1 /*- 2 * Copyright (c) 2011 LSI Corp. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * LSI MPT-Fusion Host Adapter FreeBSD 27 * 28 * $FreeBSD: src/sys/dev/mps/mps_sas_lsi.c,v 1.1 2012/01/26 18:17:21 ken Exp $ 29 */ 30 31 /* Communications core for LSI MPT2 */ 32 33 /* TODO Move headers to mpsvar */ 34 #include <sys/types.h> 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/kernel.h> 38 #include <sys/module.h> 39 #include <sys/bus.h> 40 #include <sys/conf.h> 41 #include <sys/eventhandler.h> 42 #include <sys/bio.h> 43 #include <sys/malloc.h> 44 #include <sys/uio.h> 45 #include <sys/sysctl.h> 46 #include <sys/endian.h> 47 #include <sys/queue.h> 48 #include <sys/kthread.h> 49 #include <sys/taskqueue.h> 50 #include <sys/sbuf.h> 51 52 #include <sys/rman.h> 53 54 #include <machine/stdarg.h> 55 56 #include <bus/cam/cam.h> 57 #include <bus/cam/cam_ccb.h> 58 #include <bus/cam/cam_debug.h> 59 #include <bus/cam/cam_sim.h> 60 #include <bus/cam/cam_xpt_sim.h> 61 #include <bus/cam/cam_xpt_periph.h> 62 #include <bus/cam/cam_periph.h> 63 #include <bus/cam/scsi/scsi_all.h> 64 #include <bus/cam/scsi/scsi_message.h> 65 66 #include <dev/raid/mps/mpi/mpi2_type.h> 67 #include <dev/raid/mps/mpi/mpi2.h> 68 #include <dev/raid/mps/mpi/mpi2_ioc.h> 69 #include <dev/raid/mps/mpi/mpi2_sas.h> 70 #include <dev/raid/mps/mpi/mpi2_cnfg.h> 71 #include <dev/raid/mps/mpi/mpi2_init.h> 72 #include <dev/raid/mps/mpi/mpi2_raid.h> 73 #include <dev/raid/mps/mpi/mpi2_tool.h> 74 #include <dev/raid/mps/mps_ioctl.h> 75 #include <dev/raid/mps/mpsvar.h> 76 #include <dev/raid/mps/mps_table.h> 77 #include <dev/raid/mps/mps_sas.h> 78 79 /* For Hashed SAS Address creation for SATA Drives */ 80 #define MPT2SAS_SN_LEN 20 81 #define MPT2SAS_MN_LEN 40 82 83 struct mps_fw_event_work { 84 u16 event; 85 void *event_data; 86 TAILQ_ENTRY(mps_fw_event_work) ev_link; 87 }; 88 89 union _sata_sas_address { 90 u8 wwid[8]; 91 struct { 92 u32 high; 93 u32 low; 94 } word; 95 }; 96 97 /* 98 * define the IDENTIFY DEVICE structure 99 */ 100 struct _ata_identify_device_data { 101 u16 reserved1[10]; /* 0-9 */ 102 u16 serial_number[10]; /* 10-19 */ 103 u16 reserved2[7]; /* 20-26 */ 104 u16 model_number[20]; /* 27-46*/ 105 u16 reserved3[209]; /* 47-255*/ 106 }; 107 108 static void mpssas_fw_work(struct mps_softc *sc, 109 struct mps_fw_event_work *fw_event); 110 static void mpssas_fw_event_free(struct mps_softc *, 111 struct mps_fw_event_work *); 112 static int mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate); 113 static int mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, 114 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, 115 u32 devinfo); 116 int mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 117 u64 *sas_address, u16 handle, u32 device_info); 118 static int mpssas_volume_add(struct mps_softc *sc, 119 Mpi2EventIrConfigElement_t *element); 120 121 void 122 mpssas_evt_handler(struct mps_softc *sc, uintptr_t data, 123 MPI2_EVENT_NOTIFICATION_REPLY *event) 124 { 125 struct mps_fw_event_work *fw_event; 126 u16 sz; 127 128 mps_dprint(sc, MPS_TRACE, "%s\n", __func__); 129 mps_print_evt_sas(sc, event); 130 mpssas_record_event(sc, event); 131 132 fw_event = kmalloc(sizeof(struct mps_fw_event_work), M_MPT2, 133 M_ZERO|M_NOWAIT); 134 if (!fw_event) { 135 kprintf("%s: allocate failed for fw_event\n", __func__); 136 return; 137 } 138 sz = le16toh(event->EventDataLength) * 4; 139 fw_event->event_data = kmalloc(sz, M_MPT2, M_ZERO|M_NOWAIT); 140 if (!fw_event->event_data) { 141 kprintf("%s: allocate failed for event_data\n", __func__); 142 kfree(fw_event, M_MPT2); 143 return; 144 } 145 146 bcopy(event->EventData, fw_event->event_data, sz); 147 fw_event->event = event->Event; 148 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || 149 event->Event == MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE || 150 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) && 151 sc->track_mapping_events) 152 sc->pending_map_events++; 153 154 /* 155 * When wait_for_port_enable flag is set, make sure that all the events 156 * are processed. Increment the startup_refcount and decrement it after 157 * events are processed. 