2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2011-2015 LSI Corp.
5 * Copyright (c) 2013-2015 Avago Technologies
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
35 /* TODO Move headers to mpsvar */
36 #include <sys/types.h>
37 #include <sys/param.h>
39 #include <sys/mutex.h>
40 #include <sys/systm.h>
41 #include <sys/kernel.h>
42 #include <sys/malloc.h>
43 #include <sys/kthread.h>
44 #include <sys/taskqueue.h>
46 #include <sys/endian.h>
47 #include <sys/sysctl.h>
49 #include <sys/eventhandler.h>
51 #include <machine/bus.h>
52 #include <machine/resource.h>
53 #include <dev/mps/mpi/mpi2_type.h>
54 #include <dev/mps/mpi/mpi2.h>
55 #include <dev/mps/mpi/mpi2_ioc.h>
56 #include <dev/mps/mpi/mpi2_sas.h>
57 #include <dev/mps/mpi/mpi2_cnfg.h>
58 #include <dev/mps/mpi/mpi2_init.h>
59 #include <dev/mps/mpi/mpi2_tool.h>
60 #include <dev/mps/mps_ioctl.h>
61 #include <dev/mps/mpsvar.h>
62 #include <dev/mps/mps_mapping.h>
65 * _mapping_clear_map_entry - Clear a particular mapping entry.
66 * @map_entry: map table entry
71 _mapping_clear_map_entry(struct dev_mapping_table *map_entry)
73 map_entry->physical_id = 0;
74 map_entry->device_info = 0;
75 map_entry->phy_bits = 0;
76 map_entry->dpm_entry_num = MPS_DPM_BAD_IDX;
77 map_entry->dev_handle = 0;
79 map_entry->missing_count = 0;
80 map_entry->init_complete = 0;
81 map_entry->TLR_bits = (u8)MPI2_SCSIIO_CONTROL_NO_TLR;
85 * _mapping_clear_enc_entry - Clear a particular enclosure table entry.
86 * @enc_entry: enclosure table entry
91 _mapping_clear_enc_entry(struct enc_mapping_table *enc_entry)
93 enc_entry->enclosure_id = 0;
94 enc_entry->start_index = MPS_MAPTABLE_BAD_IDX;
95 enc_entry->phy_bits = 0;
96 enc_entry->dpm_entry_num = MPS_DPM_BAD_IDX;
97 enc_entry->enc_handle = 0;
98 enc_entry->num_slots = 0;
99 enc_entry->start_slot = 0;
100 enc_entry->missing_count = 0;
101 enc_entry->removal_flag = 0;
102 enc_entry->skip_search = 0;
103 enc_entry->init_complete = 0;
107 * _mapping_commit_enc_entry - write a particular enc entry in DPM page0.
108 * @sc: per adapter object
109 * @enc_entry: enclosure table entry
111 * Returns 0 for success, non-zero for failure.
114 _mapping_commit_enc_entry(struct mps_softc *sc,
115 struct enc_mapping_table *et_entry)
117 Mpi2DriverMap0Entry_t *dpm_entry;
118 struct dev_mapping_table *mt_entry;
119 Mpi2ConfigReply_t mpi_reply;
120 Mpi2DriverMappingPage0_t config_page;
122 if (!sc->is_dpm_enable)
125 memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t));
126 memcpy(&config_page.Header, (u8 *) sc->dpm_pg0,
127 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
128 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
129 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
130 dpm_entry += et_entry->dpm_entry_num;
131 dpm_entry->PhysicalIdentifier.Low =
132 ( 0xFFFFFFFF & et_entry->enclosure_id);
133 dpm_entry->PhysicalIdentifier.High =
134 ( et_entry->enclosure_id >> 32);
135 mt_entry = &sc->mapping_table[et_entry->start_index];
136 dpm_entry->DeviceIndex = htole16(mt_entry->id);
137 dpm_entry->MappingInformation = et_entry->num_slots;
138 dpm_entry->MappingInformation <<= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
139 dpm_entry->MappingInformation |= et_entry->missing_count;
140 dpm_entry->MappingInformation = htole16(dpm_entry->MappingInformation);
141 dpm_entry->PhysicalBitsMapping = htole32(et_entry->phy_bits);
142 dpm_entry->Reserved1 = 0;
144 mps_dprint(sc, MPS_MAPPING, "%s: Writing DPM entry %d for enclosure.\n",
145 __func__, et_entry->dpm_entry_num);
146 memcpy(&config_page.Entry, (u8 *)dpm_entry,
147 sizeof(Mpi2DriverMap0Entry_t));
148 if (mps_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
149 et_entry->dpm_entry_num)) {
150 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: Write of DPM "
151 "entry %d for enclosure failed.\n", __func__,
152 et_entry->dpm_entry_num);
153 dpm_entry->MappingInformation = le16toh(dpm_entry->
155 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
156 dpm_entry->PhysicalBitsMapping =
157 le32toh(dpm_entry->PhysicalBitsMapping);
160 dpm_entry->MappingInformation = le16toh(dpm_entry->
162 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
163 dpm_entry->PhysicalBitsMapping =
164 le32toh(dpm_entry->PhysicalBitsMapping);
169 * _mapping_commit_map_entry - write a particular map table entry in DPM page0.
170 * @sc: per adapter object
171 * @mt_entry: mapping table entry
173 * Returns 0 for success, non-zero for failure.
177 _mapping_commit_map_entry(struct mps_softc *sc,
178 struct dev_mapping_table *mt_entry)
180 Mpi2DriverMap0Entry_t *dpm_entry;
181 Mpi2ConfigReply_t mpi_reply;
182 Mpi2DriverMappingPage0_t config_page;
184 if (!sc->is_dpm_enable)
188 * It's possible that this Map Entry points to a BAD DPM index. This
189 * can happen if the Map Entry is a for a missing device and the DPM
190 * entry that was being used by this device is now being used by some
191 * new device. So, check for a BAD DPM index and just return if so.
193 if (mt_entry->dpm_entry_num == MPS_DPM_BAD_IDX) {
194 mps_dprint(sc, MPS_MAPPING, "%s: DPM entry location for target "
195 "%d is invalid. DPM will not be written.\n", __func__,
200 memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t));
201 memcpy(&config_page.Header, (u8 *)sc->dpm_pg0,
202 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
203 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *) sc->dpm_pg0 +
204 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
205 dpm_entry = dpm_entry + mt_entry->dpm_entry_num;
206 dpm_entry->PhysicalIdentifier.Low = (0xFFFFFFFF &
207 mt_entry->physical_id);
208 dpm_entry->PhysicalIdentifier.High = (mt_entry->physical_id >> 32);
209 dpm_entry->DeviceIndex = htole16(mt_entry->id);
210 dpm_entry->MappingInformation = htole16(mt_entry->missing_count);
211 dpm_entry->PhysicalBitsMapping = 0;
212 dpm_entry->Reserved1 = 0;
213 memcpy(&config_page.Entry, (u8 *)dpm_entry,
214 sizeof(Mpi2DriverMap0Entry_t));
216 mps_dprint(sc, MPS_MAPPING, "%s: Writing DPM entry %d for target %d.\n",
217 __func__, mt_entry->dpm_entry_num, mt_entry->id);
218 if (mps_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
219 mt_entry->dpm_entry_num)) {
220 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: Write of DPM "
221 "entry %d for target %d failed.\n", __func__,
222 mt_entry->dpm_entry_num, mt_entry->id);
223 dpm_entry->MappingInformation = le16toh(dpm_entry->
225 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
229 dpm_entry->MappingInformation = le16toh(dpm_entry->MappingInformation);
230 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
235 * _mapping_get_ir_maprange - get start and end index for IR map range.
236 * @sc: per adapter object
237 * @start_idx: place holder for start index
238 * @end_idx: place holder for end index
240 * The IR volumes can be mapped either at start or end of the mapping table
241 * this function gets the detail of where IR volume mapping starts and ends
242 * in the device mapping table
247 _mapping_get_ir_maprange(struct mps_softc *sc, u32 *start_idx, u32 *end_idx)
249 u16 volume_mapping_flags;
250 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
252 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
253 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
254 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
256 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
259 *start_idx = sc->max_devices - sc->max_volumes;
260 *end_idx = *start_idx + sc->max_volumes - 1;
264 * _mapping_get_enc_idx_from_id - get enclosure index from enclosure ID
265 * @sc: per adapter object
266 * @enc_id: enclosure logical identifier
268 * Returns the index of enclosure entry on success or bad index.
271 _mapping_get_enc_idx_from_id(struct mps_softc *sc, u64 enc_id,
274 struct enc_mapping_table *et_entry;
277 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) {
278 et_entry = &sc->enclosure_table[enc_idx];
279 if ((et_entry->enclosure_id == le64toh(enc_id)) &&
280 (!et_entry->phy_bits || (et_entry->phy_bits &
284 return MPS_ENCTABLE_BAD_IDX;
288 * _mapping_get_enc_idx_from_handle - get enclosure index from handle
289 * @sc: per adapter object
290 * @enc_id: enclosure handle
292 * Returns the index of enclosure entry on success or bad index.
295 _mapping_get_enc_idx_from_handle(struct mps_softc *sc, u16 handle)
297 struct enc_mapping_table *et_entry;
300 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) {
301 et_entry = &sc->enclosure_table[enc_idx];
302 if (et_entry->missing_count)
304 if (et_entry->enc_handle == handle)
307 return MPS_ENCTABLE_BAD_IDX;
311 * _mapping_get_high_missing_et_idx - get missing enclosure index
312 * @sc: per adapter object
314 * Search through the enclosure table and identifies the enclosure entry
315 * with high missing count and returns it's index
317 * Returns the index of enclosure entry on success or bad index.
320 _mapping_get_high_missing_et_idx(struct mps_softc *sc)
322 struct enc_mapping_table *et_entry;
323 u8 high_missing_count = 0;
324 u8 enc_idx, high_idx = MPS_ENCTABLE_BAD_IDX;
326 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) {
327 et_entry = &sc->enclosure_table[enc_idx];
328 if ((et_entry->missing_count > high_missing_count) &&
329 !et_entry->skip_search) {
330 high_missing_count = et_entry->missing_count;
338 * _mapping_get_high_missing_mt_idx - get missing map table index
339 * @sc: per adapter object
341 * Search through the map table and identifies the device entry
342 * with high missing count and returns it's index
344 * Returns the index of map table entry on success or bad index.
