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/10.0/sys/geom/raid/md_intel.c 245433 2013-01-14 20:31:45Z 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 #define INTEL_CNGST_UPDATED 0
102 #define INTEL_CNGST_NEEDS_UPDATE 1
103 #define INTEL_CNGST_MASTER_MISSING 2
104 uint8_t cng_sub_state;
105 uint32_t filler_0[10];
106
107 uint32_t curr_migr_unit;
108 uint32_t checkpoint_id;
109 uint8_t migr_state;
110 uint8_t migr_type;
111 #define INTEL_MT_INIT 0
112 #define INTEL_MT_REBUILD 1
113 #define INTEL_MT_VERIFY 2
114 #define INTEL_MT_GEN_MIGR 3
115 #define INTEL_MT_STATE_CHANGE 4
116 #define INTEL_MT_REPAIR 5
117 uint8_t dirty;
118 uint8_t fs_state;
119 uint16_t verify_errors;
120 uint16_t bad_blocks;
121 uint32_t curr_migr_unit_hi;
122 uint32_t filler_1[3];
123 struct intel_raid_map map[1]; /* 2 entries if migr_state != 0. */
124 } __packed;
125
126 struct intel_raid_disk {
127 #define INTEL_SERIAL_LEN 16
128 uint8_t serial[INTEL_SERIAL_LEN];
129 uint32_t sectors;
130 uint32_t id;
131 uint32_t flags;
132 #define INTEL_F_SPARE 0x01
133 #define INTEL_F_ASSIGNED 0x02
134 #define INTEL_F_FAILED 0x04
135 #define INTEL_F_ONLINE 0x08
136 #define INTEL_F_DISABLED 0x80
137 uint32_t owner_cfg_num;
138 uint32_t sectors_hi;
139 uint32_t filler[3];
140 } __packed;
141
142 struct intel_raid_conf {
143 uint8_t intel_id[24];
144 #define INTEL_MAGIC "Intel Raid ISM Cfg Sig. "
145
146 uint8_t version[6];
147 #define INTEL_VERSION_1000 "1.0.00" /* RAID0 */
148 #define INTEL_VERSION_1100 "1.1.00" /* RAID1 */
149 #define INTEL_VERSION_1200 "1.2.00" /* Many volumes */
150 #define INTEL_VERSION_1201 "1.2.01" /* 3 or 4 disks */
151 #define INTEL_VERSION_1202 "1.2.02" /* RAID5 */
152 #define INTEL_VERSION_1204 "1.2.04" /* 5 or 6 disks */
153 #define INTEL_VERSION_1206 "1.2.06" /* CNG */
154 #define INTEL_VERSION_1300 "1.3.00" /* Attributes */
155
156 uint8_t dummy_0[2];
157 uint32_t checksum;
158 uint32_t config_size;
159 uint32_t config_id;
160 uint32_t generation;
161 uint32_t error_log_size;
162 uint32_t attributes;
163 #define INTEL_ATTR_RAID0 0x00000001
164 #define INTEL_ATTR_RAID1 0x00000002
165 #define INTEL_ATTR_RAID10 0x00000004
166 #define INTEL_ATTR_RAID1E 0x00000008
167 #define INTEL_ATTR_RAID5 0x00000010
168 #define INTEL_ATTR_RAIDCNG 0x00000020
169 #define INTEL_ATTR_EXT_STRIP 0x00000040
170 #define INTEL_ATTR_NVM_CACHE 0x02000000
171 #define INTEL_ATTR_2TB_DISK 0x04000000
172 #define INTEL_ATTR_BBM 0x08000000
173 #define INTEL_ATTR_NVM_CACHE2 0x10000000
174 #define INTEL_ATTR_2TB 0x20000000
175 #define INTEL_ATTR_PM 0x40000000
176 #define INTEL_ATTR_CHECKSUM 0x80000000
177
178 uint8_t total_disks;
179 uint8_t total_volumes;
180 uint8_t error_log_pos;
181 uint8_t dummy_2[1];
182 uint32_t cache_size;
183 uint32_t orig_config_id;
184 uint32_t pwr_cycle_count;
185 uint32_t bbm_log_size;
186 uint32_t filler_0[35];
187 struct intel_raid_disk disk[1]; /* total_disks entries. */
188 /* Here goes total_volumes of struct intel_raid_vol. */
189 } __packed;
190
191 #define INTEL_ATTR_SUPPORTED ( INTEL_ATTR_RAID0 | INTEL_ATTR_RAID1 | \
192 INTEL_ATTR_RAID10 | INTEL_ATTR_RAID1E | INTEL_ATTR_RAID5 | \
193 INTEL_ATTR_RAIDCNG | INTEL_ATTR_EXT_STRIP | INTEL_ATTR_2TB_DISK | \
194 INTEL_ATTR_2TB | INTEL_ATTR_PM | INTEL_ATTR_CHECKSUM )
195
196 #define INTEL_MAX_MD_SIZE(ndisks) \
197 (sizeof(struct intel_raid_conf) + \
198 sizeof(struct intel_raid_disk) * (ndisks - 1) + \
199 sizeof(struct intel_raid_vol) * 2 + \
200 sizeof(struct intel_raid_map) * 2 + \
201 sizeof(uint32_t) * (ndisks - 1) * 4)
202
203 struct g_raid_md_intel_perdisk {
204 struct intel_raid_conf *pd_meta;
205 int pd_disk_pos;
206 struct intel_raid_disk pd_disk_meta;
207 };
208
209 struct g_raid_md_intel_pervolume {
210 int pv_volume_pos;
211 int pv_cng;
212 int pv_cng_man_sync;
213 int pv_cng_master_disk;
214 };
215
216 struct g_raid_md_intel_object {
217 struct g_raid_md_object mdio_base;
218 uint32_t mdio_config_id;
219 uint32_t mdio_orig_config_id;
220 uint32_t mdio_generation;
221 struct intel_raid_conf *mdio_meta;
222 struct callout mdio_start_co; /* STARTING state timer. */
223 int mdio_disks_present;
224 int mdio_started;
225 int mdio_incomplete;
226 struct root_hold_token *mdio_rootmount; /* Root mount delay token. */
227 };
228
229 static g_raid_md_create_t g_raid_md_create_intel;
230 static g_raid_md_taste_t g_raid_md_taste_intel;
231 static g_raid_md_event_t g_raid_md_event_intel;
232 static g_raid_md_ctl_t g_raid_md_ctl_intel;
233 static g_raid_md_write_t g_raid_md_write_intel;
234 static g_raid_md_fail_disk_t g_raid_md_fail_disk_intel;
235 static g_raid_md_free_disk_t g_raid_md_free_disk_intel;
236 static g_raid_md_free_volume_t g_raid_md_free_volume_intel;
237 static g_raid_md_free_t g_raid_md_free_intel;
238
239 static kobj_method_t g_raid_md_intel_methods[] = {
240 KOBJMETHOD(g_raid_md_create, g_raid_md_create_intel),
241 KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_intel),
242 KOBJMETHOD(g_raid_md_event, g_raid_md_event_intel),
243 KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_intel),
244 KOBJMETHOD(g_raid_md_write, g_raid_md_write_intel),
245 KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_intel),
246 KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_intel),
247 KOBJMETHOD(g_raid_md_free_volume, g_raid_md_free_volume_intel),
248 KOBJMETHOD(g_raid_md_free, g_raid_md_free_intel),
249 { 0, 0 }
250 };
251
252 static struct g_raid_md_class g_raid_md_intel_class = {
253 "Intel",
254 g_raid_md_intel_methods,
255 sizeof(struct g_raid_md_intel_object),
256 .mdc_enable = 1,
257 .mdc_priority = 100
258 };
259
260
261 static struct intel_raid_map *
262 intel_get_map(struct intel_raid_vol *mvol, int i)
263 {
264 struct intel_raid_map *mmap;
265
266 if (i > (mvol->migr_state ? 1 : 0))
267 return (NULL);
268 mmap = &mvol->map[0];
269 for (; i > 0; i--) {
270 mmap = (struct intel_raid_map *)
271 &mmap->disk_idx[mmap->total_disks];
272 }
273 return ((struct intel_raid_map *)mmap);
274 }
275
276 static struct intel_raid_vol *
277 intel_get_volume(struct intel_raid_conf *meta, int i)
278 {
279 struct intel_raid_vol *mvol;
280 struct intel_raid_map *mmap;
281
282 if (i > 1)
283 return (NULL);
284 mvol = (struct intel_raid_vol *)&meta->disk[meta->total_disks];
285 for (; i > 0; i--) {
286 mmap = intel_get_map(mvol, mvol->migr_state ? 1 : 0);
287 mvol = (struct intel_raid_vol *)
288 &mmap->disk_idx[mmap->total_disks];
289 }
290 return (mvol);
291 }
292
293 static off_t
294 intel_get_map_offset(struct intel_raid_map *mmap)
295 {
296 off_t offset = (off_t)mmap->offset_hi << 32;
297
298 offset += mmap->offset;
299 return (offset);
300 }
301
302 static void
303 intel_set_map_offset(struct intel_raid_map *mmap, off_t offset)
304 {
305
306 mmap->offset = offset & 0xffffffff;
307 mmap->offset_hi = offset >> 32;
308 }
309
310 static off_t
311 intel_get_map_disk_sectors(struct intel_raid_map *mmap)
312 {
313 off_t disk_sectors = (off_t)mmap->disk_sectors_hi << 32;
314
315 disk_sectors += mmap->disk_sectors;
316 return (disk_sectors);
317 }
318
319 static void
320 intel_set_map_disk_sectors(struct intel_raid_map *mmap, off_t disk_sectors)
321 {
322
323 mmap->disk_sectors = disk_sectors & 0xffffffff;
324 mmap->disk_sectors_hi = disk_sectors >> 32;
325 }
326
327 static void
328 intel_set_map_stripe_count(struct intel_raid_map *mmap, off_t stripe_count)
329 {
330
331 mmap->stripe_count = stripe_count & 0xffffffff;
332 mmap->stripe_count_hi = stripe_count >> 32;
333 }
334
335 static off_t
336 intel_get_disk_sectors(struct intel_raid_disk *disk)
337 {
338 off_t sectors = (off_t)disk->sectors_hi << 32;
339
340 sectors += disk->sectors;
341 return (sectors);
342 }
343
344 static void
345 intel_set_disk_sectors(struct intel_raid_disk *disk, off_t sectors)
346 {
347
348 disk->sectors = sectors & 0xffffffff;
349 disk->sectors_hi = sectors >> 32;
350 }
351
352 static off_t
353 intel_get_vol_curr_migr_unit(struct intel_raid_vol *vol)
354 {
355 off_t curr_migr_unit = (off_t)vol->curr_migr_unit_hi << 32;
356
357 curr_migr_unit += vol->curr_migr_unit;
358 return (curr_migr_unit);
359 }
360
361 static void
362 intel_set_vol_curr_migr_unit(struct intel_raid_vol *vol, off_t curr_migr_unit)
363 {
364
365 vol->curr_migr_unit = curr_migr_unit & 0xffffffff;
366 vol->curr_migr_unit_hi = curr_migr_unit >> 32;
367 }
368
369 static void
370 g_raid_md_intel_print(struct intel_raid_conf *meta)
371 {
372 struct intel_raid_vol *mvol;
373 struct intel_raid_map *mmap;
374 int i, j, k;
375
376 if (g_raid_debug < 1)
377 return;
378
379 printf("********* ATA Intel MatrixRAID Metadata *********\n");
380 printf("intel_id <%.24s>\n", meta->intel_id);
381 printf("version <%.6s>\n", meta->version);
382 printf("checksum 0x%08x\n", meta->checksum);
383 printf("config_size 0x%08x\n", meta->config_size);
384 printf("config_id 0x%08x\n", meta->config_id);
385 printf("generation 0x%08x\n", meta->generation);
386 printf("error_log_size %d\n", meta->error_log_size);
387 printf("attributes 0x%08x\n", meta->attributes);
388 printf("total_disks %u\n", meta->total_disks);
389 printf("total_volumes %u\n", meta->total_volumes);
390 printf("error_log_pos %u\n", meta->error_log_pos);
391 printf("cache_size %u\n", meta->cache_size);
392 printf("orig_config_id 0x%08x\n", meta->orig_config_id);
393 printf("pwr_cycle_count %u\n", meta->pwr_cycle_count);
394 printf("bbm_log_size %u\n", meta->bbm_log_size);
395 printf("DISK# serial disk_sectors disk_sectors_hi disk_id flags owner\n");
396 for (i = 0; i < meta->total_disks; i++ ) {
397 printf(" %d <%.16s> %u %u 0x%08x 0x%08x %08x\n", i,
398 meta->disk[i].serial, meta->disk[i].sectors,
399 meta->disk[i].sectors_hi, meta->disk[i].id,
400 meta->disk[i].flags, meta->disk[i].owner_cfg_num);
401 }
402 for (i = 0; i < meta->total_volumes; i++) {
403 mvol = intel_get_volume(meta, i);
404 printf(" ****** Volume %d ******\n", i);
405 printf(" name %.16s\n", mvol->name);
406 printf(" total_sectors %ju\n", mvol->total_sectors);
407 printf(" state 0x%08x\n", mvol->state);
408 printf(" reserved %u\n", mvol->reserved);
