ata_da.c revision 268815
1/*- 2 * Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: stable/10/sys/cam/ata/ata_da.c 268815 2014-07-17 22:58:05Z imp $"); 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 KASSERT((softc->flags & ADA_FLAG_CAN_TRIM) || 732 ((softc->flags & ADA_FLAG_CAN_CFA) && 733 !(softc->flags & ADA_FLAG_CAN_48BIT)), 734 ("BIO_DELETE but no supported TRIM method.")); 735 if (ADA_SIO) 736 bioq_disksort(&softc->trim_queue, bp); 737 else 738 bioq_insert_tail(&softc->trim_queue, bp); 739 } else { 740 if (ADA_SIO) 741 bioq_disksort(&softc->bio_queue, bp); 742 else 743 bioq_insert_tail(&softc->bio_queue, bp); 744 } 745 746 /* 747 * Schedule ourselves for performing the work. 748 */ 749 adaschedule(periph); 750 cam_periph_unlock(periph); 751 752 return; 753} 754 755static int 756adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 757{ 758 struct cam_periph *periph; 759 struct ada_softc *softc; 760 u_int secsize; 761 union ccb ccb; 762 struct disk *dp; 763 uint64_t lba; 764 uint16_t count; 765 int error = 0; 766 767 dp = arg; 768 periph = dp->d_drv1; 769 softc = (struct ada_softc *)periph->softc; 770 cam_periph_lock(periph); 771 secsize = softc->params.secsize; 772 lba = offset / secsize; 773 count = length / secsize; 774 775 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 776 cam_periph_unlock(periph); 777 return (ENXIO); 778 } 779 780 if (length > 0) { 781 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 782 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 783 cam_fill_ataio(&ccb.ataio, 784 0, 785 adadone, 786 CAM_DIR_OUT, 787 0, 788 (u_int8_t *) virtual, 789 length, 790 ada_default_timeout*1000); 791 if ((softc->flags & ADA_FLAG_CAN_48BIT) && 792 (lba + count >= ATA_MAX_28BIT_LBA || 793 count >= 256)) { 794 ata_48bit_cmd(&ccb.ataio, ATA_WRITE_DMA48, 795 0, lba, count); 796 } else { 797 ata_28bit_cmd(&ccb.ataio, ATA_WRITE_DMA, 798 0, lba, count); 799 } 800 xpt_polled_action(&ccb); 801 802 error = cam_periph_error(&ccb, 803 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 804 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 805 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 806 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 807 if (error != 0) 808 printf("Aborting dump due to I/O error.\n"); 809 810 cam_periph_unlock(periph); 811 return (error); 812 } 813 814 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { 815 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 816 817 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 818 cam_fill_ataio(&ccb.ataio, 819 0, 820 adadone, 821 CAM_DIR_NONE, 822 0, 823 NULL, 824 0, 825 ada_default_timeout*1000); 826 827 if (softc->flags & ADA_FLAG_CAN_48BIT) 828 ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); 829 else 830 ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); 831 xpt_polled_action(&ccb); 832 833 error = cam_periph_error(&ccb, 834 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 835 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 836 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 837 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 838 if (error != 0) 839 xpt_print(periph->path, "Synchronize cache failed\n"); 840 } 841 cam_periph_unlock(periph); 842 return (error); 843} 844 845static void 846adainit(void) 847{ 848 cam_status status; 849 850 /* 851 * Install a global async callback. This callback will 852 * receive async callbacks like "new device found". 853 */ 854 status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL); 855 856 if (status != CAM_REQ_CMP) { 857 printf("ada: Failed to attach master async callback " 858 "due to status 0x%x!\n", status); 859 } else if (ada_send_ordered) { 860 861 /* Register our event handlers */ 862 if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend, 863 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 864 printf("adainit: power event registration failed!\n"); 865 if ((EVENTHANDLER_REGISTER(power_resume, adaresume, 866 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 867 printf("adainit: power event registration failed!\n"); 868 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown, 869 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 870 printf("adainit: shutdown event registration failed!\n"); 871 } 872} 873 874/* 875 * Callback from GEOM, called when it has finished cleaning up its 876 * resources. 877 */ 878static void 879adadiskgonecb(struct disk *dp) 880{ 881 struct cam_periph *periph; 882 883 periph = (struct cam_periph *)dp->d_drv1; 884 885 cam_periph_release(periph); 886} 887 888static void 889adaoninvalidate(struct cam_periph *periph) 890{ 891 struct ada_softc *softc; 892 893 softc = (struct ada_softc *)periph->softc; 894 895 /* 896 * De-register any async callbacks. 897 */ 898 xpt_register_async(0, adaasync, periph, periph->path); 899 900 /* 901 * Return all queued I/O with ENXIO. 