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 32 #ifdef _KERNEL 33 #include <sys/systm.h> 34 #include <sys/kernel.h> 35 #include <sys/bio.h> 36 #include <sys/sysctl.h> 37 #include <sys/taskqueue.h> 38 #include <sys/lock.h> 39 #include <sys/mutex.h> 40 #include <sys/conf.h> 41 #include <sys/devicestat.h> 42 #include <sys/eventhandler.h> 43 #include <sys/malloc.h> 44 #include <sys/cons.h> 45 #include <geom/geom_disk.h> 46 #endif /* _KERNEL */ 47 48 #ifndef _KERNEL 49 #include <stdio.h> 50 #include <string.h> 51 #endif /* _KERNEL */ 52 53 #include <cam/cam.h> 54 #include <cam/cam_ccb.h> 55 #include <cam/cam_periph.h> 56 #include <cam/cam_xpt_periph.h> 57 #include <cam/cam_xpt_internal.h> 58 #include <cam/cam_sim.h> 59 60 #include <cam/ata/ata_all.h> 61 62 #ifdef _KERNEL 63 64 typedef enum { 65 PMP_STATE_NORMAL, 66 PMP_STATE_PORTS, 67 PMP_STATE_PRECONFIG, 68 PMP_STATE_RESET, 69 PMP_STATE_CONNECT, 70 PMP_STATE_CHECK, 71 PMP_STATE_CLEAR, 72 PMP_STATE_CONFIG, 73 PMP_STATE_SCAN 74 } pmp_state; 75 76 typedef enum { 77 PMP_FLAG_SCTX_INIT = 0x200 78 } pmp_flags; 79 80 typedef enum { 81 PMP_CCB_PROBE = 0x01, 82 } pmp_ccb_state; 83 84 /* Offsets into our private area for storing information */ 85 #define ccb_state ppriv_field0 86 #define ccb_bp ppriv_ptr1 87 88 struct pmp_softc { 89 SLIST_ENTRY(pmp_softc) links; 90 pmp_state state; 91 pmp_flags flags; 92 uint32_t pm_pid; 93 uint32_t pm_prv; 94 int pm_ports; 95 int pm_step; 96 int pm_try; 97 int found; 98 int reset; 99 int frozen; 100 int restart; 101 int events; 102 #define PMP_EV_RESET 1 103 #define PMP_EV_RESCAN 2 104 u_int caps; 105 struct task sysctl_task; 106 struct sysctl_ctx_list sysctl_ctx; 107 struct sysctl_oid *sysctl_tree; 108 }; 109 110 static periph_init_t pmpinit; 111 static void pmpasync(void *callback_arg, u_int32_t code, 112 struct cam_path *path, void *arg); 113 static void pmpsysctlinit(void *context, int pending); 114 static periph_ctor_t pmpregister; 115 static periph_dtor_t pmpcleanup; 116 static periph_start_t pmpstart; 117 static periph_oninv_t pmponinvalidate; 118 static void pmpdone(struct cam_periph *periph, 119 union ccb *done_ccb); 120 121 #ifndef PMP_DEFAULT_TIMEOUT 122 #define PMP_DEFAULT_TIMEOUT 30 /* Timeout in seconds */ 123 #endif 124 125 #ifndef PMP_DEFAULT_RETRY 126 #define PMP_DEFAULT_RETRY 1 127 #endif 128 129 #ifndef PMP_DEFAULT_HIDE_SPECIAL 130 #define PMP_DEFAULT_HIDE_SPECIAL 1 131 #endif 132 133 static int pmp_retry_count = PMP_DEFAULT_RETRY; 134 static int pmp_default_timeout = PMP_DEFAULT_TIMEOUT; 135 static int pmp_hide_special = PMP_DEFAULT_HIDE_SPECIAL; 136 137 static SYSCTL_NODE(_kern_cam, OID_AUTO, pmp, CTLFLAG_RD, 0, 138 "CAM Direct Access Disk driver"); 139 SYSCTL_INT(_kern_cam_pmp, OID_AUTO, retry_count, CTLFLAG_RW, 140 &pmp_retry_count, 0, "Normal I/O retry count"); 141 TUNABLE_INT("kern.cam.pmp.retry_count", &pmp_retry_count); 142 SYSCTL_INT(_kern_cam_pmp, OID_AUTO, default_timeout, CTLFLAG_RW, 143 &pmp_default_timeout, 0, "Normal