1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2010 Alexander Motin <[email protected]>
5 * Copyright (c) 2000 - 2008 Søren Schmidt <[email protected]>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 #include <sys/cdefs.h>
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 <sys/disk.h>
43 #include <geom/geom.h>
44 #include <geom/geom_dbg.h>
45 #include "geom/raid/g_raid.h"
46 #include "g_raid_md_if.h"
47
48 static MALLOC_DEFINE(M_MD_INTEL, "md_intel_data", "GEOM_RAID Intel metadata");
49
50 struct intel_raid_map {
51 uint32_t offset;
52 uint32_t disk_sectors;
53 uint32_t stripe_count;
54 uint16_t strip_sectors;
55 uint8_t status;
56 #define INTEL_S_READY 0x00
57 #define INTEL_S_UNINITIALIZED 0x01
58 #define INTEL_S_DEGRADED 0x02
59 #define INTEL_S_FAILURE 0x03
60
61 uint8_t type;
62 #define INTEL_T_RAID0 0x00
63 #define INTEL_T_RAID1 0x01
64 #define INTEL_T_RAID5 0x05
65
66 uint8_t total_disks;
67 uint8_t total_domains;
68 uint8_t failed_disk_num;
69 uint8_t ddf;
70 uint32_t offset_hi;
71 uint32_t disk_sectors_hi;
72 uint32_t stripe_count_hi;
73 uint32_t filler_2[4];
74 uint32_t disk_idx[1]; /* total_disks entries. */
75 #define INTEL_DI_IDX 0x00ffffff
76 #define INTEL_DI_RBLD 0x01000000
77 } __packed;
78
79 struct intel_raid_vol {
80 uint8_t name[16];
81 uint64_t total_sectors __packed;
82 uint32_t state;
83 #define INTEL_ST_BOOTABLE 0x00000001
84 #define INTEL_ST_BOOT_DEVICE 0x00000002
85 #define INTEL_ST_READ_COALESCING 0x00000004
86 #define INTEL_ST_WRITE_COALESCING 0x00000008
87 #define INTEL_ST_LAST_SHUTDOWN_DIRTY 0x00000010
88 #define INTEL_ST_HIDDEN_AT_BOOT 0x00000020
89 #define INTEL_ST_CURRENTLY_HIDDEN 0x00000040
90 #define INTEL_ST_VERIFY_AND_FIX 0x00000080
91 #define INTEL_ST_MAP_STATE_UNINIT 0x00000100
92 #define INTEL_ST_NO_AUTO_RECOVERY 0x00000200
93 #define INTEL_ST_CLONE_N_GO 0x00000400
94 #define INTEL_ST_CLONE_MAN_SYNC 0x00000800
95 #define INTEL_ST_CNG_MASTER_DISK_NUM 0x00001000
96 uint32_t reserved;
97 uint8_t migr_priority;
98 uint8_t num_sub_vols;
99 uint8_t tid;
100 uint8_t cng_master_disk;
101 uint16_t cache_policy;
102 uint8_t cng_state;
103 #define INTEL_CNGST_UPDATED 0
104 #define INTEL_CNGST_NEEDS_UPDATE 1
105 #define INTEL_CNGST_MASTER_MISSING 2
106 uint8_t cng_sub_state;
107 uint32_t filler_0[10];
108
109 uint32_t curr_migr_unit;
110 uint32_t checkpoint_id;
111 uint8_t migr_state;
112 uint8_t migr_type;
113 #define INTEL_MT_INIT 0
114 #define INTEL_MT_REBUILD 1
115 #define INTEL_MT_VERIFY 2
116 #define INTEL_MT_GEN_MIGR 3
117 #define INTEL_MT_STATE_CHANGE 4
118 #define INTEL_MT_REPAIR 5
119 uint8_t dirty;
120 uint8_t fs_state;
121 uint16_t verify_errors;
122 uint16_t bad_blocks;
123 uint32_t curr_migr_unit_hi;
124 uint32_t filler_1[3];
125 struct intel_raid_map map[1]; /* 2 entries if migr_state != 0. */
126 } __packed;
127
128 struct intel_raid_disk {
129 #define INTEL_SERIAL_LEN 16
130 uint8_t serial[INTEL_SERIAL_LEN];
131 uint32_t sectors;
132 uint32_t id;
133 uint32_t flags;
134 #define INTEL_F_SPARE 0x01
135 #define INTEL_F_ASSIGNED 0x02
136 #define INTEL_F_FAILED 0x04
137 #define INTEL_F_ONLINE 0x08
138 #define INTEL_F_DISABLED 0x80
139 uint32_t owner_cfg_num;
140 uint32_t sectors_hi;
141 uint32_t filler[3];
142 } __packed;
143
144 struct intel_raid_conf {
145 uint8_t intel_id[24];
146 #define INTEL_MAGIC "Intel Raid ISM Cfg Sig. "
147
148 uint8_t version[6];
149 #define INTEL_VERSION_1000 "1.0.00" /* RAID0 */
150 #define INTEL_VERSION_1100 "1.1.00" /* RAID1 */
151 #define INTEL_VERSION_1200 "1.2.00" /* Many volumes */
152 #define INTEL_VERSION_1201 "1.2.01" /* 3 or 4 disks */
153 #define INTEL_VERSION_1202 "1.2.02" /* RAID5 */
154 #define INTEL_VERSION_1204 "1.2.04" /* 5 or 6 disks */
155 #define INTEL_VERSION_1206 "1.2.06" /* CNG */
156 #define INTEL_VERSION_1300 "1.3.00" /* Attributes */
157
158 uint8_t dummy_0[2];
159 uint32_t checksum;
160 uint32_t config_size;
161 uint32_t config_id;
162 uint32_t generation;
163 uint32_t error_log_size;
164 uint32_t attributes;
165 #define INTEL_ATTR_RAID0 0x00000001
166 #define INTEL_ATTR_RAID1 0x00000002
167 #define INTEL_ATTR_RAID10 0x00000004
168 #define INTEL_ATTR_RAID1E 0x00000008
169 #define INTEL_ATTR_RAID5 0x00000010
170 #define INTEL_ATTR_RAIDCNG 0x00000020
171 #define INTEL_ATTR_EXT_STRIP 0x00000040
172 #define INTEL_ATTR_NVM_CACHE 0x02000000
173 #define INTEL_ATTR_2TB_DISK 0x04000000
174 #define INTEL_ATTR_BBM 0x08000000
175 #define INTEL_ATTR_NVM_CACHE2 0x10000000
176 #define INTEL_ATTR_2TB 0x20000000
177 #define INTEL_ATTR_PM 0x40000000
178 #define INTEL_ATTR_CHECKSUM 0x80000000
179
180 uint8_t total_disks;
181 uint8_t total_volumes;
182 uint8_t error_log_pos;
183 uint8_t dummy_2[1];
184 uint32_t cache_size;
185 uint32_t orig_config_id;
186 uint32_t pwr_cycle_count;
187 uint32_t bbm_log_size;
188 uint32_t filler_0[35];
189 struct intel_raid_disk disk[1]; /* total_disks entries. */
190 /* Here goes total_volumes of struct intel_raid_vol. */
191 } __packed;
192
193 #define INTEL_ATTR_SUPPORTED ( INTEL_ATTR_RAID0 | INTEL_ATTR_RAID1 | \
194 INTEL_ATTR_RAID10 | INTEL_ATTR_RAID1E | INTEL_ATTR_RAID5 | \
195 INTEL_ATTR_RAIDCNG | INTEL_ATTR_EXT_STRIP | INTEL_ATTR_2TB_DISK | \
196 INTEL_ATTR_2TB | INTEL_ATTR_PM | INTEL_ATTR_CHECKSUM )
197
198 #define INTEL_MAX_MD_SIZE(ndisks) \
199 (sizeof(struct intel_raid_conf) + \
200 sizeof(struct intel_raid_disk) * (ndisks - 1) + \
201 sizeof(struct intel_raid_vol) * 2 + \
202 sizeof(struct intel_raid_map) * 2 + \
203 sizeof(uint32_t) * (ndisks - 1) * 4)
204
205 struct g_raid_md_intel_perdisk {
206 struct intel_raid_conf *pd_meta;
207 int pd_disk_pos;
208 struct intel_raid_disk pd_disk_meta;
209 };
210
211 struct g_raid_md_intel_pervolume {
212 int pv_volume_pos;
213 int pv_cng;
214 int pv_cng_man_sync;
215 int pv_cng_master_disk;
216 };
217
218 struct g_raid_md_intel_object {
219 struct g_raid_md_object mdio_base;
220 uint32_t mdio_config_id;
221 uint32_t mdio_orig_config_id;
222 uint32_t mdio_generation;
223 struct intel_raid_conf *mdio_meta;
224 struct callout mdio_start_co; /* STARTING state timer. */
225 int mdio_disks_present;
226 int mdio_started;
227 int mdio_incomplete;
228 struct root_hold_token *mdio_rootmount; /* Root mount delay token. */
229 };
230
231 static g_raid_md_create_t g_raid_md_create_intel;
232 static g_raid_md_taste_t g_raid_md_taste_intel;
233 static g_raid_md_event_t g_raid_md_event_intel;
234 static g_raid_md_ctl_t g_raid_md_ctl_intel;
235 static g_raid_md_write_t g_raid_md_write_intel;
236 static g_raid_md_fail_disk_t g_raid_md_fail_disk_intel;
237 static g_raid_md_free_disk_t g_raid_md_free_disk_intel;
238 static g_raid_md_free_volume_t g_raid_md_free_volume_intel;
239 static g_raid_md_free_t g_raid_md_free_intel;
240
241 static kobj_method_t g_raid_md_intel_methods[] = {
242 KOBJMETHOD(g_raid_md_create, g_raid_md_create_intel),
243 KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_intel),
244 KOBJMETHOD(g_raid_md_event, g_raid_md_event_intel),
245 KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_intel),
246 KOBJMETHOD(g_raid_md_write, g_raid_md_write_intel),
247 KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_intel),
248 KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_intel),
249 KOBJMETHOD(g_raid_md_free_volume, g_raid_md_free_volume_intel),
250 KOBJMETHOD(g_raid_md_free, g_raid_md_free_intel),
251 { 0, 0 }
252 };
253
254 static struct g_raid_md_class g_raid_md_intel_class = {
255 "Intel",
256 g_raid_md_intel_methods,
257 sizeof(struct g_raid_md_intel_object),
258 .mdc_enable = 1,
259 .mdc_priority = 100
260 };
261
262 static struct intel_raid_map *
intel_get_map(struct intel_raid_vol * mvol,int i)263 intel_get_map(struct intel_raid_vol *mvol, int i)
264 {
265 struct intel_raid_map *mmap;
266
267 if (i > (mvol->migr_state ? 1 : 0))
268 return (NULL);
269 mmap = &mvol->map[0];
270 for (; i > 0; i--) {
271 mmap = (struct intel_raid_map *)
272 &mmap->disk_idx[mmap->total_disks];
273 }
274 return ((struct intel_raid_map *)mmap);
275 }
276
277 static struct intel_raid_vol *
intel_get_volume(struct intel_raid_conf * meta,int i)278 intel_get_volume(struct intel_raid_conf *meta, int i)
279 {
280 struct intel_raid_vol *mvol;
281 struct intel_raid_map *mmap;
282
283 if (i > 1)
284 return (NULL);
285 mvol = (struct intel_raid_vol *)&meta->disk[meta->total_disks];
286 for (; i > 0; i--) {
287 mmap = intel_get_map(mvol, mvol->migr_state ? 1 : 0);
288 mvol = (struct intel_raid_vol *)
289 &mmap->disk_idx[mmap->total_disks];
290 }
291 return (mvol);
292 }
293
294 static off_t
intel_get_map_offset(struct intel_raid_map * mmap)295 intel_get_map_offset(struct intel_raid_map *mmap)
296 {
297 off_t offset = (off_t)mmap->offset_hi << 32;
298
299 offset += mmap->offset;
300 return (offset);
301 }
302
303 static void
intel_set_map_offset(struct intel_raid_map * mmap,off_t offset)304 intel_set_map_offset(struct intel_raid_map *mmap, off_t offset)
305 {
306
307 mmap->offset = offset & 0xffffffff;
308 mmap->offset_hi = offset >> 32;
309 }
310
311 static off_t
intel_get_map_disk_sectors(struct intel_raid_map * mmap)312 intel_get_map_disk_sectors(struct intel_raid_map *mmap)
313 {
314 off_t disk_sectors = (off_t)mmap->disk_sectors_hi << 32;
315
316 disk_sectors += mmap->disk_sectors;
317 return (disk_sectors);
318 }
319
320 static void
intel_set_map_disk_sectors(struct intel_raid_map * mmap,off_t disk_sectors)321 intel_set_map_disk_sectors(struct intel_raid_map *mmap, off_t disk_sectors)
322 {
323
324 mmap->disk_sectors = disk_sectors & 0xffffffff;
325 mmap->disk_sectors_hi = disk_sectors >> 32;
326 }
327
328 static void
