1/*-
2 * Copyright (c) 2010 Alexander Motin <mav@FreeBSD.org>
3 * Copyright (c) 2000 - 2008 S��ren Schmidt <sos@FreeBSD.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 2010 Alexander Motin <mav@FreeBSD.org>
3 * Copyright (c) 2000 - 2008 S��ren Schmidt <sos@FreeBSD.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
|
29__FBSDID("$FreeBSD: stable/10/sys/geom/raid/md_jmicron.c 265669 2014-05-08 12:07:40Z mav $");
| 29__FBSDID("$FreeBSD: stable/10/sys/geom/raid/md_jmicron.c 279878 2015-03-11 09:50:31Z mav $");
|
30
31#include <sys/param.h>
32#include <sys/bio.h>
33#include <sys/endian.h>
34#include <sys/kernel.h>
35#include <sys/kobj.h>
36#include <sys/limits.h>
37#include <sys/lock.h>
38#include <sys/malloc.h>
39#include <sys/mutex.h>
40#include <sys/systm.h>
41#include <sys/taskqueue.h>
42#include <geom/geom.h>
43#include "geom/raid/g_raid.h"
44#include "g_raid_md_if.h"
45
46static MALLOC_DEFINE(M_MD_JMICRON, "md_jmicron_data", "GEOM_RAID JMicron metadata");
47
48#define JMICRON_MAX_DISKS 8
49#define JMICRON_MAX_SPARE 2
50
51struct jmicron_raid_conf {
52 u_int8_t signature[2];
53#define JMICRON_MAGIC "JM"
54
55 u_int16_t version;
56#define JMICRON_VERSION 0x0001
57
58 u_int16_t checksum;
59 u_int8_t filler_1[10];
60 u_int32_t disk_id;
61 u_int32_t offset;
62 u_int32_t disk_sectors_high;
63 u_int16_t disk_sectors_low;
64 u_int8_t filler_2[2];
65 u_int8_t name[16];
66 u_int8_t type;
67#define JMICRON_T_RAID0 0
68#define JMICRON_T_RAID1 1
69#define JMICRON_T_RAID01 2
70#define JMICRON_T_CONCAT 3
71#define JMICRON_T_RAID5 5
72
73 u_int8_t stripe_shift;
74 u_int16_t flags;
75#define JMICRON_F_READY 0x0001
76#define JMICRON_F_BOOTABLE 0x0002
77#define JMICRON_F_BADSEC 0x0004
78#define JMICRON_F_ACTIVE 0x0010
79#define JMICRON_F_UNSYNC 0x0020
80#define JMICRON_F_NEWEST 0x0040
81
82 u_int8_t filler_3[4];
83 u_int32_t spare[JMICRON_MAX_SPARE];
84 u_int32_t disks[JMICRON_MAX_DISKS];
85#define JMICRON_DISK_MASK 0xFFFFFFF0
86#define JMICRON_SEG_MASK 0x0000000F
87 u_int8_t filler_4[32];
88 u_int8_t filler_5[384];
89};
90
91struct g_raid_md_jmicron_perdisk {
92 struct jmicron_raid_conf *pd_meta;
93 int pd_disk_pos;
94 int pd_disk_id;
95 off_t pd_disk_size;
96};
97
98struct g_raid_md_jmicron_object {
99 struct g_raid_md_object mdio_base;
100 uint32_t mdio_config_id;
101 struct jmicron_raid_conf *mdio_meta;
102 struct callout mdio_start_co; /* STARTING state timer. */
103 int mdio_total_disks;
104 int mdio_disks_present;
105 int mdio_started;
106 int mdio_incomplete;
107 struct root_hold_token *mdio_rootmount; /* Root mount delay token. */
108};
109
110static g_raid_md_create_t g_raid_md_create_jmicron;
111static g_raid_md_taste_t g_raid_md_taste_jmicron;
112static g_raid_md_event_t g_raid_md_event_jmicron;
113static g_raid_md_ctl_t g_raid_md_ctl_jmicron;
114static g_raid_md_write_t g_raid_md_write_jmicron;
115static g_raid_md_fail_disk_t g_raid_md_fail_disk_jmicron;
116static g_raid_md_free_disk_t g_raid_md_free_disk_jmicron;
117static g_raid_md_free_t g_raid_md_free_jmicron;
118
119static kobj_method_t g_raid_md_jmicron_methods[] = {
120 KOBJMETHOD(g_raid_md_create, g_raid_md_create_jmicron),
121 KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_jmicron),
122 KOBJMETHOD(g_raid_md_event, g_raid_md_event_jmicron),
123 KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_jmicron),
124 KOBJMETHOD(g_raid_md_write, g_raid_md_write_jmicron),
125 KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_jmicron),
126 KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_jmicron),
127 KOBJMETHOD(g_raid_md_free, g_raid_md_free_jmicron),
128 { 0, 0 }
129};
130
131static struct g_raid_md_class g_raid_md_jmicron_class = {
132 "JMicron",
133 g_raid_md_jmicron_methods,
134 sizeof(struct g_raid_md_jmicron_object),
135 .mdc_enable = 1,
136 .mdc_priority = 100
137};
138
139static void
140g_raid_md_jmicron_print(struct jmicron_raid_conf *meta)
141{
142 int k;
143
144 if (g_raid_debug < 1)
145 return;
146
147 printf("********* ATA JMicron RAID Metadata *********\n");
148 printf("signature <%c%c>\n", meta->signature[0], meta->signature[1]);
149 printf("version %04x\n", meta->version);
150 printf("checksum 0x%04x\n", meta->checksum);
151 printf("disk_id 0x%08x\n", meta->disk_id);
152 printf("offset 0x%08x\n", meta->offset);
153 printf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high);
154 printf("disk_sectors_low 0x%04x\n", meta->disk_sectors_low);
155 printf("name <%.16s>\n", meta->name);
156 printf("type %d\n", meta->type);
157 printf("stripe_shift %d\n", meta->stripe_shift);
158 printf("flags %04x\n", meta->flags);
159 printf("spare ");
160 for (k = 0; k < JMICRON_MAX_SPARE; k++)
161 printf(" 0x%08x", meta->spare[k]);
162 printf("\n");
163 printf("disks ");
164 for (k = 0; k < JMICRON_MAX_DISKS; k++)
165 printf(" 0x%08x", meta->disks[k]);
166 printf("\n");
167 printf("=================================================\n");
168}
169
170static struct jmicron_raid_conf *
171jmicron_meta_copy(struct jmicron_raid_conf *meta)
172{
173 struct jmicron_raid_conf *nmeta;
174
175 nmeta = malloc(sizeof(*meta), M_MD_JMICRON, M_WAITOK);
176 memcpy(nmeta, meta, sizeof(*meta));
177 return (nmeta);
178}
179
180static int
181jmicron_meta_total_disks(struct jmicron_raid_conf *meta)
182{
183 int pos;
184
185 for (pos = 0; pos < JMICRON_MAX_DISKS; pos++) {
186 if (meta->disks[pos] == 0)
187 break;
188 }
189 return (pos);
190}
191
192static int
193jmicron_meta_total_spare(struct jmicron_raid_conf *meta)
194{
195 int pos, n;
196
197 n = 0;
198 for (pos = 0; pos < JMICRON_MAX_SPARE; pos++) {
199 if (meta->spare[pos] != 0)
200 n++;
201 }
202 return (n);
203}
204
205/*
206 * Generate fake Configuration ID based on disk IDs.
207 * Note: it will change after each disk set change.
208 */
209static uint32_t
210jmicron_meta_config_id(struct jmicron_raid_conf *meta)
211{
212 int pos;
213 uint32_t config_id;
214
215 config_id = 0;
216 for (pos = 0; pos < JMICRON_MAX_DISKS; pos++)
217 config_id += meta->disks[pos] << pos;
218 return (config_id);
219}
220
221static void
222jmicron_meta_get_name(struct jmicron_raid_conf *meta, char *buf)
223{
224 int i;
225
226 strncpy(buf, meta->name, 16);
227 buf[16] = 0;
228 for (i = 15; i >= 0; i--) {
229 if (buf[i] > 0x20)
230 break;
231 buf[i] = 0;
232 }
233}
234
235static void
236jmicron_meta_put_name(struct jmicron_raid_conf *meta, char *buf)
237{
238
239 memset(meta->name, 0x20, 16);
240 memcpy(meta->name, buf, MIN(strlen(buf), 16));
241}
242
243static int
244jmicron_meta_find_disk(struct jmicron_raid_conf *meta, uint32_t id)
245{
246 int pos;
247
248 id &= JMICRON_DISK_MASK;
249 for (pos = 0; pos < JMICRON_MAX_DISKS; pos++) {
250 if ((meta->disks[pos] & JMICRON_DISK_MASK) == id)
251 return (pos);
252 }
253 for (pos = 0; pos < JMICRON_MAX_SPARE; pos++) {
254 if ((meta->spare[pos] & JMICRON_DISK_MASK) == id)
255 return (-3);
256 }
257 return (-1);
258}
259
260static struct jmicron_raid_conf *
261jmicron_meta_read(struct g_consumer *cp)
262{
263 struct g_provider *pp;
264 struct jmicron_raid_conf *meta;
265 char *buf;
266 int error, i;
267 uint16_t checksum, *ptr;
268
269 pp = cp->provider;
270
271 /* Read the anchor sector. */
272 buf = g_read_data(cp,
273 pp->mediasize - pp->sectorsize, pp->sectorsize, &error);
274 if (buf == NULL) {
275 G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).",
276 pp->name, error);
277 return (NULL);
278 }
279 meta = (struct jmicron_raid_conf *)buf;
280
281 /* Check if this is an JMicron RAID struct */
282 if (strncmp(meta->signature, JMICRON_MAGIC, strlen(JMICRON_MAGIC))) {
283 G_RAID_DEBUG(1, "JMicron signature check failed on %s", pp->name);
284 g_free(buf);
285 return (NULL);
286 }
287 meta = malloc(sizeof(*meta), M_MD_JMICRON, M_WAITOK);
288 memcpy(meta, buf, min(sizeof(*meta), pp->sectorsize));
289 g_free(buf);
290
291 /* Check metadata checksum. */
292 for (checksum = 0, ptr = (uint16_t *)meta, i = 0; i < 64; i++)
293 checksum += *ptr++;
294 if (checksum != 0) {
295 G_RAID_DEBUG(1, "JMicron checksum check failed on %s", pp->name);
296 free(meta, M_MD_JMICRON);
297 return (NULL);
298 }
299
300 return (meta);
301}
302
303static int
304jmicron_meta_write(struct g_consumer *cp, struct jmicron_raid_conf *meta)
305{
306 struct g_provider *pp;
307 char *buf;
308 int error, i;
309 uint16_t checksum, *ptr;
310
311 pp = cp->provider;
312
313 /* Recalculate checksum for case if metadata were changed. */
314 meta->checksum = 0;
315 for (checksum = 0, ptr = (uint16_t *)meta, i = 0; i < 64; i++)
316 checksum += *ptr++;
317 meta->checksum -= checksum;
318
319 /* Create and fill buffer. */
320 buf = malloc(pp->sectorsize, M_MD_JMICRON, M_WAITOK | M_ZERO);
321 memcpy(buf, meta, sizeof(*meta));
322
323 error = g_write_data(cp,
324 pp->mediasize - pp->sectorsize, buf, pp->sectorsize);
325 if (error != 0) {
326 G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).",
327 pp->name, error);
328 }
329
330 free(buf, M_MD_JMICRON);
331 return (error);
332}
333
334static int
335jmicron_meta_erase(struct g_consumer *cp)
336{
337 struct g_provider *pp;
338 char *buf;
339 int error;
340
341 pp = cp->provider;
342 buf = malloc(pp->sectorsize, M_MD_JMICRON, M_WAITOK | M_ZERO);
343 error = g_write_data(cp,
344 pp->mediasize - pp->sectorsize, buf, pp->sectorsize);
345 if (error != 0) {
346 G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).",
347 pp->name, error);
348 }
349 free(buf, M_MD_JMICRON);
350 return (error);
351}
352
353static struct g_raid_disk *
354g_raid_md_jmicron_get_disk(struct g_raid_softc *sc, int id)
355{
356 struct g_raid_disk *disk;
357 struct g_raid_md_jmicron_perdisk *pd;
358
359 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
360 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
361 if (pd->pd_disk_pos == id)
362 break;
363 }
364 return (disk);
365}
366
367static int
368g_raid_md_jmicron_supported(int level, int qual, int disks, int force)
369{
370
371 if (disks > 8)
372 return (0);
373 switch (level) {
374 case G_RAID_VOLUME_RL_RAID0:
375 if (disks < 1)
376 return (0);
377 if (!force && (disks < 2 || disks > 6))
378 return (0);
379 break;
380 case G_RAID_VOLUME_RL_RAID1:
381 if (disks < 1)
382 return (0);
383 if (!force && (disks != 2))
384 return (0);
385 break;
386 case G_RAID_VOLUME_RL_RAID1E:
387 if (disks < 2)
388 return (0);
389 if (!force && (disks != 4))
390 return (0);
391 break;
392 case G_RAID_VOLUME_RL_SINGLE:
393 if (disks != 1)
394 return (0);
395 if (!force)
396 return (0);
397 break;
398 case G_RAID_VOLUME_RL_CONCAT:
399 if (disks < 2)
400 return (0);
401 break;
402 case G_RAID_VOLUME_RL_RAID5:
403 if (disks < 3)
404 return (0);
405 if (qual != G_RAID_VOLUME_RLQ_R5LA)
406 return (0);
407 if (!force)
408 return (0);
409 break;
410 default:
411 return (0);
412 }
413 if (level != G_RAID_VOLUME_RL_RAID5 && qual != G_RAID_VOLUME_RLQ_NONE)
414 return (0);
415 return (1);
416}
417
418static int
419g_raid_md_jmicron_start_disk(struct g_raid_disk *disk)
420{
421 struct g_raid_softc *sc;
422 struct g_raid_subdisk *sd, *tmpsd;
423 struct g_raid_disk *olddisk, *tmpdisk;
424 struct g_raid_md_object *md;
425 struct g_raid_md_jmicron_object *mdi;
426 struct g_raid_md_jmicron_perdisk *pd, *oldpd;
427 struct jmicron_raid_conf *meta;
428 int disk_pos, resurrection = 0;
429
430 sc = disk->d_softc;
431 md = sc->sc_md;
432 mdi = (struct g_raid_md_jmicron_object *)md;
433 meta = mdi->mdio_meta;
434 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
435 olddisk = NULL;
436
437 /* Find disk position in metadata by it's serial. */
438 if (pd->pd_meta != NULL)
439 disk_pos = jmicron_meta_find_disk(meta, pd->pd_disk_id);
440 else
441 disk_pos = -1;
442 if (disk_pos < 0) {
443 G_RAID_DEBUG1(1, sc, "Unknown, probably new or stale disk");
444 /* If we are in the start process, that's all for now. */
445 if (!mdi->mdio_started)
446 goto nofit;
447 /*
448 * If we have already started - try to get use of the disk.
