ata_xpt.c revision 208348
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 208348 2010-05-20 12:44:06Z marius $"); 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 u_int caps; 138 struct cam_periph *periph; 139} probe_softc; 140 141static struct ata_quirk_entry ata_quirk_table[] = 142{ 143 { 144 /* Default tagged queuing parameters for all devices */ 145 { 146 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 147 /*vendor*/"*", /*product*/"*", /*revision*/"*" 148 }, 149 /*quirks*/0, /*maxtags*/0 150 }, 151}; 152 153static const int ata_quirk_table_size = 154 sizeof(ata_quirk_table) / sizeof(*ata_quirk_table); 155 156static cam_status proberegister(struct cam_periph *periph, 157 void *arg); 158static void probeschedule(struct cam_periph *probe_periph); 159static void probestart(struct cam_periph *periph, union ccb *start_ccb); 160//static void proberequestdefaultnegotiation(struct cam_periph *periph); 161//static int proberequestbackoff(struct cam_periph *periph, 162// struct cam_ed *device); 163static void probedone(struct cam_periph *periph, union ccb *done_ccb); 164static void probecleanup(struct cam_periph *periph); 165static void ata_find_quirk(struct cam_ed *device); 166static void ata_scan_bus(struct cam_periph *periph, union ccb *ccb); 167static void ata_scan_lun(struct cam_periph *periph, 168 struct cam_path *path, cam_flags flags, 169 union ccb *ccb); 170static void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 171static struct cam_ed * 172 ata_alloc_device(struct cam_eb *bus, struct cam_et *target, 173 lun_id_t lun_id); 174static void ata_device_transport(struct cam_path *path); 175static void ata_set_transfer_settings(struct ccb_trans_settings *cts, 176 struct cam_ed *device, 177 int async_update); 178static void ata_dev_async(u_int32_t async_code, 179 struct cam_eb *bus, 180 struct cam_et *target, 181 struct cam_ed *device, 182 void *async_arg); 183static void ata_action(union ccb *start_ccb); 184static void ata_announce_periph(struct cam_periph *periph); 185 186static struct xpt_xport ata_xport = { 187 .alloc_device = ata_alloc_device, 188 .action = ata_action, 189 .async = ata_dev_async, 190 .announce = ata_announce_periph, 191}; 192 193struct xpt_xport * 194ata_get_xport(void) 195{ 196 return (&ata_xport); 197} 198 199static void 200probe_periph_init() 201{ 202} 203 204static cam_status 205proberegister(struct cam_periph *periph, void *arg) 206{ 207 union ccb *request_ccb; /* CCB representing the probe request */ 208 cam_status status; 209 probe_softc *softc; 210 211 request_ccb = (union ccb *)arg; 212 if (periph == NULL) { 213 printf("proberegister: periph was NULL!!\n"); 214 return(CAM_REQ_CMP_ERR); 215 } 216 217 if (request_ccb == NULL) { 218 printf("proberegister: no probe CCB, " 219 "can't register device\n"); 220 return(CAM_REQ_CMP_ERR); 221 } 222 223 softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_ZERO | M_NOWAIT); 224 225 if (softc == NULL) { 226 printf("proberegister: Unable to probe new device. " 227 "Unable to allocate softc\n"); 228 return(CAM_REQ_CMP_ERR); 229 } 230 TAILQ_INIT(&softc->request_ccbs); 231 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 232 periph_links.tqe); 233 softc->flags = 0; 234 periph->softc = softc; 235 softc->periph = periph; 236 softc->action = PROBE_INVALID; 237 status = cam_periph_acquire(periph); 238 if (status != CAM_REQ_CMP) { 239 return (status); 240 } 241 /* 242 * Ensure nobody slip in until probe finish. 243 */ 244 cam_freeze_devq_arg(periph->path, 245 RELSIM_RELEASE_RUNLEVEL, CAM_RL_XPT + 1); 246 probeschedule(periph); 247 return(CAM_REQ_CMP); 248} 249 250static void 251probeschedule(struct cam_periph *periph) 252{ 253 union ccb *ccb; 254 probe_softc *softc; 255 256 softc = (probe_softc *)periph->softc; 257 ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 258 259 if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) || 260 periph->path->device->protocol == PROTO_SATAPM) 261 PROBE_SET_ACTION(softc, PROBE_RESET); 262 else 263 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 264 265 if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 266 softc->flags |= PROBE_NO_ANNOUNCE; 267 else 268 softc->flags &= ~PROBE_NO_ANNOUNCE; 269 270 xpt_schedule(periph, CAM_PRIORITY_XPT); 271} 272 273static void 274probestart(struct cam_periph *periph, union ccb *start_ccb) 275{ 276 struct ccb_trans_settings cts; 277 struct ccb_ataio *ataio; 278 struct ccb_scsiio *csio; 279 probe_softc *softc; 280 struct cam_path *path; 281 struct ata_params *ident_buf; 282 283 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n")); 284 285 softc = (probe_softc *)periph->softc; 286 path = start_ccb->ccb_h.path; 287 ataio = &start_ccb->ataio; 288 csio = &start_ccb->csio; 289 ident_buf = &periph->path->device->ident_data; 290 291 if (softc->restart) { 292 softc->restart = 0; 293 if ((path->device->flags & CAM_DEV_UNCONFIGURED) || 294 path->device->protocol == PROTO_SATAPM) 295 softc->action = PROBE_RESET; 296 else 297 softc->action = PROBE_IDENTIFY; 298 } 299 switch (softc->action) { 300 case PROBE_RESET: 301 cam_fill_ataio(ataio, 302 0, 303 probedone, 304 /*flags*/CAM_DIR_NONE, 305 0, 306 /*data_ptr*/NULL, 307 /*dxfer_len*/0, 308 15 * 1000); 309 ata_reset_cmd(ataio); 310 break; 311 case PROBE_IDENTIFY: 312 cam_fill_ataio(ataio, 313 1, 314 probedone, 315 /*flags*/CAM_DIR_IN, 316 0, 317 /*data_ptr*/(u_int8_t *)&softc->ident_data, 318 /*dxfer_len*/sizeof(softc->ident_data), 319 30 * 1000); 320 if (periph->path->device->protocol == PROTO_ATA) 321 ata_28bit_cmd(ataio, ATA_ATA_IDENTIFY, 0, 0, 0); 322 else 323 ata_28bit_cmd(ataio, ATA_ATAPI_IDENTIFY, 0, 0, 0); 324 break; 325 case PROBE_SPINUP: 326 if (bootverbose) 327 xpt_print(path, "Spinning up device\n"); 328 cam_fill_ataio(ataio, 329 1, 330 probedone, 331 /*flags*/CAM_DIR_NONE | CAM_HIGH_POWER, 332 0, 333 /*data_ptr*/NULL, 334 /*dxfer_len*/0, 335 30 * 1000); 336 ata_28bit_cmd(ataio, ATA_SETFEATURES, ATA_SF_PUIS_SPINUP, 0, 0); 337 break; 338 case PROBE_SETMODE: 339 { 340 int mode, wantmode; 341 342 mode = 0; 343 /* Fetch user modes from SIM. */ 344 bzero(&cts, sizeof(cts)); 345 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 346 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 347 cts.type = CTS_TYPE_USER_SETTINGS; 348 xpt_action((union ccb *)&cts); 349 if (path->device->transport == XPORT_ATA) { 350 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_MODE) 351 mode = cts.xport_specific.ata.mode; 352 } else { 353 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_MODE) 354 mode = cts.xport_specific.sata.mode; 355 } 356negotiate: 357 /* Honor device capabilities. */ 358 wantmode = mode = ata_max_mode(ident_buf, mode); 359 /* Report modes to SIM. */ 360 bzero(&cts, sizeof(cts)); 361 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 362 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 363 cts.type = CTS_TYPE_CURRENT_SETTINGS; 364 if (path->device->transport == XPORT_ATA) { 365 cts.xport_specific.ata.mode = mode; 366 cts.xport_specific.ata.valid = CTS_ATA_VALID_MODE; 367 } else { 368 