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("$FreeBSD$"); 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 64 struct 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 71 static periph_init_t probe_periph_init; 72 73 static 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 80 PERIPHDRIVER_DECLARE(aprobe, probe_driver); 81 82 typedef 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 98 static 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) \ 115 do { \ 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) 123 124 typedef enum { 125 PROBE_NO_ANNOUNCE = 0x04 126 } probe_flags; 127 128 typedef struct { 129 TAILQ_HEAD(, ccb_hdr) request_ccbs; 130 struct ata_params ident_data; 131 probe_action action; 132 probe_flags flags; 133 uint32_t pm_pid; 134 uint32_t pm_prv; 135 int restart; 136 int spinup; 137 int faults; 138 u_int caps; 139 struct cam_periph *periph; 140 } probe_softc; 141 142 static struct ata_quirk_entry ata_quirk_table[] = 143 { 144 { 145 /* Default tagged queuing parameters for all devices */ 146 { 147 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 148 /*vendor*/"*", /*product*/"*", /*revision*/"*" 149 }, 150 /*quirks*/0, /*maxtags*/0 151 }, 152 }; 153 154 static const int ata_quirk_table_size = 155 sizeof(ata_quirk_table) / sizeof(*ata_quirk_table); 156 157 static cam_status proberegister(struct cam_periph *periph, 158 void *arg); 159 static void probeschedule(struct cam_periph *probe_periph); 160 static void probestart(struct cam_periph *periph, union ccb *start_ccb); 161 //static void proberequestdefaultnegotiation(struct cam_periph *periph); 162 //static int proberequestbackoff(struct cam_periph *periph, 163 // struct cam_ed *device); 164 static void probedone(struct cam_periph *periph, union ccb *done_ccb); 165 static void probecleanup(struct cam_periph *periph); 166 static void ata_find_quirk(struct cam_ed *device); 167 static void ata_scan_bus(struct cam_periph *periph, union ccb *ccb); 168 static void ata_scan_lun(struct cam_periph *periph, 169 struct cam_path *path, cam_flags flags, 170 union ccb *ccb); 171 static void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 172 static struct cam_ed * 173 ata_alloc_device(struct cam_eb *bus, struct cam_et *target, 174 lun_id_t lun_id); 175 static void ata_device_transport(struct cam_path *path); 176 static void ata_set_transfer_settings(struct ccb_trans_settings *cts, 177 struct cam_ed *device, 178 int async_update); 179 static void ata_dev_async(u_int32_t async_code, 180 struct cam_eb *bus, 181 struct cam_et *target, 182 struct cam_ed *device, 183 void *async_arg); 184 static void ata_action(union ccb *start_ccb); 185 static void ata_announce_periph(struct cam_periph *periph); 186 187 static struct xpt_xport ata_xport = { 188 .alloc_device = ata_alloc_device, 189 .action = ata_action, 190 .async = ata_dev_async, 191 .announce = ata_announce_periph, 192 }; 193 194 struct xpt_xport * 195 ata_get_xport(void) 196 { 197 return (&ata_xport); 198 } 199 200 static void 201 probe_periph_init() 202 { 203 } 204 205 static cam_status 206 proberegister(struct cam_periph *periph, void *arg) 207 { 208 union ccb *request_ccb; /* CCB representing the probe request */ 209 cam_status status; 210 probe_softc *softc; 211 212 request_ccb = (union ccb *)arg; 213 if (periph == NULL) { 214 printf("proberegister: periph was NULL!!\n"); 215 return(CAM_REQ_CMP_ERR); 216 } 217 218 if (request_ccb == NULL) { 219 printf("proberegister: no probe CCB, " 220 "can't register device\n"); 221 return(CAM_REQ_CMP_ERR); 222 } 223 224 softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_ZERO | M_NOWAIT); 225 226 if (softc == NULL) { 227 printf("proberegister: Unable to probe new device. " 228 "Unable to allocate softc\n"); 229 return(CAM_REQ_CMP_ERR); 230 } 231 TAILQ_INIT(&softc->request_ccbs); 232 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 233 periph_links.tqe); 234 softc->flags = 0; 235 periph->softc = softc; 236 softc->periph = periph; 237 softc->action = PROBE_INVALID; 238 status = cam_periph_acquire(periph); 239 if (status != CAM_REQ_CMP) { 240 return (status); 241 } 242 /* 243 * Ensure nobody slip in until probe finish. 244 */ 245 cam_freeze_devq_arg(periph->path, 246 RELSIM_RELEASE_RUNLEVEL, CAM_RL_XPT + 1); 247 probeschedule(periph); 248 return(CAM_REQ_CMP); 249 } 250 251 static void 252 probeschedule(struct cam_periph *periph) 253 { 254 union ccb *ccb; 255 probe_softc *softc; 256 257 softc = (probe_softc *)periph->softc; 258 ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 259 260 if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) || 261 periph->path->device->protocol == PROTO_SATAPM) 262 PROBE_SET_ACTION(softc, PROBE_RESET); 263 else 264 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 265 266 if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 267 softc->flags |= PROBE_NO_ANNOUNCE; 268 else 269 softc->flags &= ~PROBE_NO_ANNOUNCE; 270 271 xpt_schedule(periph, CAM_PRIORITY_XPT); 272 } 273 274 static void 275 probestart(struct cam_periph *periph, union ccb *start_ccb) 276 { 277 struct ccb_trans_settings cts; 278 struct ccb_ataio *ataio; 279 struct ccb_scsiio *csio; 280 probe_softc *softc; 281 struct cam_path *path; 282 struct ata_params *ident_buf; 283 284 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n")); 285 286 softc = (probe_softc *)periph->softc; 287 path = start_ccb->ccb_h.path; 288 ataio = &start_ccb->ataio; 289 csio = &start_ccb->csio; 290 ident_buf = &periph->path->device->ident_data; 291 292 if (softc->restart) { 293 softc->restart = 0; 294 if ((path->device->flags & CAM_DEV_UNCONFIGURED) || 295 path->device->protocol == PROTO_SATAPM) 296 softc->action = PROBE_RESET; 297 else 298 softc->action = PROBE_IDENTIFY; 299 } 300 switch (softc->action) { 301 case PROBE_RESET: 302 cam_fill_ataio(ataio, 303 0, 304 probedone, 305 /*flags*/CAM_DIR_NONE, 306 0, 307 /*data_ptr*/NULL, 308 /*dxfer_len*/0, 309 15 * 1000); 310 ata_reset_cmd(ataio); 311 break; 312 case PROBE_IDENTIFY: 313 cam_fill_ataio(ataio, 314 1, 315 probedone, 316 /*flags*/CAM_DIR_IN, 317 0, 318 /*data_ptr*/(u_int8_t *)&softc->ident_data, 319 /*dxfer_len*/sizeof(softc->ident_data), 320 30 * 1000); 321 if (periph->path->device->protocol == PROTO_ATA) 322 ata_28bit_cmd(ataio, ATA_ATA_IDENTIFY, 0, 0, 0); 323 else 324 ata_28bit_cmd(ataio, ATA_ATAPI_IDENTIFY, 0, 0, 0); 325 break; 326 case PROBE_SPINUP: 327 if (bootverbose) 328 xpt_print(path, "Spinning up device\n"); 329 cam_fill_ataio(ataio, 330 1, 331 probedone, 332 /*flags*/CAM_DIR_NONE | CAM_HIGH_POWER, 333 0, 334 /*data_ptr*/NULL, 335 /*dxfer_len*/0, 336 30 * 1000); 337 ata_28bit_cmd(ataio, ATA_SETFEATURES, ATA_SF_PUIS_SPINUP, 0, 0); 338 break; 339 case PROBE_SETMODE: 340 { 341 int mode, wantmode; 342 343 mode = 0; 344 /* Fetch user modes from SIM. */ 345 bzero(&cts, sizeof(cts)); 346 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 347 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 348 cts.type = CTS_TYPE_USER_SETTINGS; 349 xpt_action((union ccb *)&cts); 350 if (path->device->transport == XPORT_ATA) { 351 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_MODE) 352 mode = cts.xport_specific.ata.mode; 353 } else { 354 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_MODE) 