1/*-
2 * Copyright (c) 2010 Alexander Motin <mav@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 2010 Alexander Motin <mav@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
|
28__FBSDID("$FreeBSD: head/sys/geom/raid/md_jmicron.c 220209 2011-03-31 16:14:35Z mav $");
| 28__FBSDID("$FreeBSD: head/sys/geom/raid/md_jmicron.c 220210 2011-03-31 16:19:53Z mav $");
|
29
30#include <sys/param.h>
31#include <sys/bio.h>
32#include <sys/endian.h>
33#include <sys/kernel.h>
34#include <sys/kobj.h>
35#include <sys/limits.h>
36#include <sys/lock.h>
37#include <sys/malloc.h>
38#include <sys/mutex.h>
39#include <sys/systm.h>
40#include <sys/taskqueue.h>
41#include <geom/geom.h>
42#include "geom/raid/g_raid.h"
43#include "g_raid_md_if.h"
44
45static MALLOC_DEFINE(M_MD_JMICRON, "md_jmicron_data", "GEOM_RAID JMicron metadata");
46
47#define JMICRON_MAX_DISKS 8
48#define JMICRON_MAX_SPARE 2
49
50struct jmicron_raid_conf {
51 u_int8_t signature[2];
52#define JMICRON_MAGIC "JM"
53
54 u_int16_t version;
55#define JMICRON_VERSION 0x0001
56
57 u_int16_t checksum;
58 u_int8_t filler_1[10];
59 u_int32_t disk_id;
60 u_int32_t offset;
61 u_int32_t disk_sectors_high;
62 u_int16_t disk_sectors_low;
63 u_int8_t filler_2[2];
64 u_int8_t name[16];
65 u_int8_t type;
66#define JMICRON_T_RAID0 0
67#define JMICRON_T_RAID1 1
68#define JMICRON_T_RAID01 2
69#define JMICRON_T_CONCAT 3
70#define JMICRON_T_RAID5 5
71
72 u_int8_t stripe_shift;
73 u_int16_t flags;
74#define JMICRON_F_READY 0x0001
75#define JMICRON_F_BOOTABLE 0x0002
76#define JMICRON_F_BADSEC 0x0004
77#define JMICRON_F_ACTIVE 0x0010
78#define JMICRON_F_UNSYNC 0x0020
79#define JMICRON_F_NEWEST 0x0040
80
81 u_int8_t filler_3[4];
82 u_int32_t spare[JMICRON_MAX_SPARE];
83 u_int32_t disks[JMICRON_MAX_DISKS];
84#define JMICRON_DISK_MASK 0xFFFFFFF0
85#define JMICRON_SEG_MASK 0x0000000F
86 u_int8_t filler_4[32];
87 u_int8_t filler_5[384];
88};
89
90struct g_raid_md_jmicron_perdisk {
91 struct jmicron_raid_conf *pd_meta;
92 int pd_disk_pos;
93 int pd_disk_id;
94 off_t pd_disk_size;
95};
96
97struct g_raid_md_jmicron_object {
98 struct g_raid_md_object mdio_base;
99 uint32_t mdio_config_id;
100 struct jmicron_raid_conf *mdio_meta;
101 struct callout mdio_start_co; /* STARTING state timer. */
102 int mdio_total_disks;
103 int mdio_disks_present;
104 int mdio_started;
105 int mdio_incomplete;
106 struct root_hold_token *mdio_rootmount; /* Root mount delay token. */
107};
108
109static g_raid_md_create_t g_raid_md_create_jmicron;
110static g_raid_md_taste_t g_raid_md_taste_jmicron;
111static g_raid_md_event_t g_raid_md_event_jmicron;
112static g_raid_md_ctl_t g_raid_md_ctl_jmicron;
113static g_raid_md_write_t g_raid_md_write_jmicron;
114static g_raid_md_fail_disk_t g_raid_md_fail_disk_jmicron;
115static g_raid_md_free_disk_t g_raid_md_free_disk_jmicron;
116static g_raid_md_free_t g_raid_md_free_jmicron;
117
118static kobj_method_t g_raid_md_jmicron_methods[] = {
119 KOBJMETHOD(g_raid_md_create, g_raid_md_create_jmicron),
120 KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_jmicron),
121 KOBJMETHOD(g_raid_md_event, g_raid_md_event_jmicron),
122 KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_jmicron),
123 KOBJMETHOD(g_raid_md_write, g_raid_md_write_jmicron),
124 KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_jmicron),
125 KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_jmicron),
126 KOBJMETHOD(g_raid_md_free, g_raid_md_free_jmicron),
127 { 0, 0 }
128};
129
130static struct g_raid_md_class g_raid_md_jmicron_class = {
131 "JMicron",
132 g_raid_md_jmicron_methods,
133 sizeof(struct g_raid_md_jmicron_object),
134 .mdc_priority = 100
135};
136
137static void
138g_raid_md_jmicron_print(struct jmicron_raid_conf *meta)
139{
140 int k;
141
142 if (g_raid_debug < 1)
143 return;
144
145 printf("********* ATA JMicron RAID Metadata *********\n");
146 printf("signature <%c%c>\n", meta->signature[0], meta->signature[1]);
147 printf("version %04x\n", meta->version);
148 printf("checksum 0x%04x\n", meta->checksum);
149 printf("disk_id 0x%08x\n", meta->disk_id);
150 printf("offset 0x%08x\n", meta->offset);
151 printf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high);
152 printf("disk_sectors_low 0x%04x\n", meta->disk_sectors_low);
153 printf("name <%.16s>\n", meta->name);
154 printf("type %d\n", meta->type);
155 printf("stripe_shift %d\n", meta->stripe_shift);
156 printf("flags %04x\n", meta->flags);
157 printf("spare ");
158 for (k = 0; k < JMICRON_MAX_SPARE; k++)
159 printf(" 0x%08x", meta->spare[k]);
160 printf("\n");
161 printf("disks ");
162 for (k = 0; k < JMICRON_MAX_DISKS; k++)
163 printf(" 0x%08x", meta->disks[k]);
164 printf("\n");
165 printf("=================================================\n");
166}
167
168static struct jmicron_raid_conf *
169jmicron_meta_copy(struct jmicron_raid_conf *meta)
170{
171 struct jmicron_raid_conf *nmeta;
172
173 nmeta = malloc(sizeof(*meta), M_MD_JMICRON, M_WAITOK);
174 memcpy(nmeta, meta, sizeof(*meta));
175 return (nmeta);
176}
177
178static int
179jmicron_meta_total_disks(struct jmicron_raid_conf *meta)
180{
181 int pos;
182
183 for (pos = 0; pos < JMICRON_MAX_DISKS; pos++) {
184 if (meta->disks[pos] == 0)
185 break;
186 }
187 return (pos);
188}
189
190static int
191jmicron_meta_total_spare(struct jmicron_raid_conf *meta)
192{
193 int pos, n;
194
195 n = 0;
196 for (pos = 0; pos < JMICRON_MAX_SPARE; pos++) {
197 if (meta->spare[pos] != 0)
198 n++;
199 }
200 return (n);
201}
202
203/*
204 * Generate fake Configuration ID based on disk IDs.
205 * Note: it will change after each disk set change.
206 */
207static uint32_t
208jmicron_meta_config_id(struct jmicron_raid_conf *meta)
209{
210 int pos;
211 uint32_t config_id;
212
213 config_id = 0;
214 for (pos = 0; pos < JMICRON_MAX_DISKS; pos++)
215 config_id += meta->disks[pos] << pos;
216 return (config_id);
217}
218
219static void
220jmicron_meta_get_name(struct jmicron_raid_conf *meta, char *buf)
221{
222 int i;
223
224 strncpy(buf, meta->name, 16);
225 buf[16] = 0;
226 for (i = 15; i >= 0; i--) {
227 if (buf[i] > 0x20)
228 break;
229 buf[i] = 0;
230 }
231}
232
233static void
234jmicron_meta_put_name(struct jmicron_raid_conf *meta, char *buf)
235{
236
237 memset(meta->name, 0x20, 16);
238 memcpy(meta->name, buf, MIN(strlen(buf), 16));
239}
240
241static int
242jmicron_meta_find_disk(struct jmicron_raid_conf *meta, uint32_t id)
243{
244 int pos;
245
246 id &= JMICRON_DISK_MASK;
247 for (pos = 0; pos < JMICRON_MAX_DISKS; pos++) {
248 if ((meta->disks[pos] & JMICRON_DISK_MASK) == id)
249 return (pos);
250 }
251 for (pos = 0; pos < JMICRON_MAX_SPARE; pos++) {
252 if ((meta->spare[pos] & JMICRON_DISK_MASK) == id)
253 return (-3);
254 }
255 return (-1);
256}
257
258static struct jmicron_raid_conf *
259jmicron_meta_read(struct g_consumer *cp)
260{
261 struct g_provider *pp;
262 struct jmicron_raid_conf *meta;
263 char *buf;
264 int error, i;
265 uint16_t checksum, *ptr;
266
267 pp = cp->provider;
268
269 /* Read the anchor sector. */
270 buf = g_read_data(cp,
271 pp->mediasize - pp->sectorsize, pp->sectorsize, &error);
272 if (buf == NULL) {
273 G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).",
274 pp->name, error);
275 return (NULL);
276 }
277 meta = (struct jmicron_raid_conf *)buf;
278
279 /* Check if this is an JMicron RAID struct */
280 if (strncmp(meta->signature, JMICRON_MAGIC, strlen(JMICRON_MAGIC))) {
281 G_RAID_DEBUG(1, "JMicron signature check failed on %s", pp->name);
282 g_free(buf);
283 return (NULL);
284 }
285 meta = malloc(sizeof(*meta), M_MD_JMICRON, M_WAITOK);
286 memcpy(meta, buf, min(sizeof(*meta), pp->sectorsize));
287 g_free(buf);
288
289 /* Check metadata checksum. */
290 for (checksum = 0, ptr = (uint16_t *)meta, i = 0; i < 64; i++)
291 checksum += *ptr++;
292 if (checksum != 0) {
293 G_RAID_DEBUG(1, "JMicron checksum check failed on %s", pp->name);
294 free(meta, M_MD_JMICRON);
295 return (NULL);
296 }
297
298 return (meta);
299}
300
301static int
302jmicron_meta_write(struct g_consumer *cp, struct jmicron_raid_conf *meta)
303{
304 struct g_provider *pp;
305 char *buf;
306 int error, i;
307 uint16_t checksum, *ptr;
308
309 pp = cp->provider;
310
311 /* Recalculate checksum for case if metadata were changed. */
312 meta->checksum = 0;
313 for (checksum = 0, ptr = (uint16_t *)meta, i = 0; i < 64; i++)
314 checksum += *ptr++;
315 meta->checksum -= checksum;
316
317 /* Create and fill buffer. */
318 buf = malloc(pp->sectorsize, M_MD_JMICRON, M_WAITOK | M_ZERO);
319 memcpy(buf, meta, sizeof(*meta));
320
321 error = g_write_data(cp,
322 pp->mediasize - pp->sectorsize, buf, pp->sectorsize);
323 if (error != 0) {
324 G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).",
325 pp->name, error);
326 }
327
328 free(buf, M_MD_JMICRON);
329 return (error);
330}
331
332static int
333jmicron_meta_erase(struct g_consumer *cp)
334{
335 struct g_provider *pp;
336 char *buf;
337 int error;
338
339 pp = cp->provider;
340 buf = malloc(pp->sectorsize, M_MD_JMICRON, M_WAITOK | M_ZERO);
341 error = g_write_data(cp,
342 pp->mediasize - pp->sectorsize, buf, pp->sectorsize);
343 if (error != 0) {
344 G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).",
345 pp->name, error);
346 }
347 free(buf, M_MD_JMICRON);
348 return (error);
349}
350
351static struct g_raid_disk *
352g_raid_md_jmicron_get_disk(struct g_raid_softc *sc, int id)
353{
354 struct g_raid_disk *disk;
355 struct g_raid_md_jmicron_perdisk *pd;
356
357 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
358 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
359 if (pd->pd_disk_pos == id)
360 break;
361 }
362 return (disk);
363}
364
365static int
366g_raid_md_jmicron_supported(int level, int qual, int disks, int force)
367{
368
369 if (disks > 8)
370 return (0);
371 switch (level) {
372 case G_RAID_VOLUME_RL_RAID0:
373 if (disks < 1)
374 return (0);
375 if (!force && (disks < 2 || disks > 6))
376 return (0);
377 break;
378 case G_RAID_VOLUME_RL_RAID1:
379 if (disks < 1)
380 return (0);
381 if (!force && (disks != 2))
382 return (0);
383 break;
384 case G_RAID_VOLUME_RL_RAID1E:
385 if (disks < 2)
386 return (0);
387 if (!force && (disks != 4))
388 return (0);
389 break;
390 case G_RAID_VOLUME_RL_SINGLE:
391 if (disks != 1)
392 return (0);
393 if (!force)
394 return (0);
395 break;
396 case G_RAID_VOLUME_RL_CONCAT:
397 if (disks < 2)
398 return (0);
399 break;
400 case G_RAID_VOLUME_RL_RAID5:
401 if (disks < 3)
402 return (0);
403 if (!force)
404 return (0);
405 break;
406 default:
407 return (0);
408 }
409 if (qual != G_RAID_VOLUME_RLQ_NONE)
410 return (0);
411 return (1);
412}
413
414static int
415g_raid_md_jmicron_start_disk(struct g_raid_disk *disk)
416{
417 struct g_raid_softc *sc;
418 struct g_raid_subdisk *sd, *tmpsd;
419 struct g_raid_disk *olddisk, *tmpdisk;
420 struct g_raid_md_object *md;
421 struct g_raid_md_jmicron_object *mdi;
422 struct g_raid_md_jmicron_perdisk *pd, *oldpd;
423 struct jmicron_raid_conf *meta;
424 int disk_pos, resurrection = 0;
425
426 sc = disk->d_softc;
427 md = sc->sc_md;
428 mdi = (struct g_raid_md_jmicron_object *)md;
429 meta = mdi->mdio_meta;
430 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
431 olddisk = NULL;
432
433 /* Find disk position in metadata by it's serial. */
434 if (pd->pd_meta != NULL)
435 disk_pos = jmicron_meta_find_disk(meta, pd->pd_disk_id);
436 else
437 disk_pos = -1;
438 if (disk_pos < 0) {
439 G_RAID_DEBUG1(1, sc, "Unknown, probably new or stale disk");
440 /* If we are in the start process, that's all for now. */
441 if (!mdi->mdio_started)
442 goto nofit;
443 /*
444 * If we have already started - try to get use of the disk.