409 printf(" migr_priority %u\n", mvol->migr_priority);
410 printf(" num_sub_vols %u\n", mvol->num_sub_vols);
411 printf(" tid %u\n", mvol->tid);
412 printf(" cng_master_disk %u\n", mvol->cng_master_disk);
413 printf(" cache_policy %u\n", mvol->cache_policy);
414 printf(" cng_state %u\n", mvol->cng_state);
415 printf(" cng_sub_state %u\n", mvol->cng_sub_state);
416 printf(" curr_migr_unit %u\n", mvol->curr_migr_unit);
417 printf(" curr_migr_unit_hi %u\n", mvol->curr_migr_unit_hi);
418 printf(" checkpoint_id %u\n", mvol->checkpoint_id);
419 printf(" migr_state %u\n", mvol->migr_state);
420 printf(" migr_type %u\n", mvol->migr_type);
421 printf(" dirty %u\n", mvol->dirty);
422 printf(" fs_state %u\n", mvol->fs_state);
423 printf(" verify_errors %u\n", mvol->verify_errors);
424 printf(" bad_blocks %u\n", mvol->bad_blocks);
425
426 for (j = 0; j < (mvol->migr_state ? 2 : 1); j++) {
427 printf(" *** Map %d ***\n", j);
428 mmap = intel_get_map(mvol, j);
429 printf(" offset %u\n", mmap->offset);
430 printf(" offset_hi %u\n", mmap->offset_hi);
431 printf(" disk_sectors %u\n", mmap->disk_sectors);
432 printf(" disk_sectors_hi %u\n", mmap->disk_sectors_hi);
433 printf(" stripe_count %u\n", mmap->stripe_count);
434 printf(" stripe_count_hi %u\n", mmap->stripe_count_hi);
435 printf(" strip_sectors %u\n", mmap->strip_sectors);
436 printf(" status %u\n", mmap->status);
437 printf(" type %u\n", mmap->type);
438 printf(" total_disks %u\n", mmap->total_disks);
439 printf(" total_domains %u\n", mmap->total_domains);
440 printf(" failed_disk_num %u\n", mmap->failed_disk_num);
441 printf(" ddf %u\n", mmap->ddf);
442 printf(" disk_idx ");
443 for (k = 0; k < mmap->total_disks; k++)
444 printf(" 0x%08x", mmap->disk_idx[k]);
445 printf("\n");
446 }
447 }
448 printf("=================================================\n");
449 }
450
451 static struct intel_raid_conf *
452 intel_meta_copy(struct intel_raid_conf *meta)
453 {
454 struct intel_raid_conf *nmeta;
455
456 nmeta = malloc(meta->config_size, M_MD_INTEL, M_WAITOK);
457 memcpy(nmeta, meta, meta->config_size);
458 return (nmeta);
459 }
460
461 static int
462 intel_meta_find_disk(struct intel_raid_conf *meta, char *serial)
463 {
464 int pos;
465
466 for (pos = 0; pos < meta->total_disks; pos++) {
467 if (strncmp(meta->disk[pos].serial,
468 serial, INTEL_SERIAL_LEN) == 0)
469 return (pos);
470 }
471 return (-1);
472 }
473
474 static struct intel_raid_conf *
475 intel_meta_read(struct g_consumer *cp)
476 {
477 struct g_provider *pp;
478 struct intel_raid_conf *meta;
479 struct intel_raid_vol *mvol;
480 struct intel_raid_map *mmap, *mmap1;
481 char *buf;
482 int error, i, j, k, left, size;
483 uint32_t checksum, *ptr;
484
485 pp = cp->provider;
486
487 /* Read the anchor sector. */
488 buf = g_read_data(cp,
489 pp->mediasize - pp->sectorsize * 2, pp->sectorsize, &error);
490 if (buf == NULL) {
491 G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).",
492 pp->name, error);
493 return (NULL);
494 }
495 meta = (struct intel_raid_conf *)buf;
496
497 /* Check if this is an Intel RAID struct */
498 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) {
499 G_RAID_DEBUG(1, "Intel signature check failed on %s", pp->name);
500 g_free(buf);
501 return (NULL);
502 }
503 if (meta->config_size > 65536 ||
504 meta->config_size < sizeof(struct intel_raid_conf)) {
505 G_RAID_DEBUG(1, "Intel metadata size looks wrong: %d",
506 meta->config_size);
507 g_free(buf);
508 return (NULL);
509 }
510 size = meta->config_size;
511 meta = malloc(size, M_MD_INTEL, M_WAITOK);
512 memcpy(meta, buf, min(size, pp->sectorsize));
513 g_free(buf);
514
515 /* Read all the rest, if needed. */
516 if (meta->config_size > pp->sectorsize) {
517 left = (meta->config_size - 1) / pp->sectorsize;
518 buf = g_read_data(cp,
519 pp->mediasize - pp->sectorsize * (2 + left),
520 pp->sectorsize * left, &error);
521 if (buf == NULL) {
522 G_RAID_DEBUG(1, "Cannot read remaining metadata"
523 " part from %s (error=%d).",
524 pp->name, error);
525 free(meta, M_MD_INTEL);
526 return (NULL);
527 }
528 memcpy(((char *)meta) + pp->sectorsize, buf,
529 pp->sectorsize * left);
530 g_free(buf);
531 }
532
533 /* Check metadata checksum. */
534 for (checksum = 0, ptr = (uint32_t *)meta, i = 0;
535 i < (meta->config_size / sizeof(uint32_t)); i++) {
536 checksum += *ptr++;
537 }
538 checksum -= meta->checksum;
539 if (checksum != meta->checksum) {
540 G_RAID_DEBUG(1, "Intel checksum check failed on %s", pp->name);
541 free(meta, M_MD_INTEL);
542 return (NULL);
543 }
544
545 /* Validate metadata size. */
546 size = sizeof(struct intel_raid_conf) +
547 sizeof(struct intel_raid_disk) * (meta->total_disks - 1) +
548 sizeof(struct intel_raid_vol) * meta->total_volumes;
549 if (size > meta->config_size) {
550 badsize:
551 G_RAID_DEBUG(1, "Intel metadata size incorrect %d < %d",
552 meta->config_size, size);
553 free(meta, M_MD_INTEL);
554 return (NULL);
555 }
556 for (i = 0; i < meta->total_volumes; i++) {
557 mvol = intel_get_volume(meta, i);
558 mmap = intel_get_map(mvol, 0);
559 size += 4 * (mmap->total_disks - 1);
560 if (size > meta->config_size)
561 goto badsize;
562 if (mvol->migr_state) {
563 size += sizeof(struct intel_raid_map);
564 if (size > meta->config_size)
565 goto badsize;
566 mmap = intel_get_map(mvol, 1);
567 size += 4 * (mmap->total_disks - 1);
568 if (size > meta->config_size)
569 goto badsize;
570 }
571 }
572
573 g_raid_md_intel_print(meta);
574
575 if (strncmp(meta->version, INTEL_VERSION_1300, 6) > 0) {
576 G_RAID_DEBUG(1, "Intel unsupported version: '%.6s'",
577 meta->version);
578 free(meta, M_MD_INTEL);
579 return (NULL);
580 }
581
582 if (strncmp(meta->version, INTEL_VERSION_1300, 6) >= 0 &&
583 (meta->attributes & ~INTEL_ATTR_SUPPORTED) != 0) {
584 G_RAID_DEBUG(1, "Intel unsupported attributes: 0x%08x",
585 meta->attributes & ~INTEL_ATTR_SUPPORTED);
586 free(meta, M_MD_INTEL);
587 return (NULL);
588 }
589
590 /* Validate disk indexes. */
591 for (i = 0; i < meta->total_volumes; i++) {
592 mvol = intel_get_volume(meta, i);
593 for (j = 0; j < (mvol->migr_state ? 2 : 1); j++) {
594 mmap = intel_get_map(mvol, j);
595 for (k = 0; k < mmap->total_disks; k++) {
596 if ((mmap->disk_idx[k] & INTEL_DI_IDX) >
597 meta->total_disks) {
598 G_RAID_DEBUG(1, "Intel metadata disk"
599 " index %d too big (>%d)",
600 mmap->disk_idx[k] & INTEL_DI_IDX,
601 meta->total_disks);
602 free(meta, M_MD_INTEL);
603 return (NULL);
604 }
605 }
606 }
607 }
608
609 /* Validate migration types. */
610 for (i = 0; i < meta->total_volumes; i++) {
611 mvol = intel_get_volume(meta, i);
612 /* Deny unknown migration types. */
613 if (mvol->migr_state &&
614 mvol->migr_type != INTEL_MT_INIT &&
615 mvol->migr_type != INTEL_MT_REBUILD &&
616 mvol->migr_type != INTEL_MT_VERIFY &&
617 mvol->migr_type != INTEL_MT_GEN_MIGR &&
618 mvol->migr_type != INTEL_MT_REPAIR) {
619 G_RAID_DEBUG(1, "Intel metadata has unsupported"
620 " migration type %d", mvol->migr_type);
621 free(meta, M_MD_INTEL);
622 return (NULL);
623 }
624 /* Deny general migrations except SINGLE->RAID1. */
625 if (mvol->migr_state &&
626 mvol->migr_type == INTEL_MT_GEN_MIGR) {
627 mmap = intel_get_map(mvol, 0);
628 mmap1 = intel_get_map(mvol, 1);
629 if (mmap1->total_disks != 1 ||
630 mmap->type != INTEL_T_RAID1 ||
631 mmap->total_disks != 2 ||
632 mmap->offset != mmap1->offset ||
633 mmap->disk_sectors != mmap1->disk_sectors ||
634 mmap->total_domains != mmap->total_disks ||
635 mmap->offset_hi != mmap1->offset_hi ||
636 mmap->disk_sectors_hi != mmap1->disk_sectors_hi ||
637 (mmap->disk_idx[0] != mmap1->disk_idx[0] &&
638 mmap->disk_idx[0] != mmap1->disk_idx[1])) {
639 G_RAID_DEBUG(1, "Intel metadata has unsupported"
640 " variant of general migration");
641 free(meta, M_MD_INTEL);
642 return (NULL);
643 }
644 }
645 }
646
647 return (meta);
648 }
649
650 static int
651 intel_meta_write(struct g_consumer *cp, struct intel_raid_conf *meta)
652 {
653 struct g_provider *pp;
654 char *buf;
655 int error, i, sectors;
656 uint32_t checksum, *ptr;
657
658 pp = cp->provider;
659
660 /* Recalculate checksum for case if metadata were changed. */
661 meta->checksum = 0;
662 for (checksum = 0, ptr = (uint32_t *)meta, i = 0;
663 i < (meta->config_size / sizeof(uint32_t)); i++) {
664 checksum += *ptr++;
665 }
666 meta->checksum = checksum;
667
668 /* Create and fill buffer. */
669 sectors = (meta->config_size + pp->sectorsize - 1) / pp->sectorsize;
670 buf = malloc(sectors * pp->sectorsize, M_MD_INTEL, M_WAITOK | M_ZERO);
671 if (sectors > 1) {
672 memcpy(buf, ((char *)meta) + pp->sectorsize,
673 (sectors - 1) * pp->sectorsize);
674 }
675 memcpy(buf + (sectors - 1) * pp->sectorsize, meta, pp->sectorsize);
676
677 error = g_write_data(cp,
678 pp->mediasize - pp->sectorsize * (1 + sectors),
679 buf, pp->sectorsize * sectors);
680 if (error != 0) {
681 G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).",
682 pp->name, error);
683 }
684
685 free(buf, M_MD_INTEL);
686 return (error);
687 }
688
689 static int
690 intel_meta_erase(struct g_consumer *cp)
691 {
692 struct g_provider *pp;
693 char *buf;
694 int error;
695
696 pp = cp->provider;
697 buf = malloc(pp->sectorsize, M_MD_INTEL, M_WAITOK | M_ZERO);
698 error = g_write_data(cp,
699 pp->mediasize - 2 * pp->sectorsize,
700 buf, pp->sectorsize);
701 if (error != 0) {
702 G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).",
703 pp->name, error);
704 }
705 free(buf, M_MD_INTEL);
706 return (error);
707 }
708
709 static int
710 intel_meta_write_spare(struct g_consumer *cp, struct intel_raid_disk *d)
711 {
712 struct intel_raid_conf *meta;
713 int error;
714
715 /* Fill anchor and single disk. */
716 meta = malloc(INTEL_MAX_MD_SIZE(1), M_MD_INTEL, M_WAITOK | M_ZERO);
717 memcpy(&meta->intel_id[0], INTEL_MAGIC, sizeof(INTEL_MAGIC) - 1);
718 memcpy(&meta->version[0], INTEL_VERSION_1000,
719 sizeof(INTEL_VERSION_1000) - 1);
720 meta->config_size = INTEL_MAX_MD_SIZE(1);
721 meta->config_id = meta->orig_config_id = arc4random();
722 meta->generation = 1;
723 meta->total_disks = 1;
724 meta->disk[0] = *d;
725 error = intel_meta_write(cp, meta);