355 mode = cts.xport_specific.sata.mode; 356 } 357 negotiate: 358 /* Honor device capabilities. */ 359 wantmode = mode = ata_max_mode(ident_buf, mode); 360 /* Report modes to SIM. */ 361 bzero(&cts, sizeof(cts)); 362 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 363 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 364 cts.type = CTS_TYPE_CURRENT_SETTINGS; 365 if (path->device->transport == XPORT_ATA) { 366 cts.xport_specific.ata.mode = mode; 367 cts.xport_specific.ata.valid = CTS_ATA_VALID_MODE; 368 } else { 369 cts.xport_specific.sata.mode = mode; 370 cts.xport_specific.sata.valid = CTS_SATA_VALID_MODE; 371 } 372 xpt_action((union ccb *)&cts); 373 /* Fetch current modes from SIM. */ 374 bzero(&cts, sizeof(cts)); 375 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 376 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 377 cts.type = CTS_TYPE_CURRENT_SETTINGS; 378 xpt_action((union ccb *)&cts); 379 if (path->device->transport == XPORT_ATA) { 380 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_MODE) 381 mode = cts.xport_specific.ata.mode; 382 } else { 383 if (cts.xport_specific.ata.valid & CTS_SATA_VALID_MODE) 384 mode = cts.xport_specific.sata.mode; 385 } 386 /* If SIM disagree - renegotiate. */ 387 if (mode != wantmode) 388 goto negotiate; 389 cam_fill_ataio(ataio, 390 1, 391 probedone, 392 /*flags*/CAM_DIR_NONE, 393 0, 394 /*data_ptr*/NULL, 395 /*dxfer_len*/0, 396 30 * 1000); 397 ata_28bit_cmd(ataio, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode); 398 break; 399 } 400 case PROBE_SETPM: 401 cam_fill_ataio(ataio, 402 1, 403 probedone, 404 CAM_DIR_NONE, 405 0, 406 NULL, 407 0, 408 30*1000); 409 ata_28bit_cmd(ataio, ATA_SETFEATURES, 410 (softc->caps & CTS_SATA_CAPS_H_PMREQ) ? 0x10 : 0x90, 411 0, 0x03); 412 break; 413 case PROBE_SETAPST: 414 cam_fill_ataio(ataio, 415 1, 416 probedone, 417 CAM_DIR_NONE, 418 0, 419 NULL, 420 0, 421 30*1000); 422 ata_28bit_cmd(ataio, ATA_SETFEATURES, 423 (softc->caps & CTS_SATA_CAPS_H_APST) ? 0x10 : 0x90, 424 0, 0x07); 425 break; 426 case PROBE_SETDMAAA: 427 cam_fill_ataio(ataio, 428 1, 429 probedone, 430 CAM_DIR_NONE, 431 0, 432 NULL, 433 0, 434 30*1000); 435 ata_28bit_cmd(ataio, ATA_SETFEATURES, 436 (softc->caps & CTS_SATA_CAPS_H_DMAAA) ? 0x10 : 0x90, 437 0, 0x02); 438 break; 439 case PROBE_SET_MULTI: 440 { 441 u_int sectors, bytecount; 442 443 bytecount = 8192; /* SATA maximum */ 444 /* Fetch user bytecount from SIM. */ 445 bzero(&cts, sizeof(cts)); 446 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 447 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 448 cts.type = CTS_TYPE_USER_SETTINGS; 449 xpt_action((union ccb *)&cts); 450 if (path->device->transport == XPORT_ATA) { 451 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 452 bytecount = cts.xport_specific.ata.bytecount; 453 } else { 454 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 455 bytecount = cts.xport_specific.sata.bytecount; 456 } 457 /* Honor device capabilities. */ 458 sectors = max(1, min(ident_buf->sectors_intr & 0xff, 459 bytecount / ata_logical_sector_size(ident_buf))); 460 /* Report bytecount to SIM. */ 461 bzero(&cts, sizeof(cts)); 462 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 463 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 464 cts.type = CTS_TYPE_CURRENT_SETTINGS; 465 if (path->device->transport == XPORT_ATA) { 466 cts.xport_specific.ata.bytecount = sectors * 467 ata_logical_sector_size(ident_buf); 468 cts.xport_specific.ata.valid = CTS_ATA_VALID_BYTECOUNT; 469 } else { 470 cts.xport_specific.sata.bytecount = sectors * 471 ata_logical_sector_size(ident_buf); 472 cts.xport_specific.sata.valid = CTS_SATA_VALID_BYTECOUNT; 473 } 474 xpt_action((union ccb *)&cts); 475 /* Fetch current bytecount from SIM. */ 476 bzero(&cts, sizeof(cts)); 477 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 478 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 479 cts.type = CTS_TYPE_CURRENT_SETTINGS; 480 xpt_action((union ccb *)&cts); 481 if (path->device->transport == XPORT_ATA) { 482 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 483 bytecount = cts.xport_specific.ata.bytecount; 484 } else { 485 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 486 bytecount = cts.xport_specific.sata.bytecount; 487 } 488 sectors = bytecount / ata_logical_sector_size(ident_buf); 489 490 cam_fill_ataio(ataio, 491 1, 492 probedone, 493 CAM_DIR_NONE, 494 0, 495 NULL, 496 0, 497 30*1000); 498 ata_28bit_cmd(ataio, ATA_SET_MULTI, 0, 0, sectors); 499 break; 500 } 501 case PROBE_INQUIRY: 502 { 503 u_int bytecount; 504 505 bytecount = 8192; /* SATA maximum */ 506 /* Fetch user bytecount from SIM. */ 507 bzero(&cts, sizeof(cts)); 508 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 509 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 510 cts.type = CTS_TYPE_USER_SETTINGS; 511 xpt_action((union ccb *)&cts); 512 if (path->device->transport == XPORT_ATA) { 513 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 514 bytecount = cts.xport_specific.ata.bytecount; 515 } else { 516 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 517 bytecount = cts.xport_specific.sata.bytecount; 518 } 519 /* Honor device capabilities. */ 520 bytecount &= ~1; 521 bytecount = max(2, min(65534, bytecount)); 522 if (ident_buf->satacapabilities != 0x0000 && 523 ident_buf->satacapabilities != 0xffff) { 524 bytecount = min(8192, bytecount); 525 } 526 /* Report bytecount to SIM. */ 527 bzero(&cts, sizeof(cts)); 528 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 529 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 530 cts.type = CTS_TYPE_CURRENT_SETTINGS; 531 if (path->device->transport == XPORT_ATA) { 532 cts.xport_specific.ata.bytecount = bytecount; 533 cts.xport_specific.ata.valid = CTS_ATA_VALID_BYTECOUNT; 534 } else { 535 cts.xport_specific.sata.bytecount = bytecount; 536 cts.xport_specific.sata.valid = CTS_SATA_VALID_BYTECOUNT; 537 } 538 xpt_action((union ccb *)&cts); 539 /* FALLTHROUGH */ 540 } 541 case PROBE_FULL_INQUIRY: 542 { 543 u_int inquiry_len; 544 struct scsi_inquiry_data *inq_buf = 545 &periph->path->device->inq_data; 546 547 if (softc->action == PROBE_INQUIRY) 548 inquiry_len = SHORT_INQUIRY_LENGTH; 549 else 550 inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 551 /* 552 * Some parallel SCSI devices fail to send an 553 * ignore wide residue message when dealing with 554 * odd length inquiry requests. Round up to be 555 * safe. 556 */ 557 inquiry_len = roundup2(inquiry_len, 2); 558 scsi_inquiry(csio, 559 /*retries*/1, 560 probedone, 561 MSG_SIMPLE_Q_TAG, 562 (u_int8_t *)inq_buf, 563 inquiry_len, 564 /*evpd*/FALSE, 565 /*page_code*/0, 566 SSD_MIN_SIZE, 567 /*timeout*/60 * 1000); 568 break; 569 } 570 case PROBE_PM_PID: 571 cam_fill_ataio(ataio, 572 1, 573 probedone, 574 /*flags*/CAM_DIR_NONE, 575 0, 576 /*data_ptr*/NULL, 577 /*dxfer_len*/0, 578 10 * 1000); 579 ata_pm_read_cmd(ataio, 0, 15); 580 break; 581 case PROBE_PM_PRV: 582 cam_fill_ataio(ataio, 583 1, 584 probedone, 585 /*flags*/CAM_DIR_NONE, 586 0, 587 /*data_ptr*/NULL, 588 /*dxfer_len*/0, 589 10 * 1000); 590 ata_pm_read_cmd(ataio, 1, 15); 591 break; 592 case PROBE_INVALID: 593 CAM_DEBUG(path, CAM_DEBUG_INFO, 594 ("probestart: invalid action state\n")); 595 default: 596 break; 597 } 598 xpt_action(start_ccb); 599 } 600 #if 0 601 static void 602 proberequestdefaultnegotiation(struct cam_periph *periph) 603 { 604 struct ccb_trans_settings cts; 605 606 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 607 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 608 cts.type = CTS_TYPE_USER_SETTINGS; 609 xpt_action((union ccb *)&cts); 610 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 611 return; 612 } 613 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 614 cts.type = CTS_TYPE_CURRENT_SETTINGS; 615 xpt_action((union ccb *)&cts); 616 } 617 618 /* 619 * Backoff Negotiation Code- only pertinent for SPI devices. 