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 /* Store result to SIM. */ 967 bzero(&cts, sizeof(cts)); 968 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 969 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 970 cts.type = CTS_TYPE_CURRENT_SETTINGS; 971 cts.xport_specific.sata.caps = caps; 972 cts.xport_specific.sata.valid = CTS_SATA_VALID_CAPS; 973 xpt_action((union ccb *)&cts); 974 softc->caps = caps; 975 if (ident_buf->satasupport & ATA_SUPPORT_IFPWRMNGT) { 976 PROBE_SET_ACTION(softc, PROBE_SETPM); 977 xpt_release_ccb(done_ccb); 978 xpt_schedule(periph, priority); 979 return; 980 } 981 /* FALLTHROUGH */ 982 case PROBE_SETPM: 983 if (ident_buf->satacapabilities != 0xffff && 984 ident_buf->satacapabilities & ATA_SUPPORT_DAPST) { 985 PROBE_SET_ACTION(softc, PROBE_SETAPST); 986 xpt_release_ccb(done_ccb); 987 xpt_schedule(periph, priority); 988 return; 989 } 990 /* FALLTHROUGH */ 991 case PROBE_SETAPST: 992 if (ident_buf->satasupport & ATA_SUPPORT_AUTOACTIVATE) { 993 PROBE_SET_ACTION(softc, PROBE_SETDMAAA); 994 xpt_release_ccb(done_ccb); 995 xpt_schedule(periph, priority); 996 return; 997 } 998 /* FALLTHROUGH */ 999 case PROBE_SETDMAAA: 1000 notsata: 1001 if (path->device->protocol == PROTO_ATA) { 1002 PROBE_SET_ACTION(softc, PROBE_SET_MULTI); 1003 } else { 1004 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 1005 } 1006 xpt_release_ccb(done_ccb); 1007 xpt_schedule(periph, priority); 1008 return; 1009 case PROBE_SET_MULTI: 1010 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1011 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1012 xpt_acquire_device(path->device); 1013 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1014 xpt_action(done_ccb); 1015 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1016 done_ccb); 1017 } 1018 break; 1019 case PROBE_INQUIRY: 1020 case PROBE_FULL_INQUIRY: 1021 { 1022 struct scsi_inquiry_data *inq_buf; 1023 u_int8_t periph_qual, len; 1024 1025 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1026 inq_buf = &path->device->inq_data; 1027 1028 periph_qual = SID_QUAL(inq_buf); 1029 1030 if (periph_qual != SID_QUAL_LU_CONNECTED) 1031 break; 1032 1033 /* 1034 * We conservatively request only 1035 * SHORT_INQUIRY_LEN bytes of inquiry 1036 * information during our first try 1037 * at sending an INQUIRY. If the device 1038 * has more information to give, 1039 * perform a second request specifying 1040 * the amount of information the device 1041 * is willing to give. 1042 */ 1043 len = inq_buf->additional_length 1044 + offsetof(struct scsi_inquiry_data, additional_length) + 1; 1045 if (softc->action == PROBE_INQUIRY 1046 && len > SHORT_INQUIRY_LENGTH) { 1047 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1048 xpt_release_ccb(done_ccb); 1049 xpt_schedule(periph, priority); 1050 return; 1051 } 1052 1053 ata_device_transport(path); 1054 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1055 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1056 xpt_acquire_device(path->device); 1057 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1058 xpt_action(done_ccb); 1059 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, done_ccb); 1060 } 1061 break; 1062 } 1063 case PROBE_PM_PID: 1064 if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) == 0) 1065 bzero(ident_buf, sizeof(*ident_buf)); 1066 softc->pm_pid = (done_ccb->ataio.res.lba_high << 24) + 1067 (done_ccb->ataio.res.lba_mid << 16) + 1068 (done_ccb->ataio.res.lba_low << 8) + 1069 done_ccb->ataio.res.sector_count; 1070 ((uint32_t *)ident_buf)[0] = softc->pm_pid; 1071 snprintf(ident_buf->model, sizeof(ident_buf->model), 1072 "Port Multiplier %08x", softc->pm_pid); 1073 PROBE_SET_ACTION(softc, PROBE_PM_PRV); 1074 xpt_release_ccb(done_ccb); 1075 xpt_schedule(periph, priority); 1076 return; 1077 case PROBE_PM_PRV: 1078 softc->pm_prv = (done_ccb->ataio.res.lba_high << 24) + 1079 (done_ccb->ataio.res.lba_mid << 16) + 1080 (done_ccb->ataio.res.lba_low << 8) + 1081 done_ccb->ataio.res.sector_count; 1082 ((uint32_t *)ident_buf)[1] = softc->pm_prv; 1083 snprintf(ident_buf->revision, sizeof(ident_buf->revision), 1084 "%04x", softc->pm_prv); 1085 path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 1086 /* Set supported bits. */ 1087 bzero(&cts, sizeof(cts)); 1088 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1089 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1090 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1091 xpt_action((union ccb *)&cts); 1092 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1093 caps = cts.xport_specific.sata.caps & CTS_SATA_CAPS_H; 1094 else 1095 caps = 0; 1096 /* All PMPs must support PM requests. */ 1097 caps |= CTS_SATA_CAPS_D_PMREQ; 1098 /* Mask unwanted bits. */ 1099 bzero(&cts, sizeof(cts)); 1100 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1101 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1102 cts.type = CTS_TYPE_USER_SETTINGS; 1103 xpt_action((union ccb *)&cts); 1104 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1105 caps &= cts.xport_specific.sata.caps; 1106 /* Store result to SIM. */ 1107 bzero(&cts, sizeof(cts)); 1108 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1109 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1110 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1111 cts.xport_specific.sata.caps = caps; 1112 cts.xport_specific.sata.valid = CTS_SATA_VALID_CAPS; 1113 xpt_action((union ccb *)&cts); 1114 softc->caps = caps; 1115 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1116 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1117 xpt_acquire_device(path->device); 1118 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1119 xpt_action(done_ccb); 1120 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1121 done_ccb); 1122 } else { 1123 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1124 xpt_action(done_ccb); 1125 xpt_async(AC_SCSI_AEN, done_ccb->ccb_h.path, done_ccb); 1126 } 1127 break; 1128 case PROBE_INVALID: 1129 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_INFO, 1130 ("probedone: invalid action state\n")); 1131 default: 1132 break; 1133 } 1134 done: 1135 if (softc->restart) { 1136 softc->restart = 0; 1137 xpt_release_ccb(done_ccb); 1138 probeschedule(periph); 1139 return; 1140 } 1141 xpt_release_ccb(done_ccb); 1142 while ((done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs))) { 1143 TAILQ_REMOVE(&softc->request_ccbs, 1144 &done_ccb->ccb_h, periph_links.tqe); 1145 done_ccb->ccb_h.status = found ? CAM_REQ_CMP : CAM_REQ_CMP_ERR; 1146 xpt_done(done_ccb); 1147 } 1148 cam_release_devq(periph->path, 1149 RELSIM_RELEASE_RUNLEVEL, 0, CAM_RL_XPT + 1, FALSE); 1150 cam_periph_invalidate(periph); 1151 cam_periph_release_locked(periph); 1152 } 1153 1154 static void 1155 probecleanup(struct cam_periph *periph) 1156 { 1157 free(periph->softc, M_CAMXPT); 1158 } 1159 1160 static void 1161 ata_find_quirk(struct cam_ed *device) 1162 { 1163 struct ata_quirk_entry *quirk; 1164 caddr_t match; 1165 1166 match = cam_quirkmatch((caddr_t)&device->ident_data, 1167 (caddr_t)ata_quirk_table, 1168 ata_quirk_table_size, 1169 sizeof(*ata_quirk_table), ata_identify_match); 1170 1171 if (match == NULL) 1172 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1173 1174 quirk = (struct ata_quirk_entry *)match; 1175 device->quirk = quirk; 1176 if (quirk->quirks & CAM_QUIRK_MAXTAGS) 1177 device->mintags = device->maxtags = quirk->maxtags; 1178 } 1179 1180 typedef struct { 1181 union ccb *request_ccb; 1182 struct ccb_pathinq *cpi; 1183 int counter; 1184 } ata_scan_bus_info; 1185 1186 /* 1187 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1188 * As the scan progresses, xpt_scan_bus is used as the 1189 * callback on completion function. 