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_timeout(struct mps_softc *, struct mps_command *); 127 int mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 128 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD); 129 static int mpssas_volume_add(struct mps_softc *sc, 130 u16 handle); 131 static void mpssas_SSU_to_SATA_devices(struct mps_softc *sc, int howto); 132 static void mpssas_stop_unit_done(struct cam_periph *periph, 133 union ccb *done_ccb); 134 135 void 136 mpssas_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 } 182 183 static void 184 mpssas_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 */ 199 static void 200 mpssas_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 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Event Free: [%x]\n",event_count,__func__, fw_event->event); 598 mpssas_fw_event_free(sc, fw_event); 599 } 600 601 void 602 mpssas_firmware_event_work(void *arg, int pending) 603 { 604 struct mps_fw_event_work *fw_event; 605 struct mps_softc *sc; 606 607 sc = (struct mps_softc *)arg; 608 mps_lock(sc); 609 while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) { 610 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link); 611 mpssas_fw_work(sc, fw_event); 612 } 613 mps_unlock(sc); 614 } 615 616 static int 617 mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate){ 618 char devstring[80]; 619 struct mpssas_softc *sassc; 620 struct mpssas_target *targ; 621 Mpi2ConfigReply_t mpi_reply; 622 Mpi2SasDevicePage0_t config_page; 623 uint64_t sas_address; 624 uint64_t parent_sas_address = 0; 625 u32 device_info, parent_devinfo = 0; 626 unsigned int id; 627 int ret = 1, error = 0, i; 628 struct mpssas_lun *lun; 629 u8 is_SATA_SSD = 0; 630 struct mps_command *cm; 631 632 sassc = sc->sassc; 633 mpssas_startup_increment(sassc); 634 if (mps_config_get_sas_device_pg0(sc, &mpi_reply, &config_page, 635 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle) != 0) { 636 mps_dprint(sc, MPS_INFO|MPS_MAPPING|MPS_FAULT, 637 "Error reading SAS device %#x page0, iocstatus= 0x%x\n", 638 handle, mpi_reply.IOCStatus); 639 error = ENXIO; 640 goto out; 641 } 642 643 device_info = le32toh(config_page.DeviceInfo); 644 645 if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) 646 && (le16toh(config_page.ParentDevHandle) != 0)) { 647 Mpi2ConfigReply_t tmp_mpi_reply; 648 Mpi2SasDevicePage0_t parent_config_page; 649 650 if (mps_config_get_sas_device_pg0(sc, &tmp_mpi_reply, 651 &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, 652 le16toh(config_page.ParentDevHandle)) != 0) { 653 mps_dprint(sc, MPS_MAPPING|MPS_FAULT, 654 "Error reading parent SAS device %#x page0, " 655 "iocstatus= 0x%x\n", 656 le16toh(config_page.ParentDevHandle), 657 tmp_mpi_reply.IOCStatus); 658 } else { 659 parent_sas_address = parent_config_page.SASAddress.High; 660 parent_sas_address = (parent_sas_address << 32) | 661 parent_config_page.SASAddress.Low; 662 parent_devinfo = le32toh(parent_config_page.DeviceInfo); 663 } 664 } 665 /* TODO Check proper endianness */ 666 sas_address = config_page.SASAddress.High; 667 sas_address = (sas_address << 32) | config_page.SASAddress.Low; 668 mps_dprint(sc, MPS_MAPPING, "Handle 0x%04x SAS Address from SAS device " 669 "page0 = %jx\n", handle, sas_address); 670 671 /* 672 * Always get SATA Identify information because this is used to 673 * determine if Start/Stop Unit should be sent to the drive when the 674 * system is shutdown. 