1 /*- 2 * Implementation of SCSI Direct Access Peripheral driver for CAM. 3 * 4 * Copyright (c) 1997 Justin T. Gibbs. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions, and the following disclaimer, 12 * without modification, immediately at the beginning of the file. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 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/endian.h> 48 #include <sys/proc.h> 49 #include <geom/geom.h> 50 #include <geom/geom_disk.h> 51 #endif /* _KERNEL */ 52 53 #ifndef _KERNEL 54 #include <stdio.h> 55 #include <string.h> 56 #endif /* _KERNEL */ 57 58 #include <cam/cam.h> 59 #include <cam/cam_ccb.h> 60 #include <cam/cam_periph.h> 61 #include <cam/cam_xpt_periph.h> 62 #include <cam/cam_sim.h> 63 64 #include <cam/scsi/scsi_message.h> 65 66 #ifndef _KERNEL 67 #include <cam/scsi/scsi_da.h> 68 #endif /* !_KERNEL */ 69 70 #ifdef _KERNEL 71 typedef enum { 72 DA_STATE_PROBE_RC, 73 DA_STATE_PROBE_RC16, 74 DA_STATE_PROBE_LBP, 75 DA_STATE_PROBE_BLK_LIMITS, 76 DA_STATE_PROBE_BDC, 77 DA_STATE_PROBE_ATA, 78 DA_STATE_NORMAL 79 } da_state; 80 81 typedef enum { 82 DA_FLAG_PACK_INVALID = 0x001, 83 DA_FLAG_NEW_PACK = 0x002, 84 DA_FLAG_PACK_LOCKED = 0x004, 85 DA_FLAG_PACK_REMOVABLE = 0x008, 86 DA_FLAG_NEED_OTAG = 0x020, 87 DA_FLAG_WAS_OTAG = 0x040, 88 DA_FLAG_RETRY_UA = 0x080, 89 DA_FLAG_OPEN = 0x100, 90 DA_FLAG_SCTX_INIT = 0x200, 91 DA_FLAG_CAN_RC16 = 0x400, 92 DA_FLAG_PROBED = 0x800, 93 DA_FLAG_DIRTY = 0x1000, 94 DA_FLAG_ANNOUNCED = 0x2000 95 } da_flags; 96 97 typedef enum { 98 DA_Q_NONE = 0x00, 99 DA_Q_NO_SYNC_CACHE = 0x01, 100 DA_Q_NO_6_BYTE = 0x02, 101 DA_Q_NO_PREVENT = 0x04, 102 DA_Q_4K = 0x08, 103 DA_Q_NO_RC16 = 0x10, 104 DA_Q_NO_UNMAP = 0x20 105 } da_quirks; 106 107 #define DA_Q_BIT_STRING \ 108 "\020" \ 109 "\001NO_SYNC_CACHE" \ 110 "\002NO_6_BYTE" \ 111 "\003NO_PREVENT" \ 112 "\0044K" \ 113 "\005NO_RC16" 114 115 typedef enum { 116 DA_CCB_PROBE_RC = 0x01, 117 DA_CCB_PROBE_RC16 = 0x02, 118 DA_CCB_PROBE_LBP = 0x03, 119 DA_CCB_PROBE_BLK_LIMITS = 0x04, 120 DA_CCB_PROBE_BDC = 0x05, 121 DA_CCB_PROBE_ATA = 0x06, 122 DA_CCB_BUFFER_IO = 0x07, 123 DA_CCB_DUMP = 0x0A, 124 DA_CCB_DELETE = 0x0B, 125 DA_CCB_TUR = 0x0C, 126 DA_CCB_TYPE_MASK = 0x0F, 127 DA_CCB_RETRY_UA = 0x10 128 } da_ccb_state; 129 130 /* 131 * Order here is important for method choice 132 * 133 * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to 134 * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes 135 * using ATA_TRIM than the corresponding UNMAP results for a real world mysql 136 * import taking 5mins. 137 * 138 */ 139 typedef enum { 140 DA_DELETE_NONE, 141 DA_DELETE_DISABLE, 142 DA_DELETE_ATA_TRIM, 143 DA_DELETE_UNMAP, 144 DA_DELETE_WS16, 145 DA_DELETE_WS10, 146 DA_DELETE_ZERO, 147 DA_DELETE_MIN = DA_DELETE_ATA_TRIM, 148 DA_DELETE_MAX = DA_DELETE_ZERO 149 } da_delete_methods; 150 151 typedef void da_delete_func_t (struct cam_periph *periph, union ccb *ccb, 152 struct bio *bp); 153 static da_delete_func_t da_delete_trim; 154 static da_delete_func_t da_delete_unmap; 155 static da_delete_func_t da_delete_ws; 156 157 static const void * da_delete_functions[] = { 158 NULL, 159 NULL, 160 da_delete_trim, 161 da_delete_unmap, 162 da_delete_ws, 163 da_delete_ws, 164 da_delete_ws 165 }; 166 167 static const char *da_delete_method_names[] = 168 { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" }; 169 static const char *da_delete_method_desc[] = 170 { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP", 171 "WRITE SAME(10) with UNMAP", "ZERO" }; 172 173 /* Offsets into our private area for storing information */ 174 #define ccb_state ppriv_field0 175 #define ccb_bp ppriv_ptr1 176 177 struct disk_params { 178 u_int8_t heads; 179 u_int32_t cylinders; 180 u_int8_t secs_per_track; 181 u_int32_t secsize; /* Number of bytes/sector */ 182 u_int64_t sectors; /* total number sectors */ 183 u_int stripesize; 184 u_int stripeoffset; 185 }; 186 187 #define UNMAP_RANGE_MAX 0xffffffff 188 #define UNMAP_HEAD_SIZE 8 189 #define UNMAP_RANGE_SIZE 16 190 #define UNMAP_MAX_RANGES 2048 /* Protocol Max is 4095 */ 191 #define UNMAP_BUF_SIZE ((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \ 192 UNMAP_HEAD_SIZE) 193 194 #define WS10_MAX_BLKS 0xffff 195 #define WS16_MAX_BLKS 0xffffffff 196 #define ATA_TRIM_MAX_RANGES ((UNMAP_BUF_SIZE / \ 197 (ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE) 198 199 struct da_softc { 200 struct bio_queue_head bio_queue; 201 struct bio_queue_head delete_queue; 202 struct bio_queue_head delete_run_queue; 203 LIST_HEAD(, ccb_hdr) pending_ccbs; 204 int tur; /* TEST UNIT READY should be sent */ 205 int refcount; /* Active xpt_action() calls */ 206 da_state state; 207 da_flags flags; 208 da_quirks quirks; 209 int sort_io_queue; 210 int minimum_cmd_size; 211 int error_inject; 212 int trim_max_ranges; 213 int delete_running; 214 int delete_available; /* Delete methods possibly available */ 215 u_int maxio; 216 uint32_t unmap_max_ranges; 217 uint32_t unmap_max_lba; /* Max LBAs in UNMAP req */ 218 uint64_t ws_max_blks; 219 da_delete_methods delete_method; 220 da_delete_func_t *delete_func; 221 struct disk_params params; 222 struct disk *disk; 223 union ccb saved_ccb; 224 struct task sysctl_task; 225 struct sysctl_ctx_list sysctl_ctx; 226 struct sysctl_oid *sysctl_tree; 227 struct callout sendordered_c; 228 uint64_t wwpn; 229 uint8_t unmap_buf[UNMAP_BUF_SIZE]; 230 struct scsi_read_capacity_data_long rcaplong; 231 struct callout mediapoll_c; 232 }; 233 234 #define dadeleteflag(softc, delete_method, enable) \ 235 if (enable) { \ 236 softc->delete_available |= (1 << delete_method); \ 237 } else { \ 238 softc->delete_available &= ~(1 << delete_method); \ 239 } 240 241 struct da_quirk_entry { 242 struct scsi_inquiry_pattern inq_pat; 243 da_quirks quirks; 244 }; 245 246 static const char quantum[] = "QUANTUM"; 247 static const char microp[] = "MICROP"; 248 249 static struct da_quirk_entry da_quirk_table[] = 250 { 251 /* SPI, FC devices */ 252 { 253 /* 254 * Fujitsu M2513A MO drives. 255 * Tested devices: M2513A2 firmware versions 1200 & 1300. 256 * (dip switch selects whether T_DIRECT or T_OPTICAL device) 257 * Reported by: W.Scholten <whs@xs4all.nl> 258 */ 259 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 260 /*quirks*/ DA_Q_NO_SYNC_CACHE 261 }, 262 { 263 /* See above. */ 264 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 265 /*quirks*/ DA_Q_NO_SYNC_CACHE 266 }, 267 { 268 /* 269 * This particular Fujitsu drive doesn't like the 270 * synchronize cache command. 271 * Reported by: Tom Jackson <toj@gorilla.net> 272 */ 273 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"}, 274 /*quirks*/ DA_Q_NO_SYNC_CACHE 275 }, 276 { 277 /* 278 * This drive doesn't like the synchronize cache command 279 * either. Reported by: Matthew Jacob <mjacob@feral.com> 280 * in NetBSD PR kern/6027, August 24, 1998. 281 */ 282 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"}, 283 /*quirks*/ DA_Q_NO_SYNC_CACHE 284 }, 285 { 286 /* 287 * This drive doesn't like the synchronize cache command 288 * either. Reported by: Hellmuth Michaelis (hm@kts.org) 289 * (PR 8882). 290 */ 291 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"}, 292 /*quirks*/ DA_Q_NO_SYNC_CACHE 293 }, 294 { 295 /* 296 * Doesn't like the synchronize cache command. 297 * Reported by: Blaz Zupan <blaz@gold.amis.net> 298 */ 299 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"}, 300 /*quirks*/ DA_Q_NO_SYNC_CACHE 301 }, 302 { 303 /* 304 * Doesn't like the synchronize cache command. 305 * Reported by: Blaz Zupan <blaz@gold.amis.net> 306 */ 307 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"}, 308 /*quirks*/ DA_Q_NO_SYNC_CACHE 309 }, 310 { 311 /* 312 * Doesn't like the synchronize cache command. 313 */ 314 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"}, 315 /*quirks*/ DA_Q_NO_SYNC_CACHE 316 }, 317 { 318 /* 319 * Doesn't like the synchronize cache command. 320 * Reported by: walter@pelissero.de 321 */ 322 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"}, 323 /*quirks*/ DA_Q_NO_SYNC_CACHE 324 }, 325 { 326 /* 327 * Doesn't work correctly with 6 byte reads/writes. 328 * Returns illegal request, and points to byte 9 of the 329 * 6-byte CDB. 330 * Reported by: Adam McDougall <bsdx@spawnet.com> 331 */ 332 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"}, 333 /*quirks*/ DA_Q_NO_6_BYTE 334 }, 335 { 336 /* See above. */ 337 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"}, 338 /*quirks*/ DA_Q_NO_6_BYTE 339 }, 340 { 341 /* 342 * Doesn't like the synchronize cache command. 343 * Reported by: walter@pelissero.de 344 */ 345 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"}, 346 /*quirks*/ DA_Q_NO_SYNC_CACHE 347 }, 348 { 349 /* 350 * The CISS RAID controllers do not support SYNC_CACHE 351 */ 352 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"}, 353 /*quirks*/ DA_Q_NO_SYNC_CACHE 354 }, 355 { 356 /* 357 * The STEC 842 sometimes hang on UNMAP. 358 */ 359 {T_DIRECT, SIP_MEDIA_FIXED, "STEC", "S842E800M2", "*"}, 360 /*quirks*/ DA_Q_NO_UNMAP 361 }, 362 /* USB mass storage devices supported by umass(4) */ 363 { 364 /* 365 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player 366 * PR: kern/51675 367 */ 368 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"}, 369 /*quirks*/ DA_Q_NO_SYNC_CACHE 370 }, 371 { 372 /* 373 * Power Quotient Int. (PQI) USB flash key 374 * PR: kern/53067 375 */ 376 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*", 377 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 378 }, 379 { 380 /* 381 * Creative Nomad MUVO mp3 player (USB) 382 * PR: kern/53094 383 */ 384 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"}, 385 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 386 }, 387 { 388 /* 389 * Jungsoft NEXDISK USB flash key 390 * PR: kern/54737 391 */ 392 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"}, 393 /*quirks*/ DA_Q_NO_SYNC_CACHE 394 }, 395 { 396 /* 397 * FreeDik USB Mini Data Drive 398 * PR: kern/54786 399 */ 400 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive", 401 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 402 }, 403 { 404 /* 405 * Sigmatel USB Flash MP3 Player 406 * PR: kern/57046 407 */ 408 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"}, 409 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 410 }, 411 { 412 /* 413 * Neuros USB Digital Audio Computer 414 * PR: kern/63645 415 */ 416 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.", 417 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 418 }, 419 { 420 /* 421 * SEAGRAND NP-900 MP3 Player 422 * PR: kern/64563 423 */ 424 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"}, 425 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 426 }, 427 { 428 /* 429 * iRiver iFP MP3 player (with UMS Firmware) 430 * PR: kern/54881, i386/63941, kern/66124 431 */ 432 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"}, 433 /*quirks*/ DA_Q_NO_SYNC_CACHE 434 }, 435 { 436 /* 437 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01 438 * PR: kern/70158 439 */ 440 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"}, 441 /*quirks*/ DA_Q_NO_SYNC_CACHE 442 }, 443 { 444 /* 445 * ZICPlay USB MP3 Player with FM 446 * PR: kern/75057 447 */ 448 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"}, 449 /*quirks*/ DA_Q_NO_SYNC_CACHE 450 }, 451 { 452 /* 453 * TEAC USB floppy mechanisms 454 */ 455 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"}, 456 /*quirks*/ DA_Q_NO_SYNC_CACHE 457 }, 458 { 459 /* 460 * Kingston DataTraveler II+ USB Pen-Drive. 461 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org> 462 */ 463 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+", 464 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 465 }, 466 { 467 /* 468 * USB DISK Pro PMAP 469 * Reported by: jhs 470 * PR: usb/96381 471 */ 472 {T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"}, 473 /*quirks*/ DA_Q_NO_SYNC_CACHE 474 }, 475 { 476 /* 477 * Motorola E398 Mobile Phone (TransFlash memory card). 478 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl> 479 * PR: usb/89889 480 */ 481 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone", 482 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 483 }, 484 { 485 /* 486 * Qware BeatZkey! Pro 487 * PR: usb/79164 488 */ 489 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE", 490 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 491 }, 492 { 493 /* 494 * Time DPA20B 1GB MP3 Player 495 * PR: usb/81846 496 */ 497 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*", 498 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 499 }, 500 { 501 /* 502 * Samsung USB key 128Mb 503 * PR: usb/90081 504 */ 505 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb", 506 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 507 }, 508 { 509 /* 510 * Kingston DataTraveler 2.0 USB Flash memory. 