intel_set_map_stripe_count(struct intel_raid_map * mmap,off_t stripe_count)329 intel_set_map_stripe_count(struct intel_raid_map *mmap, off_t stripe_count)
330 {
331
332 mmap->stripe_count = stripe_count & 0xffffffff;
333 mmap->stripe_count_hi = stripe_count >> 32;
334 }
335
336 static off_t
intel_get_disk_sectors(struct intel_raid_disk * disk)337 intel_get_disk_sectors(struct intel_raid_disk *disk)
338 {
339 off_t sectors = (off_t)disk->sectors_hi << 32;
340
341 sectors += disk->sectors;
342 return (sectors);
343 }
344
345 static void
intel_set_disk_sectors(struct intel_raid_disk * disk,off_t sectors)346 intel_set_disk_sectors(struct intel_raid_disk *disk, off_t sectors)
347 {
348
349 disk->sectors = sectors & 0xffffffff;
350 disk->sectors_hi = sectors >> 32;
351 }
352
353 static off_t
intel_get_vol_curr_migr_unit(struct intel_raid_vol * vol)354 intel_get_vol_curr_migr_unit(struct intel_raid_vol *vol)
355 {
356 off_t curr_migr_unit = (off_t)vol->curr_migr_unit_hi << 32;
357
358 curr_migr_unit += vol->curr_migr_unit;
359 return (curr_migr_unit);
360 }
361
362 static void
intel_set_vol_curr_migr_unit(struct intel_raid_vol * vol,off_t curr_migr_unit)363 intel_set_vol_curr_migr_unit(struct intel_raid_vol *vol, off_t curr_migr_unit)
364 {
365
366 vol->curr_migr_unit = curr_migr_unit & 0xffffffff;
367 vol->curr_migr_unit_hi = curr_migr_unit >> 32;
368 }
369
370 static char *
intel_status2str(int status)371 intel_status2str(int status)
372 {
373
374 switch (status) {
375 case INTEL_S_READY:
376 return ("READY");
377 case INTEL_S_UNINITIALIZED:
378 return ("UNINITIALIZED");
379 case INTEL_S_DEGRADED:
380 return ("DEGRADED");
381 case INTEL_S_FAILURE:
382 return ("FAILURE");
383 default:
384 return ("UNKNOWN");
385 }
386 }
387
388 static char *
intel_type2str(int type)389 intel_type2str(int type)
390 {
391
392 switch (type) {
393 case INTEL_T_RAID0:
394 return ("RAID0");
395 case INTEL_T_RAID1:
396 return ("RAID1");
397 case INTEL_T_RAID5:
398 return ("RAID5");
399 default:
400 return ("UNKNOWN");
401 }
402 }
403
404 static char *
intel_cngst2str(int cng_state)405 intel_cngst2str(int cng_state)
406 {
407
408 switch (cng_state) {
409 case INTEL_CNGST_UPDATED:
410 return ("UPDATED");
411 case INTEL_CNGST_NEEDS_UPDATE:
412 return ("NEEDS_UPDATE");
413 case INTEL_CNGST_MASTER_MISSING:
414 return ("MASTER_MISSING");
415 default:
416 return ("UNKNOWN");
417 }
418 }
419
420 static char *
intel_mt2str(int type)421 intel_mt2str(int type)
422 {
423
424 switch (type) {
425 case INTEL_MT_INIT:
426 return ("INIT");
427 case INTEL_MT_REBUILD:
428 return ("REBUILD");
429 case INTEL_MT_VERIFY:
430 return ("VERIFY");
431 case INTEL_MT_GEN_MIGR:
432 return ("GEN_MIGR");
433 case INTEL_MT_STATE_CHANGE:
434 return ("STATE_CHANGE");
435 case INTEL_MT_REPAIR:
436 return ("REPAIR");
437 default:
438 return ("UNKNOWN");
439 }
440 }
441
442 static void
g_raid_md_intel_print(struct intel_raid_conf * meta)443 g_raid_md_intel_print(struct intel_raid_conf *meta)
444 {
445 struct intel_raid_vol *mvol;
446 struct intel_raid_map *mmap;
447 int i, j, k;
448
449 if (g_raid_debug < 1)
450 return;
451
452 printf("********* ATA Intel MatrixRAID Metadata *********\n");
453 printf("intel_id <%.24s>\n", meta->intel_id);
454 printf("version <%.6s>\n", meta->version);
455 printf("checksum 0x%08x\n", meta->checksum);
456 printf("config_size 0x%08x\n", meta->config_size);
457 printf("config_id 0x%08x\n", meta->config_id);
458 printf("generation 0x%08x\n", meta->generation);
459 printf("error_log_size %d\n", meta->error_log_size);
460 printf("attributes 0x%b\n", meta->attributes,
461 "\020"
462 "\001RAID0"
463 "\002RAID1"
464 "\003RAID10"
465 "\004RAID1E"
466 "\005RAID15"
467 "\006RAIDCNG"
468 "\007EXT_STRIP"
469 "\032NVM_CACHE"
470 "\0332TB_DISK"
471 "\034BBM"
472 "\035NVM_CACHE"
473 "\0362TB"
474 "\037PM"
475 "\040CHECKSUM");
476 printf("total_disks %u\n", meta->total_disks);
477 printf("total_volumes %u\n", meta->total_volumes);
478 printf("error_log_pos %u\n", meta->error_log_pos);
479 printf("cache_size %u\n", meta->cache_size);
480 printf("orig_config_id 0x%08x\n", meta->orig_config_id);
481 printf("pwr_cycle_count %u\n", meta->pwr_cycle_count);
482 printf("bbm_log_size %u\n", meta->bbm_log_size);
483 printf("Flags: S - Spare, A - Assigned, F - Failed, O - Online, D - Disabled\n");
484 printf("DISK# serial disk_sectors disk_sectors_hi disk_id flags owner\n");
485 for (i = 0; i < meta->total_disks; i++ ) {
486 printf(" %d <%.16s> %u %u 0x%08x 0x%b %08x\n", i,
487 meta->disk[i].serial, meta->disk[i].sectors,
488 meta->disk[i].sectors_hi, meta->disk[i].id,
489 meta->disk[i].flags, "\20\01S\02A\03F\04O\05D",
490 meta->disk[i].owner_cfg_num);
491 }
492 for (i = 0; i < meta->total_volumes; i++) {
493 mvol = intel_get_volume(meta, i);
494 printf(" ****** Volume %d ******\n", i);
495 printf(" name %.16s\n", mvol->name);
496 printf(" total_sectors %ju\n", mvol->total_sectors);
497 printf(" state 0x%b\n", mvol->state,
498 "\020"
499 "\001BOOTABLE"
500 "\002BOOT_DEVICE"
501 "\003READ_COALESCING"
502 "\004WRITE_COALESCING"
503 "\005LAST_SHUTDOWN_DIRTY"
504 "\006HIDDEN_AT_BOOT"
505 "\007CURRENTLY_HIDDEN"
506 "\010VERIFY_AND_FIX"
507 "\011MAP_STATE_UNINIT"
508 "\012NO_AUTO_RECOVERY"
509 "\013CLONE_N_GO"
510 "\014CLONE_MAN_SYNC"
511 "\015CNG_MASTER_DISK_NUM");
512 printf(" reserved %u\n", mvol->reserved);
513 printf(" migr_priority %u\n", mvol->migr_priority);
514 printf(" num_sub_vols %u\n", mvol->num_sub_vols);
515 printf(" tid %u\n", mvol->tid);
516 printf(" cng_master_disk %u\n", mvol->cng_master_disk);
517 printf(" cache_policy %u\n", mvol->cache_policy);
518 printf(" cng_state %u (%s)\n", mvol->cng_state,
519 intel_cngst2str(mvol->cng_state));
520 printf(" cng_sub_state %u\n", mvol->cng_sub_state);
521 printf(" curr_migr_unit %u\n", mvol->curr_migr_unit);
522 printf(" curr_migr_unit_hi %u\n", mvol->curr_migr_unit_hi);
523 printf(" checkpoint_id %u\n", mvol->checkpoint_id);
524 printf(" migr_state %u\n", mvol->migr_state);
525 printf(" migr_type %u (%s)\n", mvol->migr_type,
526 intel_mt2str(mvol->migr_type));
527 printf(" dirty %u\n", mvol->dirty);
528 printf(" fs_state %u\n", mvol->fs_state);
529 printf(" verify_errors %u\n", mvol->verify_errors);
530 printf(" bad_blocks %u\n", mvol->bad_blocks);
531
532 for (j = 0; j < (mvol->migr_state ? 2 : 1); j++) {
533 printf(" *** Map %d ***\n", j);
534 mmap = intel_get_map(mvol, j);
535 printf(" offset %u\n", mmap->offset);
536 printf(" offset_hi %u\n", mmap->offset_hi);
537 printf(" disk_sectors %u\n", mmap->disk_sectors);
538 printf(" disk_sectors_hi %u\n", mmap->disk_sectors_hi);
539 printf(" stripe_count %u\n", mmap->stripe_count);
540 printf(" stripe_count_hi %u\n", mmap->stripe_count_hi);
541 printf(" strip_sectors %u\n", mmap->strip_sectors);
542 printf(" status %u (%s)\n", mmap->status,
543 intel_status2str(mmap->status));
544 printf(" type %u (%s)\n", mmap->type,
545 intel_type2str(mmap->type));
546 printf(" total_disks %u\n", mmap->total_disks);
547 printf(" total_domains %u\n", mmap->total_domains);
548 printf(" failed_disk_num %u\n", mmap->failed_disk_num);
549 printf(" ddf %u\n", mmap->ddf);
550 printf(" disk_idx ");
551 for (k = 0; k < mmap->total_disks; k++)
552 printf(" 0x%08x", mmap->disk_idx[k]);
553 printf("\n");
554 }
555 }
556 printf("=================================================\n");
557 }
558
559 static struct intel_raid_conf *
intel_meta_copy(struct intel_raid_conf * meta)560 intel_meta_copy(struct intel_raid_conf *meta)
561 {
562 struct intel_raid_conf *nmeta;
563
564 nmeta = malloc(meta->config_size, M_MD_INTEL, M_WAITOK);
565 memcpy(nmeta, meta, meta->config_size);
566 return (nmeta);
567 }
568
569 static int
intel_meta_find_disk(struct intel_raid_conf * meta,char * serial)570 intel_meta_find_disk(struct intel_raid_conf *meta, char *serial)
571 {
572 int pos;
573
574 for (pos = 0; pos < meta->total_disks; pos++) {
575 if (strncmp(meta->disk[pos].serial,
576 serial, INTEL_SERIAL_LEN) == 0)
577 return (pos);
578 }
579 return (-1);
580 }
581
582 static struct intel_raid_conf *
intel_meta_read(struct g_consumer * cp)583 intel_meta_read(struct g_consumer *cp)
584 {
585 struct g_provider *pp;
586 struct intel_raid_conf *meta;
587 struct intel_raid_vol *mvol;
588 struct intel_raid_map *mmap, *mmap1;
589 char *buf;
590 int error, i, j, k, left, size;
591 uint32_t checksum, *ptr;
592
593 pp = cp->provider;
594 if (pp->sectorsize < sizeof(*meta))
595 return (NULL);
596 /* Read the anchor sector. */
597 buf = g_read_data(cp,
598 pp->mediasize - pp->sectorsize * 2, pp->sectorsize, &error);
599 if (buf == NULL) {
600 G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).",
601 pp->name, error);
602 return (NULL);
603 }
604 meta = (struct intel_raid_conf *)buf;
605
606 /* Check if this is an Intel RAID struct */
607 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) {
608 G_RAID_DEBUG(1, "Intel signature check failed on %s", pp->name);
609 g_free(buf);
610 return (NULL);
611 }
612 if (meta->config_size > 65536 ||
613 meta->config_size < sizeof(struct intel_raid_conf)) {
614 G_RAID_DEBUG(1, "Intel metadata size looks wrong: %d",
615 meta->config_size);
616 g_free(buf);
617 return (NULL);
618 }
619 size = meta->config_size;
620 meta = malloc(size, M_MD_INTEL, M_WAITOK);
621 memcpy(meta, buf, min(size, pp->sectorsize));
622 g_free(buf);
623
624 /* Read all the rest, if needed. */
625 if (meta->config_size > pp->sectorsize) {
626 left = (meta->config_size - 1) / pp->sectorsize;
627 buf = g_read_data(cp,
628 pp->mediasize - pp->sectorsize * (2 + left),
629 pp->sectorsize * left, &error);
630 if (buf == NULL) {
