1 /*- 2 * Copyright (c) 2011, 2012 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 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 /* TODO Move headers to mpsvar */ 33 #include <sys/types.h> 34 #include <sys/param.h> 35 #include <sys/lock.h> 36 #include <sys/mutex.h> 37 #include <sys/systm.h> 38 #include <sys/kernel.h> 39 #include <sys/malloc.h> 40 #include <sys/kthread.h> 41 #include <sys/taskqueue.h> 42 #include <sys/bus.h> 43 #include <sys/endian.h> 44 #include <sys/sysctl.h> 45 #include <sys/eventhandler.h> 46 #include <sys/uio.h> 47 #include <machine/bus.h> 48 #include <machine/resource.h> 49 #include <dev/mps/mpi/mpi2_type.h> 50 #include <dev/mps/mpi/mpi2.h> 51 #include <dev/mps/mpi/mpi2_ioc.h> 52 #include <dev/mps/mpi/mpi2_sas.h> 53 #include <dev/mps/mpi/mpi2_cnfg.h> 54 #include <dev/mps/mpi/mpi2_init.h> 55 #include <dev/mps/mpi/mpi2_tool.h> 56 #include <dev/mps/mps_ioctl.h> 57 #include <dev/mps/mpsvar.h> 58 #include <dev/mps/mps_mapping.h> 59 60 /** 61 * _mapping_clear_entry - Clear a particular mapping entry. 62 * @map_entry: map table entry 63 * 64 * Returns nothing. 65 */ 66 static inline void 67 _mapping_clear_map_entry(struct dev_mapping_table *map_entry) 68 { 69 map_entry->physical_id = 0; 70 map_entry->device_info = 0; 71 map_entry->phy_bits = 0; 72 map_entry->dpm_entry_num = MPS_DPM_BAD_IDX; 73 map_entry->dev_handle = 0; 74 map_entry->channel = -1; 75 map_entry->id = -1; 76 map_entry->missing_count = 0; 77 map_entry->init_complete = 0; 78 map_entry->TLR_bits = (u8)MPI2_SCSIIO_CONTROL_NO_TLR; 79 } 80 81 /** 82 * _mapping_clear_enc_entry - Clear a particular enclosure table entry. 83 * @enc_entry: enclosure table entry 84 * 85 * Returns nothing. 86 */ 87 static inline void 88 _mapping_clear_enc_entry(struct enc_mapping_table *enc_entry) 89 { 90 enc_entry->enclosure_id = 0; 91 enc_entry->start_index = MPS_MAPTABLE_BAD_IDX; 92 enc_entry->phy_bits = 0; 93 enc_entry->dpm_entry_num = MPS_DPM_BAD_IDX; 94 enc_entry->enc_handle = 0; 95 enc_entry->num_slots = 0; 96 enc_entry->start_slot = 0; 97 enc_entry->missing_count = 0; 98 enc_entry->removal_flag = 0; 99 enc_entry->skip_search = 0; 100 enc_entry->init_complete = 0; 101 } 102 103 /** 104 * _mapping_commit_enc_entry - write a particular enc entry in DPM page0. 105 * @sc: per adapter object 106 * @enc_entry: enclosure table entry 107 * 108 * Returns 0 for success, non-zero for failure. 109 */ 110 static int 111 _mapping_commit_enc_entry(struct mps_softc *sc, 112 struct enc_mapping_table *et_entry) 113 { 114 Mpi2DriverMap0Entry_t *dpm_entry; 115 struct dev_mapping_table *mt_entry; 116 Mpi2ConfigReply_t mpi_reply; 117 Mpi2DriverMappingPage0_t config_page; 118 119 if (!sc->is_dpm_enable) 120 return 0; 121 122 memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t)); 123 memcpy(&config_page.Header, (u8 *) sc->dpm_pg0, 124 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); 125 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 + 126 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); 127 dpm_entry += et_entry->dpm_entry_num; 128 dpm_entry->PhysicalIdentifier.Low = 129 ( 0xFFFFFFFF & et_entry->enclosure_id); 130 dpm_entry->PhysicalIdentifier.High = 131 ( et_entry->enclosure_id >> 32); 132 mt_entry = &sc->mapping_table[et_entry->start_index]; 133 dpm_entry->DeviceIndex = htole16(mt_entry->id); 134 dpm_entry->MappingInformation = et_entry->num_slots; 135 dpm_entry->MappingInformation <<= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT; 136 dpm_entry->MappingInformation |= et_entry->missing_count; 137 dpm_entry->MappingInformation = htole16(dpm_entry->MappingInformation); 138 dpm_entry->PhysicalBitsMapping = htole32(et_entry->phy_bits); 139 dpm_entry->Reserved1 = 0; 140 141 memcpy(&config_page.Entry, (u8 *)dpm_entry, 142 sizeof(Mpi2DriverMap0Entry_t)); 143 if (mps_config_set_dpm_pg0(sc, &mpi_reply, &config_page, 144 et_entry->dpm_entry_num)) { 145 printf("%s: write of dpm entry %d for enclosure failed\n", 146 __func__, et_entry->dpm_entry_num); 147 dpm_entry->MappingInformation = le16toh(dpm_entry-> 148 MappingInformation); 149 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex); 150 dpm_entry->PhysicalBitsMapping = 151 le32toh(dpm_entry->PhysicalBitsMapping); 152 return -1; 153 } 154 dpm_entry->MappingInformation = le16toh(dpm_entry-> 155 MappingInformation); 156 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex); 157 dpm_entry->PhysicalBitsMapping = 158 le32toh(dpm_entry->PhysicalBitsMapping); 159 return 0; 160 } 161 162 /** 163 * _mapping_commit_map_entry - write a particular map table entry in DPM page0. 164 * @sc: per adapter object 165 * @enc_entry: enclosure table entry 166 * 167 * Returns 0 for success, non-zero for failure. 168 */ 169 170 static int 171 _mapping_commit_map_entry(struct mps_softc *sc, 172 struct dev_mapping_table *mt_entry) 173 { 174 Mpi2DriverMap0Entry_t *dpm_entry; 175 Mpi2ConfigReply_t mpi_reply; 176 Mpi2DriverMappingPage0_t config_page; 177 178 if (!sc->is_dpm_enable) 179 return 0; 180 181 memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t)); 182 memcpy(&config_page.Header, (u8 *)sc->dpm_pg0, 183 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); 184 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *) sc->dpm_pg0 + 185 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); 186 dpm_entry = dpm_entry + mt_entry->dpm_entry_num; 187 dpm_entry->PhysicalIdentifier.Low = (0xFFFFFFFF & 188 mt_entry->physical_id); 189 dpm_entry->PhysicalIdentifier.High = (mt_entry->physical_id >> 32); 190 dpm_entry->DeviceIndex = htole16(mt_entry->id); 191 dpm_entry->MappingInformation = htole16(mt_entry->missing_count); 192 dpm_entry->PhysicalBitsMapping = 0; 193 dpm_entry->Reserved1 = 0; 194 dpm_entry->MappingInformation = htole16(dpm_entry->MappingInformation); 195 memcpy(&config_page.Entry, (u8 *)dpm_entry, 196 sizeof(Mpi2DriverMap0Entry_t)); 197 if (mps_config_set_dpm_pg0(sc, &mpi_reply, &config_page, 198 mt_entry->dpm_entry_num)) { 199 printf("%s: write of dpm entry %d for device failed\n", 200 __func__, mt_entry->dpm_entry_num); 201 dpm_entry->MappingInformation = le16toh(dpm_entry-> 202 MappingInformation); 203 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex); 204 return -1; 205 } 206 207 dpm_entry->MappingInformation = le16toh(dpm_entry->MappingInformation); 208 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex); 209 return 0; 210 } 211 212 /** 213 * _mapping_get_ir_maprange - get start and end index for IR map range. 214 * @sc: per adapter object 215 * @start_idx: place holder for start index 216 * @end_idx: place holder for end index 217 * 218 * The IR volumes can be mapped either at start or end of the mapping table 219 * this function gets the detail of where IR volume mapping starts and ends 220 * in the device mapping table 221 * 222 * Returns nothing. 223 */ 224 static void 225 _mapping_get_ir_maprange(struct mps_softc *sc, u32 *start_idx, u32 *end_idx) 226 { 227 u16 volume_mapping_flags; 228 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 229 230 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) & 231 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; 232 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) { 233 *start_idx = 0; 234 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0) 235 *start_idx = 1; 236 } else 237 *start_idx = sc->max_devices - sc->max_volumes; 238 *end_idx = *start_idx + sc->max_volumes - 1; 239 } 240 241 /** 242 * _mapping_get_enc_idx_from_id - get enclosure index from enclosure ID 243 * @sc: per adapter object 244 * @enc_id: enclosure logical identifier 245 * 246 * Returns the index of enclosure entry on success or bad index. 247 */ 248 static u8 249 _mapping_get_enc_idx_from_id(struct mps_softc *sc, u64 enc_id, 250 u64 phy_bits) 251 { 252 struct enc_mapping_table *et_entry; 253 u8 enc_idx = 0; 254 255 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) { 256 et_entry = &sc->enclosure_table[enc_idx]; 257 if ((et_entry->enclosure_id == le64toh(enc_id)) && 258 (!et_entry->phy_bits || (et_entry->phy_bits & 259 le32toh(phy_bits)))) 260 return enc_idx; 261 } 262 return MPS_ENCTABLE_BAD_IDX; 263 } 264 265 /** 266 * _mapping_get_enc_idx_from_handle - get enclosure index from handle 267 * @sc: per adapter object 268 * @enc_id: enclosure handle 269 * 270 * Returns the index of enclosure entry on success or bad index. 271 */ 272 static u8 273 _mapping_get_enc_idx_from_handle(struct mps_softc *sc, u16 handle) 274 { 275 struct enc_mapping_table *et_entry; 276 u8 enc_idx = 0; 277 278 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) { 279 et_entry = &sc->enclosure_table[enc_idx]; 280 if (et_entry->missing_count) 281 continue; 282 if (et_entry->enc_handle == handle) 283 return enc_idx; 284 } 285 return MPS_ENCTABLE_BAD_IDX; 286 } 287 288 /** 289 * _mapping_get_high_missing_et_idx - get missing enclosure index 290 * @sc: per adapter object 291 * 292 * Search through the enclosure table and identifies the enclosure entry 293 * with high missing count and returns it's index 294 * 295 * Returns the index of enclosure entry on success or bad index. 