158 */ 159 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || 160 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) && 161 sc->wait_for_port_enable) 162 mpssas_startup_increment(sc->sassc); 163 164 TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link); 165 taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task); 166 167 } 168 169 static void 170 mpssas_fw_event_free(struct mps_softc *sc, struct mps_fw_event_work *fw_event) 171 { 172 173 kfree(fw_event->event_data, M_MPT2); 174 kfree(fw_event, M_MPT2); 175 } 176 177 /** 178 * _mps_fw_work - delayed task for processing firmware events 179 * @sc: per adapter object 180 * @fw_event: The fw_event_work object 181 * Context: user. 182 * 183 * Return nothing. 184 */ 185 static void 186 mpssas_fw_work(struct mps_softc *sc, struct mps_fw_event_work *fw_event) 187 { 188 struct mpssas_softc *sassc; 189 sassc = sc->sassc; 190 191 switch (fw_event->event) { 192 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: 193 { 194 MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data; 195 MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy; 196 int i; 197 198 data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *) 199 fw_event->event_data; 200 201 mps_mapping_topology_change_event(sc, fw_event->event_data); 202 203 for (i = 0; i < data->NumEntries; i++) { 204 phy = &data->PHY[i]; 205 switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) { 206 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: 207 if (mpssas_add_device(sc, 208 phy->AttachedDevHandle, phy->LinkRate)){ 209 kprintf("%s: failed to add device with " 210 "handle 0x%x\n", __func__, 211 phy->AttachedDevHandle); 212 mpssas_prepare_remove(sassc, phy-> 213 AttachedDevHandle); 214 } 215 break; 216 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: 217 mpssas_prepare_remove(sassc, phy-> 218 AttachedDevHandle); 219 break; 220 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: 221 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: 222 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: 223 default: 224 break; 225 } 226 } 227 /* 228 * refcount was incremented for this event in 229 * mpssas_evt_handler. Decrement it here because the event has 230 * been processed. 231 */ 232 mpssas_startup_decrement(sassc); 233 break; 234 } 235 case MPI2_EVENT_SAS_DISCOVERY: 236 { 237 MPI2_EVENT_DATA_SAS_DISCOVERY *data; 238 239 data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data; 240 241 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED) 242 mps_dprint(sc, MPS_TRACE,"SAS discovery start event\n"); 243 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) { 244 mps_dprint(sc, MPS_TRACE,"SAS discovery stop event\n"); 245 sassc->flags &= ~MPSSAS_IN_DISCOVERY; 246 mpssas_discovery_end(sassc); 247 } 248 break; 249 } 250 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: 251 { 252 Mpi2EventDataSasEnclDevStatusChange_t *data; 253 data = (Mpi2EventDataSasEnclDevStatusChange_t *) 254 fw_event->event_data; 255 mps_mapping_enclosure_dev_status_change_event(sc, 256 fw_event->event_data); 257 break; 258 } 259 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: 260 { 261 Mpi2EventIrConfigElement_t *element; 262 int i; 263 u8 foreign_config; 264 Mpi2EventDataIrConfigChangeList_t *event_data; 265 struct mpssas_target *targ; 266 unsigned int id; 267 268 event_data = fw_event->event_data; 269 foreign_config = (le32toh(event_data->Flags) & 270 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; 271 272 element = 273 (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; 274 id = mps_mapping_get_raid_id_from_handle 275 (sc, element->VolDevHandle); 276 277 mps_mapping_ir_config_change_event(sc, event_data); 278 279 for (i = 0; i < event_data->NumElements; i++, element++) { 280 switch (element->ReasonCode) { 281 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: 282 case MPI2_EVENT_IR_CHANGE_RC_ADDED: 283 if (!foreign_config) { 284 if (mpssas_volume_add(sc, element)) { 285 kprintf("%s: failed to add RAID " 286 "volume with handle 0x%x\n", 287 __func__, le16toh(element-> 288 VolDevHandle)); 289 } 290 } 291 break; 292 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: 293 case MPI2_EVENT_IR_CHANGE_RC_REMOVED: 294 /* 295 * Rescan after volume is deleted or removed. 296 */ 297 if (!foreign_config) { 298 if (id == MPS_MAP_BAD_ID) { 299 kprintf("%s: could not get ID " 300 "for volume with handle " 301 "0x%04x\n", __func__, 302 element->VolDevHandle); 303 break; 304 } 305 306 targ = &sassc->targets[id]; 307 targ->handle = 0x0; 308 targ->encl_slot = 0x0; 309 targ->encl_handle = 0x0; 310 targ->exp_dev_handle = 0x0; 311 targ->phy_num = 0x0; 312 targ->linkrate = 0x0; 313 mpssas_rescan_target(sc, targ); 314 kprintf("RAID target id 0x%x removed\n", 315 targ->tid); 316 } 317 break; 318 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: 319 /* 320 * Phys Disk of a volume has been created. Hide 321 * it from the OS. 322 */ 323 mpssas_prepare_remove(sassc, element-> 324 PhysDiskDevHandle); 325 break; 326 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: 327 /* 328 * Phys Disk of a volume has been deleted. 329 * Expose it to the OS. 330 */ 331 if (mpssas_add_device(sc, 332 element->PhysDiskDevHandle, 0)){ 333 kprintf("%s: failed to add device with " 334 "handle 0x%x\n", __func__, 335 element->PhysDiskDevHandle); 336 mpssas_prepare_remove(sassc, element-> 337 PhysDiskDevHandle); 338 } 339 break; 340 } 341 } 342 /* 343 * refcount was incremented for this event in 344 * mpssas_evt_handler. Decrement it here because the event has 345 * been processed. 346 */ 347 mpssas_startup_decrement(sassc); 348 break; 349 } 350 case MPI2_EVENT_IR_VOLUME: 351 { 352 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data; 353 354 /* 355 * Informational only. 356 */ 357 mps_dprint(sc, MPS_INFO, "Received IR Volume event:\n"); 358 switch (event_data->ReasonCode) { 359 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED: 360 mps_dprint(sc, MPS_INFO, " Volume Settings " 361 "changed from 0x%x to 0x%x for Volome with " 362 "handle 0x%x", event_data->PreviousValue, 363 event_data->NewValue, 364 event_data->VolDevHandle); 365 break; 366 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED: 367 mps_dprint(sc, MPS_INFO, " Volume Status " 368 "changed from 0x%x to 0x%x for Volome with " 369 "handle 0x%x", event_data->PreviousValue, 370 event_data->NewValue, 371 event_data->VolDevHandle); 372 break; 373 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED: 374 mps_dprint(sc, MPS_INFO, " Volume State " 375 "changed from 0x%x to 0x%x for Volome with " 376 "handle 0x%x", event_data->PreviousValue, 377 event_data->NewValue, 378 event_data->VolDevHandle); 379 break; 380 default: 381 break; 382 } 383 break; 384 } 385 case MPI2_EVENT_IR_PHYSICAL_DISK: 386 { 387 Mpi2EventDataIrPhysicalDisk_t *event_data = 388 fw_event->event_data; 389 390 /* 391 * Informational only. 392 */ 393 mps_dprint(sc, MPS_INFO, "Received IR Phys Disk event:\n"); 394 switch (event_data->ReasonCode) { 395 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED: 396 mps_dprint(sc, MPS_INFO, " Phys Disk Settings " 397 "changed from 0x%x to 0x%x for Phys Disk Number " 398 "%d and handle 0x%x at Enclosure handle 0x%x, Slot " 399 "%d", event_data->PreviousValue, 400 event_data->NewValue, event_data->PhysDiskNum, 401 