I/O timeout (in seconds)"); 144 TUNABLE_INT("kern.cam.pmp.default_timeout", &pmp_default_timeout); 145 SYSCTL_INT(_kern_cam_pmp, OID_AUTO, hide_special, CTLFLAG_RW, 146 &pmp_hide_special, 0, "Hide extra ports"); 147 TUNABLE_INT("kern.cam.pmp.hide_special", &pmp_hide_special); 148 149 static struct periph_driver pmpdriver = 150 { 151 pmpinit, "pmp", 152 TAILQ_HEAD_INITIALIZER(pmpdriver.units), /* generation */ 0, 153 CAM_PERIPH_DRV_EARLY 154 }; 155 156 PERIPHDRIVER_DECLARE(pmp, pmpdriver); 157 158 static MALLOC_DEFINE(M_ATPMP, "ata_pmp", "ata_pmp buffers"); 159 160 static void 161 pmpinit(void) 162 { 163 cam_status status; 164 165 /* 166 * Install a global async callback. This callback will 167 * receive async callbacks like "new device found". 168 */ 169 status = xpt_register_async(AC_FOUND_DEVICE, pmpasync, NULL, NULL); 170 171 if (status != CAM_REQ_CMP) { 172 printf("pmp: Failed to attach master async callback " 173 "due to status 0x%x!\n", status); 174 } 175 } 176 177 static void 178 pmpfreeze(struct cam_periph *periph, int mask) 179 { 180 struct pmp_softc *softc = (struct pmp_softc *)periph->softc; 181 struct cam_path *dpath; 182 int i; 183 184 mask &= ~softc->frozen; 185 for (i = 0; i < 15; i++) { 186 if ((mask & (1 << i)) == 0) 187 continue; 188 if (xpt_create_path(&dpath, periph, 189 xpt_path_path_id(periph->path), 190 i, 0) == CAM_REQ_CMP) { 191 softc->frozen |= (1 << i); 192 xpt_acquire_device(dpath->device); 193 cam_freeze_devq_arg(dpath, 194 RELSIM_RELEASE_RUNLEVEL, CAM_RL_BUS + 1); 195 xpt_free_path(dpath); 196 } 197 } 198 } 199 200 static void 201 pmprelease(struct cam_periph *periph, int mask) 202 { 203 struct pmp_softc *softc = (struct pmp_softc *)periph->softc; 204 struct cam_path *dpath; 205 int i; 206 207 mask &= softc->frozen; 208 for (i = 0; i < 15; i++) { 209 if ((mask & (1 << i)) == 0) 210 continue; 211 if (xpt_create_path(&dpath, periph, 212 xpt_path_path_id(periph->path), 213 i, 0) == CAM_REQ_CMP) { 214 softc->frozen &= ~(1 << i); 215 cam_release_devq(dpath, 216 RELSIM_RELEASE_RUNLEVEL, 0, CAM_RL_BUS + 1, FALSE); 217 xpt_release_device(dpath->device); 218 xpt_free_path(dpath); 219 } 220 } 221 } 222 223 static void 224 pmponinvalidate(struct cam_periph *periph) 225 { 226 struct cam_path *dpath; 227 int i; 228 229 /* 230 * De-register any async callbacks. 231 */ 232 xpt_register_async(0, pmpasync, periph, periph->path); 233 234 for (i = 0; i < 15; i++) { 235 if (xpt_create_path(&dpath, periph, 236 xpt_path_path_id(periph->path), 237 i, 0) == CAM_REQ_CMP) { 238 xpt_async(AC_LOST_DEVICE, dpath, NULL); 239 xpt_free_path(dpath); 240 } 241 } 242 pmprelease(periph, -1); 243 xpt_print(periph->path, "lost device\n"); 244 } 245 246 static void 247 pmpcleanup(struct cam_periph *periph) 248 { 249 struct pmp_softc *softc; 250 251 softc = (struct pmp_softc *)periph->softc; 252 253 xpt_print(periph->path, "removing device entry\n"); 254 cam_periph_unlock(periph); 255 256 /* 257 * If we can't free the sysctl tree, oh