FreeBSD/Linux Kernel Cross Reference
sys/dev/ata/ata-raid.c
1 /*-
2 * Copyright (c) 2000 - 2008 Søren Schmidt <sos@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
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 AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD: releng/8.4/sys/dev/ata/ata-raid.c 245802 2013-01-22 17:21:08Z mav $");
29
30 #include "opt_ata.h"
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/ata.h>
34 #include <sys/kernel.h>
35 #include <sys/malloc.h>
36 #include <sys/module.h>
37 #include <sys/endian.h>
38 #include <sys/bio.h>
39 #include <sys/bus.h>
40 #include <sys/conf.h>
41 #include <sys/disk.h>
42 #include <sys/cons.h>
43 #include <sys/sema.h>
44 #include <sys/taskqueue.h>
45 #include <vm/uma.h>
46 #include <machine/bus.h>
47 #include <sys/rman.h>
48 #include <dev/pci/pcivar.h>
49 #include <geom/geom_disk.h>
50 #include <dev/ata/ata-all.h>
51 #include <dev/ata/ata-disk.h>
52 #include <dev/ata/ata-raid.h>
53 #include <dev/ata/ata-raid-ddf.h>
54 #include <dev/ata/ata-pci.h>
55 #include <ata_if.h>
56
57 /* prototypes */
58 static void ata_raid_done(struct ata_request *request);
59 static void ata_raid_config_changed(struct ar_softc *rdp, int writeback);
60 static int ata_raid_status(struct ata_ioc_raid_status *status);
61 static int ata_raid_create(struct ata_ioc_raid_config *config);
62 static int ata_raid_delete(int array);
63 static int ata_raid_addspare(struct ata_ioc_raid_config *config);
64 static int ata_raid_rebuild(int array);
65 static int ata_raid_read_metadata(device_t subdisk);
66 static int ata_raid_write_metadata(struct ar_softc *rdp);
67 static int ata_raid_wipe_metadata(struct ar_softc *rdp);
68 static int ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp);
69 static int ata_raid_ddf_read_meta(device_t dev, struct ar_softc **raidp);
70 static int ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp);
71 static int ata_raid_hptv2_write_meta(struct ar_softc *rdp);
72 static int ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp);
73 static int ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp);
74 static int ata_raid_intel_write_meta(struct ar_softc *rdp);
75 static int ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp);
76 static int ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp);
77 static int ata_raid_jmicron_write_meta(struct ar_softc *rdp);
78 static int ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp);
79 static int ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp);
80 static int ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp);
81 static int ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native);
82 static int ata_raid_promise_write_meta(struct ar_softc *rdp);
83 static int ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp);
84 static int ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp);
85 static int ata_raid_sis_write_meta(struct ar_softc *rdp);
86 static int ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp);
87 static int ata_raid_via_write_meta(struct ar_softc *rdp);
88 static struct ata_request *ata_raid_init_request(device_t dev, struct ar_softc *rdp, struct bio *bio);
89 static int ata_raid_send_request(struct ata_request *request);
90 static int ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags);
91 static char * ata_raid_format(struct ar_softc *rdp);
92 static char * ata_raid_type(struct ar_softc *rdp);
93 static char * ata_raid_flags(struct ar_softc *rdp);
94
95 /* debugging only */
96 static void ata_raid_print_meta(struct ar_softc *meta);
97 static void ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta);
98 static void ata_raid_ddf_print_meta(uint8_t *meta);
99 static void ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta);
100 static void ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta);
101 static void ata_raid_intel_print_meta(struct intel_raid_conf *meta);
102 static void ata_raid_ite_print_meta(struct ite_raid_conf *meta);
103 static void ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta);
104 static void ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta);
105 static void ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta);
106 static void ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta);
107 static void ata_raid_promise_print_meta(struct promise_raid_conf *meta);
108 static void ata_raid_sii_print_meta(struct sii_raid_conf *meta);
109 static void ata_raid_sis_print_meta(struct sis_raid_conf *meta);
110 static void ata_raid_via_print_meta(struct via_raid_conf *meta);
111
112 /* internal vars */
113 static struct ar_softc *ata_raid_arrays[MAX_ARRAYS];
114 static MALLOC_DEFINE(M_AR, "ar_driver", "ATA PseudoRAID driver");
115 static devclass_t ata_raid_sub_devclass;
116 static int testing = 0;
117
118 /* device structures */
119 static disk_strategy_t ata_raid_strategy;
120 static dumper_t ata_raid_dump;
121
122 static void
123 ata_raid_attach(struct ar_softc *rdp, int writeback)
124 {
125 char buffer[32];
126 int disk;
127
128 mtx_init(&rdp->lock, "ATA PseudoRAID metadata lock", NULL, MTX_DEF);
129 ata_raid_config_changed(rdp, writeback);
130
131 /* sanitize arrays total_size % (width * interleave) == 0 */
132 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 ||
133 rdp->type == AR_T_RAID5) {
134 rdp->total_sectors = (rdp->total_sectors/(rdp->interleave*rdp->width))*
135 (rdp->interleave * rdp->width);
136 sprintf(buffer, " (stripe %d KB)",
137 (rdp->interleave * DEV_BSIZE) / 1024);
138 }
139 else
140 buffer[0] = '\0';
141 rdp->disk = disk_alloc();
142 rdp->disk->d_strategy = ata_raid_strategy;
143 rdp->disk->d_dump = ata_raid_dump;
144 rdp->disk->d_name = "ar";
145 rdp->disk->d_sectorsize = DEV_BSIZE;
146 rdp->disk->d_mediasize = (off_t)rdp->total_sectors * DEV_BSIZE;
147 rdp->disk->d_fwsectors = rdp->sectors;
148 rdp->disk->d_fwheads = rdp->heads;
149 rdp->disk->d_maxsize = 128 * DEV_BSIZE;
150 rdp->disk->d_drv1 = rdp;
151 rdp->disk->d_unit = rdp->lun;
152 /* we support flushing cache if all components support it */
153 /* XXX: not all components can be connected at this point */
154 rdp->disk->d_flags = DISKFLAG_CANFLUSHCACHE;
155 for (disk = 0; disk < rdp->total_disks; disk++) {
156 struct ata_device *atadev;
157
158 if (rdp->disks[disk].dev == NULL)
159 continue;
160 if ((atadev = device_get_softc(rdp->disks[disk].dev)) == NULL)
161 continue;
162 if (atadev->param.support.command2 & ATA_SUPPORT_FLUSHCACHE)
163 continue;
164 rdp->disk->d_flags = 0;
165 break;
166 }
167 disk_create(rdp->disk, DISK_VERSION);
168
169 printf("ar%d: %juMB <%s %s%s> status: %s\n", rdp->lun,
170 rdp->total_sectors / ((1024L * 1024L) / DEV_BSIZE),
171 ata_raid_format(rdp), ata_raid_type(rdp),
172 buffer, ata_raid_flags(rdp));
173
174 if (testing || bootverbose)
175 printf("ar%d: %ju sectors [%dC/%dH/%dS] <%s> subdisks defined as:\n",
176 rdp->lun, rdp->total_sectors,
177 rdp->cylinders, rdp->heads, rdp->sectors, rdp->name);
178
179 for (disk = 0; disk < rdp->total_disks; disk++) {
180 printf("ar%d: disk%d ", rdp->lun, disk);
181 if (rdp->disks[disk].dev) {
182 if (rdp->disks[disk].flags & AR_DF_PRESENT) {
183 /* status of this disk in the array */
184 if (rdp->disks[disk].flags & AR_DF_ONLINE)
185 printf("READY ");
186 else if (rdp->disks[disk].flags & AR_DF_SPARE)
187 printf("SPARE ");
188 else
189 printf("FREE ");
190
191 /* what type of disk is this in the array */
192 switch (rdp->type) {
193 case AR_T_RAID1:
194 case AR_T_RAID01:
195 if (disk < rdp->width)
196 printf("(master) ");
197 else
198 printf("(mirror) ");
199 }
200
201 /* which physical disk is used */
202 printf("using %s at ata%d-%s\n",
203 device_get_nameunit(rdp->disks[disk].dev),
204 device_get_unit(device_get_parent(rdp->disks[disk].dev)),
205 (((struct ata_device *)
206 device_get_softc(rdp->disks[disk].dev))->unit ==
207 ATA_MASTER) ? "master" : "slave");
208 }
209 else if (rdp->disks[disk].flags & AR_DF_ASSIGNED)
210 printf("DOWN\n");
211 else
212 printf("INVALID no RAID config on this subdisk\n");
213 }
214 else
215 printf("DOWN no device found for this subdisk\n");
216 }
217 }
218
219 static int
220 ata_raid_ioctl(u_long cmd, caddr_t data)
221 {
222 struct ata_ioc_raid_status *status = (struct ata_ioc_raid_status *)data;
223 struct ata_ioc_raid_config *config = (struct ata_ioc_raid_config *)data;
224 int *lun = (int *)data;
225 int error = EOPNOTSUPP;
226
227 switch (cmd) {
228 case IOCATARAIDSTATUS:
229 error = ata_raid_status(status);
230 break;
231
232 case IOCATARAIDCREATE:
233 error = ata_raid_create(config);
234 break;
235
236 case IOCATARAIDDELETE:
237 error = ata_raid_delete(*lun);
238 break;
239
240 case IOCATARAIDADDSPARE:
241 error = ata_raid_addspare(config);
242 break;
243
244 case IOCATARAIDREBUILD:
245 error = ata_raid_rebuild(*lun);
246 break;
247 }
248 return error;
249 }
250
251 static int
252 ata_raid_flush(struct bio *bp)
253 {
254 struct ar_softc *rdp = bp->bio_disk->d_drv1;
255 struct ata_request *request;
256 device_t dev;
257 int disk, error;
258
259 error = 0;
260 bp->bio_pflags = 0;
261
262 for (disk = 0; disk < rdp->total_disks; disk++) {
263 if ((dev = rdp->disks[disk].dev) != NULL)
264 bp->bio_pflags++;
265 }
266 for (disk = 0; disk < rdp->total_disks; disk++) {
267 if ((dev = rdp->disks[disk].dev) == NULL)
268 continue;
269 if (!(request = ata_raid_init_request(dev, rdp, bp)))
270 return ENOMEM;
271 request->dev = dev;
272 request->u.ata.command = ATA_FLUSHCACHE;
273 request->u.ata.lba = 0;
274 request->u.ata.count = 0;
275 request->u.ata.feature = 0;
276 request->timeout = ATA_REQUEST_TIMEOUT;
277 request->retries = 0;
278 request->flags |= ATA_R_ORDERED | ATA_R_DIRECT;
279 ata_queue_request(request);
280 }
281 return 0;
282 }
283
284 static void
285 ata_raid_strategy(struct bio *bp)
286 {
287 struct ar_softc *rdp = bp->bio_disk->d_drv1;
288 struct ata_request *request;
289 caddr_t data;
290 u_int64_t blkno, lba, blk = 0;
291 int count, chunk, drv, par = 0, change = 0;
292
293 if (bp->bio_cmd == BIO_FLUSH) {
294 int error;
295
296 error = ata_raid_flush(bp);
297 if (error != 0)
298 biofinish(bp, NULL, error);
299 return;
300 }
301
302 if (!(rdp->status & AR_S_READY) ||
303 (bp->bio_cmd != BIO_READ && bp->bio_cmd != BIO_WRITE)) {
304 biofinish(bp, NULL, EIO);
305 return;
306 }
307
308 bp->bio_resid = bp->bio_bcount;
309 for (count = howmany(bp->bio_bcount, DEV_BSIZE),
310 blkno = bp->bio_pblkno, data = bp->bio_data;
311 count > 0;
312 count -= chunk, blkno += chunk, data += (chunk * DEV_BSIZE)) {
313
314 switch (rdp->type) {
315 case AR_T_RAID1:
316 drv = 0;
317 lba = blkno;
318 chunk = count;
319 break;
320
321 case AR_T_JBOD:
322 case AR_T_SPAN:
323 drv = 0;
324 lba = blkno;
325 while (lba >= rdp->disks[drv].sectors)
326 lba -= rdp->disks[drv++].sectors;
327 chunk = min(rdp->disks[drv].sectors - lba, count);
328 break;
329
330 case AR_T_RAID0:
331 case AR_T_RAID01:
332 chunk = blkno % rdp->interleave;
333 drv = (blkno / rdp->interleave) % rdp->width;
334 lba = (((blkno/rdp->interleave)/rdp->width)*rdp->interleave)+chunk;
335 chunk = min(count, rdp->interleave - chunk);
336 break;
337
338 case AR_T_RAID5:
339 drv = (blkno / rdp->interleave) % (rdp->width - 1);
340 par = rdp->width - 1 -
341 (blkno / (rdp->interleave * (rdp->width - 1))) % rdp->width;
342 if (drv >= par)
343 drv++;
344 lba = ((blkno/rdp->interleave)/(rdp->width-1))*(rdp->interleave) +
345 ((blkno%(rdp->interleave*(rdp->width-1)))%rdp->interleave);
346 chunk = min(count, rdp->interleave - (lba % rdp->interleave));
347 break;
348
349 default:
350 printf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun);
351 biofinish(bp, NULL, EIO);
352 return;
353 }
354
355 /* offset on all but "first on HPTv2" */
356 if (!(drv == 0 && rdp->format == AR_F_HPTV2_RAID))
357 lba += rdp->offset_sectors;
358
359 if (!(request = ata_raid_init_request(rdp->disks[drv].dev, rdp, bp))) {
360 biofinish(bp, NULL, EIO);
361 return;
362 }
363 request->data = data;
364 request->bytecount = chunk * DEV_BSIZE;
365 request->u.ata.lba = lba;
366 request->u.ata.count = request->bytecount / DEV_BSIZE;
367
368 switch (rdp->type) {
369 case AR_T_JBOD:
370 case AR_T_SPAN:
371 case AR_T_RAID0:
372 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) ==
373 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) {
374 rdp->disks[drv].flags &= ~AR_DF_ONLINE;
375 ata_raid_config_changed(rdp, 1);
376 ata_free_request(request);
377 biofinish(bp, NULL, EIO);
378 return;
379 }
380 request->this = drv;
381 request->dev = rdp->disks[drv].dev;
382 ata_raid_send_request(request);
383 break;
384
385 case AR_T_RAID1:
386 case AR_T_RAID01:
387 if ((rdp->disks[drv].flags &
388 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) &&
389 !rdp->disks[drv].dev) {
390 rdp->disks[drv].flags &= ~AR_DF_ONLINE;
391 change = 1;
392 }
393 if ((rdp->disks[drv + rdp->width].flags &
394 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) &&
395 !rdp->disks[drv + rdp->width].dev) {
396 rdp->disks[drv + rdp->width].flags &= ~AR_DF_ONLINE;
397 change = 1;
398 }
399 if (change)
400 ata_raid_config_changed(rdp, 1);
401 if (!(rdp->status & AR_S_READY)) {
402 ata_free_request(request);
403 biofinish(bp, NULL, EIO);
404 return;
405 }
406
407 if (rdp->status & AR_S_REBUILDING)
408 blk = ((lba / rdp->interleave) * rdp->width) * rdp->interleave +
409 (rdp->interleave * (drv % rdp->width)) +
410 lba % rdp->interleave;
411
412 if (bp->bio_cmd == BIO_READ) {
413 int src_online =
414 (rdp->disks[drv].flags & AR_DF_ONLINE);
415 int mir_online =
416 (rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE);
417
418 /* if mirror gone or close to last access on source */
419 if (!mir_online ||
420 ((src_online) &&
421 bp->bio_pblkno >=
422 (rdp->disks[drv].last_lba - AR_PROXIMITY) &&
423 bp->bio_pblkno <=
424 (rdp->disks[drv].last_lba + AR_PROXIMITY))) {
425 rdp->toggle = 0;
426 }
427 /* if source gone or close to last access on mirror */
428 else if (!src_online ||
429 ((mir_online) &&
430 bp->bio_pblkno >=
431 (rdp->disks[drv+rdp->width].last_lba-AR_PROXIMITY) &&
432 bp->bio_pblkno <=
433 (rdp->disks[drv+rdp->width].last_lba+AR_PROXIMITY))) {
434 drv += rdp->width;
435 rdp->toggle = 1;
436 }
437 /* not close to any previous access, toggle */
438 else {
439 if (rdp->toggle)
440 rdp->toggle = 0;
441 else {
442 drv += rdp->width;
443 rdp->toggle = 1;
444 }
445 }
446
447 if ((rdp->status & AR_S_REBUILDING) &&
448 (blk <= rdp->rebuild_lba) &&
449 ((blk + chunk) > rdp->rebuild_lba)) {
450 struct ata_composite *composite;
451 struct ata_request *rebuild;
452 int this;
453
454 /* figure out what part to rebuild */
455 if (drv < rdp->width)
456 this = drv + rdp->width;
457 else
458 this = drv - rdp->width;
459
460 /* do we have a spare to rebuild on ? */
461 if (rdp->disks[this].flags & AR_DF_SPARE) {
462 if ((composite = ata_alloc_composite())) {
463 if ((rebuild = ata_raid_init_request(
464 rdp->disks[this].dev, rdp, bp))) {
465 rdp->rebuild_lba = blk + chunk;
466 rebuild->data = request->data;
467 rebuild->bytecount = request->bytecount;
468 rebuild->u.ata.lba = request->u.ata.lba;
469 rebuild->u.ata.count = request->u.ata.count;
470 rebuild->this = this;
471 rebuild->flags &= ~ATA_R_READ;
472 rebuild->flags |= ATA_R_WRITE;
473 mtx_init(&composite->lock,
474 "ATA PseudoRAID rebuild lock",
475 NULL, MTX_DEF);
476 composite->residual = request->bytecount;
477 composite->rd_needed |= (1 << drv);
478 composite->wr_depend |= (1 << drv);
479 composite->wr_needed |= (1 << this);
480 composite->request[drv] = request;
481 composite->request[this] = rebuild;
482 request->composite = composite;
483 rebuild->composite = composite;
484 ata_raid_send_request(rebuild);
485 }
486 else {
487 ata_free_composite(composite);
488 printf("DOH! ata_alloc_request failed!\n");
489 }
490 }
491 else {
492 printf("DOH! ata_alloc_composite failed!\n");
493 }
494 }
495 else if (rdp->disks[this].flags & AR_DF_ONLINE) {
496 /*
497 * if we got here we are a chunk of a RAID01 that
498 * does not need a rebuild, but we need to increment
499 * the rebuild_lba address to get the rebuild to
500 * move to the next chunk correctly
501 */
502 rdp->rebuild_lba = blk + chunk;
503 }
504 else
505 printf("DOH! we didn't find the rebuild part\n");
506 }
507 }
508 if (bp->bio_cmd == BIO_WRITE) {
509 if ((rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE) ||
510 ((rdp->status & AR_S_REBUILDING) &&
511 (rdp->disks[drv+rdp->width].flags & AR_DF_SPARE) &&
512 ((blk < rdp->rebuild_lba) ||
513 ((blk <= rdp->rebuild_lba) &&
514 ((blk + chunk) > rdp->rebuild_lba))))) {
515 if ((rdp->disks[drv].flags & AR_DF_ONLINE) ||
516 ((rdp->status & AR_S_REBUILDING) &&
517 (rdp->disks[drv].flags & AR_DF_SPARE) &&
518 ((blk < rdp->rebuild_lba) ||
519 ((blk <= rdp->rebuild_lba) &&
520 ((blk + chunk) > rdp->rebuild_lba))))) {
521 struct ata_request *mirror;
522 struct ata_composite *composite;
523 int this = drv + rdp->width;
524
525 if ((composite = ata_alloc_composite())) {
526 if ((mirror = ata_raid_init_request(
527 rdp->disks[this].dev, rdp, bp))) {
528 if ((blk <= rdp->rebuild_lba) &&
529 ((blk + chunk) > rdp->rebuild_lba))
530 rdp->rebuild_lba = blk + chunk;
531 mirror->data = request->data;
532 mirror->bytecount = request->bytecount;
533 mirror->u.ata.lba = request->u.ata.lba;
534 mirror->u.ata.count = request->u.ata.count;
535 mirror->this = this;
536 mtx_init(&composite->lock,
537 "ATA PseudoRAID mirror lock",
538 NULL, MTX_DEF);
539 composite->residual = request->bytecount;
540 composite->wr_needed |= (1 << drv);
541 composite->wr_needed |= (1 << this);
542 composite->request[drv] = request;
543 composite->request[this] = mirror;
544 request->composite = composite;
545 mirror->composite = composite;
546 ata_raid_send_request(mirror);
547 rdp->disks[this].last_lba =
548 bp->bio_pblkno + chunk;
549 }
550 else {
551 ata_free_composite(composite);
552 printf("DOH! ata_alloc_request failed!\n");
553 }
554 }
555 else {
556 printf("DOH! ata_alloc_composite failed!\n");
557 }
558 }
559 else
560 drv += rdp->width;
561 }
562 }
563 request->this = drv;
564 request->dev = rdp->disks[request->this].dev;
565 ata_raid_send_request(request);
566 rdp->disks[request->this].last_lba = bp->bio_pblkno + chunk;
567 break;
568
569 case AR_T_RAID5:
570 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) ==
571 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) {
572 rdp->disks[drv].flags &= ~AR_DF_ONLINE;
573 change = 1;
574 }
575 if (((rdp->disks[par].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) ==
576 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[par].dev)) {
577 rdp->disks[par].flags &= ~AR_DF_ONLINE;
578 change = 1;
579 }
580 if (change)
581 ata_raid_config_changed(rdp, 1);
582 if (!(rdp->status & AR_S_READY)) {
583 ata_free_request(request);
584 biofinish(bp, NULL, EIO);
585 return;
586 }
587 if (rdp->status & AR_S_DEGRADED) {
588 /* do the XOR game if possible */
589 }
590 else {
591 request->this = drv;
592 request->dev = rdp->disks[request->this].dev;
593 if (bp->bio_cmd == BIO_READ) {
594 ata_raid_send_request(request);
595 }
596 if (bp->bio_cmd == BIO_WRITE) {
597 ata_raid_send_request(request);
598 // sikre at læs-modify-skriv til hver disk er atomarisk.
599 // par kopi af request
600 // læse orgdata fra drv
601 // skriv nydata til drv
602 // læse parorgdata fra par
603 // skriv orgdata xor parorgdata xor nydata til par
604 }
605 }
606 break;
607
608 default:
609 printf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun);
610 }
611 }
612 }
613
614 static void
615 ata_raid_done(struct ata_request *request)
616 {
617 struct ar_softc *rdp = request->driver;
618 struct ata_composite *composite = NULL;
619 struct bio *bp = request->bio;
620 int i, mirror, finished = 0;
621
622 if (bp->bio_cmd == BIO_FLUSH) {
623 if (bp->bio_error == 0)
624 bp->bio_error = request->result;
625 ata_free_request(request);
626 if (--bp->bio_pflags == 0)
627 biodone(bp);
628 return;
629 }
630
631 switch (rdp->type) {
632 case AR_T_JBOD:
633 case AR_T_SPAN:
634 case AR_T_RAID0:
635 if (request->result) {
636 rdp->disks[request->this].flags &= ~AR_DF_ONLINE;
637 ata_raid_config_changed(rdp, 1);
638 bp->bio_error = request->result;
639 finished = 1;
640 }
641 else {
642 bp->bio_resid -= request->donecount;
643 if (!bp->bio_resid)
644 finished = 1;
645 }
646 break;
647
648 case AR_T_RAID1:
649 case AR_T_RAID01:
650 if (request->this < rdp->width)
651 mirror = request->this + rdp->width;
652 else
653 mirror = request->this - rdp->width;
654 if (request->result) {
655 rdp->disks[request->this].flags &= ~AR_DF_ONLINE;
656 ata_raid_config_changed(rdp, 1);
657 }
658 if (rdp->status & AR_S_READY) {
659 u_int64_t blk = 0;
660
661 if (rdp->status & AR_S_REBUILDING)
662 blk = ((request->u.ata.lba / rdp->interleave) * rdp->width) *
663 rdp->interleave + (rdp->interleave *
664 (request->this % rdp->width)) +
665 request->u.ata.lba % rdp->interleave;
666
667 if (bp->bio_cmd == BIO_READ) {
668
669 /* is this a rebuild composite */
670 if ((composite = request->composite)) {
671 mtx_lock(&composite->lock);
672
673 /* handle the read part of a rebuild composite */
674 if (request->flags & ATA_R_READ) {
675
676 /* if read failed array is now broken */
677 if (request->result) {
678 rdp->disks[request->this].flags &= ~AR_DF_ONLINE;
679 ata_raid_config_changed(rdp, 1);
680 bp->bio_error = request->result;
681 rdp->rebuild_lba = blk;
682 finished = 1;
683 }
684
685 /* good data, update how far we've gotten */
686 else {
687 bp->bio_resid -= request->donecount;
688 composite->residual -= request->donecount;
689 if (!composite->residual) {
690 if (composite->wr_done & (1 << mirror))
691 finished = 1;
692 }
693 }
694 }
695
696 /* handle the write part of a rebuild composite */
697 else if (request->flags & ATA_R_WRITE) {
698 if (composite->rd_done & (1 << mirror)) {
699 if (request->result) {
700 printf("DOH! rebuild failed\n"); /* XXX SOS */
701 rdp->rebuild_lba = blk;
702 }
703 if (!composite->residual)
704 finished = 1;
705 }
706 }
707 mtx_unlock(&composite->lock);
708 }
709
710 /* if read failed retry on the mirror */
711 else if (request->result) {
712 request->dev = rdp->disks[mirror].dev;
713 request->flags &= ~ATA_R_TIMEOUT;
714 ata_raid_send_request(request);
715 return;
716 }
717
718 /* we have good data */
719 else {
720 bp->bio_resid -= request->donecount;
721 if (!bp->bio_resid)
722 finished = 1;
723 }
724 }
725 else if (bp->bio_cmd == BIO_WRITE) {
726 /* do we have a mirror or rebuild to deal with ? */
727 if ((composite = request->composite)) {
728 mtx_lock(&composite->lock);
729 if (composite->wr_done & (1 << mirror)) {
730 if (request->result) {
731 if (composite->request[mirror]->result) {
732 printf("DOH! all disks failed and got here\n");
733 bp->bio_error = EIO;
734 }
735 if (rdp->status & AR_S_REBUILDING) {
736 rdp->rebuild_lba = blk;
737 printf("DOH! rebuild failed\n"); /* XXX SOS */
738 }
739 bp->bio_resid -=
740 composite->request[mirror]->donecount;
741 composite->residual -=
742 composite->request[mirror]->donecount;
743 }
744 else {
745 bp->bio_resid -= request->donecount;
746 composite->residual -= request->donecount;
747 }
748 if (!composite->residual)
749 finished = 1;
750 }
751 mtx_unlock(&composite->lock);
752 }
753 /* no mirror we are done */
754 else {
755 bp->bio_resid -= request->donecount;
756 if (!bp->bio_resid)
757 finished = 1;
758 }
759 }
760 }
761 else
762 biofinish(bp, NULL, request->result);
763 break;
764
765 case AR_T_RAID5:
766 if (request->result) {
767 rdp->disks[request->this].flags &= ~AR_DF_ONLINE;
768 ata_raid_config_changed(rdp, 1);
769 if (rdp->status & AR_S_READY) {
770 if (bp->bio_cmd == BIO_READ) {
771 /* do the XOR game to recover data */
772 }
773 if (bp->bio_cmd == BIO_WRITE) {
774 /* if the parity failed we're OK sortof */
775 /* otherwise wee need to do the XOR long dance */
776 }
777 finished = 1;
778 }
779 else
780 biofinish(bp, NULL, request->result);
781 }
782 else {
783 // did we have an XOR game going ??
