2 * Copyright (c) 2011-2015 LSI Corp.
3 * Copyright (c) 2013-2015 Avago Technologies
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
33 /* TODO Move headers to mpsvar */
34 #include <sys/types.h>
35 #include <sys/param.h>
37 #include <sys/mutex.h>
38 #include <sys/systm.h>
39 #include <sys/kernel.h>
40 #include <sys/malloc.h>
41 #include <sys/kthread.h>
42 #include <sys/taskqueue.h>
44 #include <sys/endian.h>
45 #include <sys/sysctl.h>
47 #include <sys/eventhandler.h>
49 #include <machine/bus.h>
50 #include <machine/resource.h>
51 #include <dev/mps/mpi/mpi2_type.h>
52 #include <dev/mps/mpi/mpi2.h>
53 #include <dev/mps/mpi/mpi2_ioc.h>
54 #include <dev/mps/mpi/mpi2_sas.h>
55 #include <dev/mps/mpi/mpi2_cnfg.h>
56 #include <dev/mps/mpi/mpi2_init.h>
57 #include <dev/mps/mpi/mpi2_tool.h>
58 #include <dev/mps/mps_ioctl.h>
59 #include <dev/mps/mpsvar.h>
60 #include <dev/mps/mps_mapping.h>
63 * _mapping_clear_map_entry - Clear a particular mapping entry.
64 * @map_entry: map table entry
69 _mapping_clear_map_entry(struct dev_mapping_table *map_entry)
71 map_entry->physical_id = 0;
72 map_entry->device_info = 0;
73 map_entry->phy_bits = 0;
74 map_entry->dpm_entry_num = MPS_DPM_BAD_IDX;
75 map_entry->dev_handle = 0;
77 map_entry->missing_count = 0;
78 map_entry->init_complete = 0;
79 map_entry->TLR_bits = (u8)MPI2_SCSIIO_CONTROL_NO_TLR;
83 * _mapping_clear_enc_entry - Clear a particular enclosure table entry.
84 * @enc_entry: enclosure table entry
89 _mapping_clear_enc_entry(struct enc_mapping_table *enc_entry)
91 enc_entry->enclosure_id = 0;
92 enc_entry->start_index = MPS_MAPTABLE_BAD_IDX;
93 enc_entry->phy_bits = 0;
94 enc_entry->dpm_entry_num = MPS_DPM_BAD_IDX;
95 enc_entry->enc_handle = 0;
96 enc_entry->num_slots = 0;
97 enc_entry->start_slot = 0;
98 enc_entry->missing_count = 0;
99 enc_entry->removal_flag = 0;
100 enc_entry->skip_search = 0;
101 enc_entry->init_complete = 0;
105 * _mapping_commit_enc_entry - write a particular enc entry in DPM page0.
106 * @sc: per adapter object
107 * @enc_entry: enclosure table entry
109 * Returns 0 for success, non-zero for failure.
112 _mapping_commit_enc_entry(struct mps_softc *sc,
113 struct enc_mapping_table *et_entry)
115 Mpi2DriverMap0Entry_t *dpm_entry;
116 struct dev_mapping_table *mt_entry;
117 Mpi2ConfigReply_t mpi_reply;
118 Mpi2DriverMappingPage0_t config_page;
120 if (!sc->is_dpm_enable)
123 memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t));
124 memcpy(&config_page.Header, (u8 *) sc->dpm_pg0,
125 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
126 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
127 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
128 dpm_entry += et_entry->dpm_entry_num;
129 dpm_entry->PhysicalIdentifier.Low =
130 ( 0xFFFFFFFF & et_entry->enclosure_id);
131 dpm_entry->PhysicalIdentifier.High =
132 ( et_entry->enclosure_id >> 32);
133 mt_entry = &sc->mapping_table[et_entry->start_index];
134 dpm_entry->DeviceIndex = htole16(mt_entry->id);
135 dpm_entry->MappingInformation = et_entry->num_slots;
136 dpm_entry->MappingInformation <<= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
137 dpm_entry->MappingInformation |= et_entry->missing_count;
138 dpm_entry->MappingInformation = htole16(dpm_entry->MappingInformation);
139 dpm_entry->PhysicalBitsMapping = htole32(et_entry->phy_bits);
140 dpm_entry->Reserved1 = 0;
142 mps_dprint(sc, MPS_MAPPING, "%s: Writing DPM entry %d for enclosure.\n",
143 __func__, et_entry->dpm_entry_num);
144 memcpy(&config_page.Entry, (u8 *)dpm_entry,
145 sizeof(Mpi2DriverMap0Entry_t));
146 if (mps_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
147 et_entry->dpm_entry_num)) {
148 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: Write of DPM "
149 "entry %d for enclosure failed.\n", __func__,
150 et_entry->dpm_entry_num);
151 dpm_entry->MappingInformation = le16toh(dpm_entry->
153 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
154 dpm_entry->PhysicalBitsMapping =
155 le32toh(dpm_entry->PhysicalBitsMapping);
158 dpm_entry->MappingInformation = le16toh(dpm_entry->
160 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
161 dpm_entry->PhysicalBitsMapping =
162 le32toh(dpm_entry->PhysicalBitsMapping);
167 * _mapping_commit_map_entry - write a particular map table entry in DPM page0.
168 * @sc: per adapter object
169 * @mt_entry: mapping table entry
171 * Returns 0 for success, non-zero for failure.
175 _mapping_commit_map_entry(struct mps_softc *sc,
176 struct dev_mapping_table *mt_entry)
178 Mpi2DriverMap0Entry_t *dpm_entry;
179 Mpi2ConfigReply_t mpi_reply;
180 Mpi2DriverMappingPage0_t config_page;
182 if (!sc->is_dpm_enable)
186 * It's possible that this Map Entry points to a BAD DPM index. This
187 * can happen if the Map Entry is a for a missing device and the DPM
188 * entry that was being used by this device is now being used by some
189 * new device. So, check for a BAD DPM index and just return if so.
191 if (mt_entry->dpm_entry_num == MPS_DPM_BAD_IDX) {
192 mps_dprint(sc, MPS_MAPPING, "%s: DPM entry location for target "
193 "%d is invalid. DPM will not be written.\n", __func__,
198 memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t));
199 memcpy(&config_page.Header, (u8 *)sc->dpm_pg0,
200 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
201 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *) sc->dpm_pg0 +
202 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
203 dpm_entry = dpm_entry + mt_entry->dpm_entry_num;
204 dpm_entry->PhysicalIdentifier.Low = (0xFFFFFFFF &
205 mt_entry->physical_id);
206 dpm_entry->PhysicalIdentifier.High = (mt_entry->physical_id >> 32);
207 dpm_entry->DeviceIndex = htole16(mt_entry->id);
208 dpm_entry->MappingInformation = htole16(mt_entry->missing_count);
209 dpm_entry->PhysicalBitsMapping = 0;
210 dpm_entry->Reserved1 = 0;
211 memcpy(&config_page.Entry, (u8 *)dpm_entry,
212 sizeof(Mpi2DriverMap0Entry_t));
214 mps_dprint(sc, MPS_MAPPING, "%s: Writing DPM entry %d for target %d.\n",
215 __func__, mt_entry->dpm_entry_num, mt_entry->id);
216 if (mps_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
217 mt_entry->dpm_entry_num)) {
218 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: Write of DPM "
219 "entry %d for target %d failed.\n", __func__,
220 mt_entry->dpm_entry_num, mt_entry->id);
221 dpm_entry->MappingInformation = le16toh(dpm_entry->
223 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
227 dpm_entry->MappingInformation = le16toh(dpm_entry->MappingInformation);
228 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
233 * _mapping_get_ir_maprange - get start and end index for IR map range.
234 * @sc: per adapter object
235 * @start_idx: place holder for start index
236 * @end_idx: place holder for end index
238 * The IR volumes can be mapped either at start or end of the mapping table
239 * this function gets the detail of where IR volume mapping starts and ends
240 * in the device mapping table
245 _mapping_get_ir_maprange(struct mps_softc *sc, u32 *start_idx, u32 *end_idx)
247 u16 volume_mapping_flags;
248 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
250 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
251 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
252 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
254 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
257 *start_idx = sc->max_devices - sc->max_volumes;
258 *end_idx = *start_idx + sc->max_volumes - 1;
262 * _mapping_get_enc_idx_from_id - get enclosure index from enclosure ID
263 * @sc: per adapter object
264 * @enc_id: enclosure logical identifier
266 * Returns the index of enclosure entry on success or bad index.
269 _mapping_get_enc_idx_from_id(struct mps_softc *sc, u64 enc_id,
272 struct enc_mapping_table *et_entry;
275 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) {
276 et_entry = &sc->enclosure_table[enc_idx];
277 if ((et_entry->enclosure_id == le64toh(enc_id)) &&
278 (!et_entry->phy_bits || (et_entry->phy_bits &
282 return MPS_ENCTABLE_BAD_IDX;
286 * _mapping_get_enc_idx_from_handle - get enclosure index from handle
287 * @sc: per adapter object
288 * @enc_id: enclosure handle
290 * Returns the index of enclosure entry on success or bad index.
293 _mapping_get_enc_idx_from_handle(struct mps_softc *sc, u16 handle)
295 struct enc_mapping_table *et_entry;
298 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) {
299 et_entry = &sc->enclosure_table[enc_idx];
300 if (et_entry->missing_count)
302 if (et_entry->enc_handle == handle)
305 return MPS_ENCTABLE_BAD_IDX;
309 * _mapping_get_high_missing_et_idx - get missing enclosure index
310 * @sc: per adapter object
312 * Search through the enclosure table and identifies the enclosure entry
313 * with high missing count and returns it's index
315 * Returns the index of enclosure entry on success or bad index.
318 _mapping_get_high_missing_et_idx(struct mps_softc *sc)
320 struct enc_mapping_table *et_entry;
321 u8 high_missing_count = 0;
322 u8 enc_idx, high_idx = MPS_ENCTABLE_BAD_IDX;
324 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) {
325 et_entry = &sc->enclosure_table[enc_idx];
326 if ((et_entry->missing_count > high_missing_count) &&
327 !et_entry->skip_search) {
328 high_missing_count = et_entry->missing_count;
336 * _mapping_get_high_missing_mt_idx - get missing map table index
337 * @sc: per adapter object
339 * Search through the map table and identifies the device entry
340 * with high missing count and returns it's index
342 * Returns the index of map table entry on success or bad index.
345 _mapping_get_high_missing_mt_idx(struct mps_softc *sc)
347 u32 map_idx, high_idx = MPS_MAPTABLE_BAD_IDX;
348 u8 high_missing_count = 0;
349 u32 start_idx, end_idx, start_idx_ir, end_idx_ir;
350 struct dev_mapping_table *mt_entry;
351 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
356 end_idx = sc->max_devices;
357 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
359 if (sc->ir_firmware) {
360 _mapping_get_ir_maprange(sc, &start_idx_ir, &end_idx_ir);
361 if (start_idx == start_idx_ir)
362 start_idx = end_idx_ir + 1;
364 end_idx = start_idx_ir;
366 mt_entry = &sc->mapping_table[start_idx];
367 for (map_idx = start_idx; map_idx < end_idx; map_idx++, mt_entry++) {
368 if (mt_entry->missing_count > high_missing_count) {
369 high_missing_count = mt_entry->missing_count;
377 * _mapping_get_ir_mt_idx_from_wwid - get map table index from volume WWID
378 * @sc: per adapter object
379 * @wwid: world wide unique ID of the volume
381 * Returns the index of map table entry on success or bad index.