631 G_RAID_DEBUG(1, "Cannot read remaining metadata"
632 " part from %s (error=%d).",
633 pp->name, error);
634 free(meta, M_MD_INTEL);
635 return (NULL);
636 }
637 memcpy(((char *)meta) + pp->sectorsize, buf,
638 pp->sectorsize * left);
639 g_free(buf);
640 }
641
642 /* Check metadata checksum. */
643 for (checksum = 0, ptr = (uint32_t *)meta, i = 0;
644 i < (meta->config_size / sizeof(uint32_t)); i++) {
645 checksum += *ptr++;
646 }
647 checksum -= meta->checksum;
648 if (checksum != meta->checksum) {
649 G_RAID_DEBUG(1, "Intel checksum check failed on %s", pp->name);
650 free(meta, M_MD_INTEL);
651 return (NULL);
652 }
653
654 /* Validate metadata size. */
655 size = sizeof(struct intel_raid_conf) +
656 sizeof(struct intel_raid_disk) * (meta->total_disks - 1) +
657 sizeof(struct intel_raid_vol) * meta->total_volumes;
658 if (size > meta->config_size) {
659 badsize:
660 G_RAID_DEBUG(1, "Intel metadata size incorrect %d < %d",
661 meta->config_size, size);
662 free(meta, M_MD_INTEL);
663 return (NULL);
664 }
665 for (i = 0; i < meta->total_volumes; i++) {
666 mvol = intel_get_volume(meta, i);
667 mmap = intel_get_map(mvol, 0);
668 size += 4 * (mmap->total_disks - 1);
669 if (size > meta->config_size)
670 goto badsize;
671 if (mvol->migr_state) {
672 size += sizeof(struct intel_raid_map);
673 if (size > meta->config_size)
674 goto badsize;
675 mmap = intel_get_map(mvol, 1);
676 size += 4 * (mmap->total_disks - 1);
677 if (size > meta->config_size)
678 goto badsize;
679 }
680 }
681
682 g_raid_md_intel_print(meta);
683
684 if (strncmp(meta->version, INTEL_VERSION_1300, 6) > 0) {
685 G_RAID_DEBUG(1, "Intel unsupported version: '%.6s'",
686 meta->version);
687 free(meta, M_MD_INTEL);
688 return (NULL);
689 }
690
691 if (strncmp(meta->version, INTEL_VERSION_1300, 6) >= 0 &&
692 (meta->attributes & ~INTEL_ATTR_SUPPORTED) != 0) {
693 G_RAID_DEBUG(1, "Intel unsupported attributes: 0x%08x",
694 meta->attributes & ~INTEL_ATTR_SUPPORTED);
695 free(meta, M_MD_INTEL);
696 return (NULL);
697 }
698
699 /* Validate disk indexes. */
700 for (i = 0; i < meta->total_volumes; i++) {
701 mvol = intel_get_volume(meta, i);
702 for (j = 0; j < (mvol->migr_state ? 2 : 1); j++) {
703 mmap = intel_get_map(mvol, j);
704 for (k = 0; k < mmap->total_disks; k++) {
705 if ((mmap->disk_idx[k] & INTEL_DI_IDX) >
706 meta->total_disks) {
707 G_RAID_DEBUG(1, "Intel metadata disk"
708 " index %d too big (>%d)",
709 mmap->disk_idx[k] & INTEL_DI_IDX,
710 meta->total_disks);
711 free(meta, M_MD_INTEL);
712 return (NULL);
713 }
714 }
715 }
716 }
717
718 /* Validate migration types. */
719 for (i = 0; i < meta->total_volumes; i++) {
720 mvol = intel_get_volume(meta, i);
721 /* Deny unknown migration types. */
722 if (mvol->migr_state &&
723 mvol->migr_type != INTEL_MT_INIT &&
724 mvol->migr_type != INTEL_MT_REBUILD &&
725 mvol->migr_type != INTEL_MT_VERIFY &&
726 mvol->migr_type != INTEL_MT_GEN_MIGR &&
727 mvol->migr_type != INTEL_MT_REPAIR) {
728 G_RAID_DEBUG(1, "Intel metadata has unsupported"
729 " migration type %d", mvol->migr_type);
730 free(meta, M_MD_INTEL);
731 return (NULL);
732 }
733 /* Deny general migrations except SINGLE->RAID1. */
734 if (mvol->migr_state &&
735 mvol->migr_type == INTEL_MT_GEN_MIGR) {
736 mmap = intel_get_map(mvol, 0);
737 mmap1 = intel_get_map(mvol, 1);
738 if (mmap1->total_disks != 1 ||
739 mmap->type != INTEL_T_RAID1 ||
740 mmap->total_disks != 2 ||
741 mmap->offset != mmap1->offset ||
742 mmap->disk_sectors != mmap1->disk_sectors ||
743 mmap->total_domains != mmap->total_disks ||
744 mmap->offset_hi != mmap1->offset_hi ||
745 mmap->disk_sectors_hi != mmap1->disk_sectors_hi ||
746 (mmap->disk_idx[0] != mmap1->disk_idx[0] &&
747 mmap->disk_idx[0] != mmap1->disk_idx[1])) {
748 G_RAID_DEBUG(1, "Intel metadata has unsupported"
749 " variant of general migration");
750 free(meta, M_MD_INTEL);
751 return (NULL);
752 }
753 }
754 }
755
756 return (meta);
757 }
758
759 static int
intel_meta_write(struct g_consumer * cp,struct intel_raid_conf * meta)760 intel_meta_write(struct g_consumer *cp, struct intel_raid_conf *meta)
761 {
762 struct g_provider *pp;
763 char *buf;
764 int error, i, sectors;
765 uint32_t checksum, *ptr;
766
767 pp = cp->provider;
768
769 /* Recalculate checksum for case if metadata were changed. */
770 meta->checksum = 0;
771 for (checksum = 0, ptr = (uint32_t *)meta, i = 0;
772 i < (meta->config_size / sizeof(uint32_t)); i++) {
773 checksum += *ptr++;
774 }
775 meta->checksum = checksum;
776
777 /* Create and fill buffer. */
778 sectors = howmany(meta->config_size, pp->sectorsize);
779 buf = malloc(sectors * pp->sectorsize, M_MD_INTEL, M_WAITOK | M_ZERO);
780 if (sectors > 1) {
781 memcpy(buf, ((char *)meta) + pp->sectorsize,
782 (sectors - 1) * pp->sectorsize);
783 }
784 memcpy(buf + (sectors - 1) * pp->sectorsize, meta, pp->sectorsize);
785
786 error = g_write_data(cp,
787 pp->mediasize - pp->sectorsize * (1 + sectors),
788 buf, pp->sectorsize * sectors);
789 if (error != 0) {
790 G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).",
791 pp->name, error);
792 }
793
794 free(buf, M_MD_INTEL);
795 return (error);
796 }
797
798 static int
intel_meta_erase(struct g_consumer * cp)799 intel_meta_erase(struct g_consumer *cp)
800 {
801 struct g_provider *pp;
802 char *buf;
803 int error;
804
805 pp = cp->provider;
806 buf = malloc(pp->sectorsize, M_MD_INTEL, M_WAITOK | M_ZERO);
807 error = g_write_data(cp,
808 pp->mediasize - 2 * pp->sectorsize,
809 buf, pp->sectorsize);
810 if (error != 0) {
811 G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).",
812 pp->name, error);
813 }
814 free(buf, M_MD_INTEL);
815 return (error);
816 }
817
818 static int
intel_meta_write_spare(struct g_consumer * cp,struct intel_raid_disk * d)819 intel_meta_write_spare(struct g_consumer *cp, struct intel_raid_disk *d)
820 {
821 struct intel_raid_conf *meta;
822 int error;
823
824 /* Fill anchor and single disk. */
825 meta = malloc(INTEL_MAX_MD_SIZE(1), M_MD_INTEL, M_WAITOK | M_ZERO);
826 memcpy(&meta->intel_id[0], INTEL_MAGIC, sizeof(INTEL_MAGIC) - 1);
827 memcpy(&meta->version[0], INTEL_VERSION_1000,
828 sizeof(INTEL_VERSION_1000) - 1);
829 meta->config_size = INTEL_MAX_MD_SIZE(1);
830 meta->config_id = meta->orig_config_id = arc4random();
831 meta->generation = 1;
832 meta->total_disks = 1;
833 meta->disk[0] = *d;
834 error = intel_meta_write(cp, meta);
835 free(meta, M_MD_INTEL);
836 return (error);
837 }
838
839 static struct g_raid_disk *
g_raid_md_intel_get_disk(struct g_raid_softc * sc,int id)840 g_raid_md_intel_get_disk(struct g_raid_softc *sc, int id)
841 {
842 struct g_raid_disk *disk;
843 struct g_raid_md_intel_perdisk *pd;
844
845 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
846 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
847 if (pd->pd_disk_pos == id)
848 break;
849 }
850 return (disk);
851 }
852
853 static int
g_raid_md_intel_supported(int level,int qual,int disks,int force)854 g_raid_md_intel_supported(int level, int qual, int disks, int force)
855 {
856
857 switch (level) {
858 case G_RAID_VOLUME_RL_RAID0:
859 if (disks < 1)
860 return (0);
861 if (!force && (disks < 2 || disks > 6))
862 return (0);
863 break;
864 case G_RAID_VOLUME_RL_RAID1:
865 if (disks < 1)
866 return (0);
867 if (!force && (disks != 2))
868 return (0);
869 break;
870 case G_RAID_VOLUME_RL_RAID1E:
871 if (disks < 2)
872 return (0);
873 if (!force && (disks != 4))
874 return (0);
875 break;
876 case G_RAID_VOLUME_RL_RAID5:
877 if (disks < 3)
878 return (0);
879 if (!force && disks > 6)
880 return (0);
881 if (qual != G_RAID_VOLUME_RLQ_R5LA)
882 return (0);
883 break;
884 default:
885 return (0);
886 }
887 if (level != G_RAID_VOLUME_RL_RAID5 && qual != G_RAID_VOLUME_RLQ_NONE)
888 return (0);
889 return (1);
890 }
891
892 static struct g_raid_volume *
g_raid_md_intel_get_volume(struct g_raid_softc * sc,int id)893 g_raid_md_intel_get_volume(struct g_raid_softc *sc, int id)
894 {
895 struct g_raid_volume *mvol;
896 struct g_raid_md_intel_pervolume *pv;
897
898 TAILQ_FOREACH(mvol, &sc->sc_volumes, v_next) {
899 pv = mvol->v_md_data;
900 if (pv->pv_volume_pos == id)
901 break;
902 }
903 return (mvol);
904 }
905
906 static int
g_raid_md_intel_start_disk(struct g_raid_disk * disk)907 g_raid_md_intel_start_disk(struct g_raid_disk *disk)
908 {
909 struct g_raid_softc *sc;
910 struct g_raid_subdisk *sd, *tmpsd;
911 struct g_raid_disk *olddisk, *tmpdisk;
912 struct g_raid_md_object *md;
913 struct g_raid_md_intel_object *mdi;
914 struct g_raid_md_intel_pervolume *pv;
915 struct g_raid_md_intel_perdisk *pd, *oldpd;
916 struct intel_raid_conf *meta;
917 struct intel_raid_vol *mvol;
918 struct intel_raid_map *mmap0, *mmap1;
919 int disk_pos, resurrection = 0, migr_global, i;
920
921 sc = disk->d_softc;
922 md = sc->sc_md;
923 mdi = (struct g_raid_md_intel_object *)md;
924 meta = mdi->mdio_meta;
925 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
926 olddisk = NULL;
927
928 /* Find disk position in metadata by its serial. */
929 disk_pos = intel_meta_find_disk(meta, pd->pd_disk_meta.serial);
930 if (disk_pos < 0) {
931 G_RAID_DEBUG1(1, sc, "Unknown, probably new or stale disk");
932 /* Failed stale disk is useless for us. */
933 if ((pd->pd_disk_meta.flags & INTEL_F_FAILED) &&
934 !(pd->pd_disk_meta.flags & INTEL_F_DISABLED)) {
935 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE_FAILED);
936 return (0);
937 }
938 /* If we are in the start process, that's all for now. */
939 if (!mdi->mdio_started)
940 goto nofit;
941 /*
942 * If we have already started - try to get use of the disk.
943 * Try to replace OFFLINE disks first, then FAILED.