784 bp->bio_resid -= request->donecount;
785 if (!bp->bio_resid)
786 finished = 1;
787 }
788 break;
789
790 default:
791 printf("ar%d: unknown array type in ata_raid_done\n", rdp->lun);
792 }
793
794 if (finished) {
795 if ((rdp->status & AR_S_REBUILDING) &&
796 rdp->rebuild_lba >= rdp->total_sectors) {
797 int disk;
798
799 for (disk = 0; disk < rdp->total_disks; disk++) {
800 if ((rdp->disks[disk].flags &
801 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) ==
802 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) {
803 rdp->disks[disk].flags &= ~AR_DF_SPARE;
804 rdp->disks[disk].flags |= AR_DF_ONLINE;
805 }
806 }
807 rdp->status &= ~AR_S_REBUILDING;
808 ata_raid_config_changed(rdp, 1);
809 }
810 if (!bp->bio_resid)
811 biodone(bp);
812 }
813
814 if (composite) {
815 if (finished) {
816 /* we are done with this composite, free all resources */
817 for (i = 0; i < 32; i++) {
818 if (composite->rd_needed & (1 << i) ||
819 composite->wr_needed & (1 << i)) {
820 ata_free_request(composite->request[i]);
821 }
822 }
823 mtx_destroy(&composite->lock);
824 ata_free_composite(composite);
825 }
826 }
827 else
828 ata_free_request(request);
829 }
830
831 static int
832 ata_raid_dump(void *arg, void *virtual, vm_offset_t physical,
833 off_t offset, size_t length)
834 {
835 struct disk *dp = arg;
836 struct ar_softc *rdp = dp->d_drv1;
837 struct bio bp;
838
839 /* length zero is special and really means flush buffers to media */
840 if (!length) {
841 int disk, error;
842
843 for (disk = 0, error = 0; disk < rdp->total_disks; disk++)
844 if (rdp->disks[disk].dev)
845 error |= ata_controlcmd(rdp->disks[disk].dev,
846 ATA_FLUSHCACHE, 0, 0, 0);
847 return (error ? EIO : 0);
848 }
849
850 bzero(&bp, sizeof(struct bio));
851 bp.bio_disk = dp;
852 bp.bio_pblkno = offset / DEV_BSIZE;
853 bp.bio_bcount = length;
854 bp.bio_data = virtual;
855 bp.bio_cmd = BIO_WRITE;
856 ata_raid_strategy(&bp);
857 return bp.bio_error;
858 }
859
860 static void
861 ata_raid_config_changed(struct ar_softc *rdp, int writeback)
862 {
863 int disk, count, status;
864
865 mtx_lock(&rdp->lock);
866
867 /* set default all working mode */
868 status = rdp->status;
869 rdp->status &= ~AR_S_DEGRADED;
870 rdp->status |= AR_S_READY;
871
872 /* make sure all lost drives are accounted for */
873 for (disk = 0; disk < rdp->total_disks; disk++) {
874 if (!(rdp->disks[disk].flags & AR_DF_PRESENT))
875 rdp->disks[disk].flags &= ~AR_DF_ONLINE;
876 }
877
878 /* depending on RAID type figure out our health status */
879 switch (rdp->type) {
880 case AR_T_JBOD:
881 case AR_T_SPAN:
882 case AR_T_RAID0:
883 for (disk = 0; disk < rdp->total_disks; disk++)
884 if (!(rdp->disks[disk].flags & AR_DF_ONLINE))
885 rdp->status &= ~AR_S_READY;
886 break;
887
888 case AR_T_RAID1:
889 case AR_T_RAID01:
890 for (disk = 0; disk < rdp->width; disk++) {
891 if (!(rdp->disks[disk].flags & AR_DF_ONLINE) &&
892 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) {
893 rdp->status &= ~AR_S_READY;
894 }
895 else if (((rdp->disks[disk].flags & AR_DF_ONLINE) &&
896 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) ||
897 (!(rdp->disks[disk].flags & AR_DF_ONLINE) &&
898 (rdp->disks [disk + rdp->width].flags & AR_DF_ONLINE))) {
899 rdp->status |= AR_S_DEGRADED;
900 }
901 }
902 break;
903
904 case AR_T_RAID5:
905 for (count = 0, disk = 0; disk < rdp->total_disks; disk++) {
906 if (!(rdp->disks[disk].flags & AR_DF_ONLINE))
907 count++;
908 }
909 if (count) {
910 if (count > 1)
911 rdp->status &= ~AR_S_READY;
912 else
913 rdp->status |= AR_S_DEGRADED;
914 }
915 break;
916 default:
917 rdp->status &= ~AR_S_READY;
918 }
919
920 if (rdp->status != status) {
921
922 /* raid status has changed, update metadata */
923 writeback = 1;
924
925 /* announce we have trouble ahead */
926 if (!(rdp->status & AR_S_READY)) {
927 printf("ar%d: FAILURE - %s array broken\n",
928 rdp->lun, ata_raid_type(rdp));
929 }
930 else if (rdp->status & AR_S_DEGRADED) {
931 if (rdp->type & (AR_T_RAID1 | AR_T_RAID01))
932 printf("ar%d: WARNING - mirror", rdp->lun);
933 else
934 printf("ar%d: WARNING - parity", rdp->lun);
935 printf(" protection lost. %s array in DEGRADED mode\n",
936 ata_raid_type(rdp));
937 }
938 }
939 mtx_unlock(&rdp->lock);
940 if (writeback)
941 ata_raid_write_metadata(rdp);
942
943 }
944
945 static int
946 ata_raid_status(struct ata_ioc_raid_status *status)
947 {
948 struct ar_softc *rdp;
949 int i;
950
951 if (!(rdp = ata_raid_arrays[status->lun]))
952 return ENXIO;
953
954 status->type = rdp->type;
955 status->total_disks = rdp->total_disks;
956 for (i = 0; i < rdp->total_disks; i++ ) {
957 status->disks[i].state = 0;
958 if ((rdp->disks[i].flags & AR_DF_PRESENT) && rdp->disks[i].dev) {
959 status->disks[i].lun = device_get_unit(rdp->disks[i].dev);
960 if (rdp->disks[i].flags & AR_DF_PRESENT)
961 status->disks[i].state |= AR_DISK_PRESENT;
962 if (rdp->disks[i].flags & AR_DF_ONLINE)
963 status->disks[i].state |= AR_DISK_ONLINE;
964 if (rdp->disks[i].flags & AR_DF_SPARE)
965 status->disks[i].state |= AR_DISK_SPARE;
966 } else
967 status->disks[i].lun = -1;
968 }
969 status->interleave = rdp->interleave;
970 status->status = rdp->status;
971 status->progress = 100 * rdp->rebuild_lba / rdp->total_sectors;
972 return 0;
973 }
974
975 static int
976 ata_raid_create(struct ata_ioc_raid_config *config)
977 {
978 struct ar_softc *rdp;
979 device_t subdisk;
980 int array, disk;
981 int ctlr = 0, disk_size = 0, total_disks = 0;
982
983 for (array = 0; array < MAX_ARRAYS; array++) {
984 if (!ata_raid_arrays[array])
985 break;
986 }
987 if (array >= MAX_ARRAYS)
988 return ENOSPC;
989
990 if (!(rdp = (struct ar_softc*)malloc(sizeof(struct ar_softc), M_AR,
991 M_NOWAIT | M_ZERO))) {
992 printf("ar%d: no memory for metadata storage\n", array);
993 return ENOMEM;
994 }
995
996 for (disk = 0; disk < config->total_disks; disk++) {
997 if ((subdisk = devclass_get_device(ata_raid_sub_devclass,
998 config->disks[disk]))) {
999 struct ata_raid_subdisk *ars = device_get_softc(subdisk);
1000
1001 /* is device already assigned to another array ? */
1002 if (ars->raid[rdp->volume]) {
1003 config->disks[disk] = -1;
1004 free(rdp, M_AR);
1005 return EBUSY;
1006 }
1007 rdp->disks[disk].dev = device_get_parent(subdisk);
1008
1009 switch (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev))) {
1010 case ATA_HIGHPOINT_ID:
1011 /*
1012 * we need some way to decide if it should be v2 or v3
1013 * for now just use v2 since the v3 BIOS knows how to
1014 * handle that as well.
1015 */
1016 ctlr = AR_F_HPTV2_RAID;
1017 rdp->disks[disk].sectors = HPTV3_LBA(rdp->disks[disk].dev);
1018 break;
1019
1020 case ATA_INTEL_ID:
1021 ctlr = AR_F_INTEL_RAID;
1022 rdp->disks[disk].sectors = INTEL_LBA(rdp->disks[disk].dev);
1023 break;
1024
1025 case ATA_ITE_ID:
1026 ctlr = AR_F_ITE_RAID;
1027 rdp->disks[disk].sectors = ITE_LBA(rdp->disks[disk].dev);
1028 break;
1029
1030 case ATA_JMICRON_ID:
1031 ctlr = AR_F_JMICRON_RAID;
1032 rdp->disks[disk].sectors = JMICRON_LBA(rdp->disks[disk].dev);
1033 break;
1034
1035 case 0: /* XXX SOS cover up for bug in our PCI code */
1036 case ATA_PROMISE_ID:
1037 ctlr = AR_F_PROMISE_RAID;
1038 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev);
1039 break;
1040
1041 case ATA_SIS_ID:
1042 ctlr = AR_F_SIS_RAID;
1043 rdp->disks[disk].sectors = SIS_LBA(rdp->disks[disk].dev);
1044 break;
1045
1046 case ATA_ATI_ID:
1047 case ATA_VIA_ID:
1048 ctlr = AR_F_VIA_RAID;
1049 rdp->disks[disk].sectors = VIA_LBA(rdp->disks[disk].dev);
1050 break;
1051
1052 default:
1053 /* XXX SOS
1054 * right, so here we are, we have an ATA chip and we want
1055 * to create a RAID and store the metadata.
1056 * we need to find a way to tell what kind of metadata this
1057 * hardware's BIOS might be using (good ideas are welcomed)
1058 * for now we just use our own native FreeBSD format.
1059 * the only way to get support for the BIOS format is to
1060 * setup the RAID from there, in that case we pickup the
1061 * metadata format from the disks (if we support it).
1062 */
1063 printf("WARNING!! - not able to determine metadata format\n"
1064 "WARNING!! - Using FreeBSD PseudoRAID metadata\n"
1065 "If that is not what you want, use the BIOS to "
1066 "create the array\n");
1067 ctlr = AR_F_FREEBSD_RAID;
1068 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev);
1069 break;
1070 }
1071
1072 /* we need all disks to be of the same format */
1073 if ((rdp->format & AR_F_FORMAT_MASK) &&
1074 (rdp->format & AR_F_FORMAT_MASK) != (ctlr & AR_F_FORMAT_MASK)) {
1075 free(rdp, M_AR);
1076 return EXDEV;
1077 }
1078 else
1079 rdp->format = ctlr;
1080
1081 /* use the smallest disk of the lots size */
1082 /* gigabyte boundry ??? XXX SOS */
1083 if (disk_size)
1084 disk_size = min(rdp->disks[disk].sectors, disk_size);
1085 else
1086 disk_size = rdp->disks[disk].sectors;
1087 rdp->disks[disk].flags =
1088 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
1089
1090 total_disks++;
1091 }
1092 else {
1093 config->disks[disk] = -1;
1094 free(rdp, M_AR);
1095 return ENXIO;
1096 }
1097 }
1098
1099 if (total_disks != config->total_disks) {
1100 free(rdp, M_AR);
1101 return ENODEV;
1102 }
1103
1104 switch (config->type) {
1105 case AR_T_JBOD:
1106 case AR_T_SPAN:
1107 case AR_T_RAID0:
1108 break;
1109
1110 case AR_T_RAID1:
1111 if (total_disks != 2) {
1112 free(rdp, M_AR);
1113 return EPERM;
1114 }
1115 break;
1116
1117 case AR_T_RAID01:
1118 if (total_disks % 2 != 0) {
1119 free(rdp, M_AR);
1120 return EPERM;
1121 }
1122 break;
1123
1124 case AR_T_RAID5:
1125 if (total_disks < 3) {
1126 free(rdp, M_AR);
1127 return EPERM;
1128 }
1129 break;
1130
1131 default:
1132 free(rdp, M_AR);
1133 return EOPNOTSUPP;
1134 }
1135 rdp->type = config->type;
1136 rdp->lun = array;
1137 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 ||
1138 rdp->type == AR_T_RAID5) {
1139 int bit = 0;
1140
1141 while (config->interleave >>= 1)
1142 bit++;
1143 rdp->interleave = 1 << bit;
1144 }
1145 rdp->offset_sectors = 0;
1146
1147 /* values that depend on metadata format */
1148 switch (rdp->format) {
1149 case AR_F_ADAPTEC_RAID:
1150 rdp->interleave = min(max(32, rdp->interleave), 128); /*+*/
1151 break;
1152
1153 case AR_F_HPTV2_RAID:
1154 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/
1155 rdp->offset_sectors = HPTV2_LBA(x) + 1;
1156 break;
1157
1158 case AR_F_HPTV3_RAID:
1159 rdp->interleave = min(max(32, rdp->interleave), 4096); /*+*/
1160 break;
1161
1162 case AR_F_INTEL_RAID:
1163 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/
1164 break;
1165
1166 case AR_F_ITE_RAID:
1167 rdp->interleave = min(max(2, rdp->interleave), 128); /*+*/
1168 break;
1169
1170 case AR_F_JMICRON_RAID:
1171 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/
1172 break;
1173
1174 case AR_F_LSIV2_RAID:
1175 rdp->interleave = min(max(2, rdp->interleave), 4096);
1176 break;
1177
1178 case AR_F_LSIV3_RAID:
1179 rdp->interleave = min(max(2, rdp->interleave), 256);
1180 break;
1181
1182 case AR_F_PROMISE_RAID:
1183 rdp->interleave = min(max(2, rdp->interleave), 2048); /*+*/
1184 break;
1185
1186 case AR_F_SII_RAID:
1187 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/
1188 break;
1189
1190 case AR_F_SIS_RAID:
1191 rdp->interleave = min(max(32, rdp->interleave), 512); /*+*/
1192 break;
1193
1194 case AR_F_VIA_RAID:
1195 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/
1196 break;
1197 }
1198
1199 rdp->total_disks = total_disks;
1200 rdp->width = total_disks / (rdp->type & (AR_RAID1 | AR_T_RAID01) ? 2 : 1);
1201 rdp->total_sectors = disk_size * (rdp->width - (rdp->type == AR_RAID5));
1202 rdp->heads = 255;
1203 rdp->sectors = 63;
1204 rdp->cylinders = rdp->total_sectors / (255 * 63);
1205 rdp->rebuild_lba = 0;
1206 rdp->status |= AR_S_READY;
1207
1208 /* we are committed to this array, grap the subdisks */
1209 for (disk = 0; disk < config->total_disks; disk++) {
1210 if ((subdisk = devclass_get_device(ata_raid_sub_devclass,
1211 config->disks[disk]))) {
1212 struct ata_raid_subdisk *ars = device_get_softc(subdisk);
1213
1214 ars->raid[rdp->volume] = rdp;
1215 ars->disk_number[rdp->volume] = disk;
1216 }
1217 }
1218 ata_raid_attach(rdp, 1);
1219 ata_raid_arrays[array] = rdp;
1220 config->lun = array;
1221 return 0;
1222 }
1223
1224 static int
1225 ata_raid_delete(int array)
1226 {
1227 struct ar_softc *rdp;
1228 device_t subdisk;
1229 int disk;
1230
1231 if (!(rdp = ata_raid_arrays[array]))
1232 return ENXIO;
1233
1234 rdp->status &= ~AR_S_READY;
1235 if (rdp->disk)
1236 disk_destroy(rdp->disk);
1237
1238 for (disk = 0; disk < rdp->total_disks; disk++) {
1239 if ((rdp->disks[disk].flags & AR_DF_PRESENT) && rdp->disks[disk].dev) {
1240 if ((subdisk = devclass_get_device(ata_raid_sub_devclass,
1241 device_get_unit(rdp->disks[disk].dev)))) {
1242 struct ata_raid_subdisk *ars = device_get_softc(subdisk);
1243
1244 if (ars->raid[rdp->volume] != rdp) /* XXX SOS */
1245 device_printf(subdisk, "DOH! this disk doesn't belong\n");
1246 if (ars->disk_number[rdp->volume] != disk) /* XXX SOS */
1247 device_printf(subdisk, "DOH! this disk number is wrong\n");
1248 ars->raid[rdp->volume] = NULL;
1249 ars->disk_number[rdp->volume] = -1;
1250 }
1251 rdp->disks[disk].flags = 0;
1252 }
1253 }
1254 ata_raid_wipe_metadata(rdp);
1255 ata_raid_arrays[array] = NULL;
1256 free(rdp, M_AR);
1257 return 0;
1258 }
1259
1260 static int
1261 ata_raid_addspare(struct ata_ioc_raid_config *config)
1262 {
1263 struct ar_softc *rdp;
1264 device_t subdisk;
1265 int disk;
1266
1267 if (!(rdp = ata_raid_arrays[config->lun]))
1268 return ENXIO;
1269 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY))
1270 return ENXIO;
1271 if (rdp->status & AR_S_REBUILDING)
1272 return EBUSY;
1273 switch (rdp->type) {
1274 case AR_T_RAID1:
1275 case AR_T_RAID01:
1276 case AR_T_RAID5:
1277 for (disk = 0; disk < rdp->total_disks; disk++ ) {
1278
1279 if (((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) ==
1280 (AR_DF_PRESENT | AR_DF_ONLINE)) && rdp->disks[disk].dev)
1281 continue;
1282
1283 if ((subdisk = devclass_get_device(ata_raid_sub_devclass,
1284 config->disks[0] ))) {
1285 struct ata_raid_subdisk *ars = device_get_softc(subdisk);
1286
1287 if (ars->raid[rdp->volume])
1288 return EBUSY;
1289
1290 /* XXX SOS validate size etc etc */
1291 ars->raid[rdp->volume] = rdp;
1292 ars->disk_number[rdp->volume] = disk;
1293 rdp->disks[disk].dev = device_get_parent(subdisk);
1294 rdp->disks[disk].flags =
1295 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE);
1296
1297 device_printf(rdp->disks[disk].dev,
1298 "inserted into ar%d disk%d as spare\n",
1299 rdp->lun, disk);
1300 ata_raid_config_changed(rdp, 1);
1301 return 0;
1302 }
1303 }
1304 return ENXIO;
1305
1306 default:
1307 return EPERM;
1308 }
1309 }
1310
1311 static int
1312 ata_raid_rebuild(int array)
1313 {
1314 struct ar_softc *rdp;
1315 int disk, count;
1316
1317 if (!(rdp = ata_raid_arrays[array]))
1318 return ENXIO;
1319 /* XXX SOS we should lock the rdp softc here */
1320 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY))
1321 return ENXIO;
1322 if (rdp->status & AR_S_REBUILDING)
1323 return EBUSY;
1324
1325 switch (rdp->type) {
1326 case AR_T_RAID1:
1327 case AR_T_RAID01:
1328 case AR_T_RAID5:
1329 for (count = 0, disk = 0; disk < rdp->total_disks; disk++ ) {
1330 if (((rdp->disks[disk].flags &
1331 (AR_DF_PRESENT|AR_DF_ASSIGNED|AR_DF_ONLINE|AR_DF_SPARE)) ==
1332 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) &&
1333 rdp->disks[disk].dev) {
1334 count++;
1335 }
1336 }
1337
1338 if (count) {
1339 rdp->rebuild_lba = 0;
1340 rdp->status |= AR_S_REBUILDING;
1341 return 0;
1342 }
1343 return EIO;
1344
1345 default:
1346 return EPERM;
1347 }
1348 }
1349
1350 static int
1351 ata_raid_read_metadata(device_t subdisk)
1352 {
1353 devclass_t pci_devclass = devclass_find("pci");
1354 devclass_t atapci_devclass = devclass_find("atapci");
1355 devclass_t devclass=device_get_devclass(GRANDPARENT(GRANDPARENT(subdisk)));
1356
1357 /* prioritize vendor native metadata layout if possible */
1358 if (devclass == pci_devclass || devclass == atapci_devclass) {
1359 switch (pci_get_vendor(GRANDPARENT(device_get_parent(subdisk)))) {
1360 case ATA_HIGHPOINT_ID:
1361 if (ata_raid_hptv3_read_meta(subdisk, ata_raid_arrays))
1362 return 0;
1363 if (ata_raid_hptv2_read_meta(subdisk, ata_raid_arrays))
1364 return 0;
1365 break;
1366
1367 case ATA_INTEL_ID:
1368 if (ata_raid_intel_read_meta(subdisk, ata_raid_arrays))
1369 return 0;
1370 break;
1371
1372 case ATA_ITE_ID:
1373 if (ata_raid_ite_read_meta(subdisk, ata_raid_arrays))
1374 return 0;
1375 break;
1376
1377 case ATA_JMICRON_ID:
1378 if (ata_raid_jmicron_read_meta(subdisk, ata_raid_arrays))
1379 return 0;
1380 break;
1381
1382 case ATA_NVIDIA_ID:
1383 if (ata_raid_nvidia_read_meta(subdisk, ata_raid_arrays))
1384 return 0;
1385 break;
1386
1387 case 0: /* XXX SOS cover up for bug in our PCI code */
1388 case ATA_PROMISE_ID:
1389 if (ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 0))
1390 return 0;
1391 break;
1392
1393 case ATA_ATI_ID:
1394 case ATA_SILICON_IMAGE_ID:
1395 if (ata_raid_sii_read_meta(subdisk, ata_raid_arrays))
1396 return 0;
1397 break;
1398
1399 case ATA_SIS_ID:
1400 if (ata_raid_sis_read_meta(subdisk, ata_raid_arrays))
1401 return 0;
1402 break;
1403
1404 case ATA_VIA_ID:
1405 if (ata_raid_via_read_meta(subdisk, ata_raid_arrays))
1406 return 0;
1407 break;
1408 }
1409 }
1410
1411 /* handle controllers that have multiple layout possibilities */
1412 /* NOTE: the order of these are not insignificant */
1413
1414 /* Adaptec HostRAID */
1415 if (ata_raid_adaptec_read_meta(subdisk, ata_raid_arrays))
1416 return 0;
1417
1418 /* LSILogic v3 and v2 */
1419 if (ata_raid_lsiv3_read_meta(subdisk, ata_raid_arrays))
1420 return 0;
1421 if (ata_raid_lsiv2_read_meta(subdisk, ata_raid_arrays))
1422 return 0;
1423
1424 /* DDF (used by Adaptec, maybe others) */
1425 if (ata_raid_ddf_read_meta(subdisk, ata_raid_arrays))
1426 return 0;
1427
1428 /* if none of the above matched, try FreeBSD native format */
1429 return ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 1);
1430 }
1431
1432 static int
1433 ata_raid_write_metadata(struct ar_softc *rdp)
1434 {
1435 switch (rdp->format) {
1436 case AR_F_FREEBSD_RAID:
1437 case AR_F_PROMISE_RAID:
1438 return ata_raid_promise_write_meta(rdp);
1439
1440 case AR_F_HPTV3_RAID:
1441 case AR_F_HPTV2_RAID:
1442 /*
1443 * always write HPT v2 metadata, the v3 BIOS knows it as well.
