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 cam_status status; 731 u_int32_t priority; 732 u_int caps; 733 int found = 1; 734 735 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 736 737 softc = (probe_softc *)periph->softc; 738 path = done_ccb->ccb_h.path; 739 priority = done_ccb->ccb_h.pinfo.priority; 740 ident_buf = &path->device->ident_data; 741 742 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 743 if (softc->restart) { 744 if (bootverbose) { 745 cam_error_print(done_ccb, 746 CAM_ESF_ALL, CAM_EPF_ALL); 747 } 748 } else if (cam_periph_error(done_ccb, 0, 0, NULL) == ERESTART) 749 return; 750 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 751 /* Don't wedge the queue */ 752 xpt_release_devq(done_ccb->ccb_h.path, /*count*/1, 753 /*run_queue*/TRUE); 754 } 755 status = done_ccb->ccb_h.status & CAM_STATUS_MASK; 756 if (softc->restart) { 757 softc->faults++; 758 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == 759 CAM_CMD_TIMEOUT) 760 softc->faults += 4; 761 if (softc->faults < 10) 762 goto done; 763 else 764 softc->restart = 0; 765 766 /* Old PIO2 devices may not support mode setting. */ 767 } else if (softc->action == PROBE_SETMODE && 768 status == CAM_ATA_STATUS_ERROR && 769 ata_max_pmode(ident_buf) <= ATA_PIO2 && 770 (ident_buf->capabilities1 & ATA_SUPPORT_IORDY) == 0) { 771 goto noerror; 772 773 /* 774 * Some old WD SATA disks report supported and enabled 775 * device-initiated interface power management, but return 776 * ABORT on attempt to disable it. 777 */ 778 } else if (softc->action == PROBE_SETPM && 779 status == CAM_ATA_STATUS_ERROR) { 780 goto noerror; 781 782 /* 783 * Some HP SATA disks report supported DMA Auto-Activation, 784 * but return ABORT on attempt to enable it. 785 */ 786 } else if (softc->action == PROBE_SETDMAAA && 787 status == CAM_ATA_STATUS_ERROR) { 788 goto noerror; 789 } 790 791 /* 792 * If we get to this point, we got an error status back 793 * from the inquiry and the error status doesn't require 794 * automatically retrying the command. Therefore, the 795 * inquiry failed. If we had inquiry information before 796 * for this device, but this latest inquiry command failed, 797 * the device has probably gone away. If this device isn't 798 * already marked unconfigured, notify the peripheral 799 * drivers that this device is no more. 800 */ 801 device_fail: if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 802 xpt_async(AC_LOST_DEVICE, path, NULL); 803 found = 0; 804 goto done; 805 } 806 noerror: 807 if (softc->restart) 808 goto done; 809 switch (softc->action) { 810 case PROBE_RESET: 811 { 812 int sign = (done_ccb->ataio.res.lba_high << 8) + 813 done_ccb->ataio.res.lba_mid; 814 if (bootverbose) 815 xpt_print(path, "SIGNATURE: %04x\n", sign); 816 if (sign == 0x0000 && 817 done_ccb->ccb_h.target_id != 15) { 818 path->device->protocol = PROTO_ATA; 819 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 820 } else if (sign == 0x9669 && 821 done_ccb->ccb_h.target_id == 15) { 822 /* Report SIM that PM is present. */ 823 bzero(&cts, sizeof(cts)); 824 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 825 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 826 cts.type = CTS_TYPE_CURRENT_SETTINGS; 827 cts.xport_specific.sata.pm_present = 1; 828 cts.xport_specific.sata.valid = CTS_SATA_VALID_PM; 829 xpt_action((union ccb *)&cts); 830 path->device->protocol = PROTO_SATAPM; 831 PROBE_SET_ACTION(softc, PROBE_PM_PID); 832 } else if (sign == 0xeb14 && 833 done_ccb->ccb_h.target_id != 15) { 834 path->device->protocol = PROTO_SCSI; 835 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 836 } else { 837 if (done_ccb->ccb_h.target_id != 15) { 838 xpt_print(path, 839 "Unexpected signature 0x%04x\n", sign); 840 } 841 goto device_fail; 842 } 843 xpt_release_ccb(done_ccb); 844 xpt_schedule(periph, priority); 845 return; 846 } 847 case PROBE_IDENTIFY: 848 { 849 struct ccb_pathinq cpi; 850 int16_t *ptr; 851 int changed = 1; 852 853 ident_buf = &softc->ident_data; 854 for (ptr = (int16_t *)ident_buf; 855 ptr < (int16_t *)ident_buf + sizeof(struct ata_params)/2; ptr++) { 856 *ptr = le16toh(*ptr); 857 } 858 if (strncmp(ident_buf->model, "FX", 2) && 859 strncmp(ident_buf->model, "NEC", 3) && 860 strncmp(ident_buf->model, "Pioneer", 7) && 861 strncmp(ident_buf->model, "SHARP", 5)) { 862 ata_bswap(ident_buf->model, sizeof(ident_buf->model)); 863 ata_bswap(ident_buf->revision, sizeof(ident_buf->revision)); 864 ata_bswap(ident_buf->serial, sizeof(ident_buf->serial)); 865 } 866 ata_btrim(ident_buf->model, sizeof(ident_buf->model)); 867 ata_bpack(ident_buf->model, ident_buf->model, sizeof(ident_buf->model)); 868 ata_btrim(ident_buf->revision, sizeof(ident_buf->revision)); 869 ata_bpack(ident_buf->revision, ident_buf->revision, sizeof(ident_buf->revision)); 870 ata_btrim(ident_buf->serial, sizeof(ident_buf->serial)); 871 ata_bpack(ident_buf->serial, ident_buf->serial, sizeof(ident_buf->serial)); 872 /* Device may need spin-up before IDENTIFY become valid. */ 873 if ((ident_buf->specconf == 0x37c8 || 874 ident_buf->specconf == 0x738c) && 875 ((ident_buf->config & ATA_RESP_INCOMPLETE) || 876 softc->spinup == 0)) { 877 PROBE_SET_ACTION(softc, PROBE_SPINUP); 878 xpt_release_ccb(done_ccb); 879 xpt_schedule(periph, priority); 880 return; 881 } 882 ident_buf = &path->device->ident_data; 883 if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 884 /* Check that it is the same device. */ 885 if (bcmp(softc->ident_data.model, ident_buf->model, 886 sizeof(ident_buf->model)) || 887 bcmp(softc->ident_data.revision, ident_buf->revision, 888 sizeof(ident_buf->revision)) || 889 bcmp(softc->ident_data.serial, ident_buf->serial, 890 sizeof(ident_buf->serial))) { 891 /* Device changed. */ 892 xpt_async(AC_LOST_DEVICE, path, NULL); 893 } else { 894 bcopy(&softc->ident_data, ident_buf, sizeof(struct ata_params)); 895 changed = 0; 896 } 897 } 898 if (changed) { 899 bcopy(&softc->ident_data, ident_buf, sizeof(struct ata_params)); 900 /* Clean up from previous instance of this device */ 901 if (path->device->serial_num != NULL) { 902 free(path->device->serial_num, M_CAMXPT); 903 path->device->serial_num = NULL; 904 path->device->serial_num_len = 0; 905 } 906 path->device->serial_num = 907 (u_int8_t *)malloc((sizeof(ident_buf->serial) + 1), 908 M_CAMXPT, M_NOWAIT); 909 if (path->device->serial_num != NULL) { 910 bcopy(ident_buf->serial, 911 path->device->serial_num, 912 sizeof(ident_buf->serial)); 913 path->device->serial_num[sizeof(ident_buf->serial)] 914 = '\0'; 915 path->device->serial_num_len = 916 strlen(path->device->serial_num); 917 } 918 919 path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 920 } 921 if (ident_buf->satacapabilities & ATA_SUPPORT_NCQ) { 922 path->device->mintags = path->device->maxtags = 923 ATA_QUEUE_LEN(ident_buf->queue) + 1; 924 } 925 ata_find_quirk(path->device); 926 if (path->device->mintags != 0 && 927 path->bus->sim->max_tagged_dev_openings != 0) { 928 /* Check if the SIM does not want queued commands. */ 929 bzero(&cpi, sizeof(cpi)); 930 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 931 cpi.ccb_h.func_code = XPT_PATH_INQ; 932 xpt_action((union ccb *)&cpi); 933 if (cpi.ccb_h.status == CAM_REQ_CMP && 934 (cpi.hba_inquiry & PI_TAG_ABLE)) { 935 /* Report SIM which tags are allowed. */ 936 bzero(&cts, sizeof(cts)); 937 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 938 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 939 cts.type = CTS_TYPE_CURRENT_SETTINGS; 940 cts.xport_specific.sata.tags = path->device->maxtags; 941 cts.xport_specific.sata.valid = CTS_SATA_VALID_TAGS; 942 xpt_action((union ccb *)&cts); 943 /* Reconfigure queues for tagged queueing. */ 944 xpt_start_tags(path); 945 } 946 } 947 ata_device_transport(path); 948 PROBE_SET_ACTION(softc, PROBE_SETMODE); 949 xpt_release_ccb(done_ccb); 950 xpt_schedule(periph, priority); 951 return; 952 } 953 case PROBE_SPINUP: 954 if (bootverbose) 955 xpt_print(path, "Spin-up done\n"); 956 softc->spinup = 1; 957 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 958 xpt_release_ccb(done_ccb); 959 xpt_schedule(periph, priority); 960 return; 961 case PROBE_SETMODE: 962 if (path->device->transport != XPORT_SATA) 963 goto notsata; 964 /* Set supported bits. */ 965 bzero(&cts, sizeof(cts)); 966 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 967 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 968 cts.type = CTS_TYPE_CURRENT_SETTINGS; 969 xpt_action((union ccb *)&cts); 970 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 971 caps = cts.xport_specific.sata.caps & CTS_SATA_CAPS_H; 972 else 973 caps = 0; 974 if (ident_buf->satacapabilities != 0xffff) { 975 if (ident_buf->satacapabilities & ATA_SUPPORT_IFPWRMNGTRCV) 976 caps |= CTS_SATA_CAPS_D_PMREQ; 977 if (ident_buf->satacapabilities & ATA_SUPPORT_HAPST) 978 caps |= CTS_SATA_CAPS_D_APST; 979 } 980 /* Mask unwanted bits. */ 981 bzero(&cts, sizeof(cts)); 982 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 983 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 984 cts.type = CTS_TYPE_USER_SETTINGS; 985 xpt_action((union ccb *)&cts); 986 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 987 caps &= cts.xport_specific.sata.caps; 988 else 989 caps = 0; 990 /* Store result to SIM. */ 991 bzero(&cts, sizeof(cts)); 992 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 993 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 994 cts.type = CTS_TYPE_CURRENT_SETTINGS; 995 cts.xport_specific.sata.caps = caps; 996 cts.xport_specific.sata.valid = CTS_SATA_VALID_CAPS; 997 xpt_action((union ccb *)&cts); 998 softc->caps = caps; 999 if ((ident_buf->satasupport & ATA_SUPPORT_IFPWRMNGT) && 1000 (!(softc->caps & CTS_SATA_CAPS_H_PMREQ)) != 1001 (!(ident_buf->sataenabled & ATA_SUPPORT_IFPWRMNGT))) { 1002 PROBE_SET_ACTION(softc, PROBE_SETPM); 1003 xpt_release_ccb(done_ccb); 1004 xpt_schedule(periph, priority); 1005 return; 1006 } 1007 /* FALLTHROUGH */ 1008 case PROBE_SETPM: 1009 if (ident_buf->satacapabilities != 0xffff && 1010 (ident_buf->satacapabilities & ATA_SUPPORT_DAPST) && 1011 (!(softc->caps & CTS_SATA_CAPS_H_APST)) != 1012 (!