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