2 * Copyright (c) 2011 LSI Corp.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * LSI MPT-Fusion Host Adapter FreeBSD
28 * $FreeBSD: src/sys/dev/mps/mps_mapping.c,v 1.1 2012/01/26 18:17:21 ken Exp $
31 /* TODO Move headers to mpsvar */
32 #include <sys/types.h>
33 #include <sys/param.h>
35 #include <sys/mutex.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
38 #include <sys/malloc.h>
39 #include <sys/kthread.h>
40 #include <sys/taskqueue.h>
42 #include <sys/endian.h>
43 #include <sys/sysctl.h>
44 #include <sys/eventhandler.h>
46 #include <dev/raid/mps/mpi/mpi2_type.h>
47 #include <dev/raid/mps/mpi/mpi2.h>
48 #include <dev/raid/mps/mpi/mpi2_ioc.h>
49 #include <dev/raid/mps/mpi/mpi2_sas.h>
50 #include <dev/raid/mps/mpi/mpi2_cnfg.h>
51 #include <dev/raid/mps/mpi/mpi2_init.h>
52 #include <dev/raid/mps/mpi/mpi2_tool.h>
53 #include <dev/raid/mps/mps_ioctl.h>
54 #include <dev/raid/mps/mpsvar.h>
55 #include <dev/raid/mps/mps_mapping.h>
58 * _mapping_clear_entry - Clear a particular mapping entry.
59 * @map_entry: map table entry
64 _mapping_clear_map_entry(struct dev_mapping_table *map_entry)
66 map_entry->physical_id = 0;
67 map_entry->device_info = 0;
68 map_entry->phy_bits = 0;
69 map_entry->dpm_entry_num = MPS_DPM_BAD_IDX;
70 map_entry->dev_handle = 0;
71 map_entry->channel = -1;
73 map_entry->missing_count = 0;
74 map_entry->init_complete = 0;
75 map_entry->TLR_bits = (u8)MPI2_SCSIIO_CONTROL_NO_TLR;
79 * _mapping_clear_enc_entry - Clear a particular enclosure table entry.
80 * @enc_entry: enclosure table entry
85 _mapping_clear_enc_entry(struct enc_mapping_table *enc_entry)
87 enc_entry->enclosure_id = 0;
88 enc_entry->start_index = MPS_MAPTABLE_BAD_IDX;
89 enc_entry->phy_bits = 0;
90 enc_entry->dpm_entry_num = MPS_DPM_BAD_IDX;
91 enc_entry->enc_handle = 0;
92 enc_entry->num_slots = 0;
93 enc_entry->start_slot = 0;
94 enc_entry->missing_count = 0;
95 enc_entry->removal_flag = 0;
96 enc_entry->skip_search = 0;
97 enc_entry->init_complete = 0;
101 * _mapping_commit_enc_entry - write a particular enc entry in DPM page0.
102 * @sc: per adapter object
103 * @enc_entry: enclosure table entry
105 * Returns 0 for success, non-zero for failure.
108 _mapping_commit_enc_entry(struct mps_softc *sc,
109 struct enc_mapping_table *et_entry)
111 Mpi2DriverMap0Entry_t *dpm_entry;
112 struct dev_mapping_table *mt_entry;
113 Mpi2ConfigReply_t mpi_reply;
114 Mpi2DriverMappingPage0_t config_page;
116 if (!sc->is_dpm_enable)
119 memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t));
120 memcpy(&config_page.Header, (u8 *) sc->dpm_pg0,
121 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
122 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
123 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
124 dpm_entry += et_entry->dpm_entry_num;
125 dpm_entry->PhysicalIdentifier.Low =
126 ( 0xFFFFFFFF & et_entry->enclosure_id);
127 dpm_entry->PhysicalIdentifier.High =
128 ( et_entry->enclosure_id >> 32);
129 mt_entry = &sc->mapping_table[et_entry->start_index];
130 dpm_entry->DeviceIndex = htole16(mt_entry->id);
131 dpm_entry->MappingInformation = et_entry->num_slots;
132 dpm_entry->MappingInformation <<= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
133 dpm_entry->MappingInformation |= et_entry->missing_count;
134 dpm_entry->MappingInformation = htole16(dpm_entry->MappingInformation);
135 dpm_entry->PhysicalBitsMapping = htole32(et_entry->phy_bits);
136 dpm_entry->Reserved1 = 0;
138 memcpy(&config_page.Entry, (u8 *)dpm_entry,
139 sizeof(Mpi2DriverMap0Entry_t));
140 if (mps_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
141 et_entry->dpm_entry_num)) {
142 kprintf("%s: write of dpm entry %d for enclosure failed\n",
143 __func__, et_entry->dpm_entry_num);
144 dpm_entry->MappingInformation = le16toh(dpm_entry->
146 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
147 dpm_entry->PhysicalBitsMapping =
148 le32toh(dpm_entry->PhysicalBitsMapping);
151 dpm_entry->MappingInformation = le16toh(dpm_entry->
153 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
154 dpm_entry->PhysicalBitsMapping =
155 le32toh(dpm_entry->PhysicalBitsMapping);
160 * _mapping_commit_map_entry - write a particular map table entry in DPM page0.
161 * @sc: per adapter object
162 * @enc_entry: enclosure table entry
164 * Returns 0 for success, non-zero for failure.
168 _mapping_commit_map_entry(struct mps_softc *sc,
169 struct dev_mapping_table *mt_entry)
171 Mpi2DriverMap0Entry_t *dpm_entry;
172 Mpi2ConfigReply_t mpi_reply;
173 Mpi2DriverMappingPage0_t config_page;
175 if (!sc->is_dpm_enable)
178 memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t));
179 memcpy(&config_page.Header, (u8 *)sc->dpm_pg0,
180 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
181 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *) sc->dpm_pg0 +
182 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
183 dpm_entry = dpm_entry + mt_entry->dpm_entry_num;
184 dpm_entry->PhysicalIdentifier.Low = (0xFFFFFFFF &
185 mt_entry->physical_id);
186 dpm_entry->PhysicalIdentifier.High = (mt_entry->physical_id >> 32);
187 dpm_entry->DeviceIndex = htole16(mt_entry->id);
188 dpm_entry->MappingInformation = htole16(mt_entry->missing_count);
189 dpm_entry->PhysicalBitsMapping = 0;
190 dpm_entry->Reserved1 = 0;
191 dpm_entry->MappingInformation = htole16(dpm_entry->MappingInformation);
192 memcpy(&config_page.Entry, (u8 *)dpm_entry,
193 sizeof(Mpi2DriverMap0Entry_t));
194 if (mps_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
195 mt_entry->dpm_entry_num)) {
196 kprintf("%s: write of dpm entry %d for device failed\n",
197 __func__, mt_entry->dpm_entry_num);
198 dpm_entry->MappingInformation = le16toh(dpm_entry->
200 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
204 dpm_entry->MappingInformation = le16toh(dpm_entry->MappingInformation);
205 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
210 * _mapping_get_ir_maprange - get start and end index for IR map range.
211 * @sc: per adapter object
212 * @start_idx: place holder for start index
213 * @end_idx: place holder for end index
215 * The IR volumes can be mapped either at start or end of the mapping table
216 * this function gets the detail of where IR volume mapping starts and ends
217 * in the device mapping table
222 _mapping_get_ir_maprange(struct mps_softc *sc, u32 *start_idx, u32 *end_idx)
224 u16 volume_mapping_flags;
225 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
227 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
228 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
229 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
231 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
234 *start_idx = sc->max_devices - sc->max_volumes;
235 *end_idx = *start_idx + sc->max_volumes - 1;
239 * _mapping_get_enc_idx_from_id - get enclosure index from enclosure ID
240 * @sc: per adapter object
241 * @enc_id: enclosure logical identifier
243 * Returns the index of enclosure entry on success or bad index.
246 _mapping_get_enc_idx_from_id(struct mps_softc *sc, u64 enc_id,
249 struct enc_mapping_table *et_entry;
252 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) {
253 et_entry = &sc->enclosure_table[enc_idx];
254 if ((et_entry->enclosure_id == le64toh(enc_id)) &&
255 (!et_entry->phy_bits || (et_entry->phy_bits &
259 return MPS_ENCTABLE_BAD_IDX;
263 * _mapping_get_enc_idx_from_handle - get enclosure index from handle
264 * @sc: per adapter object
265 * @enc_id: enclosure handle
267 * Returns the index of enclosure entry on success or bad index.
270 _mapping_get_enc_idx_from_handle(struct mps_softc *sc, u16 handle)
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->missing_count)
279 if (et_entry->enc_handle == handle)
282 return MPS_ENCTABLE_BAD_IDX;
286 * _mapping_get_high_missing_et_idx - get missing enclosure index
287 * @sc: per adapter object
289 * Search through the enclosure table and identifies the enclosure entry
290 * with high missing count and returns it's index
292 * Returns the index of enclosure entry on success or bad index.
295 _mapping_get_high_missing_et_idx(struct mps_softc *sc)
297 struct enc_mapping_table *et_entry;
298 u8 high_missing_count = 0;
299 u8 enc_idx, high_idx = MPS_ENCTABLE_BAD_IDX;
301 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) {
302 et_entry = &sc->enclosure_table[enc_idx];
303 if ((et_entry->missing_count > high_missing_count) &&
304 !et_entry->skip_search) {
305 high_missing_count = et_entry->missing_count;
313 * _mapping_get_high_missing_mt_idx - get missing map table index
314 * @sc: per adapter object
316 * Search through the map table and identifies the device entry
317 * with high missing count and returns it's index
319 * Returns the index of map table entry on success or bad index.
