1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2011-2015 LSI Corp. 5 * Copyright (c) 2013-2015 Avago Technologies 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD 30 */ 31 32 #include <sys/cdefs.h> 33 __FBSDID("$FreeBSD$"); 34 35 /* Communications core for Avago Technologies (LSI) MPT2 */ 36 37 /* TODO Move headers to mpsvar */ 38 #include <sys/types.h> 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/selinfo.h> 43 #include <sys/module.h> 44 #include <sys/bus.h> 45 #include <sys/conf.h> 46 #include <sys/bio.h> 47 #include <sys/malloc.h> 48 #include <sys/uio.h> 49 #include <sys/sysctl.h> 50 #include <sys/endian.h> 51 #include <sys/proc.h> 52 #include <sys/queue.h> 53 #include <sys/kthread.h> 54 #include <sys/taskqueue.h> 55 #include <sys/sbuf.h> 56 #include <sys/reboot.h> 57 58 #include <machine/bus.h> 59 #include <machine/resource.h> 60 #include <sys/rman.h> 61 62 #include <machine/stdarg.h> 63 64 #include <cam/cam.h> 65 #include <cam/cam_ccb.h> 66 #include <cam/cam_debug.h> 67 #include <cam/cam_sim.h> 68 #include <cam/cam_xpt_sim.h> 69 #include <cam/cam_xpt_periph.h> 70 #include <cam/cam_periph.h> 71 #include <cam/scsi/scsi_all.h> 72 #include <cam/scsi/scsi_message.h> 73 74 #include <dev/mps/mpi/mpi2_type.h> 75 #include <dev/mps/mpi/mpi2.h> 76 #include <dev/mps/mpi/mpi2_ioc.h> 77 #include <dev/mps/mpi/mpi2_sas.h> 78 #include <dev/mps/mpi/mpi2_cnfg.h> 79 #include <dev/mps/mpi/mpi2_init.h> 80 #include <dev/mps/mpi/mpi2_raid.h> 81 #include <dev/mps/mpi/mpi2_tool.h> 82 #include <dev/mps/mps_ioctl.h> 83 #include <dev/mps/mpsvar.h> 84 #include <dev/mps/mps_table.h> 85 #include <dev/mps/mps_sas.h> 86 87 /* For Hashed SAS Address creation for SATA Drives */ 88 #define MPT2SAS_SN_LEN 20 89 #define MPT2SAS_MN_LEN 40 90 91 struct mps_fw_event_work { 92 u16 event; 93 void *event_data; 94 TAILQ_ENTRY(mps_fw_event_work) ev_link; 95 }; 96 97 union _sata_sas_address { 98 u8 wwid[8]; 99 struct { 100 u32 high; 101 u32 low; 102 } word; 103 }; 104 105 /* 106 * define the IDENTIFY DEVICE structure 107 */ 108 struct _ata_identify_device_data { 109 u16 reserved1[10]; /* 0-9 */ 110 u16 serial_number[10]; /* 10-19 */ 111 u16 reserved2[7]; /* 20-26 */ 112 u16 model_number[20]; /* 27-46*/ 113 u16 reserved3[170]; /* 47-216 */ 114 u16 rotational_speed; /* 217 */ 115 u16 reserved4[38]; /* 218-255 */ 116 }; 117 static u32 event_count; 118 static void mpssas_fw_work(struct mps_softc *sc, 119 struct mps_fw_event_work *fw_event); 120 static void mpssas_fw_event_free(struct mps_softc *, 121 struct mps_fw_event_work *); 122 static int mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate); 123 static int mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, 124 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, 125 u32 devinfo); 126 static void mpssas_ata_id_complete(struct mps_softc *, struct mps_command *); 127 static void mpssas_ata_id_timeout(struct mps_softc *, struct mps_command *); 128 int mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 129 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD); 130 static int mpssas_volume_add(struct mps_softc *sc, 131 u16 handle); 132 static void mpssas_SSU_to_SATA_devices(struct mps_softc *sc, int howto); 133 static void mpssas_stop_unit_done(struct cam_periph *periph, 134 union ccb *done_ccb); 135 136 void 137 mpssas_evt_handler(struct mps_softc *sc, uintptr_t data, 138 MPI2_EVENT_NOTIFICATION_REPLY *event) 139 { 140 struct mps_fw_event_work *fw_event; 141 u16 sz; 142 143 mps_dprint(sc, MPS_TRACE, "%s\n", __func__); 144 MPS_DPRINT_EVENT(sc, sas, event); 145 mpssas_record_event(sc, event); 146 147 fw_event = malloc(sizeof(struct mps_fw_event_work), M_MPT2, 148 M_ZERO|M_NOWAIT); 149 if (!fw_event) { 150 printf("%s: allocate failed for fw_event\n", __func__); 151 return; 152 } 153 sz = le16toh(event->EventDataLength) * 4; 154 fw_event->event_data = malloc(sz, M_MPT2, M_ZERO|M_NOWAIT); 155 if (!fw_event->event_data) { 156 printf("%s: allocate failed for event_data\n", __func__); 157 free(fw_event, M_MPT2); 158 return; 159 } 160 161 bcopy(event->EventData, fw_event->event_data, sz); 162 fw_event->event = event->Event; 163 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || 164 event->Event == MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE || 165 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) && 166 sc->track_mapping_events) 167 sc->pending_map_events++; 168 169 /* 170 * When wait_for_port_enable flag is set, make sure that all the events 171 * are processed. Increment the startup_refcount and decrement it after 172 * events are processed. 173 */ 174 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || 175 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) && 176 sc->wait_for_port_enable) 177 mpssas_startup_increment(sc->sassc); 178 179 TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link); 180 taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task); 181 182 } 183 184 static void 185 mpssas_fw_event_free(struct mps_softc *sc, struct mps_fw_event_work *fw_event) 186 { 187 188 free(fw_event->event_data, M_MPT2); 189 free(fw_event, M_MPT2); 190 } 191 192 /** 193 * _mps_fw_work - delayed task for processing firmware events 194 * @sc: per adapter object 195 * @fw_event: The fw_event_work object 196 * Context: user. 197 * 198 * Return nothing. 