1 /*- 2 * Copyright (c) 2011-2015 LSI Corp. 3 * Copyright (c) 2013-2015 Avago Technologies 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD 28 */ 29 30 #include <sys/cdefs.h> 31 __FBSDID("$FreeBSD$"); 32 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/queue.h> 50 #include <sys/kthread.h> 51 #include <sys/taskqueue.h> 52 #include <sys/sbuf.h> 53 54 #include <machine/bus.h> 55 #include <machine/resource.h> 56 #include <sys/rman.h> 57 58 #include <machine/stdarg.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_timeout(void *data); 123 int mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 124 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD); 125 static int mpssas_volume_add(struct mps_softc *sc, 126 u16 handle); 127 static void mpssas_SSU_to_SATA_devices(struct mps_softc *sc); 128 static void mpssas_stop_unit_done(struct cam_periph *periph, 129 union ccb *done_ccb); 130 131 void 132 mpssas_evt_handler(struct mps_softc *sc, uintptr_t data, 133 MPI2_EVENT_NOTIFICATION_REPLY *event) 134 { 135 struct mps_fw_event_work *fw_event; 136 u16 sz; 137 138 mps_dprint(sc, MPS_TRACE, "%s\n", __func__); 139 MPS_DPRINT_EVENT(sc, sas, event); 140 mpssas_record_event(sc, event); 141 142 fw_event = malloc(sizeof(struct mps_fw_event_work), M_MPT2, 143 M_ZERO|M_NOWAIT); 144 if (!fw_event) { 145 printf("%s: allocate failed for fw_event\n", __func__); 146 return; 147 } 148 sz = le16toh(event->EventDataLength) * 4; 149 fw_event->event_data = malloc(sz, M_MPT2, M_ZERO|M_NOWAIT); 150 if (!fw_event->event_data) { 151 printf("%s: allocate failed for event_data\n", __func__); 152 free(fw_event, M_MPT2); 153 return; 154 } 155 156 bcopy(event->EventData, fw_event->event_data, sz); 157 fw_event->event = event->Event; 158 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || 159 event->Event == MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE || 160 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) && 161 sc->track_mapping_events) 162 sc->pending_map_events++; 163 164 /* 165 * When wait_for_port_enable flag is set, make sure that all the events 166 * are processed. Increment the startup_refcount and decrement it after 167 * events are processed. 168 */ 169 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || 170 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) && 171 sc->wait_for_port_enable) 172 mpssas_startup_increment(sc->sassc); 173 174 TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link); 175 taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task); 176 177 } 178 179 static void 180 mpssas_fw_event_free(struct mps_softc *sc, struct mps_fw_event_work *fw_event) 181 { 182 183 free(fw_event->event_data, M_MPT2); 184 free(fw_event, M_MPT2); 185 } 186 187 /** 188 * _mps_fw_work - delayed task for processing firmware events 189 * @sc: per adapter object 190 * @fw_event: The fw_event_work object 191 * Context: user. 192 * 193 * Return nothing. 194 */ 195 static void 196 mpssas_fw_work(struct mps_softc *sc, struct mps_fw_event_work *fw_event) 197 { 198 struct mpssas_softc *sassc; 199 sassc = sc->sassc; 200 201 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Working on Event: [%x]\n", 202 event_count++,__func__,fw_event->event); 203 switch (fw_event->event) { 204 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: 205 { 206 MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data; 207 MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy; 208 int i; 209 210 data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *) 211 fw_event->event_data; 212 213 mps_mapping_topology_change_event(sc, fw_event->event_data); 214 215 for (i = 0; i < data->NumEntries; i++) { 216 phy = &data->PHY[i]; 217 switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) { 218 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: 219 if (mpssas_add_device(sc, 220 le16toh(phy->AttachedDevHandle), 221 phy->LinkRate)){ 222 mps_dprint(sc, MPS_ERROR, "%s: " 223 "failed to add device with handle " 224 "0x%x\n", __func__, 225 le16toh(phy->AttachedDevHandle)); 226 mpssas_prepare_remove(sassc, le16toh( 227 phy->AttachedDevHandle)); 228 } 229 break; 230 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: 231 mpssas_prepare_remove(sassc,le16toh( 232 phy->AttachedDevHandle)); 233 break; 234 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: 235 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: 236 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: 237 default: 238 break; 239 } 240 } 241 /* 242 * refcount was incremented for this event in 243 * mpssas_evt_handler. Decrement it here because the event has 244 * been processed. 