726 free(meta, M_MD_INTEL);
727 return (error);
728 }
729
730 static struct g_raid_disk *
731 g_raid_md_intel_get_disk(struct g_raid_softc *sc, int id)
732 {
733 struct g_raid_disk *disk;
734 struct g_raid_md_intel_perdisk *pd;
735
736 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
737 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
738 if (pd->pd_disk_pos == id)
739 break;
740 }
741 return (disk);
742 }
743
744 static int
745 g_raid_md_intel_supported(int level, int qual, int disks, int force)
746 {
747
748 switch (level) {
749 case G_RAID_VOLUME_RL_RAID0:
750 if (disks < 1)
751 return (0);
752 if (!force && (disks < 2 || disks > 6))
753 return (0);
754 break;
755 case G_RAID_VOLUME_RL_RAID1:
756 if (disks < 1)
757 return (0);
758 if (!force && (disks != 2))
759 return (0);
760 break;
761 case G_RAID_VOLUME_RL_RAID1E:
762 if (disks < 2)
763 return (0);
764 if (!force && (disks != 4))
765 return (0);
766 break;
767 case G_RAID_VOLUME_RL_RAID5:
768 if (disks < 3)
769 return (0);
770 if (!force && disks > 6)
771 return (0);
772 if (qual != G_RAID_VOLUME_RLQ_R5LA)
773 return (0);
774 break;
775 default:
776 return (0);
777 }
778 if (level != G_RAID_VOLUME_RL_RAID5 && qual != G_RAID_VOLUME_RLQ_NONE)
779 return (0);
780 return (1);
781 }
782
783 static struct g_raid_volume *
784 g_raid_md_intel_get_volume(struct g_raid_softc *sc, int id)
785 {
786 struct g_raid_volume *mvol;
787 struct g_raid_md_intel_pervolume *pv;
788
789 TAILQ_FOREACH(mvol, &sc->sc_volumes, v_next) {
790 pv = mvol->v_md_data;
791 if (pv->pv_volume_pos == id)
792 break;
793 }
794 return (mvol);
795 }
796
797 static int
798 g_raid_md_intel_start_disk(struct g_raid_disk *disk)
799 {
800 struct g_raid_softc *sc;
801 struct g_raid_subdisk *sd, *tmpsd;
802 struct g_raid_disk *olddisk, *tmpdisk;
803 struct g_raid_md_object *md;
804 struct g_raid_md_intel_object *mdi;
805 struct g_raid_md_intel_pervolume *pv;
806 struct g_raid_md_intel_perdisk *pd, *oldpd;
807 struct intel_raid_conf *meta;
808 struct intel_raid_vol *mvol;
809 struct intel_raid_map *mmap0, *mmap1;
810 int disk_pos, resurrection = 0, migr_global, i;
811
812 sc = disk->d_softc;
813 md = sc->sc_md;
814 mdi = (struct g_raid_md_intel_object *)md;
815 meta = mdi->mdio_meta;
816 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
817 olddisk = NULL;
818
819 /* Find disk position in metadata by it's serial. */
820 disk_pos = intel_meta_find_disk(meta, pd->pd_disk_meta.serial);
821 if (disk_pos < 0) {
822 G_RAID_DEBUG1(1, sc, "Unknown, probably new or stale disk");
823 /* Failed stale disk is useless for us. */
824 if ((pd->pd_disk_meta.flags & INTEL_F_FAILED) &&
825 !(pd->pd_disk_meta.flags & INTEL_F_DISABLED)) {
826 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE_FAILED);
827 return (0);
828 }
829 /* If we are in the start process, that's all for now. */
830 if (!mdi->mdio_started)
831 goto nofit;
832 /*
833 * If we have already started - try to get use of the disk.
834 * Try to replace OFFLINE disks first, then FAILED.
835 */
836 TAILQ_FOREACH(tmpdisk, &sc->sc_disks, d_next) {
837 if (tmpdisk->d_state != G_RAID_DISK_S_OFFLINE &&
838 tmpdisk->d_state != G_RAID_DISK_S_FAILED)
839 continue;
840 /* Make sure this disk is big enough. */
841 TAILQ_FOREACH(sd, &tmpdisk->d_subdisks, sd_next) {
842 off_t disk_sectors =
843 intel_get_disk_sectors(&pd->pd_disk_meta);
844
845 if (sd->sd_offset + sd->sd_size + 4096 >
846 disk_sectors * 512) {
847 G_RAID_DEBUG1(1, sc,
848 "Disk too small (%llu < %llu)",
849 (unsigned long long)
850 disk_sectors * 512,
851 (unsigned long long)
852 sd->sd_offset + sd->sd_size + 4096);
853 break;
854 }
855 }
856 if (sd != NULL)
857 continue;
858 if (tmpdisk->d_state == G_RAID_DISK_S_OFFLINE) {
859 olddisk = tmpdisk;
860 break;
861 } else if (olddisk == NULL)
862 olddisk = tmpdisk;
863 }
864 if (olddisk == NULL) {
865 nofit:
866 if (pd->pd_disk_meta.flags & INTEL_F_SPARE) {
867 g_raid_change_disk_state(disk,
868 G_RAID_DISK_S_SPARE);
869 return (1);
870 } else {
871 g_raid_change_disk_state(disk,
872 G_RAID_DISK_S_STALE);
873 return (0);
874 }
875 }
876 oldpd = (struct g_raid_md_intel_perdisk *)olddisk->d_md_data;
877 disk_pos = oldpd->pd_disk_pos;
878 resurrection = 1;
879 }
880
881 if (olddisk == NULL) {
882 /* Find placeholder by position. */
883 olddisk = g_raid_md_intel_get_disk(sc, disk_pos);
884 if (olddisk == NULL)
885 panic("No disk at position %d!", disk_pos);
886 if (olddisk->d_state != G_RAID_DISK_S_OFFLINE) {
887 G_RAID_DEBUG1(1, sc, "More then one disk for pos %d",
888 disk_pos);
889 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE);
890 return (0);
891 }
892 oldpd = (struct g_raid_md_intel_perdisk *)olddisk->d_md_data;
893 }
894
895 /* Replace failed disk or placeholder with new disk. */
896 TAILQ_FOREACH_SAFE(sd, &olddisk->d_subdisks, sd_next, tmpsd) {
897 TAILQ_REMOVE(&olddisk->d_subdisks, sd, sd_next);
898 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
899 sd->sd_disk = disk;
900 }
901 oldpd->pd_disk_pos = -2;
902 pd->pd_disk_pos = disk_pos;
903
904 /* If it was placeholder -- destroy it. */
905 if (olddisk->d_state == G_RAID_DISK_S_OFFLINE) {
906 g_raid_destroy_disk(olddisk);
907 } else {
908 /* Otherwise, make it STALE_FAILED. */
909 g_raid_change_disk_state(olddisk, G_RAID_DISK_S_STALE_FAILED);
910 /* Update global metadata just in case. */
911 memcpy(&meta->disk[disk_pos], &pd->pd_disk_meta,
912 sizeof(struct intel_raid_disk));
913 }
914
915 /* Welcome the new disk. */
916 if ((meta->disk[disk_pos].flags & INTEL_F_DISABLED) &&
917 !(pd->pd_disk_meta.flags & INTEL_F_SPARE))
918 g_raid_change_disk_state(disk, G_RAID_DISK_S_DISABLED);
919 else if (resurrection)
920 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
921 else if (meta->disk[disk_pos].flags & INTEL_F_FAILED)
922 g_raid_change_disk_state(disk, G_RAID_DISK_S_FAILED);
923 else if (meta->disk[disk_pos].flags & INTEL_F_SPARE)
924 g_raid_change_disk_state(disk, G_RAID_DISK_S_SPARE);
925 else
926 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
927 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
928 pv = sd->sd_volume->v_md_data;
929 mvol = intel_get_volume(meta, pv->pv_volume_pos);
930 mmap0 = intel_get_map(mvol, 0);
931 if (mvol->migr_state)
932 mmap1 = intel_get_map(mvol, 1);
933 else
934 mmap1 = mmap0;
935
936 migr_global = 1;
937 for (i = 0; i < mmap0->total_disks; i++) {
938 if ((mmap0->disk_idx[i] & INTEL_DI_RBLD) == 0 &&
939 (mmap1->disk_idx[i] & INTEL_DI_RBLD) != 0)
940 migr_global = 0;
941 }
942
943 if ((meta->disk[disk_pos].flags & INTEL_F_DISABLED) &&
944 !(pd->pd_disk_meta.flags & INTEL_F_SPARE)) {
945 /* Disabled disk, useless. */
946 g_raid_change_subdisk_state(sd,
947 G_RAID_SUBDISK_S_NONE);
948 } else if (resurrection) {
949 /* Stale disk, almost same as new. */
950 g_raid_change_subdisk_state(sd,
951 G_RAID_SUBDISK_S_NEW);
952 } else if (meta->disk[disk_pos].flags & INTEL_F_FAILED) {
953 /* Failed disk, almost useless. */
954 g_raid_change_subdisk_state(sd,
955 G_RAID_SUBDISK_S_FAILED);
956 } else if (mvol->migr_state == 0) {
957 if (mmap0->status == INTEL_S_UNINITIALIZED &&
958 (!pv->pv_cng || pv->pv_cng_master_disk != disk_pos)) {
959 /* Freshly created uninitialized volume. */
960 g_raid_change_subdisk_state(sd,
961 G_RAID_SUBDISK_S_UNINITIALIZED);
962 } else if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
963 /* Freshly inserted disk. */
964 g_raid_change_subdisk_state(sd,
965 G_RAID_SUBDISK_S_NEW);
966 } else if (mvol->dirty && (!pv->pv_cng ||
967 pv->pv_cng_master_disk != disk_pos)) {
968 /* Dirty volume (unclean shutdown). */
969 g_raid_change_subdisk_state(sd,
970 G_RAID_SUBDISK_S_STALE);
971 } else {
972 /* Up to date disk. */
973 g_raid_change_subdisk_state(sd,
974 G_RAID_SUBDISK_S_ACTIVE);
975 }
976 } else if (mvol->migr_type == INTEL_MT_INIT ||
977 mvol->migr_type == INTEL_MT_REBUILD) {
978 if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
979 /* Freshly inserted disk. */
980 g_raid_change_subdisk_state(sd,
981 G_RAID_SUBDISK_S_NEW);
982 } else if (mmap1->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
983 /* Rebuilding disk. */
984 g_raid_change_subdisk_state(sd,
985 G_RAID_SUBDISK_S_REBUILD);
986 if (mvol->dirty) {
987 sd->sd_rebuild_pos = 0;
988 } else {
989 sd->sd_rebuild_pos =
990 intel_get_vol_curr_migr_unit(mvol) *
991 sd->sd_volume->v_strip_size *
992 mmap0->total_domains;
993 }
994 } else if (mvol->migr_type == INTEL_MT_INIT &&
995 migr_global) {
996 /* Freshly created uninitialized volume. */
997 g_raid_change_subdisk_state(sd,
998 G_RAID_SUBDISK_S_UNINITIALIZED);
999 } else if (mvol->dirty && (!pv->pv_cng ||
1000 pv->pv_cng_master_disk != disk_pos)) {
1001 /* Dirty volume (unclean shutdown). */
1002 g_raid_change_subdisk_state(sd,
1003 G_RAID_SUBDISK_S_STALE);
1004 } else {
1005 /* Up to date disk. */
1006 g_raid_change_subdisk_state(sd,
1007 G_RAID_SUBDISK_S_ACTIVE);
1008 }
1009 } else if (mvol->migr_type == INTEL_MT_VERIFY ||
1010 mvol->migr_type == INTEL_MT_REPAIR) {
1011 if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
1012 /* Freshly inserted disk. */
1013 g_raid_change_subdisk_state(sd,
1014 G_RAID_SUBDISK_S_NEW);
1015 } else if ((mmap1->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) ||
1016 migr_global) {
1017 /* Resyncing disk. */
1018 g_raid_change_subdisk_state(sd,
1019 G_RAID_SUBDISK_S_RESYNC);
1020 if (mvol->dirty) {
1021 sd->sd_rebuild_pos = 0;
1022 } else {
1023 sd->sd_rebuild_pos =
1024 intel_get_vol_curr_migr_unit(mvol) *
1025 sd->sd_volume->v_strip_size *
1026 mmap0->total_domains;
1027 }
1028 } else if (mvol->dirty) {
1029 /* Dirty volume (unclean shutdown). */
1030 g_raid_change_subdisk_state(sd,
1031 G_RAID_SUBDISK_S_STALE);
1032 } else {
1033 /* Up to date disk. */
1034 g_raid_change_subdisk_state(sd,
1035 G_RAID_SUBDISK_S_ACTIVE);
1036 }
1037 } else if (mvol->migr_type == INTEL_MT_GEN_MIGR) {
1038 if ((mmap1->disk_idx[0] & INTEL_DI_IDX) != disk_pos) {
1039 /* Freshly inserted disk. */
1040 g_raid_change_subdisk_state(sd,
1041 G_RAID_SUBDISK_S_NEW);
1042 } else {
1043 /* Up to date disk. */
1044 g_raid_change_subdisk_state(sd,
