1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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 __FBSDID("$FreeBSD$");
32
33 #include <sys/param.h>
34 #include <sys/bio.h>
35 #include <sys/endian.h>
36 #include <sys/kernel.h>
37 #include <sys/kobj.h>
38 #include <sys/limits.h>
39 #include <sys/lock.h>
40 #include <sys/malloc.h>
41 #include <sys/mutex.h>
42 #include <sys/systm.h>
43 #include <sys/taskqueue.h>
44 #include <sys/disk.h>
45 #include <geom/geom.h>
46 #include "geom/raid/g_raid.h"
47 #include "g_raid_md_if.h"
48
49 static MALLOC_DEFINE(M_MD_INTEL, "md_intel_data", "GEOM_RAID Intel metadata");
50
51 struct intel_raid_map {
52 uint32_t offset;
53 uint32_t disk_sectors;
54 uint32_t stripe_count;
55 uint16_t strip_sectors;
56 uint8_t status;
57 #define INTEL_S_READY 0x00
58 #define INTEL_S_UNINITIALIZED 0x01
59 #define INTEL_S_DEGRADED 0x02
60 #define INTEL_S_FAILURE 0x03
61
62 uint8_t type;
63 #define INTEL_T_RAID0 0x00
64 #define INTEL_T_RAID1 0x01
65 #define INTEL_T_RAID5 0x05
66
67 uint8_t total_disks;
68 uint8_t total_domains;
69 uint8_t failed_disk_num;
70 uint8_t ddf;
71 uint32_t offset_hi;
72 uint32_t disk_sectors_hi;
73 uint32_t stripe_count_hi;
74 uint32_t filler_2[4];
75 uint32_t disk_idx[1]; /* total_disks entries. */
76 #define INTEL_DI_IDX 0x00ffffff
77 #define INTEL_DI_RBLD 0x01000000
78 } __packed;
79
80 struct intel_raid_vol {
81 uint8_t name[16];
82 u_int64_t total_sectors __packed;
83 uint32_t state;
84 #define INTEL_ST_BOOTABLE 0x00000001
85 #define INTEL_ST_BOOT_DEVICE 0x00000002
86 #define INTEL_ST_READ_COALESCING 0x00000004
87 #define INTEL_ST_WRITE_COALESCING 0x00000008
88 #define INTEL_ST_LAST_SHUTDOWN_DIRTY 0x00000010
89 #define INTEL_ST_HIDDEN_AT_BOOT 0x00000020
90 #define INTEL_ST_CURRENTLY_HIDDEN 0x00000040
91 #define INTEL_ST_VERIFY_AND_FIX 0x00000080
92 #define INTEL_ST_MAP_STATE_UNINIT 0x00000100
93 #define INTEL_ST_NO_AUTO_RECOVERY 0x00000200
94 #define INTEL_ST_CLONE_N_GO 0x00000400
95 #define INTEL_ST_CLONE_MAN_SYNC 0x00000800
96 #define INTEL_ST_CNG_MASTER_DISK_NUM 0x00001000
97 uint32_t reserved;
98 uint8_t migr_priority;
99 uint8_t num_sub_vols;
100 uint8_t tid;
101 uint8_t cng_master_disk;
102 uint16_t cache_policy;
103 uint8_t cng_state;
104 #define INTEL_CNGST_UPDATED 0
105 #define INTEL_CNGST_NEEDS_UPDATE 1
106 #define INTEL_CNGST_MASTER_MISSING 2
107 uint8_t cng_sub_state;
108 uint32_t filler_0[10];
109
110 uint32_t curr_migr_unit;
111 uint32_t checkpoint_id;
112 uint8_t migr_state;
113 uint8_t migr_type;
114 #define INTEL_MT_INIT 0
115 #define INTEL_MT_REBUILD 1
116 #define INTEL_MT_VERIFY 2
117 #define INTEL_MT_GEN_MIGR 3
118 #define INTEL_MT_STATE_CHANGE 4
119 #define INTEL_MT_REPAIR 5
120 uint8_t dirty;
121 uint8_t fs_state;
122 uint16_t verify_errors;
123 uint16_t bad_blocks;
124 uint32_t curr_migr_unit_hi;
125 uint32_t filler_1[3];
126 struct intel_raid_map map[1]; /* 2 entries if migr_state != 0. */
127 } __packed;
128
129 struct intel_raid_disk {
130 #define INTEL_SERIAL_LEN 16
131 uint8_t serial[INTEL_SERIAL_LEN];
132 uint32_t sectors;
133 uint32_t id;
134 uint32_t flags;
135 #define INTEL_F_SPARE 0x01
136 #define INTEL_F_ASSIGNED 0x02
137 #define INTEL_F_FAILED 0x04
138 #define INTEL_F_ONLINE 0x08
139 #define INTEL_F_DISABLED 0x80
140 uint32_t owner_cfg_num;
141 uint32_t sectors_hi;
142 uint32_t filler[3];
143 } __packed;
144
145 struct intel_raid_conf {
146 uint8_t intel_id[24];
147 #define INTEL_MAGIC "Intel Raid ISM Cfg Sig. "
148
149 uint8_t version[6];
150 #define INTEL_VERSION_1000 "1.0.00" /* RAID0 */
151 #define INTEL_VERSION_1100 "1.1.00" /* RAID1 */
152 #define INTEL_VERSION_1200 "1.2.00" /* Many volumes */
153 #define INTEL_VERSION_1201 "1.2.01" /* 3 or 4 disks */
154 #define INTEL_VERSION_1202 "1.2.02" /* RAID5 */
155 #define INTEL_VERSION_1204 "1.2.04" /* 5 or 6 disks */
156 #define INTEL_VERSION_1206 "1.2.06" /* CNG */
157 #define INTEL_VERSION_1300 "1.3.00" /* Attributes */
158
159 uint8_t dummy_0[2];
160 uint32_t checksum;
161 uint32_t config_size;
162 uint32_t config_id;
163 uint32_t generation;
164 uint32_t error_log_size;
165 uint32_t attributes;
166 #define INTEL_ATTR_RAID0 0x00000001
167 #define INTEL_ATTR_RAID1 0x00000002
168 #define INTEL_ATTR_RAID10 0x00000004
169 #define INTEL_ATTR_RAID1E 0x00000008
170 #define INTEL_ATTR_RAID5 0x00000010
171 #define INTEL_ATTR_RAIDCNG 0x00000020
172 #define INTEL_ATTR_EXT_STRIP 0x00000040
173 #define INTEL_ATTR_NVM_CACHE 0x02000000
174 #define INTEL_ATTR_2TB_DISK 0x04000000
175 #define INTEL_ATTR_BBM 0x08000000
176 #define INTEL_ATTR_NVM_CACHE2 0x10000000
177 #define INTEL_ATTR_2TB 0x20000000
178 #define INTEL_ATTR_PM 0x40000000
179 #define INTEL_ATTR_CHECKSUM 0x80000000
180
181 uint8_t total_disks;
182 uint8_t total_volumes;
183 uint8_t error_log_pos;
184 uint8_t dummy_2[1];
185 uint32_t cache_size;
186 uint32_t orig_config_id;
187 uint32_t pwr_cycle_count;
188 uint32_t bbm_log_size;
189 uint32_t filler_0[35];
190 struct intel_raid_disk disk[1]; /* total_disks entries. */
191 /* Here goes total_volumes of struct intel_raid_vol. */
192 } __packed;
193
194 #define INTEL_ATTR_SUPPORTED ( INTEL_ATTR_RAID0 | INTEL_ATTR_RAID1 | \
195 INTEL_ATTR_RAID10 | INTEL_ATTR_RAID1E | INTEL_ATTR_RAID5 | \
196 INTEL_ATTR_RAIDCNG | INTEL_ATTR_EXT_STRIP | INTEL_ATTR_2TB_DISK | \
197 INTEL_ATTR_2TB | INTEL_ATTR_PM | INTEL_ATTR_CHECKSUM )
198
199 #define INTEL_MAX_MD_SIZE(ndisks) \
200 (sizeof(struct intel_raid_conf) + \
201 sizeof(struct intel_raid_disk) * (ndisks - 1) + \
202 sizeof(struct intel_raid_vol) * 2 + \
203 sizeof(struct intel_raid_map) * 2 + \
204 sizeof(uint32_t) * (ndisks - 1) * 4)
205
206 struct g_raid_md_intel_perdisk {
207 struct intel_raid_conf *pd_meta;
208 int pd_disk_pos;
209 struct intel_raid_disk pd_disk_meta;
210 };
211
212 struct g_raid_md_intel_pervolume {
213 int pv_volume_pos;
214 int pv_cng;
215 int pv_cng_man_sync;
216 int pv_cng_master_disk;
217 };
218
219 struct g_raid_md_intel_object {
220 struct g_raid_md_object mdio_base;
221 uint32_t mdio_config_id;
222 uint32_t mdio_orig_config_id;
223 uint32_t mdio_generation;
224 struct intel_raid_conf *mdio_meta;
225 struct callout mdio_start_co; /* STARTING state timer. */
226 int mdio_disks_present;
227 int mdio_started;
228 int mdio_incomplete;
229 struct root_hold_token *mdio_rootmount; /* Root mount delay token. */
230 };
231
232 static g_raid_md_create_t g_raid_md_create_intel;
233 static g_raid_md_taste_t g_raid_md_taste_intel;
234 static g_raid_md_event_t g_raid_md_event_intel;
235 static g_raid_md_ctl_t g_raid_md_ctl_intel;
236 static g_raid_md_write_t g_raid_md_write_intel;
237 static g_raid_md_fail_disk_t g_raid_md_fail_disk_intel;
238 static g_raid_md_free_disk_t g_raid_md_free_disk_intel;
239 static g_raid_md_free_volume_t g_raid_md_free_volume_intel;
240 static g_raid_md_free_t g_raid_md_free_intel;
241
242 static kobj_method_t g_raid_md_intel_methods[] = {
243 KOBJMETHOD(g_raid_md_create, g_raid_md_create_intel),
244 KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_intel),
245 KOBJMETHOD(g_raid_md_event, g_raid_md_event_intel),
246 KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_intel),
247 KOBJMETHOD(g_raid_md_write, g_raid_md_write_intel),
248 KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_intel),
249 KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_intel),
250 KOBJMETHOD(g_raid_md_free_volume, g_raid_md_free_volume_intel),
251 KOBJMETHOD(g_raid_md_free, g_raid_md_free_intel),
252 { 0, 0 }
253 };
254
255 static struct g_raid_md_class g_raid_md_intel_class = {
256 "Intel",
257 g_raid_md_intel_methods,
258 sizeof(struct g_raid_md_intel_object),
259 .mdc_enable = 1,
260 .mdc_priority = 100
261 };
262
263
264 static struct intel_raid_map *
intel_get_map(struct intel_raid_vol * mvol,int i)265 intel_get_map(struct intel_raid_vol *mvol, int i)
266 {
267 struct intel_raid_map *mmap;
268
269 if (i > (mvol->migr_state ? 1 : 0))
270 return (NULL);
271 mmap = &mvol->map[0];
272 for (; i > 0; i--) {
273 mmap = (struct intel_raid_map *)
274 &mmap->disk_idx[mmap->total_disks];
275 }
276 return ((struct intel_raid_map *)mmap);
277 }
278
279 static struct intel_raid_vol *
intel_get_volume(struct intel_raid_conf * meta,int i)280 intel_get_volume(struct intel_raid_conf *meta, int i)
281 {
282 struct intel_raid_vol *mvol;
283 struct intel_raid_map *mmap;
284
285 if (i > 1)
286 return (NULL);
287 mvol = (struct intel_raid_vol *)&meta->disk[meta->total_disks];
288 for (; i > 0; i--) {
289 mmap = intel_get_map(mvol, mvol->migr_state ? 1 : 0);
290 mvol = (struct intel_raid_vol *)
291 &mmap->disk_idx[mmap->total_disks];
292 }
293 return (mvol);
294 }
295
296 static off_t
intel_get_map_offset(struct intel_raid_map * mmap)297 intel_get_map_offset(struct intel_raid_map *mmap)
298 {
299 off_t offset = (off_t)mmap->offset_hi << 32;
300
301 offset += mmap->offset;
302 return (offset);
303 }
304
305 static void
intel_set_map_offset(struct intel_raid_map * mmap,off_t offset)306 intel_set_map_offset(struct intel_raid_map *mmap, off_t offset)
307 {
308
309 mmap->offset = offset & 0xffffffff;
310 mmap->offset_hi = offset >> 32;
311 }
312
313 static off_t
intel_get_map_disk_sectors(struct intel_raid_map * mmap)314 intel_get_map_disk_sectors(struct intel_raid_map *mmap)
315 {
316 off_t disk_sectors = (off_t)mmap->disk_sectors_hi << 32;
317
318 disk_sectors += mmap->disk_sectors;
319 return (disk_sectors);
320 }
321
322 static void
intel_set_map_disk_sectors(struct intel_raid_map * mmap,off_t disk_sectors)323 intel_set_map_disk_sectors(struct intel_raid_map *mmap, off_t disk_sectors)
324 {
325
326 mmap->disk_sectors = disk_sectors & 0xffffffff;
