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/queue.h> 52 #include <sys/kthread.h> 53 #include <sys/taskqueue.h> 54 #include <sys/sbuf.h> 55 56 #include <machine/bus.h> 57 #include <machine/resource.h> 58 #include <sys/rman.h> 59 60 #include <machine/stdarg.h> 61 62 #include <cam/cam.h> 63 #include <cam/cam_ccb.h> 64 #include <cam/cam_debug.h> 65 #include <cam/cam_sim.h> 66 #include <cam/cam_xpt_sim.h> 67 #include <cam/cam_xpt_periph.h> 68 #include <cam/cam_periph.h> 69 #include <cam/scsi/scsi_all.h> 70 #include <cam/scsi/scsi_message.h> 71 72 #include <dev/mps/mpi/mpi2_type.h> 73 #include <dev/mps/mpi/mpi2.h> 74 #include <dev/mps/mpi/mpi2_ioc.h> 75 #include <dev/mps/mpi/mpi2_sas.h> 76 #include <dev/mps/mpi/mpi2_cnfg.h> 77 #include <dev/mps/mpi/mpi2_init.h> 78 #include <dev/mps/mpi/mpi2_raid.h> 79 #include <dev/mps/mpi/mpi2_tool.h> 80 #include <dev/mps/mps_ioctl.h> 81 #include <dev/mps/mpsvar.h> 82 #include <dev/mps/mps_table.h> 83 #include <dev/mps/mps_sas.h> 84 85 /* For Hashed SAS Address creation for SATA Drives */ 86 #define MPT2SAS_SN_LEN 20 87 #define MPT2SAS_MN_LEN 40 88 89 struct mps_fw_event_work { 90 u16 event; 91 void *event_data; 92 TAILQ_ENTRY(mps_fw_event_work) ev_link; 93 }; 94 95 union _sata_sas_address { 96 u8 wwid[8]; 97 struct { 98 u32 high; 99 u32 low; 100 } word; 101 }; 102 103 /* 104 * define the IDENTIFY DEVICE structure 105 */ 106 struct _ata_identify_device_data { 107 u16 reserved1[10]; /* 0-9 */ 108 u16 serial_number[10]; /* 10-19 */ 109 u16 reserved2[7]; /* 20-26 */ 110 u16 model_number[20]; /* 27-46*/ 111 u16 reserved3[170]; /* 47-216 */ 112 u16 rotational_speed; /* 217 */ 113 u16 reserved4[38]; /* 218-255 */ 114 }; 115 static u32 event_count; 116 static void mpssas_fw_work(struct mps_softc *sc, 117 struct mps_fw_event_work *fw_event); 118 static void mpssas_fw_event_free(struct mps_softc *, 119 struct mps_fw_event_work *); 120 static int mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate); 121 static int mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, 122 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, 123 u32 devinfo); 124 static void mpssas_ata_id_timeout(void *data); 125 int mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 126 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD); 127 static int mpssas_volume_add(struct mps_softc *sc, 128 u16 handle); 129 static void mpssas_SSU_to_SATA_devices(struct mps_softc *sc); 130 static void mpssas_stop_unit_done(struct cam_periph *periph, 131 union ccb *done_ccb); 132 133 void 134 mpssas_evt_handler(struct mps_softc *sc, uintptr_t data, 135 MPI2_EVENT_NOTIFICATION_REPLY *event) 136 { 137 struct mps_fw_event_work *fw_event; 138 u16 sz; 139 140 mps_dprint(sc, MPS_TRACE, "%s\n", __func__); 141 MPS_DPRINT_EVENT(sc, sas, event); 142 mpssas_record_event(sc, event); 143 144 fw_event = malloc(sizeof(struct mps_fw_event_work), M_MPT2, 145 M_ZERO|M_NOWAIT); 146 if (!fw_event) { 147 printf("%s: allocate failed for fw_event\n", __func__); 148 return; 149 } 150 sz = le16toh(event->EventDataLength) * 4; 151 fw_event->event_data = malloc(sz, M_MPT2, M_ZERO|M_NOWAIT); 152 if (!fw_event->event_data) { 153 printf("%s: allocate failed for event_data\n", __func__); 154 free(fw_event, M_MPT2); 155 return; 156 } 157 158 bcopy(event->EventData, fw_event->event_data, sz); 159 fw_event->event = event->Event; 160 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || 161 event->Event == MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE || 162 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) && 163 sc->track_mapping_events) 164 sc->pending_map_events++; 165 166 /* 167 * When wait_for_port_enable flag is set, make sure that all the events 168 * are processed. Increment the startup_refcount and decrement it after 169 * events are processed. 170 */ 171 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || 172 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) && 173 sc->wait_for_port_enable) 174 mpssas_startup_increment(sc->sassc); 175 176 TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link); 177 taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task); 178 179 } 180 181 static void 182 mpssas_fw_event_free(struct mps_softc *sc, struct mps_fw_event_work *fw_event) 183 { 184 185 free(fw_event->event_data, M_MPT2); 186 free(fw_event, M_MPT2); 187 } 188 189 /** 190 * _mps_fw_work - delayed task for processing firmware events 191 * @sc: per adapter object 192 * @fw_event: The fw_event_work object 193 * Context: user. 194 * 195 * Return nothing. 