1 /*-
2 * Copyright (c) 2011-2015 LSI Corp.
3 * Copyright (c) 2013-2015 Avago Technologies
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD
28 */
29
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
32
33 /* TODO Move headers to mprvar */
34 #include <sys/types.h>
35 #include <sys/param.h>
36 #include <sys/lock.h>
37 #include <sys/mutex.h>
38 #include <sys/systm.h>
39 #include <sys/kernel.h>
40 #include <sys/malloc.h>
41 #include <sys/kthread.h>
42 #include <sys/taskqueue.h>
43 #include <sys/bus.h>
44 #include <sys/endian.h>
45 #include <sys/sysctl.h>
46 #include <sys/eventhandler.h>
47 #include <sys/uio.h>
48 #include <machine/bus.h>
49 #include <machine/resource.h>
50 #include <dev/mpr/mpi/mpi2_type.h>
51 #include <dev/mpr/mpi/mpi2.h>
52 #include <dev/mpr/mpi/mpi2_ioc.h>
53 #include <dev/mpr/mpi/mpi2_sas.h>
54 #include <dev/mpr/mpi/mpi2_cnfg.h>
55 #include <dev/mpr/mpi/mpi2_init.h>
56 #include <dev/mpr/mpi/mpi2_tool.h>
57 #include <dev/mpr/mpr_ioctl.h>
58 #include <dev/mpr/mprvar.h>
59 #include <dev/mpr/mpr_mapping.h>
60
61 /**
62 * _mapping_clear_entry - Clear a particular mapping entry.
63 * @map_entry: map table entry
64 *
65 * Returns nothing.
66 */
67 static inline void
_mapping_clear_map_entry(struct dev_mapping_table * map_entry)68 _mapping_clear_map_entry(struct dev_mapping_table *map_entry)
69 {
70 map_entry->physical_id = 0;
71 map_entry->device_info = 0;
72 map_entry->phy_bits = 0;
73 map_entry->dpm_entry_num = MPR_DPM_BAD_IDX;
74 map_entry->dev_handle = 0;
75 map_entry->channel = -1;
76 map_entry->id = -1;
77 map_entry->missing_count = 0;
78 map_entry->init_complete = 0;
79 map_entry->TLR_bits = (u8)MPI2_SCSIIO_CONTROL_NO_TLR;
80 }
81
82 /**
83 * _mapping_clear_enc_entry - Clear a particular enclosure table entry.
84 * @enc_entry: enclosure table entry
85 *
86 * Returns nothing.
87 */
88 static inline void
_mapping_clear_enc_entry(struct enc_mapping_table * enc_entry)89 _mapping_clear_enc_entry(struct enc_mapping_table *enc_entry)
90 {
91 enc_entry->enclosure_id = 0;
92 enc_entry->start_index = MPR_MAPTABLE_BAD_IDX;
93 enc_entry->phy_bits = 0;
94 enc_entry->dpm_entry_num = MPR_DPM_BAD_IDX;
95 enc_entry->enc_handle = 0;
96 enc_entry->num_slots = 0;
97 enc_entry->start_slot = 0;
98 enc_entry->missing_count = 0;
99 enc_entry->removal_flag = 0;
100 enc_entry->skip_search = 0;
101 enc_entry->init_complete = 0;
102 }
103
104 /**
105 * _mapping_commit_enc_entry - write a particular enc entry in DPM page0.
106 * @sc: per adapter object
107 * @enc_entry: enclosure table entry
108 *
109 * Returns 0 for success, non-zero for failure.
110 */
111 static int
_mapping_commit_enc_entry(struct mpr_softc * sc,struct enc_mapping_table * et_entry)112 _mapping_commit_enc_entry(struct mpr_softc *sc,
113 struct enc_mapping_table *et_entry)
114 {
115 Mpi2DriverMap0Entry_t *dpm_entry;
116 struct dev_mapping_table *mt_entry;
117 Mpi2ConfigReply_t mpi_reply;
118 Mpi2DriverMappingPage0_t config_page;
119
120 if (!sc->is_dpm_enable)
121 return 0;
122
123 memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t));
124 memcpy(&config_page.Header, (u8 *) sc->dpm_pg0,
125 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
126 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
127 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
128 dpm_entry += et_entry->dpm_entry_num;
129 dpm_entry->PhysicalIdentifier.Low =
130 ( 0xFFFFFFFF & et_entry->enclosure_id);
131 dpm_entry->PhysicalIdentifier.High =
132 ( et_entry->enclosure_id >> 32);
133 mt_entry = &sc->mapping_table[et_entry->start_index];
134 dpm_entry->DeviceIndex = htole16(mt_entry->id);
135 dpm_entry->MappingInformation = et_entry->num_slots;
136 dpm_entry->MappingInformation <<= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
137 dpm_entry->MappingInformation |= et_entry->missing_count;
138 dpm_entry->MappingInformation = htole16(dpm_entry->MappingInformation);
139 dpm_entry->PhysicalBitsMapping = htole32(et_entry->phy_bits);
140 dpm_entry->Reserved1 = 0;
141
142 memcpy(&config_page.Entry, (u8 *)dpm_entry,
143 sizeof(Mpi2DriverMap0Entry_t));
144 if (mpr_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
145 et_entry->dpm_entry_num)) {
146 printf("%s: write of dpm entry %d for enclosure failed\n",
147 __func__, et_entry->dpm_entry_num);
148 dpm_entry->MappingInformation = le16toh(dpm_entry->
149 MappingInformation);
150 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
151 dpm_entry->PhysicalBitsMapping =
152 le32toh(dpm_entry->PhysicalBitsMapping);
153 return -1;
154 }
155 dpm_entry->MappingInformation = le16toh(dpm_entry->
156 MappingInformation);
157 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
158 dpm_entry->PhysicalBitsMapping =
159 le32toh(dpm_entry->PhysicalBitsMapping);
160 return 0;
161 }
162
163 /**
164 * _mapping_commit_map_entry - write a particular map table entry in DPM page0.
165 * @sc: per adapter object
166 * @enc_entry: enclosure table entry
167 *
168 * Returns 0 for success, non-zero for failure.
169 */
170
171 static int
_mapping_commit_map_entry(struct mpr_softc * sc,struct dev_mapping_table * mt_entry)172 _mapping_commit_map_entry(struct mpr_softc *sc,
173 struct dev_mapping_table *mt_entry)
174 {
175 Mpi2DriverMap0Entry_t *dpm_entry;
176 Mpi2ConfigReply_t mpi_reply;
177 Mpi2DriverMappingPage0_t config_page;
178
179 if (!sc->is_dpm_enable)
180 return 0;
181
182 memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t));
183 memcpy(&config_page.Header, (u8 *)sc->dpm_pg0,
184 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
185 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *) sc->dpm_pg0 +
186 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
187 dpm_entry = dpm_entry + mt_entry->dpm_entry_num;
188 dpm_entry->PhysicalIdentifier.Low = (0xFFFFFFFF &
189 mt_entry->physical_id);
190 dpm_entry->PhysicalIdentifier.High = (mt_entry->physical_id >> 32);
191 dpm_entry->DeviceIndex = htole16(mt_entry->id);
192 dpm_entry->MappingInformation = htole16(mt_entry->missing_count);
193 dpm_entry->PhysicalBitsMapping = 0;
194 dpm_entry->Reserved1 = 0;
195 dpm_entry->MappingInformation = htole16(dpm_entry->MappingInformation);
196 memcpy(&config_page.Entry, (u8 *)dpm_entry,
197 sizeof(Mpi2DriverMap0Entry_t));
198 if (mpr_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
199 mt_entry->dpm_entry_num)) {
200 printf("%s: write of dpm entry %d for device failed\n",
201 __func__, mt_entry->dpm_entry_num);
202 dpm_entry->MappingInformation = le16toh(dpm_entry->
203 MappingInformation);
204 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
205 return -1;
206 }
207
208 dpm_entry->MappingInformation = le16toh(dpm_entry->MappingInformation);
209 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
210 return 0;
211 }
212
213 /**
214 * _mapping_get_ir_maprange - get start and end index for IR map range.
215 * @sc: per adapter object
216 * @start_idx: place holder for start index
217 * @end_idx: place holder for end index
218 *
219 * The IR volumes can be mapped either at start or end of the mapping table
220 * this function gets the detail of where IR volume mapping starts and ends
221 * in the device mapping table
222 *
223 * Returns nothing.
224 */
225 static void
_mapping_get_ir_maprange(struct mpr_softc * sc,u32 * start_idx,u32 * end_idx)226 _mapping_get_ir_maprange(struct mpr_softc *sc, u32 *start_idx, u32 *end_idx)
227 {
228 u16 volume_mapping_flags;
229 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
230
231 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
232 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
233 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
234 *start_idx = 0;
235 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
236 *start_idx = 1;
237 } else
238 *start_idx = sc->max_devices - sc->max_volumes;
239 *end_idx = *start_idx + sc->max_volumes - 1;
240 }
241
242 /**
243 * _mapping_get_enc_idx_from_id - get enclosure index from enclosure ID
244 * @sc: per adapter object
245 * @enc_id: enclosure logical identifier
246 *
247 * Returns the index of enclosure entry on success or bad index.
248 */
249 static u8
_mapping_get_enc_idx_from_id(struct mpr_softc * sc,u64 enc_id,u64 phy_bits)250 _mapping_get_enc_idx_from_id(struct mpr_softc *sc, u64 enc_id,
251 u64 phy_bits)
252 {
253 struct enc_mapping_table *et_entry;
254 u8 enc_idx = 0;
255
256 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) {
257 et_entry = &sc->enclosure_table[enc_idx];
258 if ((et_entry->enclosure_id == le64toh(enc_id)) &&
259 (!et_entry->phy_bits || (et_entry->phy_bits &
260 le32toh(phy_bits))))
261 return enc_idx;
262 }
263 return MPR_ENCTABLE_BAD_IDX;
264 }
265
266 /**
267 * _mapping_get_enc_idx_from_handle - get enclosure index from handle
268 * @sc: per adapter object
269 * @enc_id: enclosure handle
270 *
271 * Returns the index of enclosure entry on success or bad index.
272 */
273 static u8
_mapping_get_enc_idx_from_handle(struct mpr_softc * sc,u16 handle)274 _mapping_get_enc_idx_from_handle(struct mpr_softc *sc, u16 handle)
275 {
276 struct enc_mapping_table *et_entry;
277 u8 enc_idx = 0;
278
279 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) {
280 et_entry = &sc->enclosure_table[enc_idx];
281 if (et_entry->missing_count)
282 continue;
283 if (et_entry->enc_handle == handle)
284 return enc_idx;
285 }
286 return MPR_ENCTABLE_BAD_IDX;
287 }
288
289 /**
290 * _mapping_get_high_missing_et_idx - get missing enclosure index
291 * @sc: per adapter object
292 *
293 * Search through the enclosure table and identifies the enclosure entry
294 * with high missing count and returns it's index
295 *
296 * Returns the index of enclosure entry on success or bad index.