322 _mapping_get_high_missing_mt_idx(struct mps_softc *sc)
324 u32 map_idx, high_idx = MPS_ENCTABLE_BAD_IDX;
325 u8 high_missing_count = 0;
326 u32 start_idx, end_idx, start_idx_ir, end_idx_ir;
327 struct dev_mapping_table *mt_entry;
328 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
333 end_idx = sc->max_devices;
334 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
337 _mapping_get_ir_maprange(sc, &start_idx_ir, &end_idx_ir);
338 if (start_idx == start_idx_ir)
339 start_idx = end_idx_ir + 1;
341 end_idx = start_idx_ir;
342 mt_entry = &sc->mapping_table[start_idx];
343 for (map_idx = start_idx; map_idx < end_idx; map_idx++, mt_entry++) {
344 if (mt_entry->missing_count > high_missing_count) {
345 high_missing_count = mt_entry->missing_count;
353 * _mapping_get_ir_mt_idx_from_wwid - get map table index from volume WWID
354 * @sc: per adapter object
355 * @wwid: world wide unique ID of the volume
357 * Returns the index of map table entry on success or bad index.
360 _mapping_get_ir_mt_idx_from_wwid(struct mps_softc *sc, u64 wwid)
362 u32 start_idx, end_idx, map_idx;
363 struct dev_mapping_table *mt_entry;
365 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
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->physical_id == wwid)
371 return MPS_MAPTABLE_BAD_IDX;
375 * _mapping_get_mt_idx_from_id - get map table index from a device ID
376 * @sc: per adapter object
377 * @dev_id: device identifer (SAS Address)
379 * Returns the index of map table entry on success or bad index.
382 _mapping_get_mt_idx_from_id(struct mps_softc *sc, u64 dev_id)
385 struct dev_mapping_table *mt_entry;
387 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
388 mt_entry = &sc->mapping_table[map_idx];
389 if (mt_entry->physical_id == dev_id)
392 return MPS_MAPTABLE_BAD_IDX;
396 * _mapping_get_ir_mt_idx_from_handle - get map table index from volume handle
397 * @sc: per adapter object
398 * @wwid: volume device handle
400 * Returns the index of map table entry on success or bad index.
403 _mapping_get_ir_mt_idx_from_handle(struct mps_softc *sc, u16 volHandle)
405 u32 start_idx, end_idx, map_idx;
406 struct dev_mapping_table *mt_entry;
408 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
409 mt_entry = &sc->mapping_table[start_idx];
410 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)
411 if (mt_entry->dev_handle == volHandle)
414 return MPS_MAPTABLE_BAD_IDX;
418 * _mapping_get_mt_idx_from_handle - get map table index from handle
419 * @sc: per adapter object
420 * @dev_id: device handle
422 * Returns the index of map table entry on success or bad index.
425 _mapping_get_mt_idx_from_handle(struct mps_softc *sc, u16 handle)
428 struct dev_mapping_table *mt_entry;
430 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
431 mt_entry = &sc->mapping_table[map_idx];
432 if (mt_entry->dev_handle == handle)
435 return MPS_MAPTABLE_BAD_IDX;
439 * _mapping_get_free_ir_mt_idx - get first free index for a volume
440 * @sc: per adapter object
442 * Search through mapping table for free index for a volume and if no free
443 * index then looks for a volume with high mapping index
445 * Returns the index of map table entry on success or bad index.
448 _mapping_get_free_ir_mt_idx(struct mps_softc *sc)
450 u8 high_missing_count = 0;
451 u32 start_idx, end_idx, map_idx;
452 u32 high_idx = MPS_MAPTABLE_BAD_IDX;
453 struct dev_mapping_table *mt_entry;
455 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
457 mt_entry = &sc->mapping_table[start_idx];
458 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)
459 if (!(mt_entry->device_info & MPS_MAP_IN_USE))
462 mt_entry = &sc->mapping_table[start_idx];
463 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) {
464 if (mt_entry->missing_count > high_missing_count) {
465 high_missing_count = mt_entry->missing_count;
473 * _mapping_get_free_mt_idx - get first free index for a device
474 * @sc: per adapter object
475 * @start_idx: offset in the table to start search
477 * Returns the index of map table entry on success or bad index.
480 _mapping_get_free_mt_idx(struct mps_softc *sc, u32 start_idx)
482 u32 map_idx, max_idx = sc->max_devices;
483 struct dev_mapping_table *mt_entry = &sc->mapping_table[start_idx];
484 u16 volume_mapping_flags;
486 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
487 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
488 if (sc->ir_firmware && (volume_mapping_flags ==
489 MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING))
490 max_idx -= sc->max_volumes;
491 for (map_idx = start_idx; map_idx < max_idx; map_idx++, mt_entry++)
492 if (!(mt_entry->device_info & (MPS_MAP_IN_USE |
496 return MPS_MAPTABLE_BAD_IDX;
500 * _mapping_get_dpm_idx_from_id - get DPM index from ID
501 * @sc: per adapter object
502 * @id: volume WWID or enclosure ID or device ID
504 * Returns the index of DPM entry on success or bad index.
507 _mapping_get_dpm_idx_from_id(struct mps_softc *sc, u64 id, u32 phy_bits)
510 uint64_t PhysicalIdentifier;
511 Mpi2DriverMap0Entry_t *dpm_entry;
513 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
514 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
515 PhysicalIdentifier = dpm_entry->PhysicalIdentifier.High;
516 PhysicalIdentifier = (PhysicalIdentifier << 32) |
517 dpm_entry->PhysicalIdentifier.Low;
518 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++,
520 if ((id == PhysicalIdentifier) &&
521 (!phy_bits || !dpm_entry->PhysicalBitsMapping ||
522 (phy_bits & dpm_entry->PhysicalBitsMapping)))
525 return MPS_DPM_BAD_IDX;
530 * _mapping_get_free_dpm_idx - get first available DPM index
531 * @sc: per adapter object
533 * Returns the index of DPM entry on success or bad index.
536 _mapping_get_free_dpm_idx(struct mps_softc *sc)
540 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) {
541 if (!sc->dpm_entry_used[entry_num])
544 return MPS_DPM_BAD_IDX;
548 * _mapping_update_ir_missing_cnt - Updates missing count for a volume
549 * @sc: per adapter object
550 * @map_idx: map table index of the volume
551 * @element: IR configuration change element
552 * @wwid: IR volume ID.
554 * Updates the missing count in the map table and in the DPM entry for a volume
559 _mapping_update_ir_missing_cnt(struct mps_softc *sc, u32 map_idx,
560 Mpi2EventIrConfigElement_t *element, u64 wwid)
562 struct dev_mapping_table *mt_entry;
563 u8 missing_cnt, reason = element->ReasonCode;
565 Mpi2DriverMap0Entry_t *dpm_entry;
567 if (!sc->is_dpm_enable)
569 mt_entry = &sc->mapping_table[map_idx];
570 if (reason == MPI2_EVENT_IR_CHANGE_RC_ADDED) {
571 mt_entry->missing_count = 0;
572 } else if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) {
573 mt_entry->missing_count = 0;
574 mt_entry->init_complete = 0;
575 } else if ((reason == MPI2_EVENT_IR_CHANGE_RC_REMOVED) ||
576 (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED)) {
577 if (!mt_entry->init_complete) {
578 if (mt_entry->missing_count < MPS_MAX_MISSING_COUNT)
579 mt_entry->missing_count++;
581 mt_entry->init_complete = 1;
583 if (!mt_entry->missing_count)
584 mt_entry->missing_count++;
585 mt_entry->dev_handle = 0;
588 dpm_idx = mt_entry->dpm_entry_num;
589 if (dpm_idx == MPS_DPM_BAD_IDX) {
590 if ((reason == MPI2_EVENT_IR_CHANGE_RC_ADDED) ||
591 (reason == MPI2_EVENT_IR_CHANGE_RC_REMOVED))
592 dpm_idx = _mapping_get_dpm_idx_from_id(sc,
593 mt_entry->physical_id, 0);
594 else if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED)
597 if (dpm_idx != MPS_DPM_BAD_IDX) {
598 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
599 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
600 dpm_entry += dpm_idx;
601 missing_cnt = dpm_entry->MappingInformation &
602 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
603 if ((mt_entry->physical_id ==
604 le64toh((u64)dpm_entry->PhysicalIdentifier.High |
605 dpm_entry->PhysicalIdentifier.Low)) && (missing_cnt ==
606 mt_entry->missing_count))
607 mt_entry->init_complete = 1;
609 dpm_idx = _mapping_get_free_dpm_idx(sc);
610 mt_entry->init_complete = 0;
613 if ((dpm_idx != MPS_DPM_BAD_IDX) && !mt_entry->init_complete) {
614 mt_entry->init_complete = 1;
615 mt_entry->dpm_entry_num = dpm_idx;
616 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
617 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
618 dpm_entry += dpm_idx;
619 dpm_entry->PhysicalIdentifier.Low =
620 (0xFFFFFFFF & mt_entry->physical_id);
621 dpm_entry->PhysicalIdentifier.High =
622 (mt_entry->physical_id >> 32);
623 dpm_entry->DeviceIndex = map_idx;
624 dpm_entry->MappingInformation = mt_entry->missing_count;
625 dpm_entry->PhysicalBitsMapping = 0;
626 dpm_entry->Reserved1 = 0;
627 sc->dpm_flush_entry[dpm_idx] = 1;
628 sc->dpm_entry_used[dpm_idx] = 1;
629 } else if (dpm_idx == MPS_DPM_BAD_IDX) {
630 kprintf("%s: no space to add entry in DPM table\n", __func__);
631 mt_entry->init_complete = 1;
636 * _mapping_add_to_removal_table - mark an entry for removal
637 * @sc: per adapter object
638 * @handle: Handle of enclosures/device/volume
640 * Adds the handle or DPM entry number in removal table.
