Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/cam/scsi/scsi_da.c
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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: releng/9.2/sys/cam/scsi/scsi_da.c 253200 2013-07-11 09:10:17Z smh $"); 31 32 #include <sys/param.h> 33 34 #ifdef _KERNEL 35 #include <sys/systm.h> 36 #include <sys/kernel.h> 37 #include <sys/bio.h> 38 #include <sys/sysctl.h> 39 #include <sys/taskqueue.h> 40 #include <sys/lock.h> 41 #include <sys/mutex.h> 42 #include <sys/conf.h> 43 #include <sys/devicestat.h> 44 #include <sys/eventhandler.h> 45 #include <sys/malloc.h> 46 #include <sys/cons.h> 47 #include <sys/endian.h> 48 #include <sys/proc.h> 49 #include <geom/geom.h> 50 #include <geom/geom_disk.h> 51 #endif /* _KERNEL */ 52 53 #ifndef _KERNEL 54 #include <stdio.h> 55 #include <string.h> 56 #endif /* _KERNEL */ 57 58 #include <cam/cam.h> 59 #include <cam/cam_ccb.h> 60 #include <cam/cam_periph.h> 61 #include <cam/cam_xpt_periph.h> 62 #include <cam/cam_sim.h> 63 64 #include <cam/scsi/scsi_message.h> 65 66 #ifndef _KERNEL 67 #include <cam/scsi/scsi_da.h> 68 #endif /* !_KERNEL */ 69 70 #ifdef _KERNEL 71 typedef enum { 72 DA_STATE_PROBE_RC, 73 DA_STATE_PROBE_RC16, 74 DA_STATE_PROBE_LBP, 75 DA_STATE_PROBE_BLK_LIMITS, 76 DA_STATE_PROBE_BDC, 77 DA_STATE_PROBE_ATA, 78 DA_STATE_NORMAL 79 } da_state; 80 81 typedef enum { 82 DA_FLAG_PACK_INVALID = 0x001, 83 DA_FLAG_NEW_PACK = 0x002, 84 DA_FLAG_PACK_LOCKED = 0x004, 85 DA_FLAG_PACK_REMOVABLE = 0x008, 86 DA_FLAG_SAW_MEDIA = 0x010, 87 DA_FLAG_NEED_OTAG = 0x020, 88 DA_FLAG_WENT_IDLE = 0x040, 89 DA_FLAG_RETRY_UA = 0x080, 90 DA_FLAG_OPEN = 0x100, 91 DA_FLAG_SCTX_INIT = 0x200, 92 DA_FLAG_CAN_RC16 = 0x400, 93 DA_FLAG_PROBED = 0x800 94 } da_flags; 95 96 typedef enum { 97 DA_Q_NONE = 0x00, 98 DA_Q_NO_SYNC_CACHE = 0x01, 99 DA_Q_NO_6_BYTE = 0x02, 100 DA_Q_NO_PREVENT = 0x04, 101 DA_Q_4K = 0x08 102 } da_quirks; 103 104 #define DA_Q_BIT_STRING \ 105 "\020" \ 106 "\001NO_SYNC_CACHE" \ 107 "\002NO_6_BYTE" \ 108 "\003NO_PREVENT" \ 109 "\0044K" 110 111 typedef enum { 112 DA_CCB_PROBE_RC = 0x01, 113 DA_CCB_PROBE_RC16 = 0x02, 114 DA_CCB_PROBE_LBP = 0x03, 115 DA_CCB_PROBE_BLK_LIMITS = 0x04, 116 DA_CCB_PROBE_BDC = 0x05, 117 DA_CCB_PROBE_ATA = 0x06, 118 DA_CCB_BUFFER_IO = 0x07, 119 DA_CCB_WAITING = 0x08, 120 DA_CCB_DUMP = 0x0A, 121 DA_CCB_DELETE = 0x0B, 122 DA_CCB_TUR = 0x0C, 123 DA_CCB_TYPE_MASK = 0x0F, 124 DA_CCB_RETRY_UA = 0x10 125 } da_ccb_state; 126 127 /* 128 * Order here is important for method choice 129 * 130 * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to 131 * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes 132 * using ATA_TRIM than the corresponding UNMAP results for a real world mysql 133 * import taking 5mins. 134 * 135 */ 136 typedef enum { 137 DA_DELETE_NONE, 138 DA_DELETE_DISABLE, 139 DA_DELETE_ATA_TRIM, 140 DA_DELETE_UNMAP, 141 DA_DELETE_WS16, 142 DA_DELETE_WS10, 143 DA_DELETE_ZERO, 144 DA_DELETE_MIN = DA_DELETE_ATA_TRIM, 145 DA_DELETE_MAX = DA_DELETE_ZERO 146 } da_delete_methods; 147 148 static const char *da_delete_method_names[] = 149 { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" }; 150 static const char *da_delete_method_desc[] = 151 { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP", 152 "WRITE SAME(10) with UNMAP", "ZERO" }; 153 154 /* Offsets into our private area for storing information */ 155 #define ccb_state ppriv_field0 156 #define ccb_bp ppriv_ptr1 157 158 struct disk_params { 159 u_int8_t heads; 160 u_int32_t cylinders; 161 u_int8_t secs_per_track; 162 u_int32_t secsize; /* Number of bytes/sector */ 163 u_int64_t sectors; /* total number sectors */ 164 u_int stripesize; 165 u_int stripeoffset; 166 }; 167 168 #define UNMAP_RANGE_MAX 0xffffffff 169 #define UNMAP_HEAD_SIZE 8 170 #define UNMAP_RANGE_SIZE 16 171 #define UNMAP_MAX_RANGES 2048 /* Protocol Max is 4095 */ 172 #define UNMAP_BUF_SIZE ((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \ 173 UNMAP_HEAD_SIZE) 174 175 #define WS10_MAX_BLKS 0xffff 176 #define WS16_MAX_BLKS 0xffffffff 177 #define ATA_TRIM_MAX_RANGES ((UNMAP_BUF_SIZE / \ 178 (ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE) 179 180 struct da_softc { 181 struct bio_queue_head bio_queue; 182 struct bio_queue_head delete_queue; 183 struct bio_queue_head delete_run_queue; 184 SLIST_ENTRY(da_softc) links; 185 LIST_HEAD(, ccb_hdr) pending_ccbs; 186 da_state state; 187 da_flags flags; 188 da_quirks quirks; 189 int sort_io_queue; 190 int minimum_cmd_size; 191 int error_inject; 192 int ordered_tag_count; 193 int outstanding_cmds; 194 int trim_max_ranges; 195 int delete_running; 196 int tur; 197 int delete_available; /* Delete methods possibly available */ 198 uint32_t unmap_max_ranges; 199 uint32_t unmap_max_lba; 200 uint64_t ws_max_blks; 201 da_delete_methods delete_method; 202 struct disk_params params; 203 struct disk *disk; 204 union ccb saved_ccb; 205 struct task sysctl_task; 206 struct sysctl_ctx_list sysctl_ctx; 207 struct sysctl_oid *sysctl_tree; 208 struct callout sendordered_c; 209 uint64_t wwpn; 210 uint8_t unmap_buf[UNMAP_BUF_SIZE]; 211 struct scsi_read_capacity_data_long rcaplong; 212 struct callout mediapoll_c; 213 }; 214 215 #define dadeleteflag(softc, delete_method, enable) \ 216 if (enable) { \ 217 softc->delete_available |= (1 << delete_method); \ 218 } else { \ 219 softc->delete_available &= ~(1 << delete_method); \ 220 } 221 222 struct da_quirk_entry { 223 struct scsi_inquiry_pattern inq_pat; 224 da_quirks quirks; 225 }; 226 227 static const char quantum[] = "QUANTUM"; 228 static const char microp[] = "MICROP"; 229 230 static struct da_quirk_entry da_quirk_table[] = 231 { 232 /* SPI, FC devices */ 233 { 234 /* 235 * Fujitsu M2513A MO drives. 236 * Tested devices: M2513A2 firmware versions 1200 & 1300. 237 * (dip switch selects whether T_DIRECT or T_OPTICAL device) 238 * Reported by: W.Scholten <whs@xs4all.nl> 239 */ 240 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 241 /*quirks*/ DA_Q_NO_SYNC_CACHE 242 }, 243 { 244 /* See above. */ 245 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 246 /*quirks*/ DA_Q_NO_SYNC_CACHE 247 }, 248 { 249 /* 250 * This particular Fujitsu drive doesn't like the 251 * synchronize cache command. 252 * Reported by: Tom Jackson <toj@gorilla.net> 253 */ 254 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"}, 255 /*quirks*/ DA_Q_NO_SYNC_CACHE 256 }, 257 { 258 /* 259 * This drive doesn't like the synchronize cache command 260 * either. Reported by: Matthew Jacob <mjacob@feral.com> 261 * in NetBSD PR kern/6027, August 24, 1998. 262 */ 263 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"}, 264 /*quirks*/ DA_Q_NO_SYNC_CACHE 265 }, 266 { 267 /* 268 * This drive doesn't like the synchronize cache command 269 * either. Reported by: Hellmuth Michaelis (hm@kts.org) 270 * (PR 8882). 271 */ 272 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"}, 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, "NEC", "D3847*", "*"}, 281 /*quirks*/ DA_Q_NO_SYNC_CACHE 282 }, 283 { 284 /* 285 * Doesn't like the synchronize cache command. 286 * Reported by: Blaz Zupan <blaz@gold.amis.net> 287 */ 288 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"}, 289 /*quirks*/ DA_Q_NO_SYNC_CACHE 290 }, 291 { 292 /* 293 * Doesn't like the synchronize cache command. 294 */ 295 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"}, 296 /*quirks*/ DA_Q_NO_SYNC_CACHE 297 }, 298 { 299 /* 300 * Doesn't like the synchronize cache command. 301 * Reported by: walter@pelissero.de 302 */ 303 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"}, 304 /*quirks*/ DA_Q_NO_SYNC_CACHE 305 }, 306 { 307 /* 308 * Doesn't work correctly with 6 byte reads/writes. 309 * Returns illegal request, and points to byte 9 of the 310 * 6-byte CDB. 311 * Reported by: Adam McDougall <bsdx@spawnet.com> 312 */ 313 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"}, 314 /*quirks*/ DA_Q_NO_6_BYTE 315 }, 316 { 317 /* See above. */ 318 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"}, 319 /*quirks*/ DA_Q_NO_6_BYTE 320 }, 321 { 322 /* 323 * Doesn't like the synchronize cache command. 324 * Reported by: walter@pelissero.de 325 */ 326 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"}, 327 /*quirks*/ DA_Q_NO_SYNC_CACHE 328 }, 329 { 330 /* 331 * The CISS RAID controllers do not support SYNC_CACHE 332 */ 333 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"}, 334 /*quirks*/ DA_Q_NO_SYNC_CACHE 335 }, 336 /* USB mass storage devices supported by umass(4) */ 337 { 338 /* 339 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player 340 * PR: kern/51675 341 */ 342 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"}, 343 /*quirks*/ DA_Q_NO_SYNC_CACHE 344 }, 345 { 346 /* 347 * Power Quotient Int. (PQI) USB flash key 348 * PR: kern/53067 349 */ 350 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*", 351 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 352 }, 353 { 354 /* 355 * Creative Nomad MUVO mp3 player (USB) 356 * PR: kern/53094 357 */ 358 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"}, 359 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 360 }, 361 { 362 /* 363 * Jungsoft NEXDISK USB flash key 364 * PR: kern/54737 365 */ 366 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"}, 367 /*quirks*/ DA_Q_NO_SYNC_CACHE 368 }, 369 { 370 /* 371 * FreeDik USB Mini Data Drive 372 * PR: kern/54786 373 */ 374 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive", 375 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 376 }, 377 { 378 /* 379 * Sigmatel USB Flash MP3 Player 380 * PR: kern/57046 381 */ 382 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"}, 383 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 384 }, 385 { 386 /* 387 * Neuros USB Digital Audio Computer 388 * PR: kern/63645 389 */ 390 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.", 391 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 392 }, 393 { 394 /* 395 * SEAGRAND NP-900 MP3 Player 396 * PR: kern/64563 397 */ 398 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"}, 399 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 400 }, 401 { 402 /* 403 * iRiver iFP MP3 player (with UMS Firmware) 404 * PR: kern/54881, i386/63941, kern/66124 405 */ 406 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"}, 407 /*quirks*/ DA_Q_NO_SYNC_CACHE 408 }, 409 { 410 /* 411 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01 412 * PR: kern/70158 413 */ 414 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"}, 415 /*quirks*/ DA_Q_NO_SYNC_CACHE 416 }, 417 { 418 /* 419 * ZICPlay USB MP3 Player with FM 420 * PR: kern/75057 421 */ 422 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"}, 423 /*quirks*/ DA_Q_NO_SYNC_CACHE 424 }, 425 { 426 /* 427 * TEAC USB floppy mechanisms 428 */ 429 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"}, 430 /*quirks*/ DA_Q_NO_SYNC_CACHE 431 }, 432 { 433 /* 434 * Kingston DataTraveler II+ USB Pen-Drive. 435 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org> 436 */ 437 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+", 438 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 439 }, 440 { 441 /* 442 * USB DISK Pro PMAP 443 * Reported by: jhs 444 * PR: usb/96381 445 */ 446 {T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"}, 447 /*quirks*/ DA_Q_NO_SYNC_CACHE 448 }, 449 { 450 /* 451 * Motorola E398 Mobile Phone (TransFlash memory card). 452 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl> 453 * PR: usb/89889 454 */ 455 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone", 456 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 457 }, 458 { 459 /* 460 * Qware BeatZkey! Pro 461 * PR: usb/79164 462 */ 463 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE", 464 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 465 }, 466 { 467 /* 468 * Time DPA20B 1GB MP3 Player 469 * PR: usb/81846 470 */ 471 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*", 472 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 473 }, 474 { 475 /* 476 * Samsung USB key 128Mb 477 * PR: usb/90081 478 */ 479 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb", 480 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 481 }, 482 { 483 /* 484 * Kingston DataTraveler 2.0 USB Flash memory. 