1/*- 2 * Copyright (c) 2011-2015 LSI Corp. 3 * Copyright (c) 2013-2015 Avago Technologies 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD 28 */ 29 30#include <sys/cdefs.h> 31__FBSDID("$FreeBSD: stable/11/sys/dev/mps/mps_sas_lsi.c 331849 2018-03-31 19:18:07Z smh $"); 32 33/* Communications core for Avago Technologies (LSI) MPT2 */ 34 35/* TODO Move headers to mpsvar */ 36#include <sys/types.h> 37#include <sys/param.h> 38#include <sys/systm.h> 39#include <sys/kernel.h> 40#include <sys/selinfo.h> 41#include <sys/module.h> 42#include <sys/bus.h> 43#include <sys/conf.h> 44#include <sys/bio.h> 45#include <sys/malloc.h> 46#include <sys/uio.h> 47#include <sys/sysctl.h> 48#include <sys/endian.h> 49#include <sys/queue.h> 50#include <sys/kthread.h> 51#include <sys/taskqueue.h> 52#include <sys/sbuf.h> 53#include <sys/reboot.h> 54 55#include <machine/bus.h> 56#include <machine/resource.h> 57#include <sys/rman.h> 58 59#include <machine/stdarg.h> 60 61#include <cam/cam.h> 62#include <cam/cam_ccb.h> 63#include <cam/cam_debug.h> 64#include <cam/cam_sim.h> 65#include <cam/cam_xpt_sim.h> 66#include <cam/cam_xpt_periph.h> 67#include <cam/cam_periph.h> 68#include <cam/scsi/scsi_all.h> 69#include <cam/scsi/scsi_message.h> 70 71#include <dev/mps/mpi/mpi2_type.h> 72#include <dev/mps/mpi/mpi2.h> 73#include <dev/mps/mpi/mpi2_ioc.h> 74#include <dev/mps/mpi/mpi2_sas.h> 75#include <dev/mps/mpi/mpi2_cnfg.h> 76#include <dev/mps/mpi/mpi2_init.h> 77#include <dev/mps/mpi/mpi2_raid.h> 78#include <dev/mps/mpi/mpi2_tool.h> 79#include <dev/mps/mps_ioctl.h> 80#include <dev/mps/mpsvar.h> 81#include <dev/mps/mps_table.h> 82#include <dev/mps/mps_sas.h> 83 84/* For Hashed SAS Address creation for SATA Drives */ 85#define MPT2SAS_SN_LEN 20 86#define MPT2SAS_MN_LEN 40 87 88struct mps_fw_event_work { 89 u16 event; 90 void *event_data; 91 TAILQ_ENTRY(mps_fw_event_work) ev_link; 92}; 93 94union _sata_sas_address { 95 u8 wwid[8]; 96 struct { 97 u32 high; 98 u32 low; 99 } word; 100}; 101 102/* 103 * define the IDENTIFY DEVICE structure 104 */ 105struct _ata_identify_device_data { 106 u16 reserved1[10]; /* 0-9 */ 107 u16 serial_number[10]; /* 10-19 */ 108 u16 reserved2[7]; /* 20-26 */ 109 u16 model_number[20]; /* 27-46*/ 110 u16 reserved3[170]; /* 47-216 */ 111 u16 rotational_speed; /* 217 */ 112 u16 reserved4[38]; /* 218-255 */ 113}; 114static u32 event_count; 115static void mpssas_fw_work(struct mps_softc *sc, 116 struct mps_fw_event_work *fw_event); 117static void mpssas_fw_event_free(struct mps_softc *, 118 struct mps_fw_event_work *); 119static int mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate); 120static int mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, 121 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, 122 u32 devinfo); 123static void mpssas_ata_id_timeout(void *data); 124int mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 125 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD); 126static int mpssas_volume_add(struct mps_softc *sc, 127 u16 handle); 128static void mpssas_SSU_to_SATA_devices(struct mps_softc *sc, int howto); 129static void mpssas_stop_unit_done(struct cam_periph *periph, 130 union ccb *done_ccb); 131 132void 133mpssas_evt_handler(struct mps_softc *sc, uintptr_t data, 134 MPI2_EVENT_NOTIFICATION_REPLY *event) 135{ 136 struct mps_fw_event_work *fw_event; 137 u16 sz; 138 139 mps_dprint(sc, MPS_TRACE, "%s\n", __func__); 140 MPS_DPRINT_EVENT(sc, sas, event); 141 mpssas_record_event(sc, event); 142 143 fw_event = malloc(sizeof(struct mps_fw_event_work), M_MPT2, 144 M_ZERO|M_NOWAIT); 145 if (!fw_event) { 146 printf("%s: allocate failed for fw_event\n", __func__); 147 return; 148 } 149 sz = le16toh(event->EventDataLength) * 4; 150 fw_event->event_data = malloc(sz, M_MPT2, M_ZERO|M_NOWAIT); 151 if (!fw_event->event_data) { 152 printf("%s: allocate failed for event_data\n", __func__); 153 free(fw_event, M_MPT2); 154 return; 155 } 156 157 bcopy(event->EventData, fw_event->event_data, sz); 158 fw_event->event = event->Event; 159 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || 160 event->Event == MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE || 161 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) && 162 sc->track_mapping_events) 163 sc->pending_map_events++; 164 165 /* 166 * When wait_for_port_enable flag is set, make sure that all the events 167 * are processed. Increment the startup_refcount and decrement it after 168 * events are processed. 169 */ 170 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || 171 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) && 172 sc->wait_for_port_enable) 173 mpssas_startup_increment(sc->sassc); 174 175 TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link); 176 taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task); 177 178} 179 180static void 181mpssas_fw_event_free(struct mps_softc *sc, struct mps_fw_event_work *fw_event) 182{ 183 184 free(fw_event->event_data, M_MPT2); 185 free(fw_event, M_MPT2); 186} 187 188/** 189 * _mps_fw_work - delayed task for processing firmware events 190 * @sc: per adapter object 191 * @fw_event: The fw_event_work object 192 * Context: user. 193 * 194 * Return nothing. 