620 */ 621 static int 622 proberequestbackoff(struct cam_periph *periph, struct cam_ed *device) 623 { 624 struct ccb_trans_settings cts; 625 struct ccb_trans_settings_spi *spi; 626 627 memset(&cts, 0, sizeof (cts)); 628 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 629 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 630 cts.type = CTS_TYPE_CURRENT_SETTINGS; 631 xpt_action((union ccb *)&cts); 632 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 633 if (bootverbose) { 634 xpt_print(periph->path, 635 "failed to get current device settings\n"); 636 } 637 return (0); 638 } 639 if (cts.transport != XPORT_SPI) { 640 if (bootverbose) { 641 xpt_print(periph->path, "not SPI transport\n"); 642 } 643 return (0); 644 } 645 spi = &cts.xport_specific.spi; 646 647 /* 648 * We cannot renegotiate sync rate if we don't have one. 649 */ 650 if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) { 651 if (bootverbose) { 652 xpt_print(periph->path, "no sync rate known\n"); 653 } 654 return (0); 655 } 656 657 /* 658 * We'll assert that we don't have to touch PPR options- the 659 * SIM will see what we do with period and offset and adjust 660 * the PPR options as appropriate. 661 */ 662 663 /* 664 * A sync rate with unknown or zero offset is nonsensical. 665 * A sync period of zero means Async. 666 */ 667 if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0 668 || spi->sync_offset == 0 || spi->sync_period == 0) { 669 if (bootverbose) { 670 xpt_print(periph->path, "no sync rate available\n"); 671 } 672 return (0); 673 } 674 675 if (device->flags & CAM_DEV_DV_HIT_BOTTOM) { 676 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 677 ("hit async: giving up on DV\n")); 678 return (0); 679 } 680 681 682 /* 683 * Jump sync_period up by one, but stop at 5MHz and fall back to Async. 684 * We don't try to remember 'last' settings to see if the SIM actually 685 * gets into the speed we want to set. We check on the SIM telling 686 * us that a requested speed is bad, but otherwise don't try and 687 * check the speed due to the asynchronous and handshake nature 688 * of speed setting. 689 */ 690 spi->valid = CTS_SPI_VALID_SYNC_RATE | CTS_SPI_VALID_SYNC_OFFSET; 691 for (;;) { 692 spi->sync_period++; 693 if (spi->sync_period >= 0xf) { 694 spi->sync_period = 0; 695 spi->sync_offset = 0; 696 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 697 ("setting to async for DV\n")); 698 /* 699 * Once we hit async, we don't want to try 700 * any more settings. 701 */ 702 device->flags |= CAM_DEV_DV_HIT_BOTTOM; 703 } else if (bootverbose) { 704 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 705 ("DV: period 0x%x\n", spi->sync_period)); 706 printf("setting period to 0x%x\n", spi->sync_period); 707 } 708 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 709 cts.type = CTS_TYPE_CURRENT_SETTINGS; 710 xpt_action((union ccb *)&cts); 711 if ((cts.ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 712 break; 713 } 714 CAM_DEBUG(periph->path, CAM_DEBUG_INFO, 715 ("DV: failed to set period 0x%x\n", spi->sync_period)); 716 if (spi->sync_period == 0) { 717 return (0); 718 } 719 } 720 return (1); 721 } 722 #endif 723 static void 724 probedone(struct cam_periph *periph, union ccb *done_ccb) 725 { 726 struct ccb_trans_settings cts; 727 struct ata_params *ident_buf; 728 probe_softc *softc; 729 struct cam_path *path; 730 u_int32_t priority; 731 u_int caps; 732 int found = 1; 733 734 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 735 736 softc = (probe_softc *)periph->softc; 737 path = done_ccb->ccb_h.path; 738 priority = done_ccb->ccb_h.pinfo.priority; 739 ident_buf = &path->device->ident_data; 740 741 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 742 if (softc->restart) { 743 if (bootverbose) { 744 cam_error_print(done_ccb, 745 CAM_ESF_ALL, CAM_EPF_ALL); 746 } 747 } else if (cam_periph_error(done_ccb, 0, 0, NULL) == ERESTART) 748 return; 749 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 750 /* Don't wedge the queue */ 751 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 752 /*run_queue*/TRUE); 753 } 754 if (softc->restart) { 755 softc->faults++; 756 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == 757 CAM_CMD_TIMEOUT) 758 softc->faults += 4; 759 if (softc->faults < 10) 760 goto done; 761 else 762 softc->restart = 0; 763 } else 764 /* Old PIO2 devices may not support mode setting. */ 765 if (softc->action == PROBE_SETMODE && 766 ata_max_pmode(ident_buf) <= ATA_PIO2 && 767 (ident_buf->capabilities1 & ATA_SUPPORT_IORDY) == 0) 768 goto noerror; 769 /* 770 * If we get to this point, we got an error status back 771 * from the inquiry and the error status doesn't require 772 * automatically retrying the command. Therefore, the 773 * inquiry failed. If we had inquiry information before 774 * for this device, but this latest inquiry command failed, 775 * the device has probably gone away. If this device isn't 776 * already marked unconfigured, notify the peripheral 777 * drivers that this device is no more. 778 */ 779 device_fail: if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 780 xpt_async(AC_LOST_DEVICE, path, NULL); 781 found = 0; 782 goto done; 783 } 784 noerror: 785 if (softc->restart) 786 goto done; 787 switch (softc->action) { 788 case PROBE_RESET: 789 { 790 int sign = (done_ccb->ataio.res.lba_high << 8) + 791 done_ccb->ataio.res.lba_mid; 792 if (bootverbose) 793 xpt_print(path, "SIGNATURE: %04x\n", sign); 794 if (sign == 0x0000 && 795 done_ccb->ccb_h.target_id != 15) { 796 path->device->protocol = PROTO_ATA; 797 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 798 } else if (sign == 0x9669 && 799 done_ccb->ccb_h.target_id == 15) { 800 /* Report SIM that PM is present. */ 801 bzero(&cts, sizeof(cts)); 802 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 803 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 804 cts.type = CTS_TYPE_CURRENT_SETTINGS; 805 cts.xport_specific.sata.pm_present = 1; 806 cts.xport_specific.sata.valid = CTS_SATA_VALID_PM; 807 xpt_action((union ccb *)&cts); 808 path->device->protocol = PROTO_SATAPM; 809 PROBE_SET_ACTION(softc, PROBE_PM_PID); 810 } else if (sign == 0xeb14 && 811 done_ccb->ccb_h.target_id != 15) { 812 path->device->protocol = PROTO_SCSI; 813 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 814 } else { 815 if (done_ccb->ccb_h.target_id != 15) { 816 xpt_print(path, 817 "Unexpected signature 0x%04x\n", sign); 818 } 819 goto device_fail; 820 } 821 xpt_release_ccb(done_ccb); 822 xpt_schedule(periph, priority); 823 return; 824 } 825 case PROBE_IDENTIFY: 826 { 827 struct ccb_pathinq cpi; 