297 */
298 static u8
_mapping_get_high_missing_et_idx(struct mpr_softc * sc)299 _mapping_get_high_missing_et_idx(struct mpr_softc *sc)
300 {
301 struct enc_mapping_table *et_entry;
302 u8 high_missing_count = 0;
303 u8 enc_idx, high_idx = MPR_ENCTABLE_BAD_IDX;
304
305 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries; enc_idx++) {
306 et_entry = &sc->enclosure_table[enc_idx];
307 if ((et_entry->missing_count > high_missing_count) &&
308 !et_entry->skip_search) {
309 high_missing_count = et_entry->missing_count;
310 high_idx = enc_idx;
311 }
312 }
313 return high_idx;
314 }
315
316 /**
317 * _mapping_get_high_missing_mt_idx - get missing map table index
318 * @sc: per adapter object
319 *
320 * Search through the map table and identifies the device entry
321 * with high missing count and returns it's index
322 *
323 * Returns the index of map table entry on success or bad index.
324 */
325 static u32
_mapping_get_high_missing_mt_idx(struct mpr_softc * sc)326 _mapping_get_high_missing_mt_idx(struct mpr_softc *sc)
327 {
328 u32 map_idx, high_idx = MPR_ENCTABLE_BAD_IDX;
329 u8 high_missing_count = 0;
330 u32 start_idx, end_idx, start_idx_ir, end_idx_ir;
331 struct dev_mapping_table *mt_entry;
332 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
333
334 start_idx = 0;
335 start_idx_ir = 0;
336 end_idx_ir = 0;
337 end_idx = sc->max_devices;
338 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
339 start_idx = 1;
340 if (sc->ir_firmware) {
341 _mapping_get_ir_maprange(sc, &start_idx_ir, &end_idx_ir);
342 if (start_idx == start_idx_ir)
343 start_idx = end_idx_ir + 1;
344 else
345 end_idx = start_idx_ir;
346 }
347 mt_entry = &sc->mapping_table[start_idx];
348 for (map_idx = start_idx; map_idx < end_idx; map_idx++, mt_entry++) {
349 if (mt_entry->missing_count > high_missing_count) {
350 high_missing_count = mt_entry->missing_count;
351 high_idx = map_idx;
352 }
353 }
354 return high_idx;
355 }
356
357 /**
358 * _mapping_get_ir_mt_idx_from_wwid - get map table index from volume WWID
359 * @sc: per adapter object
360 * @wwid: world wide unique ID of the volume
361 *
362 * Returns the index of map table entry on success or bad index.
363 */
364 static u32
_mapping_get_ir_mt_idx_from_wwid(struct mpr_softc * sc,u64 wwid)365 _mapping_get_ir_mt_idx_from_wwid(struct mpr_softc *sc, u64 wwid)
366 {
367 u32 start_idx, end_idx, map_idx;
368 struct dev_mapping_table *mt_entry;
369
370 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
371 mt_entry = &sc->mapping_table[start_idx];
372 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)
373 if (mt_entry->physical_id == wwid)
374 return map_idx;
375
376 return MPR_MAPTABLE_BAD_IDX;
377 }
378
379 /**
380 * _mapping_get_mt_idx_from_id - get map table index from a device ID
381 * @sc: per adapter object
382 * @dev_id: device identifer (SAS Address)
383 *
384 * Returns the index of map table entry on success or bad index.
385 */
386 static u32
_mapping_get_mt_idx_from_id(struct mpr_softc * sc,u64 dev_id)387 _mapping_get_mt_idx_from_id(struct mpr_softc *sc, u64 dev_id)
388 {
389 u32 map_idx;
390 struct dev_mapping_table *mt_entry;
391
392 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
393 mt_entry = &sc->mapping_table[map_idx];
394 if (mt_entry->physical_id == dev_id)
395 return map_idx;
396 }
397 return MPR_MAPTABLE_BAD_IDX;
398 }
399
400 /**
401 * _mapping_get_ir_mt_idx_from_handle - get map table index from volume handle
402 * @sc: per adapter object
403 * @wwid: volume device handle
404 *
405 * Returns the index of map table entry on success or bad index.
406 */
407 static u32
_mapping_get_ir_mt_idx_from_handle(struct mpr_softc * sc,u16 volHandle)408 _mapping_get_ir_mt_idx_from_handle(struct mpr_softc *sc, u16 volHandle)
409 {
410 u32 start_idx, end_idx, map_idx;
411 struct dev_mapping_table *mt_entry;
412
413 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
414 mt_entry = &sc->mapping_table[start_idx];
415 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)
416 if (mt_entry->dev_handle == volHandle)
417 return map_idx;
418
419 return MPR_MAPTABLE_BAD_IDX;
420 }
421
422 /**
423 * _mapping_get_mt_idx_from_handle - get map table index from handle
424 * @sc: per adapter object
425 * @dev_id: device handle
426 *
427 * Returns the index of map table entry on success or bad index.
428 */
429 static u32
_mapping_get_mt_idx_from_handle(struct mpr_softc * sc,u16 handle)430 _mapping_get_mt_idx_from_handle(struct mpr_softc *sc, u16 handle)
431 {
432 u32 map_idx;
433 struct dev_mapping_table *mt_entry;
434
435 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
436 mt_entry = &sc->mapping_table[map_idx];
437 if (mt_entry->dev_handle == handle)
438 return map_idx;
439 }
440 return MPR_MAPTABLE_BAD_IDX;
441 }
442
443 /**
444 * _mapping_get_free_ir_mt_idx - get first free index for a volume
445 * @sc: per adapter object
446 *
447 * Search through mapping table for free index for a volume and if no free
448 * index then looks for a volume with high mapping index
449 *
450 * Returns the index of map table entry on success or bad index.
451 */
452 static u32
_mapping_get_free_ir_mt_idx(struct mpr_softc * sc)453 _mapping_get_free_ir_mt_idx(struct mpr_softc *sc)
454 {
455 u8 high_missing_count = 0;
456 u32 start_idx, end_idx, map_idx;
457 u32 high_idx = MPR_MAPTABLE_BAD_IDX;
458 struct dev_mapping_table *mt_entry;
459
460 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
461
462 mt_entry = &sc->mapping_table[start_idx];
463 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)
464 if (!(mt_entry->device_info & MPR_MAP_IN_USE))
465 return map_idx;
466
467 mt_entry = &sc->mapping_table[start_idx];
468 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) {
469 if (mt_entry->missing_count > high_missing_count) {
470 high_missing_count = mt_entry->missing_count;
471 high_idx = map_idx;
472 }
473 }
474 return high_idx;
475 }
476
477 /**
478 * _mapping_get_free_mt_idx - get first free index for a device
479 * @sc: per adapter object
480 * @start_idx: offset in the table to start search
481 *
482 * Returns the index of map table entry on success or bad index.
483 */
484 static u32
_mapping_get_free_mt_idx(struct mpr_softc * sc,u32 start_idx)485 _mapping_get_free_mt_idx(struct mpr_softc *sc, u32 start_idx)
486 {
487 u32 map_idx, max_idx = sc->max_devices;
488 struct dev_mapping_table *mt_entry = &sc->mapping_table[start_idx];
489 u16 volume_mapping_flags;
490
491 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
492 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
493 if (sc->ir_firmware && (volume_mapping_flags ==
494 MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING))
495 max_idx -= sc->max_volumes;
496 for (map_idx = start_idx; map_idx < max_idx; map_idx++, mt_entry++)
497 if (!(mt_entry->device_info & (MPR_MAP_IN_USE |
498 MPR_DEV_RESERVED)))
499 return map_idx;
500
501 return MPR_MAPTABLE_BAD_IDX;
502 }
503
504 /**
505 * _mapping_get_dpm_idx_from_id - get DPM index from ID
506 * @sc: per adapter object
507 * @id: volume WWID or enclosure ID or device ID
508 *
509 * Returns the index of DPM entry on success or bad index.
510 */
511 static u16
_mapping_get_dpm_idx_from_id(struct mpr_softc * sc,u64 id,u32 phy_bits)512 _mapping_get_dpm_idx_from_id(struct mpr_softc *sc, u64 id, u32 phy_bits)
513 {
514 u16 entry_num;
515 uint64_t PhysicalIdentifier;
516 Mpi2DriverMap0Entry_t *dpm_entry;
517
518 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
519 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
520 PhysicalIdentifier = dpm_entry->PhysicalIdentifier.High;
521 PhysicalIdentifier = (PhysicalIdentifier << 32) |
522 dpm_entry->PhysicalIdentifier.Low;
523 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++,
524 dpm_entry++)
525 if ((id == PhysicalIdentifier) &&
526 (!phy_bits || !dpm_entry->PhysicalBitsMapping ||
527 (phy_bits & dpm_entry->PhysicalBitsMapping)))
528 return entry_num;
529
530 return MPR_DPM_BAD_IDX;
531 }
532
533
534 /**
535 * _mapping_get_free_dpm_idx - get first available DPM index
536 * @sc: per adapter object
537 *
538 * Returns the index of DPM entry on success or bad index.
539 */
540 static u32
_mapping_get_free_dpm_idx(struct mpr_softc * sc)541 _mapping_get_free_dpm_idx(struct mpr_softc *sc)
542 {
543 u16 entry_num;
544
545 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) {
546 if (!sc->dpm_entry_used[entry_num])
547 return entry_num;
548 }
549 return MPR_DPM_BAD_IDX;
550 }
551
552 /**
553 * _mapping_update_ir_missing_cnt - Updates missing count for a volume
554 * @sc: per adapter object
555 * @map_idx: map table index of the volume
556 * @element: IR configuration change element
557 * @wwid: IR volume ID.
558 *
559 * Updates the missing count in the map table and in the DPM entry for a volume
560 *
561 * Returns nothing.
562 */
563 static void
_mapping_update_ir_missing_cnt(struct mpr_softc * sc,u32 map_idx,Mpi2EventIrConfigElement_t * element,u64 wwid)564 _mapping_update_ir_missing_cnt(struct mpr_softc *sc, u32 map_idx,
565 Mpi2EventIrConfigElement_t *element, u64 wwid)
566 {
567 struct dev_mapping_table *mt_entry;
568 u8 missing_cnt, reason = element->ReasonCode;
569 u16 dpm_idx;
570 Mpi2DriverMap0Entry_t *dpm_entry;
571
572 if (!sc->is_dpm_enable)
573 return;
574 mt_entry = &sc->mapping_table[map_idx];
575 if (reason == MPI2_EVENT_IR_CHANGE_RC_ADDED) {
576 mt_entry->missing_count = 0;
577 } else if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) {
578 mt_entry->missing_count = 0;
579 mt_entry->init_complete = 0;
580 } else if ((reason == MPI2_EVENT_IR_CHANGE_RC_REMOVED) ||
581 (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED)) {
582 if (!mt_entry->init_complete) {
583 if (mt_entry->missing_count < MPR_MAX_MISSING_COUNT)
584 mt_entry->missing_count++;
585 else
586 mt_entry->init_complete = 1;
587 }
588 if (!mt_entry->missing_count)
589 mt_entry->missing_count++;
590 mt_entry->dev_handle = 0;
591 }
592
593 dpm_idx = mt_entry->dpm_entry_num;
594 if (dpm_idx == MPR_DPM_BAD_IDX) {
595 if ((reason == MPI2_EVENT_IR_CHANGE_RC_ADDED) ||
596 (reason == MPI2_EVENT_IR_CHANGE_RC_REMOVED))
597 dpm_idx = _mapping_get_dpm_idx_from_id(sc,
598 mt_entry->physical_id, 0);
599 else if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED)
600 return;
601 }
602 if (dpm_idx != MPR_DPM_BAD_IDX) {
603 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
604 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
605 dpm_entry += dpm_idx;
606 missing_cnt = dpm_entry->MappingInformation &
607 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
608 if ((mt_entry->physical_id ==
609 le64toh((u64)dpm_entry->PhysicalIdentifier.High |
610 dpm_entry->PhysicalIdentifier.Low)) && (missing_cnt ==
611 mt_entry->missing_count))
612 mt_entry->init_complete = 1;
613 } else {
614 dpm_idx = _mapping_get_free_dpm_idx(sc);
615 mt_entry->init_complete = 0;
616 }
617
618 if ((dpm_idx != MPR_DPM_BAD_IDX) && !mt_entry->init_complete) {
619 mt_entry->init_complete = 1;
620 mt_entry->dpm_entry_num = dpm_idx;
621 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
622 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
623 dpm_entry += dpm_idx;
624 dpm_entry->PhysicalIdentifier.Low =
625 (0xFFFFFFFF & mt_entry->physical_id);
626 dpm_entry->PhysicalIdentifier.High =
627 (mt_entry->physical_id >> 32);
628 dpm_entry->DeviceIndex = map_idx;
629 dpm_entry->MappingInformation = mt_entry->missing_count;
630 dpm_entry->PhysicalBitsMapping = 0;
631 dpm_entry->Reserved1 = 0;
632 sc->dpm_flush_entry[dpm_idx] = 1;
633 sc->dpm_entry_used[dpm_idx] = 1;
634 } else if (dpm_idx == MPR_DPM_BAD_IDX) {
635 printf("%s: no space to add entry in DPM table\n", __func__);
636 mt_entry->init_complete = 1;
637 }
638 }
639
640 /**
641 * _mapping_add_to_removal_table - mark an entry for removal
642 * @sc: per adapter object
643 * @handle: Handle of enclosures/device/volume
644 *
645 * Adds the handle or DPM entry number in removal table.
