1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2011-2015 LSI Corp. 5 * Copyright (c) 2013-2015 Avago Technologies 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD 30 */ 31 32#include <sys/cdefs.h> 33__FBSDID("$FreeBSD$"); 34 35/* Communications core for Avago Technologies (LSI) MPT2 */ 36 37/* TODO Move headers to mpsvar */ 38#include <sys/types.h> 39#include <sys/param.h> 40#include <sys/systm.h> 41#include <sys/kernel.h> 42#include <sys/selinfo.h> 43#include <sys/module.h> 44#include <sys/bus.h> 45#include <sys/conf.h> 46#include <sys/bio.h> 47#include <sys/malloc.h> 48#include <sys/uio.h> 49#include <sys/sysctl.h> 50#include <sys/endian.h> 51#include <sys/proc.h> 52#include <sys/queue.h> 53#include <sys/kthread.h> 54#include <sys/taskqueue.h> 55#include <sys/sbuf.h> 56#include <sys/reboot.h> 57 58#include <machine/bus.h> 59#include <machine/resource.h> 60#include <sys/rman.h> 61 62#include <machine/stdarg.h> 63 64#include <cam/cam.h> 65#include <cam/cam_ccb.h> 66#include <cam/cam_debug.h> 67#include <cam/cam_sim.h> 68#include <cam/cam_xpt_sim.h> 69#include <cam/cam_xpt_periph.h> 70#include <cam/cam_periph.h> 71#include <cam/scsi/scsi_all.h> 72#include <cam/scsi/scsi_message.h> 73 74#include <dev/mps/mpi/mpi2_type.h> 75#include <dev/mps/mpi/mpi2.h> 76#include <dev/mps/mpi/mpi2_ioc.h> 77#include <dev/mps/mpi/mpi2_sas.h> 78#include <dev/mps/mpi/mpi2_cnfg.h> 79#include <dev/mps/mpi/mpi2_init.h> 80#include <dev/mps/mpi/mpi2_raid.h> 81#include <dev/mps/mpi/mpi2_tool.h> 82#include <dev/mps/mps_ioctl.h> 83#include <dev/mps/mpsvar.h> 84#include <dev/mps/mps_table.h> 85#include <dev/mps/mps_sas.h> 86 87/* For Hashed SAS Address creation for SATA Drives */ 88#define MPT2SAS_SN_LEN 20 89#define MPT2SAS_MN_LEN 40 90 91struct mps_fw_event_work { 92 u16 event; 93 void *event_data; 94 TAILQ_ENTRY(mps_fw_event_work) ev_link; 95}; 96 97union _sata_sas_address { 98 u8 wwid[8]; 99 struct { 100 u32 high; 101 u32 low; 102 } word; 103}; 104 105/* 106 * define the IDENTIFY DEVICE structure 107 */ 108struct _ata_identify_device_data { 109 u16 reserved1[10]; /* 0-9 */ 110 u16 serial_number[10]; /* 10-19 */ 111 u16 reserved2[7]; /* 20-26 */ 112 u16 model_number[20]; /* 27-46*/ 113 u16 reserved3[170]; /* 47-216 */ 114 u16 rotational_speed; /* 217 */ 115 u16 reserved4[38]; /* 218-255 */ 116}; 117static u32 event_count; 118static void mpssas_fw_work(struct mps_softc *sc, 119 struct mps_fw_event_work *fw_event); 120static void mpssas_fw_event_free(struct mps_softc *, 121 struct mps_fw_event_work *); 122static int mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate); 123static int mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, 124 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, 125 u32 devinfo); 126static void mpssas_ata_id_timeout(struct mps_softc *, struct mps_command *); 127int mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 128 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD); 129static int mpssas_volume_add(struct mps_softc *sc, 130 u16 handle); 131static void mpssas_SSU_to_SATA_devices(struct mps_softc *sc, int howto); 132static void mpssas_stop_unit_done(struct cam_periph *periph, 133 union ccb *done_ccb); 134 135void 136mpssas_evt_handler(struct mps_softc *sc, uintptr_t data, 137 MPI2_EVENT_NOTIFICATION_REPLY *event) 138{ 139 struct mps_fw_event_work *fw_event; 140 u16 sz; 141 142 mps_dprint(sc, MPS_TRACE, "%s\n", __func__); 143 MPS_DPRINT_EVENT(sc, sas, event); 144 mpssas_record_event(sc, event); 145 146 fw_event = malloc(sizeof(struct mps_fw_event_work), M_MPT2, 147 M_ZERO|M_NOWAIT); 148 if (!fw_event) { 149 printf("%s: allocate failed for fw_event\n", __func__); 150 return; 151 } 152 sz = le16toh(event->EventDataLength) * 4; 153 fw_event->event_data = malloc(sz, M_MPT2, M_ZERO|M_NOWAIT); 154 if (!fw_event->event_data) { 155 printf("%s: allocate failed for event_data\n", __func__); 156 free(fw_event, M_MPT2); 157 return; 158 } 159 160 bcopy(event->EventData, fw_event->event_data, sz); 161 fw_event->event = event->Event; 162 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || 163 event->Event == MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE || 164 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) && 165 sc->track_mapping_events) 166 sc->pending_map_events++; 167 168 /* 169 * When wait_for_port_enable flag is set, make sure that all the events 170 * are processed. Increment the startup_refcount and decrement it after 171 * events are processed. 172 */ 173 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || 174 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) && 175 sc->wait_for_port_enable) 176 mpssas_startup_increment(sc->sassc); 177 178 TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link); 179 taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task); 180 181} 182 183static void 184mpssas_fw_event_free(struct mps_softc *sc, struct mps_fw_event_work *fw_event) 185{ 186 187 free(fw_event->event_data, M_MPT2); 188 free(fw_event, M_MPT2); 189} 190 191/** 192 * _mps_fw_work - delayed task for processing firmware events 193 * @sc: per adapter object 194 * @fw_event: The fw_event_work object 195 * Context: user. 196 * 197 * Return nothing. 