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);
331 end_idx = sc->max_devices;
332 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
335 _mapping_get_ir_maprange(sc, &start_idx_ir, &end_idx_ir);
336 if (start_idx == start_idx_ir)
337 start_idx = end_idx_ir + 1;
339 end_idx = start_idx_ir;
340 mt_entry = &sc->mapping_table[start_idx];
341 for (map_idx = start_idx; map_idx < end_idx; map_idx++, mt_entry++) {
342 if (mt_entry->missing_count > high_missing_count) {
343 high_missing_count = mt_entry->missing_count;
351 * _mapping_get_ir_mt_idx_from_wwid - get map table index from volume WWID
352 * @sc: per adapter object
353 * @wwid: world wide unique ID of the volume
355 * Returns the index of map table entry on success or bad index.
358 _mapping_get_ir_mt_idx_from_wwid(struct mps_softc *sc, u64 wwid)
360 u32 start_idx, end_idx, map_idx;
361 struct dev_mapping_table *mt_entry;
363 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
364 mt_entry = &sc->mapping_table[start_idx];
365 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)
366 if (mt_entry->physical_id == wwid)
369 return MPS_MAPTABLE_BAD_IDX;
373 * _mapping_get_mt_idx_from_id - get map table index from a device ID
374 * @sc: per adapter object
375 * @dev_id: device identifer (SAS Address)
377 * Returns the index of map table entry on success or bad index.
380 _mapping_get_mt_idx_from_id(struct mps_softc *sc, u64 dev_id)
383 struct dev_mapping_table *mt_entry;
385 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
386 mt_entry = &sc->mapping_table[map_idx];
387 if (mt_entry->physical_id == dev_id)
390 return MPS_MAPTABLE_BAD_IDX;
394 * _mapping_get_ir_mt_idx_from_handle - get map table index from volume handle
395 * @sc: per adapter object
396 * @wwid: volume device handle
398 * Returns the index of map table entry on success or bad index.
401 _mapping_get_ir_mt_idx_from_handle(struct mps_softc *sc, u16 volHandle)
403 u32 start_idx, end_idx, map_idx;
404 struct dev_mapping_table *mt_entry;
406 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
407 mt_entry = &sc->mapping_table[start_idx];
408 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)
409 if (mt_entry->dev_handle == volHandle)
412 return MPS_MAPTABLE_BAD_IDX;
416 * _mapping_get_mt_idx_from_handle - get map table index from handle
417 * @sc: per adapter object
418 * @dev_id: device handle
420 * Returns the index of map table entry on success or bad index.
423 _mapping_get_mt_idx_from_handle(struct mps_softc *sc, u16 handle)
426 struct dev_mapping_table *mt_entry;
428 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
429 mt_entry = &sc->mapping_table[map_idx];
430 if (mt_entry->dev_handle == handle)
433 return MPS_MAPTABLE_BAD_IDX;
437 * _mapping_get_free_ir_mt_idx - get first free index for a volume
438 * @sc: per adapter object
440 * Search through mapping table for free index for a volume and if no free
441 * index then looks for a volume with high mapping index
443 * Returns the index of map table entry on success or bad index.
446 _mapping_get_free_ir_mt_idx(struct mps_softc *sc)
448 u8 high_missing_count = 0;
449 u32 start_idx, end_idx, map_idx;
450 u32 high_idx = MPS_MAPTABLE_BAD_IDX;
451 struct dev_mapping_table *mt_entry;
453 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
455 mt_entry = &sc->mapping_table[start_idx];
456 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)
457 if (!(mt_entry->device_info & MPS_MAP_IN_USE))
460 mt_entry = &sc->mapping_table[start_idx];
461 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) {
462 if (mt_entry->missing_count > high_missing_count) {
463 high_missing_count = mt_entry->missing_count;
471 * _mapping_get_free_mt_idx - get first free index for a device
472 * @sc: per adapter object
473 * @start_idx: offset in the table to start search
475 * Returns the index of map table entry on success or bad index.
478 _mapping_get_free_mt_idx(struct mps_softc *sc, u32 start_idx)
480 u32 map_idx, max_idx = sc->max_devices;
481 struct dev_mapping_table *mt_entry = &sc->mapping_table[start_idx];
482 u16 volume_mapping_flags;
484 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
485 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
486 if (sc->ir_firmware && (volume_mapping_flags ==
487 MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING))
488 max_idx -= sc->max_volumes;
489 for (map_idx = start_idx; map_idx < max_idx; map_idx++, mt_entry++)
490 if (!(mt_entry->device_info & (MPS_MAP_IN_USE |
494 return MPS_MAPTABLE_BAD_IDX;
498 * _mapping_get_dpm_idx_from_id - get DPM index from ID
499 * @sc: per adapter object
500 * @id: volume WWID or enclosure ID or device ID
502 * Returns the index of DPM entry on success or bad index.
505 _mapping_get_dpm_idx_from_id(struct mps_softc *sc, u64 id, u32 phy_bits)
508 uint64_t PhysicalIdentifier;
509 Mpi2DriverMap0Entry_t *dpm_entry;
511 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
512 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
513 PhysicalIdentifier = dpm_entry->PhysicalIdentifier.High;
514 PhysicalIdentifier = (PhysicalIdentifier << 32) |
515 dpm_entry->PhysicalIdentifier.Low;
516 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++,
518 if ((id == PhysicalIdentifier) &&
519 (!phy_bits || !dpm_entry->PhysicalBitsMapping ||
520 (phy_bits & dpm_entry->PhysicalBitsMapping)))
523 return MPS_DPM_BAD_IDX;
528 * _mapping_get_free_dpm_idx - get first available DPM index
529 * @sc: per adapter object
531 * Returns the index of DPM entry on success or bad index.
534 _mapping_get_free_dpm_idx(struct mps_softc *sc)
538 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) {
539 if (!sc->dpm_entry_used[entry_num])
542 return MPS_DPM_BAD_IDX;
546 * _mapping_update_ir_missing_cnt - Updates missing count for a volume
547 * @sc: per adapter object
548 * @map_idx: map table index of the volume
549 * @element: IR configuration change element
550 * @wwid: IR volume ID.
552 * Updates the missing count in the map table and in the DPM entry for a volume
557 _mapping_update_ir_missing_cnt(struct mps_softc *sc, u32 map_idx,
558 Mpi2EventIrConfigElement_t *element, u64 wwid)
560 struct dev_mapping_table *mt_entry;
561 u8 missing_cnt, reason = element->ReasonCode;
563 Mpi2DriverMap0Entry_t *dpm_entry;
565 if (!sc->is_dpm_enable)
567 mt_entry = &sc->mapping_table[map_idx];
568 if (reason == MPI2_EVENT_IR_CHANGE_RC_ADDED) {
569 mt_entry->missing_count = 0;
570 } else if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) {
571 mt_entry->missing_count = 0;
572 mt_entry->init_complete = 0;
573 } else if ((reason == MPI2_EVENT_IR_CHANGE_RC_REMOVED) ||
574 (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED)) {
575 if (!mt_entry->init_complete) {
576 if (mt_entry->missing_count < MPS_MAX_MISSING_COUNT)
577 mt_entry->missing_count++;
579 mt_entry->init_complete = 1;
581 if (!mt_entry->missing_count)
582 mt_entry->missing_count++;
583 mt_entry->dev_handle = 0;
586 dpm_idx = mt_entry->dpm_entry_num;
587 if (dpm_idx == MPS_DPM_BAD_IDX) {
588 if ((reason == MPI2_EVENT_IR_CHANGE_RC_ADDED) ||
589 (reason == MPI2_EVENT_IR_CHANGE_RC_REMOVED))
590 dpm_idx = _mapping_get_dpm_idx_from_id(sc,
591 mt_entry->physical_id, 0);
592 else if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED)
595 if (dpm_idx != MPS_DPM_BAD_IDX) {
596 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
597 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
598 dpm_entry += dpm_idx;
599 missing_cnt = dpm_entry->MappingInformation &
600 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
601 if ((mt_entry->physical_id ==
602 le64toh((u64)dpm_entry->PhysicalIdentifier.High |
603 dpm_entry->PhysicalIdentifier.Low)) && (missing_cnt ==
604 mt_entry->missing_count))
605 mt_entry->init_complete = 1;
607 dpm_idx = _mapping_get_free_dpm_idx(sc);
608 mt_entry->init_complete = 0;
611 if ((dpm_idx != MPS_DPM_BAD_IDX) && !mt_entry->init_complete) {
612 mt_entry->init_complete = 1;
613 mt_entry->dpm_entry_num = dpm_idx;
614 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
615 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
616 dpm_entry += dpm_idx;
617 dpm_entry->PhysicalIdentifier.Low =
618 (0xFFFFFFFF & mt_entry->physical_id);
619 dpm_entry->PhysicalIdentifier.High =
620 (mt_entry->physical_id >> 32);
621 dpm_entry->DeviceIndex = map_idx;
622 dpm_entry->MappingInformation = mt_entry->missing_count;
623 dpm_entry->PhysicalBitsMapping = 0;
624 dpm_entry->Reserved1 = 0;
625 sc->dpm_flush_entry[dpm_idx] = 1;
626 sc->dpm_entry_used[dpm_idx] = 1;
627 } else if (dpm_idx == MPS_DPM_BAD_IDX) {
628 kprintf("%s: no space to add entry in DPM table\n", __func__);
629 mt_entry->init_complete = 1;
634 * _mapping_add_to_removal_table - mark an entry for removal
635 * @sc: per adapter object
636 * @handle: Handle of enclosures/device/volume
638 * Adds the handle or DPM entry number in removal table.
