2 * Copyright (c) 2011, 2012 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
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 /* TODO Move headers to mpsvar */
33 #include <sys/types.h>
34 #include <sys/param.h>
36 #include <sys/mutex.h>
37 #include <sys/systm.h>
38 #include <sys/kernel.h>
39 #include <sys/malloc.h>
40 #include <sys/kthread.h>
41 #include <sys/taskqueue.h>
43 #include <sys/endian.h>
44 #include <sys/sysctl.h>
45 #include <sys/eventhandler.h>
47 #include <machine/bus.h>
48 #include <machine/resource.h>
49 #include <dev/mps/mpi/mpi2_type.h>
50 #include <dev/mps/mpi/mpi2.h>
51 #include <dev/mps/mpi/mpi2_ioc.h>
52 #include <dev/mps/mpi/mpi2_sas.h>
53 #include <dev/mps/mpi/mpi2_cnfg.h>
54 #include <dev/mps/mpi/mpi2_init.h>
55 #include <dev/mps/mpi/mpi2_tool.h>
56 #include <dev/mps/mps_ioctl.h>
57 #include <dev/mps/mpsvar.h>
58 #include <dev/mps/mps_mapping.h>
61 * _mapping_clear_entry - Clear a particular mapping entry.
62 * @map_entry: map table entry
67 _mapping_clear_map_entry(struct dev_mapping_table *map_entry)
69 map_entry->physical_id = 0;
70 map_entry->device_info = 0;
71 map_entry->phy_bits = 0;
72 map_entry->dpm_entry_num = MPS_DPM_BAD_IDX;
73 map_entry->dev_handle = 0;
74 map_entry->channel = -1;
76 map_entry->missing_count = 0;
77 map_entry->init_complete = 0;
78 map_entry->TLR_bits = (u8)MPI2_SCSIIO_CONTROL_NO_TLR;
82 * _mapping_clear_enc_entry - Clear a particular enclosure table entry.
83 * @enc_entry: enclosure table entry
88 _mapping_clear_enc_entry(struct enc_mapping_table *enc_entry)
90 enc_entry->enclosure_id = 0;
91 enc_entry->start_index = MPS_MAPTABLE_BAD_IDX;
92 enc_entry->phy_bits = 0;
93 enc_entry->dpm_entry_num = MPS_DPM_BAD_IDX;
94 enc_entry->enc_handle = 0;
95 enc_entry->num_slots = 0;
96 enc_entry->start_slot = 0;
97 enc_entry->missing_count = 0;
98 enc_entry->removal_flag = 0;
99 enc_entry->skip_search = 0;
100 enc_entry->init_complete = 0;
104 * _mapping_commit_enc_entry - write a particular enc entry in DPM page0.
105 * @sc: per adapter object
106 * @enc_entry: enclosure table entry
108 * Returns 0 for success, non-zero for failure.
111 _mapping_commit_enc_entry(struct mps_softc *sc,
112 struct enc_mapping_table *et_entry)
114 Mpi2DriverMap0Entry_t *dpm_entry;
115 struct dev_mapping_table *mt_entry;
116 Mpi2ConfigReply_t mpi_reply;
117 Mpi2DriverMappingPage0_t config_page;
119 if (!sc->is_dpm_enable)
122 memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t));
123 memcpy(&config_page.Header, (u8 *) sc->dpm_pg0,
124 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
125 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
126 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
127 dpm_entry += et_entry->dpm_entry_num;
128 dpm_entry->PhysicalIdentifier.Low =
129 ( 0xFFFFFFFF & et_entry->enclosure_id);
130 dpm_entry->PhysicalIdentifier.High =
131 ( et_entry->enclosure_id >> 32);
132 mt_entry = &sc->mapping_table[et_entry->start_index];
133 dpm_entry->DeviceIndex = htole16(mt_entry->id);
134 dpm_entry->MappingInformation = et_entry->num_slots;
135 dpm_entry->MappingInformation <<= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
136 dpm_entry->MappingInformation |= et_entry->missing_count;
137 dpm_entry->MappingInformation = htole16(dpm_entry->MappingInformation);
138 dpm_entry->PhysicalBitsMapping = htole32(et_entry->phy_bits);
139 dpm_entry->Reserved1 = 0;
141 memcpy(&config_page.Entry, (u8 *)dpm_entry,
142 sizeof(Mpi2DriverMap0Entry_t));
143 if (mps_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
144 et_entry->dpm_entry_num)) {
145 printf("%s: write of dpm entry %d for enclosure failed\n",
146 __func__, et_entry->dpm_entry_num);
147 dpm_entry->MappingInformation = le16toh(dpm_entry->
149 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
150 dpm_entry->PhysicalBitsMapping =
151 le32toh(dpm_entry->PhysicalBitsMapping);
154 dpm_entry->MappingInformation = le16toh(dpm_entry->
156 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
157 dpm_entry->PhysicalBitsMapping =
158 le32toh(dpm_entry->PhysicalBitsMapping);
163 * _mapping_commit_map_entry - write a particular map table entry in DPM page0.
164 * @sc: per adapter object
165 * @enc_entry: enclosure table entry
167 * Returns 0 for success, non-zero for failure.
171 _mapping_commit_map_entry(struct mps_softc *sc,
172 struct dev_mapping_table *mt_entry)
174 Mpi2DriverMap0Entry_t *dpm_entry;
175 Mpi2ConfigReply_t mpi_reply;
176 Mpi2DriverMappingPage0_t config_page;
178 if (!sc->is_dpm_enable)
181 memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t));
182 memcpy(&config_page.Header, (u8 *)sc->dpm_pg0,
183 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
184 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *) sc->dpm_pg0 +
185 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
186 dpm_entry = dpm_entry + mt_entry->dpm_entry_num;
187 dpm_entry->PhysicalIdentifier.Low = (0xFFFFFFFF &
188 mt_entry->physical_id);
189 dpm_entry->PhysicalIdentifier.High = (mt_entry->physical_id >> 32);
190 dpm_entry->DeviceIndex = htole16(mt_entry->id);
191 dpm_entry->MappingInformation = htole16(mt_entry->missing_count);
192 dpm_entry->PhysicalBitsMapping = 0;
193 dpm_entry->Reserved1 = 0;
194 dpm_entry->MappingInformation = htole16(dpm_entry->MappingInformation);
195 memcpy(&config_page.Entry, (u8 *)dpm_entry,
196 sizeof(Mpi2DriverMap0Entry_t));
197 if (mps_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
198 mt_entry->dpm_entry_num)) {
199 printf("%s: write of dpm entry %d for device failed\n",
200 __func__, mt_entry->dpm_entry_num);
201 dpm_entry->MappingInformation = le16toh(dpm_entry->
203 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
207 dpm_entry->MappingInformation = le16toh(dpm_entry->MappingInformation);
208 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
213 * _mapping_get_ir_maprange - get start and end index for IR map range.
214 * @sc: per adapter object
215 * @start_idx: place holder for start index
216 * @end_idx: place holder for end index
218 * The IR volumes can be mapped either at start or end of the mapping table
219 * this function gets the detail of where IR volume mapping starts and ends
220 * in the device mapping table
225 _mapping_get_ir_maprange(struct mps_softc *sc, u32 *start_idx, u32 *end_idx)
227 u16 volume_mapping_flags;
228 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
230 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
231 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
232 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
234 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
237 *start_idx = sc->max_devices - sc->max_volumes;
238 *end_idx = *start_idx + sc->max_volumes - 1;
242 * _mapping_get_enc_idx_from_id - get enclosure index from enclosure ID
243 * @sc: per adapter object
244 * @enc_id: enclosure logical identifier
246 * Returns the index of enclosure entry on success or bad index.
249 _mapping_get_enc_idx_from_id(struct mps_softc *sc, u64 enc_id,
252 struct enc_mapping_table *et_entry;
255 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) {
256 et_entry = &sc->enclosure_table[enc_idx];
257 if ((et_entry->enclosure_id == le64toh(enc_id)) &&
258 (!et_entry->phy_bits || (et_entry->phy_bits &
262 return MPS_ENCTABLE_BAD_IDX;
266 * _mapping_get_enc_idx_from_handle - get enclosure index from handle
267 * @sc: per adapter object
268 * @enc_id: enclosure handle
270 * Returns the index of enclosure entry on success or bad index.
273 _mapping_get_enc_idx_from_handle(struct mps_softc *sc, u16 handle)
275 struct enc_mapping_table *et_entry;
278 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) {
279 et_entry = &sc->enclosure_table[enc_idx];
280 if (et_entry->missing_count)
282 if (et_entry->enc_handle == handle)
285 return MPS_ENCTABLE_BAD_IDX;
289 * _mapping_get_high_missing_et_idx - get missing enclosure index
290 * @sc: per adapter object
292 * Search through the enclosure table and identifies the enclosure entry
293 * with high missing count and returns it's index
295 * Returns the index of enclosure entry on success or bad index.
298 _mapping_get_high_missing_et_idx(struct mps_softc *sc)
300 struct enc_mapping_table *et_entry;
301 u8 high_missing_count = 0;
302 u8 enc_idx, high_idx = MPS_ENCTABLE_BAD_IDX;
304 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) {
305 et_entry = &sc->enclosure_table[enc_idx];
306 if ((et_entry->missing_count > high_missing_count) &&
307 !et_entry->skip_search) {
308 high_missing_count = et_entry->missing_count;
316 * _mapping_get_high_missing_mt_idx - get missing map table index
317 * @sc: per adapter object
319 * Search through the map table and identifies the device entry
320 * with high missing count and returns it's index
322 * Returns the index of map table entry on success or bad index.