944 */
945 TAILQ_FOREACH(tmpdisk, &sc->sc_disks, d_next) {
946 if (tmpdisk->d_state != G_RAID_DISK_S_OFFLINE &&
947 tmpdisk->d_state != G_RAID_DISK_S_FAILED)
948 continue;
949 /* Make sure this disk is big enough. */
950 TAILQ_FOREACH(sd, &tmpdisk->d_subdisks, sd_next) {
951 off_t disk_sectors =
952 intel_get_disk_sectors(&pd->pd_disk_meta);
953
954 if (sd->sd_offset + sd->sd_size + 4096 >
955 disk_sectors * 512) {
956 G_RAID_DEBUG1(1, sc,
957 "Disk too small (%llu < %llu)",
958 (unsigned long long)
959 disk_sectors * 512,
960 (unsigned long long)
961 sd->sd_offset + sd->sd_size + 4096);
962 break;
963 }
964 }
965 if (sd != NULL)
966 continue;
967 if (tmpdisk->d_state == G_RAID_DISK_S_OFFLINE) {
968 olddisk = tmpdisk;
969 break;
970 } else if (olddisk == NULL)
971 olddisk = tmpdisk;
972 }
973 if (olddisk == NULL) {
974 nofit:
975 if (pd->pd_disk_meta.flags & INTEL_F_SPARE) {
976 g_raid_change_disk_state(disk,
977 G_RAID_DISK_S_SPARE);
978 return (1);
979 } else {
980 g_raid_change_disk_state(disk,
981 G_RAID_DISK_S_STALE);
982 return (0);
983 }
984 }
985 oldpd = (struct g_raid_md_intel_perdisk *)olddisk->d_md_data;
986 disk_pos = oldpd->pd_disk_pos;
987 resurrection = 1;
988 }
989
990 if (olddisk == NULL) {
991 /* Find placeholder by position. */
992 olddisk = g_raid_md_intel_get_disk(sc, disk_pos);
993 if (olddisk == NULL)
994 panic("No disk at position %d!", disk_pos);
995 if (olddisk->d_state != G_RAID_DISK_S_OFFLINE) {
996 G_RAID_DEBUG1(1, sc, "More than one disk for pos %d",
997 disk_pos);
998 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE);
999 return (0);
1000 }
1001 oldpd = (struct g_raid_md_intel_perdisk *)olddisk->d_md_data;
1002 }
1003
1004 /* Replace failed disk or placeholder with new disk. */
1005 TAILQ_FOREACH_SAFE(sd, &olddisk->d_subdisks, sd_next, tmpsd) {
1006 TAILQ_REMOVE(&olddisk->d_subdisks, sd, sd_next);
1007 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1008 sd->sd_disk = disk;
1009 }
1010 oldpd->pd_disk_pos = -2;
1011 pd->pd_disk_pos = disk_pos;
1012
1013 /* If it was placeholder -- destroy it. */
1014 if (olddisk->d_state == G_RAID_DISK_S_OFFLINE) {
1015 g_raid_destroy_disk(olddisk);
1016 } else {
1017 /* Otherwise, make it STALE_FAILED. */
1018 g_raid_change_disk_state(olddisk, G_RAID_DISK_S_STALE_FAILED);
1019 /* Update global metadata just in case. */
1020 memcpy(&meta->disk[disk_pos], &pd->pd_disk_meta,
1021 sizeof(struct intel_raid_disk));
1022 }
1023
1024 /* Welcome the new disk. */
1025 if ((meta->disk[disk_pos].flags & INTEL_F_DISABLED) &&
1026 !(pd->pd_disk_meta.flags & INTEL_F_SPARE))
1027 g_raid_change_disk_state(disk, G_RAID_DISK_S_DISABLED);
1028 else if (resurrection)
1029 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
1030 else if (meta->disk[disk_pos].flags & INTEL_F_FAILED)
1031 g_raid_change_disk_state(disk, G_RAID_DISK_S_FAILED);
1032 else if (meta->disk[disk_pos].flags & INTEL_F_SPARE)
1033 g_raid_change_disk_state(disk, G_RAID_DISK_S_SPARE);
1034 else
1035 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
1036 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
1037 pv = sd->sd_volume->v_md_data;
1038 mvol = intel_get_volume(meta, pv->pv_volume_pos);
1039 mmap0 = intel_get_map(mvol, 0);
1040 if (mvol->migr_state)
1041 mmap1 = intel_get_map(mvol, 1);
1042 else
1043 mmap1 = mmap0;
1044
1045 migr_global = 1;
1046 for (i = 0; i < mmap0->total_disks; i++) {
1047 if ((mmap0->disk_idx[i] & INTEL_DI_RBLD) == 0 &&
1048 (mmap1->disk_idx[i] & INTEL_DI_RBLD) != 0)
1049 migr_global = 0;
1050 }
1051
1052 if ((meta->disk[disk_pos].flags & INTEL_F_DISABLED) &&
1053 !(pd->pd_disk_meta.flags & INTEL_F_SPARE)) {
1054 /* Disabled disk, useless. */
1055 g_raid_change_subdisk_state(sd,
1056 G_RAID_SUBDISK_S_NONE);
1057 } else if (resurrection) {
1058 /* Stale disk, almost same as new. */
1059 g_raid_change_subdisk_state(sd,
1060 G_RAID_SUBDISK_S_NEW);
1061 } else if (meta->disk[disk_pos].flags & INTEL_F_FAILED) {
1062 /* Failed disk, almost useless. */
1063 g_raid_change_subdisk_state(sd,
1064 G_RAID_SUBDISK_S_FAILED);
1065 } else if (mvol->migr_state == 0) {
1066 if (mmap0->status == INTEL_S_UNINITIALIZED &&
1067 (!pv->pv_cng || pv->pv_cng_master_disk != disk_pos)) {
1068 /* Freshly created uninitialized volume. */
1069 g_raid_change_subdisk_state(sd,
1070 G_RAID_SUBDISK_S_UNINITIALIZED);
1071 } else if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
1072 /* Freshly inserted disk. */
1073 g_raid_change_subdisk_state(sd,
1074 G_RAID_SUBDISK_S_NEW);
1075 } else if (mvol->dirty && (!pv->pv_cng ||
1076 pv->pv_cng_master_disk != disk_pos)) {
1077 /* Dirty volume (unclean shutdown). */
1078 g_raid_change_subdisk_state(sd,
1079 G_RAID_SUBDISK_S_STALE);
1080 } else {
1081 /* Up to date disk. */
1082 g_raid_change_subdisk_state(sd,
1083 G_RAID_SUBDISK_S_ACTIVE);
1084 }
1085 } else if (mvol->migr_type == INTEL_MT_INIT ||
1086 mvol->migr_type == INTEL_MT_REBUILD) {
1087 if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
1088 /* Freshly inserted disk. */
1089 g_raid_change_subdisk_state(sd,
1090 G_RAID_SUBDISK_S_NEW);
1091 } else if (mmap1->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
1092 /* Rebuilding disk. */
1093 g_raid_change_subdisk_state(sd,
1094 G_RAID_SUBDISK_S_REBUILD);
1095 if (mvol->dirty) {
1096 sd->sd_rebuild_pos = 0;
1097 } else {
1098 sd->sd_rebuild_pos =
1099 intel_get_vol_curr_migr_unit(mvol) *
1100 sd->sd_volume->v_strip_size *
1101 mmap0->total_domains;
1102 }
1103 } else if (mvol->migr_type == INTEL_MT_INIT &&
1104 migr_global) {
1105 /* Freshly created uninitialized volume. */
1106 g_raid_change_subdisk_state(sd,
1107 G_RAID_SUBDISK_S_UNINITIALIZED);
1108 } else if (mvol->dirty && (!pv->pv_cng ||
1109 pv->pv_cng_master_disk != disk_pos)) {
1110 /* Dirty volume (unclean shutdown). */
1111 g_raid_change_subdisk_state(sd,
1112 G_RAID_SUBDISK_S_STALE);
1113 } else {
1114 /* Up to date disk. */
1115 g_raid_change_subdisk_state(sd,
1116 G_RAID_SUBDISK_S_ACTIVE);
1117 }
1118 } else if (mvol->migr_type == INTEL_MT_VERIFY ||
1119 mvol->migr_type == INTEL_MT_REPAIR) {
1120 if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
1121 /* Freshly inserted disk. */
1122 g_raid_change_subdisk_state(sd,
1123 G_RAID_SUBDISK_S_NEW);
1124 } else if ((mmap1->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) ||
1125 migr_global) {
1126 /* Resyncing disk. */
1127 g_raid_change_subdisk_state(sd,
1128 G_RAID_SUBDISK_S_RESYNC);
1129 if (mvol->dirty) {
1130 sd->sd_rebuild_pos = 0;
1131 } else {
1132 sd->sd_rebuild_pos =
1133 intel_get_vol_curr_migr_unit(mvol) *
1134 sd->sd_volume->v_strip_size *
1135 mmap0->total_domains;
1136 }
1137 } else if (mvol->dirty) {
1138 /* Dirty volume (unclean shutdown). */
1139 g_raid_change_subdisk_state(sd,
1140 G_RAID_SUBDISK_S_STALE);
1141 } else {
1142 /* Up to date disk. */
1143 g_raid_change_subdisk_state(sd,
1144 G_RAID_SUBDISK_S_ACTIVE);
1145 }
1146 } else if (mvol->migr_type == INTEL_MT_GEN_MIGR) {
1147 if ((mmap1->disk_idx[0] & INTEL_DI_IDX) != disk_pos) {
1148 /* Freshly inserted disk. */
1149 g_raid_change_subdisk_state(sd,
1150 G_RAID_SUBDISK_S_NEW);
1151 } else {
1152 /* Up to date disk. */
1153 g_raid_change_subdisk_state(sd,
1154 G_RAID_SUBDISK_S_ACTIVE);
1155 }
1156 }
1157 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
1158 G_RAID_EVENT_SUBDISK);
1159 }
1160
1161 /* Update status of our need for spare. */
1162 if (mdi->mdio_started) {
1163 mdi->mdio_incomplete =
1164 (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) +
1165 g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED) <
1166 meta->total_disks);
1167 }
1168
1169 return (resurrection);
1170 }
1171
1172 static void
g_disk_md_intel_retaste(void * arg,int pending)1173 g_disk_md_intel_retaste(void *arg, int pending)
1174 {
1175
1176 G_RAID_DEBUG(1, "Array is not complete, trying to retaste.");
1177 g_retaste(&g_raid_class);
1178 free(arg, M_MD_INTEL);
1179 }
1180
1181 static void
g_raid_md_intel_refill(struct g_raid_softc * sc)1182 g_raid_md_intel_refill(struct g_raid_softc *sc)
1183 {
1184 struct g_raid_md_object *md;
1185 struct g_raid_md_intel_object *mdi;
1186 struct intel_raid_conf *meta;
1187 struct g_raid_disk *disk;
1188 struct task *task;
1189 int update, na;
1190
1191 md = sc->sc_md;
1192 mdi = (struct g_raid_md_intel_object *)md;
1193 meta = mdi->mdio_meta;
1194 update = 0;
1195 do {
1196 /* Make sure we miss anything. */
1197 na = g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) +
1198 g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED);
1199 if (na == meta->total_disks)
1200 break;
1201
1202 G_RAID_DEBUG1(1, md->mdo_softc,
1203 "Array is not complete (%d of %d), "
1204 "trying to refill.", na, meta->total_disks);
1205
1206 /* Try to get use some of STALE disks. */
1207 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1208 if (disk->d_state == G_RAID_DISK_S_STALE) {
1209 update += g_raid_md_intel_start_disk(disk);
1210 if (disk->d_state == G_RAID_DISK_S_ACTIVE ||
1211 disk->d_state == G_RAID_DISK_S_DISABLED)
1212 break;
1213 }
1214 }
1215 if (disk != NULL)
1216 continue;
1217
1218 /* Try to get use some of SPARE disks. */
1219 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1220 if (disk->d_state == G_RAID_DISK_S_SPARE) {
1221 update += g_raid_md_intel_start_disk(disk);
1222 if (disk->d_state == G_RAID_DISK_S_ACTIVE)
1223 break;
1224 }
1225 }
1226 } while (disk != NULL);
1227
1228 /* Write new metadata if we changed something. */
1229 if (update) {
1230 g_raid_md_write_intel(md, NULL, NULL, NULL);
1231 meta = mdi->mdio_meta;
1232 }
1233
1234 /* Update status of our need for spare. */
1235 mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) +
1236 g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED) < meta->total_disks);
1237
1238 /* Request retaste hoping to find spare. */
1239 if (mdi->mdio_incomplete) {
1240 task = malloc(sizeof(struct task),
1241 M_MD_INTEL, M_WAITOK | M_ZERO);
1242 TASK_INIT(task, 0, g_disk_md_intel_retaste, task);
1243 taskqueue_enqueue(taskqueue_swi, task);
1244 }
1245 }
1246
1247 static void
g_raid_md_intel_start(struct g_raid_softc * sc)1248 g_raid_md_intel_start(struct g_raid_softc *sc)
1249 {
1250 struct g_raid_md_object *md;
1251 struct g_raid_md_intel_object *mdi;
1252 struct g_raid_md_intel_pervolume *pv;
1253 struct g_raid_md_intel_perdisk *pd;
1254 struct intel_raid_conf *meta;
1255 struct intel_raid_vol *mvol;
1256 struct intel_raid_map *mmap;
1257 struct g_raid_volume *vol;
1258 struct g_raid_subdisk *sd;
1259 struct g_raid_disk *disk;
1260 int i, j, disk_pos;
1261
1262 md = sc->sc_md;
1263 mdi = (struct g_raid_md_intel_object *)md;
1264 meta = mdi->mdio_meta;
1265
1266 /* Create volumes and subdisks. */
1267 for (i = 0; i < meta->total_volumes; i++) {
1268 mvol = intel_get_volume(meta, i);
1269 mmap = intel_get_map(mvol, 0);
1270 vol = g_raid_create_volume(sc, mvol->name, mvol->tid - 1);
1271 pv = malloc(sizeof(*pv), M_MD_INTEL, M_WAITOK | M_ZERO);
1272 pv->pv_volume_pos = i;
1273 pv->pv_cng = (mvol->state & INTEL_ST_CLONE_N_GO) != 0;
1274 pv->pv_cng_man_sync = (mvol->state & INTEL_ST_CLONE_MAN_SYNC) != 0;
1275 if (mvol->cng_master_disk < mmap->total_disks)
1276 pv->pv_cng_master_disk = mvol->cng_master_disk;
1277 vol->v_md_data = pv;
1278 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE;
1279 if (mmap->type == INTEL_T_RAID0)
1280 vol->v_raid_level = G_RAID_VOLUME_RL_RAID0;
1281 else if (mmap->type == INTEL_T_RAID1 &&
1282 mmap->total_domains >= 2 &&
1283 mmap->total_domains <= mmap->total_disks) {
1284 /* Assume total_domains is correct. */
