1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2011 Alexander Motin <mav@FreeBSD.org>
5 * Copyright (c) 2000 - 2008 Søren Schmidt <sos@FreeBSD.org>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
32
33 #include <sys/param.h>
34 #include <sys/bio.h>
35 #include <sys/endian.h>
36 #include <sys/kernel.h>
37 #include <sys/kobj.h>
38 #include <sys/limits.h>
39 #include <sys/lock.h>
40 #include <sys/malloc.h>
41 #include <sys/mutex.h>
42 #include <sys/systm.h>
43 #include <sys/taskqueue.h>
44 #include <geom/geom.h>
45 #include <geom/geom_dbg.h>
46 #include "geom/raid/g_raid.h"
47 #include "g_raid_md_if.h"
48
49 static MALLOC_DEFINE(M_MD_NVIDIA, "md_nvidia_data", "GEOM_RAID NVIDIA metadata");
50
51 struct nvidia_raid_conf {
52 uint8_t nvidia_id[8];
53 #define NVIDIA_MAGIC "NVIDIA "
54
55 uint32_t config_size;
56 uint32_t checksum;
57 uint16_t version;
58 uint8_t disk_number;
59 uint8_t dummy_0;
60 uint32_t total_sectors;
61 uint32_t sector_size;
62 uint8_t name[16];
63 uint8_t revision[4];
64 uint32_t disk_status;
65
66 uint32_t magic_0;
67 #define NVIDIA_MAGIC0 0x00640044
68
69 uint64_t volume_id[2];
70 uint8_t state;
71 #define NVIDIA_S_IDLE 0
72 #define NVIDIA_S_INIT 2
73 #define NVIDIA_S_REBUILD 3
74 #define NVIDIA_S_UPGRADE 4
75 #define NVIDIA_S_SYNC 5
76 uint8_t array_width;
77 uint8_t total_disks;
78 uint8_t orig_array_width;
79 uint16_t type;
80 #define NVIDIA_T_RAID0 0x0080
81 #define NVIDIA_T_RAID1 0x0081
82 #define NVIDIA_T_RAID3 0x0083
83 #define NVIDIA_T_RAID5 0x0085 /* RLQ = 00/02? */
84 #define NVIDIA_T_RAID5_SYM 0x0095 /* RLQ = 03 */
85 #define NVIDIA_T_RAID10 0x008a
86 #define NVIDIA_T_RAID01 0x8180
87 #define NVIDIA_T_CONCAT 0x00ff
88
89 uint16_t dummy_3;
90 uint32_t strip_sectors;
91 uint32_t strip_bytes;
92 uint32_t strip_shift;
93 uint32_t strip_mask;
94 uint32_t stripe_sectors;
95 uint32_t stripe_bytes;
96 uint32_t rebuild_lba;
97 uint32_t orig_type;
98 uint32_t orig_total_sectors;
99 uint32_t status;
100 #define NVIDIA_S_BOOTABLE 0x00000001
101 #define NVIDIA_S_DEGRADED 0x00000002
102
103 uint32_t filler[98];
104 } __packed;
105
106 struct g_raid_md_nvidia_perdisk {
107 struct nvidia_raid_conf *pd_meta;
108 int pd_disk_pos;
109 off_t pd_disk_size;
110 };
111
112 struct g_raid_md_nvidia_object {
113 struct g_raid_md_object mdio_base;
114 uint64_t mdio_volume_id[2];
115 struct nvidia_raid_conf *mdio_meta;
116 struct callout mdio_start_co; /* STARTING state timer. */
117 int mdio_total_disks;
118 int mdio_disks_present;
119 int mdio_started;
120 int mdio_incomplete;
121 struct root_hold_token *mdio_rootmount; /* Root mount delay token. */
122 };
123
124 static g_raid_md_create_t g_raid_md_create_nvidia;
125 static g_raid_md_taste_t g_raid_md_taste_nvidia;
126 static g_raid_md_event_t g_raid_md_event_nvidia;
127 static g_raid_md_ctl_t g_raid_md_ctl_nvidia;
128 static g_raid_md_write_t g_raid_md_write_nvidia;
129 static g_raid_md_fail_disk_t g_raid_md_fail_disk_nvidia;
130 static g_raid_md_free_disk_t g_raid_md_free_disk_nvidia;
131 static g_raid_md_free_t g_raid_md_free_nvidia;
132
133 static kobj_method_t g_raid_md_nvidia_methods[] = {
134 KOBJMETHOD(g_raid_md_create, g_raid_md_create_nvidia),
135 KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_nvidia),
136 KOBJMETHOD(g_raid_md_event, g_raid_md_event_nvidia),
137 KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_nvidia),
138 KOBJMETHOD(g_raid_md_write, g_raid_md_write_nvidia),
139 KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_nvidia),
140 KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_nvidia),
141 KOBJMETHOD(g_raid_md_free, g_raid_md_free_nvidia),
142 { 0, 0 }
143 };
144
145 static struct g_raid_md_class g_raid_md_nvidia_class = {
146 "NVIDIA",
147 g_raid_md_nvidia_methods,
148 sizeof(struct g_raid_md_nvidia_object),
149 .mdc_enable = 1,
150 .mdc_priority = 100
151 };
152
153 static int NVIDIANodeID = 1;
154
155 static void
156 g_raid_md_nvidia_print(struct nvidia_raid_conf *meta)
157 {
158
159 if (g_raid_debug < 1)
160 return;
161
162 printf("********* ATA NVIDIA RAID Metadata *********\n");
163 printf("nvidia_id <%.8s>\n", meta->nvidia_id);
164 printf("config_size %u\n", meta->config_size);
165 printf("checksum 0x%08x\n", meta->checksum);
166 printf("version 0x%04x\n", meta->version);
167 printf("disk_number %d\n", meta->disk_number);
168 printf("dummy_0 0x%02x\n", meta->dummy_0);
169 printf("total_sectors %u\n", meta->total_sectors);
170 printf("sector_size %u\n", meta->sector_size);
171 printf("name <%.16s>\n", meta->name);
172 printf("revision 0x%02x%02x%02x%02x\n",
173 meta->revision[0], meta->revision[1],
174 meta->revision[2], meta->revision[3]);
175 printf("disk_status 0x%08x\n", meta->disk_status);
176 printf("magic_0 0x%08x\n", meta->magic_0);
177 printf("volume_id 0x%016jx%016jx\n",
178 meta->volume_id[1], meta->volume_id[0]);
179 printf("state 0x%02x\n", meta->state);
180 printf("array_width %u\n", meta->array_width);
181 printf("total_disks %u\n", meta->total_disks);
182 printf("orig_array_width %u\n", meta->orig_array_width);
183 printf("type 0x%04x\n", meta->type);
184 printf("dummy_3 0x%04x\n", meta->dummy_3);
185 printf("strip_sectors %u\n", meta->strip_sectors);
186 printf("strip_bytes %u\n", meta->strip_bytes);
187 printf("strip_shift %u\n", meta->strip_shift);
188 printf("strip_mask 0x%08x\n", meta->strip_mask);
189 printf("stripe_sectors %u\n", meta->stripe_sectors);
190 printf("stripe_bytes %u\n", meta->stripe_bytes);
191 printf("rebuild_lba %u\n", meta->rebuild_lba);
192 printf("orig_type 0x%04x\n", meta->orig_type);
193 printf("orig_total_sectors %u\n", meta->orig_total_sectors);
194 printf("status 0x%08x\n", meta->status);
195 printf("=================================================\n");
196 }
197
198 static struct nvidia_raid_conf *
199 nvidia_meta_copy(struct nvidia_raid_conf *meta)
200 {
201 struct nvidia_raid_conf *nmeta;
202
203 nmeta = malloc(sizeof(*meta), M_MD_NVIDIA, M_WAITOK);
204 memcpy(nmeta, meta, sizeof(*meta));
205 return (nmeta);
206 }
207
208 static int
209 nvidia_meta_translate_disk(struct nvidia_raid_conf *meta, int md_disk_pos)
210 {
211 int disk_pos;
212
213 if (md_disk_pos >= 0 && meta->type == NVIDIA_T_RAID01) {
214 disk_pos = (md_disk_pos / meta->array_width) +
215 (md_disk_pos % meta->array_width) * meta->array_width;
216 } else
217 disk_pos = md_disk_pos;
218 return (disk_pos);
219 }
220
221 static void
222 nvidia_meta_get_name(struct nvidia_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
