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 #include <sys/reboot.h> 56 57 #include <machine/bus.h> 58 #include <machine/resource.h> 59 #include <sys/rman.h> 60 61 #include <machine/stdarg.h> 62 63 #include <cam/cam.h> 64 #include <cam/cam_ccb.h> 65 #include <cam/cam_debug.h> 66 #include <cam/cam_sim.h> 67 #include <cam/cam_xpt_sim.h> 68 #include <cam/cam_xpt_periph.h> 69 #include <cam/cam_periph.h> 70 #include <cam/scsi/scsi_all.h> 71 #include <cam/scsi/scsi_message.h> 72 73 #include <dev/mps/mpi/mpi2_type.h> 74 #include <dev/mps/mpi/mpi2.h> 75 #include <dev/mps/mpi/mpi2_ioc.h> 76 #include <dev/mps/mpi/mpi2_sas.h> 77 #include <dev/mps/mpi/mpi2_cnfg.h> 78 #include <dev/mps/mpi/mpi2_init.h> 79 #include <dev/mps/mpi/mpi2_raid.h> 80 #include <dev/mps/mpi/mpi2_tool.h> 81 #include <dev/mps/mps_ioctl.h> 82 #include <dev/mps/mpsvar.h> 83 #include <dev/mps/mps_table.h> 84 #include <dev/mps/mps_sas.h> 85 86 /* For Hashed SAS Address creation for SATA Drives */ 87 #define MPT2SAS_SN_LEN 20 88 #define MPT2SAS_MN_LEN 40 89 90 struct mps_fw_event_work { 91 u16 event; 92 void *event_data; 93 TAILQ_ENTRY(mps_fw_event_work) ev_link; 94 }; 95 96 union _sata_sas_address { 97 u8 wwid[8]; 98 struct { 99 u32 high; 100 u32 low; 101 } word; 102 }; 103 104 /* 105 * define the IDENTIFY DEVICE structure 106 */ 107 struct _ata_identify_device_data { 108 u16 reserved1[10]; /* 0-9 */ 109 u16 serial_number[10]; /* 10-19 */ 110 u16 reserved2[7]; /* 20-26 */ 111 u16 model_number[20]; /* 27-46*/ 112 u16 reserved3[170]; /* 47-216 */ 113 u16 rotational_speed; /* 217 */ 114 u16 reserved4[38]; /* 218-255 */ 115 }; 116 static u32 event_count; 117 static void mpssas_fw_work(struct mps_softc *sc, 118 struct mps_fw_event_work *fw_event); 119 static void mpssas_fw_event_free(struct mps_softc *, 120 struct mps_fw_event_work *); 121 static int mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate); 122 static int mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, 123 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, 124 u32 devinfo); 125 static void mpssas_ata_id_timeout(void *data); 126 int mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 127 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD); 128 static int mpssas_volume_add(struct mps_softc *sc, 129 u16 handle); 130 static void mpssas_SSU_to_SATA_devices(struct mps_softc *sc, int howto); 131 static void mpssas_stop_unit_done(struct cam_periph *periph, 132 union ccb *done_ccb); 133 134 void 135 mpssas_evt_handler(struct mps_softc *sc, uintptr_t data, 136 MPI2_EVENT_NOTIFICATION_REPLY *event) 137 { 138 struct mps_fw_event_work *fw_event; 139 u16 sz; 140 141 mps_dprint(sc, MPS_TRACE, "%s\n", __func__); 142 MPS_DPRINT_EVENT(sc, sas, event); 143 mpssas_record_event(sc, event); 144 145 fw_event = malloc(sizeof(struct mps_fw_event_work), M_MPT2, 146 M_ZERO|M_NOWAIT); 147 if (!fw_event) { 148 printf("%s: allocate failed for fw_event\n", __func__); 149 return; 150 } 151 sz = le16toh(event->EventDataLength) * 4; 152 fw_event->event_data = malloc(sz, M_MPT2, M_ZERO|M_NOWAIT); 153 if (!fw_event->event_data) { 154 printf("%s: allocate failed for event_data\n", __func__); 155 free(fw_event, M_MPT2); 156 return; 157 } 158 159 bcopy(event->EventData, fw_event->event_data, sz); 160 fw_event->event = event->Event; 161 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || 162 event->Event == MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE || 163 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) && 164 sc->track_mapping_events) 165 sc->pending_map_events++; 166 167 /* 168 * When wait_for_port_enable flag is set, make sure that all the events 169 * are processed. Increment the startup_refcount and decrement it after 170 * events are processed. 171 */ 172 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || 173 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) && 174 sc->wait_for_port_enable) 175 mpssas_startup_increment(sc->sassc); 176 177 TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link); 178 taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task); 179 180 } 181 182 static void 183 mpssas_fw_event_free(struct mps_softc *sc, struct mps_fw_event_work *fw_event) 184 { 185 186 free(fw_event->event_data, M_MPT2); 187 free(fw_event, M_MPT2); 188 } 189 190 /** 191 * _mps_fw_work - delayed task for processing firmware events 192 * @sc: per adapter object 193 * @fw_event: The fw_event_work object 194 * Context: user. 195 * 196 * Return nothing. 197 */ 198 static void 199 mpssas_fw_work(struct mps_softc *sc, struct mps_fw_event_work *fw_event) 200 { 201 struct mpssas_softc *sassc; 202 sassc = sc->sassc; 203 204 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Working on Event: [%x]\n", 205 event_count++,__func__,fw_event->event); 206 switch (fw_event->event) { 207 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: 208 { 209 MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data; 210 MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy; 211 int i; 212 213 data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *) 214 fw_event->event_data; 215 216 mps_mapping_topology_change_event(sc, fw_event->event_data); 217 218 for (i = 0; i < data->NumEntries; i++) { 219 phy = &data->PHY[i]; 220 switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) { 