1285 if (mmap->total_domains == mmap->total_disks)
1286 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
1287 else
1288 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
1289 } else if (mmap->type == INTEL_T_RAID1) {
1290 /* total_domains looks wrong. */
1291 if (mmap->total_disks <= 2)
1292 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
1293 else
1294 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
1295 } else if (mmap->type == INTEL_T_RAID5) {
1296 vol->v_raid_level = G_RAID_VOLUME_RL_RAID5;
1297 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_R5LA;
1298 } else
1299 vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN;
1300 vol->v_strip_size = (u_int)mmap->strip_sectors * 512; //ZZZ
1301 vol->v_disks_count = mmap->total_disks;
1302 vol->v_mediasize = (off_t)mvol->total_sectors * 512; //ZZZ
1303 vol->v_sectorsize = 512; //ZZZ
1304 for (j = 0; j < vol->v_disks_count; j++) {
1305 sd = &vol->v_subdisks[j];
1306 sd->sd_offset = intel_get_map_offset(mmap) * 512; //ZZZ
1307 sd->sd_size = intel_get_map_disk_sectors(mmap) * 512; //ZZZ
1308 }
1309 g_raid_start_volume(vol);
1310 }
1311
1312 /* Create disk placeholders to store data for later writing. */
1313 for (disk_pos = 0; disk_pos < meta->total_disks; disk_pos++) {
1314 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
1315 pd->pd_disk_pos = disk_pos;
1316 pd->pd_disk_meta = meta->disk[disk_pos];
1317 disk = g_raid_create_disk(sc);
1318 disk->d_md_data = (void *)pd;
1319 disk->d_state = G_RAID_DISK_S_OFFLINE;
1320 for (i = 0; i < meta->total_volumes; i++) {
1321 mvol = intel_get_volume(meta, i);
1322 mmap = intel_get_map(mvol, 0);
1323 for (j = 0; j < mmap->total_disks; j++) {
1324 if ((mmap->disk_idx[j] & INTEL_DI_IDX) == disk_pos)
1325 break;
1326 }
1327 if (j == mmap->total_disks)
1328 continue;
1329 vol = g_raid_md_intel_get_volume(sc, i);
1330 sd = &vol->v_subdisks[j];
1331 sd->sd_disk = disk;
1332 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1333 }
1334 }
1335
1336 /* Make all disks found till the moment take their places. */
1337 do {
1338 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1339 if (disk->d_state == G_RAID_DISK_S_NONE) {
1340 g_raid_md_intel_start_disk(disk);
1341 break;
1342 }
1343 }
1344 } while (disk != NULL);
1345
1346 mdi->mdio_started = 1;
1347 G_RAID_DEBUG1(0, sc, "Array started.");
1348 g_raid_md_write_intel(md, NULL, NULL, NULL);
1349
1350 /* Pickup any STALE/SPARE disks to refill array if needed. */
1351 g_raid_md_intel_refill(sc);
1352
1353 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
1354 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1355 G_RAID_EVENT_VOLUME);
1356 }
1357
1358 callout_stop(&mdi->mdio_start_co);
1359 G_RAID_DEBUG1(1, sc, "root_mount_rel %p", mdi->mdio_rootmount);
1360 root_mount_rel(mdi->mdio_rootmount);
1361 mdi->mdio_rootmount = NULL;
1362 }
1363
1364 static void
g_raid_md_intel_new_disk(struct g_raid_disk * disk)1365 g_raid_md_intel_new_disk(struct g_raid_disk *disk)
1366 {
1367 struct g_raid_softc *sc;
1368 struct g_raid_md_object *md;
1369 struct g_raid_md_intel_object *mdi;
1370 struct intel_raid_conf *pdmeta;
1371 struct g_raid_md_intel_perdisk *pd;
1372
1373 sc = disk->d_softc;
1374 md = sc->sc_md;
1375 mdi = (struct g_raid_md_intel_object *)md;
1376 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
1377 pdmeta = pd->pd_meta;
1378
1379 if (mdi->mdio_started) {
1380 if (g_raid_md_intel_start_disk(disk))
1381 g_raid_md_write_intel(md, NULL, NULL, NULL);
1382 } else {
1383 /* If we haven't started yet - check metadata freshness. */
1384 if (mdi->mdio_meta == NULL ||
1385 ((int32_t)(pdmeta->generation - mdi->mdio_generation)) > 0) {
1386 G_RAID_DEBUG1(1, sc, "Newer disk");
1387 if (mdi->mdio_meta != NULL)
1388 free(mdi->mdio_meta, M_MD_INTEL);
1389 mdi->mdio_meta = intel_meta_copy(pdmeta);
1390 mdi->mdio_generation = mdi->mdio_meta->generation;
1391 mdi->mdio_disks_present = 1;
1392 } else if (pdmeta->generation == mdi->mdio_generation) {
1393 mdi->mdio_disks_present++;
1394 G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d up)",
1395 mdi->mdio_disks_present,
1396 mdi->mdio_meta->total_disks);
1397 } else {
1398 G_RAID_DEBUG1(1, sc, "Older disk");
1399 }
1400 /* If we collected all needed disks - start array. */
1401 if (mdi->mdio_disks_present == mdi->mdio_meta->total_disks)
1402 g_raid_md_intel_start(sc);
1403 }
1404 }
1405
1406 static void
g_raid_intel_go(void * arg)1407 g_raid_intel_go(void *arg)
1408 {
1409 struct g_raid_softc *sc;
1410 struct g_raid_md_object *md;
1411 struct g_raid_md_intel_object *mdi;
1412
1413 sc = arg;
1414 md = sc->sc_md;
1415 mdi = (struct g_raid_md_intel_object *)md;
1416 if (!mdi->mdio_started) {
1417 G_RAID_DEBUG1(0, sc, "Force array start due to timeout.");
1418 g_raid_event_send(sc, G_RAID_NODE_E_START, 0);
1419 }
1420 }
1421
1422 static int
g_raid_md_create_intel(struct g_raid_md_object * md,struct g_class * mp,struct g_geom ** gp)1423 g_raid_md_create_intel(struct g_raid_md_object *md, struct g_class *mp,
1424 struct g_geom **gp)
1425 {
1426 struct g_raid_softc *sc;
1427 struct g_raid_md_intel_object *mdi;
1428 char name[16];
1429
1430 mdi = (struct g_raid_md_intel_object *)md;
1431 mdi->mdio_config_id = mdi->mdio_orig_config_id = arc4random();
1432 mdi->mdio_generation = 0;
1433 snprintf(name, sizeof(name), "Intel-%08x", mdi->mdio_config_id);
1434 sc = g_raid_create_node(mp, name, md);
1435 if (sc == NULL)
1436 return (G_RAID_MD_TASTE_FAIL);
1437 md->mdo_softc = sc;
1438 *gp = sc->sc_geom;
1439 return (G_RAID_MD_TASTE_NEW);
1440 }
1441
1442 /*
1443 * Return the last N characters of the serial label. The Linux and
1444 * ataraid(7) code always uses the last 16 characters of the label to
1445 * store into the Intel meta format. Generalize this to N characters
1446 * since that's easy. Labels can be up to 20 characters for SATA drives
1447 * and up 251 characters for SAS drives. Since intel controllers don't
1448 * support SAS drives, just stick with the SATA limits for stack friendliness.
1449 */
1450 static int
g_raid_md_get_label(struct g_consumer * cp,char * serial,int serlen)1451 g_raid_md_get_label(struct g_consumer *cp, char *serial, int serlen)
1452 {
1453 char serial_buffer[DISK_IDENT_SIZE];
1454 int len, error;
1455
1456 len = sizeof(serial_buffer);
1457 error = g_io_getattr("GEOM::ident", cp, &len, serial_buffer);
1458 if (error != 0)
1459 return (error);
1460 len = strlen(serial_buffer);
1461 if (len > serlen)
1462 len -= serlen;
1463 else
1464 len = 0;
1465 strncpy(serial, serial_buffer + len, serlen);
1466 return (0);
1467 }
1468
1469 static int
g_raid_md_taste_intel(struct g_raid_md_object * md,struct g_class * mp,struct g_consumer * cp,struct g_geom ** gp)1470 g_raid_md_taste_intel(struct g_raid_md_object *md, struct g_class *mp,
1471 struct g_consumer *cp, struct g_geom **gp)
1472 {
1473 struct g_consumer *rcp;
1474 struct g_provider *pp;
1475 struct g_raid_md_intel_object *mdi, *mdi1;
1476 struct g_raid_softc *sc;
1477 struct g_raid_disk *disk;
1478 struct intel_raid_conf *meta;
1479 struct g_raid_md_intel_perdisk *pd;
1480 struct g_geom *geom;
1481 int error, disk_pos, result, spare, len;
1482 char serial[INTEL_SERIAL_LEN];
1483 char name[16];
1484 uint16_t vendor;
1485
1486 G_RAID_DEBUG(1, "Tasting Intel on %s", cp->provider->name);
1487 mdi = (struct g_raid_md_intel_object *)md;
1488 pp = cp->provider;
1489
1490 /* Read metadata from device. */
1491 meta = NULL;
1492 disk_pos = 0;
1493 g_topology_unlock();
1494 error = g_raid_md_get_label(cp, serial, sizeof(serial));
1495 if (error != 0) {
1496 G_RAID_DEBUG(1, "Cannot get serial number from %s (error=%d).",
1497 pp->name, error);
1498 goto fail2;
1499 }
1500 vendor = 0xffff;
1501 len = sizeof(vendor);
1502 if (pp->geom->rank == 1)
1503 g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor);
1504 meta = intel_meta_read(cp);
1505 g_topology_lock();
1506 if (meta == NULL) {
1507 if (g_raid_aggressive_spare) {
1508 if (vendor != 0x8086) {
1509 G_RAID_DEBUG(1,
1510 "Intel vendor mismatch 0x%04x != 0x8086",
1511 vendor);
1512 } else {
1513 G_RAID_DEBUG(1,
1514 "No Intel metadata, forcing spare.");
1515 spare = 2;
1516 goto search;
1517 }
1518 }
1519 return (G_RAID_MD_TASTE_FAIL);
1520 }
1521
1522 /* Check this disk position in obtained metadata. */
1523 disk_pos = intel_meta_find_disk(meta, serial);
1524 if (disk_pos < 0) {
1525 G_RAID_DEBUG(1, "Intel serial '%s' not found", serial);
1526 goto fail1;
1527 }
1528 if (intel_get_disk_sectors(&meta->disk[disk_pos]) !=
1529 (pp->mediasize / pp->sectorsize)) {
1530 G_RAID_DEBUG(1, "Intel size mismatch %ju != %ju",
1531 intel_get_disk_sectors(&meta->disk[disk_pos]),
1532 (off_t)(pp->mediasize / pp->sectorsize));
1533 goto fail1;
1534 }
1535
1536 G_RAID_DEBUG(1, "Intel disk position %d", disk_pos);
1537 spare = meta->disk[disk_pos].flags & INTEL_F_SPARE;
1538
1539 search:
1540 /* Search for matching node. */
1541 sc = NULL;
1542 mdi1 = NULL;
1543 LIST_FOREACH(geom, &mp->geom, geom) {
1544 sc = geom->softc;
1545 if (sc == NULL)
1546 continue;
1547 if (sc->sc_stopping != 0)
1548 continue;
1549 if (sc->sc_md->mdo_class != md->mdo_class)
1550 continue;
1551 mdi1 = (struct g_raid_md_intel_object *)sc->sc_md;
1552 if (spare) {
1553 if (mdi1->mdio_incomplete)
1554 break;
1555 } else {
1556 if (mdi1->mdio_config_id == meta->config_id)
1557 break;
1558 }
1559 }
1560
1561 /* Found matching node. */
1562 if (geom != NULL) {
1563 G_RAID_DEBUG(1, "Found matching array %s", sc->sc_name);
1564 result = G_RAID_MD_TASTE_EXISTING;
1565
1566 } else if (spare) { /* Not found needy node -- left for later. */
1567 G_RAID_DEBUG(1, "Spare is not needed at this time");
1568 goto fail1;
1569
1570 } else { /* Not found matching node -- create one. */
1571 result = G_RAID_MD_TASTE_NEW;
1572 mdi->mdio_config_id = meta->config_id;
1573 mdi->mdio_orig_config_id = meta->orig_config_id;
1574 snprintf(name, sizeof(name), "Intel-%08x", meta->config_id);
1575 sc = g_raid_create_node(mp, name, md);
1576 md->mdo_softc = sc;
1577 geom = sc->sc_geom;
1578 callout_init(&mdi->mdio_start_co, 1);
1579 callout_reset(&mdi->mdio_start_co, g_raid_start_timeout * hz,
1580 g_raid_intel_go, sc);
1581 mdi->mdio_rootmount = root_mount_hold("GRAID-Intel");
1582 G_RAID_DEBUG1(1, sc, "root_mount_hold %p", mdi->mdio_rootmount);
1583 }
1584
1585 /* There is no return after this point, so we close passed consumer. */
1586 g_access(cp, -1, 0, 0);
1587
1588 rcp = g_new_consumer(geom);
1589 rcp->flags |= G_CF_DIRECT_RECEIVE;
1590 g_attach(rcp, pp);
1591 if (g_access(rcp, 1, 1, 1) != 0)
1592 ; //goto fail1;
1593
1594 g_topology_unlock();
1595 sx_xlock(&sc->sc_lock);
1596
1597 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
1598 pd->pd_meta = meta;
1599 pd->pd_disk_pos = -1;
1600 if (spare == 2) {
1601 memcpy(&pd->pd_disk_meta.serial[0], serial, INTEL_SERIAL_LEN);
1602 intel_set_disk_sectors(&pd->pd_disk_meta,
1603 pp->mediasize / pp->sectorsize);
1604 pd->pd_disk_meta.id = 0;
1605 pd->pd_disk_meta.flags = INTEL_F_SPARE;
1606 } else {
1607 pd->pd_disk_meta = meta->disk[disk_pos];
1608 }
1609 disk = g_raid_create_disk(sc);
1610 disk->d_md_data = (void *)pd;
1611 disk->d_consumer = rcp;
1612 rcp->private = disk;
1613
1614 g_raid_get_disk_info(disk);
1615
1616 g_raid_md_intel_new_disk(disk);
1617
1618 sx_xunlock(&sc->sc_lock);
1619 g_topology_lock();
1620 *gp = geom;
1621 return (result);
1622 fail2:
1623 g_topology_lock();
1624 fail1:
1625 free(meta, M_MD_INTEL);
1626 return (G_RAID_MD_TASTE_FAIL);
1627 }
1628
1629 static int