445 * Try to replace OFFLINE disks first, then FAILED.
446 */
447 TAILQ_FOREACH(tmpdisk, &sc->sc_disks, d_next) {
448 if (tmpdisk->d_state != G_RAID_DISK_S_OFFLINE &&
449 tmpdisk->d_state != G_RAID_DISK_S_FAILED)
450 continue;
451 /* Make sure this disk is big enough. */
452 TAILQ_FOREACH(sd, &tmpdisk->d_subdisks, sd_next) {
453 if (sd->sd_offset + sd->sd_size + 512 >
454 pd->pd_disk_size) {
455 G_RAID_DEBUG1(1, sc,
456 "Disk too small (%ju < %ju)",
457 pd->pd_disk_size,
458 sd->sd_offset + sd->sd_size + 512);
459 break;
460 }
461 }
462 if (sd != NULL)
463 continue;
464 if (tmpdisk->d_state == G_RAID_DISK_S_OFFLINE) {
465 olddisk = tmpdisk;
466 break;
467 } else if (olddisk == NULL)
468 olddisk = tmpdisk;
469 }
470 if (olddisk == NULL) {
471nofit:
472 if (disk_pos == -3 || pd->pd_disk_pos == -3) {
473 g_raid_change_disk_state(disk,
474 G_RAID_DISK_S_SPARE);
475 return (1);
476 } else {
477 g_raid_change_disk_state(disk,
478 G_RAID_DISK_S_STALE);
479 return (0);
480 }
481 }
482 oldpd = (struct g_raid_md_jmicron_perdisk *)olddisk->d_md_data;
483 disk_pos = oldpd->pd_disk_pos;
484 resurrection = 1;
485 }
486
487 if (olddisk == NULL) {
488 /* Find placeholder by position. */
489 olddisk = g_raid_md_jmicron_get_disk(sc, disk_pos);
490 if (olddisk == NULL)
491 panic("No disk at position %d!", disk_pos);
492 if (olddisk->d_state != G_RAID_DISK_S_OFFLINE) {
493 G_RAID_DEBUG1(1, sc, "More then one disk for pos %d",
494 disk_pos);
495 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE);
496 return (0);
497 }
498 oldpd = (struct g_raid_md_jmicron_perdisk *)olddisk->d_md_data;
499 }
500
501 /* Replace failed disk or placeholder with new disk. */
502 TAILQ_FOREACH_SAFE(sd, &olddisk->d_subdisks, sd_next, tmpsd) {
503 TAILQ_REMOVE(&olddisk->d_subdisks, sd, sd_next);
504 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
505 sd->sd_disk = disk;
506 }
507 oldpd->pd_disk_pos = -2;
508 pd->pd_disk_pos = disk_pos;
509 /* Update global metadata just in case. */
510 meta->disks[disk_pos] = pd->pd_disk_id;
511
512 /* If it was placeholder -- destroy it. */
513 if (olddisk->d_state == G_RAID_DISK_S_OFFLINE) {
514 g_raid_destroy_disk(olddisk);
515 } else {
516 /* Otherwise, make it STALE_FAILED. */
517 g_raid_change_disk_state(olddisk, G_RAID_DISK_S_STALE_FAILED);
518 }
519
520 /* Welcome the new disk. */
521 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
522 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
523
524 /*
525 * Different disks may have different sizes/offsets,
526 * especially in concat mode. Update.
527 */
528 if (!resurrection) {
529 sd->sd_offset =
530 (off_t)pd->pd_meta->offset * 16 * 512; //ZZZ
531 sd->sd_size =
532 (((off_t)pd->pd_meta->disk_sectors_high << 16) +
533 pd->pd_meta->disk_sectors_low) * 512;
534 }
535
536 if (resurrection) {
537 /* Stale disk, almost same as new. */
538 g_raid_change_subdisk_state(sd,
539 G_RAID_SUBDISK_S_NEW);
540 } else if ((meta->flags & JMICRON_F_BADSEC) != 0 &&
541 (pd->pd_meta->flags & JMICRON_F_BADSEC) == 0) {
542 /* Cold-inserted or rebuilding disk. */
543 g_raid_change_subdisk_state(sd,
544 G_RAID_SUBDISK_S_NEW);
545 } else if (pd->pd_meta->flags & JMICRON_F_UNSYNC) {
546 /* Dirty or resyncing disk.. */
547 g_raid_change_subdisk_state(sd,
548 G_RAID_SUBDISK_S_STALE);
549 } else {
550 /* Up to date disk. */
551 g_raid_change_subdisk_state(sd,
552 G_RAID_SUBDISK_S_ACTIVE);
553 }
554 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
555 G_RAID_EVENT_SUBDISK);
556 }
557
558 /* Update status of our need for spare. */
559 if (mdi->mdio_started) {
560 mdi->mdio_incomplete =
561 (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
562 mdi->mdio_total_disks);
563 }
564
565 return (resurrection);
566}
567
568static void
569g_disk_md_jmicron_retaste(void *arg, int pending)
570{
571
572 G_RAID_DEBUG(1, "Array is not complete, trying to retaste.");
573 g_retaste(&g_raid_class);
574 free(arg, M_MD_JMICRON);
575}
576
577static void
578g_raid_md_jmicron_refill(struct g_raid_softc *sc)
579{
580 struct g_raid_md_object *md;
581 struct g_raid_md_jmicron_object *mdi;
| 29
30#include <sys/param.h>
31#include <sys/bio.h>
32#include <sys/endian.h>
33#include <sys/kernel.h>
34#include <sys/kobj.h>
35#include <sys/limits.h>
36#include <sys/lock.h>
37#include <sys/malloc.h>
38#include <sys/mutex.h>
39#include <sys/systm.h>
40#include <sys/taskqueue.h>
41#include <geom/geom.h>
42#include "geom/raid/g_raid.h"
43#include "g_raid_md_if.h"
44
45static MALLOC_DEFINE(M_MD_JMICRON, "md_jmicron_data", "GEOM_RAID JMicron metadata");
46
47#define JMICRON_MAX_DISKS 8
48#define JMICRON_MAX_SPARE 2
49
50struct jmicron_raid_conf {
51 u_int8_t signature[2];
52#define JMICRON_MAGIC "JM"
53
54 u_int16_t version;
55#define JMICRON_VERSION 0x0001
56
57 u_int16_t checksum;
58 u_int8_t filler_1[10];
59 u_int32_t disk_id;
60 u_int32_t offset;
61 u_int32_t disk_sectors_high;
62 u_int16_t disk_sectors_low;
63 u_int8_t filler_2[2];
64 u_int8_t name[16];
65 u_int8_t type;
66#define JMICRON_T_RAID0 0
67#define JMICRON_T_RAID1 1
68#define JMICRON_T_RAID01 2
69#define JMICRON_T_CONCAT 3
70#define JMICRON_T_RAID5 5
71
72 u_int8_t stripe_shift;
73 u_int16_t flags;
74#define JMICRON_F_READY 0x0001
75#define JMICRON_F_BOOTABLE 0x0002
76#define JMICRON_F_BADSEC 0x0004
77#define JMICRON_F_ACTIVE 0x0010
78#define JMICRON_F_UNSYNC 0x0020
79#define JMICRON_F_NEWEST 0x0040
80
81 u_int8_t filler_3[4];
82 u_int32_t spare[JMICRON_MAX_SPARE];
83 u_int32_t disks[JMICRON_MAX_DISKS];
84#define JMICRON_DISK_MASK 0xFFFFFFF0
85#define JMICRON_SEG_MASK 0x0000000F
86 u_int8_t filler_4[32];
87 u_int8_t filler_5[384];
88};
89
90struct g_raid_md_jmicron_perdisk {
91 struct jmicron_raid_conf *pd_meta;
92 int pd_disk_pos;
93 int pd_disk_id;
94 off_t pd_disk_size;
95};
96
97struct g_raid_md_jmicron_object {
98 struct g_raid_md_object mdio_base;
99 uint32_t mdio_config_id;
100 struct jmicron_raid_conf *mdio_meta;
101 struct callout mdio_start_co; /* STARTING state timer. */
102 int mdio_total_disks;
103 int mdio_disks_present;
104 int mdio_started;
105 int mdio_incomplete;
106 struct root_hold_token *mdio_rootmount; /* Root mount delay token. */
107};
108
109static g_raid_md_create_t g_raid_md_create_jmicron;
110static g_raid_md_taste_t g_raid_md_taste_jmicron;
111static g_raid_md_event_t g_raid_md_event_jmicron;
112static g_raid_md_ctl_t g_raid_md_ctl_jmicron;
113static g_raid_md_write_t g_raid_md_write_jmicron;
114static g_raid_md_fail_disk_t g_raid_md_fail_disk_jmicron;
115static g_raid_md_free_disk_t g_raid_md_free_disk_jmicron;
116static g_raid_md_free_t g_raid_md_free_jmicron;
117
118static kobj_method_t g_raid_md_jmicron_methods[] = {
119 KOBJMETHOD(g_raid_md_create, g_raid_md_create_jmicron),
120 KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_jmicron),
121 KOBJMETHOD(g_raid_md_event, g_raid_md_event_jmicron),
122 KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_jmicron),
123 KOBJMETHOD(g_raid_md_write, g_raid_md_write_jmicron),
124 KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_jmicron),
125 KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_jmicron),
126 KOBJMETHOD(g_raid_md_free, g_raid_md_free_jmicron),
127 { 0, 0 }
128};
129
130static struct g_raid_md_class g_raid_md_jmicron_class = {
131 "JMicron",
132 g_raid_md_jmicron_methods,
133 sizeof(struct g_raid_md_jmicron_object),
134 .mdc_priority = 100
135};
136
137static void
138g_raid_md_jmicron_print(struct jmicron_raid_conf *meta)
139{
140 int k;
141
142 if (g_raid_debug < 1)
143 return;
144
145 printf("********* ATA JMicron RAID Metadata *********\n");
146 printf("signature <%c%c>\n", meta->signature[0], meta->signature[1]);
147 printf("version %04x\n", meta->version);
148 printf("checksum 0x%04x\n", meta->checksum);
149 printf("disk_id 0x%08x\n", meta->disk_id);
150 printf("offset 0x%08x\n", meta->offset);
151 printf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high);
152 printf("disk_sectors_low 0x%04x\n", meta->disk_sectors_low);
153 printf("name <%.16s>\n", meta->name);
154 printf("type %d\n", meta->type);
155 printf("stripe_shift %d\n", meta->stripe_shift);
156 printf("flags %04x\n", meta->flags);
157 printf("spare ");
158 for (k = 0; k < JMICRON_MAX_SPARE; k++)
159 printf(" 0x%08x", meta->spare[k]);
160 printf("\n");
161 printf("disks ");
162 for (k = 0; k < JMICRON_MAX_DISKS; k++)
163 printf(" 0x%08x", meta->disks[k]);
164 printf("\n");
165 printf("=================================================\n");
166}
167
168static struct jmicron_raid_conf *
169jmicron_meta_copy(struct jmicron_raid_conf *meta)
170{
171 struct jmicron_raid_conf *nmeta;
172
173 nmeta = malloc(sizeof(*meta), M_MD_JMICRON, M_WAITOK);
174 memcpy(nmeta, meta, sizeof(*meta));
175 return (nmeta);
176}
177
178static int
179jmicron_meta_total_disks(struct jmicron_raid_conf *meta)
180{
181 int pos;
182
183 for (pos = 0; pos < JMICRON_MAX_DISKS; pos++) {
184 if (meta->disks[pos] == 0)
185 break;
186 }
187 return (pos);
188}
189
190static int
191jmicron_meta_total_spare(struct jmicron_raid_conf *meta)
192{
193 int pos, n;
194
195 n = 0;
196 for (pos = 0; pos < JMICRON_MAX_SPARE; pos++) {
197 if (meta->spare[pos] != 0)
198 n++;
199 }
200 return (n);
201}
202
203/*
204 * Generate fake Configuration ID based on disk IDs.
205 * Note: it will change after each disk set change.