196 */ 197 static void 198 mpssas_fw_work(struct mps_softc *sc, struct mps_fw_event_work *fw_event) 199 { 200 struct mpssas_softc *sassc; 201 sassc = sc->sassc; 202 203 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Working on Event: [%x]\n", 204 event_count++,__func__,fw_event->event); 205 switch (fw_event->event) { 206 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: 207 { 208 MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data; 209 MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy; 210 int i; 211 212 data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *) 213 fw_event->event_data; 214 215 mps_mapping_topology_change_event(sc, fw_event->event_data); 216 217 for (i = 0; i < data->NumEntries; i++) { 218 phy = &data->PHY[i]; 219 switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) { 220 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: 221 if (mpssas_add_device(sc, 222 le16toh(phy->AttachedDevHandle), 223 phy->LinkRate)){ 224 mps_dprint(sc, MPS_ERROR, "%s: " 225 "failed to add device with handle " 226 "0x%x\n", __func__, 227 le16toh(phy->AttachedDevHandle)); 228 mpssas_prepare_remove(sassc, le16toh( 229 phy->AttachedDevHandle)); 230 } 231 break; 232 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: 233 mpssas_prepare_remove(sassc,le16toh( 234 phy->AttachedDevHandle)); 235 break; 236 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: 237 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: 238 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: 239 default: 240 break; 241 } 242 } 243 /* 244 * refcount was incremented for this event in 245 * mpssas_evt_handler. Decrement it here because the event has 246 * been processed. 247 */ 248 mpssas_startup_decrement(sassc); 249 break; 250 } 251 case MPI2_EVENT_SAS_DISCOVERY: 252 { 253 MPI2_EVENT_DATA_SAS_DISCOVERY *data; 254 255 data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data; 256 257 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED) 258 mps_dprint(sc, MPS_TRACE,"SAS discovery start event\n"); 259 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) { 260 mps_dprint(sc, MPS_TRACE,"SAS discovery stop event\n"); 261 sassc->flags &= ~MPSSAS_IN_DISCOVERY; 262 mpssas_discovery_end(sassc); 263 } 264 break; 265 } 266 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: 267 { 268 Mpi2EventDataSasEnclDevStatusChange_t *data; 269 data = (Mpi2EventDataSasEnclDevStatusChange_t *) 270 fw_event->event_data; 271 mps_mapping_enclosure_dev_status_change_event(sc, 272 fw_event->event_data); 273 break; 274 } 275 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: 276 { 277 Mpi2EventIrConfigElement_t *element; 278 int i; 279 u8 foreign_config; 280 Mpi2EventDataIrConfigChangeList_t *event_data; 281 struct mpssas_target *targ; 282 unsigned int id; 283 284 event_data = fw_event->event_data; 285 foreign_config = (le32toh(event_data->Flags) & 286 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; 287 288 element = 289 (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; 290 id = mps_mapping_get_raid_tid_from_handle(sc, 291 element->VolDevHandle); 292 293 mps_mapping_ir_config_change_event(sc, event_data); 294 295 for (i = 0; i < event_data->NumElements; i++, element++) { 296 switch (element->ReasonCode) { 297 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: 298 case MPI2_EVENT_IR_CHANGE_RC_ADDED: 299 if (!foreign_config) { 300 if (mpssas_volume_add(sc, 301 le16toh(element->VolDevHandle))){ 302 printf("%s: failed to add RAID " 303 "volume with handle 0x%x\n", 304 __func__, le16toh(element-> 305 VolDevHandle)); 306 } 307 } 308 break; 309 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: 310 case MPI2_EVENT_IR_CHANGE_RC_REMOVED: 311 /* 312 * Rescan after volume is deleted or removed. 313 */ 314 if (!foreign_config) { 315 if (id == MPS_MAP_BAD_ID) { 316 printf("%s: could not get ID " 317 "for volume with handle " 318 "0x%04x\n", __func__, 319 le16toh(element->VolDevHandle)); 320 break; 321 } 322 323 targ = &sassc->targets[id]; 324 targ->handle = 0x0; 325 targ->encl_slot = 0x0; 326 targ->encl_handle = 0x0; 327 targ->exp_dev_handle = 0x0; 328 targ->phy_num = 0x0; 329 targ->linkrate = 0x0; 330 mpssas_rescan_target(sc, targ); 331 printf("RAID target id 0x%x removed\n", 332 targ->tid); 333 } 334 break; 335 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: 336 case MPI2_EVENT_IR_CHANGE_RC_HIDE: 337 /* 338 * Phys Disk of a volume has been created. Hide 339 * it from the OS. 340 */ 341 targ = mpssas_find_target_by_handle(sassc, 0, 342 element->PhysDiskDevHandle); 343 if (targ == NULL) 344 break; 345 346 /* 347 * Set raid component flags only if it is not 348 * WD. OR WrapDrive with 349 * WD_HIDE_ALWAYS/WD_HIDE_IF_VOLUME is set in 350 * NVRAM 351 */ 352 if((!sc->WD_available) || 353 ((sc->WD_available && 354 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) || 355 (sc->WD_valid_config && (sc->WD_hide_expose == 356 MPS_WD_HIDE_IF_VOLUME)))) { 357 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 358 } 359 mpssas_rescan_target(sc, targ); 360 361 break; 362 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: 363 /* 364 * Phys Disk of a volume has been deleted. 365 * Expose it to the OS. 366 */ 367 if (mpssas_add_device(sc, 368 le16toh(element->PhysDiskDevHandle), 0)){ 369 printf("%s: failed to add device with " 370 "handle 0x%x\n", __func__, 371 le16toh(element->PhysDiskDevHandle)); 372 mpssas_prepare_remove(sassc, le16toh(element-> 373 PhysDiskDevHandle)); 374 } 375 break; 376 } 377 } 378 /* 379 * refcount was incremented for this event in 380 * mpssas_evt_handler. Decrement it here because the event has 381 * been processed. 