ata_da.c revision 250033
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 250033 2013-04-28 21:14:23Z smh $"); 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/reboot.h> 48#include <geom/geom_disk.h> 49#endif /* _KERNEL */ 50 51#ifndef _KERNEL 52#include <stdio.h> 53#include <string.h> 54#endif /* _KERNEL */ 55 56#include <cam/cam.h> 57#include <cam/cam_ccb.h> 58#include <cam/cam_periph.h> 59#include <cam/cam_xpt_periph.h> 60#include <cam/cam_sim.h> 61 62#include <cam/ata/ata_all.h> 63 64#include <machine/md_var.h> /* geometry translation */ 65 66#ifdef _KERNEL 67 68#define ATA_MAX_28BIT_LBA 268435455UL 69 70typedef enum { 71 ADA_STATE_RAHEAD, 72 ADA_STATE_WCACHE, 73 ADA_STATE_NORMAL 74} ada_state; 75 76typedef enum { 77 ADA_FLAG_CAN_48BIT = 0x0002, 78 ADA_FLAG_CAN_FLUSHCACHE = 0x0004, 79 ADA_FLAG_CAN_NCQ = 0x0008, 80 ADA_FLAG_CAN_DMA = 0x0010, 81 ADA_FLAG_NEED_OTAG = 0x0020, 82 ADA_FLAG_WENT_IDLE = 0x0040, 83 ADA_FLAG_CAN_TRIM = 0x0080, 84 ADA_FLAG_OPEN = 0x0100, 85 ADA_FLAG_SCTX_INIT = 0x0200, 86 ADA_FLAG_CAN_CFA = 0x0400, 87 ADA_FLAG_CAN_POWERMGT = 0x0800, 88 ADA_FLAG_CAN_DMA48 = 0x1000 89} ada_flags; 90 91typedef enum { 92 ADA_Q_NONE = 0x00, 93 ADA_Q_4K = 0x01, 94} ada_quirks; 95 96typedef enum { 97 ADA_CCB_RAHEAD = 0x01, 98 ADA_CCB_WCACHE = 0x02, 99 ADA_CCB_BUFFER_IO = 0x03, 100 ADA_CCB_WAITING = 0x04, 101 ADA_CCB_DUMP = 0x05, 102 ADA_CCB_TRIM = 0x06, 103 ADA_CCB_TYPE_MASK = 0x0F, 104} ada_ccb_state; 105 106/* Offsets into our private area for storing information */ 107#define ccb_state ppriv_field0 108#define ccb_bp ppriv_ptr1 109 110struct disk_params { 111 u_int8_t heads; 112 u_int8_t secs_per_track; 113 u_int32_t cylinders; 114 u_int32_t secsize; /* Number of bytes/logical sector */ 115 u_int64_t sectors; /* Total number sectors */ 116}; 117 118#define TRIM_MAX_BLOCKS 8 119#define TRIM_MAX_RANGES (TRIM_MAX_BLOCKS * ATA_DSM_BLK_RANGES) 120#define TRIM_MAX_BIOS (TRIM_MAX_RANGES * 4) 121struct trim_request { 122 uint8_t data[TRIM_MAX_RANGES * ATA_DSM_RANGE_SIZE]; 123 struct bio *bps[TRIM_MAX_BIOS]; 124}; 125 126struct ada_softc { 127 struct bio_queue_head bio_queue; 128 struct bio_queue_head trim_queue; 129 ada_state state; 130 ada_flags flags; 131 ada_quirks quirks; 132 int sort_io_queue; 133 int ordered_tag_count; 134 int outstanding_cmds; 135 int trim_max_ranges; 136 int trim_running; 137 int read_ahead; 138 int write_cache; 139#ifdef ADA_TEST_FAILURE 140 int force_read_error; 141 int force_write_error; 142 int periodic_read_error; 143 int periodic_read_count; 144#endif 145 struct disk_params params; 146 struct disk *disk; 147 struct task sysctl_task; 148 struct sysctl_ctx_list sysctl_ctx; 149 struct sysctl_oid *sysctl_tree; 150 struct callout sendordered_c; 151 struct trim_request trim_req; 152}; 153 154struct ada_quirk_entry { 155 struct scsi_inquiry_pattern inq_pat; 156 ada_quirks quirks; 157}; 158 159static struct ada_quirk_entry ada_quirk_table[] = 160{ 161 { 162 /* Hitachi Advanced Format (4k) drives */ 163 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Hitachi H??????????E3*", "*" }, 164 /*quirks*/ADA_Q_4K 165 }, 166 { 167 /* Samsung Advanced Format (4k) drives */ 168 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD155UI*", "*" }, 169 /*quirks*/ADA_Q_4K 170 }, 171 { 172 /* Samsung Advanced Format (4k) drives */ 173 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD204UI*", "*" }, 174 /*quirks*/ADA_Q_4K 175 }, 176 { 177 /* Seagate Barracuda Green Advanced Format (4k) drives */ 178 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DL*", "*" }, 179 /*quirks*/ADA_Q_4K 180 }, 181 { 182 /* Seagate Barracuda Advanced Format (4k) drives */ 183 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???DM*", "*" }, 184 /*quirks*/ADA_Q_4K 185 }, 186 { 187 /* Seagate Barracuda Advanced Format (4k) drives */ 188 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DM*", "*" }, 189 /*quirks*/ADA_Q_4K 190 }, 191 { 192 /* Seagate Momentus Advanced Format (4k) drives */ 193 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500423AS*", "*" }, 194 /*quirks*/ADA_Q_4K 195 }, 196 { 197 /* Seagate Momentus Advanced Format (4k) drives */ 198 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500424AS*", "*" }, 199 /*quirks*/ADA_Q_4K 200 }, 201 { 202 /* Seagate Momentus Advanced Format (4k) drives */ 203 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640423AS*", "*" }, 204 /*quirks*/ADA_Q_4K 205 }, 206 { 207 /* Seagate Momentus Advanced Format (4k) drives */ 208 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640424AS*", "*" }, 209 /*quirks*/ADA_Q_4K 210 }, 211 { 212 /* Seagate Momentus Advanced Format (4k) drives */ 213 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750420AS*", "*" }, 214 /*quirks*/ADA_Q_4K 215 }, 216 { 217 /* Seagate Momentus Advanced Format (4k) drives */ 218 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750422AS*", "*" }, 219 /*quirks*/ADA_Q_4K 220 }, 221 { 222 /* Seagate Momentus Advanced Format (4k) drives */ 223 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750423AS*", "*" }, 224 /*quirks*/ADA_Q_4K 225 }, 226 { 227 /* Seagate Momentus Thin Advanced Format (4k) drives */ 228 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???LT*", "*" }, 229 /*quirks*/ADA_Q_4K 230 }, 231 { 232 /* WDC Caviar Green Advanced Format (4k) drives */ 233 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RS*", "*" }, 234 /*quirks*/ADA_Q_4K 235 }, 236 { 237 /* WDC Caviar Green Advanced Format (4k) drives */ 238 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RX*", "*" }, 239 /*quirks*/ADA_Q_4K 240 }, 241 { 242 /* WDC Caviar Green Advanced Format (4k) drives */ 243 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RS*", "*" }, 244 /*quirks*/ADA_Q_4K 245 }, 246 { 247 /* WDC Caviar Green Advanced Format (4k) drives */ 248 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RX*", "*" }, 249 /*quirks*/ADA_Q_4K 250 }, 251 { 252 /* WDC Scorpio Black Advanced Format (4k) drives */ 253 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PKT*", "*" }, 254 /*quirks*/ADA_Q_4K 255 }, 256 { 257 /* WDC Scorpio Black Advanced Format (4k) drives */ 258 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PKT*", "*" }, 259 /*quirks*/ADA_Q_4K 260 }, 261 { 262 /* WDC Scorpio Blue Advanced Format (4k) drives */ 263 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PVT*", "*" }, 264 /*quirks*/ADA_Q_4K 265 }, 266 { 267 /* WDC Scorpio Blue Advanced Format (4k) drives */ 268 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PVT*", "*" }, 269 /*quirks*/ADA_Q_4K 270 }, 271 { 272 /* 273 * Corsair Force 2 SSDs 274 * 4k optimised & trim only works in 4k requests + 4k aligned 275 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 276 * PR: 169974 277 */ 278 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair CSSD-F*", "*" }, 279 /*quirks*/ADA_Q_4K 280 }, 281 { 282 /* 283 * Corsair Force 3 SSDs 284 * 4k optimised & trim only works in 4k requests + 4k aligned 285 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 286 * PR: 169974 287 */ 288 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force 3*", "*" }, 289 /*quirks*/ADA_Q_4K 290 }, 291 { 292 /* 293 * OCZ Agility 3 SSDs 294 * 4k optimised & trim only works in 4k requests + 4k aligned 295 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 296 * PR: 169974 297 */ 298 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY3*", "*" }, 299 /*quirks*/ADA_Q_4K 300 }, 301 { 302 /* 303 * OCZ Vertex 