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 91 struct mps_fw_event_work { 92 u16 event; 93 void *event_data; 94 TAILQ_ENTRY(mps_fw_event_work) ev_link; 95 }; 96 97 union _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 */ 108 struct _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 }; 117 static u32 event_count; 118 static void mpssas_fw_work(struct mps_softc *sc, 119 struct mps_fw_event_work *fw_event); 120 static void mpssas_fw_event_free(struct mps_softc *, 121 struct mps_fw_event_work *); 122 static int mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate); 123 static int mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, 124 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, 125 u32 devinfo); 126 static void mpssas_ata_id_complete(struct mps_softc *, struct mps_command *); 127 static void mpssas_ata_id_timeout(struct mps_softc *, struct mps_command *); 128 int mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 129 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD); 130 static int mpssas_volume_add(struct mps_softc *sc, 131 u16 handle); 132 static void mpssas_SSU_to_SATA_devices(struct mps_softc *sc, int howto); 133 static void mpssas_stop_unit_done(struct cam_periph *periph, 134 union ccb *done_ccb); 135 136 void 137 mpssas_evt_handler(struct mps_softc *sc, uintptr_t data, 138 MPI2_EVENT_NOTIFICATION_REPLY *event) 139 { 140 struct mps_fw_event_work *fw_event; 141 u16 sz; 142 143 mps_dprint(sc, MPS_TRACE, "%s\n", __func__); 144 MPS_DPRINT_EVENT(sc, sas, event); 145 mpssas_record_event(sc, event); 146 147 fw_event = malloc(sizeof(struct mps_fw_event_work), M_MPT2, 148 M_ZERO|M_NOWAIT); 149 if (!fw_event) { 150 printf("%s: allocate failed for fw_event\n", __func__); 151 return; 152 } 153 sz = le16toh(event->EventDataLength) * 4; 154 fw_event->event_data = malloc(sz, M_MPT2, M_ZERO|M_NOWAIT); 155 if (!fw_event->event_data) { 156 printf("%s: allocate failed for event_data\n", __func__); 157 free(fw_event, M_MPT2); 158 return; 159 } 160 161 bcopy(event->EventData, fw_event->event_data, sz); 162 fw_event->event = event->Event; 163 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || 164 event->Event == MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE || 165 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) && 166 sc->track_mapping_events) 167 sc->pending_map_events++; 168 169 /* 170 * When wait_for_port_enable flag is set, make sure that all the events 171 * are processed. Increment the startup_refcount and decrement it after 172 * events are processed. 173 */ 174 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || 175 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) && 176 sc->wait_for_port_enable) 177 mpssas_startup_increment(sc->sassc); 178 179 TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link); 180 taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task); 181 182 } 183 184 static void 185 mpssas_fw_event_free(struct mps_softc *sc, struct mps_fw_event_work *fw_event) 186 { 187 188 free(fw_event->event_data, M_MPT2); 189 free(fw_event, M_MPT2); 190 } 191 192 /** 193 * _mps_fw_work - delayed task for processing firmware events 194 * @sc: per adapter object 195 * @fw_event: The fw_event_work object 196 * Context: user. 197 * 198 * Return nothing. 199 */ 200 static void 201 mpssas_fw_work(struct mps_softc *sc, struct mps_fw_event_work *fw_event) 202 { 203 struct mpssas_softc *sassc; 204 sassc = sc->sassc; 205 206 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Working on Event: [%x]\n", 207 event_count++,__func__,fw_event->event); 208 switch (fw_event->event) { 209 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: 210 { 211 MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data; 212 MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy; 213 int i; 214 215 data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *) 216 fw_event->event_data; 217 218 mps_mapping_topology_change_event(sc, fw_event->event_data); 219 220 for (i = 0; i < data->NumEntries; i++) { 221 phy = &data->PHY[i]; 222 switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) { 223 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: 224 if (mpssas_add_device(sc, 225 le16toh(phy->AttachedDevHandle), 226 phy->LinkRate)){ 227 mps_dprint(sc, MPS_ERROR, "%s: " 228 "failed to add device with handle " 229 "0x%x\n", __func__, 230 le16toh(phy->AttachedDevHandle)); 231 mpssas_prepare_remove(sassc, le16toh( 232 phy->AttachedDevHandle)); 233 } 234 break; 235 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: 236 mpssas_prepare_remove(sassc,le16toh( 237 phy->AttachedDevHandle)); 238 break; 239 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: 240 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: 241 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: 242 default: 243 break; 244 } 245 } 246 /* 247 * refcount was incremented for this event in 248 * mpssas_evt_handler. Decrement it here because the event has 249 * been processed. 