1190 */ 1191 static void 1192 ata_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1193 { 1194 struct cam_path *path; 1195 ata_scan_bus_info *scan_info; 1196 union ccb *work_ccb, *reset_ccb; 1197 cam_status status; 1198 1199 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1200 ("xpt_scan_bus\n")); 1201 switch (request_ccb->ccb_h.func_code) { 1202 case XPT_SCAN_BUS: 1203 case XPT_SCAN_TGT: 1204 /* Find out the characteristics of the bus */ 1205 work_ccb = xpt_alloc_ccb_nowait(); 1206 if (work_ccb == NULL) { 1207 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1208 xpt_done(request_ccb); 1209 return; 1210 } 1211 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1212 request_ccb->ccb_h.pinfo.priority); 1213 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1214 xpt_action(work_ccb); 1215 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1216 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1217 xpt_free_ccb(work_ccb); 1218 xpt_done(request_ccb); 1219 return; 1220 } 1221 1222 /* We may need to reset bus first, if we haven't done it yet. */ 1223 if ((work_ccb->cpi.hba_inquiry & 1224 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1225 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1226 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset)) { 1227 reset_ccb = xpt_alloc_ccb_nowait(); 1228 if (reset_ccb == NULL) { 1229 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1230 xpt_free_ccb(work_ccb); 1231 xpt_done(request_ccb); 1232 return; 1233 } 1234 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1235 CAM_PRIORITY_NONE); 1236 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1237 xpt_action(reset_ccb); 1238 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1239 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1240 xpt_free_ccb(reset_ccb); 1241 xpt_free_ccb(work_ccb); 1242 xpt_done(request_ccb); 1243 return; 1244 } 1245 xpt_free_ccb(reset_ccb); 1246 } 1247 1248 /* Save some state for use while we probe for devices */ 1249 scan_info = (ata_scan_bus_info *) 1250 malloc(sizeof(ata_scan_bus_info), M_CAMXPT, M_NOWAIT); 1251 if (scan_info == NULL) { 1252 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1253 xpt_free_ccb(work_ccb); 1254 xpt_done(request_ccb); 1255 return; 1256 } 1257 scan_info->request_ccb = request_ccb; 1258 scan_info->cpi = &work_ccb->cpi; 1259 /* If PM supported, probe it first. */ 1260 if (scan_info->cpi->hba_inquiry & PI_SATAPM) 1261 scan_info->counter = scan_info->cpi->max_target; 1262 else 1263 scan_info->counter = 0; 1264 1265 work_ccb = xpt_alloc_ccb_nowait(); 1266 if (work_ccb == NULL) { 1267 free(scan_info, M_CAMXPT); 1268 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1269 xpt_done(request_ccb); 1270 break; 1271 } 1272 goto scan_next; 1273 case XPT_SCAN_LUN: 1274 work_ccb = request_ccb; 1275 /* Reuse the same CCB to query if a device was really found */ 1276 scan_info = (ata_scan_bus_info *)work_ccb->ccb_h.ppriv_ptr0; 1277 /* If there is PMP... */ 1278 if ((scan_info->cpi->hba_inquiry & PI_SATAPM) && 1279 (scan_info->counter == scan_info->cpi->max_target)) { 1280 if (work_ccb->ccb_h.status == CAM_REQ_CMP) { 1281 /* everything else will be probed by it */ 1282 /* Free the current request path- we're done with it. */ 1283 xpt_free_path(work_ccb->ccb_h.path); 1284 goto done; 1285 } else { 1286 struct ccb_trans_settings cts; 1287 1288 /* Report SIM that PM is absent. */ 1289 bzero(&cts, sizeof(cts)); 1290 xpt_setup_ccb(&cts.ccb_h, 1291 work_ccb->ccb_h.path, CAM_PRIORITY_NONE); 1292 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1293 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1294 cts.xport_specific.sata.pm_present = 0; 1295 cts.xport_specific.sata.valid = CTS_SATA_VALID_PM; 1296 xpt_action((union ccb *)&cts); 1297 } 1298 } 1299 /* Free the current request path- we're done with it. */ 1300 xpt_free_path(work_ccb->ccb_h.path); 1301 if (scan_info->counter == 1302 ((scan_info->cpi->hba_inquiry & PI_SATAPM) ? 