902 * XXX Handle any transactions queued to the card 903 * with XPT_ABORT_CCB. 904 */ 905 bioq_flush(&softc->bio_queue, NULL, ENXIO); 906 bioq_flush(&softc->trim_queue, NULL, ENXIO); 907 908 disk_gone(softc->disk); 909} 910 911static void 912adacleanup(struct cam_periph *periph) 913{ 914 struct ada_softc *softc; 915 916 softc = (struct ada_softc *)periph->softc; 917 918 cam_periph_unlock(periph); 919 920 /* 921 * If we can't free the sysctl tree, oh well... 922 */ 923 if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0 924 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 925 xpt_print(periph->path, "can't remove sysctl context\n"); 926 } 927 928 disk_destroy(softc->disk); 929 callout_drain(&softc->sendordered_c); 930 free(softc, M_DEVBUF); 931 cam_periph_lock(periph); 932} 933 934static void 935adaasync(void *callback_arg, u_int32_t code, 936 struct cam_path *path, void *arg) 937{ 938 struct ccb_getdev cgd; 939 struct cam_periph *periph; 940 struct ada_softc *softc; 941 942 periph = (struct cam_periph *)callback_arg; 943 switch (code) { 944 case AC_FOUND_DEVICE: 945 { 946 struct ccb_getdev *cgd; 947 cam_status status; 948 949 cgd = (struct ccb_getdev *)arg; 950 if (cgd == NULL) 951 break; 952 953 if (cgd->protocol != PROTO_ATA) 954 break; 955 956 /* 957 * Allocate a peripheral instance for 958 * this device and start the probe 959 * process. 960 */ 961 status = cam_periph_alloc(adaregister, adaoninvalidate, 962 adacleanup, adastart, 963 "ada", CAM_PERIPH_BIO, 964 path, adaasync, 965 AC_FOUND_DEVICE, cgd); 966 967 if (status != CAM_REQ_CMP 968 && status != CAM_REQ_INPROG) 969 printf("adaasync: Unable to attach to new device " 970 "due to status 0x%x\n", status); 971 break; 972 } 973 case AC_GETDEV_CHANGED: 974 { 975 softc = (struct ada_softc *)periph->softc; 976 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 977 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 978 xpt_action((union ccb *)&cgd); 979 980 if ((cgd.ident_data.capabilities1 & ATA_SUPPORT_DMA) && 981 (cgd.inq_flags & SID_DMA)) 982 softc->flags |= ADA_FLAG_CAN_DMA; 983 else 984 softc->flags &= ~ADA_FLAG_CAN_DMA; 985 if (cgd.ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 986 softc->flags |= ADA_FLAG_CAN_48BIT; 987 if (cgd.inq_flags & SID_DMA48) 988 softc->flags |= ADA_FLAG_CAN_DMA48; 989 else 990 softc->flags &= ~ADA_FLAG_CAN_DMA48; 991 } else 992 softc->flags &= ~(ADA_FLAG_CAN_48BIT | 993 ADA_FLAG_CAN_DMA48); 994 if ((cgd.ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 995 (cgd.inq_flags & SID_DMA) && (cgd.inq_flags & SID_CmdQue)) 996 softc->flags |= ADA_FLAG_CAN_NCQ; 997 else 998 softc->flags &= ~ADA_FLAG_CAN_NCQ; 999 if ((cgd.ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1000 (cgd.inq_flags & SID_DMA)) 1001 softc->flags |= ADA_FLAG_CAN_TRIM; 1002 else 1003 softc->flags &= ~ADA_FLAG_CAN_TRIM; 1004 1005 cam_periph_async(periph, code, path, arg); 1006 break; 1007 } 1008 case AC_ADVINFO_CHANGED: 1009 { 1010 uintptr_t buftype; 1011 1012 buftype = (uintptr_t)arg; 1013 if (buftype == CDAI_TYPE_PHYS_PATH) { 1014 struct ada_softc *softc; 1015 1016 softc = periph->softc; 1017 disk_attr_changed(softc->disk, "GEOM::physpath", 1018 M_NOWAIT); 1019 } 1020 break; 1021 } 1022 case AC_SENT_BDR: 1023 case AC_BUS_RESET: 1024 { 1025 softc = (struct ada_softc *)periph->softc; 1026 cam_periph_async(periph, code, path, arg); 1027 if (softc->state != ADA_STATE_NORMAL) 1028 break; 1029 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1030 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1031 xpt_action((union ccb *)&cgd); 1032 if (ADA_RA >= 0 && 1033 cgd.ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) 1034 softc->state = ADA_STATE_RAHEAD; 1035 else if (ADA_WC >= 0 && 1036 cgd.ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) 1037 softc->state = ADA_STATE_WCACHE; 1038 else 1039 break; 1040 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1041 softc->state = ADA_STATE_NORMAL; 1042 else 1043 xpt_schedule(periph, CAM_PRIORITY_DEV); 1044 } 1045 default: 1046 cam_periph_async(periph, code, path, arg); 1047 break; 1048 } 1049} 1050 1051static void 1052adasysctlinit(void *context, int pending) 1053{ 1054 struct cam_periph *periph; 1055 struct ada_softc *softc; 1056 char tmpstr[80], tmpstr2[80]; 1057 1058 periph = (struct cam_periph *)context; 1059 1060 /* periph was held for us when this task was enqueued */ 1061 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1062 cam_periph_release(periph); 1063 return; 1064 } 1065 1066 softc = (struct ada_softc *)periph->softc; 1067 snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d", periph->unit_number); 1068 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1069 1070 sysctl_ctx_init(&softc->sysctl_ctx); 1071 softc->flags |= ADA_FLAG_SCTX_INIT; 1072 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1073 SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2, 1074 CTLFLAG_RD, 0, tmpstr); 1075 if (softc->sysctl_tree == NULL) { 1076 printf("adasysctlinit: unable to allocate sysctl tree\n"); 1077 cam_periph_release(periph); 1078 return; 1079 } 1080 1081 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1082 OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE, 1083 &softc->read_ahead, 0, "Enable disk read ahead."); 1084 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1085 OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE, 1086 &softc->write_cache, 0, "Enable disk write cache."); 1087 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1088 OID_AUTO, "sort_io_queue", CTLFLAG_RW | CTLFLAG_MPSAFE, 1089 &softc->sort_io_queue, 0, 1090 "Sort IO queue to try and optimise disk access patterns"); 1091#ifdef ADA_TEST_FAILURE 1092 /* 1093 * Add a 'door bell' sysctl which allows one to set it from userland 1094 * and cause something bad to happen. For the moment, we only allow 1095 * whacking the next read or write. 