g_raid_md_event_intel(struct g_raid_md_object * md,struct g_raid_disk * disk,u_int event)1630 g_raid_md_event_intel(struct g_raid_md_object *md,
1631 struct g_raid_disk *disk, u_int event)
1632 {
1633 struct g_raid_softc *sc;
1634 struct g_raid_subdisk *sd;
1635 struct g_raid_md_intel_object *mdi;
1636 struct g_raid_md_intel_perdisk *pd;
1637
1638 sc = md->mdo_softc;
1639 mdi = (struct g_raid_md_intel_object *)md;
1640 if (disk == NULL) {
1641 switch (event) {
1642 case G_RAID_NODE_E_START:
1643 if (!mdi->mdio_started)
1644 g_raid_md_intel_start(sc);
1645 return (0);
1646 }
1647 return (-1);
1648 }
1649 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
1650 switch (event) {
1651 case G_RAID_DISK_E_DISCONNECTED:
1652 /* If disk was assigned, just update statuses. */
1653 if (pd->pd_disk_pos >= 0) {
1654 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1655 if (disk->d_consumer) {
1656 g_raid_kill_consumer(sc, disk->d_consumer);
1657 disk->d_consumer = NULL;
1658 }
1659 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
1660 g_raid_change_subdisk_state(sd,
1661 G_RAID_SUBDISK_S_NONE);
1662 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
1663 G_RAID_EVENT_SUBDISK);
1664 }
1665 } else {
1666 /* Otherwise -- delete. */
1667 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
1668 g_raid_destroy_disk(disk);
1669 }
1670
1671 /* Write updated metadata to all disks. */
1672 g_raid_md_write_intel(md, NULL, NULL, NULL);
1673
1674 /* Check if anything left except placeholders. */
1675 if (g_raid_ndisks(sc, -1) ==
1676 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1677 g_raid_destroy_node(sc, 0);
1678 else
1679 g_raid_md_intel_refill(sc);
1680 return (0);
1681 }
1682 return (-2);
1683 }
1684
1685 static int
g_raid_md_ctl_intel(struct g_raid_md_object * md,struct gctl_req * req)1686 g_raid_md_ctl_intel(struct g_raid_md_object *md,
1687 struct gctl_req *req)
1688 {
1689 struct g_raid_softc *sc;
1690 struct g_raid_volume *vol, *vol1;
1691 struct g_raid_subdisk *sd;
1692 struct g_raid_disk *disk;
1693 struct g_raid_md_intel_object *mdi;
1694 struct g_raid_md_intel_pervolume *pv;
1695 struct g_raid_md_intel_perdisk *pd;
1696 struct g_consumer *cp;
1697 struct g_provider *pp;
1698 char arg[16], serial[INTEL_SERIAL_LEN];
1699 const char *nodename, *verb, *volname, *levelname, *diskname;
1700 char *tmp;
1701 int *nargs, *force;
1702 off_t off, size, sectorsize, strip, disk_sectors;
1703 intmax_t *sizearg, *striparg;
1704 int numdisks, i, len, level, qual, update;
1705 int error;
1706
1707 sc = md->mdo_softc;
1708 mdi = (struct g_raid_md_intel_object *)md;
1709 verb = gctl_get_param(req, "verb", NULL);
1710 nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
1711 error = 0;
1712 if (strcmp(verb, "label") == 0) {
1713 if (*nargs < 4) {
1714 gctl_error(req, "Invalid number of arguments.");
1715 return (-1);
1716 }
1717 volname = gctl_get_asciiparam(req, "arg1");
1718 if (volname == NULL) {
1719 gctl_error(req, "No volume name.");
1720 return (-2);
1721 }
1722 levelname = gctl_get_asciiparam(req, "arg2");
1723 if (levelname == NULL) {
1724 gctl_error(req, "No RAID level.");
1725 return (-3);
1726 }
1727 if (strcasecmp(levelname, "RAID5") == 0)
1728 levelname = "RAID5-LA";
1729 if (g_raid_volume_str2level(levelname, &level, &qual)) {
1730 gctl_error(req, "Unknown RAID level '%s'.", levelname);
1731 return (-4);
1732 }
1733 numdisks = *nargs - 3;
1734 force = gctl_get_paraml(req, "force", sizeof(*force));
1735 if (!g_raid_md_intel_supported(level, qual, numdisks,
1736 force ? *force : 0)) {
1737 gctl_error(req, "Unsupported RAID level "
1738 "(0x%02x/0x%02x), or number of disks (%d).",
1739 level, qual, numdisks);
1740 return (-5);
1741 }
1742
1743 /* Search for disks, connect them and probe. */
1744 size = 0x7fffffffffffffffllu;
1745 sectorsize = 0;
1746 for (i = 0; i < numdisks; i++) {
1747 snprintf(arg, sizeof(arg), "arg%d", i + 3);
1748 diskname = gctl_get_asciiparam(req, arg);
1749 if (diskname == NULL) {
1750 gctl_error(req, "No disk name (%s).", arg);
1751 error = -6;
1752 break;
1753 }
1754 if (strcmp(diskname, "NONE") == 0) {
1755 cp = NULL;
1756 pp = NULL;
1757 } else {
1758 g_topology_lock();
1759 cp = g_raid_open_consumer(sc, diskname);
1760 if (cp == NULL) {
1761 gctl_error(req, "Can't open disk '%s'.",
1762 diskname);
1763 g_topology_unlock();
1764 error = -7;
1765 break;
1766 }
1767 pp = cp->provider;
1768 }
1769 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
1770 pd->pd_disk_pos = i;
1771 disk = g_raid_create_disk(sc);
1772 disk->d_md_data = (void *)pd;
1773 disk->d_consumer = cp;
1774 if (cp == NULL) {
1775 strcpy(&pd->pd_disk_meta.serial[0], "NONE");
1776 pd->pd_disk_meta.id = 0xffffffff;
1777 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED;
1778 continue;
1779 }
1780 cp->private = disk;
1781 g_topology_unlock();
1782
1783 error = g_raid_md_get_label(cp,
1784 &pd->pd_disk_meta.serial[0], INTEL_SERIAL_LEN);
1785 if (error != 0) {
1786 gctl_error(req,
1787 "Can't get serial for provider '%s'.",
1788 diskname);
1789 error = -8;
1790 break;
1791 }
1792
1793 g_raid_get_disk_info(disk);
1794
1795 intel_set_disk_sectors(&pd->pd_disk_meta,
1796 pp->mediasize / pp->sectorsize);
1797 if (size > pp->mediasize)
1798 size = pp->mediasize;
1799 if (sectorsize < pp->sectorsize)
1800 sectorsize = pp->sectorsize;
1801 pd->pd_disk_meta.id = 0;
1802 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED | INTEL_F_ONLINE;
1803 }
1804 if (error != 0)
1805 return (error);
1806
1807 if (sectorsize <= 0) {
1808 gctl_error(req, "Can't get sector size.");
1809 return (-8);
1810 }
1811
1812 /* Reserve some space for metadata. */
1813 size -= ((4096 + sectorsize - 1) / sectorsize) * sectorsize;
1814
1815 /* Handle size argument. */
1816 len = sizeof(*sizearg);
1817 sizearg = gctl_get_param(req, "size", &len);
1818 if (sizearg != NULL && len == sizeof(*sizearg) &&
1819 *sizearg > 0) {
1820 if (*sizearg > size) {
1821 gctl_error(req, "Size too big %lld > %lld.",
1822 (long long)*sizearg, (long long)size);
1823 return (-9);
1824 }
1825 size = *sizearg;
1826 }
1827
1828 /* Handle strip argument. */
1829 strip = 131072;
1830 len = sizeof(*striparg);
1831 striparg = gctl_get_param(req, "strip", &len);
1832 if (striparg != NULL && len == sizeof(*striparg) &&
1833 *striparg > 0) {
1834 if (*striparg < sectorsize) {
1835 gctl_error(req, "Strip size too small.");
1836 return (-10);
1837 }
1838 if (*striparg % sectorsize != 0) {
1839 gctl_error(req, "Incorrect strip size.");
1840 return (-11);
1841 }
1842 if (strip > 65535 * sectorsize) {
1843 gctl_error(req, "Strip size too big.");
1844 return (-12);
1845 }
1846 strip = *striparg;
1847 }
1848
1849 /* Round size down to strip or sector. */
1850 if (level == G_RAID_VOLUME_RL_RAID1)
1851 size -= (size % sectorsize);
1852 else if (level == G_RAID_VOLUME_RL_RAID1E &&
1853 (numdisks & 1) != 0)
1854 size -= (size % (2 * strip));
1855 else
1856 size -= (size % strip);
1857 if (size <= 0) {
1858 gctl_error(req, "Size too small.");
1859 return (-13);
1860 }
1861
1862 /* We have all we need, create things: volume, ... */
1863 mdi->mdio_started = 1;
1864 vol = g_raid_create_volume(sc, volname, -1);
1865 pv = malloc(sizeof(*pv), M_MD_INTEL, M_WAITOK | M_ZERO);
1866 pv->pv_volume_pos = 0;
1867 vol->v_md_data = pv;
1868 vol->v_raid_level = level;
1869 vol->v_raid_level_qualifier = qual;
1870 vol->v_strip_size = strip;
1871 vol->v_disks_count = numdisks;
1872 if (level == G_RAID_VOLUME_RL_RAID0)
1873 vol->v_mediasize = size * numdisks;
1874 else if (level == G_RAID_VOLUME_RL_RAID1)
1875 vol->v_mediasize = size;
1876 else if (level == G_RAID_VOLUME_RL_RAID5)
1877 vol->v_mediasize = size * (numdisks - 1);
1878 else { /* RAID1E */
1879 vol->v_mediasize = ((size * numdisks) / strip / 2) *
1880 strip;
1881 }
1882 vol->v_sectorsize = sectorsize;
1883 g_raid_start_volume(vol);
1884
1885 /* , and subdisks. */
1886 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1887 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
1888 sd = &vol->v_subdisks[pd->pd_disk_pos];
1889 sd->sd_disk = disk;
1890 sd->sd_offset = 0;
1891 sd->sd_size = size;
1892 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1893 if (sd->sd_disk->d_consumer != NULL) {
1894 g_raid_change_disk_state(disk,
1895 G_RAID_DISK_S_ACTIVE);
1896 if (level == G_RAID_VOLUME_RL_RAID5)
1897 g_raid_change_subdisk_state(sd,
1898 G_RAID_SUBDISK_S_UNINITIALIZED);
1899 else
1900 g_raid_change_subdisk_state(sd,
1901 G_RAID_SUBDISK_S_ACTIVE);
1902 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
1903 G_RAID_EVENT_SUBDISK);
1904 } else {
1905 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1906 }
1907 }
1908
1909 /* Write metadata based on created entities. */
1910 G_RAID_DEBUG1(0, sc, "Array started.");
1911 g_raid_md_write_intel(md, NULL, NULL, NULL);
1912
1913 /* Pickup any STALE/SPARE disks to refill array if needed. */
1914 g_raid_md_intel_refill(sc);
1915
1916 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1917 G_RAID_EVENT_VOLUME);
1918 return (0);
1919 }
1920 if (strcmp(verb, "add") == 0) {
1921 if (*nargs != 3) {
1922 gctl_error(req, "Invalid number of arguments.");
1923 return (-1);
1924 }
1925 volname = gctl_get_asciiparam(req, "arg1");
1926 if (volname == NULL) {
1927 gctl_error(req, "No volume name.");
1928 return (-2);
1929 }
1930 levelname = gctl_get_asciiparam(req, "arg2");
1931 if (levelname == NULL) {
1932 gctl_error(req, "No RAID level.");
1933 return (-3);
1934 }
1935 if (strcasecmp(levelname, "RAID5") == 0)
1936 levelname = "RAID5-LA";
1937 if (g_raid_volume_str2level(levelname, &level, &qual)) {
1938 gctl_error(req, "Unknown RAID level '%s'.", levelname);
1939 return (-4);
1940 }
1941
1942 /* Look for existing volumes. */
1943 i = 0;
1944 vol1 = NULL;
1945 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
1946 vol1 = vol;
1947 i++;
1948 }
1949 if (i > 1) {
1950 gctl_error(req, "Maximum two volumes supported.");
1951 return (-6);
1952 }
1953 if (vol1 == NULL) {
1954 gctl_error(req, "At least one volume must exist.");
1955 return (-7);
1956 }
1957
1958 numdisks = vol1->v_disks_count;
1959 force = gctl_get_paraml(req, "force", sizeof(*force));
1960 if (!g_raid_md_intel_supported(level, qual, numdisks,
1961 force ? *force : 0)) {
1962 gctl_error(req, "Unsupported RAID level "
1963 "(0x%02x/0x%02x), or number of disks (%d).",
1964 level, qual, numdisks);
1965 return (-5);
1966 }
1967
1968 /* Collect info about present disks. */
1969 size = 0x7fffffffffffffffllu;
1970 sectorsize = 512;
1971 for (i = 0; i < numdisks; i++) {
1972 disk = vol1->v_subdisks[i].sd_disk;
1973 pd = (struct g_raid_md_intel_perdisk *)
1974 disk->d_md_data;
1975 disk_sectors =
1976 intel_get_disk_sectors(&pd->pd_disk_meta);
1977
1978 if (disk_sectors * 512 < size)
1979 size = disk_sectors * 512;
1980 if (disk->d_consumer != NULL &&
1981 disk->d_consumer->provider != NULL &&
1982 disk->d_consumer->provider->sectorsize >
1983 sectorsize) {
1984 sectorsize =
1985 disk->d_consumer->provider->sectorsize;
1986 }
1987 }
1988
1989 /* Reserve some space for metadata. */
1990 size -= ((4096 + sectorsize - 1) / sectorsize) * sectorsize;
1991
1992 /* Decide insert before or after. */
1993 sd = &vol1->v_subdisks[0];
1994 if (sd->sd_offset >
1995 size - (sd->sd_offset + sd->sd_size)) {
1996 off = 0;
1997 size = sd->sd_offset;
1998 } else {
1999 off = sd->sd_offset + sd->sd_size;
2000 size = size - (sd->sd_offset + sd->sd_size);
2001 }
2002
2003 /* Handle strip argument. */
2004 strip = 131072;
2005 len = sizeof(*striparg);
2006 striparg = gctl_get_param(req, "strip", &len);