1045 G_RAID_SUBDISK_S_ACTIVE);
1046 }
1047 }
1048 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
1049 G_RAID_EVENT_SUBDISK);
1050 }
1051
1052 /* Update status of our need for spare. */
1053 if (mdi->mdio_started) {
1054 mdi->mdio_incomplete =
1055 (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) +
1056 g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED) <
1057 meta->total_disks);
1058 }
1059
1060 return (resurrection);
1061 }
1062
1063 static void
1064 g_disk_md_intel_retaste(void *arg, int pending)
1065 {
1066
1067 G_RAID_DEBUG(1, "Array is not complete, trying to retaste.");
1068 g_retaste(&g_raid_class);
1069 free(arg, M_MD_INTEL);
1070 }
1071
1072 static void
1073 g_raid_md_intel_refill(struct g_raid_softc *sc)
1074 {
1075 struct g_raid_md_object *md;
1076 struct g_raid_md_intel_object *mdi;
1077 struct intel_raid_conf *meta;
1078 struct g_raid_disk *disk;
1079 struct task *task;
1080 int update, na;
1081
1082 md = sc->sc_md;
1083 mdi = (struct g_raid_md_intel_object *)md;
1084 meta = mdi->mdio_meta;
1085 update = 0;
1086 do {
1087 /* Make sure we miss anything. */
1088 na = g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) +
1089 g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED);
1090 if (na == meta->total_disks)
1091 break;
1092
1093 G_RAID_DEBUG1(1, md->mdo_softc,
1094 "Array is not complete (%d of %d), "
1095 "trying to refill.", na, meta->total_disks);
1096
1097 /* Try to get use some of STALE disks. */
1098 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1099 if (disk->d_state == G_RAID_DISK_S_STALE) {
1100 update += g_raid_md_intel_start_disk(disk);
1101 if (disk->d_state == G_RAID_DISK_S_ACTIVE ||
1102 disk->d_state == G_RAID_DISK_S_DISABLED)
1103 break;
1104 }
1105 }
1106 if (disk != NULL)
1107 continue;
1108
1109 /* Try to get use some of SPARE disks. */
1110 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1111 if (disk->d_state == G_RAID_DISK_S_SPARE) {
1112 update += g_raid_md_intel_start_disk(disk);
1113 if (disk->d_state == G_RAID_DISK_S_ACTIVE)
1114 break;
1115 }
1116 }
1117 } while (disk != NULL);
1118
1119 /* Write new metadata if we changed something. */
1120 if (update) {
1121 g_raid_md_write_intel(md, NULL, NULL, NULL);
1122 meta = mdi->mdio_meta;
1123 }
1124
1125 /* Update status of our need for spare. */
1126 mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) +
1127 g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED) < meta->total_disks);
1128
1129 /* Request retaste hoping to find spare. */
1130 if (mdi->mdio_incomplete) {
1131 task = malloc(sizeof(struct task),
1132 M_MD_INTEL, M_WAITOK | M_ZERO);
1133 TASK_INIT(task, 0, g_disk_md_intel_retaste, task);
1134 taskqueue_enqueue(taskqueue_swi, task);
1135 }
1136 }
1137
1138 static void
1139 g_raid_md_intel_start(struct g_raid_softc *sc)
1140 {
1141 struct g_raid_md_object *md;
1142 struct g_raid_md_intel_object *mdi;
1143 struct g_raid_md_intel_pervolume *pv;
1144 struct g_raid_md_intel_perdisk *pd;
1145 struct intel_raid_conf *meta;
1146 struct intel_raid_vol *mvol;
1147 struct intel_raid_map *mmap;
1148 struct g_raid_volume *vol;
1149 struct g_raid_subdisk *sd;
1150 struct g_raid_disk *disk;
1151 int i, j, disk_pos;
1152
1153 md = sc->sc_md;
1154 mdi = (struct g_raid_md_intel_object *)md;
1155 meta = mdi->mdio_meta;
1156
1157 /* Create volumes and subdisks. */
1158 for (i = 0; i < meta->total_volumes; i++) {
1159 mvol = intel_get_volume(meta, i);
1160 mmap = intel_get_map(mvol, 0);
1161 vol = g_raid_create_volume(sc, mvol->name, mvol->tid - 1);
1162 pv = malloc(sizeof(*pv), M_MD_INTEL, M_WAITOK | M_ZERO);
1163 pv->pv_volume_pos = i;
1164 pv->pv_cng = (mvol->state & INTEL_ST_CLONE_N_GO) != 0;
1165 pv->pv_cng_man_sync = (mvol->state & INTEL_ST_CLONE_MAN_SYNC) != 0;
1166 if (mvol->cng_master_disk < mmap->total_disks)
1167 pv->pv_cng_master_disk = mvol->cng_master_disk;
1168 vol->v_md_data = pv;
1169 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE;
1170 if (mmap->type == INTEL_T_RAID0)
1171 vol->v_raid_level = G_RAID_VOLUME_RL_RAID0;
1172 else if (mmap->type == INTEL_T_RAID1 &&
1173 mmap->total_domains >= 2 &&
1174 mmap->total_domains <= mmap->total_disks) {
1175 /* Assume total_domains is correct. */
1176 if (mmap->total_domains == mmap->total_disks)
1177 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
1178 else
1179 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
1180 } else if (mmap->type == INTEL_T_RAID1) {
1181 /* total_domains looks wrong. */
1182 if (mmap->total_disks <= 2)
1183 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
1184 else
1185 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
1186 } else if (mmap->type == INTEL_T_RAID5) {
1187 vol->v_raid_level = G_RAID_VOLUME_RL_RAID5;
1188 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_R5LA;
1189 } else
1190 vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN;
1191 vol->v_strip_size = (u_int)mmap->strip_sectors * 512; //ZZZ
1192 vol->v_disks_count = mmap->total_disks;
1193 vol->v_mediasize = (off_t)mvol->total_sectors * 512; //ZZZ
1194 vol->v_sectorsize = 512; //ZZZ
1195 for (j = 0; j < vol->v_disks_count; j++) {
1196 sd = &vol->v_subdisks[j];
1197 sd->sd_offset = intel_get_map_offset(mmap) * 512; //ZZZ
1198 sd->sd_size = intel_get_map_disk_sectors(mmap) * 512; //ZZZ
1199 }
1200 g_raid_start_volume(vol);
1201 }
1202
1203 /* Create disk placeholders to store data for later writing. */
1204 for (disk_pos = 0; disk_pos < meta->total_disks; disk_pos++) {
1205 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
1206 pd->pd_disk_pos = disk_pos;
1207 pd->pd_disk_meta = meta->disk[disk_pos];
1208 disk = g_raid_create_disk(sc);
1209 disk->d_md_data = (void *)pd;
1210 disk->d_state = G_RAID_DISK_S_OFFLINE;
1211 for (i = 0; i < meta->total_volumes; i++) {
1212 mvol = intel_get_volume(meta, i);
1213 mmap = intel_get_map(mvol, 0);
1214 for (j = 0; j < mmap->total_disks; j++) {
1215 if ((mmap->disk_idx[j] & INTEL_DI_IDX) == disk_pos)
1216 break;
1217 }
1218 if (j == mmap->total_disks)
1219 continue;
1220 vol = g_raid_md_intel_get_volume(sc, i);
1221 sd = &vol->v_subdisks[j];
1222 sd->sd_disk = disk;
1223 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1224 }
1225 }
1226
1227 /* Make all disks found till the moment take their places. */
1228 do {
1229 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1230 if (disk->d_state == G_RAID_DISK_S_NONE) {
1231 g_raid_md_intel_start_disk(disk);
1232 break;
1233 }
1234 }
1235 } while (disk != NULL);
1236
1237 mdi->mdio_started = 1;
1238 G_RAID_DEBUG1(0, sc, "Array started.");
1239 g_raid_md_write_intel(md, NULL, NULL, NULL);
1240
1241 /* Pickup any STALE/SPARE disks to refill array if needed. */
1242 g_raid_md_intel_refill(sc);
1243
1244 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
1245 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1246 G_RAID_EVENT_VOLUME);
1247 }
1248
1249 callout_stop(&mdi->mdio_start_co);
1250 G_RAID_DEBUG1(1, sc, "root_mount_rel %p", mdi->mdio_rootmount);
1251 root_mount_rel(mdi->mdio_rootmount);
1252 mdi->mdio_rootmount = NULL;
1253 }
1254
1255 static void
1256 g_raid_md_intel_new_disk(struct g_raid_disk *disk)
1257 {
1258 struct g_raid_softc *sc;
1259 struct g_raid_md_object *md;
1260 struct g_raid_md_intel_object *mdi;
1261 struct intel_raid_conf *pdmeta;
1262 struct g_raid_md_intel_perdisk *pd;
1263
1264 sc = disk->d_softc;
1265 md = sc->sc_md;
1266 mdi = (struct g_raid_md_intel_object *)md;
1267 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
1268 pdmeta = pd->pd_meta;
1269
1270 if (mdi->mdio_started) {
1271 if (g_raid_md_intel_start_disk(disk))
1272 g_raid_md_write_intel(md, NULL, NULL, NULL);
1273 } else {
1274 /* If we haven't started yet - check metadata freshness. */
1275 if (mdi->mdio_meta == NULL ||
1276 ((int32_t)(pdmeta->generation - mdi->mdio_generation)) > 0) {
1277 G_RAID_DEBUG1(1, sc, "Newer disk");
1278 if (mdi->mdio_meta != NULL)
1279 free(mdi->mdio_meta, M_MD_INTEL);
1280 mdi->mdio_meta = intel_meta_copy(pdmeta);
1281 mdi->mdio_generation = mdi->mdio_meta->generation;
1282 mdi->mdio_disks_present = 1;
1283 } else if (pdmeta->generation == mdi->mdio_generation) {
1284 mdi->mdio_disks_present++;
1285 G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d up)",
1286 mdi->mdio_disks_present,
1287 mdi->mdio_meta->total_disks);
1288 } else {
1289 G_RAID_DEBUG1(1, sc, "Older disk");
1290 }
1291 /* If we collected all needed disks - start array. */
1292 if (mdi->mdio_disks_present == mdi->mdio_meta->total_disks)
1293 g_raid_md_intel_start(sc);
1294 }
1295 }
1296
1297 static void
1298 g_raid_intel_go(void *arg)
1299 {
1300 struct g_raid_softc *sc;
1301 struct g_raid_md_object *md;
1302 struct g_raid_md_intel_object *mdi;
1303
1304 sc = arg;
1305 md = sc->sc_md;
1306 mdi = (struct g_raid_md_intel_object *)md;
1307 if (!mdi->mdio_started) {
1308 G_RAID_DEBUG1(0, sc, "Force array start due to timeout.");
1309 g_raid_event_send(sc, G_RAID_NODE_E_START, 0);
1310 }
1311 }
1312
1313 static int
1314 g_raid_md_create_intel(struct g_raid_md_object *md, struct g_class *mp,
1315 struct g_geom **gp)
1316 {
1317 struct g_raid_softc *sc;
1318 struct g_raid_md_intel_object *mdi;
1319 char name[16];
1320
1321 mdi = (struct g_raid_md_intel_object *)md;
1322 mdi->mdio_config_id = mdi->mdio_orig_config_id = arc4random();
1323 mdi->mdio_generation = 0;
1324 snprintf(name, sizeof(name), "Intel-%08x", mdi->mdio_config_id);
1325 sc = g_raid_create_node(mp, name, md);
1326 if (sc == NULL)
1327 return (G_RAID_MD_TASTE_FAIL);
1328 md->mdo_softc = sc;
1329 *gp = sc->sc_geom;
1330 return (G_RAID_MD_TASTE_NEW);
1331 }
1332
1333 /*
1334 * Return the last N characters of the serial label. The Linux and
1335 * ataraid(7) code always uses the last 16 characters of the label to
1336 * store into the Intel meta format. Generalize this to N characters
1337 * since that's easy. Labels can be up to 20 characters for SATA drives
1338 * and up 251 characters for SAS drives. Since intel controllers don't
1339 * support SAS drives, just stick with the SATA limits for stack friendliness.