event_data->PhysDiskDevHandle, 402 event_data->EnclosureHandle, event_data->Slot); 403 break; 404 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED: 405 mps_dprint(sc, MPS_INFO, " Phys Disk Status changed " 406 "from 0x%x to 0x%x for Phys Disk Number %d and " 407 "handle 0x%x at Enclosure handle 0x%x, Slot %d", 408 event_data->PreviousValue, event_data->NewValue, 409 event_data->PhysDiskNum, 410 event_data->PhysDiskDevHandle, 411 event_data->EnclosureHandle, event_data->Slot); 412 break; 413 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED: 414 mps_dprint(sc, MPS_INFO, " Phys Disk State changed " 415 "from 0x%x to 0x%x for Phys Disk Number %d and " 416 "handle 0x%x at Enclosure handle 0x%x, Slot %d", 417 event_data->PreviousValue, event_data->NewValue, 418 event_data->PhysDiskNum, 419 event_data->PhysDiskDevHandle, 420 event_data->EnclosureHandle, event_data->Slot); 421 break; 422 default: 423 break; 424 } 425 break; 426 } 427 case MPI2_EVENT_IR_OPERATION_STATUS: 428 { 429 Mpi2EventDataIrOperationStatus_t *event_data = 430 fw_event->event_data; 431 432 /* 433 * Informational only. 434 */ 435 mps_dprint(sc, MPS_INFO, "Received IR Op Status event:\n"); 436 mps_dprint(sc, MPS_INFO, " RAID Operation of %d is %d " 437 "percent complete for Volume with handle 0x%x", 438 event_data->RAIDOperation, event_data->PercentComplete, 439 event_data->VolDevHandle); 440 break; 441 } 442 case MPI2_EVENT_LOG_ENTRY_ADDED: 443 { 444 pMpi2EventDataLogEntryAdded_t logEntry; 445 uint16_t logQualifier; 446 uint8_t logCode; 447 448 logEntry = (pMpi2EventDataLogEntryAdded_t)fw_event->event_data; 449 logQualifier = logEntry->LogEntryQualifier; 450 451 if (logQualifier == MPI2_WD_LOG_ENTRY) { 452 logCode = logEntry->LogData[0]; 453 454 switch (logCode) { 455 case MPI2_WD_SSD_THROTTLING: 456 kprintf("WarpDrive Warning: IO Throttling has " 457 "occurred in the WarpDrive subsystem. " 458 "Check WarpDrive documentation for " 459 "additional details\n"); 460 break; 461 case MPI2_WD_DRIVE_LIFE_WARN: 462 kprintf("WarpDrive Warning: Program/Erase " 463 "Cycles for the WarpDrive subsystem in " 464 "degraded range. Check WarpDrive " 465 "documentation for additional details\n"); 466 break; 467 case MPI2_WD_DRIVE_LIFE_DEAD: 468 kprintf("WarpDrive Fatal Error: There are no " 469 "Program/Erase Cycles for the WarpDrive " 470 "subsystem. The storage device will be in " 471 "read-only mode. Check WarpDrive " 472 "documentation for additional details\n"); 473 break; 474 case MPI2_WD_RAIL_MON_FAIL: 475 kprintf("WarpDrive Fatal Error: The Backup Rail " 476 "Monitor has failed on the WarpDrive " 477 "subsystem. Check WarpDrive documentation " 478 "for additional details\n"); 479 break; 480 default: 481 break; 482 } 483 } 484 break; 485 } 486 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: 487 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: 488 default: 489 mps_dprint(sc, MPS_TRACE,"Unhandled event 0x%0X\n", 490 fw_event->event); 491 break; 492 493 } 494 mpssas_fw_event_free(sc, fw_event); 495 } 496 497 void 498 mpssas_firmware_event_work(void *arg, int pending) 499 { 500 struct mps_fw_event_work *fw_event; 501 struct mps_softc *sc; 502 503 sc = (struct mps_softc *)arg; 504 mps_lock(sc); 505 while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) { 506 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link); 507 mpssas_fw_work(sc, fw_event); 508 } 509 mps_unlock(sc); 510 } 511 512 static int 513 mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate){ 514 char devstring[80]; 515 struct mpssas_softc *sassc; 516 struct mpssas_target *targ; 517 Mpi2ConfigReply_t mpi_reply; 518 Mpi2SasDevicePage0_t config_page; 519 uint64_t sas_address, sata_sas_address; 520 uint64_t parent_sas_address = 0; 521 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 522 u32 device_info, parent_devinfo = 0; 523 unsigned int id; 524 int ret; 525 int error = 0; 526 527 sassc = sc->sassc; 528 mpssas_startup_increment(sassc); 529 if ((mps_config_get_sas_device_pg0(sc, &mpi_reply, &config_page, 530 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { 531 kprintf("%s: error reading SAS device page0\n", __func__); 532 error = ENXIO; 533 goto out; 534 } 535 536 device_info = le32toh(config_page.DeviceInfo); 537 538 if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) 539 && (config_page.ParentDevHandle != 0)) { 540 Mpi2ConfigReply_t tmp_mpi_reply; 541 Mpi2SasDevicePage0_t parent_config_page; 542 543 if ((mps_config_get_sas_device_pg0(sc, &tmp_mpi_reply, 544 &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, 545 le16toh(config_page.ParentDevHandle)))) { 546 kprintf("%s: error reading SAS device %#x page0\n", 547 __func__, le16toh(config_page.ParentDevHandle)); 548 } else { 549 parent_sas_address = parent_config_page.SASAddress.High; 550 parent_sas_address = (parent_sas_address << 32) | 551 parent_config_page.SASAddress.Low; 552 parent_devinfo = le32toh(parent_config_page.DeviceInfo); 553 } 554 } 555 /* TODO Check proper endianess */ 556 sas_address = config_page.SASAddress.High; 557 sas_address = (sas_address << 32) | 558 config_page.SASAddress.Low; 559 560 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) 561 == MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) { 562 if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) { 563 ret = mpssas_get_sas_address_for_sata_disk(sc, 564 &sata_sas_address, handle, device_info); 565 if (!ret) 566 id = mps_mapping_get_sas_id(sc, 567 sata_sas_address, handle); 568 else 569 id = mps_mapping_get_sas_id(sc, 570 sas_address, handle); 571 } else 572 id = mps_mapping_get_sas_id(sc, sas_address, 573 handle); 574 } else 575 id = mps_mapping_get_sas_id(sc, sas_address, handle); 576 577 if (id == MPS_MAP_BAD_ID) { 578 kprintf("failure at %s:%d/%s()! Could not get ID for device " 579 "with handle 0x%04x\n", __FILE__, __LINE__, __func__, 580 handle); 581 error = ENXIO; 582 goto out; 583 } 584 mps_vprintf(sc, "SAS Address from SAS device page0 = %jx\n", 585 sas_address); 586 targ = &sassc->targets[id]; 587 targ->devinfo = device_info; 588 targ->devname = le32toh(config_page.DeviceName.High); 589 targ->devname = (targ->devname << 32) | 590 le32toh(config_page.DeviceName.Low); 591 targ->encl_handle = le16toh(config_page.EnclosureHandle); 592 targ->encl_slot = le16toh(config_page.Slot); 593 targ->handle = handle; 594 targ->parent_handle = le16toh(config_page.ParentDevHandle); 595 targ->sasaddr = mps_to_u64(&config_page.SASAddress); 596 targ->parent_sasaddr = le64toh(parent_sas_address); 597 targ->parent_devinfo = parent_devinfo; 598 targ->tid = id; 599 targ->linkrate = (linkrate>>4); 600 targ->flags = 0; 601 TAILQ_INIT(&targ->commands); 602 TAILQ_INIT(&targ->timedout_commands); 603 SLIST_INIT(&targ->luns); 604 mps_describe_devinfo(targ->devinfo, devstring, 80); 605 mps_vprintf(sc, "Found device <%s> <%s> <0x%04x> <%d/%d>\n", devstring, 606 mps_describe_table(mps_linkrate_names, targ->linkrate), 607 targ->handle, targ->encl_handle, targ->encl_slot); 608 if ((sassc->flags & MPSSAS_IN_STARTUP) == 0) 609 mpssas_rescan_target(sc, targ); 610 mps_vprintf(sc, "Target id 0x%x added\n", targ->tid); 611 out: 612 mpssas_startup_decrement(sassc); 613 return (error); 614 615 } 616 617 int 618 mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc, 619 u64 *sas_address, u16 handle, u32 device_info) 620 { 621 Mpi2SataPassthroughReply_t mpi_reply; 622 int i, rc, try_count; 623 u32 *bufferptr; 624 union _sata_sas_address hash_address; 625 struct _ata_identify_device_data ata_identify; 626 u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN]; 627 u32 ioc_status; 628 u8 sas_status; 629 630 memset(&ata_identify, 