199 */ 200 static void 201 mpssas_fw_work(struct mps_softc *sc, struct mps_fw_event_work *fw_event) 202 { 203 struct mpssas_softc *sassc; 204 sassc = sc->sassc; 205 206 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Working on Event: [%x]\n", 207 event_count++,__func__,fw_event->event); 208 switch (fw_event->event) { 209 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: 210 { 211 MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data; 212 MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy; 213 int i; 214 215 data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *) 216 fw_event->event_data; 217 218 mps_mapping_topology_change_event(sc, fw_event->event_data); 219 220 for (i = 0; i < data->NumEntries; i++) { 221 phy = &data->PHY[i]; 222 switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) { 223 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: 224 if (mpssas_add_device(sc, 225 le16toh(phy->AttachedDevHandle), 226 phy->LinkRate)){ 227 mps_dprint(sc, MPS_ERROR, "%s: " 228 "failed to add device with handle " 229 "0x%x\n", __func__, 230 le16toh(phy->AttachedDevHandle)); 231 mpssas_prepare_remove(sassc, le16toh( 232 phy->AttachedDevHandle)); 233 } 234 break; 235 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: 236 mpssas_prepare_remove(sassc,le16toh( 237 phy->AttachedDevHandle)); 238 break; 239 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: 240 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: 241 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: 242 default: 243 break; 244 } 245 } 246 /* 247 * refcount was incremented for this event in 248 * mpssas_evt_handler. Decrement it here because the event has 249 * been processed. 250 */ 251 mpssas_startup_decrement(sassc); 252 break; 253 } 254 case MPI2_EVENT_SAS_DISCOVERY: 255 { 256 MPI2_EVENT_DATA_SAS_DISCOVERY *data; 257 258 data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data; 259 260 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED) 261 mps_dprint(sc, MPS_TRACE,"SAS discovery start event\n"); 262 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) { 263 mps_dprint(sc, MPS_TRACE,"SAS discovery stop event\n"); 264 sassc->flags &= ~MPSSAS_IN_DISCOVERY; 265 mpssas_discovery_end(sassc); 266 } 267 break; 268 } 269 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: 270 { 271 Mpi2EventDataSasEnclDevStatusChange_t *data; 272 data = (Mpi2EventDataSasEnclDevStatusChange_t *) 273 fw_event->event_data; 274 mps_mapping_enclosure_dev_status_change_event(sc, 275 fw_event->event_data); 276 break; 277 } 278 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: 279 { 280 Mpi2EventIrConfigElement_t *element; 281 int i; 282 u8 foreign_config; 283 Mpi2EventDataIrConfigChangeList_t *event_data; 284 struct mpssas_target *targ; 285 unsigned int id; 286 287 event_data = fw_event->event_data; 288 foreign_config = (le32toh(event_data->Flags) & 289 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; 290 291 element = 292 (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; 293 id = mps_mapping_get_raid_tid_from_handle(sc, 294 element->VolDevHandle); 295 296 mps_mapping_ir_config_change_event(sc, event_data); 297 298 for (i = 0; i < event_data->NumElements; i++, element++) { 299 switch (element->ReasonCode) { 300 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: 301 case MPI2_EVENT_IR_CHANGE_RC_ADDED: 302 if (!foreign_config) { 303 if (mpssas_volume_add(sc, 304 le16toh(element->VolDevHandle))){ 305 printf("%s: failed to add RAID " 306 "volume with handle 0x%x\n", 307 __func__, le16toh(element-> 308 VolDevHandle)); 309 } 310 } 311 break; 312 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: 313 case MPI2_EVENT_IR_CHANGE_RC_REMOVED: 314 /* 315 * Rescan after volume is deleted or removed. 316 */ 317 if (!foreign_config) { 318 if (id == MPS_MAP_BAD_ID) { 319 printf("%s: could not get ID " 320 "for volume with handle " 321 "0x%04x\n", __func__, 322 le16toh(element->VolDevHandle)); 323 break; 324 } 325 326 targ = &sassc->targets[id]; 327 targ->handle = 0x0; 328 targ->encl_slot = 0x0; 329 targ->encl_handle = 0x0; 330 targ->exp_dev_handle = 0x0; 331 targ->phy_num = 0x0; 332 targ->linkrate = 0x0; 333 mpssas_rescan_target(sc, targ); 334 printf("RAID target id 0x%x removed\n", 335 targ->tid); 336 } 337 break; 338 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: 339 case MPI2_EVENT_IR_CHANGE_RC_HIDE: 340 /* 341 * Phys Disk of a volume has been created. Hide 342 * it from the OS. 343 */ 344 targ = mpssas_find_target_by_handle(sassc, 0, 345 element->PhysDiskDevHandle); 346 if (targ == NULL) 347 break; 348 349 /* 350 * Set raid component flags only if it is not 351 * WD. OR WrapDrive with 352 * WD_HIDE_ALWAYS/WD_HIDE_IF_VOLUME is set in 353 * NVRAM 354 */ 355 if((!sc->WD_available) || 356 ((sc->WD_available && 357 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) || 358 (sc->WD_valid_config && (sc->WD_hide_expose == 359 MPS_WD_HIDE_IF_VOLUME)))) { 360 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 361 } 362 mpssas_rescan_target(sc, targ); 363 364 break; 365 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: 366 /* 367 * Phys Disk of a volume has been deleted. 