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: head/sys/dev/ata/ata-raid.c 199050 2009-11-08 14:33:19Z 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 devclass=device_get_devclass(GRANDPARENT(GRANDPARENT(subdisk)));
1355
1356 /* prioritize vendor native metadata layout if possible */
1357 if (devclass == pci_devclass) {
1358 switch (pci_get_vendor(GRANDPARENT(device_get_parent(subdisk)))) {
1359 case ATA_HIGHPOINT_ID:
1360 if (ata_raid_hptv3_read_meta(subdisk, ata_raid_arrays))
1361 return 0;
1362 if (ata_raid_hptv2_read_meta(subdisk, ata_raid_arrays))
1363 return 0;
1364 break;
1365
1366 case ATA_INTEL_ID:
1367 if (ata_raid_intel_read_meta(subdisk, ata_raid_arrays))
1368 return 0;
1369 break;
1370
1371 case ATA_ITE_ID:
1372 if (ata_raid_ite_read_meta(subdisk, ata_raid_arrays))
1373 return 0;
1374 break;
1375
1376 case ATA_JMICRON_ID:
1377 if (ata_raid_jmicron_read_meta(subdisk, ata_raid_arrays))
1378 return 0;
1379 break;
1380
1381 case ATA_NVIDIA_ID:
1382 if (ata_raid_nvidia_read_meta(subdisk, ata_raid_arrays))
1383 return 0;
1384 break;
1385
1386 case 0: /* XXX SOS cover up for bug in our PCI code */
1387 case ATA_PROMISE_ID:
1388 if (ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 0))
1389 return 0;
1390 break;
1391
1392 case ATA_ATI_ID:
1393 case ATA_SILICON_IMAGE_ID:
1394 if (ata_raid_sii_read_meta(subdisk, ata_raid_arrays))
1395 return 0;
1396 break;
1397
1398 case ATA_SIS_ID:
1399 if (ata_raid_sis_read_meta(subdisk, ata_raid_arrays))
1400 return 0;
1401 break;
1402
1403 case ATA_VIA_ID:
1404 if (ata_raid_via_read_meta(subdisk, ata_raid_arrays))
1405 return 0;
1406 break;
1407 }
1408 }
1409
1410 /* handle controllers that have multiple layout possibilities */
1411 /* NOTE: the order of these are not insignificant */
1412
1413 /* Adaptec HostRAID */
1414 if (ata_raid_adaptec_read_meta(subdisk, ata_raid_arrays))
1415 return 0;
1416
1417 /* LSILogic v3 and v2 */
1418 if (ata_raid_lsiv3_read_meta(subdisk, ata_raid_arrays))
1419 return 0;
1420 if (ata_raid_lsiv2_read_meta(subdisk, ata_raid_arrays))
1421 return 0;
1422
1423 /* DDF (used by Adaptec, maybe others) */
1424 if (ata_raid_ddf_read_meta(subdisk, ata_raid_arrays))
1425 return 0;
1426
1427 /* if none of the above matched, try FreeBSD native format */
1428 return ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 1);
1429 }
1430
1431 static int
1432 ata_raid_write_metadata(struct ar_softc *rdp)
1433 {
1434 switch (rdp->format) {
1435 case AR_F_FREEBSD_RAID:
1436 case AR_F_PROMISE_RAID:
1437 return ata_raid_promise_write_meta(rdp);
1438
1439 case AR_F_HPTV3_RAID:
1440 case AR_F_HPTV2_RAID:
1441 /*
1442 * always write HPT v2 metadata, the v3 BIOS knows it as well.
1443 * this is handy since we cannot know what version BIOS is on there
1444 */
1445 return ata_raid_hptv2_write_meta(rdp);
1446
1447 case AR_F_INTEL_RAID:
1448 return ata_raid_intel_write_meta(rdp);
1449
1450 case AR_F_JMICRON_RAID:
1451 return ata_raid_jmicron_write_meta(rdp);
1452
1453 case AR_F_SIS_RAID:
1454 return ata_raid_sis_write_meta(rdp);
1455
1456 case AR_F_VIA_RAID:
1457 return ata_raid_via_write_meta(rdp);
1458 #if 0
1459 case AR_F_HPTV3_RAID:
1460 return ata_raid_hptv3_write_meta(rdp);
1461
1462 case AR_F_ADAPTEC_RAID:
1463 return ata_raid_adaptec_write_meta(rdp);
1464
1465 case AR_F_ITE_RAID:
1466 return ata_raid_ite_write_meta(rdp);
1467
1468 case AR_F_LSIV2_RAID:
1469 return ata_raid_lsiv2_write_meta(rdp);
1470
1471 case AR_F_LSIV3_RAID:
1472 return ata_raid_lsiv3_write_meta(rdp);
1473
1474 case AR_F_NVIDIA_RAID:
1475 return ata_raid_nvidia_write_meta(rdp);
1476
1477 case AR_F_SII_RAID:
1478 return ata_raid_sii_write_meta(rdp);
1479
1480 #endif
1481 default:
1482 printf("ar%d: writing of %s metadata is NOT supported yet\n",
1483 rdp->lun, ata_raid_format(rdp));
1484 }
1485 return -1;
1486 }
1487
1488 static int
1489 ata_raid_wipe_metadata(struct ar_softc *rdp)
1490 {
1491 int disk, error = 0;
1492 u_int64_t lba;
1493 u_int32_t size;
1494 u_int8_t *meta;
1495
1496 for (disk = 0; disk < rdp->total_disks; disk++) {
1497 if (rdp->disks[disk].dev) {
1498 switch (rdp->format) {
1499 case AR_F_ADAPTEC_RAID:
1500 lba = ADP_LBA(rdp->disks[disk].dev);
1501 size = sizeof(struct adaptec_raid_conf);
1502 break;
1503
1504 case AR_F_HPTV2_RAID:
1505 lba = HPTV2_LBA(rdp->disks[disk].dev);
1506 size = sizeof(struct hptv2_raid_conf);
1507 break;
1508
1509 case AR_F_HPTV3_RAID:
1510 lba = HPTV3_LBA(rdp->disks[disk].dev);
1511 size = sizeof(struct hptv3_raid_conf);
1512 break;
1513
1514 case AR_F_INTEL_RAID:
1515 lba = INTEL_LBA(rdp->disks[disk].dev);
1516 size = 3 * 512; /* XXX SOS */
1517 break;
1518
1519 case AR_F_ITE_RAID:
1520 lba = ITE_LBA(rdp->disks[disk].dev);
1521 size = sizeof(struct ite_raid_conf);
1522 break;
1523
1524 case AR_F_JMICRON_RAID:
1525 lba = JMICRON_LBA(rdp->disks[disk].dev);
1526 size = sizeof(struct jmicron_raid_conf);
1527 break;
1528
1529 case AR_F_LSIV2_RAID:
1530 lba = LSIV2_LBA(rdp->disks[disk].dev);
1531 size = sizeof(struct lsiv2_raid_conf);
1532 break;
1533
1534 case AR_F_LSIV3_RAID:
1535 lba = LSIV3_LBA(rdp->disks[disk].dev);
1536 size = sizeof(struct lsiv3_raid_conf);
1537 break;
1538
1539 case AR_F_NVIDIA_RAID:
1540 lba = NVIDIA_LBA(rdp->disks[disk].dev);
1541 size = sizeof(struct nvidia_raid_conf);
1542 break;
1543
1544 case AR_F_FREEBSD_RAID:
1545 case AR_F_PROMISE_RAID:
1546 lba = PROMISE_LBA(rdp->disks[disk].dev);
1547 size = sizeof(struct promise_raid_conf);
1548 break;
1549
1550 case AR_F_SII_RAID:
1551 lba = SII_LBA(rdp->disks[disk].dev);
1552 size = sizeof(struct sii_raid_conf);
1553 break;
1554
1555 case AR_F_SIS_RAID:
1556 lba = SIS_LBA(rdp->disks[disk].dev);
1557 size = sizeof(struct sis_raid_conf);
1558 break;
1559
1560 case AR_F_VIA_RAID:
1561 lba = VIA_LBA(rdp->disks[disk].dev);
1562 size = sizeof(struct via_raid_conf);
1563 break;
1564
1565 default:
1566 printf("ar%d: wiping of %s metadata is NOT supported yet\n",
1567 rdp->lun, ata_raid_format(rdp));
1568 return ENXIO;
1569 }
1570 if (!(meta = malloc(size, M_AR, M_NOWAIT | M_ZERO)))
1571 return ENOMEM;
1572 if (ata_raid_rw(rdp->disks[disk].dev, lba, meta, size,
1573 ATA_R_WRITE | ATA_R_DIRECT)) {
1574 device_printf(rdp->disks[disk].dev, "wipe metadata failed\n");
1575 error = EIO;
1576 }
1577 free(meta, M_AR);
1578 }
1579 }
1580 return error;
1581 }
1582
1583 /* Adaptec HostRAID Metadata */
1584 static int
1585 ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp)
1586 {
1587 struct ata_raid_subdisk *ars = device_get_softc(dev);
1588 device_t parent = device_get_parent(dev);
1589 struct adaptec_raid_conf *meta;
1590 struct ar_softc *raid;
1591 int array, disk, retval = 0;
1592
1593 if (!(meta = (struct adaptec_raid_conf *)
1594 malloc(sizeof(struct adaptec_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
1595 return ENOMEM;
1596
1597 if (ata_raid_rw(parent, ADP_LBA(parent),
1598 meta, sizeof(struct adaptec_raid_conf), ATA_R_READ)) {
1599 if (testing || bootverbose)
1600 device_printf(parent, "Adaptec read metadata failed\n");
1601 goto adaptec_out;
1602 }
1603
1604 /* check if this is a Adaptec RAID struct */
1605 if (meta->magic_0 != ADP_MAGIC_0 || meta->magic_3 != ADP_MAGIC_3) {
1606 if (testing || bootverbose)
1607 device_printf(parent, "Adaptec check1 failed\n");
1608 goto adaptec_out;
1609 }
1610
1611 if (testing || bootverbose)
1612 ata_raid_adaptec_print_meta(meta);
1613
1614 /* now convert Adaptec metadata into our generic form */
1615 for (array = 0; array < MAX_ARRAYS; array++) {
1616 if (!raidp[array]) {
1617 raidp[array] =
1618 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
1619 M_NOWAIT | M_ZERO);
1620 if (!raidp[array]) {
1621 device_printf(parent, "failed to allocate metadata storage\n");
1622 goto adaptec_out;
1623 }
1624 }
1625 raid = raidp[array];
1626 if (raid->format && (raid->format != AR_F_ADAPTEC_RAID))
1627 continue;
1628
1629 if (raid->magic_0 && raid->magic_0 != meta->configs[0].magic_0)