646 *
647 * Returns nothing.
648 */
649 static void
_mapping_add_to_removal_table(struct mpr_softc * sc,u16 handle,u16 dpm_idx)650 _mapping_add_to_removal_table(struct mpr_softc *sc, u16 handle,
651 u16 dpm_idx)
652 {
653 struct map_removal_table *remove_entry;
654 u32 i;
655 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
656
657 remove_entry = sc->removal_table;
658
659 for (i = 0; i < sc->max_devices; i++, remove_entry++) {
660 if (remove_entry->dev_handle || remove_entry->dpm_entry_num !=
661 MPR_DPM_BAD_IDX)
662 continue;
663 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
664 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
665 if (dpm_idx)
666 remove_entry->dpm_entry_num = dpm_idx;
667 if (remove_entry->dpm_entry_num == MPR_DPM_BAD_IDX)
668 remove_entry->dev_handle = handle;
669 } else if ((ioc_pg8_flags &
670 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
671 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING)
672 remove_entry->dev_handle = handle;
673 break;
674 }
675
676 }
677
678 /**
679 * _mapping_update_missing_count - Update missing count for a device
680 * @sc: per adapter object
681 * @topo_change: Topology change event entry
682 *
683 * Search through the topology change list and if any device is found not
684 * responding it's associated map table entry and DPM entry is updated
685 *
686 * Returns nothing.
687 */
688 static void
_mapping_update_missing_count(struct mpr_softc * sc,struct _map_topology_change * topo_change)689 _mapping_update_missing_count(struct mpr_softc *sc,
690 struct _map_topology_change *topo_change)
691 {
692 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
693 u8 entry;
694 struct _map_phy_change *phy_change;
695 u32 map_idx;
696 struct dev_mapping_table *mt_entry;
697 Mpi2DriverMap0Entry_t *dpm_entry;
698
699 for (entry = 0; entry < topo_change->num_entries; entry++) {
700 phy_change = &topo_change->phy_details[entry];
701 if (!phy_change->dev_handle || (phy_change->reason !=
702 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
703 continue;
704 map_idx = _mapping_get_mt_idx_from_handle(sc, phy_change->
705 dev_handle);
706 phy_change->is_processed = 1;
707 if (map_idx == MPR_MAPTABLE_BAD_IDX) {
708 printf("%s: device is already removed from mapping "
709 "table\n", __func__);
710 continue;
711 }
712 mt_entry = &sc->mapping_table[map_idx];
713 if (!mt_entry->init_complete) {
714 if (mt_entry->missing_count < MPR_MAX_MISSING_COUNT)
715 mt_entry->missing_count++;
716 else
717 mt_entry->init_complete = 1;
718 }
719 if (!mt_entry->missing_count)
720 mt_entry->missing_count++;
721 _mapping_add_to_removal_table(sc, mt_entry->dev_handle, 0);
722 mt_entry->dev_handle = 0;
723
724 if (((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
725 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) &&
726 sc->is_dpm_enable && !mt_entry->init_complete &&
727 mt_entry->dpm_entry_num != MPR_DPM_BAD_IDX) {
728 dpm_entry =
729 (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 +
730 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
731 dpm_entry += mt_entry->dpm_entry_num;
732 dpm_entry->MappingInformation = mt_entry->missing_count;
733 sc->dpm_flush_entry[mt_entry->dpm_entry_num] = 1;
734 }
735 mt_entry->init_complete = 1;
736 }
737 }
738
739 /**
740 * _mapping_find_enc_map_space -find map table entries for enclosure
741 * @sc: per adapter object
742 * @et_entry: enclosure entry
743 *
744 * Search through the mapping table defragment it and provide contiguous
745 * space in map table for a particular enclosure entry
746 *
747 * Returns start index in map table or bad index.
748 */
749 static u32
_mapping_find_enc_map_space(struct mpr_softc * sc,struct enc_mapping_table * et_entry)750 _mapping_find_enc_map_space(struct mpr_softc *sc,
751 struct enc_mapping_table *et_entry)
752 {
753 u16 vol_mapping_flags;
754 u32 skip_count, end_of_table, map_idx, enc_idx;
755 u16 num_found;
756 u32 start_idx = MPR_MAPTABLE_BAD_IDX;
757 struct dev_mapping_table *mt_entry;
758 struct enc_mapping_table *enc_entry;
759 unsigned char done_flag = 0, found_space;
760 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
761
762 skip_count = sc->num_rsvd_entries;
763 num_found = 0;
764
765 vol_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
766 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
767
768 if (!sc->ir_firmware)
769 end_of_table = sc->max_devices;
770 else if (vol_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING)
771 end_of_table = sc->max_devices;
772 else
773 end_of_table = sc->max_devices - sc->max_volumes;
774
775 for (map_idx = (max_num_phy_ids + skip_count);
776 map_idx < end_of_table; map_idx++) {
777 mt_entry = &sc->mapping_table[map_idx];
778 if ((et_entry->enclosure_id == mt_entry->physical_id) &&
779 (!mt_entry->phy_bits || (mt_entry->phy_bits &
780 et_entry->phy_bits))) {
781 num_found += 1;
782 if (num_found == et_entry->num_slots) {
783 start_idx = (map_idx - num_found) + 1;
784 return start_idx;
785 }
786 } else
787 num_found = 0;
788 }
789 for (map_idx = (max_num_phy_ids + skip_count);
790 map_idx < end_of_table; map_idx++) {
791 mt_entry = &sc->mapping_table[map_idx];
792 if (!(mt_entry->device_info & MPR_DEV_RESERVED)) {
793 num_found += 1;
794 if (num_found == et_entry->num_slots) {
795 start_idx = (map_idx - num_found) + 1;
796 return start_idx;
797 }
798 } else
799 num_found = 0;
800 }
801
802 while (!done_flag) {
803 enc_idx = _mapping_get_high_missing_et_idx(sc);
804 if (enc_idx == MPR_ENCTABLE_BAD_IDX)
805 return MPR_MAPTABLE_BAD_IDX;
806 enc_entry = &sc->enclosure_table[enc_idx];
807 /*VSP FIXME*/
808 enc_entry->skip_search = 1;
809 mt_entry = &sc->mapping_table[enc_entry->start_index];
810 for (map_idx = enc_entry->start_index; map_idx <
811 (enc_entry->start_index + enc_entry->num_slots); map_idx++,
812 mt_entry++)
813 mt_entry->device_info &= ~MPR_DEV_RESERVED;
814 found_space = 0;
815 for (map_idx = (max_num_phy_ids +
816 skip_count); map_idx < end_of_table; map_idx++) {
817 mt_entry = &sc->mapping_table[map_idx];
818 if (!(mt_entry->device_info & MPR_DEV_RESERVED)) {
819 num_found += 1;
820 if (num_found == et_entry->num_slots) {
821 start_idx = (map_idx - num_found) + 1;
822 found_space = 1;
823 }
824 } else
825 num_found = 0;
826 }
827
828 if (!found_space)
829 continue;
830 for (map_idx = start_idx; map_idx < (start_idx + num_found);
831 map_idx++) {
832 enc_entry = sc->enclosure_table;
833 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries;
834 enc_idx++, enc_entry++) {
835 if (map_idx < enc_entry->start_index ||
836 map_idx > (enc_entry->start_index +
837 enc_entry->num_slots))
838 continue;
839 if (!enc_entry->removal_flag) {
840 enc_entry->removal_flag = 1;
841 _mapping_add_to_removal_table(sc, 0,
842 enc_entry->dpm_entry_num);
843 }
844 mt_entry = &sc->mapping_table[map_idx];
845 if (mt_entry->device_info &
846 MPR_MAP_IN_USE) {
847 _mapping_add_to_removal_table(sc,
848 mt_entry->dev_handle, 0);
849 _mapping_clear_map_entry(mt_entry);
850 }
851 if (map_idx == (enc_entry->start_index +
852 enc_entry->num_slots - 1))
853 _mapping_clear_enc_entry(et_entry);
854 }
855 }
856 enc_entry = sc->enclosure_table;
857 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries;
858 enc_idx++, enc_entry++) {
859 if (!enc_entry->removal_flag) {
860 mt_entry = &sc->mapping_table[enc_entry->
861 start_index];
862 for (map_idx = enc_entry->start_index; map_idx <
863 (enc_entry->start_index +
864 enc_entry->num_slots); map_idx++,
865 mt_entry++)
866 mt_entry->device_info |=
867 MPR_DEV_RESERVED;
868 et_entry->skip_search = 0;
869 }
870 }
871 done_flag = 1;
872 }
873 return start_idx;
874 }
875
876 /**
877 * _mapping_get_dev_info -get information about newly added devices
878 * @sc: per adapter object
879 * @topo_change: Topology change event entry
880 *
881 * Search through the topology change event list and issues sas device pg0
882 * requests for the newly added device and reserved entries in tables
883 *
884 * Returns nothing
885 */
886 static void
_mapping_get_dev_info(struct mpr_softc * sc,struct _map_topology_change * topo_change)887 _mapping_get_dev_info(struct mpr_softc *sc,
888 struct _map_topology_change *topo_change)
889 {
890 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
891 Mpi2ConfigReply_t mpi_reply;
892 Mpi2SasDevicePage0_t sas_device_pg0;
893 u8 entry, enc_idx, phy_idx, sata_end_device;
894 u32 map_idx, index, device_info;
895 struct _map_phy_change *phy_change, *tmp_phy_change;
896 uint64_t sas_address;
897 struct enc_mapping_table *et_entry;
898 struct dev_mapping_table *mt_entry;
899 u8 add_code = MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED;
900 int rc = 1;
901
902 for (entry = 0; entry < topo_change->num_entries; entry++) {
903 phy_change = &topo_change->phy_details[entry];
904 if (phy_change->is_processed || !phy_change->dev_handle ||
905 phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED)
906 continue;
907 if (mpr_config_get_sas_device_pg0(sc, &mpi_reply,
908 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
909 phy_change->dev_handle)) {
910 phy_change->is_processed = 1;
911 continue;
912 }
913
914 /*
915 * Always get SATA Identify information because this is used
916 * to determine if Start/Stop Unit should be sent to the drive
917 * when the system is shutdown.