206 */
207static uint32_t
208jmicron_meta_config_id(struct jmicron_raid_conf *meta)
209{
210 int pos;
211 uint32_t config_id;
212
213 config_id = 0;
214 for (pos = 0; pos < JMICRON_MAX_DISKS; pos++)
215 config_id += meta->disks[pos] << pos;
216 return (config_id);
217}
218
219static void
220jmicron_meta_get_name(struct jmicron_raid_conf *meta, char *buf)
221{
222 int i;
223
224 strncpy(buf, meta->name, 16);
225 buf[16] = 0;
226 for (i = 15; i >= 0; i--) {
227 if (buf[i] > 0x20)
228 break;
229 buf[i] = 0;
230 }
231}
232
233static void
234jmicron_meta_put_name(struct jmicron_raid_conf *meta, char *buf)
235{
236
237 memset(meta->name, 0x20, 16);
238 memcpy(meta->name, buf, MIN(strlen(buf), 16));
239}
240
241static int
242jmicron_meta_find_disk(struct jmicron_raid_conf *meta, uint32_t id)
243{
244 int pos;
245
246 id &= JMICRON_DISK_MASK;
247 for (pos = 0; pos < JMICRON_MAX_DISKS; pos++) {
248 if ((meta->disks[pos] & JMICRON_DISK_MASK) == id)
249 return (pos);
250 }
251 for (pos = 0; pos < JMICRON_MAX_SPARE; pos++) {
252 if ((meta->spare[pos] & JMICRON_DISK_MASK) == id)
253 return (-3);
254 }
255 return (-1);
256}
257
258static struct jmicron_raid_conf *
259jmicron_meta_read(struct g_consumer *cp)
260{
261 struct g_provider *pp;
262 struct jmicron_raid_conf *meta;
263 char *buf;
264 int error, i;
265 uint16_t checksum, *ptr;
266
267 pp = cp->provider;
268
269 /* Read the anchor sector. */
270 buf = g_read_data(cp,
271 pp->mediasize - pp->sectorsize, pp->sectorsize, &error);
272 if (buf == NULL) {
273 G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).",
274 pp->name, error);
275 return (NULL);
276 }
277 meta = (struct jmicron_raid_conf *)buf;
278
279 /* Check if this is an JMicron RAID struct */
280 if (strncmp(meta->signature, JMICRON_MAGIC, strlen(JMICRON_MAGIC))) {
281 G_RAID_DEBUG(1, "JMicron signature check failed on %s", pp->name);
282 g_free(buf);
283 return (NULL);
284 }
285 meta = malloc(sizeof(*meta), M_MD_JMICRON, M_WAITOK);
286 memcpy(meta, buf, min(sizeof(*meta), pp->sectorsize));
287 g_free(buf);
288
289 /* Check metadata checksum. */
290 for (checksum = 0, ptr = (uint16_t *)meta, i = 0; i < 64; i++)
291 checksum += *ptr++;
292 if (checksum != 0) {
293 G_RAID_DEBUG(1, "JMicron checksum check failed on %s", pp->name);
294 free(meta, M_MD_JMICRON);
295 return (NULL);
296 }
297
298 return (meta);
299}
300
301static int
302jmicron_meta_write(struct g_consumer *cp, struct jmicron_raid_conf *meta)
303{
304 struct g_provider *pp;
305 char *buf;
306 int error, i;
307 uint16_t checksum, *ptr;
308
309 pp = cp->provider;
310
311 /* Recalculate checksum for case if metadata were changed. */
312 meta->checksum = 0;
313 for (checksum = 0, ptr = (uint16_t *)meta, i = 0; i < 64; i++)
314 checksum += *ptr++;
315 meta->checksum -= checksum;
316
317 /* Create and fill buffer. */
318 buf = malloc(pp->sectorsize, M_MD_JMICRON, M_WAITOK | M_ZERO);
319 memcpy(buf, meta, sizeof(*meta));
320
321 error = g_write_data(cp,
322 pp->mediasize - pp->sectorsize, buf, pp->sectorsize);
323 if (error != 0) {
324 G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).",
325 pp->name, error);
326 }
327
328 free(buf, M_MD_JMICRON);
329 return (error);
330}
331
332static int
333jmicron_meta_erase(struct g_consumer *cp)
334{
335 struct g_provider *pp;
336 char *buf;
337 int error;
338
339 pp = cp->provider;
340 buf = malloc(pp->sectorsize, M_MD_JMICRON, M_WAITOK | M_ZERO);
341 error = g_write_data(cp,
342 pp->mediasize - pp->sectorsize, buf, pp->sectorsize);
343 if (error != 0) {
344 G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).",
345 pp->name, error);
346 }
347 free(buf, M_MD_JMICRON);
348 return (error);
349}
350
351static struct g_raid_disk *
352g_raid_md_jmicron_get_disk(struct g_raid_softc *sc, int id)
353{
354 struct g_raid_disk *disk;
355 struct g_raid_md_jmicron_perdisk *pd;
356
357 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
358 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
359 if (pd->pd_disk_pos == id)
360 break;
361 }
362 return (disk);
363}
364
365static int
366g_raid_md_jmicron_supported(int level, int qual, int disks, int force)
367{
368
369 if (disks > 8)
370 return (0);
371 switch (level) {
372 case G_RAID_VOLUME_RL_RAID0:
373 if (disks < 1)
374 return (0);
375 if (!force && (disks < 2 || disks > 6))
376 return (0);
377 break;
378 case G_RAID_VOLUME_RL_RAID1:
379 if (disks < 1)
380 return (0);
381 if (!force && (disks != 2))
382 return (0);
383 break;
384 case G_RAID_VOLUME_RL_RAID1E:
385 if (disks < 2)
386 return (0);
387 if (!force && (disks != 4))
388 return (0);
389 break;
390 case G_RAID_VOLUME_RL_SINGLE:
391 if (disks != 1)
392 return (0);
393 if (!force)
394 return (0);
395 break;
396 case G_RAID_VOLUME_RL_CONCAT:
397 if (disks < 2)
398 return (0);
399 break;
400 case G_RAID_VOLUME_RL_RAID5:
401 if (disks < 3)
402 return (0);
403 if (!force)
404 return (0);
405 break;
406 default:
407 return (0);
408 }
409 if (qual != G_RAID_VOLUME_RLQ_NONE)
410 return (0);
411 return (1);
412}
413
414static int
415g_raid_md_jmicron_start_disk(struct g_raid_disk *disk)
416{
417 struct g_raid_softc *sc;
418 struct g_raid_subdisk *sd, *tmpsd;
419 struct g_raid_disk *olddisk, *tmpdisk;
420 struct g_raid_md_object *md;
421 struct g_raid_md_jmicron_object *mdi;
422 struct g_raid_md_jmicron_perdisk *pd, *oldpd;
423 struct jmicron_raid_conf *meta;
424 int disk_pos, resurrection = 0;
425
426 sc = disk->d_softc;
427 md = sc->sc_md;
428 mdi = (struct g_raid_md_jmicron_object *)md;
429 meta = mdi->mdio_meta;
430 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
431 olddisk = NULL;
432
433 /* Find disk position in metadata by it's serial. */
434 if (pd->pd_meta != NULL)
435 disk_pos = jmicron_meta_find_disk(meta, pd->pd_disk_id);
436 else
437 disk_pos = -1;
438 if (disk_pos < 0) {
439 G_RAID_DEBUG1(1, sc, "Unknown, probably new or stale disk");
440 /* If we are in the start process, that's all for now. */
441 if (!mdi->mdio_started)
442 goto nofit;
443 /*
444 * If we have already started - try to get use of the disk.
445 * Try to replace OFFLINE disks first, then FAILED.
446 */
447 TAILQ_FOREACH(tmpdisk, &sc->sc_disks, d_next) {
448 if (tmpdisk->d_state != G_RAID_DISK_S_OFFLINE &&
449 tmpdisk->d_state != G_RAID_DISK_S_FAILED)
450 continue;
451 /* Make sure this disk is big enough. */
452 TAILQ_FOREACH(sd, &tmpdisk->d_subdisks, sd_next) {
453 if (sd->sd_offset + sd->sd_size + 512 >
454 pd->pd_disk_size) {
455 G_RAID_DEBUG1(1, sc,
456 "Disk too small (%ju < %ju)",
457 pd->pd_disk_size,
458 sd->sd_offset + sd->sd_size + 512);
459 break;
460 }
461 }
462 if (sd != NULL)
463 continue;
464 if (tmpdisk->d_state == G_RAID_DISK_S_OFFLINE) {
465 olddisk = tmpdisk;
466 break;
467 } else if (olddisk == NULL)
468 olddisk = tmpdisk;
469 }
470 if (olddisk == NULL) {
471nofit:
472 if (disk_pos == -3 || pd->pd_disk_pos == -3) {
473 g_raid_change_disk_state(disk,
474 G_RAID_DISK_S_SPARE);
475 return (1);
476 } else {
477 g_raid_change_disk_state(disk,
478 G_RAID_DISK_S_STALE);
479 return (0);
480 }
481 }
482 oldpd = (struct g_raid_md_jmicron_perdisk *)olddisk->d_md_data;
483 disk_pos = oldpd->pd_disk_pos;
484 resurrection = 1;
485 }
486
487 if (olddisk == NULL) {
488 /* Find placeholder by position. */
489 olddisk = g_raid_md_jmicron_get_disk(sc, disk_pos);
490 if (olddisk == NULL)
491 panic("No disk at position %d!", disk_pos);
492 if (olddisk->d_state != G_RAID_DISK_S_OFFLINE) {
493 G_RAID_DEBUG1(1, sc, "More then one disk for pos %d",
494 disk_pos);
495 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE);
496 return (0);
497 }
498 oldpd = (struct g_raid_md_jmicron_perdisk *)olddisk->d_md_data;
499 }
500
501 /* Replace failed disk or placeholder with new disk. */
502 TAILQ_FOREACH_SAFE(sd, &olddisk->d_subdisks, sd_next, tmpsd) {
503 TAILQ_REMOVE(&olddisk->d_subdisks, sd, sd_next);
504 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
505 sd->sd_disk = disk;
506 }
507 oldpd->pd_disk_pos = -2;
508 pd->pd_disk_pos = disk_pos;
509 /* Update global metadata just in case. */
510 meta->disks[disk_pos] = pd->pd_disk_id;
511
512 /* If it was placeholder -- destroy it. */
513 if (olddisk->d_state == G_RAID_DISK_S_OFFLINE) {
514 g_raid_destroy_disk(olddisk);
515 } else {
516 /* Otherwise, make it STALE_FAILED. */
517 g_raid_change_disk_state(olddisk, G_RAID_DISK_S_STALE_FAILED);
518 }
519
520 /* Welcome the new disk. */
521 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
522 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
523
524 /*
525 * Different disks may have different sizes/offsets,
526 * especially in concat mode. Update.
527 */
528 if (!resurrection) {
529 sd->sd_offset =
530 (off_t)pd->pd_meta->offset * 16 * 512; //ZZZ
531 sd->sd_size =
532 (((off_t)pd->pd_meta->disk_sectors_high << 16) +
533 pd->pd_meta->disk_sectors_low) * 512;
534 }
535
536 if (resurrection) {
537 /* Stale disk, almost same as new. */
538 g_raid_change_subdisk_state(sd,
539 G_RAID_SUBDISK_S_NEW);
540 } else if ((meta->flags & JMICRON_F_BADSEC) != 0 &&
541 (pd->pd_meta->flags & JMICRON_F_BADSEC) == 0) {
542 /* Cold-inserted or rebuilding disk. */
543 g_raid_change_subdisk_state(sd,
544 G_RAID_SUBDISK_S_NEW);
545 } else if (pd->pd_meta->flags & JMICRON_F_UNSYNC) {
546 /* Dirty or resyncing disk.. */
547 g_raid_change_subdisk_state(sd,
548 G_RAID_SUBDISK_S_STALE);
549 } else {
550 /* Up to date disk. */
551 g_raid_change_subdisk_state(sd,
552 G_RAID_SUBDISK_S_ACTIVE);
553 }
554 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
555 G_RAID_EVENT_SUBDISK);
556 }
557
558 /* Update status of our need for spare. */
559 if (mdi->mdio_started) {
560 mdi->mdio_incomplete =
561 (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
562 mdi->mdio_total_disks);
563 }
564
565 return (resurrection);
566}
567
568static void
569g_disk_md_jmicron_retaste(void *arg, int pending)
570{
571
572 G_RAID_DEBUG(1, "Array is not complete, trying to retaste.");
573 g_retaste(&g_raid_class);
574 free(arg, M_MD_JMICRON);
575}
576
577static void
578g_raid_md_jmicron_refill(struct g_raid_softc *sc)
579{
580 struct g_raid_md_object *md;
581 struct g_raid_md_jmicron_object *mdi;
|
582 struct jmicron_raid_conf *meta;
| |
583 struct g_raid_disk *disk;
584 struct task *task;
585 int update, na;
586
587 md = sc->sc_md;
588 mdi = (struct g_raid_md_jmicron_object *)md;
| 582 struct g_raid_disk *disk;
583 struct task *task;
584 int update, na;
585
586 md = sc->sc_md;
587 mdi = (struct g_raid_md_jmicron_object *)md;
|
589 meta = mdi->mdio_meta;
| |
590 update = 0;
591 do {
592 /* Make sure we miss anything. */
593 na = g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE);
594 if (na == mdi->mdio_total_disks)
595 break;
596
597 G_RAID_DEBUG1(1, md->mdo_softc,
598 "Array is not complete (%d of %d), "
599 "trying to refill.", na, mdi->mdio_total_disks);
600
601 /* Try to get use some of STALE disks. */
602 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
603 if (disk->d_state == G_RAID_DISK_S_STALE) {
604 update += g_raid_md_jmicron_start_disk(disk);
605 if (disk->d_state == G_RAID_DISK_S_ACTIVE)
606 break;
607 }
608 }
609 if (disk != NULL)
610 continue;
611
612 /* Try to get use some of SPARE disks. */
613 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
614 if (disk->d_state == G_RAID_DISK_S_SPARE) {
615 update += g_raid_md_jmicron_start_disk(disk);
616 if (disk->d_state == G_RAID_DISK_S_ACTIVE)
617 break;
618 }
619 }
620 } while (disk != NULL);
621
622 /* Write new metadata if we changed something. */
| 588 update = 0;
589 do {
590 /* Make sure we miss anything. */
591 na = g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE);
592 if (na == mdi->mdio_total_disks)
593 break;
594
595 G_RAID_DEBUG1(1, md->mdo_softc,
596 "Array is not complete (%d of %d), "
597 "trying to refill.", na, mdi->mdio_total_disks);
598
599 /* Try to get use some of STALE disks. */
600 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
601 if (disk->d_state == G_RAID_DISK_S_STALE) {
602 update += g_raid_md_jmicron_start_disk(disk);
603 if (disk->d_state == G_RAID_DISK_S_ACTIVE)
604 break;
605 }
606 }
607 if (disk != NULL)
608 continue;
609
610 /* Try to get use some of SPARE disks. */
611 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
612 if (disk->d_state == G_RAID_DISK_S_SPARE) {
613 update += g_raid_md_jmicron_start_disk(disk);
614 if (disk->d_state == G_RAID_DISK_S_ACTIVE)
615 break;
616 }
617 }
618 } while (disk != NULL);
619
620 /* Write new metadata if we changed something. */
|
623 if (update) {
| 621 if (update)
|
624 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
| 622 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
|
625 meta = mdi->mdio_meta;
626 }
| |
627
628 /* Update status of our need for spare. */
629 mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
630 mdi->mdio_total_disks);
631
632 /* Request retaste hoping to find spare. */
633 if (mdi->mdio_incomplete) {
634 task = malloc(sizeof(struct task),
635 M_MD_JMICRON, M_WAITOK | M_ZERO);
636 TASK_INIT(task, 0, g_disk_md_jmicron_retaste, task);
637 taskqueue_enqueue(taskqueue_swi, task);
638 }
639}
640
641static void
642g_raid_md_jmicron_start(struct g_raid_softc *sc)
643{
644 struct g_raid_md_object *md;
645 struct g_raid_md_jmicron_object *mdi;
646 struct g_raid_md_jmicron_perdisk *pd;
647 struct jmicron_raid_conf *meta;
648 struct g_raid_volume *vol;
649 struct g_raid_subdisk *sd;
650 struct g_raid_disk *disk;
651 off_t size;
652 int j, disk_pos;
653 char buf[17];
654
655 md = sc->sc_md;
656 mdi = (struct g_raid_md_jmicron_object *)md;
657 meta = mdi->mdio_meta;
658
659 /* Create volumes and subdisks. */
660 jmicron_meta_get_name(meta, buf);
661 vol = g_raid_create_volume(sc, buf, -1);
662 size = ((off_t)meta->disk_sectors_high << 16) + meta->disk_sectors_low;
663 size *= 512; //ZZZ
664 if (meta->type == JMICRON_T_RAID0) {
665 vol->v_raid_level = G_RAID_VOLUME_RL_RAID0;
666 vol->v_mediasize = size * mdi->mdio_total_disks;
667 } else if (meta->type == JMICRON_T_RAID1) {
668 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
669 vol->v_mediasize = size;
670 } else if (meta->type == JMICRON_T_RAID01) {
671 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
672 vol->v_mediasize = size * mdi->mdio_total_disks / 2;
673 } else if (meta->type == JMICRON_T_CONCAT) {
674 if (mdi->mdio_total_disks == 1)
675 vol->v_raid_level = G_RAID_VOLUME_RL_SINGLE;
676 else
677 vol->v_raid_level = G_RAID_VOLUME_RL_CONCAT;
678 vol->v_mediasize = 0;
679 } else if (meta->type == JMICRON_T_RAID5) {
680 vol->v_raid_level = G_RAID_VOLUME_RL_RAID5;
681 vol->v_mediasize = size * (mdi->mdio_total_disks - 1);
682 } else {
683 vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN;
684 vol->v_mediasize = 0;
685 }
686 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE;
687 vol->v_strip_size = 1024 << meta->stripe_shift; //ZZZ
688 vol->v_disks_count = mdi->mdio_total_disks;
689 vol->v_sectorsize = 512; //ZZZ
690 for (j = 0; j < vol->v_disks_count; j++) {
691 sd = &vol->v_subdisks[j];
692 sd->sd_offset = (off_t)meta->offset * 16 * 512; //ZZZ
693 sd->sd_size = size;
694 }
695 g_raid_start_volume(vol);
696
697 /* Create disk placeholders to store data for later writing. */
698 for (disk_pos = 0; disk_pos < mdi->mdio_total_disks; disk_pos++) {
699 pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO);
700 pd->pd_disk_pos = disk_pos;
701 pd->pd_disk_id = meta->disks[disk_pos];
702 disk = g_raid_create_disk(sc);
703 disk->d_md_data = (void *)pd;
704 disk->d_state = G_RAID_DISK_S_OFFLINE;
705 sd = &vol->v_subdisks[disk_pos];
706 sd->sd_disk = disk;
707 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
708 }
709
710 /* Make all disks found till the moment take their places. */
711 do {
712 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
713 if (disk->d_state == G_RAID_DISK_S_NONE) {
714 g_raid_md_jmicron_start_disk(disk);
715 break;
716 }
717 }
718 } while (disk != NULL);
719
720 mdi->mdio_started = 1;
721 G_RAID_DEBUG1(0, sc, "Array started.");
722 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
723
724 /* Pickup any STALE/SPARE disks to refill array if needed. */
725 g_raid_md_jmicron_refill(sc);
726
727 g_raid_event_send(vol, G_RAID_VOLUME_E_START, G_RAID_EVENT_VOLUME);
728
729 callout_stop(&mdi->mdio_start_co);
730 G_RAID_DEBUG1(1, sc, "root_mount_rel %p", mdi->mdio_rootmount);
731 root_mount_rel(mdi->mdio_rootmount);
732 mdi->mdio_rootmount = NULL;
733}
734
735static void
736g_raid_md_jmicron_new_disk(struct g_raid_disk *disk)
737{
738 struct g_raid_softc *sc;
739 struct g_raid_md_object *md;
740 struct g_raid_md_jmicron_object *mdi;
741 struct jmicron_raid_conf *pdmeta;
742 struct g_raid_md_jmicron_perdisk *pd;
743
744 sc = disk->d_softc;
745 md = sc->sc_md;
746 mdi = (struct g_raid_md_jmicron_object *)md;
747 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
748 pdmeta = pd->pd_meta;
749
750 if (mdi->mdio_started) {
751 if (g_raid_md_jmicron_start_disk(disk))
752 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
753 } else {
754 /*
755 * If we haven't started yet - update common metadata
756 * to get subdisks details, avoiding data from spare disks.