643 _mapping_add_to_removal_table(struct mps_softc *sc, u16 handle,
646 struct map_removal_table *remove_entry;
648 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
650 remove_entry = sc->removal_table;
652 for (i = 0; i < sc->max_devices; i++, remove_entry++) {
653 if (remove_entry->dev_handle || remove_entry->dpm_entry_num !=
656 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
657 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
659 remove_entry->dpm_entry_num = dpm_idx;
660 if (remove_entry->dpm_entry_num == MPS_DPM_BAD_IDX)
661 remove_entry->dev_handle = handle;
662 } else if ((ioc_pg8_flags &
663 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
664 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING)
665 remove_entry->dev_handle = handle;
672 * _mapping_update_missing_count - Update missing count for a device
673 * @sc: per adapter object
674 * @topo_change: Topology change event entry
676 * Search through the topology change list and if any device is found not
677 * responding it's associated map table entry and DPM entry is updated
682 _mapping_update_missing_count(struct mps_softc *sc,
683 struct _map_topology_change *topo_change)
685 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
687 struct _map_phy_change *phy_change;
689 struct dev_mapping_table *mt_entry;
690 Mpi2DriverMap0Entry_t *dpm_entry;
692 for (entry = 0; entry < topo_change->num_entries; entry++) {
693 phy_change = &topo_change->phy_details[entry];
694 if (!phy_change->dev_handle || (phy_change->reason !=
695 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
697 map_idx = _mapping_get_mt_idx_from_handle(sc, phy_change->
699 phy_change->is_processed = 1;
700 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
701 kprintf("%s: device is already removed from mapping "
702 "table\n", __func__);
705 mt_entry = &sc->mapping_table[map_idx];
706 if (!mt_entry->init_complete) {
707 if (mt_entry->missing_count < MPS_MAX_MISSING_COUNT)
708 mt_entry->missing_count++;
710 mt_entry->init_complete = 1;
712 if (!mt_entry->missing_count)
713 mt_entry->missing_count++;
714 _mapping_add_to_removal_table(sc, mt_entry->dev_handle, 0);
715 mt_entry->dev_handle = 0;
717 if (((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
718 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) &&
719 sc->is_dpm_enable && !mt_entry->init_complete &&
720 mt_entry->dpm_entry_num != MPS_DPM_BAD_IDX) {
722 (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 +
723 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
724 dpm_entry += mt_entry->dpm_entry_num;
725 dpm_entry->MappingInformation = mt_entry->missing_count;
726 sc->dpm_flush_entry[mt_entry->dpm_entry_num] = 1;
728 mt_entry->init_complete = 1;
733 * _mapping_find_enc_map_space -find map table entries for enclosure
734 * @sc: per adapter object
735 * @et_entry: enclosure entry
737 * Search through the mapping table defragment it and provide contiguous
738 * space in map table for a particular enclosure entry
740 * Returns start index in map table or bad index.
743 _mapping_find_enc_map_space(struct mps_softc *sc,
744 struct enc_mapping_table *et_entry)
746 u16 vol_mapping_flags;
747 u32 skip_count, end_of_table, map_idx, enc_idx;
749 u32 start_idx = MPS_MAPTABLE_BAD_IDX;
750 struct dev_mapping_table *mt_entry;
751 struct enc_mapping_table *enc_entry;
752 unsigned char done_flag = 0, found_space;
753 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
755 skip_count = sc->num_rsvd_entries;
758 vol_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
759 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
761 if (!sc->ir_firmware)
762 end_of_table = sc->max_devices;
763 else if (vol_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING)
764 end_of_table = sc->max_devices;
766 end_of_table = sc->max_devices - sc->max_volumes;
768 for (map_idx = (max_num_phy_ids + skip_count);
769 map_idx < end_of_table; map_idx++) {
770 mt_entry = &sc->mapping_table[map_idx];
771 if ((et_entry->enclosure_id == mt_entry->physical_id) &&
772 (!mt_entry->phy_bits || (mt_entry->phy_bits &
773 et_entry->phy_bits))) {
775 if (num_found == et_entry->num_slots) {
776 start_idx = (map_idx - num_found) + 1;
782 for (map_idx = (max_num_phy_ids + skip_count);
783 map_idx < end_of_table; map_idx++) {
784 mt_entry = &sc->mapping_table[map_idx];
785 if (!(mt_entry->device_info & MPS_DEV_RESERVED)) {
787 if (num_found == et_entry->num_slots) {
788 start_idx = (map_idx - num_found) + 1;
796 enc_idx = _mapping_get_high_missing_et_idx(sc);
797 if (enc_idx == MPS_ENCTABLE_BAD_IDX)
798 return MPS_MAPTABLE_BAD_IDX;
799 enc_entry = &sc->enclosure_table[enc_idx];
801 enc_entry->skip_search = 1;
802 mt_entry = &sc->mapping_table[enc_entry->start_index];
803 for (map_idx = enc_entry->start_index; map_idx <
804 (enc_entry->start_index + enc_entry->num_slots); map_idx++,
806 mt_entry->device_info &= ~MPS_DEV_RESERVED;
808 for (map_idx = (max_num_phy_ids +
809 skip_count); map_idx < end_of_table; map_idx++) {
810 mt_entry = &sc->mapping_table[map_idx];
811 if (!(mt_entry->device_info & MPS_DEV_RESERVED)) {
813 if (num_found == et_entry->num_slots) {
814 start_idx = (map_idx - num_found) + 1;
823 for (map_idx = start_idx; map_idx < (start_idx + num_found);
825 enc_entry = sc->enclosure_table;
826 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries;
827 enc_idx++, enc_entry++) {
828 if (map_idx < enc_entry->start_index ||
829 map_idx > (enc_entry->start_index +
830 enc_entry->num_slots))
832 if (!enc_entry->removal_flag) {
833 enc_entry->removal_flag = 1;
834 _mapping_add_to_removal_table(sc, 0,
835 enc_entry->dpm_entry_num);
837 mt_entry = &sc->mapping_table[map_idx];
838 if (mt_entry->device_info &
840 _mapping_add_to_removal_table(sc,
841 mt_entry->dev_handle, 0);
842 _mapping_clear_map_entry(mt_entry);
844 if (map_idx == (enc_entry->start_index +
845 enc_entry->num_slots - 1))
846 _mapping_clear_enc_entry(et_entry);
849 enc_entry = sc->enclosure_table;
850 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries;
851 enc_idx++, enc_entry++) {
852 if (!enc_entry->removal_flag) {
853 mt_entry = &sc->mapping_table[enc_entry->
855 for (map_idx = enc_entry->start_index; map_idx <
856 (enc_entry->start_index +
857 enc_entry->num_slots); map_idx++,
859 mt_entry->device_info |=
861 et_entry->skip_search = 0;
870 * _mapping_get_dev_info -get information about newly added devices
871 * @sc: per adapter object
872 * @topo_change: Topology change event entry
874 * Search through the topology change event list and issues sas device pg0