645 _mapping_add_to_removal_table(struct mps_softc *sc, u16 handle,
648 struct map_removal_table *remove_entry;
650 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
652 remove_entry = sc->removal_table;
654 for (i = 0; i < sc->max_devices; i++, remove_entry++) {
655 if (remove_entry->dev_handle || remove_entry->dpm_entry_num !=
658 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
659 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
661 remove_entry->dpm_entry_num = dpm_idx;
662 if (remove_entry->dpm_entry_num == MPS_DPM_BAD_IDX)
663 remove_entry->dev_handle = handle;
664 } else if ((ioc_pg8_flags &
665 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
666 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING)
667 remove_entry->dev_handle = handle;
674 * _mapping_update_missing_count - Update missing count for a device
675 * @sc: per adapter object
676 * @topo_change: Topology change event entry
678 * Search through the topology change list and if any device is found not
679 * responding it's associated map table entry and DPM entry is updated
684 _mapping_update_missing_count(struct mps_softc *sc,
685 struct _map_topology_change *topo_change)
687 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
689 struct _map_phy_change *phy_change;
691 struct dev_mapping_table *mt_entry;
692 Mpi2DriverMap0Entry_t *dpm_entry;
694 for (entry = 0; entry < topo_change->num_entries; entry++) {
695 phy_change = &topo_change->phy_details[entry];
696 if (!phy_change->dev_handle || (phy_change->reason !=
697 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
699 map_idx = _mapping_get_mt_idx_from_handle(sc, phy_change->
701 phy_change->is_processed = 1;
702 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
703 kprintf("%s: device is already removed from mapping "
704 "table\n", __func__);
707 mt_entry = &sc->mapping_table[map_idx];
708 if (!mt_entry->init_complete) {
709 if (mt_entry->missing_count < MPS_MAX_MISSING_COUNT)
710 mt_entry->missing_count++;
712 mt_entry->init_complete = 1;
714 if (!mt_entry->missing_count)
715 mt_entry->missing_count++;
716 _mapping_add_to_removal_table(sc, mt_entry->dev_handle, 0);
717 mt_entry->dev_handle = 0;
719 if (((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
720 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) &&
721 sc->is_dpm_enable && !mt_entry->init_complete &&
722 mt_entry->dpm_entry_num != MPS_DPM_BAD_IDX) {
724 (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 +
725 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
726 dpm_entry += mt_entry->dpm_entry_num;
727 dpm_entry->MappingInformation = mt_entry->missing_count;
728 sc->dpm_flush_entry[mt_entry->dpm_entry_num] = 1;
730 mt_entry->init_complete = 1;
735 * _mapping_find_enc_map_space -find map table entries for enclosure
736 * @sc: per adapter object
737 * @et_entry: enclosure entry
739 * Search through the mapping table defragment it and provide contiguous
740 * space in map table for a particular enclosure entry
742 * Returns start index in map table or bad index.
745 _mapping_find_enc_map_space(struct mps_softc *sc,
746 struct enc_mapping_table *et_entry)
748 u16 vol_mapping_flags;
749 u32 skip_count, end_of_table, map_idx, enc_idx;
751 u32 start_idx = MPS_MAPTABLE_BAD_IDX;
752 struct dev_mapping_table *mt_entry;
753 struct enc_mapping_table *enc_entry;
754 unsigned char done_flag = 0, found_space;
755 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
757 skip_count = sc->num_rsvd_entries;
760 vol_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
761 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
763 if (!sc->ir_firmware)
764 end_of_table = sc->max_devices;
765 else if (vol_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING)
766 end_of_table = sc->max_devices;
768 end_of_table = sc->max_devices - sc->max_volumes;
770 for (map_idx = (max_num_phy_ids + skip_count);
771 map_idx < end_of_table; map_idx++) {
772 mt_entry = &sc->mapping_table[map_idx];
773 if ((et_entry->enclosure_id == mt_entry->physical_id) &&
774 (!mt_entry->phy_bits || (mt_entry->phy_bits &
775 et_entry->phy_bits))) {
777 if (num_found == et_entry->num_slots) {
778 start_idx = (map_idx - num_found) + 1;
784 for (map_idx = (max_num_phy_ids + skip_count);
785 map_idx < end_of_table; map_idx++) {
786 mt_entry = &sc->mapping_table[map_idx];
787 if (!(mt_entry->device_info & MPS_DEV_RESERVED)) {
789 if (num_found == et_entry->num_slots) {
790 start_idx = (map_idx - num_found) + 1;
798 enc_idx = _mapping_get_high_missing_et_idx(sc);
799 if (enc_idx == MPS_ENCTABLE_BAD_IDX)
800 return MPS_MAPTABLE_BAD_IDX;
801 enc_entry = &sc->enclosure_table[enc_idx];
803 enc_entry->skip_search = 1;
804 mt_entry = &sc->mapping_table[enc_entry->start_index];
805 for (map_idx = enc_entry->start_index; map_idx <
806 (enc_entry->start_index + enc_entry->num_slots); map_idx++,
808 mt_entry->device_info &= ~MPS_DEV_RESERVED;
810 for (map_idx = (max_num_phy_ids +
811 skip_count); map_idx < end_of_table; map_idx++) {
812 mt_entry = &sc->mapping_table[map_idx];
813 if (!(mt_entry->device_info & MPS_DEV_RESERVED)) {
815 if (num_found == et_entry->num_slots) {
816 start_idx = (map_idx - num_found) + 1;
825 for (map_idx = start_idx; map_idx < (start_idx + num_found);
827 enc_entry = sc->enclosure_table;
828 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries;
829 enc_idx++, enc_entry++) {
830 if (map_idx < enc_entry->start_index ||
831 map_idx > (enc_entry->start_index +
832 enc_entry->num_slots))
834 if (!enc_entry->removal_flag) {
835 enc_entry->removal_flag = 1;
836 _mapping_add_to_removal_table(sc, 0,
837 enc_entry->dpm_entry_num);
839 mt_entry = &sc->mapping_table[map_idx];
840 if (mt_entry->device_info &
842 _mapping_add_to_removal_table(sc,
843 mt_entry->dev_handle, 0);
844 _mapping_clear_map_entry(mt_entry);
846 if (map_idx == (enc_entry->start_index +
847 enc_entry->num_slots - 1))
848 _mapping_clear_enc_entry(et_entry);
851 enc_entry = sc->enclosure_table;
852 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries;
853 enc_idx++, enc_entry++) {
854 if (!enc_entry->removal_flag) {
855 mt_entry = &sc->mapping_table[enc_entry->
857 for (map_idx = enc_entry->start_index; map_idx <
858 (enc_entry->start_index +
859 enc_entry->num_slots); map_idx++,
861 mt_entry->device_info |=
863 et_entry->skip_search = 0;
872 * _mapping_get_dev_info -get information about newly added devices
873 * @sc: per adapter object
874 * @topo_change: Topology change event entry
876 * Search through the topology change event list and issues sas device pg0
877 * requests for the newly added device and reserved entries in tables
882 _mapping_get_dev_info(struct mps_softc *sc,
883 struct _map_topology_change *topo_change)
885 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
886 Mpi2ConfigReply_t mpi_reply;
887 Mpi2SasDevicePage0_t sas_device_pg0;
888 u8 entry, enc_idx, phy_idx;
889 u32 map_idx, index, device_info;
890 struct _map_phy_change *phy_change, *tmp_phy_change;
891 uint64_t sas_address;
892 struct enc_mapping_table *et_entry;
893 struct dev_mapping_table *mt_entry;
894 u8 add_code = MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED;
