ata_pmp.c revision 250508
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_pmp.c 250508 2013-05-11 13:21:31Z mav $"); 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 64typedef enum { 65 PMP_STATE_NORMAL, 66 PMP_STATE_PORTS, 67 PMP_STATE_PM_QUIRKS_1, 68 PMP_STATE_PM_QUIRKS_2, 69 PMP_STATE_PM_QUIRKS_3, 70 PMP_STATE_PRECONFIG, 71 PMP_STATE_RESET, 72 PMP_STATE_CONNECT, 73 PMP_STATE_CHECK, 74 PMP_STATE_CLEAR, 75 PMP_STATE_CONFIG, 76 PMP_STATE_SCAN 77} pmp_state; 78 79typedef enum { 80 PMP_FLAG_SCTX_INIT = 0x200 81} pmp_flags; 82 83typedef enum { 84 PMP_CCB_PROBE = 0x01, 85} pmp_ccb_state; 86 87/* Offsets into our private area for storing information */ 88#define ccb_state ppriv_field0 89#define ccb_bp ppriv_ptr1 90 91struct pmp_softc { 92 SLIST_ENTRY(pmp_softc) links; 93 pmp_state state; 94 pmp_flags flags; 95 uint32_t pm_pid; 96 uint32_t pm_prv; 97 int pm_ports; 98 int pm_step; 99 int pm_try; 100 int found; 101 int reset; 102 int frozen; 103 int restart; 104 int events; 105#define PMP_EV_RESET 1 106#define PMP_EV_RESCAN 2 107 u_int caps; 108 struct task sysctl_task; 109 struct sysctl_ctx_list sysctl_ctx; 110 struct sysctl_oid *sysctl_tree; 111}; 112 113static periph_init_t pmpinit; 114static void pmpasync(void *callback_arg, u_int32_t code, 115 struct cam_path *path, void *arg); 116static void pmpsysctlinit(void *context, int pending); 117static periph_ctor_t pmpregister; 118static periph_dtor_t pmpcleanup; 119static periph_start_t pmpstart; 120static periph_oninv_t pmponinvalidate; 121static void pmpdone(struct cam_periph *periph, 122 union ccb *done_ccb); 123 124#ifndef PMP_DEFAULT_TIMEOUT 125#define PMP_DEFAULT_TIMEOUT 30 /* Timeout in seconds */ 126#endif 127 128#ifndef PMP_DEFAULT_RETRY 129#define PMP_DEFAULT_RETRY 1 130#endif 131 132#ifndef PMP_DEFAULT_HIDE_SPECIAL 133#define PMP_DEFAULT_HIDE_SPECIAL 1 134#endif 135 136static int pmp_retry_count = PMP_DEFAULT_RETRY; 137static int pmp_default_timeout = PMP_DEFAULT_TIMEOUT; 138static int pmp_hide_special = PMP_DEFAULT_HIDE_SPECIAL; 139 140static SYSCTL_NODE(_kern_cam, OID_AUTO, pmp, CTLFLAG_RD, 0, 141 "CAM Direct Access Disk driver"); 142SYSCTL_INT(_kern_cam_pmp, OID_AUTO, retry_count, CTLFLAG_RW, 143 &pmp_retry_count, 0, "Normal I/O retry count"); 144TUNABLE_INT("kern.cam.pmp.retry_count", &pmp_retry_count); 145SYSCTL_INT(_kern_cam_pmp, OID_AUTO, default_timeout, CTLFLAG_RW, 146 &pmp_default_timeout, 0, "Normal I/O timeout (in seconds)"); 147TUNABLE_INT("kern.cam.pmp.default_timeout", &pmp_default_timeout); 148SYSCTL_INT(_kern_cam_pmp, OID_AUTO, hide_special, CTLFLAG_RW, 149 &pmp_hide_special, 0, "Hide extra ports"); 150TUNABLE_INT("kern.cam.pmp.hide_special", &pmp_hide_special); 151 152static struct periph_driver pmpdriver = 153{ 154 pmpinit, "pmp", 155 TAILQ_HEAD_INITIALIZER(pmpdriver.units), /* generation */ 0, 156 CAM_PERIPH_DRV_EARLY 157}; 158 159PERIPHDRIVER_DECLARE(pmp, pmpdriver); 160 161static MALLOC_DEFINE(M_ATPMP, "ata_pmp", "ata_pmp buffers"); 162 163static void 164pmpinit(void) 165{ 166 cam_status status; 167 168 /* 169 * Install a global async callback. This callback will 170 * receive async callbacks like "new device found". 