1444 * this is handy since we cannot know what version BIOS is on there
1445 */
1446 return ata_raid_hptv2_write_meta(rdp);
1447
1448 case AR_F_INTEL_RAID:
1449 return ata_raid_intel_write_meta(rdp);
1450
1451 case AR_F_JMICRON_RAID:
1452 return ata_raid_jmicron_write_meta(rdp);
1453
1454 case AR_F_SIS_RAID:
1455 return ata_raid_sis_write_meta(rdp);
1456
1457 case AR_F_VIA_RAID:
1458 return ata_raid_via_write_meta(rdp);
1459 #if 0
1460 case AR_F_HPTV3_RAID:
1461 return ata_raid_hptv3_write_meta(rdp);
1462
1463 case AR_F_ADAPTEC_RAID:
1464 return ata_raid_adaptec_write_meta(rdp);
1465
1466 case AR_F_ITE_RAID:
1467 return ata_raid_ite_write_meta(rdp);
1468
1469 case AR_F_LSIV2_RAID:
1470 return ata_raid_lsiv2_write_meta(rdp);
1471
1472 case AR_F_LSIV3_RAID:
1473 return ata_raid_lsiv3_write_meta(rdp);
1474
1475 case AR_F_NVIDIA_RAID:
1476 return ata_raid_nvidia_write_meta(rdp);
1477
1478 case AR_F_SII_RAID:
1479 return ata_raid_sii_write_meta(rdp);
1480
1481 #endif
1482 default:
1483 printf("ar%d: writing of %s metadata is NOT supported yet\n",
1484 rdp->lun, ata_raid_format(rdp));
1485 }
1486 return -1;
1487 }
1488
1489 static int
1490 ata_raid_wipe_metadata(struct ar_softc *rdp)
1491 {
1492 int disk, error = 0;
1493 u_int64_t lba;
1494 u_int32_t size;
1495 u_int8_t *meta;
1496
1497 for (disk = 0; disk < rdp->total_disks; disk++) {
1498 if (rdp->disks[disk].dev) {
1499 switch (rdp->format) {
1500 case AR_F_ADAPTEC_RAID:
1501 lba = ADP_LBA(rdp->disks[disk].dev);
1502 size = sizeof(struct adaptec_raid_conf);
1503 break;
1504
1505 case AR_F_HPTV2_RAID:
1506 lba = HPTV2_LBA(rdp->disks[disk].dev);
1507 size = sizeof(struct hptv2_raid_conf);
1508 break;
1509
1510 case AR_F_HPTV3_RAID:
1511 lba = HPTV3_LBA(rdp->disks[disk].dev);
1512 size = sizeof(struct hptv3_raid_conf);
1513 break;
1514
1515 case AR_F_INTEL_RAID:
1516 lba = INTEL_LBA(rdp->disks[disk].dev);
1517 size = 3 * 512; /* XXX SOS */
1518 break;
1519
1520 case AR_F_ITE_RAID:
1521 lba = ITE_LBA(rdp->disks[disk].dev);
1522 size = sizeof(struct ite_raid_conf);
1523 break;
1524
1525 case AR_F_JMICRON_RAID:
1526 lba = JMICRON_LBA(rdp->disks[disk].dev);
1527 size = sizeof(struct jmicron_raid_conf);
1528 break;
1529
1530 case AR_F_LSIV2_RAID:
1531 lba = LSIV2_LBA(rdp->disks[disk].dev);
1532 size = sizeof(struct lsiv2_raid_conf);
1533 break;
1534
1535 case AR_F_LSIV3_RAID:
1536 lba = LSIV3_LBA(rdp->disks[disk].dev);
1537 size = sizeof(struct lsiv3_raid_conf);
1538 break;
1539
1540 case AR_F_NVIDIA_RAID:
1541 lba = NVIDIA_LBA(rdp->disks[disk].dev);
1542 size = sizeof(struct nvidia_raid_conf);
1543 break;
1544
1545 case AR_F_FREEBSD_RAID:
1546 case AR_F_PROMISE_RAID:
1547 lba = PROMISE_LBA(rdp->disks[disk].dev);
1548 size = sizeof(struct promise_raid_conf);
1549 break;
1550
1551 case AR_F_SII_RAID:
1552 lba = SII_LBA(rdp->disks[disk].dev);
1553 size = sizeof(struct sii_raid_conf);
1554 break;
1555
1556 case AR_F_SIS_RAID:
1557 lba = SIS_LBA(rdp->disks[disk].dev);
1558 size = sizeof(struct sis_raid_conf);
1559 break;
1560
1561 case AR_F_VIA_RAID:
1562 lba = VIA_LBA(rdp->disks[disk].dev);
1563 size = sizeof(struct via_raid_conf);
1564 break;
1565
1566 default:
1567 printf("ar%d: wiping of %s metadata is NOT supported yet\n",
1568 rdp->lun, ata_raid_format(rdp));
1569 return ENXIO;
1570 }
1571 if (!(meta = malloc(size, M_AR, M_NOWAIT | M_ZERO)))
1572 return ENOMEM;
1573 if (ata_raid_rw(rdp->disks[disk].dev, lba, meta, size,
1574 ATA_R_WRITE | ATA_R_DIRECT)) {
1575 device_printf(rdp->disks[disk].dev, "wipe metadata failed\n");
1576 error = EIO;
1577 }
1578 free(meta, M_AR);
1579 }
1580 }
1581 return error;
1582 }
1583
1584 /* Adaptec HostRAID Metadata */
1585 static int
1586 ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp)
1587 {
1588 struct ata_raid_subdisk *ars = device_get_softc(dev);
1589 device_t parent = device_get_parent(dev);
1590 struct adaptec_raid_conf *meta;
1591 struct ar_softc *raid;
1592 int array, disk, retval = 0;
1593
1594 if (!(meta = (struct adaptec_raid_conf *)
1595 malloc(sizeof(struct adaptec_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
1596 return ENOMEM;
1597
1598 if (ata_raid_rw(parent, ADP_LBA(parent),
1599 meta, sizeof(struct adaptec_raid_conf), ATA_R_READ)) {
1600 if (testing || bootverbose)
1601 device_printf(parent, "Adaptec read metadata failed\n");
1602 goto adaptec_out;
1603 }
1604
1605 /* check if this is a Adaptec RAID struct */
1606 if (meta->magic_0 != ADP_MAGIC_0 || meta->magic_3 != ADP_MAGIC_3) {
1607 if (testing || bootverbose)
1608 device_printf(parent, "Adaptec check1 failed\n");
1609 goto adaptec_out;
1610 }
1611
1612 if (testing || bootverbose)
1613 ata_raid_adaptec_print_meta(meta);
1614
1615 /* now convert Adaptec metadata into our generic form */
1616 for (array = 0; array < MAX_ARRAYS; array++) {
1617 if (!raidp[array]) {
1618 raidp[array] =
1619 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
1620 M_NOWAIT | M_ZERO);
1621 if (!raidp[array]) {
1622 device_printf(parent, "failed to allocate metadata storage\n");
1623 goto adaptec_out;
1624 }
1625 }
1626 raid = raidp[array];
1627 if (raid->format && (raid->format != AR_F_ADAPTEC_RAID))
1628 continue;
1629
1630 if (raid->magic_0 && raid->magic_0 != meta->configs[0].magic_0)
1631 continue;
1632
1633 if (!meta->generation || be32toh(meta->generation) > raid->generation) {
1634 switch (meta->configs[0].type) {
1635 case ADP_T_RAID0:
1636 raid->magic_0 = meta->configs[0].magic_0;
1637 raid->type = AR_T_RAID0;
1638 raid->interleave = 1 << (meta->configs[0].stripe_shift >> 1);
1639 raid->width = be16toh(meta->configs[0].total_disks);
1640 break;
1641
1642 case ADP_T_RAID1:
1643 raid->magic_0 = meta->configs[0].magic_0;
1644 raid->type = AR_T_RAID1;
1645 raid->width = be16toh(meta->configs[0].total_disks) / 2;
1646 break;
1647
1648 default:
1649 device_printf(parent, "Adaptec unknown RAID type 0x%02x\n",
1650 meta->configs[0].type);
1651 free(raidp[array], M_AR);
1652 raidp[array] = NULL;
1653 goto adaptec_out;
1654 }
1655
1656 raid->format = AR_F_ADAPTEC_RAID;
1657 raid->generation = be32toh(meta->generation);
1658 raid->total_disks = be16toh(meta->configs[0].total_disks);
1659 raid->total_sectors = be32toh(meta->configs[0].sectors);
1660 raid->heads = 255;
1661 raid->sectors = 63;
1662 raid->cylinders = raid->total_sectors / (63 * 255);
1663 raid->offset_sectors = 0;
1664 raid->rebuild_lba = 0;
1665 raid->lun = array;
1666 strncpy(raid->name, meta->configs[0].name,
1667 min(sizeof(raid->name), sizeof(meta->configs[0].name)));
1668
1669 /* clear out any old info */
1670 if (raid->generation) {
1671 for (disk = 0; disk < raid->total_disks; disk++) {
1672 raid->disks[disk].dev = NULL;
1673 raid->disks[disk].flags = 0;
1674 }
1675 }
1676 }
1677 if (be32toh(meta->generation) >= raid->generation) {
1678 struct ata_device *atadev = device_get_softc(parent);
1679 struct ata_channel *ch = device_get_softc(GRANDPARENT(dev));
1680 int disk_number =
1681 (ch->unit << !(ch->flags & ATA_NO_SLAVE)) + atadev->unit;
1682 raid->disks[disk_number].dev = parent;
1683 raid->disks[disk_number].sectors =
1684 be32toh(meta->configs[disk_number + 1].sectors);
1685 raid->disks[disk_number].flags =
1686 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
1687 ars->raid[raid->volume] = raid;
1688 ars->disk_number[raid->volume] = disk_number;
1689 retval = 1;
1690 }
1691 break;
1692 }
1693
1694 adaptec_out:
1695 free(meta, M_AR);
1696 return retval;
1697 }
1698
1699 static uint64_t
1700 ddfbe64toh(uint64_t val)
1701 {
1702 return (be64toh(val));
1703 }
1704
1705 static uint32_t
1706 ddfbe32toh(uint32_t val)
1707 {
1708 return (be32toh(val));
1709 }
1710
1711 static uint16_t
1712 ddfbe16toh(uint16_t val)
1713 {
1714 return (be16toh(val));
1715 }
1716
1717 static uint64_t
1718 ddfle64toh(uint64_t val)
1719 {
1720 return (le64toh(val));
1721 }
1722
1723 static uint32_t
1724 ddfle32toh(uint32_t val)
1725 {
1726 return (le32toh(val));
1727 }
1728
1729 static uint16_t
1730 ddfle16toh(uint16_t val)
1731 {
1732 return (le16toh(val));
1733 }
1734
1735 static int
1736 ata_raid_ddf_read_meta(device_t dev, struct ar_softc **raidp)
1737 {
1738 struct ata_raid_subdisk *ars;
1739 device_t parent = device_get_parent(dev);
1740 struct ddf_header *hdr;
1741 struct ddf_pd_record *pdr;
1742 struct ddf_pd_entry *pde = NULL;
1743 struct ddf_vd_record *vdr;
1744 struct ddf_pdd_record *pdd;
1745 struct ddf_sa_record *sa = NULL;
1746 struct ddf_vdc_record *vdcr = NULL;
1747 struct ddf_vd_entry *vde = NULL;
1748 struct ar_softc *raid;
1749 uint64_t pri_lba;
1750 uint32_t pd_ref, pd_pos;
1751 uint8_t *meta, *cr;
1752 int hdr_len, vd_state = 0, pd_state = 0;
1753 int i, disk, array, retval = 0;
1754 uintptr_t max_cr_addr;
1755 uint64_t (*ddf64toh)(uint64_t) = NULL;
1756 uint32_t (*ddf32toh)(uint32_t) = NULL;
1757 uint16_t (*ddf16toh)(uint16_t) = NULL;
1758
1759 ars = device_get_softc(dev);
1760 raid = NULL;
1761
1762 /* Read in the anchor header */
1763 if (!(meta = malloc(DDF_HEADER_LENGTH, M_AR, M_NOWAIT | M_ZERO)))
1764 return ENOMEM;
1765
1766 if (ata_raid_rw(parent, DDF_LBA(parent),
1767 meta, DDF_HEADER_LENGTH, ATA_R_READ)) {
1768 if (testing || bootverbose)
1769 device_printf(parent, "DDF read metadata failed\n");
1770 goto ddf_out;
1771 }
1772
1773 /*
1774 * Check if this is a DDF RAID struct. Note the apparent "flexibility"
1775 * regarding endianness.
1776 */
1777 hdr = (struct ddf_header *)meta;
1778 if (be32toh(hdr->Signature) == DDF_HEADER_SIGNATURE) {
1779 ddf64toh = ddfbe64toh;
1780 ddf32toh = ddfbe32toh;
1781 ddf16toh = ddfbe16toh;
1782 } else if (le32toh(hdr->Signature) == DDF_HEADER_SIGNATURE) {
1783 ddf64toh = ddfle64toh;
1784 ddf32toh = ddfle32toh;
1785 ddf16toh = ddfle16toh;
1786 } else
1787 goto ddf_out;
1788
1789 if (hdr->Header_Type != DDF_HEADER_ANCHOR) {
1790 if (testing || bootverbose)
1791 device_printf(parent, "DDF check1 failed\n");
1792 goto ddf_out;
1793 }
1794
1795 pri_lba = ddf64toh(hdr->Primary_Header_LBA);
1796 hdr_len = ddf32toh(hdr->cd_section) + ddf32toh(hdr->cd_length);
1797 hdr_len = max(hdr_len,ddf32toh(hdr->pdr_section)+ddf32toh(hdr->pdr_length));
1798 hdr_len = max(hdr_len,ddf32toh(hdr->vdr_section)+ddf32toh(hdr->vdr_length));
1799 hdr_len = max(hdr_len,ddf32toh(hdr->cr_section) +ddf32toh(hdr->cr_length));
1800 hdr_len = max(hdr_len,ddf32toh(hdr->pdd_section)+ddf32toh(hdr->pdd_length));
1801 if (testing || bootverbose)
1802 device_printf(parent, "DDF pri_lba= %llu length= %d blocks\n",
1803 (unsigned long long)pri_lba, hdr_len);
1804 if ((pri_lba + hdr_len) > DDF_LBA(parent)) {
1805 device_printf(parent, "DDF exceeds length of disk\n");
1806 goto ddf_out;
1807 }
1808
1809 /* Don't need the anchor anymore, read the rest of the metadata */
1810 free(meta, M_AR);
1811 if (!(meta = malloc(hdr_len * DEV_BSIZE, M_AR, M_NOWAIT | M_ZERO)))
1812 return ENOMEM;
1813
1814 if (ata_raid_rw(parent, pri_lba, meta, hdr_len * DEV_BSIZE, ATA_R_READ)) {
1815 if (testing || bootverbose)
1816 device_printf(parent, "DDF read full metadata failed\n");
1817 goto ddf_out;
1818 }
1819
1820 /* Check that we got a Primary Header */
1821 hdr = (struct ddf_header *)meta;
1822 if ((ddf32toh(hdr->Signature) != DDF_HEADER_SIGNATURE) ||
1823 (hdr->Header_Type != DDF_HEADER_PRIMARY)) {
1824 if (testing || bootverbose)
1825 device_printf(parent, "DDF check2 failed\n");
1826 goto ddf_out;
1827 }
1828
1829 if (testing || bootverbose)
1830 ata_raid_ddf_print_meta(meta);
1831
1832 if ((hdr->Open_Flag >= 0x01) && (hdr->Open_Flag <= 0x0f)) {
1833 device_printf(parent, "DDF Header open, possibly corrupt metadata\n");
1834 goto ddf_out;
1835 }
1836
1837 pdr = (struct ddf_pd_record*)(meta + ddf32toh(hdr->pdr_section)*DEV_BSIZE);
1838 vdr = (struct ddf_vd_record*)(meta + ddf32toh(hdr->vdr_section)*DEV_BSIZE);
1839 cr = (uint8_t *)(meta + ddf32toh(hdr->cr_section)*DEV_BSIZE);
1840 pdd = (struct ddf_pdd_record*)(meta + ddf32toh(hdr->pdd_section)*DEV_BSIZE);
1841
1842 /* Verify the Physical Disk Device Record */
1843 if (ddf32toh(pdd->Signature) != DDF_PDD_SIGNATURE) {
1844 device_printf(parent, "Invalid PD Signature\n");
1845 goto ddf_out;
1846 }
1847 pd_ref = ddf32toh(pdd->PD_Reference);
1848 pd_pos = -1;
1849
1850 /* Verify the Physical Disk Record and make sure the disk is usable */
1851 if (ddf32toh(pdr->Signature) != DDF_PDR_SIGNATURE) {
1852 device_printf(parent, "Invalid PDR Signature\n");
1853 goto ddf_out;
1854 }
1855 for (i = 0; i < ddf16toh(pdr->Populated_PDEs); i++) {
1856 if (ddf32toh(pdr->entry[i].PD_Reference) != pd_ref)
1857 continue;
1858 pde = &pdr->entry[i];
1859 pd_state = ddf16toh(pde->PD_State);
1860 }
1861 if ((pde == NULL) ||
1862 ((pd_state & DDF_PDE_ONLINE) == 0) ||
1863 (pd_state & (DDF_PDE_FAILED|DDF_PDE_MISSING|DDF_PDE_UNRECOVERED))) {
1864 device_printf(parent, "Physical disk not usable\n");
1865 goto ddf_out;
1866 }
1867
1868 /* Parse out the configuration record, look for spare and VD records.
1869 * While DDF supports a disk being part of more than one array, and
1870 * thus having more than one VDCR record, that feature is not supported
1871 * by ATA-RAID. Therefore, the first record found takes precedence.
1872 */
1873 max_cr_addr = (uintptr_t)cr + ddf32toh(hdr->cr_length) * DEV_BSIZE - 1;
1874 for ( ; (uintptr_t)cr < max_cr_addr;
1875 cr += ddf16toh(hdr->Configuration_Record_Length) * DEV_BSIZE) {
1876 switch (ddf32toh(((uint32_t *)cr)[0])) {
1877 case DDF_VDCR_SIGNATURE:
1878 vdcr = (struct ddf_vdc_record *)cr;
1879 goto cr_found;
1880 break;
1881 case DDF_VUCR_SIGNATURE:
1882 /* Don't care about this record */
1883 break;
1884 case DDF_SA_SIGNATURE:
1885 sa = (struct ddf_sa_record *)cr;
1886 goto cr_found;
1887 break;
1888 case DDF_CR_INVALID:
1889 /* A record was deliberately invalidated */
1890 break;
1891 default:
1892 device_printf(parent, "Invalid CR signature found\n");
1893 }
1894 }
1895 cr_found:
1896 if ((vdcr == NULL) /* && (sa == NULL) * Spares not supported yet */) {
1897 device_printf(parent, "No usable configuration record found\n");
1898 goto ddf_out;
1899 }
1900
1901 if (vdcr != NULL) {
1902 if (vdcr->Secondary_Element_Count != 1) {
1903 device_printf(parent, "Unsupported multi-level Virtual Disk\n");
1904 goto ddf_out;
1905 }
1906
1907 /* Find the Virtual Disk Entry for this array */
1908 if (ddf32toh(vdr->Signature) != DDF_VD_RECORD_SIGNATURE) {
1909 device_printf(parent, "Invalid VDR Signature\n");
1910 goto ddf_out;
1911 }
1912 for (i = 0; i < ddf16toh(vdr->Populated_VDEs); i++) {
1913 if (bcmp(vdr->entry[i].VD_GUID, vdcr->VD_GUID, 24))
1914 continue;
1915 vde = &vdr->entry[i];
1916 vd_state = vde->VD_State & DDF_VDE_STATE_MASK;
1917 }
1918 if ((vde == NULL) ||
1919 ((vd_state != DDF_VDE_OPTIMAL) && (vd_state != DDF_VDE_DEGRADED))) {
1920 device_printf(parent, "Unusable Virtual Disk\n");
1921 goto ddf_out;
1922 }
1923 for (i = 0; i < ddf16toh(hdr->Max_Primary_Element_Entries); i++) {
1924 uint32_t pd_tmp;
1925
1926 pd_tmp = ddf32toh(vdcr->Physical_Disk_Sequence[i]);
1927 if ((pd_tmp == 0x00000000) || (pd_tmp == 0xffffffff))
1928 continue;
1929 if (pd_tmp == pd_ref) {
1930 pd_pos = i;
1931 break;
1932 }
1933 }
1934 if (pd_pos == -1) {
1935 device_printf(parent, "Physical device not part of array\n");
1936 goto ddf_out;
1937 }
1938 }
1939
1940 /* now convert DDF metadata into our generic form */
1941 for (array = 0; array < MAX_ARRAYS; array++) {
1942 if (!raidp[array]) {
1943 raid = (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
1944 M_NOWAIT | M_ZERO);
1945 if (!raid) {
1946 device_printf(parent, "failed to allocate metadata storage\n");
1947 goto ddf_out;
1948 }
1949 } else
1950 raid = raidp[array];
1951
1952 if (raid->format && (raid->format != AR_F_DDF_RAID))
1953 continue;
1954
1955 if (raid->magic_0 && (raid->magic_0 != crc32(vde->VD_GUID, 24)))
1956 continue;
1957
1958 if (!raidp[array]) {
1959 raidp[array] = raid;
1960
1961 switch (vdcr->Primary_RAID_Level) {
1962 case DDF_VDCR_RAID0:
1963 raid->magic_0 = crc32(vde->VD_GUID, 24);
1964 raid->magic_1 = ddf16toh(vde->VD_Number);
1965 raid->type = AR_T_RAID0;
1966 raid->interleave = 1 << vdcr->Stripe_Size;
1967 raid->width = ddf16toh(vdcr->Primary_Element_Count);
1968 break;
1969
1970 case DDF_VDCR_RAID1:
1971 raid->magic_0 = crc32(vde->VD_GUID, 24);
1972 raid->magic_1 = ddf16toh(vde->VD_Number);
1973 raid->type = AR_T_RAID1;
1974 raid->width = 1;
1975 break;
1976
1977 default:
1978 device_printf(parent, "DDF unsupported RAID type 0x%02x\n",
1979 vdcr->Primary_RAID_Level);
1980 free(raidp[array], M_AR);
1981 raidp[array] = NULL;
1982 goto ddf_out;
1983 }
1984
1985 raid->format = AR_F_DDF_RAID;
1986 raid->generation = ddf32toh(vdcr->Sequence_Number);
1987 raid->total_disks = ddf16toh(vdcr->Primary_Element_Count);
1988 raid->total_sectors = ddf64toh(vdcr->VD_Size);
1989 raid->heads = 255;
1990 raid->sectors = 63;
1991 raid->cylinders = raid->total_sectors / (63 * 255);
1992 raid->offset_sectors = 0;
1993 raid->rebuild_lba = 0;
1994 raid->lun = array;
1995 strncpy(raid->name, vde->VD_Name,
1996 min(sizeof(raid->name), sizeof(vde->VD_Name)));
1997
1998 /* clear out any old info */
1999 if (raid->generation) {
2000 for (disk = 0; disk < raid->total_disks; disk++) {
2001 raid->disks[disk].dev = NULL;
2002 raid->disks[disk].flags = 0;
2003 }
2004 }
2005 }
2006 if (ddf32toh(vdcr->Sequence_Number) >= raid->generation) {
2007 int disk_number = pd_pos;
2008
2009 raid->disks[disk_number].dev = parent;
2010
2011 /* Adaptec appears to not set vdcr->Block_Count, yet again in
2012 * gross violation of the spec.