449 * Try to replace OFFLINE disks first, then FAILED.
450 */
451 TAILQ_FOREACH(tmpdisk, &sc->sc_disks, d_next) {
452 if (tmpdisk->d_state != G_RAID_DISK_S_OFFLINE &&
453 tmpdisk->d_state != G_RAID_DISK_S_FAILED)
454 continue;
455 /* Make sure this disk is big enough. */
456 TAILQ_FOREACH(sd, &tmpdisk->d_subdisks, sd_next) {
457 if (sd->sd_offset + sd->sd_size + 512 >
458 pd->pd_disk_size) {
459 G_RAID_DEBUG1(1, sc,
460 "Disk too small (%ju < %ju)",
461 pd->pd_disk_size,
462 sd->sd_offset + sd->sd_size + 512);
463 break;
464 }
465 }
466 if (sd != NULL)
467 continue;
468 if (tmpdisk->d_state == G_RAID_DISK_S_OFFLINE) {
469 olddisk = tmpdisk;
470 break;
471 } else if (olddisk == NULL)
472 olddisk = tmpdisk;
473 }
474 if (olddisk == NULL) {
475nofit:
476 if (disk_pos == -3 || pd->pd_disk_pos == -3) {
477 g_raid_change_disk_state(disk,
478 G_RAID_DISK_S_SPARE);
479 return (1);
480 } else {
481 g_raid_change_disk_state(disk,
482 G_RAID_DISK_S_STALE);
483 return (0);
484 }
485 }
486 oldpd = (struct g_raid_md_jmicron_perdisk *)olddisk->d_md_data;
487 disk_pos = oldpd->pd_disk_pos;
488 resurrection = 1;
489 }
490
491 if (olddisk == NULL) {
492 /* Find placeholder by position. */
493 olddisk = g_raid_md_jmicron_get_disk(sc, disk_pos);
494 if (olddisk == NULL)
495 panic("No disk at position %d!", disk_pos);
496 if (olddisk->d_state != G_RAID_DISK_S_OFFLINE) {
497 G_RAID_DEBUG1(1, sc, "More then one disk for pos %d",
498 disk_pos);
499 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE);
500 return (0);
501 }
502 oldpd = (struct g_raid_md_jmicron_perdisk *)olddisk->d_md_data;
503 }
504
505 /* Replace failed disk or placeholder with new disk. */
506 TAILQ_FOREACH_SAFE(sd, &olddisk->d_subdisks, sd_next, tmpsd) {
507 TAILQ_REMOVE(&olddisk->d_subdisks, sd, sd_next);
508 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
509 sd->sd_disk = disk;
510 }
511 oldpd->pd_disk_pos = -2;
512 pd->pd_disk_pos = disk_pos;
513 /* Update global metadata just in case. */
514 meta->disks[disk_pos] = pd->pd_disk_id;
515
516 /* If it was placeholder -- destroy it. */
517 if (olddisk->d_state == G_RAID_DISK_S_OFFLINE) {
518 g_raid_destroy_disk(olddisk);
519 } else {
520 /* Otherwise, make it STALE_FAILED. */
521 g_raid_change_disk_state(olddisk, G_RAID_DISK_S_STALE_FAILED);
522 }
523
524 /* Welcome the new disk. */
525 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
526 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
527
528 /*
529 * Different disks may have different sizes/offsets,
530 * especially in concat mode. Update.
531 */
532 if (!resurrection) {
533 sd->sd_offset =
534 (off_t)pd->pd_meta->offset * 16 * 512; //ZZZ
535 sd->sd_size =
536 (((off_t)pd->pd_meta->disk_sectors_high << 16) +
537 pd->pd_meta->disk_sectors_low) * 512;
538 }
539
540 if (resurrection) {
541 /* Stale disk, almost same as new. */
542 g_raid_change_subdisk_state(sd,
543 G_RAID_SUBDISK_S_NEW);
544 } else if ((meta->flags & JMICRON_F_BADSEC) != 0 &&
545 (pd->pd_meta->flags & JMICRON_F_BADSEC) == 0) {
546 /* Cold-inserted or rebuilding disk. */
547 g_raid_change_subdisk_state(sd,
548 G_RAID_SUBDISK_S_NEW);
549 } else if (pd->pd_meta->flags & JMICRON_F_UNSYNC) {
550 /* Dirty or resyncing disk.. */
551 g_raid_change_subdisk_state(sd,
552 G_RAID_SUBDISK_S_STALE);
553 } else {
554 /* Up to date disk. */
555 g_raid_change_subdisk_state(sd,
556 G_RAID_SUBDISK_S_ACTIVE);
557 }
558 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
559 G_RAID_EVENT_SUBDISK);
560 }
561
562 /* Update status of our need for spare. */
563 if (mdi->mdio_started) {
564 mdi->mdio_incomplete =
565 (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
566 mdi->mdio_total_disks);
567 }
568
569 return (resurrection);
570}
571
572static void
573g_disk_md_jmicron_retaste(void *arg, int pending)
574{
575
576 G_RAID_DEBUG(1, "Array is not complete, trying to retaste.");
577 g_retaste(&g_raid_class);
578 free(arg, M_MD_JMICRON);
579}
580
581static void
582g_raid_md_jmicron_refill(struct g_raid_softc *sc)
583{
584 struct g_raid_md_object *md;
585 struct g_raid_md_jmicron_object *mdi;
586 struct g_raid_disk *disk;
587 struct task *task;
588 int update, na;
589
590 md = sc->sc_md;
591 mdi = (struct g_raid_md_jmicron_object *)md;
592 update = 0;
593 do {
594 /* Make sure we miss anything. */
595 na = g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE);
596 if (na == mdi->mdio_total_disks)
597 break;
598
599 G_RAID_DEBUG1(1, md->mdo_softc,
600 "Array is not complete (%d of %d), "
601 "trying to refill.", na, mdi->mdio_total_disks);
602
603 /* Try to get use some of STALE disks. */
604 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
605 if (disk->d_state == G_RAID_DISK_S_STALE) {
606 update += g_raid_md_jmicron_start_disk(disk);
607 if (disk->d_state == G_RAID_DISK_S_ACTIVE)
608 break;
609 }
610 }
611 if (disk != NULL)
612 continue;
613
614 /* Try to get use some of SPARE disks. */
615 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
616 if (disk->d_state == G_RAID_DISK_S_SPARE) {
617 update += g_raid_md_jmicron_start_disk(disk);
618 if (disk->d_state == G_RAID_DISK_S_ACTIVE)
619 break;
620 }
621 }
622 } while (disk != NULL);
623
624 /* Write new metadata if we changed something. */
625 if (update)
626 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
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 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE;
665 if (meta->type == JMICRON_T_RAID0) {
666 vol->v_raid_level = G_RAID_VOLUME_RL_RAID0;
667 vol->v_mediasize = size * mdi->mdio_total_disks;
668 } else if (meta->type == JMICRON_T_RAID1) {
669 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
670 vol->v_mediasize = size;
671 } else if (meta->type == JMICRON_T_RAID01) {
672 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
673 vol->v_mediasize = size * mdi->mdio_total_disks / 2;
674 } else if (meta->type == JMICRON_T_CONCAT) {
675 if (mdi->mdio_total_disks == 1)
676 vol->v_raid_level = G_RAID_VOLUME_RL_SINGLE;
677 else
678 vol->v_raid_level = G_RAID_VOLUME_RL_CONCAT;
679 vol->v_mediasize = 0;
680 } else if (meta->type == JMICRON_T_RAID5) {
681 vol->v_raid_level = G_RAID_VOLUME_RL_RAID5;
682 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_R5LA;
683 vol->v_mediasize = size * (mdi->mdio_total_disks - 1);
684 } else {
685 vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN;
686 vol->v_mediasize = 0;
687 }
688 vol->v_strip_size = 1024 << meta->stripe_shift; //ZZZ
689 vol->v_disks_count = mdi->mdio_total_disks;
690 vol->v_sectorsize = 512; //ZZZ
691 for (j = 0; j < vol->v_disks_count; j++) {
692 sd = &vol->v_subdisks[j];
693 sd->sd_offset = (off_t)meta->offset * 16 * 512; //ZZZ
694 sd->sd_size = size;
695 }
696 g_raid_start_volume(vol);
697
698 /* Create disk placeholders to store data for later writing. */
699 for (disk_pos = 0; disk_pos < mdi->mdio_total_disks; disk_pos++) {
700 pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO);
701 pd->pd_disk_pos = disk_pos;
702 pd->pd_disk_id = meta->disks[disk_pos];
703 disk = g_raid_create_disk(sc);
704 disk->d_md_data = (void *)pd;
705 disk->d_state = G_RAID_DISK_S_OFFLINE;
706 sd = &vol->v_subdisks[disk_pos];
707 sd->sd_disk = disk;
708 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
709 }
710
711 /* Make all disks found till the moment take their places. */
712 do {
713 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
714 if (disk->d_state == G_RAID_DISK_S_NONE) {
715 g_raid_md_jmicron_start_disk(disk);
716 break;
717 }
718 }
719 } while (disk != NULL);
720
721 mdi->mdio_started = 1;
722 G_RAID_DEBUG1(0, sc, "Array started.");
723 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
724
725 /* Pickup any STALE/SPARE disks to refill array if needed. */
726 g_raid_md_jmicron_refill(sc);
727
728 g_raid_event_send(vol, G_RAID_VOLUME_E_START, G_RAID_EVENT_VOLUME);
729
730 callout_stop(&mdi->mdio_start_co);
731 G_RAID_DEBUG1(1, sc, "root_mount_rel %p", mdi->mdio_rootmount);
732 root_mount_rel(mdi->mdio_rootmount);
733 mdi->mdio_rootmount = NULL;
734}
735
736static void
737g_raid_md_jmicron_new_disk(struct g_raid_disk *disk)
738{
739 struct g_raid_softc *sc;
740 struct g_raid_md_object *md;
741 struct g_raid_md_jmicron_object *mdi;
742 struct jmicron_raid_conf *pdmeta;
743 struct g_raid_md_jmicron_perdisk *pd;
744
745 sc = disk->d_softc;
746 md = sc->sc_md;
747 mdi = (struct g_raid_md_jmicron_object *)md;
748 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
749 pdmeta = pd->pd_meta;
750
751 if (mdi->mdio_started) {
752 if (g_raid_md_jmicron_start_disk(disk))
753 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
754 } else {
755 /*
756 * If we haven't started yet - update common metadata
757 * to get subdisks details, avoiding data from spare disks.
