1 /*- 2 * Implementation of SCSI Direct Access Peripheral driver for CAM. 3 * 4 * Copyright (c) 1997 Justin T. Gibbs. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions, and the following disclaimer, 12 * without modification, immediately at the beginning of the file. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 34 #ifdef _KERNEL 35 #include <sys/systm.h> 36 #include <sys/kernel.h> 37 #include <sys/bio.h> 38 #include <sys/sysctl.h> 39 #include <sys/taskqueue.h> 40 #include <sys/lock.h> 41 #include <sys/mutex.h> 42 #include <sys/conf.h> 43 #include <sys/devicestat.h> 44 #include <sys/eventhandler.h> 45 #include <sys/malloc.h> 46 #include <sys/cons.h> 47 #include <sys/endian.h> 48 #include <sys/proc.h> 49 #include <geom/geom.h> 50 #include <geom/geom_disk.h> 51 #endif /* _KERNEL */ 52 53 #ifndef _KERNEL 54 #include <stdio.h> 55 #include <string.h> 56 #endif /* _KERNEL */ 57 58 #include <cam/cam.h> 59 #include <cam/cam_ccb.h> 60 #include <cam/cam_periph.h> 61 #include <cam/cam_xpt_periph.h> 62 #include <cam/cam_sim.h> 63 64 #include <cam/scsi/scsi_message.h> 65 66 #ifndef _KERNEL 67 #include <cam/scsi/scsi_da.h> 68 #endif /* !_KERNEL */ 69 70 #ifdef _KERNEL 71 typedef enum { 72 DA_STATE_PROBE_RC, 73 DA_STATE_PROBE_RC16, 74 DA_STATE_PROBE_LBP, 75 DA_STATE_PROBE_BLK_LIMITS, 76 DA_STATE_PROBE_BDC, 77 DA_STATE_PROBE_ATA, 78 DA_STATE_NORMAL 79 } da_state; 80 81 typedef enum { 82 DA_FLAG_PACK_INVALID = 0x001, 83 DA_FLAG_NEW_PACK = 0x002, 84 DA_FLAG_PACK_LOCKED = 0x004, 85 DA_FLAG_PACK_REMOVABLE = 0x008, 86 DA_FLAG_NEED_OTAG = 0x020, 87 DA_FLAG_WAS_OTAG = 0x040, 88 DA_FLAG_RETRY_UA = 0x080, 89 DA_FLAG_OPEN = 0x100, 90 DA_FLAG_SCTX_INIT = 0x200, 91 DA_FLAG_CAN_RC16 = 0x400, 92 DA_FLAG_PROBED = 0x800, 93 DA_FLAG_DIRTY = 0x1000 94 } da_flags; 95 96 typedef enum { 97 DA_Q_NONE = 0x00, 98 DA_Q_NO_SYNC_CACHE = 0x01, 99 DA_Q_NO_6_BYTE = 0x02, 100 DA_Q_NO_PREVENT = 0x04, 101 DA_Q_4K = 0x08, 102 DA_Q_NO_RC16 = 0x10 103 } da_quirks; 104 105 #define DA_Q_BIT_STRING \ 106 "\020" \ 107 "\001NO_SYNC_CACHE" \ 108 "\002NO_6_BYTE" \ 109 "\003NO_PREVENT" \ 110 "\0044K" \ 111 "\005NO_RC16" 112 113 typedef enum { 114 DA_CCB_PROBE_RC = 0x01, 115 DA_CCB_PROBE_RC16 = 0x02, 116 DA_CCB_PROBE_LBP = 0x03, 117 DA_CCB_PROBE_BLK_LIMITS = 0x04, 118 DA_CCB_PROBE_BDC = 0x05, 119 DA_CCB_PROBE_ATA = 0x06, 120 DA_CCB_BUFFER_IO = 0x07, 121 DA_CCB_DUMP = 0x0A, 122 DA_CCB_DELETE = 0x0B, 123 DA_CCB_TUR = 0x0C, 124 DA_CCB_TYPE_MASK = 0x0F, 125 DA_CCB_RETRY_UA = 0x10 126 } da_ccb_state; 127 128 /* 129 * Order here is important for method choice 130 * 131 * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to 132 * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes 133 * using ATA_TRIM than the corresponding UNMAP results for a real world mysql 134 * import taking 5mins. 135 * 136 */ 137 typedef enum { 138 DA_DELETE_NONE, 139 DA_DELETE_DISABLE, 140 DA_DELETE_ATA_TRIM, 141 DA_DELETE_UNMAP, 142 DA_DELETE_WS16, 143 DA_DELETE_WS10, 144 DA_DELETE_ZERO, 145 DA_DELETE_MIN = DA_DELETE_ATA_TRIM, 146 DA_DELETE_MAX = DA_DELETE_ZERO 147 } da_delete_methods; 148 149 typedef void da_delete_func_t (struct cam_periph *periph, union ccb *ccb, 150 struct bio *bp); 151 static da_delete_func_t da_delete_trim; 152 static da_delete_func_t da_delete_unmap; 153 static da_delete_func_t da_delete_ws; 154 155 static const void * da_delete_functions[] = { 156 NULL, 157 NULL, 158 da_delete_trim, 159 da_delete_unmap, 160 da_delete_ws, 161 da_delete_ws, 162 da_delete_ws 163 }; 164 165 static const char *da_delete_method_names[] = 166 { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" }; 167 static const char *da_delete_method_desc[] = 168 { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP", 169 "WRITE SAME(10) with UNMAP", "ZERO" }; 170 171 /* Offsets into our private area for storing information */ 172 #define ccb_state ppriv_field0 173 #define ccb_bp ppriv_ptr1 174 175 struct disk_params { 176 u_int8_t heads; 177 u_int32_t cylinders; 178 u_int8_t secs_per_track; 179 u_int32_t secsize; /* Number of bytes/sector */ 180 u_int64_t sectors; /* total number sectors */ 181 u_int stripesize; 182 u_int stripeoffset; 183 }; 184 185 #define UNMAP_RANGE_MAX 0xffffffff 186 #define UNMAP_HEAD_SIZE 8 187 #define UNMAP_RANGE_SIZE 16 188 #define UNMAP_MAX_RANGES 2048 /* Protocol Max is 4095 */ 189 #define UNMAP_BUF_SIZE ((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \ 190 UNMAP_HEAD_SIZE) 191 192 #define WS10_MAX_BLKS 0xffff 193 #define WS16_MAX_BLKS 0xffffffff 194 #define ATA_TRIM_MAX_RANGES ((UNMAP_BUF_SIZE / \ 195 (ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE) 196 197 struct da_softc { 198 struct bio_queue_head bio_queue; 199 struct bio_queue_head delete_queue; 200 struct bio_queue_head delete_run_queue; 201 LIST_HEAD(, ccb_hdr) pending_ccbs; 202 int tur; /* TEST UNIT READY should be sent */ 203 int refcount; /* Active xpt_action() calls */ 204 da_state state; 205 da_flags flags; 206 da_quirks quirks; 207 int sort_io_queue; 208 int minimum_cmd_size; 209 int error_inject; 210 int trim_max_ranges; 211 int delete_running; 212 int delete_available; /* Delete methods possibly available */ 213 uint32_t unmap_max_ranges; 214 uint32_t unmap_max_lba; /* Max LBAs in a single range */ 215 uint64_t ws_max_blks; 216 da_delete_methods delete_method; 217 da_delete_func_t *delete_func; 218 struct disk_params params; 219 struct disk *disk; 220 union ccb saved_ccb; 221 struct task sysctl_task; 222 struct sysctl_ctx_list sysctl_ctx; 223 struct sysctl_oid *sysctl_tree; 224 struct callout sendordered_c; 225 uint64_t wwpn; 226 uint8_t unmap_buf[UNMAP_BUF_SIZE]; 227 struct scsi_read_capacity_data_long rcaplong; 228 struct callout mediapoll_c; 229 }; 230 231 #define dadeleteflag(softc, delete_method, enable) \ 232 if (enable) { \ 233 softc->delete_available |= (1 << delete_method); \ 234 } else { \ 235 softc->delete_available &= ~(1 << delete_method); \ 236 } 237 238 struct da_quirk_entry { 239 struct scsi_inquiry_pattern inq_pat; 240 da_quirks quirks; 241 }; 242 243 static const char quantum[] = "QUANTUM"; 244 static const char microp[] = "MICROP"; 245 246 static struct da_quirk_entry da_quirk_table[] = 247 { 248 /* SPI, FC devices */ 249 { 250 /* 251 * Fujitsu M2513A MO drives. 252 * Tested devices: M2513A2 firmware versions 1200 & 1300. 253 * (dip switch selects whether T_DIRECT or T_OPTICAL device) 254 * Reported by: W.Scholten <whs@xs4all.nl> 255 */ 256 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 257 /*quirks*/ DA_Q_NO_SYNC_CACHE 258 }, 259 { 260 /* See above. */ 261 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"}, 262 /*quirks*/ DA_Q_NO_SYNC_CACHE 263 }, 264 { 265 /* 266 * This particular Fujitsu drive doesn't like the 267 * synchronize cache command. 268 * Reported by: Tom Jackson <toj@gorilla.net> 269 */ 270 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"}, 271 /*quirks*/ DA_Q_NO_SYNC_CACHE 272 }, 273 { 274 /* 275 * This drive doesn't like the synchronize cache command 276 * either. Reported by: Matthew Jacob <mjacob@feral.com> 277 * in NetBSD PR kern/6027, August 24, 1998. 278 */ 279 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"}, 280 /*quirks*/ DA_Q_NO_SYNC_CACHE 281 }, 282 { 283 /* 284 * This drive doesn't like the synchronize cache command 285 * either. Reported by: Hellmuth Michaelis (hm@kts.org) 286 * (PR 8882). 287 */ 288 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"}, 289 /*quirks*/ DA_Q_NO_SYNC_CACHE 290 }, 291 { 292 /* 293 * Doesn't like the synchronize cache command. 294 * Reported by: Blaz Zupan <blaz@gold.amis.net> 295 */ 296 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"}, 297 /*quirks*/ DA_Q_NO_SYNC_CACHE 298 }, 299 { 300 /* 301 * Doesn't like the synchronize cache command. 302 * Reported by: Blaz Zupan <blaz@gold.amis.net> 303 */ 304 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"}, 305 /*quirks*/ DA_Q_NO_SYNC_CACHE 306 }, 307 { 308 /* 309 * Doesn't like the synchronize cache command. 310 */ 311 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"}, 312 /*quirks*/ DA_Q_NO_SYNC_CACHE 313 }, 314 { 315 /* 316 * Doesn't like the synchronize cache command. 317 * Reported by: walter@pelissero.de 318 */ 319 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"}, 320 /*quirks*/ DA_Q_NO_SYNC_CACHE 321 }, 322 { 323 /* 324 * Doesn't work correctly with 6 byte reads/writes. 325 * Returns illegal request, and points to byte 9 of the 326 * 6-byte CDB. 327 * Reported by: Adam McDougall <bsdx@spawnet.com> 328 */ 329 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"}, 330 /*quirks*/ DA_Q_NO_6_BYTE 331 }, 332 { 333 /* See above. */ 334 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"}, 335 /*quirks*/ DA_Q_NO_6_BYTE 336 }, 337 { 338 /* 339 * Doesn't like the synchronize cache command. 340 * Reported by: walter@pelissero.de 341 */ 342 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"}, 343 /*quirks*/ DA_Q_NO_SYNC_CACHE 344 }, 345 { 346 /* 347 * The CISS RAID controllers do not support SYNC_CACHE 348 */ 349 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"}, 350 /*quirks*/ DA_Q_NO_SYNC_CACHE 351 }, 352 /* USB mass storage devices supported by umass(4) */ 353 { 354 /* 355 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player 356 * PR: kern/51675 357 */ 358 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"}, 359 /*quirks*/ DA_Q_NO_SYNC_CACHE 360 }, 361 { 362 /* 363 * Power Quotient Int. (PQI) USB flash key 364 * PR: kern/53067 365 */ 366 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*", 367 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 368 }, 369 { 370 /* 371 * Creative Nomad MUVO mp3 player (USB) 372 * PR: kern/53094 373 */ 374 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"}, 375 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 376 }, 377 { 378 /* 379 * Jungsoft NEXDISK USB flash key 380 * PR: kern/54737 381 */ 382 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"}, 383 /*quirks*/ DA_Q_NO_SYNC_CACHE 384 }, 385 { 386 /* 387 * FreeDik USB Mini Data Drive 388 * PR: kern/54786 389 */ 390 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive", 391 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 392 }, 393 { 394 /* 395 * Sigmatel USB Flash MP3 Player 396 * PR: kern/57046 397 */ 398 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"}, 399 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 400 }, 401 { 402 /* 403 * Neuros USB Digital Audio Computer 404 * PR: kern/63645 405 */ 406 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.", 407 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 408 }, 409 { 410 /* 411 * SEAGRAND NP-900 MP3 Player 412 * PR: kern/64563 413 */ 414 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"}, 415 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 416 }, 417 { 418 /* 419 * iRiver iFP MP3 player (with UMS Firmware) 420 * PR: kern/54881, i386/63941, kern/66124 421 */ 422 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"}, 423 /*quirks*/ DA_Q_NO_SYNC_CACHE 424 }, 425 { 426 /* 427 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01 428 * PR: kern/70158 429 */ 430 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"}, 431 /*quirks*/ DA_Q_NO_SYNC_CACHE 432 }, 433 { 434 /* 435 * ZICPlay USB MP3 Player with FM 436 * PR: kern/75057 437 */ 438 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"}, 439 /*quirks*/ DA_Q_NO_SYNC_CACHE 440 }, 441 { 442 /* 443 * TEAC USB floppy mechanisms 444 */ 445 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"}, 446 /*quirks*/ DA_Q_NO_SYNC_CACHE 447 }, 448 { 449 /* 450 * Kingston DataTraveler II+ USB Pen-Drive. 451 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org> 452 */ 453 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+", 454 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 455 }, 456 { 457 /* 458 * USB DISK Pro PMAP 459 * Reported by: jhs 460 * PR: usb/96381 461 */ 462 {T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"}, 463 /*quirks*/ DA_Q_NO_SYNC_CACHE 464 }, 465 { 466 /* 467 * Motorola E398 Mobile Phone (TransFlash memory card). 468 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl> 469 * PR: usb/89889 470 */ 471 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone", 472 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 473 }, 474 { 475 /* 476 * Qware BeatZkey! Pro 477 * PR: usb/79164 478 */ 479 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE", 480 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 481 }, 482 { 483 /* 484 * Time DPA20B 1GB MP3 Player 485 * PR: usb/81846 486 */ 487 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*", 488 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 489 }, 490 { 491 /* 492 * Samsung USB key 128Mb 493 * PR: usb/90081 494 */ 495 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb", 496 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 497 }, 498 { 499 /* 500 * Kingston DataTraveler 2.0 USB Flash memory. 