well... 258 */ 259 if ((softc->flags & PMP_FLAG_SCTX_INIT) != 0 260 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 261 xpt_print(periph->path, "can't remove sysctl context\n"); 262 } 263 264 free(softc, M_DEVBUF); 265 cam_periph_lock(periph); 266 } 267 268 static void 269 pmpasync(void *callback_arg, u_int32_t code, 270 struct cam_path *path, void *arg) 271 { 272 struct cam_periph *periph; 273 struct pmp_softc *softc; 274 275 periph = (struct cam_periph *)callback_arg; 276 switch (code) { 277 case AC_FOUND_DEVICE: 278 { 279 struct ccb_getdev *cgd; 280 cam_status status; 281 282 cgd = (struct ccb_getdev *)arg; 283 if (cgd == NULL) 284 break; 285 286 if (cgd->protocol != PROTO_SATAPM) 287 break; 288 289 /* 290 * Allocate a peripheral instance for 291 * this device and start the probe 292 * process. 293 */ 294 status = cam_periph_alloc(pmpregister, pmponinvalidate, 295 pmpcleanup, pmpstart, 296 "pmp", CAM_PERIPH_BIO, 297 cgd->ccb_h.path, pmpasync, 298 AC_FOUND_DEVICE, cgd); 299 300 if (status != CAM_REQ_CMP 301 && status != CAM_REQ_INPROG) 302 printf("pmpasync: Unable to attach to new device " 303 "due to status 0x%x\n", status); 304 break; 305 } 306 case AC_SCSI_AEN: 307 case AC_SENT_BDR: 308 case AC_BUS_RESET: 309 softc = (struct pmp_softc *)periph->softc; 310 cam_periph_async(periph, code, path, arg); 311 if (code == AC_SCSI_AEN) 312 softc->events |= PMP_EV_RESCAN; 313 else 314 softc->events |= PMP_EV_RESET; 315 if (code == AC_SCSI_AEN && softc->state != PMP_STATE_NORMAL) 316 break; 317 xpt_hold_boot(); 318 pmpfreeze(periph, softc->found); 319 if (code == AC_SENT_BDR || code == AC_BUS_RESET) 320 softc->found = 0; /* We have to reset everything. */ 321 if (softc->state == PMP_STATE_NORMAL) { 322 softc->state = PMP_STATE_PRECONFIG; 323 cam_periph_acquire(periph); 324 xpt_schedule(periph, CAM_PRIORITY_DEV); 325 } else 326 softc->restart = 1; 327 break; 328 default: 329 cam_periph_async(periph, code, path, arg); 330 break; 331 } 332 } 333 334 static void 335 pmpsysctlinit(void *context, int pending) 336 { 337 struct cam_periph *periph; 338 struct pmp_softc *softc; 339 char tmpstr[80], tmpstr2[80]; 340 341 periph = (struct cam_periph *)context; 342 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 343 return; 344 345 softc = (struct pmp_softc *)periph->softc; 346 snprintf(tmpstr, sizeof(tmpstr), "CAM PMP unit %d", periph->unit_number); 347 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 348 349 sysctl_ctx_init(&softc->sysctl_ctx); 350 softc->flags |= PMP_FLAG_SCTX_INIT; 351 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 352 SYSCTL_STATIC_CHILDREN(_kern_cam_pmp), OID_AUTO, tmpstr2, 353 CTLFLAG_RD, 0, tmpstr); 354 if (softc->sysctl_tree == NULL) { 355 printf("pmpsysctlinit: unable to allocate sysctl tree\n"); 356 cam_periph_release(periph); 357 return; 358 } 359 360 cam_periph_release(periph); 361 } 362 363 static cam_status 364 pmpregister(struct cam_periph *periph, void *arg) 365 { 366 struct pmp_softc *softc; 