758 */
759 if (mdi->mdio_meta == NULL ||
760 jmicron_meta_find_disk(mdi->mdio_meta,
761 mdi->mdio_meta->disk_id) == -3) {
762 if (mdi->mdio_meta != NULL)
763 free(mdi->mdio_meta, M_MD_JMICRON);
764 mdi->mdio_meta = jmicron_meta_copy(pdmeta);
765 mdi->mdio_total_disks = jmicron_meta_total_disks(pdmeta);
766 }
767 mdi->mdio_meta->flags |= pdmeta->flags & JMICRON_F_BADSEC;
768
769 mdi->mdio_disks_present++;
770 G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d+%d up)",
771 mdi->mdio_disks_present,
772 mdi->mdio_total_disks,
773 jmicron_meta_total_spare(mdi->mdio_meta));
774
775 /* If we collected all needed disks - start array. */
776 if (mdi->mdio_disks_present == mdi->mdio_total_disks +
777 jmicron_meta_total_spare(mdi->mdio_meta))
778 g_raid_md_jmicron_start(sc);
779 }
780}
781
782static void
783g_raid_jmicron_go(void *arg)
784{
785 struct g_raid_softc *sc;
786 struct g_raid_md_object *md;
787 struct g_raid_md_jmicron_object *mdi;
788
789 sc = arg;
790 md = sc->sc_md;
791 mdi = (struct g_raid_md_jmicron_object *)md;
792 if (!mdi->mdio_started) {
793 G_RAID_DEBUG1(0, sc, "Force array start due to timeout.");
794 g_raid_event_send(sc, G_RAID_NODE_E_START, 0);
795 }
796}
797
798static int
799g_raid_md_create_jmicron(struct g_raid_md_object *md, struct g_class *mp,
800 struct g_geom **gp)
801{
802 struct g_raid_softc *sc;
803 struct g_raid_md_jmicron_object *mdi;
804 char name[16];
805
806 mdi = (struct g_raid_md_jmicron_object *)md;
807 mdi->mdio_config_id = arc4random();
808 snprintf(name, sizeof(name), "JMicron-%08x", mdi->mdio_config_id);
809 sc = g_raid_create_node(mp, name, md);
810 if (sc == NULL)
811 return (G_RAID_MD_TASTE_FAIL);
812 md->mdo_softc = sc;
813 *gp = sc->sc_geom;
814 return (G_RAID_MD_TASTE_NEW);
815}
816
817static int
818g_raid_md_taste_jmicron(struct g_raid_md_object *md, struct g_class *mp,
819 struct g_consumer *cp, struct g_geom **gp)
820{
821 struct g_consumer *rcp;
822 struct g_provider *pp;
823 struct g_raid_md_jmicron_object *mdi, *mdi1;
824 struct g_raid_softc *sc;
825 struct g_raid_disk *disk;
826 struct jmicron_raid_conf *meta;
827 struct g_raid_md_jmicron_perdisk *pd;
828 struct g_geom *geom;
829 int disk_pos, result, spare, len;
830 char name[16];
831 uint16_t vendor;
832
833 G_RAID_DEBUG(1, "Tasting JMicron on %s", cp->provider->name);
834 mdi = (struct g_raid_md_jmicron_object *)md;
835 pp = cp->provider;
836
837 /* Read metadata from device. */
838 meta = NULL;
| 30
31#include <sys/param.h>
32#include <sys/bio.h>
33#include <sys/endian.h>
34#include <sys/kernel.h>
35#include <sys/kobj.h>
36#include <sys/limits.h>
37#include <sys/lock.h>
38#include <sys/malloc.h>
39#include <sys/mutex.h>
40#include <sys/systm.h>
41#include <sys/taskqueue.h>
42#include <geom/geom.h>
43#include "geom/raid/g_raid.h"
44#include "g_raid_md_if.h"
45
46static MALLOC_DEFINE(M_MD_JMICRON, "md_jmicron_data", "GEOM_RAID JMicron metadata");
47
48#define JMICRON_MAX_DISKS 8
49#define JMICRON_MAX_SPARE 2
50
51struct jmicron_raid_conf {
52 u_int8_t signature[2];
53#define JMICRON_MAGIC "JM"
54
55 u_int16_t version;
56#define JMICRON_VERSION 0x0001
57
58 u_int16_t checksum;
59 u_int8_t filler_1[10];
60 u_int32_t disk_id;
61 u_int32_t offset;
62 u_int32_t disk_sectors_high;
63 u_int16_t disk_sectors_low;
64 u_int8_t filler_2[2];
65 u_int8_t name[16];
66 u_int8_t type;
67#define JMICRON_T_RAID0 0
68#define JMICRON_T_RAID1 1
69#define JMICRON_T_RAID01 2
70#define JMICRON_T_CONCAT 3
71#define JMICRON_T_RAID5 5
72
73 u_int8_t stripe_shift;
74 u_int16_t flags;
75#define JMICRON_F_READY 0x0001
76#define JMICRON_F_BOOTABLE 0x0002
77#define JMICRON_F_BADSEC 0x0004
78#define JMICRON_F_ACTIVE 0x0010
79#define JMICRON_F_UNSYNC 0x0020
80#define JMICRON_F_NEWEST 0x0040
81
82 u_int8_t filler_3[4];
83 u_int32_t spare[JMICRON_MAX_SPARE];
84 u_int32_t disks[JMICRON_MAX_DISKS];
85#define JMICRON_DISK_MASK 0xFFFFFFF0
86#define JMICRON_SEG_MASK 0x0000000F
87 u_int8_t filler_4[32];
88 u_int8_t filler_5[384];
89};
90
91struct g_raid_md_jmicron_perdisk {
92 struct jmicron_raid_conf *pd_meta;
93 int pd_disk_pos;
94 int pd_disk_id;
95 off_t pd_disk_size;
96};
97
98struct g_raid_md_jmicron_object {
99 struct g_raid_md_object mdio_base;
100 uint32_t mdio_config_id;
101 struct jmicron_raid_conf *mdio_meta;
102 struct callout mdio_start_co; /* STARTING state timer. */
103 int mdio_total_disks;
104 int mdio_disks_present;
105 int mdio_started;
106 int mdio_incomplete;
107 struct root_hold_token *mdio_rootmount; /* Root mount delay token. */
108};
109
110static g_raid_md_create_t g_raid_md_create_jmicron;
111static g_raid_md_taste_t g_raid_md_taste_jmicron;
112static g_raid_md_event_t g_raid_md_event_jmicron;
113static g_raid_md_ctl_t g_raid_md_ctl_jmicron;
114static g_raid_md_write_t g_raid_md_write_jmicron;
115static g_raid_md_fail_disk_t g_raid_md_fail_disk_jmicron;
116static g_raid_md_free_disk_t g_raid_md_free_disk_jmicron;
117static g_raid_md_free_t g_raid_md_free_jmicron;
118
119static kobj_method_t g_raid_md_jmicron_methods[] = {
120 KOBJMETHOD(g_raid_md_create, g_raid_md_create_jmicron),
121 KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_jmicron),
122 KOBJMETHOD(g_raid_md_event, g_raid_md_event_jmicron),
123 KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_jmicron),
124 KOBJMETHOD(g_raid_md_write, g_raid_md_write_jmicron),
125 KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_jmicron),
126 KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_jmicron),
127 KOBJMETHOD(g_raid_md_free, g_raid_md_free_jmicron),
128 { 0, 0 }
129};
130
131static struct g_raid_md_class g_raid_md_jmicron_class = {
132 "JMicron",
133 g_raid_md_jmicron_methods,
134 sizeof(struct g_raid_md_jmicron_object),
135 .mdc_enable = 1,
136 .mdc_priority = 100
137};
138
139static void
140g_raid_md_jmicron_print(struct jmicron_raid_conf *meta)
141{
142 int k;
143
144 if (g_raid_debug < 1)
145 return;
146
147 printf("********* ATA JMicron RAID Metadata *********\n");
148 printf("signature <%c%c>\n", meta->signature[0], meta->signature[1]);
149 printf("version %04x\n", meta->version);
150 printf("checksum 0x%04x\n", meta->checksum);
151 printf("disk_id 0x%08x\n", meta->disk_id);
152 printf("offset 0x%08x\n", meta->offset);
153 printf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high);
154 printf("disk_sectors_low 0x%04x\n", meta->disk_sectors_low);
155 printf("name <%.16s>\n", meta->name);
156 printf("type %d\n", meta->type);
157 printf("stripe_shift %d\n", meta->stripe_shift);
158 printf("flags %04x\n", meta->flags);
159 printf("spare ");
160 for (k = 0; k < JMICRON_MAX_SPARE; k++)
161 printf(" 0x%08x", meta->spare[k]);
162 printf("\n");
163 printf("disks ");
164 for (k = 0; k < JMICRON_MAX_DISKS; k++)
165 printf(" 0x%08x", meta->disks[k]);
166 printf("\n");
167 printf("=================================================\n");
168}
169
170static struct jmicron_raid_conf *
171jmicron_meta_copy(struct jmicron_raid_conf *meta)
172{
173 struct jmicron_raid_conf *nmeta;
174
175 nmeta = malloc(sizeof(*meta), M_MD_JMICRON, M_WAITOK);
176 memcpy(nmeta, meta, sizeof(*meta));
177 return (nmeta);
178}
179
180static int
181jmicron_meta_total_disks(struct jmicron_raid_conf *meta)
182{
183 int pos;
184
185 for (pos = 0; pos < JMICRON_MAX_DISKS; pos++) {
186 if (meta->disks[pos] == 0)
187 break;
188 }
189 return (pos);
190}
191
192static int
193jmicron_meta_total_spare(struct jmicron_raid_conf *meta)
194{
195 int pos, n;
196
197 n = 0;
198 for (pos = 0; pos < JMICRON_MAX_SPARE; pos++) {
199 if (meta->spare[pos] != 0)
200 n++;
201 }
202 return (n);
203}
204
205/*
206 * Generate fake Configuration ID based on disk IDs.
207 * Note: it will change after each disk set change.
208 */
209static uint32_t
210jmicron_meta_config_id(struct jmicron_raid_conf *meta)
211{
212 int pos;
213 uint32_t config_id;
214
215 config_id = 0;
216 for (pos = 0; pos < JMICRON_MAX_DISKS; pos++)
217 config_id += meta->disks[pos] << pos;
218 return (config_id);
219}
220
221static void
222jmicron_meta_get_name(struct jmicron_raid_conf *meta, char *buf)
223{
224 int i;
225
226 strncpy(buf, meta->name, 16);
227 buf[16] = 0;
228 for (i = 15; i >= 0; i--) {
229 if (buf[i] > 0x20)
230 break;
231 buf[i] = 0;
232 }
233}
234
235static void
236jmicron_meta_put_name(struct jmicron_raid_conf *meta, char *buf)
237{
238
239 memset(meta->name, 0x20, 16);
240 memcpy(meta->name, buf, MIN(strlen(buf), 16));
241}
242
243static int
244jmicron_meta_find_disk(struct jmicron_raid_conf *meta, uint32_t id)
245{
246 int pos;
247
248 id &= JMICRON_DISK_MASK;
249 for (pos = 0; pos < JMICRON_MAX_DISKS; pos++) {
250 if ((meta->disks[pos] & JMICRON_DISK_MASK) == id)
251 return (pos);
252 }
253 for (pos = 0; pos < JMICRON_MAX_SPARE; pos++) {
254 if ((meta->spare[pos] & JMICRON_DISK_MASK) == id)
255 return (-3);
256 }
257 return (-1);
258}
259
260static struct jmicron_raid_conf *
261jmicron_meta_read(struct g_consumer *cp)
262{
263 struct g_provider *pp;
264 struct jmicron_raid_conf *meta;
265 char *buf;
266 int error, i;
267 uint16_t checksum, *ptr;
268
269 pp = cp->provider;
270
271 /* Read the anchor sector. */
272 buf = g_read_data(cp,
273 pp->mediasize - pp->sectorsize, pp->sectorsize, &error);
274 if (buf == NULL) {
275 G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).",
276 pp->name, error);
277 return (NULL);
278 }
279 meta = (struct jmicron_raid_conf *)buf;
280
281 /* Check if this is an JMicron RAID struct */
282 if (strncmp(meta->signature, JMICRON_MAGIC, strlen(JMICRON_MAGIC))) {
283 G_RAID_DEBUG(1, "JMicron signature check failed on %s", pp->name);
284 g_free(buf);
285 return (NULL);
286 }
287 meta = malloc(sizeof(*meta), M_MD_JMICRON, M_WAITOK);
288 memcpy(meta, buf, min(sizeof(*meta), pp->sectorsize));
289 g_free(buf);
290
291 /* Check metadata checksum. */
292 for (checksum = 0, ptr = (uint16_t *)meta, i = 0; i < 64; i++)
293 checksum += *ptr++;
294 if (checksum != 0) {
295 G_RAID_DEBUG(1, "JMicron checksum check failed on %s", pp->name);
296 free(meta, M_MD_JMICRON);
297 return (NULL);
298 }
299
300 return (meta);
301}
302
303static int
304jmicron_meta_write(struct g_consumer *cp, struct jmicron_raid_conf *meta)
305{
306 struct g_provider *pp;
307 char *buf;
308 int error, i;
309 uint16_t checksum, *ptr;
310
311 pp = cp->provider;
312
313 /* Recalculate checksum for case if metadata were changed. */
314 meta->checksum = 0;
315 for (checksum = 0, ptr = (uint16_t *)meta, i = 0; i < 64; i++)
316 checksum += *ptr++;
317 meta->checksum -= checksum;
318
319 /* Create and fill buffer. */
320 buf = malloc(pp->sectorsize, M_MD_JMICRON, M_WAITOK | M_ZERO);
321 memcpy(buf, meta, sizeof(*meta));
322
323 error = g_write_data(cp,
324 pp->mediasize - pp->sectorsize, buf, pp->sectorsize);
325 if (error != 0) {
326 G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).",
327 pp->name, error);
328 }
329
330 free(buf, M_MD_JMICRON);
331 return (error);
332}
333
334static int
335jmicron_meta_erase(struct g_consumer *cp)
336{
337 struct g_provider *pp;
338 char *buf;
339 int error;
340
341 pp = cp->provider;
342 buf = malloc(pp->sectorsize, M_MD_JMICRON, M_WAITOK | M_ZERO);
343 error = g_write_data(cp,
344 pp->mediasize - pp->sectorsize, buf, pp->sectorsize);
345 if (error != 0) {
346 G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).",
347 pp->name, error);
348 }
349 free(buf, M_MD_JMICRON);
350 return (error);
351}
352
353static struct g_raid_disk *
354g_raid_md_jmicron_get_disk(struct g_raid_softc *sc, int id)
355{
356 struct g_raid_disk *disk;
357 struct g_raid_md_jmicron_perdisk *pd;
358
359 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
360 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
361 if (pd->pd_disk_pos == id)
362 break;
363 }
364 return (disk);
365}
366
367static int
368g_raid_md_jmicron_supported(int level, int qual, int disks, int force)
369{
370
371 if (disks > 8)
372 return (0);
373 switch (level) {
374 case G_RAID_VOLUME_RL_RAID0:
375 if (disks < 1)
376 return (0);
377 if (!force && (disks < 2 || disks > 6))
378 return (0);
379 break;
380 case G_RAID_VOLUME_RL_RAID1:
381 if (disks < 1)
382 return (0);
383 if (!force && (disks != 2))
384 return (0);
385 break;
386 case G_RAID_VOLUME_RL_RAID1E:
387 if (disks < 2)
388 return (0);
389 if (!force && (disks != 4))
390 return (0);
391 break;
392 case G_RAID_VOLUME_RL_SINGLE:
393 if (disks != 1)
394 return (0);
395 if (!force)
396 return (0);
397 break;
398 case G_RAID_VOLUME_RL_CONCAT:
399 if (disks < 2)
400 return (0);
401 break;
402 case G_RAID_VOLUME_RL_RAID5:
403 if (disks < 3)
404 return (0);
405 if (qual != G_RAID_VOLUME_RLQ_R5LA)
406 return (0);
407 if (!force)
408 return (0);
409 break;
410 default:
411 return (0);
412 }
413 if (level != G_RAID_VOLUME_RL_RAID5 && qual != G_RAID_VOLUME_RLQ_NONE)
414 return (0);
415 return (1);
416}
417
418static int
419g_raid_md_jmicron_start_disk(struct g_raid_disk *disk)
420{
421 struct g_raid_softc *sc;
422 struct g_raid_subdisk *sd, *tmpsd;
423 struct g_raid_disk *olddisk, *tmpdisk;
424 struct g_raid_md_object *md;
425 struct g_raid_md_jmicron_object *mdi;
426 struct g_raid_md_jmicron_perdisk *pd, *oldpd;
427 struct jmicron_raid_conf *meta;
428 int disk_pos, resurrection = 0;
429
430 sc = disk->d_softc;
431 md = sc->sc_md;
432 mdi = (struct g_raid_md_jmicron_object *)md;
433 meta = mdi->mdio_meta;
434 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
435 olddisk = NULL;
436
437 /* Find disk position in metadata by it's serial. */
438 if (pd->pd_meta != NULL)
439 disk_pos = jmicron_meta_find_disk(meta, pd->pd_disk_id);
440 else
441 disk_pos = -1;
442 if (disk_pos < 0) {
443 G_RAID_DEBUG1(1, sc, "Unknown, probably new or stale disk");
444 /* If we are in the start process, that's all for now. */
445 if (!mdi->mdio_started)
446 goto nofit;
447 /*
448 * If we have already started - try to get use of the disk.