1096 */ 1097 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1098 OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1099 &softc->force_read_error, 0, 1100 "Force a read error for the next N reads."); 1101 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1102 OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1103 &softc->force_write_error, 0, 1104 "Force a write error for the next N writes."); 1105 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1106 OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1107 &softc->periodic_read_error, 0, 1108 "Force a read error every N reads (don't set too low)."); 1109#endif 1110 cam_periph_release(periph); 1111} 1112 1113static int 1114adagetattr(struct bio *bp) 1115{ 1116 int ret; 1117 struct cam_periph *periph; 1118 1119 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1120 cam_periph_lock(periph); 1121 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1122 periph->path); 1123 cam_periph_unlock(periph); 1124 if (ret == 0) 1125 bp->bio_completed = bp->bio_length; 1126 return ret; 1127} 1128 1129static cam_status 1130adaregister(struct cam_periph *periph, void *arg) 1131{ 1132 struct ada_softc *softc; 1133 struct ccb_pathinq cpi; 1134 struct ccb_getdev *cgd; 1135 char announce_buf[80], buf1[32]; 1136 struct disk_params *dp; 1137 caddr_t match; 1138 u_int maxio; 1139 int legacy_id, quirks; 1140 1141 cgd = (struct ccb_getdev *)arg; 1142 if (cgd == NULL) { 1143 printf("adaregister: no getdev CCB, can't register device\n"); 1144 return(CAM_REQ_CMP_ERR); 1145 } 1146 1147 softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF, 1148 M_NOWAIT|M_ZERO); 1149 1150 if (softc == NULL) { 1151 printf("adaregister: Unable to probe new device. " 1152 "Unable to allocate softc\n"); 1153 return(CAM_REQ_CMP_ERR); 1154 } 1155 1156 bioq_init(&softc->bio_queue); 1157 bioq_init(&softc->trim_queue); 1158 1159 if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1160 (cgd->inq_flags & SID_DMA)) 1161 softc->flags |= ADA_FLAG_CAN_DMA; 1162 if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1163 softc->flags |= ADA_FLAG_CAN_48BIT; 1164 if (cgd->inq_flags & SID_DMA48) 1165 softc->flags |= ADA_FLAG_CAN_DMA48; 1166 } 1167 if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE) 1168 softc->flags |= ADA_FLAG_CAN_FLUSHCACHE; 1169 if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT) 1170 softc->flags |= ADA_FLAG_CAN_POWERMGT; 1171 if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1172 (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue)) 1173 softc->flags |= ADA_FLAG_CAN_NCQ; 1174 if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1175 (cgd->inq_flags & SID_DMA)) { 1176 softc->flags |= ADA_FLAG_CAN_TRIM; 1177 softc->trim_max_ranges = TRIM_MAX_RANGES; 1178 if (cgd->ident_data.max_dsm_blocks != 0) { 1179 softc->trim_max_ranges = 1180 min(cgd->ident_data.max_dsm_blocks * 1181 ATA_DSM_BLK_RANGES, softc->trim_max_ranges); 1182 } 1183 } 1184 if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA) 1185 softc->flags |= ADA_FLAG_CAN_CFA; 1186 1187 periph->softc = softc; 1188 1189 /* 1190 * See if this device has any quirks. 1191 */ 1192 match = cam_quirkmatch((caddr_t)&cgd->ident_data, 1193 (caddr_t)ada_quirk_table, 1194 sizeof(ada_quirk_table)/sizeof(*ada_quirk_table), 1195 sizeof(*ada_quirk_table), ata_identify_match); 1196 if (match != NULL) 1197 softc->quirks = ((struct ada_quirk_entry *)match)->quirks; 1198 else 1199 softc->quirks = ADA_Q_NONE; 1200 1201 bzero(&cpi, sizeof(cpi)); 1202 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 1203 cpi.ccb_h.func_code = XPT_PATH_INQ; 1204 xpt_action((union ccb *)&cpi); 1205 1206 TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph); 1207 1208 /* 1209 * Register this media as a disk 1210 */ 1211 (void)cam_periph_hold(periph, PRIBIO); 1212 cam_periph_unlock(periph); 1213 snprintf(announce_buf, sizeof(announce_buf), 1214 "kern.cam.ada.%d.quirks", periph->unit_number); 1215 quirks = softc->quirks; 1216 TUNABLE_INT_FETCH(announce_buf, &quirks); 1217 softc->quirks = quirks; 1218 softc->read_ahead = -1; 1219 snprintf(announce_buf, sizeof(announce_buf), 1220 "kern.cam.ada.%d.read_ahead", periph->unit_number); 1221 TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead); 1222 softc->write_cache = -1; 1223 snprintf(announce_buf, sizeof(announce_buf), 1224 "kern.cam.ada.