ata_xpt.c revision 298411
1/*- 2 * Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: head/sys/cam/ata/ata_xpt.c 298411 2016-04-21 15:38:28Z pfg $"); 29 30#include <sys/param.h> 31#include <sys/bus.h> 32#include <sys/endian.h> 33#include <sys/systm.h> 34#include <sys/types.h> 35#include <sys/malloc.h> 36#include <sys/kernel.h> 37#include <sys/time.h> 38#include <sys/conf.h> 39#include <sys/fcntl.h> 40#include <sys/interrupt.h> 41#include <sys/sbuf.h> 42 43#include <sys/lock.h> 44#include <sys/mutex.h> 45#include <sys/sysctl.h> 46 47#include <cam/cam.h> 48#include <cam/cam_ccb.h> 49#include <cam/cam_queue.h> 50#include <cam/cam_periph.h> 51#include <cam/cam_sim.h> 52#include <cam/cam_xpt.h> 53#include <cam/cam_xpt_sim.h> 54#include <cam/cam_xpt_periph.h> 55#include <cam/cam_xpt_internal.h> 56#include <cam/cam_debug.h> 57 58#include <cam/scsi/scsi_all.h> 59#include <cam/scsi/scsi_message.h> 60#include <cam/ata/ata_all.h> 61#include <machine/stdarg.h> /* for xpt_print below */ 62#include "opt_cam.h" 63 64struct ata_quirk_entry { 65 struct scsi_inquiry_pattern inq_pat; 66 u_int8_t quirks; 67#define CAM_QUIRK_MAXTAGS 0x01 68 u_int mintags; 69 u_int maxtags; 70}; 71 72static periph_init_t probe_periph_init; 73 74static struct periph_driver probe_driver = 75{ 76 probe_periph_init, "aprobe", 77 TAILQ_HEAD_INITIALIZER(probe_driver.units), /* generation */ 0, 78 CAM_PERIPH_DRV_EARLY 79}; 80 81PERIPHDRIVER_DECLARE(aprobe, probe_driver); 82 83typedef enum { 84 PROBE_RESET, 85 PROBE_IDENTIFY, 86 PROBE_SPINUP, 87 PROBE_SETMODE, 88 PROBE_SETPM, 89 PROBE_SETAPST, 90 PROBE_SETDMAAA, 91 PROBE_SETAN, 92 PROBE_SET_MULTI, 93 PROBE_INQUIRY, 94 PROBE_FULL_INQUIRY, 95 PROBE_PM_PID, 96 PROBE_PM_PRV, 97 PROBE_IDENTIFY_SES, 98 PROBE_IDENTIFY_SAFTE, 99 PROBE_DONE, 100 PROBE_INVALID 101} probe_action; 102 103static char *probe_action_text[] = { 104 "PROBE_RESET", 105 "PROBE_IDENTIFY", 106 "PROBE_SPINUP", 107 "PROBE_SETMODE", 108 "PROBE_SETPM", 109 "PROBE_SETAPST", 110 "PROBE_SETDMAAA", 111 "PROBE_SETAN", 112 "PROBE_SET_MULTI", 113 "PROBE_INQUIRY", 114 "PROBE_FULL_INQUIRY", 115 "PROBE_PM_PID", 116 "PROBE_PM_PRV", 117 "PROBE_IDENTIFY_SES", 118 "PROBE_IDENTIFY_SAFTE", 119 "PROBE_DONE", 120 "PROBE_INVALID" 121}; 122 123#define PROBE_SET_ACTION(softc, newaction) \ 124do { \ 125 char **text; \ 126 text = probe_action_text; \ 127 CAM_DEBUG((softc)->periph->path, CAM_DEBUG_PROBE, \ 128 ("Probe %s to %s\n", text[(softc)->action], \ 129 text[(newaction)])); \ 130 (softc)->action = (newaction); \ 131} while(0) 132 133typedef enum { 134 PROBE_NO_ANNOUNCE = 0x04 135} probe_flags; 136 137typedef struct { 138 TAILQ_HEAD(, ccb_hdr) request_ccbs; 139 struct ata_params ident_data; 140 probe_action action; 141 probe_flags flags; 142 uint32_t pm_pid; 143 uint32_t pm_prv; 144 int restart; 145 int spinup; 146 int faults; 147 u_int caps; 148 struct cam_periph *periph; 149} probe_softc; 150 151static struct ata_quirk_entry ata_quirk_table[] = 152{ 153 { 154 /* Default tagged queuing parameters for all devices */ 155 { 156 T_ANY, SIP_MEDIA_REMOVABLE|SIP_MEDIA_FIXED, 157 /*vendor*/"*", /*product*/"*", /*revision*/"*" 158 }, 159 /*quirks*/0, /*mintags*/0, /*maxtags*/0 160 }, 161}; 162 163static cam_status proberegister(struct cam_periph *periph, 164 void *arg); 165static void probeschedule(struct cam_periph *probe_periph); 166static void probestart(struct cam_periph *periph, union ccb *start_ccb); 167static void proberequestdefaultnegotiation(struct cam_periph *periph); 168static void probedone(struct cam_periph *periph, union ccb *done_ccb); 169static void probecleanup(struct cam_periph *periph); 170static void ata_find_quirk(struct cam_ed *device); 171static void ata_scan_bus(struct cam_periph *periph, union ccb *ccb); 172static void ata_scan_lun(struct cam_periph *periph, 173 struct cam_path *path, cam_flags flags, 174 union ccb *ccb); 175static void xptscandone(struct cam_periph *periph, union ccb *done_ccb); 176static struct cam_ed * 177 ata_alloc_device(struct cam_eb *bus, struct cam_et *target, 178 lun_id_t lun_id); 179static void ata_device_transport(struct cam_path *path); 180static void ata_get_transfer_settings(struct ccb_trans_settings *cts); 181static void ata_set_transfer_settings(struct ccb_trans_settings *cts, 182 struct cam_path *path, 183 int async_update); 184static void ata_dev_async(u_int32_t async_code, 185 struct cam_eb *bus, 186 struct cam_et *target, 187 struct cam_ed *device, 188 void *async_arg); 189static void ata_action(union ccb *start_ccb); 190static void ata_announce_periph(struct cam_periph *periph); 191 192static int ata_dma = 1; 193static int atapi_dma = 1; 194 195TUNABLE_INT("hw.ata.ata_dma", &ata_dma); 196TUNABLE_INT("hw.ata.atapi_dma", &atapi_dma); 197 198static struct xpt_xport ata_xport = { 199 .alloc_device = ata_alloc_device, 200 .action = ata_action, 201 .async = ata_dev_async, 202 .announce = ata_announce_periph, 203}; 204 205struct xpt_xport * 206ata_get_xport(void) 207{ 208 return (&ata_xport); 209} 210 211static void 212probe_periph_init() 213{ 214} 215 216static cam_status 217proberegister(struct cam_periph *periph, void *arg) 218{ 219 union ccb *request_ccb; /* CCB representing the probe request */ 220 cam_status status; 221 probe_softc *softc; 222 223 request_ccb = (union ccb *)arg; 224 if (request_ccb == NULL) { 225 printf("proberegister: no probe CCB, " 226 "can't register device\n"); 227 return(CAM_REQ_CMP_ERR); 228 } 229 230 softc = (probe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_ZERO | M_NOWAIT); 231 232 if (softc == NULL) { 233 printf("proberegister: Unable to probe new device. " 234 "Unable to allocate softc\n"); 235 return(CAM_REQ_CMP_ERR); 236 } 237 TAILQ_INIT(&softc->request_ccbs); 238 TAILQ_INSERT_TAIL(&softc->request_ccbs, &request_ccb->ccb_h, 239 periph_links.tqe); 240 softc->flags = 0; 241 periph->softc = softc; 242 softc->periph = periph; 243 softc->action = PROBE_INVALID; 244 status = cam_periph_acquire(periph); 245 if (status != CAM_REQ_CMP) { 246 return (status); 247 } 248 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe started\n")); 249 ata_device_transport(periph->path); 250 probeschedule(periph); 251 return(CAM_REQ_CMP); 252} 253 254static void 255probeschedule(struct cam_periph *periph) 256{ 257 union ccb *ccb; 258 probe_softc *softc; 259 260 softc = (probe_softc *)periph->softc; 261 ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs); 262 263 if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) || 264 periph->path->device->protocol == PROTO_SATAPM || 265 periph->path->device->protocol == PROTO_SEMB) 266 PROBE_SET_ACTION(softc, PROBE_RESET); 267 else 268 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 269 270 if (ccb->crcn.flags & CAM_EXPECT_INQ_CHANGE) 271 softc->flags |= PROBE_NO_ANNOUNCE; 272 else 273 softc->flags &= ~PROBE_NO_ANNOUNCE; 274 275 xpt_schedule(periph, CAM_PRIORITY_XPT); 276} 277 278static void 279probestart(struct cam_periph *periph, union ccb *start_ccb) 280{ 281 struct ccb_trans_settings cts; 282 struct ccb_ataio *ataio; 283 struct ccb_scsiio *csio; 284 probe_softc *softc; 285 struct cam_path *path; 286 struct ata_params *ident_buf; 287 288 CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probestart\n")); 289 290 softc = (probe_softc *)periph->softc; 291 path = start_ccb->ccb_h.path; 292 ataio = &start_ccb->ataio; 293 csio = &start_ccb->csio; 294 ident_buf = &periph->path->device->ident_data; 295 296 if (softc->restart) { 297 softc->restart = 0; 298 if ((path->device->flags & CAM_DEV_UNCONFIGURED) || 299 path->device->protocol == PROTO_SATAPM || 300 path->device->protocol == PROTO_SEMB) 301 softc->action = PROBE_RESET; 302 else 303 softc->action = PROBE_IDENTIFY; 304 } 305 switch (softc->action) { 306 case PROBE_RESET: 307 cam_fill_ataio(ataio, 308 0, 309 probedone, 310 /*flags*/CAM_DIR_NONE, 311 0, 312 /*data_ptr*/NULL, 313 /*dxfer_len*/0, 314 15 * 1000); 315 ata_reset_cmd(ataio); 316 break; 317 case PROBE_IDENTIFY: 318 cam_fill_ataio(ataio, 319 1, 320 probedone, 321 /*flags*/CAM_DIR_IN, 322 0, 323 /*data_ptr*/(u_int8_t *)&softc->ident_data, 324 /*dxfer_len*/sizeof(softc->ident_data), 325 30 * 1000); 326 if (periph->path->device->protocol == PROTO_ATA) 327 ata_28bit_cmd(ataio, ATA_ATA_IDENTIFY, 0, 0, 0); 328 else 329 