384 _mapping_get_ir_mt_idx_from_wwid(struct mps_softc *sc, u64 wwid)
386 u32 start_idx, end_idx, map_idx;
387 struct dev_mapping_table *mt_entry;
389 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
390 mt_entry = &sc->mapping_table[start_idx];
391 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)
392 if (mt_entry->physical_id == wwid)
395 return MPS_MAPTABLE_BAD_IDX;
399 * _mapping_get_mt_idx_from_id - get map table index from a device ID
400 * @sc: per adapter object
401 * @dev_id: device identifer (SAS Address)
403 * Returns the index of map table entry on success or bad index.
406 _mapping_get_mt_idx_from_id(struct mps_softc *sc, u64 dev_id)
409 struct dev_mapping_table *mt_entry;
411 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
412 mt_entry = &sc->mapping_table[map_idx];
413 if (mt_entry->physical_id == dev_id)
416 return MPS_MAPTABLE_BAD_IDX;
420 * _mapping_get_ir_mt_idx_from_handle - get map table index from volume handle
421 * @sc: per adapter object
422 * @wwid: volume device handle
424 * Returns the index of map table entry on success or bad index.
427 _mapping_get_ir_mt_idx_from_handle(struct mps_softc *sc, u16 volHandle)
429 u32 start_idx, end_idx, map_idx;
430 struct dev_mapping_table *mt_entry;
432 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
433 mt_entry = &sc->mapping_table[start_idx];
434 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)
435 if (mt_entry->dev_handle == volHandle)
438 return MPS_MAPTABLE_BAD_IDX;
442 * _mapping_get_mt_idx_from_handle - get map table index from handle
443 * @sc: per adapter object
444 * @dev_id: device handle
446 * Returns the index of map table entry on success or bad index.
449 _mapping_get_mt_idx_from_handle(struct mps_softc *sc, u16 handle)
452 struct dev_mapping_table *mt_entry;
454 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
455 mt_entry = &sc->mapping_table[map_idx];
456 if (mt_entry->dev_handle == handle)
459 return MPS_MAPTABLE_BAD_IDX;
463 * _mapping_get_free_ir_mt_idx - get first free index for a volume
464 * @sc: per adapter object
466 * Search through mapping table for free index for a volume and if no free
467 * index then looks for a volume with high mapping index
469 * Returns the index of map table entry on success or bad index.
472 _mapping_get_free_ir_mt_idx(struct mps_softc *sc)
474 u8 high_missing_count = 0;
475 u32 start_idx, end_idx, map_idx;
476 u32 high_idx = MPS_MAPTABLE_BAD_IDX;
477 struct dev_mapping_table *mt_entry;
480 * The IN_USE flag should be clear if the entry is available to use.
481 * This flag is cleared on initialization and and when a volume is
482 * deleted. All other times this flag should be set. If, for some
483 * reason, a free entry cannot be found, look for the entry with the
484 * highest missing count just in case there is one.
486 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
488 mt_entry = &sc->mapping_table[start_idx];
489 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) {
490 if (!(mt_entry->device_info & MPS_MAP_IN_USE))
493 if (mt_entry->missing_count > high_missing_count) {
494 high_missing_count = mt_entry->missing_count;
499 if (high_idx == MPS_MAPTABLE_BAD_IDX) {
500 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: Could not find a "
501 "free entry in the mapping table for a Volume. The mapping "
502 "table is probably corrupt.\n", __func__);
509 * _mapping_get_free_mt_idx - get first free index for a device
510 * @sc: per adapter object
511 * @start_idx: offset in the table to start search
513 * Returns the index of map table entry on success or bad index.
516 _mapping_get_free_mt_idx(struct mps_softc *sc, u32 start_idx)
518 u32 map_idx, max_idx = sc->max_devices;
519 struct dev_mapping_table *mt_entry = &sc->mapping_table[start_idx];
520 u16 volume_mapping_flags;
522 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
523 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
524 if (sc->ir_firmware && (volume_mapping_flags ==
525 MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING))
526 max_idx -= sc->max_volumes;
528 for (map_idx = start_idx; map_idx < max_idx; map_idx++, mt_entry++)
529 if (!(mt_entry->device_info & (MPS_MAP_IN_USE |
533 return MPS_MAPTABLE_BAD_IDX;
537 * _mapping_get_dpm_idx_from_id - get DPM index from ID
538 * @sc: per adapter object
539 * @id: volume WWID or enclosure ID or device ID
541 * Returns the index of DPM entry on success or bad index.
544 _mapping_get_dpm_idx_from_id(struct mps_softc *sc, u64 id, u32 phy_bits)
547 uint64_t PhysicalIdentifier;
548 Mpi2DriverMap0Entry_t *dpm_entry;
550 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
551 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
552 PhysicalIdentifier = dpm_entry->PhysicalIdentifier.High;
553 PhysicalIdentifier = (PhysicalIdentifier << 32) |
554 dpm_entry->PhysicalIdentifier.Low;
555 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++,
557 if ((id == PhysicalIdentifier) &&
558 (!phy_bits || !dpm_entry->PhysicalBitsMapping ||
559 (phy_bits & dpm_entry->PhysicalBitsMapping)))
562 return MPS_DPM_BAD_IDX;
567 * _mapping_get_free_dpm_idx - get first available DPM index
568 * @sc: per adapter object
570 * Returns the index of DPM entry on success or bad index.
573 _mapping_get_free_dpm_idx(struct mps_softc *sc)
576 Mpi2DriverMap0Entry_t *dpm_entry;
577 u16 current_entry = MPS_DPM_BAD_IDX, missing_cnt, high_missing_cnt = 0;
579 struct dev_mapping_table *mt_entry;
582 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) {
583 dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 +
584 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
585 dpm_entry += entry_num;
586 missing_cnt = dpm_entry->MappingInformation &
587 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
590 * If entry is used and not missing, then this entry can't be
591 * used. Look at next one.
593 if (sc->dpm_entry_used[entry_num] && !missing_cnt)
597 * If this entry is not used at all, then the missing count
598 * doesn't matter. Just use this one. Otherwise, keep looking
599 * and make sure the entry with the highest missing count is
602 if (!sc->dpm_entry_used[entry_num]) {
603 current_entry = entry_num;
606 if ((current_entry == MPS_DPM_BAD_IDX) ||
607 (missing_cnt > high_missing_cnt)) {
608 current_entry = entry_num;
609 high_missing_cnt = missing_cnt;
614 * If an entry has been found to use and it's already marked as used
615 * it means that some device was already using this entry but it's
616 * missing, and that means that the connection between the missing
617 * device's DPM entry and the mapping table needs to be cleared. To do
618 * this, use the Physical ID of the old device still in the DPM entry
619 * to find its mapping table entry, then mark its DPM entry as BAD.
621 if ((current_entry != MPS_DPM_BAD_IDX) &&
622 sc->dpm_entry_used[current_entry]) {
623 dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 +
624 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
625 dpm_entry += current_entry;
626 physical_id = dpm_entry->PhysicalIdentifier.High;
627 physical_id = (physical_id << 32) |
628 dpm_entry->PhysicalIdentifier.Low;
629 map_idx = _mapping_get_mt_idx_from_id(sc, physical_id);
630 if (map_idx != MPS_MAPTABLE_BAD_IDX) {
631 mt_entry = &sc->mapping_table[map_idx];
632 mt_entry->dpm_entry_num = MPS_DPM_BAD_IDX;
635 return current_entry;
639 * _mapping_update_ir_missing_cnt - Updates missing count for a volume
640 * @sc: per adapter object
641 * @map_idx: map table index of the volume
642 * @element: IR configuration change element
643 * @wwid: IR volume ID.
645 * Updates the missing count in the map table and in the DPM entry for a volume
650 _mapping_update_ir_missing_cnt(struct mps_softc *sc, u32 map_idx,
651 Mpi2EventIrConfigElement_t *element, u64 wwid)
653 struct dev_mapping_table *mt_entry;
654 u8 missing_cnt, reason = element->ReasonCode, update_dpm = 1;
656 Mpi2DriverMap0Entry_t *dpm_entry;
659 * Depending on the reason code, update the missing count. Always set
660 * the init_complete flag when here, so just do it first. That flag is
661 * used for volumes to make sure that the DPM entry has been updated.
662 * When a volume is deleted, clear the map entry's IN_USE flag so that
663 * the entry can be used again if another volume is created. Also clear
664 * its dev_handle entry so that other functions can't find this volume
665 * by the handle, since it's not defined any longer.
667 mt_entry = &sc->mapping_table[map_idx];
668 mt_entry->init_complete = 1;
669 if ((reason == MPI2_EVENT_IR_CHANGE_RC_ADDED) ||
670 (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED)) {
671 mt_entry->missing_count = 0;
672 } else if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED) {
673 if (mt_entry->missing_count < MPS_MAX_MISSING_COUNT)
674 mt_entry->missing_count++;
676 mt_entry->device_info &= ~MPS_MAP_IN_USE;
677 mt_entry->dev_handle = 0;
681 * If persistent mapping is enabled, update the DPM with the new missing
682 * count for the volume. If the DPM index is bad, get a free one. If
683 * it's bad for a volume that's being deleted do nothing because that
684 * volume doesn't have a DPM entry.
686 if (!sc->is_dpm_enable)
688 dpm_idx = mt_entry->dpm_entry_num;
689 if (dpm_idx == MPS_DPM_BAD_IDX) {
690 if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED)
692 mps_dprint(sc, MPS_MAPPING, "%s: Volume being deleted "
693 "is not in DPM so DPM missing count will not be "
694 "updated.\n", __func__);
698 if (dpm_idx == MPS_DPM_BAD_IDX)
699 dpm_idx = _mapping_get_free_dpm_idx(sc);
702 * Got the DPM entry for the volume or found a free DPM entry if this is
703 * a new volume. Check if the current information is outdated.
705 if (dpm_idx != MPS_DPM_BAD_IDX) {
706 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
707 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
708 dpm_entry += dpm_idx;
709 missing_cnt = dpm_entry->MappingInformation &
710 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
711 if ((mt_entry->physical_id ==
712 le64toh(((u64)dpm_entry->PhysicalIdentifier.High << 32) |
713 (u64)dpm_entry->PhysicalIdentifier.Low)) && (missing_cnt ==
714 mt_entry->missing_count)) {
715 mps_dprint(sc, MPS_MAPPING, "%s: DPM entry for volume "
716 "with target ID %d does not require an update.\n",
717 __func__, mt_entry->id);
723 * Update the volume's persistent info if it's new or the ID or missing
724 * count has changed. If a good DPM index has not been found by now,
725 * there is no space left in the DPM table.