757 */
758 if (mdi->mdio_meta == NULL ||
759 jmicron_meta_find_disk(mdi->mdio_meta,
760 mdi->mdio_meta->disk_id) == -3) {
761 if (mdi->mdio_meta != NULL)
762 free(mdi->mdio_meta, M_MD_JMICRON);
763 mdi->mdio_meta = jmicron_meta_copy(pdmeta);
764 mdi->mdio_total_disks = jmicron_meta_total_disks(pdmeta);
765 }
766 mdi->mdio_meta->flags |= pdmeta->flags & JMICRON_F_BADSEC;
767
768 mdi->mdio_disks_present++;
769 G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d+%d up)",
770 mdi->mdio_disks_present,
771 mdi->mdio_total_disks,
772 jmicron_meta_total_spare(mdi->mdio_meta));
773
774 /* If we collected all needed disks - start array. */
775 if (mdi->mdio_disks_present == mdi->mdio_total_disks +
776 jmicron_meta_total_spare(mdi->mdio_meta))
777 g_raid_md_jmicron_start(sc);
778 }
779}
780
781static void
782g_raid_jmicron_go(void *arg)
783{
784 struct g_raid_softc *sc;
785 struct g_raid_md_object *md;
786 struct g_raid_md_jmicron_object *mdi;
787
788 sc = arg;
789 md = sc->sc_md;
790 mdi = (struct g_raid_md_jmicron_object *)md;
791 if (!mdi->mdio_started) {
792 G_RAID_DEBUG1(0, sc, "Force array start due to timeout.");
793 g_raid_event_send(sc, G_RAID_NODE_E_START, 0);
794 }
795}
796
797static int
798g_raid_md_create_jmicron(struct g_raid_md_object *md, struct g_class *mp,
799 struct g_geom **gp)
800{
801 struct g_raid_softc *sc;
802 struct g_raid_md_jmicron_object *mdi;
803 char name[16];
804
805 mdi = (struct g_raid_md_jmicron_object *)md;
806 mdi->mdio_config_id = arc4random();
807 snprintf(name, sizeof(name), "JMicron-%08x", mdi->mdio_config_id);
808 sc = g_raid_create_node(mp, name, md);
809 if (sc == NULL)
810 return (G_RAID_MD_TASTE_FAIL);
811 md->mdo_softc = sc;
812 *gp = sc->sc_geom;
813 return (G_RAID_MD_TASTE_NEW);
814}
815
816static int
817g_raid_md_taste_jmicron(struct g_raid_md_object *md, struct g_class *mp,
818 struct g_consumer *cp, struct g_geom **gp)
819{
820 struct g_consumer *rcp;
821 struct g_provider *pp;
822 struct g_raid_md_jmicron_object *mdi, *mdi1;
823 struct g_raid_softc *sc;
824 struct g_raid_disk *disk;
825 struct jmicron_raid_conf *meta;
826 struct g_raid_md_jmicron_perdisk *pd;
827 struct g_geom *geom;
828 int error, disk_pos, result, spare, len;
829 char name[16];
830 uint16_t vendor;
831
832 G_RAID_DEBUG(1, "Tasting JMicron on %s", cp->provider->name);
833 mdi = (struct g_raid_md_jmicron_object *)md;
834 pp = cp->provider;
835
836 /* Read metadata from device. */
837 meta = NULL;
| 623
624 /* Update status of our need for spare. */
625 mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
626 mdi->mdio_total_disks);
627
628 /* Request retaste hoping to find spare. */
629 if (mdi->mdio_incomplete) {
630 task = malloc(sizeof(struct task),
631 M_MD_JMICRON, M_WAITOK | M_ZERO);
632 TASK_INIT(task, 0, g_disk_md_jmicron_retaste, task);
633 taskqueue_enqueue(taskqueue_swi, task);
634 }
635}
636
637static void
638g_raid_md_jmicron_start(struct g_raid_softc *sc)
639{
640 struct g_raid_md_object *md;
641 struct g_raid_md_jmicron_object *mdi;
642 struct g_raid_md_jmicron_perdisk *pd;
643 struct jmicron_raid_conf *meta;
644 struct g_raid_volume *vol;
645 struct g_raid_subdisk *sd;
646 struct g_raid_disk *disk;
647 off_t size;
648 int j, disk_pos;
649 char buf[17];
650
651 md = sc->sc_md;
652 mdi = (struct g_raid_md_jmicron_object *)md;
653 meta = mdi->mdio_meta;
654
655 /* Create volumes and subdisks. */
656 jmicron_meta_get_name(meta, buf);
657 vol = g_raid_create_volume(sc, buf, -1);
658 size = ((off_t)meta->disk_sectors_high << 16) + meta->disk_sectors_low;
659 size *= 512; //ZZZ
660 if (meta->type == JMICRON_T_RAID0) {
661 vol->v_raid_level = G_RAID_VOLUME_RL_RAID0;
662 vol->v_mediasize = size * mdi->mdio_total_disks;
663 } else if (meta->type == JMICRON_T_RAID1) {
664 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
665 vol->v_mediasize = size;
666 } else if (meta->type == JMICRON_T_RAID01) {
667 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
668 vol->v_mediasize = size * mdi->mdio_total_disks / 2;
669 } else if (meta->type == JMICRON_T_CONCAT) {
670 if (mdi->mdio_total_disks == 1)
671 vol->v_raid_level = G_RAID_VOLUME_RL_SINGLE;
672 else
673 vol->v_raid_level = G_RAID_VOLUME_RL_CONCAT;
674 vol->v_mediasize = 0;
675 } else if (meta->type == JMICRON_T_RAID5) {
676 vol->v_raid_level = G_RAID_VOLUME_RL_RAID5;
677 vol->v_mediasize = size * (mdi->mdio_total_disks - 1);
678 } else {
679 vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN;
680 vol->v_mediasize = 0;
681 }
682 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE;
683 vol->v_strip_size = 1024 << meta->stripe_shift; //ZZZ
684 vol->v_disks_count = mdi->mdio_total_disks;
685 vol->v_sectorsize = 512; //ZZZ
686 for (j = 0; j < vol->v_disks_count; j++) {
687 sd = &vol->v_subdisks[j];
688 sd->sd_offset = (off_t)meta->offset * 16 * 512; //ZZZ
689 sd->sd_size = size;
690 }
691 g_raid_start_volume(vol);
692
693 /* Create disk placeholders to store data for later writing. */
694 for (disk_pos = 0; disk_pos < mdi->mdio_total_disks; disk_pos++) {
695 pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO);
696 pd->pd_disk_pos = disk_pos;
697 pd->pd_disk_id = meta->disks[disk_pos];
698 disk = g_raid_create_disk(sc);
699 disk->d_md_data = (void *)pd;
700 disk->d_state = G_RAID_DISK_S_OFFLINE;
701 sd = &vol->v_subdisks[disk_pos];
702 sd->sd_disk = disk;
703 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
704 }
705
706 /* Make all disks found till the moment take their places. */
707 do {
708 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
709 if (disk->d_state == G_RAID_DISK_S_NONE) {
710 g_raid_md_jmicron_start_disk(disk);
711 break;
712 }
713 }
714 } while (disk != NULL);
715
716 mdi->mdio_started = 1;
717 G_RAID_DEBUG1(0, sc, "Array started.");
718 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
719
720 /* Pickup any STALE/SPARE disks to refill array if needed. */
721 g_raid_md_jmicron_refill(sc);
722
723 g_raid_event_send(vol, G_RAID_VOLUME_E_START, G_RAID_EVENT_VOLUME);
724
725 callout_stop(&mdi->mdio_start_co);
726 G_RAID_DEBUG1(1, sc, "root_mount_rel %p", mdi->mdio_rootmount);
727 root_mount_rel(mdi->mdio_rootmount);
728 mdi->mdio_rootmount = NULL;
729}
730
731static void
732g_raid_md_jmicron_new_disk(struct g_raid_disk *disk)
733{
734 struct g_raid_softc *sc;
735 struct g_raid_md_object *md;
736 struct g_raid_md_jmicron_object *mdi;
737 struct jmicron_raid_conf *pdmeta;
738 struct g_raid_md_jmicron_perdisk *pd;
739
740 sc = disk->d_softc;
741 md = sc->sc_md;
742 mdi = (struct g_raid_md_jmicron_object *)md;
743 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
744 pdmeta = pd->pd_meta;
745
746 if (mdi->mdio_started) {
747 if (g_raid_md_jmicron_start_disk(disk))
748 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
749 } else {
750 /*
751 * If we haven't started yet - update common metadata
752 * to get subdisks details, avoiding data from spare disks.