195 */ 196static void 197mpssas_fw_work(struct mps_softc *sc, struct mps_fw_event_work *fw_event) 198{ 199 struct mpssas_softc *sassc; 200 sassc = sc->sassc; 201 202 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Working on Event: [%x]\n", 203 event_count++,__func__,fw_event->event); 204 switch (fw_event->event) { 205 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: 206 { 207 MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data; 208 MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy; 209 int i; 210 211 data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *) 212 fw_event->event_data; 213 214 mps_mapping_topology_change_event(sc, fw_event->event_data); 215 216 for (i = 0; i < data->NumEntries; i++) { 217 phy = &data->PHY[i]; 218 switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) { 219 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: 220 if (mpssas_add_device(sc, 221 le16toh(phy->AttachedDevHandle), 222 phy->LinkRate)){ 223 mps_dprint(sc, MPS_ERROR, "%s: " 224 "failed to add device with handle " 225 "0x%x\n", __func__, 226 le16toh(phy->AttachedDevHandle)); 227 mpssas_prepare_remove(sassc, le16toh( 228 phy->AttachedDevHandle)); 229 } 230 break; 231 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: 232 mpssas_prepare_remove(sassc,le16toh( 233 phy->AttachedDevHandle)); 234 break; 235 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: 236 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: 237 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: 238 default: 239 break; 240 } 241 } 242 /* 243 * refcount was incremented for this event in 244 * mpssas_evt_handler. Decrement it here because the event has 245 * been processed. 246 */ 247 mpssas_startup_decrement(sassc); 248 break; 249 } 250 case MPI2_EVENT_SAS_DISCOVERY: 251 { 252 MPI2_EVENT_DATA_SAS_DISCOVERY *data; 253 254 data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data; 255 256 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED) 257 mps_dprint(sc, MPS_TRACE,"SAS discovery start event\n"); 258 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) { 259 mps_dprint(sc, MPS_TRACE,"SAS discovery stop event\n"); 260 sassc->flags &= ~MPSSAS_IN_DISCOVERY; 261 mpssas_discovery_end(sassc); 262 } 263 break; 264 } 265 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: 266 { 267 Mpi2EventDataSasEnclDevStatusChange_t *data; 268 data = (Mpi2EventDataSasEnclDevStatusChange_t *) 269 fw_event->event_data; 270 mps_mapping_enclosure_dev_status_change_event(sc, 271 fw_event->event_data); 272 break; 273 } 274 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: 275 { 276 Mpi2EventIrConfigElement_t *element; 277 int i; 278 u8 foreign_config; 279 Mpi2EventDataIrConfigChangeList_t *event_data; 280 struct mpssas_target *targ; 281 unsigned int id; 282 283 event_data = fw_event->event_data; 284 foreign_config = (le32toh(event_data->Flags) & 285 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; 286 287 element = 288 (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; 289 id = mps_mapping_get_raid_tid_from_handle(sc, 290 element->VolDevHandle); 291 292 mps_mapping_ir_config_change_event(sc, event_data); 293 294 for (i = 0; i < event_data->NumElements; i++, element++) { 295 switch (element->ReasonCode) { 296 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: 297 case MPI2_EVENT_IR_CHANGE_RC_ADDED: 298 if (!foreign_config) { 299 if (mpssas_volume_add(sc, 300 le16toh(element->VolDevHandle))){ 301 printf("%s: failed to add RAID " 302 "volume with handle 0x%x\n", 303 __func__, le16toh(element-> 304 VolDevHandle)); 305 } 306 } 307 break; 308 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: 309 case MPI2_EVENT_IR_CHANGE_RC_REMOVED: 310 /* 311 * Rescan after volume is deleted or removed. 312 */ 313 if (!foreign_config) { 314 if (id == MPS_MAP_BAD_ID) { 315 printf("%s: could not get ID " 316 "for volume with handle " 317 "0x%04x\n", __func__, 318 le16toh(element->VolDevHandle)); 319 break; 320 } 321 322 targ = &sassc->targets[id]; 323 targ->handle = 0x0; 324 targ->encl_slot = 0x0; 325 targ->encl_handle = 0x0; 326 targ->exp_dev_handle = 0x0; 327 targ->phy_num = 0x0; 328 targ->linkrate = 0x0; 329 mpssas_rescan_target(sc, targ); 330 printf("RAID target id 0x%x removed\n", 331 targ->tid); 332 } 333 break; 334 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: 335 case MPI2_EVENT_IR_CHANGE_RC_HIDE: 336 /* 337 * Phys Disk of a volume has been created. Hide 338 * it from the OS. 339 */ 340 targ = mpssas_find_target_by_handle(sassc, 0, 341 element->PhysDiskDevHandle); 342 if (targ == NULL) 343 break; 344 345 /* 346 * Set raid component flags only if it is not 347 * WD. OR WrapDrive with 348 * WD_HIDE_ALWAYS/WD_HIDE_IF_VOLUME is set in 349 * NVRAM 350 */ 351 if((!sc->WD_available) || 352 ((sc->WD_available && 353 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) || 354 (sc->WD_valid_config && (sc->WD_hide_expose == 355 MPS_WD_HIDE_IF_VOLUME)))) { 356 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 357 } 358 mpssas_rescan_target(sc, targ); 359 360 break; 361 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: 362 /* 363 * Phys Disk of a volume has been deleted. 364 * Expose it to the OS. 365 */ 366 if (mpssas_add_device(sc, 367 le16toh(element->PhysDiskDevHandle), 0)){ 368 printf("%s: failed to add device with " 369 "handle 0x%x\n", __func__, 370 le16toh(element->PhysDiskDevHandle)); 371 mpssas_prepare_remove(sassc, le16toh(element-> 372 PhysDiskDevHandle)); 373 } 374 break; 375 } 376 } 377 /* 378 * refcount was incremented for this event in 379 * mpssas_evt_handler. Decrement it here because the event has 380 * been processed. 