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