1 /*- 2 * Copyright (c) 2011-2014 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 mprvar */ 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/mpr/mpi/mpi2_type.h> 50 #include <dev/mpr/mpi/mpi2.h> 51 #include <dev/mpr/mpi/mpi2_ioc.h> 52 #include <dev/mpr/mpi/mpi2_sas.h> 53 #include <dev/mpr/mpi/mpi2_cnfg.h> 54 #include <dev/mpr/mpi/mpi2_init.h> 55 #include <dev/mpr/mpi/mpi2_tool.h> 56 #include <dev/mpr/mpr_ioctl.h> 57 #include <dev/mpr/mprvar.h> 58 #include <dev/mpr/mpr_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 = MPR_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 = MPR_MAPTABLE_BAD_IDX; 92 enc_entry->phy_bits = 0; 93 enc_entry->dpm_entry_num = MPR_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 mpr_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 (mpr_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 mpr_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 (mpr_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 mpr_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 mpr_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 MPR_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 mpr_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 MPR_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 mpr_softc *sc) 299 { 300 struct enc_mapping_table *et_entry; 301 u8 high_missing_count = 0; 302 u8 enc_idx, high_idx = MPR_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 mpr_softc *sc) 326 { 327 u32 map_idx, high_idx = MPR_ENCTABLE_BAD_IDX; 328 u8 high_missing_count = 0; 329 u32 start_idx, end_idx, start_idx_ir = 0, 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 end_idx = sc->max_devices; 335 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0) 336 start_idx = 1; 337 if (sc->ir_firmware) { 338 _mapping_get_ir_maprange(sc, &start_idx_ir, &end_idx_ir); 339 if (start_idx == start_idx_ir) 340 start_idx = end_idx_ir + 1; 341 else 342 end_idx = start_idx_ir; 343 } 344 mt_entry = &sc->mapping_table[start_idx]; 345 for (map_idx = start_idx; map_idx < end_idx; map_idx++, mt_entry++) { 346 if (mt_entry->missing_count > high_missing_count) { 347 high_missing_count = mt_entry->missing_count; 348 high_idx = map_idx; 349 } 350 } 351 return high_idx; 352 } 353 354 /** 355 * _mapping_get_ir_mt_idx_from_wwid - get map table index from volume WWID 356 * @sc: per adapter object 357 * @wwid: world wide unique ID of the volume 358 * 359 * Returns the index of map table entry on success or bad index. 360 */ 361 static u32 362 _mapping_get_ir_mt_idx_from_wwid(struct mpr_softc *sc, u64 wwid) 363 { 364 u32 start_idx, end_idx, map_idx; 365 struct dev_mapping_table *mt_entry; 366 367 _mapping_get_ir_maprange(sc, &start_idx, &end_idx); 368 mt_entry = &sc->mapping_table[start_idx]; 369 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) 370 if (mt_entry->physical_id == wwid) 371 return map_idx; 372 373 return MPR_MAPTABLE_BAD_IDX; 374 } 375 376 /** 377 * _mapping_get_mt_idx_from_id - get map table index from a device ID 378 * @sc: per adapter object 379 * @dev_id: device identifer (SAS Address) 380 * 381 * Returns the index of map table entry on success or bad index. 382 */ 383 static u32 384 _mapping_get_mt_idx_from_id(struct mpr_softc *sc, u64 dev_id) 385 { 386 u32 map_idx; 387 struct dev_mapping_table *mt_entry; 388 389 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) { 390 mt_entry = &sc->mapping_table[map_idx]; 391 if (mt_entry->physical_id == dev_id) 392 return map_idx; 393 } 394 return MPR_MAPTABLE_BAD_IDX; 395 } 396 397 /** 398 * _mapping_get_ir_mt_idx_from_handle - get map table index from volume handle 399 * @sc: per adapter object 400 * @wwid: volume device handle 401 * 402 * Returns the index of map table entry on success or bad index. 403 */ 404 static u32 405 _mapping_get_ir_mt_idx_from_handle(struct mpr_softc *sc, u16 volHandle) 406 { 407 u32 start_idx, end_idx, map_idx; 408 struct dev_mapping_table *mt_entry; 409 410 _mapping_get_ir_maprange(sc, &start_idx, &end_idx); 411 mt_entry = &sc->mapping_table[start_idx]; 412 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) 413 if (mt_entry->dev_handle == volHandle) 414 return map_idx; 415 416 return MPR_MAPTABLE_BAD_IDX; 417 } 418 419 /** 420 * _mapping_get_mt_idx_from_handle - get map table index from handle 421 * @sc: per adapter object 422 * @dev_id: device handle 423 * 424 * Returns the index of map table entry on success or bad index. 425 */ 426 static u32 427 _mapping_get_mt_idx_from_handle(struct mpr_softc *sc, u16 handle) 428 { 429 u32 map_idx; 430 struct dev_mapping_table *mt_entry; 431 432 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) { 433 mt_entry = &sc->mapping_table[map_idx]; 434 if (mt_entry->dev_handle == handle) 435 return map_idx; 436 } 437 return MPR_MAPTABLE_BAD_IDX; 438 } 439 440 /** 441 * _mapping_get_free_ir_mt_idx - get first free index for a volume 442 * @sc: per adapter object 443 * 444 * Search through mapping table for free index for a volume and if no free 445 * index then looks for a volume with high mapping index 446 * 447 * Returns the index of map table entry on success or bad index. 448 */ 449 static u32 450 _mapping_get_free_ir_mt_idx(struct mpr_softc *sc) 451 { 452 u8 high_missing_count = 0; 453 u32 start_idx, end_idx, map_idx; 454 u32 high_idx = MPR_MAPTABLE_BAD_IDX; 455 struct dev_mapping_table *mt_entry; 456 457 _mapping_get_ir_maprange(sc, &start_idx, &end_idx); 458 459 mt_entry = &sc->mapping_table[start_idx]; 460 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) 461 if (!(mt_entry->device_info & MPR_MAP_IN_USE)) 462 return map_idx; 463 464 mt_entry = &sc->mapping_table[start_idx]; 465 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) { 466 if (mt_entry->missing_count > high_missing_count) { 467 high_missing_count = mt_entry->missing_count; 468 high_idx = map_idx; 469 } 470 } 471 return high_idx; 472 } 473 474 /** 475 * _mapping_get_free_mt_idx - get first free index for a device 476 * @sc: per adapter object 477 * @start_idx: offset in the table to start search 478 * 479 * Returns the index of map table entry on success or bad index. 480 */ 481 static u32 482 _mapping_get_free_mt_idx(struct mpr_softc *sc, u32 start_idx) 483 { 484 u32 map_idx, max_idx = sc->max_devices; 485 struct dev_mapping_table *mt_entry = &sc->mapping_table[start_idx]; 486 u16 volume_mapping_flags; 487 488 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) & 489 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; 490 if (sc->ir_firmware && (volume_mapping_flags == 491 MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING)) 492 max_idx -= sc->max_volumes; 493 for (map_idx = start_idx; map_idx < max_idx; map_idx++, mt_entry++) 494 if (!(mt_entry->device_info & (MPR_MAP_IN_USE | 495 MPR_DEV_RESERVED))) 496 return map_idx; 497 498 return MPR_MAPTABLE_BAD_IDX; 499 } 500 501 /** 502 * _mapping_get_dpm_idx_from_id - get DPM index from ID 503 * @sc: per adapter object 504 * @id: volume WWID or enclosure ID or device ID 505 * 506 * Returns the index of DPM entry on success or bad index. 507 */ 508 static u16 509 _mapping_get_dpm_idx_from_id(struct mpr_softc *sc, u64 id, u32 phy_bits) 510 { 511 u16 entry_num; 512 uint64_t PhysicalIdentifier; 513 Mpi2DriverMap0Entry_t *dpm_entry; 514 515 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 + 516 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); 517 PhysicalIdentifier = dpm_entry->PhysicalIdentifier.High; 518 PhysicalIdentifier = (PhysicalIdentifier << 32) | 519 dpm_entry->PhysicalIdentifier.Low; 520 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++, 521 dpm_entry++) 522 if ((id == PhysicalIdentifier) && 523 (!phy_bits || !dpm_entry->PhysicalBitsMapping || 524 (phy_bits & dpm_entry->PhysicalBitsMapping))) 525 return entry_num; 526 527 return MPR_DPM_BAD_IDX; 528 } 529 530 531 /** 532 * _mapping_get_free_dpm_idx - get first available DPM index 533 * @sc: per adapter object 534 * 535 * Returns the index of DPM entry on success or bad index. 