381 */ 382 mpssas_startup_decrement(sassc); 383 break; 384 } 385 case MPI2_EVENT_IR_VOLUME: 386 { 387 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data; 388 389 /* 390 * Informational only. 391 */ 392 mps_dprint(sc, MPS_EVENT, "Received IR Volume event:\n"); 393 switch (event_data->ReasonCode) { 394 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED: 395 mps_dprint(sc, MPS_EVENT, " Volume Settings " 396 "changed from 0x%x to 0x%x for Volome with " 397 "handle 0x%x", le32toh(event_data->PreviousValue), 398 le32toh(event_data->NewValue), 399 le16toh(event_data->VolDevHandle)); 400 break; 401 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED: 402 mps_dprint(sc, MPS_EVENT, " Volume Status " 403 "changed from 0x%x to 0x%x for Volome with " 404 "handle 0x%x", le32toh(event_data->PreviousValue), 405 le32toh(event_data->NewValue), 406 le16toh(event_data->VolDevHandle)); 407 break; 408 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED: 409 mps_dprint(sc, MPS_EVENT, " Volume State " 410 "changed from 0x%x to 0x%x for Volome with " 411 "handle 0x%x", le32toh(event_data->PreviousValue), 412 le32toh(event_data->NewValue), 413 le16toh(event_data->VolDevHandle)); 414 u32 state; 415 struct mpssas_target *targ; 416 state = le32toh(event_data->NewValue); 417 switch (state) { 418 case MPI2_RAID_VOL_STATE_MISSING: 419 case MPI2_RAID_VOL_STATE_FAILED: 420 mpssas_prepare_volume_remove(sassc, event_data-> 421 VolDevHandle); 422 break; 423 424 case MPI2_RAID_VOL_STATE_ONLINE: 425 case MPI2_RAID_VOL_STATE_DEGRADED: 426 case MPI2_RAID_VOL_STATE_OPTIMAL: 427 targ = mpssas_find_target_by_handle(sassc, 0, event_data->VolDevHandle); 428 if (targ) { 429 printf("%s %d: Volume handle 0x%x is already added \n", 430 __func__, __LINE__ , event_data->VolDevHandle); 431 break; 432 } 433 if (mpssas_volume_add(sc, le16toh(event_data->VolDevHandle))) { 434 printf("%s: failed to add RAID " 435 "volume with handle 0x%x\n", 436 __func__, le16toh(event_data-> 437 VolDevHandle)); 438 } 439 break; 440 default: 441 break; 442 } 443 break; 444 default: 445 break; 446 } 447 break; 448 } 449 case MPI2_EVENT_IR_PHYSICAL_DISK: 450 { 451 Mpi2EventDataIrPhysicalDisk_t *event_data = 452 fw_event->event_data; 453 struct mpssas_target *targ; 454 455 /* 456 * Informational only. 457 */ 458 mps_dprint(sc, MPS_EVENT, "Received IR Phys Disk event:\n"); 459 switch (event_data->ReasonCode) { 460 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED: 461 mps_dprint(sc, MPS_EVENT, " Phys Disk Settings " 462 "changed from 0x%x to 0x%x for Phys Disk Number " 463 "%d and handle 0x%x at Enclosure handle 0x%x, Slot " 464 "%d", le32toh(event_data->PreviousValue), 465 le32toh(event_data->NewValue), 466 event_data->PhysDiskNum, 467 le16toh(event_data->PhysDiskDevHandle), 468 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 469 break; 470 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED: 471 mps_dprint(sc, MPS_EVENT, " Phys Disk Status changed " 472 "from 0x%x to 0x%x for Phys Disk Number %d and " 473 "handle 0x%x at Enclosure handle 0x%x, Slot %d", 474 le32toh(event_data->PreviousValue), 475 le32toh(event_data->NewValue), event_data->PhysDiskNum, 476 le16toh(event_data->PhysDiskDevHandle), 477 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 478 break; 479 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED: 480 mps_dprint(sc, MPS_EVENT, " Phys Disk State changed " 481 "from 0x%x to 0x%x for Phys Disk Number %d and " 482 "handle 0x%x at Enclosure handle 0x%x, Slot %d", 483 le32toh(event_data->PreviousValue), 484 le32toh(event_data->NewValue), event_data->PhysDiskNum, 485 le16toh(event_data->PhysDiskDevHandle), 486 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 487 switch (event_data->NewValue) { 488 case MPI2_RAID_PD_STATE_ONLINE: 489 case MPI2_RAID_PD_STATE_DEGRADED: 490 case MPI2_RAID_PD_STATE_REBUILDING: 491 case MPI2_RAID_PD_STATE_OPTIMAL: 492 case MPI2_RAID_PD_STATE_HOT_SPARE: 493 targ = mpssas_find_target_by_handle(sassc, 0, 494 event_data->PhysDiskDevHandle); 495 if (targ) { 496 if(!sc->WD_available) { 497 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 498 printf("%s %d: Found Target for handle 0x%x. \n", 499 __func__, __LINE__ , event_data->PhysDiskDevHandle); 500 } else if ((sc->WD_available && 501 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) || 502 (sc->WD_valid_config && (sc->WD_hide_expose == 503 MPS_WD_HIDE_IF_VOLUME))) { 504 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 505 printf("%s %d: WD: Found Target for handle 0x%x. \n", 506 __func__, __LINE__ , event_data->PhysDiskDevHandle); 507 } 508 } 509 break; 510 case MPI2_RAID_PD_STATE_OFFLINE: 511 case MPI2_RAID_PD_STATE_NOT_CONFIGURED: 512 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: 513 default: 514 targ = mpssas_find_target_by_handle(sassc, 0, 515 event_data->PhysDiskDevHandle); 516 if (targ) { 517 targ->flags |= ~MPS_TARGET_FLAGS_RAID_COMPONENT; 518 printf("%s %d: Found Target for handle 0x%x. \n", 519 __func__, __LINE__ , event_data->PhysDiskDevHandle); 520 } 521 break; 522 } 523 