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("$FreeBSD$"); 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 71 typedef enum { 72 ADA_STATE_RAHEAD, 73 ADA_STATE_WCACHE, 74 ADA_STATE_NORMAL 75 } ada_state; 76 77 typedef 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 93 typedef 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" 101 102 typedef 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 114 115 struct 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) 125 struct trim_request { 126 uint8_t data[TRIM_MAX_RANGES * ATA_DSM_RANGE_SIZE]; 127 TAILQ_HEAD(, bio) bps; 128 }; 129 130 struct 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 }; 157 158 struct ada_quirk_entry { 159 struct scsi_inquiry_pattern inq_pat; 160 ada_quirks quirks; 161 }; 162 163 static struct ada_quirk_entry ada_quirk_table[] = 164 { 165 { 166 /* Hitachi Advanced Format (4k) drives */ 167 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Hitachi H??????????E3*", "*" }, 168 /*quirks*/ADA_Q_4K 169 }, 170 { 171 /* Samsung Advanced Format (4k) drives */ 172 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD155UI*", "*" }, 173 /*quirks*/ADA_Q_4K 174 }, 175 { 176 /* Samsung Advanced Format (4k) drives */ 177 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG HD204UI*", "*" }, 178 /*quirks*/ADA_Q_4K 179 }, 180 { 181 /* Seagate Barracuda Green Advanced Format (4k) drives */ 182 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DL*", "*" }, 183 /*quirks*/ADA_Q_4K 184 }, 185 { 186 /* Seagate Barracuda Advanced Format (4k) drives */ 187 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???DM*", "*" }, 188 /*quirks*/ADA_Q_4K 189 }, 190 { 191 /* Seagate Barracuda Advanced Format (4k) drives */ 192 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST????DM*", "*" }, 193 /*quirks*/ADA_Q_4K 194 }, 195 { 196 /* Seagate Momentus Advanced Format (4k) drives */ 197 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500423AS*", "*" }, 198 /*quirks*/ADA_Q_4K 199 }, 200 { 201 /* Seagate Momentus Advanced Format (4k) drives */ 202 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9500424AS*", "*" }, 203 /*quirks*/ADA_Q_4K 204 }, 205 { 206 /* Seagate Momentus Advanced Format (4k) drives */ 207 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640423AS*", "*" }, 208 /*quirks*/ADA_Q_4K 209 }, 210 { 211 /* Seagate Momentus Advanced Format (4k) drives */ 212 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9640424AS*", "*" }, 213 /*quirks*/ADA_Q_4K 214 }, 215 { 216 /* Seagate Momentus Advanced Format (4k) drives */ 217 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750420AS*", "*" }, 218 /*quirks*/ADA_Q_4K 219 }, 220 { 221 /* Seagate Momentus Advanced Format (4k) drives */ 222 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750422AS*", "*" }, 223 /*quirks*/ADA_Q_4K 224 }, 225 { 226 /* Seagate Momentus Advanced Format (4k) drives */ 227 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST9750423AS*", "*" }, 228 /*quirks*/ADA_Q_4K 229 }, 230 { 231 /* Seagate Momentus Thin Advanced Format (4k) drives */ 232 { T_DIRECT, SIP_MEDIA_FIXED, "*", "ST???LT*", "*" }, 233 /*quirks*/ADA_Q_4K 234 }, 235 { 236 /* WDC Caviar Red Advanced Format (4k) drives */ 237 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????CX*", "*" }, 238 /*quirks*/ADA_Q_4K 239 }, 240 { 241 /* WDC Caviar Green Advanced Format (4k) drives */ 242 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RS*", "*" }, 243 /*quirks*/ADA_Q_4K 244 }, 245 { 246 /* WDC Caviar Green/Red Advanced Format (4k) drives */ 247 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD????RX*", "*" }, 248 /*quirks*/ADA_Q_4K 249 }, 250 { 251 /* WDC Caviar Red Advanced Format (4k) drives */ 252 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????CX*", "*" }, 253 /*quirks*/ADA_Q_4K 254 }, 255 { 256 /* WDC Caviar Black Advanced Format (4k) drives */ 257 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????EX*", "*" }, 258 /*quirks*/ADA_Q_4K 259 }, 260 { 261 /* WDC Caviar Green Advanced Format (4k) drives */ 262 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RS*", "*" }, 263 /*quirks*/ADA_Q_4K 264 }, 265 { 266 /* WDC Caviar Green Advanced Format (4k) drives */ 267 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD??????RX*", "*" }, 268 /*quirks*/ADA_Q_4K 269 }, 270 { 271 /* WDC Scorpio Black Advanced Format (4k) drives */ 272 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PKT*", "*" }, 273 /*quirks*/ADA_Q_4K 274 }, 275 { 276 /* WDC Scorpio Black Advanced Format (4k) drives */ 277 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PKT*", "*" }, 278 /*quirks*/ADA_Q_4K 279 }, 280 { 281 /* WDC Scorpio Blue Advanced Format (4k) drives */ 282 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD???PVT*", "*" }, 283 /*quirks*/ADA_Q_4K 284 }, 285 { 286 /* WDC Scorpio Blue Advanced Format (4k) drives */ 287 { T_DIRECT, SIP_MEDIA_FIXED, "*", "WDC WD?????PVT*", "*" }, 288 /*quirks*/ADA_Q_4K 289 }, 290 /* SSDs */ 291 { 292 /* 293 * Corsair Force 2 SSDs 294 * 4k optimised & trim only works in 4k requests + 4k aligned 295 */ 296 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair CSSD-F*", "*" }, 297 /*quirks*/ADA_Q_4K 298 }, 299 { 300 /* 301 * Corsair Force 3 SSDs 302 * 4k optimised & trim only works in 4k requests + 4k aligned 303 */ 304 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force 3*", "*" }, 305 /*quirks*/ADA_Q_4K 306 }, 307 { 308 /* 309 * Corsair Neutron GTX SSDs 310 * 4k optimised & trim only works in 4k requests + 4k aligned 311 */ 312 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" }, 313 /*quirks*/ADA_Q_4K 314 }, 315 { 316 /* 317 * Corsair Force GT & GS SSDs 318 * 4k optimised & trim only works in 4k requests + 4k aligned 319 */ 320 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Force G*", "*" }, 321 /*quirks*/ADA_Q_4K 322 }, 323 { 324 /* 325 * Crucial M4 SSDs 326 * 4k optimised & trim only works in 4k requests + 4k aligned 327 */ 328 { T_DIRECT, SIP_MEDIA_FIXED, "*", "M4-CT???M4SSD2*", "*" }, 329 /*quirks*/ADA_Q_4K 330 }, 331 { 332 /* 333 * Crucial RealSSD C300 SSDs 334 * 4k optimised 335 */ 336 { T_DIRECT, SIP_MEDIA_FIXED, "*", "C300-CTFDDAC???MAG*", 337 "*" }, /*quirks*/ADA_Q_4K 338 }, 339 { 340 /* 341 * Intel 320 Series SSDs 342 * 4k optimised & trim only works in 4k requests + 4k aligned 343 */ 344 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2CW*", "*" }, 345 /*quirks*/ADA_Q_4K 346 }, 347 { 348 /* 349 * Intel 330 Series SSDs 350 * 4k optimised & trim only works in 4k requests + 4k aligned 351 */ 352 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2CT*", "*" }, 353 /*quirks*/ADA_Q_4K 354 }, 355 { 356 /* 357 * Intel 510 Series SSDs 358 * 4k optimised & trim only works in 4k requests + 4k aligned 359 */ 360 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2MH*", "*" }, 361 /*quirks*/ADA_Q_4K 362 }, 363 { 364 /* 365 * Intel 520 Series SSDs 366 * 4k optimised & trim only works in 4k requests + 4k aligned 367 */ 368 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSC2BW*", "*" }, 369 /*quirks*/ADA_Q_4K 370 }, 371 { 372 /* 373 * Intel X25-M Series SSDs 374 * 4k optimised & trim only works in 4k requests + 4k aligned 375 */ 376 { T_DIRECT, SIP_MEDIA_FIXED, "*", "INTEL SSDSA2M*", "*" }, 377 /*quirks*/ADA_Q_4K 378 }, 379 { 380 /* 381 * Kingston E100 Series SSDs 382 * 4k optimised & trim only works in 4k requests + 4k aligned 383 */ 384 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SE100S3*", "*" }, 385 /*quirks*/ADA_Q_4K 386 }, 387 { 388 /* 389 * Kingston HyperX 3k SSDs 390 * 4k optimised & trim only works in 4k requests + 4k aligned 391 */ 392 { T_DIRECT, SIP_MEDIA_FIXED, "*", "KINGSTON SH103S3*", "*" }, 393 /*quirks*/ADA_Q_4K 394 }, 395 { 396 /* 397 * Marvell SSDs (entry taken from OpenSolaris) 398 * 4k optimised & trim only works in 4k requests + 4k aligned 399 */ 400 { T_DIRECT, SIP_MEDIA_FIXED, "*", "MARVELL SD88SA02*", "*" }, 401 /*quirks*/ADA_Q_4K 402 }, 403 { 404 /* 405 * OCZ Agility 2 SSDs 406 * 4k optimised & trim only works in 4k requests + 4k aligned 407 */ 408 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" }, 409 /*quirks*/ADA_Q_4K 410 }, 411 { 412 /* 413 * OCZ Agility 3 SSDs 414 * 4k optimised & trim only works in 4k requests + 4k aligned 415 */ 416 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY3*", "*" }, 417 /*quirks*/ADA_Q_4K 418 }, 419 { 420 /* 421 * OCZ Deneva R Series SSDs 422 * 4k optimised & trim only works in 4k requests + 4k aligned 423 */ 424 { T_DIRECT, SIP_MEDIA_FIXED, "*", "DENRSTE251M45*", "*" }, 425 /*quirks*/ADA_Q_4K 426 }, 427 { 428 /* 429 * OCZ Vertex 2 SSDs (inc pro series) 430 * 4k optimised & trim only works in 4k requests + 4k aligned 431 */ 432 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ?VERTEX2*", "*" }, 433 /*quirks*/ADA_Q_4K 434 }, 435 { 436 /* 437 * OCZ Vertex 3 SSDs 438 * 4k optimised & trim only works in 4k requests + 4k aligned 439 */ 440 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX3*", "*" }, 441 /*quirks*/ADA_Q_4K 442 }, 443 { 444 /* 445 * OCZ Vertex 4 SSDs 446 * 4k optimised & trim only works in 4k requests + 4k aligned 447 */ 448 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-VERTEX4*", "*" }, 449 /*quirks*/ADA_Q_4K 450 }, 451 { 452 /* 453 * Samsung 830 Series SSDs 454 * 4k optimised 455 */ 456 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG SSD 830 Series*", "*" }, 457 /*quirks*/ADA_Q_4K 458 }, 459 { 460 /* 461 * Samsung 840 SSDs 462 * 4k optimised 463 */ 464 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 840*", "*" }, 465 /*quirks*/ADA_Q_4K 466 }, 467 { 468 /* 469 * Samsung 843T Series SSDs 470 * 4k optimised 471 */ 472 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG MZ7WD*", "*" }, 473 /*quirks*/ADA_Q_4K 474 }, 475 { 476 /* 477 * Samsung 850 SSDs 478 * 4k optimised 479 */ 480 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Samsung SSD 850*", "*" }, 481 /*quirks*/ADA_Q_4K 482 }, 483 { 484 /* 485 * Samsung PM853T Series SSDs 486 * 4k optimised 487 */ 488 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SAMSUNG MZ7GE*", "*" }, 489 /*quirks*/ADA_Q_4K 490 }, 491 { 492 /* 493 * SuperTalent TeraDrive CT SSDs 494 * 4k optimised & trim only works in 4k requests + 4k aligned 495 */ 496 { T_DIRECT, SIP_MEDIA_FIXED, "*", "FTM??CT25H*", "*" }, 497 /*quirks*/ADA_Q_4K 498 }, 499 { 500 /* 501 * XceedIOPS SATA SSDs 502 * 4k optimised 503 */ 504 { T_DIRECT, SIP_MEDIA_FIXED, "*", "SG9XCS2D*", "*" }, 505 /*quirks*/ADA_Q_4K 506 }, 507 { 508 /* Default */ 509 { 510 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 511 /*vendor*/"*", /*product*/"*", /*revision*/"*" 512 }, 513 /*quirks*/0 514 }, 515 }; 516 517 static disk_strategy_t adastrategy; 518 static dumper_t adadump; 519 static periph_init_t adainit; 520 static void adaasync(void *callback_arg, u_int32_t code, 521 struct cam_path *path, void *arg); 522 static void adasysctlinit(void *context, int pending); 523 static periph_ctor_t adaregister; 524 static periph_dtor_t adacleanup; 525 static periph_start_t adastart; 526 static periph_oninv_t adaoninvalidate; 527 static void adadone(struct cam_periph *periph, 528 union ccb *done_ccb); 529 static int adaerror(union ccb *ccb, u_int32_t cam_flags, 530 u_int32_t sense_flags); 531 static void adagetparams(struct cam_periph *periph, 532 struct ccb_getdev *cgd); 533 static timeout_t adasendorderedtag; 534 static void adashutdown(void *arg, int howto); 535 static void adasuspend(void *arg); 536 static void adaresume(void *arg); 537 538 #ifndef ADA_DEFAULT_LEGACY_ALIASES 539 #define ADA_DEFAULT_LEGACY_ALIASES 1 540 #endif 541 542 #ifndef ADA_DEFAULT_TIMEOUT 543 #define ADA_DEFAULT_TIMEOUT 30 /* Timeout in seconds */ 544 #endif 545 546 #ifndef ADA_DEFAULT_RETRY 547 #define ADA_DEFAULT_RETRY 4 548 #endif 549 550 #ifndef ADA_DEFAULT_SEND_ORDERED 551 #define ADA_DEFAULT_SEND_ORDERED 1 552 #endif 553 554 #ifndef ADA_DEFAULT_SPINDOWN_SHUTDOWN 555 #define ADA_DEFAULT_SPINDOWN_SHUTDOWN 1 556 #endif 557 558 #ifndef ADA_DEFAULT_SPINDOWN_SUSPEND 559 #define ADA_DEFAULT_SPINDOWN_SUSPEND 1 560 #endif 561 562 #ifndef ADA_DEFAULT_READ_AHEAD 563 #define ADA_DEFAULT_READ_AHEAD 1 564 #endif 565 566 #ifndef ADA_DEFAULT_WRITE_CACHE 567 #define ADA_DEFAULT_WRITE_CACHE 1 568 #endif 569 570 #define ADA_RA (softc->read_ahead >= 0 ? \ 571 softc->read_ahead : ada_read_ahead) 572 #define ADA_WC (softc->write_cache >= 0 ? \ 573 softc->write_cache : ada_write_cache) 574 #define ADA_SIO (softc->sort_io_queue >= 0 ? \ 575 softc->sort_io_queue : cam_sort_io_queues) 576 577 /* 578 * Most platforms map firmware geometry to actual, but some don't. If 579 * not overridden, default to nothing. 580 */ 581 #ifndef ata_disk_firmware_geom_adjust 582 #define ata_disk_firmware_geom_adjust(disk) 583 #endif 584 585 static int ada_retry_count = ADA_DEFAULT_RETRY; 586 static int ada_default_timeout = ADA_DEFAULT_TIMEOUT; 587 static int ada_send_ordered = ADA_DEFAULT_SEND_ORDERED; 588 static int ada_spindown_shutdown = ADA_DEFAULT_SPINDOWN_SHUTDOWN; 589 static int ada_spindown_suspend = ADA_DEFAULT_SPINDOWN_SUSPEND; 590 static int ada_read_ahead = ADA_DEFAULT_READ_AHEAD; 591 static int ada_write_cache = ADA_DEFAULT_WRITE_CACHE; 592 593 static SYSCTL_NODE(_kern_cam, OID_AUTO, ada, CTLFLAG_RD, 0, 594 "CAM Direct Access Disk driver"); 595 SYSCTL_INT(_kern_cam_ada, OID_AUTO, retry_count, CTLFLAG_RWTUN, 596 &ada_retry_count, 0, "Normal I/O retry count"); 597 SYSCTL_INT(_kern_cam_ada, OID_AUTO, default_timeout, CTLFLAG_RWTUN, 598 &ada_default_timeout, 0, "Normal I/O timeout (in seconds)"); 599 SYSCTL_INT(_kern_cam_ada, OID_AUTO, send_ordered, CTLFLAG_RWTUN, 600 &ada_send_ordered, 0, "Send Ordered Tags"); 601 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_shutdown, CTLFLAG_RWTUN, 602 &ada_spindown_shutdown, 0, "Spin down upon shutdown"); 603 SYSCTL_INT(_kern_cam_ada, OID_AUTO, spindown_suspend, CTLFLAG_RWTUN, 604 &ada_spindown_suspend, 0, "Spin down upon suspend"); 605 SYSCTL_INT(_kern_cam_ada, OID_AUTO, read_ahead, CTLFLAG_RWTUN, 606 &ada_read_ahead, 0, "Enable disk read-ahead"); 607 SYSCTL_INT(_kern_cam_ada, OID_AUTO, write_cache, CTLFLAG_RWTUN, 608 &ada_write_cache, 0, "Enable disk write cache"); 609 610 /* 611 * ADA_ORDEREDTAG_INTERVAL determines how often, relative 612 * to the default timeout, we check to see whether an ordered 613 * tagged transaction is appropriate to prevent simple tag 614 * starvation. Since we'd like to ensure that there is at least 615 * 1/2 of the timeout length left for a starved transaction to 616 * complete after we've sent an ordered tag, we must poll at least 617 * four times in every timeout period. This takes care of the worst 618 * case where a starved transaction starts during an interval that 619 * meets the requirement "don't send an ordered tag" test so it takes 620 * us two intervals to determine that a tag must be sent. 621 */ 622 #ifndef ADA_ORDEREDTAG_INTERVAL 623 #define ADA_ORDEREDTAG_INTERVAL 4 624 #endif 625 626 static struct periph_driver