ata_xpt.c revision 270645
1/*- 2 * Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: stable/10/sys/cam/ata/ata_xpt.c 270645 2014-08-26 03:45:54Z imp $"); 29 30#include <sys/param.h> 31#include <sys/bus.h> 32#include <sys/endian.h> 33#include <sys/systm.h> 34#include <sys/types.h> 35#include <sys/malloc.h> 36#include <sys/kernel.h> 37#include <sys/time.h> 38#include <sys/conf.h> 39#include <sys/fcntl.h> 40#include <sys/interrupt.h> 41#include <sys/sbuf.h> 42 43#include <sys/lock.h> 44#include <sys/mutex.h> 45#include <sys/sysctl.h> 46 47#include <cam/cam.h> 48#include <cam/cam_ccb.h> 49#include <cam/cam_queue.h> 50#include <cam/cam_periph.h> 51#include <cam/cam_sim.h> 52#include <cam/cam_xpt.h> 53#include <cam/cam_xpt_sim.h> 54#include <cam/cam_xpt_periph.h> 55#include <cam/cam_xpt_internal.h> 56#include <cam/cam_debug.h> 57 58#include <cam/scsi/scsi_all.h> 59#include <cam/scsi/scsi_message.h> 60#include <cam/ata/ata_all.h> 61#include <machine/stdarg.h> /* for xpt_print below */ 62#include "opt_cam.h" 63 64struct ata_quirk_entry { 65 struct scsi_inquiry_pattern inq_pat; 66 u_int8_t quirks; 67#define CAM_QUIRK_MAXTAGS 0x01 68 u_int mintags; 69 u_int maxtags; 70}; 71 72static periph_init_t probe_periph_init; 73 74static struct periph_driver probe_driver = 75{ 76 probe_periph_init, "aprobe", 77 TAILQ_HEAD_INITIALIZER(probe_driver.units), /* generation */ 0, 78 CAM_PERIPH_DRV_EARLY 79}; 80 81PERIPHDRIVER_DECLARE(aprobe, probe_driver); 82 83typedef enum { 84 PROBE_RESET, 85 PROBE_IDENTIFY, 86 PROBE_SPINUP, 87 PROBE_SETMODE, 88 PROBE_SETPM, 89 PROBE_SETAPST, 90 PROBE_SETDMAAA, 91 PROBE_SETAN, 92 PROBE_SET_MULTI, 93 PROBE_INQUIRY, 94 PROBE_FULL_INQUIRY, 95 PROBE_PM_PID, 96 PROBE_PM_PRV, 97 PROBE_IDENTIFY_SES, 98 PROBE_IDENTIFY_SAFTE, 99 PROBE_DONE, 100 PROBE_INVALID 101} probe_action; 102 103static char *probe_action_text[] = { 104 "PROBE_RESET", 105 "PROBE_IDENTIFY", 106 "PROBE_SPINUP", 107 "PROBE_SETMODE", 108 "PROBE_SETPM", 109 "PROBE_SETAPST", 110 "PROBE_SETDMAAA", 111 "PROBE_SETAN", 112 "PROBE_SET_MULTI", 113 "PROBE_INQUIRY", 114 "PROBE_FULL_INQUIRY", 115 "PROBE_PM_PID", 116 "PROBE_PM_PRV", 117 "PROBE_IDENTIFY_SES", 118 "PROBE_IDENTIFY_SAFTE", 119 "PROBE_DONE", 120 "PROBE_INVALID" 121}; 122 123#define PROBE_SET_ACTION(softc, newaction) \ 124do { \ 125 char **text; \ 126 text = probe_action_text; \ 127 CAM_DEBUG((softc)->periph->path, CAM_DEBUG_PROBE, \ 128 ("Probe %s to %s\n", text[(softc)->action], \ 129 text[(newaction)])); \ 130 (softc)->action = (newaction); \ 131} while(0) 132 133typedef enum { 134 PROBE_NO_ANNOUNCE = 0x04 135} probe_flags; 136 137typedef struct { 138 TAILQ_HEAD(, ccb_hdr) request_ccbs; 139 struct ata_params ident_data; 140 probe_action action; 141 probe_flags flags; 142 uint32_t pm_pid; 143 uint32_t pm_prv; 144 int restart; 145 int spinup; 146 int faults; 147 u_int caps; 148 struct cam_periph *periph; 149} probe_softc; 150 151static struct ata_quirk_entry ata_quirk_table[] = 152{ 153 { 154 /* Default tagged queuing parameters for all devices */ 155 { 156 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 157 /*vendor*/"*", /*product*/"*", /*revision*/"*" 158 }, 159 /*quirks*/0, /*mintags*/0, /*maxtags*/0 160 }, 161}; 162 163static const int ata_quirk_table_size = 164 sizeof(ata_quirk_table) / sizeof(*ata_quirk_table); 165 166static cam_status proberegister(struct cam_periph *periph, 167 void *arg); 168static void probeschedule(struct cam_periph *probe_periph); 169static void probestart(struct cam_periph *periph, union ccb *start_ccb); 170static void proberequestdefaultnegotiation(struct cam_periph *periph); 171static void probedone(struct cam_periph *periph, union ccb *done_ccb); 172static void probecleanup(struct cam_periph *periph); 173static void ata_find_quirk(struct cam_ed *device); 174static void ata_scan_bus(struct cam_periph *periph, union ccb *ccb); 175static void ata_scan_lun(struct cam_periph *periph, 176 struct cam_path *path, cam_flags flags, 177 union ccb *ccb); 178static void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 179static struct cam_ed * 180 ata_alloc_device(struct cam_eb *bus, struct cam_et *target, 181 lun_id_t lun_id); 182static void ata_device_transport(struct cam_path *path); 183static void ata_get_transfer_settings(struct ccb_trans_settings *cts); 184static void ata_set_transfer_settings(struct ccb_trans_settings *cts, 185 struct cam_path *path, 186 int async_update); 187static void ata_dev_async(u_int32_t async_code, 188 struct cam_eb *bus, 189 struct cam_et *target, 190 struct cam_ed *device, 191 void *async_arg); 192static void ata_action(union ccb *start_ccb); 193static void ata_announce_periph(struct cam_periph *periph); 194 195static int ata_dma = 1; 196static int atapi_dma = 1; 197 198TUNABLE_INT("hw.ata.ata_dma", &ata_dma); 199TUNABLE_INT("hw.ata.atapi_dma", &atapi_dma); 200 201static struct xpt_xport ata_xport = { 202 .alloc_device = ata_alloc_device, 203 .action = ata_action, 204 .async = ata_dev_async, 205 .announce = ata_announce_periph, 206}; 207 208struct xpt_xport * 209ata_get_xport(void) 210{ 211 return (&ata_xport); 212} 213 214static void 215probe_periph_init() 216{ 217} 218 219static cam_status 220proberegister(struct cam_periph *periph, void *arg) 221{ 222 union ccb *request_ccb; /* CCB representing the probe request */ 223 cam_status status; 224 probe_softc *softc; 225 226 request_ccb = (union ccb *)arg; 227 if (request_ccb == NULL) { 228 printf("proberegister: no probe CCB, " 229 "can't register device\n"); 230 return(CAM_REQ_CMP_ERR); 231 } 232 233 softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_ZERO | M_NOWAIT); 234 235 if (softc == NULL) { 236 printf("proberegister: Unable to probe new device. " 237 "Unable to allocate softc\n"); 238 return(CAM_REQ_CMP_ERR); 239 } 240 TAILQ_INIT(&softc->request_ccbs); 241 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 242 periph_links.tqe); 243 softc->flags = 0; 244 periph->softc = softc; 245 softc->periph = periph; 246 softc->action = PROBE_INVALID; 247 status = cam_periph_acquire(periph); 248 if (status != CAM_REQ_CMP) { 249 return (status); 250 } 251 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe started\n")); 252 ata_device_transport(periph->path); 253 probeschedule(periph); 254 return(CAM_REQ_CMP); 255} 256 257static void 258probeschedule(struct cam_periph *periph) 259{ 260 union ccb *ccb; 261 probe_softc *softc; 262 263 softc = (probe_softc *)periph->softc; 264 ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 265 266 if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) || 267 periph->path->device->protocol == PROTO_SATAPM || 268 periph->path->device->protocol == PROTO_SEMB) 269 PROBE_SET_ACTION(softc, PROBE_RESET); 270 else 271 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 272 273 if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 274 softc->flags |= PROBE_NO_ANNOUNCE; 275 else 276 softc->flags &= ~PROBE_NO_ANNOUNCE; 277 278 xpt_schedule(periph, CAM_PRIORITY_XPT); 279} 280 281static void 282probestart(struct cam_periph *periph, union ccb *start_ccb) 283{ 284 struct ccb_trans_settings cts; 285 struct ccb_ataio *ataio; 286 struct ccb_scsiio *csio; 287 probe_softc *softc; 288 struct cam_path *path; 289 struct ata_params *ident_buf; 290 291 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n")); 292 293 softc = (probe_softc *)periph->softc; 294 path = start_ccb->ccb_h.path; 295 ataio = &start_ccb->ataio; 296 csio = &start_ccb->csio; 297 ident_buf = &periph->path->device->ident_data; 298 299 if (softc->restart) { 300 softc->restart = 0; 301 if ((path->device->flags & CAM_DEV_UNCONFIGURED) || 302 path->device->protocol == PROTO_SATAPM || 303 path->device->protocol == PROTO_SEMB) 304 softc->action = PROBE_RESET; 305 else 306 softc->action = PROBE_IDENTIFY; 307 } 308 switch (softc->action) { 309 case PROBE_RESET: 310 cam_fill_ataio(ataio, 311 0, 312 probedone, 313 /*flags*/CAM_DIR_NONE, 314 0, 315 /*data_ptr*/NULL, 316 /*dxfer_len*/0, 317 15 * 1000); 318 ata_reset_cmd(ataio); 319 break; 320 case PROBE_IDENTIFY: 321 cam_fill_ataio(ataio, 322 1, 323 probedone, 324 /*flags*/CAM_DIR_IN, 325 0, 326 /*data_ptr*/(u_int8_t *)&softc->ident_data, 327 /*dxfer_len*/sizeof(softc->ident_data), 328 30 * 1000); 329 if (periph->path->device->protocol == PROTO_ATA) 330 ata_28bit_cmd(ataio, ATA_ATA_IDENTIFY, 