501 * PR: usb/89196 502 */ 503 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0", 504 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 505 }, 506 { 507 /* 508 * Creative MUVO Slim mp3 player (USB) 509 * PR: usb/86131 510 */ 511 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim", 512 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT 513 }, 514 { 515 /* 516 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3) 517 * PR: usb/80487 518 */ 519 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK", 520 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 521 }, 522 { 523 /* 524 * SanDisk Micro Cruzer 128MB 525 * PR: usb/75970 526 */ 527 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer", 528 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 529 }, 530 { 531 /* 532 * TOSHIBA TransMemory USB sticks 533 * PR: kern/94660 534 */ 535 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory", 536 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 537 }, 538 { 539 /* 540 * PNY USB Flash keys 541 * PR: usb/75578, usb/72344, usb/65436 542 */ 543 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*", 544 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 545 }, 546 { 547 /* 548 * Genesys 6-in-1 Card Reader 549 * PR: usb/94647 550 */ 551 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*", 552 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 553 }, 554 { 555 /* 556 * Rekam Digital CAMERA 557 * PR: usb/98713 558 */ 559 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*", 560 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 561 }, 562 { 563 /* 564 * iRiver H10 MP3 player 565 * PR: usb/102547 566 */ 567 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*", 568 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 569 }, 570 { 571 /* 572 * iRiver U10 MP3 player 573 * PR: usb/92306 574 */ 575 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*", 576 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 577 }, 578 { 579 /* 580 * X-Micro Flash Disk 581 * PR: usb/96901 582 */ 583 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk", 584 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 585 }, 586 { 587 /* 588 * EasyMP3 EM732X USB 2.0 Flash MP3 Player 589 * PR: usb/96546 590 */ 591 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*", 592 "1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 593 }, 594 { 595 /* 596 * Denver MP3 player 597 * PR: usb/107101 598 */ 599 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER", 600 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 601 }, 602 { 603 /* 604 * Philips USB Key Audio KEY013 605 * PR: usb/68412 606 */ 607 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"}, 608 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT 609 }, 610 { 611 /* 612 * JNC MP3 Player 613 * PR: usb/94439 614 */ 615 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*", 616 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 617 }, 618 { 619 /* 620 * SAMSUNG MP0402H 621 * PR: usb/108427 622 */ 623 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"}, 624 /*quirks*/ DA_Q_NO_SYNC_CACHE 625 }, 626 { 627 /* 628 * I/O Magic USB flash - Giga Bank 629 * PR: usb/108810 630 */ 631 {T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"}, 632 /*quirks*/ DA_Q_NO_SYNC_CACHE 633 }, 634 { 635 /* 636 * JoyFly 128mb USB Flash Drive 637 * PR: 96133 638 */ 639 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*", 640 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 641 }, 642 { 643 /* 644 * ChipsBnk usb stick 645 * PR: 103702 646 */ 647 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*", 648 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 649 }, 650 { 651 /* 652 * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A 653 * PR: 129858 654 */ 655 {T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*", 656 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 657 }, 658 { 659 /* 660 * Samsung YP-U3 mp3-player 661 * PR: 125398 662 */ 663 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3", 664 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 665 }, 666 { 667 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*", 668 "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 669 }, 670 { 671 /* 672 * Sony Cyber-Shot DSC cameras 673 * PR: usb/137035 674 */ 675 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"}, 676 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT 677 }, 678 { 679 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3", 680 "1.00"}, /*quirks*/ DA_Q_NO_PREVENT 681 }, 682 { 683 /* At least several Transcent USB sticks lie on RC16. */ 684 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JetFlash", "Transcend*", 685 "*"}, /*quirks*/ DA_Q_NO_RC16 686 }, 687 /* ATA/SATA devices over SAS/USB/... */ 688 { 689 /* Hitachi Advanced Format (4k) drives */ 690 { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" }, 691 /*quirks*/DA_Q_4K 692 }, 693 { 694 /* Samsung Advanced Format (4k) drives */ 695 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" }, 696 /*quirks*/DA_Q_4K 697 }, 698 { 699 /* Samsung Advanced Format (4k) drives */ 700 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" }, 701 /*quirks*/DA_Q_4K 702 }, 703 { 704 /* Samsung Advanced Format (4k) drives */ 705 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" }, 706 /*quirks*/DA_Q_4K 707 }, 708 { 709 /* Samsung Advanced Format (4k) drives */ 710 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" }, 711 /*quirks*/DA_Q_4K 712 }, 713 { 714 /* Seagate Barracuda Green Advanced Format (4k) drives */ 715 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" }, 716 /*quirks*/DA_Q_4K 717 }, 718 { 719 /* Seagate Barracuda Green Advanced Format (4k) drives */ 720 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" }, 721 /*quirks*/DA_Q_4K 722 }, 723 { 724 /* Seagate Barracuda Green Advanced Format (4k) drives */ 725 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" }, 726 /*quirks*/DA_Q_4K 727 }, 728 { 729 /* Seagate Barracuda Green Advanced Format (4k) drives */ 730 { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" }, 731 /*quirks*/DA_Q_4K 732 }, 733 { 734 /* Seagate Barracuda Green Advanced Format (4k) drives */ 735 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" }, 736 /*quirks*/DA_Q_4K 737 }, 738 { 739 /* Seagate Barracuda Green Advanced Format (4k) drives */ 740 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" }, 741 /*quirks*/DA_Q_4K 742 }, 743 { 744 /* Seagate Momentus Advanced Format (4k) drives */ 745 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" }, 746 /*quirks*/DA_Q_4K 747 }, 748 { 749 /* Seagate Momentus Advanced Format (4k) drives */ 750 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" }, 751 /*quirks*/DA_Q_4K 752 }, 753 { 754 /* Seagate Momentus Advanced Format (4k) drives */ 755 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" }, 756 /*quirks*/DA_Q_4K 757 }, 758 { 759 /* Seagate Momentus Advanced Format (4k) drives */ 760 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" }, 761 /*quirks*/DA_Q_4K 762 }, 763 { 764 /* Seagate Momentus Advanced Format (4k) drives */ 765 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" }, 766 /*quirks*/DA_Q_4K 767 }, 768 { 769 /* Seagate Momentus Advanced Format (4k) drives */ 770 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" }, 771 /*quirks*/DA_Q_4K 772 }, 773 { 774 /* Seagate Momentus Advanced Format (4k) drives */ 775 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" }, 776 /*quirks*/DA_Q_4K 777 }, 778 { 779 /* Seagate Momentus Advanced Format (4k) drives */ 780 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" }, 781 /*quirks*/DA_Q_4K 782 }, 783 { 784 /* Seagate Momentus Advanced Format (4k) drives */ 785 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" }, 786 /*quirks*/DA_Q_4K 787 }, 788 { 789 /* Seagate Momentus Advanced Format (4k) drives */ 790 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" }, 791 /*quirks*/DA_Q_4K 792 }, 793 { 794 /* Seagate Momentus Advanced Format (4k) drives */ 795 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" }, 796 /*quirks*/DA_Q_4K 797 }, 798 { 799 /* Seagate Momentus Advanced Format (4k) drives */ 800 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" }, 801 /*quirks*/DA_Q_4K 802 }, 803 { 804 /* Seagate Momentus Advanced Format (4k) drives */ 805 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" }, 806 /*quirks*/DA_Q_4K 807 }, 808 { 809 /* Seagate Momentus Advanced Format (4k) drives */ 810 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" }, 811 /*quirks*/DA_Q_4K 812 }, 813 { 814 /* Seagate Momentus Thin Advanced Format (4k) drives */ 815 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" }, 816 /*quirks*/DA_Q_4K 817 }, 818 { 819 /* Seagate Momentus Thin Advanced Format (4k) drives */ 820 { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" }, 821 /*quirks*/DA_Q_4K 822 }, 823 { 824 /* WDC Caviar Green Advanced Format (4k) drives */ 825 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" }, 826 /*quirks*/DA_Q_4K 827 }, 828 { 829 /* WDC Caviar Green Advanced Format (4k) drives */ 830 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" }, 831 /*quirks*/DA_Q_4K 832 }, 833 { 834 /* WDC Caviar Green Advanced Format (4k) drives */ 835 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" }, 836 /*quirks*/DA_Q_4K 837 }, 838 { 839 /* WDC Caviar Green Advanced Format (4k) drives */ 840 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" }, 841 /*quirks*/DA_Q_4K 842 }, 843 { 844 /* WDC Caviar Green Advanced Format (4k) drives */ 845 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" }, 846 /*quirks*/DA_Q_4K 847 }, 848 { 849 /* WDC Caviar Green Advanced Format (4k) drives */ 850 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" }, 851 /*quirks*/DA_Q_4K 852 }, 853 { 854 /* WDC Caviar Green Advanced Format (4k) drives */ 855 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" }, 856 /*quirks*/DA_Q_4K 857 }, 858 { 859 /* WDC Caviar Green Advanced Format (4k) drives */ 860 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" }, 861 /*quirks*/DA_Q_4K 862 }, 863 { 864 /* WDC Scorpio Black Advanced Format (4k) drives */ 865 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" }, 866 /*quirks*/DA_Q_4K 867 }, 868 { 869 /* WDC Scorpio Black Advanced Format (4k) drives */ 870 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" }, 871 /*quirks*/DA_Q_4K 872 }, 873 { 874 /* WDC Scorpio Black Advanced Format (4k) drives */ 875 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" }, 876 /*quirks*/DA_Q_4K 877 }, 878 { 879 /* WDC Scorpio Black Advanced Format (4k) drives */ 880 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" }, 881 /*quirks*/DA_Q_4K 882 }, 883 { 884 /* WDC Scorpio Blue Advanced Format (4k) drives */ 885 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" }, 886 /*quirks*/DA_Q_4K 887 }, 888 { 889 /* WDC Scorpio Blue Advanced Format (4k) drives */ 890 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" }, 891 /*quirks*/DA_Q_4K 892 }, 893 { 894 /* WDC Scorpio Blue Advanced Format (4k) drives */ 895 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" }, 896 /*quirks*/DA_Q_4K 897 }, 898 { 899 /* WDC Scorpio Blue Advanced Format (4k) drives */ 900 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" }, 901 /*quirks*/DA_Q_4K 902 }, 903 { 904 /* 905 * Olympus FE-210 camera 906 */ 907 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*", 908 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 909 }, 910 { 911 /* 912 * LG UP3S MP3 player 913 */ 914 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S", 915 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 916 }, 917 { 918 /* 919 * Laser MP3-2GA13 MP3 player 920 */ 921 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk", 922 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE 923 }, 924 { 925 /* 926 * LaCie external 250GB Hard drive des by Porsche 927 * Submitted by: Ben Stuyts <ben@altesco.nl> 928 * PR: 121474 929 */ 930 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"}, 931 /*quirks*/ DA_Q_NO_SYNC_CACHE 932 }, 933 /* SATA SSDs */ 934 { 935 /* 936 * Corsair Force 2 SSDs 937 * 4k optimised & trim only works in 4k requests + 4k aligned 938 */ 939 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair CSSD-F*", "*" }, 940 /*quirks*/DA_Q_4K 941 }, 942 { 943 /* 944 * Corsair Force 3 SSDs 945 * 4k optimised & trim only works in 4k requests + 4k aligned 946 */ 947 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force 3*", "*" }, 948 /*quirks*/DA_Q_4K 949 }, 950 { 951 /* 952 * Corsair Neutron GTX SSDs 953 * 4k optimised & trim only works in 4k requests + 4k aligned 954 */ 955 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" }, 956 /*quirks*/DA_Q_4K 957 }, 958 { 959 /* 960 * Corsair Force GT SSDs 961 * 4k optimised & trim only works in 4k requests + 4k aligned 962 */ 963 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force GT*", "*" }, 964 /*quirks*/DA_Q_4K 965 }, 966 { 967 /* 968 * Crucial M4 SSDs 969 * 4k optimised & trim only works in 4k requests + 4k aligned 970 */ 971 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "M4-CT???M4SSD2*", "*" }, 972 /*quirks*/DA_Q_4K 973 }, 974 { 975 /* 976 * Crucial RealSSD C300 SSDs 977 * 4k optimised 978 */ 979 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "C300-CTFDDAC???MAG*", 980 "*" }, /*quirks*/DA_Q_4K 981 }, 982 { 983 /* 984 * Intel 320 Series SSDs 985 * 4k optimised & trim only works in 4k requests + 4k aligned 986 */ 987 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2CW*", "*" }, 988 /*quirks*/DA_Q_4K 989 }, 990 { 991 /* 992 * Intel 330 Series SSDs 993 * 4k optimised & trim only works in 4k requests + 4k aligned 994 */ 995 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2CT*", "*" }, 996 /*quirks*/DA_Q_4K 997 }, 998 { 999 /* 1000 * Intel 510 Series SSDs 1001 * 4k optimised & trim only works in 4k requests + 4k aligned 1002 */ 1003 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2MH*", "*" }, 1004 /*quirks*/DA_Q_4K 1005 }, 1006 { 1007 /* 1008 * Intel 520 Series SSDs 1009 * 4k optimised & trim only works in 4k requests + 4k aligned 1010 */ 1011 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BW*", "*" }, 1012 /*quirks*/DA_Q_4K 1013 }, 1014 { 1015 /* 1016 * Intel X25-M Series SSDs 1017 * 4k optimised & trim only works in 4k requests + 4k aligned 1018 */ 1019 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2M*", "*" }, 1020 /*quirks*/DA_Q_4K 1021 }, 1022 { 1023 /* 1024 * Kingston E100 Series SSDs 1025 * 4k optimised & trim only works in 4k requests + 4k aligned 1026 */ 1027 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SE100S3*", "*" }, 1028 /*quirks*/DA_Q_4K 1029 }, 1030 { 1031 /* 1032 * Kingston HyperX 3k SSDs 1033 * 4k optimised & trim only works in 4k requests + 4k aligned 1034 */ 1035 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SH103S3*", "*" }, 1036 /*quirks*/DA_Q_4K 1037 }, 1038 { 1039 /* 1040 * Marvell SSDs (entry taken from OpenSolaris) 1041 * 4k optimised & trim only works in 4k requests + 4k aligned 1042 */ 1043 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MARVELL