ata_xpt.c revision 207499
1275218Sbapt/*- 2275218Sbapt * Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org> 3275218Sbapt * 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 207499 2010-05-02 12:07:47Z 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#ifdef PC98 48#include <pc98/pc98/pc98_machdep.h> /* geometry translation */ 49#endif 50 51#include <cam/cam.h> 52#include <cam/cam_ccb.h> 53#include <cam/cam_queue.h> 54#include <cam/cam_periph.h> 55#include <cam/cam_sim.h> 56#include <cam/cam_xpt.h> 57#include <cam/cam_xpt_sim.h> 58#include <cam/cam_xpt_periph.h> 59#include <cam/cam_xpt_internal.h> 60#include <cam/cam_debug.h> 61 62#include <cam/scsi/scsi_all.h> 63#include <cam/scsi/scsi_message.h> 64#include <cam/ata/ata_all.h> 65#include <machine/stdarg.h> /* for xpt_print below */ 66#include "opt_cam.h" 67 68struct ata_quirk_entry { 69 struct scsi_inquiry_pattern inq_pat; 70 u_int8_t quirks; 71#define CAM_QUIRK_MAXTAGS 0x01 72 u_int maxtags; 73}; 74 75static periph_init_t probe_periph_init; 76 77static struct periph_driver probe_driver = 78{ 79 probe_periph_init, "aprobe", 80 TAILQ_HEAD_INITIALIZER(probe_driver.units), /* generation */ 0, 81 CAM_PERIPH_DRV_EARLY 82}; 83 84PERIPHDRIVER_DECLARE(aprobe, probe_driver); 85 86typedef enum { 87 PROBE_RESET, 88 PROBE_IDENTIFY, 89 PROBE_SPINUP, 90 PROBE_SETMODE, 91 PROBE_SETPM, 92 PROBE_SETAPST, 93 PROBE_SETDMAAA, 94 PROBE_SET_MULTI, 95 PROBE_INQUIRY, 96 PROBE_FULL_INQUIRY, 97 PROBE_PM_PID, 98 PROBE_PM_PRV, 99 PROBE_INVALID 100} probe_action; 101 102static char *probe_action_text[] = { 103 "PROBE_RESET", 104 "PROBE_IDENTIFY", 105 "PROBE_SPINUP", 106 "PROBE_SETMODE", 107 "PROBE_SETPM", 108 "PROBE_SETAPST", 109 "PROBE_SETDMAAA", 110 "PROBE_SET_MULTI", 111 "PROBE_INQUIRY", 112 "PROBE_FULL_INQUIRY", 113 "PROBE_PM_PID", 114 "PROBE_PM_PRV", 115 "PROBE_INVALID" 116}; 117 118#define PROBE_SET_ACTION(softc, newaction) \ 119do { \ 120 char **text; \ 121 text = probe_action_text; \ 122 CAM_DEBUG((softc)->periph->path, CAM_DEBUG_INFO, \ 123 ("Probe %s to %s\n", text[(softc)->action], \ 124 text[(newaction)])); \ 125 (softc)->action = (newaction); \ 126} while(0) 127 128typedef enum { 129 PROBE_NO_ANNOUNCE = 0x04 130} probe_flags; 131 132typedef struct { 133 TAILQ_HEAD(, ccb_hdr) request_ccbs; 134 struct ata_params ident_data; 135 probe_action action; 136 probe_flags flags; 137 uint32_t pm_pid; 138 uint32_t pm_prv; 139 int restart; 140 int spinup; 141 u_int caps; 142 struct cam_periph *periph; 143} probe_softc; 144 145static struct ata_quirk_entry ata_quirk_table[] = 146{ 147 { 148 /* Default tagged queuing parameters for all devices */ 149 { 150 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 151 /*vendor*/"*", /*product*/"*", /*revision*/"*" 152 }, 153 /*quirks*/0, /*maxtags*/0 154 }, 155}; 156 157static const int ata_quirk_table_size = 158 sizeof(ata_quirk_table) / sizeof(*ata_quirk_table); 159 160static cam_status proberegister(struct cam_periph *periph, 161 void *arg); 162static void probeschedule(struct cam_periph *probe_periph); 163static void probestart(struct cam_periph *periph, union ccb *start_ccb); 164//static void proberequestdefaultnegotiation(struct cam_periph *periph); 165//static int proberequestbackoff(struct cam_periph *periph, 166// struct cam_ed *device); 167static void probedone(struct cam_periph *periph, union ccb *done_ccb); 168static void probecleanup(struct cam_periph *periph); 169static void ata_find_quirk(struct cam_ed *device); 170static void ata_scan_bus(struct cam_periph *periph, union ccb *ccb); 171static void ata_scan_lun(struct cam_periph *periph, 172 struct cam_path *path, cam_flags flags, 173 union ccb *ccb); 174static void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 175static struct cam_ed * 176 ata_alloc_device(struct cam_eb *bus, struct cam_et *target, 177 lun_id_t lun_id); 178static void ata_device_transport(struct cam_path *path); 179static void ata_set_transfer_settings(struct ccb_trans_settings *cts, 180 struct cam_ed *device, 181 int async_update); 182static void ata_dev_async(u_int32_t async_code, 183 struct cam_eb *bus, 184 struct cam_et *target, 185 struct cam_ed *device, 186 void *async_arg); 187static void ata_action(union ccb *start_ccb); 188static void ata_announce_periph(struct cam_periph *periph); 189 190static struct xpt_xport ata_xport = { 191 .alloc_device = ata_alloc_device, 192 .action = ata_action, 193 .async = ata_dev_async, 194 .announce = ata_announce_periph, 195}; 196 197struct xpt_xport * 198ata_get_xport(void) 199{ 200 return (&ata_xport); 201} 202 203static void 204probe_periph_init() 205{ 206} 207 208static cam_status 209proberegister(struct cam_periph *periph, void *arg) 210{ 211 union ccb *request_ccb; /* CCB representing the probe request */ 212 cam_status status; 213 probe_softc *softc; 214 215 request_ccb = (union ccb *)arg; 216 if (periph == NULL) { 217 printf("proberegister: periph was NULL!!\n"); 218 return(CAM_REQ_CMP_ERR); 219 } 220 221 if (request_ccb == NULL) { 222 printf("proberegister: no probe CCB, " 223 "can't register device\n"); 224 return(CAM_REQ_CMP_ERR); 225 } 226 227 softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_ZERO | M_NOWAIT); 228 229 if (softc == NULL) { 230 printf("proberegister: Unable to probe new device. " 231 "Unable to allocate softc\n"); 232 return(CAM_REQ_CMP_ERR); 233 } 234 TAILQ_INIT(&softc->request_ccbs); 235 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 236 periph_links.tqe); 237 softc->flags = 0; 238 periph->softc = softc; 239 softc->periph = periph; 240 softc->action = PROBE_INVALID; 241 status = cam_periph_acquire(periph); 242 if (status != CAM_REQ_CMP) { 243 return (status); 244 } 245 /* 246 * Ensure nobody slip in until probe finish. 247 */ 248 cam_freeze_devq_arg(periph->path, 249 RELSIM_RELEASE_RUNLEVEL, CAM_RL_XPT + 1); 250 probeschedule(periph); 251 return(CAM_REQ_CMP); 252} 253 254static void 255probeschedule(struct cam_periph *periph) 256{ 257 union ccb *ccb; 258 probe_softc *softc; 259 260 softc = (probe_softc *)periph->softc; 261 ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 262 263 if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) || 264 periph->path->device->protocol == PROTO_SATAPM) 265 PROBE_SET_ACTION(softc, PROBE_RESET); 266 else 267 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 268 269 if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 270 softc->flags |= PROBE_NO_ANNOUNCE; 271 else 272 softc->flags &= ~PROBE_NO_ANNOUNCE; 273 274 xpt_schedule(periph, CAM_PRIORITY_XPT); 275} 276 277static void 278probestart(struct cam_periph *periph, union ccb *start_ccb) 279{ 280 struct ccb_trans_settings cts; 281 struct ccb_ataio *ataio; 282 struct ccb_scsiio *csio; 283 probe_softc *softc; 284 struct cam_path *path; 285 struct ata_params *ident_buf; 286 287 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n")); 288 289 softc = (probe_softc *)periph->softc; 290 path = start_ccb->ccb_h.path; 291 ataio = &start_ccb->ataio; 292 csio = &start_ccb->csio; 293 ident_buf = &periph->path->device->ident_data; 294 295 if (softc->restart) { 296 softc->restart = 0; 297 if ((path->device->flags & CAM_DEV_UNCONFIGURED) || 298 path->device->protocol == PROTO_SATAPM) 299 softc->action = PROBE_RESET; 300 else 301 softc->action = PROBE_IDENTIFY; 302 } 303 switch (softc->action) { 304 case PROBE_RESET: 305 