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sys/dev/mps/mps_sas_lsi.c
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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: releng/12.0/sys/dev/mps/mps_sas_lsi.c 337725 2018-08-13 19:59:42Z imp $"); 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/proc.h> 52 #include <sys/queue.h> 53 #include <sys/kthread.h> 54 #include <sys/taskqueue.h> 55 #include <sys/sbuf.h> 56 #include <sys/reboot.h> 57 58 #include <machine/bus.h> 59 #include <machine/resource.h> 60 #include <sys/rman.h> 61 62 #include <machine/stdarg.h> 63 64 #include <cam/cam.h> 65 #include <cam/cam_ccb.h> 66 #include <cam/cam_debug.h> 67 #include <cam/cam_sim.h> 68 #include <cam/cam_xpt_sim.h> 69 #include <cam/cam_xpt_periph.h> 70 #include <cam/cam_periph.h> 71 #include <cam/scsi/scsi_all.h> 72 #include <cam/scsi/scsi_message.h> 73 74 #include <dev/mps/mpi/mpi2_type.h> 75 #include <dev/mps/mpi/mpi2.h> 76 #include <dev/mps/mpi/mpi2_ioc.h> 77 #include <dev/mps/mpi/mpi2_sas.h> 78 #include <dev/mps/mpi/mpi2_cnfg.h> 79 #include <dev/mps/mpi/mpi2_init.h> 80 #include <dev/mps/mpi/mpi2_raid.h> 81 #include <dev/mps/mpi/mpi2_tool.h> 82 #include <dev/mps/mps_ioctl.h> 83 #include <dev/mps/mpsvar.h> 84 #include <dev/mps/mps_table.h> 85 #include <dev/mps/mps_sas.h> 86 87 /* For Hashed SAS Address creation for SATA Drives */ 88 #define MPT2SAS_SN_LEN 20 89 #define MPT2SAS_MN_LEN 40 90 91 struct mps_fw_event_work { 92 u16 event; 93 void *event_data; 94 TAILQ_ENTRY(mps_fw_event_work) ev_link; 95 }; 96 97 union _sata_sas_address { 98 u8 wwid[8]; 99 struct { 100 u32 high; 101 u32 low; 102 } word; 103 }; 104 105 /* 106 * define the IDENTIFY DEVICE structure 107 */ 108 struct _ata_identify_device_data { 109 u16 reserved1[10]; /* 0-9 */ 110 u16 serial_number[10]; /* 10-19 */ 111 u16 reserved2[7]; /* 20-26 */ 112 u16 model_number[20]; /* 27-46*/ 113 u16 reserved3[170]; /* 47-216 */ 114 u16 rotational_speed; /* 217 */ 115 u16 reserved4[38]; /* 218-255 */ 116 }; 117 static u32 event_count; 118 static void mpssas_fw_work(struct mps_softc *sc, 119 struct mps_fw_event_work *fw_event); 120 static void mpssas_fw_event_free(struct mps_softc *, 121 struct mps_fw_event_work *); 122 static int mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate); 123 static int mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, 124 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, 125 u32 devinfo); 126 static void mpssas_ata_id_timeout(void *data); 127 int mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 128 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD); 129 static int mpssas_volume_add(struct mps_softc *sc, 130 u16 handle); 131 static void mpssas_SSU_to_SATA_devices(struct mps_softc *sc, int howto); 132 static void mpssas_stop_unit_done(struct cam_periph *periph, 133 union ccb *done_ccb); 134 135 void 136 mpssas_evt_handler(struct mps_softc *sc, uintptr_t data, 137 MPI2_EVENT_NOTIFICATION_REPLY *event) 138 { 139 struct mps_fw_event_work *fw_event; 140 u16 sz; 141 142 mps_dprint(sc, MPS_TRACE, "%s\n", __func__); 143 MPS_DPRINT_EVENT(sc, sas, event); 144 mpssas_record_event(sc, event); 145 146 fw_event = malloc(sizeof(struct mps_fw_event_work), M_MPT2, 147 M_ZERO|M_NOWAIT); 148 if (!fw_event) { 149 printf("%s: allocate failed for fw_event\n", __func__); 150 return; 151 } 152 sz = le16toh(event->EventDataLength) * 4; 153 fw_event->event_data = malloc(sz, M_MPT2, M_ZERO|M_NOWAIT); 154 if (!fw_event->event_data) { 155 printf("%s: allocate failed for event_data\n", __func__); 156 free(fw_event, M_MPT2); 157 return; 158 } 159 160 bcopy(event->EventData, fw_event->event_data, sz); 161 fw_event->event = event->Event; 162 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || 163 event->Event == MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE || 164 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) && 165 sc->track_mapping_events) 166 sc->pending_map_events++; 167 168 /* 169 * When wait_for_port_enable flag is set, make sure that all the events 170 * are processed. Increment the startup_refcount and decrement it after 171 * events are processed. 172 */ 173 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || 174 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) && 175 sc->wait_for_port_enable) 176 mpssas_startup_increment(sc->sassc); 177 178 TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link); 179 taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task); 180 181 } 182 183 static void 184 mpssas_fw_event_free(struct mps_softc *sc, struct mps_fw_event_work *fw_event) 185 { 186 187 free(fw_event->event_data, M_MPT2); 188 free(fw_event, M_MPT2); 189 } 190 191 /** 192 * _mps_fw_work - delayed task for processing firmware events 193 * @sc: per adapter object 194 * @fw_event: The fw_event_work object 195 * Context: user. 196 * 197 * Return nothing. 