198 */ 199static void 200mpssas_fw_work(struct mps_softc *sc, struct mps_fw_event_work *fw_event) 201{ 202 struct mpssas_softc *sassc; 203 sassc = sc->sassc; 204 205 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Working on Event: [%x]\n", 206 event_count++,__func__,fw_event->event); 207 switch (fw_event->event) { 208 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: 209 { 210 MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data; 211 MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy; 212 int i; 213 214 data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *) 215 fw_event->event_data; 216 217 mps_mapping_topology_change_event(sc, fw_event->event_data); 218 219 for (i = 0; i < data->NumEntries; i++) { 220 phy = &data->PHY[i]; 221 switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) { 222 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: 223 if (mpssas_add_device(sc, 224 le16toh(phy->AttachedDevHandle), 225 phy->LinkRate)){ 226 mps_dprint(sc, MPS_ERROR, "%s: " 227 "failed to add device with handle " 228 "0x%x\n", __func__, 229 le16toh(phy->AttachedDevHandle)); 230 mpssas_prepare_remove(sassc, le16toh( 231 phy->AttachedDevHandle)); 232 } 233 break; 234 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: 235 mpssas_prepare_remove(sassc,le16toh( 236 phy->AttachedDevHandle)); 237 break; 238 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: 239 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: 240 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: 241 default: 242 break; 243 } 244 } 245 /* 246 * refcount was incremented for this event in 247 * mpssas_evt_handler. Decrement it here because the event has 248 * been processed. 249 */ 250 mpssas_startup_decrement(sassc); 251 break; 252 } 253 case MPI2_EVENT_SAS_DISCOVERY: 254 { 255 MPI2_EVENT_DATA_SAS_DISCOVERY *data; 256 257 data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data; 258 259 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED) 260 mps_dprint(sc, MPS_TRACE,"SAS discovery start event\n"); 261 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) { 262 mps_dprint(sc, MPS_TRACE,"SAS discovery stop event\n"); 263 sassc->flags &= ~MPSSAS_IN_DISCOVERY; 264 mpssas_discovery_end(sassc); 265 } 266 break; 267 } 268 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: 269 { 270 Mpi2EventDataSasEnclDevStatusChange_t *data; 271 data = (Mpi2EventDataSasEnclDevStatusChange_t *) 272 fw_event->event_data; 273 mps_mapping_enclosure_dev_status_change_event(sc, 274 fw_event->event_data); 275 break; 276 } 277 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: 278 { 279 Mpi2EventIrConfigElement_t *element; 280 int i; 281 u8 foreign_config; 282 Mpi2EventDataIrConfigChangeList_t *event_data; 283 struct mpssas_target *targ; 284 unsigned int id; 285 286 event_data = fw_event->event_data; 287 foreign_config = (le32toh(event_data->Flags) & 288 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; 289 290 element = 291 (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; 292 id = mps_mapping_get_raid_tid_from_handle(sc, 293 element->VolDevHandle); 294 295 mps_mapping_ir_config_change_event(sc, event_data); 296 297 for (i = 0; i < event_data->NumElements; i++, element++) { 298 switch (element->ReasonCode) { 299 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: 300 case MPI2_EVENT_IR_CHANGE_RC_ADDED: 301 if (!foreign_config) { 302 if (mpssas_volume_add(sc, 303 le16toh(element->VolDevHandle))){ 304 printf("%s: failed to add RAID " 305 "volume with handle 0x%x\n", 306 __func__, le16toh(element-> 307 VolDevHandle)); 308 } 309 } 310 break; 311 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: 312 case MPI2_EVENT_IR_CHANGE_RC_REMOVED: 313 /* 314 * Rescan after volume is deleted or removed. 315 */ 316 if (!foreign_config) { 317 if (id == MPS_MAP_BAD_ID) { 318 printf("%s: could not get ID " 319 "for volume with handle " 320 "0x%04x\n", __func__, 321 le16toh(element->VolDevHandle)); 322 break; 323 } 324 325 targ = &sassc->targets[id]; 326 targ->handle = 0x0; 327 targ->encl_slot = 0x0; 328 targ->encl_handle = 0x0; 329 targ->exp_dev_handle = 0x0; 330 targ->phy_num = 0x0; 331 targ->linkrate = 0x0; 332 mpssas_rescan_target(sc, targ); 333 printf("RAID target id 0x%x removed\n", 334 targ->tid); 335 } 336 break; 337 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: 338 case MPI2_EVENT_IR_CHANGE_RC_HIDE: 339 /* 340 * Phys Disk of a volume has been created. Hide 341 * it from the OS. 342 */ 343 targ = mpssas_find_target_by_handle(sassc, 0, 344 element->PhysDiskDevHandle); 345 if (targ == NULL) 346 break; 347 348 /* 349 * Set raid component flags only if it is not 350 * WD. OR WrapDrive with 351 * WD_HIDE_ALWAYS/WD_HIDE_IF_VOLUME is set in 352 * NVRAM 353 */ 354 if((!sc->WD_available) || 355 ((sc->WD_available && 356 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) || 357 (sc->WD_valid_config && (sc->WD_hide_expose == 358 MPS_WD_HIDE_IF_VOLUME)))) { 359 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 360 } 361 mpssas_rescan_target(sc, targ); 362 363 break; 364 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: 365 /* 366 * Phys Disk of a volume has been deleted. 