1630 continue;
1631
1632 if (!meta->generation || be32toh(meta->generation) > raid->generation) {
1633 switch (meta->configs[0].type) {
1634 case ADP_T_RAID0:
1635 raid->magic_0 = meta->configs[0].magic_0;
1636 raid->type = AR_T_RAID0;
1637 raid->interleave = 1 << (meta->configs[0].stripe_shift >> 1);
1638 raid->width = be16toh(meta->configs[0].total_disks);
1639 break;
1640
1641 case ADP_T_RAID1:
1642 raid->magic_0 = meta->configs[0].magic_0;
1643 raid->type = AR_T_RAID1;
1644 raid->width = be16toh(meta->configs[0].total_disks) / 2;
1645 break;
1646
1647 default:
1648 device_printf(parent, "Adaptec unknown RAID type 0x%02x\n",
1649 meta->configs[0].type);
1650 free(raidp[array], M_AR);
1651 raidp[array] = NULL;
1652 goto adaptec_out;
1653 }
1654
1655 raid->format = AR_F_ADAPTEC_RAID;
1656 raid->generation = be32toh(meta->generation);
1657 raid->total_disks = be16toh(meta->configs[0].total_disks);
1658 raid->total_sectors = be32toh(meta->configs[0].sectors);
1659 raid->heads = 255;
1660 raid->sectors = 63;
1661 raid->cylinders = raid->total_sectors / (63 * 255);
1662 raid->offset_sectors = 0;
1663 raid->rebuild_lba = 0;
1664 raid->lun = array;
1665 strncpy(raid->name, meta->configs[0].name,
1666 min(sizeof(raid->name), sizeof(meta->configs[0].name)));
1667
1668 /* clear out any old info */
1669 if (raid->generation) {
1670 for (disk = 0; disk < raid->total_disks; disk++) {
1671 raid->disks[disk].dev = NULL;
1672 raid->disks[disk].flags = 0;
1673 }
1674 }
1675 }
1676 if (be32toh(meta->generation) >= raid->generation) {
1677 struct ata_device *atadev = device_get_softc(parent);
1678 struct ata_channel *ch = device_get_softc(GRANDPARENT(dev));
1679 int disk_number =
1680 (ch->unit << !(ch->flags & ATA_NO_SLAVE)) + atadev->unit;
1681 raid->disks[disk_number].dev = parent;
1682 raid->disks[disk_number].sectors =
1683 be32toh(meta->configs[disk_number + 1].sectors);
1684 raid->disks[disk_number].flags =
1685 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
1686 ars->raid[raid->volume] = raid;
1687 ars->disk_number[raid->volume] = disk_number;
1688 retval = 1;
1689 }
1690 break;
1691 }
1692
1693 adaptec_out:
1694 free(meta, M_AR);
1695 return retval;
1696 }
1697
1698 static uint64_t
1699 ddfbe64toh(uint64_t val)
1700 {
1701 return (be64toh(val));
1702 }
1703
1704 static uint32_t
1705 ddfbe32toh(uint32_t val)
1706 {
1707 return (be32toh(val));
1708 }
1709
1710 static uint16_t
1711 ddfbe16toh(uint16_t val)
1712 {
1713 return (be16toh(val));
1714 }
1715
1716 static uint64_t
1717 ddfle64toh(uint64_t val)
1718 {
1719 return (le64toh(val));
1720 }
1721
1722 static uint32_t
1723 ddfle32toh(uint32_t val)
1724 {
1725 return (le32toh(val));
1726 }
1727
1728 static uint16_t
1729 ddfle16toh(uint16_t val)
1730 {
1731 return (le16toh(val));
1732 }
1733
1734 static int
1735 ata_raid_ddf_read_meta(device_t dev, struct ar_softc **raidp)
1736 {
1737 struct ata_raid_subdisk *ars;
1738 device_t parent = device_get_parent(dev);
1739 struct ddf_header *hdr;
1740 struct ddf_pd_record *pdr;
1741 struct ddf_pd_entry *pde = NULL;
1742 struct ddf_vd_record *vdr;
1743 struct ddf_pdd_record *pdd;
1744 struct ddf_sa_record *sa = NULL;
1745 struct ddf_vdc_record *vdcr = NULL;
1746 struct ddf_vd_entry *vde = NULL;
1747 struct ar_softc *raid;
1748 uint64_t pri_lba;
1749 uint32_t pd_ref, pd_pos;
1750 uint8_t *meta, *cr;
1751 int hdr_len, vd_state = 0, pd_state = 0;
1752 int i, disk, array, retval = 0;
1753 uintptr_t max_cr_addr;
1754 uint64_t (*ddf64toh)(uint64_t) = NULL;
1755 uint32_t (*ddf32toh)(uint32_t) = NULL;
1756 uint16_t (*ddf16toh)(uint16_t) = NULL;
1757
1758 ars = device_get_softc(dev);
1759 raid = NULL;
1760
1761 /* Read in the anchor header */
1762 if (!(meta = malloc(DDF_HEADER_LENGTH, M_AR, M_NOWAIT | M_ZERO)))
1763 return ENOMEM;
1764
1765 if (ata_raid_rw(parent, DDF_LBA(parent),
1766 meta, DDF_HEADER_LENGTH, ATA_R_READ)) {
1767 if (testing || bootverbose)
1768 device_printf(parent, "DDF read metadata failed\n");
1769 goto ddf_out;
1770 }
1771
1772 /*
1773 * Check if this is a DDF RAID struct. Note the apparent "flexibility"
1774 * regarding endianness.
1775 */
1776 hdr = (struct ddf_header *)meta;
1777 if (be32toh(hdr->Signature) == DDF_HEADER_SIGNATURE) {
1778 ddf64toh = ddfbe64toh;
1779 ddf32toh = ddfbe32toh;
1780 ddf16toh = ddfbe16toh;
1781 } else if (le32toh(hdr->Signature) == DDF_HEADER_SIGNATURE) {
1782 ddf64toh = ddfle64toh;
1783 ddf32toh = ddfle32toh;
1784 ddf16toh = ddfle16toh;
1785 } else
1786 goto ddf_out;
1787
1788 if (hdr->Header_Type != DDF_HEADER_ANCHOR) {
1789 if (testing || bootverbose)
1790 device_printf(parent, "DDF check1 failed\n");
1791 goto ddf_out;
1792 }
1793
1794 pri_lba = ddf64toh(hdr->Primary_Header_LBA);
1795 hdr_len = ddf32toh(hdr->cd_section) + ddf32toh(hdr->cd_length);
1796 hdr_len = max(hdr_len,ddf32toh(hdr->pdr_section)+ddf32toh(hdr->pdr_length));
1797 hdr_len = max(hdr_len,ddf32toh(hdr->vdr_section)+ddf32toh(hdr->vdr_length));
1798 hdr_len = max(hdr_len,ddf32toh(hdr->cr_section) +ddf32toh(hdr->cr_length));
1799 hdr_len = max(hdr_len,ddf32toh(hdr->pdd_section)+ddf32toh(hdr->pdd_length));
1800 if (testing || bootverbose)
1801 device_printf(parent, "DDF pri_lba= %llu length= %d blocks\n",
1802 (unsigned long long)pri_lba, hdr_len);
1803 if ((pri_lba + hdr_len) > DDF_LBA(parent)) {
1804 device_printf(parent, "DDF exceeds length of disk\n");
1805 goto ddf_out;
1806 }
1807
1808 /* Don't need the anchor anymore, read the rest of the metadata */
1809 free(meta, M_AR);
1810 if (!(meta = malloc(hdr_len * DEV_BSIZE, M_AR, M_NOWAIT | M_ZERO)))
1811 return ENOMEM;
1812
1813 if (ata_raid_rw(parent, pri_lba, meta, hdr_len * DEV_BSIZE, ATA_R_READ)) {
1814 if (testing || bootverbose)
1815 device_printf(parent, "DDF read full metadata failed\n");
1816 goto ddf_out;
1817 }
1818
1819 /* Check that we got a Primary Header */
1820 hdr = (struct ddf_header *)meta;
1821 if ((ddf32toh(hdr->Signature) != DDF_HEADER_SIGNATURE) ||
1822 (hdr->Header_Type != DDF_HEADER_PRIMARY)) {
1823 if (testing || bootverbose)
1824 device_printf(parent, "DDF check2 failed\n");
1825 goto ddf_out;
1826 }
1827
1828 if (testing || bootverbose)
1829 ata_raid_ddf_print_meta(meta);
1830
1831 if ((hdr->Open_Flag >= 0x01) && (hdr->Open_Flag <= 0x0f)) {
1832 device_printf(parent, "DDF Header open, possibly corrupt metadata\n");
1833 goto ddf_out;
1834 }
1835
1836 pdr = (struct ddf_pd_record*)(meta + ddf32toh(hdr->pdr_section)*DEV_BSIZE);
1837 vdr = (struct ddf_vd_record*)(meta + ddf32toh(hdr->vdr_section)*DEV_BSIZE);
1838 cr = (uint8_t *)(meta + ddf32toh(hdr->cr_section)*DEV_BSIZE);
1839 pdd = (struct ddf_pdd_record*)(meta + ddf32toh(hdr->pdd_section)*DEV_BSIZE);
1840
1841 /* Verify the Physical Disk Device Record */
1842 if (ddf32toh(pdd->Signature) != DDF_PDD_SIGNATURE) {
1843 device_printf(parent, "Invalid PD Signature\n");
1844 goto ddf_out;
1845 }
1846 pd_ref = ddf32toh(pdd->PD_Reference);
1847 pd_pos = -1;
1848
1849 /* Verify the Physical Disk Record and make sure the disk is usable */
1850 if (ddf32toh(pdr->Signature) != DDF_PDR_SIGNATURE) {
1851 device_printf(parent, "Invalid PDR Signature\n");
1852 goto ddf_out;
1853 }
1854 for (i = 0; i < ddf16toh(pdr->Populated_PDEs); i++) {
1855 if (ddf32toh(pdr->entry[i].PD_Reference) != pd_ref)
1856 continue;
1857 pde = &pdr->entry[i];
1858 pd_state = ddf16toh(pde->PD_State);
1859 }
1860 if ((pde == NULL) ||
1861 ((pd_state & DDF_PDE_ONLINE) == 0) ||
1862 (pd_state & (DDF_PDE_FAILED|DDF_PDE_MISSING|DDF_PDE_UNRECOVERED))) {
1863 device_printf(parent, "Physical disk not usable\n");
1864 goto ddf_out;
1865 }
1866
1867 /* Parse out the configuration record, look for spare and VD records.
1868 * While DDF supports a disk being part of more than one array, and
1869 * thus having more than one VDCR record, that feature is not supported
1870 * by ATA-RAID. Therefore, the first record found takes precedence.