727 if ((dpm_idx != MPS_DPM_BAD_IDX) && update_dpm) {
728 mps_dprint(sc, MPS_MAPPING, "%s: Update DPM entry for volume "
729 "with target ID %d.\n", __func__, mt_entry->id);
731 mt_entry->dpm_entry_num = dpm_idx;
732 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
733 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
734 dpm_entry += dpm_idx;
735 dpm_entry->PhysicalIdentifier.Low =
736 (0xFFFFFFFF & mt_entry->physical_id);
737 dpm_entry->PhysicalIdentifier.High =
738 (mt_entry->physical_id >> 32);
739 dpm_entry->DeviceIndex = map_idx;
740 dpm_entry->MappingInformation = mt_entry->missing_count;
741 dpm_entry->PhysicalBitsMapping = 0;
742 dpm_entry->Reserved1 = 0;
743 sc->dpm_flush_entry[dpm_idx] = 1;
744 sc->dpm_entry_used[dpm_idx] = 1;
745 } else if (dpm_idx == MPS_DPM_BAD_IDX) {
746 mps_dprint(sc, MPS_INFO | MPS_MAPPING, "%s: No space to add an "
747 "entry in the DPM table for volume with target ID %d.\n",
748 __func__, mt_entry->id);
753 * _mapping_add_to_removal_table - add DPM index to the removal table
754 * @sc: per adapter object
755 * @dpm_idx: Index of DPM entry to remove
757 * Adds a DPM entry number to the removal table.
762 _mapping_add_to_removal_table(struct mps_softc *sc, u16 dpm_idx)
764 struct map_removal_table *remove_entry;
768 * This is only used to remove entries from the DPM in the controller.
769 * If DPM is not enabled, just return.
771 if (!sc->is_dpm_enable)
775 * Find the first available removal_table entry and add the new entry
778 remove_entry = sc->removal_table;
780 for (i = 0; i < sc->max_devices; i++, remove_entry++) {
781 if (remove_entry->dpm_entry_num != MPS_DPM_BAD_IDX)
784 mps_dprint(sc, MPS_MAPPING, "%s: Adding DPM entry %d to table "
785 "for removal.\n", __func__, dpm_idx);
786 remove_entry->dpm_entry_num = dpm_idx;
793 * _mapping_update_missing_count - Update missing count for a device
794 * @sc: per adapter object
795 * @topo_change: Topology change event entry
797 * Increment the missing count in the mapping table for a device that is not
798 * responding. If Persitent Mapping is used, increment the DPM entry as well.
799 * Currently, this function only increments the missing count if the device
800 * goes missing, so after initialization has completed. This means that the
801 * missing count can only go from 0 to 1 here. The missing count is incremented
802 * during initialization as well, so that's where a target's missing count can
808 _mapping_update_missing_count(struct mps_softc *sc,
809 struct _map_topology_change *topo_change)
811 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
813 struct _map_phy_change *phy_change;
815 struct dev_mapping_table *mt_entry;
816 Mpi2DriverMap0Entry_t *dpm_entry;
818 for (entry = 0; entry < topo_change->num_entries; entry++) {
819 phy_change = &topo_change->phy_details[entry];
820 if (!phy_change->dev_handle || (phy_change->reason !=
821 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
823 map_idx = _mapping_get_mt_idx_from_handle(sc, phy_change->
825 phy_change->is_processed = 1;
826 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
827 mps_dprint(sc, MPS_INFO | MPS_MAPPING, "%s: device is "
828 "already removed from mapping table\n", __func__);
831 mt_entry = &sc->mapping_table[map_idx];
832 if (mt_entry->missing_count < MPS_MAX_MISSING_COUNT)
833 mt_entry->missing_count++;
836 * When using Enc/Slot mapping, when a device is removed, it's
837 * mapping table information should be cleared. Otherwise, the
838 * target ID will be incorrect if this same device is re-added
839 * to a different slot.
841 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
842 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
843 _mapping_clear_map_entry(mt_entry);
847 * When using device mapping, update the missing count in the
848 * DPM entry, but only if the missing count has changed.
850 if (((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
851 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) &&
853 mt_entry->dpm_entry_num != MPS_DPM_BAD_IDX) {
855 (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 +
856 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
857 dpm_entry += mt_entry->dpm_entry_num;
858 if (dpm_entry->MappingInformation !=
859 mt_entry->missing_count) {
860 dpm_entry->MappingInformation =
861 mt_entry->missing_count;
862 sc->dpm_flush_entry[mt_entry->dpm_entry_num] =
870 * _mapping_find_enc_map_space -find map table entries for enclosure
871 * @sc: per adapter object
872 * @et_entry: enclosure entry
874 * Search through the mapping table defragment it and provide contiguous
875 * space in map table for a particular enclosure entry
877 * Returns start index in map table or bad index.
880 _mapping_find_enc_map_space(struct mps_softc *sc,
881 struct enc_mapping_table *et_entry)
883 u16 vol_mapping_flags;
884 u32 skip_count, end_of_table, map_idx, enc_idx;
886 u32 start_idx = MPS_MAPTABLE_BAD_IDX;
887 struct dev_mapping_table *mt_entry;
888 struct enc_mapping_table *enc_entry;
889 unsigned char done_flag = 0, found_space;
890 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
892 skip_count = sc->num_rsvd_entries;
895 vol_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
896 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
899 * The end of the mapping table depends on where volumes are kept, if
902 if (!sc->ir_firmware)
903 end_of_table = sc->max_devices;
904 else if (vol_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING)
905 end_of_table = sc->max_devices;
907 end_of_table = sc->max_devices - sc->max_volumes;
910 * The skip_count is the number of entries that are reserved at the
911 * beginning of the mapping table. But, it does not include the number
912 * of Physical IDs that are reserved for direct attached devices. Look
913 * through the mapping table after these reserved entries to see if
914 * the devices for this enclosure are already mapped. The PHY bit check
915 * is used to make sure that at least one PHY bit is common between the
916 * enclosure and the device that is already mapped.
918 mps_dprint(sc, MPS_MAPPING, "%s: Looking for space in the mapping "
919 "table for added enclosure.\n", __func__);
920 for (map_idx = (max_num_phy_ids + skip_count);
921 map_idx < end_of_table; map_idx++) {
922 mt_entry = &sc->mapping_table[map_idx];
923 if ((et_entry->enclosure_id == mt_entry->physical_id) &&
924 (!mt_entry->phy_bits || (mt_entry->phy_bits &
925 et_entry->phy_bits))) {
927 if (num_found == et_entry->num_slots) {
928 start_idx = (map_idx - num_found) + 1;
929 mps_dprint(sc, MPS_MAPPING, "%s: Found space "
930 "in the mapping for enclosure at map index "
931 "%d.\n", __func__, start_idx);
939 * If the enclosure's devices are not mapped already, look for
940 * contiguous entries in the mapping table that are not reserved. If
941 * enough entries are found, return the starting index for that space.
944 for (map_idx = (max_num_phy_ids + skip_count);
945 map_idx < end_of_table; map_idx++) {
946 mt_entry = &sc->mapping_table[map_idx];
947 if (!(mt_entry->device_info & MPS_DEV_RESERVED)) {
949 if (num_found == et_entry->num_slots) {
950 start_idx = (map_idx - num_found) + 1;
951 mps_dprint(sc, MPS_MAPPING, "%s: Found space "
952 "in the mapping for enclosure at map index "
953 "%d.\n", __func__, start_idx);
961 * If here, it means that not enough space in the mapping table was
962 * found to support this enclosure, so go through the enclosure table to
963 * see if any enclosure entries have a missing count. If so, get the
964 * enclosure with the highest missing count and check it to see if there
965 * is enough space for the new enclosure.
968 enc_idx = _mapping_get_high_missing_et_idx(sc);
969 if (enc_idx == MPS_ENCTABLE_BAD_IDX) {
970 mps_dprint(sc, MPS_MAPPING, "%s: Not enough space was "
971 "found in the mapping for the added enclosure.\n",
973 return MPS_MAPTABLE_BAD_IDX;
977 * Found a missing enclosure. Set the skip_search flag so this
978 * enclosure is not checked again for a high missing count if
979 * the loop continues. This way, all missing enclosures can
980 * have their space added together to find enough space in the
981 * mapping table for the added enclosure. The space must be
984 mps_dprint(sc, MPS_MAPPING, "%s: Space from a missing "
985 "enclosure was found.\n", __func__);
986 enc_entry = &sc->enclosure_table[enc_idx];
987 enc_entry->skip_search = 1;
990 * Unmark all of the missing enclosure's device's reserved
991 * space. These will be remarked as reserved if this missing
992 * enclosure's space is not used.
994 mps_dprint(sc, MPS_MAPPING, "%s: Clear the reserved flag for "
995 "all of the map entries for the enclosure.\n", __func__);
996 mt_entry = &sc->mapping_table[enc_entry->start_index];
997 for (map_idx = enc_entry->start_index; map_idx <
998 (enc_entry->start_index + enc_entry->num_slots); map_idx++,
1000 mt_entry->device_info &= ~MPS_DEV_RESERVED;
1003 * Now that space has been unreserved, check again to see if
1004 * enough space is available for the new enclosure.