511 * PR: usb/89196 512 */ 513 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0", 514 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 515 }, 516 { 517 /* 518 * Creative MUVO Slim mp3 player (USB) 519 * PR: usb/86131 520 */ 521 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim", 522 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 523 }, 524 { 525 /* 526 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3) 527 * PR: usb/80487 528 */ 529 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK", 530 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 531 }, 532 { 533 /* 534 * SanDisk Micro Cruzer 128MB 535 * PR: usb/75970 536 */ 537 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer", 538 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 539 }, 540 { 541 /* 542 * TOSHIBA TransMemory USB sticks 543 * PR: kern/94660 544 */ 545 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory", 546 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 547 }, 548 { 549 /* 550 * PNY USB Flash keys 551 * PR: usb/75578, usb/72344, usb/65436 552 */ 553 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*", 554 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 555 }, 556 { 557 /* 558 * Genesys 6-in-1 Card Reader 559 * PR: usb/94647 560 */ 561 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*", 562 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 563 }, 564 { 565 /* 566 * Rekam Digital CAMERA 567 * PR: usb/98713 568 */ 569 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*", 570 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 571 }, 572 { 573 /* 574 * iRiver H10 MP3 player 575 * PR: usb/102547 576 */ 577 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*", 578 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 579 }, 580 { 581 /* 582 * iRiver U10 MP3 player 583 * PR: usb/92306 584 */ 585 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*", 586 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 587 }, 588 { 589 /* 590 * X-Micro Flash Disk 591 * PR: usb/96901 592 */ 593 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk", 594 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 595 }, 596 { 597 /* 598 * EasyMP3 EM732X USB 2.0 Flash MP3 Player 599 * PR: usb/96546 600 */ 601 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*", 602 "1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 603 }, 604 { 605 /* 606 * Denver MP3 player 607 * PR: usb/107101 608 */ 609 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER", 610 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 611 }, 612 { 613 /* 614 * Philips USB Key Audio KEY013 615 * PR: usb/68412 616 */ 617 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"}, 618 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT 619 }, 620 { 621 /* 622 * JNC MP3 Player 623 * PR: usb/94439 624 */ 625 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*", 626 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 627 }, 628 { 629 /* 630 * SAMSUNG MP0402H 631 * PR: usb/108427 632 */ 633 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"}, 634 /*quirks*/ DA_Q_NO_SYNC_CACHE 635 }, 636 { 637 /* 638 * I/O Magic USB flash - Giga Bank 639 * PR: usb/108810 640 */ 641 {T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"}, 642 /*quirks*/ DA_Q_NO_SYNC_CACHE 643 }, 644 { 645 /* 646 * JoyFly 128mb USB Flash Drive 647 * PR: 96133 648 */ 649 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*", 650 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 651 }, 652 { 653 /* 654 * ChipsBnk usb stick 655 * PR: 103702 656 */ 657 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*", 658 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 659 }, 660 { 661 /* 662 * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A 663 * PR: 129858 664 */ 665 {T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*", 666 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 667 }, 668 { 669 /* 670 * Samsung YP-U3 mp3-player 671 * PR: 125398 672 */ 673 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3", 674 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 675 }, 676 { 677 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*", 678 "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 679 }, 680 { 681 /* 682 * Sony Cyber-Shot DSC cameras 683 * PR: usb/137035 684 */ 685 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"}, 686 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT 687 }, 688 { 689 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3", 690 "1.00"}, /*quirks*/ DA_Q_NO_PREVENT 691 }, 692 { 693 /* At least several Transcent USB sticks lie on RC16. */ 694 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JetFlash", "Transcend*", 695 "*"}, /*quirks*/ DA_Q_NO_RC16 696 }, 697 /* ATA/SATA devices over SAS/USB/... */ 698 { 699 /* Hitachi Advanced Format (4k) drives */ 700 { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" }, 701 /*quirks*/DA_Q_4K 702 }, 703 { 704 /* Samsung Advanced Format (4k) drives */ 705 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" }, 706 /*quirks*/DA_Q_4K 707 }, 708 { 709 /* Samsung Advanced Format (4k) drives */ 710 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" }, 711 /*quirks*/DA_Q_4K 712 }, 713 { 714 /* Samsung Advanced Format (4k) drives */ 715 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" }, 716 /*quirks*/DA_Q_4K 717 }, 718 { 719 /* Samsung Advanced Format (4k) drives */ 720 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" }, 721 /*quirks*/DA_Q_4K 722 }, 723 { 724 /* Seagate Barracuda Green Advanced Format (4k) drives */ 725 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" }, 726 /*quirks*/DA_Q_4K 727 }, 728 { 729 /* Seagate Barracuda Green Advanced Format (4k) drives */ 730 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" }, 731 /*quirks*/DA_Q_4K 732 }, 733 { 734 /* Seagate Barracuda Green Advanced Format (4k) drives */ 735 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" }, 736 /*quirks*/DA_Q_4K 737 }, 738 { 739 /* Seagate Barracuda Green Advanced Format (4k) drives */ 740 { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" }, 741 /*quirks*/DA_Q_4K 742 }, 743 { 744 /* Seagate Barracuda Green Advanced Format (4k) drives */ 745 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" }, 746 /*quirks*/DA_Q_4K 747 }, 748 { 749 /* Seagate Barracuda Green Advanced Format (4k) drives */ 750 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" }, 751 /*quirks*/DA_Q_4K 752 }, 753 { 754 /* Seagate Momentus Advanced Format (4k) drives */ 755 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" }, 756 /*quirks*/DA_Q_4K 757 }, 758 { 759 /* Seagate Momentus Advanced Format (4k) drives */ 760 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" }, 761 /*quirks*/DA_Q_4K 762 }, 763 { 764 /* Seagate Momentus Advanced Format (4k) drives */ 765 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" }, 766 /*quirks*/DA_Q_4K 767 }, 768 { 769 /* Seagate Momentus Advanced Format (4k) drives */ 770 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" }, 771 /*quirks*/DA_Q_4K 772 }, 773 { 774 /* Seagate Momentus Advanced Format (4k) drives */ 775 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" }, 776 /*quirks*/DA_Q_4K 777 }, 778 { 779 /* Seagate Momentus Advanced Format (4k) drives */ 780 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" }, 781 /*quirks*/DA_Q_4K 782 }, 783 { 784 /* Seagate Momentus Advanced Format (4k) drives */ 785 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" }, 786 /*quirks*/DA_Q_4K 787 }, 788 { 789 /* Seagate Momentus Advanced Format (4k) drives */ 790 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" }, 791 /*quirks*/DA_Q_4K 792 }, 793 { 794 /* Seagate Momentus Advanced Format (4k) drives */ 795 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" }, 796 /*quirks*/DA_Q_4K 797 }, 798 { 799 /* Seagate Momentus Advanced Format (4k) drives */ 800 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" }, 801 /*quirks*/DA_Q_4K 802 }, 803 { 804 /* Seagate Momentus Advanced Format (4k) drives */ 805 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" }, 806 /*quirks*/DA_Q_4K 807 }, 808 { 809 /* Seagate Momentus Advanced Format (4k) drives */ 810 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" }, 811 /*quirks*/DA_Q_4K 812 }, 813 { 814 /* Seagate Momentus Advanced Format (4k) drives */ 815 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" }, 816 /*quirks*/DA_Q_4K 817 }, 818 { 819 /* Seagate Momentus Advanced Format (4k) drives */ 820 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" }, 821 /*quirks*/DA_Q_4K 822 }, 823 { 824 /* Seagate Momentus Thin Advanced Format (4k) drives */ 825 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" }, 826 /*quirks*/DA_Q_4K 827 }, 828 { 829 /* Seagate Momentus Thin Advanced Format (4k) drives */ 830 { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" }, 831 /*quirks*/DA_Q_4K 832 }, 833 { 834 /* WDC Caviar Green Advanced Format (4k) drives */ 835 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" }, 836 /*quirks*/DA_Q_4K 837 }, 838 { 839 /* WDC Caviar Green Advanced Format (4k) drives */ 840 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" }, 841 /*quirks*/DA_Q_4K 842 }, 843 { 844 /* WDC Caviar Green Advanced Format (4k) drives */ 845 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" }, 846 /*quirks*/DA_Q_4K 847 }, 848 { 849 /* WDC Caviar Green Advanced Format (4k) drives */ 850 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" }, 851 /*quirks*/DA_Q_4K 852 }, 853 { 854 /* WDC Caviar Green Advanced Format (4k) drives */ 855 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" }, 856 /*quirks*/DA_Q_4K 857 }, 858 { 859 /* WDC Caviar Green Advanced Format (4k) drives */ 860 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" }, 861 /*quirks*/DA_Q_4K 862 }, 863 { 864 /* WDC Caviar Green Advanced Format (4k) drives */ 865 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" }, 866 /*quirks*/DA_Q_4K 867 }, 868 { 869 /* WDC Caviar Green Advanced Format (4k) drives */ 870 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" }, 871 /*quirks*/DA_Q_4K 872 }, 873 { 874 /* WDC Scorpio Black Advanced Format (4k) drives */ 875 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" }, 876 /*quirks*/DA_Q_4K 877 }, 878 { 879 /* WDC Scorpio Black Advanced Format (4k) drives */ 880 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" }, 881 /*quirks*/DA_Q_4K 882 }, 883 { 884 /* WDC Scorpio Black Advanced Format (4k) drives */ 885 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" }, 886 /*quirks*/DA_Q_4K 887 }, 888 { 889 /* WDC Scorpio Black Advanced Format (4k) drives */ 890 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" }, 891 /*quirks*/DA_Q_4K 892 }, 893 { 894 /* WDC Scorpio Blue Advanced Format (4k) drives */ 895 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" }, 896 /*quirks*/DA_Q_4K 897 }, 898 { 899 /* WDC Scorpio Blue Advanced Format (4k) drives */ 900 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" }, 901 /*quirks*/DA_Q_4K 902 }, 903 { 904 /* WDC Scorpio Blue Advanced Format (4k) drives */ 905 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" }, 906 /*quirks*/DA_Q_4K 907 }, 908 { 909 /* WDC Scorpio Blue Advanced Format (4k) drives */ 910 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" }, 911 /*quirks*/DA_Q_4K 912 }, 913 { 914 /* 915 * Olympus FE-210 camera 916 */ 917 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*", 918 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 919 }, 920 { 921 /* 922 * LG UP3S MP3 player 923 */ 924 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S", 925 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 926 }, 927 { 928 /* 929 * Laser MP3-2GA13 MP3 player 930 */ 931 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk", 932 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 933 }, 934 { 935 /* 936 * LaCie external 250GB Hard drive des by Porsche 937 * Submitted by: Ben Stuyts <ben@altesco.nl> 938 * PR: 121474 939 */ 940 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"}, 941 /*quirks*/ DA_Q_NO_SYNC_CACHE 942 }, 943 /* SATA SSDs */ 944 { 945 /* 946 * Corsair Force 2 SSDs 947 * 4k optimised & trim only works in 4k requests + 4k aligned 948 */ 949 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair CSSD-F*", "*" }, 950 /*quirks*/DA_Q_4K 951 }, 952 { 953 /* 954 * Corsair Force 3 SSDs 955 * 4k optimised & trim only works in 4k requests + 4k aligned 956 */ 957 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force 3*", "*" }, 958 /*quirks*/DA_Q_4K 959 }, 960 { 961 /* 962 * Corsair Neutron GTX SSDs 963 * 4k optimised & trim only works in 4k requests + 4k aligned 964 */ 965 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" }, 966 /*quirks*/DA_Q_4K 967 }, 968 { 969 /* 970 * Corsair Force GT SSDs 971 * 4k optimised & trim only works in 4k requests + 4k aligned 972 */ 973 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force GT*", "*" }, 974 /*quirks*/DA_Q_4K 975 }, 976 { 977 /* 978 * Crucial M4 SSDs 979 * 4k optimised & trim only works in 4k requests + 4k aligned 980 */ 981 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "M4-CT???M4SSD2*", "*" }, 982 /*quirks*/DA_Q_4K 983 }, 984 { 985 /* 986 * Crucial RealSSD C300 SSDs 987 * 4k optimised 988 */ 989 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "C300-CTFDDAC???MAG*", 990 "*" }, /*quirks*/DA_Q_4K 991 }, 992 { 993 /* 994 * Intel 320 Series SSDs 995 * 4k optimised & trim only works in 4k requests + 4k aligned 996 */ 997 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2CW*", "*" }, 998 /*quirks*/DA_Q_4K 999 }, 1000 { 1001 /* 1002 * Intel 330 Series SSDs 1003 * 4k optimised & trim only works in 4k requests + 4k aligned 1004 */ 1005 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2CT*", "*" }, 1006 /*quirks*/DA_Q_4K 1007 }, 1008 { 1009 /* 1010 * Intel 510 Series SSDs 1011 * 4k optimised & trim only works in 4k requests + 4k aligned 1012 */ 1013 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2MH*", "*" }, 1014 /*quirks*/DA_Q_4K 1015 }, 1016 { 1017 /* 1018 * Intel 520 Series SSDs 1019 * 4k optimised & trim only works in 4k requests + 4k aligned 1020 */ 1021 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BW*", "*" }, 1022 /*quirks*/DA_Q_4K 1023 }, 1024 { 1025 /* 1026 * Intel X25-M Series SSDs 1027 * 4k optimised & trim only works in 4k requests + 4k aligned 1028 */ 1029 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2M*", "*" }, 1030 /*quirks*/DA_Q_4K 1031 }, 1032 { 1033 /* 1034 * Kingston E100 Series SSDs 1035 * 4k optimised & trim only works in 4k requests + 4k aligned 1036 */ 1037 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SE100S3*", "*" }, 1038 /*quirks*/DA_Q_4K 1039 }, 1040 { 1041 /* 1042 * Kingston HyperX 3k SSDs 1043 * 4k optimised & trim only works in 4k requests + 4k aligned 1044 */ 1045 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SH103S3*", "*" }, 1046 /*quirks*/DA_Q_4K 1047 }, 1048 { 1049 /* 1050 * Marvell SSDs (entry taken from OpenSolaris) 1051 * 4k optimised & trim only works in 4k requests + 4k aligned 1052 */ 1053 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MARVELL SD88SA02*", "*" }, 1054 /*quirks*/DA_Q_4K 1055 }, 1056 { 1057 /* 1058 * OCZ Agility 2 SSDs 1059 * 4k optimised & trim only works in 4k requests + 4k aligned 1060 */ 1061 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" }, 1062 /*quirks*/DA_Q_4K 1063 }, 1064 { 1065 /* 1066 * OCZ Agility 3 SSDs 1067 * 4k optimised & trim only works in 4k requests + 4k aligned 1068 */ 1069 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-AGILITY3*", "*" }, 1070 /*quirks*/DA_Q_4K 1071 }, 1072 { 1073 /* 1074 * OCZ Deneva R Series SSDs 1075 * 4k optimised & trim only works in 4k requests + 4k aligned 1076 */ 1077 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "DENRSTE251M45*", "*" }, 1078 /*quirks*/DA_Q_4K 1079 }, 1080 { 1081 /* 1082 * OCZ Vertex 2 SSDs (inc pro series) 1083 * 4k optimised & trim only works in 4k requests + 4k aligned 1084 */ 1085 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ?VERTEX2*", "*" }, 1086 /*quirks*/DA_Q_4K 1087 }, 1088 { 1089 /* 1090 * OCZ Vertex 3 SSDs 1091 * 4k optimised & trim only works in 4k requests + 4k aligned 1092 */ 1093 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX3*", "*" }, 1094 /*quirks*/DA_Q_4K 1095 }, 1096 { 1097 /* 1098 * OCZ Vertex 4 SSDs 1099 * 4k optimised & trim only works in 4k requests + 4k aligned 1100 */ 1101 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX4*", "*" }, 1102 /*quirks*/DA_Q_4K 1103 }, 1104 { 1105 /* 1106 * Samsung 830 Series SSDs 1107 * 4k optimised & trim only works in 4k requests + 4k aligned 1108 */ 1109 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG SSD 830 Series*", "*" }, 1110 /*quirks*/DA_Q_4K 1111 }, 1112 { 1113 /* 1114 * SuperTalent TeraDrive CT SSDs 1115 * 4k optimised & trim only works in 4k requests + 4k aligned 1116 */ 1117 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" }, 1118 /*quirks*/DA_Q_4K 1119 }, 1120 { 1121 /* 1122 * XceedIOPS SATA SSDs 1123 * 4k optimised 1124 */ 1125 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" }, 1126 /*quirks*/DA_Q_4K 1127 }, 1128 }; 1129 1130 static disk_strategy_t dastrategy; 1131 static dumper_t dadump; 1132 static periph_init_t dainit; 1133 static void daasync(void *callback_arg, u_int32_t code, 1134 struct cam_path *path, void *arg); 1135 static void dasysctlinit(void *context, int pending); 1136 static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS); 1137 static int dadeletemethodsysctl(SYSCTL_HANDLER_ARGS); 1138 static int dadeletemaxsysctl(SYSCTL_HANDLER_ARGS); 1139 static void dadeletemethodset(struct da_softc *softc, 1140 da_delete_methods delete_method); 1141 static off_t dadeletemaxsize(struct da_softc *softc, 1142 da_delete_methods delete_method); 1143 static void dadeletemethodchoose(struct da_softc *softc, 1144 da_delete_methods default_method); 1145 static void daprobedone(struct cam_periph *periph, union ccb *ccb); 1146 1147 static periph_ctor_t daregister; 1148 static periph_dtor_t dacleanup; 1149 static periph_start_t dastart; 1150 static periph_oninv_t daoninvalidate; 1151 static void dadone(struct cam_periph *periph, 1152 union ccb *done_ccb); 1153 static int daerror(union ccb *ccb, u_int32_t cam_flags, 1154 u_int32_t sense_flags); 1155 static void daprevent(struct cam_periph *periph, int action); 1156 static void dareprobe(struct cam_periph *periph); 1157 static void dasetgeom(struct cam_periph *periph, uint32_t block_len, 1158 uint64_t maxsector, 1159 struct scsi_read_capacity_data_long *rcaplong, 1160 size_t rcap_size); 1161 static timeout_t dasendorderedtag; 1162 static void dashutdown(void *arg, int howto); 1163 static timeout_t damediapoll; 1164 1165 #ifndef DA_DEFAULT_POLL_PERIOD 1166 #define DA_DEFAULT_POLL_PERIOD 3 1167 #endif 1168 1169 #ifndef DA_DEFAULT_TIMEOUT 1170 #define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */ 1171 #endif 1172 1173 #ifndef DA_DEFAULT_RETRY 1174 #define DA_DEFAULT_RETRY 4 1175 #endif 1176 1177 #ifndef DA_DEFAULT_SEND_ORDERED 1178 #define DA_DEFAULT_SEND_ORDERED 1 1179 #endif 1180 1181 #define DA_SIO (softc->sort_io_queue >= 0 ? \ 1182 softc->sort_io_queue : cam_sort_io_queues) 1183 1184 static int da_poll_period = DA_DEFAULT_POLL_PERIOD; 1185 static int da_retry_count = DA_DEFAULT_RETRY; 1186 static int da_default_timeout = DA_DEFAULT_TIMEOUT; 1187 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED; 1188 1189 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0, 1190 "CAM Direct Access Disk driver"); 1191 SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RWTUN, 1192 &da_poll_period, 0, "Media polling period in seconds"); 1193 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RWTUN, 1194 &da_retry_count, 0, "Normal I/O retry count"); 1195 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RWTUN, 1196 &da_default_timeout, 0, "Normal I/O timeout (in seconds)"); 1197 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RWTUN, 1198 &da_send_ordered, 0, "Send Ordered Tags"); 1199 1200 /* 1201 * DA_ORDEREDTAG_INTERVAL determines how often, relative 1202 * to the default timeout, we check to see whether an ordered 1203 * tagged transaction is appropriate to prevent simple tag 1204 * starvation. Since we'd like to ensure that there is at least 1205 * 1/2 of the timeout length left for a starved transaction to 1206 * complete after we've sent an ordered tag, we must poll at least 1207 * four times in every timeout period. This takes care of the worst 1208 * case where a starved transaction starts during an interval that 1209 * meets the requirement "don't send an ordered tag" test so it takes 1210 * us two intervals to determine that a tag must be sent. 1211 */ 1212 #ifndef DA_ORDEREDTAG_INTERVAL 1213 #define DA_ORDEREDTAG_INTERVAL 4 1214 #endif 1215 1216 static struct periph_driver dadriver = 1217 { 1218 dainit, "da", 1219 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0 1220 }; 1221 1222 PERIPHDRIVER_DECLARE(da, dadriver); 1223 1224 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers"); 1225 1226 static int 1227 daopen(struct disk *dp) 1228 { 1229 struct cam_periph *periph; 1230 struct da_softc *softc; 1231 int error; 1232 1233 periph = (struct cam_periph *)dp->d_drv1; 1234 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1235 return (ENXIO); 1236 } 1237 1238 cam_periph_lock(periph); 1239 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 1240 cam_periph_unlock(periph); 1241 cam_periph_release(periph); 1242 return (error); 1243 } 1244 1245 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 1246 ("daopen\n")); 1247 1248 softc = (struct da_softc *)periph->softc; 1249 dareprobe(periph); 1250 1251 /* Wait for the disk size update. */ 1252 error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO, 1253 "dareprobe", 0); 1254 if (error != 0) 1255 xpt_print(periph->path, "unable to retrieve capacity data\n"); 1256 1257 if (periph->flags & CAM_PERIPH_INVALID) 1258 error = ENXIO; 1259 1260 if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 1261 (softc->quirks & DA_Q_NO_PREVENT) == 0) 1262 daprevent(periph, PR_PREVENT); 1263 1264 if (error == 0) { 1265 softc->flags &= ~DA_FLAG_PACK_INVALID; 1266 softc->flags |= DA_FLAG_OPEN; 1267 } 1268 1269 cam_periph_unhold(periph); 1270 cam_periph_unlock(periph); 1271 1272 if (error != 0) 1273 cam_periph_release(periph); 1274 1275 return (error); 1276 } 1277 1278 static int 1279 daclose(struct disk *dp) 1280 { 1281 struct cam_periph *periph; 1282 struct da_softc *softc; 1283 union ccb *ccb; 1284 int error; 1285 1286 periph = (struct cam_periph *)dp->d_drv1; 1287 softc = (struct da_softc *)periph->softc; 1288 cam_periph_lock(periph); 1289 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 1290 ("daclose\n")); 1291 1292 if (cam_periph_hold(periph, PRIBIO) == 0) { 1293 1294 /* Flush disk cache. */ 1295 if ((softc->flags & DA_FLAG_DIRTY) != 0 && 1296 (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 && 1297 (softc->flags & DA_FLAG_PACK_INVALID) == 0) { 1298 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1299 scsi_synchronize_cache(&ccb->csio, /*retries*/1, 1300 /*cbfcnp*/dadone, MSG_SIMPLE_Q_TAG, 1301 /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE, 1302 5 * 60 * 1000); 1303 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0, 1304 /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR, 1305 softc->disk->d_devstat); 1306 if (error == 0) 1307 softc->flags &= ~DA_FLAG_DIRTY; 1308 xpt_release_ccb(ccb); 1309 } 1310 1311 /* Allow medium removal. */ 1312 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 1313 (softc->quirks & DA_Q_NO_PREVENT) == 0) 1314 daprevent(periph, PR_ALLOW); 1315 1316 cam_periph_unhold(periph); 1317 } 1318 1319 /* 1320 * If we've got removeable media, mark the blocksize as 1321 * unavailable, since it could change when new media is 1322 * inserted. 1323 */ 1324 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) 1325 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1326 1327 softc->flags &= ~DA_FLAG_OPEN; 1328 while (softc->refcount != 0) 1329 cam_periph_sleep(periph, &softc->refcount, PRIBIO, "daclose", 1); 1330 cam_periph_unlock(periph); 1331 cam_periph_release(periph); 1332 return (0); 1333 } 1334 1335 static void 1336 daschedule(struct cam_periph *periph) 1337 { 1338 struct da_softc *softc = (struct da_softc *)periph->softc; 1339 1340 if (softc->state != DA_STATE_NORMAL) 1341 return; 1342 1343 /* Check if we have more work to do. */ 1344 if (bioq_first(&softc->bio_queue) || 1345 (!softc->delete_running && bioq_first(&softc->delete_queue)) || 1346 softc->tur) { 1347 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1348 } 1349 } 1350 1351 /* 1352 * Actually translate the requested transfer into one the physical driver 1353 * can understand. The transfer is described by a buf and will include 1354 * only one physical transfer. 1355 */ 1356 static void 1357 dastrategy(struct bio *bp) 1358 { 1359 struct cam_periph *periph; 1360 struct da_softc *softc; 1361 1362 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1363 softc = (struct da_softc *)periph->softc; 1364 1365 cam_periph_lock(periph); 1366 1367 /* 1368 * If the device has been made invalid, error out 1369 */ 1370 if ((softc->flags & DA_FLAG_PACK_INVALID)) { 1371 cam_periph_unlock(periph); 1372 biofinish(bp, NULL, ENXIO); 1373 return; 1374 } 1375 1376 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp)); 1377 1378 /* 1379 * Place it in the queue of disk activities for this disk 1380 */ 1381 if (bp->bio_cmd == BIO_DELETE) { 1382 bioq_disksort(&softc->delete_queue, bp); 1383 } else if (DA_SIO) { 1384 bioq_disksort(&softc->bio_queue, bp); 1385 } else { 1386 bioq_insert_tail(&softc->bio_queue, bp); 1387 } 1388 1389 /* 1390 * Schedule ourselves for performing the work. 1391 */ 1392 daschedule(periph); 1393 cam_periph_unlock(periph); 1394 1395 return; 1396 } 1397 1398 static int 1399 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 1400 { 1401 struct cam_periph *periph; 1402 struct da_softc *softc; 1403 u_int secsize; 1404 struct ccb_scsiio csio; 1405 struct disk *dp; 1406 int error = 0; 1407 1408 dp = arg; 1409 periph = dp->d_drv1; 1410 softc = (struct da_softc *)periph->softc; 1411 cam_periph_lock(periph); 1412 secsize = softc->params.secsize; 1413 1414 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 1415 cam_periph_unlock(periph); 1416 return (ENXIO); 1417 } 1418 1419 if (length > 0) { 1420 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1421 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1422 scsi_read_write(&csio, 1423 /*retries*/0, 1424 dadone, 1425 MSG_ORDERED_Q_TAG, 1426 /*read*/SCSI_RW_WRITE, 1427 /*byte2*/0, 1428 /*minimum_cmd_size*/ softc->minimum_cmd_size, 1429 offset / secsize, 1430 length / secsize, 1431 /*data_ptr*/(u_int8_t *) virtual, 1432 /*dxfer_len*/length, 1433 /*sense_len*/SSD_FULL_SIZE, 1434 da_default_timeout * 1000); 1435 xpt_polled_action((union ccb *)&csio); 1436 1437 error = cam_periph_error((union ccb *)&csio, 1438 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1439 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0) 1440 cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0, 1441 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 1442 if (error != 0) 1443 printf("Aborting dump due to I/O error.\n"); 1444 cam_periph_unlock(periph); 1445 return (error); 1446 } 1447 1448 /* 1449 * Sync the disk cache contents to the physical media. 1450 */ 1451 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 1452 1453 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1454 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1455 scsi_synchronize_cache(&csio, 1456 /*retries*/0, 1457 /*cbfcnp*/dadone, 1458 MSG_SIMPLE_Q_TAG, 1459 /*begin_lba*/0,/* Cover the whole disk */ 1460 /*lb_count*/0, 1461 SSD_FULL_SIZE, 1462 5 * 60 * 1000); 1463 xpt_polled_action((union ccb *)&csio); 1464 1465 error = cam_periph_error((union ccb *)&csio, 1466 0, SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, NULL); 1467 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0) 1468 cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0, 1469 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 1470 if (error != 0) 1471 xpt_print(periph->path, "Synchronize cache failed\n"); 1472 } 1473 cam_periph_unlock(periph); 1474 return (error); 1475 } 1476 1477 static int 1478 dagetattr(struct bio *bp) 1479 { 1480 int ret; 1481 struct cam_periph *periph; 1482 1483 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1484 cam_periph_lock(periph); 1485 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1486 periph->path); 1487 cam_periph_unlock(periph); 1488 if (ret == 0) 1489 bp->bio_completed = bp->bio_length; 1490 return ret; 1491 } 1492 1493 static void 1494 dainit(void) 1495 { 1496 cam_status status; 1497 1498 /* 1499 * Install a global async callback. This callback will 1500 * receive async callbacks like "new device found". 1501 */ 1502 status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL); 1503 1504 if (status != CAM_REQ_CMP) { 1505 printf("da: Failed to attach master async callback " 1506 "due to status 0x%x!\n", status); 1507 } else if (da_send_ordered) { 1508 1509 /* Register our shutdown event handler */ 1510 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown, 1511 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 1512 printf("dainit: shutdown event registration failed!