SD88SA02*", "*" }, 1044 /*quirks*/DA_Q_4K 1045 }, 1046 { 1047 /* 1048 * OCZ Agility 2 SSDs 1049 * 4k optimised & trim only works in 4k requests + 4k aligned 1050 */ 1051 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" }, 1052 /*quirks*/DA_Q_4K 1053 }, 1054 { 1055 /* 1056 * OCZ Agility 3 SSDs 1057 * 4k optimised & trim only works in 4k requests + 4k aligned 1058 */ 1059 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-AGILITY3*", "*" }, 1060 /*quirks*/DA_Q_4K 1061 }, 1062 { 1063 /* 1064 * OCZ Deneva R Series SSDs 1065 * 4k optimised & trim only works in 4k requests + 4k aligned 1066 */ 1067 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "DENRSTE251M45*", "*" }, 1068 /*quirks*/DA_Q_4K 1069 }, 1070 { 1071 /* 1072 * OCZ Vertex 2 SSDs (inc pro series) 1073 * 4k optimised & trim only works in 4k requests + 4k aligned 1074 */ 1075 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ?VERTEX2*", "*" }, 1076 /*quirks*/DA_Q_4K 1077 }, 1078 { 1079 /* 1080 * OCZ Vertex 3 SSDs 1081 * 4k optimised & trim only works in 4k requests + 4k aligned 1082 */ 1083 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX3*", "*" }, 1084 /*quirks*/DA_Q_4K 1085 }, 1086 { 1087 /* 1088 * OCZ Vertex 4 SSDs 1089 * 4k optimised & trim only works in 4k requests + 4k aligned 1090 */ 1091 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX4*", "*" }, 1092 /*quirks*/DA_Q_4K 1093 }, 1094 { 1095 /* 1096 * Samsung 830 Series SSDs 1097 * 4k optimised & trim only works in 4k requests + 4k aligned 1098 */ 1099 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG SSD 830 Series*", "*" }, 1100 /*quirks*/DA_Q_4K 1101 }, 1102 { 1103 /* 1104 * SuperTalent TeraDrive CT SSDs 1105 * 4k optimised & trim only works in 4k requests + 4k aligned 1106 */ 1107 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" }, 1108 /*quirks*/DA_Q_4K 1109 }, 1110 { 1111 /* 1112 * XceedIOPS SATA SSDs 1113 * 4k optimised 1114 */ 1115 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" }, 1116 /*quirks*/DA_Q_4K 1117 }, 1118 }; 1119 1120 static disk_strategy_t dastrategy; 1121 static dumper_t dadump; 1122 static periph_init_t dainit; 1123 static void daasync(void *callback_arg, u_int32_t code, 1124 struct cam_path *path, void *arg); 1125 static void dasysctlinit(void *context, int pending); 1126 static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS); 1127 static int dadeletemethodsysctl(SYSCTL_HANDLER_ARGS); 1128 static int dadeletemaxsysctl(SYSCTL_HANDLER_ARGS); 1129 static void dadeletemethodset(struct da_softc *softc, 1130 da_delete_methods delete_method); 1131 static off_t dadeletemaxsize(struct da_softc *softc, 1132 da_delete_methods delete_method); 1133 static void dadeletemethodchoose(struct da_softc *softc, 1134 da_delete_methods default_method); 1135 static void daprobedone(struct cam_periph *periph, union ccb *ccb); 1136 1137 static periph_ctor_t daregister; 1138 static periph_dtor_t dacleanup; 1139 static periph_start_t dastart; 1140 static periph_oninv_t daoninvalidate; 1141 static void dadone(struct cam_periph *periph, 1142 union ccb *done_ccb); 1143 static int daerror(union ccb *ccb, u_int32_t cam_flags, 1144 u_int32_t sense_flags); 1145 static void daprevent(struct cam_periph *periph, int action); 1146 static void dareprobe(struct cam_periph *periph); 1147 static void dasetgeom(struct cam_periph *periph, uint32_t block_len, 1148 uint64_t maxsector, 1149 struct scsi_read_capacity_data_long *rcaplong, 1150 size_t rcap_size); 1151 static timeout_t dasendorderedtag; 1152 static void dashutdown(void *arg, int howto); 1153 static timeout_t damediapoll; 1154 1155 #ifndef DA_DEFAULT_POLL_PERIOD 1156 #define DA_DEFAULT_POLL_PERIOD 3 1157 #endif 1158 1159 #ifndef DA_DEFAULT_TIMEOUT 1160 #define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */ 1161 #endif 1162 1163 #ifndef DA_DEFAULT_RETRY 1164 #define DA_DEFAULT_RETRY 4 1165 #endif 1166 1167 #ifndef DA_DEFAULT_SEND_ORDERED 1168 #define DA_DEFAULT_SEND_ORDERED 1 1169 #endif 1170 1171 #define DA_SIO (softc->sort_io_queue >= 0 ? \ 1172 softc->sort_io_queue : cam_sort_io_queues) 1173 1174 static int da_poll_period = DA_DEFAULT_POLL_PERIOD; 1175 static int da_retry_count = DA_DEFAULT_RETRY; 1176 static int da_default_timeout = DA_DEFAULT_TIMEOUT; 1177 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED; 1178 1179 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0, 1180 "CAM Direct Access Disk driver"); 1181 SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RW, 1182 &da_poll_period, 0, "Media polling period in seconds"); 1183 TUNABLE_INT("kern.cam.da.poll_period", &da_poll_period); 1184 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW, 1185 &da_retry_count, 0, "Normal I/O retry count"); 1186 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count); 1187 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW, 1188 &da_default_timeout, 0, "Normal I/O timeout (in seconds)"); 1189 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout); 1190 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RW, 1191 &da_send_ordered, 0, "Send Ordered Tags"); 1192 TUNABLE_INT("kern.cam.da.send_ordered", &da_send_ordered); 1193 1194 /* 1195 * DA_ORDEREDTAG_INTERVAL determines how often, relative 1196 * to the default timeout, we check to see whether an ordered 1197 * tagged transaction is appropriate to prevent simple tag 1198 * starvation. Since we'd like to ensure that there is at least 1199 * 1/2 of the timeout length left for a starved transaction to 1200 * complete after we've sent an ordered tag, we must poll at least 1201 * four times in every timeout period. This takes care of the worst 1202 * case where a starved transaction starts during an interval that 1203 * meets the requirement "don't send an ordered tag" test so it takes 1204 * us two intervals to determine that a tag must be sent. 1205 */ 1206 #ifndef DA_ORDEREDTAG_INTERVAL 1207 #define DA_ORDEREDTAG_INTERVAL 4 1208 #endif 1209 1210 static struct periph_driver dadriver = 1211 { 1212 dainit, "da", 1213 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0 1214 }; 1215 1216 PERIPHDRIVER_DECLARE(da, dadriver); 1217 1218 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers"); 1219 1220 static int 1221 daopen(struct disk *dp) 1222 { 1223 struct cam_periph *periph; 1224 struct da_softc *softc; 1225 int error; 1226 1227 periph = (struct cam_periph *)dp->d_drv1; 1228 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 1229 return (ENXIO); 1230 } 1231 1232 cam_periph_lock(periph); 1233 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) { 1234 cam_periph_unlock(periph); 1235 cam_periph_release(periph); 1236 return (error); 1237 } 1238 1239 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 1240 ("daopen\n")); 1241 1242 softc = (struct da_softc *)periph->softc; 1243 dareprobe(periph); 1244 1245 /* Wait for the disk size update. */ 1246 error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO, 1247 "dareprobe", 0); 1248 if (error != 0) 1249 xpt_print(periph->path, "unable to retrieve capacity data\n"); 1250 1251 if (periph->flags & CAM_PERIPH_INVALID) 1252 error = ENXIO; 1253 1254 if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 1255 (softc->quirks & DA_Q_NO_PREVENT) == 0) 1256 daprevent(periph, PR_PREVENT); 1257 1258 if (error == 0) { 1259 softc->flags &= ~DA_FLAG_PACK_INVALID; 1260 softc->flags |= DA_FLAG_OPEN; 1261 } 1262 1263 cam_periph_unhold(periph); 1264 cam_periph_unlock(periph); 1265 1266 if (error != 0) 1267 cam_periph_release(periph); 1268 1269 return (error); 1270 } 1271 1272 static int 1273 daclose(struct disk *dp) 1274 { 1275 struct cam_periph *periph; 1276 struct da_softc *softc; 1277 union ccb *ccb; 1278 int error; 1279 1280 periph = (struct cam_periph *)dp->d_drv1; 1281 softc = (struct da_softc *)periph->softc; 1282 cam_periph_lock(periph); 1283 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH, 1284 ("daclose\n")); 1285 1286 if (cam_periph_hold(periph, PRIBIO) == 0) { 1287 1288 /* Flush disk cache. */ 1289 if ((softc->flags & DA_FLAG_DIRTY) != 0 && 1290 (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 && 1291 (softc->flags & DA_FLAG_PACK_INVALID) == 0) { 1292 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 1293 scsi_synchronize_cache(&ccb->csio, /*retries*/1, 1294 /*cbfcnp*/dadone, MSG_SIMPLE_Q_TAG, 1295 /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE, 1296 5 * 60 * 1000); 1297 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0, 1298 /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR, 1299 softc->disk->d_devstat); 1300 if (error == 0) 1301 softc->flags &= ~DA_FLAG_DIRTY; 1302 xpt_release_ccb(ccb); 1303 } 1304 1305 /* Allow medium removal. */ 1306 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 && 1307 (softc->quirks & DA_Q_NO_PREVENT) == 0) 1308 daprevent(periph, PR_ALLOW); 1309 1310 cam_periph_unhold(periph); 1311 } 1312 1313 /* 1314 * If we've got removeable media, mark the blocksize as 1315 * unavailable, since it could change when new media is 1316 * inserted. 1317 */ 1318 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) 1319 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE; 1320 1321 softc->flags &= ~DA_FLAG_OPEN; 1322 while (softc->refcount != 0) 1323 cam_periph_sleep(periph, &softc->refcount, PRIBIO, "daclose", 1); 1324 cam_periph_unlock(periph); 1325 cam_periph_release(periph); 1326 return (0); 1327 } 1328 1329 static void 1330 daschedule(struct cam_periph *periph) 1331 { 1332 struct da_softc *softc = (struct da_softc *)periph->softc; 1333 1334 if (softc->state != DA_STATE_NORMAL) 1335 return; 1336 1337 /* Check if we have more work to do. */ 1338 if (bioq_first(&softc->bio_queue) || 1339 (!softc->delete_running && bioq_first(&softc->delete_queue)) || 1340 softc->tur) { 1341 xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1342 } 1343 } 1344 1345 /* 1346 * Actually translate the requested transfer into one the physical driver 1347 * can understand. The transfer is described by a buf and will include 1348 * only one physical transfer. 1349 */ 1350 static void 1351 dastrategy(struct bio *bp) 1352 { 1353 struct cam_periph *periph; 1354 struct da_softc *softc; 1355 1356 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1357 softc = (struct da_softc *)periph->softc; 1358 1359 cam_periph_lock(periph); 1360 1361 /* 1362 * If the device has been made invalid, error out 1363 */ 1364 if ((softc->flags & DA_FLAG_PACK_INVALID)) { 1365 cam_periph_unlock(periph); 1366 biofinish(bp, NULL, ENXIO); 1367 return; 1368 } 1369 1370 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp)); 1371 1372 /* 1373 * Place it in the queue of disk activities for this disk 1374 */ 1375 if (bp->bio_cmd == BIO_DELETE) { 1376 if (DA_SIO) 1377 bioq_disksort(&softc->delete_queue, bp); 1378 else 1379 bioq_insert_tail(&softc->delete_queue, bp); 1380 } else if (DA_SIO) { 1381 bioq_disksort(&softc->bio_queue, bp); 1382 } else { 1383 bioq_insert_tail(&softc->bio_queue, bp); 1384 } 1385 1386 /* 1387 * Schedule ourselves for performing the work. 1388 */ 1389 daschedule(periph); 1390 cam_periph_unlock(periph); 1391 1392 return; 1393 } 1394 1395 static int 1396 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 1397 { 1398 struct cam_periph *periph; 1399 struct da_softc *softc; 1400 u_int secsize; 1401 struct ccb_scsiio csio; 1402 struct disk *dp; 1403 int error = 0; 1404 1405 dp = arg; 1406 periph = dp->d_drv1; 1407 softc = (struct da_softc *)periph->softc; 1408 cam_periph_lock(periph); 1409 secsize = softc->params.secsize; 1410 1411 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) { 1412 cam_periph_unlock(periph); 1413 return (ENXIO); 1414 } 1415 1416 if (length > 0) { 1417 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1418 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1419 scsi_read_write(&csio, 1420 /*retries*/0, 1421 dadone, 1422 MSG_ORDERED_Q_TAG, 1423 /*read*/SCSI_RW_WRITE, 1424 /*byte2*/0, 1425 /*minimum_cmd_size*/ softc->minimum_cmd_size, 1426 offset / secsize, 1427 length / secsize, 1428 /*data_ptr*/(u_int8_t *) virtual, 1429 /*dxfer_len*/length, 1430 /*sense_len*/SSD_FULL_SIZE, 1431 da_default_timeout * 1000); 1432 xpt_polled_action((union ccb *)&csio); 1433 1434 error = cam_periph_error((union ccb *)&csio, 1435 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL); 1436 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0) 1437 cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0, 1438 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 1439 if (error != 0) 1440 printf("Aborting dump due to I/O error.\n"); 1441 cam_periph_unlock(periph); 1442 return (error); 1443 } 1444 1445 /* 1446 * Sync the disk cache contents to the physical media. 1447 */ 1448 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 1449 1450 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1451 csio.ccb_h.ccb_state = DA_CCB_DUMP; 1452 scsi_synchronize_cache(&csio, 1453 /*retries*/0, 1454 /*cbfcnp*/dadone, 1455 MSG_SIMPLE_Q_TAG, 1456 /*begin_lba*/0,/* Cover the whole disk */ 1457 /*lb_count*/0, 1458 SSD_FULL_SIZE, 1459 5 * 60 * 1000); 1460 xpt_polled_action((union ccb *)&csio); 1461 1462 error = cam_periph_error((union ccb *)&csio, 1463 0, SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, NULL); 1464 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0) 1465 cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0, 1466 /*reduction*/0, /*timeout*/0, /*getcount_only*/0); 1467 if (error != 0) 1468 xpt_print(periph->path, "Synchronize cache failed\n"); 1469 } 1470 cam_periph_unlock(periph); 1471 return (error); 1472 } 1473 1474 static int 1475 dagetattr(struct bio *bp) 1476 { 1477 int ret; 1478 struct cam_periph *periph; 1479 1480 periph = (struct cam_periph *)bp->bio_disk->d_drv1; 1481 cam_periph_lock(periph); 1482 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute, 1483 periph->path); 1484 cam_periph_unlock(periph); 1485 if (ret == 0) 1486 bp->bio_completed = bp->bio_length; 1487 return ret; 1488 } 1489 1490 static void 1491 dainit(void) 1492 { 1493 cam_status status; 1494 1495 /* 1496 * Install a global async callback. This callback will 1497 * receive async callbacks like "new device found". 