1006 mps_dprint(sc, MPS_MAPPING, "%s: Check if new mapping space is "
1007 "enough for the new enclosure.\n", __func__);
1010 for (map_idx = (max_num_phy_ids + skip_count);
1011 map_idx < end_of_table; map_idx++) {
1012 mt_entry = &sc->mapping_table[map_idx];
1013 if (!(mt_entry->device_info & MPS_DEV_RESERVED)) {
1015 if (num_found == et_entry->num_slots) {
1016 start_idx = (map_idx - num_found) + 1;
1027 * If enough space was found, all of the missing enclosures that
1028 * will be used for the new enclosure must be added to the
1029 * removal table. Then all mappings for the enclosure's devices
1030 * and for the enclosure itself need to be cleared. There may be
1031 * more than one enclosure to add to the removal table and
1034 mps_dprint(sc, MPS_MAPPING, "%s: Found space in the mapping "
1035 "for enclosure at map index %d.\n", __func__, start_idx);
1036 for (map_idx = start_idx; map_idx < (start_idx + num_found);
1038 enc_entry = sc->enclosure_table;
1039 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries;
1040 enc_idx++, enc_entry++) {
1041 if (map_idx < enc_entry->start_index ||
1042 map_idx > (enc_entry->start_index +
1043 enc_entry->num_slots))
1045 if (!enc_entry->removal_flag) {
1046 mps_dprint(sc, MPS_MAPPING, "%s: "
1047 "Enclosure %d will be removed from "
1048 "the mapping table.\n", __func__,
1050 enc_entry->removal_flag = 1;
1051 _mapping_add_to_removal_table(sc,
1052 enc_entry->dpm_entry_num);
1054 mt_entry = &sc->mapping_table[map_idx];
1055 _mapping_clear_map_entry(mt_entry);
1056 if (map_idx == (enc_entry->start_index +
1057 enc_entry->num_slots - 1))
1058 _mapping_clear_enc_entry(et_entry);
1063 * During the search for space for this enclosure, some entries
1064 * in the mapping table may have been unreserved. Go back and
1065 * change all of these to reserved again. Only the enclosures
1066 * with the removal_flag set should be left as unreserved. The
1067 * skip_search flag needs to be cleared as well so that the
1068 * enclosure's space will be looked at the next time space is
1071 enc_entry = sc->enclosure_table;
1072 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries;
1073 enc_idx++, enc_entry++) {
1074 if (!enc_entry->removal_flag) {
1075 mps_dprint(sc, MPS_MAPPING, "%s: Reset the "
1076 "reserved flag for all of the map entries "
1077 "for enclosure %d.\n", __func__, enc_idx);
1078 mt_entry = &sc->mapping_table[enc_entry->
1080 for (map_idx = enc_entry->start_index; map_idx <
1081 (enc_entry->start_index +
1082 enc_entry->num_slots); map_idx++,
1084 mt_entry->device_info |=
1086 et_entry->skip_search = 0;
1095 * _mapping_get_dev_info -get information about newly added devices
1096 * @sc: per adapter object
1097 * @topo_change: Topology change event entry
1099 * Search through the topology change event list and issues sas device pg0
1100 * requests for the newly added device and reserved entries in tables
1105 _mapping_get_dev_info(struct mps_softc *sc,
1106 struct _map_topology_change *topo_change)
1108 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1109 Mpi2ConfigReply_t mpi_reply;
1110 Mpi2SasDevicePage0_t sas_device_pg0;
1111 u8 entry, enc_idx, phy_idx;
1112 u32 map_idx, index, device_info;
1113 struct _map_phy_change *phy_change, *tmp_phy_change;
1114 uint64_t sas_address;
1115 struct enc_mapping_table *et_entry;
1116 struct dev_mapping_table *mt_entry;
1117 u8 add_code = MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED;
1120 for (entry = 0; entry < topo_change->num_entries; entry++) {
1121 phy_change = &topo_change->phy_details[entry];
1122 if (phy_change->is_processed || !phy_change->dev_handle ||
1123 phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED)
1126 if (mps_config_get_sas_device_pg0(sc, &mpi_reply,
1127 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
1128 phy_change->dev_handle)) {
1129 phy_change->is_processed = 1;
1134 * Always get SATA Identify information because this is used
1135 * to determine if Start/Stop Unit should be sent to the drive
1136 * when the system is shutdown.
1138 device_info = le32toh(sas_device_pg0.DeviceInfo);
1139 sas_address = le32toh(sas_device_pg0.SASAddress.High);
1140 sas_address = (sas_address << 32) |
1141 le32toh(sas_device_pg0.SASAddress.Low);
1142 if ((device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE) &&
1143 (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)) {
1144 rc = mpssas_get_sas_address_for_sata_disk(sc,
1145 &sas_address, phy_change->dev_handle, device_info,
1146 &phy_change->is_SATA_SSD);
1148 mps_dprint(sc, MPS_ERROR, "%s: failed to get "
1149 "disk type (SSD or HDD) and SAS Address "
1150 "for SATA device with handle 0x%04x\n",
1151 __func__, phy_change->dev_handle);
1155 phy_change->physical_id = sas_address;
1156 phy_change->slot = le16toh(sas_device_pg0.Slot);
1157 phy_change->device_info = device_info;
1160 * When using Enc/Slot mapping, if this device is an enclosure
1161 * make sure that all of its slots can fit into the mapping
1164 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1165 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1167 * The enclosure should already be in the enclosure
1168 * table due to the Enclosure Add event. If not, just
1169 * continue, nothing can be done.
1171 enc_idx = _mapping_get_enc_idx_from_handle(sc,
1172 topo_change->enc_handle);
1173 if (enc_idx == MPS_ENCTABLE_BAD_IDX) {
1174 phy_change->is_processed = 1;
1175 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: "
1176 "failed to add the device with handle "
1177 "0x%04x because the enclosure is not in "
1178 "the mapping table\n", __func__,
1179 phy_change->dev_handle);
1182 if (!((phy_change->device_info &
1183 MPI2_SAS_DEVICE_INFO_END_DEVICE) &&
1184 (phy_change->device_info &
1185 (MPI2_SAS_DEVICE_INFO_SSP_TARGET |
1186 MPI2_SAS_DEVICE_INFO_STP_TARGET |
1187 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))) {
1188 phy_change->is_processed = 1;
1191 et_entry = &sc->enclosure_table[enc_idx];
1194 * If the enclosure already has a start_index, it's been
1195 * mapped, so go to the next Topo change.
1197 if (et_entry->start_index != MPS_MAPTABLE_BAD_IDX)
1201 * If the Expander Handle is 0, the devices are direct
1202 * attached. In that case, the start_index must be just
1203 * after the reserved entries. Otherwise, find space in
1204 * the mapping table for the enclosure's devices.
1206 if (!topo_change->exp_handle) {
1207 map_idx = sc->num_rsvd_entries;
1208 et_entry->start_index = map_idx;
1210 map_idx = _mapping_find_enc_map_space(sc,
1212 et_entry->start_index = map_idx;
1215 * If space cannot be found to hold all of the
1216 * enclosure's devices in the mapping table,
1217 * there's no need to continue checking the
1218 * other devices in this event. Set all of the
1219 * phy_details for this event (if the change is
1220 * for an add) as already processed because none
1221 * of these devices can be added to the mapping
1224 if (et_entry->start_index ==
1225 MPS_MAPTABLE_BAD_IDX) {
1226 mps_dprint(sc, MPS_ERROR | MPS_MAPPING,
1227 "%s: failed to add the enclosure "
1228 "with ID 0x%016jx because there is "
1229 "no free space available in the "
1230 "mapping table for all of the "
1231 "enclosure's devices.\n", __func__,
1232 (uintmax_t)et_entry->enclosure_id);
1233 phy_change->is_processed = 1;
1234 for (phy_idx = 0; phy_idx <
1235 topo_change->num_entries;
1238 &topo_change->phy_details
1240 if (tmp_phy_change->reason ==
1250 * Found space in the mapping table for this enclosure.
1251 * Initialize each mapping table entry for the
1254 mps_dprint(sc, MPS_MAPPING, "%s: Initialize %d map "
1255 "entries for the enclosure, starting at map index "
1256 " %d.\n", __func__, et_entry->num_slots, map_idx);
1257 mt_entry = &sc->mapping_table[map_idx];
1258 for (index = map_idx; index < (et_entry->num_slots
1259 + map_idx); index++, mt_entry++) {
1260 mt_entry->device_info = MPS_DEV_RESERVED;
1261 mt_entry->physical_id = et_entry->enclosure_id;
1262 mt_entry->phy_bits = et_entry->phy_bits;
1263 mt_entry->missing_count = 0;
1270 * _mapping_set_mid_to_eid -set map table data from enclosure table
1271 * @sc: per adapter object
1272 * @et_entry: enclosure entry
1277 _mapping_set_mid_to_eid(struct mps_softc *sc,
1278 struct enc_mapping_table *et_entry)
1280 struct dev_mapping_table *mt_entry;
1281 u16 slots = et_entry->num_slots, map_idx;
1282 u32 start_idx = et_entry->start_index;
1284 if (start_idx != MPS_MAPTABLE_BAD_IDX) {
1285 mt_entry = &sc->mapping_table[start_idx];
1286 for (map_idx = 0; map_idx < slots; map_idx++, mt_entry++)
1287 mt_entry->physical_id = et_entry->enclosure_id;
1292 * _mapping_clear_removed_entries - mark the entries to be cleared
1293 * @sc: per adapter object
1295 * Search through the removal table and mark the entries which needs to be
1296 * flushed to DPM and also updates the map table and enclosure table by
1297 * clearing the corresponding entries.
1302 _mapping_clear_removed_entries(struct mps_softc *sc)
1305 struct map_removal_table *remove_entry;
1306 Mpi2DriverMap0Entry_t *dpm_entry;
1307 u8 done_flag = 0, num_entries, m, i;
1308 struct enc_mapping_table *et_entry, *from, *to;
1309 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1311 if (sc->is_dpm_enable) {
1312 remove_entry = sc->removal_table;
1313 for (remove_idx = 0; remove_idx < sc->max_devices;
1314 remove_idx++, remove_entry++) {
1315 if (remove_entry->dpm_entry_num != MPS_DPM_BAD_IDX) {
1316 dpm_entry = (Mpi2DriverMap0Entry_t *)
1317 ((u8 *) sc->dpm_pg0 +
1318 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1319 dpm_entry += remove_entry->dpm_entry_num;
1320 dpm_entry->PhysicalIdentifier.Low = 0;
1321 dpm_entry->PhysicalIdentifier.High = 0;
1322 dpm_entry->DeviceIndex = 0;
1323 dpm_entry->MappingInformation = 0;
1324 dpm_entry->PhysicalBitsMapping = 0;
1325 sc->dpm_flush_entry[remove_entry->
1327 sc->dpm_entry_used[remove_entry->dpm_entry_num]
1329 remove_entry->dpm_entry_num = MPS_DPM_BAD_IDX;
1335 * When using Enc/Slot mapping, if a new enclosure was added and old
1336 * enclosure space was needed, the enclosure table may now have gaps
1337 * that need to be closed. All enclosure mappings need to be contiguous
1338 * so that space can be reused correctly if available.
1340 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1341 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1342 num_entries = sc->num_enc_table_entries;
1343 while (!done_flag) {
1345 et_entry = sc->enclosure_table;
1346 for (i = 0; i < num_entries; i++, et_entry++) {
1347 if (!et_entry->enc_handle && et_entry->
1350 if (i != (num_entries - 1)) {
1351 from = &sc->enclosure_table
1353 to = &sc->enclosure_table[i];
1354 for (m = i; m < (num_entries -
1355 1); m++, from++, to++) {
1356 _mapping_set_mid_to_eid
1360 _mapping_clear_enc_entry(to);
1361 sc->num_enc_table_entries--;
1363 sc->num_enc_table_entries;
1365 _mapping_clear_enc_entry
1367 sc->num_enc_table_entries--;
1369 sc->num_enc_table_entries;
1378 * _mapping_add_new_device -Add the new device into mapping table
1379 * @sc: per adapter object
1380 * @topo_change: Topology change event entry
1382 * Search through the topology change event list and update map table,
1383 * enclosure table and DPM pages for the newly added devices.