ata_28bit_cmd(ataio, ATA_ATAPI_IDENTIFY, 0, 0, 0); 330 break; 331 case PROBE_SPINUP: 332 if (bootverbose) 333 xpt_print(path, "Spinning up device\n"); 334 cam_fill_ataio(ataio, 335 1, 336 probedone, 337 /*flags*/CAM_DIR_NONE | CAM_HIGH_POWER, 338 0, 339 /*data_ptr*/NULL, 340 /*dxfer_len*/0, 341 30 * 1000); 342 ata_28bit_cmd(ataio, ATA_SETFEATURES, ATA_SF_PUIS_SPINUP, 0, 0); 343 break; 344 case PROBE_SETMODE: 345 { 346 int mode, wantmode; 347 348 mode = 0; 349 /* Fetch user modes from SIM. */ 350 bzero(&cts, sizeof(cts)); 351 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 352 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 353 cts.type = CTS_TYPE_USER_SETTINGS; 354 xpt_action((union ccb *)&cts); 355 if (path->device->transport == XPORT_ATA) { 356 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_MODE) 357 mode = cts.xport_specific.ata.mode; 358 } else { 359 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_MODE) 360 mode = cts.xport_specific.sata.mode; 361 } 362 if (periph->path->device->protocol == PROTO_ATA) { 363 if (ata_dma == 0 && (mode == 0 || mode > ATA_PIO_MAX)) 364 mode = ATA_PIO_MAX; 365 } else { 366 if (atapi_dma == 0 && (mode == 0 || mode > ATA_PIO_MAX)) 367 mode = ATA_PIO_MAX; 368 } 369negotiate: 370 /* Honor device capabilities. */ 371 wantmode = mode = ata_max_mode(ident_buf, mode); 372 /* Report modes to SIM. */ 373 bzero(&cts, sizeof(cts)); 374 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 375 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 376 cts.type = CTS_TYPE_CURRENT_SETTINGS; 377 if (path->device->transport == XPORT_ATA) { 378 cts.xport_specific.ata.mode = mode; 379 cts.xport_specific.ata.valid = CTS_ATA_VALID_MODE; 380 } else { 381 cts.xport_specific.sata.mode = mode; 382 cts.xport_specific.sata.valid = CTS_SATA_VALID_MODE; 383 } 384 xpt_action((union ccb *)&cts); 385 /* Fetch current modes from SIM. */ 386 bzero(&cts, sizeof(cts)); 387 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 388 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 389 cts.type = CTS_TYPE_CURRENT_SETTINGS; 390 xpt_action((union ccb *)&cts); 391 if (path->device->transport == XPORT_ATA) { 392 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_MODE) 393 mode = cts.xport_specific.ata.mode; 394 } else { 395 if (cts.xport_specific.ata.valid & CTS_SATA_VALID_MODE) 396 mode = cts.xport_specific.sata.mode; 397 } 398 /* If SIM disagree - renegotiate. */ 399 if (mode != wantmode) 400 goto negotiate; 401 /* Remember what transport thinks about DMA. */ 402 if (mode < ATA_DMA) 403 path->device->inq_flags &= ~SID_DMA; 404 else 405 path->device->inq_flags |= SID_DMA; 406 xpt_async(AC_GETDEV_CHANGED, path, NULL); 407 cam_fill_ataio(ataio, 408 1, 409 probedone, 410 /*flags*/CAM_DIR_NONE, 411 0, 412 /*data_ptr*/NULL, 413 /*dxfer_len*/0, 414 30 * 1000); 415 ata_28bit_cmd(ataio, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode); 416 break; 417 } 418 case PROBE_SETPM: 419 cam_fill_ataio(ataio, 420 1, 421 probedone, 422 CAM_DIR_NONE, 423 0, 424 NULL, 425 0, 426 30*1000); 427 ata_28bit_cmd(ataio, ATA_SETFEATURES, 428 (softc->caps & CTS_SATA_CAPS_H_PMREQ) ? 0x10 : 0x90, 429 0, 0x03); 430 break; 431 case PROBE_SETAPST: 432 cam_fill_ataio(ataio, 433 1, 434 probedone, 435 CAM_DIR_NONE, 436 0, 437 NULL, 438 0, 439 30*1000); 440 ata_28bit_cmd(ataio, ATA_SETFEATURES, 441 (softc->caps & CTS_SATA_CAPS_H_APST) ? 0x10 : 0x90, 442 0, 0x07); 443 break; 444 case PROBE_SETDMAAA: 445 cam_fill_ataio(ataio, 446 1, 447 probedone, 448 CAM_DIR_NONE, 449 0, 450 NULL, 451 0, 452 30*1000); 453 ata_28bit_cmd(ataio, ATA_SETFEATURES, 454 (softc->caps & CTS_SATA_CAPS_H_DMAAA) ? 0x10 : 0x90, 455 0, 0x02); 456 break; 457 case PROBE_SETAN: 458 /* Remember what transport thinks about AEN. */ 459 if (softc->caps & CTS_SATA_CAPS_H_AN) 460 path->device->inq_flags |= SID_AEN; 461 else 462 path->device->inq_flags &= ~SID_AEN; 463 xpt_async(AC_GETDEV_CHANGED, path, NULL); 464 cam_fill_ataio(ataio, 465 1, 466 probedone, 467 CAM_DIR_NONE, 468 0, 469 NULL, 470 0, 471 30*1000); 472 ata_28bit_cmd(ataio, ATA_SETFEATURES, 473 (softc->caps & CTS_SATA_CAPS_H_AN) ? 0x10 : 0x90, 474 0, 0x05); 475 break; 476 case PROBE_SET_MULTI: 477 { 478 u_int sectors, bytecount; 479 480 bytecount = 8192; /* SATA maximum */ 481 /* Fetch user bytecount from SIM. */ 482 bzero(&cts, sizeof(cts)); 483 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 484 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 485 cts.type = CTS_TYPE_USER_SETTINGS; 486 xpt_action((union ccb *)&cts); 487 if (path->device->transport == XPORT_ATA) { 488 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 489 bytecount = cts.xport_specific.ata.bytecount; 490 } else { 491 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 492 bytecount = cts.xport_specific.sata.bytecount; 493 } 494 /* Honor device capabilities. */ 495 sectors = max(1, min(ident_buf->sectors_intr & 0xff, 496 bytecount / ata_logical_sector_size(ident_buf))); 497 /* Report bytecount to SIM. */ 498 bzero(&cts, sizeof(cts)); 499 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 500 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 501 cts.type = CTS_TYPE_CURRENT_SETTINGS; 502 if (path->device->transport == XPORT_ATA) { 503 cts.xport_specific.ata.bytecount = sectors * 504 ata_logical_sector_size(ident_buf); 505 cts.xport_specific.ata.valid = CTS_ATA_VALID_BYTECOUNT; 506 } else { 507 cts.xport_specific.sata.bytecount = sectors * 508 ata_logical_sector_size(ident_buf); 509 cts.xport_specific.sata.valid = CTS_SATA_VALID_BYTECOUNT; 510 } 511 xpt_action((union ccb *)&cts); 512 /* Fetch current bytecount from SIM. */ 513 bzero(&cts, sizeof(cts)); 514 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 515 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 516 cts.type = CTS_TYPE_CURRENT_SETTINGS; 517 xpt_action((union ccb *)&cts); 518 if (path->device->transport == XPORT_ATA) { 519 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 520 bytecount = cts.xport_specific.ata.bytecount; 521 } else { 522 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 523 bytecount = cts.xport_specific.sata.bytecount; 524 } 525 sectors = bytecount / ata_logical_sector_size(ident_buf); 526 527 cam_fill_ataio(ataio, 528 1, 529 probedone, 530 CAM_DIR_NONE, 531 0, 532 NULL, 533 0, 534 30*1000); 535 ata_28bit_cmd(ataio, ATA_SET_MULTI, 0, 0, sectors); 536 break; 537 } 538 case PROBE_INQUIRY: 539 { 540 u_int bytecount; 541 542 bytecount = 8192; /* SATA maximum */ 543 /* Fetch user bytecount from SIM. */ 544 bzero(&cts, sizeof(cts)); 545 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 546 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 547 cts.type = CTS_TYPE_USER_SETTINGS; 548 xpt_action((union ccb *)&cts); 549 if (path->device->transport == XPORT_ATA) { 550 if (cts.xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT) 551 bytecount = cts.xport_specific.ata.bytecount; 552 } else { 553 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT) 554 bytecount = cts.xport_specific.sata.bytecount; 555 } 556 /* Honor device capabilities. */ 557 bytecount &= ~1; 558 bytecount = max(2, min(65534, bytecount)); 559 if (ident_buf->satacapabilities != 0x0000 && 560 ident_buf->satacapabilities != 0xffff) { 561 bytecount = min(8192, bytecount); 562 } 563 /* Report bytecount to SIM. */ 564 bzero(&cts, sizeof(cts)); 565 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 566 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 567 cts.type = CTS_TYPE_CURRENT_SETTINGS; 568 if (path->device->transport == XPORT_ATA) { 569 cts.xport_specific.ata.bytecount = bytecount; 570 cts.xport_specific.ata.valid = CTS_ATA_VALID_BYTECOUNT; 571 } else { 572 cts.xport_specific.sata.bytecount = bytecount; 573 cts.xport_specific.sata.valid = CTS_SATA_VALID_BYTECOUNT; 574 } 575 xpt_action((union ccb *)&cts); 576 /* FALLTHROUGH */ 577 } 578 case PROBE_FULL_INQUIRY: 579 { 580 u_int inquiry_len; 581 struct scsi_inquiry_data *inq_buf = 582 &periph->path->device->inq_data; 583 584 if (softc->action == PROBE_INQUIRY) 585 inquiry_len = SHORT_INQUIRY_LENGTH; 586 else 587 inquiry_len = SID_ADDITIONAL_LENGTH(inq_buf); 588 /* 589 * Some parallel SCSI devices fail to send an 590 * ignore wide residue message when dealing with 591 * odd length inquiry requests. Round up to