(ident_buf->sataenabled & ATA_ENABLED_DAPST))) { 1013 PROBE_SET_ACTION(softc, PROBE_SETAPST); 1014 xpt_release_ccb(done_ccb); 1015 xpt_schedule(periph, priority); 1016 return; 1017 } 1018 /* FALLTHROUGH */ 1019 case PROBE_SETAPST: 1020 if ((ident_buf->satasupport & ATA_SUPPORT_AUTOACTIVATE) && 1021 (!(softc->caps & CTS_SATA_CAPS_H_DMAAA)) != 1022 (!(ident_buf->sataenabled & ATA_SUPPORT_AUTOACTIVATE))) { 1023 PROBE_SET_ACTION(softc, PROBE_SETDMAAA); 1024 xpt_release_ccb(done_ccb); 1025 xpt_schedule(periph, priority); 1026 return; 1027 } 1028 /* FALLTHROUGH */ 1029 case PROBE_SETDMAAA: 1030 notsata: 1031 if (path->device->protocol == PROTO_ATA) { 1032 PROBE_SET_ACTION(softc, PROBE_SET_MULTI); 1033 } else { 1034 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 1035 } 1036 xpt_release_ccb(done_ccb); 1037 xpt_schedule(periph, priority); 1038 return; 1039 case PROBE_SET_MULTI: 1040 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1041 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1042 xpt_acquire_device(path->device); 1043 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1044 xpt_action(done_ccb); 1045 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1046 done_ccb); 1047 } 1048 break; 1049 case PROBE_INQUIRY: 1050 case PROBE_FULL_INQUIRY: 1051 { 1052 struct scsi_inquiry_data *inq_buf; 1053 u_int8_t periph_qual, len; 1054 1055 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1056 inq_buf = &path->device->inq_data; 1057 1058 periph_qual = SID_QUAL(inq_buf); 1059 1060 if (periph_qual != SID_QUAL_LU_CONNECTED) 1061 break; 1062 1063 /* 1064 * We conservatively request only 1065 * SHORT_INQUIRY_LEN bytes of inquiry 1066 * information during our first try 1067 * at sending an INQUIRY. If the device 1068 * has more information to give, 1069 * perform a second request specifying 1070 * the amount of information the device 1071 * is willing to give. 1072 */ 1073 len = inq_buf->additional_length 1074 + offsetof(struct scsi_inquiry_data, additional_length) + 1; 1075 if (softc->action == PROBE_INQUIRY 1076 && len > SHORT_INQUIRY_LENGTH) { 1077 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1078 xpt_release_ccb(done_ccb); 1079 xpt_schedule(periph, priority); 1080 return; 1081 } 1082 1083 ata_device_transport(path); 1084 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1085 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1086 xpt_acquire_device(path->device); 1087 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1088 xpt_action(done_ccb); 1089 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, done_ccb); 1090 } 1091 break; 1092 } 1093 case PROBE_PM_PID: 1094 if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) == 0) 1095 bzero(ident_buf, sizeof(*ident_buf)); 1096 softc->pm_pid = (done_ccb->ataio.res.lba_high << 24) + 1097 (done_ccb->ataio.res.lba_mid << 16) + 1098 (done_ccb->ataio.res.lba_low << 8) + 1099 done_ccb->ataio.res.sector_count; 1100 ((uint32_t *)ident_buf)[0] = softc->pm_pid; 1101 snprintf(ident_buf->model, sizeof(ident_buf->model), 1102 "Port Multiplier %08x", softc->pm_pid); 1103 PROBE_SET_ACTION(softc, PROBE_PM_PRV); 1104 xpt_release_ccb(done_ccb); 1105 xpt_schedule(periph, priority); 1106 return; 1107 case PROBE_PM_PRV: 1108 softc->pm_prv = (done_ccb->ataio.res.lba_high << 24) + 1109 (done_ccb->ataio.res.lba_mid << 16) + 1110 (done_ccb->ataio.res.lba_low << 8) + 1111 done_ccb->ataio.res.sector_count; 1112 ((uint32_t *)ident_buf)[1] = softc->pm_prv; 1113 snprintf(ident_buf->revision, sizeof(ident_buf->revision), 1114 "%04x", softc->pm_prv); 1115 path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 1116 /* Set supported bits. */ 1117 bzero(&cts, sizeof(cts)); 1118 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1119 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1120 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1121 xpt_action((union ccb *)&cts); 1122 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1123 caps = cts.xport_specific.sata.caps & CTS_SATA_CAPS_H; 1124 else 1125 caps = 0; 1126 /* All PMPs must support PM requests. */ 1127 caps |= CTS_SATA_CAPS_D_PMREQ; 1128 /* Mask unwanted bits. */ 1129 bzero(&cts, sizeof(cts)); 1130 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1131 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1132 cts.type = CTS_TYPE_USER_SETTINGS; 1133 xpt_action((union ccb *)&cts); 1134 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1135 caps &= cts.xport_specific.sata.caps; 1136 else 1137 caps = 0; 1138 /* Store result to SIM. */ 1139 bzero(&cts, sizeof(cts)); 1140 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1141 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1142 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1143 cts.xport_specific.sata.caps = caps; 1144 cts.xport_specific.sata.valid = CTS_SATA_VALID_CAPS; 1145 xpt_action((union ccb *)&cts); 1146 softc->caps = caps; 1147 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1148 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1149 xpt_acquire_device(path->device); 1150 