235 static void
236 nvidia_meta_put_name(struct nvidia_raid_conf *meta, char *buf)
237 {
238
239 memset(meta->name, 0x20, 16);
240 memcpy(meta->name, buf, MIN(strlen(buf), 16));
241 }
242
243 static struct nvidia_raid_conf *
244 nvidia_meta_read(struct g_consumer *cp)
245 {
246 struct g_provider *pp;
247 struct nvidia_raid_conf *meta;
248 char *buf;
249 int error, i;
250 uint32_t checksum, *ptr;
251
252 pp = cp->provider;
253 if (pp->sectorsize < sizeof(*meta))
254 return (NULL);
255 /* Read the anchor sector. */
256 buf = g_read_data(cp,
257 pp->mediasize - 2 * pp->sectorsize, pp->sectorsize, &error);
258 if (buf == NULL) {
259 G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).",
260 pp->name, error);
261 return (NULL);
262 }
263 meta = (struct nvidia_raid_conf *)buf;
264
265 /* Check if this is an NVIDIA RAID struct */
266 if (strncmp(meta->nvidia_id, NVIDIA_MAGIC, strlen(NVIDIA_MAGIC))) {
267 G_RAID_DEBUG(1, "NVIDIA signature check failed on %s", pp->name);
268 g_free(buf);
269 return (NULL);
270 }
271 if (meta->config_size > 128 ||
272 meta->config_size < 30) {
273 G_RAID_DEBUG(1, "NVIDIA metadata size looks wrong: %d",
274 meta->config_size);
275 g_free(buf);
276 return (NULL);
277 }
278 meta = malloc(sizeof(*meta), M_MD_NVIDIA, M_WAITOK);
279 memcpy(meta, buf, min(sizeof(*meta), pp->sectorsize));
280 g_free(buf);
281
282 /* Check metadata checksum. */
283 for (checksum = 0, ptr = (uint32_t *)meta,
284 i = 0; i < meta->config_size; i++)
285 checksum += *ptr++;
286 if (checksum != 0) {
287 G_RAID_DEBUG(1, "NVIDIA checksum check failed on %s", pp->name);
288 free(meta, M_MD_NVIDIA);
289 return (NULL);
290 }
291
292 /* Check volume state. */
293 if (meta->state != NVIDIA_S_IDLE && meta->state != NVIDIA_S_INIT &&
294 meta->state != NVIDIA_S_REBUILD && meta->state != NVIDIA_S_SYNC) {
295 G_RAID_DEBUG(1, "NVIDIA unknown state on %s (0x%02x)",
296 pp->name, meta->state);
297 free(meta, M_MD_NVIDIA);
298 return (NULL);
299 }
300
301 /* Check raid type. */
302 if (meta->type != NVIDIA_T_RAID0 && meta->type != NVIDIA_T_RAID1 &&
303 meta->type != NVIDIA_T_RAID3 && meta->type != NVIDIA_T_RAID5 &&
304 meta->type != NVIDIA_T_RAID5_SYM &&
305 meta->type != NVIDIA_T_RAID01 && meta->type != NVIDIA_T_CONCAT) {
306 G_RAID_DEBUG(1, "NVIDIA unknown RAID level on %s (0x%02x)",
307 pp->name, meta->type);
308 free(meta, M_MD_NVIDIA);
309 return (NULL);
310 }
311
312 return (meta);
313 }
314
315 static int
316 nvidia_meta_write(struct g_consumer *cp, struct nvidia_raid_conf *meta)
317 {
318 struct g_provider *pp;
319 char *buf;
320 int error, i;
321 uint32_t checksum, *ptr;
322
323 pp = cp->provider;
324
325 /* Recalculate checksum for case if metadata were changed. */
326 meta->checksum = 0;
327 for (checksum = 0, ptr = (uint32_t *)meta,
328 i = 0; i < meta->config_size; i++)
329 checksum += *ptr++;
330 meta->checksum -= checksum;
331
332 /* Create and fill buffer. */
333 buf = malloc(pp->sectorsize, M_MD_NVIDIA, M_WAITOK | M_ZERO);
334 memcpy(buf, meta, sizeof(*meta));
335
336 /* Write metadata. */
337 error = g_write_data(cp,
338 pp->mediasize - 2 * pp->sectorsize, buf, pp->sectorsize);
339 if (error != 0) {
340 G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).",
341 pp->name, error);
342 }
343
344 free(buf, M_MD_NVIDIA);
345 return (error);
346 }
347
348 static int
349 nvidia_meta_erase(struct g_consumer *cp)
350 {
351 struct g_provider *pp;
352 char *buf;
353 int error;
354
355 pp = cp->provider;
356 buf = malloc(pp->sectorsize, M_MD_NVIDIA, M_WAITOK | M_ZERO);
357 error = g_write_data(cp,
358 pp->mediasize - 2 * pp->sectorsize, buf, pp->sectorsize);
359 if (error != 0) {
360 G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).",
361 pp->name, error);
362 }
363 free(buf, M_MD_NVIDIA);
364 return (error);
365 }
366
367 static struct g_raid_disk *
368 g_raid_md_nvidia_get_disk(struct g_raid_softc *sc, int id)
369 {
370 struct g_raid_disk *disk;
371 struct g_raid_md_nvidia_perdisk *pd;
372
373 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
374 pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
375 if (pd->pd_disk_pos == id)
376 break;
377 }
378 return (disk);
379 }
380
381 static int
382 g_raid_md_nvidia_supported(int level, int qual, int disks, int force)
383 {
384
385 switch (level) {
386 case G_RAID_VOLUME_RL_RAID0:
387 if (disks < 1)
388 return (0);
389 if (!force && (disks < 2 || disks > 6))
390 return (0);
391 break;
392 case G_RAID_VOLUME_RL_RAID1:
393 if (disks < 1)
394 return (0);
395 if (!force && (disks != 2))
396 return (0);
397 break;
398 case G_RAID_VOLUME_RL_RAID1E:
399 if (disks < 2)
400 return (0);
401 if (disks % 2 != 0)
402 return (0);
403 if (!force && (disks < 4))
404 return (0);
405 break;
406 case G_RAID_VOLUME_RL_SINGLE:
407 if (disks != 1)
408 return (0);
409 break;
410 case G_RAID_VOLUME_RL_CONCAT:
411 if (disks < 2)
412 return (0);
413 break;
414 case G_RAID_VOLUME_RL_RAID5:
415 if (disks < 3)
416 return (0);
417 if (qual != G_RAID_VOLUME_RLQ_R5LA &&
418 qual != G_RAID_VOLUME_RLQ_R5LS)
419 return (0);
420 break;
421 default:
422 return (0);
423 }
424 if (level != G_RAID_VOLUME_RL_RAID5 && qual != G_RAID_VOLUME_RLQ_NONE)
425 return (0);
426 return (1);
427 }
428
429 static int
430 g_raid_md_nvidia_start_disk(struct g_raid_disk *disk)
431 {
432 struct g_raid_softc *sc;
433 struct g_raid_subdisk *sd, *tmpsd;
434 struct g_raid_disk *olddisk, *tmpdisk;
435 struct g_raid_md_object *md;
436 struct g_raid_md_nvidia_object *mdi;
437 struct g_raid_md_nvidia_perdisk *pd, *oldpd;
438 struct nvidia_raid_conf *meta;
439 int disk_pos, resurrection = 0;
440
441 sc = disk->d_softc;
442 md = sc->sc_md;
443 mdi = (struct g_raid_md_nvidia_object *)md;
444 meta = mdi->mdio_meta;
445 pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
446 olddisk = NULL;
447
448 /* Find disk position in metadata by its serial. */
449 if (pd->pd_meta != NULL) {
450 disk_pos = pd->pd_meta->disk_number;
451 if (disk_pos >= meta->total_disks || mdi->mdio_started)
452 disk_pos = -3;
453 } else
454 disk_pos = -3;
455 /* For RAID0+1 we need to translate order. */
456 disk_pos = nvidia_meta_translate_disk(meta, disk_pos);
457 if (disk_pos < 0) {
458 G_RAID_DEBUG1(1, sc, "Unknown, probably new or stale disk");
459 /* If we are in the start process, that's all for now. */
460 if (!mdi->mdio_started)
461 goto nofit;
462 /*
463 * If we have already started - try to get use of the disk.