default: 524 break; 525 } 526 break; 527 } 528 case MPI2_EVENT_IR_OPERATION_STATUS: 529 { 530 Mpi2EventDataIrOperationStatus_t *event_data = 531 fw_event->event_data; 532 533 /* 534 * Informational only. 535 */ 536 mps_dprint(sc, MPS_EVENT, "Received IR Op Status event:\n"); 537 mps_dprint(sc, MPS_EVENT, " RAID Operation of %d is %d " 538 "percent complete for Volume with handle 0x%x", 539 event_data->RAIDOperation, event_data->PercentComplete, 540 le16toh(event_data->VolDevHandle)); 541 break; 542 } 543 case MPI2_EVENT_LOG_ENTRY_ADDED: 544 { 545 pMpi2EventDataLogEntryAdded_t logEntry; 546 uint16_t logQualifier; 547 uint8_t logCode; 548 549 logEntry = (pMpi2EventDataLogEntryAdded_t)fw_event->event_data; 550 logQualifier = logEntry->LogEntryQualifier; 551 552 if (logQualifier == MPI2_WD_LOG_ENTRY) { 553 logCode = logEntry->LogData[0]; 554 555 switch (logCode) { 556 case MPI2_WD_SSD_THROTTLING: 557 printf("WarpDrive Warning: IO Throttling has " 558 "occurred in the WarpDrive subsystem. " 559 "Check WarpDrive documentation for " 560 "additional details\n"); 561 break; 562 case MPI2_WD_DRIVE_LIFE_WARN: 563 printf("WarpDrive Warning: Program/Erase " 564 "Cycles for the WarpDrive subsystem in " 565 "degraded range. Check WarpDrive " 566 "documentation for additional details\n"); 567 break; 568 case MPI2_WD_DRIVE_LIFE_DEAD: 569 printf("WarpDrive Fatal Error: There are no " 570 "Program/Erase Cycles for the WarpDrive " 571 "subsystem. The storage device will be in " 572 "read-only mode. Check WarpDrive " 573 "documentation for additional details\n"); 574 break; 575 case MPI2_WD_RAIL_MON_FAIL: 576 printf("WarpDrive Fatal Error: The Backup Rail " 577 "Monitor has failed on the WarpDrive " 578 "subsystem. Check WarpDrive documentation " 579 "for additional details\n"); 580 break; 581 default: 582 break; 583 } 584 } 585 break; 586 } 587 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: 588 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: 589 default: 590 mps_dprint(sc, MPS_TRACE,"Unhandled event 0x%0X\n", 591 fw_event->event); 592 break; 593 594 } 595 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Event Free: [%x]\n",event_count,__func__, fw_event->event); 596 mpssas_fw_event_free(sc, fw_event); 597} 598 599void 600mpssas_firmware_event_work(void *arg, int pending) 601{ 602 struct mps_fw_event_work *fw_event; 603 struct mps_softc *sc; 604 605 sc = (struct mps_softc *)arg; 606 mps_lock(sc); 607 while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) { 608 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link); 609 mpssas_fw_work(sc, fw_event); 610 } 611 mps_unlock(sc); 612} 613 614static int 615mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate){ 616 char devstring[80]; 617 struct mpssas_softc *sassc; 618 struct mpssas_target *targ; 619 Mpi2ConfigReply_t mpi_reply; 620 Mpi2SasDevicePage0_t config_page; 621 uint64_t sas_address; 622 uint64_t parent_sas_address = 0; 623 u32 device_info, parent_devinfo = 0; 624 unsigned int id; 625 int ret = 1, error = 0, i; 626 struct mpssas_lun *lun; 627 u8 is_SATA_SSD = 0; 628 struct mps_command *cm; 629 630 sassc = sc->sassc; 631 mpssas_startup_increment(sassc); 632 if ((mps_config_get_sas_device_pg0(sc, &mpi_reply, &config_page, 633 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { 634 printf("%s: error reading SAS device page0\n", __func__); 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)))) { 649 printf("%s: error reading SAS device %#x page0\n", 650 __func__, le16toh(config_page.ParentDevHandle)); 651 } else { 652 parent_sas_address = parent_config_page.SASAddress.High; 653 parent_sas_address = (parent_sas_address << 32) | 654 parent_config_page.SASAddress.Low; 655 parent_devinfo = le32toh(parent_config_page.DeviceInfo); 656 } 657 } 658 /* TODO Check proper endianness */ 659 sas_address = config_page.SASAddress.High; 660 sas_address = (sas_address << 32) | config_page.SASAddress.Low; 661 662 /* 663 * Always get SATA Identify information because this is used to 664 * determine if Start/Stop Unit should be sent to the drive when the 665 * system is shutdown. 666 */ 667 if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) { 668 ret = mpssas_get_sas_address_for_sata_disk(sc, &sas_address, 669 handle, device_info, &is_SATA_SSD); 670 if (ret) { 671 mps_dprint(sc, MPS_INFO, "%s: failed to get disk type " 672 "(SSD or HDD) for SATA device with handle 0x%04x\n", 673 __func__, handle); 674 } else { 675 mps_dprint(sc, MPS_INFO, "SAS Address from SATA " 676 "device = %jx\n", sas_address); 677 } 678 } 679 680 /* 681 * use_phynum: 682 * 1 - use the PhyNum field as a fallback to the mapping logic 683 * 0 - never use the PhyNum field 684 * -1 - only use the PhyNum field 685 * 686 * Note that using the Phy number to map a device can cause device adds 687 * to fail if multiple enclosures/expanders are in the topology. For 688 * example, if two devices are in the same slot number in two different 689 * enclosures within the topology, only one of those devices will be 690 * added. PhyNum mapping should not be used if multiple enclosures are 691 * in the topology. 