%d.write_cache", periph->unit_number); 1225 TUNABLE_INT_FETCH(announce_buf, &softc->write_cache); 1226 /* Disable queue sorting for non-rotational media by default. */ 1227 if (cgd->ident_data.media_rotation_rate == 1) 1228 softc->sort_io_queue = 0; 1229 else 1230 softc->sort_io_queue = -1; 1231 adagetparams(periph, cgd); 1232 softc->disk = disk_alloc(); 1233 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1234 periph->unit_number, softc->params.secsize, 1235 DEVSTAT_ALL_SUPPORTED, 1236 DEVSTAT_TYPE_DIRECT | 1237 XPORT_DEVSTAT_TYPE(cpi.transport), 1238 DEVSTAT_PRIORITY_DISK); 1239 softc->disk->d_open = adaopen; 1240 softc->disk->d_close = adaclose; 1241 softc->disk->d_strategy = adastrategy; 1242 softc->disk->d_getattr = adagetattr; 1243 softc->disk->d_dump = adadump; 1244 softc->disk->d_gone = adadiskgonecb; 1245 softc->disk->d_name = "ada"; 1246 softc->disk->d_drv1 = periph; 1247 maxio = cpi.maxio; /* Honor max I/O size of SIM */ 1248 if (maxio == 0) 1249 maxio = DFLTPHYS; /* traditional default */ 1250 else if (maxio > MAXPHYS) 1251 maxio = MAXPHYS; /* for safety */ 1252 if (softc->flags & ADA_FLAG_CAN_48BIT) 1253 maxio = min(maxio, 65536 * softc->params.secsize); 1254 else /* 28bit ATA command limit */ 1255 maxio = min(maxio, 256 * softc->params.secsize); 1256 softc->disk->d_maxsize = maxio; 1257 softc->disk->d_unit = periph->unit_number; 1258 softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION; 1259 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) 1260 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1261 if (softc->flags & ADA_FLAG_CAN_TRIM) { 1262 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1263 softc->disk->d_delmaxsize = softc->params.secsize * 1264 ATA_DSM_RANGE_MAX * 1265 softc->trim_max_ranges; 1266 } else if ((softc->flags & ADA_FLAG_CAN_CFA) && 1267 !(softc->flags & ADA_FLAG_CAN_48BIT)) { 1268 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1269 softc->disk->d_delmaxsize = 256 * softc->params.secsize; 1270 } else 1271 softc->disk->d_delmaxsize = maxio; 1272 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) 1273 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 1274 strlcpy(softc->disk->d_descr, cgd->ident_data.model, 1275 MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model))); 1276 strlcpy(softc->disk->d_ident, cgd->ident_data.serial, 1277 MIN(sizeof(softc->disk->d_ident), sizeof(cgd->ident_data.serial))); 1278 softc->disk->d_hba_vendor = cpi.hba_vendor; 1279 softc->disk->d_hba_device = cpi.hba_device; 1280 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1281 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1282 1283 softc->disk->d_sectorsize = softc->params.secsize; 1284 softc->disk->d_mediasize = (off_t)softc->params.sectors * 1285 softc->params.secsize; 1286 if (ata_physical_sector_size(&cgd->ident_data) != 1287 softc->params.secsize) { 1288 softc->disk->d_stripesize = 1289 ata_physical_sector_size(&cgd->ident_data); 1290 softc->disk->d_stripeoffset = (softc->disk->d_stripesize - 1291 ata_logical_sector_offset(&cgd->ident_data)) % 1292 softc->disk->d_stripesize; 1293 } else if (softc->quirks & ADA_Q_4K) { 1294 softc->disk->d_stripesize = 4096; 1295 softc->disk->d_stripeoffset = 0; 1296 } 1297 softc->disk->d_fwsectors = softc->params.secs_per_track; 1298 softc->disk->d_fwheads = softc->params.heads; 1299 ata_disk_firmware_geom_adjust(softc->disk); 1300 1301 if (ada_legacy_aliases) { 1302#ifdef ATA_STATIC_ID 1303 legacy_id = xpt_path_legacy_ata_id(periph->path); 1304#else 1305 legacy_id = softc->disk->d_unit; 1306#endif 1307 if (legacy_id >= 0) { 1308 snprintf(announce_buf, sizeof(announce_buf), 1309 "kern.devalias.%s%d", 1310 softc->disk->d_name, softc->disk->d_unit); 1311 snprintf(buf1, sizeof(buf1), 1312 "ad%d", legacy_id); 1313 setenv(announce_buf, buf1); 1314 } 1315 } else 1316 legacy_id = -1; 1317 /* 1318 * Acquire a reference to the periph before we register with GEOM. 1319 * We'll release this reference once GEOM calls us back (via 1320 * adadiskgonecb()) telling us that our provider has been freed. 1321 */ 1322 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1323 xpt_print(periph->path, "%s: lost periph during " 1324 "registration!\n", __func__); 1325 cam_periph_lock(periph); 1326 return (CAM_REQ_CMP_ERR); 1327 } 1328 disk_create(softc->disk, DISK_VERSION); 1329 cam_periph_lock(periph); 1330 cam_periph_unhold(periph); 1331 1332 dp = &softc->params; 1333 snprintf(announce_buf, sizeof(announce_buf), 1334 "%juMB (%ju %u byte sectors: %dH %dS/T %dC)", 1335 (uintmax_t)(((uintmax_t)dp->secsize * 1336 dp->sectors) / (1024*1024)), 1337 (uintmax_t)dp->sectors, 1338 dp->secsize, dp->heads, 1339 dp->secs_per_track, dp->cylinders); 1340 xpt_announce_periph(periph, announce_buf); 1341 xpt_announce_quirks(periph, softc->quirks, ADA_Q_BIT_STRING); 1342 if (legacy_id >= 0) 1343 printf("%s%d: Previously was known as ad%d\n", 1344 periph->periph_name, periph->unit_number, legacy_id); 1345 1346 /* 1347 * Create our sysctl variables, now that we know 1348 * we have successfully attached. 1349 */ 1350 if (cam_periph_acquire(periph) == CAM_REQ_CMP) 1351 taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task); 1352 1353 /* 1354 * Add async callbacks for bus reset and 1355 * bus device reset calls. I don't bother 1356 * checking if this fails as, in most cases, 1357 * the system will function just fine without 1358 * them and the only alternative would be to 1359 * not attach the device on failure. 1360 */ 1361 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 1362 AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED, 1363 adaasync, periph, periph->path); 1364 1365 /* 1366 * Schedule a periodic event to occasionally send an 1367 * ordered tag to a device. 