Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]
FreeBSD/Linux Kernel Cross Reference
sys/cam/scsi/scsi_da.c
Version:
- FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10
SearchContext: - none - 3 - 10
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 <geom/geom_disk.h> 49 #endif /* _KERNEL */ 50 51 #ifndef _KERNEL 52 #include <stdio.h> 53 #include <string.h> 54 #endif /* _KERNEL */ 55 56 #include <cam/cam.h> 57 #include <cam/cam_ccb.h> 58 #include <cam/cam_periph.h> 59 #include <cam/cam_xpt_periph.h> 60 #include <cam/cam_sim.h> 61 62 #include <cam/scsi/scsi_message.h> 63 64 #ifndef _KERNEL 65 #include <cam/scsi/scsi_da.h> 66 #endif /* !_KERNEL */ 67 68 #ifdef _KERNEL 69 typedef enum { 70 DA_STATE_PROBE_RC, 71 DA_STATE_PROBE_RC16, 72 DA_STATE_PROBE_LBP, 73 DA_STATE_PROBE_BLK_LIMITS, 74 DA_STATE_PROBE_BDC, 75 DA_STATE_PROBE_ATA, 76 DA_STATE_NORMAL 77 } da_state; 78 79 typedef enum { 80 DA_FLAG_PACK_INVALID = 0x001, 81 DA_FLAG_NEW_PACK = 0x002, 82 DA_FLAG_PACK_LOCKED = 0x004, 83 DA_FLAG_PACK_REMOVABLE = 0x008, 84 DA_FLAG_NEED_OTAG = 0x020, 85 DA_FLAG_WENT_IDLE = 0x040, 86 DA_FLAG_RETRY_UA = 0x080, 87 DA_FLAG_OPEN = 0x100, 88 DA_FLAG_SCTX_INIT = 0x200, 89 DA_FLAG_CAN_RC16 = 0x400 90 } da_flags; 91 92 typedef enum { 93 DA_Q_NONE = 0x00, 94 DA_Q_NO_SYNC_CACHE = 0x01, 95 DA_Q_NO_6_BYTE = 0x02, 96 DA_Q_NO_PREVENT = 0x04, 97 DA_Q_4K = 0x08 98 } da_quirks; 99 100 #define DA_Q_BIT_STRING \ 101 "\020" \ 102 "\001NO_SYNC_CACHE" \ 103 "\002NO_6_BYTE" \ 104 "\003NO_PREVENT" \ 105 "\0044K" 106 107 typedef enum { 108 DA_CCB_PROBE_RC = 0x01, 109 DA_CCB_PROBE_RC16 = 0x02, 110 DA_CCB_PROBE_LBP = 0x03, 111 DA_CCB_PROBE_BLK_LIMITS = 0x04, 112 DA_CCB_PROBE_BDC = 0x05, 113 DA_CCB_PROBE_ATA = 0x06, 114 DA_CCB_BUFFER_IO = 0x07, 115 DA_CCB_WAITING = 0x08, 116 DA_CCB_DUMP = 0x0A, 117 DA_CCB_DELETE = 0x0B, 118 DA_CCB_TYPE_MASK = 0x0F, 119 DA_CCB_RETRY_UA = 0x10 120 } da_ccb_state; 121 122 /* 123 * Order here is important for method choice 124 * 125 * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to 126 * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes 127 * using ATA_TRIM than the corresponding UNMAP results for a real world mysql 128 * import taking 5mins. 129 * 130 */ 131 typedef enum { 132 DA_DELETE_NONE, 133 DA_DELETE_DISABLE, 134 DA_DELETE_ATA_TRIM, 135 DA_DELETE_UNMAP, 136 DA_DELETE_WS16, 137 DA_DELETE_WS10, 138 DA_DELETE_ZERO, 139 DA_DELETE_MIN = DA_DELETE_ATA_TRIM, 140 DA_DELETE_MAX = DA_DELETE_ZERO 141 } da_delete_methods; 142 143 static const char *da_delete_method_names[] = 144 { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" }; 145 static const char *da_delete_method_desc[] = 146 { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP", 147 "WRITE SAME(10) with UNMAP", "ZERO" }; 148 149 /* Offsets into our private area for storing information */ 150 #define ccb_state ppriv_field0 151 #define ccb_bp ppriv_ptr1 152 153 struct disk_params { 154 u_int8_t heads; 155 u_int32_t cylinders; 156 u_int8_t secs_per_track; 157 u_int32_t secsize; /* Number of bytes/sector */ 158 u_int64_t sectors; /* total number sectors */ 159 u_int stripesize; 160 u_int stripeoffset; 161 }; 162 163 #define UNMAP_RANGE_MAX 0xffffffff 164 #define UNMAP_HEAD_SIZE 8 165 #define UNMAP_RANGE_SIZE 16 166 #define UNMAP_MAX_RANGES 2048 /* Protocol Max is 4095 */ 167 #define UNMAP_BUF_SIZE ((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \ 168 UNMAP_HEAD_SIZE) 169 170 #define WS10_MAX_BLKS 0xffff 171 #define WS16_MAX_BLKS 0xffffffff 172 #define ATA_TRIM_MAX_RANGES ((UNMAP_BUF_SIZE / \ 173 (ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE) 174 175 struct da_softc { 176 struct bio_queue_head bio_queue; 177 struct bio_queue_head delete_queue; 178 struct bio_queue_head delete_run_queue; 179 SLIST_ENTRY(da_softc) links; 180 LIST_HEAD(, ccb_hdr) pending_ccbs; 181 da_state state; 182 da_flags flags; 183 da_quirks quirks; 184 int sort_io_queue; 185 int minimum_cmd_size; 186 int error_inject; 187 int ordered_tag_count; 188 int outstanding_cmds; 189 int trim_max_ranges; 190 int delete_running; 191 int delete_available; /* Delete methods possibly available */ 192 uint32_t unmap_max_ranges; 193 uint32_t unmap_max_lba; 194 uint64_t ws_max_blks; 195 da_delete_methods delete_method; 196 struct disk_params params; 197 struct disk *disk; 198 union ccb saved_ccb; 199 struct task sysctl_task; 200 struct sysctl_ctx_list sysctl_ctx; 201 struct sysctl_oid *sysctl_tree; 202 struct callout sendordered_c; 203 uint64_t wwpn; 204 uint8_t unmap_buf[UNMAP_BUF_SIZE]; 205 }; 206 207 #define dadeleteflag(softc, delete_method, enable) \ 208 if (enable) { \ 209 softc->delete_available |= (1 << delete_method); \ 210 } else { \ 211 softc->delete_available &= ~(1 << delete_method); \ 212 } 213 214 struct da_quirk_entry { 215 struct scsi_inquiry_pattern inq_pat; 216 da_quirks quirks; 217 }; 218 219 static const char quantum[] = "QUANTUM"; 220 static const char microp[] = "MICROP"; 221 222 static struct da_quirk_entry da_quirk_table[] = 223 { 224 /* SPI, FC devices */ 225 { 226 /* 227 * Fujitsu M2513A MO drives. 228 * Tested devices: M2513A2 firmware versions 1200 & 1300. 229 * (dip switch selects whether T_DIRECT or T_OPTICAL device) 230 * Reported by: W.Scholten <whs@xs4all.nl> 231 */ 232 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 233 /*quirks*/ DA_Q_NO_SYNC_CACHE 234 }, 235 { 236 /* See above. */ 237 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 238 /*quirks*/ DA_Q_NO_SYNC_CACHE 239 }, 240 { 241 /* 242 * This particular Fujitsu drive doesn't like the 243 * synchronize cache command. 244 * Reported by: Tom Jackson <toj@gorilla.net> 245 */ 246 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"}, 247 /*quirks*/ DA_Q_NO_SYNC_CACHE 248 }, 249 { 250 /* 251 * This drive doesn't like the synchronize cache command 252 * either. Reported by: Matthew Jacob <mjacob@feral.com> 253 * in NetBSD PR kern/6027, August 24, 1998. 254 */ 255 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"}, 256 /*quirks*/ DA_Q_NO_SYNC_CACHE 257 }, 258 { 259 /* 260 * This drive doesn't like the synchronize cache command 261 * either. Reported by: Hellmuth Michaelis (hm@kts.org) 262 * (PR 8882). 263 */ 264 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"}, 265 /*quirks*/ DA_Q_NO_SYNC_CACHE 266 }, 267 { 268 /* 269 * Doesn't like the synchronize cache command. 270 * Reported by: Blaz Zupan <blaz@gold.amis.net> 271 */ 272 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"}, 273 /*quirks*/ DA_Q_NO_SYNC_CACHE 274 }, 275 { 276 /* 277 * Doesn't like the synchronize cache command. 278 * Reported by: Blaz Zupan <blaz@gold.amis.net> 279 */ 280 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"}, 281 /*quirks*/ DA_Q_NO_SYNC_CACHE 282 }, 283 { 284 /* 285 * Doesn't like the synchronize cache command. 286 */ 287 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"}, 288 /*quirks*/ DA_Q_NO_SYNC_CACHE 289 }, 290 { 291 /* 292 * Doesn't like the synchronize cache command. 293 * Reported by: walter@pelissero.de 294 */ 295 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"}, 296 /*quirks*/ DA_Q_NO_SYNC_CACHE 297 }, 298 { 299 /* 300 * Doesn't work correctly with 6 byte reads/writes. 301 * Returns illegal request, and points to byte 9 of the 302 * 6-byte CDB. 303 * Reported by: Adam McDougall <bsdx@spawnet.com> 304 */ 305 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"}, 306 /*quirks*/ DA_Q_NO_6_BYTE 307 }, 308 { 309 /* See above. */ 310 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"}, 311 /*quirks*/ DA_Q_NO_6_BYTE 312 }, 313 { 314 /* 315 * Doesn't like the synchronize cache command. 316 * Reported by: walter@pelissero.de 317 */ 318 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"}, 319 /*quirks*/ DA_Q_NO_SYNC_CACHE 320 }, 321 { 322 /* 323 * The CISS RAID controllers do not support SYNC_CACHE 324 */ 325 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"}, 326 /*quirks*/ DA_Q_NO_SYNC_CACHE 327 }, 328 /* USB mass storage devices supported by umass(4) */ 329 { 330 /* 331 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player 332 * PR: kern/51675 333 */ 334 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"}, 335 /*quirks*/ DA_Q_NO_SYNC_CACHE 336 }, 337 { 338 /* 339 * Power Quotient Int. (PQI) USB flash key 340 * PR: kern/53067 341 */ 342 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*", 343 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 344 }, 345 { 346 /* 347 * Creative Nomad MUVO mp3 player (USB) 348 * PR: kern/53094 349 */ 350 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"}, 351 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 352 }, 353 { 354 /* 355 * Jungsoft NEXDISK USB flash key 356 * PR: kern/54737 357 */ 358 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"}, 359 /*quirks*/ DA_Q_NO_SYNC_CACHE 360 }, 361 { 362 /* 363 * FreeDik USB Mini Data Drive 364 * PR: kern/54786 365 */ 366 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive", 367 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 368 }, 369 { 370 /* 371 * Sigmatel USB Flash MP3 Player 372 * PR: kern/57046 373 */ 374 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"}, 375 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 376 }, 377 { 378 /* 379 * Neuros USB Digital Audio Computer 380 * PR: kern/63645 381 */ 382 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.", 383 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 384 }, 385 { 386 /* 387 * SEAGRAND NP-900 MP3 Player 388 * PR: kern/64563 389 */ 390 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"}, 391 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 392 }, 393 { 394 /* 395 * iRiver iFP MP3 player (with UMS Firmware) 396 * PR: kern/54881, i386/63941, kern/66124 397 */ 398 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"}, 399 /*quirks*/ DA_Q_NO_SYNC_CACHE 400 }, 401 { 402 /* 403 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01 404 * PR: kern/70158 405 */ 406 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"}, 407 /*quirks*/ DA_Q_NO_SYNC_CACHE 408 }, 409 { 410 /* 411 * ZICPlay USB MP3 Player with FM 412 * PR: kern/75057 413 */ 414 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"}, 415 /*quirks*/ DA_Q_NO_SYNC_CACHE 416 }, 417 { 418 /* 419 * TEAC USB floppy mechanisms 420 */ 421 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"}, 422 /*quirks*/ DA_Q_NO_SYNC_CACHE 423 }, 424 { 425 /* 426 * Kingston DataTraveler II+ USB Pen-Drive. 427 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org> 428 */ 429 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+", 430 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 431 }, 432 { 433 /* 434 * USB DISK Pro PMAP 435 * Reported by: jhs 436 * PR: usb/96381 437 */ 438 {T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"}, 439 /*quirks*/ DA_Q_NO_SYNC_CACHE 440 }, 441 { 442 /* 443 * Motorola E398 Mobile Phone (TransFlash memory card). 444 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl> 445 * PR: usb/89889 446 */ 447 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone", 448 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 449 }, 450 { 451 /* 452 * Qware BeatZkey! Pro 453 * PR: usb/79164 454 */ 455 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE", 456 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 457 }, 458 { 459 /* 460 * Time DPA20B 1GB MP3 Player 461 * PR: usb/81846 462 */ 463 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*", 464 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 465 }, 466 { 467 /* 468 * Samsung USB key 128Mb 469 * PR: usb/90081 470 */ 471 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb", 472 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 473 }, 474 { 475 /* 476 * Kingston DataTraveler 2.0 USB Flash memory. 