ata_xpt.c revision 217874
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: head/sys/cam/ata/ata_xpt.c 217874 2011-01-26 06:37:51Z mav $"); 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 maxtags; 69}; 70 71static periph_init_t probe_periph_init; 72 73static struct periph_driver probe_driver = 74{ 75 probe_periph_init, "aprobe", 76 TAILQ_HEAD_INITIALIZER(probe_driver.units), /* generation */ 0, 77 CAM_PERIPH_DRV_EARLY 78}; 79 80PERIPHDRIVER_DECLARE(aprobe, probe_driver); 81 82typedef enum { 83 PROBE_RESET, 84 PROBE_IDENTIFY, 85 PROBE_SPINUP, 86 PROBE_SETMODE, 87 PROBE_SETPM, 88 PROBE_SETAPST, 89 PROBE_SETDMAAA, 90 PROBE_SET_MULTI, 91 PROBE_INQUIRY, 92 PROBE_FULL_INQUIRY, 93 PROBE_PM_PID, 94 PROBE_PM_PRV, 95 PROBE_INVALID 96} probe_action; 97 98static char *probe_action_text[] = { 99 "PROBE_RESET", 100 "PROBE_IDENTIFY", 101 "PROBE_SPINUP", 102 "PROBE_SETMODE", 103 "PROBE_SETPM", 104 "PROBE_SETAPST", 105 "PROBE_SETDMAAA", 106 "PROBE_SET_MULTI", 107 "PROBE_INQUIRY", 108 "PROBE_FULL_INQUIRY", 109 "PROBE_PM_PID", 110 "PROBE_PM_PRV", 111 "PROBE_INVALID" 112}; 113 114#define PROBE_SET_ACTION(softc, newaction) \ 115do { \ 116 char **text; \ 117 text = probe_action_text; \ 118 CAM_DEBUG((softc)->periph->path, CAM_DEBUG_INFO, \ 119 ("Probe %s to %s\n", text[(softc)->action], \ 120 text[(newaction)])); \ 121 (softc)->action = (newaction); \ 122} while(0) 123 124typedef enum { 125 PROBE_NO_ANNOUNCE = 0x04 126} probe_flags; 127 128typedef struct { 129 TAILQ_HEAD(, ccb_hdr) request_ccbs; 130 struct ata_params ident_data; 131 probe_action action; 132 probe_flags flags; 133 uint32_t pm_pid; 134 uint32_t pm_prv; 135 int restart; 136 int spinup; 137 int faults; 138 u_int caps; 139 struct cam_periph *periph; 140} probe_softc; 141 142static struct ata_quirk_entry ata_quirk_table[] = 143{ 144 { 145 /* Default tagged queuing parameters for all devices */ 146 { 147 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 148 /*vendor*/"*", /*product*/"*", /*revision*/"*" 149 }, 150 /*quirks*/0, /*maxtags*/0 151 }, 152}; 153 154static const int ata_quirk_table_size = 155 sizeof(ata_quirk_table) / sizeof(*ata_quirk_table); 156 157static cam_status proberegister(struct cam_periph *periph, 158 void *arg); 159static void probeschedule(struct cam_periph *probe_periph); 160static void probestart(struct cam_periph *periph, union ccb *start_ccb); 161//static void proberequestdefaultnegotiation(struct cam_periph *periph); 162//static int proberequestbackoff(struct cam_periph *periph, 163// struct cam_ed *device); 164static void probedone(struct cam_periph *periph, union ccb *done_ccb); 165static void probecleanup(struct cam_periph *periph); 166static void ata_find_quirk(struct cam_ed *device); 167static void ata_scan_bus(struct cam_periph *periph, union ccb *ccb); 168static void ata_scan_lun(struct cam_periph *periph, 169 struct cam_path *path, cam_flags flags, 170 union ccb *ccb); 171static void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 172static struct cam_ed * 173 ata_alloc_device(struct cam_eb *bus, struct cam_et *target, 174 lun_id_t lun_id); 175static void ata_device_transport(struct cam_path *path); 176static void ata_set_transfer_settings(struct ccb_trans_settings *cts, 177 struct cam_ed *device, 178 int async_update); 179static void ata_dev_async(u_int32_t async_code, 180 struct cam_eb *bus, 181 struct cam_et *target, 182 struct cam_ed *device, 183 void *async_arg); 184static void ata_action(union ccb *start_ccb); 185static void ata_announce_periph(struct cam_periph *periph); 186 187static struct xpt_xport ata_xport = { 188 .alloc_device = ata_alloc_device, 189 .action = ata_action, 190 .async = ata_dev_async, 191 .announce = ata_announce_periph, 192}; 193 194struct xpt_xport * 195ata_get_xport(void) 196{ 197 return (&ata_xport); 198} 199 200static void 201probe_periph_init() 202{ 203} 204 205static cam_status 206proberegister(struct cam_periph *periph, void *arg) 207{ 208 union ccb *request_ccb; /* CCB representing the probe request */ 209 cam_status status; 210 probe_softc *softc; 211 212 request_ccb = (union ccb *)arg; 213 if (periph == NULL) { 214 printf("proberegister: periph was NULL!!\n"); 215 return(CAM_REQ_CMP_ERR); 216 } 217 218 if (request_ccb == NULL) { 219 printf("proberegister: no probe CCB, " 220 "can't register device\n"); 221 return(CAM_REQ_CMP_ERR); 222 } 223 224 softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_ZERO | M_NOWAIT); 225 226 if (softc == NULL) { 227 printf("proberegister: Unable to probe new device. " 228 "Unable to allocate softc\n"); 229 return(CAM_REQ_CMP_ERR); 230 } 231 TAILQ_INIT(&softc->request_ccbs); 232 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 233 periph_links.tqe); 234 softc->flags = 0; 235 periph->softc = softc; 236 softc->periph = periph; 237 softc->action = PROBE_INVALID; 238 status = cam_periph_acquire(periph); 239 if (status != CAM_REQ_CMP) { 240 return (status); 241 } 242 /* 243 * Ensure nobody slip in until probe finish. 244 */ 245 cam_freeze_devq_arg(periph->path, 246 RELSIM_RELEASE_RUNLEVEL, CAM_RL_XPT + 1); 247 probeschedule(periph); 248 return(CAM_REQ_CMP); 249} 250 251static void 252probeschedule(struct cam_periph *periph) 253{ 254 union ccb *ccb; 255 probe_softc *softc; 256 257 softc = (probe_softc *)periph->softc; 258 ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 259 260 if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) || 261 periph->path->device->protocol == PROTO_SATAPM) 262 PROBE_SET_ACTION(softc, PROBE_RESET); 263 else 264 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 265 266 if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 267 softc->flags |= PROBE_NO_ANNOUNCE; 268 else 269 softc->flags &= ~PROBE_NO_ANNOUNCE; 270 271 xpt_schedule(periph, CAM_PRIORITY_XPT); 272} 273 274static void 275probestart(struct cam_periph *periph, union ccb *start_ccb) 276{ 277 struct ccb_trans_settings cts; 278 struct ccb_ataio *ataio; 279 struct ccb_scsiio *csio; 280 probe_softc *softc; 281 struct cam_path *path; 282 struct ata_params *ident_buf; 283 284 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n")); 285 286 softc = (probe_softc *)periph->softc; 287 path = start_ccb->ccb_h.path; 288 ataio = &start_ccb->ataio; 289 csio = &start_ccb->csio; 290 ident_buf = &periph->path->device->ident_data; 291 292 if (softc->restart) { 293 softc->restart = 0; 294 if ((path->device->flags & CAM_DEV_UNCONFIGURED) || 295 path->device->protocol == PROTO_SATAPM) 296 softc->action = PROBE_RESET; 297 else 298 softc->action = PROBE_IDENTIFY; 299 } 300 switch (softc->action) { 301 case PROBE_RESET: 302 cam_fill_ataio(ataio, 303 0, 304 probedone, 305 /*flags*/CAM_DIR_NONE, 306 0, 307 /*data_ptr*/NULL, 308 /*dxfer_len*/0, 309 15 * 1000); 310 ata_reset_cmd(ataio); 311 break; 312 case PROBE_IDENTIFY: 313 cam_fill_ataio(ataio, 314 1, 315 probedone, 316 /*flags*/CAM_DIR_IN, 317 0, 318 /*data_ptr*/(u_int8_t *)&softc->ident_data, 319 /*dxfer_len*/sizeof(softc->ident_data), 320 30 * 1000); 321 if (periph->path->device->protocol == PROTO_ATA) 322 ata_28bit_cmd(ataio, ATA_ATA_IDENTIFY, 0, 0, 0); 323 else 324 ata_28bit_cmd(ataio, ATA_ATAPI_IDENTIFY, 0, 0, 0); 325 break; 326 case PROBE_SPINUP: 327 if (bootverbose) 328 xpt_print(path, "Spinning up device\n"); 329 cam_fill_ataio(ataio, 330 1, 331 probedone, 332 /*flags*/CAM_DIR_NONE | CAM_HIGH_POWER, 333 0, 334 /*data_ptr*/NULL, 335 /*dxfer_len*/0, 336 30 * 1000); 337 