be 592 * safe. 593 */ 594 inquiry_len = roundup2(inquiry_len, 2); 595 scsi_inquiry(csio, 596 /*retries*/1, 597 probedone, 598 MSG_SIMPLE_Q_TAG, 599 (u_int8_t *)inq_buf, 600 inquiry_len, 601 /*evpd*/FALSE, 602 /*page_code*/0, 603 SSD_MIN_SIZE, 604 /*timeout*/60 * 1000); 605 break; 606 } 607 case PROBE_PM_PID: 608 cam_fill_ataio(ataio, 609 1, 610 probedone, 611 /*flags*/CAM_DIR_NONE, 612 0, 613 /*data_ptr*/NULL, 614 /*dxfer_len*/0, 615 10 * 1000); 616 ata_pm_read_cmd(ataio, 0, 15); 617 break; 618 case PROBE_PM_PRV: 619 cam_fill_ataio(ataio, 620 1, 621 probedone, 622 /*flags*/CAM_DIR_NONE, 623 0, 624 /*data_ptr*/NULL, 625 /*dxfer_len*/0, 626 10 * 1000); 627 ata_pm_read_cmd(ataio, 1, 15); 628 break; 629 case PROBE_IDENTIFY_SES: 630 cam_fill_ataio(ataio, 631 1, 632 probedone, 633 /*flags*/CAM_DIR_IN, 634 0, 635 /*data_ptr*/(u_int8_t *)&softc->ident_data, 636 /*dxfer_len*/sizeof(softc->ident_data), 637 30 * 1000); 638 ata_28bit_cmd(ataio, ATA_SEP_ATTN, 0xEC, 0x02, 639 sizeof(softc->ident_data) / 4); 640 break; 641 case PROBE_IDENTIFY_SAFTE: 642 cam_fill_ataio(ataio, 643 1, 644 probedone, 645 /*flags*/CAM_DIR_IN, 646 0, 647 /*data_ptr*/(u_int8_t *)&softc->ident_data, 648 /*dxfer_len*/sizeof(softc->ident_data), 649 30 * 1000); 650 ata_28bit_cmd(ataio, ATA_SEP_ATTN, 0xEC, 0x00, 651 sizeof(softc->ident_data) / 4); 652 break; 653 default: 654 panic("probestart: invalid action state 0x%x\n", softc->action); 655 } 656 start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE; 657 xpt_action(start_ccb); 658} 659 660static void 661proberequestdefaultnegotiation(struct cam_periph *periph) 662{ 663 struct ccb_trans_settings cts; 664 665 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 666 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 667 cts.type = CTS_TYPE_USER_SETTINGS; 668 xpt_action((union ccb *)&cts); 669 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 670 return; 671 cts.xport_specific.valid = 0; 672 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 673 cts.type = CTS_TYPE_CURRENT_SETTINGS; 674 xpt_action((union ccb *)&cts); 675} 676 677static void 678probedone(struct cam_periph *periph, union ccb *done_ccb) 679{ 680 struct ccb_trans_settings cts; 681 struct ata_params *ident_buf; 682 struct scsi_inquiry_data *inq_buf; 683 probe_softc *softc; 684 struct cam_path *path; 685 cam_status status; 686 u_int32_t priority; 687 u_int caps; 688 int changed = 1, found = 1; 689 static const uint8_t fake_device_id_hdr[8] = 690 {0, SVPD_DEVICE_ID, 0, 12, 691 SVPD_ID_CODESET_BINARY, SVPD_ID_TYPE_NAA, 0, 8}; 692 693 CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_TRACE, ("probedone\n")); 694 695 softc = (probe_softc *)periph->softc; 696 path = done_ccb->ccb_h.path; 697 priority = done_ccb->ccb_h.pinfo.priority; 698 ident_buf = &path->device->ident_data; 699 inq_buf = &path->device->inq_data; 700 701 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 702 if (cam_periph_error(done_ccb, 703 0, softc->restart ? (SF_NO_RECOVERY | SF_NO_RETRY) : 0, 704 NULL) == ERESTART) { 705out: 706 /* Drop freeze taken due to CAM_DEV_QFREEZE flag set. */ 707 cam_release_devq(path, 0, 0, 0, FALSE); 708 return; 709 } 710 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 711 /* Don't wedge the queue */ 712 xpt_release_devq(path, /*count*/1, /*run_queue*/TRUE); 713 } 714 status = done_ccb->ccb_h.status & CAM_STATUS_MASK; 715 if (softc->restart) { 716 softc->faults++; 717 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == 718 CAM_CMD_TIMEOUT) 719 softc->faults += 4; 720 if (softc->faults < 10) 721 goto done; 722 else 723 softc->restart = 0; 724 725 /* Old PIO2 devices may not support mode setting. */ 726 } else if (softc->action == PROBE_SETMODE && 727 status == CAM_ATA_STATUS_ERROR && 728 ata_max_pmode(ident_buf) <= ATA_PIO2 && 729 (ident_buf->capabilities1 & ATA_SUPPORT_IORDY) == 0) { 730 goto noerror; 731 732 /* 733 * Some old WD SATA disks report supported and enabled 734 * device-initiated interface power management, but return 735 * ABORT on attempt to disable it. 736 */ 737 } else if (softc->action == PROBE_SETPM && 738 status == CAM_ATA_STATUS_ERROR) { 739 goto noerror; 740 741 /* 742 * Some HP SATA disks report supported DMA Auto-Activation, 743 * but return ABORT on attempt to enable it. 744 */ 745 } else if (softc->action == PROBE_SETDMAAA && 746 status == CAM_ATA_STATUS_ERROR) { 747 goto noerror; 748 749 /* 750 * SES and SAF-TE SEPs have different IDENTIFY commands, 751 * but SATA specification doesn't tell how to identify them. 752 * Until better way found, just try another if first fail. 753 */ 754 } else if (softc->action == PROBE_IDENTIFY_SES && 755 status == CAM_ATA_STATUS_ERROR) { 756 PROBE_SET_ACTION(softc, PROBE_IDENTIFY_SAFTE); 757 xpt_release_ccb(done_ccb); 758 xpt_schedule(periph, priority); 759 goto out; 760 } 761 762 /* 763 * If we get to this point, we got an error status back 764 * from the inquiry and the error status doesn't require 765 * automatically retrying the command. Therefore, the 766 * inquiry failed. If we had inquiry information before 767 * for this device, but this latest inquiry command failed, 768 * the device has probably gone away. If this device isn't 769 * already marked unconfigured, notify the peripheral 770 * drivers that this device is no more. 771 */ 772device_fail: if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) 773 xpt_async(AC_LOST_DEVICE, path, NULL); 774 PROBE_SET_ACTION(softc, PROBE_INVALID); 775 found = 0; 776 goto done; 777 } 778noerror: 779 if (softc->restart) 780 goto done; 781 switch (softc->action) { 782 case PROBE_RESET: 783 { 784 int sign = (done_ccb->ataio.res.lba_high << 8) + 785 done_ccb->ataio.res.lba_mid; 786 CAM_DEBUG(path, CAM_DEBUG_PROBE, 787 ("SIGNATURE: %04x\n", sign)); 788 if (sign == 0x0000 && 789 done_ccb->ccb_h.target_id != 15) { 790 path->device->protocol = PROTO_ATA; 791 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 792 } else if (sign == 0x9669 && 793 done_ccb->ccb_h.target_id == 15) { 794 /* Report SIM that PM is present. */ 795 bzero(&cts, sizeof(cts)); 796 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 797 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 798 cts.type = CTS_TYPE_CURRENT_SETTINGS; 799 cts.xport_specific.sata.pm_present = 1; 800 cts.xport_specific.sata.valid = CTS_SATA_VALID_PM; 801 xpt_action((union ccb *)&cts); 802 path->device->protocol = PROTO_SATAPM; 803 PROBE_SET_ACTION(softc, PROBE_PM_PID); 804 } else if (sign == 0xc33c && 805 done_ccb->ccb_h.target_id != 15) { 806 path->device->protocol = PROTO_SEMB; 807 PROBE_SET_ACTION(softc, PROBE_IDENTIFY_SES); 808 } else if (sign == 0xeb14 && 809 done_ccb->ccb_h.target_id != 15) { 810 path->device->protocol = PROTO_SCSI; 811 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 812 } else { 813 if (done_ccb->ccb_h.target_id != 15) { 814 xpt_print(path, 815 "Unexpected signature 0x%04x\n", sign); 816 } 817 goto device_fail; 818 } 819 xpt_release_ccb(done_ccb); 820 xpt_schedule(periph, priority); 821 goto out; 822 } 823 case PROBE_IDENTIFY: 824 { 825 struct ccb_pathinq cpi; 826 int16_t *ptr; 827 828 ident_buf = &softc->ident_data; 829 for (ptr = (int16_t *)ident_buf; 830 ptr < (int16_t *)ident_buf + sizeof(struct ata_params)/2; ptr++) { 831 *ptr = le16toh(*ptr); 832 } 833 if (strncmp(ident_buf->model, "FX", 2) && 834 strncmp(ident_buf->model, "NEC", 3) && 835 strncmp(ident_buf->model, "Pioneer", 7) && 836 strncmp(ident_buf->model, "SHARP", 5)) { 837 ata_bswap(ident_buf->model, sizeof(ident_buf->model)); 838 ata_bswap(ident_buf->revision, sizeof(ident_buf->revision)); 839 ata_bswap(ident_buf->serial, sizeof(ident_buf->serial)); 840 } 841 ata_btrim(ident_buf->model, sizeof(ident_buf->model)); 842 ata_bpack(ident_buf->model, ident_buf->model, sizeof(ident_buf->model)); 843 ata_btrim(ident_buf->revision, sizeof(ident_buf->revision)); 844 ata_bpack(ident_buf->revision, ident_buf->revision, sizeof(ident_buf->revision)); 845 ata_btrim(ident_buf->serial, sizeof(ident_buf->serial)); 846 ata_bpack(ident_buf->serial, ident_buf->serial, sizeof(ident_buf->serial)); 847 /* Device may need spin-up before IDENTIFY become valid. */ 848 if ((ident_buf->specconf == 0x37c8 || 849 ident_buf->specconf == 0x738c) && 850 ((ident_buf->config & ATA_RESP_INCOMPLETE) || 851 