464 * Try to replace OFFLINE disks first, then FAILED.
465 */
466 TAILQ_FOREACH(tmpdisk, &sc->sc_disks, d_next) {
467 if (tmpdisk->d_state != G_RAID_DISK_S_OFFLINE &&
468 tmpdisk->d_state != G_RAID_DISK_S_FAILED)
469 continue;
470 /* Make sure this disk is big enough. */
471 TAILQ_FOREACH(sd, &tmpdisk->d_subdisks, sd_next) {
472 if (sd->sd_offset + sd->sd_size + 2 * 512 >
473 pd->pd_disk_size) {
474 G_RAID_DEBUG1(1, sc,
475 "Disk too small (%ju < %ju)",
476 pd->pd_disk_size,
477 sd->sd_offset + sd->sd_size + 512);
478 break;
479 }
480 }
481 if (sd != NULL)
482 continue;
483 if (tmpdisk->d_state == G_RAID_DISK_S_OFFLINE) {
484 olddisk = tmpdisk;
485 break;
486 } else if (olddisk == NULL)
487 olddisk = tmpdisk;
488 }
489 if (olddisk == NULL) {
490 nofit:
491 g_raid_change_disk_state(disk, G_RAID_DISK_S_SPARE);
492 return (1);
493 }
494 oldpd = (struct g_raid_md_nvidia_perdisk *)olddisk->d_md_data;
495 disk_pos = oldpd->pd_disk_pos;
496 resurrection = 1;
497 }
498
499 if (olddisk == NULL) {
500 /* Find placeholder by position. */
501 olddisk = g_raid_md_nvidia_get_disk(sc, disk_pos);
502 if (olddisk == NULL)
503 panic("No disk at position %d!", disk_pos);
504 if (olddisk->d_state != G_RAID_DISK_S_OFFLINE) {
505 G_RAID_DEBUG1(1, sc, "More than one disk for pos %d",
506 disk_pos);
507 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE);
508 return (0);
509 }
510 oldpd = (struct g_raid_md_nvidia_perdisk *)olddisk->d_md_data;
511 }
512
513 /* Replace failed disk or placeholder with new disk. */
514 TAILQ_FOREACH_SAFE(sd, &olddisk->d_subdisks, sd_next, tmpsd) {
515 TAILQ_REMOVE(&olddisk->d_subdisks, sd, sd_next);
516 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
517 sd->sd_disk = disk;
518 }
519 oldpd->pd_disk_pos = -2;
520 pd->pd_disk_pos = disk_pos;
521
522 /* If it was placeholder -- destroy it. */
523 if (olddisk->d_state == G_RAID_DISK_S_OFFLINE) {
524 g_raid_destroy_disk(olddisk);
525 } else {
526 /* Otherwise, make it STALE_FAILED. */
527 g_raid_change_disk_state(olddisk, G_RAID_DISK_S_STALE_FAILED);
528 }
529
530 /* Welcome the new disk. */
531 if (resurrection)
532 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
533 else// if (pd->pd_meta->disk_status == NVIDIA_S_CURRENT ||
534 //pd->pd_meta->disk_status == NVIDIA_S_REBUILD)
535 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
536 // else
537 // g_raid_change_disk_state(disk, G_RAID_DISK_S_FAILED);
538 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
539 /*
540 * Different disks may have different sizes,
541 * in concat mode. Update from real disk size.
542 */
543 if (meta->type == NVIDIA_T_CONCAT)
544 sd->sd_size = pd->pd_disk_size - 0x800 * 512;
545
546 if (resurrection) {
547 /* New or ex-spare disk. */
548 g_raid_change_subdisk_state(sd,
549 G_RAID_SUBDISK_S_NEW);
550 } else if (meta->state == NVIDIA_S_REBUILD &&
551 (pd->pd_meta->disk_status & 0x100)) {
552 /* Rebuilding disk. */
553 g_raid_change_subdisk_state(sd,
554 G_RAID_SUBDISK_S_REBUILD);
555 sd->sd_rebuild_pos = (off_t)pd->pd_meta->rebuild_lba /
556 meta->array_width * pd->pd_meta->sector_size;
557 } else if (meta->state == NVIDIA_S_SYNC) {
558 /* Resyncing/dirty disk. */
559 g_raid_change_subdisk_state(sd,
560 G_RAID_SUBDISK_S_RESYNC);
561 sd->sd_rebuild_pos = (off_t)pd->pd_meta->rebuild_lba /
562 meta->array_width * pd->pd_meta->sector_size;
563 } else {
564 /* Up to date disk. */
565 g_raid_change_subdisk_state(sd,
566 G_RAID_SUBDISK_S_ACTIVE);
567 }
568 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
569 G_RAID_EVENT_SUBDISK);
570 }
571
572 /* Update status of our need for spare. */
573 if (mdi->mdio_started) {
574 mdi->mdio_incomplete =
575 (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
576 mdi->mdio_total_disks);
577 }
578
579 return (resurrection);
580 }
581
582 static void
583 g_disk_md_nvidia_retaste(void *arg, int pending)
584 {
585
586 G_RAID_DEBUG(1, "Array is not complete, trying to retaste.");
587 g_retaste(&g_raid_class);
588 free(arg, M_MD_NVIDIA);
589 }
590
591 static void
592 g_raid_md_nvidia_refill(struct g_raid_softc *sc)
593 {
594 struct g_raid_md_object *md;
595 struct g_raid_md_nvidia_object *mdi;
596 struct g_raid_disk *disk;
597 struct task *task;
598 int update, na;
599
600 md = sc->sc_md;
601 mdi = (struct g_raid_md_nvidia_object *)md;
602 update = 0;
603 do {
604 /* Make sure we miss anything. */
605 na = g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE);
606 if (na == mdi->mdio_total_disks)
607 break;
608
609 G_RAID_DEBUG1(1, md->mdo_softc,
610 "Array is not complete (%d of %d), "
611 "trying to refill.", na, mdi->mdio_total_disks);
612
613 /* Try to get use some of STALE disks. */
614 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
615 if (disk->d_state == G_RAID_DISK_S_STALE) {
616 update += g_raid_md_nvidia_start_disk(disk);
617 if (disk->d_state == G_RAID_DISK_S_ACTIVE)
618 break;
619 }
620 }
621 if (disk != NULL)
622 continue;
623
624 /* Try to get use some of SPARE disks. */
625 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
626 if (disk->d_state == G_RAID_DISK_S_SPARE) {
627 update += g_raid_md_nvidia_start_disk(disk);
628 if (disk->d_state == G_RAID_DISK_S_ACTIVE)
629 break;
630 }
631 }
632 } while (disk != NULL);
633
634 /* Write new metadata if we changed something. */
635 if (update)
636 g_raid_md_write_nvidia(md, NULL, NULL, NULL);
637
638 /* Update status of our need for spare. */
639 mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
640 mdi->mdio_total_disks);
641
642 /* Request retaste hoping to find spare. */
643 if (mdi->mdio_incomplete) {
644 task = malloc(sizeof(struct task),