368 * Expose it to the OS. 369 */ 370 if (mpssas_add_device(sc, 371 le16toh(element->PhysDiskDevHandle), 0)){ 372 printf("%s: failed to add device with " 373 "handle 0x%x\n", __func__, 374 le16toh(element->PhysDiskDevHandle)); 375 mpssas_prepare_remove(sassc, le16toh(element-> 376 PhysDiskDevHandle)); 377 } 378 break; 379 } 380 } 381 /* 382 * refcount was incremented for this event in 383 * mpssas_evt_handler. Decrement it here because the event has 384 * been processed. 385 */ 386 mpssas_startup_decrement(sassc); 387 break; 388 } 389 case MPI2_EVENT_IR_VOLUME: 390 { 391 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data; 392 393 /* 394 * Informational only. 395 */ 396 mps_dprint(sc, MPS_EVENT, "Received IR Volume event:\n"); 397 switch (event_data->ReasonCode) { 398 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED: 399 mps_dprint(sc, MPS_EVENT, " Volume Settings " 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_STATUS_FLAGS_CHANGED: 406 mps_dprint(sc, MPS_EVENT, " Volume Status " 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 break; 412 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED: 413 mps_dprint(sc, MPS_EVENT, " Volume State " 414 "changed from 0x%x to 0x%x for Volome with " 415 "handle 0x%x", le32toh(event_data->PreviousValue), 416 le32toh(event_data->NewValue), 417 le16toh(event_data->VolDevHandle)); 418 u32 state; 419 struct mpssas_target *targ; 420 state = le32toh(event_data->NewValue); 421 switch (state) { 422 case MPI2_RAID_VOL_STATE_MISSING: 423 case MPI2_RAID_VOL_STATE_FAILED: 424 mpssas_prepare_volume_remove(sassc, event_data-> 425 VolDevHandle); 426 break; 427 428 case MPI2_RAID_VOL_STATE_ONLINE: 429 case MPI2_RAID_VOL_STATE_DEGRADED: 430 case MPI2_RAID_VOL_STATE_OPTIMAL: 431 targ = mpssas_find_target_by_handle(sassc, 0, event_data->VolDevHandle); 432 if (targ) { 433 printf("%s %d: Volume handle 0x%x is already added \n", 434 __func__, __LINE__ , event_data->VolDevHandle); 435 break; 436 } 437 if (mpssas_volume_add(sc, le16toh(event_data->VolDevHandle))) { 438 printf("%s: failed to add RAID " 439 "volume with handle 0x%x\n", 440 __func__, le16toh(event_data-> 441 VolDevHandle)); 442 } 443 break; 444 default: 445 break; 446 } 447 break; 448 default: 449 break; 450 } 451 break; 452 } 453 case MPI2_EVENT_IR_PHYSICAL_DISK: 454 { 455 Mpi2EventDataIrPhysicalDisk_t *event_data = 456 fw_event->event_data; 457 struct mpssas_target *targ; 458 459 /* 460 * Informational only. 461 */ 462 mps_dprint(sc, MPS_EVENT, "Received IR Phys Disk event:\n"); 463 switch (event_data->ReasonCode) { 464 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED: 465 mps_dprint(sc, MPS_EVENT, " Phys Disk Settings " 466 "changed from 0x%x to 0x%x for Phys Disk Number " 467 "%d and handle 0x%x at Enclosure handle 0x%x, Slot " 468 "%d", le32toh(event_data->PreviousValue), 469 le32toh(event_data->NewValue), 470 event_data->PhysDiskNum, 471 le16toh(event_data->PhysDiskDevHandle), 472 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 473 break; 474 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED: 475 mps_dprint(sc, MPS_EVENT, " Phys Disk Status changed " 476 "from 0x%x to 0x%x for Phys Disk Number %d and " 477 "handle 0x%x at Enclosure handle 0x%x, Slot %d", 478 le32toh(event_data->PreviousValue), 479 le32toh(event_data->NewValue), event_data->PhysDiskNum, 480 le16toh(event_data->PhysDiskDevHandle), 481 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 482 break; 483 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED: 484 mps_dprint(sc, MPS_EVENT, " Phys Disk State changed " 485 "from 0x%x to 0x%x for Phys Disk Number %d and " 486 "handle 0x%x at Enclosure handle 0x%x, Slot %d", 487 le32toh(event_data->PreviousValue), 488 le32toh(event_data->NewValue), event_data->PhysDiskNum, 489 le16toh(event_data->PhysDiskDevHandle), 490 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 491 switch (event_data->NewValue) { 492 case MPI2_RAID_PD_STATE_ONLINE: 493 case MPI2_RAID_PD_STATE_DEGRADED: 494 case MPI2_RAID_PD_STATE_REBUILDING: 495 case MPI2_RAID_PD_STATE_OPTIMAL: 496 case MPI2_RAID_PD_STATE_HOT_SPARE: 497 targ = mpssas_find_target_by_handle(sassc, 0, 498 event_data->PhysDiskDevHandle); 499 if (targ) { 500 if(!sc->WD_available) { 501 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 502 printf("%s %d: Found Target for handle 0x%x. \n", 503 __func__, __LINE__ , event_data->PhysDiskDevHandle); 504 } else if ((sc->WD_available && 505 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) || 506 (sc->WD_valid_config && (sc->WD_hide_expose == 507 MPS_WD_HIDE_IF_VOLUME))) { 508 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 509 printf("%s %d: WD: Found Target for handle 0x%x. \n", 510 __func__, __LINE__ , event_data->PhysDiskDevHandle); 511 } 512 } 513 break; 514 case MPI2_RAID_PD_STATE_OFFLINE: 515 case MPI2_RAID_PD_STATE_NOT_CONFIGURED: 516 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: 517 default: 518 targ = mpssas_find_target_by_handle(sassc, 0, 519 event_data->PhysDiskDevHandle); 520 if (targ) { 521 targ->flags |= ~MPS_TARGET_FLAGS_RAID_COMPONENT; 522 printf("%s %d: Found Target for handle 0x%x. \n", 523 __func__, __LINE__ , event_data->PhysDiskDevHandle); 524 } 525 break; 526 } 527 default: 528 break; 529 } 530 break; 531 } 532 case MPI2_EVENT_IR_OPERATION_STATUS: 