485 * PR: usb/89196 486 */ 487 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0", 488 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 489 }, 490 { 491 /* 492 * Creative MUVO Slim mp3 player (USB) 493 * PR: usb/86131 494 */ 495 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim", 496 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 497 }, 498 { 499 /* 500 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3) 501 * PR: usb/80487 502 */ 503 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK", 504 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 505 }, 506 { 507 /* 508 * SanDisk Micro Cruzer 128MB 509 * PR: usb/75970 510 */ 511 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer", 512 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 513 }, 514 { 515 /* 516 * TOSHIBA TransMemory USB sticks 517 * PR: kern/94660 518 */ 519 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory", 520 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 521 }, 522 { 523 /* 524 * PNY USB Flash keys 525 * PR: usb/75578, usb/72344, usb/65436 526 */ 527 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*", 528 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 529 }, 530 { 531 /* 532 * Genesys 6-in-1 Card Reader 533 * PR: usb/94647 534 */ 535 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*", 536 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 537 }, 538 { 539 /* 540 * Rekam Digital CAMERA 541 * PR: usb/98713 542 */ 543 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*", 544 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 545 }, 546 { 547 /* 548 * iRiver H10 MP3 player 549 * PR: usb/102547 550 */ 551 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*", 552 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 553 }, 554 { 555 /* 556 * iRiver U10 MP3 player 557 * PR: usb/92306 558 */ 559 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*", 560 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 561 }, 562 { 563 /* 564 * X-Micro Flash Disk 565 * PR: usb/96901 566 */ 567 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk", 568 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 569 }, 570 { 571 /* 572 * EasyMP3 EM732X USB 2.0 Flash MP3 Player 573 * PR: usb/96546 574 */ 575 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*", 576 "1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 577 }, 578 { 579 /* 580 * Denver MP3 player 581 * PR: usb/107101 582 */ 583 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER", 584 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 585 }, 586 { 587 /* 588 * Philips USB Key Audio KEY013 589 * PR: usb/68412 590 */ 591 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"}, 592 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT 593 }, 594 { 595 /* 596 * JNC MP3 Player 597 * PR: usb/94439 598 */ 599 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*", 600 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 601 }, 602 { 603 /* 604 * SAMSUNG MP0402H 605 * PR: usb/108427 606 */ 607 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"}, 608 /*quirks*/ DA_Q_NO_SYNC_CACHE 609 }, 610 { 611 /* 612 * I/O Magic USB flash - Giga Bank 613 * PR: usb/108810 614 */ 615 {T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"}, 616 /*quirks*/ DA_Q_NO_SYNC_CACHE 617 }, 618 { 619 /* 620 * JoyFly 128mb USB Flash Drive 621 * PR: 96133 622 */ 623 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*", 624 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 625 }, 626 { 627 /* 628 * ChipsBnk usb stick 629 * PR: 103702 630 */ 631 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*", 632 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 633 }, 634 { 635 /* 636 * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A 637 * PR: 129858 638 */ 639 {T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*", 640 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 641 }, 642 { 643 /* 644 * Samsung YP-U3 mp3-player 645 * PR: 125398 646 */ 647 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3", 648 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 649 }, 650 { 651 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*", 652 "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 653 }, 654 { 655 /* 656 * Sony Cyber-Shot DSC cameras 657 * PR: usb/137035 658 */ 659 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"}, 660 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT 661 }, 662 { 663 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3", 664 "1.00"}, /*quirks*/ DA_Q_NO_PREVENT 665 }, 666 /* ATA/SATA devices over SAS/USB/... */ 667 { 668 /* Hitachi Advanced Format (4k) drives */ 669 { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" }, 670 /*quirks*/DA_Q_4K 671 }, 672 { 673 /* Samsung Advanced Format (4k) drives */ 674 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" }, 675 /*quirks*/DA_Q_4K 676 }, 677 { 678 /* Samsung Advanced Format (4k) drives */ 679 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" }, 680 /*quirks*/DA_Q_4K 681 }, 682 { 683 /* Samsung Advanced Format (4k) drives */ 684 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" }, 685 /*quirks*/DA_Q_4K 686 }, 687 { 688 /* Samsung Advanced Format (4k) drives */ 689 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" }, 690 /*quirks*/DA_Q_4K 691 }, 692 { 693 /* Seagate Barracuda Green Advanced Format (4k) drives */ 694 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" }, 695 /*quirks*/DA_Q_4K 696 }, 697 { 698 /* Seagate Barracuda Green Advanced Format (4k) drives */ 699 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" }, 700 /*quirks*/DA_Q_4K 701 }, 702 { 703 /* Seagate Barracuda Green Advanced Format (4k) drives */ 704 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" }, 705 /*quirks*/DA_Q_4K 706 }, 707 { 708 /* Seagate Barracuda Green Advanced Format (4k) drives */ 709 { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" }, 710 /*quirks*/DA_Q_4K 711 }, 712 { 713 /* Seagate Barracuda Green Advanced Format (4k) drives */ 714 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" }, 715 /*quirks*/DA_Q_4K 716 }, 717 { 718 /* Seagate Barracuda Green Advanced Format (4k) drives */ 719 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" }, 720 /*quirks*/DA_Q_4K 721 }, 722 { 723 /* Seagate Momentus Advanced Format (4k) drives */ 724 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" }, 725 /*quirks*/DA_Q_4K 726 }, 727 { 728 /* Seagate Momentus Advanced Format (4k) drives */ 729 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" }, 730 /*quirks*/DA_Q_4K 731 }, 732 { 733 /* Seagate Momentus Advanced Format (4k) drives */ 734 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" }, 735 /*quirks*/DA_Q_4K 736 }, 737 { 738 /* Seagate Momentus Advanced Format (4k) drives */ 739 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" }, 740 /*quirks*/DA_Q_4K 741 }, 742 { 743 /* Seagate Momentus Advanced Format (4k) drives */ 744 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" }, 745 /*quirks*/DA_Q_4K 746 }, 747 { 748 /* Seagate Momentus Advanced Format (4k) drives */ 749 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" }, 750 /*quirks*/DA_Q_4K 751 }, 752 { 753 /* Seagate Momentus Advanced Format (4k) drives */ 754 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" }, 755 /*quirks*/DA_Q_4K 756 }, 757 { 758 /* Seagate Momentus Advanced Format (4k) drives */ 759 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" }, 760 /*quirks*/DA_Q_4K 761 }, 762 { 763 /* Seagate Momentus Advanced Format (4k) drives */ 764 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" }, 765 /*quirks*/DA_Q_4K 766 }, 767 { 768 /* Seagate Momentus Advanced Format (4k) drives */ 769 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" }, 770 /*quirks*/DA_Q_4K 771 }, 772 { 773 /* Seagate Momentus Advanced Format (4k) drives */ 774 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" }, 775 /*quirks*/DA_Q_4K 776 }, 777 { 778 /* Seagate Momentus Advanced Format (4k) drives */ 779 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" }, 780 /*quirks*/DA_Q_4K 781 }, 782 { 783 /* Seagate Momentus Advanced Format (4k) drives */ 784 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" }, 785 /*quirks*/DA_Q_4K 786 }, 787 { 788 /* Seagate Momentus Advanced Format (4k) drives */ 789 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" }, 790 /*quirks*/DA_Q_4K 791 }, 792 { 793 /* Seagate Momentus Thin Advanced Format (4k) drives */ 794 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" }, 795 /*quirks*/DA_Q_4K 796 }, 797 { 798 /* Seagate Momentus Thin Advanced Format (4k) drives */ 799 { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" }, 800 /*quirks*/DA_Q_4K 801 }, 802 { 803 /* WDC Caviar Green Advanced Format (4k) drives */ 804 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" }, 805 /*quirks*/DA_Q_4K 806 }, 807 { 808 /* WDC Caviar Green Advanced Format (4k) drives */ 809 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" }, 810 /*quirks*/DA_Q_4K 811 }, 812 { 813 /* WDC Caviar Green Advanced Format (4k) drives */ 814 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" }, 815 /*quirks*/DA_Q_4K 816 }, 817 { 818 /* WDC Caviar Green Advanced Format (4k) drives */ 819 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" }, 820 /*quirks*/DA_Q_4K 821 }, 822 { 823 /* WDC Caviar Green Advanced Format (4k) drives */ 824 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" }, 825 /*quirks*/DA_Q_4K 826 }, 827 { 828 /* WDC Caviar Green Advanced Format (4k) drives */ 829 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" }, 830 /*quirks*/DA_Q_4K 831 }, 832 { 833 /* WDC Caviar Green Advanced Format (4k) drives */ 834 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" }, 835 /*quirks*/DA_Q_4K 836 }, 837 { 838 /* WDC Caviar Green Advanced Format (4k) drives */ 839 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" }, 840 /*quirks*/DA_Q_4K 841 }, 842 { 843 /* WDC Scorpio Black Advanced Format (4k) drives */ 844 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" }, 845 /*quirks*/DA_Q_4K 846 }, 847 { 848 /* WDC Scorpio Black Advanced Format (4k) drives */ 849 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" }, 850 /*quirks*/DA_Q_4K 851 }, 852 { 853 /* WDC Scorpio Black Advanced Format (4k) drives */ 854 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" }, 855 /*quirks*/DA_Q_4K 856 }, 857 { 858 /* WDC Scorpio Black Advanced Format (4k) drives */ 859 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" }, 860 /*quirks*/DA_Q_4K 861 }, 862 { 863 /* WDC Scorpio Blue Advanced Format (4k) drives */ 864 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" }, 865 /*quirks*/DA_Q_4K 866 }, 867 { 868 /* WDC Scorpio Blue Advanced Format (4k) drives */ 869 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" }, 870 /*quirks*/DA_Q_4K 871 }, 872 { 873 /* WDC Scorpio Blue Advanced Format (4k) drives */ 874 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" }, 875 /*quirks*/DA_Q_4K 876 }, 877 { 878 /* WDC Scorpio Blue Advanced Format (4k) drives */ 879 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" }, 880 /*quirks*/DA_Q_4K 881 }, 882 { 883 /* 884 * Olympus FE-210 camera 885 */ 886 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*", 887 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 888 }, 889 { 890 /* 891 * LG UP3S MP3 player 892 */ 893 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S", 894 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 895 }, 896 { 897 /* 898 * Laser MP3-2GA13 MP3 player 899 */ 900 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk", 901 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 902 }, 903 { 904 /* 905 * LaCie external 250GB Hard drive des by Porsche 906 * Submitted by: Ben Stuyts <ben@altesco.nl> 907 * PR: 121474 908 */ 909 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"}, 910 /*quirks*/ DA_Q_NO_SYNC_CACHE 911 }, 912 /* SATA SSDs */ 913 { 914 /* 915 * Corsair Force 2 SSDs 916 * 4k optimised & trim only works in 4k requests + 4k aligned 917 */ 918 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair CSSD-F*", "*" }, 919 /*quirks*/DA_Q_4K 920 }, 921 { 922 /* 923 * Corsair Force 3 SSDs 924 * 4k optimised & trim only works in 4k requests + 4k aligned 925 */ 926 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force 3*", "*" }, 927 /*quirks*/DA_Q_4K 928 }, 929 { 930 /* 931 * Corsair Force GT SSDs 932 * 4k optimised & trim only works in 4k requests + 4k aligned 933 */ 934 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force GT*", "*" }, 935 /*quirks*/DA_Q_4K 936 }, 937 { 938 /* 939 * Crucial M4 SSDs 940 * 4k optimised & trim only works in 4k requests + 4k aligned 941 */ 942 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "M4-CT???M4SSD2*", "*" }, 943 /*quirks*/DA_Q_4K 944 }, 945 { 946 /* 947 * Crucial RealSSD C300 SSDs 948 * 4k optimised 949 */ 950 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "C300-CTFDDAC???MAG*", 951 "*" }, /*quirks*/DA_Q_4K 952 }, 953 { 954 /* 955 * Intel 320 Series SSDs 956 * 4k optimised & trim only works in 4k requests + 4k aligned 957 */ 958 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2CW*", "*" }, 959 /*quirks*/DA_Q_4K 960 }, 961 { 962 /* 963 * Intel 330 Series SSDs 964 * 4k optimised & trim only works in 4k requests + 4k aligned 965 */ 966 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2CT*", "*" }, 967 /*quirks*/DA_Q_4K 968 }, 969 { 970 /* 971 * Intel 510 Series SSDs 972 * 4k optimised & trim only works in 4k requests + 4k aligned 973 */ 974 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2MH*", "*" }, 975 /*quirks*/DA_Q_4K 976 }, 977 { 978 /* 979 * Intel 520 Series SSDs 980 * 4k optimised & trim only works in 4k requests + 4k aligned 981 */ 982 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BW*", "*" }, 983 /*quirks*/DA_Q_4K 984 }, 985 { 986 /* 987 * Kingston E100 Series SSDs 988 * 4k optimised & trim only works in 4k requests + 4k aligned 989 */ 990 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SE100S3*", "*" }, 991 /*quirks*/DA_Q_4K 992 }, 993 { 994 /* 995 * Kingston HyperX 3k SSDs 996 * 4k optimised & trim only works in 4k requests + 4k aligned 997 */ 998 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SH103S3*", "*" }, 999 /*quirks*/DA_Q_4K 1000 }, 1001 { 1002 /* 1003 * OCZ Agility 3 SSDs 1004 * 4k optimised & trim only works in 4k requests + 4k aligned 1005 */ 1006 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-AGILITY3*", "*" }, 1007 /*quirks*/DA_Q_4K 1008 }, 1009 { 1010 /* 1011 * OCZ Deneva R Series SSDs 1012 * 4k optimised & trim only works in 4k requests + 4k aligned 1013 */ 1014 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "DENRSTE251M45*", "*" }, 1015 /*quirks*/DA_Q_4K 1016 }, 1017 { 1018 /* 1019 * OCZ Vertex 2 SSDs (inc pro series) 1020 * 4k optimised & trim only works in 4k requests + 4k aligned 1021 */ 1022 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ?VERTEX2*", "*" }, 1023 /*quirks*/DA_Q_4K 1024 }, 1025 { 1026 /* 1027 * OCZ Vertex 3 SSDs 1028 * 4k optimised & trim only works in 4k requests + 4k aligned 1029 */ 1030 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX3*", "*" }, 1031 /*quirks*/DA_Q_4K 1032 }, 1033 { 1034 /* 1035 * OCZ Vertex 4 SSDs 1036 * 4k optimised & trim only works in 4k requests + 4k aligned 1037 */ 1038 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX4*", "*" }, 1039 /*quirks*/DA_Q_4K 1040 }, 1041 { 1042 /* 1043 * Samsung 830 Series SSDs 1044 * 4k optimised & trim only works in 4k requests + 4k aligned 1045 */ 1046 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG SSD 830 Series*", "*" }, 1047 /*quirks*/DA_Q_4K 1048 }, 1049 { 1050 /* 1051 * SuperTalent TeraDrive CT SSDs 1052 * 4k optimised & trim only works in 4k requests + 4k aligned 1053 */ 1054 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" }, 1055 /*quirks*/DA_Q_4K 1056 }, 1057 { 1058 /* 1059 * XceedIOPS SATA SSDs 1060 * 4k optimised 1061 */ 1062 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" }, 1063 /*quirks*/DA_Q_4K 1064 }, 1065 }; 1066 1067 static disk_strategy_t dastrategy; 1068 static dumper_t dadump; 1069 static periph_init_t dainit; 1070 static void daasync(void *callback_arg, u_int32_t code, 1071 struct cam_path *path, void *arg); 1072 static void dasysctlinit(void *context, int pending); 1073 static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS); 1074 static int dadeletemethodsysctl(SYSCTL_HANDLER_ARGS); 1075 static int dadeletemaxsysctl(SYSCTL_HANDLER_ARGS); 1076 static void dadeletemethodset(struct da_softc *softc, 1077 da_delete_methods delete_method); 1078 static off_t dadeletemaxsize(struct da_softc *softc, 1079 da_delete_methods delete_method); 1080 static void dadeletemethodchoose(struct da_softc *softc, 1081 da_delete_methods default_method); 1082 static void daprobedone(struct cam_periph *periph, union ccb *ccb); 1083 1084 static periph_ctor_t daregister; 1085 static periph_dtor_t dacleanup; 1086 static periph_start_t dastart; 1087 static periph_oninv_t daoninvalidate; 1088 static void dadone(struct cam_periph *periph, 1089 union ccb *done_ccb); 1090 static int daerror(union ccb *ccb, u_int32_t cam_flags, 1091 u_int32_t sense_flags); 1092 static void daprevent(struct cam_periph *periph, int action); 1093 static void dareprobe(struct cam_periph *periph); 1094 static void dasetgeom(struct cam_periph *periph, uint32_t block_len, 1095 uint64_t maxsector, 1096 struct scsi_read_capacity_data_long *rcaplong, 1097 size_t rcap_size); 1098 static timeout_t dasendorderedtag; 1099 static void dashutdown(void *arg, int howto); 1100 static timeout_t damediapoll; 1101 1102 #ifndef DA_DEFAULT_POLL_PERIOD 1103 #define DA_DEFAULT_POLL_PERIOD 3 1104 #endif 1105 1106 #ifndef DA_DEFAULT_TIMEOUT 1107 #define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */ 1108 #endif 1109 1110 #ifndef DA_DEFAULT_RETRY 1111 #define DA_DEFAULT_RETRY 4 1112 #endif 1113 1114 #ifndef DA_DEFAULT_SEND_ORDERED 1115 #define DA_DEFAULT_SEND_ORDERED 1 1116 #endif 1117 1118 #define DA_SIO (softc->sort_io_queue >= 0 ? \ 1119 softc->sort_io_queue : cam_sort_io_queues) 1120 1121 static int da_poll_period = DA_DEFAULT_POLL_PERIOD; 1122 static int da_retry_count = DA_DEFAULT_RETRY; 1123 static int da_default_timeout = DA_DEFAULT_TIMEOUT; 1124 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED; 1125 1126 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0, 1127 "CAM Direct Access Disk driver"); 1128 SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RW, 1129 &da_poll_period, 0, "Media polling period in seconds"); 1130 TUNABLE_INT("kern.cam.da.poll_period", &da_poll_period); 1131 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW, 1132 &da_retry_count, 0, "Normal I/O retry count"); 1133 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count); 1134 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW, 1135 &da_default_timeout, 0, "Normal I/O timeout (in seconds)"); 1136 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout); 1137 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RW, 1138 &da_send_ordered, 0, "Send Ordered Tags"); 1139 TUNABLE_INT("kern.cam.da.send_ordered", &da_send_ordered); 1140 1141 /* 1142 * DA_ORDEREDTAG_INTERVAL determines how often, relative 1143 * to the default timeout, we check to see whether an ordered 1144 * tagged transaction is appropriate to prevent simple tag 1145 * starvation. Since we'd like to ensure that there is at least 1146 * 1/2 of the timeout length left for a starved transaction to 1147 * complete after we've sent an ordered tag, we must poll at least 1148 * four times in every timeout period. This takes care of the worst 1149 * case where a starved transaction starts during an interval that 1150 * meets the requirement "don't send an ordered tag" test so it takes 1151 * us two intervals to determine that a tag must be sent. 1152 */ 1153 #ifndef DA_ORDEREDTAG_INTERVAL 1154 #define DA_ORDEREDTAG_INTERVAL 4 1155 #endif 1156 1157 static struct periph_driver dadriver = 1158 { 1159 dainit, "da", 1160 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0 1161 }; 1162 1163 PERIPHDRIVER_DECLARE(da, dadriver); 1164 1165 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers"); 1166 1167 static int 1168 daopen(struct disk *dp) 1169 { 1170 struct cam_periph *periph; 1171 struct da_softc *softc; 1172 int unit; 1173 int error; 1174 1175 periph = (struct cam_periph *)dp->d_drv1; 1176 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1177 return (ENXIO); 1178 } 1179 1180 cam_periph_lock(periph); 1181 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 1182 cam_periph_unlock(periph); 1183 cam_periph_release(periph); 1184 return (error); 1185 } 1186 1187 unit = periph->unit_number; 1188 softc = (struct da_softc *)periph->softc; 1189 softc->flags |= DA_FLAG_OPEN; 1190 1191 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 1192 ("daopen\n")); 1193 1194 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 1195 /* Invalidate our pack information. */ 1196 softc->flags &= ~DA_FLAG_PACK_INVALID; 1197 } 1198 1199 dareprobe(periph); 1200 1201 /* Wait for the disk size update. */ 1202 error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO, 1203 "dareprobe", 0); 1204 if (error != 0) 1205 xpt_print(periph->path, "unable to retrieve capacity data"); 1206 1207 if (periph->flags & CAM_PERIPH_INVALID || 1208 softc->disk->d_sectorsize == 0 || 1209 softc->disk->d_mediasize == 0) 1210 error = ENXIO; 1211 1212 if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 1213 (softc->quirks & DA_Q_NO_PREVENT) == 0) 1214 daprevent(periph, PR_PREVENT); 1215 1216 if (error == 0) 1217 softc->flags |= DA_FLAG_SAW_MEDIA; 1218 1219 cam_periph_unhold(periph); 1220 cam_periph_unlock(periph); 1221 1222 if (error != 0) { 1223 softc->flags &= ~DA_FLAG_OPEN; 1224 cam_periph_release(periph); 1225 } 1226 1227 return (error); 1228 } 1229 1230 static int 1231 daclose(struct disk *dp) 1232 { 1233 struct cam_periph *periph; 1234 struct da_softc *softc; 1235 1236 periph = (struct cam_periph *)dp->d_drv1; 1237 cam_periph_lock(periph); 1238 if (cam_periph_hold(periph, PRIBIO) != 0) { 1239 cam_periph_unlock(periph); 1240 cam_periph_release(periph); 1241 return (0); 1242 } 1243 1244 softc = (struct da_softc *)periph->softc; 1245 1246 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 1247 ("daclose\n")); 1248 1249 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 1250 && (softc->flags & DA_FLAG_PACK_INVALID) == 0) { 1251 union ccb *ccb; 1252 1253 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1254 1255 scsi_synchronize_cache(&ccb->csio, 1256 /*retries*/1, 1257 /*cbfcnp*/dadone, 1258 MSG_SIMPLE_Q_TAG, 1259 /*begin_lba*/0,/* Cover the whole disk */ 1260 /*lb_count*/0, 1261 SSD_FULL_SIZE, 1262 5 * 60 * 1000); 1263 1264 cam_periph_runccb(ccb, daerror, /*cam_flags*/0, 1265 /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR, 1266 softc->disk->d_devstat); 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 if (softc->state != DA_STATE_NORMAL) 1296 return; 1297 1298 /* Check if cam_periph_getccb() was called. */ 1299 prio = periph->immediate_priority; 1300 1301 /* Check if we have more work to do. */ 1302 if (bioq_first(&softc->bio_queue) || 1303 (!softc->delete_running && bioq_first(&softc->delete_queue)) || 1304 softc->tur) { 1305 prio = CAM_PRIORITY_NORMAL; 1306 } 1307 1308 /* Schedule CCB if any of above is true. */ 1309 if (prio != CAM_PRIORITY_NONE) 1310 xpt_schedule(periph, prio); 1311 } 1312 1313 /* 1314 * Actually translate the requested transfer into one the physical driver 1315 * can understand. The transfer is described by a buf and will include 1316 * only one physical transfer. 1317 */ 1318 static void 1319 dastrategy(struct bio *bp) 1320 { 1321 struct cam_periph *periph; 1322 struct da_softc *softc; 1323 1324 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 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 int error = 0; 1374 1375 dp = arg; 1376 periph = dp->d_drv1; 1377 softc = (struct da_softc *)periph->softc; 1378 cam_periph_lock(periph); 1379 secsize = softc->params.secsize; 1380 1381 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 1382 cam_periph_unlock(periph); 1383 return (ENXIO); 1384 } 1385 1386 if (length > 0) { 1387 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1388 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1389 scsi_read_write(&csio, 1390 /*retries*/0, 1391 dadone, 1392 MSG_ORDERED_Q_TAG, 1393 /*read*/SCSI_RW_WRITE, 1394 /*byte2*/0, 1395 /*minimum_cmd_size*/ softc->minimum_cmd_size, 1396 offset / secsize, 1397 length / secsize, 1398 /*data_ptr*/(u_int8_t *) virtual, 1399 /*dxfer_len*/length, 1400 /*sense_len*/SSD_FULL_SIZE, 1401 da_default_timeout * 1000); 1402 xpt_polled_action((union ccb *)&csio); 1403 1404 error = cam_periph_error((union ccb *)&csio, 1405 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1406 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0) 1407 cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0, 1408 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 1409 if (error != 0) 1410 printf("Aborting dump due to I/O error.\n"); 1411 cam_periph_unlock(periph); 1412 return (error); 1413 } 1414 1415 /* 1416 * Sync the disk cache contents to the physical media. 1417 */ 1418 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 1419 1420 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1421 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1422 scsi_synchronize_cache(&csio, 1423 /*retries*/0, 1424 /*cbfcnp*/dadone, 1425 MSG_SIMPLE_Q_TAG, 1426 /*begin_lba*/0,/* Cover the whole disk */ 1427 /*lb_count*/0, 1428 SSD_FULL_SIZE, 1429 5 * 60 * 1000); 1430 xpt_polled_action((union ccb *)&csio); 1431 1432 error = cam_periph_error((union ccb *)&csio, 1433 0, SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, NULL); 1434 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0) 1435 cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0, 1436 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 1437 if (error != 0) 1438 xpt_print(periph->path, "Synchronize cache failed\n"); 1439 } 1440 cam_periph_unlock(periph); 1441 return (error); 1442 } 1443 1444 static int 1445 dagetattr(struct bio *bp) 1446 { 1447 int ret; 1448 struct cam_periph *periph; 1449 1450 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1451 cam_periph_lock(periph); 1452 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1453 periph->path); 1454 cam_periph_unlock(periph); 1455 if (ret == 0) 1456 bp->bio_completed = bp->bio_length; 1457 return ret; 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 /* 1484 * Callback from GEOM, called when it has finished cleaning up its 1485 * resources. 1486 */ 1487 static void 1488 dadiskgonecb(struct disk *dp) 1489 { 1490 struct cam_periph *periph; 1491 1492 periph = (struct cam_periph *)dp->d_drv1; 1493 cam_periph_release(periph); 1494 } 1495 1496 static void 1497 daoninvalidate(struct cam_periph *periph) 1498 { 1499 struct da_softc *softc; 1500 1501 softc = (struct da_softc *)periph->softc; 1502 1503 /* 1504 * De-register any async callbacks. 1505 */ 1506 xpt_register_async(0, daasync, periph, periph->path); 1507 1508 softc->flags |= DA_FLAG_PACK_INVALID; 1509 1510 /* 1511 * Return all queued I/O with ENXIO. 1512 * XXX Handle any transactions queued to the card 1513 * with XPT_ABORT_CCB. 1514 */ 1515 bioq_flush(&softc->bio_queue, NULL, ENXIO); 1516 bioq_flush(&softc->delete_queue, NULL, ENXIO); 1517 1518 /* 1519 * Tell GEOM that we've gone away, we'll get a callback when it is 1520 * done cleaning up its resources. 