296 */ 297 static u8 298 _mapping_get_high_missing_et_idx(struct mps_softc *sc) 299 { 300 struct enc_mapping_table *et_entry; 301 u8 high_missing_count = 0; 302 u8 enc_idx, high_idx = MPS_ENCTABLE_BAD_IDX; 303 304 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) { 305 et_entry = &sc->enclosure_table[enc_idx]; 306 if ((et_entry->missing_count > high_missing_count) && 307 !et_entry->skip_search) { 308 high_missing_count = et_entry->missing_count; 309 high_idx = enc_idx; 310 } 311 } 312 return high_idx; 313 } 314 315 /** 316 * _mapping_get_high_missing_mt_idx - get missing map table index 317 * @sc: per adapter object 318 * 319 * Search through the map table and identifies the device entry 320 * with high missing count and returns it's index 321 * 322 * Returns the index of map table entry on success or bad index. 323 */ 324 static u32 325 _mapping_get_high_missing_mt_idx(struct mps_softc *sc) 326 { 327 u32 map_idx, high_idx = MPS_ENCTABLE_BAD_IDX; 328 u8 high_missing_count = 0; 329 u32 start_idx, end_idx, start_idx_ir, end_idx_ir; 330 struct dev_mapping_table *mt_entry; 331 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 332 333 start_idx = 0; 334 start_idx_ir = 0; 335 end_idx_ir = 0; 336 end_idx = sc->max_devices; 337 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0) 338 start_idx = 1; 339 if (sc->ir_firmware) { 340 _mapping_get_ir_maprange(sc, &start_idx_ir, &end_idx_ir); 341 if (start_idx == start_idx_ir) 342 start_idx = end_idx_ir + 1; 343 else 344 end_idx = start_idx_ir; 345 } 346 mt_entry = &sc->mapping_table[start_idx]; 347 for (map_idx = start_idx; map_idx < end_idx; map_idx++, mt_entry++) { 348 if (mt_entry->missing_count > high_missing_count) { 349 high_missing_count = mt_entry->missing_count; 350 high_idx = map_idx; 351 } 352 } 353 return high_idx; 354 } 355 356 /** 357 * _mapping_get_ir_mt_idx_from_wwid - get map table index from volume WWID 358 * @sc: per adapter object 359 * @wwid: world wide unique ID of the volume 360 * 361 * Returns the index of map table entry on success or bad index. 362 */ 363 static u32 364 _mapping_get_ir_mt_idx_from_wwid(struct mps_softc *sc, u64 wwid) 365 { 366 u32 start_idx, end_idx, map_idx; 367 struct dev_mapping_table *mt_entry; 368 369 _mapping_get_ir_maprange(sc, &start_idx, &end_idx); 370 mt_entry = &sc->mapping_table[start_idx]; 371 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) 372 if (mt_entry->physical_id == wwid) 373 return map_idx; 374 375 return MPS_MAPTABLE_BAD_IDX; 376 } 377 378 /** 379 * _mapping_get_mt_idx_from_id - get map table index from a device ID 380 * @sc: per adapter object 381 * @dev_id: device identifer (SAS Address) 382 * 383 * Returns the index of map table entry on success or bad index. 384 */ 385 static u32 386 _mapping_get_mt_idx_from_id(struct mps_softc *sc, u64 dev_id) 387 { 388 u32 map_idx; 389 struct dev_mapping_table *mt_entry; 390 391 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) { 392 mt_entry = &sc->mapping_table[map_idx]; 393 if (mt_entry->physical_id == dev_id) 394 return map_idx; 395 } 396 return MPS_MAPTABLE_BAD_IDX; 397 } 398 399 /** 400 * _mapping_get_ir_mt_idx_from_handle - get map table index from volume handle 401 * @sc: per adapter object 402 * @wwid: volume device handle 403 * 404 * Returns the index of map table entry on success or bad index. 405 */ 406 static u32 407 _mapping_get_ir_mt_idx_from_handle(struct mps_softc *sc, u16 volHandle) 408 { 409 u32 start_idx, end_idx, map_idx; 410 struct dev_mapping_table *mt_entry; 411 412 _mapping_get_ir_maprange(sc, &start_idx, &end_idx); 413 mt_entry = &sc->mapping_table[start_idx]; 414 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) 415 if (mt_entry->dev_handle == volHandle) 416 return map_idx; 417 418 return MPS_MAPTABLE_BAD_IDX; 419 } 420 421 /** 422 * _mapping_get_mt_idx_from_handle - get map table index from handle 423 * @sc: per adapter object 424 * @dev_id: device handle 425 * 426 * Returns the index of map table entry on success or bad index. 427 */ 428 static u32 429 _mapping_get_mt_idx_from_handle(struct mps_softc *sc, u16 handle) 430 { 431 u32 map_idx; 432 struct dev_mapping_table *mt_entry; 433 434 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) { 435 mt_entry = &sc->mapping_table[map_idx]; 436 if (mt_entry->dev_handle == handle) 437 return map_idx; 438 } 439 return MPS_MAPTABLE_BAD_IDX; 440 } 441 442 /** 443 * _mapping_get_free_ir_mt_idx - get first free index for a volume 444 * @sc: per adapter object 445 * 446 * Search through mapping table for free index for a volume and if no free 447 * index then looks for a volume with high mapping index 448 * 449 * Returns the index of map table entry on success or bad index. 450 */ 451 static u32 452 _mapping_get_free_ir_mt_idx(struct mps_softc *sc) 453 { 454 u8 high_missing_count = 0; 455 u32 start_idx, end_idx, map_idx; 456 u32 high_idx = MPS_MAPTABLE_BAD_IDX; 457 struct dev_mapping_table *mt_entry; 458 459 _mapping_get_ir_maprange(sc, &start_idx, &end_idx); 460 461 mt_entry = &sc->mapping_table[start_idx]; 462 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) 463 if (!(mt_entry->device_info & MPS_MAP_IN_USE)) 464 return map_idx; 465 466 mt_entry = &sc->mapping_table[start_idx]; 467 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) { 468 if (mt_entry->missing_count > high_missing_count) { 469 high_missing_count = mt_entry->missing_count; 470 high_idx = map_idx; 471 } 472 } 473 return high_idx; 474 } 475 476 /** 477 * _mapping_get_free_mt_idx - get first free index for a device 478 * @sc: per adapter object 479 * @start_idx: offset in the table to start search 480 * 481 * Returns the index of map table entry on success or bad index. 482 */ 483 static u32 484 _mapping_get_free_mt_idx(struct mps_softc *sc, u32 start_idx) 485 { 486 u32 map_idx, max_idx = sc->max_devices; 487 struct dev_mapping_table *mt_entry = &sc->mapping_table[start_idx]; 488 u16 volume_mapping_flags; 489 490 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) & 491 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; 492 if (sc->ir_firmware && (volume_mapping_flags == 493 MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING)) 494 max_idx -= sc->max_volumes; 495 for (map_idx = start_idx; map_idx < max_idx; map_idx++, mt_entry++) 496 if (!(mt_entry->device_info & (MPS_MAP_IN_USE | 497 MPS_DEV_RESERVED))) 498 return map_idx; 499 500 return MPS_MAPTABLE_BAD_IDX; 501 } 502 503 /** 504 * _mapping_get_dpm_idx_from_id - get DPM index from ID 505 * @sc: per adapter object 506 * @id: volume WWID or enclosure ID or device ID 507 * 508 * Returns the index of DPM entry on success or bad index. 509 */ 510 static u16 511 _mapping_get_dpm_idx_from_id(struct mps_softc *sc, u64 id, u32 phy_bits) 512 { 513 u16 entry_num; 514 uint64_t PhysicalIdentifier; 515 Mpi2DriverMap0Entry_t *dpm_entry; 516 517 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 + 518 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); 519 PhysicalIdentifier = dpm_entry->PhysicalIdentifier.High; 520 PhysicalIdentifier = (PhysicalIdentifier << 32) | 521 dpm_entry->PhysicalIdentifier.Low; 522 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++, 523 dpm_entry++) 524 if ((id == PhysicalIdentifier) && 525 (!phy_bits || !dpm_entry->PhysicalBitsMapping || 526 (phy_bits & dpm_entry->PhysicalBitsMapping))) 527 return entry_num; 528 529 return MPS_DPM_BAD_IDX; 530 } 531 532 533 /** 534 * _mapping_get_free_dpm_idx - get first available DPM index 535 * @sc: per adapter object 536 * 537 * Returns the index of DPM entry on success or bad index. 538 */ 539 static u32 540 _mapping_get_free_dpm_idx(struct mps_softc *sc) 541 { 542 u16 entry_num; 543 544 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) { 545 if (!sc->dpm_entry_used[entry_num]) 546 return entry_num; 547 } 548 return MPS_DPM_BAD_IDX; 549 } 550 551 /** 552 * _mapping_update_ir_missing_cnt - Updates missing count for a volume 553 * @sc: per adapter object 554 * @map_idx: map table index of the volume 555 * @element: IR configuration change element 556 * @wwid: IR volume ID. 557 * 558 * Updates the missing count in the map table and in the DPM entry for a volume 559 * 560 * Returns nothing. 