897 for (entry = 0; entry < topo_change->num_entries; entry++) {
898 phy_change = &topo_change->phy_details[entry];
899 if (phy_change->is_processed || !phy_change->dev_handle ||
900 phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED)
902 if (mps_config_get_sas_device_pg0(sc, &mpi_reply,
903 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
904 phy_change->dev_handle)) {
905 phy_change->is_processed = 1;
909 device_info = le32toh(sas_device_pg0.DeviceInfo);
910 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
911 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
912 if ((device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE) &&
913 (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)) {
914 rc = mpssas_get_sas_address_for_sata_disk(sc,
915 &sas_address, phy_change->dev_handle,
918 kprintf("%s: failed to compute the "
919 "hashed SAS Address for SATA "
920 "device with handle 0x%04x\n",
921 __func__, phy_change->dev_handle);
923 sas_device_pg0.SASAddress.High;
924 sas_address = (sas_address << 32) |
925 sas_device_pg0.SASAddress.Low;
927 mps_dprint(sc, MPS_INFO, "SAS Address for SATA "
928 "device = %jx\n", sas_address);
931 sas_device_pg0.SASAddress.High;
932 sas_address = (sas_address << 32) |
933 sas_device_pg0.SASAddress.Low;
936 sas_address = sas_device_pg0.SASAddress.High;
937 sas_address = (sas_address << 32) |
938 sas_device_pg0.SASAddress.Low;
940 phy_change->physical_id = sas_address;
941 phy_change->slot = le16toh(sas_device_pg0.Slot);
942 phy_change->device_info =
943 le32toh(sas_device_pg0.DeviceInfo);
945 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
946 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
947 enc_idx = _mapping_get_enc_idx_from_handle(sc,
948 topo_change->enc_handle);
949 if (enc_idx == MPS_ENCTABLE_BAD_IDX) {
950 phy_change->is_processed = 1;
951 kprintf("%s: failed to add the device with "
952 "handle 0x%04x because the enclosure is "
953 "not in the mapping table\n", __func__,
954 phy_change->dev_handle);
957 if (!((phy_change->device_info &
958 MPI2_SAS_DEVICE_INFO_END_DEVICE) &&
959 (phy_change->device_info &
960 (MPI2_SAS_DEVICE_INFO_SSP_TARGET |
961 MPI2_SAS_DEVICE_INFO_STP_TARGET |
962 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))) {
963 phy_change->is_processed = 1;
966 et_entry = &sc->enclosure_table[enc_idx];
967 if (et_entry->start_index != MPS_MAPTABLE_BAD_IDX)
969 if (!topo_change->exp_handle) {
970 map_idx = sc->num_rsvd_entries;
971 et_entry->start_index = map_idx;
973 map_idx = _mapping_find_enc_map_space(sc,
975 et_entry->start_index = map_idx;
976 if (et_entry->start_index ==
977 MPS_MAPTABLE_BAD_IDX) {
978 phy_change->is_processed = 1;
979 for (phy_idx = 0; phy_idx <
980 topo_change->num_entries;
983 &topo_change->phy_details
985 if (tmp_phy_change->reason ==
993 mt_entry = &sc->mapping_table[map_idx];
994 for (index = map_idx; index < (et_entry->num_slots
995 + map_idx); index++, mt_entry++) {
996 mt_entry->device_info = MPS_DEV_RESERVED;
997 mt_entry->physical_id = et_entry->enclosure_id;
998 mt_entry->phy_bits = et_entry->phy_bits;
1005 * _mapping_set_mid_to_eid -set map table data from enclosure table
1006 * @sc: per adapter object
1007 * @et_entry: enclosure entry
1012 _mapping_set_mid_to_eid(struct mps_softc *sc,
1013 struct enc_mapping_table *et_entry)
1015 struct dev_mapping_table *mt_entry;
1016 u16 slots = et_entry->num_slots, map_idx;
1017 u32 start_idx = et_entry->start_index;
1018 if (start_idx != MPS_MAPTABLE_BAD_IDX) {
1019 mt_entry = &sc->mapping_table[start_idx];
1020 for (map_idx = 0; map_idx < slots; map_idx++, mt_entry++)
1021 mt_entry->physical_id = et_entry->enclosure_id;
1026 * _mapping_clear_removed_entries - mark the entries to be cleared
1027 * @sc: per adapter object
1029 * Search through the removal table and mark the entries which needs to be
1030 * flushed to DPM and also updates the map table and enclosure table by
1031 * clearing the corresponding entries.
1036 _mapping_clear_removed_entries(struct mps_softc *sc)
1039 struct map_removal_table *remove_entry;
1040 Mpi2DriverMap0Entry_t *dpm_entry;
1041 u8 done_flag = 0, num_entries, m, i;
1042 struct enc_mapping_table *et_entry, *from, *to;
1043 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1045 if (sc->is_dpm_enable) {
1046 remove_entry = sc->removal_table;
1047 for (remove_idx = 0; remove_idx < sc->max_devices;
1048 remove_idx++, remove_entry++) {
1049 if (remove_entry->dpm_entry_num != MPS_DPM_BAD_IDX) {
1050 dpm_entry = (Mpi2DriverMap0Entry_t *)
1051 ((u8 *) sc->dpm_pg0 +
1052 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1053 dpm_entry += remove_entry->dpm_entry_num;
1054 dpm_entry->PhysicalIdentifier.Low = 0;
1055 dpm_entry->PhysicalIdentifier.High = 0;
1056 dpm_entry->DeviceIndex = 0;
1057 dpm_entry->MappingInformation = 0;
1058 dpm_entry->PhysicalBitsMapping = 0;
1059 sc->dpm_flush_entry[remove_entry->
1061 sc->dpm_entry_used[remove_entry->dpm_entry_num]
1063 remove_entry->dpm_entry_num = MPS_DPM_BAD_IDX;
1067 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1068 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1069 num_entries = sc->num_enc_table_entries;
1070 while (!done_flag) {
1072 et_entry = sc->enclosure_table;
1073 for (i = 0; i < num_entries; i++, et_entry++) {
1074 if (!et_entry->enc_handle && et_entry->
1077 if (i != (num_entries - 1)) {
1078 from = &sc->enclosure_table
1080 to = &sc->enclosure_table[i];
1081 for (m = i; m < (num_entries -
1082 1); m++, from++, to++) {
1083 _mapping_set_mid_to_eid
1087 _mapping_clear_enc_entry(to);
1088 sc->num_enc_table_entries--;
1090 sc->num_enc_table_entries;
1092 _mapping_clear_enc_entry
1094 sc->num_enc_table_entries--;
1096 sc->num_enc_table_entries;
1105 * _mapping_add_new_device -Add the new device into mapping table
1106 * @sc: per adapter object
1107 * @topo_change: Topology change event entry
1109 * Search through the topology change event list and updates map table,
1110 * enclosure table and DPM pages for for the newly added devices.
1115 _mapping_add_new_device(struct mps_softc *sc,
1116 struct _map_topology_change *topo_change)
1118 u8 enc_idx, missing_cnt, is_removed = 0;
1120 u32 search_idx, map_idx;
1122 struct dev_mapping_table *mt_entry;
1123 struct enc_mapping_table *et_entry;
1124 struct _map_phy_change *phy_change;
1125 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1126 Mpi2DriverMap0Entry_t *dpm_entry;
1127 uint64_t temp64_var;
1128 u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
1129 u8 hdr_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER);
1130 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
1132 for (entry = 0; entry < topo_change->num_entries; entry++) {
1133 phy_change = &topo_change->phy_details[entry];
1134 if (phy_change->is_processed)
1136 if (phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED ||
1137 !phy_change->dev_handle) {
1138 phy_change->is_processed = 1;
1141 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1142 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1143 enc_idx = _mapping_get_enc_idx_from_handle
1144 (sc, topo_change->enc_handle);
1145 if (enc_idx == MPS_ENCTABLE_BAD_IDX) {
1146 phy_change->is_processed = 1;
