1/*- 2 * SPDX-License-Identifier: BSD-2-Clause 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/* 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/proc.h> 50#include <sys/queue.h> 51#include <sys/kthread.h> 52#include <sys/taskqueue.h> 53#include <sys/sbuf.h> 54#include <sys/reboot.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 89struct mps_fw_event_work { 90 u16 event; 91 void *event_data; 92 TAILQ_ENTRY(mps_fw_event_work) ev_link; 93}; 94 95union _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 */ 106struct _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}; 115static u32 event_count; 116static void mpssas_fw_work(struct mps_softc *sc, 117 struct mps_fw_event_work *fw_event); 118static void mpssas_fw_event_free(struct mps_softc *, 119 struct mps_fw_event_work *); 120static int mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate); 121static int mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, 122 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, 123 u32 devinfo); 124static void mpssas_ata_id_complete(struct mps_softc *, struct mps_command *); 125static void mpssas_ata_id_timeout(struct mps_softc *, struct mps_command *); 126int mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 127 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD); 128static int mpssas_volume_add(struct mps_softc *sc, 129 u16 handle); 130static void mpssas_SSU_to_SATA_devices(struct mps_softc *sc, int howto); 131static void mpssas_stop_unit_done(struct cam_periph *periph, 132 union ccb *done_ccb); 133 134void 135mpssas_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 182static void 183mpssas_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 */ 198static void 199mpssas_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 mps_mapping_enclosure_dev_status_change_event(sc, 270 fw_event->event_data); 271 break; 272 } 273 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: 274 { 275 Mpi2EventIrConfigElement_t *element; 276 int i; 277 u8 foreign_config; 278 Mpi2EventDataIrConfigChangeList_t *event_data; 279 struct mpssas_target *targ; 280 unsigned int id; 281 282 event_data = fw_event->event_data; 283 foreign_config = (le32toh(event_data->Flags) & 284 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; 285 286 element = 287 (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; 288 id = mps_mapping_get_raid_tid_from_handle(sc, 289 element->VolDevHandle); 290 291 mps_mapping_ir_config_change_event(sc, event_data); 292 293 for (i = 0; i < event_data->NumElements; i++, element++) { 294 switch (element->ReasonCode) { 295 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: 296 case MPI2_EVENT_IR_CHANGE_RC_ADDED: 297 if (!foreign_config) { 298 if (mpssas_volume_add(sc, 299 le16toh(element->VolDevHandle))){ 300 printf("%s: failed to add RAID " 301 "volume with handle 0x%x\n", 302 __func__, le16toh(element-> 303 VolDevHandle)); 304 } 305 } 306 break; 307 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: 308 case MPI2_EVENT_IR_CHANGE_RC_REMOVED: 309 /* 310 * Rescan after volume is deleted or removed. 311 */ 312 if (!foreign_config) { 313 if (id == MPS_MAP_BAD_ID) { 314 printf("%s: could not get ID " 315 "for volume with handle " 316 "0x%04x\n", __func__, 317 le16toh(element->VolDevHandle)); 318 break; 319 } 320 321 targ = &sassc->targets[id]; 322 targ->handle = 0x0; 323 targ->encl_slot = 0x0; 324 targ->encl_handle = 0x0; 325 targ->exp_dev_handle = 0x0; 326 targ->phy_num = 0x0; 327 targ->linkrate = 0x0; 328 mpssas_rescan_target(sc, targ); 329 printf("RAID target id 0x%x removed\n", 330 targ->tid); 331 } 332 break; 333 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: 334 case MPI2_EVENT_IR_CHANGE_RC_HIDE: 335 /* 336 * Phys Disk of a volume has been created. Hide 337 * it from the OS. 338 */ 339 targ = mpssas_find_target_by_handle(sassc, 0, 340 element->PhysDiskDevHandle); 341 if (targ == NULL) 342 break; 343 344 /* 345 * Set raid component flags only if it is not 346 * WD. OR WrapDrive with 347 * WD_HIDE_ALWAYS/WD_HIDE_IF_VOLUME is set in 348 * NVRAM 349 */ 350 if((!sc->WD_available) || 351 ((sc->WD_available && 352 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) || 353 (sc->WD_valid_config && (sc->WD_hide_expose == 354 MPS_WD_HIDE_IF_VOLUME)))) { 355 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 356 } 357 mpssas_rescan_target(sc, targ); 358 359 break; 360 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: 361 /* 362 * Phys Disk of a volume has been deleted. 