675 */ 676 if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) { 677 ret = mpssas_get_sas_address_for_sata_disk(sc, &sas_address, 678 handle, device_info, &is_SATA_SSD); 679 if (ret) { 680 mps_dprint(sc, MPS_MAPPING|MPS_ERROR, 681 "%s: failed to get disk type (SSD or HDD) for SATA " 682 "device with handle 0x%04x\n", 683 __func__, handle); 684 } else { 685 mps_dprint(sc, MPS_MAPPING, "Handle 0x%04x SAS Address " 686 "from SATA device = %jx\n", handle, sas_address); 687 } 688 } 689 690 /* 691 * use_phynum: 692 * 1 - use the PhyNum field as a fallback to the mapping logic 693 * 0 - never use the PhyNum field 694 * -1 - only use the PhyNum field 695 * 696 * Note that using the Phy number to map a device can cause device adds 697 * to fail if multiple enclosures/expanders are in the topology. For 698 * example, if two devices are in the same slot number in two different 699 * enclosures within the topology, only one of those devices will be 700 * added. PhyNum mapping should not be used if multiple enclosures are 701 * in the topology. 702 */ 703 id = MPS_MAP_BAD_ID; 704 if (sc->use_phynum != -1) 705 id = mps_mapping_get_tid(sc, sas_address, handle); 706 if (id == MPS_MAP_BAD_ID) { 707 if ((sc->use_phynum == 0) 708 || ((id = config_page.PhyNum) > sassc->maxtargets)) { 709 mps_dprint(sc, MPS_INFO, "failure at %s:%d/%s()! " 710 "Could not get ID for device with handle 0x%04x\n", 711 __FILE__, __LINE__, __func__, handle); 712 error = ENXIO; 713 goto out; 714 } 715 } 716 mps_dprint(sc, MPS_MAPPING, "%s: Target ID for added device is %d.\n", 717 __func__, id); 718 719 /* 720 * Only do the ID check and reuse check if the target is not from a 721 * RAID Component. For Physical Disks of a Volume, the ID will be reused 722 * when a volume is deleted because the mapping entry for the PD will 723 * still be in the mapping table. The ID check should not be done here 724 * either since this PD is already being used. 725 */ 726 targ = &sassc->targets[id]; 727 if (!(targ->flags & MPS_TARGET_FLAGS_RAID_COMPONENT)) { 728 if (mpssas_check_id(sassc, id) != 0) { 729 mps_dprint(sc, MPS_MAPPING|MPS_INFO, 730 "Excluding target id %d\n", id); 731 error = ENXIO; 732 goto out; 733 } 734 735 if (targ->handle != 0x0) { 736 mps_dprint(sc, MPS_MAPPING, "Attempting to reuse " 737 "target id %d handle 0x%04x\n", id, targ->handle); 738 error = ENXIO; 739 goto out; 740 } 741 } 742 743 targ->devinfo = device_info; 744 targ->devname = le32toh(config_page.DeviceName.High); 745 targ->devname = (targ->devname << 32) | 746 le32toh(config_page.DeviceName.Low); 747 targ->encl_handle = le16toh(config_page.EnclosureHandle); 748 targ->encl_slot = le16toh(config_page.Slot); 749 targ->handle = handle; 750 targ->parent_handle = le16toh(config_page.ParentDevHandle); 751 targ->sasaddr = mps_to_u64(&config_page.SASAddress); 752 targ->parent_sasaddr = le64toh(parent_sas_address); 753 targ->parent_devinfo = parent_devinfo; 754 targ->tid = id; 755 targ->linkrate = (linkrate>>4); 756 targ->flags = 0; 757 if (is_SATA_SSD) { 758 targ->flags = MPS_TARGET_IS_SATA_SSD; 759 } 760 TAILQ_INIT(&targ->commands); 761 TAILQ_INIT(&targ->timedout_commands); 762 while(!SLIST_EMPTY(&targ->luns)) { 763 lun = SLIST_FIRST(&targ->luns); 764 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 765 free(lun, M_MPT2); 766 } 767 SLIST_INIT(&targ->luns); 768 769 mps_describe_devinfo(targ->devinfo, devstring, 80); 770 mps_dprint(sc, MPS_MAPPING, "Found device <%s> <%s> <0x%04x> <%d/%d>\n", 771 devstring, mps_describe_table(mps_linkrate_names, targ->linkrate), 772 targ->handle, targ->encl_handle, targ->encl_slot); 773 774 mpssas_rescan_target(sc, targ); 775 mps_dprint(sc, MPS_MAPPING, "Target id 0x%x added\n", targ->tid); 776 777 /* 778 * Check all commands to see if the SATA_ID_TIMEOUT flag has been set. 779 * If so, send a Target Reset TM to the target that was just created. 