adadriver = 627 { 628 adainit, "ada", 629 TAILQ_HEAD_INITIALIZER(adadriver.units), /* generation */ 0 630 }; 631 632 PERIPHDRIVER_DECLARE(ada, adadriver); 633 634 static MALLOC_DEFINE(M_ATADA, "ata_da", "ata_da buffers"); 635 636 static int 637 adaopen(struct disk *dp) 638 { 639 struct cam_periph *periph; 640 struct ada_softc *softc; 641 int error; 642 643 periph = (struct cam_periph *)dp->d_drv1; 644 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 645 return(ENXIO); 646 } 647 648 cam_periph_lock(periph); 649 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 650 cam_periph_unlock(periph); 651 cam_periph_release(periph); 652 return (error); 653 } 654 655 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 656 ("adaopen\n")); 657 658 softc = (struct ada_softc *)periph->softc; 659 softc->flags |= ADA_FLAG_OPEN; 660 661 cam_periph_unhold(periph); 662 cam_periph_unlock(periph); 663 return (0); 664 } 665 666 static int 667 adaclose(struct disk *dp) 668 { 669 struct cam_periph *periph; 670 struct ada_softc *softc; 671 union ccb *ccb; 672 int error; 673 674 periph = (struct cam_periph *)dp->d_drv1; 675 softc = (struct ada_softc *)periph->softc; 676 cam_periph_lock(periph); 677 678 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 679 ("adaclose\n")); 680 681 /* We only sync the cache if the drive is capable of it. */ 682 if ((softc->flags & ADA_FLAG_DIRTY) != 0 && 683 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) != 0 && 684 (periph->flags & CAM_PERIPH_INVALID) == 0 && 685 cam_periph_hold(periph, PRIBIO) == 0) { 686 687 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 688 cam_fill_ataio(&ccb->ataio, 689 1, 690 adadone, 691 CAM_DIR_NONE, 692 0, 693 NULL, 694 0, 695 ada_default_timeout*1000); 696 697 if (softc->flags & ADA_FLAG_CAN_48BIT) 698 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 699 else 700 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 701 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 702 /*sense_flags*/0, softc->disk->d_devstat); 703 704 if (error != 0) 705 xpt_print(periph->path, "Synchronize cache failed\n"); 706 else 707 softc->flags &= ~ADA_FLAG_DIRTY; 708 xpt_release_ccb(ccb); 709 cam_periph_unhold(periph); 710 } 711 712 softc->flags &= ~ADA_FLAG_OPEN; 713 714 while (softc->refcount != 0) 715 cam_periph_sleep(periph, &softc->refcount, PRIBIO, "adaclose", 1); 716 cam_periph_unlock(periph); 717 cam_periph_release(periph); 718 return (0); 719 } 720 721 static void 722 adaschedule(struct cam_periph *periph) 723 { 724 struct ada_softc *softc = (struct ada_softc *)periph->softc; 725 726 if (softc->state != ADA_STATE_NORMAL) 727 return; 728 729 /* Check if we have more work to do. */ 730 if (bioq_first(&softc->bio_queue) || 731 (!softc->trim_running && bioq_first(&softc->trim_queue))) { 732 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 733 } 734 } 735 736 /* 737 * Actually translate the requested transfer into one the physical driver 738 * can understand. The transfer is described by a buf and will include 739 * only one physical transfer. 740 */ 741 static void 742 adastrategy(struct bio *bp) 743 { 744 struct cam_periph *periph; 745 struct ada_softc *softc; 746 747 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 748 softc = (struct ada_softc *)periph->softc; 749 750 cam_periph_lock(periph); 751 752 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastrategy(%p)\n", bp)); 753 754 /* 755 * If the device has been made invalid, error out 756 */ 757 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 758 cam_periph_unlock(periph); 759 biofinish(bp, NULL, ENXIO); 760 return; 761 } 762 763 /* 764 * Place it in the queue of disk activities for this disk 765 */ 766 if (bp->bio_cmd == BIO_DELETE) { 767 bioq_disksort(&softc->trim_queue, bp); 768 } else { 769 if (ADA_SIO) 770 bioq_disksort(&softc->bio_queue, bp); 771 else 772 bioq_insert_tail(&softc->bio_queue, bp); 773 } 774 775 /* 776 * Schedule ourselves for performing the work. 777 */ 778 adaschedule(periph); 779 cam_periph_unlock(periph); 780 781 return; 782 } 783 784 static int 785 adadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 786 { 787 struct cam_periph *periph; 788 struct ada_softc *softc; 789 u_int secsize; 790 union ccb ccb; 791 struct disk *dp; 792 uint64_t lba; 793 uint16_t count; 794 int error = 0; 795 796 dp = arg; 797 periph = dp->d_drv1; 798 softc = (struct ada_softc *)periph->softc; 799 cam_periph_lock(periph); 800 secsize = softc->params.secsize; 801 lba = offset / secsize; 802 count = length / secsize; 803 804 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 805 cam_periph_unlock(periph); 806 return (ENXIO); 807 } 808 809 if (length > 0) { 810 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 811 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 812 cam_fill_ataio(&ccb.ataio, 813 0, 814 adadone, 815 CAM_DIR_OUT, 816 0, 817 (u_int8_t *) virtual, 818 length, 819 ada_default_timeout*1000); 820 if ((softc->flags & ADA_FLAG_CAN_48BIT) && 821 (lba + count >= ATA_MAX_28BIT_LBA || 822 count >= 256)) { 823 ata_48bit_cmd(&ccb.ataio, ATA_WRITE_DMA48, 824 0, lba, count); 825 } else { 826 ata_28bit_cmd(&ccb.ataio, ATA_WRITE_DMA, 827 0, lba, count); 828 } 829 xpt_polled_action(&ccb); 830 831 error = cam_periph_error(&ccb, 832 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 833 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 834 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 835 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 836 if (error != 0) 837 printf("Aborting dump due to I/O error.\n"); 838 839 cam_periph_unlock(periph); 840 return (error); 841 } 842 843 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) { 844 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 845 846 ccb.ccb_h.ccb_state = ADA_CCB_DUMP; 847 cam_fill_ataio(&ccb.ataio, 848 0, 849 adadone, 850 CAM_DIR_NONE, 851 0, 852 NULL, 853 0, 854 ada_default_timeout*1000); 855 856 if (softc->flags & ADA_FLAG_CAN_48BIT) 857 ata_48bit_cmd(&ccb.ataio, ATA_FLUSHCACHE48, 0, 0, 0); 858 else 859 ata_28bit_cmd(&ccb.ataio, ATA_FLUSHCACHE, 0, 0, 0); 860 xpt_polled_action(&ccb); 861 862 error = cam_periph_error(&ccb, 863 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 864 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 865 cam_release_devq(ccb.ccb_h.path, /*relsim_flags*/0, 866 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 867 if (error != 0) 868 xpt_print(periph->path, "Synchronize cache failed\n"); 869 } 870 cam_periph_unlock(periph); 871 return (error); 872 } 873 874 static void 875 adainit(void) 876 { 877 cam_status status; 878 879 /* 880 * Install a global async callback. This callback will 881 * receive async callbacks like "new device found". 882 */ 883 status = xpt_register_async(AC_FOUND_DEVICE, adaasync, NULL, NULL); 884 885 if (status != CAM_REQ_CMP) { 886 printf("ada: Failed to attach master async callback " 887 "due to status 0x%x!\n", status); 888 } else if (ada_send_ordered) { 889 890 /* Register our event handlers */ 891 if ((EVENTHANDLER_REGISTER(power_suspend, adasuspend, 892 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 893 printf("adainit: power event registration failed!\n"); 894 if ((EVENTHANDLER_REGISTER(power_resume, adaresume, 895 NULL, EVENTHANDLER_PRI_LAST)) == NULL) 896 printf("adainit: power event registration failed!\n"); 897 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, adashutdown, 898 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 899 printf("adainit: shutdown event registration failed!