ata_pmp.c revision 257049
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: stable/10/sys/cam/ata/ata_pmp.c 257049 2013-10-24 10:33:31Z 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} 245 246static void 247pmpcleanup(struct cam_periph *periph) 248{ 249 struct pmp_softc *softc; 250 251 softc = (struct pmp_softc *)periph->softc; 252 253 cam_periph_unlock(periph); 254 255 /* 256 * If we can't free the sysctl tree, oh well... 257 */ 258 if ((softc->flags & PMP_FLAG_SCTX_INIT) != 0 259 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) { 260 xpt_print(periph->path, "can't remove sysctl context\n"); 261 } 262 263 free(softc, M_DEVBUF); 264 cam_periph_lock(periph); 265} 266 267static void 268pmpasync(void *callback_arg, u_int32_t code, 269 struct cam_path *path, void *arg) 270{ 271 struct cam_periph *periph; 272 struct pmp_softc *softc; 273 274 periph = (struct cam_periph *)callback_arg; 275 switch (code) { 276 case AC_FOUND_DEVICE: 277 { 278 struct ccb_getdev *cgd; 279 cam_status status; 280 281 cgd = (struct ccb_getdev *)arg; 282 if (cgd == NULL) 283 break; 284 285 if (cgd->protocol != PROTO_SATAPM) 286 break; 287 288 /* 289 * Allocate a peripheral instance for 290 * this device and start the probe 291 * process. 292 */ 293 status = cam_periph_alloc(pmpregister, pmponinvalidate, 294 pmpcleanup, pmpstart, 295 "pmp", CAM_PERIPH_BIO, 296 cgd->ccb_h.path, pmpasync, 297 AC_FOUND_DEVICE, cgd); 298 299 if (status != CAM_REQ_CMP 300 && status != CAM_REQ_INPROG) 301 printf("pmpasync: Unable to attach to new device " 302 "due to status 0x%x\n", status); 303 break; 304 } 305 case AC_SCSI_AEN: 306 case AC_SENT_BDR: 307 case AC_BUS_RESET: 308 softc = (struct pmp_softc *)periph->softc; 309 cam_periph_async(periph, code, path, arg); 310 if (code == AC_SCSI_AEN) 311 softc->events |= PMP_EV_RESCAN; 312 else 313 softc->events |= PMP_EV_RESET; 314 if (code == AC_SCSI_AEN && softc->state != PMP_STATE_NORMAL) 315 break; 316 xpt_hold_boot(); 317 pmpfreeze(periph, softc->found); 318 if (code == AC_SENT_BDR || code == AC_BUS_RESET) 319 softc->found = 0; /* We have to reset everything. */ 320 if (softc->state == PMP_STATE_NORMAL) { 321 if (softc->pm_pid == 0x37261095 || 322 softc->pm_pid == 0x38261095) 323 softc->state = PMP_STATE_PM_QUIRKS_1; 324 else 325 softc->state = PMP_STATE_PRECONFIG; 326 cam_periph_acquire(periph); 327 xpt_schedule(periph, CAM_PRIORITY_DEV); 328 } else 329 softc->restart = 1; 330 break; 331 default: 332 cam_periph_async(periph, code, path, arg); 333 break; 334 } 335} 336 337static void 338pmpsysctlinit(void *context, int pending) 339{ 340 struct cam_periph *periph; 341 struct pmp_softc *softc; 342 char tmpstr[80], tmpstr2[80]; 343 344 periph = (struct cam_periph *)context; 345 if (cam_periph_acquire(periph) != CAM_REQ_CMP) 346 return; 347 348 softc = (struct pmp_softc *)periph->softc; 349 snprintf(tmpstr, sizeof(tmpstr), "CAM