245 */ 246 mpssas_startup_decrement(sassc); 247 break; 248 } 249 case MPI2_EVENT_SAS_DISCOVERY: 250 { 251 MPI2_EVENT_DATA_SAS_DISCOVERY *data; 252 253 data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data; 254 255 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED) 256 mps_dprint(sc, MPS_TRACE,"SAS discovery start event\n"); 257 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) { 258 mps_dprint(sc, MPS_TRACE,"SAS discovery stop event\n"); 259 sassc->flags &= ~MPSSAS_IN_DISCOVERY; 260 mpssas_discovery_end(sassc); 261 } 262 break; 263 } 264 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: 265 { 266 Mpi2EventDataSasEnclDevStatusChange_t *data; 267 data = (Mpi2EventDataSasEnclDevStatusChange_t *) 268 fw_event->event_data; 269 mps_mapping_enclosure_dev_status_change_event(sc, 270 fw_event->event_data); 271 break; 272 } 273 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: 274 { 275 Mpi2EventIrConfigElement_t *element; 276 int i; 277 u8 foreign_config; 278 Mpi2EventDataIrConfigChangeList_t *event_data; 279 struct mpssas_target *targ; 280 unsigned int id; 281 282 event_data = fw_event->event_data; 283 foreign_config = (le32toh(event_data->Flags) & 284 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; 285 286 element = 287 (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; 288 id = mps_mapping_get_raid_tid_from_handle(sc, 289 element->VolDevHandle); 290 291 mps_mapping_ir_config_change_event(sc, event_data); 292 293 for (i = 0; i < event_data->NumElements; i++, element++) { 294 switch (element->ReasonCode) { 295 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: 296 case MPI2_EVENT_IR_CHANGE_RC_ADDED: 297 if (!foreign_config) { 298 if (mpssas_volume_add(sc, 299 le16toh(element->VolDevHandle))){ 300 printf("%s: failed to add RAID " 301 "volume with handle 0x%x\n", 302 __func__, le16toh(element-> 303 VolDevHandle)); 304 } 305 } 306 break; 307 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: 308 case MPI2_EVENT_IR_CHANGE_RC_REMOVED: 309 /* 310 * Rescan after volume is deleted or removed. 311 */ 312 if (!foreign_config) { 313 if (id == MPS_MAP_BAD_ID) { 314 printf("%s: could not get ID " 315 "for volume with handle " 316 "0x%04x\n", __func__, 317 le16toh(element->VolDevHandle)); 318 break; 319 } 320 321 targ = &sassc->targets[id]; 322 targ->handle = 0x0; 323 targ->encl_slot = 0x0; 324 targ->encl_handle = 0x0; 325 targ->exp_dev_handle = 0x0; 326 targ->phy_num = 0x0; 327 targ->linkrate = 0x0; 328 mpssas_rescan_target(sc, targ); 329 printf("RAID target id 0x%x removed\n", 330 targ->tid); 331 } 332 break; 333 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: 334 case MPI2_EVENT_IR_CHANGE_RC_HIDE: 335 /* 336 * Phys Disk of a volume has been created. Hide 337 * it from the OS. 338 */ 339 targ = mpssas_find_target_by_handle(sassc, 0, 340 element->PhysDiskDevHandle); 341 if (targ == NULL) 342 break; 343 344 /* 345 * Set raid component flags only if it is not 346 * WD. OR WrapDrive with 347 * WD_HIDE_ALWAYS/WD_HIDE_IF_VOLUME is set in 348 * NVRAM 349 */ 350 if((!sc->WD_available) || 351 ((sc->WD_available && 352 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) || 353 (sc->WD_valid_config && (sc->WD_hide_expose == 354 MPS_WD_HIDE_IF_VOLUME)))) { 355 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 356 } 357 mpssas_rescan_target(sc, targ); 358 359 break; 360 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: 361 /* 362 * Phys Disk of a volume has been deleted. 363 * Expose it to the OS. 364 */ 365 if (mpssas_add_device(sc, 366 le16toh(element->PhysDiskDevHandle), 0)){ 367 printf("%s: failed to add device with " 368 "handle 0x%x\n", __func__, 369 le16toh(element->PhysDiskDevHandle)); 370 mpssas_prepare_remove(sassc, le16toh(element-> 371 PhysDiskDevHandle)); 372 } 373 break; 374 } 375 } 376 /* 377 * refcount was incremented for this event in 378 * mpssas_evt_handler. Decrement it here because the event has 379 * been processed. 380 */ 381 mpssas_startup_decrement(sassc); 382 break; 383 } 384 case MPI2_EVENT_IR_VOLUME: 385 { 386 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data; 387 388 /* 389 * Informational only. 390 */ 391 mps_dprint(sc, MPS_EVENT, "Received IR Volume event:\n"); 392 switch (event_data->ReasonCode) { 393 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED: 394 mps_dprint(sc, MPS_EVENT, " Volume Settings " 395 "changed from 0x%x to 0x%x for Volome with " 396 "handle 0x%x", le32toh(event_data->PreviousValue), 397 le32toh(event_data->NewValue), 398 le16toh(event_data->VolDevHandle)); 399 break; 400 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED: 401 mps_dprint(sc, MPS_EVENT, " Volume Status " 402 "changed from 0x%x to 0x%x for Volome with " 403 "handle 0x%x", le32toh(event_data->PreviousValue), 404 le32toh(event_data->NewValue), 405 le16toh(event_data->VolDevHandle)); 406 break; 407 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED: 408 mps_dprint(sc, MPS_EVENT, " Volume State " 409 "changed from 0x%x to 0x%x for Volome with " 410 "handle 0x%x", le32toh(event_data->PreviousValue), 411 le32toh(event_data->NewValue), 412 le16toh(event_data->VolDevHandle)); 413 u32 state; 414 struct mpssas_target *targ; 415 state = le32toh(event_data->NewValue); 416 switch (state) { 417 case