1340 */
1341 static int
1342 g_raid_md_get_label(struct g_consumer *cp, char *serial, int serlen)
1343 {
1344 char serial_buffer[24];
1345 int len, error;
1346
1347 len = sizeof(serial_buffer);
1348 error = g_io_getattr("GEOM::ident", cp, &len, serial_buffer);
1349 if (error != 0)
1350 return (error);
1351 len = strlen(serial_buffer);
1352 if (len > serlen)
1353 len -= serlen;
1354 else
1355 len = 0;
1356 strncpy(serial, serial_buffer + len, serlen);
1357 return (0);
1358 }
1359
1360 static int
1361 g_raid_md_taste_intel(struct g_raid_md_object *md, struct g_class *mp,
1362 struct g_consumer *cp, struct g_geom **gp)
1363 {
1364 struct g_consumer *rcp;
1365 struct g_provider *pp;
1366 struct g_raid_md_intel_object *mdi, *mdi1;
1367 struct g_raid_softc *sc;
1368 struct g_raid_disk *disk;
1369 struct intel_raid_conf *meta;
1370 struct g_raid_md_intel_perdisk *pd;
1371 struct g_geom *geom;
1372 int error, disk_pos, result, spare, len;
1373 char serial[INTEL_SERIAL_LEN];
1374 char name[16];
1375 uint16_t vendor;
1376
1377 G_RAID_DEBUG(1, "Tasting Intel on %s", cp->provider->name);
1378 mdi = (struct g_raid_md_intel_object *)md;
1379 pp = cp->provider;
1380
1381 /* Read metadata from device. */
1382 meta = NULL;
1383 vendor = 0xffff;
1384 disk_pos = 0;
1385 if (g_access(cp, 1, 0, 0) != 0)
1386 return (G_RAID_MD_TASTE_FAIL);
1387 g_topology_unlock();
1388 error = g_raid_md_get_label(cp, serial, sizeof(serial));
1389 if (error != 0) {
1390 G_RAID_DEBUG(1, "Cannot get serial number from %s (error=%d).",
1391 pp->name, error);
1392 goto fail2;
1393 }
1394 len = 2;
1395 if (pp->geom->rank == 1)
1396 g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor);
1397 meta = intel_meta_read(cp);
1398 g_topology_lock();
1399 g_access(cp, -1, 0, 0);
1400 if (meta == NULL) {
1401 if (g_raid_aggressive_spare) {
1402 if (vendor != 0x8086) {
1403 G_RAID_DEBUG(1,
1404 "Intel vendor mismatch 0x%04x != 0x8086",
1405 vendor);
1406 } else {
1407 G_RAID_DEBUG(1,
1408 "No Intel metadata, forcing spare.");
1409 spare = 2;
1410 goto search;
1411 }
1412 }
1413 return (G_RAID_MD_TASTE_FAIL);
1414 }
1415
1416 /* Check this disk position in obtained metadata. */
1417 disk_pos = intel_meta_find_disk(meta, serial);
1418 if (disk_pos < 0) {
1419 G_RAID_DEBUG(1, "Intel serial '%s' not found", serial);
1420 goto fail1;
1421 }
1422 if (intel_get_disk_sectors(&meta->disk[disk_pos]) !=
1423 (pp->mediasize / pp->sectorsize)) {
1424 G_RAID_DEBUG(1, "Intel size mismatch %ju != %ju",
1425 intel_get_disk_sectors(&meta->disk[disk_pos]),
1426 (off_t)(pp->mediasize / pp->sectorsize));
1427 goto fail1;
1428 }
1429
1430 G_RAID_DEBUG(1, "Intel disk position %d", disk_pos);
1431 spare = meta->disk[disk_pos].flags & INTEL_F_SPARE;
1432
1433 search:
1434 /* Search for matching node. */
1435 sc = NULL;
1436 mdi1 = NULL;
1437 LIST_FOREACH(geom, &mp->geom, geom) {
1438 sc = geom->softc;
1439 if (sc == NULL)
1440 continue;
1441 if (sc->sc_stopping != 0)
1442 continue;
1443 if (sc->sc_md->mdo_class != md->mdo_class)
1444 continue;
1445 mdi1 = (struct g_raid_md_intel_object *)sc->sc_md;
1446 if (spare) {
1447 if (mdi1->mdio_incomplete)
1448 break;
1449 } else {
1450 if (mdi1->mdio_config_id == meta->config_id)
1451 break;
1452 }
1453 }
1454
1455 /* Found matching node. */
1456 if (geom != NULL) {
1457 G_RAID_DEBUG(1, "Found matching array %s", sc->sc_name);
1458 result = G_RAID_MD_TASTE_EXISTING;
1459
1460 } else if (spare) { /* Not found needy node -- left for later. */
1461 G_RAID_DEBUG(1, "Spare is not needed at this time");
1462 goto fail1;
1463
1464 } else { /* Not found matching node -- create one. */
1465 result = G_RAID_MD_TASTE_NEW;
1466 mdi->mdio_config_id = meta->config_id;
1467 mdi->mdio_orig_config_id = meta->orig_config_id;
1468 snprintf(name, sizeof(name), "Intel-%08x", meta->config_id);
1469 sc = g_raid_create_node(mp, name, md);
1470 md->mdo_softc = sc;
1471 geom = sc->sc_geom;
1472 callout_init(&mdi->mdio_start_co, 1);
1473 callout_reset(&mdi->mdio_start_co, g_raid_start_timeout * hz,
1474 g_raid_intel_go, sc);
1475 mdi->mdio_rootmount = root_mount_hold("GRAID-Intel");
1476 G_RAID_DEBUG1(1, sc, "root_mount_hold %p", mdi->mdio_rootmount);
1477 }
1478
1479 rcp = g_new_consumer(geom);
1480 g_attach(rcp, pp);
1481 if (g_access(rcp, 1, 1, 1) != 0)
1482 ; //goto fail1;
1483
1484 g_topology_unlock();
1485 sx_xlock(&sc->sc_lock);
1486
1487 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
1488 pd->pd_meta = meta;
1489 pd->pd_disk_pos = -1;
1490 if (spare == 2) {
1491 memcpy(&pd->pd_disk_meta.serial[0], serial, INTEL_SERIAL_LEN);
1492 intel_set_disk_sectors(&pd->pd_disk_meta,
1493 pp->mediasize / pp->sectorsize);
1494 pd->pd_disk_meta.id = 0;
1495 pd->pd_disk_meta.flags = INTEL_F_SPARE;
1496 } else {
1497 pd->pd_disk_meta = meta->disk[disk_pos];
1498 }
1499 disk = g_raid_create_disk(sc);
1500 disk->d_md_data = (void *)pd;
1501 disk->d_consumer = rcp;
1502 rcp->private = disk;
1503
1504 g_raid_get_disk_info(disk);
1505
1506 g_raid_md_intel_new_disk(disk);
1507
1508 sx_xunlock(&sc->sc_lock);
1509 g_topology_lock();
1510 *gp = geom;
1511 return (result);
1512 fail2:
1513 g_topology_lock();
1514 g_access(cp, -1, 0, 0);
1515 fail1:
1516 free(meta, M_MD_INTEL);
1517 return (G_RAID_MD_TASTE_FAIL);
1518 }
1519
1520 static int
1521 g_raid_md_event_intel(struct g_raid_md_object *md,
1522 struct g_raid_disk *disk, u_int event)
1523 {
1524 struct g_raid_softc *sc;
1525 struct g_raid_subdisk *sd;
1526 struct g_raid_md_intel_object *mdi;
1527 struct g_raid_md_intel_perdisk *pd;
1528
1529 sc = md->mdo_softc;
1530 mdi = (struct g_raid_md_intel_object *)md;
1531 if (disk == NULL) {
1532 switch (event) {
1533 case G_RAID_NODE_E_START:
1534 if (!mdi->mdio_started)
1535 g_raid_md_intel_start(sc);
1536 return (0);
1537 }
1538 return (-1);
1539 }
1540 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
1541 switch (event) {
1542 case G_RAID_DISK_E_DISCONNECTED:
1543 /* If disk was assigned, just update statuses. */
1544 if (pd->pd_disk_pos >= 0) {
1545 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1546 if (disk->d_consumer) {
1547 g_raid_kill_consumer(sc, disk->d_consumer);
1548 disk->d_consumer = NULL;
1549 }
1550 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
1551 g_raid_change_subdisk_state(sd,
1552 G_RAID_SUBDISK_S_NONE);
1553 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
1554 G_RAID_EVENT_SUBDISK);
1555 }
1556 } else {
1557 /* Otherwise -- delete. */
1558 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
1559 g_raid_destroy_disk(disk);
1560 }
1561
1562 /* Write updated metadata to all disks. */
1563 g_raid_md_write_intel(md, NULL, NULL, NULL);
1564
1565 /* Check if anything left except placeholders. */
1566 if (g_raid_ndisks(sc, -1) ==
1567 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1568 g_raid_destroy_node(sc, 0);
1569 else
1570 g_raid_md_intel_refill(sc);
1571 return (0);
1572 }
1573 return (-2);
1574 }
1575
1576 static int
1577 g_raid_md_ctl_intel(struct g_raid_md_object *md,
1578 struct gctl_req *req)
1579 {
1580 struct g_raid_softc *sc;
1581 struct g_raid_volume *vol, *vol1;
1582 struct g_raid_subdisk *sd;
1583 struct g_raid_disk *disk;
1584 struct g_raid_md_intel_object *mdi;
1585 struct g_raid_md_intel_pervolume *pv;
1586 struct g_raid_md_intel_perdisk *pd;
1587 struct g_consumer *cp;
1588 struct g_provider *pp;
1589 char arg[16], serial[INTEL_SERIAL_LEN];
1590 const char *nodename, *verb, *volname, *levelname, *diskname;
1591 char *tmp;
1592 int *nargs, *force;
1593 off_t off, size, sectorsize, strip, disk_sectors;
1594 intmax_t *sizearg, *striparg;
1595 int numdisks, i, len, level, qual, update;
1596 int error;
1597
1598 sc = md->mdo_softc;
1599 mdi = (struct g_raid_md_intel_object *)md;
1600 verb = gctl_get_param(req, "verb", NULL);
1601 nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
1602 error = 0;
1603 if (strcmp(verb, "label") == 0) {
1604
1605 if (*nargs < 4) {
1606 gctl_error(req, "Invalid number of arguments.");
1607 return (-1);
1608 }
1609 volname = gctl_get_asciiparam(req, "arg1");
1610 if (volname == NULL) {
1611 gctl_error(req, "No volume name.");
1612 return (-2);
1613 }
1614 levelname = gctl_get_asciiparam(req, "arg2");
1615 if (levelname == NULL) {
1616 gctl_error(req, "No RAID level.");
1617 return (-3);
1618 }
1619 if (strcasecmp(levelname, "RAID5") == 0)
1620 levelname = "RAID5-LA";
1621 if (g_raid_volume_str2level(levelname, &level, &qual)) {
1622 gctl_error(req, "Unknown RAID level '%s'.", levelname);
1623 return (-4);
1624 }
1625 numdisks = *nargs - 3;
1626 force = gctl_get_paraml(req, "force", sizeof(*force));
1627 if (!g_raid_md_intel_supported(level, qual, numdisks,
1628 force ? *force : 0)) {
1629 gctl_error(req, "Unsupported RAID level "
1630 "(0x%02x/0x%02x), or number of disks (%d).",
1631 level, qual, numdisks);
1632 return (-5);
1633 }
1634
1635 /* Search for disks, connect them and probe. */
1636 size = 0x7fffffffffffffffllu;
1637 sectorsize = 0;
1638 for (i = 0; i < numdisks; i++) {
1639 snprintf(arg, sizeof(arg), "arg%d", i + 3);
1640 diskname = gctl_get_asciiparam(req, arg);
1641 if (diskname == NULL) {
1642 gctl_error(req, "No disk name (%s).", arg);
1643 error = -6;
1644 break;
1645 }
1646 if (strcmp(diskname, "NONE") == 0) {
1647 cp = NULL;
1648 pp = NULL;
1649 } else {
1650 g_topology_lock();
1651 cp = g_raid_open_consumer(sc, diskname);
1652 if (cp == NULL) {
1653 gctl_error(req, "Can't open disk '%s'.",
1654 diskname);
1655 g_topology_unlock();
1656 error = -7;
1657 break;
1658 }
1659 pp = cp->provider;
1660 }
1661 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
1662 pd->pd_disk_pos = i;
1663 disk = g_raid_create_disk(sc);
1664 disk->d_md_data = (void *)pd;
1665 disk->d_consumer = cp;
1666 if (cp == NULL) {
1667 strcpy(&pd->pd_disk_meta.serial[0], "NONE");
1668 pd->pd_disk_meta.id = 0xffffffff;