\n"); 1513 } 1514 } 1515 1516 /* 1517 * Callback from GEOM, called when it has finished cleaning up its 1518 * resources. 1519 */ 1520 static void 1521 dadiskgonecb(struct disk *dp) 1522 { 1523 struct cam_periph *periph; 1524 1525 periph = (struct cam_periph *)dp->d_drv1; 1526 cam_periph_release(periph); 1527 } 1528 1529 static void 1530 daoninvalidate(struct cam_periph *periph) 1531 { 1532 struct da_softc *softc; 1533 1534 softc = (struct da_softc *)periph->softc; 1535 1536 /* 1537 * De-register any async callbacks. 1538 */ 1539 xpt_register_async(0, daasync, periph, periph->path); 1540 1541 softc->flags |= DA_FLAG_PACK_INVALID; 1542 1543 /* 1544 * Return all queued I/O with ENXIO. 1545 * XXX Handle any transactions queued to the card 1546 * with XPT_ABORT_CCB. 1547 */ 1548 bioq_flush(&softc->bio_queue, NULL, ENXIO); 1549 bioq_flush(&softc->delete_queue, NULL, ENXIO); 1550 1551 /* 1552 * Tell GEOM that we've gone away, we'll get a callback when it is 1553 * done cleaning up its resources. 1554 */ 1555 disk_gone(softc->disk); 1556 } 1557 1558 static void 1559 dacleanup(struct cam_periph *periph) 1560 { 1561 struct da_softc *softc; 1562 1563 softc = (struct da_softc *)periph->softc; 1564 1565 cam_periph_unlock(periph); 1566 1567 /* 1568 * If we can't free the sysctl tree, oh well... 1569 */ 1570 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0 1571 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 1572 xpt_print(periph->path, "can't remove sysctl context\n"); 1573 } 1574 1575 callout_drain(&softc->mediapoll_c); 1576 disk_destroy(softc->disk); 1577 callout_drain(&softc->sendordered_c); 1578 free(softc, M_DEVBUF); 1579 cam_periph_lock(periph); 1580 } 1581 1582 static void 1583 daasync(void *callback_arg, u_int32_t code, 1584 struct cam_path *path, void *arg) 1585 { 1586 struct cam_periph *periph; 1587 struct da_softc *softc; 1588 1589 periph = (struct cam_periph *)callback_arg; 1590 switch (code) { 1591 case AC_FOUND_DEVICE: 1592 { 1593 struct ccb_getdev *cgd; 1594 cam_status status; 1595 1596 cgd = (struct ccb_getdev *)arg; 1597 if (cgd == NULL) 1598 break; 1599 1600 if (cgd->protocol != PROTO_SCSI) 1601 break; 1602 1603 if (SID_TYPE(&cgd->inq_data) != T_DIRECT 1604 && SID_TYPE(&cgd->inq_data) != T_RBC 1605 && SID_TYPE(&cgd->inq_data) != T_OPTICAL) 1606 break; 1607 1608 /* 1609 * Allocate a peripheral instance for 1610 * this device and start the probe 1611 * process. 1612 */ 1613 status = cam_periph_alloc(daregister, daoninvalidate, 1614 dacleanup, dastart, 1615 "da", CAM_PERIPH_BIO, 1616 path, daasync, 1617 AC_FOUND_DEVICE, cgd); 1618 1619 if (status != CAM_REQ_CMP 1620 && status != CAM_REQ_INPROG) 1621 printf("daasync: Unable to attach to new device " 1622 "due to status 0x%x\n", status); 1623 return; 1624 } 1625 case AC_ADVINFO_CHANGED: 1626 { 1627 uintptr_t buftype; 1628 1629 buftype = (uintptr_t)arg; 1630 if (buftype == CDAI_TYPE_PHYS_PATH) { 1631 struct da_softc *softc; 1632 1633 softc = periph->softc; 1634 disk_attr_changed(softc->disk, "GEOM::physpath", 1635 M_NOWAIT); 1636 } 1637 break; 1638 } 1639 case AC_UNIT_ATTENTION: 1640 { 1641 union ccb *ccb; 1642 int error_code, sense_key, asc, ascq; 1643 1644 softc = (struct da_softc *)periph->softc; 1645 ccb = (union ccb *)arg; 1646 1647 /* 1648 * Handle all UNIT ATTENTIONs except our own, 1649 * as they will be handled by daerror(). 1650 */ 1651 if (xpt_path_periph(ccb->ccb_h.path) != periph && 1652 scsi_extract_sense_ccb(ccb, 1653 &error_code, &sense_key, &asc, &ascq)) { 1654 if (asc == 0x2A && ascq == 0x09) { 1655 xpt_print(ccb->ccb_h.path, 1656 "Capacity data has changed\n"); 1657 softc->flags &= ~DA_FLAG_PROBED; 1658 dareprobe(periph); 1659 } else if (asc == 0x28 && ascq == 0x00) { 1660 softc->flags &= ~DA_FLAG_PROBED; 1661 disk_media_changed(softc->disk, M_NOWAIT); 1662 } else if (asc == 0x3F && ascq == 0x03) { 1663 xpt_print(ccb->ccb_h.path, 1664 "INQUIRY data has changed\n"); 1665 softc->flags &= ~DA_FLAG_PROBED; 1666 dareprobe(periph); 1667 } 1668 } 1669 cam_periph_async(periph, code, path, arg); 1670 break; 1671 } 1672 case AC_SCSI_AEN: 1673 softc = (struct da_softc *)periph->softc; 1674 if (!softc->tur) { 1675 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 1676 softc->tur = 1; 1677 daschedule(periph); 1678 } 1679 } 1680 /* FALLTHROUGH */ 1681 case AC_SENT_BDR: 1682 case AC_BUS_RESET: 1683 { 1684 struct ccb_hdr *ccbh; 1685 1686 softc = (struct da_softc *)periph->softc; 1687 /* 1688 * Don't fail on the expected unit attention 1689 * that will occur. 1690 */ 1691 softc->flags |= DA_FLAG_RETRY_UA; 1692 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 1693 ccbh->ccb_state |= DA_CCB_RETRY_UA; 1694 break; 1695 } 1696 default: 1697 break; 1698 } 1699 cam_periph_async(periph, code, path, arg); 1700 } 1701 1702 static void 1703 dasysctlinit(void *context, int pending) 1704 { 1705 struct cam_periph *periph; 1706 struct da_softc *softc; 1707 char tmpstr[80], tmpstr2[80]; 1708 struct ccb_trans_settings cts; 1709 1710 periph = (struct cam_periph *)context; 1711 /* 1712 * periph was held for us when this task was enqueued 1713 */ 1714 if (periph->flags & CAM_PERIPH_INVALID) { 1715 cam_periph_release(periph); 1716 return; 1717 } 1718 1719 softc = (struct da_softc *)periph->softc; 1720 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number); 1721 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1722 1723 sysctl_ctx_init(&softc->sysctl_ctx); 1724 softc->flags |= DA_FLAG_SCTX_INIT; 1725 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1726 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2, 1727 CTLFLAG_RD, 0, tmpstr); 1728 if (softc->sysctl_tree == NULL) { 1729 printf("dasysctlinit: unable to allocate sysctl tree\n"); 1730 cam_periph_release(periph); 1731 return; 1732 } 1733 1734 /* 1735 * Now register the sysctl handler, so the user can change the value on 1736 * the fly. 1737 */ 1738 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1739 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RW, 1740 softc, 0, dadeletemethodsysctl, "A", 1741 "BIO_DELETE execution method"); 1742 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1743 OID_AUTO, "delete_max", CTLTYPE_U64 | CTLFLAG_RW, 1744 softc, 0, dadeletemaxsysctl, "Q", 1745 "Maximum BIO_DELETE size"); 1746 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1747 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 1748 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I", 1749 "Minimum CDB size"); 1750 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1751 OID_AUTO, "sort_io_queue", CTLFLAG_RW, &softc->sort_io_queue, 0, 1752 "Sort IO queue to try and optimise disk access patterns"); 1753 1754 SYSCTL_ADD_INT(&softc->sysctl_ctx, 1755 SYSCTL_CHILDREN(softc->sysctl_tree), 1756 OID_AUTO, 1757 "error_inject", 1758 CTLFLAG_RW, 1759 &softc->error_inject, 1760 0, 1761 "error_inject leaf"); 1762 1763 1764 /* 1765 * Add some addressing info. 1766 */ 1767 memset(&cts, 0, sizeof (cts)); 1768 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 1769 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1770 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1771 cam_periph_lock(periph); 1772 xpt_action((union ccb *)&cts); 1773 cam_periph_unlock(periph); 1774 if (cts.ccb_h.status != CAM_REQ_CMP) { 1775 cam_periph_release(periph); 1776 return; 1777 } 1778 if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) { 1779 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc; 1780 if (fc->valid & CTS_FC_VALID_WWPN) { 1781 softc->wwpn = fc->wwpn; 1782 SYSCTL_ADD_UQUAD(&softc->sysctl_ctx, 1783 SYSCTL_CHILDREN(softc->sysctl_tree), 1784 OID_AUTO, "wwpn", CTLFLAG_RD, 1785 &softc->wwpn, "World Wide Port Name"); 1786 } 1787 } 1788 cam_periph_release(periph); 1789 } 1790 1791 static int 1792 dadeletemaxsysctl(SYSCTL_HANDLER_ARGS) 1793 { 1794 int error; 1795 uint64_t value; 1796 struct da_softc *softc; 1797 1798 softc = (struct da_softc *)arg1; 1799 1800 value = softc->disk->d_delmaxsize; 1801 error = sysctl_handle_64(oidp, &value, 0, req); 1802 if ((error != 0) || (req->newptr == NULL)) 1803 return (error); 1804 1805 /* only accept values smaller than the calculated value */ 1806 if (value > dadeletemaxsize(softc, softc->delete_method)) { 1807 return (EINVAL); 1808 } 1809 softc->disk->d_delmaxsize = value; 1810 1811 return (0); 1812 } 1813 1814 static int 1815 dacmdsizesysctl(SYSCTL_HANDLER_ARGS) 1816 { 1817 int error, value; 1818 1819 value = *(int *)arg1; 1820 1821 error = sysctl_handle_int(oidp, &value, 0, req); 1822 1823 if ((error != 0) 1824 || (req->newptr == NULL)) 1825 return (error); 1826 1827 /* 1828 * Acceptable values here are 6, 10, 12 or 16. 1829 */ 1830 if (value < 6) 1831 value = 6; 1832 else if ((value > 6) 1833 && (value <= 10)) 1834 value = 10; 1835 else if ((value > 10) 1836 && (value <= 12)) 1837 value = 12; 1838 else if (value > 12) 1839 value = 16; 1840 1841 *(int *)arg1 = value; 1842 1843 return (0); 1844 } 1845 1846 static void 1847 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method) 1848 { 1849 1850 1851 softc->delete_method = delete_method; 1852 softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method); 1853 softc->delete_func = da_delete_functions[delete_method]; 1854 1855 if (softc->delete_method > DA_DELETE_DISABLE) 1856 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1857 else 1858 softc->disk->d_flags &= ~DISKFLAG_CANDELETE; 1859 } 1860 1861 static off_t 1862 dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method) 1863 { 1864 off_t sectors; 1865 1866 switch(delete_method) { 1867 case DA_DELETE_UNMAP: 1868 sectors = (off_t)softc->unmap_max_lba; 1869 break; 1870 case DA_DELETE_ATA_TRIM: 1871 sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges; 1872 break; 1873 case DA_DELETE_WS16: 1874 sectors = (off_t)min(softc->ws_max_blks, WS16_MAX_BLKS); 1875 break; 1876 case DA_DELETE_ZERO: 1877 case DA_DELETE_WS10: 1878 sectors = (off_t)min(softc->ws_max_blks, WS10_MAX_BLKS); 1879 break; 1880 default: 1881 return 0; 1882 } 1883 1884 return (off_t)softc->params.secsize * 1885 min(sectors, (off_t)softc->params.sectors); 1886 } 1887 1888 static void 1889 daprobedone(struct cam_periph *periph, union ccb *ccb) 1890 { 1891 struct da_softc *softc; 1892 1893 softc = (struct da_softc *)periph->softc; 1894 1895 dadeletemethodchoose(softc, DA_DELETE_NONE); 1896 1897 if (bootverbose && (softc->flags & DA_FLAG_ANNOUNCED) == 0) { 1898 char buf[80]; 1899 int i, sep; 1900 1901 snprintf(buf, sizeof(buf), "Delete methods: <"); 1902 sep = 0; 1903 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) { 1904 if (softc->delete_available & (1 << i)) { 1905 if (sep) { 1906 strlcat(buf, ",", sizeof(buf)); 1907 } else { 1908 sep = 1; 1909 } 1910 strlcat(buf, da_delete_method_names[i], 1911 sizeof(buf)); 1912 if (i == softc->delete_method) { 1913 strlcat(buf, "(*)", sizeof(buf)); 1914 } 1915 } 1916 } 1917 if (sep == 0) { 1918 if (softc->delete_method == DA_DELETE_NONE) 1919 strlcat(buf, "NONE(*)", sizeof(buf)); 1920 else 1921 strlcat(buf, "DISABLED(*)", sizeof(buf)); 1922 } 1923 strlcat(buf, ">", sizeof(buf)); 1924 printf("%s%d: %s\n", periph->periph_name, 1925 periph->unit_number, buf); 1926 } 1927 1928 /* 1929 * Since our peripheral may be invalidated by an error 1930 * above or an external event, we must release our CCB 1931 * before releasing the probe lock on the peripheral. 1932 * The peripheral will only go away once the last lock 1933 * is removed, and we need it around for the CCB release 1934 * operation. 1935 */ 1936 xpt_release_ccb(ccb); 1937 softc->state = DA_STATE_NORMAL; 1938 softc->flags |= DA_FLAG_PROBED; 1939 daschedule(periph); 1940 wakeup(&softc->disk->d_mediasize); 1941 if ((softc->flags & DA_FLAG_ANNOUNCED) == 0) { 1942 softc->flags |= DA_FLAG_ANNOUNCED; 1943 cam_periph_unhold(periph); 1944 } else 1945 cam_periph_release_locked(periph); 1946 } 1947 1948 static void 1949 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method) 1950 { 1951 int i, delete_method; 1952 1953 delete_method = default_method; 1954 1955 /* 1956 * Use the pre-defined order to choose the best 1957 * performing delete. 1958 */ 1959 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) { 1960 if (softc->delete_available & (1 << i)) { 1961 dadeletemethodset(softc, i); 1962 return; 1963 } 1964 } 1965 dadeletemethodset(softc, delete_method); 1966 } 1967 1968 static int 1969 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS) 1970 { 1971 char buf[16]; 1972 const char *p; 1973 struct da_softc *softc; 1974 int i, error, methods, value; 1975 1976 softc = (struct da_softc *)arg1; 1977 1978 value = softc->delete_method; 1979 if (value < 0 || value > DA_DELETE_MAX) 1980 p = "UNKNOWN"; 1981 else 1982 p = da_delete_method_names[value]; 1983 strncpy(buf, p, sizeof(buf)); 1984 error = sysctl_handle_string(oidp, buf, sizeof(buf), req); 1985 if (error != 0 || req->newptr == NULL) 1986 return (error); 1987 methods = softc->delete_available | (1 << DA_DELETE_DISABLE); 1988 for (i = 0; i <= DA_DELETE_MAX; i++) { 1989 if (!(methods & (1 << i)) || 1990 strcmp(buf, da_delete_method_names[i]) != 0) 1991 continue; 1992 dadeletemethodset(softc, i); 1993 return (0); 1994 } 1995 return (EINVAL); 1996 } 1997 1998 static cam_status 1999 daregister(struct cam_periph *periph, void *arg) 2000 { 2001 struct da_softc *softc; 2002 struct ccb_pathinq cpi; 2003 struct ccb_getdev *cgd; 2004 char tmpstr[80]; 2005 caddr_t match; 2006 2007 cgd = (struct ccb_getdev *)arg; 2008 if (cgd == NULL) { 2009 printf("daregister: no getdev CCB, can't register device\n"); 2010 return(CAM_REQ_CMP_ERR); 2011 } 2012 2013 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF, 2014 M_NOWAIT|M_ZERO); 2015 2016 if (softc == NULL) { 2017 printf("daregister: Unable to probe new device. " 2018 "Unable to allocate softc\n"); 2019 return(CAM_REQ_CMP_ERR); 2020 } 2021 2022 LIST_INIT(&softc->pending_ccbs); 2023 softc->state = DA_STATE_PROBE_RC; 2024 bioq_init(&softc->bio_queue); 2025 bioq_init(&softc->delete_queue); 2026 bioq_init(&softc->delete_run_queue); 2027 if (SID_IS_REMOVABLE(&cgd->inq_data)) 2028 softc->flags |= DA_FLAG_PACK_REMOVABLE; 2029 softc->unmap_max_ranges = UNMAP_MAX_RANGES; 2030 softc->unmap_max_lba = UNMAP_RANGE_MAX; 2031 softc->ws_max_blks = WS16_MAX_BLKS; 2032 softc->trim_max_ranges = ATA_TRIM_MAX_RANGES; 2033 softc->sort_io_queue = -1; 2034 2035 periph->softc = softc; 2036 2037 /* 2038 * See if this device has any quirks. 