ata_28bit_cmd(ataio, ATA_SETFEATURES, ATA_SF_PUIS_SPINUP, 0, 0); 338 break; 339 case PROBE_SETMODE: 340 { 341 int mode, wantmode; 342 343 mode = 0; 344 /* Fetch user modes from SIM. */ 345 bzero(&cts, sizeof(cts)); 346 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 347 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 348 cts.type = CTS_TYPE_USER_SETTINGS; 349 xpt_action((union ccb *)&cts); 350 if (path->device->transport == XPORT_ATA) { 351 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_MODE) 352 mode = cts.xport_specific.ata.mode; 353 } else { 354 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_MODE) 355 mode = cts.xport_specific.sata.mode; 356 } 357negotiate: 358 /* Honor device capabilities. */ 359 wantmode = mode = ata_max_mode(ident_buf, mode); 360 /* Report modes to SIM. */ 361 bzero(&cts, sizeof(cts)); 362 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 363 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 364 cts.type = CTS_TYPE_CURRENT_SETTINGS; 365 if (path->device->transport == XPORT_ATA) { 366 cts.xport_specific.ata.mode = mode; 367 cts.xport_specific.ata.valid = CTS_ATA_VALID_MODE; 368 } else { 369 cts.xport_specific.sata.mode = mode; 370 cts.xport_specific.sata.valid = CTS_SATA_VALID_MODE; 371 } 372 xpt_action((union ccb *)&cts); 373 /* Fetch current modes from SIM. */ 374 bzero(&cts, sizeof(cts)); 375 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 376 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 377 cts.type = CTS_TYPE_CURRENT_SETTINGS; 378 xpt_action((union ccb *)&cts); 379 if (path->device->transport == XPORT_ATA) { 380 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_MODE) 381 mode = cts.xport_specific.ata.mode; 382 } else { 383 if (cts.xport_specific.ata.valid & CTS_SATA_VALID_MODE) 384 mode = cts.xport_specific.sata.mode; 385 } 386 /* If SIM disagree - renegotiate. */ 387 if (mode != wantmode) 388 goto negotiate; 389 cam_fill_ataio(ataio, 390 1, 391 probedone, 392 /*flags*/CAM_DIR_NONE, 393 0, 394 /*data_ptr*/NULL, 395 /*dxfer_len*/0, 396 30 * 1000); 397 ata_28bit_cmd(ataio, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode); 398 break; 399 } 400 case PROBE_SETPM: 401 cam_fill_ataio(ataio, 402 1, 403 probedone, 404 CAM_DIR_NONE, 405 0, 406 NULL, 407 0, 408 30*1000); 409 ata_28bit_cmd(ataio, ATA_SETFEATURES, 410 (softc->caps & CTS_SATA_CAPS_H_PMREQ) ? 0x10 : 0x90, 411 0, 0x03); 412 break; 413 case PROBE_SETAPST: 414 cam_fill_ataio(ataio, 415 1, 416 probedone, 417 CAM_DIR_NONE, 418 0, 419 NULL, 420 0, 421 30*1000); 422 ata_28bit_cmd(ataio, ATA_SETFEATURES, 423 (softc->caps & CTS_SATA_CAPS_H_APST) ? 0x10 : 0x90, 424 0, 0x07); 425 break; 426 case PROBE_SETDMAAA: 427 cam_fill_ataio(ataio, 428 1, 429 probedone, 430 CAM_DIR_NONE, 431 0, 432 NULL, 433 0, 434 30*1000); 435 ata_28bit_cmd(ataio, ATA_SETFEATURES, 436 (softc->caps & CTS_SATA_CAPS_H_DMAAA) ? 0x10 : 0x90, 437 0, 0x02); 438 break; 439 case PROBE_SET_MULTI: 440 { 441 u_int sectors, bytecount; 442 443 bytecount = 8192; /* SATA maximum */ 444 /* Fetch user bytecount from SIM. */ 445 bzero(&cts, sizeof(cts)); 446 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 447 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 448 cts.type = CTS_TYPE_USER_SETTINGS; 449 xpt_action((union ccb *)&cts); 450 if (path->device->transport == XPORT_ATA) { 451 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 452 bytecount = cts.xport_specific.ata.bytecount; 453 } else { 454 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 455 bytecount = cts.xport_specific.sata.bytecount; 456 } 457 /* Honor device capabilities. */ 458 sectors = max(1, min(ident_buf->sectors_intr & 0xff, 459 bytecount / ata_logical_sector_size(ident_buf))); 460 /* Report bytecount to SIM. */ 461 bzero(&cts, sizeof(cts)); 462 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 463 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 464 cts.type = CTS_TYPE_CURRENT_SETTINGS; 465 if (path->device->transport == XPORT_ATA) { 466 cts.xport_specific.ata.bytecount = sectors * 467 ata_logical_sector_size(ident_buf); 468 cts.xport_specific.ata.valid = CTS_ATA_VALID_BYTECOUNT; 469 } else { 470 cts.xport_specific.sata.bytecount = sectors * 471 ata_logical_sector_size(ident_buf); 472 cts.xport_specific.sata.valid = CTS_SATA_VALID_BYTECOUNT; 473 } 474 xpt_action((union ccb *)&cts); 475 /* Fetch current bytecount from SIM. */ 476 bzero(&cts, sizeof(cts)); 477 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 478 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 479 cts.type = CTS_TYPE_CURRENT_SETTINGS; 480 xpt_action((union ccb *)&cts); 481 if (path->device->transport == XPORT_ATA) { 482 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 483 bytecount = cts.xport_specific.ata.bytecount; 484 } else { 485 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 486 bytecount = cts.xport_specific.sata.bytecount; 487 } 488 sectors = bytecount / ata_logical_sector_size(ident_buf); 489 490 cam_fill_ataio(ataio, 491 1, 492 probedone, 493 CAM_DIR_NONE, 494 0, 495 NULL, 496 0, 497 30*1000); 498 ata_28bit_cmd(ataio, ATA_SET_MULTI, 0, 0, sectors); 499 break; 500 } 501 case PROBE_INQUIRY: 502 { 503 u_int bytecount; 504 505 bytecount = 8192; /* SATA maximum */ 506 /* Fetch user bytecount from SIM. */ 507 bzero(&cts, sizeof(cts)); 508 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 509 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 510 cts.type = CTS_TYPE_USER_SETTINGS; 511 xpt_action((union ccb *)&cts); 512 if (path->device->transport == XPORT_ATA) { 513 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 514 bytecount = cts.xport_specific.ata.bytecount; 515 } else { 516 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 517 bytecount = cts.xport_specific.sata.bytecount; 518 } 519 /* Honor device capabilities. */ 520 bytecount &= ~1; 521 bytecount = max(2, min(65534, bytecount)); 522 if (ident_buf->satacapabilities != 0x0000 && 523 ident_buf->satacapabilities != 0xffff) { 524 bytecount = min(8192, bytecount); 525 } 526 /* Report bytecount to SIM. */ 527 bzero(&cts, sizeof(cts)); 528 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 529 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 530 cts.type = CTS_TYPE_CURRENT_SETTINGS; 531 if (path->device->transport == XPORT_ATA) { 532 cts.xport_specific.ata.bytecount = bytecount; 533 cts.xport_specific.ata.valid = CTS_ATA_VALID_BYTECOUNT; 534 } else { 535 cts.xport_specific.sata.bytecount = bytecount; 536 cts.xport_specific.sata.valid = CTS_SATA_VALID_BYTECOUNT; 537 } 538 xpt_action((union ccb *)&cts); 539 /* FALLTHROUGH */ 540 } 541 case PROBE_FULL_INQUIRY: 542 { 543 u_int inquiry_len; 544 struct scsi_inquiry_data *inq_buf = 545 &periph->path->device->inq_data; 546 547 if (softc->action == PROBE_INQUIRY) 548 inquiry_len = SHORT_INQUIRY_LENGTH; 549 else 550 inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 551 /* 552 * Some parallel SCSI devices fail to send an 553 * ignore wide residue message when dealing with 554 * odd length inquiry requests. Round up to be 555 * safe. 556 */ 557 inquiry_len = roundup2(inquiry_len, 2); 558 scsi_inquiry(csio, 559 /*retries*/1, 560 probedone, 561 MSG_SIMPLE_Q_TAG, 562 (u_int8_t *)inq_buf, 563 inquiry_len, 564 /*evpd*/FALSE, 565 /*page_code*/0, 566 SSD_MIN_SIZE, 567 /*timeout*/60 * 1000); 568 break; 569 } 570 case PROBE_PM_PID: 571 cam_fill_ataio(ataio, 572 1, 573 probedone, 574 /*flags*/CAM_DIR_NONE, 575 0, 576 /*data_ptr*/NULL, 577 /*dxfer_len*/0, 578 10 * 1000); 579 ata_pm_read_cmd(ataio, 0, 15); 580 break; 581 case PROBE_PM_PRV: 582 cam_fill_ataio(ataio, 583 1, 584 probedone, 585 /*flags*/CAM_DIR_NONE, 586 0, 587 /*data_ptr*/NULL, 588 /*dxfer_len*/0, 589 10 * 1000); 590 ata_pm_read_cmd(ataio, 1, 15); 591 break; 592 case PROBE_INVALID: 593 CAM_DEBUG(path, CAM_DEBUG_INFO, 594 ("probestart: invalid action state\n")); 595 default: 596 break; 597 } 598 xpt_action(start_ccb); 599} 600#if 0 601static void 602proberequestdefaultnegotiation(struct cam_periph *periph) 603{ 604 struct ccb_trans_settings cts; 605 606 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 607 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 608 cts.type = CTS_TYPE_USER_SETTINGS; 609 xpt_action((union ccb *)&cts); 610 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 611 return; 612 } 613 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 614 cts.type = CTS_TYPE_CURRENT_SETTINGS; 615 xpt_action((union ccb *)&cts); 616} 617 618/* 619 * Backoff Negotiation Code- only pertinent for SPI devices. 