1498 */ 1499 status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL); 1500 1501 if (status != CAM_REQ_CMP) { 1502 printf("da: Failed to attach master async callback " 1503 "due to status 0x%x!\n", status); 1504 } else if (da_send_ordered) { 1505 1506 /* Register our shutdown event handler */ 1507 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown, 1508 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL) 1509 printf("dainit: shutdown event registration failed!\n"); 1510 } 1511 } 1512 1513 /* 1514 * Callback from GEOM, called when it has finished cleaning up its 1515 * resources. 1516 */ 1517 static void 1518 dadiskgonecb(struct disk *dp) 1519 { 1520 struct cam_periph *periph; 1521 1522 periph = (struct cam_periph *)dp->d_drv1; 1523 cam_periph_release(periph); 1524 } 1525 1526 static void 1527 daoninvalidate(struct cam_periph *periph) 1528 { 1529 struct da_softc *softc; 1530 1531 softc = (struct da_softc *)periph->softc; 1532 1533 /* 1534 * De-register any async callbacks. 1535 */ 1536 xpt_register_async(0, daasync, periph, periph->path); 1537 1538 softc->flags |= DA_FLAG_PACK_INVALID; 1539 1540 /* 1541 * Return all queued I/O with ENXIO. 1542 * XXX Handle any transactions queued to the card 1543 * with XPT_ABORT_CCB. 1544 */ 1545 bioq_flush(&softc->bio_queue, NULL, ENXIO); 1546 bioq_flush(&softc->delete_queue, NULL, ENXIO); 1547 1548 /* 1549 * Tell GEOM that we've gone away, we'll get a callback when it is 1550 * done cleaning up its resources. 1551 */ 1552 disk_gone(softc->disk); 1553 } 1554 1555 static void 1556 dacleanup(struct cam_periph *periph) 1557 { 1558 struct da_softc *softc; 1559 1560 softc = (struct da_softc *)periph->softc; 1561 1562 cam_periph_unlock(periph); 1563 1564 /* 1565 * If we can't free the sysctl tree, oh well... 1566 */ 1567 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0 1568 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 1569 xpt_print(periph->path, "can't remove sysctl context\n"); 1570 } 1571 1572 callout_drain(&softc->mediapoll_c); 1573 disk_destroy(softc->disk); 1574 callout_drain(&softc->sendordered_c); 1575 free(softc, M_DEVBUF); 1576 cam_periph_lock(periph); 1577 } 1578 1579 static void 1580 daasync(void *callback_arg, u_int32_t code, 1581 struct cam_path *path, void *arg) 1582 { 1583 struct cam_periph *periph; 1584 struct da_softc *softc; 1585 1586 periph = (struct cam_periph *)callback_arg; 1587 switch (code) { 1588 case AC_FOUND_DEVICE: 1589 { 1590 struct ccb_getdev *cgd; 1591 cam_status status; 1592 1593 cgd = (struct ccb_getdev *)arg; 1594 if (cgd == NULL) 1595 break; 1596 1597 if (cgd->protocol != PROTO_SCSI) 1598 break; 1599 1600 if (SID_TYPE(&cgd->inq_data) != T_DIRECT 1601 && SID_TYPE(&cgd->inq_data) != T_RBC 1602 && SID_TYPE(&cgd->inq_data) != T_OPTICAL) 1603 break; 1604 1605 /* 1606 * Allocate a peripheral instance for 1607 * this device and start the probe 1608 * process. 1609 */ 1610 status = cam_periph_alloc(daregister, daoninvalidate, 1611 dacleanup, dastart, 1612 "da", CAM_PERIPH_BIO, 1613 path, daasync, 1614 AC_FOUND_DEVICE, cgd); 1615 1616 if (status != CAM_REQ_CMP 1617 && status != CAM_REQ_INPROG) 1618 printf("daasync: Unable to attach to new device " 1619 "due to status 0x%x\n", status); 1620 return; 1621 } 1622 case AC_ADVINFO_CHANGED: 1623 { 1624 uintptr_t buftype; 1625 1626 buftype = (uintptr_t)arg; 1627 if (buftype == CDAI_TYPE_PHYS_PATH) { 1628 struct da_softc *softc; 1629 1630 softc = periph->softc; 1631 disk_attr_changed(softc->disk, "GEOM::physpath", 1632 M_NOWAIT); 1633 } 1634 break; 1635 } 1636 case AC_UNIT_ATTENTION: 1637 { 1638 union ccb *ccb; 1639 int error_code, sense_key, asc, ascq; 1640 1641 softc = (struct da_softc *)periph->softc; 1642 ccb = (union ccb *)arg; 1643 1644 /* 1645 * Handle all UNIT ATTENTIONs except our own, 1646 * as they will be handled by daerror(). 1647 */ 1648 if (xpt_path_periph(ccb->ccb_h.path) != periph && 1649 scsi_extract_sense_ccb(ccb, 1650 &error_code, &sense_key, &asc, &ascq)) { 1651 if (asc == 0x2A && ascq == 0x09) { 1652 xpt_print(ccb->ccb_h.path, 1653 "capacity data has changed\n"); 1654 dareprobe(periph); 1655 } else if (asc == 0x28 && ascq == 0x00) 1656 disk_media_changed(softc->disk, M_NOWAIT); 1657 } 1658 cam_periph_async(periph, code, path, arg); 1659 break; 1660 } 1661 case AC_SCSI_AEN: 1662 softc = (struct da_softc *)periph->softc; 1663 if (!softc->tur) { 1664 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 1665 softc->tur = 1; 1666 daschedule(periph); 1667 } 1668 } 1669 /* FALLTHROUGH */ 1670 case AC_SENT_BDR: 1671 case AC_BUS_RESET: 1672 { 1673 struct ccb_hdr *ccbh; 1674 1675 softc = (struct da_softc *)periph->softc; 1676 /* 1677 * Don't fail on the expected unit attention 1678 * that will occur. 1679 */ 1680 softc->flags |= DA_FLAG_RETRY_UA; 1681 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le) 1682 ccbh->ccb_state |= DA_CCB_RETRY_UA; 1683 break; 1684 } 1685 default: 1686 break; 1687 } 1688 cam_periph_async(periph, code, path, arg); 1689 } 1690 1691 static void 1692 dasysctlinit(void *context, int pending) 1693 { 1694 struct cam_periph *periph; 1695 struct da_softc *softc; 1696 char tmpstr[80], tmpstr2[80]; 1697 struct ccb_trans_settings cts; 1698 1699 periph = (struct cam_periph *)context; 1700 /* 1701 * periph was held for us when this task was enqueued 1702 */ 1703 if (periph->flags & CAM_PERIPH_INVALID) { 1704 cam_periph_release(periph); 1705 return; 1706 } 1707 1708 softc = (struct da_softc *)periph->softc; 1709 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number); 1710 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 1711 1712 sysctl_ctx_init(&softc->sysctl_ctx); 1713 softc->flags |= DA_FLAG_SCTX_INIT; 1714 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 1715 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2, 1716 CTLFLAG_RD, 0, tmpstr); 1717 if (softc->sysctl_tree == NULL) { 1718 printf("dasysctlinit: unable to allocate sysctl tree\n"); 1719 cam_periph_release(periph); 1720 return; 1721 } 1722 1723 /* 1724 * Now register the sysctl handler, so the user can change the value on 1725 * the fly. 1726 */ 1727 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1728 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RW, 1729 softc, 0, dadeletemethodsysctl, "A", 1730 "BIO_DELETE execution method"); 1731 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1732 OID_AUTO, "delete_max", CTLTYPE_U64 | CTLFLAG_RW, 1733 softc, 0, dadeletemaxsysctl, "Q", 1734 "Maximum BIO_DELETE size"); 1735 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1736 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW, 1737 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I", 1738 "Minimum CDB size"); 1739 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree), 1740 OID_AUTO, "sort_io_queue", CTLFLAG_RW, &softc->sort_io_queue, 0, 1741 "Sort IO queue to try and optimise disk access patterns"); 1742 1743 SYSCTL_ADD_INT(&softc->sysctl_ctx, 1744 SYSCTL_CHILDREN(softc->sysctl_tree), 1745 OID_AUTO, 1746 "error_inject", 1747 CTLFLAG_RW, 1748 &softc->error_inject, 1749 0, 1750 "error_inject leaf"); 1751 1752 1753 /* 1754 * Add some addressing info. 1755 */ 1756 memset(&cts, 0, sizeof (cts)); 1757 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 1758 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1759 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1760 cam_periph_lock(periph); 1761 xpt_action((union ccb *)&cts); 1762 cam_periph_unlock(periph); 1763 if (cts.ccb_h.status != CAM_REQ_CMP) { 1764 cam_periph_release(periph); 1765 return; 1766 } 1767 if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) { 1768 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc; 1769 if (fc->valid & CTS_FC_VALID_WWPN) { 1770 softc->wwpn = fc->wwpn; 1771 SYSCTL_ADD_UQUAD(&softc->sysctl_ctx, 1772 SYSCTL_CHILDREN(softc->sysctl_tree), 1773 OID_AUTO, "wwpn", CTLFLAG_RD, 1774 &softc->wwpn, "World Wide Port Name"); 1775 } 1776 } 1777 cam_periph_release(periph); 1778 } 1779 1780 static int 1781 dadeletemaxsysctl(SYSCTL_HANDLER_ARGS) 1782 { 1783 int error; 1784 uint64_t value; 1785 struct da_softc *softc; 1786 1787 softc = (struct da_softc *)arg1; 1788 1789 value = softc->disk->d_delmaxsize; 1790 error = sysctl_handle_64(oidp, &value, 0, req); 1791 if ((error != 0) || (req->newptr == NULL)) 1792 return (error); 1793 1794 /* only accept values smaller than the calculated value */ 1795 if (value > dadeletemaxsize(softc, softc->delete_method)) { 1796 return (EINVAL); 1797 } 1798 softc->disk->d_delmaxsize = value; 1799 1800 return (0); 1801 } 1802 1803 static int 1804 dacmdsizesysctl(SYSCTL_HANDLER_ARGS) 1805 { 1806 int error, value; 1807 1808 value = *(int *)arg1; 1809 1810 error = sysctl_handle_int(oidp, &value, 0, req); 1811 1812 if ((error != 0) 1813 || (req->newptr == NULL)) 1814 return (error); 1815 1816 /* 1817 * Acceptable values here are 6, 10, 12 or 16. 1818 */ 1819 if (value < 6) 1820 value = 6; 1821 else if ((value > 6) 1822 && (value <= 10)) 1823 value = 10; 1824 else if ((value > 10) 1825 && (value <= 12)) 1826 value = 12; 1827 else if (value > 12) 1828 value = 16; 1829 1830 *(int *)arg1 = value; 1831 1832 return (0); 1833 } 1834 1835 static void 1836 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method) 1837 { 1838 1839 1840 softc->delete_method = delete_method; 1841 softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method); 1842 softc->delete_func = da_delete_functions[delete_method]; 1843 1844 if (softc->delete_method > DA_DELETE_DISABLE) 1845 softc->disk->d_flags |= DISKFLAG_CANDELETE; 1846 else 1847 softc->disk->d_flags &= ~DISKFLAG_CANDELETE; 1848 } 1849 1850 static off_t 1851 dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method) 1852 { 1853 off_t sectors; 1854 1855 switch(delete_method) { 1856 case DA_DELETE_UNMAP: 1857 sectors = (off_t)softc->unmap_max_lba * softc->unmap_max_ranges; 1858 break; 1859 case DA_DELETE_ATA_TRIM: 1860 sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges; 1861 break; 1862 case DA_DELETE_WS16: 1863 sectors = (off_t)min(softc->ws_max_blks, WS16_MAX_BLKS); 1864 break; 1865 case DA_DELETE_ZERO: 1866 case DA_DELETE_WS10: 1867 sectors = (off_t)min(softc->ws_max_blks, WS10_MAX_BLKS); 1868 break; 1869 default: 1870 return 0; 1871 } 1872 1873 return (off_t)softc->params.secsize * 1874 min(sectors, (off_t)softc->params.sectors); 1875 } 1876 1877 static void 1878 daprobedone(struct cam_periph *periph, union ccb *ccb) 1879 { 1880 struct da_softc *softc; 1881 1882 softc = (struct da_softc *)periph->softc; 1883 1884 dadeletemethodchoose(softc, DA_DELETE_NONE); 1885 1886 if (bootverbose && (softc->flags & DA_FLAG_PROBED) == 0) { 1887 char buf[80]; 1888 int i, sep; 1889 1890 snprintf(buf, sizeof(buf), "Delete methods: <"); 1891 sep = 0; 1892 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) { 1893 if (softc->delete_available & (1 << i)) { 1894 if (sep) { 1895 strlcat(buf, ",", sizeof(buf)); 1896 } else { 1897 sep = 1; 1898 } 1899 strlcat(buf, da_delete_method_names[i], 1900 sizeof(buf)); 1901 if (i == softc->delete_method) { 1902 strlcat(buf, "(*)", sizeof(buf)); 1903 } 1904 } 1905 } 1906 if (sep == 0) { 1907 if (softc->delete_method == DA_DELETE_NONE) 1908 strlcat(buf, "NONE(*)", sizeof(buf)); 1909 else 1910 strlcat(buf, "DISABLED(*)", sizeof(buf)); 1911 } 1912 strlcat(buf, ">", sizeof(buf)); 1913 printf("%s%d: %s\n", periph->periph_name, 1914 periph->unit_number, buf); 1915 } 1916 1917 /* 1918 * Since our peripheral may be invalidated by an error 1919 * above or an external event, we must release our CCB 1920 * before releasing the probe lock on the peripheral. 1921 * The peripheral will only go away once the last lock 1922 * is removed, and we need it around for the CCB release 1923 * operation. 1924 */ 1925 xpt_release_ccb(ccb); 1926 softc->state = DA_STATE_NORMAL; 1927 daschedule(periph); 1928 wakeup(&softc->disk->d_mediasize); 1929 if ((softc->flags & DA_FLAG_PROBED) == 0) { 1930 softc->flags |= DA_FLAG_PROBED; 1931 cam_periph_unhold(periph); 1932 } else 1933 cam_periph_release_locked(periph); 1934 } 1935 1936 static void 1937 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method) 1938 { 1939 int i, delete_method; 1940 1941 delete_method = default_method; 1942 1943 /* 1944 * Use the pre-defined order to choose the best 1945 * performing delete. 1946 */ 1947 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) { 1948 if (softc->delete_available & (1 << i)) { 1949 dadeletemethodset(softc, i); 1950 return; 1951 } 1952 } 1953 dadeletemethodset(softc, delete_method); 1954 } 1955 1956 static int 1957 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS) 1958 { 1959 char buf[16]; 1960 const char *p; 1961 struct da_softc *softc; 1962 int i, error, methods, value; 1963 1964 softc = (struct da_softc *)arg1; 1965 1966 value = softc->delete_method; 1967 if (value < 0 || value > DA_DELETE_MAX) 1968 p = "UNKNOWN"; 1969 else 1970 p = da_delete_method_names[value]; 1971 strncpy(buf, p, sizeof(buf)); 1972 error = sysctl_handle_string(oidp, buf, sizeof(buf), req); 1973 if (error != 0 || req->newptr == NULL) 1974 return (error); 1975 methods = softc->delete_available | (1 << DA_DELETE_DISABLE); 1976 for (i = 0; i <= DA_DELETE_MAX; i++) { 1977 if (!(methods & (1 << i)) || 1978 strcmp(buf, da_delete_method_names[i]) != 0) 1979 continue; 1980 dadeletemethodset(softc, i); 1981 return (0); 1982 } 1983 return (EINVAL); 1984 } 1985 1986 static cam_status 1987 daregister(struct cam_periph *periph, void *arg) 1988 { 1989 struct da_softc *softc; 1990 struct ccb_pathinq cpi; 1991 struct ccb_getdev *cgd; 1992 char tmpstr[80]; 1993 caddr_t match; 1994 1995 cgd = (struct ccb_getdev *)arg; 1996 if (cgd == NULL) { 1997 printf("daregister: no getdev CCB, can't register device\n"); 1998 return(CAM_REQ_CMP_ERR); 1999 } 2000 2001 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF, 2002 M_NOWAIT|M_ZERO); 2003 2004 if (softc == NULL) { 2005 printf("daregister: Unable to probe new device. " 2006 "Unable to allocate softc\n"); 2007 return(CAM_REQ_CMP_ERR); 2008 } 2009 2010 LIST_INIT(&softc->pending_ccbs); 2011 softc->state = DA_STATE_PROBE_RC; 2012 bioq_init(&softc->bio_queue); 2013 bioq_init(&softc->delete_queue); 2014 bioq_init(&softc->delete_run_queue); 2015 if (SID_IS_REMOVABLE(&cgd->inq_data)) 2016 softc->flags |= DA_FLAG_PACK_REMOVABLE; 2017 softc->unmap_max_ranges = UNMAP_MAX_RANGES; 2018 softc->unmap_max_lba = UNMAP_RANGE_MAX; 2019 softc->ws_max_blks = WS16_MAX_BLKS; 2020 softc->trim_max_ranges = ATA_TRIM_MAX_RANGES; 2021 softc->sort_io_queue = -1; 2022 2023 periph->softc = softc; 2024 2025 /* 2026 * See if this device has any quirks. 