171 */ 172 status = xpt_register_async(AC_FOUND_DEVICE, pmpasync, NULL, NULL); 173 174 if (status != CAM_REQ_CMP) { 175 printf("pmp: Failed to attach master async callback " 176 "due to status 0x%x!\n", status); 177 } 178} 179 180static void 181pmpfreeze(struct cam_periph *periph, int mask) 182{ 183 struct pmp_softc *softc = (struct pmp_softc *)periph->softc; 184 struct cam_path *dpath; 185 int i; 186 187 mask &= ~softc->frozen; 188 for (i = 0; i < 15; i++) { 189 if ((mask & (1 << i)) == 0) 190 continue; 191 if (xpt_create_path(&dpath, periph, 192 xpt_path_path_id(periph->path), 193 i, 0) == CAM_REQ_CMP) { 194 softc->frozen |= (1 << i); 195 xpt_acquire_device(dpath->device); 196 cam_freeze_devq(dpath); 197 xpt_free_path(dpath); 198 } 199 } 200} 201 202static void 203pmprelease(struct cam_periph *periph, int mask) 204{ 205 struct pmp_softc *softc = (struct pmp_softc *)periph->softc; 206 struct cam_path *dpath; 207 int i; 208 209 mask &= softc->frozen; 210 for (i = 0; i < 15; i++) { 211 if ((mask & (1 << i)) == 0) 212 continue; 213 if (xpt_create_path(&dpath, periph, 214 xpt_path_path_id(periph->path), 215 i, 0) == CAM_REQ_CMP) { 216 softc->frozen &= ~(1 << i); 217 cam_release_devq(dpath, 0, 0, 0, FALSE); 218 xpt_release_device(dpath->device); 219 xpt_free_path(dpath); 220 } 221 } 222} 223 224static void 225pmponinvalidate(struct cam_periph *periph) 226{ 227 struct cam_path *dpath; 228 int i; 229 230 /* 231 * De-register any async callbacks. 232 */ 233 xpt_register_async(0, pmpasync, periph, periph->path); 234 235 for (i = 0; i < 15; i++) { 236 if (xpt_create_path(&dpath, periph, 237 xpt_path_path_id(periph->path), 238 i, 0) == CAM_REQ_CMP) { 239 xpt_async(AC_LOST_DEVICE, dpath, NULL); 240 xpt_free_path(dpath); 241 } 242 } 243 pmprelease(periph, -1); 244 xpt_print(periph->path, "lost device\n"); 245} 246 247static void 248pmpcleanup(struct cam_periph *periph) 249{ 250 struct pmp_softc *softc; 251 252 softc = (struct pmp_softc *)periph->softc; 253 254 xpt_print(periph->path, "removing device entry\n"); 255 cam_periph_unlock(periph); 256 257 /* 258 * If we can't free the sysctl tree, oh well... 259 */ 260 if ((softc->flags & PMP_FLAG_SCTX_INIT) != 0 261 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 262 xpt_print(periph->path, "can't remove sysctl context\n"); 263 } 264 265 free(softc, M_DEVBUF); 266 cam_periph_lock(periph); 267} 268 269static void 270pmpasync(void *callback_arg, u_int32_t code, 271 struct cam_path *path, void *arg) 272{ 273 struct cam_periph *periph; 274 struct pmp_softc *softc; 275 276 periph = (struct cam_periph *)callback_arg; 277 switch (code) { 278 case AC_FOUND_DEVICE: 279 { 280 struct ccb_getdev *cgd; 281 cam_status status; 282 283 cgd = (struct ccb_getdev *)arg; 284 if (cgd == NULL) 285 break; 286 287 if (cgd->protocol != PROTO_SATAPM) 288 break; 289 290 /* 291 * Allocate a peripheral instance for 292 * this device and start the probe 293 * process. 