449 * Try to replace OFFLINE disks first, then FAILED.
450 */
451 TAILQ_FOREACH(tmpdisk, &sc->sc_disks, d_next) {
452 if (tmpdisk->d_state != G_RAID_DISK_S_OFFLINE &&
453 tmpdisk->d_state != G_RAID_DISK_S_FAILED)
454 continue;
455 /* Make sure this disk is big enough. */
456 TAILQ_FOREACH(sd, &tmpdisk->d_subdisks, sd_next) {
457 if (sd->sd_offset + sd->sd_size + 512 >
458 pd->pd_disk_size) {
459 G_RAID_DEBUG1(1, sc,
460 "Disk too small (%ju < %ju)",
461 pd->pd_disk_size,
462 sd->sd_offset + sd->sd_size + 512);
463 break;
464 }
465 }
466 if (sd != NULL)
467 continue;
468 if (tmpdisk->d_state == G_RAID_DISK_S_OFFLINE) {
469 olddisk = tmpdisk;
470 break;
471 } else if (olddisk == NULL)
472 olddisk = tmpdisk;
473 }
474 if (olddisk == NULL) {
475nofit:
476 if (disk_pos == -3 || pd->pd_disk_pos == -3) {
477 g_raid_change_disk_state(disk,
478 G_RAID_DISK_S_SPARE);
479 return (1);
480 } else {
481 g_raid_change_disk_state(disk,
482 G_RAID_DISK_S_STALE);
483 return (0);
484 }
485 }
486 oldpd = (struct g_raid_md_jmicron_perdisk *)olddisk->d_md_data;
487 disk_pos = oldpd->pd_disk_pos;
488 resurrection = 1;
489 }
490
491 if (olddisk == NULL) {
492 /* Find placeholder by position. */
493 olddisk = g_raid_md_jmicron_get_disk(sc, disk_pos);
494 if (olddisk == NULL)
495 panic("No disk at position %d!", disk_pos);
496 if (olddisk->d_state != G_RAID_DISK_S_OFFLINE) {
497 G_RAID_DEBUG1(1, sc, "More then one disk for pos %d",
498 disk_pos);
499 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE);
500 return (0);
501 }
502 oldpd = (struct g_raid_md_jmicron_perdisk *)olddisk->d_md_data;
503 }
504
505 /* Replace failed disk or placeholder with new disk. */
506 TAILQ_FOREACH_SAFE(sd, &olddisk->d_subdisks, sd_next, tmpsd) {
507 TAILQ_REMOVE(&olddisk->d_subdisks, sd, sd_next);
508 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
509 sd->sd_disk = disk;
510 }
511 oldpd->pd_disk_pos = -2;
512 pd->pd_disk_pos = disk_pos;
513 /* Update global metadata just in case. */
514 meta->disks[disk_pos] = pd->pd_disk_id;
515
516 /* If it was placeholder -- destroy it. */
517 if (olddisk->d_state == G_RAID_DISK_S_OFFLINE) {
518 g_raid_destroy_disk(olddisk);
519 } else {
520 /* Otherwise, make it STALE_FAILED. */
521 g_raid_change_disk_state(olddisk, G_RAID_DISK_S_STALE_FAILED);
522 }
523
524 /* Welcome the new disk. */
525 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
526 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
527
528 /*
529 * Different disks may have different sizes/offsets,
530 * especially in concat mode. Update.
531 */
532 if (!resurrection) {
533 sd->sd_offset =
534 (off_t)pd->pd_meta->offset * 16 * 512; //ZZZ
535 sd->sd_size =
536 (((off_t)pd->pd_meta->disk_sectors_high << 16) +
537 pd->pd_meta->disk_sectors_low) * 512;
538 }
539
540 if (resurrection) {
541 /* Stale disk, almost same as new. */
542 g_raid_change_subdisk_state(sd,
543 G_RAID_SUBDISK_S_NEW);
544 } else if ((meta->flags & JMICRON_F_BADSEC) != 0 &&
545 (pd->pd_meta->flags & JMICRON_F_BADSEC) == 0) {
546 /* Cold-inserted or rebuilding disk. */
547 g_raid_change_subdisk_state(sd,
548 G_RAID_SUBDISK_S_NEW);
549 } else if (pd->pd_meta->flags & JMICRON_F_UNSYNC) {
550 /* Dirty or resyncing disk.. */
551 g_raid_change_subdisk_state(sd,
552 G_RAID_SUBDISK_S_STALE);
553 } else {
554 /* Up to date disk. */
555 g_raid_change_subdisk_state(sd,
556 G_RAID_SUBDISK_S_ACTIVE);
557 }
558 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
559 G_RAID_EVENT_SUBDISK);
560 }
561
562 /* Update status of our need for spare. */
563 if (mdi->mdio_started) {
564 mdi->mdio_incomplete =
565 (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
566 mdi->mdio_total_disks);
567 }
568
569 return (resurrection);
570}
571
572static void
573g_disk_md_jmicron_retaste(void *arg, int pending)
574{
575
576 G_RAID_DEBUG(1, "Array is not complete, trying to retaste.");
577 g_retaste(&g_raid_class);
578 free(arg, M_MD_JMICRON);
579}
580
581static void
582g_raid_md_jmicron_refill(struct g_raid_softc *sc)
583{
584 struct g_raid_md_object *md;
585 struct g_raid_md_jmicron_object *mdi;
586 struct g_raid_disk *disk;
587 struct task *task;
588 int update, na;
589
590 md = sc->sc_md;
591 mdi = (struct g_raid_md_jmicron_object *)md;
592 update = 0;
593 do {
594 /* Make sure we miss anything. */
595 na = g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE);
596 if (na == mdi->mdio_total_disks)
597 break;
598
599 G_RAID_DEBUG1(1, md->mdo_softc,
600 "Array is not complete (%d of %d), "
601 "trying to refill.", na, mdi->mdio_total_disks);
602
603 /* Try to get use some of STALE disks. */
604 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
605 if (disk->d_state == G_RAID_DISK_S_STALE) {
606 update += g_raid_md_jmicron_start_disk(disk);
607 if (disk->d_state == G_RAID_DISK_S_ACTIVE)
608 break;
609 }
610 }
611 if (disk != NULL)
612 continue;
613
614 /* Try to get use some of SPARE disks. */
615 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
616 if (disk->d_state == G_RAID_DISK_S_SPARE) {
617 update += g_raid_md_jmicron_start_disk(disk);
618 if (disk->d_state == G_RAID_DISK_S_ACTIVE)
619 break;
620 }
621 }
622 } while (disk != NULL);
623
624 /* Write new metadata if we changed something. */
625 if (update)
626 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
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 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE;
665 if (meta->type == JMICRON_T_RAID0) {
666 vol->v_raid_level = G_RAID_VOLUME_RL_RAID0;
667 vol->v_mediasize = size * mdi->mdio_total_disks;
668 } else if (meta->type == JMICRON_T_RAID1) {
669 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
670 vol->v_mediasize = size;
671 } else if (meta->type == JMICRON_T_RAID01) {
672 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
673 vol->v_mediasize = size * mdi->mdio_total_disks / 2;
674 } else if (meta->type == JMICRON_T_CONCAT) {
675 if (mdi->mdio_total_disks == 1)
676 vol->v_raid_level = G_RAID_VOLUME_RL_SINGLE;
677 else
678 vol->v_raid_level = G_RAID_VOLUME_RL_CONCAT;
679 vol->v_mediasize = 0;
680 } else if (meta->type == JMICRON_T_RAID5) {
681 vol->v_raid_level = G_RAID_VOLUME_RL_RAID5;
682 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_R5LA;
683 vol->v_mediasize = size * (mdi->mdio_total_disks - 1);
684 } else {
685 vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN;
686 vol->v_mediasize = 0;
687 }
688 vol->v_strip_size = 1024 << meta->stripe_shift; //ZZZ
689 vol->v_disks_count = mdi->mdio_total_disks;
690 vol->v_sectorsize = 512; //ZZZ
691 for (j = 0; j < vol->v_disks_count; j++) {
692 sd = &vol->v_subdisks[j];
693 sd->sd_offset = (off_t)meta->offset * 16 * 512; //ZZZ
694 sd->sd_size = size;
695 }
696 g_raid_start_volume(vol);
697
698 /* Create disk placeholders to store data for later writing. */
699 for (disk_pos = 0; disk_pos < mdi->mdio_total_disks; disk_pos++) {
700 pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO);
701 pd->pd_disk_pos = disk_pos;
702 pd->pd_disk_id = meta->disks[disk_pos];
703 disk = g_raid_create_disk(sc);
704 disk->d_md_data = (void *)pd;
705 disk->d_state = G_RAID_DISK_S_OFFLINE;
706 sd = &vol->v_subdisks[disk_pos];
707 sd->sd_disk = disk;
708 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
709 }
710
711 /* Make all disks found till the moment take their places. */
712 do {
713 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
714 if (disk->d_state == G_RAID_DISK_S_NONE) {
715 g_raid_md_jmicron_start_disk(disk);
716 break;
717 }
718 }
719 } while (disk != NULL);
720
721 mdi->mdio_started = 1;
722 G_RAID_DEBUG1(0, sc, "Array started.");
723 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
724
725 /* Pickup any STALE/SPARE disks to refill array if needed. */
726 g_raid_md_jmicron_refill(sc);
727
728 g_raid_event_send(vol, G_RAID_VOLUME_E_START, G_RAID_EVENT_VOLUME);
729
730 callout_stop(&mdi->mdio_start_co);
731 G_RAID_DEBUG1(1, sc, "root_mount_rel %p", mdi->mdio_rootmount);
732 root_mount_rel(mdi->mdio_rootmount);
733 mdi->mdio_rootmount = NULL;
734}
735
736static void
737g_raid_md_jmicron_new_disk(struct g_raid_disk *disk)
738{
739 struct g_raid_softc *sc;
740 struct g_raid_md_object *md;
741 struct g_raid_md_jmicron_object *mdi;
742 struct jmicron_raid_conf *pdmeta;
743 struct g_raid_md_jmicron_perdisk *pd;
744
745 sc = disk->d_softc;
746 md = sc->sc_md;
747 mdi = (struct g_raid_md_jmicron_object *)md;
748 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
749 pdmeta = pd->pd_meta;
750
751 if (mdi->mdio_started) {
752 if (g_raid_md_jmicron_start_disk(disk))
753 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
754 } else {
755 /*
756 * If we haven't started yet - update common metadata
757 * to get subdisks details, avoiding data from spare disks.