828 int16_t *ptr; 829 int changed = 1; 830 831 ident_buf = &softc->ident_data; 832 for (ptr = (int16_t *)ident_buf; 833 ptr < (int16_t *)ident_buf + sizeof(struct ata_params)/2; ptr++) { 834 *ptr = le16toh(*ptr); 835 } 836 if (strncmp(ident_buf->model, "FX", 2) && 837 strncmp(ident_buf->model, "NEC", 3) && 838 strncmp(ident_buf->model, "Pioneer", 7) && 839 strncmp(ident_buf->model, "SHARP", 5)) { 840 ata_bswap(ident_buf->model, sizeof(ident_buf->model)); 841 ata_bswap(ident_buf->revision, sizeof(ident_buf->revision)); 842 ata_bswap(ident_buf->serial, sizeof(ident_buf->serial)); 843 } 844 ata_btrim(ident_buf->model, sizeof(ident_buf->model)); 845 ata_bpack(ident_buf->model, ident_buf->model, sizeof(ident_buf->model)); 846 ata_btrim(ident_buf->revision, sizeof(ident_buf->revision)); 847 ata_bpack(ident_buf->revision, ident_buf->revision, sizeof(ident_buf->revision)); 848 ata_btrim(ident_buf->serial, sizeof(ident_buf->serial)); 849 ata_bpack(ident_buf->serial, ident_buf->serial, sizeof(ident_buf->serial)); 850 /* Device may need spin-up before IDENTIFY become valid. */ 851 if ((ident_buf->specconf == 0x37c8 || 852 ident_buf->specconf == 0x738c) && 853 ((ident_buf->config & ATA_RESP_INCOMPLETE) || 854 softc->spinup == 0)) { 855 PROBE_SET_ACTION(softc, PROBE_SPINUP); 856 xpt_release_ccb(done_ccb); 857 xpt_schedule(periph, priority); 858 return; 859 } 860 ident_buf = &path->device->ident_data; 861 if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 862 /* Check that it is the same device. */ 863 if (bcmp(softc->ident_data.model, ident_buf->model, 864 sizeof(ident_buf->model)) || 865 bcmp(softc->ident_data.revision, ident_buf->revision, 866 sizeof(ident_buf->revision)) || 867 bcmp(softc->ident_data.serial, ident_buf->serial, 868 sizeof(ident_buf->serial))) { 869 /* Device changed. */ 870 xpt_async(AC_LOST_DEVICE, path, NULL); 871 } else { 872 bcopy(&softc->ident_data, ident_buf, sizeof(struct ata_params)); 873 changed = 0; 874 } 875 } 876 if (changed) { 877 bcopy(&softc->ident_data, ident_buf, sizeof(struct ata_params)); 878 /* Clean up from previous instance of this device */ 879 if (path->device->serial_num != NULL) { 880 free(path->device->serial_num, M_CAMXPT); 881 path->device->serial_num = NULL; 882 path->device->serial_num_len = 0; 883 } 884 path->device->serial_num = 885 (u_int8_t *)malloc((sizeof(ident_buf->serial) + 1), 886 M_CAMXPT, M_NOWAIT); 887 if (path->device->serial_num != NULL) { 888 bcopy(ident_buf->serial, 889 path->device->serial_num, 890 sizeof(ident_buf->serial)); 891 path->device->serial_num[sizeof(ident_buf->serial)] 892 = '\0'; 893 path->device->serial_num_len = 894 strlen(path->device->serial_num); 895 } 896 897 path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 898 } 899 if (ident_buf->satacapabilities & ATA_SUPPORT_NCQ) { 900 path->device->mintags = path->device->maxtags = 901 ATA_QUEUE_LEN(ident_buf->queue) + 1; 902 } 903 ata_find_quirk(path->device); 904 if (path->device->mintags != 0 && 905 path->bus->sim->max_tagged_dev_openings != 0) { 906 /* Check if the SIM does not want queued commands. */ 907 bzero(&cpi, sizeof(cpi)); 908 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 909 cpi.ccb_h.func_code = XPT_PATH_INQ; 910 xpt_action((union ccb *)&cpi); 911 if (cpi.ccb_h.status == CAM_REQ_CMP && 912 (cpi.hba_inquiry & PI_TAG_ABLE)) { 913 /* Report SIM which tags are allowed. */ 914 bzero(&cts, sizeof(cts)); 915 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 916 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 917 cts.type = CTS_TYPE_CURRENT_SETTINGS; 918 cts.xport_specific.sata.tags = path->device->maxtags; 919 cts.xport_specific.sata.valid = CTS_SATA_VALID_TAGS; 920 xpt_action((union ccb *)&cts); 921 /* Reconfigure queues for tagged queueing. */ 922 xpt_start_tags(path); 923 } 924 } 925 ata_device_transport(path); 926 PROBE_SET_ACTION(softc, PROBE_SETMODE); 927 xpt_release_ccb(done_ccb); 928 xpt_schedule(periph, priority); 929 return; 930 } 931 case PROBE_SPINUP: 932 if (bootverbose) 933 xpt_print(path, "Spin-up done\n"); 934 softc->spinup = 1; 935 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 936 xpt_release_ccb(done_ccb); 937 xpt_schedule(periph, priority); 938 return; 939 case PROBE_SETMODE: 940 if (path->device->transport != XPORT_SATA) 941 goto notsata; 942 /* Set supported bits. */ 943 bzero(&cts, sizeof(cts)); 944 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 945 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 946 cts.type = CTS_TYPE_CURRENT_SETTINGS; 947 xpt_action((union ccb *)&cts); 948 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 949 caps = cts.xport_specific.sata.caps & CTS_SATA_CAPS_H; 950 else 951 caps = 0; 952 if (ident_buf->satacapabilities != 0xffff) { 953 if (ident_buf->satacapabilities & ATA_SUPPORT_IFPWRMNGTRCV) 954 caps |= CTS_SATA_CAPS_D_PMREQ; 955 if (ident_buf->satacapabilities & ATA_SUPPORT_HAPST) 956 caps |= CTS_SATA_CAPS_D_APST; 957 } 958 /* Mask unwanted bits. */ 959 bzero(&cts, sizeof(cts)); 960 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 961 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 962 cts.type = CTS_TYPE_USER_SETTINGS; 963 xpt_action((union ccb *)&cts); 964 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 965 caps &= cts.xport_specific.sata.caps; 966 else 967 caps = 0; 968 /* Store result to SIM. */ 969 bzero(&cts, sizeof(cts)); 970 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 971 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 972 cts.type = CTS_TYPE_CURRENT_SETTINGS; 973 cts.xport_specific.sata.caps = caps; 974 cts.xport_specific.sata.valid = CTS_SATA_VALID_CAPS; 975 xpt_action((union ccb *)&cts); 976 softc->caps = caps; 977 if (ident_buf->satasupport & ATA_SUPPORT_IFPWRMNGT) { 978 PROBE_SET_ACTION(softc, PROBE_SETPM); 979 xpt_release_ccb(done_ccb); 980 xpt_schedule(periph, priority); 981 return; 982 } 983 /* FALLTHROUGH */ 984 case PROBE_SETPM: 985 if (ident_buf->satacapabilities != 0xffff && 986 ident_buf->satacapabilities & ATA_SUPPORT_DAPST) { 987 PROBE_SET_ACTION(softc, PROBE_SETAPST); 988 xpt_release_ccb(done_ccb); 989 xpt_schedule(periph, priority); 990 return; 991 } 992 /* FALLTHROUGH */ 993 case PROBE_SETAPST: 994 if (ident_buf->satasupport & ATA_SUPPORT_AUTOACTIVATE) { 995 PROBE_SET_ACTION(softc, PROBE_SETDMAAA); 996 xpt_release_ccb(done_ccb); 997 xpt_schedule(periph, priority); 998 return; 999 } 1000 /* FALLTHROUGH */ 1001 case PROBE_SETDMAAA: 1002 notsata: 1003 if (path->device->protocol == PROTO_ATA) { 1004 PROBE_SET_ACTION(softc, PROBE_SET_MULTI); 1005 } else { 1006 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 1007 } 1008 xpt_release_ccb(done_ccb); 1009 xpt_schedule(periph, priority); 1010 return; 1011 case PROBE_SET_MULTI: 1012 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1013 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1014 xpt_acquire_device(path->device); 1015 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1016 xpt_action(done_ccb); 1017 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1018 done_ccb); 1019 } 1020 break; 1021 case PROBE_INQUIRY: 1022 case PROBE_FULL_INQUIRY: 1023 { 1024 struct scsi_inquiry_data *inq_buf; 1025 u_int8_t periph_qual, len; 1026 1027 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1028 