363 * Expose it to the OS. 364 */ 365 if (mpssas_add_device(sc, 366 le16toh(element->PhysDiskDevHandle), 0)){ 367 printf("%s: failed to add device with " 368 "handle 0x%x\n", __func__, 369 le16toh(element->PhysDiskDevHandle)); 370 mpssas_prepare_remove(sassc, le16toh(element-> 371 PhysDiskDevHandle)); 372 } 373 break; 374 } 375 } 376 /* 377 * refcount was incremented for this event in 378 * mpssas_evt_handler. Decrement it here because the event has 379 * been processed. 380 */ 381 mpssas_startup_decrement(sassc); 382 break; 383 } 384 case MPI2_EVENT_IR_VOLUME: 385 { 386 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data; 387 388 /* 389 * Informational only. 390 */ 391 mps_dprint(sc, MPS_EVENT, "Received IR Volume event:\n"); 392 switch (event_data->ReasonCode) { 393 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED: 394 mps_dprint(sc, MPS_EVENT, " Volume Settings " 395 "changed from 0x%x to 0x%x for Volome with " 396 "handle 0x%x", le32toh(event_data->PreviousValue), 397 le32toh(event_data->NewValue), 398 le16toh(event_data->VolDevHandle)); 399 break; 400 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED: 401 mps_dprint(sc, MPS_EVENT, " Volume Status " 402 "changed from 0x%x to 0x%x for Volome with " 403 "handle 0x%x", le32toh(event_data->PreviousValue), 404 le32toh(event_data->NewValue), 405 le16toh(event_data->VolDevHandle)); 406 break; 407 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED: 408 mps_dprint(sc, MPS_EVENT, " Volume State " 409 "changed from 0x%x to 0x%x for Volome with " 410 "handle 0x%x", le32toh(event_data->PreviousValue), 411 le32toh(event_data->NewValue), 412 le16toh(event_data->VolDevHandle)); 413 u32 state; 414 struct mpssas_target *targ; 415 state = le32toh(event_data->NewValue); 416 switch (state) { 417 case MPI2_RAID_VOL_STATE_MISSING: 418 case MPI2_RAID_VOL_STATE_FAILED: 419 mpssas_prepare_volume_remove(sassc, event_data-> 420 VolDevHandle); 421 break; 422 423 case MPI2_RAID_VOL_STATE_ONLINE: 424 case MPI2_RAID_VOL_STATE_DEGRADED: 425 case MPI2_RAID_VOL_STATE_OPTIMAL: 426 targ = mpssas_find_target_by_handle(sassc, 0, event_data->VolDevHandle); 427 if (targ) { 428 printf("%s %d: Volume handle 0x%x is already added \n", 429 __func__, __LINE__ , event_data->VolDevHandle); 430 break; 431 } 432 if (mpssas_volume_add(sc, le16toh(event_data->VolDevHandle))) { 433 printf("%s: failed to add RAID " 434 "volume with handle 0x%x\n", 435 __func__, le16toh(event_data-> 436 VolDevHandle)); 437 } 438 break; 439 default: 440 break; 441 } 442 break; 443 default: 444 break; 445 } 446 break; 447 } 448 case MPI2_EVENT_IR_PHYSICAL_DISK: 449 { 450 Mpi2EventDataIrPhysicalDisk_t *event_data = 451 fw_event->event_data; 452 struct mpssas_target *targ; 453 454 /* 455 * Informational only. 456 */ 457 mps_dprint(sc, MPS_EVENT, "Received IR Phys Disk event:\n"); 458 switch (event_data->ReasonCode) { 459 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED: 460 mps_dprint(sc, MPS_EVENT, " Phys Disk Settings " 461 "changed from 0x%x to 0x%x for Phys Disk Number " 462 "%d and handle 0x%x at Enclosure handle 0x%x, Slot " 463 "%d", le32toh(event_data->PreviousValue), 464 le32toh(event_data->NewValue), 465 event_data->PhysDiskNum, 466 le16toh(event_data->PhysDiskDevHandle), 467 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 468 break; 469 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED: 470 mps_dprint(sc, MPS_EVENT, " Phys Disk Status changed " 471 "from 0x%x to 0x%x for Phys Disk Number %d and " 472 "handle 0x%x at Enclosure handle 0x%x, Slot %d", 473 le32toh(event_data->PreviousValue), 474 le32toh(event_data->NewValue), event_data->PhysDiskNum, 475 le16toh(event_data->PhysDiskDevHandle), 476 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 477 break; 478 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED: 479 mps_dprint(sc, MPS_EVENT, " Phys Disk State changed " 480 "from 0x%x to 0x%x for Phys Disk Number %d and " 481 "handle 0x%x at Enclosure handle 0x%x, Slot %d", 482 le32toh(event_data->PreviousValue), 483 le32toh(event_data->NewValue), event_data->PhysDiskNum, 484 le16toh(event_data->PhysDiskDevHandle), 485 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 486 switch (event_data->NewValue) { 487 case MPI2_RAID_PD_STATE_ONLINE: 488 case MPI2_RAID_PD_STATE_DEGRADED: 489 case MPI2_RAID_PD_STATE_REBUILDING: 490 case MPI2_RAID_PD_STATE_OPTIMAL: 491 case MPI2_RAID_PD_STATE_HOT_SPARE: 492 targ = mpssas_find_target_by_handle(sassc, 0, 493 event_data->PhysDiskDevHandle); 494 if (targ) { 495 if(!sc->WD_available) { 496 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 