367 struct ccb_getdev *cgd; 368 369 cgd = (struct ccb_getdev *)arg; 370 if (cgd == NULL) { 371 printf("pmpregister: no getdev CCB, can't register device\n"); 372 return(CAM_REQ_CMP_ERR); 373 } 374 375 softc = (struct pmp_softc *)malloc(sizeof(*softc), M_DEVBUF, 376 M_NOWAIT|M_ZERO); 377 378 if (softc == NULL) { 379 printf("pmpregister: Unable to probe new device. " 380 "Unable to allocate softc\n"); 381 return(CAM_REQ_CMP_ERR); 382 } 383 periph->softc = softc; 384 385 softc->pm_pid = ((uint32_t *)&cgd->ident_data)[0]; 386 softc->pm_prv = ((uint32_t *)&cgd->ident_data)[1]; 387 TASK_INIT(&softc->sysctl_task, 0, pmpsysctlinit, periph); 388 389 xpt_announce_periph(periph, NULL); 390 391 /* 392 * Add async callbacks for bus reset and 393 * bus device reset calls. I don't bother 394 * checking if this fails as, in most cases, 395 * the system will function just fine without 396 * them and the only alternative would be to 397 * not attach the device on failure. 398 */ 399 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 400 AC_SCSI_AEN, pmpasync, periph, periph->path); 401 402 /* 403 * Take an exclusive refcount on the periph while pmpstart is called 404 * to finish the probe. The reference will be dropped in pmpdone at 405 * the end of probe. 406 */ 407 (void)cam_periph_acquire(periph); 408 xpt_hold_boot(); 409 softc->state = PMP_STATE_PORTS; 410 softc->events = PMP_EV_RESCAN; 411 xpt_schedule(periph, CAM_PRIORITY_DEV); 412 413 return(CAM_REQ_CMP); 414 } 415 416 static void 417 pmpstart(struct cam_periph *periph, union ccb *start_ccb) 418 { 419 struct ccb_trans_settings cts; 420 struct ccb_ataio *ataio; 421 struct pmp_softc *softc; 422 struct cam_path *dpath; 423 int revision = 0; 424 425 softc = (struct pmp_softc *)periph->softc; 426 ataio = &start_ccb->ataio; 427 428 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("pmpstart\n")); 429 430 if (softc->restart) { 431 softc->restart = 0; 432 softc->state = min(softc->state, PMP_STATE_PRECONFIG); 433 } 434 /* Fetch user wanted device speed. */ 435 if (softc->state == PMP_STATE_RESET || 436 softc->state == PMP_STATE_CONNECT) { 437 if (xpt_create_path(&dpath, periph, 438 xpt_path_path_id(periph->path), 439 softc->pm_step, 0) == CAM_REQ_CMP) { 440 bzero(&cts, sizeof(cts)); 441 xpt_setup_ccb(&cts.ccb_h, dpath, CAM_PRIORITY_NONE); 442 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 443 cts.type = CTS_TYPE_USER_SETTINGS; 444 xpt_action((union ccb *)&cts); 445 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_REVISION) 446 revision = cts.xport_specific.sata.revision; 447 xpt_free_path(dpath); 448 } 449 } 450 switch (softc->state) { 451 case PMP_STATE_PORTS: 452 cam_fill_ataio(ataio, 453 pmp_retry_count, 454 pmpdone, 455 /*flags*/CAM_DIR_NONE, 456 0, 457 /*data_ptr*/NULL, 458 /*dxfer_len*/0, 459 pmp_default_timeout * 1000); 460 ata_pm_read_cmd(ataio, 2, 15); 461 break; 462 case PMP_STATE_PRECONFIG: 463 /* Get/update host SATA capabilities. */ 464 bzero(&cts, sizeof(cts)); 