620 */ 621static int 622proberequestbackoff(struct cam_periph *periph, struct cam_ed *device) 623{ 624 struct ccb_trans_settings cts; 625 struct ccb_trans_settings_spi *spi; 626 627 memset(&cts, 0, sizeof (cts)); 628 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 629 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 630 cts.type = CTS_TYPE_CURRENT_SETTINGS; 631 xpt_action((union ccb *)&cts); 632 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 633 if (bootverbose) { 634 xpt_print(periph->path, 635 "failed to get current device settings\n"); 636 } 637 return (0); 638 } 639 if (cts.transport != XPORT_SPI) { 640 if (bootverbose) { 641 xpt_print(periph->path, "not SPI transport\n"); 642 } 643 return (0); 644 } 645 spi = &cts.xport_specific.spi; 646 647 /* 648 * We cannot renegotiate sync rate if we don't have one. 649 */ 650 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 651 if (bootverbose) { 652 xpt_print(periph->path, "no sync rate known\n"); 653 } 654 return (0); 655 } 656 657 /* 658 * We'll assert that we don't have to touch PPR options- the 659 * SIM will see what we do with period and offset and adjust 660 * the PPR options as appropriate. 661 */ 662 663 /* 664 * A sync rate with unknown or zero offset is nonsensical. 665 * A sync period of zero means Async. 666 */ 667 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0 668 || spi->sync_offset == 0 || spi->sync_period == 0) { 669 if (bootverbose) { 670 xpt_print(periph->path, "no sync rate available\n"); 671 } 672 return (0); 673 } 674 675 if (device->flags & CAM_DEV_DV_HIT_BOTTOM) { 676 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 677 ("hit async: giving up on DV\n")); 678 return (0); 679 } 680 681 682 /* 683 * Jump sync_period up by one, but stop at 5MHz and fall back to Async. 684 * We don't try to remember 'last' settings to see if the SIM actually 685 * gets into the speed we want to set. We check on the SIM telling 686 * us that a requested speed is bad, but otherwise don't try and 687 * check the speed due to the asynchronous and handshake nature 688 * of speed setting. 689 */ 690 spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET; 691 for (;;) { 692 spi->sync_period++; 693 if (spi->sync_period >= 0xf) { 694 spi->sync_period = 0; 695 spi->sync_offset = 0; 696 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 697 ("setting to async for DV\n")); 698 /* 699 * Once we hit async, we don't want to try 700 * any more settings. 701 */ 702 device->flags |= CAM_DEV_DV_HIT_BOTTOM; 703 } else if (bootverbose) { 704 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 705 ("DV: period 0x%x\n", spi->sync_period)); 706 printf("setting period to 0x%x\n", spi->sync_period); 707 } 708 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 709 cts.type = CTS_TYPE_CURRENT_SETTINGS; 710 xpt_action((union ccb *)&cts); 711 if ((cts.ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 712 break; 713 } 714 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 715 ("DV: failed to set period 0x%x\n", spi->sync_period)); 716 if (spi->sync_period == 0) { 717 return (0); 718 } 719 } 720 return (1); 721} 722#endif 723static void 724probedone(struct cam_periph *periph, union ccb *done_ccb) 725{ 726 struct ccb_trans_settings cts; 727 struct ata_params *ident_buf; 728 probe_softc *softc; 729 struct cam_path *path; 730 cam_status status; 731 u_int32_t priority; 732 u_int caps; 733 int found = 1; 734 735 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 736 737 softc = (probe_softc *)periph->softc; 738 path = done_ccb->ccb_h.path; 739 priority = done_ccb->ccb_h.pinfo.priority; 740 ident_buf = &path->device->ident_data; 741 742 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 743 if (softc->restart) { 744 if (bootverbose) { 745 cam_error_print(done_ccb, 746 CAM_ESF_ALL, CAM_EPF_ALL); 747 } 748 } else if (cam_periph_error(done_ccb, 0, 0, NULL) == ERESTART) 749 return; 750 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 751 /* Don't wedge the queue */ 752 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 753 /*run_queue*/TRUE); 754 } 755 status = done_ccb->ccb_h.status & CAM_STATUS_MASK; 756 if (softc->restart) { 757 softc->faults++; 758 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == 759 CAM_CMD_TIMEOUT) 760 softc->faults += 4; 761 if (softc->faults < 10) 762 goto done; 763 else 764 softc->restart = 0; 765 766 /* Old PIO2 devices may not support mode setting. */ 767 } else if (softc->action == PROBE_SETMODE && 768 status == CAM_ATA_STATUS_ERROR && 769 ata_max_pmode(ident_buf) <= ATA_PIO2 && 770 (ident_buf->capabilities1 & ATA_SUPPORT_IORDY) == 0) { 771 goto noerror; 772 773 /* 774 * Some old WD SATA disks report supported and enabled 775 * device-initiated interface power management, but return 776 * ABORT on attempt to disable it. 777 */ 778 } else if (softc->action == PROBE_SETPM && 779 status == CAM_ATA_STATUS_ERROR) { 780 goto noerror; 781 } 782 783 /* 784 * If we get to this point, we got an error status back 785 * from the inquiry and the error status doesn't require 786 * automatically retrying the command. Therefore, the 787 * inquiry failed. If we had inquiry information before 788 * for this device, but this latest inquiry command failed, 789 * the device has probably gone away. If this device isn't 790 * already marked unconfigured, notify the peripheral 791 * drivers that this device is no more. 792 */ 793device_fail: if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 794 xpt_async(AC_LOST_DEVICE, path, NULL); 795 found = 0; 796 goto done; 797 } 798noerror: 799 if (softc->restart) 800 goto done; 801 switch (softc->action) { 802 case PROBE_RESET: 803 { 804 int sign = (done_ccb->ataio.res.lba_high << 8) + 805 done_ccb->ataio.res.lba_mid; 806 if (bootverbose) 807 xpt_print(path, "SIGNATURE: %04x\n", sign); 808 if (sign == 0x0000 && 809 done_ccb->ccb_h.target_id != 15) { 810 path->device->protocol = PROTO_ATA; 811 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 812 } else if (sign == 0x9669 && 813 done_ccb->ccb_h.target_id == 15) { 814 /* Report SIM that PM is present. */ 815 bzero(&cts, sizeof(cts)); 816 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 817 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 818 cts.type = CTS_TYPE_CURRENT_SETTINGS; 819 cts.xport_specific.sata.pm_present = 1; 820 cts.xport_specific.sata.valid = CTS_SATA_VALID_PM; 821 xpt_action((union ccb *)&cts); 822 path->device->protocol = PROTO_SATAPM; 823 PROBE_SET_ACTION(softc, PROBE_PM_PID); 824 } else if (sign == 0xeb14 && 825 done_ccb->ccb_h.target_id != 15) { 826 path->device->protocol = PROTO_SCSI; 827 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 828 } else { 829 if (done_ccb->ccb_h.target_id != 15) { 830 xpt_print(path, 831 "Unexpected signature 0x%04x\n", sign); 832 } 833 goto device_fail; 834 } 835 xpt_release_ccb(done_ccb); 836 xpt_schedule(periph, priority); 837 return; 838 } 839 case PROBE_IDENTIFY: 840 { 841 struct ccb_pathinq cpi; 842 int16_t *ptr; 843 int changed = 1; 844 845 ident_buf = &softc->ident_data; 846 for (ptr = (int16_t *)ident_buf; 847 ptr < (int16_t *)ident_buf + sizeof(struct ata_params)/2; ptr++) { 848 *ptr = le16toh(*ptr); 849 } 850 if (strncmp(ident_buf->model, "FX", 2) && 851 strncmp(ident_buf->model, "NEC", 3) && 852 strncmp(ident_buf->model, "Pioneer", 7) && 853 strncmp(ident_buf->model, "SHARP", 5)) { 854 ata_bswap(ident_buf->model, sizeof(ident_buf->model)); 855 ata_bswap(ident_buf->revision, sizeof(ident_buf->revision)); 856 ata_bswap(ident_buf->serial, sizeof(ident_buf->serial)); 857 } 858 ata_btrim(ident_buf->model, sizeof(ident_buf->model)); 859 ata_bpack(ident_buf->model, ident_buf->model, sizeof(ident_buf->model)); 860 ata_btrim(ident_buf->revision, sizeof(ident_buf->revision)); 861 ata_bpack(ident_buf->revision, ident_buf->revision, sizeof(ident_buf->revision)); 862 ata_btrim(ident_buf->serial, sizeof(ident_buf->serial)); 863 ata_bpack(ident_buf->serial, ident_buf->serial, sizeof(ident_buf->serial)); 864 /* Device may need spin-up before IDENTIFY become valid. */ 865 if ((ident_buf->specconf == 0x37c8 || 866 ident_buf->specconf == 0x738c) && 867 ((ident_buf->config & ATA_RESP_INCOMPLETE) || 868 softc->spinup == 0)) { 869 PROBE_SET_ACTION(softc, PROBE_SPINUP); 870 xpt_release_ccb(done_ccb); 871 xpt_schedule(periph, priority); 872 return; 873 } 874 ident_buf = &path->device->ident_data; 875 if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 876 /* Check that it is the same device. */ 877 if (bcmp(softc->ident_data.model, ident_buf->model, 878 sizeof(ident_buf->model)) || 879 bcmp(softc->ident_data.revision, ident_buf->revision, 880 sizeof(ident_buf->revision)) || 881 bcmp(softc->ident_data.serial, ident_buf->serial, 882 sizeof(ident_buf->serial))) { 883 /* Device changed. */ 884 xpt_async(AC_LOST_DEVICE, path, NULL); 885 } else { 886 bcopy(&softc->ident_data, ident_buf, sizeof(struct ata_params)); 887 changed = 0; 888 } 889 } 890 if (changed) { 891 bcopy(&softc->ident_data, ident_buf, sizeof(struct ata_params)); 892 /* Clean up from previous instance of this device */ 893 if (path->device->serial_num != NULL) { 894 free(path->device->serial_num, M_CAMXPT); 895 path->device->serial_num = NULL; 896 path->device->serial_num_len = 0; 897 } 898 path->device->serial_num = 899 (u_int8_t *)malloc((sizeof(ident_buf->serial) + 1), 900 M_CAMXPT, M_NOWAIT); 901 if (path->device->serial_num != NULL) { 902 bcopy(ident_buf->serial, 903 path->device->serial_num, 904 sizeof(ident_buf->serial)); 905 path->device->serial_num[sizeof(ident_buf->serial)] 906 = '\0'; 907 path->device->serial_num_len = 908 strlen(path->device->serial_num); 909 } 910 911 path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 912 } 913 if (ident_buf->satacapabilities & ATA_SUPPORT_NCQ) { 914 path->device->mintags = path->device->maxtags = 915 ATA_QUEUE_LEN(ident_buf->queue) + 1; 916 } 917 ata_find_quirk(path->device); 918 if (path->device->mintags != 0 && 919 path->bus->sim->max_tagged_dev_openings != 0) { 920 /* Check if the SIM does not want queued commands. */ 921 bzero(&cpi, sizeof(cpi)); 922 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 923 cpi.ccb_h.func_code = XPT_PATH_INQ; 924 xpt_action((union ccb *)&cpi); 925 if (cpi.ccb_h.status == CAM_REQ_CMP && 926 (cpi.hba_inquiry & PI_TAG_ABLE)) { 927 /* Report SIM which tags are allowed. */ 928 bzero(&cts, sizeof(cts)); 929 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 930 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 931 cts.type = CTS_TYPE_CURRENT_SETTINGS; 932 cts.xport_specific.sata.tags = path->device->maxtags; 933 cts.xport_specific.sata.valid = CTS_SATA_VALID_TAGS; 934 xpt_action((union ccb *)&cts); 935 /* Reconfigure queues for tagged queueing. */ 936 xpt_start_tags(path); 937 } 938 } 939 ata_device_transport(path); 940 PROBE_SET_ACTION(softc, PROBE_SETMODE); 941 xpt_release_ccb(done_ccb); 942 xpt_schedule(periph, priority); 943 return; 944 } 945 case PROBE_SPINUP: 946 if (bootverbose) 947 xpt_print(path, "Spin-up done\n"); 948 softc->spinup = 1; 949 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 950 xpt_release_ccb(done_ccb); 951 xpt_schedule(periph, priority); 952 return; 953 case PROBE_SETMODE: 954 if (path->device->transport != XPORT_SATA) 955 goto notsata; 956 /* Set supported bits. */ 957 bzero(&cts, sizeof(cts)); 958 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 959 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 960 cts.type = CTS_TYPE_CURRENT_SETTINGS; 961 xpt_action((union ccb *)&cts); 962 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 963 caps = cts.xport_specific.sata.caps & CTS_SATA_CAPS_H; 964 else 965 caps = 0; 966 if (ident_buf->satacapabilities != 0xffff) { 967 if (ident_buf->satacapabilities & ATA_SUPPORT_IFPWRMNGTRCV) 968 caps |= CTS_SATA_CAPS_D_PMREQ; 969 if (ident_buf->satacapabilities & ATA_SUPPORT_HAPST) 970 caps |= CTS_SATA_CAPS_D_APST; 971 } 972 /* Mask unwanted bits. */ 973 bzero(&cts, sizeof(cts)); 974 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 975 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 976 cts.type = CTS_TYPE_USER_SETTINGS; 977 xpt_action((union ccb *)&cts); 978 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 979 caps &= cts.xport_specific.sata.caps; 980 else 981 caps = 0; 982 /* Store result to SIM. */ 983 bzero(&cts, sizeof(cts)); 984 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 985 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 986 cts.type = CTS_TYPE_CURRENT_SETTINGS; 987 cts.xport_specific.sata.caps = caps; 988 cts.xport_specific.sata.valid = CTS_SATA_VALID_CAPS; 989 xpt_action((union ccb *)&cts); 990 softc->caps = caps; 991 if ((ident_buf->satasupport & ATA_SUPPORT_IFPWRMNGT) && 992 (!(softc->caps & CTS_SATA_CAPS_H_PMREQ)) != 993 (!(ident_buf->sataenabled & ATA_SUPPORT_IFPWRMNGT))) { 994 PROBE_SET_ACTION(softc, PROBE_SETPM); 995 xpt_release_ccb(done_ccb); 996 xpt_schedule(periph, priority); 997 return; 998 } 999 /* FALLTHROUGH */ 1000 case PROBE_SETPM: 1001 if (ident_buf->satacapabilities != 0xffff && 1002 (ident_buf->satacapabilities & ATA_SUPPORT_DAPST) && 1003 (!(softc->caps & CTS_SATA_CAPS_H_APST)) != 1004 (!(ident_buf->sataenabled & ATA_ENABLED_DAPST))) { 1005 PROBE_SET_ACTION(softc, PROBE_SETAPST); 1006 xpt_release_ccb(done_ccb); 1007 xpt_schedule(periph, priority); 1008 return; 1009 } 1010 /* FALLTHROUGH */ 1011 case PROBE_SETAPST: 1012 if ((ident_buf->satasupport & ATA_SUPPORT_AUTOACTIVATE) && 1013 (!(softc->caps & CTS_SATA_CAPS_H_DMAAA)) != 1014 (!