477 * PR: usb/89196 478 */ 479 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0", 480 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 481 }, 482 { 483 /* 484 * Creative MUVO Slim mp3 player (USB) 485 * PR: usb/86131 486 */ 487 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim", 488 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 489 }, 490 { 491 /* 492 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3) 493 * PR: usb/80487 494 */ 495 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK", 496 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 497 }, 498 { 499 /* 500 * SanDisk Micro Cruzer 128MB 501 * PR: usb/75970 502 */ 503 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer", 504 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 505 }, 506 { 507 /* 508 * TOSHIBA TransMemory USB sticks 509 * PR: kern/94660 510 */ 511 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory", 512 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 513 }, 514 { 515 /* 516 * PNY USB Flash keys 517 * PR: usb/75578, usb/72344, usb/65436 518 */ 519 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*", 520 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 521 }, 522 { 523 /* 524 * Genesys 6-in-1 Card Reader 525 * PR: usb/94647 526 */ 527 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*", 528 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 529 }, 530 { 531 /* 532 * Rekam Digital CAMERA 533 * PR: usb/98713 534 */ 535 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*", 536 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 537 }, 538 { 539 /* 540 * iRiver H10 MP3 player 541 * PR: usb/102547 542 */ 543 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*", 544 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 545 }, 546 { 547 /* 548 * iRiver U10 MP3 player 549 * PR: usb/92306 550 */ 551 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*", 552 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 553 }, 554 { 555 /* 556 * X-Micro Flash Disk 557 * PR: usb/96901 558 */ 559 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk", 560 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 561 }, 562 { 563 /* 564 * EasyMP3 EM732X USB 2.0 Flash MP3 Player 565 * PR: usb/96546 566 */ 567 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*", 568 "1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 569 }, 570 { 571 /* 572 * Denver MP3 player 573 * PR: usb/107101 574 */ 575 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER", 576 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 577 }, 578 { 579 /* 580 * Philips USB Key Audio KEY013 581 * PR: usb/68412 582 */ 583 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"}, 584 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT 585 }, 586 { 587 /* 588 * JNC MP3 Player 589 * PR: usb/94439 590 */ 591 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*", 592 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 593 }, 594 { 595 /* 596 * SAMSUNG MP0402H 597 * PR: usb/108427 598 */ 599 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"}, 600 /*quirks*/ DA_Q_NO_SYNC_CACHE 601 }, 602 { 603 /* 604 * I/O Magic USB flash - Giga Bank 605 * PR: usb/108810 606 */ 607 {T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"}, 608 /*quirks*/ DA_Q_NO_SYNC_CACHE 609 }, 610 { 611 /* 612 * JoyFly 128mb USB Flash Drive 613 * PR: 96133 614 */ 615 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*", 616 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 617 }, 618 { 619 /* 620 * ChipsBnk usb stick 621 * PR: 103702 622 */ 623 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*", 624 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 625 }, 626 { 627 /* 628 * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A 629 * PR: 129858 630 */ 631 {T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*", 632 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 633 }, 634 { 635 /* 636 * Samsung YP-U3 mp3-player 637 * PR: 125398 638 */ 639 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3", 640 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 641 }, 642 { 643 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*", 644 "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 645 }, 646 { 647 /* 648 * Sony Cyber-Shot DSC cameras 649 * PR: usb/137035 650 */ 651 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"}, 652 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT 653 }, 654 /* ATA/SATA devices over SAS/USB/... */ 655 { 656 /* Hitachi Advanced Format (4k) drives */ 657 { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" }, 658 /*quirks*/DA_Q_4K 659 }, 660 { 661 /* Samsung Advanced Format (4k) drives */ 662 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" }, 663 /*quirks*/DA_Q_4K 664 }, 665 { 666 /* Samsung Advanced Format (4k) drives */ 667 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" }, 668 /*quirks*/DA_Q_4K 669 }, 670 { 671 /* Samsung Advanced Format (4k) drives */ 672 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" }, 673 /*quirks*/DA_Q_4K 674 }, 675 { 676 /* Samsung Advanced Format (4k) drives */ 677 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" }, 678 /*quirks*/DA_Q_4K 679 }, 680 { 681 /* Seagate Barracuda Green Advanced Format (4k) drives */ 682 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" }, 683 /*quirks*/DA_Q_4K 684 }, 685 { 686 /* Seagate Barracuda Green Advanced Format (4k) drives */ 687 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" }, 688 /*quirks*/DA_Q_4K 689 }, 690 { 691 /* Seagate Barracuda Green Advanced Format (4k) drives */ 692 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" }, 693 /*quirks*/DA_Q_4K 694 }, 695 { 696 /* Seagate Barracuda Green Advanced Format (4k) drives */ 697 { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" }, 698 /*quirks*/DA_Q_4K 699 }, 700 { 701 /* Seagate Barracuda Green Advanced Format (4k) drives */ 702 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" }, 703 /*quirks*/DA_Q_4K 704 }, 705 { 706 /* Seagate Barracuda Green Advanced Format (4k) drives */ 707 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" }, 708 /*quirks*/DA_Q_4K 709 }, 710 { 711 /* Seagate Momentus Advanced Format (4k) drives */ 712 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" }, 713 /*quirks*/DA_Q_4K 714 }, 715 { 716 /* Seagate Momentus Advanced Format (4k) drives */ 717 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" }, 718 /*quirks*/DA_Q_4K 719 }, 720 { 721 /* Seagate Momentus Advanced Format (4k) drives */ 722 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" }, 723 /*quirks*/DA_Q_4K 724 }, 725 { 726 /* Seagate Momentus Advanced Format (4k) drives */ 727 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" }, 728 /*quirks*/DA_Q_4K 729 }, 730 { 731 /* Seagate Momentus Advanced Format (4k) drives */ 732 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" }, 733 /*quirks*/DA_Q_4K 734 }, 735 { 736 /* Seagate Momentus Advanced Format (4k) drives */ 737 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" }, 738 /*quirks*/DA_Q_4K 739 }, 740 { 741 /* Seagate Momentus Advanced Format (4k) drives */ 742 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" }, 743 /*quirks*/DA_Q_4K 744 }, 745 { 746 /* Seagate Momentus Advanced Format (4k) drives */ 747 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" }, 748 /*quirks*/DA_Q_4K 749 }, 750 { 751 /* Seagate Momentus Advanced Format (4k) drives */ 752 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" }, 753 /*quirks*/DA_Q_4K 754 }, 755 { 756 /* Seagate Momentus Advanced Format (4k) drives */ 757 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" }, 758 /*quirks*/DA_Q_4K 759 }, 760 { 761 /* Seagate Momentus Advanced Format (4k) drives */ 762 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" }, 763 /*quirks*/DA_Q_4K 764 }, 765 { 766 /* Seagate Momentus Advanced Format (4k) drives */ 767 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" }, 768 /*quirks*/DA_Q_4K 769 }, 770 { 771 /* Seagate Momentus Advanced Format (4k) drives */ 772 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" }, 773 /*quirks*/DA_Q_4K 774 }, 775 { 776 /* Seagate Momentus Advanced Format (4k) drives */ 777 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" }, 778 /*quirks*/DA_Q_4K 779 }, 780 { 781 /* Seagate Momentus Thin Advanced Format (4k) drives */ 782 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" }, 783 /*quirks*/DA_Q_4K 784 }, 785 { 786 /* Seagate Momentus Thin Advanced Format (4k) drives */ 787 { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" }, 788 /*quirks*/DA_Q_4K 789 }, 790 { 791 /* WDC Caviar Green Advanced Format (4k) drives */ 792 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" }, 793 /*quirks*/DA_Q_4K 794 }, 795 { 796 /* WDC Caviar Green Advanced Format (4k) drives */ 797 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" }, 798 /*quirks*/DA_Q_4K 799 }, 800 { 801 /* WDC Caviar Green Advanced Format (4k) drives */ 802 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" }, 803 /*quirks*/DA_Q_4K 804 }, 805 { 806 /* WDC Caviar Green Advanced Format (4k) drives */ 807 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" }, 808 /*quirks*/DA_Q_4K 809 }, 810 { 811 /* WDC Caviar Green Advanced Format (4k) drives */ 812 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" }, 813 /*quirks*/DA_Q_4K 814 }, 815 { 816 /* WDC Caviar Green Advanced Format (4k) drives */ 817 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" }, 818 /*quirks*/DA_Q_4K 819 }, 820 { 821 /* WDC Caviar Green Advanced Format (4k) drives */ 822 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" }, 823 /*quirks*/DA_Q_4K 824 }, 825 { 826 /* WDC Caviar Green Advanced Format (4k) drives */ 827 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" }, 828 /*quirks*/DA_Q_4K 829 }, 830 { 831 /* WDC Scorpio Black Advanced Format (4k) drives */ 832 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" }, 833 /*quirks*/DA_Q_4K 834 }, 835 { 836 /* WDC Scorpio Black Advanced Format (4k) drives */ 837 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" }, 838 /*quirks*/DA_Q_4K 839 }, 840 { 841 /* WDC Scorpio Black Advanced Format (4k) drives */ 842 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" }, 843 /*quirks*/DA_Q_4K 844 }, 845 { 846 /* WDC Scorpio Black Advanced Format (4k) drives */ 847 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" }, 848 /*quirks*/DA_Q_4K 849 }, 850 { 851 /* WDC Scorpio Blue Advanced Format (4k) drives */ 852 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" }, 853 /*quirks*/DA_Q_4K 854 }, 855 { 856 /* WDC Scorpio Blue Advanced Format (4k) drives */ 857 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" }, 858 /*quirks*/DA_Q_4K 859 }, 860 { 861 /* WDC Scorpio Blue Advanced Format (4k) drives */ 862 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" }, 863 /*quirks*/DA_Q_4K 864 }, 865 { 866 /* WDC Scorpio Blue Advanced Format (4k) drives */ 867 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" }, 868 /*quirks*/DA_Q_4K 869 }, 870 { 871 /* 872 * Olympus FE-210 camera 873 */ 874 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*", 875 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 876 }, 877 { 878 /* 879 * LG UP3S MP3 player 880 */ 881 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S", 882 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 883 }, 884 { 885 /* 886 * Laser MP3-2GA13 MP3 player 887 */ 888 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk", 889 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 890 }, 891 { 892 /* 893 * LaCie external 250GB Hard drive des by Porsche 894 * Submitted by: Ben Stuyts <ben@altesco.nl> 895 * PR: 121474 896 */ 897 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"}, 898 /*quirks*/ DA_Q_NO_SYNC_CACHE 899 }, 900 /* SATA SSDs */ 901 { 902 /* 903 * Corsair Force 2 SSDs 904 * 4k optimised & trim only works in 4k requests + 4k aligned 905 */ 906 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair CSSD-F*", "*" }, 907 /*quirks*/DA_Q_4K 908 }, 909 { 910 /* 911 * Corsair Force 3 SSDs 912 * 4k optimised & trim only works in 4k requests + 4k aligned 913 */ 914 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force 3*", "*" }, 915 /*quirks*/DA_Q_4K 916 }, 917 { 918 /* 919 * Corsair Force GT SSDs 920 * 4k optimised & trim only works in 4k requests + 4k aligned 921 */ 922 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force GT*", "*" }, 923 /*quirks*/DA_Q_4K 924 }, 925 { 926 /* 927 * Crucial M4 SSDs 928 * 4k optimised & trim only works in 4k requests + 4k aligned 929 */ 930 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "M4-CT???M4SSD2*", "*" }, 931 /*quirks*/DA_Q_4K 932 }, 933 { 934 /* 935 * Crucial RealSSD C300 SSDs 936 * 4k optimised 937 */ 938 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "C300-CTFDDAC???MAG*", 939 "*" }, /*quirks*/DA_Q_4K 940 }, 941 { 942 /* 943 * Intel 320 Series SSDs 944 * 4k optimised & trim only works in 4k requests + 4k aligned 945 */ 946 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2CW*", "*" }, 947 /*quirks*/DA_Q_4K 948 }, 949 { 950 /* 951 * Intel 330 Series SSDs 952 * 4k optimised & trim only works in 4k requests + 4k aligned 953 */ 954 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2CT*", "*" }, 955 /*quirks*/DA_Q_4K 956 }, 957 { 958 /* 959 * Intel 510 Series SSDs 960 * 4k optimised & trim only works in 4k requests + 4k aligned 961 */ 962 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2MH*", "*" }, 963 /*quirks*/DA_Q_4K 964 }, 965 { 966 /* 967 * Intel 520 Series SSDs 968 * 4k optimised & trim only works in 4k requests + 4k aligned 969 */ 970 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BW*", "*" }, 971 /*quirks*/DA_Q_4K 972 }, 973 { 974 /* 975 * Kingston E100 Series SSDs 976 * 4k optimised & trim only works in 4k requests + 4k aligned 977 */ 978 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SE100S3*", "*" }, 979 /*quirks*/DA_Q_4K 980 }, 981 { 982 /* 983 * Kingston HyperX 3k SSDs 984 * 4k optimised & trim only works in 4k requests + 4k aligned 985 */ 986 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SH103S3*", "*" }, 987 /*quirks*/DA_Q_4K 988 }, 989 { 990 /* 991 * OCZ Agility 3 SSDs 992 * 4k optimised & trim only works in 4k requests + 4k aligned 993 */ 994 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-AGILITY3*", "*" }, 995 /*quirks*/DA_Q_4K 996 }, 997 { 998 /* 999 * OCZ Deneva R Series SSDs 1000 * 4k optimised & trim only works in 4k requests + 4k aligned 1001 */ 1002 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "DENRSTE251M45*", "*" }, 1003 /*quirks*/DA_Q_4K 1004 }, 1005 { 1006 /* 1007 * OCZ Vertex 2 SSDs (inc pro series) 1008 * 4k optimised & trim only works in 4k requests + 4k aligned 1009 */ 1010 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ?VERTEX2*", "*" }, 1011 /*quirks*/DA_Q_4K 1012 }, 1013 { 1014 /* 1015 * OCZ Vertex 3 SSDs 1016 * 4k optimised & trim only works in 4k requests + 4k aligned 1017 */ 1018 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX3*", "*" }, 1019 /*quirks*/DA_Q_4K 1020 }, 1021 { 1022 /* 1023 * OCZ Vertex 4 SSDs 1024 * 4k optimised & trim only works in 4k requests + 4k aligned 1025 */ 1026 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX4*", "*" }, 1027 /*quirks*/DA_Q_4K 1028 }, 1029 { 1030 /* 1031 * Samsung 830 Series SSDs 1032 * 4k optimised & trim only works in 4k requests + 4k aligned 1033 */ 1034 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG SSD 830 Series*", "*" }, 1035 /*quirks*/DA_Q_4K 1036 }, 1037 { 1038 /* 1039 * SuperTalent TeraDrive CT SSDs 1040 * 4k optimised & trim only works in 4k requests + 4k aligned 1041 */ 1042 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" }, 1043 /*quirks*/DA_Q_4K 1044 }, 1045 { 1046 /* 1047 * XceedIOPS SATA SSDs 1048 * 4k optimised 1049 */ 1050 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" }, 1051 /*quirks*/DA_Q_4K 1052 }, 1053 }; 1054 1055 static disk_strategy_t dastrategy; 1056 static dumper_t dadump; 1057 static periph_init_t dainit; 1058 static void daasync(void *callback_arg, u_int32_t code, 1059 struct cam_path *path, void *arg); 1060 static void dasysctlinit(void *context, int pending); 1061 static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS); 1062 static int dadeletemethodsysctl(SYSCTL_HANDLER_ARGS); 1063 static void dadeletemethodset(struct da_softc *softc, 1064 da_delete_methods delete_method); 1065 static void dadeletemethodchoose(struct da_softc *softc, 1066 da_delete_methods default_method); 1067 static void daprobedone(struct cam_periph *periph, union ccb *ccb); 1068 1069 static periph_ctor_t daregister; 1070 static periph_dtor_t dacleanup; 1071 static periph_start_t dastart; 1072 static periph_oninv_t daoninvalidate; 1073 static void dadone(struct cam_periph *periph, 1074 union ccb *done_ccb); 1075 static int daerror(union ccb *ccb, u_int32_t cam_flags, 1076 u_int32_t sense_flags); 1077 static void daprevent(struct cam_periph *periph, int action); 1078 static int dagetcapacity(struct cam_periph *periph); 1079 static void dasetgeom(struct cam_periph *periph, uint32_t block_len, 1080 uint64_t maxsector, u_int lbppbe, u_int lalba); 1081 static timeout_t dasendorderedtag; 1082 static void dashutdown(void *arg, int howto); 1083 1084 #ifndef DA_DEFAULT_TIMEOUT 1085 #define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */ 1086 #endif 1087 1088 #ifndef DA_DEFAULT_RETRY 1089 #define DA_DEFAULT_RETRY 4 1090 #endif 1091 1092 #ifndef DA_DEFAULT_SEND_ORDERED 1093 #define DA_DEFAULT_SEND_ORDERED 1 1094 #endif 1095 1096 #define DA_SIO (softc->sort_io_queue >= 0 ? \ 1097 softc->sort_io_queue : cam_sort_io_queues) 1098 1099 static int da_retry_count = DA_DEFAULT_RETRY; 1100 static int da_default_timeout = DA_DEFAULT_TIMEOUT; 1101 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED; 1102 1103 SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0, 1104 "CAM Direct Access Disk driver"); 1105 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW, 1106 &da_retry_count, 0, "Normal I/O retry count"); 1107 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count); 1108 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW, 1109 &da_default_timeout, 0, "Normal I/O timeout (in seconds)"); 1110 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout); 1111 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RW, 1112 &da_send_ordered, 0, "Send Ordered Tags"); 1113 TUNABLE_INT("kern.cam.da.send_ordered", &da_send_ordered); 1114 1115 /* 1116 * DA_ORDEREDTAG_INTERVAL determines how often, relative 1117 * to the default timeout, we check to see whether an ordered 1118 * tagged transaction is appropriate to prevent simple tag 1119 * starvation. Since we'd like to ensure that there is at least 1120 * 1/2 of the timeout length left for a starved transaction to 1121 * complete after we've sent an ordered tag, we must poll at least 1122 * four times in every timeout period. This takes care of the worst 1123 * case where a starved transaction starts during an interval that 1124 * meets the requirement "don't send an ordered tag" test so it takes 1125 * us two intervals to determine that a tag must be sent. 1126 */ 1127 #ifndef DA_ORDEREDTAG_INTERVAL 1128 #define DA_ORDEREDTAG_INTERVAL 4 1129 #endif 1130 1131 static struct periph_driver dadriver = 1132 { 1133 dainit, "da", 1134 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0 1135 }; 1136 1137 PERIPHDRIVER_DECLARE(da, dadriver); 1138 1139 MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers"); 1140 1141 static int 1142 daopen(struct disk *dp) 1143 { 1144 struct cam_periph *periph; 1145 struct da_softc *softc; 1146 int unit; 1147 int error; 1148 1149 periph = (struct cam_periph *)dp->d_drv1; 1150 if (periph == NULL) { 1151 return (ENXIO); 1152 } 1153 1154 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1155 return (ENXIO); 1156 } 1157 1158 cam_periph_lock(periph); 1159 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 1160 cam_periph_unlock(periph); 1161 cam_periph_release(periph); 1162 return (error); 1163 } 1164 1165 unit = periph->unit_number; 1166 softc = (struct da_softc *)periph->softc; 1167 softc->flags |= DA_FLAG_OPEN; 1168 1169 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 1170 ("daopen\n")); 1171 1172 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 1173 /* Invalidate our pack information. */ 1174 softc->flags &= ~DA_FLAG_PACK_INVALID; 1175 } 1176 1177 error = dagetcapacity(periph); 1178 1179 if (error == 0) { 1180 1181 softc->disk->d_sectorsize = softc->params.secsize; 1182 softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors; 1183 softc->disk->d_stripesize = softc->params.stripesize; 1184 softc->disk->d_stripeoffset = softc->params.stripeoffset; 1185 /* XXX: these are not actually "firmware" values, so they may be wrong */ 1186 softc->disk->d_fwsectors = softc->params.secs_per_track; 1187 softc->disk->d_fwheads = softc->params.heads; 1188 softc->disk->d_devstat->block_size = softc->params.secsize; 1189 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 1190 1191 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 1192 (softc->quirks & DA_Q_NO_PREVENT) == 0) 1193 daprevent(periph, PR_PREVENT); 1194 } else 1195 softc->flags &= ~DA_FLAG_OPEN; 1196 1197 cam_periph_unhold(periph); 1198 cam_periph_unlock(periph); 1199 1200 if (error != 0) { 1201 cam_periph_release(periph); 1202 } 1203 return (error); 1204 } 1205 1206 static int 1207 daclose(struct disk *dp) 1208 { 1209 struct cam_periph *periph; 1210 struct da_softc *softc; 1211 1212 periph = (struct cam_periph *)dp->d_drv1; 1213 if (periph == NULL) 1214 return (0); 1215 1216 cam_periph_lock(periph); 1217 if (cam_periph_hold(periph, PRIBIO) != 0) { 1218 cam_periph_unlock(periph); 1219 cam_periph_release(periph); 1220 return (0); 1221 } 1222 1223 softc = (struct da_softc *)periph->softc; 1224 1225 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 1226 ("daclose\n")); 1227 1228 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 1229 && (softc->flags & DA_FLAG_PACK_INVALID) == 0) { 1230 union ccb *ccb; 1231 1232 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1233 1234 scsi_synchronize_cache(&ccb->csio, 1235 /*retries*/1, 1236 /*cbfcnp*/dadone, 1237 MSG_SIMPLE_Q_TAG, 1238 /*begin_lba*/0,/* Cover the whole disk */ 1239 /*lb_count*/0, 1240 SSD_FULL_SIZE, 1241 5 * 60 * 1000); 1242 1243 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0, 1244 /*sense_flags*/SF_RETRY_UA, 1245 softc->disk->d_devstat); 1246 1247 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1248 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == 1249 CAM_SCSI_STATUS_ERROR) { 1250 int asc, ascq; 1251 int sense_key, error_code; 1252 1253 scsi_extract_sense(&ccb->csio.sense_data, 1254 &error_code, 1255 &sense_key, 1256 &asc, &ascq); 1257 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 1258 scsi_sense_print(&ccb->csio); 1259 } else { 1260 xpt_print(periph->path, "Synchronize cache " 1261 "failed, status == 0x%x, scsi status == " 1262 "0x%x\n", ccb->csio.ccb_h.status, 1263 ccb->csio.scsi_status); 1264 } 1265 } 1266 1267 xpt_release_ccb(ccb); 1268 1269 } 1270 1271 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) { 1272 if ((softc->quirks & DA_Q_NO_PREVENT) == 0) 1273 daprevent(periph, PR_ALLOW); 1274 /* 1275 * If we've got removeable media, mark the blocksize as 1276 * unavailable, since it could change when new media is 1277 * inserted. 1278 */ 1279 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1280 } 1281 1282 softc->flags &= ~DA_FLAG_OPEN; 1283 cam_periph_unhold(periph); 1284 cam_periph_unlock(periph); 1285 cam_periph_release(periph); 1286 return (0); 1287 } 1288 1289 static void 1290 daschedule(struct cam_periph *periph) 1291 { 1292 struct da_softc *softc = (struct da_softc *)periph->softc; 1293 uint32_t prio; 1294 1295 /* Check if cam_periph_getccb() was called. */ 1296 prio = periph->immediate_priority; 1297 1298 /* Check if we have more work to do. */ 1299 if (bioq_first(&softc->bio_queue) || 1300 (!softc->delete_running && bioq_first(&softc->delete_queue))) { 1301 prio = CAM_PRIORITY_NORMAL; 1302 } 1303 1304 /* Schedule CCB if any of above is true. */ 1305 if (prio != CAM_PRIORITY_NONE) 1306 xpt_schedule(periph, prio); 1307 } 1308 1309 /* 1310 * Actually translate the requested transfer into one the physical driver 1311 * can understand. The transfer is described by a buf and will include 1312 * only one physical transfer. 1313 */ 1314 static void 1315 dastrategy(struct bio *bp) 1316 { 1317 struct cam_periph *periph; 1318 struct da_softc *softc; 1319 1320 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1321 if (periph == NULL) { 1322 biofinish(bp, NULL, ENXIO); 1323 return; 1324 } 1325 softc = (struct da_softc *)periph->softc; 1326 1327 cam_periph_lock(periph); 1328 1329 /* 1330 * If the device has been made invalid, error out 1331 */ 1332 if ((softc->flags & DA_FLAG_PACK_INVALID)) { 1333 cam_periph_unlock(periph); 1334 biofinish(bp, NULL, ENXIO); 1335 return; 1336 } 1337 1338 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp)); 1339 1340 /* 1341 * Place it in the queue of disk activities for this disk 1342 */ 1343 if (bp->bio_cmd == BIO_DELETE) { 1344 if (bp->bio_bcount == 0) 1345 biodone(bp); 1346 else if (DA_SIO) 1347 bioq_disksort(&softc->delete_queue, bp); 1348 else 1349 bioq_insert_tail(&softc->delete_queue, bp); 1350 } else if (DA_SIO) { 1351 bioq_disksort(&softc->bio_queue, bp); 1352 } else { 1353 bioq_insert_tail(&softc->bio_queue, bp); 1354 } 1355 1356 /* 1357 * Schedule ourselves for performing the work. 1358 */ 1359 daschedule(periph); 1360 cam_periph_unlock(periph); 1361 1362 return; 1363 } 1364 1365 static int 1366 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 1367 { 1368 struct cam_periph *periph; 1369 struct da_softc *softc; 1370 u_int secsize; 1371 struct ccb_scsiio csio; 1372 struct disk *dp; 1373 1374 dp = arg; 1375 periph = dp->d_drv1; 1376 if (periph == NULL) 1377 return (ENXIO); 1378 softc = (struct da_softc *)periph->softc; 1379 cam_periph_lock(periph); 1380 secsize = softc->params.secsize; 1381 1382 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 1383 cam_periph_unlock(periph); 1384 return (ENXIO); 1385 } 1386 1387 if (length > 0) { 1388 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1389 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1390 scsi_read_write(&csio, 1391 /*retries*/1, 1392 dadone, 1393 MSG_ORDERED_Q_TAG, 1394 /*read*/FALSE, 1395 /*byte2*/0, 1396 /*minimum_cmd_size*/ softc->minimum_cmd_size, 1397 offset / secsize, 1398 length / secsize, 1399 /*data_ptr*/(u_int8_t *) virtual, 1400 /*dxfer_len*/length, 1401 /*sense_len*/SSD_FULL_SIZE, 1402 da_default_timeout * 1000); 1403 xpt_polled_action((union ccb *)&csio); 1404 cam_periph_unlock(periph); 1405 1406 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1407 printf("Aborting dump due to I/O error.