1871 */
1872 max_cr_addr = (uintptr_t)cr + ddf32toh(hdr->cr_length) * DEV_BSIZE - 1;
1873 for ( ; (uintptr_t)cr < max_cr_addr;
1874 cr += ddf16toh(hdr->Configuration_Record_Length) * DEV_BSIZE) {
1875 switch (ddf32toh(((uint32_t *)cr)[0])) {
1876 case DDF_VDCR_SIGNATURE:
1877 vdcr = (struct ddf_vdc_record *)cr;
1878 goto cr_found;
1879 break;
1880 case DDF_VUCR_SIGNATURE:
1881 /* Don't care about this record */
1882 break;
1883 case DDF_SA_SIGNATURE:
1884 sa = (struct ddf_sa_record *)cr;
1885 goto cr_found;
1886 break;
1887 case DDF_CR_INVALID:
1888 /* A record was deliberately invalidated */
1889 break;
1890 default:
1891 device_printf(parent, "Invalid CR signature found\n");
1892 }
1893 }
1894 cr_found:
1895 if ((vdcr == NULL) /* && (sa == NULL) * Spares not supported yet */) {
1896 device_printf(parent, "No usable configuration record found\n");
1897 goto ddf_out;
1898 }
1899
1900 if (vdcr != NULL) {
1901 if (vdcr->Secondary_Element_Count != 1) {
1902 device_printf(parent, "Unsupported multi-level Virtual Disk\n");
1903 goto ddf_out;
1904 }
1905
1906 /* Find the Virtual Disk Entry for this array */
1907 if (ddf32toh(vdr->Signature) != DDF_VD_RECORD_SIGNATURE) {
1908 device_printf(parent, "Invalid VDR Signature\n");
1909 goto ddf_out;
1910 }
1911 for (i = 0; i < ddf16toh(vdr->Populated_VDEs); i++) {
1912 if (bcmp(vdr->entry[i].VD_GUID, vdcr->VD_GUID, 24))
1913 continue;
1914 vde = &vdr->entry[i];
1915 vd_state = vde->VD_State & DDF_VDE_STATE_MASK;
1916 }
1917 if ((vde == NULL) ||
1918 ((vd_state != DDF_VDE_OPTIMAL) && (vd_state != DDF_VDE_DEGRADED))) {
1919 device_printf(parent, "Unusable Virtual Disk\n");
1920 goto ddf_out;
1921 }
1922 for (i = 0; i < ddf16toh(hdr->Max_Primary_Element_Entries); i++) {
1923 uint32_t pd_tmp;
1924
1925 pd_tmp = ddf32toh(vdcr->Physical_Disk_Sequence[i]);
1926 if ((pd_tmp == 0x00000000) || (pd_tmp == 0xffffffff))
1927 continue;
1928 if (pd_tmp == pd_ref) {
1929 pd_pos = i;
1930 break;
1931 }
1932 }
1933 if (pd_pos == -1) {
1934 device_printf(parent, "Physical device not part of array\n");
1935 goto ddf_out;
1936 }
1937 }
1938
1939 /* now convert DDF metadata into our generic form */
1940 for (array = 0; array < MAX_ARRAYS; array++) {
1941 if (!raidp[array]) {
1942 raid = (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
1943 M_NOWAIT | M_ZERO);
1944 if (!raid) {
1945 device_printf(parent, "failed to allocate metadata storage\n");
1946 goto ddf_out;
1947 }
1948 } else
1949 raid = raidp[array];
1950
1951 if (raid->format && (raid->format != AR_F_DDF_RAID))
1952 continue;
1953
1954 if (raid->magic_0 && (raid->magic_0 != crc32(vde->VD_GUID, 24)))
1955 continue;
1956
1957 if (!raidp[array]) {
1958 raidp[array] = raid;
1959
1960 switch (vdcr->Primary_RAID_Level) {
1961 case DDF_VDCR_RAID0:
1962 raid->magic_0 = crc32(vde->VD_GUID, 24);
1963 raid->magic_1 = ddf16toh(vde->VD_Number);
1964 raid->type = AR_T_RAID0;
1965 raid->interleave = 1 << vdcr->Stripe_Size;
1966 raid->width = ddf16toh(vdcr->Primary_Element_Count);
1967 break;
1968
1969 case DDF_VDCR_RAID1:
1970 raid->magic_0 = crc32(vde->VD_GUID, 24);
1971 raid->magic_1 = ddf16toh(vde->VD_Number);
1972 raid->type = AR_T_RAID1;
1973 raid->width = 1;
1974 break;
1975
1976 default:
1977 device_printf(parent, "DDF unsupported RAID type 0x%02x\n",
1978 vdcr->Primary_RAID_Level);
1979 free(raidp[array], M_AR);
1980 raidp[array] = NULL;
1981 goto ddf_out;
1982 }
1983
1984 raid->format = AR_F_DDF_RAID;
1985 raid->generation = ddf32toh(vdcr->Sequence_Number);
1986 raid->total_disks = ddf16toh(vdcr->Primary_Element_Count);
1987 raid->total_sectors = ddf64toh(vdcr->VD_Size);
1988 raid->heads = 255;
1989 raid->sectors = 63;
1990 raid->cylinders = raid->total_sectors / (63 * 255);
1991 raid->offset_sectors = 0;
1992 raid->rebuild_lba = 0;
1993 raid->lun = array;
1994 strncpy(raid->name, vde->VD_Name,
1995 min(sizeof(raid->name), sizeof(vde->VD_Name)));
1996
1997 /* clear out any old info */
1998 if (raid->generation) {
1999 for (disk = 0; disk < raid->total_disks; disk++) {
2000 raid->disks[disk].dev = NULL;
2001 raid->disks[disk].flags = 0;
2002 }
2003 }
2004 }
2005 if (ddf32toh(vdcr->Sequence_Number) >= raid->generation) {
2006 int disk_number = pd_pos;
2007
2008 raid->disks[disk_number].dev = parent;
2009
2010 /* Adaptec appears to not set vdcr->Block_Count, yet again in
2011 * gross violation of the spec.
2012 */
2013 raid->disks[disk_number].sectors = ddf64toh(vdcr->Block_Count);
2014 if (raid->disks[disk_number].sectors == 0)
2015 raid->disks[disk_number].sectors=ddf64toh(pde->Configured_Size);
2016 raid->disks[disk_number].flags =
2017 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
2018 ars->raid[raid->volume] = raid;
2019 ars->disk_number[raid->volume] = disk_number;
2020 retval = 1;
2021 }
2022 break;
2023 }
2024
2025 ddf_out:
2026 free(meta, M_AR);
2027 return retval;
2028 }
2029
2030 /* Highpoint V2 RocketRAID Metadata */
2031 static int
2032 ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp)
2033 {
2034 struct ata_raid_subdisk *ars = device_get_softc(dev);
2035 device_t parent = device_get_parent(dev);
2036 struct hptv2_raid_conf *meta;
2037 struct ar_softc *raid = NULL;
2038 int array, disk_number = 0, retval = 0;
2039
2040 if (!(meta = (struct hptv2_raid_conf *)
2041 malloc(sizeof(struct hptv2_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
2042 return ENOMEM;
2043
2044 if (ata_raid_rw(parent, HPTV2_LBA(parent),
2045 meta, sizeof(struct hptv2_raid_conf), ATA_R_READ)) {
2046 if (testing || bootverbose)
2047 device_printf(parent, "HighPoint (v2) read metadata failed\n");
2048 goto hptv2_out;
2049 }
2050
2051 /* check if this is a HighPoint v2 RAID struct */
2052 if (meta->magic != HPTV2_MAGIC_OK && meta->magic != HPTV2_MAGIC_BAD) {
2053 if (testing || bootverbose)
2054 device_printf(parent, "HighPoint (v2) check1 failed\n");
2055 goto hptv2_out;
2056 }
2057
2058 /* is this disk defined, or an old leftover/spare ? */
2059 if (!meta->magic_0) {
2060 if (testing || bootverbose)
2061 device_printf(parent, "HighPoint (v2) check2 failed\n");
2062 goto hptv2_out;
2063 }
2064
2065 if (testing || bootverbose)
2066 ata_raid_hptv2_print_meta(meta);
2067
2068 /* now convert HighPoint (v2) metadata into our generic form */
2069 for (array = 0; array < MAX_ARRAYS; array++) {
2070 if (!raidp[array]) {
2071 raidp[array] =
2072 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
2073 M_NOWAIT | M_ZERO);
2074 if (!raidp[array]) {
2075 device_printf(parent, "failed to allocate metadata storage\n");
2076 goto hptv2_out;
2077 }
2078 }
2079 raid = raidp[array];
2080 if (raid->format && (raid->format != AR_F_HPTV2_RAID))
2081 continue;
2082
2083 switch (meta->type) {
2084 case HPTV2_T_RAID0:
2085 if ((meta->order & (HPTV2_O_RAID0|HPTV2_O_OK)) ==
2086 (HPTV2_O_RAID0|HPTV2_O_OK))
2087 goto highpoint_raid1;
2088 if (meta->order & (HPTV2_O_RAID0 | HPTV2_O_RAID1))
2089 goto highpoint_raid01;
2090 if (raid->magic_0 && raid->magic_0 != meta->magic_0)
2091 continue;
2092 raid->magic_0 = meta->magic_0;
2093 raid->type = AR_T_RAID0;
2094 raid->interleave = 1 << meta->stripe_shift;
2095 disk_number = meta->disk_number;
2096 if (!(meta->order & HPTV2_O_OK))
2097 meta->magic = 0; /* mark bad */
2098 break;
2099
2100 case HPTV2_T_RAID1:
2101 highpoint_raid1:
2102 if (raid->magic_0 && raid->magic_0 != meta->magic_0)
2103 continue;
2104 raid->magic_0 = meta->magic_0;
2105 raid->type = AR_T_RAID1;
2106 disk_number = (meta->disk_number > 0);
2107 break;
2108
2109 case HPTV2_T_RAID01_RAID0:
2110 highpoint_raid01:
2111 if (meta->order & HPTV2_O_RAID0) {
2112 if ((raid->magic_0 && raid->magic_0 != meta->magic_0) ||
2113 (raid->magic_1 && raid->magic_1 != meta->magic_1))
2114 continue;
2115 raid->magic_0 = meta->magic_0;
2116 raid->magic_1 = meta->magic_1;
2117 raid->type = AR_T_RAID01;
2118 raid->interleave = 1 << meta->stripe_shift;
2119 disk_number = meta->disk_number;
2120 }
2121 else {
2122 if (raid->magic_1 && raid->magic_1 != meta->magic_1)
2123 continue;
2124 raid->magic_1 = meta->magic_1;
2125 raid->type = AR_T_RAID01;
2126 raid->interleave = 1 << meta->stripe_shift;
2127 disk_number = meta->disk_number + meta->array_width;
2128 if (!(meta->order & HPTV2_O_RAID1))
2129 meta->magic = 0; /* mark bad */
2130 }
2131 break;
2132
2133 case HPTV2_T_SPAN:
2134 if (raid->magic_0 && raid->magic_0 != meta->magic_0)
2135 continue;
2136 raid->magic_0 = meta->magic_0;
2137 raid->type = AR_T_SPAN;
2138 disk_number = meta->disk_number;
2139 break;
2140
2141 default:
2142 device_printf(parent, "Highpoint (v2) unknown RAID type 0x%02x\n",
2143 meta->type);
2144 free(raidp[array], M_AR);
2145 raidp[array] = NULL;
2146 goto hptv2_out;
2147 }
2148
2149 raid->format |= AR_F_HPTV2_RAID;
2150 raid->disks[disk_number].dev = parent;
2151 raid->disks[disk_number].flags = (AR_DF_PRESENT | AR_DF_ASSIGNED);
2152 raid->lun = array;
2153 strncpy(raid->name, meta->name_1,
2154 min(sizeof(raid->name), sizeof(meta->name_1)));
2155 if (meta->magic == HPTV2_MAGIC_OK) {
2156 raid->disks[disk_number].flags |= AR_DF_ONLINE;
2157 raid->width = meta->array_width;
2158 raid->total_sectors = meta->total_sectors;
2159 raid->heads = 255;
2160 raid->sectors = 63;
2161 raid->cylinders = raid->total_sectors / (63 * 255);
2162 raid->offset_sectors = HPTV2_LBA(parent) + 1;