780 * An Abort Task TM should be used instead of a Target Reset, but that 781 * would be much more difficult because targets have not been fully 782 * discovered yet, and LUN's haven't been setup. So, just reset the 783 * target instead of the LUN. 784 */ 785 for (i = 1; i < sc->num_reqs; i++) { 786 cm = &sc->commands[i]; 787 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) { 788 targ->timeouts++; 789 cm->cm_flags |= MPS_CM_FLAGS_TIMEDOUT; 790 791 if ((targ->tm = mpssas_alloc_tm(sc)) != NULL) { 792 mps_dprint(sc, MPS_INFO, "%s: sending Target " 793 "Reset for stuck SATA identify command " 794 "(cm = %p)\n", __func__, cm); 795 targ->tm->cm_targ = targ; 796 mpssas_send_reset(sc, targ->tm, 797 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET); 798 } else { 799 mps_dprint(sc, MPS_ERROR, "Failed to allocate " 800 "tm for Target Reset after SATA ID command " 801 "timed out (cm %p)\n", cm); 802 } 803 /* 804 * No need to check for more since the target is 805 * already being reset. 806 */ 807 break; 808 } 809 } 810 out: 811 /* 812 * Free the commands that may not have been freed from the SATA ID call 813 */ 814 for (i = 1; i < sc->num_reqs; i++) { 815 cm = &sc->commands[i]; 816 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) { 817 free(cm->cm_data, M_MPT2); 818 mps_free_command(sc, cm); 819 } 820 } 821 mpssas_startup_decrement(sassc); 822 return (error); 823 } 824 825 int 826 mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 827 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD) 828 { 829 Mpi2SataPassthroughReply_t mpi_reply; 830 int i, rc, try_count; 831 u32 *bufferptr; 832 union _sata_sas_address hash_address; 833 struct _ata_identify_device_data ata_identify; 834 u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN]; 835 u32 ioc_status; 836 u8 sas_status; 837 838 memset(&ata_identify, 0, sizeof(ata_identify)); 839 try_count = 0; 840 do { 841 rc = mpssas_get_sata_identify(sc, handle, &mpi_reply, 842 (char *)&ata_identify, sizeof(ata_identify), device_info); 843 try_count++; 844 ioc_status = le16toh(mpi_reply.IOCStatus) 845 & MPI2_IOCSTATUS_MASK; 846 sas_status = mpi_reply.SASStatus; 847 switch (ioc_status) { 848 case MPI2_IOCSTATUS_SUCCESS: 849 break; 850 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: 851 /* No sense sleeping. this error won't get better */ 852 break; 853 default: 854 if (sc->spinup_wait_time > 0) { 855 mps_dprint(sc, MPS_INFO, "Sleeping %d seconds " 856 "after SATA ID error to wait for spinup\n", 857 sc->spinup_wait_time); 858 msleep(&sc->msleep_fake_chan, &sc->mps_mtx, 0, 859 "mpsid", sc->spinup_wait_time * hz); 860 } 861 } 862 } while (((rc && (rc != EWOULDBLOCK)) || 863 (ioc_status && 864 (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR)) 865 || sas_status) && (try_count < 5)); 866 867 if (rc == 0 && !ioc_status && !sas_status) { 868 mps_dprint(sc, MPS_MAPPING, "%s: got SATA identify " 869 "successfully for handle = 0x%x with try_count = %d\n", 870 __func__, handle, try_count); 871 } else { 872 mps_dprint(sc, MPS_MAPPING, "%s: handle = 0x%x failed\n", 873 __func__, handle); 874 return -1; 875 } 876 /* Copy & byteswap the 40 byte model number to a buffer */ 877 for (i = 0; i < MPT2SAS_MN_LEN; i += 2) { 878 