MPI2_RAID_VOL_STATE_MISSING: 418 case MPI2_RAID_VOL_STATE_FAILED: 419 mpssas_prepare_volume_remove(sassc, event_data-> 420 VolDevHandle); 421 break; 422 423 case MPI2_RAID_VOL_STATE_ONLINE: 424 case MPI2_RAID_VOL_STATE_DEGRADED: 425 case MPI2_RAID_VOL_STATE_OPTIMAL: 426 targ = mpssas_find_target_by_handle(sassc, 0, event_data->VolDevHandle); 427 if (targ) { 428 printf("%s %d: Volume handle 0x%x is already added \n", 429 __func__, __LINE__ , event_data->VolDevHandle); 430 break; 431 } 432 if (mpssas_volume_add(sc, le16toh(event_data->VolDevHandle))) { 433 printf("%s: failed to add RAID " 434 "volume with handle 0x%x\n", 435 __func__, le16toh(event_data-> 436 VolDevHandle)); 437 } 438 break; 439 default: 440 break; 441 } 442 break; 443 default: 444 break; 445 } 446 break; 447 } 448 case MPI2_EVENT_IR_PHYSICAL_DISK: 449 { 450 Mpi2EventDataIrPhysicalDisk_t *event_data = 451 fw_event->event_data; 452 struct mpssas_target *targ; 453 454 /* 455 * Informational only. 456 */ 457 mps_dprint(sc, MPS_EVENT, "Received IR Phys Disk event:\n"); 458 switch (event_data->ReasonCode) { 459 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED: 460 mps_dprint(sc, MPS_EVENT, " Phys Disk Settings " 461 "changed from 0x%x to 0x%x for Phys Disk Number " 462 "%d and handle 0x%x at Enclosure handle 0x%x, Slot " 463 "%d", le32toh(event_data->PreviousValue), 464 le32toh(event_data->NewValue), 465 event_data->PhysDiskNum, 466 le16toh(event_data->PhysDiskDevHandle), 467 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 468 break; 469 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED: 470 mps_dprint(sc, MPS_EVENT, " Phys Disk Status changed " 471 "from 0x%x to 0x%x for Phys Disk Number %d and " 472 "handle 0x%x at Enclosure handle 0x%x, Slot %d", 473 le32toh(event_data->PreviousValue), 474 le32toh(event_data->NewValue), event_data->PhysDiskNum, 475 le16toh(event_data->PhysDiskDevHandle), 476 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 477 break; 478 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED: 479 mps_dprint(sc, MPS_EVENT, " Phys Disk State changed " 480 "from 0x%x to 0x%x for Phys Disk Number %d and " 481 "handle 0x%x at Enclosure handle 0x%x, Slot %d", 482 le32toh(event_data->PreviousValue), 483 le32toh(event_data->NewValue), event_data->PhysDiskNum, 484 le16toh(event_data->PhysDiskDevHandle), 485 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 486 switch (event_data->NewValue) { 487 case MPI2_RAID_PD_STATE_ONLINE: 488 case MPI2_RAID_PD_STATE_DEGRADED: 489 case MPI2_RAID_PD_STATE_REBUILDING: 490 case MPI2_RAID_PD_STATE_OPTIMAL: 491 case MPI2_RAID_PD_STATE_HOT_SPARE: 492 targ = mpssas_find_target_by_handle(sassc, 0, 493 event_data->PhysDiskDevHandle); 494 if (targ) { 495 if(!sc->WD_available) { 496 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 497 printf("%s %d: Found Target for handle 0x%x. \n", 498 __func__, __LINE__ , event_data->PhysDiskDevHandle); 499 } else if ((sc->WD_available && 500 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) || 501 (sc->WD_valid_config && (sc->WD_hide_expose == 502 MPS_WD_HIDE_IF_VOLUME))) { 503 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 504 printf("%s %d: WD: Found Target for handle 0x%x. \n", 505 __func__, __LINE__ , event_data->PhysDiskDevHandle); 506 } 507 } 508 break; 509 case MPI2_RAID_PD_STATE_OFFLINE: 510 case MPI2_RAID_PD_STATE_NOT_CONFIGURED: 511 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: 512 default: 513 targ = mpssas_find_target_by_handle(sassc, 0, 514 event_data->PhysDiskDevHandle); 515 if (targ) { 516 targ->flags |= ~MPS_TARGET_FLAGS_RAID_COMPONENT; 517 printf("%s %d: Found Target for handle 0x%x. \n", 518 __func__, __LINE__ , event_data->PhysDiskDevHandle); 519 } 520 break; 521 } 522 default: 523 break; 524 } 525 break; 526 } 527 case MPI2_EVENT_IR_OPERATION_STATUS: 528 { 529 Mpi2EventDataIrOperationStatus_t *event_data = 530 fw_event->event_data; 531 532 /* 533 * Informational only. 534 */ 535 mps_dprint(sc, MPS_EVENT, "Received IR Op Status event:\n"); 536 mps_dprint(sc, MPS_EVENT, " RAID Operation of %d is %d " 537 "percent complete for Volume with handle 0x%x", 538 event_data->RAIDOperation, event_data->PercentComplete, 539 le16toh(event_data->VolDevHandle)); 540 break; 541 } 542 case MPI2_EVENT_LOG_ENTRY_ADDED: 543 { 544 pMpi2EventDataLogEntryAdded_t logEntry; 545 uint16_t logQualifier; 546 uint8_t logCode; 547 548 logEntry = (pMpi2EventDataLogEntryAdded_t)fw_event->event_data; 549 logQualifier = logEntry->LogEntryQualifier; 550 551 if (logQualifier == MPI2_WD_LOG_ENTRY) { 552 logCode = logEntry->LogData[0]; 553 554 switch (logCode) { 555 case MPI2_WD_SSD_THROTTLING: 556 printf("WarpDrive Warning: IO Throttling has " 557 "occurred in the WarpDrive subsystem. " 558 "Check WarpDrive documentation for " 559 "additional details\n"); 560 break; 561 case MPI2_WD_DRIVE_LIFE_WARN: 562 printf("WarpDrive Warning: Program/Erase " 563 "Cycles for the WarpDrive subsystem in " 564 "degraded range. Check WarpDrive " 565 "documentation for additional details\n"); 566 break; 567 case MPI2_WD_DRIVE_LIFE_DEAD: 568 printf("WarpDrive Fatal Error: There are no " 569 "Program/Erase Cycles for the WarpDrive " 570 "subsystem. The storage device will be in " 571 "read-only mode. Check WarpDrive " 572 "documentation for additional details\n"); 573 break; 574 case MPI2_WD_RAIL_MON_FAIL: 575 printf("WarpDrive Fatal Error: The Backup Rail " 576 "Monitor has failed on the WarpDrive " 577 "subsystem. Check WarpDrive documentation " 578 "for additional details\n"); 579 break; 580 default: 581 break; 582 } 583 } 584 break; 585 } 586 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: 587 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: 588 default: 589 mps_dprint(sc, MPS_TRACE,"Unhandled event 0x%0X\n", 590 fw_event->event); 591 break; 592 593 } 594 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Event Free: [%x]\n",event_count,__func__, fw_event->event); 595 mpssas_fw_event_free(sc, fw_event); 596 } 597 598 void 599 mpssas_firmware_event_work(void *arg, int pending) 600 { 601 struct mps_fw_event_work *fw_event; 602 struct mps_softc *sc; 603 604 sc = (struct mps_softc *)arg; 605 mps_lock(sc); 606 while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) { 607 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link); 608 mpssas_fw_work(sc, fw_event); 609 } 610 mps_unlock(sc); 611 } 612 613 static int 614 mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate){ 615 char devstring[80]; 616 struct mpssas_softc *sassc; 617 struct mpssas_target *targ; 618 Mpi2ConfigReply_t mpi_reply; 619 Mpi2SasDevicePage0_t config_page; 620 uint64_t sas_address; 621 uint64_t parent_sas_address = 0; 622 u32 device_info, parent_devinfo = 0; 623 unsigned int id; 624 int ret = 1, error = 0, i; 625 struct mpssas_lun *lun; 626 u8 is_SATA_SSD = 0; 627 struct mps_command *cm; 628 629 sassc = sc->sassc; 630 mpssas_startup_increment(sassc); 631 if ((mps_config_get_sas_device_pg0(sc, &mpi_reply, &config_page, 632 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { 633 printf("%s: error reading SAS device page0\n", __func__); 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)))) { 648 printf("%s: error reading SAS device %#x page0\n", 649 __func__, le16toh(config_page.ParentDevHandle)); 650 } else { 651 parent_sas_address = parent_config_page.SASAddress.High; 652 parent_sas_address = (parent_sas_address << 32) | 653 parent_config_page.SASAddress.Low; 654 parent_devinfo = le32toh(parent_config_page.DeviceInfo); 655 } 656 } 657 /* TODO Check proper endianness */ 658 sas_address = config_page.SASAddress.High; 659 sas_address = (sas_address << 32) | config_page.SASAddress.Low; 660 661 /* 662 * Always get SATA Identify information because this is used to 663 * determine if Start/Stop Unit should be sent to the drive when the 664 * system is shutdown. 665 */ 666 if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) { 667 ret = mpssas_get_sas_address_for_sata_disk(sc, &sas_address, 668 handle, device_info, &is_SATA_SSD); 669 if (ret) { 670 mps_dprint(sc, MPS_INFO, "%s: failed to get disk type " 671 "(SSD or HDD) for SATA device with handle 0x%04x\n", 672 __func__, handle); 673 } else { 674 mps_dprint(sc, MPS_INFO, "SAS Address from SATA " 675 "device = %jx\n", sas_address); 676 } 677 } 678 679 /* 680 * use_phynum: 681 * 1 - use the PhyNum field as a fallback to the mapping logic 682 * 0 - never use the PhyNum field 683 * -1 - only use the PhyNum field 684 * 685 * Note that using the Phy number to map a device can cause device adds 686 * to fail if multiple enclosures/expanders are in the topology. For 687 * example, if two devices are in the same slot number in two different 688 * enclosures within the topology, only one of those devices will be 689 * added. PhyNum mapping should not be used if multiple enclosures are 690 * in the topology. 691 */ 692 id = MPS_MAP_BAD_ID; 693 if (sc->use_phynum != -1) 694 id = mps_mapping_get_tid(sc, sas_address, handle); 695 if (id == MPS_MAP_BAD_ID) { 696 if ((sc->use_phynum == 0) 697 || ((id = config_page.PhyNum) > sassc->maxtargets)) { 698 mps_dprint(sc, MPS_INFO, "failure at %s:%d/%s()! " 699 "Could not get ID for device with handle 0x%04x\n", 700 __FILE__, __LINE__, __func__, handle); 701 error = ENXIO; 702 goto out; 703 } 704 } 705 mps_dprint(sc, MPS_MAPPING, "%s: Target ID for added device is %d.\n", 706 __func__, id); 707 708 /* 709 * Only do the ID check and reuse check if the target is not from a 710 * RAID Component. For Physical Disks of a Volume, the ID will be reused 711 * when a volume is deleted because the mapping entry for the PD will 712 * still be in the mapping table. The ID check should not be done here 713 * either since this PD is already being used. 714 */ 715 targ = &sassc->targets[id]; 716 if (!