2163 raid->rebuild_lba = meta->rebuild_lba;
2164 raid->disks[disk_number].sectors =
2165 raid->total_sectors / raid->width;
2166 }
2167 else
2168 raid->disks[disk_number].flags &= ~AR_DF_ONLINE;
2169
2170 if ((raid->type & AR_T_RAID0) && (raid->total_disks < raid->width))
2171 raid->total_disks = raid->width;
2172 if (disk_number >= raid->total_disks)
2173 raid->total_disks = disk_number + 1;
2174 ars->raid[raid->volume] = raid;
2175 ars->disk_number[raid->volume] = disk_number;
2176 retval = 1;
2177 break;
2178 }
2179
2180 hptv2_out:
2181 free(meta, M_AR);
2182 return retval;
2183 }
2184
2185 static int
2186 ata_raid_hptv2_write_meta(struct ar_softc *rdp)
2187 {
2188 struct hptv2_raid_conf *meta;
2189 struct timeval timestamp;
2190 int disk, error = 0;
2191
2192 if (!(meta = (struct hptv2_raid_conf *)
2193 malloc(sizeof(struct hptv2_raid_conf), M_AR, M_NOWAIT | M_ZERO))) {
2194 printf("ar%d: failed to allocate metadata storage\n", rdp->lun);
2195 return ENOMEM;
2196 }
2197
2198 microtime(×tamp);
2199 rdp->magic_0 = timestamp.tv_sec + 2;
2200 rdp->magic_1 = timestamp.tv_sec;
2201
2202 for (disk = 0; disk < rdp->total_disks; disk++) {
2203 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) ==
2204 (AR_DF_PRESENT | AR_DF_ONLINE))
2205 meta->magic = HPTV2_MAGIC_OK;
2206 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) {
2207 meta->magic_0 = rdp->magic_0;
2208 if (strlen(rdp->name))
2209 strncpy(meta->name_1, rdp->name, sizeof(meta->name_1));
2210 else
2211 strcpy(meta->name_1, "FreeBSD");
2212 }
2213 meta->disk_number = disk;
2214
2215 switch (rdp->type) {
2216 case AR_T_RAID0:
2217 meta->type = HPTV2_T_RAID0;
2218 strcpy(meta->name_2, "RAID 0");
2219 if (rdp->disks[disk].flags & AR_DF_ONLINE)
2220 meta->order = HPTV2_O_OK;
2221 break;
2222
2223 case AR_T_RAID1:
2224 meta->type = HPTV2_T_RAID0;
2225 strcpy(meta->name_2, "RAID 1");
2226 meta->disk_number = (disk < rdp->width) ? disk : disk + 5;
2227 meta->order = HPTV2_O_RAID0 | HPTV2_O_OK;
2228 break;
2229
2230 case AR_T_RAID01:
2231 meta->type = HPTV2_T_RAID01_RAID0;
2232 strcpy(meta->name_2, "RAID 0+1");
2233 if (rdp->disks[disk].flags & AR_DF_ONLINE) {
2234 if (disk < rdp->width) {
2235 meta->order = (HPTV2_O_RAID0 | HPTV2_O_RAID1);
2236 meta->magic_0 = rdp->magic_0 - 1;
2237 }
2238 else {
2239 meta->order = HPTV2_O_RAID1;
2240 meta->disk_number -= rdp->width;
2241 }
2242 }
2243 else
2244 meta->magic_0 = rdp->magic_0 - 1;
2245 meta->magic_1 = rdp->magic_1;
2246 break;
2247
2248 case AR_T_SPAN:
2249 meta->type = HPTV2_T_SPAN;
2250 strcpy(meta->name_2, "SPAN");
2251 break;
2252 default:
2253 free(meta, M_AR);
2254 return ENODEV;
2255 }
2256
2257 meta->array_width = rdp->width;
2258 meta->stripe_shift = (rdp->width > 1) ? (ffs(rdp->interleave)-1) : 0;
2259 meta->total_sectors = rdp->total_sectors;
2260 meta->rebuild_lba = rdp->rebuild_lba;
2261 if (testing || bootverbose)
2262 ata_raid_hptv2_print_meta(meta);
2263 if (rdp->disks[disk].dev) {
2264 if (ata_raid_rw(rdp->disks[disk].dev,
2265 HPTV2_LBA(rdp->disks[disk].dev), meta,
2266 sizeof(struct promise_raid_conf),
2267 ATA_R_WRITE | ATA_R_DIRECT)) {
2268 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
2269 error = EIO;
2270 }
2271 }
2272 }
2273 free(meta, M_AR);
2274 return error;
2275 }
2276
2277 /* Highpoint V3 RocketRAID Metadata */
2278 static int
2279 ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp)
2280 {
2281 struct ata_raid_subdisk *ars = device_get_softc(dev);
2282 device_t parent = device_get_parent(dev);
2283 struct hptv3_raid_conf *meta;
2284 struct ar_softc *raid = NULL;
2285 int array, disk_number, retval = 0;
2286
2287 if (!(meta = (struct hptv3_raid_conf *)
2288 malloc(sizeof(struct hptv3_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
2289 return ENOMEM;
2290
2291 if (ata_raid_rw(parent, HPTV3_LBA(parent),
2292 meta, sizeof(struct hptv3_raid_conf), ATA_R_READ)) {
2293 if (testing || bootverbose)
2294 device_printf(parent, "HighPoint (v3) read metadata failed\n");
2295 goto hptv3_out;
2296 }
2297
2298 /* check if this is a HighPoint v3 RAID struct */
2299 if (meta->magic != HPTV3_MAGIC) {
2300 if (testing || bootverbose)
2301 device_printf(parent, "HighPoint (v3) check1 failed\n");
2302 goto hptv3_out;
2303 }
2304
2305 /* check if there are any config_entries */
2306 if (meta->config_entries < 1) {
2307 if (testing || bootverbose)
2308 device_printf(parent, "HighPoint (v3) check2 failed\n");
2309 goto hptv3_out;
2310 }
2311
2312 if (testing || bootverbose)
2313 ata_raid_hptv3_print_meta(meta);
2314
2315 /* now convert HighPoint (v3) metadata into our generic form */
2316 for (array = 0; array < MAX_ARRAYS; array++) {
2317 if (!raidp[array]) {
2318 raidp[array] =
2319 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
2320 M_NOWAIT | M_ZERO);
2321 if (!raidp[array]) {
2322 device_printf(parent, "failed to allocate metadata storage\n");
2323 goto hptv3_out;
2324 }
2325 }
2326 raid = raidp[array];
2327 if (raid->format && (raid->format != AR_F_HPTV3_RAID))
2328 continue;
2329
2330 if ((raid->format & AR_F_HPTV3_RAID) && raid->magic_0 != meta->magic_0)
2331 continue;
2332
2333 switch (meta->configs[0].type) {
2334 case HPTV3_T_RAID0:
2335 raid->type = AR_T_RAID0;
2336 raid->width = meta->configs[0].total_disks;
2337 disk_number = meta->configs[0].disk_number;
2338 break;
2339
2340 case HPTV3_T_RAID1:
2341 raid->type = AR_T_RAID1;
2342 raid->width = meta->configs[0].total_disks / 2;
2343 disk_number = meta->configs[0].disk_number;
2344 break;
2345
2346 case HPTV3_T_RAID5:
2347 raid->type = AR_T_RAID5;
2348 raid->width = meta->configs[0].total_disks;
2349 disk_number = meta->configs[0].disk_number;
2350 break;
2351
2352 case HPTV3_T_SPAN:
2353 raid->type = AR_T_SPAN;
2354 raid->width = meta->configs[0].total_disks;
2355 disk_number = meta->configs[0].disk_number;
2356 break;
2357
2358 default:
2359 device_printf(parent, "Highpoint (v3) unknown RAID type 0x%02x\n",
2360 meta->configs[0].type);
2361 free(raidp[array], M_AR);
2362 raidp[array] = NULL;
2363 goto hptv3_out;
2364 }
2365 if (meta->config_entries == 2) {
2366 switch (meta->configs[1].type) {
2367 case HPTV3_T_RAID1:
2368 if (raid->type == AR_T_RAID0) {
2369 raid->type = AR_T_RAID01;
2370 disk_number = meta->configs[1].disk_number +
2371 (meta->configs[0].disk_number << 1);
2372 break;
2373 }
2374 default:
2375 device_printf(parent, "Highpoint (v3) unknown level 2 0x%02x\n",
2376 meta->configs[1].type);
2377 free(raidp[array], M_AR);
2378 raidp[array] = NULL;
2379 goto hptv3_out;
2380 }
2381 }
2382
2383 raid->magic_0 = meta->magic_0;
2384 raid->format = AR_F_HPTV3_RAID;
2385 raid->generation = meta->timestamp;
2386 raid->interleave = 1 << meta->configs[0].stripe_shift;
2387 raid->total_disks = meta->configs[0].total_disks +
2388 meta->configs[1].total_disks;
2389 raid->total_sectors = meta->configs[0].total_sectors +
2390 ((u_int64_t)meta->configs_high[0].total_sectors << 32);
2391 raid->heads = 255;
2392 raid->sectors = 63;
2393 raid->cylinders = raid->total_sectors / (63 * 255);
2394 raid->offset_sectors = 0;
2395 raid->rebuild_lba = meta->configs[0].rebuild_lba +
2396 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32);
2397 raid->lun = array;
2398 strncpy(raid->name, meta->name,
2399 min(sizeof(raid->name), sizeof(meta->name)));
2400 raid->disks[disk_number].sectors = raid->total_sectors /
2401 (raid->type == AR_T_RAID5 ? raid->width - 1 : raid->width);
2402 raid->disks[disk_number].dev = parent;
2403 raid->disks[disk_number].flags =
2404 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
2405 ars->raid[raid->volume] = raid;
2406 ars->disk_number[raid->volume] = disk_number;
2407 retval = 1;
2408 break;
2409 }
2410
2411 hptv3_out:
2412 free(meta, M_AR);
2413 return retval;
2414 }
2415
2416 /* Intel MatrixRAID Metadata */
2417 static int
2418 ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp)
2419 {
2420 struct ata_raid_subdisk *ars = device_get_softc(dev);
2421 device_t parent = device_get_parent(dev);
2422 struct intel_raid_conf *meta;
2423 struct intel_raid_mapping *map;
2424 struct ar_softc *raid = NULL;
2425 u_int32_t checksum, *ptr;
2426 int array, count, disk, volume = 1, retval = 0;
2427 char *tmp;
2428
2429 if (!(meta = (struct intel_raid_conf *)
2430 malloc(1536, M_AR, M_NOWAIT | M_ZERO)))
2431 return ENOMEM;
2432
2433 if (ata_raid_rw(parent, INTEL_LBA(parent), meta, 1024, ATA_R_READ)) {
2434 if (testing || bootverbose)
2435 device_printf(parent, "Intel read metadata failed\n");
2436 goto intel_out;
2437 }
2438 tmp = (char *)meta;
2439 bcopy(tmp, tmp+1024, 512);
2440 bcopy(tmp+512, tmp, 1024);
2441 bzero(tmp+1024, 512);
2442
2443 /* check if this is a Intel RAID struct */
2444 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) {
2445 if (testing || bootverbose)
2446 device_printf(parent, "Intel check1 failed\n");
2447 goto intel_out;
2448 }
2449
2450 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0;
2451 count < (meta->config_size / sizeof(u_int32_t)); count++) {
2452 checksum += *ptr++;
2453 }
2454 checksum -= meta->checksum;
2455 if (checksum != meta->checksum) {
2456 if (testing || bootverbose)
2457 device_printf(parent, "Intel check2 failed\n");
2458 goto intel_out;
2459 }
2460
2461 if (testing || bootverbose)