2039 */ 2040 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 2041 (caddr_t)da_quirk_table, 2042 sizeof(da_quirk_table)/sizeof(*da_quirk_table), 2043 sizeof(*da_quirk_table), scsi_inquiry_match); 2044 2045 if (match != NULL) 2046 softc->quirks = ((struct da_quirk_entry *)match)->quirks; 2047 else 2048 softc->quirks = DA_Q_NONE; 2049 2050 /* Check if the SIM does not want 6 byte commands */ 2051 bzero(&cpi, sizeof(cpi)); 2052 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 2053 cpi.ccb_h.func_code = XPT_PATH_INQ; 2054 xpt_action((union ccb *)&cpi); 2055 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 2056 softc->quirks |= DA_Q_NO_6_BYTE; 2057 2058 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph); 2059 2060 /* 2061 * Take an exclusive refcount on the periph while dastart is called 2062 * to finish the probe. The reference will be dropped in dadone at 2063 * the end of probe. 2064 */ 2065 (void)cam_periph_hold(periph, PRIBIO); 2066 2067 /* 2068 * Schedule a periodic event to occasionally send an 2069 * ordered tag to a device. 2070 */ 2071 callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0); 2072 callout_reset(&softc->sendordered_c, 2073 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL, 2074 dasendorderedtag, softc); 2075 2076 cam_periph_unlock(periph); 2077 /* 2078 * RBC devices don't have to support READ(6), only READ(10). 2079 */ 2080 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC) 2081 softc->minimum_cmd_size = 10; 2082 else 2083 softc->minimum_cmd_size = 6; 2084 2085 /* 2086 * Load the user's default, if any. 2087 */ 2088 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size", 2089 periph->unit_number); 2090 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size); 2091 2092 /* 2093 * 6, 10, 12 and 16 are the currently permissible values. 2094 */ 2095 if (softc->minimum_cmd_size < 6) 2096 softc->minimum_cmd_size = 6; 2097 else if ((softc->minimum_cmd_size > 6) 2098 && (softc->minimum_cmd_size <= 10)) 2099 softc->minimum_cmd_size = 10; 2100 else if ((softc->minimum_cmd_size > 10) 2101 && (softc->minimum_cmd_size <= 12)) 2102 softc->minimum_cmd_size = 12; 2103 else if (softc->minimum_cmd_size > 12) 2104 softc->minimum_cmd_size = 16; 2105 2106 /* Predict whether device may support READ CAPACITY(16). */ 2107 if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 && 2108 (softc->quirks & DA_Q_NO_RC16) == 0) { 2109 softc->flags |= DA_FLAG_CAN_RC16; 2110 softc->state = DA_STATE_PROBE_RC16; 2111 } 2112 2113 /* 2114 * Register this media as a disk. 2115 */ 2116 softc->disk = disk_alloc(); 2117 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 2118 periph->unit_number, 0, 2119 DEVSTAT_BS_UNAVAILABLE, 2120 SID_TYPE(&cgd->inq_data) | 2121 XPORT_DEVSTAT_TYPE(cpi.transport), 2122 DEVSTAT_PRIORITY_DISK); 2123 softc->disk->d_open = daopen; 2124 softc->disk->d_close = daclose; 2125 softc->disk->d_strategy = dastrategy; 2126 softc->disk->d_dump = dadump; 2127 softc->disk->d_getattr = dagetattr; 2128 softc->disk->d_gone = dadiskgonecb; 2129 softc->disk->d_name = "da"; 2130 softc->disk->d_drv1 = periph; 2131 if (cpi.maxio == 0) 2132 softc->maxio = DFLTPHYS; /* traditional default */ 2133 else if (cpi.maxio > MAXPHYS) 2134 softc->maxio = MAXPHYS; /* for safety */ 2135 else 2136 softc->maxio = cpi.maxio; 2137 softc->disk->d_maxsize = softc->maxio; 2138 softc->disk->d_unit = periph->unit_number; 2139 softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION; 2140 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) 2141 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 2142 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) 2143 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 2144 cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor, 2145 sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr)); 2146 strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr)); 2147 cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)], 2148 cgd->inq_data.product, sizeof(cgd->inq_data.product), 2149 sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr)); 2150 softc->disk->d_hba_vendor = cpi.hba_vendor; 2151 softc->disk->d_hba_device = cpi.hba_device; 2152 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 2153 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 2154 2155 /* 2156 * Acquire a reference to the periph before we register with GEOM. 2157 * We'll release this reference once GEOM calls us back (via 2158 * dadiskgonecb()) telling us that our provider has been freed. 2159 */ 2160 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 2161 xpt_print(periph->path, "%s: lost periph during " 2162 "registration!\n", __func__); 2163 cam_periph_lock(periph); 2164 return (CAM_REQ_CMP_ERR); 2165 } 2166 2167 disk_create(softc->disk, DISK_VERSION); 2168 cam_periph_lock(periph); 2169 2170 /* 2171 * Add async callbacks for events of interest. 2172 * I don't bother checking if this fails as, 2173 * in most cases, the system will function just 2174 * fine without them and the only alternative 2175 * would be to not attach the device on failure. 2176 */ 2177 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 2178 AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION, 2179 daasync, periph, periph->path); 2180 2181 /* 2182 * Emit an attribute changed notification just in case 2183 * physical path information arrived before our async 2184 * event handler was registered, but after anyone attaching 2185 * to our disk device polled it. 2186 */ 2187 disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT); 2188 2189 /* 2190 * Schedule a periodic media polling events. 2191 */ 2192 callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0); 2193 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) && 2194 (cgd->inq_flags & SID_AEN) == 0 && 2195 da_poll_period != 0) 2196 callout_reset(&softc->mediapoll_c, da_poll_period * hz, 2197 damediapoll, periph); 2198 2199 xpt_schedule(periph, CAM_PRIORITY_DEV); 2200 2201 return(CAM_REQ_CMP); 2202 } 2203 2204 static void 2205 dastart(struct cam_periph *periph, union ccb *start_ccb) 2206 { 2207 struct da_softc *softc; 2208 2209 softc = (struct da_softc *)periph->softc; 2210 2211 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n")); 2212 2213 skipstate: 2214 switch (softc->state) { 2215 case DA_STATE_NORMAL: 2216 { 2217 struct bio *bp; 2218 uint8_t tag_code; 2219 2220 /* Run BIO_DELETE if not running yet. */ 2221 if (!softc->delete_running && 2222 (bp = bioq_first(&softc->delete_queue)) != NULL) { 2223 if (softc->delete_func != NULL) { 2224 softc->delete_func(periph, start_ccb, bp); 2225 goto out; 2226 } else { 2227 bioq_flush(&softc->delete_queue, NULL, 0); 2228 /* FALLTHROUGH */ 2229 } 2230 } 2231 2232 /* Run regular command. */ 2233 bp = bioq_takefirst(&softc->bio_queue); 2234 if (bp == NULL) { 2235 if (softc->tur) { 2236 softc->tur = 0; 2237 scsi_test_unit_ready(&start_ccb->csio, 2238 /*retries*/ da_retry_count, 2239 dadone, 2240 MSG_SIMPLE_Q_TAG, 2241 SSD_FULL_SIZE, 2242 da_default_timeout * 1000); 2243 start_ccb->ccb_h.ccb_bp = NULL; 2244 start_ccb->ccb_h.ccb_state = DA_CCB_TUR; 2245 xpt_action(start_ccb); 2246 } else 2247 xpt_release_ccb(start_ccb); 2248 break; 2249 } 2250 if (softc->tur) { 2251 softc->tur = 0; 2252 cam_periph_release_locked(periph); 2253 } 2254 2255 if ((bp->bio_flags & BIO_ORDERED) != 0 || 2256 (softc->flags & DA_FLAG_NEED_OTAG) != 0) { 2257 softc->flags &= ~DA_FLAG_NEED_OTAG; 2258 softc->flags |= DA_FLAG_WAS_OTAG; 2259 tag_code = MSG_ORDERED_Q_TAG; 2260 } else { 2261 tag_code = MSG_SIMPLE_Q_TAG; 2262 } 2263 2264 switch (bp->bio_cmd) { 2265 case BIO_WRITE: 2266 softc->flags |= DA_FLAG_DIRTY; 2267 /* FALLTHROUGH */ 2268 case BIO_READ: 2269 scsi_read_write(&start_ccb->csio, 2270 /*retries*/da_retry_count, 2271 /*cbfcnp*/dadone, 2272 /*tag_action*/tag_code, 2273 /*read_op*/(bp->bio_cmd == BIO_READ ? 2274 SCSI_RW_READ : SCSI_RW_WRITE) | 2275 ((bp->bio_flags & BIO_UNMAPPED) != 0 ? 2276 SCSI_RW_BIO : 0), 2277 /*byte2*/0, 2278 softc->minimum_cmd_size, 2279 /*lba*/bp->bio_pblkno, 2280 /*block_count*/bp->bio_bcount / 2281 softc->params.secsize, 2282 /*data_ptr*/ (bp->bio_flags & 2283 BIO_UNMAPPED) != 0 ? (void *)bp : 2284 bp->bio_data, 2285 /*dxfer_len*/ bp->bio_bcount, 2286 /*sense_len*/SSD_FULL_SIZE, 2287 da_default_timeout * 1000); 2288 break; 2289 case BIO_FLUSH: 2290 /* 2291 * BIO_FLUSH doesn't currently communicate 2292 * range data, so we synchronize the cache 2293 * over the whole disk. We also force 2294 * ordered tag semantics the flush applies 2295 * to all previously queued I/O. 2296 */ 2297 scsi_synchronize_cache(&start_ccb->csio, 2298 /*retries*/1, 2299 /*cbfcnp*/dadone, 2300 MSG_ORDERED_Q_TAG, 2301 /*begin_lba*/0, 2302 /*lb_count*/0, 2303 SSD_FULL_SIZE, 2304 da_default_timeout*1000); 2305 break; 2306 } 2307 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO; 2308 start_ccb->ccb_h.flags |= CAM_UNLOCKED; 2309 2310 out: 2311 LIST_INSERT_HEAD(&softc->pending_ccbs, 2312 &start_ccb->ccb_h, periph_links.le); 2313 2314 /* We expect a unit attention from this device */ 2315 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) { 2316 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA; 2317 softc->flags &= ~DA_FLAG_RETRY_UA; 2318 } 2319 2320 start_ccb->ccb_h.ccb_bp = bp; 2321 softc->refcount++; 2322 cam_periph_unlock(periph); 2323 xpt_action(start_ccb); 2324 cam_periph_lock(periph); 2325 softc->refcount--; 2326 2327 /* May have more work to do, so ensure we stay scheduled */ 2328 daschedule(periph); 2329 break; 2330 } 2331 case DA_STATE_PROBE_RC: 2332 { 2333 struct scsi_read_capacity_data *rcap; 2334 2335 rcap = (struct scsi_read_capacity_data *) 2336 malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO); 2337 if (rcap == NULL) { 2338 printf("dastart: Couldn't malloc read_capacity data\n"); 2339 /* da_free_periph??? */ 2340 break; 2341 } 2342 scsi_read_capacity(&start_ccb->csio, 2343 /*retries*/da_retry_count, 2344 dadone, 2345 MSG_SIMPLE_Q_TAG, 2346 rcap, 2347 SSD_FULL_SIZE, 2348 /*timeout*/5000); 2349 start_ccb->ccb_h.ccb_bp = NULL; 2350 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC; 2351 xpt_action(start_ccb); 2352 break; 2353 } 2354 case DA_STATE_PROBE_RC16: 2355 { 2356 struct scsi_read_capacity_data_long *rcaplong; 2357 2358 rcaplong = (struct scsi_read_capacity_data_long *) 2359 malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO); 2360 if (rcaplong == NULL) { 2361 printf("dastart: Couldn't malloc read_capacity data\n"); 2362 /* da_free_periph??? */ 2363 break; 2364 } 2365 scsi_read_capacity_16(&start_ccb->csio, 2366 /*retries*/ da_retry_count, 2367 /*cbfcnp*/ dadone, 2368 /*tag_action*/ MSG_SIMPLE_Q_TAG, 2369 /*lba*/ 0, 2370 /*reladr*/ 0, 2371 /*pmi*/ 0, 2372 /*rcap_buf*/ (uint8_t *)rcaplong, 2373 /*rcap_buf_len*/ sizeof(*rcaplong), 2374 /*sense_len*/ SSD_FULL_SIZE, 2375 /*timeout*/ da_default_timeout * 1000); 2376 start_ccb->ccb_h.ccb_bp = NULL; 2377 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16; 2378 xpt_action(start_ccb); 2379 break; 2380 } 2381 case DA_STATE_PROBE_LBP: 2382 { 2383 struct scsi_vpd_logical_block_prov *lbp; 2384 2385 if (!scsi_vpd_supported_page(periph, SVPD_LBP)) { 2386 /* 2387 * If we get here we don't support any SBC-3 delete 2388 * methods with UNMAP as the Logical Block Provisioning 2389 * VPD page support is required for devices which 2390 * support it according to T10/1799-D Revision 31 2391 * however older revisions of the spec don't mandate 2392 * this so we currently don't remove these methods 2393 * from the available set. 2394 */ 2395 softc->state = DA_STATE_PROBE_BLK_LIMITS; 2396 goto skipstate; 2397 } 2398 2399 lbp = (struct scsi_vpd_logical_block_prov *) 2400 malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO); 2401 2402 if (lbp == NULL) { 2403 printf("dastart: Couldn't malloc lbp data\n"); 2404 /* da_free_periph??? */ 2405 break; 2406 } 2407 2408 scsi_inquiry(&start_ccb->csio, 2409 /*retries*/da_retry_count, 2410 /*cbfcnp*/dadone, 2411 /*tag_action*/MSG_SIMPLE_Q_TAG, 2412 /*inq_buf*/(u_int8_t *)lbp, 2413 /*inq_len*/sizeof(*lbp), 2414 /*evpd*/TRUE, 2415 /*page_code*/SVPD_LBP, 2416 /*sense_len*/SSD_MIN_SIZE, 2417 /*timeout*/da_default_timeout * 1000); 2418 start_ccb->ccb_h.ccb_bp = NULL; 2419 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP; 2420 xpt_action(start_ccb); 2421 break; 2422 } 2423 case DA_STATE_PROBE_BLK_LIMITS: 2424 { 2425 struct scsi_vpd_block_limits *block_limits; 2426 2427 if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) { 2428 /* Not supported skip to next probe */ 2429 softc->state = DA_STATE_PROBE_BDC; 2430 goto skipstate; 2431 } 2432 2433 block_limits = (struct scsi_vpd_block_limits *) 2434 malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO); 2435 2436 if (block_limits == NULL) { 2437 printf("dastart: Couldn't malloc block_limits data\n"); 2438 /* da_free_periph??? */ 2439 break; 2440 } 2441 2442 scsi_inquiry(&start_ccb->csio, 2443 /*retries*/da_retry_count, 2444 /*cbfcnp*/dadone, 2445 /*tag_action*/MSG_SIMPLE_Q_TAG, 2446 /*inq_buf*/(u_int8_t *)block_limits, 2447 /*inq_len*/sizeof(*block_limits), 2448 /*evpd*/TRUE, 2449 /*page_code*/SVPD_BLOCK_LIMITS, 2450 /*sense_len*/SSD_MIN_SIZE, 2451 /*timeout*/da_default_timeout * 1000); 2452 start_ccb->ccb_h.ccb_bp = NULL; 2453 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS; 2454 xpt_action(start_ccb); 2455 break; 2456 } 2457 case DA_STATE_PROBE_BDC: 2458 { 2459 struct scsi_vpd_block_characteristics *bdc; 2460 2461 if (!scsi_vpd_supported_page(periph, SVPD_BDC)) { 2462 softc->state = DA_STATE_PROBE_ATA; 2463 goto skipstate; 2464 } 2465 2466 bdc = (struct scsi_vpd_block_characteristics *) 2467 malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO); 2468 2469 if (bdc == NULL) { 2470 printf("dastart: Couldn't malloc bdc data\n"); 2471 /* da_free_periph??? */ 2472 break; 2473 } 2474 2475 scsi_inquiry(&start_ccb->csio, 2476 /*retries*/da_retry_count, 2477 /*cbfcnp*/dadone, 2478 /*tag_action*/MSG_SIMPLE_Q_TAG, 2479 /*inq_buf*/(u_int8_t *)bdc, 2480 /*inq_len*/sizeof(*bdc), 2481 /*evpd*/TRUE, 2482 /*page_code*/SVPD_BDC, 2483 /*sense_len*/SSD_MIN_SIZE, 2484 /*timeout*/da_default_timeout * 1000); 2485 start_ccb->ccb_h.ccb_bp = NULL; 2486 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC; 2487 xpt_action(start_ccb); 2488 break; 2489 } 2490 case DA_STATE_PROBE_ATA: 2491 { 2492 struct ata_params *ata_params; 2493 2494 if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) { 2495 daprobedone(periph, start_ccb); 2496 break; 2497 } 2498 2499 ata_params = (struct ata_params*) 2500 malloc(sizeof(*ata_params), M_SCSIDA, M_NOWAIT|M_ZERO); 2501 2502 if (ata_params == NULL) { 2503 printf("dastart: Couldn't malloc ata_params data\n"); 2504 /* da_free_periph??? */ 2505 break; 2506 } 2507 2508 scsi_ata_identify(&start_ccb->csio, 2509 /*retries*/da_retry_count, 2510 /*cbfcnp*/dadone, 2511 /*tag_action*/MSG_SIMPLE_Q_TAG, 2512 /*data_ptr*/(u_int8_t *)ata_params, 2513 /*dxfer_len*/sizeof(*ata_params), 2514 /*sense_len*/SSD_FULL_SIZE, 2515 /*timeout*/da_default_timeout * 1000); 2516 start_ccb->ccb_h.ccb_bp = NULL; 2517 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA; 2518 xpt_action(start_ccb); 2519 break; 2520 } 2521 } 2522 } 2523 2524 /* 2525 * In each of the methods below, while its the caller's 2526 * responsibility to ensure the request will fit into a 2527 * single device request, we might have changed the delete 2528 * method due to the device incorrectly advertising either 2529 * its supported methods or limits. 