327 mmap->disk_sectors_hi = disk_sectors >> 32;
328 }
329
330 static void
intel_set_map_stripe_count(struct intel_raid_map * mmap,off_t stripe_count)331 intel_set_map_stripe_count(struct intel_raid_map *mmap, off_t stripe_count)
332 {
333
334 mmap->stripe_count = stripe_count & 0xffffffff;
335 mmap->stripe_count_hi = stripe_count >> 32;
336 }
337
338 static off_t
intel_get_disk_sectors(struct intel_raid_disk * disk)339 intel_get_disk_sectors(struct intel_raid_disk *disk)
340 {
341 off_t sectors = (off_t)disk->sectors_hi << 32;
342
343 sectors += disk->sectors;
344 return (sectors);
345 }
346
347 static void
intel_set_disk_sectors(struct intel_raid_disk * disk,off_t sectors)348 intel_set_disk_sectors(struct intel_raid_disk *disk, off_t sectors)
349 {
350
351 disk->sectors = sectors & 0xffffffff;
352 disk->sectors_hi = sectors >> 32;
353 }
354
355 static off_t
intel_get_vol_curr_migr_unit(struct intel_raid_vol * vol)356 intel_get_vol_curr_migr_unit(struct intel_raid_vol *vol)
357 {
358 off_t curr_migr_unit = (off_t)vol->curr_migr_unit_hi << 32;
359
360 curr_migr_unit += vol->curr_migr_unit;
361 return (curr_migr_unit);
362 }
363
364 static void
intel_set_vol_curr_migr_unit(struct intel_raid_vol * vol,off_t curr_migr_unit)365 intel_set_vol_curr_migr_unit(struct intel_raid_vol *vol, off_t curr_migr_unit)
366 {
367
368 vol->curr_migr_unit = curr_migr_unit & 0xffffffff;
369 vol->curr_migr_unit_hi = curr_migr_unit >> 32;
370 }
371
372 static char *
intel_status2str(int status)373 intel_status2str(int status)
374 {
375
376 switch (status) {
377 case INTEL_S_READY:
378 return ("READY");
379 case INTEL_S_UNINITIALIZED:
380 return ("UNINITIALIZED");
381 case INTEL_S_DEGRADED:
382 return ("DEGRADED");
383 case INTEL_S_FAILURE:
384 return ("FAILURE");
385 default:
386 return ("UNKNOWN");
387 }
388 }
389
390 static char *
intel_type2str(int type)391 intel_type2str(int type)
392 {
393
394 switch (type) {
395 case INTEL_T_RAID0:
396 return ("RAID0");
397 case INTEL_T_RAID1:
398 return ("RAID1");
399 case INTEL_T_RAID5:
400 return ("RAID5");
401 default:
402 return ("UNKNOWN");
403 }
404 }
405
406 static char *
intel_cngst2str(int cng_state)407 intel_cngst2str(int cng_state)
408 {
409
410 switch (cng_state) {
411 case INTEL_CNGST_UPDATED:
412 return ("UPDATED");
413 case INTEL_CNGST_NEEDS_UPDATE:
414 return ("NEEDS_UPDATE");
415 case INTEL_CNGST_MASTER_MISSING:
416 return ("MASTER_MISSING");
417 default:
418 return ("UNKNOWN");
419 }
420 }
421
422 static char *
intel_mt2str(int type)423 intel_mt2str(int type)
424 {
425
426 switch (type) {
427 case INTEL_MT_INIT:
428 return ("INIT");
429 case INTEL_MT_REBUILD:
430 return ("REBUILD");
431 case INTEL_MT_VERIFY:
432 return ("VERIFY");
433 case INTEL_MT_GEN_MIGR:
434 return ("GEN_MIGR");
435 case INTEL_MT_STATE_CHANGE:
436 return ("STATE_CHANGE");
437 case INTEL_MT_REPAIR:
438 return ("REPAIR");
439 default:
440 return ("UNKNOWN");
441 }
442 }
443
444 static void
g_raid_md_intel_print(struct intel_raid_conf * meta)445 g_raid_md_intel_print(struct intel_raid_conf *meta)
446 {
447 struct intel_raid_vol *mvol;
448 struct intel_raid_map *mmap;
449 int i, j, k;
450
451 if (g_raid_debug < 1)
452 return;
453
454 printf("********* ATA Intel MatrixRAID Metadata *********\n");
455 printf("intel_id <%.24s>\n", meta->intel_id);
456 printf("version <%.6s>\n", meta->version);
457 printf("checksum 0x%08x\n", meta->checksum);
458 printf("config_size 0x%08x\n", meta->config_size);
459 printf("config_id 0x%08x\n", meta->config_id);
460 printf("generation 0x%08x\n", meta->generation);
461 printf("error_log_size %d\n", meta->error_log_size);
462 printf("attributes 0x%b\n", meta->attributes,
463 "\020"
464 "\001RAID0"
465 "\002RAID1"
466 "\003RAID10"
467 "\004RAID1E"
468 "\005RAID15"
469 "\006RAIDCNG"
470 "\007EXT_STRIP"
471 "\032NVM_CACHE"
472 "\0332TB_DISK"
473 "\034BBM"
474 "\035NVM_CACHE"
475 "\0362TB"
476 "\037PM"
477 "\040CHECKSUM");
478 printf("total_disks %u\n", meta->total_disks);
479 printf("total_volumes %u\n", meta->total_volumes);
480 printf("error_log_pos %u\n", meta->error_log_pos);
481 printf("cache_size %u\n", meta->cache_size);
482 printf("orig_config_id 0x%08x\n", meta->orig_config_id);
483 printf("pwr_cycle_count %u\n", meta->pwr_cycle_count);
484 printf("bbm_log_size %u\n", meta->bbm_log_size);
485 printf("Flags: S - Spare, A - Assigned, F - Failed, O - Online, D - Disabled\n");
486 printf("DISK# serial disk_sectors disk_sectors_hi disk_id flags owner\n");
487 for (i = 0; i < meta->total_disks; i++ ) {
488 printf(" %d <%.16s> %u %u 0x%08x 0x%b %08x\n", i,
489 meta->disk[i].serial, meta->disk[i].sectors,
490 meta->disk[i].sectors_hi, meta->disk[i].id,
491 meta->disk[i].flags, "\20\01S\02A\03F\04O\05D",
492 meta->disk[i].owner_cfg_num);
493 }
494 for (i = 0; i < meta->total_volumes; i++) {
495 mvol = intel_get_volume(meta, i);
496 printf(" ****** Volume %d ******\n", i);
497 printf(" name %.16s\n", mvol->name);
498 printf(" total_sectors %ju\n", mvol->total_sectors);
499 printf(" state 0x%b\n", mvol->state,
500 "\020"
501 "\001BOOTABLE"
502 "\002BOOT_DEVICE"
503 "\003READ_COALESCING"
504 "\004WRITE_COALESCING"
505 "\005LAST_SHUTDOWN_DIRTY"
506 "\006HIDDEN_AT_BOOT"
507 "\007CURRENTLY_HIDDEN"
508 "\010VERIFY_AND_FIX"
509 "\011MAP_STATE_UNINIT"
510 "\012NO_AUTO_RECOVERY"
511 "\013CLONE_N_GO"
512 "\014CLONE_MAN_SYNC"
513 "\015CNG_MASTER_DISK_NUM");
514 printf(" reserved %u\n", mvol->reserved);
515 printf(" migr_priority %u\n", mvol->migr_priority);
516 printf(" num_sub_vols %u\n", mvol->num_sub_vols);
517 printf(" tid %u\n", mvol->tid);
518 printf(" cng_master_disk %u\n", mvol->cng_master_disk);
519 printf(" cache_policy %u\n", mvol->cache_policy);
520 printf(" cng_state %u (%s)\n", mvol->cng_state,
521 intel_cngst2str(mvol->cng_state));
522 printf(" cng_sub_state %u\n", mvol->cng_sub_state);
523 printf(" curr_migr_unit %u\n", mvol->curr_migr_unit);
524 printf(" curr_migr_unit_hi %u\n", mvol->curr_migr_unit_hi);
525 printf(" checkpoint_id %u\n", mvol->checkpoint_id);
526 printf(" migr_state %u\n", mvol->migr_state);
527 printf(" migr_type %u (%s)\n", mvol->migr_type,
528 intel_mt2str(mvol->migr_type));
529 printf(" dirty %u\n", mvol->dirty);
530 printf(" fs_state %u\n", mvol->fs_state);
531 printf(" verify_errors %u\n", mvol->verify_errors);
532 printf(" bad_blocks %u\n", mvol->bad_blocks);
533
534 for (j = 0; j < (mvol->migr_state ? 2 : 1); j++) {
535 printf(" *** Map %d ***\n", j);
536 mmap = intel_get_map(mvol, j);
537 printf(" offset %u\n", mmap->offset);
538 printf(" offset_hi %u\n", mmap->offset_hi);
539 printf(" disk_sectors %u\n", mmap->disk_sectors);
540 printf(" disk_sectors_hi %u\n", mmap->disk_sectors_hi);
541 printf(" stripe_count %u\n", mmap->stripe_count);
542 printf(" stripe_count_hi %u\n", mmap->stripe_count_hi);
543 printf(" strip_sectors %u\n", mmap->strip_sectors);
544 printf(" status %u (%s)\n", mmap->status,
545 intel_status2str(mmap->status));
546 printf(" type %u (%s)\n", mmap->type,
547 intel_type2str(mmap->type));
548 printf(" total_disks %u\n", mmap->total_disks);
549 printf(" total_domains %u\n", mmap->total_domains);
550 printf(" failed_disk_num %u\n", mmap->failed_disk_num);
551 printf(" ddf %u\n", mmap->ddf);
552 printf(" disk_idx ");
553 for (k = 0; k < mmap->total_disks; k++)
554 printf(" 0x%08x", mmap->disk_idx[k]);
555 printf("\n");
556 }
557 }
558 printf("=================================================\n");
559 }
560
561 static struct intel_raid_conf *
intel_meta_copy(struct intel_raid_conf * meta)562 intel_meta_copy(struct intel_raid_conf *meta)
563 {
564 struct intel_raid_conf *nmeta;
565
566 nmeta = malloc(meta->config_size, M_MD_INTEL, M_WAITOK);
567 memcpy(nmeta, meta, meta->config_size);
568 return (nmeta);
569 }
570
571 static int
intel_meta_find_disk(struct intel_raid_conf * meta,char * serial)572 intel_meta_find_disk(struct intel_raid_conf *meta, char *serial)
573 {
574 int pos;
575
576 for (pos = 0; pos < meta->total_disks; pos++) {
577 if (strncmp(meta->disk[pos].serial,
578 serial, INTEL_SERIAL_LEN) == 0)
579 return (pos);
580 }
581 return (-1);
582 }
583
584 static struct intel_raid_conf *
intel_meta_read(struct g_consumer * cp)585 intel_meta_read(struct g_consumer *cp)
586 {
587 struct g_provider *pp;
588 struct intel_raid_conf *meta;
589 struct intel_raid_vol *mvol;
590 struct intel_raid_map *mmap, *mmap1;
591 char *buf;
592 int error, i, j, k, left, size;
593 uint32_t checksum, *ptr;
594
595 pp = cp->provider;
596
597 /* Read the anchor sector. */
598 buf = g_read_data(cp,
599 pp->mediasize - pp->sectorsize * 2, pp->sectorsize, &error);
600 if (buf == NULL) {
601 G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).",
602 pp->name, error);
603 return (NULL);
604 }
605 meta = (struct intel_raid_conf *)buf;
606
607 /* Check if this is an Intel RAID struct */
608 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) {
609 G_RAID_DEBUG(1, "Intel signature check failed on %s", pp->name);
610 g_free(buf);
611 return (NULL);
612 }
613 if (meta->config_size > 65536 ||
614 meta->config_size < sizeof(struct intel_raid_conf)) {
615 G_RAID_DEBUG(1, "Intel metadata size looks wrong: %d",
616 meta->config_size);
617 g_free(buf);
618 return (NULL);
619 }
620 size = meta->config_size;
621 meta = malloc(size, M_MD_INTEL, M_WAITOK);
622 memcpy(meta, buf, min(size, pp->sectorsize));
623 g_free(buf);
624
625 /* Read all the rest, if needed. */
626 if (meta->config_size > pp->sectorsize) {
627 left = (meta->config_size - 1) / pp->sectorsize;
628 buf = g_read_data(cp,
629 pp->mediasize - pp->sectorsize * (2 + left),
630 pp->sectorsize * left, &error);
631 if (buf == NULL) {