2462 ata_raid_intel_print_meta(meta);
2463
2464 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks];
2465
2466 /* now convert Intel metadata into our generic form */
2467 for (array = 0; array < MAX_ARRAYS; array++) {
2468 if (!raidp[array]) {
2469 raidp[array] =
2470 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
2471 M_NOWAIT | M_ZERO);
2472 if (!raidp[array]) {
2473 device_printf(parent, "failed to allocate metadata storage\n");
2474 goto intel_out;
2475 }
2476 }
2477 raid = raidp[array];
2478 if (raid->format && (raid->format != AR_F_INTEL_RAID))
2479 continue;
2480
2481 if ((raid->format & AR_F_INTEL_RAID) &&
2482 (raid->magic_0 != meta->config_id))
2483 continue;
2484
2485 /*
2486 * update our knowledge about the array config based on generation
2487 * NOTE: there can be multiple volumes on a disk set
2488 */
2489 if (!meta->generation || meta->generation > raid->generation) {
2490 switch (map->type) {
2491 case INTEL_T_RAID0:
2492 raid->type = AR_T_RAID0;
2493 raid->width = map->total_disks;
2494 break;
2495
2496 case INTEL_T_RAID1:
2497 if (map->total_disks == 4)
2498 raid->type = AR_T_RAID01;
2499 else
2500 raid->type = AR_T_RAID1;
2501 raid->width = map->total_disks / 2;
2502 break;
2503
2504 case INTEL_T_RAID5:
2505 raid->type = AR_T_RAID5;
2506 raid->width = map->total_disks;
2507 break;
2508
2509 default:
2510 device_printf(parent, "Intel unknown RAID type 0x%02x\n",
2511 map->type);
2512 free(raidp[array], M_AR);
2513 raidp[array] = NULL;
2514 goto intel_out;
2515 }
2516
2517 switch (map->status) {
2518 case INTEL_S_READY:
2519 raid->status = AR_S_READY;
2520 break;
2521 case INTEL_S_DEGRADED:
2522 raid->status |= AR_S_DEGRADED;
2523 break;
2524 case INTEL_S_DISABLED:
2525 case INTEL_S_FAILURE:
2526 raid->status = 0;
2527 }
2528
2529 raid->magic_0 = meta->config_id;
2530 raid->format = AR_F_INTEL_RAID;
2531 raid->generation = meta->generation;
2532 raid->interleave = map->stripe_sectors;
2533 raid->total_disks = map->total_disks;
2534 raid->total_sectors = map->total_sectors;
2535 raid->heads = 255;
2536 raid->sectors = 63;
2537 raid->cylinders = raid->total_sectors / (63 * 255);
2538 raid->offset_sectors = map->offset;
2539 raid->rebuild_lba = 0;
2540 raid->lun = array;
2541 raid->volume = volume - 1;
2542 strncpy(raid->name, map->name,
2543 min(sizeof(raid->name), sizeof(map->name)));
2544
2545 /* clear out any old info */
2546 for (disk = 0; disk < raid->total_disks; disk++) {
2547 raid->disks[disk].dev = NULL;
2548 bcopy(meta->disk[map->disk_idx[disk]].serial,
2549 raid->disks[disk].serial,
2550 sizeof(raid->disks[disk].serial));
2551 raid->disks[disk].sectors =
2552 meta->disk[map->disk_idx[disk]].sectors;
2553 raid->disks[disk].flags = 0;
2554 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_ONLINE)
2555 raid->disks[disk].flags |= AR_DF_ONLINE;
2556 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_ASSIGNED)
2557 raid->disks[disk].flags |= AR_DF_ASSIGNED;
2558 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_SPARE) {
2559 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED);
2560 raid->disks[disk].flags |= AR_DF_SPARE;
2561 }
2562 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_DOWN)
2563 raid->disks[disk].flags &= ~AR_DF_ONLINE;
2564 }
2565 }
2566 if (meta->generation >= raid->generation) {
2567 for (disk = 0; disk < raid->total_disks; disk++) {
2568 struct ata_device *atadev = device_get_softc(parent);
2569
2570 if (!strncmp(raid->disks[disk].serial, atadev->param.serial,
2571 sizeof(raid->disks[disk].serial))) {
2572 raid->disks[disk].dev = parent;
2573 raid->disks[disk].flags |= (AR_DF_PRESENT | AR_DF_ONLINE);
2574 ars->raid[raid->volume] = raid;
2575 ars->disk_number[raid->volume] = disk;
2576 retval = 1;
2577 }
2578 }
2579 }
2580 else
2581 goto intel_out;
2582
2583 if (retval) {
2584 if (volume < meta->total_volumes) {
2585 map = (struct intel_raid_mapping *)
2586 &map->disk_idx[map->total_disks];
2587 volume++;
2588 retval = 0;
2589 continue;
2590 }
2591 break;
2592 }
2593 else {
2594 free(raidp[array], M_AR);
2595 raidp[array] = NULL;
2596 if (volume == 2)
2597 retval = 1;
2598 }
2599 }
2600
2601 intel_out:
2602 free(meta, M_AR);
2603 return retval;
2604 }
2605
2606 static int
2607 ata_raid_intel_write_meta(struct ar_softc *rdp)
2608 {
2609 struct intel_raid_conf *meta;
2610 struct intel_raid_mapping *map;
2611 struct timeval timestamp;
2612 u_int32_t checksum, *ptr;
2613 int count, disk, error = 0;
2614 char *tmp;
2615
2616 if (!(meta = (struct intel_raid_conf *)
2617 malloc(1536, M_AR, M_NOWAIT | M_ZERO))) {
2618 printf("ar%d: failed to allocate metadata storage\n", rdp->lun);
2619 return ENOMEM;
2620 }
2621
2622 rdp->generation++;
2623 if (!rdp->magic_0) {
2624 microtime(×tamp);
2625 rdp->magic_0 = timestamp.tv_sec ^ timestamp.tv_usec;
2626 }
2627
2628 bcopy(INTEL_MAGIC, meta->intel_id, sizeof(meta->intel_id));
2629 bcopy(INTEL_VERSION_1100, meta->version, sizeof(meta->version));
2630 meta->config_id = rdp->magic_0;
2631 meta->generation = rdp->generation;
2632 meta->total_disks = rdp->total_disks;
2633 meta->total_volumes = 1; /* XXX SOS */
2634 for (disk = 0; disk < rdp->total_disks; disk++) {
2635 if (rdp->disks[disk].dev) {
2636 struct ata_channel *ch =
2637 device_get_softc(device_get_parent(rdp->disks[disk].dev));
2638 struct ata_device *atadev =
2639 device_get_softc(rdp->disks[disk].dev);
2640
2641 bcopy(atadev->param.serial, meta->disk[disk].serial,
2642 sizeof(rdp->disks[disk].serial));
2643 meta->disk[disk].sectors = rdp->disks[disk].sectors;
2644 meta->disk[disk].id = (ch->unit << 16) | atadev->unit;
2645 }
2646 else
2647 meta->disk[disk].sectors = rdp->total_sectors / rdp->width;
2648 meta->disk[disk].flags = 0;
2649 if (rdp->disks[disk].flags & AR_DF_SPARE)
2650 meta->disk[disk].flags |= INTEL_F_SPARE;
2651 else {
2652 if (rdp->disks[disk].flags & AR_DF_ONLINE)
2653 meta->disk[disk].flags |= INTEL_F_ONLINE;
2654 else
2655 meta->disk[disk].flags |= INTEL_F_DOWN;
2656 if (rdp->disks[disk].flags & AR_DF_ASSIGNED)
2657 meta->disk[disk].flags |= INTEL_F_ASSIGNED;
2658 }
2659 }
2660 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks];
2661
2662 bcopy(rdp->name, map->name, sizeof(rdp->name));
2663 map->total_sectors = rdp->total_sectors;
2664 map->state = 12; /* XXX SOS */
2665 map->offset = rdp->offset_sectors;
2666 map->stripe_count = rdp->total_sectors / (rdp->interleave*rdp->total_disks);
2667 map->stripe_sectors = rdp->interleave;
2668 map->disk_sectors = rdp->total_sectors / rdp->width;
2669 map->status = INTEL_S_READY; /* XXX SOS */
2670 switch (rdp->type) {
2671 case AR_T_RAID0:
2672 map->type = INTEL_T_RAID0;
2673 break;
2674 case AR_T_RAID1:
2675 map->type = INTEL_T_RAID1;
2676 break;
2677 case AR_T_RAID01:
2678 map->type = INTEL_T_RAID1;
2679 break;
2680 case AR_T_RAID5:
2681 map->type = INTEL_T_RAID5;
2682 break;
2683 default:
2684 free(meta, M_AR);
2685 return ENODEV;
2686 }
2687 map->total_disks = rdp->total_disks;
2688 map->magic[0] = 0x02;
2689 map->magic[1] = 0xff;
2690 map->magic[2] = 0x01;
2691 for (disk = 0; disk < rdp->total_disks; disk++)
2692 map->disk_idx[disk] = disk;
2693
2694 meta->config_size = (char *)&map->disk_idx[disk] - (char *)meta;
2695 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0;
2696 count < (meta->config_size / sizeof(u_int32_t)); count++) {
2697 checksum += *ptr++;
2698 }
2699 meta->checksum = checksum;
2700
2701 if (testing || bootverbose)
2702 ata_raid_intel_print_meta(meta);
2703
2704 tmp = (char *)meta;
2705 bcopy(tmp, tmp+1024, 512);
2706 bcopy(tmp+512, tmp, 1024);
2707 bzero(tmp+1024, 512);
2708
2709 for (disk = 0; disk < rdp->total_disks; disk++) {
2710 if (rdp->disks[disk].dev) {
2711 if (ata_raid_rw(rdp->disks[disk].dev,
2712 INTEL_LBA(rdp->disks[disk].dev),
2713 meta, 1024, ATA_R_WRITE | ATA_R_DIRECT)) {
2714 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
2715 error = EIO;
2716 }
2717 }
2718 }
2719 free(meta, M_AR);
2720 return error;
2721 }
2722
2723
2724 /* Integrated Technology Express Metadata */
2725 static int
2726 ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp)
2727 {
2728 struct ata_raid_subdisk *ars = device_get_softc(dev);
2729 device_t parent = device_get_parent(dev);
2730 struct ite_raid_conf *meta;
2731 struct ar_softc *raid = NULL;
2732 int array, disk_number, count, retval = 0;
2733 u_int16_t *ptr;
2734
2735 if (!(meta = (struct ite_raid_conf *)
2736 malloc(sizeof(struct ite_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
2737 return ENOMEM;
2738
2739 if (ata_raid_rw(parent, ITE_LBA(parent),
2740 meta, sizeof(struct ite_raid_conf), ATA_R_READ)) {
2741 if (testing || bootverbose)
2742 device_printf(parent, "ITE read metadata failed\n");
2743 goto ite_out;
2744 }
2745
2746 /* check if this is a ITE RAID struct */
2747 for (ptr = (u_int16_t *)meta->ite_id, count = 0;
2748 count < sizeof(meta->ite_id)/sizeof(uint16_t); count++)
2749 ptr[count] = be16toh(ptr[count]);
2750
2751 if (strncmp(meta->ite_id, ITE_MAGIC, strlen(ITE_MAGIC))) {
2752 if (testing || bootverbose)
2753 device_printf(parent, "ITE check1 failed\n");
2754 goto ite_out;
2755 }
2756
2757 if (testing || bootverbose)
2758 ata_raid_ite_print_meta(meta);
2759
2760 /* now convert ITE metadata into our generic form */
2761 for (array = 0; array < MAX_ARRAYS; array++) {