cts.xport_specific.sata.mode = mode; 369 cts.xport_specific.sata.valid = CTS_SATA_VALID_MODE; 370 } 371 xpt_action((union ccb *)&cts); 372 /* Fetch current modes from SIM. */ 373 bzero(&cts, sizeof(cts)); 374 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 375 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 376 cts.type = CTS_TYPE_CURRENT_SETTINGS; 377 xpt_action((union ccb *)&cts); 378 if (path->device->transport == XPORT_ATA) { 379 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_MODE) 380 mode = cts.xport_specific.ata.mode; 381 } else { 382 if (cts.xport_specific.ata.valid & CTS_SATA_VALID_MODE) 383 mode = cts.xport_specific.sata.mode; 384 } 385 /* If SIM disagree - renegotiate. */ 386 if (mode != wantmode) 387 goto negotiate; 388 cam_fill_ataio(ataio, 389 1, 390 probedone, 391 /*flags*/CAM_DIR_NONE, 392 0, 393 /*data_ptr*/NULL, 394 /*dxfer_len*/0, 395 30 * 1000); 396 ata_28bit_cmd(ataio, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode); 397 break; 398 } 399 case PROBE_SETPM: 400 cam_fill_ataio(ataio, 401 1, 402 probedone, 403 CAM_DIR_NONE, 404 0, 405 NULL, 406 0, 407 30*1000); 408 ata_28bit_cmd(ataio, ATA_SETFEATURES, 409 (softc->caps & CTS_SATA_CAPS_H_PMREQ) ? 0x10 : 0x90, 410 0, 0x03); 411 break; 412 case PROBE_SETAPST: 413 cam_fill_ataio(ataio, 414 1, 415 probedone, 416 CAM_DIR_NONE, 417 0, 418 NULL, 419 0, 420 30*1000); 421 ata_28bit_cmd(ataio, ATA_SETFEATURES, 422 (softc->caps & CTS_SATA_CAPS_H_APST) ? 0x10 : 0x90, 423 0, 0x07); 424 break; 425 case PROBE_SETDMAAA: 426 cam_fill_ataio(ataio, 427 1, 428 probedone, 429 CAM_DIR_NONE, 430 0, 431 NULL, 432 0, 433 30*1000); 434 ata_28bit_cmd(ataio, ATA_SETFEATURES, 435 (softc->caps & CTS_SATA_CAPS_H_DMAAA) ? 0x10 : 0x90, 436 0, 0x02); 437 break; 438 case PROBE_SET_MULTI: 439 { 440 u_int sectors, bytecount; 441 442 bytecount = 8192; /* SATA maximum */ 443 /* Fetch user bytecount from SIM. */ 444 bzero(&cts, sizeof(cts)); 445 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 446 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 447 cts.type = CTS_TYPE_USER_SETTINGS; 448 xpt_action((union ccb *)&cts); 449 if (path->device->transport == XPORT_ATA) { 450 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 451 bytecount = cts.xport_specific.ata.bytecount; 452 } else { 453 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 454 bytecount = cts.xport_specific.sata.bytecount; 455 } 456 /* Honor device capabilities. */ 457 sectors = max(1, min(ident_buf->sectors_intr & 0xff, 458 bytecount / ata_logical_sector_size(ident_buf))); 459 /* Report bytecount to SIM. */ 460 bzero(&cts, sizeof(cts)); 461 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 462 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 463 cts.type = CTS_TYPE_CURRENT_SETTINGS; 464 if (path->device->transport == XPORT_ATA) { 465 cts.xport_specific.ata.bytecount = sectors * 466 ata_logical_sector_size(ident_buf); 467 cts.xport_specific.ata.valid = CTS_ATA_VALID_BYTECOUNT; 468 } else { 469 cts.xport_specific.sata.bytecount = sectors * 470 ata_logical_sector_size(ident_buf); 471 cts.xport_specific.sata.valid = CTS_SATA_VALID_BYTECOUNT; 472 } 473 xpt_action((union ccb *)&cts); 474 /* Fetch current bytecount from SIM. */ 475 bzero(&cts, sizeof(cts)); 476 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 477 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 478 cts.type = CTS_TYPE_CURRENT_SETTINGS; 479 xpt_action((union ccb *)&cts); 480 if (path->device->transport == XPORT_ATA) { 481 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 482 bytecount = cts.xport_specific.ata.bytecount; 483 } else { 484 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 485 bytecount = cts.xport_specific.sata.bytecount; 486 } 487 sectors = bytecount / ata_logical_sector_size(ident_buf); 488 489 cam_fill_ataio(ataio, 490 1, 491 probedone, 492 CAM_DIR_NONE, 493 0, 494 NULL, 495 0, 496 30*1000); 497 ata_28bit_cmd(ataio, ATA_SET_MULTI, 0, 0, sectors); 498 break; 499 } 500 case PROBE_INQUIRY: 501 { 502 u_int bytecount; 503 504 bytecount = 8192; /* SATA maximum */ 505 /* Fetch user bytecount from SIM. */ 506 bzero(&cts, sizeof(cts)); 507 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 508 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 509 cts.type = CTS_TYPE_USER_SETTINGS; 510 xpt_action((union ccb *)&cts); 511 if (path->device->transport == XPORT_ATA) { 512 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 513 bytecount = cts.xport_specific.ata.bytecount; 514 } else { 515 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 516 bytecount = cts.xport_specific.sata.bytecount; 517 } 518 /* Honor device capabilities. */ 519 bytecount &= ~1; 520 bytecount = max(2, min(65534, bytecount)); 521 if (ident_buf->satacapabilities != 0x0000 && 522 ident_buf->satacapabilities != 0xffff) { 523 bytecount = min(8192, bytecount); 524 } 525 /* Report bytecount to SIM. */ 526 bzero(&cts, sizeof(cts)); 527 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 528 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 529 cts.type = CTS_TYPE_CURRENT_SETTINGS; 530 if (path->device->transport == XPORT_ATA) { 531 cts.xport_specific.ata.bytecount = bytecount; 532 cts.xport_specific.ata.valid = CTS_ATA_VALID_BYTECOUNT; 533 } else { 534 cts.xport_specific.sata.bytecount = bytecount; 535 cts.xport_specific.sata.valid = CTS_SATA_VALID_BYTECOUNT; 536 } 537 xpt_action((union ccb *)&cts); 538 /* FALLTHROUGH */ 539 } 540 case PROBE_FULL_INQUIRY: 541 { 542 u_int inquiry_len; 543 struct scsi_inquiry_data *inq_buf = 544 &periph->path->device->inq_data; 545 546 if (softc->action == PROBE_INQUIRY) 547 inquiry_len = SHORT_INQUIRY_LENGTH; 548 else 549 inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 550 /* 551 * Some parallel SCSI devices fail to send an 552 * ignore wide residue message when dealing with 553 * odd length inquiry requests. Round up to be 554 * safe. 555 */ 556 inquiry_len = roundup2(inquiry_len, 2); 557 scsi_inquiry(csio, 558 /*retries*/1, 559 probedone, 560 MSG_SIMPLE_Q_TAG, 561 (u_int8_t *)inq_buf, 562 inquiry_len, 563 /*evpd*/FALSE, 564 /*page_code*/0, 565 SSD_MIN_SIZE, 566 /*timeout*/60 * 1000); 567 break; 568 } 569 case PROBE_PM_PID: 570 cam_fill_ataio(ataio, 571 1, 572 probedone, 573 /*flags*/CAM_DIR_NONE, 574 0, 575 /*data_ptr*/NULL, 576 /*dxfer_len*/0, 577 10 * 1000); 578 ata_pm_read_cmd(ataio, 0, 15); 579 break; 580 case PROBE_PM_PRV: 581 cam_fill_ataio(ataio, 582 1, 583 probedone, 584 /*flags*/CAM_DIR_NONE, 585 0, 586 /*data_ptr*/NULL, 587 /*dxfer_len*/0, 588 10 * 1000); 589 ata_pm_read_cmd(ataio, 1, 15); 590 break; 591 case PROBE_INVALID: 592 CAM_DEBUG(path, CAM_DEBUG_INFO, 593 ("probestart: invalid action state\n")); 594 default: 595 break; 596 } 597 xpt_action(start_ccb); 598} 599#if 0 600static void 601proberequestdefaultnegotiation(struct cam_periph *periph) 602{ 603 struct ccb_trans_settings cts; 604 605 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 606 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 607 cts.type = CTS_TYPE_USER_SETTINGS; 608 xpt_action((union ccb *)&cts); 609 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 610 return; 611 } 612 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 613 cts.type = CTS_TYPE_CURRENT_SETTINGS; 614 xpt_action((union ccb *)&cts); 615} 616 617/* 618 * Backoff Negotiation Code- only pertinent for SPI devices. 