347 _mapping_get_high_missing_mt_idx(struct mps_softc *sc)
349 u32 map_idx, high_idx = MPS_MAPTABLE_BAD_IDX;
350 u8 high_missing_count = 0;
351 u32 start_idx, end_idx, start_idx_ir, end_idx_ir;
352 struct dev_mapping_table *mt_entry;
353 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
358 end_idx = sc->max_devices;
359 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
361 if (sc->ir_firmware) {
362 _mapping_get_ir_maprange(sc, &start_idx_ir, &end_idx_ir);
363 if (start_idx == start_idx_ir)
364 start_idx = end_idx_ir + 1;
366 end_idx = start_idx_ir;
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->missing_count > high_missing_count) {
371 high_missing_count = mt_entry->missing_count;
379 * _mapping_get_ir_mt_idx_from_wwid - get map table index from volume WWID
380 * @sc: per adapter object
381 * @wwid: world wide unique ID of the volume
383 * Returns the index of map table entry on success or bad index.
386 _mapping_get_ir_mt_idx_from_wwid(struct mps_softc *sc, u64 wwid)
388 u32 start_idx, end_idx, map_idx;
389 struct dev_mapping_table *mt_entry;
391 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
392 mt_entry = &sc->mapping_table[start_idx];
393 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)
394 if (mt_entry->physical_id == wwid)
397 return MPS_MAPTABLE_BAD_IDX;
401 * _mapping_get_mt_idx_from_id - get map table index from a device ID
402 * @sc: per adapter object
403 * @dev_id: device identifer (SAS Address)
405 * Returns the index of map table entry on success or bad index.
408 _mapping_get_mt_idx_from_id(struct mps_softc *sc, u64 dev_id)
411 struct dev_mapping_table *mt_entry;
413 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
414 mt_entry = &sc->mapping_table[map_idx];
415 if (mt_entry->physical_id == dev_id)
418 return MPS_MAPTABLE_BAD_IDX;
422 * _mapping_get_ir_mt_idx_from_handle - get map table index from volume handle
423 * @sc: per adapter object
424 * @wwid: volume device handle
426 * Returns the index of map table entry on success or bad index.
429 _mapping_get_ir_mt_idx_from_handle(struct mps_softc *sc, u16 volHandle)
431 u32 start_idx, end_idx, map_idx;
432 struct dev_mapping_table *mt_entry;
434 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
435 mt_entry = &sc->mapping_table[start_idx];
436 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)
437 if (mt_entry->dev_handle == volHandle)
440 return MPS_MAPTABLE_BAD_IDX;
444 * _mapping_get_mt_idx_from_handle - get map table index from handle
445 * @sc: per adapter object
446 * @dev_id: device handle
448 * Returns the index of map table entry on success or bad index.
451 _mapping_get_mt_idx_from_handle(struct mps_softc *sc, u16 handle)
454 struct dev_mapping_table *mt_entry;
456 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
457 mt_entry = &sc->mapping_table[map_idx];
458 if (mt_entry->dev_handle == handle)
461 return MPS_MAPTABLE_BAD_IDX;
465 * _mapping_get_free_ir_mt_idx - get first free index for a volume
466 * @sc: per adapter object
468 * Search through mapping table for free index for a volume and if no free
469 * index then looks for a volume with high mapping index
471 * Returns the index of map table entry on success or bad index.
474 _mapping_get_free_ir_mt_idx(struct mps_softc *sc)
476 u8 high_missing_count = 0;
477 u32 start_idx, end_idx, map_idx;
478 u32 high_idx = MPS_MAPTABLE_BAD_IDX;
479 struct dev_mapping_table *mt_entry;
482 * The IN_USE flag should be clear if the entry is available to use.
483 * This flag is cleared on initialization and and when a volume is
484 * deleted. All other times this flag should be set. If, for some
485 * reason, a free entry cannot be found, look for the entry with the
486 * highest missing count just in case there is one.
488 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
490 mt_entry = &sc->mapping_table[start_idx];
491 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) {
492 if (!(mt_entry->device_info & MPS_MAP_IN_USE))
495 if (mt_entry->missing_count > high_missing_count) {
496 high_missing_count = mt_entry->missing_count;
501 if (high_idx == MPS_MAPTABLE_BAD_IDX) {
502 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: Could not find a "
503 "free entry in the mapping table for a Volume. The mapping "
504 "table is probably corrupt.\n", __func__);
511 * _mapping_get_free_mt_idx - get first free index for a device
512 * @sc: per adapter object
513 * @start_idx: offset in the table to start search
515 * Returns the index of map table entry on success or bad index.
518 _mapping_get_free_mt_idx(struct mps_softc *sc, u32 start_idx)
520 u32 map_idx, max_idx = sc->max_devices;
521 struct dev_mapping_table *mt_entry = &sc->mapping_table[start_idx];
522 u16 volume_mapping_flags;
524 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
525 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
526 if (sc->ir_firmware && (volume_mapping_flags ==
527 MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING))
528 max_idx -= sc->max_volumes;
530 for (map_idx = start_idx; map_idx < max_idx; map_idx++, mt_entry++)
531 if (!(mt_entry->device_info & (MPS_MAP_IN_USE |
535 return MPS_MAPTABLE_BAD_IDX;
539 * _mapping_get_dpm_idx_from_id - get DPM index from ID
540 * @sc: per adapter object
541 * @id: volume WWID or enclosure ID or device ID
543 * Returns the index of DPM entry on success or bad index.
546 _mapping_get_dpm_idx_from_id(struct mps_softc *sc, u64 id, u32 phy_bits)
549 uint64_t PhysicalIdentifier;
550 Mpi2DriverMap0Entry_t *dpm_entry;
552 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
553 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
554 PhysicalIdentifier = dpm_entry->PhysicalIdentifier.High;
555 PhysicalIdentifier = (PhysicalIdentifier << 32) |
556 dpm_entry->PhysicalIdentifier.Low;
557 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++,
559 if ((id == PhysicalIdentifier) &&
560 (!phy_bits || !dpm_entry->PhysicalBitsMapping ||
561 (phy_bits & dpm_entry->PhysicalBitsMapping)))
564 return MPS_DPM_BAD_IDX;
568 * _mapping_get_free_dpm_idx - get first available DPM index
569 * @sc: per adapter object
571 * Returns the index of DPM entry on success or bad index.
574 _mapping_get_free_dpm_idx(struct mps_softc *sc)
577 Mpi2DriverMap0Entry_t *dpm_entry;
578 u16 current_entry = MPS_DPM_BAD_IDX, missing_cnt, high_missing_cnt = 0;
580 struct dev_mapping_table *mt_entry;
583 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) {
584 dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 +
585 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
586 dpm_entry += entry_num;
587 missing_cnt = dpm_entry->MappingInformation &
588 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
591 * If entry is used and not missing, then this entry can't be
592 * used. Look at next one.
594 if (sc->dpm_entry_used[entry_num] && !missing_cnt)
598 * If this entry is not used at all, then the missing count
599 * doesn't matter. Just use this one. Otherwise, keep looking
600 * and make sure the entry with the highest missing count is
603 if (!sc->dpm_entry_used[entry_num]) {
604 current_entry = entry_num;
607 if ((current_entry == MPS_DPM_BAD_IDX) ||
608 (missing_cnt > high_missing_cnt)) {
609 current_entry = entry_num;
610 high_missing_cnt = missing_cnt;
615 * If an entry has been found to use and it's already marked as used
616 * it means that some device was already using this entry but it's
617 * missing, and that means that the connection between the missing
618 * device's DPM entry and the mapping table needs to be cleared. To do
619 * this, use the Physical ID of the old device still in the DPM entry
620 * to find its mapping table entry, then mark its DPM entry as BAD.
622 if ((current_entry != MPS_DPM_BAD_IDX) &&
623 sc->dpm_entry_used[current_entry]) {
624 dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 +
625 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
626 dpm_entry += current_entry;
627 physical_id = dpm_entry->PhysicalIdentifier.High;
628 physical_id = (physical_id << 32) |
629 dpm_entry->PhysicalIdentifier.Low;
630 map_idx = _mapping_get_mt_idx_from_id(sc, physical_id);
631 if (map_idx != MPS_MAPTABLE_BAD_IDX) {
632 mt_entry = &sc->mapping_table[map_idx];
633 mt_entry->dpm_entry_num = MPS_DPM_BAD_IDX;
636 return current_entry;
640 * _mapping_update_ir_missing_cnt - Updates missing count for a volume
641 * @sc: per adapter object
642 * @map_idx: map table index of the volume
643 * @element: IR configuration change element
644 * @wwid: IR volume ID.
646 * Updates the missing count in the map table and in the DPM entry for a volume
651 _mapping_update_ir_missing_cnt(struct mps_softc *sc, u32 map_idx,
652 Mpi2EventIrConfigElement_t *element, u64 wwid)
654 struct dev_mapping_table *mt_entry;
655 u8 missing_cnt, reason = element->ReasonCode, update_dpm = 1;
657 Mpi2DriverMap0Entry_t *dpm_entry;
660 * Depending on the reason code, update the missing count. Always set
661 * the init_complete flag when here, so just do it first. That flag is
662 * used for volumes to make sure that the DPM entry has been updated.
663 * When a volume is deleted, clear the map entry's IN_USE flag so that
664 * the entry can be used again if another volume is created. Also clear
665 * its dev_handle entry so that other functions can't find this volume
666 * by the handle, since it's not defined any longer.
668 mt_entry = &sc->mapping_table[map_idx];
669 mt_entry->init_complete = 1;
670 if ((reason == MPI2_EVENT_IR_CHANGE_RC_ADDED) ||
671 (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED)) {
672 mt_entry->missing_count = 0;
673 } else if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED) {
674 if (mt_entry->missing_count < MPS_MAX_MISSING_COUNT)
675 mt_entry->missing_count++;
677 mt_entry->device_info &= ~MPS_MAP_IN_USE;
678 mt_entry->dev_handle = 0;
682 * If persistent mapping is enabled, update the DPM with the new missing
683 * count for the volume. If the DPM index is bad, get a free one. If
684 * it's bad for a volume that's being deleted do nothing because that
685 * volume doesn't have a DPM entry.