382 */ 383 mpssas_startup_decrement(sassc); 384 break; 385 } 386 case MPI2_EVENT_IR_VOLUME: 387 { 388 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data; 389 390 /* 391 * Informational only. 392 */ 393 mps_dprint(sc, MPS_EVENT, "Received IR Volume event:\n"); 394 switch (event_data->ReasonCode) { 395 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED: 396 mps_dprint(sc, MPS_EVENT, " Volume Settings " 397 "changed from 0x%x to 0x%x for Volome with " 398 "handle 0x%x", le32toh(event_data->PreviousValue), 399 le32toh(event_data->NewValue), 400 le16toh(event_data->VolDevHandle)); 401 break; 402 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED: 403 mps_dprint(sc, MPS_EVENT, " Volume Status " 404 "changed from 0x%x to 0x%x for Volome with " 405 "handle 0x%x", le32toh(event_data->PreviousValue), 406 le32toh(event_data->NewValue), 407 le16toh(event_data->VolDevHandle)); 408 break; 409 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED: 410 mps_dprint(sc, MPS_EVENT, " Volume State " 411 "changed from 0x%x to 0x%x for Volome with " 412 "handle 0x%x", le32toh(event_data->PreviousValue), 413 le32toh(event_data->NewValue), 414 le16toh(event_data->VolDevHandle)); 415 u32 state; 416 struct mpssas_target *targ; 417 state = le32toh(event_data->NewValue); 418 switch (state) { 419 case MPI2_RAID_VOL_STATE_MISSING: 420 case MPI2_RAID_VOL_STATE_FAILED: 421 mpssas_prepare_volume_remove(sassc, event_data-> 422 VolDevHandle); 423 break; 424 425 case MPI2_RAID_VOL_STATE_ONLINE: 426 case MPI2_RAID_VOL_STATE_DEGRADED: 427 case MPI2_RAID_VOL_STATE_OPTIMAL: 428 targ = mpssas_find_target_by_handle(sassc, 0, event_data->VolDevHandle); 429 if (targ) { 430 printf("%s %d: Volume handle 0x%x is already added \n", 431 __func__, __LINE__ , event_data->VolDevHandle); 432 break; 433 } 434 if (mpssas_volume_add(sc, le16toh(event_data->VolDevHandle))) { 435 printf("%s: failed to add RAID " 436 "volume with handle 0x%x\n", 437 __func__, le16toh(event_data-> 438 VolDevHandle)); 439 } 440 break; 441 default: 442 break; 443 } 444 break; 445 default: 446 break; 447 } 448 break; 449 } 450 case MPI2_EVENT_IR_PHYSICAL_DISK: 451 { 452 Mpi2EventDataIrPhysicalDisk_t *event_data = 453 fw_event->event_data; 454 struct mpssas_target *targ; 455 456 /* 457 * Informational only. 458 */ 459 mps_dprint(sc, MPS_EVENT, "Received IR Phys Disk event:\n"); 460 switch (event_data->ReasonCode) { 461 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED: 462 mps_dprint(sc, MPS_EVENT, " Phys Disk Settings " 463 "changed from 0x%x to 0x%x for Phys Disk Number " 464 "%d and handle 0x%x at Enclosure handle 0x%x, Slot " 465 "%d", le32toh(event_data->PreviousValue), 466 le32toh(event_data->NewValue), 467 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_STATUS_FLAGS_CHANGED: 472 mps_dprint(sc, MPS_EVENT, " Phys Disk Status 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 break; 480 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED: 481 mps_dprint(sc, MPS_EVENT, " Phys Disk State changed " 482 "from 0x%x to 0x%x for Phys Disk Number %d and " 483 "handle 0x%x at Enclosure handle 0x%x, Slot %d", 484 le32toh(event_data->PreviousValue), 485 le32toh(event_data->NewValue), event_data->PhysDiskNum, 486 le16toh(event_data->PhysDiskDevHandle), 487 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 488 switch (event_data->NewValue) { 489 case MPI2_RAID_PD_STATE_ONLINE: 490 case MPI2_RAID_PD_STATE_DEGRADED: 491 case MPI2_RAID_PD_STATE_REBUILDING: 492 case MPI2_RAID_PD_STATE_OPTIMAL: 493 case MPI2_RAID_PD_STATE_HOT_SPARE: 494 targ = mpssas_find_target_by_handle(sassc, 0, 495 event_data->PhysDiskDevHandle); 496 if (targ) { 497 if(!sc->WD_available) { 498 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 499 printf("%s %d: Found Target for handle 0x%x. \n", 500 __func__, __LINE__ , event_data->PhysDiskDevHandle); 501 } else if ((sc->WD_available && 502 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) || 503 (sc->WD_valid_config && (sc->WD_hide_expose == 504 MPS_WD_HIDE_IF_VOLUME))) { 505 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 506 printf("%s %d: WD: Found Target for handle 0x%x. \n", 507 __func__, __LINE__ , event_data->PhysDiskDevHandle); 508 } 509 } 510 break; 511 case MPI2_RAID_PD_STATE_OFFLINE: 512 case MPI2_RAID_PD_STATE_NOT_CONFIGURED: 513 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: 514 default: 515 targ = mpssas_find_target_by_handle(sassc, 0, 516 event_data->PhysDiskDevHandle); 517 if (targ) { 518 targ->flags |= ~MPS_TARGET_FLAGS_RAID_COMPONENT; 519 printf("%s %d: Found Target for handle 0x%x. \n", 520 __func__, __LINE__ , event_data->PhysDiskDevHandle); 521 } 522 break; 523 } 524 default: 525 break; 526 } 527 break; 528 } 529 case MPI2_EVENT_IR_OPERATION_STATUS: 530 { 531 Mpi2EventDataIrOperationStatus_t *event_data = 532 fw_event->event_data; 533 534 /* 535 * Informational only. 536 */ 537 mps_dprint(sc, MPS_EVENT, "Received IR Op Status event:\n"); 538 mps_dprint(sc, MPS_EVENT, " RAID Operation of %d is %d " 539 "percent complete for Volume with handle 0x%x", 540 event_data->RAIDOperation, event_data->PercentComplete, 541 le16toh(event_data->VolDevHandle)); 542 break; 543 } 544 case MPI2_EVENT_LOG_ENTRY_ADDED: 545 { 546 pMpi2EventDataLogEntryAdded_t logEntry; 547 uint16_t logQualifier; 548 uint8_t logCode; 549 550 