softc->spinup == 0)) { 852 PROBE_SET_ACTION(softc, PROBE_SPINUP); 853 xpt_release_ccb(done_ccb); 854 xpt_schedule(periph, priority); 855 goto out; 856 } 857 ident_buf = &path->device->ident_data; 858 if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 859 /* Check that it is the same device. */ 860 if (bcmp(softc->ident_data.model, ident_buf->model, 861 sizeof(ident_buf->model)) || 862 bcmp(softc->ident_data.revision, ident_buf->revision, 863 sizeof(ident_buf->revision)) || 864 bcmp(softc->ident_data.serial, ident_buf->serial, 865 sizeof(ident_buf->serial))) { 866 /* Device changed. */ 867 xpt_async(AC_LOST_DEVICE, path, NULL); 868 } else { 869 bcopy(&softc->ident_data, ident_buf, sizeof(struct ata_params)); 870 changed = 0; 871 } 872 } 873 if (changed) { 874 bcopy(&softc->ident_data, ident_buf, sizeof(struct ata_params)); 875 /* Clean up from previous instance of this device */ 876 if (path->device->serial_num != NULL) { 877 free(path->device->serial_num, M_CAMXPT); 878 path->device->serial_num = NULL; 879 path->device->serial_num_len = 0; 880 } 881 if (path->device->device_id != NULL) { 882 free(path->device->device_id, M_CAMXPT); 883 path->device->device_id = NULL; 884 path->device->device_id_len = 0; 885 } 886 path->device->serial_num = 887 (u_int8_t *)malloc((sizeof(ident_buf->serial) + 1), 888 M_CAMXPT, M_NOWAIT); 889 if (path->device->serial_num != NULL) { 890 bcopy(ident_buf->serial, 891 path->device->serial_num, 892 sizeof(ident_buf->serial)); 893 path->device->serial_num[sizeof(ident_buf->serial)] 894 = '\0'; 895 path->device->serial_num_len = 896 strlen(path->device->serial_num); 897 } 898 if (ident_buf->enabled.extension & 899 ATA_SUPPORT_64BITWWN) { 900 path->device->device_id = 901 malloc(16, M_CAMXPT, M_NOWAIT); 902 if (path->device->device_id != NULL) { 903 path->device->device_id_len = 16; 904 bcopy(&fake_device_id_hdr, 905 path->device->device_id, 8); 906 bcopy(ident_buf->wwn, 907 path->device->device_id + 8, 8); 908 ata_bswap(path->device->device_id + 8, 8); 909 } 910 } 911 912 path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 913 xpt_async(AC_GETDEV_CHANGED, path, NULL); 914 } 915 if (ident_buf->satacapabilities & ATA_SUPPORT_NCQ) { 916 path->device->mintags = 2; 917 path->device->maxtags = 918 ATA_QUEUE_LEN(ident_buf->queue) + 1; 919 } 920 ata_find_quirk(path->device); 921 if (path->device->mintags != 0 && 922 path->bus->sim->max_tagged_dev_openings != 0) { 923 /* Check if the SIM does not want queued commands. */ 924 bzero(&cpi, sizeof(cpi)); 925 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 926 cpi.ccb_h.func_code = XPT_PATH_INQ; 927 xpt_action((union ccb *)&cpi); 928 if (cpi.ccb_h.status == CAM_REQ_CMP && 929 (cpi.hba_inquiry & PI_TAG_ABLE)) { 930 /* Report SIM which tags are allowed. */ 931 bzero(&cts, sizeof(cts)); 932 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 933 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 934 cts.type = CTS_TYPE_CURRENT_SETTINGS; 935 cts.xport_specific.sata.tags = path->device->maxtags; 936 cts.xport_specific.sata.valid = CTS_SATA_VALID_TAGS; 937 xpt_action((union ccb *)&cts); 938 } 939 } 940 ata_device_transport(path); 941 if (changed) 942 proberequestdefaultnegotiation(periph); 943 PROBE_SET_ACTION(softc, PROBE_SETMODE); 944 xpt_release_ccb(done_ccb); 945 xpt_schedule(periph, priority); 946 goto out; 947 } 948 case PROBE_SPINUP: 949 if (bootverbose) 950 xpt_print(path, "Spin-up done\n"); 951 softc->spinup = 1; 952 PROBE_SET_ACTION(softc, PROBE_IDENTIFY); 953 xpt_release_ccb(done_ccb); 954 xpt_schedule(periph, priority); 955 goto out; 956 case PROBE_SETMODE: 957 /* Set supported bits. */ 958 bzero(&cts, sizeof(cts)); 959 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 960 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 961 cts.type = CTS_TYPE_CURRENT_SETTINGS; 962 xpt_action((union ccb *)&cts); 963 if (path->device->transport == XPORT_SATA && 964 cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 965 caps = cts.xport_specific.sata.caps & CTS_SATA_CAPS_H; 966 else if (path->device->transport == XPORT_ATA && 967 cts.xport_specific.ata.valid & CTS_ATA_VALID_CAPS) 968 caps = cts.xport_specific.ata.caps & CTS_ATA_CAPS_H; 969 else 970 caps = 0; 971 if (path->device->transport == XPORT_SATA && 972 ident_buf->satacapabilities != 0xffff) { 973 if (ident_buf->satacapabilities & ATA_SUPPORT_IFPWRMNGTRCV) 974 caps |= CTS_SATA_CAPS_D_PMREQ; 975 if (ident_buf->satacapabilities & ATA_SUPPORT_HAPST) 976 caps |= CTS_SATA_CAPS_D_APST; 977 } 978 /* Mask unwanted bits. */ 979 bzero(&cts, sizeof(cts)); 980 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 981 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 982 cts.type = CTS_TYPE_USER_SETTINGS; 983 xpt_action((union ccb *)&cts); 984 if (path->device->transport == XPORT_SATA && 985 cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 986 caps &= cts.xport_specific.sata.caps; 987 else if (path->device->transport == XPORT_ATA && 988 cts.xport_specific.ata.valid & CTS_ATA_VALID_CAPS) 989 caps &= cts.xport_specific.ata.caps; 990 else 991 caps = 0; 992 /* 993 * Remember what transport thinks about 48-bit DMA. If 994 * capability information is not provided or transport is 995 * SATA, we take support for granted. 996 */ 997 if (!(path->device->inq_flags & SID_DMA) || 998 (path->device->transport == XPORT_ATA && 999 (cts.xport_specific.ata.valid & CTS_ATA_VALID_CAPS) && 1000 !(caps & CTS_ATA_CAPS_H_DMA48))) 1001 path->device->inq_flags &= ~SID_DMA48; 1002 else 1003 path->device->inq_flags |= SID_DMA48; 1004 /* Store result to SIM. */ 1005 bzero(&cts, sizeof(cts)); 1006 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1007 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1008 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1009 if (path->device->transport == XPORT_SATA) { 1010 cts.xport_specific.sata.caps = caps; 1011 cts.xport_specific.sata.valid = CTS_SATA_VALID_CAPS; 1012 } else { 1013 cts.xport_specific.ata.caps = caps; 1014 cts.xport_specific.ata.valid = CTS_ATA_VALID_CAPS; 1015 } 1016 xpt_action((union ccb *)&cts); 1017 softc->caps = caps; 1018 if (path->device->transport != XPORT_SATA) 1019 goto notsata; 1020 if ((ident_buf->satasupport & ATA_SUPPORT_IFPWRMNGT) && 1021 (!(softc->caps & CTS_SATA_CAPS_H_PMREQ)) != 1022 (!(ident_buf->sataenabled & ATA_SUPPORT_IFPWRMNGT))) { 1023 PROBE_SET_ACTION(softc, PROBE_SETPM); 1024 xpt_release_ccb(done_ccb); 1025 xpt_schedule(periph, priority); 1026 goto out; 1027 } 1028 /* FALLTHROUGH */ 1029 case PROBE_SETPM: 1030 if (ident_buf->satacapabilities != 0xffff && 1031 (ident_buf->satacapabilities & ATA_SUPPORT_DAPST) && 1032 (!(softc->caps & CTS_SATA_CAPS_H_APST)) != 1033 (!(ident_buf->sataenabled & ATA_ENABLED_DAPST))) { 1034 PROBE_SET_ACTION(softc, PROBE_SETAPST); 1035 xpt_release_ccb(done_ccb); 1036 xpt_schedule(periph, priority); 1037 goto out; 1038 } 1039 /* FALLTHROUGH */ 1040 case PROBE_SETAPST: 1041 if ((ident_buf->satasupport & ATA_SUPPORT_AUTOACTIVATE) && 1042 (!(softc->caps & CTS_SATA_CAPS_H_DMAAA)) != 1043 (!(ident_buf->sataenabled & ATA_SUPPORT_AUTOACTIVATE))) { 1044 PROBE_SET_ACTION(softc, PROBE_SETDMAAA); 1045 xpt_release_ccb(done_ccb); 1046 xpt_schedule(periph, priority); 1047 goto out; 1048 } 1049 /* FALLTHROUGH */ 1050 case PROBE_SETDMAAA: 1051 if (path->device->protocol != PROTO_ATA && 1052 (ident_buf->satasupport & ATA_SUPPORT_ASYNCNOTIF) && 1053 (!(softc->caps & CTS_SATA_CAPS_H_AN)) != 1054 (!