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_print_evt_sas(sc, 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), phy->LinkRate)){ 221 printf("%s: failed to add device with " 222 "handle 0x%x\n", __func__, 223 le16toh(phy->AttachedDevHandle)); 224 mpssas_prepare_remove(sassc, le16toh( 225 phy->AttachedDevHandle)); 226 } 227 break; 228 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: 229 mpssas_prepare_remove(sassc,le16toh( 230 phy->AttachedDevHandle)); 231 break; 232 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: 233 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: 234 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: 235 default: 236 break; 237 } 238 } 239 /* 240 * refcount was incremented for this event in 241 * mpssas_evt_handler. Decrement it here because the event has 242 * been processed. 243 */ 244 mpssas_startup_decrement(sassc); 245 break; 246 } 247 case MPI2_EVENT_SAS_DISCOVERY: 248 { 249 MPI2_EVENT_DATA_SAS_DISCOVERY *data; 250 251 data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data; 252 253 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED) 254 mps_dprint(sc, MPS_TRACE,"SAS discovery start event\n"); 255 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) { 256 mps_dprint(sc, MPS_TRACE,"SAS discovery stop event\n"); 257 sassc->flags &= ~MPSSAS_IN_DISCOVERY; 258 mpssas_discovery_end(sassc); 259 } 260 break; 261 } 262 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: 263 { 264 Mpi2EventDataSasEnclDevStatusChange_t *data; 265 data = (Mpi2EventDataSasEnclDevStatusChange_t *) 266 fw_event->event_data; 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_id_from_handle 287 (sc, 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, le16toh(element->VolDevHandle))){ 297 printf("%s: failed to add RAID " 298 "volume with handle 0x%x\n", 299 __func__, le16toh(element-> 300 VolDevHandle)); 301 } 302 } 303 break; 304 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: 305 case MPI2_EVENT_IR_CHANGE_RC_REMOVED: 306 /* 307 * Rescan after volume is deleted or removed. 308 */ 309 if (!foreign_config) { 310 if (id == MPS_MAP_BAD_ID) { 311 printf("%s: could not get ID " 312 "for volume with handle " 313 "0x%04x\n", __func__, 314 le16toh(element->VolDevHandle)); 315 break; 316 } 317 318 targ = &sassc->targets[id]; 319 targ->handle = 0x0; 320 targ->encl_slot = 0x0; 321 targ->encl_handle = 0x0; 322 targ->exp_dev_handle = 0x0; 323 targ->phy_num = 0x0; 324 targ->linkrate = 0x0; 325 mpssas_rescan_target(sc, targ); 326 printf("RAID target id 0x%x removed\n", 327 targ->tid); 328 } 329 break; 330 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: 331 case MPI2_EVENT_IR_CHANGE_RC_HIDE: 332 /* 333 * Phys Disk of a volume has been created. Hide 334 * it from the OS. 335 */ 336 targ = mpssas_find_target_by_handle(sassc, 0, element->PhysDiskDevHandle); 337 if (targ == NULL) 338 break; 339 340 /* Set raid component flags only if it is not WD. 341 * OR WrapDrive with WD_HIDE_ALWAYS/WD_HIDE_IF_VOLUME is set in NVRAM 342 */ 343 if((!sc->WD_available) || 344 ((sc->WD_available && 345 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) || 346 (sc->WD_valid_config && (sc->WD_hide_expose == 347 MPS_WD_HIDE_IF_VOLUME)))) { 348 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 349 } 350 mpssas_rescan_target(sc, targ); 351 352 break; 353 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: 354 /* 355 * Phys Disk of a volume has been deleted. 356 * Expose it to the OS. 357 */ 358 if (mpssas_add_device(sc, 359 le16toh(element->PhysDiskDevHandle), 0)){ 360 printf("%s: failed to add device with " 361 "handle 0x%x\n", __func__, 362 le16toh(element->PhysDiskDevHandle)); 363 mpssas_prepare_remove(sassc, le16toh(element-> 364 PhysDiskDevHandle)); 365 } 366 break; 367 } 368 } 369 /* 370 * refcount was incremented for this event in 371 * mpssas_evt_handler. Decrement it here because the event has 372 * been processed. 