logEntry = (pMpi2EventDataLogEntryAdded_t)fw_event->event_data; 551 logQualifier = logEntry->LogEntryQualifier; 552 553 if (logQualifier == MPI2_WD_LOG_ENTRY) { 554 logCode = logEntry->LogData[0]; 555 556 switch (logCode) { 557 case MPI2_WD_SSD_THROTTLING: 558 printf("WarpDrive Warning: IO Throttling has " 559 "occurred in the WarpDrive subsystem. " 560 "Check WarpDrive documentation for " 561 "additional details\n"); 562 break; 563 case MPI2_WD_DRIVE_LIFE_WARN: 564 printf("WarpDrive Warning: Program/Erase " 565 "Cycles for the WarpDrive subsystem in " 566 "degraded range. Check WarpDrive " 567 "documentation for additional details\n"); 568 break; 569 case MPI2_WD_DRIVE_LIFE_DEAD: 570 printf("WarpDrive Fatal Error: There are no " 571 "Program/Erase Cycles for the WarpDrive " 572 "subsystem. The storage device will be in " 573 "read-only mode. Check WarpDrive " 574 "documentation for additional details\n"); 575 break; 576 case MPI2_WD_RAIL_MON_FAIL: 577 printf("WarpDrive Fatal Error: The Backup Rail " 578 "Monitor has failed on the WarpDrive " 579 "subsystem. Check WarpDrive documentation " 580 "for additional details\n"); 581 break; 582 default: 583 break; 584 } 585 } 586 break; 587 } 588 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: 589 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: 590 default: 591 mps_dprint(sc, MPS_TRACE,"Unhandled event 0x%0X\n", 592 fw_event->event); 593 break; 594 595 } 596 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Event Free: [%x]\n",event_count,__func__, fw_event->event); 597 mpssas_fw_event_free(sc, fw_event); 598 } 599 600 void 601 mpssas_firmware_event_work(void *arg, int pending) 602 { 603 struct mps_fw_event_work *fw_event; 604 struct mps_softc *sc; 605 606 sc = (struct mps_softc *)arg; 607 mps_lock(sc); 608 while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) { 609 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link); 610 mpssas_fw_work(sc, fw_event); 611 } 612 mps_unlock(sc); 613 } 614 615 static int 616 mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate){ 617 char devstring[80]; 618 struct mpssas_softc *sassc; 619 struct mpssas_target *targ; 620 Mpi2ConfigReply_t mpi_reply; 621 Mpi2SasDevicePage0_t config_page; 622 uint64_t sas_address; 623 uint64_t parent_sas_address = 0; 624 u32 device_info, parent_devinfo = 0; 625 unsigned int id; 626 int ret = 1, error = 0, i; 627 struct mpssas_lun *lun; 628 u8 is_SATA_SSD = 0; 629 struct mps_command *cm; 630 631 sassc = sc->sassc; 632 mpssas_startup_increment(sassc); 633 if (mps_config_get_sas_device_pg0(sc, &mpi_reply, &config_page, 634 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle) != 0) { 635 mps_dprint(sc, MPS_INFO|MPS_MAPPING|MPS_FAULT, 636 "Error reading SAS device %#x page0, iocstatus= 0x%x\n", 637 handle, mpi_reply.IOCStatus); 638 error = ENXIO; 639 goto out; 640 } 641 642 device_info = le32toh(config_page.DeviceInfo); 643 644 if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) 645 && (le16toh(config_page.ParentDevHandle) != 0)) { 646 Mpi2ConfigReply_t tmp_mpi_reply; 647 Mpi2SasDevicePage0_t parent_config_page; 648 649 if (mps_config_get_sas_device_pg0(sc, &tmp_mpi_reply, 650 &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, 651 le16toh(config_page.ParentDevHandle)) != 0) { 652 mps_dprint(sc, MPS_MAPPING|MPS_FAULT, 653 "Error reading parent SAS device %#x page0, " 654 "iocstatus= 0x%x\n", 655 le16toh(config_page.ParentDevHandle), 656 tmp_mpi_reply.IOCStatus); 657 } else { 658 parent_sas_address = parent_config_page.SASAddress.High; 659 parent_sas_address = (parent_sas_address << 32) | 660 parent_config_page.SASAddress.Low; 661 parent_devinfo = le32toh(parent_config_page.DeviceInfo); 662 } 663 } 664 /* TODO Check proper endianness */ 665 sas_address = config_page.SASAddress.High; 666 sas_address = (sas_address << 32) | config_page.SASAddress.Low; 667 mps_dprint(sc, MPS_MAPPING, "Handle 0x%04x SAS Address from SAS device " 668 "page0 = %jx\n", handle, sas_address); 669 670 /* 671 * Always get SATA Identify information because this is used to 672 * determine if Start/Stop Unit should be sent to the drive when the 673 * system is shutdown. 674 */ 675 if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) { 676 ret = mpssas_get_sas_address_for_sata_disk(sc, &sas_address, 677 handle, device_info, &is_SATA_SSD); 678 if (ret) { 679 mps_dprint(sc, MPS_MAPPING|MPS_ERROR, 680 "%s: failed to get disk type (SSD or HDD) for SATA " 681 "device with handle 0x%04x\n", 682 __func__, handle); 683 } else { 684 mps_dprint(sc, MPS_MAPPING, "Handle 0x%04x SAS Address " 685 "from SATA device = %jx\n", handle, sas_address); 686 } 687 } 688 689 /* 690 * use_phynum: 691 * 1 - use the PhyNum field as a fallback to the mapping logic 692 * 0 - never use the PhyNum field 693 * -1 - only use the PhyNum field 694 * 695 * Note that using the Phy number to map a device can cause device adds 696 * to fail if multiple enclosures/expanders are in the topology. For 697 * example, if two devices are in the same slot number in two different 698 * enclosures within the topology, only one of those devices will be 699 * added. PhyNum mapping should not be used if multiple enclosures are 700 * in the topology. 