533 { 534 Mpi2EventDataIrOperationStatus_t *event_data = 535 fw_event->event_data; 536 537 /* 538 * Informational only. 539 */ 540 mps_dprint(sc, MPS_EVENT, "Received IR Op Status event:\n"); 541 mps_dprint(sc, MPS_EVENT, " RAID Operation of %d is %d " 542 "percent complete for Volume with handle 0x%x", 543 event_data->RAIDOperation, event_data->PercentComplete, 544 le16toh(event_data->VolDevHandle)); 545 break; 546 } 547 case MPI2_EVENT_LOG_ENTRY_ADDED: 548 { 549 pMpi2EventDataLogEntryAdded_t logEntry; 550 uint16_t logQualifier; 551 uint8_t logCode; 552 553 logEntry = (pMpi2EventDataLogEntryAdded_t)fw_event->event_data; 554 logQualifier = logEntry->LogEntryQualifier; 555 556 if (logQualifier == MPI2_WD_LOG_ENTRY) { 557 logCode = logEntry->LogData[0]; 558 559 switch (logCode) { 560 case MPI2_WD_SSD_THROTTLING: 561 printf("WarpDrive Warning: IO Throttling has " 562 "occurred in the WarpDrive subsystem. " 563 "Check WarpDrive documentation for " 564 "additional details\n"); 565 break; 566 case MPI2_WD_DRIVE_LIFE_WARN: 567 printf("WarpDrive Warning: Program/Erase " 568 "Cycles for the WarpDrive subsystem in " 569 "degraded range. Check WarpDrive " 570 "documentation for additional details\n"); 571 break; 572 case MPI2_WD_DRIVE_LIFE_DEAD: 573 printf("WarpDrive Fatal Error: There are no " 574 "Program/Erase Cycles for the WarpDrive " 575 "subsystem. The storage device will be in " 576 "read-only mode. Check WarpDrive " 577 "documentation for additional details\n"); 578 break; 579 case MPI2_WD_RAIL_MON_FAIL: 580 printf("WarpDrive Fatal Error: The Backup Rail " 581 "Monitor has failed on the WarpDrive " 582 "subsystem. Check WarpDrive documentation " 583 "for additional details\n"); 584 break; 585 default: 586 break; 587 } 588 } 589 break; 590 } 591 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: 592 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: 593 default: 594 mps_dprint(sc, MPS_TRACE,"Unhandled event 0x%0X\n", 595 fw_event->event); 596 break; 597 } 598 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Event Free: [%x]\n",event_count,__func__, fw_event->event); 599 mpssas_fw_event_free(sc, fw_event); 600 } 601 602 void 603 mpssas_firmware_event_work(void *arg, int pending) 604 { 605 struct mps_fw_event_work *fw_event; 606 struct mps_softc *sc; 607 608 sc = (struct mps_softc *)arg; 609 mps_lock(sc); 610 while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) { 611 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link); 612 mpssas_fw_work(sc, fw_event); 613 } 614 mps_unlock(sc); 615 } 616 617 static int 618 mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate){ 619 char devstring[80]; 620 struct mpssas_softc *sassc; 621 struct mpssas_target *targ; 622 Mpi2ConfigReply_t mpi_reply; 623 Mpi2SasDevicePage0_t config_page; 624 uint64_t sas_address; 625 uint64_t parent_sas_address = 0; 626 u32 device_info, parent_devinfo = 0; 627 unsigned int id; 628 int ret = 1, error = 0, i; 629 struct mpssas_lun *lun; 630 u8 is_SATA_SSD = 0; 631 struct mps_command *cm; 632 633 sassc = sc->sassc; 634 mpssas_startup_increment(sassc); 635 if (mps_config_get_sas_device_pg0(sc, &mpi_reply, &config_page, 636 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle) != 0) { 637 mps_dprint(sc, MPS_INFO|MPS_MAPPING|MPS_FAULT, 638 "Error reading SAS device %#x page0, iocstatus= 0x%x\n", 639 handle, mpi_reply.IOCStatus); 640 error = ENXIO; 641 goto out; 642 } 643 644 device_info = le32toh(config_page.DeviceInfo); 645 646 if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) 647 && (le16toh(config_page.ParentDevHandle) != 0)) { 648 Mpi2ConfigReply_t tmp_mpi_reply; 649 Mpi2SasDevicePage0_t parent_config_page; 650 651 if (mps_config_get_sas_device_pg0(sc, &tmp_mpi_reply, 652 &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, 653 le16toh(config_page.ParentDevHandle)) != 0) { 654 mps_dprint(sc, MPS_MAPPING|MPS_FAULT, 655 "Error reading parent SAS device %#x page0, " 656 "iocstatus= 0x%x\n", 657 le16toh(config_page.ParentDevHandle), 658 tmp_mpi_reply.IOCStatus); 659 } else { 660 parent_sas_address = parent_config_page.SASAddress.High; 661 parent_sas_address = (parent_sas_address << 32) | 662 parent_config_page.SASAddress.Low; 663 parent_devinfo = le32toh(parent_config_page.DeviceInfo); 664 } 665 } 666 /* TODO Check proper endianness */ 667 sas_address = config_page.SASAddress.High; 668 sas_address = (sas_address << 32) | config_page.SASAddress.Low; 669 mps_dprint(sc, MPS_MAPPING, "Handle 0x%04x SAS Address from SAS device " 670 "page0 = %jx\n", handle, sas_address); 671 672 /* 673 * Always get SATA Identify information because this is used to 674 * determine if Start/Stop Unit should be sent to the drive when the 675 * system is shutdown. 676 */ 677 if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) { 678 ret = mpssas_get_sas_address_for_sata_disk(sc, &sas_address, 679 handle, device_info, &is_SATA_SSD); 680 if (ret) { 681 mps_dprint(sc, MPS_MAPPING|MPS_ERROR, 682 "%s: failed to get disk type (SSD or HDD) for SATA " 683 "device with handle 0x%04x\n", 684 __func__, handle); 685 } else { 686 mps_dprint(sc, MPS_MAPPING, "Handle 0x%04x SAS Address " 687 "from SATA device = %jx\n", handle, sas_address); 688 } 689 } 690 691 /* 692 * use_phynum: 693 * 1 - use the PhyNum field as a fallback to the mapping logic 694 * 0 - never use the PhyNum field 695 * -1 - only use the PhyNum field 696 * 697 * Note that using the Phy number to map a device can cause device adds 698 * to fail if multiple enclosures/expanders are in the topology. For 699 * example, if two devices are in the same slot number in two different 700 * enclosures within the topology, only one of those devices will be 701 * added. PhyNum mapping should not be used if multiple enclosures are 702 * in the topology. 