645 M_MD_NVIDIA, M_WAITOK | M_ZERO);
646 TASK_INIT(task, 0, g_disk_md_nvidia_retaste, task);
647 taskqueue_enqueue(taskqueue_swi, task);
648 }
649 }
650
651 static void
652 g_raid_md_nvidia_start(struct g_raid_softc *sc)
653 {
654 struct g_raid_md_object *md;
655 struct g_raid_md_nvidia_object *mdi;
656 struct g_raid_md_nvidia_perdisk *pd;
657 struct nvidia_raid_conf *meta;
658 struct g_raid_volume *vol;
659 struct g_raid_subdisk *sd;
660 struct g_raid_disk *disk;
661 off_t size;
662 int j, disk_pos;
663 char buf[17];
664
665 md = sc->sc_md;
666 mdi = (struct g_raid_md_nvidia_object *)md;
667 meta = mdi->mdio_meta;
668
669 /* Create volumes and subdisks. */
670 nvidia_meta_get_name(meta, buf);
671 vol = g_raid_create_volume(sc, buf, -1);
672 vol->v_mediasize = (off_t)meta->total_sectors * 512;
673 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE;
674 if (meta->type == NVIDIA_T_RAID0) {
675 vol->v_raid_level = G_RAID_VOLUME_RL_RAID0;
676 size = vol->v_mediasize / mdi->mdio_total_disks;
677 } else if (meta->type == NVIDIA_T_RAID1) {
678 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
679 size = vol->v_mediasize;
680 } else if (meta->type == NVIDIA_T_RAID01) {
681 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
682 size = vol->v_mediasize / (mdi->mdio_total_disks / 2);
683 } else if (meta->type == NVIDIA_T_CONCAT) {
684 if (mdi->mdio_total_disks == 1)
685 vol->v_raid_level = G_RAID_VOLUME_RL_SINGLE;
686 else
687 vol->v_raid_level = G_RAID_VOLUME_RL_CONCAT;
688 size = 0;
689 } else if (meta->type == NVIDIA_T_RAID5) {
690 vol->v_raid_level = G_RAID_VOLUME_RL_RAID5;
691 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_R5LA;
692 size = vol->v_mediasize / (mdi->mdio_total_disks - 1);
693 } else if (meta->type == NVIDIA_T_RAID5_SYM) {
694 vol->v_raid_level = G_RAID_VOLUME_RL_RAID5;
695 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_R5LS;
696 size = vol->v_mediasize / (mdi->mdio_total_disks - 1);
697 } else {
698 vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN;
699 size = 0;
700 }
701 vol->v_strip_size = meta->strip_sectors * 512; //ZZZ
702 vol->v_disks_count = mdi->mdio_total_disks;
703 vol->v_sectorsize = 512; //ZZZ
704 for (j = 0; j < vol->v_disks_count; j++) {
705 sd = &vol->v_subdisks[j];
706 sd->sd_offset = 0;
707 sd->sd_size = size;
708 }
709 g_raid_start_volume(vol);
710
711 /* Create disk placeholders to store data for later writing. */
712 for (disk_pos = 0; disk_pos < mdi->mdio_total_disks; disk_pos++) {
713 pd = malloc(sizeof(*pd), M_MD_NVIDIA, M_WAITOK | M_ZERO);
714 pd->pd_disk_pos = disk_pos;
715 disk = g_raid_create_disk(sc);
716 disk->d_md_data = (void *)pd;
717 disk->d_state = G_RAID_DISK_S_OFFLINE;
718 sd = &vol->v_subdisks[disk_pos];
719 sd->sd_disk = disk;
720 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
721 }
722
723 /* Make all disks found till the moment take their places. */
724 do {
725 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
726 if (disk->d_state == G_RAID_DISK_S_NONE) {
727 g_raid_md_nvidia_start_disk(disk);
728 break;
729 }
730 }
731 } while (disk != NULL);
732
733 mdi->mdio_started = 1;
734 G_RAID_DEBUG1(0, sc, "Array started.");
735 g_raid_md_write_nvidia(md, NULL, NULL, NULL);
736
737 /* Pickup any STALE/SPARE disks to refill array if needed. */
738 g_raid_md_nvidia_refill(sc);
739
740 g_raid_event_send(vol, G_RAID_VOLUME_E_START, G_RAID_EVENT_VOLUME);
741
742 callout_stop(&mdi->mdio_start_co);
743 G_RAID_DEBUG1(1, sc, "root_mount_rel %p", mdi->mdio_rootmount);
744 root_mount_rel(mdi->mdio_rootmount);
745 mdi->mdio_rootmount = NULL;
746 }
747
748 static void
749 g_raid_md_nvidia_new_disk(struct g_raid_disk *disk)
750 {
751 struct g_raid_softc *sc;
752 struct g_raid_md_object *md;
753 struct g_raid_md_nvidia_object *mdi;
754 struct nvidia_raid_conf *pdmeta;
755 struct g_raid_md_nvidia_perdisk *pd;
756
757 sc = disk->d_softc;
758 md = sc->sc_md;
759 mdi = (struct g_raid_md_nvidia_object *)md;
760 pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
761 pdmeta = pd->pd_meta;
762
763 if (mdi->mdio_started) {
764 if (g_raid_md_nvidia_start_disk(disk))
765 g_raid_md_write_nvidia(md, NULL, NULL, NULL);
766 } else {
767 if (mdi->mdio_meta == NULL ||
768 mdi->mdio_meta->disk_number >= mdi->mdio_meta->total_disks) {
769 G_RAID_DEBUG1(1, sc, "Newer disk");
770 if (mdi->mdio_meta != NULL)
771 free(mdi->mdio_meta, M_MD_NVIDIA);
772 mdi->mdio_meta = nvidia_meta_copy(pdmeta);
773 mdi->mdio_total_disks = pdmeta->total_disks;
774 mdi->mdio_disks_present = 1;
775 } else if (pdmeta->disk_number < mdi->mdio_meta->total_disks) {
776 mdi->mdio_disks_present++;
777 G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d up)",
778 mdi->mdio_disks_present,
779 mdi->mdio_total_disks);
780 } else
781 G_RAID_DEBUG1(1, sc, "Spare disk");
782
783 /* If we collected all needed disks - start array. */
784 if (mdi->mdio_disks_present == mdi->mdio_total_disks)
785 g_raid_md_nvidia_start(sc);
786 }
787 }
788
789 static void
790 g_raid_nvidia_go(void *arg)
791 {
792 struct g_raid_softc *sc;
793 struct g_raid_md_object *md;
794 struct g_raid_md_nvidia_object *mdi;
795
796 sc = arg;
797 md = sc->sc_md;
798 mdi = (struct g_raid_md_nvidia_object *)md;
799 if (!mdi->mdio_started) {
800 G_RAID_DEBUG1(0, sc, "Force array start due to timeout.");
801 g_raid_event_send(sc, G_RAID_NODE_E_START, 0);
802 }
803 }
804
805 static int
806 g_raid_md_create_nvidia(struct g_raid_md_object *md, struct g_class *mp,
807 struct g_geom **gp)
808 {
809 struct g_raid_softc *sc;
810 struct g_raid_md_nvidia_object *mdi;
811 char name[32];
812
813 mdi = (struct g_raid_md_nvidia_object *)md;