(ident_buf->sataenabled & ATA_SUPPORT_AUTOACTIVATE))) { 1015 PROBE_SET_ACTION(softc, PROBE_SETDMAAA); 1016 xpt_release_ccb(done_ccb); 1017 xpt_schedule(periph, priority); 1018 return; 1019 } 1020 /* FALLTHROUGH */ 1021 case PROBE_SETDMAAA: 1022notsata: 1023 if (path->device->protocol == PROTO_ATA) { 1024 PROBE_SET_ACTION(softc, PROBE_SET_MULTI); 1025 } else { 1026 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 1027 } 1028 xpt_release_ccb(done_ccb); 1029 xpt_schedule(periph, priority); 1030 return; 1031 case PROBE_SET_MULTI: 1032 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1033 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1034 xpt_acquire_device(path->device); 1035 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1036 xpt_action(done_ccb); 1037 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1038 done_ccb); 1039 } 1040 break; 1041 case PROBE_INQUIRY: 1042 case PROBE_FULL_INQUIRY: 1043 { 1044 struct scsi_inquiry_data *inq_buf; 1045 u_int8_t periph_qual, len; 1046 1047 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1048 inq_buf = &path->device->inq_data; 1049 1050 periph_qual = SID_QUAL(inq_buf); 1051 1052 if (periph_qual != SID_QUAL_LU_CONNECTED) 1053 break; 1054 1055 /* 1056 * We conservatively request only 1057 * SHORT_INQUIRY_LEN bytes of inquiry 1058 * information during our first try 1059 * at sending an INQUIRY. If the device 1060 * has more information to give, 1061 * perform a second request specifying 1062 * the amount of information the device 1063 * is willing to give. 1064 */ 1065 len = inq_buf->additional_length 1066 + offsetof(struct scsi_inquiry_data, additional_length) + 1; 1067 if (softc->action == PROBE_INQUIRY 1068 && len > SHORT_INQUIRY_LENGTH) { 1069 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1070 xpt_release_ccb(done_ccb); 1071 xpt_schedule(periph, priority); 1072 return; 1073 } 1074 1075 ata_device_transport(path); 1076 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1077 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1078 xpt_acquire_device(path->device); 1079 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1080 xpt_action(done_ccb); 1081 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, done_ccb); 1082 } 1083 break; 1084 } 1085 case PROBE_PM_PID: 1086 if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) == 0) 1087 bzero(ident_buf, sizeof(*ident_buf)); 1088 softc->pm_pid = (done_ccb->ataio.res.lba_high << 24) + 1089 (done_ccb->ataio.res.lba_mid << 16) + 1090 (done_ccb->ataio.res.lba_low << 8) + 1091 done_ccb->ataio.res.sector_count; 1092 ((uint32_t *)ident_buf)[0] = softc->pm_pid; 1093 snprintf(ident_buf->model, sizeof(ident_buf->model), 1094 "Port Multiplier %08x", softc->pm_pid); 1095 PROBE_SET_ACTION(softc, PROBE_PM_PRV); 1096 xpt_release_ccb(done_ccb); 1097 xpt_schedule(periph, priority); 1098 return; 1099 case PROBE_PM_PRV: 1100 softc->pm_prv = (done_ccb->ataio.res.lba_high << 24) + 1101 (done_ccb->ataio.res.lba_mid << 16) + 1102 (done_ccb->ataio.res.lba_low << 8) + 1103 done_ccb->ataio.res.sector_count; 1104 ((uint32_t *)ident_buf)[1] = softc->pm_prv; 1105 snprintf(ident_buf->revision, sizeof(ident_buf->revision), 1106 "%04x", softc->pm_prv); 1107 path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 1108 /* Set supported bits. */ 1109 bzero(&cts, sizeof(cts)); 1110 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1111 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1112 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1113 xpt_action((union ccb *)&cts); 1114 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1115 caps = cts.xport_specific.sata.caps & CTS_SATA_CAPS_H; 1116 else 1117 caps = 0; 1118 /* All PMPs must support PM requests. */ 1119 caps |= CTS_SATA_CAPS_D_PMREQ; 1120 /* Mask unwanted bits. */ 1121 bzero(&cts, sizeof(cts)); 1122 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1123 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1124 cts.type = CTS_TYPE_USER_SETTINGS; 1125 xpt_action((union ccb *)&cts); 1126 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1127 caps &= cts.xport_specific.sata.caps; 1128 else 1129 caps = 0; 1130 /* Store result to SIM. */ 1131 bzero(&cts, sizeof(cts)); 1132 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1133 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1134 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1135 cts.xport_specific.sata.caps = caps; 1136 cts.xport_specific.sata.valid = CTS_SATA_VALID_CAPS; 1137 xpt_action((union ccb *)&cts); 1138 softc->caps = caps; 1139 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1140 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1141 xpt_acquire_device(path->device); 1142 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1143 xpt_action(done_ccb); 1144 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1145 done_ccb); 1146 } else { 1147 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1148 xpt_action(done_ccb); 1149 xpt_async(AC_SCSI_AEN, done_ccb->ccb_h.path, done_ccb); 1150 } 1151 break; 1152 case PROBE_INVALID: 1153 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_INFO, 1154 ("probedone: invalid action state\n")); 1155 default: 1156 break; 1157 } 1158done: 1159 if (softc->restart) { 1160 softc->restart = 0; 1161 xpt_release_ccb(done_ccb); 1162 probeschedule(periph); 1163 return; 1164 } 1165 xpt_release_ccb(done_ccb); 1166 while ((done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs))) { 1167 TAILQ_REMOVE(&softc->request_ccbs, 1168 &done_ccb->ccb_h, periph_links.tqe); 1169 done_ccb->ccb_h.status = found ? CAM_REQ_CMP : CAM_REQ_CMP_ERR; 1170 xpt_done(done_ccb); 1171 } 1172 cam_release_devq(periph->path, 1173 RELSIM_RELEASE_RUNLEVEL, 0, CAM_RL_XPT + 1, FALSE); 1174 cam_periph_invalidate(periph); 1175 cam_periph_release_locked(periph); 1176} 1177 1178static void 1179probecleanup(struct cam_periph *periph) 1180{ 1181 free(periph->softc, M_CAMXPT); 1182} 1183 1184static void 1185ata_find_quirk(struct cam_ed *device) 1186{ 1187 struct ata_quirk_entry *quirk; 1188 caddr_t match; 1189 1190 match = cam_quirkmatch((caddr_t)&device->ident_data, 1191 (caddr_t)ata_quirk_table, 1192 ata_quirk_table_size, 1193 sizeof(*ata_quirk_table), ata_identify_match); 1194 1195 if (match == NULL) 1196 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1197 1198 quirk = (struct ata_quirk_entry *)match; 1199 device->quirk = quirk; 1200 if (quirk->quirks & CAM_QUIRK_MAXTAGS) 1201 device->mintags = device->maxtags = quirk->maxtags; 1202} 1203 1204typedef struct { 1205 union ccb *request_ccb; 1206 struct ccb_pathinq *cpi; 1207 int counter; 1208} ata_scan_bus_info; 1209 1210/* 1211 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1212 * As the scan progresses, xpt_scan_bus is used as the 1213 * callback on completion function. 