1521 */ 1522 disk_gone(softc->disk); 1523 1524 xpt_print(periph->path, "lost device - %d outstanding, %d refs\n", 1525 softc->outstanding_cmds, periph->refcount); 1526 } 1527 1528 static void 1529 dacleanup(struct cam_periph *periph) 1530 { 1531 struct da_softc *softc; 1532 1533 softc = (struct da_softc *)periph->softc; 1534 1535 xpt_print(periph->path, "removing device entry\n"); 1536 cam_periph_unlock(periph); 1537 1538 /* 1539 * If we can't free the sysctl tree, oh well... 1540 */ 1541 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0 1542 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 1543 xpt_print(periph->path, "can't remove sysctl context\n"); 1544 } 1545 1546 callout_drain(&softc->mediapoll_c); 1547 disk_destroy(softc->disk); 1548 callout_drain(&softc->sendordered_c); 1549 free(softc, M_DEVBUF); 1550 cam_periph_lock(periph); 1551 } 1552 1553 static void 1554 daasync(void *callback_arg, u_int32_t code, 1555 struct cam_path *path, void *arg) 1556 { 1557 struct cam_periph *periph; 1558 struct da_softc *softc; 1559 1560 periph = (struct cam_periph *)callback_arg; 1561 switch (code) { 1562 case AC_FOUND_DEVICE: 1563 { 1564 struct ccb_getdev *cgd; 1565 cam_status status; 1566 1567 cgd = (struct ccb_getdev *)arg; 1568 if (cgd == NULL) 1569 break; 1570 1571 if (cgd->protocol != PROTO_SCSI) 1572 break; 1573 1574 if (SID_TYPE(&cgd->inq_data) != T_DIRECT 1575 && SID_TYPE(&cgd->inq_data) != T_RBC 1576 && SID_TYPE(&cgd->inq_data) != T_OPTICAL) 1577 break; 1578 1579 /* 1580 * Allocate a peripheral instance for 1581 * this device and start the probe 1582 * process. 1583 */ 1584 status = cam_periph_alloc(daregister, daoninvalidate, 1585 dacleanup, dastart, 1586 "da", CAM_PERIPH_BIO, 1587 cgd->ccb_h.path, daasync, 1588 AC_FOUND_DEVICE, cgd); 1589 1590 if (status != CAM_REQ_CMP 1591 && status != CAM_REQ_INPROG) 1592 printf("daasync: Unable to attach to new device " 1593 "due to status 0x%x\n", status); 1594 return; 1595 } 1596 case AC_ADVINFO_CHANGED: 1597 { 1598 uintptr_t buftype; 1599 1600 buftype = (uintptr_t)arg; 1601 if (buftype == CDAI_TYPE_PHYS_PATH) { 1602 struct da_softc *softc; 1603 1604 softc = periph->softc; 1605 disk_attr_changed(softc->disk, "GEOM::physpath", 1606 M_NOWAIT); 1607 } 1608 break; 1609 } 1610 case AC_UNIT_ATTENTION: 1611 { 1612 union ccb *ccb; 1613 int error_code, sense_key, asc, ascq; 1614 1615 softc = (struct da_softc *)periph->softc; 1616 ccb = (union ccb *)arg; 1617 1618 /* 1619 * Handle all UNIT ATTENTIONs except our own, 1620 * as they will be handled by daerror(). 1621 */ 1622 if (xpt_path_periph(ccb->ccb_h.path) != periph && 1623 scsi_extract_sense_ccb(ccb, 1624 &error_code, &sense_key, &asc, &ascq)) { 1625 if (asc == 0x2A && ascq == 0x09) { 1626 xpt_print(ccb->ccb_h.path, 1627 "capacity data has changed\n"); 1628 dareprobe(periph); 1629 } else if (asc == 0x28 && ascq == 0x00) 1630 disk_media_changed(softc->disk, M_NOWAIT); 1631 } 1632 cam_periph_async(periph, code, path, arg); 1633 break; 1634 } 1635 case AC_SCSI_AEN: 1636 softc = (struct da_softc *)periph->softc; 1637 if (!softc->tur) { 1638 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 1639 softc->tur = 1; 1640 daschedule(periph); 1641 } 1642 } 1643 /* FALLTHROUGH */ 1644 case AC_SENT_BDR: 1645 case AC_BUS_RESET: 1646 { 1647 struct ccb_hdr *ccbh; 1648 1649 softc = (struct da_softc *)periph->softc; 1650 /* 1651 * Don't fail on the expected unit attention 1652 * that will occur. 1653 */ 1654 softc->flags |= DA_FLAG_RETRY_UA; 1655 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 1656 ccbh->ccb_state |= DA_CCB_RETRY_UA; 1657 break; 1658 } 1659 default: 1660 break; 1661 } 1662 cam_periph_async(periph, code, path, arg); 1663 } 1664 1665 static void 1666 dasysctlinit(void *context, int pending) 1667 { 1668 struct cam_periph *periph; 1669 struct da_softc *softc; 1670 char tmpstr[80], tmpstr2[80]; 1671 struct ccb_trans_settings cts; 1672 1673 periph = (struct cam_periph *)context; 1674 /* 1675 * periph was held for us when this task was enqueued 1676 */ 1677 if (periph->flags & CAM_PERIPH_INVALID) { 1678 cam_periph_release(periph); 1679 return; 1680 } 1681 1682 softc = (struct da_softc *)periph->softc; 1683 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number); 1684 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1685 1686 sysctl_ctx_init(&softc->sysctl_ctx); 1687 softc->flags |= DA_FLAG_SCTX_INIT; 1688 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1689 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2, 1690 CTLFLAG_RD, 0, tmpstr); 1691 if (softc->sysctl_tree == NULL) { 1692 printf("dasysctlinit: unable to allocate sysctl tree\n"); 1693 cam_periph_release(periph); 1694 return; 1695 } 1696 1697 /* 1698 * Now register the sysctl handler, so the user can change the value on 1699 * the fly. 1700 */ 1701 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1702 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RW, 1703 softc, 0, dadeletemethodsysctl, "A", 1704 "BIO_DELETE execution method"); 1705 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1706 OID_AUTO, "delete_max", CTLTYPE_U64 | CTLFLAG_RW, 1707 softc, 0, dadeletemaxsysctl, "Q", 1708 "Maximum BIO_DELETE size"); 1709 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1710 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 1711 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I", 1712 "Minimum CDB size"); 1713 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1714 OID_AUTO, "sort_io_queue", CTLFLAG_RW, &softc->sort_io_queue, 0, 1715 "Sort IO queue to try and optimise disk access patterns"); 1716 1717 SYSCTL_ADD_INT(&softc->sysctl_ctx, 1718 SYSCTL_CHILDREN(softc->sysctl_tree), 1719 OID_AUTO, 1720 "error_inject", 1721 CTLFLAG_RW, 1722 &softc->error_inject, 1723 0, 1724 "error_inject leaf"); 1725 1726 1727 /* 1728 * Add some addressing info. 1729 */ 1730 memset(&cts, 0, sizeof (cts)); 1731 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 1732 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1733 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1734 cam_periph_lock(periph); 1735 xpt_action((union ccb *)&cts); 1736 cam_periph_unlock(periph); 1737 if (cts.ccb_h.status != CAM_REQ_CMP) { 1738 cam_periph_release(periph); 1739 return; 1740 } 1741 if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) { 1742 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc; 1743 if (fc->valid & CTS_FC_VALID_WWPN) { 1744 softc->wwpn = fc->wwpn; 1745 SYSCTL_ADD_UQUAD(&softc->sysctl_ctx, 1746 SYSCTL_CHILDREN(softc->sysctl_tree), 1747 OID_AUTO, "wwpn", CTLFLAG_RD, 1748 &softc->wwpn, "World Wide Port Name"); 1749 } 1750 } 1751 cam_periph_release(periph); 1752 } 1753 1754 static int 1755 dadeletemaxsysctl(SYSCTL_HANDLER_ARGS) 1756 { 1757 int error; 1758 uint64_t value; 1759 struct da_softc *softc; 1760 1761 softc = (struct da_softc *)arg1; 1762 1763 value = softc->disk->d_delmaxsize; 1764 error = sysctl_handle_64(oidp, &value, 0, req); 1765 if ((error != 0) || (req->newptr == NULL)) 1766 return (error); 1767 1768 /* only accept values smaller than the calculated value */ 1769 if (value > dadeletemaxsize(softc, softc->delete_method)) { 1770 return (EINVAL); 1771 } 1772 softc->disk->d_delmaxsize = value; 1773 1774 return (0); 1775 } 1776 1777 static int 1778 dacmdsizesysctl(SYSCTL_HANDLER_ARGS) 1779 { 1780 int error, value; 1781 1782 value = *(int *)arg1; 1783 1784 error = sysctl_handle_int(oidp, &value, 0, req); 1785 1786 if ((error != 0) 1787 || (req->newptr == NULL)) 1788 return (error); 1789 1790 /* 1791 * Acceptable values here are 6, 10, 12 or 16. 1792 */ 1793 if (value < 6) 1794 value = 6; 1795 else if ((value > 6) 1796 && (value <= 10)) 1797 value = 10; 1798 else if ((value > 10) 1799 && (value <= 12)) 1800 value = 12; 1801 else if (value > 12) 1802 value = 16; 1803 1804 *(int *)arg1 = value; 1805 1806 return (0); 1807 } 1808 1809 static void 1810 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method) 1811 { 1812 1813 1814 softc->delete_method = delete_method; 1815 softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method); 1816 1817 if (softc->delete_method > DA_DELETE_DISABLE) 1818 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1819 else 1820 softc->disk->d_flags &= ~DISKFLAG_CANDELETE; 1821 } 1822 1823 static off_t 1824 dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method) 1825 { 1826 off_t sectors; 1827 1828 switch(delete_method) { 1829 case DA_DELETE_UNMAP: 1830 sectors = (off_t)softc->unmap_max_lba * softc->unmap_max_ranges; 1831 break; 1832 case DA_DELETE_ATA_TRIM: 1833 sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges; 1834 break; 1835 case DA_DELETE_WS16: 1836 sectors = (off_t)min(softc->ws_max_blks, WS16_MAX_BLKS); 1837 break; 1838 case DA_DELETE_ZERO: 1839 case DA_DELETE_WS10: 1840 sectors = (off_t)min(softc->ws_max_blks, WS10_MAX_BLKS); 1841 break; 1842 default: 1843 return 0; 1844 } 1845 1846 return (off_t)softc->params.secsize * 1847 min(sectors, (off_t)softc->params.sectors); 1848 } 1849 1850 static void 1851 daprobedone(struct cam_periph *periph, union ccb *ccb) 1852 { 1853 struct da_softc *softc; 1854 1855 softc = (struct da_softc *)periph->softc; 1856 1857 dadeletemethodchoose(softc, DA_DELETE_NONE); 1858 1859 if (bootverbose && (softc->flags & DA_FLAG_PROBED) == 0) { 1860 char buf[80]; 1861 int i, sep; 1862 1863 snprintf(buf, sizeof(buf), "Delete methods: <"); 1864 sep = 0; 1865 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) { 1866 if (softc->delete_available & (1 << i)) { 1867 if (sep) { 1868 strlcat(buf, ",", sizeof(buf)); 1869 } else { 1870 sep = 1; 1871 } 1872 strlcat(buf, da_delete_method_names[i], 1873 sizeof(buf)); 1874 if (i == softc->delete_method) { 1875 strlcat(buf, "(*)", sizeof(buf)); 1876 } 1877 } 1878 } 1879 if (sep == 0) { 1880 if (softc->delete_method == DA_DELETE_NONE) 1881 strlcat(buf, "NONE(*)", sizeof(buf)); 1882 else 1883 strlcat(buf, "DISABLED(*)", sizeof(buf)); 1884 } 1885 strlcat(buf, ">", sizeof(buf)); 1886 printf("%s%d: %s\n", periph->periph_name, 1887 periph->unit_number, buf); 1888 } 1889 1890 /* 1891 * Since our peripheral may be invalidated by an error 1892 * above or an external event, we must release our CCB 1893 * before releasing the probe lock on the peripheral. 1894 * The peripheral will only go away once the last lock 1895 * is removed, and we need it around for the CCB release 1896 * operation. 1897 */ 1898 xpt_release_ccb(ccb); 1899 softc->state = DA_STATE_NORMAL; 1900 daschedule(periph); 1901 wakeup(&softc->disk->d_mediasize); 1902 if ((softc->flags & DA_FLAG_PROBED) == 0) { 1903 softc->flags |= DA_FLAG_PROBED; 1904 cam_periph_unhold(periph); 1905 } else 1906 cam_periph_release_locked(periph); 1907 } 1908 1909 static void 1910 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method) 1911 { 1912 int i, delete_method; 1913 1914 delete_method = default_method; 1915 1916 /* 1917 * Use the pre-defined order to choose the best 1918 * performing delete. 1919 */ 1920 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) { 1921 if (softc->delete_available & (1 << i)) { 1922 dadeletemethodset(softc, i); 1923 return; 1924 } 1925 } 1926 dadeletemethodset(softc, delete_method); 1927 } 1928 1929 static int 1930 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS) 1931 { 1932 char buf[16]; 1933 const char *p; 1934 struct da_softc *softc; 1935 int i, error, value; 1936 1937 softc = (struct da_softc *)arg1; 1938 1939 value = softc->delete_method; 1940 if (value < 0 || value > DA_DELETE_MAX) 1941 p = "UNKNOWN"; 1942 else 1943 p = da_delete_method_names[value]; 1944 strncpy(buf, p, sizeof(buf)); 1945 error = sysctl_handle_string(oidp, buf, sizeof(buf), req); 1946 if (error != 0 || req->newptr == NULL) 1947 return (error); 1948 for (i = 0; i <= DA_DELETE_MAX; i++) { 1949 if (!(softc->delete_available & (1 << i)) || 1950 strcmp(buf, da_delete_method_names[i]) != 0) 1951 continue; 1952 dadeletemethodset(softc, i); 1953 return (0); 1954 } 1955 return (EINVAL); 1956 } 1957 1958 static cam_status 1959 daregister(struct cam_periph *periph, void *arg) 1960 { 1961 struct da_softc *softc; 1962 struct ccb_pathinq cpi; 1963 struct ccb_getdev *cgd; 1964 char tmpstr[80]; 1965 caddr_t match; 1966 1967 cgd = (struct ccb_getdev *)arg; 1968 if (cgd == NULL) { 1969 printf("daregister: no getdev CCB, can't register device\n"); 1970 return(CAM_REQ_CMP_ERR); 1971 } 1972 1973 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF, 1974 M_NOWAIT|M_ZERO); 1975 1976 if (softc == NULL) { 1977 printf("daregister: Unable to probe new device. " 1978 "Unable to allocate softc\n"); 1979 return(CAM_REQ_CMP_ERR); 1980 } 1981 1982 LIST_INIT(&softc->pending_ccbs); 1983 softc->state = DA_STATE_PROBE_RC; 1984 bioq_init(&softc->bio_queue); 1985 bioq_init(&softc->delete_queue); 1986 bioq_init(&softc->delete_run_queue); 1987 if (SID_IS_REMOVABLE(&cgd->inq_data)) 1988 softc->flags |= DA_FLAG_PACK_REMOVABLE; 1989 softc->unmap_max_ranges = UNMAP_MAX_RANGES; 1990 softc->unmap_max_lba = UNMAP_RANGE_MAX; 1991 softc->ws_max_blks = WS16_MAX_BLKS; 1992 softc->trim_max_ranges = ATA_TRIM_MAX_RANGES; 1993 softc->sort_io_queue = -1; 1994 1995 periph->softc = softc; 1996 1997 /* 1998 * See if this device has any quirks. 