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1151 xpt_action(done_ccb); 1152 xpt_async(AC_FOUND_DEVICE, done_ccb->ccb_h.path, 1153 done_ccb); 1154 } else { 1155 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1156 xpt_action(done_ccb); 1157 xpt_async(AC_SCSI_AEN, done_ccb->ccb_h.path, done_ccb); 1158 } 1159 break; 1160 case PROBE_INVALID: 1161 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_INFO, 1162 ("probedone: invalid action state\n")); 1163 default: 1164 break; 1165 } 1166 done: 1167 if (softc->restart) { 1168 softc->restart = 0; 1169 xpt_release_ccb(done_ccb); 1170 probeschedule(periph); 1171 return; 1172 } 1173 xpt_release_ccb(done_ccb); 1174 while ((done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs))) { 1175 TAILQ_REMOVE(&softc->request_ccbs, 1176 &done_ccb->ccb_h, periph_links.tqe); 1177 done_ccb->ccb_h.status = found ? CAM_REQ_CMP : CAM_REQ_CMP_ERR; 1178 xpt_done(done_ccb); 1179 } 1180 cam_release_devq(periph->path, 1181 RELSIM_RELEASE_RUNLEVEL, 0, CAM_RL_XPT + 1, FALSE); 1182 cam_periph_invalidate(periph); 1183 cam_periph_release_locked(periph); 1184 } 1185 1186 static void 1187 probecleanup(struct cam_periph *periph) 1188 { 1189 free(periph->softc, M_CAMXPT); 1190 } 1191 1192 static void 1193 ata_find_quirk(struct cam_ed *device) 1194 { 1195 struct ata_quirk_entry *quirk; 1196 caddr_t match; 1197 1198 match = cam_quirkmatch((caddr_t)&device->ident_data, 1199 (caddr_t)ata_quirk_table, 1200 ata_quirk_table_size, 1201 sizeof(*ata_quirk_table), ata_identify_match); 1202 1203 if (match == NULL) 1204 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1205 1206 quirk = (struct ata_quirk_entry *)match; 1207 device->quirk = quirk; 1208 if (quirk->quirks & CAM_QUIRK_MAXTAGS) 1209 device->mintags = device->maxtags = quirk->maxtags; 1210 } 1211 1212 typedef struct { 1213 union ccb *request_ccb; 1214 struct ccb_pathinq *cpi; 1215 int counter; 1216 } ata_scan_bus_info; 1217 1218 /* 1219 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1220 * As the scan progresses, xpt_scan_bus is used as the 1221 * callback on completion function. 1222 */ 1223 static void 1224 ata_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1225 { 1226 struct cam_path *path; 1227 ata_scan_bus_info *scan_info; 1228 union ccb *work_ccb, *reset_ccb; 1229 cam_status status; 1230 1231 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1232 ("xpt_scan_bus\n")); 1233 switch (request_ccb->ccb_h.func_code) { 1234 case XPT_SCAN_BUS: 1235 case XPT_SCAN_TGT: 1236 /* Find out the characteristics of the bus */ 1237 work_ccb = xpt_alloc_ccb_nowait(); 1238 if (work_ccb == NULL) { 1239 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1240 xpt_done(request_ccb); 1241 return; 1242 } 1243 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1244 request_ccb->ccb_h.pinfo.priority); 1245 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1246 xpt_action(work_ccb); 1247 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1248 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1249 xpt_free_ccb(work_ccb); 1250 xpt_done(request_ccb); 1251 return; 1252 } 1253 1254 /* We may need to reset bus first, if we haven't done it yet. */ 1255 if ((work_ccb->cpi.hba_inquiry & 1256 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1257 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1258 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset)) { 1259 reset_ccb = xpt_alloc_ccb_nowait(); 1260 if (reset_ccb == NULL) { 1261 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1262 xpt_free_ccb(work_ccb); 1263 xpt_done(request_ccb); 1264 return; 1265 } 1266 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1267 CAM_PRIORITY_NONE); 1268 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1269 xpt_action(reset_ccb); 1270 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1271 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1272 xpt_free_ccb(reset_ccb); 1273 xpt_free_ccb(work_ccb); 1274 xpt_done(request_ccb); 1275 return; 1276 } 1277 xpt_free_ccb(reset_ccb); 1278 } 1279 1280 /* Save some state for use while we probe for devices */ 1281 scan_info = (ata_scan_bus_info *) 1282 malloc(sizeof(ata_scan_bus_info), M_CAMXPT, M_NOWAIT); 1283 if (scan_info == NULL) { 1284 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1285 xpt_free_ccb(work_ccb); 1286 xpt_done(request_ccb); 1287 return; 1288 } 1289 scan_info->request_ccb = request_ccb; 1290 scan_info->cpi = &work_ccb->cpi; 1291 /* If PM supported, probe it first. */ 1292 if (scan_info->cpi->hba_inquiry & PI_SATAPM) 1293 scan_info->counter = scan_info->cpi->max_target; 1294 else 1295 scan_info->counter = 0; 1296 1297 work_ccb = xpt_alloc_ccb_nowait(); 1298 if (work_ccb == NULL) { 1299 free(scan_info, M_CAMXPT); 1300 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1301 xpt_done(request_ccb); 1302 break; 1303 } 1304 goto scan_next; 1305 case XPT_SCAN_LUN: 1306 work_ccb = request_ccb; 1307 /* Reuse the same CCB to query if a device was really found */ 1308 scan_info = (ata_scan_bus_info *)work_ccb->ccb_h.ppriv_ptr0; 1309 /* If there is