0, 0, 0); 331 else 332 ata_28bit_cmd(ataio, ATA_ATAPI_IDENTIFY, 0, 0, 0); 333 break; 334 case PROBE_SPINUP: 335 if (bootverbose) 336 xpt_print(path, "Spinning up device\n"); 337 cam_fill_ataio(ataio, 338 1, 339 probedone, 340 /*flags*/CAM_DIR_NONE | CAM_HIGH_POWER, 341 0, 342 /*data_ptr*/NULL, 343 /*dxfer_len*/0, 344 30 * 1000); 345 ata_28bit_cmd(ataio, ATA_SETFEATURES, ATA_SF_PUIS_SPINUP, 0, 0); 346 break; 347 case PROBE_SETMODE: 348 { 349 int mode, wantmode; 350 351 mode = 0; 352 /* Fetch user modes from SIM. */ 353 bzero(&cts, sizeof(cts)); 354 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 355 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 356 cts.type = CTS_TYPE_USER_SETTINGS; 357 xpt_action((union ccb *)&cts); 358 if (path->device->transport == XPORT_ATA) { 359 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_MODE) 360 mode = cts.xport_specific.ata.mode; 361 } else { 362 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_MODE) 363 mode = cts.xport_specific.sata.mode; 364 } 365 if (periph->path->device->protocol == PROTO_ATA) { 366 if (ata_dma == 0 && (mode == 0 || mode > ATA_PIO_MAX)) 367 mode = ATA_PIO_MAX; 368 } else { 369 if (atapi_dma == 0 && (mode == 0 || mode > ATA_PIO_MAX)) 370 mode = ATA_PIO_MAX; 371 } 372negotiate: 373 /* Honor device capabilities. */ 374 wantmode = mode = ata_max_mode(ident_buf, mode); 375 /* Report modes to SIM. */ 376 bzero(&cts, sizeof(cts)); 377 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 378 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 379 cts.type = CTS_TYPE_CURRENT_SETTINGS; 380 if (path->device->transport == XPORT_ATA) { 381 cts.xport_specific.ata.mode = mode; 382 cts.xport_specific.ata.valid = CTS_ATA_VALID_MODE; 383 } else { 384 cts.xport_specific.sata.mode = mode; 385 cts.xport_specific.sata.valid = CTS_SATA_VALID_MODE; 386 } 387 xpt_action((union ccb *)&cts); 388 /* Fetch current modes from SIM. */ 389 bzero(&cts, sizeof(cts)); 390 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 391 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 392 cts.type = CTS_TYPE_CURRENT_SETTINGS; 393 xpt_action((union ccb *)&cts); 394 if (path->device->transport == XPORT_ATA) { 395 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_MODE) 396 mode = cts.xport_specific.ata.mode; 397 } else { 398 if (cts.xport_specific.ata.valid & CTS_SATA_VALID_MODE) 399 mode = cts.xport_specific.sata.mode; 400 } 401 /* If SIM disagree - renegotiate. */ 402 if (mode != wantmode) 403 goto negotiate; 404 /* Remember what transport thinks about DMA. */ 405 if (mode < ATA_DMA) 406 path->device->inq_flags &= ~SID_DMA; 407 else 408 path->device->inq_flags |= SID_DMA; 409 xpt_async(AC_GETDEV_CHANGED, path, NULL); 410 cam_fill_ataio(ataio, 411 1, 412 probedone, 413 /*flags*/CAM_DIR_NONE, 414 0, 415 /*data_ptr*/NULL, 416 /*dxfer_len*/0, 417 30 * 1000); 418 ata_28bit_cmd(ataio, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode); 419 break; 420 } 421 case PROBE_SETPM: 422 cam_fill_ataio(ataio, 423 1, 424 probedone, 425 CAM_DIR_NONE, 426 0, 427 NULL, 428 0, 429 30*1000); 430 ata_28bit_cmd(ataio, ATA_SETFEATURES, 431 (softc->caps & CTS_SATA_CAPS_H_PMREQ) ? 0x10 : 0x90, 432 0, 0x03); 433 break; 434 case PROBE_SETAPST: 435 cam_fill_ataio(ataio, 436 1, 437 probedone, 438 CAM_DIR_NONE, 439 0, 440 NULL, 441 0, 442 30*1000); 443 ata_28bit_cmd(ataio, ATA_SETFEATURES, 444 (softc->caps & CTS_SATA_CAPS_H_APST) ? 0x10 : 0x90, 445 0, 0x07); 446 break; 447 case PROBE_SETDMAAA: 448 cam_fill_ataio(ataio, 449 1, 450 probedone, 451 CAM_DIR_NONE, 452 0, 453 NULL, 454 0, 455 30*1000); 456 ata_28bit_cmd(ataio, ATA_SETFEATURES, 457 (softc->caps & CTS_SATA_CAPS_H_DMAAA) ? 0x10 : 0x90, 458 0, 0x02); 459 break; 460 case PROBE_SETAN: 461 /* Remember what transport thinks about AEN. */ 462 if (softc->caps & CTS_SATA_CAPS_H_AN) 463 path->device->inq_flags |= SID_AEN; 464 else 465 path->device->inq_flags &= ~SID_AEN; 466 xpt_async(AC_GETDEV_CHANGED, path, NULL); 467 cam_fill_ataio(ataio, 468 1, 469 probedone, 470 CAM_DIR_NONE, 471 0, 472 NULL, 473 0, 474 30*1000); 475 ata_28bit_cmd(ataio, ATA_SETFEATURES, 476 (softc->caps & CTS_SATA_CAPS_H_AN) ? 0x10 : 0x90, 477 0, 0x05); 478 break; 479 case PROBE_SET_MULTI: 480 { 481 u_int sectors, bytecount; 482 483 bytecount = 8192; /* SATA maximum */ 484 /* Fetch user bytecount from SIM. */ 485 bzero(&cts, sizeof(cts)); 486 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 487 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 488 cts.type = CTS_TYPE_USER_SETTINGS; 489 xpt_action((union ccb *)&cts); 490 if (path->device->transport == XPORT_ATA) { 491 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 492 bytecount = cts.xport_specific.ata.bytecount; 493 } else { 494 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 495 bytecount = cts.xport_specific.sata.bytecount; 496 } 497 /* Honor device capabilities. */ 498 sectors = max(1, min(ident_buf->sectors_intr & 0xff, 499 bytecount / ata_logical_sector_size(ident_buf))); 500 /* Report bytecount to SIM. */ 501 bzero(&cts, sizeof(cts)); 502 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 503 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 504 cts.type = CTS_TYPE_CURRENT_SETTINGS; 505 if (path->device->transport == XPORT_ATA) { 506 cts.xport_specific.ata.bytecount = sectors * 507 ata_logical_sector_size(ident_buf); 508 cts.xport_specific.ata.valid = CTS_ATA_VALID_BYTECOUNT; 509 } else { 510 cts.xport_specific.sata.bytecount = sectors * 511 ata_logical_sector_size(ident_buf); 512 cts.xport_specific.sata.valid = CTS_SATA_VALID_BYTECOUNT; 513 } 514 xpt_action((union ccb *)&cts); 515 /* Fetch current bytecount from SIM. */ 516 bzero(&cts, sizeof(cts)); 517 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 518 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 519 cts.type = CTS_TYPE_CURRENT_SETTINGS; 520 xpt_action((union ccb *)&cts); 521 if (path->device->transport == XPORT_ATA) { 522 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 523 bytecount = cts.xport_specific.ata.bytecount; 524 } else { 525 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 526 bytecount = cts.xport_specific.sata.bytecount; 527 } 528 sectors = bytecount / ata_logical_sector_size(ident_buf); 529 530 cam_fill_ataio(ataio, 531 1, 532 probedone, 533 CAM_DIR_NONE, 534 0, 535 NULL, 536 0, 537 30*1000); 538 ata_28bit_cmd(ataio, ATA_SET_MULTI, 0, 0, sectors); 539 break; 540 } 541 case PROBE_INQUIRY: 542 { 543 u_int bytecount; 544 545 bytecount = 8192; /* SATA maximum */ 546 /* Fetch user bytecount from SIM. */ 547 bzero(&cts, sizeof(cts)); 548 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 549 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 550 cts.type = CTS_TYPE_USER_SETTINGS; 551 xpt_action((union ccb *)&cts); 552 if (path->device->transport == XPORT_ATA) { 553 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 554 bytecount = cts.xport_specific.ata.bytecount; 555 } else { 556 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 557 bytecount = cts.xport_specific.sata.bytecount; 558 } 559 /* Honor device capabilities. */ 560 bytecount &= ~1; 561 bytecount = max(2, min(65534, bytecount)); 562 if (ident_buf->satacapabilities != 0x0000 && 563 ident_buf->satacapabilities != 0xffff) { 564 bytecount = min(8192, bytecount); 565 } 566 /* Report bytecount to SIM. */ 567 bzero(&cts, sizeof(cts)); 568 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 569 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 570 cts.type = CTS_TYPE_CURRENT_SETTINGS; 571 if (path->device->transport == XPORT_ATA) { 572 cts.xport_specific.ata.bytecount = bytecount; 573 cts.xport_specific.ata.valid = CTS_ATA_VALID_BYTECOUNT; 574 } else { 575 cts.xport_specific.sata.bytecount = bytecount; 576 cts.xport_specific.sata.valid = CTS_SATA_VALID_BYTECOUNT; 577 } 578 xpt_action((union ccb *)&cts); 579 /* FALLTHROUGH */ 580 } 581 case PROBE_FULL_INQUIRY: 582 { 583 u_int inquiry_len; 584 struct scsi_inquiry_data *inq_buf = 585 &periph->path->device->inq_data; 586 587 if (softc->action == PROBE_INQUIRY) 588 inquiry_len = SHORT_INQUIRY_LENGTH; 589 else 590 inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 591 /* 592 * Some parallel SCSI devices fail to send an 593 * ignore wide residue message when dealing with 594 * odd length inquiry requests. Round up to