373 */ 374 mpssas_startup_decrement(sassc); 375 break; 376 } 377 case MPI2_EVENT_IR_VOLUME: 378 { 379 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data; 380 381 /* 382 * Informational only. 383 */ 384 mps_dprint(sc, MPS_EVENT, "Received IR Volume event:\n"); 385 switch (event_data->ReasonCode) { 386 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED: 387 mps_dprint(sc, MPS_EVENT, " Volume Settings " 388 "changed from 0x%x to 0x%x for Volome with " 389 "handle 0x%x", le32toh(event_data->PreviousValue), 390 le32toh(event_data->NewValue), 391 le16toh(event_data->VolDevHandle)); 392 break; 393 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED: 394 mps_dprint(sc, MPS_EVENT, " Volume Status " 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_STATE_CHANGED: 401 mps_dprint(sc, MPS_EVENT, " Volume State " 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 u32 state; 407 struct mpssas_target *targ; 408 state = le32toh(event_data->NewValue); 409 switch (state) { 410 case MPI2_RAID_VOL_STATE_MISSING: 411 case MPI2_RAID_VOL_STATE_FAILED: 412 mpssas_prepare_volume_remove(sassc, event_data-> 413 VolDevHandle); 414 break; 415 416 case MPI2_RAID_VOL_STATE_ONLINE: 417 case MPI2_RAID_VOL_STATE_DEGRADED: 418 case MPI2_RAID_VOL_STATE_OPTIMAL: 419 targ = mpssas_find_target_by_handle(sassc, 0, event_data->VolDevHandle); 420 if (targ) { 421 printf("%s %d: Volume handle 0x%x is already added \n", 422 __func__, __LINE__ , event_data->VolDevHandle); 423 break; 424 } 425 if (mpssas_volume_add(sc, le16toh(event_data->VolDevHandle))) { 426 printf("%s: failed to add RAID " 427 "volume with handle 0x%x\n", 428 __func__, le16toh(event_data-> 429 VolDevHandle)); 430 } 431 break; 432 default: 433 break; 434 } 435 break; 436 default: 437 break; 438 } 439 break; 440 } 441 case MPI2_EVENT_IR_PHYSICAL_DISK: 442 { 443 Mpi2EventDataIrPhysicalDisk_t *event_data = 444 fw_event->event_data; 445 struct mpssas_target *targ; 446 447 /* 448 * Informational only. 449 */ 450 mps_dprint(sc, MPS_EVENT, "Received IR Phys Disk event:\n"); 451 switch (event_data->ReasonCode) { 452 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED: 453 mps_dprint(sc, MPS_EVENT, " Phys Disk Settings " 454 "changed from 0x%x to 0x%x for Phys Disk Number " 455 "%d and handle 0x%x at Enclosure handle 0x%x, Slot " 456 "%d", le32toh(event_data->PreviousValue), 457 le32toh(event_data->NewValue), 458 event_data->PhysDiskNum, 459 le16toh(event_data->PhysDiskDevHandle), 460 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 461 break; 462 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED: 463 mps_dprint(sc, MPS_EVENT, " Phys Disk Status changed " 464 "from 0x%x to 0x%x for Phys Disk Number %d and " 465 "handle 0x%x at Enclosure handle 0x%x, Slot %d", 466 le32toh(event_data->PreviousValue), 467 le32toh(event_data->NewValue), event_data->PhysDiskNum, 468 le16toh(event_data->PhysDiskDevHandle), 469 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 470 break; 471 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED: 472 mps_dprint(sc, MPS_EVENT, " Phys Disk State changed " 473 "from 0x%x to 0x%x for Phys Disk Number %d and " 474 "handle 0x%x at Enclosure handle 0x%x, Slot %d", 475 le32toh(event_data->PreviousValue), 476 le32toh(event_data->NewValue), event_data->PhysDiskNum, 477 le16toh(event_data->PhysDiskDevHandle), 478 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 479 switch (event_data->NewValue) { 480 case MPI2_RAID_PD_STATE_ONLINE: 481 case MPI2_RAID_PD_STATE_DEGRADED: 482 case MPI2_RAID_PD_STATE_REBUILDING: 483 case MPI2_RAID_PD_STATE_OPTIMAL: 484 case MPI2_RAID_PD_STATE_HOT_SPARE: 485 targ = mpssas_find_target_by_handle(sassc, 0, 486 event_data->PhysDiskDevHandle); 487 if (targ) { 488 if(!sc->WD_available) { 489 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 490 printf("%s %d: Found Target for handle 0x%x. \n", 491 __func__, __LINE__ , event_data->PhysDiskDevHandle); 492 } else if ((sc->WD_available && 493 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) || 494 (sc->WD_valid_config && (sc->WD_hide_expose == 495 MPS_WD_HIDE_IF_VOLUME))) { 496 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 497 printf("%s %d: WD: Found Target for handle 0x%x. \n", 498 __func__, __LINE__ , event_data->PhysDiskDevHandle); 499 } 500 } 501 break; 502 case MPI2_RAID_PD_STATE_OFFLINE: 503 case MPI2_RAID_PD_STATE_NOT_CONFIGURED: 504 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: 505 default: 506 targ = mpssas_find_target_by_handle(sassc, 0, 507 event_data->PhysDiskDevHandle); 508 if (targ) { 509 targ->flags |= ~MPS_TARGET_FLAGS_RAID_COMPONENT; 510 printf("%s %d: Found Target for handle 0x%x. \n", 511 __func__, __LINE__ , event_data->PhysDiskDevHandle); 512 } 513 break; 514 } 515 default: 516 break; 517 } 518 break; 519 } 520 case MPI2_EVENT_IR_OPERATION_STATUS: 521 { 522 Mpi2EventDataIrOperationStatus_t *event_data = 523 fw_event->event_data; 524 525 /* 526 * Informational only. 527 */ 528 mps_dprint(sc, MPS_EVENT, "Received IR Op Status event:\n"); 529 mps_dprint(sc, MPS_EVENT, " RAID Operation of %d is %d " 530 "percent complete for Volume with handle 0x%x", 531 event_data->RAIDOperation, event_data->PercentComplete, 532 le16toh(event_data->VolDevHandle)); 533 break; 534 } 535 case MPI2_EVENT_LOG_ENTRY_ADDED: 536 { 537 pMpi2EventDataLogEntryAdded_t logEntry; 538 uint16_t logQualifier; 539 uint8_t logCode; 540 541 logEntry = (pMpi2EventDataLogEntryAdded_t)fw_event->event_data; 542 logQualifier = logEntry->LogEntryQualifier; 543 544 if (logQualifier == MPI2_WD_LOG_ENTRY) { 545 logCode = logEntry->LogData[0]; 546 547 switch (logCode) { 548 case MPI2_WD_SSD_THROTTLING: 549 printf("WarpDrive Warning: IO Throttling has " 550 "occurred in the WarpDrive subsystem. " 551 "Check WarpDrive documentation for " 552 "additional details\n"); 553 break; 554 case MPI2_WD_DRIVE_LIFE_WARN: 555 printf("WarpDrive Warning: Program/Erase " 556 "Cycles for the WarpDrive subsystem in " 557 "degraded range. Check WarpDrive " 558 "documentation for additional details\n"); 559 break; 560 case MPI2_WD_DRIVE_LIFE_DEAD: 561 printf("WarpDrive Fatal Error: There are no " 562 "Program/Erase Cycles for the WarpDrive " 563 "subsystem. The storage device will be in " 564 "read-only mode. Check WarpDrive " 565 "documentation for additional details\n"); 566 break; 567 case MPI2_WD_RAIL_MON_FAIL: 568 printf("WarpDrive Fatal Error: The Backup Rail " 569 "Monitor has failed on the WarpDrive " 570 "subsystem. Check WarpDrive documentation " 571 "for additional details\n"); 572 break; 573 default: 574 break; 575 } 576 } 577 break; 578 } 579 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: 580 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: 581 default: 582 mps_dprint(sc, MPS_TRACE,"Unhandled event 0x%0X\n", 583 fw_event->event); 584 break; 585 586 } 587 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Event Free: [%x]\n",event_count,__func__, fw_event->event); 588 mpssas_fw_event_free(sc, fw_event); 589 } 590 591 void 592 mpssas_firmware_event_work(void *arg, int pending) 593 { 594 struct mps_fw_event_work *fw_event; 595 struct mps_softc *sc; 596 597 sc = (struct mps_softc *)arg; 598 mps_lock(sc); 599 while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) { 600 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link); 601 mpssas_fw_work(sc, fw_event); 602 } 603 mps_unlock(sc); 604 } 605 606 static int 607 mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate){ 608 char devstring[80]; 609 struct mpssas_softc *sassc; 610 struct mpssas_target *targ; 611 Mpi2ConfigReply_t mpi_reply; 612 Mpi2SasDevicePage0_t config_page; 613 uint64_t sas_address; 614 uint64_t parent_sas_address = 0; 615 u32 device_info, parent_devinfo = 0; 616 unsigned int id; 617 int ret = 1, error = 0, i; 618 struct mpssas_lun *lun; 619 u8 is_SATA_SSD = 0; 620 struct mps_command *cm; 621 622 sassc = sc->sassc; 623 mpssas_startup_increment(sassc); 624 if ((mps_config_get_sas_device_pg0(sc, &mpi_reply, &config_page, 625 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { 626 printf("%s: error reading SAS device page0\n", __func__); 627 error = ENXIO; 628 goto out; 629 } 630 631 device_info = le32toh(config_page.DeviceInfo); 632 633 if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) 634 && (le16toh(config_page.ParentDevHandle) != 0)) { 635 Mpi2ConfigReply_t tmp_mpi_reply; 636 Mpi2SasDevicePage0_t parent_config_page; 637 638 if ((mps_config_get_sas_device_pg0(sc, &tmp_mpi_reply, 639 &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, 640 le16toh(config_page.ParentDevHandle)))) { 641 printf("%s: error reading SAS device %#x page0\n", 642 __func__, le16toh(config_page.ParentDevHandle)); 643 } else { 644 parent_sas_address = parent_config_page.SASAddress.High; 645 parent_sas_address = (parent_sas_address << 32) | 646 parent_config_page.SASAddress.Low; 647 parent_devinfo = le32toh(parent_config_page.DeviceInfo); 648 } 649 } 650 /* TODO Check proper endianness */ 651 sas_address = config_page.SASAddress.High; 652 sas_address = (sas_address << 32) | config_page.SASAddress.Low; 653 654 /* 655 * Always get SATA Identify information because this is used to 656 * determine if Start/Stop Unit should be sent to the drive when the 657 * system is shutdown. 