198 */ 199 static void 200 mpssas_fw_work(struct mps_softc *sc, struct mps_fw_event_work *fw_event) 201 { 202 struct mpssas_softc *sassc; 203 sassc = sc->sassc; 204 205 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Working on Event: [%x]\n", 206 event_count++,__func__,fw_event->event); 207 switch (fw_event->event) { 208 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: 209 { 210 MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data; 211 MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy; 212 int i; 213 214 data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *) 215 fw_event->event_data; 216 217 mps_mapping_topology_change_event(sc, fw_event->event_data); 218 219 for (i = 0; i < data->NumEntries; i++) { 220 phy = &data->PHY[i]; 221 switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) { 222 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: 223 if (mpssas_add_device(sc, 224 le16toh(phy->AttachedDevHandle), 225 phy->LinkRate)){ 226 mps_dprint(sc, MPS_ERROR, "%s: " 227 "failed to add device with handle " 228 "0x%x\n", __func__, 229 le16toh(phy->AttachedDevHandle)); 230 mpssas_prepare_remove(sassc, le16toh( 231 phy->AttachedDevHandle)); 232 } 233 break; 234 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: 235 mpssas_prepare_remove(sassc,le16toh( 236 phy->AttachedDevHandle)); 237 break; 238 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: 239 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: 240 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: 241 default: 242 break; 243 } 244 } 245 /* 246 * refcount was incremented for this event in 247 * mpssas_evt_handler. Decrement it here because the event has 248 * been processed. 249 */ 250 mpssas_startup_decrement(sassc); 251 break; 252 } 253 case MPI2_EVENT_SAS_DISCOVERY: 254 { 255 MPI2_EVENT_DATA_SAS_DISCOVERY *data; 256 257 data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data; 258 259 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED) 260 mps_dprint(sc, MPS_TRACE,"SAS discovery start event\n"); 261 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) { 262 mps_dprint(sc, MPS_TRACE,"SAS discovery stop event\n"); 263 sassc->flags &= ~MPSSAS_IN_DISCOVERY; 264 mpssas_discovery_end(sassc); 265 } 266 break; 267 } 268 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: 269 { 270 Mpi2EventDataSasEnclDevStatusChange_t *data; 271 data = (Mpi2EventDataSasEnclDevStatusChange_t *) 272 fw_event->event_data; 273 mps_mapping_enclosure_dev_status_change_event(sc, 274 fw_event->event_data); 275 break; 276 } 277 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: 278 { 279 Mpi2EventIrConfigElement_t *element; 280 int i; 281 u8 foreign_config; 282 Mpi2EventDataIrConfigChangeList_t *event_data; 283 struct mpssas_target *targ; 284 unsigned int id; 285 286 event_data = fw_event->event_data; 287 foreign_config = (le32toh(event_data->Flags) & 288 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; 289 290 element = 291 (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; 292 id = mps_mapping_get_raid_tid_from_handle(sc, 293 element->VolDevHandle); 294 295 mps_mapping_ir_config_change_event(sc, event_data); 296 297 for (i = 0; i < event_data->NumElements; i++, element++) { 298 switch (element->ReasonCode) { 299 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: 300 case MPI2_EVENT_IR_CHANGE_RC_ADDED: 301 if (!foreign_config) { 302 if (mpssas_volume_add(sc, 303 le16toh(element->VolDevHandle))){ 304 printf("%s: failed to add RAID " 305 "volume with handle 0x%x\n", 306 __func__, le16toh(element-> 307 VolDevHandle)); 308 } 309 } 310 break; 311 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: 312 case MPI2_EVENT_IR_CHANGE_RC_REMOVED: 313 /* 314 * Rescan after volume is deleted or removed. 315 */ 316 if (!foreign_config) { 317 if (id == MPS_MAP_BAD_ID) { 318 printf("%s: could not get ID " 319 "for volume with handle " 320 "0x%04x\n", __func__, 321 le16toh(element->VolDevHandle)); 322 break; 323 } 324 325 targ = &sassc->targets[id]; 326 targ->handle = 0x0; 327 targ->encl_slot = 0x0; 328 targ->encl_handle = 0x0; 329 targ->exp_dev_handle = 0x0; 330 targ->phy_num = 0x0; 331 targ->linkrate = 0x0; 332 mpssas_rescan_target(sc, targ); 333 printf("RAID target id 0x%x removed\n", 334 targ->tid); 335 } 336 break; 337 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: 338 case MPI2_EVENT_IR_CHANGE_RC_HIDE: 339 /* 340 * Phys Disk of a volume has been created. Hide 341 * it from the OS. 342 */ 343 targ = mpssas_find_target_by_handle(sassc, 0, 344 element->PhysDiskDevHandle); 345 if (targ == NULL) 346 break; 347 348 /* 349 * Set raid component flags only if it is not 350 * WD. OR WrapDrive with 351 * WD_HIDE_ALWAYS/WD_HIDE_IF_VOLUME is set in 352 * NVRAM 353 */ 354 if((!sc->WD_available) || 355 ((sc->WD_available && 356 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) || 357 (sc->WD_valid_config && (sc->WD_hide_expose == 358 MPS_WD_HIDE_IF_VOLUME)))) { 359 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 360 } 361 mpssas_rescan_target(sc, targ); 362 363 break; 364 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: 365 /* 366 * Phys Disk of a volume has been deleted. 367 * Expose it to the OS. 368 */ 369 if (mpssas_add_device(sc, 370 le16toh(element->PhysDiskDevHandle), 0)){ 371 printf("%s: failed to add device with " 372 "handle 0x%x\n", __func__, 373 le16toh(element->PhysDiskDevHandle)); 374 mpssas_prepare_remove(sassc, le16toh(element-> 375 PhysDiskDevHandle)); 376 } 377 break; 378 } 379 } 380 /* 381 * refcount was incremented for this event in 382 * mpssas_evt_handler. Decrement it here because the event has 383 * been processed. 