\n"); 900 } 901 } 902 903 /* 904 * Callback from GEOM, called when it has finished cleaning up its 905 * resources. 906 */ 907 static void 908 adadiskgonecb(struct disk *dp) 909 { 910 struct cam_periph *periph; 911 912 periph = (struct cam_periph *)dp->d_drv1; 913 914 cam_periph_release(periph); 915 } 916 917 static void 918 adaoninvalidate(struct cam_periph *periph) 919 { 920 struct ada_softc *softc; 921 922 softc = (struct ada_softc *)periph->softc; 923 924 /* 925 * De-register any async callbacks. 926 */ 927 xpt_register_async(0, adaasync, periph, periph->path); 928 929 /* 930 * Return all queued I/O with ENXIO. 931 * XXX Handle any transactions queued to the card 932 * with XPT_ABORT_CCB. 933 */ 934 bioq_flush(&softc->bio_queue, NULL, ENXIO); 935 bioq_flush(&softc->trim_queue, NULL, ENXIO); 936 937 disk_gone(softc->disk); 938 } 939 940 static void 941 adacleanup(struct cam_periph *periph) 942 { 943 struct ada_softc *softc; 944 945 softc = (struct ada_softc *)periph->softc; 946 947 cam_periph_unlock(periph); 948 949 /* 950 * If we can't free the sysctl tree, oh well... 951 */ 952 if ((softc->flags & ADA_FLAG_SCTX_INIT) != 0 953 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 954 xpt_print(periph->path, "can't remove sysctl context\n"); 955 } 956 957 disk_destroy(softc->disk); 958 callout_drain(&softc->sendordered_c); 959 free(softc, M_DEVBUF); 960 cam_periph_lock(periph); 961 } 962 963 static void 964 adaasync(void *callback_arg, u_int32_t code, 965 struct cam_path *path, void *arg) 966 { 967 struct ccb_getdev cgd; 968 struct cam_periph *periph; 969 struct ada_softc *softc; 970 971 periph = (struct cam_periph *)callback_arg; 972 switch (code) { 973 case AC_FOUND_DEVICE: 974 { 975 struct ccb_getdev *cgd; 976 cam_status status; 977 978 cgd = (struct ccb_getdev *)arg; 979 if (cgd == NULL) 980 break; 981 982 if (cgd->protocol != PROTO_ATA) 983 break; 984 985 /* 986 * Allocate a peripheral instance for 987 * this device and start the probe 988 * process. 989 */ 990 status = cam_periph_alloc(adaregister, adaoninvalidate, 991 adacleanup, adastart, 992 "ada", CAM_PERIPH_BIO, 993 path, adaasync, 994 AC_FOUND_DEVICE, cgd); 995 996 if (status != CAM_REQ_CMP 997 && status != CAM_REQ_INPROG) 998 printf("adaasync: Unable to attach to new device " 999 "due to status 0x%x\n", status); 1000 break; 1001 } 1002 case AC_GETDEV_CHANGED: 1003 { 1004 softc = (struct ada_softc *)periph->softc; 1005 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1006 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1007 xpt_action((union ccb *)&cgd); 1008 1009 if ((cgd.ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1010 (cgd.inq_flags & SID_DMA)) 1011 softc->flags |= ADA_FLAG_CAN_DMA; 1012 else 1013 softc->flags &= ~ADA_FLAG_CAN_DMA; 1014 if (cgd.ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1015 softc->flags |= ADA_FLAG_CAN_48BIT; 1016 if (cgd.inq_flags & SID_DMA48) 1017 softc->flags |= ADA_FLAG_CAN_DMA48; 1018 else 1019 softc->flags &= ~ADA_FLAG_CAN_DMA48; 1020 } else 1021 softc->flags &= ~(ADA_FLAG_CAN_48BIT | 1022 ADA_FLAG_CAN_DMA48); 1023 if ((cgd.ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1024 (cgd.inq_flags & SID_DMA) && (cgd.inq_flags & SID_CmdQue)) 1025 softc->flags |= ADA_FLAG_CAN_NCQ; 1026 else 1027 softc->flags &= ~ADA_FLAG_CAN_NCQ; 1028 if ((cgd.ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1029 (cgd.inq_flags & SID_DMA)) 1030 softc->flags |= ADA_FLAG_CAN_TRIM; 1031 else 1032 softc->flags &= ~ADA_FLAG_CAN_TRIM; 1033 1034 cam_periph_async(periph, code, path, arg); 1035 break; 1036 } 1037 case AC_ADVINFO_CHANGED: 1038 { 1039 uintptr_t buftype; 1040 1041 buftype = (uintptr_t)arg; 1042 if (buftype == CDAI_TYPE_PHYS_PATH) { 1043 struct ada_softc *softc; 1044 1045 softc = periph->softc; 1046 disk_attr_changed(softc->disk, "GEOM::physpath", 1047 M_NOWAIT); 1048 } 1049 break; 1050 } 1051 case AC_SENT_BDR: 1052 case AC_BUS_RESET: 1053 { 1054 softc = (struct ada_softc *)periph->softc; 1055 cam_periph_async(periph, code, path, arg); 1056 if (softc->state != ADA_STATE_NORMAL) 1057 break; 1058 xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1059 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 1060 xpt_action((union ccb *)&cgd); 1061 if (ADA_RA >= 0 && 1062 cgd.ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) 1063 softc->state = ADA_STATE_RAHEAD; 1064 else if (ADA_WC >= 0 && 1065 cgd.ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) 1066 softc->state = ADA_STATE_WCACHE; 1067 else 1068 break; 1069 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1070 softc->state = ADA_STATE_NORMAL; 1071 else 1072 xpt_schedule(periph, CAM_PRIORITY_DEV); 1073 } 1074 default: 1075 cam_periph_async(periph, code, path, arg); 1076 break; 1077 } 1078 } 1079 1080 static void 1081 adasysctlinit(void *context, int pending) 1082 { 1083 struct cam_periph *periph; 1084 struct ada_softc *softc; 1085 char tmpstr[80], tmpstr2[80]; 1086 1087 periph = (struct cam_periph *)context; 1088 1089 /* periph was held for us when this task was enqueued */ 1090 if ((periph->flags & CAM_PERIPH_INVALID) != 0) { 1091 cam_periph_release(periph); 1092 return; 1093 } 1094 1095 softc = (struct ada_softc *)periph->softc; 1096 snprintf(tmpstr, sizeof(tmpstr), "CAM ADA unit %d", periph->unit_number); 1097 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1098 1099 sysctl_ctx_init(&softc->sysctl_ctx); 1100 softc->flags |= ADA_FLAG_SCTX_INIT; 1101 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1102 SYSCTL_STATIC_CHILDREN(_kern_cam_ada), OID_AUTO, tmpstr2, 1103 CTLFLAG_RD, 0, tmpstr); 1104 if (softc->sysctl_tree == NULL) { 1105 printf("adasysctlinit: unable to allocate sysctl tree\n"); 1106 cam_periph_release(periph); 1107 return; 1108 } 1109 1110 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1111 OID_AUTO, "read_ahead", CTLFLAG_RW | CTLFLAG_MPSAFE, 1112 &softc->read_ahead, 0, "Enable disk read ahead."); 1113 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1114 OID_AUTO, "write_cache", CTLFLAG_RW | CTLFLAG_MPSAFE, 1115 &softc->write_cache, 0, "Enable disk write cache."); 1116 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1117 OID_AUTO, "sort_io_queue", CTLFLAG_RW | CTLFLAG_MPSAFE, 1118 &softc->sort_io_queue, 0, 1119 "Sort IO queue to try and optimise disk access patterns"); 1120 #ifdef ADA_TEST_FAILURE 1121 /* 1122 * Add a 'door bell' sysctl which allows one to set it from userland 1123 * and cause something bad to happen. For the moment, we only allow 1124 * whacking the next read or write. 