294 */ 295 status = cam_periph_alloc(pmpregister, pmponinvalidate, 296 pmpcleanup, pmpstart, 297 "pmp", CAM_PERIPH_BIO, 298 cgd->ccb_h.path, pmpasync, 299 AC_FOUND_DEVICE, cgd); 300 301 if (status != CAM_REQ_CMP 302 && status != CAM_REQ_INPROG) 303 printf("pmpasync: Unable to attach to new device " 304 "due to status 0x%x\n", status); 305 break; 306 } 307 case AC_SCSI_AEN: 308 case AC_SENT_BDR: 309 case AC_BUS_RESET: 310 softc = (struct pmp_softc *)periph->softc; 311 cam_periph_async(periph, code, path, arg); 312 if (code == AC_SCSI_AEN) 313 softc->events |= PMP_EV_RESCAN; 314 else 315 softc->events |= PMP_EV_RESET; 316 if (code == AC_SCSI_AEN && softc->state != PMP_STATE_NORMAL) 317 break; 318 xpt_hold_boot(); 319 pmpfreeze(periph, softc->found); 320 if (code == AC_SENT_BDR || code == AC_BUS_RESET) 321 softc->found = 0; /* We have to reset everything. */ 322 if (softc->state == PMP_STATE_NORMAL) { 323 if (softc->pm_pid == 0x37261095 || 324 softc->pm_pid == 0x38261095) 325 softc->state = PMP_STATE_PM_QUIRKS_1; 326 else 327 softc->state = PMP_STATE_PRECONFIG; 328 cam_periph_acquire(periph); 329 xpt_schedule(periph, CAM_PRIORITY_DEV); 330 } else 331 softc->restart = 1; 332 break; 333 default: 334 cam_periph_async(periph, code, path, arg); 335 break; 336 } 337} 338 339static void 340pmpsysctlinit(void *context, int pending) 341{ 342 struct cam_periph *periph; 343 struct pmp_softc *softc; 344 char tmpstr[80], tmpstr2[80]; 345 346 periph = (struct cam_periph *)context; 347 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 348 return; 349 350 softc = (struct pmp_softc *)periph->softc; 351 snprintf(tmpstr, sizeof(tmpstr), "CAM PMP unit %d", periph->unit_number); 352 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 353 354 sysctl_ctx_init(&softc->sysctl_ctx); 355 softc->flags |= PMP_FLAG_SCTX_INIT; 356 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 357 SYSCTL_STATIC_CHILDREN(_kern_cam_pmp), OID_AUTO, tmpstr2, 358 CTLFLAG_RD, 0, tmpstr); 359 if (softc->sysctl_tree == NULL) { 360 printf("pmpsysctlinit: unable to allocate sysctl tree\n"); 361 cam_periph_release(periph); 362 return; 363 } 364 365 cam_periph_release(periph); 366} 367 368static cam_status 369pmpregister(struct cam_periph *periph, void *arg) 370{ 371 struct pmp_softc *softc; 372 struct ccb_getdev *cgd; 373 374 cgd = (struct ccb_getdev *)arg; 375 if (cgd == NULL) { 376 printf("pmpregister: no getdev CCB, can't register device\n"); 377 return(CAM_REQ_CMP_ERR); 378 } 379 380 softc = (struct pmp_softc *)malloc(sizeof(*softc), M_DEVBUF, 381 M_NOWAIT|M_ZERO); 382 383 if (softc == NULL) { 384 printf("pmpregister: Unable to probe new device. " 385 "Unable to allocate softc\n"); 386 return(CAM_REQ_CMP_ERR); 387 } 388 periph->softc = softc; 389 390 softc->pm_pid = ((uint32_t *)&cgd->ident_data)[0]; 391 softc->pm_prv = ((uint32_t *)&cgd->ident_data)[1]; 392 TASK_INIT(&softc->sysctl_task, 0, pmpsysctlinit, periph); 393 394 xpt_announce_periph(periph, NULL); 395 396 /* 397 * Add async callbacks for bus reset and 398 * bus device reset calls. I don't bother 399 * checking if this fails as, in most cases, 400 * the system will function just fine without 401 * them and the only alternative would be to 402 * not attach the device on failure. 403 */ 404 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 405 AC_SCSI_AEN, pmpasync, periph, periph->path); 406 407 /* 408 * Take an exclusive refcount on the periph while pmpstart is called 409 * to finish the probe. The reference will be dropped in pmpdone at 410 * the end of probe. 