384 */ 385 mpssas_startup_decrement(sassc); 386 break; 387 } 388 case MPI2_EVENT_IR_VOLUME: 389 { 390 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data; 391 392 /* 393 * Informational only. 394 */ 395 mps_dprint(sc, MPS_EVENT, "Received IR Volume event:\n"); 396 switch (event_data->ReasonCode) { 397 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED: 398 mps_dprint(sc, MPS_EVENT, " Volume Settings " 399 "changed from 0x%x to 0x%x for Volome with " 400 "handle 0x%x", le32toh(event_data->PreviousValue), 401 le32toh(event_data->NewValue), 402 le16toh(event_data->VolDevHandle)); 403 break; 404 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED: 405 mps_dprint(sc, MPS_EVENT, " Volume Status " 406 "changed from 0x%x to 0x%x for Volome with " 407 "handle 0x%x", le32toh(event_data->PreviousValue), 408 le32toh(event_data->NewValue), 409 le16toh(event_data->VolDevHandle)); 410 break; 411 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED: 412 mps_dprint(sc, MPS_EVENT, " Volume State " 413 "changed from 0x%x to 0x%x for Volome with " 414 "handle 0x%x", le32toh(event_data->PreviousValue), 415 le32toh(event_data->NewValue), 416 le16toh(event_data->VolDevHandle)); 417 u32 state; 418 struct mpssas_target *targ; 419 state = le32toh(event_data->NewValue); 420 switch (state) { 421 case MPI2_RAID_VOL_STATE_MISSING: 422 case MPI2_RAID_VOL_STATE_FAILED: 423 mpssas_prepare_volume_remove(sassc, event_data-> 424 VolDevHandle); 425 break; 426 427 case MPI2_RAID_VOL_STATE_ONLINE: 428 case MPI2_RAID_VOL_STATE_DEGRADED: 429 case MPI2_RAID_VOL_STATE_OPTIMAL: 430 targ = mpssas_find_target_by_handle(sassc, 0, event_data->VolDevHandle); 431 if (targ) { 432 printf("%s %d: Volume handle 0x%x is already added \n", 433 __func__, __LINE__ , event_data->VolDevHandle); 434 break; 435 } 436 if (mpssas_volume_add(sc, le16toh(event_data->VolDevHandle))) { 437 printf("%s: failed to add RAID " 438 "volume with handle 0x%x\n", 439 __func__, le16toh(event_data-> 440 VolDevHandle)); 441 } 442 break; 443 default: 444 break; 445 } 446 break; 447 default: 448 break; 449 } 450 break; 451 } 452 case MPI2_EVENT_IR_PHYSICAL_DISK: 453 { 454 Mpi2EventDataIrPhysicalDisk_t *event_data = 455 fw_event->event_data; 456 struct mpssas_target *targ; 457 458 /* 459 * Informational only. 460 */ 461 mps_dprint(sc, MPS_EVENT, "Received IR Phys Disk event:\n"); 462 switch (event_data->ReasonCode) { 463 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED: 464 mps_dprint(sc, MPS_EVENT, " Phys Disk Settings " 465 "changed from 0x%x to 0x%x for Phys Disk Number " 466 "%d and handle 0x%x at Enclosure handle 0x%x, Slot " 467 "%d", le32toh(event_data->PreviousValue), 468 le32toh(event_data->NewValue), 469 event_data->PhysDiskNum, 470 le16toh(event_data->PhysDiskDevHandle), 471 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 472 break; 473 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED: 474 mps_dprint(sc, MPS_EVENT, " Phys Disk Status changed " 475 "from 0x%x to 0x%x for Phys Disk Number %d and " 476 "handle 0x%x at Enclosure handle 0x%x, Slot %d", 477 le32toh(event_data->PreviousValue), 478 le32toh(event_data->NewValue), event_data->PhysDiskNum, 479 le16toh(event_data->PhysDiskDevHandle), 480 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 481 break; 482 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED: 483 mps_dprint(sc, MPS_EVENT, " Phys Disk State changed " 484 "from 0x%x to 0x%x for Phys Disk Number %d and " 485 "handle 0x%x at Enclosure handle 0x%x, Slot %d", 486 le32toh(event_data->PreviousValue), 487 le32toh(event_data->NewValue), event_data->PhysDiskNum, 488 le16toh(event_data->PhysDiskDevHandle), 489 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot)); 490 switch (event_data->NewValue) { 491 case MPI2_RAID_PD_STATE_ONLINE: 492 case MPI2_RAID_PD_STATE_DEGRADED: 493 case MPI2_RAID_PD_STATE_REBUILDING: 494 case MPI2_RAID_PD_STATE_OPTIMAL: 495 case MPI2_RAID_PD_STATE_HOT_SPARE: 496 targ = mpssas_find_target_by_handle(sassc, 0, 497 event_data->PhysDiskDevHandle); 498 if (targ) { 499 if(!sc->WD_available) { 500 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 501 printf("%s %d: Found Target for handle 0x%x. \n", 502 __func__, __LINE__ , event_data->PhysDiskDevHandle); 503 } else if ((sc->WD_available && 504 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) || 505 (sc->WD_valid_config && (sc->WD_hide_expose == 506 MPS_WD_HIDE_IF_VOLUME))) { 507 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT; 508 printf("%s %d: WD: Found Target for handle 0x%x. \n", 509 __func__, __LINE__ , event_data->PhysDiskDevHandle); 510 } 511 } 512 break; 513 case MPI2_RAID_PD_STATE_OFFLINE: 514 case MPI2_RAID_PD_STATE_NOT_CONFIGURED: 515 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: 516 default: 517 targ = mpssas_find_target_by_handle(sassc, 0, 518 event_data->PhysDiskDevHandle); 519 if (targ) { 520 targ->flags |= ~MPS_TARGET_FLAGS_RAID_COMPONENT; 521 printf("%s %d: Found Target for handle 0x%x. \n", 522 __func__, __LINE__ , event_data->PhysDiskDevHandle); 523 } 524 break; 525 } 526 default: 527 break; 528 } 529 break; 530 } 531 case MPI2_EVENT_IR_OPERATION_STATUS: 532 { 533 Mpi2EventDataIrOperationStatus_t *event_data = 534 fw_event->event_data; 535 536 /* 537 * Informational only. 538 */ 539 mps_dprint(sc, MPS_EVENT, "Received IR Op Status event:\n"); 540 mps_dprint(sc, MPS_EVENT, " RAID Operation of %d is %d " 541 "percent complete for Volume with handle 0x%x", 542 event_data->RAIDOperation, event_data->PercentComplete, 543 le16toh(event_data->VolDevHandle)); 544 break; 545 } 546 case MPI2_EVENT_LOG_ENTRY_ADDED: 547 { 548 pMpi2EventDataLogEntryAdded_t logEntry; 