632 G_RAID_DEBUG(1, "Cannot read remaining metadata"
633 " part from %s (error=%d).",
634 pp->name, error);
635 free(meta, M_MD_INTEL);
636 return (NULL);
637 }
638 memcpy(((char *)meta) + pp->sectorsize, buf,
639 pp->sectorsize * left);
640 g_free(buf);
641 }
642
643 /* Check metadata checksum. */
644 for (checksum = 0, ptr = (uint32_t *)meta, i = 0;
645 i < (meta->config_size / sizeof(uint32_t)); i++) {
646 checksum += *ptr++;
647 }
648 checksum -= meta->checksum;
649 if (checksum != meta->checksum) {
650 G_RAID_DEBUG(1, "Intel checksum check failed on %s", pp->name);
651 free(meta, M_MD_INTEL);
652 return (NULL);
653 }
654
655 /* Validate metadata size. */
656 size = sizeof(struct intel_raid_conf) +
657 sizeof(struct intel_raid_disk) * (meta->total_disks - 1) +
658 sizeof(struct intel_raid_vol) * meta->total_volumes;
659 if (size > meta->config_size) {
660 badsize:
661 G_RAID_DEBUG(1, "Intel metadata size incorrect %d < %d",
662 meta->config_size, size);
663 free(meta, M_MD_INTEL);
664 return (NULL);
665 }
666 for (i = 0; i < meta->total_volumes; i++) {
667 mvol = intel_get_volume(meta, i);
668 mmap = intel_get_map(mvol, 0);
669 size += 4 * (mmap->total_disks - 1);
670 if (size > meta->config_size)
671 goto badsize;
672 if (mvol->migr_state) {
673 size += sizeof(struct intel_raid_map);
674 if (size > meta->config_size)
675 goto badsize;
676 mmap = intel_get_map(mvol, 1);
677 size += 4 * (mmap->total_disks - 1);
678 if (size > meta->config_size)
679 goto badsize;
680 }
681 }
682
683 g_raid_md_intel_print(meta);
684
685 if (strncmp(meta->version, INTEL_VERSION_1300, 6) > 0) {
686 G_RAID_DEBUG(1, "Intel unsupported version: '%.6s'",
687 meta->version);
688 free(meta, M_MD_INTEL);
689 return (NULL);
690 }
691
692 if (strncmp(meta->version, INTEL_VERSION_1300, 6) >= 0 &&
693 (meta->attributes & ~INTEL_ATTR_SUPPORTED) != 0) {
694 G_RAID_DEBUG(1, "Intel unsupported attributes: 0x%08x",
695 meta->attributes & ~INTEL_ATTR_SUPPORTED);
696 free(meta, M_MD_INTEL);
697 return (NULL);
698 }
699
700 /* Validate disk indexes. */
701 for (i = 0; i < meta->total_volumes; i++) {
702 mvol = intel_get_volume(meta, i);
703 for (j = 0; j < (mvol->migr_state ? 2 : 1); j++) {
704 mmap = intel_get_map(mvol, j);
705 for (k = 0; k < mmap->total_disks; k++) {
706 if ((mmap->disk_idx[k] & INTEL_DI_IDX) >
707 meta->total_disks) {
708 G_RAID_DEBUG(1, "Intel metadata disk"
709 " index %d too big (>%d)",
710 mmap->disk_idx[k] & INTEL_DI_IDX,
711 meta->total_disks);
712 free(meta, M_MD_INTEL);
713 return (NULL);
714 }
715 }
716 }
717 }
718
719 /* Validate migration types. */
720 for (i = 0; i < meta->total_volumes; i++) {
721 mvol = intel_get_volume(meta, i);
722 /* Deny unknown migration types. */
723 if (mvol->migr_state &&
724 mvol->migr_type != INTEL_MT_INIT &&
725 mvol->migr_type != INTEL_MT_REBUILD &&
726 mvol->migr_type != INTEL_MT_VERIFY &&
727 mvol->migr_type != INTEL_MT_GEN_MIGR &&
728 mvol->migr_type != INTEL_MT_REPAIR) {
729 G_RAID_DEBUG(1, "Intel metadata has unsupported"
730 " migration type %d", mvol->migr_type);
731 free(meta, M_MD_INTEL);
732 return (NULL);
733 }
734 /* Deny general migrations except SINGLE->RAID1. */
735 if (mvol->migr_state &&
736 mvol->migr_type == INTEL_MT_GEN_MIGR) {
737 mmap = intel_get_map(mvol, 0);
738 mmap1 = intel_get_map(mvol, 1);
739 if (mmap1->total_disks != 1 ||
740 mmap->type != INTEL_T_RAID1 ||
741 mmap->total_disks != 2 ||
742 mmap->offset != mmap1->offset ||
743 mmap->disk_sectors != mmap1->disk_sectors ||
744 mmap->total_domains != mmap->total_disks ||
745 mmap->offset_hi != mmap1->offset_hi ||
746 mmap->disk_sectors_hi != mmap1->disk_sectors_hi ||
747 (mmap->disk_idx[0] != mmap1->disk_idx[0] &&
748 mmap->disk_idx[0] != mmap1->disk_idx[1])) {
749 G_RAID_DEBUG(1, "Intel metadata has unsupported"
750 " variant of general migration");
751 free(meta, M_MD_INTEL);
752 return (NULL);
753 }
754 }
755 }
756
757 return (meta);
758 }
759
760 static int
intel_meta_write(struct g_consumer * cp,struct intel_raid_conf * meta)761 intel_meta_write(struct g_consumer *cp, struct intel_raid_conf *meta)
762 {
763 struct g_provider *pp;
764 char *buf;
765 int error, i, sectors;
766 uint32_t checksum, *ptr;
767
768 pp = cp->provider;
769
770 /* Recalculate checksum for case if metadata were changed. */
771 meta->checksum = 0;
772 for (checksum = 0, ptr = (uint32_t *)meta, i = 0;
773 i < (meta->config_size / sizeof(uint32_t)); i++) {
774 checksum += *ptr++;
775 }
776 meta->checksum = checksum;
777
778 /* Create and fill buffer. */
779 sectors = howmany(meta->config_size, pp->sectorsize);
780 buf = malloc(sectors * pp->sectorsize, M_MD_INTEL, M_WAITOK | M_ZERO);
781 if (sectors > 1) {
782 memcpy(buf, ((char *)meta) + pp->sectorsize,
783 (sectors - 1) * pp->sectorsize);
784 }
785 memcpy(buf + (sectors - 1) * pp->sectorsize, meta, pp->sectorsize);
786
787 error = g_write_data(cp,
788 pp->mediasize - pp->sectorsize * (1 + sectors),
789 buf, pp->sectorsize * sectors);
790 if (error != 0) {
791 G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).",
792 pp->name, error);
793 }
794
795 free(buf, M_MD_INTEL);
796 return (error);
797 }
798
799 static int
intel_meta_erase(struct g_consumer * cp)800 intel_meta_erase(struct g_consumer *cp)
801 {
802 struct g_provider *pp;
803 char *buf;
804 int error;
805
806 pp = cp->provider;
807 buf = malloc(pp->sectorsize, M_MD_INTEL, M_WAITOK | M_ZERO);
808 error = g_write_data(cp,
809 pp->mediasize - 2 * pp->sectorsize,
810 buf, pp->sectorsize);
811 if (error != 0) {
812 G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).",
813 pp->name, error);
814 }
815 free(buf, M_MD_INTEL);
816 return (error);
817 }
818
819 static int
intel_meta_write_spare(struct g_consumer * cp,struct intel_raid_disk * d)820 intel_meta_write_spare(struct g_consumer *cp, struct intel_raid_disk *d)
821 {
822 struct intel_raid_conf *meta;
823 int error;
824
825 /* Fill anchor and single disk. */
826 meta = malloc(INTEL_MAX_MD_SIZE(1), M_MD_INTEL, M_WAITOK | M_ZERO);
827 memcpy(&meta->intel_id[0], INTEL_MAGIC, sizeof(INTEL_MAGIC) - 1);
828 memcpy(&meta->version[0], INTEL_VERSION_1000,
829 sizeof(INTEL_VERSION_1000) - 1);
830 meta->config_size = INTEL_MAX_MD_SIZE(1);
831 meta->config_id = meta->orig_config_id = arc4random();
832 meta->generation = 1;
833 meta->total_disks = 1;
834 meta->disk[0] = *d;
835 error = intel_meta_write(cp, meta);
836 free(meta, M_MD_INTEL);
837 return (error);
838 }
839
840 static struct g_raid_disk *
g_raid_md_intel_get_disk(struct g_raid_softc * sc,int id)841 g_raid_md_intel_get_disk(struct g_raid_softc *sc, int id)
842 {
843 struct g_raid_disk *disk;
844 struct g_raid_md_intel_perdisk *pd;
845
846 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
847 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
848 if (pd->pd_disk_pos == id)
849 break;
850 }
851 return (disk);
852 }
853
854 static int
g_raid_md_intel_supported(int level,int qual,int disks,int force)855 g_raid_md_intel_supported(int level, int qual, int disks, int force)
856 {
857
858 switch (level) {
859 case G_RAID_VOLUME_RL_RAID0:
860 if (disks < 1)
861 return (0);
862 if (!force && (disks < 2 || disks > 6))
863 return (0);
864 break;
865 case G_RAID_VOLUME_RL_RAID1:
866 if (disks < 1)
867 return (0);
868 if (!force && (disks != 2))
869 return (0);
870 break;
871 case G_RAID_VOLUME_RL_RAID1E:
872 if (disks < 2)
873 return (0);
874 if (!force && (disks != 4))
875 return (0);
876 break;
877 case G_RAID_VOLUME_RL_RAID5:
878 if (disks < 3)
879 return (0);
880 if (!force && disks > 6)
881 return (0);
882 if (qual != G_RAID_VOLUME_RLQ_R5LA)
883 return (0);
884 break;
885 default:
886 return (0);
887 }
888 if (level != G_RAID_VOLUME_RL_RAID5 && qual != G_RAID_VOLUME_RLQ_NONE)
889 return (0);
890 return (1);
891 }
892
893 static struct g_raid_volume *
g_raid_md_intel_get_volume(struct g_raid_softc * sc,int id)894 g_raid_md_intel_get_volume(struct g_raid_softc *sc, int id)
895 {
896 struct g_raid_volume *mvol;
897 struct g_raid_md_intel_pervolume *pv;
898
899 TAILQ_FOREACH(mvol, &sc->sc_volumes, v_next) {
900 pv = mvol->v_md_data;
901 if (pv->pv_volume_pos == id)
902 break;
903 }
904 return (mvol);
905 }
906
907 static int
g_raid_md_intel_start_disk(struct g_raid_disk * disk)908 g_raid_md_intel_start_disk(struct g_raid_disk *disk)
909 {
910 struct g_raid_softc *sc;
911 struct g_raid_subdisk *sd, *tmpsd;
912 struct g_raid_disk *olddisk, *tmpdisk;
913 struct g_raid_md_object *md;
914 struct g_raid_md_intel_object *mdi;
915 struct g_raid_md_intel_pervolume *pv;
916 struct g_raid_md_intel_perdisk *pd, *oldpd;
917 struct intel_raid_conf *meta;
918 struct intel_raid_vol *mvol;
919 struct intel_raid_map *mmap0, *mmap1;
920 int disk_pos, resurrection = 0, migr_global, i;
921
922 sc = disk->d_softc;
923 md = sc->sc_md;
924 mdi = (struct g_raid_md_intel_object *)md;
925 meta = mdi->mdio_meta;
926 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
927 olddisk = NULL;
928
929 /* Find disk position in metadata by its serial. */
930 disk_pos = intel_meta_find_disk(meta, pd->pd_disk_meta.serial);
931 if (disk_pos < 0) {
932 G_RAID_DEBUG1(1, sc, "Unknown, probably new or stale disk");
933 /* Failed stale disk is useless for us. */
934 if ((pd->pd_disk_meta.flags & INTEL_F_FAILED) &&
935 !(pd->pd_disk_meta.flags & INTEL_F_DISABLED)) {
936 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE_FAILED);
937 return (0);
938 }
939 /* If we are in the start process, that's all for now. */
940 if (!mdi->mdio_started)
941 goto nofit;
942 /*
943 * If we have already started - try to get use of the disk.
944 * Try to replace OFFLINE disks first, then FAILED.