2013 */
2014 raid->disks[disk_number].sectors = ddf64toh(vdcr->Block_Count);
2015 if (raid->disks[disk_number].sectors == 0)
2016 raid->disks[disk_number].sectors=ddf64toh(pde->Configured_Size);
2017 raid->disks[disk_number].flags =
2018 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
2019 ars->raid[raid->volume] = raid;
2020 ars->disk_number[raid->volume] = disk_number;
2021 retval = 1;
2022 }
2023 break;
2024 }
2025
2026 ddf_out:
2027 free(meta, M_AR);
2028 return retval;
2029 }
2030
2031 /* Highpoint V2 RocketRAID Metadata */
2032 static int
2033 ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp)
2034 {
2035 struct ata_raid_subdisk *ars = device_get_softc(dev);
2036 device_t parent = device_get_parent(dev);
2037 struct hptv2_raid_conf *meta;
2038 struct ar_softc *raid = NULL;
2039 int array, disk_number = 0, retval = 0;
2040
2041 if (!(meta = (struct hptv2_raid_conf *)
2042 malloc(sizeof(struct hptv2_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
2043 return ENOMEM;
2044
2045 if (ata_raid_rw(parent, HPTV2_LBA(parent),
2046 meta, sizeof(struct hptv2_raid_conf), ATA_R_READ)) {
2047 if (testing || bootverbose)
2048 device_printf(parent, "HighPoint (v2) read metadata failed\n");
2049 goto hptv2_out;
2050 }
2051
2052 /* check if this is a HighPoint v2 RAID struct */
2053 if (meta->magic != HPTV2_MAGIC_OK && meta->magic != HPTV2_MAGIC_BAD) {
2054 if (testing || bootverbose)
2055 device_printf(parent, "HighPoint (v2) check1 failed\n");
2056 goto hptv2_out;
2057 }
2058
2059 /* is this disk defined, or an old leftover/spare ? */
2060 if (!meta->magic_0) {
2061 if (testing || bootverbose)
2062 device_printf(parent, "HighPoint (v2) check2 failed\n");
2063 goto hptv2_out;
2064 }
2065
2066 if (testing || bootverbose)
2067 ata_raid_hptv2_print_meta(meta);
2068
2069 /* now convert HighPoint (v2) metadata into our generic form */
2070 for (array = 0; array < MAX_ARRAYS; array++) {
2071 if (!raidp[array]) {
2072 raidp[array] =
2073 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
2074 M_NOWAIT | M_ZERO);
2075 if (!raidp[array]) {
2076 device_printf(parent, "failed to allocate metadata storage\n");
2077 goto hptv2_out;
2078 }
2079 }
2080 raid = raidp[array];
2081 if (raid->format && (raid->format != AR_F_HPTV2_RAID))
2082 continue;
2083
2084 switch (meta->type) {
2085 case HPTV2_T_RAID0:
2086 if ((meta->order & (HPTV2_O_RAID0|HPTV2_O_OK)) ==
2087 (HPTV2_O_RAID0|HPTV2_O_OK))
2088 goto highpoint_raid1;
2089 if (meta->order & (HPTV2_O_RAID0 | HPTV2_O_RAID1))
2090 goto highpoint_raid01;
2091 if (raid->magic_0 && raid->magic_0 != meta->magic_0)
2092 continue;
2093 raid->magic_0 = meta->magic_0;
2094 raid->type = AR_T_RAID0;
2095 raid->interleave = 1 << meta->stripe_shift;
2096 disk_number = meta->disk_number;
2097 if (!(meta->order & HPTV2_O_OK))
2098 meta->magic = 0; /* mark bad */
2099 break;
2100
2101 case HPTV2_T_RAID1:
2102 highpoint_raid1:
2103 if (raid->magic_0 && raid->magic_0 != meta->magic_0)
2104 continue;
2105 raid->magic_0 = meta->magic_0;
2106 raid->type = AR_T_RAID1;
2107 disk_number = (meta->disk_number > 0);
2108 break;
2109
2110 case HPTV2_T_RAID01_RAID0:
2111 highpoint_raid01:
2112 if (meta->order & HPTV2_O_RAID0) {
2113 if ((raid->magic_0 && raid->magic_0 != meta->magic_0) ||
2114 (raid->magic_1 && raid->magic_1 != meta->magic_1))
2115 continue;
2116 raid->magic_0 = meta->magic_0;
2117 raid->magic_1 = meta->magic_1;
2118 raid->type = AR_T_RAID01;
2119 raid->interleave = 1 << meta->stripe_shift;
2120 disk_number = meta->disk_number;
2121 }
2122 else {
2123 if (raid->magic_1 && raid->magic_1 != meta->magic_1)
2124 continue;
2125 raid->magic_1 = meta->magic_1;
2126 raid->type = AR_T_RAID01;
2127 raid->interleave = 1 << meta->stripe_shift;
2128 disk_number = meta->disk_number + meta->array_width;
2129 if (!(meta->order & HPTV2_O_RAID1))
2130 meta->magic = 0; /* mark bad */
2131 }
2132 break;
2133
2134 case HPTV2_T_SPAN:
2135 if (raid->magic_0 && raid->magic_0 != meta->magic_0)
2136 continue;
2137 raid->magic_0 = meta->magic_0;
2138 raid->type = AR_T_SPAN;
2139 disk_number = meta->disk_number;
2140 break;
2141
2142 default:
2143 device_printf(parent, "Highpoint (v2) unknown RAID type 0x%02x\n",
2144 meta->type);
2145 free(raidp[array], M_AR);
2146 raidp[array] = NULL;
2147 goto hptv2_out;
2148 }
2149
2150 raid->format |= AR_F_HPTV2_RAID;
2151 raid->disks[disk_number].dev = parent;
2152 raid->disks[disk_number].flags = (AR_DF_PRESENT | AR_DF_ASSIGNED);
2153 raid->lun = array;
2154 strncpy(raid->name, meta->name_1,
2155 min(sizeof(raid->name), sizeof(meta->name_1)));
2156 if (meta->magic == HPTV2_MAGIC_OK) {
2157 raid->disks[disk_number].flags |= AR_DF_ONLINE;
2158 raid->width = meta->array_width;
2159 raid->total_sectors = meta->total_sectors;
2160 raid->heads = 255;
2161 raid->sectors = 63;
2162 raid->cylinders = raid->total_sectors / (63 * 255);
2163 raid->offset_sectors = HPTV2_LBA(parent) + 1;
2164 raid->rebuild_lba = meta->rebuild_lba;
2165 raid->disks[disk_number].sectors =
2166 raid->total_sectors / raid->width;
2167 }
2168 else
2169 raid->disks[disk_number].flags &= ~AR_DF_ONLINE;
2170
2171 if ((raid->type & AR_T_RAID0) && (raid->total_disks < raid->width))
2172 raid->total_disks = raid->width;
2173 if (disk_number >= raid->total_disks)
2174 raid->total_disks = disk_number + 1;
2175 ars->raid[raid->volume] = raid;
2176 ars->disk_number[raid->volume] = disk_number;
2177 retval = 1;
2178 break;
2179 }
2180
2181 hptv2_out:
2182 free(meta, M_AR);
2183 return retval;
2184 }
2185
2186 static int
2187 ata_raid_hptv2_write_meta(struct ar_softc *rdp)
2188 {
2189 struct hptv2_raid_conf *meta;
2190 struct timeval timestamp;
2191 int disk, error = 0;
2192
2193 if (!(meta = (struct hptv2_raid_conf *)
2194 malloc(sizeof(struct hptv2_raid_conf), M_AR, M_NOWAIT | M_ZERO))) {
2195 printf("ar%d: failed to allocate metadata storage\n", rdp->lun);
2196 return ENOMEM;
2197 }
2198
2199 microtime(×tamp);
2200 rdp->magic_0 = timestamp.tv_sec + 2;
2201 rdp->magic_1 = timestamp.tv_sec;
2202
2203 for (disk = 0; disk < rdp->total_disks; disk++) {
2204 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) ==
2205 (AR_DF_PRESENT | AR_DF_ONLINE))
2206 meta->magic = HPTV2_MAGIC_OK;
2207 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) {
2208 meta->magic_0 = rdp->magic_0;
2209 if (strlen(rdp->name))
2210 strncpy(meta->name_1, rdp->name, sizeof(meta->name_1));
2211 else
2212 strcpy(meta->name_1, "FreeBSD");
2213 }
2214 meta->disk_number = disk;
2215
2216 switch (rdp->type) {
2217 case AR_T_RAID0:
2218 meta->type = HPTV2_T_RAID0;
2219 strcpy(meta->name_2, "RAID 0");
2220 if (rdp->disks[disk].flags & AR_DF_ONLINE)
2221 meta->order = HPTV2_O_OK;
2222 break;
2223
2224 case AR_T_RAID1:
2225 meta->type = HPTV2_T_RAID0;
2226 strcpy(meta->name_2, "RAID 1");
2227 meta->disk_number = (disk < rdp->width) ? disk : disk + 5;
2228 meta->order = HPTV2_O_RAID0 | HPTV2_O_OK;
2229 break;
2230
2231 case AR_T_RAID01:
2232 meta->type = HPTV2_T_RAID01_RAID0;
2233 strcpy(meta->name_2, "RAID 0+1");
2234 if (rdp->disks[disk].flags & AR_DF_ONLINE) {
2235 if (disk < rdp->width) {
2236 meta->order = (HPTV2_O_RAID0 | HPTV2_O_RAID1);
2237 meta->magic_0 = rdp->magic_0 - 1;
2238 }
2239 else {
2240 meta->order = HPTV2_O_RAID1;
2241 meta->disk_number -= rdp->width;
2242 }
2243 }
2244 else
2245 meta->magic_0 = rdp->magic_0 - 1;
2246 meta->magic_1 = rdp->magic_1;
2247 break;
2248
2249 case AR_T_SPAN:
2250 meta->type = HPTV2_T_SPAN;
2251 strcpy(meta->name_2, "SPAN");
2252 break;
2253 default:
2254 free(meta, M_AR);
2255 return ENODEV;
2256 }
2257
2258 meta->array_width = rdp->width;
2259 meta->stripe_shift = (rdp->width > 1) ? (ffs(rdp->interleave)-1) : 0;
2260 meta->total_sectors = rdp->total_sectors;
2261 meta->rebuild_lba = rdp->rebuild_lba;
2262 if (testing || bootverbose)
2263 ata_raid_hptv2_print_meta(meta);
2264 if (rdp->disks[disk].dev) {
2265 if (ata_raid_rw(rdp->disks[disk].dev,
2266 HPTV2_LBA(rdp->disks[disk].dev), meta,
2267 sizeof(struct promise_raid_conf),
2268 ATA_R_WRITE | ATA_R_DIRECT)) {
2269 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
2270 error = EIO;
2271 }
2272 }
2273 }
2274 free(meta, M_AR);
2275 return error;
2276 }
2277
2278 /* Highpoint V3 RocketRAID Metadata */
2279 static int
2280 ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp)
2281 {
2282 struct ata_raid_subdisk *ars = device_get_softc(dev);
2283 device_t parent = device_get_parent(dev);
2284 struct hptv3_raid_conf *meta;
2285 struct ar_softc *raid = NULL;
2286 int array, disk_number, retval = 0;
2287
2288 if (!(meta = (struct hptv3_raid_conf *)
2289 malloc(sizeof(struct hptv3_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
2290 return ENOMEM;
2291
2292 if (ata_raid_rw(parent, HPTV3_LBA(parent),
2293 meta, sizeof(struct hptv3_raid_conf), ATA_R_READ)) {
2294 if (testing || bootverbose)
2295 device_printf(parent, "HighPoint (v3) read metadata failed\n");
2296 goto hptv3_out;
2297 }
2298
2299 /* check if this is a HighPoint v3 RAID struct */
2300 if (meta->magic != HPTV3_MAGIC) {
2301 if (testing || bootverbose)
2302 device_printf(parent, "HighPoint (v3) check1 failed\n");
2303 goto hptv3_out;
2304 }
2305
2306 /* check if there are any config_entries */
2307 if (meta->config_entries < 1) {
2308 if (testing || bootverbose)
2309 device_printf(parent, "HighPoint (v3) check2 failed\n");
2310 goto hptv3_out;
2311 }
2312
2313 if (testing || bootverbose)
2314 ata_raid_hptv3_print_meta(meta);
2315
2316 /* now convert HighPoint (v3) metadata into our generic form */
2317 for (array = 0; array < MAX_ARRAYS; array++) {
2318 if (!raidp[array]) {
2319 raidp[array] =
2320 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
2321 M_NOWAIT | M_ZERO);
2322 if (!raidp[array]) {
2323 device_printf(parent, "failed to allocate metadata storage\n");
2324 goto hptv3_out;
2325 }
2326 }
2327 raid = raidp[array];
2328 if (raid->format && (raid->format != AR_F_HPTV3_RAID))
2329 continue;
2330
2331 if ((raid->format & AR_F_HPTV3_RAID) && raid->magic_0 != meta->magic_0)
2332 continue;
2333
2334 switch (meta->configs[0].type) {
2335 case HPTV3_T_RAID0:
2336 raid->type = AR_T_RAID0;
2337 raid->width = meta->configs[0].total_disks;
2338 disk_number = meta->configs[0].disk_number;
2339 break;
2340
2341 case HPTV3_T_RAID1:
2342 raid->type = AR_T_RAID1;
2343 raid->width = meta->configs[0].total_disks / 2;
2344 disk_number = meta->configs[0].disk_number;
2345 break;
2346
2347 case HPTV3_T_RAID5:
2348 raid->type = AR_T_RAID5;
2349 raid->width = meta->configs[0].total_disks;
2350 disk_number = meta->configs[0].disk_number;
2351 break;
2352
2353 case HPTV3_T_SPAN:
2354 raid->type = AR_T_SPAN;
2355 raid->width = meta->configs[0].total_disks;
2356 disk_number = meta->configs[0].disk_number;
2357 break;
2358
2359 default:
2360 device_printf(parent, "Highpoint (v3) unknown RAID type 0x%02x\n",
2361 meta->configs[0].type);
2362 free(raidp[array], M_AR);
2363 raidp[array] = NULL;
2364 goto hptv3_out;
2365 }
2366 if (meta->config_entries == 2) {
2367 switch (meta->configs[1].type) {
2368 case HPTV3_T_RAID1:
2369 if (raid->type == AR_T_RAID0) {
2370 raid->type = AR_T_RAID01;
2371 disk_number = meta->configs[1].disk_number +
2372 (meta->configs[0].disk_number << 1);
2373 break;
2374 }
2375 default:
2376 device_printf(parent, "Highpoint (v3) unknown level 2 0x%02x\n",
2377 meta->configs[1].type);
2378 free(raidp[array], M_AR);
2379 raidp[array] = NULL;
2380 goto hptv3_out;
2381 }
2382 }
2383
2384 raid->magic_0 = meta->magic_0;
2385 raid->format = AR_F_HPTV3_RAID;
2386 raid->generation = meta->timestamp;
2387 raid->interleave = 1 << meta->configs[0].stripe_shift;
2388 raid->total_disks = meta->configs[0].total_disks +
2389 meta->configs[1].total_disks;
2390 raid->total_sectors = meta->configs[0].total_sectors +
2391 ((u_int64_t)meta->configs_high[0].total_sectors << 32);
2392 raid->heads = 255;
2393 raid->sectors = 63;
2394 raid->cylinders = raid->total_sectors / (63 * 255);
2395 raid->offset_sectors = 0;
2396 raid->rebuild_lba = meta->configs[0].rebuild_lba +
2397 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32);
2398 raid->lun = array;
2399 strncpy(raid->name, meta->name,
2400 min(sizeof(raid->name), sizeof(meta->name)));
2401 raid->disks[disk_number].sectors = raid->total_sectors /
2402 (raid->type == AR_T_RAID5 ? raid->width - 1 : raid->width);
2403 raid->disks[disk_number].dev = parent;
2404 raid->disks[disk_number].flags =
2405 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
2406 ars->raid[raid->volume] = raid;
2407 ars->disk_number[raid->volume] = disk_number;
2408 retval = 1;
2409 break;
2410 }
2411
2412 hptv3_out:
2413 free(meta, M_AR);
2414 return retval;
2415 }
2416
2417 /* Intel MatrixRAID Metadata */
2418 static int
2419 ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp)
2420 {
2421 struct ata_raid_subdisk *ars = device_get_softc(dev);
2422 device_t parent = device_get_parent(dev);
2423 struct intel_raid_conf *meta;
2424 struct intel_raid_mapping *map;
2425 struct ar_softc *raid = NULL;
2426 u_int32_t checksum, *ptr;
2427 int array, count, disk, volume = 1, retval = 0;
2428 char *tmp;
2429
2430 if (!(meta = (struct intel_raid_conf *)
2431 malloc(1536, M_AR, M_NOWAIT | M_ZERO)))
2432 return ENOMEM;
2433
2434 if (ata_raid_rw(parent, INTEL_LBA(parent), meta, 1024, ATA_R_READ)) {
2435 if (testing || bootverbose)
2436 device_printf(parent, "Intel read metadata failed\n");
2437 goto intel_out;
2438 }
2439 tmp = (char *)meta;
2440 bcopy(tmp, tmp+1024, 512);
2441 bcopy(tmp+512, tmp, 1024);
2442 bzero(tmp+1024, 512);
2443
2444 /* check if this is a Intel RAID struct */
2445 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) {
2446 if (testing || bootverbose)
2447 device_printf(parent, "Intel check1 failed\n");
2448 goto intel_out;
2449 }
2450
2451 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0;
2452 count < (meta->config_size / sizeof(u_int32_t)); count++) {
2453 checksum += *ptr++;
2454 }
2455 checksum -= meta->checksum;
2456 if (checksum != meta->checksum) {
2457 if (testing || bootverbose)
2458 device_printf(parent, "Intel check2 failed\n");
2459 goto intel_out;
2460 }
2461
2462 if (testing || bootverbose)
2463 ata_raid_intel_print_meta(meta);
2464
2465 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks];
2466
2467 /* now convert Intel metadata into our generic form */
2468 for (array = 0; array < MAX_ARRAYS; array++) {
2469 if (!raidp[array]) {
2470 raidp[array] =
2471 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
2472 M_NOWAIT | M_ZERO);
2473 if (!raidp[array]) {
2474 device_printf(parent, "failed to allocate metadata storage\n");
2475 goto intel_out;
2476 }
2477 }
2478 raid = raidp[array];
2479 if (raid->format && (raid->format != AR_F_INTEL_RAID))
2480 continue;
2481
2482 if ((raid->format & AR_F_INTEL_RAID) &&
2483 (raid->magic_0 != meta->config_id))
2484 continue;
2485
2486 /*
2487 * update our knowledge about the array config based on generation
2488 * NOTE: there can be multiple volumes on a disk set
2489 */
2490 if (!meta->generation || meta->generation > raid->generation) {
2491 switch (map->type) {
2492 case INTEL_T_RAID0:
2493 raid->type = AR_T_RAID0;
2494 raid->width = map->total_disks;
2495 break;
2496
2497 case INTEL_T_RAID1:
2498 if (map->total_disks == 4)
2499 raid->type = AR_T_RAID01;
2500 else
2501 raid->type = AR_T_RAID1;
2502 raid->width = map->total_disks / 2;
2503 break;
2504
2505 case INTEL_T_RAID5:
2506 raid->type = AR_T_RAID5;
2507 raid->width = map->total_disks;
2508 break;
2509
2510 default:
2511 device_printf(parent, "Intel unknown RAID type 0x%02x\n",
2512 map->type);
2513 free(raidp[array], M_AR);
2514 raidp[array] = NULL;
2515 goto intel_out;
2516 }
2517
2518 switch (map->status) {
2519 case INTEL_S_READY:
2520 raid->status = AR_S_READY;
2521 break;
2522 case INTEL_S_DEGRADED:
2523 raid->status |= AR_S_DEGRADED;
2524 break;
2525 case INTEL_S_DISABLED:
2526 case INTEL_S_FAILURE:
2527 raid->status = 0;
2528 }
2529
2530 raid->magic_0 = meta->config_id;
2531 raid->format = AR_F_INTEL_RAID;
2532 raid->generation = meta->generation;
2533 raid->interleave = map->stripe_sectors;
2534 raid->total_disks = map->total_disks;
2535 raid->total_sectors = map->total_sectors;
2536 raid->heads = 255;
2537 raid->sectors = 63;
2538 raid->cylinders = raid->total_sectors / (63 * 255);
2539 raid->offset_sectors = map->offset;
2540 raid->rebuild_lba = 0;
2541 raid->lun = array;
2542 raid->volume = volume - 1;
2543 strncpy(raid->name, map->name,
2544 min(sizeof(raid->name), sizeof(map->name)));
2545
2546 /* clear out any old info */
2547 for (disk = 0; disk < raid->total_disks; disk++) {
2548 u_int disk_idx = map->disk_idx[disk] & 0xffff;
2549
2550 raid->disks[disk].dev = NULL;
2551 bcopy(meta->disk[disk_idx].serial,
2552 raid->disks[disk].serial,
2553 sizeof(raid->disks[disk].serial));
2554 raid->disks[disk].sectors =
2555 meta->disk[disk_idx].sectors;
2556 raid->disks[disk].flags = 0;
2557 if (meta->disk[disk_idx].flags & INTEL_F_ONLINE)
2558 raid->disks[disk].flags |= AR_DF_ONLINE;
2559 if (meta->disk[disk_idx].flags & INTEL_F_ASSIGNED)
2560 raid->disks[disk].flags |= AR_DF_ASSIGNED;
2561 if (meta->disk[disk_idx].flags & INTEL_F_SPARE) {
2562 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED);
2563 raid->disks[disk].flags |= AR_DF_SPARE;
2564 }
2565 if (meta->disk[disk_idx].flags & INTEL_F_DOWN)
2566 raid->disks[disk].flags &= ~AR_DF_ONLINE;
2567 }
2568 }
2569 if (meta->generation >= raid->generation) {
2570 for (disk = 0; disk < raid->total_disks; disk++) {
2571 struct ata_device *atadev = device_get_softc(parent);
2572 int len;
2573
2574 for (len = 0; len < sizeof(atadev->param.serial); len++) {
2575 if (atadev->param.serial[len] < 0x20)
2576 break;
2577 }
2578 len = (len > sizeof(raid->disks[disk].serial)) ?
2579 len - sizeof(raid->disks[disk].serial) : 0;
2580 if (!strncmp(raid->disks[disk].serial, atadev->param.serial + len,
2581 sizeof(raid->disks[disk].serial))) {
2582 raid->disks[disk].dev = parent;
2583 raid->disks[disk].flags |= (AR_DF_PRESENT | AR_DF_ONLINE);
2584 ars->raid[raid->volume] = raid;
2585 ars->disk_number[raid->volume] = disk;
2586 retval = 1;
2587 }
2588 }
2589 }
2590 else
2591 goto intel_out;
2592
2593 if (retval) {
2594 if (volume < meta->total_volumes) {
2595 map = (struct intel_raid_mapping *)
2596 &map->disk_idx[map->total_disks];
2597 volume++;
2598 retval = 0;
2599 continue;
2600 }
2601 break;
2602 }
2603 else {
2604 free(raidp[array], M_AR);
2605 raidp[array] = NULL;
2606 if (volume == 2)
2607 retval = 1;
2608 }
2609 }
2610
2611 intel_out:
2612 free(meta, M_AR);
2613 return retval;
2614 }
2615
2616 static int
2617 ata_raid_intel_write_meta(struct ar_softc *rdp)
2618 {
2619 struct intel_raid_conf *meta;
2620 struct intel_raid_mapping *map;
2621 struct timeval timestamp;
2622 u_int32_t checksum, *ptr;
2623 int count, disk, error = 0;
2624 char *tmp;
2625
2626 if (!(meta = (struct intel_raid_conf *)
2627 malloc(1536, M_AR, M_NOWAIT | M_ZERO))) {
2628 printf("ar%d: failed to allocate metadata storage\n", rdp->lun);
2629 return ENOMEM;
2630 }
2631
2632 rdp->generation++;
2633 if (!rdp->magic_0) {
2634 microtime(×tamp);
2635 rdp->magic_0 = timestamp.tv_sec ^ timestamp.tv_usec;
2636 }
2637
2638 bcopy(INTEL_MAGIC, meta->intel_id, sizeof(meta->intel_id));
2639 bcopy(INTEL_VERSION_1100, meta->version, sizeof(meta->version));
2640 meta->config_id = rdp->magic_0;
2641 meta->generation = rdp->generation;
2642 meta->total_disks = rdp->total_disks;
2643 meta->total_volumes = 1; /* XXX SOS */
2644 for (disk = 0; disk < rdp->total_disks; disk++) {
2645 if (rdp->disks[disk].dev) {
2646 struct ata_channel *ch =
2647 device_get_softc(device_get_parent(rdp->disks[disk].dev));
2648 struct ata_device *atadev =
2649 device_get_softc(rdp->disks[disk].dev);
2650 int len;
2651
2652 for (len = 0; len < sizeof(atadev->param.serial); len++) {
2653 if (atadev->param.serial[len] < 0x20)
2654 break;
2655 }
2656 len = (len > sizeof(rdp->disks[disk].serial)) ?