465 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 466 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 467 cts.type = CTS_TYPE_CURRENT_SETTINGS; 468 xpt_action((union ccb *)&cts); 469 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 470 softc->caps = cts.xport_specific.sata.caps; 471 cam_fill_ataio(ataio, 472 pmp_retry_count, 473 pmpdone, 474 /*flags*/CAM_DIR_NONE, 475 0, 476 /*data_ptr*/NULL, 477 /*dxfer_len*/0, 478 pmp_default_timeout * 1000); 479 ata_pm_write_cmd(ataio, 0x60, 15, 0x0); 480 break; 481 case PMP_STATE_RESET: 482 cam_fill_ataio(ataio, 483 pmp_retry_count, 484 pmpdone, 485 /*flags*/CAM_DIR_NONE, 486 0, 487 /*data_ptr*/NULL, 488 /*dxfer_len*/0, 489 pmp_default_timeout * 1000); 490 ata_pm_write_cmd(ataio, 2, softc->pm_step, 491 (revision << 4) | 492 ((softc->found & (1 << softc->pm_step)) ? 0 : 1)); 493 break; 494 case PMP_STATE_CONNECT: 495 cam_fill_ataio(ataio, 496 pmp_retry_count, 497 pmpdone, 498 /*flags*/CAM_DIR_NONE, 499 0, 500 /*data_ptr*/NULL, 501 /*dxfer_len*/0, 502 pmp_default_timeout * 1000); 503 ata_pm_write_cmd(ataio, 2, softc->pm_step, 504 (revision << 4)); 505 break; 506 case PMP_STATE_CHECK: 507 cam_fill_ataio(ataio, 508 pmp_retry_count, 509 pmpdone, 510 /*flags*/CAM_DIR_NONE, 511 0, 512 /*data_ptr*/NULL, 513 /*dxfer_len*/0, 514 pmp_default_timeout * 1000); 515 ata_pm_read_cmd(ataio, 0, softc->pm_step); 516 break; 517 case PMP_STATE_CLEAR: 518 softc->reset = 0; 519 cam_fill_ataio(ataio, 520 pmp_retry_count, 521 pmpdone, 522 /*flags*/CAM_DIR_NONE, 523 0, 524 /*data_ptr*/NULL, 525 /*dxfer_len*/0, 526 pmp_default_timeout * 1000); 527 ata_pm_write_cmd(ataio, 1, softc->pm_step, 0xFFFFFFFF); 528 break; 529 case PMP_STATE_CONFIG: 530 cam_fill_ataio(ataio, 531 pmp_retry_count, 532 pmpdone, 533 /*flags*/CAM_DIR_NONE, 534 0, 535 /*data_ptr*/NULL, 536 /*dxfer_len*/0, 537 pmp_default_timeout * 1000); 538 ata_pm_write_cmd(ataio, 0x60, 15, 0x07 | 539 ((softc->caps & CTS_SATA_CAPS_H_AN) ? 0x08 : 0)); 540 break; 541 default: 542 break; 543 } 544 xpt_action(start_ccb); 545 } 546 547 static void 548 pmpdone(struct cam_periph *periph, union ccb *done_ccb) 549 { 550 struct ccb_trans_settings cts; 551 struct pmp_softc *softc; 552 struct ccb_ataio *ataio; 553 struct cam_path *dpath; 554 u_int32_t priority, res; 555 int i; 556 557 softc = (struct pmp_softc *)periph->softc; 558 ataio = &done_ccb->ataio; 559 560 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("pmpdone\n")); 561 562 priority = done_ccb->ccb_h.pinfo.priority; 563 564 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 565 if (cam_periph_error(done_ccb, 0, 0, NULL) == ERESTART) { 566 return; 567 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 568 cam_release_devq(done_ccb->ccb_h.path, 569 /*relsim_flags*/0, 570 /*reduction*/0, 571 /*timeout*/0, 572 /*getcount_only*/0); 573 } 574 goto done; 575 } 576 577 if (softc->restart) { 578 softc->restart = 0; 579 xpt_release_ccb(done_ccb); 580 softc->state = min(softc->state, PMP_STATE_PRECONFIG); 