945 */
946 TAILQ_FOREACH(tmpdisk, &sc->sc_disks, d_next) {
947 if (tmpdisk->d_state != G_RAID_DISK_S_OFFLINE &&
948 tmpdisk->d_state != G_RAID_DISK_S_FAILED)
949 continue;
950 /* Make sure this disk is big enough. */
951 TAILQ_FOREACH(sd, &tmpdisk->d_subdisks, sd_next) {
952 off_t disk_sectors =
953 intel_get_disk_sectors(&pd->pd_disk_meta);
954
955 if (sd->sd_offset + sd->sd_size + 4096 >
956 disk_sectors * 512) {
957 G_RAID_DEBUG1(1, sc,
958 "Disk too small (%llu < %llu)",
959 (unsigned long long)
960 disk_sectors * 512,
961 (unsigned long long)
962 sd->sd_offset + sd->sd_size + 4096);
963 break;
964 }
965 }
966 if (sd != NULL)
967 continue;
968 if (tmpdisk->d_state == G_RAID_DISK_S_OFFLINE) {
969 olddisk = tmpdisk;
970 break;
971 } else if (olddisk == NULL)
972 olddisk = tmpdisk;
973 }
974 if (olddisk == NULL) {
975 nofit:
976 if (pd->pd_disk_meta.flags & INTEL_F_SPARE) {
977 g_raid_change_disk_state(disk,
978 G_RAID_DISK_S_SPARE);
979 return (1);
980 } else {
981 g_raid_change_disk_state(disk,
982 G_RAID_DISK_S_STALE);
983 return (0);
984 }
985 }
986 oldpd = (struct g_raid_md_intel_perdisk *)olddisk->d_md_data;
987 disk_pos = oldpd->pd_disk_pos;
988 resurrection = 1;
989 }
990
991 if (olddisk == NULL) {
992 /* Find placeholder by position. */
993 olddisk = g_raid_md_intel_get_disk(sc, disk_pos);
994 if (olddisk == NULL)
995 panic("No disk at position %d!", disk_pos);
996 if (olddisk->d_state != G_RAID_DISK_S_OFFLINE) {
997 G_RAID_DEBUG1(1, sc, "More than one disk for pos %d",
998 disk_pos);
999 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE);
1000 return (0);
1001 }
1002 oldpd = (struct g_raid_md_intel_perdisk *)olddisk->d_md_data;
1003 }
1004
1005 /* Replace failed disk or placeholder with new disk. */
1006 TAILQ_FOREACH_SAFE(sd, &olddisk->d_subdisks, sd_next, tmpsd) {
1007 TAILQ_REMOVE(&olddisk->d_subdisks, sd, sd_next);
1008 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1009 sd->sd_disk = disk;
1010 }
1011 oldpd->pd_disk_pos = -2;
1012 pd->pd_disk_pos = disk_pos;
1013
1014 /* If it was placeholder -- destroy it. */
1015 if (olddisk->d_state == G_RAID_DISK_S_OFFLINE) {
1016 g_raid_destroy_disk(olddisk);
1017 } else {
1018 /* Otherwise, make it STALE_FAILED. */
1019 g_raid_change_disk_state(olddisk, G_RAID_DISK_S_STALE_FAILED);
1020 /* Update global metadata just in case. */
1021 memcpy(&meta->disk[disk_pos], &pd->pd_disk_meta,
1022 sizeof(struct intel_raid_disk));
1023 }
1024
1025 /* Welcome the new disk. */
1026 if ((meta->disk[disk_pos].flags & INTEL_F_DISABLED) &&
1027 !(pd->pd_disk_meta.flags & INTEL_F_SPARE))
1028 g_raid_change_disk_state(disk, G_RAID_DISK_S_DISABLED);
1029 else if (resurrection)
1030 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
1031 else if (meta->disk[disk_pos].flags & INTEL_F_FAILED)
1032 g_raid_change_disk_state(disk, G_RAID_DISK_S_FAILED);
1033 else if (meta->disk[disk_pos].flags & INTEL_F_SPARE)
1034 g_raid_change_disk_state(disk, G_RAID_DISK_S_SPARE);
1035 else
1036 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
1037 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
1038 pv = sd->sd_volume->v_md_data;
1039 mvol = intel_get_volume(meta, pv->pv_volume_pos);
1040 mmap0 = intel_get_map(mvol, 0);
1041 if (mvol->migr_state)
1042 mmap1 = intel_get_map(mvol, 1);
1043 else
1044 mmap1 = mmap0;
1045
1046 migr_global = 1;
1047 for (i = 0; i < mmap0->total_disks; i++) {
1048 if ((mmap0->disk_idx[i] & INTEL_DI_RBLD) == 0 &&
1049 (mmap1->disk_idx[i] & INTEL_DI_RBLD) != 0)
1050 migr_global = 0;
1051 }
1052
1053 if ((meta->disk[disk_pos].flags & INTEL_F_DISABLED) &&
1054 !(pd->pd_disk_meta.flags & INTEL_F_SPARE)) {
1055 /* Disabled disk, useless. */
1056 g_raid_change_subdisk_state(sd,
1057 G_RAID_SUBDISK_S_NONE);
1058 } else if (resurrection) {
1059 /* Stale disk, almost same as new. */
1060 g_raid_change_subdisk_state(sd,
1061 G_RAID_SUBDISK_S_NEW);
1062 } else if (meta->disk[disk_pos].flags & INTEL_F_FAILED) {
1063 /* Failed disk, almost useless. */
1064 g_raid_change_subdisk_state(sd,
1065 G_RAID_SUBDISK_S_FAILED);
1066 } else if (mvol->migr_state == 0) {
1067 if (mmap0->status == INTEL_S_UNINITIALIZED &&
1068 (!pv->pv_cng || pv->pv_cng_master_disk != disk_pos)) {
1069 /* Freshly created uninitialized volume. */
1070 g_raid_change_subdisk_state(sd,
1071 G_RAID_SUBDISK_S_UNINITIALIZED);
1072 } else if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
1073 /* Freshly inserted disk. */
1074 g_raid_change_subdisk_state(sd,
1075 G_RAID_SUBDISK_S_NEW);
1076 } else if (mvol->dirty && (!pv->pv_cng ||
1077 pv->pv_cng_master_disk != disk_pos)) {
1078 /* Dirty volume (unclean shutdown). */
1079 g_raid_change_subdisk_state(sd,
1080 G_RAID_SUBDISK_S_STALE);
1081 } else {
1082 /* Up to date disk. */
1083 g_raid_change_subdisk_state(sd,
1084 G_RAID_SUBDISK_S_ACTIVE);
1085 }
1086 } else if (mvol->migr_type == INTEL_MT_INIT ||
1087 mvol->migr_type == INTEL_MT_REBUILD) {
1088 if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
1089 /* Freshly inserted disk. */
1090 g_raid_change_subdisk_state(sd,
1091 G_RAID_SUBDISK_S_NEW);
1092 } else if (mmap1->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
1093 /* Rebuilding disk. */
1094 g_raid_change_subdisk_state(sd,
1095 G_RAID_SUBDISK_S_REBUILD);
1096 if (mvol->dirty) {
1097 sd->sd_rebuild_pos = 0;
1098 } else {
1099 sd->sd_rebuild_pos =
1100 intel_get_vol_curr_migr_unit(mvol) *
1101 sd->sd_volume->v_strip_size *
1102 mmap0->total_domains;
1103 }
1104 } else if (mvol->migr_type == INTEL_MT_INIT &&
1105 migr_global) {
1106 /* Freshly created uninitialized volume. */
1107 g_raid_change_subdisk_state(sd,
1108 G_RAID_SUBDISK_S_UNINITIALIZED);
1109 } else if (mvol->dirty && (!pv->pv_cng ||
1110 pv->pv_cng_master_disk != disk_pos)) {
1111 /* Dirty volume (unclean shutdown). */
1112 g_raid_change_subdisk_state(sd,
1113 G_RAID_SUBDISK_S_STALE);
1114 } else {
1115 /* Up to date disk. */
1116 g_raid_change_subdisk_state(sd,
1117 G_RAID_SUBDISK_S_ACTIVE);
1118 }
1119 } else if (mvol->migr_type == INTEL_MT_VERIFY ||
1120 mvol->migr_type == INTEL_MT_REPAIR) {
1121 if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
1122 /* Freshly inserted disk. */
1123 g_raid_change_subdisk_state(sd,
1124 G_RAID_SUBDISK_S_NEW);
1125 } else if ((mmap1->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) ||
1126 migr_global) {
1127 /* Resyncing disk. */
1128 g_raid_change_subdisk_state(sd,
1129 G_RAID_SUBDISK_S_RESYNC);
1130 if (mvol->dirty) {
1131 sd->sd_rebuild_pos = 0;
1132 } else {
1133 sd->sd_rebuild_pos =
1134 intel_get_vol_curr_migr_unit(mvol) *
1135 sd->sd_volume->v_strip_size *
1136 mmap0->total_domains;
1137 }
1138 } else if (mvol->dirty) {
1139 /* Dirty volume (unclean shutdown). */
1140 g_raid_change_subdisk_state(sd,
1141 G_RAID_SUBDISK_S_STALE);
1142 } else {
1143 /* Up to date disk. */
1144 g_raid_change_subdisk_state(sd,
1145 G_RAID_SUBDISK_S_ACTIVE);
1146 }
1147 } else if (mvol->migr_type == INTEL_MT_GEN_MIGR) {
1148 if ((mmap1->disk_idx[0] & INTEL_DI_IDX) != disk_pos) {
1149 /* Freshly inserted disk. */
1150 g_raid_change_subdisk_state(sd,
1151 G_RAID_SUBDISK_S_NEW);
1152 } else {
1153 /* Up to date disk. */
1154 g_raid_change_subdisk_state(sd,
1155 G_RAID_SUBDISK_S_ACTIVE);
1156 }
1157 }
1158 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
1159 G_RAID_EVENT_SUBDISK);
1160 }
1161
1162 /* Update status of our need for spare. */
1163 if (mdi->mdio_started) {
1164 mdi->mdio_incomplete =
1165 (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) +
1166 g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED) <
1167 meta->total_disks);
1168 }
1169
1170 return (resurrection);
1171 }
1172
1173 static void
g_disk_md_intel_retaste(void * arg,int pending)1174 g_disk_md_intel_retaste(void *arg, int pending)
1175 {
1176
1177 G_RAID_DEBUG(1, "Array is not complete, trying to retaste.");
1178 g_retaste(&g_raid_class);
1179 free(arg, M_MD_INTEL);
1180 }
1181
1182 static void
g_raid_md_intel_refill(struct g_raid_softc * sc)1183 g_raid_md_intel_refill(struct g_raid_softc *sc)
1184 {
1185 struct g_raid_md_object *md;
1186 struct g_raid_md_intel_object *mdi;
1187 struct intel_raid_conf *meta;
1188 struct g_raid_disk *disk;
1189 struct task *task;
1190 int update, na;
1191
1192 md = sc->sc_md;
1193 mdi = (struct g_raid_md_intel_object *)md;
1194 meta = mdi->mdio_meta;
1195 update = 0;
1196 do {
1197 /* Make sure we miss anything. */
1198 na = g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) +
1199 g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED);
1200 if (na == meta->total_disks)
1201 break;
1202
1203 G_RAID_DEBUG1(1, md->mdo_softc,
1204 "Array is not complete (%d of %d), "
1205 "trying to refill.", na, meta->total_disks);
1206
1207 /* Try to get use some of STALE disks. */
1208 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1209 if (disk->d_state == G_RAID_DISK_S_STALE) {
1210 update += g_raid_md_intel_start_disk(disk);
1211 if (disk->d_state == G_RAID_DISK_S_ACTIVE ||
1212 disk->d_state == G_RAID_DISK_S_DISABLED)
1213 break;
1214 }
1215 }
1216 if (disk != NULL)
1217 continue;
1218
1219 /* Try to get use some of SPARE disks. */
1220 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1221 if (disk->d_state == G_RAID_DISK_S_SPARE) {
1222 update += g_raid_md_intel_start_disk(disk);
1223 if (disk->d_state == G_RAID_DISK_S_ACTIVE)
1224 break;
1225 }
1226 }
1227 } while (disk != NULL);
1228
1229 /* Write new metadata if we changed something. */
1230 if (update) {
1231 g_raid_md_write_intel(md, NULL, NULL, NULL);
1232 meta = mdi->mdio_meta;
1233 }
1234
1235 /* Update status of our need for spare. */
1236 mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) +
1237 g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED) < meta->total_disks);
1238
1239 /* Request retaste hoping to find spare. */
1240 if (mdi->mdio_incomplete) {
1241 task = malloc(sizeof(struct task),
1242 M_MD_INTEL, M_WAITOK | M_ZERO);
1243 TASK_INIT(task, 0, g_disk_md_intel_retaste, task);
1244 taskqueue_enqueue(taskqueue_swi, task);
1245 }
1246 }
1247
1248 static void
g_raid_md_intel_start(struct g_raid_softc * sc)1249 g_raid_md_intel_start(struct g_raid_softc *sc)
1250 {
1251 struct g_raid_md_object *md;
1252 struct g_raid_md_intel_object *mdi;
1253 struct g_raid_md_intel_pervolume *pv;
1254 struct g_raid_md_intel_perdisk *pd;
1255 struct intel_raid_conf *meta;
1256 struct intel_raid_vol *mvol;
1257 struct intel_raid_map *mmap;
1258 struct g_raid_volume *vol;
1259 struct g_raid_subdisk *sd;
1260 struct g_raid_disk *disk;
1261 int i, j, disk_pos;
1262
1263 md = sc->sc_md;
1264 mdi = (struct g_raid_md_intel_object *)md;
1265 meta = mdi->mdio_meta;
1266
1267 /* Create volumes and subdisks. */
1268 for (i = 0; i < meta->total_volumes; i++) {
1269 mvol = intel_get_volume(meta, i);
1270 mmap = intel_get_map(mvol, 0);
1271 vol = g_raid_create_volume(sc, mvol->name, mvol->tid - 1);
1272 pv = malloc(sizeof(*pv), M_MD_INTEL, M_WAITOK | M_ZERO);
1273 pv->pv_volume_pos = i;
1274 pv->pv_cng = (mvol->state & INTEL_ST_CLONE_N_GO) != 0;
1275 pv->pv_cng_man_sync = (mvol->state & INTEL_ST_CLONE_MAN_SYNC) != 0;
1276 if (mvol->cng_master_disk < mmap->total_disks)
1277 pv->pv_cng_master_disk = mvol->cng_master_disk;
1278 vol->v_md_data = pv;
1279 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE;
1280 if (mmap->type == INTEL_T_RAID0)
1281 vol->v_raid_level = G_RAID_VOLUME_RL_RAID0;
1282 else if (mmap->type == INTEL_T_RAID1 &&
1283 mmap->total_domains >= 2 &&
1284 mmap->total_domains <= mmap->total_disks) {
1285 /* Assume total_domains is correct. */