1999 */ 2000 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 2001 (caddr_t)da_quirk_table, 2002 sizeof(da_quirk_table)/sizeof(*da_quirk_table), 2003 sizeof(*da_quirk_table), scsi_inquiry_match); 2004 2005 if (match != NULL) 2006 softc->quirks = ((struct da_quirk_entry *)match)->quirks; 2007 else 2008 softc->quirks = DA_Q_NONE; 2009 2010 /* Check if the SIM does not want 6 byte commands */ 2011 bzero(&cpi, sizeof(cpi)); 2012 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 2013 cpi.ccb_h.func_code = XPT_PATH_INQ; 2014 xpt_action((union ccb *)&cpi); 2015 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 2016 softc->quirks |= DA_Q_NO_6_BYTE; 2017 2018 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph); 2019 2020 /* 2021 * Take an exclusive refcount on the periph while dastart is called 2022 * to finish the probe. The reference will be dropped in dadone at 2023 * the end of probe. 2024 */ 2025 (void)cam_periph_hold(periph, PRIBIO); 2026 2027 /* 2028 * Schedule a periodic event to occasionally send an 2029 * ordered tag to a device. 2030 */ 2031 callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0); 2032 callout_reset(&softc->sendordered_c, 2033 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL, 2034 dasendorderedtag, softc); 2035 2036 cam_periph_unlock(periph); 2037 /* 2038 * RBC devices don't have to support READ(6), only READ(10). 2039 */ 2040 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC) 2041 softc->minimum_cmd_size = 10; 2042 else 2043 softc->minimum_cmd_size = 6; 2044 2045 /* 2046 * Load the user's default, if any. 2047 */ 2048 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size", 2049 periph->unit_number); 2050 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size); 2051 2052 /* 2053 * 6, 10, 12 and 16 are the currently permissible values. 2054 */ 2055 if (softc->minimum_cmd_size < 6) 2056 softc->minimum_cmd_size = 6; 2057 else if ((softc->minimum_cmd_size > 6) 2058 && (softc->minimum_cmd_size <= 10)) 2059 softc->minimum_cmd_size = 10; 2060 else if ((softc->minimum_cmd_size > 10) 2061 && (softc->minimum_cmd_size <= 12)) 2062 softc->minimum_cmd_size = 12; 2063 else if (softc->minimum_cmd_size > 12) 2064 softc->minimum_cmd_size = 16; 2065 2066 /* Predict whether device may support READ CAPACITY(16). */ 2067 if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3) { 2068 softc->flags |= DA_FLAG_CAN_RC16; 2069 softc->state = DA_STATE_PROBE_RC16; 2070 } 2071 2072 /* 2073 * Register this media as a disk. 2074 */ 2075 softc->disk = disk_alloc(); 2076 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 2077 periph->unit_number, 0, 2078 DEVSTAT_BS_UNAVAILABLE, 2079 SID_TYPE(&cgd->inq_data) | 2080 XPORT_DEVSTAT_TYPE(cpi.transport), 2081 DEVSTAT_PRIORITY_DISK); 2082 softc->disk->d_open = daopen; 2083 softc->disk->d_close = daclose; 2084 softc->disk->d_strategy = dastrategy; 2085 softc->disk->d_dump = dadump; 2086 softc->disk->d_getattr = dagetattr; 2087 softc->disk->d_gone = dadiskgonecb; 2088 softc->disk->d_name = "da"; 2089 softc->disk->d_drv1 = periph; 2090 if (cpi.maxio == 0) 2091 softc->disk->d_maxsize = DFLTPHYS; /* traditional default */ 2092 else if (cpi.maxio > MAXPHYS) 2093 softc->disk->d_maxsize = MAXPHYS; /* for safety */ 2094 else 2095 softc->disk->d_maxsize = cpi.maxio; 2096 softc->disk->d_unit = periph->unit_number; 2097 softc->disk->d_flags = 0; 2098 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) 2099 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 2100 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) 2101 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 2102 cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor, 2103 sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr)); 2104 strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr)); 2105 cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)], 2106 cgd->inq_data.product, sizeof(cgd->inq_data.product), 2107 sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr)); 2108 softc->disk->d_hba_vendor = cpi.hba_vendor; 2109 softc->disk->d_hba_device = cpi.hba_device; 2110 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 2111 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 2112 2113 /* 2114 * Acquire a reference to the periph before we register with GEOM. 2115 * We'll release this reference once GEOM calls us back (via 2116 * dadiskgonecb()) telling us that our provider has been freed. 2117 */ 2118 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 2119 xpt_print(periph->path, "%s: lost periph during " 2120 "registration!\n", __func__); 2121 cam_periph_lock(periph); 2122 return (CAM_REQ_CMP_ERR); 2123 } 2124 2125 disk_create(softc->disk, DISK_VERSION); 2126 cam_periph_lock(periph); 2127 2128 /* 2129 * Add async callbacks for events of interest. 2130 * I don't bother checking if this fails as, 2131 * in most cases, the system will function just 2132 * fine without them and the only alternative 2133 * would be to not attach the device on failure. 2134 */ 2135 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 2136 AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION, 2137 daasync, periph, periph->path); 2138 2139 /* 2140 * Emit an attribute changed notification just in case 2141 * physical path information arrived before our async 2142 * event handler was registered, but after anyone attaching 2143 * to our disk device polled it. 2144 */ 2145 disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT); 2146 2147 /* 2148 * Schedule a periodic media polling events. 2149 */ 2150 callout_init_mtx(&softc->mediapoll_c, periph->sim->mtx, 0); 2151 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) && 2152 (cgd->inq_flags & SID_AEN) == 0 && 2153 da_poll_period != 0) 2154 callout_reset(&softc->mediapoll_c, da_poll_period * hz, 2155 damediapoll, periph); 2156 2157 xpt_schedule(periph, CAM_PRIORITY_DEV); 2158 2159 return(CAM_REQ_CMP); 2160 } 2161 2162 static void 2163 dastart(struct cam_periph *periph, union ccb *start_ccb) 2164 { 2165 struct da_softc *softc; 2166 2167 softc = (struct da_softc *)periph->softc; 2168 2169 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n")); 2170 2171 skipstate: 2172 switch (softc->state) { 2173 case DA_STATE_NORMAL: 2174 { 2175 struct bio *bp, *bp1; 2176 uint8_t tag_code; 2177 2178 /* Execute immediate CCB if waiting. */ 2179 if (periph->immediate_priority <= periph->pinfo.priority) { 2180 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE, 2181 ("queuing for immediate ccb\n")); 2182 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING; 2183 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h, 2184 periph_links.sle); 2185 periph->immediate_priority = CAM_PRIORITY_NONE; 2186 wakeup(&periph->ccb_list); 2187 /* May have more work to do, so ensure we stay scheduled */ 2188 daschedule(periph); 2189 break; 2190 } 2191 2192 /* Run BIO_DELETE if not running yet. */ 2193 if (!softc->delete_running && 2194 (bp = bioq_first(&softc->delete_queue)) != NULL) { 2195 uint64_t lba; 2196 uint64_t count; /* forward compat with WS32 */ 2197 2198 /* 2199 * In each of the methods below, while its the caller's 2200 * responsibility to ensure the request will fit into a 2201 * single device request, we might have changed the delete 2202 * method due to the device incorrectly advertising either 2203 * its supported methods or limits. 2204 * 2205 * To prevent this causing further issues we validate the 2206 * against the methods limits, and warn which would 2207 * otherwise be unnecessary. 2208 */ 2209 2210 if (softc->delete_method == DA_DELETE_UNMAP) { 2211 uint8_t *buf = softc->unmap_buf; 2212 uint64_t lastlba = (uint64_t)-1; 2213 uint32_t lastcount = 0, c; 2214 uint64_t totalcount = 0; 2215 uint32_t off, ranges = 0; 2216 2217 /* 2218 * Currently this doesn't take the UNMAP 2219 * Granularity and Granularity Alignment 2220 * fields into account. 2221 * 2222 * This could result in both unoptimal unmap 2223 * requests as as well as UNMAP calls unmapping 2224 * fewer LBA's than requested. 2225 */ 2226 2227 softc->delete_running = 1; 2228 bzero(softc->unmap_buf, sizeof(softc->unmap_buf)); 2229 bp1 = bp; 2230 do { 2231 bioq_remove(&softc->delete_queue, bp1); 2232 if (bp1 != bp) 2233 bioq_insert_tail(&softc->delete_run_queue, bp1); 2234 lba = bp1->bio_pblkno; 2235 count = bp1->bio_bcount / softc->params.secsize; 2236 2237 /* Try to extend the previous range. */ 2238 if (lba == lastlba) { 2239 c = min(count, softc->unmap_max_lba - 2240 lastcount); 2241 lastcount += c; 2242 off = ((ranges - 1) * UNMAP_RANGE_SIZE) + 2243 UNMAP_HEAD_SIZE; 2244 scsi_ulto4b(lastcount, &buf[off + 8]); 2245 count -= c; 2246 lba +=c; 2247 totalcount += c; 2248 } 2249 2250 while (count > 0) { 2251 c = min(count, softc->unmap_max_lba); 2252 if (totalcount + c > softc->unmap_max_lba || 2253 ranges >= softc->unmap_max_ranges) { 2254 xpt_print(periph->path, 2255 "%s issuing short delete %ld > %ld" 2256 "|| %d >= %d", 2257 da_delete_method_desc[softc->delete_method], 2258 totalcount + c, softc->unmap_max_lba, 2259 ranges, softc->unmap_max_ranges); 2260 break; 2261 } 2262 off = (ranges * UNMAP_RANGE_SIZE) + 2263 UNMAP_HEAD_SIZE; 2264 scsi_u64to8b(lba, &buf[off + 0]); 2265 scsi_ulto4b(c, &buf[off + 8]); 2266 lba += c; 2267 totalcount += c; 2268 ranges++; 2269 count -= c; 2270 lastcount = c; 2271 } 2272 lastlba = lba; 2273 bp1 = bioq_first(&softc->delete_queue); 2274 if (bp1 == NULL || 2275 ranges >= softc->unmap_max_ranges || 2276 totalcount + bp1->bio_bcount / 2277 softc->params.secsize > softc->unmap_max_lba) 2278 break; 2279 } while (1); 2280 scsi_ulto2b(ranges * 16 + 6, &buf[0]); 2281 scsi_ulto2b(ranges * 16, &buf[2]); 2282 2283 scsi_unmap(&start_ccb->csio, 2284 /*retries*/da_retry_count, 2285 /*cbfcnp*/dadone, 2286 /*tag_action*/MSG_SIMPLE_Q_TAG, 2287 /*byte2*/0, 2288 /*data_ptr*/ buf, 2289 /*dxfer_len*/ ranges * 16 + 8, 2290 /*sense_len*/SSD_FULL_SIZE, 2291 da_default_timeout * 1000); 2292 start_ccb->ccb_h.ccb_state = DA_CCB_DELETE; 2293 goto out; 2294 } else if (softc->delete_method == DA_DELETE_ATA_TRIM) { 2295 uint8_t *buf = softc->unmap_buf; 2296 uint64_t lastlba = (uint64_t)-1; 2297 uint32_t lastcount = 0, c, requestcount; 2298 int ranges = 0, off, block_count; 2299 2300 softc->delete_running = 1; 2301 bzero(softc->unmap_buf, sizeof(softc->unmap_buf)); 2302 bp1 = bp; 2303 do { 2304 bioq_remove(&softc->delete_queue, bp1); 2305 if (bp1 != bp) 2306 bioq_insert_tail(&softc->delete_run_queue, bp1); 2307 lba = bp1->bio_pblkno; 2308 count = bp1->bio_bcount / softc->params.secsize; 2309 requestcount = count; 2310 2311 /* Try to extend the previous range. */ 2312 if (lba == lastlba) { 2313 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 2314 lastcount += c; 2315 off = (ranges - 1) * 8; 2316 buf[off + 6] = lastcount & 0xff; 2317 buf[off + 7] = (lastcount >> 8) & 0xff; 2318 count -= c; 2319 lba += c; 2320 } 2321 2322 while (count > 0) { 2323 c = min(count, ATA_DSM_RANGE_MAX); 2324 off = ranges * 8; 2325 2326 buf[off + 0] = lba & 0xff; 2327 buf[off + 1] = (lba >> 8) & 0xff; 2328 buf[off + 2] = (lba >> 16) & 0xff; 2329 buf[off + 3] = (lba >> 24) & 0xff; 2330 buf[off + 4] = (lba >> 32) & 0xff; 2331 buf[off + 5] = (lba >> 40) & 0xff; 2332 buf[off + 6] = c & 0xff; 2333 buf[off + 7] = (c >> 8) & 0xff; 2334 lba += c; 2335 ranges++; 2336 count -= c; 2337 lastcount = c; 2338 if (count != 0 && ranges == softc->trim_max_ranges) { 2339 xpt_print(periph->path, 2340 "%s issuing short delete %ld > %ld", 2341 da_delete_method_desc[softc->delete_method], 2342 requestcount, 2343 (softc->trim_max_ranges - ranges) * 2344 ATA_DSM_RANGE_MAX); 2345 break; 2346 } 2347 } 2348 lastlba = lba; 2349 bp1 = bioq_first(&softc->delete_queue); 2350 if (bp1 == NULL || 2351 bp1->bio_bcount / softc->params.secsize > 2352 (softc->trim_max_ranges - ranges) * 2353 ATA_DSM_RANGE_MAX) 2354 break; 2355 } while (1); 2356 2357 block_count = (ranges + ATA_DSM_BLK_RANGES - 1) / 2358 ATA_DSM_BLK_RANGES; 2359 scsi_ata_trim(&start_ccb->csio, 2360 /*retries*/da_retry_count, 2361 /*cbfcnp*/dadone, 2362 /*tag_action*/MSG_SIMPLE_Q_TAG, 2363 block_count, 2364 /*data_ptr*/buf, 2365 /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE, 2366 /*sense_len*/SSD_FULL_SIZE, 2367 da_default_timeout * 1000); 2368 start_ccb->ccb_h.ccb_state = DA_CCB_DELETE; 2369 goto out; 2370 } else if (softc->delete_method == DA_DELETE_ZERO || 2371 softc->delete_method == DA_DELETE_WS10 || 2372 softc->delete_method == DA_DELETE_WS16) { 2373 /* 2374 * We calculate ws_max_blks here based off d_delmaxsize instead 2375 * of using softc->ws_max_blks as it is absolute max for the 2376 * device not the protocol max which may well be lower 2377 */ 2378 uint64_t ws_max_blks; 2379 ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize; 2380 softc->delete_running = 1; 2381 lba = bp->bio_pblkno; 2382 count = 0; 2383 bp1 = bp; 2384 do { 2385 bioq_remove(&softc->delete_queue, bp1); 2386 if (bp1 != bp) 2387 bioq_insert_tail(&softc->delete_run_queue, bp1); 2388 count += bp1->bio_bcount / softc->params.secsize; 2389 if (count > ws_max_blks) { 2390 count = min(count, ws_max_blks); 2391 xpt_print(periph->path, 2392 "%s issuing short delete %ld > %ld", 2393 da_delete_method_desc[softc->delete_method], 2394 count, ws_max_blks); 2395 break; 2396 } 2397 bp1 = bioq_first(&softc->delete_queue); 2398 if (bp1 == NULL || 2399 lba + count != bp1->bio_pblkno || 2400 count + bp1->bio_bcount / 2401 softc->params.secsize > ws_max_blks) 2402 break; 2403 } while (1); 2404 2405 scsi_write_same(&start_ccb->csio, 2406 /*retries*/da_retry_count, 2407 /*cbfcnp*/dadone, 2408 /*tag_action*/MSG_SIMPLE_Q_TAG, 2409 /*byte2*/softc->delete_method == 2410 DA_DELETE_ZERO ? 