2007 if (striparg != NULL && len == sizeof(*striparg) &&
2008 *striparg > 0) {
2009 if (*striparg < sectorsize) {
2010 gctl_error(req, "Strip size too small.");
2011 return (-10);
2012 }
2013 if (*striparg % sectorsize != 0) {
2014 gctl_error(req, "Incorrect strip size.");
2015 return (-11);
2016 }
2017 if (strip > 65535 * sectorsize) {
2018 gctl_error(req, "Strip size too big.");
2019 return (-12);
2020 }
2021 strip = *striparg;
2022 }
2023
2024 /* Round offset up to strip. */
2025 if (off % strip != 0) {
2026 size -= strip - off % strip;
2027 off += strip - off % strip;
2028 }
2029
2030 /* Handle size argument. */
2031 len = sizeof(*sizearg);
2032 sizearg = gctl_get_param(req, "size", &len);
2033 if (sizearg != NULL && len == sizeof(*sizearg) &&
2034 *sizearg > 0) {
2035 if (*sizearg > size) {
2036 gctl_error(req, "Size too big %lld > %lld.",
2037 (long long)*sizearg, (long long)size);
2038 return (-9);
2039 }
2040 size = *sizearg;
2041 }
2042
2043 /* Round size down to strip or sector. */
2044 if (level == G_RAID_VOLUME_RL_RAID1)
2045 size -= (size % sectorsize);
2046 else
2047 size -= (size % strip);
2048 if (size <= 0) {
2049 gctl_error(req, "Size too small.");
2050 return (-13);
2051 }
2052 if (size > 0xffffffffllu * sectorsize) {
2053 gctl_error(req, "Size too big.");
2054 return (-14);
2055 }
2056
2057 /* We have all we need, create things: volume, ... */
2058 vol = g_raid_create_volume(sc, volname, -1);
2059 pv = malloc(sizeof(*pv), M_MD_INTEL, M_WAITOK | M_ZERO);
2060 pv->pv_volume_pos = i;
2061 vol->v_md_data = pv;
2062 vol->v_raid_level = level;
2063 vol->v_raid_level_qualifier = qual;
2064 vol->v_strip_size = strip;
2065 vol->v_disks_count = numdisks;
2066 if (level == G_RAID_VOLUME_RL_RAID0)
2067 vol->v_mediasize = size * numdisks;
2068 else if (level == G_RAID_VOLUME_RL_RAID1)
2069 vol->v_mediasize = size;
2070 else if (level == G_RAID_VOLUME_RL_RAID5)
2071 vol->v_mediasize = size * (numdisks - 1);
2072 else { /* RAID1E */
2073 vol->v_mediasize = ((size * numdisks) / strip / 2) *
2074 strip;
2075 }
2076 vol->v_sectorsize = sectorsize;
2077 g_raid_start_volume(vol);
2078
2079 /* , and subdisks. */
2080 for (i = 0; i < numdisks; i++) {
2081 disk = vol1->v_subdisks[i].sd_disk;
2082 sd = &vol->v_subdisks[i];
2083 sd->sd_disk = disk;
2084 sd->sd_offset = off;
2085 sd->sd_size = size;
2086 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
2087 if (disk->d_state == G_RAID_DISK_S_ACTIVE) {
2088 if (level == G_RAID_VOLUME_RL_RAID5)
2089 g_raid_change_subdisk_state(sd,
2090 G_RAID_SUBDISK_S_UNINITIALIZED);
2091 else
2092 g_raid_change_subdisk_state(sd,
2093 G_RAID_SUBDISK_S_ACTIVE);
2094 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
2095 G_RAID_EVENT_SUBDISK);
2096 }
2097 }
2098
2099 /* Write metadata based on created entities. */
2100 g_raid_md_write_intel(md, NULL, NULL, NULL);
2101
2102 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
2103 G_RAID_EVENT_VOLUME);
2104 return (0);
2105 }
2106 if (strcmp(verb, "delete") == 0) {
2107 nodename = gctl_get_asciiparam(req, "arg0");
2108 if (nodename != NULL && strcasecmp(sc->sc_name, nodename) != 0)
2109 nodename = NULL;
2110
2111 /* Full node destruction. */
2112 if (*nargs == 1 && nodename != NULL) {
2113 /* Check if some volume is still open. */
2114 force = gctl_get_paraml(req, "force", sizeof(*force));
2115 if (force != NULL && *force == 0 &&
2116 g_raid_nopens(sc) != 0) {
2117 gctl_error(req, "Some volume is still open.");
2118 return (-4);
2119 }
2120
2121 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2122 if (disk->d_consumer)
2123 intel_meta_erase(disk->d_consumer);
2124 }
2125 g_raid_destroy_node(sc, 0);
2126 return (0);
2127 }
2128
2129 /* Destroy specified volume. If it was last - all node. */
2130 if (*nargs > 2) {
2131 gctl_error(req, "Invalid number of arguments.");
2132 return (-1);
2133 }
2134 volname = gctl_get_asciiparam(req,
2135 nodename != NULL ? "arg1" : "arg0");
2136 if (volname == NULL) {
2137 gctl_error(req, "No volume name.");
2138 return (-2);
2139 }
2140
2141 /* Search for volume. */
2142 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
2143 if (strcmp(vol->v_name, volname) == 0)
2144 break;
2145 pp = vol->v_provider;
2146 if (pp == NULL)
2147 continue;
2148 if (strcmp(pp->name, volname) == 0)
2149 break;
2150 if (strncmp(pp->name, "raid/", 5) == 0 &&
2151 strcmp(pp->name + 5, volname) == 0)
2152 break;
2153 }
2154 if (vol == NULL) {
2155 i = strtol(volname, &tmp, 10);
2156 if (verb != volname && tmp[0] == 0) {
2157 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
2158 if (vol->v_global_id == i)
2159 break;
2160 }
2161 }
2162 }
2163 if (vol == NULL) {
2164 gctl_error(req, "Volume '%s' not found.", volname);
2165 return (-3);
2166 }
2167
2168 /* Check if volume is still open. */
2169 force = gctl_get_paraml(req, "force", sizeof(*force));
2170 if (force != NULL && *force == 0 &&
2171 vol->v_provider_open != 0) {
2172 gctl_error(req, "Volume is still open.");
2173 return (-4);
2174 }
2175
2176 /* Destroy volume and potentially node. */
2177 i = 0;
2178 TAILQ_FOREACH(vol1, &sc->sc_volumes, v_next)
2179 i++;
2180 if (i >= 2) {
2181 g_raid_destroy_volume(vol);
2182 g_raid_md_write_intel(md, NULL, NULL, NULL);
2183 } else {
2184 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2185 if (disk->d_consumer)
2186 intel_meta_erase(disk->d_consumer);
2187 }
2188 g_raid_destroy_node(sc, 0);
2189 }
2190 return (0);
2191 }
2192 if (strcmp(verb, "remove") == 0 ||
2193 strcmp(verb, "fail") == 0) {
2194 if (*nargs < 2) {
2195 gctl_error(req, "Invalid number of arguments.");
2196 return (-1);
2197 }
2198 for (i = 1; i < *nargs; i++) {
2199 snprintf(arg, sizeof(arg), "arg%d", i);
2200 diskname = gctl_get_asciiparam(req, arg);
2201 if (diskname == NULL) {
2202 gctl_error(req, "No disk name (%s).", arg);
2203 error = -2;
2204 break;
2205 }
2206 if (strncmp(diskname, _PATH_DEV, 5) == 0)
2207 diskname += 5;
2208
2209 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2210 if (disk->d_consumer != NULL &&
2211 disk->d_consumer->provider != NULL &&
2212 strcmp(disk->d_consumer->provider->name,
2213 diskname) == 0)
2214 break;
2215 }
2216 if (disk == NULL) {
2217 gctl_error(req, "Disk '%s' not found.",
2218 diskname);
2219 error = -3;
2220 break;
2221 }
2222
2223 if (strcmp(verb, "fail") == 0) {
2224 g_raid_md_fail_disk_intel(md, NULL, disk);
2225 continue;
2226 }
2227
2228 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2229
2230 /* Erase metadata on deleting disk. */
2231 intel_meta_erase(disk->d_consumer);
2232
2233 /* If disk was assigned, just update statuses. */
2234 if (pd->pd_disk_pos >= 0) {
2235 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
2236 g_raid_kill_consumer(sc, disk->d_consumer);
2237 disk->d_consumer = NULL;
2238 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
2239 g_raid_change_subdisk_state(sd,
2240 G_RAID_SUBDISK_S_NONE);
2241 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
2242 G_RAID_EVENT_SUBDISK);
2243 }
2244 } else {
2245 /* Otherwise -- delete. */
2246 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
2247 g_raid_destroy_disk(disk);
2248 }
2249 }
2250
2251 /* Write updated metadata to remaining disks. */
2252 g_raid_md_write_intel(md, NULL, NULL, NULL);
2253
2254 /* Check if anything left except placeholders. */
2255 if (g_raid_ndisks(sc, -1) ==
2256 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
2257 g_raid_destroy_node(sc, 0);
2258 else
2259 g_raid_md_intel_refill(sc);
2260 return (error);
2261 }
2262 if (strcmp(verb, "insert") == 0) {
2263 if (*nargs < 2) {
2264 gctl_error(req, "Invalid number of arguments.");
2265 return (-1);
2266 }
2267 update = 0;
2268 for (i = 1; i < *nargs; i++) {
2269 /* Get disk name. */
2270 snprintf(arg, sizeof(arg), "arg%d", i);
2271 diskname = gctl_get_asciiparam(req, arg);
2272 if (diskname == NULL) {
2273 gctl_error(req, "No disk name (%s).", arg);
2274 error = -3;
2275 break;
2276 }
2277
2278 /* Try to find provider with specified name. */
2279 g_topology_lock();
2280 cp = g_raid_open_consumer(sc, diskname);
2281 if (cp == NULL) {
2282 gctl_error(req, "Can't open disk '%s'.",
2283 diskname);
2284 g_topology_unlock();
2285 error = -4;
2286 break;
2287 }
2288 pp = cp->provider;
2289 g_topology_unlock();
2290
2291 /* Read disk serial. */
2292 error = g_raid_md_get_label(cp,
2293 &serial[0], INTEL_SERIAL_LEN);
2294 if (error != 0) {
2295 gctl_error(req,
2296 "Can't get serial for provider '%s'.",
2297 diskname);
2298 g_raid_kill_consumer(sc, cp);
2299 error = -7;
2300 break;
2301 }
2302
2303 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
2304 pd->pd_disk_pos = -1;
2305
2306 disk = g_raid_create_disk(sc);
2307 disk->d_consumer = cp;
2308 disk->d_md_data = (void *)pd;
2309 cp->private = disk;
2310
2311 g_raid_get_disk_info(disk);
2312
2313 memcpy(&pd->pd_disk_meta.serial[0], &serial[0],
2314 INTEL_SERIAL_LEN);
2315 intel_set_disk_sectors(&pd->pd_disk_meta,
2316 pp->mediasize / pp->sectorsize);
2317 pd->pd_disk_meta.id = 0;
2318 pd->pd_disk_meta.flags = INTEL_F_SPARE;
2319
2320 /* Welcome the "new" disk. */
2321 update += g_raid_md_intel_start_disk(disk);
2322 if (disk->d_state == G_RAID_DISK_S_SPARE) {
2323 intel_meta_write_spare(cp, &pd->pd_disk_meta);
2324 g_raid_destroy_disk(disk);
2325 } else if (disk->d_state != G_RAID_DISK_S_ACTIVE) {
2326 gctl_error(req, "Disk '%s' doesn't fit.",
2327 diskname);
2328 g_raid_destroy_disk(disk);
2329 error = -8;
2330 break;
2331 }
2332 }
2333
2334 /* Write new metadata if we changed something. */
2335 if (update)
2336 g_raid_md_write_intel(md, NULL, NULL, NULL);
2337 return (error);
2338 }
2339 return (-100);
2340 }
2341
2342 static int
g_raid_md_write_intel(struct g_raid_md_object * md,struct g_raid_volume * tvol,struct g_raid_subdisk * tsd,struct g_raid_disk * tdisk)2343 g_raid_md_write_intel(struct g_raid_md_object *md, struct g_raid_volume *tvol,
2344 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
2345 {
2346 struct g_raid_softc *sc;
2347 struct g_raid_volume *vol;
2348 struct g_raid_subdisk *sd;
2349 struct g_raid_disk *disk;
2350 struct g_raid_md_intel_object *mdi;
2351 struct g_raid_md_intel_pervolume *pv;
2352 struct g_raid_md_intel_perdisk *pd;
2353 struct intel_raid_conf *meta;
2354 struct intel_raid_vol *mvol;
2355 struct intel_raid_map *mmap0, *mmap1;
2356 off_t sectorsize = 512, pos;
2357 const char *version, *cv;
2358 int vi, sdi, numdisks, len, state, stale;
2359
2360 sc = md->mdo_softc;
2361 mdi = (struct g_raid_md_intel_object *)md;
2362
2363 if (sc->sc_stopping == G_RAID_DESTROY_HARD)
2364 return (0);
2365
2366 /* Bump generation. Newly written metadata may differ from previous. */
2367 mdi->mdio_generation++;
2368
2369 /* Count number of disks. */
2370 numdisks = 0;
2371 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2372 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2373 if (pd->pd_disk_pos < 0)
2374 continue;
2375 numdisks++;
2376 if (disk->d_state == G_RAID_DISK_S_ACTIVE) {
2377 pd->pd_disk_meta.flags =
2378 INTEL_F_ONLINE | INTEL_F_ASSIGNED;
2379 } else if (disk->d_state == G_RAID_DISK_S_FAILED) {
2380 pd->pd_disk_meta.flags = INTEL_F_FAILED |
2381 INTEL_F_ASSIGNED;
2382 } else if (disk->d_state == G_RAID_DISK_S_DISABLED) {
2383 pd->pd_disk_meta.flags = INTEL_F_FAILED |
2384 INTEL_F_ASSIGNED | INTEL_F_DISABLED;
2385 } else {
2386 if (!(pd->pd_disk_meta.flags & INTEL_F_DISABLED))
2387 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED;
2388 if (pd->pd_disk_meta.id != 0xffffffff) {
2389 pd->pd_disk_meta.id = 0xffffffff;
2390 len = strlen(pd->pd_disk_meta.serial);