497 printf("%s %d: Found Target for handle 0x%x. \n", 498 __func__, __LINE__ , event_data->PhysDiskDevHandle); 499 } else if ((sc->WD_available && 500 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) || 501 (sc->WD_valid_config && (sc->WD_hide_expose == 502 MPS_WD_HIDE_IF_VOLUME))) { 503 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 504 printf("%s %d: WD: Found Target for handle 0x%x. \n", 505 __func__, __LINE__ , event_data->PhysDiskDevHandle); 506 } 507 } 508 break; 509 case MPI2_RAID_PD_STATE_OFFLINE: 510 case MPI2_RAID_PD_STATE_NOT_CONFIGURED: 511 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: 512 default: 513 targ = mpssas_find_target_by_handle(sassc, 0, 514 event_data->PhysDiskDevHandle); 515 if (targ) { 516 targ->flags |= ~MPS_TARGET_FLAGS_RAID_COMPONENT; 517 printf("%s %d: Found Target for handle 0x%x. \n", 518 __func__, __LINE__ , event_data->PhysDiskDevHandle); 519 } 520 break; 521 } 522 default: 523 break; 524 } 525 break; 526 } 527 case MPI2_EVENT_IR_OPERATION_STATUS: 528 { 529 Mpi2EventDataIrOperationStatus_t *event_data = 530 fw_event->event_data; 531 532 /* 533 * Informational only. 534 */ 535 mps_dprint(sc, MPS_EVENT, "Received IR Op Status event:\n"); 536 mps_dprint(sc, MPS_EVENT, " RAID Operation of %d is %d " 537 "percent complete for Volume with handle 0x%x", 538 event_data->RAIDOperation, event_data->PercentComplete, 539 le16toh(event_data->VolDevHandle)); 540 break; 541 } 542 case MPI2_EVENT_LOG_ENTRY_ADDED: 543 { 544 pMpi2EventDataLogEntryAdded_t logEntry; 545 uint16_t logQualifier; 546 uint8_t logCode; 547 548 logEntry = (pMpi2EventDataLogEntryAdded_t)fw_event->event_data; 549 logQualifier = logEntry->LogEntryQualifier; 550 551 if (logQualifier == MPI2_WD_LOG_ENTRY) { 552 logCode = logEntry->LogData[0]; 553 554 switch (logCode) { 555 case MPI2_WD_SSD_THROTTLING: 556 printf("WarpDrive Warning: IO Throttling has " 557 "occurred in the WarpDrive subsystem. " 558 "Check WarpDrive documentation for " 559 "additional details\n"); 560 break; 561 case MPI2_WD_DRIVE_LIFE_WARN: 562 printf("WarpDrive Warning: Program/Erase " 563 "Cycles for the WarpDrive subsystem in " 564 "degraded range. Check WarpDrive " 565 "documentation for additional details\n"); 566 break; 567 case MPI2_WD_DRIVE_LIFE_DEAD: 568 printf("WarpDrive Fatal Error: There are no " 569 "Program/Erase Cycles for the WarpDrive " 570 "subsystem. The storage device will be in " 571 "read-only mode. Check WarpDrive " 572 "documentation for additional details\n"); 573 break; 574 case MPI2_WD_RAIL_MON_FAIL: 575 printf("WarpDrive Fatal Error: The Backup Rail " 576 "Monitor has failed on the WarpDrive " 577 "subsystem. Check WarpDrive documentation " 578 "for additional details\n"); 579 break; 580 default: 581 break; 582 } 583 } 584 break; 585 } 586 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: 587 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: 588 default: 589 mps_dprint(sc, MPS_TRACE,"Unhandled event 0x%0X\n", 590 fw_event->event); 591 break; 592 } 593 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Event Free: [%x]\n",event_count,__func__, fw_event->event); 594 mpssas_fw_event_free(sc, fw_event); 595} 596 597void 598mpssas_firmware_event_work(void *arg, int pending) 599{ 600 struct mps_fw_event_work *fw_event; 601 struct mps_softc *sc; 602 603 sc = (struct mps_softc *)arg; 604 mps_lock(sc); 605 while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) { 606 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link); 607 mpssas_fw_work(sc, fw_event); 608 } 609 mps_unlock(sc); 610} 611 612static int 613mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate){ 614 char devstring[80]; 615 struct mpssas_softc *sassc; 616 struct mpssas_target *targ; 617 Mpi2ConfigReply_t mpi_reply; 618 Mpi2SasDevicePage0_t config_page; 619 uint64_t sas_address; 620 uint64_t parent_sas_address = 0; 621 u32 device_info, parent_devinfo = 0; 622 unsigned int id; 623 int ret = 1, error = 0, i; 624 struct mpssas_lun *lun; 625 u8 is_SATA_SSD = 0; 626 struct mps_command *cm; 627 628 sassc = sc->sassc; 629 mpssas_startup_increment(sassc); 630 if (mps_config_get_sas_device_pg0(sc, &mpi_reply, &config_page, 631 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle) != 0) { 632 mps_dprint(sc, MPS_INFO|MPS_MAPPING|MPS_FAULT, 633 "Error reading SAS device %#x page0, iocstatus= 0x%x\n", 634 handle, mpi_reply.IOCStatus); 635 error = ENXIO; 636 goto out; 637 } 638 639 device_info = le32toh(config_page.DeviceInfo); 640 641 