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