be 595 * safe. 596 */ 597 inquiry_len = roundup2(inquiry_len, 2); 598 scsi_inquiry(csio, 599 /*retries*/1, 600 probedone, 601 MSG_SIMPLE_Q_TAG, 602 (u_int8_t *)inq_buf, 603 inquiry_len, 604 /*evpd*/FALSE, 605 /*page_code*/0, 606 SSD_MIN_SIZE, 607 /*timeout*/60 * 1000); 608 break; 609 } 610 case PROBE_PM_PID: 611 cam_fill_ataio(ataio, 612 1, 613 probedone, 614 /*flags*/CAM_DIR_NONE, 615 0, 616 /*data_ptr*/NULL, 617 /*dxfer_len*/0, 618 10 * 1000); 619 ata_pm_read_cmd(ataio, 0, 15); 620 break; 621 case PROBE_PM_PRV: 622 cam_fill_ataio(ataio, 623 1, 624 probedone, 625 /*flags*/CAM_DIR_NONE, 626 0, 627 /*data_ptr*/NULL, 628 /*dxfer_len*/0, 629 10 * 1000); 630 ata_pm_read_cmd(ataio, 1, 15); 631 break; 632 case PROBE_IDENTIFY_SES: 633 cam_fill_ataio(ataio, 634 1, 635 probedone, 636 /*flags*/CAM_DIR_IN, 637 0, 638 /*data_ptr*/(u_int8_t *)&softc->ident_data, 639 /*dxfer_len*/sizeof(softc->ident_data), 640 30 * 1000); 641 ata_28bit_cmd(ataio, ATA_SEP_ATTN, 0xEC, 0x02, 642 sizeof(softc->ident_data) / 4); 643 break; 644 case PROBE_IDENTIFY_SAFTE: 645 cam_fill_ataio(ataio, 646 1, 647 probedone, 648 /*flags*/CAM_DIR_IN, 649 0, 650 /*data_ptr*/(u_int8_t *)&softc->ident_data, 651 /*dxfer_len*/sizeof(softc->ident_data), 652 30 * 1000); 653 ata_28bit_cmd(ataio, ATA_SEP_ATTN, 0xEC, 0x00, 654 sizeof(softc->ident_data) / 4); 655 break; 656 default: 657 panic("probestart: invalid action state 0x%x\n", softc->action); 658 } 659 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 660 xpt_action(start_ccb); 661} 662 663static void 664proberequestdefaultnegotiation(struct cam_periph *periph) 665{ 666 struct ccb_trans_settings cts; 667 668 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 669 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 670 cts.type = CTS_TYPE_USER_SETTINGS; 671 xpt_action((union ccb *)&cts); 672 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 673 return; 674 cts.xport_specific.valid = 0; 675 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 676 cts.type = CTS_TYPE_CURRENT_SETTINGS; 677 xpt_action((union ccb *)&cts); 678} 679 680static void 681probedone(struct cam_periph *periph, union ccb *done_ccb) 682{ 683 struct ccb_trans_settings cts; 684 struct ata_params *ident_buf; 685 struct scsi_inquiry_data *inq_buf; 686 probe_softc *softc; 687 struct cam_path *path; 688 cam_status status; 689 u_int32_t priority; 690 u_int caps; 691 int changed = 1, found = 1; 692 static const uint8_t fake_device_id_hdr[8] = 693 {0, SVPD_DEVICE_ID, 0, 12, 694 SVPD_ID_CODESET_BINARY, SVPD_ID_TYPE_NAA, 0, 8}; 695 696 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 697 698 softc = (probe_softc *)periph->softc; 699 path = done_ccb->ccb_h.path; 700 priority = done_ccb->ccb_h.pinfo.priority; 701 ident_buf = &path->device->ident_data; 702 inq_buf = &path->device->inq_data; 703 704 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 705 if (cam_periph_error(done_ccb, 706 0, softc->restart ? (SF_NO_RECOVERY | SF_NO_RETRY) : 0, 707 NULL) == ERESTART) { 708out: 709 /* Drop freeze taken due to CAM_DEV_QFREEZE flag set. */ 710 cam_release_devq(path, 0, 0, 0, FALSE); 711 return; 712 } 713 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 714 /* Don't wedge the queue */ 715 xpt_release_devq(path, /*count*/1, /*run_queue*/TRUE); 716 } 717 status = done_ccb->ccb_h.status & CAM_STATUS_MASK; 718 if (softc->restart) { 719 softc->faults++; 720 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == 721 CAM_CMD_TIMEOUT) 722 softc->faults += 4; 723 if (softc->faults < 10) 724 goto done; 725 else 726 softc->restart = 0; 727 728 /* Old PIO2 devices may not support mode setting. */ 729 } else if (softc->action == PROBE_SETMODE && 730 status == CAM_ATA_STATUS_ERROR && 731 ata_max_pmode(ident_buf) <= ATA_PIO2 && 732 (ident_buf->capabilities1 & ATA_SUPPORT_IORDY) == 0) { 733 goto noerror; 734 735 /* 736 * Some old WD SATA disks report supported and enabled 737 * device-initiated interface power management, but return 738 * ABORT on attempt to disable it. 739 */ 740 } else if (softc->action == PROBE_SETPM && 741 status == CAM_ATA_STATUS_ERROR) { 742 goto noerror; 743 744 /* 745 * Some HP SATA disks report supported DMA Auto-Activation, 746 * but return ABORT on attempt to enable it. 747 */ 748 } else if (softc->action == PROBE_SETDMAAA && 749 status == CAM_ATA_STATUS_ERROR) { 750 goto noerror; 751 752 /* 753 * SES and SAF-TE SEPs have different IDENTIFY commands, 754 * but SATA specification doesn't tell how to identify them. 755 * Until better way found, just try another if first fail. 756 */ 757 } else if (softc->action == PROBE_IDENTIFY_SES && 758 status == CAM_ATA_STATUS_ERROR) { 759 PROBE_SET_ACTION(softc, PROBE_IDENTIFY_SAFTE); 760 xpt_release_ccb(done_ccb); 761 xpt_schedule(periph, priority); 762 goto out; 763 } 764 765 /* 766 * If we get to this point, we got an error status back 767 * from the inquiry and the error status doesn't require 768 * automatically retrying the command. Therefore, the 769 * inquiry failed. If we had inquiry information before 770 * for this device, but this latest inquiry command failed, 771 * the device has probably gone away. If this device isn't 772 * already marked unconfigured, notify the peripheral 773 * drivers that this device is no more. 774 */ 775device_fail: if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 776 xpt_async(AC_LOST_DEVICE, path, NULL); 777 PROBE_SET_ACTION(softc, PROBE_INVALID); 778 found = 0; 779 goto done; 780 } 781noerror: 782 if (softc->restart) 783 goto done; 784 switch (softc->action) { 785 case PROBE_RESET: 786 { 787 int sign = (done_ccb->ataio.res.lba_high << 8) + 788 done_ccb->ataio.res.lba_mid; 789 CAM_DEBUG(path, CAM_DEBUG_PROBE, 790 ("SIGNATURE: %04x\n", sign)); 791 if (sign == 0x0000 && 792 done_ccb->ccb_h.target_id != 15) { 793 path->device->protocol = PROTO_ATA; 794 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 795 } else if (sign == 0x9669 && 796 done_ccb->ccb_h.target_id == 15) { 797 /* Report SIM that PM is present. */ 798 bzero(&cts, sizeof(cts)); 799 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 800 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 801 cts.type = CTS_TYPE_CURRENT_SETTINGS; 802 cts.xport_specific.sata.pm_present = 1; 803 cts.xport_specific.sata.valid = CTS_SATA_VALID_PM; 804 xpt_action((union ccb *)&cts); 805 path->device->protocol = PROTO_SATAPM; 806 PROBE_SET_ACTION(softc, PROBE_PM_PID); 807 } else if (sign == 0xc33c && 808 done_ccb->ccb_h.target_id != 15) { 809 path->device->protocol = PROTO_SEMB; 810 PROBE_SET_ACTION(softc, PROBE_IDENTIFY_SES); 811 } else if (sign == 0xeb14 && 812 done_ccb->ccb_h.target_id != 15) { 813 path->device->protocol = PROTO_SCSI; 814 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 815 } else { 816 if (done_ccb->ccb_h.target_id != 15) { 817 xpt_print(path, 818 "Unexpected signature 0x%04x\n", sign); 819 } 820 goto device_fail; 821 } 822 xpt_release_ccb(done_ccb); 823 xpt_schedule(periph, priority); 824 goto out; 825 } 826 case PROBE_IDENTIFY: 827 { 828 struct ccb_pathinq cpi; 829 int16_t *ptr; 830 831 ident_buf = &softc->ident_data; 832 for (ptr = (int16_t *)ident_buf; 833 ptr < (int16_t *)ident_buf + sizeof(struct ata_params)/2; ptr++) { 834 *ptr = le16toh(*ptr); 835 } 836 if (strncmp(ident_buf->model, "FX", 2) && 837 strncmp(ident_buf->model, "NEC", 3) && 838 strncmp(ident_buf->model, "Pioneer", 7) && 839 strncmp(ident_buf->model, "SHARP", 5)) { 840 ata_bswap(ident_buf->model, sizeof(ident_buf->model)); 841 ata_bswap(ident_buf->revision, sizeof(ident_buf->revision)); 842 ata_bswap(ident_buf->serial, sizeof(ident_buf->serial)); 843 } 844 ata_btrim(ident_buf->model, sizeof(ident_buf->model)); 845 ata_bpack(ident_buf->model, ident_buf->model, sizeof(ident_buf->model)); 846 ata_btrim(ident_buf->revision, sizeof(ident_buf->revision)); 847 ata_bpack(ident_buf->revision, ident_buf->revision, sizeof(ident_buf->revision)); 848 ata_btrim(ident_buf->serial, sizeof(ident_buf->serial)); 849 ata_bpack(ident_buf->serial, ident_buf->serial, sizeof(ident_buf->serial)); 850 /* Device may need spin-up before IDENTIFY become valid. */ 851 if ((ident_buf->specconf == 0x37c8 || 852 ident_buf->specconf == 0x738c) && 853 ((ident_buf->config & ATA_RESP_INCOMPLETE) || 854 softc->spinup == 0)) { 855 PROBE_SET_ACTION(softc, PROBE_SPINUP); 856 