\n"); 1408 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 1409 CAM_SCSI_STATUS_ERROR) 1410 scsi_sense_print(&csio); 1411 else 1412 printf("status == 0x%x, scsi status == 0x%x\n", 1413 csio.ccb_h.status, csio.scsi_status); 1414 return(EIO); 1415 } 1416 return(0); 1417 } 1418 1419 /* 1420 * Sync the disk cache contents to the physical media. 1421 */ 1422 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 1423 1424 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1425 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1426 scsi_synchronize_cache(&csio, 1427 /*retries*/1, 1428 /*cbfcnp*/dadone, 1429 MSG_SIMPLE_Q_TAG, 1430 /*begin_lba*/0,/* Cover the whole disk */ 1431 /*lb_count*/0, 1432 SSD_FULL_SIZE, 1433 5 * 60 * 1000); 1434 xpt_polled_action((union ccb *)&csio); 1435 1436 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1437 if ((csio.ccb_h.status & CAM_STATUS_MASK) == 1438 CAM_SCSI_STATUS_ERROR) { 1439 int asc, ascq; 1440 int sense_key, error_code; 1441 1442 scsi_extract_sense(&csio.sense_data, 1443 &error_code, 1444 &sense_key, 1445 &asc, &ascq); 1446 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 1447 scsi_sense_print(&csio); 1448 } else { 1449 xpt_print(periph->path, "Synchronize cache " 1450 "failed, status == 0x%x, scsi status == " 1451 "0x%x\n", csio.ccb_h.status, 1452 csio.scsi_status); 1453 } 1454 } 1455 } 1456 cam_periph_unlock(periph); 1457 return (0); 1458 } 1459 1460 static void 1461 dainit(void) 1462 { 1463 cam_status status; 1464 1465 /* 1466 * Install a global async callback. This callback will 1467 * receive async callbacks like "new device found". 1468 */ 1469 status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL); 1470 1471 if (status != CAM_REQ_CMP) { 1472 printf("da: Failed to attach master async callback " 1473 "due to status 0x%x!\n", status); 1474 } else if (da_send_ordered) { 1475 1476 /* Register our shutdown event handler */ 1477 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown, 1478 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 1479 printf("dainit: shutdown event registration failed!\n"); 1480 } 1481 } 1482 1483 static void 1484 daoninvalidate(struct cam_periph *periph) 1485 { 1486 struct da_softc *softc; 1487 1488 softc = (struct da_softc *)periph->softc; 1489 1490 /* 1491 * De-register any async callbacks. 1492 */ 1493 xpt_register_async(0, daasync, periph, periph->path); 1494 1495 softc->flags |= DA_FLAG_PACK_INVALID; 1496 1497 /* 1498 * Return all queued I/O with ENXIO. 1499 * XXX Handle any transactions queued to the card 1500 * with XPT_ABORT_CCB. 1501 */ 1502 bioq_flush(&softc->bio_queue, NULL, ENXIO); 1503 bioq_flush(&softc->delete_queue, NULL, ENXIO); 1504 1505 disk_gone(softc->disk); 1506 xpt_print(periph->path, "lost device - %d outstanding, %d refs\n", 1507 softc->outstanding_cmds, periph->refcount); 1508 } 1509 1510 static void 1511 dacleanup(struct cam_periph *periph) 1512 { 1513 struct da_softc *softc; 1514 1515 softc = (struct da_softc *)periph->softc; 1516 1517 xpt_print(periph->path, "removing device entry\n"); 1518 cam_periph_unlock(periph); 1519 1520 /* 1521 * If we can't free the sysctl tree, oh well... 1522 */ 1523 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0 1524 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 1525 xpt_print(periph->path, "can't remove sysctl context\n"); 1526 } 1527 1528 disk_destroy(softc->disk); 1529 callout_drain(&softc->sendordered_c); 1530 free(softc, M_DEVBUF); 1531 cam_periph_lock(periph); 1532 } 1533 1534 static void 1535 daasync(void *callback_arg, u_int32_t code, 1536 struct cam_path *path, void *arg) 1537 { 1538 struct cam_periph *periph; 1539 1540 periph = (struct cam_periph *)callback_arg; 1541 switch (code) { 1542 case AC_FOUND_DEVICE: 1543 { 1544 struct ccb_getdev *cgd; 1545 cam_status status; 1546 1547 cgd = (struct ccb_getdev *)arg; 1548 if (cgd == NULL) 1549 break; 1550 1551 if (cgd->protocol != PROTO_SCSI) 1552 break; 1553 1554 if (SID_TYPE(&cgd->inq_data) != T_DIRECT 1555 && SID_TYPE(&cgd->inq_data) != T_RBC 1556 && SID_TYPE(&cgd->inq_data) != T_OPTICAL) 1557 break; 1558 1559 /* 1560 * Allocate a peripheral instance for 1561 * this device and start the probe 1562 * process. 1563 */ 1564 status = cam_periph_alloc(daregister, daoninvalidate, 1565 dacleanup, dastart, 1566 "da", CAM_PERIPH_BIO, 1567 cgd->ccb_h.path, daasync, 1568 AC_FOUND_DEVICE, cgd); 1569 1570 if (status != CAM_REQ_CMP 1571 && status != CAM_REQ_INPROG) 1572 printf("daasync: Unable to attach to new device " 1573 "due to status 0x%x\n", status); 1574 break; 1575 } 1576 case AC_SENT_BDR: 1577 case AC_BUS_RESET: 1578 { 1579 struct da_softc *softc; 1580 struct ccb_hdr *ccbh; 1581 1582 softc = (struct da_softc *)periph->softc; 1583 /* 1584 * Don't fail on the expected unit attention 1585 * that will occur. 1586 */ 1587 softc->flags |= DA_FLAG_RETRY_UA; 1588 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 1589 ccbh->ccb_state |= DA_CCB_RETRY_UA; 1590 break; 1591 } 1592 default: 1593 break; 1594 } 1595 cam_periph_async(periph, code, path, arg); 1596 } 1597 1598 static void 1599 dasysctlinit(void *context, int pending) 1600 { 1601 struct cam_periph *periph; 1602 struct da_softc *softc; 1603 char tmpstr[80], tmpstr2[80]; 1604 struct ccb_trans_settings cts; 1605 1606 periph = (struct cam_periph *)context; 1607 /* 1608 * periph was held for us when this task was enqueued 1609 */ 1610 if (periph->flags & CAM_PERIPH_INVALID) { 1611 cam_periph_release(periph); 1612 return; 1613 } 1614 1615 softc = (struct da_softc *)periph->softc; 1616 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number); 1617 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1618 1619 sysctl_ctx_init(&softc->sysctl_ctx); 1620 softc->flags |= DA_FLAG_SCTX_INIT; 1621 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1622 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2, 1623 CTLFLAG_RD, 0, tmpstr); 1624 if (softc->sysctl_tree == NULL) { 1625 printf("dasysctlinit: unable to allocate sysctl tree\n"); 1626 cam_periph_release(periph); 1627 return; 1628 } 1629 1630 /* 1631 * Now register the sysctl handler, so the user can change the value on 1632 * the fly. 1633 */ 1634 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1635 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RW, 1636 softc, 0, dadeletemethodsysctl, "A", 1637 "BIO_DELETE execution method"); 1638 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1639 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 1640 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I", 1641 "Minimum CDB size"); 1642 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1643 OID_AUTO, "sort_io_queue", CTLFLAG_RW, &softc->sort_io_queue, 0, 1644 "Sort IO queue to try and optimise disk access patterns"); 1645 1646 /* 1647 * Add some addressing info. 1648 */ 1649 memset(&cts, 0, sizeof (cts)); 1650 xpt_setup_ccb(&cts.ccb_h, periph->path, /*priority*/1); 1651 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1652 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1653 cam_periph_lock(periph); 1654 xpt_action((union ccb *)&cts); 1655 cam_periph_unlock(periph); 1656 if (cts.ccb_h.status != CAM_REQ_CMP) { 1657 cam_periph_release(periph); 1658 return; 1659 } 1660 if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) { 1661 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc; 1662 if (fc->valid & CTS_FC_VALID_WWPN) { 1663 softc->wwpn = fc->wwpn; 1664 SYSCTL_ADD_XLONG(&softc->sysctl_ctx, 1665 SYSCTL_CHILDREN(softc->sysctl_tree), 1666 OID_AUTO, "wwpn", CTLTYPE_QUAD | CTLFLAG_RD, 1667 &softc->wwpn, "World Wide Port Name"); 1668 } 1669 } 1670 cam_periph_release(periph); 1671 } 1672 1673 static int 1674 dacmdsizesysctl(SYSCTL_HANDLER_ARGS) 1675 { 1676 int error, value; 1677 1678 value = *(int *)arg1; 1679 1680 error = sysctl_handle_int(oidp, &value, 0, req); 1681 1682 if ((error != 0) 1683 || (req->newptr == NULL)) 1684 return (error); 1685 1686 /* 1687 * Acceptable values here are 6, 10, 12 or 16. 1688 */ 1689 if (value < 6) 1690 value = 6; 1691 else if ((value > 6) 1692 && (value <= 10)) 1693 value = 10; 1694 else if ((value > 10) 1695 && (value <= 12)) 1696 value = 12; 1697 else if (value > 12) 1698 value = 16; 1699 1700 *(int *)arg1 = value; 1701 1702 return (0); 1703 } 1704 1705 static void 1706 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method) 1707 { 1708 1709 1710 softc->delete_method = delete_method; 1711 1712 if (softc->delete_method > DA_DELETE_DISABLE) 1713 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1714 else 1715 softc->disk->d_flags &= ~DISKFLAG_CANDELETE; 1716 } 1717 1718 static void 1719 daprobedone(struct cam_periph *periph, union ccb *ccb) 1720 { 1721 struct da_softc *softc; 1722 1723 softc = (struct da_softc *)periph->softc; 1724 1725 dadeletemethodchoose(softc, DA_DELETE_NONE); 1726 1727 if (bootverbose) { 1728 char buf[80]; 1729 int i, sep; 1730 1731 snprintf(buf, sizeof(buf), "Delete methods: <"); 1732 sep = 0; 1733 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) { 1734 if (softc->delete_available & (1 << i)) { 1735 if (sep) { 1736 strlcat(buf, ",", sizeof(buf)); 1737 } else { 1738 sep = 1; 1739 } 1740 strlcat(buf, da_delete_method_names[i], 1741 sizeof(buf)); 1742 if (i == softc->delete_method) { 1743 strlcat(buf, "(*)", sizeof(buf)); 1744 } 1745 } 1746 } 1747 if (sep == 0) { 1748 if (softc->delete_method == DA_DELETE_NONE) 1749 strlcat(buf, "NONE(*)", sizeof(buf)); 1750 else 1751 strlcat(buf, "DISABLED(*)", sizeof(buf)); 1752 } 1753 strlcat(buf, ">", sizeof(buf)); 1754 printf("%s%d: %s\n", periph->periph_name, 1755 periph->unit_number, buf); 1756 } 1757 1758 /* 1759 * Since our peripheral may be invalidated by an error 1760 * above or an external event, we must release our CCB 1761 * before releasing the probe lock on the peripheral. 1762 * The peripheral will only go away once the last lock 1763 * is removed, and we need it around for the CCB release 1764 * operation. 1765 */ 1766 xpt_release_ccb(ccb); 1767 softc->state = DA_STATE_NORMAL; 1768 cam_periph_unhold(periph); 1769 1770 /* May have more work to do, so ensure we stay scheduled. */ 1771 daschedule(periph); 1772 } 1773 1774 static void 1775 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method) 1776 { 1777 int i, delete_method; 1778 1779 delete_method = default_method; 1780 1781 /* 1782 * Use the pre-defined order to choose the best 1783 * performing delete. 1784 */ 1785 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) { 1786 if (softc->delete_available & (1 << i)) { 1787 dadeletemethodset(softc, i); 1788 return; 1789 } 1790 } 1791 dadeletemethodset(softc, delete_method); 1792 } 1793 1794 static int 1795 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS) 1796 { 1797 char buf[16]; 1798 const char *p; 1799 struct da_softc *softc; 1800 int i, error, value; 1801 1802 softc = (struct da_softc *)arg1; 1803 1804 value = softc->delete_method; 1805 if (value < 0 || value > DA_DELETE_MAX) 1806 p = "UNKNOWN"; 1807 else 1808 p = da_delete_method_names[value]; 1809 strncpy(buf, p, sizeof(buf)); 1810 error = sysctl_handle_string(oidp, buf, sizeof(buf), req); 1811 if (error != 0 || req->newptr == NULL) 1812 return (error); 1813 for (i = 0; i <= DA_DELETE_MAX; i++) { 1814 if (!(softc->delete_available & (1 << i)) || 1815 strcmp(buf, da_delete_method_names[i]) != 0) 1816 continue; 1817 dadeletemethodset(softc, i); 1818 return (0); 1819 } 1820 return (EINVAL); 1821 } 1822 1823 static cam_status 1824 daregister(struct cam_periph *periph, void *arg) 1825 { 1826 struct da_softc *softc; 1827 struct ccb_pathinq cpi; 1828 struct ccb_getdev *cgd; 1829 char tmpstr[80]; 1830 caddr_t match; 1831 1832 cgd = (struct ccb_getdev *)arg; 1833 if (periph == NULL) { 1834 printf("daregister: periph was NULL!!\n"); 1835 return(CAM_REQ_CMP_ERR); 1836 } 1837 1838 if (cgd == NULL) { 1839 printf("daregister: no getdev CCB, can't register device\n"); 1840 return(CAM_REQ_CMP_ERR); 1841 } 1842 1843 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF, 1844 M_NOWAIT|M_ZERO); 1845 1846 if (softc == NULL) { 1847 printf("daregister: Unable to probe new device. " 1848 "Unable to allocate softc\n"); 1849 return(CAM_REQ_CMP_ERR); 1850 } 1851 1852 LIST_INIT(&softc->pending_ccbs); 1853 softc->state = DA_STATE_PROBE_RC; 1854 bioq_init(&softc->bio_queue); 1855 bioq_init(&softc->delete_queue); 1856 bioq_init(&softc->delete_run_queue); 1857 if (SID_IS_REMOVABLE(&cgd->inq_data)) 1858 softc->flags |= DA_FLAG_PACK_REMOVABLE; 1859 softc->unmap_max_ranges = UNMAP_MAX_RANGES; 1860 softc->unmap_max_lba = UNMAP_RANGE_MAX; 1861 softc->ws_max_blks = WS16_MAX_BLKS; 1862 softc->trim_max_ranges = ATA_TRIM_MAX_RANGES; 1863 softc->sort_io_queue = -1; 1864 1865 periph->softc = softc; 1866 1867 /* 1868 * See if this device has any quirks. 