1214 */ 1215static void 1216ata_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1217{ 1218 struct cam_path *path; 1219 ata_scan_bus_info *scan_info; 1220 union ccb *work_ccb, *reset_ccb; 1221 cam_status status; 1222 1223 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1224 ("xpt_scan_bus\n")); 1225 switch (request_ccb->ccb_h.func_code) { 1226 case XPT_SCAN_BUS: 1227 case XPT_SCAN_TGT: 1228 /* Find out the characteristics of the bus */ 1229 work_ccb = xpt_alloc_ccb_nowait(); 1230 if (work_ccb == NULL) { 1231 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1232 xpt_done(request_ccb); 1233 return; 1234 } 1235 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1236 request_ccb->ccb_h.pinfo.priority); 1237 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1238 xpt_action(work_ccb); 1239 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1240 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1241 xpt_free_ccb(work_ccb); 1242 xpt_done(request_ccb); 1243 return; 1244 } 1245 1246 /* We may need to reset bus first, if we haven't done it yet. */ 1247 if ((work_ccb->cpi.hba_inquiry & 1248 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1249 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1250 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset)) { 1251 reset_ccb = xpt_alloc_ccb_nowait(); 1252 if (reset_ccb == NULL) { 1253 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1254 xpt_free_ccb(work_ccb); 1255 xpt_done(request_ccb); 1256 return; 1257 } 1258 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1259 CAM_PRIORITY_NONE); 1260 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1261 xpt_action(reset_ccb); 1262 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1263 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1264 xpt_free_ccb(reset_ccb); 1265 xpt_free_ccb(work_ccb); 1266 xpt_done(request_ccb); 1267 return; 1268 } 1269 xpt_free_ccb(reset_ccb); 1270 } 1271 1272 /* Save some state for use while we probe for devices */ 1273 scan_info = (ata_scan_bus_info *) 1274 malloc(sizeof(ata_scan_bus_info), M_CAMXPT, M_NOWAIT); 1275 if (scan_info == NULL) { 1276 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1277 xpt_free_ccb(work_ccb); 1278 xpt_done(request_ccb); 1279 return; 1280 } 1281 scan_info->request_ccb = request_ccb; 1282 scan_info->cpi = &work_ccb->cpi; 1283 /* If PM supported, probe it first. */ 1284 if (scan_info->cpi->hba_inquiry & PI_SATAPM) 1285 scan_info->counter = scan_info->cpi->max_target; 1286 else 1287 scan_info->counter = 0; 1288 1289 work_ccb = xpt_alloc_ccb_nowait(); 1290 if (work_ccb == NULL) { 1291 free(scan_info, M_CAMXPT); 1292 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1293 xpt_done(request_ccb); 1294 break; 1295 } 1296 goto scan_next; 1297 case XPT_SCAN_LUN: 1298 work_ccb = request_ccb; 1299 /* Reuse the same CCB to query if a device was really found */ 1300 scan_info = (ata_scan_bus_info *)work_ccb->ccb_h.ppriv_ptr0; 1301 /* If there is PMP... */ 1302 if ((scan_info->cpi->hba_inquiry & PI_SATAPM) && 1303 (scan_info->counter == scan_info->cpi->max_target)) { 1304 if (work_ccb->ccb_h.status == CAM_REQ_CMP) { 1305 /* everything else will be probed by it */ 1306 /* Free the current request path- we're done with it. */ 1307 xpt_free_path(work_ccb->ccb_h.path); 1308 goto done; 1309 } else { 1310 struct ccb_trans_settings cts; 1311 1312 /* Report SIM that PM is absent. */ 1313 bzero(&cts, sizeof(cts)); 1314 xpt_setup_ccb(&cts.ccb_h, 1315 work_ccb->ccb_h.path, CAM_PRIORITY_NONE); 1316 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1317 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1318 cts.xport_specific.sata.pm_present = 0; 1319 cts.xport_specific.sata.valid = CTS_SATA_VALID_PM; 1320 xpt_action((union ccb *)&cts); 1321 } 1322 } 1323 /* Free the current request path- we're done with it. */ 1324 xpt_free_path(work_ccb->ccb_h.path); 1325 if (scan_info->counter == 1326 ((scan_info->cpi->hba_inquiry & PI_SATAPM) ? 1327 0 : scan_info->cpi->max_target)) { 1328done: 1329 xpt_free_ccb(work_ccb); 1330 xpt_free_ccb((union ccb *)scan_info->cpi); 1331 request_ccb = scan_info->request_ccb; 1332 free(scan_info, M_CAMXPT); 1333 request_ccb->ccb_h.status = CAM_REQ_CMP; 1334 xpt_done(request_ccb); 1335 break; 1336 } 1337 /* Take next device. Wrap from max (PMP) to 0. */ 1338 scan_info->counter = (scan_info->counter + 1 ) % 1339 (scan_info->cpi->max_target + 1); 1340scan_next: 1341 status = xpt_create_path(&path, xpt_periph, 1342 scan_info->request_ccb->ccb_h.path_id, 1343 scan_info->counter, 0); 1344 if (status != CAM_REQ_CMP) { 1345 printf("xpt_scan_bus: xpt_create_path failed" 1346 " with status %#x, bus scan halted\n", 1347 status); 1348 xpt_free_ccb(work_ccb); 1349 xpt_free_ccb((union ccb *)scan_info->cpi); 1350 request_ccb = scan_info->request_ccb; 1351 free(scan_info, M_CAMXPT); 1352 request_ccb->ccb_h.status = status; 1353 xpt_done(request_ccb); 1354 break; 1355 } 1356 xpt_setup_ccb(&work_ccb->ccb_h, path, 1357 scan_info->request_ccb->ccb_h.pinfo.priority); 1358 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1359 work_ccb->ccb_h.cbfcnp = ata_scan_bus; 1360 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 1361 work_ccb->crcn.flags = scan_info->request_ccb->crcn.flags; 1362 xpt_action(work_ccb); 1363 break; 1364 default: 1365 break; 1366 } 1367} 1368 1369static void 1370ata_scan_lun(struct cam_periph *periph, struct cam_path *path, 1371 cam_flags flags, union ccb *request_ccb) 1372{ 1373 struct ccb_pathinq cpi; 1374 cam_status status; 1375 struct cam_path *new_path; 1376 struct cam_periph *old_periph; 1377 1378 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("xpt_scan_lun\n")); 1379 1380 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 1381 cpi.ccb_h.func_code = XPT_PATH_INQ; 1382 xpt_action((union ccb *)&cpi); 1383 1384 if (cpi.ccb_h.status != CAM_REQ_CMP) { 1385 if (request_ccb != NULL) { 1386 request_ccb->ccb_h.status = cpi.ccb_h.status; 1387 xpt_done(request_ccb); 1388 } 1389 return; 1390 } 1391 1392 if (request_ccb == NULL) { 1393 request_ccb = malloc(sizeof(union ccb), M_CAMXPT, M_NOWAIT); 1394 if (request_ccb == NULL) { 1395 xpt_print(path, "xpt_scan_lun: can't allocate CCB, " 1396 "can't continue\n"); 1397 return; 1398 } 1399 new_path = malloc(sizeof(*new_path), M_CAMXPT, M_NOWAIT); 1400 if (new_path == NULL) { 1401 xpt_print(path, "xpt_scan_lun: can't allocate path, " 1402 "can't continue\n"); 1403 free(request_ccb, M_CAMXPT); 1404 return; 1405 } 1406 status = xpt_compile_path(new_path, xpt_periph, 1407 path->bus->path_id, 1408 path->target->target_id, 1409 path->device->lun_id); 1410 1411 if (status != CAM_REQ_CMP) { 1412 xpt_print(path, "xpt_scan_lun: can't compile path, " 1413 "can't continue\n"); 1414 free(request_ccb, M_CAMXPT); 1415 free(new_path, M_CAMXPT); 1416 return; 1417 } 1418 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 1419 request_ccb->ccb_h.cbfcnp = xptscandone; 1420 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1421 request_ccb->crcn.flags = flags; 1422 } 1423 1424 if ((old_periph = cam_periph_find(path, "aprobe")) != NULL) { 1425 probe_softc *softc; 1426 1427 softc = (probe_softc *)old_periph->softc; 1428 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 1429 periph_links.tqe); 1430 softc->restart = 1; 1431 } else { 1432 status = cam_periph_alloc(proberegister, NULL, probecleanup, 1433 probestart, "aprobe", 1434 CAM_PERIPH_BIO, 1435 request_ccb->ccb_h.path, NULL, 0, 1436 request_ccb); 1437 1438 if (status != CAM_REQ_CMP) { 1439 xpt_print(path, "xpt_scan_lun: cam_alloc_periph " 1440 "returned an error, can't continue probe\n"); 1441 request_ccb->ccb_h.status = status; 1442 xpt_done(request_ccb); 1443 } 1444 } 1445} 1446 1447static void 1448xptscandone(struct cam_periph *periph, union ccb *done_ccb) 1449{ 1450 xpt_release_path(done_ccb->ccb_h.path); 1451 free(done_ccb->ccb_h.path, M_CAMXPT); 1452 free(done_ccb, M_CAMXPT); 1453} 1454 1455static struct cam_ed * 1456ata_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 1457{ 1458 struct cam_path path; 1459 struct ata_quirk_entry *quirk; 1460 struct cam_ed *device; 1461 struct cam_ed *cur_device; 1462 1463 device = xpt_alloc_device(bus, target, lun_id); 1464 if (device == NULL) 1465 return (NULL); 1466 1467 /* 1468 * Take the default quirk entry until we have inquiry 1469 * data and