PMP... */ 1310 if ((scan_info->cpi->hba_inquiry & PI_SATAPM) && 1311 (scan_info->counter == scan_info->cpi->max_target)) { 1312 if (work_ccb->ccb_h.status == CAM_REQ_CMP) { 1313 /* everything else will be probed by it */ 1314 /* Free the current request path- we're done with it. */ 1315 xpt_free_path(work_ccb->ccb_h.path); 1316 goto done; 1317 } else { 1318 struct ccb_trans_settings cts; 1319 1320 /* Report SIM that PM is absent. */ 1321 bzero(&cts, sizeof(cts)); 1322 xpt_setup_ccb(&cts.ccb_h, 1323 work_ccb->ccb_h.path, CAM_PRIORITY_NONE); 1324 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1325 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1326 cts.xport_specific.sata.pm_present = 0; 1327 cts.xport_specific.sata.valid = CTS_SATA_VALID_PM; 1328 xpt_action((union ccb *)&cts); 1329 } 1330 } 1331 /* Free the current request path- we're done with it. */ 1332 xpt_free_path(work_ccb->ccb_h.path); 1333 if (scan_info->counter == 1334 ((scan_info->cpi->hba_inquiry & PI_SATAPM) ? 1335 0 : scan_info->cpi->max_target)) { 1336 done: 1337 xpt_free_ccb(work_ccb); 1338 xpt_free_ccb((union ccb *)scan_info->cpi); 1339 request_ccb = scan_info->request_ccb; 1340 free(scan_info, M_CAMXPT); 1341 request_ccb->ccb_h.status = CAM_REQ_CMP; 1342 xpt_done(request_ccb); 1343 break; 1344 } 1345 /* Take next device. Wrap from max (PMP) to 0. */ 1346 scan_info->counter = (scan_info->counter + 1 ) % 1347 (scan_info->cpi->max_target + 1); 1348 scan_next: 1349 status = xpt_create_path(&path, xpt_periph, 1350 scan_info->request_ccb->ccb_h.path_id, 1351 scan_info->counter, 0); 1352 if (status != CAM_REQ_CMP) { 1353 printf("xpt_scan_bus: xpt_create_path failed" 1354 " with status %#x, bus scan halted\n", 1355 status); 1356 xpt_free_ccb(work_ccb); 1357 xpt_free_ccb((union ccb *)scan_info->cpi); 1358 request_ccb = scan_info->request_ccb; 1359 free(scan_info, M_CAMXPT); 1360 request_ccb->ccb_h.status = status; 1361 xpt_done(request_ccb); 1362 break; 1363 } 1364 xpt_setup_ccb(&work_ccb->ccb_h, path, 1365 scan_info->request_ccb->ccb_h.pinfo.priority); 1366 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1367 work_ccb->ccb_h.cbfcnp = ata_scan_bus; 1368 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 1369 work_ccb->crcn.flags = scan_info->request_ccb->crcn.flags; 1370 xpt_action(work_ccb); 1371 break; 1372 default: 1373 break; 1374 } 1375 } 1376 1377 static void 1378 ata_scan_lun(struct cam_periph *periph, struct cam_path *path, 1379 cam_flags flags, union ccb *request_ccb) 1380 { 1381 struct ccb_pathinq cpi; 1382 cam_status status; 1383 struct cam_path *new_path; 1384 struct cam_periph *old_periph; 1385 1386 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("xpt_scan_lun\n")); 1387 1388 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 1389 cpi.ccb_h.func_code = XPT_PATH_INQ; 1390 xpt_action((union ccb *)&cpi); 1391 1392 if (cpi.ccb_h.status != CAM_REQ_CMP) { 1393 if (request_ccb != NULL) { 1394 request_ccb->ccb_h.status = cpi.ccb_h.status; 1395 xpt_done(request_ccb); 1396 } 1397 return; 1398 } 1399 1400 if (request_ccb == NULL) { 1401 request_ccb = malloc(sizeof(union ccb), M_CAMXPT, M_NOWAIT); 1402 if (request_ccb == NULL) { 1403 xpt_print(path, "xpt_scan_lun: can't allocate CCB, " 1404 "can't continue\n"); 1405 return; 1406 } 1407 new_path = malloc(sizeof(*new_path), M_CAMXPT, M_NOWAIT); 1408 if (new_path == NULL) { 1409 xpt_print(path, "xpt_scan_lun: can't allocate path, " 1410 "can't continue\n"); 1411 free(request_ccb, M_CAMXPT); 1412 return; 1413 } 1414 status = xpt_compile_path(new_path, xpt_periph, 1415 path->bus->path_id, 1416 path->target->target_id, 1417 path->device->lun_id); 1418 1419 if (status != CAM_REQ_CMP) { 1420 xpt_print(path, "xpt_scan_lun: can't compile path, " 1421 "can't continue\n"); 1422 free(request_ccb, M_CAMXPT); 1423 free(new_path, M_CAMXPT); 1424 return; 1425 } 1426 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 1427 request_ccb->ccb_h.cbfcnp = xptscandone; 1428 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1429 request_ccb->crcn.flags = flags; 1430 } 1431 1432 if ((old_periph = cam_periph_find(path, "aprobe")) != NULL) { 1433 probe_softc *softc; 1434 1435 softc = (probe_softc *)old_periph->softc; 1436 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 1437 periph_links.tqe); 1438 softc->restart = 1; 1439 } else { 1440 status = cam_periph_alloc(proberegister, NULL, probecleanup, 1441 probestart, "aprobe", 1442 CAM_PERIPH_BIO, 1443 request_ccb->ccb_h.path, NULL, 0, 1444 request_ccb); 1445 1446 if (status != CAM_REQ_CMP) { 1447 xpt_print(path, "xpt_scan_lun: cam_alloc_periph " 1448 "returned an error, can't continue probe\n"); 1449 request_ccb->ccb_h.status = status; 1450 xpt_done(request_ccb); 1451 } 1452 } 1453 } 1454 1455 static void 1456 xptscandone(struct cam_periph *periph, union ccb *done_ccb) 1457 { 1458 xpt_release_path(done_ccb->ccb_h.path); 1459 free(done_ccb->ccb_h.path, M_CAMXPT); 1460 free(done_ccb, M_CAMXPT); 1461 } 1462 1463 static struct cam_ed * 1464 ata_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 1465 { 1466 struct cam_path path; 1467 struct ata_quirk_entry *quirk; 1468 struct cam_ed *device; 1469 struct cam_ed *cur_device; 1470 1471 device = xpt_alloc_device(bus, target, lun_id); 1472 if (device == NULL) 1473 return (NULL); 1474 1475 /* 1476 * Take the default quirk entry until we have inquiry 1477 * data and can determine a better quirk to use. 1478 */ 1479 quirk = &ata_quirk_table[ata_quirk_table_size - 1]; 1480 device->quirk = (void *)quirk; 1481 device->mintags = 0; 1482 device->maxtags = 0; 1483 bzero(&device->inq_data, sizeof(device->inq_data)); 1484 device->inq_flags = 0; 1485 device->queue_flags = 0; 1486 device->serial_num = NULL; 1487 device->serial_num_len = 0; 1488 1489 /* 1490 * XXX should be limited by number of CCBs this bus can 1491 * do. 1492 */ 1493 bus->sim->max_ccbs += device->ccbq.devq_openings; 1494 /* Insertion sort into our target's device list */ 1495 cur_device = TAILQ_FIRST(&target->ed_entries); 1496 while (cur_device != NULL && cur_device->lun_id < lun_id) 1497 cur_device = TAILQ_NEXT(cur_device, links); 1498 if (cur_device != NULL) { 1499 TAILQ_INSERT_BEFORE(cur_device, device, links); 1500 } else { 1501 TAILQ_INSERT_TAIL(&target->ed_entries, device, links); 1502 } 1503 target->generation++; 1504 if (lun_id != CAM_LUN_WILDCARD) { 1505 xpt_compile_path(&path, 1506 NULL, 1507 bus->path_id, 1508 target->target_id, 1509 lun_id); 1510 ata_device_transport(&path); 1511 xpt_release_path(&path); 1512 } 1513 1514 return (device); 1515 } 1516 1517 static void 1518 ata_device_transport(struct cam_path *path) 1519 { 1520 struct ccb_pathinq cpi; 1521 struct ccb_trans_settings cts; 1522 struct scsi_inquiry_data *inq_buf = NULL; 1523 struct ata_params *ident_buf = NULL; 1524 1525 /* Get transport information from the SIM */ 1526 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 1527 cpi.ccb_h.func_code = XPT_PATH_INQ; 1528 xpt_action((union ccb *)&cpi); 1529 1530 path->device->transport = cpi.transport; 1531 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 1532 inq_buf = &path->device->inq_data; 1533 if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) != 0) 1534 ident_buf = &path->device->ident_data; 1535 if (path->device->protocol == PROTO_ATA) { 1536 path->device->protocol_version = ident_buf ? 1537 ata_version(ident_buf->version_major) : cpi.protocol_version; 1538 } else if (path->device->protocol == PROTO_SCSI) { 1539 path->device->protocol_version = inq_buf ? 1540 SID_ANSI_REV(inq_buf) : cpi.protocol_version; 1541 } 1542 path->device->transport_version = ident_buf ? 1543 ata_version(ident_buf->version_major) : cpi.transport_version; 1544 1545 /* Tell the controller what we think */ 1546 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1547 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1548 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1549 cts.transport = path->device->transport; 1550 cts.transport_version = path->device->transport_version; 1551 cts.protocol = path->device->protocol; 1552 cts.protocol_version = path->device->protocol_version; 1553 cts.proto_specific.valid = 0; 1554 if (ident_buf) { 1555 if (path->device->transport == XPORT_ATA) { 1556 cts.xport_specific.ata.atapi = 1557 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_16) ? 16 : 1558 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_12) ? 12 : 0; 1559 cts.xport_specific.ata.valid = CTS_ATA_VALID_ATAPI; 1560 } else { 1561 cts.xport_specific.sata.atapi = 1562 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_16) ? 16 : 1563 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_12) ? 12 : 0; 1564 cts.xport_specific.sata.valid = CTS_SATA_VALID_ATAPI; 1565 } 1566 } else 1567 cts.xport_specific.valid = 0; 1568 xpt_action((union ccb *)&cts); 1569 } 1570 1571 static void 1572 ata_action(union ccb *start_ccb) 1573 { 1574 1575 switch (start_ccb->ccb_h.func_code) { 1576 case XPT_SET_TRAN_SETTINGS: 1577 { 1578 ata_set_transfer_settings(&start_ccb->cts, 1579 start_ccb->ccb_h.path->device, 1580 /*async_update*/FALSE); 1581 break; 1582 } 1583 case XPT_SCAN_BUS: 1584 case XPT_SCAN_TGT: 1585 ata_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 1586 break; 1587 case XPT_SCAN_LUN: 1588 ata_scan_lun(start_ccb->ccb_h.path->periph, 1589 start_ccb->ccb_h.path, start_ccb->crcn.flags, 1590 start_ccb); 1591 break; 1592 case XPT_GET_TRAN_SETTINGS: 1593 { 1594 struct cam_sim *sim; 1595 1596 sim = start_ccb->ccb_h.path->bus->sim; 1597 (*(sim->sim_action))(sim, start_ccb); 1598 break; 1599 } 1600 case XPT_SCSI_IO: 1601 { 1602 struct cam_ed *device; 1603 u_int maxlen = 0; 1604 1605 device = start_ccb->ccb_h.path->device; 1606 if (device->protocol == PROTO_SCSI && 1607 (device->flags & CAM_DEV_IDENTIFY_DATA_VALID)) { 1608 uint16_t p = 1609 device->ident_data.config & ATA_PROTO_MASK; 1610 1611 maxlen = (p == ATA_PROTO_ATAPI_16) ? 16 : 1612 (p == ATA_PROTO_ATAPI_12) ? 