(targ->flags & MPS_TARGET_FLAGS_RAID_COMPONENT)) { 717 if (mpssas_check_id(sassc, id) != 0) { 718 device_printf(sc->mps_dev, "Excluding target id %d\n", 719 id); 720 error = ENXIO; 721 goto out; 722 } 723 724 if (targ->handle != 0x0) { 725 mps_dprint(sc, MPS_MAPPING, "Attempting to reuse " 726 "target id %d handle 0x%04x\n", id, targ->handle); 727 error = ENXIO; 728 goto out; 729 } 730 } 731 732 mps_dprint(sc, MPS_MAPPING, "SAS Address from SAS device page0 = %jx\n", 733 sas_address); 734 targ->devinfo = device_info; 735 targ->devname = le32toh(config_page.DeviceName.High); 736 targ->devname = (targ->devname << 32) | 737 le32toh(config_page.DeviceName.Low); 738 targ->encl_handle = le16toh(config_page.EnclosureHandle); 739 targ->encl_slot = le16toh(config_page.Slot); 740 targ->handle = handle; 741 targ->parent_handle = le16toh(config_page.ParentDevHandle); 742 targ->sasaddr = mps_to_u64(&config_page.SASAddress); 743 targ->parent_sasaddr = le64toh(parent_sas_address); 744 targ->parent_devinfo = parent_devinfo; 745 targ->tid = id; 746 targ->linkrate = (linkrate>>4); 747 targ->flags = 0; 748 if (is_SATA_SSD) { 749 targ->flags = MPS_TARGET_IS_SATA_SSD; 750 } 751 TAILQ_INIT(&targ->commands); 752 TAILQ_INIT(&targ->timedout_commands); 753 while(!SLIST_EMPTY(&targ->luns)) { 754 lun = SLIST_FIRST(&targ->luns); 755 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 756 free(lun, M_MPT2); 757 } 758 SLIST_INIT(&targ->luns); 759 760 mps_describe_devinfo(targ->devinfo, devstring, 80); 761 mps_dprint(sc, MPS_MAPPING, "Found device <%s> <%s> <0x%04x> <%d/%d>\n", 762 devstring, mps_describe_table(mps_linkrate_names, targ->linkrate), 763 targ->handle, targ->encl_handle, targ->encl_slot); 764 765 #if __FreeBSD_version < 1000039 766 if ((sassc->flags & MPSSAS_IN_STARTUP) == 0) 767 #endif 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. 778 */ 779 for (i = 1; i < sc->num_reqs; i++) { 780 cm = &sc->commands[i]; 781 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) { 782 targ->timeouts++; 783 cm->cm_state = MPS_CM_STATE_TIMEDOUT; 784 785 if ((targ->tm = mpssas_alloc_tm(sc)) != NULL) { 786 mps_dprint(sc, MPS_INFO, "%s: sending Target " 787 "Reset for stuck SATA identify command " 788 "(cm = %p)\n", __func__, cm); 789 targ->tm->cm_targ = targ; 790 mpssas_send_reset(sc, targ->tm, 791 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET); 792 } else { 793 mps_dprint(sc, MPS_ERROR, "Failed to allocate " 794 "tm for Target Reset after SATA ID command " 795 "timed out (cm %p)\n", cm); 796 } 797 /* 798 * No need to check for more since the target is 799 * already being reset. 800 */ 801 break; 802 } 803 } 804 out: 805 /* 806 * Free the commands that may not have been freed from the SATA ID call 807 */ 808 for (i = 1; i < sc->num_reqs; i++) { 809 cm = &sc->commands[i]; 810 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) { 811 mps_free_command(sc, cm); 812 } 813 } 814 mpssas_startup_decrement(sassc); 815 return (error); 816 } 817 818 int 819 mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 820 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD) 821 { 822 Mpi2SataPassthroughReply_t mpi_reply; 823 int i, rc, try_count; 824 u32 *bufferptr; 825 union _sata_sas_address hash_address; 826 struct _ata_identify_device_data ata_identify; 827 u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN]; 828 u32 ioc_status; 829 u8 sas_status; 830 831 memset(&ata_identify, 0, sizeof(ata_identify)); 832 try_count = 0; 833 do { 834 rc = mpssas_get_sata_identify(sc, handle, &mpi_reply, 835 (char *)&ata_identify, sizeof(ata_identify), device_info); 836 try_count++; 837 ioc_status = le16toh(mpi_reply.IOCStatus) 838 & MPI2_IOCSTATUS_MASK; 839 sas_status = mpi_reply.SASStatus; 840 switch (ioc_status) { 841 case MPI2_IOCSTATUS_SUCCESS: 842 break; 843 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: 844 /* No sense sleeping. this error won't get better */ 845 break; 846 default: 847 if (sc->spinup_wait_time > 0) { 848 mps_dprint(sc, MPS_INFO, "Sleeping %d seconds " 849 "after SATA ID error to wait for spinup\n", 850 sc->spinup_wait_time); 851 msleep(&sc->msleep_fake_chan, &sc->mps_mtx, 0, 852 "mpsid", sc->spinup_wait_time * hz); 853 } 854 } 855 } while (((rc && (rc != EWOULDBLOCK)) || 856 (ioc_status && 857 (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR)) 858 || sas_status) && (try_count < 5)); 859 860 if (rc == 0 && !ioc_status && !sas_status) { 861 mps_dprint(sc, MPS_MAPPING, "%s: got SATA identify " 862 "successfully for handle = 0x%x with try_count = %d\n", 863 __func__, handle, try_count); 864 } else { 865 mps_dprint(sc, MPS_MAPPING, "%s: handle = 0x%x failed\n", 866 __func__, handle); 867 return -1; 868 } 869 /* Copy & byteswap the 40 byte model number to a buffer */ 870 for (i = 0; i < MPT2SAS_MN_LEN; i += 2) { 871 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1]; 872 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i]; 873 } 874 /* Copy & byteswap the 20 byte serial number to a buffer */ 875 for (i = 0; i < MPT2SAS_SN_LEN; i += 2) { 876 buffer[MPT2SAS_MN_LEN + i] = 877 ((u8 *)ata_identify.serial_number)[i + 1]; 878 buffer[MPT2SAS_MN_LEN + i + 1] = 879 ((u8 *)ata_identify.serial_number)[i]; 880 } 881 bufferptr = (u32 *)buffer; 882 /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8, 883 * so loop through the first 56 bytes (7*8), 884 * and then add in the last dword. 