1147 kprintf("%s: failed to add the device with "
1148 "handle 0x%04x because the enclosure is "
1149 "not in the mapping table\n", __func__,
1150 phy_change->dev_handle);
1153 et_entry = &sc->enclosure_table[enc_idx];
1154 if (et_entry->start_index == MPS_MAPTABLE_BAD_IDX) {
1155 phy_change->is_processed = 1;
1156 if (!sc->mt_full_retry) {
1157 sc->mt_add_device_failed = 1;
1160 kprintf("%s: failed to add the device with "
1161 "handle 0x%04x because there is no free "
1162 "space available in the mapping table\n",
1163 __func__, phy_change->dev_handle);
1166 map_idx = et_entry->start_index + phy_change->slot -
1167 et_entry->start_slot;
1168 mt_entry = &sc->mapping_table[map_idx];
1169 mt_entry->physical_id = phy_change->physical_id;
1170 mt_entry->channel = 0;
1171 mt_entry->id = map_idx;
1172 mt_entry->dev_handle = phy_change->dev_handle;
1173 mt_entry->missing_count = 0;
1174 mt_entry->dpm_entry_num = et_entry->dpm_entry_num;
1175 mt_entry->device_info = phy_change->device_info |
1176 (MPS_DEV_RESERVED | MPS_MAP_IN_USE);
1177 if (sc->is_dpm_enable) {
1178 dpm_idx = et_entry->dpm_entry_num;
1179 if (dpm_idx == MPS_DPM_BAD_IDX)
1180 dpm_idx = _mapping_get_dpm_idx_from_id
1181 (sc, et_entry->enclosure_id,
1182 et_entry->phy_bits);
1183 if (dpm_idx == MPS_DPM_BAD_IDX) {
1184 dpm_idx = _mapping_get_free_dpm_idx(sc);
1185 if (dpm_idx != MPS_DPM_BAD_IDX) {
1187 (Mpi2DriverMap0Entry_t *)
1188 ((u8 *) sc->dpm_pg0 +
1190 dpm_entry += dpm_idx;
1192 PhysicalIdentifier.Low =
1194 et_entry->enclosure_id);
1196 PhysicalIdentifier.High =
1197 ( et_entry->enclosure_id
1199 dpm_entry->DeviceIndex =
1200 (U16)et_entry->start_index;
1201 dpm_entry->MappingInformation =
1202 et_entry->num_slots;
1203 dpm_entry->MappingInformation
1205 dpm_entry->PhysicalBitsMapping
1206 = et_entry->phy_bits;
1207 et_entry->dpm_entry_num =
1209 /* FIXME Do I need to set the dpm_idxin mt_entry too */
1210 sc->dpm_entry_used[dpm_idx] = 1;
1211 sc->dpm_flush_entry[dpm_idx] =
1213 phy_change->is_processed = 1;
1215 phy_change->is_processed = 1;
1216 kprintf("%s: failed to add the "
1217 "device with handle 0x%04x "
1218 "to persistent table "
1219 "because there is no free "
1220 "space available\n",
1222 phy_change->dev_handle);
1225 et_entry->dpm_entry_num = dpm_idx;
1226 mt_entry->dpm_entry_num = dpm_idx;
1229 /* FIXME Why not mt_entry too? */
1230 et_entry->init_complete = 1;
1231 } else if ((ioc_pg8_flags &
1232 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1233 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
1234 map_idx = _mapping_get_mt_idx_from_id
1235 (sc, phy_change->physical_id);
1236 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
1237 search_idx = sc->num_rsvd_entries;
1238 if (topo_change->exp_handle)
1239 search_idx += max_num_phy_ids;
1240 map_idx = _mapping_get_free_mt_idx(sc,
1243 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
1244 map_idx = _mapping_get_high_missing_mt_idx(sc);
1245 if (map_idx != MPS_MAPTABLE_BAD_IDX) {
1246 mt_entry = &sc->mapping_table[map_idx];
1247 if (mt_entry->dev_handle) {
1248 _mapping_add_to_removal_table
1249 (sc, mt_entry->dev_handle,
1253 mt_entry->init_complete = 0;
1256 if (map_idx != MPS_MAPTABLE_BAD_IDX) {
1257 mt_entry = &sc->mapping_table[map_idx];
1258 mt_entry->physical_id = phy_change->physical_id;
1259 mt_entry->channel = 0;
1260 mt_entry->id = map_idx;
1261 mt_entry->dev_handle = phy_change->dev_handle;
1262 mt_entry->missing_count = 0;
1263 mt_entry->device_info = phy_change->device_info
1264 | (MPS_DEV_RESERVED | MPS_MAP_IN_USE);
1266 phy_change->is_processed = 1;
1267 if (!sc->mt_full_retry) {
1268 sc->mt_add_device_failed = 1;
1271 kprintf("%s: failed to add the device with "
1272 "handle 0x%04x because there is no free "
1273 "space available in the mapping table\n",
1274 __func__, phy_change->dev_handle);
1277 if (sc->is_dpm_enable) {
1278 if (mt_entry->dpm_entry_num !=
1280 dpm_idx = mt_entry->dpm_entry_num;
1281 dpm_entry = (Mpi2DriverMap0Entry_t *)
1282 ((u8 *)sc->dpm_pg0 + hdr_sz);
1283 dpm_entry += dpm_idx;
1284 missing_cnt = dpm_entry->
1285 MappingInformation &
1286 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
1287 temp64_var = dpm_entry->
1288 PhysicalIdentifier.High;
1289 temp64_var = (temp64_var << 32) |
1290 dpm_entry->PhysicalIdentifier.Low;
1291 if ((mt_entry->physical_id ==
1292 temp64_var) && !missing_cnt)
1293 mt_entry->init_complete = 1;
1295 dpm_idx = _mapping_get_free_dpm_idx(sc);
1296 mt_entry->init_complete = 0;
1298 if (dpm_idx != MPS_DPM_BAD_IDX &&
1299 !mt_entry->init_complete) {
1300 mt_entry->init_complete = 1;
1301 mt_entry->dpm_entry_num = dpm_idx;
1302 dpm_entry = (Mpi2DriverMap0Entry_t *)
1303 ((u8 *)sc->dpm_pg0 + hdr_sz);
1304 dpm_entry += dpm_idx;
1305 dpm_entry->PhysicalIdentifier.Low =
1307 mt_entry->physical_id);
1308 dpm_entry->PhysicalIdentifier.High =
1309 (mt_entry->physical_id >> 32);
1310 dpm_entry->DeviceIndex = (U16) map_idx;
1311 dpm_entry->MappingInformation = 0;
1312 dpm_entry->PhysicalBitsMapping = 0;
1313 sc->dpm_entry_used[dpm_idx] = 1;
1314 sc->dpm_flush_entry[dpm_idx] = 1;
1315 phy_change->is_processed = 1;
1316 } else if (dpm_idx == MPS_DPM_BAD_IDX) {
1317 phy_change->is_processed = 1;
1318 kprintf("%s: failed to add the "
1319 "device with handle 0x%04x "
1320 "to persistent table "
1321 "because there is no free "
1322 "space available\n",
1324 phy_change->dev_handle);
1327 mt_entry->init_complete = 1;
1330 phy_change->is_processed = 1;
1333 _mapping_clear_removed_entries(sc);
1337 * _mapping_flush_dpm_pages -Flush the DPM pages to NVRAM
1338 * @sc: per adapter object
1343 _mapping_flush_dpm_pages(struct mps_softc *sc)
1345 Mpi2DriverMap0Entry_t *dpm_entry;
1346 Mpi2ConfigReply_t mpi_reply;
1347 Mpi2DriverMappingPage0_t config_page;
1350 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) {
1351 if (!sc->dpm_flush_entry[entry_num])
1353 memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t));
1354 memcpy(&config_page.Header, (u8 *)sc->dpm_pg0,
1355 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1356 dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 +
1357 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1358 dpm_entry += entry_num;
1359 dpm_entry->MappingInformation = htole16(dpm_entry->
1360 MappingInformation);
1361 dpm_entry->DeviceIndex = htole16(dpm_entry->DeviceIndex);
1362 dpm_entry->PhysicalBitsMapping = htole32(dpm_entry->
1363 PhysicalBitsMapping);
1364 memcpy(&config_page.Entry, (u8 *)dpm_entry,
1365 sizeof(Mpi2DriverMap0Entry_t));
1366 /* TODO-How to handle failed writes? */
1367 if (mps_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
1369 kprintf("%s: write of dpm entry %d for device failed\n",
1370 __func__, entry_num);
1372 sc->dpm_flush_entry[entry_num] = 0;
1373 dpm_entry->MappingInformation = le16toh(dpm_entry->
1374 MappingInformation);
1375 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
1376 dpm_entry->PhysicalBitsMapping = le32toh(dpm_entry->
1377 PhysicalBitsMapping);
1382 * _mapping_allocate_memory- allocates the memory required for mapping tables
1383 * @sc: per adapter object
1385 * Allocates the memory for all the tables required for host mapping
1387 * Return 0 on success or non-zero on failure.