753 */
754 if (mdi->mdio_meta == NULL ||
755 jmicron_meta_find_disk(mdi->mdio_meta,
756 mdi->mdio_meta->disk_id) == -3) {
757 if (mdi->mdio_meta != NULL)
758 free(mdi->mdio_meta, M_MD_JMICRON);
759 mdi->mdio_meta = jmicron_meta_copy(pdmeta);
760 mdi->mdio_total_disks = jmicron_meta_total_disks(pdmeta);
761 }
762 mdi->mdio_meta->flags |= pdmeta->flags & JMICRON_F_BADSEC;
763
764 mdi->mdio_disks_present++;
765 G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d+%d up)",
766 mdi->mdio_disks_present,
767 mdi->mdio_total_disks,
768 jmicron_meta_total_spare(mdi->mdio_meta));
769
770 /* If we collected all needed disks - start array. */
771 if (mdi->mdio_disks_present == mdi->mdio_total_disks +
772 jmicron_meta_total_spare(mdi->mdio_meta))
773 g_raid_md_jmicron_start(sc);
774 }
775}
776
777static void
778g_raid_jmicron_go(void *arg)
779{
780 struct g_raid_softc *sc;
781 struct g_raid_md_object *md;
782 struct g_raid_md_jmicron_object *mdi;
783
784 sc = arg;
785 md = sc->sc_md;
786 mdi = (struct g_raid_md_jmicron_object *)md;
787 if (!mdi->mdio_started) {
788 G_RAID_DEBUG1(0, sc, "Force array start due to timeout.");
789 g_raid_event_send(sc, G_RAID_NODE_E_START, 0);
790 }
791}
792
793static int
794g_raid_md_create_jmicron(struct g_raid_md_object *md, struct g_class *mp,
795 struct g_geom **gp)
796{
797 struct g_raid_softc *sc;
798 struct g_raid_md_jmicron_object *mdi;
799 char name[16];
800
801 mdi = (struct g_raid_md_jmicron_object *)md;
802 mdi->mdio_config_id = arc4random();
803 snprintf(name, sizeof(name), "JMicron-%08x", mdi->mdio_config_id);
804 sc = g_raid_create_node(mp, name, md);
805 if (sc == NULL)
806 return (G_RAID_MD_TASTE_FAIL);
807 md->mdo_softc = sc;
808 *gp = sc->sc_geom;
809 return (G_RAID_MD_TASTE_NEW);
810}
811
812static int
813g_raid_md_taste_jmicron(struct g_raid_md_object *md, struct g_class *mp,
814 struct g_consumer *cp, struct g_geom **gp)
815{
816 struct g_consumer *rcp;
817 struct g_provider *pp;
818 struct g_raid_md_jmicron_object *mdi, *mdi1;
819 struct g_raid_softc *sc;
820 struct g_raid_disk *disk;
821 struct jmicron_raid_conf *meta;
822 struct g_raid_md_jmicron_perdisk *pd;
823 struct g_geom *geom;
824 int error, disk_pos, result, spare, len;
825 char name[16];
826 uint16_t vendor;
827
828 G_RAID_DEBUG(1, "Tasting JMicron on %s", cp->provider->name);
829 mdi = (struct g_raid_md_jmicron_object *)md;
830 pp = cp->provider;
831
832 /* Read metadata from device. */
833 meta = NULL;
|
838 spare = 0;
| |
839 vendor = 0xffff;
| 834 vendor = 0xffff;
|
840 disk_pos = 0;
| |
841 if (g_access(cp, 1, 0, 0) != 0)
842 return (G_RAID_MD_TASTE_FAIL);
843 g_topology_unlock();
844 len = 2;
845 if (pp->geom->rank == 1)
846 g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor);
847 meta = jmicron_meta_read(cp);
848 g_topology_lock();
849 g_access(cp, -1, 0, 0);
850 if (meta == NULL) {
851 if (g_raid_aggressive_spare) {
852 if (vendor == 0x197b) {
853 G_RAID_DEBUG(1,
854 "No JMicron metadata, forcing spare.");
855 spare = 2;
856 goto search;
857 } else {
858 G_RAID_DEBUG(1,
859 "JMicron vendor mismatch 0x%04x != 0x197b",
860 vendor);
861 }
862 }
863 return (G_RAID_MD_TASTE_FAIL);
864 }
865
866 /* Check this disk position in obtained metadata. */
867 disk_pos = jmicron_meta_find_disk(meta, meta->disk_id);
868 if (disk_pos == -1) {
869 G_RAID_DEBUG(1, "JMicron disk_id %08x not found",
870 meta->disk_id);
871 goto fail1;
872 }
873
874 /* Metadata valid. Print it. */
875 g_raid_md_jmicron_print(meta);
876 G_RAID_DEBUG(1, "JMicron disk position %d", disk_pos);
877 spare = (disk_pos == -2) ? 1 : 0;
878
879search:
880 /* Search for matching node. */
881 sc = NULL;
882 mdi1 = NULL;
883 LIST_FOREACH(geom, &mp->geom, geom) {
884 sc = geom->softc;
885 if (sc == NULL)
886 continue;
887 if (sc->sc_stopping != 0)
888 continue;
889 if (sc->sc_md->mdo_class != md->mdo_class)
890 continue;
891 mdi1 = (struct g_raid_md_jmicron_object *)sc->sc_md;
892 if (spare == 2) {
893 if (mdi1->mdio_incomplete)
894 break;
895 } else {
896 if (mdi1->mdio_config_id ==
897 jmicron_meta_config_id(meta))
898 break;
899 }
900 }
901
902 /* Found matching node. */
903 if (geom != NULL) {
904 G_RAID_DEBUG(1, "Found matching array %s", sc->sc_name);
905 result = G_RAID_MD_TASTE_EXISTING;
906
907 } else if (spare) { /* Not found needy node -- left for later. */
908 G_RAID_DEBUG(1, "Spare is not needed at this time");
909 goto fail1;
910
911 } else { /* Not found matching node -- create one. */
912 result = G_RAID_MD_TASTE_NEW;
913 mdi->mdio_config_id = jmicron_meta_config_id(meta);
914 snprintf(name, sizeof(name), "JMicron-%08x",
915 mdi->mdio_config_id);
916 sc = g_raid_create_node(mp, name, md);
917 md->mdo_softc = sc;
918 geom = sc->sc_geom;
919 callout_init(&mdi->mdio_start_co, 1);
920 callout_reset(&mdi->mdio_start_co, g_raid_start_timeout * hz,
921 g_raid_jmicron_go, sc);
922 mdi->mdio_rootmount = root_mount_hold("GRAID-JMicron");
923 G_RAID_DEBUG1(1, sc, "root_mount_hold %p", mdi->mdio_rootmount);
924 }
925
926 rcp = g_new_consumer(geom);
927 g_attach(rcp, pp);
928 if (g_access(rcp, 1, 1, 1) != 0)
929 ; //goto fail1;
930
931 g_topology_unlock();
932 sx_xlock(&sc->sc_lock);
933
934 pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO);
935 pd->pd_meta = meta;
936 if (spare == 2) {
937 pd->pd_disk_pos = -3;
938 pd->pd_disk_id = arc4random() & JMICRON_DISK_MASK;
939 } else {
940 pd->pd_disk_pos = -1;
941 pd->pd_disk_id = meta->disk_id;
942 }
943 pd->pd_disk_size = pp->mediasize;
944 disk = g_raid_create_disk(sc);
945 disk->d_md_data = (void *)pd;
946 disk->d_consumer = rcp;
947 rcp->private = disk;
948
949 /* Read kernel dumping information. */
950 disk->d_kd.offset = 0;
951 disk->d_kd.length = OFF_MAX;
952 len = sizeof(disk->d_kd);
953 error = g_io_getattr("GEOM::kerneldump", rcp, &len, &disk->d_kd);
954 if (disk->d_kd.di.dumper == NULL)
955 G_RAID_DEBUG1(2, sc, "Dumping not supported by %s: %d.",
956 rcp->provider->name, error);
957
958 g_raid_md_jmicron_new_disk(disk);
959
960 sx_xunlock(&sc->sc_lock);
961 g_topology_lock();
962 *gp = geom;
963 return (result);
964fail1:
965 free(meta, M_MD_JMICRON);
966 return (G_RAID_MD_TASTE_FAIL);
967}
968
969static int
970g_raid_md_event_jmicron(struct g_raid_md_object *md,
971 struct g_raid_disk *disk, u_int event)
972{
973 struct g_raid_softc *sc;
974 struct g_raid_subdisk *sd;
975 struct g_raid_md_jmicron_object *mdi;
976 struct g_raid_md_jmicron_perdisk *pd;
977
978 sc = md->mdo_softc;
979 mdi = (struct g_raid_md_jmicron_object *)md;
980 if (disk == NULL) {
981 switch (event) {
982 case G_RAID_NODE_E_START:
983 if (!mdi->mdio_started)
984 g_raid_md_jmicron_start(sc);
985 return (0);
986 }
987 return (-1);
988 }
989 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
990 switch (event) {
991 case G_RAID_DISK_E_DISCONNECTED:
992 /* If disk was assigned, just update statuses. */
993 if (pd->pd_disk_pos >= 0) {
994 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
995 if (disk->d_consumer) {
996 g_raid_kill_consumer(sc, disk->d_consumer);
997 disk->d_consumer = NULL;
998 }
999 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
1000 g_raid_change_subdisk_state(sd,
1001 G_RAID_SUBDISK_S_NONE);
1002 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
1003 G_RAID_EVENT_SUBDISK);
1004 }
1005 } else {
1006 /* Otherwise -- delete. */
1007 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
1008 g_raid_destroy_disk(disk);
1009 }
1010
1011 /* Write updated metadata to all disks. */
1012 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
1013
1014 /* Check if anything left except placeholders. */
1015 if (g_raid_ndisks(sc, -1) ==
1016 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1017 g_raid_destroy_node(sc, 0);
1018 else
1019 g_raid_md_jmicron_refill(sc);
1020 return (0);
1021 }
1022 return (-2);
1023}
1024
1025static int
1026g_raid_md_ctl_jmicron(struct g_raid_md_object *md,
1027 struct gctl_req *req)
1028{
1029 struct g_raid_softc *sc;
1030 struct g_raid_volume *vol;
1031 struct g_raid_subdisk *sd;
1032 struct g_raid_disk *disk;
1033 struct g_raid_md_jmicron_object *mdi;
1034 struct g_raid_md_jmicron_perdisk *pd;
1035 struct g_consumer *cp;
1036 struct g_provider *pp;
1037 char arg[16];
1038 const char *verb, *volname, *levelname, *diskname;
1039 int *nargs, *force;
1040 off_t size, sectorsize, strip;
1041 intmax_t *sizearg, *striparg;
1042 int numdisks, i, len, level, qual, update;
1043 int error;
1044
1045 sc = md->mdo_softc;
1046 mdi = (struct g_raid_md_jmicron_object *)md;
1047 verb = gctl_get_param(req, "verb", NULL);
1048 nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
1049 error = 0;
1050 if (strcmp(verb, "label") == 0) {
1051
1052 if (*nargs < 4) {
1053 gctl_error(req, "Invalid number of arguments.");
1054 return (-1);
1055 }
1056 volname = gctl_get_asciiparam(req, "arg1");
1057 if (volname == NULL) {
1058 gctl_error(req, "No volume name.");
1059 return (-2);
1060 }
1061 levelname = gctl_get_asciiparam(req, "arg2");
1062 if (levelname == NULL) {
1063 gctl_error(req, "No RAID level.");
1064 return (-3);
1065 }
1066 if (g_raid_volume_str2level(levelname, &level, &qual)) {
1067 gctl_error(req, "Unknown RAID level '%s'.", levelname);
1068 return (-4);
1069 }
1070 numdisks = *nargs - 3;
1071 force = gctl_get_paraml(req, "force", sizeof(*force));
1072 if (!g_raid_md_jmicron_supported(level, qual, numdisks,
1073 force ? *force : 0)) {
1074 gctl_error(req, "Unsupported RAID level "
1075 "(0x%02x/0x%02x), or number of disks (%d).",
1076 level, qual, numdisks);
1077 return (-5);
1078 }
1079
1080 /* Search for disks, connect them and probe. */
1081 size = 0x7fffffffffffffffllu;
1082 sectorsize = 0;
1083 for (i = 0; i < numdisks; i++) {
1084 snprintf(arg, sizeof(arg), "arg%d", i + 3);
1085 diskname = gctl_get_asciiparam(req, arg);
1086 if (diskname == NULL) {
1087 gctl_error(req, "No disk name (%s).", arg);
1088 error = -6;
1089 break;
1090 }
1091 if (strcmp(diskname, "NONE") == 0) {
1092 cp = NULL;
1093 pp = NULL;
1094 } else {
1095 g_topology_lock();
1096 cp = g_raid_open_consumer(sc, diskname);
1097 if (cp == NULL) {
1098 gctl_error(req, "Can't open '%s'.",
1099 diskname);
1100 g_topology_unlock();
1101 error = -7;
1102 break;
1103 }
1104 pp = cp->provider;
1105 }
1106 pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO);
1107 pd->pd_disk_pos = i;
1108 pd->pd_disk_id = arc4random() & JMICRON_DISK_MASK;
1109 disk = g_raid_create_disk(sc);
1110 disk->d_md_data = (void *)pd;
1111 disk->d_consumer = cp;
1112 if (cp == NULL)
1113 continue;
1114 cp->private = disk;
1115 g_topology_unlock();
1116
1117 /* Read kernel dumping information. */
1118 disk->d_kd.offset = 0;
1119 disk->d_kd.length = OFF_MAX;
1120 len = sizeof(disk->d_kd);
1121 g_io_getattr("GEOM::kerneldump", cp, &len, &disk->d_kd);
1122 if (disk->d_kd.di.dumper == NULL)
1123 G_RAID_DEBUG1(2, sc,
1124 "Dumping not supported by %s.",
1125 cp->provider->name);
1126
1127 pd->pd_disk_size = pp->mediasize;
1128 if (size > pp->mediasize)
1129 size = pp->mediasize;
1130 if (sectorsize < pp->sectorsize)
1131 sectorsize = pp->sectorsize;
1132 }
1133 if (error != 0)
1134 return (error);
1135
| 835 if (g_access(cp, 1, 0, 0) != 0)
836 return (G_RAID_MD_TASTE_FAIL);
837 g_topology_unlock();
838 len = 2;
839 if (pp->geom->rank == 1)
840 g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor);
841 meta = jmicron_meta_read(cp);
842 g_topology_lock();
843 g_access(cp, -1, 0, 0);
844 if (meta == NULL) {
845 if (g_raid_aggressive_spare) {
846 if (vendor == 0x197b) {
847 G_RAID_DEBUG(1,
848 "No JMicron metadata, forcing spare.");
849 spare = 2;
850 goto search;
851 } else {
852 G_RAID_DEBUG(1,
853 "JMicron vendor mismatch 0x%04x != 0x197b",
854 vendor);
855 }
856 }
857 return (G_RAID_MD_TASTE_FAIL);
858 }
859
860 /* Check this disk position in obtained metadata. */
861 disk_pos = jmicron_meta_find_disk(meta, meta->disk_id);
862 if (disk_pos == -1) {
863 G_RAID_DEBUG(1, "JMicron disk_id %08x not found",