536 */ 537 static u32 538 _mapping_get_free_dpm_idx(struct mpr_softc *sc) 539 { 540 u16 entry_num; 541 542 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) { 543 if (!sc->dpm_entry_used[entry_num]) 544 return entry_num; 545 } 546 return MPR_DPM_BAD_IDX; 547 } 548 549 /** 550 * _mapping_update_ir_missing_cnt - Updates missing count for a volume 551 * @sc: per adapter object 552 * @map_idx: map table index of the volume 553 * @element: IR configuration change element 554 * @wwid: IR volume ID. 555 * 556 * Updates the missing count in the map table and in the DPM entry for a volume 557 * 558 * Returns nothing. 559 */ 560 static void 561 _mapping_update_ir_missing_cnt(struct mpr_softc *sc, u32 map_idx, 562 Mpi2EventIrConfigElement_t *element, u64 wwid) 563 { 564 struct dev_mapping_table *mt_entry; 565 u8 missing_cnt, reason = element->ReasonCode; 566 u16 dpm_idx; 567 Mpi2DriverMap0Entry_t *dpm_entry; 568 569 if (!sc->is_dpm_enable) 570 return; 571 mt_entry = &sc->mapping_table[map_idx]; 572 if (reason == MPI2_EVENT_IR_CHANGE_RC_ADDED) { 573 mt_entry->missing_count = 0; 574 } else if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) { 575 mt_entry->missing_count = 0; 576 mt_entry->init_complete = 0; 577 } else if ((reason == MPI2_EVENT_IR_CHANGE_RC_REMOVED) || 578 (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED)) { 579 if (!mt_entry->init_complete) { 580 if (mt_entry->missing_count < MPR_MAX_MISSING_COUNT) 581 mt_entry->missing_count++; 582 else 583 mt_entry->init_complete = 1; 584 } 585 if (!mt_entry->missing_count) 586 mt_entry->missing_count++; 587 mt_entry->dev_handle = 0; 588 } 589 590 dpm_idx = mt_entry->dpm_entry_num; 591 if (dpm_idx == MPR_DPM_BAD_IDX) { 592 if ((reason == MPI2_EVENT_IR_CHANGE_RC_ADDED) || 593 (reason == MPI2_EVENT_IR_CHANGE_RC_REMOVED)) 594 dpm_idx = _mapping_get_dpm_idx_from_id(sc, 595 mt_entry->physical_id, 0); 596 else if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED) 597 return; 598 } 599 if (dpm_idx != MPR_DPM_BAD_IDX) { 600 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 + 601 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); 602 dpm_entry += dpm_idx; 603 missing_cnt = dpm_entry->MappingInformation & 604 MPI2_DRVMAP0_MAPINFO_MISSING_MASK; 605 if ((mt_entry->physical_id == 606 le64toh((u64)dpm_entry->PhysicalIdentifier.High | 607 dpm_entry->PhysicalIdentifier.Low)) && (missing_cnt == 608 mt_entry->missing_count)) 609 mt_entry->init_complete = 1; 610 } else { 611 dpm_idx = _mapping_get_free_dpm_idx(sc); 612 mt_entry->init_complete = 0; 613 } 614 615 if ((dpm_idx != MPR_DPM_BAD_IDX) && !mt_entry->init_complete) { 616 mt_entry->init_complete = 1; 617 mt_entry->dpm_entry_num = dpm_idx; 618 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 + 619 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); 620 dpm_entry += dpm_idx; 621 dpm_entry->PhysicalIdentifier.Low = 622 (0xFFFFFFFF & mt_entry->physical_id); 623 dpm_entry->PhysicalIdentifier.High = 624 (mt_entry->physical_id >> 32); 625 dpm_entry->DeviceIndex = map_idx; 626 dpm_entry->MappingInformation = mt_entry->missing_count; 627 dpm_entry->PhysicalBitsMapping = 0; 628 dpm_entry->Reserved1 = 0; 629 sc->dpm_flush_entry[dpm_idx] = 1; 630 sc->dpm_entry_used[dpm_idx] = 1; 631 } else if (dpm_idx == MPR_DPM_BAD_IDX) { 632 printf("%s: no space to add entry in DPM table\n", __func__); 633 mt_entry->init_complete = 1; 634 } 635 } 636 637 /** 638 * _mapping_add_to_removal_table - mark an entry for removal 639 * @sc: per adapter object 640 * @handle: Handle of enclosures/device/volume 641 * 642 * Adds the handle or DPM entry number in removal table. 643 * 644 * Returns nothing. 645 */ 646 static void 647 _mapping_add_to_removal_table(struct mpr_softc *sc, u16 handle, 648 u16 dpm_idx) 649 { 650 struct map_removal_table *remove_entry; 651 u32 i; 652 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 653 654 remove_entry = sc->removal_table; 655 656 for (i = 0; i < sc->max_devices; i++, remove_entry++) { 657 if (remove_entry->dev_handle || remove_entry->dpm_entry_num != 658 MPR_DPM_BAD_IDX) 659 continue; 660 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 661 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) { 662 if (dpm_idx) 663 remove_entry->dpm_entry_num = dpm_idx; 664 if (remove_entry->dpm_entry_num == MPR_DPM_BAD_IDX) 665 remove_entry->dev_handle = handle; 666 } else if ((ioc_pg8_flags & 667 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 668 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) 669 remove_entry->dev_handle = handle; 670 break; 671 } 672 673 } 674 675 /** 676 * _mapping_update_missing_count - Update missing count for a device 677 * @sc: per adapter object 678 * @topo_change: Topology change event entry 679 * 680 * Search through the topology change list and if any device is found not 681 * responding it's associated map table entry and DPM entry is updated 682 * 683 * Returns nothing. 684 */ 685 static void 686 _mapping_update_missing_count(struct mpr_softc *sc, 687 struct _map_topology_change *topo_change) 688 { 689 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 690 u8 entry; 691 struct _map_phy_change *phy_change; 692 u32 map_idx; 693 struct dev_mapping_table *mt_entry; 694 Mpi2DriverMap0Entry_t *dpm_entry; 695 696 for (entry = 0; entry < topo_change->num_entries; entry++) { 697 phy_change = &topo_change->phy_details[entry]; 698 if (!phy_change->dev_handle || (phy_change->reason != 699 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)) 700 continue; 701 map_idx = _mapping_get_mt_idx_from_handle(sc, phy_change-> 702 dev_handle); 703 phy_change->is_processed = 1; 704 if (map_idx == MPR_MAPTABLE_BAD_IDX) { 705 printf("%s: device is already removed from mapping " 706 "table\n", __func__); 707 continue; 708 } 709 mt_entry = &sc->mapping_table[map_idx]; 710 if (!mt_entry->init_complete) { 711 if (mt_entry->missing_count < MPR_MAX_MISSING_COUNT) 712 mt_entry->missing_count++; 713 else 714 mt_entry->init_complete = 1; 715 } 716 if (!mt_entry->missing_count) 717 mt_entry->missing_count++; 718 _mapping_add_to_removal_table(sc, mt_entry->dev_handle, 0); 719 mt_entry->dev_handle = 0; 720 721 if (((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 722 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) && 723 sc->is_dpm_enable && !mt_entry->init_complete && 724 mt_entry->dpm_entry_num != MPR_DPM_BAD_IDX) { 725 dpm_entry = 726 (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 + 727 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); 728 dpm_entry += mt_entry->dpm_entry_num; 729 dpm_entry->MappingInformation = mt_entry->missing_count; 730 sc->dpm_flush_entry[mt_entry->dpm_entry_num] = 1; 731 } 732 mt_entry->init_complete = 1; 733 } 734 } 735 736 /** 737 * _mapping_find_enc_map_space -find map table entries for enclosure 738 * @sc: per adapter object 739 * @et_entry: enclosure entry 740 * 741 * Search through the mapping table defragment it and provide contiguous 742 * space in map table for a particular enclosure entry 743 * 744 * Returns start index in map table or bad index. 745 */ 746 static u32 747 _mapping_find_enc_map_space(struct mpr_softc *sc, 748 struct enc_mapping_table *et_entry) 749 { 750 u16 vol_mapping_flags; 751 u32 skip_count, end_of_table, map_idx, enc_idx; 752 u16 num_found; 753 u32 start_idx = MPR_MAPTABLE_BAD_IDX; 754 struct dev_mapping_table *mt_entry; 755 struct enc_mapping_table *enc_entry; 756 unsigned char done_flag = 0, found_space; 757 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs); 758 759 skip_count = sc->num_rsvd_entries; 760 num_found = 0; 761 762 vol_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) & 763 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; 764 765 if (!sc->ir_firmware) 766 end_of_table = sc->max_devices; 767 else if (vol_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) 768 end_of_table = sc->max_devices; 769 else 770 end_of_table = sc->max_devices - sc->max_volumes; 771 772 for (map_idx = (max_num_phy_ids + skip_count); 773 map_idx < end_of_table; map_idx++) { 774 mt_entry = &sc->mapping_table[map_idx]; 775 if ((et_entry->enclosure_id == mt_entry->physical_id) && 776 (!mt_entry->phy_bits || (mt_entry->phy_bits & 777 et_entry->phy_bits))) { 778 num_found += 1; 779 if (num_found == et_entry->num_slots) { 780 start_idx = (map_idx - num_found) + 1; 781 return start_idx; 782 } 783 } else 784 num_found = 0; 785 } 786 for (map_idx = (max_num_phy_ids + skip_count); 787 map_idx < end_of_table; map_idx++) { 788 mt_entry = &sc->mapping_table[map_idx]; 789 if (!