cam_fill_ataio(ataio, 306 0, 307 probedone, 308 /*flags*/CAM_DIR_NONE, 309 0, 310 /*data_ptr*/NULL, 311 /*dxfer_len*/0, 312 15 * 1000); 313 ata_reset_cmd(ataio); 314 break; 315 case PROBE_IDENTIFY: 316 cam_fill_ataio(ataio, 317 1, 318 probedone, 319 /*flags*/CAM_DIR_IN, 320 0, 321 /*data_ptr*/(u_int8_t *)&softc->ident_data, 322 /*dxfer_len*/sizeof(softc->ident_data), 323 30 * 1000); 324 if (periph->path->device->protocol == PROTO_ATA) 325 ata_28bit_cmd(ataio, ATA_ATA_IDENTIFY, 0, 0, 0); 326 else 327 ata_28bit_cmd(ataio, ATA_ATAPI_IDENTIFY, 0, 0, 0); 328 break; 329 case PROBE_SPINUP: 330 if (bootverbose) 331 xpt_print(path, "Spinning up device\n"); 332 cam_fill_ataio(ataio, 333 1, 334 probedone, 335 /*flags*/CAM_DIR_NONE | CAM_HIGH_POWER, 336 0, 337 /*data_ptr*/NULL, 338 /*dxfer_len*/0, 339 30 * 1000); 340 ata_28bit_cmd(ataio, ATA_SETFEATURES, ATA_SF_PUIS_SPINUP, 0, 0); 341 break; 342 case PROBE_SETMODE: 343 { 344 int mode, wantmode; 345 346 mode = 0; 347 /* Fetch user modes from SIM. */ 348 bzero(&cts, sizeof(cts)); 349 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 350 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 351 cts.type = CTS_TYPE_USER_SETTINGS; 352 xpt_action((union ccb *)&cts); 353 if (path->device->transport == XPORT_ATA) { 354 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_MODE) 355 mode = cts.xport_specific.ata.mode; 356 } else { 357 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_MODE) 358 mode = cts.xport_specific.sata.mode; 359 } 360negotiate: 361 /* Honor device capabilities. */ 362 wantmode = mode = ata_max_mode(ident_buf, mode); 363 /* Report modes to SIM. */ 364 bzero(&cts, sizeof(cts)); 365 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 366 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 367 cts.type = CTS_TYPE_CURRENT_SETTINGS; 368 if (path->device->transport == XPORT_ATA) { 369 cts.xport_specific.ata.mode = mode; 370 cts.xport_specific.ata.valid = CTS_ATA_VALID_MODE; 371 } else { 372 cts.xport_specific.sata.mode = mode; 373 cts.xport_specific.sata.valid = CTS_SATA_VALID_MODE; 374 } 375 xpt_action((union ccb *)&cts); 376 /* Fetch current modes from SIM. */ 377 bzero(&cts, sizeof(cts)); 378 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 379 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 380 cts.type = CTS_TYPE_CURRENT_SETTINGS; 381 xpt_action((union ccb *)&cts); 382 if (path->device->transport == XPORT_ATA) { 383 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_MODE) 384 mode = cts.xport_specific.ata.mode; 385 } else { 386 if (cts.xport_specific.ata.valid & CTS_SATA_VALID_MODE) 387 mode = cts.xport_specific.sata.mode; 388 } 389 /* If SIM disagree - renegotiate. */ 390 if (mode != wantmode) 391 goto negotiate; 392 cam_fill_ataio(ataio, 393 1, 394 probedone, 395 /*flags*/CAM_DIR_NONE, 396 0, 397 /*data_ptr*/NULL, 398 /*dxfer_len*/0, 399 30 * 1000); 400 ata_28bit_cmd(ataio, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode); 401 break; 402 } 403 case PROBE_SETPM: 404 cam_fill_ataio(ataio, 405 1, 406 probedone, 407 CAM_DIR_NONE, 408 0, 409 NULL, 410 0, 411 30*1000); 412 ata_28bit_cmd(ataio, ATA_SETFEATURES, 413 (softc->caps & CTS_SATA_CAPS_H_PMREQ) ? 0x10 : 0x90, 414 0, 0x03); 415 break; 416 case PROBE_SETAPST: 417 cam_fill_ataio(ataio, 418 1, 419 probedone, 420 CAM_DIR_NONE, 421 0, 422 NULL, 423 0, 424 30*1000); 425 ata_28bit_cmd(ataio, ATA_SETFEATURES, 426 (softc->caps & CTS_SATA_CAPS_H_APST) ? 0x10 : 0x90, 427 0, 0x07); 428 break; 429 case PROBE_SETDMAAA: 430 cam_fill_ataio(ataio, 431 1, 432 probedone, 433 CAM_DIR_NONE, 434 0, 435 NULL, 436 0, 437 30*1000); 438 ata_28bit_cmd(ataio, ATA_SETFEATURES, 439 (softc->caps & CTS_SATA_CAPS_H_DMAAA) ? 0x10 : 0x90, 440 0, 0x02); 441 break; 442 case PROBE_SET_MULTI: 443 { 444 u_int sectors, bytecount; 445 446 bytecount = 8192; /* SATA maximum */ 447 /* Fetch user bytecount from SIM. */ 448 bzero(&cts, sizeof(cts)); 449 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 450 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 451 cts.type = CTS_TYPE_USER_SETTINGS; 452 xpt_action((union ccb *)&cts); 453 if (path->device->transport == XPORT_ATA) { 454 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 455 bytecount = cts.xport_specific.ata.bytecount; 456 } else { 457 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 458 bytecount = cts.xport_specific.sata.bytecount; 459 } 460 /* Honor device capabilities. */ 461 sectors = max(1, min(ident_buf->sectors_intr & 0xff, 462 bytecount / ata_logical_sector_size(ident_buf))); 463 /* Report bytecount to SIM. */ 464 bzero(&cts, sizeof(cts)); 465 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 466 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 467 cts.type = CTS_TYPE_CURRENT_SETTINGS; 468 if (path->device->transport == XPORT_ATA) { 469 cts.xport_specific.ata.bytecount = sectors * 470 ata_logical_sector_size(ident_buf); 471 cts.xport_specific.ata.valid = CTS_ATA_VALID_BYTECOUNT; 472 } else { 473 cts.xport_specific.sata.bytecount = sectors * 474 ata_logical_sector_size(ident_buf); 475 cts.xport_specific.sata.valid = CTS_SATA_VALID_BYTECOUNT; 476 } 477 xpt_action((union ccb *)&cts); 478 /* Fetch current bytecount from SIM. */ 479 bzero(&cts, sizeof(cts)); 480 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 481 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 482 cts.type = CTS_TYPE_CURRENT_SETTINGS; 483 xpt_action((union ccb *)&cts); 484 if (path->device->transport == XPORT_ATA) { 485 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 486 bytecount = cts.xport_specific.ata.bytecount; 487 } else { 488 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 489 bytecount = cts.xport_specific.sata.bytecount; 490 } 491 sectors = bytecount / ata_logical_sector_size(ident_buf); 492 493 cam_fill_ataio(ataio, 494 1, 495 probedone, 496 CAM_DIR_NONE, 497 0, 498 NULL, 499 0, 500 30*1000); 501 ata_28bit_cmd(ataio, ATA_SET_MULTI, 0, 0, sectors); 502 break; 503 } 504 case PROBE_INQUIRY: 505 { 506 u_int bytecount; 507 508 bytecount = 8192; /* SATA maximum */ 509 /* Fetch user bytecount from SIM. */ 510 bzero(&cts, sizeof(cts)); 511 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 512 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 513 cts.type = CTS_TYPE_USER_SETTINGS; 514 xpt_action((union ccb *)&cts); 515 if (path->device->transport == XPORT_ATA) { 516 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 517 bytecount = cts.xport_specific.ata.bytecount; 518 } else { 519 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 520 bytecount = cts.xport_specific.sata.bytecount; 521 } 522 /* Honor device capabilities. */ 523 bytecount &= ~1; 524 bytecount = max(2, min(65534, bytecount)); 525 if (ident_buf->satacapabilities != 0x0000 && 526 ident_buf->satacapabilities != 0xffff) { 527 bytecount = min(8192, bytecount); 528 } 529 /* Report bytecount to SIM. */ 530 bzero(&cts, sizeof(cts)); 531 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 532 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 533 cts.type = CTS_TYPE_CURRENT_SETTINGS; 534 if (path->device->transport == XPORT_ATA) { 535 cts.xport_specific.ata.bytecount = bytecount; 536 cts.xport_specific.ata.valid = CTS_ATA_VALID_BYTECOUNT; 537 } else { 538 cts.xport_specific.sata.bytecount = bytecount; 539 cts.xport_specific.sata.valid = CTS_SATA_VALID_BYTECOUNT; 540 } 541 