692 */ 693 id = MPS_MAP_BAD_ID; 694 if (sc->use_phynum != -1) 695 id = mps_mapping_get_tid(sc, sas_address, handle); 696 if (id == MPS_MAP_BAD_ID) { 697 if ((sc->use_phynum == 0) 698 || ((id = config_page.PhyNum) > sassc->maxtargets)) { 699 mps_dprint(sc, MPS_INFO, "failure at %s:%d/%s()! " 700 "Could not get ID for device with handle 0x%04x\n", 701 __FILE__, __LINE__, __func__, handle); 702 error = ENXIO; 703 goto out; 704 } 705 } 706 mps_dprint(sc, MPS_MAPPING, "%s: Target ID for added device is %d.\n", 707 __func__, id); 708 709 /* 710 * Only do the ID check and reuse check if the target is not from a 711 * RAID Component. For Physical Disks of a Volume, the ID will be reused 712 * when a volume is deleted because the mapping entry for the PD will 713 * still be in the mapping table. The ID check should not be done here 714 * either since this PD is already being used. 715 */ 716 targ = &sassc->targets[id]; 717 if (!(targ->flags & MPS_TARGET_FLAGS_RAID_COMPONENT)) { 718 if (mpssas_check_id(sassc, id) != 0) { 719 device_printf(sc->mps_dev, "Excluding target id %d\n", 720 id); 721 error = ENXIO; 722 goto out; 723 } 724 725 if (targ->handle != 0x0) { 726 mps_dprint(sc, MPS_MAPPING, "Attempting to reuse " 727 "target id %d handle 0x%04x\n", id, targ->handle); 728 error = ENXIO; 729 goto out; 730 } 731 } 732 733 mps_dprint(sc, MPS_MAPPING, "SAS Address from SAS device page0 = %jx\n", 734 sas_address); 735 targ->devinfo = device_info; 736 targ->devname = le32toh(config_page.DeviceName.High); 737 targ->devname = (targ->devname << 32) | 738 le32toh(config_page.DeviceName.Low); 739 targ->encl_handle = le16toh(config_page.EnclosureHandle); 740 targ->encl_slot = le16toh(config_page.Slot); 741 targ->handle = handle; 742 targ->parent_handle = le16toh(config_page.ParentDevHandle); 743 targ->sasaddr = mps_to_u64(&config_page.SASAddress); 744 targ->parent_sasaddr = le64toh(parent_sas_address); 745 targ->parent_devinfo = parent_devinfo; 746 targ->tid = id; 747 targ->linkrate = (linkrate>>4); 748 targ->flags = 0; 749 if (is_SATA_SSD) { 750 targ->flags = MPS_TARGET_IS_SATA_SSD; 751 } 752 TAILQ_INIT(&targ->commands); 753 TAILQ_INIT(&targ->timedout_commands); 754 while(!SLIST_EMPTY(&targ->luns)) { 755 lun = SLIST_FIRST(&targ->luns); 756 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 757 free(lun, M_MPT2); 758 } 759 SLIST_INIT(&targ->luns); 760 761 mps_describe_devinfo(targ->devinfo, devstring, 80); 762 mps_dprint(sc, MPS_MAPPING, "Found device <%s> <%s> <0x%04x> <%d/%d>\n", 763 devstring, mps_describe_table(mps_linkrate_names, targ->linkrate), 764 targ->handle, targ->encl_handle, targ->encl_slot); 765 766#if __FreeBSD_version < 1000039 767 if ((sassc->flags & MPSSAS_IN_STARTUP) == 0) 768#endif 769 mpssas_rescan_target(sc, targ); 770 mps_dprint(sc, MPS_MAPPING, "Target id 0x%x added\n", targ->tid); 771 772 /* 773 * Check all commands to see if the SATA_ID_TIMEOUT flag has been set. 774 * If so, send a Target Reset TM to the target that was just created. 775 * An Abort Task TM should be used instead of a Target Reset, but that 776 * would be much more difficult because targets have not been fully 777 * discovered yet, and LUN's haven't been setup. So, just reset the 778 * target instead of the LUN. 779 */ 780 for (i = 1; i < sc->num_reqs; i++) { 781 cm = &sc->commands[i]; 782 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) { 783 targ->timeouts++; 784 cm->cm_state = MPS_CM_STATE_TIMEDOUT; 785 786 if ((targ->tm = mpssas_alloc_tm(sc)) != NULL) { 787 mps_dprint(sc, MPS_INFO, "%s: sending Target " 788 "Reset for stuck SATA identify command " 789 "(cm = %p)\n", __func__, cm); 790 targ->tm->cm_targ = targ; 791 mpssas_send_reset(sc, targ->tm, 792 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET); 793 } else { 794 mps_dprint(sc, MPS_ERROR, "Failed to allocate " 795 "tm for Target Reset after SATA ID command " 796 "timed out (cm %p)\n", cm); 797 } 798 /* 799 * No need to check for more since the target is 800 * already being reset. 801 */ 802 break; 803 } 804 } 805out: 806 /* 807 * Free the commands that may not have been freed from the SATA ID call 808 */ 809 for (i = 1; i < sc->num_reqs; i++) { 810 cm = &sc->commands[i]; 811 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) { 812 mps_free_command(sc, cm); 813 } 814 } 815 mpssas_startup_decrement(sassc); 816 return (error); 817} 818 819int 820mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 821 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD) 822{ 823 Mpi2SataPassthroughReply_t mpi_reply; 824 int i, rc, try_count; 825 u32 *bufferptr; 826 union _sata_sas_address hash_address; 827 struct _ata_identify_device_data ata_identify; 828 u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN]; 829 u32 ioc_status; 830 u8 sas_status; 831 832 memset(&ata_identify, 0, sizeof(ata_identify)); 833 try_count = 0; 834 do { 835 rc = mpssas_get_sata_identify(sc, handle, &mpi_reply, 836 (char *)&ata_identify, sizeof(ata_identify), device_info); 837 try_count++; 838 ioc_status = le16toh(mpi_reply.IOCStatus) 839 & MPI2_IOCSTATUS_MASK; 840 sas_status = mpi_reply.SASStatus; 841 switch (ioc_status) { 842 case MPI2_IOCSTATUS_SUCCESS: 843 break; 844 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: 845 /* No sense sleeping. this error won't get better */ 846 break; 847 default: 848 if (sc->spinup_wait_time > 0) { 849 mps_dprint(sc, MPS_INFO, "Sleeping %d seconds " 850 "after SATA ID error to wait for spinup\n", 851 sc->spinup_wait_time); 