1 /*-
2 * Copyright (c) 2011-2014 LSI Corp.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
13 *
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
24 * SUCH DAMAGE.
25 *
26 * LSI MPT-Fusion Host Adapter FreeBSD
27 */
28
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD: stable/9/sys/dev/mpr/mpr_mapping.c 265236 2014-05-02 20:25:09Z ken $");
31
32 /* TODO Move headers to mprvar */
33 #include <sys/types.h>
34 #include <sys/param.h>
35 #include <sys/lock.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>
42 #include <sys/bus.h>
43 #include <sys/endian.h>
44 #include <sys/sysctl.h>
45 #include <sys/eventhandler.h>
46 #include <sys/uio.h>
47 #include <machine/bus.h>
48 #include <machine/resource.h>
49 #include <dev/mpr/mpi/mpi2_type.h>
50 #include <dev/mpr/mpi/mpi2.h>
51 #include <dev/mpr/mpi/mpi2_ioc.h>
52 #include <dev/mpr/mpi/mpi2_sas.h>
53 #include <dev/mpr/mpi/mpi2_cnfg.h>
54 #include <dev/mpr/mpi/mpi2_init.h>
55 #include <dev/mpr/mpi/mpi2_tool.h>
56 #include <dev/mpr/mpr_ioctl.h>
57 #include <dev/mpr/mprvar.h>
58 #include <dev/mpr/mpr_mapping.h>
59
60 /**
61 * _mapping_clear_entry - Clear a particular mapping entry.
62 * @map_entry: map table entry
63 *
64 * Returns nothing.
65 */
66 static inline void
_mapping_clear_map_entry(struct dev_mapping_table * map_entry)67 _mapping_clear_map_entry(struct dev_mapping_table *map_entry)
68 {
69 map_entry->physical_id = 0;
70 map_entry->device_info = 0;
71 map_entry->phy_bits = 0;
72 map_entry->dpm_entry_num = MPR_DPM_BAD_IDX;
73 map_entry->dev_handle = 0;
74 map_entry->channel = -1;
75 map_entry->id = -1;
76 map_entry->missing_count = 0;
77 map_entry->init_complete = 0;
78 map_entry->TLR_bits = (u8)MPI2_SCSIIO_CONTROL_NO_TLR;
79 }
80
81 /**
82 * _mapping_clear_enc_entry - Clear a particular enclosure table entry.
83 * @enc_entry: enclosure table entry
84 *
85 * Returns nothing.
86 */
87 static inline void
_mapping_clear_enc_entry(struct enc_mapping_table * enc_entry)88 _mapping_clear_enc_entry(struct enc_mapping_table *enc_entry)
89 {
90 enc_entry->enclosure_id = 0;
91 enc_entry->start_index = MPR_MAPTABLE_BAD_IDX;
92 enc_entry->phy_bits = 0;
93 enc_entry->dpm_entry_num = MPR_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;
101 }
102
103 /**
104 * _mapping_commit_enc_entry - write a particular enc entry in DPM page0.
105 * @sc: per adapter object
106 * @enc_entry: enclosure table entry
107 *
108 * Returns 0 for success, non-zero for failure.
109 */
110 static int
_mapping_commit_enc_entry(struct mpr_softc * sc,struct enc_mapping_table * et_entry)111 _mapping_commit_enc_entry(struct mpr_softc *sc,
112 struct enc_mapping_table *et_entry)
113 {
114 Mpi2DriverMap0Entry_t *dpm_entry;
115 struct dev_mapping_table *mt_entry;
116 Mpi2ConfigReply_t mpi_reply;
117 Mpi2DriverMappingPage0_t config_page;
118
119 if (!sc->is_dpm_enable)
120 return 0;
121
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;
140
141 memcpy(&config_page.Entry, (u8 *)dpm_entry,
142 sizeof(Mpi2DriverMap0Entry_t));
143 if (mpr_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->
148 MappingInformation);
149 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
150 dpm_entry->PhysicalBitsMapping =
151 le32toh(dpm_entry->PhysicalBitsMapping);
152 return -1;
153 }
154 dpm_entry->MappingInformation = le16toh(dpm_entry->
155 MappingInformation);
156 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
157 dpm_entry->PhysicalBitsMapping =
158 le32toh(dpm_entry->PhysicalBitsMapping);
159 return 0;
160 }
161
162 /**
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
166 *
167 * Returns 0 for success, non-zero for failure.
168 */
169
170 static int
_mapping_commit_map_entry(struct mpr_softc * sc,struct dev_mapping_table * mt_entry)171 _mapping_commit_map_entry(struct mpr_softc *sc,
172 struct dev_mapping_table *mt_entry)
173 {
174 Mpi2DriverMap0Entry_t *dpm_entry;
175 Mpi2ConfigReply_t mpi_reply;
176 Mpi2DriverMappingPage0_t config_page;
177
178 if (!sc->is_dpm_enable)
179 return 0;
180
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 (mpr_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->
202 MappingInformation);
203 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
204 return -1;
205 }
206
207 dpm_entry->MappingInformation = le16toh(dpm_entry->MappingInformation);
208 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
209 return 0;
210 }
211
212 /**
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
217 *
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
221 *
222 * Returns nothing.
223 */
224 static void
_mapping_get_ir_maprange(struct mpr_softc * sc,u32 * start_idx,u32 * end_idx)225 _mapping_get_ir_maprange(struct mpr_softc *sc, u32 *start_idx, u32 *end_idx)
226 {
227 u16 volume_mapping_flags;
228 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
229
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) {
233 *start_idx = 0;
234 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
235 *start_idx = 1;
236 } else
237 *start_idx = sc->max_devices - sc->max_volumes;
238 *end_idx = *start_idx + sc->max_volumes - 1;
239 }
240
241 /**
242 * _mapping_get_enc_idx_from_id - get enclosure index from enclosure ID
243 * @sc: per adapter object
244 * @enc_id: enclosure logical identifier
245 *
246 * Returns the index of enclosure entry on success or bad index.
247 */
248 static u8
_mapping_get_enc_idx_from_id(struct mpr_softc * sc,u64 enc_id,u64 phy_bits)249 _mapping_get_enc_idx_from_id(struct mpr_softc *sc, u64 enc_id,
250 u64 phy_bits)
251 {
252 struct enc_mapping_table *et_entry;
253 u8 enc_idx = 0;
254
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 &
259 le32toh(phy_bits))))
260 return enc_idx;
261 }
262 return MPR_ENCTABLE_BAD_IDX;
263 }
264
265 /**
266 * _mapping_get_enc_idx_from_handle - get enclosure index from handle
267 * @sc: per adapter object
268 * @enc_id: enclosure handle
269 *
270 * Returns the index of enclosure entry on success or bad index.
271 */
272 static u8
_mapping_get_enc_idx_from_handle(struct mpr_softc * sc,u16 handle)273 _mapping_get_enc_idx_from_handle(struct mpr_softc *sc, u16 handle)
274 {
275 struct enc_mapping_table *et_entry;
276 u8 enc_idx = 0;
277
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)
281 continue;
282 if (et_entry->enc_handle == handle)
283 return enc_idx;
284 }
285 return MPR_ENCTABLE_BAD_IDX;
286 }
287
288 /**
289 * _mapping_get_high_missing_et_idx - get missing enclosure index
290 * @sc: per adapter object
291 *
292 * Search through the enclosure table and identifies the enclosure entry
293 * with high missing count and returns it's index
294 *
295 * Returns the index of enclosure entry on success or bad index.
296 */
297 static u8
_mapping_get_high_missing_et_idx(struct mpr_softc * sc)298 _mapping_get_high_missing_et_idx(struct mpr_softc *sc)
299 {
300 struct enc_mapping_table *et_entry;
301 u8 high_missing_count = 0;
302 u8 enc_idx, high_idx = MPR_ENCTABLE_BAD_IDX;
303
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;
309 high_idx = enc_idx;
310 }
311 }
312 return high_idx;
313 }
314
315 /**
316 * _mapping_get_high_missing_mt_idx - get missing map table index
317 * @sc: per adapter object
318 *
319 * Search through the map table and identifies the device entry
320 * with high missing count and returns it's index
321 *
322 * Returns the index of map table entry on success or bad index.
323 */
324 static u32
_mapping_get_high_missing_mt_idx(struct mpr_softc * sc)325 _mapping_get_high_missing_mt_idx(struct mpr_softc *sc)
326 {
327 u32 map_idx, high_idx = MPR_ENCTABLE_BAD_IDX;
328 u8 high_missing_count = 0;
329 u32 start_idx, end_idx, start_idx_ir = 0, end_idx_ir;
330 struct dev_mapping_table *mt_entry;
331 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
332
333 start_idx = 0;
334 end_idx = sc->max_devices;
335 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
336 start_idx = 1;
337 if (sc->ir_firmware) {
338 _mapping_get_ir_maprange(sc, &start_idx_ir, &end_idx_ir);
339 if (start_idx == start_idx_ir)
340 start_idx = end_idx_ir + 1;
341 else
342 end_idx = start_idx_ir;
343 }
344 mt_entry = &sc->mapping_table[start_idx];
345 for (map_idx = start_idx; map_idx < end_idx; map_idx++, mt_entry++) {
346 if (mt_entry->missing_count > high_missing_count) {
347 high_missing_count = mt_entry->missing_count;
348 high_idx = map_idx;
349 }
350 }
351 return high_idx;
352 }
353
354 /**
355 * _mapping_get_ir_mt_idx_from_wwid - get map table index from volume WWID
356 * @sc: per adapter object
357 * @wwid: world wide unique ID of the volume
358 *
359 * Returns the index of map table entry on success or bad index.
360 */
361 static u32
_mapping_get_ir_mt_idx_from_wwid(struct mpr_softc * sc,u64 wwid)362 _mapping_get_ir_mt_idx_from_wwid(struct mpr_softc *sc, u64 wwid)
363 {
364 u32 start_idx, end_idx, map_idx;
365 struct dev_mapping_table *mt_entry;
366
367 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
368 mt_entry = &sc->mapping_table[start_idx];
369 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)
370 if (mt_entry->physical_id == wwid)
371 return map_idx;
372
373 return MPR_MAPTABLE_BAD_IDX;
374 }
375
376 /**
377 * _mapping_get_mt_idx_from_id - get map table index from a device ID
378 * @sc: per adapter object
379 * @dev_id: device identifer (SAS Address)
380 *
381 * Returns the index of map table entry on success or bad index.
382 */
383 static u32
_mapping_get_mt_idx_from_id(struct mpr_softc * sc,u64 dev_id)384 _mapping_get_mt_idx_from_id(struct mpr_softc *sc, u64 dev_id)
385 {
386 u32 map_idx;
387 struct dev_mapping_table *mt_entry;
388
389 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
390 mt_entry = &sc->mapping_table[map_idx];
391 if (mt_entry->physical_id == dev_id)
392 return map_idx;
393 }
394 return MPR_MAPTABLE_BAD_IDX;
395 }
396
397 /**
398 * _mapping_get_ir_mt_idx_from_handle - get map table index from volume handle
399 * @sc: per adapter object
400 * @wwid: volume device handle
401 *
402 * Returns the index of map table entry on success or bad index.