1669 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED;
1670 continue;
1671 }
1672 cp->private = disk;
1673 g_topology_unlock();
1674
1675 error = g_raid_md_get_label(cp,
1676 &pd->pd_disk_meta.serial[0], INTEL_SERIAL_LEN);
1677 if (error != 0) {
1678 gctl_error(req,
1679 "Can't get serial for provider '%s'.",
1680 diskname);
1681 error = -8;
1682 break;
1683 }
1684
1685 g_raid_get_disk_info(disk);
1686
1687 intel_set_disk_sectors(&pd->pd_disk_meta,
1688 pp->mediasize / pp->sectorsize);
1689 if (size > pp->mediasize)
1690 size = pp->mediasize;
1691 if (sectorsize < pp->sectorsize)
1692 sectorsize = pp->sectorsize;
1693 pd->pd_disk_meta.id = 0;
1694 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED | INTEL_F_ONLINE;
1695 }
1696 if (error != 0)
1697 return (error);
1698
1699 if (sectorsize <= 0) {
1700 gctl_error(req, "Can't get sector size.");
1701 return (-8);
1702 }
1703
1704 /* Reserve some space for metadata. */
1705 size -= ((4096 + sectorsize - 1) / sectorsize) * sectorsize;
1706
1707 /* Handle size argument. */
1708 len = sizeof(*sizearg);
1709 sizearg = gctl_get_param(req, "size", &len);
1710 if (sizearg != NULL && len == sizeof(*sizearg) &&
1711 *sizearg > 0) {
1712 if (*sizearg > size) {
1713 gctl_error(req, "Size too big %lld > %lld.",
1714 (long long)*sizearg, (long long)size);
1715 return (-9);
1716 }
1717 size = *sizearg;
1718 }
1719
1720 /* Handle strip argument. */
1721 strip = 131072;
1722 len = sizeof(*striparg);
1723 striparg = gctl_get_param(req, "strip", &len);
1724 if (striparg != NULL && len == sizeof(*striparg) &&
1725 *striparg > 0) {
1726 if (*striparg < sectorsize) {
1727 gctl_error(req, "Strip size too small.");
1728 return (-10);
1729 }
1730 if (*striparg % sectorsize != 0) {
1731 gctl_error(req, "Incorrect strip size.");
1732 return (-11);
1733 }
1734 if (strip > 65535 * sectorsize) {
1735 gctl_error(req, "Strip size too big.");
1736 return (-12);
1737 }
1738 strip = *striparg;
1739 }
1740
1741 /* Round size down to strip or sector. */
1742 if (level == G_RAID_VOLUME_RL_RAID1)
1743 size -= (size % sectorsize);
1744 else if (level == G_RAID_VOLUME_RL_RAID1E &&
1745 (numdisks & 1) != 0)
1746 size -= (size % (2 * strip));
1747 else
1748 size -= (size % strip);
1749 if (size <= 0) {
1750 gctl_error(req, "Size too small.");
1751 return (-13);
1752 }
1753
1754 /* We have all we need, create things: volume, ... */
1755 mdi->mdio_started = 1;
1756 vol = g_raid_create_volume(sc, volname, -1);
1757 pv = malloc(sizeof(*pv), M_MD_INTEL, M_WAITOK | M_ZERO);
1758 pv->pv_volume_pos = 0;
1759 vol->v_md_data = pv;
1760 vol->v_raid_level = level;
1761 vol->v_raid_level_qualifier = qual;
1762 vol->v_strip_size = strip;
1763 vol->v_disks_count = numdisks;
1764 if (level == G_RAID_VOLUME_RL_RAID0)
1765 vol->v_mediasize = size * numdisks;
1766 else if (level == G_RAID_VOLUME_RL_RAID1)
1767 vol->v_mediasize = size;
1768 else if (level == G_RAID_VOLUME_RL_RAID5)
1769 vol->v_mediasize = size * (numdisks - 1);
1770 else { /* RAID1E */
1771 vol->v_mediasize = ((size * numdisks) / strip / 2) *
1772 strip;
1773 }
1774 vol->v_sectorsize = sectorsize;
1775 g_raid_start_volume(vol);
1776
1777 /* , and subdisks. */
1778 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1779 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
1780 sd = &vol->v_subdisks[pd->pd_disk_pos];
1781 sd->sd_disk = disk;
1782 sd->sd_offset = 0;
1783 sd->sd_size = size;
1784 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1785 if (sd->sd_disk->d_consumer != NULL) {
1786 g_raid_change_disk_state(disk,
1787 G_RAID_DISK_S_ACTIVE);
1788 if (level == G_RAID_VOLUME_RL_RAID5)
1789 g_raid_change_subdisk_state(sd,
1790 G_RAID_SUBDISK_S_UNINITIALIZED);
1791 else
1792 g_raid_change_subdisk_state(sd,
1793 G_RAID_SUBDISK_S_ACTIVE);
1794 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
1795 G_RAID_EVENT_SUBDISK);
1796 } else {
1797 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1798 }
1799 }
1800
1801 /* Write metadata based on created entities. */
1802 G_RAID_DEBUG1(0, sc, "Array started.");
1803 g_raid_md_write_intel(md, NULL, NULL, NULL);
1804
1805 /* Pickup any STALE/SPARE disks to refill array if needed. */
1806 g_raid_md_intel_refill(sc);
1807
1808 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1809 G_RAID_EVENT_VOLUME);
1810 return (0);
1811 }
1812 if (strcmp(verb, "add") == 0) {
1813
1814 if (*nargs != 3) {
1815 gctl_error(req, "Invalid number of arguments.");
1816 return (-1);
1817 }
1818 volname = gctl_get_asciiparam(req, "arg1");
1819 if (volname == NULL) {
1820 gctl_error(req, "No volume name.");
1821 return (-2);
1822 }
1823 levelname = gctl_get_asciiparam(req, "arg2");
1824 if (levelname == NULL) {
1825 gctl_error(req, "No RAID level.");
1826 return (-3);
1827 }
1828 if (strcasecmp(levelname, "RAID5") == 0)
1829 levelname = "RAID5-LA";
1830 if (g_raid_volume_str2level(levelname, &level, &qual)) {
1831 gctl_error(req, "Unknown RAID level '%s'.", levelname);
1832 return (-4);
1833 }
1834
1835 /* Look for existing volumes. */
1836 i = 0;
1837 vol1 = NULL;
1838 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
1839 vol1 = vol;
1840 i++;
1841 }
1842 if (i > 1) {
1843 gctl_error(req, "Maximum two volumes supported.");
1844 return (-6);
1845 }
1846 if (vol1 == NULL) {
1847 gctl_error(req, "At least one volume must exist.");
1848 return (-7);
1849 }
1850
1851 numdisks = vol1->v_disks_count;
1852 force = gctl_get_paraml(req, "force", sizeof(*force));
1853 if (!g_raid_md_intel_supported(level, qual, numdisks,
1854 force ? *force : 0)) {
1855 gctl_error(req, "Unsupported RAID level "
1856 "(0x%02x/0x%02x), or number of disks (%d).",
1857 level, qual, numdisks);
1858 return (-5);
1859 }
1860
1861 /* Collect info about present disks. */
1862 size = 0x7fffffffffffffffllu;
1863 sectorsize = 512;
1864 for (i = 0; i < numdisks; i++) {
1865 disk = vol1->v_subdisks[i].sd_disk;
1866 pd = (struct g_raid_md_intel_perdisk *)
1867 disk->d_md_data;
1868 disk_sectors =
1869 intel_get_disk_sectors(&pd->pd_disk_meta);
1870
1871 if (disk_sectors * 512 < size)
1872 size = disk_sectors * 512;
1873 if (disk->d_consumer != NULL &&
1874 disk->d_consumer->provider != NULL &&
1875 disk->d_consumer->provider->sectorsize >
1876 sectorsize) {
1877 sectorsize =
1878 disk->d_consumer->provider->sectorsize;
1879 }
1880 }
1881
1882 /* Reserve some space for metadata. */
1883 size -= ((4096 + sectorsize - 1) / sectorsize) * sectorsize;
1884
1885 /* Decide insert before or after. */
1886 sd = &vol1->v_subdisks[0];
1887 if (sd->sd_offset >
1888 size - (sd->sd_offset + sd->sd_size)) {
1889 off = 0;
1890 size = sd->sd_offset;
1891 } else {
1892 off = sd->sd_offset + sd->sd_size;
1893 size = size - (sd->sd_offset + sd->sd_size);
1894 }
1895
1896 /* Handle strip argument. */
1897 strip = 131072;
1898 len = sizeof(*striparg);
1899 striparg = gctl_get_param(req, "strip", &len);
1900 if (striparg != NULL && len == sizeof(*striparg) &&
1901 *striparg > 0) {
1902 if (*striparg < sectorsize) {
1903 gctl_error(req, "Strip size too small.");
1904 return (-10);
1905 }
1906 if (*striparg % sectorsize != 0) {
1907 gctl_error(req, "Incorrect strip size.");
1908 return (-11);
1909 }
1910 if (strip > 65535 * sectorsize) {
1911 gctl_error(req, "Strip size too big.");
1912 return (-12);
1913 }
1914 strip = *striparg;
1915 }
1916
1917 /* Round offset up to strip. */
1918 if (off % strip != 0) {
1919 size -= strip - off % strip;
1920 off += strip - off % strip;
1921 }
1922
1923 /* Handle size argument. */
1924 len = sizeof(*sizearg);
1925 sizearg = gctl_get_param(req, "size", &len);
1926 if (sizearg != NULL && len == sizeof(*sizearg) &&
1927 *sizearg > 0) {
1928 if (*sizearg > size) {
1929 gctl_error(req, "Size too big %lld > %lld.",
1930 (long long)*sizearg, (long long)size);
1931 return (-9);
1932 }
1933 size = *sizearg;
1934 }
1935
1936 /* Round size down to strip or sector. */
1937 if (level == G_RAID_VOLUME_RL_RAID1)
1938 size -= (size % sectorsize);
1939 else
1940 size -= (size % strip);
1941 if (size <= 0) {
1942 gctl_error(req, "Size too small.");
1943 return (-13);
1944 }
1945 if (size > 0xffffffffllu * sectorsize) {
1946 gctl_error(req, "Size too big.");
1947 return (-14);
1948 }
1949
1950 /* We have all we need, create things: volume, ... */
1951 vol = g_raid_create_volume(sc, volname, -1);
1952 pv = malloc(sizeof(*pv), M_MD_INTEL, M_WAITOK | M_ZERO);
1953 pv->pv_volume_pos = i;
1954 vol->v_md_data = pv;
1955 vol->v_raid_level = level;
1956 vol->v_raid_level_qualifier = qual;
1957 vol->v_strip_size = strip;
1958 vol->v_disks_count = numdisks;
1959 if (level == G_RAID_VOLUME_RL_RAID0)
1960 vol->v_mediasize = size * numdisks;
1961 else if (level == G_RAID_VOLUME_RL_RAID1)
1962 vol->v_mediasize = size;
1963 else if (level == G_RAID_VOLUME_RL_RAID5)
1964 vol->v_mediasize = size * (numdisks - 1);
1965 else { /* RAID1E */
1966 vol->v_mediasize = ((size * numdisks) / strip / 2) *
1967 strip;
1968 }
1969 vol->v_sectorsize = sectorsize;
1970 g_raid_start_volume(vol);
1971
1972 /* , and subdisks. */
1973 for (i = 0; i < numdisks; i++) {
1974 disk = vol1->v_subdisks[i].sd_disk;
1975 sd = &vol->v_subdisks[i];
1976 sd->sd_disk = disk;
1977 sd->sd_offset = off;
1978 sd->sd_size = size;
1979 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1980 if (disk->d_state == G_RAID_DISK_S_ACTIVE) {
1981 if (level == G_RAID_VOLUME_RL_RAID5)
1982 g_raid_change_subdisk_state(sd,
1983 G_RAID_SUBDISK_S_UNINITIALIZED);
1984 else
1985 g_raid_change_subdisk_state(sd,
1986 G_RAID_SUBDISK_S_ACTIVE);
1987 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
1988 G_RAID_EVENT_SUBDISK);
1989 }
1990 }
1991
1992 /* Write metadata based on created entities. */
1993 g_raid_md_write_intel(md, NULL, NULL, NULL);
1994
1995 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1996 G_RAID_EVENT_VOLUME);
1997 return (0);
1998 }
1999 if (strcmp(verb, "delete") == 0) {