325 _mapping_get_high_missing_mt_idx(struct mps_softc *sc)
327 u32 map_idx, high_idx = MPS_ENCTABLE_BAD_IDX;
328 u8 high_missing_count = 0;
329 u32 start_idx, end_idx, start_idx_ir, end_idx_ir;
330 struct dev_mapping_table *mt_entry;
331 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
336 end_idx = sc->max_devices;
337 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
339 if (sc->ir_firmware) {
340 _mapping_get_ir_maprange(sc, &start_idx_ir, &end_idx_ir);
341 if (start_idx == start_idx_ir)
342 start_idx = end_idx_ir + 1;
344 end_idx = start_idx_ir;
346 mt_entry = &sc->mapping_table[start_idx];
347 for (map_idx = start_idx; map_idx < end_idx; map_idx++, mt_entry++) {
348 if (mt_entry->missing_count > high_missing_count) {
349 high_missing_count = mt_entry->missing_count;
357 * _mapping_get_ir_mt_idx_from_wwid - get map table index from volume WWID
358 * @sc: per adapter object
359 * @wwid: world wide unique ID of the volume
361 * Returns the index of map table entry on success or bad index.
364 _mapping_get_ir_mt_idx_from_wwid(struct mps_softc *sc, u64 wwid)
366 u32 start_idx, end_idx, map_idx;
367 struct dev_mapping_table *mt_entry;
369 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
370 mt_entry = &sc->mapping_table[start_idx];
371 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)
372 if (mt_entry->physical_id == wwid)
375 return MPS_MAPTABLE_BAD_IDX;
379 * _mapping_get_mt_idx_from_id - get map table index from a device ID
380 * @sc: per adapter object
381 * @dev_id: device identifer (SAS Address)
383 * Returns the index of map table entry on success or bad index.
386 _mapping_get_mt_idx_from_id(struct mps_softc *sc, u64 dev_id)
389 struct dev_mapping_table *mt_entry;
391 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
392 mt_entry = &sc->mapping_table[map_idx];
393 if (mt_entry->physical_id == dev_id)
396 return MPS_MAPTABLE_BAD_IDX;
400 * _mapping_get_ir_mt_idx_from_handle - get map table index from volume handle
401 * @sc: per adapter object
402 * @wwid: volume device handle
404 * Returns the index of map table entry on success or bad index.
407 _mapping_get_ir_mt_idx_from_handle(struct mps_softc *sc, u16 volHandle)
409 u32 start_idx, end_idx, map_idx;
410 struct dev_mapping_table *mt_entry;
412 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
413 mt_entry = &sc->mapping_table[start_idx];
414 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)
415 if (mt_entry->dev_handle == volHandle)
418 return MPS_MAPTABLE_BAD_IDX;
422 * _mapping_get_mt_idx_from_handle - get map table index from handle
423 * @sc: per adapter object
424 * @dev_id: device handle
426 * Returns the index of map table entry on success or bad index.
429 _mapping_get_mt_idx_from_handle(struct mps_softc *sc, u16 handle)
432 struct dev_mapping_table *mt_entry;
434 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
435 mt_entry = &sc->mapping_table[map_idx];
436 if (mt_entry->dev_handle == handle)
439 return MPS_MAPTABLE_BAD_IDX;
443 * _mapping_get_free_ir_mt_idx - get first free index for a volume
444 * @sc: per adapter object
446 * Search through mapping table for free index for a volume and if no free
447 * index then looks for a volume with high mapping index
449 * Returns the index of map table entry on success or bad index.
452 _mapping_get_free_ir_mt_idx(struct mps_softc *sc)
454 u8 high_missing_count = 0;
455 u32 start_idx, end_idx, map_idx;
456 u32 high_idx = MPS_MAPTABLE_BAD_IDX;
457 struct dev_mapping_table *mt_entry;
459 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
461 mt_entry = &sc->mapping_table[start_idx];
462 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)
463 if (!(mt_entry->device_info & MPS_MAP_IN_USE))
466 mt_entry = &sc->mapping_table[start_idx];
467 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) {
468 if (mt_entry->missing_count > high_missing_count) {
469 high_missing_count = mt_entry->missing_count;
477 * _mapping_get_free_mt_idx - get first free index for a device
478 * @sc: per adapter object
479 * @start_idx: offset in the table to start search
481 * Returns the index of map table entry on success or bad index.
484 _mapping_get_free_mt_idx(struct mps_softc *sc, u32 start_idx)
486 u32 map_idx, max_idx = sc->max_devices;
487 struct dev_mapping_table *mt_entry = &sc->mapping_table[start_idx];
488 u16 volume_mapping_flags;
490 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
491 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
492 if (sc->ir_firmware && (volume_mapping_flags ==
493 MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING))
494 max_idx -= sc->max_volumes;
495 for (map_idx = start_idx; map_idx < max_idx; map_idx++, mt_entry++)
496 if (!(mt_entry->device_info & (MPS_MAP_IN_USE |
500 return MPS_MAPTABLE_BAD_IDX;
504 * _mapping_get_dpm_idx_from_id - get DPM index from ID
505 * @sc: per adapter object
506 * @id: volume WWID or enclosure ID or device ID
508 * Returns the index of DPM entry on success or bad index.
511 _mapping_get_dpm_idx_from_id(struct mps_softc *sc, u64 id, u32 phy_bits)
514 uint64_t PhysicalIdentifier;
515 Mpi2DriverMap0Entry_t *dpm_entry;
517 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
518 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
519 PhysicalIdentifier = dpm_entry->PhysicalIdentifier.High;
520 PhysicalIdentifier = (PhysicalIdentifier << 32) |
521 dpm_entry->PhysicalIdentifier.Low;
522 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++,
524 if ((id == PhysicalIdentifier) &&
525 (!phy_bits || !dpm_entry->PhysicalBitsMapping ||
526 (phy_bits & dpm_entry->PhysicalBitsMapping)))
529 return MPS_DPM_BAD_IDX;
534 * _mapping_get_free_dpm_idx - get first available DPM index
535 * @sc: per adapter object
537 * Returns the index of DPM entry on success or bad index.
540 _mapping_get_free_dpm_idx(struct mps_softc *sc)
544 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) {
545 if (!sc->dpm_entry_used[entry_num])
548 return MPS_DPM_BAD_IDX;
552 * _mapping_update_ir_missing_cnt - Updates missing count for a volume
553 * @sc: per adapter object
554 * @map_idx: map table index of the volume
555 * @element: IR configuration change element
556 * @wwid: IR volume ID.
558 * Updates the missing count in the map table and in the DPM entry for a volume
563 _mapping_update_ir_missing_cnt(struct mps_softc *sc, u32 map_idx,
564 Mpi2EventIrConfigElement_t *element, u64 wwid)
566 struct dev_mapping_table *mt_entry;
567 u8 missing_cnt, reason = element->ReasonCode;
569 Mpi2DriverMap0Entry_t *dpm_entry;
571 if (!sc->is_dpm_enable)
573 mt_entry = &sc->mapping_table[map_idx];
574 if (reason == MPI2_EVENT_IR_CHANGE_RC_ADDED) {
575 mt_entry->missing_count = 0;
576 } else if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) {
577 mt_entry->missing_count = 0;
578 mt_entry->init_complete = 0;
579 } else if ((reason == MPI2_EVENT_IR_CHANGE_RC_REMOVED) ||
580 (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED)) {
581 if (!mt_entry->init_complete) {
582 if (mt_entry->missing_count < MPS_MAX_MISSING_COUNT)
583 mt_entry->missing_count++;
585 mt_entry->init_complete = 1;
587 if (!mt_entry->missing_count)
588 mt_entry->missing_count++;
589 mt_entry->dev_handle = 0;
592 dpm_idx = mt_entry->dpm_entry_num;
593 if (dpm_idx == MPS_DPM_BAD_IDX) {
594 if ((reason == MPI2_EVENT_IR_CHANGE_RC_ADDED) ||
595 (reason == MPI2_EVENT_IR_CHANGE_RC_REMOVED))
596 dpm_idx = _mapping_get_dpm_idx_from_id(sc,
597 mt_entry->physical_id, 0);
598 else if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED)
601 if (dpm_idx != MPS_DPM_BAD_IDX) {
602 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
603 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
604 dpm_entry += dpm_idx;
605 missing_cnt = dpm_entry->MappingInformation &
606 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
607 if ((mt_entry->physical_id ==
608 le64toh((u64)dpm_entry->PhysicalIdentifier.High |
609 dpm_entry->PhysicalIdentifier.Low)) && (missing_cnt ==
610 mt_entry->missing_count))
611 mt_entry->init_complete = 1;
613 dpm_idx = _mapping_get_free_dpm_idx(sc);
614 mt_entry->init_complete = 0;
617 if ((dpm_idx != MPS_DPM_BAD_IDX) && !mt_entry->init_complete) {
618 mt_entry->init_complete = 1;
619 mt_entry->dpm_entry_num = dpm_idx;
620 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
621 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
622 dpm_entry += dpm_idx;
623 dpm_entry->PhysicalIdentifier.Low =
624 (0xFFFFFFFF & mt_entry->physical_id);
625 dpm_entry->PhysicalIdentifier.High =
626 (mt_entry->physical_id >> 32);
627 dpm_entry->DeviceIndex = map_idx;
628 dpm_entry->MappingInformation = mt_entry->missing_count;
629 dpm_entry->PhysicalBitsMapping = 0;
630 dpm_entry->Reserved1 = 0;
631 sc->dpm_flush_entry[dpm_idx] = 1;
632 sc->dpm_entry_used[dpm_idx] = 1;
633 } else if (dpm_idx == MPS_DPM_BAD_IDX) {
634 printf("%s: no space to add entry in DPM table\n", __func__);
635 mt_entry->init_complete = 1;
640 * _mapping_add_to_removal_table - mark an entry for removal
641 * @sc: per adapter object
642 * @handle: Handle of enclosures/device/volume
644 * Adds the handle or DPM entry number in removal table.