403 */
404 static u32
_mapping_get_ir_mt_idx_from_handle(struct mpr_softc * sc,u16 volHandle)405 _mapping_get_ir_mt_idx_from_handle(struct mpr_softc *sc, u16 volHandle)
406 {
407 u32 start_idx, end_idx, map_idx;
408 struct dev_mapping_table *mt_entry;
409
410 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
411 mt_entry = &sc->mapping_table[start_idx];
412 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)
413 if (mt_entry->dev_handle == volHandle)
414 return map_idx;
415
416 return MPR_MAPTABLE_BAD_IDX;
417 }
418
419 /**
420 * _mapping_get_mt_idx_from_handle - get map table index from handle
421 * @sc: per adapter object
422 * @dev_id: device handle
423 *
424 * Returns the index of map table entry on success or bad index.
425 */
426 static u32
_mapping_get_mt_idx_from_handle(struct mpr_softc * sc,u16 handle)427 _mapping_get_mt_idx_from_handle(struct mpr_softc *sc, u16 handle)
428 {
429 u32 map_idx;
430 struct dev_mapping_table *mt_entry;
431
432 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
433 mt_entry = &sc->mapping_table[map_idx];
434 if (mt_entry->dev_handle == handle)
435 return map_idx;
436 }
437 return MPR_MAPTABLE_BAD_IDX;
438 }
439
440 /**
441 * _mapping_get_free_ir_mt_idx - get first free index for a volume
442 * @sc: per adapter object
443 *
444 * Search through mapping table for free index for a volume and if no free
445 * index then looks for a volume with high mapping index
446 *
447 * Returns the index of map table entry on success or bad index.
448 */
449 static u32
_mapping_get_free_ir_mt_idx(struct mpr_softc * sc)450 _mapping_get_free_ir_mt_idx(struct mpr_softc *sc)
451 {
452 u8 high_missing_count = 0;
453 u32 start_idx, end_idx, map_idx;
454 u32 high_idx = MPR_MAPTABLE_BAD_IDX;
455 struct dev_mapping_table *mt_entry;
456
457 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
458
459 mt_entry = &sc->mapping_table[start_idx];
460 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++)
461 if (!(mt_entry->device_info & MPR_MAP_IN_USE))
462 return map_idx;
463
464 mt_entry = &sc->mapping_table[start_idx];
465 for (map_idx = start_idx; map_idx <= end_idx; map_idx++, mt_entry++) {
466 if (mt_entry->missing_count > high_missing_count) {
467 high_missing_count = mt_entry->missing_count;
468 high_idx = map_idx;
469 }
470 }
471 return high_idx;
472 }
473
474 /**
475 * _mapping_get_free_mt_idx - get first free index for a device
476 * @sc: per adapter object
477 * @start_idx: offset in the table to start search
478 *
479 * Returns the index of map table entry on success or bad index.
480 */
481 static u32
_mapping_get_free_mt_idx(struct mpr_softc * sc,u32 start_idx)482 _mapping_get_free_mt_idx(struct mpr_softc *sc, u32 start_idx)
483 {
484 u32 map_idx, max_idx = sc->max_devices;
485 struct dev_mapping_table *mt_entry = &sc->mapping_table[start_idx];
486 u16 volume_mapping_flags;
487
488 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
489 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
490 if (sc->ir_firmware && (volume_mapping_flags ==
491 MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING))
492 max_idx -= sc->max_volumes;
493 for (map_idx = start_idx; map_idx < max_idx; map_idx++, mt_entry++)
494 if (!(mt_entry->device_info & (MPR_MAP_IN_USE |
495 MPR_DEV_RESERVED)))
496 return map_idx;
497
498 return MPR_MAPTABLE_BAD_IDX;
499 }
500
501 /**
502 * _mapping_get_dpm_idx_from_id - get DPM index from ID
503 * @sc: per adapter object
504 * @id: volume WWID or enclosure ID or device ID
505 *
506 * Returns the index of DPM entry on success or bad index.
507 */
508 static u16
_mapping_get_dpm_idx_from_id(struct mpr_softc * sc,u64 id,u32 phy_bits)509 _mapping_get_dpm_idx_from_id(struct mpr_softc *sc, u64 id, u32 phy_bits)
510 {
511 u16 entry_num;
512 uint64_t PhysicalIdentifier;
513 Mpi2DriverMap0Entry_t *dpm_entry;
514
515 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
516 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
517 PhysicalIdentifier = dpm_entry->PhysicalIdentifier.High;
518 PhysicalIdentifier = (PhysicalIdentifier << 32) |
519 dpm_entry->PhysicalIdentifier.Low;
520 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++,
521 dpm_entry++)
522 if ((id == PhysicalIdentifier) &&
523 (!phy_bits || !dpm_entry->PhysicalBitsMapping ||
524 (phy_bits & dpm_entry->PhysicalBitsMapping)))
525 return entry_num;
526
527 return MPR_DPM_BAD_IDX;
528 }
529
530
531 /**
532 * _mapping_get_free_dpm_idx - get first available DPM index
533 * @sc: per adapter object
534 *
535 * Returns the index of DPM entry on success or bad index.
536 */
537 static u32
_mapping_get_free_dpm_idx(struct mpr_softc * sc)538 _mapping_get_free_dpm_idx(struct mpr_softc *sc)
539 {
540 u16 entry_num;
541
542 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) {
543 if (!sc->dpm_entry_used[entry_num])
544 return entry_num;
545 }
546 return MPR_DPM_BAD_IDX;
547 }
548
549 /**
550 * _mapping_update_ir_missing_cnt - Updates missing count for a volume
551 * @sc: per adapter object
552 * @map_idx: map table index of the volume
553 * @element: IR configuration change element
554 * @wwid: IR volume ID.
555 *
556 * Updates the missing count in the map table and in the DPM entry for a volume
557 *
558 * Returns nothing.
559 */
560 static void
_mapping_update_ir_missing_cnt(struct mpr_softc * sc,u32 map_idx,Mpi2EventIrConfigElement_t * element,u64 wwid)561 _mapping_update_ir_missing_cnt(struct mpr_softc *sc, u32 map_idx,
562 Mpi2EventIrConfigElement_t *element, u64 wwid)
563 {
564 struct dev_mapping_table *mt_entry;
565 u8 missing_cnt, reason = element->ReasonCode;
566 u16 dpm_idx;
567 Mpi2DriverMap0Entry_t *dpm_entry;
568
569 if (!sc->is_dpm_enable)
570 return;
571 mt_entry = &sc->mapping_table[map_idx];
572 if (reason == MPI2_EVENT_IR_CHANGE_RC_ADDED) {
573 mt_entry->missing_count = 0;
574 } else if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) {
575 mt_entry->missing_count = 0;
576 mt_entry->init_complete = 0;
577 } else if ((reason == MPI2_EVENT_IR_CHANGE_RC_REMOVED) ||
578 (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED)) {
579 if (!mt_entry->init_complete) {
580 if (mt_entry->missing_count < MPR_MAX_MISSING_COUNT)
581 mt_entry->missing_count++;
582 else
583 mt_entry->init_complete = 1;
584 }
585 if (!mt_entry->missing_count)
586 mt_entry->missing_count++;
587 mt_entry->dev_handle = 0;
588 }
589
590 dpm_idx = mt_entry->dpm_entry_num;
591 if (dpm_idx == MPR_DPM_BAD_IDX) {
592 if ((reason == MPI2_EVENT_IR_CHANGE_RC_ADDED) ||
593 (reason == MPI2_EVENT_IR_CHANGE_RC_REMOVED))
594 dpm_idx = _mapping_get_dpm_idx_from_id(sc,
595 mt_entry->physical_id, 0);
596 else if (reason == MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED)
597 return;
598 }
599 if (dpm_idx != MPR_DPM_BAD_IDX) {
600 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
601 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
602 dpm_entry += dpm_idx;
603 missing_cnt = dpm_entry->MappingInformation &
604 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
605 if ((mt_entry->physical_id ==
606 le64toh((u64)dpm_entry->PhysicalIdentifier.High |
607 dpm_entry->PhysicalIdentifier.Low)) && (missing_cnt ==
608 mt_entry->missing_count))
609 mt_entry->init_complete = 1;
610 } else {
611 dpm_idx = _mapping_get_free_dpm_idx(sc);
612 mt_entry->init_complete = 0;
613 }
614
615 if ((dpm_idx != MPR_DPM_BAD_IDX) && !mt_entry->init_complete) {
616 mt_entry->init_complete = 1;
617 mt_entry->dpm_entry_num = dpm_idx;
618 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
619 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
620 dpm_entry += dpm_idx;
621 dpm_entry->PhysicalIdentifier.Low =
622 (0xFFFFFFFF & mt_entry->physical_id);
623 dpm_entry->PhysicalIdentifier.High =
624 (mt_entry->physical_id >> 32);
625 dpm_entry->DeviceIndex = map_idx;
626 dpm_entry->MappingInformation = mt_entry->missing_count;
627 dpm_entry->PhysicalBitsMapping = 0;
628 dpm_entry->Reserved1 = 0;
629 sc->dpm_flush_entry[dpm_idx] = 1;
630 sc->dpm_entry_used[dpm_idx] = 1;
631 } else if (dpm_idx == MPR_DPM_BAD_IDX) {
632 printf("%s: no space to add entry in DPM table\n", __func__);
633 mt_entry->init_complete = 1;
634 }
635 }
636
637 /**
638 * _mapping_add_to_removal_table - mark an entry for removal
639 * @sc: per adapter object
640 * @handle: Handle of enclosures/device/volume
641 *
642 * Adds the handle or DPM entry number in removal table.
643 *
644 * Returns nothing.
645 */
646 static void
_mapping_add_to_removal_table(struct mpr_softc * sc,u16 handle,u16 dpm_idx)647 _mapping_add_to_removal_table(struct mpr_softc *sc, u16 handle,
648 u16 dpm_idx)
649 {
650 struct map_removal_table *remove_entry;
651 u32 i;
652 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
653
654 remove_entry = sc->removal_table;
655
656 for (i = 0; i < sc->max_devices; i++, remove_entry++) {
657 if (remove_entry->dev_handle || remove_entry->dpm_entry_num !=
658 MPR_DPM_BAD_IDX)
659 continue;
660 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
661 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
662 if (dpm_idx)
663 remove_entry->dpm_entry_num = dpm_idx;
664 if (remove_entry->dpm_entry_num == MPR_DPM_BAD_IDX)
665 remove_entry->dev_handle = handle;
666 } else if ((ioc_pg8_flags &
667 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
668 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING)
669 remove_entry->dev_handle = handle;
670 break;
671 }
672
673 }
674
675 /**
676 * _mapping_update_missing_count - Update missing count for a device
677 * @sc: per adapter object
678 * @topo_change: Topology change event entry
679 *
680 * Search through the topology change list and if any device is found not
681 * responding it's associated map table entry and DPM entry is updated
682 *
683 * Returns nothing.