701 */ 702 id = MPS_MAP_BAD_ID; 703 if (sc->use_phynum != -1) 704 id = mps_mapping_get_tid(sc, sas_address, handle); 705 if (id == MPS_MAP_BAD_ID) { 706 if ((sc->use_phynum == 0) 707 || ((id = config_page.PhyNum) > sassc->maxtargets)) { 708 mps_dprint(sc, MPS_INFO, "failure at %s:%d/%s()! " 709 "Could not get ID for device with handle 0x%04x\n", 710 __FILE__, __LINE__, __func__, handle); 711 error = ENXIO; 712 goto out; 713 } 714 } 715 mps_dprint(sc, MPS_MAPPING, "%s: Target ID for added device is %d.\n", 716 __func__, id); 717 718 /* 719 * Only do the ID check and reuse check if the target is not from a 720 * RAID Component. For Physical Disks of a Volume, the ID will be reused 721 * when a volume is deleted because the mapping entry for the PD will 722 * still be in the mapping table. The ID check should not be done here 723 * either since this PD is already being used. 724 */ 725 targ = &sassc->targets[id]; 726 if (!(targ->flags & MPS_TARGET_FLAGS_RAID_COMPONENT)) { 727 if (mpssas_check_id(sassc, id) != 0) { 728 mps_dprint(sc, MPS_MAPPING|MPS_INFO, 729 "Excluding target id %d\n", id); 730 error = ENXIO; 731 goto out; 732 } 733 734 if (targ->handle != 0x0) { 735 mps_dprint(sc, MPS_MAPPING, "Attempting to reuse " 736 "target id %d handle 0x%04x\n", id, targ->handle); 737 error = ENXIO; 738 goto out; 739 } 740 } 741 742 targ->devinfo = device_info; 743 targ->devname = le32toh(config_page.DeviceName.High); 744 targ->devname = (targ->devname << 32) | 745 le32toh(config_page.DeviceName.Low); 746 targ->encl_handle = le16toh(config_page.EnclosureHandle); 747 targ->encl_slot = le16toh(config_page.Slot); 748 targ->handle = handle; 749 targ->parent_handle = le16toh(config_page.ParentDevHandle); 750 targ->sasaddr = mps_to_u64(&config_page.SASAddress); 751 targ->parent_sasaddr = le64toh(parent_sas_address); 752 targ->parent_devinfo = parent_devinfo; 753 targ->tid = id; 754 targ->linkrate = (linkrate>>4); 755 targ->flags = 0; 756 if (is_SATA_SSD) { 757 targ->flags = MPS_TARGET_IS_SATA_SSD; 758 } 759 TAILQ_INIT(&targ->commands); 760 TAILQ_INIT(&targ->timedout_commands); 761 while(!SLIST_EMPTY(&targ->luns)) { 762 lun = SLIST_FIRST(&targ->luns); 763 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 764 free(lun, M_MPT2); 765 } 766 SLIST_INIT(&targ->luns); 767 768 mps_describe_devinfo(targ->devinfo, devstring, 80); 769 mps_dprint(sc, MPS_MAPPING, "Found device <%s> <%s> <0x%04x> <%d/%d>\n", 770 devstring, mps_describe_table(mps_linkrate_names, targ->linkrate), 771 targ->handle, targ->encl_handle, targ->encl_slot); 772 773 #if __FreeBSD_version < 1000039 774 if ((sassc->flags & MPSSAS_IN_STARTUP) == 0) 775 #endif 776 mpssas_rescan_target(sc, targ); 777 mps_dprint(sc, MPS_MAPPING, "Target id 0x%x added\n", targ->tid); 778 779 /* 780 * Check all commands to see if the SATA_ID_TIMEOUT flag has been set. 781 * If so, send a Target Reset TM to the target that was just created. 782 * An Abort Task TM should be used instead of a Target Reset, but that 783 * would be much more difficult because targets have not been fully 784 * discovered yet, and LUN's haven't been setup. So, just reset the 785 * target instead of the LUN. 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_state = MPS_CM_STATE_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 /* 814 * Free the commands that may not have been freed from the SATA ID call 815 */ 816 for (i = 1; i < sc->num_reqs; i++) { 817 cm = &sc->commands[i]; 818 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) { 819 mps_free_command(sc, cm); 820 } 821 } 822 mpssas_startup_decrement(sassc); 823 return (error); 824 } 825 826 int 827 mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 828 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD) 829 { 830 Mpi2SataPassthroughReply_t mpi_reply; 831 int i, rc, try_count; 832 u32 *bufferptr; 833 union _sata_sas_address hash_address; 834 struct _ata_identify_device_data ata_identify; 835 u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN]; 836 u32 ioc_status; 837 u8 sas_status; 838 839 memset(&ata_identify, 0, sizeof(ata_identify)); 840 try_count = 0; 841 do { 842 rc = mpssas_get_sata_identify(sc, handle, &mpi_reply, 843 (char *)&ata_identify, sizeof(ata_identify), device_info); 844 try_count++; 845 ioc_status = le16toh(mpi_reply.IOCStatus) 846 & MPI2_IOCSTATUS_MASK; 847 sas_status = mpi_reply.SASStatus; 848 switch (ioc_status) { 849 case MPI2_IOCSTATUS_SUCCESS: 850 break; 851 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: 852 /* No sense sleeping. this error won't get better */ 853 break; 854 default: 855 if (sc->spinup_wait_time > 0) { 856 mps_dprint(sc, MPS_INFO, "Sleeping %d seconds " 857 "after SATA ID error to wait for spinup\n", 858 sc->spinup_wait_time); 859 msleep(&sc->msleep_fake_chan, &sc->mps_mtx, 0, 860 "mpsid", sc->spinup_wait_time * hz); 861 } 862 } 863 } while (((rc && (rc != EWOULDBLOCK)) || 864 (ioc_status && 865 (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR)) 866 || sas_status) && (try_count < 5)); 867 868 if (rc == 0 && !ioc_status && !sas_status) { 869 mps_dprint(sc, MPS_MAPPING, "%s: got SATA identify " 870 "successfully for handle = 0x%x with try_count = %d\n", 871 __func__, handle, try_count); 872 } else { 873 mps_dprint(sc, MPS_MAPPING, "%s: handle = 0x%x failed\n", 874 __func__, handle); 875 return -1; 876 } 877 /* Copy & byteswap the 40 byte model number to a buffer */ 878 for (i = 0; i < MPT2SAS_MN_LEN; i += 2) { 879 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1]; 880 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i]; 881 } 882 /* Copy & byteswap the 20 byte serial number to a buffer */ 883 for (i = 0; i < MPT2SAS_SN_LEN; i += 2) { 884 buffer[MPT2SAS_MN_LEN + i] = 885 ((u8 *)ata_identify.serial_number)[i + 1]; 886 buffer[MPT2SAS_MN_LEN + i + 1] = 887 ((u8 *)ata_identify.serial_number)[i]; 888 } 889 bufferptr = (u32 *)buffer; 890 /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8, 891 * so loop through the first 56 bytes (7*8), 892 * and then add in the last dword. 893 */ 894 hash_address.word.low = 0; 895 hash_address.word.high = 0; 896 for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) { 897 hash_address.word.low += *bufferptr; 898 bufferptr++; 899 hash_address.word.high += *bufferptr; 900 bufferptr++; 901 } 902 /* Add the last dword */ 903 hash_address.word.low += *bufferptr; 904 /* Make sure the hash doesn't start with 5, because it could clash 905 * with a SAS address. Change 5 to a D. 906 */ 907 if ((hash_address.word.high & 0x000000F0) == (0x00000050)) 908 hash_address.word.high |= 0x00000080; 909 *sas_address = (u64)hash_address.wwid[0] << 56 | 910 (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 | 911 (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 | 912 (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] << 8 | 913 (u64)hash_address.wwid[7]; 914 if (ata_identify.rotational_speed == 1) { 915 *is_SATA_SSD = 1; 916 } 917 918 return 0; 919 } 920 921 static int 922 mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, 923 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo) 924 { 925 Mpi2SataPassthroughRequest_t *mpi_request; 926 Mpi2SataPassthroughReply_t *reply = NULL; 927 struct mps_command *cm; 928 char *buffer; 929 int error = 0; 930 931 buffer = malloc( sz, M_MPT2, M_NOWAIT | M_ZERO); 932 if (!buffer) 933 return ENOMEM; 934 935 if ((cm = mps_alloc_command(sc)) == NULL) { 936 free(buffer, M_MPT2); 937 return (EBUSY); 938 } 939 mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req; 940 bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST)); 941 mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH; 942 mpi_request->VF_ID = 0; 943 mpi_request->DevHandle = htole16(handle); 944 mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO | 945 MPI2_SATA_PT_REQ_PT_FLAGS_READ); 946 mpi_request->DataLength = htole32(sz); 947 mpi_request->CommandFIS[0] = 0x27; 948 mpi_request->CommandFIS[1] = 0x80; 949 mpi_request->CommandFIS[2] = (devinfo & 950 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC; 951 cm->cm_sge = &mpi_request->SGL; 952 cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION); 953 cm->cm_flags = MPS_CM_FLAGS_SGE_SIMPLE | MPS_CM_FLAGS_DATAIN; 954 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 955 cm->cm_data = buffer; 956 cm->cm_length = htole32(sz); 957 958 /* 959 * Start a timeout counter specifically for the SATA ID command. This 960 * is used to fix a problem where the FW does not send a reply sometimes 961 * when a bad disk is in the topology. So, this is used to timeout the 962 * command so that processing can continue normally. 963 */ 964 mps_dprint(sc, MPS_XINFO, "%s start timeout counter for SATA ID " 965 "command\n", __func__); 966 callout_reset(&cm->cm_callout, MPS_ATA_ID_TIMEOUT * hz, 967 mpssas_ata_id_timeout, cm); 968 error = mps_wait_command(sc, &cm, 60, CAN_SLEEP); 969 mps_dprint(sc, MPS_XINFO, "%s stop timeout counter for SATA ID " 970 "command\n", __func__); 971 /* XXX KDM need to fix the case where this command is destroyed */ 972 callout_stop(&cm->cm_callout); 973 974 if (cm != NULL) 975 reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply; 976 if (error || (reply == NULL)) { 977 /* FIXME */ 978 /* 979 * If the request returns an error then we need to do a diag 980 * reset 981 */ 982 mps_dprint(sc, MPS_INFO|MPS_FAULT|MPS_MAPPING, 983 "Request for SATA PASSTHROUGH page completed with error %d", 984 error); 985 error = ENXIO; 986 goto out; 987 } 988 bcopy(buffer, id_buffer, sz); 989 bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t)); 990 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) != 991 MPI2_IOCSTATUS_SUCCESS) { 992 mps_dprint(sc, MPS_INFO|MPS_MAPPING|MPS_FAULT, 993 "Error reading device %#x SATA PASSTHRU; iocstatus= 0x%x\n", 994 handle, reply->IOCStatus); 995 error = ENXIO; 996 goto out; 997 } 998 out: 999 /* 1000 * If the SATA_ID_TIMEOUT flag has been set for this command, don't free 1001 * it. The command will be freed after sending a target reset TM. If 1002 * the command did timeout, use EWOULDBLOCK. 