1388 _mapping_add_new_device(struct mps_softc *sc,
1389 struct _map_topology_change *topo_change)
1391 u8 enc_idx, missing_cnt, is_removed = 0;
1393 u32 search_idx, map_idx;
1395 struct dev_mapping_table *mt_entry;
1396 struct enc_mapping_table *et_entry;
1397 struct _map_phy_change *phy_change;
1398 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1399 Mpi2DriverMap0Entry_t *dpm_entry;
1400 uint64_t temp64_var;
1401 u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
1402 u8 hdr_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER);
1403 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
1405 for (entry = 0; entry < topo_change->num_entries; entry++) {
1406 phy_change = &topo_change->phy_details[entry];
1407 if (phy_change->is_processed)
1409 if (phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED ||
1410 !phy_change->dev_handle) {
1411 phy_change->is_processed = 1;
1414 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1415 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1416 enc_idx = _mapping_get_enc_idx_from_handle
1417 (sc, topo_change->enc_handle);
1418 if (enc_idx == MPS_ENCTABLE_BAD_IDX) {
1419 phy_change->is_processed = 1;
1420 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: "
1421 "failed to add the device with handle "
1422 "0x%04x because the enclosure is not in "
1423 "the mapping table\n", __func__,
1424 phy_change->dev_handle);
1429 * If the enclosure's start_index is BAD here, it means
1430 * that there is no room in the mapping table to cover
1431 * all of the devices that could be in the enclosure.
1432 * There's no reason to process any of the devices for
1433 * this enclosure since they can't be mapped.
1435 et_entry = &sc->enclosure_table[enc_idx];
1436 if (et_entry->start_index == MPS_MAPTABLE_BAD_IDX) {
1437 phy_change->is_processed = 1;
1438 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: "
1439 "failed to add the device with handle "
1440 "0x%04x because there is no free space "
1441 "available in the mapping table\n",
1442 __func__, phy_change->dev_handle);
1447 * Add this device to the mapping table at the correct
1448 * offset where space was found to map the enclosure.
1449 * Then setup the DPM entry information if being used.
1451 map_idx = et_entry->start_index + phy_change->slot -
1452 et_entry->start_slot;
1453 mt_entry = &sc->mapping_table[map_idx];
1454 mt_entry->physical_id = phy_change->physical_id;
1455 mt_entry->id = map_idx;
1456 mt_entry->dev_handle = phy_change->dev_handle;
1457 mt_entry->missing_count = 0;
1458 mt_entry->dpm_entry_num = et_entry->dpm_entry_num;
1459 mt_entry->device_info = phy_change->device_info |
1460 (MPS_DEV_RESERVED | MPS_MAP_IN_USE);
1461 if (sc->is_dpm_enable) {
1462 dpm_idx = et_entry->dpm_entry_num;
1463 if (dpm_idx == MPS_DPM_BAD_IDX)
1464 dpm_idx = _mapping_get_dpm_idx_from_id
1465 (sc, et_entry->enclosure_id,
1466 et_entry->phy_bits);
1467 if (dpm_idx == MPS_DPM_BAD_IDX) {
1468 dpm_idx = _mapping_get_free_dpm_idx(sc);
1469 if (dpm_idx != MPS_DPM_BAD_IDX) {
1471 (Mpi2DriverMap0Entry_t *)
1472 ((u8 *) sc->dpm_pg0 +
1474 dpm_entry += dpm_idx;
1476 PhysicalIdentifier.Low =
1478 et_entry->enclosure_id);
1480 PhysicalIdentifier.High =
1481 (et_entry->enclosure_id
1483 dpm_entry->DeviceIndex =
1484 (U16)et_entry->start_index;
1485 dpm_entry->MappingInformation =
1486 et_entry->num_slots;
1487 dpm_entry->MappingInformation
1489 dpm_entry->PhysicalBitsMapping
1490 = et_entry->phy_bits;
1491 et_entry->dpm_entry_num =
1493 sc->dpm_entry_used[dpm_idx] = 1;
1494 sc->dpm_flush_entry[dpm_idx] =
1496 phy_change->is_processed = 1;
1498 phy_change->is_processed = 1;
1499 mps_dprint(sc, MPS_ERROR |
1500 MPS_MAPPING, "%s: failed "
1501 "to add the device with "
1503 "persistent table because "
1504 "there is no free space "
1505 "available\n", __func__,
1506 phy_change->dev_handle);
1509 et_entry->dpm_entry_num = dpm_idx;
1510 mt_entry->dpm_entry_num = dpm_idx;
1513 et_entry->init_complete = 1;
1514 } else if ((ioc_pg8_flags &
1515 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1516 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
1519 * Get the mapping table index for this device. If it's
1520 * not in the mapping table yet, find a free entry if
1521 * one is available. If there are no free entries, look
1522 * for the entry that has the highest missing count. If
1523 * none of that works to find an entry in the mapping
1524 * table, there is a problem. Log a message and just
1527 map_idx = _mapping_get_mt_idx_from_id
1528 (sc, phy_change->physical_id);
1529 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
1530 search_idx = sc->num_rsvd_entries;
1531 if (topo_change->exp_handle)
1532 search_idx += max_num_phy_ids;
1533 map_idx = _mapping_get_free_mt_idx(sc,
1538 * If an entry will be used that has a missing device,
1539 * clear its entry from the DPM in the controller.
1541 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
1542 map_idx = _mapping_get_high_missing_mt_idx(sc);
1543 if (map_idx != MPS_MAPTABLE_BAD_IDX) {
1544 mt_entry = &sc->mapping_table[map_idx];
1545 _mapping_add_to_removal_table(sc,
1546 mt_entry->dpm_entry_num);
1548 mt_entry->init_complete = 0;
1551 if (map_idx != MPS_MAPTABLE_BAD_IDX) {
1552 mt_entry = &sc->mapping_table[map_idx];
1553 mt_entry->physical_id = phy_change->physical_id;
1554 mt_entry->id = map_idx;
1555 mt_entry->dev_handle = phy_change->dev_handle;
1556 mt_entry->missing_count = 0;
1557 mt_entry->device_info = phy_change->device_info
1558 | (MPS_DEV_RESERVED | MPS_MAP_IN_USE);
1560 phy_change->is_processed = 1;
1561 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: "
1562 "failed to add the device with handle "
1563 "0x%04x because there is no free space "
1564 "available in the mapping table\n",
1565 __func__, phy_change->dev_handle);
1568 if (sc->is_dpm_enable) {
1569 if (mt_entry->dpm_entry_num !=
1571 dpm_idx = mt_entry->dpm_entry_num;
1572 dpm_entry = (Mpi2DriverMap0Entry_t *)
1573 ((u8 *)sc->dpm_pg0 + hdr_sz);
1574 dpm_entry += dpm_idx;
1575 missing_cnt = dpm_entry->
1576 MappingInformation &
1577 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
1578 temp64_var = dpm_entry->
1579 PhysicalIdentifier.High;
1580 temp64_var = (temp64_var << 32) |
1581 dpm_entry->PhysicalIdentifier.Low;
1584 * If the Mapping Table's info is not
1585 * the same as the DPM entry, clear the
1586 * init_complete flag so that it's
1589 if ((mt_entry->physical_id ==
1590 temp64_var) && !missing_cnt)
1591 mt_entry->init_complete = 1;
1593 mt_entry->init_complete = 0;
1595 dpm_idx = _mapping_get_free_dpm_idx(sc);
1596 mt_entry->init_complete = 0;
1598 if (dpm_idx != MPS_DPM_BAD_IDX &&
1599 !mt_entry->init_complete) {
1600 mt_entry->dpm_entry_num = dpm_idx;
1601 dpm_entry = (Mpi2DriverMap0Entry_t *)
1602 ((u8 *)sc->dpm_pg0 + hdr_sz);
1603 dpm_entry += dpm_idx;
1604 dpm_entry->PhysicalIdentifier.Low =
1606 mt_entry->physical_id);
1607 dpm_entry->PhysicalIdentifier.High =
1608 (mt_entry->physical_id >> 32);
1609 dpm_entry->DeviceIndex = (U16) map_idx;
1610 dpm_entry->MappingInformation = 0;
1611 dpm_entry->PhysicalBitsMapping = 0;
1612 sc->dpm_entry_used[dpm_idx] = 1;
1613 sc->dpm_flush_entry[dpm_idx] = 1;
1614 phy_change->is_processed = 1;
1615 } else if (dpm_idx == MPS_DPM_BAD_IDX) {
1616 phy_change->is_processed = 1;
1617 mps_dprint(sc, MPS_ERROR | MPS_MAPPING,
1618 "%s: failed to add the device with "
1619 "handle 0x%04x to persistent table "
1620 "because there is no free space "
1621 "available\n", __func__,
1622 phy_change->dev_handle);
1625 mt_entry->init_complete = 1;
1628 phy_change->is_processed = 1;
1631 _mapping_clear_removed_entries(sc);
1635 * _mapping_flush_dpm_pages -Flush the DPM pages to NVRAM
1636 * @sc: per adapter object
1641 _mapping_flush_dpm_pages(struct mps_softc *sc)
1643 Mpi2DriverMap0Entry_t *dpm_entry;
1644 Mpi2ConfigReply_t mpi_reply;
1645 Mpi2DriverMappingPage0_t config_page;
1648 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) {
1649 if (!sc->dpm_flush_entry[entry_num])
1651 memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t));
1652 memcpy(&config_page.Header, (u8 *)sc->dpm_pg0,
1653 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1654 dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 +
1655 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1656 dpm_entry += entry_num;
1657 dpm_entry->MappingInformation = htole16(dpm_entry->
1658 MappingInformation);
1659 dpm_entry->DeviceIndex = htole16(dpm_entry->DeviceIndex);
1660 dpm_entry->PhysicalBitsMapping = htole32(dpm_entry->
1661 PhysicalBitsMapping);
1662 memcpy(&config_page.Entry, (u8 *)dpm_entry,
1663 sizeof(Mpi2DriverMap0Entry_t));
1664 /* TODO-How to handle failed writes? */
1665 mps_dprint(sc, MPS_MAPPING, "%s: Flushing DPM entry %d.\n",
1666 __func__, entry_num);
1667 if (mps_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
1669 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: Flush of "
1670 "DPM entry %d for device failed\n", __func__,
1673 sc->dpm_flush_entry[entry_num] = 0;
1674 dpm_entry->MappingInformation = le16toh(dpm_entry->
1675 MappingInformation);
1676 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
1677 dpm_entry->PhysicalBitsMapping = le32toh(dpm_entry->
1678 PhysicalBitsMapping);
1683 * _mapping_allocate_memory- allocates the memory required for mapping tables
1684 * @sc: per adapter object
1686 * Allocates the memory for all the tables required for host mapping
1688 * Return 0 on success or non-zero on failure.