1390 mps_mapping_allocate_memory(struct mps_softc *sc)
1392 uint32_t dpm_pg0_sz;
1394 sc->mapping_table = kmalloc((sizeof(struct dev_mapping_table) *
1395 sc->max_devices), M_MPT2, M_ZERO|M_INTWAIT);
1396 if (!sc->mapping_table)
1397 goto free_resources;
1399 sc->removal_table = kmalloc((sizeof(struct map_removal_table) *
1400 sc->max_devices), M_MPT2, M_ZERO|M_INTWAIT);
1401 if (!sc->removal_table)
1402 goto free_resources;
1404 sc->enclosure_table = kmalloc((sizeof(struct enc_mapping_table) *
1405 sc->max_enclosures), M_MPT2, M_ZERO|M_INTWAIT);
1406 if (!sc->enclosure_table)
1407 goto free_resources;
1409 sc->dpm_entry_used = kmalloc((sizeof(u8) * sc->max_dpm_entries),
1410 M_MPT2, M_ZERO|M_INTWAIT);
1411 if (!sc->dpm_entry_used)
1412 goto free_resources;
1414 sc->dpm_flush_entry = kmalloc((sizeof(u8) * sc->max_dpm_entries),
1415 M_MPT2, M_ZERO|M_INTWAIT);
1416 if (!sc->dpm_flush_entry)
1417 goto free_resources;
1419 dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) +
1420 (sc->max_dpm_entries * sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY));
1422 sc->dpm_pg0 = kmalloc(dpm_pg0_sz, M_MPT2, M_ZERO|M_INTWAIT);
1424 kprintf("%s: memory alloc failed for dpm page; disabling dpm\n",
1426 sc->is_dpm_enable = 0;
1432 kfree(sc->mapping_table, M_MPT2);
1433 kfree(sc->removal_table, M_MPT2);
1434 kfree(sc->enclosure_table, M_MPT2);
1435 kfree(sc->dpm_entry_used, M_MPT2);
1436 kfree(sc->dpm_flush_entry, M_MPT2);
1437 kfree(sc->dpm_pg0, M_MPT2);
1438 kprintf("%s: device initialization failed due to failure in mapping "
1439 "table memory allocation\n", __func__);
1444 * mps_mapping_free_memory- frees the memory allocated for mapping tables
1445 * @sc: per adapter object
1450 mps_mapping_free_memory(struct mps_softc *sc)
1452 kfree(sc->mapping_table, M_MPT2);
1453 kfree(sc->removal_table, M_MPT2);
1454 kfree(sc->enclosure_table, M_MPT2);
1455 kfree(sc->dpm_entry_used, M_MPT2);
1456 kfree(sc->dpm_flush_entry, M_MPT2);
1457 kfree(sc->dpm_pg0, M_MPT2);
1462 _mapping_process_dpm_pg0(struct mps_softc *sc)
1464 u8 missing_cnt, enc_idx;
1465 u16 slot_id, entry_num, num_slots;
1466 u32 map_idx, dev_idx, start_idx, end_idx;
1467 struct dev_mapping_table *mt_entry;
1468 Mpi2DriverMap0Entry_t *dpm_entry;
1469 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1470 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
1471 struct enc_mapping_table *et_entry;
1475 if (sc->ir_firmware)
1476 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
1478 dpm_entry = (Mpi2DriverMap0Entry_t *) ((uint8_t *) sc->dpm_pg0 +
1479 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1480 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++,
1482 physical_id = dpm_entry->PhysicalIdentifier.High;
1483 physical_id = (physical_id << 32) |
1484 dpm_entry->PhysicalIdentifier.Low;
1486 sc->dpm_entry_used[entry_num] = 0;
1489 sc->dpm_entry_used[entry_num] = 1;
1490 dpm_entry->MappingInformation = le16toh(dpm_entry->
1491 MappingInformation);
1492 missing_cnt = dpm_entry->MappingInformation &
1493 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
1494 dev_idx = le16toh(dpm_entry->DeviceIndex);
1495 phy_bits = le32toh(dpm_entry->PhysicalBitsMapping);
1496 if (sc->ir_firmware && (dev_idx >= start_idx) &&
1497 (dev_idx <= end_idx)) {
1498 mt_entry = &sc->mapping_table[dev_idx];
1499 mt_entry->physical_id = dpm_entry->PhysicalIdentifier.High;
1500 mt_entry->physical_id = (mt_entry->physical_id << 32) |
1501 dpm_entry->PhysicalIdentifier.Low;
1502 mt_entry->channel = MPS_RAID_CHANNEL;
1503 mt_entry->id = dev_idx;
1504 mt_entry->missing_count = missing_cnt;
1505 mt_entry->dpm_entry_num = entry_num;
1506 mt_entry->device_info = MPS_DEV_RESERVED;
1509 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1510 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1511 if (dev_idx < (sc->num_rsvd_entries +
1515 MPI2_IOCPAGE8_FLAGS_DA_START_SLOT_1)
1517 num_slots = max_num_phy_ids;
1520 num_slots = dpm_entry->MappingInformation &
1521 MPI2_DRVMAP0_MAPINFO_SLOT_MASK;
1522 num_slots >>= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
1524 enc_idx = sc->num_enc_table_entries;
1525 if (enc_idx >= sc->max_enclosures) {
1526 kprintf("%s: enclosure entries exceed max "
1527 "enclosures of %d\n", __func__,
1528 sc->max_enclosures);
1531 sc->num_enc_table_entries++;
1532 et_entry = &sc->enclosure_table[enc_idx];
1533 physical_id = dpm_entry->PhysicalIdentifier.High;
1534 et_entry->enclosure_id = (physical_id << 32) |
1535 dpm_entry->PhysicalIdentifier.Low;
1536 et_entry->start_index = dev_idx;
1537 et_entry->dpm_entry_num = entry_num;
1538 et_entry->num_slots = num_slots;
1539 et_entry->start_slot = slot_id;
1540 et_entry->missing_count = missing_cnt;
1541 et_entry->phy_bits = phy_bits;
1543 mt_entry = &sc->mapping_table[dev_idx];
1544 for (map_idx = dev_idx; map_idx < (dev_idx + num_slots);
1545 map_idx++, mt_entry++) {
1546 if (mt_entry->dpm_entry_num !=
1548 kprintf("%s: conflict in mapping table "
1549 "for enclosure %d\n", __func__,
1553 physical_id = dpm_entry->PhysicalIdentifier.High;
1554 mt_entry->physical_id = (physical_id << 32) |
1555 dpm_entry->PhysicalIdentifier.Low;
1556 mt_entry->phy_bits = phy_bits;
1557 mt_entry->channel = 0;
1558 mt_entry->id = dev_idx;
1559 mt_entry->dpm_entry_num = entry_num;
1560 mt_entry->missing_count = missing_cnt;
1561 mt_entry->device_info = MPS_DEV_RESERVED;
1563 } else if ((ioc_pg8_flags &
1564 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1565 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
1567 mt_entry = &sc->mapping_table[map_idx];
1568 if (mt_entry->dpm_entry_num != MPS_DPM_BAD_IDX) {
1569 kprintf("%s: conflict in mapping table for "
1570 "device %d\n", __func__, map_idx);
1573 physical_id = dpm_entry->PhysicalIdentifier.High;
1574 mt_entry->physical_id = (physical_id << 32) |
1575 dpm_entry->PhysicalIdentifier.Low;
1576 mt_entry->phy_bits = phy_bits;
1577 mt_entry->channel = 0;
1578 mt_entry->id = dev_idx;
1579 mt_entry->missing_count = missing_cnt;
1580 mt_entry->dpm_entry_num = entry_num;
1581 mt_entry->device_info = MPS_DEV_RESERVED;
1583 } /*close the loop for DPM table */
1587 * mps_mapping_check_devices - start of the day check for device availabilty
1588 * @sc: per adapter object
1589 * @sleep_flag: Flag indicating whether this function can sleep or not
1594 mps_mapping_check_devices(struct mps_softc *sc, int sleep_flag)
1599 struct dev_mapping_table *mt_entry;
1600 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1601 struct enc_mapping_table *et_entry;
1602 u32 start_idx, end_idx;
1604 /* We need to ucomment this when this function is called
1605 * from the port enable complete */
1607 sc->track_mapping_events = 0;
1608 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
1610 if (!sc->pending_map_events)
1612 if (sleep_flag == CAN_SLEEP)
1613 pause("mps_pause", (hz/1000));/* 1msec sleep */
1615 DELAY(500); /* 500 useconds delay */
1620 kprintf("%s: there are %d"
1621 " pending events after %d seconds of delay\n",
1622 __func__, sc->pending_map_events, timeout);
1624 sc->pending_map_events = 0;
1626 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1627 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1628 et_entry = sc->enclosure_table;
1629 for (i = 0; i < sc->num_enc_table_entries; i++, et_entry++) {
1630 if (!et_entry->init_complete) {
1631 if (et_entry->missing_count <
1632 MPS_MAX_MISSING_COUNT) {
1633 et_entry->missing_count++;
1634 if (et_entry->dpm_entry_num !=
1636 _mapping_commit_enc_entry(sc,
1639 et_entry->init_complete = 1;
1642 if (!sc->ir_firmware)
1644 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
1645 mt_entry = &sc->mapping_table[start_idx];
1646 for (i = start_idx; i < (end_idx + 1); i++, mt_entry++) {
1647 if (mt_entry->device_info & MPS_DEV_RESERVED
1648 && !mt_entry->physical_id)
1649 mt_entry->init_complete = 1;
1650 else if (mt_entry->device_info & MPS_DEV_RESERVED) {
1651 if (!mt_entry->init_complete) {
1652 if (mt_entry->missing_count <
1653 MPS_MAX_MISSING_COUNT) {
1654 mt_entry->missing_count++;
1655 if (mt_entry->dpm_entry_num !=
1657 _mapping_commit_map_entry(sc,
1660 mt_entry->init_complete = 1;
1664 } else if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1665 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
1666 mt_entry = sc->mapping_table;
1667 for (i = 0; i < sc->max_devices; i++, mt_entry++) {
1668 if (mt_entry->device_info & MPS_DEV_RESERVED
1669 && !mt_entry->physical_id)
1670 mt_entry->init_complete = 1;
1671 else if (mt_entry->device_info & MPS_DEV_RESERVED) {
1672 if (!mt_entry->init_complete) {
1673 if (mt_entry->missing_count <
1674 MPS_MAX_MISSING_COUNT) {
1675 mt_entry->missing_count++;
1676 if (mt_entry->dpm_entry_num !=
1678 _mapping_commit_map_entry(sc,
1681 mt_entry->init_complete = 1;
1690 * mps_mapping_is_reinit_required - check whether event replay required
1691 * @sc: per adapter object
1693 * Checks the per ioc flags and decide whether reinit of events required
1695 * Returns 1 for reinit of ioc 0 for not.
1697 int mps_mapping_is_reinit_required(struct mps_softc *sc)
1699 if (!sc->mt_full_retry && sc->mt_add_device_failed) {
1700 sc->mt_full_retry = 1;
1701 sc->mt_add_device_failed = 0;
1702 _mapping_flush_dpm_pages(sc);
1705 sc->mt_full_retry = 1;
1710 * mps_mapping_initialize - initialize mapping tables
1711 * @sc: per adapter object
1713 * Read controller persitant mapping tables into internal data area.
1715 * Return 0 for success or non-zero for failure.