1125 */ 1126 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1127 OID_AUTO, "force_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1128 &softc->force_read_error, 0, 1129 "Force a read error for the next N reads."); 1130 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1131 OID_AUTO, "force_write_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1132 &softc->force_write_error, 0, 1133 "Force a write error for the next N writes."); 1134 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1135 OID_AUTO, "periodic_read_error", CTLFLAG_RW | CTLFLAG_MPSAFE, 1136 &softc->periodic_read_error, 0, 1137 "Force a read error every N reads (don't set too low)."); 1138 #endif 1139 cam_periph_release(periph); 1140 } 1141 1142 static int 1143 adagetattr(struct bio *bp) 1144 { 1145 int ret; 1146 struct cam_periph *periph; 1147 1148 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1149 cam_periph_lock(periph); 1150 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1151 periph->path); 1152 cam_periph_unlock(periph); 1153 if (ret == 0) 1154 bp->bio_completed = bp->bio_length; 1155 return ret; 1156 } 1157 1158 static cam_status 1159 adaregister(struct cam_periph *periph, void *arg) 1160 { 1161 struct ada_softc *softc; 1162 struct ccb_pathinq cpi; 1163 struct ccb_getdev *cgd; 1164 char announce_buf[80]; 1165 struct disk_params *dp; 1166 caddr_t match; 1167 u_int maxio; 1168 int quirks; 1169 1170 cgd = (struct ccb_getdev *)arg; 1171 if (cgd == NULL) { 1172 printf("adaregister: no getdev CCB, can't register device\n"); 1173 return(CAM_REQ_CMP_ERR); 1174 } 1175 1176 softc = (struct ada_softc *)malloc(sizeof(*softc), M_DEVBUF, 1177 M_NOWAIT|M_ZERO); 1178 1179 if (softc == NULL) { 1180 printf("adaregister: Unable to probe new device. " 1181 "Unable to allocate softc\n"); 1182 return(CAM_REQ_CMP_ERR); 1183 } 1184 1185 bioq_init(&softc->bio_queue); 1186 bioq_init(&softc->trim_queue); 1187 1188 if ((cgd->ident_data.capabilities1 & ATA_SUPPORT_DMA) && 1189 (cgd->inq_flags & SID_DMA)) 1190 softc->flags |= ADA_FLAG_CAN_DMA; 1191 if (cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) { 1192 softc->flags |= ADA_FLAG_CAN_48BIT; 1193 if (cgd->inq_flags & SID_DMA48) 1194 softc->flags |= ADA_FLAG_CAN_DMA48; 1195 } 1196 if (cgd->ident_data.support.command2 & ATA_SUPPORT_FLUSHCACHE) 1197 softc->flags |= ADA_FLAG_CAN_FLUSHCACHE; 1198 if (cgd->ident_data.support.command1 & ATA_SUPPORT_POWERMGT) 1199 softc->flags |= ADA_FLAG_CAN_POWERMGT; 1200 if ((cgd->ident_data.satacapabilities & ATA_SUPPORT_NCQ) && 1201 (cgd->inq_flags & SID_DMA) && (cgd->inq_flags & SID_CmdQue)) 1202 softc->flags |= ADA_FLAG_CAN_NCQ; 1203 if ((cgd->ident_data.support_dsm & ATA_SUPPORT_DSM_TRIM) && 1204 (cgd->inq_flags & SID_DMA)) { 1205 softc->flags |= ADA_FLAG_CAN_TRIM; 1206 softc->trim_max_ranges = TRIM_MAX_RANGES; 1207 if (cgd->ident_data.max_dsm_blocks != 0) { 1208 softc->trim_max_ranges = 1209 min(cgd->ident_data.max_dsm_blocks * 1210 ATA_DSM_BLK_RANGES, softc->trim_max_ranges); 1211 } 1212 } 1213 if (cgd->ident_data.support.command2 & ATA_SUPPORT_CFA) 1214 softc->flags |= ADA_FLAG_CAN_CFA; 1215 1216 periph->softc = softc; 1217 1218 /* 1219 * See if this device has any quirks. 1220 */ 1221 match = cam_quirkmatch((caddr_t)&cgd->ident_data, 1222 (caddr_t)ada_quirk_table, 1223 sizeof(ada_quirk_table)/sizeof(*ada_quirk_table), 1224 sizeof(*ada_quirk_table), ata_identify_match); 1225 if (match != NULL) 1226 softc->quirks = ((struct ada_quirk_entry *)match)->quirks; 1227 else 1228 softc->quirks = ADA_Q_NONE; 1229 1230 bzero(&cpi, sizeof(cpi)); 1231 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE); 1232 cpi.ccb_h.func_code = XPT_PATH_INQ; 1233 xpt_action((union ccb *)&cpi); 1234 1235 TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph); 1236 1237 /* 1238 * Register this media as a disk 1239 */ 1240 (void)cam_periph_hold(periph, PRIBIO); 1241 cam_periph_unlock(periph); 1242 snprintf(announce_buf, sizeof(announce_buf), 1243 "kern.cam.ada.%d.quirks", periph->unit_number); 1244 quirks = softc->quirks; 1245 TUNABLE_INT_FETCH(announce_buf, &quirks); 1246 softc->quirks = quirks; 1247 softc->read_ahead = -1; 1248 snprintf(announce_buf, sizeof(announce_buf), 1249 "kern.cam.ada.%d.read_ahead", periph->unit_number); 1250 TUNABLE_INT_FETCH(announce_buf, &softc->read_ahead); 1251 softc->write_cache = -1; 1252 snprintf(announce_buf, sizeof(announce_buf), 1253 "kern.cam.ada.%d.write_cache", periph->unit_number); 1254 TUNABLE_INT_FETCH(announce_buf, &softc->write_cache); 1255 /* Disable queue sorting for non-rotational media by default. */ 1256 if (cgd->ident_data.media_rotation_rate == ATA_RATE_NON_ROTATING) 1257 softc->sort_io_queue = 0; 1258 else 1259 softc->sort_io_queue = -1; 1260 adagetparams(periph, cgd); 1261 softc->disk = disk_alloc(); 1262 softc->disk->d_rotation_rate = cgd->ident_data.media_rotation_rate; 1263 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1264 periph->unit_number, softc->params.secsize, 1265 DEVSTAT_ALL_SUPPORTED, 1266 DEVSTAT_TYPE_DIRECT | 1267 XPORT_DEVSTAT_TYPE(cpi.transport), 1268 DEVSTAT_PRIORITY_DISK); 1269 softc->disk->d_open = adaopen; 1270 softc->disk->d_close = adaclose; 1271 softc->disk->d_strategy = adastrategy; 1272 softc->disk->d_getattr = adagetattr; 1273 softc->disk->d_dump = adadump; 1274 softc->disk->d_gone = adadiskgonecb; 1275 softc->disk->d_name = "ada"; 1276 softc->disk->d_drv1 = periph; 1277 maxio = cpi.maxio; /* Honor max I/O size of SIM */ 1278 if (maxio == 0) 1279 maxio = DFLTPHYS; /* traditional default */ 1280 else if (maxio > MAXPHYS) 1281 maxio = MAXPHYS; /* for safety */ 1282 if (softc->flags & ADA_FLAG_CAN_48BIT) 1283 maxio = min(maxio, 65536 * softc->params.secsize); 1284 else /* 28bit ATA command limit */ 1285 maxio = min(maxio, 256 * softc->params.secsize); 1286 softc->disk->d_maxsize = maxio; 1287 softc->disk->d_unit = periph->unit_number; 1288 softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION; 1289 if (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) 1290 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1291 if (softc->flags & ADA_FLAG_CAN_TRIM) { 1292 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1293 softc->disk->d_delmaxsize = softc->params.secsize * 1294 ATA_DSM_RANGE_MAX * 1295 softc->trim_max_ranges; 1296 } else if ((softc->flags & ADA_FLAG_CAN_CFA) && 1297 !(softc->flags & ADA_FLAG_CAN_48BIT)) { 1298 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1299 softc->disk->d_delmaxsize = 256 * softc->params.secsize; 1300 } else 1301 softc->disk->d_delmaxsize = maxio; 1302 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) 1303 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 1304 strlcpy(softc->disk->d_descr, cgd->ident_data.model, 1305 MIN(sizeof(softc->disk->d_descr), sizeof(cgd->ident_data.model))); 1306 strlcpy(softc->disk->d_ident, cgd->ident_data.serial, 1307 MIN(sizeof(softc->disk->d_ident), sizeof(cgd->ident_data.serial))); 1308 softc->disk->d_hba_vendor = cpi.hba_vendor; 1309 softc->disk->d_hba_device = cpi.hba_device; 1310 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 1311 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 1312 1313 softc->disk->d_sectorsize = softc->params.secsize; 1314 softc->disk->d_mediasize = (off_t)softc->params.sectors * 1315 softc->params.secsize; 1316 if (ata_physical_sector_size(&cgd->ident_data) != 1317 softc->params.secsize) { 1318 softc->disk->d_stripesize = 1319 ata_physical_sector_size(&cgd->ident_data); 1320 softc->disk->d_stripeoffset = (softc->disk->d_stripesize - 1321 ata_logical_sector_offset(&cgd->ident_data)) % 1322 softc->disk->d_stripesize; 1323 } else if (softc->quirks & ADA_Q_4K) { 1324 softc->disk->d_stripesize = 4096; 1325 softc->disk->d_stripeoffset = 0; 1326 } 1327 softc->disk->d_fwsectors = softc->params.secs_per_track; 1328 softc->disk->d_fwheads = softc->params.heads; 1329 ata_disk_firmware_geom_adjust(softc->disk); 1330 1331 /* 1332 * Acquire a reference to the periph before we register with GEOM. 1333 * We'll release this reference once GEOM calls us back (via 1334 * adadiskgonecb()) telling us that our provider has been freed. 1335 */ 1336 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1337 xpt_print(periph->path, "%s: lost periph during " 1338 "registration!