1691 mps_mapping_allocate_memory(struct mps_softc *sc)
1693 uint32_t dpm_pg0_sz;
1695 sc->mapping_table = malloc((sizeof(struct dev_mapping_table) *
1696 sc->max_devices), M_MPT2, M_ZERO|M_NOWAIT);
1697 if (!sc->mapping_table)
1698 goto free_resources;
1700 sc->removal_table = malloc((sizeof(struct map_removal_table) *
1701 sc->max_devices), M_MPT2, M_ZERO|M_NOWAIT);
1702 if (!sc->removal_table)
1703 goto free_resources;
1705 sc->enclosure_table = malloc((sizeof(struct enc_mapping_table) *
1706 sc->max_enclosures), M_MPT2, M_ZERO|M_NOWAIT);
1707 if (!sc->enclosure_table)
1708 goto free_resources;
1710 sc->dpm_entry_used = malloc((sizeof(u8) * sc->max_dpm_entries),
1711 M_MPT2, M_ZERO|M_NOWAIT);
1712 if (!sc->dpm_entry_used)
1713 goto free_resources;
1715 sc->dpm_flush_entry = malloc((sizeof(u8) * sc->max_dpm_entries),
1716 M_MPT2, M_ZERO|M_NOWAIT);
1717 if (!sc->dpm_flush_entry)
1718 goto free_resources;
1720 dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) +
1721 (sc->max_dpm_entries * sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY));
1723 sc->dpm_pg0 = malloc(dpm_pg0_sz, M_MPT2, M_ZERO|M_NOWAIT);
1725 printf("%s: memory alloc failed for dpm page; disabling dpm\n",
1727 sc->is_dpm_enable = 0;
1733 free(sc->mapping_table, M_MPT2);
1734 free(sc->removal_table, M_MPT2);
1735 free(sc->enclosure_table, M_MPT2);
1736 free(sc->dpm_entry_used, M_MPT2);
1737 free(sc->dpm_flush_entry, M_MPT2);
1738 free(sc->dpm_pg0, M_MPT2);
1739 printf("%s: device initialization failed due to failure in mapping "
1740 "table memory allocation\n", __func__);
1745 * mps_mapping_free_memory- frees the memory allocated for mapping tables
1746 * @sc: per adapter object
1751 mps_mapping_free_memory(struct mps_softc *sc)
1753 free(sc->mapping_table, M_MPT2);
1754 free(sc->removal_table, M_MPT2);
1755 free(sc->enclosure_table, M_MPT2);
1756 free(sc->dpm_entry_used, M_MPT2);
1757 free(sc->dpm_flush_entry, M_MPT2);
1758 free(sc->dpm_pg0, M_MPT2);
1762 _mapping_process_dpm_pg0(struct mps_softc *sc)
1764 u8 missing_cnt, enc_idx;
1765 u16 slot_id, entry_num, num_slots;
1766 u32 map_idx, dev_idx, start_idx, end_idx;
1767 struct dev_mapping_table *mt_entry;
1768 Mpi2DriverMap0Entry_t *dpm_entry;
1769 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1770 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
1771 struct enc_mapping_table *et_entry;
1776 * start_idx and end_idx are only used for IR.
1778 if (sc->ir_firmware)
1779 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
1782 * Look through all of the DPM entries that were read from the
1783 * controller and copy them over to the driver's internal table if they
1784 * have a non-zero ID. At this point, any ID with a value of 0 would be
1785 * invalid, so don't copy it.
1787 mps_dprint(sc, MPS_MAPPING, "%s: Start copy of %d DPM entries into the "
1788 "mapping table.\n", __func__, sc->max_dpm_entries);
1789 dpm_entry = (Mpi2DriverMap0Entry_t *) ((uint8_t *) sc->dpm_pg0 +
1790 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1791 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++,
1793 physical_id = dpm_entry->PhysicalIdentifier.High;
1794 physical_id = (physical_id << 32) |
1795 dpm_entry->PhysicalIdentifier.Low;
1797 sc->dpm_entry_used[entry_num] = 0;
1800 sc->dpm_entry_used[entry_num] = 1;
1801 dpm_entry->MappingInformation = le16toh(dpm_entry->
1802 MappingInformation);
1803 missing_cnt = dpm_entry->MappingInformation &
1804 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
1805 dev_idx = le16toh(dpm_entry->DeviceIndex);
1806 phy_bits = le32toh(dpm_entry->PhysicalBitsMapping);
1809 * Volumes are at special locations in the mapping table so
1810 * account for that. Volume mapping table entries do not depend
1811 * on the type of mapping, so continue the loop after adding
1812 * volumes to the mapping table.
1814 if (sc->ir_firmware && (dev_idx >= start_idx) &&
1815 (dev_idx <= end_idx)) {
1816 mt_entry = &sc->mapping_table[dev_idx];
1817 mt_entry->physical_id =
1818 dpm_entry->PhysicalIdentifier.High;
1819 mt_entry->physical_id = (mt_entry->physical_id << 32) |
1820 dpm_entry->PhysicalIdentifier.Low;
1821 mt_entry->id = dev_idx;
1822 mt_entry->missing_count = missing_cnt;
1823 mt_entry->dpm_entry_num = entry_num;
1824 mt_entry->device_info = MPS_DEV_RESERVED;
1827 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1828 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1831 * The dev_idx for an enclosure is the start index. If
1832 * the start index is within the controller's default
1833 * enclosure area, set the number of slots for this
1834 * enclosure to the max allowed. Otherwise, it should be
1835 * a normal enclosure and the number of slots is in the
1836 * DPM entry's Mapping Information.
1838 if (dev_idx < (sc->num_rsvd_entries +
1842 MPI2_IOCPAGE8_FLAGS_DA_START_SLOT_1)
1844 num_slots = max_num_phy_ids;
1847 num_slots = dpm_entry->MappingInformation &
1848 MPI2_DRVMAP0_MAPINFO_SLOT_MASK;
1849 num_slots >>= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
1851 enc_idx = sc->num_enc_table_entries;
1852 if (enc_idx >= sc->max_enclosures) {
1853 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: "
1854 "Number of enclosure entries in DPM exceed "
1855 "the max allowed of %d.\n", __func__,
1856 sc->max_enclosures);
1859 sc->num_enc_table_entries++;
1860 et_entry = &sc->enclosure_table[enc_idx];
1861 physical_id = dpm_entry->PhysicalIdentifier.High;
1862 et_entry->enclosure_id = (physical_id << 32) |
1863 dpm_entry->PhysicalIdentifier.Low;
1864 et_entry->start_index = dev_idx;
1865 et_entry->dpm_entry_num = entry_num;
1866 et_entry->num_slots = num_slots;
1867 et_entry->start_slot = slot_id;
1868 et_entry->missing_count = missing_cnt;
1869 et_entry->phy_bits = phy_bits;
1872 * Initialize all entries for this enclosure in the
1873 * mapping table and mark them as reserved. The actual
1874 * devices have not been processed yet but when they are
1875 * they will use these entries. If an entry is found
1876 * that already has a valid DPM index, the mapping table
1877 * is corrupt. This can happen if the mapping type is
1878 * changed without clearing all of the DPM entries in
1881 mt_entry = &sc->mapping_table[dev_idx];
1882 for (map_idx = dev_idx; map_idx < (dev_idx + num_slots);
1883 map_idx++, mt_entry++) {
1884 if (mt_entry->dpm_entry_num !=
1886 mps_dprint(sc, MPS_ERROR | MPS_MAPPING,
1887 "%s: Conflict in mapping table for "
1888 " enclosure %d\n", __func__,
1893 dpm_entry->PhysicalIdentifier.High;
1894 mt_entry->physical_id = (physical_id << 32) |
1895 dpm_entry->PhysicalIdentifier.Low;
1896 mt_entry->phy_bits = phy_bits;
1897 mt_entry->id = dev_idx;
1898 mt_entry->dpm_entry_num = entry_num;
1899 mt_entry->missing_count = missing_cnt;
1900 mt_entry->device_info = MPS_DEV_RESERVED;
1902 } else if ((ioc_pg8_flags &
1903 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1904 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
1907 * Device mapping, so simply copy the DPM entries to the
1908 * mapping table, but check for a corrupt mapping table
1909 * (as described above in Enc/Slot mapping).
1912 mt_entry = &sc->mapping_table[map_idx];
1913 if (mt_entry->dpm_entry_num != MPS_DPM_BAD_IDX) {
1914 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: "
1915 "Conflict in mapping table for device %d\n",
1919 physical_id = dpm_entry->PhysicalIdentifier.High;
1920 mt_entry->physical_id = (physical_id << 32) |
1921 dpm_entry->PhysicalIdentifier.Low;
1922 mt_entry->phy_bits = phy_bits;
1923 mt_entry->id = dev_idx;
1924 mt_entry->missing_count = missing_cnt;
1925 mt_entry->dpm_entry_num = entry_num;
1926 mt_entry->device_info = MPS_DEV_RESERVED;
1928 } /*close the loop for DPM table */
1932 * mps_mapping_check_devices - start of the day check for device availabilty
1933 * @sc: per adapter object
1938 mps_mapping_check_devices(void *data)
1941 struct dev_mapping_table *mt_entry;
1942 struct mps_softc *sc = (struct mps_softc *)data;
1943 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1944 struct enc_mapping_table *et_entry;
1945 u32 start_idx = 0, end_idx = 0;
1946 u8 stop_device_checks = 0;
1951 * Clear this flag so that this function is never called again except
1952 * within this function if the check needs to be done again. The
1953 * purpose is to check for missing devices that are currently in the
1954 * mapping table so do this only at driver init after discovery.
1956 sc->track_mapping_events = 0;
1959 * callout synchronization
1960 * This is used to prevent race conditions for the callout.
1962 mps_dprint(sc, MPS_MAPPING, "%s: Start check for missing devices.\n",
1964 mtx_assert(&sc->mps_mtx, MA_OWNED);
1965 if ((callout_pending(&sc->device_check_callout)) ||
1966 (!callout_active(&sc->device_check_callout))) {
1967 mps_dprint(sc, MPS_MAPPING, "%s: Device Check Callout is "
1968 "already pending or not active.\n", __func__);
1971 callout_deactivate(&sc->device_check_callout);
1974 * Use callout to check if any devices in the mapping table have been
1975 * processed yet. If ALL devices are marked as not init_complete, no
1976 * devices have been processed and mapped. Until devices are mapped
1977 * there's no reason to mark them as missing. Continue resetting this
1978 * callout until devices have been mapped.
1980 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1981 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1982 et_entry = sc->enclosure_table;
1983 for (i = 0; i < sc->num_enc_table_entries; i++, et_entry++) {
1984 if (et_entry->init_complete) {
1985 stop_device_checks = 1;
1989 } else if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1990 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
1991 mt_entry = sc->mapping_table;
1992 for (i = 0; i < sc->max_devices; i++, mt_entry++) {
1993 if (mt_entry->init_complete) {
1994 stop_device_checks = 1;
2001 * Setup another callout check after a delay. Keep doing this until
2002 * devices are mapped.
2004 if (!stop_device_checks) {
2005 mps_dprint(sc, MPS_MAPPING, "%s: No devices have been mapped. "
2006 "Reset callout to check again after a %d second delay.\n",
2007 __func__, MPS_MISSING_CHECK_DELAY);
2008 callout_reset(&sc->device_check_callout,
2009 MPS_MISSING_CHECK_DELAY * hz, mps_mapping_check_devices,
2013 mps_dprint(sc, MPS_MAPPING, "%s: Device check complete.\n", __func__);
2016 * Depending on the mapping type, check if devices have been processed
2017 * and update their missing counts if not processed.