649 _mapping_add_to_removal_table(struct mps_softc *sc, u16 handle,
652 struct map_removal_table *remove_entry;
654 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
656 remove_entry = sc->removal_table;
658 for (i = 0; i < sc->max_devices; i++, remove_entry++) {
659 if (remove_entry->dev_handle || remove_entry->dpm_entry_num !=
662 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
663 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
665 remove_entry->dpm_entry_num = dpm_idx;
666 if (remove_entry->dpm_entry_num == MPS_DPM_BAD_IDX)
667 remove_entry->dev_handle = handle;
668 } else if ((ioc_pg8_flags &
669 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
670 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING)
671 remove_entry->dev_handle = handle;
678 * _mapping_update_missing_count - Update missing count for a device
679 * @sc: per adapter object
680 * @topo_change: Topology change event entry
682 * Search through the topology change list and if any device is found not
683 * responding it's associated map table entry and DPM entry is updated
688 _mapping_update_missing_count(struct mps_softc *sc,
689 struct _map_topology_change *topo_change)
691 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
693 struct _map_phy_change *phy_change;
695 struct dev_mapping_table *mt_entry;
696 Mpi2DriverMap0Entry_t *dpm_entry;
698 for (entry = 0; entry < topo_change->num_entries; entry++) {
699 phy_change = &topo_change->phy_details[entry];
700 if (!phy_change->dev_handle || (phy_change->reason !=
701 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
703 map_idx = _mapping_get_mt_idx_from_handle(sc, phy_change->
705 phy_change->is_processed = 1;
706 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
707 printf("%s: device is already removed from mapping "
708 "table\n", __func__);
711 mt_entry = &sc->mapping_table[map_idx];
712 if (!mt_entry->init_complete) {
713 if (mt_entry->missing_count < MPS_MAX_MISSING_COUNT)
714 mt_entry->missing_count++;
716 mt_entry->init_complete = 1;
718 if (!mt_entry->missing_count)
719 mt_entry->missing_count++;
720 _mapping_add_to_removal_table(sc, mt_entry->dev_handle, 0);
721 mt_entry->dev_handle = 0;
723 if (((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
724 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) &&
725 sc->is_dpm_enable && !mt_entry->init_complete &&
726 mt_entry->dpm_entry_num != MPS_DPM_BAD_IDX) {
728 (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 +
729 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
730 dpm_entry += mt_entry->dpm_entry_num;
731 dpm_entry->MappingInformation = mt_entry->missing_count;
732 sc->dpm_flush_entry[mt_entry->dpm_entry_num] = 1;
734 mt_entry->init_complete = 1;
739 * _mapping_find_enc_map_space -find map table entries for enclosure
740 * @sc: per adapter object
741 * @et_entry: enclosure entry
743 * Search through the mapping table defragment it and provide contiguous
744 * space in map table for a particular enclosure entry
746 * Returns start index in map table or bad index.
749 _mapping_find_enc_map_space(struct mps_softc *sc,
750 struct enc_mapping_table *et_entry)
752 u16 vol_mapping_flags;
753 u32 skip_count, end_of_table, map_idx, enc_idx;
755 u32 start_idx = MPS_MAPTABLE_BAD_IDX;
756 struct dev_mapping_table *mt_entry;
757 struct enc_mapping_table *enc_entry;
758 unsigned char done_flag = 0, found_space;
759 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
761 skip_count = sc->num_rsvd_entries;
764 vol_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
765 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
767 if (!sc->ir_firmware)
768 end_of_table = sc->max_devices;
769 else if (vol_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING)
770 end_of_table = sc->max_devices;
772 end_of_table = sc->max_devices - sc->max_volumes;
774 for (map_idx = (max_num_phy_ids + skip_count);
775 map_idx < end_of_table; map_idx++) {
776 mt_entry = &sc->mapping_table[map_idx];
777 if ((et_entry->enclosure_id == mt_entry->physical_id) &&
778 (!mt_entry->phy_bits || (mt_entry->phy_bits &
779 et_entry->phy_bits))) {
781 if (num_found == et_entry->num_slots) {
782 start_idx = (map_idx - num_found) + 1;
788 for (map_idx = (max_num_phy_ids + skip_count);
789 map_idx < end_of_table; map_idx++) {
790 mt_entry = &sc->mapping_table[map_idx];
791 if (!(mt_entry->device_info & MPS_DEV_RESERVED)) {
793 if (num_found == et_entry->num_slots) {
794 start_idx = (map_idx - num_found) + 1;
802 enc_idx = _mapping_get_high_missing_et_idx(sc);
803 if (enc_idx == MPS_ENCTABLE_BAD_IDX)
804 return MPS_MAPTABLE_BAD_IDX;
805 enc_entry = &sc->enclosure_table[enc_idx];
807 enc_entry->skip_search = 1;
808 mt_entry = &sc->mapping_table[enc_entry->start_index];
809 for (map_idx = enc_entry->start_index; map_idx <
810 (enc_entry->start_index + enc_entry->num_slots); map_idx++,
812 mt_entry->device_info &= ~MPS_DEV_RESERVED;
814 for (map_idx = (max_num_phy_ids +
815 skip_count); map_idx < end_of_table; map_idx++) {
816 mt_entry = &sc->mapping_table[map_idx];
817 if (!(mt_entry->device_info & MPS_DEV_RESERVED)) {
819 if (num_found == et_entry->num_slots) {
820 start_idx = (map_idx - num_found) + 1;
829 for (map_idx = start_idx; map_idx < (start_idx + num_found);
831 enc_entry = sc->enclosure_table;
832 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries;
833 enc_idx++, enc_entry++) {
834 if (map_idx < enc_entry->start_index ||
835 map_idx > (enc_entry->start_index +
836 enc_entry->num_slots))
838 if (!enc_entry->removal_flag) {
839 enc_entry->removal_flag = 1;
840 _mapping_add_to_removal_table(sc, 0,
841 enc_entry->dpm_entry_num);
843 mt_entry = &sc->mapping_table[map_idx];
844 if (mt_entry->device_info &
846 _mapping_add_to_removal_table(sc,
847 mt_entry->dev_handle, 0);
848 _mapping_clear_map_entry(mt_entry);
850 if (map_idx == (enc_entry->start_index +
851 enc_entry->num_slots - 1))
852 _mapping_clear_enc_entry(et_entry);
855 enc_entry = sc->enclosure_table;
856 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries;
857 enc_idx++, enc_entry++) {
858 if (!enc_entry->removal_flag) {
859 mt_entry = &sc->mapping_table[enc_entry->
861 for (map_idx = enc_entry->start_index; map_idx <
862 (enc_entry->start_index +
863 enc_entry->num_slots); map_idx++,
865 mt_entry->device_info |=
867 et_entry->skip_search = 0;
876 * _mapping_get_dev_info -get information about newly added devices
877 * @sc: per adapter object
878 * @topo_change: Topology change event entry
880 * Search through the topology change event list and issues sas device pg0
881 * requests for the newly added device and reserved entries in tables
886 _mapping_get_dev_info(struct mps_softc *sc,
887 struct _map_topology_change *topo_change)
889 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
890 Mpi2ConfigReply_t mpi_reply;
891 Mpi2SasDevicePage0_t sas_device_pg0;
892 u8 entry, enc_idx, phy_idx;
893 u32 map_idx, index, device_info;
894 struct _map_phy_change *phy_change, *tmp_phy_change;
895 uint64_t sas_address;
896 struct enc_mapping_table *et_entry;
897 struct dev_mapping_table *mt_entry;
898 u8 add_code = MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED;
901 for (entry = 0; entry < topo_change->num_entries; entry++) {