581 xpt_schedule(periph, priority); 582 return; 583 } 584 585 switch (softc->state) { 586 case PMP_STATE_PORTS: 587 softc->pm_ports = (ataio->res.lba_high << 24) + 588 (ataio->res.lba_mid << 16) + 589 (ataio->res.lba_low << 8) + 590 ataio->res.sector_count; 591 if (pmp_hide_special) { 592 /* 593 * This PMP declares 6 ports, while only 5 of them 594 * are real. Port 5 is a SEMB port, probing which 595 * causes timeouts if external SEP is not connected 596 * to PMP over I2C. 597 */ 598 if ((softc->pm_pid == 0x37261095 || 599 softc->pm_pid == 0x38261095) && 600 softc->pm_ports == 6) 601 softc->pm_ports = 5; 602 603 /* 604 * This PMP declares 7 ports, while only 5 of them 605 * are real. Port 5 is a fake "Config Disk" with 606 * 640 sectors size. Port 6 is a SEMB port. 607 */ 608 if (softc->pm_pid == 0x47261095 && softc->pm_ports == 7) 609 softc->pm_ports = 5; 610 611 /* 612 * These PMPs have extra configuration port. 613 */ 614 if (softc->pm_pid == 0x57231095 || 615 softc->pm_pid == 0x57331095 || 616 softc->pm_pid == 0x57341095 || 617 softc->pm_pid == 0x57441095) 618 softc->pm_ports--; 619 } 620 printf("%s%d: %d fan-out ports\n", 621 periph->periph_name, periph->unit_number, 622 softc->pm_ports); 623 softc->state = PMP_STATE_PRECONFIG; 624 xpt_release_ccb(done_ccb); 625 xpt_schedule(periph, priority); 626 return; 627 case PMP_STATE_PRECONFIG: 628 softc->pm_step = 0; 629 softc->state = PMP_STATE_RESET; 630 softc->reset |= ~softc->found; 631 xpt_release_ccb(done_ccb); 632 xpt_schedule(periph, priority); 633 return; 634 case PMP_STATE_RESET: 635 softc->pm_step++; 636 if (softc->pm_step >= softc->pm_ports) { 637 softc->pm_step = 0; 638 cam_freeze_devq(periph->path); 639 cam_release_devq(periph->path, 640 RELSIM_RELEASE_AFTER_TIMEOUT, 641 /*reduction*/0, 642 /*timeout*/5, 643 /*getcount_only*/0); 644 softc->state = PMP_STATE_CONNECT; 645 } 646 xpt_release_ccb(done_ccb); 647 xpt_schedule(periph, priority); 648 return; 649 case PMP_STATE_CONNECT: 650 softc->pm_step++; 651 if (softc->pm_step >= softc->pm_ports) { 652 softc->pm_step = 0; 653 softc->pm_try = 0; 654 cam_freeze_devq(periph->path); 655 cam_release_devq(periph->path, 656 RELSIM_RELEASE_AFTER_TIMEOUT, 657 /*reduction*/0, 658 /*timeout*/10, 659 /*getcount_only*/0); 660 softc->state = PMP_STATE_CHECK; 661 } 662 xpt_release_ccb(done_ccb); 663 xpt_schedule(periph, priority); 664 return; 665 case PMP_STATE_CHECK: 666 res = (ataio->res.lba_high << 24) + 667 (ataio->res.lba_mid << 16) + 668 (ataio->res.lba_low << 8) + 669 ataio->res.sector_count; 670 if (((res & 0xf0f) == 0x103 && (res & 0x0f0) != 0) || 671 (res & 0x600) != 0) { 672 if (bootverbose) { 673 printf("%s%d: port %d status: %08x\n", 674 periph->periph_name, periph->unit_number, 675 softc->pm_step, res); 676 } 677 /* Report device speed if it is online. */ 678 if ((res & 0xf0f) == 0x103 && 679 xpt_create_path(&dpath, periph, 680 xpt_path_path_id(periph->path), 681 softc->pm_step, 0) == CAM_REQ_CMP) { 682 