(mt_entry->device_info & MPR_DEV_RESERVED)) { 790 num_found += 1; 791 if (num_found == et_entry->num_slots) { 792 start_idx = (map_idx - num_found) + 1; 793 return start_idx; 794 } 795 } else 796 num_found = 0; 797 } 798 799 while (!done_flag) { 800 enc_idx = _mapping_get_high_missing_et_idx(sc); 801 if (enc_idx == MPR_ENCTABLE_BAD_IDX) 802 return MPR_MAPTABLE_BAD_IDX; 803 enc_entry = &sc->enclosure_table[enc_idx]; 804 /*VSP FIXME*/ 805 enc_entry->skip_search = 1; 806 mt_entry = &sc->mapping_table[enc_entry->start_index]; 807 for (map_idx = enc_entry->start_index; map_idx < 808 (enc_entry->start_index + enc_entry->num_slots); map_idx++, 809 mt_entry++) 810 mt_entry->device_info &= ~MPR_DEV_RESERVED; 811 found_space = 0; 812 for (map_idx = (max_num_phy_ids + 813 skip_count); map_idx < end_of_table; map_idx++) { 814 mt_entry = &sc->mapping_table[map_idx]; 815 if (!(mt_entry->device_info & MPR_DEV_RESERVED)) { 816 num_found += 1; 817 if (num_found == et_entry->num_slots) { 818 start_idx = (map_idx - num_found) + 1; 819 found_space = 1; 820 } 821 } else 822 num_found = 0; 823 } 824 825 if (!found_space) 826 continue; 827 for (map_idx = start_idx; map_idx < (start_idx + num_found); 828 map_idx++) { 829 enc_entry = sc->enclosure_table; 830 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; 831 enc_idx++, enc_entry++) { 832 if (map_idx < enc_entry->start_index || 833 map_idx > (enc_entry->start_index + 834 enc_entry->num_slots)) 835 continue; 836 if (!enc_entry->removal_flag) { 837 enc_entry->removal_flag = 1; 838 _mapping_add_to_removal_table(sc, 0, 839 enc_entry->dpm_entry_num); 840 } 841 mt_entry = &sc->mapping_table[map_idx]; 842 if (mt_entry->device_info & 843 MPR_MAP_IN_USE) { 844 _mapping_add_to_removal_table(sc, 845 mt_entry->dev_handle, 0); 846 _mapping_clear_map_entry(mt_entry); 847 } 848 if (map_idx == (enc_entry->start_index + 849 enc_entry->num_slots - 1)) 850 _mapping_clear_enc_entry(et_entry); 851 } 852 } 853 enc_entry = sc->enclosure_table; 854 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; 855 enc_idx++, enc_entry++) { 856 if (!enc_entry->removal_flag) { 857 mt_entry = &sc->mapping_table[enc_entry-> 858 start_index]; 859 for (map_idx = enc_entry->start_index; map_idx < 860 (enc_entry->start_index + 861 enc_entry->num_slots); map_idx++, 862 mt_entry++) 863 mt_entry->device_info |= 864 MPR_DEV_RESERVED; 865 et_entry->skip_search = 0; 866 } 867 } 868 done_flag = 1; 869 } 870 return start_idx; 871 } 872 873 /** 874 * _mapping_get_dev_info -get information about newly added devices 875 * @sc: per adapter object 876 * @topo_change: Topology change event entry 877 * 878 * Search through the topology change event list and issues sas device pg0 879 * requests for the newly added device and reserved entries in tables 880 * 881 * Returns nothing 882 */ 883 static void 884 _mapping_get_dev_info(struct mpr_softc *sc, 885 struct _map_topology_change *topo_change) 886 { 887 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 888 Mpi2ConfigReply_t mpi_reply; 889 Mpi2SasDevicePage0_t sas_device_pg0; 890 u8 entry, enc_idx, phy_idx; 891 u32 map_idx, index, device_info; 892 struct _map_phy_change *phy_change, *tmp_phy_change; 893 uint64_t sas_address; 894 struct enc_mapping_table *et_entry; 895 struct dev_mapping_table *mt_entry; 896 u8 add_code = MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED; 897 int rc; 898 899 for (entry = 0; entry < topo_change->num_entries; entry++) { 900 phy_change = &topo_change->phy_details[entry]; 901 if (phy_change->is_processed || !phy_change->dev_handle || 902 phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED) 903 continue; 904 if (mpr_config_get_sas_device_pg0(sc, &mpi_reply, 905 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, 906 phy_change->dev_handle)) { 907 phy_change->is_processed = 1; 908 continue; 909 } 910 911 device_info = le32toh(sas_device_pg0.DeviceInfo); 912 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 913 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) { 914 if ((device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE) && 915 (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)) { 916 rc = mprsas_get_sas_address_for_sata_disk(sc, 917 &sas_address, phy_change->dev_handle, 918 device_info); 919 if (rc) { 920 printf("%s: failed to compute the " 921 "hashed SAS Address for SATA " 922 "device with handle 0x%04x\n", 923 __func__, phy_change->dev_handle); 924 sas_address = 925 sas_device_pg0.SASAddress.High; 926 sas_address = (sas_address << 32) | 927 sas_device_pg0.SASAddress.Low; 928 } 929 mpr_dprint(sc, MPR_INFO, "SAS Address for SATA " 930 "device = %jx\n", sas_address); 931 } else { 932 sas_address = 933 sas_device_pg0.SASAddress.High; 934 sas_address = (sas_address << 32) | 935 sas_device_pg0.SASAddress.Low; 936 } 937 } else { 938 sas_address = sas_device_pg0.SASAddress.High; 939 sas_address = (sas_address << 32) | 940 sas_device_pg0.SASAddress.Low; 941 } 942 phy_change->physical_id = sas_address; 943 phy_change->slot = le16toh(sas_device_pg0.Slot); 944 phy_change->device_info = 945 le32toh(sas_device_pg0.DeviceInfo); 946 947 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 948 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) { 949 enc_idx = _mapping_get_enc_idx_from_handle(sc, 950 topo_change->enc_handle); 951 if (enc_idx == MPR_ENCTABLE_BAD_IDX) { 952 phy_change->is_processed = 1; 953 printf("%s: failed to add the device with " 954 "handle 0x%04x because the enclosure is " 955 "not in the mapping table\n", __func__, 956 phy_change->dev_handle); 957 continue; 958 } 959 if (!((phy_change->device_info & 960 MPI2_SAS_DEVICE_INFO_END_DEVICE) && 961 (phy_change->device_info & 962 (MPI2_SAS_DEVICE_INFO_SSP_TARGET | 963 MPI2_SAS_DEVICE_INFO_STP_TARGET | 964 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))) { 965 phy_change->is_processed = 1; 966 continue; 967 } 968 et_entry = &sc->enclosure_table[enc_idx]; 969 if (et_entry->start_index != MPR_MAPTABLE_BAD_IDX) 970 continue; 971 if (!topo_change->exp_handle) { 972 map_idx = sc->num_rsvd_entries; 973 et_entry->start_index = map_idx; 974 } else { 975 map_idx = _mapping_find_enc_map_space(sc, 976 et_entry); 977 et_entry->start_index = map_idx; 978 if (et_entry->start_index == 979 MPR_MAPTABLE_BAD_IDX) { 980 phy_change->is_processed = 1; 981 for (phy_idx = 0; phy_idx < 982 topo_change->num_entries; 983 phy_idx++) { 984 tmp_phy_change = 985 &topo_change->phy_details 986 [phy_idx]; 987 if (tmp_phy_change->reason == 988 add_code) 989 tmp_phy_change-> 990 is_processed = 1; 991 } 992 break; 993 } 994 } 995 mt_entry = &sc->mapping_table[map_idx]; 996 for (index = map_idx; index < (et_entry->num_slots 997 + map_idx); index++, mt_entry++) { 998 mt_entry->device_info = MPR_DEV_RESERVED; 999 mt_entry->physical_id = et_entry->enclosure_id; 1000 mt_entry->phy_bits = et_entry->phy_bits; 1001 } 1002 } 1003 } 1004 } 1005 1006 /** 1007 * _mapping_set_mid_to_eid -set map table data from enclosure table 1008 * @sc: per adapter object 1009 * @et_entry: enclosure entry 1010 * 1011 * Returns nothing 1012 */ 1013 static inline void 1014 _mapping_set_mid_to_eid(struct mpr_softc *sc, 1015 struct enc_mapping_table *et_entry) 1016 { 1017 struct dev_mapping_table *mt_entry; 1018 u16 slots = et_entry->num_slots, map_idx; 1019 u32 start_idx = et_entry->start_index; 1020 if (start_idx != MPR_MAPTABLE_BAD_IDX) { 1021 mt_entry = &sc->mapping_table[start_idx]; 1022 for (map_idx = 0; map_idx < slots; map_idx++, mt_entry++) 1023 mt_entry->physical_id = et_entry->enclosure_id; 1024 } 1025 } 1026 1027 /** 1028 * _mapping_clear_removed_entries - mark the entries to be cleared 1029 * @sc: per adapter object 1030 * 1031 * Search through the removal table and mark the entries which needs to be 1032 * flushed to DPM and also updates the map table and enclosure table by 1033 * clearing the corresponding entries. 