} 1918 1919/* 1920 * Step through all ADA peripheral drivers, and if the device is still open, 1921 * sync the disk cache to physical media. 1922 */ 1923static void 1924adaflush(void) 1925{ 1926 struct cam_periph *periph; 1927 struct ada_softc *softc; 1928 union ccb *ccb; 1929 int error; 1930 1931 CAM_PERIPH_FOREACH(periph, &adadriver) { 1932 softc = (struct ada_softc *)periph->softc; 1933 if (SCHEDULER_STOPPED()) { 1934 /* If we paniced with the lock held, do not recurse. */ 1935 if (!cam_periph_owned(periph) && 1936 (softc->flags & ADA_FLAG_OPEN)) { 1937 adadump(softc->disk, NULL, 0, 0, 0); 1938 } 1939 continue; 1940 } 1941 cam_periph_lock(periph); 1942 /* 1943 * We only sync the cache if the drive is still open, and 1944 * if the drive is capable of it.. 1945 */ 1946 if (((softc->flags & ADA_FLAG_OPEN) == 0) || 1947 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) { 1948 cam_periph_unlock(periph); 1949 continue; 1950 } 1951 1952 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1953 cam_fill_ataio(&ccb->ataio, 1954 0, 1955 adadone, 1956 CAM_DIR_NONE, 1957 0, 1958 NULL, 1959 0, 1960 ada_default_timeout*1000); 1961 if (softc->flags & ADA_FLAG_CAN_48BIT) 1962 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1963 else 1964 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 1965 1966 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 1967 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 1968 softc->disk->d_devstat); 1969 if (error != 0) 1970 xpt_print(periph->path, "Synchronize cache failed\n"); 1971 xpt_release_ccb(ccb); 1972 cam_periph_unlock(periph); 1973 } 1974} 1975 1976static void 1977adaspindown(uint8_t cmd, int flags) 1978{ 1979 struct cam_periph *periph; 1980 struct ada_softc *softc; 1981 union ccb *ccb; 1982 int error; 1983 1984 CAM_PERIPH_FOREACH(periph, &adadriver) { 1985 /* If we paniced with lock held - not recurse here. */ 1986 if (cam_periph_owned(periph)) 1987 continue; 1988 cam_periph_lock(periph); 1989 softc = (struct ada_softc *)periph->softc; 1990 /* 1991 * We only spin-down the drive if it is capable of it.. 1992 */ 1993 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 1994 cam_periph_unlock(periph); 1995 continue; 1996 } 1997 1998 if (bootverbose) 1999 xpt_print(periph->path, "spin-down\n"); 2000 2001 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2002 cam_fill_ataio(&ccb->ataio, 2003 0, 2004 adadone, 2005 CAM_DIR_NONE | flags, 2006 0, 2007 NULL, 2008 0, 2009 ada_default_timeout*1000); 2010 ata_28bit_cmd(&ccb->ataio, cmd, 0, 0, 0); 2011 2012 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 2013 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 2014 softc->disk->d_devstat); 2015 if (error != 0) 2016 xpt_print(periph->path, "Spin-down disk failed\n"); 2017 xpt_release_ccb(ccb); 2018 cam_periph_unlock(periph); 2019 } 2020} 2021 2022static void 2023adashutdown(void *arg, int howto) 2024{ 2025 2026 adaflush(); 2027 if (ada_spindown_shutdown != 0 && 2028 (howto & (RB_HALT | RB_POWEROFF)) != 0) 2029 adaspindown(ATA_STANDBY_IMMEDIATE, 0); 2030} 2031 2032static void 2033adasuspend(void *arg) 2034{ 2035 2036 adaflush(); 2037 if (ada_spindown_suspend != 0) 2038 adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE); 2039} 2040 2041static void 2042adaresume(void *arg) 2043{ 2044 struct cam_periph *periph; 2045 struct ada_softc *softc; 2046 2047 if (ada_spindown_suspend == 0) 2048 return; 2049 2050 CAM_PERIPH_FOREACH(periph, &adadriver) { 2051 cam_periph_lock(periph); 2052 softc = (struct ada_softc *)periph->softc; 2053 /* 2054 * We only spin-down the drive if it is capable of it.. 2055 */ 2056 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2057 cam_periph_unlock(periph); 2058 continue; 2059 } 2060 2061 if (bootverbose) 2062 xpt_print(periph->path, "resume\n"); 2063 2064 /* 2065 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on 2066 * sleep request. 2067 */ 2068 cam_release_devq(periph->path, 2069 /*relsim_flags*/0, 2070 /*openings*/0, 2071 /*timeout*/0, 2072 /*getcount_only*/0); 2073 2074 cam_periph_unlock(periph); 2075 } 2076} 2077 2078#endif /* _KERNEL */ 2079