xpt_release_ccb(done_ccb); 857 xpt_schedule(periph, priority); 858 goto out; 859 } 860 ident_buf = &path->device->ident_data; 861 if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 862 /* Check that it is the same device. */ 863 if (bcmp(softc->ident_data.model, ident_buf->model, 864 sizeof(ident_buf->model)) || 865 bcmp(softc->ident_data.revision, ident_buf->revision, 866 sizeof(ident_buf->revision)) || 867 bcmp(softc->ident_data.serial, ident_buf->serial, 868 sizeof(ident_buf->serial))) { 869 /* Device changed. */ 870 xpt_async(AC_LOST_DEVICE, path, NULL); 871 } else { 872 bcopy(&softc->ident_data, ident_buf, sizeof(struct ata_params)); 873 changed = 0; 874 } 875 } 876 if (changed) { 877 bcopy(&softc->ident_data, ident_buf, sizeof(struct ata_params)); 878 /* Clean up from previous instance of this device */ 879 if (path->device->serial_num != NULL) { 880 free(path->device->serial_num, M_CAMXPT); 881 path->device->serial_num = NULL; 882 path->device->serial_num_len = 0; 883 } 884 if (path->device->device_id != NULL) { 885 free(path->device->device_id, M_CAMXPT); 886 path->device->device_id = NULL; 887 path->device->device_id_len = 0; 888 } 889 path->device->serial_num = 890 (u_int8_t *)malloc((sizeof(ident_buf->serial) + 1), 891 M_CAMXPT, M_NOWAIT); 892 if (path->device->serial_num != NULL) { 893 bcopy(ident_buf->serial, 894 path->device->serial_num, 895 sizeof(ident_buf->serial)); 896 path->device->serial_num[sizeof(ident_buf->serial)] 897 = '\0'; 898 path->device->serial_num_len = 899 strlen(path->device->serial_num); 900 } 901 if (ident_buf->enabled.extension & 902 ATA_SUPPORT_64BITWWN) { 903 path->device->device_id = 904 malloc(16, M_CAMXPT, M_NOWAIT); 905 if (path->device->device_id != NULL) { 906 path->device->device_id_len = 16; 907 bcopy(&fake_device_id_hdr, 908 path->device->device_id, 8); 909 bcopy(ident_buf->wwn, 910 path->device->device_id + 8, 8); 911 ata_bswap(path->device->device_id + 8, 8); 912 } 913 } 914 915 path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 916 xpt_async(AC_GETDEV_CHANGED, path, NULL); 917 } 918 if (ident_buf->satacapabilities & ATA_SUPPORT_NCQ) { 919 path->device->mintags = 2; 920 path->device->maxtags = 921 ATA_QUEUE_LEN(ident_buf->queue) + 1; 922 } 923 ata_find_quirk(path->device); 924 if (path->device->mintags != 0 && 925 path->bus->sim->max_tagged_dev_openings != 0) { 926 /* Check if the SIM does not want queued commands. */ 927 bzero(&cpi, sizeof(cpi)); 928 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 929 cpi.ccb_h.func_code = XPT_PATH_INQ; 930 xpt_action((union ccb *)&cpi); 931 if (cpi.ccb_h.status == CAM_REQ_CMP && 932 (cpi.hba_inquiry & PI_TAG_ABLE)) { 933 /* Report SIM which tags are allowed. */ 934 bzero(&cts, sizeof(cts)); 935 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 936 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 937 cts.type = CTS_TYPE_CURRENT_SETTINGS; 938 cts.xport_specific.sata.tags = path->device->maxtags; 939 cts.xport_specific.sata.valid = CTS_SATA_VALID_TAGS; 940 xpt_action((union ccb *)&cts); 941 } 942 } 943 ata_device_transport(path); 944 if (changed) 945 proberequestdefaultnegotiation(periph); 946 PROBE_SET_ACTION(softc, PROBE_SETMODE); 947 xpt_release_ccb(done_ccb); 948 xpt_schedule(periph, priority); 949 goto out; 950 } 951 case PROBE_SPINUP: 952 if (bootverbose) 953 xpt_print(path, "Spin-up done\n"); 954 softc->spinup = 1; 955 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 956 xpt_release_ccb(done_ccb); 957 xpt_schedule(periph, priority); 958 goto out; 959 case PROBE_SETMODE: 960 /* Set supported bits. */ 961 bzero(&cts, sizeof(cts)); 962 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 963 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 964 cts.type = CTS_TYPE_CURRENT_SETTINGS; 965 xpt_action((union ccb *)&cts); 966 if (path->device->transport == XPORT_SATA && 967 cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 968 caps = cts.xport_specific.sata.caps & CTS_SATA_CAPS_H; 969 else if (path->device->transport == XPORT_ATA && 970 cts.xport_specific.ata.valid & CTS_ATA_VALID_CAPS) 971 caps = cts.xport_specific.ata.caps & CTS_ATA_CAPS_H; 972 else 973 caps = 0; 974 if (path->device->transport == XPORT_SATA && 975 ident_buf->satacapabilities != 0xffff) { 976 if (ident_buf->satacapabilities & ATA_SUPPORT_IFPWRMNGTRCV) 977 caps |= CTS_SATA_CAPS_D_PMREQ; 978 if (ident_buf->satacapabilities & ATA_SUPPORT_HAPST) 979 caps |= CTS_SATA_CAPS_D_APST; 980 } 981 /* Mask unwanted bits. */ 982 bzero(&cts, sizeof(cts)); 983 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 984 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 985 cts.type = CTS_TYPE_USER_SETTINGS; 986 xpt_action((union ccb *)&cts); 987 if (path->device->transport == XPORT_SATA && 988 cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 989 caps &= cts.xport_specific.sata.caps; 990 else if (path->device->transport == XPORT_ATA && 991 cts.xport_specific.ata.valid & CTS_ATA_VALID_CAPS) 992 caps &= cts.xport_specific.ata.caps; 993 else 994 caps = 0; 995 /* 996 * Remember what transport thinks about 48-bit DMA. If 997 * capability information is not provided or transport is 998 * SATA, we take support for granted. 999 */ 1000 if (!(path->device->inq_flags & SID_DMA) || 1001 (path->device->transport == XPORT_ATA && 1002 (cts.xport_specific.ata.valid & CTS_ATA_VALID_CAPS) && 1003 !(caps & CTS_ATA_CAPS_H_DMA48))) 1004 path->device->inq_flags &= ~SID_DMA48; 1005 else 1006 path->device->inq_flags |= SID_DMA48; 1007 /* Store result to SIM. */ 1008 bzero(&cts, sizeof(cts)); 1009 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1010 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1011 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1012 if (path->device->transport == XPORT_SATA) { 1013 cts.xport_specific.sata.caps = caps; 1014 cts.xport_specific.sata.valid = CTS_SATA_VALID_CAPS; 1015 } else { 1016 cts.xport_specific.ata.caps = caps; 1017 cts.xport_specific.ata.valid = CTS_ATA_VALID_CAPS; 1018 } 1019 xpt_action((union ccb *)&cts); 1020 softc->caps = caps; 1021 if (path->device->transport != XPORT_SATA) 1022 goto notsata; 1023 if ((ident_buf->satasupport & ATA_SUPPORT_IFPWRMNGT) && 1024 (!(softc->caps & CTS_SATA_CAPS_H_PMREQ)) != 1025 (!(ident_buf->sataenabled & ATA_SUPPORT_IFPWRMNGT))) { 1026 PROBE_SET_ACTION(softc, PROBE_SETPM); 1027 xpt_release_ccb(done_ccb); 1028 xpt_schedule(periph, priority); 1029 goto out; 1030 } 1031 /* FALLTHROUGH */ 1032 case PROBE_SETPM: 1033 if (ident_buf->satacapabilities != 0xffff && 1034 (ident_buf->satacapabilities & ATA_SUPPORT_DAPST) && 1035 (!(softc->caps & CTS_SATA_CAPS_H_APST)) != 1036 (!(ident_buf->sataenabled & ATA_ENABLED_DAPST))) { 1037 PROBE_SET_ACTION(softc, PROBE_SETAPST); 1038 xpt_release_ccb(done_ccb); 1039 xpt_schedule(periph, priority); 1040 goto out; 1041 } 1042 /* FALLTHROUGH */ 1043 case PROBE_SETAPST: 1044 if ((ident_buf->satasupport & ATA_SUPPORT_AUTOACTIVATE) && 1045 (!(softc->caps & CTS_SATA_CAPS_H_DMAAA)) != 1046 (!(ident_buf->sataenabled & ATA_SUPPORT_AUTOACTIVATE))) { 1047 PROBE_SET_ACTION(softc, PROBE_SETDMAAA); 1048 xpt_release_ccb(done_ccb); 1049 xpt_schedule(periph, priority); 1050 goto out; 1051 } 1052 /* FALLTHROUGH */ 1053 case PROBE_SETDMAAA: 1054 if (path->device->protocol != PROTO_ATA && 1055 (ident_buf->satasupport & ATA_SUPPORT_ASYNCNOTIF) && 1056 (!(softc->caps & CTS_SATA_CAPS_H_AN)) != 1057 (!