12 : 0; 1613 } 1614 if (start_ccb->csio.cdb_len > maxlen) { 1615 start_ccb->ccb_h.status = CAM_REQ_INVALID; 1616 xpt_done(start_ccb); 1617 break; 1618 } 1619 /* FALLTHROUGH */ 1620 } 1621 default: 1622 xpt_action_default(start_ccb); 1623 break; 1624 } 1625 } 1626 1627 static void 1628 ata_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_ed *device, 1629 int async_update) 1630 { 1631 struct ccb_pathinq cpi; 1632 struct ccb_trans_settings cur_cts; 1633 struct ccb_trans_settings_scsi *scsi; 1634 struct ccb_trans_settings_scsi *cur_scsi; 1635 struct cam_sim *sim; 1636 struct scsi_inquiry_data *inq_data; 1637 1638 if (device == NULL) { 1639 cts->ccb_h.status = CAM_PATH_INVALID; 1640 xpt_done((union ccb *)cts); 1641 return; 1642 } 1643 1644 if (cts->protocol == PROTO_UNKNOWN 1645 || cts->protocol == PROTO_UNSPECIFIED) { 1646 cts->protocol = device->protocol; 1647 cts->protocol_version = device->protocol_version; 1648 } 1649 1650 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 1651 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 1652 cts->protocol_version = device->protocol_version; 1653 1654 if (cts->protocol != device->protocol) { 1655 xpt_print(cts->ccb_h.path, "Uninitialized Protocol %x:%x?\n", 1656 cts->protocol, device->protocol); 1657 cts->protocol = device->protocol; 1658 } 1659 1660 if (cts->protocol_version > device->protocol_version) { 1661 if (bootverbose) { 1662 xpt_print(cts->ccb_h.path, "Down reving Protocol " 1663 "Version from %d to %d?\n", cts->protocol_version, 1664 device->protocol_version); 1665 } 1666 cts->protocol_version = device->protocol_version; 1667 } 1668 1669 if (cts->transport == XPORT_UNKNOWN 1670 || cts->transport == XPORT_UNSPECIFIED) { 1671 cts->transport = device->transport; 1672 cts->transport_version = device->transport_version; 1673 } 1674 1675 if (cts->transport_version == XPORT_VERSION_UNKNOWN 1676 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 1677 cts->transport_version = device->transport_version; 1678 1679 if (cts->transport != device->transport) { 1680 xpt_print(cts->ccb_h.path, "Uninitialized Transport %x:%x?\n", 1681 cts->transport, device->transport); 1682 cts->transport = device->transport; 1683 } 1684 1685 if (cts->transport_version > device->transport_version) { 1686 if (bootverbose) { 1687 xpt_print(cts->ccb_h.path, "Down reving Transport " 1688 "Version from %d to %d?\n", cts->transport_version, 1689 device->transport_version); 1690 } 1691 cts->transport_version = device->transport_version; 1692 } 1693 1694 sim = cts->ccb_h.path->bus->sim; 1695 1696 /* 1697 * Nothing more of interest to do unless 1698 * this is a device connected via the 1699 * SCSI protocol. 1700 */ 1701 if (cts->protocol != PROTO_SCSI) { 1702 if (async_update == FALSE) 1703 (*(sim->sim_action))(sim, (union ccb *)cts); 1704 return; 1705 } 1706 1707 inq_data = &device->inq_data; 1708 scsi = &cts->proto_specific.scsi; 1709 xpt_setup_ccb(&cpi.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 1710 cpi.ccb_h.func_code = XPT_PATH_INQ; 1711 xpt_action((union ccb *)&cpi); 1712 1713 /* SCSI specific sanity checking */ 1714 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 1715 || (INQ_DATA_TQ_ENABLED(inq_data)) == 0 1716 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 1717 || (device->mintags == 0)) { 1718 /* 1719 * Can't tag on hardware that doesn't support tags, 1720 * doesn't have it enabled, or has broken tag support. 1721 */ 1722 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1723 } 1724 1725 if (async_update == FALSE) { 1726 /* 1727 * Perform sanity checking against what the 1728 * controller and device can do. 1729 */ 1730 xpt_setup_ccb(&cur_cts.ccb_h, cts->ccb_h.path, CAM_PRIORITY_NONE); 1731 cur_cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1732 cur_cts.type = cts->type; 1733 xpt_action((union ccb *)&cur_cts); 1734 if ((cur_cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1735 return; 1736 } 1737 cur_scsi = &cur_cts.proto_specific.scsi; 1738 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 1739 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1740 scsi->flags |= cur_scsi->flags & CTS_SCSI_FLAGS_TAG_ENB; 1741 } 1742 if ((cur_scsi->valid & CTS_SCSI_VALID_TQ) == 0) 1743 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1744 } 1745 1746 if (cts->type == CTS_TYPE_CURRENT_SETTINGS 1747 && (scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 1748 int device_tagenb; 1749 1750 /* 1751 * If we are transitioning from tags to no-tags or 1752 * vice-versa, we need to carefully freeze and restart 1753 * the queue so that we don't overlap tagged and non-tagged 1754 * commands. We also temporarily stop tags if there is 1755 * a change in transfer negotiation settings to allow 1756 * "tag-less" negotiation. 