703 */ 704 id = MPS_MAP_BAD_ID; 705 if (sc->use_phynum != -1) 706 id = mps_mapping_get_tid(sc, sas_address, handle); 707 if (id == MPS_MAP_BAD_ID) { 708 if ((sc->use_phynum == 0) 709 || ((id = config_page.PhyNum) > sassc->maxtargets)) { 710 mps_dprint(sc, MPS_INFO, "failure at %s:%d/%s()! " 711 "Could not get ID for device with handle 0x%04x\n", 712 __FILE__, __LINE__, __func__, handle); 713 error = ENXIO; 714 goto out; 715 } 716 } 717 mps_dprint(sc, MPS_MAPPING, "%s: Target ID for added device is %d.\n", 718 __func__, id); 719 720 /* 721 * Only do the ID check and reuse check if the target is not from a 722 * RAID Component. For Physical Disks of a Volume, the ID will be reused 723 * when a volume is deleted because the mapping entry for the PD will 724 * still be in the mapping table. The ID check should not be done here 725 * either since this PD is already being used. 726 */ 727 targ = &sassc->targets[id]; 728 if (!(targ->flags & MPS_TARGET_FLAGS_RAID_COMPONENT)) { 729 if (mpssas_check_id(sassc, id) != 0) { 730 mps_dprint(sc, MPS_MAPPING|MPS_INFO, 731 "Excluding target id %d\n", id); 732 error = ENXIO; 733 goto out; 734 } 735 736 if (targ->handle != 0x0) { 737 mps_dprint(sc, MPS_MAPPING, "Attempting to reuse " 738 "target id %d handle 0x%04x\n", id, targ->handle); 739 error = ENXIO; 740 goto out; 741 } 742 } 743 744 targ->devinfo = device_info; 745 targ->devname = le32toh(config_page.DeviceName.High); 746 targ->devname = (targ->devname << 32) | 747 le32toh(config_page.DeviceName.Low); 748 targ->encl_handle = le16toh(config_page.EnclosureHandle); 749 targ->encl_slot = le16toh(config_page.Slot); 750 targ->handle = handle; 751 targ->parent_handle = le16toh(config_page.ParentDevHandle); 752 targ->sasaddr = mps_to_u64(&config_page.SASAddress); 753 targ->parent_sasaddr = le64toh(parent_sas_address); 754 targ->parent_devinfo = parent_devinfo; 755 targ->tid = id; 756 targ->linkrate = (linkrate>>4); 757 targ->flags = 0; 758 if (is_SATA_SSD) { 759 targ->flags = MPS_TARGET_IS_SATA_SSD; 760 } 761 TAILQ_INIT(&targ->commands); 762 TAILQ_INIT(&targ->timedout_commands); 763 while(!SLIST_EMPTY(&targ->luns)) { 764 lun = SLIST_FIRST(&targ->luns); 765 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 766 free(lun, M_MPT2); 767 } 768 SLIST_INIT(&targ->luns); 769 770 mps_describe_devinfo(targ->devinfo, devstring, 80); 771 mps_dprint(sc, MPS_MAPPING, "Found device <%s> <%s> <0x%04x> <%d/%d>\n", 772 devstring, mps_describe_table(mps_linkrate_names, targ->linkrate), 773 targ->handle, targ->encl_handle, targ->encl_slot); 774 775 mpssas_rescan_target(sc, targ); 776 mps_dprint(sc, MPS_MAPPING, "Target id 0x%x added\n", targ->tid); 777 778 /* 779 * Check all commands to see if the SATA_ID_TIMEOUT flag has been set. 780 * If so, send a Target Reset TM to the target that was just created. 781 * An Abort Task TM should be used instead of a Target Reset, but that 782 * would be much more difficult because targets have not been fully 783 * discovered yet, and LUN's haven't been setup. So, just reset the 784 * target instead of the LUN. The commands should complete once the 785 * target has been reset. 786 */ 787 for (i = 1; i < sc->num_reqs; i++) { 788 cm = &sc->commands[i]; 789 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) { 790 targ->timeouts++; 791 cm->cm_flags |= MPS_CM_FLAGS_TIMEDOUT; 792 793 if ((targ->tm = mpssas_alloc_tm(sc)) != NULL) { 794 mps_dprint(sc, MPS_INFO, "%s: sending Target " 795 "Reset for stuck SATA identify command " 796 "(cm = %p)\n", __func__, cm); 797 targ->tm->cm_targ = targ; 798 mpssas_send_reset(sc, targ->tm, 799 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET); 800 } else { 801 mps_dprint(sc, MPS_ERROR, "Failed to allocate " 802 "tm for Target Reset after SATA ID command " 803 "timed out (cm %p)\n", cm); 804 } 805 /* 806 * No need to check for more since the target is 807 * already being reset. 808 */ 809 break; 810 } 811 } 812 out: 813 mpssas_startup_decrement(sassc); 814 return (error); 815 } 816 817 int 818 mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 819 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD) 820 { 821 Mpi2SataPassthroughReply_t mpi_reply; 822 int i, rc, try_count; 823 u32 *bufferptr; 824 union _sata_sas_address hash_address; 825 struct _ata_identify_device_data ata_identify; 826 u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN]; 827 u32 ioc_status; 828 u8 sas_status; 829 830 memset(&ata_identify, 0, sizeof(ata_identify)); 831 try_count = 0; 832 do { 833 rc = mpssas_get_sata_identify(sc, handle, &mpi_reply, 834 (char *)&ata_identify, sizeof(ata_identify), device_info); 835 try_count++; 836 ioc_status = le16toh(mpi_reply.IOCStatus) 837 & MPI2_IOCSTATUS_MASK; 838 sas_status = mpi_reply.SASStatus; 839 switch (ioc_status) { 840 case MPI2_IOCSTATUS_SUCCESS: 841 break; 842 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: 843 /* No sense sleeping. this error won't get better */ 844 break; 845 default: 846 if (sc->spinup_wait_time > 0) { 847 mps_dprint(sc, MPS_INFO, "Sleeping %d seconds " 848 "after SATA ID error to wait for spinup\n", 849 sc->spinup_wait_time); 850 msleep(&sc->msleep_fake_chan, &sc->mps_mtx, 0, 851 "mpsid", sc->spinup_wait_time * hz); 852 } 853 } 854 } while (((rc && (rc != EWOULDBLOCK)) || 855 (ioc_status && 856 (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR)) 857 || sas_status) && (try_count < 5)); 858 859 if (rc == 0 && !ioc_status && !sas_status) { 860 mps_dprint(sc, MPS_MAPPING, "%s: got SATA identify " 861 "successfully for handle = 0x%x with try_count = %d\n", 862 __func__, handle, try_count); 863 } else { 864 mps_dprint(sc, MPS_MAPPING, "%s: handle = 0x%x failed\n", 865 __func__, handle); 866 return -1; 867 } 868 /* Copy & byteswap the 40 byte model number to a buffer */ 869 for (i = 0; i < MPT2SAS_MN_LEN; i += 2) { 870 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1]; 871 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i]; 872 } 873 /* Copy & byteswap the 20 byte serial number to a buffer */ 874 for (i = 0; i < MPT2SAS_SN_LEN; i += 2) { 875 buffer[MPT2SAS_MN_LEN + i] = 876 ((u8 *)ata_identify.serial_number)[i + 1]; 877 buffer[MPT2SAS_MN_LEN + i + 1] = 878 ((u8 *)ata_identify.serial_number)[i]; 879 } 880 bufferptr = (u32 *)buffer; 881 /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8, 882 * so loop through the first 56 bytes (7*8), 883 * and then add in the last dword. 884 */ 885 hash_address.word.low = 0; 886 hash_address.word.high = 0; 887 for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) { 888 hash_address.word.low += *bufferptr; 889 bufferptr++; 890 hash_address.word.high += *bufferptr; 891 bufferptr++; 892 } 893 /* Add the last dword */ 894 hash_address.word.low += *bufferptr; 895 /* Make sure the hash doesn't start with 5, because it could clash 896 * with a SAS address. Change 5 to a D. 897 */ 898 if ((hash_address.word.high & 0x000000F0) == (0x00000050)) 899 hash_address.word.high |= 0x00000080; 900 *sas_address = (u64)hash_address.wwid[0] << 56 | 901 (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 | 902 (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 | 903 (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] << 8 | 904 (u64)hash_address.wwid[7]; 905 if (ata_identify.rotational_speed == 1) { 906 *is_SATA_SSD = 1; 907 } 908 909 return 0; 910 } 911 912 static int 913 mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, 914 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo) 915 { 916 Mpi2SataPassthroughRequest_t *mpi_request; 917 Mpi2SataPassthroughReply_t *reply = NULL; 918 struct mps_command *cm; 919 char *buffer; 920 int error = 0; 921 922 buffer = malloc( sz, M_MPT2, M_NOWAIT | M_ZERO); 923 if (!buffer) 924 return ENOMEM; 925 926 if ((cm = mps_alloc_command(sc)) == NULL) { 927 free(buffer, M_MPT2); 928 return (EBUSY); 929 } 930 mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req; 931 bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST)); 932 mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH; 933 mpi_request->VF_ID = 0; 934 mpi_request->DevHandle = htole16(handle); 935 mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO | 936 MPI2_SATA_PT_REQ_PT_FLAGS_READ); 937 mpi_request->DataLength = htole32(sz); 938 mpi_request->CommandFIS[0] = 0x27; 939 mpi_request->CommandFIS[1] = 0x80; 940 mpi_request->CommandFIS[2] = (devinfo & 941 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC; 942 cm->cm_sge = &mpi_request->SGL; 943 cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION); 944 cm->cm_flags = MPS_CM_FLAGS_SGE_SIMPLE | MPS_CM_FLAGS_DATAIN; 945 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 946 cm->cm_data = buffer; 947 cm->cm_length = htole32(sz); 948 949 /* 950 * Use a custom handler to avoid reinit'ing the controller on timeout. 951 * This fixes a problem where the FW does not send a reply sometimes 952 * when a bad disk is in the topology. So, this is used to timeout the 953 * command so that processing can continue normally. 954 */ 955 cm->cm_timeout_handler = mpssas_ata_id_timeout; 956 957 error = mps_wait_command(sc, &cm, MPS_ATA_ID_TIMEOUT, CAN_SLEEP); 958 959 /* mpssas_ata_id_timeout does not reset controller */ 960 KASSERT(cm != NULL, ("%s: surprise command freed", __func__)); 961 962 reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply; 963 if (error || (reply == NULL)) { 964 /* FIXME */ 965 /* 966 * If the request returns an error then we need to do a diag 967 * reset 968 */ 969 mps_dprint(sc, MPS_INFO|MPS_FAULT|MPS_MAPPING, 970 "Request for SATA PASSTHROUGH page completed with error %d\n", 971 error); 972 error = ENXIO; 973 goto out; 974 } 975 bcopy(buffer, id_buffer, sz); 976 bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t)); 977 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) != 978 MPI2_IOCSTATUS_SUCCESS) { 979 mps_dprint(sc, MPS_INFO|MPS_MAPPING|MPS_FAULT, 980 "Error reading device %#x SATA PASSTHRU; iocstatus= 0x%x\n", 981 handle, reply->IOCStatus); 982 error = ENXIO; 983 goto out; 984 } 985 out: 986 /* 987 * If the SATA_ID_TIMEOUT flag has been set for this command, don't free 988 * it. The command and buffer will be freed after we send a Target 989 * Reset TM and the command comes back from the controller. 