814 arc4rand(&mdi->mdio_volume_id, 16, 0);
815 snprintf(name, sizeof(name), "NVIDIA-%d",
816 atomic_fetchadd_int(&NVIDIANodeID, 1));
817 sc = g_raid_create_node(mp, name, md);
818 if (sc == NULL)
819 return (G_RAID_MD_TASTE_FAIL);
820 md->mdo_softc = sc;
821 *gp = sc->sc_geom;
822 return (G_RAID_MD_TASTE_NEW);
823 }
824
825 static int
826 g_raid_md_taste_nvidia(struct g_raid_md_object *md, struct g_class *mp,
827 struct g_consumer *cp, struct g_geom **gp)
828 {
829 struct g_consumer *rcp;
830 struct g_provider *pp;
831 struct g_raid_md_nvidia_object *mdi, *mdi1;
832 struct g_raid_softc *sc;
833 struct g_raid_disk *disk;
834 struct nvidia_raid_conf *meta;
835 struct g_raid_md_nvidia_perdisk *pd;
836 struct g_geom *geom;
837 int result, spare, len;
838 char name[32];
839 uint16_t vendor;
840
841 G_RAID_DEBUG(1, "Tasting NVIDIA on %s", cp->provider->name);
842 mdi = (struct g_raid_md_nvidia_object *)md;
843 pp = cp->provider;
844
845 /* Read metadata from device. */
846 meta = NULL;
847 g_topology_unlock();
848 vendor = 0xffff;
849 len = sizeof(vendor);
850 if (pp->geom->rank == 1)
851 g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor);
852 meta = nvidia_meta_read(cp);
853 g_topology_lock();
854 if (meta == NULL) {
855 if (g_raid_aggressive_spare) {
856 if (vendor == 0x10de) {
857 G_RAID_DEBUG(1,
858 "No NVIDIA metadata, forcing spare.");
859 spare = 2;
860 goto search;
861 } else {
862 G_RAID_DEBUG(1,
863 "NVIDIA vendor mismatch 0x%04x != 0x10de",
864 vendor);
865 }
866 }
867 return (G_RAID_MD_TASTE_FAIL);
868 }
869
870 /* Metadata valid. Print it. */
871 g_raid_md_nvidia_print(meta);
872 G_RAID_DEBUG(1, "NVIDIA disk position %d", meta->disk_number);
873 spare = 0;//(meta->type == NVIDIA_T_SPARE) ? 1 : 0;
874
875 search:
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_nvidia_object *)sc->sc_md;
888 if (spare) {
889 if (mdi1->mdio_incomplete)
890 break;
891 } else {
892 if (memcmp(&mdi1->mdio_volume_id,
893 &meta->volume_id, 16) == 0)
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 memcpy(&mdi->mdio_volume_id, &meta->volume_id, 16);
910 snprintf(name, sizeof(name), "NVIDIA-%d",
911 atomic_fetchadd_int(&NVIDIANodeID, 1));
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_nvidia_go, sc);
918 mdi->mdio_rootmount = root_mount_hold("GRAID-NVIDIA");
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_NVIDIA, M_WAITOK | M_ZERO);
935 pd->pd_meta = meta;
936 if (spare == 2) {
937 pd->pd_disk_pos = -3;
938 } else {
939 pd->pd_disk_pos = -1;
940 }
941 pd->pd_disk_size = pp->mediasize;
942 disk = g_raid_create_disk(sc);
943 disk->d_md_data = (void *)pd;
944 disk->d_consumer = rcp;
945 rcp->private = disk;
946
947 g_raid_get_disk_info(disk);
948
949 g_raid_md_nvidia_new_disk(disk);
950
951 sx_xunlock(&sc->sc_lock);
952 g_topology_lock();
953 *gp = geom;
954 return (result);
955 fail1:
956 free(meta, M_MD_NVIDIA);
957 return (G_RAID_MD_TASTE_FAIL);
958 }
959
960 static int
961 g_raid_md_event_nvidia(struct g_raid_md_object *md,
962 struct g_raid_disk *disk, u_int event)
963 {
964 struct g_raid_softc *sc;
965 struct g_raid_subdisk *sd;
966 struct g_raid_md_nvidia_object *mdi;
967 struct g_raid_md_nvidia_perdisk *pd;
968
969 sc = md->mdo_softc;
970 mdi = (struct g_raid_md_nvidia_object *)md;
971 if (disk == NULL) {
972 switch (event) {
973 case G_RAID_NODE_E_START:
974 if (!mdi->mdio_started) {
975 /* Bump volume ID to drop missing disks. */
976 arc4rand(&mdi->mdio_volume_id, 16, 0);
977 g_raid_md_nvidia_start(sc);
978 }
979 return (0);
980 }
981 return (-1);
982 }
983 pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
984 switch (event) {
985 case G_RAID_DISK_E_DISCONNECTED:
986 /* If disk was assigned, just update statuses. */
987 if (pd->pd_disk_pos >= 0) {
988 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
989 if (disk->d_consumer) {
990 g_raid_kill_consumer(sc, disk->d_consumer);
991 disk->d_consumer = NULL;
992 }
993 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
994 g_raid_change_subdisk_state(sd,
995 G_RAID_SUBDISK_S_NONE);
996 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
997 G_RAID_EVENT_SUBDISK);
998 }
999 } else {
1000 /* Otherwise -- delete. */
1001 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
1002 g_raid_destroy_disk(disk);
1003 }
1004
1005 if (mdi->mdio_started) {
1006 /* Bump volume ID to prevent disk resurrection. */
1007 if (pd->pd_disk_pos >= 0)
1008 arc4rand(&mdi->mdio_volume_id, 16, 0);
1009
1010 /* Write updated metadata to all disks. */
1011 g_raid_md_write_nvidia(md, NULL, NULL, NULL);
1012 }
1013
1014 /* Check if anything left except placeholders. */
1015 if (g_raid_ndisks(sc, -1) ==
1016 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1017 g_raid_destroy_node(sc, 0);
1018 else
1019 g_raid_md_nvidia_refill(sc);
1020 return (0);
1021 }
1022 return (-2);
1023 }
1024
1025 static int
1026 g_raid_md_ctl_nvidia(struct g_raid_md_object *md,
1027 struct gctl_req *req)
1028 {
1029 struct g_raid_softc *sc;
1030 struct g_raid_volume *vol;
1031 struct g_raid_subdisk *sd;
1032 struct g_raid_disk *disk;
1033 struct g_raid_md_nvidia_object *mdi;
1034 struct g_raid_md_nvidia_perdisk *pd;
1035 struct g_consumer *cp;
1036 struct g_provider *pp;
1037 char arg[16];
1038 const char *verb, *volname, *levelname, *diskname;
1039 int *nargs, *force;
1040 off_t size, sectorsize, strip, volsize;
1041 intmax_t *sizearg, *striparg;
1042 int numdisks, i, len, level, qual, update;
1043 int error;
1044
1045 sc = md->mdo_softc;
1046 mdi = (struct g_raid_md_nvidia_object *)md;
1047 verb = gctl_get_param(req, "verb", NULL);
1048 nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