0, sizeof(ata_identify)); 631 try_count = 0; 632 do { 633 rc = mpssas_get_sata_identify(sc, handle, &mpi_reply, 634 (char *)&ata_identify, sizeof(ata_identify), device_info); 635 try_count++; 636 ioc_status = le16toh(mpi_reply.IOCStatus) 637 & MPI2_IOCSTATUS_MASK; 638 sas_status = mpi_reply.SASStatus; 639 } while ((rc == -EAGAIN || ioc_status || sas_status) && 640 (try_count < 5)); 641 642 if (rc == 0 && !ioc_status && !sas_status) { 643 mps_dprint(sc, MPS_INFO, "%s: got SATA identify successfully " 644 "for handle = 0x%x with try_count = %d\n", 645 __func__, handle, try_count); 646 } else { 647 mps_dprint(sc, MPS_INFO, "%s: handle = 0x%x failed\n", 648 __func__, handle); 649 return -1; 650 } 651 /* Copy & byteswap the 40 byte model number to a buffer */ 652 for (i = 0; i < MPT2SAS_MN_LEN; i += 2) { 653 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1]; 654 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i]; 655 } 656 /* Copy & byteswap the 20 byte serial number to a buffer */ 657 for (i = 0; i < MPT2SAS_SN_LEN; i += 2) { 658 buffer[MPT2SAS_MN_LEN + i] = 659 ((u8 *)ata_identify.serial_number)[i + 1]; 660 buffer[MPT2SAS_MN_LEN + i + 1] = 661 ((u8 *)ata_identify.serial_number)[i]; 662 } 663 bufferptr = (u32 *)buffer; 664 /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8, 665 * so loop through the first 56 bytes (7*8), 666 * and then add in the last dword. 667 */ 668 hash_address.word.low = 0; 669 hash_address.word.high = 0; 670 for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) { 671 hash_address.word.low += *bufferptr; 672 bufferptr++; 673 hash_address.word.high += *bufferptr; 674 bufferptr++; 675 } 676 /* Add the last dword */ 677 hash_address.word.low += *bufferptr; 678 /* Make sure the hash doesn't start with 5, because it could clash 679 * with a SAS address. Change 5 to a D. 680 */ 681 if ((hash_address.word.high & 0x000000F0) == (0x00000050)) 682 hash_address.word.high |= 0x00000080; 683 *sas_address = (u64)hash_address.wwid[0] << 56 | 684 (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 | 685 (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 | 686 (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] << 8 | 687 (u64)hash_address.wwid[7]; 688 return 0; 689 } 690 691 static int 692 mpssas_get_sata_identify(struct mps_softc *sc, u16 handle, 693 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo) 694 { 695 Mpi2SataPassthroughRequest_t *mpi_request; 696 Mpi2SataPassthroughReply_t *reply; 697 struct mps_command *cm; 698 char *buffer; 699 int error = 0; 700 701 buffer = kmalloc( sz, M_MPT2, M_NOWAIT | M_ZERO); 702 if (!buffer) 703 return ENOMEM; 704 705 if ((cm = mps_alloc_command(sc)) == NULL) 706 return (EBUSY); 707 mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req; 708 bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST)); 709 mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH; 710 mpi_request->VF_ID = 0; 711 mpi_request->DevHandle = htole16(handle); 712 mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO | 713 MPI2_SATA_PT_REQ_PT_FLAGS_READ); 714 mpi_request->DataLength = htole32(sz); 715 mpi_request->CommandFIS[0] = 0x27; 716 mpi_request->CommandFIS[1] = 0x80; 717 mpi_request->CommandFIS[2] = (devinfo & 718 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC; 719 cm->cm_sge = &mpi_request->SGL; 720 cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION); 721 cm->cm_flags = MPS_CM_FLAGS_SGE_SIMPLE | MPS_CM_FLAGS_DATAIN; 722 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 723 cm->cm_data = buffer; 724 cm->cm_length = htole32(sz); 725 error = mps_request_polled(sc, cm); 726 reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply; 727 if (error || (reply == NULL)) { 728 /* FIXME */ 729 /* If the poll returns error then we need to do diag reset */ 730 kprintf("%s: poll for page