1368 */ 1369 callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0); 1370 callout_reset(&softc->sendordered_c, 1371 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1372 adasendorderedtag, softc); 1373 1374 if (ADA_RA >= 0 && 1375 cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) { 1376 softc->state = ADA_STATE_RAHEAD; 1377 } else if (ADA_WC >= 0 && 1378 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1379 softc->state = ADA_STATE_WCACHE; 1380 } else { 1381 softc->state = ADA_STATE_NORMAL; 1382 return(CAM_REQ_CMP); 1383 } 1384 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1385 softc->state = ADA_STATE_NORMAL; 1386 else 1387 xpt_schedule(periph, CAM_PRIORITY_DEV); 1388 return(CAM_REQ_CMP); 1389} 1390 1391static void 1392ada_dsmtrim(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio) 1393{ 1394 struct trim_request *req = &softc->trim_req; 1395 uint64_t lastlba = (uint64_t)-1; 1396 int c, lastcount = 0, off, ranges = 0; 1397 1398 bzero(req, sizeof(*req)); 1399 TAILQ_INIT(&req->bps); 1400 do { 1401 uint64_t lba = bp->bio_pblkno; 1402 int count = bp->bio_bcount / softc->params.secsize; 1403 1404 bioq_remove(&softc->trim_queue, bp); 1405 1406 /* Try to extend the previous range. */ 1407 if (lba == lastlba) { 1408 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 1409 lastcount += c; 1410 off = (ranges - 1) * ATA_DSM_RANGE_SIZE; 1411 req->data[off + 6] = lastcount & 0xff; 1412 req->data[off + 7] = 1413 (lastcount >> 8) & 0xff; 1414 count -= c; 1415 lba += c; 1416 } 1417 1418 while (count > 0) { 1419 c = min(count, ATA_DSM_RANGE_MAX); 1420 off = ranges * ATA_DSM_RANGE_SIZE; 1421 req->data[off + 0] = lba & 0xff; 1422 req->data[off + 1] = (lba >> 8) & 0xff; 1423 req->data[off + 2] = (lba >> 16) & 0xff; 1424 req->data[off + 3] = (lba >> 24) & 0xff; 1425 req->data[off + 4] = (lba >> 32) & 0xff; 1426 req->data[off + 5] = (lba >> 40) & 0xff; 1427 req->data[off + 6] = c & 0xff; 1428 req->data[off + 7] = (c >> 8) & 0xff; 1429 lba += c; 1430 count -= c; 1431 lastcount = c; 1432 ranges++; 1433 /* 1434 * Its the caller's responsibility to ensure the 1435 * request will fit so we don't need to check for 1436 * overrun here 1437 */ 1438 } 1439 lastlba = lba; 1440 TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue); 1441 bp = bioq_first(&softc->trim_queue); 1442 if (bp == NULL || 1443 bp->bio_bcount / softc->params.secsize > 1444 (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) 1445 break; 1446 } while (1); 1447 cam_fill_ataio(ataio, 1448 ada_retry_count, 1449 adadone, 1450 CAM_DIR_OUT, 1451 0, 1452 req->data, 1453 ((ranges + ATA_DSM_BLK_RANGES - 1) / 1454 ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE, 1455 ada_default_timeout * 1000); 1456 ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT, 1457 ATA_DSM_TRIM, 0, (ranges + ATA_DSM_BLK_RANGES - 1458 1) / ATA_DSM_BLK_RANGES); 1459} 1460 1461static void 1462ada_cfaerase(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio) 1463{ 1464 uint64_t lba = bp->bio_pblkno; 1465 uint16_t count = bp->bio_bcount / softc->params.secsize; 1466 1467 cam_fill_ataio(ataio, 1468 ada_retry_count, 1469 adadone, 1470 CAM_DIR_NONE, 1471 0, 1472 NULL, 1473 0, 1474 ada_default_timeout*1000); 1475 1476 if (count >= 256) 1477 count = 0; 1478 ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count); 1479} 1480 1481static void 1482adastart(struct cam_periph *periph, union ccb *start_ccb) 1483{ 1484 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1485 struct ccb_ataio *ataio = &start_ccb->ataio; 1486 1487 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n")); 1488 1489 switch (softc->state) { 1490 case ADA_STATE_NORMAL: 1491 { 1492 struct bio *bp; 1493 u_int8_t tag_code; 1494 1495 /* Run TRIM if not running yet. */ 1496 if (!softc->trim_running && 1497 (bp = bioq_first(&softc->trim_queue)) != 0) { 1498 if (softc->flags & ADA_FLAG_CAN_TRIM) { 1499 ada_dsmtrim(softc, bp, ataio); 1500 } else if ((softc->flags & ADA_FLAG_CAN_CFA) && 1501 !(softc->flags & ADA_FLAG_CAN_48BIT)) { 1502 ada_cfaerase(softc, bp, ataio); 1503 } else { 1504 panic("adastart: BIO_DELETE without method, not possible."); 1505 } 1506 softc->trim_running = 1; 1507 start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM; 1508 start_ccb->ccb_h.flags |= CAM_UNLOCKED; 1509 goto out; 1510 } 1511 /* Run regular command. */ 1512 bp = bioq_first(&softc->bio_queue); 1513 if (bp == NULL) { 1514 xpt_release_ccb(start_ccb); 1515 break; 1516 } 1517 bioq_remove(&softc->bio_queue, bp); 1518 1519 if ((bp->bio_flags & BIO_ORDERED) != 0 1520 || (softc->flags & ADA_FLAG_NEED_OTAG) != 0) { 1521 softc->flags &= ~ADA_FLAG_NEED_OTAG; 1522 softc->flags |= ADA_FLAG_WAS_OTAG; 1523 tag_code = 0; 1524 } else { 1525 tag_code = 1; 1526 } 1527 switch (bp->bio_cmd) { 1528 case BIO_WRITE: 1529 softc->flags |= ADA_FLAG_DIRTY; 1530 /* FALLTHROUGH */ 1531 case BIO_READ: 1532 { 1533 uint64_t lba = bp->bio_pblkno; 1534 uint16_t count = bp->bio_bcount / softc->params.secsize; 1535#ifdef ADA_TEST_FAILURE 1536 int fail = 0; 1537 1538 /* 1539 * Support the failure ioctls. If the command