2 SSDs (inc pro series) 304 * 4k optimised & trim only works in 4k requests + 4k aligned 305 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 306 * PR: 169974 307 */ 308 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ?VERTEX2*", "*" }, 309 /*quirks*/ADA_Q_4K 310 }, 311 { 312 /* 313 * OCZ Vertex 3 SSDs 314 * 4k optimised & trim only works in 4k requests + 4k aligned 315 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 316 * PR: 169974 317 */ 318 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX3*", "*" }, 319 /*quirks*/ADA_Q_4K 320 }, 321 { 322 /* 323 * SuperTalent TeraDrive CT SSDs 324 * 4k optimised & trim only works in 4k requests + 4k aligned 325 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 326 * PR: 169974 327 */ 328 { T_DIRECT, SIP_MEDIA_FIXED, "*", "FTM??CT25H*", "*" }, 329 /*quirks*/ADA_Q_4K 330 }, 331 { 332 /* 333 * Crucial RealSSD C300 SSDs 334 * 4k optimised 335 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 336 * PR: 169974 337 */ 338 { T_DIRECT, SIP_MEDIA_FIXED, "*", "C300-CTFDDAC???MAG*", 339 "*" }, /*quirks*/ADA_Q_4K 340 }, 341 { 342 /* 343 * XceedIOPS SATA SSDs 344 * 4k optimised 345 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 346 * PR: 169974 347 */ 348 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SG9XCS2D*", "*" }, 349 /*quirks*/ADA_Q_4K 350 }, 351 { 352 /* 353 * Intel 330 Series SSDs 354 * 4k optimised & trim only works in 4k requests + 4k aligned 355 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 356 * PR: 169974 357 */ 358 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2ct*", "*" }, 359 /*quirks*/ADA_Q_4K 360 }, 361 { 362 /* 363 * OCZ Deneva R Series SSDs 364 * 4k optimised & trim only works in 4k requests + 4k aligned 365 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 366 * PR: 169974 367 */ 368 { T_DIRECT, SIP_MEDIA_FIXED, "*", "DENRSTE251M45*", "*" }, 369 /*quirks*/ADA_Q_4K 370 }, 371 { 372 /* 373 * Kingston HyperX 3k SSDs 374 * 4k optimised & trim only works in 4k requests + 4k aligned 375 * Submitted by: Steven Hartland <steven.hartland@multiplay.co.uk> 376 * PR: 169974 377 */ 378 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SH103S3*", "*" }, 379 /*quirks*/ADA_Q_4K 380 }, 381 { 382 /* Default */ 383 { 384 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 385 /*vendor*/"*", /*product*/"*", /*revision*/"*" 386 }, 387 /*quirks*/0 388 }, 389}; 390 391static disk_strategy_t adastrategy; 392static dumper_t adadump; 393static periph_init_t adainit; 394static void adaasync(void *callback_arg, u_int32_t code, 395 struct cam_path *path, void *arg); 396static void adasysctlinit(void *context, int pending); 397static periph_ctor_t adaregister; 398static periph_dtor_t adacleanup; 399static periph_start_t adastart; 400static periph_oninv_t adaoninvalidate; 401static void adadone(struct cam_periph *periph, 402 union ccb *done_ccb); 403static int adaerror(union ccb *ccb, u_int32_t cam_flags, 404 u_int32_t sense_flags); 405static void adagetparams(struct cam_periph *periph, 406 struct ccb_getdev *cgd); 407static timeout_t adasendorderedtag; 408static void adashutdown(void *arg, int howto); 409static void adasuspend(void *arg); 410static void adaresume(void *arg); 411 412#ifndef ADA_DEFAULT_LEGACY_ALIASES 413#define ADA_DEFAULT_LEGACY_ALIASES 1 414#endif 415 416#ifndef ADA_DEFAULT_TIMEOUT 417#define ADA_DEFAULT_TIMEOUT 30 /* Timeout in seconds */ 418#endif 419 420#ifndef ADA_DEFAULT_RETRY 421#define ADA_DEFAULT_RETRY 4 422#endif 423 424#ifndef ADA_DEFAULT_SEND_ORDERED 425#define ADA_DEFAULT_SEND_ORDERED 1 426#endif 427 428#ifndef ADA_DEFAULT_SPINDOWN_SHUTDOWN 429#define ADA_DEFAULT_SPINDOWN_SHUTDOWN 1 430#endif 431 432#ifndef ADA_DEFAULT_SPINDOWN_SUSPEND 433#define ADA_DEFAULT_SPINDOWN_SUSPEND 1 434#endif 435 436#ifndef ADA_DEFAULT_READ_AHEAD 437#define ADA_DEFAULT_READ_AHEAD 1 438#endif 439 440#ifndef ADA_DEFAULT_WRITE_CACHE 441#define ADA_DEFAULT_WRITE_CACHE 1 442#endif 443 444#define ADA_RA (softc->read_ahead >= 0 ? \ 445 softc->read_ahead : ada_read_ahead) 446#define ADA_WC (softc->write_cache >= 0 ? \ 447 softc->write_cache : ada_write_cache) 448#define ADA_SIO (softc->sort_io_queue >= 0 ? \ 449 softc->sort_io_queue : cam_sort_io_queues) 450 451/* 452 * Most platforms map firmware geometry to actual, but some don't. If 453 * not overridden, default to nothing. 454 */ 455#ifndef ata_disk_firmware_geom_adjust 456#define ata_disk_firmware_geom_adjust(disk) 457#endif 458 459static int ada_legacy_aliases = ADA_DEFAULT_LEGACY_ALIASES; 460static int ada_retry_count = ADA_DEFAULT_RETRY; 461static int ada_default_timeout = ADA_DEFAULT_TIMEOUT; 462static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED; 463static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN; 464static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND; 465static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD; 466static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE; 467 468static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD, 0, 469 "CAM Direct Access Disk driver"); 470SYSCTL_INT(_kern_cam_ada, OID_AUTO, legacy_aliases, CTLFLAG_RW, 471 &ada_legacy_aliases, 0, "Create legacy-like device aliases"); 472TUNABLE_INT("kern.cam.ada.legacy_aliases", &ada_legacy_aliases); 473SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RW, 474 &ada_retry_count, 0, "Normal I/O retry count"); 475TUNABLE_INT("kern.cam.ada.retry_count", &ada_retry_count); 476SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RW, 477 &ada_default_timeout, 0, "Normal I/O timeout (in seconds)"); 478TUNABLE_INT("kern.cam.ada.default_timeout", &ada_default_timeout); 479SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RW, 480 &ada_send_ordered, 0, "Send Ordered Tags"); 481TUNABLE_INT("kern.cam.ada.send_ordered", &ada_send_ordered); 482SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RW, 483 &ada_spindown_shutdown, 0, "Spin down upon shutdown"); 484TUNABLE_INT("kern.cam.ada.spindown_shutdown", &ada_spindown_shutdown); 485SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RW, 486 &ada_spindown_suspend, 0, "Spin down upon suspend"); 487TUNABLE_INT("kern.cam.ada.spindown_suspend", &ada_spindown_suspend); 488SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RW, 489 &ada_read_ahead, 0, "Enable disk read-ahead"); 490TUNABLE_INT("kern.cam.ada.read_ahead", &ada_read_ahead); 491SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RW, 492 &ada_write_cache, 0, "Enable disk write cache"); 493TUNABLE_INT("kern.cam.ada.write_cache", &ada_write_cache); 494 495/* 496 * ADA_ORDEREDTAG_INTERVAL determines how often, relative 497 * to the default timeout, we check to see whether an ordered 498 * tagged transaction is appropriate to prevent simple tag 499 * starvation. Since we'd like to ensure that there is at least 500 * 1/2 of the timeout length left for a starved transaction to 501 * complete after we've sent an ordered tag, we must poll at least 502 * four times in every timeout period. This takes care of the worst 503 * case where a starved transaction starts during an interval that 504 * meets the requirement "don't send an ordered tag" test so it takes 505 * us two intervals to determine that a tag must be sent. 506 */ 507#ifndef ADA_ORDEREDTAG_INTERVAL 508#define ADA_ORDEREDTAG_INTERVAL 4 509#endif 510 511static struct periph_driver adadriver = 512{ 513 adainit, "ada", 514 TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0 515}; 516 