684 */
685 static void
_mapping_update_missing_count(struct mpr_softc * sc,struct _map_topology_change * topo_change)686 _mapping_update_missing_count(struct mpr_softc *sc,
687 struct _map_topology_change *topo_change)
688 {
689 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
690 u8 entry;
691 struct _map_phy_change *phy_change;
692 u32 map_idx;
693 struct dev_mapping_table *mt_entry;
694 Mpi2DriverMap0Entry_t *dpm_entry;
695
696 for (entry = 0; entry < topo_change->num_entries; entry++) {
697 phy_change = &topo_change->phy_details[entry];
698 if (!phy_change->dev_handle || (phy_change->reason !=
699 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
700 continue;
701 map_idx = _mapping_get_mt_idx_from_handle(sc, phy_change->
702 dev_handle);
703 phy_change->is_processed = 1;
704 if (map_idx == MPR_MAPTABLE_BAD_IDX) {
705 printf("%s: device is already removed from mapping "
706 "table\n", __func__);
707 continue;
708 }
709 mt_entry = &sc->mapping_table[map_idx];
710 if (!mt_entry->init_complete) {
711 if (mt_entry->missing_count < MPR_MAX_MISSING_COUNT)
712 mt_entry->missing_count++;
713 else
714 mt_entry->init_complete = 1;
715 }
716 if (!mt_entry->missing_count)
717 mt_entry->missing_count++;
718 _mapping_add_to_removal_table(sc, mt_entry->dev_handle, 0);
719 mt_entry->dev_handle = 0;
720
721 if (((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
722 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) &&
723 sc->is_dpm_enable && !mt_entry->init_complete &&
724 mt_entry->dpm_entry_num != MPR_DPM_BAD_IDX) {
725 dpm_entry =
726 (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 +
727 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
728 dpm_entry += mt_entry->dpm_entry_num;
729 dpm_entry->MappingInformation = mt_entry->missing_count;
730 sc->dpm_flush_entry[mt_entry->dpm_entry_num] = 1;
731 }
732 mt_entry->init_complete = 1;
733 }
734 }
735
736 /**
737 * _mapping_find_enc_map_space -find map table entries for enclosure
738 * @sc: per adapter object
739 * @et_entry: enclosure entry
740 *
741 * Search through the mapping table defragment it and provide contiguous
742 * space in map table for a particular enclosure entry
743 *
744 * Returns start index in map table or bad index.
745 */
746 static u32
_mapping_find_enc_map_space(struct mpr_softc * sc,struct enc_mapping_table * et_entry)747 _mapping_find_enc_map_space(struct mpr_softc *sc,
748 struct enc_mapping_table *et_entry)
749 {
750 u16 vol_mapping_flags;
751 u32 skip_count, end_of_table, map_idx, enc_idx;
752 u16 num_found;
753 u32 start_idx = MPR_MAPTABLE_BAD_IDX;
754 struct dev_mapping_table *mt_entry;
755 struct enc_mapping_table *enc_entry;
756 unsigned char done_flag = 0, found_space;
757 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
758
759 skip_count = sc->num_rsvd_entries;
760 num_found = 0;
761
762 vol_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
763 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
764
765 if (!sc->ir_firmware)
766 end_of_table = sc->max_devices;
767 else if (vol_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING)
768 end_of_table = sc->max_devices;
769 else
770 end_of_table = sc->max_devices - sc->max_volumes;
771
772 for (map_idx = (max_num_phy_ids + skip_count);
773 map_idx < end_of_table; map_idx++) {
774 mt_entry = &sc->mapping_table[map_idx];
775 if ((et_entry->enclosure_id == mt_entry->physical_id) &&
776 (!mt_entry->phy_bits || (mt_entry->phy_bits &
777 et_entry->phy_bits))) {
778 num_found += 1;
779 if (num_found == et_entry->num_slots) {
780 start_idx = (map_idx - num_found) + 1;
781 return start_idx;
782 }
783 } else
784 num_found = 0;
785 }
786 for (map_idx = (max_num_phy_ids + skip_count);
787 map_idx < end_of_table; map_idx++) {
788 mt_entry = &sc->mapping_table[map_idx];
789 if (!(mt_entry->device_info & MPR_DEV_RESERVED)) {
790 num_found += 1;
791 if (num_found == et_entry->num_slots) {
792 start_idx = (map_idx - num_found) + 1;
793 return start_idx;
794 }
795 } else
796 num_found = 0;
797 }
798
799 while (!done_flag) {
800 enc_idx = _mapping_get_high_missing_et_idx(sc);
801 if (enc_idx == MPR_ENCTABLE_BAD_IDX)
802 return MPR_MAPTABLE_BAD_IDX;
803 enc_entry = &sc->enclosure_table[enc_idx];
804 /*VSP FIXME*/
805 enc_entry->skip_search = 1;
806 mt_entry = &sc->mapping_table[enc_entry->start_index];
807 for (map_idx = enc_entry->start_index; map_idx <
808 (enc_entry->start_index + enc_entry->num_slots); map_idx++,
809 mt_entry++)
810 mt_entry->device_info &= ~MPR_DEV_RESERVED;
811 found_space = 0;
812 for (map_idx = (max_num_phy_ids +
813 skip_count); map_idx < end_of_table; map_idx++) {
814 mt_entry = &sc->mapping_table[map_idx];
815 if (!(mt_entry->device_info & MPR_DEV_RESERVED)) {
816 num_found += 1;
817 if (num_found == et_entry->num_slots) {
818 start_idx = (map_idx - num_found) + 1;
819 found_space = 1;
820 }
821 } else
822 num_found = 0;
823 }
824
825 if (!found_space)
826 continue;
827 for (map_idx = start_idx; map_idx < (start_idx + num_found);
828 map_idx++) {
829 enc_entry = sc->enclosure_table;
830 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries;
831 enc_idx++, enc_entry++) {
832 if (map_idx < enc_entry->start_index ||
833 map_idx > (enc_entry->start_index +
834 enc_entry->num_slots))
835 continue;
836 if (!enc_entry->removal_flag) {
837 enc_entry->removal_flag = 1;
838 _mapping_add_to_removal_table(sc, 0,
839 enc_entry->dpm_entry_num);
840 }
841 mt_entry = &sc->mapping_table[map_idx];
842 if (mt_entry->device_info &
843 MPR_MAP_IN_USE) {
844 _mapping_add_to_removal_table(sc,
845 mt_entry->dev_handle, 0);
846 _mapping_clear_map_entry(mt_entry);
847 }
848 if (map_idx == (enc_entry->start_index +
849 enc_entry->num_slots - 1))
850 _mapping_clear_enc_entry(et_entry);
851 }
852 }
853 enc_entry = sc->enclosure_table;
854 for (enc_idx = 0; enc_idx < sc->num_enc_table_entries;
855 enc_idx++, enc_entry++) {
856 if (!enc_entry->removal_flag) {
857 mt_entry = &sc->mapping_table[enc_entry->
858 start_index];
859 for (map_idx = enc_entry->start_index; map_idx <
860 (enc_entry->start_index +
861 enc_entry->num_slots); map_idx++,
862 mt_entry++)
863 mt_entry->device_info |=
864 MPR_DEV_RESERVED;
865 et_entry->skip_search = 0;
866 }
867 }
868 done_flag = 1;
869 }
870 return start_idx;
871 }
872
873 /**
874 * _mapping_get_dev_info -get information about newly added devices
875 * @sc: per adapter object
876 * @topo_change: Topology change event entry
877 *
878 * Search through the topology change event list and issues sas device pg0
879 * requests for the newly added device and reserved entries in tables
880 *
881 * Returns nothing
882 */
883 static void
_mapping_get_dev_info(struct mpr_softc * sc,struct _map_topology_change * topo_change)884 _mapping_get_dev_info(struct mpr_softc *sc,
885 struct _map_topology_change *topo_change)
886 {
887 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
888 Mpi2ConfigReply_t mpi_reply;
889 Mpi2SasDevicePage0_t sas_device_pg0;
890 u8 entry, enc_idx, phy_idx;
891 u32 map_idx, index, device_info;
892 struct _map_phy_change *phy_change, *tmp_phy_change;
893 uint64_t sas_address;
894 struct enc_mapping_table *et_entry;
895 struct dev_mapping_table *mt_entry;
896 u8 add_code = MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED;
897 int rc;
898
899 for (entry = 0; entry < topo_change->num_entries; entry++) {
900 phy_change = &topo_change->phy_details[entry];
901 if (phy_change->is_processed || !phy_change->dev_handle ||
902 phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED)
903 continue;
904 if (mpr_config_get_sas_device_pg0(sc, &mpi_reply,
905 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
906 phy_change->dev_handle)) {
907 phy_change->is_processed = 1;
908 continue;
909 }
910
911 device_info = le32toh(sas_device_pg0.DeviceInfo);
912 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
913 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
914 if ((device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE) &&
915 (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)) {
916 rc = mprsas_get_sas_address_for_sata_disk(sc,
917 &sas_address, phy_change->dev_handle,
918 device_info);
919 if (rc) {
920 printf("%s: failed to compute the "
921 "hashed SAS Address for SATA "
922 "device with handle 0x%04x\n",
923 __func__, phy_change->dev_handle);
924 sas_address =
925 sas_device_pg0.SASAddress.High;
926 sas_address = (sas_address << 32) |
927 sas_device_pg0.SASAddress.Low;
928 }
929 mpr_dprint(sc, MPR_INFO, "SAS Address for SATA "
930 "device = %jx\n", sas_address);
931 } else {
932 sas_address =
933 sas_device_pg0.SASAddress.High;
934 sas_address = (sas_address << 32) |
935 sas_device_pg0.SASAddress.Low;
936 }
937 } else {
938 sas_address = sas_device_pg0.SASAddress.High;
939 sas_address = (sas_address << 32) |
940 sas_device_pg0.SASAddress.Low;
941 }
942 phy_change->physical_id = sas_address;
943 phy_change->slot = le16toh(sas_device_pg0.Slot);
944 phy_change->device_info =
945 le32toh(sas_device_pg0.DeviceInfo);
946
947 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
948 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
949 enc_idx = _mapping_get_enc_idx_from_handle(sc,
950 topo_change->enc_handle);
951 if (enc_idx == MPR_ENCTABLE_BAD_IDX) {
952 phy_change->is_processed = 1;
953 printf("%s: failed to add the device with "
954 "handle 0x%04x because the enclosure is "
955 "not in the mapping table\n", __func__,
956 phy_change->dev_handle);
957 continue;
958 }
959 if (!((phy_change->device_info &
960 MPI2_SAS_DEVICE_INFO_END_DEVICE) &&
961 (phy_change->device_info &
962 (MPI2_SAS_DEVICE_INFO_SSP_TARGET |
963 MPI2_SAS_DEVICE_INFO_STP_TARGET |
964 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))) {
965 phy_change->is_processed = 1;
966 continue;
967 }
968 et_entry = &sc->enclosure_table[enc_idx];
969 if (et_entry->start_index != MPR_MAPTABLE_BAD_IDX)
970 continue;
971 if (!topo_change->exp_handle) {
972 map_idx = sc->num_rsvd_entries;
973 et_entry->start_index = map_idx;
974 } else {
975 map_idx = _mapping_find_enc_map_space(sc,
976 et_entry);
977 et_entry->start_index = map_idx;
978 if (et_entry->start_index ==
979 MPR_MAPTABLE_BAD_IDX) {
980 phy_change->is_processed = 1;
981 for (phy_idx = 0; phy_idx <
982 topo_change->num_entries;
983 phy_idx++) {
984 tmp_phy_change =
985 &topo_change->phy_details
986 [phy_idx];
987 if (tmp_phy_change->reason ==
988 add_code)
989 tmp_phy_change->
990 is_processed = 1;
991 }
992 break;
993 }
994 }
995 mt_entry = &sc->mapping_table[map_idx];
996 for (index = map_idx; index < (et_entry->num_slots
997 + map_idx); index++, mt_entry++) {
998 mt_entry->device_info = MPR_DEV_RESERVED;
999 mt_entry->physical_id = et_entry->enclosure_id;
1000 mt_entry->phy_bits = et_entry->phy_bits;
1001 }
1002 }
1003 }
1004 }
1005
1006 /**
1007 * _mapping_set_mid_to_eid -set map table data from enclosure table
1008 * @sc: per adapter object
1009 * @et_entry: enclosure entry
1010 *
1011 * Returns nothing
1012 */
1013 static inline void
_mapping_set_mid_to_eid(struct mpr_softc * sc,struct enc_mapping_table * et_entry)1014 _mapping_set_mid_to_eid(struct mpr_softc *sc,
1015 struct enc_mapping_table *et_entry)
1016 {
1017 struct dev_mapping_table *mt_entry;
1018 u16 slots = et_entry->num_slots, map_idx;
1019 u32 start_idx = et_entry->start_index;
1020 if (start_idx != MPR_MAPTABLE_BAD_IDX) {
1021 mt_entry = &sc->mapping_table[start_idx];
1022 for (map_idx = 0; map_idx < slots; map_idx++, mt_entry++)
1023 mt_entry->physical_id = et_entry->enclosure_id;
1024 }
1025 }
1026
1027 /**
1028 * _mapping_clear_removed_entries - mark the entries to be cleared
1029 * @sc: per adapter object
1030 *
1031 * Search through the removal table and mark the entries which needs to be
1032 * flushed to DPM and also updates the map table and enclosure table by
1033 * clearing the corresponding entries.