1003 */ 1004 if ((cm != NULL) 1005 && (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) == 0) 1006 mps_free_command(sc, cm); 1007 else if (error == 0) 1008 error = EWOULDBLOCK; 1009 free(buffer, M_MPT2); 1010 return (error); 1011 } 1012 1013 static void 1014 mpssas_ata_id_timeout(void *data) 1015 { 1016 struct mps_softc *sc; 1017 struct mps_command *cm; 1018 1019 cm = (struct mps_command *)data; 1020 sc = cm->cm_sc; 1021 mtx_assert(&sc->mps_mtx, MA_OWNED); 1022 1023 mps_dprint(sc, MPS_INFO, "%s checking ATA ID command %p sc %p\n", 1024 __func__, cm, sc); 1025 if ((callout_pending(&cm->cm_callout)) || 1026 (!callout_active(&cm->cm_callout))) { 1027 mps_dprint(sc, MPS_INFO, "%s ATA ID command almost timed out\n", 1028 __func__); 1029 return; 1030 } 1031 callout_deactivate(&cm->cm_callout); 1032 1033 /* 1034 * Run the interrupt handler to make sure it's not pending. This 1035 * isn't perfect because the command could have already completed 1036 * and been re-used, though this is unlikely. 1037 */ 1038 mps_intr_locked(sc); 1039 if (cm->cm_state == MPS_CM_STATE_FREE) { 1040 mps_dprint(sc, MPS_INFO, "%s ATA ID command almost timed out\n", 1041 __func__); 1042 return; 1043 } 1044 1045 mps_dprint(sc, MPS_INFO, "ATA ID command timeout cm %p\n", cm); 1046 1047 /* 1048 * Send wakeup() to the sleeping thread that issued this ATA ID command. 1049 * wakeup() will cause msleep to return a 0 (not EWOULDBLOCK), and this 1050 * will keep reinit() from being called. This way, an Abort Task TM can 1051 * be issued so that the timed out command can be cleared. The Abort 1052 * Task cannot be sent from here because the driver has not completed 1053 * setting up targets. Instead, the command is flagged so that special 1054 * handling will be used to send the abort. 1055 */ 1056 cm->cm_flags |= MPS_CM_FLAGS_SATA_ID_TIMEOUT; 1057 wakeup(cm); 1058 } 1059 1060 static int 1061 mpssas_volume_add(struct mps_softc *sc, u16 handle) 1062 { 1063 struct mpssas_softc *sassc; 1064 struct mpssas_target *targ; 1065 u64 wwid; 1066 unsigned int id; 1067 int error = 0; 1068 struct mpssas_lun *lun; 1069 1070 sassc = sc->sassc; 1071 mpssas_startup_increment(sassc); 1072 /* wwid is endian safe */ 1073 mps_config_get_volume_wwid(sc, handle, &wwid); 1074 if (!wwid) { 1075 printf("%s: invalid WWID; cannot add volume to mapping table\n", 1076 __func__); 1077 error = ENXIO; 1078 goto out; 1079 } 1080 1081 id = mps_mapping_get_raid_tid(sc, wwid, handle); 1082 if (id == MPS_MAP_BAD_ID) { 1083 printf("%s: could not get ID for volume with handle 0x%04x and " 1084 "WWID 0x%016llx\n", __func__, handle, 1085 (unsigned long long)wwid); 1086 error = ENXIO; 1087 goto out; 1088 } 1089 1090 targ = &sassc->targets[id]; 1091 targ->tid = id; 1092 targ->handle = handle; 1093 targ->devname = wwid; 1094 TAILQ_INIT(&targ->commands); 1095 TAILQ_INIT(&targ->timedout_commands); 1096 while(!SLIST_EMPTY(&targ->luns)) { 1097 lun = SLIST_FIRST(&targ->luns); 1098 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 1099 free(lun, M_MPT2); 1100 } 1101 SLIST_INIT(&targ->luns); 1102 #if __FreeBSD_version < 1000039 1103 if ((sassc->flags & MPSSAS_IN_STARTUP) == 0) 1104 #endif 1105 mpssas_rescan_target(sc, targ); 1106 mps_dprint(sc, MPS_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n", 1107 targ->tid, wwid); 1108 out: 1109 mpssas_startup_decrement(sassc); 1110 return (error); 1111 } 1112 1113 /** 1114 * mpssas_SSU_to_SATA_devices 1115 * @sc: per adapter object 1116 * 1117 * Looks through the target list and issues a StartStopUnit SCSI command to each 1118 * SATA direct-access device. This helps to ensure that data corruption is 1119 * avoided when the system is being shut down. This must be called after the IR 1120 * System Shutdown RAID Action is sent if in IR mode. 1121 * 1122 * Return nothing. 1123 */ 1124 static void 1125 mpssas_SSU_to_SATA_devices(struct mps_softc *sc) 1126 { 1127 struct mpssas_softc *sassc = sc->sassc; 1128 union ccb *ccb; 1129 path_id_t pathid = cam_sim_path(sassc->sim); 1130 target_id_t targetid; 1131 struct mpssas_target *target; 1132 char path_str[64]; 1133 struct timeval cur_time, start_time; 1134 1135 /* 1136 * For each target, issue a StartStopUnit command to stop the device. 1137 */ 1138 sc->SSU_started = TRUE; 1139 sc->SSU_refcount = 0; 1140 for (targetid = 0; targetid < sc->max_devices; targetid++) { 1141 target = &sassc->targets[targetid]; 1142 if (target->handle == 0x0) { 1143 continue; 1144 } 1145 1146 ccb = xpt_alloc_ccb_nowait(); 1147 if (ccb == NULL) { 1148 mps_dprint(sc, MPS_FAULT, "Unable to alloc CCB to stop " 1149 "unit.\n"); 1150 return; 1151 } 1152 1153 /* 1154 * The stop_at_shutdown flag will be set if this device is 1155 * a SATA direct-access end device. 1156 */ 1157 if (target->stop_at_shutdown) { 1158 if (xpt_create_path(&ccb->ccb_h.path, 1159 xpt_periph, pathid, targetid, 1160 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1161 mps_dprint(sc, MPS_FAULT, "Unable to create " 1162 "LUN path to stop unit.\n"); 1163 xpt_free_ccb(ccb); 1164 return; 1165 } 1166 xpt_path_string(ccb->ccb_h.path, path_str, 1167 sizeof(path_str)); 1168 1169 mps_dprint(sc, MPS_INFO, "Sending StopUnit: path %s " 1170 "handle %d\n", path_str, target->handle); 1171 1172 /* 1173 * Issue a START STOP UNIT command for the target. 1174 * Increment the SSU counter to be used to count the 1175 * number of required replies. 