2762 if ((raid = raidp[array])) {
2763 if (raid->format != AR_F_ITE_RAID)
2764 continue;
2765 if (raid->magic_0 != *((u_int64_t *)meta->timestamp_0))
2766 continue;
2767 }
2768
2769 /* if we dont have a disks timestamp the RAID is invalidated */
2770 if (*((u_int64_t *)meta->timestamp_1) == 0)
2771 goto ite_out;
2772
2773 if (!raid) {
2774 raidp[array] = (struct ar_softc *)malloc(sizeof(struct ar_softc),
2775 M_AR, M_NOWAIT | M_ZERO);
2776 if (!(raid = raidp[array])) {
2777 device_printf(parent, "failed to allocate metadata storage\n");
2778 goto ite_out;
2779 }
2780 }
2781
2782 switch (meta->type) {
2783 case ITE_T_RAID0:
2784 raid->type = AR_T_RAID0;
2785 raid->width = meta->array_width;
2786 raid->total_disks = meta->array_width;
2787 disk_number = meta->disk_number;
2788 break;
2789
2790 case ITE_T_RAID1:
2791 raid->type = AR_T_RAID1;
2792 raid->width = 1;
2793 raid->total_disks = 2;
2794 disk_number = meta->disk_number;
2795 break;
2796
2797 case ITE_T_RAID01:
2798 raid->type = AR_T_RAID01;
2799 raid->width = meta->array_width;
2800 raid->total_disks = 4;
2801 disk_number = ((meta->disk_number & 0x02) >> 1) |
2802 ((meta->disk_number & 0x01) << 1);
2803 break;
2804
2805 case ITE_T_SPAN:
2806 raid->type = AR_T_SPAN;
2807 raid->width = 1;
2808 raid->total_disks = meta->array_width;
2809 disk_number = meta->disk_number;
2810 break;
2811
2812 default:
2813 device_printf(parent, "ITE unknown RAID type 0x%02x\n", meta->type);
2814 free(raidp[array], M_AR);
2815 raidp[array] = NULL;
2816 goto ite_out;
2817 }
2818
2819 raid->magic_0 = *((u_int64_t *)meta->timestamp_0);
2820 raid->format = AR_F_ITE_RAID;
2821 raid->generation = 0;
2822 raid->interleave = meta->stripe_sectors;
2823 raid->total_sectors = meta->total_sectors;
2824 raid->heads = 255;
2825 raid->sectors = 63;
2826 raid->cylinders = raid->total_sectors / (63 * 255);
2827 raid->offset_sectors = 0;
2828 raid->rebuild_lba = 0;
2829 raid->lun = array;
2830
2831 raid->disks[disk_number].dev = parent;
2832 raid->disks[disk_number].sectors = raid->total_sectors / raid->width;
2833 raid->disks[disk_number].flags =
2834 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
2835 ars->raid[raid->volume] = raid;
2836 ars->disk_number[raid->volume] = disk_number;
2837 retval = 1;
2838 break;
2839 }
2840 ite_out:
2841 free(meta, M_AR);
2842 return retval;
2843 }
2844
2845 /* JMicron Technology Corp Metadata */
2846 static int
2847 ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp)
2848 {
2849 struct ata_raid_subdisk *ars = device_get_softc(dev);
2850 device_t parent = device_get_parent(dev);
2851 struct jmicron_raid_conf *meta;
2852 struct ar_softc *raid = NULL;
2853 u_int16_t checksum, *ptr;
2854 u_int64_t disk_size;
2855 int count, array, disk, total_disks, retval = 0;
2856
2857 if (!(meta = (struct jmicron_raid_conf *)
2858 malloc(sizeof(struct jmicron_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
2859 return ENOMEM;
2860
2861 if (ata_raid_rw(parent, JMICRON_LBA(parent),
2862 meta, sizeof(struct jmicron_raid_conf), ATA_R_READ)) {
2863 if (testing || bootverbose)
2864 device_printf(parent,
2865 "JMicron read metadata failed\n");
2866 }
2867
2868 /* check for JMicron signature */
2869 if (strncmp(meta->signature, JMICRON_MAGIC, 2)) {
2870 if (testing || bootverbose)
2871 device_printf(parent, "JMicron check1 failed\n");
2872 goto jmicron_out;
2873 }
2874
2875 /* calculate checksum and compare for valid */
2876 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 64; count++)
2877 checksum += *ptr++;
2878 if (checksum) {
2879 if (testing || bootverbose)
2880 device_printf(parent, "JMicron check2 failed\n");
2881 goto jmicron_out;
2882 }
2883
2884 if (testing || bootverbose)
2885 ata_raid_jmicron_print_meta(meta);
2886
2887 /* now convert JMicron meta into our generic form */
2888 for (array = 0; array < MAX_ARRAYS; array++) {
2889 jmicron_next:
2890 if (!raidp[array]) {
2891 raidp[array] =
2892 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
2893 M_NOWAIT | M_ZERO);
2894 if (!raidp[array]) {
2895 device_printf(parent, "failed to allocate metadata storage\n");
2896 goto jmicron_out;
2897 }
2898 }
2899 raid = raidp[array];
2900 if (raid->format && (raid->format != AR_F_JMICRON_RAID))
2901 continue;
2902
2903 for (total_disks = 0, disk = 0; disk < JM_MAX_DISKS; disk++) {
2904 if (meta->disks[disk]) {
2905 if (raid->format == AR_F_JMICRON_RAID) {
2906 if (bcmp(&meta->disks[disk],
2907 raid->disks[disk].serial, sizeof(u_int32_t))) {
2908 array++;
2909 goto jmicron_next;
2910 }
2911 }
2912 else
2913 bcopy(&meta->disks[disk],
2914 raid->disks[disk].serial, sizeof(u_int32_t));
2915 total_disks++;
2916 }
2917 }
2918 /* handle spares XXX SOS */
2919
2920 switch (meta->type) {
2921 case JM_T_RAID0:
2922 raid->type = AR_T_RAID0;
2923 raid->width = total_disks;
2924 break;
2925
2926 case JM_T_RAID1:
2927 raid->type = AR_T_RAID1;
2928 raid->width = 1;
2929 break;
2930
2931 case JM_T_RAID01:
2932 raid->type = AR_T_RAID01;
2933 raid->width = total_disks / 2;
2934 break;
2935
2936 case JM_T_RAID5:
2937 raid->type = AR_T_RAID5;
2938 raid->width = total_disks;
2939 break;
2940
2941 case JM_T_JBOD:
2942 raid->type = AR_T_SPAN;
2943 raid->width = 1;
2944 break;
2945
2946 default:
2947 device_printf(parent,
2948 "JMicron unknown RAID type 0x%02x\n", meta->type);
2949 free(raidp[array], M_AR);
2950 raidp[array] = NULL;
2951 goto jmicron_out;
2952 }
2953 disk_size = (meta->disk_sectors_high << 16) + meta->disk_sectors_low;
2954 raid->format = AR_F_JMICRON_RAID;
2955 strncpy(raid->name, meta->name, sizeof(meta->name));
2956 raid->generation = 0;
2957 raid->interleave = 2 << meta->stripe_shift;
2958 raid->total_disks = total_disks;
2959 raid->total_sectors = disk_size * (raid->width-(raid->type==AR_RAID5));
2960 raid->heads = 255;
2961 raid->sectors = 63;
2962 raid->cylinders = raid->total_sectors / (63 * 255);
2963 raid->offset_sectors = meta->offset * 16;
2964 raid->rebuild_lba = 0;
2965 raid->lun = array;
2966
2967 for (disk = 0; disk < raid->total_disks; disk++) {
2968 if (meta->disks[disk] == meta->disk_id) {
2969 raid->disks[disk].dev = parent;
2970 raid->disks[disk].sectors = disk_size;
2971 raid->disks[disk].flags =
2972 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
2973 ars->raid[raid->volume] = raid;
2974 ars->disk_number[raid->volume] = disk;
2975 retval = 1;
2976 break;
2977 }
2978 }
2979 break;
2980 }
2981 jmicron_out:
2982 free(meta, M_AR);
2983 return retval;
2984 }
2985
2986 static int
2987 ata_raid_jmicron_write_meta(struct ar_softc *rdp)
2988 {
2989 struct jmicron_raid_conf *meta;
2990 u_int64_t disk_sectors;
2991 int disk, error = 0;
2992
2993 if (!(meta = (struct jmicron_raid_conf *)
2994 malloc(sizeof(struct jmicron_raid_conf), M_AR, M_NOWAIT | M_ZERO))) {
2995 printf("ar%d: failed to allocate metadata storage\n", rdp->lun);
2996 return ENOMEM;
2997 }
2998
2999 rdp->generation++;
3000 switch (rdp->type) {
3001 case AR_T_JBOD:
3002 meta->type = JM_T_JBOD;
3003 break;
3004
3005 case AR_T_RAID0:
3006 meta->type = JM_T_RAID0;
3007 break;
3008
3009 case AR_T_RAID1:
3010 meta->type = JM_T_RAID1;
3011 break;
3012
3013 case AR_T_RAID5:
3014 meta->type = JM_T_RAID5;
3015 break;
3016
3017 case AR_T_RAID01:
3018 meta->type = JM_T_RAID01;
3019 break;
3020
3021 default:
3022 free(meta, M_AR);
3023 return ENODEV;
3024 }
3025 bcopy(JMICRON_MAGIC, meta->signature, sizeof(JMICRON_MAGIC));
3026 meta->version = JMICRON_VERSION;
3027 meta->offset = rdp->offset_sectors / 16;
3028 disk_sectors = rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5));
3029 meta->disk_sectors_low = disk_sectors & 0xffff;
3030 meta->disk_sectors_high = disk_sectors >> 16;
3031 strncpy(meta->name, rdp->name, sizeof(meta->name));
3032 meta->stripe_shift = ffs(rdp->interleave) - 2;
3033
3034 for (disk = 0; disk < rdp->total_disks; disk++) {
3035 if (rdp->disks[disk].serial[0])
3036 bcopy(rdp->disks[disk].serial,&meta->disks[disk],sizeof(u_int32_t));
3037 else
3038 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev;
3039 }
3040
3041 for (disk = 0; disk < rdp->total_disks; disk++) {
3042 if (rdp->disks[disk].dev) {
3043 u_int16_t checksum = 0, *ptr;
3044 int count;
3045
3046 meta->disk_id = meta->disks[disk];
3047 meta->checksum = 0;
3048 for (ptr = (u_int16_t *)meta, count = 0; count < 64; count++)
3049 checksum += *ptr++;
3050 meta->checksum -= checksum;
3051
3052 if (testing || bootverbose)
3053 ata_raid_jmicron_print_meta(meta);
3054
3055 if (ata_raid_rw(rdp->disks[disk].dev,
3056 JMICRON_LBA(rdp->disks[disk].dev),
3057 meta, sizeof(struct jmicron_raid_conf),
3058 ATA_R_WRITE | ATA_R_DIRECT)) {
3059 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
3060 error = EIO;
3061 }
3062 }
3063 }
3064 /* handle spares XXX SOS */
3065
3066 free(meta, M_AR);
3067 return error;
3068 }
3069
3070 /* LSILogic V2 MegaRAID Metadata */
3071 static int
3072 ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp)
3073 {
3074 struct ata_raid_subdisk *ars = device_get_softc(dev);
3075 device_t parent = device_get_parent(dev);
3076 struct lsiv2_raid_conf *meta;
3077 struct ar_softc *raid = NULL;
3078 int array, retval = 0;
3079
3080 if (!(meta = (struct lsiv2_raid_conf *)
3081 malloc(sizeof(struct lsiv2_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