658 */ 659 if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) { 660 ret = mpssas_get_sas_address_for_sata_disk(sc, &sas_address, 661 handle, device_info, &is_SATA_SSD); 662 if (ret) { 663 mps_dprint(sc, MPS_INFO, "%s: failed to get disk type " 664 "(SSD or HDD) for SATA device with handle 0x%04x\n", 665 __func__, handle); 666 } else { 667 mps_dprint(sc, MPS_INFO, "SAS Address from SATA " 668 "device = %jx\n", sas_address); 669 } 670 } 671 672 /* 673 * use_phynum: 674 * 1 - use the PhyNum field as a fallback to the mapping logic 675 * 0 - never use the PhyNum field 676 * -1 - only use the PhyNum field 677 */ 678 id = MPS_MAP_BAD_ID; 679 if (sc->use_phynum != -1) 680 id = mps_mapping_get_sas_id(sc, sas_address, handle); 681 if (id == MPS_MAP_BAD_ID) { 682 if ((sc->use_phynum == 0) 683 || ((id = config_page.PhyNum) > sassc->maxtargets)) { 684 mps_dprint(sc, MPS_INFO, "failure at %s:%d/%s()! " 685 "Could not get ID for device with handle 0x%04x\n", 686 __FILE__, __LINE__, __func__, handle); 687 error = ENXIO; 688 goto out; 689 } 690 } 691 692 if (mpssas_check_id(sassc, id) != 0) { 693 device_printf(sc->mps_dev, "Excluding target id %d\n", id); 694 error = ENXIO; 695 goto out; 696 } 697 698 targ = &sassc->targets[id]; 699 if (targ->handle != 0x0) { 700 mps_dprint(sc, MPS_MAPPING, "Attempting to reuse target id " 701 "%d handle 0x%04x\n", id, targ->handle); 702 error = ENXIO; 703 goto out; 704 } 705 706 mps_dprint(sc, MPS_MAPPING, "SAS Address from SAS device page0 = %jx\n", 707 sas_address); 708 targ->devinfo = device_info; 709 targ->devname = le32toh(config_page.DeviceName.High); 710 targ->devname = (targ->devname << 32) | 711 le32toh(config_page.DeviceName.Low); 712 targ->encl_handle = le16toh(config_page.EnclosureHandle); 713 targ->encl_slot = le16toh(config_page.Slot); 714 targ->handle = handle; 715 targ->parent_handle = le16toh(config_page.ParentDevHandle); 716 targ->sasaddr = mps_to_u64(&config_page.SASAddress); 717 targ->parent_sasaddr = le64toh(parent_sas_address); 718 targ->parent_devinfo = parent_devinfo; 719 targ->tid = id; 720 targ->linkrate = (linkrate>>4); 721 targ->flags = 0; 722 if (is_SATA_SSD) { 723 targ->flags = MPS_TARGET_IS_SATA_SSD; 724 } 725 TAILQ_INIT(&targ->commands); 726 TAILQ_INIT(&targ->timedout_commands); 727 while(!SLIST_EMPTY(&targ->luns)) { 728 lun = SLIST_FIRST(&targ->luns); 729 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 730 free(lun, M_MPT2); 731 } 732 SLIST_INIT(&targ->luns); 733 734 mps_describe_devinfo(targ->devinfo, devstring, 80); 735 mps_dprint(sc, MPS_MAPPING, "Found device <%s> <%s> <0x%04x> <%d/%d>\n", 736 devstring, mps_describe_table(mps_linkrate_names, targ->linkrate), 737 targ->handle, targ->encl_handle, targ->encl_slot); 738 739 #if __FreeBSD_version < 1000039 740 if ((sassc->flags & MPSSAS_IN_STARTUP) == 0) 741 #endif 742 mpssas_rescan_target(sc, targ); 743 mps_dprint(sc, MPS_MAPPING, "Target id 0x%x added\n", targ->tid); 744 745 /* 746 * Check all commands to see if the SATA_ID_TIMEOUT flag has been set. 747 * If so, send a Target Reset TM to the target that was just created. 748 * An Abort Task TM should be used instead of a Target Reset, but that 749 * would be much more difficult because targets have not been fully 750 * discovered yet, and LUN's haven't been setup. So, just reset the 751 * target instead of the LUN. 752 */ 753 for (i = 1; i < sc->num_reqs; i++) { 754 cm = &sc->commands[i]; 755 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) { 756 targ->timeouts++; 757 cm->cm_state = MPS_CM_STATE_TIMEDOUT; 758 759 if ((targ->tm = mpssas_alloc_tm(sc)) != NULL) { 760 mps_dprint(sc, MPS_INFO, "%s: sending Target " 761 "Reset for stuck SATA identify command " 762 "(cm = %p)\n", __func__, cm); 763 targ->tm->cm_targ = targ; 764 mpssas_send_reset(sc, targ->tm, 765 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET); 766 } else { 767 mps_dprint(sc, MPS_ERROR, "Failed to allocate " 768 "tm for Target Reset after SATA ID command " 769 "timed out (cm %p)\n", cm); 770 } 771 /* 772 * No need to check for more since the target is 773 * already being reset. 