411 */ 412 (void)cam_periph_acquire(periph); 413 xpt_hold_boot(); 414 softc->state = PMP_STATE_PORTS; 415 softc->events = PMP_EV_RESCAN; 416 xpt_schedule(periph, CAM_PRIORITY_DEV); 417 418 return(CAM_REQ_CMP); 419} 420 421static void 422pmpstart(struct cam_periph *periph, union ccb *start_ccb) 423{ 424 struct ccb_trans_settings cts; 425 struct ccb_ataio *ataio; 426 struct pmp_softc *softc; 427 struct cam_path *dpath; 428 int revision = 0; 429 430 softc = (struct pmp_softc *)periph->softc; 431 ataio = &start_ccb->ataio; 432 433 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("pmpstart\n")); 434 435 if (softc->restart) { 436 softc->restart = 0; 437 if (softc->pm_pid == 0x37261095 || softc->pm_pid == 0x38261095) 438 softc->state = min(softc->state, PMP_STATE_PM_QUIRKS_1); 439 else 440 softc->state = min(softc->state, PMP_STATE_PRECONFIG); 441 } 442 /* Fetch user wanted device speed. */ 443 if (softc->state == PMP_STATE_RESET || 444 softc->state == PMP_STATE_CONNECT) { 445 if (xpt_create_path(&dpath, periph, 446 xpt_path_path_id(periph->path), 447 softc->pm_step, 0) == CAM_REQ_CMP) { 448 bzero(&cts, sizeof(cts)); 449 xpt_setup_ccb(&cts.ccb_h, dpath, CAM_PRIORITY_NONE); 450 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 451 cts.type = CTS_TYPE_USER_SETTINGS; 452 xpt_action((union ccb *)&cts); 453 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_REVISION) 454 revision = cts.xport_specific.sata.revision; 455 xpt_free_path(dpath); 456 } 457 } 458 switch (softc->state) { 459 case PMP_STATE_PORTS: 460 cam_fill_ataio(ataio, 461 pmp_retry_count, 462 pmpdone, 463 /*flags*/CAM_DIR_NONE, 464 0, 465 /*data_ptr*/NULL, 466 /*dxfer_len*/0, 467 pmp_default_timeout * 1000); 468 ata_pm_read_cmd(ataio, 2, 15); 469 break; 470 471 case PMP_STATE_PM_QUIRKS_1: 472 case PMP_STATE_PM_QUIRKS_3: 473 cam_fill_ataio(ataio, 474 pmp_retry_count, 475 pmpdone, 476 /*flags*/CAM_DIR_NONE, 477 0, 478 /*data_ptr*/NULL, 479 /*dxfer_len*/0, 480 pmp_default_timeout * 1000); 481 ata_pm_read_cmd(ataio, 129, 15); 482 break; 483 484 case PMP_STATE_PM_QUIRKS_2: 485 cam_fill_ataio(ataio, 486 pmp_retry_count, 487 pmpdone, 488 /*flags*/CAM_DIR_NONE, 489 0, 490 /*data_ptr*/NULL, 491 /*dxfer_len*/0, 492 pmp_default_timeout * 1000); 493 ata_pm_write_cmd(ataio, 129, 15, softc->caps & ~0x1); 494 break; 495 496 case PMP_STATE_PRECONFIG: 497 /* Get/update host SATA capabilities. */ 498 bzero(&cts, sizeof(cts)); 499 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 500 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 501 cts.type = CTS_TYPE_CURRENT_SETTINGS; 502 xpt_action((union ccb *)&cts); 503 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 504 softc->caps = cts.xport_specific.sata.caps; 505 else 506 softc->caps = 0; 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_write_cmd(ataio, 0x60, 15, 0x0); 516 break; 517 case PMP_STATE_RESET: 518 cam_fill_ataio(ataio, 519 pmp_retry_count, 520 pmpdone, 521 /*flags*/CAM_DIR_NONE, 522 0, 523 /*data_ptr*/NULL, 524 /*dxfer_len*/0, 525 pmp_default_timeout * 1000); 526 ata_pm_write_cmd(ataio, 2, softc->pm_step, 527 (revision << 4) | 528 ((softc->found & (1 << softc->pm_step)) ? 