875 * requests for the newly added device and reserved entries in tables
880 _mapping_get_dev_info(struct mps_softc *sc,
881 struct _map_topology_change *topo_change)
883 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
884 Mpi2ConfigReply_t mpi_reply;
885 Mpi2SasDevicePage0_t sas_device_pg0;
886 u8 entry, enc_idx, phy_idx;
887 u32 map_idx, index, device_info;
888 struct _map_phy_change *phy_change, *tmp_phy_change;
889 uint64_t sas_address;
890 struct enc_mapping_table *et_entry;
891 struct dev_mapping_table *mt_entry;
892 u8 add_code = MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED;
895 for (entry = 0; entry < topo_change->num_entries; entry++) {
896 phy_change = &topo_change->phy_details[entry];
897 if (phy_change->is_processed || !phy_change->dev_handle ||
898 phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED)
900 if (mps_config_get_sas_device_pg0(sc, &mpi_reply,
901 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
902 phy_change->dev_handle)) {
903 phy_change->is_processed = 1;
907 device_info = le32toh(sas_device_pg0.DeviceInfo);
908 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
909 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
910 if ((device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE) &&
911 (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)) {
912 rc = mpssas_get_sas_address_for_sata_disk(sc,
913 &sas_address, phy_change->dev_handle,
916 kprintf("%s: failed to compute the "
917 "hashed SAS Address for SATA "
918 "device with handle 0x%04x\n",
919 __func__, phy_change->dev_handle);
921 sas_device_pg0.SASAddress.High;
922 sas_address = (sas_address << 32) |
923 sas_device_pg0.SASAddress.Low;
925 mps_dprint(sc, MPS_INFO, "SAS Address for SATA "
926 "device = %jx\n", sas_address);
929 sas_device_pg0.SASAddress.High;
930 sas_address = (sas_address << 32) |
931 sas_device_pg0.SASAddress.Low;
934 sas_address = sas_device_pg0.SASAddress.High;
935 sas_address = (sas_address << 32) |
936 sas_device_pg0.SASAddress.Low;
938 phy_change->physical_id = sas_address;
939 phy_change->slot = le16toh(sas_device_pg0.Slot);
940 phy_change->device_info =
941 le32toh(sas_device_pg0.DeviceInfo);
943 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
944 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
945 enc_idx = _mapping_get_enc_idx_from_handle(sc,
946 topo_change->enc_handle);
947 if (enc_idx == MPS_ENCTABLE_BAD_IDX) {
948 phy_change->is_processed = 1;
949 kprintf("%s: failed to add the device with "
950 "handle 0x%04x because the enclosure is "
951 "not in the mapping table\n", __func__,
952 phy_change->dev_handle);
955 if (!((phy_change->device_info &
956 MPI2_SAS_DEVICE_INFO_END_DEVICE) &&
957 (phy_change->device_info &
958 (MPI2_SAS_DEVICE_INFO_SSP_TARGET |
959 MPI2_SAS_DEVICE_INFO_STP_TARGET |
960 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))) {
961 phy_change->is_processed = 1;
964 et_entry = &sc->enclosure_table[enc_idx];
965 if (et_entry->start_index != MPS_MAPTABLE_BAD_IDX)
967 if (!topo_change->exp_handle) {
968 map_idx = sc->num_rsvd_entries;
969 et_entry->start_index = map_idx;
971 map_idx = _mapping_find_enc_map_space(sc,
973 et_entry->start_index = map_idx;
974 if (et_entry->start_index ==
975 MPS_MAPTABLE_BAD_IDX) {
976 phy_change->is_processed = 1;
977 for (phy_idx = 0; phy_idx <
978 topo_change->num_entries;
981 &topo_change->phy_details
983 if (tmp_phy_change->reason ==
991 mt_entry = &sc->mapping_table[map_idx];
992 for (index = map_idx; index < (et_entry->num_slots
993 + map_idx); index++, mt_entry++) {
994 mt_entry->device_info = MPS_DEV_RESERVED;
995 mt_entry->physical_id = et_entry->enclosure_id;
996 mt_entry->phy_bits = et_entry->phy_bits;
1003 * _mapping_set_mid_to_eid -set map table data from enclosure table
1004 * @sc: per adapter object
1005 * @et_entry: enclosure entry
1010 _mapping_set_mid_to_eid(struct mps_softc *sc,
1011 struct enc_mapping_table *et_entry)
1013 struct dev_mapping_table *mt_entry;
1014 u16 slots = et_entry->num_slots, map_idx;
1015 u32 start_idx = et_entry->start_index;
1016 if (start_idx != MPS_MAPTABLE_BAD_IDX) {
1017 mt_entry = &sc->mapping_table[start_idx];
1018 for (map_idx = 0; map_idx < slots; map_idx++, mt_entry++)
1019 mt_entry->physical_id = et_entry->enclosure_id;
1024 * _mapping_clear_removed_entries - mark the entries to be cleared
1025 * @sc: per adapter object
1027 * Search through the removal table and mark the entries which needs to be
1028 * flushed to DPM and also updates the map table and enclosure table by
1029 * clearing the corresponding entries.
1034 _mapping_clear_removed_entries(struct mps_softc *sc)
1037 struct map_removal_table *remove_entry;
1038 Mpi2DriverMap0Entry_t *dpm_entry;
1039 u8 done_flag = 0, num_entries, m, i;
1040 struct enc_mapping_table *et_entry, *from, *to;
1041 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1043 if (sc->is_dpm_enable) {
1044 remove_entry = sc->removal_table;
1045 for (remove_idx = 0; remove_idx < sc->max_devices;
1046 remove_idx++, remove_entry++) {
1047 if (remove_entry->dpm_entry_num != MPS_DPM_BAD_IDX) {
1048 dpm_entry = (Mpi2DriverMap0Entry_t *)
1049 ((u8 *) sc->dpm_pg0 +
1050 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1051 dpm_entry += remove_entry->dpm_entry_num;
1052 dpm_entry->PhysicalIdentifier.Low = 0;
1053 dpm_entry->PhysicalIdentifier.High = 0;
1054 dpm_entry->DeviceIndex = 0;
1055 dpm_entry->MappingInformation = 0;
1056 dpm_entry->PhysicalBitsMapping = 0;
1057 sc->dpm_flush_entry[remove_entry->
1059 sc->dpm_entry_used[remove_entry->dpm_entry_num]
1061 remove_entry->dpm_entry_num = MPS_DPM_BAD_IDX;
1065 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1066 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1067 num_entries = sc->num_enc_table_entries;
1068 while (!done_flag) {
1070 et_entry = sc->enclosure_table;
1071 for (i = 0; i < num_entries; i++, et_entry++) {
1072 if (!et_entry->enc_handle && et_entry->
1075 if (i != (num_entries - 1)) {
1076 from = &sc->enclosure_table
1078 to = &sc->enclosure_table[i];
1079 for (m = i; m < (num_entries -
1080 1); m++, from++, to++) {
1081 _mapping_set_mid_to_eid
1085 _mapping_clear_enc_entry(to);
1086 sc->num_enc_table_entries--;
1088 sc->num_enc_table_entries;
1090 _mapping_clear_enc_entry
1092 sc->num_enc_table_entries--;
1094 sc->num_enc_table_entries;
1103 * _mapping_add_new_device -Add the new device into mapping table
1104 * @sc: per adapter object
1105 * @topo_change: Topology change event entry
1107 * Search through the topology change event list and updates map table,
1108 * enclosure table and DPM pages for for the newly added devices.