221 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: 222 if (mpssas_add_device(sc, 223 le16toh(phy->AttachedDevHandle), 224 phy->LinkRate)){ 225 mps_dprint(sc, MPS_ERROR, "%s: " 226 "failed to add device with handle " 227 "0x%x\n", __func__, 228 le16toh(phy->AttachedDevHandle)); 229 mpssas_prepare_remove(sassc, le16toh( 230 phy->AttachedDevHandle)); 231 } 232 break; 233 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: 234 mpssas_prepare_remove(sassc,le16toh( 235 phy->AttachedDevHandle)); 236 break; 237 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: 238 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: 239 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: 240 default: 241 break; 242 } 243 } 244 /* 245 * refcount was incremented for this event in 246 * mpssas_evt_handler. Decrement it here because the event has 247 * been processed. 248 */ 249 mpssas_startup_decrement(sassc); 250 break; 251 } 252 case MPI2_EVENT_SAS_DISCOVERY: 253 { 254 MPI2_EVENT_DATA_SAS_DISCOVERY *data; 255 256 data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data; 257 258 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED) 259 mps_dprint(sc, MPS_TRACE,"SAS discovery start event\n"); 260 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) { 261 mps_dprint(sc, MPS_TRACE,"SAS discovery stop event\n"); 262 sassc->flags &= ~MPSSAS_IN_DISCOVERY; 263 mpssas_discovery_end(sassc); 264 } 265 break; 266 } 267 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: 268 { 269 Mpi2EventDataSasEnclDevStatusChange_t *data; 270 data = (Mpi2EventDataSasEnclDevStatusChange_t *) 271 fw_event->event_data; 272 mps_mapping_enclosure_dev_status_change_event(sc, 273 fw_event->event_data); 274 break; 275 } 276 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: 277 { 278 Mpi2EventIrConfigElement_t *element; 279 int i; 280 u8 foreign_config; 281 Mpi2EventDataIrConfigChangeList_t *event_data; 282 struct mpssas_target *targ; 283 unsigned int id; 284 285 event_data = fw_event->event_data; 286 foreign_config = (le32toh(event_data->Flags) & 287 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; 288 289 element = 290 (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; 291 id = mps_mapping_get_raid_tid_from_handle(sc, 292 element->VolDevHandle); 293 294 mps_mapping_ir_config_change_event(sc, event_data); 295 296 for (i = 0; i < event_data->NumElements; i++, element++) { 297 switch (element->ReasonCode) { 298 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: 299 case MPI2_EVENT_IR_CHANGE_RC_ADDED: 300 if (!foreign_config) { 301 if (mpssas_volume_add(sc, 302 le16toh(element->VolDevHandle))){ 303 printf("%s: failed to add RAID " 304 "volume with handle 0x%x\n", 305 __func__, le16toh(element-> 306 VolDevHandle)); 307 } 308 } 309 break; 310 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: 311 case MPI2_EVENT_IR_CHANGE_RC_REMOVED: 312 /* 313 * Rescan after volume is deleted or removed. 314 */ 315 if (!foreign_config) { 316 if (id == MPS_MAP_BAD_ID) { 317 printf("%s: could not get ID " 318 "for volume with handle " 319 "0x%04x\n", __func__, 320 le16toh(element->VolDevHandle)); 321 break; 322 } 323 324 targ = &sassc->targets[id]; 325 targ->handle = 0x0; 326 targ->encl_slot = 0x0; 327 targ->encl_handle = 0x0; 328 targ->exp_dev_handle = 0x0; 329 targ->phy_num = 0x0; 330 targ->linkrate = 0x0; 331 mpssas_rescan_target(sc, targ); 332 printf("RAID target id 0x%x removed\n", 333 targ->tid); 334 } 335 break; 336 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: 337 case MPI2_EVENT_IR_CHANGE_RC_HIDE: 338 /* 339 * Phys Disk of a volume has been created. Hide 340 * it from the OS. 341 */ 342 targ = mpssas_find_target_by_handle(sassc, 0, 343 element->PhysDiskDevHandle); 344 if (targ == NULL) 345 break; 346 347 /* 348 * Set raid component flags only if it is not 349 * WD. OR WrapDrive with 350 * WD_HIDE_ALWAYS/WD_HIDE_IF_VOLUME is set in 351 * NVRAM 352 */ 353 if((!sc->WD_available) || 354 ((sc->WD_available && 355 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) || 356 (sc->WD_valid_config && (sc->WD_hide_expose == 357 MPS_WD_HIDE_IF_VOLUME)))) { 358 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 359 } 360 mpssas_rescan_target(sc, targ); 361 362 break; 363 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: 364 /* 365 * Phys Disk of a volume has been deleted. 366 * Expose it to the OS. 367 */ 368 if (mpssas_add_device(sc, 369 le16toh(element->PhysDiskDevHandle), 0)){ 370 printf("%s: failed to add device with " 371 "handle 0x%x\n", __func__, 372 le16toh(element->PhysDiskDevHandle)); 373 mpssas_prepare_remove(sassc, le16toh(element-> 374 PhysDiskDevHandle)); 375 } 376 break; 377 } 378 } 379 /* 380 * refcount was incremented for this event in 381 * mpssas_evt_handler. Decrement it here because the event has 382 * been processed. 