902 phy_change = &topo_change->phy_details[entry];
903 if (phy_change->is_processed || !phy_change->dev_handle ||
904 phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED)
906 if (mps_config_get_sas_device_pg0(sc, &mpi_reply,
907 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
908 phy_change->dev_handle)) {
909 phy_change->is_processed = 1;
913 device_info = le32toh(sas_device_pg0.DeviceInfo);
914 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
915 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
916 if ((device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE) &&
917 (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)) {
918 rc = mpssas_get_sas_address_for_sata_disk(sc,
919 &sas_address, phy_change->dev_handle,
922 printf("%s: failed to compute the "
923 "hashed SAS Address for SATA "
924 "device with handle 0x%04x\n",
925 __func__, phy_change->dev_handle);
927 sas_device_pg0.SASAddress.High;
928 sas_address = (sas_address << 32) |
929 sas_device_pg0.SASAddress.Low;
931 mps_dprint(sc, MPS_MAPPING,
932 "SAS Address for SATA device = %jx\n",
936 sas_device_pg0.SASAddress.High;
937 sas_address = (sas_address << 32) |
938 sas_device_pg0.SASAddress.Low;
941 sas_address = sas_device_pg0.SASAddress.High;
942 sas_address = (sas_address << 32) |
943 sas_device_pg0.SASAddress.Low;
945 phy_change->physical_id = sas_address;
946 phy_change->slot = le16toh(sas_device_pg0.Slot);
947 phy_change->device_info =
948 le32toh(sas_device_pg0.DeviceInfo);
950 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
951 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
952 enc_idx = _mapping_get_enc_idx_from_handle(sc,
953 topo_change->enc_handle);
954 if (enc_idx == MPS_ENCTABLE_BAD_IDX) {
955 phy_change->is_processed = 1;
956 printf("%s: failed to add the device with "
957 "handle 0x%04x because the enclosure is "
958 "not in the mapping table\n", __func__,
959 phy_change->dev_handle);
962 if (!((phy_change->device_info &
963 MPI2_SAS_DEVICE_INFO_END_DEVICE) &&
964 (phy_change->device_info &
965 (MPI2_SAS_DEVICE_INFO_SSP_TARGET |
966 MPI2_SAS_DEVICE_INFO_STP_TARGET |
967 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))) {
968 phy_change->is_processed = 1;
971 et_entry = &sc->enclosure_table[enc_idx];
972 if (et_entry->start_index != MPS_MAPTABLE_BAD_IDX)
974 if (!topo_change->exp_handle) {
975 map_idx = sc->num_rsvd_entries;
976 et_entry->start_index = map_idx;
978 map_idx = _mapping_find_enc_map_space(sc,
980 et_entry->start_index = map_idx;
981 if (et_entry->start_index ==
982 MPS_MAPTABLE_BAD_IDX) {
983 phy_change->is_processed = 1;
984 for (phy_idx = 0; phy_idx <
985 topo_change->num_entries;
988 &topo_change->phy_details
990 if (tmp_phy_change->reason ==
998 mt_entry = &sc->mapping_table[map_idx];
999 for (index = map_idx; index < (et_entry->num_slots
1000 + map_idx); index++, mt_entry++) {
1001 mt_entry->device_info = MPS_DEV_RESERVED;
1002 mt_entry->physical_id = et_entry->enclosure_id;
1003 mt_entry->phy_bits = et_entry->phy_bits;
1010 * _mapping_set_mid_to_eid -set map table data from enclosure table
1011 * @sc: per adapter object
1012 * @et_entry: enclosure entry
1017 _mapping_set_mid_to_eid(struct mps_softc *sc,
1018 struct enc_mapping_table *et_entry)
1020 struct dev_mapping_table *mt_entry;
1021 u16 slots = et_entry->num_slots, map_idx;
1022 u32 start_idx = et_entry->start_index;
1023 if (start_idx != MPS_MAPTABLE_BAD_IDX) {
1024 mt_entry = &sc->mapping_table[start_idx];
1025 for (map_idx = 0; map_idx < slots; map_idx++, mt_entry++)
1026 mt_entry->physical_id = et_entry->enclosure_id;
1031 * _mapping_clear_removed_entries - mark the entries to be cleared
1032 * @sc: per adapter object
1034 * Search through the removal table and mark the entries which needs to be
1035 * flushed to DPM and also updates the map table and enclosure table by
1036 * clearing the corresponding entries.
1041 _mapping_clear_removed_entries(struct mps_softc *sc)
1044 struct map_removal_table *remove_entry;
1045 Mpi2DriverMap0Entry_t *dpm_entry;
1046 u8 done_flag = 0, num_entries, m, i;
1047 struct enc_mapping_table *et_entry, *from, *to;
1048 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1050 if (sc->is_dpm_enable) {
1051 remove_entry = sc->removal_table;
1052 for (remove_idx = 0; remove_idx < sc->max_devices;
1053 remove_idx++, remove_entry++) {
1054 if (remove_entry->dpm_entry_num != MPS_DPM_BAD_IDX) {
1055 dpm_entry = (Mpi2DriverMap0Entry_t *)
1056 ((u8 *) sc->dpm_pg0 +
1057 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1058 dpm_entry += remove_entry->dpm_entry_num;
1059 dpm_entry->PhysicalIdentifier.Low = 0;
1060 dpm_entry->PhysicalIdentifier.High = 0;
1061 dpm_entry->DeviceIndex = 0;
1062 dpm_entry->MappingInformation = 0;
1063 dpm_entry->PhysicalBitsMapping = 0;
1064 sc->dpm_flush_entry[remove_entry->
1066 sc->dpm_entry_used[remove_entry->dpm_entry_num]
1068 remove_entry->dpm_entry_num = MPS_DPM_BAD_IDX;
1072 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1073 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1074 num_entries = sc->num_enc_table_entries;
1075 while (!done_flag) {
1077 et_entry = sc->enclosure_table;
1078 for (i = 0; i < num_entries; i++, et_entry++) {
1079 if (!et_entry->enc_handle && et_entry->
1082 if (i != (num_entries - 1)) {
1083 from = &sc->enclosure_table
1085 to = &sc->enclosure_table[i];
1086 for (m = i; m < (num_entries -
1087 1); m++, from++, to++) {
1088 _mapping_set_mid_to_eid
1092 _mapping_clear_enc_entry(to);
1093 sc->num_enc_table_entries--;
1095 sc->num_enc_table_entries;
1097 _mapping_clear_enc_entry
1099 sc->num_enc_table_entries--;
1101 sc->num_enc_table_entries;
1110 * _mapping_add_new_device -Add the new device into mapping table
1111 * @sc: per adapter object
1112 * @topo_change: Topology change event entry
1114 * Search through the topology change event list and updates map table,
1115 * enclosure table and DPM pages for for the newly added devices.
1120 _mapping_add_new_device(struct mps_softc *sc,
1121 struct _map_topology_change *topo_change)
1123 u8 enc_idx, missing_cnt, is_removed = 0;
1125 u32 search_idx, map_idx;
1127 struct dev_mapping_table *mt_entry;
1128 struct enc_mapping_table *et_entry;
1129 struct _map_phy_change *phy_change;
1130 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1131 Mpi2DriverMap0Entry_t *dpm_entry;
1132 uint64_t temp64_var;
1133 u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
1134 u8 hdr_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER);
1135 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
1137 for (entry = 0; entry < topo_change->num_entries; entry++) {
1138 phy_change = &topo_change->phy_details[entry];
1139 if (phy_change->is_processed)
1141 if (phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED ||
1142 !phy_change->dev_handle) {
1143 phy_change->is_processed = 1;
1146 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1147 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1148 enc_idx = _mapping_get_enc_idx_from_handle
1149 (sc, topo_change->enc_handle);
1150 if (enc_idx == MPS_ENCTABLE_BAD_IDX) {
1151 phy_change->is_processed = 1;
1152 printf("%s: failed to add the device with "