367 * Expose it to the OS. 368 */ 369 if (mpssas_add_device(sc, 370 le16toh(element->PhysDiskDevHandle), 0)){ 371 printf("%s: failed to add device with " 372 "handle 0x%x\n", __func__, 373 le16toh(element->PhysDiskDevHandle)); 374 mpssas_prepare_remove(sassc, le16toh(element-> 375 PhysDiskDevHandle)); 376 } 377 break; 378 } 379 } 380 /* 381 * refcount was incremented for this event in 382 * mpssas_evt_handler. Decrement it here because the event has 383 * been processed. 384 */ 385 mpssas_startup_decrement(sassc); 386 break; 387 } 388 case MPI2_EVENT_IR_VOLUME: 389 { 390 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data; 391 392 /* 393 * Informational only. 394 */ 395 mps_dprint(sc, MPS_EVENT, "Received IR Volume event:\n"); 396 switch (event_data->ReasonCode) { 397 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED: 398 mps_dprint(sc, MPS_EVENT, " Volume Settings " 399 "changed from 0x%x to 0x%x for Volome with " 400 "handle 0x%x", le32toh(event_data->PreviousValue), 401 le32toh(event_data->NewValue), 402 le16toh(event_data->VolDevHandle)); 403 break; 404 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED: 405 mps_dprint(sc, MPS_EVENT, " Volume Status " 406 "changed from 0x%x to 0x%x for Volome with " 407 "handle 0x%x", le32toh(event_data->PreviousValue), 408 le32toh(event_data->NewValue), 409 le16toh(event_data->VolDevHandle)); 410 break; 411 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED: 412 mps_dprint(sc, MPS_EVENT, " Volume State " 413 "changed from 0x%x to 0x%x for Volome with " 414 "handle 0x%x", le32toh(event_data->PreviousValue), 415 le32toh(event_data->NewValue), 416 le16toh(event_data->VolDevHandle)); 417 u32 state; 418 struct mpssas_target *targ; 419 state = le32toh(event_data->NewValue); 420 switch (state) { 421 case MPI2_RAID_VOL_STATE_MISSING: 422 case MPI2_RAID_VOL_STATE_FAILED: 423 mpssas_prepare_volume_remove(sassc, event_data-> 424 VolDevHandle); 425 break; 426 427 case MPI2_RAID_VOL_STATE_ONLINE: 428 case MPI2_RAID_VOL_STATE_DEGRADED: 429 case MPI2_RAID_VOL_STATE_OPTIMAL: 430 targ = mpssas_find_target_by_handle(sassc, 0, event_data->VolDevHandle); 431 if (targ) { 432 printf("%s %d: Volume handle 0x%x is already added \n", 433 __func__, __LINE__ , event_data->VolDevHandle); 434 break; 435 } 436 if (mpssas_volume_add(sc, le16toh(event_data->VolDevHandle))) { 437 printf("%s: failed to add RAID " 438 "volume with handle 0x%x\n", 439 __func__, le16toh(event_data-> 440 VolDevHandle)); 441 } 442 break; 443 default: 444 break; 445 } 446 break; 447 default: 448 break; 449 } 450 break; 451 } 452 case MPI2_EVENT_IR_PHYSICAL_DISK: 453 { 454 Mpi2EventDataIrPhysicalDisk_t *event_data = 455 fw_event->event_data; 456 struct mpssas_target *targ; 457 458 /* 459 * Informational only. 460 */ 461 mps_dprint(sc, MPS_EVENT, "Received IR Phys Disk event:\n"); 462 switch (event_data->ReasonCode) { 463 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED: 464 mps_dprint(sc, MPS_EVENT, " Phys Disk Settings " 465 "changed from 0x%x to 0x%x for Phys Disk Number " 466 "%d and handle 0x%x at Enclosure handle 0x%x, Slot " 467 "%d", le32toh(event_data->PreviousValue), 468 le32toh(event_data->NewValue), 469 event_data->PhysDiskNum, 470 le16toh(event_data->PhysDiskDevHandle), 471 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 472 break; 473 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED: 474 mps_dprint(sc, MPS_EVENT, " Phys Disk Status changed " 475 "from 0x%x to 0x%x for Phys Disk Number %d and " 476 "handle 0x%x at Enclosure handle 0x%x, Slot %d", 477 le32toh(event_data->PreviousValue), 478 le32toh(event_data->NewValue), event_data->PhysDiskNum, 479 le16toh(event_data->PhysDiskDevHandle), 480 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 481 break; 482 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED: 483 mps_dprint(sc, MPS_EVENT, " Phys Disk State changed " 484 "from 0x%x to 0x%x for Phys Disk Number %d and " 485 "handle 0x%x at Enclosure handle 0x%x, Slot %d", 486 le32toh(event_data->PreviousValue), 487 le32toh(event_data->NewValue), event_data->PhysDiskNum, 488 le16toh(event_data->PhysDiskDevHandle), 489 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 490 switch (event_data->NewValue) { 491 case MPI2_RAID_PD_STATE_ONLINE: 492 case MPI2_RAID_PD_STATE_DEGRADED: 493 case MPI2_RAID_PD_STATE_REBUILDING: 494 case MPI2_RAID_PD_STATE_OPTIMAL: 495 case MPI2_RAID_PD_STATE_HOT_SPARE: 496 targ = mpssas_find_target_by_handle(sassc, 0, 497 event_data->PhysDiskDevHandle); 498 if (targ) { 499 if(!sc->WD_available) { 500 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 501 printf("%s %d: Found Target for handle 0x%x. \n", 502 __func__, __LINE__ , event_data->PhysDiskDevHandle); 503 } else if ((sc->WD_available && 504 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) || 505 (sc->WD_valid_config && (sc->WD_hide_expose == 506 MPS_WD_HIDE_IF_VOLUME))) { 507 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 508 printf("%s %d: WD: Found Target for handle 0x%x. \n", 509 __func__, __LINE__ , event_data->PhysDiskDevHandle); 510 } 511 } 512 break; 513 case MPI2_RAID_PD_STATE_OFFLINE: 514 case MPI2_RAID_PD_STATE_NOT_CONFIGURED: 515 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: 516 default: 517 targ = mpssas_find_target_by_handle(sassc, 0, 518 event_data->PhysDiskDevHandle); 519 if (targ) { 520 targ->flags |= ~MPS_TARGET_FLAGS_RAID_COMPONENT; 