250 */ 251 mpssas_startup_decrement(sassc); 252 break; 253 } 254 case MPI2_EVENT_SAS_DISCOVERY: 255 { 256 MPI2_EVENT_DATA_SAS_DISCOVERY *data; 257 258 data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data; 259 260 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED) 261 mps_dprint(sc, MPS_TRACE,"SAS discovery start event\n"); 262 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) { 263 mps_dprint(sc, MPS_TRACE,"SAS discovery stop event\n"); 264 sassc->flags &= ~MPSSAS_IN_DISCOVERY; 265 mpssas_discovery_end(sassc); 266 } 267 break; 268 } 269 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: 270 { 271 mps_mapping_enclosure_dev_status_change_event(sc, 272 fw_event->event_data); 273 break; 274 } 275 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: 276 { 277 Mpi2EventIrConfigElement_t *element; 278 int i; 279 u8 foreign_config; 280 Mpi2EventDataIrConfigChangeList_t *event_data; 281 struct mpssas_target *targ; 282 unsigned int id; 283 284 event_data = fw_event->event_data; 285 foreign_config = (le32toh(event_data->Flags) & 286 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; 287 288 element = 289 (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; 290 id = mps_mapping_get_raid_tid_from_handle(sc, 291 element->VolDevHandle); 292 293 mps_mapping_ir_config_change_event(sc, event_data); 294 295 for (i = 0; i < event_data->NumElements; i++, element++) { 296 switch (element->ReasonCode) { 297 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: 298 case MPI2_EVENT_IR_CHANGE_RC_ADDED: 299 if (!foreign_config) { 300 if (mpssas_volume_add(sc, 301 le16toh(element->VolDevHandle))){ 302 printf("%s: failed to add RAID " 303 "volume with handle 0x%x\n", 304 __func__, le16toh(element-> 305 VolDevHandle)); 306 } 307 } 308 break; 309 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: 310 case MPI2_EVENT_IR_CHANGE_RC_REMOVED: 311 /* 312 * Rescan after volume is deleted or removed. 313 */ 314 if (!foreign_config) { 315 if (id == MPS_MAP_BAD_ID) { 316 printf("%s: could not get ID " 317 "for volume with handle " 318 "0x%04x\n", __func__, 319 le16toh(element->VolDevHandle)); 320 break; 321 } 322 323 targ = &sassc->targets[id]; 324 targ->handle = 0x0; 325 targ->encl_slot = 0x0; 326 targ->encl_handle = 0x0; 327 targ->exp_dev_handle = 0x0; 328 targ->phy_num = 0x0; 329 targ->linkrate = 0x0; 330 mpssas_rescan_target(sc, targ); 331 printf("RAID target id 0x%x removed\n", 332 targ->tid); 333 } 334 break; 335 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: 336 case MPI2_EVENT_IR_CHANGE_RC_HIDE: 337 /* 338 * Phys Disk of a volume has been created. Hide 339 * it from the OS. 340 */ 341 targ = mpssas_find_target_by_handle(sassc, 0, 342 element->PhysDiskDevHandle); 343 if (targ == NULL) 344 break; 345 346 /* 347 * Set raid component flags only if it is not 348 * WD. OR WrapDrive with 349 * WD_HIDE_ALWAYS/WD_HIDE_IF_VOLUME is set in 350 * NVRAM 351 */ 352 if((!sc->WD_available) || 353 ((sc->WD_available && 354 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) || 355 (sc->WD_valid_config && (sc->WD_hide_expose == 356 MPS_WD_HIDE_IF_VOLUME)))) { 357 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 358 } 359 mpssas_rescan_target(sc, targ); 360 361 break; 362 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: 363 /* 364 * Phys Disk of a volume has been deleted. 365 * Expose it to the OS. 366 */ 367 if (mpssas_add_device(sc, 368 le16toh(element->PhysDiskDevHandle), 0)){ 369 printf("%s: failed to add device with " 370 "handle 0x%x\n", __func__, 371 le16toh(element->PhysDiskDevHandle)); 372 mpssas_prepare_remove(sassc, le16toh(element-> 373 PhysDiskDevHandle)); 374 } 375 break; 376 } 377 } 378 /* 379 * refcount was incremented for this event in 380 * mpssas_evt_handler. Decrement it here because the event has 381 * been processed. 382 */ 383 mpssas_startup_decrement(sassc); 384 break; 385 } 386 case MPI2_EVENT_IR_VOLUME: 387 { 388 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data; 389 390 /* 391 * Informational only. 392 */ 393 mps_dprint(sc, MPS_EVENT, "Received IR Volume event:\n"); 394 switch (event_data->ReasonCode) { 395 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED: 396 mps_dprint(sc, MPS_EVENT, " Volume Settings " 397 "changed from 0x%x to 0x%x for Volome with " 398 "handle 0x%x", le32toh(event_data->PreviousValue), 399 le32toh(event_data->NewValue), 400 le16toh(event_data->VolDevHandle)); 401 break; 402 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED: 403 mps_dprint(sc, MPS_EVENT, " Volume Status " 404 "changed from 0x%x to 0x%x for Volome with " 405 "handle 0x%x", le32toh(event_data->PreviousValue), 406 le32toh(event_data->NewValue), 407 le16toh(event_data->VolDevHandle)); 408 break; 409 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED: 410 mps_dprint(sc, MPS_EVENT, " Volume State " 411 "changed from 0x%x to 0x%x for Volome with " 412 "handle 0x%x", le32toh(event_data->PreviousValue), 413 le32toh(event_data->NewValue), 414 le16toh(event_data->VolDevHandle)); 415 u32 state; 416 struct mpssas_target *targ; 417 state = le32toh(event_data->NewValue); 418 switch (state) { 419 case MPI2_RAID_VOL_STATE_MISSING: 420 case MPI2_RAID_VOL_STATE_FAILED: 421 mpssas_prepare_volume_remove(sassc, event_data-> 422 VolDevHandle); 423 break; 424 425 case MPI2_RAID_VOL_STATE_ONLINE: 426 case MPI2_RAID_VOL_STATE_DEGRADED: 427 case MPI2_RAID_VOL_STATE_OPTIMAL: 428 targ = mpssas_find_target_by_handle(sassc, 0, event_data->VolDevHandle); 429 if (targ) { 430 printf("%s %d: Volume handle 0x%x is already added \n", 431 __func__, __LINE__ , event_data->VolDevHandle); 432 break; 433 } 434 if (mpssas_volume_add(sc, le16toh(event_data->VolDevHandle))) { 435 printf("%s: failed to add RAID " 436 "volume with handle 0x%x\n", 437 __func__, le16toh(event_data-> 438 VolDevHandle)); 439 } 440 break; 441 default: 442 break; 443 } 444 break; 445 default: 446 break; 447 } 448 break; 449 } 450 case MPI2_EVENT_IR_PHYSICAL_DISK: 451 { 452 Mpi2EventDataIrPhysicalDisk_t *event_data = 453 fw_event->event_data; 454 struct mpssas_target *targ; 455 456 /* 457 * Informational only. 458 */ 459 mps_dprint(sc, MPS_EVENT, "Received IR Phys Disk event:\n"); 460 switch (event_data->ReasonCode) { 461 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED: 462 mps_dprint(sc, MPS_EVENT, " Phys Disk Settings " 463 "changed from 0x%x to 0x%x for Phys Disk Number " 464 "%d and handle 0x%x at Enclosure handle 0x%x, Slot " 465 "%d", le32toh(event_data->PreviousValue), 466 le32toh(event_data->NewValue), 467 event_data->PhysDiskNum, 468 le16toh(event_data->PhysDiskDevHandle), 469 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 470 break; 471 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED: 472 mps_dprint(sc, MPS_EVENT, " Phys Disk Status changed " 473 "from 0x%x to 0x%x for Phys Disk Number %d and " 474 "handle 0x%x at Enclosure handle 0x%x, Slot %d", 475 le32toh(event_data->PreviousValue), 476 le32toh(event_data->NewValue), event_data->PhysDiskNum, 477 le16toh(event_data->PhysDiskDevHandle), 478 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 479 break; 480 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED: 481 mps_dprint(sc, MPS_EVENT, " Phys Disk State changed " 482 "from 0x%x to 0x%x for Phys Disk Number %d and " 483 "handle 0x%x at Enclosure handle 0x%x, Slot %d", 484 le32toh(event_data->PreviousValue), 485 le32toh(event_data->NewValue), event_data->PhysDiskNum, 486 le16toh(event_data->PhysDiskDevHandle), 487 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 488 switch (event_data->NewValue) { 489 case MPI2_RAID_PD_STATE_ONLINE: 490 case MPI2_RAID_PD_STATE_DEGRADED: 491 case MPI2_RAID_PD_STATE_REBUILDING: 492 case MPI2_RAID_PD_STATE_OPTIMAL: 493 case MPI2_RAID_PD_STATE_HOT_SPARE: 494 targ = mpssas_find_target_by_handle(sassc, 0, 495 event_data->PhysDiskDevHandle); 496 if (targ) { 497 if(!sc->WD_available) { 498 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 499 printf("%s %d: Found Target for handle 0x%x. \n", 500 __func__, __LINE__ , event_data->PhysDiskDevHandle); 501 } else if ((sc->WD_available && 502 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) || 503 (sc->WD_valid_config && (sc->WD_hide_expose == 504 MPS_WD_HIDE_IF_VOLUME))) { 505 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 506 printf("%s %d: WD: Found Target for handle 0x%x. \n", 507 __func__, __LINE__ , event_data->PhysDiskDevHandle); 508 } 509 } 510 break; 511 case MPI2_RAID_PD_STATE_OFFLINE: 512 case MPI2_RAID_PD_STATE_NOT_CONFIGURED: 513 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: 514 default: 515 targ = mpssas_find_target_by_handle(sassc, 0, 516 event_data->PhysDiskDevHandle); 517 if (targ) { 518 targ->flags |= ~MPS_TARGET_FLAGS_RAID_COMPONENT; 519 printf("%s %d: Found Target for handle 0x%x. \n", 520 __func__, __LINE__ , event_data->PhysDiskDevHandle); 521 } 522 break; 523 } 524 default: 525 break; 526 } 527 break; 528 } 529 case MPI2_EVENT_IR_OPERATION_STATUS: 530 { 531 Mpi2EventDataIrOperationStatus_t *event_data = 532 fw_event->event_data; 533 534 /* 535 * Informational only. 536 */ 537 mps_dprint(sc, MPS_EVENT, "Received IR Op Status event:\n"); 538 mps_dprint(sc, MPS_EVENT, " RAID Operation of %d is %d " 539 "percent complete for Volume with handle 0x%x", 540 event_data->RAIDOperation, event_data->PercentComplete, 541 le16toh(event_data->VolDevHandle)); 542 break; 543 } 544 case MPI2_EVENT_LOG_ENTRY_ADDED: 545 { 546 pMpi2EventDataLogEntryAdded_t logEntry; 547 uint16_t logQualifier; 548 uint8_t logCode; 549 550 logEntry = (pMpi2EventDataLogEntryAdded_t)fw_event->event_data; 551 logQualifier = logEntry->LogEntryQualifier; 552 553 if (logQualifier == MPI2_WD_LOG_ENTRY) { 554 logCode = logEntry->LogData[0]; 555 556 switch (logCode) { 557 case MPI2_WD_SSD_THROTTLING: 558 printf("WarpDrive Warning: IO Throttling has " 559 "occurred in the WarpDrive subsystem. " 560 "Check WarpDrive documentation for " 561 "additional details\n"); 562 break; 563 case MPI2_WD_DRIVE_LIFE_WARN: 564 printf("WarpDrive Warning: Program/Erase " 565 "Cycles for the WarpDrive subsystem in " 566 "degraded range. Check