517PERIPHDRIVER_DECLARE(ada, adadriver); 518 519static MALLOC_DEFINE(M_ATADA, "ata_da", "ata_da buffers"); 520 521static int 522adaopen(struct disk *dp) 523{ 524 struct cam_periph *periph; 525 struct ada_softc *softc; 526 int error; 527 528 periph = (struct cam_periph *)dp->d_drv1; 529 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 530 return(ENXIO); 531 } 532 533 cam_periph_lock(periph); 534 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 535 cam_periph_unlock(periph); 536 cam_periph_release(periph); 537 return (error); 538 } 539 540 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 541 ("adaopen\n")); 542 543 softc = (struct ada_softc *)periph->softc; 544 softc->flags |= ADA_FLAG_OPEN; 545 546 cam_periph_unhold(periph); 547 cam_periph_unlock(periph); 548 return (0); 549} 550 551static int 552adaclose(struct disk *dp) 553{ 554 struct cam_periph *periph; 555 struct ada_softc *softc; 556 union ccb *ccb; 557 558 periph = (struct cam_periph *)dp->d_drv1; 559 cam_periph_lock(periph); 560 if (cam_periph_hold(periph, PRIBIO) != 0) { 561 cam_periph_unlock(periph); 562 cam_periph_release(periph); 563 return (0); 564 } 565 566 softc = (struct ada_softc *)periph->softc; 567 568 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 569 ("adaclose\n")); 570 571 /* We only sync the cache if the drive is capable of it. */ 572 if ((softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 && 573 (periph->flags & CAM_PERIPH_INVALID) == 0) { 574 575 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 576 cam_fill_ataio(&ccb->ataio, 577 1, 578 adadone, 579 CAM_DIR_NONE, 580 0, 581 NULL, 582 0, 583 ada_default_timeout*1000); 584 585 if (softc->flags & ADA_FLAG_CAN_48BIT) 586 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 587 else 588 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 589 cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 590 /*sense_flags*/0, softc->disk->d_devstat); 591 592 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 593 xpt_print(periph->path, "Synchronize cache failed\n"); 594 xpt_release_ccb(ccb); 595 } 596 597 softc->flags &= ~ADA_FLAG_OPEN; 598 cam_periph_unhold(periph); 599 cam_periph_unlock(periph); 600 cam_periph_release(periph); 601 return (0); 602} 603 604static void 605adaschedule(struct cam_periph *periph) 606{ 607 struct ada_softc *softc = (struct ada_softc *)periph->softc; 608 uint32_t prio; 609 610 if (softc->state != ADA_STATE_NORMAL) 611 return; 612 613 /* Check if cam_periph_getccb() was called. */ 614 prio = periph->immediate_priority; 615 616 /* Check if we have more work to do. */ 617 if (bioq_first(&softc->bio_queue) || 618 (!softc->trim_running && bioq_first(&softc->trim_queue))) { 619 prio = CAM_PRIORITY_NORMAL; 620 } 621 622 /* Schedule CCB if any of above is true. */ 623 if (prio != CAM_PRIORITY_NONE) 624 xpt_schedule(periph, prio); 625} 626 627/* 628 * Actually translate the requested transfer into one the physical driver 629 * can understand. The transfer is described by a buf and will include 630 * only one physical transfer. 631 */ 632static void 633adastrategy(struct bio *bp) 634{ 635 struct cam_periph *periph; 636 struct ada_softc *softc; 637 638 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 639 softc = (struct ada_softc *)periph->softc; 640 641 cam_periph_lock(periph); 642 643 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp)); 644 645 /* 646 * If the device has been made invalid, error out 647 */ 648 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 649 cam_periph_unlock(periph); 650 biofinish(bp, NULL, ENXIO); 651 return; 652 } 653 654 /* 655 * Place it in the queue of disk activities for this disk 656 */ 657 if (bp->bio_cmd == BIO_DELETE && 658 (softc->flags & ADA_FLAG_CAN_TRIM)) { 659 if (ADA_SIO) 660 bioq_disksort(&softc->trim_queue, bp); 661 else 662 bioq_insert_tail(&softc->trim_queue, bp); 663 } else { 664 if (ADA_SIO) 665 bioq_disksort(&softc->bio_queue, bp); 666 else 667 bioq_insert_tail(&softc->bio_queue, bp); 668 } 669 670 /* 671 * Schedule ourselves for performing the work. 672 */ 673 adaschedule(periph); 674 cam_periph_unlock(periph); 675 676 return; 677} 678 679static int 680adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 681{ 682 struct cam_periph *periph; 683 struct ada_softc *softc; 684 u_int secsize; 685 union ccb ccb; 686 struct disk *dp; 687 uint64_t lba; 688 uint16_t count; 689 int error = 0; 690 691 dp = arg; 692 periph = dp->d_drv1; 693 softc = (struct ada_softc *)periph->softc; 694 cam_periph_lock(periph); 695 secsize = softc->params.secsize; 696 lba = offset / secsize; 697 count = length / secsize; 698 699 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 700 cam_periph_unlock(periph); 701 return (ENXIO); 702 } 703 704 if (length > 0) { 705 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 706 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 707 cam_fill_ataio(&ccb.ataio, 708 0, 709 adadone, 710 CAM_DIR_OUT, 711 0, 712 (u_int8_t *) virtual, 713 length, 714 ada_default_timeout*1000); 715 if ((softc->flags & ADA_FLAG_CAN_48BIT) && 716 (lba + count >= ATA_MAX_28BIT_LBA || 717 count >= 256)) { 718 ata_48bit_cmd(&ccb.ataio, ATA_WRITE_DMA48, 719 0, lba, count); 720 } else { 721 ata_28bit_cmd(&ccb.ataio, ATA_WRITE_DMA, 722 0, lba, count); 723 } 724 xpt_polled_action(&ccb); 725 726 error = cam_periph_error(&ccb, 727 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 728 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 729 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 730 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 731 if (error != 0) 732 printf("Aborting dump due to I/O error.\n"); 733 734 cam_periph_unlock(periph); 735 return (error); 736 } 737 738 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { 739 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 740 741 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 742 cam_fill_ataio(&ccb.ataio, 743 0, 744 adadone, 745 CAM_DIR_NONE, 746 0, 747 NULL, 748 0, 749 ada_default_timeout*1000); 750 751 if (softc->flags & ADA_FLAG_CAN_48BIT) 752 ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); 753 else 754 ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); 755 xpt_polled_action(&ccb); 756 757 error = cam_periph_error(&ccb, 758 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 759 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 760 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 761 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 762 if (error != 0) 763 xpt_print(periph->path, "Synchronize cache failed\n"); 764 } 765 cam_periph_unlock(periph); 766 return (error); 767} 768 769static void 770adainit(void) 771{ 772 cam_status status; 773 774 /* 775 * Install a global async callback. This callback will 776 * receive async callbacks like "new device found". 777 */ 778 status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL); 779 780 if (status != CAM_REQ_CMP) { 781 printf("ada: Failed to attach master async callback " 782 "due to status 0x%x!\n", status); 783 } else if (ada_send_ordered) { 784 785 /* Register our event handlers */ 786 if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend, 787 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 788 printf("adainit: power event registration failed!\n"); 789 if ((EVENTHANDLER_REGISTER(power_resume, adaresume, 790 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 791 printf("adainit: power event registration failed!