758 */
759 if (mdi->mdio_meta == NULL ||
760 jmicron_meta_find_disk(mdi->mdio_meta,
761 mdi->mdio_meta->disk_id) == -3) {
762 if (mdi->mdio_meta != NULL)
763 free(mdi->mdio_meta, M_MD_JMICRON);
764 mdi->mdio_meta = jmicron_meta_copy(pdmeta);
765 mdi->mdio_total_disks = jmicron_meta_total_disks(pdmeta);
766 }
767 mdi->mdio_meta->flags |= pdmeta->flags & JMICRON_F_BADSEC;
768
769 mdi->mdio_disks_present++;
770 G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d+%d up)",
771 mdi->mdio_disks_present,
772 mdi->mdio_total_disks,
773 jmicron_meta_total_spare(mdi->mdio_meta));
774
775 /* If we collected all needed disks - start array. */
776 if (mdi->mdio_disks_present == mdi->mdio_total_disks +
777 jmicron_meta_total_spare(mdi->mdio_meta))
778 g_raid_md_jmicron_start(sc);
779 }
780}
781
782static void
783g_raid_jmicron_go(void *arg)
784{
785 struct g_raid_softc *sc;
786 struct g_raid_md_object *md;
787 struct g_raid_md_jmicron_object *mdi;
788
789 sc = arg;
790 md = sc->sc_md;
791 mdi = (struct g_raid_md_jmicron_object *)md;
792 if (!mdi->mdio_started) {
793 G_RAID_DEBUG1(0, sc, "Force array start due to timeout.");
794 g_raid_event_send(sc, G_RAID_NODE_E_START, 0);
795 }
796}
797
798static int
799g_raid_md_create_jmicron(struct g_raid_md_object *md, struct g_class *mp,
800 struct g_geom **gp)
801{
802 struct g_raid_softc *sc;
803 struct g_raid_md_jmicron_object *mdi;
804 char name[16];
805
806 mdi = (struct g_raid_md_jmicron_object *)md;
807 mdi->mdio_config_id = arc4random();
808 snprintf(name, sizeof(name), "JMicron-%08x", mdi->mdio_config_id);
809 sc = g_raid_create_node(mp, name, md);
810 if (sc == NULL)
811 return (G_RAID_MD_TASTE_FAIL);
812 md->mdo_softc = sc;
813 *gp = sc->sc_geom;
814 return (G_RAID_MD_TASTE_NEW);
815}
816
817static int
818g_raid_md_taste_jmicron(struct g_raid_md_object *md, struct g_class *mp,
819 struct g_consumer *cp, struct g_geom **gp)
820{
821 struct g_consumer *rcp;
822 struct g_provider *pp;
823 struct g_raid_md_jmicron_object *mdi, *mdi1;
824 struct g_raid_softc *sc;
825 struct g_raid_disk *disk;
826 struct jmicron_raid_conf *meta;
827 struct g_raid_md_jmicron_perdisk *pd;
828 struct g_geom *geom;
829 int disk_pos, result, spare, len;
830 char name[16];
831 uint16_t vendor;
832
833 G_RAID_DEBUG(1, "Tasting JMicron on %s", cp->provider->name);
834 mdi = (struct g_raid_md_jmicron_object *)md;
835 pp = cp->provider;
836
837 /* Read metadata from device. */
838 meta = NULL;
|
839 vendor = 0xffff;
| |
840 g_topology_unlock();
| 839 g_topology_unlock();
|
841 len = 2;
| 840 vendor = 0xffff;
841 len = sizeof(vendor);
|
842 if (pp->geom->rank == 1)
843 g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor);
844 meta = jmicron_meta_read(cp);
845 g_topology_lock();
846 if (meta == NULL) {
847 if (g_raid_aggressive_spare) {
848 if (vendor == 0x197b) {
849 G_RAID_DEBUG(1,
850 "No JMicron metadata, forcing spare.");
851 spare = 2;
852 goto search;
853 } else {
854 G_RAID_DEBUG(1,
855 "JMicron vendor mismatch 0x%04x != 0x197b",
856 vendor);
857 }
858 }
859 return (G_RAID_MD_TASTE_FAIL);
860 }
861
862 /* Check this disk position in obtained metadata. */
863 disk_pos = jmicron_meta_find_disk(meta, meta->disk_id);
864 if (disk_pos == -1) {
865 G_RAID_DEBUG(1, "JMicron disk_id %08x not found",
866 meta->disk_id);
867 goto fail1;
868 }
869
870 /* Metadata valid. Print it. */
871 g_raid_md_jmicron_print(meta);
872 G_RAID_DEBUG(1, "JMicron disk position %d", disk_pos);
873 spare = (disk_pos == -2) ? 1 : 0;
874
875search:
876 /* Search for matching node. */
877 sc = NULL;
878 mdi1 = NULL;
879 LIST_FOREACH(geom, &mp->geom, geom) {
880 sc = geom->softc;
881 if (sc == NULL)
882 continue;
883 if (sc->sc_stopping != 0)
884 continue;
885 if (sc->sc_md->mdo_class != md->mdo_class)
886 continue;
887 mdi1 = (struct g_raid_md_jmicron_object *)sc->sc_md;
888 if (spare == 2) {
889 if (mdi1->mdio_incomplete)
890 break;
891 } else {
892 if (mdi1->mdio_config_id ==
893 jmicron_meta_config_id(meta))
894 break;
895 }
896 }
897
898 /* Found matching node. */
899 if (geom != NULL) {
900 G_RAID_DEBUG(1, "Found matching array %s", sc->sc_name);
901 result = G_RAID_MD_TASTE_EXISTING;
902
903 } else if (spare) { /* Not found needy node -- left for later. */
904 G_RAID_DEBUG(1, "Spare is not needed at this time");
905 goto fail1;
906
907 } else { /* Not found matching node -- create one. */
908 result = G_RAID_MD_TASTE_NEW;
909 mdi->mdio_config_id = jmicron_meta_config_id(meta);
910 snprintf(name, sizeof(name), "JMicron-%08x",
911 mdi->mdio_config_id);
912 sc = g_raid_create_node(mp, name, md);
913 md->mdo_softc = sc;
914 geom = sc->sc_geom;
915 callout_init(&mdi->mdio_start_co, 1);
916 callout_reset(&mdi->mdio_start_co, g_raid_start_timeout * hz,
917 g_raid_jmicron_go, sc);
918 mdi->mdio_rootmount = root_mount_hold("GRAID-JMicron");
919 G_RAID_DEBUG1(1, sc, "root_mount_hold %p", mdi->mdio_rootmount);
920 }
921
922 /* There is no return after this point, so we close passed consumer. */
923 g_access(cp, -1, 0, 0);
924
925 rcp = g_new_consumer(geom);
926 rcp->flags |= G_CF_DIRECT_RECEIVE;
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 g_raid_get_disk_info(disk);
950
951 g_raid_md_jmicron_new_disk(disk);
952
953 sx_xunlock(&sc->sc_lock);
954 g_topology_lock();
955 *gp = geom;
956 return (result);
957fail1:
958 free(meta, M_MD_JMICRON);
959 return (G_RAID_MD_TASTE_FAIL);
960}
961
962static int
963g_raid_md_event_jmicron(struct g_raid_md_object *md,
964 struct g_raid_disk *disk, u_int event)
965{
966 struct g_raid_softc *sc;
967 struct g_raid_subdisk *sd;
968 struct g_raid_md_jmicron_object *mdi;
969 struct g_raid_md_jmicron_perdisk *pd;
970
971 sc = md->mdo_softc;
972 mdi = (struct g_raid_md_jmicron_object *)md;
973 if (disk == NULL) {
974 switch (event) {
975 case G_RAID_NODE_E_START:
976 if (!mdi->mdio_started)
977 g_raid_md_jmicron_start(sc);
978 return (0);
979 }
980 return (-1);
981 }
982 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
983 switch (event) {
984 case G_RAID_DISK_E_DISCONNECTED:
985 /* If disk was assigned, just update statuses. */
986 if (pd->pd_disk_pos >= 0) {
987 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
988 if (disk->d_consumer) {
989 g_raid_kill_consumer(sc, disk->d_consumer);
990 disk->d_consumer = NULL;
991 }
992 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
993 g_raid_change_subdisk_state(sd,
994 G_RAID_SUBDISK_S_NONE);
995 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
996 G_RAID_EVENT_SUBDISK);
997 }
998 } else {
999 /* Otherwise -- delete. */
1000 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
1001 g_raid_destroy_disk(disk);
1002 }
1003
1004 /* Write updated metadata to all disks. */
1005 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
1006
1007 /* Check if anything left except placeholders. */
1008 if (g_raid_ndisks(sc, -1) ==
1009 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1010 g_raid_destroy_node(sc, 0);
1011 else
1012 g_raid_md_jmicron_refill(sc);
1013 return (0);
1014 }
1015 return (-2);
1016}
1017
1018static int
1019g_raid_md_ctl_jmicron(struct g_raid_md_object *md,
1020 struct gctl_req *req)
1021{
1022 struct g_raid_softc *sc;
1023 struct g_raid_volume *vol;
1024 struct g_raid_subdisk *sd;
1025 struct g_raid_disk *disk;
1026 struct g_raid_md_jmicron_object *mdi;
1027 struct g_raid_md_jmicron_perdisk *pd;
1028 struct g_consumer *cp;
1029 struct g_provider *pp;
1030 char arg[16];
1031 const char *verb, *volname, *levelname, *diskname;
1032 int *nargs, *force;
1033 off_t size, sectorsize, strip;
1034 intmax_t *sizearg, *striparg;
1035 int numdisks, i, len, level, qual, update;
1036 int error;
1037
1038 sc = md->mdo_softc;
1039 mdi = (struct g_raid_md_jmicron_object *)md;
1040 verb = gctl_get_param(req, "verb", NULL);
1041 nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
1042 error = 0;
1043 if (strcmp(verb, "label") == 0) {
1044
1045 if (*nargs < 4) {
1046 gctl_error(req, "Invalid number of arguments.");
1047 return (-1);
1048 }
1049 volname = gctl_get_asciiparam(req, "arg1");
1050 if (volname == NULL) {
1051 gctl_error(req, "No volume name.");
1052 return (-2);
1053 }
1054 levelname = gctl_get_asciiparam(req, "arg2");
1055 if (levelname == NULL) {
1056 gctl_error(req, "No RAID level.");
1057 return (-3);
1058 }
1059 if (strcasecmp(levelname, "RAID5") == 0)
1060 levelname = "RAID5-LA";
1061 if (g_raid_volume_str2level(levelname, &level, &qual)) {
1062 gctl_error(req, "Unknown RAID level '%s'.", levelname);
1063 return (-4);
1064 }
1065 numdisks = *nargs - 3;
1066 force = gctl_get_paraml(req, "force", sizeof(*force));
1067 if (!g_raid_md_jmicron_supported(level, qual, numdisks,
1068 force ? *force : 0)) {
1069 gctl_error(req, "Unsupported RAID level "
1070 "(0x%02x/0x%02x), or number of disks (%d).",
1071 level, qual, numdisks);
1072 return (-5);
1073 }
1074
1075 /* Search for disks, connect them and probe. */
1076 size = 0x7fffffffffffffffllu;
1077 sectorsize = 0;
1078 for (i = 0; i < numdisks; i++) {
1079 snprintf(arg, sizeof(arg), "arg%d", i + 3);
1080 diskname = gctl_get_asciiparam(req, arg);
1081 if (diskname == NULL) {
1082 gctl_error(req, "No disk name (%s).", arg);
1083 error = -6;
1084 break;
1085 }
1086 if (strcmp(diskname, "NONE") == 0) {
1087 cp = NULL;
1088 pp = NULL;
1089 } else {
1090 g_topology_lock();
1091 cp = g_raid_open_consumer(sc, diskname);
1092 if (cp == NULL) {
1093 gctl_error(req, "Can't open '%s'.",
1094 diskname);
1095 g_topology_unlock();
1096 error = -7;
1097 break;
1098 }
1099 pp = cp->provider;
1100 }
1101 pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO);
1102 pd->pd_disk_pos = i;
1103 pd->pd_disk_id = arc4random() & JMICRON_DISK_MASK;
1104 disk = g_raid_create_disk(sc);
1105 disk->d_md_data = (void *)pd;
1106 disk->d_consumer = cp;
1107 if (cp == NULL)
1108 continue;
1109 cp->private = disk;
1110 g_topology_unlock();
1111
1112 g_raid_get_disk_info(disk);
1113
1114 pd->pd_disk_size = pp->mediasize;
1115 if (size > pp->mediasize)
1116 size = pp->mediasize;
1117 if (sectorsize < pp->sectorsize)
1118 sectorsize = pp->sectorsize;
1119 }
1120 if (error != 0)
1121 return (error);
1122
1123 if (sectorsize <= 0) {
1124 gctl_error(req, "Can't get sector size.");
1125 return (-8);
1126 }
1127
1128 /* Reserve space for metadata. */
1129 size -= sectorsize;
1130
1131 /* Handle size argument. */
1132 len = sizeof(*sizearg);
1133 sizearg = gctl_get_param(req, "size", &len);
1134 if (sizearg != NULL && len == sizeof(*sizearg) &&
1135 *sizearg > 0) {
1136 if (*sizearg > size) {
1137 gctl_error(req, "Size too big %lld > %lld.",
1138 (long long)*sizearg, (long long)size);
1139 return (-9);
1140 }
1141 size = *sizearg;
1142 }
1143
1144 /* Handle strip argument. */
1145 strip = 131072;
1146 len = sizeof(*striparg);
1147 striparg = gctl_get_param(req, "strip", &len);
1148 if (striparg != NULL && len == sizeof(*striparg) &&
1149 *striparg > 0) {
1150 if (*striparg < sectorsize) {
1151 gctl_error(req, "Strip size too small.");
1152 return (-10);
1153 }
1154 if (*striparg % sectorsize != 0) {
1155 gctl_error(req, "Incorrect strip size.");
1156 return (-11);
1157 }
1158 if (strip > 65535 * sectorsize) {
1159 gctl_error(req, "Strip size too big.");
1160 return (-12);
1161 }
1162 strip = *striparg;