918 */
919 device_info = le32toh(sas_device_pg0.DeviceInfo);
920 sas_address = sas_device_pg0.SASAddress.High;
921 sas_address = (sas_address << 32) |
922 sas_device_pg0.SASAddress.Low;
923 sata_end_device = 0;
924 if ((device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE) &&
925 (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)) {
926 sata_end_device = 1;
927 rc = mprsas_get_sas_address_for_sata_disk(sc,
928 &sas_address, phy_change->dev_handle, device_info,
929 &phy_change->is_SATA_SSD);
930 if (rc) {
931 mpr_dprint(sc, MPR_ERROR, "%s: failed to get "
932 "disk type (SSD or HDD) and SAS Address "
933 "for SATA device with handle 0x%04x\n",
934 __func__, phy_change->dev_handle);
935 } else {
936 mpr_dprint(sc, MPR_INFO, "SAS Address for SATA "
937 "device = %jx\n", sas_address);
938 }
939 }
940
941 phy_change->physical_id = sas_address;
942 phy_change->slot = le16toh(sas_device_pg0.Slot);
943 phy_change->device_info = le32toh(sas_device_pg0.DeviceInfo);
944
945 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
946 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
947 enc_idx = _mapping_get_enc_idx_from_handle(sc,
948 topo_change->enc_handle);
949 if (enc_idx == MPR_ENCTABLE_BAD_IDX) {
950 phy_change->is_processed = 1;
951 mpr_dprint(sc, MPR_MAPPING, "%s: failed to add "
952 "the device with handle 0x%04x because the "
953 "enclosure is not in the mapping table\n",
954 __func__, phy_change->dev_handle);
955 continue;
956 }
957 if (!((phy_change->device_info &
958 MPI2_SAS_DEVICE_INFO_END_DEVICE) &&
959 (phy_change->device_info &
960 (MPI2_SAS_DEVICE_INFO_SSP_TARGET |
961 MPI2_SAS_DEVICE_INFO_STP_TARGET |
962 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))) {
963 phy_change->is_processed = 1;
964 continue;
965 }
966 et_entry = &sc->enclosure_table[enc_idx];
967 if (et_entry->start_index != MPR_MAPTABLE_BAD_IDX)
968 continue;
969 if (!topo_change->exp_handle) {
970 map_idx = sc->num_rsvd_entries;
971 et_entry->start_index = map_idx;
972 } else {
973 map_idx = _mapping_find_enc_map_space(sc,
974 et_entry);
975 et_entry->start_index = map_idx;
976 if (et_entry->start_index ==
977 MPR_MAPTABLE_BAD_IDX) {
978 phy_change->is_processed = 1;
979 for (phy_idx = 0; phy_idx <
980 topo_change->num_entries;
981 phy_idx++) {
982 tmp_phy_change =
983 &topo_change->phy_details
984 [phy_idx];
985 if (tmp_phy_change->reason ==
986 add_code)
987 tmp_phy_change->
988 is_processed = 1;
989 }
990 break;
991 }
992 }
993 mt_entry = &sc->mapping_table[map_idx];
994 for (index = map_idx; index < (et_entry->num_slots
995 + map_idx); index++, mt_entry++) {
996 mt_entry->device_info = MPR_DEV_RESERVED;
997 mt_entry->physical_id = et_entry->enclosure_id;
998 mt_entry->phy_bits = et_entry->phy_bits;
999 }
1000 }
1001 }
1002 }
1003
1004 /**
1005 * _mapping_set_mid_to_eid -set map table data from enclosure table
1006 * @sc: per adapter object
1007 * @et_entry: enclosure entry
1008 *
1009 * Returns nothing
1010 */
1011 static inline void
_mapping_set_mid_to_eid(struct mpr_softc * sc,struct enc_mapping_table * et_entry)1012 _mapping_set_mid_to_eid(struct mpr_softc *sc,
1013 struct enc_mapping_table *et_entry)
1014 {
1015 struct dev_mapping_table *mt_entry;
1016 u16 slots = et_entry->num_slots, map_idx;
1017 u32 start_idx = et_entry->start_index;
1018 if (start_idx != MPR_MAPTABLE_BAD_IDX) {
1019 mt_entry = &sc->mapping_table[start_idx];
1020 for (map_idx = 0; map_idx < slots; map_idx++, mt_entry++)
1021 mt_entry->physical_id = et_entry->enclosure_id;
1022 }
1023 }
1024
1025 /**
1026 * _mapping_clear_removed_entries - mark the entries to be cleared
1027 * @sc: per adapter object
1028 *
1029 * Search through the removal table and mark the entries which needs to be
1030 * flushed to DPM and also updates the map table and enclosure table by
1031 * clearing the corresponding entries.
1032 *
1033 * Returns nothing
1034 */
1035 static void
_mapping_clear_removed_entries(struct mpr_softc * sc)1036 _mapping_clear_removed_entries(struct mpr_softc *sc)
1037 {
1038 u32 remove_idx;
1039 struct map_removal_table *remove_entry;
1040 Mpi2DriverMap0Entry_t *dpm_entry;
1041 u8 done_flag = 0, num_entries, m, i;
1042 struct enc_mapping_table *et_entry, *from, *to;
1043 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1044
1045 if (sc->is_dpm_enable) {
1046 remove_entry = sc->removal_table;
1047 for (remove_idx = 0; remove_idx < sc->max_devices;
1048 remove_idx++, remove_entry++) {
1049 if (remove_entry->dpm_entry_num != MPR_DPM_BAD_IDX) {
1050 dpm_entry = (Mpi2DriverMap0Entry_t *)
1051 ((u8 *) sc->dpm_pg0 +
1052 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1053 dpm_entry += remove_entry->dpm_entry_num;
1054 dpm_entry->PhysicalIdentifier.Low = 0;
1055 dpm_entry->PhysicalIdentifier.High = 0;
1056 dpm_entry->DeviceIndex = 0;
1057 dpm_entry->MappingInformation = 0;
1058 dpm_entry->PhysicalBitsMapping = 0;
1059 sc->dpm_flush_entry[remove_entry->
1060 dpm_entry_num] = 1;
1061 sc->dpm_entry_used[remove_entry->dpm_entry_num]
1062 = 0;
1063 remove_entry->dpm_entry_num = MPR_DPM_BAD_IDX;
1064 }
1065 }
1066 }
1067 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1068 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1069 num_entries = sc->num_enc_table_entries;
1070 while (!done_flag) {
1071 done_flag = 1;
1072 et_entry = sc->enclosure_table;
1073 for (i = 0; i < num_entries; i++, et_entry++) {
1074 if (!et_entry->enc_handle && et_entry->
1075 init_complete) {
1076 done_flag = 0;
1077 if (i != (num_entries - 1)) {
1078 from = &sc->enclosure_table
1079 [i+1];
1080 to = &sc->enclosure_table[i];
1081 for (m = i; m < (num_entries -
1082 1); m++, from++, to++) {
1083 _mapping_set_mid_to_eid
1084 (sc, to);
1085 *to = *from;
1086 }
1087 _mapping_clear_enc_entry(to);
1088 sc->num_enc_table_entries--;
1089 num_entries =
1090 sc->num_enc_table_entries;
1091 } else {
1092 _mapping_clear_enc_entry
1093 (et_entry);
1094 sc->num_enc_table_entries--;
1095 num_entries =
1096 sc->num_enc_table_entries;
1097 }
1098 }
1099 }
1100 }
1101 }
1102 }
1103
1104 /**
1105 * _mapping_add_new_device -Add the new device into mapping table
1106 * @sc: per adapter object
1107 * @topo_change: Topology change event entry
1108 *
1109 * Search through the topology change event list and updates map table,
1110 * enclosure table and DPM pages for for the newly added devices.