852 msleep(&sc->msleep_fake_chan, &sc->mps_mtx, 0, 853 "mpsid", sc->spinup_wait_time * hz); 854 } 855 } 856 } while (((rc && (rc != EWOULDBLOCK)) || 857 (ioc_status && 858 (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR)) 859 || sas_status) && (try_count < 5)); 860 861 if (rc == 0 && !ioc_status && !sas_status) { 862 mps_dprint(sc, MPS_MAPPING, "%s: got SATA identify " 863 "successfully for handle = 0x%x with try_count = %d\n", 864 __func__, handle, try_count); 865 } else { 866 mps_dprint(sc, MPS_MAPPING, "%s: handle = 0x%x failed\n", 867 __func__, handle); 868 return -1; 869 } 870 /* Copy & byteswap the 40 byte model number to a buffer */ 871 for (i = 0; i < MPT2SAS_MN_LEN; i += 2) { 872 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1]; 873 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i]; 874 } 875 /* Copy & byteswap the 20 byte serial number to a buffer */ 876 for (i = 0; i < MPT2SAS_SN_LEN; i += 2) { 877 buffer[MPT2SAS_MN_LEN + i] = 878 ((u8 *)ata_identify.serial_number)[i + 1]; 879 buffer[MPT2SAS_MN_LEN + i + 1] = 880 ((u8 *)ata_identify.serial_number)[i]; 881 } 882 bufferptr = (u32 *)buffer; 883 /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8, 884 * so loop through the first 56 bytes (7*8), 885 * and then add in the last dword. 886 */ 887 hash_address.word.low = 0; 888 hash_address.word.high = 0; 889 for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) { 890 hash_address.word.low += *bufferptr; 891 bufferptr++; 892 hash_address.word.high += *bufferptr; 893 bufferptr++; 894 } 895 /* Add the last dword */ 896 hash_address.word.low += *bufferptr; 897 /* Make sure the hash doesn't start with 5, because it could clash 898 * with a SAS address. Change 5 to a D. 899 */ 900 if ((hash_address.word.high & 0x000000F0) == (0x00000050)) 901 hash_address.word.high |= 0x00000080; 902 *sas_address = (u64)hash_address.wwid[0] << 56 | 903 (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 | 904 (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 | 905 (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] << 8 | 906 (u64)hash_address.wwid[7]; 907 if (ata_identify.rotational_speed == 1) { 908 *is_SATA_SSD = 1; 909 } 910 911 return 0; 912} 913 914static int 915mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, 916 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo) 917{ 918 Mpi2SataPassthroughRequest_t *mpi_request; 919 Mpi2SataPassthroughReply_t *reply = NULL; 920 struct mps_command *cm; 921 char *buffer; 922 int error = 0; 923 924 buffer = malloc( sz, M_MPT2, M_NOWAIT | M_ZERO); 925 if (!buffer) 926 return ENOMEM; 927 928 if ((cm = mps_alloc_command(sc)) == NULL) { 929 free(buffer, M_MPT2); 930 return (EBUSY); 931 } 932 mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req; 933 bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST)); 934 mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH; 935 mpi_request->VF_ID = 0; 936 mpi_request->DevHandle = htole16(handle); 937 mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO | 938 MPI2_SATA_PT_REQ_PT_FLAGS_READ); 939 mpi_request->DataLength = htole32(sz); 940 mpi_request->CommandFIS[0] = 0x27; 941 mpi_request->CommandFIS[1] = 0x80; 942 mpi_request->CommandFIS[2] = (devinfo & 943 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC; 944 cm->cm_sge = &mpi_request->SGL; 945 cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION); 946 cm->cm_flags = MPS_CM_FLAGS_SGE_SIMPLE | MPS_CM_FLAGS_DATAIN; 947 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 948 cm->cm_data = buffer; 949 cm->cm_length = htole32(sz); 950 951 /* 952 * Start a timeout counter specifically for the SATA ID command. This 953 * is used to fix a problem where the FW does not send a reply sometimes 954 * when a bad disk is in the topology. So, this is used to timeout the 955 * command so that processing can continue normally. 956 */ 957 mps_dprint(sc, MPS_XINFO, "%s start timeout counter for SATA ID " 958 "command\n", __func__); 959 callout_reset(&cm->cm_callout, MPS_ATA_ID_TIMEOUT * hz, 960 mpssas_ata_id_timeout, cm); 961 error = mps_wait_command(sc, &cm, 60, CAN_SLEEP); 962 mps_dprint(sc, MPS_XINFO, "%s stop timeout counter for SATA ID " 963 "command\n", __func__); 964 /* XXX KDM need to fix the case where this command is destroyed */ 965 callout_stop(&cm->cm_callout); 966 967 if (cm != NULL) 968 reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply; 969 if (error || (reply == NULL)) { 970 /* FIXME */ 971 /* 972 * If the request returns an error then we need to do a diag 973 * reset 974 */ 975 printf("%s: request for page completed with error %d", 976 __func__, error); 977 error = ENXIO; 978 goto out; 979 } 980 bcopy(buffer, id_buffer, sz); 981 bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t)); 982 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) != 983 MPI2_IOCSTATUS_SUCCESS) { 984 printf("%s: error reading SATA PASSTHRU; iocstatus = 0x%x\n", 985 __func__, reply->IOCStatus); 986 error = ENXIO; 987 goto out; 988 } 989out: 990 /* 991 * If the SATA_ID_TIMEOUT flag has been set for this command, don't free 992 * it. The command will be freed after sending a target reset TM. If 993 * the command did timeout, use EWOULDBLOCK. 