if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) 642 && (le16toh(config_page.ParentDevHandle) != 0)) { 643 Mpi2ConfigReply_t tmp_mpi_reply; 644 Mpi2SasDevicePage0_t parent_config_page; 645 646 if (mps_config_get_sas_device_pg0(sc, &tmp_mpi_reply, 647 &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, 648 le16toh(config_page.ParentDevHandle)) != 0) { 649 mps_dprint(sc, MPS_MAPPING|MPS_FAULT, 650 "Error reading parent SAS device %#x page0, " 651 "iocstatus= 0x%x\n", 652 le16toh(config_page.ParentDevHandle), 653 tmp_mpi_reply.IOCStatus); 654 } else { 655 parent_sas_address = parent_config_page.SASAddress.High; 656 parent_sas_address = (parent_sas_address << 32) | 657 parent_config_page.SASAddress.Low; 658 parent_devinfo = le32toh(parent_config_page.DeviceInfo); 659 } 660 } 661 /* TODO Check proper endianness */ 662 sas_address = config_page.SASAddress.High; 663 sas_address = (sas_address << 32) | config_page.SASAddress.Low; 664 mps_dprint(sc, MPS_MAPPING, "Handle 0x%04x SAS Address from SAS device " 665 "page0 = %jx\n", handle, sas_address); 666 667 /* 668 * Always get SATA Identify information because this is used to 669 * determine if Start/Stop Unit should be sent to the drive when the 670 * system is shutdown. 671 */ 672 if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) { 673 ret = mpssas_get_sas_address_for_sata_disk(sc, &sas_address, 674 handle, device_info, &is_SATA_SSD); 675 if (ret) { 676 mps_dprint(sc, MPS_MAPPING|MPS_ERROR, 677 "%s: failed to get disk type (SSD or HDD) for SATA " 678 "device with handle 0x%04x\n", 679 __func__, handle); 680 } else { 681 mps_dprint(sc, MPS_MAPPING, "Handle 0x%04x SAS Address " 682 "from SATA device = %jx\n", handle, sas_address); 683 } 684 } 685 686 /* 687 * use_phynum: 688 * 1 - use the PhyNum field as a fallback to the mapping logic 689 * 0 - never use the PhyNum field 690 * -1 - only use the PhyNum field 691 * 692 * Note that using the Phy number to map a device can cause device adds 693 * to fail if multiple enclosures/expanders are in the topology. For 694 * example, if two devices are in the same slot number in two different 695 * enclosures within the topology, only one of those devices will be 696 * added. PhyNum mapping should not be used if multiple enclosures are 697 * in the topology. 698 */ 699 id = MPS_MAP_BAD_ID; 700 if (sc->use_phynum != -1) 701 id = mps_mapping_get_tid(sc, sas_address, handle); 702 if (id == MPS_MAP_BAD_ID) { 703 if ((sc->use_phynum == 0) 704 || ((id = config_page.PhyNum) > sassc->maxtargets)) { 705 mps_dprint(sc, MPS_INFO, "failure at %s:%d/%s()! " 706 "Could not get ID for device with handle 0x%04x\n", 707 __FILE__, __LINE__, __func__, handle); 708 error = ENXIO; 709 goto out; 710 } 711 } 712 mps_dprint(sc, MPS_MAPPING, "%s: Target ID for added device is %d.\n", 713 __func__, id); 714 715 /* 716 * Only do the ID check and reuse check if the target is not from a 717 * RAID Component. For Physical Disks of a Volume, the ID will be reused 718 * when a volume is deleted because the mapping entry for the PD will 719 * still be in the mapping table. The ID check should not be done here 720 * either since this PD is already being used. 721 */ 722 targ = &sassc->targets[id]; 723 if (!(targ->flags & MPS_TARGET_FLAGS_RAID_COMPONENT)) { 724 if (mpssas_check_id(sassc, id) != 0) { 725 mps_dprint(sc, MPS_MAPPING|MPS_INFO, 726 "Excluding target id %d\n", id); 727 error = ENXIO; 728 goto out; 729 } 730 731 if (targ->handle != 0x0) { 732 mps_dprint(sc, MPS_MAPPING, "Attempting to reuse " 733 "target id %d handle 0x%04x\n", id, targ->handle); 734 error = ENXIO; 735 goto out; 736 } 737 } 738 739 targ->devinfo = device_info; 740 targ->devname = le32toh(config_page.DeviceName.High); 741 targ->devname = (targ->devname << 32) | 742 le32toh(config_page.DeviceName.Low); 743 targ->encl_handle = le16toh(config_page.EnclosureHandle); 744 targ->encl_slot = le16toh(config_page.Slot); 745 targ->handle = handle; 746 targ->parent_handle = le16toh(config_page.ParentDevHandle); 747 targ->sasaddr = mps_to_u64(&config_page.SASAddress); 748 targ->parent_sasaddr = le64toh(parent_sas_address); 749 targ->parent_devinfo = parent_devinfo; 750 targ->tid = id; 751 targ->linkrate = (linkrate>>4); 752 targ->flags = 0; 753 if (is_SATA_SSD) { 754 targ->flags = MPS_TARGET_IS_SATA_SSD; 755 } 756 TAILQ_INIT(&targ->commands); 757 TAILQ_INIT(&targ->timedout_commands); 758 while(!SLIST_EMPTY(&targ->luns)) { 759 lun = SLIST_FIRST(&targ->luns); 760 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 761 free(lun, M_MPT2); 762 } 763 SLIST_INIT(&targ->luns); 764 765 mps_describe_devinfo(targ->devinfo, devstring, 80); 766 mps_dprint(sc, MPS_MAPPING, "Found device <%s> <%s> <0x%04x> <%d/%d>\n", 767 devstring, mps_describe_table(mps_linkrate_names, targ->linkrate), 768 targ->handle, targ->encl_handle, targ->encl_slot); 769 770 mpssas_rescan_target(sc, targ); 771 mps_dprint(sc, MPS_MAPPING, "Target id 0x%x added\n", targ->tid); 772 773 /* 774 * Check all commands to see if the SATA_ID_TIMEOUT flag has been set. 775 * If so, send a Target Reset TM to the target that was just created. 