383 */ 384 mpssas_startup_decrement(sassc); 385 break; 386 } 387 case MPI2_EVENT_IR_VOLUME: 388 { 389 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data; 390 391 /* 392 * Informational only. 393 */ 394 mps_dprint(sc, MPS_EVENT, "Received IR Volume event:\n"); 395 switch (event_data->ReasonCode) { 396 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED: 397 mps_dprint(sc, MPS_EVENT, " Volume Settings " 398 "changed from 0x%x to 0x%x for Volome with " 399 "handle 0x%x", le32toh(event_data->PreviousValue), 400 le32toh(event_data->NewValue), 401 le16toh(event_data->VolDevHandle)); 402 break; 403 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED: 404 mps_dprint(sc, MPS_EVENT, " Volume Status " 405 "changed from 0x%x to 0x%x for Volome with " 406 "handle 0x%x", le32toh(event_data->PreviousValue), 407 le32toh(event_data->NewValue), 408 le16toh(event_data->VolDevHandle)); 409 break; 410 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED: 411 mps_dprint(sc, MPS_EVENT, " Volume State " 412 "changed from 0x%x to 0x%x for Volome with " 413 "handle 0x%x", le32toh(event_data->PreviousValue), 414 le32toh(event_data->NewValue), 415 le16toh(event_data->VolDevHandle)); 416 u32 state; 417 struct mpssas_target *targ; 418 state = le32toh(event_data->NewValue); 419 switch (state) { 420 case MPI2_RAID_VOL_STATE_MISSING: 421 case MPI2_RAID_VOL_STATE_FAILED: 422 mpssas_prepare_volume_remove(sassc, event_data-> 423 VolDevHandle); 424 break; 425 426 case MPI2_RAID_VOL_STATE_ONLINE: 427 case MPI2_RAID_VOL_STATE_DEGRADED: 428 case MPI2_RAID_VOL_STATE_OPTIMAL: 429 targ = mpssas_find_target_by_handle(sassc, 0, event_data->VolDevHandle); 430 if (targ) { 431 printf("%s %d: Volume handle 0x%x is already added \n", 432 __func__, __LINE__ , event_data->VolDevHandle); 433 break; 434 } 435 if (mpssas_volume_add(sc, le16toh(event_data->VolDevHandle))) { 436 printf("%s: failed to add RAID " 437 "volume with handle 0x%x\n", 438 __func__, le16toh(event_data-> 439 VolDevHandle)); 440 } 441 break; 442 default: 443 break; 444 } 445 break; 446 default: 447 break; 448 } 449 break; 450 } 451 case MPI2_EVENT_IR_PHYSICAL_DISK: 452 { 453 Mpi2EventDataIrPhysicalDisk_t *event_data = 454 fw_event->event_data; 455 struct mpssas_target *targ; 456 457 /* 458 * Informational only. 459 */ 460 mps_dprint(sc, MPS_EVENT, "Received IR Phys Disk event:\n"); 461 switch (event_data->ReasonCode) { 462 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED: 463 mps_dprint(sc, MPS_EVENT, " Phys Disk Settings " 464 "changed from 0x%x to 0x%x for Phys Disk Number " 465 "%d and handle 0x%x at Enclosure handle 0x%x, Slot " 466 "%d", le32toh(event_data->PreviousValue), 467 le32toh(event_data->NewValue), 468 event_data->PhysDiskNum, 469 le16toh(event_data->PhysDiskDevHandle), 470 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 471 break; 472 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED: 473 mps_dprint(sc, MPS_EVENT, " Phys Disk Status changed " 474 "from 0x%x to 0x%x for Phys Disk Number %d and " 475 "handle 0x%x at Enclosure handle 0x%x, Slot %d", 476 le32toh(event_data->PreviousValue), 477 le32toh(event_data->NewValue), event_data->PhysDiskNum, 478 le16toh(event_data->PhysDiskDevHandle), 479 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 480 break; 481 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED: 482 mps_dprint(sc, MPS_EVENT, " Phys Disk State changed " 483 "from 0x%x to 0x%x for Phys Disk Number %d and " 484 "handle 0x%x at Enclosure handle 0x%x, Slot %d", 485 le32toh(event_data->PreviousValue), 486 le32toh(event_data->NewValue), event_data->PhysDiskNum, 487 le16toh(event_data->PhysDiskDevHandle), 488 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 489 switch (event_data->NewValue) { 490 case MPI2_RAID_PD_STATE_ONLINE: 491 case MPI2_RAID_PD_STATE_DEGRADED: 492 case MPI2_RAID_PD_STATE_REBUILDING: 493 case MPI2_RAID_PD_STATE_OPTIMAL: 494 case MPI2_RAID_PD_STATE_HOT_SPARE: 495 targ = mpssas_find_target_by_handle(sassc, 0, 496 event_data->PhysDiskDevHandle); 497 if (targ) { 498 if(!sc->WD_available) { 499 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 500 printf("%s %d: Found Target for handle 0x%x. \n", 501 __func__, __LINE__ , event_data->PhysDiskDevHandle); 502 } else if ((sc->WD_available && 503 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) || 504 (sc->WD_valid_config && (sc->WD_hide_expose == 505 MPS_WD_HIDE_IF_VOLUME))) { 506 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 507 printf("%s %d: WD: Found Target for handle 0x%x. \n", 508 __func__, __LINE__ , event_data->PhysDiskDevHandle); 509 } 510 } 511 break; 512 case MPI2_RAID_PD_STATE_OFFLINE: 513 case MPI2_RAID_PD_STATE_NOT_CONFIGURED: 514 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: 515 default: 516 targ = mpssas_find_target_by_handle(sassc, 0, 517 event_data->PhysDiskDevHandle); 518 if (targ) { 519 targ->flags |= ~MPS_TARGET_FLAGS_RAID_COMPONENT; 520 printf("%s %d: Found Target for handle 0x%x. \n", 521 __func__, __LINE__ , event_data->PhysDiskDevHandle); 522 } 523 break; 524 } 525 default: 526 break; 527 } 528 break; 529 } 530 case MPI2_EVENT_IR_OPERATION_STATUS: 531 { 532 Mpi2EventDataIrOperationStatus_t *event_data = 533 fw_event->event_data; 534 535 /* 536 * Informational only. 537 */ 538 mps_dprint(sc, MPS_EVENT, "Received IR Op Status event:\n"); 539 mps_dprint(sc, MPS_EVENT, " RAID Operation of %d is %d " 540 "percent complete for Volume with handle 0x%x", 541 event_data->RAIDOperation, event_data->PercentComplete, 542 le16toh(event_data->VolDevHandle)); 543 break; 544 } 545 case MPI2_EVENT_LOG_ENTRY_ADDED: 546 { 547 pMpi2EventDataLogEntryAdded_t logEntry; 548 uint16_t logQualifier; 549 uint8_t logCode; 550 551 logEntry = (pMpi2EventDataLogEntryAdded_t)fw_event->event_data; 552 logQualifier = logEntry->LogEntryQualifier; 553 554 if (logQualifier == MPI2_WD_LOG_ENTRY) { 555 logCode = logEntry->LogData[0]; 556 557 switch (logCode) { 558 case MPI2_WD_SSD_THROTTLING: 559 printf("WarpDrive Warning: IO Throttling has " 560 "occurred in the WarpDrive subsystem. " 561 "Check WarpDrive documentation for " 562 "additional details\n"); 563 break; 564 case MPI2_WD_DRIVE_LIFE_WARN: 565 printf("WarpDrive Warning: Program/Erase " 566 "Cycles for the WarpDrive subsystem in " 567 "degraded range. Check WarpDrive " 568 "documentation for additional details\n"); 569 break; 570 case MPI2_WD_DRIVE_LIFE_DEAD: 571 printf("WarpDrive Fatal Error: There are no " 572 "Program/Erase Cycles for the WarpDrive " 573 "subsystem. The storage device will be in " 574 "read-only mode. Check WarpDrive " 575 "documentation for additional details\n"); 576 break; 577 case MPI2_WD_RAIL_MON_FAIL: 578 printf("WarpDrive Fatal Error: The Backup Rail " 579 "Monitor has failed on the WarpDrive " 580 "subsystem. Check WarpDrive documentation " 581 "for additional details\n"); 582 break; 583 default: 584 break; 585 } 586 } 587 break; 588 } 589 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: 590 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: 591 default: 592 mps_dprint(sc, MPS_TRACE,"Unhandled event 0x%0X\n", 593 fw_event->event); 594 break; 595 596 } 597 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Event Free: [%x]\n",event_count,__func__, fw_event->event); 598 mpssas_fw_event_free(sc, fw_event); 599 } 600 601 void 602 mpssas_firmware_event_work(void *arg, int pending) 603 { 604 struct mps_fw_event_work *fw_event; 605 struct mps_softc *sc; 606 607 sc = (struct mps_softc *)arg; 608 mps_lock(sc); 609 while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) { 610 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link); 611 mpssas_fw_work(sc, fw_event); 612 } 613 mps_unlock(sc); 614 } 615 616 static int 617 mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate){ 618 char devstring[80]; 619 struct mpssas_softc *sassc; 620 struct mpssas_target *targ; 621 Mpi2ConfigReply_t mpi_reply; 622 Mpi2SasDevicePage0_t config_page; 623 uint64_t sas_address; 624 uint64_t parent_sas_address = 0; 625 u32 device_info, parent_devinfo = 0; 626 unsigned int id; 627 int ret = 1, error = 0, i; 628 struct mpssas_lun *lun; 629 u8 is_SATA_SSD = 0; 630 struct mps_command *cm; 631 632 sassc = sc->sassc; 633 mpssas_startup_increment(sassc); 634 if (mps_config_get_sas_device_pg0(sc, &mpi_reply, &config_page, 635 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle) != 0) { 636 mps_dprint(sc, MPS_INFO|MPS_MAPPING|MPS_FAULT, 637 "Error reading SAS device %#x page0, iocstatus= 0x%x\n", 638 handle, mpi_reply.IOCStatus); 639 error = ENXIO; 640 goto out; 641 } 642 643 device_info = le32toh(config_page.DeviceInfo); 644 645 if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) 646 && (le16toh(config_page.ParentDevHandle) != 0)) { 647 Mpi2ConfigReply_t tmp_mpi_reply; 648 Mpi2SasDevicePage0_t parent_config_page; 649 650 if (mps_config_get_sas_device_pg0(sc, &tmp_mpi_reply, 651 &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, 652 le16toh(config_page.ParentDevHandle)) != 0) { 653 mps_dprint(sc, MPS_MAPPING|MPS_FAULT, 654 "Error reading parent SAS device %#x page0, " 655 "iocstatus= 0x%x\n", 656 le16toh(config_page.ParentDevHandle), 657 tmp_mpi_reply.IOCStatus); 658 } else { 659 parent_sas_address = parent_config_page.SASAddress.High; 660 parent_sas_address = (parent_sas_address << 32) | 661 parent_config_page.SASAddress.Low; 662 parent_devinfo = le32toh(parent_config_page.DeviceInfo); 663 } 664 } 665 /* TODO Check proper endianness */ 666 sas_address = config_page.SASAddress.High; 667 sas_address = (sas_address << 32) | config_page.SASAddress.Low; 668 mps_dprint(sc, MPS_MAPPING, "Handle 0x%04x SAS Address from SAS device " 669 "page0 = %jx\n", handle, sas_address); 670 671 /* 672 * Always get SATA Identify information because this is used to 673 * determine if Start/Stop Unit should be sent to the drive when the 674 * system is shutdown. 675 */ 676 if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) { 677 ret = mpssas_get_sas_address_for_sata_disk(sc, &sas_address, 678 handle, device_info, &is_SATA_SSD); 679 if (ret) { 680 mps_dprint(sc, MPS_MAPPING|MPS_ERROR, 681 "%s: failed to get disk type (SSD or HDD) for SATA " 682 "device with handle 0x%04x\n", 683 __func__, handle); 684 } else { 685 mps_dprint(sc, MPS_MAPPING, "Handle 0x%04x SAS Address " 686 "from SATA device = %jx\n", handle, sas_address); 687 } 688 } 689 690 /* 691 * use_phynum: 692 * 1 - use the PhyNum field as a fallback to the mapping logic 693 * 0 - never use the PhyNum field 694 * -1 - only use the PhyNum field 695 * 696 * Note that using the Phy number to map a device can cause device adds 697 * to fail if multiple enclosures/expanders are in the topology. For 698 * example, if two devices are in the same slot number in two different 699 * enclosures within the topology, only one of those devices will be 700 * added. PhyNum mapping should not be used if multiple enclosures are 701 * in the topology. 