2657 len - sizeof(rdp->disks[disk].serial) : 0;
2658 bcopy(atadev->param.serial + len, meta->disk[disk].serial,
2659 sizeof(rdp->disks[disk].serial));
2660 meta->disk[disk].sectors = rdp->disks[disk].sectors;
2661 meta->disk[disk].id = (ch->unit << 16) | atadev->unit;
2662 }
2663 else
2664 meta->disk[disk].sectors = rdp->total_sectors / rdp->width;
2665 meta->disk[disk].flags = 0;
2666 if (rdp->disks[disk].flags & AR_DF_SPARE)
2667 meta->disk[disk].flags |= INTEL_F_SPARE;
2668 else {
2669 if (rdp->disks[disk].flags & AR_DF_ONLINE)
2670 meta->disk[disk].flags |= INTEL_F_ONLINE;
2671 else
2672 meta->disk[disk].flags |= INTEL_F_DOWN;
2673 if (rdp->disks[disk].flags & AR_DF_ASSIGNED)
2674 meta->disk[disk].flags |= INTEL_F_ASSIGNED;
2675 }
2676 }
2677 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks];
2678
2679 bcopy(rdp->name, map->name, sizeof(rdp->name));
2680 map->total_sectors = rdp->total_sectors;
2681 map->state = 12; /* XXX SOS */
2682 map->offset = rdp->offset_sectors;
2683 map->stripe_count = rdp->total_sectors / (rdp->interleave*rdp->total_disks);
2684 map->stripe_sectors = rdp->interleave;
2685 map->disk_sectors = rdp->total_sectors / rdp->width;
2686 map->status = INTEL_S_READY; /* XXX SOS */
2687 switch (rdp->type) {
2688 case AR_T_RAID0:
2689 map->type = INTEL_T_RAID0;
2690 break;
2691 case AR_T_RAID1:
2692 map->type = INTEL_T_RAID1;
2693 break;
2694 case AR_T_RAID01:
2695 map->type = INTEL_T_RAID1;
2696 break;
2697 case AR_T_RAID5:
2698 map->type = INTEL_T_RAID5;
2699 break;
2700 default:
2701 free(meta, M_AR);
2702 return ENODEV;
2703 }
2704 map->total_disks = rdp->total_disks;
2705 map->magic[0] = 0x02;
2706 map->magic[1] = 0xff;
2707 map->magic[2] = 0x01;
2708 for (disk = 0; disk < rdp->total_disks; disk++)
2709 map->disk_idx[disk] = disk;
2710
2711 meta->config_size = (char *)&map->disk_idx[disk] - (char *)meta;
2712 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0;
2713 count < (meta->config_size / sizeof(u_int32_t)); count++) {
2714 checksum += *ptr++;
2715 }
2716 meta->checksum = checksum;
2717
2718 if (testing || bootverbose)
2719 ata_raid_intel_print_meta(meta);
2720
2721 tmp = (char *)meta;
2722 bcopy(tmp, tmp+1024, 512);
2723 bcopy(tmp+512, tmp, 1024);
2724 bzero(tmp+1024, 512);
2725
2726 for (disk = 0; disk < rdp->total_disks; disk++) {
2727 if (rdp->disks[disk].dev) {
2728 if (ata_raid_rw(rdp->disks[disk].dev,
2729 INTEL_LBA(rdp->disks[disk].dev),
2730 meta, 1024, ATA_R_WRITE | ATA_R_DIRECT)) {
2731 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
2732 error = EIO;
2733 }
2734 }
2735 }
2736 free(meta, M_AR);
2737 return error;
2738 }
2739
2740
2741 /* Integrated Technology Express Metadata */
2742 static int
2743 ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp)
2744 {
2745 struct ata_raid_subdisk *ars = device_get_softc(dev);
2746 device_t parent = device_get_parent(dev);
2747 struct ite_raid_conf *meta;
2748 struct ar_softc *raid = NULL;
2749 int array, disk_number, count, retval = 0;
2750 u_int16_t *ptr;
2751
2752 if (!(meta = (struct ite_raid_conf *)
2753 malloc(sizeof(struct ite_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
2754 return ENOMEM;
2755
2756 if (ata_raid_rw(parent, ITE_LBA(parent),
2757 meta, sizeof(struct ite_raid_conf), ATA_R_READ)) {
2758 if (testing || bootverbose)
2759 device_printf(parent, "ITE read metadata failed\n");
2760 goto ite_out;
2761 }
2762
2763 /* check if this is a ITE RAID struct */
2764 for (ptr = (u_int16_t *)meta->ite_id, count = 0;
2765 count < sizeof(meta->ite_id)/sizeof(uint16_t); count++)
2766 ptr[count] = be16toh(ptr[count]);
2767
2768 if (strncmp(meta->ite_id, ITE_MAGIC, strlen(ITE_MAGIC))) {
2769 if (testing || bootverbose)
2770 device_printf(parent, "ITE check1 failed\n");
2771 goto ite_out;
2772 }
2773
2774 if (testing || bootverbose)
2775 ata_raid_ite_print_meta(meta);
2776
2777 /* now convert ITE metadata into our generic form */
2778 for (array = 0; array < MAX_ARRAYS; array++) {
2779 if ((raid = raidp[array])) {
2780 if (raid->format != AR_F_ITE_RAID)
2781 continue;
2782 if (raid->magic_0 != *((u_int64_t *)meta->timestamp_0))
2783 continue;
2784 }
2785
2786 /* if we dont have a disks timestamp the RAID is invalidated */
2787 if (*((u_int64_t *)meta->timestamp_1) == 0)
2788 goto ite_out;
2789
2790 if (!raid) {
2791 raidp[array] = (struct ar_softc *)malloc(sizeof(struct ar_softc),
2792 M_AR, M_NOWAIT | M_ZERO);
2793 if (!(raid = raidp[array])) {
2794 device_printf(parent, "failed to allocate metadata storage\n");
2795 goto ite_out;
2796 }
2797 }
2798
2799 switch (meta->type) {
2800 case ITE_T_RAID0:
2801 raid->type = AR_T_RAID0;
2802 raid->width = meta->array_width;
2803 raid->total_disks = meta->array_width;
2804 disk_number = meta->disk_number;
2805 break;
2806
2807 case ITE_T_RAID1:
2808 raid->type = AR_T_RAID1;
2809 raid->width = 1;
2810 raid->total_disks = 2;
2811 disk_number = meta->disk_number;
2812 break;
2813
2814 case ITE_T_RAID01:
2815 raid->type = AR_T_RAID01;
2816 raid->width = meta->array_width;
2817 raid->total_disks = 4;
2818 disk_number = ((meta->disk_number & 0x02) >> 1) |
2819 ((meta->disk_number & 0x01) << 1);
2820 break;
2821
2822 case ITE_T_SPAN:
2823 raid->type = AR_T_SPAN;
2824 raid->width = 1;
2825 raid->total_disks = meta->array_width;
2826 disk_number = meta->disk_number;
2827 break;
2828
2829 default:
2830 device_printf(parent, "ITE unknown RAID type 0x%02x\n", meta->type);
2831 free(raidp[array], M_AR);
2832 raidp[array] = NULL;
2833 goto ite_out;
2834 }
2835
2836 raid->magic_0 = *((u_int64_t *)meta->timestamp_0);
2837 raid->format = AR_F_ITE_RAID;
2838 raid->generation = 0;
2839 raid->interleave = meta->stripe_sectors;
2840 raid->total_sectors = meta->total_sectors;
2841 raid->heads = 255;
2842 raid->sectors = 63;
2843 raid->cylinders = raid->total_sectors / (63 * 255);
2844 raid->offset_sectors = 0;
2845 raid->rebuild_lba = 0;
2846 raid->lun = array;
2847
2848 raid->disks[disk_number].dev = parent;
2849 raid->disks[disk_number].sectors = raid->total_sectors / raid->width;
2850 raid->disks[disk_number].flags =
2851 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
2852 ars->raid[raid->volume] = raid;
2853 ars->disk_number[raid->volume] = disk_number;
2854 retval = 1;
2855 break;
2856 }
2857 ite_out:
2858 free(meta, M_AR);
2859 return retval;
2860 }
2861
2862 /* JMicron Technology Corp Metadata */
2863 static int
2864 ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp)
2865 {
2866 struct ata_raid_subdisk *ars = device_get_softc(dev);
2867 device_t parent = device_get_parent(dev);
2868 struct jmicron_raid_conf *meta;
2869 struct ar_softc *raid = NULL;
2870 u_int16_t checksum, *ptr;
2871 u_int64_t disk_size;
2872 int count, array, disk, total_disks, retval = 0;
2873
2874 if (!(meta = (struct jmicron_raid_conf *)
2875 malloc(sizeof(struct jmicron_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
2876 return ENOMEM;
2877
2878 if (ata_raid_rw(parent, JMICRON_LBA(parent),
2879 meta, sizeof(struct jmicron_raid_conf), ATA_R_READ)) {
2880 if (testing || bootverbose)
2881 device_printf(parent,
2882 "JMicron read metadata failed\n");
2883 }
2884
2885 /* check for JMicron signature */
2886 if (strncmp(meta->signature, JMICRON_MAGIC, 2)) {
2887 if (testing || bootverbose)
2888 device_printf(parent, "JMicron check1 failed\n");
2889 goto jmicron_out;
2890 }
2891
2892 /* calculate checksum and compare for valid */
2893 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 64; count++)
2894 checksum += *ptr++;
2895 if (checksum) {
2896 if (testing || bootverbose)
2897 device_printf(parent, "JMicron check2 failed\n");
2898 goto jmicron_out;
2899 }
2900
2901 if (testing || bootverbose)
2902 ata_raid_jmicron_print_meta(meta);
2903
2904 /* now convert JMicron meta into our generic form */
2905 for (array = 0; array < MAX_ARRAYS; array++) {
2906 jmicron_next:
2907 if (!raidp[array]) {
2908 raidp[array] =
2909 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
2910 M_NOWAIT | M_ZERO);
2911 if (!raidp[array]) {
2912 device_printf(parent, "failed to allocate metadata storage\n");
2913 goto jmicron_out;
2914 }
2915 }
2916 raid = raidp[array];
2917 if (raid->format && (raid->format != AR_F_JMICRON_RAID))
2918 continue;
2919
2920 for (total_disks = 0, disk = 0; disk < JM_MAX_DISKS; disk++) {
2921 if (meta->disks[disk]) {
2922 if (raid->format == AR_F_JMICRON_RAID) {
2923 if (bcmp(&meta->disks[disk],
2924 raid->disks[disk].serial, sizeof(u_int32_t))) {
2925 array++;
2926 goto jmicron_next;
2927 }
2928 }
2929 else
2930 bcopy(&meta->disks[disk],
2931 raid->disks[disk].serial, sizeof(u_int32_t));
2932 total_disks++;
2933 }
2934 }
2935 /* handle spares XXX SOS */
2936
2937 switch (meta->type) {
2938 case JM_T_RAID0:
2939 raid->type = AR_T_RAID0;
2940 raid->width = total_disks;
2941 break;
2942
2943 case JM_T_RAID1:
2944 raid->type = AR_T_RAID1;
2945 raid->width = 1;
2946 break;
2947
2948 case JM_T_RAID01:
2949 raid->type = AR_T_RAID01;
2950 raid->width = total_disks / 2;
2951 break;
2952
2953 case JM_T_RAID5:
2954 raid->type = AR_T_RAID5;
2955 raid->width = total_disks;
2956 break;
2957
2958 case JM_T_JBOD:
2959 raid->type = AR_T_SPAN;
2960 raid->width = 1;
2961 break;
2962
2963 default:
2964 device_printf(parent,
2965 "JMicron unknown RAID type 0x%02x\n", meta->type);
2966 free(raidp[array], M_AR);
2967 raidp[array] = NULL;
2968 goto jmicron_out;
2969 }
2970 disk_size = (meta->disk_sectors_high << 16) + meta->disk_sectors_low;
2971 raid->format = AR_F_JMICRON_RAID;
2972 strncpy(raid->name, meta->name, sizeof(meta->name));
2973 raid->generation = 0;
2974 raid->interleave = 2 << meta->stripe_shift;
2975 raid->total_disks = total_disks;
2976 raid->total_sectors = disk_size * (raid->width-(raid->type==AR_RAID5));
2977 raid->heads = 255;
2978 raid->sectors = 63;
2979 raid->cylinders = raid->total_sectors / (63 * 255);
2980 raid->offset_sectors = meta->offset * 16;
2981 raid->rebuild_lba = 0;
2982 raid->lun = array;
2983
2984 for (disk = 0; disk < raid->total_disks; disk++) {
2985 if (meta->disks[disk] == meta->disk_id) {
2986 raid->disks[disk].dev = parent;
2987 raid->disks[disk].sectors = disk_size;
2988 raid->disks[disk].flags =
2989 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
2990 ars->raid[raid->volume] = raid;
2991 ars->disk_number[raid->volume] = disk;
2992 retval = 1;
2993 break;
2994 }
2995 }
2996 break;
2997 }
2998 jmicron_out:
2999 free(meta, M_AR);
3000 return retval;
3001 }
3002
3003 static int
3004 ata_raid_jmicron_write_meta(struct ar_softc *rdp)
3005 {
3006 struct jmicron_raid_conf *meta;
3007 u_int64_t disk_sectors;
3008 int disk, error = 0;
3009
3010 if (!(meta = (struct jmicron_raid_conf *)
3011 malloc(sizeof(struct jmicron_raid_conf), M_AR, M_NOWAIT | M_ZERO))) {
3012 printf("ar%d: failed to allocate metadata storage\n", rdp->lun);
3013 return ENOMEM;
3014 }
3015
3016 rdp->generation++;
3017 switch (rdp->type) {
3018 case AR_T_JBOD:
3019 meta->type = JM_T_JBOD;
3020 break;
3021
3022 case AR_T_RAID0:
3023 meta->type = JM_T_RAID0;
3024 break;
3025
3026 case AR_T_RAID1:
3027 meta->type = JM_T_RAID1;
3028 break;
3029
3030 case AR_T_RAID5:
3031 meta->type = JM_T_RAID5;
3032 break;
3033
3034 case AR_T_RAID01:
3035 meta->type = JM_T_RAID01;
3036 break;
3037
3038 default:
3039 free(meta, M_AR);
3040 return ENODEV;
3041 }
3042 bcopy(JMICRON_MAGIC, meta->signature, sizeof(JMICRON_MAGIC));
3043 meta->version = JMICRON_VERSION;
3044 meta->offset = rdp->offset_sectors / 16;
3045 disk_sectors = rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5));
3046 meta->disk_sectors_low = disk_sectors & 0xffff;
3047 meta->disk_sectors_high = disk_sectors >> 16;
3048 strncpy(meta->name, rdp->name, sizeof(meta->name));
3049 meta->stripe_shift = ffs(rdp->interleave) - 2;
3050
3051 for (disk = 0; disk < rdp->total_disks; disk++) {
3052 if (rdp->disks[disk].serial[0])
3053 bcopy(rdp->disks[disk].serial,&meta->disks[disk],sizeof(u_int32_t));
3054 else
3055 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev;
3056 }
3057
3058 for (disk = 0; disk < rdp->total_disks; disk++) {
3059 if (rdp->disks[disk].dev) {
3060 u_int16_t checksum = 0, *ptr;
3061 int count;
3062
3063 meta->disk_id = meta->disks[disk];
3064 meta->checksum = 0;
3065 for (ptr = (u_int16_t *)meta, count = 0; count < 64; count++)
3066 checksum += *ptr++;
3067 meta->checksum -= checksum;
3068
3069 if (testing || bootverbose)
3070 ata_raid_jmicron_print_meta(meta);
3071
3072 if (ata_raid_rw(rdp->disks[disk].dev,
3073 JMICRON_LBA(rdp->disks[disk].dev),
3074 meta, sizeof(struct jmicron_raid_conf),
3075 ATA_R_WRITE | ATA_R_DIRECT)) {
3076 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
3077 error = EIO;
3078 }
3079 }
3080 }
3081 /* handle spares XXX SOS */
3082
3083 free(meta, M_AR);
3084 return error;
3085 }
3086
3087 /* LSILogic V2 MegaRAID Metadata */
3088 static int
3089 ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp)
3090 {
3091 struct ata_raid_subdisk *ars = device_get_softc(dev);
3092 device_t parent = device_get_parent(dev);
3093 struct lsiv2_raid_conf *meta;
3094 struct ar_softc *raid = NULL;
3095 int array, retval = 0;
3096
3097 if (!(meta = (struct lsiv2_raid_conf *)
3098 malloc(sizeof(struct lsiv2_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
3099 return ENOMEM;
3100
3101 if (ata_raid_rw(parent, LSIV2_LBA(parent),
3102 meta, sizeof(struct lsiv2_raid_conf), ATA_R_READ)) {
3103 if (testing || bootverbose)
3104 device_printf(parent, "LSI (v2) read metadata failed\n");
3105 goto lsiv2_out;
3106 }
3107
3108 /* check if this is a LSI RAID struct */
3109 if (strncmp(meta->lsi_id, LSIV2_MAGIC, strlen(LSIV2_MAGIC))) {
3110 if (testing || bootverbose)
3111 device_printf(parent, "LSI (v2) check1 failed\n");
3112 goto lsiv2_out;
3113 }
3114
3115 if (testing || bootverbose)
3116 ata_raid_lsiv2_print_meta(meta);
3117
3118 /* now convert LSI (v2) config meta into our generic form */
3119 for (array = 0; array < MAX_ARRAYS; array++) {
3120 int raid_entry, conf_entry;
3121
3122 if (!raidp[array + meta->raid_number]) {
3123 raidp[array + meta->raid_number] =
3124 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
3125 M_NOWAIT | M_ZERO);
3126 if (!raidp[array + meta->raid_number]) {
3127 device_printf(parent, "failed to allocate metadata storage\n");
3128 goto lsiv2_out;
3129 }
3130 }
3131 raid = raidp[array + meta->raid_number];
3132 if (raid->format && (raid->format != AR_F_LSIV2_RAID))
3133 continue;
3134
3135 if (raid->magic_0 &&
3136 ((raid->magic_0 != meta->timestamp) ||
3137 (raid->magic_1 != meta->raid_number)))
3138 continue;
3139
3140 array += meta->raid_number;
3141
3142 raid_entry = meta->raid_number;
3143 conf_entry = (meta->configs[raid_entry].raid.config_offset >> 4) +
3144 meta->disk_number - 1;
3145
3146 switch (meta->configs[raid_entry].raid.type) {
3147 case LSIV2_T_RAID0:
3148 raid->magic_0 = meta->timestamp;
3149 raid->magic_1 = meta->raid_number;
3150 raid->type = AR_T_RAID0;
3151 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors;
3152 raid->width = meta->configs[raid_entry].raid.array_width;
3153 break;
3154
3155 case LSIV2_T_RAID1:
3156 raid->magic_0 = meta->timestamp;
3157 raid->magic_1 = meta->raid_number;
3158 raid->type = AR_T_RAID1;
3159 raid->width = meta->configs[raid_entry].raid.array_width;
3160 break;
3161
3162 case LSIV2_T_RAID0 | LSIV2_T_RAID1:
3163 raid->magic_0 = meta->timestamp;
3164 raid->magic_1 = meta->raid_number;
3165 raid->type = AR_T_RAID01;
3166 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors;
3167 raid->width = meta->configs[raid_entry].raid.array_width;
3168 break;
3169
3170 default:
3171 device_printf(parent, "LSI v2 unknown RAID type 0x%02x\n",
3172 meta->configs[raid_entry].raid.type);
3173 free(raidp[array], M_AR);
3174 raidp[array] = NULL;
3175 goto lsiv2_out;
3176 }
3177
3178 raid->format = AR_F_LSIV2_RAID;
3179 raid->generation = 0;
3180 raid->total_disks = meta->configs[raid_entry].raid.disk_count;
3181 raid->total_sectors = meta->configs[raid_entry].raid.total_sectors;
3182 raid->heads = 255;
3183 raid->sectors = 63;
3184 raid->cylinders = raid->total_sectors / (63 * 255);
3185 raid->offset_sectors = 0;
3186 raid->rebuild_lba = 0;
3187 raid->lun = array;
3188
3189 if (meta->configs[conf_entry].disk.device != LSIV2_D_NONE) {
3190 raid->disks[meta->disk_number].dev = parent;
3191 raid->disks[meta->disk_number].sectors =
3192 meta->configs[conf_entry].disk.disk_sectors;
3193 raid->disks[meta->disk_number].flags =
3194 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
3195 ars->raid[raid->volume] = raid;
3196 ars->disk_number[raid->volume] = meta->disk_number;
3197 retval = 1;
3198 }
3199 else
3200 raid->disks[meta->disk_number].flags &= ~AR_DF_ONLINE;
3201
3202 break;
3203 }
3204
3205 lsiv2_out:
3206 free(meta, M_AR);
3207 return retval;
3208 }
3209
3210 /* LSILogic V3 MegaRAID Metadata */
3211 static int
3212 ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp)
3213 {
3214 struct ata_raid_subdisk *ars = device_get_softc(dev);
3215 device_t parent = device_get_parent(dev);
3216 struct lsiv3_raid_conf *meta;
3217 struct ar_softc *raid = NULL;
3218 u_int8_t checksum, *ptr;
3219 int array, entry, count, disk_number, retval = 0;
3220
3221 if (!(meta = (struct lsiv3_raid_conf *)
3222 malloc(sizeof(struct lsiv3_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
3223 return ENOMEM;
3224
3225 if (ata_raid_rw(parent, LSIV3_LBA(parent),
3226 meta, sizeof(struct lsiv3_raid_conf), ATA_R_READ)) {
3227 if (testing || bootverbose)
3228 device_printf(parent, "LSI (v3) read metadata failed\n");
3229 goto lsiv3_out;
3230 }
3231
3232 /* check if this is a LSI RAID struct */
3233 if (strncmp(meta->lsi_id, LSIV3_MAGIC, strlen(LSIV3_MAGIC))) {
3234 if (testing || bootverbose)
3235 device_printf(parent, "LSI (v3) check1 failed\n");
3236 goto lsiv3_out;
3237 }
3238
3239 /* check if the checksum is OK */
3240 for (checksum = 0, ptr = meta->lsi_id, count = 0; count < 512; count++)
3241 checksum += *ptr++;
3242 if (checksum) {
3243 if (testing || bootverbose)
3244 device_printf(parent, "LSI (v3) check2 failed\n");
3245 goto lsiv3_out;
3246 }
3247
3248 if (testing || bootverbose)
3249 ata_raid_lsiv3_print_meta(meta);
3250
3251 /* now convert LSI (v3) config meta into our generic form */
3252 for (array = 0, entry = 0; array < MAX_ARRAYS && entry < 8;) {
3253 if (!raidp[array]) {
3254 raidp[array] =
3255 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
3256 M_NOWAIT | M_ZERO);
3257 if (!raidp[array]) {
3258 device_printf(parent, "failed to allocate metadata storage\n");
3259 goto lsiv3_out;
3260 }
3261 }
3262 raid = raidp[array];
3263 if (raid->format && (raid->format != AR_F_LSIV3_RAID)) {
3264 array++;
3265 continue;
3266 }
3267
3268 if ((raid->format == AR_F_LSIV3_RAID) &&
3269 (raid->magic_0 != meta->timestamp)) {
3270 array++;
3271 continue;
3272 }
3273
3274 switch (meta->raid[entry].total_disks) {
3275 case 0:
3276 entry++;
3277 continue;
3278 case 1:
3279 if (meta->raid[entry].device == meta->device) {
3280 disk_number = 0;
3281 break;
3282 }
3283 if (raid->format)
3284 array++;
3285 entry++;
3286 continue;
3287 case 2:
3288 disk_number = (meta->device & (LSIV3_D_DEVICE|LSIV3_D_CHANNEL))?1:0;
3289 break;
3290 default:
3291 device_printf(parent, "lsiv3 > 2 disk support untested!!\n");
3292 disk_number = (meta->device & LSIV3_D_DEVICE ? 1 : 0) +
3293 (meta->device & LSIV3_D_CHANNEL ? 2 : 0);
3294 break;
3295 }
3296
3297 switch (meta->raid[entry].type) {
3298 case LSIV3_T_RAID0:
3299 raid->type = AR_T_RAID0;
3300 raid->width = meta->raid[entry].total_disks;
3301 break;
3302
3303 case LSIV3_T_RAID1:
3304 raid->type = AR_T_RAID1;
3305 raid->width = meta->raid[entry].array_width;
3306 break;
3307
3308 default:
3309 device_printf(parent, "LSI v3 unknown RAID type 0x%02x\n",
3310 meta->raid[entry].type);
3311 free(raidp[array], M_AR);
3312 raidp[array] = NULL;
3313 entry++;
3314 continue;
3315 }
3316
3317 raid->magic_0 = meta->timestamp;
3318 raid->format = AR_F_LSIV3_RAID;
3319 raid->generation = 0;
3320 raid->interleave = meta->raid[entry].stripe_pages * 8;
3321 raid->total_disks = meta->raid[entry].total_disks;
3322 raid->total_sectors = raid->width * meta->raid[entry].sectors;
3323 raid->heads = 255;
3324 raid->sectors = 63;
3325 raid->cylinders = raid->total_sectors / (63 * 255);
3326 raid->offset_sectors = meta->raid[entry].offset;
3327 raid->rebuild_lba = 0;
3328 raid->lun = array;
3329
3330 raid->disks[disk_number].dev = parent;
3331 raid->disks[disk_number].sectors = raid->total_sectors / raid->width;
3332 raid->disks[disk_number].flags =
3333 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
3334 ars->raid[raid->volume] = raid;
3335 ars->disk_number[raid->volume] = disk_number;
3336 retval = 1;
3337 entry++;
3338 array++;
3339 }
3340
3341 lsiv3_out:
3342 free(meta, M_AR);
3343 return retval;
3344 }
3345
3346 /* nVidia MediaShield Metadata */
3347 static int
3348 ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp)
3349 {
3350 struct ata_raid_subdisk *ars = device_get_softc(dev);
3351 device_t parent = device_get_parent(dev);
3352 struct nvidia_raid_conf *meta;
3353 struct ar_softc *raid = NULL;
3354 u_int32_t checksum, *ptr;
3355 int array, count, retval = 0;
3356
3357 if (!(meta = (struct nvidia_raid_conf *)
3358 malloc(sizeof(struct nvidia_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
3359 return ENOMEM;
3360
3361 if (ata_raid_rw(parent, NVIDIA_LBA(parent),
3362 meta, sizeof(struct nvidia_raid_conf), ATA_R_READ)) {
3363 if (testing || bootverbose)
3364 device_printf(parent, "nVidia read metadata failed\n");
3365 goto nvidia_out;
3366 }
3367
3368 /* check if this is a nVidia RAID struct */
3369 if (strncmp(meta->nvidia_id, NV_MAGIC, strlen(NV_MAGIC))) {
3370 if (testing || bootverbose)
3371 device_printf(parent, "nVidia check1 failed\n");
3372 goto nvidia_out;
3373 }
3374
3375 /* check if the checksum is OK */
3376 for (checksum = 0, ptr = (u_int32_t*)meta, count = 0;
3377 count < meta->config_size; count++)
3378 checksum += *ptr++;
3379 if (checksum) {
3380 if (testing || bootverbose)
3381 device_printf(parent, "nVidia check2 failed\n");
3382 goto nvidia_out;
3383 }
3384
3385 if (testing || bootverbose)
3386 ata_raid_nvidia_print_meta(meta);
3387
3388 /* now convert nVidia meta into our generic form */
3389 for (array = 0; array < MAX_ARRAYS; array++) {
3390 if (!raidp[array]) {
3391 raidp[array] =
3392 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
3393 M_NOWAIT | M_ZERO);
3394 if (!raidp[array]) {
3395 device_printf(parent, "failed to allocate metadata storage\n");
3396 goto nvidia_out;
3397 }
3398 }
3399 raid = raidp[array];
3400 if (raid->format && (raid->format != AR_F_NVIDIA_RAID))
3401 continue;
3402
3403 if (raid->format == AR_F_NVIDIA_RAID &&
3404 ((raid->magic_0 != meta->magic_1) ||
3405 (raid->magic_1 != meta->magic_2))) {
3406 continue;
3407 }
3408
3409 switch (meta->type) {
3410 case NV_T_SPAN:
3411 raid->type = AR_T_SPAN;
3412 break;
3413
3414 case NV_T_RAID0:
3415 raid->type = AR_T_RAID0;
3416 break;
3417
3418 case NV_T_RAID1:
3419 raid->type = AR_T_RAID1;
3420 break;
3421
3422 case NV_T_RAID5:
3423 raid->type = AR_T_RAID5;
3424 break;
3425
3426 case NV_T_RAID01:
3427 raid->type = AR_T_RAID01;
3428 break;
3429
3430 default:
3431 device_printf(parent, "nVidia unknown RAID type 0x%02x\n",
3432 meta->type);
3433 free(raidp[array], M_AR);
3434 raidp[array] = NULL;
3435 goto nvidia_out;
3436 }
3437 raid->magic_0 = meta->magic_1;
3438 raid->magic_1 = meta->magic_2;
3439 raid->format = AR_F_NVIDIA_RAID;
3440 raid->generation = 0;
3441 raid->interleave = meta->stripe_sectors;
3442 raid->width = meta->array_width;
3443 raid->total_disks = meta->total_disks;
3444 raid->total_sectors = meta->total_sectors;
3445 raid->heads = 255;
3446 raid->sectors = 63;
3447 raid->cylinders = raid->total_sectors / (63 * 255);
3448 raid->offset_sectors = 0;
3449 raid->rebuild_lba = meta->rebuild_lba;
3450 raid->lun = array;
3451 raid->status = AR_S_READY;
3452 if (meta->status & NV_S_DEGRADED)
3453 raid->status |= AR_S_DEGRADED;
3454
3455 raid->disks[meta->disk_number].dev = parent;
3456 raid->disks[meta->disk_number].sectors =
3457 raid->total_sectors / raid->width;
3458 raid->disks[meta->disk_number].flags =
3459 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
3460 ars->raid[raid->volume] = raid;
3461 ars->disk_number[raid->volume] = meta->disk_number;
3462 retval = 1;
3463 break;
3464 }
3465
3466 nvidia_out:
3467 free(meta, M_AR);
3468 return retval;
3469 }
3470
3471 /* Promise FastTrak Metadata */
3472 static int
3473 ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native)
3474 {
3475 struct ata_raid_subdisk *ars = device_get_softc(dev);
3476 device_t parent = device_get_parent(dev);
3477 struct promise_raid_conf *meta;
3478 struct ar_softc *raid;
3479 u_int32_t checksum, *ptr;
3480 int array, count, disk, disksum = 0, retval = 0;
3481
3482 if (!(meta = (struct promise_raid_conf *)
3483 malloc(sizeof(struct promise_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
3484 return ENOMEM;
3485
3486 if (ata_raid_rw(parent, PROMISE_LBA(parent),
3487 meta, sizeof(struct promise_raid_conf), ATA_R_READ)) {
3488 if (testing || bootverbose)
3489 device_printf(parent, "%s read metadata failed\n",
3490 native ? "FreeBSD" : "Promise");
3491 goto promise_out;
3492 }
3493
3494 /* check the signature */
3495 if (native) {
3496 if (strncmp(meta->promise_id, ATA_MAGIC, strlen(ATA_MAGIC))) {
3497 if (testing || bootverbose)
3498 device_printf(parent, "FreeBSD check1 failed\n");
3499 goto promise_out;
3500 }
3501 }
3502 else {
3503 if (strncmp(meta->promise_id, PR_MAGIC, strlen(PR_MAGIC))) {
3504 if (testing || bootverbose)
3505 device_printf(parent, "Promise check1 failed\n");
3506 goto promise_out;
3507 }
3508 }
3509
3510 /* check if the checksum is OK */
3511 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; count < 511; count++)
3512 checksum += *ptr++;
3513 if (checksum != *ptr) {
3514 if (testing || bootverbose)
3515 device_printf(parent, "%s check2 failed\n",
3516 native ? "FreeBSD" : "Promise");
3517 goto promise_out;
3518 }
3519
3520 /* check on disk integrity status */
3521 if (meta->raid.integrity != PR_I_VALID) {
3522 if (testing || bootverbose)
3523 device_printf(parent, "%s check3 failed\n",
3524 native ? "FreeBSD" : "Promise");
3525 goto promise_out;
3526 }
3527
3528 if (testing || bootverbose)
3529 ata_raid_promise_print_meta(meta);
3530
3531 /* now convert Promise metadata into our generic form */
3532 for (array = 0; array < MAX_ARRAYS; array++) {
3533 if (!raidp[array]) {
3534 raidp[array] =
3535 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
3536 M_NOWAIT | M_ZERO);
3537 if (!raidp[array]) {
3538 device_printf(parent, "failed to allocate metadata storage\n");
3539 goto promise_out;
3540 }
3541 }
3542 raid = raidp[array];
3543 if (raid->format &&
3544 (raid->format != (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID)))
3545 continue;
3546
3547 if ((raid->format == (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))&&
3548 !(meta->raid.magic_1 == (raid->magic_1)))
3549 continue;
3550
3551 /* update our knowledge about the array config based on generation */
3552 if (!meta->raid.generation || meta->raid.generation > raid->generation){
3553 switch (meta->raid.type) {
3554 case PR_T_SPAN:
3555 raid->type = AR_T_SPAN;
3556 break;
3557
3558 case PR_T_JBOD:
3559 raid->type = AR_T_JBOD;
3560 break;
3561
3562 case PR_T_RAID0:
3563 raid->type = AR_T_RAID0;
3564 break;
3565
3566 case PR_T_RAID1:
3567 raid->type = AR_T_RAID1;
3568 if (meta->raid.array_width > 1)
3569 raid->type = AR_T_RAID01;
3570 break;
3571
3572 case PR_T_RAID5:
3573 raid->type = AR_T_RAID5;
3574 break;
3575
3576 default:
3577 device_printf(parent, "%s unknown RAID type 0x%02x\n",
3578 native ? "FreeBSD" : "Promise", meta->raid.type);
3579 free(raidp[array], M_AR);
3580 raidp[array] = NULL;
3581 goto promise_out;
3582 }
3583 raid->magic_1 = meta->raid.magic_1;
3584 raid->format = (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID);
3585 raid->generation = meta->raid.generation;
3586 raid->interleave = 1 << meta->raid.stripe_shift;
3587 raid->width = meta->raid.array_width;
3588 raid->total_disks = meta->raid.total_disks;
3589 raid->heads = meta->raid.heads + 1;
3590 raid->sectors = meta->raid.sectors;
3591 raid->cylinders = meta->raid.cylinders + 1;
3592 raid->total_sectors = meta->raid.total_sectors;
3593 raid->offset_sectors = 0;
3594 raid->rebuild_lba = meta->raid.rebuild_lba;
3595 raid->lun = array;
3596 if ((meta->raid.status &
3597 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) ==
3598 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) {
3599 raid->status |= AR_S_READY;
3600 if (meta->raid.status & PR_S_DEGRADED)
3601 raid->status |= AR_S_DEGRADED;
3602 }
3603 else
3604 raid->status &= ~AR_S_READY;
3605
3606 /* convert disk flags to our internal types */
3607 for (disk = 0; disk < meta->raid.total_disks; disk++) {
3608 raid->disks[disk].dev = NULL;
3609 raid->disks[disk].flags = 0;
3610 *((u_int64_t *)(raid->disks[disk].serial)) =
3611 meta->raid.disk[disk].magic_0;
3612 disksum += meta->raid.disk[disk].flags;
3613 if (meta->raid.disk[disk].flags & PR_F_ONLINE)
3614 raid->disks[disk].flags |= AR_DF_ONLINE;
3615 if (meta->raid.disk[disk].flags & PR_F_ASSIGNED)
3616 raid->disks[disk].flags |= AR_DF_ASSIGNED;
3617 if (meta->raid.disk[disk].flags & PR_F_SPARE) {
3618 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED);
3619 raid->disks[disk].flags |= AR_DF_SPARE;
3620 }
3621 if (meta->raid.disk[disk].flags & (PR_F_REDIR | PR_F_DOWN))
3622 raid->disks[disk].flags &= ~AR_DF_ONLINE;
3623 }
3624 if (!disksum) {
3625 device_printf(parent, "%s subdisks has no flags\n",
3626 native ? "FreeBSD" : "Promise");
3627 free(raidp[array], M_AR);
3628 raidp[array] = NULL;
3629 goto promise_out;
3630 }
3631 }
3632 if (meta->raid.generation >= raid->generation) {
3633 int disk_number = meta->raid.disk_number;
3634
3635 if (raid->disks[disk_number].flags && (meta->magic_0 ==
3636 *((u_int64_t *)(raid->disks[disk_number].serial)))) {
3637 raid->disks[disk_number].dev = parent;
3638 raid->disks[disk_number].flags |= AR_DF_PRESENT;
3639 raid->disks[disk_number].sectors = meta->raid.disk_sectors;
3640 if ((raid->disks[disk_number].flags &
3641 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) ==
3642 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) {
3643 ars->raid[raid->volume] = raid;
3644 ars->disk_number[raid->volume] = disk_number;
3645 retval = 1;
3646 }
3647 }
3648 }
3649 break;
3650 }
3651
3652 promise_out:
3653 free(meta, M_AR);
3654 return retval;
3655 }
3656
3657 static int
3658 ata_raid_promise_write_meta(struct ar_softc *rdp)
3659 {
3660 struct promise_raid_conf *meta;
3661 struct timeval timestamp;
3662 u_int32_t *ckptr;
3663 int count, disk, drive, error = 0;
3664
3665 if (!(meta = (struct promise_raid_conf *)
3666 malloc(sizeof(struct promise_raid_conf), M_AR, M_NOWAIT))) {
3667 printf("ar%d: failed to allocate metadata storage\n", rdp->lun);
3668 return ENOMEM;
3669 }
3670
3671 rdp->generation++;
3672 microtime(×tamp);
3673
3674 for (disk = 0; disk < rdp->total_disks; disk++) {
3675 for (count = 0; count < sizeof(struct promise_raid_conf); count++)
3676 *(((u_int8_t *)meta) + count) = 255 - (count % 256);
3677 meta->dummy_0 = 0x00020000;
3678 meta->raid.disk_number = disk;
3679
3680 if (rdp->disks[disk].dev) {
3681 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev);
3682 struct ata_channel *ch =
3683 device_get_softc(device_get_parent(rdp->disks[disk].dev));
3684
3685 meta->raid.channel = ch->unit;
3686 meta->raid.device = atadev->unit;
3687 meta->raid.disk_sectors = rdp->disks[disk].sectors;
3688 meta->raid.disk_offset = rdp->offset_sectors;
3689 }
3690 else {
3691 meta->raid.channel = 0;
3692 meta->raid.device = 0;
3693 meta->raid.disk_sectors = 0;
3694 meta->raid.disk_offset = 0;
3695 }
3696 meta->magic_0 = PR_MAGIC0(meta->raid) | timestamp.tv_sec;
3697 meta->magic_1 = timestamp.tv_sec >> 16;
3698 meta->magic_2 = timestamp.tv_sec;
3699 meta->raid.integrity = PR_I_VALID;
3700 meta->raid.magic_0 = meta->magic_0;
3701 meta->raid.rebuild_lba = rdp->rebuild_lba;
3702 meta->raid.generation = rdp->generation;
3703
3704 if (rdp->status & AR_S_READY) {
3705 meta->raid.flags = (PR_F_VALID | PR_F_ASSIGNED | PR_F_ONLINE);
3706 meta->raid.status =
3707 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY);
3708 if (rdp->status & AR_S_DEGRADED)
3709 meta->raid.status |= PR_S_DEGRADED;
3710 else
3711 meta->raid.status |= PR_S_FUNCTIONAL;
3712 }
3713 else {
3714 meta->raid.flags = PR_F_DOWN;
3715 meta->raid.status = 0;
3716 }
3717
3718 switch (rdp->type) {
3719 case AR_T_RAID0:
3720 meta->raid.type = PR_T_RAID0;
3721 break;
3722 case AR_T_RAID1:
3723 meta->raid.type = PR_T_RAID1;
3724 break;
3725 case AR_T_RAID01:
3726 meta->raid.type = PR_T_RAID1;
3727 break;
3728 case AR_T_RAID5:
3729 meta->raid.type = PR_T_RAID5;
3730 break;
3731 case AR_T_SPAN:
3732 meta->raid.type = PR_T_SPAN;
3733 break;
3734 case AR_T_JBOD:
3735 meta->raid.type = PR_T_JBOD;
3736 break;
3737 default:
3738 free(meta, M_AR);
3739 return ENODEV;
3740 }
3741
3742 meta->raid.total_disks = rdp->total_disks;
3743 meta->raid.stripe_shift = ffs(rdp->interleave) - 1;
3744 meta->raid.array_width = rdp->width;
3745 meta->raid.array_number = rdp->lun;
3746 meta->raid.total_sectors = rdp->total_sectors;
3747 meta->raid.cylinders = rdp->cylinders - 1;
3748 meta->raid.heads = rdp->heads - 1;
3749 meta->raid.sectors = rdp->sectors;
3750 meta->raid.magic_1 = (u_int64_t)meta->magic_2<<16 | meta->magic_1;
3751
3752 bzero(&meta->raid.disk, 8 * 12);
3753 for (drive = 0; drive < rdp->total_disks; drive++) {
3754 meta->raid.disk[drive].flags = 0;
3755 if (rdp->disks[drive].flags & AR_DF_PRESENT)
3756 meta->raid.disk[drive].flags |= PR_F_VALID;
3757 if (rdp->disks[drive].flags & AR_DF_ASSIGNED)
3758 meta->raid.disk[drive].flags |= PR_F_ASSIGNED;
3759 if (rdp->disks[drive].flags & AR_DF_ONLINE)
3760 meta->raid.disk[drive].flags |= PR_F_ONLINE;
3761 else
3762 if (rdp->disks[drive].flags & AR_DF_PRESENT)
3763 meta->raid.disk[drive].flags = (PR_F_REDIR | PR_F_DOWN);
3764 if (rdp->disks[drive].flags & AR_DF_SPARE)
3765 meta->raid.disk[drive].flags |= PR_F_SPARE;
3766 meta->raid.disk[drive].dummy_0 = 0x0;
3767 if (rdp->disks[drive].dev) {
3768 struct ata_channel *ch =
3769 device_get_softc(device_get_parent(rdp->disks[drive].dev));
3770 struct ata_device *atadev =
3771 device_get_softc(rdp->disks[drive].dev);
3772
3773 meta->raid.disk[drive].channel = ch->unit;
3774 meta->raid.disk[drive].device = atadev->unit;
3775 }
3776 meta->raid.disk[drive].magic_0 =
3777 PR_MAGIC0(meta->raid.disk[drive]) | timestamp.tv_sec;
3778 }
3779
3780 if (rdp->disks[disk].dev) {
3781 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) ==
3782 (AR_DF_PRESENT | AR_DF_ONLINE)) {
3783 if (rdp->format == AR_F_FREEBSD_RAID)
3784 bcopy(ATA_MAGIC, meta->promise_id, sizeof(ATA_MAGIC));
3785 else
3786 bcopy(PR_MAGIC, meta->promise_id, sizeof(PR_MAGIC));
3787 }
3788 else
3789 bzero(meta->promise_id, sizeof(meta->promise_id));
3790 meta->checksum = 0;
3791 for (ckptr = (int32_t *)meta, count = 0; count < 511; count++)
3792 meta->checksum += *ckptr++;
3793 if (testing || bootverbose)
3794 ata_raid_promise_print_meta(meta);
3795 if (ata_raid_rw(rdp->disks[disk].dev,
3796 PROMISE_LBA(rdp->disks[disk].dev),
3797 meta, sizeof(struct promise_raid_conf),
3798 ATA_R_WRITE | ATA_R_DIRECT)) {
3799 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
3800 error = EIO;
3801 }
3802 }
3803 }
3804 free(meta, M_AR);
3805 return error;
3806 }
3807
3808 /* Silicon Image Medley Metadata */
3809 static int
3810 ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp)
3811 {
3812 struct ata_raid_subdisk *ars = device_get_softc(dev);
3813 device_t parent = device_get_parent(dev);
3814 struct sii_raid_conf *meta;
3815 struct ar_softc *raid = NULL;
3816 u_int16_t checksum, *ptr;
3817 int array, count, disk, retval = 0;
3818
3819 if (!(meta = (struct sii_raid_conf *)
3820 malloc(sizeof(struct sii_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
3821 return ENOMEM;
3822
3823 if (ata_raid_rw(parent, SII_LBA(parent),
3824 meta, sizeof(struct sii_raid_conf), ATA_R_READ)) {
3825 if (testing || bootverbose)
3826 device_printf(parent, "Silicon Image read metadata failed\n");
3827 goto sii_out;
3828 }
3829
3830 /* check if this is a Silicon Image (Medley) RAID struct */
3831 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 160; count++)
3832 checksum += *ptr++;
3833 if (checksum) {
3834 if (testing || bootverbose)
3835 device_printf(parent, "Silicon Image check1 failed\n");
3836 goto sii_out;
3837 }
3838
3839 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 256; count++)
3840 checksum += *ptr++;
3841 if (checksum != meta->checksum_1) {
3842 if (testing || bootverbose)
3843 device_printf(parent, "Silicon Image check2 failed\n");
3844 goto sii_out;
3845 }
3846
3847 /* check verison */
3848 if (meta->version_major != 0x0002 ||
3849 (meta->version_minor != 0x0000 && meta->version_minor != 0x0001)) {
3850 if (testing || bootverbose)
3851 device_printf(parent, "Silicon Image check3 failed\n");
3852 goto sii_out;
3853 }
3854
3855 if (testing || bootverbose)
3856 ata_raid_sii_print_meta(meta);
3857
3858 /* now convert Silicon Image meta into our generic form */
3859 for (array = 0; array < MAX_ARRAYS; array++) {
3860 if (!raidp[array]) {
3861 raidp[array] =
3862 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
3863 M_NOWAIT | M_ZERO);
3864 if (!raidp[array]) {
3865 device_printf(parent, "failed to allocate metadata storage\n");
3866 goto sii_out;
3867 }
3868 }
3869 raid = raidp[array];
3870 if (raid->format && (raid->format != AR_F_SII_RAID))
3871 continue;
3872
3873 if (raid->format == AR_F_SII_RAID &&
3874 (raid->magic_0 != *((u_int64_t *)meta->timestamp))) {
3875 continue;
3876 }
3877
3878 /* update our knowledge about the array config based on generation */
3879 if (!meta->generation || meta->generation > raid->generation) {
3880 switch (meta->type) {
3881 case SII_T_RAID0:
3882 raid->type = AR_T_RAID0;
3883 break;
3884
3885 case SII_T_RAID1:
3886 raid->type = AR_T_RAID1;
3887 break;
3888
3889 case SII_T_RAID01:
3890 raid->type = AR_T_RAID01;
3891 break;
3892
3893 case SII_T_SPARE:
3894 device_printf(parent, "Silicon Image SPARE disk\n");
3895 free(raidp[array], M_AR);
3896 raidp[array] = NULL;
3897 goto sii_out;
3898
3899 default:
3900 device_printf(parent,"Silicon Image unknown RAID type 0x%02x\n",
3901 meta->type);
3902 free(raidp[array], M_AR);
3903 raidp[array] = NULL;
3904 goto sii_out;
3905 }
3906 raid->magic_0 = *((u_int64_t *)meta->timestamp);
3907 raid->format = AR_F_SII_RAID;
3908 raid->generation = meta->generation;
3909 raid->interleave = meta->stripe_sectors;
3910 raid->width = (meta->raid0_disks != 0xff) ? meta->raid0_disks : 1;
3911 raid->total_disks =
3912 ((meta->raid0_disks != 0xff) ? meta->raid0_disks : 0) +
3913 ((meta->raid1_disks != 0xff) ? meta->raid1_disks : 0);
3914 raid->total_sectors = meta->total_sectors;
3915 raid->heads = 255;
3916 raid->sectors = 63;
3917 raid->cylinders = raid->total_sectors / (63 * 255);
3918 raid->offset_sectors = 0;
3919 raid->rebuild_lba = meta->rebuild_lba;
3920 raid->lun = array;
3921 strncpy(raid->name, meta->name,
3922 min(sizeof(raid->name), sizeof(meta->name)));
3923
3924 /* clear out any old info */
3925 if (raid->generation) {
3926 for (disk = 0; disk < raid->total_disks; disk++) {
3927 raid->disks[disk].dev = NULL;
3928 raid->disks[disk].flags = 0;
3929 }
3930 }
3931 }
3932 if (meta->generation >= raid->generation) {
3933 /* XXX SOS add check for the right physical disk by serial# */
3934 if (meta->status & SII_S_READY) {
3935 int disk_number = (raid->type == AR_T_RAID01) ?
3936 meta->raid1_ident + (meta->raid0_ident << 1) :
3937 meta->disk_number;
3938
3939 raid->disks[disk_number].dev = parent;
3940 raid->disks[disk_number].sectors =
3941 raid->total_sectors / raid->width;
3942 raid->disks[disk_number].flags =
3943 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
3944 ars->raid[raid->volume] = raid;
3945 ars->disk_number[raid->volume] = disk_number;
3946 retval = 1;
3947 }
3948 }
3949 break;
3950 }
3951
3952 sii_out:
3953 free(meta, M_AR);
3954 return retval;
3955 }
3956
3957 /* Silicon Integrated Systems Metadata */
3958 static int
3959 ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp)
3960 {
3961 struct ata_raid_subdisk *ars = device_get_softc(dev);
3962 device_t parent = device_get_parent(dev);
3963 struct sis_raid_conf *meta;
3964 struct ar_softc *raid = NULL;
3965 int array, disk_number, drive, retval = 0;
3966
3967 if (!(meta = (struct sis_raid_conf *)
3968 malloc(sizeof(struct sis_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
3969 return ENOMEM;
3970
3971 if (ata_raid_rw(parent, SIS_LBA(parent),
3972 meta, sizeof(struct sis_raid_conf), ATA_R_READ)) {
3973 if (testing || bootverbose)
3974 device_printf(parent,
3975 "Silicon Integrated Systems read metadata failed\n");
3976 }
3977
3978 /* check for SiS magic */
3979 if (meta->magic != SIS_MAGIC) {
3980 if (testing || bootverbose)
3981 device_printf(parent,
3982 "Silicon Integrated Systems check1 failed\n");
3983 goto sis_out;
3984 }
3985
3986 if (testing || bootverbose)
3987 ata_raid_sis_print_meta(meta);
3988
3989 /* now convert SiS meta into our generic form */
3990 for (array = 0; array < MAX_ARRAYS; array++) {
3991 if (!raidp[array]) {
3992 raidp[array] =
3993 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
3994 M_NOWAIT | M_ZERO);
3995 if (!raidp[array]) {
3996 device_printf(parent, "failed to allocate metadata storage\n");
3997 goto sis_out;
3998 }
3999 }
4000
4001 raid = raidp[array];
4002 if (raid->format && (raid->format != AR_F_SIS_RAID))
4003 continue;
4004
4005 if ((raid->format == AR_F_SIS_RAID) &&
4006 ((raid->magic_0 != meta->controller_pci_id) ||
4007 (raid->magic_1 != meta->timestamp))) {
4008 continue;
4009 }
4010
4011 switch (meta->type_total_disks & SIS_T_MASK) {
4012 case SIS_T_JBOD:
4013 raid->type = AR_T_JBOD;
4014 raid->width = (meta->type_total_disks & SIS_D_MASK);
4015 raid->total_sectors += SIS_LBA(parent);
4016 break;
4017
4018 case SIS_T_RAID0:
4019 raid->type = AR_T_RAID0;
4020 raid->width = (meta->type_total_disks & SIS_D_MASK);
4021 if (!raid->total_sectors ||
4022 (raid->total_sectors > (raid->width * SIS_LBA(parent))))
4023 raid->total_sectors = raid->width * SIS_LBA(parent);
4024 break;
4025
4026 case SIS_T_RAID1:
4027 raid->type = AR_T_RAID1;
4028 raid->width = 1;
4029 if (!raid->total_sectors || (raid->total_sectors > SIS_LBA(parent)))
4030 raid->total_sectors = SIS_LBA(parent);
4031 break;
4032
4033 default:
4034 device_printf(parent, "Silicon Integrated Systems "
4035 "unknown RAID type 0x%08x\n", meta->magic);
4036 free(raidp[array], M_AR);
4037 raidp[array] = NULL;
4038 goto sis_out;
4039 }
4040 raid->magic_0 = meta->controller_pci_id;
4041 raid->magic_1 = meta->timestamp;
4042 raid->format = AR_F_SIS_RAID;
4043 raid->generation = 0;
4044 raid->interleave = meta->stripe_sectors;
4045 raid->total_disks = (meta->type_total_disks & SIS_D_MASK);
4046 raid->heads = 255;
4047 raid->sectors = 63;
4048 raid->cylinders = raid->total_sectors / (63 * 255);
4049 raid->offset_sectors = 0;
4050 raid->rebuild_lba = 0;
4051 raid->lun = array;
4052 /* XXX SOS if total_disks > 2 this doesn't float */
4053 if (((meta->disks & SIS_D_MASTER) >> 4) == meta->disk_number)
4054 disk_number = 0;
4055 else
4056 disk_number = 1;
4057
4058 for (drive = 0; drive < raid->total_disks; drive++) {
4059 raid->disks[drive].sectors = raid->total_sectors/raid->width;
4060 if (drive == disk_number) {
4061 raid->disks[disk_number].dev = parent;
4062 raid->disks[disk_number].flags =
4063 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
4064 ars->raid[raid->volume] = raid;
4065 ars->disk_number[raid->volume] = disk_number;
4066 }
4067 }
4068 retval = 1;
4069 break;
4070 }
4071
4072 sis_out:
4073 free(meta, M_AR);
4074 return retval;
4075 }
4076
4077 static int
4078 ata_raid_sis_write_meta(struct ar_softc *rdp)
4079 {
4080 struct sis_raid_conf *meta;
4081 struct timeval timestamp;
4082 int disk, error = 0;
4083
4084 if (!(meta = (struct sis_raid_conf *)
4085 malloc(sizeof(struct sis_raid_conf), M_AR, M_NOWAIT | M_ZERO))) {
4086 printf("ar%d: failed to allocate metadata storage\n", rdp->lun);
4087 return ENOMEM;
4088 }
4089
4090 rdp->generation++;
4091 microtime(×tamp);
4092
4093 meta->magic = SIS_MAGIC;
4094 /* XXX SOS if total_disks > 2 this doesn't float */
4095 for (disk = 0; disk < rdp->total_disks; disk++) {
4096 if (rdp->disks[disk].dev) {
4097 struct ata_channel *ch =
4098 device_get_softc(device_get_parent(rdp->disks[disk].dev));
4099 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev);
4100 int disk_number = 1 + atadev->unit + (ch->unit << 1);
4101
4102 meta->disks |= disk_number << ((1 - disk) << 2);
4103 }
4104 }
4105 switch (rdp->type) {
4106 case AR_T_JBOD:
4107 meta->type_total_disks = SIS_T_JBOD;
4108 break;
4109
4110 case AR_T_RAID0:
4111 meta->type_total_disks = SIS_T_RAID0;
4112 break;
4113
4114 case AR_T_RAID1:
4115 meta->type_total_disks = SIS_T_RAID1;
4116 break;
4117
4118 default:
4119 free(meta, M_AR);
4120 return ENODEV;
4121 }
4122 meta->type_total_disks |= (rdp->total_disks & SIS_D_MASK);
4123 meta->stripe_sectors = rdp->interleave;
4124 meta->timestamp = timestamp.tv_sec;
4125
4126 for (disk = 0; disk < rdp->total_disks; disk++) {
4127 if (rdp->disks[disk].dev) {
4128 struct ata_channel *ch =
4129 device_get_softc(device_get_parent(rdp->disks[disk].dev));
4130 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev);
4131
4132 meta->controller_pci_id =
4133 (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev)) << 16) |
4134 pci_get_device(GRANDPARENT(rdp->disks[disk].dev));
4135 bcopy(atadev->param.model, meta->model, sizeof(meta->model));
4136
4137 /* XXX SOS if total_disks > 2 this may not float */
4138 meta->disk_number = 1 + atadev->unit + (ch->unit << 1);
4139
4140 if (testing || bootverbose)
4141 ata_raid_sis_print_meta(meta);
4142
4143 if (ata_raid_rw(rdp->disks[disk].dev,
4144 SIS_LBA(rdp->disks[disk].dev),
4145 meta, sizeof(struct sis_raid_conf),
4146 ATA_R_WRITE | ATA_R_DIRECT)) {
4147 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
4148 error = EIO;
4149 }
4150 }
4151 }
4152 free(meta, M_AR);
4153 return error;
4154 }
4155
4156 /* VIA Tech V-RAID Metadata */
4157 static int