561 */ 562 static void 563 _mapping_update_ir_missing_cnt(struct mps_softc *sc, u32 map_idx, 564 Mpi2EventIrConfigElement_t *element, u64 wwid) 565 { 566 struct dev_mapping_table *mt_entry; 567 u8 missing_cnt, reason = element->ReasonCode; 568 u16 dpm_idx; 569 Mpi2DriverMap0Entry_t *dpm_entry; 570 571 if (!sc->is_dpm_enable) 572 return; 573 mt_entry = &sc->mapping_table[map_idx]; 574 if (reason == MPI2_EVENT_IR_CHANGE_RC_ADDED) { 575 mt_entry->missing_count = 0; 576 } else if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) { 577 mt_entry->missing_count = 0; 578 mt_entry->init_complete = 0; 579 } else if ((reason == MPI2_EVENT_IR_CHANGE_RC_REMOVED) || 580 (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED)) { 581 if (!mt_entry->init_complete) { 582 if (mt_entry->missing_count < MPS_MAX_MISSING_COUNT) 583 mt_entry->missing_count++; 584 else 585 mt_entry->init_complete = 1; 586 } 587 if (!mt_entry->missing_count) 588 mt_entry->missing_count++; 589 mt_entry->dev_handle = 0; 590 } 591 592 dpm_idx = mt_entry->dpm_entry_num; 593 if (dpm_idx == MPS_DPM_BAD_IDX) { 594 if ((reason == MPI2_EVENT_IR_CHANGE_RC_ADDED) || 595 (reason == MPI2_EVENT_IR_CHANGE_RC_REMOVED)) 596 dpm_idx = _mapping_get_dpm_idx_from_id(sc, 597 mt_entry->physical_id, 0); 598 else if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED) 599 return; 600 } 601 if (dpm_idx != MPS_DPM_BAD_IDX) { 602 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 + 603 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); 604 dpm_entry += dpm_idx; 605 missing_cnt = dpm_entry->MappingInformation & 606 MPI2_DRVMAP0_MAPINFO_MISSING_MASK; 607 if ((mt_entry->physical_id == 608 le64toh((u64)dpm_entry->PhysicalIdentifier.High | 609 dpm_entry->PhysicalIdentifier.Low)) && (missing_cnt == 610 mt_entry->missing_count)) 611 mt_entry->init_complete = 1; 612 } else { 613 dpm_idx = _mapping_get_free_dpm_idx(sc); 614 mt_entry->init_complete = 0; 615 } 616 617 if ((dpm_idx != MPS_DPM_BAD_IDX) && !mt_entry->init_complete) { 618 mt_entry->init_complete = 1; 619 mt_entry->dpm_entry_num = dpm_idx; 620 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 + 621 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); 622 dpm_entry += dpm_idx; 623 dpm_entry->PhysicalIdentifier.Low = 624 (0xFFFFFFFF & mt_entry->physical_id); 625 dpm_entry->PhysicalIdentifier.High = 626 (mt_entry->physical_id >> 32); 627 dpm_entry->DeviceIndex = map_idx; 628 dpm_entry->MappingInformation = mt_entry->missing_count; 629 dpm_entry->PhysicalBitsMapping = 0; 630 dpm_entry->Reserved1 = 0; 631 sc->dpm_flush_entry[dpm_idx] = 1; 632 sc->dpm_entry_used[dpm_idx] = 1; 633 } else if (dpm_idx == MPS_DPM_BAD_IDX) { 634 printf("%s: no space to add entry in DPM table\n", __func__); 635 mt_entry->init_complete = 1; 636 } 637 } 638 639 /** 640 * _mapping_add_to_removal_table - mark an entry for removal 641 * @sc: per adapter object 642 * @handle: Handle of enclosures/device/volume 643 * 644 * Adds the handle or DPM entry number in removal table. 645 * 646 * Returns nothing. 647 */ 648 static void 649 _mapping_add_to_removal_table(struct mps_softc *sc, u16 handle, 650 u16 dpm_idx) 651 { 652 struct map_removal_table *remove_entry; 653 u32 i; 654 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 655 656 remove_entry = sc->removal_table; 657 658 for (i = 0; i < sc->max_devices; i++, remove_entry++) { 659 if (remove_entry->dev_handle || remove_entry->dpm_entry_num != 660 MPS_DPM_BAD_IDX) 661 continue; 662 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 663 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) { 664 if (dpm_idx) 665 remove_entry->dpm_entry_num = dpm_idx; 666 if (remove_entry->dpm_entry_num == MPS_DPM_BAD_IDX) 667 remove_entry->dev_handle = handle; 668 } else if ((ioc_pg8_flags & 669 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 670 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) 671 remove_entry->dev_handle = handle; 672 break; 673 } 674 675 } 676 677 /** 678 * _mapping_update_missing_count - Update missing count for a device 679 * @sc: per adapter object 680 * @topo_change: Topology change event entry 681 * 682 * Search through the topology change list and if any device is found not 683 * responding it's associated map table entry and DPM entry is updated 684 * 685 * Returns nothing. 686 */ 687 static void 688 _mapping_update_missing_count(struct mps_softc *sc, 689 struct _map_topology_change *topo_change) 690 { 691 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 692 u8 entry; 693 struct _map_phy_change *phy_change; 694 u32 map_idx; 695 struct dev_mapping_table *mt_entry; 696 Mpi2DriverMap0Entry_t *dpm_entry; 697 698 for (entry = 0; entry < topo_change->num_entries; entry++) { 699 phy_change = &topo_change->phy_details[entry]; 700 if (!phy_change->dev_handle || (phy_change->reason != 701 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)) 702 continue; 703 map_idx = _mapping_get_mt_idx_from_handle(sc, phy_change-> 704 dev_handle); 705 phy_change->is_processed = 1; 706 if (map_idx == MPS_MAPTABLE_BAD_IDX) { 707 printf("%s: device is already removed from mapping " 708 "table\n", __func__); 709 continue; 710 } 711 mt_entry = &sc->mapping_table[map_idx]; 712 if (!mt_entry->init_complete) { 713 if (mt_entry->missing_count < MPS_MAX_MISSING_COUNT) 714 mt_entry->missing_count++; 715 else 716 mt_entry->init_complete = 1; 717 } 718 if (!mt_entry->missing_count) 719 mt_entry->missing_count++; 720 _mapping_add_to_removal_table(sc, mt_entry->dev_handle, 0); 721 mt_entry->dev_handle = 0; 722 723 if (((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 724 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) && 725 sc->is_dpm_enable && !mt_entry->init_complete && 726 mt_entry->dpm_entry_num != MPS_DPM_BAD_IDX) { 727 dpm_entry = 728 (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 + 729 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); 730 dpm_entry += mt_entry->dpm_entry_num; 731 dpm_entry->MappingInformation = mt_entry->missing_count; 732 sc->dpm_flush_entry[mt_entry->dpm_entry_num] = 1; 733 } 734 mt_entry->init_complete = 1; 735 } 736 } 737 738 /** 739 * _mapping_find_enc_map_space -find map table entries for enclosure 740 * @sc: per adapter object 741 * @et_entry: enclosure entry 742 * 743 * Search through the mapping table defragment it and provide contiguous 744 * space in map table for a particular enclosure entry 745 * 746 * Returns start index in map table or bad index. 747 */ 748 static u32 749 _mapping_find_enc_map_space(struct mps_softc *sc, 750 struct enc_mapping_table *et_entry) 751 { 752 u16 vol_mapping_flags; 753 u32 skip_count, end_of_table, map_idx, enc_idx; 754 u16 num_found; 755 u32 start_idx = MPS_MAPTABLE_BAD_IDX; 756 struct dev_mapping_table *mt_entry; 757 struct enc_mapping_table *enc_entry; 758 unsigned char done_flag = 0, found_space; 759 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs); 760 761 skip_count = sc->num_rsvd_entries; 762 num_found = 0; 763 764 vol_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) & 765 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; 766 767 if (!sc->ir_firmware) 768 end_of_table = sc->max_devices; 769 else if (vol_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) 770 end_of_table = sc->max_devices; 771 else 772 end_of_table = sc->max_devices - sc->max_volumes; 773 774 for (map_idx = (max_num_phy_ids + skip_count); 775 map_idx < end_of_table; map_idx++) { 776 mt_entry = &sc->mapping_table[map_idx]; 777 if ((et_entry->enclosure_id == mt_entry->physical_id) && 778 (!mt_entry->phy_bits || (mt_entry->phy_bits & 779 et_entry->phy_bits))) { 780 num_found += 1; 781 if (num_found == et_entry->num_slots) { 782 start_idx = (map_idx - num_found) + 1; 783 return start_idx; 784 } 785 } else 786 num_found = 0; 787 } 788 for (map_idx = (max_num_phy_ids + skip_count); 789 map_idx < end_of_table; map_idx++) { 790 mt_entry = &sc->mapping_table[map_idx]; 791 if (!(mt_entry->device_info & MPS_DEV_RESERVED)) { 792 num_found += 1; 793 if (num_found == et_entry->num_slots) { 794 start_idx = (map_idx - num_found) + 1; 795 return start_idx; 796 } 797 } else 798 num_found = 0; 799 } 800 801 while (!done_flag) { 802 enc_idx = _mapping_get_high_missing_et_idx(sc); 803 if (enc_idx == MPS_ENCTABLE_BAD_IDX) 804 return MPS_MAPTABLE_BAD_IDX; 805 enc_entry = &sc->enclosure_table[enc_idx]; 806 /*VSP FIXME*/ 807 enc_entry->skip_search = 1; 808 mt_entry = &sc->mapping_table[enc_entry->start_index]; 809 for (map_idx = enc_entry->start_index; map_idx < 810 (enc_entry->start_index + enc_entry->num_slots); map_idx++, 811 mt_entry++) 812 mt_entry->device_info &= ~MPS_DEV_RESERVED; 813 found_space = 0; 814 for (map_idx = (max_num_phy_ids + 815 skip_count); map_idx < end_of_table; map_idx++) { 816 mt_entry = &sc->mapping_table[map_idx]; 817 if (!(mt_entry->device_info & MPS_DEV_RESERVED)) { 818 num_found += 1; 819 if (num_found == et_entry->num_slots) { 820 start_idx = (map_idx - num_found) + 1; 821 found_space = 1; 822 } 823 } else 824 num_found = 0; 825 } 826 827 if (!found_space) 828 continue; 829 for (map_idx = start_idx; map_idx < (start_idx + num_found); 830 map_idx++) { 831 enc_entry = sc->enclosure_table; 832 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; 833 enc_idx++, enc_entry++) { 834 if (map_idx < enc_entry->start_index || 835 map_idx > (enc_entry->start_index + 836 enc_entry->num_slots)) 837 continue; 838 if (!enc_entry->removal_flag) { 839 enc_entry->removal_flag = 1; 840 _mapping_add_to_removal_table(sc, 0, 841 enc_entry->dpm_entry_num); 842 } 843 mt_entry = &sc->mapping_table[map_idx]; 844 if (mt_entry->device_info & 845 MPS_MAP_IN_USE) { 846 _mapping_add_to_removal_table(sc, 847 mt_entry->dev_handle, 0); 848 _mapping_clear_map_entry(mt_entry); 849 } 850 if (map_idx == (enc_entry->start_index + 851 enc_entry->num_slots - 1)) 852 _mapping_clear_enc_entry(et_entry); 853 } 854 } 855 enc_entry = sc->enclosure_table; 856 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; 857 enc_idx++, enc_entry++) { 858 if (!enc_entry->removal_flag) { 859 mt_entry = &sc->mapping_table[enc_entry-> 860 start_index]; 861 for (map_idx = enc_entry->start_index; map_idx < 862 (enc_entry->start_index + 863 enc_entry->num_slots); map_idx++, 864 mt_entry++) 865 mt_entry->device_info |= 866 MPS_DEV_RESERVED; 867 et_entry->skip_search = 0; 868 } 869 } 870 done_flag = 1; 871 } 872 return start_idx; 873 } 874 875 /** 876 * _mapping_get_dev_info -get information