1718 mps_mapping_initialize(struct mps_softc *sc)
1720 uint16_t volume_mapping_flags, dpm_pg0_sz;
1722 Mpi2ConfigReply_t mpi_reply;
1724 uint8_t retry_count;
1725 uint16_t ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1727 /* The additional 1 accounts for the virtual enclosure
1728 * created for the controller
1730 sc->max_enclosures = sc->facts->MaxEnclosures + 1;
1731 sc->max_expanders = sc->facts->MaxSasExpanders;
1732 sc->max_volumes = sc->facts->MaxVolumes;
1733 sc->max_devices = sc->facts->MaxTargets + sc->max_volumes;
1734 sc->pending_map_events = 0;
1735 sc->num_enc_table_entries = 0;
1736 sc->num_rsvd_entries = 0;
1737 sc->num_channels = 1;
1738 sc->max_dpm_entries = sc->ioc_pg8.MaxPersistentEntries;
1739 sc->is_dpm_enable = (sc->max_dpm_entries) ? 1 : 0;
1740 sc->track_mapping_events = 0;
1742 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_DISABLE_PERSISTENT_MAPPING)
1743 sc->is_dpm_enable = 0;
1745 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
1746 sc->num_rsvd_entries = 1;
1748 volume_mapping_flags = sc->ioc_pg8.IRVolumeMappingFlags &
1749 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
1750 if (sc->ir_firmware && (volume_mapping_flags ==
1751 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING))
1752 sc->num_rsvd_entries += sc->max_volumes;
1754 error = mps_mapping_allocate_memory(sc);
1758 for (i = 0; i < sc->max_devices; i++)
1759 _mapping_clear_map_entry(sc->mapping_table + i);
1761 for (i = 0; i < sc->max_enclosures; i++)
1762 _mapping_clear_enc_entry(sc->enclosure_table + i);
1764 for (i = 0; i < sc->max_devices; i++) {
1765 sc->removal_table[i].dev_handle = 0;
1766 sc->removal_table[i].dpm_entry_num = MPS_DPM_BAD_IDX;
1769 memset(sc->dpm_entry_used, 0, sc->max_dpm_entries);
1770 memset(sc->dpm_flush_entry, 0, sc->max_dpm_entries);
1772 if (sc->is_dpm_enable) {
1773 dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) +
1774 (sc->max_dpm_entries *
1775 sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY));
1779 if (mps_config_get_dpm_pg0(sc, &mpi_reply, sc->dpm_pg0,
1781 kprintf("%s: dpm page read failed; disabling dpm\n",
1783 if (retry_count < 3) {
1785 goto retry_read_dpm;
1787 sc->is_dpm_enable = 0;
1791 if (sc->is_dpm_enable)
1792 _mapping_process_dpm_pg0(sc);
1794 sc->track_mapping_events = 1;
1799 * mps_mapping_exit - clear mapping table and associated memory
1800 * @sc: per adapter object
1805 mps_mapping_exit(struct mps_softc *sc)
1807 _mapping_flush_dpm_pages(sc);
1808 mps_mapping_free_memory(sc);
1812 * mps_mapping_get_sas_id - assign a target id for sas device
1813 * @sc: per adapter object
1814 * @sas_address: sas address of the device
1815 * @handle: device handle
1817 * Returns valid ID on success or BAD_ID.
1820 mps_mapping_get_sas_id(struct mps_softc *sc, uint64_t sas_address, u16 handle)
1823 struct dev_mapping_table *mt_entry;
1825 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
1826 mt_entry = &sc->mapping_table[map_idx];
1827 if (mt_entry->dev_handle == handle && mt_entry->physical_id ==
1829 return mt_entry->id;
1832 return MPS_MAP_BAD_ID;
1836 * mps_mapping_get_sas_id_from_handle - find a target id in mapping table using
1837 * only the dev handle. This is just a wrapper function for the local function
1838 * _mapping_get_mt_idx_from_handle.
1839 * @sc: per adapter object
1840 * @handle: device handle
1842 * Returns valid ID on success or BAD_ID.
1845 mps_mapping_get_sas_id_from_handle(struct mps_softc *sc, u16 handle)
1847 return (_mapping_get_mt_idx_from_handle(sc, handle));
1851 * mps_mapping_get_raid_id - assign a target id for raid device
1852 * @sc: per adapter object
1853 * @wwid: world wide identifier for raid volume
1854 * @handle: device handle
1856 * Returns valid ID on success or BAD_ID.
1859 mps_mapping_get_raid_id(struct mps_softc *sc, u64 wwid, u16 handle)
1862 struct dev_mapping_table *mt_entry;
1864 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
1865 mt_entry = &sc->mapping_table[map_idx];
1866 if (mt_entry->dev_handle == handle && mt_entry->physical_id ==
1868 return mt_entry->id;
1871 return MPS_MAP_BAD_ID;
1875 * mps_mapping_get_raid_id_from_handle - find raid device in mapping table
1876 * using only the volume dev handle. This is just a wrapper function for the
1877 * local function _mapping_get_ir_mt_idx_from_handle.
1878 * @sc: per adapter object
1879 * @volHandle: volume device handle
1881 * Returns valid ID on success or BAD_ID.
1884 mps_mapping_get_raid_id_from_handle(struct mps_softc *sc, u16 volHandle)
1886 return (_mapping_get_ir_mt_idx_from_handle(sc, volHandle));
1890 * mps_mapping_enclosure_dev_status_change_event - handle enclosure events
1891 * @sc: per adapter object
1892 * @event_data: event data payload
1897 mps_mapping_enclosure_dev_status_change_event(struct mps_softc *sc,
1898 Mpi2EventDataSasEnclDevStatusChange_t *event_data)
1900 u8 enc_idx, missing_count;
1901 struct enc_mapping_table *et_entry;
1902 Mpi2DriverMap0Entry_t *dpm_entry;
1903 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1904 u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
1905 u8 update_phy_bits = 0;
1907 uint64_t temp64_var;
1909 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) !=
1910 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING)
1913 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
1914 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1916 if (event_data->ReasonCode == MPI2_EVENT_SAS_ENCL_RC_ADDED) {
1917 if (!event_data->NumSlots) {
1918 kprintf("%s: enclosure with handle = 0x%x reported 0 "
1919 "slots\n", __func__,
1920 le16toh(event_data->EnclosureHandle));
1923 temp64_var = event_data->EnclosureLogicalID.High;
1924 temp64_var = (temp64_var << 32) |
1925 event_data->EnclosureLogicalID.Low;
1926 enc_idx = _mapping_get_enc_idx_from_id(sc, temp64_var,
1927 event_data->PhyBits);
1928 if (enc_idx != MPS_ENCTABLE_BAD_IDX) {
1929 et_entry = &sc->enclosure_table[enc_idx];
1930 if (et_entry->init_complete &&
1931 !et_entry->missing_count) {
1932 kprintf("%s: enclosure %d is already present "
1933 "with handle = 0x%x\n",__func__, enc_idx,
1934 et_entry->enc_handle);
1937 et_entry->enc_handle = le16toh(event_data->
1939 et_entry->start_slot = le16toh(event_data->StartSlot);
1940 saved_phy_bits = et_entry->phy_bits;
1941 et_entry->phy_bits |= le32toh(event_data->PhyBits);
1942 if (saved_phy_bits != et_entry->phy_bits)
1943 update_phy_bits = 1;
1944 if (et_entry->missing_count || update_phy_bits) {
1945 et_entry->missing_count = 0;
1946 if (sc->is_dpm_enable &&
1947 et_entry->dpm_entry_num !=
1949 dpm_entry += et_entry->dpm_entry_num;
1951 (u8)(dpm_entry->MappingInformation &
1952 MPI2_DRVMAP0_MAPINFO_MISSING_MASK);
1953 if (!et_entry->init_complete && (
1954 missing_count || update_phy_bits)) {
1955 dpm_entry->MappingInformation
1956 = et_entry->num_slots;
1957 dpm_entry->MappingInformation
1959 dpm_entry->PhysicalBitsMapping
1960 = et_entry->phy_bits;
1961 sc->dpm_flush_entry[et_entry->
1967 enc_idx = sc->num_enc_table_entries;
1968 if (enc_idx >= sc->max_enclosures) {
1969 kprintf("%s: enclosure can not be added; "
1970 "mapping table is full\n", __func__);
1973 sc->num_enc_table_entries++;
1974 et_entry = &sc->enclosure_table[enc_idx];
1975 et_entry->enc_handle = le16toh(event_data->
1977 et_entry->enclosure_id = event_data->
1978 EnclosureLogicalID.High;
1979 et_entry->enclosure_id = ( et_entry->enclosure_id <<
1980 32) | event_data->EnclosureLogicalID.Low;
1981 et_entry->start_index = MPS_MAPTABLE_BAD_IDX;
1982 et_entry->dpm_entry_num = MPS_DPM_BAD_IDX;
1983 et_entry->num_slots = le16toh(event_data->NumSlots);
1984 et_entry->start_slot = le16toh(event_data->StartSlot);
1985 et_entry->phy_bits = le32toh(event_data->PhyBits);
1987 et_entry->init_complete = 1;
1988 } else if (event_data->ReasonCode ==
1989 MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING) {
1990 enc_idx = _mapping_get_enc_idx_from_handle(sc,
1991 le16toh(event_data->EnclosureHandle));
1992 if (enc_idx == MPS_ENCTABLE_BAD_IDX) {
1993 kprintf("%s: cannot unmap enclosure %d because it has "