2027 */ 2028 match = cam_quirkmatch((caddr_t)&cgd->inq_data, 2029 (caddr_t)da_quirk_table, 2030 sizeof(da_quirk_table)/sizeof(*da_quirk_table), 2031 sizeof(*da_quirk_table), scsi_inquiry_match); 2032 2033 if (match != NULL) 2034 softc->quirks = ((struct da_quirk_entry *)match)->quirks; 2035 else 2036 softc->quirks = DA_Q_NONE; 2037 2038 /* Check if the SIM does not want 6 byte commands */ 2039 bzero(&cpi, sizeof(cpi)); 2040 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 2041 cpi.ccb_h.func_code = XPT_PATH_INQ; 2042 xpt_action((union ccb *)&cpi); 2043 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE)) 2044 softc->quirks |= DA_Q_NO_6_BYTE; 2045 2046 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph); 2047 2048 /* 2049 * Take an exclusive refcount on the periph while dastart is called 2050 * to finish the probe. The reference will be dropped in dadone at 2051 * the end of probe. 2052 */ 2053 (void)cam_periph_hold(periph, PRIBIO); 2054 2055 /* 2056 * Schedule a periodic event to occasionally send an 2057 * ordered tag to a device. 2058 */ 2059 callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0); 2060 callout_reset(&softc->sendordered_c, 2061 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL, 2062 dasendorderedtag, softc); 2063 2064 cam_periph_unlock(periph); 2065 /* 2066 * RBC devices don't have to support READ(6), only READ(10). 2067 */ 2068 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC) 2069 softc->minimum_cmd_size = 10; 2070 else 2071 softc->minimum_cmd_size = 6; 2072 2073 /* 2074 * Load the user's default, if any. 2075 */ 2076 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size", 2077 periph->unit_number); 2078 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size); 2079 2080 /* 2081 * 6, 10, 12 and 16 are the currently permissible values. 2082 */ 2083 if (softc->minimum_cmd_size < 6) 2084 softc->minimum_cmd_size = 6; 2085 else if ((softc->minimum_cmd_size > 6) 2086 && (softc->minimum_cmd_size <= 10)) 2087 softc->minimum_cmd_size = 10; 2088 else if ((softc->minimum_cmd_size > 10) 2089 && (softc->minimum_cmd_size <= 12)) 2090 softc->minimum_cmd_size = 12; 2091 else if (softc->minimum_cmd_size > 12) 2092 softc->minimum_cmd_size = 16; 2093 2094 /* Predict whether device may support READ CAPACITY(16). */ 2095 if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 && 2096 (softc->quirks & DA_Q_NO_RC16) == 0) { 2097 softc->flags |= DA_FLAG_CAN_RC16; 2098 softc->state = DA_STATE_PROBE_RC16; 2099 } 2100 2101 /* 2102 * Register this media as a disk. 2103 */ 2104 softc->disk = disk_alloc(); 2105 softc->disk->d_devstat = devstat_new_entry(periph->periph_name, 2106 periph->unit_number, 0, 2107 DEVSTAT_BS_UNAVAILABLE, 2108 SID_TYPE(&cgd->inq_data) | 2109 XPORT_DEVSTAT_TYPE(cpi.transport), 2110 DEVSTAT_PRIORITY_DISK); 2111 softc->disk->d_open = daopen; 2112 softc->disk->d_close = daclose; 2113 softc->disk->d_strategy = dastrategy; 2114 softc->disk->d_dump = dadump; 2115 softc->disk->d_getattr = dagetattr; 2116 softc->disk->d_gone = dadiskgonecb; 2117 softc->disk->d_name = "da"; 2118 softc->disk->d_drv1 = periph; 2119 if (cpi.maxio == 0) 2120 softc->disk->d_maxsize = DFLTPHYS; /* traditional default */ 2121 else if (cpi.maxio > MAXPHYS) 2122 softc->disk->d_maxsize = MAXPHYS; /* for safety */ 2123 else 2124 softc->disk->d_maxsize = cpi.maxio; 2125 softc->disk->d_unit = periph->unit_number; 2126 softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION; 2127 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) 2128 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; 2129 if ((cpi.hba_misc & PIM_UNMAPPED) != 0) 2130 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO; 2131 cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor, 2132 sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr)); 2133 strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr)); 2134 cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)], 2135 cgd->inq_data.product, sizeof(cgd->inq_data.product), 2136 sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr)); 2137 softc->disk->d_hba_vendor = cpi.hba_vendor; 2138 softc->disk->d_hba_device = cpi.hba_device; 2139 softc->disk->d_hba_subvendor = cpi.hba_subvendor; 2140 softc->disk->d_hba_subdevice = cpi.hba_subdevice; 2141 2142 /* 2143 * Acquire a reference to the periph before we register with GEOM. 2144 * We'll release this reference once GEOM calls us back (via 2145 * dadiskgonecb()) telling us that our provider has been freed. 2146 */ 2147 if (cam_periph_acquire(periph) != CAM_REQ_CMP) { 2148 xpt_print(periph->path, "%s: lost periph during " 2149 "registration!\n", __func__); 2150 cam_periph_lock(periph); 2151 return (CAM_REQ_CMP_ERR); 2152 } 2153 2154 disk_create(softc->disk, DISK_VERSION); 2155 cam_periph_lock(periph); 2156 2157 /* 2158 * Add async callbacks for events of interest. 2159 * I don't bother checking if this fails as, 2160 * in most cases, the system will function just 2161 * fine without them and the only alternative 2162 * would be to not attach the device on failure. 2163 */ 2164 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 2165 AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION, 2166 daasync, periph, periph->path); 2167 2168 /* 2169 * Emit an attribute changed notification just in case 2170 * physical path information arrived before our async 2171 * event handler was registered, but after anyone attaching 2172 * to our disk device polled it. 2173 */ 2174 disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT); 2175 2176 /* 2177 * Schedule a periodic media polling events. 2178 */ 2179 callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0); 2180 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) && 2181 (cgd->inq_flags & SID_AEN) == 0 && 2182 da_poll_period != 0) 2183 callout_reset(&softc->mediapoll_c, da_poll_period * hz, 2184 damediapoll, periph); 2185 2186 xpt_schedule(periph, CAM_PRIORITY_DEV); 2187 2188 return(CAM_REQ_CMP); 2189 } 2190 2191 static void 2192 dastart(struct cam_periph *periph, union ccb *start_ccb) 2193 { 2194 struct da_softc *softc; 2195 2196 softc = (struct da_softc *)periph->softc; 2197 2198 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n")); 2199 2200 skipstate: 2201 switch (softc->state) { 2202 case DA_STATE_NORMAL: 2203 { 2204 struct bio *bp; 2205 uint8_t tag_code; 2206 2207 /* Run BIO_DELETE if not running yet. */ 2208 if (!softc->delete_running && 2209 (bp = bioq_first(&softc->delete_queue)) != NULL) { 2210 if (softc->delete_func != NULL) { 2211 softc->delete_func(periph, start_ccb, bp); 2212 goto out; 2213 } else { 2214 bioq_flush(&softc->delete_queue, NULL, 0); 2215 /* FALLTHROUGH */ 2216 } 2217 } 2218 2219 /* Run regular command. */ 2220 bp = bioq_takefirst(&softc->bio_queue); 2221 if (bp == NULL) { 2222 if (softc->tur) { 2223 softc->tur = 0; 2224 scsi_test_unit_ready(&start_ccb->csio, 2225 /*retries*/ da_retry_count, 2226 dadone, 2227 MSG_SIMPLE_Q_TAG, 2228 SSD_FULL_SIZE, 2229 da_default_timeout * 1000); 2230 start_ccb->ccb_h.ccb_bp = NULL; 2231 start_ccb->ccb_h.ccb_state = DA_CCB_TUR; 2232 xpt_action(start_ccb); 2233 } else 2234 xpt_release_ccb(start_ccb); 2235 break; 2236 } 2237 if (softc->tur) { 2238 softc->tur = 0; 2239 cam_periph_release_locked(periph); 2240 } 2241 2242 if ((bp->bio_flags & BIO_ORDERED) != 0 || 2243 (softc->flags & DA_FLAG_NEED_OTAG) != 0) { 2244 softc->flags &= ~DA_FLAG_NEED_OTAG; 2245 softc->flags |= DA_FLAG_WAS_OTAG; 2246 tag_code = MSG_ORDERED_Q_TAG; 2247 } else { 2248 tag_code = MSG_SIMPLE_Q_TAG; 2249 } 2250 2251 switch (bp->bio_cmd) { 2252 case BIO_WRITE: 2253 softc->flags |= DA_FLAG_DIRTY; 2254 /* FALLTHROUGH */ 2255 case BIO_READ: 2256 scsi_read_write(&start_ccb->csio, 2257 /*retries*/da_retry_count, 2258 /*cbfcnp*/dadone, 2259 /*tag_action*/tag_code, 2260 /*read_op*/(bp->bio_cmd == BIO_READ ? 2261 SCSI_RW_READ : SCSI_RW_WRITE) | 2262 ((bp->bio_flags & BIO_UNMAPPED) != 0 ? 2263 SCSI_RW_BIO : 0), 2264 /*byte2*/0, 2265 softc->minimum_cmd_size, 2266 /*lba*/bp->bio_pblkno, 2267 /*block_count*/bp->bio_bcount / 2268 softc->params.secsize, 2269 /*data_ptr*/ (bp->bio_flags & 2270 BIO_UNMAPPED) != 0 ? (void *)bp : 2271 bp->bio_data, 2272 /*dxfer_len*/ bp->bio_bcount, 2273 /*sense_len*/SSD_FULL_SIZE, 2274 da_default_timeout * 1000); 2275 break; 2276 case BIO_FLUSH: 2277 /* 2278 * BIO_FLUSH doesn't currently communicate 2279 * range data, so we synchronize the cache 2280 * over the whole disk. We also force 2281 * ordered tag semantics the flush applies 2282 * to all previously queued I/O. 2283 */ 2284 scsi_synchronize_cache(&start_ccb->csio, 2285 /*retries*/1, 2286 /*cbfcnp*/dadone, 2287 MSG_ORDERED_Q_TAG, 2288 /*begin_lba*/0, 2289 /*lb_count*/0, 2290 SSD_FULL_SIZE, 2291 da_default_timeout*1000); 2292 break; 2293 } 2294 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO; 2295 start_ccb->ccb_h.flags |= CAM_UNLOCKED; 2296 2297 out: 2298 LIST_INSERT_HEAD(&softc->pending_ccbs, 2299 &start_ccb->ccb_h, periph_links.le); 2300 2301 /* We expect a unit attention from this device */ 2302 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) { 2303 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA; 2304 softc->flags &= ~DA_FLAG_RETRY_UA; 2305 } 2306 2307 start_ccb->ccb_h.ccb_bp = bp; 2308 softc->refcount++; 2309 cam_periph_unlock(periph); 2310 xpt_action(start_ccb); 2311 cam_periph_lock(periph); 2312 softc->refcount--; 2313 2314 /* May have more work to do, so ensure we stay scheduled */ 2315 daschedule(periph); 2316 break; 2317 } 2318 case DA_STATE_PROBE_RC: 2319 { 2320 struct scsi_read_capacity_data *rcap; 2321 2322 rcap = (struct scsi_read_capacity_data *) 2323 malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO); 2324 if (rcap == NULL) { 2325 printf("dastart: Couldn't malloc read_capacity data\n"); 2326 /* da_free_periph??? */ 2327 break; 2328 } 2329 scsi_read_capacity(&start_ccb->csio, 2330 /*retries*/da_retry_count, 2331 dadone, 2332 MSG_SIMPLE_Q_TAG, 2333 rcap, 2334 SSD_FULL_SIZE, 2335 /*timeout*/5000); 2336 start_ccb->ccb_h.ccb_bp = NULL; 2337 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC; 2338 xpt_action(start_ccb); 2339 break; 2340 } 2341 case DA_STATE_PROBE_RC16: 2342 { 2343 struct scsi_read_capacity_data_long *rcaplong; 2344 2345 rcaplong = (struct scsi_read_capacity_data_long *) 2346 malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO); 2347 if (rcaplong == NULL) { 2348 printf("dastart: Couldn't malloc read_capacity data\n"); 2349 /* da_free_periph??? */ 2350 break; 2351 } 2352 scsi_read_capacity_16(&start_ccb->csio, 2353 /*retries*/ da_retry_count, 2354 /*cbfcnp*/ dadone, 2355 /*tag_action*/ MSG_SIMPLE_Q_TAG, 2356 /*lba*/ 0, 2357 /*reladr*/ 0, 2358 /*pmi*/ 0, 2359 /*rcap_buf*/ (uint8_t *)rcaplong, 2360 /*rcap_buf_len*/ sizeof(*rcaplong), 2361 /*sense_len*/ SSD_FULL_SIZE, 2362 /*timeout*/ da_default_timeout * 1000); 2363 start_ccb->ccb_h.ccb_bp = NULL; 2364 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16; 2365 xpt_action(start_ccb); 2366 break; 2367 } 2368 case DA_STATE_PROBE_LBP: 2369 { 2370 struct scsi_vpd_logical_block_prov *lbp; 2371 2372 if (!scsi_vpd_supported_page(periph, SVPD_LBP)) { 2373 /* 2374 * If we get here we don't support any SBC-3 delete 2375 * methods with UNMAP as the Logical Block Provisioning 2376 * VPD page support is required for devices which 2377 * support it according to T10/1799-D Revision 31 2378 * however older revisions of the spec don't mandate 2379 * this so we currently don't remove these methods 2380 * from the available set. 2381 */ 2382 softc->state = DA_STATE_PROBE_BLK_LIMITS; 2383 goto skipstate; 2384 } 2385 2386 lbp = (struct scsi_vpd_logical_block_prov *) 2387 malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO); 2388 2389 if (lbp == NULL) { 2390 printf("dastart: Couldn't malloc lbp data\n"); 2391 /* da_free_periph??? */ 2392 break; 2393 } 2394 2395 scsi_inquiry(&start_ccb->csio, 2396 /*retries*/da_retry_count, 2397 /*cbfcnp*/dadone, 2398 /*tag_action*/MSG_SIMPLE_Q_TAG, 2399 /*inq_buf*/(u_int8_t *)lbp, 2400 /*inq_len*/sizeof(*lbp), 2401 /*evpd*/TRUE, 2402 /*page_code*/SVPD_LBP, 2403 /*sense_len*/SSD_MIN_SIZE, 2404 /*timeout*/da_default_timeout * 1000); 2405 start_ccb->ccb_h.ccb_bp = NULL; 2406 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP; 2407 xpt_action(start_ccb); 2408 break; 2409 } 2410 case DA_STATE_PROBE_BLK_LIMITS: 2411 { 2412 struct scsi_vpd_block_limits *block_limits; 2413 2414 if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) { 2415 /* Not supported skip to next probe */ 2416 softc->state = DA_STATE_PROBE_BDC; 2417 goto skipstate; 2418 } 2419 2420 block_limits = (struct scsi_vpd_block_limits *) 2421 malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO); 2422 2423 if (block_limits == NULL) { 2424 printf("dastart: Couldn't malloc block_limits data\n"); 2425 /* da_free_periph??? */ 2426 break; 2427 } 2428 2429 scsi_inquiry(&start_ccb->csio, 2430 /*retries*/da_retry_count, 2431 /*cbfcnp*/dadone, 2432 /*tag_action*/MSG_SIMPLE_Q_TAG, 2433 /*inq_buf*/(u_int8_t *)block_limits, 2434 /*inq_len*/sizeof(*block_limits), 2435 /*evpd*/TRUE, 2436 /*page_code*/SVPD_BLOCK_LIMITS, 2437 /*sense_len*/SSD_MIN_SIZE, 2438 /*timeout*/da_default_timeout * 1000); 2439 start_ccb->ccb_h.ccb_bp = NULL; 2440 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS; 2441 xpt_action(start_ccb); 2442 break; 2443 } 2444 case DA_STATE_PROBE_BDC: 2445 { 2446 struct scsi_vpd_block_characteristics *bdc; 2447 2448 if (!scsi_vpd_supported_page(periph, SVPD_BDC)) { 2449 softc->state = DA_STATE_PROBE_ATA; 2450 goto skipstate; 2451 } 2452 2453 bdc = (struct scsi_vpd_block_characteristics *) 2454 malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO); 2455 2456 if (bdc == NULL) { 2457 printf("dastart: Couldn't malloc bdc data\n"); 2458 /* da_free_periph??? */ 2459 break; 2460 } 2461 2462 scsi_inquiry(&start_ccb->csio, 2463 /*retries*/da_retry_count, 2464 /*cbfcnp*/dadone, 2465 /*tag_action*/MSG_SIMPLE_Q_TAG, 2466 /*inq_buf*/(u_int8_t *)bdc, 2467 /*inq_len*/sizeof(*bdc), 2468 /*evpd*/TRUE, 2469 /*page_code*/SVPD_BDC, 2470 /*sense_len*/SSD_MIN_SIZE, 2471 /*timeout*/da_default_timeout * 1000); 2472 start_ccb->ccb_h.ccb_bp = NULL; 2473 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC; 2474 xpt_action(start_ccb); 2475 break; 2476 } 2477 case DA_STATE_PROBE_ATA: 2478 { 2479 struct ata_params *ata_params; 2480 2481 if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) { 2482 daprobedone(periph, start_ccb); 2483 break; 2484 } 2485 2486 ata_params = (struct ata_params*) 2487 malloc(sizeof(*ata_params), M_SCSIDA, M_NOWAIT|M_ZERO); 2488 2489 if (ata_params == NULL) { 2490 printf("dastart: Couldn't malloc ata_params data\n"); 2491 /* da_free_periph??? */ 2492 break; 2493 } 2494 2495 scsi_ata_identify(&start_ccb->csio, 2496 /*retries*/da_retry_count, 2497 /*cbfcnp*/dadone, 2498 /*tag_action*/MSG_SIMPLE_Q_TAG, 2499 /*data_ptr*/(u_int8_t *)ata_params, 2500 /*dxfer_len*/sizeof(*ata_params), 2501 /*sense_len*/SSD_FULL_SIZE, 2502 /*timeout*/da_default_timeout * 1000); 2503 start_ccb->ccb_h.ccb_bp = NULL; 2504 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA; 2505 xpt_action(start_ccb); 2506 break; 2507 } 2508 } 2509 } 2510 2511 /* 2512 * In each of the methods below, while its the caller's 2513 * responsibility to ensure the request will fit into a 2514 * single device request, we might have changed the delete 2515 * method due to the device incorrectly advertising either 2516 * its supported methods or limits. 