864 meta->disk_id);
865 goto fail1;
866 }
867
868 /* Metadata valid. Print it. */
869 g_raid_md_jmicron_print(meta);
870 G_RAID_DEBUG(1, "JMicron disk position %d", disk_pos);
871 spare = (disk_pos == -2) ? 1 : 0;
872
873search:
874 /* Search for matching node. */
875 sc = NULL;
876 mdi1 = NULL;
877 LIST_FOREACH(geom, &mp->geom, geom) {
878 sc = geom->softc;
879 if (sc == NULL)
880 continue;
881 if (sc->sc_stopping != 0)
882 continue;
883 if (sc->sc_md->mdo_class != md->mdo_class)
884 continue;
885 mdi1 = (struct g_raid_md_jmicron_object *)sc->sc_md;
886 if (spare == 2) {
887 if (mdi1->mdio_incomplete)
888 break;
889 } else {
890 if (mdi1->mdio_config_id ==
891 jmicron_meta_config_id(meta))
892 break;
893 }
894 }
895
896 /* Found matching node. */
897 if (geom != NULL) {
898 G_RAID_DEBUG(1, "Found matching array %s", sc->sc_name);
899 result = G_RAID_MD_TASTE_EXISTING;
900
901 } else if (spare) { /* Not found needy node -- left for later. */
902 G_RAID_DEBUG(1, "Spare is not needed at this time");
903 goto fail1;
904
905 } else { /* Not found matching node -- create one. */
906 result = G_RAID_MD_TASTE_NEW;
907 mdi->mdio_config_id = jmicron_meta_config_id(meta);
908 snprintf(name, sizeof(name), "JMicron-%08x",
909 mdi->mdio_config_id);
910 sc = g_raid_create_node(mp, name, md);
911 md->mdo_softc = sc;
912 geom = sc->sc_geom;
913 callout_init(&mdi->mdio_start_co, 1);
914 callout_reset(&mdi->mdio_start_co, g_raid_start_timeout * hz,
915 g_raid_jmicron_go, sc);
916 mdi->mdio_rootmount = root_mount_hold("GRAID-JMicron");
917 G_RAID_DEBUG1(1, sc, "root_mount_hold %p", mdi->mdio_rootmount);
918 }
919
920 rcp = g_new_consumer(geom);
921 g_attach(rcp, pp);
922 if (g_access(rcp, 1, 1, 1) != 0)
923 ; //goto fail1;
924
925 g_topology_unlock();
926 sx_xlock(&sc->sc_lock);
927
928 pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO);
929 pd->pd_meta = meta;
930 if (spare == 2) {
931 pd->pd_disk_pos = -3;
932 pd->pd_disk_id = arc4random() & JMICRON_DISK_MASK;
933 } else {
934 pd->pd_disk_pos = -1;
935 pd->pd_disk_id = meta->disk_id;
936 }
937 pd->pd_disk_size = pp->mediasize;
938 disk = g_raid_create_disk(sc);
939 disk->d_md_data = (void *)pd;
940 disk->d_consumer = rcp;
941 rcp->private = disk;
942
943 /* Read kernel dumping information. */
944 disk->d_kd.offset = 0;
945 disk->d_kd.length = OFF_MAX;
946 len = sizeof(disk->d_kd);
947 error = g_io_getattr("GEOM::kerneldump", rcp, &len, &disk->d_kd);
948 if (disk->d_kd.di.dumper == NULL)
949 G_RAID_DEBUG1(2, sc, "Dumping not supported by %s: %d.",
950 rcp->provider->name, error);
951
952 g_raid_md_jmicron_new_disk(disk);
953
954 sx_xunlock(&sc->sc_lock);
955 g_topology_lock();
956 *gp = geom;
957 return (result);
958fail1:
959 free(meta, M_MD_JMICRON);
960 return (G_RAID_MD_TASTE_FAIL);
961}
962
963static int
964g_raid_md_event_jmicron(struct g_raid_md_object *md,
965 struct g_raid_disk *disk, u_int event)
966{
967 struct g_raid_softc *sc;
968 struct g_raid_subdisk *sd;
969 struct g_raid_md_jmicron_object *mdi;
970 struct g_raid_md_jmicron_perdisk *pd;
971
972 sc = md->mdo_softc;
973 mdi = (struct g_raid_md_jmicron_object *)md;
974 if (disk == NULL) {
975 switch (event) {
976 case G_RAID_NODE_E_START:
977 if (!mdi->mdio_started)
978 g_raid_md_jmicron_start(sc);
979 return (0);
980 }
981 return (-1);
982 }
983 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
984 switch (event) {
985 case G_RAID_DISK_E_DISCONNECTED:
986 /* If disk was assigned, just update statuses. */
987 if (pd->pd_disk_pos >= 0) {
988 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
989 if (disk->d_consumer) {
990 g_raid_kill_consumer(sc, disk->d_consumer);
991 disk->d_consumer = NULL;
992 }
993 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
994 g_raid_change_subdisk_state(sd,
995 G_RAID_SUBDISK_S_NONE);
996 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
997 G_RAID_EVENT_SUBDISK);
998 }
999 } else {
1000 /* Otherwise -- delete. */
1001 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
1002 g_raid_destroy_disk(disk);
1003 }
1004
1005 /* Write updated metadata to all disks. */
1006 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
1007
1008 /* Check if anything left except placeholders. */
1009 if (g_raid_ndisks(sc, -1) ==
1010 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1011 g_raid_destroy_node(sc, 0);
1012 else
1013 g_raid_md_jmicron_refill(sc);
1014 return (0);
1015 }
1016 return (-2);
1017}
1018
1019static int
1020g_raid_md_ctl_jmicron(struct g_raid_md_object *md,
1021 struct gctl_req *req)
1022{
1023 struct g_raid_softc *sc;
1024 struct g_raid_volume *vol;
1025 struct g_raid_subdisk *sd;
1026 struct g_raid_disk *disk;
1027 struct g_raid_md_jmicron_object *mdi;
1028 struct g_raid_md_jmicron_perdisk *pd;
1029 struct g_consumer *cp;
1030 struct g_provider *pp;
1031 char arg[16];
1032 const char *verb, *volname, *levelname, *diskname;
1033 int *nargs, *force;
1034 off_t size, sectorsize, strip;
1035 intmax_t *sizearg, *striparg;
1036 int numdisks, i, len, level, qual, update;
1037 int error;
1038
1039 sc = md->mdo_softc;
1040 mdi = (struct g_raid_md_jmicron_object *)md;
1041 verb = gctl_get_param(req, "verb", NULL);
1042 nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
1043 error = 0;
1044 if (strcmp(verb, "label") == 0) {
1045
1046 if (*nargs < 4) {
1047 gctl_error(req, "Invalid number of arguments.");
1048 return (-1);
1049 }
1050 volname = gctl_get_asciiparam(req, "arg1");
1051 if (volname == NULL) {
1052 gctl_error(req, "No volume name.");
1053 return (-2);
1054 }
1055 levelname = gctl_get_asciiparam(req, "arg2");
1056 if (levelname == NULL) {
1057 gctl_error(req, "No RAID level.");
1058 return (-3);
1059 }
1060 if (g_raid_volume_str2level(levelname, &level, &qual)) {
1061 gctl_error(req, "Unknown RAID level '%s'.", levelname);
1062 return (-4);
1063 }
1064 numdisks = *nargs - 3;
1065 force = gctl_get_paraml(req, "force", sizeof(*force));
1066 if (!g_raid_md_jmicron_supported(level, qual, numdisks,
1067 force ? *force : 0)) {
1068 gctl_error(req, "Unsupported RAID level "
1069 "(0x%02x/0x%02x), or number of disks (%d).",
1070 level, qual, numdisks);
1071 return (-5);
1072 }
1073
1074 /* Search for disks, connect them and probe. */
1075 size = 0x7fffffffffffffffllu;
1076 sectorsize = 0;
1077 for (i = 0; i < numdisks; i++) {
1078 snprintf(arg, sizeof(arg), "arg%d", i + 3);
1079 diskname = gctl_get_asciiparam(req, arg);
1080 if (diskname == NULL) {
1081 gctl_error(req, "No disk name (%s).", arg);
1082 error = -6;
1083 break;
1084 }
1085 if (strcmp(diskname, "NONE") == 0) {
1086 cp = NULL;
1087 pp = NULL;
1088 } else {
1089 g_topology_lock();
1090 cp = g_raid_open_consumer(sc, diskname);
1091 if (cp == NULL) {
1092 gctl_error(req, "Can't open '%s'.",
1093 diskname);
1094 g_topology_unlock();
1095 error = -7;
1096 break;
1097 }
1098 pp = cp->provider;
1099 }
1100 pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO);
1101 pd->pd_disk_pos = i;
1102 pd->pd_disk_id = arc4random() & JMICRON_DISK_MASK;
1103 disk = g_raid_create_disk(sc);
1104 disk->d_md_data = (void *)pd;
1105 disk->d_consumer = cp;
1106 if (cp == NULL)
1107 continue;
1108 cp->private = disk;
1109 g_topology_unlock();
1110
1111 /* Read kernel dumping information. */
1112 disk->d_kd.offset = 0;
1113 disk->d_kd.length = OFF_MAX;
1114 len = sizeof(disk->d_kd);
1115 g_io_getattr("GEOM::kerneldump", cp, &len, &disk->d_kd);
1116 if (disk->d_kd.di.dumper == NULL)
1117 G_RAID_DEBUG1(2, sc,
1118 "Dumping not supported by %s.",
1119 cp->provider->name);
1120
1121 pd->pd_disk_size = pp->mediasize;
1122 if (size > pp->mediasize)
1123 size = pp->mediasize;
1124 if (sectorsize < pp->sectorsize)
1125 sectorsize = pp->sectorsize;
1126 }
1127 if (error != 0)
1128 return (error);
1129
|
| 1130 if (sectorsize <= 0) {
1131 gctl_error(req, "Can't get sector size.");
1132 return (-8);
1133 }
1134
|
1136 /* Reserve space for metadata. */
1137 size -= sectorsize;
1138
1139 /* Handle size argument. */
1140 len = sizeof(*sizearg);
1141 sizearg = gctl_get_param(req, "size", &len);
1142 if (sizearg != NULL && len == sizeof(*sizearg) &&
1143 *sizearg > 0) {
1144 if (*sizearg > size) {
1145 gctl_error(req, "Size too big %lld > %lld.",
1146 (long long)*sizearg, (long long)size);
1147 return (-9);
1148 }
1149 size = *sizearg;
1150 }
1151
1152 /* Handle strip argument. */
1153 strip = 131072;
1154 len = sizeof(*striparg);
1155 striparg = gctl_get_param(req, "strip", &len);
1156 if (striparg != NULL && len == sizeof(*striparg) &&
1157 *striparg > 0) {
1158 if (*striparg < sectorsize) {
1159 gctl_error(req, "Strip size too small.");
1160 return (-10);
1161 }
1162 if (*striparg % sectorsize != 0) {
1163 gctl_error(req, "Incorrect strip size.");
1164 return (-11);
1165 }
1166 if (strip > 65535 * sectorsize) {
1167 gctl_error(req, "Strip size too big.");
1168 return (-12);
1169 }
1170 strip = *striparg;
1171 }
1172
1173 /* Round size down to strip or sector. */
1174 if (level == G_RAID_VOLUME_RL_RAID1)
1175 size -= (size % sectorsize);
1176 else if (level == G_RAID_VOLUME_RL_RAID1E &&
1177 (numdisks & 1) != 0)
1178 size -= (size % (2 * strip));
1179 else
1180 size -= (size % strip);
1181 if (size <= 0) {
1182 gctl_error(req, "Size too small.");
1183 return (-13);
1184 }
1185 if (size > 0xffffffffffffllu * sectorsize) {
1186 gctl_error(req, "Size too big.");
1187 return (-14);
1188 }
1189
1190 /* We have all we need, create things: volume, ... */
1191 mdi->mdio_total_disks = numdisks;
1192 mdi->mdio_started = 1;
1193 vol = g_raid_create_volume(sc, volname, -1);
1194 vol->v_md_data = (void *)(intptr_t)0;
1195 vol->v_raid_level = level;
1196 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE;
1197 vol->v_strip_size = strip;
1198 vol->v_disks_count = numdisks;
1199 if (level == G_RAID_VOLUME_RL_RAID0 ||
1200 level == G_RAID_VOLUME_RL_CONCAT ||
1201 level == G_RAID_VOLUME_RL_SINGLE)
1202 vol->v_mediasize = size * numdisks;
1203 else if (level == G_RAID_VOLUME_RL_RAID1)
1204 vol->v_mediasize = size;
1205 else if (level == G_RAID_VOLUME_RL_RAID5)
1206 vol->v_mediasize = size * (numdisks - 1);
1207 else { /* RAID1E */
1208 vol->v_mediasize = ((size * numdisks) / strip / 2) *
1209 strip;
1210 }
1211 vol->v_sectorsize = sectorsize;
1212 g_raid_start_volume(vol);
1213
1214 /* , and subdisks. */
1215 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1216 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1217 sd = &vol->v_subdisks[pd->pd_disk_pos];
1218 sd->sd_disk = disk;
1219 sd->sd_offset = 0;
1220 sd->sd_size = size;
1221 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1222 if (sd->sd_disk->d_consumer != NULL) {
1223 g_raid_change_disk_state(disk,
1224 G_RAID_DISK_S_ACTIVE);
1225 g_raid_change_subdisk_state(sd,
1226 G_RAID_SUBDISK_S_ACTIVE);
1227 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
1228 G_RAID_EVENT_SUBDISK);
1229 } else {
1230 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1231 }
1232 }
1233
1234 /* Write metadata based on created entities. */
1235 G_RAID_DEBUG1(0, sc, "Array started.");
1236 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
1237
1238 /* Pickup any STALE/SPARE disks to refill array if needed. */
1239 g_raid_md_jmicron_refill(sc);
1240
1241 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1242 G_RAID_EVENT_VOLUME);
1243 return (0);
1244 }
1245 if (strcmp(verb, "delete") == 0) {
1246
1247 /* Check if some volume is still open. */
1248 force = gctl_get_paraml(req, "force", sizeof(*force));
1249 if (force != NULL && *force == 0 &&
1250 g_raid_nopens(sc) != 0) {
1251 gctl_error(req, "Some volume is still open.");
1252 return (-4);
1253 }
1254
1255 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1256 if (disk->d_consumer)
1257 jmicron_meta_erase(disk->d_consumer);
1258 }
1259 g_raid_destroy_node(sc, 0);
1260 return (0);
1261 }
1262 if (strcmp(verb, "remove") == 0 ||
1263 strcmp(verb, "fail") == 0) {
1264 if (*nargs < 2) {