521 printf("%s %d: Found Target for handle 0x%x. \n", 522 __func__, __LINE__ , event_data->PhysDiskDevHandle); 523 } 524 break; 525 } 526 default: 527 break; 528 } 529 break; 530 } 531 case MPI2_EVENT_IR_OPERATION_STATUS: 532 { 533 Mpi2EventDataIrOperationStatus_t *event_data = 534 fw_event->event_data; 535 536 /* 537 * Informational only. 538 */ 539 mps_dprint(sc, MPS_EVENT, "Received IR Op Status event:\n"); 540 mps_dprint(sc, MPS_EVENT, " RAID Operation of %d is %d " 541 "percent complete for Volume with handle 0x%x", 542 event_data->RAIDOperation, event_data->PercentComplete, 543 le16toh(event_data->VolDevHandle)); 544 break; 545 } 546 case MPI2_EVENT_LOG_ENTRY_ADDED: 547 { 548 pMpi2EventDataLogEntryAdded_t logEntry; 549 uint16_t logQualifier; 550 uint8_t logCode; 551 552 logEntry = (pMpi2EventDataLogEntryAdded_t)fw_event->event_data; 553 logQualifier = logEntry->LogEntryQualifier; 554 555 if (logQualifier == MPI2_WD_LOG_ENTRY) { 556 logCode = logEntry->LogData[0]; 557 558 switch (logCode) { 559 case MPI2_WD_SSD_THROTTLING: 560 printf("WarpDrive Warning: IO Throttling has " 561 "occurred in the WarpDrive subsystem. " 562 "Check WarpDrive documentation for " 563 "additional details\n"); 564 break; 565 case MPI2_WD_DRIVE_LIFE_WARN: 566 printf("WarpDrive Warning: Program/Erase " 567 "Cycles for the WarpDrive subsystem in " 568 "degraded range. Check WarpDrive " 569 "documentation for additional details\n"); 570 break; 571 case MPI2_WD_DRIVE_LIFE_DEAD: 572 printf("WarpDrive Fatal Error: There are no " 573 "Program/Erase Cycles for the WarpDrive " 574 "subsystem. The storage device will be in " 575 "read-only mode. Check WarpDrive " 576 "documentation for additional details\n"); 577 break; 578 case MPI2_WD_RAIL_MON_FAIL: 579 printf("WarpDrive Fatal Error: The Backup Rail " 580 "Monitor has failed on the WarpDrive " 581 "subsystem. Check WarpDrive documentation " 582 "for additional details\n"); 583 break; 584 default: 585 break; 586 } 587 } 588 break; 589 } 590 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: 591 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: 592 default: 593 mps_dprint(sc, MPS_TRACE,"Unhandled event 0x%0X\n", 594 fw_event->event); 595 break; 596 597 } 598 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Event Free: [%x]\n",event_count,__func__, fw_event->event); 599 mpssas_fw_event_free(sc, fw_event); 600} 601 602void 603mpssas_firmware_event_work(void *arg, int pending) 604{ 605 struct mps_fw_event_work *fw_event; 606 struct mps_softc *sc; 607 608 sc = (struct mps_softc *)arg; 609 mps_lock(sc); 610 while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) { 611 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link); 612 mpssas_fw_work(sc, fw_event); 613 } 614 mps_unlock(sc); 615} 616 617static int 618mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate){ 619 char devstring[80]; 620 struct mpssas_softc *sassc; 621 struct mpssas_target *targ; 622 Mpi2ConfigReply_t mpi_reply; 623 Mpi2SasDevicePage0_t config_page; 624 uint64_t sas_address; 625 uint64_t parent_sas_address = 0; 626 u32 device_info, parent_devinfo = 0; 627 unsigned int id; 628 int ret = 1, error = 0, i; 629 struct mpssas_lun *lun; 630 u8 is_SATA_SSD = 0; 631 struct mps_command *cm; 632 633 sassc = sc->sassc; 634 mpssas_startup_increment(sassc); 635 if (mps_config_get_sas_device_pg0(sc, &mpi_reply, &config_page, 636 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle) != 0) { 637 mps_dprint(sc, MPS_INFO|MPS_MAPPING|MPS_FAULT, 638 "Error reading SAS device %#x page0, iocstatus= 0x%x\n", 639 handle, mpi_reply.IOCStatus); 640 error = ENXIO; 641 goto out; 642 } 643 644 device_info = le32toh(config_page.DeviceInfo); 645 646 if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) 647 && (le16toh(config_page.ParentDevHandle) != 0)) { 648 Mpi2ConfigReply_t tmp_mpi_reply; 649 Mpi2SasDevicePage0_t parent_config_page; 650 651 if (mps_config_get_sas_device_pg0(sc, &tmp_mpi_reply, 652 &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, 653 le16toh(config_page.ParentDevHandle)) != 0) { 654 mps_dprint(sc, MPS_MAPPING|MPS_FAULT, 655 "Error reading parent SAS device %#x page0, " 656 "iocstatus= 0x%x\n", 657 le16toh(config_page.ParentDevHandle), 658 tmp_mpi_reply.IOCStatus); 659 } else { 660 parent_sas_address = parent_config_page.SASAddress.High; 661 parent_sas_address = (parent_sas_address << 32) | 662 parent_config_page.SASAddress.Low; 663 parent_devinfo = le32toh(parent_config_page.DeviceInfo); 664 } 665 } 666 /* TODO Check proper endianness */ 667 sas_address = config_page.SASAddress.High; 668 sas_address = (sas_address << 32) | config_page.SASAddress.Low; 669 mps_dprint(sc, MPS_MAPPING, "Handle 0x%04x SAS Address from SAS device " 670 "page0 = %jx\n", handle, sas_address); 671 672 /* 673 * Always get SATA Identify information because this is used to 674 * determine if Start/Stop Unit should be sent to the drive when the 675 * system is shutdown. 