774 */ 775 break; 776 } 777 } 778 out: 779 /* 780 * Free the commands that may not have been freed from the SATA ID call 781 */ 782 for (i = 1; i < sc->num_reqs; i++) { 783 cm = &sc->commands[i]; 784 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) { 785 mps_free_command(sc, cm); 786 } 787 } 788 mpssas_startup_decrement(sassc); 789 return (error); 790 791 } 792 793 int 794 mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 795 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD) 796 { 797 Mpi2SataPassthroughReply_t mpi_reply; 798 int i, rc, try_count; 799 u32 *bufferptr; 800 union _sata_sas_address hash_address; 801 struct _ata_identify_device_data ata_identify; 802 u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN]; 803 u32 ioc_status; 804 u8 sas_status; 805 806 memset(&ata_identify, 0, sizeof(ata_identify)); 807 try_count = 0; 808 do { 809 rc = mpssas_get_sata_identify(sc, handle, &mpi_reply, 810 (char *)&ata_identify, sizeof(ata_identify), device_info); 811 try_count++; 812 ioc_status = le16toh(mpi_reply.IOCStatus) 813 & MPI2_IOCSTATUS_MASK; 814 sas_status = mpi_reply.SASStatus; 815 switch (ioc_status) { 816 case MPI2_IOCSTATUS_SUCCESS: 817 break; 818 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: 819 /* No sense sleeping. this error won't get better */ 820 break; 821 default: 822 if (sc->spinup_wait_time > 0) { 823 mps_dprint(sc, MPS_INFO, "Sleeping %d seconds " 824 "after SATA ID error to wait for spinup\n", 825 sc->spinup_wait_time); 826 msleep(&sc->msleep_fake_chan, &sc->mps_mtx, 0, 827 "mpsid", sc->spinup_wait_time * hz); 828 } 829 } 830 } while (((rc && (rc != EWOULDBLOCK)) || 831 (ioc_status && 832 (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR)) 833 || sas_status) && (try_count < 5)); 834 835 if (rc == 0 && !ioc_status && !sas_status) { 836 mps_dprint(sc, MPS_MAPPING, "%s: got SATA identify " 837 "successfully for handle = 0x%x with try_count = %d\n", 838 __func__, handle, try_count); 839 } else { 840 mps_dprint(sc, MPS_MAPPING, "%s: handle = 0x%x failed\n", 841 __func__, handle); 842 return -1; 843 } 844 /* Copy & byteswap the 40 byte model number to a buffer */ 845 for (i = 0; i < MPT2SAS_MN_LEN; i += 2) { 846 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1]; 847 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i]; 848 } 849 /* Copy & byteswap the 20 byte serial number to a buffer */ 850 for (i = 0; i < MPT2SAS_SN_LEN; i += 2) { 851 buffer[MPT2SAS_MN_LEN + i] = 852 ((u8 *)ata_identify.serial_number)[i + 1]; 853 buffer[MPT2SAS_MN_LEN + i + 1] = 854 ((u8 *)ata_identify.serial_number)[i]; 855 } 856 bufferptr = (u32 *)buffer; 857 /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8, 858 * so loop through the first 56 bytes (7*8), 859 * and then add in the last dword. 860 */ 861 hash_address.word.low = 0; 862 hash_address.word.high = 0; 863 for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) { 864 hash_address.word.low += *bufferptr; 865 bufferptr++; 866 hash_address.word.high += *bufferptr; 867 bufferptr++; 868 } 869 /* Add the last dword */ 870 hash_address.word.low += *bufferptr; 871 /* Make sure the hash doesn't start with 5, because it could clash 872 * with a SAS address. Change 5 to a D. 873 */ 874 if ((hash_address.word.high & 0x000000F0) == (0x00000050)) 875 hash_address.word.high |= 0x00000080; 876 *sas_address = (u64)hash_address.wwid[0] << 56 | 877 (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 | 878 (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 | 879 (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] << 8 | 880 (u64)hash_address.wwid[7]; 881 if (ata_identify.rotational_speed == 1) { 882 *is_SATA_SSD = 1; 883 } 884 885 return 0; 886 } 887 888 static int 889 mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, 890 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo) 891 { 892 Mpi2SataPassthroughRequest_t *mpi_request; 893 Mpi2SataPassthroughReply_t *reply; 894 struct mps_command *cm; 895 char *buffer; 896 int error = 0; 897 898 buffer = malloc( sz, M_MPT2, M_NOWAIT | M_ZERO); 899 if (!buffer) 900 return ENOMEM; 901 902 if ((cm = mps_alloc_command(sc)) == NULL) { 903 free(buffer, M_MPT2); 904 return (EBUSY); 905 } 906 mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req; 