\n"); 792 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown, 793 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 794 printf("adainit: shutdown event registration failed!\n"); 795 } 796} 797 798/* 799 * Callback from GEOM, called when it has finished cleaning up its 800 * resources. 801 */ 802static void 803adadiskgonecb(struct disk *dp) 804{ 805 struct cam_periph *periph; 806 807 periph = (struct cam_periph *)dp->d_drv1; 808 809 cam_periph_release(periph); 810} 811 812static void 813adaoninvalidate(struct cam_periph *periph) 814{ 815 struct ada_softc *softc; 816 817 softc = (struct ada_softc *)periph->softc; 818 819 /* 820 * De-register any async callbacks. 821 */ 822 xpt_register_async(0, adaasync, periph, periph->path); 823 824 /* 825 * Return all queued I/O with ENXIO. 826 * XXX Handle any transactions queued to the card 827 * with XPT_ABORT_CCB. 828 */ 829 bioq_flush(&softc->bio_queue, NULL, ENXIO); 830 bioq_flush(&softc->trim_queue, NULL, ENXIO); 831 832 disk_gone(softc->disk); 833 xpt_print(periph->path, "lost device\n"); 834} 835 836static void 837adacleanup(struct cam_periph *periph) 838{ 839 struct ada_softc *softc; 840 841 softc = (struct ada_softc *)periph->softc; 842 843 xpt_print(periph->path, "removing device entry\n"); 844 cam_periph_unlock(periph); 845 846 /* 847 * If we can't free the sysctl tree, oh well... 848 */ 849 if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0 850 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 851 xpt_print(periph->path, "can't remove sysctl context\n"); 852 } 853 854 disk_destroy(softc->disk); 855 callout_drain(&softc->sendordered_c); 856 free(softc, M_DEVBUF); 857 cam_periph_lock(periph); 858} 859 860static void 861adaasync(void *callback_arg, u_int32_t code, 862 struct cam_path *path, void *arg) 863{ 864 struct ccb_getdev cgd; 865 struct cam_periph *periph; 866 struct ada_softc *softc; 867 868 periph = (struct cam_periph *)callback_arg; 869 switch (code) { 870 case AC_FOUND_DEVICE: 871 { 872 struct ccb_getdev *cgd; 873 cam_status status; 874 875 cgd = (struct ccb_getdev *)arg; 876 if (cgd == NULL) 877 break; 878 879 if (cgd->protocol != PROTO_ATA) 880 break; 881 882 /* 883 * Allocate a peripheral instance for 884 * this device and start the probe 885 * process. 886 */ 887 status = cam_periph_alloc(adaregister, adaoninvalidate, 888 adacleanup, adastart, 889 "ada", CAM_PERIPH_BIO, 890 cgd->ccb_h.path, adaasync, 891 AC_FOUND_DEVICE, cgd); 892 893 if (status != CAM_REQ_CMP 894 && status != CAM_REQ_INPROG) 895 printf("adaasync: Unable to attach to new device " 896 "due to status 0x%x\n", status); 897 break; 898 } 899 case AC_GETDEV_CHANGED: 900 { 901 softc = (struct ada_softc *)periph->softc; 902 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 903 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 904 xpt_action((union ccb *)&cgd); 905 906 if ((cgd.ident_data.capabilities1 & ATA_SUPPORT_DMA) && 907 (cgd.inq_flags & SID_DMA)) 908 softc->flags |= ADA_FLAG_CAN_DMA; 909 else 910 softc->flags &= ~ADA_FLAG_CAN_DMA; 911 if (cgd.ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 912 softc->flags |= ADA_FLAG_CAN_48BIT; 913 if (cgd.inq_flags & SID_DMA48) 914 softc->flags |= ADA_FLAG_CAN_DMA48; 915 else 916 softc->flags &= ~ADA_FLAG_CAN_DMA48; 917 } else 918 softc->flags &= ~(ADA_FLAG_CAN_48BIT | 919 ADA_FLAG_CAN_DMA48); 920 if ((cgd.ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 921 (cgd.inq_flags & SID_DMA) && (cgd.inq_flags & SID_CmdQue)) 922 softc->flags |= ADA_FLAG_CAN_NCQ; 923 else 924 softc->flags &= ~ADA_FLAG_CAN_NCQ; 925 if ((cgd.ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 926 (cgd.inq_flags & SID_DMA)) 927 softc->flags |= ADA_FLAG_CAN_TRIM; 928 else 929 softc->flags &= ~ADA_FLAG_CAN_TRIM; 930 931 cam_periph_async(periph, code, path, arg); 932 break; 933 } 934 case AC_ADVINFO_CHANGED: 935 { 936 uintptr_t buftype; 937 938 buftype = (uintptr_t)arg; 939 if (buftype == CDAI_TYPE_PHYS_PATH) { 940 struct ada_softc *softc; 941 942 softc = periph->softc; 943 disk_attr_changed(softc->disk, "GEOM::physpath", 944 M_NOWAIT); 945 } 946 break; 947 } 948 case AC_SENT_BDR: 949 case AC_BUS_RESET: 950 { 951 softc = (struct ada_softc *)periph->softc; 952 cam_periph_async(periph, code, path, arg); 953 if (softc->state != ADA_STATE_NORMAL) 954 break; 955 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 956 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 957 xpt_action((union ccb *)&cgd); 958 if (ADA_RA >= 0 && 959 cgd.ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) 960 softc->state = ADA_STATE_RAHEAD; 961 else if (ADA_WC >= 0 && 962 cgd.ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) 963 softc->state = ADA_STATE_WCACHE; 964 else 965 break; 966 cam_periph_acquire(periph); 967 xpt_schedule(periph, CAM_PRIORITY_DEV); 968 } 969 default: 970 cam_periph_async(periph, code, path, arg); 971 break; 972 } 973} 974 975static void 976adasysctlinit(void *context, int pending) 977{ 978 struct cam_periph *periph; 979 struct ada_softc *softc; 980 char tmpstr[80], tmpstr2[80]; 981 982 periph = (struct cam_periph *)context; 983 984 /* periph was held for us when this task was enqueued */ 985 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 986 cam_periph_release(periph); 987 return; 988 } 989 990 softc = (struct ada_softc *)periph->softc; 991 snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d", periph->unit_number); 992 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 993 994 sysctl_ctx_init(&softc->sysctl_ctx); 995 softc->flags |= ADA_FLAG_SCTX_INIT; 996 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 997 SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2, 998 CTLFLAG_RD, 0, tmpstr); 999 if (softc->sysctl_tree == NULL) { 1000 printf("adasysctlinit: unable to allocate sysctl tree\n"); 1001 cam_periph_release(periph); 1002 return; 1003 } 1004 1005 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1006 OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE, 1007 &softc->read_ahead, 0, "Enable disk read ahead."); 1008 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1009 OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE, 1010 &softc->write_cache, 0, "Enable disk write cache."); 1011 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1012 OID_AUTO, "sort_io_queue", CTLFLAG_RW | CTLFLAG_MPSAFE, 1013 &softc->sort_io_queue, 0, 1014 "Sort IO queue to try and optimise disk access patterns"); 1015#ifdef ADA_TEST_FAILURE 1016 /* 1017 * Add a 'door bell' sysctl which allows one to set it from userland 1018 * and cause something bad to happen. For the moment, we only allow 1019 * whacking the next read or write. 