885 */ 886 hash_address.word.low = 0; 887 hash_address.word.high = 0; 888 for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) { 889 hash_address.word.low += *bufferptr; 890 bufferptr++; 891 hash_address.word.high += *bufferptr; 892 bufferptr++; 893 } 894 /* Add the last dword */ 895 hash_address.word.low += *bufferptr; 896 /* Make sure the hash doesn't start with 5, because it could clash 897 * with a SAS address. Change 5 to a D. 898 */ 899 if ((hash_address.word.high & 0x000000F0) == (0x00000050)) 900 hash_address.word.high |= 0x00000080; 901 *sas_address = (u64)hash_address.wwid[0] << 56 | 902 (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 | 903 (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 | 904 (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] << 8 | 905 (u64)hash_address.wwid[7]; 906 if (ata_identify.rotational_speed == 1) { 907 *is_SATA_SSD = 1; 908 } 909 910 return 0; 911 } 912 913 static int 914 mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, 915 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo) 916 { 917 Mpi2SataPassthroughRequest_t *mpi_request; 918 Mpi2SataPassthroughReply_t *reply = NULL; 919 struct mps_command *cm; 920 char *buffer; 921 int error = 0; 922 923 buffer = malloc( sz, M_MPT2, M_NOWAIT | M_ZERO); 924 if (!buffer) 925 return ENOMEM; 926 927 if ((cm = mps_alloc_command(sc)) == NULL) { 928 free(buffer, M_MPT2); 929 return (EBUSY); 930 } 931 mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req; 932 bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST)); 933 mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH; 934 mpi_request->VF_ID = 0; 935 mpi_request->DevHandle = htole16(handle); 936 mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO | 937 MPI2_SATA_PT_REQ_PT_FLAGS_READ); 938 mpi_request->DataLength = htole32(sz); 939 mpi_request->CommandFIS[0] = 0x27; 940 mpi_request->CommandFIS[1] = 0x80; 941 mpi_request->CommandFIS[2] = (devinfo & 942 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC; 943 cm->cm_sge = &mpi_request->SGL; 944 cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION); 945 cm->cm_flags = MPS_CM_FLAGS_SGE_SIMPLE | MPS_CM_FLAGS_DATAIN; 946 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 947 cm->cm_data = buffer; 948 cm->cm_length = htole32(sz); 949 950 /* 951 * Start a timeout counter specifically for the SATA ID command. This 952 * is used to fix a problem where the FW does not send a reply sometimes 953 * when a bad disk is in the topology. So, this is used to timeout the 954 * command so that processing can continue normally. 955 */ 956 mps_dprint(sc, MPS_XINFO, "%s start timeout counter for SATA ID " 957 "command\n", __func__); 958 callout_reset(&cm->cm_callout, MPS_ATA_ID_TIMEOUT * hz, 959 mpssas_ata_id_timeout, cm); 960 error = mps_wait_command(sc, &cm, 60, CAN_SLEEP); 961 mps_dprint(sc, MPS_XINFO, "%s stop timeout counter for SATA ID " 962 "command\n", __func__); 963 /* XXX KDM need to fix the case where this command is destroyed */ 964 callout_stop(&cm->cm_callout); 965 966 if (cm != NULL) 967 reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply; 968 if (error || (reply == NULL)) { 969 /* FIXME */ 970 /* 971 * If the request returns an error then we need to do a diag 972 * reset 973 */ 974 printf("%s: request for page completed with error %d", 975 __func__, error); 976 error = ENXIO; 977 goto out; 978 } 979 bcopy(buffer, id_buffer, sz); 980 bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t)); 981 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) != 982 MPI2_IOCSTATUS_SUCCESS) { 983 printf("%s: error reading SATA PASSTHRU; iocstatus = 0x%x\n", 984 __func__, reply->IOCStatus); 985 error = ENXIO; 986 goto out; 987 } 988 out: 989 /* 990 * If the SATA_ID_TIMEOUT flag has been set for this command, don't free 991 * it. The command will be freed after sending a target reset TM. If 992 * the command did timeout, use EWOULDBLOCK. 993 */ 994 if ((cm != NULL) 995 && (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) == 0) 996 mps_free_command(sc, cm); 997 else if (error == 0) 998 error = EWOULDBLOCK; 999 free(buffer, M_MPT2); 1000 return (error); 1001 } 1002 1003 static void 1004 mpssas_ata_id_timeout(void *data) 1005 { 1006 struct mps_softc *sc; 1007 struct mps_command *cm; 1008 1009 cm = (struct mps_command *)data; 1010 sc = cm->cm_sc; 1011 mtx_assert(&sc->mps_mtx, MA_OWNED); 1012 1013 mps_dprint(sc, MPS_INFO, "%s checking ATA ID command %p sc %p\n", 1014 __func__, cm, sc); 1015 if ((callout_pending(&cm->cm_callout)) || 1016 (!callout_active(&cm->cm_callout))) { 1017 mps_dprint(sc, MPS_INFO, "%s ATA ID command almost timed out\n", 1018 __func__); 1019 return; 1020 } 1021 callout_deactivate(&cm->cm_callout); 1022 1023 /* 1024 * Run the interrupt handler to make sure it's not pending. This 1025 * isn't perfect because the command could have already completed 1026 * and been re-used, though this is unlikely. 