1049 error = 0;
1050 if (strcmp(verb, "label") == 0) {
1051 if (*nargs < 4) {
1052 gctl_error(req, "Invalid number of arguments.");
1053 return (-1);
1054 }
1055 volname = gctl_get_asciiparam(req, "arg1");
1056 if (volname == NULL) {
1057 gctl_error(req, "No volume name.");
1058 return (-2);
1059 }
1060 levelname = gctl_get_asciiparam(req, "arg2");
1061 if (levelname == NULL) {
1062 gctl_error(req, "No RAID level.");
1063 return (-3);
1064 }
1065 if (strcasecmp(levelname, "RAID5") == 0)
1066 levelname = "RAID5-LS";
1067 if (g_raid_volume_str2level(levelname, &level, &qual)) {
1068 gctl_error(req, "Unknown RAID level '%s'.", levelname);
1069 return (-4);
1070 }
1071 numdisks = *nargs - 3;
1072 force = gctl_get_paraml(req, "force", sizeof(*force));
1073 if (!g_raid_md_nvidia_supported(level, qual, numdisks,
1074 force ? *force : 0)) {
1075 gctl_error(req, "Unsupported RAID level "
1076 "(0x%02x/0x%02x), or number of disks (%d).",
1077 level, qual, numdisks);
1078 return (-5);
1079 }
1080
1081 /* Search for disks, connect them and probe. */
1082 size = 0x7fffffffffffffffllu;
1083 sectorsize = 0;
1084 for (i = 0; i < numdisks; i++) {
1085 snprintf(arg, sizeof(arg), "arg%d", i + 3);
1086 diskname = gctl_get_asciiparam(req, arg);
1087 if (diskname == NULL) {
1088 gctl_error(req, "No disk name (%s).", arg);
1089 error = -6;
1090 break;
1091 }
1092 if (strcmp(diskname, "NONE") == 0) {
1093 cp = NULL;
1094 pp = NULL;
1095 } else {
1096 g_topology_lock();
1097 cp = g_raid_open_consumer(sc, diskname);
1098 if (cp == NULL) {
1099 gctl_error(req, "Can't open '%s'.",
1100 diskname);
1101 g_topology_unlock();
1102 error = -7;
1103 break;
1104 }
1105 pp = cp->provider;
1106 }
1107 pd = malloc(sizeof(*pd), M_MD_NVIDIA, M_WAITOK | M_ZERO);
1108 pd->pd_disk_pos = i;
1109 disk = g_raid_create_disk(sc);
1110 disk->d_md_data = (void *)pd;
1111 disk->d_consumer = cp;
1112 if (cp == NULL)
1113 continue;
1114 cp->private = disk;
1115 g_topology_unlock();
1116
1117 g_raid_get_disk_info(disk);
1118
1119 pd->pd_disk_size = pp->mediasize;
1120 if (size > pp->mediasize)
1121 size = pp->mediasize;
1122 if (sectorsize < pp->sectorsize)
1123 sectorsize = pp->sectorsize;
1124 }
1125 if (error != 0)
1126 return (error);
1127
1128 if (sectorsize <= 0) {
1129 gctl_error(req, "Can't get sector size.");
1130 return (-8);
1131 }
1132
1133 /* Reserve space for metadata. */
1134 size -= 2 * sectorsize;
1135
1136 /* Handle size argument. */
1137 len = sizeof(*sizearg);
1138 sizearg = gctl_get_param(req, "size", &len);
1139 if (sizearg != NULL && len == sizeof(*sizearg) &&
1140 *sizearg > 0) {
1141 if (*sizearg > size) {
1142 gctl_error(req, "Size too big %lld > %lld.",
1143 (long long)*sizearg, (long long)size);
1144 return (-9);
1145 }
1146 size = *sizearg;
1147 }
1148
1149 /* Handle strip argument. */
1150 strip = 131072;
1151 len = sizeof(*striparg);
1152 striparg = gctl_get_param(req, "strip", &len);
1153 if (striparg != NULL && len == sizeof(*striparg) &&
1154 *striparg > 0) {
1155 if (*striparg < sectorsize) {
1156 gctl_error(req, "Strip size too small.");
1157 return (-10);
1158 }
1159 if (*striparg % sectorsize != 0) {
1160 gctl_error(req, "Incorrect strip size.");
1161 return (-11);
1162 }
1163 if (strip > 65535 * sectorsize) {
1164 gctl_error(req, "Strip size too big.");
1165 return (-12);
1166 }
1167 strip = *striparg;
1168 }
1169
1170 /* Round size down to strip or sector. */
1171 if (level == G_RAID_VOLUME_RL_RAID1)
1172 size -= (size % sectorsize);
1173 else if (level == G_RAID_VOLUME_RL_RAID1E &&
1174 (numdisks & 1) != 0)
1175 size -= (size % (2 * strip));
1176 else
1177 size -= (size % strip);
1178 if (size <= 0) {
1179 gctl_error(req, "Size too small.");
1180 return (-13);
1181 }
1182
1183 if (level == G_RAID_VOLUME_RL_RAID0 ||
1184 level == G_RAID_VOLUME_RL_CONCAT ||
1185 level == G_RAID_VOLUME_RL_SINGLE)
1186 volsize = size * numdisks;
1187 else if (level == G_RAID_VOLUME_RL_RAID1)
1188 volsize = size;
1189 else if (level == G_RAID_VOLUME_RL_RAID5)
1190 volsize = size * (numdisks - 1);
1191 else { /* RAID1E */
1192 volsize = ((size * numdisks) / strip / 2) *
1193 strip;
1194 }
1195 if (volsize > 0xffffffffllu * sectorsize) {
1196 gctl_error(req, "Size too big.");
1197 return (-14);
1198 }
1199
1200 /* We have all we need, create things: volume, ... */
1201 mdi->mdio_total_disks = numdisks;
1202 mdi->mdio_started = 1;
1203 vol = g_raid_create_volume(sc, volname, -1);
1204 vol->v_md_data = (void *)(intptr_t)0;
1205 vol->v_raid_level = level;
1206 vol->v_raid_level_qualifier = qual;
1207 vol->v_strip_size = strip;
1208 vol->v_disks_count = numdisks;
1209 vol->v_mediasize = volsize;
1210 vol->v_sectorsize = sectorsize;
1211 g_raid_start_volume(vol);
1212
1213 /* , and subdisks. */
1214 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1215 pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
1216 sd = &vol->v_subdisks[pd->pd_disk_pos];
1217 sd->sd_disk = disk;
1218 sd->sd_offset = 0;
1219 sd->sd_size = size;
1220 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1221 if (sd->sd_disk->d_consumer != NULL) {
1222 g_raid_change_disk_state(disk,
1223 G_RAID_DISK_S_ACTIVE);
1224 g_raid_change_subdisk_state(sd,
1225 G_RAID_SUBDISK_S_ACTIVE);
1226 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
1227 G_RAID_EVENT_SUBDISK);
1228 } else {
1229 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1230 }
1231 }
1232
1233 /* Write metadata based on created entities. */
1234 G_RAID_DEBUG1(0, sc, "Array started.");
1235 g_raid_md_write_nvidia(md, NULL, NULL, NULL);
1236
1237 /* Pickup any STALE/SPARE disks to refill array if needed. */