2517 * 2518 * To prevent this causing further issues we validate the 2519 * against the methods limits, and warn which would 2520 * otherwise be unnecessary. 2521 */ 2522 static void 2523 da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp) 2524 { 2525 struct da_softc *softc = (struct da_softc *)periph->softc;; 2526 struct bio *bp1; 2527 uint8_t *buf = softc->unmap_buf; 2528 uint64_t lba, lastlba = (uint64_t)-1; 2529 uint64_t count; 2530 uint32_t lastcount = 0, c; 2531 uint32_t off, ranges = 0; 2532 2533 /* 2534 * Currently this doesn't take the UNMAP 2535 * Granularity and Granularity Alignment 2536 * fields into account. 2537 * 2538 * This could result in both unoptimal unmap 2539 * requests as as well as UNMAP calls unmapping 2540 * fewer LBA's than requested. 2541 */ 2542 2543 softc->delete_running = 1; 2544 bzero(softc->unmap_buf, sizeof(softc->unmap_buf)); 2545 bp1 = bp; 2546 do { 2547 bioq_remove(&softc->delete_queue, bp1); 2548 if (bp1 != bp) 2549 bioq_insert_tail(&softc->delete_run_queue, bp1); 2550 lba = bp1->bio_pblkno; 2551 count = bp1->bio_bcount / softc->params.secsize; 2552 2553 /* Try to extend the previous range. */ 2554 if (lba == lastlba) { 2555 c = min(count, softc->unmap_max_lba - lastcount); 2556 lastcount += c; 2557 off = ((ranges - 1) * UNMAP_RANGE_SIZE) + 2558 UNMAP_HEAD_SIZE; 2559 scsi_ulto4b(lastcount, &buf[off + 8]); 2560 count -= c; 2561 lba +=c; 2562 } 2563 2564 while (count > 0) { 2565 if (ranges > softc->unmap_max_ranges) { 2566 xpt_print(periph->path, 2567 "%s issuing short delete %d > %d\n", 2568 da_delete_method_desc[softc->delete_method], 2569 ranges, softc->unmap_max_ranges); 2570 break; 2571 } 2572 c = min(count, softc->unmap_max_lba); 2573 off = (ranges * UNMAP_RANGE_SIZE) + UNMAP_HEAD_SIZE; 2574 scsi_u64to8b(lba, &buf[off + 0]); 2575 scsi_ulto4b(c, &buf[off + 8]); 2576 lba += c; 2577 ranges++; 2578 count -= c; 2579 lastcount = c; 2580 } 2581 lastlba = lba; 2582 bp1 = bioq_first(&softc->delete_queue); 2583 /* 2584 * Assume no range extension on the next loop iteration to 2585 * avoid issuing a short delete. 2586 */ 2587 if (bp1 == NULL || ranges >= softc->unmap_max_ranges || 2588 bp1->bio_bcount / softc->params.secsize > 2589 softc->unmap_max_lba * (softc->unmap_max_ranges - ranges)) 2590 break; 2591 } while (1); 2592 scsi_ulto2b(ranges * 16 + 6, &buf[0]); 2593 scsi_ulto2b(ranges * 16, &buf[2]); 2594 2595 scsi_unmap(&ccb->csio, 2596 /*retries*/da_retry_count, 2597 /*cbfcnp*/dadone, 2598 /*tag_action*/MSG_SIMPLE_Q_TAG, 2599 /*byte2*/0, 2600 /*data_ptr*/ buf, 2601 /*dxfer_len*/ ranges * 16 + 8, 2602 /*sense_len*/SSD_FULL_SIZE, 2603 da_default_timeout * 1000); 2604 ccb->ccb_h.ccb_state = DA_CCB_DELETE; 2605 ccb->ccb_h.flags |= CAM_UNLOCKED; 2606 } 2607 2608 static void 2609 da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp) 2610 { 2611 struct da_softc *softc = (struct da_softc *)periph->softc; 2612 struct bio *bp1; 2613 uint8_t *buf = softc->unmap_buf; 2614 uint64_t lastlba = (uint64_t)-1; 2615 uint64_t count; 2616 uint64_t lba; 2617 uint32_t lastcount = 0, c, requestcount; 2618 int ranges = 0, off, block_count; 2619 2620 softc->delete_running = 1; 2621 bzero(softc->unmap_buf, sizeof(softc->unmap_buf)); 2622 bp1 = bp; 2623 do { 2624 bioq_remove(&softc->delete_queue, bp1); 2625 if (bp1 != bp) 2626 bioq_insert_tail(&softc->delete_run_queue, bp1); 2627 lba = bp1->bio_pblkno; 2628 count = bp1->bio_bcount / softc->params.secsize; 2629 requestcount = count; 2630 2631 /* Try to extend the previous range. */ 2632 if (lba == lastlba) { 2633 c = min(count, ATA_DSM_RANGE_MAX - lastcount); 2634 lastcount += c; 2635 off = (ranges - 1) * 8; 2636 buf[off + 6] = lastcount & 0xff; 2637 buf[off + 7] = (lastcount >> 8) & 0xff; 2638 count -= c; 2639 lba += c; 2640 } 2641 2642 while (count > 0) { 2643 c = min(count, ATA_DSM_RANGE_MAX); 2644 off = ranges * 8; 2645 2646 buf[off + 0] = lba & 0xff; 2647 buf[off + 1] = (lba >> 8) & 0xff; 2648 buf[off + 2] = (lba >> 16) & 0xff; 2649 buf[off + 3] = (lba >> 24) & 0xff; 2650 buf[off + 4] = (lba >> 32) & 0xff; 2651 buf[off + 5] = (lba >> 40) & 0xff; 2652 buf[off + 6] = c & 0xff; 2653 buf[off + 7] = (c >> 8) & 0xff; 2654 lba += c; 2655 ranges++; 2656 count -= c; 2657 lastcount = c; 2658 if (count != 0 && ranges == softc->trim_max_ranges) { 2659 xpt_print(periph->path, 2660 "%s issuing short delete %ld > %ld\n", 2661 da_delete_method_desc[softc->delete_method], 2662 requestcount, 2663 (softc->trim_max_ranges - ranges) * 2664 ATA_DSM_RANGE_MAX); 2665 break; 2666 } 2667 } 2668 lastlba = lba; 2669 bp1 = bioq_first(&softc->delete_queue); 2670 if (bp1 == NULL || bp1->bio_bcount / softc->params.secsize > 2671 (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX) 2672 break; 2673 } while (1); 2674 2675 block_count = (ranges + ATA_DSM_BLK_RANGES - 1) / ATA_DSM_BLK_RANGES; 2676 scsi_ata_trim(&ccb->csio, 2677 /*retries*/da_retry_count, 2678 /*cbfcnp*/dadone, 2679 /*tag_action*/MSG_SIMPLE_Q_TAG, 2680 block_count, 2681 /*data_ptr*/buf, 2682 /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE, 2683 /*sense_len*/SSD_FULL_SIZE, 2684 da_default_timeout * 1000); 2685 ccb->ccb_h.ccb_state = DA_CCB_DELETE; 2686 ccb->ccb_h.flags |= CAM_UNLOCKED; 2687 } 2688 2689 /* 2690 * We calculate ws_max_blks here based off d_delmaxsize instead 2691 * of using softc->ws_max_blks as it is absolute max for the 2692 * device not the protocol max which may well be lower. 2693 */ 2694 static void 2695 da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp) 2696 { 2697 struct da_softc *softc; 2698 struct bio *bp1; 2699 uint64_t ws_max_blks; 2700 uint64_t lba; 2701 uint64_t count; /* forward compat with WS32 */ 2702 2703 softc = (struct da_softc *)periph->softc; 2704 ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize; 2705 softc->delete_running = 1; 2706 lba = bp->bio_pblkno; 2707 count = 0; 2708 bp1 = bp; 2709 do { 2710 bioq_remove(&softc->delete_queue, bp1); 2711 if (bp1 != bp) 2712 bioq_insert_tail(&softc->delete_run_queue, bp1); 2713 count += bp1->bio_bcount / softc->params.secsize; 2714 if (count > ws_max_blks) { 2715 xpt_print(periph->path, 2716 "%s issuing short delete %ld > %ld\n", 2717 da_delete_method_desc[softc->delete_method], 2718 count, ws_max_blks); 2719 count = min(count, ws_max_blks); 2720 break; 2721 } 2722 bp1 = bioq_first(&softc->delete_queue); 2723 if (bp1 == NULL || lba + count != bp1->bio_pblkno || 2724 count + bp1->bio_bcount / 2725 softc->params.secsize > ws_max_blks) 2726 break; 2727 } while (1); 2728 2729 scsi_write_same(&ccb->csio, 2730 /*retries*/da_retry_count, 2731 /*cbfcnp*/dadone, 2732 /*tag_action*/MSG_SIMPLE_Q_TAG, 2733 /*byte2*/softc->delete_method == 2734 DA_DELETE_ZERO ? 0 : SWS_UNMAP, 2735 softc->delete_method == DA_DELETE_WS16 ? 16 : 10, 2736 /*lba*/lba, 2737 /*block_count*/count, 2738 /*data_ptr*/ __DECONST(void *, zero_region), 2739 /*dxfer_len*/ softc->params.secsize, 2740 /*sense_len*/SSD_FULL_SIZE, 2741 da_default_timeout * 1000); 2742 ccb->ccb_h.ccb_state = DA_CCB_DELETE; 2743 ccb->ccb_h.flags |= CAM_UNLOCKED; 2744 } 2745 2746 static int 2747 cmd6workaround(union ccb *ccb) 2748 { 2749 struct scsi_rw_6 cmd6; 2750 struct scsi_rw_10 *cmd10; 2751 struct da_softc *softc; 2752 u_int8_t *cdb; 2753 struct bio *bp; 2754 int frozen; 2755 2756 cdb = ccb->csio.cdb_io.cdb_bytes; 2757 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc; 2758 2759 if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) { 2760 da_delete_methods old_method = softc->delete_method; 2761 2762 /* 2763 * Typically there are two reasons for failure here 2764 * 1. Delete method was detected as supported but isn't 2765 * 2. Delete failed due to invalid params e.g. too big 2766 * 2767 * While we will attempt to choose an alternative delete method 2768 * this may result in short deletes if the existing delete 2769 * requests from geom are big for the new method choosen. 2770 * 2771 * This method assumes that the error which triggered this 2772 * will not retry the io otherwise a panic will occur 2773 */ 2774 dadeleteflag(softc, old_method, 0); 2775 dadeletemethodchoose(softc, DA_DELETE_DISABLE); 2776 if (softc->delete_method == DA_DELETE_DISABLE) 2777 xpt_print(ccb->ccb_h.path, 2778 "%s failed, disabling BIO_DELETE\n", 2779 da_delete_method_desc[old_method]); 2780 else 2781 xpt_print(ccb->ccb_h.path, 2782 "%s failed, switching to %s BIO_DELETE\n", 2783 da_delete_method_desc[old_method], 2784 da_delete_method_desc[softc->delete_method]); 2785 2786 if (DA_SIO) { 2787 while ((bp = bioq_takefirst(&softc->delete_run_queue)) 2788 != NULL) 2789 bioq_disksort(&softc->delete_queue, bp); 2790 } else { 2791 while ((bp = bioq_takefirst(&softc->delete_run_queue)) 2792 != NULL) 2793 bioq_insert_tail(&softc->delete_queue, bp); 2794 } 2795 bioq_insert_tail(&softc->delete_queue, 2796 (struct bio *)ccb->ccb_h.ccb_bp); 2797 ccb->ccb_h.ccb_bp = NULL; 2798 return (0); 2799 } 2800 2801 /* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */ 2802 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 && 2803 (*cdb == PREVENT_ALLOW) && 2804 (softc->quirks & DA_Q_NO_PREVENT) == 0) { 2805 if (bootverbose) 2806 xpt_print(ccb->ccb_h.path, 2807 "PREVENT ALLOW MEDIUM REMOVAL not supported.\n"); 2808 softc->quirks |= DA_Q_NO_PREVENT; 2809 return (0); 2810 } 2811 2812 /* Detect unsupported SYNCHRONIZE CACHE(10). */ 2813 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 && 2814 (*cdb == SYNCHRONIZE_CACHE) && 2815 (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) { 2816 if (bootverbose) 2817 xpt_print(ccb->ccb_h.path, 2818 "SYNCHRONIZE CACHE(10) not supported.\n"); 2819 softc->quirks |= DA_Q_NO_SYNC_CACHE; 2820 softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE; 2821 return (0); 2822 } 2823 2824 /* Translation only possible if CDB is an array and cmd is R/W6 */ 2825 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 || 2826 (*cdb != READ_6 && *cdb != WRITE_6)) 2827 return 0; 2828 2829 xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, " 2830 "increasing minimum_cmd_size to 10.\n"); 2831 softc->minimum_cmd_size = 10; 2832 2833 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6)); 2834 cmd10 = (struct scsi_rw_10 *)cdb; 2835 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10; 2836 cmd10->byte2 = 0; 2837 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr); 2838 cmd10->reserved = 0; 2839 scsi_ulto2b(cmd6.length, cmd10->length); 2840 cmd10->control = cmd6.control; 2841 ccb->csio.cdb_len = sizeof(*cmd10); 2842 2843 /* Requeue request, unfreezing queue if necessary */ 2844 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 2845 ccb->ccb_h.status = CAM_REQUEUE_REQ; 2846 xpt_action(ccb); 2847 if (frozen) { 2848 cam_release_devq(ccb->ccb_h.path, 2849 /*relsim_flags*/0, 2850 /*reduction*/0, 2851 /*timeout*/0, 2852 /*getcount_only*/0); 2853 } 2854 return (ERESTART); 2855 } 2856 2857 static void 2858 dadone(struct cam_periph *periph, union ccb *done_ccb) 2859 { 2860 struct da_softc *softc; 2861 struct ccb_scsiio *csio; 2862 u_int32_t priority; 2863 da_ccb_state state; 2864 2865 softc = (struct da_softc *)periph->softc; 2866 priority = done_ccb->ccb_h.pinfo.priority; 2867 2868 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n")); 2869 2870 csio = &done_ccb->csio; 2871 state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK; 2872 switch (state) { 2873 case DA_CCB_BUFFER_IO: 2874 case DA_CCB_DELETE: 2875 { 2876 struct bio *bp, *bp1; 2877 2878 cam_periph_lock(periph); 2879 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 2880 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2881 int error; 2882 int sf; 2883 2884 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0) 2885 sf = SF_RETRY_UA; 2886 else 2887 sf = 0; 2888 2889 error = daerror(done_ccb, CAM_RETRY_SELTO, sf); 2890 if (error == ERESTART) { 2891 /* 2892 * A retry was scheduled, so 2893 * just return. 