990 */ 991 if ((cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) == 0) { 992 mps_free_command(sc, cm); 993 free(buffer, M_MPT2); 994 } 995 return (error); 996 } 997 998 /* 999 * This is completion handler to make sure that commands and allocated 1000 * buffers get freed when timed out SATA ID commands finally complete after 1001 * we've reset the target. In the normal case, we wait for the command to 1002 * complete. 1003 */ 1004 static void 1005 mpssas_ata_id_complete(struct mps_softc *sc, struct mps_command *cm) 1006 { 1007 mps_dprint(sc, MPS_INFO, "%s ATA ID completed late cm %p sc %p\n", 1008 __func__, cm, sc); 1009 1010 free(cm->cm_data, M_MPT2); 1011 mps_free_command(sc, cm); 1012 } 1013 1014 1015 static void 1016 mpssas_ata_id_timeout(struct mps_softc *sc, struct mps_command *cm) 1017 { 1018 mps_dprint(sc, MPS_INFO, "%s ATA ID command timeout cm %p sc %p\n", 1019 __func__, cm, sc); 1020 1021 /* 1022 * The Abort Task cannot be sent from here because the driver has not 1023 * completed setting up targets. Instead, the command is flagged so 1024 * that special handling will be used to send a target reset. 1025 */ 1026 cm->cm_flags |= MPS_CM_FLAGS_SATA_ID_TIMEOUT; 1027 1028 /* 1029 * Since we will no longer be waiting for the command to complete, 1030 * set a completion handler to make sure we free all resources. 1031 */ 1032 cm->cm_complete = mpssas_ata_id_complete; 1033 } 1034 1035 static int 1036 mpssas_volume_add(struct mps_softc *sc, u16 handle) 1037 { 1038 struct mpssas_softc *sassc; 1039 struct mpssas_target *targ; 1040 u64 wwid; 1041 unsigned int id; 1042 int error = 0; 1043 struct mpssas_lun *lun; 1044 1045 sassc = sc->sassc; 1046 mpssas_startup_increment(sassc); 1047 /* wwid is endian safe */ 1048 mps_config_get_volume_wwid(sc, handle, &wwid); 1049 if (!wwid) { 1050 printf("%s: invalid WWID; cannot add volume to mapping table\n", 1051 __func__); 1052 error = ENXIO; 1053 goto out; 1054 } 1055 1056 id = mps_mapping_get_raid_tid(sc, wwid, handle); 1057 if (id == MPS_MAP_BAD_ID) { 1058 printf("%s: could not get ID for volume with handle 0x%04x and " 1059 "WWID 0x%016llx\n", __func__, handle, 1060 (unsigned long long)wwid); 1061 error = ENXIO; 1062 goto out; 1063 } 1064 1065 targ = &sassc->targets[id]; 1066 targ->tid = id; 1067 targ->handle = handle; 1068 targ->devname = wwid; 1069 TAILQ_INIT(&targ->commands); 1070 TAILQ_INIT(&targ->timedout_commands); 1071 while(!SLIST_EMPTY(&targ->luns)) { 1072 lun = SLIST_FIRST(&targ->luns); 1073 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 1074 free(lun, M_MPT2); 1075 } 1076 SLIST_INIT(&targ->luns); 1077 mpssas_rescan_target(sc, targ); 1078 mps_dprint(sc, MPS_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n", 1079 targ->tid, wwid); 1080 out: 1081 mpssas_startup_decrement(sassc); 1082 return (error); 1083 } 1084 1085 /** 1086 * mpssas_SSU_to_SATA_devices 1087 * @sc: per adapter object 1088 * @howto: mast of RB_* bits for how we're rebooting 1089 * 1090 * Looks through the target list and issues a StartStopUnit SCSI command to each 1091 * SATA direct-access device. This helps to ensure that data corruption is 1092 * avoided when the system is being shut down. This must be called after the IR 1093 * System Shutdown RAID Action is sent if in IR mode. 1094 * 1095 * Return nothing. 1096 */ 1097 static void 1098 mpssas_SSU_to_SATA_devices(struct mps_softc *sc, int howto) 1099 { 1100 struct mpssas_softc *sassc = sc->sassc; 1101 union ccb *ccb; 1102 path_id_t pathid = cam_sim_path(sassc->sim); 1103 target_id_t targetid; 1104 struct mpssas_target *target; 1105 char path_str[64]; 1106 int timeout; 1107 1108 /* 1109 * For each target, issue a StartStopUnit command to stop the device. 1110 */ 1111 sc->SSU_started = TRUE; 1112 sc->SSU_refcount = 0; 1113 for (targetid = 0; targetid < sc->max_devices; targetid++) { 1114 target = &sassc->targets[targetid]; 1115 if (target->handle == 0x0) { 1116 continue; 1117 } 1118 1119 ccb = xpt_alloc_ccb_nowait(); 1120 if (ccb == NULL) { 1121 mps_dprint(sc, MPS_FAULT, "Unable to alloc CCB to stop " 1122 "unit.\n"); 1123 return; 1124 } 1125 1126 /* 1127 * The stop_at_shutdown flag will be set if this device is 1128 * a SATA direct-access end device. 1129 */ 1130 if (target->stop_at_shutdown) { 1131 if (xpt_create_path(&ccb->ccb_h.path, 1132 xpt_periph, pathid, targetid, 1133 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1134 mps_dprint(sc, MPS_FAULT, "Unable to create " 1135 "LUN path to stop unit.\n"); 1136 xpt_free_ccb(ccb); 1137 return; 1138 } 1139 xpt_path_string(ccb->ccb_h.path, path_str, 1140 sizeof(path_str)); 1141 1142 mps_dprint(sc, MPS_INFO, "Sending StopUnit: path %s " 1143 "handle %d\n", path_str, target->handle); 1144 1145 /* 1146 * Issue a START STOP UNIT command for the target. 1147 * Increment the SSU counter to be used to count the 1148 * number of required replies. 