completed with error %d", 731 __func__, error); 732 error = ENXIO; 733 goto out; 734 } 735 bcopy(buffer, id_buffer, sz); 736 bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t)); 737 if ((reply->IOCStatus & MPI2_IOCSTATUS_MASK) != 738 MPI2_IOCSTATUS_SUCCESS) { 739 kprintf("%s: error reading SATA PASSTHRU; iocstatus = 0x%x\n", 740 __func__, reply->IOCStatus); 741 error = ENXIO; 742 goto out; 743 } 744 out: 745 mps_free_command(sc, cm); 746 kfree(buffer, M_MPT2); 747 return (error); 748 } 749 750 static int 751 mpssas_volume_add(struct mps_softc *sc, Mpi2EventIrConfigElement_t *element) 752 { 753 struct mpssas_softc *sassc; 754 struct mpssas_target *targ; 755 u64 wwid; 756 u16 handle = le16toh(element->VolDevHandle); 757 unsigned int id; 758 int error = 0; 759 760 sassc = sc->sassc; 761 mpssas_startup_increment(sassc); 762 mps_config_get_volume_wwid(sc, handle, &wwid); 763 if (!wwid) { 764 kprintf("%s: invalid WWID; cannot add volume to mapping table\n", 765 __func__); 766 error = ENXIO; 767 goto out; 768 } 769 770 id = mps_mapping_get_raid_id(sc, wwid, handle); 771 if (id == MPS_MAP_BAD_ID) { 772 kprintf("%s: could not get ID for volume with handle 0x%04x and " 773 "WWID 0x%016llx\n", __func__, handle, 774 (unsigned long long)wwid); 775 error = ENXIO; 776 goto out; 777 } 778 779 targ = &sassc->targets[id]; 780 targ->tid = id; 781 targ->handle = handle; 782 targ->devname = wwid; 783 TAILQ_INIT(&targ->commands); 784 TAILQ_INIT(&targ->timedout_commands); 785 SLIST_INIT(&targ->luns); 786 if ((sassc->flags & MPSSAS_IN_STARTUP) == 0) 787 mpssas_rescan_target(sc, targ); 788 mps_dprint(sc, MPS_INFO, "RAID target id %d added (WWID = 0x%jx)\n", 789 targ->tid, wwid); 790 out: 791 mpssas_startup_decrement(sassc); 792 return (error); 793 } 794 795 /** 796 * mpssas_ir_shutdown - IR shutdown notification 797 * @sc: per adapter object 798 * 799 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that 800 * the host system is shutting down. 801 * 802 * Return nothing. 803 */ 804 void 805 mpssas_ir_shutdown(struct mps_softc *sc) 806 { 807 u16 volume_mapping_flags; 808 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 809 struct dev_mapping_table *mt_entry; 810 u32 start_idx, end_idx; 811 unsigned int id, found_volume = 0; 812 struct mps_command *cm; 813 Mpi2RaidActionRequest_t *action; 814 815 mps_lock(sc); 816 817 mps_dprint(sc, MPS_TRACE, "%s\n", __func__); 818 819 /* is IR firmware build loaded? */ 820 if (!sc->ir_firmware) 821 goto back; 822 823 /* are there any volumes? Look at IR target IDs. */ 824 // TODO-later, this should be looked up in the RAID config structure 825 // when it is implemented. 826 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) & 827 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; 828 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) { 829 start_idx = 0; 830 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0) 831 start_idx = 1; 832 } else 833 start_idx = sc->max_devices - sc->max_volumes; 834 end_idx = start_idx + sc->max_volumes - 1; 835 836 for (id = start_idx; id < end_idx; id++) { 837 mt_entry = &sc->mapping_table[id]; 838 if ((mt_entry->physical_id != 0) && 839 (mt_entry->missing_count == 0)) { 840 found_volume = 1; 841 break; 842 } 843 } 844 845 if (!found_volume) 846 goto back; 847 848 if ((cm = mps_alloc_command(sc)) == NULL) { 849 kprintf("%s: command alloc failed\n", __func__); 850 goto back; 851 } 852 853 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req; 854 action->Function = MPI2_FUNCTION_RAID_ACTION; 855 action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; 856 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; 857 mps_request_polled(sc, cm); 858 859 /* 860 * Don't check for reply, just leave. 861 */ 862 if (cm) 863 mps_free_command(sc, cm); 864 865 back: 866 mps_unlock(sc); 867 } 868