WarpDrive " 567 "documentation for additional details\n"); 568 break; 569 case MPI2_WD_DRIVE_LIFE_DEAD: 570 printf("WarpDrive Fatal Error: There are no " 571 "Program/Erase Cycles for the WarpDrive " 572 "subsystem. The storage device will be in " 573 "read-only mode. Check WarpDrive " 574 "documentation for additional details\n"); 575 break; 576 case MPI2_WD_RAIL_MON_FAIL: 577 printf("WarpDrive Fatal Error: The Backup Rail " 578 "Monitor has failed on the WarpDrive " 579 "subsystem. Check WarpDrive documentation " 580 "for additional details\n"); 581 break; 582 default: 583 break; 584 } 585 } 586 break; 587 } 588 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: 589 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: 590 default: 591 mps_dprint(sc, MPS_TRACE,"Unhandled event 0x%0X\n", 592 fw_event->event); 593 break; 594 } 595 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Event Free: [%x]\n",event_count,__func__, fw_event->event); 596 mpssas_fw_event_free(sc, fw_event); 597 } 598 599 void 600 mpssas_firmware_event_work(void *arg, int pending) 601 { 602 struct mps_fw_event_work *fw_event; 603 struct mps_softc *sc; 604 605 sc = (struct mps_softc *)arg; 606 mps_lock(sc); 607 while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) { 608 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link); 609 mpssas_fw_work(sc, fw_event); 610 } 611 mps_unlock(sc); 612 } 613 614 static int 615 mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate){ 616 char devstring[80]; 617 struct mpssas_softc *sassc; 618 struct mpssas_target *targ; 619 Mpi2ConfigReply_t mpi_reply; 620 Mpi2SasDevicePage0_t config_page; 621 uint64_t sas_address; 622 uint64_t parent_sas_address = 0; 623 u32 device_info, parent_devinfo = 0; 624 unsigned int id; 625 int ret = 1, error = 0, i; 626 struct mpssas_lun *lun; 627 u8 is_SATA_SSD = 0; 628 struct mps_command *cm; 629 630 sassc = sc->sassc; 631 mpssas_startup_increment(sassc); 632 if (mps_config_get_sas_device_pg0(sc, &mpi_reply, &config_page, 633 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle) != 0) { 634 mps_dprint(sc, MPS_INFO|MPS_MAPPING|MPS_FAULT, 635 "Error reading SAS device %#x page0, iocstatus= 0x%x\n", 636 handle, mpi_reply.IOCStatus); 637 error = ENXIO; 638 goto out; 639 } 640 641 device_info = le32toh(config_page.DeviceInfo); 642 643 if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) 644 && (le16toh(config_page.ParentDevHandle) != 0)) { 645 Mpi2ConfigReply_t tmp_mpi_reply; 646 Mpi2SasDevicePage0_t parent_config_page; 647 648 if (mps_config_get_sas_device_pg0(sc, &tmp_mpi_reply, 649 &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, 650 le16toh(config_page.ParentDevHandle)) != 0) { 651 mps_dprint(sc, MPS_MAPPING|MPS_FAULT, 652 "Error reading parent SAS device %#x page0, " 653 "iocstatus= 0x%x\n", 654 le16toh(config_page.ParentDevHandle), 655 tmp_mpi_reply.IOCStatus); 656 } else { 657 parent_sas_address = parent_config_page.SASAddress.High; 658 parent_sas_address = (parent_sas_address << 32) | 659 parent_config_page.SASAddress.Low; 660 parent_devinfo = le32toh(parent_config_page.DeviceInfo); 661 } 662 } 663 /* TODO Check proper endianness */ 664 sas_address = config_page.SASAddress.High; 665 sas_address = (sas_address << 32) | config_page.SASAddress.Low; 666 mps_dprint(sc, MPS_MAPPING, "Handle 0x%04x SAS Address from SAS device " 667 "page0 = %jx\n", handle, sas_address); 668 669 /* 670 * Always get SATA Identify information because this is used to 671 * determine if Start/Stop Unit should be sent to the drive when the 672 * system is shutdown. 673 */ 674 if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) { 675 ret = mpssas_get_sas_address_for_sata_disk(sc, &sas_address, 676 handle, device_info, &is_SATA_SSD); 677 if (ret) { 678 mps_dprint(sc, MPS_MAPPING|MPS_ERROR, 679 "%s: failed to get disk type (SSD or HDD) for SATA " 680 "device with handle 0x%04x\n", 681 __func__, handle); 682 } else { 683 mps_dprint(sc, MPS_MAPPING, "Handle 0x%04x SAS Address " 684 "from SATA device = %jx\n", handle, sas_address); 685 } 686 } 687 688 /* 689 * use_phynum: 690 * 1 - use the PhyNum field as a fallback to the mapping logic 691 * 0 - never use the PhyNum field 692 * -1 - only use the PhyNum field 693 * 694 * Note that using the Phy number to map a device can cause device adds 695 * to fail if multiple enclosures/expanders are in the topology. For 696 * example, if two devices are in the same slot number in two different 697 * enclosures within the topology, only one of those devices will be 698 * added. PhyNum mapping should not be used if multiple enclosures are 699 * in the topology. 700 */ 701 id = MPS_MAP_BAD_ID; 702 if (sc->use_phynum != -1) 703 id = mps_mapping_get_tid(sc, sas_address, handle); 704 if (id == MPS_MAP_BAD_ID) { 705 if ((sc->use_phynum == 0) 706 || ((id = config_page.PhyNum) > sassc->maxtargets)) { 707 mps_dprint(sc, MPS_INFO, "failure at %s:%d/%s()! " 708 "Could not get ID for device with handle 0x%04x\n", 709 __FILE__, __LINE__, __func__, handle); 710 error = ENXIO; 711 goto out; 712 } 713 } 714 mps_dprint(sc, MPS_MAPPING, "%s: Target ID for added device is %d.