\n", __func__); 1339 cam_periph_lock(periph); 1340 return (CAM_REQ_CMP_ERR); 1341 } 1342 disk_create(softc->disk, DISK_VERSION); 1343 cam_periph_lock(periph); 1344 cam_periph_unhold(periph); 1345 1346 dp = &softc->params; 1347 snprintf(announce_buf, sizeof(announce_buf), 1348 "%juMB (%ju %u byte sectors)", 1349 ((uintmax_t)dp->secsize * dp->sectors) / (1024 * 1024), 1350 (uintmax_t)dp->sectors, dp->secsize); 1351 xpt_announce_periph(periph, announce_buf); 1352 xpt_announce_quirks(periph, softc->quirks, ADA_Q_BIT_STRING); 1353 1354 /* 1355 * Create our sysctl variables, now that we know 1356 * we have successfully attached. 1357 */ 1358 if (cam_periph_acquire(periph) == CAM_REQ_CMP) 1359 taskqueue_enqueue(taskqueue_thread, &softc->sysctl_task); 1360 1361 /* 1362 * Add async callbacks for bus reset and 1363 * bus device reset calls. I don't bother 1364 * checking if this fails as, in most cases, 1365 * the system will function just fine without 1366 * them and the only alternative would be to 1367 * not attach the device on failure. 1368 */ 1369 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 1370 AC_GETDEV_CHANGED | AC_ADVINFO_CHANGED, 1371 adaasync, periph, periph->path); 1372 1373 /* 1374 * Schedule a periodic event to occasionally send an 1375 * ordered tag to a device. 1376 */ 1377 callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0); 1378 callout_reset(&softc->sendordered_c, 1379 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1380 adasendorderedtag, softc); 1381 1382 if (ADA_RA >= 0 && 1383 cgd->ident_data.support.command1 & ATA_SUPPORT_LOOKAHEAD) { 1384 softc->state = ADA_STATE_RAHEAD; 1385 } else if (ADA_WC >= 0 && 1386 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1387 softc->state = ADA_STATE_WCACHE; 1388 } else { 1389 softc->state = ADA_STATE_NORMAL; 1390 return(CAM_REQ_CMP); 1391 } 1392 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 1393 softc->state = ADA_STATE_NORMAL; 1394 else 1395 xpt_schedule(periph, CAM_PRIORITY_DEV); 1396 return(CAM_REQ_CMP); 1397 } 1398 1399 static void 1400 ada_dsmtrim(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio) 1401 { 1402 struct trim_request *req = &softc->trim_req; 1403 uint64_t lastlba = (uint64_t)-1; 1404 int c, lastcount = 0, off, ranges = 0; 1405 1406 bzero(req, sizeof(*req)); 1407 TAILQ_INIT(&req->bps); 1408 do { 1409 uint64_t lba = bp->bio_pblkno; 1410 int count = bp->bio_bcount / softc->params.secsize; 1411 1412 bioq_remove(&softc->trim_queue, bp); 1413 1414 /* Try to extend the previous range. */ 1415 if (lba == lastlba) { 1416 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 1417 lastcount += c; 1418 off = (ranges - 1) * ATA_DSM_RANGE_SIZE; 1419 req->data[off + 6] = lastcount & 0xff; 1420 req->data[off + 7] = 1421 (lastcount >> 8) & 0xff; 1422 count -= c; 1423 lba += c; 1424 } 1425 1426 while (count > 0) { 1427 c = min(count, ATA_DSM_RANGE_MAX); 1428 off = ranges * ATA_DSM_RANGE_SIZE; 1429 req->data[off + 0] = lba & 0xff; 1430 req->data[off + 1] = (lba >> 8) & 0xff; 1431 req->data[off + 2] = (lba >> 16) & 0xff; 1432 req->data[off + 3] = (lba >> 24) & 0xff; 1433 req->data[off + 4] = (lba >> 32) & 0xff; 1434 req->data[off + 5] = (lba >> 40) & 0xff; 1435 req->data[off + 6] = c & 0xff; 1436 req->data[off + 7] = (c >> 8) & 0xff; 1437 lba += c; 1438 count -= c; 1439 lastcount = c; 1440 ranges++; 1441 /* 1442 * Its the caller's responsibility to ensure the 1443 * request will fit so we don't need to check for 1444 * overrun here 1445 */ 1446 } 1447 lastlba = lba; 1448 TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue); 1449 bp = bioq_first(&softc->trim_queue); 1450 if (bp == NULL || 1451 bp->bio_bcount / softc->params.secsize > 1452 (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) 1453 break; 1454 } while (1); 1455 cam_fill_ataio(ataio, 1456 ada_retry_count, 1457 adadone, 1458 CAM_DIR_OUT, 1459 0, 1460 req->data, 1461 ((ranges + ATA_DSM_BLK_RANGES - 1) / 1462 ATA_DSM_BLK_RANGES) * ATA_DSM_BLK_SIZE, 1463 ada_default_timeout * 1000); 1464 ata_48bit_cmd(ataio, ATA_DATA_SET_MANAGEMENT, 1465 ATA_DSM_TRIM, 0, (ranges + ATA_DSM_BLK_RANGES - 1466 1) / ATA_DSM_BLK_RANGES); 1467 } 1468 1469 static void 1470 ada_cfaerase(struct ada_softc *softc, struct bio *bp, struct ccb_ataio *ataio) 1471 { 1472 struct trim_request *req = &softc->trim_req; 1473 uint64_t lba = bp->bio_pblkno; 1474 uint16_t count = bp->bio_bcount / softc->params.secsize; 1475 1476 bzero(req, sizeof(*req)); 1477 TAILQ_INIT(&req->bps); 1478 bioq_remove(&softc->trim_queue, bp); 1479 TAILQ_INSERT_TAIL(&req->bps, bp, bio_queue); 1480 1481 cam_fill_ataio(ataio, 1482 ada_retry_count, 1483 adadone, 1484 CAM_DIR_NONE, 1485 0, 1486 NULL, 1487 0, 1488 ada_default_timeout*1000); 1489 1490 if (count >= 256) 1491 count = 0; 1492 ata_28bit_cmd(ataio, ATA_CFA_ERASE, 0, lba, count); 1493 } 1494 1495 static void 1496 adastart(struct cam_periph *periph, union ccb *start_ccb) 1497 { 1498 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1499 struct ccb_ataio *ataio = &start_ccb->ataio; 1500 1501 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n")); 1502 1503 switch (softc->state) { 1504 case ADA_STATE_NORMAL: 1505 { 1506 struct bio *bp; 1507 u_int8_t tag_code; 1508 1509 /* Run TRIM if not running yet. */ 1510 if (!softc->trim_running && 1511 (bp = bioq_first(&softc->trim_queue)) != 0) { 1512 if (softc->flags & ADA_FLAG_CAN_TRIM) { 1513 ada_dsmtrim(softc, bp, ataio); 1514 } else if ((softc->flags & ADA_FLAG_CAN_CFA) && 1515 !(softc->flags & ADA_FLAG_CAN_48BIT)) { 1516 ada_cfaerase(softc, bp, ataio); 1517 } else { 1518 /* This can happen if DMA was disabled. */ 1519 bioq_remove(&softc->trim_queue, bp); 1520 biofinish(bp, NULL, EOPNOTSUPP); 1521 xpt_release_ccb(start_ccb); 1522 adaschedule(periph); 1523 return; 1524 } 1525 softc->trim_running = 1; 1526 start_ccb->ccb_h.ccb_state = ADA_CCB_TRIM; 1527 start_ccb->ccb_h.flags |= CAM_UNLOCKED; 1528 goto out; 1529 } 1530 /* Run regular command. */ 1531 bp = bioq_first(&softc->bio_queue); 1532 if (bp == NULL) { 1533 xpt_release_ccb(start_ccb); 1534 break; 1535 } 1536 bioq_remove(&softc->bio_queue, bp); 1537 1538 if ((bp->bio_flags & BIO_ORDERED) != 0 1539 || (softc->flags & ADA_FLAG_NEED_OTAG) != 0) { 1540 softc->flags &= ~ADA_FLAG_NEED_OTAG; 1541 softc->flags |= ADA_FLAG_WAS_OTAG; 1542 tag_code = 0; 1543 } else { 1544 tag_code = 1; 1545 } 1546 switch (bp->bio_cmd) { 1547 case BIO_WRITE: 1548 softc->flags |= ADA_FLAG_DIRTY; 1549 /* FALLTHROUGH */ 1550 case BIO_READ: 1551 { 1552 uint64_t lba = bp->bio_pblkno; 1553 uint16_t count = bp->bio_bcount / softc->params.secsize; 1554 #ifdef ADA_TEST_FAILURE 1555 int fail = 0; 1556 1557 /* 1558 * Support the failure ioctls. If the command is a 1559 * read, and there are pending forced read errors, or 1560 * if a write and pending write errors, then fail this 1561 * operation with EIO. This is useful for testing 1562 * purposes. Also, support having every Nth read fail. 1563 * 1564 * This is a rather blunt tool. 1565 */ 1566 if (bp->bio_cmd == BIO_READ) { 1567 if (softc->force_read_error) { 1568 softc->force_read_error--; 1569 fail = 1; 1570 } 1571 if (softc->periodic_read_error > 0) { 1572 if (++softc->periodic_read_count >= 1573 softc->periodic_read_error) { 1574 softc->periodic_read_count = 0; 1575 fail = 1; 1576 } 1577 } 1578 } else { 1579 if (softc->force_write_error) { 1580 softc->force_write_error--; 1581 fail = 1; 1582 } 1583 } 1584 if (fail) { 1585 biofinish(bp, NULL, EIO); 1586 xpt_release_ccb(start_ccb); 1587 adaschedule(periph); 1588 return; 1589 } 1590 #endif 1591 KASSERT((bp->bio_flags & BIO_UNMAPPED) == 0 || 1592 round_page(bp->bio_bcount + bp->bio_ma_offset) / 1593 PAGE_SIZE == bp->bio_ma_n, 1594 ("Short bio %p", bp)); 1595 cam_fill_ataio(ataio, 1596 ada_retry_count, 1597 adadone, 1598 (bp->bio_cmd == BIO_READ ? CAM_DIR_IN : 1599 CAM_DIR_OUT) | ((bp->bio_flags & BIO_UNMAPPED) 1600 != 0 ? CAM_DATA_BIO : 0), 1601 tag_code, 1602 ((bp->bio_flags & BIO_UNMAPPED) != 0) ? (void *)bp : 1603 bp->bio_data, 1604 bp->bio_bcount, 1605 ada_default_timeout*1000); 1606 1607 if ((softc->flags & ADA_FLAG_CAN_NCQ) && tag_code) { 1608 if (bp->bio_cmd == BIO_READ) { 1609 ata_ncq_cmd(ataio, ATA_READ_FPDMA_QUEUED, 1610 lba, count); 1611 } else { 1612 ata_ncq_cmd(ataio, ATA_WRITE_FPDMA_QUEUED, 1613 lba, count); 1614 } 1615 } else if ((softc->flags & ADA_FLAG_CAN_48BIT) && 1616 (lba + count >= ATA_MAX_28BIT_LBA || 1617 count > 256)) { 1618 if (softc->flags & ADA_FLAG_CAN_DMA48) { 1619 if (bp->bio_cmd == BIO_READ) { 1620 ata_48bit_cmd(ataio, ATA_READ_DMA48, 1621 0, lba, count); 1622 } else { 1623 ata_48bit_cmd(ataio, ATA_WRITE_DMA48, 1624 0, lba, count); 1625 } 1626 } else { 1627 if (bp->bio_cmd == BIO_READ) { 1628 ata_48bit_cmd(ataio, ATA_READ_MUL48, 1629 0, lba, count); 1630 } else { 1631 ata_48bit_cmd(ataio, ATA_WRITE_MUL48, 1632 0, lba, count); 1633 } 1634 } 1635 } else { 1636 if (count == 256) 1637 count = 0; 1638 if (softc->flags & ADA_FLAG_CAN_DMA) { 1639 if (bp->bio_cmd == BIO_READ) { 1640 ata_28bit_cmd(ataio, ATA_READ_DMA, 1641 0, lba, count); 1642 } else { 1643 ata_28bit_cmd(ataio, ATA_WRITE_DMA, 1644 0, lba, count); 1645 } 1646 } else { 1647 if (bp->bio_cmd == BIO_READ) { 1648 ata_28bit_cmd(ataio, ATA_READ_MUL, 1649 0, lba, count); 1650 } else { 1651 ata_28bit_cmd(ataio, ATA_WRITE_MUL, 1652 0, lba, count); 1653 } 1654 } 1655 } 1656 break; 1657 } 1658 case BIO_FLUSH: 1659 cam_fill_ataio(ataio, 1660 1, 1661 adadone, 1662 CAM_DIR_NONE, 1663 0, 1664 NULL, 1665 0, 1666 ada_default_timeout*1000); 1667 1668 if (softc->flags & ADA_FLAG_CAN_48BIT) 1669 ata_48bit_cmd(ataio, ATA_FLUSHCACHE48, 0, 0, 0); 1670 else 1671 ata_28bit_cmd(ataio, ATA_FLUSHCACHE, 0, 0, 0); 1672 break; 1673 } 1674 start_ccb->ccb_h.ccb_state = ADA_CCB_BUFFER_IO; 1675 start_ccb->ccb_h.flags |= CAM_UNLOCKED; 1676 out: 1677 start_ccb->ccb_h.ccb_bp = bp; 1678 softc->outstanding_cmds++; 1679 softc->refcount++; 1680 cam_periph_unlock(periph); 1681 xpt_action(start_ccb); 1682 cam_periph_lock(periph); 1683 softc->refcount--; 1684 1685 /* May have more work to do, so ensure we stay scheduled */ 1686 adaschedule(periph); 1687 break; 1688 } 1689 case ADA_STATE_RAHEAD: 1690 case ADA_STATE_WCACHE: 1691 { 1692 cam_fill_ataio(ataio, 1693 1, 1694 adadone, 1695 CAM_DIR_NONE, 1696 0, 1697 NULL, 1698 0, 1699 ada_default_timeout*1000); 1700 1701 if (softc->state == ADA_STATE_RAHEAD) { 1702 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_RA ? 1703 ATA_SF_ENAB_RCACHE : ATA_SF_DIS_RCACHE, 0, 0); 1704 start_ccb->ccb_h.ccb_state = ADA_CCB_RAHEAD; 1705 } else { 1706 ata_28bit_cmd(ataio, ATA_SETFEATURES, ADA_WC ? 1707 ATA_SF_ENAB_WCACHE : ATA_SF_DIS_WCACHE, 0, 0); 1708 start_ccb->ccb_h.ccb_state = ADA_CCB_WCACHE; 1709 } 1710 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 1711 xpt_action(start_ccb); 1712 break; 1713 } 1714 } 1715 } 1716 1717 static void 1718 adadone(struct cam_periph *periph, union ccb *done_ccb) 1719 { 1720 struct ada_softc *softc; 1721 struct ccb_ataio *ataio; 1722 struct ccb_getdev *cgd; 1723 struct cam_path *path; 1724 int state; 1725 1726 softc = (struct ada_softc *)periph->softc; 1727 ataio = &done_ccb->ataio; 1728 path = done_ccb->ccb_h.path; 1729 1730 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("adadone\n")); 1731 1732 state = ataio->ccb_h.ccb_state & ADA_CCB_TYPE_MASK; 1733 switch (state) { 1734 case ADA_CCB_BUFFER_IO: 1735 case ADA_CCB_TRIM: 1736 { 1737 struct bio *bp; 1738 int error; 1739 1740 cam_periph_lock(periph); 1741 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1742 error = adaerror(done_ccb, 0, 0); 1743 if (error == ERESTART) { 1744 /* A retry was scheduled, so just return. */ 1745 cam_periph_unlock(periph); 1746 return; 1747 } 1748 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1749 cam_release_devq(path, 1750 /*relsim_flags*/0, 1751 /*reduction*/0, 1752 /*timeout*/0, 1753 /*getcount_only*/0); 1754 } else { 1755 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 1756 panic("REQ_CMP with QFRZN"); 1757 error = 0; 1758 } 1759 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 1760 bp->bio_error = error; 1761 if (error != 0) { 1762 bp->bio_resid = bp->bio_bcount; 1763 bp->bio_flags |= BIO_ERROR; 1764 } else { 1765 if (state == ADA_CCB_TRIM) 1766 bp->bio_resid = 0; 1767 else 1768 bp->bio_resid = ataio->resid; 1769 if (bp->bio_resid > 0) 1770 bp->bio_flags |= BIO_ERROR; 1771 } 1772 softc->outstanding_cmds--; 1773 if (softc->outstanding_cmds == 0) 1774 softc->flags |= ADA_FLAG_WAS_OTAG; 1775 xpt_release_ccb(done_ccb); 1776 if (state == ADA_CCB_TRIM) { 1777 TAILQ_HEAD(, bio) queue; 1778 struct bio *bp1; 1779 1780 TAILQ_INIT(&queue); 1781 TAILQ_CONCAT(&queue, &softc->trim_req.bps, bio_queue); 1782 /* 1783 * Normally, the xpt_release_ccb() above would make sure 1784 * that when we have more work to do, that work would 1785 * get kicked off. However, we specifically keep 1786 * trim_running set to 0 before the call above to allow 1787 * other I/O to progress when many BIO_DELETE requests 1788 * are pushed down. We set trim_running to 0 and call 1789 * daschedule again so that we don't stall if there are 1790 * no other I/Os pending apart from BIO_DELETEs. 1791 */ 1792 softc->trim_running = 0; 1793 adaschedule(periph); 1794 cam_periph_unlock(periph); 1795 while ((bp1 = TAILQ_FIRST(&queue)) != NULL) { 1796 TAILQ_REMOVE(&queue, bp1, bio_queue); 1797 bp1->bio_error = error; 1798 if (error != 0) { 1799 bp1->bio_flags |= BIO_ERROR; 1800 bp1->bio_resid = bp1->bio_bcount; 1801 } else 1802 bp1->bio_resid = 0; 1803 biodone(bp1); 1804 } 1805 } else { 1806 cam_periph_unlock(periph); 1807 biodone(bp); 1808 } 1809 return; 1810 } 1811 case ADA_CCB_RAHEAD: 1812 { 1813 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1814 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1815 out: 1816 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1817 cam_release_devq(path, 0, 0, 0, FALSE); 1818 return; 1819 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1820 cam_release_devq(path, 1821 /*relsim_flags*/0, 1822 /*reduction*/0, 1823 /*timeout*/0, 1824 /*getcount_only*/0); 1825 } 1826 } 1827 1828 /* 1829 * Since our peripheral may be invalidated by an error 1830 * above or an external event, we must release our CCB 1831 * before releasing the reference on the peripheral. 1832 * The peripheral will only go away once the last reference 1833 * is removed, and we need it around for the CCB release 1834 * operation. 1835 */ 1836 cgd = (struct ccb_getdev *)done_ccb; 1837 xpt_setup_ccb(&cgd->ccb_h, path, CAM_PRIORITY_NORMAL); 1838 cgd->ccb_h.func_code = XPT_GDEV_TYPE; 1839 xpt_action((union ccb *)cgd); 1840 if (ADA_WC >= 0 && 1841 cgd->ident_data.support.command1 & ATA_SUPPORT_WRITECACHE) { 1842 softc->state = ADA_STATE_WCACHE; 1843 xpt_release_ccb(done_ccb); 1844 xpt_schedule(periph, CAM_PRIORITY_DEV); 1845 goto out; 1846 } 1847 softc->state = ADA_STATE_NORMAL; 1848 xpt_release_ccb(done_ccb); 1849 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1850 cam_release_devq(path, 0, 0, 0, FALSE); 1851 adaschedule(periph); 1852 cam_periph_release_locked(periph); 1853 return; 1854 } 1855 case ADA_CCB_WCACHE: 1856 { 1857 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1858 if (adaerror(done_ccb, 0, 0) == ERESTART) { 1859 goto out; 1860 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1861 cam_release_devq(path, 1862 /*relsim_flags*/0, 1863 /*reduction*/0, 1864 /*timeout*/0, 1865 /*getcount_only*/0); 1866 } 1867 } 1868 1869 softc->state = ADA_STATE_NORMAL; 1870 /* 1871 * Since our peripheral may be invalidated by an error 1872 * above or an external event, we must release our CCB 1873 * before releasing the reference on the peripheral. 