1034 * 1035 * Returns nothing 1036 */ 1037 static void 1038 _mapping_clear_removed_entries(struct mpr_softc *sc) 1039 { 1040 u32 remove_idx; 1041 struct map_removal_table *remove_entry; 1042 Mpi2DriverMap0Entry_t *dpm_entry; 1043 u8 done_flag = 0, num_entries, m, i; 1044 struct enc_mapping_table *et_entry, *from, *to; 1045 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1046 1047 if (sc->is_dpm_enable) { 1048 remove_entry = sc->removal_table; 1049 for (remove_idx = 0; remove_idx < sc->max_devices; 1050 remove_idx++, remove_entry++) { 1051 if (remove_entry->dpm_entry_num != MPR_DPM_BAD_IDX) { 1052 dpm_entry = (Mpi2DriverMap0Entry_t *) 1053 ((u8 *) sc->dpm_pg0 + 1054 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); 1055 dpm_entry += remove_entry->dpm_entry_num; 1056 dpm_entry->PhysicalIdentifier.Low = 0; 1057 dpm_entry->PhysicalIdentifier.High = 0; 1058 dpm_entry->DeviceIndex = 0; 1059 dpm_entry->MappingInformation = 0; 1060 dpm_entry->PhysicalBitsMapping = 0; 1061 sc->dpm_flush_entry[remove_entry-> 1062 dpm_entry_num] = 1; 1063 sc->dpm_entry_used[remove_entry->dpm_entry_num] 1064 = 0; 1065 remove_entry->dpm_entry_num = MPR_DPM_BAD_IDX; 1066 } 1067 } 1068 } 1069 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 1070 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) { 1071 num_entries = sc->num_enc_table_entries; 1072 while (!done_flag) { 1073 done_flag = 1; 1074 et_entry = sc->enclosure_table; 1075 for (i = 0; i < num_entries; i++, et_entry++) { 1076 if (!et_entry->enc_handle && et_entry-> 1077 init_complete) { 1078 done_flag = 0; 1079 if (i != (num_entries - 1)) { 1080 from = &sc->enclosure_table 1081 [i+1]; 1082 to = &sc->enclosure_table[i]; 1083 for (m = i; m < (num_entries - 1084 1); m++, from++, to++) { 1085 _mapping_set_mid_to_eid 1086 (sc, to); 1087 *to = *from; 1088 } 1089 _mapping_clear_enc_entry(to); 1090 sc->num_enc_table_entries--; 1091 num_entries = 1092 sc->num_enc_table_entries; 1093 } else { 1094 _mapping_clear_enc_entry 1095 (et_entry); 1096 sc->num_enc_table_entries--; 1097 num_entries = 1098 sc->num_enc_table_entries; 1099 } 1100 } 1101 } 1102 } 1103 } 1104 } 1105 1106 /** 1107 * _mapping_add_new_device -Add the new device into mapping table 1108 * @sc: per adapter object 1109 * @topo_change: Topology change event entry 1110 * 1111 * Search through the topology change event list and updates map table, 1112 * enclosure table and DPM pages for for the newly added devices. 1113 * 1114 * Returns nothing 1115 */ 1116 static void 1117 _mapping_add_new_device(struct mpr_softc *sc, 1118 struct _map_topology_change *topo_change) 1119 { 1120 u8 enc_idx, missing_cnt, is_removed = 0; 1121 u16 dpm_idx; 1122 u32 search_idx, map_idx; 1123 u32 entry; 1124 struct dev_mapping_table *mt_entry; 1125 struct enc_mapping_table *et_entry; 1126 struct _map_phy_change *phy_change; 1127 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1128 Mpi2DriverMap0Entry_t *dpm_entry; 1129 uint64_t temp64_var; 1130 u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT; 1131 u8 hdr_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER); 1132 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs); 1133 1134 for (entry = 0; entry < topo_change->num_entries; entry++) { 1135 phy_change = &topo_change->phy_details[entry]; 1136 if (phy_change->is_processed) 1137 continue; 1138 if (phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED || 1139 !phy_change->dev_handle) { 1140 phy_change->is_processed = 1; 1141 continue; 1142 } 1143 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 1144 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) { 1145 enc_idx = _mapping_get_enc_idx_from_handle 1146 (sc, topo_change->enc_handle); 1147 if (enc_idx == MPR_ENCTABLE_BAD_IDX) { 1148 phy_change->is_processed = 1; 1149 printf("%s: failed to add the device with " 1150 "handle 0x%04x because the enclosure is " 1151 "not in the mapping table\n", __func__, 1152 phy_change->dev_handle); 1153 continue; 1154 } 1155 et_entry = &sc->enclosure_table[enc_idx]; 1156 if (et_entry->start_index == MPR_MAPTABLE_BAD_IDX) { 1157 phy_change->is_processed = 1; 1158 if (!sc->mt_full_retry) { 1159 sc->mt_add_device_failed = 1; 1160 continue; 1161 } 1162 printf("%s: failed to add the device with " 1163 "handle 0x%04x because there is no free " 1164 "space available in the mapping table\n", 1165 __func__, phy_change->dev_handle); 1166 continue; 1167 } 1168 map_idx = et_entry->start_index + phy_change->slot - 1169 et_entry->start_slot; 1170 mt_entry = &sc->mapping_table[map_idx]; 1171 mt_entry->physical_id = phy_change->physical_id; 1172 mt_entry->channel = 0; 1173 mt_entry->id = map_idx; 1174 mt_entry->dev_handle = phy_change->dev_handle; 1175 mt_entry->missing_count = 0; 1176 mt_entry->dpm_entry_num = et_entry->dpm_entry_num; 1177 mt_entry->device_info = phy_change->device_info | 1178 (MPR_DEV_RESERVED | MPR_MAP_IN_USE); 1179 if (sc->is_dpm_enable) { 1180 dpm_idx = et_entry->dpm_entry_num; 1181 if (dpm_idx == MPR_DPM_BAD_IDX) 1182 dpm_idx = _mapping_get_dpm_idx_from_id 1183 (sc, et_entry->enclosure_id, 1184 et_entry->phy_bits); 1185 if (dpm_idx == MPR_DPM_BAD_IDX) { 1186 dpm_idx = _mapping_get_free_dpm_idx(sc); 1187 if (dpm_idx != MPR_DPM_BAD_IDX) { 1188 dpm_entry = 1189 (Mpi2DriverMap0Entry_t *) 1190 ((u8 *) sc->dpm_pg0 + 1191 hdr_sz); 1192 dpm_entry += dpm_idx; 1193 dpm_entry-> 1194 PhysicalIdentifier.Low = 1195 (0xFFFFFFFF & 1196 et_entry->enclosure_id); 1197 dpm_entry-> 1198 PhysicalIdentifier.High = 1199 ( et_entry->enclosure_id 1200 >> 32); 1201 dpm_entry->DeviceIndex = 1202 (U16)et_entry->start_index; 1203 dpm_entry->MappingInformation = 1204 et_entry->num_slots; 1205 dpm_entry->MappingInformation 1206 <<= map_shift; 1207 dpm_entry->PhysicalBitsMapping 1208 = et_entry->phy_bits; 1209 et_entry->dpm_entry_num = 1210 dpm_idx; 1211 /* FIXME Do I need to set the dpm_idxin mt_entry too */ 1212 sc->dpm_entry_used[dpm_idx] = 1; 1213 sc->dpm_flush_entry[dpm_idx] = 1214 1; 1215 phy_change->is_processed = 1; 1216 } else { 1217 phy_change->is_processed = 1; 1218 mpr_dprint(sc, MPR_INFO, "%s: " 1219 "failed to add the device " 1220 "with handle 0x%04x to " 1221 "persistent table because " 1222 "there is no free space " 1223 "available\n", __func__, 1224 phy_change->dev_handle); 1225 } 1226 } else { 1227 et_entry->dpm_entry_num = dpm_idx; 1228 mt_entry->dpm_entry_num = dpm_idx; 1229 } 1230 } 1231 /* FIXME Why not mt_entry too? */ 1232 et_entry->init_complete = 1; 1233 } else if ((ioc_pg8_flags & 1234 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 1235 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) { 1236 map_idx = _mapping_get_mt_idx_from_id 1237 (sc, phy_change->physical_id); 1238 if (map_idx == MPR_MAPTABLE_BAD_IDX) { 1239 search_idx = sc->num_rsvd_entries; 1240 if (topo_change->exp_handle) 1241 search_idx += max_num_phy_ids; 1242 map_idx = _mapping_get_free_mt_idx(sc, 1243 search_idx); 1244 } 1245 if (map_idx == MPR_MAPTABLE_BAD_IDX) { 1246 map_idx = _mapping_get_high_missing_mt_idx(sc); 1247 if (map_idx != MPR_MAPTABLE_BAD_IDX) { 1248 mt_entry = &sc->mapping_table[map_idx]; 1249 if (mt_entry->dev_handle) { 1250 _mapping_add_to_removal_table 1251 (sc, mt_entry->dev_handle, 1252 0); 1253 is_removed = 1; 1254 } 1255 mt_entry->init_complete = 0; 1256 } 1257 } 1258 if (map_idx != MPR_MAPTABLE_BAD_IDX) { 1259 mt_entry = &sc->mapping_table[map_idx]; 1260 mt_entry->physical_id = phy_change->physical_id; 1261 mt_entry->channel = 0; 1262 mt_entry->id = map_idx; 1263 mt_entry->dev_handle = phy_change->dev_handle; 1264 mt_entry->missing_count = 0; 1265 mt_entry->device_info = phy_change->device_info 1266 | (MPR_DEV_RESERVED | MPR_MAP_IN_USE); 1267 } else { 1268 phy_change->is_processed = 1; 1269 if (!sc->mt_full_retry) { 1270 sc->mt_add_device_failed = 1; 1271 continue; 1272 } 1273 printf("%s: failed to add the device with " 1274 "handle 0x%04x because there is no free " 1275 "space available in the mapping table\n", 1276 __func__, phy_change->dev_handle); 1277 continue; 1278 } 1279 if (sc->is_dpm_enable) { 1280 if (mt_entry->dpm_entry_num != 1281 MPR_DPM_BAD_IDX) { 1282 dpm_idx = mt_entry->dpm_entry_num; 1283 dpm_entry = (Mpi2DriverMap0Entry_t *) 1284 ((u8 *)sc->dpm_pg0 + hdr_sz); 1285 