1 /*-
2 * Copyright (c) 2010 Alexander Motin <mav@FreeBSD.org>
3 * Copyright (c) 2000 - 2008 Søren Schmidt <sos@FreeBSD.org>
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 AUTHORS 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 AUTHORS 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
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD: releng/9.1/sys/geom/raid/md_intel.c 240558 2012-09-16 11:02:22Z mav $");
30
31 #include <sys/param.h>
32 #include <sys/bio.h>
33 #include <sys/endian.h>
34 #include <sys/kernel.h>
35 #include <sys/kobj.h>
36 #include <sys/limits.h>
37 #include <sys/lock.h>
38 #include <sys/malloc.h>
39 #include <sys/mutex.h>
40 #include <sys/systm.h>
41 #include <sys/taskqueue.h>
42 #include <geom/geom.h>
43 #include "geom/raid/g_raid.h"
44 #include "g_raid_md_if.h"
45
46 static MALLOC_DEFINE(M_MD_INTEL, "md_intel_data", "GEOM_RAID Intel metadata");
47
48 struct intel_raid_map {
49 uint32_t offset;
50 uint32_t disk_sectors;
51 uint32_t stripe_count;
52 uint16_t strip_sectors;
53 uint8_t status;
54 #define INTEL_S_READY 0x00
55 #define INTEL_S_UNINITIALIZED 0x01
56 #define INTEL_S_DEGRADED 0x02
57 #define INTEL_S_FAILURE 0x03
58
59 uint8_t type;
60 #define INTEL_T_RAID0 0x00
61 #define INTEL_T_RAID1 0x01
62 #define INTEL_T_RAID5 0x05
63
64 uint8_t total_disks;
65 uint8_t total_domains;
66 uint8_t failed_disk_num;
67 uint8_t ddf;
68 uint32_t offset_hi;
69 uint32_t disk_sectors_hi;
70 uint32_t stripe_count_hi;
71 uint32_t filler_2[4];
72 uint32_t disk_idx[1]; /* total_disks entries. */
73 #define INTEL_DI_IDX 0x00ffffff
74 #define INTEL_DI_RBLD 0x01000000
75 } __packed;
76
77 struct intel_raid_vol {
78 uint8_t name[16];
79 u_int64_t total_sectors __packed;
80 uint32_t state;
81 #define INTEL_ST_BOOTABLE 0x00000001
82 #define INTEL_ST_BOOT_DEVICE 0x00000002
83 #define INTEL_ST_READ_COALESCING 0x00000004
84 #define INTEL_ST_WRITE_COALESCING 0x00000008
85 #define INTEL_ST_LAST_SHUTDOWN_DIRTY 0x00000010
86 #define INTEL_ST_HIDDEN_AT_BOOT 0x00000020
87 #define INTEL_ST_CURRENTLY_HIDDEN 0x00000040
88 #define INTEL_ST_VERIFY_AND_FIX 0x00000080
89 #define INTEL_ST_MAP_STATE_UNINIT 0x00000100
90 #define INTEL_ST_NO_AUTO_RECOVERY 0x00000200
91 #define INTEL_ST_CLONE_N_GO 0x00000400
92 #define INTEL_ST_CLONE_MAN_SYNC 0x00000800
93 #define INTEL_ST_CNG_MASTER_DISK_NUM 0x00001000
94 uint32_t reserved;
95 uint8_t migr_priority;
96 uint8_t num_sub_vols;
97 uint8_t tid;
98 uint8_t cng_master_disk;
99 uint16_t cache_policy;
100 uint8_t cng_state;
101 uint8_t cng_sub_state;
102 uint32_t filler_0[10];
103
104 uint32_t curr_migr_unit;
105 uint32_t checkpoint_id;
106 uint8_t migr_state;
107 uint8_t migr_type;
108 #define INTEL_MT_INIT 0
109 #define INTEL_MT_REBUILD 1
110 #define INTEL_MT_VERIFY 2
111 #define INTEL_MT_GEN_MIGR 3
112 #define INTEL_MT_STATE_CHANGE 4
113 #define INTEL_MT_REPAIR 5
114 uint8_t dirty;
115 uint8_t fs_state;
116 uint16_t verify_errors;
117 uint16_t bad_blocks;
118 uint32_t curr_migr_unit_hi;
119 uint32_t filler_1[3];
120 struct intel_raid_map map[1]; /* 2 entries if migr_state != 0. */
121 } __packed;
122
123 struct intel_raid_disk {
124 #define INTEL_SERIAL_LEN 16
125 uint8_t serial[INTEL_SERIAL_LEN];
126 uint32_t sectors;
127 uint32_t id;
128 uint32_t flags;
129 #define INTEL_F_SPARE 0x01
130 #define INTEL_F_ASSIGNED 0x02
131 #define INTEL_F_FAILED 0x04
132 #define INTEL_F_ONLINE 0x08
133 uint32_t owner_cfg_num;
134 uint32_t sectors_hi;
135 uint32_t filler[3];
136 } __packed;
137
138 struct intel_raid_conf {
139 uint8_t intel_id[24];
140 #define INTEL_MAGIC "Intel Raid ISM Cfg Sig. "
141
142 uint8_t version[6];
143 #define INTEL_VERSION_1000 "1.0.00" /* RAID0 */
144 #define INTEL_VERSION_1100 "1.1.00" /* RAID1 */
145 #define INTEL_VERSION_1200 "1.2.00" /* Many volumes */
146 #define INTEL_VERSION_1201 "1.2.01" /* 3 or 4 disks */
147 #define INTEL_VERSION_1202 "1.2.02" /* RAID5 */
148 #define INTEL_VERSION_1204 "1.2.04" /* 5 or 6 disks */
149 #define INTEL_VERSION_1206 "1.2.06" /* CNG */
150 #define INTEL_VERSION_1300 "1.3.00" /* Attributes */
151
152 uint8_t dummy_0[2];
153 uint32_t checksum;
154 uint32_t config_size;
155 uint32_t config_id;
156 uint32_t generation;
157 uint32_t error_log_size;
158 uint32_t attributes;
159 #define INTEL_ATTR_RAID0 0x00000001
160 #define INTEL_ATTR_RAID1 0x00000002
161 #define INTEL_ATTR_RAID10 0x00000004
162 #define INTEL_ATTR_RAID1E 0x00000008
163 #define INTEL_ATTR_RAID5 0x00000010
164 #define INTEL_ATTR_RAIDCNG 0x00000020
165 #define INTEL_ATTR_2TB 0x20000000
166 #define INTEL_ATTR_PM 0x40000000
167 #define INTEL_ATTR_CHECKSUM 0x80000000
168
169 uint8_t total_disks;
170 uint8_t total_volumes;
171 uint8_t dummy_2[2];
172 uint32_t filler_0[39];
173 struct intel_raid_disk disk[1]; /* total_disks entries. */
174 /* Here goes total_volumes of struct intel_raid_vol. */
175 } __packed;
176
177 #define INTEL_MAX_MD_SIZE(ndisks) \
178 (sizeof(struct intel_raid_conf) + \
179 sizeof(struct intel_raid_disk) * (ndisks - 1) + \
180 sizeof(struct intel_raid_vol) * 2 + \
181 sizeof(struct intel_raid_map) * 2 + \
182 sizeof(uint32_t) * (ndisks - 1) * 4)
183
184 struct g_raid_md_intel_perdisk {
185 struct intel_raid_conf *pd_meta;
186 int pd_disk_pos;
187 struct intel_raid_disk pd_disk_meta;
188 };
189
190 struct g_raid_md_intel_object {
191 struct g_raid_md_object mdio_base;
192 uint32_t mdio_config_id;
193 uint32_t mdio_generation;
194 struct intel_raid_conf *mdio_meta;
195 struct callout mdio_start_co; /* STARTING state timer. */
196 int mdio_disks_present;
197 int mdio_started;
198 int mdio_incomplete;
199 struct root_hold_token *mdio_rootmount; /* Root mount delay token. */
200 };
201
202 static g_raid_md_create_t g_raid_md_create_intel;
203 static g_raid_md_taste_t g_raid_md_taste_intel;
204 static g_raid_md_event_t g_raid_md_event_intel;
205 static g_raid_md_ctl_t g_raid_md_ctl_intel;
206 static g_raid_md_write_t g_raid_md_write_intel;
207 static g_raid_md_fail_disk_t g_raid_md_fail_disk_intel;
208 static g_raid_md_free_disk_t g_raid_md_free_disk_intel;
209 static g_raid_md_free_t g_raid_md_free_intel;
210
211 static kobj_method_t g_raid_md_intel_methods[] = {
212 KOBJMETHOD(g_raid_md_create, g_raid_md_create_intel),
213 KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_intel),
214 KOBJMETHOD(g_raid_md_event, g_raid_md_event_intel),
215 KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_intel),
216 KOBJMETHOD(g_raid_md_write, g_raid_md_write_intel),
217 KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_intel),
218 KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_intel),
219 KOBJMETHOD(g_raid_md_free, g_raid_md_free_intel),
220 { 0, 0 }
221 };
222
223 static struct g_raid_md_class g_raid_md_intel_class = {
224 "Intel",
225 g_raid_md_intel_methods,
226 sizeof(struct g_raid_md_intel_object),
227 .mdc_enable = 1,
228 .mdc_priority = 100
229 };
230
231
232 static struct intel_raid_map *
233 intel_get_map(struct intel_raid_vol *mvol, int i)
234 {
235 struct intel_raid_map *mmap;
236
237 if (i > (mvol->migr_state ? 1 : 0))
238 return (NULL);
239 mmap = &mvol->map[0];
240 for (; i > 0; i--) {
241 mmap = (struct intel_raid_map *)
242 &mmap->disk_idx[mmap->total_disks];
243 }
244 return ((struct intel_raid_map *)mmap);
245 }
246
247 static struct intel_raid_vol *
248 intel_get_volume(struct intel_raid_conf *meta, int i)
249 {
250 struct intel_raid_vol *mvol;
251 struct intel_raid_map *mmap;
252
253 if (i > 1)
254 return (NULL);
255 mvol = (struct intel_raid_vol *)&meta->disk[meta->total_disks];
256 for (; i > 0; i--) {
257 mmap = intel_get_map(mvol, mvol->migr_state ? 1 : 0);
258 mvol = (struct intel_raid_vol *)
259 &mmap->disk_idx[mmap->total_disks];
260 }
261 return (mvol);
262 }
263
264 static off_t
265 intel_get_map_offset(struct intel_raid_map *mmap)
266 {
267 off_t offset = (off_t)mmap->offset_hi << 32;
268
269 offset += mmap->offset;
270 return (offset);
271 }
272
273 static void
274 intel_set_map_offset(struct intel_raid_map *mmap, off_t offset)
275 {
276
277 mmap->offset = offset & 0xffffffff;
278 mmap->offset_hi = offset >> 32;
279 }
280
281 static off_t
282 intel_get_map_disk_sectors(struct intel_raid_map *mmap)
283 {
284 off_t disk_sectors = (off_t)mmap->disk_sectors_hi << 32;
285
286 disk_sectors += mmap->disk_sectors;
287 return (disk_sectors);
288 }
289
290 static void
291 intel_set_map_disk_sectors(struct intel_raid_map *mmap, off_t disk_sectors)
292 {
293
294 mmap->disk_sectors = disk_sectors & 0xffffffff;
295 mmap->disk_sectors_hi = disk_sectors >> 32;
296 }
297
298 static void
299 intel_set_map_stripe_count(struct intel_raid_map *mmap, off_t stripe_count)
300 {
301
302 mmap->stripe_count = stripe_count & 0xffffffff;
303 mmap->stripe_count_hi = stripe_count >> 32;
304 }
305
306 static off_t
307 intel_get_disk_sectors(struct intel_raid_disk *disk)
308 {
309 off_t sectors = (off_t)disk->sectors_hi << 32;
310
311 sectors += disk->sectors;
312 return (sectors);
313 }
314
315 static void
316 intel_set_disk_sectors(struct intel_raid_disk *disk, off_t sectors)
317 {
318
319 disk->sectors = sectors & 0xffffffff;
320 disk->sectors_hi = sectors >> 32;
321 }
322
323 static off_t
324 intel_get_vol_curr_migr_unit(struct intel_raid_vol *vol)
325 {
326 off_t curr_migr_unit = (off_t)vol->curr_migr_unit_hi << 32;
