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