PMP unit %d", periph->unit_number); 350 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number); 351 352 sysctl_ctx_init(&softc->sysctl_ctx); 353 softc->flags |= PMP_FLAG_SCTX_INIT; 354 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx, 355 SYSCTL_STATIC_CHILDREN(_kern_cam_pmp), OID_AUTO, tmpstr2, 356 CTLFLAG_RD, 0, tmpstr); 357 if (softc->sysctl_tree == NULL) { 358 printf("pmpsysctlinit: unable to allocate sysctl tree\n"); 359 cam_periph_release(periph); 360 return; 361 } 362 363 cam_periph_release(periph); 364} 365 366static cam_status 367pmpregister(struct cam_periph *periph, void *arg) 368{ 369 struct pmp_softc *softc; 370 struct ccb_getdev *cgd; 371 372 cgd = (struct ccb_getdev *)arg; 373 if (cgd == NULL) { 374 printf("pmpregister: no getdev CCB, can't register device\n"); 375 return(CAM_REQ_CMP_ERR); 376 } 377 378 softc = (struct pmp_softc *)malloc(sizeof(*softc), M_DEVBUF, 379 M_NOWAIT|M_ZERO); 380 381 if (softc == NULL) { 382 printf("pmpregister: Unable to probe new device. " 383 "Unable to allocate softc\n"); 384 return(CAM_REQ_CMP_ERR); 385 } 386 periph->softc = softc; 387 388 softc->pm_pid = ((uint32_t *)&cgd->ident_data)[0]; 389 softc->pm_prv = ((uint32_t *)&cgd->ident_data)[1]; 390 TASK_INIT(&softc->sysctl_task, 0, pmpsysctlinit, periph); 391 392 xpt_announce_periph(periph, NULL); 393 394 /* 395 * Add async callbacks for bus reset and 396 * bus device reset calls. I don't bother 397 * checking if this fails as, in most cases, 398 * the system will function just fine without 399 * them and the only alternative would be to 400 * not attach the device on failure. 401 */ 402 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE | 403 AC_SCSI_AEN, pmpasync, periph, periph->path); 404 405 /* 406 * Take an exclusive refcount on the periph while pmpstart is called 407 * to finish the probe. The reference will be dropped in pmpdone at 408 * the end of probe. 409 */ 410 (void)cam_periph_acquire(periph); 411 xpt_hold_boot(); 412 softc->state = PMP_STATE_PORTS; 413 softc->events = PMP_EV_RESCAN; 414 xpt_schedule(periph, CAM_PRIORITY_DEV); 415 416 return(CAM_REQ_CMP); 417} 418 419static void 420pmpstart(struct cam_periph *periph, union ccb *start_ccb) 421{ 422 struct ccb_trans_settings cts; 423 struct ccb_ataio *ataio; 424 struct pmp_softc *softc; 425 struct cam_path *dpath; 426 int revision = 0; 427 428 softc = (struct pmp_softc *)periph->softc; 429 ataio = &start_ccb->ataio; 430 431 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("pmpstart\n")); 432 433 if (softc->restart) { 434 softc->restart = 0; 435 if (softc->pm_pid == 0x37261095 || softc->pm_pid == 0x38261095) 436 softc->state = min(softc->state, PMP_STATE_PM_QUIRKS_1); 437 else 438 softc->state = min(softc->state, PMP_STATE_PRECONFIG); 439 } 440 /* Fetch user wanted device speed. */ 441 if (softc->state == PMP_STATE_RESET || 442 softc->state == PMP_STATE_CONNECT) { 