994 */ 995 if ((cm != NULL) 996 && (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) == 0) 997 mps_free_command(sc, cm); 998 else if (error == 0) 999 error = EWOULDBLOCK; 1000 free(buffer, M_MPT2); 1001 return (error); 1002} 1003 1004static void 1005mpssas_ata_id_timeout(void *data) 1006{ 1007 struct mps_softc *sc; 1008 struct mps_command *cm; 1009 1010 cm = (struct mps_command *)data; 1011 sc = cm->cm_sc; 1012 mtx_assert(&sc->mps_mtx, MA_OWNED); 1013 1014 mps_dprint(sc, MPS_INFO, "%s checking ATA ID command %p sc %p\n", 1015 __func__, cm, sc); 1016 if ((callout_pending(&cm->cm_callout)) || 1017 (!callout_active(&cm->cm_callout))) { 1018 mps_dprint(sc, MPS_INFO, "%s ATA ID command almost timed out\n", 1019 __func__); 1020 return; 1021 } 1022 callout_deactivate(&cm->cm_callout); 1023 1024 /* 1025 * Run the interrupt handler to make sure it's not pending. This 1026 * isn't perfect because the command could have already completed 1027 * and been re-used, though this is unlikely. 1028 */ 1029 mps_intr_locked(sc); 1030 if (cm->cm_state == MPS_CM_STATE_FREE) { 1031 mps_dprint(sc, MPS_INFO, "%s ATA ID command almost timed out\n", 1032 __func__); 1033 return; 1034 } 1035 1036 mps_dprint(sc, MPS_INFO, "ATA ID command timeout cm %p\n", cm); 1037 1038 /* 1039 * Send wakeup() to the sleeping thread that issued this ATA ID command. 1040 * wakeup() will cause msleep to return a 0 (not EWOULDBLOCK), and this 1041 * will keep reinit() from being called. This way, an Abort Task TM can 1042 * be issued so that the timed out command can be cleared. The Abort 1043 * Task cannot be sent from here because the driver has not completed 1044 * setting up targets. Instead, the command is flagged so that special 1045 * handling will be used to send the abort. 1046 */ 1047 cm->cm_flags |= MPS_CM_FLAGS_SATA_ID_TIMEOUT; 1048 wakeup(cm); 1049} 1050 1051static int 1052mpssas_volume_add(struct mps_softc *sc, u16 handle) 1053{ 1054 struct mpssas_softc *sassc; 1055 struct mpssas_target *targ; 1056 u64 wwid; 1057 unsigned int id; 1058 int error = 0; 1059 struct mpssas_lun *lun; 1060 1061 sassc = sc->sassc; 1062 mpssas_startup_increment(sassc); 1063 /* wwid is endian safe */ 1064 mps_config_get_volume_wwid(sc, handle, &wwid); 1065 if (!wwid) { 1066 printf("%s: invalid WWID; cannot add volume to mapping table\n", 1067 __func__); 1068 error = ENXIO; 1069 goto out; 1070 } 1071 1072 id = mps_mapping_get_raid_tid(sc, wwid, handle); 1073 if (id == MPS_MAP_BAD_ID) { 1074 printf("%s: could not get ID for volume with handle 0x%04x and " 1075 "WWID 0x%016llx\n", __func__, handle, 1076 (unsigned long long)wwid); 1077 error = ENXIO; 1078 goto out; 1079 } 1080 1081 targ = &sassc->targets[id]; 1082 targ->tid = id; 1083 targ->handle = handle; 1084 targ->devname = wwid; 1085 TAILQ_INIT(&targ->commands); 1086 TAILQ_INIT(&targ->timedout_commands); 1087 while(!SLIST_EMPTY(&targ->luns)) { 1088 lun = SLIST_FIRST(&targ->luns); 1089 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 1090 free(lun, M_MPT2); 1091 } 1092 SLIST_INIT(&targ->luns); 1093#if __FreeBSD_version < 1000039 1094 if ((sassc->flags & MPSSAS_IN_STARTUP) == 0) 1095#endif 1096 mpssas_rescan_target(sc, targ); 1097 mps_dprint(sc, MPS_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n", 1098 targ->tid, wwid); 1099out: 1100 mpssas_startup_decrement(sassc); 1101 return (error); 1102} 1103 1104/** 1105 * mpssas_SSU_to_SATA_devices 1106 * @sc: per adapter object 1107 * 1108 * Looks through the target list and issues a StartStopUnit SCSI command to each 1109 * SATA direct-access device. This helps to ensure that data corruption is 1110 * avoided when the system is being shut down. This must be called after the IR 1111 * System Shutdown RAID Action is sent if in IR mode. 1112 * 1113 * Return nothing. 1114 */ 1115static void 1116mpssas_SSU_to_SATA_devices(struct mps_softc *sc, int howto) 1117{ 1118 struct mpssas_softc *sassc = sc->sassc; 1119 union ccb *ccb; 1120 path_id_t pathid = cam_sim_path(sassc->sim); 1121 target_id_t targetid; 1122 struct mpssas_target *target; 1123 char path_str[64]; 1124 int timeout; 1125 1126 /* 1127 * For each target, issue a StartStopUnit command to stop the device. 1128 */ 1129 sc->SSU_started = TRUE; 1130 sc->SSU_refcount = 0; 1131 for (targetid = 0; targetid < sc->max_devices; targetid++) { 1132 target = &sassc->targets[targetid]; 1133 if (target->handle == 0x0) { 1134 continue; 1135 } 1136 1137 ccb = xpt_alloc_ccb_nowait(); 1138 if (ccb == NULL) { 1139 mps_dprint(sc, MPS_FAULT, "Unable to alloc CCB to stop " 1140 "unit.\n"); 1141 return; 1142 } 1143 1144 /* 1145 * The stop_at_shutdown flag will be set if this device is 1146 * a SATA direct-access end device. 1147 */ 1148 if (target->stop_at_shutdown) { 1149 if (xpt_create_path(&ccb->ccb_h.path, 1150 xpt_periph, pathid, targetid, 1151 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1152 mps_dprint(sc, MPS_FAULT, "Unable to create " 1153 "LUN path to stop unit.\n"); 1154 xpt_free_ccb(ccb); 1155 return; 1156 } 1157 xpt_path_string(ccb->ccb_h.path, path_str, 1158 sizeof(path_str)); 1159 1160 mps_dprint(sc, MPS_INFO, "Sending StopUnit: path %s " 1161 "handle %d\n", path_str, target->handle); 1162 1163 /* 1164 * Issue a START STOP UNIT command for the target. 1165 * Increment the SSU counter to be used to count the 1166 * number of required replies. 