2000
2001 nodename = gctl_get_asciiparam(req, "arg0");
2002 if (nodename != NULL && strcasecmp(sc->sc_name, nodename) != 0)
2003 nodename = NULL;
2004
2005 /* Full node destruction. */
2006 if (*nargs == 1 && nodename != NULL) {
2007 /* Check if some volume is still open. */
2008 force = gctl_get_paraml(req, "force", sizeof(*force));
2009 if (force != NULL && *force == 0 &&
2010 g_raid_nopens(sc) != 0) {
2011 gctl_error(req, "Some volume is still open.");
2012 return (-4);
2013 }
2014
2015 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2016 if (disk->d_consumer)
2017 intel_meta_erase(disk->d_consumer);
2018 }
2019 g_raid_destroy_node(sc, 0);
2020 return (0);
2021 }
2022
2023 /* Destroy specified volume. If it was last - all node. */
2024 if (*nargs > 2) {
2025 gctl_error(req, "Invalid number of arguments.");
2026 return (-1);
2027 }
2028 volname = gctl_get_asciiparam(req,
2029 nodename != NULL ? "arg1" : "arg0");
2030 if (volname == NULL) {
2031 gctl_error(req, "No volume name.");
2032 return (-2);
2033 }
2034
2035 /* Search for volume. */
2036 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
2037 if (strcmp(vol->v_name, volname) == 0)
2038 break;
2039 pp = vol->v_provider;
2040 if (pp == NULL)
2041 continue;
2042 if (strcmp(pp->name, volname) == 0)
2043 break;
2044 if (strncmp(pp->name, "raid/", 5) == 0 &&
2045 strcmp(pp->name + 5, volname) == 0)
2046 break;
2047 }
2048 if (vol == NULL) {
2049 i = strtol(volname, &tmp, 10);
2050 if (verb != volname && tmp[0] == 0) {
2051 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
2052 if (vol->v_global_id == i)
2053 break;
2054 }
2055 }
2056 }
2057 if (vol == NULL) {
2058 gctl_error(req, "Volume '%s' not found.", volname);
2059 return (-3);
2060 }
2061
2062 /* Check if volume is still open. */
2063 force = gctl_get_paraml(req, "force", sizeof(*force));
2064 if (force != NULL && *force == 0 &&
2065 vol->v_provider_open != 0) {
2066 gctl_error(req, "Volume is still open.");
2067 return (-4);
2068 }
2069
2070 /* Destroy volume and potentially node. */
2071 i = 0;
2072 TAILQ_FOREACH(vol1, &sc->sc_volumes, v_next)
2073 i++;
2074 if (i >= 2) {
2075 g_raid_destroy_volume(vol);
2076 g_raid_md_write_intel(md, NULL, NULL, NULL);
2077 } else {
2078 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2079 if (disk->d_consumer)
2080 intel_meta_erase(disk->d_consumer);
2081 }
2082 g_raid_destroy_node(sc, 0);
2083 }
2084 return (0);
2085 }
2086 if (strcmp(verb, "remove") == 0 ||
2087 strcmp(verb, "fail") == 0) {
2088 if (*nargs < 2) {
2089 gctl_error(req, "Invalid number of arguments.");
2090 return (-1);
2091 }
2092 for (i = 1; i < *nargs; i++) {
2093 snprintf(arg, sizeof(arg), "arg%d", i);
2094 diskname = gctl_get_asciiparam(req, arg);
2095 if (diskname == NULL) {
2096 gctl_error(req, "No disk name (%s).", arg);
2097 error = -2;
2098 break;
2099 }
2100 if (strncmp(diskname, "/dev/", 5) == 0)
2101 diskname += 5;
2102
2103 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2104 if (disk->d_consumer != NULL &&
2105 disk->d_consumer->provider != NULL &&
2106 strcmp(disk->d_consumer->provider->name,
2107 diskname) == 0)
2108 break;
2109 }
2110 if (disk == NULL) {
2111 gctl_error(req, "Disk '%s' not found.",
2112 diskname);
2113 error = -3;
2114 break;
2115 }
2116
2117 if (strcmp(verb, "fail") == 0) {
2118 g_raid_md_fail_disk_intel(md, NULL, disk);
2119 continue;
2120 }
2121
2122 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2123
2124 /* Erase metadata on deleting disk. */
2125 intel_meta_erase(disk->d_consumer);
2126
2127 /* If disk was assigned, just update statuses. */
2128 if (pd->pd_disk_pos >= 0) {
2129 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
2130 g_raid_kill_consumer(sc, disk->d_consumer);
2131 disk->d_consumer = NULL;
2132 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
2133 g_raid_change_subdisk_state(sd,
2134 G_RAID_SUBDISK_S_NONE);
2135 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
2136 G_RAID_EVENT_SUBDISK);
2137 }
2138 } else {
2139 /* Otherwise -- delete. */
2140 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
2141 g_raid_destroy_disk(disk);
2142 }
2143 }
2144
2145 /* Write updated metadata to remaining disks. */
2146 g_raid_md_write_intel(md, NULL, NULL, NULL);
2147
2148 /* Check if anything left except placeholders. */
2149 if (g_raid_ndisks(sc, -1) ==
2150 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
2151 g_raid_destroy_node(sc, 0);
2152 else
2153 g_raid_md_intel_refill(sc);
2154 return (error);
2155 }
2156 if (strcmp(verb, "insert") == 0) {
2157 if (*nargs < 2) {
2158 gctl_error(req, "Invalid number of arguments.");
2159 return (-1);
2160 }
2161 update = 0;
2162 for (i = 1; i < *nargs; i++) {
2163 /* Get disk name. */
2164 snprintf(arg, sizeof(arg), "arg%d", i);
2165 diskname = gctl_get_asciiparam(req, arg);
2166 if (diskname == NULL) {
2167 gctl_error(req, "No disk name (%s).", arg);
2168 error = -3;
2169 break;
2170 }
2171
2172 /* Try to find provider with specified name. */
2173 g_topology_lock();
2174 cp = g_raid_open_consumer(sc, diskname);
2175 if (cp == NULL) {
2176 gctl_error(req, "Can't open disk '%s'.",
2177 diskname);
2178 g_topology_unlock();
2179 error = -4;
2180 break;
2181 }
2182 pp = cp->provider;
2183 g_topology_unlock();
2184
2185 /* Read disk serial. */
2186 error = g_raid_md_get_label(cp,
2187 &serial[0], INTEL_SERIAL_LEN);
2188 if (error != 0) {
2189 gctl_error(req,
2190 "Can't get serial for provider '%s'.",
2191 diskname);
2192 g_raid_kill_consumer(sc, cp);
2193 error = -7;
2194 break;
2195 }
2196
2197 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
2198 pd->pd_disk_pos = -1;
2199
2200 disk = g_raid_create_disk(sc);
2201 disk->d_consumer = cp;
2202 disk->d_md_data = (void *)pd;
2203 cp->private = disk;
2204
2205 g_raid_get_disk_info(disk);
2206
2207 memcpy(&pd->pd_disk_meta.serial[0], &serial[0],
2208 INTEL_SERIAL_LEN);
2209 intel_set_disk_sectors(&pd->pd_disk_meta,
2210 pp->mediasize / pp->sectorsize);
2211 pd->pd_disk_meta.id = 0;
2212 pd->pd_disk_meta.flags = INTEL_F_SPARE;
2213
2214 /* Welcome the "new" disk. */
2215 update += g_raid_md_intel_start_disk(disk);
2216 if (disk->d_state == G_RAID_DISK_S_SPARE) {
2217 intel_meta_write_spare(cp, &pd->pd_disk_meta);
2218 g_raid_destroy_disk(disk);
2219 } else if (disk->d_state != G_RAID_DISK_S_ACTIVE) {
2220 gctl_error(req, "Disk '%s' doesn't fit.",
2221 diskname);
2222 g_raid_destroy_disk(disk);
2223 error = -8;
2224 break;
2225 }
2226 }
2227
2228 /* Write new metadata if we changed something. */
2229 if (update)
2230 g_raid_md_write_intel(md, NULL, NULL, NULL);
2231 return (error);
2232 }
2233 return (-100);
2234 }
2235
2236 static int
2237 g_raid_md_write_intel(struct g_raid_md_object *md, struct g_raid_volume *tvol,
2238 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
2239 {
2240 struct g_raid_softc *sc;
2241 struct g_raid_volume *vol;
2242 struct g_raid_subdisk *sd;
2243 struct g_raid_disk *disk;
2244 struct g_raid_md_intel_object *mdi;
2245 struct g_raid_md_intel_pervolume *pv;
2246 struct g_raid_md_intel_perdisk *pd;
2247 struct intel_raid_conf *meta;
2248 struct intel_raid_vol *mvol;
2249 struct intel_raid_map *mmap0, *mmap1;
2250 off_t sectorsize = 512, pos;
2251 const char *version, *cv;
2252 int vi, sdi, numdisks, len, state, stale;
2253
2254 sc = md->mdo_softc;
2255 mdi = (struct g_raid_md_intel_object *)md;
2256
2257 if (sc->sc_stopping == G_RAID_DESTROY_HARD)
2258 return (0);
2259
2260 /* Bump generation. Newly written metadata may differ from previous. */
2261 mdi->mdio_generation++;
2262
2263 /* Count number of disks. */
2264 numdisks = 0;
2265 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2266 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2267 if (pd->pd_disk_pos < 0)
2268 continue;
2269 numdisks++;
2270 if (disk->d_state == G_RAID_DISK_S_ACTIVE) {
2271 pd->pd_disk_meta.flags =
2272 INTEL_F_ONLINE | INTEL_F_ASSIGNED;
2273 } else if (disk->d_state == G_RAID_DISK_S_FAILED) {
2274 pd->pd_disk_meta.flags = INTEL_F_FAILED |
2275 INTEL_F_ASSIGNED;
2276 } else if (disk->d_state == G_RAID_DISK_S_DISABLED) {
2277 pd->pd_disk_meta.flags = INTEL_F_FAILED |
2278 INTEL_F_ASSIGNED | INTEL_F_DISABLED;
2279 } else {
2280 if (!(pd->pd_disk_meta.flags & INTEL_F_DISABLED))
2281 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED;
2282 if (pd->pd_disk_meta.id != 0xffffffff) {
2283 pd->pd_disk_meta.id = 0xffffffff;
2284 len = strlen(pd->pd_disk_meta.serial);
2285 len = min(len, INTEL_SERIAL_LEN - 3);
2286 strcpy(pd->pd_disk_meta.serial + len, ":0");
2287 }
2288 }
2289 }
2290
2291 /* Fill anchor and disks. */
2292 meta = malloc(INTEL_MAX_MD_SIZE(numdisks),
2293 M_MD_INTEL, M_WAITOK | M_ZERO);
2294 memcpy(&meta->intel_id[0], INTEL_MAGIC, sizeof(INTEL_MAGIC) - 1);
2295 meta->config_size = INTEL_MAX_MD_SIZE(numdisks);
2296 meta->config_id = mdi->mdio_config_id;
2297 meta->orig_config_id = mdi->mdio_orig_config_id;
2298 meta->generation = mdi->mdio_generation;
2299 meta->attributes = INTEL_ATTR_CHECKSUM;
2300 meta->total_disks = numdisks;
2301 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2302 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2303 if (pd->pd_disk_pos < 0)
2304 continue;
2305 meta->disk[pd->pd_disk_pos] = pd->pd_disk_meta;
2306 if (pd->pd_disk_meta.sectors_hi != 0)
2307 meta->attributes |= INTEL_ATTR_2TB_DISK;
2308 }
2309
2310 /* Fill volumes and maps. */
2311 vi = 0;
2312 version = INTEL_VERSION_1000;
2313 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
2314 pv = vol->v_md_data;
2315 if (vol->v_stopping)
2316 continue;
2317 mvol = intel_get_volume(meta, vi);
2318
2319 /* New metadata may have different volumes order. */
2320 pv->pv_volume_pos = vi;
2321
2322 for (sdi = 0; sdi < vol->v_disks_count; sdi++) {
2323 sd = &vol->v_subdisks[sdi];
2324 if (sd->sd_disk != NULL)
2325 break;
2326 }
2327 if (sdi >= vol->v_disks_count)