443 if (xpt_create_path(&dpath, periph, 444 xpt_path_path_id(periph->path), 445 softc->pm_step, 0) == CAM_REQ_CMP) { 446 bzero(&cts, sizeof(cts)); 447 xpt_setup_ccb(&cts.ccb_h, dpath, CAM_PRIORITY_NONE); 448 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 449 cts.type = CTS_TYPE_USER_SETTINGS; 450 xpt_action((union ccb *)&cts); 451 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_REVISION) 452 revision = cts.xport_specific.sata.revision; 453 xpt_free_path(dpath); 454 } 455 } 456 switch (softc->state) { 457 case PMP_STATE_PORTS: 458 cam_fill_ataio(ataio, 459 pmp_retry_count, 460 pmpdone, 461 /*flags*/CAM_DIR_NONE, 462 0, 463 /*data_ptr*/NULL, 464 /*dxfer_len*/0, 465 pmp_default_timeout * 1000); 466 ata_pm_read_cmd(ataio, 2, 15); 467 break; 468 469 case PMP_STATE_PM_QUIRKS_1: 470 case PMP_STATE_PM_QUIRKS_3: 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_read_cmd(ataio, 129, 15); 480 break; 481 482 case PMP_STATE_PM_QUIRKS_2: 483 cam_fill_ataio(ataio, 484 pmp_retry_count, 485 pmpdone, 486 /*flags*/CAM_DIR_NONE, 487 0, 488 /*data_ptr*/NULL, 489 /*dxfer_len*/0, 490 pmp_default_timeout * 1000); 491 ata_pm_write_cmd(ataio, 129, 15, softc->caps & ~0x1); 492 break; 493 494 case PMP_STATE_PRECONFIG: 495 /* Get/update host SATA capabilities. */ 496 bzero(&cts, sizeof(cts)); 497 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE); 498 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS; 499 cts.type = CTS_TYPE_CURRENT_SETTINGS; 500 xpt_action((union ccb *)&cts); 501 if (cts.xport_specific.sata.valid & CTS_SATA_VALID_CAPS) 502 softc->caps = cts.xport_specific.sata.caps; 503 else 504 softc->caps = 0; 505 cam_fill_ataio(ataio, 506 pmp_retry_count, 507 pmpdone, 508 /*flags*/CAM_DIR_NONE, 509 0, 510 /*data_ptr*/NULL, 511 /*dxfer_len*/0, 512 pmp_default_timeout * 1000); 513 ata_pm_write_cmd(ataio, 0x60, 15, 0x0); 514 break; 515 case PMP_STATE_RESET: 516 cam_fill_ataio(ataio, 517 pmp_retry_count, 518 pmpdone, 519 /*flags*/CAM_DIR_NONE, 520 0, 521 /*data_ptr*/NULL, 522 /*dxfer_len*/0, 523 pmp_default_timeout * 1000); 524 ata_pm_write_cmd(ataio, 2, softc->pm_step, 525 (revision << 4) | 526 ((softc->found & (1 << softc->pm_step)) ? 0 : 1)); 527 break; 528 case PMP_STATE_CONNECT: 529 cam_fill_ataio(ataio, 530 pmp_retry_count, 531 pmpdone, 532 /*flags*/CAM_DIR_NONE, 533 0, 534 /*data_ptr*/NULL, 535 /*dxfer_len*/0, 536 pmp_default_timeout * 1000); 537 ata_pm_write_cmd(ataio, 2, softc->pm_step, 538 (revision << 4)); 539 break; 540 case PMP_STATE_CHECK: 541 cam_fill_ataio(ataio, 542 pmp_retry_count, 543 pmpdone, 544 /*flags*/CAM_DIR_NONE, 545 0, 546 /*data_ptr*/NULL, 547 /*dxfer_len*/0, 548 pmp_default_timeout * 1000); 549 ata_pm_read_cmd(ataio, 0, softc->pm_step); 550 break; 551 case PMP_STATE_CLEAR: 552 softc->reset = 0; 553 cam_fill_ataio(ataio, 554 pmp_retry_count, 555 pmpdone, 556 /*flags*/CAM_DIR_NONE, 557 0, 558 /*data_ptr*/NULL, 559 /*dxfer_len*/0, 560 pmp_default_timeout * 1000); 561 ata_pm_write_cmd(ataio, 1, softc->pm_step, 0xFFFFFFFF); 562 break; 563 case PMP_STATE_CONFIG: 564 cam_fill_ataio(ataio, 565 pmp_retry_count, 566 pmpdone, 567 /*flags*/CAM_DIR_NONE, 568 0, 569 /*data_ptr*/NULL, 570 /*dxfer_len*/0, 571 pmp_default_timeout * 1000); 572 ata_pm_write_cmd(ataio, 0x60, 15, 0x07 | 573 ((softc->caps & CTS_SATA_CAPS_H_AN) ? 