2530 * 2531 * To prevent this causing further issues we validate the 2532 * against the methods limits, and warn which would 2533 * otherwise be unnecessary. 2534 */ 2535 static void 2536 da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp) 2537 { 2538 struct da_softc *softc = (struct da_softc *)periph->softc;; 2539 struct bio *bp1; 2540 uint8_t *buf = softc->unmap_buf; 2541 uint64_t lba, lastlba = (uint64_t)-1; 2542 uint64_t totalcount = 0; 2543 uint64_t count; 2544 uint32_t lastcount = 0, c; 2545 uint32_t off, ranges = 0; 2546 2547 /* 2548 * Currently this doesn't take the UNMAP 2549 * Granularity and Granularity Alignment 2550 * fields into account. 2551 * 2552 * This could result in both unoptimal unmap 2553 * requests as as well as UNMAP calls unmapping 2554 * fewer LBA's than requested. 2555 */ 2556 2557 softc->delete_running = 1; 2558 bzero(softc->unmap_buf, sizeof(softc->unmap_buf)); 2559 bp1 = bp; 2560 do { 2561 bioq_remove(&softc->delete_queue, bp1); 2562 if (bp1 != bp) 2563 bioq_insert_tail(&softc->delete_run_queue, bp1); 2564 lba = bp1->bio_pblkno; 2565 count = bp1->bio_bcount / softc->params.secsize; 2566 2567 /* Try to extend the previous range. */ 2568 if (lba == lastlba) { 2569 c = omin(count, UNMAP_RANGE_MAX - lastcount); 2570 lastcount += c; 2571 off = ((ranges - 1) * UNMAP_RANGE_SIZE) + 2572 UNMAP_HEAD_SIZE; 2573 scsi_ulto4b(lastcount, &buf[off + 8]); 2574 count -= c; 2575 lba +=c; 2576 totalcount += c; 2577 } 2578 2579 while (count > 0) { 2580 c = omin(count, UNMAP_RANGE_MAX); 2581 if (totalcount + c > softc->unmap_max_lba || 2582 ranges >= softc->unmap_max_ranges) { 2583 xpt_print(periph->path, 2584 "%s issuing short delete %ld > %ld" 2585 "|| %d >= %d", 2586 da_delete_method_desc[softc->delete_method], 2587 totalcount + c, softc->unmap_max_lba, 2588 ranges, softc->unmap_max_ranges); 2589 break; 2590 } 2591 off = (ranges * UNMAP_RANGE_SIZE) + UNMAP_HEAD_SIZE; 2592 scsi_u64to8b(lba, &buf[off + 0]); 2593 scsi_ulto4b(c, &buf[off + 8]); 2594 lba += c; 2595 totalcount += c; 2596 ranges++; 2597 count -= c; 2598 lastcount = c; 2599 } 2600 lastlba = lba; 2601 bp1 = bioq_first(&softc->delete_queue); 2602 if (bp1 == NULL || ranges >= softc->unmap_max_ranges || 2603 totalcount + bp1->bio_bcount / 2604 softc->params.secsize > softc->unmap_max_lba) 2605 break; 2606 } while (1); 2607 scsi_ulto2b(ranges * 16 + 6, &buf[0]); 2608 scsi_ulto2b(ranges * 16, &buf[2]); 2609 2610 scsi_unmap(&ccb->csio, 2611 /*retries*/da_retry_count, 2612 /*cbfcnp*/dadone, 2613 /*tag_action*/MSG_SIMPLE_Q_TAG, 2614 /*byte2*/0, 2615 /*data_ptr*/ buf, 2616 /*dxfer_len*/ ranges * 16 + 8, 2617 /*sense_len*/SSD_FULL_SIZE, 2618 da_default_timeout * 1000); 2619 ccb->ccb_h.ccb_state = DA_CCB_DELETE; 2620 ccb->ccb_h.flags |= CAM_UNLOCKED; 2621 } 2622 2623 static void 2624 da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp) 2625 { 2626 struct da_softc *softc = (struct da_softc *)periph->softc; 2627 struct bio *bp1; 2628 uint8_t *buf = softc->unmap_buf; 2629 uint64_t lastlba = (uint64_t)-1; 2630 uint64_t count; 2631 uint64_t lba; 2632 uint32_t lastcount = 0, c, requestcount; 2633 int ranges = 0, off, block_count; 2634 2635 softc->delete_running = 1; 2636 bzero(softc->unmap_buf, sizeof(softc->unmap_buf)); 2637 bp1 = bp; 2638 do { 2639 bioq_remove(&softc->delete_queue, bp1); 2640 if (bp1 != bp) 2641 bioq_insert_tail(&softc->delete_run_queue, bp1); 2642 lba = bp1->bio_pblkno; 2643 count = bp1->bio_bcount / softc->params.secsize; 2644 requestcount = count; 2645 2646 /* Try to extend the previous range. */ 2647 if (lba == lastlba) { 2648 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 2649 lastcount += c; 2650 off = (ranges - 1) * 8; 2651 buf[off + 6] = lastcount & 0xff; 2652 buf[off + 7] = (lastcount >> 8) & 0xff; 2653 count -= c; 2654 lba += c; 2655 } 2656 2657 while (count > 0) { 2658 c = min(count, ATA_DSM_RANGE_MAX); 2659 off = ranges * 8; 2660 2661 buf[off + 0] = lba & 0xff; 2662 buf[off + 1] = (lba >> 8) & 0xff; 2663 buf[off + 2] = (lba >> 16) & 0xff; 2664 buf[off + 3] = (lba >> 24) & 0xff; 2665 buf[off + 4] = (lba >> 32) & 0xff; 2666 buf[off + 5] = (lba >> 40) & 0xff; 2667 buf[off + 6] = c & 0xff; 2668 buf[off + 7] = (c >> 8) & 0xff; 2669 lba += c; 2670 ranges++; 2671 count -= c; 2672 lastcount = c; 2673 if (count != 0 && ranges == softc->trim_max_ranges) { 2674 xpt_print(periph->path, 2675 "%s issuing short delete %ld > %ld\n", 2676 da_delete_method_desc[softc->delete_method], 2677 requestcount, 2678 (softc->trim_max_ranges - ranges) * 2679 ATA_DSM_RANGE_MAX); 2680 break; 2681 } 2682 } 2683 lastlba = lba; 2684 bp1 = bioq_first(&softc->delete_queue); 2685 if (bp1 == NULL || bp1->bio_bcount / softc->params.secsize > 2686 (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) 2687 break; 2688 } while (1); 2689 2690 block_count = (ranges + ATA_DSM_BLK_RANGES - 1) / ATA_DSM_BLK_RANGES; 2691 scsi_ata_trim(&ccb->csio, 2692 /*retries*/da_retry_count, 2693 /*cbfcnp*/dadone, 2694 /*tag_action*/MSG_SIMPLE_Q_TAG, 2695 block_count, 2696 /*data_ptr*/buf, 2697 /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE, 2698 /*sense_len*/SSD_FULL_SIZE, 2699 da_default_timeout * 1000); 2700 ccb->ccb_h.ccb_state = DA_CCB_DELETE; 2701 ccb->ccb_h.flags |= CAM_UNLOCKED; 2702 } 2703 2704 /* 2705 * We calculate ws_max_blks here based off d_delmaxsize instead 2706 * of using softc->ws_max_blks as it is absolute max for the 2707 * device not the protocol max which may well be lower. 2708 */ 2709 static void 2710 da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp) 2711 { 2712 struct da_softc *softc; 2713 struct bio *bp1; 2714 uint64_t ws_max_blks; 2715 uint64_t lba; 2716 uint64_t count; /* forward compat with WS32 */ 2717 2718 softc = (struct da_softc *)periph->softc; 2719 ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize; 2720 softc->delete_running = 1; 2721 lba = bp->bio_pblkno; 2722 count = 0; 2723 bp1 = bp; 2724 do { 2725 bioq_remove(&softc->delete_queue, bp1); 2726 if (bp1 != bp) 2727 bioq_insert_tail(&softc->delete_run_queue, bp1); 2728 count += bp1->bio_bcount / softc->params.secsize; 2729 if (count > ws_max_blks) { 2730 xpt_print(periph->path, 2731 "%s issuing short delete %ld > %ld\n", 2732 da_delete_method_desc[softc->delete_method], 2733 count, ws_max_blks); 2734 count = min(count, ws_max_blks); 2735 break; 2736 } 2737 bp1 = bioq_first(&softc->delete_queue); 2738 if (bp1 == NULL || lba + count != bp1->bio_pblkno || 2739 count + bp1->bio_bcount / 2740 softc->params.secsize > ws_max_blks) 2741 break; 2742 } while (1); 2743 2744 scsi_write_same(&ccb->csio, 2745 /*retries*/da_retry_count, 2746 /*cbfcnp*/dadone, 2747 /*tag_action*/MSG_SIMPLE_Q_TAG, 2748 /*byte2*/softc->delete_method == 2749 DA_DELETE_ZERO ? 0 : SWS_UNMAP, 2750 softc->delete_method == DA_DELETE_WS16 ? 16 : 10, 2751 /*lba*/lba, 2752 /*block_count*/count, 2753 /*data_ptr*/ __DECONST(void *, zero_region), 2754 /*dxfer_len*/ softc->params.secsize, 2755 /*sense_len*/SSD_FULL_SIZE, 2756 da_default_timeout * 1000); 2757 ccb->ccb_h.ccb_state = DA_CCB_DELETE; 2758 ccb->ccb_h.flags |= CAM_UNLOCKED; 2759 } 2760 2761 static int 2762 cmd6workaround(union ccb *ccb) 2763 { 2764 struct scsi_rw_6 cmd6; 2765 struct scsi_rw_10 *cmd10; 2766 struct da_softc *softc; 2767 u_int8_t *cdb; 2768 struct bio *bp; 2769 int frozen; 2770 2771 cdb = ccb->csio.cdb_io.cdb_bytes; 2772 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc; 2773 2774 if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) { 2775 da_delete_methods old_method = softc->delete_method; 2776 2777 /* 2778 * Typically there are two reasons for failure here 2779 * 1. Delete method was detected as supported but isn't 2780 * 2. Delete failed due to invalid params e.g. too big 2781 * 2782 * While we will attempt to choose an alternative delete method 2783 * this may result in short deletes if the existing delete 2784 * requests from geom are big for the new method choosen. 2785 * 2786 * This method assumes that the error which triggered this 2787 * will not retry the io otherwise a panic will occur 2788 */ 2789 dadeleteflag(softc, old_method, 0); 2790 dadeletemethodchoose(softc, DA_DELETE_DISABLE); 2791 if (softc->delete_method == DA_DELETE_DISABLE) 2792 xpt_print(ccb->ccb_h.path, 2793 "%s failed, disabling BIO_DELETE\n", 2794 da_delete_method_desc[old_method]); 2795 else 2796 xpt_print(ccb->ccb_h.path, 2797 "%s failed, switching to %s BIO_DELETE\n", 2798 da_delete_method_desc[old_method], 2799 da_delete_method_desc[softc->delete_method]); 2800 2801 while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL) 2802 bioq_disksort(&softc->delete_queue, bp); 2803 bioq_disksort(&softc->delete_queue, 2804 (struct bio *)ccb->ccb_h.ccb_bp); 2805 ccb->ccb_h.ccb_bp = NULL; 2806 return (0); 2807 } 2808 2809 /* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */ 2810 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 && 2811 (*cdb == PREVENT_ALLOW) && 2812 (softc->quirks & DA_Q_NO_PREVENT) == 0) { 2813 if (bootverbose) 2814 xpt_print(ccb->ccb_h.path, 2815 "PREVENT ALLOW MEDIUM REMOVAL not supported.\n"); 2816 softc->quirks |= DA_Q_NO_PREVENT; 2817 return (0); 2818 } 2819 2820 /* Detect unsupported SYNCHRONIZE CACHE(10). */ 2821 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 && 2822 (*cdb == SYNCHRONIZE_CACHE) && 2823 (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 2824 if (bootverbose) 2825 xpt_print(ccb->ccb_h.path, 2826 "SYNCHRONIZE CACHE(10) not supported.\n"); 2827 softc->quirks |= DA_Q_NO_SYNC_CACHE; 2828 softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE; 2829 return (0); 2830 } 2831 2832 /* Translation only possible if CDB is an array and cmd is R/W6 */ 2833 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 || 2834 (*cdb != READ_6 && *cdb != WRITE_6)) 2835 return 0; 2836 2837 xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, " 2838 "increasing minimum_cmd_size to 10.\n"); 2839 softc->minimum_cmd_size = 10; 2840 2841 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6)); 2842 cmd10 = (struct scsi_rw_10 *)cdb; 2843 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10; 2844 cmd10->byte2 = 0; 2845 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr); 2846 cmd10->reserved = 0; 2847 scsi_ulto2b(cmd6.length, cmd10->length); 2848 cmd10->control = cmd6.control; 2849 ccb->csio.cdb_len = sizeof(*cmd10); 2850 2851 /* Requeue request, unfreezing queue if necessary */ 2852 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 2853 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2854 xpt_action(ccb); 2855 if (frozen) { 2856 cam_release_devq(ccb->ccb_h.path, 2857 /*relsim_flags*/0, 2858 /*reduction*/0, 2859 /*timeout*/0, 2860 /*getcount_only*/0); 2861 } 2862 return (ERESTART); 2863 } 2864 2865 static void 2866 dadone(struct cam_periph *periph, union ccb *done_ccb) 2867 { 2868 struct da_softc *softc; 2869 struct ccb_scsiio *csio; 2870 u_int32_t priority; 2871 da_ccb_state state; 2872 2873 softc = (struct da_softc *)periph->softc; 2874 priority = done_ccb->ccb_h.pinfo.priority; 2875 2876 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n")); 2877 2878 csio = &done_ccb->csio; 2879 state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK; 2880 switch (state) { 2881 case DA_CCB_BUFFER_IO: 2882 case DA_CCB_DELETE: 2883 { 2884 struct bio *bp, *bp1; 2885 2886 cam_periph_lock(periph); 2887 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 2888 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2889 int error; 2890 int sf; 2891 2892 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0) 2893 sf = SF_RETRY_UA; 2894 else 2895 sf = 0; 2896 2897 error = daerror(done_ccb, CAM_RETRY_SELTO, sf); 2898 if (error == ERESTART) { 2899 /* 2900 * A retry was scheduled, so 2901 * just return. 2902 */ 2903 cam_periph_unlock(periph); 2904 return; 2905 } 2906 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 2907 if (error != 0) { 2908 int queued_error; 2909 2910 /* 2911 * return all queued I/O with EIO, so that 2912 * the client can retry these I/Os in the 2913 * proper order should it attempt to recover. 2914 */ 2915 queued_error = EIO; 2916 2917 if (error == ENXIO 2918 && (softc->flags & DA_FLAG_PACK_INVALID)== 0) { 2919 /* 2920 * Catastrophic error. Mark our pack as 2921 * invalid. 