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1]; 879 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i]; 880 } 881 /* Copy & byteswap the 20 byte serial number to a buffer */ 882 for (i = 0; i < MPT2SAS_SN_LEN; i += 2) { 883 buffer[MPT2SAS_MN_LEN + i] = 884 ((u8 *)ata_identify.serial_number)[i + 1]; 885 buffer[MPT2SAS_MN_LEN + i + 1] = 886 ((u8 *)ata_identify.serial_number)[i]; 887 } 888 bufferptr = (u32 *)buffer; 889 /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8, 890 * so loop through the first 56 bytes (7*8), 891 * and then add in the last dword. 892 */ 893 hash_address.word.low = 0; 894 hash_address.word.high = 0; 895 for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) { 896 hash_address.word.low += *bufferptr; 897 bufferptr++; 898 hash_address.word.high += *bufferptr; 899 bufferptr++; 900 } 901 /* Add the last dword */ 902 hash_address.word.low += *bufferptr; 903 /* Make sure the hash doesn't start with 5, because it could clash 904 * with a SAS address. Change 5 to a D. 905 */ 906 if ((hash_address.word.high & 0x000000F0) == (0x00000050)) 907 hash_address.word.high |= 0x00000080; 908 *sas_address = (u64)hash_address.wwid[0] << 56 | 909 (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 | 910 (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 | 911 (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] << 8 | 912 (u64)hash_address.wwid[7]; 913 if (ata_identify.rotational_speed == 1) { 914 *is_SATA_SSD = 1; 915 } 916 917 return 0; 918 } 919 920 static int 921 mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, 922 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo) 923 { 924 Mpi2SataPassthroughRequest_t *mpi_request; 925 Mpi2SataPassthroughReply_t *reply = NULL; 926 struct mps_command *cm; 927 char *buffer; 928 int error = 0; 929 930 buffer = malloc( sz, M_MPT2, M_NOWAIT | M_ZERO); 931 if (!buffer) 932 return ENOMEM; 933 934 if ((cm = mps_alloc_command(sc)) == NULL) { 935 free(buffer, M_MPT2); 936 return (EBUSY); 937 } 938 mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req; 939 bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST)); 940 mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH; 941 mpi_request->VF_ID = 0; 942 mpi_request->DevHandle = htole16(handle); 943 mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO | 944 MPI2_SATA_PT_REQ_PT_FLAGS_READ); 945 mpi_request->DataLength = htole32(sz); 946 mpi_request->CommandFIS[0] = 0x27; 947 mpi_request->CommandFIS[1] = 0x80; 948 mpi_request->CommandFIS[2] = (devinfo & 949 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC; 950 cm->cm_sge = &mpi_request->SGL; 951 cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION); 952 cm->cm_flags = MPS_CM_FLAGS_SGE_SIMPLE | MPS_CM_FLAGS_DATAIN; 953 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 954 cm->cm_data = buffer; 955 cm->cm_length = htole32(sz); 956 957 /* 958 * Use a custom handler to avoid reinit'ing the controller on timeout. 959 * This fixes a problem where the FW does not send a reply sometimes 960 * when a bad disk is in the topology. So, this is used to timeout the 961 * command so that processing can continue normally. 