about newly added devices 877 * @sc: per adapter object 878 * @topo_change: Topology change event entry 879 * 880 * Search through the topology change event list and issues sas device pg0 881 * requests for the newly added device and reserved entries in tables 882 * 883 * Returns nothing 884 */ 885 static void 886 _mapping_get_dev_info(struct mps_softc *sc, 887 struct _map_topology_change *topo_change) 888 { 889 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 890 Mpi2ConfigReply_t mpi_reply; 891 Mpi2SasDevicePage0_t sas_device_pg0; 892 u8 entry, enc_idx, phy_idx; 893 u32 map_idx, index, device_info; 894 struct _map_phy_change *phy_change, *tmp_phy_change; 895 uint64_t sas_address; 896 struct enc_mapping_table *et_entry; 897 struct dev_mapping_table *mt_entry; 898 u8 add_code = MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED; 899 int rc; 900 901 for (entry = 0; entry < topo_change->num_entries; entry++) { 902 phy_change = &topo_change->phy_details[entry]; 903 if (phy_change->is_processed || !phy_change->dev_handle || 904 phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED) 905 continue; 906 if (mps_config_get_sas_device_pg0(sc, &mpi_reply, 907 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, 908 phy_change->dev_handle)) { 909 phy_change->is_processed = 1; 910 continue; 911 } 912 913 device_info = le32toh(sas_device_pg0.DeviceInfo); 914 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 915 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) { 916 if ((device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE) && 917 (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)) { 918 rc = mpssas_get_sas_address_for_sata_disk(sc, 919 &sas_address, phy_change->dev_handle, 920 device_info); 921 if (rc) { 922 printf("%s: failed to compute the " 923 "hashed SAS Address for SATA " 924 "device with handle 0x%04x\n", 925 __func__, phy_change->dev_handle); 926 sas_address = 927 sas_device_pg0.SASAddress.High; 928 sas_address = (sas_address << 32) | 929 sas_device_pg0.SASAddress.Low; 930 } 931 mps_dprint(sc, MPS_MAPPING, 932 "SAS Address for SATA device = %jx\n", 933 sas_address); 934 } else { 935 sas_address = 936 sas_device_pg0.SASAddress.High; 937 sas_address = (sas_address << 32) | 938 sas_device_pg0.SASAddress.Low; 939 } 940 } else { 941 sas_address = sas_device_pg0.SASAddress.High; 942 sas_address = (sas_address << 32) | 943 sas_device_pg0.SASAddress.Low; 944 } 945 phy_change->physical_id = sas_address; 946 phy_change->slot = le16toh(sas_device_pg0.Slot); 947 phy_change->device_info = 948 le32toh(sas_device_pg0.DeviceInfo); 949 950 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 951 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) { 952 enc_idx = _mapping_get_enc_idx_from_handle(sc, 953 topo_change->enc_handle); 954 if (enc_idx == MPS_ENCTABLE_BAD_IDX) { 955 phy_change->is_processed = 1; 956 printf("%s: failed to add the device with " 957 "handle 0x%04x because the enclosure is " 958 "not in the mapping table\n", __func__, 959 phy_change->dev_handle); 960 continue; 961 } 962 if (!((phy_change->device_info & 963 MPI2_SAS_DEVICE_INFO_END_DEVICE) && 964 (phy_change->device_info & 965 (MPI2_SAS_DEVICE_INFO_SSP_TARGET | 966 MPI2_SAS_DEVICE_INFO_STP_TARGET | 967 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))) { 968 phy_change->is_processed = 1; 969 continue; 970 } 971 et_entry = &sc->enclosure_table[enc_idx]; 972 if (et_entry->start_index != MPS_MAPTABLE_BAD_IDX) 973 continue; 974 if (!topo_change->exp_handle) { 975 map_idx = sc->num_rsvd_entries; 976 et_entry->start_index = map_idx; 977 } else { 978 map_idx = _mapping_find_enc_map_space(sc, 979 et_entry); 980 et_entry->start_index = map_idx; 981 if (et_entry->start_index == 982 MPS_MAPTABLE_BAD_IDX) { 983 phy_change->is_processed = 1; 984 for (phy_idx = 0; phy_idx < 985 topo_change->num_entries; 986 phy_idx++) { 987 tmp_phy_change = 988 &topo_change->phy_details 989 [phy_idx]; 990 if (tmp_phy_change->reason == 991 add_code) 992 tmp_phy_change-> 993 is_processed = 1; 994 } 995 break; 996 } 997 } 998 mt_entry = &sc->mapping_table[map_idx]; 999 for (index = map_idx; index < (et_entry->num_slots 1000 + map_idx); index++, mt_entry++) { 1001 mt_entry->device_info = MPS_DEV_RESERVED; 1002 mt_entry->physical_id = et_entry->enclosure_id; 1003 mt_entry->phy_bits = et_entry->phy_bits; 1004 } 1005 } 1006 } 1007 } 1008 1009 /** 1010 * _mapping_set_mid_to_eid -set map table data from enclosure table 1011 * @sc: per adapter object 1012 * @et_entry: enclosure entry 1013 * 1014 * Returns nothing 1015 */ 1016 static inline void 1017 _mapping_set_mid_to_eid(struct mps_softc *sc, 1018 struct enc_mapping_table *et_entry) 1019 { 1020 struct dev_mapping_table *mt_entry; 1021 u16 slots = et_entry->num_slots, map_idx; 1022 u32 start_idx = et_entry->start_index; 1023 if (start_idx != MPS_MAPTABLE_BAD_IDX) { 1024 mt_entry = &sc->mapping_table[start_idx]; 1025 for (map_idx = 0; map_idx < slots; map_idx++, mt_entry++) 1026 mt_entry->physical_id = et_entry->enclosure_id; 1027 } 1028 } 1029 1030 /** 1031 * _mapping_clear_removed_entries - mark the entries to be cleared 1032 * @sc: per adapter object 1033 * 1034 * Search through the removal table and mark the entries which needs to be 1035 * flushed to DPM and also updates the map table and enclosure table by 1036 * clearing the corresponding entries. 1037 * 1038 * Returns nothing 1039 */ 1040 static void 1041 _mapping_clear_removed_entries(struct mps_softc *sc) 1042 { 1043 u32 remove_idx; 1044 struct map_removal_table *remove_entry; 1045 Mpi2DriverMap0Entry_t *dpm_entry; 1046 u8 done_flag = 0, num_entries, m, i; 1047 struct enc_mapping_table *et_entry, *from, *to; 1048 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1049 1050 if (sc->is_dpm_enable) { 1051 remove_entry = sc->removal_table; 1052 for (remove_idx = 0; remove_idx < sc->max_devices; 1053 remove_idx++, remove_entry++) { 1054 if (remove_entry->dpm_entry_num != MPS_DPM_BAD_IDX) { 1055 dpm_entry = (Mpi2DriverMap0Entry_t *) 1056 ((u8 *) sc->dpm_pg0 + 1057 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); 1058 dpm_entry += remove_entry->dpm_entry_num; 1059 dpm_entry->PhysicalIdentifier.Low = 0; 1060 dpm_entry->PhysicalIdentifier.High = 0; 1061 dpm_entry->DeviceIndex = 0; 1062 dpm_entry->MappingInformation = 0; 1063 dpm_entry->PhysicalBitsMapping = 0; 1064 sc->dpm_flush_entry[remove_entry-> 1065 dpm_entry_num] = 1; 1066 sc->dpm_entry_used[remove_entry->dpm_entry_num] 1067 = 0; 1068 remove_entry->dpm_entry_num = MPS_DPM_BAD_IDX; 1069 } 1070 } 1071 } 1072 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 1073 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) { 1074 num_entries = sc->num_enc_table_entries; 1075 while (!done_flag) { 1076 done_flag = 1; 1077 et_entry = sc->enclosure_table; 1078 for (i = 0; i < num_entries; i++, et_entry++) { 1079 if (!et_entry->enc_handle && et_entry-> 1080 init_complete) { 1081 done_flag = 0; 1082 if (i != (num_entries - 1)) { 1083 from = &sc->enclosure_table 1084 [i+1]; 1085 to = &sc->enclosure_table[i]; 1086 for (m = i; m < (num_entries - 1087 1); m++, from++, to++) { 1088 _mapping_set_mid_to_eid 1089 (sc, to); 1090 *to = *from; 1091 } 1092 _mapping_clear_enc_entry(to); 1093 sc->num_enc_table_entries--; 1094 num_entries = 1095 sc->num_enc_table_entries; 1096 } else { 1097 _mapping_clear_enc_entry 1098 (et_entry); 1099 sc->num_enc_table_entries--; 1100 num_entries = 1101 sc->num_enc_table_entries; 1102 } 1103 } 1104 } 1105 } 1106 } 1107 } 1108 1109 /** 1110 * _mapping_add_new_device -Add the new device into mapping table 1111 * @sc: per adapter object 1112 * @topo_change: Topology change event entry 1113 * 1114 * Search through the topology change event list and updates map table, 1115 * enclosure table and DPM pages for for the newly added devices. 1116 * 1117 * Returns nothing 1118 */ 1119 static void 1120 _mapping_add_new_device(struct mps_softc *sc, 1121 struct _map_topology_change *topo_change) 1122 { 1123 u8 enc_idx, missing_cnt, is_removed = 0; 1124 u16 dpm_idx; 1125 u32 search_idx, map_idx; 1126 u32 entry; 1127 struct dev_mapping_table *mt_entry; 1128 struct enc_mapping_table *et_entry; 1129 struct _map_phy_change *phy_change; 1130 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1131 Mpi2DriverMap0Entry_t *dpm_entry; 1132 uint64_t temp64_var; 1133 u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT; 1134 u8 hdr_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER); 1135 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs); 1136 1137 for (entry = 0; entry < topo_change->num_entries; entry++) { 1138 phy_change = &topo_change->phy_details[entry]; 1139 if (phy_change->is_processed) 1140 continue; 1141 if (phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED || 1142 !phy_change->dev_handle) { 1143 phy_change->is_processed = 1; 1144 continue; 1145 } 1146 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 1147 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) { 1148 enc_idx = _mapping_get_enc_idx_from_handle 1149 (sc, topo_change->enc_handle); 1150 if (enc_idx == MPS_ENCTABLE_BAD_IDX) { 1151 phy_change->is_processed = 1; 1152 printf("%s: failed to add the device with " 1153 "handle 0x%04x because the enclosure is " 1154 "not in the mapping table\n", __func__, 1155 phy_change->dev_handle); 1156 continue; 1157 } 1158 et_entry = &sc->enclosure_table[enc_idx]; 1159 if (et_entry->start_index == MPS_MAPTABLE_BAD_IDX) { 1160 phy_change->is_processed = 1; 1161 if (!sc->mt_full_retry) { 1162 sc->mt_add_device_failed = 1; 1163 continue; 1164 } 1165 printf("%s: failed to add the device with " 1166 "handle 0x%04x because there is no free " 1167 "space available in the mapping table\n", 1168 __func__, phy_change->dev_handle); 1169 continue; 1170 } 1171 map_idx = et_entry->start_index + phy_change->slot - 1172 et_entry->start_slot; 1173 mt_entry = &sc->mapping_table[map_idx]; 1174 mt_entry->physical_id = phy_change->physical_id; 1175 mt_entry->channel = 0; 1176 mt_entry->id = map_idx; 1177 mt_entry->dev_handle = phy_change->dev_handle; 1178 mt_entry->missing_count = 0; 1179 mt_entry->dpm_entry_num = et_entry->dpm_entry_num; 1180 mt_entry->device_info = phy_change->device_info | 1181 (MPS_DEV_RESERVED | MPS_MAP_IN_USE); 1182 if (sc->is_dpm_enable) { 1183 dpm_idx = et_entry->dpm_entry_num; 1184 if (dpm_idx == MPS_DPM_BAD_IDX) 1185 dpm_idx = _mapping_get_dpm_idx_from_id 1186 (sc, et_entry->enclosure_id, 1187 et_entry->phy_bits); 1188 if (dpm_idx == MPS_DPM_BAD_IDX) { 1189 dpm_idx = _mapping_get_free_dpm_idx(sc); 1190 if (dpm_idx != MPS_DPM_BAD_IDX) { 1191 dpm_entry = 1192 (Mpi2DriverMap0Entry_t *) 1193 ((u8 *) sc->dpm_pg0 + 1194 hdr_sz); 1195 dpm_entry += dpm_idx; 1196 dpm_entry-> 1197 PhysicalIdentifier.Low = 1198 (0xFFFFFFFF & 1199 et_entry->enclosure_id); 1200 dpm_entry-> 1201 PhysicalIdentifier.High = 1202 ( et_entry->enclosure_id 1203 >> 32); 1204 dpm_entry->DeviceIndex = 1205 (U16)et_entry->start_index; 1206 dpm_entry->MappingInformation = 1207 et_entry->num_slots; 1208 dpm_entry->MappingInformation 1209 <<= map_shift; 1210 dpm_entry->PhysicalBitsMapping 1211 = et_entry->phy_bits; 1212 et_entry->dpm_entry_num = 1213 dpm_idx; 1214 /* FIXME Do I need to set the dpm_idxin mt_entry too */ 1215 sc->dpm_entry_used[dpm_idx] = 1; 1216 sc->dpm_flush_entry[dpm_idx] = 1217 1; 1218 phy_change->is_processed = 1; 1219 } else { 1220 phy_change->is_processed = 1; 1221 mps_dprint(sc, MPS_INFO, "%s: " 1222 "failed to add the device " 1223 "with handle 0x%04x to " 1224 "persistent table because " 1225 "there is no free space " 1226 "available\n", __func__, 1227 phy_change->dev_handle); 1228 } 1229 } else { 1230 et_entry->dpm_entry_num = dpm_idx; 1231 mt_entry->dpm_entry_num = dpm_idx; 1232 } 1233 } 1234 /* FIXME Why not mt_entry too? */ 1235 et_entry->init_complete = 1; 1236 } else if ((ioc_pg8_flags & 1237 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 1238 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) { 1239 map_idx = _mapping_get_mt_idx_from_id 1240 (sc, phy_change->physical_id); 1241 if (map_idx == MPS_MAPTABLE_BAD_IDX) { 1242 search_idx = sc->num_rsvd_entries; 1243 if (topo_change->exp_handle) 1244 search_idx += max_num_phy_ids; 1245 map_idx = _mapping_get_free_mt_idx(sc, 1246 search_idx); 1247 } 1248 if (map_idx == MPS_MAPTABLE_BAD_IDX) { 1249 map_idx = _mapping_get_high_missing_mt_idx(sc); 1250 if (map_idx != MPS_MAPTABLE_BAD_IDX) { 1251 mt_entry = &sc->mapping_table[map_idx]; 1252 if (mt_entry->dev_handle) { 1253 _mapping_add_to_removal_table 1254 (sc, mt_entry->dev_handle, 1255 0); 1256 is_removed = 1; 1257 } 1258 mt_entry->init_complete = 0; 1259 } 1260 } 1261 if (map_idx != MPS_MAPTABLE_BAD_IDX) { 1262 mt_entry = &sc->mapping_table[map_idx]; 1263 mt_entry->physical_id = phy_change->physical_id; 1264 mt_entry->channel = 0; 1265 mt_entry->id = map_idx; 1266 mt_entry->dev_handle = phy_change->dev_handle; 1267 mt_entry->missing_count = 0; 1268 mt_entry->device_info = phy_change->device_info 1269 | (MPS_DEV_RESERVED | MPS_MAP_IN_USE); 1270 } else { 1271 phy_change->is_processed = 1; 1272 if (!sc->mt_full_retry) { 1273 sc->mt_add_device_failed = 1; 1274 continue; 1275 } 1276 printf("%s: failed to add the device with " 1277 "handle 0x%04x because there is no free " 1278 "space available in the mapping table\n", 1279 __func__, phy_change->dev_handle); 1280 continue; 1281 } 1282 if (sc->is_dpm_enable) { 1283 if (mt_entry->dpm_entry_num != 1284 MPS_DPM_BAD_IDX) { 1285 dpm_idx = mt_entry->dpm_entry_num; 1286 dpm_entry = (Mpi2DriverMap0Entry_t *) 1287 ((u8 *)sc->dpm_pg0 + hdr_sz); 1288 dpm_entry += dpm_idx; 1289 missing_cnt = dpm_entry-> 1290 MappingInformation & 1291 MPI2_DRVMAP0_MAPINFO_MISSING_MASK; 1292 temp64_var = dpm_entry-> 1293 PhysicalIdentifier.High; 1294 temp64_var = (temp64_var << 32) | 1295 dpm_entry->PhysicalIdentifier.Low; 1296 if ((mt_entry->physical_id == 1297 temp64_var) && !missing_cnt) 1298 mt_entry->init_complete = 1; 1299 } else { 1300 dpm_idx = _mapping_get_free_dpm_idx(sc); 1301 mt_entry->init_complete = 0; 1302 } 1303 if (dpm_idx != MPS_DPM_BAD_IDX && 1304 !mt_entry->init_complete) { 1305 mt_entry->init_complete = 1; 1306 mt_entry->dpm_entry_num = dpm_idx; 1307 dpm_entry = (Mpi2DriverMap0Entry_t *) 1308 ((u8 *)sc->dpm_pg0 + hdr_sz); 1309 dpm_entry += dpm_idx; 1310 dpm_entry->PhysicalIdentifier.Low = 1311 (0xFFFFFFFF & 1312 mt_entry->physical_id); 1313 dpm_entry->PhysicalIdentifier.High = 1314 (mt_entry->physical_id >> 32); 1315 dpm_entry->DeviceIndex = (U16) map_idx; 1316 dpm_entry->MappingInformation = 0; 1317 dpm_entry->PhysicalBitsMapping = 0; 1318 sc->dpm_entry_used[dpm_idx] = 1; 1319 sc->dpm_flush_entry[dpm_idx] = 1; 1320 phy_change->is_processed = 1; 1321 } else if (dpm_idx == MPS_DPM_BAD_IDX) { 1322 phy_change->is_processed = 1; 1323 mps_dprint(sc, MPS_INFO, "%s: " 1324 "failed to add the device " 1325 "with handle 0x%04x to " 1326 "persistent table because " 1327 "there is no free space " 1328 "available\n", __func__, 1329 phy_change->dev_handle); 1330 } 1331 } 1332 mt_entry->init_complete = 1; 1333 } 1334 1335 phy_change->is_processed = 1; 1336 } 1337 if (is_removed) 1338 _mapping_clear_removed_entries(sc); 1339 } 1340 1341 /** 1342 * _mapping_flush_dpm_pages -Flush the DPM pages to NVRAM 1343 * @sc: per adapter object 1344 * 1345 * Returns nothing 1346 */ 1347 static void 1348 _mapping_flush_dpm_pages(struct mps_softc *sc) 1349 { 1350 Mpi2DriverMap0Entry_t *dpm_entry; 1351 Mpi2ConfigReply_t mpi_reply; 1352 Mpi2DriverMappingPage0_t config_page; 1353 u16 entry_num; 1354 1355 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) { 1356 if (!sc->dpm_flush_entry[entry_num]) 1357 continue; 1358 memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t)); 1359 memcpy(&config_page.Header, (u8 *)sc->dpm_pg0, 1360 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); 1361 dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 + 1362 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); 1363 dpm_entry += entry_num; 1364 dpm_entry->MappingInformation = htole16(dpm_entry-> 1365 MappingInformation); 1366 dpm_entry->DeviceIndex = htole16(dpm_entry->DeviceIndex); 1367 dpm_entry->PhysicalBitsMapping = htole32(dpm_entry-> 1368 PhysicalBitsMapping); 1369 memcpy(&config_page.Entry, (u8 *)dpm_entry, 1370 sizeof(Mpi2DriverMap0Entry_t)); 1371 /* TODO-How to handle failed writes? */ 1372 if (mps_config_set_dpm_pg0(sc, &mpi_reply, &config_page, 1373 entry_num)) { 1374 printf("%s: write of dpm entry %d for device failed\n", 1375 __func__, entry_num); 1376 } else 1377 sc->dpm_flush_entry[entry_num] = 0; 1378 dpm_entry->MappingInformation = le16toh(dpm_entry-> 1379 MappingInformation); 1380 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex); 1381 dpm_entry->PhysicalBitsMapping = le32toh(dpm_entry-> 1382 PhysicalBitsMapping); 1383 } 1384 } 1385 1386 /** 1387 * _mapping_allocate_memory- allocates the memory required for mapping tables 1388 * @sc: per adapter object 1389 * 1390 * Allocates the memory for all the tables required for host mapping 1391 * 1392 * Return 0 on success or non-zero on failure. 1393 */ 1394 int 1395 mps_mapping_allocate_memory(struct mps_softc *sc) 1396 { 1397 uint32_t dpm_pg0_sz; 1398 1399 sc->mapping_table = malloc((sizeof(struct dev_mapping_table) * 1400 sc->max_devices), M_MPT2, M_ZERO|M_NOWAIT); 1401 if (!sc->mapping_table) 1402 goto free_resources; 1403 1404 sc->removal_table = malloc((sizeof(struct map_removal_table) * 1405 sc->max_devices), M_MPT2, M_ZERO|M_NOWAIT); 1406 if (!sc->removal_table) 1407 goto free_resources; 1408 1409 sc->enclosure_table = malloc((sizeof(struct enc_mapping_table) * 1410 sc->max_enclosures), M_MPT2, M_ZERO|M_NOWAIT); 1411 if (!sc->enclosure_table) 1412 goto free_resources; 1413 1414 sc->dpm_entry_used = malloc((sizeof(u8) * sc->max_dpm_entries), 1415 M_MPT2, M_ZERO|M_NOWAIT); 1416 if (!sc->dpm_entry_used) 1417 goto free_resources; 1418 1419 sc->dpm_flush_entry = malloc((sizeof(u8) * sc->max_dpm_entries), 1420 M_MPT2, M_ZERO|M_NOWAIT); 1421 if (!sc->dpm_flush_entry) 1422 goto free_resources; 1423 1424 dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) + 1425 (sc->max_dpm_entries * sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY)); 1426 1427 sc->dpm_pg0 = malloc(dpm_pg0_sz, M_MPT2, M_ZERO|M_NOWAIT); 1428 if (!sc->dpm_pg0) { 1429 printf("%s: memory alloc failed for dpm page; disabling dpm\n", 1430 __func__); 1431 sc->is_dpm_enable = 0; 1432 } 1433 1434 return 0; 1435 1436 free_resources: 1437 free(sc->mapping_table, M_MPT2); 1438 free(sc->removal_table, M_MPT2); 1439 free(sc->enclosure_table, M_MPT2); 1440 free(sc->dpm_entry_used, M_MPT2); 1441 free(sc->dpm_flush_entry, M_MPT2); 1442 free(sc->dpm_pg0, M_MPT2); 1443 printf("%s: device initialization failed due to failure in mapping " 1444 "table memory allocation\n", __func__); 1445 return -1; 1446 } 1447 1448 /** 1449 * mps_mapping_free_memory- frees the memory allocated for mapping tables 1450 * @sc: per adapter object 1451 * 1452 * Returns nothing. 