xpt_action((union ccb *)&cts); 542 /* FALLTHROUGH */ 543 } 544 case PROBE_FULL_INQUIRY: 545 { 546 u_int inquiry_len; 547 struct scsi_inquiry_data *inq_buf = 548 &periph->path->device->inq_data; 549 550 if (softc->action == PROBE_INQUIRY) 551 inquiry_len = SHORT_INQUIRY_LENGTH; 552 else 553 inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 554 /* 555 * Some parallel SCSI devices fail to send an 556 * ignore wide residue message when dealing with 557 * odd length inquiry requests. Round up to be 558 * safe. 559 */ 560 inquiry_len = roundup2(inquiry_len, 2); 561 scsi_inquiry(csio, 562 /*retries*/1, 563 probedone, 564 MSG_SIMPLE_Q_TAG, 565 (u_int8_t *)inq_buf, 566 inquiry_len, 567 /*evpd*/FALSE, 568 /*page_code*/0, 569 SSD_MIN_SIZE, 570 /*timeout*/60 * 1000); 571 break; 572 } 573 case PROBE_PM_PID: 574 cam_fill_ataio(ataio, 575 1, 576 probedone, 577 /*flags*/CAM_DIR_NONE, 578 0, 579 /*data_ptr*/NULL, 580 /*dxfer_len*/0, 581 10 * 1000); 582 ata_pm_read_cmd(ataio, 0, 15); 583 break; 584 case PROBE_PM_PRV: 585 cam_fill_ataio(ataio, 586 1, 587 probedone, 588 /*flags*/CAM_DIR_NONE, 589 0, 590 /*data_ptr*/NULL, 591 /*dxfer_len*/0, 592 10 * 1000); 593 ata_pm_read_cmd(ataio, 1, 15); 594 break; 595 case PROBE_INVALID: 596 CAM_DEBUG(path, CAM_DEBUG_INFO, 597 ("probestart: invalid action state\n")); 598 default: 599 break; 600 } 601 xpt_action(start_ccb); 602} 603#if 0 604static void 605proberequestdefaultnegotiation(struct cam_periph *periph) 606{ 607 struct ccb_trans_settings cts; 608 609 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 610 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 611 cts.type = CTS_TYPE_USER_SETTINGS; 612 xpt_action((union ccb *)&cts); 613 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 614 return; 615 } 616 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 617 cts.type = CTS_TYPE_CURRENT_SETTINGS; 618 xpt_action((union ccb *)&cts); 619} 620 621/* 622 * Backoff Negotiation Code- only pertinent for SPI devices. 623 */ 624static int 625proberequestbackoff(struct cam_periph *periph, struct cam_ed *device) 626{ 627 struct ccb_trans_settings cts; 628 struct ccb_trans_settings_spi *spi; 629 630 memset(&cts, 0, sizeof (cts)); 631 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 632 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 633 cts.type = CTS_TYPE_CURRENT_SETTINGS; 634 xpt_action((union ccb *)&cts); 635 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 636 if (bootverbose) { 637 xpt_print(periph->path, 638 "failed to get current device settings\n"); 639 } 640 return (0); 641 } 642 if (cts.transport != XPORT_SPI) { 643 if (bootverbose) { 644 xpt_print(periph->path, "not SPI transport\n"); 645 } 646 return (0); 647 } 648 spi = &cts.xport_specific.spi; 649 650 /* 651 * We cannot renegotiate sync rate if we don't have one. 652 */ 653 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 654 if (bootverbose) { 655 xpt_print(periph->path, "no sync rate known\n"); 656 } 657 return (0); 658 } 659 660 /* 661 * We'll assert that we don't have to touch PPR options- the 662 * SIM will see what we do with period and offset and adjust 663 * the PPR options as appropriate. 664 */ 665 666 /* 667 * A sync rate with unknown or zero offset is nonsensical. 668 * A sync period of zero means Async. 669 */ 670 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0 671 || spi->sync_offset == 0 || spi->sync_period == 0) { 672 if (bootverbose) { 673 xpt_print(periph->path, "no sync rate available\n"); 674 } 675 return (0); 676 } 677 678 if (device->flags & CAM_DEV_DV_HIT_BOTTOM) { 679 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 680 ("hit async: giving up on DV\n")); 681 return (0); 682 } 683 684 685 /* 686 * Jump sync_period up by one, but stop at 5MHz and fall back to Async. 687 * We don't try to remember 'last' settings to see if the SIM actually 688 * gets into the speed we want to set. We check on the SIM telling 689 * us that a requested speed is bad, but otherwise don't try and 690 * check the speed due to the asynchronous and handshake nature 691 * of speed setting. 692 */ 693 spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET; 694 for (;;) { 695 spi->sync_period++; 696 if (spi->sync_period >= 0xf) { 697 spi->sync_period = 0; 698 spi->sync_offset = 0; 699 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 700 ("setting to async for DV\n")); 701 /* 702 * Once we hit async, we don't want to try 703 * any more settings. 704 */ 705 device->flags |= CAM_DEV_DV_HIT_BOTTOM; 706 } else if (bootverbose) { 707 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 708 ("DV: period 0x%x\n", spi->sync_period)); 709 printf("setting period to 0x%x\n", spi->sync_period); 710 } 711 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 712 cts.type = CTS_TYPE_CURRENT_SETTINGS; 713 xpt_action((union ccb *)&cts); 714 if ((cts.ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 715 break; 716 } 717 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 718 ("DV: failed to set period 0x%x\n", spi->sync_period)); 719 if (spi->sync_period == 0) { 720 return (0); 721 } 722 } 723 return (1); 724} 725#endif 726static void 727probedone(struct cam_periph *periph, union ccb *done_ccb) 728{ 729 struct ccb_trans_settings cts; 730 struct ata_params *ident_buf; 731 probe_softc *softc; 732 struct cam_path *path; 733 u_int32_t priority; 734 u_int caps; 735 int found = 1; 736 737 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 738 739 softc = (probe_softc *)periph->softc; 740 path = done_ccb->ccb_h.path; 741 priority = done_ccb->ccb_h.pinfo.priority; 742 ident_buf = &path->device->ident_data; 743 744 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 745device_fail: if ((!softc->restart) && 746 cam_periph_error(done_ccb, 0, 0, NULL) == ERESTART) { 747 return; 748 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 749 /* Don't wedge the queue */ 750 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 751 /*run_queue*/TRUE); 752 } 753 /* Old PIO2 devices may not support mode setting. */ 754 if (softc->action == PROBE_SETMODE && 755 ata_max_pmode(ident_buf) <= ATA_PIO2 && 756 (ident_buf->capabilities1 & ATA_SUPPORT_IORDY) == 0) 757 goto noerror; 758 /* 759 * If we get to this point, we got an error status back 760 * from the inquiry and the error status doesn't require 761 * automatically retrying the command. Therefore, the 762 * inquiry failed. If we had inquiry information before 763 * for this device, but this latest inquiry command failed, 764 * the device has probably gone away. If this device isn't 765 * already marked unconfigured, notify the peripheral 766 * drivers that this device is no more. 767 */ 768 if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 769 xpt_async(AC_LOST_DEVICE, path, NULL); 770 found = 0; 771 goto done; 772 } 773noerror: 774 if (softc->restart) 775 goto done; 776 switch (softc->action) { 777 case PROBE_RESET: 778 { 779 int sign = (done_ccb->ataio.res.lba_high << 8) + 780 done_ccb->ataio.res.lba_mid; 781 if (bootverbose) 782 xpt_print(path, "SIGNATURE: %04x\n", sign); 783 if (sign == 0x0000 && 784 done_ccb->ccb_h.target_id != 15) { 785 path->device->protocol = PROTO_ATA; 786 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 787 } else if (sign == 0x9669 && 788 done_ccb->ccb_h.target_id == 15) { 789 /* Report SIM that PM is present. */ 790 