(ident_buf->sataenabled & ATA_SUPPORT_ASYNCNOTIF))) { 1055 PROBE_SET_ACTION(softc, PROBE_SETAN); 1056 xpt_release_ccb(done_ccb); 1057 xpt_schedule(periph, priority); 1058 goto out; 1059 } 1060 /* FALLTHROUGH */ 1061 case PROBE_SETAN: 1062notsata: 1063 if (path->device->protocol == PROTO_ATA) { 1064 PROBE_SET_ACTION(softc, PROBE_SET_MULTI); 1065 } else { 1066 PROBE_SET_ACTION(softc, PROBE_INQUIRY); 1067 } 1068 xpt_release_ccb(done_ccb); 1069 xpt_schedule(periph, priority); 1070 goto out; 1071 case PROBE_SET_MULTI: 1072 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1073 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1074 xpt_acquire_device(path->device); 1075 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1076 xpt_action(done_ccb); 1077 xpt_async(AC_FOUND_DEVICE, path, done_ccb); 1078 } 1079 PROBE_SET_ACTION(softc, PROBE_DONE); 1080 break; 1081 case PROBE_INQUIRY: 1082 case PROBE_FULL_INQUIRY: 1083 { 1084 u_int8_t periph_qual, len; 1085 1086 path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID; 1087 1088 periph_qual = SID_QUAL(inq_buf); 1089 1090 if (periph_qual != SID_QUAL_LU_CONNECTED && 1091 periph_qual != SID_QUAL_LU_OFFLINE) 1092 break; 1093 1094 /* 1095 * We conservatively request only 1096 * SHORT_INQUIRY_LEN bytes of inquiry 1097 * information during our first try 1098 * at sending an INQUIRY. If the device 1099 * has more information to give, 1100 * perform a second request specifying 1101 * the amount of information the device 1102 * is willing to give. 1103 */ 1104 len = inq_buf->additional_length 1105 + offsetof(struct scsi_inquiry_data, additional_length) + 1; 1106 if (softc->action == PROBE_INQUIRY 1107 && len > SHORT_INQUIRY_LENGTH) { 1108 PROBE_SET_ACTION(softc, PROBE_FULL_INQUIRY); 1109 xpt_release_ccb(done_ccb); 1110 xpt_schedule(periph, priority); 1111 goto out; 1112 } 1113 1114 ata_device_transport(path); 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, path, done_ccb); 1121 } 1122 PROBE_SET_ACTION(softc, PROBE_DONE); 1123 break; 1124 } 1125 case PROBE_PM_PID: 1126 if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) == 0) 1127 bzero(ident_buf, sizeof(*ident_buf)); 1128 softc->pm_pid = (done_ccb->ataio.res.lba_high << 24) + 1129 (done_ccb->ataio.res.lba_mid << 16) + 1130 (done_ccb->ataio.res.lba_low << 8) + 1131 done_ccb->ataio.res.sector_count; 1132 ((uint32_t *)ident_buf)[0] = softc->pm_pid; 1133 snprintf(ident_buf->model, sizeof(ident_buf->model), 1134 "Port Multiplier %08x", softc->pm_pid); 1135 PROBE_SET_ACTION(softc, PROBE_PM_PRV); 1136 xpt_release_ccb(done_ccb); 1137 xpt_schedule(periph, priority); 1138 goto out; 1139 case PROBE_PM_PRV: 1140 softc->pm_prv = (done_ccb->ataio.res.lba_high << 24) + 1141 (done_ccb->ataio.res.lba_mid << 16) + 1142 (done_ccb->ataio.res.lba_low << 8) + 1143 done_ccb->ataio.res.sector_count; 1144 ((uint32_t *)ident_buf)[1] = softc->pm_prv; 1145 snprintf(ident_buf->revision, sizeof(ident_buf->revision), 1146 "%04x", softc->pm_prv); 1147 path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 1148 ata_device_transport(path); 1149 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) 1150 proberequestdefaultnegotiation(periph); 1151 /* Set supported bits. */ 1152 bzero(&cts, sizeof(cts)); 1153 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1154 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1155 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1156 xpt_action((union ccb *)&cts); 1157 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1158 caps = cts.xport_specific.sata.caps & CTS_SATA_CAPS_H; 1159 else 1160 caps = 0; 1161 /* All PMPs must support PM requests. */ 1162 caps |= CTS_SATA_CAPS_D_PMREQ; 1163 /* Mask unwanted bits. */ 1164 bzero(&cts, sizeof(cts)); 1165 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1166 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 1167 cts.type = CTS_TYPE_USER_SETTINGS; 1168 xpt_action((union ccb *)&cts); 1169 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 1170 caps &= cts.xport_specific.sata.caps; 1171 else 1172 caps = 0; 1173 /* Remember what transport thinks about AEN. */ 1174 if ((caps & CTS_SATA_CAPS_H_AN) && path->device->protocol != PROTO_ATA) 1175 path->device->inq_flags |= SID_AEN; 1176 else 1177 path->device->inq_flags &= ~SID_AEN; 1178 /* Store result to SIM. */ 1179 bzero(&cts, sizeof(cts)); 1180 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1181 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1182 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1183 cts.xport_specific.sata.caps = caps; 1184 cts.xport_specific.sata.valid = CTS_SATA_VALID_CAPS; 1185 xpt_action((union ccb *)&cts); 1186 softc->caps = caps; 1187 xpt_async(AC_GETDEV_CHANGED, path, NULL); 1188 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1189 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1190 xpt_acquire_device(path->device); 1191 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1192 xpt_action(done_ccb); 1193 xpt_async(AC_FOUND_DEVICE, path, done_ccb); 1194 } else { 1195 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1196 xpt_action(done_ccb); 1197 xpt_async(AC_SCSI_AEN, path, done_ccb); 1198 } 1199 PROBE_SET_ACTION(softc, PROBE_DONE); 1200 break; 1201 case PROBE_IDENTIFY_SES: 1202 case PROBE_IDENTIFY_SAFTE: 1203 if ((periph->path->device->flags & CAM_DEV_UNCONFIGURED) == 0) { 1204 /* Check that it is the same device. */ 1205 if (bcmp(&softc->ident_data, ident_buf, 53)) { 1206 /* Device changed. */ 1207 xpt_async(AC_LOST_DEVICE, path, NULL); 1208 } else { 1209 bcopy(&softc->ident_data, ident_buf, sizeof(struct ata_params)); 1210 changed = 0; 1211 } 1212 } 1213 if (changed) { 1214 bcopy(&softc->ident_data, ident_buf, sizeof(struct ata_params)); 1215 /* Clean up from previous instance of this device */ 1216 if (path->device->device_id != NULL) { 1217 free(path->device->device_id, M_CAMXPT); 1218 path->device->device_id = NULL; 1219 path->device->device_id_len = 0; 1220 } 1221 path->device->device_id = 1222 malloc(16, M_CAMXPT, M_NOWAIT); 1223 if (path->device->device_id != NULL) { 1224 path->device->device_id_len = 16; 1225 bcopy(&fake_device_id_hdr, 1226 path->device->device_id, 8); 1227 bcopy(((uint8_t*)ident_buf) + 2, 1228 path->device->device_id + 8, 8); 1229 } 1230 1231 path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID; 1232 } 1233 ata_device_transport(path); 1234 if (changed) 1235 proberequestdefaultnegotiation(periph); 1236 1237 if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) { 1238 path->device->flags &= ~CAM_DEV_UNCONFIGURED; 1239 xpt_acquire_device(path->device); 1240 done_ccb->ccb_h.func_code = XPT_GDEV_TYPE; 1241 xpt_action(done_ccb); 1242 xpt_async(AC_FOUND_DEVICE, path, done_ccb); 1243 } 1244 PROBE_SET_ACTION(softc, PROBE_DONE); 1245 break; 1246 default: 1247 panic("probedone: invalid action state 0x%x\n", softc->action); 1248 } 1249done: 1250 if (softc->restart) { 1251 softc->restart = 0; 1252 xpt_release_ccb(done_ccb); 1253 probeschedule(periph); 1254 goto out; 1255 } 1256 xpt_release_ccb(done_ccb); 1257 CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe completed\n")); 1258 while ((done_ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs))) { 1259 TAILQ_REMOVE(&softc->request_ccbs, 1260 &done_ccb->ccb_h, periph_links.tqe); 1261 done_ccb->ccb_h.status = found ? CAM_REQ_CMP : CAM_REQ_CMP_ERR; 1262 xpt_done(done_ccb); 1263 } 1264 /* Drop freeze taken due to CAM_DEV_QFREEZE flag set. */ 1265 cam_release_devq(path, 0, 0, 0, FALSE); 1266 cam_periph_invalidate(periph); 1267 cam_periph_release_locked(periph); 1268} 1269 1270static void 1271probecleanup(struct cam_periph *periph) 1272{ 1273 free(periph->softc, M_CAMXPT); 1274} 1275 1276static void 1277ata_find_quirk(struct cam_ed *device) 1278{ 1279 struct ata_quirk_entry *quirk; 1280 caddr_t match; 1281 1282 match = cam_quirkmatch((caddr_t)&device->ident_data, 1283 (caddr_t)ata_quirk_table, 1284 nitems(ata_quirk_table), 1285 sizeof(*ata_quirk_table), ata_identify_match); 1286 1287 if (match == NULL) 1288 panic("xpt_find_quirk: device didn't match wildcard entry!!"); 1289 1290 quirk = (struct ata_quirk_entry *)match; 1291 device->quirk = quirk; 1292 if (quirk->quirks & CAM_QUIRK_MAXTAGS) { 1293 device->mintags = quirk->mintags; 1294 device->maxtags = quirk->maxtags; 1295 } 1296} 1297 1298typedef struct { 1299 union ccb *request_ccb; 1300 struct ccb_pathinq *cpi; 1301 int counter; 1302} ata_scan_bus_info; 1303 1304/* 1305 * To start a scan, request_ccb is an XPT_SCAN_BUS ccb. 1306 * As the scan progresses, xpt_scan_bus is used as the 1307 * callback on completion function. 