327
328 curr_migr_unit += vol->curr_migr_unit;
329 return (curr_migr_unit);
330 }
331
332 static void
333 intel_set_vol_curr_migr_unit(struct intel_raid_vol *vol, off_t curr_migr_unit)
334 {
335
336 vol->curr_migr_unit = curr_migr_unit & 0xffffffff;
337 vol->curr_migr_unit_hi = curr_migr_unit >> 32;
338 }
339
340 static void
341 g_raid_md_intel_print(struct intel_raid_conf *meta)
342 {
343 struct intel_raid_vol *mvol;
344 struct intel_raid_map *mmap;
345 int i, j, k;
346
347 if (g_raid_debug < 1)
348 return;
349
350 printf("********* ATA Intel MatrixRAID Metadata *********\n");
351 printf("intel_id <%.24s>\n", meta->intel_id);
352 printf("version <%.6s>\n", meta->version);
353 printf("checksum 0x%08x\n", meta->checksum);
354 printf("config_size 0x%08x\n", meta->config_size);
355 printf("config_id 0x%08x\n", meta->config_id);
356 printf("generation 0x%08x\n", meta->generation);
357 printf("attributes 0x%08x\n", meta->attributes);
358 printf("total_disks %u\n", meta->total_disks);
359 printf("total_volumes %u\n", meta->total_volumes);
360 printf("DISK# serial disk_sectors disk_sectors_hi disk_id flags\n");
361 for (i = 0; i < meta->total_disks; i++ ) {
362 printf(" %d <%.16s> %u %u 0x%08x 0x%08x\n", i,
363 meta->disk[i].serial, meta->disk[i].sectors,
364 meta->disk[i].sectors_hi,
365 meta->disk[i].id, meta->disk[i].flags);
366 }
367 for (i = 0; i < meta->total_volumes; i++) {
368 mvol = intel_get_volume(meta, i);
369 printf(" ****** Volume %d ******\n", i);
370 printf(" name %.16s\n", mvol->name);
371 printf(" total_sectors %ju\n", mvol->total_sectors);
372 printf(" state %u\n", mvol->state);
373 printf(" reserved %u\n", mvol->reserved);
374 printf(" curr_migr_unit %u\n", mvol->curr_migr_unit);
375 printf(" curr_migr_unit_hi %u\n", mvol->curr_migr_unit_hi);
376 printf(" checkpoint_id %u\n", mvol->checkpoint_id);
377 printf(" migr_state %u\n", mvol->migr_state);
378 printf(" migr_type %u\n", mvol->migr_type);
379 printf(" dirty %u\n", mvol->dirty);
380
381 for (j = 0; j < (mvol->migr_state ? 2 : 1); j++) {
382 printf(" *** Map %d ***\n", j);
383 mmap = intel_get_map(mvol, j);
384 printf(" offset %u\n", mmap->offset);
385 printf(" offset_hi %u\n", mmap->offset_hi);
386 printf(" disk_sectors %u\n", mmap->disk_sectors);
387 printf(" disk_sectors_hi %u\n", mmap->disk_sectors_hi);
388 printf(" stripe_count %u\n", mmap->stripe_count);
389 printf(" stripe_count_hi %u\n", mmap->stripe_count_hi);
390 printf(" strip_sectors %u\n", mmap->strip_sectors);
391 printf(" status %u\n", mmap->status);
392 printf(" type %u\n", mmap->type);
393 printf(" total_disks %u\n", mmap->total_disks);
394 printf(" total_domains %u\n", mmap->total_domains);
395 printf(" failed_disk_num %u\n", mmap->failed_disk_num);
396 printf(" ddf %u\n", mmap->ddf);
397 printf(" disk_idx ");
398 for (k = 0; k < mmap->total_disks; k++)
399 printf(" 0x%08x", mmap->disk_idx[k]);
400 printf("\n");
401 }
402 }
403 printf("=================================================\n");
404 }
405
406 static struct intel_raid_conf *
407 intel_meta_copy(struct intel_raid_conf *meta)
408 {
409 struct intel_raid_conf *nmeta;
410
411 nmeta = malloc(meta->config_size, M_MD_INTEL, M_WAITOK);
412 memcpy(nmeta, meta, meta->config_size);
413 return (nmeta);
414 }
415
416 static int
417 intel_meta_find_disk(struct intel_raid_conf *meta, char *serial)
418 {
419 int pos;
420
421 for (pos = 0; pos < meta->total_disks; pos++) {
422 if (strncmp(meta->disk[pos].serial,
423 serial, INTEL_SERIAL_LEN) == 0)
424 return (pos);
425 }
426 return (-1);
427 }
428
429 static struct intel_raid_conf *
430 intel_meta_read(struct g_consumer *cp)
431 {
432 struct g_provider *pp;
433 struct intel_raid_conf *meta;
434 struct intel_raid_vol *mvol;
435 struct intel_raid_map *mmap;
436 char *buf;
437 int error, i, j, k, left, size;
438 uint32_t checksum, *ptr;
439
440 pp = cp->provider;
441
442 /* Read the anchor sector. */
443 buf = g_read_data(cp,
444 pp->mediasize - pp->sectorsize * 2, pp->sectorsize, &error);
445 if (buf == NULL) {
446 G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).",
447 pp->name, error);
448 return (NULL);
449 }
450 meta = (struct intel_raid_conf *)buf;
451
452 /* Check if this is an Intel RAID struct */
453 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) {
454 G_RAID_DEBUG(1, "Intel signature check failed on %s", pp->name);
455 g_free(buf);
456 return (NULL);
457 }
458 if (meta->config_size > 65536 ||
459 meta->config_size < sizeof(struct intel_raid_conf)) {
460 G_RAID_DEBUG(1, "Intel metadata size looks wrong: %d",
461 meta->config_size);
462 g_free(buf);
463 return (NULL);
464 }
465 size = meta->config_size;
466 meta = malloc(size, M_MD_INTEL, M_WAITOK);
467 memcpy(meta, buf, min(size, pp->sectorsize));
468 g_free(buf);
469
470 /* Read all the rest, if needed. */
471 if (meta->config_size > pp->sectorsize) {
472 left = (meta->config_size - 1) / pp->sectorsize;
473 buf = g_read_data(cp,
474 pp->mediasize - pp->sectorsize * (2 + left),
475 pp->sectorsize * left, &error);
476 if (buf == NULL) {
477 G_RAID_DEBUG(1, "Cannot read remaining metadata"
478 " part from %s (error=%d).",
479 pp->name, error);
480 free(meta, M_MD_INTEL);
481 return (NULL);
482 }
483 memcpy(((char *)meta) + pp->sectorsize, buf,
484 pp->sectorsize * left);
485 g_free(buf);
486 }
487
488 /* Check metadata checksum. */
489 for (checksum = 0, ptr = (uint32_t *)meta, i = 0;
490 i < (meta->config_size / sizeof(uint32_t)); i++) {
491 checksum += *ptr++;
492 }
493 checksum -= meta->checksum;
494 if (checksum != meta->checksum) {
495 G_RAID_DEBUG(1, "Intel checksum check failed on %s", pp->name);
496 free(meta, M_MD_INTEL);
497 return (NULL);
498 }
499
500 /* Validate metadata size. */
501 size = sizeof(struct intel_raid_conf) +
502 sizeof(struct intel_raid_disk) * (meta->total_disks - 1) +
503 sizeof(struct intel_raid_vol) * meta->total_volumes;
504 if (size > meta->config_size) {
505 badsize:
506 G_RAID_DEBUG(1, "Intel metadata size incorrect %d < %d",
507 meta->config_size, size);
508 free(meta, M_MD_INTEL);
509 return (NULL);
510 }
511 for (i = 0; i < meta->total_volumes; i++) {
512 mvol = intel_get_volume(meta, i);
513 mmap = intel_get_map(mvol, 0);
514 size += 4 * (mmap->total_disks - 1);
515 if (size > meta->config_size)
516 goto badsize;
517 if (mvol->migr_state) {
518 size += sizeof(struct intel_raid_map);
519 if (size > meta->config_size)
520 goto badsize;
521 mmap = intel_get_map(mvol, 1);
522 size += 4 * (mmap->total_disks - 1);
523 if (size > meta->config_size)
524 goto badsize;
525 }
526 }
527
528 /* Validate disk indexes. */
529 for (i = 0; i < meta->total_volumes; i++) {
530 mvol = intel_get_volume(meta, i);
531 for (j = 0; j < (mvol->migr_state ? 2 : 1); j++) {
532 mmap = intel_get_map(mvol, j);
533 for (k = 0; k < mmap->total_disks; k++) {
534 if ((mmap->disk_idx[k] & INTEL_DI_IDX) >
535 meta->total_disks) {
536 G_RAID_DEBUG(1, "Intel metadata disk"
537 " index %d too big (>%d)",
538 mmap->disk_idx[k] & INTEL_DI_IDX,
539 meta->total_disks);
540 free(meta, M_MD_INTEL);
541 return (NULL);
542 }
543 }
544 }
545 }
546
547 /* Validate migration types. */
548 for (i = 0; i < meta->total_volumes; i++) {
549 mvol = intel_get_volume(meta, i);
550 if (mvol->migr_state &&
551 mvol->migr_type != INTEL_MT_INIT &&
552 mvol->migr_type != INTEL_MT_REBUILD &&
553 mvol->migr_type != INTEL_MT_VERIFY &&
554 mvol->migr_type != INTEL_MT_REPAIR) {
555 G_RAID_DEBUG(1, "Intel metadata has unsupported"
556 " migration type %d", mvol->migr_type);
557 free(meta, M_MD_INTEL);
558 return (NULL);
559 }
560 }
561
562 return (meta);
563 }
564
565 static int
566 intel_meta_write(struct g_consumer *cp, struct intel_raid_conf *meta)
567 {
568 struct g_provider *pp;
569 char *buf;
570 int error, i, sectors;
571 uint32_t checksum, *ptr;
572
573 pp = cp->provider;
574
575 /* Recalculate checksum for case if metadata were changed. */
576 meta->checksum = 0;
577 for (checksum = 0, ptr = (uint32_t *)meta, i = 0;
578 i < (meta->config_size / sizeof(uint32_t)); i++) {
579 checksum += *ptr++;
580 }
581 meta->checksum = checksum;
582
583 /* Create and fill buffer. */
584 sectors = (meta->config_size + pp->sectorsize - 1) / pp->sectorsize;
585 buf = malloc(sectors * pp->sectorsize, M_MD_INTEL, M_WAITOK | M_ZERO);
586 if (sectors > 1) {
587 memcpy(buf, ((char *)meta) + pp->sectorsize,
588 (sectors - 1) * pp->sectorsize);
589 }
590 memcpy(buf + (sectors - 1) * pp->sectorsize, meta, pp->sectorsize);
591
592 error = g_write_data(cp,
593 pp->mediasize - pp->sectorsize * (1 + sectors),
594 buf, pp->sectorsize * sectors);
595 if (error != 0) {
596 G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).",
597 pp->name, error);
598 }
599
600 free(buf, M_MD_INTEL);
601 return (error);
602 }
603
604 static int
605 intel_meta_erase(struct g_consumer *cp)
606 {
607 struct g_provider *pp;
608 char *buf;
609 int error;
610
611 pp = cp->provider;
612 buf = malloc(pp->sectorsize, M_MD_INTEL, M_WAITOK | M_ZERO);
613 error = g_write_data(cp,
614 pp->mediasize - 2 * pp->sectorsize,
615 buf, pp->sectorsize);
616 if (error != 0) {
617 G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).",
618 pp->name, error);
619 }
620 free(buf, M_MD_INTEL);
621 return (error);
622 }
623
624 static int