2328 panic("No any filled subdisk in volume");
2329 if (vol->v_mediasize >= 0x20000000000llu)
2330 meta->attributes |= INTEL_ATTR_2TB;
2331 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
2332 meta->attributes |= INTEL_ATTR_RAID0;
2333 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
2334 meta->attributes |= INTEL_ATTR_RAID1;
2335 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5)
2336 meta->attributes |= INTEL_ATTR_RAID5;
2337 else if ((vol->v_disks_count & 1) == 0)
2338 meta->attributes |= INTEL_ATTR_RAID10;
2339 else
2340 meta->attributes |= INTEL_ATTR_RAID1E;
2341 if (pv->pv_cng)
2342 meta->attributes |= INTEL_ATTR_RAIDCNG;
2343 if (vol->v_strip_size > 131072)
2344 meta->attributes |= INTEL_ATTR_EXT_STRIP;
2345
2346 if (pv->pv_cng)
2347 cv = INTEL_VERSION_1206;
2348 else if (vol->v_disks_count > 4)
2349 cv = INTEL_VERSION_1204;
2350 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5)
2351 cv = INTEL_VERSION_1202;
2352 else if (vol->v_disks_count > 2)
2353 cv = INTEL_VERSION_1201;
2354 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
2355 cv = INTEL_VERSION_1100;
2356 else
2357 cv = INTEL_VERSION_1000;
2358 if (strcmp(cv, version) > 0)
2359 version = cv;
2360
2361 strlcpy(&mvol->name[0], vol->v_name, sizeof(mvol->name));
2362 mvol->total_sectors = vol->v_mediasize / sectorsize;
2363 mvol->state = (INTEL_ST_READ_COALESCING |
2364 INTEL_ST_WRITE_COALESCING);
2365 mvol->tid = vol->v_global_id + 1;
2366 if (pv->pv_cng) {
2367 mvol->state |= INTEL_ST_CLONE_N_GO;
2368 if (pv->pv_cng_man_sync)
2369 mvol->state |= INTEL_ST_CLONE_MAN_SYNC;
2370 mvol->cng_master_disk = pv->pv_cng_master_disk;
2371 if (vol->v_subdisks[pv->pv_cng_master_disk].sd_state ==
2372 G_RAID_SUBDISK_S_NONE)
2373 mvol->cng_state = INTEL_CNGST_MASTER_MISSING;
2374 else if (vol->v_state != G_RAID_VOLUME_S_OPTIMAL)
2375 mvol->cng_state = INTEL_CNGST_NEEDS_UPDATE;
2376 else
2377 mvol->cng_state = INTEL_CNGST_UPDATED;
2378 }
2379
2380 /* Check for any recovery in progress. */
2381 state = G_RAID_SUBDISK_S_ACTIVE;
2382 pos = 0x7fffffffffffffffllu;
2383 stale = 0;
2384 for (sdi = 0; sdi < vol->v_disks_count; sdi++) {
2385 sd = &vol->v_subdisks[sdi];
2386 if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD)
2387 state = G_RAID_SUBDISK_S_REBUILD;
2388 else if (sd->sd_state == G_RAID_SUBDISK_S_RESYNC &&
2389 state != G_RAID_SUBDISK_S_REBUILD)
2390 state = G_RAID_SUBDISK_S_RESYNC;
2391 else if (sd->sd_state == G_RAID_SUBDISK_S_STALE)
2392 stale = 1;
2393 if ((sd->sd_state == G_RAID_SUBDISK_S_REBUILD ||
2394 sd->sd_state == G_RAID_SUBDISK_S_RESYNC) &&
2395 sd->sd_rebuild_pos < pos)
2396 pos = sd->sd_rebuild_pos;
2397 }
2398 if (state == G_RAID_SUBDISK_S_REBUILD) {
2399 mvol->migr_state = 1;
2400 mvol->migr_type = INTEL_MT_REBUILD;
2401 } else if (state == G_RAID_SUBDISK_S_RESYNC) {
2402 mvol->migr_state = 1;
2403 /* mvol->migr_type = INTEL_MT_REPAIR; */
2404 mvol->migr_type = INTEL_MT_VERIFY;
2405 mvol->state |= INTEL_ST_VERIFY_AND_FIX;
2406 } else
2407 mvol->migr_state = 0;
2408 mvol->dirty = (vol->v_dirty || stale);
2409
2410 mmap0 = intel_get_map(mvol, 0);
2411
2412 /* Write map / common part of two maps. */
2413 intel_set_map_offset(mmap0, sd->sd_offset / sectorsize);
2414 intel_set_map_disk_sectors(mmap0, sd->sd_size / sectorsize);
2415 mmap0->strip_sectors = vol->v_strip_size / sectorsize;
2416 if (vol->v_state == G_RAID_VOLUME_S_BROKEN)
2417 mmap0->status = INTEL_S_FAILURE;
2418 else if (vol->v_state == G_RAID_VOLUME_S_DEGRADED)
2419 mmap0->status = INTEL_S_DEGRADED;
2420 else if (g_raid_nsubdisks(vol, G_RAID_SUBDISK_S_UNINITIALIZED)
2421 == g_raid_nsubdisks(vol, -1))
2422 mmap0->status = INTEL_S_UNINITIALIZED;
2423 else
2424 mmap0->status = INTEL_S_READY;
2425 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
2426 mmap0->type = INTEL_T_RAID0;
2427 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1 ||
2428 vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
2429 mmap0->type = INTEL_T_RAID1;
2430 else
2431 mmap0->type = INTEL_T_RAID5;
2432 mmap0->total_disks = vol->v_disks_count;
2433 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
2434 mmap0->total_domains = vol->v_disks_count;
2435 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
2436 mmap0->total_domains = 2;
2437 else
2438 mmap0->total_domains = 1;
2439 intel_set_map_stripe_count(mmap0,
2440 sd->sd_size / vol->v_strip_size / mmap0->total_domains);
2441 mmap0->failed_disk_num = 0xff;
2442 mmap0->ddf = 1;
2443
2444 /* If there are two maps - copy common and update. */
2445 if (mvol->migr_state) {
2446 intel_set_vol_curr_migr_unit(mvol,
2447 pos / vol->v_strip_size / mmap0->total_domains);
2448 mmap1 = intel_get_map(mvol, 1);
2449 memcpy(mmap1, mmap0, sizeof(struct intel_raid_map));
2450 mmap0->status = INTEL_S_READY;
2451 } else
2452 mmap1 = NULL;
2453
2454 /* Write disk indexes and put rebuild flags. */
2455 for (sdi = 0; sdi < vol->v_disks_count; sdi++) {
2456 sd = &vol->v_subdisks[sdi];
2457 pd = (struct g_raid_md_intel_perdisk *)
2458 sd->sd_disk->d_md_data;
2459 mmap0->disk_idx[sdi] = pd->pd_disk_pos;
2460 if (mvol->migr_state)
2461 mmap1->disk_idx[sdi] = pd->pd_disk_pos;
2462 if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD ||
2463 sd->sd_state == G_RAID_SUBDISK_S_RESYNC) {
2464 mmap1->disk_idx[sdi] |= INTEL_DI_RBLD;
2465 } else if (sd->sd_state != G_RAID_SUBDISK_S_ACTIVE &&
2466 sd->sd_state != G_RAID_SUBDISK_S_STALE &&
2467 sd->sd_state != G_RAID_SUBDISK_S_UNINITIALIZED) {
2468 mmap0->disk_idx[sdi] |= INTEL_DI_RBLD;
2469 if (mvol->migr_state)
2470 mmap1->disk_idx[sdi] |= INTEL_DI_RBLD;
2471 }
2472 if ((sd->sd_state == G_RAID_SUBDISK_S_NONE ||
2473 sd->sd_state == G_RAID_SUBDISK_S_FAILED ||
2474 sd->sd_state == G_RAID_SUBDISK_S_REBUILD) &&
2475 mmap0->failed_disk_num == 0xff) {
2476 mmap0->failed_disk_num = sdi;
2477 if (mvol->migr_state)
2478 mmap1->failed_disk_num = sdi;
2479 }
2480 }
2481 vi++;
2482 }
2483 meta->total_volumes = vi;
2484 if (vi > 1 || meta->attributes &
2485 (INTEL_ATTR_EXT_STRIP | INTEL_ATTR_2TB_DISK | INTEL_ATTR_2TB))
2486 version = INTEL_VERSION_1300;
2487 if (strcmp(version, INTEL_VERSION_1300) < 0)
2488 meta->attributes &= INTEL_ATTR_CHECKSUM;
2489 memcpy(&meta->version[0], version, sizeof(INTEL_VERSION_1000) - 1);
2490
2491 /* We are done. Print meta data and store them to disks. */
2492 g_raid_md_intel_print(meta);
2493 if (mdi->mdio_meta != NULL)
2494 free(mdi->mdio_meta, M_MD_INTEL);
2495 mdi->mdio_meta = meta;
2496 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2497 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2498 if (disk->d_state != G_RAID_DISK_S_ACTIVE)
2499 continue;
2500 if (pd->pd_meta != NULL) {
2501 free(pd->pd_meta, M_MD_INTEL);
2502 pd->pd_meta = NULL;
2503 }
2504 pd->pd_meta = intel_meta_copy(meta);
2505 intel_meta_write(disk->d_consumer, meta);
2506 }
2507 return (0);
2508 }
2509
2510 static int
2511 g_raid_md_fail_disk_intel(struct g_raid_md_object *md,
2512 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
2513 {
2514 struct g_raid_softc *sc;
2515 struct g_raid_md_intel_object *mdi;
2516 struct g_raid_md_intel_perdisk *pd;
2517 struct g_raid_subdisk *sd;
2518
2519 sc = md->mdo_softc;
2520 mdi = (struct g_raid_md_intel_object *)md;
2521 pd = (struct g_raid_md_intel_perdisk *)tdisk->d_md_data;
2522
2523 /* We can't fail disk that is not a part of array now. */
2524 if (pd->pd_disk_pos < 0)
2525 return (-1);
2526
2527 /*
2528 * Mark disk as failed in metadata and try to write that metadata
2529 * to the disk itself to prevent it's later resurrection as STALE.
2530 */
2531 mdi->mdio_meta->disk[pd->pd_disk_pos].flags = INTEL_F_FAILED;
2532 pd->pd_disk_meta.flags = INTEL_F_FAILED;
2533 g_raid_md_intel_print(mdi->mdio_meta);
2534 if (tdisk->d_consumer)
2535 intel_meta_write(tdisk->d_consumer, mdi->mdio_meta);
2536
2537 /* Change states. */
2538 g_raid_change_disk_state(tdisk, G_RAID_DISK_S_FAILED);
2539 TAILQ_FOREACH(sd, &tdisk->d_subdisks, sd_next) {
2540 g_raid_change_subdisk_state(sd,
2541 G_RAID_SUBDISK_S_FAILED);
2542 g_raid_event_send(sd, G_RAID_SUBDISK_E_FAILED,
2543 G_RAID_EVENT_SUBDISK);
2544 }
2545
2546 /* Write updated metadata to remaining disks. */
2547 g_raid_md_write_intel(md, NULL, NULL, tdisk);
2548
2549 /* Check if anything left except placeholders. */
2550 if (g_raid_ndisks(sc, -1) ==
2551 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
2552 g_raid_destroy_node(sc, 0);
2553 else
2554 g_raid_md_intel_refill(sc);
2555 return (0);
2556 }
2557
2558 static int
2559 g_raid_md_free_disk_intel(struct g_raid_md_object *md,
2560 struct g_raid_disk *disk)
2561 {
2562 struct g_raid_md_intel_perdisk *pd;
2563
2564 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2565 if (pd->pd_meta != NULL) {
2566 free(pd->pd_meta, M_MD_INTEL);
2567 pd->pd_meta = NULL;
2568 }
2569 free(pd, M_MD_INTEL);
2570 disk->d_md_data = NULL;
2571 return (0);
2572 }
2573
2574 static int
2575 g_raid_md_free_volume_intel(struct g_raid_md_object *md,
2576 struct g_raid_volume *vol)
2577 {
2578 struct g_raid_md_intel_pervolume *pv;
2579
2580 pv = (struct g_raid_md_intel_pervolume *)vol->v_md_data;
2581 free(pv, M_MD_INTEL);
2582 vol->v_md_data = NULL;
2583 return (0);
2584 }
2585
2586 static int
2587 g_raid_md_free_intel(struct g_raid_md_object *md)
2588 {
2589 struct g_raid_md_intel_object *mdi;
2590
2591 mdi = (struct g_raid_md_intel_object *)md;
2592 if (!mdi->mdio_started) {
2593 mdi->mdio_started = 0;
2594 callout_stop(&mdi->mdio_start_co);
2595 G_RAID_DEBUG1(1, md->mdo_softc,
2596 "root_mount_rel %p", mdi->mdio_rootmount);
2597 root_mount_rel(mdi->mdio_rootmount);
2598 mdi->mdio_rootmount = NULL;
2599 }
2600 if (mdi->mdio_meta != NULL) {
2601 free(mdi->mdio_meta, M_MD_INTEL);
2602 mdi->mdio_meta = NULL;
2603 }
2604 return (0);
2605 }
2606
2607 G_RAID_MD_DECLARE(intel, "Intel");
Cache object: 38e9a2012a7794a2a6ad6f8cebcbb2e5
|