1286 if (mmap->total_domains == mmap->total_disks)
1287 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
1288 else
1289 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
1290 } else if (mmap->type == INTEL_T_RAID1) {
1291 /* total_domains looks wrong. */
1292 if (mmap->total_disks <= 2)
1293 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
1294 else
1295 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
1296 } else if (mmap->type == INTEL_T_RAID5) {
1297 vol->v_raid_level = G_RAID_VOLUME_RL_RAID5;
1298 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_R5LA;
1299 } else
1300 vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN;
1301 vol->v_strip_size = (u_int)mmap->strip_sectors * 512; //ZZZ
1302 vol->v_disks_count = mmap->total_disks;
1303 vol->v_mediasize = (off_t)mvol->total_sectors * 512; //ZZZ
1304 vol->v_sectorsize = 512; //ZZZ
1305 for (j = 0; j < vol->v_disks_count; j++) {
1306 sd = &vol->v_subdisks[j];
1307 sd->sd_offset = intel_get_map_offset(mmap) * 512; //ZZZ
1308 sd->sd_size = intel_get_map_disk_sectors(mmap) * 512; //ZZZ
1309 }
1310 g_raid_start_volume(vol);
1311 }
1312
1313 /* Create disk placeholders to store data for later writing. */
1314 for (disk_pos = 0; disk_pos < meta->total_disks; disk_pos++) {
1315 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
1316 pd->pd_disk_pos = disk_pos;
1317 pd->pd_disk_meta = meta->disk[disk_pos];
1318 disk = g_raid_create_disk(sc);
1319 disk->d_md_data = (void *)pd;
1320 disk->d_state = G_RAID_DISK_S_OFFLINE;
1321 for (i = 0; i < meta->total_volumes; i++) {
1322 mvol = intel_get_volume(meta, i);
1323 mmap = intel_get_map(mvol, 0);
1324 for (j = 0; j < mmap->total_disks; j++) {
1325 if ((mmap->disk_idx[j] & INTEL_DI_IDX) == disk_pos)
1326 break;
1327 }
1328 if (j == mmap->total_disks)
1329 continue;
1330 vol = g_raid_md_intel_get_volume(sc, i);
1331 sd = &vol->v_subdisks[j];
1332 sd->sd_disk = disk;
1333 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1334 }
1335 }
1336
1337 /* Make all disks found till the moment take their places. */
1338 do {
1339 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1340 if (disk->d_state == G_RAID_DISK_S_NONE) {
1341 g_raid_md_intel_start_disk(disk);
1342 break;
1343 }
1344 }
1345 } while (disk != NULL);
1346
1347 mdi->mdio_started = 1;
1348 G_RAID_DEBUG1(0, sc, "Array started.");
1349 g_raid_md_write_intel(md, NULL, NULL, NULL);
1350
1351 /* Pickup any STALE/SPARE disks to refill array if needed. */
1352 g_raid_md_intel_refill(sc);
1353
1354 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
1355 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1356 G_RAID_EVENT_VOLUME);
1357 }
1358
1359 callout_stop(&mdi->mdio_start_co);
1360 G_RAID_DEBUG1(1, sc, "root_mount_rel %p", mdi->mdio_rootmount);
1361 root_mount_rel(mdi->mdio_rootmount);
1362 mdi->mdio_rootmount = NULL;
1363 }
1364
1365 static void
g_raid_md_intel_new_disk(struct g_raid_disk * disk)1366 g_raid_md_intel_new_disk(struct g_raid_disk *disk)
1367 {
1368 struct g_raid_softc *sc;
1369 struct g_raid_md_object *md;
1370 struct g_raid_md_intel_object *mdi;
1371 struct intel_raid_conf *pdmeta;
1372 struct g_raid_md_intel_perdisk *pd;
1373
1374 sc = disk->d_softc;
1375 md = sc->sc_md;
1376 mdi = (struct g_raid_md_intel_object *)md;
1377 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
1378 pdmeta = pd->pd_meta;
1379
1380 if (mdi->mdio_started) {
1381 if (g_raid_md_intel_start_disk(disk))
1382 g_raid_md_write_intel(md, NULL, NULL, NULL);
1383 } else {
1384 /* If we haven't started yet - check metadata freshness. */
1385 if (mdi->mdio_meta == NULL ||
1386 ((int32_t)(pdmeta->generation - mdi->mdio_generation)) > 0) {
1387 G_RAID_DEBUG1(1, sc, "Newer disk");
1388 if (mdi->mdio_meta != NULL)
1389 free(mdi->mdio_meta, M_MD_INTEL);
1390 mdi->mdio_meta = intel_meta_copy(pdmeta);
1391 mdi->mdio_generation = mdi->mdio_meta->generation;
1392 mdi->mdio_disks_present = 1;
1393 } else if (pdmeta->generation == mdi->mdio_generation) {
1394 mdi->mdio_disks_present++;
1395 G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d up)",
1396 mdi->mdio_disks_present,
1397 mdi->mdio_meta->total_disks);
1398 } else {
1399 G_RAID_DEBUG1(1, sc, "Older disk");
1400 }
1401 /* If we collected all needed disks - start array. */
1402 if (mdi->mdio_disks_present == mdi->mdio_meta->total_disks)
1403 g_raid_md_intel_start(sc);
1404 }
1405 }
1406
1407 static void
g_raid_intel_go(void * arg)1408 g_raid_intel_go(void *arg)
1409 {
1410 struct g_raid_softc *sc;
1411 struct g_raid_md_object *md;
1412 struct g_raid_md_intel_object *mdi;
1413
1414 sc = arg;
1415 md = sc->sc_md;
1416 mdi = (struct g_raid_md_intel_object *)md;
1417 if (!mdi->mdio_started) {
1418 G_RAID_DEBUG1(0, sc, "Force array start due to timeout.");
1419 g_raid_event_send(sc, G_RAID_NODE_E_START, 0);
1420 }
1421 }
1422
1423 static int
g_raid_md_create_intel(struct g_raid_md_object * md,struct g_class * mp,struct g_geom ** gp)1424 g_raid_md_create_intel(struct g_raid_md_object *md, struct g_class *mp,
1425 struct g_geom **gp)
1426 {
1427 struct g_raid_softc *sc;
1428 struct g_raid_md_intel_object *mdi;
1429 char name[16];
1430
1431 mdi = (struct g_raid_md_intel_object *)md;
1432 mdi->mdio_config_id = mdi->mdio_orig_config_id = arc4random();
1433 mdi->mdio_generation = 0;
1434 snprintf(name, sizeof(name), "Intel-%08x", mdi->mdio_config_id);
1435 sc = g_raid_create_node(mp, name, md);
1436 if (sc == NULL)
1437 return (G_RAID_MD_TASTE_FAIL);
1438 md->mdo_softc = sc;
1439 *gp = sc->sc_geom;
1440 return (G_RAID_MD_TASTE_NEW);
1441 }
1442
1443 /*
1444 * Return the last N characters of the serial label. The Linux and
1445 * ataraid(7) code always uses the last 16 characters of the label to
1446 * store into the Intel meta format. Generalize this to N characters
1447 * since that's easy. Labels can be up to 20 characters for SATA drives
1448 * and up 251 characters for SAS drives. Since intel controllers don't
1449 * support SAS drives, just stick with the SATA limits for stack friendliness.
1450 */
1451 static int
g_raid_md_get_label(struct g_consumer * cp,char * serial,int serlen)1452 g_raid_md_get_label(struct g_consumer *cp, char *serial, int serlen)
1453 {
1454 char serial_buffer[DISK_IDENT_SIZE];
1455 int len, error;
1456
1457 len = sizeof(serial_buffer);
1458 error = g_io_getattr("GEOM::ident", cp, &len, serial_buffer);
1459 if (error != 0)
1460 return (error);
1461 len = strlen(serial_buffer);
1462 if (len > serlen)
1463 len -= serlen;
1464 else
1465 len = 0;
1466 strncpy(serial, serial_buffer + len, serlen);
1467 return (0);
1468 }
1469
1470 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)1471 g_raid_md_taste_intel(struct g_raid_md_object *md, struct g_class *mp,
1472 struct g_consumer *cp, struct g_geom **gp)
1473 {
1474 struct g_consumer *rcp;
1475 struct g_provider *pp;
1476 struct g_raid_md_intel_object *mdi, *mdi1;
1477 struct g_raid_softc *sc;
1478 struct g_raid_disk *disk;
1479 struct intel_raid_conf *meta;
1480 struct g_raid_md_intel_perdisk *pd;
1481 struct g_geom *geom;
1482 int error, disk_pos, result, spare, len;
1483 char serial[INTEL_SERIAL_LEN];
1484 char name[16];
1485 uint16_t vendor;
1486
1487 G_RAID_DEBUG(1, "Tasting Intel on %s", cp->provider->name);
1488 mdi = (struct g_raid_md_intel_object *)md;
1489 pp = cp->provider;
1490
1491 /* Read metadata from device. */
1492 meta = NULL;
1493 disk_pos = 0;
1494 g_topology_unlock();
1495 error = g_raid_md_get_label(cp, serial, sizeof(serial));
1496 if (error != 0) {
1497 G_RAID_DEBUG(1, "Cannot get serial number from %s (error=%d).",
1498 pp->name, error);
1499 goto fail2;
1500 }
1501 vendor = 0xffff;
1502 len = sizeof(vendor);
1503 if (pp->geom->rank == 1)
1504 g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor);
1505 meta = intel_meta_read(cp);
1506 g_topology_lock();
1507 if (meta == NULL) {
1508 if (g_raid_aggressive_spare) {
1509 if (vendor != 0x8086) {
1510 G_RAID_DEBUG(1,
1511 "Intel vendor mismatch 0x%04x != 0x8086",
1512 vendor);
1513 } else {
1514 G_RAID_DEBUG(1,
1515 "No Intel metadata, forcing spare.");
1516 spare = 2;
1517 goto search;
1518 }
1519 }
1520 return (G_RAID_MD_TASTE_FAIL);
1521 }
1522
1523 /* Check this disk position in obtained metadata. */
1524 disk_pos = intel_meta_find_disk(meta, serial);
1525 if (disk_pos < 0) {
1526 G_RAID_DEBUG(1, "Intel serial '%s' not found", serial);
1527 goto fail1;
1528 }
1529 if (intel_get_disk_sectors(&meta->disk[disk_pos]) !=
1530 (pp->mediasize / pp->sectorsize)) {
1531 G_RAID_DEBUG(1, "Intel size mismatch %ju != %ju",
1532 intel_get_disk_sectors(&meta->disk[disk_pos]),
1533 (off_t)(pp->mediasize / pp->sectorsize));
1534 goto fail1;
1535 }
1536
1537 G_RAID_DEBUG(1, "Intel disk position %d", disk_pos);
1538 spare = meta->disk[disk_pos].flags & INTEL_F_SPARE;
1539
1540 search:
1541 /* Search for matching node. */
1542 sc = NULL;
1543 mdi1 = NULL;
1544 LIST_FOREACH(geom, &mp->geom, geom) {
1545 sc = geom->softc;
1546 if (sc == NULL)
1547 continue;
1548 if (sc->sc_stopping != 0)
1549 continue;
1550 if (sc->sc_md->mdo_class != md->mdo_class)
1551 continue;
1552 mdi1 = (struct g_raid_md_intel_object *)sc->sc_md;
1553 if (spare) {
1554 if (mdi1->mdio_incomplete)
1555 break;
1556 } else {
1557 if (mdi1->mdio_config_id == meta->config_id)
1558 break;
1559 }
1560 }
1561
1562 /* Found matching node. */
1563 if (geom != NULL) {
1564 G_RAID_DEBUG(1, "Found matching array %s", sc->sc_name);
1565 result = G_RAID_MD_TASTE_EXISTING;
1566
1567 } else if (spare) { /* Not found needy node -- left for later. */
1568 G_RAID_DEBUG(1, "Spare is not needed at this time");
1569 goto fail1;
1570
1571 } else { /* Not found matching node -- create one. */
1572 result = G_RAID_MD_TASTE_NEW;
1573 mdi->mdio_config_id = meta->config_id;
1574 mdi->mdio_orig_config_id = meta->orig_config_id;
1575 snprintf(name, sizeof(name), "Intel-%08x", meta->config_id);
1576 sc = g_raid_create_node(mp, name, md);
1577 md->mdo_softc = sc;
1578 geom = sc->sc_geom;
1579 callout_init(&mdi->mdio_start_co, 1);
1580 callout_reset(&mdi->mdio_start_co, g_raid_start_timeout * hz,
1581 g_raid_intel_go, sc);
1582 mdi->mdio_rootmount = root_mount_hold("GRAID-Intel");
1583 G_RAID_DEBUG1(1, sc, "root_mount_hold %p", mdi->mdio_rootmount);
1584 }
1585
1586 /* There is no return after this point, so we close passed consumer. */
1587 g_access(cp, -1, 0, 0);
1588
1589 rcp = g_new_consumer(geom);
1590 rcp->flags |= G_CF_DIRECT_RECEIVE;
1591 g_attach(rcp, pp);
1592 if (g_access(rcp, 1, 1, 1) != 0)
1593 ; //goto fail1;
1594
1595 g_topology_unlock();
1596 sx_xlock(&sc->sc_lock);
1597
1598 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
1599 pd->pd_meta = meta;
1600 pd->pd_disk_pos = -1;
1601 if (spare == 2) {
1602 memcpy(&pd->pd_disk_meta.serial[0], serial, INTEL_SERIAL_LEN);
1603 intel_set_disk_sectors(&pd->pd_disk_meta,
1604 pp->mediasize / pp->sectorsize);
1605 pd->pd_disk_meta.id = 0;
1606 pd->pd_disk_meta.flags = INTEL_F_SPARE;
1607 } else {
1608 pd->pd_disk_meta = meta->disk[disk_pos];
1609 }
1610 disk = g_raid_create_disk(sc);
1611 disk->d_md_data = (void *)pd;
1612 disk->d_consumer = rcp;
1613 rcp->private = disk;
1614
1615 g_raid_get_disk_info(disk);
1616
1617 g_raid_md_intel_new_disk(disk);
1618
1619 sx_xunlock(&sc->sc_lock);
1620 g_topology_lock();
1621 *gp = geom;
1622 return (result);
1623 fail2:
1624 g_topology_lock();
1625 fail1:
1626 free(meta, M_MD_INTEL);
1627 return (G_RAID_MD_TASTE_FAIL);
1628 }
1629
1630 static int