1167 */ 1168 mps_dprint(sc, MPS_INFO, "Incrementing SSU count\n"); 1169 sc->SSU_refcount++; 1170 ccb->ccb_h.target_id = 1171 xpt_path_target_id(ccb->ccb_h.path); 1172 ccb->ccb_h.ppriv_ptr1 = sassc; 1173 scsi_start_stop(&ccb->csio, 1174 /*retries*/0, 1175 mpssas_stop_unit_done, 1176 MSG_SIMPLE_Q_TAG, 1177 /*start*/FALSE, 1178 /*load/eject*/0, 1179 /*immediate*/FALSE, 1180 MPS_SENSE_LEN, 1181 /*timeout*/10000); 1182 xpt_action(ccb); 1183 } 1184 } 1185 1186 /* 1187 * Timeout after 60 seconds by default or 10 seconds if howto has 1188 * RB_NOSYNC set which indicates we're likely handling a panic. 1189 */ 1190 timeout = 600; 1191 if (howto & RB_NOSYNC) 1192 timeout = 100; 1193 1194 /* 1195 * Wait until all of the SSU commands have completed or timeout has 1196 * expired. Pause for 100ms each time through. If any command 1197 * times out, the target will be reset in the SCSI command timeout 1198 * routine. 1199 */ 1200 while (sc->SSU_refcount > 0) { 1201 pause("mpswait", hz/10); 1202 1203 if (--timeout == 0) { 1204 mps_dprint(sc, MPS_FAULT, "Time has expired waiting " 1205 "for SSU commands to complete.\n"); 1206 break; 1207 } 1208 } 1209} 1210 1211static void 1212mpssas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb) 1213{ 1214 struct mpssas_softc *sassc; 1215 char path_str[64]; 1216 1217 if (done_ccb == NULL) 1218 return; 1219 1220 sassc = (struct mpssas_softc *)done_ccb->ccb_h.ppriv_ptr1; 1221 1222 xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str)); 1223 mps_dprint(sassc->sc, MPS_INFO, "Completing stop unit for %s\n", 1224 path_str); 1225 1226 /* 1227 * Nothing more to do except free the CCB and path. If the command 1228 * timed out, an abort reset, then target reset will be issued during 1229 * the SCSI Command process. 1230 */ 1231 xpt_free_path(done_ccb->ccb_h.path); 1232 xpt_free_ccb(done_ccb); 1233} 1234 1235/** 1236 * mpssas_ir_shutdown - IR shutdown notification 1237 * @sc: per adapter object 1238 * 1239 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that 1240 * the host system is shutting down. 1241 * 1242 * Return nothing. 1243 */ 1244void 1245mpssas_ir_shutdown(struct mps_softc *sc, int howto) 1246{ 1247 u16 volume_mapping_flags; 1248 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1249 struct dev_mapping_table *mt_entry; 1250 u32 start_idx, end_idx; 1251 unsigned int id, found_volume = 0; 1252 struct mps_command *cm; 1253 Mpi2RaidActionRequest_t *action; 1254 target_id_t targetid; 1255 struct mpssas_target *target; 1256 1257 mps_dprint(sc, MPS_TRACE, "%s\n", __func__); 1258 1259 /* is IR firmware build loaded? */ 1260 if (!sc->ir_firmware) 1261 goto out; 1262 1263 /* are there any volumes? Look at IR target IDs. */ 1264 // TODO-later, this should be looked up in the RAID config structure 1265 // when it is implemented. 1266 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) & 1267 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; 1268 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) { 1269 start_idx = 0; 1270 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0) 1271 start_idx = 1; 1272 } else 1273 start_idx = sc->max_devices - sc->max_volumes; 1274 end_idx = start_idx + sc->max_volumes - 1; 1275 1276 for (id = start_idx; id < end_idx; id++) { 1277 mt_entry = &sc->mapping_table[id]; 1278 if ((mt_entry->physical_id != 0) && 1279 (mt_entry->missing_count == 0)) { 1280 found_volume = 1; 1281 break; 1282 } 1283 } 1284 1285 if (!found_volume) 1286 goto out; 1287 1288 if ((cm = mps_alloc_command(sc)) == NULL) { 1289 printf("%s: command alloc failed\n", __func__); 1290 goto out; 1291 } 1292 1293 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req; 1294 action->Function = MPI2_FUNCTION_RAID_ACTION; 1295 action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; 1296 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 1297 mps_lock(sc); 1298 mps_wait_command(sc, &cm, 5, CAN_SLEEP); 1299 mps_unlock(sc); 1300 1301 /* 1302 * Don't check for reply, just leave. 1303 */ 1304 if (cm) 1305 mps_free_command(sc, cm); 1306 1307out: 1308 /* 1309 * All of the targets must have the correct value set for 1310 * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable. 1311 * 1312 * The possible values for the 'enable_ssu' variable are: 1313 * 0: disable to SSD and HDD 1314 * 1: disable only to HDD (default) 1315 * 2: disable only to SSD 1316 * 3: enable to SSD and HDD 1317 * anything else will default to 1. 1318 */ 1319 for (targetid = 0; targetid < sc->max_devices; targetid++) { 1320 target = &sc->sassc->targets[targetid]; 1321 if (target->handle == 0x0) { 1322 continue; 1323 } 1324 1325 if (target->supports_SSU) { 1326 switch (sc->enable_ssu) { 1327 case MPS_SSU_DISABLE_SSD_DISABLE_HDD: 1328 target->stop_at_shutdown = FALSE; 1329 break; 1330 case MPS_SSU_DISABLE_SSD_ENABLE_HDD: 1331 target->stop_at_shutdown = TRUE; 1332 if (target->flags & MPS_TARGET_IS_SATA_SSD) { 1333 target->stop_at_shutdown = FALSE; 1334 } 1335 break; 1336 case MPS_SSU_ENABLE_SSD_ENABLE_HDD: 1337 target->stop_at_shutdown = TRUE; 1338 break; 1339 case MPS_SSU_ENABLE_SSD_DISABLE_HDD: 1340 default: 1341 target->stop_at_shutdown = TRUE; 1342 if ((target->flags & 1343 MPS_TARGET_IS_SATA_SSD) == 0) { 1344 target->stop_at_shutdown = FALSE; 1345 } 1346 break; 1347 } 1348 } 1349 } 1350 mpssas_SSU_to_SATA_devices(sc, howto); 1351} 1352