bzero(&cts, sizeof(cts)); 791 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 792 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 793 cts.type = CTS_TYPE_CURRENT_SETTINGS; 794 cts.xport_specific.sata.pm_present = 1; 795 cts.xport_specific.sata.valid = CTS_SATA_VALID_PM; 796 xpt_action((union ccb *)&cts); 797 path->device->protocol = PROTO_SATAPM; 798 PROBE_SET_ACTION(softc, PROBE_PM_PID); 799 } else if (sign == 0xeb14 && 800 done_ccb->ccb_h.target_id != 15) { 801 path->device->protocol = PROTO_SCSI; 802 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 803 } else { 804 if (done_ccb->ccb_h.target_id != 15) { 805 xpt_print(path, 806 "Unexpected signature 0x%04x\n", sign); 807 } 808 goto device_fail; 809 } 810 xpt_release_ccb(done_ccb); 811 xpt_schedule(periph, priority); 812 return; 813 } 814 case PROBE_IDENTIFY: 815 { 816 struct ccb_pathinq cpi; 817 int16_t *ptr; 818 int changed = 1; 819 820 ident_buf = &softc->ident_data; 821 for (ptr = (int16_t *)ident_buf; 822 ptr < (int16_t *)ident_buf + sizeof(struct ata_params)/2; ptr++) { 823 *ptr = le16toh(*ptr); 824 } 825 if (strncmp(ident_buf->model, "FX", 2) && 826 strncmp(ident_buf->model, "NEC", 3) && 827 strncmp(ident_buf->model, "Pioneer", 7) && 828 strncmp(ident_buf->model, "SHARP", 5)) { 829 ata_bswap(ident_buf->model, sizeof(ident_buf->model)); 830 ata_bswap(ident_buf->revision, sizeof(ident_buf->revision)); 831 ata_bswap(ident_buf->serial, sizeof(ident_buf->serial)); 832 } 833 ata_btrim(ident_buf->model, sizeof(ident_buf->model)); 834 ata_bpack(ident_buf->model, ident_buf->model, sizeof(ident_buf->model)); 835 ata_btrim(ident_buf->revision, sizeof(ident_buf->revision)); 836 ata_bpack(ident_buf->revision, ident_buf->revision, sizeof(ident_buf->revision)); 837 ata_btrim(ident_buf->serial, sizeof(ident_buf->serial)); 838 ata_bpack(ident_buf->serial, ident_buf->serial, sizeof(ident_buf->serial)); 839 /* Device may need spin-up before IDENTIFY become valid. */ 840 if ((ident_buf->specconf == 0x37c8 || 841 ident_buf->specconf == 0x738c) && 842 ((ident_buf->config & ATA_RESP_INCOMPLETE) || 843 softc->spinup == 0)) { 844 PROBE_SET_ACTION(softc, PROBE_SPINUP); 845 xpt_release_ccb(done_ccb); 846 xpt_schedule(periph, priority); 847 return; 848 } 849 ident_buf = &path->device->ident_data; 850 if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 851 /* Check that it is the same device. */ 852 if (bcmp(softc->ident_data.model, ident_buf->model, 853 sizeof(ident_buf->model)) || 854 bcmp(softc->ident_data.revision, ident_buf->revision, 855 sizeof(ident_buf->revision)) || 856 bcmp(softc->ident_data.serial, ident_buf->serial, 857 sizeof(ident_buf->serial))) { 858 /* Device changed. */ 859 xpt_async(AC_LOST_DEVICE, path, NULL); 860 } else { 861 bcopy(&softc->ident_data, ident_buf, sizeof(struct ata_params)); 862 changed = 0; 863 } 864 } 865 if (changed) { 866 bcopy(&softc->ident_data, ident_buf, sizeof(struct ata_params)); 867 /* Clean up from previous instance of this device */ 868 if (path->device->serial_num != NULL) { 869 free(path->device->serial_num, M_CAMXPT); 870 path->device->serial_num = NULL; 871 path->device->serial_num_len = 0; 872 } 873 path->device->serial_num = 874 (u_int8_t *)malloc((sizeof(ident_buf->serial) + 1), 875 M_CAMXPT, M_NOWAIT); 876 if (path->device->serial_num != NULL) { 877 bcopy(ident_buf->serial, 878 path->device->serial_num, 879 sizeof(ident_buf->serial)); 880 path->device->serial_num[sizeof(ident_buf->serial)] 881 = '\0'; 882 path->device->serial_num_len = 883 strlen(path->device->serial_num); 884 } 885 886 path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 887 } 888 if (ident_buf->satacapabilities & ATA_SUPPORT_NCQ) { 889 path->device->mintags = path->device->maxtags = 890 ATA_QUEUE_LEN(ident_buf->queue) + 1; 891 } 892 ata_find_quirk(path->device); 893 if (path->device->mintags != 0 && 894 path->bus->sim->max_tagged_dev_openings != 0) { 895 /* Check if the SIM does not want queued commands. */ 896 bzero(&cpi, sizeof(cpi)); 897 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 898 cpi.ccb_h.func_code = XPT_PATH_INQ; 899 xpt_action((union ccb *)&cpi); 900 if (cpi.ccb_h.status == CAM_REQ_CMP && 901 (cpi.hba_inquiry & PI_TAG_ABLE)) { 902 /* Report SIM which tags are allowed. */ 903 bzero(&cts, sizeof(cts)); 904 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 905 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 906 cts.type = CTS_TYPE_CURRENT_SETTINGS; 907 cts.xport_specific.sata.tags = path->device->maxtags; 908 cts.xport_specific.sata.valid = CTS_SATA_VALID_TAGS; 909 xpt_action((union ccb *)&cts); 910 /* Reconfigure queues for tagged queueing. */ 911 xpt_start_tags(path); 912 } 913 } 914 ata_device_transport(path); 915 PROBE_SET_ACTION(softc, PROBE_SETMODE); 916 xpt_release_ccb(done_ccb); 917 xpt_schedule(periph, priority); 918 return; 919 } 920 case PROBE_SPINUP: 921 if (bootverbose) 922 xpt_print(path, "Spin-up done\n"); 923 softc->spinup = 1; 924 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 925 xpt_release_ccb(done_ccb); 926 xpt_schedule(periph, priority); 927 return; 928 case PROBE_SETMODE: 929 if (path->device->transport != XPORT_SATA) 930 goto notsata; 931 /* Set supported bits. */ 932 bzero(&cts, sizeof(cts)); 933 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 934 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 935 cts.type = CTS_TYPE_CURRENT_SETTINGS; 936 xpt_action((union ccb *)&cts); 937 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 938 caps = cts.xport_specific.sata.caps & CTS_SATA_CAPS_H; 939 else 940 caps = 0; 941 if (ident_buf->satacapabilities != 0xffff) { 942 if (ident_buf->satacapabilities & ATA_SUPPORT_IFPWRMNGTRCV) 943 caps |= CTS_SATA_CAPS_D_PMREQ; 944 if (ident_buf->satacapabilities & ATA_SUPPORT_HAPST) 945 caps |= CTS_SATA_CAPS_D_APST; 946 } 947 /* Mask unwanted bits. */ 948 bzero(&cts, sizeof(cts)); 949 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 950 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 951 cts.type = CTS_TYPE_USER_SETTINGS; 952 xpt_action((union ccb *)&cts); 953 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 954 caps &= cts.xport_specific.sata.caps; 955 /* Store result to SIM. */ 956 bzero(&cts, sizeof(cts)); 957 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 958 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 959 cts.type = CTS_TYPE_CURRENT_SETTINGS; 960 cts.xport_specific.sata.caps = caps; 961 cts.xport_specific.sata.valid = CTS_SATA_VALID_CAPS; 962 xpt_action((union ccb *)&cts); 963 softc->caps = caps; 964 if (ident_buf->satasupport & ATA_SUPPORT_IFPWRMNGT) { 965 PROBE_SET_ACTION(softc, PROBE_SETPM); 966 xpt_release_ccb(done_ccb); 967 xpt_schedule(periph, priority); 968 return; 969 } 970 /* FALLTHROUGH */ 971 case PROBE_SETPM: 972 if (ident_buf->satacapabilities != 0xffff && 973 ident_buf->satacapabilities & ATA_SUPPORT_DAPST) { 974 PROBE_SET_ACTION(softc, PROBE_SETAPST); 975 xpt_release_ccb(done_ccb); 976 xpt_schedule(periph, priority); 977 return; 978 } 979 /* FALLTHROUGH */ 980 case PROBE_SETAPST: 981 if (ident_buf->satasupport & ATA_SUPPORT_AUTOACTIVATE) { 982 PROBE_SET_ACTION(softc, PROBE_SETDMAAA); 983 xpt_release_ccb(done_ccb); 984 xpt_schedule(periph, priority); 985 return; 986 } 987 /* FALLTHROUGH */ 988 case PROBE_SETDMAAA: 989notsata: 990 if (path->device->protocol == PROTO_ATA) { 991 