\n", 715 __func__, id); 716 717 /* 718 * Only do the ID check and reuse check if the target is not from a 719 * RAID Component. For Physical Disks of a Volume, the ID will be reused 720 * when a volume is deleted because the mapping entry for the PD will 721 * still be in the mapping table. The ID check should not be done here 722 * either since this PD is already being used. 723 */ 724 targ = &sassc->targets[id]; 725 if (!(targ->flags & MPS_TARGET_FLAGS_RAID_COMPONENT)) { 726 if (mpssas_check_id(sassc, id) != 0) { 727 mps_dprint(sc, MPS_MAPPING|MPS_INFO, 728 "Excluding target id %d\n", id); 729 error = ENXIO; 730 goto out; 731 } 732 733 if (targ->handle != 0x0) { 734 mps_dprint(sc, MPS_MAPPING, "Attempting to reuse " 735 "target id %d handle 0x%04x\n", id, targ->handle); 736 error = ENXIO; 737 goto out; 738 } 739 } 740 741 targ->devinfo = device_info; 742 targ->devname = le32toh(config_page.DeviceName.High); 743 targ->devname = (targ->devname << 32) | 744 le32toh(config_page.DeviceName.Low); 745 targ->encl_handle = le16toh(config_page.EnclosureHandle); 746 targ->encl_slot = le16toh(config_page.Slot); 747 targ->handle = handle; 748 targ->parent_handle = le16toh(config_page.ParentDevHandle); 749 targ->sasaddr = mps_to_u64(&config_page.SASAddress); 750 targ->parent_sasaddr = le64toh(parent_sas_address); 751 targ->parent_devinfo = parent_devinfo; 752 targ->tid = id; 753 targ->linkrate = (linkrate>>4); 754 targ->flags = 0; 755 if (is_SATA_SSD) { 756 targ->flags = MPS_TARGET_IS_SATA_SSD; 757 } 758 TAILQ_INIT(&targ->commands); 759 TAILQ_INIT(&targ->timedout_commands); 760 while(!SLIST_EMPTY(&targ->luns)) { 761 lun = SLIST_FIRST(&targ->luns); 762 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 763 free(lun, M_MPT2); 764 } 765 SLIST_INIT(&targ->luns); 766 767 mps_describe_devinfo(targ->devinfo, devstring, 80); 768 mps_dprint(sc, MPS_MAPPING, "Found device <%s> <%s> <0x%04x> <%d/%d>\n", 769 devstring, mps_describe_table(mps_linkrate_names, targ->linkrate), 770 targ->handle, targ->encl_handle, targ->encl_slot); 771 772 mpssas_rescan_target(sc, targ); 773 mps_dprint(sc, MPS_MAPPING, "Target id 0x%x added\n", targ->tid); 774 775 /* 776 * Check all commands to see if the SATA_ID_TIMEOUT flag has been set. 777 * If so, send a Target Reset TM to the target that was just created. 778 * An Abort Task TM should be used instead of a Target Reset, but that 779 * would be much more difficult because targets have not been fully 780 * discovered yet, and LUN's haven't been setup. So, just reset the 781 * target instead of the LUN. The commands should complete once the 782 * target has been reset. 783 */ 784 for (i = 1; i < sc->num_reqs; i++) { 785 cm = &sc->commands[i]; 786 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) { 787 targ->timeouts++; 788 cm->cm_flags |= MPS_CM_FLAGS_TIMEDOUT; 789 790 if ((targ->tm = mpssas_alloc_tm(sc)) != NULL) { 791 mps_dprint(sc, MPS_INFO, "%s: sending Target " 792 "Reset for stuck SATA identify command " 793 "(cm = %p)\n", __func__, cm); 794 targ->tm->cm_targ = targ; 795 mpssas_send_reset(sc, targ->tm, 796 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET); 797 } else { 798 mps_dprint(sc, MPS_ERROR, "Failed to allocate " 799 "tm for Target Reset after SATA ID command " 800 "timed out (cm %p)\n", cm); 801 } 802 /* 803 * No need to check for more since the target is 804 * already being reset. 805 */ 806 break; 807 } 808 } 809 out: 810 mpssas_startup_decrement(sassc); 811 return (error); 812 } 813 814 int 815 mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 816 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD) 817 { 818 Mpi2SataPassthroughReply_t mpi_reply; 819 int i, rc, try_count; 820 u32 *bufferptr; 821 union _sata_sas_address hash_address; 822 struct _ata_identify_device_data ata_identify; 823 u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN]; 824 u32 ioc_status; 825 u8 sas_status; 826 827 memset(&ata_identify, 0, sizeof(ata_identify)); 828 try_count = 0; 829 do { 830 rc = mpssas_get_sata_identify(sc, handle, &mpi_reply, 831 (char *)&ata_identify, sizeof(ata_identify), device_info); 832 try_count++; 833 ioc_status = le16toh(mpi_reply.IOCStatus) 834 & MPI2_IOCSTATUS_MASK; 835 sas_status = mpi_reply.SASStatus; 836 switch (ioc_status) { 837 case MPI2_IOCSTATUS_SUCCESS: 838 break; 839 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: 840 /* No sense sleeping. this error won't get better */ 841 break; 842 default: 843 if (sc->spinup_wait_time > 0) { 844 mps_dprint(sc, MPS_INFO, "Sleeping %d seconds " 845 "after SATA ID error to wait for spinup\n", 846 sc->spinup_wait_time); 847 msleep(&sc->msleep_fake_chan, &sc->mps_mtx, 0, 848 "mpsid", sc->spinup_wait_time * hz); 849 } 850 } 851 } while (((rc && (rc != EWOULDBLOCK)) || 852 (ioc_status && 853 (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR)) 854 || sas_status) && (try_count < 5)); 855 856 if (rc == 0 && !ioc_status && !sas_status) { 857 