1874 * The peripheral will only go away once the last reference 1875 * is removed, and we need it around for the CCB release 1876 * operation. 1877 */ 1878 xpt_release_ccb(done_ccb); 1879 /* Drop freeze taken due to CAM_DEV_QFREEZE */ 1880 cam_release_devq(path, 0, 0, 0, FALSE); 1881 adaschedule(periph); 1882 cam_periph_release_locked(periph); 1883 return; 1884 } 1885 case ADA_CCB_DUMP: 1886 /* No-op. We're polling */ 1887 return; 1888 default: 1889 break; 1890 } 1891 xpt_release_ccb(done_ccb); 1892 } 1893 1894 static int 1895 adaerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 1896 { 1897 1898 return(cam_periph_error(ccb, cam_flags, sense_flags, NULL)); 1899 } 1900 1901 static void 1902 adagetparams(struct cam_periph *periph, struct ccb_getdev *cgd) 1903 { 1904 struct ada_softc *softc = (struct ada_softc *)periph->softc; 1905 struct disk_params *dp = &softc->params; 1906 u_int64_t lbasize48; 1907 u_int32_t lbasize; 1908 1909 dp->secsize = ata_logical_sector_size(&cgd->ident_data); 1910 if ((cgd->ident_data.atavalid & ATA_FLAG_54_58) && 1911 cgd->ident_data.current_heads && cgd->ident_data.current_sectors) { 1912 dp->heads = cgd->ident_data.current_heads; 1913 dp->secs_per_track = cgd->ident_data.current_sectors; 1914 dp->cylinders = cgd->ident_data.cylinders; 1915 dp->sectors = (u_int32_t)cgd->ident_data.current_size_1 | 1916 ((u_int32_t)cgd->ident_data.current_size_2 << 16); 1917 } else { 1918 dp->heads = cgd->ident_data.heads; 1919 dp->secs_per_track = cgd->ident_data.sectors; 1920 dp->cylinders = cgd->ident_data.cylinders; 1921 dp->sectors = cgd->ident_data.cylinders * dp->heads * dp->secs_per_track; 1922 } 1923 lbasize = (u_int32_t)cgd->ident_data.lba_size_1 | 1924 ((u_int32_t)cgd->ident_data.lba_size_2 << 16); 1925 1926 /* use the 28bit LBA size if valid or bigger than the CHS mapping */ 1927 if (cgd->ident_data.cylinders == 16383 || dp->sectors < lbasize) 1928 dp->sectors = lbasize; 1929 1930 /* use the 48bit LBA size if valid */ 1931 lbasize48 = ((u_int64_t)cgd->ident_data.lba_size48_1) | 1932 ((u_int64_t)cgd->ident_data.lba_size48_2 << 16) | 1933 ((u_int64_t)cgd->ident_data.lba_size48_3 << 32) | 1934 ((u_int64_t)cgd->ident_data.lba_size48_4 << 48); 1935 if ((cgd->ident_data.support.command2 & ATA_SUPPORT_ADDRESS48) && 1936 lbasize48 > ATA_MAX_28BIT_LBA) 1937 dp->sectors = lbasize48; 1938 } 1939 1940 static void 1941 adasendorderedtag(void *arg) 1942 { 1943 struct ada_softc *softc = arg; 1944 1945 if (ada_send_ordered) { 1946 if (softc->outstanding_cmds > 0) { 1947 if ((softc->flags & ADA_FLAG_WAS_OTAG) == 0) 1948 softc->flags |= ADA_FLAG_NEED_OTAG; 1949 softc->flags &= ~ADA_FLAG_WAS_OTAG; 1950 } 1951 } 1952 /* Queue us up again */ 1953 callout_reset(&softc->sendordered_c, 1954 (ada_default_timeout * hz) / ADA_ORDEREDTAG_INTERVAL, 1955 adasendorderedtag, softc); 1956 } 1957 1958 /* 1959 * Step through all ADA peripheral drivers, and if the device is still open, 1960 * sync the disk cache to physical media. 1961 */ 1962 static void 1963 adaflush(void) 1964 { 1965 struct cam_periph *periph; 1966 struct ada_softc *softc; 1967 union ccb *ccb; 1968 int error; 1969 1970 CAM_PERIPH_FOREACH(periph, &adadriver) { 1971 softc = (struct ada_softc *)periph->softc; 1972 if (SCHEDULER_STOPPED()) { 1973 /* If we paniced with the lock held, do not recurse. */ 1974 if (!cam_periph_owned(periph) && 1975 (softc->flags & ADA_FLAG_OPEN)) { 1976 adadump(softc->disk, NULL, 0, 0, 0); 1977 } 1978 continue; 1979 } 1980 cam_periph_lock(periph); 1981 /* 1982 * We only sync the cache if the drive is still open, and 1983 * if the drive is capable of it.. 1984 */ 1985 if (((softc->flags & ADA_FLAG_OPEN) == 0) || 1986 (softc->flags & ADA_FLAG_CAN_FLUSHCACHE) == 0) { 1987 cam_periph_unlock(periph); 1988 continue; 1989 } 1990 1991 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1992 cam_fill_ataio(&ccb->ataio, 1993 0, 1994 adadone, 1995 CAM_DIR_NONE, 1996 0, 1997 NULL, 1998 0, 1999 ada_default_timeout*1000); 2000 if (softc->flags & ADA_FLAG_CAN_48BIT) 2001 ata_48bit_cmd(&ccb->ataio, ATA_FLUSHCACHE48, 0, 0, 0); 2002 else 2003 ata_28bit_cmd(&ccb->ataio, ATA_FLUSHCACHE, 0, 0, 0); 2004 2005 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 2006 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 2007 softc->disk->d_devstat); 2008 if (error != 0) 2009 xpt_print(periph->path, "Synchronize cache failed\n"); 2010 xpt_release_ccb(ccb); 2011 cam_periph_unlock(periph); 2012 } 2013 } 2014 2015 static void 2016 adaspindown(uint8_t cmd, int flags) 2017 { 2018 struct cam_periph *periph; 2019 struct ada_softc *softc; 2020 union ccb *ccb; 2021 int error; 2022 2023 CAM_PERIPH_FOREACH(periph, &adadriver) { 2024 /* If we paniced with lock held - not recurse here. */ 2025 if (cam_periph_owned(periph)) 2026 continue; 2027 cam_periph_lock(periph); 2028 softc = (struct ada_softc *)periph->softc; 2029 /* 2030 * We only spin-down the drive if it is capable of it.. 2031 */ 2032 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2033 cam_periph_unlock(periph); 2034 continue; 2035 } 2036 2037 if (bootverbose) 2038 xpt_print(periph->path, "spin-down\n"); 2039 2040 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 2041 cam_fill_ataio(&ccb->ataio, 2042 0, 2043 adadone, 2044 CAM_DIR_NONE | flags, 2045 0, 2046 NULL, 2047 0, 2048 ada_default_timeout*1000); 2049 ata_28bit_cmd(&ccb->ataio, cmd, 0, 0, 0); 2050 2051 error = cam_periph_runccb(ccb, adaerror, /*cam_flags*/0, 2052 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY, 2053 softc->disk->d_devstat); 2054 if (error != 0) 2055 xpt_print(periph->path, "Spin-down disk failed\n"); 2056 xpt_release_ccb(ccb); 2057 cam_periph_unlock(periph); 2058 } 2059 } 2060 2061 static void 2062 adashutdown(void *arg, int howto) 2063 { 2064 2065 adaflush(); 2066 if (ada_spindown_shutdown != 0 && 2067 (howto & (RB_HALT | RB_POWEROFF)) != 0) 2068 adaspindown(ATA_STANDBY_IMMEDIATE, 0); 2069 } 2070 2071 static void 2072 adasuspend(void *arg) 2073 { 2074 2075 adaflush(); 2076 if (ada_spindown_suspend != 0) 2077 adaspindown(ATA_SLEEP, CAM_DEV_QFREEZE); 2078 } 2079 2080 static void 2081 adaresume(void *arg) 2082 { 2083 struct cam_periph *periph; 2084 struct ada_softc *softc; 2085 2086 if (ada_spindown_suspend == 0) 2087 return; 2088 2089 CAM_PERIPH_FOREACH(periph, &adadriver) { 2090 cam_periph_lock(periph); 2091 softc = (struct ada_softc *)periph->softc; 2092 /* 2093 * We only spin-down the drive if it is capable of it.. 2094 */ 2095 if ((softc->flags & ADA_FLAG_CAN_POWERMGT) == 0) { 2096 cam_periph_unlock(periph); 2097 continue; 2098 } 2099 2100 if (bootverbose) 2101 xpt_print(periph->path, "resume\n"); 2102 2103 /* 2104 * Drop freeze taken due to CAM_DEV_QFREEZE flag set on 2105 * sleep request. 2106 */ 2107 cam_release_devq(periph->path, 2108 /*relsim_flags*/0, 2109 /*openings*/0, 2110 /*timeout*/0, 2111 /*getcount_only*/0); 2112 2113 cam_periph_unlock(periph); 2114 } 2115 } 2116 2117 #endif /* _KERNEL */ 2118