inq_buf = &path->device->inq_data; 1029 1030 periph_qual = SID_QUAL(inq_buf); 1031 1032 if (periph_qual != SID_QUAL_LU_CONNECTED) 1033 break; 1034 1035 /* 1036 * We conservatively request only 1037 * SHORT_INQUIRY_LEN bytes of inquiry 1038 * information during our first try 1039 * at sending an INQUIRY. If the device 1040 * has more information to give, 1041 * perform a second request specifying 1042 * the amount of information the device 1043 * is willing to give. 1044 */ 1045 len = inq_buf->additional_length 1046 + offsetof(struct scsi_inquiry_data, additional_length) + 1; 1047 if (softc->action == PROBE_INQUIRY 1048 && len > SHORT_INQUIRY_LENGTH) { 1049 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1050 xpt_release_ccb(done_ccb); 1051 xpt_schedule(periph, priority); 1052 return; 1053 } 1054 1055 ata_device_transport(path); 1056 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1057 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1058 xpt_acquire_device(path->device); 1059 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1060 xpt_action(done_ccb); 1061 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, done_ccb); 1062 } 1063 break; 1064 } 1065 case PROBE_PM_PID: 1066 if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) == 0) 1067 bzero(ident_buf, sizeof(*ident_buf)); 1068 softc->pm_pid = (done_ccb->ataio.res.lba_high << 24) + 1069 (done_ccb->ataio.res.lba_mid << 16) + 1070 (done_ccb->ataio.res.lba_low << 8) + 1071 done_ccb->ataio.res.sector_count; 1072 ((uint32_t *)ident_buf)[0] = softc->pm_pid; 1073 snprintf(ident_buf->model, sizeof(ident_buf->model), 1074 "Port Multiplier %08x", softc->pm_pid); 1075 PROBE_SET_ACTION(softc, PROBE_PM_PRV); 1076 xpt_release_ccb(done_ccb); 1077 xpt_schedule(periph, priority); 1078 return; 1079 case PROBE_PM_PRV: 1080 softc->pm_prv = (done_ccb->ataio.res.lba_high << 24) + 1081 (done_ccb->ataio.res.lba_mid << 16) + 1082 (done_ccb->ataio.res.lba_low << 8) + 1083 done_ccb->ataio.res.sector_count; 1084 ((uint32_t *)ident_buf)[1] = softc->pm_prv; 1085 snprintf(ident_buf->revision, sizeof(ident_buf->revision), 1086 "%04x", softc->pm_prv); 1087 path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 1088 /* Set supported bits. */ 1089 bzero(&cts, sizeof(cts)); 1090 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1091 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1092 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1093 xpt_action((union ccb *)&cts); 1094 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1095 caps = cts.xport_specific.sata.caps & CTS_SATA_CAPS_H; 1096 else 1097 caps = 0; 1098 /* All PMPs must support PM requests. */ 1099 caps |= CTS_SATA_CAPS_D_PMREQ; 1100 /* Mask unwanted bits. */ 1101 bzero(&cts, sizeof(cts)); 1102 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1103 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1104 cts.type = CTS_TYPE_USER_SETTINGS; 1105 xpt_action((union ccb *)&cts); 1106 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1107 caps &= cts.xport_specific.sata.caps; 1108 else 1109 caps = 0; 1110 /* Store result to SIM. */ 1111 bzero(&cts, sizeof(cts)); 1112 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1113 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1114 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1115 cts.xport_specific.sata.caps = caps; 1116 cts.xport_specific.sata.valid = CTS_SATA_VALID_CAPS; 1117 xpt_action((union ccb *)&cts); 1118 softc->caps = caps; 1119 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1120 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1121 xpt_acquire_device(path->device); 1122 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1123 xpt_action(done_ccb); 1124 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1125 done_ccb); 1126 } else { 1127 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1128 xpt_action(done_ccb); 1129 xpt_async(AC_SCSI_AEN, done_ccb->ccb_h.path, done_ccb); 1130 } 1131 break; 1132 case PROBE_INVALID: 1133 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_INFO, 1134 ("probedone: invalid action state\n")); 1135 default: 1136 break; 1137 } 1138 done: 1139 if (softc->restart) { 1140 softc->restart = 0; 1141 xpt_release_ccb(done_ccb); 1142 probeschedule(periph); 1143 return; 1144 } 1145 xpt_release_ccb(done_ccb); 1146 while ((done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs))) { 1147 TAILQ_REMOVE(&softc->request_ccbs, 1148 &done_ccb->ccb_h, periph_links.tqe); 1149 done_ccb->ccb_h.status = found ? CAM_REQ_CMP : CAM_REQ_CMP_ERR; 1150 xpt_done(done_ccb); 1151 } 1152 cam_release_devq(periph->path, 1153 RELSIM_RELEASE_RUNLEVEL, 0, CAM_RL_XPT + 1, FALSE); 1154 cam_periph_invalidate(periph); 1155 cam_periph_release_locked(periph); 1156 } 1157 1158 static void 1159 probecleanup(struct cam_periph *periph) 1160 { 1161 free(periph->softc, M_CAMXPT); 1162 } 1163 1164 static void 1165 ata_find_quirk(struct cam_ed *device) 1166 { 1167 struct ata_quirk_entry *quirk; 1168 caddr_t match; 1169 1170 match = cam_quirkmatch((caddr_t)&device->ident_data, 1171 (caddr_t)ata_quirk_table, 1172 ata_quirk_table_size, 1173 sizeof(*ata_quirk_table), ata_identify_match); 1174 1175 if (match == NULL) 1176 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1177 1178 quirk = (struct ata_quirk_entry *)match; 1179 device->quirk = quirk; 1180 if (quirk->quirks & CAM_QUIRK_MAXTAGS) 1181 device->mintags = device->maxtags = quirk->maxtags; 1182 } 1183 1184 typedef struct { 1185 union ccb *request_ccb; 1186 struct ccb_pathinq *cpi; 1187 int counter; 1188 } ata_scan_bus_info; 1189 1190 /* 1191 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1192 * As the scan progresses, xpt_scan_bus is used as the 1193 * callback on completion function. 1194 */ 1195 static void 1196 ata_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1197 { 1198 struct cam_path *path; 1199 ata_scan_bus_info *scan_info; 1200 union ccb *work_ccb, *reset_ccb; 1201 cam_status status; 1202 1203 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1204 ("xpt_scan_bus\n")); 1205 switch (request_ccb->ccb_h.func_code) { 1206 case XPT_SCAN_BUS: 1207 case XPT_SCAN_TGT: 1208 /* Find out the characteristics of the bus */ 1209 work_ccb = xpt_alloc_ccb_nowait(); 1210 if (work_ccb == NULL) { 1211 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1212 xpt_done(request_ccb); 1213 return; 1214 } 1215 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1216 request_ccb->ccb_h.pinfo.priority); 1217 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1218 xpt_action(work_ccb); 1219 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1220 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1221 xpt_free_ccb(work_ccb); 1222 xpt_done(request_ccb); 1223 return; 1224 } 1225 1226 /* We may need to reset bus first, if we haven't done it yet. */ 1227 if ((work_ccb->cpi.hba_inquiry & 1228 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1229 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1230 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset)) { 1231 reset_ccb = xpt_alloc_ccb_nowait(); 1232 if (reset_ccb == NULL) { 1233 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1234 xpt_free_ccb(work_ccb); 1235 xpt_done(request_ccb); 1236 