1020 */ 1021 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1022 OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1023 &softc->force_read_error, 0, 1024 "Force a read error for the next N reads."); 1025 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1026 OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1027 &softc->force_write_error, 0, 1028 "Force a write error for the next N writes."); 1029 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1030 OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1031 &softc->periodic_read_error, 0, 1032 "Force a read error every N reads (don't set too low)."); 1033#endif 1034 cam_periph_release(periph); 1035} 1036 1037static int 1038adagetattr(struct bio *bp) 1039{ 1040 int ret; 1041 struct cam_periph *periph; 1042 1043 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1044 cam_periph_lock(periph); 1045 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1046 periph->path); 1047 cam_periph_unlock(periph); 1048 if (ret == 0) 1049 bp->bio_completed = bp->bio_length; 1050 return ret; 1051} 1052 1053static cam_status 1054adaregister(struct cam_periph *periph, void *arg) 1055{ 1056 struct ada_softc *softc; 1057 struct ccb_pathinq cpi; 1058 struct ccb_getdev *cgd; 1059 char announce_buf[80], buf1[32]; 1060 struct disk_params *dp; 1061 caddr_t match; 1062 u_int maxio; 1063 int legacy_id, quirks; 1064 1065 cgd = (struct ccb_getdev *)arg; 1066 if (cgd == NULL) { 1067 printf("adaregister: no getdev CCB, can't register device\n"); 1068 return(CAM_REQ_CMP_ERR); 1069 } 1070 1071 softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF, 1072 M_NOWAIT|M_ZERO); 1073 1074 if (softc == NULL) { 1075 printf("adaregister: Unable to probe new device. " 1076 "Unable to allocate softc\n"); 1077 return(CAM_REQ_CMP_ERR); 1078 } 1079 1080 bioq_init(&softc->bio_queue); 1081 bioq_init(&softc->trim_queue); 1082 1083 if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1084 (cgd->inq_flags & SID_DMA)) 1085 softc->flags |= ADA_FLAG_CAN_DMA; 1086 if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1087 softc->flags |= ADA_FLAG_CAN_48BIT; 1088 if (cgd->inq_flags & SID_DMA48) 1089 softc->flags |= ADA_FLAG_CAN_DMA48; 1090 } 1091 if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE) 1092 softc->flags |= ADA_FLAG_CAN_FLUSHCACHE; 1093 if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT) 1094 softc->flags |= ADA_FLAG_CAN_POWERMGT; 1095 if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1096 (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue)) 1097 softc->flags |= ADA_FLAG_CAN_NCQ; 1098 if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1099 (cgd->inq_flags & SID_DMA)) { 1100 softc->flags |= ADA_FLAG_CAN_TRIM; 1101 softc->trim_max_ranges = TRIM_MAX_RANGES; 1102 if (cgd->ident_data.max_dsm_blocks != 0) { 1103 softc->trim_max_ranges = 1104 min(cgd->ident_data.max_dsm_blocks * 1105 ATA_DSM_BLK_RANGES, softc->trim_max_ranges); 1106 } 1107 } 1108 if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA) 1109 softc->flags |= ADA_FLAG_CAN_CFA; 1110 1111 periph->softc = softc; 1112 1113 /* 1114 * See if this device has any quirks. 1115 */ 1116 match = cam_quirkmatch((caddr_t)&cgd->ident_data, 1117 (caddr_t)ada_quirk_table, 1118 sizeof(ada_quirk_table)/sizeof(*ada_quirk_table), 1119 sizeof(*ada_quirk_table), ata_identify_match); 1120 if (match != NULL) 1121 softc->quirks = ((struct ada_quirk_entry *)match)->quirks; 1122 else 1123 softc->quirks = ADA_Q_NONE; 1124 1125 bzero(&cpi, sizeof(cpi)); 1126 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 1127 cpi.ccb_h.func_code = XPT_PATH_INQ; 1128 xpt_action((union ccb *)&cpi); 1129 1130 TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph); 1131 1132 /* 1133 * Register this media as a disk 1134 */ 1135 (void)cam_periph_hold(periph, PRIBIO); 1136 cam_periph_unlock(periph); 1137 snprintf(announce_buf, sizeof(announce_buf), 1138 "kern.cam.ada.%d.quirks", periph->unit_number); 1139 quirks = softc->quirks; 1140 TUNABLE_INT_FETCH(announce_buf, &quirks); 1141 softc->quirks = quirks; 1142 softc->read_ahead = -1; 1143 snprintf(announce_buf, sizeof(announce_buf), 1144 "kern.cam.ada.%d.read_ahead", periph->unit_number); 1145 TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead); 1146 softc->write_cache = -1; 1147 snprintf(announce_buf, sizeof(announce_buf), 1148 "kern.cam.ada.%d.write_cache", periph->unit_number); 1149 TUNABLE_INT_FETCH(announce_buf, &softc->write_cache); 1150 /* Disable queue sorting for non-rotational media by default. */ 1151 if (cgd->ident_data.media_rotation_rate == 1) 1152 softc->sort_io_queue = 0; 1153 else 1154 softc->sort_io_queue = -1; 1155 adagetparams(periph, cgd); 1156 softc->disk = disk_alloc(); 1157 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1158 periph->unit_number, softc->params.secsize, 1159 DEVSTAT_ALL_SUPPORTED, 1160 DEVSTAT_TYPE_DIRECT | 1161 XPORT_DEVSTAT_TYPE(cpi.transport), 1162 DEVSTAT_PRIORITY_DISK); 1163 softc->disk->d_open = adaopen; 1164 softc->disk->d_close = adaclose; 1165 softc->disk->d_strategy = adastrategy; 1166 softc->disk->d_getattr = adagetattr; 1167 softc->disk->d_dump = adadump; 1168 softc->disk->d_gone = adadiskgonecb; 1169 softc->disk->d_name = "ada"; 1170 softc->disk->d_drv1 = periph; 1171 maxio = cpi.maxio; /* Honor max I/O size of SIM */ 1172 if (maxio == 0) 1173 maxio = DFLTPHYS; /* traditional default */ 1174 else if (maxio > MAXPHYS) 1175 maxio = MAXPHYS; /* for safety */ 1176 if (softc->flags & ADA_FLAG_CAN_48BIT) 1177 maxio = min(maxio, 65536 * softc->params.secsize); 1178 else /* 28bit ATA command limit */ 1179 maxio = min(maxio, 256 * softc->params.secsize); 1180 softc->disk->d_maxsize = maxio; 1181 softc->disk->d_unit = periph->unit_number; 1182 softc->disk->d_flags = 0; 1183 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) 1184 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1185 if (softc->flags & ADA_FLAG_CAN_TRIM) { 1186 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1187 softc->disk->d_delmaxsize = softc->params.secsize * 1188 ATA_DSM_RANGE_MAX * 1189 softc->trim_max_ranges; 1190 } else if ((softc->flags & ADA_FLAG_CAN_CFA) && 1191 !(softc->flags & ADA_FLAG_CAN_48BIT)) { 1192 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1193 softc->disk->d_delmaxsize = 256 * softc->params.secsize; 1194 } else 1195 softc->disk->d_delmaxsize = maxio; 1196 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) 1197 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 1198 strlcpy(softc->disk->d_descr, cgd->ident_data.model, 1199 MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model))); 1200 strlcpy(softc->disk->d_ident, cgd->ident_data.serial, 1201 MIN(sizeof(softc->disk->d_ident), sizeof(cgd->ident_data.serial))); 1202 softc->disk->d_hba_vendor = cpi.hba_vendor; 1203 softc->disk->d_hba_device = cpi.hba_device; 1204 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1205 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1206 1207 softc->disk->d_sectorsize = softc->params.secsize; 1208 softc->disk->d_mediasize = (off_t)softc->params.sectors * 1209 softc->params.secsize; 1210 if (ata_physical_sector_size(&cgd->ident_data) != 1211 softc->params.secsize) { 1212 softc->disk->d_stripesize = 1213 ata_physical_sector_size(&cgd->ident_data); 1214 softc->disk->d_stripeoffset = (softc->disk->d_stripesize - 1215 ata_logical_sector_offset(&cgd->ident_data)) % 1216 softc->disk->d_stripesize; 1217 } else if (softc->quirks & ADA_Q_4K) { 1218 softc->disk->d_stripesize = 4096; 1219 softc->disk->d_stripeoffset = 0; 1220 } 1221 softc->disk->d_fwsectors = softc->params.secs_per_track; 1222 softc->disk->d_fwheads = softc->params.heads; 1223 ata_disk_firmware_geom_adjust(softc->disk); 1224 1225 if (ada_legacy_aliases) { 1226#ifdef ATA_STATIC_ID 1227 legacy_id = xpt_path_legacy_ata_id(periph->path); 1228#else 1229 legacy_id = softc->disk->d_unit; 1230#endif 1231 if (legacy_id >= 0) { 1232 snprintf(announce_buf, sizeof(announce_buf), 1233 "kern.devalias.%s%d", 1234 softc->disk->d_name, softc->disk->d_unit); 1235 snprintf(buf1, sizeof(buf1), 1236 "ad%d", legacy_id); 1237 setenv(announce_buf, buf1); 1238 } 1239 } else 1240 legacy_id = -1; 1241 /* 1242 * Acquire a reference to the periph before we register with GEOM. 1243 * We'll release this reference once GEOM calls us back (via 1244 * adadiskgonecb()) telling us that our provider has been freed. 