2019 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
2020 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
2021 et_entry = sc->enclosure_table;
2022 for (i = 0; i < sc->num_enc_table_entries; i++, et_entry++) {
2023 if (!et_entry->init_complete) {
2024 if (et_entry->missing_count <
2025 MPS_MAX_MISSING_COUNT) {
2026 mps_dprint(sc, MPS_MAPPING, "%s: "
2027 "Enclosure %d is missing from the "
2028 "topology. Update its missing "
2029 "count.\n", __func__, i);
2030 et_entry->missing_count++;
2031 if (et_entry->dpm_entry_num !=
2033 _mapping_commit_enc_entry(sc,
2037 et_entry->init_complete = 1;
2040 if (!sc->ir_firmware)
2042 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
2043 mt_entry = &sc->mapping_table[start_idx];
2044 } else if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
2045 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
2047 end_idx = sc->max_devices - 1;
2048 mt_entry = sc->mapping_table;
2052 * The start and end indices have been set above according to the
2053 * mapping type. Go through these mappings and update any entries that
2054 * do not have the init_complete flag set, which means they are missing.
2058 for (i = start_idx; i < (end_idx + 1); i++, mt_entry++) {
2059 if (mt_entry->device_info & MPS_DEV_RESERVED
2060 && !mt_entry->physical_id)
2061 mt_entry->init_complete = 1;
2062 else if (mt_entry->device_info & MPS_DEV_RESERVED) {
2063 if (!mt_entry->init_complete) {
2064 mps_dprint(sc, MPS_MAPPING, "%s: Device in "
2065 "mapping table at index %d is missing from "
2066 "topology. Update its missing count.\n",
2068 if (mt_entry->missing_count <
2069 MPS_MAX_MISSING_COUNT) {
2070 mt_entry->missing_count++;
2071 if (mt_entry->dpm_entry_num !=
2073 _mapping_commit_map_entry(sc,
2077 mt_entry->init_complete = 1;
2084 * mps_mapping_initialize - initialize mapping tables
2085 * @sc: per adapter object
2087 * Read controller persitant mapping tables into internal data area.
2089 * Return 0 for success or non-zero for failure.
2092 mps_mapping_initialize(struct mps_softc *sc)
2094 uint16_t volume_mapping_flags, dpm_pg0_sz;
2096 Mpi2ConfigReply_t mpi_reply;
2098 uint8_t retry_count;
2099 uint16_t ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
2101 /* The additional 1 accounts for the virtual enclosure
2102 * created for the controller
2104 sc->max_enclosures = sc->facts->MaxEnclosures + 1;
2105 sc->max_expanders = sc->facts->MaxSasExpanders;
2106 sc->max_volumes = sc->facts->MaxVolumes;
2107 sc->max_devices = sc->facts->MaxTargets + sc->max_volumes;
2108 sc->pending_map_events = 0;
2109 sc->num_enc_table_entries = 0;
2110 sc->num_rsvd_entries = 0;
2111 sc->max_dpm_entries = sc->ioc_pg8.MaxPersistentEntries;
2112 sc->is_dpm_enable = (sc->max_dpm_entries) ? 1 : 0;
2113 sc->track_mapping_events = 0;
2116 mps_dprint(sc, MPS_MAPPING, "%s: Mapping table has a max of %d entries "
2117 "and DPM has a max of %d entries.\n", __func__, sc->max_devices,
2118 sc->max_dpm_entries);
2119 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_DISABLE_PERSISTENT_MAPPING)
2120 sc->is_dpm_enable = 0;
2122 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
2123 sc->num_rsvd_entries = 1;
2125 volume_mapping_flags = sc->ioc_pg8.IRVolumeMappingFlags &
2126 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
2127 if (sc->ir_firmware && (volume_mapping_flags ==
2128 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING))
2129 sc->num_rsvd_entries += sc->max_volumes;
2131 error = mps_mapping_allocate_memory(sc);
2135 for (i = 0; i < sc->max_devices; i++)
2136 _mapping_clear_map_entry(sc->mapping_table + i);
2138 for (i = 0; i < sc->max_enclosures; i++)
2139 _mapping_clear_enc_entry(sc->enclosure_table + i);
2141 for (i = 0; i < sc->max_devices; i++) {
2142 sc->removal_table[i].dev_handle = 0;
2143 sc->removal_table[i].dpm_entry_num = MPS_DPM_BAD_IDX;
2146 memset(sc->dpm_entry_used, 0, sc->max_dpm_entries);
2147 memset(sc->dpm_flush_entry, 0, sc->max_dpm_entries);
2149 if (sc->is_dpm_enable) {
2150 dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) +
2151 (sc->max_dpm_entries *
2152 sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY));
2156 if (mps_config_get_dpm_pg0(sc, &mpi_reply, sc->dpm_pg0,
2158 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: DPM page "
2159 "read failed.\n", __func__);
2160 if (retry_count < 3) {
2162 goto retry_read_dpm;
2164 sc->is_dpm_enable = 0;
2168 if (sc->is_dpm_enable)
2169 _mapping_process_dpm_pg0(sc);
2171 mps_dprint(sc, MPS_MAPPING, "%s: DPM processing is disabled. "
2172 "Device mappings will not persist across reboots or "
2173 "resets.\n", __func__);
2176 sc->track_mapping_events = 1;
2181 * mps_mapping_exit - clear mapping table and associated memory
2182 * @sc: per adapter object
2187 mps_mapping_exit(struct mps_softc *sc)
2189 _mapping_flush_dpm_pages(sc);
2190 mps_mapping_free_memory(sc);
2194 * mps_mapping_get_tid - return the target id for sas device and handle
2195 * @sc: per adapter object
2196 * @sas_address: sas address of the device
2197 * @handle: device handle
2199 * Returns valid target ID on success or BAD_ID.
2202 mps_mapping_get_tid(struct mps_softc *sc, uint64_t sas_address, u16 handle)
2205 struct dev_mapping_table *mt_entry;
2207 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
2208 mt_entry = &sc->mapping_table[map_idx];
2209 if (mt_entry->dev_handle == handle && mt_entry->physical_id ==
2211 return mt_entry->id;
2214 return MPS_MAP_BAD_ID;
2218 * mps_mapping_get_tid_from_handle - find a target id in mapping table using
2219 * only the dev handle. This is just a wrapper function for the local function
2220 * _mapping_get_mt_idx_from_handle.
2221 * @sc: per adapter object
2222 * @handle: device handle
2224 * Returns valid target ID on success or BAD_ID.
2227 mps_mapping_get_tid_from_handle(struct mps_softc *sc, u16 handle)
2229 return (_mapping_get_mt_idx_from_handle(sc, handle));
2233 * mps_mapping_get_raid_tid - return the target id for raid device
2234 * @sc: per adapter object
2235 * @wwid: world wide identifier for raid volume
2236 * @volHandle: volume device handle
2238 * Returns valid target ID on success or BAD_ID.
2241 mps_mapping_get_raid_tid(struct mps_softc *sc, u64 wwid, u16 volHandle)
2243 u32 start_idx, end_idx, map_idx;
2244 struct dev_mapping_table *mt_entry;
2246 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
2247 mt_entry = &sc->mapping_table[start_idx];
2248 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) {
2249 if (mt_entry->dev_handle == volHandle &&
2250 mt_entry->physical_id == wwid)
2251 return mt_entry->id;
2254 return MPS_MAP_BAD_ID;
2258 * mps_mapping_get_raid_tid_from_handle - find raid device in mapping table
2259 * using only the volume dev handle. This is just a wrapper function for the
2260 * local function _mapping_get_ir_mt_idx_from_handle.
2261 * @sc: per adapter object
2262 * @volHandle: volume device handle
2264 * Returns valid target ID on success or BAD_ID.
2267 mps_mapping_get_raid_tid_from_handle(struct mps_softc *sc, u16 volHandle)
2269 return (_mapping_get_ir_mt_idx_from_handle(sc, volHandle));
2273 * mps_mapping_enclosure_dev_status_change_event - handle enclosure events
2274 * @sc: per adapter object
2275 * @event_data: event data payload
2280 mps_mapping_enclosure_dev_status_change_event(struct mps_softc *sc,
2281 Mpi2EventDataSasEnclDevStatusChange_t *event_data)
2283 u8 enc_idx, missing_count;
2284 struct enc_mapping_table *et_entry;
2285 Mpi2DriverMap0Entry_t *dpm_entry;
2286 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
2287 u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
2288 u8 update_phy_bits = 0;
2290 uint64_t temp64_var;
2292 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) !=
2293 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING)
2296 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
2297 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
2299 if (event_data->ReasonCode == MPI2_EVENT_SAS_ENCL_RC_ADDED) {
2300 if (!event_data->NumSlots) {
2301 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: Enclosure "
2302 "with handle = 0x%x reported 0 slots.\n", __func__,
2303 le16toh(event_data->EnclosureHandle));
2306 temp64_var = event_data->EnclosureLogicalID.High;
2307 temp64_var = (temp64_var << 32) |
2308 event_data->EnclosureLogicalID.Low;
2309 enc_idx = _mapping_get_enc_idx_from_id(sc, temp64_var,
2310 event_data->PhyBits);
2313 * If the Added enclosure is already in the Enclosure Table,
2314 * make sure that all the the enclosure info is up to date. If
2315 * the enclosure was missing and has just been added back, or if
2316 * the enclosure's Phy Bits have changed, clear the missing
2317 * count and update the Phy Bits in the mapping table and in the
2318 * DPM, if it's being used.
2320 if (enc_idx != MPS_ENCTABLE_BAD_IDX) {
2321 et_entry = &sc->enclosure_table[enc_idx];
2322 if (et_entry->init_complete &&
2323 !et_entry->missing_count) {
2324 mps_dprint(sc, MPS_MAPPING, "%s: Enclosure %d "
2325 "is already present with handle = 0x%x\n",
2326 __func__, enc_idx, et_entry->enc_handle);
2329 et_entry->enc_handle = le16toh(event_data->
2331 et_entry->start_slot = le16toh(event_data->StartSlot);
2332 saved_phy_bits = et_entry->phy_bits;
2333 et_entry->phy_bits |= le32toh(event_data->PhyBits);
2334 if (saved_phy_bits != et_entry->phy_bits)
2335 update_phy_bits = 1;
2336 if (et_entry->missing_count || update_phy_bits) {
2337 et_entry->missing_count = 0;
2338 if (sc->is_dpm_enable &&
2339 et_entry->dpm_entry_num !=
2341 dpm_entry += et_entry->dpm_entry_num;
2343 (u8)(dpm_entry->MappingInformation &
2344 MPI2_DRVMAP0_MAPINFO_MISSING_MASK);
2345 if (missing_count || update_phy_bits) {
2346 dpm_entry->MappingInformation
2347 = et_entry->num_slots;
2348 dpm_entry->MappingInformation
2350 dpm_entry->PhysicalBitsMapping
2351 = et_entry->phy_bits;
2352 sc->dpm_flush_entry[et_entry->
2359 * This is a new enclosure that is being added.