625 intel_meta_write_spare(struct g_consumer *cp, struct intel_raid_disk *d)
626 {
627 struct intel_raid_conf *meta;
628 int error;
629
630 /* Fill anchor and single disk. */
631 meta = malloc(INTEL_MAX_MD_SIZE(1), M_MD_INTEL, M_WAITOK | M_ZERO);
632 memcpy(&meta->intel_id[0], INTEL_MAGIC, sizeof(INTEL_MAGIC) - 1);
633 memcpy(&meta->version[0], INTEL_VERSION_1000,
634 sizeof(INTEL_VERSION_1000) - 1);
635 meta->config_size = INTEL_MAX_MD_SIZE(1);
636 meta->config_id = arc4random();
637 meta->generation = 1;
638 meta->total_disks = 1;
639 meta->disk[0] = *d;
640 error = intel_meta_write(cp, meta);
641 free(meta, M_MD_INTEL);
642 return (error);
643 }
644
645 static struct g_raid_disk *
646 g_raid_md_intel_get_disk(struct g_raid_softc *sc, int id)
647 {
648 struct g_raid_disk *disk;
649 struct g_raid_md_intel_perdisk *pd;
650
651 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
652 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
653 if (pd->pd_disk_pos == id)
654 break;
655 }
656 return (disk);
657 }
658
659 static int
660 g_raid_md_intel_supported(int level, int qual, int disks, int force)
661 {
662
663 switch (level) {
664 case G_RAID_VOLUME_RL_RAID0:
665 if (disks < 1)
666 return (0);
667 if (!force && (disks < 2 || disks > 6))
668 return (0);
669 break;
670 case G_RAID_VOLUME_RL_RAID1:
671 if (disks < 1)
672 return (0);
673 if (!force && (disks != 2))
674 return (0);
675 break;
676 case G_RAID_VOLUME_RL_RAID1E:
677 if (disks < 2)
678 return (0);
679 if (!force && (disks != 4))
680 return (0);
681 break;
682 case G_RAID_VOLUME_RL_RAID5:
683 if (disks < 3)
684 return (0);
685 if (!force && disks > 6)
686 return (0);
687 if (qual != G_RAID_VOLUME_RLQ_R5LA)
688 return (0);
689 break;
690 default:
691 return (0);
692 }
693 if (level != G_RAID_VOLUME_RL_RAID5 && qual != G_RAID_VOLUME_RLQ_NONE)
694 return (0);
695 return (1);
696 }
697
698 static struct g_raid_volume *
699 g_raid_md_intel_get_volume(struct g_raid_softc *sc, int id)
700 {
701 struct g_raid_volume *mvol;
702
703 TAILQ_FOREACH(mvol, &sc->sc_volumes, v_next) {
704 if ((intptr_t)(mvol->v_md_data) == id)
705 break;
706 }
707 return (mvol);
708 }
709
710 static int
711 g_raid_md_intel_start_disk(struct g_raid_disk *disk)
712 {
713 struct g_raid_softc *sc;
714 struct g_raid_subdisk *sd, *tmpsd;
715 struct g_raid_disk *olddisk, *tmpdisk;
716 struct g_raid_md_object *md;
717 struct g_raid_md_intel_object *mdi;
718 struct g_raid_md_intel_perdisk *pd, *oldpd;
719 struct intel_raid_conf *meta;
720 struct intel_raid_vol *mvol;
721 struct intel_raid_map *mmap0, *mmap1;
722 int disk_pos, resurrection = 0;
723
724 sc = disk->d_softc;
725 md = sc->sc_md;
726 mdi = (struct g_raid_md_intel_object *)md;
727 meta = mdi->mdio_meta;
728 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
729 olddisk = NULL;
730
731 /* Find disk position in metadata by it's serial. */
732 disk_pos = intel_meta_find_disk(meta, pd->pd_disk_meta.serial);
733 if (disk_pos < 0) {
734 G_RAID_DEBUG1(1, sc, "Unknown, probably new or stale disk");
735 /* Failed stale disk is useless for us. */
736 if (pd->pd_disk_meta.flags & INTEL_F_FAILED) {
737 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE_FAILED);
738 return (0);
739 }
740 /* If we are in the start process, that's all for now. */
741 if (!mdi->mdio_started)
742 goto nofit;
743 /*
744 * If we have already started - try to get use of the disk.
745 * Try to replace OFFLINE disks first, then FAILED.
746 */
747 TAILQ_FOREACH(tmpdisk, &sc->sc_disks, d_next) {
748 if (tmpdisk->d_state != G_RAID_DISK_S_OFFLINE &&
749 tmpdisk->d_state != G_RAID_DISK_S_FAILED)
750 continue;
751 /* Make sure this disk is big enough. */
752 TAILQ_FOREACH(sd, &tmpdisk->d_subdisks, sd_next) {
753 off_t disk_sectors =
754 intel_get_disk_sectors(&pd->pd_disk_meta);
755
756 if (sd->sd_offset + sd->sd_size + 4096 >
757 disk_sectors * 512) {
758 G_RAID_DEBUG1(1, sc,
759 "Disk too small (%llu < %llu)",
760 (unsigned long long)
761 disk_sectors * 512,
762 (unsigned long long)
763 sd->sd_offset + sd->sd_size + 4096);
764 break;
765 }
766 }
767 if (sd != NULL)
768 continue;
769 if (tmpdisk->d_state == G_RAID_DISK_S_OFFLINE) {
770 olddisk = tmpdisk;
771 break;
772 } else if (olddisk == NULL)
773 olddisk = tmpdisk;
774 }
775 if (olddisk == NULL) {
776 nofit:
777 if (pd->pd_disk_meta.flags & INTEL_F_SPARE) {
778 g_raid_change_disk_state(disk,
779 G_RAID_DISK_S_SPARE);
780 return (1);
781 } else {
782 g_raid_change_disk_state(disk,
783 G_RAID_DISK_S_STALE);
784 return (0);
785 }
786 }
787 oldpd = (struct g_raid_md_intel_perdisk *)olddisk->d_md_data;
788 disk_pos = oldpd->pd_disk_pos;
789 resurrection = 1;
790 }
791
792 if (olddisk == NULL) {
793 /* Find placeholder by position. */
794 olddisk = g_raid_md_intel_get_disk(sc, disk_pos);
795 if (olddisk == NULL)
796 panic("No disk at position %d!", disk_pos);
797 if (olddisk->d_state != G_RAID_DISK_S_OFFLINE) {
798 G_RAID_DEBUG1(1, sc, "More then one disk for pos %d",
799 disk_pos);
800 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE);
801 return (0);
802 }
803 oldpd = (struct g_raid_md_intel_perdisk *)olddisk->d_md_data;
804 }
805
806 /* Replace failed disk or placeholder with new disk. */
807 TAILQ_FOREACH_SAFE(sd, &olddisk->d_subdisks, sd_next, tmpsd) {
808 TAILQ_REMOVE(&olddisk->d_subdisks, sd, sd_next);
809 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
810 sd->sd_disk = disk;
811 }
812 oldpd->pd_disk_pos = -2;
813 pd->pd_disk_pos = disk_pos;
814
815 /* If it was placeholder -- destroy it. */
816 if (olddisk->d_state == G_RAID_DISK_S_OFFLINE) {
817 g_raid_destroy_disk(olddisk);
818 } else {
819 /* Otherwise, make it STALE_FAILED. */
820 g_raid_change_disk_state(olddisk, G_RAID_DISK_S_STALE_FAILED);
821 /* Update global metadata just in case. */
822 memcpy(&meta->disk[disk_pos], &pd->pd_disk_meta,
823 sizeof(struct intel_raid_disk));
824 }
825
826 /* Welcome the new disk. */
827 if (resurrection)
828 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
829 else if (meta->disk[disk_pos].flags & INTEL_F_FAILED)
830 g_raid_change_disk_state(disk, G_RAID_DISK_S_FAILED);
831 else if (meta->disk[disk_pos].flags & INTEL_F_SPARE)
832 g_raid_change_disk_state(disk, G_RAID_DISK_S_SPARE);
833 else
834 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
835 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
836 mvol = intel_get_volume(meta,
837 (uintptr_t)(sd->sd_volume->v_md_data));
838 mmap0 = intel_get_map(mvol, 0);
839 if (mvol->migr_state)
840 mmap1 = intel_get_map(mvol, 1);
841 else
842 mmap1 = mmap0;
843
844 if (resurrection) {
845 /* Stale disk, almost same as new. */
846 g_raid_change_subdisk_state(sd,
847 G_RAID_SUBDISK_S_NEW);
848 } else if (meta->disk[disk_pos].flags & INTEL_F_FAILED) {
849 /* Failed disk, almost useless. */
850 g_raid_change_subdisk_state(sd,
851 G_RAID_SUBDISK_S_FAILED);
852 } else if (mvol->migr_state == 0) {
853 if (mmap0->status == INTEL_S_UNINITIALIZED) {
854 /* Freshly created uninitialized volume. */
855 g_raid_change_subdisk_state(sd,
856 G_RAID_SUBDISK_S_UNINITIALIZED);
857 } else if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
858 /* Freshly inserted disk. */
859 g_raid_change_subdisk_state(sd,
860 G_RAID_SUBDISK_S_NEW);
861 } else if (mvol->dirty) {
862 /* Dirty volume (unclean shutdown). */
863 g_raid_change_subdisk_state(sd,
864 G_RAID_SUBDISK_S_STALE);
865 } else {
866 /* Up to date disk. */
867 g_raid_change_subdisk_state(sd,
868 G_RAID_SUBDISK_S_ACTIVE);
869 }
870 } else if (mvol->migr_type == INTEL_MT_INIT ||
871 mvol->migr_type == INTEL_MT_REBUILD) {
872 if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
873 /* Freshly inserted disk. */
874 g_raid_change_subdisk_state(sd,
875 G_RAID_SUBDISK_S_NEW);
876 } else if (mmap1->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
877 /* Rebuilding disk. */
878 g_raid_change_subdisk_state(sd,
879 G_RAID_SUBDISK_S_REBUILD);
880 if (mvol->dirty) {
881 sd->sd_rebuild_pos = 0;
882 } else {
883 sd->sd_rebuild_pos =
884 intel_get_vol_curr_migr_unit(mvol) *
885 sd->sd_volume->v_strip_size *
886 mmap0->total_domains;
887 }
888 } else if (mvol->dirty) {
889 /* Dirty volume (unclean shutdown). */
890 g_raid_change_subdisk_state(sd,
891 G_RAID_SUBDISK_S_STALE);
892 } else {
893 /* Up to date disk. */
894 g_raid_change_subdisk_state(sd,
895 G_RAID_SUBDISK_S_ACTIVE);
896 }
897 } else if (mvol->migr_type == INTEL_MT_VERIFY ||
898 mvol->migr_type == INTEL_MT_REPAIR) {
899 if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
900 /* Freshly inserted disk. */
901 g_raid_change_subdisk_state(sd,
902 G_RAID_SUBDISK_S_NEW);
903 } else if (mmap1->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
904 /* Resyncing disk. */
905 g_raid_change_subdisk_state(sd,
906 G_RAID_SUBDISK_S_RESYNC);
907 if (mvol->dirty) {
908 sd->sd_rebuild_pos = 0;
909 } else {
910 sd->sd_rebuild_pos =
911 intel_get_vol_curr_migr_unit(mvol) *
912 sd->sd_volume->v_strip_size *
913 mmap0->total_domains;
914 }
915 } else if (mvol->dirty) {
916 /* Dirty volume (unclean shutdown). */
917 g_raid_change_subdisk_state(sd,
918 G_RAID_SUBDISK_S_STALE);
919 } else {
920 /* Up to date disk. */
921 g_raid_change_subdisk_state(sd,
922 G_RAID_SUBDISK_S_ACTIVE);
923 }
924 }
925 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