g_raid_md_event_intel(struct g_raid_md_object * md,struct g_raid_disk * disk,u_int event)1631 g_raid_md_event_intel(struct g_raid_md_object *md,
1632 struct g_raid_disk *disk, u_int event)
1633 {
1634 struct g_raid_softc *sc;
1635 struct g_raid_subdisk *sd;
1636 struct g_raid_md_intel_object *mdi;
1637 struct g_raid_md_intel_perdisk *pd;
1638
1639 sc = md->mdo_softc;
1640 mdi = (struct g_raid_md_intel_object *)md;
1641 if (disk == NULL) {
1642 switch (event) {
1643 case G_RAID_NODE_E_START:
1644 if (!mdi->mdio_started)
1645 g_raid_md_intel_start(sc);
1646 return (0);
1647 }
1648 return (-1);
1649 }
1650 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
1651 switch (event) {
1652 case G_RAID_DISK_E_DISCONNECTED:
1653 /* If disk was assigned, just update statuses. */
1654 if (pd->pd_disk_pos >= 0) {
1655 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1656 if (disk->d_consumer) {
1657 g_raid_kill_consumer(sc, disk->d_consumer);
1658 disk->d_consumer = NULL;
1659 }
1660 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
1661 g_raid_change_subdisk_state(sd,
1662 G_RAID_SUBDISK_S_NONE);
1663 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
1664 G_RAID_EVENT_SUBDISK);
1665 }
1666 } else {
1667 /* Otherwise -- delete. */
1668 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
1669 g_raid_destroy_disk(disk);
1670 }
1671
1672 /* Write updated metadata to all disks. */
1673 g_raid_md_write_intel(md, NULL, NULL, NULL);
1674
1675 /* Check if anything left except placeholders. */
1676 if (g_raid_ndisks(sc, -1) ==
1677 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1678 g_raid_destroy_node(sc, 0);
1679 else
1680 g_raid_md_intel_refill(sc);
1681 return (0);
1682 }
1683 return (-2);
1684 }
1685
1686 static int
g_raid_md_ctl_intel(struct g_raid_md_object * md,struct gctl_req * req)1687 g_raid_md_ctl_intel(struct g_raid_md_object *md,
1688 struct gctl_req *req)
1689 {
1690 struct g_raid_softc *sc;
1691 struct g_raid_volume *vol, *vol1;
1692 struct g_raid_subdisk *sd;
1693 struct g_raid_disk *disk;
1694 struct g_raid_md_intel_object *mdi;
1695 struct g_raid_md_intel_pervolume *pv;
1696 struct g_raid_md_intel_perdisk *pd;
1697 struct g_consumer *cp;
1698 struct g_provider *pp;
1699 char arg[16], serial[INTEL_SERIAL_LEN];
1700 const char *nodename, *verb, *volname, *levelname, *diskname;
1701 char *tmp;
1702 int *nargs, *force;
1703 off_t off, size, sectorsize, strip, disk_sectors;
1704 intmax_t *sizearg, *striparg;
1705 int numdisks, i, len, level, qual, update;
1706 int error;
1707
1708 sc = md->mdo_softc;
1709 mdi = (struct g_raid_md_intel_object *)md;
1710 verb = gctl_get_param(req, "verb", NULL);
1711 nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
1712 error = 0;
1713 if (strcmp(verb, "label") == 0) {
1714
1715 if (*nargs < 4) {
1716 gctl_error(req, "Invalid number of arguments.");
1717 return (-1);
1718 }
1719 volname = gctl_get_asciiparam(req, "arg1");
1720 if (volname == NULL) {
1721 gctl_error(req, "No volume name.");
1722 return (-2);
1723 }
1724 levelname = gctl_get_asciiparam(req, "arg2");
1725 if (levelname == NULL) {
1726 gctl_error(req, "No RAID level.");
1727 return (-3);
1728 }
1729 if (strcasecmp(levelname, "RAID5") == 0)
1730 levelname = "RAID5-LA";
1731 if (g_raid_volume_str2level(levelname, &level, &qual)) {
1732 gctl_error(req, "Unknown RAID level '%s'.", levelname);
1733 return (-4);
1734 }
1735 numdisks = *nargs - 3;
1736 force = gctl_get_paraml(req, "force", sizeof(*force));
1737 if (!g_raid_md_intel_supported(level, qual, numdisks,
1738 force ? *force : 0)) {
1739 gctl_error(req, "Unsupported RAID level "
1740 "(0x%02x/0x%02x), or number of disks (%d).",
1741 level, qual, numdisks);
1742 return (-5);
1743 }
1744
1745 /* Search for disks, connect them and probe. */
1746 size = 0x7fffffffffffffffllu;
1747 sectorsize = 0;
1748 for (i = 0; i < numdisks; i++) {
1749 snprintf(arg, sizeof(arg), "arg%d", i + 3);
1750 diskname = gctl_get_asciiparam(req, arg);
1751 if (diskname == NULL) {
1752 gctl_error(req, "No disk name (%s).", arg);
1753 error = -6;
1754 break;
1755 }
1756 if (strcmp(diskname, "NONE") == 0) {
1757 cp = NULL;
1758 pp = NULL;
1759 } else {
1760 g_topology_lock();
1761 cp = g_raid_open_consumer(sc, diskname);
1762 if (cp == NULL) {
1763 gctl_error(req, "Can't open disk '%s'.",
1764 diskname);
1765 g_topology_unlock();
1766 error = -7;
1767 break;
1768 }
1769 pp = cp->provider;
1770 }
1771 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
1772 pd->pd_disk_pos = i;
1773 disk = g_raid_create_disk(sc);
1774 disk->d_md_data = (void *)pd;
1775 disk->d_consumer = cp;
1776 if (cp == NULL) {
1777 strcpy(&pd->pd_disk_meta.serial[0], "NONE");
1778 pd->pd_disk_meta.id = 0xffffffff;
1779 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED;
1780 continue;
1781 }
1782 cp->private = disk;
1783 g_topology_unlock();
1784
1785 error = g_raid_md_get_label(cp,
1786 &pd->pd_disk_meta.serial[0], INTEL_SERIAL_LEN);
1787 if (error != 0) {
1788 gctl_error(req,
1789 "Can't get serial for provider '%s'.",
1790 diskname);
1791 error = -8;
1792 break;
1793 }
1794
1795 g_raid_get_disk_info(disk);
1796
1797 intel_set_disk_sectors(&pd->pd_disk_meta,
1798 pp->mediasize / pp->sectorsize);
1799 if (size > pp->mediasize)
1800 size = pp->mediasize;
1801 if (sectorsize < pp->sectorsize)
1802 sectorsize = pp->sectorsize;
1803 pd->pd_disk_meta.id = 0;
1804 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED | INTEL_F_ONLINE;
1805 }
1806 if (error != 0)
1807 return (error);
1808
1809 if (sectorsize <= 0) {
1810 gctl_error(req, "Can't get sector size.");
1811 return (-8);
1812 }
1813
1814 /* Reserve some space for metadata. */
1815 size -= ((4096 + sectorsize - 1) / sectorsize) * sectorsize;
1816
1817 /* Handle size argument. */
1818 len = sizeof(*sizearg);
1819 sizearg = gctl_get_param(req, "size", &len);
1820 if (sizearg != NULL && len == sizeof(*sizearg) &&
1821 *sizearg > 0) {
1822 if (*sizearg > size) {
1823 gctl_error(req, "Size too big %lld > %lld.",
1824 (long long)*sizearg, (long long)size);
1825 return (-9);
1826 }
1827 size = *sizearg;
1828 }
1829
1830 /* Handle strip argument. */
1831 strip = 131072;
1832 len = sizeof(*striparg);
1833 striparg = gctl_get_param(req, "strip", &len);
1834 if (striparg != NULL && len == sizeof(*striparg) &&
1835 *striparg > 0) {
1836 if (*striparg < sectorsize) {
1837 gctl_error(req, "Strip size too small.");
1838 return (-10);
1839 }
1840 if (*striparg % sectorsize != 0) {
1841 gctl_error(req, "Incorrect strip size.");
1842 return (-11);
1843 }
1844 if (strip > 65535 * sectorsize) {
1845 gctl_error(req, "Strip size too big.");
1846 return (-12);
1847 }
1848 strip = *striparg;
1849 }
1850
1851 /* Round size down to strip or sector. */
1852 if (level == G_RAID_VOLUME_RL_RAID1)
1853 size -= (size % sectorsize);
1854 else if (level == G_RAID_VOLUME_RL_RAID1E &&
1855 (numdisks & 1) != 0)
1856 size -= (size % (2 * strip));
1857 else
1858 size -= (size % strip);
1859 if (size <= 0) {
1860 gctl_error(req, "Size too small.");
1861 return (-13);
1862 }
1863
1864 /* We have all we need, create things: volume, ... */
1865 mdi->mdio_started = 1;
1866 vol = g_raid_create_volume(sc, volname, -1);
1867 pv = malloc(sizeof(*pv), M_MD_INTEL, M_WAITOK | M_ZERO);
1868 pv->pv_volume_pos = 0;
1869 vol->v_md_data = pv;
1870 vol->v_raid_level = level;
1871 vol->v_raid_level_qualifier = qual;
1872 vol->v_strip_size = strip;
1873 vol->v_disks_count = numdisks;
1874 if (level == G_RAID_VOLUME_RL_RAID0)
1875 vol->v_mediasize = size * numdisks;
1876 else if (level == G_RAID_VOLUME_RL_RAID1)
1877 vol->v_mediasize = size;
1878 else if (level == G_RAID_VOLUME_RL_RAID5)
1879 vol->v_mediasize = size * (numdisks - 1);
1880 else { /* RAID1E */
1881 vol->v_mediasize = ((size * numdisks) / strip / 2) *
1882 strip;
1883 }
1884 vol->v_sectorsize = sectorsize;
1885 g_raid_start_volume(vol);
1886
1887 /* , and subdisks. */
1888 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1889 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
1890 sd = &vol->v_subdisks[pd->pd_disk_pos];
1891 sd->sd_disk = disk;
1892 sd->sd_offset = 0;
1893 sd->sd_size = size;
1894 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1895 if (sd->sd_disk->d_consumer != NULL) {
1896 g_raid_change_disk_state(disk,
1897 G_RAID_DISK_S_ACTIVE);
1898 if (level == G_RAID_VOLUME_RL_RAID5)
1899 g_raid_change_subdisk_state(sd,
1900 G_RAID_SUBDISK_S_UNINITIALIZED);
1901 else
1902 g_raid_change_subdisk_state(sd,
1903 G_RAID_SUBDISK_S_ACTIVE);
1904 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
1905 G_RAID_EVENT_SUBDISK);
1906 } else {
1907 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1908 }
1909 }
1910
1911 /* Write metadata based on created entities. */
1912 G_RAID_DEBUG1(0, sc, "Array started.");
1913 g_raid_md_write_intel(md, NULL, NULL, NULL);
1914
1915 /* Pickup any STALE/SPARE disks to refill array if needed. */
1916 g_raid_md_intel_refill(sc);
1917
1918 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1919 G_RAID_EVENT_VOLUME);
1920 return (0);
1921 }
1922 if (strcmp(verb, "add") == 0) {
1923
1924 if (*nargs != 3) {
1925 gctl_error(req, "Invalid number of arguments.");
1926 return (-1);
1927 }
1928 volname = gctl_get_asciiparam(req, "arg1");
1929 if (volname == NULL) {
1930 gctl_error(req, "No volume name.");
1931 return (-2);
1932 }
1933 levelname = gctl_get_asciiparam(req, "arg2");
1934 if (levelname == NULL) {
1935 gctl_error(req, "No RAID level.");
1936 return (-3);
1937 }
1938 if (strcasecmp(levelname, "RAID5") == 0)
1939 levelname = "RAID5-LA";
1940 if (g_raid_volume_str2level(levelname, &level, &qual)) {
1941 gctl_error(req, "Unknown RAID level '%s'.", levelname);
1942 return (-4);
1943 }
1944
1945 /* Look for existing volumes. */
1946 i = 0;
1947 vol1 = NULL;
1948 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
1949 vol1 = vol;
1950 i++;
1951 }
1952 if (i > 1) {
1953 gctl_error(req, "Maximum two volumes supported.");
1954 return (-6);
1955 }
1956 if (vol1 == NULL) {
1957 gctl_error(req, "At least one volume must exist.");
1958 return (-7);
1959 }
1960
1961 numdisks = vol1->v_disks_count;
1962 force = gctl_get_paraml(req, "force", sizeof(*force));
1963 if (!g_raid_md_intel_supported(level, qual, numdisks,
1964 force ? *force : 0)) {
1965 gctl_error(req, "Unsupported RAID level "
1966 "(0x%02x/0x%02x), or number of disks (%d).",
1967 level, qual, numdisks);
1968 return (-5);
1969 }
1970
1971 /* Collect info about present disks. */
1972 size = 0x7fffffffffffffffllu;
1973 sectorsize = 512;
1974 for (i = 0; i < numdisks; i++) {
1975 disk = vol1->v_subdisks[i].sd_disk;
1976 pd = (struct g_raid_md_intel_perdisk *)
1977 disk->d_md_data;
1978 disk_sectors =
1979 intel_get_disk_sectors(&pd->pd_disk_meta);
1980
1981 if (disk_sectors * 512 < size)
1982 size = disk_sectors * 512;
1983 if (disk->d_consumer != NULL &&
1984 disk->d_consumer->provider != NULL &&
1985 disk->d_consumer->provider->sectorsize >
1986 sectorsize) {
1987 sectorsize =
1988 disk->d_consumer->provider->sectorsize;
1989 }
1990 }
1991
1992 /* Reserve some space for metadata. */
1993 size -= ((4096 + sectorsize - 1) / sectorsize) * sectorsize;
1994
1995 /* Decide insert before or after. */
1996 sd = &vol1->v_subdisks[0];
1997 if (sd->sd_offset >
1998 size - (sd->sd_offset + sd->sd_size)) {
1999 off = 0;
2000 size = sd->sd_offset;
2001 } else {
2002 off = sd->sd_offset + sd->sd_size;
2003 size = size - (sd->sd_offset + sd->sd_size);
2004 }
2005
2006 /* Handle strip argument. */
2007 strip = 131072;
2008 len = sizeof(*striparg);
2009 striparg = gctl_get_param(req, "strip", &len);