907 bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST)); 908 mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH; 909 mpi_request->VF_ID = 0; 910 mpi_request->DevHandle = htole16(handle); 911 mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO | 912 MPI2_SATA_PT_REQ_PT_FLAGS_READ); 913 mpi_request->DataLength = htole32(sz); 914 mpi_request->CommandFIS[0] = 0x27; 915 mpi_request->CommandFIS[1] = 0x80; 916 mpi_request->CommandFIS[2] = (devinfo & 917 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC; 918 cm->cm_sge = &mpi_request->SGL; 919 cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION); 920 cm->cm_flags = MPS_CM_FLAGS_SGE_SIMPLE | MPS_CM_FLAGS_DATAIN; 921 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 922 cm->cm_data = buffer; 923 cm->cm_length = htole32(sz); 924 925 /* 926 * Start a timeout counter specifically for the SATA ID command. This 927 * is used to fix a problem where the FW does not send a reply sometimes 928 * when a bad disk is in the topology. So, this is used to timeout the 929 * command so that processing can continue normally. 930 */ 931 mps_dprint(sc, MPS_XINFO, "%s start timeout counter for SATA ID " 932 "command\n", __func__); 933 callout_reset(&cm->cm_callout, MPS_ATA_ID_TIMEOUT * hz, 934 mpssas_ata_id_timeout, cm); 935 error = mps_wait_command(sc, cm, 60, CAN_SLEEP); 936 mps_dprint(sc, MPS_XINFO, "%s stop timeout counter for SATA ID " 937 "command\n", __func__); 938 callout_stop(&cm->cm_callout); 939 940 reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply; 941 if (error || (reply == NULL)) { 942 /* FIXME */ 943 /* 944 * If the request returns an error then we need to do a diag 945 * reset 946 */ 947 printf("%s: request for page completed with error %d", 948 __func__, error); 949 error = ENXIO; 950 goto out; 951 } 952 bcopy(buffer, id_buffer, sz); 953 bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t)); 954 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) != 955 MPI2_IOCSTATUS_SUCCESS) { 956 printf("%s: error reading SATA PASSTHRU; iocstatus = 0x%x\n", 957 __func__, reply->IOCStatus); 958 error = ENXIO; 959 goto out; 960 } 961 out: 962 /* 963 * If the SATA_ID_TIMEOUT flag has been set for this command, don't free 964 * it. The command will be freed after sending a target reset TM. If 965 * the command did timeout, use EWOULDBLOCK. 966 */ 967 if ((cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) == 0) 968 mps_free_command(sc, cm); 969 else if (error == 0) 970 error = EWOULDBLOCK; 971 free(buffer, M_MPT2); 972 return (error); 973 } 974 975 static void 976 mpssas_ata_id_timeout(void *data) 977 { 978 struct mps_softc *sc; 979 struct mps_command *cm; 980 981 cm = (struct mps_command *)data; 982 sc = cm->cm_sc; 983 mtx_assert(&sc->mps_mtx, MA_OWNED); 984 985 mps_dprint(sc, MPS_INFO, "%s checking ATA ID command %p sc %p\n", 986 __func__, cm, sc); 987 if ((callout_pending(&cm->cm_callout)) || 988 (!callout_active(&cm->cm_callout))) { 989 mps_dprint(sc, MPS_INFO, "%s ATA ID command almost timed out\n", 990 __func__); 991 return; 992 } 993 callout_deactivate(&cm->cm_callout); 994 995 /* 996 * Run the interrupt handler to make sure it's not pending. This 997 * isn't perfect because the command could have already completed 998 * and been re-used, though this is unlikely. 999 */ 1000 mps_intr_locked(sc); 1001 if (cm->cm_state == MPS_CM_STATE_FREE) { 1002 mps_dprint(sc, MPS_INFO, "%s ATA ID command almost timed out\n", 1003 __func__); 1004 return; 1005 } 1006 1007 mps_dprint(sc, MPS_INFO, "ATA ID command timeout cm %p\n", cm); 1008 1009 /* 1010 * Send wakeup() to the sleeping thread that issued this ATA ID command. 1011 * wakeup() will cause msleep to return a 0 (not EWOULDBLOCK), and this 1012 * will keep reinit() from being called. This way, an Abort Task TM can 1013 * be issued so that the timed out command can be cleared. The Abort 1014 * Task cannot be sent from here because the driver has not completed 1015 * setting up targets. Instead, the command is flagged so that special 1016 * handling will be used to send the abort. 