926 G_RAID_EVENT_SUBDISK);
927 }
928
929 /* Update status of our need for spare. */
930 if (mdi->mdio_started) {
931 mdi->mdio_incomplete =
932 (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
933 meta->total_disks);
934 }
935
936 return (resurrection);
937 }
938
939 static void
940 g_disk_md_intel_retaste(void *arg, int pending)
941 {
942
943 G_RAID_DEBUG(1, "Array is not complete, trying to retaste.");
944 g_retaste(&g_raid_class);
945 free(arg, M_MD_INTEL);
946 }
947
948 static void
949 g_raid_md_intel_refill(struct g_raid_softc *sc)
950 {
951 struct g_raid_md_object *md;
952 struct g_raid_md_intel_object *mdi;
953 struct intel_raid_conf *meta;
954 struct g_raid_disk *disk;
955 struct task *task;
956 int update, na;
957
958 md = sc->sc_md;
959 mdi = (struct g_raid_md_intel_object *)md;
960 meta = mdi->mdio_meta;
961 update = 0;
962 do {
963 /* Make sure we miss anything. */
964 na = g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE);
965 if (na == meta->total_disks)
966 break;
967
968 G_RAID_DEBUG1(1, md->mdo_softc,
969 "Array is not complete (%d of %d), "
970 "trying to refill.", na, meta->total_disks);
971
972 /* Try to get use some of STALE disks. */
973 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
974 if (disk->d_state == G_RAID_DISK_S_STALE) {
975 update += g_raid_md_intel_start_disk(disk);
976 if (disk->d_state == G_RAID_DISK_S_ACTIVE)
977 break;
978 }
979 }
980 if (disk != NULL)
981 continue;
982
983 /* Try to get use some of SPARE disks. */
984 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
985 if (disk->d_state == G_RAID_DISK_S_SPARE) {
986 update += g_raid_md_intel_start_disk(disk);
987 if (disk->d_state == G_RAID_DISK_S_ACTIVE)
988 break;
989 }
990 }
991 } while (disk != NULL);
992
993 /* Write new metadata if we changed something. */
994 if (update) {
995 g_raid_md_write_intel(md, NULL, NULL, NULL);
996 meta = mdi->mdio_meta;
997 }
998
999 /* Update status of our need for spare. */
1000 mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
1001 meta->total_disks);
1002
1003 /* Request retaste hoping to find spare. */
1004 if (mdi->mdio_incomplete) {
1005 task = malloc(sizeof(struct task),
1006 M_MD_INTEL, M_WAITOK | M_ZERO);
1007 TASK_INIT(task, 0, g_disk_md_intel_retaste, task);
1008 taskqueue_enqueue(taskqueue_swi, task);
1009 }
1010 }
1011
1012 static void
1013 g_raid_md_intel_start(struct g_raid_softc *sc)
1014 {
1015 struct g_raid_md_object *md;
1016 struct g_raid_md_intel_object *mdi;
1017 struct g_raid_md_intel_perdisk *pd;
1018 struct intel_raid_conf *meta;
1019 struct intel_raid_vol *mvol;
1020 struct intel_raid_map *mmap;
1021 struct g_raid_volume *vol;
1022 struct g_raid_subdisk *sd;
1023 struct g_raid_disk *disk;
1024 int i, j, disk_pos;
1025
1026 md = sc->sc_md;
1027 mdi = (struct g_raid_md_intel_object *)md;
1028 meta = mdi->mdio_meta;
1029
1030 /* Create volumes and subdisks. */
1031 for (i = 0; i < meta->total_volumes; i++) {
1032 mvol = intel_get_volume(meta, i);
1033 mmap = intel_get_map(mvol, 0);
1034 vol = g_raid_create_volume(sc, mvol->name, -1);
1035 vol->v_md_data = (void *)(intptr_t)i;
1036 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE;
1037 if (mmap->type == INTEL_T_RAID0)
1038 vol->v_raid_level = G_RAID_VOLUME_RL_RAID0;
1039 else if (mmap->type == INTEL_T_RAID1 &&
1040 mmap->total_domains >= 2 &&
1041 mmap->total_domains <= mmap->total_disks) {
1042 /* Assume total_domains is correct. */
1043 if (mmap->total_domains == mmap->total_disks)
1044 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
1045 else
1046 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
1047 } else if (mmap->type == INTEL_T_RAID1) {
1048 /* total_domains looks wrong. */
1049 if (mmap->total_disks <= 2)
1050 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
1051 else
1052 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
1053 } else if (mmap->type == INTEL_T_RAID5) {
1054 vol->v_raid_level = G_RAID_VOLUME_RL_RAID5;
1055 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_R5LA;
1056 } else
1057 vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN;
1058 vol->v_strip_size = (u_int)mmap->strip_sectors * 512; //ZZZ
1059 vol->v_disks_count = mmap->total_disks;
1060 vol->v_mediasize = (off_t)mvol->total_sectors * 512; //ZZZ
1061 vol->v_sectorsize = 512; //ZZZ
1062 for (j = 0; j < vol->v_disks_count; j++) {
1063 sd = &vol->v_subdisks[j];
1064 sd->sd_offset = intel_get_map_offset(mmap) * 512; //ZZZ
1065 sd->sd_size = intel_get_map_disk_sectors(mmap) * 512; //ZZZ
1066 }
1067 g_raid_start_volume(vol);
1068 }
1069
1070 /* Create disk placeholders to store data for later writing. */
1071 for (disk_pos = 0; disk_pos < meta->total_disks; disk_pos++) {
1072 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
1073 pd->pd_disk_pos = disk_pos;
1074 pd->pd_disk_meta = meta->disk[disk_pos];
1075 disk = g_raid_create_disk(sc);
1076 disk->d_md_data = (void *)pd;
1077 disk->d_state = G_RAID_DISK_S_OFFLINE;
1078 for (i = 0; i < meta->total_volumes; i++) {
1079 mvol = intel_get_volume(meta, i);
1080 mmap = intel_get_map(mvol, 0);
1081 for (j = 0; j < mmap->total_disks; j++) {
1082 if ((mmap->disk_idx[j] & INTEL_DI_IDX) == disk_pos)
1083 break;
1084 }
1085 if (j == mmap->total_disks)
1086 continue;
1087 vol = g_raid_md_intel_get_volume(sc, i);
1088 sd = &vol->v_subdisks[j];
1089 sd->sd_disk = disk;
1090 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1091 }
1092 }
1093
1094 /* Make all disks found till the moment take their places. */
1095 do {
1096 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1097 if (disk->d_state == G_RAID_DISK_S_NONE) {
1098 g_raid_md_intel_start_disk(disk);
1099 break;
1100 }
1101 }
1102 } while (disk != NULL);
1103
1104 mdi->mdio_started = 1;
1105 G_RAID_DEBUG1(0, sc, "Array started.");
1106 g_raid_md_write_intel(md, NULL, NULL, NULL);
1107
1108 /* Pickup any STALE/SPARE disks to refill array if needed. */
1109 g_raid_md_intel_refill(sc);
1110
1111 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
1112 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1113 G_RAID_EVENT_VOLUME);
1114 }
1115
1116 callout_stop(&mdi->mdio_start_co);
1117 G_RAID_DEBUG1(1, sc, "root_mount_rel %p", mdi->mdio_rootmount);
1118 root_mount_rel(mdi->mdio_rootmount);
1119 mdi->mdio_rootmount = NULL;
1120 }
1121
1122 static void
1123 g_raid_md_intel_new_disk(struct g_raid_disk *disk)
1124 {
1125 struct g_raid_softc *sc;
1126 struct g_raid_md_object *md;
1127 struct g_raid_md_intel_object *mdi;
1128 struct intel_raid_conf *pdmeta;
1129 struct g_raid_md_intel_perdisk *pd;
1130
1131 sc = disk->d_softc;
1132 md = sc->sc_md;
1133 mdi = (struct g_raid_md_intel_object *)md;
1134 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
1135 pdmeta = pd->pd_meta;
1136
1137 if (mdi->mdio_started) {
1138 if (g_raid_md_intel_start_disk(disk))
1139 g_raid_md_write_intel(md, NULL, NULL, NULL);
1140 } else {
1141 /* If we haven't started yet - check metadata freshness. */
1142 if (mdi->mdio_meta == NULL ||
1143 ((int32_t)(pdmeta->generation - mdi->mdio_generation)) > 0) {
1144 G_RAID_DEBUG1(1, sc, "Newer disk");
1145 if (mdi->mdio_meta != NULL)
1146 free(mdi->mdio_meta, M_MD_INTEL);
1147 mdi->mdio_meta = intel_meta_copy(pdmeta);
1148 mdi->mdio_generation = mdi->mdio_meta->generation;
1149 mdi->mdio_disks_present = 1;
1150 } else if (pdmeta->generation == mdi->mdio_generation) {
1151 mdi->mdio_disks_present++;
1152 G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d up)",
1153 mdi->mdio_disks_present,
1154 mdi->mdio_meta->total_disks);
1155 } else {
1156 G_RAID_DEBUG1(1, sc, "Older disk");
1157 }
1158 /* If we collected all needed disks - start array. */
1159 if (mdi->mdio_disks_present == mdi->mdio_meta->total_disks)
1160 g_raid_md_intel_start(sc);
1161 }
1162 }
1163
1164 static void
1165 g_raid_intel_go(void *arg)
1166 {
1167 struct g_raid_softc *sc;
1168 struct g_raid_md_object *md;
1169 struct g_raid_md_intel_object *mdi;
1170
1171 sc = arg;
1172 md = sc->sc_md;
1173 mdi = (struct g_raid_md_intel_object *)md;
1174 if (!mdi->mdio_started) {
1175 G_RAID_DEBUG1(0, sc, "Force array start due to timeout.");
1176 g_raid_event_send(sc, G_RAID_NODE_E_START, 0);
1177 }
1178 }
1179
1180 static int
1181 g_raid_md_create_intel(struct g_raid_md_object *md, struct g_class *mp,
1182 struct g_geom **gp)
1183 {
1184 struct g_raid_softc *sc;
1185 struct g_raid_md_intel_object *mdi;
1186 char name[16];
1187
1188 mdi = (struct g_raid_md_intel_object *)md;
1189 mdi->mdio_config_id = arc4random();
1190 mdi->mdio_generation = 0;
1191 snprintf(name, sizeof(name), "Intel-%08x", mdi->mdio_config_id);
1192 sc = g_raid_create_node(mp, name, md);
1193 if (sc == NULL)
1194 return (G_RAID_MD_TASTE_FAIL);
1195 md->mdo_softc = sc;
1196 *gp = sc->sc_geom;
1197 return (G_RAID_MD_TASTE_NEW);
1198 }
1199
1200 /*
1201 * Return the last N characters of the serial label. The Linux and
1202 * ataraid(7) code always uses the last 16 characters of the label to
1203 * store into the Intel meta format. Generalize this to N characters
1204 * since that's easy. Labels can be up to 20 characters for SATA drives
1205 * and up 251 characters for SAS drives. Since intel controllers don't
1206 * support SAS drives, just stick with the SATA limits for stack friendliness.