1245 */ 1246 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1247 xpt_print(periph->path, "%s: lost periph during " 1248 "registration!\n", __func__); 1249 cam_periph_lock(periph); 1250 return (CAM_REQ_CMP_ERR); 1251 } 1252 disk_create(softc->disk, DISK_VERSION); 1253 cam_periph_lock(periph); 1254 cam_periph_unhold(periph); 1255 1256 dp = &softc->params; 1257 snprintf(announce_buf, sizeof(announce_buf), 1258 "%juMB (%ju %u byte sectors: %dH %dS/T %dC)", 1259 (uintmax_t)(((uintmax_t)dp->secsize * 1260 dp->sectors) / (1024*1024)), 1261 (uintmax_t)dp->sectors, 1262 dp->secsize, dp->heads, 1263 dp->secs_per_track, dp->cylinders); 1264 xpt_announce_periph(periph, announce_buf); 1265 if (legacy_id >= 0) 1266 printf("%s%d: Previously was known as ad%d\n", 1267 periph->periph_name, periph->unit_number, legacy_id); 1268 1269 /* 1270 * Create our sysctl variables, now that we know 1271 * we have successfully attached. 1272 */ 1273 cam_periph_acquire(periph); 1274 taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task); 1275 1276 /* 1277 * Add async callbacks for bus reset and 1278 * bus device reset calls. I don't bother 1279 * checking if this fails as, in most cases, 1280 * the system will function just fine without 1281 * them and the only alternative would be to 1282 * not attach the device on failure. 1283 */ 1284 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 1285 AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED, 1286 adaasync, periph, periph->path); 1287 1288 /* 1289 * Schedule a periodic event to occasionally send an 1290 * ordered tag to a device. 1291 */ 1292 callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0); 1293 callout_reset(&softc->sendordered_c, 1294 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1295 adasendorderedtag, softc); 1296 1297 if (ADA_RA >= 0 && 1298 cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) { 1299 softc->state = ADA_STATE_RAHEAD; 1300 cam_periph_acquire(periph); 1301 xpt_schedule(periph, CAM_PRIORITY_DEV); 1302 } else if (ADA_WC >= 0 && 1303 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1304 softc->state = ADA_STATE_WCACHE; 1305 cam_periph_acquire(periph); 1306 xpt_schedule(periph, CAM_PRIORITY_DEV); 1307 } else 1308 softc->state = ADA_STATE_NORMAL; 1309 1310 return(CAM_REQ_CMP); 1311} 1312 1313static void 1314adastart(struct cam_periph *periph, union ccb *start_ccb) 1315{ 1316 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1317 struct ccb_ataio *ataio = &start_ccb->ataio; 1318 1319 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n")); 1320 1321 switch (softc->state) { 1322 case ADA_STATE_NORMAL: 1323 { 1324 struct bio *bp; 1325 u_int8_t tag_code; 1326 1327 /* Execute immediate CCB if waiting. */ 1328 if (periph->immediate_priority <= periph->pinfo.priority) { 1329 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 1330 ("queuing for immediate ccb\n")); 1331 start_ccb->ccb_h.ccb_state = ADA_CCB_WAITING; 1332 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 1333 periph_links.sle); 1334 periph->immediate_priority = CAM_PRIORITY_NONE; 1335 wakeup(&periph->ccb_list); 1336 /* Have more work to do, so ensure we stay scheduled */ 1337 adaschedule(periph); 1338 break; 1339 } 1340 /* Run TRIM if not running yet. */ 1341 if (!softc->trim_running && 1342 (bp = bioq_first(&softc->trim_queue)) != 0) { 1343 struct trim_request *req = &softc->trim_req; 1344 struct bio *bp1; 1345 uint64_t lastlba = (uint64_t)-1; 1346 int bps = 0, c, lastcount = 0, off, ranges = 0; 1347 1348 softc->trim_running = 1; 1349 bzero(req, sizeof(*req)); 1350 bp1 = bp; 1351 do { 1352 uint64_t lba = bp1->bio_pblkno; 1353 int count = bp1->bio_bcount / 1354 softc->params.secsize; 1355 1356 bioq_remove(&softc->trim_queue, bp1); 1357 1358 /* Try to extend the previous range. */ 1359 if (lba == lastlba) { 1360 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 1361 lastcount += c; 1362 off = (ranges - 1) * ATA_DSM_RANGE_SIZE; 1363 req->data[off + 6] = lastcount & 0xff; 1364 req->data[off + 7] = 1365 (lastcount >> 8) & 0xff; 1366 count -= c; 1367 lba += c; 1368 } 1369 1370 while (count > 0) { 1371 c = min(count, ATA_DSM_RANGE_MAX); 1372 off = ranges * ATA_DSM_RANGE_SIZE; 1373 req->data[off + 0] = lba & 0xff; 1374 req->data[off + 1] = (lba >> 8) & 0xff; 1375 req->data[off + 2] = (lba >> 16) & 0xff; 1376 req->data[off + 3] = (lba >> 24) & 0xff; 1377 req->data[off + 4] = (lba >> 32) & 0xff; 1378 req->data[off + 5] = (lba >> 40) & 0xff; 1379 req->data[off + 6] = c & 0xff; 1380 req->data[off + 7] = (c >> 8) & 0xff; 1381 lba += c; 1382 count -= c; 1383 lastcount = c; 1384 ranges++; 1385 /* 1386 * Its the caller's responsibility to ensure the 1387 * request will fit so we don't need to check for 1388 * overrun here 1389 */ 1390 } 1391 lastlba = lba; 1392 req->bps[bps++] = bp1; 1393 bp1 = bioq_first(&softc->trim_queue); 1394 if (bps >= TRIM_MAX_BIOS || 1395 bp1 == NULL || 1396 bp1->bio_bcount / softc->params.secsize > 1397 (softc->trim_max_ranges - ranges) * 1398 ATA_DSM_RANGE_MAX) 1399 break; 1400 } while (1); 1401 cam_fill_ataio(ataio, 1402 ada_retry_count, 1403 adadone, 1404 CAM_DIR_OUT, 1405 0, 1406 req->data, 1407 ((ranges + ATA_DSM_BLK_RANGES - 1) / 1408 ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE, 1409 ada_default_timeout * 1000); 1410 ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT, 1411 ATA_DSM_TRIM, 0, (ranges + ATA_DSM_BLK_RANGES - 1412 1) / ATA_DSM_BLK_RANGES); 1413 start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM; 1414 goto out; 1415 } 1416 /* Run regular command. */ 1417 bp = bioq_first(&softc->bio_queue); 1418 if (bp == NULL) { 1419 xpt_release_ccb(start_ccb); 1420 break; 1421 } 1422 bioq_remove(&softc->bio_queue, bp); 1423 1424 if ((bp->bio_flags & BIO_ORDERED) != 0 1425 || (softc->flags & ADA_FLAG_NEED_OTAG) != 0) { 1426 softc->flags &= ~ADA_FLAG_NEED_OTAG; 1427 softc->ordered_tag_count++; 1428 tag_code = 0; 1429 } else { 1430 tag_code = 1; 1431 } 1432 switch (bp->bio_cmd) { 1433 case BIO_READ: 1434 case BIO_WRITE: 1435 { 1436 uint64_t lba = bp->bio_pblkno; 1437 uint16_t count = bp->bio_bcount / softc->params.secsize; 1438#ifdef ADA_TEST_FAILURE 1439 int fail = 0; 1440 1441 /* 1442 * Support the failure ioctls. If the command is a 1443 * read, and there are pending forced read errors, or 1444 * if a write and pending write errors, then fail this 1445 * operation with EIO. This is useful for testing 1446 * purposes. Also, support having every Nth read fail. 1447 * 1448 * This is a rather blunt tool. 1449 */ 1450 if (bp->bio_cmd == BIO_READ) { 1451 if (softc->force_read_error) { 1452 softc->force_read_error--; 1453 fail = 1; 1454 } 1455 if (softc->periodic_read_error > 0) { 1456 if (++softc->periodic_read_count >= 1457 softc->periodic_read_error) { 1458 softc->periodic_read_count = 0; 1459 fail = 1; 1460 } 1461 } 1462 } else { 1463 if (softc->force_write_error) { 1464 softc->force_write_error--; 1465 fail = 1; 1466 } 1467 } 1468 if (fail) { 1469 bp->bio_error = EIO; 1470 bp->bio_flags |= BIO_ERROR; 1471 biodone(bp); 1472 xpt_release_ccb(start_ccb); 1473 adaschedule(periph); 1474 return; 1475 } 1476#endif 1477 KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 || 1478 round_page(bp->bio_bcount + bp->bio_ma_offset) / 1479 PAGE_SIZE == bp->bio_ma_n, 1480 ("Short bio %p", bp)); 1481 cam_fill_ataio(ataio, 1482 ada_retry_count, 1483 adadone, 1484 (bp->bio_cmd == BIO_READ ? CAM_DIR_IN : 1485 CAM_DIR_OUT) | ((bp->bio_flags & BIO_UNMAPPED) 1486 != 0 ? CAM_DATA_BIO : 0), 1487 tag_code, 1488 ((bp->bio_flags & BIO_UNMAPPED) != 0) ? (void *)bp : 1489 bp->bio_data, 1490 bp->bio_bcount, 1491 ada_default_timeout*1000); 1492 1493 if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) { 1494 if (bp->bio_cmd == BIO_READ) { 1495 ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED, 1496 lba, count); 1497 } else { 1498 ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED, 1499 lba, count); 1500 } 1501 } else if ((softc->flags & ADA_FLAG_CAN_48BIT) && 1502 (lba + count >= ATA_MAX_28BIT_LBA || 1503 count > 256)) { 1504 if (softc->flags & ADA_FLAG_CAN_DMA48) { 1505 if (bp->bio_cmd == BIO_READ) { 1506 ata_48bit_cmd(ataio, ATA_READ_DMA48, 1507 0, lba, count); 1508 } else { 1509 ata_48bit_cmd(ataio, ATA_WRITE_DMA48, 1510 0, lba, count); 1511 } 1512 } else { 1513 if (bp->bio_cmd == BIO_READ) { 1514 ata_48bit_cmd(ataio, ATA_READ_MUL48, 1515 0, lba, count); 1516 } else { 1517 ata_48bit_cmd(ataio, ATA_WRITE_MUL48, 1518 0, lba, count); 1519 } 1520 } 1521 } else { 1522 if (count == 256) 1523 count = 0; 1524 if (softc->flags & ADA_FLAG_CAN_DMA) { 1525 if (bp->bio_cmd == BIO_READ) { 1526 ata_28bit_cmd(ataio, ATA_READ_DMA, 1527 0, lba, count); 1528 } else { 1529 ata_28bit_cmd(ataio, ATA_WRITE_DMA, 1530 0, lba, count); 1531 } 1532 } else { 1533 if (bp->bio_cmd == BIO_READ) { 1534 ata_28bit_cmd(ataio, ATA_READ_MUL, 1535 0, lba, count); 1536 } else { 1537 ata_28bit_cmd(ataio, ATA_WRITE_MUL, 1538 0, lba, count); 1539 } 1540 } 1541 } 1542 break; 1543 } 1544 case BIO_DELETE: 1545 { 1546 uint64_t lba = bp->bio_pblkno; 1547 uint16_t count = bp->bio_bcount / softc->params.secsize; 1548 1549 cam_fill_ataio(ataio, 1550 ada_retry_count, 1551 adadone, 1552 CAM_DIR_NONE, 1553 0, 1554 NULL, 1555 0, 1556 ada_default_timeout*1000); 1557 1558 if (count >= 256) 1559 count = 0; 1560 ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count); 1561 break; 1562 } 1563 case BIO_FLUSH: 1564 cam_fill_ataio(ataio, 1565 1, 1566 adadone, 1567 CAM_DIR_NONE, 1568 0, 1569 NULL, 1570 0, 1571 ada_default_timeout*1000); 1572 1573 if (softc->flags & ADA_FLAG_CAN_48BIT) 1574 ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1575 else 1576 ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0); 1577 break; 1578 } 1579 start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO; 1580out: 1581 start_ccb->ccb_h.ccb_bp = bp; 1582 softc->outstanding_cmds++; 1583 xpt_action(start_ccb); 1584 1585 /* May have more work to do, so ensure we stay scheduled */ 1586 adaschedule(periph); 1587 break; 1588 } 1589 case ADA_STATE_RAHEAD: 1590 case ADA_STATE_WCACHE: 1591 { 1592 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1593 softc->state = ADA_STATE_NORMAL; 1594 xpt_release_ccb(start_ccb); 1595 cam_periph_release_locked(periph); 1596 return; 1597 } 1598 1599 cam_fill_ataio(ataio, 1600 1, 1601 adadone, 1602 CAM_DIR_NONE, 1603 0, 1604 NULL, 1605 0, 1606 ada_default_timeout*1000); 1607 1608 if (softc->state == ADA_STATE_RAHEAD) { 1609 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ? 1610 ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0); 1611 start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD; 1612 } else { 1613 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ? 1614 ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0); 1615 start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE; 1616 } 1617 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1618 xpt_action(start_ccb); 1619 break; 1620 } 1621 } 1622} 1623 1624static void 1625adadone(struct cam_periph *periph, union ccb *done_ccb) 1626{ 1627 struct ada_softc *softc; 1628 struct ccb_ataio *ataio; 1629 struct ccb_getdev *cgd; 1630 struct cam_path *path; 1631 1632 softc = (struct ada_softc *)periph->softc; 1633 ataio = &done_ccb->ataio; 1634 path = done_ccb->ccb_h.path; 1635 1636 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n")); 1637 1638 switch (ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK) { 1639 case ADA_CCB_BUFFER_IO: 1640 case ADA_CCB_TRIM: 1641 { 1642 struct bio *bp; 1643 1644 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1645 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1646 int error; 1647 1648 error = adaerror(done_ccb, 0, 0); 1649 if (error == ERESTART) { 1650 /* A retry was scheduled, so just return. */ 1651 return; 1652 } 1653 if (error != 0) { 1654 bp->bio_error = error; 1655 bp->bio_resid = bp->bio_bcount; 1656 bp->bio_flags |= BIO_ERROR; 1657 } else { 1658 bp->bio_resid = ataio->resid; 1659 bp->bio_error = 0; 1660 if (bp->bio_resid != 0) 1661 bp->bio_flags |= BIO_ERROR; 1662 } 1663 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1664 cam_release_devq(path, 1665 /*relsim_flags*/0, 1666 /*reduction*/0, 1667 /*timeout*/0, 1668 /*getcount_only*/0); 1669 } else { 1670 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1671 panic("REQ_CMP with QFRZN"); 1672 bp->bio_resid = ataio->resid; 1673 if (ataio->resid > 0) 1674 bp->bio_flags |= BIO_ERROR; 1675 } 1676 softc->outstanding_cmds--; 1677 if (softc->outstanding_cmds == 0) 1678 softc->flags |= ADA_FLAG_WENT_IDLE; 1679 if ((ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK) == 1680 ADA_CCB_TRIM) { 1681 struct trim_request *req = 1682 (struct trim_request *)ataio->data_ptr; 1683 int i; 1684 1685 for (i = 1; i < TRIM_MAX_BIOS && req->bps[i]; i++) { 1686 struct bio *bp1 = req->bps[i]; 1687 1688 bp1->bio_resid = bp->bio_resid; 1689 bp1->bio_error = bp->bio_error; 1690 if (bp->bio_flags & BIO_ERROR) 1691 bp1->bio_flags |= BIO_ERROR; 1692 biodone(bp1); 1693 } 1694 softc->trim_running = 0; 1695 biodone(bp); 1696 adaschedule(periph); 1697 } else 1698 biodone(bp); 1699 break; 1700 } 1701 case ADA_CCB_RAHEAD: 1702 { 1703 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1704 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1705out: 1706 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1707 cam_release_devq(path, 0, 0, 0, FALSE); 1708 return; 1709 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1710 cam_release_devq(path, 1711 /*relsim_flags*/0, 1712 /*reduction*/0, 1713 /*timeout*/0, 1714 /*getcount_only*/0); 1715 } 1716 } 1717 1718 /* 1719 * Since our peripheral may be invalidated by an error 1720 * above or an external event, we must release our CCB 1721 * before releasing the reference on the peripheral. 1722 * The peripheral will only go away once the last reference 1723 * is removed, and we need it around for the CCB release 1724 * operation. 1725 */ 1726 cgd = (struct ccb_getdev *)done_ccb; 1727 xpt_setup_ccb(&cgd->ccb_h, path, CAM_PRIORITY_NORMAL); 1728 cgd->ccb_h.func_code = XPT_GDEV_TYPE; 1729 xpt_action((union ccb *)cgd); 1730 if (ADA_WC >= 0 && 1731 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1732 softc->state = ADA_STATE_WCACHE; 1733 xpt_release_ccb(done_ccb); 1734 xpt_schedule(periph, CAM_PRIORITY_DEV); 1735 goto out; 1736 } 1737 softc->state = ADA_STATE_NORMAL; 1738 xpt_release_ccb(done_ccb); 1739 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1740 cam_release_devq(path, 0, 0, 0, FALSE); 1741 adaschedule(periph); 1742 cam_periph_release_locked(periph); 1743 return; 1744 } 1745 case ADA_CCB_WCACHE: 1746 { 1747 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1748 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1749 goto out; 1750 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1751 cam_release_devq(path, 1752 /*relsim_flags*/0, 1753 /*reduction*/0, 1754 /*timeout*/0, 1755 /*getcount_only*/0); 1756 } 1757 } 1758 1759 softc->state = ADA_STATE_NORMAL; 1760 /* 1761 * Since our peripheral may be invalidated by an error 1762 * above or an external event, we must release our CCB 1763 * before releasing the reference on the peripheral. 