687 if (!sc->is_dpm_enable)
689 dpm_idx = mt_entry->dpm_entry_num;
690 if (dpm_idx == MPS_DPM_BAD_IDX) {
691 if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED)
693 mps_dprint(sc, MPS_MAPPING, "%s: Volume being deleted "
694 "is not in DPM so DPM missing count will not be "
695 "updated.\n", __func__);
699 if (dpm_idx == MPS_DPM_BAD_IDX)
700 dpm_idx = _mapping_get_free_dpm_idx(sc);
703 * Got the DPM entry for the volume or found a free DPM entry if this is
704 * a new volume. Check if the current information is outdated.
706 if (dpm_idx != MPS_DPM_BAD_IDX) {
707 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
708 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
709 dpm_entry += dpm_idx;
710 missing_cnt = dpm_entry->MappingInformation &
711 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
712 if ((mt_entry->physical_id ==
713 le64toh(((u64)dpm_entry->PhysicalIdentifier.High << 32) |
714 (u64)dpm_entry->PhysicalIdentifier.Low)) && (missing_cnt ==
715 mt_entry->missing_count)) {
716 mps_dprint(sc, MPS_MAPPING, "%s: DPM entry for volume "
717 "with target ID %d does not require an update.\n",
718 __func__, mt_entry->id);
724 * Update the volume's persistent info if it's new or the ID or missing
725 * count has changed. If a good DPM index has not been found by now,
726 * there is no space left in the DPM table.
728 if ((dpm_idx != MPS_DPM_BAD_IDX) && update_dpm) {
729 mps_dprint(sc, MPS_MAPPING, "%s: Update DPM entry for volume "
730 "with target ID %d.\n", __func__, mt_entry->id);
732 mt_entry->dpm_entry_num = dpm_idx;
733 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
734 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
735 dpm_entry += dpm_idx;
736 dpm_entry->PhysicalIdentifier.Low =
737 (0xFFFFFFFF & mt_entry->physical_id);
738 dpm_entry->PhysicalIdentifier.High =
739 (mt_entry->physical_id >> 32);
740 dpm_entry->DeviceIndex = map_idx;
741 dpm_entry->MappingInformation = mt_entry->missing_count;
742 dpm_entry->PhysicalBitsMapping = 0;
743 dpm_entry->Reserved1 = 0;
744 sc->dpm_flush_entry[dpm_idx] = 1;
745 sc->dpm_entry_used[dpm_idx] = 1;
746 } else if (dpm_idx == MPS_DPM_BAD_IDX) {
747 mps_dprint(sc, MPS_INFO | MPS_MAPPING, "%s: No space to add an "
748 "entry in the DPM table for volume with target ID %d.\n",
749 __func__, mt_entry->id);
754 * _mapping_add_to_removal_table - add DPM index to the removal table
755 * @sc: per adapter object
756 * @dpm_idx: Index of DPM entry to remove
758 * Adds a DPM entry number to the removal table.
763 _mapping_add_to_removal_table(struct mps_softc *sc, u16 dpm_idx)
765 struct map_removal_table *remove_entry;
769 * This is only used to remove entries from the DPM in the controller.
770 * If DPM is not enabled, just return.
772 if (!sc->is_dpm_enable)
776 * Find the first available removal_table entry and add the new entry
779 remove_entry = sc->removal_table;
781 for (i = 0; i < sc->max_devices; i++, remove_entry++) {
782 if (remove_entry->dpm_entry_num != MPS_DPM_BAD_IDX)
785 mps_dprint(sc, MPS_MAPPING, "%s: Adding DPM entry %d to table "
786 "for removal.\n", __func__, dpm_idx);
787 remove_entry->dpm_entry_num = dpm_idx;
794 * _mapping_update_missing_count - Update missing count for a device
795 * @sc: per adapter object
796 * @topo_change: Topology change event entry
798 * Increment the missing count in the mapping table for a device that is not
799 * responding. If Persitent Mapping is used, increment the DPM entry as well.
800 * Currently, this function only increments the missing count if the device
801 * goes missing, so after initialization has completed. This means that the
802 * missing count can only go from 0 to 1 here. The missing count is incremented
803 * during initialization as well, so that's where a target's missing count can
809 _mapping_update_missing_count(struct mps_softc *sc,
810 struct _map_topology_change *topo_change)
812 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
814 struct _map_phy_change *phy_change;
816 struct dev_mapping_table *mt_entry;
817 Mpi2DriverMap0Entry_t *dpm_entry;
819 for (entry = 0; entry < topo_change->num_entries; entry++) {
820 phy_change = &topo_change->phy_details[entry];
821 if (!phy_change->dev_handle || (phy_change->reason !=
822 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
824 map_idx = _mapping_get_mt_idx_from_handle(sc, phy_change->
826 phy_change->is_processed = 1;
827 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
828 mps_dprint(sc, MPS_INFO | MPS_MAPPING, "%s: device is "
829 "already removed from mapping table\n", __func__);
832 mt_entry = &sc->mapping_table[map_idx];
833 if (mt_entry->missing_count < MPS_MAX_MISSING_COUNT)
834 mt_entry->missing_count++;
837 * When using Enc/Slot mapping, when a device is removed, it's
838 * mapping table information should be cleared. Otherwise, the
839 * target ID will be incorrect if this same device is re-added
840 * to a different slot.
842 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
843 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
844 _mapping_clear_map_entry(mt_entry);
848 * When using device mapping, update the missing count in the
849 * DPM entry, but only if the missing count has changed.
851 if (((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
852 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) &&
854 mt_entry->dpm_entry_num != MPS_DPM_BAD_IDX) {
856 (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 +
857 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
858 dpm_entry += mt_entry->dpm_entry_num;
859 if (dpm_entry->MappingInformation !=
860 mt_entry->missing_count) {
861 dpm_entry->MappingInformation =
862 mt_entry->missing_count;
863 sc->dpm_flush_entry[mt_entry->dpm_entry_num] =
871 * _mapping_find_enc_map_space -find map table entries for enclosure
872 * @sc: per adapter object
873 * @et_entry: enclosure entry
875 * Search through the mapping table defragment it and provide contiguous
876 * space in map table for a particular enclosure entry
878 * Returns start index in map table or bad index.
881 _mapping_find_enc_map_space(struct mps_softc *sc,
882 struct enc_mapping_table *et_entry)
884 u16 vol_mapping_flags;
885 u32 skip_count, end_of_table, map_idx, enc_idx;
887 u32 start_idx = MPS_MAPTABLE_BAD_IDX;
888 struct dev_mapping_table *mt_entry;
889 struct enc_mapping_table *enc_entry;
890 unsigned char done_flag = 0, found_space;
891 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
893 skip_count = sc->num_rsvd_entries;
896 vol_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
897 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
900 * The end of the mapping table depends on where volumes are kept, if
903 if (!sc->ir_firmware)
904 end_of_table = sc->max_devices;
905 else if (vol_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING)
906 end_of_table = sc->max_devices;
908 end_of_table = sc->max_devices - sc->max_volumes;
911 * The skip_count is the number of entries that are reserved at the
912 * beginning of the mapping table. But, it does not include the number
913 * of Physical IDs that are reserved for direct attached devices. Look
914 * through the mapping table after these reserved entries to see if
915 * the devices for this enclosure are already mapped. The PHY bit check
916 * is used to make sure that at least one PHY bit is common between the
917 * enclosure and the device that is already mapped.
919 mps_dprint(sc, MPS_MAPPING, "%s: Looking for space in the mapping "
920 "table for added enclosure.\n", __func__);
921 for (map_idx = (max_num_phy_ids + skip_count);
922 map_idx < end_of_table; map_idx++) {
923 mt_entry = &sc->mapping_table[map_idx];
924 if ((et_entry->enclosure_id == mt_entry->physical_id) &&
925 (!mt_entry->phy_bits || (mt_entry->phy_bits &
926 et_entry->phy_bits))) {
928 if (num_found == et_entry->num_slots) {
929 start_idx = (map_idx - num_found) + 1;
930 mps_dprint(sc, MPS_MAPPING, "%s: Found space "
931 "in the mapping for enclosure at map index "
932 "%d.\n", __func__, start_idx);
940 * If the enclosure's devices are not mapped already, look for
941 * contiguous entries in the mapping table that are not reserved. If
942 * enough entries are found, return the starting index for that space.
945 for (map_idx = (max_num_phy_ids + skip_count);
946 map_idx < end_of_table; map_idx++) {
947 mt_entry = &sc->mapping_table[map_idx];
948 if (!(mt_entry->device_info & MPS_DEV_RESERVED)) {
950 if (num_found == et_entry->num_slots) {
951 start_idx = (map_idx - num_found) + 1;
952 mps_dprint(sc, MPS_MAPPING, "%s: Found space "
953 "in the mapping for enclosure at map index "
954 "%d.\n", __func__, start_idx);
962 * If here, it means that not enough space in the mapping table was
963 * found to support this enclosure, so go through the enclosure table to
964 * see if any enclosure entries have a missing count. If so, get the
965 * enclosure with the highest missing count and check it to see if there
966 * is enough space for the new enclosure.
969 enc_idx = _mapping_get_high_missing_et_idx(sc);
970 if (enc_idx == MPS_ENCTABLE_BAD_IDX) {
971 mps_dprint(sc, MPS_MAPPING, "%s: Not enough space was "
972 "found in the mapping for the added enclosure.\n",
974 return MPS_MAPTABLE_BAD_IDX;
978 * Found a missing enclosure. Set the skip_search flag so this
979 * enclosure is not checked again for a high missing count if
980 * the loop continues. This way, all missing enclosures can
981 * have their space added together to find enough space in the
982 * mapping table for the added enclosure. The space must be
985 mps_dprint(sc, MPS_MAPPING, "%s: Space from a missing "
986 "enclosure was found.\n", __func__);
987 enc_entry = &sc->enclosure_table[enc_idx];
988 enc_entry->skip_search = 1;
991 * Unmark all of the missing enclosure's device's reserved
992 * space. These will be remarked as reserved if this missing
993 * enclosure's space is not used.