1303 0 : scan_info->cpi->max_target)) { 1304 done: 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 = CAM_REQ_CMP; 1310 xpt_done(request_ccb); 1311 break; 1312 } 1313 /* Take next device. Wrap from max (PMP) to 0. */ 1314 scan_info->counter = (scan_info->counter + 1 ) % 1315 (scan_info->cpi->max_target + 1); 1316 scan_next: 1317 status = xpt_create_path(&path, xpt_periph, 1318 scan_info->request_ccb->ccb_h.path_id, 1319 scan_info->counter, 0); 1320 if (status != CAM_REQ_CMP) { 1321 printf("xpt_scan_bus: xpt_create_path failed" 1322 " with status %#x, bus scan halted\n", 1323 status); 1324 xpt_free_ccb(work_ccb); 1325 xpt_free_ccb((union ccb *)scan_info->cpi); 1326 request_ccb = scan_info->request_ccb; 1327 free(scan_info, M_CAMXPT); 1328 request_ccb->ccb_h.status = status; 1329 xpt_done(request_ccb); 1330 break; 1331 } 1332 xpt_setup_ccb(&work_ccb->ccb_h, path, 1333 scan_info->request_ccb->ccb_h.pinfo.priority); 1334 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1335 work_ccb->ccb_h.cbfcnp = ata_scan_bus; 1336 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 1337 work_ccb->crcn.flags = scan_info->request_ccb->crcn.flags; 1338 xpt_action(work_ccb); 1339 break; 1340 default: 1341 break; 1342 } 1343 } 1344 1345 static void 1346 ata_scan_lun(struct cam_periph *periph, struct cam_path *path, 1347 cam_flags flags, union ccb *request_ccb) 1348 { 1349 struct ccb_pathinq cpi; 1350 cam_status status; 1351 struct cam_path *new_path; 1352 struct cam_periph *old_periph; 1353 1354 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("xpt_scan_lun\n")); 1355 1356 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 1357 cpi.ccb_h.func_code = XPT_PATH_INQ; 1358 xpt_action((union ccb *)&cpi); 1359 1360 if (cpi.ccb_h.status != CAM_REQ_CMP) { 1361 if (request_ccb != NULL) { 1362 request_ccb->ccb_h.status = cpi.ccb_h.status; 1363 xpt_done(request_ccb); 1364 } 1365 return; 1366 } 1367 1368 if (request_ccb == NULL) { 1369 request_ccb = malloc(sizeof(union ccb), M_CAMXPT, M_NOWAIT); 1370 if (request_ccb == NULL) { 1371 xpt_print(path, "xpt_scan_lun: can't allocate CCB, " 1372 "can't continue\n"); 1373 return; 1374 } 1375 new_path = malloc(sizeof(*new_path), M_CAMXPT, M_NOWAIT); 1376 if (new_path == NULL) { 1377 xpt_print(path, "xpt_scan_lun: can't allocate path, " 1378 "can't continue\n"); 1379 free(request_ccb, M_CAMXPT); 1380 return; 1381 } 1382 status = xpt_compile_path(new_path, xpt_periph, 1383 path->bus->path_id, 1384 path->target->target_id, 1385 path->device->lun_id); 1386 1387 if (status != CAM_REQ_CMP) { 1388 xpt_print(path, "xpt_scan_lun: can't compile path, " 1389 "can't continue\n"); 1390 free(request_ccb, M_CAMXPT); 1391 free(new_path, M_CAMXPT); 1392 return; 1393 } 1394 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 1395 request_ccb->ccb_h.cbfcnp = xptscandone; 1396 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1397 request_ccb->crcn.flags = flags; 1398 } 1399 1400 if ((old_periph = cam_periph_find(path, "aprobe")) != NULL) { 1401 probe_softc *softc; 1402 1403 softc = (probe_softc *)old_periph->softc; 1404 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 1405 periph_links.tqe); 1406 softc->restart = 1; 1407 } else { 1408 status = cam_periph_alloc(proberegister, NULL, probecleanup, 1409 probestart, "aprobe", 1410 CAM_PERIPH_BIO, 1411 request_ccb->ccb_h.path, NULL, 0, 1412 request_ccb); 1413 1414 if (status != CAM_REQ_CMP) { 1415 xpt_print(path, "xpt_scan_lun: cam_alloc_periph " 1416 "returned an error, can't continue probe\n"); 1417 request_ccb->ccb_h.status = status; 1418 xpt_done(request_ccb); 1419 } 1420 } 1421 } 1422 1423 static void 1424 xptscandone(struct cam_periph *periph, union ccb *done_ccb) 1425 { 1426 