1113 _mapping_add_new_device(struct mps_softc *sc,
1114 struct _map_topology_change *topo_change)
1116 u8 enc_idx, missing_cnt, is_removed = 0;
1118 u32 search_idx, map_idx;
1120 struct dev_mapping_table *mt_entry;
1121 struct enc_mapping_table *et_entry;
1122 struct _map_phy_change *phy_change;
1123 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1124 Mpi2DriverMap0Entry_t *dpm_entry;
1125 uint64_t temp64_var;
1126 u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
1127 u8 hdr_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER);
1128 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
1130 for (entry = 0; entry < topo_change->num_entries; entry++) {
1131 phy_change = &topo_change->phy_details[entry];
1132 if (phy_change->is_processed)
1134 if (phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED ||
1135 !phy_change->dev_handle) {
1136 phy_change->is_processed = 1;
1139 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1140 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1141 enc_idx = _mapping_get_enc_idx_from_handle
1142 (sc, topo_change->enc_handle);
1143 if (enc_idx == MPS_ENCTABLE_BAD_IDX) {
1144 phy_change->is_processed = 1;
1145 kprintf("%s: failed to add the device with "
1146 "handle 0x%04x because the enclosure is "
1147 "not in the mapping table\n", __func__,
1148 phy_change->dev_handle);
1151 et_entry = &sc->enclosure_table[enc_idx];
1152 if (et_entry->start_index == MPS_MAPTABLE_BAD_IDX) {
1153 phy_change->is_processed = 1;
1154 if (!sc->mt_full_retry) {
1155 sc->mt_add_device_failed = 1;
1158 kprintf("%s: failed to add the device with "
1159 "handle 0x%04x because there is no free "
1160 "space available in the mapping table\n",
1161 __func__, phy_change->dev_handle);
1164 map_idx = et_entry->start_index + phy_change->slot -
1165 et_entry->start_slot;
1166 mt_entry = &sc->mapping_table[map_idx];
1167 mt_entry->physical_id = phy_change->physical_id;
1168 mt_entry->channel = 0;
1169 mt_entry->id = map_idx;
1170 mt_entry->dev_handle = phy_change->dev_handle;
1171 mt_entry->missing_count = 0;
1172 mt_entry->dpm_entry_num = et_entry->dpm_entry_num;
1173 mt_entry->device_info = phy_change->device_info |
1174 (MPS_DEV_RESERVED | MPS_MAP_IN_USE);
1175 if (sc->is_dpm_enable) {
1176 dpm_idx = et_entry->dpm_entry_num;
1177 if (dpm_idx == MPS_DPM_BAD_IDX)
1178 dpm_idx = _mapping_get_dpm_idx_from_id
1179 (sc, et_entry->enclosure_id,
1180 et_entry->phy_bits);
1181 if (dpm_idx == MPS_DPM_BAD_IDX) {
1182 dpm_idx = _mapping_get_free_dpm_idx(sc);
1183 if (dpm_idx != MPS_DPM_BAD_IDX) {
1185 (Mpi2DriverMap0Entry_t *)
1186 ((u8 *) sc->dpm_pg0 +
1188 dpm_entry += dpm_idx;
1190 PhysicalIdentifier.Low =
1192 et_entry->enclosure_id);
1194 PhysicalIdentifier.High =
1195 ( et_entry->enclosure_id
1197 dpm_entry->DeviceIndex =
1198 (U16)et_entry->start_index;
1199 dpm_entry->MappingInformation =
1200 et_entry->num_slots;
1201 dpm_entry->MappingInformation
1203 dpm_entry->PhysicalBitsMapping
1204 = et_entry->phy_bits;
1205 et_entry->dpm_entry_num =
1207 /* FIXME Do I need to set the dpm_idxin mt_entry too */
1208 sc->dpm_entry_used[dpm_idx] = 1;
1209 sc->dpm_flush_entry[dpm_idx] =
1211 phy_change->is_processed = 1;
1213 phy_change->is_processed = 1;
1214 kprintf("%s: failed to add the "
1215 "device with handle 0x%04x "
1216 "to persistent table "
1217 "because there is no free "
1218 "space available\n",
1220 phy_change->dev_handle);
1223 et_entry->dpm_entry_num = dpm_idx;
1224 mt_entry->dpm_entry_num = dpm_idx;
1227 /* FIXME Why not mt_entry too? */
1228 et_entry->init_complete = 1;
1229 } else if ((ioc_pg8_flags &
1230 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1231 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
1232 map_idx = _mapping_get_mt_idx_from_id
1233 (sc, phy_change->physical_id);
1234 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
1235 search_idx = sc->num_rsvd_entries;
1236 if (topo_change->exp_handle)
1237 search_idx += max_num_phy_ids;
1238 map_idx = _mapping_get_free_mt_idx(sc,
1241 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
1242 map_idx = _mapping_get_high_missing_mt_idx(sc);
1243 if (map_idx != MPS_MAPTABLE_BAD_IDX) {
1244 mt_entry = &sc->mapping_table[map_idx];
1245 if (mt_entry->dev_handle) {
1246 _mapping_add_to_removal_table
1247 (sc, mt_entry->dev_handle,
1251 mt_entry->init_complete = 0;
1254 if (map_idx != MPS_MAPTABLE_BAD_IDX) {
1255 mt_entry = &sc->mapping_table[map_idx];
1256 mt_entry->physical_id = phy_change->physical_id;
1257 mt_entry->channel = 0;
1258 mt_entry->id = map_idx;
1259 mt_entry->dev_handle = phy_change->dev_handle;
1260 mt_entry->missing_count = 0;
1261 mt_entry->device_info = phy_change->device_info
1262 | (MPS_DEV_RESERVED | MPS_MAP_IN_USE);
1264 phy_change->is_processed = 1;
1265 if (!sc->mt_full_retry) {
1266 sc->mt_add_device_failed = 1;
1269 kprintf("%s: failed to add the device with "
1270 "handle 0x%04x because there is no free "
1271 "space available in the mapping table\n",
1272 __func__, phy_change->dev_handle);
1275 if (sc->is_dpm_enable) {
1276 if (mt_entry->dpm_entry_num !=
1278 dpm_idx = mt_entry->dpm_entry_num;
1279 dpm_entry = (Mpi2DriverMap0Entry_t *)
1280 ((u8 *)sc->dpm_pg0 + hdr_sz);
1281 dpm_entry += dpm_idx;
1282 missing_cnt = dpm_entry->
1283 MappingInformation &
1284 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
1285 temp64_var = dpm_entry->
1286 PhysicalIdentifier.High;
1287 temp64_var = (temp64_var << 32) |
1288 dpm_entry->PhysicalIdentifier.Low;
1289 if ((mt_entry->physical_id ==
1290 temp64_var) && !missing_cnt)
1291 mt_entry->init_complete = 1;
1293 dpm_idx = _mapping_get_free_dpm_idx(sc);
1294 mt_entry->init_complete = 0;
1296 if (dpm_idx != MPS_DPM_BAD_IDX &&
1297 !mt_entry->init_complete) {
1298 mt_entry->init_complete = 1;
1299 mt_entry->dpm_entry_num = dpm_idx;
1300 dpm_entry = (Mpi2DriverMap0Entry_t *)
1301 ((u8 *)sc->dpm_pg0 + hdr_sz);
1302 dpm_entry += dpm_idx;
1303 dpm_entry->PhysicalIdentifier.Low =
1305 mt_entry->physical_id);
1306 dpm_entry->PhysicalIdentifier.High =
1307 (mt_entry->physical_id >> 32);
1308 dpm_entry->DeviceIndex = (U16) map_idx;
1309 dpm_entry->MappingInformation = 0;
1310 dpm_entry->PhysicalBitsMapping = 0;
1311 sc->dpm_entry_used[dpm_idx] = 1;
1312 sc->dpm_flush_entry[dpm_idx] = 1;
1313 phy_change->is_processed = 1;
1314 } else if (dpm_idx == MPS_DPM_BAD_IDX) {
1315 phy_change->is_processed = 1;
1316 kprintf("%s: failed to add the "
1317 "device with handle 0x%04x "
1318 "to persistent table "
1319 "because there is no free "
1320 "space available\n",
1322 phy_change->dev_handle);
1325 mt_entry->init_complete = 1;
1328 phy_change->is_processed = 1;
1331 _mapping_clear_removed_entries(sc);
1335 * _mapping_flush_dpm_pages -Flush the DPM pages to NVRAM
1336 * @sc: per adapter object
1341 _mapping_flush_dpm_pages(struct mps_softc *sc)
1343 Mpi2DriverMap0Entry_t *dpm_entry;
1344 Mpi2ConfigReply_t mpi_reply;
1345 Mpi2DriverMappingPage0_t config_page;
1348 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) {
1349 if (!sc->dpm_flush_entry[entry_num])
1351 memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t));
1352 memcpy(&config_page.Header, (u8 *)sc->dpm_pg0,
1353 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1354 dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 +
1355 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1356 dpm_entry += entry_num;
1357 dpm_entry->MappingInformation = htole16(dpm_entry->
1358 MappingInformation);
1359 dpm_entry->DeviceIndex = htole16(dpm_entry->DeviceIndex);
1360 dpm_entry->PhysicalBitsMapping = htole32(dpm_entry->
1361 PhysicalBitsMapping);
1362 memcpy(&config_page.Entry, (u8 *)dpm_entry,
1363 sizeof(Mpi2DriverMap0Entry_t));
1364 /* TODO-How to handle failed writes? */
1365 if (mps_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
1367 kprintf("%s: write of dpm entry %d for device failed\n",
1368 __func__, entry_num);
1370 sc->dpm_flush_entry[entry_num] = 0;
1371 dpm_entry->MappingInformation = le16toh(dpm_entry->
1372 MappingInformation);
1373 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
1374 dpm_entry->PhysicalBitsMapping = le32toh(dpm_entry->
1375 PhysicalBitsMapping);
1380 * _mapping_allocate_memory- allocates the memory required for mapping tables
1381 * @sc: per adapter object
1383 * Allocates the memory for all the tables required for host mapping
1385 * Return 0 on success or non-zero on failure.