0 : SWS_UNMAP, 2411 softc->delete_method == 2412 DA_DELETE_WS16 ? 16 : 10, 2413 /*lba*/lba, 2414 /*block_count*/count, 2415 /*data_ptr*/ __DECONST(void *, 2416 zero_region), 2417 /*dxfer_len*/ softc->params.secsize, 2418 /*sense_len*/SSD_FULL_SIZE, 2419 da_default_timeout * 1000); 2420 start_ccb->ccb_h.ccb_state = DA_CCB_DELETE; 2421 goto out; 2422 } else { 2423 bioq_flush(&softc->delete_queue, NULL, 0); 2424 /* FALLTHROUGH */ 2425 } 2426 } 2427 2428 /* Run regular command. */ 2429 bp = bioq_takefirst(&softc->bio_queue); 2430 if (bp == NULL) { 2431 if (softc->tur) { 2432 softc->tur = 0; 2433 scsi_test_unit_ready(&start_ccb->csio, 2434 /*retries*/ da_retry_count, 2435 dadone, 2436 MSG_SIMPLE_Q_TAG, 2437 SSD_FULL_SIZE, 2438 da_default_timeout * 1000); 2439 start_ccb->ccb_h.ccb_bp = NULL; 2440 start_ccb->ccb_h.ccb_state = DA_CCB_TUR; 2441 xpt_action(start_ccb); 2442 } else 2443 xpt_release_ccb(start_ccb); 2444 break; 2445 } 2446 if (softc->tur) { 2447 softc->tur = 0; 2448 cam_periph_release_locked(periph); 2449 } 2450 2451 if ((bp->bio_flags & BIO_ORDERED) != 0 || 2452 (softc->flags & DA_FLAG_NEED_OTAG) != 0) { 2453 softc->flags &= ~DA_FLAG_NEED_OTAG; 2454 softc->ordered_tag_count++; 2455 tag_code = MSG_ORDERED_Q_TAG; 2456 } else { 2457 tag_code = MSG_SIMPLE_Q_TAG; 2458 } 2459 2460 switch (bp->bio_cmd) { 2461 case BIO_READ: 2462 case BIO_WRITE: 2463 scsi_read_write(&start_ccb->csio, 2464 /*retries*/da_retry_count, 2465 /*cbfcnp*/dadone, 2466 /*tag_action*/tag_code, 2467 /*read_op*/(bp->bio_cmd == BIO_READ ? 2468 SCSI_RW_READ : SCSI_RW_WRITE) | 2469 ((bp->bio_flags & BIO_UNMAPPED) != 0 ? 2470 SCSI_RW_BIO : 0), 2471 /*byte2*/0, 2472 softc->minimum_cmd_size, 2473 /*lba*/bp->bio_pblkno, 2474 /*block_count*/bp->bio_bcount / 2475 softc->params.secsize, 2476 /*data_ptr*/ (bp->bio_flags & 2477 BIO_UNMAPPED) != 0 ? (void *)bp : 2478 bp->bio_data, 2479 /*dxfer_len*/ bp->bio_bcount, 2480 /*sense_len*/SSD_FULL_SIZE, 2481 da_default_timeout * 1000); 2482 break; 2483 case BIO_FLUSH: 2484 /* 2485 * BIO_FLUSH doesn't currently communicate 2486 * range data, so we synchronize the cache 2487 * over the whole disk. We also force 2488 * ordered tag semantics the flush applies 2489 * to all previously queued I/O. 2490 */ 2491 scsi_synchronize_cache(&start_ccb->csio, 2492 /*retries*/1, 2493 /*cbfcnp*/dadone, 2494 MSG_ORDERED_Q_TAG, 2495 /*begin_lba*/0, 2496 /*lb_count*/0, 2497 SSD_FULL_SIZE, 2498 da_default_timeout*1000); 2499 break; 2500 } 2501 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO; 2502 2503 out: 2504 /* 2505 * Block out any asyncronous callbacks 2506 * while we touch the pending ccb list. 2507 */ 2508 LIST_INSERT_HEAD(&softc->pending_ccbs, 2509 &start_ccb->ccb_h, periph_links.le); 2510 softc->outstanding_cmds++; 2511 2512 /* We expect a unit attention from this device */ 2513 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) { 2514 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA; 2515 softc->flags &= ~DA_FLAG_RETRY_UA; 2516 } 2517 2518 start_ccb->ccb_h.ccb_bp = bp; 2519 xpt_action(start_ccb); 2520 2521 /* May have more work to do, so ensure we stay scheduled */ 2522 daschedule(periph); 2523 break; 2524 } 2525 case DA_STATE_PROBE_RC: 2526 { 2527 struct scsi_read_capacity_data *rcap; 2528 2529 rcap = (struct scsi_read_capacity_data *) 2530 malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO); 2531 if (rcap == NULL) { 2532 printf("dastart: Couldn't malloc read_capacity data\n"); 2533 /* da_free_periph??? */ 2534 break; 2535 } 2536 scsi_read_capacity(&start_ccb->csio, 2537 /*retries*/da_retry_count, 2538 dadone, 2539 MSG_SIMPLE_Q_TAG, 2540 rcap, 2541 SSD_FULL_SIZE, 2542 /*timeout*/5000); 2543 start_ccb->ccb_h.ccb_bp = NULL; 2544 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC; 2545 xpt_action(start_ccb); 2546 break; 2547 } 2548 case DA_STATE_PROBE_RC16: 2549 { 2550 struct scsi_read_capacity_data_long *rcaplong; 2551 2552 rcaplong = (struct scsi_read_capacity_data_long *) 2553 malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO); 2554 if (rcaplong == NULL) { 2555 printf("dastart: Couldn't malloc read_capacity data\n"); 2556 /* da_free_periph??? */ 2557 break; 2558 } 2559 scsi_read_capacity_16(&start_ccb->csio, 2560 /*retries*/ da_retry_count, 2561 /*cbfcnp*/ dadone, 2562 /*tag_action*/ MSG_SIMPLE_Q_TAG, 2563 /*lba*/ 0, 2564 /*reladr*/ 0, 2565 /*pmi*/ 0, 2566 rcaplong, 2567 /*sense_len*/ SSD_FULL_SIZE, 2568 /*timeout*/ da_default_timeout * 1000); 2569 start_ccb->ccb_h.ccb_bp = NULL; 2570 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16; 2571 xpt_action(start_ccb); 2572 break; 2573 } 2574 case DA_STATE_PROBE_LBP: 2575 { 2576 struct scsi_vpd_logical_block_prov *lbp; 2577 2578 if (!scsi_vpd_supported_page(periph, SVPD_LBP)) { 2579 /* 2580 * If we get here we don't support any SBC-3 delete 2581 * methods with UNMAP as the Logical Block Provisioning 2582 * VPD page support is required for devices which 2583 * support it according to T10/1799-D Revision 31 2584 * however older revisions of the spec don't mandate 2585 * this so we currently don't remove these methods 2586 * from the available set. 2587 */ 2588 softc->state = DA_STATE_PROBE_BLK_LIMITS; 2589 goto skipstate; 2590 } 2591 2592 lbp = (struct scsi_vpd_logical_block_prov *) 2593 malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO); 2594 2595 if (lbp == NULL) { 2596 printf("dastart: Couldn't malloc lbp data\n"); 2597 /* da_free_periph??? */ 2598 break; 2599 } 2600 2601 scsi_inquiry(&start_ccb->csio, 2602 /*retries*/da_retry_count, 2603 /*cbfcnp*/dadone, 2604 /*tag_action*/MSG_SIMPLE_Q_TAG, 2605 /*inq_buf*/(u_int8_t *)lbp, 2606 /*inq_len*/sizeof(*lbp), 2607 /*evpd*/TRUE, 2608 /*page_code*/SVPD_LBP, 2609 /*sense_len*/SSD_MIN_SIZE, 2610 /*timeout*/da_default_timeout * 1000); 2611 start_ccb->ccb_h.ccb_bp = NULL; 2612 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP; 2613 xpt_action(start_ccb); 2614 break; 2615 } 2616 case DA_STATE_PROBE_BLK_LIMITS: 2617 { 2618 struct scsi_vpd_block_limits *block_limits; 2619 2620 if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) { 2621 /* Not supported skip to next probe */ 2622 softc->state = DA_STATE_PROBE_BDC; 2623 goto skipstate; 2624 } 2625 2626 block_limits = (struct scsi_vpd_block_limits *) 2627 malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO); 2628 2629 if (block_limits == NULL) { 2630 printf("dastart: Couldn't malloc block_limits data\n"); 2631 /* da_free_periph??? */ 2632 break; 2633 } 2634 2635 scsi_inquiry(&start_ccb->csio, 2636 /*retries*/da_retry_count, 2637 /*cbfcnp*/dadone, 2638 /*tag_action*/MSG_SIMPLE_Q_TAG, 2639 /*inq_buf*/(u_int8_t *)block_limits, 2640 /*inq_len*/sizeof(*block_limits), 2641 /*evpd*/TRUE, 2642 /*page_code*/SVPD_BLOCK_LIMITS, 2643 /*sense_len*/SSD_MIN_SIZE, 2644 /*timeout*/da_default_timeout * 1000); 2645 start_ccb->ccb_h.ccb_bp = NULL; 2646 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS; 2647 xpt_action(start_ccb); 2648 break; 2649 } 2650 case DA_STATE_PROBE_BDC: 2651 { 2652 struct scsi_vpd_block_characteristics *bdc; 2653 2654 if (!scsi_vpd_supported_page(periph, SVPD_BDC)) { 2655 softc->state = DA_STATE_PROBE_ATA; 2656 goto skipstate; 2657 } 2658 2659 bdc = (struct scsi_vpd_block_characteristics *) 2660 malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO); 2661 2662 if (bdc == NULL) { 2663 printf("dastart: Couldn't malloc bdc data\n"); 2664 /* da_free_periph??? */ 2665 break; 2666 } 2667 2668 scsi_inquiry(&start_ccb->csio, 2669 /*retries*/da_retry_count, 2670 /*cbfcnp*/dadone, 2671 /*tag_action*/MSG_SIMPLE_Q_TAG, 2672 /*inq_buf*/(u_int8_t *)bdc, 2673 /*inq_len*/sizeof(*bdc), 2674 /*evpd*/TRUE, 2675 /*page_code*/SVPD_BDC, 2676 /*sense_len*/SSD_MIN_SIZE, 2677 /*timeout*/da_default_timeout * 1000); 2678 start_ccb->ccb_h.ccb_bp = NULL; 2679 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC; 2680 xpt_action(start_ccb); 2681 break; 2682 } 2683 case DA_STATE_PROBE_ATA: 2684 { 2685 struct ata_params *ata_params; 2686 2687 if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) { 2688 daprobedone(periph, start_ccb); 2689 break; 2690 } 2691 2692 ata_params = (struct ata_params*) 2693 malloc(sizeof(*ata_params), M_SCSIDA, M_NOWAIT|M_ZERO); 2694 2695 if (ata_params == NULL) { 2696 printf("dastart: Couldn't malloc ata_params data\n"); 2697 /* da_free_periph??? */ 2698 break; 2699 } 2700 2701 scsi_ata_identify(&start_ccb->csio, 2702 /*retries*/da_retry_count, 2703 /*cbfcnp*/dadone, 2704 /*tag_action*/MSG_SIMPLE_Q_TAG, 2705 /*data_ptr*/(u_int8_t *)ata_params, 2706 /*dxfer_len*/sizeof(*ata_params), 2707 /*sense_len*/SSD_FULL_SIZE, 2708 /*timeout*/da_default_timeout * 1000); 2709 start_ccb->ccb_h.ccb_bp = NULL; 2710 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA; 2711 xpt_action(start_ccb); 2712 break; 2713 } 2714 } 2715 } 2716 2717 static int 2718 cmd6workaround(union ccb *ccb) 2719 { 2720 struct scsi_rw_6 cmd6; 2721 struct scsi_rw_10 *cmd10; 2722 struct da_softc *softc; 2723 u_int8_t *cdb; 2724 struct bio *bp; 2725 int frozen; 2726 2727 cdb = ccb->csio.cdb_io.cdb_bytes; 2728 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc; 2729 2730 if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) { 2731 da_delete_methods old_method = softc->delete_method; 2732 2733 /* 2734 * Typically there are two reasons for failure here 2735 * 1. Delete method was detected as supported but isn't 2736 * 2. Delete failed due to invalid params e.g. too big 2737 * 2738 * While we will attempt to choose an alternative delete method 2739 * this may result in short deletes if the existing delete 2740 * requests from geom are big for the new method choosen. 2741 * 2742 * This method assumes that the error which triggered this 2743 * will not retry the io otherwise a panic will occur 2744 */ 2745 dadeleteflag(softc, old_method, 0); 2746 dadeletemethodchoose(softc, DA_DELETE_DISABLE); 2747 if (softc->delete_method == DA_DELETE_DISABLE) 2748 xpt_print(ccb->ccb_h.path, 2749 "%s failed, disabling BIO_DELETE\n", 2750 da_delete_method_desc[old_method]); 2751 else 2752 xpt_print(ccb->ccb_h.path, 2753 "%s failed, switching to %s BIO_DELETE\n", 2754 da_delete_method_desc[old_method], 2755 da_delete_method_desc[softc->delete_method]); 2756 2757 if (DA_SIO) { 2758 while ((bp = bioq_takefirst(&softc->delete_run_queue)) 2759 != NULL) 2760 bioq_disksort(&softc->delete_queue, bp); 2761 } else { 2762 while ((bp = bioq_takefirst(&softc->delete_run_queue)) 2763 != NULL) 2764 bioq_insert_tail(&softc->delete_queue, bp); 2765 } 2766 bioq_insert_tail(&softc->delete_queue, 2767 (struct bio *)ccb->ccb_h.ccb_bp); 2768 ccb->ccb_h.ccb_bp = NULL; 2769 return (0); 2770 } 2771 2772 /* Translation only possible if CDB is an array and cmd is R/W6 */ 2773 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 || 2774 (*cdb != READ_6 && *cdb != WRITE_6)) 2775 return 0; 2776 2777 xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, " 2778 "increasing minimum_cmd_size to 10.\n"); 2779 softc->minimum_cmd_size = 10; 2780 2781 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6)); 2782 cmd10 = (struct scsi_rw_10 *)cdb; 2783 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10; 2784 cmd10->byte2 = 0; 2785 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr); 2786 cmd10->reserved = 0; 2787 scsi_ulto2b(cmd6.length, cmd10->length); 2788 cmd10->control = cmd6.control; 2789 ccb->csio.cdb_len = sizeof(*cmd10); 2790 2791 /* Requeue request, unfreezing queue if necessary */ 2792 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 2793 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2794 xpt_action(ccb); 2795 if (frozen) { 2796 cam_release_devq(ccb->ccb_h.path, 2797 /*relsim_flags*/0, 2798 /*reduction*/0, 2799 /*timeout*/0, 2800 /*getcount_only*/0); 2801 } 2802 return (ERESTART); 2803 } 2804 2805 static void 2806 dadone(struct cam_periph *periph, union ccb *done_ccb) 2807 { 2808 struct da_softc *softc; 2809 struct ccb_scsiio *csio; 2810 u_int32_t priority; 2811 da_ccb_state state; 2812 2813 softc = (struct da_softc *)periph->softc; 2814 priority = done_ccb->ccb_h.pinfo.priority; 2815 2816 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n")); 2817 2818 csio = &done_ccb->csio; 2819 state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK; 2820 switch (state) { 2821 case DA_CCB_BUFFER_IO: 2822 case DA_CCB_DELETE: 2823 { 2824 struct bio *bp, *bp1; 2825 2826 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 2827 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2828 int error; 2829 int sf; 2830 2831 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0) 2832 sf = SF_RETRY_UA; 2833 else 2834 sf = 0; 2835 2836 error = daerror(done_ccb, CAM_RETRY_SELTO, sf); 2837 if (error == ERESTART) { 2838 /* 2839 * A retry was scheduled, so 2840 * just return. 2841 */ 2842 return; 2843 } 2844 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 2845 if (error != 0) { 2846 int queued_error; 2847 2848 /* 2849 * return all queued I/O with EIO, so that 2850 * the client can retry these I/Os in the 2851 * proper order should it attempt to recover. 