995 mps_dprint(sc, MPS_MAPPING, "%s: Clear the reserved flag for "
996 "all of the map entries for the enclosure.\n", __func__);
997 mt_entry = &sc->mapping_table[enc_entry->start_index];
998 for (map_idx = enc_entry->start_index; map_idx <
999 (enc_entry->start_index + enc_entry->num_slots); map_idx++,
1001 mt_entry->device_info &= ~MPS_DEV_RESERVED;
1004 * Now that space has been unreserved, check again to see if
1005 * enough space is available for the new enclosure.
1007 mps_dprint(sc, MPS_MAPPING, "%s: Check if new mapping space is "
1008 "enough for the new enclosure.\n", __func__);
1011 for (map_idx = (max_num_phy_ids + skip_count);
1012 map_idx < end_of_table; map_idx++) {
1013 mt_entry = &sc->mapping_table[map_idx];
1014 if (!(mt_entry->device_info & MPS_DEV_RESERVED)) {
1016 if (num_found == et_entry->num_slots) {
1017 start_idx = (map_idx - num_found) + 1;
1028 * If enough space was found, all of the missing enclosures that
1029 * will be used for the new enclosure must be added to the
1030 * removal table. Then all mappings for the enclosure's devices
1031 * and for the enclosure itself need to be cleared. There may be
1032 * more than one enclosure to add to the removal table and
1035 mps_dprint(sc, MPS_MAPPING, "%s: Found space in the mapping "
1036 "for enclosure at map index %d.\n", __func__, start_idx);
1037 for (map_idx = start_idx; map_idx < (start_idx + num_found);
1039 enc_entry = sc->enclosure_table;
1040 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries;
1041 enc_idx++, enc_entry++) {
1042 if (map_idx < enc_entry->start_index ||
1043 map_idx > (enc_entry->start_index +
1044 enc_entry->num_slots))
1046 if (!enc_entry->removal_flag) {
1047 mps_dprint(sc, MPS_MAPPING, "%s: "
1048 "Enclosure %d will be removed from "
1049 "the mapping table.\n", __func__,
1051 enc_entry->removal_flag = 1;
1052 _mapping_add_to_removal_table(sc,
1053 enc_entry->dpm_entry_num);
1055 mt_entry = &sc->mapping_table[map_idx];
1056 _mapping_clear_map_entry(mt_entry);
1057 if (map_idx == (enc_entry->start_index +
1058 enc_entry->num_slots - 1))
1059 _mapping_clear_enc_entry(et_entry);
1064 * During the search for space for this enclosure, some entries
1065 * in the mapping table may have been unreserved. Go back and
1066 * change all of these to reserved again. Only the enclosures
1067 * with the removal_flag set should be left as unreserved. The
1068 * skip_search flag needs to be cleared as well so that the
1069 * enclosure's space will be looked at the next time space is
1072 enc_entry = sc->enclosure_table;
1073 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries;
1074 enc_idx++, enc_entry++) {
1075 if (!enc_entry->removal_flag) {
1076 mps_dprint(sc, MPS_MAPPING, "%s: Reset the "
1077 "reserved flag for all of the map entries "
1078 "for enclosure %d.\n", __func__, enc_idx);
1079 mt_entry = &sc->mapping_table[enc_entry->
1081 for (map_idx = enc_entry->start_index; map_idx <
1082 (enc_entry->start_index +
1083 enc_entry->num_slots); map_idx++,
1085 mt_entry->device_info |=
1087 et_entry->skip_search = 0;
1096 * _mapping_get_dev_info -get information about newly added devices
1097 * @sc: per adapter object
1098 * @topo_change: Topology change event entry
1100 * Search through the topology change event list and issues sas device pg0
1101 * requests for the newly added device and reserved entries in tables
1106 _mapping_get_dev_info(struct mps_softc *sc,
1107 struct _map_topology_change *topo_change)
1109 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1110 Mpi2ConfigReply_t mpi_reply;
1111 Mpi2SasDevicePage0_t sas_device_pg0;
1112 u8 entry, enc_idx, phy_idx;
1113 u32 map_idx, index, device_info;
1114 struct _map_phy_change *phy_change, *tmp_phy_change;
1115 uint64_t sas_address;
1116 struct enc_mapping_table *et_entry;
1117 struct dev_mapping_table *mt_entry;
1118 u8 add_code = MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED;
1121 for (entry = 0; entry < topo_change->num_entries; entry++) {
1122 phy_change = &topo_change->phy_details[entry];
1123 if (phy_change->is_processed || !phy_change->dev_handle ||
1124 phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED)
1127 if (mps_config_get_sas_device_pg0(sc, &mpi_reply,
1128 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
1129 phy_change->dev_handle)) {
1130 phy_change->is_processed = 1;
1135 * Always get SATA Identify information because this is used
1136 * to determine if Start/Stop Unit should be sent to the drive
1137 * when the system is shutdown.
1139 device_info = le32toh(sas_device_pg0.DeviceInfo);
1140 sas_address = le32toh(sas_device_pg0.SASAddress.High);
1141 sas_address = (sas_address << 32) |
1142 le32toh(sas_device_pg0.SASAddress.Low);
1143 if ((device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE) &&
1144 (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)) {
1145 rc = mpssas_get_sas_address_for_sata_disk(sc,
1146 &sas_address, phy_change->dev_handle, device_info,
1147 &phy_change->is_SATA_SSD);
1149 mps_dprint(sc, MPS_ERROR, "%s: failed to get "
1150 "disk type (SSD or HDD) and SAS Address "
1151 "for SATA device with handle 0x%04x\n",
1152 __func__, phy_change->dev_handle);
1156 phy_change->physical_id = sas_address;
1157 phy_change->slot = le16toh(sas_device_pg0.Slot);
1158 phy_change->device_info = device_info;
1161 * When using Enc/Slot mapping, if this device is an enclosure
1162 * make sure that all of its slots can fit into the mapping
1165 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1166 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1168 * The enclosure should already be in the enclosure
1169 * table due to the Enclosure Add event. If not, just
1170 * continue, nothing can be done.
1172 enc_idx = _mapping_get_enc_idx_from_handle(sc,
1173 topo_change->enc_handle);
1174 if (enc_idx == MPS_ENCTABLE_BAD_IDX) {
1175 phy_change->is_processed = 1;
1176 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: "
1177 "failed to add the device with handle "
1178 "0x%04x because enclosure handle 0x%04x "
1179 "is not in the mapping table\n", __func__,
1180 phy_change->dev_handle,
1181 topo_change->enc_handle);
1184 if (!((phy_change->device_info &
1185 MPI2_SAS_DEVICE_INFO_END_DEVICE) &&
1186 (phy_change->device_info &
1187 (MPI2_SAS_DEVICE_INFO_SSP_TARGET |
1188 MPI2_SAS_DEVICE_INFO_STP_TARGET |
1189 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))) {
1190 phy_change->is_processed = 1;
1193 et_entry = &sc->enclosure_table[enc_idx];
1196 * If the enclosure already has a start_index, it's been
1197 * mapped, so go to the next Topo change.
1199 if (et_entry->start_index != MPS_MAPTABLE_BAD_IDX)
1203 * If the Expander Handle is 0, the devices are direct
1204 * attached. In that case, the start_index must be just
1205 * after the reserved entries. Otherwise, find space in
1206 * the mapping table for the enclosure's devices.
1208 if (!topo_change->exp_handle) {
1209 map_idx = sc->num_rsvd_entries;
1210 et_entry->start_index = map_idx;
1212 map_idx = _mapping_find_enc_map_space(sc,
1214 et_entry->start_index = map_idx;
1217 * If space cannot be found to hold all of the
1218 * enclosure's devices in the mapping table,
1219 * there's no need to continue checking the
1220 * other devices in this event. Set all of the
1221 * phy_details for this event (if the change is
1222 * for an add) as already processed because none
1223 * of these devices can be added to the mapping
1226 if (et_entry->start_index ==
1227 MPS_MAPTABLE_BAD_IDX) {
1228 mps_dprint(sc, MPS_ERROR | MPS_MAPPING,
1229 "%s: failed to add the enclosure "
1230 "with ID 0x%016jx because there is "
1231 "no free space available in the "
1232 "mapping table for all of the "
1233 "enclosure's devices.\n", __func__,
1234 (uintmax_t)et_entry->enclosure_id);
1235 phy_change->is_processed = 1;
1236 for (phy_idx = 0; phy_idx <
1237 topo_change->num_entries;
1240 &topo_change->phy_details
1242 if (tmp_phy_change->reason ==
1252 * Found space in the mapping table for this enclosure.
1253 * Initialize each mapping table entry for the
1256 mps_dprint(sc, MPS_MAPPING, "%s: Initialize %d map "
1257 "entries for the enclosure, starting at map index "
1258 " %d.\n", __func__, et_entry->num_slots, map_idx);
1259 mt_entry = &sc->mapping_table[map_idx];
1260 for (index = map_idx; index < (et_entry->num_slots
1261 + map_idx); index++, mt_entry++) {
1262 mt_entry->device_info = MPS_DEV_RESERVED;
1263 mt_entry->physical_id = et_entry->enclosure_id;
1264 mt_entry->phy_bits = et_entry->phy_bits;
1265 mt_entry->missing_count = 0;
1272 * _mapping_set_mid_to_eid -set map table data from enclosure table
1273 * @sc: per adapter object
1274 * @et_entry: enclosure entry
1279 _mapping_set_mid_to_eid(struct mps_softc *sc,
1280 struct enc_mapping_table *et_entry)
1282 struct dev_mapping_table *mt_entry;
1283 u16 slots = et_entry->num_slots, map_idx;
1284 u32 start_idx = et_entry->start_index;
1286 if (start_idx != MPS_MAPTABLE_BAD_IDX) {
1287 mt_entry = &sc->mapping_table[start_idx];
1288 for (map_idx = 0; map_idx < slots; map_idx++, mt_entry++)
1289 mt_entry->physical_id = et_entry->enclosure_id;
1294 * _mapping_clear_removed_entries - mark the entries to be cleared
1295 * @sc: per adapter object
1297 * Search through the removal table and mark the entries which needs to be
1298 * flushed to DPM and also updates the map table and enclosure table by
1299 * clearing the corresponding entries.