xpt_release_path(done_ccb->ccb_h.path); 1427 free(done_ccb->ccb_h.path, M_CAMXPT); 1428 free(done_ccb, M_CAMXPT); 1429 } 1430 1431 static struct cam_ed * 1432 ata_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 1433 { 1434 struct cam_path path; 1435 struct ata_quirk_entry *quirk; 1436 struct cam_ed *device; 1437 struct cam_ed *cur_device; 1438 1439 device = xpt_alloc_device(bus, target, lun_id); 1440 if (device == NULL) 1441 return (NULL); 1442 1443 /* 1444 * Take the default quirk entry until we have inquiry 1445 * data and can determine a better quirk to use. 1446 */ 1447 quirk = &ata_quirk_table[ata_quirk_table_size - 1]; 1448 device->quirk = (void *)quirk; 1449 device->mintags = 0; 1450 device->maxtags = 0; 1451 bzero(&device->inq_data, sizeof(device->inq_data)); 1452 device->inq_flags = 0; 1453 device->queue_flags = 0; 1454 device->serial_num = NULL; 1455 device->serial_num_len = 0; 1456 1457 /* 1458 * XXX should be limited by number of CCBs this bus can 1459 * do. 1460 */ 1461 bus->sim->max_ccbs += device->ccbq.devq_openings; 1462 /* Insertion sort into our target's device list */ 1463 cur_device = TAILQ_FIRST(&target->ed_entries); 1464 while (cur_device != NULL && cur_device->lun_id < lun_id) 1465 cur_device = TAILQ_NEXT(cur_device, links); 1466 if (cur_device != NULL) { 1467 TAILQ_INSERT_BEFORE(cur_device, device, links); 1468 } else { 1469 TAILQ_INSERT_TAIL(&target->ed_entries, device, links); 1470 } 1471 target->generation++; 1472 if (lun_id != CAM_LUN_WILDCARD) { 1473 xpt_compile_path(&path, 1474 NULL, 1475 bus->path_id, 1476 target->target_id, 1477 lun_id); 1478 ata_device_transport(&path); 1479 xpt_release_path(&path); 1480 } 1481 1482 return (device); 1483 } 1484 1485 static void 1486 ata_device_transport(struct cam_path *path) 1487 { 1488 struct ccb_pathinq cpi; 1489 struct ccb_trans_settings cts; 1490 struct scsi_inquiry_data *inq_buf = NULL; 1491 struct ata_params *ident_buf = NULL; 1492 1493 /* Get transport information from the SIM */ 1494 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 1495 cpi.ccb_h.func_code = XPT_PATH_INQ; 1496 xpt_action((union ccb *)&cpi); 1497 1498 path->device->transport = cpi.transport; 1499 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 1500 inq_buf = &path->device->inq_data; 1501 if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) != 0) 1502 ident_buf = &path->device->ident_data; 1503 if (path->device->protocol == PROTO_ATA) { 1504 path->device->protocol_version = ident_buf ? 1505 ata_version(ident_buf->version_major) : cpi.protocol_version; 1506 } else if (path->device->protocol == PROTO_SCSI) { 1507 path->device->protocol_version = inq_buf ? 1508 SID_ANSI_REV(inq_buf) : cpi.protocol_version; 1509 } 1510 path->device->transport_version = ident_buf ? 1511 ata_version(ident_buf->version_major) : cpi.transport_version; 1512 1513 /* Tell the controller what we think */ 1514 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1515 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1516 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1517 cts.transport = path->device->transport; 1518 cts.transport_version = path->device->transport_version; 1519 cts.protocol = path->device->protocol; 1520 cts.protocol_version = path->device->protocol_version; 1521 cts.proto_specific.valid = 0; 1522 if (ident_buf) { 1523 if (path->device->transport == XPORT_ATA) { 1524 cts.xport_specific.ata.atapi = 1525 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_16) ? 16 : 1526 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_12) ? 12 : 0; 1527 cts.xport_specific.ata.valid = CTS_ATA_VALID_ATAPI; 1528 } else { 1529 cts.xport_specific.sata.atapi = 1530 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_16) ? 16 : 1531 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_12) ? 