PROBE_SET_ACTION(softc, PROBE_SET_MULTI); 992 } else { 993 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 994 } 995 xpt_release_ccb(done_ccb); 996 xpt_schedule(periph, priority); 997 return; 998 case PROBE_SET_MULTI: 999 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1000 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1001 xpt_acquire_device(path->device); 1002 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1003 xpt_action(done_ccb); 1004 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1005 done_ccb); 1006 } 1007 break; 1008 case PROBE_INQUIRY: 1009 case PROBE_FULL_INQUIRY: 1010 { 1011 struct scsi_inquiry_data *inq_buf; 1012 u_int8_t periph_qual, len; 1013 1014 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1015 inq_buf = &path->device->inq_data; 1016 1017 periph_qual = SID_QUAL(inq_buf); 1018 1019 if (periph_qual != SID_QUAL_LU_CONNECTED) 1020 break; 1021 1022 /* 1023 * We conservatively request only 1024 * SHORT_INQUIRY_LEN bytes of inquiry 1025 * information during our first try 1026 * at sending an INQUIRY. If the device 1027 * has more information to give, 1028 * perform a second request specifying 1029 * the amount of information the device 1030 * is willing to give. 1031 */ 1032 len = inq_buf->additional_length 1033 + offsetof(struct scsi_inquiry_data, additional_length) + 1; 1034 if (softc->action == PROBE_INQUIRY 1035 && len > SHORT_INQUIRY_LENGTH) { 1036 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1037 xpt_release_ccb(done_ccb); 1038 xpt_schedule(periph, priority); 1039 return; 1040 } 1041 1042 ata_device_transport(path); 1043 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1044 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1045 xpt_acquire_device(path->device); 1046 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1047 xpt_action(done_ccb); 1048 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, done_ccb); 1049 } 1050 break; 1051 } 1052 case PROBE_PM_PID: 1053 if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) == 0) 1054 bzero(ident_buf, sizeof(*ident_buf)); 1055 softc->pm_pid = (done_ccb->ataio.res.lba_high << 24) + 1056 (done_ccb->ataio.res.lba_mid << 16) + 1057 (done_ccb->ataio.res.lba_low << 8) + 1058 done_ccb->ataio.res.sector_count; 1059 ((uint32_t *)ident_buf)[0] = softc->pm_pid; 1060 snprintf(ident_buf->model, sizeof(ident_buf->model), 1061 "Port Multiplier %08x", softc->pm_pid); 1062 PROBE_SET_ACTION(softc, PROBE_PM_PRV); 1063 xpt_release_ccb(done_ccb); 1064 xpt_schedule(periph, priority); 1065 return; 1066 case PROBE_PM_PRV: 1067 softc->pm_prv = (done_ccb->ataio.res.lba_high << 24) + 1068 (done_ccb->ataio.res.lba_mid << 16) + 1069 (done_ccb->ataio.res.lba_low << 8) + 1070 done_ccb->ataio.res.sector_count; 1071 ((uint32_t *)ident_buf)[1] = softc->pm_prv; 1072 snprintf(ident_buf->revision, sizeof(ident_buf->revision), 1073 "%04x", softc->pm_prv); 1074 path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 1075 /* Set supported bits. */ 1076 bzero(&cts, sizeof(cts)); 1077 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1078 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1079 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1080 xpt_action((union ccb *)&cts); 1081 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1082 caps = cts.xport_specific.sata.caps & CTS_SATA_CAPS_H; 1083 else 1084 caps = 0; 1085 /* All PMPs must support PM requests. */ 1086 caps |= CTS_SATA_CAPS_D_PMREQ; 1087 /* Mask unwanted bits. */ 1088 bzero(&cts, sizeof(cts)); 1089 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1090 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1091 cts.type = CTS_TYPE_USER_SETTINGS; 1092 xpt_action((union ccb *)&cts); 1093 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1094 caps &= cts.xport_specific.sata.caps; 1095 /* Store result to SIM. */ 1096 bzero(&cts, sizeof(cts)); 1097 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1098 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1099 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1100 cts.xport_specific.sata.caps = caps; 1101 cts.xport_specific.sata.valid = CTS_SATA_VALID_CAPS; 1102 xpt_action((union ccb *)&cts); 1103 softc->caps = caps; 1104 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1105 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1106 xpt_acquire_device(path->device); 1107 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1108 xpt_action(done_ccb); 1109 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1110 done_ccb); 1111 } else { 1112 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1113 xpt_action(done_ccb); 1114 xpt_async(AC_SCSI_AEN, done_ccb->ccb_h.path, done_ccb); 1115 } 1116 break; 1117 case PROBE_INVALID: 1118 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_INFO, 1119 ("probedone: invalid action state\n")); 1120 default: 1121 break; 1122 } 1123done: 1124 if (softc->restart) { 1125 softc->restart = 0; 1126 xpt_release_ccb(done_ccb); 1127 probeschedule(periph); 1128 return; 1129 } 1130 xpt_release_ccb(done_ccb); 1131 while ((done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs))) { 1132 TAILQ_REMOVE(&softc->request_ccbs, 1133 &done_ccb->ccb_h, periph_links.tqe); 1134 done_ccb->ccb_h.status = found ? CAM_REQ_CMP : CAM_REQ_CMP_ERR; 1135 xpt_done(done_ccb); 1136 } 1137 cam_release_devq(periph->path, 1138 RELSIM_RELEASE_RUNLEVEL, 0, CAM_RL_XPT + 1, FALSE); 1139 cam_periph_invalidate(periph); 1140 cam_periph_release_locked(periph); 1141} 1142 1143static void 1144probecleanup(struct cam_periph *periph) 1145{ 1146 free(periph->softc, M_CAMXPT); 1147} 1148 1149static void 1150ata_find_quirk(struct cam_ed *device) 1151{ 1152 struct ata_quirk_entry *quirk; 1153 caddr_t match; 1154 1155 match = cam_quirkmatch((caddr_t)&device->ident_data, 1156 (caddr_t)ata_quirk_table, 1157 ata_quirk_table_size, 1158 sizeof(*ata_quirk_table), ata_identify_match); 1159 1160 if (match == NULL) 1161 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1162 1163 quirk = (struct ata_quirk_entry *)match; 1164 device->quirk = quirk; 1165 if (quirk->quirks & CAM_QUIRK_MAXTAGS) 1166 device->mintags = device->maxtags = quirk->maxtags; 1167} 1168 1169typedef struct { 1170 union ccb *request_ccb; 1171 struct ccb_pathinq *cpi; 1172 int counter; 1173} ata_scan_bus_info; 1174 1175/* 1176 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1177 * As the scan progresses, xpt_scan_bus is used as the 1178 * callback on completion function. 