962 */ 963 cm->cm_timeout_handler = mpssas_ata_id_timeout; 964 965 error = mps_wait_command(sc, &cm, MPS_ATA_ID_TIMEOUT, CAN_SLEEP); 966 967 /* mpssas_ata_id_timeout does not reset controller */ 968 KASSERT(cm != NULL, ("%s: surprise command freed", __func__)); 969 970 reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply; 971 if (error || (reply == NULL)) { 972 /* FIXME */ 973 /* 974 * If the request returns an error then we need to do a diag 975 * reset 976 */ 977 mps_dprint(sc, MPS_INFO|MPS_FAULT|MPS_MAPPING, 978 "Request for SATA PASSTHROUGH page completed with error %d\n", 979 error); 980 error = ENXIO; 981 goto out; 982 } 983 bcopy(buffer, id_buffer, sz); 984 bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t)); 985 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) != 986 MPI2_IOCSTATUS_SUCCESS) { 987 mps_dprint(sc, MPS_INFO|MPS_MAPPING|MPS_FAULT, 988 "Error reading device %#x SATA PASSTHRU; iocstatus= 0x%x\n", 989 handle, reply->IOCStatus); 990 error = ENXIO; 991 goto out; 992 } 993 out: 994 /* 995 * If the SATA_ID_TIMEOUT flag has been set for this command, don't free 996 * it. The command and buffer will be freed after sending an Abort 997 * Task TM. 998 */ 999 if ((cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) == 0) { 1000 mps_free_command(sc, cm); 1001 free(buffer, M_MPT2); 1002 } 1003 return (error); 1004 } 1005 1006 static void 1007 mpssas_ata_id_timeout(struct mps_softc *sc, struct mps_command *cm) 1008 { 1009 1010 mps_dprint(sc, MPS_INFO, "%s ATA ID command timeout cm %p sc %p\n", 1011 __func__, cm, sc); 1012 1013 /* 1014 * The Abort Task cannot be sent from here because the driver has not 1015 * completed setting up targets. Instead, the command is flagged so 1016 * that special handling will be used to send the abort. Now that 1017 * this command has timed out, it's no longer in the queue. 1018 */ 1019 cm->cm_flags |= MPS_CM_FLAGS_SATA_ID_TIMEOUT; 1020 cm->cm_state = MPS_CM_STATE_BUSY; 1021 } 1022 1023 static int 1024 mpssas_volume_add(struct mps_softc *sc, u16 handle) 1025 { 1026 struct mpssas_softc *sassc; 1027 struct mpssas_target *targ; 1028 u64 wwid; 1029 unsigned int id; 1030 int error = 0; 1031 struct mpssas_lun *lun; 1032 1033 sassc = sc->sassc; 1034 mpssas_startup_increment(sassc); 1035 /* wwid is endian safe */ 1036 mps_config_get_volume_wwid(sc, handle, &wwid); 1037 if (!wwid) { 1038 printf("%s: invalid WWID; cannot add volume to mapping table\n", 1039 __func__); 1040 error = ENXIO; 1041 goto out; 1042 } 1043 1044 id = mps_mapping_get_raid_tid(sc, wwid, handle); 1045 if (id == MPS_MAP_BAD_ID) { 1046 printf("%s: could not get ID for volume with handle 0x%04x and " 1047 "WWID 0x%016llx\n", __func__, handle, 1048 (unsigned long long)wwid); 1049 error = ENXIO; 1050 goto out; 1051 } 1052 1053 targ = &sassc->targets[id]; 1054 targ->tid = id; 1055 targ->handle = handle; 1056 targ->devname = wwid; 1057 TAILQ_INIT(&targ->commands); 1058 TAILQ_INIT(&targ->timedout_commands); 1059 while(!SLIST_EMPTY(&targ->luns)) { 1060 lun = SLIST_FIRST(&targ->luns); 1061 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 1062 free(lun, M_MPT2); 1063 } 1064 SLIST_INIT(&targ->luns); 1065 mpssas_rescan_target(sc, targ); 1066 mps_dprint(sc, MPS_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n", 1067 targ->tid, wwid); 1068 out: 1069 mpssas_startup_decrement(sassc); 1070 return (error); 1071 } 1072 1073 /** 1074 * mpssas_SSU_to_SATA_devices 1075 * @sc: per adapter object 1076 * @howto: mast of RB_* bits for how we're rebooting 1077 * 1078 * Looks through the target list and issues a StartStopUnit SCSI command to each 1079 * SATA direct-access device. This helps to ensure that data corruption is 1080 * avoided when the system is being shut down. This must be called after the IR 1081 * System Shutdown RAID Action is sent if in IR mode. 1082 * 1083 * Return nothing. 