1149 */ 1150 mps_dprint(sc, MPS_INFO, "Incrementing SSU count\n"); 1151 sc->SSU_refcount++; 1152 ccb->ccb_h.target_id = 1153 xpt_path_target_id(ccb->ccb_h.path); 1154 ccb->ccb_h.ppriv_ptr1 = sassc; 1155 scsi_start_stop(&ccb->csio, 1156 /*retries*/0, 1157 mpssas_stop_unit_done, 1158 MSG_SIMPLE_Q_TAG, 1159 /*start*/FALSE, 1160 /*load/eject*/0, 1161 /*immediate*/FALSE, 1162 MPS_SENSE_LEN, 1163 /*timeout*/10000); 1164 xpt_action(ccb); 1165 } 1166 } 1167 1168 /* 1169 * Timeout after 60 seconds by default or 10 seconds if howto has 1170 * RB_NOSYNC set which indicates we're likely handling a panic. 1171 */ 1172 timeout = 600; 1173 if (howto & RB_NOSYNC) 1174 timeout = 100; 1175 1176 /* 1177 * Wait until all of the SSU commands have completed or timeout has 1178 * expired. Pause for 100ms each time through. If any command 1179 * times out, the target will be reset in the SCSI command timeout 1180 * routine. 1181 */ 1182 while (sc->SSU_refcount > 0) { 1183 pause("mpswait", hz/10); 1184 if (SCHEDULER_STOPPED()) 1185 xpt_sim_poll(sassc->sim); 1186 1187 if (--timeout == 0) { 1188 mps_dprint(sc, MPS_FAULT, "Time has expired waiting " 1189 "for SSU commands to complete.\n"); 1190 break; 1191 } 1192 } 1193 } 1194 1195 static void 1196 mpssas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb) 1197 { 1198 struct mpssas_softc *sassc; 1199 char path_str[64]; 1200 1201 if (done_ccb == NULL) 1202 return; 1203 1204 sassc = (struct mpssas_softc *)done_ccb->ccb_h.ppriv_ptr1; 1205 1206 xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str)); 1207 mps_dprint(sassc->sc, MPS_INFO, "Completing stop unit for %s\n", 1208 path_str); 1209 1210 /* 1211 * Nothing more to do except free the CCB and path. If the command 1212 * timed out, an abort reset, then target reset will be issued during 1213 * the SCSI Command process. 1214 */ 1215 xpt_free_path(done_ccb->ccb_h.path); 1216 xpt_free_ccb(done_ccb); 1217 } 1218 1219 /** 1220 * mpssas_ir_shutdown - IR shutdown notification 1221 * @sc: per adapter object 1222 * @howto: mast of RB_* bits for how we're rebooting 1223 * 1224 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that 1225 * the host system is shutting down. 1226 * 1227 * Return nothing. 1228 */ 1229 void 1230 mpssas_ir_shutdown(struct mps_softc *sc, int howto) 1231 { 1232 u16 volume_mapping_flags; 1233 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1234 struct dev_mapping_table *mt_entry; 1235 u32 start_idx, end_idx; 1236 unsigned int id, found_volume = 0; 1237 struct mps_command *cm; 1238 Mpi2RaidActionRequest_t *action; 1239 target_id_t targetid; 1240 struct mpssas_target *target; 1241 1242 mps_dprint(sc, MPS_TRACE, "%s\n", __func__); 1243 1244 /* is IR firmware build loaded? */ 1245 if (!sc->ir_firmware) 1246 goto out; 1247 1248 /* are there any volumes? Look at IR target IDs. */ 1249 // TODO-later, this should be looked up in the RAID config structure 1250 // when it is implemented. 1251 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) & 1252 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; 1253 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) { 1254 start_idx = 0; 1255 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0) 1256 start_idx = 1; 1257 } else 1258 start_idx = sc->max_devices - sc->max_volumes; 1259 end_idx = start_idx + sc->max_volumes - 1; 1260 1261 for (id = start_idx; id < end_idx; id++) { 1262 mt_entry = &sc->mapping_table[id]; 1263 if ((mt_entry->physical_id != 0) && 1264 (mt_entry->missing_count == 0)) { 1265 found_volume = 1; 1266 break; 1267 } 1268 } 1269 1270 if (!found_volume) 1271 goto out; 1272 1273 if ((cm = mps_alloc_command(sc)) == NULL) { 1274 printf("%s: command alloc failed\n", __func__); 1275 goto out; 1276 } 1277 1278 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req; 1279 action->Function = MPI2_FUNCTION_RAID_ACTION; 1280 action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; 1281 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 1282 mps_lock(sc); 1283 mps_wait_command(sc, &cm, 5, CAN_SLEEP); 1284 mps_unlock(sc); 1285 1286 /* 1287 * Don't check for reply, just leave. 1288 */ 1289 if (cm) 1290 mps_free_command(sc, cm); 1291 1292 out: 1293 /* 1294 * All of the targets must have the correct value set for 1295 * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable. 1296 * 1297 * The possible values for the 'enable_ssu' variable are: 1298 * 0: disable to SSD and HDD 1299 * 1: disable only to HDD (default) 1300 * 2: disable only to SSD 1301 * 3: enable to SSD and HDD 1302 * anything else will default to 1. 1303 */ 1304 for (targetid = 0; targetid < sc->max_devices; targetid++) { 1305 target = &sc->sassc->targets[targetid]; 1306 if (target->handle == 0x0) { 1307 continue; 1308 } 1309 1310 if (target->supports_SSU) { 1311 switch (sc->enable_ssu) { 1312 case MPS_SSU_DISABLE_SSD_DISABLE_HDD: 1313 target->stop_at_shutdown = FALSE; 1314 break; 1315 case MPS_SSU_DISABLE_SSD_ENABLE_HDD: 1316 target->stop_at_shutdown = TRUE; 1317 if (target->flags & MPS_TARGET_IS_SATA_SSD) { 1318 target->stop_at_shutdown = FALSE; 1319 } 1320 break; 1321 case MPS_SSU_ENABLE_SSD_ENABLE_HDD: 1322 target->stop_at_shutdown = TRUE; 1323 break; 1324 case MPS_SSU_ENABLE_SSD_DISABLE_HDD: 1325 default: 1326 target->stop_at_shutdown = TRUE; 1327 if ((target->flags & 1328 MPS_TARGET_IS_SATA_SSD) == 0) { 1329 target->stop_at_shutdown = FALSE; 1330 } 1331 break; 1332 } 1333 } 1334 } 1335 mpssas_SSU_to_SATA_devices(sc, howto); 1336 } 1337