702 */ 703 id = MPS_MAP_BAD_ID; 704 if (sc->use_phynum != -1) 705 id = mps_mapping_get_tid(sc, sas_address, handle); 706 if (id == MPS_MAP_BAD_ID) { 707 if ((sc->use_phynum == 0) 708 || ((id = config_page.PhyNum) > sassc->maxtargets)) { 709 mps_dprint(sc, MPS_INFO, "failure at %s:%d/%s()! " 710 "Could not get ID for device with handle 0x%04x\n", 711 __FILE__, __LINE__, __func__, handle); 712 error = ENXIO; 713 goto out; 714 } 715 } 716 mps_dprint(sc, MPS_MAPPING, "%s: Target ID for added device is %d.\n", 717 __func__, id); 718 719 /* 720 * Only do the ID check and reuse check if the target is not from a 721 * RAID Component. For Physical Disks of a Volume, the ID will be reused 722 * when a volume is deleted because the mapping entry for the PD will 723 * still be in the mapping table. The ID check should not be done here 724 * either since this PD is already being used. 725 */ 726 targ = &sassc->targets[id]; 727 if (!(targ->flags & MPS_TARGET_FLAGS_RAID_COMPONENT)) { 728 if (mpssas_check_id(sassc, id) != 0) { 729 mps_dprint(sc, MPS_MAPPING|MPS_INFO, 730 "Excluding target id %d\n", id); 731 error = ENXIO; 732 goto out; 733 } 734 735 if (targ->handle != 0x0) { 736 mps_dprint(sc, MPS_MAPPING, "Attempting to reuse " 737 "target id %d handle 0x%04x\n", id, targ->handle); 738 error = ENXIO; 739 goto out; 740 } 741 } 742 743 targ->devinfo = device_info; 744 targ->devname = le32toh(config_page.DeviceName.High); 745 targ->devname = (targ->devname << 32) | 746 le32toh(config_page.DeviceName.Low); 747 targ->encl_handle = le16toh(config_page.EnclosureHandle); 748 targ->encl_slot = le16toh(config_page.Slot); 749 targ->handle = handle; 750 targ->parent_handle = le16toh(config_page.ParentDevHandle); 751 targ->sasaddr = mps_to_u64(&config_page.SASAddress); 752 targ->parent_sasaddr = le64toh(parent_sas_address); 753 targ->parent_devinfo = parent_devinfo; 754 targ->tid = id; 755 targ->linkrate = (linkrate>>4); 756 targ->flags = 0; 757 if (is_SATA_SSD) { 758 targ->flags = MPS_TARGET_IS_SATA_SSD; 759 } 760 TAILQ_INIT(&targ->commands); 761 TAILQ_INIT(&targ->timedout_commands); 762 while(!SLIST_EMPTY(&targ->luns)) { 763 lun = SLIST_FIRST(&targ->luns); 764 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 765 free(lun, M_MPT2); 766 } 767 SLIST_INIT(&targ->luns); 768 769 mps_describe_devinfo(targ->devinfo, devstring, 80); 770 mps_dprint(sc, MPS_MAPPING, "Found device <%s> <%s> <0x%04x> <%d/%d>\n", 771 devstring, mps_describe_table(mps_linkrate_names, targ->linkrate), 772 targ->handle, targ->encl_handle, targ->encl_slot); 773 774 #if __FreeBSD_version < 1000039 775 if ((sassc->flags & MPSSAS_IN_STARTUP) == 0) 776 #endif 777 mpssas_rescan_target(sc, targ); 778 mps_dprint(sc, MPS_MAPPING, "Target id 0x%x added\n", targ->tid); 779 780 /* 781 * Check all commands to see if the SATA_ID_TIMEOUT flag has been set. 782 * If so, send a Target Reset TM to the target that was just created. 783 * An Abort Task TM should be used instead of a Target Reset, but that 784 * would be much more difficult because targets have not been fully 785 * discovered yet, and LUN's haven't been setup. So, just reset the 786 * target instead of the LUN. 787 */ 788 for (i = 1; i < sc->num_reqs; i++) { 789 cm = &sc->commands[i]; 790 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) { 791 targ->timeouts++; 792 cm->cm_state = MPS_CM_STATE_TIMEDOUT; 793 794 if ((targ->tm = mpssas_alloc_tm(sc)) != NULL) { 795 mps_dprint(sc, MPS_INFO, "%s: sending Target " 796 "Reset for stuck SATA identify command " 797 "(cm = %p)\n", __func__, cm); 798 targ->tm->cm_targ = targ; 799 mpssas_send_reset(sc, targ->tm, 800 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET); 801 } else { 802 mps_dprint(sc, MPS_ERROR, "Failed to allocate " 803 "tm for Target Reset after SATA ID command " 804 "timed out (cm %p)\n", cm); 805 } 806 /* 807 * No need to check for more since the target is 808 * already being reset. 809 */ 810 break; 811 } 812 } 813 out: 814 /* 815 * Free the commands that may not have been freed from the SATA ID call 816 */ 817 for (i = 1; i < sc->num_reqs; i++) { 818 cm = &sc->commands[i]; 819 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) { 820 mps_free_command(sc, cm); 821 } 822 } 823 mpssas_startup_decrement(sassc); 824 return (error); 825 } 826 827 int 828 mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 829 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD) 830 { 831 Mpi2SataPassthroughReply_t mpi_reply; 832 int i, rc, try_count; 833 u32 *bufferptr; 834 union _sata_sas_address hash_address; 835 struct _ata_identify_device_data ata_identify; 836 u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN]; 837 u32 ioc_status; 838 u8 sas_status; 839 840 memset(&ata_identify, 0, sizeof(ata_identify)); 841 try_count = 0; 842 do { 843 rc = mpssas_get_sata_identify(sc, handle, &mpi_reply, 844 (char *)&ata_identify, sizeof(ata_identify), device_info); 845 try_count++; 846 ioc_status = le16toh(mpi_reply.IOCStatus) 847 & MPI2_IOCSTATUS_MASK; 848 sas_status = mpi_reply.SASStatus; 849 switch (ioc_status) { 850 case MPI2_IOCSTATUS_SUCCESS: 851 break; 852 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: 853 /* No sense sleeping. this error won't get better */ 854 break; 855 default: 856 if (sc->spinup_wait_time > 0) { 857 mps_dprint(sc, MPS_INFO, "Sleeping %d seconds " 858 "after SATA ID error to wait for spinup\n", 859 sc->spinup_wait_time); 860 msleep(&sc->msleep_fake_chan, &sc->mps_mtx, 0, 861 "mpsid", sc->spinup_wait_time * hz); 