4158 ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp)
4159 {
4160 struct ata_raid_subdisk *ars = device_get_softc(dev);
4161 device_t parent = device_get_parent(dev);
4162 struct via_raid_conf *meta;
4163 struct ar_softc *raid = NULL;
4164 u_int8_t checksum, *ptr;
4165 int array, count, disk, retval = 0;
4166
4167 if (!(meta = (struct via_raid_conf *)
4168 malloc(sizeof(struct via_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
4169 return ENOMEM;
4170
4171 if (ata_raid_rw(parent, VIA_LBA(parent),
4172 meta, sizeof(struct via_raid_conf), ATA_R_READ)) {
4173 if (testing || bootverbose)
4174 device_printf(parent, "VIA read metadata failed\n");
4175 goto via_out;
4176 }
4177
4178 /* check if this is a VIA RAID struct */
4179 if (meta->magic != VIA_MAGIC) {
4180 if (testing || bootverbose)
4181 device_printf(parent, "VIA check1 failed\n");
4182 goto via_out;
4183 }
4184
4185 /* calculate checksum and compare for valid */
4186 for (checksum = 0, ptr = (u_int8_t *)meta, count = 0; count < 50; count++)
4187 checksum += *ptr++;
4188 if (checksum != meta->checksum) {
4189 if (testing || bootverbose)
4190 device_printf(parent, "VIA check2 failed\n");
4191 goto via_out;
4192 }
4193
4194 if (testing || bootverbose)
4195 ata_raid_via_print_meta(meta);
4196
4197 /* now convert VIA meta into our generic form */
4198 for (array = 0; array < MAX_ARRAYS; array++) {
4199 if (!raidp[array]) {
4200 raidp[array] =
4201 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
4202 M_NOWAIT | M_ZERO);
4203 if (!raidp[array]) {
4204 device_printf(parent, "failed to allocate metadata storage\n");
4205 goto via_out;
4206 }
4207 }
4208 raid = raidp[array];
4209 if (raid->format && (raid->format != AR_F_VIA_RAID))
4210 continue;
4211
4212 if (raid->format == AR_F_VIA_RAID && (raid->magic_0 != meta->disks[0]))
4213 continue;
4214
4215 switch (meta->type & VIA_T_MASK) {
4216 case VIA_T_RAID0:
4217 raid->type = AR_T_RAID0;
4218 raid->width = meta->stripe_layout & VIA_L_DISKS;
4219 if (!raid->total_sectors ||
4220 (raid->total_sectors > (raid->width * meta->disk_sectors)))
4221 raid->total_sectors = raid->width * meta->disk_sectors;
4222 break;
4223
4224 case VIA_T_RAID1:
4225 raid->type = AR_T_RAID1;
4226 raid->width = 1;
4227 raid->total_sectors = meta->disk_sectors;
4228 break;
4229
4230 case VIA_T_RAID01:
4231 raid->type = AR_T_RAID01;
4232 raid->width = meta->stripe_layout & VIA_L_DISKS;
4233 if (!raid->total_sectors ||
4234 (raid->total_sectors > (raid->width * meta->disk_sectors)))
4235 raid->total_sectors = raid->width * meta->disk_sectors;
4236 break;
4237
4238 case VIA_T_RAID5:
4239 raid->type = AR_T_RAID5;
4240 raid->width = meta->stripe_layout & VIA_L_DISKS;
4241 if (!raid->total_sectors ||
4242 (raid->total_sectors > ((raid->width - 1)*meta->disk_sectors)))
4243 raid->total_sectors = (raid->width - 1) * meta->disk_sectors;
4244 break;
4245
4246 case VIA_T_SPAN:
4247 raid->type = AR_T_SPAN;
4248 raid->width = 1;
4249 raid->total_sectors += meta->disk_sectors;
4250 break;
4251
4252 default:
4253 device_printf(parent,"VIA unknown RAID type 0x%02x\n", meta->type);
4254 free(raidp[array], M_AR);
4255 raidp[array] = NULL;
4256 goto via_out;
4257 }
4258 raid->magic_0 = meta->disks[0];
4259 raid->format = AR_F_VIA_RAID;
4260 raid->generation = 0;
4261 raid->interleave =
4262 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT);
4263 for (count = 0, disk = 0; disk < 8; disk++)
4264 if (meta->disks[disk])
4265 count++;
4266 raid->total_disks = count;
4267 raid->heads = 255;
4268 raid->sectors = 63;
4269 raid->cylinders = raid->total_sectors / (63 * 255);
4270 raid->offset_sectors = 0;
4271 raid->rebuild_lba = 0;
4272 raid->lun = array;
4273
4274 for (disk = 0; disk < raid->total_disks; disk++) {
4275 if (meta->disks[disk] == meta->disk_id) {
4276 raid->disks[disk].dev = parent;
4277 bcopy(&meta->disk_id, raid->disks[disk].serial,
4278 sizeof(u_int32_t));
4279 raid->disks[disk].sectors = meta->disk_sectors;
4280 raid->disks[disk].flags =
4281 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
4282 ars->raid[raid->volume] = raid;
4283 ars->disk_number[raid->volume] = disk;
4284 retval = 1;
4285 break;
4286 }
4287 }
4288 break;
4289 }
4290
4291 via_out:
4292 free(meta, M_AR);
4293 return retval;
4294 }
4295
4296 static int
4297 ata_raid_via_write_meta(struct ar_softc *rdp)
4298 {
4299 struct via_raid_conf *meta;
4300 int disk, error = 0;
4301
4302 if (!(meta = (struct via_raid_conf *)
4303 malloc(sizeof(struct via_raid_conf), M_AR, M_NOWAIT | M_ZERO))) {
4304 printf("ar%d: failed to allocate metadata storage\n", rdp->lun);
4305 return ENOMEM;
4306 }
4307
4308 rdp->generation++;
4309
4310 meta->magic = VIA_MAGIC;
4311 meta->dummy_0 = 0x02;
4312 switch (rdp->type) {
4313 case AR_T_SPAN:
4314 meta->type = VIA_T_SPAN;
4315 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS);
4316 break;
4317
4318 case AR_T_RAID0:
4319 meta->type = VIA_T_RAID0;
4320 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK);
4321 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS);
4322 break;
4323
4324 case AR_T_RAID1:
4325 meta->type = VIA_T_RAID1;
4326 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS);
4327 break;
4328
4329 case AR_T_RAID5:
4330 meta->type = VIA_T_RAID5;
4331 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK);
4332 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS);
4333 break;
4334
4335 case AR_T_RAID01:
4336 meta->type = VIA_T_RAID01;
4337 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK);
4338 meta->stripe_layout |= (rdp->width & VIA_L_DISKS);
4339 break;
4340
4341 default:
4342 free(meta, M_AR);
4343 return ENODEV;
4344 }
4345 meta->type |= VIA_T_BOOTABLE; /* XXX SOS */
4346 meta->disk_sectors =
4347 rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5));
4348 for (disk = 0; disk < rdp->total_disks; disk++)
4349 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev;
4350
4351 for (disk = 0; disk < rdp->total_disks; disk++) {
4352 if (rdp->disks[disk].dev) {
4353 u_int8_t *ptr;
4354 int count;
4355
4356 meta->disk_index = disk * sizeof(u_int32_t);
4357 if (rdp->type == AR_T_RAID01)
4358 meta->disk_index = ((meta->disk_index & 0x08) << 2) |
4359 (meta->disk_index & ~0x08);
4360 meta->disk_id = meta->disks[disk];
4361 meta->checksum = 0;
4362 for (ptr = (u_int8_t *)meta, count = 0; count < 50; count++)
4363 meta->checksum += *ptr++;
4364
4365 if (testing || bootverbose)
4366 ata_raid_via_print_meta(meta);
4367
4368 if (ata_raid_rw(rdp->disks[disk].dev,
4369 VIA_LBA(rdp->disks[disk].dev),
4370 meta, sizeof(struct via_raid_conf),
4371 ATA_R_WRITE | ATA_R_DIRECT)) {
4372 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
4373 error = EIO;
4374 }
4375 }
4376 }
4377 free(meta, M_AR);
4378 return error;
4379 }
4380
4381 static struct ata_request *
4382 ata_raid_init_request(device_t dev, struct ar_softc *rdp, struct bio *bio)
4383 {
4384 struct ata_request *request;
4385
4386 if (!(request = ata_alloc_request())) {
4387 printf("FAILURE - out of memory in ata_raid_init_request\n");
4388 return NULL;
4389 }
4390 request->dev = dev;
4391 request->timeout = ATA_REQUEST_TIMEOUT;
4392 request->retries = 2;
4393 request->callback = ata_raid_done;
4394 request->driver = rdp;
4395 request->bio = bio;
4396 switch (request->bio->bio_cmd) {
4397 case BIO_READ:
4398 request->flags = ATA_R_READ;
4399 break;
4400 case BIO_WRITE:
4401 request->flags = ATA_R_WRITE;
4402 break;
4403 case BIO_FLUSH:
4404 request->flags = ATA_R_CONTROL;
4405 break;
4406 }
4407 return request;
4408 }
4409
4410 static int
4411 ata_raid_send_request(struct ata_request *request)
4412 {
4413 struct ata_device *atadev = device_get_softc(request->dev);
4414
4415 request->transfersize = min(request->bytecount, atadev->max_iosize);
4416 if (request->flags & ATA_R_READ) {
4417 if (atadev->mode >= ATA_DMA) {
4418 request->flags |= ATA_R_DMA;
4419 request->u.ata.command = ATA_READ_DMA;
4420 }
4421 else if (atadev->max_iosize > DEV_BSIZE)
4422 request->u.ata.command = ATA_READ_MUL;
4423 else
4424 request->u.ata.command = ATA_READ;
4425 }
4426 else if (request->flags & ATA_R_WRITE) {
4427 if (atadev->mode >= ATA_DMA) {
4428 request->flags |= ATA_R_DMA;
4429 request->u.ata.command = ATA_WRITE_DMA;
4430 }
4431 else if (atadev->max_iosize > DEV_BSIZE)
4432 request->u.ata.command = ATA_WRITE_MUL;
4433 else
4434 request->u.ata.command = ATA_WRITE;
4435 }
4436 else {
4437 device_printf(request->dev, "FAILURE - unknown IO operation\n");
4438 ata_free_request(request);
4439 return EIO;
4440 }
4441 request->flags |= (ATA_R_ORDERED | ATA_R_THREAD);
4442 ata_queue_request(request);
4443 return 0;
4444 }
4445
4446 static int
4447 ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags)
4448 {
4449 struct ata_device *atadev = device_get_softc(dev);
4450 struct ata_request *request;
4451 int error;
4452
4453 if (bcount % DEV_BSIZE) {
4454 device_printf(dev, "FAILURE - transfers must be modulo sectorsize\n");
4455 return ENOMEM;
4456 }
4457
4458 if (!(request = ata_alloc_request())) {
4459 device_printf(dev, "FAILURE - out of memory in ata_raid_rw\n");
4460 return ENOMEM;
4461 }
4462
4463 /* setup request */
4464 request->dev = dev;
4465 request->timeout = ATA_REQUEST_TIMEOUT;
4466 request->retries = 0;
4467 request->data = data;
4468 request->bytecount = bcount;
4469 request->transfersize = DEV_BSIZE;
4470 request->u.ata.lba = lba;
4471 request->u.ata.count = request->bytecount / DEV_BSIZE;
4472 request->flags = flags;
4473
4474 if (flags & ATA_R_READ) {
4475 if (atadev->mode >= ATA_DMA) {
4476 request->u.ata.command = ATA_READ_DMA;
4477 request->flags |= ATA_R_DMA;
4478 }
4479 else
4480 request->u.ata.command = ATA_READ;
4481 ata_queue_request(request);
4482 }
4483 else if (flags & ATA_R_WRITE) {
4484 if (atadev->mode >= ATA_DMA) {
4485 request->u.ata.command = ATA_WRITE_DMA;
4486 request->flags |= ATA_R_DMA;
4487 }
4488 else
4489 request->u.ata.command = ATA_WRITE;
4490 ata_queue_request(request);
4491 }
4492 else {
4493 device_printf(dev, "FAILURE - unknown IO operation\n");
4494 request->result = EIO;
4495 }
4496 error = request->result;
4497 ata_free_request(request);
4498 return error;
4499 }
4500
4501 /*
4502 * module handeling
4503 */
4504 static int
4505 ata_raid_subdisk_probe(device_t dev)
4506 {
4507 device_quiet(dev);
4508 return 0;
4509 }
4510
4511 static int
4512 ata_raid_subdisk_attach(device_t dev)
4513 {
4514 struct ata_raid_subdisk *ars = device_get_softc(dev);
4515 int volume;
4516
4517 for (volume = 0; volume < MAX_VOLUMES; volume++) {
4518 ars->raid[volume] = NULL;
4519 ars->disk_number[volume] = -1;
4520 }
4521 ata_raid_read_metadata(dev);
4522 return 0;
4523 }
4524
4525 static int
4526 ata_raid_subdisk_detach(device_t dev)
4527 {
4528 struct ata_raid_subdisk *ars = device_get_softc(dev);
4529 int volume;
4530
4531 for (volume = 0; volume < MAX_VOLUMES; volume++) {
4532 if (ars->raid[volume]) {
4533 ars->raid[volume]->disks[ars->disk_number[volume]].flags &=
4534 ~(AR_DF_PRESENT | AR_DF_ONLINE);
4535 ars->raid[volume]->disks[ars->disk_number[volume]].dev = NULL;
4536 if (mtx_initialized(&ars->raid[volume]->lock))
4537 ata_raid_config_changed(ars->raid[volume], 1);
4538 ars->raid[volume] = NULL;
4539 ars->disk_number[volume] = -1;
4540 }
4541 }
4542 return 0;
4543 }
4544
4545 static device_method_t ata_raid_sub_methods[] = {
4546 /* device interface */
4547 DEVMETHOD(device_probe, ata_raid_subdisk_probe),
4548 DEVMETHOD(device_attach, ata_raid_subdisk_attach),
4549 DEVMETHOD(device_detach, ata_raid_subdisk_detach),
4550 DEVMETHOD_END
4551 };
4552
4553 static driver_t ata_raid_sub_driver = {
4554 "subdisk",
4555 ata_raid_sub_methods,
4556 sizeof(struct ata_raid_subdisk)
4557 };
4558
4559 DRIVER_MODULE(subdisk, ad, ata_raid_sub_driver, ata_raid_sub_devclass, NULL, NULL);
4560
4561 static int
4562 ata_raid_module_event_handler(module_t mod, int what, void *arg)
4563 {
4564 int i;
4565
4566 switch (what) {
4567 case MOD_LOAD:
4568 if (testing || bootverbose)
4569 printf("ATA PseudoRAID loaded\n");
4570 #if 0
4571 /* setup table to hold metadata for all ATA PseudoRAID arrays */
4572 ata_raid_arrays = malloc(sizeof(struct ar_soft *) * MAX_ARRAYS,
4573 M_AR, M_NOWAIT | M_ZERO);
4574 if (!ata_raid_arrays) {
4575 printf("ataraid: no memory for metadata storage\n");
4576 return ENOMEM;
4577 }
4578 #endif
4579 /* attach found PseudoRAID arrays */
4580 for (i = 0; i < MAX_ARRAYS; i++) {
4581 struct ar_softc *rdp = ata_raid_arrays[i];
4582
4583 if (!rdp || !rdp->format)
4584 continue;
4585 if (testing || bootverbose)
4586 ata_raid_print_meta(rdp);
4587 ata_raid_attach(rdp, 0);
4588 }
4589 ata_raid_ioctl_func = ata_raid_ioctl;
4590 return 0;
4591
4592 case MOD_UNLOAD:
4593 /* detach found PseudoRAID arrays */
4594 for (i = 0; i < MAX_ARRAYS; i++) {
4595 struct ar_softc *rdp = ata_raid_arrays[i];
4596
4597 if (!rdp || !rdp->status)
4598 continue;
4599 if (mtx_initialized(&rdp->lock))
4600 mtx_destroy(&rdp->lock);
4601 if (rdp->disk)
4602 disk_destroy(rdp->disk);
4603 }
4604 if (testing || bootverbose)
4605 printf("ATA PseudoRAID unloaded\n");
4606 #if 0
4607 free(ata_raid_arrays, M_AR);
4608 #endif
4609 ata_raid_ioctl_func = NULL;
4610 return 0;
4611
4612 default:
4613 return EOPNOTSUPP;
4614 }
4615 }
4616
4617 static moduledata_t ata_raid_moduledata =
4618 { "ataraid", ata_raid_module_event_handler, NULL };
4619 DECLARE_MODULE(ata, ata_raid_moduledata, SI_SUB_RAID, SI_ORDER_FIRST);
4620 MODULE_VERSION(ataraid, 1);
4621 MODULE_DEPEND(ataraid, ata, 1, 1, 1);
4622 MODULE_DEPEND(ataraid, ad, 1, 1, 1);
4623
4624 static char *
4625 ata_raid_format(struct ar_softc *rdp)
4626 {
4627 switch (rdp->format) {
4628 case AR_F_FREEBSD_RAID: return "FreeBSD PseudoRAID";
4629 case AR_F_ADAPTEC_RAID: return "Adaptec HostRAID";
4630 case AR_F_DDF_RAID: return "DDF";
4631 case AR_F_HPTV2_RAID: return "HighPoint v2 RocketRAID";
4632 case AR_F_HPTV3_RAID: return "HighPoint v3 RocketRAID";
4633 case AR_F_INTEL_RAID: return "Intel MatrixRAID";
4634 case AR_F_ITE_RAID: return "Integrated Technology Express";
4635 case AR_F_JMICRON_RAID: return "JMicron Technology Corp";
4636 case AR_F_LSIV2_RAID: return "LSILogic v2 MegaRAID";
4637 case AR_F_LSIV3_RAID: return "LSILogic v3 MegaRAID";
4638 case AR_F_NVIDIA_RAID: return "nVidia MediaShield";
4639 case AR_F_PROMISE_RAID: return "Promise Fasttrak";
4640 case AR_F_SII_RAID: return "Silicon Image Medley";
4641 case AR_F_SIS_RAID: return "Silicon Integrated Systems";
4642 case AR_F_VIA_RAID: return "VIA Tech V-RAID";
4643 default: return "UNKNOWN";
4644 }
4645 }
4646
4647 static char *
4648 ata_raid_type(struct ar_softc *rdp)
4649 {
4650 switch (rdp->type) {
4651 case AR_T_JBOD: return "JBOD";
4652 case AR_T_SPAN: return "SPAN";
4653 case AR_T_RAID0: return "RAID0";
4654 case AR_T_RAID1: return "RAID1";
4655 case AR_T_RAID3: return "RAID3";
4656 case AR_T_RAID4: return "RAID4";
4657 case AR_T_RAID5: return "RAID5";
4658 case AR_T_RAID01: return "RAID0+1";
4659 default: return "UNKNOWN";
4660 }
4661 }
4662
4663 static char *
4664 ata_raid_flags(struct ar_softc *rdp)
4665 {
4666 switch (rdp->status & (AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING)) {
4667 case AR_S_READY: return "READY";
4668 case AR_S_READY | AR_S_DEGRADED: return "DEGRADED";
4669 case AR_S_READY | AR_S_REBUILDING:
4670 case AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING: return "REBUILDING";
4671 default: return "BROKEN";
4672 }
4673 }
4674
4675 /* debugging gunk */
4676 static void
4677 ata_raid_print_meta(struct ar_softc *raid)
4678 {
4679 int i;
4680
4681 printf("********** ATA PseudoRAID ar%d Metadata **********\n", raid->lun);
4682 printf("=================================================\n");
4683 printf("format %s\n", ata_raid_format(raid));
4684 printf("type %s\n", ata_raid_type(raid));
4685 printf("flags 0x%02x %b\n", raid->status, raid->status,
4686 "\2\3REBUILDING\2DEGRADED\1READY\n");
4687 printf("magic_0 0x%016jx\n", raid->magic_0);
4688 printf("magic_1 0x%016jx\n",raid->magic_1);
4689 printf("generation %u\n", raid->generation);
4690 printf("total_sectors %ju\n", raid->total_sectors);
4691 printf("offset_sectors %ju\n", raid->offset_sectors);
4692 printf("heads %u\n", raid->heads);
4693 printf("sectors %u\n", raid->sectors);
4694 printf("cylinders %u\n", raid->cylinders);
4695 printf("width %u\n", raid->width);
4696 printf("interleave %u\n", raid->interleave);
4697 printf("total_disks %u\n", raid->total_disks);
4698 for (i = 0; i < raid->total_disks; i++) {
4699 printf(" disk %d: flags = 0x%02x %b\n", i, raid->disks[i].flags,
4700 raid->disks[i].flags, "\2\4ONLINE\3SPARE\2ASSIGNED\1PRESENT\n");
4701 if (raid->disks[i].dev) {
4702 printf(" ");
4703 device_printf(raid->disks[i].dev, " sectors %jd\n",
4704 raid->disks[i].sectors);
4705 }
4706 }
4707 printf("=================================================\n");
4708 }
4709
4710 static char *
4711 ata_raid_adaptec_type(int type)
4712 {
4713 static char buffer[16];
4714
4715 switch (type) {
4716 case ADP_T_RAID0: return "RAID0";
4717 case ADP_T_RAID1: return "RAID1";
4718 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
4719 return buffer;
4720 }
4721 }
4722
4723 static void
4724 ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta)
4725 {
4726 int i;
4727
4728 printf("********* ATA Adaptec HostRAID Metadata *********\n");
4729 printf("magic_0 <0x%08x>\n", be32toh(meta->magic_0));
4730 printf("generation 0x%08x\n", be32toh(meta->generation));
4731 printf("dummy_0 0x%04x\n", be16toh(meta->dummy_0));
4732 printf("total_configs %u\n", be16toh(meta->total_configs));
4733 printf("dummy_1 0x%04x\n", be16toh(meta->dummy_1));
4734 printf("checksum 0x%04x\n", be16toh(meta->checksum));
4735 printf("dummy_2 0x%08x\n", be32toh(meta->dummy_2));
4736 printf("dummy_3 0x%08x\n", be32toh(meta->dummy_3));
4737 printf("flags 0x%08x\n", be32toh(meta->flags));
4738 printf("timestamp 0x%08x\n", be32toh(meta->timestamp));
4739 printf("dummy_4 0x%08x 0x%08x 0x%08x 0x%08x\n",
4740 be32toh(meta->dummy_4[0]), be32toh(meta->dummy_4[1]),
4741 be32toh(meta->dummy_4[2]), be32toh(meta->dummy_4[3]));
4742 printf("dummy_5 0x%08x 0x%08x 0x%08x 0x%08x\n",
4743 be32toh(meta->dummy_5[0]), be32toh(meta->dummy_5[1]),
4744 be32toh(meta->dummy_5[2]), be32toh(meta->dummy_5[3]));
4745
4746 for (i = 0; i < be16toh(meta->total_configs); i++) {
4747 printf(" %d total_disks %u\n", i,
4748 be16toh(meta->configs[i].disk_number));
4749 printf(" %d generation %u\n", i,
4750 be16toh(meta->configs[i].generation));
4751 printf(" %d magic_0 0x%08x\n", i,
4752 be32toh(meta->configs[i].magic_0));
4753 printf(" %d dummy_0 0x%02x\n", i, meta->configs[i].dummy_0);
4754 printf(" %d type %s\n", i,
4755 ata_raid_adaptec_type(meta->configs[i].type));
4756 printf(" %d dummy_1 0x%02x\n", i, meta->configs[i].dummy_1);
4757 printf(" %d flags %d\n", i,
4758 be32toh(meta->configs[i].flags));
4759 printf(" %d dummy_2 0x%02x\n", i, meta->configs[i].dummy_2);
4760 printf(" %d dummy_3 0x%02x\n", i, meta->configs[i].dummy_3);
4761 printf(" %d dummy_4 0x%02x\n", i, meta->configs[i].dummy_4);
4762 printf(" %d dummy_5 0x%02x\n", i, meta->configs[i].dummy_5);
4763 printf(" %d disk_number %u\n", i,
4764 be32toh(meta->configs[i].disk_number));
4765 printf(" %d dummy_6 0x%08x\n", i,
4766 be32toh(meta->configs[i].dummy_6));
4767 printf(" %d sectors %u\n", i,
4768 be32toh(meta->configs[i].sectors));
4769 printf(" %d stripe_shift %u\n", i,
4770 be16toh(meta->configs[i].stripe_shift));
4771 printf(" %d dummy_7 0x%08x\n", i,
4772 be32toh(meta->configs[i].dummy_7));
4773 printf(" %d dummy_8 0x%08x 0x%08x 0x%08x 0x%08x\n", i,
4774 be32toh(meta->configs[i].dummy_8[0]),
4775 be32toh(meta->configs[i].dummy_8[1]),
4776 be32toh(meta->configs[i].dummy_8[2]),
4777 be32toh(meta->configs[i].dummy_8[3]));
4778 printf(" %d name <%s>\n", i, meta->configs[i].name);
4779 }
4780 printf("magic_1 <0x%08x>\n", be32toh(meta->magic_1));
4781 printf("magic_2 <0x%08x>\n", be32toh(meta->magic_2));
4782 printf("magic_3 <0x%08x>\n", be32toh(meta->magic_3));
4783 printf("magic_4 <0x%08x>\n", be32toh(meta->magic_4));
4784 printf("=================================================\n");
4785 }
4786
4787 static void
4788 ata_raid_ddf_print_meta(uint8_t *meta)
4789 {
4790 struct ddf_header *hdr;
4791 struct ddf_cd_record *cd;
4792 struct ddf_pd_record *pdr;
4793 struct ddf_pd_entry *pde;
4794 struct ddf_vd_record *vdr;
4795 struct ddf_vd_entry *vde;
4796 struct ddf_pdd_record *pdd;
4797 uint64_t (*ddf64toh)(uint64_t) = NULL;
4798 uint32_t (*ddf32toh)(uint32_t) = NULL;
4799 uint16_t (*ddf16toh)(uint16_t) = NULL;
4800 uint8_t *cr;
4801 char *r;
4802
4803 /* Check if this is a DDF RAID struct */
4804 hdr = (struct ddf_header *)meta;
4805 if (be32toh(hdr->Signature) == DDF_HEADER_SIGNATURE) {
4806 ddf64toh = ddfbe64toh;
4807 ddf32toh = ddfbe32toh;
4808 ddf16toh = ddfbe16toh;
4809 } else {
4810 ddf64toh = ddfle64toh;
4811 ddf32toh = ddfle32toh;
4812 ddf16toh = ddfle16toh;
4813 }
4814
4815 hdr = (struct ddf_header*)meta;
4816 cd = (struct ddf_cd_record*)(meta + ddf32toh(hdr->cd_section) *DEV_BSIZE);
4817 pdr = (struct ddf_pd_record*)(meta + ddf32toh(hdr->pdr_section)*DEV_BSIZE);
4818 vdr = (struct ddf_vd_record*)(meta + ddf32toh(hdr->vdr_section)*DEV_BSIZE);
4819 cr = (uint8_t *)(meta + ddf32toh(hdr->cr_section) * DEV_BSIZE);
4820 pdd = (struct ddf_pdd_record*)(meta + ddf32toh(hdr->pdd_section)*DEV_BSIZE);
4821 pde = NULL;
4822 vde = NULL;
4823
4824 printf("********* ATA DDF Metadata *********\n");
4825 printf("**** Header ****\n");
4826 r = (char *)&hdr->DDF_rev[0];
4827 printf("DDF_rev= %8.8s Sequence_Number= 0x%x Open_Flag= 0x%x\n", r,
4828 ddf32toh(hdr->Sequence_Number), hdr->Open_Flag);
4829 printf("Primary Header LBA= %llu Header_Type = 0x%x\n",
4830 (unsigned long long)ddf64toh(hdr->Primary_Header_LBA),
4831 hdr->Header_Type);
4832 printf("Max_PD_Entries= %d Max_VD_Entries= %d Max_Partitions= %d "
4833 "CR_Length= %d\n", ddf16toh(hdr->Max_PD_Entries),
4834 ddf16toh(hdr->Max_VD_Entries), ddf16toh(hdr->Max_Partitions),
4835 ddf16toh(hdr->Configuration_Record_Length));
4836 printf("CD= %d:%d PDR= %d:%d VDR= %d:%d CR= %d:%d PDD= %d%d\n",
4837 ddf32toh(hdr->cd_section), ddf32toh(hdr->cd_length),
4838 ddf32toh(hdr->pdr_section), ddf32toh(hdr->pdr_length),
4839 ddf32toh(hdr->vdr_section), ddf32toh(hdr->vdr_length),
4840 ddf32toh(hdr->cr_section), ddf32toh(hdr->cr_length),
4841 ddf32toh(hdr->pdd_section), ddf32toh(hdr->pdd_length));
4842 printf("**** Controler Data ****\n");
4843 r = (char *)&cd->Product_ID[0];
4844 printf("Product_ID: %16.16s\n", r);
4845 printf("Vendor 0x%x, Device 0x%x, SubVendor 0x%x, Sub_Device 0x%x\n",
4846 ddf16toh(cd->Controller_Type.Vendor_ID),
4847 ddf16toh(cd->Controller_Type.Device_ID),
4848 ddf16toh(cd->Controller_Type.SubVendor_ID),
4849 ddf16toh(cd->Controller_Type.SubDevice_ID));
4850 }
4851
4852 static char *
4853 ata_raid_hptv2_type(int type)
4854 {
4855 static char buffer[16];
4856
4857 switch (type) {
4858 case HPTV2_T_RAID0: return "RAID0";
4859 case HPTV2_T_RAID1: return "RAID1";
4860 case HPTV2_T_RAID01_RAID0: return "RAID01_RAID0";
4861 case HPTV2_T_SPAN: return "SPAN";
4862 case HPTV2_T_RAID_3: return "RAID3";
4863 case HPTV2_T_RAID_5: return "RAID5";
4864 case HPTV2_T_JBOD: return "JBOD";