1388 mps_mapping_allocate_memory(struct mps_softc *sc)
1390 uint32_t dpm_pg0_sz;
1392 sc->mapping_table = kmalloc((sizeof(struct dev_mapping_table) *
1393 sc->max_devices), M_MPT2, M_ZERO|M_INTWAIT);
1394 if (!sc->mapping_table)
1395 goto free_resources;
1397 sc->removal_table = kmalloc((sizeof(struct map_removal_table) *
1398 sc->max_devices), M_MPT2, M_ZERO|M_INTWAIT);
1399 if (!sc->removal_table)
1400 goto free_resources;
1402 sc->enclosure_table = kmalloc((sizeof(struct enc_mapping_table) *
1403 sc->max_enclosures), M_MPT2, M_ZERO|M_INTWAIT);
1404 if (!sc->enclosure_table)
1405 goto free_resources;
1407 sc->dpm_entry_used = kmalloc((sizeof(u8) * sc->max_dpm_entries),
1408 M_MPT2, M_ZERO|M_INTWAIT);
1409 if (!sc->dpm_entry_used)
1410 goto free_resources;
1412 sc->dpm_flush_entry = kmalloc((sizeof(u8) * sc->max_dpm_entries),
1413 M_MPT2, M_ZERO|M_INTWAIT);
1414 if (!sc->dpm_flush_entry)
1415 goto free_resources;
1417 dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) +
1418 (sc->max_dpm_entries * sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY));
1420 sc->dpm_pg0 = kmalloc(dpm_pg0_sz, M_MPT2, M_ZERO|M_INTWAIT);
1422 kprintf("%s: memory alloc failed for dpm page; disabling dpm\n",
1424 sc->is_dpm_enable = 0;
1430 kfree(sc->mapping_table, M_MPT2);
1431 kfree(sc->removal_table, M_MPT2);
1432 kfree(sc->enclosure_table, M_MPT2);
1433 kfree(sc->dpm_entry_used, M_MPT2);
1434 kfree(sc->dpm_flush_entry, M_MPT2);
1435 kfree(sc->dpm_pg0, M_MPT2);
1436 kprintf("%s: device initialization failed due to failure in mapping "
1437 "table memory allocation\n", __func__);
1442 * mps_mapping_free_memory- frees the memory allocated for mapping tables
1443 * @sc: per adapter object
1448 mps_mapping_free_memory(struct mps_softc *sc)
1450 kfree(sc->mapping_table, M_MPT2);
1451 kfree(sc->removal_table, M_MPT2);
1452 kfree(sc->enclosure_table, M_MPT2);
1453 kfree(sc->dpm_entry_used, M_MPT2);
1454 kfree(sc->dpm_flush_entry, M_MPT2);
1455 kfree(sc->dpm_pg0, M_MPT2);
1460 _mapping_process_dpm_pg0(struct mps_softc *sc)
1462 u8 missing_cnt, enc_idx;
1463 u16 slot_id, entry_num, num_slots;
1464 u32 map_idx, dev_idx, start_idx, end_idx;
1465 struct dev_mapping_table *mt_entry;
1466 Mpi2DriverMap0Entry_t *dpm_entry;
1467 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1468 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
1469 struct enc_mapping_table *et_entry;
1473 if (sc->ir_firmware)
1474 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
1476 dpm_entry = (Mpi2DriverMap0Entry_t *) ((uint8_t *) sc->dpm_pg0 +
1477 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1478 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++,
1480 physical_id = dpm_entry->PhysicalIdentifier.High;
1481 physical_id = (physical_id << 32) |
1482 dpm_entry->PhysicalIdentifier.Low;
1484 sc->dpm_entry_used[entry_num] = 0;
1487 sc->dpm_entry_used[entry_num] = 1;
1488 dpm_entry->MappingInformation = le16toh(dpm_entry->
1489 MappingInformation);
1490 missing_cnt = dpm_entry->MappingInformation &
1491 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
1492 dev_idx = le16toh(dpm_entry->DeviceIndex);
1493 phy_bits = le32toh(dpm_entry->PhysicalBitsMapping);
1494 if (sc->ir_firmware && (dev_idx >= start_idx) &&
1495 (dev_idx <= end_idx)) {
1496 mt_entry = &sc->mapping_table[dev_idx];
1497 mt_entry->physical_id = dpm_entry->PhysicalIdentifier.High;
1498 mt_entry->physical_id = (mt_entry->physical_id << 32) |
1499 dpm_entry->PhysicalIdentifier.Low;
1500 mt_entry->channel = MPS_RAID_CHANNEL;
1501 mt_entry->id = dev_idx;
1502 mt_entry->missing_count = missing_cnt;
1503 mt_entry->dpm_entry_num = entry_num;
1504 mt_entry->device_info = MPS_DEV_RESERVED;
1507 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1508 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1509 if (dev_idx < (sc->num_rsvd_entries +
1513 MPI2_IOCPAGE8_FLAGS_DA_START_SLOT_1)
1515 num_slots = max_num_phy_ids;
1518 num_slots = dpm_entry->MappingInformation &
1519 MPI2_DRVMAP0_MAPINFO_SLOT_MASK;
1520 num_slots >>= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
1522 enc_idx = sc->num_enc_table_entries;
1523 if (enc_idx >= sc->max_enclosures) {
1524 kprintf("%s: enclosure entries exceed max "
1525 "enclosures of %d\n", __func__,
1526 sc->max_enclosures);
1529 sc->num_enc_table_entries++;
1530 et_entry = &sc->enclosure_table[enc_idx];
1531 physical_id = dpm_entry->PhysicalIdentifier.High;
1532 et_entry->enclosure_id = (physical_id << 32) |
1533 dpm_entry->PhysicalIdentifier.Low;
1534 et_entry->start_index = dev_idx;
1535 et_entry->dpm_entry_num = entry_num;
1536 et_entry->num_slots = num_slots;
1537 et_entry->start_slot = slot_id;
1538 et_entry->missing_count = missing_cnt;
1539 et_entry->phy_bits = phy_bits;
1541 mt_entry = &sc->mapping_table[dev_idx];
1542 for (map_idx = dev_idx; map_idx < (dev_idx + num_slots);
1543 map_idx++, mt_entry++) {
1544 if (mt_entry->dpm_entry_num !=
1546 kprintf("%s: conflict in mapping table "
1547 "for enclosure %d\n", __func__,
1551 physical_id = dpm_entry->PhysicalIdentifier.High;
1552 mt_entry->physical_id = (physical_id << 32) |
1553 dpm_entry->PhysicalIdentifier.Low;
1554 mt_entry->phy_bits = phy_bits;
1555 mt_entry->channel = 0;
1556 mt_entry->id = dev_idx;
1557 mt_entry->dpm_entry_num = entry_num;
1558 mt_entry->missing_count = missing_cnt;
1559 mt_entry->device_info = MPS_DEV_RESERVED;
1561 } else if ((ioc_pg8_flags &
1562 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1563 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
1565 mt_entry = &sc->mapping_table[map_idx];
1566 if (mt_entry->dpm_entry_num != MPS_DPM_BAD_IDX) {
1567 kprintf("%s: conflict in mapping table for "
1568 "device %d\n", __func__, map_idx);
1571 physical_id = dpm_entry->PhysicalIdentifier.High;
1572 mt_entry->physical_id = (physical_id << 32) |
1573 dpm_entry->PhysicalIdentifier.Low;
1574 mt_entry->phy_bits = phy_bits;
1575 mt_entry->channel = 0;
1576 mt_entry->id = dev_idx;
1577 mt_entry->missing_count = missing_cnt;
1578 mt_entry->dpm_entry_num = entry_num;
1579 mt_entry->device_info = MPS_DEV_RESERVED;