1304 _mapping_clear_removed_entries(struct mps_softc *sc)
1307 struct map_removal_table *remove_entry;
1308 Mpi2DriverMap0Entry_t *dpm_entry;
1309 u8 done_flag = 0, num_entries, m, i;
1310 struct enc_mapping_table *et_entry, *from, *to;
1311 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1313 if (sc->is_dpm_enable) {
1314 remove_entry = sc->removal_table;
1315 for (remove_idx = 0; remove_idx < sc->max_devices;
1316 remove_idx++, remove_entry++) {
1317 if (remove_entry->dpm_entry_num != MPS_DPM_BAD_IDX) {
1318 dpm_entry = (Mpi2DriverMap0Entry_t *)
1319 ((u8 *) sc->dpm_pg0 +
1320 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1321 dpm_entry += remove_entry->dpm_entry_num;
1322 dpm_entry->PhysicalIdentifier.Low = 0;
1323 dpm_entry->PhysicalIdentifier.High = 0;
1324 dpm_entry->DeviceIndex = 0;
1325 dpm_entry->MappingInformation = 0;
1326 dpm_entry->PhysicalBitsMapping = 0;
1327 sc->dpm_flush_entry[remove_entry->
1329 sc->dpm_entry_used[remove_entry->dpm_entry_num]
1331 remove_entry->dpm_entry_num = MPS_DPM_BAD_IDX;
1337 * When using Enc/Slot mapping, if a new enclosure was added and old
1338 * enclosure space was needed, the enclosure table may now have gaps
1339 * that need to be closed. All enclosure mappings need to be contiguous
1340 * so that space can be reused correctly if available.
1342 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1343 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1344 num_entries = sc->num_enc_table_entries;
1345 while (!done_flag) {
1347 et_entry = sc->enclosure_table;
1348 for (i = 0; i < num_entries; i++, et_entry++) {
1349 if (!et_entry->enc_handle && et_entry->
1352 if (i != (num_entries - 1)) {
1353 from = &sc->enclosure_table
1355 to = &sc->enclosure_table[i];
1356 for (m = i; m < (num_entries -
1357 1); m++, from++, to++) {
1358 _mapping_set_mid_to_eid
1362 _mapping_clear_enc_entry(to);
1363 sc->num_enc_table_entries--;
1365 sc->num_enc_table_entries;
1367 _mapping_clear_enc_entry
1369 sc->num_enc_table_entries--;
1371 sc->num_enc_table_entries;
1380 * _mapping_add_new_device -Add the new device into mapping table
1381 * @sc: per adapter object
1382 * @topo_change: Topology change event entry
1384 * Search through the topology change event list and update map table,
1385 * enclosure table and DPM pages for the newly added devices.
1390 _mapping_add_new_device(struct mps_softc *sc,
1391 struct _map_topology_change *topo_change)
1393 u8 enc_idx, missing_cnt, is_removed = 0;
1395 u32 search_idx, map_idx;
1397 struct dev_mapping_table *mt_entry;
1398 struct enc_mapping_table *et_entry;
1399 struct _map_phy_change *phy_change;
1400 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1401 Mpi2DriverMap0Entry_t *dpm_entry;
1402 uint64_t temp64_var;
1403 u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
1404 u8 hdr_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER);
1405 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
1407 for (entry = 0; entry < topo_change->num_entries; entry++) {
1408 phy_change = &topo_change->phy_details[entry];
1409 if (phy_change->is_processed)
1411 if (phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED ||
1412 !phy_change->dev_handle) {
1413 phy_change->is_processed = 1;
1416 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1417 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1418 enc_idx = _mapping_get_enc_idx_from_handle
1419 (sc, topo_change->enc_handle);
1420 if (enc_idx == MPS_ENCTABLE_BAD_IDX) {
1421 phy_change->is_processed = 1;
1422 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: "
1423 "failed to add the device with handle "
1424 "0x%04x because enclosure handle 0x%04x "
1425 "is not in the mapping table\n", __func__,
1426 phy_change->dev_handle,
1427 topo_change->enc_handle);
1432 * If the enclosure's start_index is BAD here, it means
1433 * that there is no room in the mapping table to cover
1434 * all of the devices that could be in the enclosure.
1435 * There's no reason to process any of the devices for
1436 * this enclosure since they can't be mapped.
1438 et_entry = &sc->enclosure_table[enc_idx];
1439 if (et_entry->start_index == MPS_MAPTABLE_BAD_IDX) {
1440 phy_change->is_processed = 1;
1441 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: "
1442 "failed to add the device with handle "
1443 "0x%04x because there is no free space "
1444 "available in the mapping table\n",
1445 __func__, phy_change->dev_handle);
1450 * Add this device to the mapping table at the correct
1451 * offset where space was found to map the enclosure.
1452 * Then setup the DPM entry information if being used.
1454 map_idx = et_entry->start_index + phy_change->slot -
1455 et_entry->start_slot;
1456 mt_entry = &sc->mapping_table[map_idx];
1457 mt_entry->physical_id = phy_change->physical_id;
1458 mt_entry->id = map_idx;
1459 mt_entry->dev_handle = phy_change->dev_handle;
1460 mt_entry->missing_count = 0;
1461 mt_entry->dpm_entry_num = et_entry->dpm_entry_num;
1462 mt_entry->device_info = phy_change->device_info |
1463 (MPS_DEV_RESERVED | MPS_MAP_IN_USE);
1464 if (sc->is_dpm_enable) {
1465 dpm_idx = et_entry->dpm_entry_num;
1466 if (dpm_idx == MPS_DPM_BAD_IDX)
1467 dpm_idx = _mapping_get_dpm_idx_from_id
1468 (sc, et_entry->enclosure_id,
1469 et_entry->phy_bits);
1470 if (dpm_idx == MPS_DPM_BAD_IDX) {
1471 dpm_idx = _mapping_get_free_dpm_idx(sc);
1472 if (dpm_idx != MPS_DPM_BAD_IDX) {
1474 (Mpi2DriverMap0Entry_t *)
1475 ((u8 *) sc->dpm_pg0 +
1477 dpm_entry += dpm_idx;
1479 PhysicalIdentifier.Low =
1481 et_entry->enclosure_id);
1483 PhysicalIdentifier.High =
1484 (et_entry->enclosure_id
1486 dpm_entry->DeviceIndex =
1487 (U16)et_entry->start_index;
1488 dpm_entry->MappingInformation =
1489 et_entry->num_slots;
1490 dpm_entry->MappingInformation
1492 dpm_entry->PhysicalBitsMapping
1493 = et_entry->phy_bits;
1494 et_entry->dpm_entry_num =
1496 sc->dpm_entry_used[dpm_idx] = 1;
1497 sc->dpm_flush_entry[dpm_idx] =
1499 phy_change->is_processed = 1;
1501 phy_change->is_processed = 1;
1502 mps_dprint(sc, MPS_ERROR |
1503 MPS_MAPPING, "%s: failed "
1504 "to add the device with "
1506 "persistent table because "
1507 "there is no free space "
1508 "available\n", __func__,
1509 phy_change->dev_handle);
1512 et_entry->dpm_entry_num = dpm_idx;
1513 mt_entry->dpm_entry_num = dpm_idx;
1516 et_entry->init_complete = 1;
1517 } else if ((ioc_pg8_flags &
1518 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1519 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
1521 * Get the mapping table index for this device. If it's
1522 * not in the mapping table yet, find a free entry if
1523 * one is available. If there are no free entries, look
1524 * for the entry that has the highest missing count. If
1525 * none of that works to find an entry in the mapping
1526 * table, there is a problem. Log a message and just
1529 map_idx = _mapping_get_mt_idx_from_id
1530 (sc, phy_change->physical_id);
1531 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
1532 search_idx = sc->num_rsvd_entries;
1533 if (topo_change->exp_handle)
1534 search_idx += max_num_phy_ids;
1535 map_idx = _mapping_get_free_mt_idx(sc,
1540 * If an entry will be used that has a missing device,
1541 * clear its entry from the DPM in the controller.