1084 */ 1085 static void 1086 mpssas_SSU_to_SATA_devices(struct mps_softc *sc, int howto) 1087 { 1088 struct mpssas_softc *sassc = sc->sassc; 1089 union ccb *ccb; 1090 path_id_t pathid = cam_sim_path(sassc->sim); 1091 target_id_t targetid; 1092 struct mpssas_target *target; 1093 char path_str[64]; 1094 int timeout; 1095 1096 /* 1097 * For each target, issue a StartStopUnit command to stop the device. 1098 */ 1099 sc->SSU_started = TRUE; 1100 sc->SSU_refcount = 0; 1101 for (targetid = 0; targetid < sc->max_devices; targetid++) { 1102 target = &sassc->targets[targetid]; 1103 if (target->handle == 0x0) { 1104 continue; 1105 } 1106 1107 ccb = xpt_alloc_ccb_nowait(); 1108 if (ccb == NULL) { 1109 mps_dprint(sc, MPS_FAULT, "Unable to alloc CCB to stop " 1110 "unit.\n"); 1111 return; 1112 } 1113 1114 /* 1115 * The stop_at_shutdown flag will be set if this device is 1116 * a SATA direct-access end device. 1117 */ 1118 if (target->stop_at_shutdown) { 1119 if (xpt_create_path(&ccb->ccb_h.path, 1120 xpt_periph, pathid, targetid, 1121 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1122 mps_dprint(sc, MPS_FAULT, "Unable to create " 1123 "LUN path to stop unit.\n"); 1124 xpt_free_ccb(ccb); 1125 return; 1126 } 1127 xpt_path_string(ccb->ccb_h.path, path_str, 1128 sizeof(path_str)); 1129 1130 mps_dprint(sc, MPS_INFO, "Sending StopUnit: path %s " 1131 "handle %d\n", path_str, target->handle); 1132 1133 /* 1134 * Issue a START STOP UNIT command for the target. 1135 * Increment the SSU counter to be used to count the 1136 * number of required replies. 1137 */ 1138 mps_dprint(sc, MPS_INFO, "Incrementing SSU count\n"); 1139 sc->SSU_refcount++; 1140 ccb->ccb_h.target_id = 1141 xpt_path_target_id(ccb->ccb_h.path); 1142 ccb->ccb_h.ppriv_ptr1 = sassc; 1143 scsi_start_stop(&ccb->csio, 1144 /*retries*/0, 1145 mpssas_stop_unit_done, 1146 MSG_SIMPLE_Q_TAG, 1147 /*start*/FALSE, 1148 /*load/eject*/0, 1149 /*immediate*/FALSE, 1150 MPS_SENSE_LEN, 1151 /*timeout*/10000); 1152 xpt_action(ccb); 1153 } 1154 } 1155 1156 /* 1157 * Timeout after 60 seconds by default or 10 seconds if howto has 1158 * RB_NOSYNC set which indicates we're likely handling a panic. 1159 */ 1160 timeout = 600; 1161 if (howto & RB_NOSYNC) 1162 timeout = 100; 1163 1164 /* 1165 * Wait until all of the SSU commands have completed or timeout has 1166 * expired. Pause for 100ms each time through. If any command 1167 * times out, the target will be reset in the SCSI command timeout 1168 * routine. 1169 */ 1170 while (sc->SSU_refcount > 0) { 1171 pause("mpswait", hz/10); 1172 if (SCHEDULER_STOPPED()) 1173 xpt_sim_poll(sassc->sim); 1174 1175 if (--timeout == 0) { 1176 mps_dprint(sc, MPS_FAULT, "Time has expired waiting " 1177 "for SSU commands to complete.\n"); 1178 break; 1179 } 1180 } 1181 } 1182 1183 static void 1184 mpssas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb) 1185 { 1186 struct mpssas_softc *sassc; 1187 char path_str[64]; 1188 1189 if (done_ccb == NULL) 1190 return; 1191 1192 sassc = (struct mpssas_softc *)done_ccb->ccb_h.ppriv_ptr1; 1193 1194 xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str)); 1195 mps_dprint(sassc->sc, MPS_INFO, "Completing stop unit for %s\n", 1196 path_str); 1197 1198 /* 1199 * Nothing more to do except free the CCB and path. If the command 1200 * timed out, an abort reset, then target reset will be issued during 1201 * the SCSI Command process. 