1111 *
1112 * Returns nothing
1113 */
1114 static void
_mapping_add_new_device(struct mpr_softc * sc,struct _map_topology_change * topo_change)1115 _mapping_add_new_device(struct mpr_softc *sc,
1116 struct _map_topology_change *topo_change)
1117 {
1118 u8 enc_idx, missing_cnt, is_removed = 0;
1119 u16 dpm_idx;
1120 u32 search_idx, map_idx;
1121 u32 entry;
1122 struct dev_mapping_table *mt_entry;
1123 struct enc_mapping_table *et_entry;
1124 struct _map_phy_change *phy_change;
1125 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1126 Mpi2DriverMap0Entry_t *dpm_entry;
1127 uint64_t temp64_var;
1128 u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
1129 u8 hdr_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER);
1130 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
1131
1132 for (entry = 0; entry < topo_change->num_entries; entry++) {
1133 phy_change = &topo_change->phy_details[entry];
1134 if (phy_change->is_processed)
1135 continue;
1136 if (phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED ||
1137 !phy_change->dev_handle) {
1138 phy_change->is_processed = 1;
1139 continue;
1140 }
1141 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1142 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1143 enc_idx = _mapping_get_enc_idx_from_handle
1144 (sc, topo_change->enc_handle);
1145 if (enc_idx == MPR_ENCTABLE_BAD_IDX) {
1146 phy_change->is_processed = 1;
1147 printf("%s: failed to add the device with "
1148 "handle 0x%04x because the enclosure is "
1149 "not in the mapping table\n", __func__,
1150 phy_change->dev_handle);
1151 continue;
1152 }
1153 et_entry = &sc->enclosure_table[enc_idx];
1154 if (et_entry->start_index == MPR_MAPTABLE_BAD_IDX) {
1155 phy_change->is_processed = 1;
1156 if (!sc->mt_full_retry) {
1157 sc->mt_add_device_failed = 1;
1158 continue;
1159 }
1160 printf("%s: failed to add the device with "
1161 "handle 0x%04x because there is no free "
1162 "space available in the mapping table\n",
1163 __func__, phy_change->dev_handle);
1164 continue;
1165 }
1166 map_idx = et_entry->start_index + phy_change->slot -
1167 et_entry->start_slot;
1168 mt_entry = &sc->mapping_table[map_idx];
1169 mt_entry->physical_id = phy_change->physical_id;
1170 mt_entry->channel = 0;
1171 mt_entry->id = map_idx;
1172 mt_entry->dev_handle = phy_change->dev_handle;
1173 mt_entry->missing_count = 0;
1174 mt_entry->dpm_entry_num = et_entry->dpm_entry_num;
1175 mt_entry->device_info = phy_change->device_info |
1176 (MPR_DEV_RESERVED | MPR_MAP_IN_USE);
1177 if (sc->is_dpm_enable) {
1178 dpm_idx = et_entry->dpm_entry_num;
1179 if (dpm_idx == MPR_DPM_BAD_IDX)
1180 dpm_idx = _mapping_get_dpm_idx_from_id
1181 (sc, et_entry->enclosure_id,
1182 et_entry->phy_bits);
1183 if (dpm_idx == MPR_DPM_BAD_IDX) {
1184 dpm_idx = _mapping_get_free_dpm_idx(sc);
1185 if (dpm_idx != MPR_DPM_BAD_IDX) {
1186 dpm_entry =
1187 (Mpi2DriverMap0Entry_t *)
1188 ((u8 *) sc->dpm_pg0 +
1189 hdr_sz);
1190 dpm_entry += dpm_idx;
1191 dpm_entry->
1192 PhysicalIdentifier.Low =
1193 (0xFFFFFFFF &
1194 et_entry->enclosure_id);
1195 dpm_entry->
1196 PhysicalIdentifier.High =
1197 ( et_entry->enclosure_id
1198 >> 32);
1199 dpm_entry->DeviceIndex =
1200 (U16)et_entry->start_index;
1201 dpm_entry->MappingInformation =
1202 et_entry->num_slots;
1203 dpm_entry->MappingInformation
1204 <<= map_shift;
1205 dpm_entry->PhysicalBitsMapping
1206 = et_entry->phy_bits;
1207 et_entry->dpm_entry_num =
1208 dpm_idx;
1209 /* FIXME Do I need to set the dpm_idxin mt_entry too */
1210 sc->dpm_entry_used[dpm_idx] = 1;
1211 sc->dpm_flush_entry[dpm_idx] =
1212 1;
1213 phy_change->is_processed = 1;
1214 } else {
1215 phy_change->is_processed = 1;
1216 mpr_dprint(sc, MPR_INFO, "%s: "
1217 "failed to add the device "
1218 "with handle 0x%04x to "
1219 "persistent table because "
1220 "there is no free space "
1221 "available\n", __func__,
1222 phy_change->dev_handle);
1223 }
1224 } else {
1225 et_entry->dpm_entry_num = dpm_idx;
1226 mt_entry->dpm_entry_num = dpm_idx;
1227 }
1228 }
1229 /* FIXME Why not mt_entry too? */
1230 et_entry->init_complete = 1;
1231 } else if ((ioc_pg8_flags &
1232 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1233 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
1234 map_idx = _mapping_get_mt_idx_from_id
1235 (sc, phy_change->physical_id);
1236 if (map_idx == MPR_MAPTABLE_BAD_IDX) {
1237 search_idx = sc->num_rsvd_entries;
1238 if (topo_change->exp_handle)
1239 search_idx += max_num_phy_ids;
1240 map_idx = _mapping_get_free_mt_idx(sc,
1241 search_idx);
1242 }
1243 if (map_idx == MPR_MAPTABLE_BAD_IDX) {
1244 map_idx = _mapping_get_high_missing_mt_idx(sc);
1245 if (map_idx != MPR_MAPTABLE_BAD_IDX) {
1246 mt_entry = &sc->mapping_table[map_idx];
1247 if (mt_entry->dev_handle) {
1248 _mapping_add_to_removal_table
1249 (sc, mt_entry->dev_handle,
1250 0);
1251 is_removed = 1;
1252 }
1253 mt_entry->init_complete = 0;
1254 }
1255 }
1256 if (map_idx != MPR_MAPTABLE_BAD_IDX) {
1257 mt_entry = &sc->mapping_table[map_idx];
1258 mt_entry->physical_id = phy_change->physical_id;
1259 mt_entry->channel = 0;
1260 mt_entry->id = map_idx;
1261 mt_entry->dev_handle = phy_change->dev_handle;
1262 mt_entry->missing_count = 0;
1263 mt_entry->device_info = phy_change->device_info
1264 | (MPR_DEV_RESERVED | MPR_MAP_IN_USE);
1265 } else {
1266 phy_change->is_processed = 1;
1267 if (!sc->mt_full_retry) {
1268 sc->mt_add_device_failed = 1;
1269 continue;
1270 }
1271 printf("%s: failed to add the device with "
1272 "handle 0x%04x because there is no free "
1273 "space available in the mapping table\n",
1274 __func__, phy_change->dev_handle);
1275 continue;
1276 }
1277 if (sc->is_dpm_enable) {
1278 if (mt_entry->dpm_entry_num !=
1279 MPR_DPM_BAD_IDX) {
1280 dpm_idx = mt_entry->dpm_entry_num;
1281 dpm_entry = (Mpi2DriverMap0Entry_t *)
1282 ((u8 *)sc->dpm_pg0 + hdr_sz);
1283 dpm_entry += dpm_idx;
1284 missing_cnt = dpm_entry->
1285 MappingInformation &
1286 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
1287 temp64_var = dpm_entry->
1288 PhysicalIdentifier.High;
1289 temp64_var = (temp64_var << 32) |
1290 dpm_entry->PhysicalIdentifier.Low;
1291 if ((mt_entry->physical_id ==
1292 temp64_var) && !missing_cnt)
1293 mt_entry->init_complete = 1;
1294 } else {
1295 dpm_idx = _mapping_get_free_dpm_idx(sc);
1296 mt_entry->init_complete = 0;
1297 }
1298 if (dpm_idx != MPR_DPM_BAD_IDX &&
1299 !mt_entry->init_complete) {
1300 mt_entry->init_complete = 1;
1301 mt_entry->dpm_entry_num = dpm_idx;
1302 dpm_entry = (Mpi2DriverMap0Entry_t *)
1303 ((u8 *)sc->dpm_pg0 + hdr_sz);
1304 dpm_entry += dpm_idx;
1305 dpm_entry->PhysicalIdentifier.Low =
1306 (0xFFFFFFFF &
1307 mt_entry->physical_id);
1308 dpm_entry->PhysicalIdentifier.High =
1309 (mt_entry->physical_id >> 32);
1310 dpm_entry->DeviceIndex = (U16) map_idx;
1311 dpm_entry->MappingInformation = 0;
1312 dpm_entry->PhysicalBitsMapping = 0;
1313 sc->dpm_entry_used[dpm_idx] = 1;
1314 sc->dpm_flush_entry[dpm_idx] = 1;
1315 phy_change->is_processed = 1;
1316 } else if (dpm_idx == MPR_DPM_BAD_IDX) {
1317 phy_change->is_processed = 1;
1318 mpr_dprint(sc, MPR_INFO, "%s: "
1319 "failed to add the device "
1320 "with handle 0x%04x to "
1321 "persistent table because "
1322 "there is no free space "
1323 "available\n", __func__,
1324 phy_change->dev_handle);
1325 }
1326 }
1327 mt_entry->init_complete = 1;
1328 }
1329
1330 phy_change->is_processed = 1;
1331 }
1332 if (is_removed)
1333 _mapping_clear_removed_entries(sc);
1334 }
1335
1336 /**
1337 * _mapping_flush_dpm_pages -Flush the DPM pages to NVRAM
1338 * @sc: per adapter object
1339 *
1340 * Returns nothing
1341 */
1342 static void
_mapping_flush_dpm_pages(struct mpr_softc * sc)1343 _mapping_flush_dpm_pages(struct mpr_softc *sc)
1344 {
1345 Mpi2DriverMap0Entry_t *dpm_entry;
1346 Mpi2ConfigReply_t mpi_reply;
1347 Mpi2DriverMappingPage0_t config_page;
1348 u16 entry_num;
1349
1350 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) {
1351 if (!sc->dpm_flush_entry[entry_num])
1352 continue;
1353 memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t));
1354 memcpy(&config_page.Header, (u8 *)sc->dpm_pg0,
1355 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1356 dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 +
1357 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1358 dpm_entry += entry_num;
1359 dpm_entry->MappingInformation = htole16(dpm_entry->
1360 MappingInformation);
1361 dpm_entry->DeviceIndex = htole16(dpm_entry->DeviceIndex);
1362 dpm_entry->PhysicalBitsMapping = htole32(dpm_entry->
1363 PhysicalBitsMapping);
1364 memcpy(&config_page.Entry, (u8 *)dpm_entry,
1365 sizeof(Mpi2DriverMap0Entry_t));
1366 /* TODO-How to handle failed writes? */
1367 if (mpr_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
1368 entry_num)) {
1369 printf("%s: write of dpm entry %d for device failed\n",
1370 __func__, entry_num);
1371 } else
1372 sc->dpm_flush_entry[entry_num] = 0;
1373 dpm_entry->MappingInformation = le16toh(dpm_entry->
1374 MappingInformation);
1375 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
1376 dpm_entry->PhysicalBitsMapping = le32toh(dpm_entry->
1377 PhysicalBitsMapping);
1378 }
1379 }
1380
1381 /**
1382 * _mapping_allocate_memory- allocates the memory required for mapping tables
1383 * @sc: per adapter object
1384 *
1385 * Allocates the memory for all the tables required for host mapping
1386 *
1387 * Return 0 on success or non-zero on failure.
1388 */
1389 int
mpr_mapping_allocate_memory(struct mpr_softc * sc)1390 mpr_mapping_allocate_memory(struct mpr_softc *sc)
1391 {
1392 uint32_t dpm_pg0_sz;
1393
1394 sc->mapping_table = malloc((sizeof(struct dev_mapping_table) *
1395 sc->max_devices), M_MPR, M_ZERO|M_NOWAIT);
1396 if (!sc->mapping_table)
1397 goto free_resources;
1398
1399 sc->removal_table = malloc((sizeof(struct map_removal_table) *
1400 sc->max_devices), M_MPR, M_ZERO|M_NOWAIT);
1401 if (!sc->removal_table)
1402 goto free_resources;
1403
1404 sc->enclosure_table = malloc((sizeof(struct enc_mapping_table) *
1405 sc->max_enclosures), M_MPR, M_ZERO|M_NOWAIT);
1406 if (!sc->enclosure_table)
1407 goto free_resources;
1408
1409 sc->dpm_entry_used = malloc((sizeof(u8) * sc->max_dpm_entries),
1410 M_MPR, M_ZERO|M_NOWAIT);
1411 if (!sc->dpm_entry_used)
1412 goto free_resources;
1413
1414 sc->dpm_flush_entry = malloc((sizeof(u8) * sc->max_dpm_entries),
1415 M_MPR, M_ZERO|M_NOWAIT);
1416 if (!sc->dpm_flush_entry)
1417 goto free_resources;
1418
1419 dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) +
1420 (sc->max_dpm_entries * sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY));
1421
1422 sc->dpm_pg0 = malloc(dpm_pg0_sz, M_MPR, M_ZERO|M_NOWAIT);
1423 if (!sc->dpm_pg0) {
1424 printf("%s: memory alloc failed for dpm page; disabling dpm\n",
1425 __func__);
1426 sc->is_dpm_enable = 0;
1427 }
1428
1429 return 0;
1430
1431 free_resources:
1432 free(sc->mapping_table, M_MPR);
1433 free(sc->removal_table, M_MPR);
1434 free(sc->enclosure_table, M_MPR);
1435 free(sc->dpm_entry_used, M_MPR);
1436 free(sc->dpm_flush_entry, M_MPR);
1437 free(sc->dpm_pg0, M_MPR);
1438 printf("%s: device initialization failed due to failure in mapping "
1439 "table memory allocation\n", __func__);
1440 return -1;
1441 }
1442
1443 /**
1444 * mpr_mapping_free_memory- frees the memory allocated for mapping tables
1445 * @sc: per adapter object
1446 *
1447 * Returns nothing.