bzero(&cts, sizeof(cts)); 683 xpt_setup_ccb(&cts.ccb_h, dpath, CAM_PRIORITY_NONE); 684 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 685 cts.type = CTS_TYPE_CURRENT_SETTINGS; 686 cts.xport_specific.sata.revision = (res & 0x0f0) >> 4; 687 cts.xport_specific.sata.valid = CTS_SATA_VALID_REVISION; 688 cts.xport_specific.sata.caps = softc->caps & 689 (CTS_SATA_CAPS_H_PMREQ | 690 CTS_SATA_CAPS_H_DMAAA | 691 CTS_SATA_CAPS_H_AN); 692 cts.xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; 693 xpt_action((union ccb *)&cts); 694 xpt_free_path(dpath); 695 } 696 softc->found |= (1 << softc->pm_step); 697 softc->pm_step++; 698 } else { 699 if (softc->pm_try < 10) { 700 cam_freeze_devq(periph->path); 701 cam_release_devq(periph->path, 702 RELSIM_RELEASE_AFTER_TIMEOUT, 703 /*reduction*/0, 704 /*timeout*/10, 705 /*getcount_only*/0); 706 softc->pm_try++; 707 } else { 708 if (bootverbose) { 709 printf("%s%d: port %d status: %08x\n", 710 periph->periph_name, periph->unit_number, 711 softc->pm_step, res); 712 } 713 softc->found &= ~(1 << softc->pm_step); 714 if (xpt_create_path(&dpath, periph, 715 done_ccb->ccb_h.path_id, 716 softc->pm_step, 0) == CAM_REQ_CMP) { 717 xpt_async(AC_LOST_DEVICE, dpath, NULL); 718 xpt_free_path(dpath); 719 } 720 softc->pm_step++; 721 } 722 } 723 if (softc->pm_step >= softc->pm_ports) { 724 if (softc->reset & softc->found) { 725 cam_freeze_devq(periph->path); 726 cam_release_devq(periph->path, 727 RELSIM_RELEASE_AFTER_TIMEOUT, 728 /*reduction*/0, 729 /*timeout*/1000, 730 /*getcount_only*/0); 731 } 732 softc->state = PMP_STATE_CLEAR; 733 softc->pm_step = 0; 734 } 735 xpt_release_ccb(done_ccb); 736 xpt_schedule(periph, priority); 737 return; 738 case PMP_STATE_CLEAR: 739 softc->pm_step++; 740 if (softc->pm_step >= softc->pm_ports) { 741 softc->state = PMP_STATE_CONFIG; 742 softc->pm_step = 0; 743 } 744 xpt_release_ccb(done_ccb); 745 xpt_schedule(periph, priority); 746 return; 747 case PMP_STATE_CONFIG: 748 for (i = 0; i < softc->pm_ports; i++) { 749 union ccb *ccb; 750 751 if ((softc->found & (1 << i)) == 0) 752 continue; 753 if (xpt_create_path(&dpath, periph, 754 xpt_path_path_id(periph->path), 755 i, 0) != CAM_REQ_CMP) { 756 printf("pmpdone: xpt_create_path failed\n"); 757 continue; 758 } 759 /* If we did hard reset to this device, inform XPT. */ 760 if ((softc->reset & softc->found & (1 << i)) != 0) 761 xpt_async(AC_SENT_BDR, dpath, NULL); 762 /* If rescan requested, scan this device. */ 763 if (softc->events & PMP_EV_RESCAN) { 764 ccb = xpt_alloc_ccb_nowait(); 765 if (ccb == NULL) { 766 xpt_free_path(dpath); 767 goto done; 768 } 769 xpt_setup_ccb(&ccb->ccb_h, dpath, CAM_PRIORITY_XPT); 770 xpt_rescan(ccb); 771 } else 772 xpt_free_path(dpath); 773 } 774 break; 775 default: 776 break; 777 } 778 done: 779 xpt_release_ccb(done_ccb); 780 softc->state = PMP_STATE_NORMAL; 781 softc->events = 0; 782 xpt_release_boot(); 783 pmprelease(periph, -1); 784 cam_periph_release_locked(periph); 785 } 786 787 #endif /* _KERNEL */ 788