1581 } /*close the loop for DPM table */
1585 * mps_mapping_check_devices - start of the day check for device availabilty
1586 * @sc: per adapter object
1587 * @sleep_flag: Flag indicating whether this function can sleep or not
1592 mps_mapping_check_devices(struct mps_softc *sc, int sleep_flag)
1597 struct dev_mapping_table *mt_entry;
1598 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1599 struct enc_mapping_table *et_entry;
1600 u32 start_idx, end_idx;
1602 /* We need to ucomment this when this function is called
1603 * from the port enable complete */
1605 sc->track_mapping_events = 0;
1606 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
1608 if (!sc->pending_map_events)
1610 if (sleep_flag == CAN_SLEEP)
1611 pause("mps_pause", (hz/1000));/* 1msec sleep */
1613 DELAY(500); /* 500 useconds delay */
1618 kprintf("%s: there are %d"
1619 " pending events after %d seconds of delay\n",
1620 __func__, sc->pending_map_events, timeout);
1622 sc->pending_map_events = 0;
1624 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1625 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1626 et_entry = sc->enclosure_table;
1627 for (i = 0; i < sc->num_enc_table_entries; i++, et_entry++) {
1628 if (!et_entry->init_complete) {
1629 if (et_entry->missing_count <
1630 MPS_MAX_MISSING_COUNT) {
1631 et_entry->missing_count++;
1632 if (et_entry->dpm_entry_num !=
1634 _mapping_commit_enc_entry(sc,
1637 et_entry->init_complete = 1;
1640 if (!sc->ir_firmware)
1642 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
1643 mt_entry = &sc->mapping_table[start_idx];
1644 for (i = start_idx; i < (end_idx + 1); i++, mt_entry++) {
1645 if (mt_entry->device_info & MPS_DEV_RESERVED
1646 && !mt_entry->physical_id)
1647 mt_entry->init_complete = 1;
1648 else if (mt_entry->device_info & MPS_DEV_RESERVED) {
1649 if (!mt_entry->init_complete) {
1650 if (mt_entry->missing_count <
1651 MPS_MAX_MISSING_COUNT) {
1652 mt_entry->missing_count++;
1653 if (mt_entry->dpm_entry_num !=
1655 _mapping_commit_map_entry(sc,
1658 mt_entry->init_complete = 1;
1662 } else if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1663 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
1664 mt_entry = sc->mapping_table;
1665 for (i = 0; i < sc->max_devices; i++, mt_entry++) {
1666 if (mt_entry->device_info & MPS_DEV_RESERVED
1667 && !mt_entry->physical_id)
1668 mt_entry->init_complete = 1;
1669 else if (mt_entry->device_info & MPS_DEV_RESERVED) {
1670 if (!mt_entry->init_complete) {
1671 if (mt_entry->missing_count <
1672 MPS_MAX_MISSING_COUNT) {
1673 mt_entry->missing_count++;
1674 if (mt_entry->dpm_entry_num !=
1676 _mapping_commit_map_entry(sc,
1679 mt_entry->init_complete = 1;
1688 * mps_mapping_is_reinit_required - check whether event replay required
1689 * @sc: per adapter object
1691 * Checks the per ioc flags and decide whether reinit of events required
1693 * Returns 1 for reinit of ioc 0 for not.
1695 int mps_mapping_is_reinit_required(struct mps_softc *sc)
1697 if (!sc->mt_full_retry && sc->mt_add_device_failed) {
1698 sc->mt_full_retry = 1;
1699 sc->mt_add_device_failed = 0;
1700 _mapping_flush_dpm_pages(sc);
1703 sc->mt_full_retry = 1;
1708 * mps_mapping_initialize - initialize mapping tables
1709 * @sc: per adapter object
1711 * Read controller persitant mapping tables into internal data area.
1713 * Return 0 for success or non-zero for failure.
1716 mps_mapping_initialize(struct mps_softc *sc)
1718 uint16_t volume_mapping_flags, dpm_pg0_sz;
1720 Mpi2ConfigReply_t mpi_reply;
1722 uint8_t retry_count;
1723 uint16_t ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1725 /* The additional 1 accounts for the virtual enclosure
1726 * created for the controller
1728 sc->max_enclosures = sc->facts->MaxEnclosures + 1;
1729 sc->max_expanders = sc->facts->MaxSasExpanders;
1730 sc->max_volumes = sc->facts->MaxVolumes;
1731 sc->max_devices = sc->facts->MaxTargets + sc->max_volumes;
1732 sc->pending_map_events = 0;
1733 sc->num_enc_table_entries = 0;
1734 sc->num_rsvd_entries = 0;
1735 sc->num_channels = 1;
1736 sc->max_dpm_entries = sc->ioc_pg8.MaxPersistentEntries;
1737 sc->is_dpm_enable = (sc->max_dpm_entries) ? 1 : 0;
1738 sc->track_mapping_events = 0;
1740 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_DISABLE_PERSISTENT_MAPPING)
1741 sc->is_dpm_enable = 0;
1743 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
1744 sc->num_rsvd_entries = 1;
1746 volume_mapping_flags = sc->ioc_pg8.IRVolumeMappingFlags &
1747 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
1748 if (sc->ir_firmware && (volume_mapping_flags ==
1749 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING))
1750 sc->num_rsvd_entries += sc->max_volumes;
1752 error = mps_mapping_allocate_memory(sc);
1756 for (i = 0; i < sc->max_devices; i++)
1757 _mapping_clear_map_entry(sc->mapping_table + i);
1759 for (i = 0; i < sc->max_enclosures; i++)
1760 _mapping_clear_enc_entry(sc->enclosure_table + i);
1762 for (i = 0; i < sc->max_devices; i++) {
1763 sc->removal_table[i].dev_handle = 0;
1764 sc->removal_table[i].dpm_entry_num = MPS_DPM_BAD_IDX;
1767 memset(sc->dpm_entry_used, 0, sc->max_dpm_entries);
1768 memset(sc->dpm_flush_entry, 0, sc->max_dpm_entries);
1770 if (sc->is_dpm_enable) {
1771 dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) +
1772 (sc->max_dpm_entries *
1773 sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY));
1777 if (mps_config_get_dpm_pg0(sc, &mpi_reply, sc->dpm_pg0,
1779 kprintf("%s: dpm page read failed; disabling dpm\n",
1781 if (retry_count < 3) {
1783 goto retry_read_dpm;
1785 sc->is_dpm_enable = 0;
1789 if (sc->is_dpm_enable)
1790 _mapping_process_dpm_pg0(sc);
1792 sc->track_mapping_events = 1;
1797 * mps_mapping_exit - clear mapping table and associated memory
1798 * @sc: per adapter object
1803 mps_mapping_exit(struct mps_softc *sc)
1805 _mapping_flush_dpm_pages(sc);
1806 mps_mapping_free_memory(sc);
1810 * mps_mapping_get_sas_id - assign a target id for sas device
1811 * @sc: per adapter object
1812 * @sas_address: sas address of the device
1813 * @handle: device handle
1815 * Returns valid ID on success or BAD_ID.