0x08 : 0)); 574 break; 575 default: 576 break; 577 } 578 xpt_action(start_ccb); 579} 580 581static void 582pmpdone(struct cam_periph *periph, union ccb *done_ccb) 583{ 584 struct ccb_trans_settings cts; 585 struct pmp_softc *softc; 586 struct ccb_ataio *ataio; 587 struct cam_path *dpath; 588 u_int32_t priority, res; 589 int i; 590 591 softc = (struct pmp_softc *)periph->softc; 592 ataio = &done_ccb->ataio; 593 594 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("pmpdone\n")); 595 596 priority = done_ccb->ccb_h.pinfo.priority; 597 598 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 599 if (cam_periph_error(done_ccb, 0, 0, NULL) == ERESTART) { 600 return; 601 } else if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 602 cam_release_devq(done_ccb->ccb_h.path, 603 /*relsim_flags*/0, 604 /*reduction*/0, 605 /*timeout*/0, 606 /*getcount_only*/0); 607 } 608 goto done; 609 } 610 611 if (softc->restart) { 612 softc->restart = 0; 613 xpt_release_ccb(done_ccb); 614 if (softc->pm_pid == 0x37261095 || softc->pm_pid == 0x38261095) 615 softc->state = min(softc->state, PMP_STATE_PM_QUIRKS_1); 616 else 617 softc->state = min(softc->state, PMP_STATE_PRECONFIG); 618 xpt_schedule(periph, priority); 619 return; 620 } 621 622 switch (softc->state) { 623 case PMP_STATE_PORTS: 624 softc->pm_ports = (ataio->res.lba_high << 24) + 625 (ataio->res.lba_mid << 16) + 626 (ataio->res.lba_low << 8) + 627 ataio->res.sector_count; 628 if (pmp_hide_special) { 629 /* 630 * This PMP declares 6 ports, while only 5 of them 631 * are real. Port 5 is a SEMB port, probing which 632 * causes timeouts if external SEP is not connected 633 * to PMP over I2C. 634 */ 635 if ((softc->pm_pid == 0x37261095 || 636 softc->pm_pid == 0x38261095) && 637 softc->pm_ports == 6) 638 softc->pm_ports = 5; 639 640 /* 641 * This PMP declares 7 ports, while only 5 of them 642 * are real. Port 5 is a fake "Config Disk" with 643 * 640 sectors size. Port 6 is a SEMB port. 644 */ 645 if (softc->pm_pid == 0x47261095 && softc->pm_ports == 7) 646 softc->pm_ports = 5; 647 648 /* 649 * These PMPs have extra configuration port. 650 */ 651 if (softc->pm_pid == 0x57231095 || 652 softc->pm_pid == 0x57331095 || 653 softc->pm_pid == 0x57341095 || 654 softc->pm_pid == 0x57441095) 655 softc->pm_ports--; 656 } 657 printf("%s%d: %d fan-out ports\n", 658 periph->periph_name, periph->unit_number, 659 softc->pm_ports); 660 if (softc->pm_pid == 0x37261095 || softc->pm_pid == 0x38261095) 661 softc->state = PMP_STATE_PM_QUIRKS_1; 662 else 663 softc->state = PMP_STATE_PRECONFIG; 664 xpt_release_ccb(done_ccb); 665 xpt_schedule(periph, priority); 666 return; 667 668 case PMP_STATE_PM_QUIRKS_1: 669 softc->caps = (ataio->res.lba_high << 24) + 670 (ataio->res.lba_mid << 16) + 671 (ataio->res.lba_low << 8) + 672 ataio->res.sector_count; 673 if (softc->caps & 0x1) 674 softc->state = PMP_STATE_PM_QUIRKS_2; 675 else 676 softc->state = PMP_STATE_PRECONFIG; 677 xpt_release_ccb(done_ccb); 678 xpt_schedule(periph, priority); 679 return; 680 681 case PMP_STATE_PM_QUIRKS_2: 682 if (bootverbose) 683 softc->state = PMP_STATE_PM_QUIRKS_3; 684 else 685 softc->state = PMP_STATE_PRECONFIG; 686 xpt_release_ccb(done_ccb); 687 xpt_schedule(periph, priority); 688 return; 689 690 case PMP_STATE_PM_QUIRKS_3: 691 res = (ataio->res.lba_high << 24) + 692 (ataio->res.lba_mid << 16) + 693 (ataio->res.lba_low << 8) + 694 ataio->res.sector_count; 695 printf("%s%d: Disabling SiI3x26 R_OK in GSCR_POLL: %x->%x\n", 696 periph->periph_name, periph->unit_number, softc->caps, res); 697 softc->state = PMP_STATE_PRECONFIG; 698 xpt_release_ccb(done_ccb); 699 xpt_schedule(periph, priority); 700 return; 701 702 case PMP_STATE_PRECONFIG: 703 softc->pm_step = 0; 704 softc->state = PMP_STATE_RESET; 705 softc->reset |= ~softc->found; 706 xpt_release_ccb(done_ccb); 707 xpt_schedule(periph, priority); 708 return; 709 case PMP_STATE_RESET: 710 softc->pm_step++; 711 if (softc->pm_step >= softc->pm_ports) { 712 softc->pm_step = 0; 713 cam_freeze_devq(periph->path); 714 cam_release_devq(periph->path, 715 RELSIM_RELEASE_AFTER_TIMEOUT, 716 /*reduction*/0, 717 /*timeout*/5, 718 /*getcount_only*/0); 719 softc->state = PMP_STATE_CONNECT; 720 } 721 xpt_release_ccb(done_ccb); 722 xpt_schedule(periph, priority); 723 return; 724 case PMP_STATE_CONNECT: 725 softc->pm_step++; 726 if (softc->pm_step >= softc->pm_ports) { 727 softc->pm_step = 0; 728 softc->pm_try = 0; 729 cam_freeze_devq(periph->path); 730 cam_release_devq(periph->path, 731 RELSIM_RELEASE_AFTER_TIMEOUT, 732 /*reduction*/0, 733 /*timeout*/10, 734 /*getcount_only*/0); 735 softc->state = PMP_STATE_CHECK; 736 } 737 xpt_release_ccb(done_ccb); 738 xpt_schedule(periph, priority); 739 return; 740 case PMP_STATE_CHECK: 741 res = (ataio->res.lba_high << 24) + 742 (ataio->res.lba_mid << 16) + 743 (ataio->res.lba_low << 8) + 744 ataio->res.sector_count; 745 if (((res & 0xf0f) == 0x103 && (res & 0x0f0) != 0) || 746 (res & 0x600) != 0) { 747 if (bootverbose) { 748 printf("%s%d: port %d status: %08x\n", 749 periph->periph_name, periph->unit_number, 750 softc->pm_step, res); 751 } 752 /* Report device speed if it is online. */ 753 if ((res & 0xf0f) == 0x103 && 754 xpt_create_path(&dpath, periph, 755 xpt_path_path_id(periph->path), 756 softc->pm_step, 0) == CAM_REQ_CMP) { 757 bzero(&cts, sizeof(cts)); 758 xpt_setup_ccb(&cts.ccb_h, dpath, CAM_PRIORITY_NONE); 759 