1207 */
1208 static int
1209 g_raid_md_get_label(struct g_consumer *cp, char *serial, int serlen)
1210 {
1211 char serial_buffer[24];
1212 int len, error;
1213
1214 len = sizeof(serial_buffer);
1215 error = g_io_getattr("GEOM::ident", cp, &len, serial_buffer);
1216 if (error != 0)
1217 return (error);
1218 len = strlen(serial_buffer);
1219 if (len > serlen)
1220 len -= serlen;
1221 else
1222 len = 0;
1223 strncpy(serial, serial_buffer + len, serlen);
1224 return (0);
1225 }
1226
1227 static int
1228 g_raid_md_taste_intel(struct g_raid_md_object *md, struct g_class *mp,
1229 struct g_consumer *cp, struct g_geom **gp)
1230 {
1231 struct g_consumer *rcp;
1232 struct g_provider *pp;
1233 struct g_raid_md_intel_object *mdi, *mdi1;
1234 struct g_raid_softc *sc;
1235 struct g_raid_disk *disk;
1236 struct intel_raid_conf *meta;
1237 struct g_raid_md_intel_perdisk *pd;
1238 struct g_geom *geom;
1239 int error, disk_pos, result, spare, len;
1240 char serial[INTEL_SERIAL_LEN];
1241 char name[16];
1242 uint16_t vendor;
1243
1244 G_RAID_DEBUG(1, "Tasting Intel on %s", cp->provider->name);
1245 mdi = (struct g_raid_md_intel_object *)md;
1246 pp = cp->provider;
1247
1248 /* Read metadata from device. */
1249 meta = NULL;
1250 vendor = 0xffff;
1251 disk_pos = 0;
1252 if (g_access(cp, 1, 0, 0) != 0)
1253 return (G_RAID_MD_TASTE_FAIL);
1254 g_topology_unlock();
1255 error = g_raid_md_get_label(cp, serial, sizeof(serial));
1256 if (error != 0) {
1257 G_RAID_DEBUG(1, "Cannot get serial number from %s (error=%d).",
1258 pp->name, error);
1259 goto fail2;
1260 }
1261 len = 2;
1262 if (pp->geom->rank == 1)
1263 g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor);
1264 meta = intel_meta_read(cp);
1265 g_topology_lock();
1266 g_access(cp, -1, 0, 0);
1267 if (meta == NULL) {
1268 if (g_raid_aggressive_spare) {
1269 if (vendor != 0x8086) {
1270 G_RAID_DEBUG(1,
1271 "Intel vendor mismatch 0x%04x != 0x8086",
1272 vendor);
1273 } else {
1274 G_RAID_DEBUG(1,
1275 "No Intel metadata, forcing spare.");
1276 spare = 2;
1277 goto search;
1278 }
1279 }
1280 return (G_RAID_MD_TASTE_FAIL);
1281 }
1282
1283 /* Check this disk position in obtained metadata. */
1284 disk_pos = intel_meta_find_disk(meta, serial);
1285 if (disk_pos < 0) {
1286 G_RAID_DEBUG(1, "Intel serial '%s' not found", serial);
1287 goto fail1;
1288 }
1289 if (intel_get_disk_sectors(&meta->disk[disk_pos]) !=
1290 (pp->mediasize / pp->sectorsize)) {
1291 G_RAID_DEBUG(1, "Intel size mismatch %ju != %ju",
1292 intel_get_disk_sectors(&meta->disk[disk_pos]),
1293 (off_t)(pp->mediasize / pp->sectorsize));
1294 goto fail1;
1295 }
1296
1297 /* Metadata valid. Print it. */
1298 g_raid_md_intel_print(meta);
1299 G_RAID_DEBUG(1, "Intel disk position %d", disk_pos);
1300 spare = meta->disk[disk_pos].flags & INTEL_F_SPARE;
1301
1302 search:
1303 /* Search for matching node. */
1304 sc = NULL;
1305 mdi1 = NULL;
1306 LIST_FOREACH(geom, &mp->geom, geom) {
1307 sc = geom->softc;
1308 if (sc == NULL)
1309 continue;
1310 if (sc->sc_stopping != 0)
1311 continue;
1312 if (sc->sc_md->mdo_class != md->mdo_class)
1313 continue;
1314 mdi1 = (struct g_raid_md_intel_object *)sc->sc_md;
1315 if (spare) {
1316 if (mdi1->mdio_incomplete)
1317 break;
1318 } else {
1319 if (mdi1->mdio_config_id == meta->config_id)
1320 break;
1321 }
1322 }
1323
1324 /* Found matching node. */
1325 if (geom != NULL) {
1326 G_RAID_DEBUG(1, "Found matching array %s", sc->sc_name);
1327 result = G_RAID_MD_TASTE_EXISTING;
1328
1329 } else if (spare) { /* Not found needy node -- left for later. */
1330 G_RAID_DEBUG(1, "Spare is not needed at this time");
1331 goto fail1;
1332
1333 } else { /* Not found matching node -- create one. */
1334 result = G_RAID_MD_TASTE_NEW;
1335 mdi->mdio_config_id = meta->config_id;
1336 snprintf(name, sizeof(name), "Intel-%08x", meta->config_id);
1337 sc = g_raid_create_node(mp, name, md);
1338 md->mdo_softc = sc;
1339 geom = sc->sc_geom;
1340 callout_init(&mdi->mdio_start_co, 1);
1341 callout_reset(&mdi->mdio_start_co, g_raid_start_timeout * hz,
1342 g_raid_intel_go, sc);
1343 mdi->mdio_rootmount = root_mount_hold("GRAID-Intel");
1344 G_RAID_DEBUG1(1, sc, "root_mount_hold %p", mdi->mdio_rootmount);
1345 }
1346
1347 rcp = g_new_consumer(geom);
1348 g_attach(rcp, pp);
1349 if (g_access(rcp, 1, 1, 1) != 0)
1350 ; //goto fail1;
1351
1352 g_topology_unlock();
1353 sx_xlock(&sc->sc_lock);
1354
1355 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
1356 pd->pd_meta = meta;
1357 pd->pd_disk_pos = -1;
1358 if (spare == 2) {
1359 memcpy(&pd->pd_disk_meta.serial[0], serial, INTEL_SERIAL_LEN);
1360 intel_set_disk_sectors(&pd->pd_disk_meta,
1361 pp->mediasize / pp->sectorsize);
1362 pd->pd_disk_meta.id = 0;
1363 pd->pd_disk_meta.flags = INTEL_F_SPARE;
1364 } else {
1365 pd->pd_disk_meta = meta->disk[disk_pos];
1366 }
1367 disk = g_raid_create_disk(sc);
1368 disk->d_md_data = (void *)pd;
1369 disk->d_consumer = rcp;
1370 rcp->private = disk;
1371
1372 /* Read kernel dumping information. */
1373 disk->d_kd.offset = 0;
1374 disk->d_kd.length = OFF_MAX;
1375 len = sizeof(disk->d_kd);
1376 error = g_io_getattr("GEOM::kerneldump", rcp, &len, &disk->d_kd);
1377 if (disk->d_kd.di.dumper == NULL)
1378 G_RAID_DEBUG1(2, sc, "Dumping not supported by %s: %d.",
1379 rcp->provider->name, error);
1380
1381 g_raid_md_intel_new_disk(disk);
1382
1383 sx_xunlock(&sc->sc_lock);
1384 g_topology_lock();
1385 *gp = geom;
1386 return (result);
1387 fail2:
1388 g_topology_lock();
1389 g_access(cp, -1, 0, 0);
1390 fail1:
1391 free(meta, M_MD_INTEL);
1392 return (G_RAID_MD_TASTE_FAIL);
1393 }
1394
1395 static int
1396 g_raid_md_event_intel(struct g_raid_md_object *md,
1397 struct g_raid_disk *disk, u_int event)
1398 {
1399 struct g_raid_softc *sc;
1400 struct g_raid_subdisk *sd;
1401 struct g_raid_md_intel_object *mdi;
1402 struct g_raid_md_intel_perdisk *pd;
1403
1404 sc = md->mdo_softc;
1405 mdi = (struct g_raid_md_intel_object *)md;
1406 if (disk == NULL) {
1407 switch (event) {
1408 case G_RAID_NODE_E_START:
1409 if (!mdi->mdio_started)
1410 g_raid_md_intel_start(sc);
1411 return (0);
1412 }
1413 return (-1);
1414 }
1415 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
1416 switch (event) {
1417 case G_RAID_DISK_E_DISCONNECTED:
1418 /* If disk was assigned, just update statuses. */
1419 if (pd->pd_disk_pos >= 0) {
1420 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1421 if (disk->d_consumer) {
1422 g_raid_kill_consumer(sc, disk->d_consumer);
1423 disk->d_consumer = NULL;
1424 }
1425 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
1426 g_raid_change_subdisk_state(sd,
1427 G_RAID_SUBDISK_S_NONE);
1428 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
1429 G_RAID_EVENT_SUBDISK);
1430 }
1431 } else {
1432 /* Otherwise -- delete. */
1433 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
1434 g_raid_destroy_disk(disk);
1435 }
1436
1437 /* Write updated metadata to all disks. */
1438 g_raid_md_write_intel(md, NULL, NULL, NULL);
1439
1440 /* Check if anything left except placeholders. */
1441 if (g_raid_ndisks(sc, -1) ==
1442 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1443 g_raid_destroy_node(sc, 0);
1444 else
1445 g_raid_md_intel_refill(sc);
1446 return (0);
1447 }
1448 return (-2);
1449 }
1450
1451 static int
1452 g_raid_md_ctl_intel(struct g_raid_md_object *md,
1453 struct gctl_req *req)
1454 {
1455 struct g_raid_softc *sc;
1456 struct g_raid_volume *vol, *vol1;
1457 struct g_raid_subdisk *sd;
1458 struct g_raid_disk *disk;
1459 struct g_raid_md_intel_object *mdi;
1460 struct g_raid_md_intel_perdisk *pd;
1461 struct g_consumer *cp;
1462 struct g_provider *pp;
1463 char arg[16], serial[INTEL_SERIAL_LEN];
1464 const char *verb, *volname, *levelname, *diskname;
1465 char *tmp;
1466 int *nargs, *force;
1467 off_t off, size, sectorsize, strip, disk_sectors;
1468 intmax_t *sizearg, *striparg;
1469 int numdisks, i, len, level, qual, update;
1470 int error;
1471
1472 sc = md->mdo_softc;
1473 mdi = (struct g_raid_md_intel_object *)md;
1474 verb = gctl_get_param(req, "verb", NULL);
1475 nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
1476 error = 0;
1477 if (strcmp(verb, "label") == 0) {
1478
1479 if (*nargs < 4) {
1480 gctl_error(req, "Invalid number of arguments.");
1481 return (-1);
1482 }
1483 volname = gctl_get_asciiparam(req, "arg1");
1484 if (volname == NULL) {
1485 gctl_error(req, "No volume name.");
1486 return (-2);
1487 }
1488 levelname = gctl_get_asciiparam(req, "arg2");
1489 if (levelname == NULL) {
1490 gctl_error(req, "No RAID level.");
1491 return (-3);
1492 }
1493 if (strcasecmp(levelname, "RAID5") == 0)
1494 levelname = "RAID5-LA";
1495 if (g_raid_volume_str2level(levelname, &level, &qual)) {
1496 gctl_error(req, "Unknown RAID level '%s'.", levelname);
1497 return (-4);
1498 }
1499 numdisks = *nargs - 3;
1500 force = gctl_get_paraml(req, "force", sizeof(*force));
1501 if (!g_raid_md_intel_supported(level, qual, numdisks,
1502 force ? *force : 0)) {
1503 gctl_error(req, "Unsupported RAID level "
1504 "(0x%02x/0x%02x), or number of disks (%d).",
1505 level, qual, numdisks);
1506 return (-5);
1507 }
1508
1509 /* Search for disks, connect them and probe. */
1510 size = 0x7fffffffffffffffllu;
1511 sectorsize = 0;
1512 for (i = 0; i < numdisks; i++) {
1513 snprintf(arg, sizeof(arg), "arg%d", i + 3);
1514 diskname = gctl_get_asciiparam(req, arg);
1515 if (diskname == NULL) {
1516 gctl_error(req, "No disk name (%s).", arg);
1517 error = -6;
1518 break;
1519 }
1520 if (strcmp(diskname, "NONE") == 0) {
1521 cp = NULL;
1522 pp = NULL;