1153 "handle 0x%04x because the enclosure is "
1154 "not in the mapping table\n", __func__,
1155 phy_change->dev_handle);
1158 et_entry = &sc->enclosure_table[enc_idx];
1159 if (et_entry->start_index == MPS_MAPTABLE_BAD_IDX) {
1160 phy_change->is_processed = 1;
1161 if (!sc->mt_full_retry) {
1162 sc->mt_add_device_failed = 1;
1165 printf("%s: failed to add the device with "
1166 "handle 0x%04x because there is no free "
1167 "space available in the mapping table\n",
1168 __func__, phy_change->dev_handle);
1171 map_idx = et_entry->start_index + phy_change->slot -
1172 et_entry->start_slot;
1173 mt_entry = &sc->mapping_table[map_idx];
1174 mt_entry->physical_id = phy_change->physical_id;
1175 mt_entry->channel = 0;
1176 mt_entry->id = map_idx;
1177 mt_entry->dev_handle = phy_change->dev_handle;
1178 mt_entry->missing_count = 0;
1179 mt_entry->dpm_entry_num = et_entry->dpm_entry_num;
1180 mt_entry->device_info = phy_change->device_info |
1181 (MPS_DEV_RESERVED | MPS_MAP_IN_USE);
1182 if (sc->is_dpm_enable) {
1183 dpm_idx = et_entry->dpm_entry_num;
1184 if (dpm_idx == MPS_DPM_BAD_IDX)
1185 dpm_idx = _mapping_get_dpm_idx_from_id
1186 (sc, et_entry->enclosure_id,
1187 et_entry->phy_bits);
1188 if (dpm_idx == MPS_DPM_BAD_IDX) {
1189 dpm_idx = _mapping_get_free_dpm_idx(sc);
1190 if (dpm_idx != MPS_DPM_BAD_IDX) {
1192 (Mpi2DriverMap0Entry_t *)
1193 ((u8 *) sc->dpm_pg0 +
1195 dpm_entry += dpm_idx;
1197 PhysicalIdentifier.Low =
1199 et_entry->enclosure_id);
1201 PhysicalIdentifier.High =
1202 ( et_entry->enclosure_id
1204 dpm_entry->DeviceIndex =
1205 (U16)et_entry->start_index;
1206 dpm_entry->MappingInformation =
1207 et_entry->num_slots;
1208 dpm_entry->MappingInformation
1210 dpm_entry->PhysicalBitsMapping
1211 = et_entry->phy_bits;
1212 et_entry->dpm_entry_num =
1214 /* FIXME Do I need to set the dpm_idxin mt_entry too */
1215 sc->dpm_entry_used[dpm_idx] = 1;
1216 sc->dpm_flush_entry[dpm_idx] =
1218 phy_change->is_processed = 1;
1220 phy_change->is_processed = 1;
1221 mps_dprint(sc, MPS_INFO, "%s: "
1222 "failed to add the device "
1223 "with handle 0x%04x to "
1224 "persistent table because "
1225 "there is no free space "
1226 "available\n", __func__,
1227 phy_change->dev_handle);
1230 et_entry->dpm_entry_num = dpm_idx;
1231 mt_entry->dpm_entry_num = dpm_idx;
1234 /* FIXME Why not mt_entry too? */
1235 et_entry->init_complete = 1;
1236 } else if ((ioc_pg8_flags &
1237 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1238 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
1239 map_idx = _mapping_get_mt_idx_from_id
1240 (sc, phy_change->physical_id);
1241 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
1242 search_idx = sc->num_rsvd_entries;
1243 if (topo_change->exp_handle)
1244 search_idx += max_num_phy_ids;
1245 map_idx = _mapping_get_free_mt_idx(sc,
1248 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
1249 map_idx = _mapping_get_high_missing_mt_idx(sc);
1250 if (map_idx != MPS_MAPTABLE_BAD_IDX) {
1251 mt_entry = &sc->mapping_table[map_idx];
1252 if (mt_entry->dev_handle) {
1253 _mapping_add_to_removal_table
1254 (sc, mt_entry->dev_handle,
1258 mt_entry->init_complete = 0;
1261 if (map_idx != MPS_MAPTABLE_BAD_IDX) {
1262 mt_entry = &sc->mapping_table[map_idx];
1263 mt_entry->physical_id = phy_change->physical_id;
1264 mt_entry->channel = 0;
1265 mt_entry->id = map_idx;
1266 mt_entry->dev_handle = phy_change->dev_handle;
1267 mt_entry->missing_count = 0;
1268 mt_entry->device_info = phy_change->device_info
1269 | (MPS_DEV_RESERVED | MPS_MAP_IN_USE);
1271 phy_change->is_processed = 1;
1272 if (!sc->mt_full_retry) {
1273 sc->mt_add_device_failed = 1;
1276 printf("%s: failed to add the device with "
1277 "handle 0x%04x because there is no free "
1278 "space available in the mapping table\n",
1279 __func__, phy_change->dev_handle);
1282 if (sc->is_dpm_enable) {
1283 if (mt_entry->dpm_entry_num !=
1285 dpm_idx = mt_entry->dpm_entry_num;
1286 dpm_entry = (Mpi2DriverMap0Entry_t *)
1287 ((u8 *)sc->dpm_pg0 + hdr_sz);
1288 dpm_entry += dpm_idx;
1289 missing_cnt = dpm_entry->
1290 MappingInformation &
1291 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
1292 temp64_var = dpm_entry->
1293 PhysicalIdentifier.High;
1294 temp64_var = (temp64_var << 32) |
1295 dpm_entry->PhysicalIdentifier.Low;
1296 if ((mt_entry->physical_id ==
1297 temp64_var) && !missing_cnt)
1298 mt_entry->init_complete = 1;
1300 dpm_idx = _mapping_get_free_dpm_idx(sc);
1301 mt_entry->init_complete = 0;
1303 if (dpm_idx != MPS_DPM_BAD_IDX &&
1304 !mt_entry->init_complete) {
1305 mt_entry->init_complete = 1;
1306 mt_entry->dpm_entry_num = dpm_idx;
1307 dpm_entry = (Mpi2DriverMap0Entry_t *)
1308 ((u8 *)sc->dpm_pg0 + hdr_sz);
1309 dpm_entry += dpm_idx;
1310 dpm_entry->PhysicalIdentifier.Low =
1312 mt_entry->physical_id);
1313 dpm_entry->PhysicalIdentifier.High =
1314 (mt_entry->physical_id >> 32);
1315 dpm_entry->DeviceIndex = (U16) map_idx;
1316 dpm_entry->MappingInformation = 0;
1317 dpm_entry->PhysicalBitsMapping = 0;
1318 sc->dpm_entry_used[dpm_idx] = 1;
1319 sc->dpm_flush_entry[dpm_idx] = 1;
1320 phy_change->is_processed = 1;
1321 } else if (dpm_idx == MPS_DPM_BAD_IDX) {
1322 phy_change->is_processed = 1;
1323 mps_dprint(sc, MPS_INFO, "%s: "
1324 "failed to add the device "
1325 "with handle 0x%04x to "
1326 "persistent table because "
1327 "there is no free space "
1328 "available\n", __func__,
1329 phy_change->dev_handle);
1332 mt_entry->init_complete = 1;
1335 phy_change->is_processed = 1;
1338 _mapping_clear_removed_entries(sc);
1342 * _mapping_flush_dpm_pages -Flush the DPM pages to NVRAM
1343 * @sc: per adapter object
1348 _mapping_flush_dpm_pages(struct mps_softc *sc)
1350 Mpi2DriverMap0Entry_t *dpm_entry;
1351 Mpi2ConfigReply_t mpi_reply;
1352 Mpi2DriverMappingPage0_t config_page;
1355 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) {
1356 if (!sc->dpm_flush_entry[entry_num])
1358 memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t));
1359 memcpy(&config_page.Header, (u8 *)sc->dpm_pg0,
1360 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1361 dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 +
1362 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1363 dpm_entry += entry_num;
1364 dpm_entry->MappingInformation = htole16(dpm_entry->
1365 MappingInformation);
1366 dpm_entry->DeviceIndex = htole16(dpm_entry->DeviceIndex);
1367 dpm_entry->PhysicalBitsMapping = htole32(dpm_entry->
1368 PhysicalBitsMapping);
1369 memcpy(&config_page.Entry, (u8 *)dpm_entry,
1370 sizeof(Mpi2DriverMap0Entry_t));
1371 /* TODO-How to handle failed writes? */
1372 if (mps_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
1374 printf("%s: write of dpm entry %d for device failed\n",
1375 __func__, entry_num);
1377 sc->dpm_flush_entry[entry_num] = 0;
1378 dpm_entry->MappingInformation = le16toh(dpm_entry->
1379 MappingInformation);
1380 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
1381 dpm_entry->PhysicalBitsMapping = le32toh(dpm_entry->
1382 PhysicalBitsMapping);
1387 * _mapping_allocate_memory- allocates the memory required for mapping tables
1388 * @sc: per adapter object
1390 * Allocates the memory for all the tables required for host mapping
1392 * Return 0 on success or non-zero on failure.