1034 *
1035 * Returns nothing
1036 */
1037 static void
_mapping_clear_removed_entries(struct mpr_softc * sc)1038 _mapping_clear_removed_entries(struct mpr_softc *sc)
1039 {
1040 u32 remove_idx;
1041 struct map_removal_table *remove_entry;
1042 Mpi2DriverMap0Entry_t *dpm_entry;
1043 u8 done_flag = 0, num_entries, m, i;
1044 struct enc_mapping_table *et_entry, *from, *to;
1045 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1046
1047 if (sc->is_dpm_enable) {
1048 remove_entry = sc->removal_table;
1049 for (remove_idx = 0; remove_idx < sc->max_devices;
1050 remove_idx++, remove_entry++) {
1051 if (remove_entry->dpm_entry_num != MPR_DPM_BAD_IDX) {
1052 dpm_entry = (Mpi2DriverMap0Entry_t *)
1053 ((u8 *) sc->dpm_pg0 +
1054 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1055 dpm_entry += remove_entry->dpm_entry_num;
1056 dpm_entry->PhysicalIdentifier.Low = 0;
1057 dpm_entry->PhysicalIdentifier.High = 0;
1058 dpm_entry->DeviceIndex = 0;
1059 dpm_entry->MappingInformation = 0;
1060 dpm_entry->PhysicalBitsMapping = 0;
1061 sc->dpm_flush_entry[remove_entry->
1062 dpm_entry_num] = 1;
1063 sc->dpm_entry_used[remove_entry->dpm_entry_num]
1064 = 0;
1065 remove_entry->dpm_entry_num = MPR_DPM_BAD_IDX;
1066 }
1067 }
1068 }
1069 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1070 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1071 num_entries = sc->num_enc_table_entries;
1072 while (!done_flag) {
1073 done_flag = 1;
1074 et_entry = sc->enclosure_table;
1075 for (i = 0; i < num_entries; i++, et_entry++) {
1076 if (!et_entry->enc_handle && et_entry->
1077 init_complete) {
1078 done_flag = 0;
1079 if (i != (num_entries - 1)) {
1080 from = &sc->enclosure_table
1081 [i+1];
1082 to = &sc->enclosure_table[i];
1083 for (m = i; m < (num_entries -
1084 1); m++, from++, to++) {
1085 _mapping_set_mid_to_eid
1086 (sc, to);
1087 *to = *from;
1088 }
1089 _mapping_clear_enc_entry(to);
1090 sc->num_enc_table_entries--;
1091 num_entries =
1092 sc->num_enc_table_entries;
1093 } else {
1094 _mapping_clear_enc_entry
1095 (et_entry);
1096 sc->num_enc_table_entries--;
1097 num_entries =
1098 sc->num_enc_table_entries;
1099 }
1100 }
1101 }
1102 }
1103 }
1104 }
1105
1106 /**
1107 * _mapping_add_new_device -Add the new device into mapping table
1108 * @sc: per adapter object
1109 * @topo_change: Topology change event entry
1110 *
1111 * Search through the topology change event list and updates map table,
1112 * enclosure table and DPM pages for for the newly added devices.
1113 *
1114 * Returns nothing
1115 */
1116 static void
_mapping_add_new_device(struct mpr_softc * sc,struct _map_topology_change * topo_change)1117 _mapping_add_new_device(struct mpr_softc *sc,
1118 struct _map_topology_change *topo_change)
1119 {
1120 u8 enc_idx, missing_cnt, is_removed = 0;
1121 u16 dpm_idx;
1122 u32 search_idx, map_idx;
1123 u32 entry;
1124 struct dev_mapping_table *mt_entry;
1125 struct enc_mapping_table *et_entry;
1126 struct _map_phy_change *phy_change;
1127 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1128 Mpi2DriverMap0Entry_t *dpm_entry;
1129 uint64_t temp64_var;
1130 u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
1131 u8 hdr_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER);
1132 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
1133
1134 for (entry = 0; entry < topo_change->num_entries; entry++) {
1135 phy_change = &topo_change->phy_details[entry];
1136 if (phy_change->is_processed)
1137 continue;
1138 if (phy_change->reason != MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED ||
1139 !phy_change->dev_handle) {
1140 phy_change->is_processed = 1;
1141 continue;
1142 }
1143 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1144 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1145 enc_idx = _mapping_get_enc_idx_from_handle
1146 (sc, topo_change->enc_handle);
1147 if (enc_idx == MPR_ENCTABLE_BAD_IDX) {
1148 phy_change->is_processed = 1;
1149 printf("%s: failed to add the device with "
1150 "handle 0x%04x because the enclosure is "
1151 "not in the mapping table\n", __func__,
1152 phy_change->dev_handle);
1153 continue;
1154 }
1155 et_entry = &sc->enclosure_table[enc_idx];
1156 if (et_entry->start_index == MPR_MAPTABLE_BAD_IDX) {
1157 phy_change->is_processed = 1;
1158 if (!sc->mt_full_retry) {
1159 sc->mt_add_device_failed = 1;
1160 continue;
1161 }
1162 printf("%s: failed to add the device with "
1163 "handle 0x%04x because there is no free "
1164 "space available in the mapping table\n",
1165 __func__, phy_change->dev_handle);
1166 continue;
1167 }
1168 map_idx = et_entry->start_index + phy_change->slot -
1169 et_entry->start_slot;
1170 mt_entry = &sc->mapping_table[map_idx];
1171 mt_entry->physical_id = phy_change->physical_id;
1172 mt_entry->channel = 0;
1173 mt_entry->id = map_idx;
1174 mt_entry->dev_handle = phy_change->dev_handle;
1175 mt_entry->missing_count = 0;
1176 mt_entry->dpm_entry_num = et_entry->dpm_entry_num;
1177 mt_entry->device_info = phy_change->device_info |
1178 (MPR_DEV_RESERVED | MPR_MAP_IN_USE);
1179 if (sc->is_dpm_enable) {
1180 dpm_idx = et_entry->dpm_entry_num;
1181 if (dpm_idx == MPR_DPM_BAD_IDX)
1182 dpm_idx = _mapping_get_dpm_idx_from_id
1183 (sc, et_entry->enclosure_id,
1184 et_entry->phy_bits);
1185 if (dpm_idx == MPR_DPM_BAD_IDX) {
1186 dpm_idx = _mapping_get_free_dpm_idx(sc);
1187 if (dpm_idx != MPR_DPM_BAD_IDX) {
1188 dpm_entry =
1189 (Mpi2DriverMap0Entry_t *)
1190 ((u8 *) sc->dpm_pg0 +
1191 hdr_sz);
1192 dpm_entry += dpm_idx;
1193 dpm_entry->
1194 PhysicalIdentifier.Low =
1195 (0xFFFFFFFF &
1196 et_entry->enclosure_id);
1197 dpm_entry->
1198 PhysicalIdentifier.High =
1199 ( et_entry->enclosure_id
1200 >> 32);
1201 dpm_entry->DeviceIndex =
1202 (U16)et_entry->start_index;
1203 dpm_entry->MappingInformation =
1204 et_entry->num_slots;
1205 dpm_entry->MappingInformation
1206 <<= map_shift;
1207 dpm_entry->PhysicalBitsMapping
1208 = et_entry->phy_bits;
1209 et_entry->dpm_entry_num =
1210 dpm_idx;
1211 /* FIXME Do I need to set the dpm_idxin mt_entry too */
1212 sc->dpm_entry_used[dpm_idx] = 1;
1213 sc->dpm_flush_entry[dpm_idx] =
1214 1;
1215 phy_change->is_processed = 1;
1216 } else {
1217 phy_change->is_processed = 1;
1218 mpr_dprint(sc, MPR_INFO, "%s: "
1219 "failed to add the device "
1220 "with handle 0x%04x to "
1221 "persistent table because "
1222 "there is no free space "
1223 "available\n", __func__,
1224 phy_change->dev_handle);
1225 }
1226 } else {
1227 et_entry->dpm_entry_num = dpm_idx;
1228 mt_entry->dpm_entry_num = dpm_idx;
1229 }
1230 }
1231 /* FIXME Why not mt_entry too? */
1232 et_entry->init_complete = 1;
1233 } else if ((ioc_pg8_flags &
1234 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1235 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
1236 map_idx = _mapping_get_mt_idx_from_id
1237 (sc, phy_change->physical_id);
1238 if (map_idx == MPR_MAPTABLE_BAD_IDX) {
1239 search_idx = sc->num_rsvd_entries;
1240 if (topo_change->exp_handle)