12 : 0; 1532 cts.xport_specific.sata.valid = CTS_SATA_VALID_ATAPI; 1533 } 1534 } else 1535 cts.xport_specific.valid = 0; 1536 xpt_action((union ccb *)&cts); 1537 } 1538 1539 static void 1540 ata_action(union ccb *start_ccb) 1541 { 1542 1543 switch (start_ccb->ccb_h.func_code) { 1544 case XPT_SET_TRAN_SETTINGS: 1545 { 1546 ata_set_transfer_settings(&start_ccb->cts, 1547 start_ccb->ccb_h.path->device, 1548 /*async_update*/FALSE); 1549 break; 1550 } 1551 case XPT_SCAN_BUS: 1552 case XPT_SCAN_TGT: 1553 ata_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 1554 break; 1555 case XPT_SCAN_LUN: 1556 ata_scan_lun(start_ccb->ccb_h.path->periph, 1557 start_ccb->ccb_h.path, start_ccb->crcn.flags, 1558 start_ccb); 1559 break; 1560 case XPT_GET_TRAN_SETTINGS: 1561 { 1562 struct cam_sim *sim; 1563 1564 sim = start_ccb->ccb_h.path->bus->sim; 1565 (*(sim->sim_action))(sim, start_ccb); 1566 break; 1567 } 1568 case XPT_SCSI_IO: 1569 { 1570 struct cam_ed *device; 1571 u_int maxlen = 0; 1572 1573 device = start_ccb->ccb_h.path->device; 1574 if (device->protocol == PROTO_SCSI && 1575 (device->flags & CAM_DEV_IDENTIFY_DATA_VALID)) { 1576 uint16_t p = 1577 device->ident_data.config & ATA_PROTO_MASK; 1578 1579 maxlen = (p == ATA_PROTO_ATAPI_16) ? 16 : 1580 (p == ATA_PROTO_ATAPI_12) ? 12 : 0; 1581 } 1582 if (start_ccb->csio.cdb_len > maxlen) { 1583 start_ccb->ccb_h.status = CAM_REQ_INVALID; 1584 xpt_done(start_ccb); 1585 break; 1586 } 1587 /* FALLTHROUGH */ 1588 } 1589 default: 1590 xpt_action_default(start_ccb); 1591 break; 1592 } 1593 } 1594 1595 static void 1596 ata_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_ed *device, 1597 int async_update) 1598 { 1599 struct ccb_pathinq cpi; 1600 struct ccb_trans_settings cur_cts; 1601 struct ccb_trans_settings_scsi *scsi; 1602 struct ccb_trans_settings_scsi *cur_scsi; 1603 struct cam_sim *sim; 1604 struct scsi_inquiry_data *inq_data; 1605 1606 if (device == NULL) { 1607 cts->ccb_h.status = CAM_PATH_INVALID; 1608 xpt_done((union ccb *)cts); 1609 return; 1610 } 1611 1612 if (cts->protocol == PROTO_UNKNOWN 1613 || cts->protocol == PROTO_UNSPECIFIED) { 1614 cts->protocol = device->protocol; 1615 cts->protocol_version = device->protocol_version; 1616 } 1617 1618 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 1619 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 1620 cts->protocol_version = device->protocol_version; 1621 1622 if (cts->protocol != device->protocol) { 1623 xpt_print(cts->ccb_h.path, "Uninitialized Protocol %x:%x?\n", 1624 cts->protocol, device->protocol); 1625 cts->protocol = device->protocol; 1626 } 1627 1628 if (cts->protocol_version > device->protocol_version) { 1629 if (bootverbose) { 1630 xpt_print(cts->ccb_h.path, "Down reving Protocol " 1631 "Version from %d to %d?\n", cts->protocol_version, 1632 device->protocol_version); 1633 } 1634 cts->protocol_version = device->protocol_version; 1635 } 1636 1637 if (cts->transport == XPORT_UNKNOWN 1638 || cts->transport == XPORT_UNSPECIFIED) { 1639 cts->transport = device->transport; 1640 cts->transport_version = device->transport_version; 1641 } 1642 1643 if (cts->transport_version == XPORT_VERSION_UNKNOWN 1644 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 1645 cts->transport_version = device->transport_version; 1646 1647 if (cts->transport != device->transport) { 1648 xpt_print(cts->ccb_h.path, "Uninitialized Transport %x:%x?\n", 1649 cts->transport, device->transport); 1650 cts->transport = device->transport; 1651 } 1652 1653 if (cts->transport_version > device->transport_version) { 1654 if (bootverbose) { 1655 xpt_print(cts->ccb_h.path, "Down reving Transport " 1656 "Version from %d to %d?\n", cts->transport_version, 1657 device->transport_version); 1658 } 1659 cts->transport_version = device->transport_version; 1660 } 1661 1662 sim = cts->ccb_h.path->bus->sim; 1663 1664 /* 1665 * Nothing more of interest to do unless 1666 * this is a device connected via the 1667 * SCSI protocol. 