1764 * The peripheral will only go away once the last reference 1765 * is removed, and we need it around for the CCB release 1766 * operation. 1767 */ 1768 xpt_release_ccb(done_ccb); 1769 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1770 cam_release_devq(path, 0, 0, 0, FALSE); 1771 adaschedule(periph); 1772 cam_periph_release_locked(periph); 1773 return; 1774 } 1775 case ADA_CCB_WAITING: 1776 { 1777 /* Caller will release the CCB */ 1778 wakeup(&done_ccb->ccb_h.cbfcnp); 1779 return; 1780 } 1781 case ADA_CCB_DUMP: 1782 /* No-op. We're polling */ 1783 return; 1784 default: 1785 break; 1786 } 1787 xpt_release_ccb(done_ccb); 1788} 1789 1790static int 1791adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1792{ 1793 1794 return(cam_periph_error(ccb, cam_flags, sense_flags, NULL)); 1795} 1796 1797static void 1798adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd) 1799{ 1800 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1801 struct disk_params *dp = &softc->params; 1802 u_int64_t lbasize48; 1803 u_int32_t lbasize; 1804 1805 dp->secsize = ata_logical_sector_size(&cgd->ident_data); 1806 if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) && 1807 cgd->ident_data.current_heads && cgd->ident_data.current_sectors) { 1808 dp->heads = cgd->ident_data.current_heads; 1809 dp->secs_per_track = cgd->ident_data.current_sectors; 1810 dp->cylinders = cgd->ident_data.cylinders; 1811 dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 | 1812 ((u_int32_t)cgd->ident_data.current_size_2 << 16); 1813 } else { 1814 dp->heads = cgd->ident_data.heads; 1815 dp->secs_per_track = cgd->ident_data.sectors; 1816 dp->cylinders = cgd->ident_data.cylinders; 1817 dp->sectors = cgd->ident_data.cylinders * dp->heads * dp->secs_per_track; 1818 } 1819 lbasize = (u_int32_t)cgd->ident_data.lba_size_1 | 1820 ((u_int32_t)cgd->ident_data.lba_size_2 << 16); 1821 1822 /* use the 28bit LBA size if valid or bigger than the CHS mapping */ 1823 if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize) 1824 dp->sectors = lbasize; 1825 1826 /* use the 48bit LBA size if valid */ 1827 lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) | 1828 ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) | 1829 ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) | 1830 ((u_int64_t)cgd->ident_data.lba_size48_4 << 48); 1831 if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) && 1832 lbasize48 > ATA_MAX_28BIT_LBA) 1833 dp->sectors = lbasize48; 1834} 1835 1836static void 1837adasendorderedtag(void *arg) 1838{ 1839 struct ada_softc *softc = arg; 1840 1841 if (ada_send_ordered) { 1842 if ((softc->ordered_tag_count == 0) 1843 && ((softc->flags & ADA_FLAG_WENT_IDLE) == 0)) { 1844 softc->flags |= ADA_FLAG_NEED_OTAG; 1845 } 1846 if (softc->outstanding_cmds > 0) 1847 softc->flags &= ~ADA_FLAG_WENT_IDLE; 1848 1849 softc->ordered_tag_count = 0; 1850 } 1851 /* Queue us up again */ 1852 callout_reset(&softc->sendordered_c, 1853 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1854 adasendorderedtag, softc); 1855} 1856 1857/* 1858 * Step through all ADA peripheral drivers, and if the device is still open, 1859 * sync the disk cache to physical media. 1860 */ 1861static void 1862adaflush(void) 1863{ 1864 struct cam_periph *periph; 1865 struct ada_softc *softc; 1866 union ccb *ccb; 1867 int error; 1868 1869 CAM_PERIPH_FOREACH(periph, &adadriver) { 1870 /* If we paniced with lock held - not recurse here. */ 1871 if (cam_periph_owned(periph)) 1872 continue; 1873 cam_periph_lock(periph); 1874 softc = (struct ada_softc *)periph->softc; 1875 /* 1876 * We only sync the cache if the drive is still open, and 1877 * if the drive is capable of it.. 1878 */ 1879 if (((softc->flags & ADA_FLAG_OPEN) == 0) || 1880 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) { 1881 cam_periph_unlock(periph); 1882 continue; 1883 } 1884 1885 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1886 cam_fill_ataio(&ccb->ataio, 1887 0, 1888 adadone, 1889 CAM_DIR_NONE, 1890 0, 1891 NULL, 1892 0, 1893 ada_default_timeout*1000); 1894 if (softc->flags & ADA_FLAG_CAN_48BIT) 1895 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1896 else 1897 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 1898 1899 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 1900 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 1901 softc->disk->d_devstat); 1902 if (error != 0) 1903 xpt_print(periph->path, "Synchronize cache failed\n"); 1904 xpt_release_ccb(ccb); 1905 cam_periph_unlock(periph); 1906 } 1907} 1908 1909static void 1910adaspindown(uint8_t cmd, int flags) 1911{ 1912 struct cam_periph *periph; 1913 struct ada_softc *softc; 1914 union ccb *ccb; 1915 int error; 1916 1917 CAM_PERIPH_FOREACH(periph, &adadriver) { 1918 /* If we paniced with lock held - not recurse here. */ 1919 if (cam_periph_owned(periph)) 1920 continue; 1921 cam_periph_lock(periph); 1922 softc = (struct ada_softc *)periph->softc; 1923 /* 1924 * We only spin-down the drive if it is capable of it.. 1925 */ 1926 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 1927 cam_periph_unlock(periph); 1928 continue; 1929 } 1930 1931 if (bootverbose) 1932 xpt_print(periph->path, "spin-down\n"); 1933 1934 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1935 cam_fill_ataio(&ccb->ataio, 1936 0, 1937 adadone, 1938 CAM_DIR_NONE | flags, 1939 0, 1940 NULL, 1941 0, 1942 ada_default_timeout*1000); 1943 ata_28bit_cmd(&ccb->ataio, cmd, 0, 0, 0); 1944 1945 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 1946 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 1947 softc->disk->d_devstat); 1948 if (error != 0) 1949 xpt_print(periph->path, "Spin-down disk failed\n"); 1950 xpt_release_ccb(ccb); 1951 cam_periph_unlock(periph); 1952 } 1953} 1954 1955static void 1956adashutdown(void *arg, int howto) 1957{ 1958 1959 adaflush(); 1960 if (ada_spindown_shutdown != 0 && 1961 (howto & (RB_HALT | RB_POWEROFF)) != 0) 1962 adaspindown(ATA_STANDBY_IMMEDIATE, 0); 1963} 1964 1965static void 1966adasuspend(void *arg) 1967{ 1968 1969 adaflush(); 1970 if (ada_spindown_suspend != 0) 1971 adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE); 1972} 1973 1974static void 1975adaresume(void *arg) 1976{ 1977 struct cam_periph *periph; 1978 struct ada_softc *softc; 1979 1980 if (ada_spindown_suspend == 0) 1981 return; 1982 1983 CAM_PERIPH_FOREACH(periph, &adadriver) { 1984 cam_periph_lock(periph); 1985 softc = (struct ada_softc *)periph->softc; 1986 /* 1987 * We only spin-down the drive if it is capable of it.. 1988 */ 1989 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 1990 cam_periph_unlock(periph); 1991 continue; 1992 } 1993 1994 if (bootverbose) 1995 xpt_print(periph->path, "resume\n"); 1996 1997 /* 1998 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on 1999 * sleep request. 2000 */ 2001 cam_release_devq(periph->path, 2002 /*relsim_flags*/0, 2003 /*openings*/0, 2004 /*timeout*/0, 2005 /*getcount_only*/0); 2006 2007 cam_periph_unlock(periph); 2008 } 2009} 2010 2011#endif /* _KERNEL */ 2012