1241 search_idx += max_num_phy_ids;
1242 map_idx = _mapping_get_free_mt_idx(sc,
1243 search_idx);
1244 }
1245 if (map_idx == MPR_MAPTABLE_BAD_IDX) {
1246 map_idx = _mapping_get_high_missing_mt_idx(sc);
1247 if (map_idx != MPR_MAPTABLE_BAD_IDX) {
1248 mt_entry = &sc->mapping_table[map_idx];
1249 if (mt_entry->dev_handle) {
1250 _mapping_add_to_removal_table
1251 (sc, mt_entry->dev_handle,
1252 0);
1253 is_removed = 1;
1254 }
1255 mt_entry->init_complete = 0;
1256 }
1257 }
1258 if (map_idx != MPR_MAPTABLE_BAD_IDX) {
1259 mt_entry = &sc->mapping_table[map_idx];
1260 mt_entry->physical_id = phy_change->physical_id;
1261 mt_entry->channel = 0;
1262 mt_entry->id = map_idx;
1263 mt_entry->dev_handle = phy_change->dev_handle;
1264 mt_entry->missing_count = 0;
1265 mt_entry->device_info = phy_change->device_info
1266 | (MPR_DEV_RESERVED | MPR_MAP_IN_USE);
1267 } else {
1268 phy_change->is_processed = 1;
1269 if (!sc->mt_full_retry) {
1270 sc->mt_add_device_failed = 1;
1271 continue;
1272 }
1273 printf("%s: failed to add the device with "
1274 "handle 0x%04x because there is no free "
1275 "space available in the mapping table\n",
1276 __func__, phy_change->dev_handle);
1277 continue;
1278 }
1279 if (sc->is_dpm_enable) {
1280 if (mt_entry->dpm_entry_num !=
1281 MPR_DPM_BAD_IDX) {
1282 dpm_idx = mt_entry->dpm_entry_num;
1283 dpm_entry = (Mpi2DriverMap0Entry_t *)
1284 ((u8 *)sc->dpm_pg0 + hdr_sz);
1285 dpm_entry += dpm_idx;
1286 missing_cnt = dpm_entry->
1287 MappingInformation &
1288 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
1289 temp64_var = dpm_entry->
1290 PhysicalIdentifier.High;
1291 temp64_var = (temp64_var << 32) |
1292 dpm_entry->PhysicalIdentifier.Low;
1293 if ((mt_entry->physical_id ==
1294 temp64_var) && !missing_cnt)
1295 mt_entry->init_complete = 1;
1296 } else {
1297 dpm_idx = _mapping_get_free_dpm_idx(sc);
1298 mt_entry->init_complete = 0;
1299 }
1300 if (dpm_idx != MPR_DPM_BAD_IDX &&
1301 !mt_entry->init_complete) {
1302 mt_entry->init_complete = 1;
1303 mt_entry->dpm_entry_num = dpm_idx;
1304 dpm_entry = (Mpi2DriverMap0Entry_t *)
1305 ((u8 *)sc->dpm_pg0 + hdr_sz);
1306 dpm_entry += dpm_idx;
1307 dpm_entry->PhysicalIdentifier.Low =
1308 (0xFFFFFFFF &
1309 mt_entry->physical_id);
1310 dpm_entry->PhysicalIdentifier.High =
1311 (mt_entry->physical_id >> 32);
1312 dpm_entry->DeviceIndex = (U16) map_idx;
1313 dpm_entry->MappingInformation = 0;
1314 dpm_entry->PhysicalBitsMapping = 0;
1315 sc->dpm_entry_used[dpm_idx] = 1;
1316 sc->dpm_flush_entry[dpm_idx] = 1;
1317 phy_change->is_processed = 1;
1318 } else if (dpm_idx == MPR_DPM_BAD_IDX) {
1319 phy_change->is_processed = 1;
1320 mpr_dprint(sc, MPR_INFO, "%s: "
1321 "failed to add the device "
1322 "with handle 0x%04x to "
1323 "persistent table because "
1324 "there is no free space "
1325 "available\n", __func__,
1326 phy_change->dev_handle);
1327 }
1328 }
1329 mt_entry->init_complete = 1;
1330 }
1331
1332 phy_change->is_processed = 1;
1333 }
1334 if (is_removed)
1335 _mapping_clear_removed_entries(sc);
1336 }
1337
1338 /**
1339 * _mapping_flush_dpm_pages -Flush the DPM pages to NVRAM
1340 * @sc: per adapter object
1341 *
1342 * Returns nothing
1343 */
1344 static void
_mapping_flush_dpm_pages(struct mpr_softc * sc)1345 _mapping_flush_dpm_pages(struct mpr_softc *sc)
1346 {
1347 Mpi2DriverMap0Entry_t *dpm_entry;
1348 Mpi2ConfigReply_t mpi_reply;
1349 Mpi2DriverMappingPage0_t config_page;
1350 u16 entry_num;
1351
1352 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++) {
1353 if (!sc->dpm_flush_entry[entry_num])
1354 continue;
1355 memset(&config_page, 0, sizeof(Mpi2DriverMappingPage0_t));
1356 memcpy(&config_page.Header, (u8 *)sc->dpm_pg0,
1357 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1358 dpm_entry = (Mpi2DriverMap0Entry_t *) ((u8 *)sc->dpm_pg0 +
1359 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1360 dpm_entry += entry_num;
1361 dpm_entry->MappingInformation = htole16(dpm_entry->
1362 MappingInformation);
1363 dpm_entry->DeviceIndex = htole16(dpm_entry->DeviceIndex);
1364 dpm_entry->PhysicalBitsMapping = htole32(dpm_entry->
1365 PhysicalBitsMapping);
1366 memcpy(&config_page.Entry, (u8 *)dpm_entry,
1367 sizeof(Mpi2DriverMap0Entry_t));
1368 /* TODO-How to handle failed writes? */
1369 if (mpr_config_set_dpm_pg0(sc, &mpi_reply, &config_page,
1370 entry_num)) {
1371 printf("%s: write of dpm entry %d for device failed\n",
1372 __func__, entry_num);
1373 } else
1374 sc->dpm_flush_entry[entry_num] = 0;
1375 dpm_entry->MappingInformation = le16toh(dpm_entry->
1376 MappingInformation);
1377 dpm_entry->DeviceIndex = le16toh(dpm_entry->DeviceIndex);
1378 dpm_entry->PhysicalBitsMapping = le32toh(dpm_entry->
1379 PhysicalBitsMapping);
1380 }
1381 }
1382
1383 /**
1384 * _mapping_allocate_memory- allocates the memory required for mapping tables
1385 * @sc: per adapter object
1386 *
1387 * Allocates the memory for all the tables required for host mapping
1388 *
1389 * Return 0 on success or non-zero on failure.
1390 */
1391 int
mpr_mapping_allocate_memory(struct mpr_softc * sc)1392 mpr_mapping_allocate_memory(struct mpr_softc *sc)
1393 {
1394 uint32_t dpm_pg0_sz;
1395
1396 sc->mapping_table = malloc((sizeof(struct dev_mapping_table) *
1397 sc->max_devices), M_MPR, M_ZERO|M_NOWAIT);
1398 if (!sc->mapping_table)
1399 goto free_resources;
1400
1401 sc->removal_table = malloc((sizeof(struct map_removal_table) *
1402 sc->max_devices), M_MPR, M_ZERO|M_NOWAIT);
1403 if (!sc->removal_table)
1404 goto free_resources;
1405
1406 sc->enclosure_table = malloc((sizeof(struct enc_mapping_table) *
1407 sc->max_enclosures), M_MPR, M_ZERO|M_NOWAIT);
1408 if (!sc->enclosure_table)
1409 goto free_resources;
1410
1411 sc->dpm_entry_used = malloc((sizeof(u8) * sc->max_dpm_entries),
1412 M_MPR, M_ZERO|M_NOWAIT);
1413 if (!sc->dpm_entry_used)
1414 goto free_resources;
1415
1416 sc->dpm_flush_entry = malloc((sizeof(u8) * sc->max_dpm_entries),
1417 M_MPR, M_ZERO|M_NOWAIT);
1418 if (!sc->dpm_flush_entry)
1419 goto free_resources;
1420
1421 dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) +
1422 (sc->max_dpm_entries * sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY));
1423
1424 sc->dpm_pg0 = malloc(dpm_pg0_sz, M_MPR, M_ZERO|M_NOWAIT);
1425 if (!sc->dpm_pg0) {
1426 printf("%s: memory alloc failed for dpm page; disabling dpm\n",
1427 __func__);
1428 sc->is_dpm_enable = 0;
1429 }
1430
1431 return 0;
1432
1433 free_resources:
1434 free(sc->mapping_table, M_MPR);
1435 free(sc->removal_table, M_MPR);
1436 free(sc->enclosure_table, M_MPR);
1437 free(sc->dpm_entry_used, M_MPR);
1438 free(sc->dpm_flush_entry, M_MPR);
1439 free(sc->dpm_pg0, M_MPR);
1440 printf("%s: device initialization failed due to failure in mapping "
1441 "table memory allocation\n", __func__);
1442 return -1;
1443 }
1444
1445 /**
1446 * mpr_mapping_free_memory- frees the memory allocated for mapping tables
1447 * @sc: per adapter object
1448 *
1449 * Returns nothing.