862 } 863 } 864 } while (((rc && (rc != EWOULDBLOCK)) || 865 (ioc_status && 866 (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR)) 867 || sas_status) && (try_count < 5)); 868 869 if (rc == 0 && !ioc_status && !sas_status) { 870 mps_dprint(sc, MPS_MAPPING, "%s: got SATA identify " 871 "successfully for handle = 0x%x with try_count = %d\n", 872 __func__, handle, try_count); 873 } else { 874 mps_dprint(sc, MPS_MAPPING, "%s: handle = 0x%x failed\n", 875 __func__, handle); 876 return -1; 877 } 878 /* Copy & byteswap the 40 byte model number to a buffer */ 879 for (i = 0; i < MPT2SAS_MN_LEN; i += 2) { 880 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1]; 881 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i]; 882 } 883 /* Copy & byteswap the 20 byte serial number to a buffer */ 884 for (i = 0; i < MPT2SAS_SN_LEN; i += 2) { 885 buffer[MPT2SAS_MN_LEN + i] = 886 ((u8 *)ata_identify.serial_number)[i + 1]; 887 buffer[MPT2SAS_MN_LEN + i + 1] = 888 ((u8 *)ata_identify.serial_number)[i]; 889 } 890 bufferptr = (u32 *)buffer; 891 /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8, 892 * so loop through the first 56 bytes (7*8), 893 * and then add in the last dword. 894 */ 895 hash_address.word.low = 0; 896 hash_address.word.high = 0; 897 for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) { 898 hash_address.word.low += *bufferptr; 899 bufferptr++; 900 hash_address.word.high += *bufferptr; 901 bufferptr++; 902 } 903 /* Add the last dword */ 904 hash_address.word.low += *bufferptr; 905 /* Make sure the hash doesn't start with 5, because it could clash 906 * with a SAS address. Change 5 to a D. 907 */ 908 if ((hash_address.word.high & 0x000000F0) == (0x00000050)) 909 hash_address.word.high |= 0x00000080; 910 *sas_address = (u64)hash_address.wwid[0] << 56 | 911 (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 | 912 (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 | 913 (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] << 8 | 914 (u64)hash_address.wwid[7]; 915 if (ata_identify.rotational_speed == 1) { 916 *is_SATA_SSD = 1; 917 } 918 919 return 0; 920 } 921 922 static int 923 mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, 924 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo) 925 { 926 Mpi2SataPassthroughRequest_t *mpi_request; 927 Mpi2SataPassthroughReply_t *reply = NULL; 928 struct mps_command *cm; 929 char *buffer; 930 int error = 0; 931 932 buffer = malloc( sz, M_MPT2, M_NOWAIT | M_ZERO); 933 if (!buffer) 934 return ENOMEM; 935 936 if ((cm = mps_alloc_command(sc)) == NULL) { 937 free(buffer, M_MPT2); 938 return (EBUSY); 939 } 940 mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req; 941 bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST)); 942 mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH; 943 mpi_request->VF_ID = 0; 944 mpi_request->DevHandle = htole16(handle); 945 mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO | 946 MPI2_SATA_PT_REQ_PT_FLAGS_READ); 947 mpi_request->DataLength = htole32(sz); 948 mpi_request->CommandFIS[0] = 0x27; 949 mpi_request->CommandFIS[1] = 0x80; 950 mpi_request->CommandFIS[2] = (devinfo & 951 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC; 952 cm->cm_sge = &mpi_request->SGL; 953 cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION); 954 cm->cm_flags = MPS_CM_FLAGS_SGE_SIMPLE | MPS_CM_FLAGS_DATAIN; 955 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 956 cm->cm_data = buffer; 957 cm->cm_length = htole32(sz); 958 959 /* 960 * Start a timeout counter specifically for the SATA ID command. This 961 * is used to fix a problem where the FW does not send a reply sometimes 962 * when a bad disk is in the topology. So, this is used to timeout the 963 * command so that processing can continue normally. 964 */ 965 mps_dprint(sc, MPS_XINFO, "%s start timeout counter for SATA ID " 966 "command\n", __func__); 967 callout_reset(&cm->cm_callout, MPS_ATA_ID_TIMEOUT * hz, 968 mpssas_ata_id_timeout, cm); 969 error = mps_wait_command(sc, &cm, 60, CAN_SLEEP); 970 mps_dprint(sc, MPS_XINFO, "%s stop timeout counter for SATA ID " 971 "command\n", __func__); 972 /* XXX KDM need to fix the case where this command is destroyed */ 973 callout_stop(&cm->cm_callout); 974 975 if (cm != NULL) 976 reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply; 977 if (error || (reply == NULL)) { 978 /* FIXME */ 979 /* 980 * If the request returns an error then we need to do a diag 981 * reset 982 */ 983 mps_dprint(sc, MPS_INFO|MPS_FAULT|MPS_MAPPING, 984 "Request for SATA PASSTHROUGH page completed with error %d", 985 error); 986 error = ENXIO; 987 goto out; 988 } 989 bcopy(buffer, id_buffer, sz); 990 bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t)); 991 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) != 992 MPI2_IOCSTATUS_SUCCESS) { 993 mps_dprint(sc, MPS_INFO|MPS_MAPPING|MPS_FAULT, 994 "Error reading device %#x SATA PASSTHRU; iocstatus= 0x%x\n", 995 handle, reply->IOCStatus); 996 error = ENXIO; 997 goto out; 998 } 999 out: 1000 /* 1001 * If the SATA_ID_TIMEOUT flag has been set for this command, don't free 1002 * it. The command will be freed after sending a target reset TM. If 1003 * the command did timeout, use EWOULDBLOCK. 