1027 */ 1028 mps_intr_locked(sc); 1029 if (cm->cm_state == MPS_CM_STATE_FREE) { 1030 mps_dprint(sc, MPS_INFO, "%s ATA ID command almost timed out\n", 1031 __func__); 1032 return; 1033 } 1034 1035 mps_dprint(sc, MPS_INFO, "ATA ID command timeout cm %p\n", cm); 1036 1037 /* 1038 * Send wakeup() to the sleeping thread that issued this ATA ID command. 1039 * wakeup() will cause msleep to return a 0 (not EWOULDBLOCK), and this 1040 * will keep reinit() from being called. This way, an Abort Task TM can 1041 * be issued so that the timed out command can be cleared. The Abort 1042 * Task cannot be sent from here because the driver has not completed 1043 * setting up targets. Instead, the command is flagged so that special 1044 * handling will be used to send the abort. 1045 */ 1046 cm->cm_flags |= MPS_CM_FLAGS_SATA_ID_TIMEOUT; 1047 wakeup(cm); 1048 } 1049 1050 static int 1051 mpssas_volume_add(struct mps_softc *sc, u16 handle) 1052 { 1053 struct mpssas_softc *sassc; 1054 struct mpssas_target *targ; 1055 u64 wwid; 1056 unsigned int id; 1057 int error = 0; 1058 struct mpssas_lun *lun; 1059 1060 sassc = sc->sassc; 1061 mpssas_startup_increment(sassc); 1062 /* wwid is endian safe */ 1063 mps_config_get_volume_wwid(sc, handle, &wwid); 1064 if (!wwid) { 1065 printf("%s: invalid WWID; cannot add volume to mapping table\n", 1066 __func__); 1067 error = ENXIO; 1068 goto out; 1069 } 1070 1071 id = mps_mapping_get_raid_tid(sc, wwid, handle); 1072 if (id == MPS_MAP_BAD_ID) { 1073 printf("%s: could not get ID for volume with handle 0x%04x and " 1074 "WWID 0x%016llx\n", __func__, handle, 1075 (unsigned long long)wwid); 1076 error = ENXIO; 1077 goto out; 1078 } 1079 1080 targ = &sassc->targets[id]; 1081 targ->tid = id; 1082 targ->handle = handle; 1083 targ->devname = wwid; 1084 TAILQ_INIT(&targ->commands); 1085 TAILQ_INIT(&targ->timedout_commands); 1086 while(!SLIST_EMPTY(&targ->luns)) { 1087 lun = SLIST_FIRST(&targ->luns); 1088 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 1089 free(lun, M_MPT2); 1090 } 1091 SLIST_INIT(&targ->luns); 1092 #if __FreeBSD_version < 1000039 1093 if ((sassc->flags & MPSSAS_IN_STARTUP) == 0) 1094 #endif 1095 mpssas_rescan_target(sc, targ); 1096 mps_dprint(sc, MPS_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n", 1097 targ->tid, wwid); 1098 out: 1099 mpssas_startup_decrement(sassc); 1100 return (error); 1101 } 1102 1103 /** 1104 * mpssas_SSU_to_SATA_devices 1105 * @sc: per adapter object 1106 * 1107 * Looks through the target list and issues a StartStopUnit SCSI command to each 1108 * SATA direct-access device. This helps to ensure that data corruption is 1109 * avoided when the system is being shut down. This must be called after the IR 1110 * System Shutdown RAID Action is sent if in IR mode. 1111 * 1112 * Return nothing. 1113 */ 1114 static void 1115 mpssas_SSU_to_SATA_devices(struct mps_softc *sc) 1116 { 1117 struct mpssas_softc *sassc = sc->sassc; 1118 union ccb *ccb; 1119 path_id_t pathid = cam_sim_path(sassc->sim); 1120 target_id_t targetid; 1121 struct mpssas_target *target; 1122 char path_str[64]; 1123 struct timeval cur_time, start_time; 1124 1125 /* 1126 * For each target, issue a StartStopUnit command to stop the device. 1127 */ 1128 sc->SSU_started = TRUE; 1129 sc->SSU_refcount = 0; 1130 for (targetid = 0; targetid < sc->max_devices; targetid++) { 1131 target = &sassc->targets[targetid]; 1132 if (target->handle == 0x0) { 1133 continue; 1134 } 1135 1136 ccb = xpt_alloc_ccb_nowait(); 1137 if (ccb == NULL) { 1138 mps_dprint(sc, MPS_FAULT, "Unable to alloc CCB to stop " 1139 "unit.\n"); 1140 return; 1141 } 1142 1143 /* 1144 * The stop_at_shutdown flag will be set if this device is 1145 * a SATA direct-access end device. 1146 */ 1147 if (target->stop_at_shutdown) { 1148 if (xpt_create_path(&ccb->ccb_h.path, 1149 xpt_periph, pathid, targetid, 1150 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1151 mps_dprint(sc, MPS_FAULT, "Unable to create " 1152 "LUN path to stop unit.\n"); 1153 xpt_free_ccb(ccb); 1154 return; 1155 } 1156 xpt_path_string(ccb->ccb_h.path, path_str, 1157 sizeof(path_str)); 1158 1159 mps_dprint(sc, MPS_INFO, "Sending StopUnit: path %s " 1160 "handle %d\n", path_str, target->handle); 1161 1162 /* 1163 * Issue a START STOP UNIT command for the target. 1164 * Increment the SSU counter to be used to count the 1165 * number of required replies. 