1523 } else {
1524 g_topology_lock();
1525 cp = g_raid_open_consumer(sc, diskname);
1526 if (cp == NULL) {
1527 gctl_error(req, "Can't open disk '%s'.",
1528 diskname);
1529 g_topology_unlock();
1530 error = -7;
1531 break;
1532 }
1533 pp = cp->provider;
1534 }
1535 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
1536 pd->pd_disk_pos = i;
1537 disk = g_raid_create_disk(sc);
1538 disk->d_md_data = (void *)pd;
1539 disk->d_consumer = cp;
1540 if (cp == NULL) {
1541 strcpy(&pd->pd_disk_meta.serial[0], "NONE");
1542 pd->pd_disk_meta.id = 0xffffffff;
1543 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED;
1544 continue;
1545 }
1546 cp->private = disk;
1547 g_topology_unlock();
1548
1549 error = g_raid_md_get_label(cp,
1550 &pd->pd_disk_meta.serial[0], INTEL_SERIAL_LEN);
1551 if (error != 0) {
1552 gctl_error(req,
1553 "Can't get serial for provider '%s'.",
1554 diskname);
1555 error = -8;
1556 break;
1557 }
1558
1559 /* Read kernel dumping information. */
1560 disk->d_kd.offset = 0;
1561 disk->d_kd.length = OFF_MAX;
1562 len = sizeof(disk->d_kd);
1563 g_io_getattr("GEOM::kerneldump", cp, &len, &disk->d_kd);
1564 if (disk->d_kd.di.dumper == NULL)
1565 G_RAID_DEBUG1(2, sc,
1566 "Dumping not supported by %s.",
1567 cp->provider->name);
1568
1569 intel_set_disk_sectors(&pd->pd_disk_meta,
1570 pp->mediasize / pp->sectorsize);
1571 if (size > pp->mediasize)
1572 size = pp->mediasize;
1573 if (sectorsize < pp->sectorsize)
1574 sectorsize = pp->sectorsize;
1575 pd->pd_disk_meta.id = 0;
1576 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED | INTEL_F_ONLINE;
1577 }
1578 if (error != 0)
1579 return (error);
1580
1581 if (sectorsize <= 0) {
1582 gctl_error(req, "Can't get sector size.");
1583 return (-8);
1584 }
1585
1586 /* Reserve some space for metadata. */
1587 size -= ((4096 + sectorsize - 1) / sectorsize) * sectorsize;
1588
1589 /* Handle size argument. */
1590 len = sizeof(*sizearg);
1591 sizearg = gctl_get_param(req, "size", &len);
1592 if (sizearg != NULL && len == sizeof(*sizearg) &&
1593 *sizearg > 0) {
1594 if (*sizearg > size) {
1595 gctl_error(req, "Size too big %lld > %lld.",
1596 (long long)*sizearg, (long long)size);
1597 return (-9);
1598 }
1599 size = *sizearg;
1600 }
1601
1602 /* Handle strip argument. */
1603 strip = 131072;
1604 len = sizeof(*striparg);
1605 striparg = gctl_get_param(req, "strip", &len);
1606 if (striparg != NULL && len == sizeof(*striparg) &&
1607 *striparg > 0) {
1608 if (*striparg < sectorsize) {
1609 gctl_error(req, "Strip size too small.");
1610 return (-10);
1611 }
1612 if (*striparg % sectorsize != 0) {
1613 gctl_error(req, "Incorrect strip size.");
1614 return (-11);
1615 }
1616 if (strip > 65535 * sectorsize) {
1617 gctl_error(req, "Strip size too big.");
1618 return (-12);
1619 }
1620 strip = *striparg;
1621 }
1622
1623 /* Round size down to strip or sector. */
1624 if (level == G_RAID_VOLUME_RL_RAID1)
1625 size -= (size % sectorsize);
1626 else if (level == G_RAID_VOLUME_RL_RAID1E &&
1627 (numdisks & 1) != 0)
1628 size -= (size % (2 * strip));
1629 else
1630 size -= (size % strip);
1631 if (size <= 0) {
1632 gctl_error(req, "Size too small.");
1633 return (-13);
1634 }
1635
1636 /* We have all we need, create things: volume, ... */
1637 mdi->mdio_started = 1;
1638 vol = g_raid_create_volume(sc, volname, -1);
1639 vol->v_md_data = (void *)(intptr_t)0;
1640 vol->v_raid_level = level;
1641 vol->v_raid_level_qualifier = qual;
1642 vol->v_strip_size = strip;
1643 vol->v_disks_count = numdisks;
1644 if (level == G_RAID_VOLUME_RL_RAID0)
1645 vol->v_mediasize = size * numdisks;
1646 else if (level == G_RAID_VOLUME_RL_RAID1)
1647 vol->v_mediasize = size;
1648 else if (level == G_RAID_VOLUME_RL_RAID5)
1649 vol->v_mediasize = size * (numdisks - 1);
1650 else { /* RAID1E */
1651 vol->v_mediasize = ((size * numdisks) / strip / 2) *
1652 strip;
1653 }
1654 vol->v_sectorsize = sectorsize;
1655 g_raid_start_volume(vol);
1656
1657 /* , and subdisks. */
1658 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1659 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
1660 sd = &vol->v_subdisks[pd->pd_disk_pos];
1661 sd->sd_disk = disk;
1662 sd->sd_offset = 0;
1663 sd->sd_size = size;
1664 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1665 if (sd->sd_disk->d_consumer != NULL) {
1666 g_raid_change_disk_state(disk,
1667 G_RAID_DISK_S_ACTIVE);
1668 if (level == G_RAID_VOLUME_RL_RAID5)
1669 g_raid_change_subdisk_state(sd,
1670 G_RAID_SUBDISK_S_UNINITIALIZED);
1671 else
1672 g_raid_change_subdisk_state(sd,
1673 G_RAID_SUBDISK_S_ACTIVE);
1674 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
1675 G_RAID_EVENT_SUBDISK);
1676 } else {
1677 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1678 }
1679 }
1680
1681 /* Write metadata based on created entities. */
1682 G_RAID_DEBUG1(0, sc, "Array started.");
1683 g_raid_md_write_intel(md, NULL, NULL, NULL);
1684
1685 /* Pickup any STALE/SPARE disks to refill array if needed. */
1686 g_raid_md_intel_refill(sc);
1687
1688 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1689 G_RAID_EVENT_VOLUME);
1690 return (0);
1691 }
1692 if (strcmp(verb, "add") == 0) {
1693
1694 if (*nargs != 3) {
1695 gctl_error(req, "Invalid number of arguments.");
1696 return (-1);
1697 }
1698 volname = gctl_get_asciiparam(req, "arg1");
1699 if (volname == NULL) {
1700 gctl_error(req, "No volume name.");
1701 return (-2);
1702 }
1703 levelname = gctl_get_asciiparam(req, "arg2");
1704 if (levelname == NULL) {
1705 gctl_error(req, "No RAID level.");
1706 return (-3);
1707 }
1708 if (strcasecmp(levelname, "RAID5") == 0)
1709 levelname = "RAID5-LA";
1710 if (g_raid_volume_str2level(levelname, &level, &qual)) {
1711 gctl_error(req, "Unknown RAID level '%s'.", levelname);
1712 return (-4);
1713 }
1714
1715 /* Look for existing volumes. */
1716 i = 0;
1717 vol1 = NULL;
1718 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
1719 vol1 = vol;
1720 i++;
1721 }
1722 if (i > 1) {
1723 gctl_error(req, "Maximum two volumes supported.");
1724 return (-6);
1725 }
1726 if (vol1 == NULL) {
1727 gctl_error(req, "At least one volume must exist.");
1728 return (-7);
1729 }
1730
1731 numdisks = vol1->v_disks_count;
1732 force = gctl_get_paraml(req, "force", sizeof(*force));
1733 if (!g_raid_md_intel_supported(level, qual, numdisks,
1734 force ? *force : 0)) {
1735 gctl_error(req, "Unsupported RAID level "
1736 "(0x%02x/0x%02x), or number of disks (%d).",
1737 level, qual, numdisks);
1738 return (-5);
1739 }
1740
1741 /* Collect info about present disks. */
1742 size = 0x7fffffffffffffffllu;
1743 sectorsize = 512;
1744 for (i = 0; i < numdisks; i++) {
1745 disk = vol1->v_subdisks[i].sd_disk;
1746 pd = (struct g_raid_md_intel_perdisk *)
1747 disk->d_md_data;
1748 disk_sectors =
1749 intel_get_disk_sectors(&pd->pd_disk_meta);
1750
1751 if (disk_sectors * 512 < size)
1752 size = disk_sectors * 512;
1753 if (disk->d_consumer != NULL &&
1754 disk->d_consumer->provider != NULL &&
1755 disk->d_consumer->provider->sectorsize >
1756 sectorsize) {
1757 sectorsize =
1758 disk->d_consumer->provider->sectorsize;
1759 }
1760 }
1761
1762 /* Reserve some space for metadata. */
1763 size -= ((4096 + sectorsize - 1) / sectorsize) * sectorsize;
1764
1765 /* Decide insert before or after. */
1766 sd = &vol1->v_subdisks[0];
1767 if (sd->sd_offset >
1768 size - (sd->sd_offset + sd->sd_size)) {
1769 off = 0;
1770 size = sd->sd_offset;
1771 } else {
1772 off = sd->sd_offset + sd->sd_size;
1773 size = size - (sd->sd_offset + sd->sd_size);
1774 }
1775
1776 /* Handle strip argument. */
1777 strip = 131072;
1778 len = sizeof(*striparg);
1779 striparg = gctl_get_param(req, "strip", &len);
1780 if (striparg != NULL && len == sizeof(*striparg) &&
1781 *striparg > 0) {
1782 if (*striparg < sectorsize) {
1783 gctl_error(req, "Strip size too small.");
1784 return (-10);
1785 }
1786 if (*striparg % sectorsize != 0) {
1787 gctl_error(req, "Incorrect strip size.");
1788 return (-11);
1789 }
1790 if (strip > 65535 * sectorsize) {
1791 gctl_error(req, "Strip size too big.");
1792 return (-12);
1793 }
1794 strip = *striparg;
1795 }
1796
1797 /* Round offset up to strip. */
1798 if (off % strip != 0) {
1799 size -= strip - off % strip;
1800 off += strip - off % strip;
1801 }
1802
1803 /* Handle size argument. */
1804 len = sizeof(*sizearg);
1805 sizearg = gctl_get_param(req, "size", &len);
1806 if (sizearg != NULL && len == sizeof(*sizearg) &&
1807 *sizearg > 0) {
1808 if (*sizearg > size) {
1809 gctl_error(req, "Size too big %lld > %lld.",
1810 (long long)*sizearg, (long long)size);
1811 return (-9);
1812 }
1813 size = *sizearg;
1814 }
1815
1816 /* Round size down to strip or sector. */
1817 if (level == G_RAID_VOLUME_RL_RAID1)
1818 size -= (size % sectorsize);
1819 else
1820 size -= (size % strip);
1821 if (size <= 0) {
1822 gctl_error(req, "Size too small.");
1823 return (-13);
1824 }
1825 if (size > 0xffffffffllu * sectorsize) {
1826 gctl_error(req, "Size too big.");
1827 return (-14);
1828 }
1829
1830 /* We have all we need, create things: volume, ... */
1831 vol = g_raid_create_volume(sc, volname, -1);
1832 vol->v_md_data = (void *)(intptr_t)i;
1833 vol->v_raid_level = level;
1834 vol->v_raid_level_qualifier = qual;
1835 vol->v_strip_size = strip;
1836 vol->v_disks_count = numdisks;
1837 if (level == G_RAID_VOLUME_RL_RAID0)
1838 vol->v_mediasize = size * numdisks;
1839 else if (level == G_RAID_VOLUME_RL_RAID1)
1840 vol->v_mediasize = size;
1841 else if (level == G_RAID_VOLUME_RL_RAID5)
1842 vol->v_mediasize = size * (numdisks - 1);