1179 */ 1180static void 1181ata_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1182{ 1183 struct cam_path *path; 1184 ata_scan_bus_info *scan_info; 1185 union ccb *work_ccb, *reset_ccb; 1186 cam_status status; 1187 1188 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1189 ("xpt_scan_bus\n")); 1190 switch (request_ccb->ccb_h.func_code) { 1191 case XPT_SCAN_BUS: 1192 /* Find out the characteristics of the bus */ 1193 work_ccb = xpt_alloc_ccb_nowait(); 1194 if (work_ccb == NULL) { 1195 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1196 xpt_done(request_ccb); 1197 return; 1198 } 1199 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1200 request_ccb->ccb_h.pinfo.priority); 1201 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1202 xpt_action(work_ccb); 1203 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1204 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1205 xpt_free_ccb(work_ccb); 1206 xpt_done(request_ccb); 1207 return; 1208 } 1209 1210 /* We may need to reset bus first, if we haven't done it yet. */ 1211 if ((work_ccb->cpi.hba_inquiry & 1212 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1213 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1214 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset)) { 1215 reset_ccb = xpt_alloc_ccb_nowait(); 1216 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1217 CAM_PRIORITY_NONE); 1218 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1219 xpt_action(reset_ccb); 1220 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1221 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1222 xpt_free_ccb(reset_ccb); 1223 xpt_free_ccb(work_ccb); 1224 xpt_done(request_ccb); 1225 return; 1226 } 1227 xpt_free_ccb(reset_ccb); 1228 } 1229 1230 /* Save some state for use while we probe for devices */ 1231 scan_info = (ata_scan_bus_info *) 1232 malloc(sizeof(ata_scan_bus_info), M_CAMXPT, M_NOWAIT); 1233 if (scan_info == NULL) { 1234 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1235 xpt_done(request_ccb); 1236 return; 1237 } 1238 scan_info->request_ccb = request_ccb; 1239 scan_info->cpi = &work_ccb->cpi; 1240 /* If PM supported, probe it first. */ 1241 if (scan_info->cpi->hba_inquiry & PI_SATAPM) 1242 scan_info->counter = scan_info->cpi->max_target; 1243 else 1244 scan_info->counter = 0; 1245 1246 work_ccb = xpt_alloc_ccb_nowait(); 1247 if (work_ccb == NULL) { 1248 free(scan_info, M_CAMXPT); 1249 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1250 xpt_done(request_ccb); 1251 break; 1252 } 1253 goto scan_next; 1254 case XPT_SCAN_LUN: 1255 work_ccb = request_ccb; 1256 /* Reuse the same CCB to query if a device was really found */ 1257 scan_info = (ata_scan_bus_info *)work_ccb->ccb_h.ppriv_ptr0; 1258 /* If there is PMP... */ 1259 if ((scan_info->cpi->hba_inquiry & PI_SATAPM) && 1260 (scan_info->counter == scan_info->cpi->max_target)) { 1261 if (work_ccb->ccb_h.status == CAM_REQ_CMP) { 1262 /* everything else will be probed by it */ 1263 /* Free the current request path- we're done with it. */ 1264 xpt_free_path(work_ccb->ccb_h.path); 1265 goto done; 1266 } else { 1267 struct ccb_trans_settings cts; 1268 1269 /* Report SIM that PM is absent. */ 1270 bzero(&cts, sizeof(cts)); 1271 xpt_setup_ccb(&cts.ccb_h, 1272 work_ccb->ccb_h.path, CAM_PRIORITY_NONE); 1273 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1274 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1275 cts.xport_specific.sata.pm_present = 0; 1276 cts.xport_specific.sata.valid = CTS_SATA_VALID_PM; 1277 xpt_action((union ccb *)&cts); 1278 } 1279 } 1280 /* Free the current request path- we're done with it. */ 1281 xpt_free_path(work_ccb->ccb_h.path); 1282 if (scan_info->counter == 1283 ((scan_info->cpi->hba_inquiry & PI_SATAPM) ? 1284 0 : scan_info->cpi->max_target)) { 1285done: 1286 xpt_free_ccb(work_ccb); 1287 xpt_free_ccb((union ccb *)scan_info->cpi); 1288 request_ccb = scan_info->request_ccb; 1289 free(scan_info, M_CAMXPT); 1290 request_ccb->ccb_h.status = CAM_REQ_CMP; 1291 xpt_done(request_ccb); 1292 break; 1293 } 1294 /* Take next device. Wrap from max (PMP) to 0. */ 1295 scan_info->counter = (scan_info->counter + 1 ) % 1296 (scan_info->cpi->max_target + 1); 1297scan_next: 1298 status = xpt_create_path(&path, xpt_periph, 1299 scan_info->request_ccb->ccb_h.path_id, 1300 scan_info->counter, 0); 1301 if (status != CAM_REQ_CMP) { 1302 printf("xpt_scan_bus: xpt_create_path failed" 1303 " with status %#x, bus scan halted\n", 1304 status); 1305 xpt_free_ccb(work_ccb); 1306 xpt_free_ccb((union ccb *)scan_info->cpi); 1307 request_ccb = scan_info->request_ccb; 1308 free(scan_info, M_CAMXPT); 1309 request_ccb->ccb_h.status = status; 1310 xpt_done(request_ccb); 1311 break; 1312 } 1313 xpt_setup_ccb(&work_ccb->ccb_h, path, 1314 scan_info->request_ccb->ccb_h.pinfo.priority); 1315 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1316 work_ccb->ccb_h.cbfcnp = ata_scan_bus; 1317 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 1318 work_ccb->crcn.flags = scan_info->request_ccb->crcn.flags; 1319 xpt_action(work_ccb); 1320 break; 1321 default: 1322 break; 1323 } 1324} 1325 1326static void 1327ata_scan_lun(struct cam_periph *periph, struct cam_path *path, 1328 cam_flags flags, union ccb *request_ccb) 1329{ 1330 struct ccb_pathinq cpi; 1331 cam_status status; 1332 struct cam_path *new_path; 1333 struct cam_periph *old_periph; 1334 1335 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("xpt_scan_lun\n")); 1336 1337 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 1338 cpi.ccb_h.func_code = XPT_PATH_INQ; 1339 xpt_action((union ccb *)&cpi); 1340 1341 if (cpi.ccb_h.status != CAM_REQ_CMP) { 1342 if (request_ccb != NULL) { 1343 request_ccb->ccb_h.status = cpi.ccb_h.status; 1344 xpt_done(request_ccb); 1345 } 1346 return; 1347 } 1348 1349 if (request_ccb == NULL) { 1350 request_ccb = malloc(sizeof(union ccb), M_CAMXPT, M_NOWAIT); 1351 if (request_ccb == NULL) { 1352 xpt_print(path, "xpt_scan_lun: can't allocate CCB, " 1353 "can't continue\n"); 1354 return; 1355 } 1356 new_path = malloc(sizeof(*new_path), M_CAMXPT, M_NOWAIT); 1357 if (new_path == NULL) { 1358 xpt_print(path, "xpt_scan_lun: can't allocate path, " 1359 "can't continue\n"); 1360 free(request_ccb, M_CAMXPT); 1361 return; 1362 } 1363 status = xpt_compile_path(new_path, xpt_periph, 1364 path->bus->path_id, 1365 path->target->target_id, 1366 path->device->lun_id); 1367 1368 if (status != CAM_REQ_CMP) { 1369 xpt_print(path, "xpt_scan_lun: can't compile path, " 1370 "can't continue\n"); 1371 free(request_ccb, M_CAMXPT); 1372 free(new_path, M_CAMXPT); 1373 return; 1374 } 1375 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 1376 request_ccb->ccb_h.cbfcnp = xptscandone; 1377 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1378 request_ccb->crcn.flags = flags; 1379 } 1380 1381 if ((old_periph = cam_periph_find(path, "aprobe")) != NULL) { 1382 probe_softc *softc; 1383 1384 softc = (probe_softc *)old_periph->softc; 1385 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 1386 periph_links.tqe); 1387 softc->restart = 1; 1388 } else { 1389 status = cam_periph_alloc(proberegister, NULL, probecleanup, 1390 probestart, "aprobe", 1391 CAM_PERIPH_BIO, 1392 request_ccb->ccb_h.path, NULL, 0, 1393 request_ccb); 1394 1395 if (status != CAM_REQ_CMP) { 1396 xpt_print(path, "xpt_scan_lun: cam_alloc_periph " 1397 "returned an error, can't continue probe\n"); 1398 request_ccb->ccb_h.status = status; 1399 xpt_done(request_ccb); 1400 } 1401 } 1402} 1403 1404static void 1405xptscandone(struct cam_periph *periph, union ccb *done_ccb) 1406{ 1407 xpt_release_path(done_ccb->ccb_h.path); 1408 free(done_ccb->ccb_h.path, M_CAMXPT); 1409 free(done_ccb, M_CAMXPT); 1410} 1411 1412static struct cam_ed * 1413ata_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 1414{ 1415 struct cam_path path; 1416 struct ata_quirk_entry *quirk; 1417 struct cam_ed *device; 1418 struct cam_ed *cur_device; 1419 1420 device = xpt_alloc_device(bus, target, lun_id); 1421 if (device == NULL) 1422 return (NULL); 1423 1424 /* 1425 * Take the default quirk entry until we have inquiry 1426 * data and can determine a better quirk to use. 1427 */ 1428 quirk = &ata_quirk_table[ata_quirk_table_size - 1]; 1429 device->quirk = (void *)quirk; 