2010 if (striparg != NULL && len == sizeof(*striparg) &&
2011 *striparg > 0) {
2012 if (*striparg < sectorsize) {
2013 gctl_error(req, "Strip size too small.");
2014 return (-10);
2015 }
2016 if (*striparg % sectorsize != 0) {
2017 gctl_error(req, "Incorrect strip size.");
2018 return (-11);
2019 }
2020 if (strip > 65535 * sectorsize) {
2021 gctl_error(req, "Strip size too big.");
2022 return (-12);
2023 }
2024 strip = *striparg;
2025 }
2026
2027 /* Round offset up to strip. */
2028 if (off % strip != 0) {
2029 size -= strip - off % strip;
2030 off += strip - off % strip;
2031 }
2032
2033 /* Handle size argument. */
2034 len = sizeof(*sizearg);
2035 sizearg = gctl_get_param(req, "size", &len);
2036 if (sizearg != NULL && len == sizeof(*sizearg) &&
2037 *sizearg > 0) {
2038 if (*sizearg > size) {
2039 gctl_error(req, "Size too big %lld > %lld.",
2040 (long long)*sizearg, (long long)size);
2041 return (-9);
2042 }
2043 size = *sizearg;
2044 }
2045
2046 /* Round size down to strip or sector. */
2047 if (level == G_RAID_VOLUME_RL_RAID1)
2048 size -= (size % sectorsize);
2049 else
2050 size -= (size % strip);
2051 if (size <= 0) {
2052 gctl_error(req, "Size too small.");
2053 return (-13);
2054 }
2055 if (size > 0xffffffffllu * sectorsize) {
2056 gctl_error(req, "Size too big.");
2057 return (-14);
2058 }
2059
2060 /* We have all we need, create things: volume, ... */
2061 vol = g_raid_create_volume(sc, volname, -1);
2062 pv = malloc(sizeof(*pv), M_MD_INTEL, M_WAITOK | M_ZERO);
2063 pv->pv_volume_pos = i;
2064 vol->v_md_data = pv;
2065 vol->v_raid_level = level;
2066 vol->v_raid_level_qualifier = qual;
2067 vol->v_strip_size = strip;
2068 vol->v_disks_count = numdisks;
2069 if (level == G_RAID_VOLUME_RL_RAID0)
2070 vol->v_mediasize = size * numdisks;
2071 else if (level == G_RAID_VOLUME_RL_RAID1)
2072 vol->v_mediasize = size;
2073 else if (level == G_RAID_VOLUME_RL_RAID5)
2074 vol->v_mediasize = size * (numdisks - 1);
2075 else { /* RAID1E */
2076 vol->v_mediasize = ((size * numdisks) / strip / 2) *
2077 strip;
2078 }
2079 vol->v_sectorsize = sectorsize;
2080 g_raid_start_volume(vol);
2081
2082 /* , and subdisks. */
2083 for (i = 0; i < numdisks; i++) {
2084 disk = vol1->v_subdisks[i].sd_disk;
2085 sd = &vol->v_subdisks[i];
2086 sd->sd_disk = disk;
2087 sd->sd_offset = off;
2088 sd->sd_size = size;
2089 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
2090 if (disk->d_state == G_RAID_DISK_S_ACTIVE) {
2091 if (level == G_RAID_VOLUME_RL_RAID5)
2092 g_raid_change_subdisk_state(sd,
2093 G_RAID_SUBDISK_S_UNINITIALIZED);
2094 else
2095 g_raid_change_subdisk_state(sd,
2096 G_RAID_SUBDISK_S_ACTIVE);
2097 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
2098 G_RAID_EVENT_SUBDISK);
2099 }
2100 }
2101
2102 /* Write metadata based on created entities. */
2103 g_raid_md_write_intel(md, NULL, NULL, NULL);
2104
2105 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
2106 G_RAID_EVENT_VOLUME);
2107 return (0);
2108 }
2109 if (strcmp(verb, "delete") == 0) {
2110
2111 nodename = gctl_get_asciiparam(req, "arg0");
2112 if (nodename != NULL && strcasecmp(sc->sc_name, nodename) != 0)
2113 nodename = NULL;
2114
2115 /* Full node destruction. */
2116 if (*nargs == 1 && nodename != NULL) {
2117 /* Check if some volume is still open. */
2118 force = gctl_get_paraml(req, "force", sizeof(*force));
2119 if (force != NULL && *force == 0 &&
2120 g_raid_nopens(sc) != 0) {
2121 gctl_error(req, "Some volume is still open.");
2122 return (-4);
2123 }
2124
2125 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2126 if (disk->d_consumer)
2127 intel_meta_erase(disk->d_consumer);
2128 }
2129 g_raid_destroy_node(sc, 0);
2130 return (0);
2131 }
2132
2133 /* Destroy specified volume. If it was last - all node. */
2134 if (*nargs > 2) {
2135 gctl_error(req, "Invalid number of arguments.");
2136 return (-1);
2137 }
2138 volname = gctl_get_asciiparam(req,
2139 nodename != NULL ? "arg1" : "arg0");
2140 if (volname == NULL) {
2141 gctl_error(req, "No volume name.");
2142 return (-2);
2143 }
2144
2145 /* Search for volume. */
2146 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
2147 if (strcmp(vol->v_name, volname) == 0)
2148 break;
2149 pp = vol->v_provider;
2150 if (pp == NULL)
2151 continue;
2152 if (strcmp(pp->name, volname) == 0)
2153 break;
2154 if (strncmp(pp->name, "raid/", 5) == 0 &&
2155 strcmp(pp->name + 5, volname) == 0)
2156 break;
2157 }
2158 if (vol == NULL) {
2159 i = strtol(volname, &tmp, 10);
2160 if (verb != volname && tmp[0] == 0) {
2161 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
2162 if (vol->v_global_id == i)
2163 break;
2164 }
2165 }
2166 }
2167 if (vol == NULL) {
2168 gctl_error(req, "Volume '%s' not found.", volname);
2169 return (-3);
2170 }
2171
2172 /* Check if volume is still open. */
2173 force = gctl_get_paraml(req, "force", sizeof(*force));
2174 if (force != NULL && *force == 0 &&
2175 vol->v_provider_open != 0) {
2176 gctl_error(req, "Volume is still open.");
2177 return (-4);
2178 }
2179
2180 /* Destroy volume and potentially node. */
2181 i = 0;
2182 TAILQ_FOREACH(vol1, &sc->sc_volumes, v_next)
2183 i++;
2184 if (i >= 2) {
2185 g_raid_destroy_volume(vol);
2186 g_raid_md_write_intel(md, NULL, NULL, NULL);
2187 } else {
2188 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2189 if (disk->d_consumer)
2190 intel_meta_erase(disk->d_consumer);
2191 }
2192 g_raid_destroy_node(sc, 0);
2193 }
2194 return (0);
2195 }
2196 if (strcmp(verb, "remove") == 0 ||
2197 strcmp(verb, "fail") == 0) {
2198 if (*nargs < 2) {
2199 gctl_error(req, "Invalid number of arguments.");
2200 return (-1);
2201 }
2202 for (i = 1; i < *nargs; i++) {
2203 snprintf(arg, sizeof(arg), "arg%d", i);
2204 diskname = gctl_get_asciiparam(req, arg);
2205 if (diskname == NULL) {
2206 gctl_error(req, "No disk name (%s).", arg);
2207 error = -2;
2208 break;
2209 }
2210 if (strncmp(diskname, "/dev/", 5) == 0)
2211 diskname += 5;
2212
2213 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2214 if (disk->d_consumer != NULL &&
2215 disk->d_consumer->provider != NULL &&
2216 strcmp(disk->d_consumer->provider->name,
2217 diskname) == 0)
2218 break;
2219 }
2220 if (disk == NULL) {
2221 gctl_error(req, "Disk '%s' not found.",
2222 diskname);
2223 error = -3;
2224 break;
2225 }
2226
2227 if (strcmp(verb, "fail") == 0) {
2228 g_raid_md_fail_disk_intel(md, NULL, disk);
2229 continue;
2230 }
2231
2232 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2233
2234 /* Erase metadata on deleting disk. */
2235 intel_meta_erase(disk->d_consumer);
2236
2237 /* If disk was assigned, just update statuses. */
2238 if (pd->pd_disk_pos >= 0) {
2239 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
2240 g_raid_kill_consumer(sc, disk->d_consumer);
2241 disk->d_consumer = NULL;
2242 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
2243 g_raid_change_subdisk_state(sd,
2244 G_RAID_SUBDISK_S_NONE);
2245 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
2246 G_RAID_EVENT_SUBDISK);
2247 }
2248 } else {
2249 /* Otherwise -- delete. */
2250 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
2251 g_raid_destroy_disk(disk);
2252 }
2253 }
2254
2255 /* Write updated metadata to remaining disks. */
2256 g_raid_md_write_intel(md, NULL, NULL, NULL);
2257
2258 /* Check if anything left except placeholders. */
2259 if (g_raid_ndisks(sc, -1) ==
2260 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
2261 g_raid_destroy_node(sc, 0);
2262 else
2263 g_raid_md_intel_refill(sc);
2264 return (error);
2265 }
2266 if (strcmp(verb, "insert") == 0) {
2267 if (*nargs < 2) {
2268 gctl_error(req, "Invalid number of arguments.");
2269 return (-1);
2270 }
2271 update = 0;
2272 for (i = 1; i < *nargs; i++) {
2273 /* Get disk name. */
2274 snprintf(arg, sizeof(arg), "arg%d", i);
2275 diskname = gctl_get_asciiparam(req, arg);
2276 if (diskname == NULL) {
2277 gctl_error(req, "No disk name (%s).", arg);
2278 error = -3;
2279 break;
2280 }
2281
2282 /* Try to find provider with specified name. */
2283 g_topology_lock();
2284 cp = g_raid_open_consumer(sc, diskname);
2285 if (cp == NULL) {
2286 gctl_error(req, "Can't open disk '%s'.",
2287 diskname);
2288 g_topology_unlock();
2289 error = -4;
2290 break;
2291 }
2292 pp = cp->provider;
2293 g_topology_unlock();
2294
2295 /* Read disk serial. */
2296 error = g_raid_md_get_label(cp,
2297 &serial[0], INTEL_SERIAL_LEN);
2298 if (error != 0) {
2299 gctl_error(req,
2300 "Can't get serial for provider '%s'.",
2301 diskname);
2302 g_raid_kill_consumer(sc, cp);
2303 error = -7;
2304 break;
2305 }
2306
2307 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
2308 pd->pd_disk_pos = -1;
2309
2310 disk = g_raid_create_disk(sc);
2311 disk->d_consumer = cp;
2312 disk->d_md_data = (void *)pd;
2313 cp->private = disk;
2314
2315 g_raid_get_disk_info(disk);
2316
2317 memcpy(&pd->pd_disk_meta.serial[0], &serial[0],
2318 INTEL_SERIAL_LEN);
2319 intel_set_disk_sectors(&pd->pd_disk_meta,
2320 pp->mediasize / pp->sectorsize);
2321 pd->pd_disk_meta.id = 0;
2322 pd->pd_disk_meta.flags = INTEL_F_SPARE;
2323
2324 /* Welcome the "new" disk. */
2325 update += g_raid_md_intel_start_disk(disk);
2326 if (disk->d_state == G_RAID_DISK_S_SPARE) {
2327 intel_meta_write_spare(cp, &pd->pd_disk_meta);
2328 g_raid_destroy_disk(disk);
2329 } else if (disk->d_state != G_RAID_DISK_S_ACTIVE) {
2330 gctl_error(req, "Disk '%s' doesn't fit.",
2331 diskname);
2332 g_raid_destroy_disk(disk);
2333 error = -8;
2334 break;
2335 }
2336 }
2337
2338 /* Write new metadata if we changed something. */
2339 if (update)
2340 g_raid_md_write_intel(md, NULL, NULL, NULL);
2341 return (error);
2342 }
2343 return (-100);
2344 }
2345
2346 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)2347 g_raid_md_write_intel(struct g_raid_md_object *md, struct g_raid_volume *tvol,
2348 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
2349 {
2350 struct g_raid_softc *sc;
2351 struct g_raid_volume *vol;
2352 struct g_raid_subdisk *sd;
2353 struct g_raid_disk *disk;
2354 struct g_raid_md_intel_object *mdi;
2355 struct g_raid_md_intel_pervolume *pv;
2356 struct g_raid_md_intel_perdisk *pd;
2357 struct intel_raid_conf *meta;
2358 struct intel_raid_vol *mvol;
2359 struct intel_raid_map *mmap0, *mmap1;
2360 off_t sectorsize = 512, pos;
2361 const char *version, *cv;
2362 int vi, sdi, numdisks, len, state, stale;
2363
2364 sc = md->mdo_softc;
2365 mdi = (struct g_raid_md_intel_object *)md;
2366
2367 if (sc->sc_stopping == G_RAID_DESTROY_HARD)
2368 return (0);
2369
2370 /* Bump generation. Newly written metadata may differ from previous. */
2371 mdi->mdio_generation++;
2372
2373 /* Count number of disks. */
2374 numdisks = 0;
2375 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2376 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2377 if (pd->pd_disk_pos < 0)
2378 continue;
2379 numdisks++;
2380 if (disk->d_state == G_RAID_DISK_S_ACTIVE) {
2381 pd->pd_disk_meta.flags =
2382 INTEL_F_ONLINE | INTEL_F_ASSIGNED;
2383 } else if (disk->d_state == G_RAID_DISK_S_FAILED) {
2384 pd->pd_disk_meta.flags = INTEL_F_FAILED |
2385 INTEL_F_ASSIGNED;
2386 } else if (disk->d_state == G_RAID_DISK_S_DISABLED) {
2387 pd->pd_disk_meta.flags = INTEL_F_FAILED |
2388 INTEL_F_ASSIGNED | INTEL_F_DISABLED;
2389 } else {
2390 if (!(pd->pd_disk_meta.flags & INTEL_F_DISABLED))
2391 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED;
2392 if (pd->pd_disk_meta.id != 0xffffffff) {
2393 pd->pd_disk_meta.id = 0xffffffff;
2394 len = strlen(pd->pd_disk_meta.serial);
2395 len = min(len, INTEL_SERIAL_LEN - 3);