619 */ 620static int 621proberequestbackoff(struct cam_periph *periph, struct cam_ed *device) 622{ 623 struct ccb_trans_settings cts; 624 struct ccb_trans_settings_spi *spi; 625 626 memset(&cts, 0, sizeof (cts)); 627 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 628 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 629 cts.type = CTS_TYPE_CURRENT_SETTINGS; 630 xpt_action((union ccb *)&cts); 631 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 632 if (bootverbose) { 633 xpt_print(periph->path, 634 "failed to get current device settings\n"); 635 } 636 return (0); 637 } 638 if (cts.transport != XPORT_SPI) { 639 if (bootverbose) { 640 xpt_print(periph->path, "not SPI transport\n"); 641 } 642 return (0); 643 } 644 spi = &cts.xport_specific.spi; 645 646 /* 647 * We cannot renegotiate sync rate if we don't have one. 648 */ 649 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 650 if (bootverbose) { 651 xpt_print(periph->path, "no sync rate known\n"); 652 } 653 return (0); 654 } 655 656 /* 657 * We'll assert that we don't have to touch PPR options- the 658 * SIM will see what we do with period and offset and adjust 659 * the PPR options as appropriate. 660 */ 661 662 /* 663 * A sync rate with unknown or zero offset is nonsensical. 664 * A sync period of zero means Async. 665 */ 666 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0 667 || spi->sync_offset == 0 || spi->sync_period == 0) { 668 if (bootverbose) { 669 xpt_print(periph->path, "no sync rate available\n"); 670 } 671 return (0); 672 } 673 674 if (device->flags & CAM_DEV_DV_HIT_BOTTOM) { 675 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 676 ("hit async: giving up on DV\n")); 677 return (0); 678 } 679 680 681 /* 682 * Jump sync_period up by one, but stop at 5MHz and fall back to Async. 683 * We don't try to remember 'last' settings to see if the SIM actually 684 * gets into the speed we want to set. We check on the SIM telling 685 * us that a requested speed is bad, but otherwise don't try and 686 * check the speed due to the asynchronous and handshake nature 687 * of speed setting. 688 */ 689 spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET; 690 for (;;) { 691 spi->sync_period++; 692 if (spi->sync_period >= 0xf) { 693 spi->sync_period = 0; 694 spi->sync_offset = 0; 695 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 696 ("setting to async for DV\n")); 697 /* 698 * Once we hit async, we don't want to try 699 * any more settings. 700 */ 701 device->flags |= CAM_DEV_DV_HIT_BOTTOM; 702 } else if (bootverbose) { 703 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 704 ("DV: period 0x%x\n", spi->sync_period)); 705 printf("setting period to 0x%x\n", spi->sync_period); 706 } 707 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 708 cts.type = CTS_TYPE_CURRENT_SETTINGS; 709 xpt_action((union ccb *)&cts); 710 if ((cts.ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 711 break; 712 } 713 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 714 ("DV: failed to set period 0x%x\n", spi->sync_period)); 715 if (spi->sync_period == 0) { 716 return (0); 717 } 718 } 719 return (1); 720} 721#endif 722static void 723probedone(struct cam_periph *periph, union ccb *done_ccb) 724{ 725 struct ccb_trans_settings cts; 726 struct ata_params *ident_buf; 727 probe_softc *softc; 728 struct cam_path *path; 729 u_int32_t priority; 730 u_int caps; 731 int found = 1; 732 733 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 734 735 softc = (probe_softc *)periph->softc; 736 path = done_ccb->ccb_h.path; 737 priority = done_ccb->ccb_h.pinfo.priority; 738 ident_buf = &path->device->ident_data; 739 740 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 741device_fail: if ((!softc->restart) && 742 cam_periph_error(done_ccb, 0, 0, NULL) == ERESTART) { 743 return; 744 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 745 /* Don't wedge the queue */ 746 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 747 /*run_queue*/TRUE); 748 } 749 /* Old PIO2 devices may not support mode setting. */ 750 if (softc->action == PROBE_SETMODE && 751 ata_max_pmode(ident_buf) <= ATA_PIO2 && 752 (ident_buf->capabilities1 & ATA_SUPPORT_IORDY) == 0) 753 goto noerror; 754 /* 755 * If we get to this point, we got an error status back 756 * from the inquiry and the error status doesn't require 757 * automatically retrying the command. Therefore, the 758 * inquiry failed. If we had inquiry information before 759 * for this device, but this latest inquiry command failed, 760 * the device has probably gone away. If this device isn't 761 * already marked unconfigured, notify the peripheral 762 * drivers that this device is no more. 763 */ 764 if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 765 xpt_async(AC_LOST_DEVICE, path, NULL); 766 found = 0; 767 goto done; 768 } 769noerror: 770 if (softc->restart) 771 goto done; 772 switch (softc->action) { 773 case PROBE_RESET: 774 { 775 int sign = (done_ccb->ataio.res.lba_high << 8) + 776 done_ccb->ataio.res.lba_mid; 777 if (bootverbose) 778 xpt_print(path, "SIGNATURE: %04x\n", sign); 779 if (sign == 0x0000 && 780 done_ccb->ccb_h.target_id != 15) { 781 path->device->protocol = PROTO_ATA; 782 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 783 } else if (sign == 0x9669 && 784 done_ccb->ccb_h.target_id == 15) { 785 /* Report SIM that PM is present. */ 786 bzero(&cts, sizeof(cts)); 787 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 788 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 789 cts.type = CTS_TYPE_CURRENT_SETTINGS; 790 cts.xport_specific.sata.pm_present = 1; 791 cts.xport_specific.sata.valid = CTS_SATA_VALID_PM; 792 xpt_action((union ccb *)&cts); 793 path->device->protocol = PROTO_SATAPM; 794 PROBE_SET_ACTION(softc, PROBE_PM_PID); 795 } else if (sign == 0xeb14 && 796 done_ccb->ccb_h.target_id != 15) { 797 path->device->protocol = PROTO_SCSI; 798 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 799 } else { 800 if (done_ccb->ccb_h.target_id != 15) { 801 xpt_print(path, 802 "Unexpected signature 0x%04x\n", sign); 803 } 804 goto device_fail; 805 } 806 xpt_release_ccb(done_ccb); 807 xpt_schedule(periph, priority); 808 return; 809 } 810 case PROBE_IDENTIFY: 811 { 812 struct ccb_pathinq cpi; 813 int16_t *ptr; 814 int changed = 1; 815 816 ident_buf = &softc->ident_data; 817 for (ptr = (int16_t *)ident_buf; 818 ptr < (int16_t *)ident_buf + sizeof(struct ata_params)/2; ptr++) { 819 *ptr = le16toh(*ptr); 820 } 821 if (strncmp(ident_buf->model, "FX", 2) && 822 strncmp(ident_buf->model, "NEC", 3) && 823 strncmp(ident_buf->model, "Pioneer", 7) && 824 strncmp(ident_buf->model, "SHARP", 5)) { 825 ata_bswap(ident_buf->model, sizeof(ident_buf->model)); 826 ata_bswap(ident_buf->revision, sizeof(ident_buf->revision)); 827 