1994 "already been deleted", __func__, enc_idx);
1997 et_entry = &sc->enclosure_table[enc_idx];
1998 if (!et_entry->init_complete) {
1999 if (et_entry->missing_count < MPS_MAX_MISSING_COUNT)
2000 et_entry->missing_count++;
2002 et_entry->init_complete = 1;
2004 if (!et_entry->missing_count)
2005 et_entry->missing_count++;
2006 if (sc->is_dpm_enable && !et_entry->init_complete &&
2007 et_entry->dpm_entry_num != MPS_DPM_BAD_IDX) {
2008 dpm_entry += et_entry->dpm_entry_num;
2009 dpm_entry->MappingInformation = et_entry->num_slots;
2010 dpm_entry->MappingInformation <<= map_shift;
2011 dpm_entry->MappingInformation |=
2012 et_entry->missing_count;
2013 sc->dpm_flush_entry[et_entry->dpm_entry_num] = 1;
2015 et_entry->init_complete = 1;
2019 _mapping_flush_dpm_pages(sc);
2020 if (sc->pending_map_events)
2021 sc->pending_map_events--;
2025 * mps_mapping_topology_change_event - handle topology change events
2026 * @sc: per adapter object
2027 * @event_data: event data payload
2032 mps_mapping_topology_change_event(struct mps_softc *sc,
2033 Mpi2EventDataSasTopologyChangeList_t *event_data)
2035 struct _map_topology_change topo_change;
2036 struct _map_phy_change *phy_change;
2037 Mpi2EventSasTopoPhyEntry_t *event_phy_change;
2040 topo_change.enc_handle = le16toh(event_data->EnclosureHandle);
2041 topo_change.exp_handle = le16toh(event_data->ExpanderDevHandle);
2042 num_entries = event_data->NumEntries;
2043 topo_change.num_entries = num_entries;
2044 topo_change.start_phy_num = event_data->StartPhyNum;
2045 topo_change.num_phys = event_data->NumPhys;
2046 topo_change.exp_status = event_data->ExpStatus;
2047 event_phy_change = event_data->PHY;
2048 topo_change.phy_details = NULL;
2052 phy_change = kmalloc(sizeof(struct _map_phy_change) * num_entries,
2053 M_MPT2, M_INTWAIT|M_ZERO);
2054 topo_change.phy_details = phy_change;
2057 for (i = 0; i < num_entries; i++, event_phy_change++, phy_change++) {
2058 phy_change->dev_handle = le16toh(event_phy_change->
2060 phy_change->reason = event_phy_change->PhyStatus &
2061 MPI2_EVENT_SAS_TOPO_RC_MASK;
2063 _mapping_update_missing_count(sc, &topo_change);
2064 _mapping_get_dev_info(sc, &topo_change);
2065 _mapping_clear_removed_entries(sc);
2066 _mapping_add_new_device(sc, &topo_change);
2069 kfree(topo_change.phy_details, M_MPT2);
2070 _mapping_flush_dpm_pages(sc);
2071 if (sc->pending_map_events)
2072 sc->pending_map_events--;
2076 * _mapping_check_update_ir_mt_idx - Check and update IR map table index
2077 * @sc: per adapter object
2078 * @event_data: event data payload
2079 * @evt_idx: current event index
2080 * @map_idx: current index and the place holder for new map table index
2081 * @wwid_table: world wide name for volumes in the element table
2083 * pass through IR events and find whether any events matches and if so
2084 * tries to find new index if not returns failure
2086 * Returns 0 on success and 1 on failure
2089 _mapping_check_update_ir_mt_idx(struct mps_softc *sc,
2090 Mpi2EventDataIrConfigChangeList_t *event_data, int evt_idx, u32 *map_idx,
2093 struct dev_mapping_table *mt_entry;
2094 u32 st_idx, end_idx, mt_idx = *map_idx;
2096 Mpi2EventIrConfigElement_t *element;
2100 mt_entry = &sc->mapping_table[mt_idx];
2101 _mapping_get_ir_maprange(sc, &st_idx, &end_idx);
2104 for (i = evt_idx + 1; i < event_data->NumElements; i++) {
2105 element = (Mpi2EventIrConfigElement_t *)
2106 &event_data->ConfigElement[i];
2107 element_flags = le16toh(element->ElementFlags);
2108 if ((element_flags &
2109 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK) !=
2110 MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT)
2112 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_ADDED ||
2113 element->ReasonCode ==
2114 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) {
2115 if (mt_entry->physical_id == wwid_table[i]) {
2125 if (mt_idx > end_idx)
2127 mt_entry = &sc->mapping_table[mt_idx];
2128 } while (mt_entry->device_info & MPS_MAP_IN_USE);
2136 * mps_mapping_ir_config_change_event - handle IR config change list events
2137 * @sc: per adapter object
2138 * @event_data: event data payload
2143 mps_mapping_ir_config_change_event(struct mps_softc *sc,
2144 Mpi2EventDataIrConfigChangeList_t *event_data)
2146 Mpi2EventIrConfigElement_t *element;
2150 struct dev_mapping_table *mt_entry;
2152 u8 log_full_error = 0;
2154 wwid_table = kmalloc(sizeof(u64) * event_data->NumElements, M_MPT2,
2155 M_INTWAIT | M_ZERO);
2158 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
2159 flags = le32toh(event_data->Flags);
2160 for (i = 0; i < event_data->NumElements; i++, element++) {
2161 element_flags = le16toh(element->ElementFlags);
2162 if ((element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_ADDED) &&
2163 (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_REMOVED) &&
2164 (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE)
2165 && (element->ReasonCode !=
2166 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED))
2168 if ((element_flags &
2169 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK) ==
2170 MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT) {
2171 mps_config_get_volume_wwid(sc,
2172 le16toh(element->VolDevHandle), &wwid_table[i]);
2173 map_idx = _mapping_get_ir_mt_idx_from_wwid(sc,
2175 if (map_idx != MPS_MAPTABLE_BAD_IDX) {
2176 mt_entry = &sc->mapping_table[map_idx];
2177 mt_entry->device_info |= MPS_MAP_IN_USE;
2181 if (flags == MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
2184 element = (Mpi2EventIrConfigElement_t *)&event_data->
2186 for (i = 0; i < event_data->NumElements; i++, element++) {
2187 if (element->ReasonCode ==
2188 MPI2_EVENT_IR_CHANGE_RC_ADDED ||
2189 element->ReasonCode ==
2190 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) {
2191 map_idx = _mapping_get_ir_mt_idx_from_wwid
2192 (sc, wwid_table[i]);
2193 if (map_idx != MPS_MAPTABLE_BAD_IDX) {
2194 mt_entry = &sc->mapping_table[map_idx];
2195 mt_entry->channel = MPS_RAID_CHANNEL;
2196 mt_entry->id = map_idx;
2197 mt_entry->dev_handle = le16toh
2198 (element->VolDevHandle);
2199 mt_entry->device_info =
2200 MPS_DEV_RESERVED | MPS_MAP_IN_USE;
2201 _mapping_update_ir_missing_cnt(sc,
2202 map_idx, element, wwid_table[i]);
2205 map_idx = _mapping_get_free_ir_mt_idx(sc);
2206 if (map_idx == MPS_MAPTABLE_BAD_IDX)
2208 else if (i < (event_data->NumElements - 1)) {
2210 _mapping_check_update_ir_mt_idx
2211 (sc, event_data, i, &map_idx,
2214 if (log_full_error) {
2215 kprintf("%s: no space to add the RAID "
2216 "volume with handle 0x%04x in "
2217 "mapping table\n", __func__, le16toh
2218 (element->VolDevHandle));
2221 mt_entry = &sc->mapping_table[map_idx];
2222 mt_entry->physical_id = wwid_table[i];
2223 mt_entry->channel = MPS_RAID_CHANNEL;
2224 mt_entry->id = map_idx;
2225 mt_entry->dev_handle = le16toh(element->
2227 mt_entry->device_info = MPS_DEV_RESERVED |
2229 mt_entry->init_complete = 0;
2230 _mapping_update_ir_missing_cnt(sc, map_idx,
2231 element, wwid_table[i]);
2232 } else if (element->ReasonCode ==
2233 MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
2234 map_idx = _mapping_get_ir_mt_idx_from_wwid(sc,
2236 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
2237 kprintf("%s: failed to remove a volume "
2238 "because it has already been "
2239 "removed\n", __func__);
2242 _mapping_update_ir_missing_cnt(sc, map_idx,
2243 element, wwid_table[i]);
2244 } else if (element->ReasonCode ==
2245 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED) {
2246 map_idx = _mapping_get_mt_idx_from_handle(sc,
2247 le16toh(element->VolDevHandle));
2248 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
2249 kprintf("%s: failed to remove volume "
2250 "with handle 0x%04x because it has "
2251 "already been removed\n", __func__,
2252 le16toh(element->VolDevHandle));
2255 mt_entry = &sc->mapping_table[map_idx];
2256 _mapping_update_ir_missing_cnt(sc, map_idx,
2257 element, mt_entry->physical_id);
2263 _mapping_flush_dpm_pages(sc);
2264 kfree(wwid_table, M_MPT2);
2265 if (sc->pending_map_events)
2266 sc->pending_map_events--;