676 */ 677 if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) { 678 ret = mpssas_get_sas_address_for_sata_disk(sc, &sas_address, 679 handle, device_info, &is_SATA_SSD); 680 if (ret) { 681 mps_dprint(sc, MPS_MAPPING|MPS_ERROR, 682 "%s: failed to get disk type (SSD or HDD) for SATA " 683 "device with handle 0x%04x\n", 684 __func__, handle); 685 } else { 686 mps_dprint(sc, MPS_MAPPING, "Handle 0x%04x SAS Address " 687 "from SATA device = %jx\n", handle, sas_address); 688 } 689 } 690 691 /* 692 * use_phynum: 693 * 1 - use the PhyNum field as a fallback to the mapping logic 694 * 0 - never use the PhyNum field 695 * -1 - only use the PhyNum field 696 * 697 * Note that using the Phy number to map a device can cause device adds 698 * to fail if multiple enclosures/expanders are in the topology. For 699 * example, if two devices are in the same slot number in two different 700 * enclosures within the topology, only one of those devices will be 701 * added. PhyNum mapping should not be used if multiple enclosures are 702 * in the topology. 703 */ 704 id = MPS_MAP_BAD_ID; 705 if (sc->use_phynum != -1) 706 id = mps_mapping_get_tid(sc, sas_address, handle); 707 if (id == MPS_MAP_BAD_ID) { 708 if ((sc->use_phynum == 0) 709 || ((id = config_page.PhyNum) > sassc->maxtargets)) { 710 mps_dprint(sc, MPS_INFO, "failure at %s:%d/%s()! " 711 "Could not get ID for device with handle 0x%04x\n", 712 __FILE__, __LINE__, __func__, handle); 713 error = ENXIO; 714 goto out; 715 } 716 } 717 mps_dprint(sc, MPS_MAPPING, "%s: Target ID for added device is %d.\n", 718 __func__, id); 719 720 /* 721 * Only do the ID check and reuse check if the target is not from a 722 * RAID Component. For Physical Disks of a Volume, the ID will be reused 723 * when a volume is deleted because the mapping entry for the PD will 724 * still be in the mapping table. The ID check should not be done here 725 * either since this PD is already being used. 726 */ 727 targ = &sassc->targets[id]; 728 if (!(targ->flags & MPS_TARGET_FLAGS_RAID_COMPONENT)) { 729 if (mpssas_check_id(sassc, id) != 0) { 730 mps_dprint(sc, MPS_MAPPING|MPS_INFO, 731 "Excluding target id %d\n", id); 732 error = ENXIO; 733 goto out; 734 } 735 736 if (targ->handle != 0x0) { 737 mps_dprint(sc, MPS_MAPPING, "Attempting to reuse " 738 "target id %d handle 0x%04x\n", id, targ->handle); 739 error = ENXIO; 740 goto out; 741 } 742 } 743 744 targ->devinfo = device_info; 745 targ->devname = le32toh(config_page.DeviceName.High); 746 targ->devname = (targ->devname << 32) | 747 le32toh(config_page.DeviceName.Low); 748 targ->encl_handle = le16toh(config_page.EnclosureHandle); 749 targ->encl_slot = le16toh(config_page.Slot); 750 targ->handle = handle; 751 targ->parent_handle = le16toh(config_page.ParentDevHandle); 752 targ->sasaddr = mps_to_u64(&config_page.SASAddress); 753 targ->parent_sasaddr = le64toh(parent_sas_address); 754 targ->parent_devinfo = parent_devinfo; 755 targ->tid = id; 756 targ->linkrate = (linkrate>>4); 757 targ->flags = 0; 758 if (is_SATA_SSD) { 759 targ->flags = MPS_TARGET_IS_SATA_SSD; 760 } 761 TAILQ_INIT(&targ->commands); 762 TAILQ_INIT(&targ->timedout_commands); 763 while(!SLIST_EMPTY(&targ->luns)) { 764 lun = SLIST_FIRST(&targ->luns); 765 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 766 free(lun, M_MPT2); 767 } 768 SLIST_INIT(&targ->luns); 769 770 mps_describe_devinfo(targ->devinfo, devstring, 80); 771 mps_dprint(sc, MPS_MAPPING, "Found device <%s> <%s> <0x%04x> <%d/%d>\n", 772 devstring, mps_describe_table(mps_linkrate_names, targ->linkrate), 773 targ->handle, targ->encl_handle, targ->encl_slot); 774 775#if __FreeBSD_version < 1000039 776 if ((sassc->flags & MPSSAS_IN_STARTUP) == 0) 777#endif 778 mpssas_rescan_target(sc, targ); 779 mps_dprint(sc, MPS_MAPPING, "Target id 0x%x added\n", targ->tid); 780 781 /* 782 * Check all commands to see if the SATA_ID_TIMEOUT flag has been set. 783 * If so, send a Target Reset TM to the target that was just created. 784 * An Abort Task TM should be used instead of a Target Reset, but that 785 * would be much more difficult because targets have not been fully 786 * discovered yet, and LUN's haven't been setup. So, just reset the 787 * target instead of the LUN. 788 */ 789 for (i = 1; i < sc->num_reqs; i++) { 790 cm = &sc->commands[i]; 791 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) { 792 targ->timeouts++; 793 cm->cm_flags |= MPS_CM_FLAGS_TIMEDOUT; 794 795 if ((targ->tm = mpssas_alloc_tm(sc)) != NULL) { 796 mps_dprint(sc, MPS_INFO, "%s: sending Target " 797 "Reset for stuck SATA identify command " 798 "(cm = %p)\n", __func__, cm); 799 targ->tm->cm_targ = targ; 800 mpssas_send_reset(sc, targ->tm, 801 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET); 802 } else { 803 mps_dprint(sc, MPS_ERROR, "Failed to allocate " 804 "tm for Target Reset after SATA ID command " 805 "timed out (cm %p)\n", cm); 806 } 807 /* 808 * No need to check for more since the target is 809 * already being reset. 