ata_bswap(ident_buf->serial, sizeof(ident_buf->serial)); 828 } 829 ata_btrim(ident_buf->model, sizeof(ident_buf->model)); 830 ata_bpack(ident_buf->model, ident_buf->model, sizeof(ident_buf->model)); 831 ata_btrim(ident_buf->revision, sizeof(ident_buf->revision)); 832 ata_bpack(ident_buf->revision, ident_buf->revision, sizeof(ident_buf->revision)); 833 ata_btrim(ident_buf->serial, sizeof(ident_buf->serial)); 834 ata_bpack(ident_buf->serial, ident_buf->serial, sizeof(ident_buf->serial)); 835 /* Device may need spin-up before IDENTIFY become valid. */ 836 if ((ident_buf->specconf == 0x37c8 || 837 ident_buf->specconf == 0x738c) && 838 ((ident_buf->config & ATA_RESP_INCOMPLETE) || 839 softc->spinup == 0)) { 840 PROBE_SET_ACTION(softc, PROBE_SPINUP); 841 xpt_release_ccb(done_ccb); 842 xpt_schedule(periph, priority); 843 return; 844 } 845 ident_buf = &path->device->ident_data; 846 if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 847 /* Check that it is the same device. */ 848 if (bcmp(softc->ident_data.model, ident_buf->model, 849 sizeof(ident_buf->model)) || 850 bcmp(softc->ident_data.revision, ident_buf->revision, 851 sizeof(ident_buf->revision)) || 852 bcmp(softc->ident_data.serial, ident_buf->serial, 853 sizeof(ident_buf->serial))) { 854 /* Device changed. */ 855 xpt_async(AC_LOST_DEVICE, path, NULL); 856 } else { 857 bcopy(&softc->ident_data, ident_buf, sizeof(struct ata_params)); 858 changed = 0; 859 } 860 } 861 if (changed) { 862 bcopy(&softc->ident_data, ident_buf, sizeof(struct ata_params)); 863 /* Clean up from previous instance of this device */ 864 if (path->device->serial_num != NULL) { 865 free(path->device->serial_num, M_CAMXPT); 866 path->device->serial_num = NULL; 867 path->device->serial_num_len = 0; 868 } 869 path->device->serial_num = 870 (u_int8_t *)malloc((sizeof(ident_buf->serial) + 1), 871 M_CAMXPT, M_NOWAIT); 872 if (path->device->serial_num != NULL) { 873 bcopy(ident_buf->serial, 874 path->device->serial_num, 875 sizeof(ident_buf->serial)); 876 path->device->serial_num[sizeof(ident_buf->serial)] 877 = '\0'; 878 path->device->serial_num_len = 879 strlen(path->device->serial_num); 880 } 881 882 path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 883 } 884 if (ident_buf->satacapabilities & ATA_SUPPORT_NCQ) { 885 path->device->mintags = path->device->maxtags = 886 ATA_QUEUE_LEN(ident_buf->queue) + 1; 887 } 888 ata_find_quirk(path->device); 889 if (path->device->mintags != 0 && 890 path->bus->sim->max_tagged_dev_openings != 0) { 891 /* Check if the SIM does not want queued commands. */ 892 bzero(&cpi, sizeof(cpi)); 893 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 894 cpi.ccb_h.func_code = XPT_PATH_INQ; 895 xpt_action((union ccb *)&cpi); 896 if (cpi.ccb_h.status == CAM_REQ_CMP && 897 (cpi.hba_inquiry & PI_TAG_ABLE)) { 898 /* Report SIM which tags are allowed. */ 899 bzero(&cts, sizeof(cts)); 900 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 901 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 902 cts.type = CTS_TYPE_CURRENT_SETTINGS; 903 cts.xport_specific.sata.tags = path->device->maxtags; 904 cts.xport_specific.sata.valid = CTS_SATA_VALID_TAGS; 905 xpt_action((union ccb *)&cts); 906 /* Reconfigure queues for tagged queueing. */ 907 xpt_start_tags(path); 908 } 909 } 910 ata_device_transport(path); 911 PROBE_SET_ACTION(softc, PROBE_SETMODE); 912 xpt_release_ccb(done_ccb); 913 xpt_schedule(periph, priority); 914 return; 915 } 916 case PROBE_SPINUP: 917 if (bootverbose) 918 xpt_print(path, "Spin-up done\n"); 919 softc->spinup = 1; 920 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 921 xpt_release_ccb(done_ccb); 922 xpt_schedule(periph, priority); 923 return; 924 case PROBE_SETMODE: 925 if (path->device->transport != XPORT_SATA) 926 goto notsata; 927 /* Set supported bits. */ 928 bzero(&cts, sizeof(cts)); 929 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 930 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 931 cts.type = CTS_TYPE_CURRENT_SETTINGS; 932 xpt_action((union ccb *)&cts); 933 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 934 caps = cts.xport_specific.sata.caps & CTS_SATA_CAPS_H; 935 else 936 caps = 0; 937 if (ident_buf->satacapabilities != 0xffff) { 938 if (ident_buf->satacapabilities & ATA_SUPPORT_IFPWRMNGTRCV) 939 caps |= CTS_SATA_CAPS_D_PMREQ; 940 if (ident_buf->satacapabilities & ATA_SUPPORT_HAPST) 941 caps |= CTS_SATA_CAPS_D_APST; 942 } 943 /* Mask unwanted bits. */ 944 bzero(&cts, sizeof(cts)); 945 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 946 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 947 cts.type = CTS_TYPE_USER_SETTINGS; 948 xpt_action((union ccb *)&cts); 949 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 950 caps &= cts.xport_specific.sata.caps; 951 /* Store result to SIM. */ 952 bzero(&cts, sizeof(cts)); 953 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 954 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 955 cts.type = CTS_TYPE_CURRENT_SETTINGS; 956 cts.xport_specific.sata.caps = caps; 957 cts.xport_specific.sata.valid = CTS_SATA_VALID_CAPS; 958 xpt_action((union ccb *)&cts); 959 softc->caps = caps; 960 if (ident_buf->satasupport & ATA_SUPPORT_IFPWRMNGT) { 961 PROBE_SET_ACTION(softc, PROBE_SETPM); 962 xpt_release_ccb(done_ccb); 963 xpt_schedule(periph, priority); 964 return; 965 } 966 /* FALLTHROUGH */ 967 case PROBE_SETPM: 968 if (ident_buf->satacapabilities != 0xffff && 969 ident_buf->satacapabilities & ATA_SUPPORT_DAPST) { 970 PROBE_SET_ACTION(softc, PROBE_SETAPST); 971 xpt_release_ccb(done_ccb); 972 xpt_schedule(periph, priority); 973 return; 974 } 975 /* FALLTHROUGH */ 976 case PROBE_SETAPST: 977 if (ident_buf->satasupport & ATA_SUPPORT_AUTOACTIVATE) { 978 PROBE_SET_ACTION(softc, PROBE_SETDMAAA); 979 xpt_release_ccb(done_ccb); 980 xpt_schedule(periph, priority); 981 return; 982 } 983 /* FALLTHROUGH */ 984 case PROBE_SETDMAAA: 985notsata: 986 if (path->device->protocol == PROTO_ATA) { 987 PROBE_SET_ACTION(softc, PROBE_SET_MULTI); 988 } else { 989 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 990 } 991 xpt_release_ccb(done_ccb); 992 xpt_schedule(periph, priority); 993 return; 994 case PROBE_SET_MULTI: 995 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 996 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 997 xpt_acquire_device(path->device); 998 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 999 xpt_action(done_ccb); 1000 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1001 done_ccb); 1002 } 1003 break; 1004 case PROBE_INQUIRY: 1005 case PROBE_FULL_INQUIRY: 1006 { 1007 struct scsi_inquiry_data *inq_buf; 1008 u_int8_t periph_qual, len; 1009 1010 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1011 inq_buf = &path->device->inq_data; 1012 1013 periph_qual = SID_QUAL(inq_buf); 1014 1015 if (periph_qual != SID_QUAL_LU_CONNECTED) 1016 break; 1017 1018 /* 1019 * We conservatively request only 1020 * SHORT_INQUIRY_LEN bytes of inquiry 1021 * information during our first try 1022 * at sending an INQUIRY. If the device 1023 * has more information to give, 1024 * perform a second