mps_dprint(sc, MPS_MAPPING, "%s: got SATA identify " 858 "successfully for handle = 0x%x with try_count = %d\n", 859 __func__, handle, try_count); 860 } else { 861 mps_dprint(sc, MPS_MAPPING, "%s: handle = 0x%x failed\n", 862 __func__, handle); 863 return -1; 864 } 865 /* Copy & byteswap the 40 byte model number to a buffer */ 866 for (i = 0; i < MPT2SAS_MN_LEN; i += 2) { 867 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1]; 868 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i]; 869 } 870 /* Copy & byteswap the 20 byte serial number to a buffer */ 871 for (i = 0; i < MPT2SAS_SN_LEN; i += 2) { 872 buffer[MPT2SAS_MN_LEN + i] = 873 ((u8 *)ata_identify.serial_number)[i + 1]; 874 buffer[MPT2SAS_MN_LEN + i + 1] = 875 ((u8 *)ata_identify.serial_number)[i]; 876 } 877 bufferptr = (u32 *)buffer; 878 /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8, 879 * so loop through the first 56 bytes (7*8), 880 * and then add in the last dword. 881 */ 882 hash_address.word.low = 0; 883 hash_address.word.high = 0; 884 for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) { 885 hash_address.word.low += *bufferptr; 886 bufferptr++; 887 hash_address.word.high += *bufferptr; 888 bufferptr++; 889 } 890 /* Add the last dword */ 891 hash_address.word.low += *bufferptr; 892 /* Make sure the hash doesn't start with 5, because it could clash 893 * with a SAS address. Change 5 to a D. 894 */ 895 if ((hash_address.word.high & 0x000000F0) == (0x00000050)) 896 hash_address.word.high |= 0x00000080; 897 *sas_address = (u64)hash_address.wwid[0] << 56 | 898 (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 | 899 (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 | 900 (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] << 8 | 901 (u64)hash_address.wwid[7]; 902 if (ata_identify.rotational_speed == 1) { 903 *is_SATA_SSD = 1; 904 } 905 906 return 0; 907 } 908 909 static int 910 mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, 911 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo) 912 { 913 Mpi2SataPassthroughRequest_t *mpi_request; 914 Mpi2SataPassthroughReply_t *reply = NULL; 915 struct mps_command *cm; 916 char *buffer; 917 int error = 0; 918 919 buffer = malloc( sz, M_MPT2, M_NOWAIT | M_ZERO); 920 if (!buffer) 921 return ENOMEM; 922 923 if ((cm = mps_alloc_command(sc)) == NULL) { 924 free(buffer, M_MPT2); 925 return (EBUSY); 926 } 927 mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req; 928 bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST)); 929 mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH; 930 mpi_request->VF_ID = 0; 931 mpi_request->DevHandle = htole16(handle); 932 mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO | 933 MPI2_SATA_PT_REQ_PT_FLAGS_READ); 934 mpi_request->DataLength = htole32(sz); 935 mpi_request->CommandFIS[0] = 0x27; 936 mpi_request->CommandFIS[1] = 0x80; 937 mpi_request->CommandFIS[2] = (devinfo & 938 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC; 939 cm->cm_sge = &mpi_request->SGL; 940 cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION); 941 cm->cm_flags = MPS_CM_FLAGS_SGE_SIMPLE | MPS_CM_FLAGS_DATAIN; 942 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 943 cm->cm_data = buffer; 944 cm->cm_length = htole32(sz); 945 946 /* 947 * Use a custom handler to avoid reinit'ing the controller on timeout. 948 * This fixes a problem where the FW does not send a reply sometimes 949 * when a bad disk is in the topology. So, this is used to timeout the 950 * command so that processing can continue normally. 951 */ 952 cm->cm_timeout_handler = mpssas_ata_id_timeout; 953 954 error = mps_wait_command(sc, &cm, MPS_ATA_ID_TIMEOUT, CAN_SLEEP); 955 956 /* mpssas_ata_id_timeout does not reset controller */ 957 KASSERT(cm != NULL, ("%s: surprise command freed", __func__)); 958 959 reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply; 960 if (error || (reply == NULL)) { 961 /* FIXME */ 962 /* 963 * If the request returns an error then we need to do a diag 964 * reset 965 */ 966 mps_dprint(sc, MPS_INFO|MPS_FAULT|MPS_MAPPING, 967 "Request for SATA PASSTHROUGH page completed with error %d\n", 968 error); 969 error = ENXIO; 970 goto out; 971 } 972 bcopy(buffer, id_buffer, sz); 973 bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t)); 974 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) != 975 MPI2_IOCSTATUS_SUCCESS) { 976 mps_dprint(sc, MPS_INFO|MPS_MAPPING|MPS_FAULT, 977 "Error reading device %#x SATA PASSTHRU; iocstatus= 0x%x\n", 978 handle, reply->IOCStatus); 979 error = ENXIO; 980 goto out; 981 } 982 out: 983 /* 984 * If the SATA_ID_TIMEOUT flag has been set for this command, don't free 985 * it. The command and buffer will be freed after we send a Target 986 * Reset TM and the command comes back from the controller. 987 */ 988 if ((cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) == 0) { 989 mps_free_command(sc, cm); 990 free(buffer, M_MPT2); 991 } 992 return (error); 993 } 994 995 /* 996 * This is completion handler to make sure that commands and allocated 997 * buffers get freed when timed out SATA ID commands finally complete after 998 * we've reset the target. In the normal case, we wait for the command to 999 * complete. 