810 */ 811 break; 812 } 813 } 814out: 815 /* 816 * Free the commands that may not have been freed from the SATA ID call 817 */ 818 for (i = 1; i < sc->num_reqs; i++) { 819 cm = &sc->commands[i]; 820 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) { 821 free(cm->cm_data, M_MPT2); 822 mps_free_command(sc, cm); 823 } 824 } 825 mpssas_startup_decrement(sassc); 826 return (error); 827} 828 829int 830mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 831 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD) 832{ 833 Mpi2SataPassthroughReply_t mpi_reply; 834 int i, rc, try_count; 835 u32 *bufferptr; 836 union _sata_sas_address hash_address; 837 struct _ata_identify_device_data ata_identify; 838 u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN]; 839 u32 ioc_status; 840 u8 sas_status; 841 842 memset(&ata_identify, 0, sizeof(ata_identify)); 843 try_count = 0; 844 do { 845 rc = mpssas_get_sata_identify(sc, handle, &mpi_reply, 846 (char *)&ata_identify, sizeof(ata_identify), device_info); 847 try_count++; 848 ioc_status = le16toh(mpi_reply.IOCStatus) 849 & MPI2_IOCSTATUS_MASK; 850 sas_status = mpi_reply.SASStatus; 851 switch (ioc_status) { 852 case MPI2_IOCSTATUS_SUCCESS: 853 break; 854 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: 855 /* No sense sleeping. this error won't get better */ 856 break; 857 default: 858 if (sc->spinup_wait_time > 0) { 859 mps_dprint(sc, MPS_INFO, "Sleeping %d seconds " 860 "after SATA ID error to wait for spinup\n", 861 sc->spinup_wait_time); 862 msleep(&sc->msleep_fake_chan, &sc->mps_mtx, 0, 863 "mpsid", sc->spinup_wait_time * hz); 864 } 865 } 866 } while (((rc && (rc != EWOULDBLOCK)) || 867 (ioc_status && 868 (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR)) 869 || sas_status) && (try_count < 5)); 870 871 if (rc == 0 && !ioc_status && !sas_status) { 872 mps_dprint(sc, MPS_MAPPING, "%s: got SATA identify " 873 "successfully for handle = 0x%x with try_count = %d\n", 874 __func__, handle, try_count); 875 } else { 876 mps_dprint(sc, MPS_MAPPING, "%s: handle = 0x%x failed\n", 877 __func__, handle); 878 return -1; 879 } 880 /* Copy & byteswap the 40 byte model number to a buffer */ 881 for (i = 0; i < MPT2SAS_MN_LEN; i += 2) { 882 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1]; 883 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i]; 884 } 885 /* Copy & byteswap the 20 byte serial number to a buffer */ 886 for (i = 0; i < MPT2SAS_SN_LEN; i += 2) { 887 buffer[MPT2SAS_MN_LEN + i] = 888 ((u8 *)ata_identify.serial_number)[i + 1]; 889 buffer[MPT2SAS_MN_LEN + i + 1] = 890 ((u8 *)ata_identify.serial_number)[i]; 891 } 892 bufferptr = (u32 *)buffer; 893 /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8, 894 * so loop through the first 56 bytes (7*8), 895 * and then add in the last dword. 896 */ 897 hash_address.word.low = 0; 898 hash_address.word.high = 0; 899 for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) { 900 hash_address.word.low += *bufferptr; 901 bufferptr++; 902 hash_address.word.high += *bufferptr; 903 bufferptr++; 904 } 905 /* Add the last dword */ 906 hash_address.word.low += *bufferptr; 907 /* Make sure the hash doesn't start with 5, because it could clash 908 * with a SAS address. Change 5 to a D. 909 */ 910 if ((hash_address.word.high & 0x000000F0) == (0x00000050)) 911 hash_address.word.high |= 0x00000080; 912 *sas_address = (u64)hash_address.wwid[0] << 56 | 913 (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 | 914 (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 | 915 (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] << 8 | 916 (u64)hash_address.wwid[7]; 917 if (ata_identify.rotational_speed == 1) { 918 *is_SATA_SSD = 1; 919 } 920 921 return 0; 922} 923 924static int 925mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, 926 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo) 927{ 928 Mpi2SataPassthroughRequest_t *mpi_request; 929 Mpi2SataPassthroughReply_t *reply = NULL; 930 struct mps_command *cm; 931 char *buffer; 932 int error = 0; 933 934 buffer = malloc( sz, M_MPT2, M_NOWAIT | M_ZERO); 935 if (!buffer) 936 return ENOMEM; 937 938 if ((cm = mps_alloc_command(sc)) == NULL) { 939 free(buffer, M_MPT2); 940 return (EBUSY); 941 } 942 mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req; 943 bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST)); 944 mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH; 945 mpi_request->VF_ID = 0; 946 mpi_request->DevHandle = htole16(handle); 947 mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO | 948 MPI2_SATA_PT_REQ_PT_FLAGS_READ); 949 mpi_request->DataLength = htole32(sz); 950 mpi_request->CommandFIS[0] = 0x27; 951 mpi_request->CommandFIS[1] = 0x80; 952 mpi_request->CommandFIS[2] = (devinfo & 953 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC; 954 cm->cm_sge = &mpi_request->SGL; 955 cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION); 956 cm->cm_flags = MPS_CM_FLAGS_SGE_SIMPLE | MPS_CM_FLAGS_DATAIN; 957 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 958 cm->cm_data = buffer; 959 cm->cm_length = htole32(sz); 960 961 /* 962 * Use a custom handler to avoid reinit'ing the controller on timeout. 963 * This fixes a problem where the FW does not send a reply sometimes 964 * when a bad disk is in the topology. So, this is used to timeout the 965 * command so that processing can continue normally. 