1238 g_raid_md_nvidia_refill(sc);
1239
1240 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1241 G_RAID_EVENT_VOLUME);
1242 return (0);
1243 }
1244 if (strcmp(verb, "delete") == 0) {
1245 /* Check if some volume is still open. */
1246 force = gctl_get_paraml(req, "force", sizeof(*force));
1247 if (force != NULL && *force == 0 &&
1248 g_raid_nopens(sc) != 0) {
1249 gctl_error(req, "Some volume is still open.");
1250 return (-4);
1251 }
1252
1253 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1254 if (disk->d_consumer)
1255 nvidia_meta_erase(disk->d_consumer);
1256 }
1257 g_raid_destroy_node(sc, 0);
1258 return (0);
1259 }
1260 if (strcmp(verb, "remove") == 0 ||
1261 strcmp(verb, "fail") == 0) {
1262 if (*nargs < 2) {
1263 gctl_error(req, "Invalid number of arguments.");
1264 return (-1);
1265 }
1266 for (i = 1; i < *nargs; i++) {
1267 snprintf(arg, sizeof(arg), "arg%d", i);
1268 diskname = gctl_get_asciiparam(req, arg);
1269 if (diskname == NULL) {
1270 gctl_error(req, "No disk name (%s).", arg);
1271 error = -2;
1272 break;
1273 }
1274 if (strncmp(diskname, _PATH_DEV, 5) == 0)
1275 diskname += 5;
1276
1277 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1278 if (disk->d_consumer != NULL &&
1279 disk->d_consumer->provider != NULL &&
1280 strcmp(disk->d_consumer->provider->name,
1281 diskname) == 0)
1282 break;
1283 }
1284 if (disk == NULL) {
1285 gctl_error(req, "Disk '%s' not found.",
1286 diskname);
1287 error = -3;
1288 break;
1289 }
1290
1291 if (strcmp(verb, "fail") == 0) {
1292 g_raid_md_fail_disk_nvidia(md, NULL, disk);
1293 continue;
1294 }
1295
1296 pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
1297
1298 /* Erase metadata on deleting disk. */
1299 nvidia_meta_erase(disk->d_consumer);
1300
1301 /* If disk was assigned, just update statuses. */
1302 if (pd->pd_disk_pos >= 0) {
1303 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1304 g_raid_kill_consumer(sc, disk->d_consumer);
1305 disk->d_consumer = NULL;
1306 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
1307 g_raid_change_subdisk_state(sd,
1308 G_RAID_SUBDISK_S_NONE);
1309 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
1310 G_RAID_EVENT_SUBDISK);
1311 }
1312 } else {
1313 /* Otherwise -- delete. */
1314 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
1315 g_raid_destroy_disk(disk);
1316 }
1317 }
1318
1319 /* Write updated metadata to remaining disks. */
1320 g_raid_md_write_nvidia(md, NULL, NULL, NULL);
1321
1322 /* Check if anything left except placeholders. */
1323 if (g_raid_ndisks(sc, -1) ==
1324 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1325 g_raid_destroy_node(sc, 0);
1326 else
1327 g_raid_md_nvidia_refill(sc);
1328 return (error);
1329 }
1330 if (strcmp(verb, "insert") == 0) {
1331 if (*nargs < 2) {
1332 gctl_error(req, "Invalid number of arguments.");
1333 return (-1);
1334 }
1335 update = 0;
1336 for (i = 1; i < *nargs; i++) {
1337 /* Get disk name. */
1338 snprintf(arg, sizeof(arg), "arg%d", i);
1339 diskname = gctl_get_asciiparam(req, arg);
1340 if (diskname == NULL) {
1341 gctl_error(req, "No disk name (%s).", arg);
1342 error = -3;
1343 break;
1344 }
1345
1346 /* Try to find provider with specified name. */
1347 g_topology_lock();
1348 cp = g_raid_open_consumer(sc, diskname);
1349 if (cp == NULL) {
1350 gctl_error(req, "Can't open disk '%s'.",
1351 diskname);
1352 g_topology_unlock();
1353 error = -4;
1354 break;
1355 }
1356 pp = cp->provider;
1357
1358 pd = malloc(sizeof(*pd), M_MD_NVIDIA, M_WAITOK | M_ZERO);
1359 pd->pd_disk_pos = -3;
1360 pd->pd_disk_size = pp->mediasize;
1361
1362 disk = g_raid_create_disk(sc);
1363 disk->d_consumer = cp;
1364 disk->d_md_data = (void *)pd;
1365 cp->private = disk;
1366 g_topology_unlock();
1367
1368 g_raid_get_disk_info(disk);
1369
1370 /* Welcome the "new" disk. */
1371 update += g_raid_md_nvidia_start_disk(disk);
1372 if (disk->d_state != G_RAID_DISK_S_SPARE &&
1373 disk->d_state != G_RAID_DISK_S_ACTIVE) {
1374 gctl_error(req, "Disk '%s' doesn't fit.",
1375 diskname);
1376 g_raid_destroy_disk(disk);
1377 error = -8;
1378 break;
1379 }
1380 }
1381
1382 /* Write new metadata if we changed something. */
1383 if (update)
1384 g_raid_md_write_nvidia(md, NULL, NULL, NULL);
1385 return (error);
1386 }
1387 gctl_error(req, "Command '%s' is not supported.", verb);
1388 return (-100);
1389 }
1390
1391 static int
1392 g_raid_md_write_nvidia(struct g_raid_md_object *md, struct g_raid_volume *tvol,
1393 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
1394 {
1395 struct g_raid_softc *sc;
1396 struct g_raid_volume *vol;
1397 struct g_raid_subdisk *sd;
1398 struct g_raid_disk *disk;
1399 struct g_raid_md_nvidia_object *mdi;
1400 struct g_raid_md_nvidia_perdisk *pd;
1401 struct nvidia_raid_conf *meta;
1402 int i, spares;
1403
1404 sc = md->mdo_softc;
1405 mdi = (struct g_raid_md_nvidia_object *)md;
1406
1407 if (sc->sc_stopping == G_RAID_DESTROY_HARD)
1408 return (0);
1409
1410 /* There is only one volume. */
1411 vol = TAILQ_FIRST(&sc->sc_volumes);
1412
1413 /* Fill global fields. */
1414 meta = malloc(sizeof(*meta), M_MD_NVIDIA, M_WAITOK | M_ZERO);
1415 if (mdi->mdio_meta)
1416 memcpy(meta, mdi->mdio_meta, sizeof(*meta));
1417 memcpy(meta->nvidia_id, NVIDIA_MAGIC, sizeof(NVIDIA_MAGIC) - 1);
1418 meta->config_size = 30;
1419 meta->version = 0x0064;
1420 meta->total_sectors = vol->v_mediasize / vol->v_sectorsize;
1421 meta->sector_size = vol->v_sectorsize;
1422 nvidia_meta_put_name(meta, vol->v_name);
1423 meta->magic_0 = NVIDIA_MAGIC0;
1424 memcpy(&meta->volume_id, &mdi->mdio_volume_id, 16);
1425 meta->state = NVIDIA_S_IDLE;