776 * An Abort Task TM should be used instead of a Target Reset, but that 777 * would be much more difficult because targets have not been fully 778 * discovered yet, and LUN's haven't been setup. So, just reset the 779 * target instead of the LUN. The commands should complete once the 780 * target has been reset. 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 targ->timeouts++; 786 cm->cm_flags |= MPS_CM_FLAGS_TIMEDOUT; 787 788 if ((targ->tm = mpssas_alloc_tm(sc)) != NULL) { 789 mps_dprint(sc, MPS_INFO, "%s: sending Target " 790 "Reset for stuck SATA identify command " 791 "(cm = %p)\n", __func__, cm); 792 targ->tm->cm_targ = targ; 793 mpssas_send_reset(sc, targ->tm, 794 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET); 795 } else { 796 mps_dprint(sc, MPS_ERROR, "Failed to allocate " 797 "tm for Target Reset after SATA ID command " 798 "timed out (cm %p)\n", cm); 799 } 800 /* 801 * No need to check for more since the target is 802 * already being reset. 803 */ 804 break; 805 } 806 } 807out: 808 mpssas_startup_decrement(sassc); 809 return (error); 810} 811 812int 813mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 814 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD) 815{ 816 Mpi2SataPassthroughReply_t mpi_reply; 817 int i, rc, try_count; 818 u32 *bufferptr; 819 union _sata_sas_address hash_address; 820 struct _ata_identify_device_data ata_identify; 821 u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN]; 822 u32 ioc_status; 823 u8 sas_status; 824 825 memset(&ata_identify, 0, sizeof(ata_identify)); 826 try_count = 0; 827 do { 828 rc = mpssas_get_sata_identify(sc, handle, &mpi_reply, 829 (char *)&ata_identify, sizeof(ata_identify), device_info); 830 try_count++; 831 ioc_status = le16toh(mpi_reply.IOCStatus) 832 & MPI2_IOCSTATUS_MASK; 833 sas_status = mpi_reply.SASStatus; 834 switch (ioc_status) { 835 case MPI2_IOCSTATUS_SUCCESS: 836 break; 837 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: 838 /* No sense sleeping. this error won't get better */ 839 break; 840 default: 841 if (sc->spinup_wait_time > 0) { 842 mps_dprint(sc, MPS_INFO, "Sleeping %d seconds " 843 "after SATA ID error to wait for spinup\n", 844 sc->spinup_wait_time); 845 msleep(&sc->msleep_fake_chan, &sc->mps_mtx, 0, 846 "mpsid", sc->spinup_wait_time * hz); 847 } 848 } 849 } while (((rc && (rc != EWOULDBLOCK)) || 850 (ioc_status && 851 (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR)) 852 || sas_status) && (try_count < 5)); 853 854 if (rc == 0 && !ioc_status && !sas_status) { 855 mps_dprint(sc, MPS_MAPPING, "%s: got SATA identify " 856 "successfully for handle = 0x%x with try_count = %d\n", 857 __func__, handle, try_count); 858 } else { 859 mps_dprint(sc, MPS_MAPPING, "%s: handle = 0x%x failed\n", 860 __func__, handle); 861 return -1; 862 } 863 /* Copy & byteswap the 40 byte model number to a buffer */ 864 for (i = 0; i < MPT2SAS_MN_LEN; i += 2) { 865 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1]; 866 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i]; 867 } 868 /* Copy & byteswap the 20 byte serial number to a buffer */ 869 for (i = 0; i < MPT2SAS_SN_LEN; i += 2) { 870 buffer[MPT2SAS_MN_LEN + i] = 871 ((u8 *)ata_identify.serial_number)[i + 1]; 872 buffer[MPT2SAS_MN_LEN + i + 1] = 873 ((u8 *)ata_identify.serial_number)[i]; 874 } 875 bufferptr = (u32 *)buffer; 876 /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8, 877 * so loop through the first 56 bytes (7*8), 878 * and then add in the last dword. 