2922 */ 2923 /* 2924 * XXX See if this is really a media 2925 * XXX change first? 2926 */ 2927 xpt_print(periph->path, 2928 "Invalidating pack\n"); 2929 softc->flags |= DA_FLAG_PACK_INVALID; 2930 queued_error = ENXIO; 2931 } 2932 bioq_flush(&softc->bio_queue, NULL, 2933 queued_error); 2934 if (bp != NULL) { 2935 bp->bio_error = error; 2936 bp->bio_resid = bp->bio_bcount; 2937 bp->bio_flags |= BIO_ERROR; 2938 } 2939 } else if (bp != NULL) { 2940 if (state == DA_CCB_DELETE) 2941 bp->bio_resid = 0; 2942 else 2943 bp->bio_resid = csio->resid; 2944 bp->bio_error = 0; 2945 if (bp->bio_resid != 0) 2946 bp->bio_flags |= BIO_ERROR; 2947 } 2948 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2949 cam_release_devq(done_ccb->ccb_h.path, 2950 /*relsim_flags*/0, 2951 /*reduction*/0, 2952 /*timeout*/0, 2953 /*getcount_only*/0); 2954 } else if (bp != NULL) { 2955 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2956 panic("REQ_CMP with QFRZN"); 2957 if (state == DA_CCB_DELETE) 2958 bp->bio_resid = 0; 2959 else 2960 bp->bio_resid = csio->resid; 2961 if (csio->resid > 0) 2962 bp->bio_flags |= BIO_ERROR; 2963 if (softc->error_inject != 0) { 2964 bp->bio_error = softc->error_inject; 2965 bp->bio_resid = bp->bio_bcount; 2966 bp->bio_flags |= BIO_ERROR; 2967 softc->error_inject = 0; 2968 } 2969 } 2970 2971 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 2972 if (LIST_EMPTY(&softc->pending_ccbs)) 2973 softc->flags |= DA_FLAG_WAS_OTAG; 2974 2975 xpt_release_ccb(done_ccb); 2976 if (state == DA_CCB_DELETE) { 2977 TAILQ_HEAD(, bio) queue; 2978 2979 TAILQ_INIT(&queue); 2980 TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue); 2981 softc->delete_run_queue.insert_point = NULL; 2982 softc->delete_running = 0; 2983 daschedule(periph); 2984 cam_periph_unlock(periph); 2985 while ((bp1 = TAILQ_FIRST(&queue)) != NULL) { 2986 TAILQ_REMOVE(&queue, bp1, bio_queue); 2987 bp1->bio_error = bp->bio_error; 2988 if (bp->bio_flags & BIO_ERROR) { 2989 bp1->bio_flags |= BIO_ERROR; 2990 bp1->bio_resid = bp1->bio_bcount; 2991 } else 2992 bp1->bio_resid = 0; 2993 biodone(bp1); 2994 } 2995 } else 2996 cam_periph_unlock(periph); 2997 if (bp != NULL) 2998 biodone(bp); 2999 return; 3000 } 3001 case DA_CCB_PROBE_RC: 3002 case DA_CCB_PROBE_RC16: 3003 { 3004 struct scsi_read_capacity_data *rdcap; 3005 struct scsi_read_capacity_data_long *rcaplong; 3006 char announce_buf[80]; 3007 int lbp; 3008 3009 lbp = 0; 3010 rdcap = NULL; 3011 rcaplong = NULL; 3012 if (state == DA_CCB_PROBE_RC) 3013 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr; 3014 else 3015 rcaplong = (struct scsi_read_capacity_data_long *) 3016 csio->data_ptr; 3017 3018 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3019 struct disk_params *dp; 3020 uint32_t block_size; 3021 uint64_t maxsector; 3022 u_int lalba; /* Lowest aligned LBA. */ 3023 3024 if (state == DA_CCB_PROBE_RC) { 3025 block_size = scsi_4btoul(rdcap->length); 3026 maxsector = scsi_4btoul(rdcap->addr); 3027 lalba = 0; 3028 3029 /* 3030 * According to SBC-2, if the standard 10 3031 * byte READ CAPACITY command returns 2^32, 3032 * we should issue the 16 byte version of 3033 * the command, since the device in question 3034 * has more sectors than can be represented 3035 * with the short version of the command. 3036 */ 3037 if (maxsector == 0xffffffff) { 3038 free(rdcap, M_SCSIDA); 3039 xpt_release_ccb(done_ccb); 3040 softc->state = DA_STATE_PROBE_RC16; 3041 xpt_schedule(periph, priority); 3042 return; 3043 } 3044 } else { 3045 block_size = scsi_4btoul(rcaplong->length); 3046 maxsector = scsi_8btou64(rcaplong->addr); 3047 lalba = scsi_2btoul(rcaplong->lalba_lbp); 3048 } 3049 3050 /* 3051 * Because GEOM code just will panic us if we 3052 * give them an 'illegal' value we'll avoid that 3053 * here. 3054 */ 3055 if (block_size == 0 && maxsector == 0) { 3056 block_size = 512; 3057 maxsector = -1; 3058 } 3059 if (block_size >= MAXPHYS || block_size == 0) { 3060 xpt_print(periph->path, 3061 "unsupportable block size %ju\n", 3062 (uintmax_t) block_size); 3063 announce_buf[0] = '\0'; 3064 cam_periph_invalidate(periph); 3065 } else { 3066 /* 3067 * We pass rcaplong into dasetgeom(), 3068 * because it will only use it if it is 3069 * non-NULL. 3070 */ 3071 dasetgeom(periph, block_size, maxsector, 3072 rcaplong, sizeof(*rcaplong)); 3073 lbp = (lalba & SRC16_LBPME_A); 3074 dp = &softc->params; 3075 snprintf(announce_buf, sizeof(announce_buf), 3076 "%juMB (%ju %u byte sectors: %dH %dS/T " 3077 "%dC)", (uintmax_t) 3078 (((uintmax_t)dp->secsize * 3079 dp->sectors) / (1024*1024)), 3080 (uintmax_t)dp->sectors, 3081 dp->secsize, dp->heads, 3082 dp->secs_per_track, dp->cylinders); 3083 } 3084 } else { 3085 int error; 3086 3087 announce_buf[0] = '\0'; 3088 3089 /* 3090 * Retry any UNIT ATTENTION type errors. They 3091 * are expected at boot. 3092 */ 3093 error = daerror(done_ccb, CAM_RETRY_SELTO, 3094 SF_RETRY_UA|SF_NO_PRINT); 3095 if (error == ERESTART) { 3096 /* 3097 * A retry was scheuled, so 3098 * just return. 3099 */ 3100 return; 3101 } else if (error != 0) { 3102 int asc, ascq; 3103 int sense_key, error_code; 3104 int have_sense; 3105 cam_status status; 3106 struct ccb_getdev cgd; 3107 3108 /* Don't wedge this device's queue */ 3109 status = done_ccb->ccb_h.status; 3110 if ((status & CAM_DEV_QFRZN) != 0) 3111 cam_release_devq(done_ccb->ccb_h.path, 3112 /*relsim_flags*/0, 3113 /*reduction*/0, 3114 /*timeout*/0, 3115 /*getcount_only*/0); 3116 3117 3118 xpt_setup_ccb(&cgd.ccb_h, 3119 done_ccb->ccb_h.path, 3120 CAM_PRIORITY_NORMAL); 3121 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 3122 xpt_action((union ccb *)&cgd); 3123 3124 if (scsi_extract_sense_ccb(done_ccb, 3125 &error_code, &sense_key, &asc, &ascq)) 3126 have_sense = TRUE; 3127 else 3128 have_sense = FALSE; 3129 3130 /* 3131 * If we tried READ CAPACITY(16) and failed, 3132 * fallback to READ CAPACITY(10). 3133 */ 3134 if ((state == DA_CCB_PROBE_RC16) && 3135 (softc->flags & DA_FLAG_CAN_RC16) && 3136 (((csio->ccb_h.status & CAM_STATUS_MASK) == 3137 CAM_REQ_INVALID) || 3138 ((have_sense) && 3139 (error_code == SSD_CURRENT_ERROR) && 3140 (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) { 3141 softc->flags &= ~DA_FLAG_CAN_RC16; 3142 free(rdcap, M_SCSIDA); 3143 xpt_release_ccb(done_ccb); 3144 softc->state = DA_STATE_PROBE_RC; 3145 xpt_schedule(periph, priority); 3146 return; 3147 } else 3148 /* 3149 * Attach to anything that claims to be a 3150 * direct access or optical disk device, 3151 * as long as it doesn't return a "Logical 3152 * unit not supported" (0x25) error. 3153 */ 3154 if ((have_sense) && (asc != 0x25) 3155 && (error_code == SSD_CURRENT_ERROR)) { 3156 const char *sense_key_desc; 3157 const char *asc_desc; 3158 3159 dasetgeom(periph, 512, -1, NULL, 0); 3160 scsi_sense_desc(sense_key, asc, ascq, 3161 &cgd.inq_data, 3162 &sense_key_desc, 3163 &asc_desc); 3164 snprintf(announce_buf, 3165 sizeof(announce_buf), 3166 "Attempt to query device " 3167 "size failed: %s, %s", 3168 sense_key_desc, 3169 asc_desc); 3170 } else { 3171 if (have_sense) 3172 scsi_sense_print( 3173 &done_ccb->csio); 3174 else { 3175 xpt_print(periph->path, 3176 "got CAM status %#x\n", 3177 done_ccb->ccb_h.status); 3178 } 3179 3180 xpt_print(periph->path, "fatal error, " 3181 "failed to attach to device\n"); 3182 3183 /* 3184 * Free up resources. 3185 */ 3186 cam_periph_invalidate(periph); 3187 } 3188 } 3189 } 3190 free(csio->data_ptr, M_SCSIDA); 3191 if (announce_buf[0] != '\0' && 3192 ((softc->flags & DA_FLAG_ANNOUNCED) == 0)) { 3193 /* 3194 * Create our sysctl variables, now that we know 3195 * we have successfully attached. 3196 */ 3197 /* increase the refcount */ 3198 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 3199 taskqueue_enqueue(taskqueue_thread, 3200 &softc->sysctl_task); 3201 xpt_announce_periph(periph, announce_buf); 3202 xpt_announce_quirks(periph, softc->quirks, 3203 DA_Q_BIT_STRING); 3204 } else { 3205 xpt_print(periph->path, "fatal error, " 3206 "could not acquire reference count\n"); 3207 } 3208 } 3209 3210 /* We already probed the device. */ 3211 if (softc->flags & DA_FLAG_PROBED) { 3212 daprobedone(periph, done_ccb); 3213 return; 3214 } 3215 3216 /* Ensure re-probe doesn't see old delete. */ 3217 softc->delete_available = 0; 3218 if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) { 3219 /* 3220 * Based on older SBC-3 spec revisions 3221 * any of the UNMAP methods "may" be 3222 * available via LBP given this flag so 3223 * we flag all of them as availble and 3224 * then remove those which further 3225 * probes confirm aren't available 3226 * later. 3227 * 3228 * We could also check readcap(16) p_type 3229 * flag to exclude one or more invalid 3230 * write same (X) types here 3231 */ 3232 dadeleteflag(softc, DA_DELETE_WS16, 1); 3233 dadeleteflag(softc, DA_DELETE_WS10, 1); 3234 dadeleteflag(softc, DA_DELETE_ZERO, 1); 3235 dadeleteflag(softc, DA_DELETE_UNMAP, 1); 3236 3237 xpt_release_ccb(done_ccb); 3238 softc->state = DA_STATE_PROBE_LBP; 3239 xpt_schedule(periph, priority); 3240 return; 3241 } 3242 3243 xpt_release_ccb(done_ccb); 3244 softc->state = DA_STATE_PROBE_BDC; 3245 xpt_schedule(periph, priority); 3246 return; 3247 } 3248 case DA_CCB_PROBE_LBP: 3249 { 3250 struct scsi_vpd_logical_block_prov *lbp; 3251 3252 lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr; 3253 3254 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3255 /* 3256 * T10/1799-D Revision 31 states at least one of these 3257 * must be supported but we don't currently enforce this. 3258 */ 3259 dadeleteflag(softc, DA_DELETE_WS16, 3260 (lbp->flags & SVPD_LBP_WS16)); 3261 dadeleteflag(softc, DA_DELETE_WS10, 3262 (lbp->flags & SVPD_LBP_WS10)); 3263 dadeleteflag(softc, DA_DELETE_ZERO, 3264 (lbp->flags & SVPD_LBP_WS10)); 3265 dadeleteflag(softc, DA_DELETE_UNMAP, 3266 (lbp->flags & SVPD_LBP_UNMAP)); 3267 } else { 3268 int error; 3269 error = daerror(done_ccb, CAM_RETRY_SELTO, 3270 SF_RETRY_UA|SF_NO_PRINT); 3271 if (error == ERESTART) 3272 return; 3273 else if (error != 0) { 3274 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3275 /* Don't wedge this device's queue */ 3276 cam_release_devq(done_ccb->ccb_h.path, 3277 /*relsim_flags*/0, 3278 /*reduction*/0, 3279 /*timeout*/0, 3280 /*getcount_only*/0); 3281 } 3282 3283 /* 3284 * Failure indicates we don't support any SBC-3 3285 * delete methods with UNMAP 3286 */ 3287 } 3288 } 3289 3290 free(lbp, M_SCSIDA); 3291 xpt_release_ccb(done_ccb); 3292 softc->state = DA_STATE_PROBE_BLK_LIMITS; 3293 xpt_schedule(periph, priority); 3294 return; 3295 } 3296 case DA_CCB_PROBE_BLK_LIMITS: 3297 { 3298 struct scsi_vpd_block_limits *block_limits; 3299 3300 block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr; 3301 3302 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3303 uint32_t max_txfer_len = scsi_4btoul( 3304 block_limits->max_txfer_len); 3305 uint32_t max_unmap_lba_cnt = scsi_4btoul( 3306 block_limits->max_unmap_lba_cnt); 3307 uint32_t max_unmap_blk_cnt = scsi_4btoul( 3308 block_limits->max_unmap_blk_cnt); 3309 uint64_t ws_max_blks = scsi_8btou64( 3310 block_limits->max_write_same_length); 3311 3312 if (max_txfer_len != 0) { 3313 softc->disk->d_maxsize = MIN(softc->maxio, 3314 (off_t)max_txfer_len * softc->params.secsize); 3315 } 3316 3317 /* 3318 * We should already support UNMAP but we check lba 3319 * and block count to be sure 3320 */ 3321 if (max_unmap_lba_cnt != 0x00L && 3322 max_unmap_blk_cnt != 0x00L) { 3323 softc->unmap_max_lba = max_unmap_lba_cnt; 3324 softc->unmap_max_ranges = min(max_unmap_blk_cnt, 3325 UNMAP_MAX_RANGES); 3326 } else { 3327 /* 3328 * Unexpected UNMAP limits which means the 3329 * device doesn't actually support UNMAP 3330 */ 3331 dadeleteflag(softc, DA_DELETE_UNMAP, 0); 3332 } 3333 3334 if (ws_max_blks != 0x00L) 3335 softc->ws_max_blks = ws_max_blks; 3336 } else { 3337 int error; 3338 error = daerror(done_ccb, CAM_RETRY_SELTO, 3339 SF_RETRY_UA|SF_NO_PRINT); 3340 if (error == ERESTART) 3341 return; 3342 else if (error != 0) { 3343 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3344 /* Don't wedge this device's queue */ 3345 cam_release_devq(done_ccb->ccb_h.path, 3346 /*relsim_flags*/0, 3347 /*reduction*/0, 3348 /*timeout*/0, 3349 /*getcount_only*/0); 3350 } 3351 3352 /* 3353 * Failure here doesn't mean UNMAP is not 3354 * supported as this is an optional page. 3355 */ 3356 softc->unmap_max_lba = 1; 3357 softc->unmap_max_ranges = 1; 3358 } 3359 } 3360 3361 free(block_limits, M_SCSIDA); 3362 xpt_release_ccb(done_ccb); 3363 softc->state = DA_STATE_PROBE_BDC; 3364 xpt_schedule(periph, priority); 3365 return; 3366 } 3367 case DA_CCB_PROBE_BDC: 3368 { 3369 struct scsi_vpd_block_characteristics *bdc; 3370 3371 bdc = (struct scsi_vpd_block_characteristics *)csio->data_ptr; 3372 3373 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3374 /* 3375 * Disable queue sorting for non-rotational media 3376 * by default. 3377 */ 3378 u_int16_t old_rate = softc->disk->d_rotation_rate; 3379 3380 softc->disk->d_rotation_rate = 3381 scsi_2btoul(bdc->medium_rotation_rate); 3382 if (softc->disk->d_rotation_rate == 3383 SVPD_BDC_RATE_NON_ROTATING) { 3384 softc->sort_io_queue = 0; 3385 } 3386 if (softc->disk->d_rotation_rate != old_rate) { 3387 disk_attr_changed(softc->disk, 3388 "GEOM::rotation_rate", M_NOWAIT); 3389 } 3390 } else { 3391 int error; 3392 error = daerror(done_ccb, CAM_RETRY_SELTO, 3393 SF_RETRY_UA|SF_NO_PRINT); 3394 if (error == ERESTART) 3395 return; 3396 else if (error != 0) { 3397 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3398 /* Don't wedge this device's queue */ 3399 cam_release_devq(done_ccb->ccb_h.path, 3400 /*relsim_flags*/0, 3401 /*reduction*/0, 3402 /*timeout*/0, 3403 /*getcount_only*/0); 3404 } 3405 } 3406 } 3407 3408 free(bdc, M_SCSIDA); 3409 xpt_release_ccb(done_ccb); 3410 softc->state = DA_STATE_PROBE_ATA; 3411 xpt_schedule(periph, priority); 3412 return; 3413 } 3414 case DA_CCB_PROBE_ATA: 3415 { 3416 int i; 3417 struct ata_params *ata_params; 3418 int16_t *ptr; 3419 3420 ata_params = (struct ata_params *)csio->data_ptr; 3421 ptr = (uint16_t *)ata_params; 3422 3423 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3424 uint16_t old_rate; 3425 3426 for (i = 0; i < sizeof(*ata_params) / 2; i++) 3427 ptr[i] = le16toh(ptr[i]); 3428 if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM && 3429 (softc->quirks & DA_Q_NO_UNMAP) == 0) { 3430 dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1); 3431 if (ata_params->max_dsm_blocks != 0) 3432 softc->trim_max_ranges = min( 3433 softc->trim_max_ranges, 3434 ata_params->max_dsm_blocks * 3435 ATA_DSM_BLK_RANGES); 3436 } 3437 /* 3438 * Disable queue sorting for non-rotational media 3439 * by default. 