1453 */ 1454 void 1455 mps_mapping_free_memory(struct mps_softc *sc) 1456 { 1457 free(sc->mapping_table, M_MPT2); 1458 free(sc->removal_table, M_MPT2); 1459 free(sc->enclosure_table, M_MPT2); 1460 free(sc->dpm_entry_used, M_MPT2); 1461 free(sc->dpm_flush_entry, M_MPT2); 1462 free(sc->dpm_pg0, M_MPT2); 1463 } 1464 1465 1466 static void 1467 _mapping_process_dpm_pg0(struct mps_softc *sc) 1468 { 1469 u8 missing_cnt, enc_idx; 1470 u16 slot_id, entry_num, num_slots; 1471 u32 map_idx, dev_idx, start_idx, end_idx; 1472 struct dev_mapping_table *mt_entry; 1473 Mpi2DriverMap0Entry_t *dpm_entry; 1474 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1475 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs); 1476 struct enc_mapping_table *et_entry; 1477 u64 physical_id; 1478 u32 phy_bits = 0; 1479 1480 if (sc->ir_firmware) 1481 _mapping_get_ir_maprange(sc, &start_idx, &end_idx); 1482 1483 dpm_entry = (Mpi2DriverMap0Entry_t *) ((uint8_t *) sc->dpm_pg0 + 1484 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); 1485 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++, 1486 dpm_entry++) { 1487 physical_id = dpm_entry->PhysicalIdentifier.High; 1488 physical_id = (physical_id << 32) | 1489 dpm_entry->PhysicalIdentifier.Low; 1490 if (!physical_id) { 1491 sc->dpm_entry_used[entry_num] = 0; 1492 continue; 1493 } 1494 sc->dpm_entry_used[entry_num] = 1; 1495 dpm_entry->MappingInformation = le16toh(dpm_entry-> 1496 MappingInformation); 1497 missing_cnt = dpm_entry->MappingInformation & 1498 MPI2_DRVMAP0_MAPINFO_MISSING_MASK; 1499 dev_idx = le16toh(dpm_entry->DeviceIndex); 1500 phy_bits = le32toh(dpm_entry->PhysicalBitsMapping); 1501 if (sc->ir_firmware && (dev_idx >= start_idx) && 1502 (dev_idx <= end_idx)) { 1503 mt_entry = &sc->mapping_table[dev_idx]; 1504 mt_entry->physical_id = dpm_entry->PhysicalIdentifier.High; 1505 mt_entry->physical_id = (mt_entry->physical_id << 32) | 1506 dpm_entry->PhysicalIdentifier.Low; 1507 mt_entry->channel = MPS_RAID_CHANNEL; 1508 mt_entry->id = dev_idx; 1509 mt_entry->missing_count = missing_cnt; 1510 mt_entry->dpm_entry_num = entry_num; 1511 mt_entry->device_info = MPS_DEV_RESERVED; 1512 continue; 1513 } 1514 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 1515 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) { 1516 if (dev_idx < (sc->num_rsvd_entries + 1517 max_num_phy_ids)) { 1518 slot_id = 0; 1519 if (ioc_pg8_flags & 1520 MPI2_IOCPAGE8_FLAGS_DA_START_SLOT_1) 1521 slot_id = 1; 1522 num_slots = max_num_phy_ids; 1523 } else { 1524 slot_id = 0; 1525 num_slots = dpm_entry->MappingInformation & 1526 MPI2_DRVMAP0_MAPINFO_SLOT_MASK; 1527 num_slots >>= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT; 1528 } 1529 enc_idx = sc->num_enc_table_entries; 1530 if (enc_idx >= sc->max_enclosures) { 1531 printf("%s: enclosure entries exceed max " 1532 "enclosures of %d\n", __func__, 1533 sc->max_enclosures); 1534 break; 1535 } 1536 sc->num_enc_table_entries++; 1537 et_entry = &sc->enclosure_table[enc_idx]; 1538 physical_id = dpm_entry->PhysicalIdentifier.High; 1539 et_entry->enclosure_id = (physical_id << 32) | 1540 dpm_entry->PhysicalIdentifier.Low; 1541 et_entry->start_index = dev_idx; 1542 et_entry->dpm_entry_num = entry_num; 1543 et_entry->num_slots = num_slots; 1544 et_entry->start_slot = slot_id; 1545 et_entry->missing_count = missing_cnt; 1546 et_entry->phy_bits = phy_bits; 1547 1548 mt_entry = &sc->mapping_table[dev_idx]; 1549 for (map_idx = dev_idx; map_idx < (dev_idx + num_slots); 1550 map_idx++, mt_entry++) { 1551 if (mt_entry->dpm_entry_num != 1552 MPS_DPM_BAD_IDX) { 1553 printf("%s: conflict in mapping table " 1554 "for enclosure %d\n", __func__, 1555 enc_idx); 1556 break; 1557 } 1558 physical_id = dpm_entry->PhysicalIdentifier.High; 1559 mt_entry->physical_id = (physical_id << 32) | 1560 dpm_entry->PhysicalIdentifier.Low; 1561 mt_entry->phy_bits = phy_bits; 1562 mt_entry->channel = 0; 1563 mt_entry->id = dev_idx; 1564 mt_entry->dpm_entry_num = entry_num; 1565 mt_entry->missing_count = missing_cnt; 1566 mt_entry->device_info = MPS_DEV_RESERVED; 1567 } 1568 } else if ((ioc_pg8_flags & 1569 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 1570 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) { 1571 map_idx = dev_idx; 1572 mt_entry = &sc->mapping_table[map_idx]; 1573 if (mt_entry->dpm_entry_num != MPS_DPM_BAD_IDX) { 1574 printf("%s: conflict in mapping table for " 1575 "device %d\n", __func__, map_idx); 1576 break; 1577 } 1578 physical_id = dpm_entry->PhysicalIdentifier.High; 1579 mt_entry->physical_id = (physical_id << 32) | 1580 dpm_entry->PhysicalIdentifier.Low; 1581 mt_entry->phy_bits = phy_bits; 1582 mt_entry->channel = 0; 1583 mt_entry->id = dev_idx; 1584 mt_entry->missing_count = missing_cnt; 1585 mt_entry->dpm_entry_num = entry_num; 1586 mt_entry->device_info = MPS_DEV_RESERVED; 1587 } 1588 } /*close the loop for DPM table */ 1589 } 1590 1591 /* 1592 * mps_mapping_check_devices - start of the day check for device availabilty 1593 * @sc: per adapter object 1594 * @sleep_flag: Flag indicating whether this function can sleep or not 1595 * 1596 * Returns nothing. 1597 */ 1598 void 1599 mps_mapping_check_devices(struct mps_softc *sc, int sleep_flag) 1600 { 1601 u32 i; 1602 /* u32 cntdn, i; 1603 u32 timeout = 60;*/ 1604 struct dev_mapping_table *mt_entry; 1605 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1606 struct enc_mapping_table *et_entry; 1607 u32 start_idx, end_idx; 1608 1609 /* We need to ucomment this when this function is called 1610 * from the port enable complete */ 1611 #if 0 1612 sc->track_mapping_events = 0; 1613 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; 1614 do { 1615 if (!sc->pending_map_events) 1616 break; 1617 if (sleep_flag == CAN_SLEEP) 1618 pause("mps_pause", (hz/1000));/* 1msec sleep */ 1619 else 1620 DELAY(500); /* 500 useconds delay */ 1621 } while (--cntdn); 1622 1623 1624 if (!cntdn) 1625 printf("%s: there are %d" 1626 " pending events after %d seconds of delay\n", 1627 __func__, sc->pending_map_events, timeout); 1628 #endif 1629 sc->pending_map_events = 0; 1630 1631 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 1632 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) { 1633 et_entry = sc->enclosure_table; 1634 for (i = 0; i < sc->num_enc_table_entries; i++, et_entry++) { 1635 if (!et_entry->init_complete) { 1636 if (et_entry->missing_count < 1637 MPS_MAX_MISSING_COUNT) { 1638 et_entry->missing_count++; 1639 if (et_entry->dpm_entry_num != 1640 MPS_DPM_BAD_IDX) 1641 _mapping_commit_enc_entry(sc, 1642 et_entry); 1643 } 1644 et_entry->init_complete = 1; 1645 } 1646 } 1647 if (!sc->ir_firmware) 1648 return; 1649 _mapping_get_ir_maprange(sc, &start_idx, &end_idx); 1650 mt_entry = &sc->mapping_table[start_idx]; 1651 for (i = start_idx; i < (end_idx + 1); i++, mt_entry++) { 1652 if (mt_entry->device_info & MPS_DEV_RESERVED 1653 && !mt_entry->physical_id) 1654 mt_entry->init_complete = 1; 1655 else if (mt_entry->device_info & MPS_DEV_RESERVED) { 1656 if (!mt_entry->init_complete) { 1657 if (mt_entry->missing_count < 1658 MPS_MAX_MISSING_COUNT) { 1659 mt_entry->missing_count++; 1660 if (mt_entry->dpm_entry_num != 1661 MPS_DPM_BAD_IDX) 1662 _mapping_commit_map_entry(sc, 1663 mt_entry); 1664 } 1665 mt_entry->init_complete = 1; 1666 } 1667 } 1668 } 1669 } else if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 1670 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) { 1671 mt_entry = sc->mapping_table; 1672 for (i = 0; i < sc->max_devices; i++, mt_entry++) { 1673 if (mt_entry->device_info & MPS_DEV_RESERVED 1674 && !mt_entry->physical_id) 1675 mt_entry->init_complete = 1; 1676 else if (mt_entry->device_info & MPS_DEV_RESERVED) { 1677 if (!mt_entry->init_complete) { 1678 if (mt_entry->missing_count < 1679 MPS_MAX_MISSING_COUNT) { 1680 mt_entry->missing_count++; 1681 if (mt_entry->dpm_entry_num != 1682 MPS_DPM_BAD_IDX) 1683 _mapping_commit_map_entry(sc, 1684 mt_entry); 1685 } 1686 mt_entry->init_complete = 1; 1687 } 1688 } 1689 } 1690 } 1691 } 1692 1693 1694 /** 1695 * mps_mapping_is_reinit_required - check whether event replay required 1696 * @sc: per adapter object 1697 * 1698 * Checks the per ioc flags and decide whether reinit of events required 1699 * 1700 * Returns 1 for reinit of ioc 0 for not. 1701 */ 1702 int mps_mapping_is_reinit_required(struct mps_softc *sc) 1703 { 1704 if (!sc->mt_full_retry && sc->mt_add_device_failed) { 1705 sc->mt_full_retry = 1; 1706 sc->mt_add_device_failed = 0; 1707 _mapping_flush_dpm_pages(sc); 1708 return 1; 1709 } 1710 sc->mt_full_retry = 1; 1711 return 0; 1712 } 1713 1714 /** 1715 * mps_mapping_initialize - initialize mapping tables 1716 * @sc: per adapter object 1717 * 1718 * Read controller persitant mapping tables into internal data area. 1719 * 1720 * Return 0 for success or non-zero for failure. 