2360 * Initialize the Enclosure Table entry. It will be
2361 * finalized when a device is added for the enclosure
2362 * and the enclosure has enough space in the Mapping
2363 * Table to map its devices.
2365 enc_idx = sc->num_enc_table_entries;
2366 if (enc_idx >= sc->max_enclosures) {
2367 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: "
2368 "Enclosure cannot be added to mapping "
2369 "table because it's full.\n", __func__);
2372 sc->num_enc_table_entries++;
2373 et_entry = &sc->enclosure_table[enc_idx];
2374 et_entry->enc_handle = le16toh(event_data->
2376 et_entry->enclosure_id = le64toh(event_data->
2377 EnclosureLogicalID.High);
2378 et_entry->enclosure_id =
2379 ((et_entry->enclosure_id << 32) |
2380 le64toh(event_data->EnclosureLogicalID.Low));
2381 et_entry->start_index = MPS_MAPTABLE_BAD_IDX;
2382 et_entry->dpm_entry_num = MPS_DPM_BAD_IDX;
2383 et_entry->num_slots = le16toh(event_data->NumSlots);
2384 et_entry->start_slot = le16toh(event_data->StartSlot);
2385 et_entry->phy_bits = le32toh(event_data->PhyBits);
2387 et_entry->init_complete = 1;
2388 } else if (event_data->ReasonCode ==
2389 MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING) {
2391 * An enclosure was removed. Update its missing count and then
2392 * update the DPM entry with the new missing count for the
2395 enc_idx = _mapping_get_enc_idx_from_handle(sc,
2396 le16toh(event_data->EnclosureHandle));
2397 if (enc_idx == MPS_ENCTABLE_BAD_IDX) {
2398 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: Cannot "
2399 "unmap enclosure %d because it has already been "
2400 "deleted.\n", __func__, enc_idx);
2403 et_entry = &sc->enclosure_table[enc_idx];
2404 if (et_entry->missing_count < MPS_MAX_MISSING_COUNT)
2405 et_entry->missing_count++;
2406 if (sc->is_dpm_enable &&
2407 et_entry->dpm_entry_num != MPS_DPM_BAD_IDX) {
2408 dpm_entry += et_entry->dpm_entry_num;
2409 dpm_entry->MappingInformation = et_entry->num_slots;
2410 dpm_entry->MappingInformation <<= map_shift;
2411 dpm_entry->MappingInformation |=
2412 et_entry->missing_count;
2413 sc->dpm_flush_entry[et_entry->dpm_entry_num] = 1;
2415 et_entry->init_complete = 1;
2419 _mapping_flush_dpm_pages(sc);
2420 if (sc->pending_map_events)
2421 sc->pending_map_events--;
2425 * mps_mapping_topology_change_event - handle topology change events
2426 * @sc: per adapter object
2427 * @event_data: event data payload
2432 mps_mapping_topology_change_event(struct mps_softc *sc,
2433 Mpi2EventDataSasTopologyChangeList_t *event_data)
2435 struct _map_topology_change topo_change;
2436 struct _map_phy_change *phy_change;
2437 Mpi2EventSasTopoPhyEntry_t *event_phy_change;
2440 topo_change.enc_handle = le16toh(event_data->EnclosureHandle);
2441 topo_change.exp_handle = le16toh(event_data->ExpanderDevHandle);
2442 num_entries = event_data->NumEntries;
2443 topo_change.num_entries = num_entries;
2444 topo_change.start_phy_num = event_data->StartPhyNum;
2445 topo_change.num_phys = event_data->NumPhys;
2446 topo_change.exp_status = event_data->ExpStatus;
2447 event_phy_change = event_data->PHY;
2448 topo_change.phy_details = NULL;
2452 phy_change = malloc(sizeof(struct _map_phy_change) * num_entries,
2453 M_MPT2, M_NOWAIT|M_ZERO);
2454 topo_change.phy_details = phy_change;
2457 for (i = 0; i < num_entries; i++, event_phy_change++, phy_change++) {
2458 phy_change->dev_handle = le16toh(event_phy_change->
2460 phy_change->reason = event_phy_change->PhyStatus &
2461 MPI2_EVENT_SAS_TOPO_RC_MASK;
2463 _mapping_update_missing_count(sc, &topo_change);
2464 _mapping_get_dev_info(sc, &topo_change);
2465 _mapping_clear_removed_entries(sc);
2466 _mapping_add_new_device(sc, &topo_change);
2469 free(topo_change.phy_details, M_MPT2);
2470 _mapping_flush_dpm_pages(sc);
2471 if (sc->pending_map_events)
2472 sc->pending_map_events--;
2476 * mps_mapping_ir_config_change_event - handle IR config change list events
2477 * @sc: per adapter object
2478 * @event_data: event data payload
2483 mps_mapping_ir_config_change_event(struct mps_softc *sc,
2484 Mpi2EventDataIrConfigChangeList_t *event_data)
2486 Mpi2EventIrConfigElement_t *element;
2490 struct dev_mapping_table *mt_entry;
2493 wwid_table = malloc(sizeof(u64) * event_data->NumElements, M_MPT2,
2497 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
2498 flags = le32toh(event_data->Flags);
2501 * For volume changes, get the WWID for the volume and put it in a
2502 * table to be used in the processing of the IR change event.
2504 for (i = 0; i < event_data->NumElements; i++, element++) {
2505 element_flags = le16toh(element->ElementFlags);
2506 if ((element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_ADDED) &&
2507 (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_REMOVED) &&
2508 (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE)
2509 && (element->ReasonCode !=
2510 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED))
2512 if ((element_flags &
2513 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK) ==
2514 MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT) {
2515 mps_config_get_volume_wwid(sc,
2516 le16toh(element->VolDevHandle), &wwid_table[i]);
2521 * Check the ReasonCode for each element in the IR event and Add/Remove
2522 * Volumes or Physical Disks of Volumes to/from the mapping table. Use
2523 * the WWIDs gotten above in wwid_table.
2525 if (flags == MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
2528 element = (Mpi2EventIrConfigElement_t *)&event_data->
2530 for (i = 0; i < event_data->NumElements; i++, element++) {
2531 if (element->ReasonCode ==
2532 MPI2_EVENT_IR_CHANGE_RC_ADDED ||
2533 element->ReasonCode ==
2534 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) {
2535 map_idx = _mapping_get_ir_mt_idx_from_wwid
2536 (sc, wwid_table[i]);
2537 if (map_idx != MPS_MAPTABLE_BAD_IDX) {
2539 * The volume is already in the mapping
2540 * table. Just update it's info.
2542 mt_entry = &sc->mapping_table[map_idx];
2543 mt_entry->id = map_idx;
2544 mt_entry->dev_handle = le16toh
2545 (element->VolDevHandle);
2546 mt_entry->device_info =
2547 MPS_DEV_RESERVED | MPS_MAP_IN_USE;
2548 _mapping_update_ir_missing_cnt(sc,
2549 map_idx, element, wwid_table[i]);
2554 * Volume is not in mapping table yet. Find a
2555 * free entry in the mapping table at the
2556 * volume mapping locations. If no entries are
2557 * available, this is an error because it means
2558 * there are more volumes than can be mapped
2559 * and that should never happen for volumes.
2561 map_idx = _mapping_get_free_ir_mt_idx(sc);
2562 if (map_idx == MPS_MAPTABLE_BAD_IDX)
2564 mps_dprint(sc, MPS_ERROR | MPS_MAPPING,
2565 "%s: failed to add the volume with "
2566 "handle 0x%04x because there is no "
2567 "free space available in the "
2568 "mapping table\n", __func__,
2569 le16toh(element->VolDevHandle));
2572 mt_entry = &sc->mapping_table[map_idx];
2573 mt_entry->physical_id = wwid_table[i];
2574 mt_entry->id = map_idx;
2575 mt_entry->dev_handle = le16toh(element->
2577 mt_entry->device_info = MPS_DEV_RESERVED |
2579 _mapping_update_ir_missing_cnt(sc, map_idx,
2580 element, wwid_table[i]);
2581 } else if (element->ReasonCode ==
2582 MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
2583 map_idx = _mapping_get_ir_mt_idx_from_wwid(sc,
2585 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
2586 mps_dprint(sc, MPS_MAPPING,"%s: Failed "
2587 "to remove a volume because it has "
2588 "already been removed.\n",
2592 _mapping_update_ir_missing_cnt(sc, map_idx,
2593 element, wwid_table[i]);
2594 } else if (element->ReasonCode ==
2595 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED) {
2596 map_idx = _mapping_get_mt_idx_from_handle(sc,
2597 le16toh(element->VolDevHandle));
2598 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
2599 mps_dprint(sc, MPS_MAPPING,"%s: Failed "
2600 "to remove volume with handle "
2601 "0x%04x because it has already "
2602 "been removed.\n", __func__,
2603 le16toh(element->VolDevHandle));
2606 mt_entry = &sc->mapping_table[map_idx];
2607 _mapping_update_ir_missing_cnt(sc, map_idx,
2608 element, mt_entry->physical_id);
2614 _mapping_flush_dpm_pages(sc);
2615 free(wwid_table, M_MPT2);
2616 if (sc->pending_map_events)
2617 sc->pending_map_events--;
2621 mps_mapping_dump(SYSCTL_HANDLER_ARGS)
2623 struct mps_softc *sc;
2624 struct dev_mapping_table *mt_entry;
2628 sc = (struct mps_softc *)arg1;
2630 error = sysctl_wire_old_buffer(req, 0);
2633 sbuf_new_for_sysctl(&sbuf, NULL, 128, req);
2635 sbuf_printf(&sbuf, "\nindex physical_id handle id\n");
2636 for (i = 0; i < sc->max_devices; i++) {
2637 mt_entry = &sc->mapping_table[i];
2638 if (mt_entry->physical_id == 0)
2640 sbuf_printf(&sbuf, "%4d %jx %04x %hd\n",
2641 i, mt_entry->physical_id, mt_entry->dev_handle,
2644 error = sbuf_finish(&sbuf);
2650 mps_mapping_encl_dump(SYSCTL_HANDLER_ARGS)
2652 struct mps_softc *sc;
2653 struct enc_mapping_table *enc_entry;
2657 sc = (struct mps_softc *)arg1;
2659 error = sysctl_wire_old_buffer(req, 0);
2662 sbuf_new_for_sysctl(&sbuf, NULL, 128, req);
2664 sbuf_printf(&sbuf, "\nindex enclosure_id handle map_index\n");
2665 for (i = 0; i < sc->max_enclosures; i++) {
2666 enc_entry = &sc->enclosure_table[i];
2667 if (enc_entry->enclosure_id == 0)
2669 sbuf_printf(&sbuf, "%4d %jx %04x %d\n",
2670 i, enc_entry->enclosure_id, enc_entry->enc_handle,
2671 enc_entry->start_index);
2673 error = sbuf_finish(&sbuf);