1757 */ 1758 if ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 1759 || (device->inq_flags & SID_CmdQue) != 0) 1760 device_tagenb = TRUE; 1761 else 1762 device_tagenb = FALSE; 1763 1764 if (((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0 1765 && device_tagenb == FALSE) 1766 || ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) == 0 1767 && device_tagenb == TRUE)) { 1768 1769 if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) { 1770 /* 1771 * Delay change to use tags until after a 1772 * few commands have gone to this device so 1773 * the controller has time to perform transfer 1774 * negotiations without tagged messages getting 1775 * in the way. 1776 */ 1777 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 1778 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 1779 } else { 1780 xpt_stop_tags(cts->ccb_h.path); 1781 } 1782 } 1783 } 1784 if (async_update == FALSE) 1785 (*(sim->sim_action))(sim, (union ccb *)cts); 1786 } 1787 1788 /* 1789 * Handle any per-device event notifications that require action by the XPT. 1790 */ 1791 static void 1792 ata_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 1793 struct cam_ed *device, void *async_arg) 1794 { 1795 cam_status status; 1796 struct cam_path newpath; 1797 1798 /* 1799 * We only need to handle events for real devices. 1800 */ 1801 if (target->target_id == CAM_TARGET_WILDCARD 1802 || device->lun_id == CAM_LUN_WILDCARD) 1803 return; 1804 1805 /* 1806 * We need our own path with wildcards expanded to 1807 * handle certain types of events. 1808 */ 1809 if ((async_code == AC_SENT_BDR) 1810 || (async_code == AC_BUS_RESET) 1811 || (async_code == AC_INQ_CHANGED)) 1812 status = xpt_compile_path(&newpath, NULL, 1813 bus->path_id, 1814 target->target_id, 1815 device->lun_id); 1816 else 1817 status = CAM_REQ_CMP_ERR; 1818 1819 if (status == CAM_REQ_CMP) { 1820 if (async_code == AC_INQ_CHANGED) { 1821 /* 1822 * We've sent a start unit command, or 1823 * something similar to a device that 1824 * may have caused its inquiry data to 1825 * change. So we re-scan the device to 1826 * refresh the inquiry data for it. 1827 */ 1828 ata_scan_lun(newpath.periph, &newpath, 1829 CAM_EXPECT_INQ_CHANGE, NULL); 1830 } else { 1831 /* We need to reinitialize device after reset. */ 1832 ata_scan_lun(newpath.periph, &newpath, 1833 0, NULL); 1834 } 1835 xpt_release_path(&newpath); 1836 } else if (async_code == AC_LOST_DEVICE && 1837 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 1838 device->flags |= CAM_DEV_UNCONFIGURED; 1839 xpt_release_device(device); 1840 } else if (async_code == AC_TRANSFER_NEG) { 1841 struct ccb_trans_settings *settings; 1842 1843 settings = (struct ccb_trans_settings *)async_arg; 1844 ata_set_transfer_settings(settings, device, 1845 /*async_update*/TRUE); 1846 } 1847 } 1848 1849 static void 1850 ata_announce_periph(struct cam_periph *periph) 1851 { 1852 struct ccb_pathinq cpi; 1853 struct ccb_trans_settings cts; 1854 struct cam_path *path = periph->path; 1855 u_int speed; 1856 u_int mb; 1857 1858 mtx_assert(periph->sim->mtx, MA_OWNED); 1859 1860 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 1861 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1862 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1863 xpt_action((union ccb*)&cts); 1864 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 1865 return; 1866 /* Ask the SIM for its base transfer speed */ 1867 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 1868 cpi.ccb_h.func_code = XPT_PATH_INQ; 1869 xpt_action((union ccb *)&cpi); 1870 /* Report connection speed */ 1871 speed = cpi.base_transfer_speed; 1872 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_ATA) { 1873 struct ccb_trans_settings_ata *ata = 1874 &cts.xport_specific.ata; 1875 1876 if (ata->valid & CTS_ATA_VALID_MODE) 1877 speed = ata_mode2speed(ata->mode); 1878 } 1879 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SATA) { 1880 struct ccb_trans_settings_sata *sata = 1881 &cts.xport_specific.sata; 1882 1883 if (sata->valid & CTS_SATA_VALID_REVISION) 1884 speed = ata_revision2speed(sata->revision); 1885 } 1886 mb = speed / 1000; 1887 if (mb > 0) 1888 printf("%s%d: %d.%03dMB/s transfers", 1889 periph->periph_name, periph->unit_number, 1890 mb, speed % 1000); 1891 else 1892 printf("%s%d: %dKB/s transfers", periph->periph_name, 1893 periph->unit_number, speed); 1894 /* Report additional information about connection */ 1895 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_ATA) { 1896 struct ccb_trans_settings_ata *ata = 1897 &cts.xport_specific.ata; 1898 1899 printf(" ("); 1900 if (ata->valid & CTS_ATA_VALID_MODE) 1901 printf("%s, ", ata_mode2string(ata->mode)); 1902 if ((ata->valid & CTS_ATA_VALID_ATAPI) && ata->atapi != 0) 1903 printf("ATAPI %dbytes, ", ata->atapi); 1904 if (ata->valid & CTS_ATA_VALID_BYTECOUNT) 1905 printf("PIO %dbytes", ata->bytecount); 1906 printf(")"); 1907 } 1908 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SATA) { 1909 struct ccb_trans_settings_sata *sata = 1910 &cts.xport_specific.sata; 1911 1912 printf(" ("); 1913 if (sata->valid & CTS_SATA_VALID_REVISION) 1914 printf("SATA %d.x, ", sata->revision); 1915 else 1916 printf("SATA, "); 1917 if (sata->valid & CTS_SATA_VALID_MODE) 1918 printf("%s, ", ata_mode2string(sata->mode)); 1919 if ((sata->valid & CTS_ATA_VALID_ATAPI) && sata->atapi != 0) 1920 printf("ATAPI %dbytes, ", sata->atapi); 1921 if (sata->valid & CTS_SATA_VALID_BYTECOUNT) 1922 printf("PIO %dbytes", sata->bytecount); 1923 printf(")"); 1924 } 1925 printf("\n"); 1926 } 1927 1928