1017 */ 1018 cm->cm_flags |= MPS_CM_FLAGS_SATA_ID_TIMEOUT; 1019 wakeup(cm); 1020 } 1021 1022 static int 1023 mpssas_volume_add(struct mps_softc *sc, u16 handle) 1024 { 1025 struct mpssas_softc *sassc; 1026 struct mpssas_target *targ; 1027 u64 wwid; 1028 unsigned int id; 1029 int error = 0; 1030 struct mpssas_lun *lun; 1031 1032 sassc = sc->sassc; 1033 mpssas_startup_increment(sassc); 1034 /* wwid is endian safe */ 1035 mps_config_get_volume_wwid(sc, handle, &wwid); 1036 if (!wwid) { 1037 printf("%s: invalid WWID; cannot add volume to mapping table\n", 1038 __func__); 1039 error = ENXIO; 1040 goto out; 1041 } 1042 1043 id = mps_mapping_get_raid_id(sc, wwid, handle); 1044 if (id == MPS_MAP_BAD_ID) { 1045 printf("%s: could not get ID for volume with handle 0x%04x and " 1046 "WWID 0x%016llx\n", __func__, handle, 1047 (unsigned long long)wwid); 1048 error = ENXIO; 1049 goto out; 1050 } 1051 1052 targ = &sassc->targets[id]; 1053 targ->tid = id; 1054 targ->handle = handle; 1055 targ->devname = wwid; 1056 TAILQ_INIT(&targ->commands); 1057 TAILQ_INIT(&targ->timedout_commands); 1058 while(!SLIST_EMPTY(&targ->luns)) { 1059 lun = SLIST_FIRST(&targ->luns); 1060 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 1061 free(lun, M_MPT2); 1062 } 1063 SLIST_INIT(&targ->luns); 1064 #if __FreeBSD_version < 1000039 1065 if ((sassc->flags & MPSSAS_IN_STARTUP) == 0) 1066 #endif 1067 mpssas_rescan_target(sc, targ); 1068 mps_dprint(sc, MPS_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n", 1069 targ->tid, wwid); 1070 out: 1071 mpssas_startup_decrement(sassc); 1072 return (error); 1073 } 1074 1075 /** 1076 * mpssas_SSU_to_SATA_devices 1077 * @sc: per adapter object 1078 * 1079 * Looks through the target list and issues a StartStopUnit SCSI command to each 1080 * SATA direct-access device. This helps to ensure that data corruption is 1081 * avoided when the system is being shut down. This must be called after the IR 1082 * System Shutdown RAID Action is sent if in IR mode. 1083 * 1084 * Return nothing. 1085 */ 1086 static void 1087 mpssas_SSU_to_SATA_devices(struct mps_softc *sc) 1088 { 1089 struct mpssas_softc *sassc = sc->sassc; 1090 union ccb *ccb; 1091 path_id_t pathid = cam_sim_path(sassc->sim); 1092 target_id_t targetid; 1093 struct mpssas_target *target; 1094 char path_str[64]; 1095 struct timeval cur_time, start_time; 1096 1097 /* 1098 * For each target, issue a StartStopUnit command to stop the device. 1099 */ 1100 sc->SSU_started = TRUE; 1101 sc->SSU_refcount = 0; 1102 for (targetid = 0; targetid < sc->facts->MaxTargets; targetid++) { 1103 target = &sassc->targets[targetid]; 1104 if (target->handle == 0x0) { 1105 continue; 1106 } 1107 1108 ccb = xpt_alloc_ccb_nowait(); 1109 if (ccb == NULL) { 1110 mps_dprint(sc, MPS_FAULT, "Unable to alloc CCB to stop " 1111 "unit.\n"); 1112 return; 1113 } 1114 1115 /* 1116 * The stop_at_shutdown flag will be set if this device is 1117 * a SATA direct-access end device. 1118 */ 1119 if (target->stop_at_shutdown) { 1120 if (xpt_create_path(&ccb->ccb_h.path, 1121 xpt_periph, pathid, targetid, 1122 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1123 mps_dprint(sc, MPS_FAULT, "Unable to create " 1124 "LUN path to stop unit.\n"); 1125 xpt_free_ccb(ccb); 1126 return; 1127 } 1128 xpt_path_string(ccb->ccb_h.path, path_str, 1129 sizeof(path_str)); 1130 1131 mps_dprint(sc, MPS_INFO, "Sending StopUnit: path %s " 1132 "handle %d\n", path_str, target->handle); 1133 1134 /* 1135 * Issue a START STOP UNIT command for the target. 1136 * Increment the SSU counter to be used to count the 1137 * number of required replies. 1138 */ 1139 mps_dprint(sc, MPS_INFO, "Incrementing SSU count\n"); 1140 sc->SSU_refcount++; 1141 ccb->ccb_h.target_id = 1142 xpt_path_target_id(ccb->ccb_h.path); 1143 ccb->ccb_h.ppriv_ptr1 = sassc; 1144 scsi_start_stop(&ccb->csio, 1145 /*retries*/0, 1146 mpssas_stop_unit_done, 1147 MSG_SIMPLE_Q_TAG, 1148 /*start*/FALSE, 1149 /*load/eject*/0, 1150 /*immediate*/FALSE, 1151 MPS_SENSE_LEN, 1152 /*timeout*/10000); 1153 xpt_action(ccb); 1154 } 1155 } 1156 1157 /* 1158 * Wait until all of the SSU commands have completed or time has 1159 * expired (60 seconds). Pause for 100ms each time through. If any 1160 * command times out, the target will be reset in the SCSI command 1161 * timeout routine. 1162 */ 1163 getmicrotime(&start_time); 1164 while (sc->SSU_refcount) { 1165 pause("mpswait", hz/10); 1166 1167 getmicrotime(&cur_time); 1168 if ((cur_time.tv_sec - start_time.tv_sec) > 60) { 1169 mps_dprint(sc, MPS_FAULT, "Time has expired waiting " 1170 "for SSU commands to complete.