1176 */ 1177 mps_dprint(sc, MPS_INFO, "Incrementing SSU count\n"); 1178 sc->SSU_refcount++; 1179 ccb->ccb_h.target_id = 1180 xpt_path_target_id(ccb->ccb_h.path); 1181 ccb->ccb_h.ppriv_ptr1 = sassc; 1182 scsi_start_stop(&ccb->csio, 1183 /*retries*/0, 1184 mpssas_stop_unit_done, 1185 MSG_SIMPLE_Q_TAG, 1186 /*start*/FALSE, 1187 /*load/eject*/0, 1188 /*immediate*/FALSE, 1189 MPS_SENSE_LEN, 1190 /*timeout*/10000); 1191 xpt_action(ccb); 1192 } 1193 } 1194 1195 /* 1196 * Wait until all of the SSU commands have completed or time has 1197 * expired (60 seconds). Pause for 100ms each time through. If any 1198 * command times out, the target will be reset in the SCSI command 1199 * timeout routine. 1200 */ 1201 getmicrotime(&start_time); 1202 while (sc->SSU_refcount) { 1203 pause("mpswait", hz/10); 1204 1205 getmicrotime(&cur_time); 1206 if ((cur_time.tv_sec - start_time.tv_sec) > 60) { 1207 mps_dprint(sc, MPS_FAULT, "Time has expired waiting " 1208 "for SSU commands to complete.\n"); 1209 break; 1210 } 1211 } 1212 } 1213 1214 static void 1215 mpssas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb) 1216 { 1217 struct mpssas_softc *sassc; 1218 char path_str[64]; 1219 1220 if (done_ccb == NULL) 1221 return; 1222 1223 sassc = (struct mpssas_softc *)done_ccb->ccb_h.ppriv_ptr1; 1224 1225 xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str)); 1226 mps_dprint(sassc->sc, MPS_INFO, "Completing stop unit for %s\n", 1227 path_str); 1228 1229 /* 1230 * Nothing more to do except free the CCB and path. If the command 1231 * timed out, an abort reset, then target reset will be issued during 1232 * the SCSI Command process. 1233 */ 1234 xpt_free_path(done_ccb->ccb_h.path); 1235 xpt_free_ccb(done_ccb); 1236 } 1237 1238 /** 1239 * mpssas_ir_shutdown - IR shutdown notification 1240 * @sc: per adapter object 1241 * 1242 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that 1243 * the host system is shutting down. 1244 * 1245 * Return nothing. 1246 */ 1247 void 1248 mpssas_ir_shutdown(struct mps_softc *sc) 1249 { 1250 u16 volume_mapping_flags; 1251 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1252 struct dev_mapping_table *mt_entry; 1253 u32 start_idx, end_idx; 1254 unsigned int id, found_volume = 0; 1255 struct mps_command *cm; 1256 Mpi2RaidActionRequest_t *action; 1257 target_id_t targetid; 1258 struct mpssas_target *target; 1259 1260 mps_dprint(sc, MPS_TRACE, "%s\n", __func__); 1261 1262 /* is IR firmware build loaded? */ 1263 if (!sc->ir_firmware) 1264 goto out; 1265 1266 /* are there any volumes? Look at IR target IDs. */ 1267 // TODO-later, this should be looked up in the RAID config structure 1268 // when it is implemented. 1269 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) & 1270 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; 1271 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) { 1272 start_idx = 0; 1273 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0) 1274 start_idx = 1; 1275 } else 1276 start_idx = sc->max_devices - sc->max_volumes; 1277 end_idx = start_idx + sc->max_volumes - 1; 1278 1279 for (id = start_idx; id < end_idx; id++) { 1280 mt_entry = &sc->mapping_table[id]; 1281 if ((mt_entry->physical_id != 0) && 1282 (mt_entry->missing_count == 0)) { 1283 found_volume = 1; 1284 break; 1285 } 1286 } 1287 1288 if (!found_volume) 1289 goto out; 1290 1291 if ((cm = mps_alloc_command(sc)) == NULL) { 1292 printf("%s: command alloc failed\n", __func__); 1293 goto out; 1294 } 1295 1296 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req; 1297 action->Function = MPI2_FUNCTION_RAID_ACTION; 1298 action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; 1299 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 1300 mps_lock(sc); 1301 mps_wait_command(sc, &cm, 5, CAN_SLEEP); 1302 mps_unlock(sc); 1303 1304 /* 1305 * Don't check for reply, just leave. 1306 */ 1307 if (cm) 1308 mps_free_command(sc, cm); 1309 1310 out: 1311 /* 1312 * All of the targets must have the correct value set for 1313 * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable. 1314 * 1315 * The possible values for the 'enable_ssu' variable are: 1316 * 0: disable to SSD and HDD 1317 * 1: disable only to HDD (default) 1318 * 2: disable only to SSD 1319 * 3: enable to SSD and HDD 1320 * anything else will default to 1. 1321 */ 1322 for (targetid = 0; targetid < sc->max_devices; targetid++) { 1323 target = &sc->sassc->targets[targetid]; 1324 if (target->handle == 0x0) { 1325 continue; 1326 } 1327 1328 if (target->supports_SSU) { 1329 switch (sc->enable_ssu) { 1330 case MPS_SSU_DISABLE_SSD_DISABLE_HDD: 1331 target->stop_at_shutdown = FALSE; 1332 break; 1333 case MPS_SSU_DISABLE_SSD_ENABLE_HDD: 1334 target->stop_at_shutdown = TRUE; 1335 if (target->flags & MPS_TARGET_IS_SATA_SSD) { 1336 target->stop_at_shutdown = FALSE; 1337 } 1338 break; 1339 case MPS_SSU_ENABLE_SSD_ENABLE_HDD: 1340 target->stop_at_shutdown = TRUE; 1341 break; 1342 case MPS_SSU_ENABLE_SSD_DISABLE_HDD: 1343 default: 1344 target->stop_at_shutdown = TRUE; 1345 if ((target->flags & 1346 MPS_TARGET_IS_SATA_SSD) == 0) { 1347 target->stop_at_shutdown = FALSE; 1348 } 1349 break; 1350 } 1351 } 1352 } 1353 mpssas_SSU_to_SATA_devices(sc); 1354 } 1355