1721 */ 1722 int 1723 mps_mapping_initialize(struct mps_softc *sc) 1724 { 1725 uint16_t volume_mapping_flags, dpm_pg0_sz; 1726 uint32_t i; 1727 Mpi2ConfigReply_t mpi_reply; 1728 int error; 1729 uint8_t retry_count; 1730 uint16_t ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1731 1732 /* The additional 1 accounts for the virtual enclosure 1733 * created for the controller 1734 */ 1735 sc->max_enclosures = sc->facts->MaxEnclosures + 1; 1736 sc->max_expanders = sc->facts->MaxSasExpanders; 1737 sc->max_volumes = sc->facts->MaxVolumes; 1738 sc->max_devices = sc->facts->MaxTargets + sc->max_volumes; 1739 sc->pending_map_events = 0; 1740 sc->num_enc_table_entries = 0; 1741 sc->num_rsvd_entries = 0; 1742 sc->num_channels = 1; 1743 sc->max_dpm_entries = sc->ioc_pg8.MaxPersistentEntries; 1744 sc->is_dpm_enable = (sc->max_dpm_entries) ? 1 : 0; 1745 sc->track_mapping_events = 0; 1746 1747 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_DISABLE_PERSISTENT_MAPPING) 1748 sc->is_dpm_enable = 0; 1749 1750 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0) 1751 sc->num_rsvd_entries = 1; 1752 1753 volume_mapping_flags = sc->ioc_pg8.IRVolumeMappingFlags & 1754 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; 1755 if (sc->ir_firmware && (volume_mapping_flags == 1756 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING)) 1757 sc->num_rsvd_entries += sc->max_volumes; 1758 1759 error = mps_mapping_allocate_memory(sc); 1760 if (error) 1761 return (error); 1762 1763 for (i = 0; i < sc->max_devices; i++) 1764 _mapping_clear_map_entry(sc->mapping_table + i); 1765 1766 for (i = 0; i < sc->max_enclosures; i++) 1767 _mapping_clear_enc_entry(sc->enclosure_table + i); 1768 1769 for (i = 0; i < sc->max_devices; i++) { 1770 sc->removal_table[i].dev_handle = 0; 1771 sc->removal_table[i].dpm_entry_num = MPS_DPM_BAD_IDX; 1772 } 1773 1774 memset(sc->dpm_entry_used, 0, sc->max_dpm_entries); 1775 memset(sc->dpm_flush_entry, 0, sc->max_dpm_entries); 1776 1777 if (sc->is_dpm_enable) { 1778 dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) + 1779 (sc->max_dpm_entries * 1780 sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY)); 1781 retry_count = 0; 1782 1783 retry_read_dpm: 1784 if (mps_config_get_dpm_pg0(sc, &mpi_reply, sc->dpm_pg0, 1785 dpm_pg0_sz)) { 1786 printf("%s: dpm page read failed; disabling dpm\n", 1787 __func__); 1788 if (retry_count < 3) { 1789 retry_count++; 1790 goto retry_read_dpm; 1791 } 1792 sc->is_dpm_enable = 0; 1793 } 1794 } 1795 1796 if (sc->is_dpm_enable) 1797 _mapping_process_dpm_pg0(sc); 1798 1799 sc->track_mapping_events = 1; 1800 return 0; 1801 } 1802 1803 /** 1804 * mps_mapping_exit - clear mapping table and associated memory 1805 * @sc: per adapter object 1806 * 1807 * Returns nothing. 1808 */ 1809 void 1810 mps_mapping_exit(struct mps_softc *sc) 1811 { 1812 _mapping_flush_dpm_pages(sc); 1813 mps_mapping_free_memory(sc); 1814 } 1815 1816 /** 1817 * mps_mapping_get_sas_id - assign a target id for sas device 1818 * @sc: per adapter object 1819 * @sas_address: sas address of the device 1820 * @handle: device handle 1821 * 1822 * Returns valid ID on success or BAD_ID. 1823 */ 1824 unsigned int 1825 mps_mapping_get_sas_id(struct mps_softc *sc, uint64_t sas_address, u16 handle) 1826 { 1827 u32 map_idx; 1828 struct dev_mapping_table *mt_entry; 1829 1830 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) { 1831 mt_entry = &sc->mapping_table[map_idx]; 1832 if (mt_entry->dev_handle == handle && mt_entry->physical_id == 1833 sas_address) 1834 return mt_entry->id; 1835 } 1836 1837 return MPS_MAP_BAD_ID; 1838 } 1839 1840 /** 1841 * mps_mapping_get_sas_id_from_handle - find a target id in mapping table using 1842 * only the dev handle. This is just a wrapper function for the local function 1843 * _mapping_get_mt_idx_from_handle. 1844 * @sc: per adapter object 1845 * @handle: device handle 1846 * 1847 * Returns valid ID on success or BAD_ID. 1848 */ 1849 unsigned int 1850 mps_mapping_get_sas_id_from_handle(struct mps_softc *sc, u16 handle) 1851 { 1852 return (_mapping_get_mt_idx_from_handle(sc, handle)); 1853 } 1854 1855 /** 1856 * mps_mapping_get_raid_id - assign a target id for raid device 1857 * @sc: per adapter object 1858 * @wwid: world wide identifier for raid volume 1859 * @handle: device handle 1860 * 1861 * Returns valid ID on success or BAD_ID. 1862 */ 1863 unsigned int 1864 mps_mapping_get_raid_id(struct mps_softc *sc, u64 wwid, u16 handle) 1865 { 1866 u32 map_idx; 1867 struct dev_mapping_table *mt_entry; 1868 1869 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) { 1870 mt_entry = &sc->mapping_table[map_idx]; 1871 if (mt_entry->dev_handle == handle && mt_entry->physical_id == 1872 wwid) 1873 return mt_entry->id; 1874 } 1875 1876 return MPS_MAP_BAD_ID; 1877 } 1878 1879 /** 1880 * mps_mapping_get_raid_id_from_handle - find raid device in mapping table 1881 * using only the volume dev handle. This is just a wrapper function for the 1882 * local function _mapping_get_ir_mt_idx_from_handle. 1883 * @sc: per adapter object 1884 * @volHandle: volume device handle 1885 * 1886 * Returns valid ID on success or BAD_ID. 1887 */ 1888 unsigned int 1889 mps_mapping_get_raid_id_from_handle(struct mps_softc *sc, u16 volHandle) 1890 { 1891 return (_mapping_get_ir_mt_idx_from_handle(sc, volHandle)); 1892 } 1893 1894 /** 1895 * mps_mapping_enclosure_dev_status_change_event - handle enclosure events 1896 * @sc: per adapter object 1897 * @event_data: event data payload 1898 * 1899 * Return nothing. 1900 */ 1901 void 1902 mps_mapping_enclosure_dev_status_change_event(struct mps_softc *sc, 1903 Mpi2EventDataSasEnclDevStatusChange_t *event_data) 1904 { 1905 u8 enc_idx, missing_count; 1906 struct enc_mapping_table *et_entry; 1907 Mpi2DriverMap0Entry_t *dpm_entry; 1908 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1909 u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT; 1910 u8 update_phy_bits = 0; 1911 u32 saved_phy_bits; 1912 uint64_t temp64_var; 1913 1914 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) != 1915 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) 1916 goto out; 1917 1918 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 + 1919 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); 1920 1921 if (event_data->ReasonCode == MPI2_EVENT_SAS_ENCL_RC_ADDED) { 1922 if (!event_data->NumSlots) { 1923 printf("%s: enclosure with handle = 0x%x reported 0 " 1924 "slots\n", __func__, 1925 le16toh(event_data->EnclosureHandle)); 1926 goto out; 1927 } 1928 temp64_var = event_data->EnclosureLogicalID.High; 1929 temp64_var = (temp64_var << 32) | 1930 event_data->EnclosureLogicalID.Low; 1931 enc_idx = _mapping_get_enc_idx_from_id(sc, temp64_var, 1932 event_data->PhyBits); 1933 if (enc_idx != MPS_ENCTABLE_BAD_IDX) { 1934 et_entry = &sc->enclosure_table[enc_idx]; 1935 if (et_entry->init_complete && 1936 !et_entry->missing_count) { 1937 printf("%s: enclosure %d is already present " 1938 "with handle = 0x%x\n",__func__, enc_idx, 1939 et_entry->enc_handle); 1940 goto out; 1941 } 1942 et_entry->enc_handle = le16toh(event_data-> 1943 EnclosureHandle); 1944 et_entry->start_slot = le16toh(event_data->StartSlot); 1945 saved_phy_bits = et_entry->phy_bits; 1946 et_entry->phy_bits |= le32toh(event_data->PhyBits); 1947 if (saved_phy_bits != et_entry->phy_bits) 1948 update_phy_bits = 1; 1949 if (et_entry->missing_count || update_phy_bits) { 1950 et_entry->missing_count = 0; 1951 if (sc->is_dpm_enable && 1952 et_entry->dpm_entry_num != 1953 MPS_DPM_BAD_IDX) { 1954 dpm_entry += et_entry->dpm_entry_num; 1955 missing_count = 1956 (u8)(dpm_entry->MappingInformation & 1957 MPI2_DRVMAP0_MAPINFO_MISSING_MASK); 1958 if (!et_entry->init_complete && ( 1959 missing_count || update_phy_bits)) { 1960 dpm_entry->MappingInformation 1961 = et_entry->num_slots; 1962 dpm_entry->MappingInformation 1963 <<= map_shift; 1964 dpm_entry->PhysicalBitsMapping 1965 = et_entry->phy_bits; 1966 sc->dpm_flush_entry[et_entry-> 1967 dpm_entry_num] = 1; 1968 } 1969 } 1970 } 1971 } else { 1972 enc_idx = sc->num_enc_table_entries; 1973 if (enc_idx >= sc->max_enclosures) { 1974 printf("%s: enclosure can not be added; " 1975 "mapping table is full\n", __func__); 1976 goto out; 1977 } 1978 sc->num_enc_table_entries++; 1979 et_entry = &sc->enclosure_table[enc_idx]; 1980 et_entry->enc_handle = le16toh(event_data-> 1981 EnclosureHandle); 1982 et_entry->enclosure_id = event_data-> 1983 EnclosureLogicalID.High; 1984 et_entry->enclosure_id = ( et_entry->enclosure_id << 1985 32) | event_data->EnclosureLogicalID.Low; 1986 et_entry->start_index = MPS_MAPTABLE_BAD_IDX; 1987 et_entry->dpm_entry_num = MPS_DPM_BAD_IDX; 1988 et_entry->num_slots = le16toh(event_data->NumSlots); 1989 et_entry->start_slot = le16toh(event_data->StartSlot); 1990 et_entry->phy_bits = le32toh(event_data->PhyBits); 1991 } 1992 et_entry->init_complete = 1; 1993 } else if (event_data->ReasonCode == 1994 MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING) { 1995 enc_idx = _mapping_get_enc_idx_from_handle(sc, 1996 le16toh(event_data->EnclosureHandle)); 1997 if (enc_idx == MPS_ENCTABLE_BAD_IDX) { 1998 printf("%s: cannot unmap enclosure %d because it has " 1999 "already been deleted", __func__, enc_idx); 2000 goto out; 2001 } 2002 et_entry = &sc->enclosure_table[enc_idx]; 2003 if (!et_entry->init_complete) { 2004 if (et_entry->missing_count < MPS_MAX_MISSING_COUNT) 2005 et_entry->missing_count++; 2006 else 2007 et_entry->init_complete = 1; 2008 } 2009 if (!et_entry->missing_count) 2010 et_entry->missing_count++; 2011 if (sc->is_dpm_enable && !et_entry->init_complete && 2012 et_entry->dpm_entry_num != MPS_DPM_BAD_IDX) { 2013 dpm_entry += et_entry->dpm_entry_num; 2014 dpm_entry->MappingInformation = et_entry->num_slots; 2015 dpm_entry->MappingInformation <<= map_shift; 2016 dpm_entry->MappingInformation |= 2017 et_entry->missing_count; 2018 sc->dpm_flush_entry[et_entry->dpm_entry_num] = 1; 2019 } 2020 et_entry->init_complete = 1; 2021 } 2022 2023 out: 2024 _mapping_flush_dpm_pages(sc); 2025 if (sc->pending_map_events) 2026 sc->pending_map_events--; 2027 } 2028 2029 /** 2030 * mps_mapping_topology_change_event - handle topology change events 2031 * @sc: per adapter object 2032 * @event_data: event data payload 2033 * 2034 * Returns nothing. 