1000 */ 1001 static void 1002 mpssas_ata_id_complete(struct mps_softc *sc, struct mps_command *cm) 1003 { 1004 mps_dprint(sc, MPS_INFO, "%s ATA ID completed late cm %p sc %p\n", 1005 __func__, cm, sc); 1006 1007 free(cm->cm_data, M_MPT2); 1008 mps_free_command(sc, cm); 1009 } 1010 1011 1012 static void 1013 mpssas_ata_id_timeout(struct mps_softc *sc, struct mps_command *cm) 1014 { 1015 mps_dprint(sc, MPS_INFO, "%s ATA ID command timeout cm %p sc %p\n", 1016 __func__, cm, sc); 1017 1018 /* 1019 * The Abort Task cannot be sent from here because the driver has not 1020 * completed setting up targets. Instead, the command is flagged so 1021 * that special handling will be used to send a target reset. 1022 */ 1023 cm->cm_flags |= MPS_CM_FLAGS_SATA_ID_TIMEOUT; 1024 1025 /* 1026 * Since we will no longer be waiting for the command to complete, 1027 * set a completion handler to make sure we free all resources. 1028 */ 1029 cm->cm_complete = mpssas_ata_id_complete; 1030 } 1031 1032 static int 1033 mpssas_volume_add(struct mps_softc *sc, u16 handle) 1034 { 1035 struct mpssas_softc *sassc; 1036 struct mpssas_target *targ; 1037 u64 wwid; 1038 unsigned int id; 1039 int error = 0; 1040 struct mpssas_lun *lun; 1041 1042 sassc = sc->sassc; 1043 mpssas_startup_increment(sassc); 1044 /* wwid is endian safe */ 1045 mps_config_get_volume_wwid(sc, handle, &wwid); 1046 if (!wwid) { 1047 printf("%s: invalid WWID; cannot add volume to mapping table\n", 1048 __func__); 1049 error = ENXIO; 1050 goto out; 1051 } 1052 1053 id = mps_mapping_get_raid_tid(sc, wwid, handle); 1054 if (id == MPS_MAP_BAD_ID) { 1055 printf("%s: could not get ID for volume with handle 0x%04x and " 1056 "WWID 0x%016llx\n", __func__, handle, 1057 (unsigned long long)wwid); 1058 error = ENXIO; 1059 goto out; 1060 } 1061 1062 targ = &sassc->targets[id]; 1063 targ->tid = id; 1064 targ->handle = handle; 1065 targ->devname = wwid; 1066 TAILQ_INIT(&targ->commands); 1067 TAILQ_INIT(&targ->timedout_commands); 1068 while(!SLIST_EMPTY(&targ->luns)) { 1069 lun = SLIST_FIRST(&targ->luns); 1070 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 1071 free(lun, M_MPT2); 1072 } 1073 SLIST_INIT(&targ->luns); 1074 mpssas_rescan_target(sc, targ); 1075 mps_dprint(sc, MPS_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n", 1076 targ->tid, wwid); 1077 out: 1078 mpssas_startup_decrement(sassc); 1079 return (error); 1080 } 1081 1082 /** 1083 * mpssas_SSU_to_SATA_devices 1084 * @sc: per adapter object 1085 * @howto: mast of RB_* bits for how we're rebooting 1086 * 1087 * Looks through the target list and issues a StartStopUnit SCSI command to each 1088 * SATA direct-access device. This helps to ensure that data corruption is 1089 * avoided when the system is being shut down. This must be called after the IR 1090 * System Shutdown RAID Action is sent if in IR mode. 1091 * 1092 * Return nothing. 1093 */ 1094 static void 1095 mpssas_SSU_to_SATA_devices(struct mps_softc *sc, int howto) 1096 { 1097 struct mpssas_softc *sassc = sc->sassc; 1098 union ccb *ccb; 1099 path_id_t pathid = cam_sim_path(sassc->sim); 1100 target_id_t targetid; 1101 struct mpssas_target *target; 1102 char path_str[64]; 1103 int timeout; 1104 1105 /* 1106 * For each target, issue a StartStopUnit command to stop the device. 1107 */ 1108 sc->SSU_started = TRUE; 1109 sc->SSU_refcount = 0; 1110 for (targetid = 0; targetid < sc->max_devices; targetid++) { 1111 target = &sassc->targets[targetid]; 1112 if (target->handle == 0x0) { 1113 continue; 1114 } 1115 1116 ccb = xpt_alloc_ccb_nowait(); 1117 if (ccb == NULL) { 1118 mps_dprint(sc, MPS_FAULT, "Unable to alloc CCB to stop " 1119 "unit.\n"); 1120 return; 1121 } 1122 1123 /* 1124 * The stop_at_shutdown flag will be set if this device is 1125 * a SATA direct-access end device. 1126 */ 1127 if (target->stop_at_shutdown) { 1128 if (xpt_create_path(&ccb->ccb_h.path, 1129 xpt_periph, pathid, targetid, 1130 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1131 mps_dprint(sc, MPS_FAULT, "Unable to create " 1132 "LUN path to stop unit.\n"); 1133 xpt_free_ccb(ccb); 1134 return; 1135 } 1136 xpt_path_string(ccb->ccb_h.path, path_str, 1137 sizeof(path_str)); 1138 1139 mps_dprint(sc, MPS_INFO, "Sending StopUnit: path %s " 1140 "handle %d\n", path_str, target->handle); 1141 1142 /* 1143 * Issue a START STOP UNIT command for the target. 1144 * Increment the SSU counter to be used to count the 1145 * number of required replies. 1146 */ 1147 mps_dprint(sc, MPS_INFO, "Incrementing SSU count\n"); 1148 sc->SSU_refcount++; 1149 ccb->ccb_h.target_id = 1150 xpt_path_target_id(ccb->ccb_h.path); 1151 ccb->ccb_h.ppriv_ptr1 = sassc; 1152 scsi_start_stop(&ccb->csio, 1153 /*retries*/0, 1154 mpssas_stop_unit_done, 1155 MSG_SIMPLE_Q_TAG, 1156 /*start*/FALSE, 1157 /*load/eject*/0, 1158 /*immediate*/FALSE, 1159 MPS_SENSE_LEN, 1160 /*timeout*/10000); 1161 xpt_action(ccb); 1162 } 1163 } 1164 1165 /* 1166 * Timeout after 60 seconds by default or 10 seconds if howto has 1167 * RB_NOSYNC set which indicates we're likely handling a panic. 