return; 1237 } 1238 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1239 CAM_PRIORITY_NONE); 1240 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1241 xpt_action(reset_ccb); 1242 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1243 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1244 xpt_free_ccb(reset_ccb); 1245 xpt_free_ccb(work_ccb); 1246 xpt_done(request_ccb); 1247 return; 1248 } 1249 xpt_free_ccb(reset_ccb); 1250 } 1251 1252 /* Save some state for use while we probe for devices */ 1253 scan_info = (ata_scan_bus_info *) 1254 malloc(sizeof(ata_scan_bus_info), M_CAMXPT, M_NOWAIT); 1255 if (scan_info == NULL) { 1256 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1257 xpt_free_ccb(work_ccb); 1258 xpt_done(request_ccb); 1259 return; 1260 } 1261 scan_info->request_ccb = request_ccb; 1262 scan_info->cpi = &work_ccb->cpi; 1263 /* If PM supported, probe it first. */ 1264 if (scan_info->cpi->hba_inquiry & PI_SATAPM) 1265 scan_info->counter = scan_info->cpi->max_target; 1266 else 1267 scan_info->counter = 0; 1268 1269 work_ccb = xpt_alloc_ccb_nowait(); 1270 if (work_ccb == NULL) { 1271 free(scan_info, M_CAMXPT); 1272 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1273 xpt_done(request_ccb); 1274 break; 1275 } 1276 goto scan_next; 1277 case XPT_SCAN_LUN: 1278 work_ccb = request_ccb; 1279 /* Reuse the same CCB to query if a device was really found */ 1280 scan_info = (ata_scan_bus_info *)work_ccb->ccb_h.ppriv_ptr0; 1281 /* If there is PMP... */ 1282 if ((scan_info->cpi->hba_inquiry & PI_SATAPM) && 1283 (scan_info->counter == scan_info->cpi->max_target)) { 1284 if (work_ccb->ccb_h.status == CAM_REQ_CMP) { 1285 /* everything else will be probed by it */ 1286 /* Free the current request path- we're done with it. */ 1287 xpt_free_path(work_ccb->ccb_h.path); 1288 goto done; 1289 } else { 1290 struct ccb_trans_settings cts; 1291 1292 /* Report SIM that PM is absent. */ 1293 bzero(&cts, sizeof(cts)); 1294 xpt_setup_ccb(&cts.ccb_h, 1295 work_ccb->ccb_h.path, CAM_PRIORITY_NONE); 1296 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1297 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1298 cts.xport_specific.sata.pm_present = 0; 1299 cts.xport_specific.sata.valid = CTS_SATA_VALID_PM; 1300 xpt_action((union ccb *)&cts); 1301 } 1302 } 1303 /* Free the current request path- we're done with it. */ 1304 xpt_free_path(work_ccb->ccb_h.path); 1305 if (scan_info->counter == 1306 ((scan_info->cpi->hba_inquiry & PI_SATAPM) ? 1307 0 : scan_info->cpi->max_target)) { 1308 done: 1309 xpt_free_ccb(work_ccb); 1310 xpt_free_ccb((union ccb *)scan_info->cpi); 1311 request_ccb = scan_info->request_ccb; 1312 free(scan_info, M_CAMXPT); 1313 request_ccb->ccb_h.status = CAM_REQ_CMP; 1314 xpt_done(request_ccb); 1315 break; 1316 } 1317 /* Take next device. Wrap from max (PMP) to 0. */ 1318 scan_info->counter = (scan_info->counter + 1 ) % 1319 (scan_info->cpi->max_target + 1); 1320 scan_next: 1321 status = xpt_create_path(&path, xpt_periph, 1322 scan_info->request_ccb->ccb_h.path_id, 1323 scan_info->counter, 0); 1324 if (status != CAM_REQ_CMP) { 1325 printf("xpt_scan_bus: xpt_create_path failed" 1326 " with status %#x, bus scan halted\n", 1327 status); 1328 xpt_free_ccb(work_ccb); 1329 xpt_free_ccb((union ccb *)scan_info->cpi); 1330 request_ccb = scan_info->request_ccb; 1331 free(scan_info, M_CAMXPT); 1332 request_ccb->ccb_h.status = status; 1333 xpt_done(request_ccb); 1334 break; 1335 } 1336 xpt_setup_ccb(&work_ccb->ccb_h, path, 1337 scan_info->request_ccb->ccb_h.pinfo.priority); 1338 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1339 work_ccb->ccb_h.cbfcnp = ata_scan_bus; 1340 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 1341 work_ccb->crcn.flags = scan_info->request_ccb->crcn.flags; 1342 xpt_action(work_ccb); 1343 break; 1344 default: 1345 break; 1346 } 1347 } 1348 1349 static void 1350 ata_scan_lun(struct cam_periph *periph, struct cam_path *path, 1351 cam_flags flags, union ccb *request_ccb) 1352 { 1353 struct ccb_pathinq cpi; 1354 cam_status status; 1355 struct cam_path *new_path; 1356 struct cam_periph *old_periph; 1357 1358 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("xpt_scan_lun\n")); 1359 1360 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 1361 cpi.ccb_h.func_code = XPT_PATH_INQ; 1362 xpt_action((union ccb *)&cpi); 1363 1364 if (cpi.ccb_h.status != CAM_REQ_CMP) { 1365 if (request_ccb != NULL) { 1366 request_ccb->ccb_h.status = cpi.ccb_h.status; 1367 xpt_done(request_ccb); 1368 } 1369 return; 1370 } 1371 1372 if (request_ccb == NULL) { 1373 request_ccb = malloc(sizeof(union ccb), M_CAMXPT, M_NOWAIT); 1374 if (request_ccb == NULL) { 1375 xpt_print(path, "xpt_scan_lun: can't allocate CCB, " 1376 "can't continue\n"); 1377 return; 1378 } 1379 new_path = malloc(sizeof(*new_path), M_CAMXPT, M_NOWAIT); 1380 if (new_path == NULL) { 1381 xpt_print(path, "xpt_scan_lun: can't allocate path, " 1382 "can't continue\n"); 1383 free(request_ccb, M_CAMXPT); 1384 return; 1385 } 1386 status = xpt_compile_path(new_path, xpt_periph, 1387 path->bus->path_id, 1388 path->target->target_id, 1389 path->device->lun_id); 1390 1391 if (status != CAM_REQ_CMP) { 1392 xpt_print(path, "xpt_scan_lun: can't compile path, " 1393 "can't continue\n"); 1394 free(request_ccb, M_CAMXPT); 1395 free(new_path, M_CAMXPT); 1396 return; 1397 } 1398 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 1399 request_ccb->ccb_h.cbfcnp = xptscandone; 1400 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1401 request_ccb->crcn.flags = flags; 1402 } 1403 1404 if ((old_periph = cam_periph_find(path, "aprobe")) != NULL) { 1405 probe_softc *softc; 1406 1407 softc = (probe_softc *)old_periph->softc; 1408 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 1409 periph_links.tqe); 1410 softc->restart = 1; 1411 } else { 1412 status = cam_periph_alloc(proberegister, NULL, probecleanup, 1413 probestart, "aprobe", 1414 CAM_PERIPH_BIO, 1415 request_ccb->ccb_h.path, NULL, 0, 1416 request_ccb); 1417 1418 if (status != CAM_REQ_CMP) { 1419 xpt_print(path, "xpt_scan_lun: cam_alloc_periph " 1420 "returned an error, can't continue probe\n"); 1421 request_ccb->ccb_h.status = status; 1422 xpt_done(request_ccb); 1423 } 1424 } 1425 } 1426 1427 static void 1428 xptscandone(struct cam_periph *periph, union ccb *done_ccb) 1429 { 1430 xpt_release_path(done_ccb->ccb_h.path); 1431 free(done_ccb->ccb_h.path, M_CAMXPT); 1432 free(done_ccb, M_CAMXPT); 1433 } 1434 1435 static struct cam_ed * 1436 ata_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 1437 { 1438 struct cam_path path; 1439 struct ata_quirk_entry *quirk; 1440 struct cam_ed *device; 1441 struct cam_ed *cur_device; 1442 1443 device = xpt_alloc_device(bus, target, lun_id); 1444 if (device == NULL) 1445 return (NULL); 1446 1447 /* 1448 * Take the default quirk entry until we have inquiry 1449 * data and can determine a better quirk to use. 1450 */ 1451 quirk = &ata_quirk_table[ata_quirk_table_size - 1]; 1452 device->quirk = (void *)quirk; 1453 device->mintags = 0; 1454 device->maxtags = 0; 1455 bzero(&device->inq_data, sizeof(device->inq_data)); 1456 device->inq_flags = 0; 1457 device->queue_flags = 0; 1458 device->serial_num = NULL; 1459 device->serial_num_len = 0; 1460 1461 /* 1462 * XXX should be limited by number of CCBs this bus can 1463 * do. 1464 */ 1465 bus->sim->max_ccbs += device->ccbq.devq_openings; 1466 /* Insertion sort into our target's device list */ 1467 cur_device = TAILQ_FIRST(&target->ed_entries); 1468 while (cur_device != NULL && cur_device->lun_id < lun_id) 1469 cur_device = TAILQ_NEXT(cur_device, links); 1470 if (cur_device != NULL) { 1471 TAILQ_INSERT_BEFORE(cur_device, device, links); 1472 } else { 1473 TAILQ_INSERT_TAIL(&target->ed_entries, device, links); 1474 } 1475 target->generation++; 1476 if (lun_id != CAM_LUN_WILDCARD) { 1477 xpt_compile_path(&path, 1478 NULL, 1479 bus->path_id, 1480 target->target_id, 1481 lun_id); 1482 ata_device_transport(&path); 1483 xpt_release_path(&path); 1484 } 1485 1486 return (device); 1487 } 1488 1489 static void 1490 ata_device_transport(struct cam_path *path) 1491 { 1492 struct ccb_pathinq cpi; 1493 struct ccb_trans_settings cts; 1494 struct scsi_inquiry_data *inq_buf = NULL; 1495 struct ata_params *ident_buf = NULL; 1496 1497 /* Get transport information from the SIM */ 1498 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 1499 cpi.ccb_h.func_code = XPT_PATH_INQ; 1500 xpt_action((union ccb *)&cpi); 1501 1502 path->device->transport = cpi.transport; 1503 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 1504 inq_buf = &path->device->inq_data; 1505 if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) != 0) 1506 ident_buf = &path->device->ident_data; 1507 if (path->device->protocol == PROTO_ATA) { 1508 path->device->protocol_version = ident_buf ? 1509 ata_version(ident_buf->version_major) : cpi.protocol_version; 1510 } else if (path->device->protocol == PROTO_SCSI) { 1511 path->device->protocol_version = inq_buf ? 1512 SID_ANSI_REV(inq_buf) : cpi.protocol_version; 1513 } 1514 path->device->transport_version = ident_buf ? 1515 ata_version(ident_buf->version_major) : cpi.transport_version; 1516 1517 /* Tell the controller what we think */ 1518 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1519 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1520 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1521 cts.transport = path->device->transport; 1522 cts.transport_version = path->device->transport_version; 1523 cts.protocol = path->device->protocol; 1524 cts.protocol_version = path->device->protocol_version; 1525 cts.proto_specific.valid = 0; 1526 if (ident_buf) { 1527 if (path->device->transport == XPORT_ATA) { 1528 cts.xport_specific.ata.atapi = 1529 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_16) ? 16 : 1530 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_12) ? 12 : 0; 1531 cts.xport_specific.ata.valid = CTS_ATA_VALID_ATAPI; 1532 } else { 1533 cts.xport_specific.sata.atapi = 1534 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_16) ? 16 : 1535 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_12) ? 12 : 0; 1536 cts.xport_specific.sata.valid = CTS_SATA_VALID_ATAPI; 1537 } 1538 } else 1539 cts.xport_specific.valid = 0; 1540 xpt_action((union ccb *)&cts); 1541 } 1542 1543 static void 1544 ata_action(union ccb *start_ccb) 1545 { 1546 1547 switch (start_ccb->ccb_h.func_code) { 1548 case XPT_SET_TRAN_SETTINGS: 1549 { 1550 ata_set_transfer_settings(&start_ccb->cts, 1551 start_ccb->ccb_h.path->device, 1552 /*async_update*/FALSE); 1553 break; 1554 } 1555 case XPT_SCAN_BUS: 1556 case XPT_SCAN_TGT: 1557 ata_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 1558 break; 1559 case XPT_SCAN_LUN: 1560 ata_scan_lun(start_ccb->ccb_h.path->periph, 1561 start_ccb->ccb_h.path, start_ccb->crcn.flags, 1562 start_ccb); 1563 break; 1564 case XPT_GET_TRAN_SETTINGS: 1565 { 1566 struct cam_sim *sim; 1567 1568 sim = start_ccb->ccb_h.path->bus->sim; 1569 (*(sim->sim_action))(sim, start_ccb); 1570 break; 1571 } 1572 case XPT_SCSI_IO: 1573 { 1574 struct cam_ed *device; 1575 u_int maxlen = 0; 1576 1577 device = start_ccb->ccb_h.path->device; 1578 if (device->protocol == PROTO_SCSI && 1579 (device->flags & CAM_DEV_IDENTIFY_DATA_VALID)) { 1580 uint16_t p = 1581 device->ident_data.config & ATA_PROTO_MASK; 1582 1583 maxlen = (p == ATA_PROTO_ATAPI_16) ? 16 : 1584 (p == ATA_PROTO_ATAPI_12) ? 12 : 0; 1585 } 1586 if (start_ccb->csio.cdb_len > maxlen) { 1587 start_ccb->ccb_h.status = CAM_REQ_INVALID; 1588 xpt_done(start_ccb); 1589 break; 1590 } 1591 /* FALLTHROUGH */ 1592 } 1593 default: 1594 xpt_action_default(start_ccb); 1595 break; 1596 } 1597 } 1598 1599 static void 1600 ata_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_ed *device, 1601 int async_update) 1602 { 1603 struct ccb_pathinq cpi; 1604 struct ccb_trans_settings cur_cts; 1605 struct ccb_trans_settings_scsi *scsi; 1606 struct ccb_trans_settings_scsi *cur_scsi; 1607 struct cam_sim *sim; 1608 struct scsi_inquiry_data *inq_data; 1609 1610 if (device == NULL) { 1611 cts->ccb_h.status = CAM_PATH_INVALID; 1612 xpt_done((union ccb *)cts); 1613 return; 1614 } 1615 1616 if (cts->protocol == PROTO_UNKNOWN 1617 || cts->protocol == PROTO_UNSPECIFIED) { 1618 cts->protocol = device->protocol; 1619 cts->protocol_version = device->protocol_version; 1620 } 1621 1622 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 1623 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 1624 cts->protocol_version = device->protocol_version; 1625 1626 if (cts->protocol != device->protocol) { 1627 xpt_print(cts->ccb_h.path, "Uninitialized Protocol %x:%x?\n", 1628 cts->protocol, device->protocol); 1629 cts->protocol = device->protocol; 1630 } 1631 1632 if (cts->protocol_version > device->protocol_version) { 1633 if (bootverbose) { 1634 xpt_print(cts->ccb_h.path, "Down reving Protocol " 1635 "Version from %d to %d?\n", cts->protocol_version, 1636 device->protocol_version); 1637 } 1638 cts->protocol_version = device->protocol_version; 1639 } 1640 1641 if (cts->transport == XPORT_UNKNOWN 1642 || cts->transport == XPORT_UNSPECIFIED) { 1643 cts->transport = device->transport; 1644 cts->transport_version = device->transport_version; 1645 } 1646 1647 if (cts->transport_version == XPORT_VERSION_UNKNOWN 1648 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 1649 cts->transport_version = device->transport_version; 1650 1651 if (cts->transport != device->transport) { 1652 xpt_print(cts->ccb_h.path, "Uninitialized Transport %x:%x?\n", 1653 cts->transport, device->transport); 1654 cts->transport = device->transport; 1655 } 1656 1657 if (cts->transport_version > device->transport_version) { 1658 if (bootverbose) { 1659 xpt_print(cts->ccb_h.path, "Down reving Transport " 1660 "Version from %d to %d?\n", cts->transport_version, 1661 device->transport_version); 1662 } 1663 cts->transport_version = device->transport_version; 1664 } 1665 1666 sim = cts->ccb_h.path->bus->sim; 1667 1668 /* 1669 * Nothing more of interest to do unless 1670 * this is a device connected via the 1671 * SCSI protocol. 1672 */ 1673 if (cts->protocol != PROTO_SCSI) { 1674 if (async_update == FALSE) 1675 (*(sim->sim_action))(sim, (union ccb *)cts); 1676 return; 1677 } 1678 1679 inq_data = &device->inq_data; 1680 scsi = &cts->proto_specific.scsi; 1681 xpt_setup_ccb(&cpi.