1004 */ 1005 if ((cm != NULL) 1006 && (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) == 0) 1007 mps_free_command(sc, cm); 1008 else if (error == 0) 1009 error = EWOULDBLOCK; 1010 free(buffer, M_MPT2); 1011 return (error); 1012 } 1013 1014 static void 1015 mpssas_ata_id_timeout(void *data) 1016 { 1017 struct mps_softc *sc; 1018 struct mps_command *cm; 1019 1020 cm = (struct mps_command *)data; 1021 sc = cm->cm_sc; 1022 mtx_assert(&sc->mps_mtx, MA_OWNED); 1023 1024 mps_dprint(sc, MPS_INFO, "%s checking ATA ID command %p sc %p\n", 1025 __func__, cm, sc); 1026 if ((callout_pending(&cm->cm_callout)) || 1027 (!callout_active(&cm->cm_callout))) { 1028 mps_dprint(sc, MPS_INFO, "%s ATA ID command almost timed out\n", 1029 __func__); 1030 return; 1031 } 1032 callout_deactivate(&cm->cm_callout); 1033 1034 /* 1035 * Run the interrupt handler to make sure it's not pending. This 1036 * isn't perfect because the command could have already completed 1037 * and been re-used, though this is unlikely. 1038 */ 1039 mps_intr_locked(sc); 1040 if (cm->cm_state == MPS_CM_STATE_FREE) { 1041 mps_dprint(sc, MPS_INFO, "%s ATA ID command almost timed out\n", 1042 __func__); 1043 return; 1044 } 1045 1046 mps_dprint(sc, MPS_INFO, "ATA ID command timeout cm %p\n", cm); 1047 1048 /* 1049 * Send wakeup() to the sleeping thread that issued this ATA ID command. 1050 * wakeup() will cause msleep to return a 0 (not EWOULDBLOCK), and this 1051 * will keep reinit() from being called. This way, an Abort Task TM can 1052 * be issued so that the timed out command can be cleared. The Abort 1053 * Task cannot be sent from here because the driver has not completed 1054 * setting up targets. Instead, the command is flagged so that special 1055 * handling will be used to send the abort. 1056 */ 1057 cm->cm_flags |= MPS_CM_FLAGS_SATA_ID_TIMEOUT; 1058 wakeup(cm); 1059 } 1060 1061 static int 1062 mpssas_volume_add(struct mps_softc *sc, u16 handle) 1063 { 1064 struct mpssas_softc *sassc; 1065 struct mpssas_target *targ; 1066 u64 wwid; 1067 unsigned int id; 1068 int error = 0; 1069 struct mpssas_lun *lun; 1070 1071 sassc = sc->sassc; 1072 mpssas_startup_increment(sassc); 1073 /* wwid is endian safe */ 1074 mps_config_get_volume_wwid(sc, handle, &wwid); 1075 if (!wwid) { 1076 printf("%s: invalid WWID; cannot add volume to mapping table\n", 1077 __func__); 1078 error = ENXIO; 1079 goto out; 1080 } 1081 1082 id = mps_mapping_get_raid_tid(sc, wwid, handle); 1083 if (id == MPS_MAP_BAD_ID) { 1084 printf("%s: could not get ID for volume with handle 0x%04x and " 1085 "WWID 0x%016llx\n", __func__, handle, 1086 (unsigned long long)wwid); 1087 error = ENXIO; 1088 goto out; 1089 } 1090 1091 targ = &sassc->targets[id]; 1092 targ->tid = id; 1093 targ->handle = handle; 1094 targ->devname = wwid; 1095 TAILQ_INIT(&targ->commands); 1096 TAILQ_INIT(&targ->timedout_commands); 1097 while(!SLIST_EMPTY(&targ->luns)) { 1098 lun = SLIST_FIRST(&targ->luns); 1099 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 1100 free(lun, M_MPT2); 1101 } 1102 SLIST_INIT(&targ->luns); 1103 #if __FreeBSD_version < 1000039 1104 if ((sassc->flags & MPSSAS_IN_STARTUP) == 0) 1105 #endif 1106 mpssas_rescan_target(sc, targ); 1107 mps_dprint(sc, MPS_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n", 1108 targ->tid, wwid); 1109 out: 1110 mpssas_startup_decrement(sassc); 1111 return (error); 1112 } 1113 1114 /** 1115 * mpssas_SSU_to_SATA_devices 1116 * @sc: per adapter object 1117 * 1118 * Looks through the target list and issues a StartStopUnit SCSI command to each 1119 * SATA direct-access device. This helps to ensure that data corruption is 1120 * avoided when the system is being shut down. This must be called after the IR 1121 * System Shutdown RAID Action is sent if in IR mode. 1122 * 1123 * Return nothing. 1124 */ 1125 static void 1126 mpssas_SSU_to_SATA_devices(struct mps_softc *sc, int howto) 1127 { 1128 struct mpssas_softc *sassc = sc->sassc; 1129 union ccb *ccb; 1130 path_id_t pathid = cam_sim_path(sassc->sim); 1131 target_id_t targetid; 1132 struct mpssas_target *target; 1133 char path_str[64]; 1134 int timeout; 1135 1136 /* 1137 * For each target, issue a StartStopUnit command to stop the device. 1138 */ 1139 sc->SSU_started = TRUE; 1140 sc->SSU_refcount = 0; 1141 for (targetid = 0; targetid < sc->max_devices; targetid++) { 1142 target = &sassc->targets[targetid]; 1143 if (target->handle == 0x0) { 1144 continue; 1145 } 1146 1147 ccb = xpt_alloc_ccb_nowait(); 1148 if (ccb == NULL) { 1149 mps_dprint(sc, MPS_FAULT, "Unable to alloc CCB to stop " 1150 "unit.\n"); 1151 return; 1152 } 1153 1154 /* 1155 * The stop_at_shutdown flag will be set if this device is 1156 * a SATA direct-access end device. 1157 */ 1158 if (target->stop_at_shutdown) { 1159 if (xpt_create_path(&ccb->ccb_h.path, 1160 xpt_periph, pathid, targetid, 1161 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1162 mps_dprint(sc, MPS_FAULT, "Unable to create " 1163 "LUN path to stop unit.\n"); 1164 xpt_free_ccb(ccb); 1165 return; 1166 } 1167 xpt_path_string(ccb->ccb_h.path, path_str, 1168 sizeof(path_str)); 1169 1170 mps_dprint(sc, MPS_INFO, "Sending StopUnit: path %s " 1171 "handle %d\n", path_str, target->handle); 1172 1173 /* 1174 * Issue a START STOP UNIT command for the target. 1175 * Increment the SSU counter to be used to count the 1176 * number of required replies. 