966 */ 967 cm->cm_timeout_handler = mpssas_ata_id_timeout; 968 969 error = mps_wait_command(sc, &cm, MPS_ATA_ID_TIMEOUT, CAN_SLEEP); 970 971 /* mpssas_ata_id_timeout does not reset controller */ 972 KASSERT(cm != NULL, ("%s: surprise command freed", __func__)); 973 974 reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply; 975 if (error || (reply == NULL)) { 976 /* FIXME */ 977 /* 978 * If the request returns an error then we need to do a diag 979 * reset 980 */ 981 mps_dprint(sc, MPS_INFO|MPS_FAULT|MPS_MAPPING, 982 "Request for SATA PASSTHROUGH page completed with error %d\n", 983 error); 984 error = ENXIO; 985 goto out; 986 } 987 bcopy(buffer, id_buffer, sz); 988 bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t)); 989 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) != 990 MPI2_IOCSTATUS_SUCCESS) { 991 mps_dprint(sc, MPS_INFO|MPS_MAPPING|MPS_FAULT, 992 "Error reading device %#x SATA PASSTHRU; iocstatus= 0x%x\n", 993 handle, reply->IOCStatus); 994 error = ENXIO; 995 goto out; 996 } 997out: 998 /* 999 * If the SATA_ID_TIMEOUT flag has been set for this command, don't free 1000 * it. The command and buffer will be freed after sending an Abort 1001 * Task TM. 1002 */ 1003 if ((cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) == 0) { 1004 mps_free_command(sc, cm); 1005 free(buffer, M_MPT2); 1006 } 1007 return (error); 1008} 1009 1010static void 1011mpssas_ata_id_timeout(struct mps_softc *sc, struct mps_command *cm) 1012{ 1013 1014 mps_dprint(sc, MPS_INFO, "%s ATA ID command timeout cm %p sc %p\n", 1015 __func__, cm, sc); 1016 1017 /* 1018 * The Abort Task cannot be sent from here because the driver has not 1019 * completed setting up targets. Instead, the command is flagged so 1020 * that special handling will be used to send the abort. Now that 1021 * this command has timed out, it's no longer in the queue. 1022 */ 1023 cm->cm_flags |= MPS_CM_FLAGS_SATA_ID_TIMEOUT; 1024 cm->cm_state = MPS_CM_STATE_BUSY; 1025} 1026 1027static int 1028mpssas_volume_add(struct mps_softc *sc, u16 handle) 1029{ 1030 struct mpssas_softc *sassc; 1031 struct mpssas_target *targ; 1032 u64 wwid; 1033 unsigned int id; 1034 int error = 0; 1035 struct mpssas_lun *lun; 1036 1037 sassc = sc->sassc; 1038 mpssas_startup_increment(sassc); 1039 /* wwid is endian safe */ 1040 mps_config_get_volume_wwid(sc, handle, &wwid); 1041 if (!wwid) { 1042 printf("%s: invalid WWID; cannot add volume to mapping table\n", 1043 __func__); 1044 error = ENXIO; 1045 goto out; 1046 } 1047 1048 id = mps_mapping_get_raid_tid(sc, wwid, handle); 1049 if (id == MPS_MAP_BAD_ID) { 1050 printf("%s: could not get ID for volume with handle 0x%04x and " 1051 "WWID 0x%016llx\n", __func__, handle, 1052 (unsigned long long)wwid); 1053 error = ENXIO; 1054 goto out; 1055 } 1056 1057 targ = &sassc->targets[id]; 1058 targ->tid = id; 1059 targ->handle = handle; 1060 targ->devname = wwid; 1061 TAILQ_INIT(&targ->commands); 1062 TAILQ_INIT(&targ->timedout_commands); 1063 while(!SLIST_EMPTY(&targ->luns)) { 1064 lun = SLIST_FIRST(&targ->luns); 1065 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 1066 free(lun, M_MPT2); 1067 } 1068 SLIST_INIT(&targ->luns); 1069#if __FreeBSD_version < 1000039 1070 if ((sassc->flags & MPSSAS_IN_STARTUP) == 0) 1071#endif 1072 mpssas_rescan_target(sc, targ); 1073 mps_dprint(sc, MPS_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n", 1074 targ->tid, wwid); 1075out: 1076 mpssas_startup_decrement(sassc); 1077 return (error); 1078} 1079 1080/** 1081 * mpssas_SSU_to_SATA_devices 1082 * @sc: per adapter object 1083 * @howto: mast of RB_* bits for how we're rebooting 1084 * 1085 * Looks through the target list and issues a StartStopUnit SCSI command to each 1086 * SATA direct-access device. This helps to ensure that data corruption is 1087 * avoided when the system is being shut down. This must be called after the IR 1088 * System Shutdown RAID Action is sent if in IR mode. 1089 * 1090 * Return nothing. 1091 */ 1092static void 1093mpssas_SSU_to_SATA_devices(struct mps_softc *sc, int howto) 1094{ 1095 struct mpssas_softc *sassc = sc->sassc; 1096 union ccb *ccb; 1097 path_id_t pathid = cam_sim_path(sassc->sim); 1098 target_id_t targetid; 1099 struct mpssas_target *target; 1100 char path_str[64]; 1101 int timeout; 1102 1103 /* 1104 * For each target, issue a StartStopUnit command to stop the device. 1105 */ 1106 sc->SSU_started = TRUE; 1107 sc->SSU_refcount = 0; 1108 for (targetid = 0; targetid < sc->max_devices; targetid++) { 1109 target = &sassc->targets[targetid]; 1110 if (target->handle == 0x0) { 1111 continue; 1112 } 1113 1114 ccb = xpt_alloc_ccb_nowait(); 1115 if (ccb == NULL) { 1116 mps_dprint(sc, MPS_FAULT, "Unable to alloc CCB to stop " 1117 "unit.\n"); 1118 return; 1119 } 1120 1121 /* 1122 * The stop_at_shutdown flag will be set if this device is 1123 * a SATA direct-access end device. 1124 */ 1125 if (target->stop_at_shutdown) { 1126 if (xpt_create_path(&ccb->ccb_h.path, 1127 xpt_periph, pathid, targetid, 1128 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1129 mps_dprint(sc, MPS_FAULT, "Unable to create " 1130 "LUN path to stop unit.\n"); 1131 xpt_free_ccb(ccb); 1132 return; 1133 } 1134 xpt_path_string(ccb->ccb_h.path, path_str, 1135 sizeof(path_str)); 1136 1137 mps_dprint(sc, MPS_INFO, "Sending StopUnit: path %s " 1138 "handle %d\n", path_str, target->handle); 1139 1140 /* 1141 * Issue a START STOP UNIT command for the target. 1142 * Increment the SSU counter to be used to count the 1143 * number of required replies. 