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