1308 */ 1309static void 1310ata_scan_bus(struct cam_periph *periph, union ccb *request_ccb) 1311{ 1312 struct cam_path *path; 1313 ata_scan_bus_info *scan_info; 1314 union ccb *work_ccb, *reset_ccb; 1315 struct mtx *mtx; 1316 cam_status status; 1317 1318 CAM_DEBUG(request_ccb->ccb_h.path, CAM_DEBUG_TRACE, 1319 ("xpt_scan_bus\n")); 1320 switch (request_ccb->ccb_h.func_code) { 1321 case XPT_SCAN_BUS: 1322 case XPT_SCAN_TGT: 1323 /* Find out the characteristics of the bus */ 1324 work_ccb = xpt_alloc_ccb_nowait(); 1325 if (work_ccb == NULL) { 1326 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1327 xpt_done(request_ccb); 1328 return; 1329 } 1330 xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path, 1331 request_ccb->ccb_h.pinfo.priority); 1332 work_ccb->ccb_h.func_code = XPT_PATH_INQ; 1333 xpt_action(work_ccb); 1334 if (work_ccb->ccb_h.status != CAM_REQ_CMP) { 1335 request_ccb->ccb_h.status = work_ccb->ccb_h.status; 1336 xpt_free_ccb(work_ccb); 1337 xpt_done(request_ccb); 1338 return; 1339 } 1340 1341 /* We may need to reset bus first, if we haven't done it yet. */ 1342 if ((work_ccb->cpi.hba_inquiry & 1343 (PI_WIDE_32|PI_WIDE_16|PI_SDTR_ABLE)) && 1344 !(work_ccb->cpi.hba_misc & PIM_NOBUSRESET) && 1345 !timevalisset(&request_ccb->ccb_h.path->bus->last_reset)) { 1346 reset_ccb = xpt_alloc_ccb_nowait(); 1347 if (reset_ccb == NULL) { 1348 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1349 xpt_free_ccb(work_ccb); 1350 xpt_done(request_ccb); 1351 return; 1352 } 1353 xpt_setup_ccb(&reset_ccb->ccb_h, request_ccb->ccb_h.path, 1354 CAM_PRIORITY_NONE); 1355 reset_ccb->ccb_h.func_code = XPT_RESET_BUS; 1356 xpt_action(reset_ccb); 1357 if (reset_ccb->ccb_h.status != CAM_REQ_CMP) { 1358 request_ccb->ccb_h.status = reset_ccb->ccb_h.status; 1359 xpt_free_ccb(reset_ccb); 1360 xpt_free_ccb(work_ccb); 1361 xpt_done(request_ccb); 1362 return; 1363 } 1364 xpt_free_ccb(reset_ccb); 1365 } 1366 1367 /* Save some state for use while we probe for devices */ 1368 scan_info = (ata_scan_bus_info *) 1369 malloc(sizeof(ata_scan_bus_info), M_CAMXPT, M_NOWAIT); 1370 if (scan_info == NULL) { 1371 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1372 xpt_free_ccb(work_ccb); 1373 xpt_done(request_ccb); 1374 return; 1375 } 1376 scan_info->request_ccb = request_ccb; 1377 scan_info->cpi = &work_ccb->cpi; 1378 /* If PM supported, probe it first. */ 1379 if (scan_info->cpi->hba_inquiry & PI_SATAPM) 1380 scan_info->counter = scan_info->cpi->max_target; 1381 else 1382 scan_info->counter = 0; 1383 1384 work_ccb = xpt_alloc_ccb_nowait(); 1385 if (work_ccb == NULL) { 1386 free(scan_info, M_CAMXPT); 1387 request_ccb->ccb_h.status = CAM_RESRC_UNAVAIL; 1388 xpt_done(request_ccb); 1389 break; 1390 } 1391 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 1392 goto scan_next; 1393 case XPT_SCAN_LUN: 1394 work_ccb = request_ccb; 1395 /* Reuse the same CCB to query if a device was really found */ 1396 scan_info = (ata_scan_bus_info *)work_ccb->ccb_h.ppriv_ptr0; 1397 mtx = xpt_path_mtx(scan_info->request_ccb->ccb_h.path); 1398 mtx_lock(mtx); 1399 /* If there is PMP... */ 1400 if ((scan_info->cpi->hba_inquiry & PI_SATAPM) && 1401 (scan_info->counter == scan_info->cpi->max_target)) { 1402 if (work_ccb->ccb_h.status == CAM_REQ_CMP) { 1403 /* everything else will be probed by it */ 1404 /* Free the current request path- we're done with it. */ 1405 xpt_free_path(work_ccb->ccb_h.path); 1406 goto done; 1407 } else { 1408 struct ccb_trans_settings cts; 1409 1410 /* Report SIM that PM is absent. */ 1411 bzero(&cts, sizeof(cts)); 1412 xpt_setup_ccb(&cts.ccb_h, 1413 work_ccb->ccb_h.path, CAM_PRIORITY_NONE); 1414 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1415 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1416 cts.xport_specific.sata.pm_present = 0; 1417 cts.xport_specific.sata.valid = CTS_SATA_VALID_PM; 1418 xpt_action((union ccb *)&cts); 1419 } 1420 } 1421 /* Free the current request path- we're done with it. */ 1422 xpt_free_path(work_ccb->ccb_h.path); 1423 if (scan_info->counter == 1424 ((scan_info->cpi->hba_inquiry & PI_SATAPM) ? 1425 0 : scan_info->cpi->max_target)) { 1426done: 1427 mtx_unlock(mtx); 1428 xpt_free_ccb(work_ccb); 1429 xpt_free_ccb((union ccb *)scan_info->cpi); 1430 request_ccb = scan_info->request_ccb; 1431 free(scan_info, M_CAMXPT); 1432 request_ccb->ccb_h.status = CAM_REQ_CMP; 1433 xpt_done(request_ccb); 1434 break; 1435 } 1436 /* Take next device. Wrap from max (PMP) to 0. */ 1437 scan_info->counter = (scan_info->counter + 1 ) % 1438 (scan_info->cpi->max_target + 1); 1439scan_next: 1440 status = xpt_create_path(&path, NULL, 1441 scan_info->request_ccb->ccb_h.path_id, 1442 scan_info->counter, 0); 1443 if (status != CAM_REQ_CMP) { 1444 if (request_ccb->ccb_h.func_code == XPT_SCAN_LUN) 1445 mtx_unlock(mtx); 1446 printf("xpt_scan_bus: xpt_create_path failed" 1447 " with status %#x, bus scan halted\n", 1448 status); 1449 xpt_free_ccb(work_ccb); 1450 xpt_free_ccb((union ccb *)scan_info->cpi); 1451 request_ccb = scan_info->request_ccb; 1452 free(scan_info, M_CAMXPT); 1453 request_ccb->ccb_h.status = status; 1454 xpt_done(request_ccb); 1455 break; 1456 } 1457 xpt_setup_ccb(&work_ccb->ccb_h, path, 1458 scan_info->request_ccb->ccb_h.pinfo.priority); 1459 work_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1460 work_ccb->ccb_h.cbfcnp = ata_scan_bus; 1461 work_ccb->ccb_h.flags |= CAM_UNLOCKED; 1462 work_ccb->ccb_h.ppriv_ptr0 = scan_info; 1463 work_ccb->crcn.flags = scan_info->request_ccb->crcn.flags; 1464 mtx_unlock(mtx); 1465 if (request_ccb->ccb_h.func_code == XPT_SCAN_LUN) 1466 mtx = NULL; 1467 xpt_action(work_ccb); 1468 if (mtx != NULL) 1469 mtx_lock(mtx); 1470 break; 1471 default: 1472 break; 1473 } 1474} 1475 1476static void 1477ata_scan_lun(struct cam_periph *periph, struct cam_path *path, 1478 cam_flags flags, union ccb *request_ccb) 1479{ 1480 struct ccb_pathinq cpi; 1481 cam_status status; 1482 struct cam_path *new_path; 1483 struct cam_periph *old_periph; 1484 int lock; 1485 1486 CAM_DEBUG(path, CAM_DEBUG_TRACE, ("xpt_scan_lun\n")); 1487 1488 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 1489 cpi.ccb_h.func_code = XPT_PATH_INQ; 1490 xpt_action((union ccb *)&cpi); 1491 1492 if (cpi.ccb_h.status != CAM_REQ_CMP) { 1493 if (request_ccb != NULL) { 1494 request_ccb->ccb_h.status = cpi.ccb_h.status; 1495 xpt_done(request_ccb); 1496 } 1497 return; 1498 } 1499 1500 if (request_ccb == NULL) { 1501 request_ccb = xpt_alloc_ccb_nowait(); 1502 if (request_ccb == NULL) { 1503 xpt_print(path, "xpt_scan_lun: can't allocate CCB, " 1504 "can't continue\n"); 1505 return; 1506 } 1507 status = xpt_create_path(&new_path, NULL, 1508 path->bus->path_id, 1509 path->target->target_id, 1510 path->device->lun_id); 1511 if (status != CAM_REQ_CMP) { 1512 xpt_print(path, "xpt_scan_lun: can't create path, " 1513 "can't continue\n"); 1514 xpt_free_ccb(request_ccb); 1515 return; 1516 } 1517 xpt_setup_ccb(&request_ccb->ccb_h, new_path, CAM_PRIORITY_XPT); 1518 request_ccb->ccb_h.cbfcnp = xptscandone; 1519 request_ccb->ccb_h.flags |= CAM_UNLOCKED; 1520 request_ccb->ccb_h.func_code = XPT_SCAN_LUN; 1521 request_ccb->crcn.flags = flags; 1522 } 1523 1524 lock = (xpt_path_owned(path) == 0); 1525 if (lock) 1526 xpt_path_lock(path); 1527 if ((old_periph = cam_periph_find(path, "aprobe")) != NULL) { 1528 if ((old_periph->flags & CAM_PERIPH_INVALID) == 0) { 1529 probe_softc *softc; 1530 1531 softc = (probe_softc *)old_periph->softc; 1532 TAILQ_INSERT_TAIL(&softc->request_ccbs, 1533 &request_ccb->ccb_h, periph_links.tqe); 1534 softc->restart = 1; 1535 } else { 1536 request_ccb->ccb_h.status = CAM_REQ_CMP_ERR; 1537 xpt_done(request_ccb); 1538 } 1539 } else { 1540 status = cam_periph_alloc(proberegister, NULL, probecleanup, 1541 probestart, "aprobe", 1542 CAM_PERIPH_BIO, 1543 request_ccb->ccb_h.path, NULL, 0, 1544 request_ccb); 1545 1546 if (status != CAM_REQ_CMP) { 1547 xpt_print(path, "xpt_scan_lun: cam_alloc_periph " 1548 "returned an error, can't continue probe\n"); 1549 request_ccb->ccb_h.status = status; 1550 xpt_done(request_ccb); 1551 } 1552 } 1553 if (lock) 1554 xpt_path_unlock(path); 1555} 1556 1557static void 1558xptscandone(struct cam_periph *periph, union ccb *done_ccb) 1559{ 1560 1561 xpt_free_path(done_ccb->ccb_h.path); 1562 xpt_free_ccb(done_ccb); 1563} 1564 1565static struct cam_ed * 1566ata_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id) 1567{ 1568 struct ata_quirk_entry *quirk; 1569 struct cam_ed *device; 1570 1571 device = xpt_alloc_device(bus, target, lun_id); 1572 if (device == NULL) 1573 return (NULL); 1574 1575 /* 1576 * Take the default quirk entry until we have inquiry 1577 * data and can determine a better quirk to use. 1578 */ 1579 quirk = &ata_quirk_table[nitems(ata_quirk_table) - 1]; 1580 device->quirk = (void *)quirk; 1581 device->mintags = 0; 1582 device->maxtags = 0; 1583 bzero(&device->inq_data, sizeof(device->inq_data)); 1584 device->inq_flags = 0; 1585 device->queue_flags = 0; 1586 device->serial_num = NULL; 1587 device->serial_num_len = 0; 1588 return (device); 1589} 1590 1591static void 1592ata_device_transport(struct cam_path *path) 1593{ 1594 struct ccb_pathinq cpi; 1595 struct ccb_trans_settings cts; 1596 struct scsi_inquiry_data *inq_buf = NULL; 1597 struct ata_params *ident_buf = NULL; 1598 1599 /* Get transport information from the SIM */ 1600 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 1601 cpi.ccb_h.func_code = XPT_PATH_INQ; 1602 xpt_action((union ccb *)&cpi); 1603 1604 path->device->transport = cpi.transport; 1605 if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0) 1606 inq_buf = &path->device->inq_data; 1607 if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) != 0) 1608 ident_buf = &path->device->ident_data; 1609 if (path->device->protocol == PROTO_ATA) { 1610 path->device->protocol_version = ident_buf ? 