1668 */ 1669 if (cts->protocol != PROTO_SCSI) { 1670 if (async_update == FALSE) 1671 (*(sim->sim_action))(sim, (union ccb *)cts); 1672 return; 1673 } 1674 1675 inq_data = &device->inq_data; 1676 scsi = &cts->proto_specific.scsi; 1677 xpt_setup_ccb(&cpi.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 1678 cpi.ccb_h.func_code = XPT_PATH_INQ; 1679 xpt_action((union ccb *)&cpi); 1680 1681 /* SCSI specific sanity checking */ 1682 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 1683 || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 1684 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 1685 || (device->mintags == 0)) { 1686 /* 1687 * Can't tag on hardware that doesn't support tags, 1688 * doesn't have it enabled, or has broken tag support. 1689 */ 1690 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1691 } 1692 1693 if (async_update == FALSE) { 1694 /* 1695 * Perform sanity checking against what the 1696 * controller and device can do. 1697 */ 1698 xpt_setup_ccb(&cur_cts.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 1699 cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1700 cur_cts.type = cts->type; 1701 xpt_action((union ccb *)&cur_cts); 1702 if ((cur_cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1703 return; 1704 } 1705 cur_scsi = &cur_cts.proto_specific.scsi; 1706 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 1707 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1708 scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 1709 } 1710 if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 1711 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1712 } 1713 1714 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 1715 && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 1716 int device_tagenb; 1717 1718 /* 1719 * If we are transitioning from tags to no-tags or 1720 * vice-versa, we need to carefully freeze and restart 1721 * the queue so that we don't overlap tagged and non-tagged 1722 * commands. We also temporarily stop tags if there is 1723 * a change in transfer negotiation settings to allow 1724 * "tag-less" negotiation. 1725 */ 1726 if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 1727 || (device->inq_flags & SID_CmdQue) != 0) 1728 device_tagenb = TRUE; 1729 else 1730 device_tagenb = FALSE; 1731 1732 if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 1733 && device_tagenb == FALSE) 1734 || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 1735 && device_tagenb == TRUE)) { 1736 1737 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 1738 /* 1739 * Delay change to use tags until after a 1740 * few commands have gone to this device so 1741 * the controller has time to perform transfer 1742 * negotiations without tagged messages getting 1743 * in the way. 1744 */ 1745 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 1746 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 1747 } else { 1748 xpt_stop_tags(cts->ccb_h.path); 1749 } 1750 } 1751 } 1752 if (async_update == FALSE) 1753 (*(sim->sim_action))(sim, (union ccb *)cts); 1754 } 1755 1756 /* 1757 * Handle any per-device event notifications that require action by the XPT. 1758 */ 1759 static void 1760 ata_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 1761 struct cam_ed *device, void *async_arg) 1762 { 1763 cam_status status; 1764 struct cam_path newpath; 1765 1766 /* 1767 * We only need to handle events for real devices. 1768 */ 1769 if (target->target_id == CAM_TARGET_WILDCARD 1770 || device->lun_id == CAM_LUN_WILDCARD) 1771 return; 1772 1773 /* 1774 * We need our own path with wildcards expanded to 1775 * handle certain types of events. 