2852 */ 2853 queued_error = EIO; 2854 2855 if (error == ENXIO 2856 && (softc->flags & DA_FLAG_PACK_INVALID)== 0) { 2857 /* 2858 * Catastrophic error. Mark our pack as 2859 * invalid. 2860 */ 2861 /* 2862 * XXX See if this is really a media 2863 * XXX change first? 2864 */ 2865 xpt_print(periph->path, 2866 "Invalidating pack\n"); 2867 softc->flags |= DA_FLAG_PACK_INVALID; 2868 queued_error = ENXIO; 2869 } 2870 bioq_flush(&softc->bio_queue, NULL, 2871 queued_error); 2872 if (bp != NULL) { 2873 bp->bio_error = error; 2874 bp->bio_resid = bp->bio_bcount; 2875 bp->bio_flags |= BIO_ERROR; 2876 } 2877 } else if (bp != NULL) { 2878 bp->bio_resid = csio->resid; 2879 bp->bio_error = 0; 2880 if (bp->bio_resid != 0) 2881 bp->bio_flags |= BIO_ERROR; 2882 } 2883 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2884 cam_release_devq(done_ccb->ccb_h.path, 2885 /*relsim_flags*/0, 2886 /*reduction*/0, 2887 /*timeout*/0, 2888 /*getcount_only*/0); 2889 } else if (bp != NULL) { 2890 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2891 panic("REQ_CMP with QFRZN"); 2892 bp->bio_resid = csio->resid; 2893 if (csio->resid > 0) 2894 bp->bio_flags |= BIO_ERROR; 2895 if (softc->error_inject != 0) { 2896 bp->bio_error = softc->error_inject; 2897 bp->bio_resid = bp->bio_bcount; 2898 bp->bio_flags |= BIO_ERROR; 2899 softc->error_inject = 0; 2900 } 2901 2902 } 2903 2904 /* 2905 * Block out any asyncronous callbacks 2906 * while we touch the pending ccb list. 2907 */ 2908 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 2909 softc->outstanding_cmds--; 2910 if (softc->outstanding_cmds == 0) 2911 softc->flags |= DA_FLAG_WENT_IDLE; 2912 2913 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 2914 xpt_print(periph->path, "oustanding %d\n", 2915 softc->outstanding_cmds); 2916 } 2917 2918 if (state == DA_CCB_DELETE) { 2919 while ((bp1 = bioq_takefirst(&softc->delete_run_queue)) 2920 != NULL) { 2921 bp1->bio_resid = bp->bio_resid; 2922 bp1->bio_error = bp->bio_error; 2923 if (bp->bio_flags & BIO_ERROR) 2924 bp1->bio_flags |= BIO_ERROR; 2925 biodone(bp1); 2926 } 2927 softc->delete_running = 0; 2928 if (bp != NULL) 2929 biodone(bp); 2930 daschedule(periph); 2931 } else if (bp != NULL) 2932 biodone(bp); 2933 break; 2934 } 2935 case DA_CCB_PROBE_RC: 2936 case DA_CCB_PROBE_RC16: 2937 { 2938 struct scsi_read_capacity_data *rdcap; 2939 struct scsi_read_capacity_data_long *rcaplong; 2940 char announce_buf[80]; 2941 int lbp; 2942 2943 lbp = 0; 2944 rdcap = NULL; 2945 rcaplong = NULL; 2946 if (state == DA_CCB_PROBE_RC) 2947 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr; 2948 else 2949 rcaplong = (struct scsi_read_capacity_data_long *) 2950 csio->data_ptr; 2951 2952 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 2953 struct disk_params *dp; 2954 uint32_t block_size; 2955 uint64_t maxsector; 2956 u_int lbppbe; /* LB per physical block exponent. */ 2957 u_int lalba; /* Lowest aligned LBA. */ 2958 2959 if (state == DA_CCB_PROBE_RC) { 2960 block_size = scsi_4btoul(rdcap->length); 2961 maxsector = scsi_4btoul(rdcap->addr); 2962 lbppbe = 0; 2963 lalba = 0; 2964 2965 /* 2966 * According to SBC-2, if the standard 10 2967 * byte READ CAPACITY command returns 2^32, 2968 * we should issue the 16 byte version of 2969 * the command, since the device in question 2970 * has more sectors than can be represented 2971 * with the short version of the command. 2972 */ 2973 if (maxsector == 0xffffffff) { 2974 free(rdcap, M_SCSIDA); 2975 xpt_release_ccb(done_ccb); 2976 softc->state = DA_STATE_PROBE_RC16; 2977 xpt_schedule(periph, priority); 2978 return; 2979 } 2980 } else { 2981 block_size = scsi_4btoul(rcaplong->length); 2982 maxsector = scsi_8btou64(rcaplong->addr); 2983 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE; 2984 lalba = scsi_2btoul(rcaplong->lalba_lbp); 2985 } 2986 2987 /* 2988 * Because GEOM code just will panic us if we 2989 * give them an 'illegal' value we'll avoid that 2990 * here. 2991 */ 2992 if (block_size == 0 && maxsector == 0) { 2993 snprintf(announce_buf, sizeof(announce_buf), 2994 "0MB (no media?)"); 2995 } else if (block_size >= MAXPHYS || block_size == 0) { 2996 xpt_print(periph->path, 2997 "unsupportable block size %ju\n", 2998 (uintmax_t) block_size); 2999 announce_buf[0] = '\0'; 3000 cam_periph_invalidate(periph); 3001 } else { 3002 /* 3003 * We pass rcaplong into dasetgeom(), 3004 * because it will only use it if it is 3005 * non-NULL. 3006 */ 3007 dasetgeom(periph, block_size, maxsector, 3008 rcaplong, sizeof(*rcaplong)); 3009 lbp = (lalba & SRC16_LBPME_A); 3010 dp = &softc->params; 3011 snprintf(announce_buf, sizeof(announce_buf), 3012 "%juMB (%ju %u byte sectors: %dH %dS/T " 3013 "%dC)", (uintmax_t) 3014 (((uintmax_t)dp->secsize * 3015 dp->sectors) / (1024*1024)), 3016 (uintmax_t)dp->sectors, 3017 dp->secsize, dp->heads, 3018 dp->secs_per_track, dp->cylinders); 3019 } 3020 } else { 3021 int error; 3022 3023 announce_buf[0] = '\0'; 3024 3025 /* 3026 * Retry any UNIT ATTENTION type errors. They 3027 * are expected at boot. 3028 */ 3029 error = daerror(done_ccb, CAM_RETRY_SELTO, 3030 SF_RETRY_UA|SF_NO_PRINT); 3031 if (error == ERESTART) { 3032 /* 3033 * A retry was scheuled, so 3034 * just return. 3035 */ 3036 return; 3037 } else if (error != 0) { 3038 int asc, ascq; 3039 int sense_key, error_code; 3040 int have_sense; 3041 cam_status status; 3042 struct ccb_getdev cgd; 3043 3044 /* Don't wedge this device's queue */ 3045 status = done_ccb->ccb_h.status; 3046 if ((status & CAM_DEV_QFRZN) != 0) 3047 cam_release_devq(done_ccb->ccb_h.path, 3048 /*relsim_flags*/0, 3049 /*reduction*/0, 3050 /*timeout*/0, 3051 /*getcount_only*/0); 3052 3053 3054 xpt_setup_ccb(&cgd.ccb_h, 3055 done_ccb->ccb_h.path, 3056 CAM_PRIORITY_NORMAL); 3057 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 3058 xpt_action((union ccb *)&cgd); 3059 3060 if (scsi_extract_sense_ccb(done_ccb, 3061 &error_code, &sense_key, &asc, &ascq)) 3062 have_sense = TRUE; 3063 else 3064 have_sense = FALSE; 3065 3066 /* 3067 * If we tried READ CAPACITY(16) and failed, 3068 * fallback to READ CAPACITY(10). 3069 */ 3070 if ((state == DA_CCB_PROBE_RC16) && 3071 (softc->flags & DA_FLAG_CAN_RC16) && 3072 (((csio->ccb_h.status & CAM_STATUS_MASK) == 3073 CAM_REQ_INVALID) || 3074 ((have_sense) && 3075 (error_code == SSD_CURRENT_ERROR) && 3076 (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) { 3077 softc->flags &= ~DA_FLAG_CAN_RC16; 3078 free(rdcap, M_SCSIDA); 3079 xpt_release_ccb(done_ccb); 3080 softc->state = DA_STATE_PROBE_RC; 3081 xpt_schedule(periph, priority); 3082 return; 3083 } else 3084 /* 3085 * Attach to anything that claims to be a 3086 * direct access or optical disk device, 3087 * as long as it doesn't return a "Logical 3088 * unit not supported" (0x25) error. 3089 */ 3090 if ((have_sense) && (asc != 0x25) 3091 && (error_code == SSD_CURRENT_ERROR)) { 3092 const char *sense_key_desc; 3093 const char *asc_desc; 3094 3095 scsi_sense_desc(sense_key, asc, ascq, 3096 &cgd.inq_data, 3097 &sense_key_desc, 3098 &asc_desc); 3099 snprintf(announce_buf, 3100 sizeof(announce_buf), 3101 "Attempt to query device " 3102 "size failed: %s, %s", 3103 sense_key_desc, 3104 asc_desc); 3105 } else { 3106 if (have_sense) 3107 scsi_sense_print( 3108 &done_ccb->csio); 3109 else { 3110 xpt_print(periph->path, 3111 "got CAM status %#x\n", 3112 done_ccb->ccb_h.status); 3113 } 3114 3115 xpt_print(periph->path, "fatal error, " 3116 "failed to attach to device\n"); 3117 3118 /* 3119 * Free up resources. 3120 */ 3121 cam_periph_invalidate(periph); 3122 } 3123 } 3124 } 3125 free(csio->data_ptr, M_SCSIDA); 3126 if (announce_buf[0] != '\0' && ((softc->flags & DA_FLAG_PROBED) == 0)) { 3127 /* 3128 * Create our sysctl variables, now that we know 3129 * we have successfully attached. 3130 */ 3131 /* increase the refcount */ 3132 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 3133 taskqueue_enqueue(taskqueue_thread, 3134 &softc->sysctl_task); 3135 xpt_announce_periph(periph, announce_buf); 3136 xpt_announce_quirks(periph, softc->quirks, 3137 DA_Q_BIT_STRING); 3138 } else { 3139 xpt_print(periph->path, "fatal error, " 3140 "could not acquire reference count\n"); 3141 } 3142 } 3143 3144 /* Ensure re-probe doesn't see old delete. */ 3145 softc->delete_available = 0; 3146 if (lbp) { 3147 /* 3148 * Based on older SBC-3 spec revisions 3149 * any of the UNMAP methods "may" be 3150 * available via LBP given this flag so 3151 * we flag all of them as availble and 3152 * then remove those which further 3153 * probes confirm aren't available 3154 * later. 3155 * 3156 * We could also check readcap(16) p_type 3157 * flag to exclude one or more invalid 3158 * write same (X) types here 3159 */ 3160 dadeleteflag(softc, DA_DELETE_WS16, 1); 3161 dadeleteflag(softc, DA_DELETE_WS10, 1); 3162 dadeleteflag(softc, DA_DELETE_ZERO, 1); 3163 dadeleteflag(softc, DA_DELETE_UNMAP, 1); 3164 3165 xpt_release_ccb(done_ccb); 3166 softc->state = DA_STATE_PROBE_LBP; 3167 xpt_schedule(periph, priority); 3168 return; 3169 } 3170 3171 xpt_release_ccb(done_ccb); 3172 softc->state = DA_STATE_PROBE_BDC; 3173 xpt_schedule(periph, priority); 3174 return; 3175 } 3176 case DA_CCB_PROBE_LBP: 3177 { 3178 struct scsi_vpd_logical_block_prov *lbp; 3179 3180 lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr; 3181 3182 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3183 /* 3184 * T10/1799-D Revision 31 states at least one of these 3185 * must be supported but we don't currently enforce this. 3186 */ 3187 dadeleteflag(softc, DA_DELETE_WS16, 3188 (lbp->flags & SVPD_LBP_WS16)); 3189 dadeleteflag(softc, DA_DELETE_WS10, 3190 (lbp->flags & SVPD_LBP_WS10)); 3191 dadeleteflag(softc, DA_DELETE_ZERO, 3192 (lbp->flags & SVPD_LBP_WS10)); 3193 dadeleteflag(softc, DA_DELETE_UNMAP, 3194 (lbp->flags & SVPD_LBP_UNMAP)); 3195 3196 if (lbp->flags & SVPD_LBP_UNMAP) { 3197 free(lbp, M_SCSIDA); 3198 xpt_release_ccb(done_ccb); 3199 softc->state = DA_STATE_PROBE_BLK_LIMITS; 3200 xpt_schedule(periph, priority); 3201 return; 3202 } 3203 } else { 3204 int error; 3205 error = daerror(done_ccb, CAM_RETRY_SELTO, 3206 SF_RETRY_UA|SF_NO_PRINT); 3207 if (error == ERESTART) 3208 return; 3209 else if (error != 0) { 3210 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3211 /* Don't wedge this device's queue */ 3212 cam_release_devq(done_ccb->ccb_h.path, 3213 /*relsim_flags*/0, 3214 /*reduction*/0, 3215 /*timeout*/0, 3216 /*getcount_only*/0); 3217 } 3218 3219 /* 3220 * Failure indicates we don't support any SBC-3 3221 * delete methods with UNMAP 3222 */ 3223 } 3224 } 3225 3226 free(lbp, M_SCSIDA); 3227 xpt_release_ccb(done_ccb); 3228 softc->state = DA_STATE_PROBE_BDC; 3229 xpt_schedule(periph, priority); 3230 return; 3231 } 3232 case DA_CCB_PROBE_BLK_LIMITS: 3233 { 3234 struct scsi_vpd_block_limits *block_limits; 3235 3236 block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr; 3237 3238 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3239 uint32_t max_unmap_lba_cnt = scsi_4btoul( 3240 block_limits->max_unmap_lba_cnt); 3241 uint32_t max_unmap_blk_cnt = scsi_4btoul( 3242 block_limits->max_unmap_blk_cnt); 3243 uint64_t ws_max_blks = scsi_8btou64( 3244 block_limits->max_write_same_length); 3245 /* 3246 * We should already support UNMAP but we check lba 3247 * and block count to be sure 3248 */ 3249 if (max_unmap_lba_cnt != 0x00L && 3250 max_unmap_blk_cnt != 0x00L) { 3251 softc->unmap_max_lba = max_unmap_lba_cnt; 3252 softc->unmap_max_ranges = min(max_unmap_blk_cnt, 3253 UNMAP_MAX_RANGES); 3254 } else { 3255 /* 3256 * Unexpected UNMAP limits which means the 3257 * device doesn't actually support UNMAP 3258 */ 3259 dadeleteflag(softc, DA_DELETE_UNMAP, 0); 3260 } 3261 3262 if (ws_max_blks != 0x00L) 3263 softc->ws_max_blks = ws_max_blks; 3264 } else { 3265 int error; 3266 error = daerror(done_ccb, CAM_RETRY_SELTO, 3267 SF_RETRY_UA|SF_NO_PRINT); 3268 if (error == ERESTART) 3269 return; 3270 else if (error != 0) { 3271 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3272 /* Don't wedge this device's queue */ 3273 cam_release_devq(done_ccb->ccb_h.path, 3274 /*relsim_flags*/0, 3275 /*reduction*/0, 3276 /*timeout*/0, 3277 /*getcount_only*/0); 3278 } 3279 3280 /* 3281 * Failure here doesn't mean UNMAP is not 3282 * supported as this is an optional page. 3283 */ 3284 softc->unmap_max_lba = 1; 3285 softc->unmap_max_ranges = 1; 3286 } 3287 } 3288 3289 free(block_limits, M_SCSIDA); 3290 xpt_release_ccb(done_ccb); 3291 softc->state = DA_STATE_PROBE_BDC; 3292 xpt_schedule(periph, priority); 3293 return; 3294 } 3295 case DA_CCB_PROBE_BDC: 3296 { 3297 struct scsi_vpd_block_characteristics *bdc; 3298 3299 bdc = (struct scsi_vpd_block_characteristics *)csio->data_ptr; 3300 3301 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3302 /* 3303 * Disable queue sorting for non-rotational media 3304 * by default. 