549 uint16_t logQualifier; 550 uint8_t logCode; 551 552 logEntry = (pMpi2EventDataLogEntryAdded_t)fw_event->event_data; 553 logQualifier = logEntry->LogEntryQualifier; 554 555 if (logQualifier == MPI2_WD_LOG_ENTRY) { 556 logCode = logEntry->LogData[0]; 557 558 switch (logCode) { 559 case MPI2_WD_SSD_THROTTLING: 560 printf("WarpDrive Warning: IO Throttling has " 561 "occurred in the WarpDrive subsystem. " 562 "Check WarpDrive documentation for " 563 "additional details\n"); 564 break; 565 case MPI2_WD_DRIVE_LIFE_WARN: 566 printf("WarpDrive Warning: Program/Erase " 567 "Cycles for the WarpDrive subsystem in " 568 "degraded range. Check WarpDrive " 569 "documentation for additional details\n"); 570 break; 571 case MPI2_WD_DRIVE_LIFE_DEAD: 572 printf("WarpDrive Fatal Error: There are no " 573 "Program/Erase Cycles for the WarpDrive " 574 "subsystem. The storage device will be in " 575 "read-only mode. Check WarpDrive " 576 "documentation for additional details\n"); 577 break; 578 case MPI2_WD_RAIL_MON_FAIL: 579 printf("WarpDrive Fatal Error: The Backup Rail " 580 "Monitor has failed on the WarpDrive " 581 "subsystem. Check WarpDrive documentation " 582 "for additional details\n"); 583 break; 584 default: 585 break; 586 } 587 } 588 break; 589 } 590 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: 591 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: 592 default: 593 mps_dprint(sc, MPS_TRACE,"Unhandled event 0x%0X\n", 594 fw_event->event); 595 break; 596 597 } 598 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Event Free: [%x]\n",event_count,__func__, fw_event->event); 599 mpssas_fw_event_free(sc, fw_event); 600 } 601 602 void 603 mpssas_firmware_event_work(void *arg, int pending) 604 { 605 struct mps_fw_event_work *fw_event; 606 struct mps_softc *sc; 607 608 sc = (struct mps_softc *)arg; 609 mps_lock(sc); 610 while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) { 611 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link); 612 mpssas_fw_work(sc, fw_event); 613 } 614 mps_unlock(sc); 615 } 616 617 static int 618 mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate){ 619 char devstring[80]; 620 struct mpssas_softc *sassc; 621 struct mpssas_target *targ; 622 Mpi2ConfigReply_t mpi_reply; 623 Mpi2SasDevicePage0_t config_page; 624 uint64_t sas_address; 625 uint64_t parent_sas_address = 0; 626 u32 device_info, parent_devinfo = 0; 627 unsigned int id; 628 int ret = 1, error = 0, i; 629 struct mpssas_lun *lun; 630 u8 is_SATA_SSD = 0; 631 struct mps_command *cm; 632 633 sassc = sc->sassc; 634 mpssas_startup_increment(sassc); 635 if (mps_config_get_sas_device_pg0(sc, &mpi_reply, &config_page, 636 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle) != 0) { 637 mps_dprint(sc, MPS_INFO|MPS_MAPPING|MPS_FAULT, 638 "Error reading SAS device %#x page0, iocstatus= 0x%x\n", 639 handle, mpi_reply.IOCStatus); 640 error = ENXIO; 641 goto out; 642 } 643 644 device_info = le32toh(config_page.DeviceInfo); 645 646 if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) 647 && (le16toh(config_page.ParentDevHandle) != 0)) { 648 Mpi2ConfigReply_t tmp_mpi_reply; 649 Mpi2SasDevicePage0_t parent_config_page; 650 651 if (mps_config_get_sas_device_pg0(sc, &tmp_mpi_reply, 652 &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, 653 le16toh(config_page.ParentDevHandle)) != 0) { 654 mps_dprint(sc, MPS_MAPPING|MPS_FAULT, 655 "Error reading parent SAS device %#x page0, " 656 "iocstatus= 0x%x\n", 657 le16toh(config_page.ParentDevHandle), 658 tmp_mpi_reply.IOCStatus); 659 } else { 660 parent_sas_address = parent_config_page.SASAddress.High; 661 parent_sas_address = (parent_sas_address << 32) | 662 parent_config_page.SASAddress.Low; 663 parent_devinfo = le32toh(parent_config_page.DeviceInfo); 664 } 665 } 666 /* TODO Check proper endianness */ 667 sas_address = config_page.SASAddress.High; 668 sas_address = (sas_address << 32) | config_page.SASAddress.Low; 669 mps_dprint(sc, MPS_MAPPING, "Handle 0x%04x SAS Address from SAS device " 670 "page0 = %jx\n", handle, sas_address); 671 672 /* 673 * Always get SATA Identify information because this is used to 674 * determine if Start/Stop Unit should be sent to the drive when the 675 * system is shutdown. 676 */ 677 if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) { 678 ret = mpssas_get_sas_address_for_sata_disk(sc, &sas_address, 679 handle, device_info, &is_SATA_SSD); 680 if (ret) { 681 mps_dprint(sc, MPS_MAPPING|MPS_ERROR, 682 "%s: failed to get disk type (SSD or HDD) for SATA " 683 "device with handle 0x%04x\n", 684 __func__, handle); 685 } else { 686 mps_dprint(sc, MPS_MAPPING, "Handle 0x%04x SAS Address " 687 "from SATA device = %jx\n", handle, sas_address); 688 } 689 } 690 691 /* 692 * use_phynum: 693 * 1 - use the PhyNum field as a fallback to the mapping logic 694 * 0 - never use the PhyNum field 695 * -1 - only use the PhyNum field 696 * 697 * Note that using the Phy number to map a device can cause device adds 698 * to fail if multiple enclosures/expanders are in the topology. For 699 * example, if two devices are in the same slot number in two different 700 * enclosures within the topology, only one of those devices will be 701 * added. PhyNum mapping should not be used if multiple enclosures are 702 * in the topology. 