cts.ccb_h.func_code = XPT_SET_TRAN_SETTINGS; 760 cts.type = CTS_TYPE_CURRENT_SETTINGS; 761 cts.xport_specific.sata.revision = (res & 0x0f0) >> 4; 762 cts.xport_specific.sata.valid = CTS_SATA_VALID_REVISION; 763 cts.xport_specific.sata.caps = softc->caps & 764 (CTS_SATA_CAPS_H_PMREQ | 765 CTS_SATA_CAPS_H_DMAAA | 766 CTS_SATA_CAPS_H_AN); 767 cts.xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; 768 xpt_action((union ccb *)&cts); 769 xpt_free_path(dpath); 770 } 771 softc->found |= (1 << softc->pm_step); 772 softc->pm_step++; 773 } else { 774 if (softc->pm_try < 10) { 775 cam_freeze_devq(periph->path); 776 cam_release_devq(periph->path, 777 RELSIM_RELEASE_AFTER_TIMEOUT, 778 /*reduction*/0, 779 /*timeout*/10, 780 /*getcount_only*/0); 781 softc->pm_try++; 782 } else { 783 if (bootverbose) { 784 printf("%s%d: port %d status: %08x\n", 785 periph->periph_name, periph->unit_number, 786 softc->pm_step, res); 787 } 788 softc->found &= ~(1 << softc->pm_step); 789 if (xpt_create_path(&dpath, periph, 790 done_ccb->ccb_h.path_id, 791 softc->pm_step, 0) == CAM_REQ_CMP) { 792 xpt_async(AC_LOST_DEVICE, dpath, NULL); 793 xpt_free_path(dpath); 794 } 795 softc->pm_step++; 796 } 797 } 798 if (softc->pm_step >= softc->pm_ports) { 799 if (softc->reset & softc->found) { 800 cam_freeze_devq(periph->path); 801 cam_release_devq(periph->path, 802 RELSIM_RELEASE_AFTER_TIMEOUT, 803 /*reduction*/0, 804 /*timeout*/1000, 805 /*getcount_only*/0); 806 } 807 softc->state = PMP_STATE_CLEAR; 808 softc->pm_step = 0; 809 } 810 xpt_release_ccb(done_ccb); 811 xpt_schedule(periph, priority); 812 return; 813 case PMP_STATE_CLEAR: 814 softc->pm_step++; 815 if (softc->pm_step >= softc->pm_ports) { 816 softc->state = PMP_STATE_CONFIG; 817 softc->pm_step = 0; 818 } 819 xpt_release_ccb(done_ccb); 820 xpt_schedule(periph, priority); 821 return; 822 case PMP_STATE_CONFIG: 823 for (i = 0; i < softc->pm_ports; i++) { 824 union ccb *ccb; 825 826 if ((softc->found & (1 << i)) == 0) 827 continue; 828 if (xpt_create_path(&dpath, periph, 829 xpt_path_path_id(periph->path), 830 i, 0) != CAM_REQ_CMP) { 831 printf("pmpdone: xpt_create_path failed\n"); 832 continue; 833 } 834 /* If we did hard reset to this device, inform XPT. */ 835 if ((softc->reset & softc->found & (1 << i)) != 0) 836 xpt_async(AC_SENT_BDR, dpath, NULL); 837 /* If rescan requested, scan this device. */ 838 if (softc->events & PMP_EV_RESCAN) { 839 ccb = xpt_alloc_ccb_nowait(); 840 if (ccb == NULL) { 841 xpt_free_path(dpath); 842 goto done; 843 } 844 xpt_setup_ccb(&ccb->ccb_h, dpath, CAM_PRIORITY_XPT); 845 xpt_rescan(ccb); 846 } else 847 xpt_free_path(dpath); 848 } 849 break; 850 default: 851 break; 852 } 853done: 854 xpt_release_ccb(done_ccb); 855 softc->state = PMP_STATE_NORMAL; 856 softc->events = 0; 857 xpt_release_boot(); 858 pmprelease(periph, -1); 859 cam_periph_release_locked(periph); 860} 861 862#endif /* _KERNEL */ 863