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