1869 */ 1870 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 1871 (caddr_t)da_quirk_table, 1872 sizeof(da_quirk_table)/sizeof(*da_quirk_table), 1873 sizeof(*da_quirk_table), scsi_inquiry_match); 1874 1875 if (match != NULL) 1876 softc->quirks = ((struct da_quirk_entry *)match)->quirks; 1877 else 1878 softc->quirks = DA_Q_NONE; 1879 1880 /* Check if the SIM does not want 6 byte commands */ 1881 bzero(&cpi, sizeof(cpi)); 1882 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1883 cpi.ccb_h.func_code = XPT_PATH_INQ; 1884 xpt_action((union ccb *)&cpi); 1885 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 1886 softc->quirks |= DA_Q_NO_6_BYTE; 1887 1888 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph); 1889 1890 /* 1891 * Add async callbacks for bus reset and 1892 * bus device reset calls. I don't bother 1893 * checking if this fails as, in most cases, 1894 * the system will function just fine without 1895 * them and the only alternative would be to 1896 * not attach the device on failure. 1897 */ 1898 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE, 1899 daasync, periph, periph->path); 1900 1901 /* 1902 * Take an exclusive refcount on the periph while dastart is called 1903 * to finish the probe. The reference will be dropped in dadone at 1904 * the end of probe. 1905 */ 1906 (void)cam_periph_hold(periph, PRIBIO); 1907 1908 /* 1909 * Schedule a periodic event to occasionally send an 1910 * ordered tag to a device. 1911 */ 1912 callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0); 1913 callout_reset(&softc->sendordered_c, 1914 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL, 1915 dasendorderedtag, softc); 1916 1917 mtx_unlock(periph->sim->mtx); 1918 /* 1919 * RBC devices don't have to support READ(6), only READ(10). 1920 */ 1921 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC) 1922 softc->minimum_cmd_size = 10; 1923 else 1924 softc->minimum_cmd_size = 6; 1925 1926 /* 1927 * Load the user's default, if any. 1928 */ 1929 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size", 1930 periph->unit_number); 1931 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size); 1932 1933 /* 1934 * 6, 10, 12 and 16 are the currently permissible values. 1935 */ 1936 if (softc->minimum_cmd_size < 6) 1937 softc->minimum_cmd_size = 6; 1938 else if ((softc->minimum_cmd_size > 6) 1939 && (softc->minimum_cmd_size <= 10)) 1940 softc->minimum_cmd_size = 10; 1941 else if ((softc->minimum_cmd_size > 10) 1942 && (softc->minimum_cmd_size <= 12)) 1943 softc->minimum_cmd_size = 12; 1944 else if (softc->minimum_cmd_size > 12) 1945 softc->minimum_cmd_size = 16; 1946 1947 /* Predict whether device may support READ CAPACITY(16). */ 1948 if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3) { 1949 softc->flags |= DA_FLAG_CAN_RC16; 1950 softc->state = DA_STATE_PROBE_RC16; 1951 } 1952 1953 /* 1954 * Register this media as a disk. 1955 */ 1956 softc->disk = disk_alloc(); 1957 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 1958 periph->unit_number, 0, 1959 DEVSTAT_BS_UNAVAILABLE, 1960 SID_TYPE(&cgd->inq_data) | 1961 XPORT_DEVSTAT_TYPE(cpi.transport), 1962 DEVSTAT_PRIORITY_DISK); 1963 softc->disk->d_open = daopen; 1964 softc->disk->d_close = daclose; 1965 softc->disk->d_strategy = dastrategy; 1966 softc->disk->d_dump = dadump; 1967 softc->disk->d_name = "da"; 1968 softc->disk->d_drv1 = periph; 1969 if (cpi.maxio == 0) 1970 softc->disk->d_maxsize = DFLTPHYS; /* traditional default */ 1971 else if (cpi.maxio > MAXPHYS) 1972 softc->disk->d_maxsize = MAXPHYS; /* for safety */ 1973 else 1974 softc->disk->d_maxsize = cpi.maxio; 1975 softc->disk->d_unit = periph->unit_number; 1976 softc->disk->d_flags = 0; 1977 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) 1978 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 1979 strlcpy(softc->disk->d_ident, cgd->serial_num, 1980 MIN(sizeof(softc->disk->d_ident), cgd->serial_num_len + 1)); 1981 disk_create(softc->disk, DISK_VERSION); 1982 mtx_lock(periph->sim->mtx); 1983 1984 xpt_schedule(periph, CAM_PRIORITY_DEV); 1985 1986 return(CAM_REQ_CMP); 1987 } 1988 1989 static void 1990 dastart(struct cam_periph *periph, union ccb *start_ccb) 1991 { 1992 struct da_softc *softc; 1993 1994 softc = (struct da_softc *)periph->softc; 1995 1996 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n")); 1997 1998 skipstate: 1999 switch (softc->state) { 2000 case DA_STATE_NORMAL: 2001 { 2002 struct bio *bp, *bp1; 2003 uint8_t tag_code; 2004 2005 /* Execute immediate CCB if waiting. */ 2006 if (periph->immediate_priority <= periph->pinfo.priority) { 2007 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2008 ("queuing for immediate ccb\n")); 2009 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING; 2010 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 2011 periph_links.sle); 2012 periph->immediate_priority = CAM_PRIORITY_NONE; 2013 wakeup(&periph->ccb_list); 2014 /* May have more work to do, so ensure we stay scheduled */ 2015 daschedule(periph); 2016 break; 2017 } 2018 2019 /* Run BIO_DELETE if not running yet. */ 2020 if (!softc->delete_running && 2021 (bp = bioq_first(&softc->delete_queue)) != NULL) { 2022 uint64_t lba; 2023 uint64_t count; /* forward compat with WS32 */ 2024 2025 /* 2026 * In each of the methods below, while its the caller's 2027 * responsibility to ensure the request will fit into a 2028 * single device request, we might have changed the delete 2029 * method due to the device incorrectly advertising either 2030 * its supported methods or limits. 2031 * 2032 * To prevent this causing further issues we validate the 2033 * against the methods limits, and warn which would 2034 * otherwise be unnecessary. 2035 */ 2036 2037 if (softc->delete_method == DA_DELETE_UNMAP) { 2038 uint8_t *buf = softc->unmap_buf; 2039 uint64_t lastlba = (uint64_t)-1; 2040 uint32_t lastcount = 0, c; 2041 uint64_t totalcount = 0; 2042 uint32_t off, ranges = 0; 2043 2044 /* 2045 * Currently this doesn't take the UNMAP 2046 * Granularity and Granularity Alignment 2047 * fields into account. 2048 * 2049 * This could result in both unoptimal unmap 2050 * requests as as well as UNMAP calls unmapping 2051 * fewer LBA's than requested. 2052 */ 2053 2054 softc->delete_running = 1; 2055 bzero(softc->unmap_buf, sizeof(softc->unmap_buf)); 2056 bp1 = bp; 2057 do { 2058 bioq_remove(&softc->delete_queue, bp1); 2059 if (bp1 != bp) 2060 bioq_insert_tail(&softc->delete_run_queue, bp1); 2061 lba = bp1->bio_pblkno; 2062 count = bp1->bio_bcount / softc->params.secsize; 2063 2064 /* Try to extend the previous range. */ 2065 if (lba == lastlba) { 2066 c = min(count, softc->unmap_max_lba - 2067 lastcount); 2068 lastcount += c; 2069 off = ((ranges - 1) * UNMAP_RANGE_SIZE) + 2070 UNMAP_HEAD_SIZE; 2071 scsi_ulto4b(lastcount, &buf[off + 8]); 2072 count -= c; 2073 lba +=c; 2074 totalcount += c; 2075 } 2076 2077 while (count > 0) { 2078 c = min(count, softc->unmap_max_lba); 2079 if (totalcount + c > softc->unmap_max_lba || 2080 ranges >= softc->unmap_max_ranges) { 2081 xpt_print(periph->path, 2082 "%s issuing short delete %ld > %ld" 2083 "|| %d >= %d", 2084 da_delete_method_desc[softc->delete_method], 2085 totalcount + c, softc->unmap_max_lba, 2086 ranges, softc->unmap_max_ranges); 2087 break; 2088 } 2089 off = (ranges * UNMAP_RANGE_SIZE) + 2090 UNMAP_HEAD_SIZE; 2091 scsi_u64to8b(lba, &buf[off + 0]); 2092 scsi_ulto4b(c, &buf[off + 8]); 2093 lba += c; 2094 totalcount += c; 2095 ranges++; 2096 count -= c; 2097 lastcount = c; 2098 } 2099 lastlba = lba; 2100 bp1 = bioq_first(&softc->delete_queue); 2101 if (bp1 == NULL || 2102 ranges >= softc->unmap_max_ranges || 2103 totalcount + bp1->bio_bcount / 2104 softc->params.secsize > softc->unmap_max_lba) 2105 break; 2106 } while (1); 2107 scsi_ulto2b(ranges * 16 + 6, &buf[0]); 2108 scsi_ulto2b(ranges * 16, &buf[2]); 2109 2110 scsi_unmap(&start_ccb->csio, 2111 /*retries*/da_retry_count, 2112 /*cbfcnp*/dadone, 2113 /*tag_action*/MSG_SIMPLE_Q_TAG, 2114 /*byte2*/0, 2115 /*data_ptr*/ buf, 2116 /*dxfer_len*/ ranges * 16 + 8, 2117 /*sense_len*/SSD_FULL_SIZE, 2118 da_default_timeout * 1000); 2119 start_ccb->ccb_h.ccb_state = DA_CCB_DELETE; 2120 goto out; 2121 } else if (softc->delete_method == DA_DELETE_ATA_TRIM) { 2122 uint8_t *buf = softc->unmap_buf; 2123 uint64_t lastlba = (uint64_t)-1; 2124 uint32_t lastcount = 0, c, requestcount; 2125 int ranges = 0, off, block_count; 2126 2127 softc->delete_running = 1; 2128 bzero(softc->unmap_buf, sizeof(softc->unmap_buf)); 2129 bp1 = bp; 2130 do { 2131 bioq_remove(&softc->delete_queue, bp1); 2132 if (bp1 != bp) 2133 bioq_insert_tail(&softc->delete_run_queue, bp1); 2134 lba = bp1->bio_pblkno; 2135 count = bp1->bio_bcount / softc->params.secsize; 2136 requestcount = count; 2137 2138 /* Try to extend the previous range. */ 2139 if (lba == lastlba) { 2140 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 2141 lastcount += c; 2142 off = (ranges - 1) * 8; 2143 buf[off + 6] = lastcount & 0xff; 2144 buf[off + 7] = (lastcount >> 8) & 0xff; 2145 count -= c; 2146 lba += c; 2147 } 2148 2149 while (count > 0) { 2150 c = min(count, ATA_DSM_RANGE_MAX); 2151 off = ranges * 8; 2152 2153 buf[off + 0] = lba & 0xff; 2154 buf[off + 1] = (lba >> 8) & 0xff; 2155 buf[off + 2] = (lba >> 16) & 0xff; 2156 buf[off + 3] = (lba >> 24) & 0xff; 2157 buf[off + 4] = (lba >> 32) & 0xff; 2158 buf[off + 5] = (lba >> 40) & 0xff; 2159 buf[off + 6] = c & 0xff; 2160 buf[off + 7] = (c >> 8) & 0xff; 2161 lba += c; 2162 ranges++; 2163 count -= c; 2164 lastcount = c; 2165 if (count != 0 && ranges == softc->trim_max_ranges) { 2166 xpt_print(periph->path, 2167 "%s issuing short delete %ld > %ld", 2168 da_delete_method_desc[softc->delete_method], 2169 requestcount, 2170 (softc->trim_max_ranges - ranges) * 2171 ATA_DSM_RANGE_MAX); 2172 break; 2173 } 2174 } 2175 lastlba = lba; 2176 bp1 = bioq_first(&softc->delete_queue); 2177 if (bp1 == NULL || 2178 bp1->bio_bcount / softc->params.secsize > 2179 (softc->trim_max_ranges - ranges) * 2180 ATA_DSM_RANGE_MAX) 2181 break; 2182 } while (1); 2183 2184 block_count = (ranges + ATA_DSM_BLK_RANGES - 1) / 2185 ATA_DSM_BLK_RANGES; 2186 scsi_ata_trim(&start_ccb->csio, 2187 /*retries*/da_retry_count, 2188 /*cbfcnp*/dadone, 2189 /*tag_action*/MSG_SIMPLE_Q_TAG, 2190 block_count, 2191 /*data_ptr*/buf, 2192 /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE, 2193 /*sense_len*/SSD_FULL_SIZE, 2194 da_default_timeout * 1000); 2195 start_ccb->ccb_h.ccb_state = DA_CCB_DELETE; 2196 goto out; 2197 } else if (softc->delete_method == DA_DELETE_ZERO || 2198 softc->delete_method == DA_DELETE_WS10 || 2199 softc->delete_method == DA_DELETE_WS16) { 2200 uint64_t ws_max_blks; 2201 ws_max_blks = softc->ws_max_blks / softc->params.secsize; 2202 softc->delete_running = 1; 2203 lba = bp->bio_pblkno; 2204 count = 0; 2205 bp1 = bp; 2206 do { 2207 bioq_remove(&softc->delete_queue, bp1); 2208 if (bp1 != bp) 2209 bioq_insert_tail(&softc->delete_run_queue, bp1); 2210 count += bp1->bio_bcount / softc->params.secsize; 2211 if (count > ws_max_blks) { 2212 count = min(count, ws_max_blks); 2213 xpt_print(periph->path, 2214 "%s issuing short delete %ld > %ld", 2215 da_delete_method_desc[softc->delete_method], 2216 count, ws_max_blks); 2217 break; 2218 } 2219 bp1 = bioq_first(&softc->delete_queue); 2220 if (bp1 == NULL || 2221 lba + count != bp1->bio_pblkno || 2222 count + bp1->bio_bcount / 2223 softc->params.secsize > ws_max_blks) 2224 break; 2225 } while (1); 2226 2227 scsi_write_same(&start_ccb->csio, 2228 /*retries*/da_retry_count, 2229 /*cbfcnp*/dadone, 2230 /*tag_action*/MSG_SIMPLE_Q_TAG, 2231 /*byte2*/softc->delete_method == 2232 DA_DELETE_ZERO ? 0 : SWS_UNMAP, 2233 softc->delete_method == 2234 DA_DELETE_WS16 ? 