can determine a better quirk to use. 1470 */ 1471 quirk = &ata_quirk_table[ata_quirk_table_size - 1]; 1472 device->quirk = (void *)quirk; 1473 device->mintags = 0; 1474 device->maxtags = 0; 1475 bzero(&device->inq_data, sizeof(device->inq_data)); 1476 device->inq_flags = 0; 1477 device->queue_flags = 0; 1478 device->serial_num = NULL; 1479 device->serial_num_len = 0; 1480 1481 /* 1482 * XXX should be limited by number of CCBs this bus can 1483 * do. 1484 */ 1485 bus->sim->max_ccbs += device->ccbq.devq_openings; 1486 /* Insertion sort into our target's device list */ 1487 cur_device = TAILQ_FIRST(&target->ed_entries); 1488 while (cur_device != NULL && cur_device->lun_id < lun_id) 1489 cur_device = TAILQ_NEXT(cur_device, links); 1490 if (cur_device != NULL) { 1491 TAILQ_INSERT_BEFORE(cur_device, device, links); 1492 } else { 1493 TAILQ_INSERT_TAIL(&target->ed_entries, device, links); 1494 } 1495 target->generation++; 1496 if (lun_id != CAM_LUN_WILDCARD) { 1497 xpt_compile_path(&path, 1498 NULL, 1499 bus->path_id, 1500 target->target_id, 1501 lun_id); 1502 ata_device_transport(&path); 1503 xpt_release_path(&path); 1504 } 1505 1506 return (device); 1507} 1508 1509static void 1510ata_device_transport(struct cam_path *path) 1511{ 1512 struct ccb_pathinq cpi; 1513 struct ccb_trans_settings cts; 1514 struct scsi_inquiry_data *inq_buf = NULL; 1515 struct ata_params *ident_buf = NULL; 1516 1517 /* Get transport information from the SIM */ 1518 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 1519 cpi.ccb_h.func_code = XPT_PATH_INQ; 1520 xpt_action((union ccb *)&cpi); 1521 1522 path->device->transport = cpi.transport; 1523 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 1524 inq_buf = &path->device->inq_data; 1525 if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) != 0) 1526 ident_buf = &path->device->ident_data; 1527 if (path->device->protocol == PROTO_ATA) { 1528 path->device->protocol_version = ident_buf ? 1529 ata_version(ident_buf->version_major) : cpi.protocol_version; 1530 } else if (path->device->protocol == PROTO_SCSI) { 1531 path->device->protocol_version = inq_buf ? 1532 SID_ANSI_REV(inq_buf) : cpi.protocol_version; 1533 } 1534 path->device->transport_version = ident_buf ? 1535 ata_version(ident_buf->version_major) : cpi.transport_version; 1536 1537 /* Tell the controller what we think */ 1538 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1539 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1540 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1541 cts.transport = path->device->transport; 1542 cts.transport_version = path->device->transport_version; 1543 cts.protocol = path->device->protocol; 1544 cts.protocol_version = path->device->protocol_version; 1545 cts.proto_specific.valid = 0; 1546 if (ident_buf) { 1547 if (path->device->transport == XPORT_ATA) { 1548 cts.xport_specific.ata.atapi = 1549 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_16) ? 16 : 1550 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_12) ? 12 : 0; 1551 cts.xport_specific.ata.valid = CTS_ATA_VALID_ATAPI; 1552 } else { 1553 cts.xport_specific.sata.atapi = 1554 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_16) ? 16 : 1555 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_12) ? 12 : 0; 1556 cts.xport_specific.sata.valid = CTS_SATA_VALID_ATAPI; 1557 } 1558 } else 1559 cts.xport_specific.valid = 0; 1560 xpt_action((union ccb *)&cts); 1561} 1562 1563static void 1564ata_action(union ccb *start_ccb) 1565{ 1566 1567 switch (start_ccb->ccb_h.func_code) { 1568 case XPT_SET_TRAN_SETTINGS: 1569 { 1570 ata_set_transfer_settings(&start_ccb->cts, 1571 start_ccb->ccb_h.path->device, 1572 /*async_update*/FALSE); 1573 break; 1574 } 1575 case XPT_SCAN_BUS: 1576 case XPT_SCAN_TGT: 1577 ata_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 1578 break; 1579 case XPT_SCAN_LUN: 1580 ata_scan_lun(start_ccb->ccb_h.path->periph, 1581 start_ccb->ccb_h.path, start_ccb->crcn.flags, 1582 start_ccb); 1583 break; 1584 case XPT_GET_TRAN_SETTINGS: 1585 { 1586 struct cam_sim *sim; 1587 1588 sim = start_ccb->ccb_h.path->bus->sim; 1589 (*(sim->sim_action))(sim, start_ccb); 1590 break; 1591 } 1592 case XPT_SCSI_IO: 1593 { 1594 struct cam_ed *device; 1595 u_int maxlen = 0; 1596 1597 device = start_ccb->ccb_h.path->device; 1598 if (device->protocol == PROTO_SCSI && 1599 (device->flags & CAM_DEV_IDENTIFY_DATA_VALID)) { 1600 uint16_t p = 1601 device->ident_data.config & ATA_PROTO_MASK; 1602 1603 maxlen = (p == ATA_PROTO_ATAPI_16) ? 16 : 1604 (p == ATA_PROTO_ATAPI_12) ? 12 : 0; 1605 } 1606 if (start_ccb->csio.cdb_len > maxlen) { 1607 start_ccb->ccb_h.status = CAM_REQ_INVALID; 1608 xpt_done(start_ccb); 1609 break; 1610 } 1611 /* FALLTHROUGH */ 1612 } 1613 default: 1614 xpt_action_default(start_ccb); 1615 break; 1616 } 1617} 1618 1619static void 1620ata_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_ed *device, 1621 int async_update) 1622{ 1623 struct ccb_pathinq cpi; 1624 struct ccb_trans_settings cur_cts; 1625 struct ccb_trans_settings_scsi *scsi; 1626 struct ccb_trans_settings_scsi *cur_scsi; 1627 struct cam_sim *sim; 1628 struct scsi_inquiry_data *inq_data; 1629 1630 if (device == NULL) { 1631 cts->ccb_h.status = CAM_PATH_INVALID; 1632 xpt_done((union ccb *)cts); 1633 return; 1634 } 1635 1636 if (cts->protocol == PROTO_UNKNOWN 1637 || cts->protocol == PROTO_UNSPECIFIED) { 1638 cts->protocol = device->protocol; 1639 cts->protocol_version = device->protocol_version; 1640 } 1641 1642 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 1643 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 1644 cts->protocol_version = device->protocol_version; 1645 1646 if (cts->protocol != device->protocol) { 1647 xpt_print(cts->ccb_h.path, "Uninitialized Protocol %x:%x?\n", 1648 cts->protocol, device->protocol); 1649 cts->protocol = device->protocol; 1650 } 1651 1652 if (cts->protocol_version > device->protocol_version) { 1653 if (bootverbose) { 1654 xpt_print(cts->ccb_h.path, "Down reving Protocol " 1655 "Version from %d to %d?\n", cts->protocol_version, 1656 device->protocol_version); 1657 } 1658 cts->protocol_version = device->protocol_version; 1659 } 1660 1661 if (cts->transport == XPORT_UNKNOWN 1662 || cts->transport == XPORT_UNSPECIFIED) { 1663 cts->transport = device->transport; 1664 cts->transport_version = device->transport_version; 1665 } 1666 1667 if (cts->transport_version == XPORT_VERSION_UNKNOWN 1668 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 1669 cts->transport_version = device->transport_version; 1670 1671 if (cts->transport != device->transport) { 1672 xpt_print(cts->ccb_h.path, "Uninitialized Transport %x:%x?\n", 1673 cts->transport, device->transport); 1674 cts->transport = device->transport; 1675 } 1676 1677 if (cts->transport_version > device->transport_version) { 1678 if (bootverbose) { 1679 xpt_print(cts->ccb_h.path, "Down reving Transport " 1680 "Version from %d to %d?\n", cts->transport_version, 1681 device->transport_version); 1682 } 1683 cts->transport_version = device->transport_version; 1684 } 1685 1686 sim = cts->ccb_h.path->bus->sim; 1687 1688 /* 1689 * Nothing more of interest to do unless 1690 * this is a device connected via the 1691 * SCSI protocol. 1692 */ 1693 if (cts->protocol != PROTO_SCSI) { 1694 if (async_update == FALSE) 1695 (*(sim->sim_action))(sim, (union ccb *)cts); 1696 return; 1697 } 1698 1699 inq_data = &device->inq_data; 1700 scsi = &cts->proto_specific.scsi; 1701 xpt_setup_ccb(&cpi.