1177 */ 1178 mps_dprint(sc, MPS_INFO, "Incrementing SSU count\n"); 1179 sc->SSU_refcount++; 1180 ccb->ccb_h.target_id = 1181 xpt_path_target_id(ccb->ccb_h.path); 1182 ccb->ccb_h.ppriv_ptr1 = sassc; 1183 scsi_start_stop(&ccb->csio, 1184 /*retries*/0, 1185 mpssas_stop_unit_done, 1186 MSG_SIMPLE_Q_TAG, 1187 /*start*/FALSE, 1188 /*load/eject*/0, 1189 /*immediate*/FALSE, 1190 MPS_SENSE_LEN, 1191 /*timeout*/10000); 1192 xpt_action(ccb); 1193 } 1194 } 1195 1196 /* 1197 * Timeout after 60 seconds by default or 10 seconds if howto has 1198 * RB_NOSYNC set which indicates we're likely handling a panic. 1199 */ 1200 timeout = 600; 1201 if (howto & RB_NOSYNC) 1202 timeout = 100; 1203 1204 /* 1205 * Wait until all of the SSU commands have completed or timeout has 1206 * expired. Pause for 100ms each time through. If any command 1207 * times out, the target will be reset in the SCSI command timeout 1208 * routine. 1209 */ 1210 while (sc->SSU_refcount > 0) { 1211 pause("mpswait", hz/10); 1212 1213 if (--timeout == 0) { 1214 mps_dprint(sc, MPS_FAULT, "Time has expired waiting " 1215 "for SSU commands to complete.\n"); 1216 break; 1217 } 1218 } 1219 } 1220 1221 static void 1222 mpssas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb) 1223 { 1224 struct mpssas_softc *sassc; 1225 char path_str[64]; 1226 1227 if (done_ccb == NULL) 1228 return; 1229 1230 sassc = (struct mpssas_softc *)done_ccb->ccb_h.ppriv_ptr1; 1231 1232 xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str)); 1233 mps_dprint(sassc->sc, MPS_INFO, "Completing stop unit for %s\n", 1234 path_str); 1235 1236 /* 1237 * Nothing more to do except free the CCB and path. If the command 1238 * timed out, an abort reset, then target reset will be issued during 1239 * the SCSI Command process. 1240 */ 1241 xpt_free_path(done_ccb->ccb_h.path); 1242 xpt_free_ccb(done_ccb); 1243 } 1244 1245 /** 1246 * mpssas_ir_shutdown - IR shutdown notification 1247 * @sc: per adapter object 1248 * 1249 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that 1250 * the host system is shutting down. 1251 * 1252 * Return nothing. 1253 */ 1254 void 1255 mpssas_ir_shutdown(struct mps_softc *sc, int howto) 1256 { 1257 u16 volume_mapping_flags; 1258 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1259 struct dev_mapping_table *mt_entry; 1260 u32 start_idx, end_idx; 1261 unsigned int id, found_volume = 0; 1262 struct mps_command *cm; 1263 Mpi2RaidActionRequest_t *action; 1264 target_id_t targetid; 1265 struct mpssas_target *target; 1266 1267 mps_dprint(sc, MPS_TRACE, "%s\n", __func__); 1268 1269 /* is IR firmware build loaded? */ 1270 if (!sc->ir_firmware) 1271 goto out; 1272 1273 /* are there any volumes? Look at IR target IDs. */ 1274 // TODO-later, this should be looked up in the RAID config structure 1275 // when it is implemented. 1276 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) & 1277 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; 1278 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) { 1279 start_idx = 0; 1280 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0) 1281 start_idx = 1; 1282 } else 1283 start_idx = sc->max_devices - sc->max_volumes; 1284 end_idx = start_idx + sc->max_volumes - 1; 1285 1286 for (id = start_idx; id < end_idx; id++) { 1287 mt_entry = &sc->mapping_table[id]; 1288 if ((mt_entry->physical_id != 0) && 1289 (mt_entry->missing_count == 0)) { 1290 found_volume = 1; 1291 break; 1292 } 1293 } 1294 1295 if (!found_volume) 1296 goto out; 1297 1298 if ((cm = mps_alloc_command(sc)) == NULL) { 1299 printf("%s: command alloc failed\n", __func__); 1300 goto out; 1301 } 1302 1303 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req; 1304 action->Function = MPI2_FUNCTION_RAID_ACTION; 1305 action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; 1306 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 1307 mps_lock(sc); 1308 mps_wait_command(sc, &cm, 5, CAN_SLEEP); 1309 mps_unlock(sc); 1310 1311 /* 1312 * Don't check for reply, just leave. 1313 */ 1314 if (cm) 1315 mps_free_command(sc, cm); 1316 1317 out: 1318 /* 1319 * All of the targets must have the correct value set for 1320 * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable. 1321 * 1322 * The possible values for the 'enable_ssu' variable are: 1323 * 0: disable to SSD and HDD 1324 * 1: disable only to HDD (default) 1325 * 2: disable only to SSD 1326 * 3: enable to SSD and HDD 1327 * anything else will default to 1. 1328 */ 1329 for (targetid = 0; targetid < sc->max_devices; targetid++) { 1330 target = &sc->sassc->targets[targetid]; 1331 if (target->handle == 0x0) { 1332 continue; 1333 } 1334 1335 if (target->supports_SSU) { 1336 switch (sc->enable_ssu) { 1337 case MPS_SSU_DISABLE_SSD_DISABLE_HDD: 1338 target->stop_at_shutdown = FALSE; 1339 break; 1340 case MPS_SSU_DISABLE_SSD_ENABLE_HDD: 1341 target->stop_at_shutdown = TRUE; 1342 if (target->flags & MPS_TARGET_IS_SATA_SSD) { 1343 target->stop_at_shutdown = FALSE; 1344 } 1345 break; 1346 case MPS_SSU_ENABLE_SSD_ENABLE_HDD: 1347 target->stop_at_shutdown = TRUE; 1348 break; 1349 case MPS_SSU_ENABLE_SSD_DISABLE_HDD: 1350 default: 1351 target->stop_at_shutdown = TRUE; 1352 if ((target->flags & 1353 MPS_TARGET_IS_SATA_SSD) == 0) { 1354 target->stop_at_shutdown = FALSE; 1355 } 1356 break; 1357 } 1358 } 1359 } 1360 mpssas_SSU_to_SATA_devices(sc, howto); 1361 } 1362