879 */ 880 hash_address.word.low = 0; 881 hash_address.word.high = 0; 882 for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) { 883 hash_address.word.low += *bufferptr; 884 bufferptr++; 885 hash_address.word.high += *bufferptr; 886 bufferptr++; 887 } 888 /* Add the last dword */ 889 hash_address.word.low += *bufferptr; 890 /* Make sure the hash doesn't start with 5, because it could clash 891 * with a SAS address. Change 5 to a D. 892 */ 893 if ((hash_address.word.high & 0x000000F0) == (0x00000050)) 894 hash_address.word.high |= 0x00000080; 895 *sas_address = (u64)hash_address.wwid[0] << 56 | 896 (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 | 897 (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 | 898 (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] << 8 | 899 (u64)hash_address.wwid[7]; 900 if (ata_identify.rotational_speed == 1) { 901 *is_SATA_SSD = 1; 902 } 903 904 return 0; 905} 906 907static int 908mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, 909 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo) 910{ 911 Mpi2SataPassthroughRequest_t *mpi_request; 912 Mpi2SataPassthroughReply_t *reply = NULL; 913 struct mps_command *cm; 914 char *buffer; 915 int error = 0; 916 917 buffer = malloc( sz, M_MPT2, M_NOWAIT | M_ZERO); 918 if (!buffer) 919 return ENOMEM; 920 921 if ((cm = mps_alloc_command(sc)) == NULL) { 922 free(buffer, M_MPT2); 923 return (EBUSY); 924 } 925 mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req; 926 bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST)); 927 mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH; 928 mpi_request->VF_ID = 0; 929 mpi_request->DevHandle = htole16(handle); 930 mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO | 931 MPI2_SATA_PT_REQ_PT_FLAGS_READ); 932 mpi_request->DataLength = htole32(sz); 933 mpi_request->CommandFIS[0] = 0x27; 934 mpi_request->CommandFIS[1] = 0x80; 935 mpi_request->CommandFIS[2] = (devinfo & 936 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC; 937 cm->cm_sge = &mpi_request->SGL; 938 cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION); 939 cm->cm_flags = MPS_CM_FLAGS_SGE_SIMPLE | MPS_CM_FLAGS_DATAIN; 940 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 941 cm->cm_data = buffer; 942 cm->cm_length = htole32(sz); 943 944 /* 945 * Use a custom handler to avoid reinit'ing the controller on timeout. 946 * This fixes a problem where the FW does not send a reply sometimes 947 * when a bad disk is in the topology. So, this is used to timeout the 948 * command so that processing can continue normally. 949 */ 950 cm->cm_timeout_handler = mpssas_ata_id_timeout; 951 952 error = mps_wait_command(sc, &cm, MPS_ATA_ID_TIMEOUT, CAN_SLEEP); 953 954 /* mpssas_ata_id_timeout does not reset controller */ 955 KASSERT(cm != NULL, ("%s: surprise command freed", __func__)); 956 957 reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply; 958 if (error || (reply == NULL)) { 959 /* FIXME */ 960 /* 961 * If the request returns an error then we need to do a diag 962 * reset 963 */ 964 mps_dprint(sc, MPS_INFO|MPS_FAULT|MPS_MAPPING, 965 "Request for SATA PASSTHROUGH page completed with error %d\n", 966 error); 967 error = ENXIO; 968 goto out; 969 } 970 bcopy(buffer, id_buffer, sz); 971 bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t)); 972 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) != 973 MPI2_IOCSTATUS_SUCCESS) { 974 mps_dprint(sc, MPS_INFO|MPS_MAPPING|MPS_FAULT, 975 "Error reading device %#x SATA PASSTHRU; iocstatus= 0x%x\n", 976 handle, reply->IOCStatus); 977 error = ENXIO; 978 goto out; 979 } 980out: 981 /* 982 * If the SATA_ID_TIMEOUT flag has been set for this command, don't free 983 * it. The command and buffer will be freed after we send a Target 984 * Reset TM and the command comes back from the controller. 985 */ 986 if ((cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) == 0) { 987 mps_free_command(sc, cm); 988 free(buffer, M_MPT2); 989 } 990 return (error); 991} 992 993/* 994 * This is completion handler to make sure that commands and allocated 995 * buffers get freed when timed out SATA ID commands finally complete after 996 * we've reset the target. In the normal case, we wait for the command to 997 * complete. 998 */ 999static void 1000mpssas_ata_id_complete(struct mps_softc *sc, struct mps_command *cm) 1001{ 1002 mps_dprint(sc, MPS_INFO, "%s ATA ID completed late cm %p sc %p\n", 1003 __func__, cm, sc); 1004 1005 free(cm->cm_data, M_MPT2); 1006 mps_free_command(sc, cm); 1007} 1008 1009 1010static void 1011mpssas_ata_id_timeout(struct mps_softc *sc, struct mps_command *cm) 1012{ 1013 mps_dprint(sc, MPS_INFO, "%s ATA ID command timeout cm %p sc %p\n", 1014 __func__, cm, sc); 1015 1016 /* 1017 * The Abort Task cannot be sent from here because the driver has not 1018 * completed setting up targets. Instead, the command is flagged so 1019 * that special handling will be used to send a target reset. 