1448 */
1449 void
mpr_mapping_free_memory(struct mpr_softc * sc)1450 mpr_mapping_free_memory(struct mpr_softc *sc)
1451 {
1452 free(sc->mapping_table, M_MPR);
1453 free(sc->removal_table, M_MPR);
1454 free(sc->enclosure_table, M_MPR);
1455 free(sc->dpm_entry_used, M_MPR);
1456 free(sc->dpm_flush_entry, M_MPR);
1457 free(sc->dpm_pg0, M_MPR);
1458 }
1459
1460
1461 static void
_mapping_process_dpm_pg0(struct mpr_softc * sc)1462 _mapping_process_dpm_pg0(struct mpr_softc *sc)
1463 {
1464 u8 missing_cnt, enc_idx;
1465 u16 slot_id, entry_num, num_slots;
1466 u32 map_idx, dev_idx, start_idx, end_idx;
1467 struct dev_mapping_table *mt_entry;
1468 Mpi2DriverMap0Entry_t *dpm_entry;
1469 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1470 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
1471 struct enc_mapping_table *et_entry;
1472 u64 physical_id;
1473 u32 phy_bits = 0;
1474
1475 if (sc->ir_firmware)
1476 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
1477
1478 dpm_entry = (Mpi2DriverMap0Entry_t *) ((uint8_t *) sc->dpm_pg0 +
1479 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1480 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++,
1481 dpm_entry++) {
1482 physical_id = dpm_entry->PhysicalIdentifier.High;
1483 physical_id = (physical_id << 32) |
1484 dpm_entry->PhysicalIdentifier.Low;
1485 if (!physical_id) {
1486 sc->dpm_entry_used[entry_num] = 0;
1487 continue;
1488 }
1489 sc->dpm_entry_used[entry_num] = 1;
1490 dpm_entry->MappingInformation = le16toh(dpm_entry->
1491 MappingInformation);
1492 missing_cnt = dpm_entry->MappingInformation &
1493 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
1494 dev_idx = le16toh(dpm_entry->DeviceIndex);
1495 phy_bits = le32toh(dpm_entry->PhysicalBitsMapping);
1496 if (sc->ir_firmware && (dev_idx >= start_idx) &&
1497 (dev_idx <= end_idx)) {
1498 mt_entry = &sc->mapping_table[dev_idx];
1499 mt_entry->physical_id = dpm_entry->PhysicalIdentifier.High;
1500 mt_entry->physical_id = (mt_entry->physical_id << 32) |
1501 dpm_entry->PhysicalIdentifier.Low;
1502 mt_entry->channel = MPR_RAID_CHANNEL;
1503 mt_entry->id = dev_idx;
1504 mt_entry->missing_count = missing_cnt;
1505 mt_entry->dpm_entry_num = entry_num;
1506 mt_entry->device_info = MPR_DEV_RESERVED;
1507 continue;
1508 }
1509 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1510 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1511 if (dev_idx < (sc->num_rsvd_entries +
1512 max_num_phy_ids)) {
1513 slot_id = 0;
1514 if (ioc_pg8_flags &
1515 MPI2_IOCPAGE8_FLAGS_DA_START_SLOT_1)
1516 slot_id = 1;
1517 num_slots = max_num_phy_ids;
1518 } else {
1519 slot_id = 0;
1520 num_slots = dpm_entry->MappingInformation &
1521 MPI2_DRVMAP0_MAPINFO_SLOT_MASK;
1522 num_slots >>= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
1523 }
1524 enc_idx = sc->num_enc_table_entries;
1525 if (enc_idx >= sc->max_enclosures) {
1526 printf("%s: enclosure entries exceed max "
1527 "enclosures of %d\n", __func__,
1528 sc->max_enclosures);
1529 break;
1530 }
1531 sc->num_enc_table_entries++;
1532 et_entry = &sc->enclosure_table[enc_idx];
1533 physical_id = dpm_entry->PhysicalIdentifier.High;
1534 et_entry->enclosure_id = (physical_id << 32) |
1535 dpm_entry->PhysicalIdentifier.Low;
1536 et_entry->start_index = dev_idx;
1537 et_entry->dpm_entry_num = entry_num;
1538 et_entry->num_slots = num_slots;
1539 et_entry->start_slot = slot_id;
1540 et_entry->missing_count = missing_cnt;
1541 et_entry->phy_bits = phy_bits;
1542
1543 mt_entry = &sc->mapping_table[dev_idx];
1544 for (map_idx = dev_idx; map_idx < (dev_idx + num_slots);
1545 map_idx++, mt_entry++) {
1546 if (mt_entry->dpm_entry_num !=
1547 MPR_DPM_BAD_IDX) {
1548 printf("%s: conflict in mapping table "
1549 "for enclosure %d\n", __func__,
1550 enc_idx);
1551 break;
1552 }
1553 physical_id = dpm_entry->PhysicalIdentifier.High;
1554 mt_entry->physical_id = (physical_id << 32) |
1555 dpm_entry->PhysicalIdentifier.Low;
1556 mt_entry->phy_bits = phy_bits;
1557 mt_entry->channel = 0;
1558 mt_entry->id = dev_idx;
1559 mt_entry->dpm_entry_num = entry_num;
1560 mt_entry->missing_count = missing_cnt;
1561 mt_entry->device_info = MPR_DEV_RESERVED;
1562 }
1563 } else if ((ioc_pg8_flags &
1564 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1565 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
1566 map_idx = dev_idx;
1567 mt_entry = &sc->mapping_table[map_idx];
1568 if (mt_entry->dpm_entry_num != MPR_DPM_BAD_IDX) {
1569 printf("%s: conflict in mapping table for "
1570 "device %d\n", __func__, map_idx);
1571 break;
1572 }
1573 physical_id = dpm_entry->PhysicalIdentifier.High;
1574 mt_entry->physical_id = (physical_id << 32) |
1575 dpm_entry->PhysicalIdentifier.Low;
1576 mt_entry->phy_bits = phy_bits;
1577 mt_entry->channel = 0;
1578 mt_entry->id = dev_idx;
1579 mt_entry->missing_count = missing_cnt;
1580 mt_entry->dpm_entry_num = entry_num;
1581 mt_entry->device_info = MPR_DEV_RESERVED;
1582 }
1583 } /*close the loop for DPM table */
1584 }
1585
1586 /*
1587 * mpr_mapping_check_devices - start of the day check for device availabilty
1588 * @sc: per adapter object
1589 * @sleep_flag: Flag indicating whether this function can sleep or not
1590 *
1591 * Returns nothing.
1592 */
1593 void
mpr_mapping_check_devices(struct mpr_softc * sc,int sleep_flag)1594 mpr_mapping_check_devices(struct mpr_softc *sc, int sleep_flag)
1595 {
1596 u32 i;
1597 /* u32 cntdn, i;
1598 u32 timeout = 60;*/
1599 struct dev_mapping_table *mt_entry;
1600 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1601 struct enc_mapping_table *et_entry;
1602 u32 start_idx, end_idx;
1603
1604 /* We need to ucomment this when this function is called
1605 * from the port enable complete */
1606 #if 0
1607 sc->track_mapping_events = 0;
1608 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
1609 do {
1610 if (!sc->pending_map_events)
1611 break;
1612 if (sleep_flag == CAN_SLEEP)
1613 pause("mpr_pause", (hz/1000));/* 1msec sleep */
1614 else
1615 DELAY(500); /* 500 useconds delay */
1616 } while (--cntdn);
1617
1618
1619 if (!cntdn)
1620 printf("%s: there are %d"
1621 " pending events after %d seconds of delay\n",
1622 __func__, sc->pending_map_events, timeout);
1623 #endif
1624 sc->pending_map_events = 0;
1625
1626 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1627 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1628 et_entry = sc->enclosure_table;
1629 for (i = 0; i < sc->num_enc_table_entries; i++, et_entry++) {
1630 if (!et_entry->init_complete) {
1631 if (et_entry->missing_count <
1632 MPR_MAX_MISSING_COUNT) {
1633 et_entry->missing_count++;
1634 if (et_entry->dpm_entry_num !=
1635 MPR_DPM_BAD_IDX)
1636 _mapping_commit_enc_entry(sc,
1637 et_entry);
1638 }
1639 et_entry->init_complete = 1;
1640 }
1641 }
1642 if (!sc->ir_firmware)
1643 return;
1644 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
1645 mt_entry = &sc->mapping_table[start_idx];
1646 for (i = start_idx; i < (end_idx + 1); i++, mt_entry++) {
1647 if (mt_entry->device_info & MPR_DEV_RESERVED
1648 && !mt_entry->physical_id)
1649 mt_entry->init_complete = 1;
1650 else if (mt_entry->device_info & MPR_DEV_RESERVED) {
1651 if (!mt_entry->init_complete) {
1652 if (mt_entry->missing_count <
1653 MPR_MAX_MISSING_COUNT) {
1654 mt_entry->missing_count++;
1655 if (mt_entry->dpm_entry_num !=
1656 MPR_DPM_BAD_IDX)
1657 _mapping_commit_map_entry(sc,
1658 mt_entry);
1659 }
1660 mt_entry->init_complete = 1;
1661 }
1662 }
1663 }
1664 } else if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1665 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
1666 mt_entry = sc->mapping_table;
1667 for (i = 0; i < sc->max_devices; i++, mt_entry++) {
1668 if (mt_entry->device_info & MPR_DEV_RESERVED
1669 && !mt_entry->physical_id)
1670 mt_entry->init_complete = 1;
1671 else if (mt_entry->device_info & MPR_DEV_RESERVED) {
1672 if (!mt_entry->init_complete) {
1673 if (mt_entry->missing_count <
1674 MPR_MAX_MISSING_COUNT) {
1675 mt_entry->missing_count++;
1676 if (mt_entry->dpm_entry_num !=
1677 MPR_DPM_BAD_IDX)
1678 _mapping_commit_map_entry(sc,
1679 mt_entry);
1680 }
1681 mt_entry->init_complete = 1;
1682 }
1683 }
1684 }
1685 }
1686 }
1687
1688
1689 /**
1690 * mpr_mapping_is_reinit_required - check whether event replay required
1691 * @sc: per adapter object
1692 *
1693 * Checks the per ioc flags and decide whether reinit of events required
1694 *
1695 * Returns 1 for reinit of ioc 0 for not.
1696 */
mpr_mapping_is_reinit_required(struct mpr_softc * sc)1697 int mpr_mapping_is_reinit_required(struct mpr_softc *sc)
1698 {
1699 if (!sc->mt_full_retry && sc->mt_add_device_failed) {
1700 sc->mt_full_retry = 1;
1701 sc->mt_add_device_failed = 0;
1702 _mapping_flush_dpm_pages(sc);
1703 return 1;
1704 }
1705 sc->mt_full_retry = 1;
1706 return 0;
1707 }
1708
1709 /**
1710 * mpr_mapping_initialize - initialize mapping tables
1711 * @sc: per adapter object
1712 *
1713 * Read controller persitant mapping tables into internal data area.
1714 *
1715 * Return 0 for success or non-zero for failure.