703 */ 704 id = MPS_MAP_BAD_ID; 705 if (sc->use_phynum != -1) 706 id = mps_mapping_get_tid(sc, sas_address, handle); 707 if (id == MPS_MAP_BAD_ID) { 708 if ((sc->use_phynum == 0) 709 || ((id = config_page.PhyNum) > sassc->maxtargets)) { 710 mps_dprint(sc, MPS_INFO, "failure at %s:%d/%s()! " 711 "Could not get ID for device with handle 0x%04x\n", 712 __FILE__, __LINE__, __func__, handle); 713 error = ENXIO; 714 goto out; 715 } 716 } 717 mps_dprint(sc, MPS_MAPPING, "%s: Target ID for added device is %d.\n", 718 __func__, id); 719 720 /* 721 * Only do the ID check and reuse check if the target is not from a 722 * RAID Component. For Physical Disks of a Volume, the ID will be reused 723 * when a volume is deleted because the mapping entry for the PD will 724 * still be in the mapping table. The ID check should not be done here 725 * either since this PD is already being used. 726 */ 727 targ = &sassc->targets[id]; 728 if (!(targ->flags & MPS_TARGET_FLAGS_RAID_COMPONENT)) { 729 if (mpssas_check_id(sassc, id) != 0) { 730 mps_dprint(sc, MPS_MAPPING|MPS_INFO, 731 "Excluding target id %d\n", id); 732 error = ENXIO; 733 goto out; 734 } 735 736 if (targ->handle != 0x0) { 737 mps_dprint(sc, MPS_MAPPING, "Attempting to reuse " 738 "target id %d handle 0x%04x\n", id, targ->handle); 739 error = ENXIO; 740 goto out; 741 } 742 } 743 744 targ->devinfo = device_info; 745 targ->devname = le32toh(config_page.DeviceName.High); 746 targ->devname = (targ->devname << 32) | 747 le32toh(config_page.DeviceName.Low); 748 targ->encl_handle = le16toh(config_page.EnclosureHandle); 749 targ->encl_slot = le16toh(config_page.Slot); 750 targ->handle = handle; 751 targ->parent_handle = le16toh(config_page.ParentDevHandle); 752 targ->sasaddr = mps_to_u64(&config_page.SASAddress); 753 targ->parent_sasaddr = le64toh(parent_sas_address); 754 targ->parent_devinfo = parent_devinfo; 755 targ->tid = id; 756 targ->linkrate = (linkrate>>4); 757 targ->flags = 0; 758 if (is_SATA_SSD) { 759 targ->flags = MPS_TARGET_IS_SATA_SSD; 760 } 761 TAILQ_INIT(&targ->commands); 762 TAILQ_INIT(&targ->timedout_commands); 763 while(!SLIST_EMPTY(&targ->luns)) { 764 lun = SLIST_FIRST(&targ->luns); 765 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 766 free(lun, M_MPT2); 767 } 768 SLIST_INIT(&targ->luns); 769 770 mps_describe_devinfo(targ->devinfo, devstring, 80); 771 mps_dprint(sc, MPS_MAPPING, "Found device <%s> <%s> <0x%04x> <%d/%d>\n", 772 devstring, mps_describe_table(mps_linkrate_names, targ->linkrate), 773 targ->handle, targ->encl_handle, targ->encl_slot); 774 775 #if __FreeBSD_version < 1000039 776 if ((sassc->flags & MPSSAS_IN_STARTUP) == 0) 777 #endif 778 mpssas_rescan_target(sc, targ); 779 mps_dprint(sc, MPS_MAPPING, "Target id 0x%x added\n", targ->tid); 780 781 /* 782 * Check all commands to see if the SATA_ID_TIMEOUT flag has been set. 783 * If so, send a Target Reset TM to the target that was just created. 784 * An Abort Task TM should be used instead of a Target Reset, but that 785 * would be much more difficult because targets have not been fully 786 * discovered yet, and LUN's haven't been setup. So, just reset the 787 * target instead of the LUN. 788 */ 789 for (i = 1; i < sc->num_reqs; i++) { 790 cm = &sc->commands[i]; 791 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) { 792 targ->timeouts++; 793 cm->cm_state = MPS_CM_STATE_TIMEDOUT; 794 795 if ((targ->tm = mpssas_alloc_tm(sc)) != NULL) { 796 mps_dprint(sc, MPS_INFO, "%s: sending Target " 797 "Reset for stuck SATA identify command " 798 "(cm = %p)\n", __func__, cm); 799 targ->tm->cm_targ = targ; 800 mpssas_send_reset(sc, targ->tm, 801 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET); 802 } else { 803 mps_dprint(sc, MPS_ERROR, "Failed to allocate " 804 "tm for Target Reset after SATA ID command " 805 "timed out (cm %p)\n", cm); 806 } 807 /* 808 * No need to check for more since the target is 809 * already being reset. 810 */ 811 break; 812 } 813 } 814 out: 815 /* 816 * Free the commands that may not have been freed from the SATA ID call 817 */ 818 for (i = 1; i < sc->num_reqs; i++) { 819 cm = &sc->commands[i]; 820 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) { 821 mps_free_command(sc, cm); 822 } 823 } 824 mpssas_startup_decrement(sassc); 825 return (error); 826 } 827 828 int 829 mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 830 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD) 831 { 832 Mpi2SataPassthroughReply_t mpi_reply; 833 int i, rc, try_count; 834 u32 *bufferptr; 835 union _sata_sas_address hash_address; 836 struct _ata_identify_device_data ata_identify; 837 u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN]; 838 u32 ioc_status; 839 u8 sas_status; 840 841 memset(&ata_identify, 0, sizeof(ata_identify)); 842 try_count = 0; 843 do { 844 rc = mpssas_get_sata_identify(sc, handle, &mpi_reply, 845 (char *)&ata_identify, sizeof(ata_identify), device_info); 846 try_count++; 847 ioc_status = le16toh(mpi_reply.IOCStatus) 848 & MPI2_IOCSTATUS_MASK; 849 sas_status = mpi_reply.SASStatus; 850 switch (ioc_status) { 851 case MPI2_IOCSTATUS_SUCCESS: 852 break; 853 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: 854 /* No sense sleeping. this error won't get better */ 855 break; 856 default: 857 if (sc->spinup_wait_time > 0) { 858 mps_dprint(sc, MPS_INFO, "Sleeping %d seconds " 859 "after SATA ID error to wait for spinup\n", 860 sc->spinup_wait_time); 861 msleep(&sc->msleep_fake_chan, &sc->mps_mtx, 0, 862 "mpsid", sc->spinup_wait_time * hz); 863 } 864 } 865 } while (((rc && (rc != EWOULDBLOCK)) || 866 (ioc_status && 867 (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR)) 868 || sas_status) && (try_count < 5)); 869 870 if (rc == 0 && !ioc_status && !sas_status) { 871 mps_dprint(sc, MPS_MAPPING, "%s: got SATA identify " 872 "successfully for handle = 0x%x with try_count = %d\n", 873 __func__, handle, try_count); 874 } else { 875 mps_dprint(sc, MPS_MAPPING, "%s: handle = 0x%x failed\n", 876 __func__, handle); 877 return -1; 878 } 879 /* Copy & byteswap the 40 byte model number to a buffer */ 880 for (i = 0; i < MPT2SAS_MN_LEN; i += 2) { 881 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1]; 882 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i]; 883 } 884 /* Copy & byteswap the 20 byte serial number to a buffer */ 885 for (i = 0; i < MPT2SAS_SN_LEN; i += 2) { 886 buffer[MPT2SAS_MN_LEN + i] = 887 ((u8 *)ata_identify.serial_number)[i + 1]; 888 buffer[MPT2SAS_MN_LEN + i + 1] = 889 ((u8 *)ata_identify.serial_number)[i]; 890 } 891 bufferptr = (u32 *)buffer; 892 /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8, 893 * so loop through the first 56 bytes (7*8), 894 * and then add in the last dword. 895 */ 896 hash_address.word.low = 0; 897 hash_address.word.high = 0; 898 for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) { 899 hash_address.word.low += *bufferptr; 900 bufferptr++; 901 hash_address.word.high += *bufferptr; 902 bufferptr++; 903 } 904 /* Add the last dword */ 905 hash_address.word.low += *bufferptr; 906 /* Make sure the hash doesn't start with 5, because it could clash 907 * with a SAS address. Change 5 to a D. 908 */ 909 if ((hash_address.word.high & 0x000000F0) == (0x00000050)) 910 hash_address.word.high |= 0x00000080; 911 *sas_address = (u64)hash_address.wwid[0] << 56 | 912 (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 | 913 (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 | 914 (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] << 8 | 915 (u64)hash_address.wwid[7]; 916 if (ata_identify.rotational_speed == 1) { 917 *is_SATA_SSD = 1; 918 } 919 920 return 0; 921 } 922 923 static int 924 mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, 925 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo) 926 { 927 Mpi2SataPassthroughRequest_t *mpi_request; 928 Mpi2SataPassthroughReply_t *reply = NULL; 929 struct mps_command *cm; 930 char *buffer; 931 int error = 0; 932 933 buffer = malloc( sz, M_MPT2, M_NOWAIT | M_ZERO); 934 if (!buffer) 935 return ENOMEM; 936 937 if ((cm = mps_alloc_command(sc)) == NULL) { 938 free(buffer, M_MPT2); 939 return (EBUSY); 940 } 941 mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req; 942 bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST)); 943 mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH; 944 mpi_request->VF_ID = 0; 945 mpi_request->DevHandle = htole16(handle); 946 mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO | 947 MPI2_SATA_PT_REQ_PT_FLAGS_READ); 948 mpi_request->DataLength = htole32(sz); 949 mpi_request->CommandFIS[0] = 0x27; 950 mpi_request->CommandFIS[1] = 0x80; 951 mpi_request->CommandFIS[2] = (devinfo & 952 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC; 953 cm->cm_sge = &mpi_request->SGL; 954 cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION); 955 cm->cm_flags = MPS_CM_FLAGS_SGE_SIMPLE | MPS_CM_FLAGS_DATAIN; 956 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 957 cm->cm_data = buffer; 958 cm->cm_length = htole32(sz); 959 960 /* 961 * Start a timeout counter specifically for the SATA ID command. This 962 * is used to fix a problem where the FW does not send a reply sometimes 963 * when a bad disk is in the topology. So, this is used to timeout the 964 * command so that processing can continue normally. 965 */ 966 mps_dprint(sc, MPS_XINFO, "%s start timeout counter for SATA ID " 967 "command\n", __func__); 968 callout_reset(&cm->cm_callout, MPS_ATA_ID_TIMEOUT * hz, 969 mpssas_ata_id_timeout, cm); 970 error = mps_wait_command(sc, &cm, 60, CAN_SLEEP); 971 mps_dprint(sc, MPS_XINFO, "%s stop timeout counter for SATA ID " 972 "command\n", __func__); 973 /* XXX KDM need to fix the case where this command is destroyed */ 974 callout_stop(&cm->cm_callout); 975 976 if (cm != NULL) 977 reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply; 978 if (error || (reply == NULL)) { 979 /* FIXME */ 980 /* 981 * If the request returns an error then we need to do a diag 982 * reset 983 */ 984 mps_dprint(sc, MPS_INFO|MPS_FAULT|MPS_MAPPING, 985 "Request for SATA PASSTHROUGH page completed with error %d", 986 error); 987 error = ENXIO; 988 goto out; 989 } 990 bcopy(buffer, id_buffer, sz); 991 bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t)); 992 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) != 993 MPI2_IOCSTATUS_SUCCESS) { 994 mps_dprint(sc, MPS_INFO|MPS_MAPPING|MPS_FAULT, 995 "Error reading device %#x SATA PASSTHRU; iocstatus= 0x%x\n", 996 handle, reply->IOCStatus); 997 error = ENXIO; 998 goto out; 999 } 1000 out: 1001 /* 1002 * If the SATA_ID_TIMEOUT flag has been set for this command, don't free 1003 * it. The command will be freed after sending a target reset TM. If 1004 * the command did timeout, use EWOULDBLOCK. 