16 : 10, 2235 /*lba*/lba, 2236 /*block_count*/count, 2237 /*data_ptr*/ __DECONST(void *, 2238 zero_region), 2239 /*dxfer_len*/ softc->params.secsize, 2240 /*sense_len*/SSD_FULL_SIZE, 2241 da_default_timeout * 1000); 2242 start_ccb->ccb_h.ccb_state = DA_CCB_DELETE; 2243 goto out; 2244 } else { 2245 bioq_flush(&softc->delete_queue, NULL, 0); 2246 /* FALLTHROUGH */ 2247 } 2248 } 2249 2250 /* Run regular command. */ 2251 bp = bioq_takefirst(&softc->bio_queue); 2252 if (bp == NULL) { 2253 xpt_release_ccb(start_ccb); 2254 break; 2255 } 2256 2257 if ((bp->bio_flags & BIO_ORDERED) != 0 || 2258 (softc->flags & DA_FLAG_NEED_OTAG) != 0) { 2259 softc->flags &= ~DA_FLAG_NEED_OTAG; 2260 softc->ordered_tag_count++; 2261 tag_code = MSG_ORDERED_Q_TAG; 2262 } else { 2263 tag_code = MSG_SIMPLE_Q_TAG; 2264 } 2265 2266 switch (bp->bio_cmd) { 2267 case BIO_READ: 2268 case BIO_WRITE: 2269 scsi_read_write(&start_ccb->csio, 2270 /*retries*/da_retry_count, 2271 /*cbfcnp*/dadone, 2272 /*tag_action*/tag_code, 2273 /*read_op*/bp->bio_cmd 2274 == BIO_READ, 2275 /*byte2*/0, 2276 softc->minimum_cmd_size, 2277 /*lba*/bp->bio_pblkno, 2278 /*block_count*/bp->bio_bcount / 2279 softc->params.secsize, 2280 /*data_ptr*/ bp->bio_data, 2281 /*dxfer_len*/ bp->bio_bcount, 2282 /*sense_len*/SSD_FULL_SIZE, 2283 da_default_timeout * 1000); 2284 break; 2285 case BIO_FLUSH: 2286 /* 2287 * BIO_FLUSH doesn't currently communicate 2288 * range data, so we synchronize the cache 2289 * over the whole disk. We also force 2290 * ordered tag semantics the flush applies 2291 * to all previously queued I/O. 2292 */ 2293 scsi_synchronize_cache(&start_ccb->csio, 2294 /*retries*/1, 2295 /*cbfcnp*/dadone, 2296 MSG_ORDERED_Q_TAG, 2297 /*begin_lba*/0, 2298 /*lb_count*/0, 2299 SSD_FULL_SIZE, 2300 da_default_timeout*1000); 2301 break; 2302 } 2303 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO; 2304 2305 out: 2306 /* 2307 * Block out any asyncronous callbacks 2308 * while we touch the pending ccb list. 2309 */ 2310 LIST_INSERT_HEAD(&softc->pending_ccbs, 2311 &start_ccb->ccb_h, periph_links.le); 2312 softc->outstanding_cmds++; 2313 2314 /* We expect a unit attention from this device */ 2315 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) { 2316 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA; 2317 softc->flags &= ~DA_FLAG_RETRY_UA; 2318 } 2319 2320 start_ccb->ccb_h.ccb_bp = bp; 2321 xpt_action(start_ccb); 2322 2323 /* May have more work to do, so ensure we stay scheduled */ 2324 daschedule(periph); 2325 break; 2326 } 2327 case DA_STATE_PROBE_RC: 2328 { 2329 struct scsi_read_capacity_data *rcap; 2330 2331 rcap = (struct scsi_read_capacity_data *) 2332 malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO); 2333 if (rcap == NULL) { 2334 printf("dastart: Couldn't malloc read_capacity data\n"); 2335 /* da_free_periph??? */ 2336 break; 2337 } 2338 scsi_read_capacity(&start_ccb->csio, 2339 /*retries*/da_retry_count, 2340 dadone, 2341 MSG_SIMPLE_Q_TAG, 2342 rcap, 2343 SSD_FULL_SIZE, 2344 /*timeout*/5000); 2345 start_ccb->ccb_h.ccb_bp = NULL; 2346 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC; 2347 xpt_action(start_ccb); 2348 break; 2349 } 2350 case DA_STATE_PROBE_RC16: 2351 { 2352 struct scsi_read_capacity_data_long *rcaplong; 2353 2354 rcaplong = (struct scsi_read_capacity_data_long *) 2355 malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO); 2356 if (rcaplong == NULL) { 2357 printf("dastart: Couldn't malloc read_capacity data\n"); 2358 /* da_free_periph??? */ 2359 break; 2360 } 2361 scsi_read_capacity_16(&start_ccb->csio, 2362 /*retries*/ da_retry_count, 2363 /*cbfcnp*/ dadone, 2364 /*tag_action*/ MSG_SIMPLE_Q_TAG, 2365 /*lba*/ 0, 2366 /*reladr*/ 0, 2367 /*pmi*/ 0, 2368 rcaplong, 2369 /*sense_len*/ SSD_FULL_SIZE, 2370 /*timeout*/ da_default_timeout * 1000); 2371 start_ccb->ccb_h.ccb_bp = NULL; 2372 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16; 2373 xpt_action(start_ccb); 2374 break; 2375 } 2376 case DA_STATE_PROBE_LBP: 2377 { 2378 struct scsi_vpd_logical_block_prov *lbp; 2379 2380 if (!scsi_vpd_supported_page(periph, SVPD_LBP)) { 2381 /* 2382 * If we get here we don't support any SBC-3 delete 2383 * methods with UNMAP as the Logical Block Provisioning 2384 * VPD page support is required for devices which 2385 * support it according to T10/1799-D Revision 31 2386 * however older revisions of the spec don't mandate 2387 * this so we currently don't remove these methods 2388 * from the available set. 2389 */ 2390 softc->state = DA_STATE_PROBE_BLK_LIMITS; 2391 goto skipstate; 2392 } 2393 2394 lbp = (struct scsi_vpd_logical_block_prov *) 2395 malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO); 2396 2397 if (lbp == NULL) { 2398 printf("dastart: Couldn't malloc lbp data\n"); 2399 /* da_free_periph??? */ 2400 break; 2401 } 2402 2403 scsi_inquiry(&start_ccb->csio, 2404 /*retries*/da_retry_count, 2405 /*cbfcnp*/dadone, 2406 /*tag_action*/MSG_SIMPLE_Q_TAG, 2407 /*inq_buf*/(u_int8_t *)lbp, 2408 /*inq_len*/sizeof(*lbp), 2409 /*evpd*/TRUE, 2410 /*page_code*/SVPD_LBP, 2411 /*sense_len*/SSD_MIN_SIZE, 2412 /*timeout*/da_default_timeout * 1000); 2413 start_ccb->ccb_h.ccb_bp = NULL; 2414 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP; 2415 xpt_action(start_ccb); 2416 break; 2417 } 2418 case DA_STATE_PROBE_BLK_LIMITS: 2419 { 2420 struct scsi_vpd_block_limits *block_limits; 2421 2422 if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) { 2423 /* Not supported skip to next probe */ 2424 softc->state = DA_STATE_PROBE_BDC; 2425 goto skipstate; 2426 } 2427 2428 block_limits = (struct scsi_vpd_block_limits *) 2429 malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO); 2430 2431 if (block_limits == NULL) { 2432 printf("dastart: Couldn't malloc block_limits data\n"); 2433 /* da_free_periph??? */ 2434 break; 2435 } 2436 2437 scsi_inquiry(&start_ccb->csio, 2438 /*retries*/da_retry_count, 2439 /*cbfcnp*/dadone, 2440 /*tag_action*/MSG_SIMPLE_Q_TAG, 2441 /*inq_buf*/(u_int8_t *)block_limits, 2442 /*inq_len*/sizeof(*block_limits), 2443 /*evpd*/TRUE, 2444 /*page_code*/SVPD_BLOCK_LIMITS, 2445 /*sense_len*/SSD_MIN_SIZE, 2446 /*timeout*/da_default_timeout * 1000); 2447 start_ccb->ccb_h.ccb_bp = NULL; 2448 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS; 2449 xpt_action(start_ccb); 2450 break; 2451 } 2452 case DA_STATE_PROBE_BDC: 2453 { 2454 struct scsi_vpd_block_characteristics *bdc; 2455 2456 if (!scsi_vpd_supported_page(periph, SVPD_BDC)) { 2457 softc->state = DA_STATE_PROBE_ATA; 2458 goto skipstate; 2459 } 2460 2461 bdc = (struct scsi_vpd_block_characteristics *) 2462 malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO); 2463 2464 if (bdc == NULL) { 2465 printf("dastart: Couldn't malloc bdc data\n"); 2466 /* da_free_periph??? */ 2467 break; 2468 } 2469 2470 scsi_inquiry(&start_ccb->csio, 2471 /*retries*/da_retry_count, 2472 /*cbfcnp*/dadone, 2473 /*tag_action*/MSG_SIMPLE_Q_TAG, 2474 /*inq_buf*/(u_int8_t *)bdc, 2475 /*inq_len*/sizeof(*bdc), 2476 /*evpd*/TRUE, 2477 /*page_code*/SVPD_BDC, 2478 /*sense_len*/SSD_MIN_SIZE, 2479 /*timeout*/da_default_timeout * 1000); 2480 start_ccb->ccb_h.ccb_bp = NULL; 2481 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC; 2482 xpt_action(start_ccb); 2483 break; 2484 } 2485 case DA_STATE_PROBE_ATA: 2486 { 2487 struct ata_params *ata_params; 2488 2489 if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) { 2490 daprobedone(periph, start_ccb); 2491 break; 2492 } 2493 2494 ata_params = (struct ata_params*) 2495 malloc(sizeof(*ata_params), M_SCSIDA, M_NOWAIT|M_ZERO); 2496 2497 if (ata_params == NULL) { 2498 printf("dastart: Couldn't malloc ata_params data\n"); 2499 /* da_free_periph??? */ 2500 break; 2501 } 2502 2503 scsi_ata_identify(&start_ccb->csio, 2504 /*retries*/da_retry_count, 2505 /*cbfcnp*/dadone, 2506 /*tag_action*/MSG_SIMPLE_Q_TAG, 2507 /*data_ptr*/(u_int8_t *)ata_params, 2508 /*dxfer_len*/sizeof(*ata_params), 2509 /*sense_len*/SSD_FULL_SIZE, 2510 /*timeout*/da_default_timeout * 1000); 2511 start_ccb->ccb_h.ccb_bp = NULL; 2512 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA; 2513 xpt_action(start_ccb); 2514 break; 2515 } 2516 } 2517 } 2518 2519 static int 2520 cmd6workaround(union ccb *ccb) 2521 { 2522 struct scsi_rw_6 cmd6; 2523 struct scsi_rw_10 *cmd10; 2524 struct da_softc *softc; 2525 u_int8_t *cdb; 2526 struct bio *bp; 2527 int frozen; 2528 2529 cdb = ccb->csio.cdb_io.cdb_bytes; 2530 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc; 2531 2532 if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) { 2533 da_delete_methods old_method = softc->delete_method; 2534 2535 /* 2536 * Typically there are two reasons for failure here 2537 * 1. Delete method was detected as supported but isn't 2538 * 2. Delete failed due to invalid params e.g. too big 2539 * 2540 * While we will attempt to choose an alternative delete method 2541 * this may result in short deletes if the existing delete 2542 * requests from geom are big for the new method choosen. 2543 * 2544 * This method assumes that the error which triggered this 2545 * will not retry the io otherwise a panic will occur 2546 */ 2547 dadeleteflag(softc, old_method, 0); 2548 dadeletemethodchoose(softc, DA_DELETE_DISABLE); 2549 if (softc->delete_method == DA_DELETE_DISABLE) 2550 xpt_print(ccb->ccb_h.path, 2551 "%s failed, disabling BIO_DELETE\n", 2552 da_delete_method_desc[old_method]); 2553 else 2554 xpt_print(ccb->ccb_h.path, 2555 "%s failed, switching to %s BIO_DELETE\n", 2556 da_delete_method_desc[old_method], 2557 da_delete_method_desc[softc->delete_method]); 2558 2559 if (DA_SIO) { 2560 while ((bp = bioq_takefirst(&softc->delete_run_queue)) 2561 != NULL) 2562 bioq_disksort(&softc->delete_queue, bp); 2563 } else { 2564 while ((bp = bioq_takefirst(&softc->delete_run_queue)) 2565 != NULL) 2566 bioq_insert_tail(&softc->delete_queue, bp); 2567 } 2568 bioq_insert_tail(&softc->delete_queue, 2569 (struct bio *)ccb->ccb_h.ccb_bp); 2570 ccb->ccb_h.ccb_bp = NULL; 2571 return (0); 2572 } 2573 2574 /* Translation only possible if CDB is an array and cmd is R/W6 */ 2575 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 || 2576 (*cdb != READ_6 && *cdb != WRITE_6)) 2577 return 0; 2578 2579 xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, " 2580 "increasing minimum_cmd_size to 10.\n"); 2581 softc->minimum_cmd_size = 10; 2582 2583 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6)); 2584 cmd10 = (struct scsi_rw_10 *)cdb; 2585 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10; 2586 cmd10->byte2 = 0; 2587 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr); 2588 cmd10->reserved = 0; 2589 scsi_ulto2b(cmd6.length, cmd10->length); 2590 cmd10->control = cmd6.control; 2591 ccb->csio.cdb_len = sizeof(*cmd10); 2592 2593 /* Requeue request, unfreezing queue if necessary */ 2594 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 2595 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2596 xpt_action(ccb); 2597 if (frozen) { 2598 cam_release_devq(ccb->ccb_h.path, 2599 /*relsim_flags*/0, 2600 /*reduction*/0, 2601 /*timeout*/0, 2602 /*getcount_only*/0); 2603 } 2604 return (ERESTART); 2605 } 2606 2607 static void 2608 dadone(struct cam_periph *periph, union ccb *done_ccb) 2609 { 2610 struct da_softc *softc; 2611 struct ccb_scsiio *csio; 2612 u_int32_t priority; 2613 2614 softc = (struct da_softc *)periph->softc; 2615 priority = done_ccb->ccb_h.pinfo.priority; 2616 2617 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n")); 2618 2619 csio = &done_ccb->csio; 2620 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) { 2621 case DA_CCB_BUFFER_IO: 2622 case DA_CCB_DELETE: 2623 { 2624 struct bio *bp, *bp1; 2625 2626 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 2627 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2628 int error; 2629 int sf; 2630 2631 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0) 2632 sf = SF_RETRY_UA; 2633 else 2634 sf = 0; 2635 2636 error = daerror(done_ccb, CAM_RETRY_SELTO, sf); 2637 if (error == ERESTART) { 2638 /* 2639 * A retry was scheduled, so 2640 * just return. 2641 */ 2642 return; 2643 } 2644 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 2645 if (error != 0) { 2646 int queued_error; 2647 2648 /* 2649 * return all queued I/O with EIO, so that 2650 * the client can retry these I/Os in the 2651 * proper order should it attempt to recover. 2652 */ 2653 queued_error = EIO; 2654 2655 if (error == ENXIO 2656 && (softc->flags & DA_FLAG_PACK_INVALID)== 0) { 2657 /* 2658 * Catastrophic error. Mark our pack as 2659 * invalid. 2660 */ 2661 /* 2662 * XXX See if this is really a media 2663 * XXX change first? 