1144 */ 1145 mps_dprint(sc, MPS_INFO, "Incrementing SSU count\n"); 1146 sc->SSU_refcount++; 1147 ccb->ccb_h.target_id = 1148 xpt_path_target_id(ccb->ccb_h.path); 1149 ccb->ccb_h.ppriv_ptr1 = sassc; 1150 scsi_start_stop(&ccb->csio, 1151 /*retries*/0, 1152 mpssas_stop_unit_done, 1153 MSG_SIMPLE_Q_TAG, 1154 /*start*/FALSE, 1155 /*load/eject*/0, 1156 /*immediate*/FALSE, 1157 MPS_SENSE_LEN, 1158 /*timeout*/10000); 1159 xpt_action(ccb); 1160 } 1161 } 1162 1163 /* 1164 * Timeout after 60 seconds by default or 10 seconds if howto has 1165 * RB_NOSYNC set which indicates we're likely handling a panic. 1166 */ 1167 timeout = 600; 1168 if (howto & RB_NOSYNC) 1169 timeout = 100; 1170 1171 /* 1172 * Wait until all of the SSU commands have completed or timeout has 1173 * expired. Pause for 100ms each time through. If any command 1174 * times out, the target will be reset in the SCSI command timeout 1175 * routine. 1176 */ 1177 while (sc->SSU_refcount > 0) { 1178 pause("mpswait", hz/10); 1179 if (SCHEDULER_STOPPED()) 1180 xpt_sim_poll(sassc->sim); 1181 1182 if (--timeout == 0) { 1183 mps_dprint(sc, MPS_FAULT, "Time has expired waiting " 1184 "for SSU commands to complete.\n"); 1185 break; 1186 } 1187 } 1188} 1189 1190static void 1191mpssas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb) 1192{ 1193 struct mpssas_softc *sassc; 1194 char path_str[64]; 1195 1196 if (done_ccb == NULL) 1197 return; 1198 1199 sassc = (struct mpssas_softc *)done_ccb->ccb_h.ppriv_ptr1; 1200 1201 xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str)); 1202 mps_dprint(sassc->sc, MPS_INFO, "Completing stop unit for %s\n", 1203 path_str); 1204 1205 /* 1206 * Nothing more to do except free the CCB and path. If the command 1207 * timed out, an abort reset, then target reset will be issued during 1208 * the SCSI Command process. 1209 */ 1210 xpt_free_path(done_ccb->ccb_h.path); 1211 xpt_free_ccb(done_ccb); 1212} 1213 1214/** 1215 * mpssas_ir_shutdown - IR shutdown notification 1216 * @sc: per adapter object 1217 * @howto: mast of RB_* bits for how we're rebooting 1218 * 1219 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that 1220 * the host system is shutting down. 1221 * 1222 * Return nothing. 1223 */ 1224void 1225mpssas_ir_shutdown(struct mps_softc *sc, int howto) 1226{ 1227 u16 volume_mapping_flags; 1228 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1229 struct dev_mapping_table *mt_entry; 1230 u32 start_idx, end_idx; 1231 unsigned int id, found_volume = 0; 1232 struct mps_command *cm; 1233 Mpi2RaidActionRequest_t *action; 1234 target_id_t targetid; 1235 struct mpssas_target *target; 1236 1237 mps_dprint(sc, MPS_TRACE, "%s\n", __func__); 1238 1239 /* is IR firmware build loaded? */ 1240 if (!sc->ir_firmware) 1241 goto out; 1242 1243 /* are there any volumes? Look at IR target IDs. */ 1244 // TODO-later, this should be looked up in the RAID config structure 1245 // when it is implemented. 1246 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) & 1247 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; 1248 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) { 1249 start_idx = 0; 1250 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0) 1251 start_idx = 1; 1252 } else 1253 start_idx = sc->max_devices - sc->max_volumes; 1254 end_idx = start_idx + sc->max_volumes - 1; 1255 1256 for (id = start_idx; id < end_idx; id++) { 1257 mt_entry = &sc->mapping_table[id]; 1258 if ((mt_entry->physical_id != 0) && 1259 (mt_entry->missing_count == 0)) { 1260 found_volume = 1; 1261 break; 1262 } 1263 } 1264 1265 if (!found_volume) 1266 goto out; 1267 1268 if ((cm = mps_alloc_command(sc)) == NULL) { 1269 printf("%s: command alloc failed\n", __func__); 1270 goto out; 1271 } 1272 1273 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req; 1274 action->Function = MPI2_FUNCTION_RAID_ACTION; 1275 action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; 1276 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 1277 mps_lock(sc); 1278 mps_wait_command(sc, &cm, 5, CAN_SLEEP); 1279 mps_unlock(sc); 1280 1281 /* 1282 * Don't check for reply, just leave. 1283 */ 1284 if (cm) 1285 mps_free_command(sc, cm); 1286 1287out: 1288 /* 1289 * All of the targets must have the correct value set for 1290 * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable. 1291 * 1292 * The possible values for the 'enable_ssu' variable are: 1293 * 0: disable to SSD and HDD 1294 * 1: disable only to HDD (default) 1295 * 2: disable only to SSD 1296 * 3: enable to SSD and HDD 1297 * anything else will default to 1. 1298 */ 1299 for (targetid = 0; targetid < sc->max_devices; targetid++) { 1300 target = &sc->sassc->targets[targetid]; 1301 if (target->handle == 0x0) { 1302 continue; 1303 } 1304 1305 if (target->supports_SSU) { 1306 switch (sc->enable_ssu) { 1307 case MPS_SSU_DISABLE_SSD_DISABLE_HDD: 1308 target->stop_at_shutdown = FALSE; 1309 break; 1310 case MPS_SSU_DISABLE_SSD_ENABLE_HDD: 1311 target->stop_at_shutdown = TRUE; 1312 if (target->flags & MPS_TARGET_IS_SATA_SSD) { 1313 target->stop_at_shutdown = FALSE; 1314 } 1315 break; 1316 case MPS_SSU_ENABLE_SSD_ENABLE_HDD: 1317 target->stop_at_shutdown = TRUE; 1318 break; 1319 case MPS_SSU_ENABLE_SSD_DISABLE_HDD: 1320 default: 1321 target->stop_at_shutdown = TRUE; 1322 if ((target->flags & 1323 MPS_TARGET_IS_SATA_SSD) == 0) { 1324 target->stop_at_shutdown = FALSE; 1325 } 1326 break; 1327 } 1328 } 1329 } 1330 mpssas_SSU_to_SATA_devices(sc, howto); 1331} 1332