2894 */ 2895 cam_periph_unlock(periph); 2896 return; 2897 } 2898 bp = (struct bio *)done_ccb->ccb_h.ccb_bp; 2899 if (error != 0) { 2900 int queued_error; 2901 2902 /* 2903 * return all queued I/O with EIO, so that 2904 * the client can retry these I/Os in the 2905 * proper order should it attempt to recover. 2906 */ 2907 queued_error = EIO; 2908 2909 if (error == ENXIO 2910 && (softc->flags & DA_FLAG_PACK_INVALID)== 0) { 2911 /* 2912 * Catastrophic error. Mark our pack as 2913 * invalid. 2914 */ 2915 /* 2916 * XXX See if this is really a media 2917 * XXX change first? 2918 */ 2919 xpt_print(periph->path, 2920 "Invalidating pack\n"); 2921 softc->flags |= DA_FLAG_PACK_INVALID; 2922 queued_error = ENXIO; 2923 } 2924 bioq_flush(&softc->bio_queue, NULL, 2925 queued_error); 2926 if (bp != NULL) { 2927 bp->bio_error = error; 2928 bp->bio_resid = bp->bio_bcount; 2929 bp->bio_flags |= BIO_ERROR; 2930 } 2931 } else if (bp != NULL) { 2932 if (state == DA_CCB_DELETE) 2933 bp->bio_resid = 0; 2934 else 2935 bp->bio_resid = csio->resid; 2936 bp->bio_error = 0; 2937 if (bp->bio_resid != 0) 2938 bp->bio_flags |= BIO_ERROR; 2939 } 2940 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2941 cam_release_devq(done_ccb->ccb_h.path, 2942 /*relsim_flags*/0, 2943 /*reduction*/0, 2944 /*timeout*/0, 2945 /*getcount_only*/0); 2946 } else if (bp != NULL) { 2947 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 2948 panic("REQ_CMP with QFRZN"); 2949 if (state == DA_CCB_DELETE) 2950 bp->bio_resid = 0; 2951 else 2952 bp->bio_resid = csio->resid; 2953 if (csio->resid > 0) 2954 bp->bio_flags |= BIO_ERROR; 2955 if (softc->error_inject != 0) { 2956 bp->bio_error = softc->error_inject; 2957 bp->bio_resid = bp->bio_bcount; 2958 bp->bio_flags |= BIO_ERROR; 2959 softc->error_inject = 0; 2960 } 2961 } 2962 2963 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 2964 if (LIST_EMPTY(&softc->pending_ccbs)) 2965 softc->flags |= DA_FLAG_WAS_OTAG; 2966 2967 xpt_release_ccb(done_ccb); 2968 if (state == DA_CCB_DELETE) { 2969 TAILQ_HEAD(, bio) queue; 2970 2971 TAILQ_INIT(&queue); 2972 TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue); 2973 softc->delete_run_queue.insert_point = NULL; 2974 softc->delete_running = 0; 2975 daschedule(periph); 2976 cam_periph_unlock(periph); 2977 while ((bp1 = TAILQ_FIRST(&queue)) != NULL) { 2978 TAILQ_REMOVE(&queue, bp1, bio_queue); 2979 bp1->bio_error = bp->bio_error; 2980 if (bp->bio_flags & BIO_ERROR) { 2981 bp1->bio_flags |= BIO_ERROR; 2982 bp1->bio_resid = bp1->bio_bcount; 2983 } else 2984 bp1->bio_resid = 0; 2985 biodone(bp1); 2986 } 2987 } else 2988 cam_periph_unlock(periph); 2989 if (bp != NULL) 2990 biodone(bp); 2991 return; 2992 } 2993 case DA_CCB_PROBE_RC: 2994 case DA_CCB_PROBE_RC16: 2995 { 2996 struct scsi_read_capacity_data *rdcap; 2997 struct scsi_read_capacity_data_long *rcaplong; 2998 char announce_buf[80]; 2999 int lbp; 3000 3001 lbp = 0; 3002 rdcap = NULL; 3003 rcaplong = NULL; 3004 if (state == DA_CCB_PROBE_RC) 3005 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr; 3006 else 3007 rcaplong = (struct scsi_read_capacity_data_long *) 3008 csio->data_ptr; 3009 3010 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3011 struct disk_params *dp; 3012 uint32_t block_size; 3013 uint64_t maxsector; 3014 u_int lbppbe; /* LB per physical block exponent. */ 3015 u_int lalba; /* Lowest aligned LBA. */ 3016 3017 if (state == DA_CCB_PROBE_RC) { 3018 block_size = scsi_4btoul(rdcap->length); 3019 maxsector = scsi_4btoul(rdcap->addr); 3020 lbppbe = 0; 3021 lalba = 0; 3022 3023 /* 3024 * According to SBC-2, if the standard 10 3025 * byte READ CAPACITY command returns 2^32, 3026 * we should issue the 16 byte version of 3027 * the command, since the device in question 3028 * has more sectors than can be represented 3029 * with the short version of the command. 3030 */ 3031 if (maxsector == 0xffffffff) { 3032 free(rdcap, M_SCSIDA); 3033 xpt_release_ccb(done_ccb); 3034 softc->state = DA_STATE_PROBE_RC16; 3035 xpt_schedule(periph, priority); 3036 return; 3037 } 3038 } else { 3039 block_size = scsi_4btoul(rcaplong->length); 3040 maxsector = scsi_8btou64(rcaplong->addr); 3041 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE; 3042 lalba = scsi_2btoul(rcaplong->lalba_lbp); 3043 } 3044 3045 /* 3046 * Because GEOM code just will panic us if we 3047 * give them an 'illegal' value we'll avoid that 3048 * here. 3049 */ 3050 if (block_size == 0 && maxsector == 0) { 3051 block_size = 512; 3052 maxsector = -1; 3053 } 3054 if (block_size >= MAXPHYS || block_size == 0) { 3055 xpt_print(periph->path, 3056 "unsupportable block size %ju\n", 3057 (uintmax_t) block_size); 3058 announce_buf[0] = '\0'; 3059 cam_periph_invalidate(periph); 3060 } else { 3061 /* 3062 * We pass rcaplong into dasetgeom(), 3063 * because it will only use it if it is 3064 * non-NULL. 3065 */ 3066 dasetgeom(periph, block_size, maxsector, 3067 rcaplong, sizeof(*rcaplong)); 3068 lbp = (lalba & SRC16_LBPME_A); 3069 dp = &softc->params; 3070 snprintf(announce_buf, sizeof(announce_buf), 3071 "%juMB (%ju %u byte sectors: %dH %dS/T " 3072 "%dC)", (uintmax_t) 3073 (((uintmax_t)dp->secsize * 3074 dp->sectors) / (1024*1024)), 3075 (uintmax_t)dp->sectors, 3076 dp->secsize, dp->heads, 3077 dp->secs_per_track, dp->cylinders); 3078 } 3079 } else { 3080 int error; 3081 3082 announce_buf[0] = '\0'; 3083 3084 /* 3085 * Retry any UNIT ATTENTION type errors. They 3086 * are expected at boot. 3087 */ 3088 error = daerror(done_ccb, CAM_RETRY_SELTO, 3089 SF_RETRY_UA|SF_NO_PRINT); 3090 if (error == ERESTART) { 3091 /* 3092 * A retry was scheuled, so 3093 * just return. 3094 */ 3095 return; 3096 } else if (error != 0) { 3097 int asc, ascq; 3098 int sense_key, error_code; 3099 int have_sense; 3100 cam_status status; 3101 struct ccb_getdev cgd; 3102 3103 /* Don't wedge this device's queue */ 3104 status = done_ccb->ccb_h.status; 3105 if ((status & CAM_DEV_QFRZN) != 0) 3106 cam_release_devq(done_ccb->ccb_h.path, 3107 /*relsim_flags*/0, 3108 /*reduction*/0, 3109 /*timeout*/0, 3110 /*getcount_only*/0); 3111 3112 3113 xpt_setup_ccb(&cgd.ccb_h, 3114 done_ccb->ccb_h.path, 3115 CAM_PRIORITY_NORMAL); 3116 cgd.ccb_h.func_code = XPT_GDEV_TYPE; 3117 xpt_action((union ccb *)&cgd); 3118 3119 if (scsi_extract_sense_ccb(done_ccb, 3120 &error_code, &sense_key, &asc, &ascq)) 3121 have_sense = TRUE; 3122 else 3123 have_sense = FALSE; 3124 3125 /* 3126 * If we tried READ CAPACITY(16) and failed, 3127 * fallback to READ CAPACITY(10). 3128 */ 3129 if ((state == DA_CCB_PROBE_RC16) && 3130 (softc->flags & DA_FLAG_CAN_RC16) && 3131 (((csio->ccb_h.status & CAM_STATUS_MASK) == 3132 CAM_REQ_INVALID) || 3133 ((have_sense) && 3134 (error_code == SSD_CURRENT_ERROR) && 3135 (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) { 3136 softc->flags &= ~DA_FLAG_CAN_RC16; 3137 free(rdcap, M_SCSIDA); 3138 xpt_release_ccb(done_ccb); 3139 softc->state = DA_STATE_PROBE_RC; 3140 xpt_schedule(periph, priority); 3141 return; 3142 } else 3143 /* 3144 * Attach to anything that claims to be a 3145 * direct access or optical disk device, 3146 * as long as it doesn't return a "Logical 3147 * unit not supported" (0x25) error. 3148 */ 3149 if ((have_sense) && (asc != 0x25) 3150 && (error_code == SSD_CURRENT_ERROR)) { 3151 const char *sense_key_desc; 3152 const char *asc_desc; 3153 3154 dasetgeom(periph, 512, -1, NULL, 0); 3155 scsi_sense_desc(sense_key, asc, ascq, 3156 &cgd.inq_data, 3157 &sense_key_desc, 3158 &asc_desc); 3159 snprintf(announce_buf, 3160 sizeof(announce_buf), 3161 "Attempt to query device " 3162 "size failed: %s, %s", 3163 sense_key_desc, 3164 asc_desc); 3165 } else { 3166 if (have_sense) 3167 scsi_sense_print( 3168 &done_ccb->csio); 3169 else { 3170 xpt_print(periph->path, 3171 "got CAM status %#x\n", 3172 done_ccb->ccb_h.status); 3173 } 3174 3175 xpt_print(periph->path, "fatal error, " 3176 "failed to attach to device\n"); 3177 3178 /* 3179 * Free up resources. 3180 */ 3181 cam_periph_invalidate(periph); 3182 } 3183 } 3184 } 3185 free(csio->data_ptr, M_SCSIDA); 3186 if (announce_buf[0] != '\0' && ((softc->flags & DA_FLAG_PROBED) == 0)) { 3187 /* 3188 * Create our sysctl variables, now that we know 3189 * we have successfully attached. 3190 */ 3191 /* increase the refcount */ 3192 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 3193 taskqueue_enqueue(taskqueue_thread, 3194 &softc->sysctl_task); 3195 xpt_announce_periph(periph, announce_buf); 3196 xpt_announce_quirks(periph, softc->quirks, 3197 DA_Q_BIT_STRING); 3198 } else { 3199 xpt_print(periph->path, "fatal error, " 3200 "could not acquire reference count\n"); 3201 } 3202 } 3203 3204 /* Ensure re-probe doesn't see old delete. */ 3205 softc->delete_available = 0; 3206 if (lbp) { 3207 /* 3208 * Based on older SBC-3 spec revisions 3209 * any of the UNMAP methods "may" be 3210 * available via LBP given this flag so 3211 * we flag all of them as availble and 3212 * then remove those which further 3213 * probes confirm aren't available 3214 * later. 3215 * 3216 * We could also check readcap(16) p_type 3217 * flag to exclude one or more invalid 3218 * write same (X) types here 3219 */ 3220 dadeleteflag(softc, DA_DELETE_WS16, 1); 3221 dadeleteflag(softc, DA_DELETE_WS10, 1); 3222 dadeleteflag(softc, DA_DELETE_ZERO, 1); 3223 dadeleteflag(softc, DA_DELETE_UNMAP, 1); 3224 3225 xpt_release_ccb(done_ccb); 3226 softc->state = DA_STATE_PROBE_LBP; 3227 xpt_schedule(periph, priority); 3228 return; 3229 } 3230 3231 xpt_release_ccb(done_ccb); 3232 softc->state = DA_STATE_PROBE_BDC; 3233 xpt_schedule(periph, priority); 3234 return; 3235 } 3236 case DA_CCB_PROBE_LBP: 3237 { 3238 struct scsi_vpd_logical_block_prov *lbp; 3239 3240 lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr; 3241 3242 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3243 /* 3244 * T10/1799-D Revision 31 states at least one of these 3245 * must be supported but we don't currently enforce this. 3246 */ 3247 dadeleteflag(softc, DA_DELETE_WS16, 3248 (lbp->flags & SVPD_LBP_WS16)); 3249 dadeleteflag(softc, DA_DELETE_WS10, 3250 (lbp->flags & SVPD_LBP_WS10)); 3251 dadeleteflag(softc, DA_DELETE_ZERO, 3252 (lbp->flags & SVPD_LBP_WS10)); 3253 dadeleteflag(softc, DA_DELETE_UNMAP, 3254 (lbp->flags & SVPD_LBP_UNMAP)); 3255 3256 if (lbp->flags & SVPD_LBP_UNMAP) { 3257 free(lbp, M_SCSIDA); 3258 xpt_release_ccb(done_ccb); 3259 softc->state = DA_STATE_PROBE_BLK_LIMITS; 3260 xpt_schedule(periph, priority); 3261 return; 3262 } 3263 } else { 3264 int error; 3265 error = daerror(done_ccb, CAM_RETRY_SELTO, 3266 SF_RETRY_UA|SF_NO_PRINT); 3267 if (error == ERESTART) 3268 return; 3269 else if (error != 0) { 3270 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3271 /* Don't wedge this device's queue */ 3272 cam_release_devq(done_ccb->ccb_h.path, 3273 /*relsim_flags*/0, 3274 /*reduction*/0, 3275 /*timeout*/0, 3276 /*getcount_only*/0); 3277 } 3278 3279 /* 3280 * Failure indicates we don't support any SBC-3 3281 * delete methods with UNMAP 3282 */ 3283 } 3284 } 3285 3286 free(lbp, M_SCSIDA); 3287 xpt_release_ccb(done_ccb); 3288 softc->state = DA_STATE_PROBE_BDC; 3289 xpt_schedule(periph, priority); 3290 return; 3291 } 3292 case DA_CCB_PROBE_BLK_LIMITS: 3293 { 3294 struct scsi_vpd_block_limits *block_limits; 3295 3296 block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr; 3297 3298 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3299 uint32_t max_unmap_lba_cnt = scsi_4btoul( 3300 block_limits->max_unmap_lba_cnt); 3301 uint32_t max_unmap_blk_cnt = scsi_4btoul( 3302 block_limits->max_unmap_blk_cnt); 3303 uint64_t ws_max_blks = scsi_8btou64( 3304 block_limits->max_write_same_length); 3305 /* 3306 * We should already support UNMAP but we check lba 3307 * and block count to be sure 3308 */ 3309 if (max_unmap_lba_cnt != 0x00L && 3310 max_unmap_blk_cnt != 0x00L) { 3311 softc->unmap_max_lba = max_unmap_lba_cnt; 3312 softc->unmap_max_ranges = min(max_unmap_blk_cnt, 3313 UNMAP_MAX_RANGES); 3314 } else { 3315 /* 3316 * Unexpected UNMAP limits which means the 3317 * device doesn't actually support UNMAP 3318 */ 3319 dadeleteflag(softc, DA_DELETE_UNMAP, 0); 3320 } 3321 3322 if (ws_max_blks != 0x00L) 3323 softc->ws_max_blks = ws_max_blks; 3324 } else { 3325 int error; 3326 error = daerror(done_ccb, CAM_RETRY_SELTO, 3327 SF_RETRY_UA|SF_NO_PRINT); 3328 if (error == ERESTART) 3329 return; 3330 else if (error != 0) { 3331 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3332 /* Don't wedge this device's queue */ 3333 cam_release_devq(done_ccb->ccb_h.path, 3334 /*relsim_flags*/0, 3335 /*reduction*/0, 3336 /*timeout*/0, 3337 /*getcount_only*/0); 3338 } 3339 3340 /* 3341 * Failure here doesn't mean UNMAP is not 3342 * supported as this is an optional page. 3343 */ 3344 softc->unmap_max_lba = 1; 3345 softc->unmap_max_ranges = 1; 3346 } 3347 } 3348 3349 free(block_limits, M_SCSIDA); 3350 xpt_release_ccb(done_ccb); 3351 softc->state = DA_STATE_PROBE_BDC; 3352 xpt_schedule(periph, priority); 3353 return; 3354 } 3355 case DA_CCB_PROBE_BDC: 3356 { 3357 struct scsi_vpd_block_characteristics *bdc; 3358 3359 bdc = (struct scsi_vpd_block_characteristics *)csio->data_ptr; 3360 3361 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3362 /* 3363 * Disable queue sorting for non-rotational media 3364 * by default. 3365 */ 3366 u_int16_t old_rate = softc->disk->d_rotation_rate; 3367 3368 softc->disk->d_rotation_rate = 3369 scsi_2btoul(bdc->medium_rotation_rate); 3370 if (softc->disk->d_rotation_rate == 3371 SVPD_BDC_RATE_NON_ROTATING) { 3372 softc->sort_io_queue = 0; 3373 } 3374 if (softc->disk->d_rotation_rate != old_rate) { 3375 disk_attr_changed(softc->disk, 3376 "GEOM::rotation_rate", M_NOWAIT); 3377 } 3378 } else { 3379 int error; 3380 error = daerror(done_ccb, CAM_RETRY_SELTO, 3381 SF_RETRY_UA|SF_NO_PRINT); 3382 if (error == ERESTART) 3383 return; 3384 else if (error != 0) { 3385 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3386 /* Don't wedge this device's queue */ 3387 cam_release_devq(done_ccb->ccb_h.path, 3388 /*relsim_flags*/0, 3389 /*reduction*/0, 3390 /*timeout*/0, 3391 /*getcount_only*/0); 3392 } 3393 } 3394 } 3395 3396 free(bdc, M_SCSIDA); 3397 xpt_release_ccb(done_ccb); 3398 softc->state = DA_STATE_PROBE_ATA; 3399 xpt_schedule(periph, priority); 3400 return; 3401 } 3402 case DA_CCB_PROBE_ATA: 3403 { 3404 int i; 3405 struct ata_params *ata_params; 3406 int16_t *ptr; 3407 3408 ata_params = (struct ata_params *)csio->data_ptr; 3409 ptr = (uint16_t *)ata_params; 3410 3411 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 3412 uint16_t old_rate; 3413 3414 for (i = 0; i < sizeof(*ata_params) / 2; i++) 3415 ptr[i] = le16toh(ptr[i]); 3416 if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM) { 3417 dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1); 3418 if (ata_params->max_dsm_blocks != 0) 3419 softc->trim_max_ranges = min( 3420 softc->trim_max_ranges, 3421 ata_params->max_dsm_blocks * 3422 ATA_DSM_BLK_RANGES); 3423 } 3424 /* 3425 * Disable queue sorting for non-rotational media 3426 * by default. 