(ident_buf->sataenabled & ATA_SUPPORT_ASYNCNOTIF))) { 1058 PROBE_SET_ACTION(softc, PROBE_SETAN); 1059 xpt_release_ccb(done_ccb); 1060 xpt_schedule(periph, priority); 1061 goto out; 1062 } 1063 /* FALLTHROUGH */ 1064 case PROBE_SETAN: 1065notsata: 1066 if (path->device->protocol == PROTO_ATA) { 1067 PROBE_SET_ACTION(softc, PROBE_SET_MULTI); 1068 } else { 1069 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 1070 } 1071 xpt_release_ccb(done_ccb); 1072 xpt_schedule(periph, priority); 1073 goto out; 1074 case PROBE_SET_MULTI: 1075 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1076 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1077 xpt_acquire_device(path->device); 1078 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1079 xpt_action(done_ccb); 1080 xpt_async(AC_FOUND_DEVICE, path, done_ccb); 1081 } 1082 PROBE_SET_ACTION(softc, PROBE_DONE); 1083 break; 1084 case PROBE_INQUIRY: 1085 case PROBE_FULL_INQUIRY: 1086 { 1087 u_int8_t periph_qual, len; 1088 1089 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1090 1091 periph_qual = SID_QUAL(inq_buf); 1092 1093 if (periph_qual != SID_QUAL_LU_CONNECTED) 1094 break; 1095 1096 /* 1097 * We conservatively request only 1098 * SHORT_INQUIRY_LEN bytes of inquiry 1099 * information during our first try 1100 * at sending an INQUIRY. If the device 1101 * has more information to give, 1102 * perform a second request specifying 1103 * the amount of information the device 1104 * is willing to give. 1105 */ 1106 len = inq_buf->additional_length 1107 + offsetof(struct scsi_inquiry_data, additional_length) + 1; 1108 if (softc->action == PROBE_INQUIRY 1109 && len > SHORT_INQUIRY_LENGTH) { 1110 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1111 xpt_release_ccb(done_ccb); 1112 xpt_schedule(periph, priority); 1113 goto out; 1114 } 1115 1116 ata_device_transport(path); 1117 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1118 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1119 xpt_acquire_device(path->device); 1120 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1121 xpt_action(done_ccb); 1122 xpt_async(AC_FOUND_DEVICE, path, done_ccb); 1123 } 1124 PROBE_SET_ACTION(softc, PROBE_DONE); 1125 break; 1126 } 1127 case PROBE_PM_PID: 1128 if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) == 0) 1129 bzero(ident_buf, sizeof(*ident_buf)); 1130 softc->pm_pid = (done_ccb->ataio.res.lba_high << 24) + 1131 (done_ccb->ataio.res.lba_mid << 16) + 1132 (done_ccb->ataio.res.lba_low << 8) + 1133 done_ccb->ataio.res.sector_count; 1134 ((uint32_t *)ident_buf)[0] = softc->pm_pid; 1135 snprintf(ident_buf->model, sizeof(ident_buf->model), 1136 "Port Multiplier %08x", softc->pm_pid); 1137 PROBE_SET_ACTION(softc, PROBE_PM_PRV); 1138 xpt_release_ccb(done_ccb); 1139 xpt_schedule(periph, priority); 1140 goto out; 1141 case PROBE_PM_PRV: 1142 softc->pm_prv = (done_ccb->ataio.res.lba_high << 24) + 1143 (done_ccb->ataio.res.lba_mid << 16) + 1144 (done_ccb->ataio.res.lba_low << 8) + 1145 done_ccb->ataio.res.sector_count; 1146 ((uint32_t *)ident_buf)[1] = softc->pm_prv; 1147 snprintf(ident_buf->revision, sizeof(ident_buf->revision), 1148 "%04x", softc->pm_prv); 1149 path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 1150 ata_device_transport(path); 1151 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) 1152 proberequestdefaultnegotiation(periph); 1153 /* Set supported bits. */ 1154 bzero(&cts, sizeof(cts)); 1155 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1156 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1157 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1158 xpt_action((union ccb *)&cts); 1159 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1160 caps = cts.xport_specific.sata.caps & CTS_SATA_CAPS_H; 1161 else 1162 caps = 0; 1163 /* All PMPs must support PM requests. */ 1164 caps |= CTS_SATA_CAPS_D_PMREQ; 1165 /* Mask unwanted bits. */ 1166 bzero(&cts, sizeof(cts)); 1167 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1168 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1169 cts.type = CTS_TYPE_USER_SETTINGS; 1170 xpt_action((union ccb *)&cts); 1171 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1172 caps &= cts.xport_specific.sata.caps; 1173 else 1174 caps = 0; 1175 /* Remember what transport thinks about AEN. */ 1176 if ((caps & CTS_SATA_CAPS_H_AN) && path->device->protocol != PROTO_ATA) 1177 path->device->inq_flags |= SID_AEN; 1178 else 1179 path->device->inq_flags &= ~SID_AEN; 1180 /* Store result to SIM. */ 1181 bzero(&cts, sizeof(cts)); 1182 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1183 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1184 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1185 cts.xport_specific.sata.caps = caps; 1186 cts.xport_specific.sata.valid = CTS_SATA_VALID_CAPS; 1187 xpt_action((union ccb *)&cts); 1188 softc->caps = caps; 1189 xpt_async(AC_GETDEV_CHANGED, path, NULL); 1190 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1191 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1192 xpt_acquire_device(path->device); 1193 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1194 xpt_action(done_ccb); 1195 xpt_async(AC_FOUND_DEVICE, path, done_ccb); 1196 } else { 1197 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1198 xpt_action(done_ccb); 1199 xpt_async(AC_SCSI_AEN, path, done_ccb); 1200 } 1201 PROBE_SET_ACTION(softc, PROBE_DONE); 1202 break; 1203 case PROBE_IDENTIFY_SES: 1204 case PROBE_IDENTIFY_SAFTE: 1205 if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 1206 /* Check that it is the same device. */ 1207 if (bcmp(&softc->ident_data, ident_buf, 53)) { 1208 /* Device changed. */ 1209 xpt_async(AC_LOST_DEVICE, path, NULL); 1210 } else { 1211 bcopy(&softc->ident_data, ident_buf, sizeof(struct ata_params)); 1212 changed = 0; 1213 } 1214 } 1215 if (changed) { 1216 bcopy(&softc->ident_data, ident_buf, sizeof(struct ata_params)); 1217 /* Clean up from previous instance of this device */ 1218 if (path->device->device_id != NULL) { 1219 free(path->device->device_id, M_CAMXPT); 1220 path->device->device_id = NULL; 1221 path->device->device_id_len = 0; 1222 } 1223 path->device->device_id = 1224 malloc(16, M_CAMXPT, M_NOWAIT); 1225 if (path->device->device_id != NULL) { 1226 path->device->device_id_len = 16; 1227 bcopy(&fake_device_id_hdr, 1228 path->device->device_id, 8); 1229 bcopy(((uint8_t*)ident_buf) + 2, 1230 path->device->device_id + 8, 8); 1231 } 1232 1233 path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 1234 } 1235 ata_device_transport(path); 1236 if (changed) 1237 proberequestdefaultnegotiation(periph); 1238 1239 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1240 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1241 xpt_acquire_device(path->device); 1242 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1243 xpt_action(done_ccb); 1244 xpt_async(AC_FOUND_DEVICE, path, done_ccb); 1245 } 1246 PROBE_SET_ACTION(softc, PROBE_DONE); 1247 break; 1248 default: 1249 panic("probedone: invalid action state 0x%x\n", softc->action); 1250 } 1251done: 1252 if (softc->restart) { 1253 softc->restart = 0; 1254 xpt_release_ccb(done_ccb); 1255 probeschedule(periph); 1256 goto out; 1257 } 1258 xpt_release_ccb(done_ccb); 1259 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe completed\n")); 1260 while ((done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs))) { 1261 TAILQ_REMOVE(&softc->request_ccbs, 1262 &done_ccb->ccb_h, periph_links.tqe); 1263 done_ccb->ccb_h.status = found ? CAM_REQ_CMP : CAM_REQ_CMP_ERR; 1264 xpt_done(done_ccb); 1265 } 1266 /* Drop freeze taken due to CAM_DEV_QFREEZE flag set. */ 1267 cam_release_devq(path, 0, 0, 0, FALSE); 1268 cam_periph_invalidate(periph); 1269 cam_periph_release_locked(periph); 1270} 1271 1272static void 1273probecleanup(struct cam_periph *periph) 1274{ 1275 free(periph->softc, M_CAMXPT); 1276} 1277 1278static void 1279ata_find_quirk(struct cam_ed *device) 1280{ 1281 struct ata_quirk_entry *quirk; 1282 caddr_t match; 1283 1284 match = cam_quirkmatch((caddr_t)&device->ident_data, 1285 (caddr_t)ata_quirk_table, 1286 ata_quirk_table_size, 1287 sizeof(*ata_quirk_table), ata_identify_match); 1288 1289 if (match == NULL) 1290 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1291 1292 quirk = (struct ata_quirk_entry *)match; 1293 device->quirk = quirk; 1294 if (quirk->quirks & CAM_QUIRK_MAXTAGS) { 1295 device->mintags = quirk->mintags; 1296 device->maxtags = quirk->maxtags; 1297 } 1298} 1299 1300typedef struct { 1301 union ccb *request_ccb; 1302 struct ccb_pathinq *cpi; 1303 int counter; 1304} ata_scan_bus_info; 1305 1306/* 1307 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1308 * As the scan progresses, xpt_scan_bus is used as the 1309 * callback on completion function. 