1020 */ 1021 cm->cm_flags |= MPS_CM_FLAGS_SATA_ID_TIMEOUT; 1022 1023 /* 1024 * Since we will no longer be waiting for the command to complete, 1025 * set a completion handler to make sure we free all resources. 1026 */ 1027 cm->cm_complete = mpssas_ata_id_complete; 1028} 1029 1030static int 1031mpssas_volume_add(struct mps_softc *sc, u16 handle) 1032{ 1033 struct mpssas_softc *sassc; 1034 struct mpssas_target *targ; 1035 u64 wwid; 1036 unsigned int id; 1037 int error = 0; 1038 struct mpssas_lun *lun; 1039 1040 sassc = sc->sassc; 1041 mpssas_startup_increment(sassc); 1042 /* wwid is endian safe */ 1043 mps_config_get_volume_wwid(sc, handle, &wwid); 1044 if (!wwid) { 1045 printf("%s: invalid WWID; cannot add volume to mapping table\n", 1046 __func__); 1047 error = ENXIO; 1048 goto out; 1049 } 1050 1051 id = mps_mapping_get_raid_tid(sc, wwid, handle); 1052 if (id == MPS_MAP_BAD_ID) { 1053 printf("%s: could not get ID for volume with handle 0x%04x and " 1054 "WWID 0x%016llx\n", __func__, handle, 1055 (unsigned long long)wwid); 1056 error = ENXIO; 1057 goto out; 1058 } 1059 1060 targ = &sassc->targets[id]; 1061 targ->tid = id; 1062 targ->handle = handle; 1063 targ->devname = wwid; 1064 TAILQ_INIT(&targ->commands); 1065 TAILQ_INIT(&targ->timedout_commands); 1066 while(!SLIST_EMPTY(&targ->luns)) { 1067 lun = SLIST_FIRST(&targ->luns); 1068 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 1069 free(lun, M_MPT2); 1070 } 1071 SLIST_INIT(&targ->luns); 1072 mpssas_rescan_target(sc, targ); 1073 mps_dprint(sc, MPS_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n", 1074 targ->tid, wwid); 1075out: 1076 mpssas_startup_decrement(sassc); 1077 return (error); 1078} 1079 1080/** 1081 * mpssas_SSU_to_SATA_devices 1082 * @sc: per adapter object 1083 * @howto: mast of RB_* bits for how we're rebooting 1084 * 1085 * Looks through the target list and issues a StartStopUnit SCSI command to each 1086 * SATA direct-access device. This helps to ensure that data corruption is 1087 * avoided when the system is being shut down. This must be called after the IR 1088 * System Shutdown RAID Action is sent if in IR mode. 1089 * 1090 * Return nothing. 1091 */ 1092static void 1093mpssas_SSU_to_SATA_devices(struct mps_softc *sc, int howto) 1094{ 1095 struct mpssas_softc *sassc = sc->sassc; 1096 union ccb *ccb; 1097 path_id_t pathid = cam_sim_path(sassc->sim); 1098 target_id_t targetid; 1099 struct mpssas_target *target; 1100 char path_str[64]; 1101 int timeout; 1102 1103 /* 1104 * For each target, issue a StartStopUnit command to stop the device. 1105 */ 1106 sc->SSU_started = TRUE; 1107 sc->SSU_refcount = 0; 1108 for (targetid = 0; targetid < sc->max_devices; targetid++) { 1109 target = &sassc->targets[targetid]; 1110 if (target->handle == 0x0) { 1111 continue; 1112 } 1113 1114 ccb = xpt_alloc_ccb_nowait(); 1115 if (ccb == NULL) { 1116 mps_dprint(sc, MPS_FAULT, "Unable to alloc CCB to stop " 1117 "unit.\n"); 1118 return; 1119 } 1120 1121 /* 1122 * The stop_at_shutdown flag will be set if this device is 1123 * a SATA direct-access end device. 1124 */ 1125 if (target->stop_at_shutdown) { 1126 if (xpt_create_path(&ccb->ccb_h.path, 1127 xpt_periph, pathid, targetid, 1128 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1129 mps_dprint(sc, MPS_FAULT, "Unable to create " 1130 "LUN path to stop unit.\n"); 1131 xpt_free_ccb(ccb); 1132 return; 1133 } 1134 xpt_path_string(ccb->ccb_h.path, path_str, 1135 sizeof(path_str)); 1136 1137 mps_dprint(sc, MPS_INFO, "Sending StopUnit: path %s " 1138 "handle %d\n", path_str, target->handle); 1139 1140 /* 1141 * Issue a START STOP UNIT command for the target. 1142 * Increment the SSU counter to be used to count the 1143 * number of required replies. 1144 */ 1145 mps_dprint(sc, MPS_INFO, "Incrementing SSU count\n"); 1146 sc->SSU_refcount++; 1147 ccb->ccb_h.target_id = 1148 xpt_path_target_id(ccb->ccb_h.path); 1149 ccb->ccb_h.ppriv_ptr1 = sassc; 1150 scsi_start_stop(&ccb->csio, 1151 /*retries*/0, 1152 mpssas_stop_unit_done, 1153 MSG_SIMPLE_Q_TAG, 1154 /*start*/FALSE, 1155 /*load/eject*/0, 1156 /*immediate*/FALSE, 1157 MPS_SENSE_LEN, 1158 /*timeout*/10000); 1159 xpt_action(ccb); 1160 } 1161 } 1162 1163 /* 1164 * Timeout after 60 seconds by default or 10 seconds if howto has 1165 * RB_NOSYNC set which indicates we're likely handling a panic. 1166 */ 1167 timeout = 600; 1168 if (howto & RB_NOSYNC) 1169 timeout = 100; 1170 1171 /* 1172 * Wait until all of the SSU commands have completed or timeout has 1173 * expired. Pause for 100ms each time through. If any command 1174 * times out, the target will be reset in the SCSI command timeout 1175 * routine. 