1163 }
1164
1165 /* Round size down to strip or sector. */
1166 if (level == G_RAID_VOLUME_RL_RAID1)
1167 size -= (size % sectorsize);
1168 else if (level == G_RAID_VOLUME_RL_RAID1E &&
1169 (numdisks & 1) != 0)
1170 size -= (size % (2 * strip));
1171 else
1172 size -= (size % strip);
1173 if (size <= 0) {
1174 gctl_error(req, "Size too small.");
1175 return (-13);
1176 }
1177 if (size > 0xffffffffffffllu * sectorsize) {
1178 gctl_error(req, "Size too big.");
1179 return (-14);
1180 }
1181
1182 /* We have all we need, create things: volume, ... */
1183 mdi->mdio_total_disks = numdisks;
1184 mdi->mdio_started = 1;
1185 vol = g_raid_create_volume(sc, volname, -1);
1186 vol->v_md_data = (void *)(intptr_t)0;
1187 vol->v_raid_level = level;
1188 vol->v_raid_level_qualifier = qual;
1189 vol->v_strip_size = strip;
1190 vol->v_disks_count = numdisks;
1191 if (level == G_RAID_VOLUME_RL_RAID0 ||
1192 level == G_RAID_VOLUME_RL_CONCAT ||
1193 level == G_RAID_VOLUME_RL_SINGLE)
1194 vol->v_mediasize = size * numdisks;
1195 else if (level == G_RAID_VOLUME_RL_RAID1)
1196 vol->v_mediasize = size;
1197 else if (level == G_RAID_VOLUME_RL_RAID5)
1198 vol->v_mediasize = size * (numdisks - 1);
1199 else { /* RAID1E */
1200 vol->v_mediasize = ((size * numdisks) / strip / 2) *
1201 strip;
1202 }
1203 vol->v_sectorsize = sectorsize;
1204 g_raid_start_volume(vol);
1205
1206 /* , and subdisks. */
1207 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1208 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1209 sd = &vol->v_subdisks[pd->pd_disk_pos];
1210 sd->sd_disk = disk;
1211 sd->sd_offset = 0;
1212 sd->sd_size = size;
1213 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1214 if (sd->sd_disk->d_consumer != NULL) {
1215 g_raid_change_disk_state(disk,
1216 G_RAID_DISK_S_ACTIVE);
1217 g_raid_change_subdisk_state(sd,
1218 G_RAID_SUBDISK_S_ACTIVE);
1219 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
1220 G_RAID_EVENT_SUBDISK);
1221 } else {
1222 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1223 }
1224 }
1225
1226 /* Write metadata based on created entities. */
1227 G_RAID_DEBUG1(0, sc, "Array started.");
1228 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
1229
1230 /* Pickup any STALE/SPARE disks to refill array if needed. */
1231 g_raid_md_jmicron_refill(sc);
1232
1233 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1234 G_RAID_EVENT_VOLUME);
1235 return (0);
1236 }
1237 if (strcmp(verb, "delete") == 0) {
1238
1239 /* Check if some volume is still open. */
1240 force = gctl_get_paraml(req, "force", sizeof(*force));
1241 if (force != NULL && *force == 0 &&
1242 g_raid_nopens(sc) != 0) {
1243 gctl_error(req, "Some volume is still open.");
1244 return (-4);
1245 }
1246
1247 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1248 if (disk->d_consumer)
1249 jmicron_meta_erase(disk->d_consumer);
1250 }
1251 g_raid_destroy_node(sc, 0);
1252 return (0);
1253 }
1254 if (strcmp(verb, "remove") == 0 ||
1255 strcmp(verb, "fail") == 0) {
1256 if (*nargs < 2) {
1257 gctl_error(req, "Invalid number of arguments.");
1258 return (-1);
1259 }
1260 for (i = 1; i < *nargs; i++) {
1261 snprintf(arg, sizeof(arg), "arg%d", i);
1262 diskname = gctl_get_asciiparam(req, arg);
1263 if (diskname == NULL) {
1264 gctl_error(req, "No disk name (%s).", arg);
1265 error = -2;
1266 break;
1267 }
1268 if (strncmp(diskname, "/dev/", 5) == 0)
1269 diskname += 5;
1270
1271 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1272 if (disk->d_consumer != NULL &&
1273 disk->d_consumer->provider != NULL &&
1274 strcmp(disk->d_consumer->provider->name,
1275 diskname) == 0)
1276 break;
1277 }
1278 if (disk == NULL) {
1279 gctl_error(req, "Disk '%s' not found.",
1280 diskname);
1281 error = -3;
1282 break;
1283 }
1284
1285 if (strcmp(verb, "fail") == 0) {
1286 g_raid_md_fail_disk_jmicron(md, NULL, disk);
1287 continue;
1288 }
1289
1290 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1291
1292 /* Erase metadata on deleting disk. */
1293 jmicron_meta_erase(disk->d_consumer);
1294
1295 /* If disk was assigned, just update statuses. */
1296 if (pd->pd_disk_pos >= 0) {
1297 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1298 g_raid_kill_consumer(sc, disk->d_consumer);
1299 disk->d_consumer = NULL;
1300 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
1301 g_raid_change_subdisk_state(sd,
1302 G_RAID_SUBDISK_S_NONE);
1303 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
1304 G_RAID_EVENT_SUBDISK);
1305 }
1306 } else {
1307 /* Otherwise -- delete. */
1308 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
1309 g_raid_destroy_disk(disk);
1310 }
1311 }
1312
1313 /* Write updated metadata to remaining disks. */
1314 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
1315
1316 /* Check if anything left except placeholders. */
1317 if (g_raid_ndisks(sc, -1) ==
1318 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1319 g_raid_destroy_node(sc, 0);
1320 else
1321 g_raid_md_jmicron_refill(sc);
1322 return (error);
1323 }
1324 if (strcmp(verb, "insert") == 0) {
1325 if (*nargs < 2) {
1326 gctl_error(req, "Invalid number of arguments.");
1327 return (-1);
1328 }
1329 update = 0;
1330 for (i = 1; i < *nargs; i++) {
1331 /* Get disk name. */
1332 snprintf(arg, sizeof(arg), "arg%d", i);
1333 diskname = gctl_get_asciiparam(req, arg);
1334 if (diskname == NULL) {
1335 gctl_error(req, "No disk name (%s).", arg);
1336 error = -3;
1337 break;
1338 }
1339
1340 /* Try to find provider with specified name. */
1341 g_topology_lock();
1342 cp = g_raid_open_consumer(sc, diskname);
1343 if (cp == NULL) {
1344 gctl_error(req, "Can't open disk '%s'.",
1345 diskname);
1346 g_topology_unlock();
1347 error = -4;
1348 break;
1349 }
1350 pp = cp->provider;
1351
1352 pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO);
1353 pd->pd_disk_pos = -3;
1354 pd->pd_disk_id = arc4random() & JMICRON_DISK_MASK;
1355 pd->pd_disk_size = pp->mediasize;
1356
1357 disk = g_raid_create_disk(sc);
1358 disk->d_consumer = cp;
1359 disk->d_md_data = (void *)pd;
1360 cp->private = disk;
1361 g_topology_unlock();
1362
1363 g_raid_get_disk_info(disk);
1364
1365 /* Welcome the "new" disk. */
1366 update += g_raid_md_jmicron_start_disk(disk);
1367 if (disk->d_state != G_RAID_DISK_S_ACTIVE &&
1368 disk->d_state != G_RAID_DISK_S_SPARE) {
1369 gctl_error(req, "Disk '%s' doesn't fit.",
1370 diskname);
1371 g_raid_destroy_disk(disk);
1372 error = -8;
1373 break;
1374 }
1375 }
1376
1377 /* Write new metadata if we changed something. */
1378 if (update)
1379 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
1380 return (error);
1381 }
1382 gctl_error(req, "Command '%s' is not supported.", verb);
1383 return (-100);
1384}
1385
1386static int
1387g_raid_md_write_jmicron(struct g_raid_md_object *md, struct g_raid_volume *tvol,
1388 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
1389{
1390 struct g_raid_softc *sc;
1391 struct g_raid_volume *vol;
1392 struct g_raid_subdisk *sd;
1393 struct g_raid_disk *disk;
1394 struct g_raid_md_jmicron_object *mdi;
1395 struct g_raid_md_jmicron_perdisk *pd;
1396 struct jmicron_raid_conf *meta;
1397 int i, spares;
1398
1399 sc = md->mdo_softc;
1400 mdi = (struct g_raid_md_jmicron_object *)md;
1401
1402 if (sc->sc_stopping == G_RAID_DESTROY_HARD)
1403 return (0);
1404
1405 /* There is only one volume. */
1406 vol = TAILQ_FIRST(&sc->sc_volumes);
1407
1408 /* Fill global fields. */
1409 meta = malloc(sizeof(*meta), M_MD_JMICRON, M_WAITOK | M_ZERO);
1410 strncpy(meta->signature, JMICRON_MAGIC, 2);
1411 meta->version = JMICRON_VERSION;
1412 jmicron_meta_put_name(meta, vol->v_name);
1413 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
1414 meta->type = JMICRON_T_RAID0;
1415 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
1416 meta->type = JMICRON_T_RAID1;
1417 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
1418 meta->type = JMICRON_T_RAID01;
1419 else if (vol->v_raid_level == G_RAID_VOLUME_RL_CONCAT ||
1420 vol->v_raid_level == G_RAID_VOLUME_RL_SINGLE)
1421 meta->type = JMICRON_T_CONCAT;
1422 else
1423 meta->type = JMICRON_T_RAID5;
1424 meta->stripe_shift = fls(vol->v_strip_size / 2048);
1425 meta->flags = JMICRON_F_READY | JMICRON_F_BOOTABLE;
1426 for (i = 0; i < vol->v_disks_count; i++) {
1427 sd = &vol->v_subdisks[i];
1428 if (sd->sd_disk == NULL || sd->sd_disk->d_md_data == NULL)
1429 meta->disks[i] = 0xffffffff;
1430 else {
1431 pd = (struct g_raid_md_jmicron_perdisk *)
1432 sd->sd_disk->d_md_data;
1433 meta->disks[i] = pd->pd_disk_id;
1434 }
1435 if (sd->sd_state < G_RAID_SUBDISK_S_STALE)
1436 meta->flags |= JMICRON_F_BADSEC;
1437 if (vol->v_dirty)
1438 meta->flags |= JMICRON_F_UNSYNC;
1439 }
1440
1441 /* Put spares to their slots. */
1442 spares = 0;
1443 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1444 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1445 if (disk->d_state != G_RAID_DISK_S_SPARE)
1446 continue;
1447 meta->spare[spares] = pd->pd_disk_id;
1448 if (++spares >= 2)
1449 break;
1450 }
1451
1452 /* We are done. Print meta data and store them to disks. */
1453 if (mdi->mdio_meta != NULL)
1454 free(mdi->mdio_meta, M_MD_JMICRON);
1455 mdi->mdio_meta = meta;
1456 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1457 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1458 if (disk->d_state != G_RAID_DISK_S_ACTIVE &&
1459 disk->d_state != G_RAID_DISK_S_SPARE)
1460 continue;
1461 if (pd->pd_meta != NULL) {
1462 free(pd->pd_meta, M_MD_JMICRON);
1463 pd->pd_meta = NULL;
1464 }
1465 pd->pd_meta = jmicron_meta_copy(meta);
1466 pd->pd_meta->disk_id = pd->pd_disk_id;
1467 if ((sd = TAILQ_FIRST(&disk->d_subdisks)) != NULL) {
1468 pd->pd_meta->offset =
1469 (sd->sd_offset / 512) / 16;
1470 pd->pd_meta->disk_sectors_high =
1471 (sd->sd_size / 512) >> 16;
1472 pd->pd_meta->disk_sectors_low =
1473 (sd->sd_size / 512) & 0xffff;
1474 if (sd->sd_state < G_RAID_SUBDISK_S_STALE)
1475 pd->pd_meta->flags &= ~JMICRON_F_BADSEC;
1476 else if (sd->sd_state < G_RAID_SUBDISK_S_ACTIVE)
1477 pd->pd_meta->flags |= JMICRON_F_UNSYNC;
1478 }
1479 G_RAID_DEBUG(1, "Writing JMicron metadata to %s",
1480 g_raid_get_diskname(disk));
1481 g_raid_md_jmicron_print(pd->pd_meta);
1482 jmicron_meta_write(disk->d_consumer, pd->pd_meta);
1483 }
1484 return (0);
1485}
1486
1487static int
1488g_raid_md_fail_disk_jmicron(struct g_raid_md_object *md,
1489 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
1490{
1491 struct g_raid_softc *sc;
1492 struct g_raid_md_jmicron_perdisk *pd;
1493 struct g_raid_subdisk *sd;
1494
1495 sc = md->mdo_softc;
1496 pd = (struct g_raid_md_jmicron_perdisk *)tdisk->d_md_data;
1497
1498 /* We can't fail disk that is not a part of array now. */
1499 if (pd->pd_disk_pos < 0)
1500 return (-1);
1501
1502 if (tdisk->d_consumer)
1503 jmicron_meta_erase(tdisk->d_consumer);
1504
1505 /* Change states. */
1506 g_raid_change_disk_state(tdisk, G_RAID_DISK_S_FAILED);
1507 TAILQ_FOREACH(sd, &tdisk->d_subdisks, sd_next) {
1508 g_raid_change_subdisk_state(sd,
1509 G_RAID_SUBDISK_S_FAILED);
1510 g_raid_event_send(sd, G_RAID_SUBDISK_E_FAILED,
1511 G_RAID_EVENT_SUBDISK);
1512 }
1513
1514 /* Write updated metadata to remaining disks. */
1515 g_raid_md_write_jmicron(md, NULL, NULL, tdisk);
1516