dpm_entry += dpm_idx; 1286 missing_cnt = dpm_entry-> 1287 MappingInformation & 1288 MPI2_DRVMAP0_MAPINFO_MISSING_MASK; 1289 temp64_var = dpm_entry-> 1290 PhysicalIdentifier.High; 1291 temp64_var = (temp64_var << 32) | 1292 dpm_entry->PhysicalIdentifier.Low; 1293 if ((mt_entry->physical_id == 1294 temp64_var) && !missing_cnt) 1295 mt_entry->init_complete = 1; 1296 } else { 1297 dpm_idx = _mapping_get_free_dpm_idx(sc); 1298 mt_entry->init_complete = 0; 1299 } 1300 if (dpm_idx != MPR_DPM_BAD_IDX && 1301 !mt_entry->init_complete) { 1302 mt_entry->init_complete = 1; 1303 mt_entry->dpm_entry_num = dpm_idx; 1304 dpm_entry = (Mpi2DriverMap0Entry_t *) 1305 ((u8 *)sc->dpm_pg0 + hdr_sz); 1306 dpm_entry += dpm_idx; 1307 dpm_entry->PhysicalIdentifier.Low = 1308 (0xFFFFFFFF & 1309 mt_entry->physical_id); 1310 dpm_entry->PhysicalIdentifier.High = 1311 (mt_entry->physical_id >> 32); 1312 dpm_entry->DeviceIndex = (U16) map_idx; 1313 dpm_entry->MappingInformation = 0; 1314 dpm_entry->PhysicalBitsMapping = 0; 1315 sc->dpm_entry_used[dpm_idx] = 1; 1316 sc->dpm_flush_entry[dpm_idx] = 1; 1317 phy_change->is_processed = 1; 1318 } else if (dpm_idx == MPR_DPM_BAD_IDX) { 1319 phy_change->is_processed = 1; 1320 mpr_dprint(sc, MPR_INFO, "%s: " 1321 "failed to add the device " 1322 "with handle 0x%04x to " 1323 "persistent table because " 1324 "there is no free space " 1325 "available\n", __func__, 1326 phy_change->dev_handle); 1327 } 1328 } 1329 mt_entry->init_complete = 1; 1330 } 1331 1332 phy_change->is_processed = 1; 1333 } 1334 if (is_removed) 1335 _mapping_clear_removed_entries(sc); 1336 } 1337 1338 /** 1339 * _mapping_flush_dpm_pages -Flush the DPM pages to NVRAM 1340 * @sc: per adapter object 1341 * 1342 * Returns nothing 1343 */ 1344 static void 1345 _mapping_flush_dpm_pages(struct mpr_softc *sc) 1346 { 1347 Mpi2DriverMap0Entry_t *dpm_entry; 1348 Mpi2ConfigReply_t mpi_reply; 1349 Mpi2DriverMappingPage0_t config_page; 1350 u16 entry_num; 1351 1352 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) { 1353 if (!sc->dpm_flush_entry[entry_num]) 1354 continue; 1355 memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t)); 1356 memcpy(&config_page.Header, (u8 *)sc->dpm_pg0, 1357 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); 1358 dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 + 1359 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); 1360 dpm_entry += entry_num; 1361 dpm_entry->MappingInformation = htole16(dpm_entry-> 1362 MappingInformation); 1363 dpm_entry->DeviceIndex = htole16(dpm_entry->DeviceIndex); 1364 dpm_entry->PhysicalBitsMapping = htole32(dpm_entry-> 1365 PhysicalBitsMapping); 1366 memcpy(&config_page.Entry, (u8 *)dpm_entry, 1367 sizeof(Mpi2DriverMap0Entry_t)); 1368 /* TODO-How to handle failed writes? */ 1369 if (mpr_config_set_dpm_pg0(sc, &mpi_reply, &config_page, 1370 entry_num)) { 1371 printf("%s: write of dpm entry %d for device failed\n", 1372 __func__, entry_num); 1373 } else 1374 sc->dpm_flush_entry[entry_num] = 0; 1375 dpm_entry->MappingInformation = le16toh(dpm_entry-> 1376 MappingInformation); 1377 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex); 1378 dpm_entry->PhysicalBitsMapping = le32toh(dpm_entry-> 1379 PhysicalBitsMapping); 1380 } 1381 } 1382 1383 /** 1384 * _mapping_allocate_memory- allocates the memory required for mapping tables 1385 * @sc: per adapter object 1386 * 1387 * Allocates the memory for all the tables required for host mapping 1388 * 1389 * Return 0 on success or non-zero on failure. 1390 */ 1391 int 1392 mpr_mapping_allocate_memory(struct mpr_softc *sc) 1393 { 1394 uint32_t dpm_pg0_sz; 1395 1396 sc->mapping_table = malloc((sizeof(struct dev_mapping_table) * 1397 sc->max_devices), M_MPR, M_ZERO|M_NOWAIT); 1398 if (!sc->mapping_table) 1399 goto free_resources; 1400 1401 sc->removal_table = malloc((sizeof(struct map_removal_table) * 1402 sc->max_devices), M_MPR, M_ZERO|M_NOWAIT); 1403 if (!sc->removal_table) 1404 goto free_resources; 1405 1406 sc->enclosure_table = malloc((sizeof(struct enc_mapping_table) * 1407 sc->max_enclosures), M_MPR, M_ZERO|M_NOWAIT); 1408 if (!sc->enclosure_table) 1409 goto free_resources; 1410 1411 sc->dpm_entry_used = malloc((sizeof(u8) * sc->max_dpm_entries), 1412 M_MPR, M_ZERO|M_NOWAIT); 1413 if (!sc->dpm_entry_used) 1414 goto free_resources; 1415 1416 sc->dpm_flush_entry = malloc((sizeof(u8) * sc->max_dpm_entries), 1417 M_MPR, M_ZERO|M_NOWAIT); 1418 if (!sc->dpm_flush_entry) 1419 goto free_resources; 1420 1421 dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) + 1422 (sc->max_dpm_entries * sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY)); 1423 1424 sc->dpm_pg0 = malloc(dpm_pg0_sz, M_MPR, M_ZERO|M_NOWAIT); 1425 if (!sc->dpm_pg0) { 1426 printf("%s: memory alloc failed for dpm page; disabling dpm\n", 1427 __func__); 1428 sc->is_dpm_enable = 0; 1429 } 1430 1431 return 0; 1432 1433 free_resources: 1434 free(sc->mapping_table, M_MPR); 1435 free(sc->removal_table, M_MPR); 1436 free(sc->enclosure_table, M_MPR); 1437 free(sc->dpm_entry_used, M_MPR); 1438 free(sc->dpm_flush_entry, M_MPR); 1439 free(sc->dpm_pg0, M_MPR); 1440 printf("%s: device initialization failed due to failure in mapping " 1441 "table memory allocation\n", __func__); 1442 return -1; 1443 } 1444 1445 /** 1446 * mpr_mapping_free_memory- frees the memory allocated for mapping tables 1447 * @sc: per adapter object 1448 * 1449 * Returns nothing. 1450 */ 1451 void 1452 mpr_mapping_free_memory(struct mpr_softc *sc) 1453 { 1454 free(sc->mapping_table, M_MPR); 1455 free(sc->removal_table, M_MPR); 1456 free(sc->enclosure_table, M_MPR); 1457 free(sc->dpm_entry_used, M_MPR); 1458 free(sc->dpm_flush_entry, M_MPR); 1459 free(sc->dpm_pg0, M_MPR); 1460 } 1461 1462 1463 static void 1464 _mapping_process_dpm_pg0(struct mpr_softc *sc) 1465 { 1466 u8 missing_cnt, enc_idx; 1467 u16 slot_id, entry_num, num_slots; 1468 u32 map_idx, dev_idx, start_idx, end_idx; 1469 struct dev_mapping_table *mt_entry; 1470 Mpi2DriverMap0Entry_t *dpm_entry; 1471 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1472 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs); 1473 struct enc_mapping_table *et_entry; 1474 u64 physical_id; 1475 u32 phy_bits = 0; 1476 1477 if (sc->ir_firmware) 1478 _mapping_get_ir_maprange(sc, &start_idx, &end_idx); 1479 1480 dpm_entry = (Mpi2DriverMap0Entry_t *) ((uint8_t *) sc->dpm_pg0 + 1481 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); 1482 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++, 1483 dpm_entry++) { 1484 physical_id = dpm_entry->PhysicalIdentifier.High; 1485 physical_id = (physical_id << 32) | 1486 dpm_entry->PhysicalIdentifier.Low; 1487 if (!physical_id) { 1488 sc->dpm_entry_used[entry_num] = 0; 1489 continue; 1490 } 1491 sc->dpm_entry_used[entry_num] = 1; 1492 dpm_entry->MappingInformation = le16toh(dpm_entry-> 1493 MappingInformation); 1494 missing_cnt = dpm_entry->MappingInformation & 1495 MPI2_DRVMAP0_MAPINFO_MISSING_MASK; 1496 dev_idx = le16toh(dpm_entry->DeviceIndex); 1497 phy_bits = le32toh(dpm_entry->PhysicalBitsMapping); 1498 if (sc->ir_firmware && (dev_idx >= start_idx) && 1499 (dev_idx <= end_idx)) { 1500 mt_entry = &sc->mapping_table[dev_idx]; 1501 mt_entry->physical_id = dpm_entry->PhysicalIdentifier.High; 1502 mt_entry->physical_id = (mt_entry->physical_id << 32) | 1503 dpm_entry->PhysicalIdentifier.Low; 1504 mt_entry->channel = MPR_RAID_CHANNEL; 1505 mt_entry->id = dev_idx; 1506 mt_entry->missing_count = missing_cnt; 1507 mt_entry->dpm_entry_num = entry_num; 1508 mt_entry->device_info = MPR_DEV_RESERVED; 1509 continue; 1510 } 1511 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 1512 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) { 1513 if (dev_idx < (sc->num_rsvd_entries + 1514 max_num_phy_ids)) { 1515 slot_id = 0; 1516 if (ioc_pg8_flags & 1517 MPI2_IOCPAGE8_FLAGS_DA_START_SLOT_1) 1518 slot_id = 1; 1519 num_slots = max_num_phy_ids; 1520 } else { 1521 slot_id = 0; 1522 num_slots = dpm_entry->MappingInformation & 1523 MPI2_DRVMAP0_MAPINFO_SLOT_MASK; 1524 num_slots >>= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT; 1525 } 1526 enc_idx = sc->num_enc_table_entries; 1527 if (enc_idx >= sc->max_enclosures) { 1528 printf("%s: enclosure entries exceed max " 1529 "enclosures of %d\n", __func__, 1530 sc->max_enclosures); 1531 break; 1532 } 1533 sc->num_enc_table_entries++; 1534 et_entry = &sc->enclosure_table[enc_idx]; 1535 physical_id = dpm_entry->PhysicalIdentifier.High; 1536 et_entry->enclosure_id = (physical_id << 32) | 1537 dpm_entry->PhysicalIdentifier.Low; 1538 et_entry->start_index = dev_idx; 1539 et_entry->dpm_entry_num = entry_num; 1540 et_entry->num_slots = num_slots; 1541 et_entry->start_slot = slot_id; 1542 et_entry->missing_count = missing_cnt; 1543 et_entry->phy_bits = phy_bits; 1544 1545 mt_entry = &sc->mapping_table[dev_idx]; 1546 for (map_idx = dev_idx; map_idx < (dev_idx + num_slots); 1547 map_idx++, mt_entry++) { 1548 if (mt_entry->dpm_entry_num != 1549 MPR_DPM_BAD_IDX) { 1550 printf("%s: conflict in mapping table " 1551 "for enclosure %d\n", __func__, 1552 enc_idx); 1553 break; 1554 } 1555 physical_id = dpm_entry->PhysicalIdentifier.High; 1556 mt_entry->physical_id = (physical_id << 32) | 1557 dpm_entry->PhysicalIdentifier.Low; 1558 mt_entry->phy_bits = phy_bits; 1559 mt_entry->channel = 0; 1560 mt_entry->id = dev_idx; 1561 mt_entry->dpm_entry_num = entry_num; 1562 mt_entry->missing_count = missing_cnt; 1563 mt_entry->device_info = MPR_DEV_RESERVED; 1564 } 1565 } else if ((ioc_pg8_flags & 1566 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 1567 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) { 1568 map_idx = dev_idx; 1569 mt_entry = &sc->mapping_table[map_idx]; 1570 if (mt_entry->dpm_entry_num != MPR_DPM_BAD_IDX) { 1571 printf("%s: conflict in mapping table for " 1572 "device %d\n", __func__, map_idx); 1573 break; 1574 } 1575 physical_id = dpm_entry->PhysicalIdentifier.High; 1576 mt_entry->physical_id = (physical_id << 32) | 1577 dpm_entry->PhysicalIdentifier.Low; 1578 mt_entry->phy_bits = phy_bits; 1579 mt_entry->channel = 0; 1580 mt_entry->id = dev_idx; 1581 mt_entry->missing_count = missing_cnt; 1582 mt_entry->dpm_entry_num = entry_num; 1583 mt_entry->device_info = MPR_DEV_RESERVED; 1584 } 1585 } /*close the loop for DPM table */ 1586 } 1587 1588 /* 1589 * mpr_mapping_check_devices - start of the day check for device availabilty 1590 * @sc: per adapter object 1591 * @sleep_flag: Flag indicating whether this function can sleep or not 1592 * 1593 * Returns nothing. 1594 */ 1595 void 1596 mpr_mapping_check_devices(struct mpr_softc *sc, int sleep_flag) 1597 { 1598 u32 i; 1599 /* u32 cntdn, i; 1600 u32 timeout = 60;*/ 1601 struct dev_mapping_table *mt_entry; 1602 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1603 struct enc_mapping_table *et_entry; 1604 u32 start_idx, end_idx; 1605 1606 /* We need to ucomment this when this function is called 1607 * from the port enable complete */ 1608 #if 0 1609 sc->track_mapping_events = 0; 1610 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; 1611 do { 1612 if (!sc->pending_map_events) 1613 break; 1614 if (sleep_flag == CAN_SLEEP) 1615 pause("mpr_pause", (hz/1000));/* 1msec sleep */ 1616 else 1617 DELAY(500); /* 500 useconds delay */ 1618 } while (--cntdn); 1619 1620 1621 if (!cntdn) 1622 printf("%s: there are %d" 1623 " pending events after %d seconds of delay\n", 1624 __func__, sc->pending_map_events, timeout); 1625 #endif 1626 sc->pending_map_events = 0; 1627 1628 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 1629 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) { 1630 et_entry = sc->enclosure_table; 1631 for (i = 0; i < sc->num_enc_table_entries; i++, et_entry++) { 1632 if (!et_entry->init_complete) { 1633 if (et_entry->missing_count < 1634 MPR_MAX_MISSING_COUNT) { 1635 et_entry->missing_count++; 1636 if (et_entry->dpm_entry_num != 1637 MPR_DPM_BAD_IDX) 1638 _mapping_commit_enc_entry(sc, 1639 et_entry); 1640 } 1641 et_entry->init_complete = 1; 1642 } 1643 } 1644 if (!sc->ir_firmware) 1645 return; 1646 _mapping_get_ir_maprange(sc, &start_idx, &end_idx); 1647 mt_entry = &sc->mapping_table[start_idx]; 1648 for (i = start_idx; i < (end_idx + 1); i++, mt_entry++) { 1649 if (mt_entry->device_info & MPR_DEV_RESERVED 1650 && !mt_entry->physical_id) 1651 mt_entry->init_complete = 1; 1652 else if (mt_entry->device_info & MPR_DEV_RESERVED) { 1653 if (!mt_entry->init_complete) { 1654 if (mt_entry->missing_count < 1655 MPR_MAX_MISSING_COUNT) { 1656 mt_entry->missing_count++; 1657 if (mt_entry->dpm_entry_num != 1658 MPR_DPM_BAD_IDX) 1659 _mapping_commit_map_entry(sc, 1660 mt_entry); 1661 } 1662 mt_entry->init_complete = 1; 1663 } 1664 } 1665 } 1666 } else if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) == 1667 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) { 1668 mt_entry = sc->mapping_table; 1669 for (i = 0; i < sc->max_devices; i++, mt_entry++) { 1670 if (mt_entry->device_info & MPR_DEV_RESERVED 1671 && !mt_entry->physical_id) 1672 mt_entry->init_complete = 1; 1673 else if (mt_entry->device_info & MPR_DEV_RESERVED) { 1674 if (!mt_entry->init_complete) { 1675 if (mt_entry->missing_count < 1676 MPR_MAX_MISSING_COUNT) { 1677 mt_entry->missing_count++; 1678 if (mt_entry->dpm_entry_num != 1679 MPR_DPM_BAD_IDX) 1680 _mapping_commit_map_entry(sc, 1681 mt_entry); 1682 } 1683 mt_entry->init_complete = 1; 1684 } 1685 } 1686 } 1687 } 1688 } 1689 1690 1691 /** 1692 * mpr_mapping_is_reinit_required - check whether event replay required 1693 * @sc: per adapter object 1694 * 1695 * Checks the per ioc flags and decide whether reinit of events required 1696 * 1697 * Returns 1 for reinit of ioc 0 for not. 1698 */ 1699 int mpr_mapping_is_reinit_required(struct mpr_softc *sc) 1700 { 1701 if (!sc->mt_full_retry && sc->mt_add_device_failed) { 1702 sc->mt_full_retry = 1; 1703 sc->mt_add_device_failed = 0; 1704 _mapping_flush_dpm_pages(sc); 1705 return 1; 1706 } 1707 sc->mt_full_retry = 1; 1708 return 0; 1709 } 1710 1711 /** 1712 * mpr_mapping_initialize - initialize mapping tables 1713 * @sc: per adapter object 1714 * 1715 * Read controller persitant mapping tables into internal data area. 1716 * 1717 * Return 0 for success or non-zero for failure. 1718 */ 1719 int 1720 mpr_mapping_initialize(struct mpr_softc *sc) 1721 { 1722 uint16_t volume_mapping_flags, dpm_pg0_sz; 1723 uint32_t i; 1724 Mpi2ConfigReply_t mpi_reply; 1725 int error; 1726 uint8_t retry_count; 1727 uint16_t ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1728 1729 /* The additional 1 accounts for the virtual enclosure 1730 * created for the controller 1731 */ 1732 sc->max_enclosures = sc->facts->MaxEnclosures + 1; 1733 sc->max_expanders = sc->facts->MaxSasExpanders; 1734 sc->max_volumes = sc->facts->MaxVolumes; 1735 sc->max_devices = sc->facts->MaxTargets + sc->max_volumes; 1736 sc->pending_map_events = 0; 1737 sc->num_enc_table_entries = 0; 1738 sc->num_rsvd_entries = 0; 1739 sc->num_channels = 1; 1740 sc->max_dpm_entries = sc->ioc_pg8.MaxPersistentEntries; 1741 sc->is_dpm_enable = (sc->max_dpm_entries) ? 1 : 0; 1742 sc->track_mapping_events = 0; 1743 1744 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_DISABLE_PERSISTENT_MAPPING) 1745 sc->is_dpm_enable = 0; 1746 1747 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0) 1748 sc->num_rsvd_entries = 1; 1749 1750 volume_mapping_flags = sc->ioc_pg8.IRVolumeMappingFlags & 1751 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; 1752 if (sc->ir_firmware && (volume_mapping_flags == 1753 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING)) 1754 sc->num_rsvd_entries += sc->max_volumes; 1755 1756 error = mpr_mapping_allocate_memory(sc); 1757 if (error) 1758 return (error); 1759 1760 for (i = 0; i < sc->max_devices; i++) 1761 _mapping_clear_map_entry(sc->mapping_table + i); 1762 1763 for (i = 0; i < sc->max_enclosures; i++) 1764 _mapping_clear_enc_entry(sc->enclosure_table + i); 1765 1766 for (i = 0; i < sc->max_devices; i++) { 1767 sc->removal_table[i].dev_handle = 0; 1768 sc->removal_table[i].dpm_entry_num = MPR_DPM_BAD_IDX; 1769 } 1770 1771 memset(sc->dpm_entry_used, 0, sc->max_dpm_entries); 1772 memset(sc->dpm_flush_entry, 0, sc->max_dpm_entries); 1773 1774 if (sc->is_dpm_enable) { 1775 dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) + 1776 (sc->max_dpm_entries * 1777 sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY)); 1778 retry_count = 0; 1779 1780 retry_read_dpm: 1781 if (mpr_config_get_dpm_pg0(sc, &mpi_reply, sc->dpm_pg0, 1782 dpm_pg0_sz)) { 1783 printf("%s: dpm page read failed; disabling dpm\n", 1784 __func__); 1785 if (retry_count < 3) { 1786 retry_count++; 1787 goto retry_read_dpm; 1788 } 1789 sc->is_dpm_enable = 0; 1790 } 1791 } 1792 1793 if (sc->is_dpm_enable) 1794 _mapping_process_dpm_pg0(sc); 1795 1796 sc->track_mapping_events = 1; 1797 return 0; 1798 } 1799 1800 /** 1801 * mpr_mapping_exit - clear mapping table and associated memory 1802 * @sc: per adapter object 1803 * 1804 * Returns nothing. 