0 : 1)); 529 break; 530 case PMP_STATE_CONNECT: 531 cam_fill_ataio(ataio, 532 pmp_retry_count, 533 pmpdone, 534 /*flags*/CAM_DIR_NONE, 535 0, 536 /*data_ptr*/NULL, 537 /*dxfer_len*/0, 538 pmp_default_timeout * 1000); 539 ata_pm_write_cmd(ataio, 2, softc->pm_step, 540 (revision << 4)); 541 break; 542 case PMP_STATE_CHECK: 543 cam_fill_ataio(ataio, 544 pmp_retry_count, 545 pmpdone, 546 /*flags*/CAM_DIR_NONE, 547 0, 548 /*data_ptr*/NULL, 549 /*dxfer_len*/0, 550 pmp_default_timeout * 1000); 551 ata_pm_read_cmd(ataio, 0, softc->pm_step); 552 break; 553 case PMP_STATE_CLEAR: 554 softc->reset = 0; 555 cam_fill_ataio(ataio, 556 pmp_retry_count, 557 pmpdone, 558 /*flags*/CAM_DIR_NONE, 559 0, 560 /*data_ptr*/NULL, 561 /*dxfer_len*/0, 562 pmp_default_timeout * 1000); 563 ata_pm_write_cmd(ataio, 1, softc->pm_step, 0xFFFFFFFF); 564 break; 565 case PMP_STATE_CONFIG: 566 cam_fill_ataio(ataio, 567 pmp_retry_count, 568 pmpdone, 569 /*flags*/CAM_DIR_NONE, 570 0, 571 /*data_ptr*/NULL, 572 /*dxfer_len*/0, 573 pmp_default_timeout * 1000); 574 ata_pm_write_cmd(ataio, 0x60, 15, 0x07 | 575 ((softc->caps & CTS_SATA_CAPS_H_AN) ? 0x08 : 0)); 576 break; 577 default: 578 break; 579 } 580 xpt_action(start_ccb); 581} 582 583static void 584pmpdone(struct cam_periph *periph, union ccb *done_ccb) 585{ 586 struct ccb_trans_settings cts; 587 struct pmp_softc *softc; 588 struct ccb_ataio *ataio; 589 struct cam_path *dpath; 590 u_int32_t priority, res; 591 int i; 592 593 softc = (struct pmp_softc *)periph->softc; 594 ataio = &done_ccb->ataio; 595 596 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("pmpdone\n")); 597 598 priority = done_ccb->ccb_h.pinfo.priority; 599 600 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 601 if (cam_periph_error(done_ccb, 0, 0, NULL) == ERESTART) { 602 return; 603 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 604 cam_release_devq(done_ccb->ccb_h.path, 605 /*relsim_flags*/0, 606 /*reduction*/0, 607 /*timeout*/0, 608 /*getcount_only*/0); 609 } 610 goto done; 611 } 612 613 if (softc->restart) { 614 softc->restart = 0; 615 xpt_release_ccb(done_ccb); 616 if (softc->pm_pid == 0x37261095 || softc->pm_pid == 0x38261095) 617 softc->state = min(softc->state, PMP_STATE_PM_QUIRKS_1); 618 else 619 softc->state = min(softc->state, PMP_STATE_PRECONFIG); 620 xpt_schedule(periph, priority); 621 return; 622 } 623 624 switch (softc->state) { 625 case PMP_STATE_PORTS: 626 softc->pm_ports = (ataio->res.lba_high << 24) + 627 (ataio->res.lba_mid << 16) + 628 (ataio->res.lba_low << 8) + 629 ataio->res.sector_count; 630 if (pmp_hide_special) { 631 /* 632 * This PMP declares 6 ports, while only 5 of them 633 * are real. Port 5 is a SEMB port, probing which 634 * causes timeouts if external SEP is not connected 635 * to PMP over I2C. 636 */ 637 if ((softc->pm_pid == 0x37261095 || 638 softc->pm_pid == 0x38261095) && 639 softc->pm_ports == 6) 640 softc->pm_ports = 5; 641 642 /* 643 * This PMP declares 7 ports, while only 5 of them 644 * are real. Port 5 is a fake "Config Disk" with 645 * 640 sectors size. Port 