1843 else { /* RAID1E */
1844 vol->v_mediasize = ((size * numdisks) / strip / 2) *
1845 strip;
1846 }
1847 vol->v_sectorsize = sectorsize;
1848 g_raid_start_volume(vol);
1849
1850 /* , and subdisks. */
1851 for (i = 0; i < numdisks; i++) {
1852 disk = vol1->v_subdisks[i].sd_disk;
1853 sd = &vol->v_subdisks[i];
1854 sd->sd_disk = disk;
1855 sd->sd_offset = off;
1856 sd->sd_size = size;
1857 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1858 if (disk->d_state == G_RAID_DISK_S_ACTIVE) {
1859 if (level == G_RAID_VOLUME_RL_RAID5)
1860 g_raid_change_subdisk_state(sd,
1861 G_RAID_SUBDISK_S_UNINITIALIZED);
1862 else
1863 g_raid_change_subdisk_state(sd,
1864 G_RAID_SUBDISK_S_ACTIVE);
1865 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
1866 G_RAID_EVENT_SUBDISK);
1867 }
1868 }
1869
1870 /* Write metadata based on created entities. */
1871 g_raid_md_write_intel(md, NULL, NULL, NULL);
1872
1873 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1874 G_RAID_EVENT_VOLUME);
1875 return (0);
1876 }
1877 if (strcmp(verb, "delete") == 0) {
1878
1879 /* Full node destruction. */
1880 if (*nargs == 1) {
1881 /* Check if some volume is still open. */
1882 force = gctl_get_paraml(req, "force", sizeof(*force));
1883 if (force != NULL && *force == 0 &&
1884 g_raid_nopens(sc) != 0) {
1885 gctl_error(req, "Some volume is still open.");
1886 return (-4);
1887 }
1888
1889 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1890 if (disk->d_consumer)
1891 intel_meta_erase(disk->d_consumer);
1892 }
1893 g_raid_destroy_node(sc, 0);
1894 return (0);
1895 }
1896
1897 /* Destroy specified volume. If it was last - all node. */
1898 if (*nargs != 2) {
1899 gctl_error(req, "Invalid number of arguments.");
1900 return (-1);
1901 }
1902 volname = gctl_get_asciiparam(req, "arg1");
1903 if (volname == NULL) {
1904 gctl_error(req, "No volume name.");
1905 return (-2);
1906 }
1907
1908 /* Search for volume. */
1909 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
1910 if (strcmp(vol->v_name, volname) == 0)
1911 break;
1912 }
1913 if (vol == NULL) {
1914 i = strtol(volname, &tmp, 10);
1915 if (verb != volname && tmp[0] == 0) {
1916 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
1917 if (vol->v_global_id == i)
1918 break;
1919 }
1920 }
1921 }
1922 if (vol == NULL) {
1923 gctl_error(req, "Volume '%s' not found.", volname);
1924 return (-3);
1925 }
1926
1927 /* Check if volume is still open. */
1928 force = gctl_get_paraml(req, "force", sizeof(*force));
1929 if (force != NULL && *force == 0 &&
1930 vol->v_provider_open != 0) {
1931 gctl_error(req, "Volume is still open.");
1932 return (-4);
1933 }
1934
1935 /* Destroy volume and potentially node. */
1936 i = 0;
1937 TAILQ_FOREACH(vol1, &sc->sc_volumes, v_next)
1938 i++;
1939 if (i >= 2) {
1940 g_raid_destroy_volume(vol);
1941 g_raid_md_write_intel(md, NULL, NULL, NULL);
1942 } else {
1943 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1944 if (disk->d_consumer)
1945 intel_meta_erase(disk->d_consumer);
1946 }
1947 g_raid_destroy_node(sc, 0);
1948 }
1949 return (0);
1950 }
1951 if (strcmp(verb, "remove") == 0 ||
1952 strcmp(verb, "fail") == 0) {
1953 if (*nargs < 2) {
1954 gctl_error(req, "Invalid number of arguments.");
1955 return (-1);
1956 }
1957 for (i = 1; i < *nargs; i++) {
1958 snprintf(arg, sizeof(arg), "arg%d", i);
1959 diskname = gctl_get_asciiparam(req, arg);
1960 if (diskname == NULL) {
1961 gctl_error(req, "No disk name (%s).", arg);
1962 error = -2;
1963 break;
1964 }
1965 if (strncmp(diskname, "/dev/", 5) == 0)
1966 diskname += 5;
1967
1968 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1969 if (disk->d_consumer != NULL &&
1970 disk->d_consumer->provider != NULL &&
1971 strcmp(disk->d_consumer->provider->name,
1972 diskname) == 0)
1973 break;
1974 }
1975 if (disk == NULL) {
1976 gctl_error(req, "Disk '%s' not found.",
1977 diskname);
1978 error = -3;
1979 break;
1980 }
1981
1982 if (strcmp(verb, "fail") == 0) {
1983 g_raid_md_fail_disk_intel(md, NULL, disk);
1984 continue;
1985 }
1986
1987 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
1988
1989 /* Erase metadata on deleting disk. */
1990 intel_meta_erase(disk->d_consumer);
1991
1992 /* If disk was assigned, just update statuses. */
1993 if (pd->pd_disk_pos >= 0) {
1994 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1995 g_raid_kill_consumer(sc, disk->d_consumer);
1996 disk->d_consumer = NULL;
1997 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
1998 g_raid_change_subdisk_state(sd,
1999 G_RAID_SUBDISK_S_NONE);
2000 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
2001 G_RAID_EVENT_SUBDISK);
2002 }
2003 } else {
2004 /* Otherwise -- delete. */
2005 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
2006 g_raid_destroy_disk(disk);
2007 }
2008 }
2009
2010 /* Write updated metadata to remaining disks. */
2011 g_raid_md_write_intel(md, NULL, NULL, NULL);
2012
2013 /* Check if anything left except placeholders. */
2014 if (g_raid_ndisks(sc, -1) ==
2015 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
2016 g_raid_destroy_node(sc, 0);
2017 else
2018 g_raid_md_intel_refill(sc);
2019 return (error);
2020 }
2021 if (strcmp(verb, "insert") == 0) {
2022 if (*nargs < 2) {
2023 gctl_error(req, "Invalid number of arguments.");
2024 return (-1);
2025 }
2026 update = 0;
2027 for (i = 1; i < *nargs; i++) {
2028 /* Get disk name. */
2029 snprintf(arg, sizeof(arg), "arg%d", i);
2030 diskname = gctl_get_asciiparam(req, arg);
2031 if (diskname == NULL) {
2032 gctl_error(req, "No disk name (%s).", arg);
2033 error = -3;
2034 break;
2035 }
2036
2037 /* Try to find provider with specified name. */
2038 g_topology_lock();
2039 cp = g_raid_open_consumer(sc, diskname);
2040 if (cp == NULL) {
2041 gctl_error(req, "Can't open disk '%s'.",
2042 diskname);
2043 g_topology_unlock();
2044 error = -4;
2045 break;
2046 }
2047 pp = cp->provider;
2048 g_topology_unlock();
2049
2050 /* Read disk serial. */
2051 error = g_raid_md_get_label(cp,
2052 &serial[0], INTEL_SERIAL_LEN);
2053 if (error != 0) {
2054 gctl_error(req,
2055 "Can't get serial for provider '%s'.",
2056 diskname);
2057 g_raid_kill_consumer(sc, cp);
2058 error = -7;
2059 break;
2060 }
2061
2062 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
2063 pd->pd_disk_pos = -1;
2064
2065 disk = g_raid_create_disk(sc);
2066 disk->d_consumer = cp;
2067 disk->d_md_data = (void *)pd;
2068 cp->private = disk;
2069
2070 /* Read kernel dumping information. */
2071 disk->d_kd.offset = 0;
2072 disk->d_kd.length = OFF_MAX;
2073 len = sizeof(disk->d_kd);
2074 g_io_getattr("GEOM::kerneldump", cp, &len, &disk->d_kd);
2075 if (disk->d_kd.di.dumper == NULL)
2076 G_RAID_DEBUG1(2, sc,
2077 "Dumping not supported by %s.",
2078 cp->provider->name);
2079
2080 memcpy(&pd->pd_disk_meta.serial[0], &serial[0],
2081 INTEL_SERIAL_LEN);
2082 intel_set_disk_sectors(&pd->pd_disk_meta,
2083 pp->mediasize / pp->sectorsize);
2084 pd->pd_disk_meta.id = 0;
2085 pd->pd_disk_meta.flags = INTEL_F_SPARE;
2086
2087 /* Welcome the "new" disk. */
2088 update += g_raid_md_intel_start_disk(disk);
2089 if (disk->d_state == G_RAID_DISK_S_SPARE) {
2090 intel_meta_write_spare(cp, &pd->pd_disk_meta);
2091 g_raid_destroy_disk(disk);
2092 } else if (disk->d_state != G_RAID_DISK_S_ACTIVE) {
2093 gctl_error(req, "Disk '%s' doesn't fit.",
2094 diskname);
2095 g_raid_destroy_disk(disk);
2096 error = -8;
2097 break;
2098 }
2099 }
2100
2101 /* Write new metadata if we changed something. */
2102 if (update)
2103 g_raid_md_write_intel(md, NULL, NULL, NULL);
2104 return (error);
2105 }
2106 return (-100);
2107 }
2108
2109 static int
2110 g_raid_md_write_intel(struct g_raid_md_object *md, struct g_raid_volume *tvol,
2111 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
2112 {
2113 struct g_raid_softc *sc;
2114 struct g_raid_volume *vol;
2115 struct g_raid_subdisk *sd;
2116 struct g_raid_disk *disk;
2117 struct g_raid_md_intel_object *mdi;
2118 struct g_raid_md_intel_perdisk *pd;
2119 struct intel_raid_conf *meta;
2120 struct intel_raid_vol *mvol;
2121 struct intel_raid_map *mmap0, *mmap1;
2122 off_t sectorsize = 512, pos;
2123 const char *version, *cv;
2124 int vi, sdi, numdisks, len, state, stale;
2125
2126 sc = md->mdo_softc;
2127 mdi = (struct g_raid_md_intel_object *)md;
2128
2129 if (sc->sc_stopping == G_RAID_DESTROY_HARD)
2130 return (0);
2131
2132 /* Bump generation. Newly written metadata may differ from previous. */
2133 mdi->mdio_generation++;
2134
2135 /* Count number of disks. */
2136 numdisks = 0;
2137 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2138 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2139 if (pd->pd_disk_pos < 0)
2140 continue;
2141 numdisks++;
2142 if (disk->d_state == G_RAID_DISK_S_ACTIVE) {
2143 pd->pd_disk_meta.flags =
2144 INTEL_F_ONLINE | INTEL_F_ASSIGNED;
2145 } else if (disk->d_state == G_RAID_DISK_S_FAILED) {
2146 pd->pd_disk_meta.flags = INTEL_F_FAILED | INTEL_F_ASSIGNED;
2147 } else {
2148 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED;
2149 if (pd->pd_disk_meta.id != 0xffffffff) {
2150 pd->pd_disk_meta.id = 0xffffffff;
2151 len = strlen(pd->pd_disk_meta.serial);
2152 len = min(len, INTEL_SERIAL_LEN - 3);
2153 strcpy(pd->pd_disk_meta.serial + len, ":0");
2154 }
2155 }
2156 }
2157
2158 /* Fill anchor and disks. */
2159 meta = malloc(INTEL_MAX_MD_SIZE(numdisks),
2160 M_MD_INTEL, M_WAITOK | M_ZERO);
2161 memcpy(&meta->intel_id[0], INTEL_MAGIC, sizeof(INTEL_MAGIC) - 1);
2162 meta->config_size = INTEL_MAX_MD_SIZE(numdisks);
2163 meta->config_id = mdi->mdio_config_id;