1805 */ 1806 void 1807 mpr_mapping_exit(struct mpr_softc *sc) 1808 { 1809 _mapping_flush_dpm_pages(sc); 1810 mpr_mapping_free_memory(sc); 1811 } 1812 1813 /** 1814 * mpr_mapping_get_sas_id - assign a target id for sas device 1815 * @sc: per adapter object 1816 * @sas_address: sas address of the device 1817 * @handle: device handle 1818 * 1819 * Returns valid ID on success or BAD_ID. 1820 */ 1821 unsigned int 1822 mpr_mapping_get_sas_id(struct mpr_softc *sc, uint64_t sas_address, u16 handle) 1823 { 1824 u32 map_idx; 1825 struct dev_mapping_table *mt_entry; 1826 1827 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) { 1828 mt_entry = &sc->mapping_table[map_idx]; 1829 if (mt_entry->dev_handle == handle && mt_entry->physical_id == 1830 sas_address) 1831 return mt_entry->id; 1832 } 1833 1834 return MPR_MAP_BAD_ID; 1835 } 1836 1837 /** 1838 * mpr_mapping_get_sas_id_from_handle - find a target id in mapping table using 1839 * only the dev handle. This is just a wrapper function for the local function 1840 * _mapping_get_mt_idx_from_handle. 1841 * @sc: per adapter object 1842 * @handle: device handle 1843 * 1844 * Returns valid ID on success or BAD_ID. 1845 */ 1846 unsigned int 1847 mpr_mapping_get_sas_id_from_handle(struct mpr_softc *sc, u16 handle) 1848 { 1849 return (_mapping_get_mt_idx_from_handle(sc, handle)); 1850 } 1851 1852 /** 1853 * mpr_mapping_get_raid_id - assign a target id for raid device 1854 * @sc: per adapter object 1855 * @wwid: world wide identifier for raid volume 1856 * @handle: device handle 1857 * 1858 * Returns valid ID on success or BAD_ID. 1859 */ 1860 unsigned int 1861 mpr_mapping_get_raid_id(struct mpr_softc *sc, u64 wwid, u16 handle) 1862 { 1863 u32 map_idx; 1864 struct dev_mapping_table *mt_entry; 1865 1866 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) { 1867 mt_entry = &sc->mapping_table[map_idx]; 1868 if (mt_entry->dev_handle == handle && mt_entry->physical_id == 1869 wwid) 1870 return mt_entry->id; 1871 } 1872 1873 return MPR_MAP_BAD_ID; 1874 } 1875 1876 /** 1877 * mpr_mapping_get_raid_id_from_handle - find raid device in mapping table 1878 * using only the volume dev handle. This is just a wrapper function for the 1879 * local function _mapping_get_ir_mt_idx_from_handle. 1880 * @sc: per adapter object 1881 * @volHandle: volume device handle 1882 * 1883 * Returns valid ID on success or BAD_ID. 1884 */ 1885 unsigned int 1886 mpr_mapping_get_raid_id_from_handle(struct mpr_softc *sc, u16 volHandle) 1887 { 1888 return (_mapping_get_ir_mt_idx_from_handle(sc, volHandle)); 1889 } 1890 1891 /** 1892 * mpr_mapping_enclosure_dev_status_change_event - handle enclosure events 1893 * @sc: per adapter object 1894 * @event_data: event data payload 1895 * 1896 * Return nothing. 1897 */ 1898 void 1899 mpr_mapping_enclosure_dev_status_change_event(struct mpr_softc *sc, 1900 Mpi2EventDataSasEnclDevStatusChange_t *event_data) 1901 { 1902 u8 enc_idx, missing_count; 1903 struct enc_mapping_table *et_entry; 1904 Mpi2DriverMap0Entry_t *dpm_entry; 1905 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags); 1906 u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT; 1907 u8 update_phy_bits = 0; 1908 u32 saved_phy_bits; 1909 uint64_t temp64_var; 1910 1911 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) != 1912 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) 1913 goto out; 1914 1915 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 + 1916 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER)); 1917 1918 if (event_data->ReasonCode == MPI2_EVENT_SAS_ENCL_RC_ADDED) { 1919 if (!event_data->NumSlots) { 1920 printf("%s: enclosure with handle = 0x%x reported 0 " 1921 "slots\n", __func__, 1922 le16toh(event_data->EnclosureHandle)); 1923 goto out; 1924 } 1925 temp64_var = event_data->EnclosureLogicalID.High; 1926 temp64_var = (temp64_var << 32) | 1927 event_data->EnclosureLogicalID.Low; 1928 enc_idx = _mapping_get_enc_idx_from_id(sc, temp64_var, 1929 event_data->PhyBits); 1930 if (enc_idx != MPR_ENCTABLE_BAD_IDX) { 1931 et_entry = &sc->enclosure_table[enc_idx]; 1932 if (et_entry->init_complete && 1933 !et_entry->missing_count) { 1934 printf("%s: enclosure %d is already present " 1935 "with handle = 0x%x\n",__func__, enc_idx, 1936 et_entry->enc_handle); 1937 goto out; 1938 } 1939 et_entry->enc_handle = le16toh(event_data-> 1940 EnclosureHandle); 1941 et_entry->start_slot = le16toh(event_data->StartSlot); 1942 saved_phy_bits = et_entry->phy_bits; 1943 et_entry->phy_bits |= le32toh(event_data->PhyBits); 1944 if (saved_phy_bits != et_entry->phy_bits) 1945 update_phy_bits = 1; 1946 if (et_entry->missing_count || update_phy_bits) { 1947 et_entry->missing_count = 0; 1948 if (sc->is_dpm_enable && 1949 et_entry->dpm_entry_num != 1950 MPR_DPM_BAD_IDX) { 1951 dpm_entry += et_entry->dpm_entry_num; 1952 missing_count = 1953 (u8)(dpm_entry->MappingInformation & 1954 MPI2_DRVMAP0_MAPINFO_MISSING_MASK); 1955 if (!et_entry->init_complete && ( 1956 missing_count || update_phy_bits)) { 1957 dpm_entry->MappingInformation 1958 = et_entry->num_slots; 1959 dpm_entry->MappingInformation 1960 <<= map_shift; 1961 dpm_entry->PhysicalBitsMapping 1962 = et_entry->phy_bits; 1963 sc->dpm_flush_entry[et_entry-> 1964 dpm_entry_num] = 1; 1965 } 1966 } 1967 } 1968 } else { 1969 enc_idx = sc->num_enc_table_entries; 1970 if (enc_idx >= sc->max_enclosures) { 1971 printf("%s: enclosure can not be added; " 1972 "mapping table is full\n", __func__); 1973 goto out; 1974 } 1975 sc->num_enc_table_entries++; 1976 et_entry = &sc->enclosure_table[enc_idx]; 1977 et_entry->enc_handle = le16toh(event_data-> 1978 EnclosureHandle); 1979 et_entry->enclosure_id = event_data-> 1980 EnclosureLogicalID.High; 1981 et_entry->enclosure_id = ( et_entry->enclosure_id << 1982 32) | event_data->EnclosureLogicalID.Low; 1983 et_entry->start_index = MPR_MAPTABLE_BAD_IDX; 1984 et_entry->dpm_entry_num = MPR_DPM_BAD_IDX; 1985 et_entry->num_slots = le16toh(event_data->NumSlots); 1986 et_entry->start_slot = le16toh(event_data->StartSlot); 1987 et_entry->phy_bits = le32toh(event_data->PhyBits); 1988 } 1989 et_entry->init_complete = 1; 1990 } else if (event_data->ReasonCode == 1991 MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING) { 1992 enc_idx = _mapping_get_enc_idx_from_handle(sc, 1993 le16toh(event_data->EnclosureHandle)); 1994 if (enc_idx == MPR_ENCTABLE_BAD_IDX) { 1995 printf("%s: cannot unmap enclosure %d because it has " 1996 "already been deleted", __func__, enc_idx); 1997 goto out; 1998 } 1999 et_entry = &sc->enclosure_table[enc_idx]; 2000 if (!et_entry->init_complete) { 2001 if (et_entry->missing_count < MPR_MAX_MISSING_COUNT) 2002 et_entry->missing_count++; 2003 else 2004 et_entry->init_complete = 1; 2005 } 2006 if (!et_entry->missing_count) 2007 et_entry->missing_count++; 2008 if (sc->is_dpm_enable && !et_entry->init_complete && 2009 et_entry->dpm_entry_num != MPR_DPM_BAD_IDX) { 2010 dpm_entry += et_entry->dpm_entry_num; 2011 dpm_entry->MappingInformation = et_entry->num_slots; 2012 dpm_entry->MappingInformation <<= map_shift; 2013 dpm_entry->MappingInformation |= 2014 et_entry->missing_count; 2015 sc->dpm_flush_entry[et_entry->dpm_entry_num] = 1; 2016 } 2017 et_entry->init_complete = 1; 2018 } 2019 2020 out: 2021 _mapping_flush_dpm_pages(sc); 2022 if (sc->pending_map_events) 2023 sc->pending_map_events--; 2024 } 2025 2026 /** 2027 * mpr_mapping_topology_change_event - handle topology change events 2028 * @sc: per adapter object 2029 * @event_data: event data payload 2030 * 2031 * Returns nothing. 