1543 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
1544 map_idx = _mapping_get_high_missing_mt_idx(sc);
1545 if (map_idx != MPS_MAPTABLE_BAD_IDX) {
1546 mt_entry = &sc->mapping_table[map_idx];
1547 _mapping_add_to_removal_table(sc,
1548 mt_entry->dpm_entry_num);
1550 mt_entry->init_complete = 0;
1553 if (map_idx != MPS_MAPTABLE_BAD_IDX) {
1554 mt_entry = &sc->mapping_table[map_idx];
1555 mt_entry->physical_id = phy_change->physical_id;
1556 mt_entry->id = map_idx;
1557 mt_entry->dev_handle = phy_change->dev_handle;
1558 mt_entry->missing_count = 0;
1559 mt_entry->device_info = phy_change->device_info
1560 | (MPS_DEV_RESERVED | MPS_MAP_IN_USE);
1562 phy_change->is_processed = 1;
1563 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: "
1564 "failed to add the device with handle "
1565 "0x%04x because there is no free space "
1566 "available in the mapping table\n",
1567 __func__, phy_change->dev_handle);
1570 if (sc->is_dpm_enable) {
1571 if (mt_entry->dpm_entry_num !=
1573 dpm_idx = mt_entry->dpm_entry_num;
1574 dpm_entry = (Mpi2DriverMap0Entry_t *)
1575 ((u8 *)sc->dpm_pg0 + hdr_sz);
1576 dpm_entry += dpm_idx;
1577 missing_cnt = dpm_entry->
1578 MappingInformation &
1579 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
1580 temp64_var = dpm_entry->
1581 PhysicalIdentifier.High;
1582 temp64_var = (temp64_var << 32) |
1583 dpm_entry->PhysicalIdentifier.Low;
1586 * If the Mapping Table's info is not
1587 * the same as the DPM entry, clear the
1588 * init_complete flag so that it's
1591 if ((mt_entry->physical_id ==
1592 temp64_var) && !missing_cnt)
1593 mt_entry->init_complete = 1;
1595 mt_entry->init_complete = 0;
1597 dpm_idx = _mapping_get_free_dpm_idx(sc);
1598 mt_entry->init_complete = 0;
1600 if (dpm_idx != MPS_DPM_BAD_IDX &&
1601 !mt_entry->init_complete) {
1602 mt_entry->dpm_entry_num = dpm_idx;
1603 dpm_entry = (Mpi2DriverMap0Entry_t *)
1604 ((u8 *)sc->dpm_pg0 + hdr_sz);
1605 dpm_entry += dpm_idx;
1606 dpm_entry->PhysicalIdentifier.Low =
1608 mt_entry->physical_id);
1609 dpm_entry->PhysicalIdentifier.High =
1610 (mt_entry->physical_id >> 32);
1611 dpm_entry->DeviceIndex = (U16) map_idx;
1612 dpm_entry->MappingInformation = 0;
1613 dpm_entry->PhysicalBitsMapping = 0;
1614 sc->dpm_entry_used[dpm_idx] = 1;
1615 sc->dpm_flush_entry[dpm_idx] = 1;
1616 phy_change->is_processed = 1;
1617 } else if (dpm_idx == MPS_DPM_BAD_IDX) {
1618 phy_change->is_processed = 1;
1619 mps_dprint(sc, MPS_ERROR | MPS_MAPPING,
1620 "%s: failed to add the device with "
1621 "handle 0x%04x to persistent table "
1622 "because there is no free space "
1623 "available\n", __func__,
1624 phy_change->dev_handle);
1627 mt_entry->init_complete = 1;
1630 phy_change->is_processed = 1;
1633 _mapping_clear_removed_entries(sc);
1637 * _mapping_flush_dpm_pages -Flush the DPM pages to NVRAM
1638 * @sc: per adapter object
1643 _mapping_flush_dpm_pages(struct mps_softc *sc)
1645 Mpi2DriverMap0Entry_t *dpm_entry;
1646 Mpi2ConfigReply_t mpi_reply;
1647 Mpi2DriverMappingPage0_t config_page;
1650 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) {
1651 if (!sc->dpm_flush_entry[entry_num])
1653 memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t));
1654 memcpy(&config_page.Header, (u8 *)sc->dpm_pg0,
1655 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1656 dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 +
1657 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1658 dpm_entry += entry_num;
1659 dpm_entry->MappingInformation = htole16(dpm_entry->
1660 MappingInformation);
1661 dpm_entry->DeviceIndex = htole16(dpm_entry->DeviceIndex);
1662 dpm_entry->PhysicalBitsMapping = htole32(dpm_entry->
1663 PhysicalBitsMapping);
1664 memcpy(&config_page.Entry, (u8 *)dpm_entry,
1665 sizeof(Mpi2DriverMap0Entry_t));
1666 /* TODO-How to handle failed writes? */
1667 mps_dprint(sc, MPS_MAPPING, "%s: Flushing DPM entry %d.\n",
1668 __func__, entry_num);
1669 if (mps_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
1671 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: Flush of "
1672 "DPM entry %d for device failed\n", __func__,
1675 sc->dpm_flush_entry[entry_num] = 0;
1676 dpm_entry->MappingInformation = le16toh(dpm_entry->
1677 MappingInformation);
1678 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
1679 dpm_entry->PhysicalBitsMapping = le32toh(dpm_entry->
1680 PhysicalBitsMapping);
1685 * _mapping_allocate_memory- allocates the memory required for mapping tables
1686 * @sc: per adapter object
1688 * Allocates the memory for all the tables required for host mapping
1690 * Return 0 on success or non-zero on failure.
1693 mps_mapping_allocate_memory(struct mps_softc *sc)
1695 uint32_t dpm_pg0_sz;
1697 sc->mapping_table = malloc((sizeof(struct dev_mapping_table) *
1698 sc->max_devices), M_MPT2, M_ZERO|M_NOWAIT);
1699 if (!sc->mapping_table)
1700 goto free_resources;
1702 sc->removal_table = malloc((sizeof(struct map_removal_table) *
1703 sc->max_devices), M_MPT2, M_ZERO|M_NOWAIT);
1704 if (!sc->removal_table)
1705 goto free_resources;
1707 sc->enclosure_table = malloc((sizeof(struct enc_mapping_table) *
1708 sc->max_enclosures), M_MPT2, M_ZERO|M_NOWAIT);
1709 if (!sc->enclosure_table)
1710 goto free_resources;
1712 sc->dpm_entry_used = malloc((sizeof(u8) * sc->max_dpm_entries),
1713 M_MPT2, M_ZERO|M_NOWAIT);
1714 if (!sc->dpm_entry_used)
1715 goto free_resources;
1717 sc->dpm_flush_entry = malloc((sizeof(u8) * sc->max_dpm_entries),
1718 M_MPT2, M_ZERO|M_NOWAIT);
1719 if (!sc->dpm_flush_entry)
1720 goto free_resources;
1722 dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) +
1723 (sc->max_dpm_entries * sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY));
1725 sc->dpm_pg0 = malloc(dpm_pg0_sz, M_MPT2, M_ZERO|M_NOWAIT);
1727 printf("%s: memory alloc failed for dpm page; disabling dpm\n",
1729 sc->is_dpm_enable = 0;
1735 free(sc->mapping_table, M_MPT2);
1736 free(sc->removal_table, M_MPT2);
1737 free(sc->enclosure_table, M_MPT2);
1738 free(sc->dpm_entry_used, M_MPT2);
1739 free(sc->dpm_flush_entry, M_MPT2);
1740 free(sc->dpm_pg0, M_MPT2);
1741 printf("%s: device initialization failed due to failure in mapping "
1742 "table memory allocation\n", __func__);
1747 * mps_mapping_free_memory- frees the memory allocated for mapping tables
1748 * @sc: per adapter object
1753 mps_mapping_free_memory(struct mps_softc *sc)
1755 free(sc->mapping_table, M_MPT2);
1756 free(sc->removal_table, M_MPT2);
1757 free(sc->enclosure_table, M_MPT2);
1758 free(sc->dpm_entry_used, M_MPT2);
1759 free(sc->dpm_flush_entry, M_MPT2);
1760 free(sc->dpm_pg0, M_MPT2);
1764 _mapping_process_dpm_pg0(struct mps_softc *sc)
1766 u8 missing_cnt, enc_idx;
1767 u16 slot_id, entry_num, num_slots;
1768 u32 map_idx, dev_idx, start_idx, end_idx;
1769 struct dev_mapping_table *mt_entry;
1770 Mpi2DriverMap0Entry_t *dpm_entry;
1771 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1772 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
1773 struct enc_mapping_table *et_entry;
1778 * start_idx and end_idx are only used for IR.
1780 if (sc->ir_firmware)
1781 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
1784 * Look through all of the DPM entries that were read from the
1785 * controller and copy them over to the driver's internal table if they
1786 * have a non-zero ID. At this point, any ID with a value of 0 would be
1787 * invalid, so don't copy it.
1789 mps_dprint(sc, MPS_MAPPING, "%s: Start copy of %d DPM entries into the "
1790 "mapping table.\n", __func__, sc->max_dpm_entries);
1791 dpm_entry = (Mpi2DriverMap0Entry_t *) ((uint8_t *) sc->dpm_pg0 +
1792 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1793 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++,
1795 physical_id = dpm_entry->PhysicalIdentifier.High;
1796 physical_id = (physical_id << 32) |
1797 dpm_entry->PhysicalIdentifier.Low;
1799 sc->dpm_entry_used[entry_num] = 0;
1802 sc->dpm_entry_used[entry_num] = 1;
1803 dpm_entry->MappingInformation = le16toh(dpm_entry->
1804 MappingInformation);
1805 missing_cnt = dpm_entry->MappingInformation &
1806 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
1807 dev_idx = le16toh(dpm_entry->DeviceIndex);
1808 phy_bits = le32toh(dpm_entry->PhysicalBitsMapping);
1811 * Volumes are at special locations in the mapping table so
1812 * account for that. Volume mapping table entries do not depend
1813 * on the type of mapping, so continue the loop after adding
1814 * volumes to the mapping table.
1816 if (sc->ir_firmware && (dev_idx >= start_idx) &&
1817 (dev_idx <= end_idx)) {
1818 mt_entry = &sc->mapping_table[dev_idx];
1819 mt_entry->physical_id =
1820 dpm_entry->PhysicalIdentifier.High;
1821 mt_entry->physical_id = (mt_entry->physical_id << 32) |
1822 dpm_entry->PhysicalIdentifier.Low;
1823 mt_entry->id = dev_idx;
1824 mt_entry->missing_count = missing_cnt;
1825 mt_entry->dpm_entry_num = entry_num;
1826 mt_entry->device_info = MPS_DEV_RESERVED;
1829 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1830 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1832 * The dev_idx for an enclosure is the start index. If
1833 * the start index is within the controller's default
1834 * enclosure area, set the number of slots for this
1835 * enclosure to the max allowed. Otherwise, it should be
1836 * a normal enclosure and the number of slots is in the
1837 * DPM entry's Mapping Information.