is a 1540 * read, and there are pending forced read errors, or 1541 * if a write and pending write errors, then fail this 1542 * operation with EIO. This is useful for testing 1543 * purposes. Also, support having every Nth read fail. 1544 * 1545 * This is a rather blunt tool. 1546 */ 1547 if (bp->bio_cmd == BIO_READ) { 1548 if (softc->force_read_error) { 1549 softc->force_read_error--; 1550 fail = 1; 1551 } 1552 if (softc->periodic_read_error > 0) { 1553 if (++softc->periodic_read_count >= 1554 softc->periodic_read_error) { 1555 softc->periodic_read_count = 0; 1556 fail = 1; 1557 } 1558 } 1559 } else { 1560 if (softc->force_write_error) { 1561 softc->force_write_error--; 1562 fail = 1; 1563 } 1564 } 1565 if (fail) { 1566 bp->bio_error = EIO; 1567 bp->bio_flags |= BIO_ERROR; 1568 biodone(bp); 1569 xpt_release_ccb(start_ccb); 1570 adaschedule(periph); 1571 return; 1572 } 1573#endif 1574 KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 || 1575 round_page(bp->bio_bcount + bp->bio_ma_offset) / 1576 PAGE_SIZE == bp->bio_ma_n, 1577 ("Short bio %p", bp)); 1578 cam_fill_ataio(ataio, 1579 ada_retry_count, 1580 adadone, 1581 (bp->bio_cmd == BIO_READ ? CAM_DIR_IN : 1582 CAM_DIR_OUT) | ((bp->bio_flags & BIO_UNMAPPED) 1583 != 0 ? CAM_DATA_BIO : 0), 1584 tag_code, 1585 ((bp->bio_flags & BIO_UNMAPPED) != 0) ? (void *)bp : 1586 bp->bio_data, 1587 bp->bio_bcount, 1588 ada_default_timeout*1000); 1589 1590 if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) { 1591 if (bp->bio_cmd == BIO_READ) { 1592 ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED, 1593 lba, count); 1594 } else { 1595 ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED, 1596 lba, count); 1597 } 1598 } else if ((softc->flags & ADA_FLAG_CAN_48BIT) && 1599 (lba + count >= ATA_MAX_28BIT_LBA || 1600 count > 256)) { 1601 if (softc->flags & ADA_FLAG_CAN_DMA48) { 1602 if (bp->bio_cmd == BIO_READ) { 1603 ata_48bit_cmd(ataio, ATA_READ_DMA48, 1604 0, lba, count); 1605 } else { 1606 ata_48bit_cmd(ataio, ATA_WRITE_DMA48, 1607 0, lba, count); 1608 } 1609 } else { 1610 if (bp->bio_cmd == BIO_READ) { 1611 ata_48bit_cmd(ataio, ATA_READ_MUL48, 1612 0, lba, count); 1613 } else { 1614 ata_48bit_cmd(ataio, ATA_WRITE_MUL48, 1615 0, lba, count); 1616 } 1617 } 1618 } else { 1619 if (count == 256) 1620 count = 0; 1621 if (softc->flags & ADA_FLAG_CAN_DMA) { 1622 if (bp->bio_cmd == BIO_READ) { 1623 ata_28bit_cmd(ataio, ATA_READ_DMA, 1624 0, lba, count); 1625 } else { 1626 ata_28bit_cmd(ataio, ATA_WRITE_DMA, 1627 0, lba, count); 1628 } 1629 } else { 1630 if (bp->bio_cmd == BIO_READ) { 1631 ata_28bit_cmd(ataio, ATA_READ_MUL, 1632 0, lba, count); 1633 } else { 1634 ata_28bit_cmd(ataio, ATA_WRITE_MUL, 1635 0, lba, count); 1636 } 1637 } 1638 } 1639 break; 1640 } 1641 case BIO_FLUSH: 1642 cam_fill_ataio(ataio, 1643 1, 1644 adadone, 1645 CAM_DIR_NONE, 1646 0, 1647 NULL, 1648 0, 1649 ada_default_timeout*1000); 1650 1651 if (softc->flags & ADA_FLAG_CAN_48BIT) 1652 ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1653 else 1654 ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0); 1655 break; 1656 } 1657 start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO; 1658 start_ccb->ccb_h.flags |= CAM_UNLOCKED; 1659out: 1660 start_ccb->ccb_h.ccb_bp = bp; 1661 softc->outstanding_cmds++; 1662 softc->refcount++; 1663 cam_periph_unlock(periph); 1664 xpt_action(start_ccb); 1665 cam_periph_lock(periph); 1666 softc->refcount--; 1667 1668 /* May have more work to do, so ensure we stay scheduled */ 1669 adaschedule(periph); 1670 break; 1671 } 1672 case ADA_STATE_RAHEAD: 1673 case ADA_STATE_WCACHE: 1674 { 1675 cam_fill_ataio(ataio, 1676 1, 1677 adadone, 1678 CAM_DIR_NONE, 1679 0, 1680 NULL, 1681 0, 1682 ada_default_timeout*1000); 1683 1684 if (softc->state == ADA_STATE_RAHEAD) { 1685 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ? 1686 ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0); 1687 start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD; 1688 } else { 1689 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ? 1690 ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0); 1691 start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE; 1692 } 1693 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1694 xpt_action(start_ccb); 1695 break; 1696 } 1697 } 1698} 1699 1700static void 1701adadone(struct cam_periph *periph, union ccb *done_ccb) 1702{ 1703 struct ada_softc *softc; 1704 struct ccb_ataio *ataio; 1705 struct ccb_getdev *cgd; 1706 struct cam_path *path; 1707 int state; 1708 1709 softc = (struct ada_softc *)periph->softc; 1710 ataio = &done_ccb->ataio; 1711 path = done_ccb->ccb_h.path; 1712 1713 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n")); 1714 1715 state = ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK; 1716 switch (state) { 1717 case ADA_CCB_BUFFER_IO: 1718 case ADA_CCB_TRIM: 1719 { 1720 struct bio *bp; 1721 int error; 1722 1723 cam_periph_lock(periph); 1724 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1725 error = adaerror(done_ccb, 0, 0); 1726 if (error == ERESTART) { 1727 /* A retry was scheduled, so just return. */ 1728 cam_periph_unlock(periph); 1729 return; 1730 } 1731 