1395 mps_mapping_allocate_memory(struct mps_softc *sc)
1397 uint32_t dpm_pg0_sz;
1399 sc->mapping_table = malloc((sizeof(struct dev_mapping_table) *
1400 sc->max_devices), M_MPT2, M_ZERO|M_NOWAIT);
1401 if (!sc->mapping_table)
1402 goto free_resources;
1404 sc->removal_table = malloc((sizeof(struct map_removal_table) *
1405 sc->max_devices), M_MPT2, M_ZERO|M_NOWAIT);
1406 if (!sc->removal_table)
1407 goto free_resources;
1409 sc->enclosure_table = malloc((sizeof(struct enc_mapping_table) *
1410 sc->max_enclosures), M_MPT2, M_ZERO|M_NOWAIT);
1411 if (!sc->enclosure_table)
1412 goto free_resources;
1414 sc->dpm_entry_used = malloc((sizeof(u8) * sc->max_dpm_entries),
1415 M_MPT2, M_ZERO|M_NOWAIT);
1416 if (!sc->dpm_entry_used)
1417 goto free_resources;
1419 sc->dpm_flush_entry = malloc((sizeof(u8) * sc->max_dpm_entries),
1420 M_MPT2, M_ZERO|M_NOWAIT);
1421 if (!sc->dpm_flush_entry)
1422 goto free_resources;
1424 dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) +
1425 (sc->max_dpm_entries * sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY));
1427 sc->dpm_pg0 = malloc(dpm_pg0_sz, M_MPT2, M_ZERO|M_NOWAIT);
1429 printf("%s: memory alloc failed for dpm page; disabling dpm\n",
1431 sc->is_dpm_enable = 0;
1437 free(sc->mapping_table, M_MPT2);
1438 free(sc->removal_table, M_MPT2);
1439 free(sc->enclosure_table, M_MPT2);
1440 free(sc->dpm_entry_used, M_MPT2);
1441 free(sc->dpm_flush_entry, M_MPT2);
1442 free(sc->dpm_pg0, M_MPT2);
1443 printf("%s: device initialization failed due to failure in mapping "
1444 "table memory allocation\n", __func__);
1449 * mps_mapping_free_memory- frees the memory allocated for mapping tables
1450 * @sc: per adapter object
1455 mps_mapping_free_memory(struct mps_softc *sc)
1457 free(sc->mapping_table, M_MPT2);
1458 free(sc->removal_table, M_MPT2);
1459 free(sc->enclosure_table, M_MPT2);
1460 free(sc->dpm_entry_used, M_MPT2);
1461 free(sc->dpm_flush_entry, M_MPT2);
1462 free(sc->dpm_pg0, M_MPT2);
1467 _mapping_process_dpm_pg0(struct mps_softc *sc)
1469 u8 missing_cnt, enc_idx;
1470 u16 slot_id, entry_num, num_slots;
1471 u32 map_idx, dev_idx, start_idx, end_idx;
1472 struct dev_mapping_table *mt_entry;
1473 Mpi2DriverMap0Entry_t *dpm_entry;
1474 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1475 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
1476 struct enc_mapping_table *et_entry;
1480 if (sc->ir_firmware)
1481 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
1483 dpm_entry = (Mpi2DriverMap0Entry_t *) ((uint8_t *) sc->dpm_pg0 +
1484 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1485 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++,
1487 physical_id = dpm_entry->PhysicalIdentifier.High;
1488 physical_id = (physical_id << 32) |
1489 dpm_entry->PhysicalIdentifier.Low;
1491 sc->dpm_entry_used[entry_num] = 0;
1494 sc->dpm_entry_used[entry_num] = 1;
1495 dpm_entry->MappingInformation = le16toh(dpm_entry->
1496 MappingInformation);
1497 missing_cnt = dpm_entry->MappingInformation &
1498 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
1499 dev_idx = le16toh(dpm_entry->DeviceIndex);
1500 phy_bits = le32toh(dpm_entry->PhysicalBitsMapping);
1501 if (sc->ir_firmware && (dev_idx >= start_idx) &&
1502 (dev_idx <= end_idx)) {
1503 mt_entry = &sc->mapping_table[dev_idx];
1504 mt_entry->physical_id = dpm_entry->PhysicalIdentifier.High;
1505 mt_entry->physical_id = (mt_entry->physical_id << 32) |
1506 dpm_entry->PhysicalIdentifier.Low;
1507 mt_entry->channel = MPS_RAID_CHANNEL;
1508 mt_entry->id = dev_idx;
1509 mt_entry->missing_count = missing_cnt;
1510 mt_entry->dpm_entry_num = entry_num;
1511 mt_entry->device_info = MPS_DEV_RESERVED;
1514 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1515 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1516 if (dev_idx < (sc->num_rsvd_entries +
1520 MPI2_IOCPAGE8_FLAGS_DA_START_SLOT_1)
1522 num_slots = max_num_phy_ids;
1525 num_slots = dpm_entry->MappingInformation &
1526 MPI2_DRVMAP0_MAPINFO_SLOT_MASK;
1527 num_slots >>= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
1529 enc_idx = sc->num_enc_table_entries;
1530 if (enc_idx >= sc->max_enclosures) {
1531 printf("%s: enclosure entries exceed max "
1532 "enclosures of %d\n", __func__,
1533 sc->max_enclosures);
1536 sc->num_enc_table_entries++;
1537 et_entry = &sc->enclosure_table[enc_idx];
1538 physical_id = dpm_entry->PhysicalIdentifier.High;
1539 et_entry->enclosure_id = (physical_id << 32) |
1540 dpm_entry->PhysicalIdentifier.Low;
1541 et_entry->start_index = dev_idx;
1542 et_entry->dpm_entry_num = entry_num;
1543 et_entry->num_slots = num_slots;
1544 et_entry->start_slot = slot_id;
1545 et_entry->missing_count = missing_cnt;
1546 et_entry->phy_bits = phy_bits;
1548 mt_entry = &sc->mapping_table[dev_idx];
1549 for (map_idx = dev_idx; map_idx < (dev_idx + num_slots);
1550 map_idx++, mt_entry++) {
1551 if (mt_entry->dpm_entry_num !=
1553 printf("%s: conflict in mapping table "
1554 "for enclosure %d\n", __func__,
1558 physical_id = dpm_entry->PhysicalIdentifier.High;
1559 mt_entry->physical_id = (physical_id << 32) |
1560 dpm_entry->PhysicalIdentifier.Low;
1561 mt_entry->phy_bits = phy_bits;
1562 mt_entry->channel = 0;
1563 mt_entry->id = dev_idx;
1564 mt_entry->dpm_entry_num = entry_num;
1565 mt_entry->missing_count = missing_cnt;
1566 mt_entry->device_info = MPS_DEV_RESERVED;
1568 } else if ((ioc_pg8_flags &
1569 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1570 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
1572 mt_entry = &sc->mapping_table[map_idx];
1573 if (mt_entry->dpm_entry_num != MPS_DPM_BAD_IDX) {
1574 printf("%s: conflict in mapping table for "
1575 "device %d\n", __func__, map_idx);
1578 physical_id = dpm_entry->PhysicalIdentifier.High;
1579 mt_entry->physical_id = (physical_id << 32) |
1580 dpm_entry->PhysicalIdentifier.Low;
1581 mt_entry->phy_bits = phy_bits;
1582 mt_entry->channel = 0;
1583 mt_entry->id = dev_idx;
1584 mt_entry->missing_count = missing_cnt;
1585 mt_entry->dpm_entry_num = entry_num;
1586 mt_entry->device_info = MPS_DEV_RESERVED;
1588 } /*close the loop for DPM table */
1592 * mps_mapping_check_devices - start of the day check for device availabilty
1593 * @sc: per adapter object
1594 * @sleep_flag: Flag indicating whether this function can sleep or not
1599 mps_mapping_check_devices(struct mps_softc *sc, int sleep_flag)
1604 struct dev_mapping_table *mt_entry;
1605 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1606 struct enc_mapping_table *et_entry;
1607 u32 start_idx, end_idx;
1609 /* We need to ucomment this when this function is called
1610 * from the port enable complete */
1612 sc->track_mapping_events = 0;
1613 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
1615 if (!sc->pending_map_events)
1617 if (sleep_flag == CAN_SLEEP)
1618 pause("mps_pause", (hz/1000));/* 1msec sleep */
1620 DELAY(500); /* 500 useconds delay */
1625 printf("%s: there are %d"
1626 " pending events after %d seconds of delay\n",
1627 __func__, sc->pending_map_events, timeout);
1629 sc->pending_map_events = 0;
1631 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1632 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1633 et_entry = sc->enclosure_table;
1634 for (i = 0; i < sc->num_enc_table_entries; i++, et_entry++) {
1635 if (!et_entry->init_complete) {
1636 if (et_entry->missing_count <
1637 MPS_MAX_MISSING_COUNT) {
1638 et_entry->missing_count++;
1639 if (et_entry->dpm_entry_num !=
1641 _mapping_commit_enc_entry(sc,
1644 et_entry->init_complete = 1;
1647 if (!sc->ir_firmware)
1649 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
1650 mt_entry = &sc->mapping_table[start_idx];
1651 for (i = start_idx; i < (end_idx + 1); i++, mt_entry++) {
1652 if (mt_entry->device_info & MPS_DEV_RESERVED
1653 && !mt_entry->physical_id)
1654 mt_entry->init_complete = 1;
1655 else if (mt_entry->device_info & MPS_DEV_RESERVED) {
1656 if (!mt_entry->init_complete) {
1657 if (mt_entry->missing_count <
1658 MPS_MAX_MISSING_COUNT) {
1659 mt_entry->missing_count++;
1660 if (mt_entry->dpm_entry_num !=
1662 _mapping_commit_map_entry(sc,
1665 mt_entry->init_complete = 1;
1669 } else if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1670 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
1671 mt_entry = sc->mapping_table;
1672 for (i = 0; i < sc->max_devices; i++, mt_entry++) {
1673 if (mt_entry->device_info & MPS_DEV_RESERVED
1674 && !mt_entry->physical_id)
1675 mt_entry->init_complete = 1;
1676 else if (mt_entry->device_info & MPS_DEV_RESERVED) {
1677 if (!mt_entry->init_complete) {
1678 if (mt_entry->missing_count <
1679 MPS_MAX_MISSING_COUNT) {
1680 mt_entry->missing_count++;
1681 if (mt_entry->dpm_entry_num !=
1683 _mapping_commit_map_entry(sc,
1686 mt_entry->init_complete = 1;
1695 * mps_mapping_is_reinit_required - check whether event replay required
1696 * @sc: per adapter object
1698 * Checks the per ioc flags and decide whether reinit of events required
1700 * Returns 1 for reinit of ioc 0 for not.
1702 int mps_mapping_is_reinit_required(struct mps_softc *sc)
1704 if (!sc->mt_full_retry && sc->mt_add_device_failed) {
1705 sc->mt_full_retry = 1;
1706 sc->mt_add_device_failed = 0;
1707 _mapping_flush_dpm_pages(sc);
1710 sc->mt_full_retry = 1;
1715 * mps_mapping_initialize - initialize mapping tables
1716 * @sc: per adapter object
1718 * Read controller persitant mapping tables into internal data area.
1720 * Return 0 for success or non-zero for failure.