4865 case HPTV2_T_RAID01_RAID1: return "RAID01_RAID1";
4866 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
4867 return buffer;
4868 }
4869 }
4870
4871 static void
4872 ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta)
4873 {
4874 int i;
4875
4876 printf("****** ATA Highpoint V2 RocketRAID Metadata *****\n");
4877 printf("magic 0x%08x\n", meta->magic);
4878 printf("magic_0 0x%08x\n", meta->magic_0);
4879 printf("magic_1 0x%08x\n", meta->magic_1);
4880 printf("order 0x%08x\n", meta->order);
4881 printf("array_width %u\n", meta->array_width);
4882 printf("stripe_shift %u\n", meta->stripe_shift);
4883 printf("type %s\n", ata_raid_hptv2_type(meta->type));
4884 printf("disk_number %u\n", meta->disk_number);
4885 printf("total_sectors %u\n", meta->total_sectors);
4886 printf("disk_mode 0x%08x\n", meta->disk_mode);
4887 printf("boot_mode 0x%08x\n", meta->boot_mode);
4888 printf("boot_disk 0x%02x\n", meta->boot_disk);
4889 printf("boot_protect 0x%02x\n", meta->boot_protect);
4890 printf("log_entries 0x%02x\n", meta->error_log_entries);
4891 printf("log_index 0x%02x\n", meta->error_log_index);
4892 if (meta->error_log_entries) {
4893 printf(" timestamp reason disk status sectors lba\n");
4894 for (i = meta->error_log_index;
4895 i < meta->error_log_index + meta->error_log_entries; i++)
4896 printf(" 0x%08x 0x%02x 0x%02x 0x%02x 0x%02x 0x%08x\n",
4897 meta->errorlog[i%32].timestamp,
4898 meta->errorlog[i%32].reason,
4899 meta->errorlog[i%32].disk, meta->errorlog[i%32].status,
4900 meta->errorlog[i%32].sectors, meta->errorlog[i%32].lba);
4901 }
4902 printf("rebuild_lba 0x%08x\n", meta->rebuild_lba);
4903 printf("dummy_1 0x%02x\n", meta->dummy_1);
4904 printf("name_1 <%.15s>\n", meta->name_1);
4905 printf("dummy_2 0x%02x\n", meta->dummy_2);
4906 printf("name_2 <%.15s>\n", meta->name_2);
4907 printf("=================================================\n");
4908 }
4909
4910 static char *
4911 ata_raid_hptv3_type(int type)
4912 {
4913 static char buffer[16];
4914
4915 switch (type) {
4916 case HPTV3_T_SPARE: return "SPARE";
4917 case HPTV3_T_JBOD: return "JBOD";
4918 case HPTV3_T_SPAN: return "SPAN";
4919 case HPTV3_T_RAID0: return "RAID0";
4920 case HPTV3_T_RAID1: return "RAID1";
4921 case HPTV3_T_RAID3: return "RAID3";
4922 case HPTV3_T_RAID5: return "RAID5";
4923 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
4924 return buffer;
4925 }
4926 }
4927
4928 static void
4929 ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta)
4930 {
4931 int i;
4932
4933 printf("****** ATA Highpoint V3 RocketRAID Metadata *****\n");
4934 printf("magic 0x%08x\n", meta->magic);
4935 printf("magic_0 0x%08x\n", meta->magic_0);
4936 printf("checksum_0 0x%02x\n", meta->checksum_0);
4937 printf("mode 0x%02x\n", meta->mode);
4938 printf("user_mode 0x%02x\n", meta->user_mode);
4939 printf("config_entries 0x%02x\n", meta->config_entries);
4940 for (i = 0; i < meta->config_entries; i++) {
4941 printf("config %d:\n", i);
4942 printf(" total_sectors %ju\n",
4943 meta->configs[0].total_sectors +
4944 ((u_int64_t)meta->configs_high[0].total_sectors << 32));
4945 printf(" type %s\n",
4946 ata_raid_hptv3_type(meta->configs[i].type));
4947 printf(" total_disks %u\n", meta->configs[i].total_disks);
4948 printf(" disk_number %u\n", meta->configs[i].disk_number);
4949 printf(" stripe_shift %u\n", meta->configs[i].stripe_shift);
4950 printf(" status %b\n", meta->configs[i].status,
4951 "\2\2RAID5\1NEED_REBUILD\n");
4952 printf(" critical_disks %u\n", meta->configs[i].critical_disks);
4953 printf(" rebuild_lba %ju\n",
4954 meta->configs_high[0].rebuild_lba +
4955 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32));
4956 }
4957 printf("name <%.16s>\n", meta->name);
4958 printf("timestamp 0x%08x\n", meta->timestamp);
4959 printf("description <%.16s>\n", meta->description);
4960 printf("creator <%.16s>\n", meta->creator);
4961 printf("checksum_1 0x%02x\n", meta->checksum_1);
4962 printf("dummy_0 0x%02x\n", meta->dummy_0);
4963 printf("dummy_1 0x%02x\n", meta->dummy_1);
4964 printf("flags %b\n", meta->flags,
4965 "\2\4RCACHE\3WCACHE\2NCQ\1TCQ\n");
4966 printf("=================================================\n");
4967 }
4968
4969 static char *
4970 ata_raid_intel_type(int type)
4971 {
4972 static char buffer[16];
4973
4974 switch (type) {
4975 case INTEL_T_RAID0: return "RAID0";
4976 case INTEL_T_RAID1: return "RAID1";
4977 case INTEL_T_RAID5: return "RAID5";
4978 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
4979 return buffer;
4980 }
4981 }
4982
4983 static void
4984 ata_raid_intel_print_meta(struct intel_raid_conf *meta)
4985 {
4986 struct intel_raid_mapping *map;
4987 int i, j;
4988
4989 printf("********* ATA Intel MatrixRAID Metadata *********\n");
4990 printf("intel_id <%.24s>\n", meta->intel_id);
4991 printf("version <%.6s>\n", meta->version);
4992 printf("checksum 0x%08x\n", meta->checksum);
4993 printf("config_size 0x%08x\n", meta->config_size);
4994 printf("config_id 0x%08x\n", meta->config_id);
4995 printf("generation 0x%08x\n", meta->generation);
4996 printf("total_disks %u\n", meta->total_disks);
4997 printf("total_volumes %u\n", meta->total_volumes);
4998 printf("DISK# serial disk_sectors disk_id flags\n");
4999 for (i = 0; i < meta->total_disks; i++ ) {
5000 printf(" %d <%.16s> %u 0x%08x 0x%08x\n", i,
5001 meta->disk[i].serial, meta->disk[i].sectors,
5002 meta->disk[i].id, meta->disk[i].flags);
5003 }
5004 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks];
5005 for (j = 0; j < meta->total_volumes; j++) {
5006 printf("name %.16s\n", map->name);
5007 printf("total_sectors %ju\n", map->total_sectors);
5008 printf("state %u\n", map->state);
5009 printf("reserved %u\n", map->reserved);
5010 printf("offset %u\n", map->offset);
5011 printf("disk_sectors %u\n", map->disk_sectors);
5012 printf("stripe_count %u\n", map->stripe_count);
5013 printf("stripe_sectors %u\n", map->stripe_sectors);
5014 printf("status %u\n", map->status);
5015 printf("type %s\n", ata_raid_intel_type(map->type));
5016 printf("total_disks %u\n", map->total_disks);
5017 printf("magic[0] 0x%02x\n", map->magic[0]);
5018 printf("magic[1] 0x%02x\n", map->magic[1]);
5019 printf("magic[2] 0x%02x\n", map->magic[2]);
5020 for (i = 0; i < map->total_disks; i++ ) {
5021 printf(" disk %d at disk_idx 0x%08x\n", i, map->disk_idx[i]);
5022 }
5023 map = (struct intel_raid_mapping *)&map->disk_idx[map->total_disks];
5024 }
5025 printf("=================================================\n");
5026 }
5027
5028 static char *
5029 ata_raid_ite_type(int type)
5030 {
5031 static char buffer[16];
5032
5033 switch (type) {
5034 case ITE_T_RAID0: return "RAID0";
5035 case ITE_T_RAID1: return "RAID1";
5036 case ITE_T_RAID01: return "RAID0+1";
5037 case ITE_T_SPAN: return "SPAN";
5038 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
5039 return buffer;
5040 }
5041 }
5042
5043 static void
5044 ata_raid_ite_print_meta(struct ite_raid_conf *meta)
5045 {
5046 printf("*** ATA Integrated Technology Express Metadata **\n");
5047 printf("ite_id <%.40s>\n", meta->ite_id);
5048 printf("timestamp_0 %04x/%02x/%02x %02x:%02x:%02x.%02x\n",
5049 *((u_int16_t *)meta->timestamp_0), meta->timestamp_0[2],
5050 meta->timestamp_0[3], meta->timestamp_0[5], meta->timestamp_0[4],
5051 meta->timestamp_0[7], meta->timestamp_0[6]);
5052 printf("total_sectors %jd\n", meta->total_sectors);
5053 printf("type %s\n", ata_raid_ite_type(meta->type));
5054 printf("stripe_1kblocks %u\n", meta->stripe_1kblocks);
5055 printf("timestamp_1 %04x/%02x/%02x %02x:%02x:%02x.%02x\n",
5056 *((u_int16_t *)meta->timestamp_1), meta->timestamp_1[2],
5057 meta->timestamp_1[3], meta->timestamp_1[5], meta->timestamp_1[4],
5058 meta->timestamp_1[7], meta->timestamp_1[6]);
5059 printf("stripe_sectors %u\n", meta->stripe_sectors);
5060 printf("array_width %u\n", meta->array_width);
5061 printf("disk_number %u\n", meta->disk_number);
5062 printf("disk_sectors %u\n", meta->disk_sectors);
5063 printf("=================================================\n");
5064 }
5065
5066 static char *
5067 ata_raid_jmicron_type(int type)
5068 {
5069 static char buffer[16];
5070
5071 switch (type) {
5072 case JM_T_RAID0: return "RAID0";
5073 case JM_T_RAID1: return "RAID1";
5074 case JM_T_RAID01: return "RAID0+1";
5075 case JM_T_JBOD: return "JBOD";
5076 case JM_T_RAID5: return "RAID5";
5077 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
5078 return buffer;
5079 }
5080 }
5081
5082 static void
5083 ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta)
5084 {
5085 int i;
5086
5087 printf("***** ATA JMicron Technology Corp Metadata ******\n");
5088 printf("signature %.2s\n", meta->signature);
5089 printf("version 0x%04x\n", meta->version);
5090 printf("checksum 0x%04x\n", meta->checksum);
5091 printf("disk_id 0x%08x\n", meta->disk_id);
5092 printf("offset 0x%08x\n", meta->offset);
5093 printf("disk_sectors_low 0x%08x\n", meta->disk_sectors_low);
5094 printf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high);
5095 printf("name %.16s\n", meta->name);
5096 printf("type %s\n", ata_raid_jmicron_type(meta->type));
5097 printf("stripe_shift %d\n", meta->stripe_shift);
5098 printf("flags 0x%04x\n", meta->flags);
5099 printf("spare:\n");
5100 for (i=0; i < 2 && meta->spare[i]; i++)
5101 printf(" %d 0x%08x\n", i, meta->spare[i]);
5102 printf("disks:\n");
5103 for (i=0; i < 8 && meta->disks[i]; i++)
5104 printf(" %d 0x%08x\n", i, meta->disks[i]);
5105 printf("=================================================\n");
5106 }
5107
5108 static char *
5109 ata_raid_lsiv2_type(int type)
5110 {
5111 static char buffer[16];
5112
5113 switch (type) {
5114 case LSIV2_T_RAID0: return "RAID0";
5115 case LSIV2_T_RAID1: return "RAID1";
5116 case LSIV2_T_SPARE: return "SPARE";
5117 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
5118 return buffer;
5119 }
5120 }
5121
5122 static void
5123 ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta)
5124 {
5125 int i;
5126
5127 printf("******* ATA LSILogic V2 MegaRAID Metadata *******\n");
5128 printf("lsi_id <%s>\n", meta->lsi_id);
5129 printf("dummy_0 0x%02x\n", meta->dummy_0);
5130 printf("flags 0x%02x\n", meta->flags);
5131 printf("version 0x%04x\n", meta->version);
5132 printf("config_entries 0x%02x\n", meta->config_entries);
5133 printf("raid_count 0x%02x\n", meta->raid_count);
5134 printf("total_disks 0x%02x\n", meta->total_disks);
5135 printf("dummy_1 0x%02x\n", meta->dummy_1);
5136 printf("dummy_2 0x%04x\n", meta->dummy_2);
5137 for (i = 0; i < meta->config_entries; i++) {
5138 printf(" type %s\n",
5139 ata_raid_lsiv2_type(meta->configs[i].raid.type));
5140 printf(" dummy_0 %02x\n", meta->configs[i].raid.dummy_0);
5141 printf(" stripe_sectors %u\n",
5142 meta->configs[i].raid.stripe_sectors);
5143 printf(" array_width %u\n",
5144 meta->configs[i].raid.array_width);
5145 printf(" disk_count %u\n", meta->configs[i].raid.disk_count);
5146 printf(" config_offset %u\n",
5147 meta->configs[i].raid.config_offset);
5148 printf(" dummy_1 %u\n", meta->configs[i].raid.dummy_1);
5149 printf(" flags %02x\n", meta->configs[i].raid.flags);
5150 printf(" total_sectors %u\n",
5151 meta->configs[i].raid.total_sectors);
5152 }
5153 printf("disk_number 0x%02x\n", meta->disk_number);
5154 printf("raid_number 0x%02x\n", meta->raid_number);
5155 printf("timestamp 0x%08x\n", meta->timestamp);
5156 printf("=================================================\n");
5157 }
5158
5159 static char *
5160 ata_raid_lsiv3_type(int type)
5161 {
5162 static char buffer[16];
5163
5164 switch (type) {
5165 case LSIV3_T_RAID0: return "RAID0";
5166 case LSIV3_T_RAID1: return "RAID1";
5167 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
5168 return buffer;
5169 }
5170 }
5171
5172 static void
5173 ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta)
5174 {
5175 int i;
5176
5177 printf("******* ATA LSILogic V3 MegaRAID Metadata *******\n");
5178 printf("lsi_id <%.6s>\n", meta->lsi_id);
5179 printf("dummy_0 0x%04x\n", meta->dummy_0);
5180 printf("version 0x%04x\n", meta->version);
5181 printf("dummy_0 0x%04x\n", meta->dummy_1);
5182 printf("RAID configs:\n");
5183 for (i = 0; i < 8; i++) {
5184 if (meta->raid[i].total_disks) {
5185 printf("%02d stripe_pages %u\n", i,
5186 meta->raid[i].stripe_pages);
5187 printf("%02d type %s\n", i,
5188 ata_raid_lsiv3_type(meta->raid[i].type));
5189 printf("%02d total_disks %u\n", i,
5190 meta->raid[i].total_disks);
5191 printf("%02d array_width %u\n", i,
5192 meta->raid[i].array_width);
5193 printf("%02d sectors %u\n", i, meta->raid[i].sectors);
5194 printf("%02d offset %u\n", i, meta->raid[i].offset);
5195 printf("%02d device 0x%02x\n", i,
5196 meta->raid[i].device);
5197 }
5198 }
5199 printf("DISK configs:\n");
5200 for (i = 0; i < 6; i++) {
5201 if (meta->disk[i].disk_sectors) {
5202 printf("%02d disk_sectors %u\n", i,
5203 meta->disk[i].disk_sectors);
5204 printf("%02d flags 0x%02x\n", i, meta->disk[i].flags);
5205 }
5206 }
5207 printf("device 0x%02x\n", meta->device);
5208 printf("timestamp 0x%08x\n", meta->timestamp);
5209 printf("checksum_1 0x%02x\n", meta->checksum_1);
5210 printf("=================================================\n");
5211 }
5212
5213 static char *
5214 ata_raid_nvidia_type(int type)
5215 {
5216 static char buffer[16];
5217
5218 switch (type) {
5219 case NV_T_SPAN: return "SPAN";
5220 case NV_T_RAID0: return "RAID0";
5221 case NV_T_RAID1: return "RAID1";
5222 case NV_T_RAID3: return "RAID3";
5223 case NV_T_RAID5: return "RAID5";
5224 case NV_T_RAID01: return "RAID0+1";
5225 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
5226 return buffer;
5227 }
5228 }
5229
5230 static void
5231 ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta)
5232 {
5233 printf("******** ATA nVidia MediaShield Metadata ********\n");
5234 printf("nvidia_id <%.8s>\n", meta->nvidia_id);
5235 printf("config_size %d\n", meta->config_size);
5236 printf("checksum 0x%08x\n", meta->checksum);
5237 printf("version 0x%04x\n", meta->version);
5238 printf("disk_number %d\n", meta->disk_number);
5239 printf("dummy_0 0x%02x\n", meta->dummy_0);
5240 printf("total_sectors %d\n", meta->total_sectors);
5241 printf("sectors_size %d\n", meta->sector_size);
5242 printf("serial %.16s\n", meta->serial);
5243 printf("revision %.4s\n", meta->revision);
5244 printf("dummy_1 0x%08x\n", meta->dummy_1);
5245 printf("magic_0 0x%08x\n", meta->magic_0);
5246 printf("magic_1 0x%016jx\n", meta->magic_1);
5247 printf("magic_2 0x%016jx\n", meta->magic_2);
5248 printf("flags 0x%02x\n", meta->flags);
5249 printf("array_width %d\n", meta->array_width);
5250 printf("total_disks %d\n", meta->total_disks);
5251 printf("dummy_2 0x%02x\n", meta->dummy_2);
5252 printf("type %s\n", ata_raid_nvidia_type(meta->type));
5253 printf("dummy_3 0x%04x\n", meta->dummy_3);
5254 printf("stripe_sectors %d\n", meta->stripe_sectors);
5255 printf("stripe_bytes %d\n", meta->stripe_bytes);
5256 printf("stripe_shift %d\n", meta->stripe_shift);
5257 printf("stripe_mask 0x%08x\n", meta->stripe_mask);
5258 printf("stripe_sizesectors %d\n", meta->stripe_sizesectors);
5259 printf("stripe_sizebytes %d\n", meta->stripe_sizebytes);
5260 printf("rebuild_lba %d\n", meta->rebuild_lba);
5261 printf("dummy_4 0x%08x\n", meta->dummy_4);
5262 printf("dummy_5 0x%08x\n", meta->dummy_5);
5263 printf("status 0x%08x\n", meta->status);
5264 printf("=================================================\n");
5265 }
5266
5267 static char *
5268 ata_raid_promise_type(int type)
5269 {
5270 static char buffer[16];
5271
5272 switch (type) {
5273 case PR_T_RAID0: return "RAID0";
5274 case PR_T_RAID1: return "RAID1";
5275 case PR_T_RAID3: return "RAID3";
5276 case PR_T_RAID5: return "RAID5";
5277 case PR_T_SPAN: return "SPAN";
5278 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
5279 return buffer;
5280 }
5281 }
5282
5283 static void
5284 ata_raid_promise_print_meta(struct promise_raid_conf *meta)
5285 {
5286 int i;
5287
5288 printf("********* ATA Promise FastTrak Metadata *********\n");
5289 printf("promise_id <%s>\n", meta->promise_id);
5290 printf("dummy_0 0x%08x\n", meta->dummy_0);
5291 printf("magic_0 0x%016jx\n", meta->magic_0);
5292 printf("magic_1 0x%04x\n", meta->magic_1);
5293 printf("magic_2 0x%08x\n", meta->magic_2);
5294 printf("integrity 0x%08x %b\n", meta->raid.integrity,
5295 meta->raid.integrity, "\2\10VALID\n" );
5296 printf("flags 0x%02x %b\n",
5297 meta->raid.flags, meta->raid.flags,
5298 "\2\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE"
5299 "\3ASSIGNED\2ONLINE\1VALID\n");
5300 printf("disk_number %d\n", meta->raid.disk_number);
5301 printf("channel 0x%02x\n", meta->raid.channel);
5302 printf("device 0x%02x\n", meta->raid.device);
5303 printf("magic_0 0x%016jx\n", meta->raid.magic_0);
5304 printf("disk_offset %u\n", meta->raid.disk_offset);
5305 printf("disk_sectors %u\n", meta->raid.disk_sectors);
5306 printf("rebuild_lba 0x%08x\n", meta->raid.rebuild_lba);
5307 printf("generation 0x%04x\n", meta->raid.generation);
5308 printf("status 0x%02x %b\n",
5309 meta->raid.status, meta->raid.status,
5310 "\2\6MARKED\5DEGRADED\4READY\3INITED\2ONLINE\1VALID\n");
5311 printf("type %s\n", ata_raid_promise_type(meta->raid.type));
5312 printf("total_disks %u\n", meta->raid.total_disks);
5313 printf("stripe_shift %u\n", meta->raid.stripe_shift);
5314 printf("array_width %u\n", meta->raid.array_width);
5315 printf("array_number %u\n", meta->raid.array_number);
5316 printf("total_sectors %u\n", meta->raid.total_sectors);
5317 printf("cylinders %u\n", meta->raid.cylinders);
5318 printf("heads %u\n", meta->raid.heads);
5319 printf("sectors %u\n", meta->raid.sectors);
5320 printf("magic_1 0x%016jx\n", meta->raid.magic_1);
5321 printf("DISK# flags dummy_0 channel device magic_0\n");
5322 for (i = 0; i < 8; i++) {
5323 printf(" %d %b 0x%02x 0x%02x 0x%02x ",
5324 i, meta->raid.disk[i].flags,
5325 "\2\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE"
5326 "\3ASSIGNED\2ONLINE\1VALID\n", meta->raid.disk[i].dummy_0,
5327 meta->raid.disk[i].channel, meta->raid.disk[i].device);
5328 printf("0x%016jx\n", meta->raid.disk[i].magic_0);
5329 }
5330 printf("checksum 0x%08x\n", meta->checksum);
5331 printf("=================================================\n");
5332 }
5333
5334 static char *
5335 ata_raid_sii_type(int type)
5336 {
5337 static char buffer[16];
5338
5339 switch (type) {
5340 case SII_T_RAID0: return "RAID0";
5341 case SII_T_RAID1: return "RAID1";
5342 case SII_T_RAID01: return "RAID0+1";
5343 case SII_T_SPARE: return "SPARE";
5344 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
5345 return buffer;
5346 }
5347 }
5348
5349 static void
5350 ata_raid_sii_print_meta(struct sii_raid_conf *meta)
5351 {
5352 printf("******* ATA Silicon Image Medley Metadata *******\n");
5353 printf("total_sectors %ju\n", meta->total_sectors);
5354 printf("dummy_0 0x%04x\n", meta->dummy_0);
5355 printf("dummy_1 0x%04x\n", meta->dummy_1);
5356 printf("controller_pci_id 0x%08x\n", meta->controller_pci_id);
5357 printf("version_minor 0x%04x\n", meta->version_minor);
5358 printf("version_major 0x%04x\n", meta->version_major);
5359 printf("timestamp 20%02x/%02x/%02x %02x:%02x:%02x\n",
5360 meta->timestamp[5], meta->timestamp[4], meta->timestamp[3],
5361 meta->timestamp[2], meta->timestamp[1], meta->timestamp[0]);
5362 printf("stripe_sectors %u\n", meta->stripe_sectors);
5363 printf("dummy_2 0x%04x\n", meta->dummy_2);
5364 printf("disk_number %u\n", meta->disk_number);
5365 printf("type %s\n", ata_raid_sii_type(meta->type));
5366 printf("raid0_disks %u\n", meta->raid0_disks);
5367 printf("raid0_ident %u\n", meta->raid0_ident);
5368 printf("raid1_disks %u\n", meta->raid1_disks);
5369 printf("raid1_ident %u\n", meta->raid1_ident);
5370 printf("rebuild_lba %ju\n", meta->rebuild_lba);
5371 printf("generation 0x%08x\n", meta->generation);
5372 printf("status 0x%02x %b\n",
5373 meta->status, meta->status,
5374 "\2\1READY\n");
5375 printf("base_raid1_position %02x\n", meta->base_raid1_position);
5376 printf("base_raid0_position %02x\n", meta->base_raid0_position);
5377 printf("position %02x\n", meta->position);
5378 printf("dummy_3 %04x\n", meta->dummy_3);
5379 printf("name <%.16s>\n", meta->name);
5380 printf("checksum_0 0x%04x\n", meta->checksum_0);
5381 printf("checksum_1 0x%04x\n", meta->checksum_1);
5382 printf("=================================================\n");
5383 }
5384
5385 static char *
5386 ata_raid_sis_type(int type)
5387 {
5388 static char buffer[16];
5389
5390 switch (type) {
5391 case SIS_T_JBOD: return "JBOD";
5392 case SIS_T_RAID0: return "RAID0";
5393 case SIS_T_RAID1: return "RAID1";
5394 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
5395 return buffer;
5396 }
5397 }
5398
5399 static void
5400 ata_raid_sis_print_meta(struct sis_raid_conf *meta)
5401 {
5402 printf("**** ATA Silicon Integrated Systems Metadata ****\n");
5403 printf("magic 0x%04x\n", meta->magic);
5404 printf("disks 0x%02x\n", meta->disks);
5405 printf("type %s\n",
5406 ata_raid_sis_type(meta->type_total_disks & SIS_T_MASK));
5407 printf("total_disks %u\n", meta->type_total_disks & SIS_D_MASK);
5408 printf("dummy_0 0x%08x\n", meta->dummy_0);
5409 printf("controller_pci_id 0x%08x\n", meta->controller_pci_id);
5410 printf("stripe_sectors %u\n", meta->stripe_sectors);
5411 printf("dummy_1 0x%04x\n", meta->dummy_1);
5412 printf("timestamp 0x%08x\n", meta->timestamp);
5413 printf("model %.40s\n", meta->model);
5414 printf("disk_number %u\n", meta->disk_number);
5415 printf("dummy_2 0x%02x 0x%02x 0x%02x\n",
5416 meta->dummy_2[0], meta->dummy_2[1], meta->dummy_2[2]);
5417 printf("=================================================\n");
5418 }
5419
5420 static char *
5421 ata_raid_via_type(int type)
5422 {
5423 static char buffer[16];
5424
5425 switch (type) {
5426 case VIA_T_RAID0: return "RAID0";
5427 case VIA_T_RAID1: return "RAID1";
5428 case VIA_T_RAID5: return "RAID5";
5429 case VIA_T_RAID01: return "RAID0+1";
5430 case VIA_T_SPAN: return "SPAN";
5431 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
5432 return buffer;
5433 }
5434 }
5435
5436 static void
5437 ata_raid_via_print_meta(struct via_raid_conf *meta)
5438 {
5439 int i;
5440
5441 printf("*************** ATA VIA Metadata ****************\n");
5442 printf("magic 0x%02x\n", meta->magic);
5443 printf("dummy_0 0x%02x\n", meta->dummy_0);
5444 printf("type %s\n",
5445 ata_raid_via_type(meta->type & VIA_T_MASK));
5446 printf("bootable %d\n", meta->type & VIA_T_BOOTABLE);
5447 printf("unknown %d\n", meta->type & VIA_T_UNKNOWN);
5448 printf("disk_index 0x%02x\n", meta->disk_index);
5449 printf("stripe_layout 0x%02x\n", meta->stripe_layout);
5450 printf(" stripe_disks %d\n", meta->stripe_layout & VIA_L_DISKS);
5451 printf(" stripe_sectors %d\n",
5452 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT));
5453 printf("disk_sectors %ju\n", meta->disk_sectors);
5454 printf("disk_id 0x%08x\n", meta->disk_id);
5455 printf("DISK# disk_id\n");
5456 for (i = 0; i < 8; i++) {
5457 if (meta->disks[i])
5458 printf(" %d 0x%08x\n", i, meta->disks[i]);
5459 }
5460 printf("checksum 0x%02x\n", meta->checksum);
5461 printf("=================================================\n");
5462 }
Cache object: 6dcf5a541625b4cbb6981a6d16e21f19
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