request specifying 1025 * the amount of information the device 1026 * is willing to give. 1027 */ 1028 len = inq_buf->additional_length 1029 + offsetof(struct scsi_inquiry_data, additional_length) + 1; 1030 if (softc->action == PROBE_INQUIRY 1031 && len > SHORT_INQUIRY_LENGTH) { 1032 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1033 xpt_release_ccb(done_ccb); 1034 xpt_schedule(periph, priority); 1035 return; 1036 } 1037 1038 ata_device_transport(path); 1039 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1040 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1041 xpt_acquire_device(path->device); 1042 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1043 xpt_action(done_ccb); 1044 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, done_ccb); 1045 } 1046 break; 1047 } 1048 case PROBE_PM_PID: 1049 if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) == 0) 1050 bzero(ident_buf, sizeof(*ident_buf)); 1051 softc->pm_pid = (done_ccb->ataio.res.lba_high << 24) + 1052 (done_ccb->ataio.res.lba_mid << 16) + 1053 (done_ccb->ataio.res.lba_low << 8) + 1054 done_ccb->ataio.res.sector_count; 1055 ((uint32_t *)ident_buf)[0] = softc->pm_pid; 1056 snprintf(ident_buf->model, sizeof(ident_buf->model), 1057 "Port Multiplier %08x", softc->pm_pid); 1058 PROBE_SET_ACTION(softc, PROBE_PM_PRV); 1059 xpt_release_ccb(done_ccb); 1060 xpt_schedule(periph, priority); 1061 return; 1062 case PROBE_PM_PRV: 1063 softc->pm_prv = (done_ccb->ataio.res.lba_high << 24) + 1064 (done_ccb->ataio.res.lba_mid << 16) + 1065 (done_ccb->ataio.res.lba_low << 8) + 1066 done_ccb->ataio.res.sector_count; 1067 ((uint32_t *)ident_buf)[1] = softc->pm_prv; 1068 snprintf(ident_buf->revision, sizeof(ident_buf->revision), 1069 "%04x", softc->pm_prv); 1070 path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 1071 /* Set supported bits. */ 1072 bzero(&cts, sizeof(cts)); 1073 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1074 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1075 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1076 xpt_action((union ccb *)&cts); 1077 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1078 caps = cts.xport_specific.sata.caps & CTS_SATA_CAPS_H; 1079 else 1080 caps = 0; 1081 /* All PMPs must support PM requests. */ 1082 caps |= CTS_SATA_CAPS_D_PMREQ; 1083 /* Mask unwanted bits. */ 1084 bzero(&cts, sizeof(cts)); 1085 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1086 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1087 cts.type = CTS_TYPE_USER_SETTINGS; 1088 xpt_action((union ccb *)&cts); 1089 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1090 caps &= cts.xport_specific.sata.caps; 1091 /* Store result to SIM. */ 1092 bzero(&cts, sizeof(cts)); 1093 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1094 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1095 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1096 cts.xport_specific.sata.caps = caps; 1097 cts.xport_specific.sata.valid = CTS_SATA_VALID_CAPS; 1098 xpt_action((union ccb *)&cts); 1099 softc->caps = caps; 1100 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1101 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1102 xpt_acquire_device(path->device); 1103 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1104 xpt_action(done_ccb); 1105 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1106 done_ccb); 1107 } else { 1108 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1109 xpt_action(done_ccb); 1110 xpt_async(AC_SCSI_AEN, done_ccb->ccb_h.path, done_ccb); 1111 } 1112 break; 1113 case PROBE_INVALID: 1114 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_INFO, 1115 ("probedone: invalid action state\n")); 1116 default: 1117 break; 1118 } 1119done: 1120 if (softc->restart) { 1121 softc->restart = 0; 1122 xpt_release_ccb(done_ccb); 1123 probeschedule(periph); 1124 return; 1125 } 1126 xpt_release_ccb(done_ccb); 1127 while ((done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs))) { 1128 TAILQ_REMOVE(&softc->request_ccbs, 1129 &done_ccb->ccb_h, periph_links.tqe); 1130 done_ccb->ccb_h.status = found ? CAM_REQ_CMP : CAM_REQ_CMP_ERR; 1131 xpt_done(done_ccb); 1132 } 1133 cam_release_devq(periph->path, 1134 RELSIM_RELEASE_RUNLEVEL, 0, CAM_RL_XPT + 1, FALSE); 1135 cam_periph_invalidate(periph); 1136 cam_periph_release_locked(periph); 1137} 1138 1139static void 1140probecleanup(struct cam_periph *periph) 1141{ 1142 free(periph->softc, M_CAMXPT); 1143} 1144 1145static void 1146ata_find_quirk(struct cam_ed *device) 1147{ 1148 struct ata_quirk_entry *quirk; 1149 caddr_t match; 1150 1151 match = cam_quirkmatch((caddr_t)&device->ident_data, 1152 (caddr_t)ata_quirk_table, 1153 ata_quirk_table_size, 1154 sizeof(*ata_quirk_table), ata_identify_match); 1155 1156 if (match == NULL) 1157 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1158 1159 quirk = (struct ata_quirk_entry *)match; 1160 device->quirk = quirk; 1161 if (quirk->quirks & CAM_QUIRK_MAXTAGS) 1162 device->mintags = device->maxtags = quirk->maxtags; 1163} 1164 1165typedef struct { 1166 union ccb *request_ccb; 1167 struct ccb_pathinq *cpi; 1168 int counter; 1169} ata_scan_bus_info; 1170 1171/* 1172 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1173 * As the scan progresses, xpt_scan_bus is used as the 1174 * callback on completion function. 1175 */ 1176static void 1177ata_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1178{ 1179 struct cam_path *path; 1180 ata_scan_bus_info *scan_info; 1181 union ccb *work_ccb, *reset_ccb; 1182 cam_status status; 1183 1184 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1185 ("xpt_scan_bus\n")); 1186 switch (request_ccb->ccb_h.func_code) { 1187 case XPT_SCAN_BUS: 1188 /* Find out the characteristics of the bus */ 1189 work_ccb = xpt_alloc_ccb_nowait(); 1190 if (work_ccb == NULL) { 1191 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1192 xpt_done(request_ccb); 1193 return; 1194 } 1195 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1196 request_ccb->ccb_h.pinfo.priority); 1197 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1198 xpt_action(work_ccb); 1199 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1200 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1201 xpt_free_ccb(work_ccb); 1202 xpt_done(request_ccb); 1203 return; 1204 } 1205 1206 /* We may need to reset bus first, if we haven't done it yet. */ 1207 if ((work_ccb->cpi.hba_inquiry & 1208 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1209 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1210 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset)) { 1211 reset_ccb = xpt_alloc_ccb_nowait(); 1212 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1213 CAM_PRIORITY_NONE); 1214 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1215 xpt_action(reset_ccb); 1216 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1217 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1218 xpt_free_ccb(reset_ccb); 1219 xpt_free_ccb(work_ccb); 1220 xpt_done(request_ccb); 1221 return; 1222 } 1223 xpt_free_ccb(reset_ccb); 1224 } 1225 1226 /* Save some state for use while we probe for devices */ 1227 scan_info = (ata_scan_bus_info *) 1228 malloc(sizeof(ata_scan_bus_info), M_CAMXPT, M_NOWAIT); 1229 if (scan_info == NULL) { 1230 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1231 xpt_done(request_ccb); 1232 return; 1233 } 1234 scan_info->request_ccb = request_ccb; 1235 scan_info->cpi = &work_ccb->cpi; 1236 /* If PM supported, probe it first. */ 1237 if (scan_info->cpi->hba_inquiry & PI_SATAPM) 1238 scan_info->counter = scan_info->cpi->max_target; 1239 else 1240 scan_info->counter = 0; 1241 1242 work_ccb = xpt_alloc_ccb_nowait(); 1243 if (work_ccb == NULL) { 1244 free(scan_info, M_CAMXPT); 1245 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1246 xpt_done(request_ccb); 1247 break; 1248 } 1249 goto scan_next; 1250 case XPT_SCAN_LUN: 1251 work_ccb = request_ccb; 1252 /* Reuse the same CCB to query if a device was really found */ 1253 scan_info = (ata_scan_bus_info *)work_ccb->ccb_h.ppriv_ptr0; 1254 /* If there is PMP... */ 1255 if ((scan_info->cpi->hba_inquiry & PI_SATAPM) && 1256 (scan_info->counter == scan_info->cpi->max_target)) { 1257 if (work_ccb->ccb_h.status == CAM_REQ_CMP) { 1258 /* everything else will be probed by it */ 1259 /* Free the current request path- we're done with it. */ 1260 xpt_free_path(work_ccb->ccb_h.path); 1261 goto done; 1262 } else { 1263 struct ccb_trans_settings cts; 1264 1265 /* Report SIM that PM is absent. */ 1266 bzero(&cts, sizeof(cts)); 1267 xpt_setup_ccb(&cts.ccb_h, 1268 work_ccb->ccb_h.path, CAM_PRIORITY_NONE); 1269 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1270 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1271 cts.xport_specific.sata.pm_present = 0; 1272 cts.xport_specific.sata.valid = CTS_SATA_VALID_PM; 1273 xpt_action((union ccb *)&cts); 1274 } 1275 } 1276 /* Free the current request path- we're done with it. */ 1277 xpt_free_path(work_ccb->ccb_h.path); 1278 if (scan_info->counter == 1279 ((scan_info->cpi->hba_inquiry & PI_SATAPM) ? 1280 0 : scan_info->cpi->max_target)) { 1281done: 1282 xpt_free_ccb(work_ccb); 1283 xpt_free_ccb((union ccb *)scan_info->cpi); 1284 request_ccb = scan_info->request_ccb; 1285 free(scan_info, M_CAMXPT); 1286 request_ccb->ccb_h.status = CAM_REQ_CMP; 1287 xpt_done(request_ccb); 1288 break; 1289 } 1290 /* Take next device. Wrap from max (PMP) to 0. */ 1291 scan_info->counter = (scan_info->counter + 1 ) % 1292 (scan_info->cpi->max_target + 1); 1293scan_next: 1294 status = xpt_create_path(&path, xpt_periph, 1295 scan_info->request_ccb->ccb_h.path_id, 1296 scan_info->counter, 0); 1297 if (status != CAM_REQ_CMP) { 1298 printf("xpt_scan_bus: xpt_create_path failed" 1299 " with status %#x, bus scan halted\n", 1300 status); 1301 xpt_free_ccb(work_ccb); 1302 xpt_free_ccb((union ccb *)scan_info->cpi); 1303 request_ccb = scan_info->request_ccb; 1304 free(scan_info, M_CAMXPT); 1305 request_ccb->ccb_h.status = status; 1306 xpt_done(request_ccb); 1307 break; 1308 } 1309 xpt_setup_ccb(&work_ccb->ccb_h, path, 1310 scan_info->request_ccb->ccb_h.pinfo.priority); 1311 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1312 work_ccb->ccb_h.cbfcnp = ata_scan_bus; 1313 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 1314 work_ccb->crcn.flags = scan_info->request_ccb->crcn.flags; 1315 xpt_action(work_ccb); 1316 break; 1317 default: 1318 break; 1319 } 1320} 1321 1322static void 1323ata_scan_lun(struct cam_periph *periph, struct cam_path *path, 1324 cam_flags flags, union ccb *request_ccb) 1325{ 1326 struct ccb_pathinq cpi; 1327 cam_status status; 1328 struct cam_path *new_path; 1329 struct cam_periph *old_periph; 1330 1331 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("xpt_scan_lun\n")); 1332 1333 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 1334 cpi.ccb_h.func_code = XPT_PATH_INQ; 1335 xpt_action((union ccb *)&cpi); 1336 1337 if (cpi.ccb_h.status != CAM_REQ_CMP) { 1338 if (request_ccb != NULL) { 1339 request_ccb->ccb_h.status = cpi.ccb_h.status; 1340 xpt_done(request_ccb); 1341 } 1342 return; 1343 } 1344 1345 if (request_ccb == NULL) { 1346 request_ccb = malloc(sizeof(union ccb), M_CAMXPT, M_NOWAIT); 1347 if (request_ccb == NULL) { 1348 xpt_print(path, "xpt_scan_lun: can't allocate CCB, " 1349 "can't continue\n"); 1350 return; 1351 } 1352 new_path = malloc(sizeof(*new_path), M_CAMXPT, M_NOWAIT); 1353 if (new_path == NULL) { 1354 xpt_print(path, "xpt_scan_lun: can't allocate path, " 1355 "can't continue\n"); 1356 free(request_ccb, M_CAMXPT); 1357 return; 1358 } 1359 status = xpt_compile_path(new_path, xpt_periph, 1360 path->bus->path_id, 1361 path->target->target_id, 1362 path->device->lun_id); 1363 1364 if (status != CAM_REQ_CMP) { 1365 xpt_print(path, "xpt_scan_lun: can't compile path, " 1366 "can't continue\n"); 1367 free(request_ccb, M_CAMXPT); 1368 free(new_path, M_CAMXPT); 1369 return; 1370 } 1371 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 1372 request_ccb->ccb_h.cbfcnp = xptscandone; 1373 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1374 request_ccb->crcn.flags = flags; 1375 } 1376 1377 if ((old_periph = cam_periph_find(path, "aprobe")) != NULL) { 1378 probe_softc *softc; 1379 1380 softc = (probe_softc *)old_periph->softc; 1381 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 1382 periph_links.tqe); 1383 softc->restart = 1; 1384 } else { 1385 status = cam_periph_alloc(proberegister, NULL, probecleanup, 1386 probestart, "aprobe", 1387 CAM_PERIPH_BIO, 1388 request_ccb->ccb_h.path, NULL, 0, 1389 request_ccb); 1390 1391 if (status != CAM_REQ_CMP) { 1392 xpt_print(path, "xpt_scan_lun: cam_alloc_periph " 1393 "returned an error, can't continue probe\n"); 1394 request_ccb->ccb_h.status = status; 1395 xpt_done(request_ccb); 1396 } 1397 } 1398} 1399 1400static void 1401xptscandone(struct cam_periph *periph, union ccb *done_ccb) 1402{ 1403 xpt_release_path(done_ccb->ccb_h.path); 1404 free(done_ccb->ccb_h.path, M_CAMXPT); 1405 free(done_ccb, M_CAMXPT); 1406} 1407 1408static struct cam_ed * 1409ata_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 1410{ 1411 struct cam_path path; 1412 struct ata_quirk_entry *quirk; 1413 struct cam_ed *device; 1414 struct cam_ed *cur_device; 1415 1416 device = xpt_alloc_device(bus, target, lun_id); 1417 if (device == NULL) 1418 return (NULL); 1419 1420 /* 1421 * Take the default quirk entry until we have inquiry 1422 * data and can determine a better quirk to use. 1423 */ 1424 quirk = &ata_quirk_table[ata_quirk_table_size - 1]; 1425 device->quirk = (void *)quirk; 1426 device->mintags = 0; 1427 device->maxtags = 0; 1428 bzero(&device->inq_data, sizeof(device->inq_data)); 1429 device->inq_flags = 0; 1430 device->queue_flags = 0; 1431 device->serial_num = NULL; 1432 device->serial_num_len = 0; 1433 1434 /* 1435 * XXX should be limited by number of CCBs this bus can 1436 * do. 1437 */ 1438 bus->sim->max_ccbs += device->ccbq.devq_openings; 1439 /* Insertion sort into our target's device list */ 1440 cur_device = TAILQ_FIRST(&target->ed_entries); 1441 while (cur_device != NULL && cur_device->lun_id < lun_id) 1442 cur_device = TAILQ_NEXT(cur_device, links); 1443 if (cur_device != NULL) { 1444 TAILQ_INSERT_BEFORE(cur_device, device, links); 1445 } else { 1446 TAILQ_INSERT_TAIL(&target->ed_entries, device, links); 1447 } 1448 target->generation++; 1449 if (lun_id != CAM_LUN_WILDCARD) { 1450 xpt_compile_path(&path, 1451 NULL, 1452 bus->path_id, 1453 target->target_id, 1454 lun_id); 1455 ata_device_transport(&path); 1456 xpt_release_path(&path); 1457 } 1458 1459 return (device); 1460} 1461 1462static void 1463ata_device_transport(struct cam_path *path) 1464{ 1465 struct ccb_pathinq cpi; 1466 struct ccb_trans_settings cts; 1467 struct scsi_inquiry_data *inq_buf = NULL; 1468 struct ata_params *ident_buf = NULL; 1469 1470 /* Get transport information from the SIM */ 1471 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 1472 cpi.ccb_h.func_code = XPT_PATH_INQ; 1473 xpt_action((union ccb *)&cpi); 1474 1475 path->device->transport = cpi.transport; 1476 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 1477 inq_buf = &path->device->inq_data; 1478 if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) != 0) 1479 ident_buf = &path->device->ident_data; 1480 if (path->device->protocol == PROTO_ATA) { 1481 path->device->protocol_version = ident_buf ? 1482 ata_version(ident_buf->version_major) : cpi.protocol_version; 1483 } else if (path->device->protocol == PROTO_SCSI) { 1484 path->device->protocol_version = inq_buf ? 1485 SID_ANSI_REV(inq_buf) : cpi.protocol_version; 1486 } 1487 path->device->transport_version = ident_buf ? 1488 ata_version(ident_buf->version_major) : cpi.transport_version; 1489 1490 /* Tell the controller what we think */ 1491 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1492 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1493 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1494 cts.transport = path->device->transport; 1495 cts.transport_version = path->device->transport_version; 1496 cts.protocol = path->device->protocol; 1497 cts.protocol_version = path->device->protocol_version; 1498 cts.proto_specific.valid = 0; 1499 if (ident_buf) { 1500 if (path->device->transport == XPORT_ATA) { 1501 cts.xport_specific.ata.atapi = 1502 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_16) ? 16 : 1503 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_12) ? 12 : 0; 1504 cts.xport_specific.ata.valid = CTS_ATA_VALID_ATAPI; 1505 } else { 1506 cts.xport_specific.sata.atapi = 1507 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_16) ? 16 : 1508 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_12) ? 12 : 0; 1509 cts.xport_specific.sata.valid = CTS_SATA_VALID_ATAPI; 1510 } 1511 } else 1512 cts.xport_specific.valid = 0; 1513 xpt_action((union ccb *)&cts); 1514} 1515 1516static void 1517ata_action(union ccb *start_ccb) 1518{ 1519 1520 switch (start_ccb->ccb_h.func_code) { 1521 case XPT_SET_TRAN_SETTINGS: 1522 { 1523 ata_set_transfer_settings(&start_ccb->cts, 1524 start_ccb->ccb_h.path->device, 1525 /*async_update*/FALSE); 1526 break; 1527 } 1528 case XPT_SCAN_BUS: 1529 ata_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 1530 break; 1531 case XPT_SCAN_LUN: 1532 ata_scan_lun(start_ccb->ccb_h.path->periph, 1533 start_ccb->ccb_h.path, start_ccb->crcn.flags, 1534 start_ccb); 1535 break; 1536 case XPT_GET_TRAN_SETTINGS: 1537 { 1538 struct cam_sim *sim; 1539 1540 sim = start_ccb->ccb_h.path->bus->sim; 1541 (*(sim->sim_action))(sim, start_ccb); 1542 break; 1543 } 1544 case XPT_SCSI_IO: 1545 { 1546 struct cam_ed *device; 1547 u_int maxlen = 0; 1548 1549 device = start_ccb->ccb_h.path->device; 1550 if (device->protocol == PROTO_SCSI && 1551 (device->flags & CAM_DEV_IDENTIFY_DATA_VALID)) { 1552 uint16_t p = 1553 device->ident_data.config & ATA_PROTO_MASK; 1554 1555 maxlen = (p == ATA_PROTO_ATAPI_16) ? 16 : 1556 (p == ATA_PROTO_ATAPI_12) ? 12 : 0; 1557 } 1558 if (start_ccb->csio.cdb_len > maxlen) { 1559 start_ccb->ccb_h.status = CAM_REQ_INVALID; 1560 xpt_done(start_ccb); 1561 break; 1562 } 1563 /* FALLTHROUGH */ 1564 } 1565 default: 1566 xpt_action_default(start_ccb); 1567 break; 1568 } 1569} 1570 1571static void 1572ata_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_ed *device, 1573 int async_update) 1574{ 1575 struct ccb_pathinq cpi; 1576 struct ccb_trans_settings cur_cts; 1577 struct ccb_trans_settings_scsi *scsi; 1578 struct ccb_trans_settings_scsi *cur_scsi; 1579 struct cam_sim *sim; 1580 struct scsi_inquiry_data *inq_data; 1581 1582 if (device == NULL) { 1583 cts->ccb_h.status = CAM_PATH_INVALID; 1584 xpt_done((union ccb *)cts); 1585 return; 1586 } 1587 1588 if (cts->protocol == PROTO_UNKNOWN 1589 || cts->protocol == PROTO_UNSPECIFIED) { 1590 cts->protocol = device->protocol; 1591 cts->protocol_version = device->protocol_version; 1592 } 1593 1594 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 1595 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 1596 cts->protocol_version = device->protocol_version; 1597 1598 if (cts->protocol != device->protocol) { 1599 xpt_print(cts->ccb_h.path, "Uninitialized Protocol %x:%x?\n", 1600 cts->protocol, device->protocol); 1601 cts->protocol = device->protocol; 1602 } 1603 1604 if (cts->protocol_version > device->protocol_version) { 1605 if (bootverbose) { 1606 xpt_print(cts->ccb_h.path, "Down reving Protocol " 1607 "Version from %d to %d?\n", cts->protocol_version, 1608 device->protocol_version); 1609 } 1610 cts->protocol_version = device->protocol_version; 1611 } 1612 1613 if (cts->transport == XPORT_UNKNOWN 1614 || cts->transport == XPORT_UNSPECIFIED) { 1615 cts->transport = device->transport; 1616 cts->transport_version = device->transport_version; 1617 } 1618 1619 if (cts->transport_version == XPORT_VERSION_UNKNOWN 1620 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 1621 cts->transport_version = device->transport_version; 1622 1623 if (cts->transport != device->transport) { 1624 xpt_print(cts->ccb_h.path, "Uninitialized Transport %x:%x?\n", 1625 cts->transport, device->transport); 1626 cts->transport = device->transport; 1627 } 1628 1629 if (cts->transport_version > device->transport_version) { 1630 if (bootverbose) { 1631 xpt_print(cts->ccb_h.path, "Down reving Transport " 1632 "Version from %d to %d?\n", cts->transport_version, 1633 device->transport_version); 1634 } 1635 cts->transport_version = device->transport_version; 1636 } 1637 1638 sim = cts->ccb_h.path->bus->sim; 1639 1640 /* 1641 * Nothing more of interest to do unless 1642 * this is a device connected via the 1643 * SCSI protocol. 1644 */ 1645 if (cts->protocol != PROTO_SCSI) { 1646 if (async_update == FALSE) 1647 (*(sim->sim_action))(sim, (union ccb *)cts); 1648 return; 1649 } 1650 1651 inq_data = &device->inq_data; 1652 scsi = &cts->proto_specific.scsi; 1653 xpt_setup_ccb(&cpi.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 1654 cpi.ccb_h.func_code = XPT_PATH_INQ; 1655 xpt_action((union ccb *)&cpi); 1656 1657 /* SCSI specific sanity checking */ 1658 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 1659 || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 1660 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 1661 || (device->mintags == 0)) { 1662 /* 1663 * Can't tag on hardware that doesn't support tags, 1664 * doesn't have it enabled, or has broken tag support. 