1166 */ 1167 mps_dprint(sc, MPS_INFO, "Incrementing SSU count\n"); 1168 sc->SSU_refcount++; 1169 ccb->ccb_h.target_id = 1170 xpt_path_target_id(ccb->ccb_h.path); 1171 ccb->ccb_h.ppriv_ptr1 = sassc; 1172 scsi_start_stop(&ccb->csio, 1173 /*retries*/0, 1174 mpssas_stop_unit_done, 1175 MSG_SIMPLE_Q_TAG, 1176 /*start*/FALSE, 1177 /*load/eject*/0, 1178 /*immediate*/FALSE, 1179 MPS_SENSE_LEN, 1180 /*timeout*/10000); 1181 xpt_action(ccb); 1182 } 1183 } 1184 1185 /* 1186 * Wait until all of the SSU commands have completed or time has 1187 * expired (60 seconds). Pause for 100ms each time through. If any 1188 * command times out, the target will be reset in the SCSI command 1189 * timeout routine. 1190 */ 1191 getmicrotime(&start_time); 1192 while (sc->SSU_refcount) { 1193 pause("mpswait", hz/10); 1194 1195 getmicrotime(&cur_time); 1196 if ((cur_time.tv_sec - start_time.tv_sec) > 60) { 1197 mps_dprint(sc, MPS_FAULT, "Time has expired waiting " 1198 "for SSU commands to complete.\n"); 1199 break; 1200 } 1201 } 1202 } 1203 1204 static void 1205 mpssas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb) 1206 { 1207 struct mpssas_softc *sassc; 1208 char path_str[64]; 1209 1210 if (done_ccb == NULL) 1211 return; 1212 1213 sassc = (struct mpssas_softc *)done_ccb->ccb_h.ppriv_ptr1; 1214 1215 xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str)); 1216 mps_dprint(sassc->sc, MPS_INFO, "Completing stop unit for %s\n", 1217 path_str); 1218 1219 /* 1220 * Nothing more to do except free the CCB and path. If the command 1221 * timed out, an abort reset, then target reset will be issued during 1222 * the SCSI Command process. 1223 */ 1224 xpt_free_path(done_ccb->ccb_h.path); 1225 xpt_free_ccb(done_ccb); 1226 } 1227 1228 /** 1229 * mpssas_ir_shutdown - IR shutdown notification 1230 * @sc: per adapter object 1231 * 1232 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that 1233 * the host system is shutting down. 1234 * 1235 * Return nothing. 1236 */ 1237 void 1238 mpssas_ir_shutdown(struct mps_softc *sc) 1239 { 1240 u16 volume_mapping_flags; 1241 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1242 struct dev_mapping_table *mt_entry; 1243 u32 start_idx, end_idx; 1244 unsigned int id, found_volume = 0; 1245 struct mps_command *cm; 1246 Mpi2RaidActionRequest_t *action; 1247 target_id_t targetid; 1248 struct mpssas_target *target; 1249 1250 mps_dprint(sc, MPS_TRACE, "%s\n", __func__); 1251 1252 /* is IR firmware build loaded? */ 1253 if (!sc->ir_firmware) 1254 goto out; 1255 1256 /* are there any volumes? Look at IR target IDs. */ 1257 // TODO-later, this should be looked up in the RAID config structure 1258 // when it is implemented. 1259 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) & 1260 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; 1261 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) { 1262 start_idx = 0; 1263 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0) 1264 start_idx = 1; 1265 } else 1266 start_idx = sc->max_devices - sc->max_volumes; 1267 end_idx = start_idx + sc->max_volumes - 1; 1268 1269 for (id = start_idx; id < end_idx; id++) { 1270 mt_entry = &sc->mapping_table[id]; 1271 if ((mt_entry->physical_id != 0) && 1272 (mt_entry->missing_count == 0)) { 1273 found_volume = 1; 1274 break; 1275 } 1276 } 1277 1278 if (!found_volume) 1279 goto out; 1280 1281 if ((cm = mps_alloc_command(sc)) == NULL) { 1282 printf("%s: command alloc failed\n", __func__); 1283 goto out; 1284 } 1285 1286 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req; 1287 action->Function = MPI2_FUNCTION_RAID_ACTION; 1288 action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; 1289 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 1290 mps_lock(sc); 1291 mps_wait_command(sc, &cm, 5, CAN_SLEEP); 1292 mps_unlock(sc); 1293 1294 /* 1295 * Don't check for reply, just leave. 1296 */ 1297 if (cm) 1298 mps_free_command(sc, cm); 1299 1300 out: 1301 /* 1302 * All of the targets must have the correct value set for 1303 * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable. 1304 * 1305 * The possible values for the 'enable_ssu' variable are: 1306 * 0: disable to SSD and HDD 1307 * 1: disable only to HDD (default) 1308 * 2: disable only to SSD 1309 * 3: enable to SSD and HDD 1310 * anything else will default to 1. 1311 */ 1312 for (targetid = 0; targetid < sc->max_devices; targetid++) { 1313 target = &sc->sassc->targets[targetid]; 1314 if (target->handle == 0x0) { 1315 continue; 1316 } 1317 1318 if (target->supports_SSU) { 1319 switch (sc->enable_ssu) { 1320 case MPS_SSU_DISABLE_SSD_DISABLE_HDD: 1321 target->stop_at_shutdown = FALSE; 1322 break; 1323 case MPS_SSU_DISABLE_SSD_ENABLE_HDD: 1324 target->stop_at_shutdown = TRUE; 1325 if (target->flags & MPS_TARGET_IS_SATA_SSD) { 1326 target->stop_at_shutdown = FALSE; 1327 } 1328 break; 1329 case MPS_SSU_ENABLE_SSD_ENABLE_HDD: 1330 target->stop_at_shutdown = TRUE; 1331 break; 1332 case MPS_SSU_ENABLE_SSD_DISABLE_HDD: 1333 default: 1334 target->stop_at_shutdown = TRUE; 1335 if ((target->flags & 1336 MPS_TARGET_IS_SATA_SSD) == 0) { 1337 target->stop_at_shutdown = FALSE; 1338 } 1339 break; 1340 } 1341 } 1342 } 1343 mpssas_SSU_to_SATA_devices(sc); 1344 } 1345