1310 */ 1311static void 1312ata_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1313{ 1314 struct cam_path *path; 1315 ata_scan_bus_info *scan_info; 1316 union ccb *work_ccb, *reset_ccb; 1317 struct mtx *mtx; 1318 cam_status status; 1319 1320 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1321 ("xpt_scan_bus\n")); 1322 switch (request_ccb->ccb_h.func_code) { 1323 case XPT_SCAN_BUS: 1324 case XPT_SCAN_TGT: 1325 /* Find out the characteristics of the bus */ 1326 work_ccb = xpt_alloc_ccb_nowait(); 1327 if (work_ccb == NULL) { 1328 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1329 xpt_done(request_ccb); 1330 return; 1331 } 1332 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1333 request_ccb->ccb_h.pinfo.priority); 1334 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1335 xpt_action(work_ccb); 1336 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1337 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1338 xpt_free_ccb(work_ccb); 1339 xpt_done(request_ccb); 1340 return; 1341 } 1342 1343 /* We may need to reset bus first, if we haven't done it yet. */ 1344 if ((work_ccb->cpi.hba_inquiry & 1345 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1346 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1347 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset)) { 1348 reset_ccb = xpt_alloc_ccb_nowait(); 1349 if (reset_ccb == NULL) { 1350 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1351 xpt_free_ccb(work_ccb); 1352 xpt_done(request_ccb); 1353 return; 1354 } 1355 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1356 CAM_PRIORITY_NONE); 1357 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1358 xpt_action(reset_ccb); 1359 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1360 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1361 xpt_free_ccb(reset_ccb); 1362 xpt_free_ccb(work_ccb); 1363 xpt_done(request_ccb); 1364 return; 1365 } 1366 xpt_free_ccb(reset_ccb); 1367 } 1368 1369 /* Save some state for use while we probe for devices */ 1370 scan_info = (ata_scan_bus_info *) 1371 malloc(sizeof(ata_scan_bus_info), M_CAMXPT, M_NOWAIT); 1372 if (scan_info == NULL) { 1373 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1374 xpt_free_ccb(work_ccb); 1375 xpt_done(request_ccb); 1376 return; 1377 } 1378 scan_info->request_ccb = request_ccb; 1379 scan_info->cpi = &work_ccb->cpi; 1380 /* If PM supported, probe it first. */ 1381 if (scan_info->cpi->hba_inquiry & PI_SATAPM) 1382 scan_info->counter = scan_info->cpi->max_target; 1383 else 1384 scan_info->counter = 0; 1385 1386 work_ccb = xpt_alloc_ccb_nowait(); 1387 if (work_ccb == NULL) { 1388 free(scan_info, M_CAMXPT); 1389 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1390 xpt_done(request_ccb); 1391 break; 1392 } 1393 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 1394 goto scan_next; 1395 case XPT_SCAN_LUN: 1396 work_ccb = request_ccb; 1397 /* Reuse the same CCB to query if a device was really found */ 1398 scan_info = (ata_scan_bus_info *)work_ccb->ccb_h.ppriv_ptr0; 1399 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 1400 mtx_lock(mtx); 1401 /* If there is PMP... */ 1402 if ((scan_info->cpi->hba_inquiry & PI_SATAPM) && 1403 (scan_info->counter == scan_info->cpi->max_target)) { 1404 if (work_ccb->ccb_h.status == CAM_REQ_CMP) { 1405 /* everything else will be probed by it */ 1406 /* Free the current request path- we're done with it. */ 1407 xpt_free_path(work_ccb->ccb_h.path); 1408 goto done; 1409 } else { 1410 struct ccb_trans_settings cts; 1411 1412 /* Report SIM that PM is absent. */ 1413 bzero(&cts, sizeof(cts)); 1414 xpt_setup_ccb(&cts.ccb_h, 1415 work_ccb->ccb_h.path, CAM_PRIORITY_NONE); 1416 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1417 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1418 cts.xport_specific.sata.pm_present = 0; 1419 cts.xport_specific.sata.valid = CTS_SATA_VALID_PM; 1420 xpt_action((union ccb *)&cts); 1421 } 1422 } 1423 /* Free the current request path- we're done with it. */ 1424 xpt_free_path(work_ccb->ccb_h.path); 1425 if (scan_info->counter == 1426 ((scan_info->cpi->hba_inquiry & PI_SATAPM) ? 1427 0 : scan_info->cpi->max_target)) { 1428done: 1429 mtx_unlock(mtx); 1430 xpt_free_ccb(work_ccb); 1431 xpt_free_ccb((union ccb *)scan_info->cpi); 1432 request_ccb = scan_info->request_ccb; 1433 free(scan_info, M_CAMXPT); 1434 request_ccb->ccb_h.status = CAM_REQ_CMP; 1435 xpt_done(request_ccb); 1436 break; 1437 } 1438 /* Take next device. Wrap from max (PMP) to 0. */ 1439 scan_info->counter = (scan_info->counter + 1 ) % 1440 (scan_info->cpi->max_target + 1); 1441scan_next: 1442 status = xpt_create_path(&path, NULL, 1443 scan_info->request_ccb->ccb_h.path_id, 1444 scan_info->counter, 0); 1445 if (status != CAM_REQ_CMP) { 1446 if (request_ccb->ccb_h.func_code == XPT_SCAN_LUN) 1447 mtx_unlock(mtx); 1448 printf("xpt_scan_bus: xpt_create_path failed" 1449 " with status %#x, bus scan halted\n", 1450 status); 1451 xpt_free_ccb(work_ccb); 1452 xpt_free_ccb((union ccb *)scan_info->cpi); 1453 request_ccb = scan_info->request_ccb; 1454 free(scan_info, M_CAMXPT); 1455 request_ccb->ccb_h.status = status; 1456 xpt_done(request_ccb); 1457 break; 1458 } 1459 xpt_setup_ccb(&work_ccb->ccb_h, path, 1460 scan_info->request_ccb->ccb_h.pinfo.priority); 1461 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1462 work_ccb->ccb_h.cbfcnp = ata_scan_bus; 1463 work_ccb->ccb_h.flags |= CAM_UNLOCKED; 1464 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 1465 work_ccb->crcn.flags = scan_info->request_ccb->crcn.flags; 1466 mtx_unlock(mtx); 1467 if (request_ccb->ccb_h.func_code == XPT_SCAN_LUN) 1468 mtx = NULL; 1469 xpt_action(work_ccb); 1470 if (mtx != NULL) 1471 mtx_lock(mtx); 1472 break; 1473 default: 1474 break; 1475 } 1476} 1477 1478static void 1479ata_scan_lun(struct cam_periph *periph, struct cam_path *path, 1480 cam_flags flags, union ccb *request_ccb) 1481{ 1482 struct ccb_pathinq cpi; 1483 cam_status status; 1484 struct cam_path *new_path; 1485 struct cam_periph *old_periph; 1486 int lock; 1487 1488 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("xpt_scan_lun\n")); 1489 1490 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 1491 cpi.ccb_h.func_code = XPT_PATH_INQ; 1492 xpt_action((union ccb *)&cpi); 1493 1494 if (cpi.ccb_h.status != CAM_REQ_CMP) { 1495 if (request_ccb != NULL) { 1496 request_ccb->ccb_h.status = cpi.ccb_h.status; 1497 xpt_done(request_ccb); 1498 } 1499 return; 1500 } 1501 1502 if (request_ccb == NULL) { 1503 request_ccb = xpt_alloc_ccb_nowait(); 1504 if (request_ccb == NULL) { 1505 xpt_print(path, "xpt_scan_lun: can't allocate CCB, " 1506 "can't continue\n"); 1507 return; 1508 } 1509 status = xpt_create_path(&new_path, NULL, 1510 path->bus->path_id, 1511 path->target->target_id, 1512 path->device->lun_id); 1513 if (status != CAM_REQ_CMP) { 1514 xpt_print(path, "xpt_scan_lun: can't create path, " 1515 "can't continue\n"); 1516 xpt_free_ccb(request_ccb); 1517 return; 1518 } 1519 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 1520 request_ccb->ccb_h.cbfcnp = xptscandone; 1521 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 1522 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1523 request_ccb->crcn.flags = flags; 1524 } 1525 1526 lock = (xpt_path_owned(path) == 0); 1527 if (lock) 1528 xpt_path_lock(path); 1529 if ((old_periph = cam_periph_find(path, "aprobe")) != NULL) { 1530 if ((old_periph->flags & CAM_PERIPH_INVALID) == 0) { 1531 probe_softc *softc; 1532 1533 softc = (probe_softc *)old_periph->softc; 1534 TAILQ_INSERT_TAIL(&softc->request_ccbs, 1535 &request_ccb->ccb_h, periph_links.tqe); 1536 softc->restart = 1; 1537 } else { 1538 request_ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1539 xpt_done(request_ccb); 1540 } 1541 } else { 1542 status = cam_periph_alloc(proberegister, NULL, probecleanup, 1543 probestart, "aprobe", 1544 CAM_PERIPH_BIO, 1545 request_ccb->ccb_h.path, NULL, 0, 1546 request_ccb); 1547 1548 if (status != CAM_REQ_CMP) { 1549 xpt_print(path, "xpt_scan_lun: cam_alloc_periph " 1550 "returned an error, can't continue probe\n"); 1551 request_ccb->ccb_h.status = status; 1552 xpt_done(request_ccb); 1553 } 1554 } 1555 if (lock) 1556 xpt_path_unlock(path); 1557} 1558 1559static void 1560xptscandone(struct cam_periph *periph, union ccb *done_ccb) 1561{ 1562 1563 xpt_free_path(done_ccb->ccb_h.path); 1564 xpt_free_ccb(done_ccb); 1565} 1566 1567static struct cam_ed * 1568ata_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 1569{ 1570 struct ata_quirk_entry *quirk; 1571 struct cam_ed *device; 1572 1573 device = xpt_alloc_device(bus, target, lun_id); 1574 if (device == NULL) 1575 return (NULL); 1576 1577 /* 1578 * Take the default quirk entry until we have inquiry 1579 * data and can determine a better quirk to use. 1580 */ 1581 quirk = &ata_quirk_table[ata_quirk_table_size - 1]; 1582 device->quirk = (void *)quirk; 1583 device->mintags = 0; 1584 device->maxtags = 0; 1585 bzero(&device->inq_data, sizeof(device->inq_data)); 1586 device->inq_flags = 0; 1587 device->queue_flags = 0; 1588 device->serial_num = NULL; 1589 device->serial_num_len = 0; 1590 return (device); 1591} 1592 1593static void 1594ata_device_transport(struct cam_path *path) 1595{ 1596 struct ccb_pathinq cpi; 1597 struct ccb_trans_settings cts; 1598 struct scsi_inquiry_data *inq_buf = NULL; 1599 struct ata_params *ident_buf = NULL; 1600 1601 /* Get transport information from the SIM */ 1602 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 1603 cpi.ccb_h.func_code = XPT_PATH_INQ; 1604 xpt_action((union ccb *)&cpi); 1605 1606 path->device->transport = cpi.transport; 1607 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 1608 inq_buf = &path->device->inq_data; 1609 if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) != 0) 1610 ident_buf = &path->device->ident_data; 1611 if (path->device->protocol == PROTO_ATA) { 1612 path->device->protocol_version = ident_buf ? 