2391 len = min(len, INTEL_SERIAL_LEN - 3);
2392 strcpy(pd->pd_disk_meta.serial + len, ":0");
2393 }
2394 }
2395 }
2396
2397 /* Fill anchor and disks. */
2398 meta = malloc(INTEL_MAX_MD_SIZE(numdisks),
2399 M_MD_INTEL, M_WAITOK | M_ZERO);
2400 memcpy(&meta->intel_id[0], INTEL_MAGIC, sizeof(INTEL_MAGIC) - 1);
2401 meta->config_size = INTEL_MAX_MD_SIZE(numdisks);
2402 meta->config_id = mdi->mdio_config_id;
2403 meta->orig_config_id = mdi->mdio_orig_config_id;
2404 meta->generation = mdi->mdio_generation;
2405 meta->attributes = INTEL_ATTR_CHECKSUM;
2406 meta->total_disks = numdisks;
2407 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2408 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2409 if (pd->pd_disk_pos < 0)
2410 continue;
2411 meta->disk[pd->pd_disk_pos] = pd->pd_disk_meta;
2412 if (pd->pd_disk_meta.sectors_hi != 0)
2413 meta->attributes |= INTEL_ATTR_2TB_DISK;
2414 }
2415
2416 /* Fill volumes and maps. */
2417 vi = 0;
2418 version = INTEL_VERSION_1000;
2419 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
2420 pv = vol->v_md_data;
2421 if (vol->v_stopping)
2422 continue;
2423 mvol = intel_get_volume(meta, vi);
2424
2425 /* New metadata may have different volumes order. */
2426 pv->pv_volume_pos = vi;
2427
2428 for (sdi = 0; sdi < vol->v_disks_count; sdi++) {
2429 sd = &vol->v_subdisks[sdi];
2430 if (sd->sd_disk != NULL)
2431 break;
2432 }
2433 if (sdi >= vol->v_disks_count)
2434 panic("No any filled subdisk in volume");
2435 if (vol->v_mediasize >= 0x20000000000llu)
2436 meta->attributes |= INTEL_ATTR_2TB;
2437 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
2438 meta->attributes |= INTEL_ATTR_RAID0;
2439 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
2440 meta->attributes |= INTEL_ATTR_RAID1;
2441 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5)
2442 meta->attributes |= INTEL_ATTR_RAID5;
2443 else if ((vol->v_disks_count & 1) == 0)
2444 meta->attributes |= INTEL_ATTR_RAID10;
2445 else
2446 meta->attributes |= INTEL_ATTR_RAID1E;
2447 if (pv->pv_cng)
2448 meta->attributes |= INTEL_ATTR_RAIDCNG;
2449 if (vol->v_strip_size > 131072)
2450 meta->attributes |= INTEL_ATTR_EXT_STRIP;
2451
2452 if (pv->pv_cng)
2453 cv = INTEL_VERSION_1206;
2454 else if (vol->v_disks_count > 4)
2455 cv = INTEL_VERSION_1204;
2456 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5)
2457 cv = INTEL_VERSION_1202;
2458 else if (vol->v_disks_count > 2)
2459 cv = INTEL_VERSION_1201;
2460 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
2461 cv = INTEL_VERSION_1100;
2462 else
2463 cv = INTEL_VERSION_1000;
2464 if (strcmp(cv, version) > 0)
2465 version = cv;
2466
2467 strlcpy(&mvol->name[0], vol->v_name, sizeof(mvol->name));
2468 mvol->total_sectors = vol->v_mediasize / sectorsize;
2469 mvol->state = (INTEL_ST_READ_COALESCING |
2470 INTEL_ST_WRITE_COALESCING);
2471 mvol->tid = vol->v_global_id + 1;
2472 if (pv->pv_cng) {
2473 mvol->state |= INTEL_ST_CLONE_N_GO;
2474 if (pv->pv_cng_man_sync)
2475 mvol->state |= INTEL_ST_CLONE_MAN_SYNC;
2476 mvol->cng_master_disk = pv->pv_cng_master_disk;
2477 if (vol->v_subdisks[pv->pv_cng_master_disk].sd_state ==
2478 G_RAID_SUBDISK_S_NONE)
2479 mvol->cng_state = INTEL_CNGST_MASTER_MISSING;
2480 else if (vol->v_state != G_RAID_VOLUME_S_OPTIMAL)
2481 mvol->cng_state = INTEL_CNGST_NEEDS_UPDATE;
2482 else
2483 mvol->cng_state = INTEL_CNGST_UPDATED;
2484 }
2485
2486 /* Check for any recovery in progress. */
2487 state = G_RAID_SUBDISK_S_ACTIVE;
2488 pos = 0x7fffffffffffffffllu;
2489 stale = 0;
2490 for (sdi = 0; sdi < vol->v_disks_count; sdi++) {
2491 sd = &vol->v_subdisks[sdi];
2492 if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD)
2493 state = G_RAID_SUBDISK_S_REBUILD;
2494 else if (sd->sd_state == G_RAID_SUBDISK_S_RESYNC &&
2495 state != G_RAID_SUBDISK_S_REBUILD)
2496 state = G_RAID_SUBDISK_S_RESYNC;
2497 else if (sd->sd_state == G_RAID_SUBDISK_S_STALE)
2498 stale = 1;
2499 if ((sd->sd_state == G_RAID_SUBDISK_S_REBUILD ||
2500 sd->sd_state == G_RAID_SUBDISK_S_RESYNC) &&
2501 sd->sd_rebuild_pos < pos)
2502 pos = sd->sd_rebuild_pos;
2503 }
2504 if (state == G_RAID_SUBDISK_S_REBUILD) {
2505 mvol->migr_state = 1;
2506 mvol->migr_type = INTEL_MT_REBUILD;
2507 } else if (state == G_RAID_SUBDISK_S_RESYNC) {
2508 mvol->migr_state = 1;
2509 /* mvol->migr_type = INTEL_MT_REPAIR; */
2510 mvol->migr_type = INTEL_MT_VERIFY;
2511 mvol->state |= INTEL_ST_VERIFY_AND_FIX;
2512 } else
2513 mvol->migr_state = 0;
2514 mvol->dirty = (vol->v_dirty || stale);
2515
2516 mmap0 = intel_get_map(mvol, 0);
2517
2518 /* Write map / common part of two maps. */
2519 intel_set_map_offset(mmap0, sd->sd_offset / sectorsize);
2520 intel_set_map_disk_sectors(mmap0, sd->sd_size / sectorsize);
2521 mmap0->strip_sectors = vol->v_strip_size / sectorsize;
2522 if (vol->v_state == G_RAID_VOLUME_S_BROKEN)
2523 mmap0->status = INTEL_S_FAILURE;
2524 else if (vol->v_state == G_RAID_VOLUME_S_DEGRADED)
2525 mmap0->status = INTEL_S_DEGRADED;
2526 else if (g_raid_nsubdisks(vol, G_RAID_SUBDISK_S_UNINITIALIZED)
2527 == g_raid_nsubdisks(vol, -1))
2528 mmap0->status = INTEL_S_UNINITIALIZED;
2529 else
2530 mmap0->status = INTEL_S_READY;
2531 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
2532 mmap0->type = INTEL_T_RAID0;
2533 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1 ||
2534 vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
2535 mmap0->type = INTEL_T_RAID1;
2536 else
2537 mmap0->type = INTEL_T_RAID5;
2538 mmap0->total_disks = vol->v_disks_count;
2539 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
2540 mmap0->total_domains = vol->v_disks_count;
2541 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
2542 mmap0->total_domains = 2;
2543 else
2544 mmap0->total_domains = 1;
2545 intel_set_map_stripe_count(mmap0,
2546 sd->sd_size / vol->v_strip_size / mmap0->total_domains);
2547 mmap0->failed_disk_num = 0xff;
2548 mmap0->ddf = 1;
2549
2550 /* If there are two maps - copy common and update. */
2551 if (mvol->migr_state) {
2552 intel_set_vol_curr_migr_unit(mvol,
2553 pos / vol->v_strip_size / mmap0->total_domains);
2554 mmap1 = intel_get_map(mvol, 1);
2555 memcpy(mmap1, mmap0, sizeof(struct intel_raid_map));
2556 mmap0->status = INTEL_S_READY;
2557 } else
2558 mmap1 = NULL;
2559
2560 /* Write disk indexes and put rebuild flags. */
2561 for (sdi = 0; sdi < vol->v_disks_count; sdi++) {
2562 sd = &vol->v_subdisks[sdi];
2563 pd = (struct g_raid_md_intel_perdisk *)
2564 sd->sd_disk->d_md_data;
2565 mmap0->disk_idx[sdi] = pd->pd_disk_pos;
2566 if (mvol->migr_state)
2567 mmap1->disk_idx[sdi] = pd->pd_disk_pos;
2568 if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD ||
2569 sd->sd_state == G_RAID_SUBDISK_S_RESYNC) {
2570 mmap1->disk_idx[sdi] |= INTEL_DI_RBLD;
2571 } else if (sd->sd_state != G_RAID_SUBDISK_S_ACTIVE &&
2572 sd->sd_state != G_RAID_SUBDISK_S_STALE &&
2573 sd->sd_state != G_RAID_SUBDISK_S_UNINITIALIZED) {
2574 mmap0->disk_idx[sdi] |= INTEL_DI_RBLD;
2575 if (mvol->migr_state)
2576 mmap1->disk_idx[sdi] |= INTEL_DI_RBLD;
2577 }
2578 if ((sd->sd_state == G_RAID_SUBDISK_S_NONE ||
2579 sd->sd_state == G_RAID_SUBDISK_S_FAILED ||
2580 sd->sd_state == G_RAID_SUBDISK_S_REBUILD) &&
2581 mmap0->failed_disk_num == 0xff) {
2582 mmap0->failed_disk_num = sdi;
2583 if (mvol->migr_state)
2584 mmap1->failed_disk_num = sdi;
2585 }
2586 }
2587 vi++;
2588 }
2589 meta->total_volumes = vi;
2590 if (vi > 1 || meta->attributes &
2591 (INTEL_ATTR_EXT_STRIP | INTEL_ATTR_2TB_DISK | INTEL_ATTR_2TB))
2592 version = INTEL_VERSION_1300;
2593 if (strcmp(version, INTEL_VERSION_1300) < 0)
2594 meta->attributes &= INTEL_ATTR_CHECKSUM;
2595 memcpy(&meta->version[0], version, sizeof(INTEL_VERSION_1000) - 1);
2596
2597 /* We are done. Print meta data and store them to disks. */
2598 g_raid_md_intel_print(meta);
2599 if (mdi->mdio_meta != NULL)
2600 free(mdi->mdio_meta, M_MD_INTEL);
2601 mdi->mdio_meta = meta;
2602 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2603 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2604 if (disk->d_state != G_RAID_DISK_S_ACTIVE)
2605 continue;
2606 if (pd->pd_meta != NULL) {
2607 free(pd->pd_meta, M_MD_INTEL);
2608 pd->pd_meta = NULL;
2609 }
2610 pd->pd_meta = intel_meta_copy(meta);
2611 intel_meta_write(disk->d_consumer, meta);
2612 }
2613 return (0);
2614 }
2615
2616 static int
g_raid_md_fail_disk_intel(struct g_raid_md_object * md,struct g_raid_subdisk * tsd,struct g_raid_disk * tdisk)2617 g_raid_md_fail_disk_intel(struct g_raid_md_object *md,
2618 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
2619 {
2620 struct g_raid_softc *sc;
2621 struct g_raid_md_intel_object *mdi;
2622 struct g_raid_md_intel_perdisk *pd;
2623 struct g_raid_subdisk *sd;
2624
2625 sc = md->mdo_softc;
2626 mdi = (struct g_raid_md_intel_object *)md;
2627 pd = (struct g_raid_md_intel_perdisk *)tdisk->d_md_data;
2628
2629 /* We can't fail disk that is not a part of array now. */
2630 if (pd->pd_disk_pos < 0)
2631 return (-1);
2632
2633 /*
2634 * Mark disk as failed in metadata and try to write that metadata
2635 * to the disk itself to prevent it's later resurrection as STALE.
2636 */
2637 mdi->mdio_meta->disk[pd->pd_disk_pos].flags = INTEL_F_FAILED;
2638 pd->pd_disk_meta.flags = INTEL_F_FAILED;
2639 g_raid_md_intel_print(mdi->mdio_meta);
2640 if (tdisk->d_consumer)
2641 intel_meta_write(tdisk->d_consumer, mdi->mdio_meta);
2642
2643 /* Change states. */
2644 g_raid_change_disk_state(tdisk, G_RAID_DISK_S_FAILED);
2645 TAILQ_FOREACH(sd, &tdisk->d_subdisks, sd_next) {
2646 g_raid_change_subdisk_state(sd,
2647 G_RAID_SUBDISK_S_FAILED);
2648 g_raid_event_send(sd, G_RAID_SUBDISK_E_FAILED,
2649 G_RAID_EVENT_SUBDISK);
2650 }
2651
2652 /* Write updated metadata to remaining disks. */
2653 g_raid_md_write_intel(md, NULL, NULL, tdisk);
2654
2655 /* Check if anything left except placeholders. */
2656 if (g_raid_ndisks(sc, -1) ==
2657 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
2658 g_raid_destroy_node(sc, 0);
2659 else
2660 g_raid_md_intel_refill(sc);
2661 return (0);
2662 }
2663
2664 static int
g_raid_md_free_disk_intel(struct g_raid_md_object * md,struct g_raid_disk * disk)2665 g_raid_md_free_disk_intel(struct g_raid_md_object *md,
2666 struct g_raid_disk *disk)
2667 {
2668 struct g_raid_md_intel_perdisk *pd;
2669
2670 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2671 if (pd->pd_meta != NULL) {
2672 free(pd->pd_meta, M_MD_INTEL);
2673 pd->pd_meta = NULL;
2674 }
2675 free(pd, M_MD_INTEL);
2676 disk->d_md_data = NULL;
2677 return (0);
2678 }
2679
2680 static int
g_raid_md_free_volume_intel(struct g_raid_md_object * md,struct g_raid_volume * vol)2681 g_raid_md_free_volume_intel(struct g_raid_md_object *md,
2682 struct g_raid_volume *vol)
2683 {
2684 struct g_raid_md_intel_pervolume *pv;
2685
2686 pv = (struct g_raid_md_intel_pervolume *)vol->v_md_data;
2687 free(pv, M_MD_INTEL);
2688 vol->v_md_data = NULL;
2689 return (0);
2690 }
2691
2692 static int
g_raid_md_free_intel(struct g_raid_md_object * md)2693 g_raid_md_free_intel(struct g_raid_md_object *md)
2694 {
2695 struct g_raid_md_intel_object *mdi;
2696
2697 mdi = (struct g_raid_md_intel_object *)md;
2698 if (!mdi->mdio_started) {
2699 mdi->mdio_started = 0;
2700 callout_stop(&mdi->mdio_start_co);
2701 G_RAID_DEBUG1(1, md->mdo_softc,
2702 "root_mount_rel %p", mdi->mdio_rootmount);
2703 root_mount_rel(mdi->mdio_rootmount);
2704 mdi->mdio_rootmount = NULL;
2705 }
2706 if (mdi->mdio_meta != NULL) {
2707 free(mdi->mdio_meta, M_MD_INTEL);
2708 mdi->mdio_meta = NULL;
2709 }
2710 return (0);
2711 }
2712
2713 G_RAID_MD_DECLARE(intel, "Intel");
2714