1818 mps_mapping_get_sas_id(struct mps_softc *sc, uint64_t sas_address, u16 handle)
1821 struct dev_mapping_table *mt_entry;
1823 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
1824 mt_entry = &sc->mapping_table[map_idx];
1825 if (mt_entry->dev_handle == handle && mt_entry->physical_id ==
1827 return mt_entry->id;
1830 return MPS_MAP_BAD_ID;
1834 * mps_mapping_get_sas_id_from_handle - find a target id in mapping table using
1835 * only the dev handle. This is just a wrapper function for the local function
1836 * _mapping_get_mt_idx_from_handle.
1837 * @sc: per adapter object
1838 * @handle: device handle
1840 * Returns valid ID on success or BAD_ID.
1843 mps_mapping_get_sas_id_from_handle(struct mps_softc *sc, u16 handle)
1845 return (_mapping_get_mt_idx_from_handle(sc, handle));
1849 * mps_mapping_get_raid_id - assign a target id for raid device
1850 * @sc: per adapter object
1851 * @wwid: world wide identifier for raid volume
1852 * @handle: device handle
1854 * Returns valid ID on success or BAD_ID.
1857 mps_mapping_get_raid_id(struct mps_softc *sc, u64 wwid, u16 handle)
1860 struct dev_mapping_table *mt_entry;
1862 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
1863 mt_entry = &sc->mapping_table[map_idx];
1864 if (mt_entry->dev_handle == handle && mt_entry->physical_id ==
1866 return mt_entry->id;
1869 return MPS_MAP_BAD_ID;
1873 * mps_mapping_get_raid_id_from_handle - find raid device in mapping table
1874 * using only the volume dev handle. This is just a wrapper function for the
1875 * local function _mapping_get_ir_mt_idx_from_handle.
1876 * @sc: per adapter object
1877 * @volHandle: volume device handle
1879 * Returns valid ID on success or BAD_ID.
1882 mps_mapping_get_raid_id_from_handle(struct mps_softc *sc, u16 volHandle)
1884 return (_mapping_get_ir_mt_idx_from_handle(sc, volHandle));
1888 * mps_mapping_enclosure_dev_status_change_event - handle enclosure events
1889 * @sc: per adapter object
1890 * @event_data: event data payload
1895 mps_mapping_enclosure_dev_status_change_event(struct mps_softc *sc,
1896 Mpi2EventDataSasEnclDevStatusChange_t *event_data)
1898 u8 enc_idx, missing_count;
1899 struct enc_mapping_table *et_entry;
1900 Mpi2DriverMap0Entry_t *dpm_entry;
1901 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1902 u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
1903 u8 update_phy_bits = 0;
1905 uint64_t temp64_var;
1907 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) !=
1908 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING)
1911 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
1912 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1914 if (event_data->ReasonCode == MPI2_EVENT_SAS_ENCL_RC_ADDED) {
1915 if (!event_data->NumSlots) {
1916 kprintf("%s: enclosure with handle = 0x%x reported 0 "
1917 "slots\n", __func__,
1918 le16toh(event_data->EnclosureHandle));
1921 temp64_var = event_data->EnclosureLogicalID.High;
1922 temp64_var = (temp64_var << 32) |
1923 event_data->EnclosureLogicalID.Low;
1924 enc_idx = _mapping_get_enc_idx_from_id(sc, temp64_var,
1925 event_data->PhyBits);
1926 if (enc_idx != MPS_ENCTABLE_BAD_IDX) {
1927 et_entry = &sc->enclosure_table[enc_idx];
1928 if (et_entry->init_complete &&
1929 !et_entry->missing_count) {
1930 kprintf("%s: enclosure %d is already present "
1931 "with handle = 0x%x\n",__func__, enc_idx,
1932 et_entry->enc_handle);
1935 et_entry->enc_handle = le16toh(event_data->
1937 et_entry->start_slot = le16toh(event_data->StartSlot);
1938 saved_phy_bits = et_entry->phy_bits;
1939 et_entry->phy_bits |= le32toh(event_data->PhyBits);
1940 if (saved_phy_bits != et_entry->phy_bits)
1941 update_phy_bits = 1;
1942 if (et_entry->missing_count || update_phy_bits) {
1943 et_entry->missing_count = 0;
1944 if (sc->is_dpm_enable &&
1945 et_entry->dpm_entry_num !=
1947 dpm_entry += et_entry->dpm_entry_num;
1949 (u8)(dpm_entry->MappingInformation &
1950 MPI2_DRVMAP0_MAPINFO_MISSING_MASK);
1951 if (!et_entry->init_complete && (
1952 missing_count || update_phy_bits)) {
1953 dpm_entry->MappingInformation
1954 = et_entry->num_slots;
1955 dpm_entry->MappingInformation
1957 dpm_entry->PhysicalBitsMapping
1958 = et_entry->phy_bits;
1959 sc->dpm_flush_entry[et_entry->
1965 enc_idx = sc->num_enc_table_entries;
1966 if (enc_idx >= sc->max_enclosures) {
1967 kprintf("%s: enclosure can not be added; "
1968 "mapping table is full\n", __func__);
1971 sc->num_enc_table_entries++;
1972 et_entry = &sc->enclosure_table[enc_idx];
1973 et_entry->enc_handle = le16toh(event_data->
1975 et_entry->enclosure_id = event_data->
1976 EnclosureLogicalID.High;
1977 et_entry->enclosure_id = ( et_entry->enclosure_id <<
1978 32) | event_data->EnclosureLogicalID.Low;
1979 et_entry->start_index = MPS_MAPTABLE_BAD_IDX;
1980 et_entry->dpm_entry_num = MPS_DPM_BAD_IDX;
1981 et_entry->num_slots = le16toh(event_data->NumSlots);
1982 et_entry->start_slot = le16toh(event_data->StartSlot);
1983 et_entry->phy_bits = le32toh(event_data->PhyBits);
1985 et_entry->init_complete = 1;
1986 } else if (event_data->ReasonCode ==
1987 MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING) {
1988 enc_idx = _mapping_get_enc_idx_from_handle(sc,
1989 le16toh(event_data->EnclosureHandle));
1990 if (enc_idx == MPS_ENCTABLE_BAD_IDX) {
1991 kprintf("%s: cannot unmap enclosure %d because it has "
1992 "already been deleted", __func__, enc_idx);
1995 et_entry = &sc->enclosure_table[enc_idx];
1996 if (!et_entry->init_complete) {
1997 if (et_entry->missing_count < MPS_MAX_MISSING_COUNT)
1998 et_entry->missing_count++;
2000 et_entry->init_complete = 1;
2002 if (!et_entry->missing_count)
2003 et_entry->missing_count++;
2004 if (sc->is_dpm_enable && !et_entry->init_complete &&
2005 et_entry->dpm_entry_num != MPS_DPM_BAD_IDX) {
2006 dpm_entry += et_entry->dpm_entry_num;
2007 dpm_entry->MappingInformation = et_entry->num_slots;
2008 dpm_entry->MappingInformation <<= map_shift;
2009 dpm_entry->MappingInformation |=
2010 et_entry->missing_count;
2011 sc->dpm_flush_entry[et_entry->dpm_entry_num] = 1;
2013 et_entry->init_complete = 1;
2017 _mapping_flush_dpm_pages(sc);
2018 if (sc->pending_map_events)
2019 sc->pending_map_events--;
2023 * mps_mapping_topology_change_event - handle topology change events
2024 * @sc: per adapter object
2025 * @event_data: event data payload
2030 mps_mapping_topology_change_event(struct mps_softc *sc,
2031 Mpi2EventDataSasTopologyChangeList_t *event_data)
2033 struct _map_topology_change topo_change;
2034 struct _map_phy_change *phy_change;
2035 Mpi2EventSasTopoPhyEntry_t *event_phy_change;
2038 topo_change.enc_handle = le16toh(event_data->EnclosureHandle);
2039 topo_change.exp_handle = le16toh(event_data->ExpanderDevHandle);