3440 */ 3441 old_rate = softc->disk->d_rotation_rate; 3442 softc->disk->d_rotation_rate = 3443 ata_params->media_rotation_rate; 3444 if (softc->disk->d_rotation_rate == 3445 ATA_RATE_NON_ROTATING) { 3446 softc->sort_io_queue = 0; 3447 } 3448 3449 if (softc->disk->d_rotation_rate != old_rate) { 3450 disk_attr_changed(softc->disk, 3451 "GEOM::rotation_rate", M_NOWAIT); 3452 } 3453 } else { 3454 int error; 3455 error = daerror(done_ccb, CAM_RETRY_SELTO, 3456 SF_RETRY_UA|SF_NO_PRINT); 3457 if (error == ERESTART) 3458 return; 3459 else if (error != 0) { 3460 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3461 /* Don't wedge this device's queue */ 3462 cam_release_devq(done_ccb->ccb_h.path, 3463 /*relsim_flags*/0, 3464 /*reduction*/0, 3465 /*timeout*/0, 3466 /*getcount_only*/0); 3467 } 3468 } 3469 } 3470 3471 free(ata_params, M_SCSIDA); 3472 daprobedone(periph, done_ccb); 3473 return; 3474 } 3475 case DA_CCB_DUMP: 3476 /* No-op. We're polling */ 3477 return; 3478 case DA_CCB_TUR: 3479 { 3480 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 3481 3482 if (daerror(done_ccb, CAM_RETRY_SELTO, 3483 SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) == 3484 ERESTART) 3485 return; 3486 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 3487 cam_release_devq(done_ccb->ccb_h.path, 3488 /*relsim_flags*/0, 3489 /*reduction*/0, 3490 /*timeout*/0, 3491 /*getcount_only*/0); 3492 } 3493 xpt_release_ccb(done_ccb); 3494 cam_periph_release_locked(periph); 3495 return; 3496 } 3497 default: 3498 break; 3499 } 3500 xpt_release_ccb(done_ccb); 3501 } 3502 3503 static void 3504 dareprobe(struct cam_periph *periph) 3505 { 3506 struct da_softc *softc; 3507 cam_status status; 3508 3509 softc = (struct da_softc *)periph->softc; 3510 3511 /* Probe in progress; don't interfere. */ 3512 if (softc->state != DA_STATE_NORMAL) 3513 return; 3514 3515 status = cam_periph_acquire(periph); 3516 KASSERT(status == CAM_REQ_CMP, 3517 ("dareprobe: cam_periph_acquire failed")); 3518 3519 if (softc->flags & DA_FLAG_CAN_RC16) 3520 softc->state = DA_STATE_PROBE_RC16; 3521 else 3522 softc->state = DA_STATE_PROBE_RC; 3523 3524 xpt_schedule(periph, CAM_PRIORITY_DEV); 3525 } 3526 3527 static int 3528 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3529 { 3530 struct da_softc *softc; 3531 struct cam_periph *periph; 3532 int error, error_code, sense_key, asc, ascq; 3533 3534 periph = xpt_path_periph(ccb->ccb_h.path); 3535 softc = (struct da_softc *)periph->softc; 3536 3537 /* 3538 * Automatically detect devices that do not support 3539 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs. 3540 */ 3541 error = 0; 3542 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3543 error = cmd6workaround(ccb); 3544 } else if (scsi_extract_sense_ccb(ccb, 3545 &error_code, &sense_key, &asc, &ascq)) { 3546 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3547 error = cmd6workaround(ccb); 3548 /* 3549 * If the target replied with CAPACITY DATA HAS CHANGED UA, 3550 * query the capacity and notify upper layers. 3551 */ 3552 else if (sense_key == SSD_KEY_UNIT_ATTENTION && 3553 asc == 0x2A && ascq == 0x09) { 3554 xpt_print(periph->path, "Capacity data has changed\n"); 3555 softc->flags &= ~DA_FLAG_PROBED; 3556 dareprobe(periph); 3557 sense_flags |= SF_NO_PRINT; 3558 } else if (sense_key == SSD_KEY_UNIT_ATTENTION && 3559 asc == 0x28 && ascq == 0x00) { 3560 softc->flags &= ~DA_FLAG_PROBED; 3561 disk_media_changed(softc->disk, M_NOWAIT); 3562 } else if (sense_key == SSD_KEY_UNIT_ATTENTION && 3563 asc == 0x3F && ascq == 0x03) { 3564 xpt_print(periph->path, "INQUIRY data has changed\n"); 3565 softc->flags &= ~DA_FLAG_PROBED; 3566 dareprobe(periph); 3567 sense_flags |= SF_NO_PRINT; 3568 } else if (sense_key == SSD_KEY_NOT_READY && 3569 asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) { 3570 softc->flags |= DA_FLAG_PACK_INVALID; 3571 disk_media_gone(softc->disk, M_NOWAIT); 3572 } 3573 } 3574 if (error == ERESTART) 3575 return (ERESTART); 3576 3577 /* 3578 * XXX 3579 * Until we have a better way of doing pack validation, 3580 * don't treat UAs as errors. 3581 */ 3582 sense_flags |= SF_RETRY_UA; 3583 return(cam_periph_error(ccb, cam_flags, sense_flags, 3584 &softc->saved_ccb)); 3585 } 3586 3587 static void 3588 damediapoll(void *arg) 3589 { 3590 struct cam_periph *periph = arg; 3591 struct da_softc *softc = periph->softc; 3592 3593 if (!softc->tur && LIST_EMPTY(&softc->pending_ccbs)) { 3594 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 3595 softc->tur = 1; 3596 daschedule(periph); 3597 } 3598 } 3599 /* Queue us up again */ 3600 if (da_poll_period != 0) 3601 callout_schedule(&softc->mediapoll_c, da_poll_period * hz); 3602 } 3603 3604 static void 3605 daprevent(struct cam_periph *periph, int action) 3606 { 3607 struct da_softc *softc; 3608 union ccb *ccb; 3609 int error; 3610 3611 softc = (struct da_softc *)periph->softc; 3612 3613 if (((action == PR_ALLOW) 3614 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0) 3615 || ((action == PR_PREVENT) 3616 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) { 3617 return; 3618 } 3619 3620 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3621 3622 scsi_prevent(&ccb->csio, 3623 /*retries*/1, 3624 /*cbcfp*/dadone, 3625 MSG_SIMPLE_Q_TAG, 3626 action, 3627 SSD_FULL_SIZE, 3628 5000); 3629 3630 error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO, 3631 SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat); 3632 3633 if (error == 0) { 3634 if (action == PR_ALLOW) 3635 softc->flags &= ~DA_FLAG_PACK_LOCKED; 3636 else 3637 softc->flags |= DA_FLAG_PACK_LOCKED; 3638 } 3639 3640 xpt_release_ccb(ccb); 3641 } 3642 3643 static void 3644 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector, 3645 struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len) 3646 { 3647 struct ccb_calc_geometry ccg; 3648 struct da_softc *softc; 3649 struct disk_params *dp; 3650 u_int lbppbe, lalba; 3651 int error; 3652 3653 softc = (struct da_softc *)periph->softc; 3654 3655 dp = &softc->params; 3656 dp->secsize = block_len; 3657 dp->sectors = maxsector + 1; 3658 if (rcaplong != NULL) { 3659 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE; 3660 lalba = scsi_2btoul(rcaplong->lalba_lbp); 3661 lalba &= SRC16_LALBA_A; 3662 } else { 3663 lbppbe = 0; 3664 lalba = 0; 3665 } 3666 3667 if (lbppbe > 0) { 3668 dp->stripesize = block_len << lbppbe; 3669 dp->stripeoffset = (dp->stripesize - block_len * lalba) % 3670 dp->stripesize; 3671 } else if (softc->quirks & DA_Q_4K) { 3672 dp->stripesize = 4096; 3673 dp->stripeoffset = 0; 3674 } else { 3675 dp->stripesize = 0; 3676 dp->stripeoffset = 0; 3677 } 3678 /* 3679 * Have the controller provide us with a geometry 3680 * for this disk. The only time the geometry 3681 * matters is when we boot and the controller 3682 * is the only one knowledgeable enough to come 3683 * up with something that will make this a bootable 3684 * device. 3685 */ 3686 xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 3687 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY; 3688 ccg.block_size = dp->secsize; 3689 ccg.volume_size = dp->sectors; 3690 ccg.heads = 0; 3691 ccg.secs_per_track = 0; 3692 ccg.cylinders = 0; 3693 xpt_action((union ccb*)&ccg); 3694 if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 3695 /* 3696 * We don't know what went wrong here- but just pick 3697 * a geometry so we don't have nasty things like divide 3698 * by zero. 3699 */ 3700 dp->heads = 255; 3701 dp->secs_per_track = 255; 3702 dp->cylinders = dp->sectors / (255 * 255); 3703 if (dp->cylinders == 0) { 3704 dp->cylinders = 1; 3705 } 3706 } else { 3707 dp->heads = ccg.heads; 3708 dp->secs_per_track = ccg.secs_per_track; 3709 dp->cylinders = ccg.cylinders; 3710 } 3711 3712 /* 3713 * If the user supplied a read capacity buffer, and if it is 3714 * different than the previous buffer, update the data in the EDT. 3715 * If it's the same, we don't bother. This avoids sending an 3716 * update every time someone opens this device. 3717 */ 3718 if ((rcaplong != NULL) 3719 && (bcmp(rcaplong, &softc->rcaplong, 3720 min(sizeof(softc->rcaplong), rcap_len)) != 0)) { 3721 struct ccb_dev_advinfo cdai; 3722 3723 xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 3724 cdai.ccb_h.func_code = XPT_DEV_ADVINFO; 3725 cdai.buftype = CDAI_TYPE_RCAPLONG; 3726 cdai.flags |= CDAI_FLAG_STORE; 3727 cdai.bufsiz = rcap_len; 3728 cdai.buf = (uint8_t *)rcaplong; 3729 xpt_action((union ccb *)&cdai); 3730 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0) 3731 cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE); 3732 if (cdai.ccb_h.status != CAM_REQ_CMP) { 3733 xpt_print(periph->path, "%s: failed to set read " 3734 "capacity advinfo\n", __func__); 3735 /* Use cam_error_print() to decode the status */ 3736 cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS, 3737 CAM_EPF_ALL); 3738 } else { 3739 bcopy(rcaplong, &softc->rcaplong, 3740 min(sizeof(softc->rcaplong), rcap_len)); 3741 } 3742 } 3743 3744 softc->disk->d_sectorsize = softc->params.secsize; 3745 softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors; 3746 softc->disk->d_stripesize = softc->params.stripesize; 3747 softc->disk->d_stripeoffset = softc->params.stripeoffset; 3748 /* XXX: these are not actually "firmware" values, so they may be wrong */ 3749 softc->disk->d_fwsectors = softc->params.secs_per_track; 3750 softc->disk->d_fwheads = softc->params.heads; 3751 softc->disk->d_devstat->block_size = softc->params.secsize; 3752 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 3753 3754 error = disk_resize(softc->disk, M_NOWAIT); 3755 if (error != 0) 3756 xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error); 3757 } 3758 3759 static void 3760 dasendorderedtag(void *arg) 3761 { 3762 struct da_softc *softc = arg; 3763 3764 if (da_send_ordered) { 3765 if (!LIST_EMPTY(&softc->pending_ccbs)) { 3766 if ((softc->flags & DA_FLAG_WAS_OTAG) == 0) 3767 softc->flags |= DA_FLAG_NEED_OTAG; 3768 softc->flags &= ~DA_FLAG_WAS_OTAG; 3769 } 3770 } 3771 /* Queue us up again */ 3772 callout_reset(&softc->sendordered_c, 3773 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL, 3774 dasendorderedtag, softc); 3775 } 3776 3777 /* 3778 * Step through all DA peripheral drivers, and if the device is still open, 3779 * sync the disk cache to physical media. 3780 */ 3781 static void 3782 dashutdown(void * arg, int howto) 3783 { 3784 struct cam_periph *periph; 3785 struct da_softc *softc; 3786 union ccb *ccb; 3787 int error; 3788 3789 CAM_PERIPH_FOREACH(periph, &dadriver) { 3790 softc = (struct da_softc *)periph->softc; 3791 if (SCHEDULER_STOPPED()) { 3792 /* If we paniced with the lock held, do not recurse. */ 3793 if (!cam_periph_owned(periph) && 3794 (softc->flags & DA_FLAG_OPEN)) { 3795 dadump(softc->disk, NULL, 0, 0, 0); 3796 } 3797 continue; 3798 } 3799 cam_periph_lock(periph); 3800 3801 /* 3802 * We only sync the cache if the drive is still open, and 3803 * if the drive is capable of it.. 3804 */ 3805 if (((softc->flags & DA_FLAG_OPEN) == 0) 3806 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) { 3807 cam_periph_unlock(periph); 3808 continue; 3809 } 3810 3811 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3812 scsi_synchronize_cache(&ccb->csio, 3813 /*retries*/0, 3814 /*cbfcnp*/dadone, 3815 MSG_SIMPLE_Q_TAG, 3816 /*begin_lba*/0, /* whole disk */ 3817 /*lb_count*/0, 3818 SSD_FULL_SIZE, 3819 60 * 60 * 1000); 3820 3821 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0, 3822 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, 3823 softc->disk->d_devstat); 3824 if (error != 0) 3825 xpt_print(periph->path, "Synchronize cache failed\n"); 3826 xpt_release_ccb(ccb); 3827 cam_periph_unlock(periph); 3828 } 3829 } 3830 3831 #else /* !_KERNEL */ 3832 3833 /* 3834 * XXX This is only left out of the kernel build to silence warnings. If, 3835 * for some reason this function is used in the kernel, the ifdefs should 3836 * be moved so it is included both in the kernel and userland. 3837 */ 3838 void 3839 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries, 3840 void (*cbfcnp)(struct cam_periph *, union ccb *), 3841 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave, 3842 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3843 u_int32_t timeout) 3844 { 3845 struct scsi_format_unit *scsi_cmd; 3846 3847 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes; 3848 scsi_cmd->opcode = FORMAT_UNIT; 3849 scsi_cmd->byte2 = byte2; 3850 scsi_ulto2b(ileave, scsi_cmd->interleave); 3851 3852 cam_fill_csio(csio, 3853 retries, 3854 cbfcnp, 3855 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 3856 tag_action, 3857 data_ptr, 3858 dxfer_len, 3859 sense_len, 3860 sizeof(*scsi_cmd), 3861 timeout); 3862 } 3863 3864 void 3865 scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries, 3866 void (*cbfcnp)(struct cam_periph *, union ccb *), 3867 u_int8_t tag_action, u_int8_t byte2, u_int16_t control, 3868 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3869 u_int32_t timeout) 3870 { 3871 struct scsi_sanitize *scsi_cmd; 3872 3873 scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes; 3874 scsi_cmd->opcode = SANITIZE; 3875 scsi_cmd->byte2 = byte2; 3876 scsi_cmd->control = control; 3877 scsi_ulto2b(dxfer_len, scsi_cmd->length); 3878 3879 cam_fill_csio(csio, 3880 retries, 3881 cbfcnp, 3882 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 3883 tag_action, 3884 data_ptr, 3885 dxfer_len, 3886 sense_len, 3887 sizeof(*scsi_cmd), 3888 timeout); 3889 } 3890 3891 #endif /* _KERNEL */ 3892