1005 */ 1006 if ((cm != NULL) 1007 && (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) == 0) 1008 mps_free_command(sc, cm); 1009 else if (error == 0) 1010 error = EWOULDBLOCK; 1011 free(buffer, M_MPT2); 1012 return (error); 1013 } 1014 1015 static void 1016 mpssas_ata_id_timeout(void *data) 1017 { 1018 struct mps_softc *sc; 1019 struct mps_command *cm; 1020 1021 cm = (struct mps_command *)data; 1022 sc = cm->cm_sc; 1023 mtx_assert(&sc->mps_mtx, MA_OWNED); 1024 1025 mps_dprint(sc, MPS_INFO, "%s checking ATA ID command %p sc %p\n", 1026 __func__, cm, sc); 1027 if ((callout_pending(&cm->cm_callout)) || 1028 (!callout_active(&cm->cm_callout))) { 1029 mps_dprint(sc, MPS_INFO, "%s ATA ID command almost timed out\n", 1030 __func__); 1031 return; 1032 } 1033 callout_deactivate(&cm->cm_callout); 1034 1035 /* 1036 * Run the interrupt handler to make sure it's not pending. This 1037 * isn't perfect because the command could have already completed 1038 * and been re-used, though this is unlikely. 1039 */ 1040 mps_intr_locked(sc); 1041 if (cm->cm_state == MPS_CM_STATE_FREE) { 1042 mps_dprint(sc, MPS_INFO, "%s ATA ID command almost timed out\n", 1043 __func__); 1044 return; 1045 } 1046 1047 mps_dprint(sc, MPS_INFO, "ATA ID command timeout cm %p\n", cm); 1048 1049 /* 1050 * Send wakeup() to the sleeping thread that issued this ATA ID command. 1051 * wakeup() will cause msleep to return a 0 (not EWOULDBLOCK), and this 1052 * will keep reinit() from being called. This way, an Abort Task TM can 1053 * be issued so that the timed out command can be cleared. The Abort 1054 * Task cannot be sent from here because the driver has not completed 1055 * setting up targets. Instead, the command is flagged so that special 1056 * handling will be used to send the abort. 1057 */ 1058 cm->cm_flags |= MPS_CM_FLAGS_SATA_ID_TIMEOUT; 1059 wakeup(cm); 1060 } 1061 1062 static int 1063 mpssas_volume_add(struct mps_softc *sc, u16 handle) 1064 { 1065 struct mpssas_softc *sassc; 1066 struct mpssas_target *targ; 1067 u64 wwid; 1068 unsigned int id; 1069 int error = 0; 1070 struct mpssas_lun *lun; 1071 1072 sassc = sc->sassc; 1073 mpssas_startup_increment(sassc); 1074 /* wwid is endian safe */ 1075 mps_config_get_volume_wwid(sc, handle, &wwid); 1076 if (!wwid) { 1077 printf("%s: invalid WWID; cannot add volume to mapping table\n", 1078 __func__); 1079 error = ENXIO; 1080 goto out; 1081 } 1082 1083 id = mps_mapping_get_raid_tid(sc, wwid, handle); 1084 if (id == MPS_MAP_BAD_ID) { 1085 printf("%s: could not get ID for volume with handle 0x%04x and " 1086 "WWID 0x%016llx\n", __func__, handle, 1087 (unsigned long long)wwid); 1088 error = ENXIO; 1089 goto out; 1090 } 1091 1092 targ = &sassc->targets[id]; 1093 targ->tid = id; 1094 targ->handle = handle; 1095 targ->devname = wwid; 1096 TAILQ_INIT(&targ->commands); 1097 TAILQ_INIT(&targ->timedout_commands); 1098 while(!SLIST_EMPTY(&targ->luns)) { 1099 lun = SLIST_FIRST(&targ->luns); 1100 SLIST_REMOVE_HEAD(&targ->luns, lun_link); 1101 free(lun, M_MPT2); 1102 } 1103 SLIST_INIT(&targ->luns); 1104 #if __FreeBSD_version < 1000039 1105 if ((sassc->flags & MPSSAS_IN_STARTUP) == 0) 1106 #endif 1107 mpssas_rescan_target(sc, targ); 1108 mps_dprint(sc, MPS_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n", 1109 targ->tid, wwid); 1110 out: 1111 mpssas_startup_decrement(sassc); 1112 return (error); 1113 } 1114 1115 /** 1116 * mpssas_SSU_to_SATA_devices 1117 * @sc: per adapter object 1118 * @howto: mast of RB_* bits for how we're rebooting 1119 * 1120 * Looks through the target list and issues a StartStopUnit SCSI command to each 1121 * SATA direct-access device. This helps to ensure that data corruption is 1122 * avoided when the system is being shut down. This must be called after the IR 1123 * System Shutdown RAID Action is sent if in IR mode. 1124 * 1125 * Return nothing. 1126 */ 1127 static void 1128 mpssas_SSU_to_SATA_devices(struct mps_softc *sc, int howto) 1129 { 1130 struct mpssas_softc *sassc = sc->sassc; 1131 union ccb *ccb; 1132 path_id_t pathid = cam_sim_path(sassc->sim); 1133 target_id_t targetid; 1134 struct mpssas_target *target; 1135 char path_str[64]; 1136 int timeout; 1137 1138 /* 1139 * For each target, issue a StartStopUnit command to stop the device. 1140 */ 1141 sc->SSU_started = TRUE; 1142 sc->SSU_refcount = 0; 1143 for (targetid = 0; targetid < sc->max_devices; targetid++) { 1144 target = &sassc->targets[targetid]; 1145 if (target->handle == 0x0) { 1146 continue; 1147 } 1148 1149 ccb = xpt_alloc_ccb_nowait(); 1150 if (ccb == NULL) { 1151 mps_dprint(sc, MPS_FAULT, "Unable to alloc CCB to stop " 1152 "unit.\n"); 1153 return; 1154 } 1155 1156 /* 1157 * The stop_at_shutdown flag will be set if this device is 1158 * a SATA direct-access end device. 1159 */ 1160 if (target->stop_at_shutdown) { 1161 if (xpt_create_path(&ccb->ccb_h.path, 1162 xpt_periph, pathid, targetid, 1163 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 1164 mps_dprint(sc, MPS_FAULT, "Unable to create " 1165 "LUN path to stop unit.\n"); 1166 xpt_free_ccb(ccb); 1167 return; 1168 } 1169 xpt_path_string(ccb->ccb_h.path, path_str, 1170 sizeof(path_str)); 1171 1172 mps_dprint(sc, MPS_INFO, "Sending StopUnit: path %s " 1173 "handle %d\n", path_str, target->handle); 1174 1175 /* 1176 * Issue a START STOP UNIT command for the target. 1177 * Increment the SSU counter to be used to count the 1178 * number of required replies. 