3082 return ENOMEM;
3083
3084 if (ata_raid_rw(parent, LSIV2_LBA(parent),
3085 meta, sizeof(struct lsiv2_raid_conf), ATA_R_READ)) {
3086 if (testing || bootverbose)
3087 device_printf(parent, "LSI (v2) read metadata failed\n");
3088 goto lsiv2_out;
3089 }
3090
3091 /* check if this is a LSI RAID struct */
3092 if (strncmp(meta->lsi_id, LSIV2_MAGIC, strlen(LSIV2_MAGIC))) {
3093 if (testing || bootverbose)
3094 device_printf(parent, "LSI (v2) check1 failed\n");
3095 goto lsiv2_out;
3096 }
3097
3098 if (testing || bootverbose)
3099 ata_raid_lsiv2_print_meta(meta);
3100
3101 /* now convert LSI (v2) config meta into our generic form */
3102 for (array = 0; array < MAX_ARRAYS; array++) {
3103 int raid_entry, conf_entry;
3104
3105 if (!raidp[array + meta->raid_number]) {
3106 raidp[array + meta->raid_number] =
3107 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
3108 M_NOWAIT | M_ZERO);
3109 if (!raidp[array + meta->raid_number]) {
3110 device_printf(parent, "failed to allocate metadata storage\n");
3111 goto lsiv2_out;
3112 }
3113 }
3114 raid = raidp[array + meta->raid_number];
3115 if (raid->format && (raid->format != AR_F_LSIV2_RAID))
3116 continue;
3117
3118 if (raid->magic_0 &&
3119 ((raid->magic_0 != meta->timestamp) ||
3120 (raid->magic_1 != meta->raid_number)))
3121 continue;
3122
3123 array += meta->raid_number;
3124
3125 raid_entry = meta->raid_number;
3126 conf_entry = (meta->configs[raid_entry].raid.config_offset >> 4) +
3127 meta->disk_number - 1;
3128
3129 switch (meta->configs[raid_entry].raid.type) {
3130 case LSIV2_T_RAID0:
3131 raid->magic_0 = meta->timestamp;
3132 raid->magic_1 = meta->raid_number;
3133 raid->type = AR_T_RAID0;
3134 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors;
3135 raid->width = meta->configs[raid_entry].raid.array_width;
3136 break;
3137
3138 case LSIV2_T_RAID1:
3139 raid->magic_0 = meta->timestamp;
3140 raid->magic_1 = meta->raid_number;
3141 raid->type = AR_T_RAID1;
3142 raid->width = meta->configs[raid_entry].raid.array_width;
3143 break;
3144
3145 case LSIV2_T_RAID0 | LSIV2_T_RAID1:
3146 raid->magic_0 = meta->timestamp;
3147 raid->magic_1 = meta->raid_number;
3148 raid->type = AR_T_RAID01;
3149 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors;
3150 raid->width = meta->configs[raid_entry].raid.array_width;
3151 break;
3152
3153 default:
3154 device_printf(parent, "LSI v2 unknown RAID type 0x%02x\n",
3155 meta->configs[raid_entry].raid.type);
3156 free(raidp[array], M_AR);
3157 raidp[array] = NULL;
3158 goto lsiv2_out;
3159 }
3160
3161 raid->format = AR_F_LSIV2_RAID;
3162 raid->generation = 0;
3163 raid->total_disks = meta->configs[raid_entry].raid.disk_count;
3164 raid->total_sectors = meta->configs[raid_entry].raid.total_sectors;
3165 raid->heads = 255;
3166 raid->sectors = 63;
3167 raid->cylinders = raid->total_sectors / (63 * 255);
3168 raid->offset_sectors = 0;
3169 raid->rebuild_lba = 0;
3170 raid->lun = array;
3171
3172 if (meta->configs[conf_entry].disk.device != LSIV2_D_NONE) {
3173 raid->disks[meta->disk_number].dev = parent;
3174 raid->disks[meta->disk_number].sectors =
3175 meta->configs[conf_entry].disk.disk_sectors;
3176 raid->disks[meta->disk_number].flags =
3177 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
3178 ars->raid[raid->volume] = raid;
3179 ars->disk_number[raid->volume] = meta->disk_number;
3180 retval = 1;
3181 }
3182 else
3183 raid->disks[meta->disk_number].flags &= ~AR_DF_ONLINE;
3184
3185 break;
3186 }
3187
3188 lsiv2_out:
3189 free(meta, M_AR);
3190 return retval;
3191 }
3192
3193 /* LSILogic V3 MegaRAID Metadata */
3194 static int
3195 ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp)
3196 {
3197 struct ata_raid_subdisk *ars = device_get_softc(dev);
3198 device_t parent = device_get_parent(dev);
3199 struct lsiv3_raid_conf *meta;
3200 struct ar_softc *raid = NULL;
3201 u_int8_t checksum, *ptr;
3202 int array, entry, count, disk_number, retval = 0;
3203
3204 if (!(meta = (struct lsiv3_raid_conf *)
3205 malloc(sizeof(struct lsiv3_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
3206 return ENOMEM;
3207
3208 if (ata_raid_rw(parent, LSIV3_LBA(parent),
3209 meta, sizeof(struct lsiv3_raid_conf), ATA_R_READ)) {
3210 if (testing || bootverbose)
3211 device_printf(parent, "LSI (v3) read metadata failed\n");
3212 goto lsiv3_out;
3213 }
3214
3215 /* check if this is a LSI RAID struct */
3216 if (strncmp(meta->lsi_id, LSIV3_MAGIC, strlen(LSIV3_MAGIC))) {
3217 if (testing || bootverbose)
3218 device_printf(parent, "LSI (v3) check1 failed\n");
3219 goto lsiv3_out;
3220 }
3221
3222 /* check if the checksum is OK */
3223 for (checksum = 0, ptr = meta->lsi_id, count = 0; count < 512; count++)
3224 checksum += *ptr++;
3225 if (checksum) {
3226 if (testing || bootverbose)
3227 device_printf(parent, "LSI (v3) check2 failed\n");
3228 goto lsiv3_out;
3229 }
3230
3231 if (testing || bootverbose)
3232 ata_raid_lsiv3_print_meta(meta);
3233
3234 /* now convert LSI (v3) config meta into our generic form */
3235 for (array = 0, entry = 0; array < MAX_ARRAYS && entry < 8;) {
3236 if (!raidp[array]) {
3237 raidp[array] =
3238 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
3239 M_NOWAIT | M_ZERO);
3240 if (!raidp[array]) {
3241 device_printf(parent, "failed to allocate metadata storage\n");
3242 goto lsiv3_out;
3243 }
3244 }
3245 raid = raidp[array];
3246 if (raid->format && (raid->format != AR_F_LSIV3_RAID)) {
3247 array++;
3248 continue;
3249 }
3250
3251 if ((raid->format == AR_F_LSIV3_RAID) &&
3252 (raid->magic_0 != meta->timestamp)) {
3253 array++;
3254 continue;
3255 }
3256
3257 switch (meta->raid[entry].total_disks) {
3258 case 0:
3259 entry++;
3260 continue;
3261 case 1:
3262 if (meta->raid[entry].device == meta->device) {
3263 disk_number = 0;
3264 break;
3265 }
3266 if (raid->format)
3267 array++;
3268 entry++;
3269 continue;
3270 case 2:
3271 disk_number = (meta->device & (LSIV3_D_DEVICE|LSIV3_D_CHANNEL))?1:0;
3272 break;
3273 default:
3274 device_printf(parent, "lsiv3 > 2 disk support untested!!\n");
3275 disk_number = (meta->device & LSIV3_D_DEVICE ? 1 : 0) +
3276 (meta->device & LSIV3_D_CHANNEL ? 2 : 0);
3277 break;
3278 }
3279
3280 switch (meta->raid[entry].type) {
3281 case LSIV3_T_RAID0:
3282 raid->type = AR_T_RAID0;
3283 raid->width = meta->raid[entry].total_disks;
3284 break;
3285
3286 case LSIV3_T_RAID1:
3287 raid->type = AR_T_RAID1;
3288 raid->width = meta->raid[entry].array_width;
3289 break;
3290
3291 default:
3292 device_printf(parent, "LSI v3 unknown RAID type 0x%02x\n",
3293 meta->raid[entry].type);
3294 free(raidp[array], M_AR);
3295 raidp[array] = NULL;
3296 entry++;
3297 continue;
3298 }
3299
3300 raid->magic_0 = meta->timestamp;
3301 raid->format = AR_F_LSIV3_RAID;
3302 raid->generation = 0;
3303 raid->interleave = meta->raid[entry].stripe_pages * 8;
3304 raid->total_disks = meta->raid[entry].total_disks;
3305 raid->total_sectors = raid->width * meta->raid[entry].sectors;
3306 raid->heads = 255;
3307 raid->sectors = 63;
3308 raid->cylinders = raid->total_sectors / (63 * 255);
3309 raid->offset_sectors = meta->raid[entry].offset;
3310 raid->rebuild_lba = 0;
3311 raid->lun = array;
3312
3313 raid->disks[disk_number].dev = parent;
3314 raid->disks[disk_number].sectors = raid->total_sectors / raid->width;
3315 raid->disks[disk_number].flags =
3316 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
3317 ars->raid[raid->volume] = raid;
3318 ars->disk_number[raid->volume] = disk_number;
3319 retval = 1;
3320 entry++;
3321 array++;
3322 }
3323
3324 lsiv3_out:
3325 free(meta, M_AR);
3326 return retval;
3327 }
3328
3329 /* nVidia MediaShield Metadata */
3330 static int
3331 ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp)
3332 {
3333 struct ata_raid_subdisk *ars = device_get_softc(dev);
3334 device_t parent = device_get_parent(dev);
3335 struct nvidia_raid_conf *meta;
3336 struct ar_softc *raid = NULL;
3337 u_int32_t checksum, *ptr;
3338 int array, count, retval = 0;
3339
3340 if (!(meta = (struct nvidia_raid_conf *)
3341 malloc(sizeof(struct nvidia_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
3342 return ENOMEM;
3343
3344 if (ata_raid_rw(parent, NVIDIA_LBA(parent),
3345 meta, sizeof(struct nvidia_raid_conf), ATA_R_READ)) {
3346 if (testing || bootverbose)
3347 device_printf(parent, "nVidia read metadata failed\n");
3348 goto nvidia_out;
3349 }
3350
3351 /* check if this is a nVidia RAID struct */
3352 if (strncmp(meta->nvidia_id, NV_MAGIC, strlen(NV_MAGIC))) {
3353 if (testing || bootverbose)
3354 device_printf(parent, "nVidia check1 failed\n");
3355 goto nvidia_out;
3356 }
3357
3358 /* check if the checksum is OK */
3359 for (checksum = 0, ptr = (u_int32_t*)meta, count = 0;
3360 count < meta->config_size; count++)
3361 checksum += *ptr++;
3362 if (checksum) {
3363 if (testing || bootverbose)
3364 device_printf(parent, "nVidia check2 failed\n");
3365 goto nvidia_out;
3366 }
3367
3368 if (testing || bootverbose)
3369 ata_raid_nvidia_print_meta(meta);
3370
3371 /* now convert nVidia meta into our generic form */
3372 for (array = 0; array < MAX_ARRAYS; array++) {
3373 if (!raidp[array]) {
3374 raidp[array] =
3375 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
3376 M_NOWAIT | M_ZERO);
3377 if (!raidp[array]) {