1517 /* Check if anything left except placeholders. */
1518 if (g_raid_ndisks(sc, -1) ==
1519 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1520 g_raid_destroy_node(sc, 0);
1521 else
1522 g_raid_md_jmicron_refill(sc);
1523 return (0);
1524}
1525
1526static int
1527g_raid_md_free_disk_jmicron(struct g_raid_md_object *md,
1528 struct g_raid_disk *disk)
1529{
1530 struct g_raid_md_jmicron_perdisk *pd;
1531
1532 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1533 if (pd->pd_meta != NULL) {
1534 free(pd->pd_meta, M_MD_JMICRON);
1535 pd->pd_meta = NULL;
1536 }
1537 free(pd, M_MD_JMICRON);
1538 disk->d_md_data = NULL;
1539 return (0);
1540}
1541
1542static int
1543g_raid_md_free_jmicron(struct g_raid_md_object *md)
1544{
1545 struct g_raid_md_jmicron_object *mdi;
1546
1547 mdi = (struct g_raid_md_jmicron_object *)md;
1548 if (!mdi->mdio_started) {
1549 mdi->mdio_started = 0;
1550 callout_stop(&mdi->mdio_start_co);
1551 G_RAID_DEBUG1(1, md->mdo_softc,
1552 "root_mount_rel %p", mdi->mdio_rootmount);
1553 root_mount_rel(mdi->mdio_rootmount);
1554 mdi->mdio_rootmount = NULL;
1555 }
1556 if (mdi->mdio_meta != NULL) {
1557 free(mdi->mdio_meta, M_MD_JMICRON);
1558 mdi->mdio_meta = NULL;
1559 }
1560 return (0);
1561}
1562
1563G_RAID_MD_DECLARE(jmicron, "JMicron");
| 842 if (pp->geom->rank == 1)
843 g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor);
844 meta = jmicron_meta_read(cp);
845 g_topology_lock();
846 if (meta == NULL) {
847 if (g_raid_aggressive_spare) {
848 if (vendor == 0x197b) {
849 G_RAID_DEBUG(1,
850 "No JMicron metadata, forcing spare.");
851 spare = 2;
852 goto search;
853 } else {
854 G_RAID_DEBUG(1,
855 "JMicron vendor mismatch 0x%04x != 0x197b",
856 vendor);
857 }
858 }
859 return (G_RAID_MD_TASTE_FAIL);
860 }
861
862 /* Check this disk position in obtained metadata. */
863 disk_pos = jmicron_meta_find_disk(meta, meta->disk_id);
864 if (disk_pos == -1) {
865 G_RAID_DEBUG(1, "JMicron disk_id %08x not found",
866 meta->disk_id);
867 goto fail1;
868 }
869
870 /* Metadata valid. Print it. */
871 g_raid_md_jmicron_print(meta);
872 G_RAID_DEBUG(1, "JMicron disk position %d", disk_pos);
873 spare = (disk_pos == -2) ? 1 : 0;
874
875search:
876 /* Search for matching node. */
877 sc = NULL;
878 mdi1 = NULL;
879 LIST_FOREACH(geom, &mp->geom, geom) {
880 sc = geom->softc;
881 if (sc == NULL)
882 continue;
883 if (sc->sc_stopping != 0)
884 continue;
885 if (sc->sc_md->mdo_class != md->mdo_class)
886 continue;
887 mdi1 = (struct g_raid_md_jmicron_object *)sc->sc_md;
888 if (spare == 2) {
889 if (mdi1->mdio_incomplete)
890 break;
891 } else {
892 if (mdi1->mdio_config_id ==
893 jmicron_meta_config_id(meta))
894 break;
895 }
896 }
897
898 /* Found matching node. */
899 if (geom != NULL) {
900 G_RAID_DEBUG(1, "Found matching array %s", sc->sc_name);
901 result = G_RAID_MD_TASTE_EXISTING;
902
903 } else if (spare) { /* Not found needy node -- left for later. */
904 G_RAID_DEBUG(1, "Spare is not needed at this time");
905 goto fail1;
906
907 } else { /* Not found matching node -- create one. */
908 result = G_RAID_MD_TASTE_NEW;
909 mdi->mdio_config_id = jmicron_meta_config_id(meta);
910 snprintf(name, sizeof(name), "JMicron-%08x",
911 mdi->mdio_config_id);
912 sc = g_raid_create_node(mp, name, md);
913 md->mdo_softc = sc;
914 geom = sc->sc_geom;
915 callout_init(&mdi->mdio_start_co, 1);
916 callout_reset(&mdi->mdio_start_co, g_raid_start_timeout * hz,
917 g_raid_jmicron_go, sc);
918 mdi->mdio_rootmount = root_mount_hold("GRAID-JMicron");
919 G_RAID_DEBUG1(1, sc, "root_mount_hold %p", mdi->mdio_rootmount);
920 }
921
922 /* There is no return after this point, so we close passed consumer. */
923 g_access(cp, -1, 0, 0);
924
925 rcp = g_new_consumer(geom);
926 rcp->flags |= G_CF_DIRECT_RECEIVE;
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 g_raid_get_disk_info(disk);
950
951 g_raid_md_jmicron_new_disk(disk);
952
953 sx_xunlock(&sc->sc_lock);
954 g_topology_lock();
955 *gp = geom;
956 return (result);
957fail1:
958 free(meta, M_MD_JMICRON);
959 return (G_RAID_MD_TASTE_FAIL);
960}
961
962static int
963g_raid_md_event_jmicron(struct g_raid_md_object *md,
964 struct g_raid_disk *disk, u_int event)
965{
966 struct g_raid_softc *sc;
967 struct g_raid_subdisk *sd;
968 struct g_raid_md_jmicron_object *mdi;
969 struct g_raid_md_jmicron_perdisk *pd;
970
971 sc = md->mdo_softc;
972 mdi = (struct g_raid_md_jmicron_object *)md;
973 if (disk == NULL) {
974 switch (event) {
975 case G_RAID_NODE_E_START:
976 if (!mdi->mdio_started)
977 g_raid_md_jmicron_start(sc);
978 return (0);
979 }
980 return (-1);
981 }
982 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
983 switch (event) {
984 case G_RAID_DISK_E_DISCONNECTED:
985 /* If disk was assigned, just update statuses. */
986 if (pd->pd_disk_pos >= 0) {
987 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
988 if (disk->d_consumer) {
989 g_raid_kill_consumer(sc, disk->d_consumer);
990 disk->d_consumer = NULL;
991 }
992 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
993 g_raid_change_subdisk_state(sd,
994 G_RAID_SUBDISK_S_NONE);
995 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
996 G_RAID_EVENT_SUBDISK);
997 }
998 } else {
999 /* Otherwise -- delete. */
1000 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
1001 g_raid_destroy_disk(disk);
1002 }
1003
1004 /* Write updated metadata to all disks. */
1005 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
1006
1007 /* Check if anything left except placeholders. */
1008 if (g_raid_ndisks(sc, -1) ==
1009 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1010 g_raid_destroy_node(sc, 0);
1011 else
1012 g_raid_md_jmicron_refill(sc);
1013 return (0);
1014 }
1015 return (-2);
1016}
1017
1018static int
1019g_raid_md_ctl_jmicron(struct g_raid_md_object *md,
1020 struct gctl_req *req)
1021{
1022 struct g_raid_softc *sc;
1023 struct g_raid_volume *vol;
1024 struct g_raid_subdisk *sd;
1025 struct g_raid_disk *disk;
1026 struct g_raid_md_jmicron_object *mdi;
1027 struct g_raid_md_jmicron_perdisk *pd;
1028 struct g_consumer *cp;
1029 struct g_provider *pp;
1030 char arg[16];
1031 const char *verb, *volname, *levelname, *diskname;
1032 int *nargs, *force;
1033 off_t size, sectorsize, strip;
1034 intmax_t *sizearg, *striparg;
1035 int numdisks, i, len, level, qual, update;
1036 int error;
1037
1038 sc = md->mdo_softc;
1039 mdi = (struct g_raid_md_jmicron_object *)md;
1040 verb = gctl_get_param(req, "verb", NULL);
1041 nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
1042 error = 0;
1043 if (strcmp(verb, "label") == 0) {
1044
1045 if (*nargs < 4) {
1046 gctl_error(req, "Invalid number of arguments.");
1047 return (-1);
1048 }
1049 volname = gctl_get_asciiparam(req, "arg1");
1050 if (volname == NULL) {
1051 gctl_error(req, "No volume name.");
1052 return (-2);
1053 }
1054 levelname = gctl_get_asciiparam(req, "arg2");
1055 if (levelname == NULL) {
1056 gctl_error(req, "No RAID level.");
1057 return (-3);
1058 }
1059 if (strcasecmp(levelname, "RAID5") == 0)
1060 levelname = "RAID5-LA";
1061 if (g_raid_volume_str2level(levelname, &level, &qual)) {
1062 gctl_error(req, "Unknown RAID level '%s'.", levelname);
1063 return (-4);
1064 }
1065 numdisks = *nargs - 3;
1066 force = gctl_get_paraml(req, "force", sizeof(*force));
1067 if (!g_raid_md_jmicron_supported(level, qual, numdisks,
1068 force ? *force : 0)) {
1069 gctl_error(req, "Unsupported RAID level "
1070 "(0x%02x/0x%02x), or number of disks (%d).",
1071 level, qual, numdisks);
1072 return (-5);
1073 }
1074
1075 /* Search for disks, connect them and probe. */
1076 size = 0x7fffffffffffffffllu;
1077 sectorsize = 0;
1078 for (i = 0; i < numdisks; i++) {
1079 snprintf(arg, sizeof(arg), "arg%d", i + 3);
1080 diskname = gctl_get_asciiparam(req, arg);
1081 if (diskname == NULL) {
1082 gctl_error(req, "No disk name (%s).", arg);
1083 error = -6;
1084 break;
1085 }
1086 if (strcmp(diskname, "NONE") == 0) {
1087 cp = NULL;
1088 pp = NULL;
1089 } else {
1090 g_topology_lock();
1091 cp = g_raid_open_consumer(sc, diskname);
1092 if (cp == NULL) {
1093 gctl_error(req, "Can't open '%s'.",
1094 diskname);
1095 g_topology_unlock();
1096 error = -7;
1097 break;
1098 }
1099 pp = cp->provider;
1100 }
1101 pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO);
1102 pd->pd_disk_pos = i;
1103 pd->pd_disk_id = arc4random() & JMICRON_DISK_MASK;
1104 disk = g_raid_create_disk(sc);
1105 disk->d_md_data = (void *)pd;
1106 disk->d_consumer = cp;
1107 if (cp == NULL)
1108 continue;
1109 cp->private = disk;
1110 g_topology_unlock();
1111
1112 g_raid_get_disk_info(disk);
1113
1114 pd->pd_disk_size = pp->mediasize;
1115 if (size > pp->mediasize)
1116 size = pp->mediasize;
1117 if (sectorsize < pp->sectorsize)
1118 sectorsize = pp->sectorsize;
1119 }
1120 if (error != 0)
1121 return (error);
1122
1123 if (sectorsize <= 0) {
1124 gctl_error(req, "Can't get sector size.");
1125 return (-8);
1126 }
1127
1128 /* Reserve space for metadata. */
1129 size -= sectorsize;
1130
1131 /* Handle size argument. */
1132 len = sizeof(*sizearg);
1133 sizearg = gctl_get_param(req, "size", &len);
1134 if (sizearg != NULL && len == sizeof(*sizearg) &&
1135 *sizearg > 0) {
1136 if (*sizearg > size) {
1137 gctl_error(req, "Size too big %lld > %lld.",
1138 (long long)*sizearg, (long long)size);
1139 return (-9);
1140 }
1141 size = *sizearg;
1142 }
1143
1144 /* Handle strip argument. */
1145 strip = 131072;
1146 len = sizeof(*striparg);
1147 striparg = gctl_get_param(req, "strip", &len);
1148 if (striparg != NULL && len == sizeof(*striparg) &&
1149 *striparg > 0) {
1150 if (*striparg < sectorsize) {
1151 gctl_error(req, "Strip size too small.");
1152 return (-10);
1153 }
1154 if (*striparg % sectorsize != 0) {
1155 gctl_error(req, "Incorrect strip size.");
1156 return (-11);
1157 }
1158 if (strip > 65535 * sectorsize) {
1159 gctl_error(req, "Strip size too big.");
1160 return (-12);
1161 }
1162 strip = *striparg;
1163 }
1164
1165 /* Round size down to strip or sector. */
1166 if (level == G_RAID_VOLUME_RL_RAID1)
1167 size -= (size % sectorsize);
1168 else if (level == G_RAID_VOLUME_RL_RAID1E &&
1169 (numdisks & 1) != 0)
1170 size -= (size % (2 * strip));
1171 else
1172 size -= (size % strip);
1173 if (size <= 0) {
1174 gctl_error(req, "Size too small.");
1175 return (-13);
1176 }
1177 if (size > 0xffffffffffffllu * sectorsize) {
1178 gctl_error(req, "Size too big.");
1179 return (-14);
1180 }
1181
1182 /* We have all we need, create things: volume, ... */
1183 mdi->mdio_total_disks = numdisks;
1184 mdi->mdio_started = 1;
1185 vol = g_raid_create_volume(sc, volname, -1);
1186 vol->v_md_data = (void *)(intptr_t)0;
1187 vol->v_raid_level = level;
1188 vol->v_raid_level_qualifier = qual;
1189 vol->v_strip_size = strip;
1190 vol->v_disks_count = numdisks;
1191 if (level == G_RAID_VOLUME_RL_RAID0 ||
1192 level == G_RAID_VOLUME_RL_CONCAT ||
1193 level == G_RAID_VOLUME_RL_SINGLE)
1194 vol->v_mediasize = size * numdisks;
1195 else if (level == G_RAID_VOLUME_RL_RAID1)
1196 vol->v_mediasize = size;
1197 else if (level == G_RAID_VOLUME_RL_RAID5)
1198 vol->v_mediasize = size * (numdisks - 1);
1199 else { /* RAID1E */
1200 vol->v_mediasize = ((size * numdisks) / strip / 2) *
1201 strip;
1202 }
1203 vol->v_sectorsize = sectorsize;