1611 ata_version(ident_buf->version_major) : cpi.protocol_version; 1612 } else if (path->device->protocol == PROTO_SCSI) { 1613 path->device->protocol_version = inq_buf ? 1614 SID_ANSI_REV(inq_buf) : cpi.protocol_version; 1615 } 1616 path->device->transport_version = ident_buf ? 1617 ata_version(ident_buf->version_major) : cpi.transport_version; 1618 1619 /* Tell the controller what we think */ 1620 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NONE); 1621 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 1622 cts.type = CTS_TYPE_CURRENT_SETTINGS; 1623 cts.transport = path->device->transport; 1624 cts.transport_version = path->device->transport_version; 1625 cts.protocol = path->device->protocol; 1626 cts.protocol_version = path->device->protocol_version; 1627 cts.proto_specific.valid = 0; 1628 if (ident_buf) { 1629 if (path->device->transport == XPORT_ATA) { 1630 cts.xport_specific.ata.atapi = 1631 (ident_buf->config == ATA_PROTO_CFA) ? 0 : 1632 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_16) ? 16 : 1633 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_12) ? 12 : 0; 1634 cts.xport_specific.ata.valid = CTS_ATA_VALID_ATAPI; 1635 } else { 1636 cts.xport_specific.sata.atapi = 1637 (ident_buf->config == ATA_PROTO_CFA) ? 0 : 1638 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_16) ? 16 : 1639 ((ident_buf->config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_12) ? 12 : 0; 1640 cts.xport_specific.sata.valid = CTS_SATA_VALID_ATAPI; 1641 } 1642 } else 1643 cts.xport_specific.valid = 0; 1644 xpt_action((union ccb *)&cts); 1645} 1646 1647static void 1648ata_dev_advinfo(union ccb *start_ccb) 1649{ 1650 struct cam_ed *device; 1651 struct ccb_dev_advinfo *cdai; 1652 off_t amt; 1653 1654 start_ccb->ccb_h.status = CAM_REQ_INVALID; 1655 device = start_ccb->ccb_h.path->device; 1656 cdai = &start_ccb->cdai; 1657 switch(cdai->buftype) { 1658 case CDAI_TYPE_SCSI_DEVID: 1659 if (cdai->flags & CDAI_FLAG_STORE) 1660 return; 1661 cdai->provsiz = device->device_id_len; 1662 if (device->device_id_len == 0) 1663 break; 1664 amt = device->device_id_len; 1665 if (cdai->provsiz > cdai->bufsiz) 1666 amt = cdai->bufsiz; 1667 memcpy(cdai->buf, device->device_id, amt); 1668 break; 1669 case CDAI_TYPE_SERIAL_NUM: 1670 if (cdai->flags & CDAI_FLAG_STORE) 1671 return; 1672 cdai->provsiz = device->serial_num_len; 1673 if (device->serial_num_len == 0) 1674 break; 1675 amt = device->serial_num_len; 1676 if (cdai->provsiz > cdai->bufsiz) 1677 amt = cdai->bufsiz; 1678 memcpy(cdai->buf, device->serial_num, amt); 1679 break; 1680 case CDAI_TYPE_PHYS_PATH: 1681 if (cdai->flags & CDAI_FLAG_STORE) { 1682 if (device->physpath != NULL) 1683 free(device->physpath, M_CAMXPT); 1684 device->physpath_len = cdai->bufsiz; 1685 /* Clear existing buffer if zero length */ 1686 if (cdai->bufsiz == 0) 1687 break; 1688 device->physpath = malloc(cdai->bufsiz, M_CAMXPT, M_NOWAIT); 1689 if (device->physpath == NULL) { 1690 start_ccb->ccb_h.status = CAM_REQ_ABORTED; 1691 return; 1692 } 1693 memcpy(device->physpath, cdai->buf, cdai->bufsiz); 1694 } else { 1695 cdai->provsiz = device->physpath_len; 1696 if (device->physpath_len == 0) 1697 break; 1698 amt = device->physpath_len; 1699 if (cdai->provsiz > cdai->bufsiz) 1700 amt = cdai->bufsiz; 1701 memcpy(cdai->buf, device->physpath, amt); 1702 } 1703 break; 1704 default: 1705 return; 1706 } 1707 start_ccb->ccb_h.status = CAM_REQ_CMP; 1708 1709 if (cdai->flags & CDAI_FLAG_STORE) { 1710 xpt_async(AC_ADVINFO_CHANGED, start_ccb->ccb_h.path, 1711 (void *)(uintptr_t)cdai->buftype); 1712 } 1713} 1714 1715static void 1716ata_action(union ccb *start_ccb) 1717{ 1718 1719 switch (start_ccb->ccb_h.func_code) { 1720 case XPT_SET_TRAN_SETTINGS: 1721 { 1722 ata_set_transfer_settings(&start_ccb->cts, 1723 start_ccb->ccb_h.path, 1724 /*async_update*/FALSE); 1725 break; 1726 } 1727 case XPT_SCAN_BUS: 1728 case XPT_SCAN_TGT: 1729 ata_scan_bus(start_ccb->ccb_h.path->periph, start_ccb); 1730 break; 1731 case XPT_SCAN_LUN: 1732 ata_scan_lun(start_ccb->ccb_h.path->periph, 1733 start_ccb->ccb_h.path, start_ccb->crcn.flags, 1734 start_ccb); 1735 break; 1736 case XPT_GET_TRAN_SETTINGS: 1737 { 1738 ata_get_transfer_settings(&start_ccb->cts); 1739 break; 1740 } 1741 case XPT_SCSI_IO: 1742 { 1743 struct cam_ed *device; 1744 u_int maxlen = 0; 1745 1746 device = start_ccb->ccb_h.path->device; 1747 if (device->protocol == PROTO_SCSI && 1748 (device->flags & CAM_DEV_IDENTIFY_DATA_VALID)) { 1749 uint16_t p = 1750 device->ident_data.config & ATA_PROTO_MASK; 1751 1752 maxlen = 1753 (device->ident_data.config == ATA_PROTO_CFA) ? 0 : 1754 (p == ATA_PROTO_ATAPI_16) ? 16 : 1755 (p == ATA_PROTO_ATAPI_12) ? 12 : 0; 1756 } 1757 if (start_ccb->csio.cdb_len > maxlen) { 1758 start_ccb->ccb_h.status = CAM_REQ_INVALID; 1759 xpt_done(start_ccb); 1760 break; 1761 } 1762 xpt_action_default(start_ccb); 1763 break; 1764 } 1765 case XPT_DEV_ADVINFO: 1766 { 1767 ata_dev_advinfo(start_ccb); 1768 break; 1769 } 1770 default: 1771 xpt_action_default(start_ccb); 1772 break; 1773 } 1774} 1775 1776static void 1777ata_get_transfer_settings(struct ccb_trans_settings *cts) 1778{ 1779 struct ccb_trans_settings_ata *ata; 1780 struct ccb_trans_settings_scsi *scsi; 1781 struct cam_ed *device; 1782 1783 device = cts->ccb_h.path->device; 1784 xpt_action_default((union ccb *)cts); 1785 1786 if (cts->protocol == PROTO_UNKNOWN || 1787 cts->protocol == PROTO_UNSPECIFIED) { 1788 cts->protocol = device->protocol; 1789 cts->protocol_version = device->protocol_version; 1790 } 1791 1792 if (cts->protocol == PROTO_ATA) { 1793 ata = &cts->proto_specific.ata; 1794 if ((ata->valid & CTS_ATA_VALID_TQ) == 0) { 1795 ata->valid |= CTS_ATA_VALID_TQ; 1796 if (cts->type == CTS_TYPE_USER_SETTINGS || 1797 (device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 || 1798 (device->inq_flags & SID_CmdQue) != 0) 1799 ata->flags |= CTS_ATA_FLAGS_TAG_ENB; 1800 } 1801 } 1802 if (cts->protocol == PROTO_SCSI) { 1803 scsi = &cts->proto_specific.scsi; 1804 if ((scsi->valid & CTS_SCSI_VALID_TQ) == 0) { 1805 scsi->valid |= CTS_SCSI_VALID_TQ; 1806 if (cts->type == CTS_TYPE_USER_SETTINGS || 1807 (device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 || 1808 (device->inq_flags & SID_CmdQue) != 0) 1809 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 1810 } 1811 } 1812 1813 if (cts->transport == XPORT_UNKNOWN || 1814 cts->transport == XPORT_UNSPECIFIED) { 1815 cts->transport = device->transport; 1816 cts->transport_version = device->transport_version; 1817 } 1818} 1819 1820static void 1821ata_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_path *path, 1822 int async_update) 1823{ 1824 struct ccb_pathinq cpi; 1825 struct ccb_trans_settings_ata *ata; 1826 struct ccb_trans_settings_scsi *scsi; 1827 struct ata_params *ident_data; 1828 struct scsi_inquiry_data *inq_data; 1829 struct cam_ed *device; 1830 1831 if (path == NULL || (device = path->device) == NULL) { 1832 cts->ccb_h.status = CAM_PATH_INVALID; 1833 xpt_done((union ccb *)cts); 1834 return; 1835 } 1836 1837 if (cts->protocol == PROTO_UNKNOWN 1838 || cts->protocol == PROTO_UNSPECIFIED) { 1839 cts->protocol = device->protocol; 1840 cts->protocol_version = device->protocol_version; 1841 } 1842 1843 if (cts->protocol_version == PROTO_VERSION_UNKNOWN 1844 || cts->protocol_version == PROTO_VERSION_UNSPECIFIED) 1845 cts->protocol_version = device->protocol_version; 1846 1847 if (cts->protocol != device->protocol) { 1848 xpt_print(path, "Uninitialized Protocol %x:%x?