3305 */ 3306 if (scsi_2btoul(bdc->medium_rotation_rate) == 3307 SVPD_BDC_RATE_NONE_ROTATING) 3308 softc->sort_io_queue = 0; 3309 } else { 3310 int error; 3311 error = daerror(done_ccb, CAM_RETRY_SELTO, 3312 SF_RETRY_UA|SF_NO_PRINT); 3313 if (error == ERESTART) 3314 return; 3315 else if (error != 0) { 3316 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3317 /* Don't wedge this device's queue */ 3318 cam_release_devq(done_ccb->ccb_h.path, 3319 /*relsim_flags*/0, 3320 /*reduction*/0, 3321 /*timeout*/0, 3322 /*getcount_only*/0); 3323 } 3324 } 3325 } 3326 3327 free(bdc, M_SCSIDA); 3328 xpt_release_ccb(done_ccb); 3329 softc->state = DA_STATE_PROBE_ATA; 3330 xpt_schedule(periph, priority); 3331 return; 3332 } 3333 case DA_CCB_PROBE_ATA: 3334 { 3335 int i; 3336 struct ata_params *ata_params; 3337 int16_t *ptr; 3338 3339 ata_params = (struct ata_params *)csio->data_ptr; 3340 ptr = (uint16_t *)ata_params; 3341 3342 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3343 for (i = 0; i < sizeof(*ata_params) / 2; i++) 3344 ptr[i] = le16toh(ptr[i]); 3345 if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM) { 3346 dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1); 3347 if (ata_params->max_dsm_blocks != 0) 3348 softc->trim_max_ranges = min( 3349 softc->trim_max_ranges, 3350 ata_params->max_dsm_blocks * 3351 ATA_DSM_BLK_RANGES); 3352 } 3353 /* 3354 * Disable queue sorting for non-rotational media 3355 * by default. 3356 */ 3357 if (ata_params->media_rotation_rate == 1) 3358 softc->sort_io_queue = 0; 3359 } else { 3360 int error; 3361 error = daerror(done_ccb, CAM_RETRY_SELTO, 3362 SF_RETRY_UA|SF_NO_PRINT); 3363 if (error == ERESTART) 3364 return; 3365 else if (error != 0) { 3366 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3367 /* Don't wedge this device's queue */ 3368 cam_release_devq(done_ccb->ccb_h.path, 3369 /*relsim_flags*/0, 3370 /*reduction*/0, 3371 /*timeout*/0, 3372 /*getcount_only*/0); 3373 } 3374 } 3375 } 3376 3377 free(ata_params, M_SCSIDA); 3378 daprobedone(periph, done_ccb); 3379 return; 3380 } 3381 case DA_CCB_WAITING: 3382 { 3383 /* Caller will release the CCB */ 3384 wakeup(&done_ccb->ccb_h.cbfcnp); 3385 return; 3386 } 3387 case DA_CCB_DUMP: 3388 /* No-op. We're polling */ 3389 return; 3390 case DA_CCB_TUR: 3391 { 3392 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 3393 3394 if (daerror(done_ccb, CAM_RETRY_SELTO, 3395 SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) == 3396 ERESTART) 3397 return; 3398 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 3399 cam_release_devq(done_ccb->ccb_h.path, 3400 /*relsim_flags*/0, 3401 /*reduction*/0, 3402 /*timeout*/0, 3403 /*getcount_only*/0); 3404 } 3405 xpt_release_ccb(done_ccb); 3406 cam_periph_release_locked(periph); 3407 return; 3408 } 3409 default: 3410 break; 3411 } 3412 xpt_release_ccb(done_ccb); 3413 } 3414 3415 static void 3416 dareprobe(struct cam_periph *periph) 3417 { 3418 struct da_softc *softc; 3419 cam_status status; 3420 3421 softc = (struct da_softc *)periph->softc; 3422 3423 /* Probe in progress; don't interfere. */ 3424 if (softc->state != DA_STATE_NORMAL) 3425 return; 3426 3427 status = cam_periph_acquire(periph); 3428 KASSERT(status == CAM_REQ_CMP, 3429 ("dareprobe: cam_periph_acquire failed")); 3430 3431 if (softc->flags & DA_FLAG_CAN_RC16) 3432 softc->state = DA_STATE_PROBE_RC16; 3433 else 3434 softc->state = DA_STATE_PROBE_RC; 3435 3436 xpt_schedule(periph, CAM_PRIORITY_DEV); 3437 } 3438 3439 static int 3440 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3441 { 3442 struct da_softc *softc; 3443 struct cam_periph *periph; 3444 int error, error_code, sense_key, asc, ascq; 3445 3446 periph = xpt_path_periph(ccb->ccb_h.path); 3447 softc = (struct da_softc *)periph->softc; 3448 3449 /* 3450 * Automatically detect devices that do not support 3451 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs. 3452 */ 3453 error = 0; 3454 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3455 error = cmd6workaround(ccb); 3456 } else if (scsi_extract_sense_ccb(ccb, 3457 &error_code, &sense_key, &asc, &ascq)) { 3458 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3459 error = cmd6workaround(ccb); 3460 /* 3461 * If the target replied with CAPACITY DATA HAS CHANGED UA, 3462 * query the capacity and notify upper layers. 3463 */ 3464 else if (sense_key == SSD_KEY_UNIT_ATTENTION && 3465 asc == 0x2A && ascq == 0x09) { 3466 xpt_print(periph->path, "capacity data has changed\n"); 3467 dareprobe(periph); 3468 sense_flags |= SF_NO_PRINT; 3469 } else if (sense_key == SSD_KEY_UNIT_ATTENTION && 3470 asc == 0x28 && ascq == 0x00) 3471 disk_media_changed(softc->disk, M_NOWAIT); 3472 else if (sense_key == SSD_KEY_NOT_READY && 3473 asc == 0x3a && (softc->flags & DA_FLAG_SAW_MEDIA)) { 3474 softc->flags &= ~DA_FLAG_SAW_MEDIA; 3475 disk_media_gone(softc->disk, M_NOWAIT); 3476 } 3477 } 3478 if (error == ERESTART) 3479 return (ERESTART); 3480 3481 /* 3482 * XXX 3483 * Until we have a better way of doing pack validation, 3484 * don't treat UAs as errors. 3485 */ 3486 sense_flags |= SF_RETRY_UA; 3487 return(cam_periph_error(ccb, cam_flags, sense_flags, 3488 &softc->saved_ccb)); 3489 } 3490 3491 static void 3492 damediapoll(void *arg) 3493 { 3494 struct cam_periph *periph = arg; 3495 struct da_softc *softc = periph->softc; 3496 3497 if (!softc->tur && softc->outstanding_cmds == 0) { 3498 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 3499 softc->tur = 1; 3500 daschedule(periph); 3501 } 3502 } 3503 /* Queue us up again */ 3504 if (da_poll_period != 0) 3505 callout_schedule(&softc->mediapoll_c, da_poll_period * hz); 3506 } 3507 3508 static void 3509 daprevent(struct cam_periph *periph, int action) 3510 { 3511 struct da_softc *softc; 3512 union ccb *ccb; 3513 int error; 3514 3515 softc = (struct da_softc *)periph->softc; 3516 3517 if (((action == PR_ALLOW) 3518 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0) 3519 || ((action == PR_PREVENT) 3520 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) { 3521 return; 3522 } 3523 3524 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3525 3526 scsi_prevent(&ccb->csio, 3527 /*retries*/1, 3528 /*cbcfp*/dadone, 3529 MSG_SIMPLE_Q_TAG, 3530 action, 3531 SSD_FULL_SIZE, 3532 5000); 3533 3534 error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO, 3535 SF_RETRY_UA | SF_QUIET_IR, softc->disk->d_devstat); 3536 3537 if (error == 0) { 3538 if (action == PR_ALLOW) 3539 softc->flags &= ~DA_FLAG_PACK_LOCKED; 3540 else 3541 softc->flags |= DA_FLAG_PACK_LOCKED; 3542 } 3543 3544 xpt_release_ccb(ccb); 3545 } 3546 3547 static void 3548 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector, 3549 struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len) 3550 { 3551 struct ccb_calc_geometry ccg; 3552 struct da_softc *softc; 3553 struct disk_params *dp; 3554 u_int lbppbe, lalba; 3555 3556 softc = (struct da_softc *)periph->softc; 3557 3558 dp = &softc->params; 3559 dp->secsize = block_len; 3560 dp->sectors = maxsector + 1; 3561 if (rcaplong != NULL) { 3562 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE; 3563 lalba = scsi_2btoul(rcaplong->lalba_lbp); 3564 lalba &= SRC16_LALBA_A; 3565 } else { 3566 lbppbe = 0; 3567 lalba = 0; 3568 } 3569 3570 if (lbppbe > 0) { 3571 dp->stripesize = block_len << lbppbe; 3572 dp->stripeoffset = (dp->stripesize - block_len * lalba) % 3573 dp->stripesize; 3574 } else if (softc->quirks & DA_Q_4K) { 3575 dp->stripesize = 4096; 3576 dp->stripeoffset = 0; 3577 } else { 3578 dp->stripesize = 0; 3579 dp->stripeoffset = 0; 3580 } 3581 /* 3582 * Have the controller provide us with a geometry 3583 * for this disk. The only time the geometry 3584 * matters is when we boot and the controller 3585 * is the only one knowledgeable enough to come 3586 * up with something that will make this a bootable 3587 * device. 3588 */ 3589 xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 3590 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY; 3591 ccg.block_size = dp->secsize; 3592 ccg.volume_size = dp->sectors; 3593 ccg.heads = 0; 3594 ccg.secs_per_track = 0; 3595 ccg.cylinders = 0; 3596 xpt_action((union ccb*)&ccg); 3597 if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 3598 /* 3599 * We don't know what went wrong here- but just pick 3600 * a geometry so we don't have nasty things like divide 3601 * by zero. 3602 */ 3603 dp->heads = 255; 3604 dp->secs_per_track = 255; 3605 dp->cylinders = dp->sectors / (255 * 255); 3606 if (dp->cylinders == 0) { 3607 dp->cylinders = 1; 3608 } 3609 } else { 3610 dp->heads = ccg.heads; 3611 dp->secs_per_track = ccg.secs_per_track; 3612 dp->cylinders = ccg.cylinders; 3613 } 3614 3615 /* 3616 * If the user supplied a read capacity buffer, and if it is 3617 * different than the previous buffer, update the data in the EDT. 3618 * If it's the same, we don't bother. This avoids sending an 3619 * update every time someone opens this device. 3620 */ 3621 if ((rcaplong != NULL) 3622 && (bcmp(rcaplong, &softc->rcaplong, 3623 min(sizeof(softc->rcaplong), rcap_len)) != 0)) { 3624 struct ccb_dev_advinfo cdai; 3625 3626 xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 3627 cdai.ccb_h.func_code = XPT_DEV_ADVINFO; 3628 cdai.buftype = CDAI_TYPE_RCAPLONG; 3629 cdai.flags |= CDAI_FLAG_STORE; 3630 cdai.bufsiz = rcap_len; 3631 cdai.buf = (uint8_t *)rcaplong; 3632 xpt_action((union ccb *)&cdai); 3633 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0) 3634 cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE); 3635 if (cdai.ccb_h.status != CAM_REQ_CMP) { 3636 xpt_print(periph->path, "%s: failed to set read " 3637 "capacity advinfo\n", __func__); 3638 /* Use cam_error_print() to decode the status */ 3639 cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS, 3640 CAM_EPF_ALL); 3641 } else { 3642 bcopy(rcaplong, &softc->rcaplong, 3643 min(sizeof(softc->rcaplong), rcap_len)); 3644 } 3645 } 3646 3647 softc->disk->d_sectorsize = softc->params.secsize; 3648 softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors; 3649 softc->disk->d_stripesize = softc->params.stripesize; 3650 softc->disk->d_stripeoffset = softc->params.stripeoffset; 3651 /* XXX: these are not actually "firmware" values, so they may be wrong */ 3652 softc->disk->d_fwsectors = softc->params.secs_per_track; 3653 softc->disk->d_fwheads = softc->params.heads; 3654 softc->disk->d_devstat->block_size = softc->params.secsize; 3655 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 3656 } 3657 3658 static void 3659 dasendorderedtag(void *arg) 3660 { 3661 struct da_softc *softc = arg; 3662 3663 if (da_send_ordered) { 3664 if ((softc->ordered_tag_count == 0) 3665 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) { 3666 softc->flags |= DA_FLAG_NEED_OTAG; 3667 } 3668 if (softc->outstanding_cmds > 0) 3669 softc->flags &= ~DA_FLAG_WENT_IDLE; 3670 3671 softc->ordered_tag_count = 0; 3672 } 3673 /* Queue us up again */ 3674 callout_reset(&softc->sendordered_c, 3675 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL, 3676 dasendorderedtag, softc); 3677 } 3678 3679 /* 3680 * Step through all DA peripheral drivers, and if the device is still open, 3681 * sync the disk cache to physical media. 3682 */ 3683 static void 3684 dashutdown(void * arg, int howto) 3685 { 3686 struct cam_periph *periph; 3687 struct da_softc *softc; 3688 union ccb *ccb; 3689 int error; 3690 3691 CAM_PERIPH_FOREACH(periph, &dadriver) { 3692 softc = (struct da_softc *)periph->softc; 3693 if (SCHEDULER_STOPPED()) { 3694 /* If we paniced with the lock held, do not recurse. */ 3695 if (!cam_periph_owned(periph) && 3696 (softc->flags & DA_FLAG_OPEN)) { 3697 dadump(softc->disk, NULL, 0, 0, 0); 3698 } 3699 continue; 3700 } 3701 cam_periph_lock(periph); 3702 3703 /* 3704 * We only sync the cache if the drive is still open, and 3705 * if the drive is capable of it.. 3706 */ 3707 if (((softc->flags & DA_FLAG_OPEN) == 0) 3708 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) { 3709 cam_periph_unlock(periph); 3710 continue; 3711 } 3712 3713 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3714 scsi_synchronize_cache(&ccb->csio, 3715 /*retries*/0, 3716 /*cbfcnp*/dadone, 3717 MSG_SIMPLE_Q_TAG, 3718 /*begin_lba*/0, /* whole disk */ 3719 /*lb_count*/0, 3720 SSD_FULL_SIZE, 3721 60 * 60 * 1000); 3722 3723 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0, 3724 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, 3725 softc->disk->d_devstat); 3726 if (error != 0) 3727 xpt_print(periph->path, "Synchronize cache failed\n"); 3728 xpt_release_ccb(ccb); 3729 cam_periph_unlock(periph); 3730 } 3731 } 3732 3733 #else /* !_KERNEL */ 3734 3735 /* 3736 * XXX This is only left out of the kernel build to silence warnings. If, 3737 * for some reason this function is used in the kernel, the ifdefs should 3738 * be moved so it is included both in the kernel and userland. 3739 */ 3740 void 3741 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries, 3742 void (*cbfcnp)(struct cam_periph *, union ccb *), 3743 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave, 3744 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3745 u_int32_t timeout) 3746 { 3747 struct scsi_format_unit *scsi_cmd; 3748 3749 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes; 3750 scsi_cmd->opcode = FORMAT_UNIT; 3751 scsi_cmd->byte2 = byte2; 3752 scsi_ulto2b(ileave, scsi_cmd->interleave); 3753 3754 cam_fill_csio(csio, 3755 retries, 3756 cbfcnp, 3757 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 3758 tag_action, 3759 data_ptr, 3760 dxfer_len, 3761 sense_len, 3762 sizeof(*scsi_cmd), 3763 timeout); 3764 } 3765 3766 #endif /* _KERNEL */
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