1430 device->mintags = 0; 1431 device->maxtags = 0; 1432 bzero(&device->inq_data, sizeof(device->inq_data)); 1433 device->inq_flags = 0; 1434 device->queue_flags = 0; 1435 device->serial_num = NULL; 1436 device->serial_num_len = 0; 1437 1438 /* 1439 * XXX should be limited by number of CCBs this bus can 1440 * do. 1441 */ 1442 bus->sim->max_ccbs += device->ccbq.devq_openings; 1443 /* Insertion sort into our target's device list */ 1444 cur_device = TAILQ_FIRST(&target->ed_entries); 1445 while (cur_device != NULL && cur_device->lun_id < lun_id) 1446 cur_device = TAILQ_NEXT(cur_device, links); 1447 if (cur_device != NULL) { 1448 TAILQ_INSERT_BEFORE(cur_device, device, links); 1449 } else { 1450 TAILQ_INSERT_TAIL(&target->ed_entries, device, links); 1451 } 1452 target->generation++; 1453 if (lun_id != CAM_LUN_WILDCARD) { 1454 xpt_compile_path(&path, 1455 NULL, 1456 bus->path_id, 1457 target->target_id, 1458 lun_id); 1459 ata_device_transport(&path); 1460 xpt_release_path(&path); 1461 } 1462 1463 return (device); 1464} 1465 1466static void 1467ata_device_transport(struct cam_path *path) 1468{ 1469 struct ccb_pathinq cpi; 1470 struct ccb_trans_settings cts; 1471 struct scsi_inquiry_data *inq_buf = NULL; 1472 struct ata_params *ident_buf = NULL; 1473 1474 /* Get transport information from the SIM */ 1475 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 1476 cpi.ccb_h.func_code = XPT_PATH_INQ; 1477 xpt_action((union ccb *)&cpi); 1478 1479 path->device->transport = cpi.transport; 1480 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 1481 inq_buf = &path->device->inq_data; 1482 if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) != 0) 1483 ident_buf = &path->device->ident_data; 1484 if (path->device->protocol == PROTO_ATA) { 1485 path->device->protocol_version = ident_buf ? 1486 ata_version(ident_buf->version_major) : cpi.protocol_version; 1487 } else if (path->device->protocol == PROTO_SCSI) { 1488 path->device->protocol_version = inq_buf ? 1489 SID_ANSI_REV(inq_buf) : cpi.protocol_version; 1490 } 1491 path->device->transport_version = ident_buf ? 1492 ata_version(ident_buf->version_major) : cpi.transport_version; 1493 1494 /* Tell the controller what we think */ 1495 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1496 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1497 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1498 cts.transport = path->device->transport; 1499 cts.transport_version = path->device->transport_version; 1500 cts.protocol = path->device->protocol; 1501 cts.protocol_version = path->device->protocol_version; 1502 cts.proto_specific.valid = 0; 1503 if (ident_buf) { 1504 if (path->device->transport == XPORT_ATA) { 1505 cts.xport_specific.ata.atapi = 1506 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_16) ? 16 : 1507 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_12) ? 12 : 0; 1508 cts.xport_specific.ata.valid = CTS_ATA_VALID_ATAPI; 1509 } else { 1510 cts.xport_specific.sata.atapi = 1511 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_16) ? 16 : 1512 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_12) ? 12 : 0; 1513 cts.xport_specific.sata.valid = CTS_SATA_VALID_ATAPI; 1514 } 1515 } else 1516 cts.xport_specific.valid = 0; 1517 xpt_action((union ccb *)&cts); 1518} 1519 1520static void 1521ata_action(union ccb *start_ccb) 1522{ 1523 1524 switch (start_ccb->ccb_h.func_code) { 1525 case XPT_SET_TRAN_SETTINGS: 1526 { 1527 ata_set_transfer_settings(&start_ccb->cts, 1528 start_ccb->ccb_h.path->device, 1529 /*async_update*/FALSE); 1530 break; 1531 } 1532 case XPT_SCAN_BUS: 1533 ata_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 1534 break; 1535 case XPT_SCAN_LUN: 1536 ata_scan_lun(start_ccb->ccb_h.path->periph, 1537 start_ccb->ccb_h.path, start_ccb->crcn.flags, 1538 start_ccb); 1539 break; 1540 case XPT_GET_TRAN_SETTINGS: 1541 { 1542 struct cam_sim *sim; 1543 1544 sim = start_ccb->ccb_h.path->bus->sim; 1545 (*(sim->sim_action))(sim, start_ccb); 1546 break; 1547 } 1548 case XPT_SCSI_IO: 1549 { 1550 struct cam_ed *device; 1551 u_int maxlen = 0; 1552 1553 device = start_ccb->ccb_h.path->device; 1554 if (device->protocol == PROTO_SCSI && 1555 (device->flags & CAM_DEV_IDENTIFY_DATA_VALID)) { 1556 uint16_t p = 1557 device->ident_data.config & ATA_PROTO_MASK; 1558 1559 maxlen = (p == ATA_PROTO_ATAPI_16) ? 16 : 1560 (p == ATA_PROTO_ATAPI_12) ? 12 : 0; 1561 } 1562 if (start_ccb->csio.cdb_len > maxlen) { 1563 start_ccb->ccb_h.status = CAM_REQ_INVALID; 1564 xpt_done(start_ccb); 1565 break; 1566 } 1567 /* FALLTHROUGH */ 1568 } 1569 default: 1570 xpt_action_default(start_ccb); 1571 break; 1572 } 1573} 1574 1575static void 1576ata_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_ed *device, 1577 int async_update) 1578{ 1579 struct ccb_pathinq cpi; 1580 struct ccb_trans_settings cur_cts; 1581 struct ccb_trans_settings_scsi *scsi; 1582 struct ccb_trans_settings_scsi *cur_scsi; 1583 struct cam_sim *sim; 1584 struct scsi_inquiry_data *inq_data; 1585 1586 if (device == NULL) { 1587 cts->ccb_h.status = CAM_PATH_INVALID; 1588 xpt_done((union ccb *)cts); 1589 return; 1590 } 1591 1592 if (cts->protocol == PROTO_UNKNOWN 1593 || cts->protocol == PROTO_UNSPECIFIED) { 1594 cts->protocol = device->protocol; 1595 cts->protocol_version = device->protocol_version; 1596 } 1597 1598 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 1599 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 1600 cts->protocol_version = device->protocol_version; 1601 1602 if (cts->protocol != device->protocol) { 1603 xpt_print(cts->ccb_h.path, "Uninitialized Protocol %x:%x?\n", 1604 cts->protocol, device->protocol); 1605 cts->protocol = device->protocol; 1606 } 1607 1608 if (cts->protocol_version > device->protocol_version) { 1609 if (bootverbose) { 1610 xpt_print(cts->ccb_h.path, "Down reving Protocol " 1611 "Version from %d to %d?\n", cts->protocol_version, 1612 device->protocol_version); 1613 } 1614 cts->protocol_version = device->protocol_version; 1615 } 1616 1617 if (cts->transport == XPORT_UNKNOWN 1618 || cts->transport == XPORT_UNSPECIFIED) { 1619 cts->transport = device->transport; 1620 cts->transport_version = device->transport_version; 1621 } 1622 1623 if (cts->transport_version == XPORT_VERSION_UNKNOWN 1624 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 1625 cts->transport_version = device->transport_version; 1626 1627 if (cts->transport != device->transport) { 1628 xpt_print(cts->ccb_h.path, "Uninitialized Transport %x:%x?\n", 1629 cts->transport, device->transport); 1630 cts->transport = device->transport; 1631 } 1632 1633 if (cts->transport_version > device->transport_version) { 1634 if (bootverbose) { 1635 xpt_print(cts->ccb_h.path, "Down reving Transport " 1636 "Version from %d to %d?\n", cts->transport_version, 1637 device->transport_version); 1638 } 1639 cts->transport_version = device->transport_version; 1640 } 1641 1642 sim = cts->ccb_h.path->bus->sim; 1643 1644 /* 1645 * Nothing more of interest to do unless 1646 * this is a device connected via the 1647 * SCSI protocol. 1648 */ 1649 if (cts->protocol != PROTO_SCSI) { 1650 if (async_update == FALSE) 1651 (*(sim->sim_action))(sim, (union ccb *)cts); 1652 return; 1653 } 1654 1655 inq_data = &device->inq_data; 1656 scsi = &cts->proto_specific.scsi; 1657 xpt_setup_ccb(&cpi.