1613 ata_version(ident_buf->version_major) : cpi.protocol_version; 1614 } else if (path->device->protocol == PROTO_SCSI) { 1615 path->device->protocol_version = inq_buf ? 1616 SID_ANSI_REV(inq_buf) : cpi.protocol_version; 1617 } 1618 path->device->transport_version = ident_buf ? 1619 ata_version(ident_buf->version_major) : cpi.transport_version; 1620 1621 /* Tell the controller what we think */ 1622 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1623 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1624 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1625 cts.transport = path->device->transport; 1626 cts.transport_version = path->device->transport_version; 1627 cts.protocol = path->device->protocol; 1628 cts.protocol_version = path->device->protocol_version; 1629 cts.proto_specific.valid = 0; 1630 if (ident_buf) { 1631 if (path->device->transport == XPORT_ATA) { 1632 cts.xport_specific.ata.atapi = 1633 (ident_buf->config == ATA_PROTO_CFA) ? 0 : 1634 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_16) ? 16 : 1635 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_12) ? 12 : 0; 1636 cts.xport_specific.ata.valid = CTS_ATA_VALID_ATAPI; 1637 } else { 1638 cts.xport_specific.sata.atapi = 1639 (ident_buf->config == ATA_PROTO_CFA) ? 0 : 1640 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_16) ? 16 : 1641 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_12) ? 12 : 0; 1642 cts.xport_specific.sata.valid = CTS_SATA_VALID_ATAPI; 1643 } 1644 } else 1645 cts.xport_specific.valid = 0; 1646 xpt_action((union ccb *)&cts); 1647} 1648 1649static void 1650ata_dev_advinfo(union ccb *start_ccb) 1651{ 1652 struct cam_ed *device; 1653 struct ccb_dev_advinfo *cdai; 1654 off_t amt; 1655 1656 start_ccb->ccb_h.status = CAM_REQ_INVALID; 1657 device = start_ccb->ccb_h.path->device; 1658 cdai = &start_ccb->cdai; 1659 switch(cdai->buftype) { 1660 case CDAI_TYPE_SCSI_DEVID: 1661 if (cdai->flags & CDAI_FLAG_STORE) 1662 return; 1663 cdai->provsiz = device->device_id_len; 1664 if (device->device_id_len == 0) 1665 break; 1666 amt = device->device_id_len; 1667 if (cdai->provsiz > cdai->bufsiz) 1668 amt = cdai->bufsiz; 1669 memcpy(cdai->buf, device->device_id, amt); 1670 break; 1671 case CDAI_TYPE_SERIAL_NUM: 1672 if (cdai->flags & CDAI_FLAG_STORE) 1673 return; 1674 cdai->provsiz = device->serial_num_len; 1675 if (device->serial_num_len == 0) 1676 break; 1677 amt = device->serial_num_len; 1678 if (cdai->provsiz > cdai->bufsiz) 1679 amt = cdai->bufsiz; 1680 memcpy(cdai->buf, device->serial_num, amt); 1681 break; 1682 case CDAI_TYPE_PHYS_PATH: 1683 if (cdai->flags & CDAI_FLAG_STORE) { 1684 if (device->physpath != NULL) 1685 free(device->physpath, M_CAMXPT); 1686 device->physpath_len = cdai->bufsiz; 1687 /* Clear existing buffer if zero length */ 1688 if (cdai->bufsiz == 0) 1689 break; 1690 device->physpath = malloc(cdai->bufsiz, M_CAMXPT, M_NOWAIT); 1691 if (device->physpath == NULL) { 1692 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 1693 return; 1694 } 1695 memcpy(device->physpath, cdai->buf, cdai->bufsiz); 1696 } else { 1697 cdai->provsiz = device->physpath_len; 1698 if (device->physpath_len == 0) 1699 break; 1700 amt = device->physpath_len; 1701 if (cdai->provsiz > cdai->bufsiz) 1702 amt = cdai->bufsiz; 1703 memcpy(cdai->buf, device->physpath, amt); 1704 } 1705 break; 1706 default: 1707 return; 1708 } 1709 start_ccb->ccb_h.status = CAM_REQ_CMP; 1710 1711 if (cdai->flags & CDAI_FLAG_STORE) { 1712 xpt_async(AC_ADVINFO_CHANGED, start_ccb->ccb_h.path, 1713 (void *)(uintptr_t)cdai->buftype); 1714 } 1715} 1716 1717static void 1718ata_action(union ccb *start_ccb) 1719{ 1720 1721 switch (start_ccb->ccb_h.func_code) { 1722 case XPT_SET_TRAN_SETTINGS: 1723 { 1724 ata_set_transfer_settings(&start_ccb->cts, 1725 start_ccb->ccb_h.path, 1726 /*async_update*/FALSE); 1727 break; 1728 } 1729 case XPT_SCAN_BUS: 1730 case XPT_SCAN_TGT: 1731 ata_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 1732 break; 1733 case XPT_SCAN_LUN: 1734 ata_scan_lun(start_ccb->ccb_h.path->periph, 1735 start_ccb->ccb_h.path, start_ccb->crcn.flags, 1736 start_ccb); 1737 break; 1738 case XPT_GET_TRAN_SETTINGS: 1739 { 1740 ata_get_transfer_settings(&start_ccb->cts); 1741 break; 1742 } 1743 case XPT_SCSI_IO: 1744 { 1745 struct cam_ed *device; 1746 u_int maxlen = 0; 1747 1748 device = start_ccb->ccb_h.path->device; 1749 if (device->protocol == PROTO_SCSI && 1750 (device->flags & CAM_DEV_IDENTIFY_DATA_VALID)) { 1751 uint16_t p = 1752 device->ident_data.config & ATA_PROTO_MASK; 1753 1754 maxlen = 1755 (device->ident_data.config == ATA_PROTO_CFA) ? 0 : 1756 (p == ATA_PROTO_ATAPI_16) ? 16 : 1757 (p == ATA_PROTO_ATAPI_12) ? 12 : 0; 1758 } 1759 if (start_ccb->csio.cdb_len > maxlen) { 1760 start_ccb->ccb_h.status = CAM_REQ_INVALID; 1761 xpt_done(start_ccb); 1762 break; 1763 } 1764 xpt_action_default(start_ccb); 1765 break; 1766 } 1767 case XPT_DEV_ADVINFO: 1768 { 1769 ata_dev_advinfo(start_ccb); 1770 break; 1771 } 1772 default: 1773 xpt_action_default(start_ccb); 1774 break; 1775 } 1776} 1777 1778static void 1779ata_get_transfer_settings(struct ccb_trans_settings *cts) 1780{ 1781 struct ccb_trans_settings_ata *ata; 1782 struct ccb_trans_settings_scsi *scsi; 1783 struct cam_ed *device; 1784 1785 device = cts->ccb_h.path->device; 1786 xpt_action_default((union ccb *)cts); 1787 1788 if (cts->protocol == PROTO_UNKNOWN || 1789 cts->protocol == PROTO_UNSPECIFIED) { 1790 cts->protocol = device->protocol; 1791 cts->protocol_version = device->protocol_version; 1792 } 1793 1794 if (cts->protocol == PROTO_ATA) { 1795 ata = &cts->proto_specific.ata; 1796 if ((ata->valid & CTS_ATA_VALID_TQ) == 0) { 1797 ata->valid |= CTS_ATA_VALID_TQ; 1798 if (cts->type == CTS_TYPE_USER_SETTINGS || 1799 (device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 || 1800 (device->inq_flags & SID_CmdQue) != 0) 1801 ata->flags |= CTS_ATA_FLAGS_TAG_ENB; 1802 } 1803 } 1804 if (cts->protocol == PROTO_SCSI) { 1805 scsi = &cts->proto_specific.scsi; 1806 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 1807 scsi->valid |= CTS_SCSI_VALID_TQ; 1808 if (cts->type == CTS_TYPE_USER_SETTINGS || 1809 (device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 || 1810 (device->inq_flags & SID_CmdQue) != 0) 1811 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 1812 } 1813 } 1814 1815 if (cts->transport == XPORT_UNKNOWN || 1816 cts->transport == XPORT_UNSPECIFIED) { 1817 cts->transport = device->transport; 1818 cts->transport_version = device->transport_version; 1819 } 1820} 1821 1822static void 1823ata_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_path *path, 1824 int async_update) 1825{ 1826 struct ccb_pathinq cpi; 1827 struct ccb_trans_settings_ata *ata; 1828 struct ccb_trans_settings_scsi *scsi; 1829 struct ata_params *ident_data; 1830 struct scsi_inquiry_data *inq_data; 1831 struct cam_ed *device; 1832 1833 if (path == NULL || (device = path->device) == NULL) { 1834 cts->ccb_h.status = CAM_PATH_INVALID; 1835 xpt_done((union ccb *)cts); 1836 return; 1837 } 1838 1839 if (cts->protocol == PROTO_UNKNOWN 1840 || cts->protocol == PROTO_UNSPECIFIED) { 1841 cts->protocol = device->protocol; 1842 cts->protocol_version = device->protocol_version; 1843 } 1844 1845 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 1846 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 1847 cts->protocol_version = device->protocol_version; 1848 1849 if (cts->protocol != device->protocol) { 1850 xpt_print(path, "Uninitialized Protocol %x:%x?