1176 */ 1177 while (sc->SSU_refcount > 0) { 1178 pause("mpswait", hz/10); 1179 if (SCHEDULER_STOPPED()) 1180 xpt_sim_poll(sassc->sim); 1181 1182 if (--timeout == 0) { 1183 mps_dprint(sc, MPS_FAULT, "Time has expired waiting " 1184 "for SSU commands to complete.\n"); 1185 break; 1186 } 1187 } 1188} 1189 1190static void 1191mpssas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb) 1192{ 1193 struct mpssas_softc *sassc; 1194 char path_str[64]; 1195 1196 if (done_ccb == NULL) 1197 return; 1198 1199 sassc = (struct mpssas_softc *)done_ccb->ccb_h.ppriv_ptr1; 1200 1201 xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str)); 1202 mps_dprint(sassc->sc, MPS_INFO, "Completing stop unit for %s\n", 1203 path_str); 1204 1205 /* 1206 * Nothing more to do except free the CCB and path. If the command 1207 * timed out, an abort reset, then target reset will be issued during 1208 * the SCSI Command process. 1209 */ 1210 xpt_free_path(done_ccb->ccb_h.path); 1211 xpt_free_ccb(done_ccb); 1212} 1213 1214/** 1215 * mpssas_ir_shutdown - IR shutdown notification 1216 * @sc: per adapter object 1217 * @howto: mast of RB_* bits for how we're rebooting 1218 * 1219 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that 1220 * the host system is shutting down. 1221 * 1222 * Return nothing. 1223 */ 1224void 1225mpssas_ir_shutdown(struct mps_softc *sc, int howto) 1226{ 1227 u16 volume_mapping_flags; 1228 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1229 struct dev_mapping_table *mt_entry; 1230 u32 start_idx, end_idx; 1231 unsigned int id, found_volume = 0; 1232 struct mps_command *cm; 1233 Mpi2RaidActionRequest_t *action; 1234 target_id_t targetid; 1235 struct mpssas_target *target; 1236 1237 mps_dprint(sc, MPS_TRACE, "%s\n", __func__); 1238 1239 /* is IR firmware build loaded? */ 1240 if (!sc->ir_firmware) 1241 goto out; 1242 1243 /* are there any volumes? Look at IR target IDs. */ 1244 // TODO-later, this should be looked up in the RAID config structure 1245 // when it is implemented. 1246 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) & 1247 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; 1248 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) { 1249 start_idx = 0; 1250 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0) 1251 start_idx = 1; 1252 } else 1253 start_idx = sc->max_devices - sc->max_volumes; 1254 end_idx = start_idx + sc->max_volumes - 1; 1255 1256 for (id = start_idx; id < end_idx; id++) { 1257 mt_entry = &sc->mapping_table[id]; 1258 if ((mt_entry->physical_id != 0) && 1259 (mt_entry->missing_count == 0)) { 1260 found_volume = 1; 1261 break; 1262 } 1263 } 1264 1265 if (!found_volume) 1266 goto out; 1267 1268 if ((cm = mps_alloc_command(sc)) == NULL) { 1269 printf("%s: command alloc failed\n", __func__); 1270 goto out; 1271 } 1272 1273 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req; 1274 action->Function = MPI2_FUNCTION_RAID_ACTION; 1275 action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; 1276 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 1277 mps_lock(sc); 1278 mps_wait_command(sc, &cm, 5, CAN_SLEEP); 1279 mps_unlock(sc); 1280 1281 /* 1282 * Don't check for reply, just leave. 1283 */ 1284 if (cm) 1285 mps_free_command(sc, cm); 1286 1287out: 1288 /* 1289 * All of the targets must have the correct value set for 1290 * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable. 1291 * 1292 * The possible values for the 'enable_ssu' variable are: 1293 * 0: disable to SSD and HDD 1294 * 1: disable only to HDD (default) 1295 * 2: disable only to SSD 1296 * 3: enable to SSD and HDD 1297 * anything else will default to 1. 1298 */ 1299 for (targetid = 0; targetid < sc->max_devices; targetid++) { 1300 target = &sc->sassc->targets[targetid]; 1301 if (target->handle == 0x0) { 1302 continue; 1303 } 1304 1305 if (target->supports_SSU) { 1306 switch (sc->enable_ssu) { 1307 case MPS_SSU_DISABLE_SSD_DISABLE_HDD: 1308 target->stop_at_shutdown = FALSE; 1309 break; 1310 case MPS_SSU_DISABLE_SSD_ENABLE_HDD: 1311 target->stop_at_shutdown = TRUE; 1312 if (target->flags & MPS_TARGET_IS_SATA_SSD) { 1313 target->stop_at_shutdown = FALSE; 1314 } 1315 break; 1316 case MPS_SSU_ENABLE_SSD_ENABLE_HDD: 1317 target->stop_at_shutdown = TRUE; 1318 break; 1319 case MPS_SSU_ENABLE_SSD_DISABLE_HDD: 1320 default: 1321 target->stop_at_shutdown = TRUE; 1322 if ((target->flags & 1323 MPS_TARGET_IS_SATA_SSD) == 0) { 1324 target->stop_at_shutdown = FALSE; 1325 } 1326 break; 1327 } 1328 } 1329 } 1330 mpssas_SSU_to_SATA_devices(sc, howto); 1331} 1332