1426 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
1427 meta->array_width = 1;
1428 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
1429 meta->array_width = vol->v_disks_count / 2;
1430 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5)
1431 meta->array_width = vol->v_disks_count - 1;
1432 else
1433 meta->array_width = vol->v_disks_count;
1434 meta->total_disks = vol->v_disks_count;
1435 meta->orig_array_width = meta->array_width;
1436 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
1437 meta->type = NVIDIA_T_RAID0;
1438 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
1439 meta->type = NVIDIA_T_RAID1;
1440 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
1441 meta->type = NVIDIA_T_RAID01;
1442 else if (vol->v_raid_level == G_RAID_VOLUME_RL_CONCAT ||
1443 vol->v_raid_level == G_RAID_VOLUME_RL_SINGLE)
1444 meta->type = NVIDIA_T_CONCAT;
1445 else if (vol->v_raid_level_qualifier == G_RAID_VOLUME_RLQ_R5LA)
1446 meta->type = NVIDIA_T_RAID5;
1447 else
1448 meta->type = NVIDIA_T_RAID5_SYM;
1449 meta->strip_sectors = vol->v_strip_size / vol->v_sectorsize;
1450 meta->strip_bytes = vol->v_strip_size;
1451 meta->strip_shift = ffs(meta->strip_sectors) - 1;
1452 meta->strip_mask = meta->strip_sectors - 1;
1453 meta->stripe_sectors = meta->strip_sectors * meta->orig_array_width;
1454 meta->stripe_bytes = meta->stripe_sectors * vol->v_sectorsize;
1455 meta->rebuild_lba = 0;
1456 meta->orig_type = meta->type;
1457 meta->orig_total_sectors = meta->total_sectors;
1458 meta->status = 0;
1459
1460 for (i = 0; i < vol->v_disks_count; i++) {
1461 sd = &vol->v_subdisks[i];
1462 if ((sd->sd_state == G_RAID_SUBDISK_S_STALE ||
1463 sd->sd_state == G_RAID_SUBDISK_S_RESYNC ||
1464 vol->v_dirty) &&
1465 meta->state != NVIDIA_S_REBUILD)
1466 meta->state = NVIDIA_S_SYNC;
1467 else if (sd->sd_state == G_RAID_SUBDISK_S_NEW ||
1468 sd->sd_state == G_RAID_SUBDISK_S_REBUILD)
1469 meta->state = NVIDIA_S_REBUILD;
1470 }
1471
1472 /* We are done. Print meta data and store them to disks. */
1473 if (mdi->mdio_meta != NULL)
1474 free(mdi->mdio_meta, M_MD_NVIDIA);
1475 mdi->mdio_meta = meta;
1476 spares = 0;
1477 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1478 pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
1479 if (disk->d_state != G_RAID_DISK_S_ACTIVE &&
1480 disk->d_state != G_RAID_DISK_S_SPARE)
1481 continue;
1482 if (pd->pd_meta != NULL) {
1483 free(pd->pd_meta, M_MD_NVIDIA);
1484 pd->pd_meta = NULL;
1485 }
1486 pd->pd_meta = nvidia_meta_copy(meta);
1487 if ((sd = TAILQ_FIRST(&disk->d_subdisks)) != NULL) {
1488 /* For RAID0+1 we need to translate order. */
1489 pd->pd_meta->disk_number =
1490 nvidia_meta_translate_disk(meta, sd->sd_pos);
1491 if (sd->sd_state != G_RAID_SUBDISK_S_ACTIVE) {
1492 pd->pd_meta->disk_status = 0x100;
1493 pd->pd_meta->rebuild_lba =
1494 sd->sd_rebuild_pos / vol->v_sectorsize *
1495 meta->array_width;
1496 }
1497 } else
1498 pd->pd_meta->disk_number = meta->total_disks + spares++;
1499 G_RAID_DEBUG(1, "Writing NVIDIA metadata to %s",
1500 g_raid_get_diskname(disk));
1501 g_raid_md_nvidia_print(pd->pd_meta);
1502 nvidia_meta_write(disk->d_consumer, pd->pd_meta);
1503 }
1504 return (0);
1505 }
1506
1507 static int
1508 g_raid_md_fail_disk_nvidia(struct g_raid_md_object *md,
1509 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
1510 {
1511 struct g_raid_softc *sc;
1512 struct g_raid_md_nvidia_perdisk *pd;
1513 struct g_raid_subdisk *sd;
1514
1515 sc = md->mdo_softc;
1516 pd = (struct g_raid_md_nvidia_perdisk *)tdisk->d_md_data;
1517
1518 /* We can't fail disk that is not a part of array now. */
1519 if (pd->pd_disk_pos < 0)
1520 return (-1);
1521
1522 /* Erase metadata to prevent disks's later resurrection. */
1523 if (tdisk->d_consumer)
1524 nvidia_meta_erase(tdisk->d_consumer);
1525
1526 /* Change states. */
1527 g_raid_change_disk_state(tdisk, G_RAID_DISK_S_FAILED);
1528 TAILQ_FOREACH(sd, &tdisk->d_subdisks, sd_next) {
1529 g_raid_change_subdisk_state(sd,
1530 G_RAID_SUBDISK_S_FAILED);
1531 g_raid_event_send(sd, G_RAID_SUBDISK_E_FAILED,
1532 G_RAID_EVENT_SUBDISK);
1533 }
1534
1535 /* Write updated metadata to remaining disks. */
1536 g_raid_md_write_nvidia(md, NULL, NULL, tdisk);
1537
1538 /* Check if anything left except placeholders. */
1539 if (g_raid_ndisks(sc, -1) ==
1540 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1541 g_raid_destroy_node(sc, 0);
1542 else
1543 g_raid_md_nvidia_refill(sc);
1544 return (0);
1545 }
1546
1547 static int
1548 g_raid_md_free_disk_nvidia(struct g_raid_md_object *md,
1549 struct g_raid_disk *disk)
1550 {
1551 struct g_raid_md_nvidia_perdisk *pd;
1552
1553 pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
1554 if (pd->pd_meta != NULL) {
1555 free(pd->pd_meta, M_MD_NVIDIA);
1556 pd->pd_meta = NULL;
1557 }
1558 free(pd, M_MD_NVIDIA);
1559 disk->d_md_data = NULL;
1560 return (0);
1561 }
1562
1563 static int
1564 g_raid_md_free_nvidia(struct g_raid_md_object *md)
1565 {
1566 struct g_raid_md_nvidia_object *mdi;
1567
1568 mdi = (struct g_raid_md_nvidia_object *)md;
1569 if (!mdi->mdio_started) {
1570 mdi->mdio_started = 0;
1571 callout_stop(&mdi->mdio_start_co);
1572 G_RAID_DEBUG1(1, md->mdo_softc,
1573 "root_mount_rel %p", mdi->mdio_rootmount);
1574 root_mount_rel(mdi->mdio_rootmount);
1575 mdi->mdio_rootmount = NULL;
1576 }
1577 if (mdi->mdio_meta != NULL) {
1578 free(mdi->mdio_meta, M_MD_NVIDIA);
1579 mdi->mdio_meta = NULL;
1580 }
1581 return (0);
1582 }
1583
1584 G_RAID_MD_DECLARE(nvidia, "NVIDIA");
Cache object: 41fff91677bdf52cee7bb07a74089eef
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