1839 if (dev_idx < (sc->num_rsvd_entries +
1843 MPI2_IOCPAGE8_FLAGS_DA_START_SLOT_1)
1845 num_slots = max_num_phy_ids;
1848 num_slots = dpm_entry->MappingInformation &
1849 MPI2_DRVMAP0_MAPINFO_SLOT_MASK;
1850 num_slots >>= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
1852 enc_idx = sc->num_enc_table_entries;
1853 if (enc_idx >= sc->max_enclosures) {
1854 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: "
1855 "Number of enclosure entries in DPM exceed "
1856 "the max allowed of %d.\n", __func__,
1857 sc->max_enclosures);
1860 sc->num_enc_table_entries++;
1861 et_entry = &sc->enclosure_table[enc_idx];
1862 physical_id = dpm_entry->PhysicalIdentifier.High;
1863 et_entry->enclosure_id = (physical_id << 32) |
1864 dpm_entry->PhysicalIdentifier.Low;
1865 et_entry->start_index = dev_idx;
1866 et_entry->dpm_entry_num = entry_num;
1867 et_entry->num_slots = num_slots;
1868 et_entry->start_slot = slot_id;
1869 et_entry->missing_count = missing_cnt;
1870 et_entry->phy_bits = phy_bits;
1873 * Initialize all entries for this enclosure in the
1874 * mapping table and mark them as reserved. The actual
1875 * devices have not been processed yet but when they are
1876 * they will use these entries. If an entry is found
1877 * that already has a valid DPM index, the mapping table
1878 * is corrupt. This can happen if the mapping type is
1879 * changed without clearing all of the DPM entries in
1882 mt_entry = &sc->mapping_table[dev_idx];
1883 for (map_idx = dev_idx; map_idx < (dev_idx + num_slots);
1884 map_idx++, mt_entry++) {
1885 if (mt_entry->dpm_entry_num !=
1887 mps_dprint(sc, MPS_ERROR | MPS_MAPPING,
1888 "%s: Conflict in mapping table for "
1889 "enclosure %d device %d\n",
1890 __func__, enc_idx, map_idx);
1894 dpm_entry->PhysicalIdentifier.High;
1895 mt_entry->physical_id = (physical_id << 32) |
1896 dpm_entry->PhysicalIdentifier.Low;
1897 mt_entry->phy_bits = phy_bits;
1898 mt_entry->id = dev_idx;
1899 mt_entry->dpm_entry_num = entry_num;
1900 mt_entry->missing_count = missing_cnt;
1901 mt_entry->device_info = MPS_DEV_RESERVED;
1903 } else if ((ioc_pg8_flags &
1904 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1905 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;
2115 mps_dprint(sc, MPS_MAPPING, "%s: Mapping table has a max of %d entries "
2116 "and DPM has a max of %d entries.\n", __func__, sc->max_devices,
2117 sc->max_dpm_entries);
2118 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_DISABLE_PERSISTENT_MAPPING)
2119 sc->is_dpm_enable = 0;
2121 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
2122 sc->num_rsvd_entries = 1;
2124 volume_mapping_flags = sc->ioc_pg8.IRVolumeMappingFlags &
2125 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
2126 if (sc->ir_firmware && (volume_mapping_flags ==
2127 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING))
2128 sc->num_rsvd_entries += sc->max_volumes;
2130 error = mps_mapping_allocate_memory(sc);
2134 for (i = 0; i < sc->max_devices; i++)
2135 _mapping_clear_map_entry(sc->mapping_table + i);
2137 for (i = 0; i < sc->max_enclosures; i++)
2138 _mapping_clear_enc_entry(sc->enclosure_table + i);
2140 for (i = 0; i < sc->max_devices; i++) {
2141 sc->removal_table[i].dev_handle = 0;
2142 sc->removal_table[i].dpm_entry_num = MPS_DPM_BAD_IDX;
2145 memset(sc->dpm_entry_used, 0, sc->max_dpm_entries);
2146 memset(sc->dpm_flush_entry, 0, sc->max_dpm_entries);
2148 if (sc->is_dpm_enable) {
2149 dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) +
2150 (sc->max_dpm_entries *
2151 sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY));
2155 if (mps_config_get_dpm_pg0(sc, &mpi_reply, sc->dpm_pg0,
2157 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: DPM page "
2158 "read failed.\n", __func__);
2159 if (retry_count < 3) {
2161 goto retry_read_dpm;
2163 sc->is_dpm_enable = 0;
2167 if (sc->is_dpm_enable)
2168 _mapping_process_dpm_pg0(sc);
2170 mps_dprint(sc, MPS_MAPPING, "%s: DPM processing is disabled. "
2171 "Device mappings will not persist across reboots or "
2172 "resets.\n", __func__);
2175 sc->track_mapping_events = 1;
2180 * mps_mapping_exit - clear mapping table and associated memory
2181 * @sc: per adapter object
2186 mps_mapping_exit(struct mps_softc *sc)
2188 _mapping_flush_dpm_pages(sc);
2189 mps_mapping_free_memory(sc);
2193 * mps_mapping_get_tid - return the target id for sas device and handle
2194 * @sc: per adapter object
2195 * @sas_address: sas address of the device
2196 * @handle: device handle
2198 * Returns valid target ID on success or BAD_ID.
2201 mps_mapping_get_tid(struct mps_softc *sc, uint64_t sas_address, u16 handle)
2204 struct dev_mapping_table *mt_entry;
2206 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
2207 mt_entry = &sc->mapping_table[map_idx];
2208 if (mt_entry->dev_handle == handle && mt_entry->physical_id ==
2210 return mt_entry->id;
2213 return MPS_MAP_BAD_ID;
2217 * mps_mapping_get_tid_from_handle - find a target id in mapping table using
2218 * only the dev handle. This is just a wrapper function for the local function
2219 * _mapping_get_mt_idx_from_handle.
2220 * @sc: per adapter object
2221 * @handle: device handle
2223 * Returns valid target ID on success or BAD_ID.
2226 mps_mapping_get_tid_from_handle(struct mps_softc *sc, u16 handle)
2228 return (_mapping_get_mt_idx_from_handle(sc, handle));
2232 * mps_mapping_get_raid_tid - return the target id for raid device
2233 * @sc: per adapter object
2234 * @wwid: world wide identifier for raid volume
2235 * @volHandle: volume device handle
2237 * Returns valid target ID on success or BAD_ID.
2240 mps_mapping_get_raid_tid(struct mps_softc *sc, u64 wwid, u16 volHandle)
2242 u32 start_idx, end_idx, map_idx;
2243 struct dev_mapping_table *mt_entry;
2245 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
2246 mt_entry = &sc->mapping_table[start_idx];
2247 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) {
2248 if (mt_entry->dev_handle == volHandle &&
2249 mt_entry->physical_id == wwid)
2250 return mt_entry->id;
2253 return MPS_MAP_BAD_ID;
2257 * mps_mapping_get_raid_tid_from_handle - find raid device in mapping table
2258 * using only the volume dev handle. This is just a wrapper function for the
2259 * local function _mapping_get_ir_mt_idx_from_handle.
2260 * @sc: per adapter object
2261 * @volHandle: volume device handle
2263 * Returns valid target ID on success or BAD_ID.
2266 mps_mapping_get_raid_tid_from_handle(struct mps_softc *sc, u16 volHandle)
2268 return (_mapping_get_ir_mt_idx_from_handle(sc, volHandle));
2272 * mps_mapping_enclosure_dev_status_change_event - handle enclosure events
2273 * @sc: per adapter object
2274 * @event_data: event data payload
2279 mps_mapping_enclosure_dev_status_change_event(struct mps_softc *sc,
2280 Mpi2EventDataSasEnclDevStatusChange_t *event_data)
2282 u8 enc_idx, missing_count;
2283 struct enc_mapping_table *et_entry;
2284 Mpi2DriverMap0Entry_t *dpm_entry;
2285 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
2286 u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
2287 u8 update_phy_bits = 0;
2289 uint64_t temp64_var;
2291 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) !=
2292 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING)
2295 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
2296 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
2298 if (event_data->ReasonCode == MPI2_EVENT_SAS_ENCL_RC_ADDED) {
2299 if (!event_data->NumSlots) {
2300 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: Enclosure "
2301 "with handle = 0x%x reported 0 slots.\n", __func__,
2302 le16toh(event_data->EnclosureHandle));
2305 temp64_var = event_data->EnclosureLogicalID.High;
2306 temp64_var = (temp64_var << 32) |
2307 event_data->EnclosureLogicalID.Low;
2308 enc_idx = _mapping_get_enc_idx_from_id(sc, temp64_var,
2309 event_data->PhyBits);
2312 * If the Added enclosure is already in the Enclosure Table,
2313 * make sure that all the the enclosure info is up to date. If
2314 * the enclosure was missing and has just been added back, or if
2315 * the enclosure's Phy Bits have changed, clear the missing
2316 * count and update the Phy Bits in the mapping table and in the
2317 * DPM, if it's being used.
2319 if (enc_idx != MPS_ENCTABLE_BAD_IDX) {
2320 et_entry = &sc->enclosure_table[enc_idx];
2321 if (et_entry->init_complete &&
2322 !et_entry->missing_count) {
2323 mps_dprint(sc, MPS_MAPPING, "%s: Enclosure %d "
2324 "is already present with handle = 0x%x\n",
2325 __func__, enc_idx, et_entry->enc_handle);
2328 et_entry->enc_handle = le16toh(event_data->
2330 et_entry->start_slot = le16toh(event_data->StartSlot);
2331 saved_phy_bits = et_entry->phy_bits;
2332 et_entry->phy_bits |= le32toh(event_data->PhyBits);
2333 if (saved_phy_bits != et_entry->phy_bits)
2334 update_phy_bits = 1;
2335 if (et_entry->missing_count || update_phy_bits) {
2336 et_entry->missing_count = 0;
2337 if (sc->is_dpm_enable &&
2338 et_entry->dpm_entry_num !=
2340 dpm_entry += et_entry->dpm_entry_num;
2342 (u8)(dpm_entry->MappingInformation &
2343 MPI2_DRVMAP0_MAPINFO_MISSING_MASK);
2344 if (missing_count || update_phy_bits) {
2345 dpm_entry->MappingInformation
2346 = et_entry->num_slots;
2347 dpm_entry->MappingInformation
2349 dpm_entry->PhysicalBitsMapping
2350 = et_entry->phy_bits;
2351 sc->dpm_flush_entry[et_entry->
2358 * This is a new enclosure that is being added.
2359 * Initialize the Enclosure Table entry. It will be
2360 * finalized when a device is added for the enclosure
2361 * and the enclosure has enough space in the Mapping
2362 * Table to map its devices.