2032 */ 2033 void 2034 mpr_mapping_topology_change_event(struct mpr_softc *sc, 2035 Mpi2EventDataSasTopologyChangeList_t *event_data) 2036 { 2037 struct _map_topology_change topo_change; 2038 struct _map_phy_change *phy_change; 2039 Mpi2EventSasTopoPhyEntry_t *event_phy_change; 2040 u8 i, num_entries; 2041 2042 topo_change.enc_handle = le16toh(event_data->EnclosureHandle); 2043 topo_change.exp_handle = le16toh(event_data->ExpanderDevHandle); 2044 num_entries = event_data->NumEntries; 2045 topo_change.num_entries = num_entries; 2046 topo_change.start_phy_num = event_data->StartPhyNum; 2047 topo_change.num_phys = event_data->NumPhys; 2048 topo_change.exp_status = event_data->ExpStatus; 2049 event_phy_change = event_data->PHY; 2050 topo_change.phy_details = NULL; 2051 2052 if (!num_entries) 2053 goto out; 2054 phy_change = malloc(sizeof(struct _map_phy_change) * num_entries, 2055 M_MPR, M_NOWAIT|M_ZERO); 2056 topo_change.phy_details = phy_change; 2057 if (!phy_change) 2058 goto out; 2059 for (i = 0; i < num_entries; i++, event_phy_change++, phy_change++) { 2060 phy_change->dev_handle = le16toh(event_phy_change-> 2061 AttachedDevHandle); 2062 phy_change->reason = event_phy_change->PhyStatus & 2063 MPI2_EVENT_SAS_TOPO_RC_MASK; 2064 } 2065 _mapping_update_missing_count(sc, &topo_change); 2066 _mapping_get_dev_info(sc, &topo_change); 2067 _mapping_clear_removed_entries(sc); 2068 _mapping_add_new_device(sc, &topo_change); 2069 2070 out: 2071 free(topo_change.phy_details, M_MPR); 2072 _mapping_flush_dpm_pages(sc); 2073 if (sc->pending_map_events) 2074 sc->pending_map_events--; 2075 } 2076 2077 /** 2078 * _mapping_check_update_ir_mt_idx - Check and update IR map table index 2079 * @sc: per adapter object 2080 * @event_data: event data payload 2081 * @evt_idx: current event index 2082 * @map_idx: current index and the place holder for new map table index 2083 * @wwid_table: world wide name for volumes in the element table 2084 * 2085 * pass through IR events and find whether any events matches and if so 2086 * tries to find new index if not returns failure 2087 * 2088 * Returns 0 on success and 1 on failure 2089 */ 2090 static int 2091 _mapping_check_update_ir_mt_idx(struct mpr_softc *sc, 2092 Mpi2EventDataIrConfigChangeList_t *event_data, int evt_idx, u32 *map_idx, 2093 u64 *wwid_table) 2094 { 2095 struct dev_mapping_table *mt_entry; 2096 u32 st_idx, end_idx, mt_idx = *map_idx; 2097 u8 match = 0; 2098 Mpi2EventIrConfigElement_t *element; 2099 u16 element_flags; 2100 int i; 2101 2102 mt_entry = &sc->mapping_table[mt_idx]; 2103 _mapping_get_ir_maprange(sc, &st_idx, &end_idx); 2104 search_again: 2105 match = 0; 2106 for (i = evt_idx + 1; i < event_data->NumElements; i++) { 2107 element = (Mpi2EventIrConfigElement_t *) 2108 &event_data->ConfigElement[i]; 2109 element_flags = le16toh(element->ElementFlags); 2110 if ((element_flags & 2111 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK) != 2112 MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT) 2113 continue; 2114 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_ADDED || 2115 element->ReasonCode == 2116 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) { 2117 if (mt_entry->physical_id == wwid_table[i]) { 2118 match = 1; 2119 break; 2120 } 2121 } 2122 } 2123 2124 if (match) { 2125 do { 2126 mt_idx++; 2127 if (mt_idx > end_idx) 2128 return 1; 2129 mt_entry = &sc->mapping_table[mt_idx]; 2130 } while (mt_entry->device_info & MPR_MAP_IN_USE); 2131 goto search_again; 2132 } 2133 *map_idx = mt_idx; 2134 return 0; 2135 } 2136 2137 /** 2138 * mpr_mapping_ir_config_change_event - handle IR config change list events 2139 * @sc: per adapter object 2140 * @event_data: event data payload 2141 * 2142 * Returns nothing. 2143 */ 2144 void 2145 mpr_mapping_ir_config_change_event(struct mpr_softc *sc, 2146 Mpi2EventDataIrConfigChangeList_t *event_data) 2147 { 2148 Mpi2EventIrConfigElement_t *element; 2149 int i; 2150 u64 *wwid_table; 2151 u32 map_idx, flags; 2152 struct dev_mapping_table *mt_entry; 2153 u16 element_flags; 2154 u8 log_full_error = 0; 2155 2156 wwid_table = malloc(sizeof(u64) * event_data->NumElements, M_MPR, 2157 M_NOWAIT | M_ZERO); 2158 if (!wwid_table) 2159 goto out; 2160 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; 2161 flags = le32toh(event_data->Flags); 2162 for (i = 0; i < event_data->NumElements; i++, element++) { 2163 element_flags = le16toh(element->ElementFlags); 2164 if ((element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_ADDED) && 2165 (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_REMOVED) && 2166 (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE) 2167 && (element->ReasonCode != 2168 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED)) 2169 continue; 2170 if ((element_flags & 2171 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK) == 2172 MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT) { 2173 mpr_config_get_volume_wwid(sc, 2174 le16toh(element->VolDevHandle), &wwid_table[i]); 2175 map_idx = _mapping_get_ir_mt_idx_from_wwid(sc, 2176 wwid_table[i]); 2177 if (map_idx != MPR_MAPTABLE_BAD_IDX) { 2178 mt_entry = &sc->mapping_table[map_idx]; 2179 mt_entry->device_info |= MPR_MAP_IN_USE; 2180 } 2181 } 2182 } 2183 if (flags == MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) 2184 goto out; 2185 else { 2186 element = (Mpi2EventIrConfigElement_t *)&event_data-> 2187 ConfigElement[0]; 2188 for (i = 0; i < event_data->NumElements; i++, element++) { 2189 if (element->ReasonCode == 2190 MPI2_EVENT_IR_CHANGE_RC_ADDED || 2191 element->ReasonCode == 2192 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) { 2193 map_idx = _mapping_get_ir_mt_idx_from_wwid 2194 (sc, wwid_table[i]); 2195 if (map_idx != MPR_MAPTABLE_BAD_IDX) { 2196 mt_entry = &sc->mapping_table[map_idx]; 2197 mt_entry->channel = MPR_RAID_CHANNEL; 2198 mt_entry->id = map_idx; 2199 mt_entry->dev_handle = le16toh 2200 (element->VolDevHandle); 2201 mt_entry->device_info = 2202 MPR_DEV_RESERVED | MPR_MAP_IN_USE; 2203 _mapping_update_ir_missing_cnt(sc, 2204 map_idx, element, wwid_table[i]); 2205 continue; 2206 } 2207 map_idx = _mapping_get_free_ir_mt_idx(sc); 2208 if (map_idx == MPR_MAPTABLE_BAD_IDX) 2209 log_full_error = 1; 2210 else if (i < (event_data->NumElements - 1)) { 2211 log_full_error = 2212 _mapping_check_update_ir_mt_idx 2213 (sc, event_data, i, &map_idx, 2214 wwid_table); 2215 } 2216 if (log_full_error) { 2217 printf("%s: no space to add the RAID " 2218 "volume with handle 0x%04x in " 2219 "mapping table\n", __func__, le16toh 2220 (element->VolDevHandle)); 2221 continue; 2222 } 2223 mt_entry = &sc->mapping_table[map_idx]; 2224 mt_entry->physical_id = wwid_table[i]; 2225 mt_entry->channel = MPR_RAID_CHANNEL; 2226 mt_entry->id = map_idx; 2227 mt_entry->dev_handle = le16toh(element-> 2228 VolDevHandle); 2229 mt_entry->device_info = MPR_DEV_RESERVED | 2230 MPR_MAP_IN_USE; 2231 mt_entry->init_complete = 0; 2232 _mapping_update_ir_missing_cnt(sc, map_idx, 2233 element, wwid_table[i]); 2234 } else if (element->ReasonCode == 2235 MPI2_EVENT_IR_CHANGE_RC_REMOVED) { 2236 map_idx = _mapping_get_ir_mt_idx_from_wwid(sc, 2237 wwid_table[i]); 2238 if (map_idx == MPR_MAPTABLE_BAD_IDX) { 2239 printf("%s: failed to remove a volume " 2240 "because it has already been " 2241 "removed\n", __func__); 2242 continue; 2243 } 2244 _mapping_update_ir_missing_cnt(sc, map_idx, 2245 element, wwid_table[i]); 2246 } else if (element->ReasonCode == 2247 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED) { 2248 map_idx = _mapping_get_mt_idx_from_handle(sc, 2249 le16toh(element->VolDevHandle)); 2250 if (map_idx == MPR_MAPTABLE_BAD_IDX) { 2251 printf("%s: failed to remove volume " 2252 "with handle 0x%04x because it has " 2253 "already been removed\n", __func__, 2254 le16toh(element->VolDevHandle)); 2255 continue; 2256 } 2257 mt_entry = &sc->mapping_table[map_idx]; 2258 _mapping_update_ir_missing_cnt(sc, map_idx, 2259 element, mt_entry->physical_id); 2260 } 2261 } 2262 } 2263 2264 out: 2265 _mapping_flush_dpm_pages(sc); 2266 free(wwid_table, M_MPR); 2267 if (sc->pending_map_events) 2268 sc->pending_map_events--; 2269 } 2270