1450 */
1451 void
mpr_mapping_free_memory(struct mpr_softc * sc)1452 mpr_mapping_free_memory(struct mpr_softc *sc)
1453 {
1454 free(sc->mapping_table, M_MPR);
1455 free(sc->removal_table, M_MPR);
1456 free(sc->enclosure_table, M_MPR);
1457 free(sc->dpm_entry_used, M_MPR);
1458 free(sc->dpm_flush_entry, M_MPR);
1459 free(sc->dpm_pg0, M_MPR);
1460 }
1461
1462
1463 static void
_mapping_process_dpm_pg0(struct mpr_softc * sc)1464 _mapping_process_dpm_pg0(struct mpr_softc *sc)
1465 {
1466 u8 missing_cnt, enc_idx;
1467 u16 slot_id, entry_num, num_slots;
1468 u32 map_idx, dev_idx, start_idx, end_idx;
1469 struct dev_mapping_table *mt_entry;
1470 Mpi2DriverMap0Entry_t *dpm_entry;
1471 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1472 u16 max_num_phy_ids = le16toh(sc->ioc_pg8.MaxNumPhysicalMappedIDs);
1473 struct enc_mapping_table *et_entry;
1474 u64 physical_id;
1475 u32 phy_bits = 0;
1476
1477 if (sc->ir_firmware)
1478 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
1479
1480 dpm_entry = (Mpi2DriverMap0Entry_t *) ((uint8_t *) sc->dpm_pg0 +
1481 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1482 for (entry_num = 0; entry_num < sc->max_dpm_entries; entry_num++,
1483 dpm_entry++) {
1484 physical_id = dpm_entry->PhysicalIdentifier.High;
1485 physical_id = (physical_id << 32) |
1486 dpm_entry->PhysicalIdentifier.Low;
1487 if (!physical_id) {
1488 sc->dpm_entry_used[entry_num] = 0;
1489 continue;
1490 }
1491 sc->dpm_entry_used[entry_num] = 1;
1492 dpm_entry->MappingInformation = le16toh(dpm_entry->
1493 MappingInformation);
1494 missing_cnt = dpm_entry->MappingInformation &
1495 MPI2_DRVMAP0_MAPINFO_MISSING_MASK;
1496 dev_idx = le16toh(dpm_entry->DeviceIndex);
1497 phy_bits = le32toh(dpm_entry->PhysicalBitsMapping);
1498 if (sc->ir_firmware && (dev_idx >= start_idx) &&
1499 (dev_idx <= end_idx)) {
1500 mt_entry = &sc->mapping_table[dev_idx];
1501 mt_entry->physical_id = dpm_entry->PhysicalIdentifier.High;
1502 mt_entry->physical_id = (mt_entry->physical_id << 32) |
1503 dpm_entry->PhysicalIdentifier.Low;
1504 mt_entry->channel = MPR_RAID_CHANNEL;
1505 mt_entry->id = dev_idx;
1506 mt_entry->missing_count = missing_cnt;
1507 mt_entry->dpm_entry_num = entry_num;
1508 mt_entry->device_info = MPR_DEV_RESERVED;
1509 continue;
1510 }
1511 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1512 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1513 if (dev_idx < (sc->num_rsvd_entries +
1514 max_num_phy_ids)) {
1515 slot_id = 0;
1516 if (ioc_pg8_flags &
1517 MPI2_IOCPAGE8_FLAGS_DA_START_SLOT_1)
1518 slot_id = 1;
1519 num_slots = max_num_phy_ids;
1520 } else {
1521 slot_id = 0;
1522 num_slots = dpm_entry->MappingInformation &
1523 MPI2_DRVMAP0_MAPINFO_SLOT_MASK;
1524 num_slots >>= MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
1525 }
1526 enc_idx = sc->num_enc_table_entries;
1527 if (enc_idx >= sc->max_enclosures) {
1528 printf("%s: enclosure entries exceed max "
1529 "enclosures of %d\n", __func__,
1530 sc->max_enclosures);
1531 break;
1532 }
1533 sc->num_enc_table_entries++;
1534 et_entry = &sc->enclosure_table[enc_idx];
1535 physical_id = dpm_entry->PhysicalIdentifier.High;
1536 et_entry->enclosure_id = (physical_id << 32) |
1537 dpm_entry->PhysicalIdentifier.Low;
1538 et_entry->start_index = dev_idx;
1539 et_entry->dpm_entry_num = entry_num;
1540 et_entry->num_slots = num_slots;
1541 et_entry->start_slot = slot_id;
1542 et_entry->missing_count = missing_cnt;
1543 et_entry->phy_bits = phy_bits;
1544
1545 mt_entry = &sc->mapping_table[dev_idx];
1546 for (map_idx = dev_idx; map_idx < (dev_idx + num_slots);
1547 map_idx++, mt_entry++) {
1548 if (mt_entry->dpm_entry_num !=
1549 MPR_DPM_BAD_IDX) {
1550 printf("%s: conflict in mapping table "
1551 "for enclosure %d\n", __func__,
1552 enc_idx);
1553 break;
1554 }
1555 physical_id = dpm_entry->PhysicalIdentifier.High;
1556 mt_entry->physical_id = (physical_id << 32) |
1557 dpm_entry->PhysicalIdentifier.Low;
1558 mt_entry->phy_bits = phy_bits;
1559 mt_entry->channel = 0;
1560 mt_entry->id = dev_idx;
1561 mt_entry->dpm_entry_num = entry_num;
1562 mt_entry->missing_count = missing_cnt;
1563 mt_entry->device_info = MPR_DEV_RESERVED;
1564 }
1565 } else if ((ioc_pg8_flags &
1566 MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1567 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
1568 map_idx = dev_idx;
1569 mt_entry = &sc->mapping_table[map_idx];
1570 if (mt_entry->dpm_entry_num != MPR_DPM_BAD_IDX) {
1571 printf("%s: conflict in mapping table for "
1572 "device %d\n", __func__, map_idx);
1573 break;
1574 }
1575 physical_id = dpm_entry->PhysicalIdentifier.High;
1576 mt_entry->physical_id = (physical_id << 32) |
1577 dpm_entry->PhysicalIdentifier.Low;
1578 mt_entry->phy_bits = phy_bits;
1579 mt_entry->channel = 0;
1580 mt_entry->id = dev_idx;
1581 mt_entry->missing_count = missing_cnt;
1582 mt_entry->dpm_entry_num = entry_num;
1583 mt_entry->device_info = MPR_DEV_RESERVED;
1584 }
1585 } /*close the loop for DPM table */
1586 }
1587
1588 /*
1589 * mpr_mapping_check_devices - start of the day check for device availabilty
1590 * @sc: per adapter object
1591 * @sleep_flag: Flag indicating whether this function can sleep or not
1592 *
1593 * Returns nothing.
1594 */
1595 void
mpr_mapping_check_devices(struct mpr_softc * sc,int sleep_flag)1596 mpr_mapping_check_devices(struct mpr_softc *sc, int sleep_flag)
1597 {
1598 u32 i;
1599 /* u32 cntdn, i;
1600 u32 timeout = 60;*/
1601 struct dev_mapping_table *mt_entry;
1602 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1603 struct enc_mapping_table *et_entry;
1604 u32 start_idx, end_idx;
1605
1606 /* We need to ucomment this when this function is called
1607 * from the port enable complete */
1608 #if 0
1609 sc->track_mapping_events = 0;
1610 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
1611 do {
1612 if (!sc->pending_map_events)
1613 break;
1614 if (sleep_flag == CAN_SLEEP)
1615 pause("mpr_pause", (hz/1000));/* 1msec sleep */
1616 else
1617 DELAY(500); /* 500 useconds delay */
1618 } while (--cntdn);
1619
1620
1621 if (!cntdn)
1622 printf("%s: there are %d"
1623 " pending events after %d seconds of delay\n",
1624 __func__, sc->pending_map_events, timeout);
1625 #endif
1626 sc->pending_map_events = 0;
1627
1628 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1629 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING) {
1630 et_entry = sc->enclosure_table;
1631 for (i = 0; i < sc->num_enc_table_entries; i++, et_entry++) {
1632 if (!et_entry->init_complete) {
1633 if (et_entry->missing_count <
1634 MPR_MAX_MISSING_COUNT) {
1635 et_entry->missing_count++;
1636 if (et_entry->dpm_entry_num !=
1637 MPR_DPM_BAD_IDX)
1638 _mapping_commit_enc_entry(sc,
1639 et_entry);
1640 }
1641 et_entry->init_complete = 1;
1642 }
1643 }
1644 if (!sc->ir_firmware)
1645 return;
1646 _mapping_get_ir_maprange(sc, &start_idx, &end_idx);
1647 mt_entry = &sc->mapping_table[start_idx];
1648 for (i = start_idx; i < (end_idx + 1); i++, mt_entry++) {
1649 if (mt_entry->device_info & MPR_DEV_RESERVED
1650 && !mt_entry->physical_id)
1651 mt_entry->init_complete = 1;
1652 else if (mt_entry->device_info & MPR_DEV_RESERVED) {
1653 if (!mt_entry->init_complete) {
1654 if (mt_entry->missing_count <
1655 MPR_MAX_MISSING_COUNT) {
1656 mt_entry->missing_count++;
1657 if (mt_entry->dpm_entry_num !=
1658 MPR_DPM_BAD_IDX)
1659 _mapping_commit_map_entry(sc,
1660 mt_entry);
1661 }
1662 mt_entry->init_complete = 1;
1663 }
1664 }
1665 }
1666 } else if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) ==
1667 MPI2_IOCPAGE8_FLAGS_DEVICE_PERSISTENCE_MAPPING) {
1668 mt_entry = sc->mapping_table;
1669 for (i = 0; i < sc->max_devices; i++, mt_entry++) {
1670 if (mt_entry->device_info & MPR_DEV_RESERVED
1671 && !mt_entry->physical_id)
1672 mt_entry->init_complete = 1;
1673 else if (mt_entry->device_info & MPR_DEV_RESERVED) {
1674 if (!mt_entry->init_complete) {
1675 if (mt_entry->missing_count <
1676 MPR_MAX_MISSING_COUNT) {
1677 mt_entry->missing_count++;
1678 if (mt_entry->dpm_entry_num !=
1679 MPR_DPM_BAD_IDX)
1680 _mapping_commit_map_entry(sc,
1681 mt_entry);
1682 }
1683 mt_entry->init_complete = 1;
1684 }
1685 }
1686 }
1687 }
1688 }
1689
1690
1691 /**
1692 * mpr_mapping_is_reinit_required - check whether event replay required
1693 * @sc: per adapter object
1694 *
1695 * Checks the per ioc flags and decide whether reinit of events required
1696 *
1697 * Returns 1 for reinit of ioc 0 for not.
1698 */
mpr_mapping_is_reinit_required(struct mpr_softc * sc)1699 int mpr_mapping_is_reinit_required(struct mpr_softc *sc)
1700 {
1701 if (!sc->mt_full_retry && sc->mt_add_device_failed) {
1702 sc->mt_full_retry = 1;
1703 sc->mt_add_device_failed = 0;
1704 _mapping_flush_dpm_pages(sc);
1705 return 1;
1706 }
1707 sc->mt_full_retry = 1;
1708 return 0;
1709 }
1710
1711 /**
1712 * mpr_mapping_initialize - initialize mapping tables
1713 * @sc: per adapter object
1714 *
1715 * Read controller persitant mapping tables into internal data area.
1716 *
1717 * Return 0 for success or non-zero for failure.