2364 if (sc->num_enc_table_entries < sc->max_enclosures) {
2365 enc_idx = sc->num_enc_table_entries;
2366 sc->num_enc_table_entries++;
2368 enc_idx = _mapping_get_high_missing_et_idx(sc);
2369 if (enc_idx != MPS_ENCTABLE_BAD_IDX) {
2370 et_entry = &sc->enclosure_table[enc_idx];
2371 _mapping_add_to_removal_table(sc,
2372 et_entry->dpm_entry_num);
2373 _mapping_clear_enc_entry(et_entry);
2376 if (enc_idx == MPS_ENCTABLE_BAD_IDX) {
2377 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: "
2378 "Enclosure cannot be added to mapping "
2379 "table because it's full.\n", __func__);
2382 et_entry = &sc->enclosure_table[enc_idx];
2383 et_entry->enc_handle = le16toh(event_data->
2385 et_entry->enclosure_id = le64toh(event_data->
2386 EnclosureLogicalID.High);
2387 et_entry->enclosure_id =
2388 ((et_entry->enclosure_id << 32) |
2389 le64toh(event_data->EnclosureLogicalID.Low));
2390 et_entry->start_index = MPS_MAPTABLE_BAD_IDX;
2391 et_entry->dpm_entry_num = MPS_DPM_BAD_IDX;
2392 et_entry->num_slots = le16toh(event_data->NumSlots);
2393 et_entry->start_slot = le16toh(event_data->StartSlot);
2394 et_entry->phy_bits = le32toh(event_data->PhyBits);
2396 et_entry->init_complete = 1;
2397 } else if (event_data->ReasonCode ==
2398 MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING) {
2400 * An enclosure was removed. Update its missing count and then
2401 * update the DPM entry with the new missing count for the
2404 enc_idx = _mapping_get_enc_idx_from_handle(sc,
2405 le16toh(event_data->EnclosureHandle));
2406 if (enc_idx == MPS_ENCTABLE_BAD_IDX) {
2407 mps_dprint(sc, MPS_ERROR | MPS_MAPPING, "%s: Cannot "
2408 "unmap enclosure with handle 0x%04x because it "
2409 "has already been deleted.\n", __func__,
2410 le16toh(event_data->EnclosureHandle));
2413 et_entry = &sc->enclosure_table[enc_idx];
2414 if (et_entry->missing_count < MPS_MAX_MISSING_COUNT)
2415 et_entry->missing_count++;
2416 if (sc->is_dpm_enable &&
2417 et_entry->dpm_entry_num != MPS_DPM_BAD_IDX) {
2418 dpm_entry += et_entry->dpm_entry_num;
2419 dpm_entry->MappingInformation = et_entry->num_slots;
2420 dpm_entry->MappingInformation <<= map_shift;
2421 dpm_entry->MappingInformation |=
2422 et_entry->missing_count;
2423 sc->dpm_flush_entry[et_entry->dpm_entry_num] = 1;
2425 et_entry->init_complete = 1;
2429 _mapping_flush_dpm_pages(sc);
2430 if (sc->pending_map_events)
2431 sc->pending_map_events--;
2435 * mps_mapping_topology_change_event - handle topology change events
2436 * @sc: per adapter object
2437 * @event_data: event data payload
2442 mps_mapping_topology_change_event(struct mps_softc *sc,
2443 Mpi2EventDataSasTopologyChangeList_t *event_data)
2445 struct _map_topology_change topo_change;
2446 struct _map_phy_change *phy_change;
2447 Mpi2EventSasTopoPhyEntry_t *event_phy_change;
2450 topo_change.enc_handle = le16toh(event_data->EnclosureHandle);
2451 topo_change.exp_handle = le16toh(event_data->ExpanderDevHandle);
2452 num_entries = event_data->NumEntries;
2453 topo_change.num_entries = num_entries;
2454 topo_change.start_phy_num = event_data->StartPhyNum;
2455 topo_change.num_phys = event_data->NumPhys;
2456 topo_change.exp_status = event_data->ExpStatus;
2457 event_phy_change = event_data->PHY;
2458 topo_change.phy_details = NULL;
2462 phy_change = malloc(sizeof(struct _map_phy_change) * num_entries,
2463 M_MPT2, M_NOWAIT|M_ZERO);
2464 topo_change.phy_details = phy_change;
2467 for (i = 0; i < num_entries; i++, event_phy_change++, phy_change++) {
2468 phy_change->dev_handle = le16toh(event_phy_change->
2470 phy_change->reason = event_phy_change->PhyStatus &
2471 MPI2_EVENT_SAS_TOPO_RC_MASK;
2473 _mapping_update_missing_count(sc, &topo_change);
2474 _mapping_get_dev_info(sc, &topo_change);
2475 _mapping_clear_removed_entries(sc);
2476 _mapping_add_new_device(sc, &topo_change);
2479 free(topo_change.phy_details, M_MPT2);
2480 _mapping_flush_dpm_pages(sc);
2481 if (sc->pending_map_events)
2482 sc->pending_map_events--;
2486 * mps_mapping_ir_config_change_event - handle IR config change list events
2487 * @sc: per adapter object
2488 * @event_data: event data payload
2493 mps_mapping_ir_config_change_event(struct mps_softc *sc,
2494 Mpi2EventDataIrConfigChangeList_t *event_data)
2496 Mpi2EventIrConfigElement_t *element;
2500 struct dev_mapping_table *mt_entry;
2503 wwid_table = malloc(sizeof(u64) * event_data->NumElements, M_MPT2,
2507 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
2508 flags = le32toh(event_data->Flags);
2511 * For volume changes, get the WWID for the volume and put it in a
2512 * table to be used in the processing of the IR change event.
2514 for (i = 0; i < event_data->NumElements; i++, element++) {
2515 element_flags = le16toh(element->ElementFlags);
2516 if ((element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_ADDED) &&
2517 (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_REMOVED) &&
2518 (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE)
2519 && (element->ReasonCode !=
2520 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED))
2522 if ((element_flags &
2523 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK) ==
2524 MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT) {
2525 mps_config_get_volume_wwid(sc,
2526 le16toh(element->VolDevHandle), &wwid_table[i]);
2531 * Check the ReasonCode for each element in the IR event and Add/Remove
2532 * Volumes or Physical Disks of Volumes to/from the mapping table. Use
2533 * the WWIDs gotten above in wwid_table.
2535 if (flags == MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
2538 element = (Mpi2EventIrConfigElement_t *)&event_data->
2540 for (i = 0; i < event_data->NumElements; i++, element++) {
2541 if (element->ReasonCode ==
2542 MPI2_EVENT_IR_CHANGE_RC_ADDED ||
2543 element->ReasonCode ==
2544 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) {
2545 map_idx = _mapping_get_ir_mt_idx_from_wwid
2546 (sc, wwid_table[i]);
2547 if (map_idx != MPS_MAPTABLE_BAD_IDX) {
2549 * The volume is already in the mapping
2550 * table. Just update it's info.
2552 mt_entry = &sc->mapping_table[map_idx];
2553 mt_entry->id = map_idx;
2554 mt_entry->dev_handle = le16toh
2555 (element->VolDevHandle);
2556 mt_entry->device_info =
2557 MPS_DEV_RESERVED | MPS_MAP_IN_USE;
2558 _mapping_update_ir_missing_cnt(sc,
2559 map_idx, element, wwid_table[i]);
2564 * Volume is not in mapping table yet. Find a
2565 * free entry in the mapping table at the
2566 * volume mapping locations. If no entries are
2567 * available, this is an error because it means
2568 * there are more volumes than can be mapped
2569 * and that should never happen for volumes.
2571 map_idx = _mapping_get_free_ir_mt_idx(sc);
2572 if (map_idx == MPS_MAPTABLE_BAD_IDX)
2574 mps_dprint(sc, MPS_ERROR | MPS_MAPPING,
2575 "%s: failed to add the volume with "
2576 "handle 0x%04x because there is no "
2577 "free space available in the "
2578 "mapping table\n", __func__,
2579 le16toh(element->VolDevHandle));
2582 mt_entry = &sc->mapping_table[map_idx];
2583 mt_entry->physical_id = wwid_table[i];
2584 mt_entry->id = map_idx;
2585 mt_entry->dev_handle = le16toh(element->
2587 mt_entry->device_info = MPS_DEV_RESERVED |
2589 _mapping_update_ir_missing_cnt(sc, map_idx,
2590 element, wwid_table[i]);
2591 } else if (element->ReasonCode ==
2592 MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
2593 map_idx = _mapping_get_ir_mt_idx_from_wwid(sc,
2595 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
2596 mps_dprint(sc, MPS_MAPPING,"%s: Failed "
2597 "to remove a volume because it has "
2598 "already been removed.\n",
2602 _mapping_update_ir_missing_cnt(sc, map_idx,
2603 element, wwid_table[i]);
2604 } else if (element->ReasonCode ==
2605 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED) {
2606 map_idx = _mapping_get_mt_idx_from_handle(sc,
2607 le16toh(element->VolDevHandle));
2608 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
2609 mps_dprint(sc, MPS_MAPPING,"%s: Failed "
2610 "to remove volume with handle "
2611 "0x%04x because it has already "
2612 "been removed.\n", __func__,
2613 le16toh(element->VolDevHandle));
2616 mt_entry = &sc->mapping_table[map_idx];
2617 _mapping_update_ir_missing_cnt(sc, map_idx,
2618 element, mt_entry->physical_id);
2624 _mapping_flush_dpm_pages(sc);
2625 free(wwid_table, M_MPT2);
2626 if (sc->pending_map_events)
2627 sc->pending_map_events--;
2631 mps_mapping_dump(SYSCTL_HANDLER_ARGS)
2633 struct mps_softc *sc;
2634 struct dev_mapping_table *mt_entry;
2638 sc = (struct mps_softc *)arg1;
2640 error = sysctl_wire_old_buffer(req, 0);
2643 sbuf_new_for_sysctl(&sbuf, NULL, 128, req);
2645 sbuf_printf(&sbuf, "\nindex physical_id handle id\n");
2646 for (i = 0; i < sc->max_devices; i++) {
2647 mt_entry = &sc->mapping_table[i];
2648 if (mt_entry->physical_id == 0)
2650 sbuf_printf(&sbuf, "%4d %jx %04x %hd\n",
2651 i, mt_entry->physical_id, mt_entry->dev_handle,
2654 error = sbuf_finish(&sbuf);
2660 mps_mapping_encl_dump(SYSCTL_HANDLER_ARGS)
2662 struct mps_softc *sc;
2663 struct enc_mapping_table *enc_entry;
2667 sc = (struct mps_softc *)arg1;
2669 error = sysctl_wire_old_buffer(req, 0);
2672 sbuf_new_for_sysctl(&sbuf, NULL, 128, req);
2674 sbuf_printf(&sbuf, "\nindex enclosure_id handle map_index\n");
2675 for (i = 0; i < sc->max_enclosures; i++) {
2676 enc_entry = &sc->enclosure_table[i];
2677 if (enc_entry->enclosure_id == 0)
2679 sbuf_printf(&sbuf, "%4d %jx %04x %d\n",
2680 i, enc_entry->enclosure_id, enc_entry->enc_handle,
2681 enc_entry->start_index);
2683 error = sbuf_finish(&sbuf);