6 is a SEMB port. 646 */ 647 if (softc->pm_pid == 0x47261095 && softc->pm_ports == 7) 648 softc->pm_ports = 5; 649 650 /* 651 * These PMPs have extra configuration port. 652 */ 653 if (softc->pm_pid == 0x57231095 || 654 softc->pm_pid == 0x57331095 || 655 softc->pm_pid == 0x57341095 || 656 softc->pm_pid == 0x57441095) 657 softc->pm_ports--; 658 } 659 printf("%s%d: %d fan-out ports\n", 660 periph->periph_name, periph->unit_number, 661 softc->pm_ports); 662 if (softc->pm_pid == 0x37261095 || softc->pm_pid == 0x38261095) 663 softc->state = PMP_STATE_PM_QUIRKS_1; 664 else 665 softc->state = PMP_STATE_PRECONFIG; 666 xpt_release_ccb(done_ccb); 667 xpt_schedule(periph, priority); 668 return; 669 670 case PMP_STATE_PM_QUIRKS_1: 671 softc->caps = (ataio->res.lba_high << 24) + 672 (ataio->res.lba_mid << 16) + 673 (ataio->res.lba_low << 8) + 674 ataio->res.sector_count; 675 if (softc->caps & 0x1) 676 softc->state = PMP_STATE_PM_QUIRKS_2; 677 else 678 softc->state = PMP_STATE_PRECONFIG; 679 xpt_release_ccb(done_ccb); 680 xpt_schedule(periph, priority); 681 return; 682 683 case PMP_STATE_PM_QUIRKS_2: 684 if (bootverbose) 685 softc->state = PMP_STATE_PM_QUIRKS_3; 686 else 687 softc->state = PMP_STATE_PRECONFIG; 688 xpt_release_ccb(done_ccb); 689 xpt_schedule(periph, priority); 690 return; 691 692 case PMP_STATE_PM_QUIRKS_3: 693 res = (ataio->res.lba_high << 24) + 694 (ataio->res.lba_mid << 16) + 695 (ataio->res.lba_low << 8) + 696 ataio->res.sector_count; 697 printf("%s%d: Disabling SiI3x26 R_OK in GSCR_POLL: %x->%x\n", 698 periph->periph_name, periph->unit_number, softc->caps, res); 699 softc->state = PMP_STATE_PRECONFIG; 700 xpt_release_ccb(done_ccb); 701 xpt_schedule(periph, priority); 702 return; 703 704 case PMP_STATE_PRECONFIG: 705 softc->pm_step = 0; 706 softc->state = PMP_STATE_RESET; 707 softc->reset |= ~softc->found; 708 xpt_release_ccb(done_ccb); 709 xpt_schedule(periph, priority); 710 return; 711 case PMP_STATE_RESET: 712 softc->pm_step++; 713 if (softc->pm_step >= softc->pm_ports) { 714 softc->pm_step = 0; 715 cam_freeze_devq(periph->path); 716 cam_release_devq(periph->path, 717 RELSIM_RELEASE_AFTER_TIMEOUT, 718 /*reduction*/0, 719 /*timeout*/5, 720 /*getcount_only*/0); 721 softc->state = PMP_STATE_CONNECT; 722 } 723 xpt_release_ccb(done_ccb); 724 xpt_schedule(periph, priority); 725 return; 726 case PMP_STATE_CONNECT: 727 softc->pm_step++; 728 if (softc->pm_step >= softc->pm_ports) { 729 softc->pm_step = 0; 730 softc->pm_try = 0; 731 cam_freeze_devq(periph->path); 732 cam_release_devq(periph->path, 733 RELSIM_RELEASE_AFTER_TIMEOUT, 734 /*reduction*/0, 735 /*timeout*/10, 736 /*getcount_only*/0); 737 softc->state = PMP_STATE_CHECK; 738 } 739 xpt_release_ccb(done_ccb); 740 xpt_schedule(periph, priority); 741 return; 742 case PMP_STATE_CHECK: 743 res = (ataio->res.lba_high << 24) + 744 (ataio->res.lba_mid << 16) + 745 (ataio->res.lba_low << 8) + 746 ataio->res.sector_count; 747 if (((res & 0xf0f) == 0x103 && (res & 0x0f0) != 0) || 748 (res & 0x600) != 0) { 749 if (bootverbose) { 750 printf("%s%d: port %d status: %08x\n", 751 periph->periph_name, periph->unit_number, 752 softc->pm_step, res); 753 } 754 /* Report device