1718 */
1719 int
mpr_mapping_initialize(struct mpr_softc * sc)1720 mpr_mapping_initialize(struct mpr_softc *sc)
1721 {
1722 uint16_t volume_mapping_flags, dpm_pg0_sz;
1723 uint32_t i;
1724 Mpi2ConfigReply_t mpi_reply;
1725 int error;
1726 uint8_t retry_count;
1727 uint16_t ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1728
1729 /* The additional 1 accounts for the virtual enclosure
1730 * created for the controller
1731 */
1732 sc->max_enclosures = sc->facts->MaxEnclosures + 1;
1733 sc->max_expanders = sc->facts->MaxSasExpanders;
1734 sc->max_volumes = sc->facts->MaxVolumes;
1735 sc->max_devices = sc->facts->MaxTargets + sc->max_volumes;
1736 sc->pending_map_events = 0;
1737 sc->num_enc_table_entries = 0;
1738 sc->num_rsvd_entries = 0;
1739 sc->num_channels = 1;
1740 sc->max_dpm_entries = sc->ioc_pg8.MaxPersistentEntries;
1741 sc->is_dpm_enable = (sc->max_dpm_entries) ? 1 : 0;
1742 sc->track_mapping_events = 0;
1743
1744 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_DISABLE_PERSISTENT_MAPPING)
1745 sc->is_dpm_enable = 0;
1746
1747 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
1748 sc->num_rsvd_entries = 1;
1749
1750 volume_mapping_flags = sc->ioc_pg8.IRVolumeMappingFlags &
1751 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
1752 if (sc->ir_firmware && (volume_mapping_flags ==
1753 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING))
1754 sc->num_rsvd_entries += sc->max_volumes;
1755
1756 error = mpr_mapping_allocate_memory(sc);
1757 if (error)
1758 return (error);
1759
1760 for (i = 0; i < sc->max_devices; i++)
1761 _mapping_clear_map_entry(sc->mapping_table + i);
1762
1763 for (i = 0; i < sc->max_enclosures; i++)
1764 _mapping_clear_enc_entry(sc->enclosure_table + i);
1765
1766 for (i = 0; i < sc->max_devices; i++) {
1767 sc->removal_table[i].dev_handle = 0;
1768 sc->removal_table[i].dpm_entry_num = MPR_DPM_BAD_IDX;
1769 }
1770
1771 memset(sc->dpm_entry_used, 0, sc->max_dpm_entries);
1772 memset(sc->dpm_flush_entry, 0, sc->max_dpm_entries);
1773
1774 if (sc->is_dpm_enable) {
1775 dpm_pg0_sz = sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER) +
1776 (sc->max_dpm_entries *
1777 sizeof(MPI2_CONFIG_PAGE_DRIVER_MAP0_ENTRY));
1778 retry_count = 0;
1779
1780 retry_read_dpm:
1781 if (mpr_config_get_dpm_pg0(sc, &mpi_reply, sc->dpm_pg0,
1782 dpm_pg0_sz)) {
1783 printf("%s: dpm page read failed; disabling dpm\n",
1784 __func__);
1785 if (retry_count < 3) {
1786 retry_count++;
1787 goto retry_read_dpm;
1788 }
1789 sc->is_dpm_enable = 0;
1790 }
1791 }
1792
1793 if (sc->is_dpm_enable)
1794 _mapping_process_dpm_pg0(sc);
1795
1796 sc->track_mapping_events = 1;
1797 return 0;
1798 }
1799
1800 /**
1801 * mpr_mapping_exit - clear mapping table and associated memory
1802 * @sc: per adapter object
1803 *
1804 * Returns nothing.
1805 */
1806 void
mpr_mapping_exit(struct mpr_softc * sc)1807 mpr_mapping_exit(struct mpr_softc *sc)
1808 {
1809 _mapping_flush_dpm_pages(sc);
1810 mpr_mapping_free_memory(sc);
1811 }
1812
1813 /**
1814 * mpr_mapping_get_sas_id - assign a target id for sas device
1815 * @sc: per adapter object
1816 * @sas_address: sas address of the device
1817 * @handle: device handle
1818 *
1819 * Returns valid ID on success or BAD_ID.
1820 */
1821 unsigned int
mpr_mapping_get_sas_id(struct mpr_softc * sc,uint64_t sas_address,u16 handle)1822 mpr_mapping_get_sas_id(struct mpr_softc *sc, uint64_t sas_address, u16 handle)
1823 {
1824 u32 map_idx;
1825 struct dev_mapping_table *mt_entry;
1826
1827 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
1828 mt_entry = &sc->mapping_table[map_idx];
1829 if (mt_entry->dev_handle == handle && mt_entry->physical_id ==
1830 sas_address)
1831 return mt_entry->id;
1832 }
1833
1834 return MPR_MAP_BAD_ID;
1835 }
1836
1837 /**
1838 * mpr_mapping_get_sas_id_from_handle - find a target id in mapping table using
1839 * only the dev handle. This is just a wrapper function for the local function
1840 * _mapping_get_mt_idx_from_handle.
1841 * @sc: per adapter object
1842 * @handle: device handle
1843 *
1844 * Returns valid ID on success or BAD_ID.
1845 */
1846 unsigned int
mpr_mapping_get_sas_id_from_handle(struct mpr_softc * sc,u16 handle)1847 mpr_mapping_get_sas_id_from_handle(struct mpr_softc *sc, u16 handle)
1848 {
1849 return (_mapping_get_mt_idx_from_handle(sc, handle));
1850 }
1851
1852 /**
1853 * mpr_mapping_get_raid_id - assign a target id for raid device
1854 * @sc: per adapter object
1855 * @wwid: world wide identifier for raid volume
1856 * @handle: device handle
1857 *
1858 * Returns valid ID on success or BAD_ID.
1859 */
1860 unsigned int
mpr_mapping_get_raid_id(struct mpr_softc * sc,u64 wwid,u16 handle)1861 mpr_mapping_get_raid_id(struct mpr_softc *sc, u64 wwid, u16 handle)
1862 {
1863 u32 map_idx;
1864 struct dev_mapping_table *mt_entry;
1865
1866 for (map_idx = 0; map_idx < sc->max_devices; map_idx++) {
1867 mt_entry = &sc->mapping_table[map_idx];
1868 if (mt_entry->dev_handle == handle && mt_entry->physical_id ==
1869 wwid)
1870 return mt_entry->id;
1871 }
1872
1873 return MPR_MAP_BAD_ID;
1874 }
1875
1876 /**
1877 * mpr_mapping_get_raid_id_from_handle - find raid device in mapping table
1878 * using only the volume dev handle. This is just a wrapper function for the
1879 * local function _mapping_get_ir_mt_idx_from_handle.
1880 * @sc: per adapter object
1881 * @volHandle: volume device handle
1882 *
1883 * Returns valid ID on success or BAD_ID.
1884 */
1885 unsigned int
mpr_mapping_get_raid_id_from_handle(struct mpr_softc * sc,u16 volHandle)1886 mpr_mapping_get_raid_id_from_handle(struct mpr_softc *sc, u16 volHandle)
1887 {
1888 return (_mapping_get_ir_mt_idx_from_handle(sc, volHandle));
1889 }
1890
1891 /**
1892 * mpr_mapping_enclosure_dev_status_change_event - handle enclosure events
1893 * @sc: per adapter object
1894 * @event_data: event data payload
1895 *
1896 * Return nothing.
1897 */
1898 void
mpr_mapping_enclosure_dev_status_change_event(struct mpr_softc * sc,Mpi2EventDataSasEnclDevStatusChange_t * event_data)1899 mpr_mapping_enclosure_dev_status_change_event(struct mpr_softc *sc,
1900 Mpi2EventDataSasEnclDevStatusChange_t *event_data)
1901 {
1902 u8 enc_idx, missing_count;
1903 struct enc_mapping_table *et_entry;
1904 Mpi2DriverMap0Entry_t *dpm_entry;
1905 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1906 u8 map_shift = MPI2_DRVMAP0_MAPINFO_SLOT_SHIFT;
1907 u8 update_phy_bits = 0;
1908 u32 saved_phy_bits;
1909 uint64_t temp64_var;
1910
1911 if ((ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_MASK_MAPPING_MODE) !=
1912 MPI2_IOCPAGE8_FLAGS_ENCLOSURE_SLOT_MAPPING)
1913 goto out;
1914
1915 dpm_entry = (Mpi2DriverMap0Entry_t *)((u8 *)sc->dpm_pg0 +
1916 sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
1917
1918 if (event_data->ReasonCode == MPI2_EVENT_SAS_ENCL_RC_ADDED) {
1919 if (!event_data->NumSlots) {
1920 printf("%s: enclosure with handle = 0x%x reported 0 "
1921 "slots\n", __func__,
1922 le16toh(event_data->EnclosureHandle));
1923 goto out;
1924 }
1925 temp64_var = event_data->EnclosureLogicalID.High;
1926 temp64_var = (temp64_var << 32) |
1927 event_data->EnclosureLogicalID.Low;
1928 enc_idx = _mapping_get_enc_idx_from_id(sc, temp64_var,
1929 event_data->PhyBits);
1930 if (enc_idx != MPR_ENCTABLE_BAD_IDX) {
1931 et_entry = &sc->enclosure_table[enc_idx];
1932 if (et_entry->init_complete &&
1933 !et_entry->missing_count) {
1934 printf("%s: enclosure %d is already present "
1935 "with handle = 0x%x\n",__func__, enc_idx,
1936 et_entry->enc_handle);
1937 goto out;
1938 }
1939 et_entry->enc_handle = le16toh(event_data->
1940 EnclosureHandle);
1941 et_entry->start_slot = le16toh(event_data->StartSlot);
1942 saved_phy_bits = et_entry->phy_bits;
1943 et_entry->phy_bits |= le32toh(event_data->PhyBits);
1944 if (saved_phy_bits != et_entry->phy_bits)
1945 update_phy_bits = 1;
1946 if (et_entry->missing_count || update_phy_bits) {
1947 et_entry->missing_count = 0;
1948 if (sc->is_dpm_enable &&
1949 et_entry->dpm_entry_num !=
1950 MPR_DPM_BAD_IDX) {
1951 dpm_entry += et_entry->dpm_entry_num;
1952 missing_count =
1953 (u8)(dpm_entry->MappingInformation &
1954 MPI2_DRVMAP0_MAPINFO_MISSING_MASK);
1955 if (!et_entry->init_complete && (
1956 missing_count || update_phy_bits)) {
1957 dpm_entry->MappingInformation
1958 = et_entry->num_slots;
1959 dpm_entry->MappingInformation
1960 <<= map_shift;
1961 dpm_entry->PhysicalBitsMapping
1962 = et_entry->phy_bits;
1963 sc->dpm_flush_entry[et_entry->
1964 dpm_entry_num] = 1;
1965 }
1966 }
1967 }
1968 } else {
1969 enc_idx = sc->num_enc_table_entries;
1970 if (enc_idx >= sc->max_enclosures) {
1971 printf("%s: enclosure can not be added; "
1972 "mapping table is full\n", __func__);
1973 goto out;
1974 }
1975 sc->num_enc_table_entries++;
1976 et_entry = &sc->enclosure_table[enc_idx];
1977 et_entry->enc_handle = le16toh(event_data->
1978 EnclosureHandle);
1979 et_entry->enclosure_id = event_data->
1980 EnclosureLogicalID.High;
1981 et_entry->enclosure_id = ( et_entry->enclosure_id <<
1982 32) | event_data->EnclosureLogicalID.Low;
1983 et_entry->start_index = MPR_MAPTABLE_BAD_IDX;
1984 et_entry->dpm_entry_num = MPR_DPM_BAD_IDX;
1985 et_entry->num_slots = le16toh(event_data->NumSlots);
1986 et_entry->start_slot = le16toh(event_data->StartSlot);
1987 et_entry->phy_bits = le32toh(event_data->PhyBits);
1988 }
1989 et_entry->init_complete = 1;
1990 } else if (event_data->ReasonCode ==
1991 MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING) {
1992 enc_idx = _mapping_get_enc_idx_from_handle(sc,
1993 le16toh(event_data->EnclosureHandle));
1994 if (enc_idx == MPR_ENCTABLE_BAD_IDX) {
1995 printf("%s: cannot unmap enclosure %d because it has "
1996 "already been deleted", __func__, enc_idx);
1997 goto out;
1998 }
1999 et_entry = &sc->enclosure_table[enc_idx];
2000 if (!et_entry->init_complete) {
2001 if (et_entry->missing_count < MPR_MAX_MISSING_COUNT)
2002 et_entry->missing_count++;
2003 else
2004 et_entry->init_complete = 1;
2005 }
2006 if (!et_entry->missing_count)
2007 et_entry->missing_count++;
2008 if (sc->is_dpm_enable && !et_entry->init_complete &&
2009 et_entry->dpm_entry_num != MPR_DPM_BAD_IDX) {
2010 dpm_entry += et_entry->dpm_entry_num;
2011 dpm_entry->MappingInformation = et_entry->num_slots;
2012 dpm_entry->MappingInformation <<= map_shift;
2013 dpm_entry->MappingInformation |=
2014 et_entry->missing_count;
2015 sc->dpm_flush_entry[et_entry->dpm_entry_num] = 1;
2016 }
2017 et_entry->init_complete = 1;
2018 }
2019
2020 out:
2021 _mapping_flush_dpm_pages(sc);
2022 if (sc->pending_map_events)
2023 sc->pending_map_events--;
2024 }
2025
2026 /**
2027 * mpr_mapping_topology_change_event - handle topology change events
2028 * @sc: per adapter object
2029 * @event_data: event data payload
2030 *
2031 * Returns nothing.