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 1682 cpi.ccb_h.func_code = XPT_PATH_INQ; 1683 xpt_action((union ccb *)&cpi); 1684 1685 /* SCSI specific sanity checking */ 1686 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 1687 || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 1688 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 1689 || (device->mintags == 0)) { 1690 /* 1691 * Can't tag on hardware that doesn't support tags, 1692 * doesn't have it enabled, or has broken tag support. 1693 */ 1694 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1695 } 1696 1697 if (async_update == FALSE) { 1698 /* 1699 * Perform sanity checking against what the 1700 * controller and device can do. 1701 */ 1702 xpt_setup_ccb(&cur_cts.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 1703 cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1704 cur_cts.type = cts->type; 1705 xpt_action((union ccb *)&cur_cts); 1706 if ((cur_cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1707 return; 1708 } 1709 cur_scsi = &cur_cts.proto_specific.scsi; 1710 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 1711 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1712 scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 1713 } 1714 if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 1715 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1716 } 1717 1718 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 1719 && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 1720 int device_tagenb; 1721 1722 /* 1723 * If we are transitioning from tags to no-tags or 1724 * vice-versa, we need to carefully freeze and restart 1725 * the queue so that we don't overlap tagged and non-tagged 1726 * commands. We also temporarily stop tags if there is 1727 * a change in transfer negotiation settings to allow 1728 * "tag-less" negotiation. 1729 */ 1730 if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 1731 || (device->inq_flags & SID_CmdQue) != 0) 1732 device_tagenb = TRUE; 1733 else 1734 device_tagenb = FALSE; 1735 1736 if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 1737 && device_tagenb == FALSE) 1738 || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 1739 && device_tagenb == TRUE)) { 1740 1741 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 1742 /* 1743 * Delay change to use tags until after a 1744 * few commands have gone to this device so 1745 * the controller has time to perform transfer 1746 * negotiations without tagged messages getting 1747 * in the way. 1748 */ 1749 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 1750 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 1751 } else { 1752 xpt_stop_tags(cts->ccb_h.path); 1753 } 1754 } 1755 } 1756 if (async_update == FALSE) 1757 (*(sim->sim_action))(sim, (union ccb *)cts); 1758 } 1759 1760 /* 1761 * Handle any per-device event notifications that require action by the XPT. 1762 */ 1763 static void 1764 ata_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 1765 struct cam_ed *device, void *async_arg) 1766 { 1767 cam_status status; 1768 struct cam_path newpath; 1769 1770 /* 1771 * We only need to handle events for real devices. 1772 */ 1773 if (target->target_id == CAM_TARGET_WILDCARD 1774 || device->lun_id == CAM_LUN_WILDCARD) 1775 return; 1776 1777 /* 1778 * We need our own path with wildcards expanded to 1779 * handle certain types of events. 1780 */ 1781 if ((async_code == AC_SENT_BDR) 1782 || (async_code == AC_BUS_RESET) 1783 || (async_code == AC_INQ_CHANGED)) 1784 status = xpt_compile_path(&newpath, NULL, 1785 bus->path_id, 1786 target->target_id, 1787 device->lun_id); 1788 else 1789 status = CAM_REQ_CMP_ERR; 1790 1791 if (status == CAM_REQ_CMP) { 1792 if (async_code == AC_INQ_CHANGED) { 1793 /* 1794 * We've sent a start unit command, or 1795 * something similar to a device that 1796 * may have caused its inquiry data to 1797 * change. So we re-scan the device to 1798 * refresh the inquiry data for it. 1799 */ 1800 ata_scan_lun(newpath.periph, &newpath, 1801 CAM_EXPECT_INQ_CHANGE, NULL); 1802 } else { 1803 /* We need to reinitialize device after reset. */ 1804 ata_scan_lun(newpath.periph, &newpath, 1805 0, NULL); 1806 } 1807 xpt_release_path(&newpath); 1808 } else if (async_code == AC_LOST_DEVICE && 1809 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 1810 device->flags |= CAM_DEV_UNCONFIGURED; 1811 xpt_release_device(device); 1812 } else if (async_code == AC_TRANSFER_NEG) { 1813 struct ccb_trans_settings *settings; 1814 1815 settings = (struct ccb_trans_settings *)async_arg; 1816 ata_set_transfer_settings(settings, device, 1817 /*async_update*/TRUE); 1818 } 1819 } 1820 1821 static void 1822 ata_announce_periph(struct cam_periph *periph) 1823 { 1824 struct ccb_pathinq cpi; 1825 struct ccb_trans_settings cts; 1826 struct cam_path *path = periph->path; 1827 u_int speed; 1828 u_int mb; 1829 1830 mtx_assert(periph->sim->mtx, MA_OWNED); 1831 1832 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 1833 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1834 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1835 xpt_action((union ccb*)&cts); 1836 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 1837 return; 1838 /* Ask the SIM for its base transfer speed */ 1839 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 1840 cpi.ccb_h.func_code = XPT_PATH_INQ; 1841 xpt_action((union ccb *)&cpi); 1842 /* Report connection speed */ 1843 speed = cpi.base_transfer_speed; 1844 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_ATA) { 1845 struct ccb_trans_settings_ata *ata = 1846 &cts.xport_specific.ata; 1847 1848 if (ata->valid & CTS_ATA_VALID_MODE) 1849 speed = ata_mode2speed(ata->mode); 1850 } 1851 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SATA) { 1852 struct ccb_trans_settings_sata *sata = 1853 &cts.xport_specific.sata; 1854 1855 if (sata->valid & CTS_SATA_VALID_REVISION) 1856 speed = ata_revision2speed(sata->revision); 1857 } 1858 mb = speed / 1000; 1859 if (mb > 0) 1860 printf("%s%d: %d.%03dMB/s transfers", 1861 periph->periph_name, periph->unit_number, 1862 mb, speed % 1000); 1863 else 1864 printf("%s%d: %dKB/s transfers", periph->periph_name, 1865 periph->unit_number, speed); 1866 /* Report additional information about connection */ 1867 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_ATA) { 1868 struct ccb_trans_settings_ata *ata = 1869 &cts.xport_specific.ata; 1870 1871 printf(" ("); 1872 if (ata->valid & CTS_ATA_VALID_MODE) 1873 printf("%s, ", ata_mode2string(ata->mode)); 1874 if ((ata->valid & CTS_ATA_VALID_ATAPI) && ata->atapi != 0) 1875 printf("ATAPI %dbytes, ", ata->atapi); 1876 if (ata->valid & CTS_ATA_VALID_BYTECOUNT) 1877 printf("PIO %dbytes", ata->bytecount); 1878 printf(")"); 1879 } 1880 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SATA) { 1881 struct ccb_trans_settings_sata *sata = 1882 &cts.xport_specific.sata; 1883 1884 printf(" ("); 1885 if (sata->valid & CTS_SATA_VALID_REVISION) 1886 printf("SATA %d.x, ", sata->revision); 1887 else 1888 printf("SATA, "); 1889 if (sata->valid & CTS_SATA_VALID_MODE) 1890 printf("%s, ", ata_mode2string(sata->mode)); 1891 if ((sata->valid & CTS_ATA_VALID_ATAPI) && sata->atapi != 0) 1892 printf("ATAPI %dbytes, ", sata->atapi); 1893 if (sata->valid & CTS_SATA_VALID_BYTECOUNT) 1894 printf("PIO %dbytes", sata->bytecount); 1895 printf(")"); 1896 } 1897 printf("\n"); 1898 } 1899 1900