\n", 1849 cts->protocol, device->protocol); 1850 cts->protocol = device->protocol; 1851 } 1852 1853 if (cts->protocol_version > device->protocol_version) { 1854 if (bootverbose) { 1855 xpt_print(path, "Down reving Protocol " 1856 "Version from %d to %d?\n", cts->protocol_version, 1857 device->protocol_version); 1858 } 1859 cts->protocol_version = device->protocol_version; 1860 } 1861 1862 if (cts->transport == XPORT_UNKNOWN 1863 || cts->transport == XPORT_UNSPECIFIED) { 1864 cts->transport = device->transport; 1865 cts->transport_version = device->transport_version; 1866 } 1867 1868 if (cts->transport_version == XPORT_VERSION_UNKNOWN 1869 || cts->transport_version == XPORT_VERSION_UNSPECIFIED) 1870 cts->transport_version = device->transport_version; 1871 1872 if (cts->transport != device->transport) { 1873 xpt_print(path, "Uninitialized Transport %x:%x?\n", 1874 cts->transport, device->transport); 1875 cts->transport = device->transport; 1876 } 1877 1878 if (cts->transport_version > device->transport_version) { 1879 if (bootverbose) { 1880 xpt_print(path, "Down reving Transport " 1881 "Version from %d to %d?\n", cts->transport_version, 1882 device->transport_version); 1883 } 1884 cts->transport_version = device->transport_version; 1885 } 1886 1887 ident_data = &device->ident_data; 1888 inq_data = &device->inq_data; 1889 if (cts->protocol == PROTO_ATA) 1890 ata = &cts->proto_specific.ata; 1891 else 1892 ata = NULL; 1893 if (cts->protocol == PROTO_SCSI) 1894 scsi = &cts->proto_specific.scsi; 1895 else 1896 scsi = NULL; 1897 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE); 1898 cpi.ccb_h.func_code = XPT_PATH_INQ; 1899 xpt_action((union ccb *)&cpi); 1900 1901 /* Sanity checking */ 1902 if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0 1903 || (ata && (ident_data->satacapabilities & ATA_SUPPORT_NCQ) == 0) 1904 || (scsi && (INQ_DATA_TQ_ENABLED(inq_data)) == 0) 1905 || (device->queue_flags & SCP_QUEUE_DQUE) != 0 1906 || (device->mintags == 0)) { 1907 /* 1908 * Can't tag on hardware that doesn't support tags, 1909 * doesn't have it enabled, or has broken tag support. 1910 */ 1911 if (ata) 1912 ata->flags &= ~CTS_ATA_FLAGS_TAG_ENB; 1913 if (scsi) 1914 scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB; 1915 } 1916 1917 /* Start/stop tags use. */ 1918 if (cts->type == CTS_TYPE_CURRENT_SETTINGS && 1919 ((ata && (ata->valid & CTS_ATA_VALID_TQ) != 0) || 1920 (scsi && (scsi->valid & CTS_SCSI_VALID_TQ) != 0))) { 1921 int nowt, newt = 0; 1922 1923 nowt = ((device->flags & CAM_DEV_TAG_AFTER_COUNT) != 0 || 1924 (device->inq_flags & SID_CmdQue) != 0); 1925 if (ata) 1926 newt = (ata->flags & CTS_ATA_FLAGS_TAG_ENB) != 0; 1927 if (scsi) 1928 newt = (scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0; 1929 1930 if (newt && !nowt) { 1931 /* 1932 * Delay change to use tags until after a 1933 * few commands have gone to this device so 1934 * the controller has time to perform transfer 1935 * negotiations without tagged messages getting 1936 * in the way. 1937 */ 1938 device->tag_delay_count = CAM_TAG_DELAY_COUNT; 1939 device->flags |= CAM_DEV_TAG_AFTER_COUNT; 1940 } else if (nowt && !newt) 1941 xpt_stop_tags(path); 1942 } 1943 1944 if (async_update == FALSE) 1945 xpt_action_default((union ccb *)cts); 1946} 1947 1948/* 1949 * Handle any per-device event notifications that require action by the XPT. 1950 */ 1951static void 1952ata_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target, 1953 struct cam_ed *device, void *async_arg) 1954{ 1955 cam_status status; 1956 struct cam_path newpath; 1957 1958 /* 1959 * We only need to handle events for real devices. 1960 */ 1961 if (target->target_id == CAM_TARGET_WILDCARD 1962 || device->lun_id == CAM_LUN_WILDCARD) 1963 return; 1964 1965 /* 1966 * We need our own path with wildcards expanded to 1967 * handle certain types of events. 1968 */ 1969 if ((async_code == AC_SENT_BDR) 1970 || (async_code == AC_BUS_RESET) 1971 || (async_code == AC_INQ_CHANGED)) 1972 status = xpt_compile_path(&newpath, NULL, 1973 bus->path_id, 1974 target->target_id, 1975 device->lun_id); 1976 else 1977 status = CAM_REQ_CMP_ERR; 1978 1979 if (status == CAM_REQ_CMP) { 1980 if (async_code == AC_INQ_CHANGED) { 1981 /* 1982 * We've sent a start unit command, or 1983 * something similar to a device that 1984 * may have caused its inquiry data to 1985 * change. So we re-scan the device to 1986 * refresh the inquiry data for it. 1987 */ 1988 ata_scan_lun(newpath.periph, &newpath, 1989 CAM_EXPECT_INQ_CHANGE, NULL); 1990 } else { 1991 /* We need to reinitialize device after reset. */ 1992 ata_scan_lun(newpath.periph, &newpath, 1993 0, NULL); 1994 } 1995 xpt_release_path(&newpath); 1996 } else if (async_code == AC_LOST_DEVICE && 1997 (device->flags & CAM_DEV_UNCONFIGURED) == 0) { 1998 device->flags |= CAM_DEV_UNCONFIGURED; 1999 xpt_release_device(device); 2000 } else if (async_code == AC_TRANSFER_NEG) { 2001 struct ccb_trans_settings *settings; 2002 struct cam_path path; 2003 2004 settings = (struct ccb_trans_settings *)async_arg; 2005 xpt_compile_path(&path, NULL, bus->path_id, target->target_id, 2006 device->lun_id); 2007 ata_set_transfer_settings(settings, &path, 2008 /*async_update*/TRUE); 2009 xpt_release_path(&path); 2010 } 2011} 2012 2013static void 2014ata_announce_periph(struct cam_periph *periph) 2015{ 2016 struct ccb_pathinq cpi; 2017 struct ccb_trans_settings cts; 2018 struct cam_path *path = periph->path; 2019 u_int speed; 2020 u_int mb; 2021 2022 cam_periph_assert(periph, MA_OWNED); 2023 2024 xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL); 2025 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 2026 cts.type = CTS_TYPE_CURRENT_SETTINGS; 2027 xpt_action((union ccb*)&cts); 2028 if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) 2029 return; 2030 /* Ask the SIM for its base transfer speed */ 2031 xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL); 2032 cpi.ccb_h.func_code = XPT_PATH_INQ; 2033 xpt_action((union ccb *)&cpi); 2034 /* Report connection speed */ 2035 speed = cpi.base_transfer_speed; 2036 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_ATA) { 2037 struct ccb_trans_settings_pata *pata = 2038 &cts.xport_specific.ata; 2039 2040 if (pata->valid & CTS_ATA_VALID_MODE) 2041 speed = ata_mode2speed(pata->mode); 2042 } 2043 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SATA) { 2044 struct ccb_trans_settings_sata *sata = 2045 &cts.xport_specific.sata; 2046 2047 if (sata->valid & CTS_SATA_VALID_REVISION) 2048 speed = ata_revision2speed(sata->revision); 2049 } 2050 mb = speed / 1000; 2051 if (mb > 0) 2052 printf("%s%d: %d.%03dMB/s transfers", 2053 periph->periph_name, periph->unit_number, 2054 mb, speed % 1000); 2055 else 2056 printf("%s%d: %dKB/s transfers", periph->periph_name, 2057 periph->unit_number, speed); 2058 /* Report additional information about connection */ 2059 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_ATA) { 2060 struct ccb_trans_settings_pata *pata = 2061 &cts.xport_specific.ata; 2062 2063 printf(" ("); 2064 if (pata->valid & CTS_ATA_VALID_MODE) 2065 printf("%s, ", ata_mode2string(pata->mode)); 2066 if ((pata->valid & CTS_ATA_VALID_ATAPI) && pata->atapi != 0) 2067 printf("ATAPI %dbytes, ", pata->atapi); 2068 if (pata->valid & CTS_ATA_VALID_BYTECOUNT) 2069 printf("PIO %dbytes", pata->bytecount); 2070 printf(")"); 2071 } 2072 if (cts.ccb_h.status == CAM_REQ_CMP && cts.transport == XPORT_SATA) { 2073 struct ccb_trans_settings_sata *sata = 2074 &cts.xport_specific.sata; 2075 2076 printf(" ("); 2077 if (sata->valid & CTS_SATA_VALID_REVISION) 2078 printf("SATA %d.x, ", sata->revision); 2079 else 2080 printf("SATA, "); 2081 if (sata->valid & CTS_SATA_VALID_MODE) 2082 printf("%s, ", ata_mode2string(sata->mode)); 2083 if ((sata->valid & CTS_ATA_VALID_ATAPI) && sata->atapi != 0) 2084 printf("ATAPI %dbytes, ", sata->atapi); 2085 if (sata->valid & CTS_SATA_VALID_BYTECOUNT) 2086 printf("PIO %dbytes", sata->bytecount); 2087 printf(")"); 2088 } 2089 printf("\n"); 2090} 2091