1202 */ 1203 xpt_free_path(done_ccb->ccb_h.path); 1204 xpt_free_ccb(done_ccb); 1205 } 1206 1207 /** 1208 * mpssas_ir_shutdown - IR shutdown notification 1209 * @sc: per adapter object 1210 * @howto: mast of RB_* bits for how we're rebooting 1211 * 1212 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that 1213 * the host system is shutting down. 1214 * 1215 * Return nothing. 1216 */ 1217 void 1218 mpssas_ir_shutdown(struct mps_softc *sc, int howto) 1219 { 1220 u16 volume_mapping_flags; 1221 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1222 struct dev_mapping_table *mt_entry; 1223 u32 start_idx, end_idx; 1224 unsigned int id, found_volume = 0; 1225 struct mps_command *cm; 1226 Mpi2RaidActionRequest_t *action; 1227 target_id_t targetid; 1228 struct mpssas_target *target; 1229 1230 mps_dprint(sc, MPS_TRACE, "%s\n", __func__); 1231 1232 /* is IR firmware build loaded? */ 1233 if (!sc->ir_firmware) 1234 goto out; 1235 1236 /* are there any volumes? Look at IR target IDs. */ 1237 // TODO-later, this should be looked up in the RAID config structure 1238 // when it is implemented. 1239 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) & 1240 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; 1241 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) { 1242 start_idx = 0; 1243 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0) 1244 start_idx = 1; 1245 } else 1246 start_idx = sc->max_devices - sc->max_volumes; 1247 end_idx = start_idx + sc->max_volumes - 1; 1248 1249 for (id = start_idx; id < end_idx; id++) { 1250 mt_entry = &sc->mapping_table[id]; 1251 if ((mt_entry->physical_id != 0) && 1252 (mt_entry->missing_count == 0)) { 1253 found_volume = 1; 1254 break; 1255 } 1256 } 1257 1258 if (!found_volume) 1259 goto out; 1260 1261 if ((cm = mps_alloc_command(sc)) == NULL) { 1262 printf("%s: command alloc failed\n", __func__); 1263 goto out; 1264 } 1265 1266 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req; 1267 action->Function = MPI2_FUNCTION_RAID_ACTION; 1268 action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; 1269 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 1270 mps_lock(sc); 1271 mps_wait_command(sc, &cm, 5, CAN_SLEEP); 1272 mps_unlock(sc); 1273 1274 /* 1275 * Don't check for reply, just leave. 1276 */ 1277 if (cm) 1278 mps_free_command(sc, cm); 1279 1280 out: 1281 /* 1282 * All of the targets must have the correct value set for 1283 * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable. 1284 * 1285 * The possible values for the 'enable_ssu' variable are: 1286 * 0: disable to SSD and HDD 1287 * 1: disable only to HDD (default) 1288 * 2: disable only to SSD 1289 * 3: enable to SSD and HDD 1290 * anything else will default to 1. 1291 */ 1292 for (targetid = 0; targetid < sc->max_devices; targetid++) { 1293 target = &sc->sassc->targets[targetid]; 1294 if (target->handle == 0x0) { 1295 continue; 1296 } 1297 1298 if (target->supports_SSU) { 1299 switch (sc->enable_ssu) { 1300 case MPS_SSU_DISABLE_SSD_DISABLE_HDD: 1301 target->stop_at_shutdown = FALSE; 1302 break; 1303 case MPS_SSU_DISABLE_SSD_ENABLE_HDD: 1304 target->stop_at_shutdown = TRUE; 1305 if (target->flags & MPS_TARGET_IS_SATA_SSD) { 1306 target->stop_at_shutdown = FALSE; 1307 } 1308 break; 1309 case MPS_SSU_ENABLE_SSD_ENABLE_HDD: 1310 target->stop_at_shutdown = TRUE; 1311 break; 1312 case MPS_SSU_ENABLE_SSD_DISABLE_HDD: 1313 default: 1314 target->stop_at_shutdown = TRUE; 1315 if ((target->flags & 1316 MPS_TARGET_IS_SATA_SSD) == 0) { 1317 target->stop_at_shutdown = FALSE; 1318 } 1319 break; 1320 } 1321 } 1322 } 1323 mpssas_SSU_to_SATA_devices(sc, howto); 1324 } 1325