2164 meta->generation = mdi->mdio_generation;
2165 meta->attributes = INTEL_ATTR_CHECKSUM;
2166 meta->total_disks = numdisks;
2167 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2168 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2169 if (pd->pd_disk_pos < 0)
2170 continue;
2171 meta->disk[pd->pd_disk_pos] = pd->pd_disk_meta;
2172 }
2173
2174 /* Fill volumes and maps. */
2175 vi = 0;
2176 version = INTEL_VERSION_1000;
2177 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
2178 if (vol->v_stopping)
2179 continue;
2180 mvol = intel_get_volume(meta, vi);
2181
2182 /* New metadata may have different volumes order. */
2183 vol->v_md_data = (void *)(intptr_t)vi;
2184
2185 for (sdi = 0; sdi < vol->v_disks_count; sdi++) {
2186 sd = &vol->v_subdisks[sdi];
2187 if (sd->sd_disk != NULL)
2188 break;
2189 }
2190 if (sdi >= vol->v_disks_count)
2191 panic("No any filled subdisk in volume");
2192 if (vol->v_mediasize >= 0x20000000000llu)
2193 meta->attributes |= INTEL_ATTR_2TB;
2194 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
2195 meta->attributes |= INTEL_ATTR_RAID0;
2196 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
2197 meta->attributes |= INTEL_ATTR_RAID1;
2198 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5)
2199 meta->attributes |= INTEL_ATTR_RAID5;
2200 else
2201 meta->attributes |= INTEL_ATTR_RAID10;
2202
2203 if (meta->attributes & INTEL_ATTR_2TB)
2204 cv = INTEL_VERSION_1300;
2205 // else if (dev->status == DEV_CLONE_N_GO)
2206 // cv = INTEL_VERSION_1206;
2207 else if (vol->v_disks_count > 4)
2208 cv = INTEL_VERSION_1204;
2209 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5)
2210 cv = INTEL_VERSION_1202;
2211 else if (vol->v_disks_count > 2)
2212 cv = INTEL_VERSION_1201;
2213 else if (vi > 0)
2214 cv = INTEL_VERSION_1200;
2215 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
2216 cv = INTEL_VERSION_1100;
2217 else
2218 cv = INTEL_VERSION_1000;
2219 if (strcmp(cv, version) > 0)
2220 version = cv;
2221
2222 strlcpy(&mvol->name[0], vol->v_name, sizeof(mvol->name));
2223 mvol->total_sectors = vol->v_mediasize / sectorsize;
2224
2225 /* Check for any recovery in progress. */
2226 state = G_RAID_SUBDISK_S_ACTIVE;
2227 pos = 0x7fffffffffffffffllu;
2228 stale = 0;
2229 for (sdi = 0; sdi < vol->v_disks_count; sdi++) {
2230 sd = &vol->v_subdisks[sdi];
2231 if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD)
2232 state = G_RAID_SUBDISK_S_REBUILD;
2233 else if (sd->sd_state == G_RAID_SUBDISK_S_RESYNC &&
2234 state != G_RAID_SUBDISK_S_REBUILD)
2235 state = G_RAID_SUBDISK_S_RESYNC;
2236 else if (sd->sd_state == G_RAID_SUBDISK_S_STALE)
2237 stale = 1;
2238 if ((sd->sd_state == G_RAID_SUBDISK_S_REBUILD ||
2239 sd->sd_state == G_RAID_SUBDISK_S_RESYNC) &&
2240 sd->sd_rebuild_pos < pos)
2241 pos = sd->sd_rebuild_pos;
2242 }
2243 if (state == G_RAID_SUBDISK_S_REBUILD) {
2244 mvol->migr_state = 1;
2245 mvol->migr_type = INTEL_MT_REBUILD;
2246 } else if (state == G_RAID_SUBDISK_S_RESYNC) {
2247 mvol->migr_state = 1;
2248 /* mvol->migr_type = INTEL_MT_REPAIR; */
2249 mvol->migr_type = INTEL_MT_VERIFY;
2250 mvol->state |= INTEL_ST_VERIFY_AND_FIX;
2251 } else
2252 mvol->migr_state = 0;
2253 mvol->dirty = (vol->v_dirty || stale);
2254
2255 mmap0 = intel_get_map(mvol, 0);
2256
2257 /* Write map / common part of two maps. */
2258 intel_set_map_offset(mmap0, sd->sd_offset / sectorsize);
2259 intel_set_map_disk_sectors(mmap0, sd->sd_size / sectorsize);
2260 mmap0->strip_sectors = vol->v_strip_size / sectorsize;
2261 if (vol->v_state == G_RAID_VOLUME_S_BROKEN)
2262 mmap0->status = INTEL_S_FAILURE;
2263 else if (vol->v_state == G_RAID_VOLUME_S_DEGRADED)
2264 mmap0->status = INTEL_S_DEGRADED;
2265 else if (g_raid_nsubdisks(vol, G_RAID_SUBDISK_S_UNINITIALIZED)
2266 == g_raid_nsubdisks(vol, -1))
2267 mmap0->status = INTEL_S_UNINITIALIZED;
2268 else
2269 mmap0->status = INTEL_S_READY;
2270 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
2271 mmap0->type = INTEL_T_RAID0;
2272 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1 ||
2273 vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
2274 mmap0->type = INTEL_T_RAID1;
2275 else
2276 mmap0->type = INTEL_T_RAID5;
2277 mmap0->total_disks = vol->v_disks_count;
2278 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
2279 mmap0->total_domains = vol->v_disks_count;
2280 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
2281 mmap0->total_domains = 2;
2282 else
2283 mmap0->total_domains = 1;
2284 intel_set_map_stripe_count(mmap0,
2285 sd->sd_size / vol->v_strip_size / mmap0->total_domains);
2286 mmap0->failed_disk_num = 0xff;
2287 mmap0->ddf = 1;
2288
2289 /* If there are two maps - copy common and update. */
2290 if (mvol->migr_state) {
2291 intel_set_vol_curr_migr_unit(mvol,
2292 pos / vol->v_strip_size / mmap0->total_domains);
2293 mmap1 = intel_get_map(mvol, 1);
2294 memcpy(mmap1, mmap0, sizeof(struct intel_raid_map));
2295 mmap0->status = INTEL_S_READY;
2296 } else
2297 mmap1 = NULL;
2298
2299 /* Write disk indexes and put rebuild flags. */
2300 for (sdi = 0; sdi < vol->v_disks_count; sdi++) {
2301 sd = &vol->v_subdisks[sdi];
2302 pd = (struct g_raid_md_intel_perdisk *)
2303 sd->sd_disk->d_md_data;
2304 mmap0->disk_idx[sdi] = pd->pd_disk_pos;
2305 if (mvol->migr_state)
2306 mmap1->disk_idx[sdi] = pd->pd_disk_pos;
2307 if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD ||
2308 sd->sd_state == G_RAID_SUBDISK_S_RESYNC) {
2309 mmap1->disk_idx[sdi] |= INTEL_DI_RBLD;
2310 } else if (sd->sd_state != G_RAID_SUBDISK_S_ACTIVE &&
2311 sd->sd_state != G_RAID_SUBDISK_S_STALE &&
2312 sd->sd_state != G_RAID_SUBDISK_S_UNINITIALIZED) {
2313 mmap0->disk_idx[sdi] |= INTEL_DI_RBLD;
2314 if (mvol->migr_state)
2315 mmap1->disk_idx[sdi] |= INTEL_DI_RBLD;
2316 }
2317 if ((sd->sd_state == G_RAID_SUBDISK_S_NONE ||
2318 sd->sd_state == G_RAID_SUBDISK_S_FAILED) &&
2319 mmap0->failed_disk_num == 0xff) {
2320 mmap0->failed_disk_num = sdi;
2321 if (mvol->migr_state)
2322 mmap1->failed_disk_num = sdi;
2323 }
2324 }
2325 vi++;
2326 }
2327 meta->total_volumes = vi;
2328 if (strcmp(version, INTEL_VERSION_1300) != 0)
2329 meta->attributes &= INTEL_ATTR_CHECKSUM;
2330 memcpy(&meta->version[0], version, sizeof(INTEL_VERSION_1000) - 1);
2331
2332 /* We are done. Print meta data and store them to disks. */
2333 g_raid_md_intel_print(meta);
2334 if (mdi->mdio_meta != NULL)
2335 free(mdi->mdio_meta, M_MD_INTEL);
2336 mdi->mdio_meta = meta;
2337 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2338 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2339 if (disk->d_state != G_RAID_DISK_S_ACTIVE)
2340 continue;
2341 if (pd->pd_meta != NULL) {
2342 free(pd->pd_meta, M_MD_INTEL);
2343 pd->pd_meta = NULL;
2344 }
2345 pd->pd_meta = intel_meta_copy(meta);
2346 intel_meta_write(disk->d_consumer, meta);
2347 }
2348 return (0);
2349 }
2350
2351 static int
2352 g_raid_md_fail_disk_intel(struct g_raid_md_object *md,
2353 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
2354 {
2355 struct g_raid_softc *sc;
2356 struct g_raid_md_intel_object *mdi;
2357 struct g_raid_md_intel_perdisk *pd;
2358 struct g_raid_subdisk *sd;
2359
2360 sc = md->mdo_softc;
2361 mdi = (struct g_raid_md_intel_object *)md;
2362 pd = (struct g_raid_md_intel_perdisk *)tdisk->d_md_data;
2363
2364 /* We can't fail disk that is not a part of array now. */
2365 if (pd->pd_disk_pos < 0)
2366 return (-1);
2367
2368 /*
2369 * Mark disk as failed in metadata and try to write that metadata
2370 * to the disk itself to prevent it's later resurrection as STALE.
2371 */
2372 mdi->mdio_meta->disk[pd->pd_disk_pos].flags = INTEL_F_FAILED;
2373 pd->pd_disk_meta.flags = INTEL_F_FAILED;
2374 g_raid_md_intel_print(mdi->mdio_meta);
2375 if (tdisk->d_consumer)
2376 intel_meta_write(tdisk->d_consumer, mdi->mdio_meta);
2377
2378 /* Change states. */
2379 g_raid_change_disk_state(tdisk, G_RAID_DISK_S_FAILED);
2380 TAILQ_FOREACH(sd, &tdisk->d_subdisks, sd_next) {
2381 g_raid_change_subdisk_state(sd,
2382 G_RAID_SUBDISK_S_FAILED);
2383 g_raid_event_send(sd, G_RAID_SUBDISK_E_FAILED,
2384 G_RAID_EVENT_SUBDISK);
2385 }
2386
2387 /* Write updated metadata to remaining disks. */
2388 g_raid_md_write_intel(md, NULL, NULL, tdisk);
2389
2390 /* Check if anything left except placeholders. */
2391 if (g_raid_ndisks(sc, -1) ==
2392 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
2393 g_raid_destroy_node(sc, 0);
2394 else
2395 g_raid_md_intel_refill(sc);
2396 return (0);
2397 }
2398
2399 static int
2400 g_raid_md_free_disk_intel(struct g_raid_md_object *md,
2401 struct g_raid_disk *disk)
2402 {
2403 struct g_raid_md_intel_perdisk *pd;
2404
2405 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2406 if (pd->pd_meta != NULL) {
2407 free(pd->pd_meta, M_MD_INTEL);
2408 pd->pd_meta = NULL;
2409 }
2410 free(pd, M_MD_INTEL);
2411 disk->d_md_data = NULL;
2412 return (0);
2413 }
2414
2415 static int
2416 g_raid_md_free_intel(struct g_raid_md_object *md)
2417 {
2418 struct g_raid_md_intel_object *mdi;
2419
2420 mdi = (struct g_raid_md_intel_object *)md;
2421 if (!mdi->mdio_started) {
2422 mdi->mdio_started = 0;
2423 callout_stop(&mdi->mdio_start_co);
2424 G_RAID_DEBUG1(1, md->mdo_softc,
2425 "root_mount_rel %p", mdi->mdio_rootmount);
2426 root_mount_rel(mdi->mdio_rootmount);
2427 mdi->mdio_rootmount = NULL;
2428 }
2429 if (mdi->mdio_meta != NULL) {
2430 free(mdi->mdio_meta, M_MD_INTEL);
2431 mdi->mdio_meta = NULL;
2432 }
2433 return (0);
2434 }
2435
2436 G_RAID_MD_DECLARE(intel, "Intel");
Cache object: 28cbd7d9f9ea9e058db4dd75cc7cb8af
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