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1732 cam_release_devq(path, 1733 /*relsim_flags*/0, 1734 /*reduction*/0, 1735 /*timeout*/0, 1736 /*getcount_only*/0); 1737 } else { 1738 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1739 panic("REQ_CMP with QFRZN"); 1740 error = 0; 1741 } 1742 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1743 bp->bio_error = error; 1744 if (error != 0) { 1745 bp->bio_resid = bp->bio_bcount; 1746 bp->bio_flags |= BIO_ERROR; 1747 } else { 1748 if (state == ADA_CCB_TRIM) 1749 bp->bio_resid = 0; 1750 else 1751 bp->bio_resid = ataio->resid; 1752 if (bp->bio_resid > 0) 1753 bp->bio_flags |= BIO_ERROR; 1754 } 1755 softc->outstanding_cmds--; 1756 if (softc->outstanding_cmds == 0) 1757 softc->flags |= ADA_FLAG_WAS_OTAG; 1758 xpt_release_ccb(done_ccb); 1759 if (state == ADA_CCB_TRIM) { 1760 TAILQ_HEAD(, bio) queue; 1761 struct bio *bp1; 1762 1763 TAILQ_INIT(&queue); 1764 TAILQ_CONCAT(&queue, &softc->trim_req.bps, bio_queue); 1765 softc->trim_running = 0; 1766 adaschedule(periph); 1767 cam_periph_unlock(periph); 1768 while ((bp1 = TAILQ_FIRST(&queue)) != NULL) { 1769 TAILQ_REMOVE(&queue, bp1, bio_queue); 1770 bp1->bio_error = error; 1771 if (error != 0) { 1772 bp1->bio_flags |= BIO_ERROR; 1773 bp1->bio_resid = bp1->bio_bcount; 1774 } else 1775 bp1->bio_resid = 0; 1776 biodone(bp1); 1777 } 1778 } else { 1779 cam_periph_unlock(periph); 1780 biodone(bp); 1781 } 1782 return; 1783 } 1784 case ADA_CCB_RAHEAD: 1785 { 1786 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1787 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1788out: 1789 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1790 cam_release_devq(path, 0, 0, 0, FALSE); 1791 return; 1792 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1793 cam_release_devq(path, 1794 /*relsim_flags*/0, 1795 /*reduction*/0, 1796 /*timeout*/0, 1797 /*getcount_only*/0); 1798 } 1799 } 1800 1801 /* 1802 * Since our peripheral may be invalidated by an error 1803 * above or an external event, we must release our CCB 1804 * before releasing the reference on the peripheral. 1805 * The peripheral will only go away once the last reference 1806 * is removed, and we need it around for the CCB release 1807 * operation. 1808 */ 1809 cgd = (struct ccb_getdev *)done_ccb; 1810 xpt_setup_ccb(&cgd->ccb_h, path, CAM_PRIORITY_NORMAL); 1811 cgd->ccb_h.func_code = XPT_GDEV_TYPE; 1812 xpt_action((union ccb *)cgd); 1813 if (ADA_WC >= 0 && 1814 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1815 softc->state = ADA_STATE_WCACHE; 1816 xpt_release_ccb(done_ccb); 1817 xpt_schedule(periph, CAM_PRIORITY_DEV); 1818 goto out; 1819 } 1820 softc->state = ADA_STATE_NORMAL; 1821 xpt_release_ccb(done_ccb); 1822 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1823 cam_release_devq(path, 0, 0, 0, FALSE); 1824 adaschedule(periph); 1825 cam_periph_release_locked(periph); 1826 return; 1827 } 1828 case ADA_CCB_WCACHE: 1829 { 1830 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1831 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1832 goto out; 1833 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1834 cam_release_devq(path, 1835 /*relsim_flags*/0, 1836 /*reduction*/0, 1837 /*timeout*/0, 1838 /*getcount_only*/0); 1839 } 1840 } 1841 1842 softc->state = ADA_STATE_NORMAL; 1843 /* 1844 * Since our peripheral may be invalidated by an error 1845 * above or an external event, we must release our CCB 1846 * before releasing the reference on the peripheral. 1847 * The peripheral will only go away once the last reference 1848 * is removed, and we need it around for the CCB release 1849 * operation. 1850 */ 1851 xpt_release_ccb(done_ccb); 1852 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1853 cam_release_devq(path, 0, 0, 0, FALSE); 1854 adaschedule(periph); 1855 cam_periph_release_locked(periph); 1856 return; 1857 } 1858 case ADA_CCB_DUMP: 1859 /* No-op. We're polling */ 1860 return; 1861 default: 1862 break; 1863 } 1864 xpt_release_ccb(done_ccb); 1865} 1866 1867static int 1868adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1869{ 1870 1871 return(cam_periph_error(ccb, cam_flags, sense_flags, NULL)); 1872} 1873 1874static void 1875adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd) 1876{ 1877 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1878 struct disk_params *dp = &softc->params; 1879 u_int64_t lbasize48; 1880 u_int32_t lbasize; 1881 1882 dp->secsize = ata_logical_sector_size(&cgd->ident_data); 1883 if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) && 1884 cgd->ident_data.current_heads && cgd->ident_data.current_sectors) { 1885 dp->heads = cgd->ident_data.current_heads; 1886 dp->secs_per_track = cgd->ident_data.current_sectors; 1887 dp->cylinders = cgd->ident_data.cylinders; 1888 dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 | 1889 ((u_int32_t)cgd->ident_data.current_size_2 << 16); 1890 } else { 1891 dp->heads = cgd->ident_data.heads; 1892 dp->secs_per_track = cgd->ident_data.sectors; 1893 dp->cylinders = cgd->ident_data.cylinders; 1894 dp->sectors = cgd->ident_data.cylinders * dp->heads * dp->secs_per_track; 1895 } 1896 lbasize = (u_int32_t)cgd->ident_data.lba_size_1 | 1897 ((u_int32_t)cgd->ident_data.lba_size_2 << 16); 1898 1899 /* use the 28bit LBA size if valid or bigger than the CHS mapping */ 1900 if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize) 1901 dp->sectors = lbasize; 1902 1903 /* use the 48bit LBA size if valid */ 1904 lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) | 1905 ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) | 1906 ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) | 1907 ((u_int64_t)cgd->ident_data.lba_size48_4 << 48); 1908 if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) && 1909 lbasize48 > ATA_MAX_28BIT_LBA) 1910 dp->sectors = lbasize48; 1911} 1912 1913static void 1914adasendorderedtag(void *arg) 1915{ 1916 struct ada_softc *softc = arg; 1917 1918 if (ada_send_ordered) { 1919 if (softc->outstanding_cmds > 0) { 1920 if ((softc->flags & ADA_FLAG_WAS_OTAG) == 0) 1921 softc->flags |= ADA_FLAG_NEED_OTAG; 1922 softc->flags &= ~ADA_FLAG_WAS_OTAG; 1923 } 1924 } 1925 /* Queue us up again */ 1926 callout_reset(&softc->sendordered_c, 1927 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1928 adasendorderedtag, softc); 1929} 1930 1931/* 1932 * Step through all ADA peripheral drivers, and if the device is still open, 1933 * sync the disk cache to physical media. 1934 */ 1935static void 1936adaflush(void) 1937{ 1938 struct cam_periph *periph; 1939 struct ada_softc *softc; 1940 union ccb *ccb; 1941 int error; 1942 1943 CAM_PERIPH_FOREACH(periph, &adadriver) { 1944 softc = (struct ada_softc *)periph->softc; 1945 if (SCHEDULER_STOPPED()) { 1946 /* If we paniced with the lock held, do not recurse. */ 1947 if (!cam_periph_owned(periph) && 1948 (softc->flags & ADA_FLAG_OPEN)) { 1949 adadump(softc->disk, NULL, 0, 0, 0); 1950 } 1951 continue; 1952 } 1953 cam_periph_lock(periph); 1954 /* 1955 * We only sync the cache if the drive is still open, and 1956 * if the drive is capable of it.. 1957 */ 1958 if (((softc->flags & ADA_FLAG_OPEN) == 0) || 1959 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) { 1960 cam_periph_unlock(periph); 1961 continue; 1962 } 1963 1964 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1965 cam_fill_ataio(&ccb->ataio, 1966 0, 1967 adadone, 1968 CAM_DIR_NONE, 1969 0, 1970 NULL, 1971 0, 1972 ada_default_timeout*1000); 1973 if (softc->flags & ADA_FLAG_CAN_48BIT) 1974 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1975 else 1976 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 1977 1978 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 1979 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 1980 softc->disk->d_devstat); 1981 if (error != 0) 1982 xpt_print(periph->path, "Synchronize cache failed\n"); 1983 xpt_release_ccb(ccb); 1984 cam_periph_unlock(periph); 1985 } 1986} 1987 1988static void 1989adaspindown(uint8_t cmd, int flags) 1990{ 1991 struct cam_periph *periph; 1992 struct ada_softc *softc; 1993 union ccb *ccb; 1994 int error; 1995 1996 CAM_PERIPH_FOREACH(periph, &adadriver) { 1997 /* If we paniced with lock held - not recurse here. */ 1998 if (cam_periph_owned(periph)) 1999 continue; 2000 cam_periph_lock(periph); 2001 softc = (struct ada_softc *)periph->softc; 2002 /* 2003 * We only spin-down the drive if it is capable of it.. 2004 */ 2005 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2006 cam_periph_unlock(periph); 2007 continue; 2008 } 2009 2010 if (bootverbose) 2011 xpt_print(periph->path, "spin-down\n"); 2012 2013 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2014 cam_fill_ataio(&ccb->ataio, 2015 0, 2016 adadone, 2017 CAM_DIR_NONE | flags, 2018 0, 2019 NULL, 2020 0, 2021 ada_default_timeout*1000); 2022 ata_28bit_cmd(&ccb->ataio, cmd, 0, 0, 0); 2023 2024 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 2025 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 2026 softc->disk->d_devstat); 2027 if (error != 0) 2028 xpt_print(periph->path, "Spin-down disk failed\n"); 2029 xpt_release_ccb(ccb); 2030 cam_periph_unlock(periph); 2031 } 2032} 2033 2034static void 2035adashutdown(void *arg, int howto) 2036{ 2037 2038 adaflush(); 2039 if (ada_spindown_shutdown != 0 && 2040 (howto & (RB_HALT | RB_POWEROFF)) != 0) 2041 adaspindown(ATA_STANDBY_IMMEDIATE, 0); 2042} 2043 2044static void 2045adasuspend(void *arg) 2046{ 2047 2048 adaflush(); 2049 if (ada_spindown_suspend != 0) 2050 adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE); 2051} 2052 2053static void 2054adaresume(void *arg) 2055{ 2056 struct cam_periph *periph; 2057 struct ada_softc *softc; 2058 2059 if (ada_spindown_suspend == 0) 2060 return; 2061 2062 CAM_PERIPH_FOREACH(periph, &adadriver) { 2063 cam_periph_lock(periph); 2064 softc = (struct ada_softc *)periph->softc; 2065 /* 2066 * We only spin-down the drive if it is capable of it.. 2067 */ 2068 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2069 cam_periph_unlock(periph); 2070 continue; 2071 } 2072 2073 if (bootverbose) 2074 xpt_print(periph->path, "resume\n"); 2075 2076 /* 2077 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on 2078 * sleep request. 2079 */ 2080 cam_release_devq(periph->path, 2081 /*relsim_flags*/0, 2082 /*openings*/0, 2083 /*timeout*/0, 2084 /*getcount_only*/0); 2085 2086 cam_periph_unlock(periph); 2087 } 2088} 2089 2090#endif /* _KERNEL */ 2091