1168 */ 1169 timeout = 600; 1170 if (howto & RB_NOSYNC) 1171 timeout = 100; 1172 1173 /* 1174 * Wait until all of the SSU commands have completed or timeout has 1175 * expired. Pause for 100ms each time through. If any command 1176 * times out, the target will be reset in the SCSI command timeout 1177 * routine. 1178 */ 1179 while (sc->SSU_refcount > 0) { 1180 pause("mpswait", hz/10); 1181 if (SCHEDULER_STOPPED()) 1182 xpt_sim_poll(sassc->sim); 1183 1184 if (--timeout == 0) { 1185 mps_dprint(sc, MPS_FAULT, "Time has expired waiting " 1186 "for SSU commands to complete.\n"); 1187 break; 1188 } 1189 } 1190 } 1191 1192 static void 1193 mpssas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb) 1194 { 1195 struct mpssas_softc *sassc; 1196 char path_str[64]; 1197 1198 if (done_ccb == NULL) 1199 return; 1200 1201 sassc = (struct mpssas_softc *)done_ccb->ccb_h.ppriv_ptr1; 1202 1203 xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str)); 1204 mps_dprint(sassc->sc, MPS_INFO, "Completing stop unit for %s\n", 1205 path_str); 1206 1207 /* 1208 * Nothing more to do except free the CCB and path. If the command 1209 * timed out, an abort reset, then target reset will be issued during 1210 * the SCSI Command process. 1211 */ 1212 xpt_free_path(done_ccb->ccb_h.path); 1213 xpt_free_ccb(done_ccb); 1214 } 1215 1216 /** 1217 * mpssas_ir_shutdown - IR shutdown notification 1218 * @sc: per adapter object 1219 * @howto: mast of RB_* bits for how we're rebooting 1220 * 1221 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that 1222 * the host system is shutting down. 1223 * 1224 * Return nothing. 1225 */ 1226 void 1227 mpssas_ir_shutdown(struct mps_softc *sc, int howto) 1228 { 1229 u16 volume_mapping_flags; 1230 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1231 struct dev_mapping_table *mt_entry; 1232 u32 start_idx, end_idx; 1233 unsigned int id, found_volume = 0; 1234 struct mps_command *cm; 1235 Mpi2RaidActionRequest_t *action; 1236 target_id_t targetid; 1237 struct mpssas_target *target; 1238 1239 mps_dprint(sc, MPS_TRACE, "%s\n", __func__); 1240 1241 /* is IR firmware build loaded? */ 1242 if (!sc->ir_firmware) 1243 goto out; 1244 1245 /* are there any volumes? Look at IR target IDs. */ 1246 // TODO-later, this should be looked up in the RAID config structure 1247 // when it is implemented. 1248 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) & 1249 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; 1250 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) { 1251 start_idx = 0; 1252 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0) 1253 start_idx = 1; 1254 } else 1255 start_idx = sc->max_devices - sc->max_volumes; 1256 end_idx = start_idx + sc->max_volumes - 1; 1257 1258 for (id = start_idx; id < end_idx; id++) { 1259 mt_entry = &sc->mapping_table[id]; 1260 if ((mt_entry->physical_id != 0) && 1261 (mt_entry->missing_count == 0)) { 1262 found_volume = 1; 1263 break; 1264 } 1265 } 1266 1267 if (!found_volume) 1268 goto out; 1269 1270 if ((cm = mps_alloc_command(sc)) == NULL) { 1271 printf("%s: command alloc failed\n", __func__); 1272 goto out; 1273 } 1274 1275 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req; 1276 action->Function = MPI2_FUNCTION_RAID_ACTION; 1277 action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; 1278 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 1279 mps_lock(sc); 1280 mps_wait_command(sc, &cm, 5, CAN_SLEEP); 1281 mps_unlock(sc); 1282 1283 /* 1284 * Don't check for reply, just leave. 1285 */ 1286 if (cm) 1287 mps_free_command(sc, cm); 1288 1289 out: 1290 /* 1291 * All of the targets must have the correct value set for 1292 * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable. 1293 * 1294 * The possible values for the 'enable_ssu' variable are: 1295 * 0: disable to SSD and HDD 1296 * 1: disable only to HDD (default) 1297 * 2: disable only to SSD 1298 * 3: enable to SSD and HDD 1299 * anything else will default to 1. 1300 */ 1301 for (targetid = 0; targetid < sc->max_devices; targetid++) { 1302 target = &sc->sassc->targets[targetid]; 1303 if (target->handle == 0x0) { 1304 continue; 1305 } 1306 1307 if (target->supports_SSU) { 1308 switch (sc->enable_ssu) { 1309 case MPS_SSU_DISABLE_SSD_DISABLE_HDD: 1310 target->stop_at_shutdown = FALSE; 1311 break; 1312 case MPS_SSU_DISABLE_SSD_ENABLE_HDD: 1313 target->stop_at_shutdown = TRUE; 1314 if (target->flags & MPS_TARGET_IS_SATA_SSD) { 1315 target->stop_at_shutdown = FALSE; 1316 } 1317 break; 1318 case MPS_SSU_ENABLE_SSD_ENABLE_HDD: 1319 target->stop_at_shutdown = TRUE; 1320 break; 1321 case MPS_SSU_ENABLE_SSD_DISABLE_HDD: 1322 default: 1323 target->stop_at_shutdown = TRUE; 1324 if ((target->flags & 1325 MPS_TARGET_IS_SATA_SSD) == 0) { 1326 target->stop_at_shutdown = FALSE; 1327 } 1328 break; 1329 } 1330 } 1331 } 1332 mpssas_SSU_to_SATA_devices(sc, howto); 1333 } 1334