2664 */ 2665 xpt_print(periph->path, 2666 "Invalidating pack\n"); 2667 softc->flags |= DA_FLAG_PACK_INVALID; 2668 queued_error = ENXIO; 2669 } 2670 bioq_flush(&softc->bio_queue, NULL, 2671 queued_error); 2672 if (bp != NULL) { 2673 bp->bio_error = error; 2674 bp->bio_resid = bp->bio_bcount; 2675 bp->bio_flags |= BIO_ERROR; 2676 } 2677 } else if (bp != NULL) { 2678 bp->bio_resid = csio->resid; 2679 bp->bio_error = 0; 2680 if (bp->bio_resid != 0) 2681 bp->bio_flags |= BIO_ERROR; 2682 } 2683 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2684 cam_release_devq(done_ccb->ccb_h.path, 2685 /*relsim_flags*/0, 2686 /*reduction*/0, 2687 /*timeout*/0, 2688 /*getcount_only*/0); 2689 } else if (bp != NULL) { 2690 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2691 panic("REQ_CMP with QFRZN"); 2692 bp->bio_resid = csio->resid; 2693 if (csio->resid > 0) 2694 bp->bio_flags |= BIO_ERROR; 2695 if (softc->error_inject != 0) { 2696 bp->bio_error = softc->error_inject; 2697 bp->bio_resid = bp->bio_bcount; 2698 bp->bio_flags |= BIO_ERROR; 2699 softc->error_inject = 0; 2700 } 2701 2702 } 2703 2704 /* 2705 * Block out any asyncronous callbacks 2706 * while we touch the pending ccb list. 2707 */ 2708 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 2709 softc->outstanding_cmds--; 2710 if (softc->outstanding_cmds == 0) 2711 softc->flags |= DA_FLAG_WENT_IDLE; 2712 2713 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 2714 xpt_print(periph->path, "oustanding %d\n", 2715 softc->outstanding_cmds); 2716 } 2717 2718 if ((csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) == 2719 DA_CCB_DELETE) { 2720 while ((bp1 = bioq_takefirst(&softc->delete_run_queue)) 2721 != NULL) { 2722 bp1->bio_resid = bp->bio_resid; 2723 bp1->bio_error = bp->bio_error; 2724 if (bp->bio_flags & BIO_ERROR) 2725 bp1->bio_flags |= BIO_ERROR; 2726 biodone(bp1); 2727 } 2728 softc->delete_running = 0; 2729 if (bp != NULL) 2730 biodone(bp); 2731 daschedule(periph); 2732 } else if (bp != NULL) 2733 biodone(bp); 2734 break; 2735 } 2736 case DA_CCB_PROBE_RC: 2737 case DA_CCB_PROBE_RC16: 2738 { 2739 struct scsi_read_capacity_data *rdcap; 2740 struct scsi_read_capacity_data_long *rcaplong; 2741 char announce_buf[80]; 2742 int lbp; 2743 2744 lbp = 0; 2745 rdcap = NULL; 2746 rcaplong = NULL; 2747 if (softc->state == DA_STATE_PROBE_RC) 2748 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr; 2749 else 2750 rcaplong = (struct scsi_read_capacity_data_long *) 2751 csio->data_ptr; 2752 2753 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 2754 struct disk_params *dp; 2755 uint32_t block_size; 2756 uint64_t maxsector; 2757 u_int lbppbe; /* LB per physical block exponent. */ 2758 u_int lalba; /* Lowest aligned LBA. */ 2759 2760 if (softc->state == DA_STATE_PROBE_RC) { 2761 block_size = scsi_4btoul(rdcap->length); 2762 maxsector = scsi_4btoul(rdcap->addr); 2763 lbppbe = 0; 2764 lalba = 0; 2765 2766 /* 2767 * According to SBC-2, if the standard 10 2768 * byte READ CAPACITY command returns 2^32, 2769 * we should issue the 16 byte version of 2770 * the command, since the device in question 2771 * has more sectors than can be represented 2772 * with the short version of the command. 2773 */ 2774 if (maxsector == 0xffffffff) { 2775 free(rdcap, M_SCSIDA); 2776 xpt_release_ccb(done_ccb); 2777 softc->state = DA_STATE_PROBE_RC16; 2778 xpt_schedule(periph, priority); 2779 return; 2780 } 2781 } else { 2782 block_size = scsi_4btoul(rcaplong->length); 2783 maxsector = scsi_8btou64(rcaplong->addr); 2784 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE; 2785 lalba = scsi_2btoul(rcaplong->lalba_lbp); 2786 } 2787 2788 /* 2789 * Because GEOM code just will panic us if we 2790 * give them an 'illegal' value we'll avoid that 2791 * here. 2792 */ 2793 if (block_size == 0 && maxsector == 0) { 2794 snprintf(announce_buf, sizeof(announce_buf), 2795 "0MB (no media?)"); 2796 } else if (block_size >= MAXPHYS || block_size == 0) { 2797 xpt_print(periph->path, 2798 "unsupportable block size %ju\n", 2799 (uintmax_t) block_size); 2800 announce_buf[0] = '\0'; 2801 cam_periph_invalidate(periph); 2802 } else { 2803 dasetgeom(periph, block_size, maxsector, 2804 lbppbe, lalba & SRC16_LALBA); 2805 lbp = (lalba & SRC16_LBPME); 2806 dp = &softc->params; 2807 snprintf(announce_buf, sizeof(announce_buf), 2808 "%juMB (%ju %u byte sectors: %dH %dS/T " 2809 "%dC)", (uintmax_t) 2810 (((uintmax_t)dp->secsize * 2811 dp->sectors) / (1024*1024)), 2812 (uintmax_t)dp->sectors, 2813 dp->secsize, dp->heads, 2814 dp->secs_per_track, dp->cylinders); 2815 } 2816 } else { 2817 int error; 2818 2819 announce_buf[0] = '\0'; 2820 2821 /* 2822 * Retry any UNIT ATTENTION type errors. They 2823 * are expected at boot. 2824 */ 2825 error = daerror(done_ccb, CAM_RETRY_SELTO, 2826 SF_RETRY_UA|SF_NO_PRINT); 2827 if (error == ERESTART) { 2828 /* 2829 * A retry was scheuled, so 2830 * just return. 2831 */ 2832 return; 2833 } else if (error != 0) { 2834 struct scsi_sense_data *sense; 2835 int asc, ascq; 2836 int sense_key, error_code; 2837 int have_sense; 2838 cam_status status; 2839 struct ccb_getdev cgd; 2840 2841 /* Don't wedge this device's queue */ 2842 status = done_ccb->ccb_h.status; 2843 if ((status & CAM_DEV_QFRZN) != 0) 2844 cam_release_devq(done_ccb->ccb_h.path, 2845 /*relsim_flags*/0, 2846 /*reduction*/0, 2847 /*timeout*/0, 2848 /*getcount_only*/0); 2849 2850 2851 xpt_setup_ccb(&cgd.ccb_h, 2852 done_ccb->ccb_h.path, 2853 CAM_PRIORITY_NORMAL); 2854 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 2855 xpt_action((union ccb *)&cgd); 2856 2857 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0) 2858 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0) 2859 || ((status & CAM_AUTOSNS_VALID) == 0)) 2860 have_sense = FALSE; 2861 else 2862 have_sense = TRUE; 2863 2864 if (have_sense) { 2865 sense = &csio->sense_data; 2866 scsi_extract_sense(sense, &error_code, 2867 &sense_key, 2868 &asc, &ascq); 2869 } else 2870 error_code = sense_key = asc = ascq = 0; 2871 /* 2872 * If we tried READ CAPACITY(16) and failed, 2873 * fallback to READ CAPACITY(10). 2874 */ 2875 if ((softc->state == DA_STATE_PROBE_RC16) && 2876 (softc->flags & DA_FLAG_CAN_RC16) && 2877 (((csio->ccb_h.status & CAM_STATUS_MASK) == 2878 CAM_REQ_INVALID) || 2879 ((have_sense) && 2880 (error_code == SSD_CURRENT_ERROR) && 2881 (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) { 2882 softc->flags &= ~DA_FLAG_CAN_RC16; 2883 free(rdcap, M_SCSIDA); 2884 xpt_release_ccb(done_ccb); 2885 softc->state = DA_STATE_PROBE_RC; 2886 xpt_schedule(periph, priority); 2887 return; 2888 } else 2889 /* 2890 * Attach to anything that claims to be a 2891 * direct access or optical disk device, 2892 * as long as it doesn't return a "Logical 2893 * unit not supported" (0x25) error. 2894 */ 2895 if ((have_sense) && (asc != 0x25) 2896 && (error_code == SSD_CURRENT_ERROR)) { 2897 const char *sense_key_desc; 2898 const char *asc_desc; 2899 2900 scsi_sense_desc(sense_key, asc, ascq, 2901 &cgd.inq_data, 2902 &sense_key_desc, 2903 &asc_desc); 2904 snprintf(announce_buf, 2905 sizeof(announce_buf), 2906 "Attempt to query device " 2907 "size failed: %s, %s", 2908 sense_key_desc, 2909 asc_desc); 2910 } else { 2911 if (have_sense) 2912 scsi_sense_print( 2913 &done_ccb->csio); 2914 else { 2915 xpt_print(periph->path, 2916 "got CAM status %#x\n", 2917 done_ccb->ccb_h.status); 2918 } 2919 2920 xpt_print(periph->path, "fatal error, " 2921 "failed to attach to device\n"); 2922 2923 /* 2924 * Free up resources. 2925 */ 2926 cam_periph_invalidate(periph); 2927 } 2928 } 2929 } 2930 free(csio->data_ptr, M_SCSIDA); 2931 if (announce_buf[0] != '\0') { 2932 /* 2933 * Create our sysctl variables, now that we know 2934 * we have successfully attached. 2935 */ 2936 /* increase the refcount */ 2937 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 2938 taskqueue_enqueue(taskqueue_thread, 2939 &softc->sysctl_task); 2940 xpt_announce_periph(periph, announce_buf); 2941 xpt_announce_quirks(periph, softc->quirks, 2942 DA_Q_BIT_STRING); 2943 } else { 2944 xpt_print(periph->path, "fatal error, " 2945 "could not acquire reference count\n"); 2946 } 2947 2948 } 2949 2950 /* Ensure re-probe doesn't see old delete. */ 2951 softc->delete_available = 0; 2952 if (lbp) { 2953 /* 2954 * Based on older SBC-3 spec revisions 2955 * any of the UNMAP methods "may" be 2956 * available via LBP given this flag so 2957 * we flag all of them as availble and 2958 * then remove those which further 2959 * probes confirm aren't available 2960 * later. 2961 * 2962 * We could also check readcap(16) p_type 2963 * flag to exclude one or more invalid 2964 * write same (X) types here 2965 */ 2966 dadeleteflag(softc, DA_DELETE_WS16, 1); 2967 dadeleteflag(softc, DA_DELETE_WS10, 1); 2968 dadeleteflag(softc, DA_DELETE_ZERO, 1); 2969 dadeleteflag(softc, DA_DELETE_UNMAP, 1); 2970 2971 xpt_release_ccb(done_ccb); 2972 softc->state = DA_STATE_PROBE_LBP; 2973 xpt_schedule(periph, priority); 2974 return; 2975 } 2976 2977 xpt_release_ccb(done_ccb); 2978 softc->state = DA_STATE_PROBE_BDC; 2979 xpt_schedule(periph, priority); 2980 return; 2981 } 2982 case DA_CCB_PROBE_LBP: 2983 { 2984 struct scsi_vpd_logical_block_prov *lbp; 2985 2986 lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr; 2987 2988 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 2989 /* 2990 * T10/1799-D Revision 31 states at least one of these 2991 * must be supported but we don't currently enforce this. 2992 */ 2993 dadeleteflag(softc, DA_DELETE_WS16, 2994 (lbp->flags & SVPD_LBP_WS16)); 2995 dadeleteflag(softc, DA_DELETE_WS10, 2996 (lbp->flags & SVPD_LBP_WS10)); 2997 dadeleteflag(softc, DA_DELETE_ZERO, 2998 (lbp->flags & SVPD_LBP_WS10)); 2999 dadeleteflag(softc, DA_DELETE_UNMAP, 3000 (lbp->flags & SVPD_LBP_UNMAP)); 3001 3002 if (lbp->flags & SVPD_LBP_UNMAP) { 3003 free(lbp, M_SCSIDA); 3004 xpt_release_ccb(done_ccb); 3005 softc->state = DA_STATE_PROBE_BLK_LIMITS; 3006 xpt_schedule(periph, priority); 3007 return; 3008 } 3009 } else { 3010 int error; 3011 error = daerror(done_ccb, CAM_RETRY_SELTO, 3012 SF_RETRY_UA|SF_NO_PRINT); 3013 if (error == ERESTART) 3014 return; 3015 else if (error != 0) { 3016 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3017 /* Don't wedge this device's queue */ 3018 cam_release_devq(done_ccb->ccb_h.path, 3019 /*relsim_flags*/0, 3020 /*reduction*/0, 3021 /*timeout*/0, 3022 /*getcount_only*/0); 3023 } 3024 3025 /* 3026 * Failure indicates we don't support any SBC-3 3027 * delete methods with UNMAP 3028 */ 3029 } 3030 } 3031 3032 free(lbp, M_SCSIDA); 3033 xpt_release_ccb(done_ccb); 3034 softc->state = DA_STATE_PROBE_BDC; 3035 xpt_schedule(periph, priority); 3036 return; 3037 } 3038 case DA_CCB_PROBE_BLK_LIMITS: 3039 { 3040 struct scsi_vpd_block_limits *block_limits; 3041 3042 block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr; 3043 3044 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3045 uint32_t max_unmap_lba_cnt = scsi_4btoul( 3046 block_limits->max_unmap_lba_cnt); 3047 uint32_t max_unmap_blk_cnt = scsi_4btoul( 3048 block_limits->max_unmap_blk_cnt); 3049 uint64_t ws_max_blks = scsi_8btou64( 3050 block_limits->max_write_same_length); 3051 /* 3052 * We should already support UNMAP but we check lba 3053 * and block count to be sure 3054 */ 3055 if (max_unmap_lba_cnt != 0x00L && 3056 max_unmap_blk_cnt != 0x00L) { 3057 softc->unmap_max_lba = max_unmap_lba_cnt; 3058 softc->unmap_max_ranges = min(max_unmap_blk_cnt, 3059 UNMAP_MAX_RANGES); 3060 } else { 3061 /* 3062 * Unexpected UNMAP limits which means the 3063 * device doesn't actually support UNMAP 3064 */ 3065 dadeleteflag(softc, DA_DELETE_UNMAP, 0); 3066 } 3067 3068 if (ws_max_blks != 0x00L) 3069 softc->ws_max_blks = ws_max_blks; 3070 } else { 3071 int error; 3072 error = daerror(done_ccb, CAM_RETRY_SELTO, 3073 SF_RETRY_UA|SF_NO_PRINT); 3074 if (error == ERESTART) 3075 return; 3076 else if (error != 0) { 3077 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3078 /* Don't wedge this device's queue */ 3079 cam_release_devq(done_ccb->ccb_h.path, 3080 /*relsim_flags*/0, 3081 /*reduction*/0, 3082 /*timeout*/0, 3083 /*getcount_only*/0); 3084 } 3085 3086 /* 3087 * Failure here doesn't mean UNMAP is not 3088 * supported as this is an optional page. 3089 */ 3090 softc->unmap_max_lba = 1; 3091 softc->unmap_max_ranges = 1; 3092 } 3093 } 3094 3095 free(block_limits, M_SCSIDA); 3096 xpt_release_ccb(done_ccb); 3097 softc->state = DA_STATE_PROBE_BDC; 3098 xpt_schedule(periph, priority); 3099 return; 3100 } 3101 case DA_CCB_PROBE_BDC: 3102 { 3103 struct scsi_vpd_block_characteristics *bdc; 3104 3105 bdc = (struct scsi_vpd_block_characteristics *)csio->data_ptr; 3106 3107 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3108 /* 3109 * Disable queue sorting for non-rotational media 3110 * by default. 3111 */ 3112 if (scsi_2btoul(bdc->medium_rotation_rate) == 3113 SVPD_BDC_RATE_NONE_ROTATING) 3114 softc->sort_io_queue = 0; 3115 } else { 3116 int error; 3117 error = daerror(done_ccb, CAM_RETRY_SELTO, 3118 SF_RETRY_UA|SF_NO_PRINT); 3119 if (error == ERESTART) 3120 return; 3121 else if (error != 0) { 3122 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3123 /* Don't wedge this device's queue */ 3124 cam_release_devq(done_ccb->ccb_h.path, 3125 /*relsim_flags*/0, 3126 /*reduction*/0, 3127 /*timeout*/0, 3128 /*getcount_only*/0); 3129 } 3130 } 3131 } 3132 3133 free(bdc, M_SCSIDA); 3134 xpt_release_ccb(done_ccb); 3135 softc->state = DA_STATE_PROBE_ATA; 3136 xpt_schedule(periph, priority); 3137 return; 3138 } 3139 case DA_CCB_PROBE_ATA: 3140 { 3141 int i; 3142 struct ata_params *ata_params; 3143 int16_t *ptr; 3144 3145 ata_params = (struct ata_params *)csio->data_ptr; 3146 ptr = (uint16_t *)ata_params; 3147 3148 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3149 for (i = 0; i < sizeof(*ata_params) / 2; i++) 3150 ptr[i] = le16toh(ptr[i]); 3151 if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM) { 3152 dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1); 3153 if (ata_params->max_dsm_blocks != 0) 3154 softc->trim_max_ranges = min( 3155 softc->trim_max_ranges, 3156 ata_params->max_dsm_blocks * 3157 ATA_DSM_BLK_RANGES); 3158 } 3159 /* 3160 * Disable queue sorting for non-rotational media 3161 * by default. 