1179 */ 1180 mps_dprint(sc, MPS_INFO, "Incrementing SSU count\n"); 1181 sc->SSU_refcount++; 1182 ccb->ccb_h.target_id = 1183 xpt_path_target_id(ccb->ccb_h.path); 1184 ccb->ccb_h.ppriv_ptr1 = sassc; 1185 scsi_start_stop(&ccb->csio, 1186 /*retries*/0, 1187 mpssas_stop_unit_done, 1188 MSG_SIMPLE_Q_TAG, 1189 /*start*/FALSE, 1190 /*load/eject*/0, 1191 /*immediate*/FALSE, 1192 MPS_SENSE_LEN, 1193 /*timeout*/10000); 1194 xpt_action(ccb); 1195 } 1196 } 1197 1198 /* 1199 * Timeout after 60 seconds by default or 10 seconds if howto has 1200 * RB_NOSYNC set which indicates we're likely handling a panic. 1201 */ 1202 timeout = 600; 1203 if (howto & RB_NOSYNC) 1204 timeout = 100; 1205 1206 /* 1207 * Wait until all of the SSU commands have completed or timeout has 1208 * expired. Pause for 100ms each time through. If any command 1209 * times out, the target will be reset in the SCSI command timeout 1210 * routine. 1211 */ 1212 while (sc->SSU_refcount > 0) { 1213 pause("mpswait", hz/10); 1214 if (SCHEDULER_STOPPED()) 1215 xpt_sim_poll(sassc->sim); 1216 1217 if (--timeout == 0) { 1218 mps_dprint(sc, MPS_FAULT, "Time has expired waiting " 1219 "for SSU commands to complete.\n"); 1220 break; 1221 } 1222 } 1223 } 1224 1225 static void 1226 mpssas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb) 1227 { 1228 struct mpssas_softc *sassc; 1229 char path_str[64]; 1230 1231 if (done_ccb == NULL) 1232 return; 1233 1234 sassc = (struct mpssas_softc *)done_ccb->ccb_h.ppriv_ptr1; 1235 1236 xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str)); 1237 mps_dprint(sassc->sc, MPS_INFO, "Completing stop unit for %s\n", 1238 path_str); 1239 1240 /* 1241 * Nothing more to do except free the CCB and path. If the command 1242 * timed out, an abort reset, then target reset will be issued during 1243 * the SCSI Command process. 1244 */ 1245 xpt_free_path(done_ccb->ccb_h.path); 1246 xpt_free_ccb(done_ccb); 1247 } 1248 1249 /** 1250 * mpssas_ir_shutdown - IR shutdown notification 1251 * @sc: per adapter object 1252 * @howto: mast of RB_* bits for how we're rebooting 1253 * 1254 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that 1255 * the host system is shutting down. 1256 * 1257 * Return nothing. 1258 */ 1259 void 1260 mpssas_ir_shutdown(struct mps_softc *sc, int howto) 1261 { 1262 u16 volume_mapping_flags; 1263 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1264 struct dev_mapping_table *mt_entry; 1265 u32 start_idx, end_idx; 1266 unsigned int id, found_volume = 0; 1267 struct mps_command *cm; 1268 Mpi2RaidActionRequest_t *action; 1269 target_id_t targetid; 1270 struct mpssas_target *target; 1271 1272 mps_dprint(sc, MPS_TRACE, "%s\n", __func__); 1273 1274 /* is IR firmware build loaded? */ 1275 if (!sc->ir_firmware) 1276 goto out; 1277 1278 /* are there any volumes? Look at IR target IDs. */ 1279 // TODO-later, this should be looked up in the RAID config structure 1280 // when it is implemented. 1281 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) & 1282 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; 1283 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) { 1284 start_idx = 0; 1285 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0) 1286 start_idx = 1; 1287 } else 1288 start_idx = sc->max_devices - sc->max_volumes; 1289 end_idx = start_idx + sc->max_volumes - 1; 1290 1291 for (id = start_idx; id < end_idx; id++) { 1292 mt_entry = &sc->mapping_table[id]; 1293 if ((mt_entry->physical_id != 0) && 1294 (mt_entry->missing_count == 0)) { 1295 found_volume = 1; 1296 break; 1297 } 1298 } 1299 1300 if (!found_volume) 1301 goto out; 1302 1303 if ((cm = mps_alloc_command(sc)) == NULL) { 1304 printf("%s: command alloc failed\n", __func__); 1305 goto out; 1306 } 1307 1308 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req; 1309 action->Function = MPI2_FUNCTION_RAID_ACTION; 1310 action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; 1311 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 1312 mps_lock(sc); 1313 mps_wait_command(sc, &cm, 5, CAN_SLEEP); 1314 mps_unlock(sc); 1315 1316 /* 1317 * Don't check for reply, just leave. 1318 */ 1319 if (cm) 1320 mps_free_command(sc, cm); 1321 1322 out: 1323 /* 1324 * All of the targets must have the correct value set for 1325 * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable. 1326 * 1327 * The possible values for the 'enable_ssu' variable are: 1328 * 0: disable to SSD and HDD 1329 * 1: disable only to HDD (default) 1330 * 2: disable only to SSD 1331 * 3: enable to SSD and HDD 1332 * anything else will default to 1. 1333 */ 1334 for (targetid = 0; targetid < sc->max_devices; targetid++) { 1335 target = &sc->sassc->targets[targetid]; 1336 if (target->handle == 0x0) { 1337 continue; 1338 } 1339 1340 if (target->supports_SSU) { 1341 switch (sc->enable_ssu) { 1342 case MPS_SSU_DISABLE_SSD_DISABLE_HDD: 1343 target->stop_at_shutdown = FALSE; 1344 break; 1345 case MPS_SSU_DISABLE_SSD_ENABLE_HDD: 1346 target->stop_at_shutdown = TRUE; 1347 if (target->flags & MPS_TARGET_IS_SATA_SSD) { 1348 target->stop_at_shutdown = FALSE; 1349 } 1350 break; 1351 case MPS_SSU_ENABLE_SSD_ENABLE_HDD: 1352 target->stop_at_shutdown = TRUE; 1353 break; 1354 case MPS_SSU_ENABLE_SSD_DISABLE_HDD: 1355 default: 1356 target->stop_at_shutdown = TRUE; 1357 if ((target->flags & 1358 MPS_TARGET_IS_SATA_SSD) == 0) { 1359 target->stop_at_shutdown = FALSE; 1360 } 1361 break; 1362 } 1363 } 1364 } 1365 mpssas_SSU_to_SATA_devices(sc, howto); 1366 }
Cache object: 47f0b6e12e42af78d11b0914b8e288dc
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