2040 num_entries = event_data->NumEntries;
2041 topo_change.num_entries = num_entries;
2042 topo_change.start_phy_num = event_data->StartPhyNum;
2043 topo_change.num_phys = event_data->NumPhys;
2044 topo_change.exp_status = event_data->ExpStatus;
2045 event_phy_change = event_data->PHY;
2046 topo_change.phy_details = NULL;
2050 phy_change = kmalloc(sizeof(struct _map_phy_change) * num_entries,
2051 M_MPT2, M_INTWAIT|M_ZERO);
2052 topo_change.phy_details = phy_change;
2055 for (i = 0; i < num_entries; i++, event_phy_change++, phy_change++) {
2056 phy_change->dev_handle = le16toh(event_phy_change->
2058 phy_change->reason = event_phy_change->PhyStatus &
2059 MPI2_EVENT_SAS_TOPO_RC_MASK;
2061 _mapping_update_missing_count(sc, &topo_change);
2062 _mapping_get_dev_info(sc, &topo_change);
2063 _mapping_clear_removed_entries(sc);
2064 _mapping_add_new_device(sc, &topo_change);
2067 kfree(topo_change.phy_details, M_MPT2);
2068 _mapping_flush_dpm_pages(sc);
2069 if (sc->pending_map_events)
2070 sc->pending_map_events--;
2074 * _mapping_check_update_ir_mt_idx - Check and update IR map table index
2075 * @sc: per adapter object
2076 * @event_data: event data payload
2077 * @evt_idx: current event index
2078 * @map_idx: current index and the place holder for new map table index
2079 * @wwid_table: world wide name for volumes in the element table
2081 * pass through IR events and find whether any events matches and if so
2082 * tries to find new index if not returns failure
2084 * Returns 0 on success and 1 on failure
2087 _mapping_check_update_ir_mt_idx(struct mps_softc *sc,
2088 Mpi2EventDataIrConfigChangeList_t *event_data, int evt_idx, u32 *map_idx,
2091 struct dev_mapping_table *mt_entry;
2092 u32 st_idx, end_idx, mt_idx = *map_idx;
2094 Mpi2EventIrConfigElement_t *element;
2098 mt_entry = &sc->mapping_table[mt_idx];
2099 _mapping_get_ir_maprange(sc, &st_idx, &end_idx);
2102 for (i = evt_idx + 1; i < event_data->NumElements; i++) {
2103 element = (Mpi2EventIrConfigElement_t *)
2104 &event_data->ConfigElement[i];
2105 element_flags = le16toh(element->ElementFlags);
2106 if ((element_flags &
2107 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK) !=
2108 MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT)
2110 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_ADDED ||
2111 element->ReasonCode ==
2112 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) {
2113 if (mt_entry->physical_id == wwid_table[i]) {
2123 if (mt_idx > end_idx)
2125 mt_entry = &sc->mapping_table[mt_idx];
2126 } while (mt_entry->device_info & MPS_MAP_IN_USE);
2134 * mps_mapping_ir_config_change_event - handle IR config change list events
2135 * @sc: per adapter object
2136 * @event_data: event data payload
2141 mps_mapping_ir_config_change_event(struct mps_softc *sc,
2142 Mpi2EventDataIrConfigChangeList_t *event_data)
2144 Mpi2EventIrConfigElement_t *element;
2148 struct dev_mapping_table *mt_entry;
2150 u8 log_full_error = 0;
2152 wwid_table = kmalloc(sizeof(u64) * event_data->NumElements, M_MPT2,
2153 M_INTWAIT | M_ZERO);
2156 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
2157 flags = le32toh(event_data->Flags);
2158 for (i = 0; i < event_data->NumElements; i++, element++) {
2159 element_flags = le16toh(element->ElementFlags);
2160 if ((element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_ADDED) &&
2161 (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_REMOVED) &&
2162 (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE)
2163 && (element->ReasonCode !=
2164 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED))
2166 if ((element_flags &
2167 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK) ==
2168 MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT) {
2169 mps_config_get_volume_wwid(sc,
2170 le16toh(element->VolDevHandle), &wwid_table[i]);
2171 map_idx = _mapping_get_ir_mt_idx_from_wwid(sc,
2173 if (map_idx != MPS_MAPTABLE_BAD_IDX) {
2174 mt_entry = &sc->mapping_table[map_idx];
2175 mt_entry->device_info |= MPS_MAP_IN_USE;
2179 if (flags == MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
2182 element = (Mpi2EventIrConfigElement_t *)&event_data->
2184 for (i = 0; i < event_data->NumElements; i++, element++) {
2185 if (element->ReasonCode ==
2186 MPI2_EVENT_IR_CHANGE_RC_ADDED ||
2187 element->ReasonCode ==
2188 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) {
2189 map_idx = _mapping_get_ir_mt_idx_from_wwid
2190 (sc, wwid_table[i]);
2191 if (map_idx != MPS_MAPTABLE_BAD_IDX) {
2192 mt_entry = &sc->mapping_table[map_idx];
2193 mt_entry->channel = MPS_RAID_CHANNEL;
2194 mt_entry->id = map_idx;
2195 mt_entry->dev_handle = le16toh
2196 (element->VolDevHandle);
2197 mt_entry->device_info =
2198 MPS_DEV_RESERVED | MPS_MAP_IN_USE;
2199 _mapping_update_ir_missing_cnt(sc,
2200 map_idx, element, wwid_table[i]);
2203 map_idx = _mapping_get_free_ir_mt_idx(sc);
2204 if (map_idx == MPS_MAPTABLE_BAD_IDX)
2206 else if (i < (event_data->NumElements - 1)) {
2208 _mapping_check_update_ir_mt_idx
2209 (sc, event_data, i, &map_idx,
2212 if (log_full_error) {
2213 kprintf("%s: no space to add the RAID "
2214 "volume with handle 0x%04x in "
2215 "mapping table\n", __func__, le16toh
2216 (element->VolDevHandle));
2219 mt_entry = &sc->mapping_table[map_idx];
2220 mt_entry->physical_id = wwid_table[i];
2221 mt_entry->channel = MPS_RAID_CHANNEL;
2222 mt_entry->id = map_idx;
2223 mt_entry->dev_handle = le16toh(element->
2225 mt_entry->device_info = MPS_DEV_RESERVED |
2227 mt_entry->init_complete = 0;
2228 _mapping_update_ir_missing_cnt(sc, map_idx,
2229 element, wwid_table[i]);
2230 } else if (element->ReasonCode ==
2231 MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
2232 map_idx = _mapping_get_ir_mt_idx_from_wwid(sc,
2234 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
2235 kprintf("%s: failed to remove a volume "
2236 "because it has already been "
2237 "removed\n", __func__);
2240 _mapping_update_ir_missing_cnt(sc, map_idx,
2241 element, wwid_table[i]);
2242 } else if (element->ReasonCode ==
2243 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED) {
2244 map_idx = _mapping_get_mt_idx_from_handle(sc,
2245 le16toh(element->VolDevHandle));
2246 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
2247 kprintf("%s: failed to remove volume "
2248 "with handle 0x%04x because it has "
2249 "already been removed\n", __func__,
2250 le16toh(element->VolDevHandle));
2253 mt_entry = &sc->mapping_table[map_idx];
2254 _mapping_update_ir_missing_cnt(sc, map_idx,
2255 element, mt_entry->physical_id);
2261 _mapping_flush_dpm_pages(sc);
2262 kfree(wwid_table, M_MPT2);
2263 if (sc->pending_map_events)
2264 sc->pending_map_events--;