1716 */
1717 int
mpr_mapping_initialize(struct mpr_softc * sc)1718 mpr_mapping_initialize(struct mpr_softc *sc)
1719 {
1720 uint16_t volume_mapping_flags, dpm_pg0_sz;
1721 uint32_t i;
1722 Mpi2ConfigReply_t mpi_reply;
1723 int error;
1724 uint8_t retry_count;
1725 uint16_t ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1726
1727 /* The additional 1 accounts for the virtual enclosure
1728 * created for the controller
1729 */
1730 sc->max_enclosures = sc->facts->MaxEnclosures + 1;
1731 sc->max_expanders = sc->facts->MaxSasExpanders;
1732 sc->max_volumes = sc->facts->MaxVolumes;
1733 sc->max_devices = sc->facts->MaxTargets + sc->max_volumes;
1734 sc->pending_map_events = 0;
1735 sc->num_enc_table_entries = 0;
1736 sc->num_rsvd_entries = 0;
1737 sc->num_channels = 1;
1738 sc->max_dpm_entries = sc->ioc_pg8.MaxPersistentEntries;
1739 sc->is_dpm_enable = (sc->max_dpm_entries) ? 1 : 0;
1740 sc->track_mapping_events = 0;
1741
1742 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_DISABLE_PERSISTENT_MAPPING)
1743 sc->is_dpm_enable = 0;
1744
1745 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
1746 sc->num_rsvd_entries = 1;
1747
1748 volume_mapping_flags = sc->ioc_pg8.IRVolumeMappingFlags &
1749 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
1750 if (sc->ir_firmware && (volume_mapping_flags ==
1751 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING))
1752 sc->num_rsvd_entries += sc->max_volumes;
1753
1754 error = mpr_mapping_allocate_memory(sc);
1755 if (error)
1756 return (error);
1757
1758 for (i = 0; i < sc->max_devices; i++)
1759 _mapping_clear_map_entry(sc->mapping_table + i);
1760
1761 for (i = 0; i < sc->max_enclosures; i++)
1762 _mapping_clear_enc_entry(sc->enclosure_table + i);
1763
1764 for (i = 0; i < sc->max_devices; i++) {
1765 sc->removal_table[i].dev_handle = 0;
1766 sc->removal_table[i].dpm_entry_num = MPR_DPM_BAD_IDX;
1767 }
1768
1769 memset(sc->dpm_entry_used, 0, sc->max_dpm_entries);
1770 memset(sc->dpm_flush_entry, 0, sc->max_dpm_entries);
1771
1772 if (sc->is_dpm_enable) {
1773 dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) +
1774 (sc->max_dpm_entries *
1775 sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY));
1776 retry_count = 0;
1777
1778 retry_read_dpm:
1779 if (mpr_config_get_dpm_pg0(sc, &mpi_reply, sc->dpm_pg0,
1780 dpm_pg0_sz)) {
1781 printf("%s: dpm page read failed; disabling dpm\n",
1782 __func__);
1783 if (retry_count < 3) {
1784 retry_count++;
1785 goto retry_read_dpm;
1786 }
1787 sc->is_dpm_enable = 0;
1788 }
1789 }
1790
1791 if (sc->is_dpm_enable)
1792 _mapping_process_dpm_pg0(sc);
1793
1794 sc->track_mapping_events = 1;
1795 return 0;
1796 }
1797
1798 /**
1799 * mpr_mapping_exit - clear mapping table and associated memory
1800 * @sc: per adapter object
1801 *
1802 * Returns nothing.
1803 */
1804 void
mpr_mapping_exit(struct mpr_softc * sc)1805 mpr_mapping_exit(struct mpr_softc *sc)
1806 {
1807 _mapping_flush_dpm_pages(sc);
1808 mpr_mapping_free_memory(sc);
1809 }
1810
1811 /**
1812 * mpr_mapping_get_sas_id - assign a target id for sas device
1813 * @sc: per adapter object
1814 * @sas_address: sas address of the device
1815 * @handle: device handle
1816 *
1817 * Returns valid ID on success or BAD_ID.
1818 */
1819 unsigned int
mpr_mapping_get_sas_id(struct mpr_softc * sc,uint64_t sas_address,u16 handle)1820 mpr_mapping_get_sas_id(struct mpr_softc *sc, uint64_t sas_address, u16 handle)
1821 {
1822 u32 map_idx;
1823 struct dev_mapping_table *mt_entry;
1824
1825 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
1826 mt_entry = &sc->mapping_table[map_idx];
1827 if (mt_entry->dev_handle == handle && mt_entry->physical_id ==
1828 sas_address)
1829 return mt_entry->id;
1830 }
1831
1832 return MPR_MAP_BAD_ID;
1833 }
1834
1835 /**
1836 * mpr_mapping_get_sas_id_from_handle - find a target id in mapping table using
1837 * only the dev handle. This is just a wrapper function for the local function
1838 * _mapping_get_mt_idx_from_handle.
1839 * @sc: per adapter object
1840 * @handle: device handle
1841 *
1842 * Returns valid ID on success or BAD_ID.
1843 */
1844 unsigned int
mpr_mapping_get_sas_id_from_handle(struct mpr_softc * sc,u16 handle)1845 mpr_mapping_get_sas_id_from_handle(struct mpr_softc *sc, u16 handle)
1846 {
1847 return (_mapping_get_mt_idx_from_handle(sc, handle));
1848 }
1849
1850 /**
1851 * mpr_mapping_get_raid_id - assign a target id for raid device
1852 * @sc: per adapter object
1853 * @wwid: world wide identifier for raid volume
1854 * @handle: device handle
1855 *
1856 * Returns valid ID on success or BAD_ID.
1857 */
1858 unsigned int
mpr_mapping_get_raid_id(struct mpr_softc * sc,u64 wwid,u16 handle)1859 mpr_mapping_get_raid_id(struct mpr_softc *sc, u64 wwid, u16 handle)
1860 {
1861 u32 map_idx;
1862 struct dev_mapping_table *mt_entry;
1863
1864 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
1865 mt_entry = &sc->mapping_table[map_idx];
1866 if (mt_entry->dev_handle == handle && mt_entry->physical_id ==
1867 wwid)
1868 return mt_entry->id;
1869 }
1870
1871 return MPR_MAP_BAD_ID;
1872 }
1873
1874 /**
1875 * mpr_mapping_get_raid_id_from_handle - find raid device in mapping table
1876 * using only the volume dev handle. This is just a wrapper function for the
1877 * local function _mapping_get_ir_mt_idx_from_handle.
1878 * @sc: per adapter object
1879 * @volHandle: volume device handle
1880 *
1881 * Returns valid ID on success or BAD_ID.
1882 */
1883 unsigned int
mpr_mapping_get_raid_id_from_handle(struct mpr_softc * sc,u16 volHandle)1884 mpr_mapping_get_raid_id_from_handle(struct mpr_softc *sc, u16 volHandle)
1885 {
1886 return (_mapping_get_ir_mt_idx_from_handle(sc, volHandle));
1887 }
1888
1889 /**
1890 * mpr_mapping_enclosure_dev_status_change_event - handle enclosure events
1891 * @sc: per adapter object
1892 * @event_data: event data payload
1893 *
1894 * Return nothing.
1895 */
1896 void
mpr_mapping_enclosure_dev_status_change_event(struct mpr_softc * sc,Mpi2EventDataSasEnclDevStatusChange_t * event_data)1897 mpr_mapping_enclosure_dev_status_change_event(struct mpr_softc *sc,
1898 Mpi2EventDataSasEnclDevStatusChange_t *event_data)
1899 {
1900 u8 enc_idx, missing_count;
1901 struct enc_mapping_table *et_entry;
1902 Mpi2DriverMap0Entry_t *dpm_entry;
1903 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1904 u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
1905 u8 update_phy_bits = 0;
1906 u32 saved_phy_bits;
1907 uint64_t temp64_var;
1908
1909 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) !=
1910 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING)
1911 goto out;
1912
1913 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
1914 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1915
1916 if (event_data->ReasonCode == MPI2_EVENT_SAS_ENCL_RC_ADDED) {
1917 if (!event_data->NumSlots) {
1918 printf("%s: enclosure with handle = 0x%x reported 0 "
1919 "slots\n", __func__,
1920 le16toh(event_data->EnclosureHandle));
1921 goto out;
1922 }
1923 temp64_var = event_data->EnclosureLogicalID.High;
1924 temp64_var = (temp64_var << 32) |
1925 event_data->EnclosureLogicalID.Low;
1926 enc_idx = _mapping_get_enc_idx_from_id(sc, temp64_var,
1927 event_data->PhyBits);
1928 if (enc_idx != MPR_ENCTABLE_BAD_IDX) {
1929 et_entry = &sc->enclosure_table[enc_idx];
1930 if (et_entry->init_complete &&
1931 !et_entry->missing_count) {
1932 printf("%s: enclosure %d is already present "
1933 "with handle = 0x%x\n",__func__, enc_idx,
1934 et_entry->enc_handle);
1935 goto out;
1936 }
1937 et_entry->enc_handle = le16toh(event_data->
1938 EnclosureHandle);
1939 et_entry->start_slot = le16toh(event_data->StartSlot);
1940 saved_phy_bits = et_entry->phy_bits;
1941 et_entry->phy_bits |= le32toh(event_data->PhyBits);
1942 if (saved_phy_bits != et_entry->phy_bits)
1943 update_phy_bits = 1;
1944 if (et_entry->missing_count || update_phy_bits) {
1945 et_entry->missing_count = 0;
1946 if (sc->is_dpm_enable &&
1947 et_entry->dpm_entry_num !=
1948 MPR_DPM_BAD_IDX) {
1949 dpm_entry += et_entry->dpm_entry_num;
1950 missing_count =
1951 (u8)(dpm_entry->MappingInformation &
1952 MPI2_DRVMAP0_MAPINFO_MISSING_MASK);
1953 if (!et_entry->init_complete && (
1954 missing_count || update_phy_bits)) {
1955 dpm_entry->MappingInformation
1956 = et_entry->num_slots;
1957 dpm_entry->MappingInformation
1958 <<= map_shift;
1959 dpm_entry->PhysicalBitsMapping
1960 = et_entry->phy_bits;
1961 sc->dpm_flush_entry[et_entry->
1962 dpm_entry_num] = 1;
1963 }
1964 }
1965 }
1966 } else {
1967 enc_idx = sc->num_enc_table_entries;
1968 if (enc_idx >= sc->max_enclosures) {
1969 printf("%s: enclosure can not be added; "
1970 "mapping table is full\n", __func__);
1971 goto out;
1972 }
1973 sc->num_enc_table_entries++;
1974 et_entry = &sc->enclosure_table[enc_idx];
1975 et_entry->enc_handle = le16toh(event_data->
1976 EnclosureHandle);
1977 et_entry->enclosure_id = event_data->
1978 EnclosureLogicalID.High;
1979 et_entry->enclosure_id = ( et_entry->enclosure_id <<
1980 32) | event_data->EnclosureLogicalID.Low;
1981 et_entry->start_index = MPR_MAPTABLE_BAD_IDX;
1982 et_entry->dpm_entry_num = MPR_DPM_BAD_IDX;
1983 et_entry->num_slots = le16toh(event_data->NumSlots);
1984 et_entry->start_slot = le16toh(event_data->StartSlot);
1985 et_entry->phy_bits = le32toh(event_data->PhyBits);
1986 }
1987 et_entry->init_complete = 1;
1988 } else if (event_data->ReasonCode ==
1989 MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING) {
1990 enc_idx = _mapping_get_enc_idx_from_handle(sc,
1991 le16toh(event_data->EnclosureHandle));
1992 if (enc_idx == MPR_ENCTABLE_BAD_IDX) {
1993 printf("%s: cannot unmap enclosure %d because it has "
1994 "already been deleted", __func__, enc_idx);
1995 goto out;
1996 }
1997 et_entry = &sc->enclosure_table[enc_idx];
1998 if (!et_entry->init_complete) {
1999 if (et_entry->missing_count < MPR_MAX_MISSING_COUNT)
2000 et_entry->missing_count++;
2001 else
2002 et_entry->init_complete = 1;
2003 }
2004 if (!et_entry->missing_count)
2005 et_entry->missing_count++;
2006 if (sc->is_dpm_enable && !et_entry->init_complete &&
2007 et_entry->dpm_entry_num != MPR_DPM_BAD_IDX) {
2008 dpm_entry += et_entry->dpm_entry_num;
2009 dpm_entry->MappingInformation = et_entry->num_slots;
2010 dpm_entry->MappingInformation <<= map_shift;
2011 dpm_entry->MappingInformation |=
2012 et_entry->missing_count;
2013 sc->dpm_flush_entry[et_entry->dpm_entry_num] = 1;
2014 }
2015 et_entry->init_complete = 1;
2016 }
2017
2018 out:
2019 _mapping_flush_dpm_pages(sc);
2020 if (sc->pending_map_events)
2021 sc->pending_map_events--;
2022 }
2023
2024 /**
2025 * mpr_mapping_topology_change_event - handle topology change events
2026 * @sc: per adapter object
2027 * @event_data: event data payload
2028 *
2029 * Returns nothing.