1723 mps_mapping_initialize(struct mps_softc *sc)
1725 uint16_t volume_mapping_flags, dpm_pg0_sz;
1727 Mpi2ConfigReply_t mpi_reply;
1729 uint8_t retry_count;
1730 uint16_t ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1732 /* The additional 1 accounts for the virtual enclosure
1733 * created for the controller
1735 sc->max_enclosures = sc->facts->MaxEnclosures + 1;
1736 sc->max_expanders = sc->facts->MaxSasExpanders;
1737 sc->max_volumes = sc->facts->MaxVolumes;
1738 sc->max_devices = sc->facts->MaxTargets + sc->max_volumes;
1739 sc->pending_map_events = 0;
1740 sc->num_enc_table_entries = 0;
1741 sc->num_rsvd_entries = 0;
1742 sc->num_channels = 1;
1743 sc->max_dpm_entries = sc->ioc_pg8.MaxPersistentEntries;
1744 sc->is_dpm_enable = (sc->max_dpm_entries) ? 1 : 0;
1745 sc->track_mapping_events = 0;
1747 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_DISABLE_PERSISTENT_MAPPING)
1748 sc->is_dpm_enable = 0;
1750 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
1751 sc->num_rsvd_entries = 1;
1753 volume_mapping_flags = sc->ioc_pg8.IRVolumeMappingFlags &
1754 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
1755 if (sc->ir_firmware && (volume_mapping_flags ==
1756 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING))
1757 sc->num_rsvd_entries += sc->max_volumes;
1759 error = mps_mapping_allocate_memory(sc);
1763 for (i = 0; i < sc->max_devices; i++)
1764 _mapping_clear_map_entry(sc->mapping_table + i);
1766 for (i = 0; i < sc->max_enclosures; i++)
1767 _mapping_clear_enc_entry(sc->enclosure_table + i);
1769 for (i = 0; i < sc->max_devices; i++) {
1770 sc->removal_table[i].dev_handle = 0;
1771 sc->removal_table[i].dpm_entry_num = MPS_DPM_BAD_IDX;
1774 memset(sc->dpm_entry_used, 0, sc->max_dpm_entries);
1775 memset(sc->dpm_flush_entry, 0, sc->max_dpm_entries);
1777 if (sc->is_dpm_enable) {
1778 dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) +
1779 (sc->max_dpm_entries *
1780 sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY));
1784 if (mps_config_get_dpm_pg0(sc, &mpi_reply, sc->dpm_pg0,
1786 printf("%s: dpm page read failed; disabling dpm\n",
1788 if (retry_count < 3) {
1790 goto retry_read_dpm;
1792 sc->is_dpm_enable = 0;
1796 if (sc->is_dpm_enable)
1797 _mapping_process_dpm_pg0(sc);
1799 sc->track_mapping_events = 1;
1804 * mps_mapping_exit - clear mapping table and associated memory
1805 * @sc: per adapter object
1810 mps_mapping_exit(struct mps_softc *sc)
1812 _mapping_flush_dpm_pages(sc);
1813 mps_mapping_free_memory(sc);
1817 * mps_mapping_get_sas_id - assign a target id for sas device
1818 * @sc: per adapter object
1819 * @sas_address: sas address of the device
1820 * @handle: device handle
1822 * Returns valid ID on success or BAD_ID.
1825 mps_mapping_get_sas_id(struct mps_softc *sc, uint64_t sas_address, u16 handle)
1828 struct dev_mapping_table *mt_entry;
1830 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
1831 mt_entry = &sc->mapping_table[map_idx];
1832 if (mt_entry->dev_handle == handle && mt_entry->physical_id ==
1834 return mt_entry->id;
1837 return MPS_MAP_BAD_ID;
1841 * mps_mapping_get_sas_id_from_handle - find a target id in mapping table using
1842 * only the dev handle. This is just a wrapper function for the local function
1843 * _mapping_get_mt_idx_from_handle.
1844 * @sc: per adapter object
1845 * @handle: device handle
1847 * Returns valid ID on success or BAD_ID.
1850 mps_mapping_get_sas_id_from_handle(struct mps_softc *sc, u16 handle)
1852 return (_mapping_get_mt_idx_from_handle(sc, handle));
1856 * mps_mapping_get_raid_id - assign a target id for raid device
1857 * @sc: per adapter object
1858 * @wwid: world wide identifier for raid volume
1859 * @handle: device handle
1861 * Returns valid ID on success or BAD_ID.
1864 mps_mapping_get_raid_id(struct mps_softc *sc, u64 wwid, u16 handle)
1867 struct dev_mapping_table *mt_entry;
1869 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
1870 mt_entry = &sc->mapping_table[map_idx];
1871 if (mt_entry->dev_handle == handle && mt_entry->physical_id ==
1873 return mt_entry->id;
1876 return MPS_MAP_BAD_ID;
1880 * mps_mapping_get_raid_id_from_handle - find raid device in mapping table
1881 * using only the volume dev handle. This is just a wrapper function for the
1882 * local function _mapping_get_ir_mt_idx_from_handle.
1883 * @sc: per adapter object
1884 * @volHandle: volume device handle
1886 * Returns valid ID on success or BAD_ID.
1889 mps_mapping_get_raid_id_from_handle(struct mps_softc *sc, u16 volHandle)
1891 return (_mapping_get_ir_mt_idx_from_handle(sc, volHandle));
1895 * mps_mapping_enclosure_dev_status_change_event - handle enclosure events
1896 * @sc: per adapter object
1897 * @event_data: event data payload
1902 mps_mapping_enclosure_dev_status_change_event(struct mps_softc *sc,
1903 Mpi2EventDataSasEnclDevStatusChange_t *event_data)
1905 u8 enc_idx, missing_count;
1906 struct enc_mapping_table *et_entry;
1907 Mpi2DriverMap0Entry_t *dpm_entry;
1908 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1909 u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
1910 u8 update_phy_bits = 0;
1912 uint64_t temp64_var;
1914 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) !=
1915 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING)
1918 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
1919 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1921 if (event_data->ReasonCode == MPI2_EVENT_SAS_ENCL_RC_ADDED) {
1922 if (!event_data->NumSlots) {
1923 printf("%s: enclosure with handle = 0x%x reported 0 "
1924 "slots\n", __func__,
1925 le16toh(event_data->EnclosureHandle));
1928 temp64_var = event_data->EnclosureLogicalID.High;
1929 temp64_var = (temp64_var << 32) |
1930 event_data->EnclosureLogicalID.Low;
1931 enc_idx = _mapping_get_enc_idx_from_id(sc, temp64_var,
1932 event_data->PhyBits);
1933 if (enc_idx != MPS_ENCTABLE_BAD_IDX) {
1934 et_entry = &sc->enclosure_table[enc_idx];
1935 if (et_entry->init_complete &&
1936 !et_entry->missing_count) {
1937 printf("%s: enclosure %d is already present "
1938 "with handle = 0x%x\n",__func__, enc_idx,
1939 et_entry->enc_handle);
1942 et_entry->enc_handle = le16toh(event_data->
1944 et_entry->start_slot = le16toh(event_data->StartSlot);
1945 saved_phy_bits = et_entry->phy_bits;
1946 et_entry->phy_bits |= le32toh(event_data->PhyBits);
1947 if (saved_phy_bits != et_entry->phy_bits)
1948 update_phy_bits = 1;
1949 if (et_entry->missing_count || update_phy_bits) {
1950 et_entry->missing_count = 0;
1951 if (sc->is_dpm_enable &&
1952 et_entry->dpm_entry_num !=
1954 dpm_entry += et_entry->dpm_entry_num;
1956 (u8)(dpm_entry->MappingInformation &
1957 MPI2_DRVMAP0_MAPINFO_MISSING_MASK);
1958 if (!et_entry->init_complete && (
1959 missing_count || update_phy_bits)) {
1960 dpm_entry->MappingInformation
1961 = et_entry->num_slots;
1962 dpm_entry->MappingInformation
1964 dpm_entry->PhysicalBitsMapping
1965 = et_entry->phy_bits;
1966 sc->dpm_flush_entry[et_entry->
1972 enc_idx = sc->num_enc_table_entries;
1973 if (enc_idx >= sc->max_enclosures) {
1974 printf("%s: enclosure can not be added; "
1975 "mapping table is full\n", __func__);
1978 sc->num_enc_table_entries++;
1979 et_entry = &sc->enclosure_table[enc_idx];
1980 et_entry->enc_handle = le16toh(event_data->
1982 et_entry->enclosure_id = event_data->
1983 EnclosureLogicalID.High;
1984 et_entry->enclosure_id = ( et_entry->enclosure_id <<
1985 32) | event_data->EnclosureLogicalID.Low;
1986 et_entry->start_index = MPS_MAPTABLE_BAD_IDX;
1987 et_entry->dpm_entry_num = MPS_DPM_BAD_IDX;
1988 et_entry->num_slots = le16toh(event_data->NumSlots);
1989 et_entry->start_slot = le16toh(event_data->StartSlot);
1990 et_entry->phy_bits = le32toh(event_data->PhyBits);
1992 et_entry->init_complete = 1;
1993 } else if (event_data->ReasonCode ==
1994 MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING) {
1995 enc_idx = _mapping_get_enc_idx_from_handle(sc,
1996 le16toh(event_data->EnclosureHandle));
1997 if (enc_idx == MPS_ENCTABLE_BAD_IDX) {