2032 */
2033 void
mpr_mapping_topology_change_event(struct mpr_softc * sc,Mpi2EventDataSasTopologyChangeList_t * event_data)2034 mpr_mapping_topology_change_event(struct mpr_softc *sc,
2035 Mpi2EventDataSasTopologyChangeList_t *event_data)
2036 {
2037 struct _map_topology_change topo_change;
2038 struct _map_phy_change *phy_change;
2039 Mpi2EventSasTopoPhyEntry_t *event_phy_change;
2040 u8 i, num_entries;
2041
2042 topo_change.enc_handle = le16toh(event_data->EnclosureHandle);
2043 topo_change.exp_handle = le16toh(event_data->ExpanderDevHandle);
2044 num_entries = event_data->NumEntries;
2045 topo_change.num_entries = num_entries;
2046 topo_change.start_phy_num = event_data->StartPhyNum;
2047 topo_change.num_phys = event_data->NumPhys;
2048 topo_change.exp_status = event_data->ExpStatus;
2049 event_phy_change = event_data->PHY;
2050 topo_change.phy_details = NULL;
2051
2052 if (!num_entries)
2053 goto out;
2054 phy_change = malloc(sizeof(struct _map_phy_change) * num_entries,
2055 M_MPR, M_NOWAIT|M_ZERO);
2056 topo_change.phy_details = phy_change;
2057 if (!phy_change)
2058 goto out;
2059 for (i = 0; i < num_entries; i++, event_phy_change++, phy_change++) {
2060 phy_change->dev_handle = le16toh(event_phy_change->
2061 AttachedDevHandle);
2062 phy_change->reason = event_phy_change->PhyStatus &
2063 MPI2_EVENT_SAS_TOPO_RC_MASK;
2064 }
2065 _mapping_update_missing_count(sc, &topo_change);
2066 _mapping_get_dev_info(sc, &topo_change);
2067 _mapping_clear_removed_entries(sc);
2068 _mapping_add_new_device(sc, &topo_change);
2069
2070 out:
2071 free(topo_change.phy_details, M_MPR);
2072 _mapping_flush_dpm_pages(sc);
2073 if (sc->pending_map_events)
2074 sc->pending_map_events--;
2075 }
2076
2077 /**
2078 * _mapping_check_update_ir_mt_idx - Check and update IR map table index
2079 * @sc: per adapter object
2080 * @event_data: event data payload
2081 * @evt_idx: current event index
2082 * @map_idx: current index and the place holder for new map table index
2083 * @wwid_table: world wide name for volumes in the element table
2084 *
2085 * pass through IR events and find whether any events matches and if so
2086 * tries to find new index if not returns failure
2087 *
2088 * Returns 0 on success and 1 on failure
2089 */
2090 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)2091 _mapping_check_update_ir_mt_idx(struct mpr_softc *sc,
2092 Mpi2EventDataIrConfigChangeList_t *event_data, int evt_idx, u32 *map_idx,
2093 u64 *wwid_table)
2094 {
2095 struct dev_mapping_table *mt_entry;
2096 u32 st_idx, end_idx, mt_idx = *map_idx;
2097 u8 match = 0;
2098 Mpi2EventIrConfigElement_t *element;
2099 u16 element_flags;
2100 int i;
2101
2102 mt_entry = &sc->mapping_table[mt_idx];
2103 _mapping_get_ir_maprange(sc, &st_idx, &end_idx);
2104 search_again:
2105 match = 0;
2106 for (i = evt_idx + 1; i < event_data->NumElements; i++) {
2107 element = (Mpi2EventIrConfigElement_t *)
2108 &event_data->ConfigElement[i];
2109 element_flags = le16toh(element->ElementFlags);
2110 if ((element_flags &
2111 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK) !=
2112 MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT)
2113 continue;
2114 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_ADDED ||
2115 element->ReasonCode ==
2116 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) {
2117 if (mt_entry->physical_id == wwid_table[i]) {
2118 match = 1;
2119 break;
2120 }
2121 }
2122 }
2123
2124 if (match) {
2125 do {
2126 mt_idx++;
2127 if (mt_idx > end_idx)
2128 return 1;
2129 mt_entry = &sc->mapping_table[mt_idx];
2130 } while (mt_entry->device_info & MPR_MAP_IN_USE);
2131 goto search_again;
2132 }
2133 *map_idx = mt_idx;
2134 return 0;
2135 }
2136
2137 /**
2138 * mpr_mapping_ir_config_change_event - handle IR config change list events
2139 * @sc: per adapter object
2140 * @event_data: event data payload
2141 *
2142 * Returns nothing.
2143 */
2144 void
mpr_mapping_ir_config_change_event(struct mpr_softc * sc,Mpi2EventDataIrConfigChangeList_t * event_data)2145 mpr_mapping_ir_config_change_event(struct mpr_softc *sc,
2146 Mpi2EventDataIrConfigChangeList_t *event_data)
2147 {
2148 Mpi2EventIrConfigElement_t *element;
2149 int i;
2150 u64 *wwid_table;
2151 u32 map_idx, flags;
2152 struct dev_mapping_table *mt_entry;
2153 u16 element_flags;
2154 u8 log_full_error = 0;
2155
2156 wwid_table = malloc(sizeof(u64) * event_data->NumElements, M_MPR,
2157 M_NOWAIT | M_ZERO);
2158 if (!wwid_table)
2159 goto out;
2160 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
2161 flags = le32toh(event_data->Flags);
2162 for (i = 0; i < event_data->NumElements; i++, element++) {
2163 element_flags = le16toh(element->ElementFlags);
2164 if ((element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_ADDED) &&
2165 (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_REMOVED) &&
2166 (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE)
2167 && (element->ReasonCode !=
2168 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED))
2169 continue;
2170 if ((element_flags &
2171 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK) ==
2172 MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT) {
2173 mpr_config_get_volume_wwid(sc,
2174 le16toh(element->VolDevHandle), &wwid_table[i]);
2175 map_idx = _mapping_get_ir_mt_idx_from_wwid(sc,
2176 wwid_table[i]);
2177 if (map_idx != MPR_MAPTABLE_BAD_IDX) {
2178 mt_entry = &sc->mapping_table[map_idx];
2179 mt_entry->device_info |= MPR_MAP_IN_USE;
2180 }
2181 }
2182 }
2183 if (flags == MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
2184 goto out;
2185 else {
2186 element = (Mpi2EventIrConfigElement_t *)&event_data->
2187 ConfigElement[0];
2188 for (i = 0; i < event_data->NumElements; i++, element++) {
2189 if (element->ReasonCode ==
2190 MPI2_EVENT_IR_CHANGE_RC_ADDED ||
2191 element->ReasonCode ==
2192 MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED) {
2193 map_idx = _mapping_get_ir_mt_idx_from_wwid
2194 (sc, wwid_table[i]);
2195 if (map_idx != MPR_MAPTABLE_BAD_IDX) {
2196 mt_entry = &sc->mapping_table[map_idx];
2197 mt_entry->channel = MPR_RAID_CHANNEL;
2198 mt_entry->id = map_idx;
2199 mt_entry->dev_handle = le16toh
2200 (element->VolDevHandle);
2201 mt_entry->device_info =
2202 MPR_DEV_RESERVED | MPR_MAP_IN_USE;
2203 _mapping_update_ir_missing_cnt(sc,
2204 map_idx, element, wwid_table[i]);
2205 continue;
2206 }
2207 map_idx = _mapping_get_free_ir_mt_idx(sc);
2208 if (map_idx == MPR_MAPTABLE_BAD_IDX)
2209 log_full_error = 1;
2210 else if (i < (event_data->NumElements - 1)) {
2211 log_full_error =
2212 _mapping_check_update_ir_mt_idx
2213 (sc, event_data, i, &map_idx,
2214 wwid_table);
2215 }
2216 if (log_full_error) {
2217 printf("%s: no space to add the RAID "
2218 "volume with handle 0x%04x in "
2219 "mapping table\n", __func__, le16toh
2220 (element->VolDevHandle));
2221 continue;
2222 }
2223 mt_entry = &sc->mapping_table[map_idx];
2224 mt_entry->physical_id = wwid_table[i];
2225 mt_entry->channel = MPR_RAID_CHANNEL;
2226 mt_entry->id = map_idx;
2227 mt_entry->dev_handle = le16toh(element->
2228 VolDevHandle);
2229 mt_entry->device_info = MPR_DEV_RESERVED |
2230 MPR_MAP_IN_USE;
2231 mt_entry->init_complete = 0;
2232 _mapping_update_ir_missing_cnt(sc, map_idx,
2233 element, wwid_table[i]);
2234 } else if (element->ReasonCode ==
2235 MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
2236 map_idx = _mapping_get_ir_mt_idx_from_wwid(sc,
2237 wwid_table[i]);
2238 if (map_idx == MPR_MAPTABLE_BAD_IDX) {
2239 printf("%s: failed to remove a volume "
2240 "because it has already been "
2241 "removed\n", __func__);
2242 continue;
2243 }
2244 _mapping_update_ir_missing_cnt(sc, map_idx,
2245 element, wwid_table[i]);
2246 } else if (element->ReasonCode ==
2247 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED) {
2248 map_idx = _mapping_get_mt_idx_from_handle(sc,
2249 le16toh(element->VolDevHandle));
2250 if (map_idx == MPR_MAPTABLE_BAD_IDX) {
2251 printf("%s: failed to remove volume "
2252 "with handle 0x%04x because it has "
2253 "already been removed\n", __func__,
2254 le16toh(element->VolDevHandle));
2255 continue;
2256 }
2257 mt_entry = &sc->mapping_table[map_idx];
2258 _mapping_update_ir_missing_cnt(sc, map_idx,
2259 element, mt_entry->physical_id);
2260 }
2261 }
2262 }
2263
2264 out:
2265 _mapping_flush_dpm_pages(sc);
2266 free(wwid_table, M_MPR);
2267 if (sc->pending_map_events)
2268 sc->pending_map_events--;
2269 }
2270