2030 */
2031 void
mpr_mapping_topology_change_event(struct mpr_softc * sc,Mpi2EventDataSasTopologyChangeList_t * event_data)2032 mpr_mapping_topology_change_event(struct mpr_softc *sc,
2033 Mpi2EventDataSasTopologyChangeList_t *event_data)
2034 {
2035 struct _map_topology_change topo_change;
2036 struct _map_phy_change *phy_change;
2037 Mpi2EventSasTopoPhyEntry_t *event_phy_change;
2038 u8 i, num_entries;
2039
2040 topo_change.enc_handle = le16toh(event_data->EnclosureHandle);
2041 topo_change.exp_handle = le16toh(event_data->ExpanderDevHandle);
2042 num_entries = event_data->NumEntries;
2043 topo_change.num_entries = num_entries;
2044 topo_change.start_phy_num = event_data->StartPhyNum;
2045 topo_change.num_phys = event_data->NumPhys;
2046 topo_change.exp_status = event_data->ExpStatus;
2047 event_phy_change = event_data->PHY;
2048 topo_change.phy_details = NULL;
2049
2050 if (!num_entries)
2051 goto out;
2052 phy_change = malloc(sizeof(struct _map_phy_change) * num_entries,
2053 M_MPR, M_NOWAIT|M_ZERO);
2054 topo_change.phy_details = phy_change;
2055 if (!phy_change)
2056 goto out;
2057 for (i = 0; i < num_entries; i++, event_phy_change++, phy_change++) {
2058 phy_change->dev_handle = le16toh(event_phy_change->
2059 AttachedDevHandle);
2060 phy_change->reason = event_phy_change->PhyStatus &
2061 MPI2_EVENT_SAS_TOPO_RC_MASK;
2062 }
2063 _mapping_update_missing_count(sc, &topo_change);
2064 _mapping_get_dev_info(sc, &topo_change);
2065 _mapping_clear_removed_entries(sc);
2066 _mapping_add_new_device(sc, &topo_change);
2067
2068 out:
2069 free(topo_change.phy_details, M_MPR);
2070 _mapping_flush_dpm_pages(sc);
2071 if (sc->pending_map_events)
2072 sc->pending_map_events--;
2073 }
2074
2075 /**
2076 * _mapping_check_update_ir_mt_idx - Check and update IR map table index
2077 * @sc: per adapter object
2078 * @event_data: event data payload
2079 * @evt_idx: current event index
2080 * @map_idx: current index and the place holder for new map table index
2081 * @wwid_table: world wide name for volumes in the element table
2082 *
2083 * pass through IR events and find whether any events matches and if so
2084 * tries to find new index if not returns failure
2085 *
2086 * Returns 0 on success and 1 on failure
2087 */
2088 static int
_mapping_check_update_ir_mt_idx(struct mpr_softc * sc,Mpi2EventDataIrConfigChangeList_t * event_data,int evt_idx,u32 * map_idx,u64 * wwid_table)2089 _mapping_check_update_ir_mt_idx(struct mpr_softc *sc,
2090 Mpi2EventDataIrConfigChangeList_t *event_data, int evt_idx, u32 *map_idx,
2091 u64 *wwid_table)
2092 {
2093 struct dev_mapping_table *mt_entry;
2094 u32 st_idx, end_idx, mt_idx = *map_idx;
2095 u8 match = 0;
2096 Mpi2EventIrConfigElement_t *element;
2097 u16 element_flags;
2098 int i;
2099
2100 mt_entry = &sc->mapping_table[mt_idx];
2101 _mapping_get_ir_maprange(sc, &st_idx, &end_idx);
2102 search_again:
2103 match = 0;
2104 for (i = evt_idx + 1; i < event_data->NumElements; i++) {
2105 element = (Mpi2EventIrConfigElement_t *)
2106 &event_data->ConfigElement[i];
2107 element_flags = le16toh(element->ElementFlags);
2108 if ((element_flags &
2109 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK) !=
2110 MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT)
2111 continue;
2112 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_ADDED ||
2113 element->ReasonCode ==
2114 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) {
2115 if (mt_entry->physical_id == wwid_table[i]) {
2116 match = 1;
2117 break;
2118 }
2119 }
2120 }
2121
2122 if (match) {
2123 do {
2124 mt_idx++;
2125 if (mt_idx > end_idx)
2126 return 1;
2127 mt_entry = &sc->mapping_table[mt_idx];
2128 } while (mt_entry->device_info & MPR_MAP_IN_USE);
2129 goto search_again;
2130 }
2131 *map_idx = mt_idx;
2132 return 0;
2133 }
2134
2135 /**
2136 * mpr_mapping_ir_config_change_event - handle IR config change list events
2137 * @sc: per adapter object
2138 * @event_data: event data payload
2139 *
2140 * Returns nothing.
2141 */
2142 void
mpr_mapping_ir_config_change_event(struct mpr_softc * sc,Mpi2EventDataIrConfigChangeList_t * event_data)2143 mpr_mapping_ir_config_change_event(struct mpr_softc *sc,
2144 Mpi2EventDataIrConfigChangeList_t *event_data)
2145 {
2146 Mpi2EventIrConfigElement_t *element;
2147 int i;
2148 u64 *wwid_table;
2149 u32 map_idx, flags;
2150 struct dev_mapping_table *mt_entry;
2151 u16 element_flags;
2152 u8 log_full_error = 0;
2153
2154 wwid_table = malloc(sizeof(u64) * event_data->NumElements, M_MPR,
2155 M_NOWAIT | M_ZERO);
2156 if (!wwid_table)
2157 goto out;
2158 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
2159 flags = le32toh(event_data->Flags);
2160 for (i = 0; i < event_data->NumElements; i++, element++) {
2161 element_flags = le16toh(element->ElementFlags);
2162 if ((element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_ADDED) &&
2163 (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_REMOVED) &&
2164 (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE)
2165 && (element->ReasonCode !=
2166 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED))
2167 continue;
2168 if ((element_flags &
2169 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK) ==
2170 MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT) {
2171 mpr_config_get_volume_wwid(sc,
2172 le16toh(element->VolDevHandle), &wwid_table[i]);
2173 map_idx = _mapping_get_ir_mt_idx_from_wwid(sc,
2174 wwid_table[i]);
2175 if (map_idx != MPR_MAPTABLE_BAD_IDX) {
2176 mt_entry = &sc->mapping_table[map_idx];
2177 mt_entry->device_info |= MPR_MAP_IN_USE;
2178 }
2179 }
2180 }
2181 if (flags == MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
2182 goto out;
2183 else {
2184 element = (Mpi2EventIrConfigElement_t *)&event_data->
2185 ConfigElement[0];
2186 for (i = 0; i < event_data->NumElements; i++, element++) {
2187 if (element->ReasonCode ==
2188 MPI2_EVENT_IR_CHANGE_RC_ADDED ||
2189 element->ReasonCode ==
2190 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) {
2191 map_idx = _mapping_get_ir_mt_idx_from_wwid
2192 (sc, wwid_table[i]);
2193 if (map_idx != MPR_MAPTABLE_BAD_IDX) {
2194 mt_entry = &sc->mapping_table[map_idx];
2195 mt_entry->channel = MPR_RAID_CHANNEL;
2196 mt_entry->id = map_idx;
2197 mt_entry->dev_handle = le16toh
2198 (element->VolDevHandle);
2199 mt_entry->device_info =
2200 MPR_DEV_RESERVED | MPR_MAP_IN_USE;
2201 _mapping_update_ir_missing_cnt(sc,
2202 map_idx, element, wwid_table[i]);
2203 continue;
2204 }
2205 map_idx = _mapping_get_free_ir_mt_idx(sc);
2206 if (map_idx == MPR_MAPTABLE_BAD_IDX)
2207 log_full_error = 1;
2208 else if (i < (event_data->NumElements - 1)) {
2209 log_full_error =
2210 _mapping_check_update_ir_mt_idx
2211 (sc, event_data, i, &map_idx,
2212 wwid_table);
2213 }
2214 if (log_full_error) {
2215 printf("%s: no space to add the RAID "
2216 "volume with handle 0x%04x in "
2217 "mapping table\n", __func__, le16toh
2218 (element->VolDevHandle));
2219 continue;
2220 }
2221 mt_entry = &sc->mapping_table[map_idx];
2222 mt_entry->physical_id = wwid_table[i];
2223 mt_entry->channel = MPR_RAID_CHANNEL;
2224 mt_entry->id = map_idx;
2225 mt_entry->dev_handle = le16toh(element->
2226 VolDevHandle);
2227 mt_entry->device_info = MPR_DEV_RESERVED |
2228 MPR_MAP_IN_USE;
2229 mt_entry->init_complete = 0;
2230 _mapping_update_ir_missing_cnt(sc, map_idx,
2231 element, wwid_table[i]);
2232 } else if (element->ReasonCode ==
2233 MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
2234 map_idx = _mapping_get_ir_mt_idx_from_wwid(sc,
2235 wwid_table[i]);
2236 if (map_idx == MPR_MAPTABLE_BAD_IDX) {
2237 printf("%s: failed to remove a volume "
2238 "because it has already been "
2239 "removed\n", __func__);
2240 continue;
2241 }
2242 _mapping_update_ir_missing_cnt(sc, map_idx,
2243 element, wwid_table[i]);
2244 } else if (element->ReasonCode ==
2245 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED) {
2246 map_idx = _mapping_get_mt_idx_from_handle(sc,
2247 le16toh(element->VolDevHandle));
2248 if (map_idx == MPR_MAPTABLE_BAD_IDX) {
2249 printf("%s: failed to remove volume "
2250 "with handle 0x%04x because it has "
2251 "already been removed\n", __func__,
2252 le16toh(element->VolDevHandle));
2253 continue;
2254 }
2255 mt_entry = &sc->mapping_table[map_idx];
2256 _mapping_update_ir_missing_cnt(sc, map_idx,
2257 element, mt_entry->physical_id);
2258 }
2259 }
2260 }
2261
2262 out:
2263 _mapping_flush_dpm_pages(sc);
2264 free(wwid_table, M_MPR);
2265 if (sc->pending_map_events)
2266 sc->pending_map_events--;
2267 }
2268