1204 g_raid_start_volume(vol);
1205
1206 /* , and subdisks. */
1207 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1208 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1209 sd = &vol->v_subdisks[pd->pd_disk_pos];
1210 sd->sd_disk = disk;
1211 sd->sd_offset = 0;
1212 sd->sd_size = size;
1213 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1214 if (sd->sd_disk->d_consumer != NULL) {
1215 g_raid_change_disk_state(disk,
1216 G_RAID_DISK_S_ACTIVE);
1217 g_raid_change_subdisk_state(sd,
1218 G_RAID_SUBDISK_S_ACTIVE);
1219 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
1220 G_RAID_EVENT_SUBDISK);
1221 } else {
1222 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1223 }
1224 }
1225
1226 /* Write metadata based on created entities. */
1227 G_RAID_DEBUG1(0, sc, "Array started.");
1228 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
1229
1230 /* Pickup any STALE/SPARE disks to refill array if needed. */
1231 g_raid_md_jmicron_refill(sc);
1232
1233 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1234 G_RAID_EVENT_VOLUME);
1235 return (0);
1236 }
1237 if (strcmp(verb, "delete") == 0) {
1238
1239 /* Check if some volume is still open. */
1240 force = gctl_get_paraml(req, "force", sizeof(*force));
1241 if (force != NULL && *force == 0 &&
1242 g_raid_nopens(sc) != 0) {
1243 gctl_error(req, "Some volume is still open.");
1244 return (-4);
1245 }
1246
1247 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1248 if (disk->d_consumer)
1249 jmicron_meta_erase(disk->d_consumer);
1250 }
1251 g_raid_destroy_node(sc, 0);
1252 return (0);
1253 }
1254 if (strcmp(verb, "remove") == 0 ||
1255 strcmp(verb, "fail") == 0) {
1256 if (*nargs < 2) {
1257 gctl_error(req, "Invalid number of arguments.");
1258 return (-1);
1259 }
1260 for (i = 1; i < *nargs; i++) {
1261 snprintf(arg, sizeof(arg), "arg%d", i);
1262 diskname = gctl_get_asciiparam(req, arg);
1263 if (diskname == NULL) {
1264 gctl_error(req, "No disk name (%s).", arg);
1265 error = -2;
1266 break;
1267 }
1268 if (strncmp(diskname, "/dev/", 5) == 0)
1269 diskname += 5;
1270
1271 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1272 if (disk->d_consumer != NULL &&
1273 disk->d_consumer->provider != NULL &&
1274 strcmp(disk->d_consumer->provider->name,
1275 diskname) == 0)
1276 break;
1277 }
1278 if (disk == NULL) {
1279 gctl_error(req, "Disk '%s' not found.",
1280 diskname);
1281 error = -3;
1282 break;
1283 }
1284
1285 if (strcmp(verb, "fail") == 0) {
1286 g_raid_md_fail_disk_jmicron(md, NULL, disk);
1287 continue;
1288 }
1289
1290 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1291
1292 /* Erase metadata on deleting disk. */
1293 jmicron_meta_erase(disk->d_consumer);
1294
1295 /* If disk was assigned, just update statuses. */
1296 if (pd->pd_disk_pos >= 0) {
1297 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1298 g_raid_kill_consumer(sc, disk->d_consumer);
1299 disk->d_consumer = NULL;
1300 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
1301 g_raid_change_subdisk_state(sd,
1302 G_RAID_SUBDISK_S_NONE);
1303 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
1304 G_RAID_EVENT_SUBDISK);
1305 }
1306 } else {
1307 /* Otherwise -- delete. */
1308 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
1309 g_raid_destroy_disk(disk);
1310 }
1311 }
1312
1313 /* Write updated metadata to remaining disks. */
1314 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
1315
1316 /* Check if anything left except placeholders. */
1317 if (g_raid_ndisks(sc, -1) ==
1318 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1319 g_raid_destroy_node(sc, 0);
1320 else
1321 g_raid_md_jmicron_refill(sc);
1322 return (error);
1323 }
1324 if (strcmp(verb, "insert") == 0) {
1325 if (*nargs < 2) {
1326 gctl_error(req, "Invalid number of arguments.");
1327 return (-1);
1328 }
1329 update = 0;
1330 for (i = 1; i < *nargs; i++) {
1331 /* Get disk name. */
1332 snprintf(arg, sizeof(arg), "arg%d", i);
1333 diskname = gctl_get_asciiparam(req, arg);
1334 if (diskname == NULL) {
1335 gctl_error(req, "No disk name (%s).", arg);
1336 error = -3;
1337 break;
1338 }
1339
1340 /* Try to find provider with specified name. */
1341 g_topology_lock();
1342 cp = g_raid_open_consumer(sc, diskname);
1343 if (cp == NULL) {
1344 gctl_error(req, "Can't open disk '%s'.",
1345 diskname);
1346 g_topology_unlock();
1347 error = -4;
1348 break;
1349 }
1350 pp = cp->provider;
1351
1352 pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO);
1353 pd->pd_disk_pos = -3;
1354 pd->pd_disk_id = arc4random() & JMICRON_DISK_MASK;
1355 pd->pd_disk_size = pp->mediasize;
1356
1357 disk = g_raid_create_disk(sc);
1358 disk->d_consumer = cp;
1359 disk->d_md_data = (void *)pd;
1360 cp->private = disk;
1361 g_topology_unlock();
1362
1363 g_raid_get_disk_info(disk);
1364
1365 /* Welcome the "new" disk. */
1366 update += g_raid_md_jmicron_start_disk(disk);
1367 if (disk->d_state != G_RAID_DISK_S_ACTIVE &&
1368 disk->d_state != G_RAID_DISK_S_SPARE) {
1369 gctl_error(req, "Disk '%s' doesn't fit.",
1370 diskname);
1371 g_raid_destroy_disk(disk);
1372 error = -8;
1373 break;
1374 }
1375 }
1376
1377 /* Write new metadata if we changed something. */
1378 if (update)
1379 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
1380 return (error);
1381 }
1382 gctl_error(req, "Command '%s' is not supported.", verb);
1383 return (-100);
1384}
1385
1386static int
1387g_raid_md_write_jmicron(struct g_raid_md_object *md, struct g_raid_volume *tvol,
1388 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
1389{
1390 struct g_raid_softc *sc;
1391 struct g_raid_volume *vol;
1392 struct g_raid_subdisk *sd;
1393 struct g_raid_disk *disk;
1394 struct g_raid_md_jmicron_object *mdi;
1395 struct g_raid_md_jmicron_perdisk *pd;
1396 struct jmicron_raid_conf *meta;
1397 int i, spares;
1398
1399 sc = md->mdo_softc;
1400 mdi = (struct g_raid_md_jmicron_object *)md;
1401
1402 if (sc->sc_stopping == G_RAID_DESTROY_HARD)
1403 return (0);
1404
1405 /* There is only one volume. */
1406 vol = TAILQ_FIRST(&sc->sc_volumes);
1407
1408 /* Fill global fields. */
1409 meta = malloc(sizeof(*meta), M_MD_JMICRON, M_WAITOK | M_ZERO);
1410 strncpy(meta->signature, JMICRON_MAGIC, 2);
1411 meta->version = JMICRON_VERSION;
1412 jmicron_meta_put_name(meta, vol->v_name);
1413 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
1414 meta->type = JMICRON_T_RAID0;
1415 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
1416 meta->type = JMICRON_T_RAID1;
1417 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
1418 meta->type = JMICRON_T_RAID01;
1419 else if (vol->v_raid_level == G_RAID_VOLUME_RL_CONCAT ||
1420 vol->v_raid_level == G_RAID_VOLUME_RL_SINGLE)
1421 meta->type = JMICRON_T_CONCAT;
1422 else
1423 meta->type = JMICRON_T_RAID5;
1424 meta->stripe_shift = fls(vol->v_strip_size / 2048);
1425 meta->flags = JMICRON_F_READY | JMICRON_F_BOOTABLE;
1426 for (i = 0; i < vol->v_disks_count; i++) {
1427 sd = &vol->v_subdisks[i];
1428 if (sd->sd_disk == NULL || sd->sd_disk->d_md_data == NULL)
1429 meta->disks[i] = 0xffffffff;
1430 else {
1431 pd = (struct g_raid_md_jmicron_perdisk *)
1432 sd->sd_disk->d_md_data;
1433 meta->disks[i] = pd->pd_disk_id;
1434 }
1435 if (sd->sd_state < G_RAID_SUBDISK_S_STALE)
1436 meta->flags |= JMICRON_F_BADSEC;
1437 if (vol->v_dirty)
1438 meta->flags |= JMICRON_F_UNSYNC;
1439 }
1440
1441 /* Put spares to their slots. */
1442 spares = 0;
1443 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1444 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1445 if (disk->d_state != G_RAID_DISK_S_SPARE)
1446 continue;
1447 meta->spare[spares] = pd->pd_disk_id;
1448 if (++spares >= 2)
1449 break;
1450 }
1451
1452 /* We are done. Print meta data and store them to disks. */
1453 if (mdi->mdio_meta != NULL)
1454 free(mdi->mdio_meta, M_MD_JMICRON);
1455 mdi->mdio_meta = meta;
1456 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1457 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1458 if (disk->d_state != G_RAID_DISK_S_ACTIVE &&
1459 disk->d_state != G_RAID_DISK_S_SPARE)
1460 continue;
1461 if (pd->pd_meta != NULL) {
1462 free(pd->pd_meta, M_MD_JMICRON);
1463 pd->pd_meta = NULL;
1464 }
1465 pd->pd_meta = jmicron_meta_copy(meta);
1466 pd->pd_meta->disk_id = pd->pd_disk_id;
1467 if ((sd = TAILQ_FIRST(&disk->d_subdisks)) != NULL) {
1468 pd->pd_meta->offset =
1469 (sd->sd_offset / 512) / 16;
1470 pd->pd_meta->disk_sectors_high =
1471 (sd->sd_size / 512) >> 16;
1472 pd->pd_meta->disk_sectors_low =
1473 (sd->sd_size / 512) & 0xffff;
1474 if (sd->sd_state < G_RAID_SUBDISK_S_STALE)
1475 pd->pd_meta->flags &= ~JMICRON_F_BADSEC;
1476 else if (sd->sd_state < G_RAID_SUBDISK_S_ACTIVE)
1477 pd->pd_meta->flags |= JMICRON_F_UNSYNC;
1478 }
1479 G_RAID_DEBUG(1, "Writing JMicron metadata to %s",
1480 g_raid_get_diskname(disk));
1481 g_raid_md_jmicron_print(pd->pd_meta);
1482 jmicron_meta_write(disk->d_consumer, pd->pd_meta);
1483 }
1484 return (0);
1485}
1486
1487static int
1488g_raid_md_fail_disk_jmicron(struct g_raid_md_object *md,
1489 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
1490{
1491 struct g_raid_softc *sc;
1492 struct g_raid_md_jmicron_perdisk *pd;
1493 struct g_raid_subdisk *sd;
1494
1495 sc = md->mdo_softc;
1496 pd = (struct g_raid_md_jmicron_perdisk *)tdisk->d_md_data;
1497
1498 /* We can't fail disk that is not a part of array now. */
1499 if (pd->pd_disk_pos < 0)
1500 return (-1);
1501
1502 if (tdisk->d_consumer)
1503 jmicron_meta_erase(tdisk->d_consumer);
1504
1505 /* Change states. */
1506 g_raid_change_disk_state(tdisk, G_RAID_DISK_S_FAILED);
1507 TAILQ_FOREACH(sd, &tdisk->d_subdisks, sd_next) {
1508 g_raid_change_subdisk_state(sd,
1509 G_RAID_SUBDISK_S_FAILED);
1510 g_raid_event_send(sd, G_RAID_SUBDISK_E_FAILED,
1511 G_RAID_EVENT_SUBDISK);
1512 }
1513
1514 /* Write updated metadata to remaining disks. */
1515 g_raid_md_write_jmicron(md, NULL, NULL, tdisk);
1516
1517 /* Check if anything left except placeholders. */
1518 if (g_raid_ndisks(sc, -1) ==
1519 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1520 g_raid_destroy_node(sc, 0);
1521 else
1522 g_raid_md_jmicron_refill(sc);
1523 return (0);
1524}
1525
1526static int
1527g_raid_md_free_disk_jmicron(struct g_raid_md_object *md,
1528 struct g_raid_disk *disk)
1529{
1530 struct g_raid_md_jmicron_perdisk *pd;
1531
1532 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1533 if (pd->pd_meta != NULL) {
1534 free(pd->pd_meta, M_MD_JMICRON);
1535 pd->pd_meta = NULL;
1536 }
1537 free(pd, M_MD_JMICRON);
1538 disk->d_md_data = NULL;
1539 return (0);
1540}
1541
1542static int
1543g_raid_md_free_jmicron(struct g_raid_md_object *md)
1544{
1545 struct g_raid_md_jmicron_object *mdi;
1546
1547 mdi = (struct g_raid_md_jmicron_object *)md;
1548 if (!mdi->mdio_started) {
1549 mdi->mdio_started = 0;
1550 callout_stop(&mdi->mdio_start_co);
1551 G_RAID_DEBUG1(1, md->mdo_softc,
1552 "root_mount_rel %p", mdi->mdio_rootmount);
1553 root_mount_rel(mdi->mdio_rootmount);
1554 mdi->mdio_rootmount = NULL;
1555 }
1556 if (mdi->mdio_meta != NULL) {
1557 free(mdi->mdio_meta, M_MD_JMICRON);
1558 mdi->mdio_meta = NULL;
1559 }
1560 return (0);
1561}
1562
1563G_RAID_MD_DECLARE(jmicron, "JMicron");
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