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 1658 cpi.ccb_h.func_code = XPT_PATH_INQ; 1659 xpt_action((union ccb *)&cpi); 1660 1661 /* SCSI specific sanity checking */ 1662 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 1663 || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 1664 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 1665 || (device->mintags == 0)) { 1666 /* 1667 * Can't tag on hardware that doesn't support tags, 1668 * doesn't have it enabled, or has broken tag support. 1669 */ 1670 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1671 } 1672 1673 if (async_update == FALSE) { 1674 /* 1675 * Perform sanity checking against what the 1676 * controller and device can do. 1677 */ 1678 xpt_setup_ccb(&cur_cts.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 1679 cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1680 cur_cts.type = cts->type; 1681 xpt_action((union ccb *)&cur_cts); 1682 if ((cur_cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1683 return; 1684 } 1685 cur_scsi = &cur_cts.proto_specific.scsi; 1686 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 1687 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1688 scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 1689 } 1690 if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 1691 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1692 } 1693 1694 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 1695 && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 1696 int device_tagenb; 1697 1698 /* 1699 * If we are transitioning from tags to no-tags or 1700 * vice-versa, we need to carefully freeze and restart 1701 * the queue so that we don't overlap tagged and non-tagged 1702 * commands. We also temporarily stop tags if there is 1703 * a change in transfer negotiation settings to allow 1704 * "tag-less" negotiation. 1705 */ 1706 if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 1707 || (device->inq_flags & SID_CmdQue) != 0) 1708 device_tagenb = TRUE; 1709 else 1710 device_tagenb = FALSE; 1711 1712 if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 1713 && device_tagenb == FALSE) 1714 || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 1715 && device_tagenb == TRUE)) { 1716 1717 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 1718 /* 1719 * Delay change to use tags until after a 1720 * few commands have gone to this device so 1721 * the controller has time to perform transfer 1722 * negotiations without tagged messages getting 1723 * in the way. 1724 */ 1725 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 1726 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 1727 } else { 1728 xpt_stop_tags(cts->ccb_h.path); 1729 } 1730 } 1731 } 1732 if (async_update == FALSE) 1733 (*(sim->sim_action))(sim, (union ccb *)cts); 1734} 1735 1736/* 1737 * Handle any per-device event notifications that require action by the XPT. 1738 */ 1739static void 1740ata_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 1741 struct cam_ed *device, void *async_arg) 1742{ 1743 cam_status status; 1744 struct cam_path newpath; 1745 1746 /* 1747 * We only need to handle events for real devices. 1748 */ 1749 if (target->target_id == CAM_TARGET_WILDCARD 1750 || device->lun_id == CAM_LUN_WILDCARD) 1751 return; 1752 1753 /* 1754 * We need our own path with wildcards expanded to 1755 * handle certain types of events. 1756 */ 1757 if ((async_code == AC_SENT_BDR) 1758 || (async_code == AC_BUS_RESET) 1759 || (async_code == AC_INQ_CHANGED)) 1760 status = xpt_compile_path(&newpath, NULL, 1761 bus->path_id, 1762 target->target_id, 1763 device->lun_id); 1764 else 1765 status = CAM_REQ_CMP_ERR; 1766 1767 if (status == CAM_REQ_CMP) { 1768 if (async_code == AC_INQ_CHANGED) { 1769 /* 1770 * We've sent a start unit command, or 1771 * something similar to a device that 1772 * may have caused its inquiry data to 1773 * change. So we re-scan the device to 1774 * refresh the inquiry data for it. 1775 */ 1776 ata_scan_lun(newpath.periph, &newpath, 1777 CAM_EXPECT_INQ_CHANGE, NULL); 1778 } else { 1779 /* We need to reinitialize device after reset. */ 1780 ata_scan_lun(newpath.periph, &newpath, 1781 0, NULL); 1782 } 1783 xpt_release_path(&newpath); 1784 } else if (async_code == AC_LOST_DEVICE && 1785 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 1786 device->flags |= CAM_DEV_UNCONFIGURED; 1787 xpt_release_device(device); 1788 } else if (async_code == AC_TRANSFER_NEG) { 1789 struct ccb_trans_settings *settings; 1790 1791 settings = (struct ccb_trans_settings *)async_arg; 1792 ata_set_transfer_settings(settings, device, 1793 /*async_update*/TRUE); 1794 } 1795} 1796 1797static void 1798ata_announce_periph(struct cam_periph *periph) 1799{ 1800 struct ccb_pathinq cpi; 1801 struct ccb_trans_settings cts; 1802 struct cam_path *path = periph->path; 1803 u_int speed; 1804 u_int mb; 1805 1806 mtx_assert(periph->sim->mtx, MA_OWNED); 1807 1808 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 1809 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1810 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1811 xpt_action((union ccb*)&cts); 1812 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 1813 return; 1814 /* Ask the SIM for its base transfer speed */ 1815 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 1816 cpi.ccb_h.func_code = XPT_PATH_INQ; 1817 xpt_action((union ccb *)&cpi); 1818 /* Report connection speed */ 1819 speed = cpi.base_transfer_speed; 1820 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_ATA) { 1821 struct ccb_trans_settings_ata *ata = 1822 &cts.xport_specific.ata; 1823 1824 if (ata->valid & CTS_ATA_VALID_MODE) 1825 speed = ata_mode2speed(ata->mode); 1826 } 1827 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SATA) { 1828 struct ccb_trans_settings_sata *sata = 1829 &cts.xport_specific.sata; 1830 1831 if (sata->valid & CTS_SATA_VALID_REVISION) 1832 speed = ata_revision2speed(sata->revision); 1833 } 1834 mb = speed / 1000; 1835 if (mb > 0) 1836 printf("%s%d: %d.%03dMB/s transfers", 1837 periph->periph_name, periph->unit_number, 1838 mb, speed % 1000); 1839 else 1840 printf("%s%d: %dKB/s transfers", periph->periph_name, 1841 periph->unit_number, speed); 1842 /* Report additional information about connection */ 1843 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_ATA) { 1844 struct ccb_trans_settings_ata *ata = 1845 &cts.xport_specific.ata; 1846 1847 printf(" ("); 1848 if (ata->valid & CTS_ATA_VALID_MODE) 1849 printf("%s, ", ata_mode2string(ata->mode)); 1850 if ((ata->valid & CTS_ATA_VALID_ATAPI) && ata->atapi != 0) 1851 printf("ATAPI %dbytes, ", ata->atapi); 1852 if (ata->valid & CTS_ATA_VALID_BYTECOUNT) 1853 printf("PIO %dbytes", ata->bytecount); 1854 printf(")"); 1855 } 1856 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SATA) { 1857 struct ccb_trans_settings_sata *sata = 1858 &cts.xport_specific.sata; 1859 1860 printf(" ("); 1861 if (sata->valid & CTS_SATA_VALID_REVISION) 1862 printf("SATA %d.x, ", sata->revision); 1863 else 1864 printf("SATA, "); 1865 if (sata->valid & CTS_SATA_VALID_MODE) 1866 printf("%s, ", ata_mode2string(sata->mode)); 1867 if ((sata->valid & CTS_ATA_VALID_ATAPI) && sata->atapi != 0) 1868 printf("ATAPI %dbytes, ", sata->atapi); 1869 if (sata->valid & CTS_SATA_VALID_BYTECOUNT) 1870 printf("PIO %dbytes", sata->bytecount); 1871 printf(")"); 1872 } 1873 printf("\n"); 1874} 1875 1876