1265 gctl_error(req, "Invalid number of arguments.");
1266 return (-1);
1267 }
1268 for (i = 1; i < *nargs; i++) {
1269 snprintf(arg, sizeof(arg), "arg%d", i);
1270 diskname = gctl_get_asciiparam(req, arg);
1271 if (diskname == NULL) {
1272 gctl_error(req, "No disk name (%s).", arg);
1273 error = -2;
1274 break;
1275 }
1276 if (strncmp(diskname, "/dev/", 5) == 0)
1277 diskname += 5;
1278
1279 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1280 if (disk->d_consumer != NULL &&
1281 disk->d_consumer->provider != NULL &&
1282 strcmp(disk->d_consumer->provider->name,
1283 diskname) == 0)
1284 break;
1285 }
1286 if (disk == NULL) {
1287 gctl_error(req, "Disk '%s' not found.",
1288 diskname);
1289 error = -3;
1290 break;
1291 }
1292
1293 if (strcmp(verb, "fail") == 0) {
1294 g_raid_md_fail_disk_jmicron(md, NULL, disk);
1295 continue;
1296 }
1297
1298 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1299
1300 /* Erase metadata on deleting disk. */
1301 jmicron_meta_erase(disk->d_consumer);
1302
1303 /* If disk was assigned, just update statuses. */
1304 if (pd->pd_disk_pos >= 0) {
1305 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1306 g_raid_kill_consumer(sc, disk->d_consumer);
1307 disk->d_consumer = NULL;
1308 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
1309 g_raid_change_subdisk_state(sd,
1310 G_RAID_SUBDISK_S_NONE);
1311 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
1312 G_RAID_EVENT_SUBDISK);
1313 }
1314 } else {
1315 /* Otherwise -- delete. */
1316 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
1317 g_raid_destroy_disk(disk);
1318 }
1319 }
1320
1321 /* Write updated metadata to remaining disks. */
1322 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
1323
1324 /* Check if anything left except placeholders. */
1325 if (g_raid_ndisks(sc, -1) ==
1326 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1327 g_raid_destroy_node(sc, 0);
1328 else
1329 g_raid_md_jmicron_refill(sc);
1330 return (error);
1331 }
1332 if (strcmp(verb, "insert") == 0) {
1333 if (*nargs < 2) {
1334 gctl_error(req, "Invalid number of arguments.");
1335 return (-1);
1336 }
1337 update = 0;
1338 for (i = 1; i < *nargs; i++) {
1339 /* Get disk name. */
1340 snprintf(arg, sizeof(arg), "arg%d", i);
1341 diskname = gctl_get_asciiparam(req, arg);
1342 if (diskname == NULL) {
1343 gctl_error(req, "No disk name (%s).", arg);
1344 error = -3;
1345 break;
1346 }
1347
1348 /* Try to find provider with specified name. */
1349 g_topology_lock();
1350 cp = g_raid_open_consumer(sc, diskname);
1351 if (cp == NULL) {
1352 gctl_error(req, "Can't open disk '%s'.",
1353 diskname);
1354 g_topology_unlock();
1355 error = -4;
1356 break;
1357 }
1358 pp = cp->provider;
1359
1360 pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO);
1361 pd->pd_disk_pos = -3;
1362 pd->pd_disk_id = arc4random() & JMICRON_DISK_MASK;
1363 pd->pd_disk_size = pp->mediasize;
1364
1365 disk = g_raid_create_disk(sc);
1366 disk->d_consumer = cp;
| 1135 /* Reserve space for metadata. */
1136 size -= sectorsize;
1137
1138 /* Handle size argument. */
1139 len = sizeof(*sizearg);
1140 sizearg = gctl_get_param(req, "size", &len);
1141 if (sizearg != NULL && len == sizeof(*sizearg) &&
1142 *sizearg > 0) {
1143 if (*sizearg > size) {
1144 gctl_error(req, "Size too big %lld > %lld.",
1145 (long long)*sizearg, (long long)size);
1146 return (-9);
1147 }
1148 size = *sizearg;
1149 }
1150
1151 /* Handle strip argument. */
1152 strip = 131072;
1153 len = sizeof(*striparg);
1154 striparg = gctl_get_param(req, "strip", &len);
1155 if (striparg != NULL && len == sizeof(*striparg) &&
1156 *striparg > 0) {
1157 if (*striparg < sectorsize) {
1158 gctl_error(req, "Strip size too small.");
1159 return (-10);
1160 }
1161 if (*striparg % sectorsize != 0) {
1162 gctl_error(req, "Incorrect strip size.");
1163 return (-11);
1164 }
1165 if (strip > 65535 * sectorsize) {
1166 gctl_error(req, "Strip size too big.");
1167 return (-12);
1168 }
1169 strip = *striparg;
1170 }
1171
1172 /* Round size down to strip or sector. */
1173 if (level == G_RAID_VOLUME_RL_RAID1)
1174 size -= (size % sectorsize);
1175 else if (level == G_RAID_VOLUME_RL_RAID1E &&
1176 (numdisks & 1) != 0)
1177 size -= (size % (2 * strip));
1178 else
1179 size -= (size % strip);
1180 if (size <= 0) {
1181 gctl_error(req, "Size too small.");
1182 return (-13);
1183 }
1184 if (size > 0xffffffffffffllu * sectorsize) {
1185 gctl_error(req, "Size too big.");
1186 return (-14);
1187 }
1188
1189 /* We have all we need, create things: volume, ... */
1190 mdi->mdio_total_disks = numdisks;
1191 mdi->mdio_started = 1;
1192 vol = g_raid_create_volume(sc, volname, -1);
1193 vol->v_md_data = (void *)(intptr_t)0;
1194 vol->v_raid_level = level;
1195 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE;
1196 vol->v_strip_size = strip;
1197 vol->v_disks_count = numdisks;
1198 if (level == G_RAID_VOLUME_RL_RAID0 ||
1199 level == G_RAID_VOLUME_RL_CONCAT ||
1200 level == G_RAID_VOLUME_RL_SINGLE)
1201 vol->v_mediasize = size * numdisks;
1202 else if (level == G_RAID_VOLUME_RL_RAID1)
1203 vol->v_mediasize = size;
1204 else if (level == G_RAID_VOLUME_RL_RAID5)
1205 vol->v_mediasize = size * (numdisks - 1);
1206 else { /* RAID1E */
1207 vol->v_mediasize = ((size * numdisks) / strip / 2) *
1208 strip;
1209 }
1210 vol->v_sectorsize = sectorsize;
1211 g_raid_start_volume(vol);
1212
1213 /* , and subdisks. */
1214 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1215 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1216 sd = &vol->v_subdisks[pd->pd_disk_pos];
1217 sd->sd_disk = disk;
1218 sd->sd_offset = 0;
1219 sd->sd_size = size;
1220 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1221 if (sd->sd_disk->d_consumer != NULL) {
1222 g_raid_change_disk_state(disk,
1223 G_RAID_DISK_S_ACTIVE);
1224 g_raid_change_subdisk_state(sd,
1225 G_RAID_SUBDISK_S_ACTIVE);
1226 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
1227 G_RAID_EVENT_SUBDISK);
1228 } else {
1229 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1230 }
1231 }
1232
1233 /* Write metadata based on created entities. */
1234 G_RAID_DEBUG1(0, sc, "Array started.");
1235 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
1236
1237 /* Pickup any STALE/SPARE disks to refill array if needed. */
1238 g_raid_md_jmicron_refill(sc);
1239
1240 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1241 G_RAID_EVENT_VOLUME);
1242 return (0);
1243 }
1244 if (strcmp(verb, "delete") == 0) {
1245
1246 /* Check if some volume is still open. */
1247 force = gctl_get_paraml(req, "force", sizeof(*force));
1248 if (force != NULL && *force == 0 &&
1249 g_raid_nopens(sc) != 0) {
1250 gctl_error(req, "Some volume is still open.");
1251 return (-4);
1252 }
1253
1254 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1255 if (disk->d_consumer)
1256 jmicron_meta_erase(disk->d_consumer);
1257 }
1258 g_raid_destroy_node(sc, 0);
1259 return (0);
1260 }
1261 if (strcmp(verb, "remove") == 0 ||
1262 strcmp(verb, "fail") == 0) {
1263 if (*nargs < 2) {
1264 gctl_error(req, "Invalid number of arguments.");
1265 return (-1);
1266 }
1267 for (i = 1; i < *nargs; i++) {
1268 snprintf(arg, sizeof(arg), "arg%d", i);
1269 diskname = gctl_get_asciiparam(req, arg);
1270 if (diskname == NULL) {
1271 gctl_error(req, "No disk name (%s).", arg);
1272 error = -2;
1273 break;
1274 }
1275 if (strncmp(diskname, "/dev/", 5) == 0)
1276 diskname += 5;
1277
1278 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1279 if (disk->d_consumer != NULL &&
1280 disk->d_consumer->provider != NULL &&
1281 strcmp(disk->d_consumer->provider->name,
1282 diskname) == 0)
1283 break;
1284 }
1285 if (disk == NULL) {
1286 gctl_error(req, "Disk '%s' not found.",
1287 diskname);
1288 error = -3;
1289 break;
1290 }
1291
1292 if (strcmp(verb, "fail") == 0) {
1293 g_raid_md_fail_disk_jmicron(md, NULL, disk);
1294 continue;
1295 }
1296
1297 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1298
1299 /* Erase metadata on deleting disk. */
1300 jmicron_meta_erase(disk->d_consumer);
1301
1302 /* If disk was assigned, just update statuses. */
1303 if (pd->pd_disk_pos >= 0) {
1304 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1305 g_raid_kill_consumer(sc, disk->d_consumer);
1306 disk->d_consumer = NULL;
1307 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
1308 g_raid_change_subdisk_state(sd,
1309 G_RAID_SUBDISK_S_NONE);
1310 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
1311 G_RAID_EVENT_SUBDISK);
1312 }
1313 } else {
1314 /* Otherwise -- delete. */
1315 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
1316 g_raid_destroy_disk(disk);
1317 }
1318 }
1319
1320 /* Write updated metadata to remaining disks. */
1321 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
1322
1323 /* Check if anything left except placeholders. */
1324 if (g_raid_ndisks(sc, -1) ==
1325 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1326 g_raid_destroy_node(sc, 0);
1327 else
1328 g_raid_md_jmicron_refill(sc);
1329 return (error);
1330 }
1331 if (strcmp(verb, "insert") == 0) {
1332 if (*nargs < 2) {
1333 gctl_error(req, "Invalid number of arguments.");
1334 return (-1);
1335 }
1336 update = 0;
1337 for (i = 1; i < *nargs; i++) {
1338 /* Get disk name. */
1339 snprintf(arg, sizeof(arg), "arg%d", i);
1340 diskname = gctl_get_asciiparam(req, arg);
1341 if (diskname == NULL) {
1342 gctl_error(req, "No disk name (%s).", arg);
1343 error = -3;
1344 break;
1345 }
1346
1347 /* Try to find provider with specified name. */
1348 g_topology_lock();
1349 cp = g_raid_open_consumer(sc, diskname);
1350 if (cp == NULL) {
1351 gctl_error(req, "Can't open disk '%s'.",
1352 diskname);
1353 g_topology_unlock();
1354 error = -4;
1355 break;
1356 }
1357 pp = cp->provider;
1358
1359 pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO);
1360 pd->pd_disk_pos = -3;
1361 pd->pd_disk_id = arc4random() & JMICRON_DISK_MASK;
1362 pd->pd_disk_size = pp->mediasize;
1363
1364 disk = g_raid_create_disk(sc);
1365 disk->d_consumer = cp;
|
1367 disk->d_consumer->private = disk;
| |
1368 disk->d_md_data = (void *)pd;
1369 cp->private = disk;
1370 g_topology_unlock();
1371
1372 /* Read kernel dumping information. */
1373 disk->d_kd.offset = 0;
1374 disk->d_kd.length = OFF_MAX;
1375 len = sizeof(disk->d_kd);
1376 g_io_getattr("GEOM::kerneldump", cp, &len, &disk->d_kd);
1377 if (disk->d_kd.di.dumper == NULL)
1378 G_RAID_DEBUG1(2, sc,
1379 "Dumping not supported by %s.",
1380 cp->provider->name);
1381
1382 /* Welcome the "new" disk. */
1383 update += g_raid_md_jmicron_start_disk(disk);
1384 if (disk->d_state != G_RAID_DISK_S_ACTIVE &&
1385 disk->d_state != G_RAID_DISK_S_SPARE) {
1386 gctl_error(req, "Disk '%s' doesn't fit.",
1387 diskname);
1388 g_raid_destroy_disk(disk);
1389 error = -8;
1390 break;
1391 }
1392 }
1393
1394 /* Write new metadata if we changed something. */
1395 if (update)
1396 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
1397 return (error);
1398 }
1399 gctl_error(req, "Command '%s' is not supported.", verb);
1400 return (-100);
1401}
1402
1403static int
1404g_raid_md_write_jmicron(struct g_raid_md_object *md, struct g_raid_volume *tvol,
1405 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
1406{
1407 struct g_raid_softc *sc;
1408 struct g_raid_volume *vol;
1409 struct g_raid_subdisk *sd;
1410 struct g_raid_disk *disk;
1411 struct g_raid_md_jmicron_object *mdi;
1412 struct g_raid_md_jmicron_perdisk *pd;
1413 struct jmicron_raid_conf *meta;
1414 int i, spares;
1415
1416 sc = md->mdo_softc;
1417 mdi = (struct g_raid_md_jmicron_object *)md;
1418
1419 if (sc->sc_stopping == G_RAID_DESTROY_HARD)
1420 return (0);
1421
1422 /* There is only one volume. */
1423 vol = TAILQ_FIRST(&sc->sc_volumes);
1424
1425 /* Fill global fields. */
1426 meta = malloc(sizeof(*meta), M_MD_JMICRON, M_WAITOK | M_ZERO);
1427 strncpy(meta->signature, JMICRON_MAGIC, 2);
1428 meta->version = JMICRON_VERSION;