2396 strcpy(pd->pd_disk_meta.serial + len, ":0");
2397 }
2398 }
2399 }
2400
2401 /* Fill anchor and disks. */
2402 meta = malloc(INTEL_MAX_MD_SIZE(numdisks),
2403 M_MD_INTEL, M_WAITOK | M_ZERO);
2404 memcpy(&meta->intel_id[0], INTEL_MAGIC, sizeof(INTEL_MAGIC) - 1);
2405 meta->config_size = INTEL_MAX_MD_SIZE(numdisks);
2406 meta->config_id = mdi->mdio_config_id;
2407 meta->orig_config_id = mdi->mdio_orig_config_id;
2408 meta->generation = mdi->mdio_generation;
2409 meta->attributes = INTEL_ATTR_CHECKSUM;
2410 meta->total_disks = numdisks;
2411 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2412 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2413 if (pd->pd_disk_pos < 0)
2414 continue;
2415 meta->disk[pd->pd_disk_pos] = pd->pd_disk_meta;
2416 if (pd->pd_disk_meta.sectors_hi != 0)
2417 meta->attributes |= INTEL_ATTR_2TB_DISK;
2418 }
2419
2420 /* Fill volumes and maps. */
2421 vi = 0;
2422 version = INTEL_VERSION_1000;
2423 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
2424 pv = vol->v_md_data;
2425 if (vol->v_stopping)
2426 continue;
2427 mvol = intel_get_volume(meta, vi);
2428
2429 /* New metadata may have different volumes order. */
2430 pv->pv_volume_pos = vi;
2431
2432 for (sdi = 0; sdi < vol->v_disks_count; sdi++) {
2433 sd = &vol->v_subdisks[sdi];
2434 if (sd->sd_disk != NULL)
2435 break;
2436 }
2437 if (sdi >= vol->v_disks_count)
2438 panic("No any filled subdisk in volume");
2439 if (vol->v_mediasize >= 0x20000000000llu)
2440 meta->attributes |= INTEL_ATTR_2TB;
2441 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
2442 meta->attributes |= INTEL_ATTR_RAID0;
2443 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
2444 meta->attributes |= INTEL_ATTR_RAID1;
2445 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5)
2446 meta->attributes |= INTEL_ATTR_RAID5;
2447 else if ((vol->v_disks_count & 1) == 0)
2448 meta->attributes |= INTEL_ATTR_RAID10;
2449 else
2450 meta->attributes |= INTEL_ATTR_RAID1E;
2451 if (pv->pv_cng)
2452 meta->attributes |= INTEL_ATTR_RAIDCNG;
2453 if (vol->v_strip_size > 131072)
2454 meta->attributes |= INTEL_ATTR_EXT_STRIP;
2455
2456 if (pv->pv_cng)
2457 cv = INTEL_VERSION_1206;
2458 else if (vol->v_disks_count > 4)
2459 cv = INTEL_VERSION_1204;
2460 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5)
2461 cv = INTEL_VERSION_1202;
2462 else if (vol->v_disks_count > 2)
2463 cv = INTEL_VERSION_1201;
2464 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
2465 cv = INTEL_VERSION_1100;
2466 else
2467 cv = INTEL_VERSION_1000;
2468 if (strcmp(cv, version) > 0)
2469 version = cv;
2470
2471 strlcpy(&mvol->name[0], vol->v_name, sizeof(mvol->name));
2472 mvol->total_sectors = vol->v_mediasize / sectorsize;
2473 mvol->state = (INTEL_ST_READ_COALESCING |
2474 INTEL_ST_WRITE_COALESCING);
2475 mvol->tid = vol->v_global_id + 1;
2476 if (pv->pv_cng) {
2477 mvol->state |= INTEL_ST_CLONE_N_GO;
2478 if (pv->pv_cng_man_sync)
2479 mvol->state |= INTEL_ST_CLONE_MAN_SYNC;
2480 mvol->cng_master_disk = pv->pv_cng_master_disk;
2481 if (vol->v_subdisks[pv->pv_cng_master_disk].sd_state ==
2482 G_RAID_SUBDISK_S_NONE)
2483 mvol->cng_state = INTEL_CNGST_MASTER_MISSING;
2484 else if (vol->v_state != G_RAID_VOLUME_S_OPTIMAL)
2485 mvol->cng_state = INTEL_CNGST_NEEDS_UPDATE;
2486 else
2487 mvol->cng_state = INTEL_CNGST_UPDATED;
2488 }
2489
2490 /* Check for any recovery in progress. */
2491 state = G_RAID_SUBDISK_S_ACTIVE;
2492 pos = 0x7fffffffffffffffllu;
2493 stale = 0;
2494 for (sdi = 0; sdi < vol->v_disks_count; sdi++) {
2495 sd = &vol->v_subdisks[sdi];
2496 if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD)
2497 state = G_RAID_SUBDISK_S_REBUILD;
2498 else if (sd->sd_state == G_RAID_SUBDISK_S_RESYNC &&
2499 state != G_RAID_SUBDISK_S_REBUILD)
2500 state = G_RAID_SUBDISK_S_RESYNC;
2501 else if (sd->sd_state == G_RAID_SUBDISK_S_STALE)
2502 stale = 1;
2503 if ((sd->sd_state == G_RAID_SUBDISK_S_REBUILD ||
2504 sd->sd_state == G_RAID_SUBDISK_S_RESYNC) &&
2505 sd->sd_rebuild_pos < pos)
2506 pos = sd->sd_rebuild_pos;
2507 }
2508 if (state == G_RAID_SUBDISK_S_REBUILD) {
2509 mvol->migr_state = 1;
2510 mvol->migr_type = INTEL_MT_REBUILD;
2511 } else if (state == G_RAID_SUBDISK_S_RESYNC) {
2512 mvol->migr_state = 1;
2513 /* mvol->migr_type = INTEL_MT_REPAIR; */
2514 mvol->migr_type = INTEL_MT_VERIFY;
2515 mvol->state |= INTEL_ST_VERIFY_AND_FIX;
2516 } else
2517 mvol->migr_state = 0;
2518 mvol->dirty = (vol->v_dirty || stale);
2519
2520 mmap0 = intel_get_map(mvol, 0);
2521
2522 /* Write map / common part of two maps. */
2523 intel_set_map_offset(mmap0, sd->sd_offset / sectorsize);
2524 intel_set_map_disk_sectors(mmap0, sd->sd_size / sectorsize);
2525 mmap0->strip_sectors = vol->v_strip_size / sectorsize;
2526 if (vol->v_state == G_RAID_VOLUME_S_BROKEN)
2527 mmap0->status = INTEL_S_FAILURE;
2528 else if (vol->v_state == G_RAID_VOLUME_S_DEGRADED)
2529 mmap0->status = INTEL_S_DEGRADED;
2530 else if (g_raid_nsubdisks(vol, G_RAID_SUBDISK_S_UNINITIALIZED)
2531 == g_raid_nsubdisks(vol, -1))
2532 mmap0->status = INTEL_S_UNINITIALIZED;
2533 else
2534 mmap0->status = INTEL_S_READY;
2535 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
2536 mmap0->type = INTEL_T_RAID0;
2537 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1 ||
2538 vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
2539 mmap0->type = INTEL_T_RAID1;
2540 else
2541 mmap0->type = INTEL_T_RAID5;
2542 mmap0->total_disks = vol->v_disks_count;
2543 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
2544 mmap0->total_domains = vol->v_disks_count;
2545 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
2546 mmap0->total_domains = 2;
2547 else
2548 mmap0->total_domains = 1;
2549 intel_set_map_stripe_count(mmap0,
2550 sd->sd_size / vol->v_strip_size / mmap0->total_domains);
2551 mmap0->failed_disk_num = 0xff;
2552 mmap0->ddf = 1;
2553
2554 /* If there are two maps - copy common and update. */
2555 if (mvol->migr_state) {
2556 intel_set_vol_curr_migr_unit(mvol,
2557 pos / vol->v_strip_size / mmap0->total_domains);
2558 mmap1 = intel_get_map(mvol, 1);
2559 memcpy(mmap1, mmap0, sizeof(struct intel_raid_map));
2560 mmap0->status = INTEL_S_READY;
2561 } else
2562 mmap1 = NULL;
2563
2564 /* Write disk indexes and put rebuild flags. */
2565 for (sdi = 0; sdi < vol->v_disks_count; sdi++) {
2566 sd = &vol->v_subdisks[sdi];
2567 pd = (struct g_raid_md_intel_perdisk *)
2568 sd->sd_disk->d_md_data;
2569 mmap0->disk_idx[sdi] = pd->pd_disk_pos;
2570 if (mvol->migr_state)
2571 mmap1->disk_idx[sdi] = pd->pd_disk_pos;
2572 if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD ||
2573 sd->sd_state == G_RAID_SUBDISK_S_RESYNC) {
2574 mmap1->disk_idx[sdi] |= INTEL_DI_RBLD;
2575 } else if (sd->sd_state != G_RAID_SUBDISK_S_ACTIVE &&
2576 sd->sd_state != G_RAID_SUBDISK_S_STALE &&
2577 sd->sd_state != G_RAID_SUBDISK_S_UNINITIALIZED) {
2578 mmap0->disk_idx[sdi] |= INTEL_DI_RBLD;
2579 if (mvol->migr_state)
2580 mmap1->disk_idx[sdi] |= INTEL_DI_RBLD;
2581 }
2582 if ((sd->sd_state == G_RAID_SUBDISK_S_NONE ||
2583 sd->sd_state == G_RAID_SUBDISK_S_FAILED ||
2584 sd->sd_state == G_RAID_SUBDISK_S_REBUILD) &&
2585 mmap0->failed_disk_num == 0xff) {
2586 mmap0->failed_disk_num = sdi;
2587 if (mvol->migr_state)
2588 mmap1->failed_disk_num = sdi;
2589 }
2590 }
2591 vi++;
2592 }
2593 meta->total_volumes = vi;
2594 if (vi > 1 || meta->attributes &
2595 (INTEL_ATTR_EXT_STRIP | INTEL_ATTR_2TB_DISK | INTEL_ATTR_2TB))
2596 version = INTEL_VERSION_1300;
2597 if (strcmp(version, INTEL_VERSION_1300) < 0)
2598 meta->attributes &= INTEL_ATTR_CHECKSUM;
2599 memcpy(&meta->version[0], version, sizeof(INTEL_VERSION_1000) - 1);
2600
2601 /* We are done. Print meta data and store them to disks. */
2602 g_raid_md_intel_print(meta);
2603 if (mdi->mdio_meta != NULL)
2604 free(mdi->mdio_meta, M_MD_INTEL);
2605 mdi->mdio_meta = meta;
2606 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2607 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2608 if (disk->d_state != G_RAID_DISK_S_ACTIVE)
2609 continue;
2610 if (pd->pd_meta != NULL) {
2611 free(pd->pd_meta, M_MD_INTEL);
2612 pd->pd_meta = NULL;
2613 }
2614 pd->pd_meta = intel_meta_copy(meta);
2615 intel_meta_write(disk->d_consumer, meta);
2616 }
2617 return (0);
2618 }
2619
2620 static int
g_raid_md_fail_disk_intel(struct g_raid_md_object * md,struct g_raid_subdisk * tsd,struct g_raid_disk * tdisk)2621 g_raid_md_fail_disk_intel(struct g_raid_md_object *md,
2622 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
2623 {
2624 struct g_raid_softc *sc;
2625 struct g_raid_md_intel_object *mdi;
2626 struct g_raid_md_intel_perdisk *pd;
2627 struct g_raid_subdisk *sd;
2628
2629 sc = md->mdo_softc;
2630 mdi = (struct g_raid_md_intel_object *)md;
2631 pd = (struct g_raid_md_intel_perdisk *)tdisk->d_md_data;
2632
2633 /* We can't fail disk that is not a part of array now. */
2634 if (pd->pd_disk_pos < 0)
2635 return (-1);
2636
2637 /*
2638 * Mark disk as failed in metadata and try to write that metadata
2639 * to the disk itself to prevent it's later resurrection as STALE.
2640 */
2641 mdi->mdio_meta->disk[pd->pd_disk_pos].flags = INTEL_F_FAILED;
2642 pd->pd_disk_meta.flags = INTEL_F_FAILED;
2643 g_raid_md_intel_print(mdi->mdio_meta);
2644 if (tdisk->d_consumer)
2645 intel_meta_write(tdisk->d_consumer, mdi->mdio_meta);
2646
2647 /* Change states. */
2648 g_raid_change_disk_state(tdisk, G_RAID_DISK_S_FAILED);
2649 TAILQ_FOREACH(sd, &tdisk->d_subdisks, sd_next) {
2650 g_raid_change_subdisk_state(sd,
2651 G_RAID_SUBDISK_S_FAILED);
2652 g_raid_event_send(sd, G_RAID_SUBDISK_E_FAILED,
2653 G_RAID_EVENT_SUBDISK);
2654 }
2655
2656 /* Write updated metadata to remaining disks. */
2657 g_raid_md_write_intel(md, NULL, NULL, tdisk);
2658
2659 /* Check if anything left except placeholders. */
2660 if (g_raid_ndisks(sc, -1) ==
2661 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
2662 g_raid_destroy_node(sc, 0);
2663 else
2664 g_raid_md_intel_refill(sc);
2665 return (0);
2666 }
2667
2668 static int
g_raid_md_free_disk_intel(struct g_raid_md_object * md,struct g_raid_disk * disk)2669 g_raid_md_free_disk_intel(struct g_raid_md_object *md,
2670 struct g_raid_disk *disk)
2671 {
2672 struct g_raid_md_intel_perdisk *pd;
2673
2674 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2675 if (pd->pd_meta != NULL) {
2676 free(pd->pd_meta, M_MD_INTEL);
2677 pd->pd_meta = NULL;
2678 }
2679 free(pd, M_MD_INTEL);
2680 disk->d_md_data = NULL;
2681 return (0);
2682 }
2683
2684 static int
g_raid_md_free_volume_intel(struct g_raid_md_object * md,struct g_raid_volume * vol)2685 g_raid_md_free_volume_intel(struct g_raid_md_object *md,
2686 struct g_raid_volume *vol)
2687 {
2688 struct g_raid_md_intel_pervolume *pv;
2689
2690 pv = (struct g_raid_md_intel_pervolume *)vol->v_md_data;
2691 free(pv, M_MD_INTEL);
2692 vol->v_md_data = NULL;
2693 return (0);
2694 }
2695
2696 static int
g_raid_md_free_intel(struct g_raid_md_object * md)2697 g_raid_md_free_intel(struct g_raid_md_object *md)
2698 {
2699 struct g_raid_md_intel_object *mdi;
2700
2701 mdi = (struct g_raid_md_intel_object *)md;
2702 if (!mdi->mdio_started) {
2703 mdi->mdio_started = 0;
2704 callout_stop(&mdi->mdio_start_co);
2705 G_RAID_DEBUG1(1, md->mdo_softc,
2706 "root_mount_rel %p", mdi->mdio_rootmount);
2707 root_mount_rel(mdi->mdio_rootmount);
2708 mdi->mdio_rootmount = NULL;
2709 }
2710 if (mdi->mdio_meta != NULL) {
2711 free(mdi->mdio_meta, M_MD_INTEL);
2712 mdi->mdio_meta = NULL;
2713 }
2714 return (0);
2715 }
2716
2717 G_RAID_MD_DECLARE(intel, "Intel");
2718