\n", 1851 cts->protocol, device->protocol); 1852 cts->protocol = device->protocol; 1853 } 1854 1855 if (cts->protocol_version > device->protocol_version) { 1856 if (bootverbose) { 1857 xpt_print(path, "Down reving Protocol " 1858 "Version from %d to %d?\n", cts->protocol_version, 1859 device->protocol_version); 1860 } 1861 cts->protocol_version = device->protocol_version; 1862 } 1863 1864 if (cts->transport == XPORT_UNKNOWN 1865 || cts->transport == XPORT_UNSPECIFIED) { 1866 cts->transport = device->transport; 1867 cts->transport_version = device->transport_version; 1868 } 1869 1870 if (cts->transport_version == XPORT_VERSION_UNKNOWN 1871 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 1872 cts->transport_version = device->transport_version; 1873 1874 if (cts->transport != device->transport) { 1875 xpt_print(path, "Uninitialized Transport %x:%x?\n", 1876 cts->transport, device->transport); 1877 cts->transport = device->transport; 1878 } 1879 1880 if (cts->transport_version > device->transport_version) { 1881 if (bootverbose) { 1882 xpt_print(path, "Down reving Transport " 1883 "Version from %d to %d?\n", cts->transport_version, 1884 device->transport_version); 1885 } 1886 cts->transport_version = device->transport_version; 1887 } 1888 1889 ident_data = &device->ident_data; 1890 inq_data = &device->inq_data; 1891 if (cts->protocol == PROTO_ATA) 1892 ata = &cts->proto_specific.ata; 1893 else 1894 ata = NULL; 1895 if (cts->protocol == PROTO_SCSI) 1896 scsi = &cts->proto_specific.scsi; 1897 else 1898 scsi = NULL; 1899 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 1900 cpi.ccb_h.func_code = XPT_PATH_INQ; 1901 xpt_action((union ccb *)&cpi); 1902 1903 /* Sanity checking */ 1904 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 1905 || (ata && (ident_data->satacapabilities & ATA_SUPPORT_NCQ) == 0) 1906 || (scsi && (INQ_DATA_TQ_ENABLED(inq_data)) == 0) 1907 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 1908 || (device->mintags == 0)) { 1909 /* 1910 * Can't tag on hardware that doesn't support tags, 1911 * doesn't have it enabled, or has broken tag support. 1912 */ 1913 if (ata) 1914 ata->flags &= ~CTS_ATA_FLAGS_TAG_ENB; 1915 if (scsi) 1916 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1917 } 1918 1919 /* Start/stop tags use. */ 1920 if (cts->type == CTS_TYPE_CURRENT_SETTINGS && 1921 ((ata && (ata->valid & CTS_ATA_VALID_TQ) != 0) || 1922 (scsi && (scsi->valid & CTS_SCSI_VALID_TQ) != 0))) { 1923 int nowt, newt = 0; 1924 1925 nowt = ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 || 1926 (device->inq_flags & SID_CmdQue) != 0); 1927 if (ata) 1928 newt = (ata->flags & CTS_ATA_FLAGS_TAG_ENB) != 0; 1929 if (scsi) 1930 newt = (scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0; 1931 1932 if (newt && !nowt) { 1933 /* 1934 * Delay change to use tags until after a 1935 * few commands have gone to this device so 1936 * the controller has time to perform transfer 1937 * negotiations without tagged messages getting 1938 * in the way. 1939 */ 1940 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 1941 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 1942 } else if (nowt && !newt) 1943 xpt_stop_tags(path); 1944 } 1945 1946 if (async_update == FALSE) 1947 xpt_action_default((union ccb *)cts); 1948} 1949 1950/* 1951 * Handle any per-device event notifications that require action by the XPT. 1952 */ 1953static void 1954ata_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 1955 struct cam_ed *device, void *async_arg) 1956{ 1957 cam_status status; 1958 struct cam_path newpath; 1959 1960 /* 1961 * We only need to handle events for real devices. 1962 */ 1963 if (target->target_id == CAM_TARGET_WILDCARD 1964 || device->lun_id == CAM_LUN_WILDCARD) 1965 return; 1966 1967 /* 1968 * We need our own path with wildcards expanded to 1969 * handle certain types of events. 1970 */ 1971 if ((async_code == AC_SENT_BDR) 1972 || (async_code == AC_BUS_RESET) 1973 || (async_code == AC_INQ_CHANGED)) 1974 status = xpt_compile_path(&newpath, NULL, 1975 bus->path_id, 1976 target->target_id, 1977 device->lun_id); 1978 else 1979 status = CAM_REQ_CMP_ERR; 1980 1981 if (status == CAM_REQ_CMP) { 1982 if (async_code == AC_INQ_CHANGED) { 1983 /* 1984 * We've sent a start unit command, or 1985 * something similar to a device that 1986 * may have caused its inquiry data to 1987 * change. So we re-scan the device to 1988 * refresh the inquiry data for it. 1989 */ 1990 ata_scan_lun(newpath.periph, &newpath, 1991 CAM_EXPECT_INQ_CHANGE, NULL); 1992 } else { 1993 /* We need to reinitialize device after reset. */ 1994 ata_scan_lun(newpath.periph, &newpath, 1995 0, NULL); 1996 } 1997 xpt_release_path(&newpath); 1998 } else if (async_code == AC_LOST_DEVICE && 1999 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 2000 device->flags |= CAM_DEV_UNCONFIGURED; 2001 xpt_release_device(device); 2002 } else if (async_code == AC_TRANSFER_NEG) { 2003 struct ccb_trans_settings *settings; 2004 struct cam_path path; 2005 2006 settings = (struct ccb_trans_settings *)async_arg; 2007 xpt_compile_path(&path, NULL, bus->path_id, target->target_id, 2008 device->lun_id); 2009 ata_set_transfer_settings(settings, &path, 2010 /*async_update*/TRUE); 2011 xpt_release_path(&path); 2012 } 2013} 2014 2015static void 2016ata_announce_periph(struct cam_periph *periph) 2017{ 2018 struct ccb_pathinq cpi; 2019 struct ccb_trans_settings cts; 2020 struct cam_path *path = periph->path; 2021 u_int speed; 2022 u_int mb; 2023 2024 cam_periph_assert(periph, MA_OWNED); 2025 2026 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 2027 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2028 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2029 xpt_action((union ccb*)&cts); 2030 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 2031 return; 2032 /* Ask the SIM for its base transfer speed */ 2033 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 2034 cpi.ccb_h.func_code = XPT_PATH_INQ; 2035 xpt_action((union ccb *)&cpi); 2036 /* Report connection speed */ 2037 speed = cpi.base_transfer_speed; 2038 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_ATA) { 2039 struct ccb_trans_settings_pata *pata = 2040 &cts.xport_specific.ata; 2041 2042 if (pata->valid & CTS_ATA_VALID_MODE) 2043 speed = ata_mode2speed(pata->mode); 2044 } 2045 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SATA) { 2046 struct ccb_trans_settings_sata *sata = 2047 &cts.xport_specific.sata; 2048 2049 if (sata->valid & CTS_SATA_VALID_REVISION) 2050 speed = ata_revision2speed(sata->revision); 2051 } 2052 mb = speed / 1000; 2053 if (mb > 0) 2054 printf("%s%d: %d.%03dMB/s transfers", 2055 periph->periph_name, periph->unit_number, 2056 mb, speed % 1000); 2057 else 2058 printf("%s%d: %dKB/s transfers", periph->periph_name, 2059 periph->unit_number, speed); 2060 /* Report additional information about connection */ 2061 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_ATA) { 2062 struct ccb_trans_settings_pata *pata = 2063 &cts.xport_specific.ata; 2064 2065 printf(" ("); 2066 if (pata->valid & CTS_ATA_VALID_MODE) 2067 printf("%s, ", ata_mode2string(pata->mode)); 2068 if ((pata->valid & CTS_ATA_VALID_ATAPI) && pata->atapi != 0) 2069 printf("ATAPI %dbytes, ", pata->atapi); 2070 if (pata->valid & CTS_ATA_VALID_BYTECOUNT) 2071 printf("PIO %dbytes", pata->bytecount); 2072 printf(")"); 2073 } 2074 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SATA) { 2075 struct ccb_trans_settings_sata *sata = 2076 &cts.xport_specific.sata; 2077 2078 printf(" ("); 2079 if (sata->valid & CTS_SATA_VALID_REVISION) 2080 printf("SATA %d.x, ", sata->revision); 2081 else 2082 printf("SATA, "); 2083 if (sata->valid & CTS_SATA_VALID_MODE) 2084 printf("%s, ", ata_mode2string(sata->mode)); 2085 if ((sata->valid & CTS_ATA_VALID_ATAPI) && sata->atapi != 0) 2086 printf("ATAPI %dbytes, ", sata->atapi); 2087 if (sata->valid & CTS_SATA_VALID_BYTECOUNT) 2088 printf("PIO %dbytes", sata->bytecount); 2089 printf(")"); 2090 } 2091 printf("\n"); 2092} 2093