2035 */ 2036 void 2037 mps_mapping_topology_change_event(struct mps_softc *sc, 2038 Mpi2EventDataSasTopologyChangeList_t *event_data) 2039 { 2040 struct _map_topology_change topo_change; 2041 struct _map_phy_change *phy_change; 2042 Mpi2EventSasTopoPhyEntry_t *event_phy_change; 2043 u8 i, num_entries; 2044 2045 topo_change.enc_handle = le16toh(event_data->EnclosureHandle); 2046 topo_change.exp_handle = le16toh(event_data->ExpanderDevHandle); 2047 num_entries = event_data->NumEntries; 2048 topo_change.num_entries = num_entries; 2049 topo_change.start_phy_num = event_data->StartPhyNum; 2050 topo_change.num_phys = event_data->NumPhys; 2051 topo_change.exp_status = event_data->ExpStatus; 2052 event_phy_change = event_data->PHY; 2053 topo_change.phy_details = NULL; 2054 2055 if (!num_entries) 2056 goto out; 2057 phy_change = malloc(sizeof(struct _map_phy_change) * num_entries, 2058 M_MPT2, M_NOWAIT|M_ZERO); 2059 topo_change.phy_details = phy_change; 2060 if (!phy_change) 2061 goto out; 2062 for (i = 0; i < num_entries; i++, event_phy_change++, phy_change++) { 2063 phy_change->dev_handle = le16toh(event_phy_change-> 2064 AttachedDevHandle); 2065 phy_change->reason = event_phy_change->PhyStatus & 2066 MPI2_EVENT_SAS_TOPO_RC_MASK; 2067 } 2068 _mapping_update_missing_count(sc, &topo_change); 2069 _mapping_get_dev_info(sc, &topo_change); 2070 _mapping_clear_removed_entries(sc); 2071 _mapping_add_new_device(sc, &topo_change); 2072 2073 out: 2074 free(topo_change.phy_details, M_MPT2); 2075 _mapping_flush_dpm_pages(sc); 2076 if (sc->pending_map_events) 2077 sc->pending_map_events--; 2078 } 2079 2080 /** 2081 * _mapping_check_update_ir_mt_idx - Check and update IR map table index 2082 * @sc: per adapter object 2083 * @event_data: event data payload 2084 * @evt_idx: current event index 2085 * @map_idx: current index and the place holder for new map table index 2086 * @wwid_table: world wide name for volumes in the element table 2087 * 2088 * pass through IR events and find whether any events matches and if so 2089 * tries to find new index if not returns failure 2090 * 2091 * Returns 0 on success and 1 on failure 2092 */ 2093 static int 2094 _mapping_check_update_ir_mt_idx(struct mps_softc *sc, 2095 Mpi2EventDataIrConfigChangeList_t *event_data, int evt_idx, u32 *map_idx, 2096 u64 *wwid_table) 2097 { 2098 struct dev_mapping_table *mt_entry; 2099 u32 st_idx, end_idx, mt_idx = *map_idx; 2100 u8 match = 0; 2101 Mpi2EventIrConfigElement_t *element; 2102 u16 element_flags; 2103 int i; 2104 2105 mt_entry = &sc->mapping_table[mt_idx]; 2106 _mapping_get_ir_maprange(sc, &st_idx, &end_idx); 2107 search_again: 2108 match = 0; 2109 for (i = evt_idx + 1; i < event_data->NumElements; i++) { 2110 element = (Mpi2EventIrConfigElement_t *) 2111 &event_data->ConfigElement[i]; 2112 element_flags = le16toh(element->ElementFlags); 2113 if ((element_flags & 2114 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK) != 2115 MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT) 2116 continue; 2117 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_ADDED || 2118 element->ReasonCode == 2119 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) { 2120 if (mt_entry->physical_id == wwid_table[i]) { 2121 match = 1; 2122 break; 2123 } 2124 } 2125 } 2126 2127 if (match) { 2128 do { 2129 mt_idx++; 2130 if (mt_idx > end_idx) 2131 return 1; 2132 mt_entry = &sc->mapping_table[mt_idx]; 2133 } while (mt_entry->device_info & MPS_MAP_IN_USE); 2134 goto search_again; 2135 } 2136 *map_idx = mt_idx; 2137 return 0; 2138 } 2139 2140 /** 2141 * mps_mapping_ir_config_change_event - handle IR config change list events 2142 * @sc: per adapter object 2143 * @event_data: event data payload 2144 * 2145 * Returns nothing. 2146 */ 2147 void 2148 mps_mapping_ir_config_change_event(struct mps_softc *sc, 2149 Mpi2EventDataIrConfigChangeList_t *event_data) 2150 { 2151 Mpi2EventIrConfigElement_t *element; 2152 int i; 2153 u64 *wwid_table; 2154 u32 map_idx, flags; 2155 struct dev_mapping_table *mt_entry; 2156 u16 element_flags; 2157 u8 log_full_error = 0; 2158 2159 wwid_table = malloc(sizeof(u64) * event_data->NumElements, M_MPT2, 2160 M_NOWAIT | M_ZERO); 2161 if (!wwid_table) 2162 goto out; 2163 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; 2164 flags = le32toh(event_data->Flags); 2165 for (i = 0; i < event_data->NumElements; i++, element++) { 2166 element_flags = le16toh(element->ElementFlags); 2167 if ((element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_ADDED) && 2168 (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_REMOVED) && 2169 (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE) 2170 && (element->ReasonCode != 2171 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED)) 2172 continue; 2173 if ((element_flags & 2174 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK) == 2175 MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT) { 2176 mps_config_get_volume_wwid(sc, 2177 le16toh(element->VolDevHandle), &wwid_table[i]); 2178 map_idx = _mapping_get_ir_mt_idx_from_wwid(sc, 2179 wwid_table[i]); 2180 if (map_idx != MPS_MAPTABLE_BAD_IDX) { 2181 mt_entry = &sc->mapping_table[map_idx]; 2182 mt_entry->device_info |= MPS_MAP_IN_USE; 2183 } 2184 } 2185 } 2186 if (flags == MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) 2187 goto out; 2188 else { 2189 element = (Mpi2EventIrConfigElement_t *)&event_data-> 2190 ConfigElement[0]; 2191 for (i = 0; i < event_data->NumElements; i++, element++) { 2192 if (element->ReasonCode == 2193 MPI2_EVENT_IR_CHANGE_RC_ADDED || 2194 element->ReasonCode == 2195 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) { 2196 map_idx = _mapping_get_ir_mt_idx_from_wwid 2197 (sc, wwid_table[i]); 2198 if (map_idx != MPS_MAPTABLE_BAD_IDX) { 2199 mt_entry = &sc->mapping_table[map_idx]; 2200 mt_entry->channel = MPS_RAID_CHANNEL; 2201 mt_entry->id = map_idx; 2202 mt_entry->dev_handle = le16toh 2203 (element->VolDevHandle); 2204 mt_entry->device_info = 2205 MPS_DEV_RESERVED | MPS_MAP_IN_USE; 2206 _mapping_update_ir_missing_cnt(sc, 2207 map_idx, element, wwid_table[i]); 2208 continue; 2209 } 2210 map_idx = _mapping_get_free_ir_mt_idx(sc); 2211 if (map_idx == MPS_MAPTABLE_BAD_IDX) 2212 log_full_error = 1; 2213 else if (i < (event_data->NumElements - 1)) { 2214 log_full_error = 2215 _mapping_check_update_ir_mt_idx 2216 (sc, event_data, i, &map_idx, 2217 wwid_table); 2218 } 2219 if (log_full_error) { 2220 printf("%s: no space to add the RAID " 2221 "volume with handle 0x%04x in " 2222 "mapping table\n", __func__, le16toh 2223 (element->VolDevHandle)); 2224 continue; 2225 } 2226 mt_entry = &sc->mapping_table[map_idx]; 2227 mt_entry->physical_id = wwid_table[i]; 2228 mt_entry->channel = MPS_RAID_CHANNEL; 2229 mt_entry->id = map_idx; 2230 mt_entry->dev_handle = le16toh(element-> 2231 VolDevHandle); 2232 mt_entry->device_info = MPS_DEV_RESERVED | 2233 MPS_MAP_IN_USE; 2234 mt_entry->init_complete = 0; 2235 _mapping_update_ir_missing_cnt(sc, map_idx, 2236 element, wwid_table[i]); 2237 } else if (element->ReasonCode == 2238 MPI2_EVENT_IR_CHANGE_RC_REMOVED) { 2239 map_idx = _mapping_get_ir_mt_idx_from_wwid(sc, 2240 wwid_table[i]); 2241 if (map_idx == MPS_MAPTABLE_BAD_IDX) { 2242 printf("%s: failed to remove a volume " 2243 "because it has already been " 2244 "removed\n", __func__); 2245 continue; 2246 } 2247 _mapping_update_ir_missing_cnt(sc, map_idx, 2248 element, wwid_table[i]); 2249 } else if (element->ReasonCode == 2250 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED) { 2251 map_idx = _mapping_get_mt_idx_from_handle(sc, 2252 le16toh(element->VolDevHandle)); 2253 if (map_idx == MPS_MAPTABLE_BAD_IDX) { 2254 printf("%s: failed to remove volume " 2255 "with handle 0x%04x because it has " 2256 "already been removed\n", __func__, 2257 le16toh(element->VolDevHandle)); 2258 continue; 2259 } 2260 mt_entry = &sc->mapping_table[map_idx]; 2261 _mapping_update_ir_missing_cnt(sc, map_idx, 2262 element, mt_entry->physical_id); 2263 } 2264 } 2265 } 2266 2267 out: 2268 _mapping_flush_dpm_pages(sc); 2269 free(wwid_table, M_MPT2); 2270 if (sc->pending_map_events) 2271 sc->pending_map_events--; 2272 } 2273