1429 jmicron_meta_put_name(meta, vol->v_name);
1430 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
1431 meta->type = JMICRON_T_RAID0;
1432 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
1433 meta->type = JMICRON_T_RAID1;
1434 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
1435 meta->type = JMICRON_T_RAID01;
1436 else if (vol->v_raid_level == G_RAID_VOLUME_RL_CONCAT ||
1437 vol->v_raid_level == G_RAID_VOLUME_RL_SINGLE)
1438 meta->type = JMICRON_T_CONCAT;
1439 else
1440 meta->type = JMICRON_T_RAID5;
1441 meta->stripe_shift = fls(vol->v_strip_size / 2048);
1442 meta->flags = JMICRON_F_READY | JMICRON_F_BOOTABLE;
1443 for (i = 0; i < vol->v_disks_count; i++) {
1444 sd = &vol->v_subdisks[i];
1445 if (sd->sd_disk == NULL || sd->sd_disk->d_md_data == NULL)
1446 meta->disks[i] = 0xffffffff;
1447 else {
1448 pd = (struct g_raid_md_jmicron_perdisk *)
1449 sd->sd_disk->d_md_data;
1450 meta->disks[i] = pd->pd_disk_id;
1451 }
1452 if (sd->sd_state < G_RAID_SUBDISK_S_STALE)
1453 meta->flags |= JMICRON_F_BADSEC;
1454 if (vol->v_dirty)
1455 meta->flags |= JMICRON_F_UNSYNC;
1456 }
1457
1458 /* Put spares to their slots. */
1459 spares = 0;
1460 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1461 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1462 if (disk->d_state != G_RAID_DISK_S_SPARE)
1463 continue;
1464 meta->spare[spares] = pd->pd_disk_id;
1465 if (++spares >= 2)
1466 break;
1467 }
1468
1469 /* We are done. Print meta data and store them to disks. */
1470 if (mdi->mdio_meta != NULL)
1471 free(mdi->mdio_meta, M_MD_JMICRON);
1472 mdi->mdio_meta = meta;
| 1366 disk->d_md_data = (void *)pd;
1367 cp->private = disk;
1368 g_topology_unlock();
1369
1370 /* Read kernel dumping information. */
1371 disk->d_kd.offset = 0;
1372 disk->d_kd.length = OFF_MAX;
1373 len = sizeof(disk->d_kd);
1374 g_io_getattr("GEOM::kerneldump", cp, &len, &disk->d_kd);
1375 if (disk->d_kd.di.dumper == NULL)
1376 G_RAID_DEBUG1(2, sc,
1377 "Dumping not supported by %s.",
1378 cp->provider->name);
1379
1380 /* Welcome the "new" disk. */
1381 update += g_raid_md_jmicron_start_disk(disk);
1382 if (disk->d_state != G_RAID_DISK_S_ACTIVE &&
1383 disk->d_state != G_RAID_DISK_S_SPARE) {
1384 gctl_error(req, "Disk '%s' doesn't fit.",
1385 diskname);
1386 g_raid_destroy_disk(disk);
1387 error = -8;
1388 break;
1389 }
1390 }
1391
1392 /* Write new metadata if we changed something. */
1393 if (update)
1394 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
1395 return (error);
1396 }
1397 gctl_error(req, "Command '%s' is not supported.", verb);
1398 return (-100);
1399}
1400
1401static int
1402g_raid_md_write_jmicron(struct g_raid_md_object *md, struct g_raid_volume *tvol,
1403 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
1404{
1405 struct g_raid_softc *sc;
1406 struct g_raid_volume *vol;
1407 struct g_raid_subdisk *sd;
1408 struct g_raid_disk *disk;
1409 struct g_raid_md_jmicron_object *mdi;
1410 struct g_raid_md_jmicron_perdisk *pd;
1411 struct jmicron_raid_conf *meta;
1412 int i, spares;
1413
1414 sc = md->mdo_softc;
1415 mdi = (struct g_raid_md_jmicron_object *)md;
1416
1417 if (sc->sc_stopping == G_RAID_DESTROY_HARD)
1418 return (0);
1419
1420 /* There is only one volume. */
1421 vol = TAILQ_FIRST(&sc->sc_volumes);
1422
1423 /* Fill global fields. */
1424 meta = malloc(sizeof(*meta), M_MD_JMICRON, M_WAITOK | M_ZERO);
1425 strncpy(meta->signature, JMICRON_MAGIC, 2);
1426 meta->version = JMICRON_VERSION;
1427 jmicron_meta_put_name(meta, vol->v_name);
1428 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
1429 meta->type = JMICRON_T_RAID0;
1430 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
1431 meta->type = JMICRON_T_RAID1;
1432 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
1433 meta->type = JMICRON_T_RAID01;
1434 else if (vol->v_raid_level == G_RAID_VOLUME_RL_CONCAT ||
1435 vol->v_raid_level == G_RAID_VOLUME_RL_SINGLE)
1436 meta->type = JMICRON_T_CONCAT;
1437 else
1438 meta->type = JMICRON_T_RAID5;
1439 meta->stripe_shift = fls(vol->v_strip_size / 2048);
1440 meta->flags = JMICRON_F_READY | JMICRON_F_BOOTABLE;
1441 for (i = 0; i < vol->v_disks_count; i++) {
1442 sd = &vol->v_subdisks[i];
1443 if (sd->sd_disk == NULL || sd->sd_disk->d_md_data == NULL)
1444 meta->disks[i] = 0xffffffff;
1445 else {
1446 pd = (struct g_raid_md_jmicron_perdisk *)
1447 sd->sd_disk->d_md_data;
1448 meta->disks[i] = pd->pd_disk_id;
1449 }
1450 if (sd->sd_state < G_RAID_SUBDISK_S_STALE)
1451 meta->flags |= JMICRON_F_BADSEC;
1452 if (vol->v_dirty)
1453 meta->flags |= JMICRON_F_UNSYNC;
1454 }
1455
1456 /* Put spares to their slots. */
1457 spares = 0;
1458 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1459 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1460 if (disk->d_state != G_RAID_DISK_S_SPARE)
1461 continue;
1462 meta->spare[spares] = pd->pd_disk_id;
1463 if (++spares >= 2)
1464 break;
1465 }
1466
1467 /* We are done. Print meta data and store them to disks. */
1468 if (mdi->mdio_meta != NULL)
1469 free(mdi->mdio_meta, M_MD_JMICRON);
1470 mdi->mdio_meta = meta;
|
1473 i = 0;
| |
1474 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1475 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1476 if (disk->d_state != G_RAID_DISK_S_ACTIVE &&
1477 disk->d_state != G_RAID_DISK_S_SPARE)
1478 continue;
1479 if (pd->pd_meta != NULL) {
1480 free(pd->pd_meta, M_MD_JMICRON);
1481 pd->pd_meta = NULL;
1482 }
1483 pd->pd_meta = jmicron_meta_copy(meta);
1484 pd->pd_meta->disk_id = pd->pd_disk_id;
1485 if ((sd = TAILQ_FIRST(&disk->d_subdisks)) != NULL) {
1486 pd->pd_meta->offset =
1487 (sd->sd_offset / 512) / 16;
1488 pd->pd_meta->disk_sectors_high =
1489 (sd->sd_size / 512) >> 16;
1490 pd->pd_meta->disk_sectors_low =
1491 (sd->sd_size / 512) & 0xffff;
1492 if (sd->sd_state < G_RAID_SUBDISK_S_STALE)
1493 pd->pd_meta->flags &= ~JMICRON_F_BADSEC;
1494 else if (sd->sd_state < G_RAID_SUBDISK_S_ACTIVE)
1495 pd->pd_meta->flags |= JMICRON_F_UNSYNC;
1496 }
1497 G_RAID_DEBUG(1, "Writing JMicron metadata to %s",
1498 g_raid_get_diskname(disk));
1499 g_raid_md_jmicron_print(pd->pd_meta);
1500 jmicron_meta_write(disk->d_consumer, pd->pd_meta);
1501 }
1502 return (0);
1503}
1504
1505static int
1506g_raid_md_fail_disk_jmicron(struct g_raid_md_object *md,
1507 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
1508{
1509 struct g_raid_softc *sc;
| 1471 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1472 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1473 if (disk->d_state != G_RAID_DISK_S_ACTIVE &&
1474 disk->d_state != G_RAID_DISK_S_SPARE)
1475 continue;
1476 if (pd->pd_meta != NULL) {
1477 free(pd->pd_meta, M_MD_JMICRON);
1478 pd->pd_meta = NULL;
1479 }
1480 pd->pd_meta = jmicron_meta_copy(meta);
1481 pd->pd_meta->disk_id = pd->pd_disk_id;
1482 if ((sd = TAILQ_FIRST(&disk->d_subdisks)) != NULL) {
1483 pd->pd_meta->offset =
1484 (sd->sd_offset / 512) / 16;
1485 pd->pd_meta->disk_sectors_high =
1486 (sd->sd_size / 512) >> 16;
1487 pd->pd_meta->disk_sectors_low =
1488 (sd->sd_size / 512) & 0xffff;
1489 if (sd->sd_state < G_RAID_SUBDISK_S_STALE)
1490 pd->pd_meta->flags &= ~JMICRON_F_BADSEC;
1491 else if (sd->sd_state < G_RAID_SUBDISK_S_ACTIVE)
1492 pd->pd_meta->flags |= JMICRON_F_UNSYNC;
1493 }
1494 G_RAID_DEBUG(1, "Writing JMicron metadata to %s",
1495 g_raid_get_diskname(disk));
1496 g_raid_md_jmicron_print(pd->pd_meta);
1497 jmicron_meta_write(disk->d_consumer, pd->pd_meta);
1498 }
1499 return (0);
1500}
1501
1502static int
1503g_raid_md_fail_disk_jmicron(struct g_raid_md_object *md,
1504 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
1505{
1506 struct g_raid_softc *sc;
|
1510 struct g_raid_md_jmicron_object *mdi;
| |
1511 struct g_raid_md_jmicron_perdisk *pd;
1512 struct g_raid_subdisk *sd;
1513
1514 sc = md->mdo_softc;
| 1507 struct g_raid_md_jmicron_perdisk *pd;
1508 struct g_raid_subdisk *sd;
1509
1510 sc = md->mdo_softc;
|
1515 mdi = (struct g_raid_md_jmicron_object *)md;
| |
1516 pd = (struct g_raid_md_jmicron_perdisk *)tdisk->d_md_data;
1517
1518 /* We can't fail disk that is not a part of array now. */
1519 if (pd->pd_disk_pos < 0)
1520 return (-1);
1521
1522 if (tdisk->d_consumer)
1523 jmicron_meta_erase(tdisk->d_consumer);
1524
1525 /* Change states. */
1526 g_raid_change_disk_state(tdisk, G_RAID_DISK_S_FAILED);
1527 TAILQ_FOREACH(sd, &tdisk->d_subdisks, sd_next) {
1528 g_raid_change_subdisk_state(sd,
1529 G_RAID_SUBDISK_S_FAILED);
1530 g_raid_event_send(sd, G_RAID_SUBDISK_E_FAILED,
1531 G_RAID_EVENT_SUBDISK);
1532 }
1533
1534 /* Write updated metadata to remaining disks. */
1535 g_raid_md_write_jmicron(md, NULL, NULL, tdisk);
1536
1537 /* Check if anything left except placeholders. */
1538 if (g_raid_ndisks(sc, -1) ==
1539 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1540 g_raid_destroy_node(sc, 0);
1541 else
1542 g_raid_md_jmicron_refill(sc);
1543 return (0);
1544}
1545
1546static int
1547g_raid_md_free_disk_jmicron(struct g_raid_md_object *md,
1548 struct g_raid_disk *disk)
1549{
1550 struct g_raid_md_jmicron_perdisk *pd;
1551
1552 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1553 if (pd->pd_meta != NULL) {
1554 free(pd->pd_meta, M_MD_JMICRON);
1555 pd->pd_meta = NULL;
1556 }
1557 free(pd, M_MD_JMICRON);
1558 disk->d_md_data = NULL;
1559 return (0);
1560}
1561
1562static int
1563g_raid_md_free_jmicron(struct g_raid_md_object *md)
1564{
1565 struct g_raid_md_jmicron_object *mdi;
1566
1567 mdi = (struct g_raid_md_jmicron_object *)md;
1568 if (!mdi->mdio_started) {
1569 mdi->mdio_started = 0;
1570 callout_stop(&mdi->mdio_start_co);
1571 G_RAID_DEBUG1(1, md->mdo_softc,
1572 "root_mount_rel %p", mdi->mdio_rootmount);
1573 root_mount_rel(mdi->mdio_rootmount);
1574 mdi->mdio_rootmount = NULL;
1575 }
1576 if (mdi->mdio_meta != NULL) {
1577 free(mdi->mdio_meta, M_MD_JMICRON);
1578 mdi->mdio_meta = NULL;
1579 }
1580 return (0);
1581}
1582
1583G_RAID_MD_DECLARE(g_raid_md_jmicron);
| 1511 pd = (struct g_raid_md_jmicron_perdisk *)tdisk->d_md_data;
1512
1513 /* We can't fail disk that is not a part of array now. */
1514 if (pd->pd_disk_pos < 0)
1515 return (-1);
1516
1517 if (tdisk->d_consumer)
1518 jmicron_meta_erase(tdisk->d_consumer);
1519
1520 /* Change states. */
1521 g_raid_change_disk_state(tdisk, G_RAID_DISK_S_FAILED);
1522 TAILQ_FOREACH(sd, &tdisk->d_subdisks, sd_next) {
1523 g_raid_change_subdisk_state(sd,
1524 G_RAID_SUBDISK_S_FAILED);
1525 g_raid_event_send(sd, G_RAID_SUBDISK_E_FAILED,
1526 G_RAID_EVENT_SUBDISK);
1527 }
1528
1529 /* Write updated metadata to remaining disks. */
1530 g_raid_md_write_jmicron(md, NULL, NULL, tdisk);
1531
1532 /* Check if anything left except placeholders. */
1533 if (g_raid_ndisks(sc, -1) ==
1534 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1535 g_raid_destroy_node(sc, 0);
1536 else
1537 g_raid_md_jmicron_refill(sc);
1538 return (0);
1539}
1540
1541static int
1542g_raid_md_free_disk_jmicron(struct g_raid_md_object *md,
1543 struct g_raid_disk *disk)
1544{
1545 struct g_raid_md_jmicron_perdisk *pd;
1546
1547 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1548 if (pd->pd_meta != NULL) {
1549 free(pd->pd_meta, M_MD_JMICRON);
1550 pd->pd_meta = NULL;
1551 }
1552 free(pd, M_MD_JMICRON);
1553 disk->d_md_data = NULL;
1554 return (0);
1555}
1556
1557static int
1558g_raid_md_free_jmicron(struct g_raid_md_object *md)
1559{
1560 struct g_raid_md_jmicron_object *mdi;
1561
1562 mdi = (struct g_raid_md_jmicron_object *)md;
1563 if (!mdi->mdio_started) {
1564 mdi->mdio_started = 0;
1565 callout_stop(&mdi->mdio_start_co);
1566 G_RAID_DEBUG1(1, md->mdo_softc,
1567 "root_mount_rel %p", mdi->mdio_rootmount);
1568 root_mount_rel(mdi->mdio_rootmount);
1569 mdi->mdio_rootmount = NULL;
1570 }
1571 if (mdi->mdio_meta != NULL) {
1572 free(mdi->mdio_meta, M_MD_JMICRON);
1573 mdi->mdio_meta = NULL;
1574 }
1575 return (0);
1576}
1577
1578G_RAID_MD_DECLARE(g_raid_md_jmicron);
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