3162 */ 3163 if (ata_params->media_rotation_rate == 1) 3164 softc->sort_io_queue = 0; 3165 } else { 3166 int error; 3167 error = daerror(done_ccb, CAM_RETRY_SELTO, 3168 SF_RETRY_UA|SF_NO_PRINT); 3169 if (error == ERESTART) 3170 return; 3171 else if (error != 0) { 3172 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3173 /* Don't wedge this device's queue */ 3174 cam_release_devq(done_ccb->ccb_h.path, 3175 /*relsim_flags*/0, 3176 /*reduction*/0, 3177 /*timeout*/0, 3178 /*getcount_only*/0); 3179 } 3180 } 3181 } 3182 3183 free(ata_params, M_SCSIDA); 3184 daprobedone(periph, done_ccb); 3185 return; 3186 } 3187 case DA_CCB_WAITING: 3188 { 3189 /* Caller will release the CCB */ 3190 wakeup(&done_ccb->ccb_h.cbfcnp); 3191 return; 3192 } 3193 case DA_CCB_DUMP: 3194 /* No-op. We're polling */ 3195 return; 3196 default: 3197 break; 3198 } 3199 xpt_release_ccb(done_ccb); 3200 } 3201 3202 static int 3203 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3204 { 3205 struct da_softc *softc; 3206 struct cam_periph *periph; 3207 int error; 3208 3209 periph = xpt_path_periph(ccb->ccb_h.path); 3210 softc = (struct da_softc *)periph->softc; 3211 3212 /* 3213 * Automatically detect devices that do not support 3214 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs. 3215 */ 3216 error = 0; 3217 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3218 error = cmd6workaround(ccb); 3219 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3220 CAM_SCSI_STATUS_ERROR) 3221 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID) 3222 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) 3223 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) 3224 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3225 int sense_key, error_code, asc, ascq; 3226 3227 scsi_extract_sense(&ccb->csio.sense_data, 3228 &error_code, &sense_key, &asc, &ascq); 3229 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3230 error = cmd6workaround(ccb); 3231 } 3232 if (error == ERESTART) 3233 return (ERESTART); 3234 3235 /* 3236 * XXX 3237 * Until we have a better way of doing pack validation, 3238 * don't treat UAs as errors. 3239 */ 3240 sense_flags |= SF_RETRY_UA; 3241 return(cam_periph_error(ccb, cam_flags, sense_flags, 3242 &softc->saved_ccb)); 3243 } 3244 3245 static void 3246 daprevent(struct cam_periph *periph, int action) 3247 { 3248 struct da_softc *softc; 3249 union ccb *ccb; 3250 int error; 3251 3252 softc = (struct da_softc *)periph->softc; 3253 3254 if (((action == PR_ALLOW) 3255 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0) 3256 || ((action == PR_PREVENT) 3257 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) { 3258 return; 3259 } 3260 3261 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3262 3263 scsi_prevent(&ccb->csio, 3264 /*retries*/1, 3265 /*cbcfp*/dadone, 3266 MSG_SIMPLE_Q_TAG, 3267 action, 3268 SSD_FULL_SIZE, 3269 5000); 3270 3271 error = cam_periph_runccb(ccb, /*error_routine*/NULL, CAM_RETRY_SELTO, 3272 SF_RETRY_UA, softc->disk->d_devstat); 3273 3274 if (error == 0) { 3275 if (action == PR_ALLOW) 3276 softc->flags &= ~DA_FLAG_PACK_LOCKED; 3277 else 3278 softc->flags |= DA_FLAG_PACK_LOCKED; 3279 } 3280 3281 xpt_release_ccb(ccb); 3282 } 3283 3284 static int 3285 dagetcapacity(struct cam_periph *periph) 3286 { 3287 struct da_softc *softc; 3288 union ccb *ccb; 3289 struct scsi_read_capacity_data *rcap; 3290 struct scsi_read_capacity_data_long *rcaplong; 3291 uint32_t block_len; 3292 uint64_t maxsector; 3293 int error, rc16failed; 3294 u_int32_t sense_flags; 3295 u_int lbppbe; /* Logical blocks per physical block exponent. */ 3296 u_int lalba; /* Lowest aligned LBA. */ 3297 3298 softc = (struct da_softc *)periph->softc; 3299 block_len = 0; 3300 maxsector = 0; 3301 lbppbe = 0; 3302 lalba = 0; 3303 error = 0; 3304 rc16failed = 0; 3305 sense_flags = SF_RETRY_UA; 3306 if (softc->flags & DA_FLAG_PACK_REMOVABLE) 3307 sense_flags |= SF_NO_PRINT; 3308 3309 /* Do a read capacity */ 3310 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcaplong), 3311 M_SCSIDA, 3312 M_NOWAIT | M_ZERO); 3313 if (rcap == NULL) 3314 return (ENOMEM); 3315 rcaplong = (struct scsi_read_capacity_data_long *)rcap; 3316 3317 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3318 3319 /* Try READ CAPACITY(16) first if we think it should work. */ 3320 if (softc->flags & DA_FLAG_CAN_RC16) { 3321 scsi_read_capacity_16(&ccb->csio, 3322 /*retries*/ da_retry_count, 3323 /*cbfcnp*/ dadone, 3324 /*tag_action*/ MSG_SIMPLE_Q_TAG, 3325 /*lba*/ 0, 3326 /*reladr*/ 0, 3327 /*pmi*/ 0, 3328 rcaplong, 3329 /*sense_len*/ SSD_FULL_SIZE, 3330 /*timeout*/ da_default_timeout * 1000); 3331 ccb->ccb_h.ccb_bp = NULL; 3332 3333 error = cam_periph_runccb(ccb, daerror, 3334 /*cam_flags*/CAM_RETRY_SELTO, 3335 sense_flags, 3336 softc->disk->d_devstat); 3337 if (error == 0) 3338 goto rc16ok; 3339 3340 /* If we got ILLEGAL REQUEST, do not prefer RC16 any more. */ 3341 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == 3342 CAM_REQ_INVALID) { 3343 softc->flags &= ~DA_FLAG_CAN_RC16; 3344 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) == 3345 CAM_SCSI_STATUS_ERROR) && 3346 (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) && 3347 (ccb->ccb_h.status & CAM_AUTOSNS_VALID) && 3348 ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) && 3349 ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) { 3350 int sense_key, error_code, asc, ascq; 3351 3352 scsi_extract_sense(&ccb->csio.sense_data, 3353 &error_code, &sense_key, &asc, &ascq); 3354 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3355 softc->flags &= ~DA_FLAG_CAN_RC16; 3356 } 3357 rc16failed = 1; 3358 } 3359 3360 /* Do READ CAPACITY(10). */ 3361 scsi_read_capacity(&ccb->csio, 3362 /*retries*/da_retry_count, 3363 /*cbfncp*/dadone, 3364 MSG_SIMPLE_Q_TAG, 3365 rcap, 3366 SSD_FULL_SIZE, 3367 /*timeout*/da_default_timeout * 1000); 3368 ccb->ccb_h.ccb_bp = NULL; 3369 3370 error = cam_periph_runccb(ccb, daerror, 3371 /*cam_flags*/CAM_RETRY_SELTO, 3372 sense_flags, 3373 softc->disk->d_devstat); 3374 if (error == 0) { 3375 block_len = scsi_4btoul(rcap->length); 3376 maxsector = scsi_4btoul(rcap->addr); 3377 3378 if (maxsector != 0xffffffff || rc16failed) 3379 goto done; 3380 } else 3381 goto done; 3382 3383 /* If READ CAPACITY(10) returned overflow, use READ CAPACITY(16) */ 3384 scsi_read_capacity_16(&ccb->csio, 3385 /*retries*/ da_retry_count, 3386 /*cbfcnp*/ dadone, 3387 /*tag_action*/ MSG_SIMPLE_Q_TAG, 3388 /*lba*/ 0, 3389 /*reladr*/ 0, 3390 /*pmi*/ 0, 3391 rcaplong, 3392 /*sense_len*/ SSD_FULL_SIZE, 3393 /*timeout*/ da_default_timeout * 1000); 3394 ccb->ccb_h.ccb_bp = NULL; 3395 3396 error = cam_periph_runccb(ccb, daerror, 3397 /*cam_flags*/CAM_RETRY_SELTO, 3398 sense_flags, 3399 softc->disk->d_devstat); 3400 if (error == 0) { 3401 rc16ok: 3402 block_len = scsi_4btoul(rcaplong->length); 3403 maxsector = scsi_8btou64(rcaplong->addr); 3404 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE; 3405 lalba = scsi_2btoul(rcaplong->lalba_lbp); 3406 } 3407 3408 done: 3409 3410 if (error == 0) { 3411 if (block_len >= MAXPHYS || block_len == 0) { 3412 xpt_print(periph->path, 3413 "unsupportable block size %ju\n", 3414 (uintmax_t) block_len); 3415 error = EINVAL; 3416 } else { 3417 dasetgeom(periph, block_len, maxsector, 3418 lbppbe, lalba & SRC16_LALBA); 3419 } 3420 } 3421 3422 xpt_release_ccb(ccb); 3423 3424 free(rcap, M_SCSIDA); 3425 3426 return (error); 3427 } 3428 3429 static void 3430 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector, 3431 u_int lbppbe, u_int lalba) 3432 { 3433 struct ccb_calc_geometry ccg; 3434 struct da_softc *softc; 3435 struct disk_params *dp; 3436 3437 softc = (struct da_softc *)periph->softc; 3438 3439 dp = &softc->params; 3440 dp->secsize = block_len; 3441 dp->sectors = maxsector + 1; 3442 if (lbppbe > 0) { 3443 dp->stripesize = block_len << lbppbe; 3444 dp->stripeoffset = (dp->stripesize - block_len * lalba) % 3445 dp->stripesize; 3446 } else if (softc->quirks & DA_Q_4K) { 3447 dp->stripesize = 4096; 3448 dp->stripeoffset = 0; 3449 } else { 3450 dp->stripesize = 0; 3451 dp->stripeoffset = 0; 3452 } 3453 /* 3454 * Have the controller provide us with a geometry 3455 * for this disk. The only time the geometry 3456 * matters is when we boot and the controller 3457 * is the only one knowledgeable enough to come 3458 * up with something that will make this a bootable 3459 * device. 3460 */ 3461 xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 3462 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY; 3463 ccg.block_size = dp->secsize; 3464 ccg.volume_size = dp->sectors; 3465 ccg.heads = 0; 3466 ccg.secs_per_track = 0; 3467 ccg.cylinders = 0; 3468 xpt_action((union ccb*)&ccg); 3469 if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 3470 /* 3471 * We don't know what went wrong here- but just pick 3472 * a geometry so we don't have nasty things like divide 3473 * by zero. 3474 */ 3475 dp->heads = 255; 3476 dp->secs_per_track = 255; 3477 dp->cylinders = dp->sectors / (255 * 255); 3478 if (dp->cylinders == 0) { 3479 dp->cylinders = 1; 3480 } 3481 } else { 3482 dp->heads = ccg.heads; 3483 dp->secs_per_track = ccg.secs_per_track; 3484 dp->cylinders = ccg.cylinders; 3485 } 3486 } 3487 3488 static void 3489 dasendorderedtag(void *arg) 3490 { 3491 struct da_softc *softc = arg; 3492 3493 if (da_send_ordered) { 3494 if ((softc->ordered_tag_count == 0) 3495 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) { 3496 softc->flags |= DA_FLAG_NEED_OTAG; 3497 } 3498 if (softc->outstanding_cmds > 0) 3499 softc->flags &= ~DA_FLAG_WENT_IDLE; 3500 3501 softc->ordered_tag_count = 0; 3502 } 3503 /* Queue us up again */ 3504 callout_reset(&softc->sendordered_c, 3505 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL, 3506 dasendorderedtag, softc); 3507 } 3508 3509 /* 3510 * Step through all DA peripheral drivers, and if the device is still open, 3511 * sync the disk cache to physical media. 3512 */ 3513 static void 3514 dashutdown(void * arg, int howto) 3515 { 3516 struct cam_periph *periph; 3517 struct da_softc *softc; 3518 3519 TAILQ_FOREACH(periph, &dadriver.units, unit_links) { 3520 union ccb ccb; 3521 3522 cam_periph_lock(periph); 3523 softc = (struct da_softc *)periph->softc; 3524 3525 /* 3526 * We only sync the cache if the drive is still open, and 3527 * if the drive is capable of it.. 3528 */ 3529 if (((softc->flags & DA_FLAG_OPEN) == 0) 3530 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) { 3531 cam_periph_unlock(periph); 3532 continue; 3533 } 3534 3535 xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 3536 3537 ccb.ccb_h.ccb_state = DA_CCB_DUMP; 3538 scsi_synchronize_cache(&ccb.csio, 3539 /*retries*/1, 3540 /*cbfcnp*/dadone, 3541 MSG_SIMPLE_Q_TAG, 3542 /*begin_lba*/0, /* whole disk */ 3543 /*lb_count*/0, 3544 SSD_FULL_SIZE, 3545 60 * 60 * 1000); 3546 3547 xpt_polled_action(&ccb); 3548 3549 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 3550 if (((ccb.ccb_h.status & CAM_STATUS_MASK) == 3551 CAM_SCSI_STATUS_ERROR) 3552 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){ 3553 int error_code, sense_key, asc, ascq; 3554 3555 scsi_extract_sense(&ccb.csio.sense_data, 3556 &error_code, &sense_key, 3557 &asc, &ascq); 3558 3559 if (sense_key != SSD_KEY_ILLEGAL_REQUEST) 3560 scsi_sense_print(&ccb.csio); 3561 } else { 3562 xpt_print(periph->path, "Synchronize " 3563 "cache failed, status == 0x%x, scsi status " 3564 "== 0x%x\n", ccb.ccb_h.status, 3565 ccb.csio.scsi_status); 3566 } 3567 } 3568 3569 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0) 3570 cam_release_devq(ccb.ccb_h.path, 3571 /*relsim_flags*/0, 3572 /*reduction*/0, 3573 /*timeout*/0, 3574 /*getcount_only*/0); 3575 cam_periph_unlock(periph); 3576 } 3577 } 3578 3579 #else /* !_KERNEL */ 3580 3581 /* 3582 * XXX This is only left out of the kernel build to silence warnings. If, 3583 * for some reason this function is used in the kernel, the ifdefs should 3584 * be moved so it is included both in the kernel and userland. 3585 */ 3586 void 3587 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries, 3588 void (*cbfcnp)(struct cam_periph *, union ccb *), 3589 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave, 3590 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3591 u_int32_t timeout) 3592 { 3593 struct scsi_format_unit *scsi_cmd; 3594 3595 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes; 3596 scsi_cmd->opcode = FORMAT_UNIT; 3597 scsi_cmd->byte2 = byte2; 3598 scsi_ulto2b(ileave, scsi_cmd->interleave); 3599 3600 cam_fill_csio(csio, 3601 retries, 3602 cbfcnp, 3603 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 3604 tag_action, 3605 data_ptr, 3606 dxfer_len, 3607 sense_len, 3608 sizeof(*scsi_cmd), 3609 timeout); 3610 } 3611 3612 #endif /* _KERNEL */
Cache object: 11fe1fe6671b9c692655de4633580908
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]