1665 */ 1666 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1667 } 1668 1669 if (async_update == FALSE) { 1670 /* 1671 * Perform sanity checking against what the 1672 * controller and device can do. 1673 */ 1674 xpt_setup_ccb(&cur_cts.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 1675 cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1676 cur_cts.type = cts->type; 1677 xpt_action((union ccb *)&cur_cts); 1678 if ((cur_cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1679 return; 1680 } 1681 cur_scsi = &cur_cts.proto_specific.scsi; 1682 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 1683 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1684 scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 1685 } 1686 if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 1687 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1688 } 1689 1690 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 1691 && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 1692 int device_tagenb; 1693 1694 /* 1695 * If we are transitioning from tags to no-tags or 1696 * vice-versa, we need to carefully freeze and restart 1697 * the queue so that we don't overlap tagged and non-tagged 1698 * commands. We also temporarily stop tags if there is 1699 * a change in transfer negotiation settings to allow 1700 * "tag-less" negotiation. 1701 */ 1702 if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 1703 || (device->inq_flags & SID_CmdQue) != 0) 1704 device_tagenb = TRUE; 1705 else 1706 device_tagenb = FALSE; 1707 1708 if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 1709 && device_tagenb == FALSE) 1710 || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 1711 && device_tagenb == TRUE)) { 1712 1713 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 1714 /* 1715 * Delay change to use tags until after a 1716 * few commands have gone to this device so 1717 * the controller has time to perform transfer 1718 * negotiations without tagged messages getting 1719 * in the way. 1720 */ 1721 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 1722 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 1723 } else { 1724 xpt_stop_tags(cts->ccb_h.path); 1725 } 1726 } 1727 } 1728 if (async_update == FALSE) 1729 (*(sim->sim_action))(sim, (union ccb *)cts); 1730} 1731 1732/* 1733 * Handle any per-device event notifications that require action by the XPT. 1734 */ 1735static void 1736ata_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 1737 struct cam_ed *device, void *async_arg) 1738{ 1739 cam_status status; 1740 struct cam_path newpath; 1741 1742 /* 1743 * We only need to handle events for real devices. 1744 */ 1745 if (target->target_id == CAM_TARGET_WILDCARD 1746 || device->lun_id == CAM_LUN_WILDCARD) 1747 return; 1748 1749 /* 1750 * We need our own path with wildcards expanded to 1751 * handle certain types of events. 1752 */ 1753 if ((async_code == AC_SENT_BDR) 1754 || (async_code == AC_BUS_RESET) 1755 || (async_code == AC_INQ_CHANGED)) 1756 status = xpt_compile_path(&newpath, NULL, 1757 bus->path_id, 1758 target->target_id, 1759 device->lun_id); 1760 else 1761 status = CAM_REQ_CMP_ERR; 1762 1763 if (status == CAM_REQ_CMP) { 1764 if (async_code == AC_INQ_CHANGED) { 1765 /* 1766 * We've sent a start unit command, or 1767 * something similar to a device that 1768 * may have caused its inquiry data to 1769 * change. So we re-scan the device to 1770 * refresh the inquiry data for it. 1771 */ 1772 ata_scan_lun(newpath.periph, &newpath, 1773 CAM_EXPECT_INQ_CHANGE, NULL); 1774 } else { 1775 /* We need to reinitialize device after reset. */ 1776 ata_scan_lun(newpath.periph, &newpath, 1777 0, NULL); 1778 } 1779 xpt_release_path(&newpath); 1780 } else if (async_code == AC_LOST_DEVICE && 1781 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 1782 device->flags |= CAM_DEV_UNCONFIGURED; 1783 xpt_release_device(device); 1784 } else if (async_code == AC_TRANSFER_NEG) { 1785 struct ccb_trans_settings *settings; 1786 1787 settings = (struct ccb_trans_settings *)async_arg; 1788 ata_set_transfer_settings(settings, device, 1789 /*async_update*/TRUE); 1790 } 1791} 1792 1793static void 1794ata_announce_periph(struct cam_periph *periph) 1795{ 1796 struct ccb_pathinq cpi; 1797 struct ccb_trans_settings cts; 1798 struct cam_path *path = periph->path; 1799 u_int speed; 1800 u_int mb; 1801 1802 mtx_assert(periph->sim->mtx, MA_OWNED); 1803 1804 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 1805 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1806 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1807 xpt_action((union ccb*)&cts); 1808 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 1809 return; 1810 /* Ask the SIM for its base transfer speed */ 1811 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 1812 cpi.ccb_h.func_code = XPT_PATH_INQ; 1813 xpt_action((union ccb *)&cpi); 1814 /* Report connection speed */ 1815 speed = cpi.base_transfer_speed; 1816 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_ATA) { 1817 struct ccb_trans_settings_ata *ata = 1818 &cts.xport_specific.ata; 1819 1820 if (ata->valid & CTS_ATA_VALID_MODE) 1821 speed = ata_mode2speed(ata->mode); 1822 } 1823 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SATA) { 1824 struct ccb_trans_settings_sata *sata = 1825 &cts.xport_specific.sata; 1826 1827 if (sata->valid & CTS_SATA_VALID_REVISION) 1828 speed = ata_revision2speed(sata->revision); 1829 } 1830 mb = speed / 1000; 1831 if (mb > 0) 1832 printf("%s%d: %d.%03dMB/s transfers", 1833 periph->periph_name, periph->unit_number, 1834 mb, speed % 1000); 1835 else 1836 printf("%s%d: %dKB/s transfers", periph->periph_name, 1837 periph->unit_number, speed); 1838 /* Report additional information about connection */ 1839 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_ATA) { 1840 struct ccb_trans_settings_ata *ata = 1841 &cts.xport_specific.ata; 1842 1843 printf(" ("); 1844 if (ata->valid & CTS_ATA_VALID_MODE) 1845 printf("%s, ", ata_mode2string(ata->mode)); 1846 if ((ata->valid & CTS_ATA_VALID_ATAPI) && ata->atapi != 0) 1847 printf("ATAPI %dbytes, ", ata->atapi); 1848 if (ata->valid & CTS_ATA_VALID_BYTECOUNT) 1849 printf("PIO %dbytes", ata->bytecount); 1850 printf(")"); 1851 } 1852 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SATA) { 1853 struct ccb_trans_settings_sata *sata = 1854 &cts.xport_specific.sata; 1855 1856 printf(" ("); 1857 if (sata->valid & CTS_SATA_VALID_REVISION) 1858 printf("SATA %d.x, ", sata->revision); 1859 else 1860 printf("SATA, "); 1861 if (sata->valid & CTS_SATA_VALID_MODE) 1862 printf("%s, ", ata_mode2string(sata->mode)); 1863 if ((sata->valid & CTS_ATA_VALID_ATAPI) && sata->atapi != 0) 1864 printf("ATAPI %dbytes, ", sata->atapi); 1865 if (sata->valid & CTS_SATA_VALID_BYTECOUNT) 1866 printf("PIO %dbytes", sata->bytecount); 1867 printf(")"); 1868 } 1869 printf("\n"); 1870} 1871 1872