1998 printf("%s: cannot unmap enclosure %d because it has "
1999 "already been deleted", __func__, enc_idx);
2002 et_entry = &sc->enclosure_table[enc_idx];
2003 if (!et_entry->init_complete) {
2004 if (et_entry->missing_count < MPS_MAX_MISSING_COUNT)
2005 et_entry->missing_count++;
2007 et_entry->init_complete = 1;
2009 if (!et_entry->missing_count)
2010 et_entry->missing_count++;
2011 if (sc->is_dpm_enable && !et_entry->init_complete &&
2012 et_entry->dpm_entry_num != MPS_DPM_BAD_IDX) {
2013 dpm_entry += et_entry->dpm_entry_num;
2014 dpm_entry->MappingInformation = et_entry->num_slots;
2015 dpm_entry->MappingInformation <<= map_shift;
2016 dpm_entry->MappingInformation |=
2017 et_entry->missing_count;
2018 sc->dpm_flush_entry[et_entry->dpm_entry_num] = 1;
2020 et_entry->init_complete = 1;
2024 _mapping_flush_dpm_pages(sc);
2025 if (sc->pending_map_events)
2026 sc->pending_map_events--;
2030 * mps_mapping_topology_change_event - handle topology change events
2031 * @sc: per adapter object
2032 * @event_data: event data payload
2037 mps_mapping_topology_change_event(struct mps_softc *sc,
2038 Mpi2EventDataSasTopologyChangeList_t *event_data)
2040 struct _map_topology_change topo_change;
2041 struct _map_phy_change *phy_change;
2042 Mpi2EventSasTopoPhyEntry_t *event_phy_change;
2045 topo_change.enc_handle = le16toh(event_data->EnclosureHandle);
2046 topo_change.exp_handle = le16toh(event_data->ExpanderDevHandle);
2047 num_entries = event_data->NumEntries;
2048 topo_change.num_entries = num_entries;
2049 topo_change.start_phy_num = event_data->StartPhyNum;
2050 topo_change.num_phys = event_data->NumPhys;
2051 topo_change.exp_status = event_data->ExpStatus;
2052 event_phy_change = event_data->PHY;
2053 topo_change.phy_details = NULL;
2057 phy_change = malloc(sizeof(struct _map_phy_change) * num_entries,
2058 M_MPT2, M_NOWAIT|M_ZERO);
2059 topo_change.phy_details = phy_change;
2062 for (i = 0; i < num_entries; i++, event_phy_change++, phy_change++) {
2063 phy_change->dev_handle = le16toh(event_phy_change->
2065 phy_change->reason = event_phy_change->PhyStatus &
2066 MPI2_EVENT_SAS_TOPO_RC_MASK;
2068 _mapping_update_missing_count(sc, &topo_change);
2069 _mapping_get_dev_info(sc, &topo_change);
2070 _mapping_clear_removed_entries(sc);
2071 _mapping_add_new_device(sc, &topo_change);
2074 free(topo_change.phy_details, M_MPT2);
2075 _mapping_flush_dpm_pages(sc);
2076 if (sc->pending_map_events)
2077 sc->pending_map_events--;
2081 * _mapping_check_update_ir_mt_idx - Check and update IR map table index
2082 * @sc: per adapter object
2083 * @event_data: event data payload
2084 * @evt_idx: current event index
2085 * @map_idx: current index and the place holder for new map table index
2086 * @wwid_table: world wide name for volumes in the element table
2088 * pass through IR events and find whether any events matches and if so
2089 * tries to find new index if not returns failure
2091 * Returns 0 on success and 1 on failure
2094 _mapping_check_update_ir_mt_idx(struct mps_softc *sc,
2095 Mpi2EventDataIrConfigChangeList_t *event_data, int evt_idx, u32 *map_idx,
2098 struct dev_mapping_table *mt_entry;
2099 u32 st_idx, end_idx, mt_idx = *map_idx;
2101 Mpi2EventIrConfigElement_t *element;
2105 mt_entry = &sc->mapping_table[mt_idx];
2106 _mapping_get_ir_maprange(sc, &st_idx, &end_idx);
2109 for (i = evt_idx + 1; i < event_data->NumElements; i++) {
2110 element = (Mpi2EventIrConfigElement_t *)
2111 &event_data->ConfigElement[i];
2112 element_flags = le16toh(element->ElementFlags);
2113 if ((element_flags &
2114 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK) !=
2115 MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT)
2117 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_ADDED ||
2118 element->ReasonCode ==
2119 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) {
2120 if (mt_entry->physical_id == wwid_table[i]) {
2130 if (mt_idx > end_idx)
2132 mt_entry = &sc->mapping_table[mt_idx];
2133 } while (mt_entry->device_info & MPS_MAP_IN_USE);
2141 * mps_mapping_ir_config_change_event - handle IR config change list events
2142 * @sc: per adapter object
2143 * @event_data: event data payload
2148 mps_mapping_ir_config_change_event(struct mps_softc *sc,
2149 Mpi2EventDataIrConfigChangeList_t *event_data)
2151 Mpi2EventIrConfigElement_t *element;
2155 struct dev_mapping_table *mt_entry;
2157 u8 log_full_error = 0;
2159 wwid_table = malloc(sizeof(u64) * event_data->NumElements, M_MPT2,
2163 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
2164 flags = le32toh(event_data->Flags);
2165 for (i = 0; i < event_data->NumElements; i++, element++) {
2166 element_flags = le16toh(element->ElementFlags);
2167 if ((element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_ADDED) &&
2168 (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_REMOVED) &&
2169 (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE)
2170 && (element->ReasonCode !=
2171 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED))
2173 if ((element_flags &
2174 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK) ==
2175 MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT) {
2176 mps_config_get_volume_wwid(sc,
2177 le16toh(element->VolDevHandle), &wwid_table[i]);
2178 map_idx = _mapping_get_ir_mt_idx_from_wwid(sc,
2180 if (map_idx != MPS_MAPTABLE_BAD_IDX) {
2181 mt_entry = &sc->mapping_table[map_idx];
2182 mt_entry->device_info |= MPS_MAP_IN_USE;
2186 if (flags == MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
2189 element = (Mpi2EventIrConfigElement_t *)&event_data->
2191 for (i = 0; i < event_data->NumElements; i++, element++) {
2192 if (element->ReasonCode ==
2193 MPI2_EVENT_IR_CHANGE_RC_ADDED ||
2194 element->ReasonCode ==
2195 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) {
2196 map_idx = _mapping_get_ir_mt_idx_from_wwid
2197 (sc, wwid_table[i]);
2198 if (map_idx != MPS_MAPTABLE_BAD_IDX) {
2199 mt_entry = &sc->mapping_table[map_idx];
2200 mt_entry->channel = MPS_RAID_CHANNEL;
2201 mt_entry->id = map_idx;
2202 mt_entry->dev_handle = le16toh
2203 (element->VolDevHandle);
2204 mt_entry->device_info =
2205 MPS_DEV_RESERVED | MPS_MAP_IN_USE;
2206 _mapping_update_ir_missing_cnt(sc,
2207 map_idx, element, wwid_table[i]);
2210 map_idx = _mapping_get_free_ir_mt_idx(sc);
2211 if (map_idx == MPS_MAPTABLE_BAD_IDX)
2213 else if (i < (event_data->NumElements - 1)) {
2215 _mapping_check_update_ir_mt_idx
2216 (sc, event_data, i, &map_idx,
2219 if (log_full_error) {
2220 printf("%s: no space to add the RAID "
2221 "volume with handle 0x%04x in "
2222 "mapping table\n", __func__, le16toh
2223 (element->VolDevHandle));
2226 mt_entry = &sc->mapping_table[map_idx];
2227 mt_entry->physical_id = wwid_table[i];
2228 mt_entry->channel = MPS_RAID_CHANNEL;
2229 mt_entry->id = map_idx;
2230 mt_entry->dev_handle = le16toh(element->
2232 mt_entry->device_info = MPS_DEV_RESERVED |
2234 mt_entry->init_complete = 0;
2235 _mapping_update_ir_missing_cnt(sc, map_idx,
2236 element, wwid_table[i]);
2237 } else if (element->ReasonCode ==
2238 MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
2239 map_idx = _mapping_get_ir_mt_idx_from_wwid(sc,
2241 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
2242 printf("%s: failed to remove a volume "
2243 "because it has already been "
2244 "removed\n", __func__);
2247 _mapping_update_ir_missing_cnt(sc, map_idx,
2248 element, wwid_table[i]);
2249 } else if (element->ReasonCode ==
2250 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED) {
2251 map_idx = _mapping_get_mt_idx_from_handle(sc,
2252 le16toh(element->VolDevHandle));
2253 if (map_idx == MPS_MAPTABLE_BAD_IDX) {
2254 printf("%s: failed to remove volume "
2255 "with handle 0x%04x because it has "
2256 "already been removed\n", __func__,
2257 le16toh(element->VolDevHandle));
2260 mt_entry = &sc->mapping_table[map_idx];
2261 _mapping_update_ir_missing_cnt(sc, map_idx,
2262 element, mt_entry->physical_id);
2268 _mapping_flush_dpm_pages(sc);
2269 free(wwid_table, M_MPT2);
2270 if (sc->pending_map_events)
2271 sc->pending_map_events--;