\n"); 1171 break; 1172 } 1173 } 1174 } 1175 1176 static void 1177 mpssas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb) 1178 { 1179 struct mpssas_softc *sassc; 1180 char path_str[64]; 1181 1182 if (done_ccb == NULL) 1183 return; 1184 1185 sassc = (struct mpssas_softc *)done_ccb->ccb_h.ppriv_ptr1; 1186 1187 xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str)); 1188 mps_dprint(sassc->sc, MPS_INFO, "Completing stop unit for %s\n", 1189 path_str); 1190 1191 /* 1192 * Nothing more to do except free the CCB and path. If the command 1193 * timed out, an abort reset, then target reset will be issued during 1194 * the SCSI Command process. 1195 */ 1196 xpt_free_path(done_ccb->ccb_h.path); 1197 xpt_free_ccb(done_ccb); 1198 } 1199 1200 /** 1201 * mpssas_ir_shutdown - IR shutdown notification 1202 * @sc: per adapter object 1203 * 1204 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that 1205 * the host system is shutting down. 1206 * 1207 * Return nothing. 1208 */ 1209 void 1210 mpssas_ir_shutdown(struct mps_softc *sc) 1211 { 1212 u16 volume_mapping_flags; 1213 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1214 struct dev_mapping_table *mt_entry; 1215 u32 start_idx, end_idx; 1216 unsigned int id, found_volume = 0; 1217 struct mps_command *cm; 1218 Mpi2RaidActionRequest_t *action; 1219 target_id_t targetid; 1220 struct mpssas_target *target; 1221 1222 mps_dprint(sc, MPS_TRACE, "%s\n", __func__); 1223 1224 /* is IR firmware build loaded? */ 1225 if (!sc->ir_firmware) 1226 goto out; 1227 1228 /* are there any volumes? Look at IR target IDs. */ 1229 // TODO-later, this should be looked up in the RAID config structure 1230 // when it is implemented. 1231 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) & 1232 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; 1233 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) { 1234 start_idx = 0; 1235 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0) 1236 start_idx = 1; 1237 } else 1238 start_idx = sc->max_devices - sc->max_volumes; 1239 end_idx = start_idx + sc->max_volumes - 1; 1240 1241 for (id = start_idx; id < end_idx; id++) { 1242 mt_entry = &sc->mapping_table[id]; 1243 if ((mt_entry->physical_id != 0) && 1244 (mt_entry->missing_count == 0)) { 1245 found_volume = 1; 1246 break; 1247 } 1248 } 1249 1250 if (!found_volume) 1251 goto out; 1252 1253 if ((cm = mps_alloc_command(sc)) == NULL) { 1254 printf("%s: command alloc failed\n", __func__); 1255 goto out; 1256 } 1257 1258 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req; 1259 action->Function = MPI2_FUNCTION_RAID_ACTION; 1260 action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; 1261 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 1262 mps_lock(sc); 1263 mps_wait_command(sc, cm, 5, CAN_SLEEP); 1264 mps_unlock(sc); 1265 1266 /* 1267 * Don't check for reply, just leave. 1268 */ 1269 if (cm) 1270 mps_free_command(sc, cm); 1271 1272 out: 1273 /* 1274 * All of the targets must have the correct value set for 1275 * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable. 1276 * 1277 * The possible values for the 'enable_ssu' variable are: 1278 * 0: disable to SSD and HDD 1279 * 1: disable only to HDD (default) 1280 * 2: disable only to SSD 1281 * 3: enable to SSD and HDD 1282 * anything else will default to 1. 1283 */ 1284 for (targetid = 0; targetid < sc->facts->MaxTargets; targetid++) { 1285 target = &sc->sassc->targets[targetid]; 1286 if (target->handle == 0x0) { 1287 continue; 1288 } 1289 1290 if (target->supports_SSU) { 1291 switch (sc->enable_ssu) { 1292 case MPS_SSU_DISABLE_SSD_DISABLE_HDD: 1293 target->stop_at_shutdown = FALSE; 1294 break; 1295 case MPS_SSU_DISABLE_SSD_ENABLE_HDD: 1296 target->stop_at_shutdown = TRUE; 1297 if (target->flags & MPS_TARGET_IS_SATA_SSD) { 1298 target->stop_at_shutdown = FALSE; 1299 } 1300 break; 1301 case MPS_SSU_ENABLE_SSD_ENABLE_HDD: 1302 target->stop_at_shutdown = TRUE; 1303 break; 1304 case MPS_SSU_ENABLE_SSD_DISABLE_HDD: 1305 default: 1306 target->stop_at_shutdown = TRUE; 1307 if ((target->flags & 1308 MPS_TARGET_IS_SATA_SSD) == 0) { 1309 target->stop_at_shutdown = FALSE; 1310 } 1311 break; 1312 } 1313 } 1314 } 1315 mpssas_SSU_to_SATA_devices(sc); 1316 } 1317