1776 */ 1777 if ((async_code == AC_SENT_BDR) 1778 || (async_code == AC_BUS_RESET) 1779 || (async_code == AC_INQ_CHANGED)) 1780 status = xpt_compile_path(&newpath, NULL, 1781 bus->path_id, 1782 target->target_id, 1783 device->lun_id); 1784 else 1785 status = CAM_REQ_CMP_ERR; 1786 1787 if (status == CAM_REQ_CMP) { 1788 if (async_code == AC_INQ_CHANGED) { 1789 /* 1790 * We've sent a start unit command, or 1791 * something similar to a device that 1792 * may have caused its inquiry data to 1793 * change. So we re-scan the device to 1794 * refresh the inquiry data for it. 1795 */ 1796 ata_scan_lun(newpath.periph, &newpath, 1797 CAM_EXPECT_INQ_CHANGE, NULL); 1798 } else { 1799 /* We need to reinitialize device after reset. */ 1800 ata_scan_lun(newpath.periph, &newpath, 1801 0, NULL); 1802 } 1803 xpt_release_path(&newpath); 1804 } else if (async_code == AC_LOST_DEVICE && 1805 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 1806 device->flags |= CAM_DEV_UNCONFIGURED; 1807 xpt_release_device(device); 1808 } else if (async_code == AC_TRANSFER_NEG) { 1809 struct ccb_trans_settings *settings; 1810 1811 settings = (struct ccb_trans_settings *)async_arg; 1812 ata_set_transfer_settings(settings, device, 1813 /*async_update*/TRUE); 1814 } 1815 } 1816 1817 static void 1818 ata_announce_periph(struct cam_periph *periph) 1819 { 1820 struct ccb_pathinq cpi; 1821 struct ccb_trans_settings cts; 1822 struct cam_path *path = periph->path; 1823 u_int speed; 1824 u_int mb; 1825 1826 mtx_assert(periph->sim->mtx, MA_OWNED); 1827 1828 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 1829 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1830 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1831 xpt_action((union ccb*)&cts); 1832 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 1833 return; 1834 /* Ask the SIM for its base transfer speed */ 1835 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 1836 cpi.ccb_h.func_code = XPT_PATH_INQ; 1837 xpt_action((union ccb *)&cpi); 1838 /* Report connection speed */ 1839 speed = cpi.base_transfer_speed; 1840 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_ATA) { 1841 struct ccb_trans_settings_ata *ata = 1842 &cts.xport_specific.ata; 1843 1844 if (ata->valid & CTS_ATA_VALID_MODE) 1845 speed = ata_mode2speed(ata->mode); 1846 } 1847 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SATA) { 1848 struct ccb_trans_settings_sata *sata = 1849 &cts.xport_specific.sata; 1850 1851 if (sata->valid & CTS_SATA_VALID_REVISION) 1852 speed = ata_revision2speed(sata->revision); 1853 } 1854 mb = speed / 1000; 1855 if (mb > 0) 1856 printf("%s%d: %d.%03dMB/s transfers", 1857 periph->periph_name, periph->unit_number, 1858 mb, speed % 1000); 1859 else 1860 printf("%s%d: %dKB/s transfers", periph->periph_name, 1861 periph->unit_number, speed); 1862 /* Report additional information about connection */ 1863 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_ATA) { 1864 struct ccb_trans_settings_ata *ata = 1865 &cts.xport_specific.ata; 1866 1867 printf(" ("); 1868 if (ata->valid & CTS_ATA_VALID_MODE) 1869 printf("%s, ", ata_mode2string(ata->mode)); 1870 if ((ata->valid & CTS_ATA_VALID_ATAPI) && ata->atapi != 0) 1871 printf("ATAPI %dbytes, ", ata->atapi); 1872 if (ata->valid & CTS_ATA_VALID_BYTECOUNT) 1873 printf("PIO %dbytes", ata->bytecount); 1874 printf(")"); 1875 } 1876 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SATA) { 1877 struct ccb_trans_settings_sata *sata = 1878 &cts.xport_specific.sata; 1879 1880 printf(" ("); 1881 if (sata->valid & CTS_SATA_VALID_REVISION) 1882 printf("SATA %d.x, ", sata->revision); 1883 else 1884 printf("SATA, "); 1885 if (sata->valid & CTS_SATA_VALID_MODE) 1886 printf("%s, ", ata_mode2string(sata->mode)); 1887 if ((sata->valid & CTS_ATA_VALID_ATAPI) && sata->atapi != 0) 1888 printf("ATAPI %dbytes, ", sata->atapi); 1889 if (sata->valid & CTS_SATA_VALID_BYTECOUNT) 1890 printf("PIO %dbytes", sata->bytecount); 1891 printf(")"); 1892 } 1893 printf("\n"); 1894 } 1895 1896