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 1702 cpi.ccb_h.func_code = XPT_PATH_INQ; 1703 xpt_action((union ccb *)&cpi); 1704 1705 /* SCSI specific sanity checking */ 1706 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 1707 || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 1708 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 1709 || (device->mintags == 0)) { 1710 /* 1711 * Can't tag on hardware that doesn't support tags, 1712 * doesn't have it enabled, or has broken tag support. 1713 */ 1714 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1715 } 1716 1717 if (async_update == FALSE) { 1718 /* 1719 * Perform sanity checking against what the 1720 * controller and device can do. 1721 */ 1722 xpt_setup_ccb(&cur_cts.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 1723 cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1724 cur_cts.type = cts->type; 1725 xpt_action((union ccb *)&cur_cts); 1726 if ((cur_cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1727 return; 1728 } 1729 cur_scsi = &cur_cts.proto_specific.scsi; 1730 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 1731 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1732 scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 1733 } 1734 if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 1735 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1736 } 1737 1738 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 1739 && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 1740 int device_tagenb; 1741 1742 /* 1743 * If we are transitioning from tags to no-tags or 1744 * vice-versa, we need to carefully freeze and restart 1745 * the queue so that we don't overlap tagged and non-tagged 1746 * commands. We also temporarily stop tags if there is 1747 * a change in transfer negotiation settings to allow 1748 * "tag-less" negotiation. 1749 */ 1750 if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 1751 || (device->inq_flags & SID_CmdQue) != 0) 1752 device_tagenb = TRUE; 1753 else 1754 device_tagenb = FALSE; 1755 1756 if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 1757 && device_tagenb == FALSE) 1758 || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 1759 && device_tagenb == TRUE)) { 1760 1761 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 1762 /* 1763 * Delay change to use tags until after a 1764 * few commands have gone to this device so 1765 * the controller has time to perform transfer 1766 * negotiations without tagged messages getting 1767 * in the way. 1768 */ 1769 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 1770 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 1771 } else { 1772 xpt_stop_tags(cts->ccb_h.path); 1773 } 1774 } 1775 } 1776 if (async_update == FALSE) 1777 (*(sim->sim_action))(sim, (union ccb *)cts); 1778} 1779 1780/* 1781 * Handle any per-device event notifications that require action by the XPT. 1782 */ 1783static void 1784ata_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 1785 struct cam_ed *device, void *async_arg) 1786{ 1787 cam_status status; 1788 struct cam_path newpath; 1789 1790 /* 1791 * We only need to handle events for real devices. 1792 */ 1793 if (target->target_id == CAM_TARGET_WILDCARD 1794 || device->lun_id == CAM_LUN_WILDCARD) 1795 return; 1796 1797 /* 1798 * We need our own path with wildcards expanded to 1799 * handle certain types of events. 1800 */ 1801 if ((async_code == AC_SENT_BDR) 1802 || (async_code == AC_BUS_RESET) 1803 || (async_code == AC_INQ_CHANGED)) 1804 status = xpt_compile_path(&newpath, NULL, 1805 bus->path_id, 1806 target->target_id, 1807 device->lun_id); 1808 else 1809 status = CAM_REQ_CMP_ERR; 1810 1811 if (status == CAM_REQ_CMP) { 1812 if (async_code == AC_INQ_CHANGED) { 1813 /* 1814 * We've sent a start unit command, or 1815 * something similar to a device that 1816 * may have caused its inquiry data to 1817 * change. So we re-scan the device to 1818 * refresh the inquiry data for it. 1819 */ 1820 ata_scan_lun(newpath.periph, &newpath, 1821 CAM_EXPECT_INQ_CHANGE, NULL); 1822 } else { 1823 /* We need to reinitialize device after reset. */ 1824 ata_scan_lun(newpath.periph, &newpath, 1825 0, NULL); 1826 } 1827 xpt_release_path(&newpath); 1828 } else if (async_code == AC_LOST_DEVICE && 1829 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 1830 device->flags |= CAM_DEV_UNCONFIGURED; 1831 xpt_release_device(device); 1832 } else if (async_code == AC_TRANSFER_NEG) { 1833 struct ccb_trans_settings *settings; 1834 1835 settings = (struct ccb_trans_settings *)async_arg; 1836 ata_set_transfer_settings(settings, device, 1837 /*async_update*/TRUE); 1838 } 1839} 1840 1841static void 1842ata_announce_periph(struct cam_periph *periph) 1843{ 1844 struct ccb_pathinq cpi; 1845 struct ccb_trans_settings cts; 1846 struct cam_path *path = periph->path; 1847 u_int speed; 1848 u_int mb; 1849 1850 mtx_assert(periph->sim->mtx, MA_OWNED); 1851 1852 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 1853 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1854 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1855 xpt_action((union ccb*)&cts); 1856 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 1857 return; 1858 /* Ask the SIM for its base transfer speed */ 1859 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 1860 cpi.ccb_h.func_code = XPT_PATH_INQ; 1861 xpt_action((union ccb *)&cpi); 1862 /* Report connection speed */ 1863 speed = cpi.base_transfer_speed; 1864 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_ATA) { 1865 struct ccb_trans_settings_ata *ata = 1866 &cts.xport_specific.ata; 1867 1868 if (ata->valid & CTS_ATA_VALID_MODE) 1869 speed = ata_mode2speed(ata->mode); 1870 } 1871 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SATA) { 1872 struct ccb_trans_settings_sata *sata = 1873 &cts.xport_specific.sata; 1874 1875 if (sata->valid & CTS_SATA_VALID_REVISION) 1876 speed = ata_revision2speed(sata->revision); 1877 } 1878 mb = speed / 1000; 1879 if (mb > 0) 1880 printf("%s%d: %d.%03dMB/s transfers", 1881 periph->periph_name, periph->unit_number, 1882 mb, speed % 1000); 1883 else 1884 printf("%s%d: %dKB/s transfers", periph->periph_name, 1885 periph->unit_number, speed); 1886 /* Report additional information about connection */ 1887 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_ATA) { 1888 struct ccb_trans_settings_ata *ata = 1889 &cts.xport_specific.ata; 1890 1891 printf(" ("); 1892 if (ata->valid & CTS_ATA_VALID_MODE) 1893 printf("%s, ", ata_mode2string(ata->mode)); 1894 if ((ata->valid & CTS_ATA_VALID_ATAPI) && ata->atapi != 0) 1895 printf("ATAPI %dbytes, ", ata->atapi); 1896 if (ata->valid & CTS_ATA_VALID_BYTECOUNT) 1897 printf("PIO %dbytes", ata->bytecount); 1898 printf(")"); 1899 } 1900 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SATA) { 1901 struct ccb_trans_settings_sata *sata = 1902 &cts.xport_specific.sata; 1903 1904 printf(" ("); 1905 if (sata->valid & CTS_SATA_VALID_REVISION) 1906 printf("SATA %d.x, ", sata->revision); 1907 else 1908 printf("SATA, "); 1909 if (sata->valid & CTS_SATA_VALID_MODE) 1910 printf("%s, ", ata_mode2string(sata->mode)); 1911 if ((sata->valid & CTS_ATA_VALID_ATAPI) && sata->atapi != 0) 1912 printf("ATAPI %dbytes, ", sata->atapi); 1913 if (sata->valid & CTS_SATA_VALID_BYTECOUNT) 1914 printf("PIO %dbytes", sata->bytecount); 1915 printf(")"); 1916 } 1917 printf("\n"); 1918} 1919 1920