3427 */ 3428 old_rate = softc->disk->d_rotation_rate; 3429 softc->disk->d_rotation_rate = 3430 ata_params->media_rotation_rate; 3431 if (softc->disk->d_rotation_rate == 3432 ATA_RATE_NON_ROTATING) { 3433 softc->sort_io_queue = 0; 3434 } 3435 3436 if (softc->disk->d_rotation_rate != old_rate) { 3437 disk_attr_changed(softc->disk, 3438 "GEOM::rotation_rate", M_NOWAIT); 3439 } 3440 } else { 3441 int error; 3442 error = daerror(done_ccb, CAM_RETRY_SELTO, 3443 SF_RETRY_UA|SF_NO_PRINT); 3444 if (error == ERESTART) 3445 return; 3446 else if (error != 0) { 3447 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 3448 /* Don't wedge this device's queue */ 3449 cam_release_devq(done_ccb->ccb_h.path, 3450 /*relsim_flags*/0, 3451 /*reduction*/0, 3452 /*timeout*/0, 3453 /*getcount_only*/0); 3454 } 3455 } 3456 } 3457 3458 free(ata_params, M_SCSIDA); 3459 daprobedone(periph, done_ccb); 3460 return; 3461 } 3462 case DA_CCB_DUMP: 3463 /* No-op. We're polling */ 3464 return; 3465 case DA_CCB_TUR: 3466 { 3467 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 3468 3469 if (daerror(done_ccb, CAM_RETRY_SELTO, 3470 SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) == 3471 ERESTART) 3472 return; 3473 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) 3474 cam_release_devq(done_ccb->ccb_h.path, 3475 /*relsim_flags*/0, 3476 /*reduction*/0, 3477 /*timeout*/0, 3478 /*getcount_only*/0); 3479 } 3480 xpt_release_ccb(done_ccb); 3481 cam_periph_release_locked(periph); 3482 return; 3483 } 3484 default: 3485 break; 3486 } 3487 xpt_release_ccb(done_ccb); 3488 } 3489 3490 static void 3491 dareprobe(struct cam_periph *periph) 3492 { 3493 struct da_softc *softc; 3494 cam_status status; 3495 3496 softc = (struct da_softc *)periph->softc; 3497 3498 /* Probe in progress; don't interfere. */ 3499 if (softc->state != DA_STATE_NORMAL) 3500 return; 3501 3502 status = cam_periph_acquire(periph); 3503 KASSERT(status == CAM_REQ_CMP, 3504 ("dareprobe: cam_periph_acquire failed")); 3505 3506 if (softc->flags & DA_FLAG_CAN_RC16) 3507 softc->state = DA_STATE_PROBE_RC16; 3508 else 3509 softc->state = DA_STATE_PROBE_RC; 3510 3511 xpt_schedule(periph, CAM_PRIORITY_DEV); 3512 } 3513 3514 static int 3515 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags) 3516 { 3517 struct da_softc *softc; 3518 struct cam_periph *periph; 3519 int error, error_code, sense_key, asc, ascq; 3520 3521 periph = xpt_path_periph(ccb->ccb_h.path); 3522 softc = (struct da_softc *)periph->softc; 3523 3524 /* 3525 * Automatically detect devices that do not support 3526 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs. 3527 */ 3528 error = 0; 3529 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) { 3530 error = cmd6workaround(ccb); 3531 } else if (scsi_extract_sense_ccb(ccb, 3532 &error_code, &sense_key, &asc, &ascq)) { 3533 if (sense_key == SSD_KEY_ILLEGAL_REQUEST) 3534 error = cmd6workaround(ccb); 3535 /* 3536 * If the target replied with CAPACITY DATA HAS CHANGED UA, 3537 * query the capacity and notify upper layers. 3538 */ 3539 else if (sense_key == SSD_KEY_UNIT_ATTENTION && 3540 asc == 0x2A && ascq == 0x09) { 3541 xpt_print(periph->path, "capacity data has changed\n"); 3542 dareprobe(periph); 3543 sense_flags |= SF_NO_PRINT; 3544 } else if (sense_key == SSD_KEY_UNIT_ATTENTION && 3545 asc == 0x28 && ascq == 0x00) 3546 disk_media_changed(softc->disk, M_NOWAIT); 3547 else if (sense_key == SSD_KEY_NOT_READY && 3548 asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) { 3549 softc->flags |= DA_FLAG_PACK_INVALID; 3550 disk_media_gone(softc->disk, M_NOWAIT); 3551 } 3552 } 3553 if (error == ERESTART) 3554 return (ERESTART); 3555 3556 /* 3557 * XXX 3558 * Until we have a better way of doing pack validation, 3559 * don't treat UAs as errors. 3560 */ 3561 sense_flags |= SF_RETRY_UA; 3562 return(cam_periph_error(ccb, cam_flags, sense_flags, 3563 &softc->saved_ccb)); 3564 } 3565 3566 static void 3567 damediapoll(void *arg) 3568 { 3569 struct cam_periph *periph = arg; 3570 struct da_softc *softc = periph->softc; 3571 3572 if (!softc->tur && LIST_EMPTY(&softc->pending_ccbs)) { 3573 if (cam_periph_acquire(periph) == CAM_REQ_CMP) { 3574 softc->tur = 1; 3575 daschedule(periph); 3576 } 3577 } 3578 /* Queue us up again */ 3579 if (da_poll_period != 0) 3580 callout_schedule(&softc->mediapoll_c, da_poll_period * hz); 3581 } 3582 3583 static void 3584 daprevent(struct cam_periph *periph, int action) 3585 { 3586 struct da_softc *softc; 3587 union ccb *ccb; 3588 int error; 3589 3590 softc = (struct da_softc *)periph->softc; 3591 3592 if (((action == PR_ALLOW) 3593 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0) 3594 || ((action == PR_PREVENT) 3595 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) { 3596 return; 3597 } 3598 3599 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3600 3601 scsi_prevent(&ccb->csio, 3602 /*retries*/1, 3603 /*cbcfp*/dadone, 3604 MSG_SIMPLE_Q_TAG, 3605 action, 3606 SSD_FULL_SIZE, 3607 5000); 3608 3609 error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO, 3610 SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat); 3611 3612 if (error == 0) { 3613 if (action == PR_ALLOW) 3614 softc->flags &= ~DA_FLAG_PACK_LOCKED; 3615 else 3616 softc->flags |= DA_FLAG_PACK_LOCKED; 3617 } 3618 3619 xpt_release_ccb(ccb); 3620 } 3621 3622 static void 3623 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector, 3624 struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len) 3625 { 3626 struct ccb_calc_geometry ccg; 3627 struct da_softc *softc; 3628 struct disk_params *dp; 3629 u_int lbppbe, lalba; 3630 int error; 3631 3632 softc = (struct da_softc *)periph->softc; 3633 3634 dp = &softc->params; 3635 dp->secsize = block_len; 3636 dp->sectors = maxsector + 1; 3637 if (rcaplong != NULL) { 3638 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE; 3639 lalba = scsi_2btoul(rcaplong->lalba_lbp); 3640 lalba &= SRC16_LALBA_A; 3641 } else { 3642 lbppbe = 0; 3643 lalba = 0; 3644 } 3645 3646 if (lbppbe > 0) { 3647 dp->stripesize = block_len << lbppbe; 3648 dp->stripeoffset = (dp->stripesize - block_len * lalba) % 3649 dp->stripesize; 3650 } else if (softc->quirks & DA_Q_4K) { 3651 dp->stripesize = 4096; 3652 dp->stripeoffset = 0; 3653 } else { 3654 dp->stripesize = 0; 3655 dp->stripeoffset = 0; 3656 } 3657 /* 3658 * Have the controller provide us with a geometry 3659 * for this disk. The only time the geometry 3660 * matters is when we boot and the controller 3661 * is the only one knowledgeable enough to come 3662 * up with something that will make this a bootable 3663 * device. 3664 */ 3665 xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 3666 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY; 3667 ccg.block_size = dp->secsize; 3668 ccg.volume_size = dp->sectors; 3669 ccg.heads = 0; 3670 ccg.secs_per_track = 0; 3671 ccg.cylinders = 0; 3672 xpt_action((union ccb*)&ccg); 3673 if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 3674 /* 3675 * We don't know what went wrong here- but just pick 3676 * a geometry so we don't have nasty things like divide 3677 * by zero. 3678 */ 3679 dp->heads = 255; 3680 dp->secs_per_track = 255; 3681 dp->cylinders = dp->sectors / (255 * 255); 3682 if (dp->cylinders == 0) { 3683 dp->cylinders = 1; 3684 } 3685 } else { 3686 dp->heads = ccg.heads; 3687 dp->secs_per_track = ccg.secs_per_track; 3688 dp->cylinders = ccg.cylinders; 3689 } 3690 3691 /* 3692 * If the user supplied a read capacity buffer, and if it is 3693 * different than the previous buffer, update the data in the EDT. 3694 * If it's the same, we don't bother. This avoids sending an 3695 * update every time someone opens this device. 3696 */ 3697 if ((rcaplong != NULL) 3698 && (bcmp(rcaplong, &softc->rcaplong, 3699 min(sizeof(softc->rcaplong), rcap_len)) != 0)) { 3700 struct ccb_dev_advinfo cdai; 3701 3702 xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 3703 cdai.ccb_h.func_code = XPT_DEV_ADVINFO; 3704 cdai.buftype = CDAI_TYPE_RCAPLONG; 3705 cdai.flags |= CDAI_FLAG_STORE; 3706 cdai.bufsiz = rcap_len; 3707 cdai.buf = (uint8_t *)rcaplong; 3708 xpt_action((union ccb *)&cdai); 3709 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0) 3710 cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE); 3711 if (cdai.ccb_h.status != CAM_REQ_CMP) { 3712 xpt_print(periph->path, "%s: failed to set read " 3713 "capacity advinfo\n", __func__); 3714 /* Use cam_error_print() to decode the status */ 3715 cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS, 3716 CAM_EPF_ALL); 3717 } else { 3718 bcopy(rcaplong, &softc->rcaplong, 3719 min(sizeof(softc->rcaplong), rcap_len)); 3720 } 3721 } 3722 3723 softc->disk->d_sectorsize = softc->params.secsize; 3724 softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors; 3725 softc->disk->d_stripesize = softc->params.stripesize; 3726 softc->disk->d_stripeoffset = softc->params.stripeoffset; 3727 /* XXX: these are not actually "firmware" values, so they may be wrong */ 3728 softc->disk->d_fwsectors = softc->params.secs_per_track; 3729 softc->disk->d_fwheads = softc->params.heads; 3730 softc->disk->d_devstat->block_size = softc->params.secsize; 3731 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE; 3732 3733 error = disk_resize(softc->disk, M_NOWAIT); 3734 if (error != 0) 3735 xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error); 3736 } 3737 3738 static void 3739 dasendorderedtag(void *arg) 3740 { 3741 struct da_softc *softc = arg; 3742 3743 if (da_send_ordered) { 3744 if (!LIST_EMPTY(&softc->pending_ccbs)) { 3745 if ((softc->flags & DA_FLAG_WAS_OTAG) == 0) 3746 softc->flags |= DA_FLAG_NEED_OTAG; 3747 softc->flags &= ~DA_FLAG_WAS_OTAG; 3748 } 3749 } 3750 /* Queue us up again */ 3751 callout_reset(&softc->sendordered_c, 3752 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL, 3753 dasendorderedtag, softc); 3754 } 3755 3756 /* 3757 * Step through all DA peripheral drivers, and if the device is still open, 3758 * sync the disk cache to physical media. 3759 */ 3760 static void 3761 dashutdown(void * arg, int howto) 3762 { 3763 struct cam_periph *periph; 3764 struct da_softc *softc; 3765 union ccb *ccb; 3766 int error; 3767 3768 CAM_PERIPH_FOREACH(periph, &dadriver) { 3769 softc = (struct da_softc *)periph->softc; 3770 if (SCHEDULER_STOPPED()) { 3771 /* If we paniced with the lock held, do not recurse. */ 3772 if (!cam_periph_owned(periph) && 3773 (softc->flags & DA_FLAG_OPEN)) { 3774 dadump(softc->disk, NULL, 0, 0, 0); 3775 } 3776 continue; 3777 } 3778 cam_periph_lock(periph); 3779 3780 /* 3781 * We only sync the cache if the drive is still open, and 3782 * if the drive is capable of it.. 3783 */ 3784 if (((softc->flags & DA_FLAG_OPEN) == 0) 3785 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) { 3786 cam_periph_unlock(periph); 3787 continue; 3788 } 3789 3790 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL); 3791 scsi_synchronize_cache(&ccb->csio, 3792 /*retries*/0, 3793 /*cbfcnp*/dadone, 3794 MSG_SIMPLE_Q_TAG, 3795 /*begin_lba*/0, /* whole disk */ 3796 /*lb_count*/0, 3797 SSD_FULL_SIZE, 3798 60 * 60 * 1000); 3799 3800 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0, 3801 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, 3802 softc->disk->d_devstat); 3803 if (error != 0) 3804 xpt_print(periph->path, "Synchronize cache failed\n"); 3805 xpt_release_ccb(ccb); 3806 cam_periph_unlock(periph); 3807 } 3808 } 3809 3810 #else /* !_KERNEL */ 3811 3812 /* 3813 * XXX This is only left out of the kernel build to silence warnings. If, 3814 * for some reason this function is used in the kernel, the ifdefs should 3815 * be moved so it is included both in the kernel and userland. 3816 */ 3817 void 3818 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries, 3819 void (*cbfcnp)(struct cam_periph *, union ccb *), 3820 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave, 3821 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3822 u_int32_t timeout) 3823 { 3824 struct scsi_format_unit *scsi_cmd; 3825 3826 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes; 3827 scsi_cmd->opcode = FORMAT_UNIT; 3828 scsi_cmd->byte2 = byte2; 3829 scsi_ulto2b(ileave, scsi_cmd->interleave); 3830 3831 cam_fill_csio(csio, 3832 retries, 3833 cbfcnp, 3834 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 3835 tag_action, 3836 data_ptr, 3837 dxfer_len, 3838 sense_len, 3839 sizeof(*scsi_cmd), 3840 timeout); 3841 } 3842 3843 void 3844 scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries, 3845 void (*cbfcnp)(struct cam_periph *, union ccb *), 3846 u_int8_t tag_action, u_int8_t byte2, u_int16_t control, 3847 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len, 3848 u_int32_t timeout) 3849 { 3850 struct scsi_sanitize *scsi_cmd; 3851 3852 scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes; 3853 scsi_cmd->opcode = SANITIZE; 3854 scsi_cmd->byte2 = byte2; 3855 scsi_cmd->control = control; 3856 scsi_ulto2b(dxfer_len, scsi_cmd->length); 3857 3858 cam_fill_csio(csio, 3859 retries, 3860 cbfcnp, 3861 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE, 3862 tag_action, 3863 data_ptr, 3864 dxfer_len, 3865 sense_len, 3866 sizeof(*scsi_cmd), 3867 timeout); 3868 } 3869 3870 #endif /* _KERNEL */ 3871