speed if it is online. */ 755 if ((res & 0xf0f) == 0x103 && 756 xpt_create_path(&dpath, periph, 757 xpt_path_path_id(periph->path), 758 softc->pm_step, 0) == CAM_REQ_CMP) { 759 bzero(&cts, sizeof(cts)); 760 xpt_setup_ccb(&cts.ccb_h, dpath, CAM_PRIORITY_NONE); 761 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 762 cts.type = CTS_TYPE_CURRENT_SETTINGS; 763 cts.xport_specific.sata.revision = (res & 0x0f0) >> 4; 764 cts.xport_specific.sata.valid = CTS_SATA_VALID_REVISION; 765 cts.xport_specific.sata.caps = softc->caps & 766 (CTS_SATA_CAPS_H_PMREQ | 767 CTS_SATA_CAPS_H_DMAAA | 768 CTS_SATA_CAPS_H_AN); 769 cts.xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; 770 xpt_action((union ccb *)&cts); 771 xpt_free_path(dpath); 772 } 773 softc->found |= (1 << softc->pm_step); 774 softc->pm_step++; 775 } else { 776 if (softc->pm_try < 10) { 777 cam_freeze_devq(periph->path); 778 cam_release_devq(periph->path, 779 RELSIM_RELEASE_AFTER_TIMEOUT, 780 /*reduction*/0, 781 /*timeout*/10, 782 /*getcount_only*/0); 783 softc->pm_try++; 784 } else { 785 if (bootverbose) { 786 printf("%s%d: port %d status: %08x\n", 787 periph->periph_name, periph->unit_number, 788 softc->pm_step, res); 789 } 790 softc->found &= ~(1 << softc->pm_step); 791 if (xpt_create_path(&dpath, periph, 792 done_ccb->ccb_h.path_id, 793 softc->pm_step, 0) == CAM_REQ_CMP) { 794 xpt_async(AC_LOST_DEVICE, dpath, NULL); 795 xpt_free_path(dpath); 796 } 797 softc->pm_step++; 798 } 799 } 800 if (softc->pm_step >= softc->pm_ports) { 801 if (softc->reset & softc->found) { 802 cam_freeze_devq(periph->path); 803 cam_release_devq(periph->path, 804 RELSIM_RELEASE_AFTER_TIMEOUT, 805 /*reduction*/0, 806 /*timeout*/1000, 807 /*getcount_only*/0); 808 } 809 softc->state = PMP_STATE_CLEAR; 810 softc->pm_step = 0; 811 } 812 xpt_release_ccb(done_ccb); 813 xpt_schedule(periph, priority); 814 return; 815 case PMP_STATE_CLEAR: 816 softc->pm_step++; 817 if (softc->pm_step >= softc->pm_ports) { 818 softc->state = PMP_STATE_CONFIG; 819 softc->pm_step = 0; 820 } 821 xpt_release_ccb(done_ccb); 822 xpt_schedule(periph, priority); 823 return; 824 case PMP_STATE_CONFIG: 825 for (i = 0; i < softc->pm_ports; i++) { 826 union ccb *ccb; 827 828 if ((softc->found & (1 << i)) == 0) 829 continue; 830 if (xpt_create_path(&dpath, periph, 831 xpt_path_path_id(periph->path), 832 i, 0) != CAM_REQ_CMP) { 833 printf("pmpdone: xpt_create_path failed\n"); 834 continue; 835 } 836 /* If we did hard reset to this device, inform XPT. */ 837 if ((softc->reset & softc->found & (1 << i)) != 0) 838 xpt_async(AC_SENT_BDR, dpath, NULL); 839 /* If rescan requested, scan this device. */ 840 if (softc->events & PMP_EV_RESCAN) { 841 ccb = xpt_alloc_ccb_nowait(); 842 if (ccb == NULL) { 843 xpt_free_path(dpath); 844 goto done; 845 } 846 xpt_setup_ccb(&ccb->ccb_h, dpath, CAM_PRIORITY_XPT); 847 xpt_rescan(ccb); 848 } else 849 xpt_free_path(dpath); 850 } 851 break; 852 default: 853 break; 854 } 855done: 856 xpt_release_ccb(done_ccb); 857 softc->state = PMP_STATE_NORMAL; 858 softc->events = 0; 859 xpt_release_boot(); 860 pmprelease(periph, -1); 861 cam_periph_release_locked(periph); 862} 863 864#endif /* _KERNEL */ 865