3378 device_printf(parent, "failed to allocate metadata storage\n");
3379 goto nvidia_out;
3380 }
3381 }
3382 raid = raidp[array];
3383 if (raid->format && (raid->format != AR_F_NVIDIA_RAID))
3384 continue;
3385
3386 if (raid->format == AR_F_NVIDIA_RAID &&
3387 ((raid->magic_0 != meta->magic_1) ||
3388 (raid->magic_1 != meta->magic_2))) {
3389 continue;
3390 }
3391
3392 switch (meta->type) {
3393 case NV_T_SPAN:
3394 raid->type = AR_T_SPAN;
3395 break;
3396
3397 case NV_T_RAID0:
3398 raid->type = AR_T_RAID0;
3399 break;
3400
3401 case NV_T_RAID1:
3402 raid->type = AR_T_RAID1;
3403 break;
3404
3405 case NV_T_RAID5:
3406 raid->type = AR_T_RAID5;
3407 break;
3408
3409 case NV_T_RAID01:
3410 raid->type = AR_T_RAID01;
3411 break;
3412
3413 default:
3414 device_printf(parent, "nVidia unknown RAID type 0x%02x\n",
3415 meta->type);
3416 free(raidp[array], M_AR);
3417 raidp[array] = NULL;
3418 goto nvidia_out;
3419 }
3420 raid->magic_0 = meta->magic_1;
3421 raid->magic_1 = meta->magic_2;
3422 raid->format = AR_F_NVIDIA_RAID;
3423 raid->generation = 0;
3424 raid->interleave = meta->stripe_sectors;
3425 raid->width = meta->array_width;
3426 raid->total_disks = meta->total_disks;
3427 raid->total_sectors = meta->total_sectors;
3428 raid->heads = 255;
3429 raid->sectors = 63;
3430 raid->cylinders = raid->total_sectors / (63 * 255);
3431 raid->offset_sectors = 0;
3432 raid->rebuild_lba = meta->rebuild_lba;
3433 raid->lun = array;
3434 raid->status = AR_S_READY;
3435 if (meta->status & NV_S_DEGRADED)
3436 raid->status |= AR_S_DEGRADED;
3437
3438 raid->disks[meta->disk_number].dev = parent;
3439 raid->disks[meta->disk_number].sectors =
3440 raid->total_sectors / raid->width;
3441 raid->disks[meta->disk_number].flags =
3442 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
3443 ars->raid[raid->volume] = raid;
3444 ars->disk_number[raid->volume] = meta->disk_number;
3445 retval = 1;
3446 break;
3447 }
3448
3449 nvidia_out:
3450 free(meta, M_AR);
3451 return retval;
3452 }
3453
3454 /* Promise FastTrak Metadata */
3455 static int
3456 ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native)
3457 {
3458 struct ata_raid_subdisk *ars = device_get_softc(dev);
3459 device_t parent = device_get_parent(dev);
3460 struct promise_raid_conf *meta;
3461 struct ar_softc *raid;
3462 u_int32_t checksum, *ptr;
3463 int array, count, disk, disksum = 0, retval = 0;
3464
3465 if (!(meta = (struct promise_raid_conf *)
3466 malloc(sizeof(struct promise_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
3467 return ENOMEM;
3468
3469 if (ata_raid_rw(parent, PROMISE_LBA(parent),
3470 meta, sizeof(struct promise_raid_conf), ATA_R_READ)) {
3471 if (testing || bootverbose)
3472 device_printf(parent, "%s read metadata failed\n",
3473 native ? "FreeBSD" : "Promise");
3474 goto promise_out;
3475 }
3476
3477 /* check the signature */
3478 if (native) {
3479 if (strncmp(meta->promise_id, ATA_MAGIC, strlen(ATA_MAGIC))) {
3480 if (testing || bootverbose)
3481 device_printf(parent, "FreeBSD check1 failed\n");
3482 goto promise_out;
3483 }
3484 }
3485 else {
3486 if (strncmp(meta->promise_id, PR_MAGIC, strlen(PR_MAGIC))) {
3487 if (testing || bootverbose)
3488 device_printf(parent, "Promise check1 failed\n");
3489 goto promise_out;
3490 }
3491 }
3492
3493 /* check if the checksum is OK */
3494 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; count < 511; count++)
3495 checksum += *ptr++;
3496 if (checksum != *ptr) {
3497 if (testing || bootverbose)
3498 device_printf(parent, "%s check2 failed\n",
3499 native ? "FreeBSD" : "Promise");
3500 goto promise_out;
3501 }
3502
3503 /* check on disk integrity status */
3504 if (meta->raid.integrity != PR_I_VALID) {
3505 if (testing || bootverbose)
3506 device_printf(parent, "%s check3 failed\n",
3507 native ? "FreeBSD" : "Promise");
3508 goto promise_out;
3509 }
3510
3511 if (testing || bootverbose)
3512 ata_raid_promise_print_meta(meta);
3513
3514 /* now convert Promise metadata into our generic form */
3515 for (array = 0; array < MAX_ARRAYS; array++) {
3516 if (!raidp[array]) {
3517 raidp[array] =
3518 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
3519 M_NOWAIT | M_ZERO);
3520 if (!raidp[array]) {
3521 device_printf(parent, "failed to allocate metadata storage\n");
3522 goto promise_out;
3523 }
3524 }
3525 raid = raidp[array];
3526 if (raid->format &&
3527 (raid->format != (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID)))
3528 continue;
3529
3530 if ((raid->format == (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))&&
3531 !(meta->raid.magic_1 == (raid->magic_1)))
3532 continue;
3533
3534 /* update our knowledge about the array config based on generation */
3535 if (!meta->raid.generation || meta->raid.generation > raid->generation){
3536 switch (meta->raid.type) {
3537 case PR_T_SPAN:
3538 raid->type = AR_T_SPAN;
3539 break;
3540
3541 case PR_T_JBOD:
3542 raid->type = AR_T_JBOD;
3543 break;
3544
3545 case PR_T_RAID0:
3546 raid->type = AR_T_RAID0;
3547 break;
3548
3549 case PR_T_RAID1:
3550 raid->type = AR_T_RAID1;
3551 if (meta->raid.array_width > 1)
3552 raid->type = AR_T_RAID01;
3553 break;
3554
3555 case PR_T_RAID5:
3556 raid->type = AR_T_RAID5;
3557 break;
3558
3559 default:
3560 device_printf(parent, "%s unknown RAID type 0x%02x\n",
3561 native ? "FreeBSD" : "Promise", meta->raid.type);
3562 free(raidp[array], M_AR);
3563 raidp[array] = NULL;
3564 goto promise_out;
3565 }
3566 raid->magic_1 = meta->raid.magic_1;
3567 raid->format = (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID);
3568 raid->generation = meta->raid.generation;
3569 raid->interleave = 1 << meta->raid.stripe_shift;
3570 raid->width = meta->raid.array_width;
3571 raid->total_disks = meta->raid.total_disks;
3572 raid->heads = meta->raid.heads + 1;
3573 raid->sectors = meta->raid.sectors;
3574 raid->cylinders = meta->raid.cylinders + 1;
3575 raid->total_sectors = meta->raid.total_sectors;
3576 raid->offset_sectors = 0;
3577 raid->rebuild_lba = meta->raid.rebuild_lba;
3578 raid->lun = array;
3579 if ((meta->raid.status &
3580 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) ==
3581 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) {
3582 raid->status |= AR_S_READY;
3583 if (meta->raid.status & PR_S_DEGRADED)
3584 raid->status |= AR_S_DEGRADED;
3585 }
3586 else
3587 raid->status &= ~AR_S_READY;
3588
3589 /* convert disk flags to our internal types */
3590 for (disk = 0; disk < meta->raid.total_disks; disk++) {
3591 raid->disks[disk].dev = NULL;
3592 raid->disks[disk].flags = 0;
3593 *((u_int64_t *)(raid->disks[disk].serial)) =
3594 meta->raid.disk[disk].magic_0;
3595 disksum += meta->raid.disk[disk].flags;
3596 if (meta->raid.disk[disk].flags & PR_F_ONLINE)
3597 raid->disks[disk].flags |= AR_DF_ONLINE;
3598 if (meta->raid.disk[disk].flags & PR_F_ASSIGNED)
3599 raid->disks[disk].flags |= AR_DF_ASSIGNED;
3600 if (meta->raid.disk[disk].flags & PR_F_SPARE) {
3601 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED);
3602 raid->disks[disk].flags |= AR_DF_SPARE;
3603 }
3604 if (meta->raid.disk[disk].flags & (PR_F_REDIR | PR_F_DOWN))
3605 raid->disks[disk].flags &= ~AR_DF_ONLINE;
3606 }
3607 if (!disksum) {
3608 device_printf(parent, "%s subdisks has no flags\n",
3609 native ? "FreeBSD" : "Promise");
3610 free(raidp[array], M_AR);
3611 raidp[array] = NULL;
3612 goto promise_out;
3613 }
3614 }
3615 if (meta->raid.generation >= raid->generation) {
3616 int disk_number = meta->raid.disk_number;
3617
3618 if (raid->disks[disk_number].flags && (meta->magic_0 ==
3619 *((u_int64_t *)(raid->disks[disk_number].serial)))) {
3620 raid->disks[disk_number].dev = parent;
3621 raid->disks[disk_number].flags |= AR_DF_PRESENT;
3622 raid->disks[disk_number].sectors = meta->raid.disk_sectors;
3623 if ((raid->disks[disk_number].flags &
3624 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) ==
3625 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) {
3626 ars->raid[raid->volume] = raid;
3627 ars->disk_number[raid->volume] = disk_number;
3628 retval = 1;
3629 }
3630 }
3631 }
3632 break;
3633 }
3634
3635 promise_out:
3636 free(meta, M_AR);
3637 return retval;
3638 }
3639
3640 static int
3641 ata_raid_promise_write_meta(struct ar_softc *rdp)
3642 {
3643 struct promise_raid_conf *meta;
3644 struct timeval timestamp;
3645 u_int32_t *ckptr;
3646 int count, disk, drive, error = 0;
3647
3648 if (!(meta = (struct promise_raid_conf *)
3649 malloc(sizeof(struct promise_raid_conf), M_AR, M_NOWAIT))) {
3650 printf("ar%d: failed to allocate metadata storage\n", rdp->lun);
3651 return ENOMEM;
3652 }
3653
3654 rdp->generation++;
3655 microtime(×tamp);
3656
3657 for (disk = 0; disk < rdp->total_disks; disk++) {
3658 for (count = 0; count < sizeof(struct promise_raid_conf); count++)
3659 *(((u_int8_t *)meta) + count) = 255 - (count % 256);
3660 meta->dummy_0 = 0x00020000;
3661 meta->raid.disk_number = disk;
3662
3663 if (rdp->disks[disk].dev) {
3664 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev);
3665 struct ata_channel *ch =
3666 device_get_softc(device_get_parent(rdp->disks[disk].dev));
3667
3668 meta->raid.channel = ch->unit;
3669 meta->raid.device = atadev->unit;
3670 meta->raid.disk_sectors = rdp->disks[disk].sectors;
3671 meta->raid.disk_offset = rdp->offset_sectors;
3672 }
3673 else {
3674 meta->raid.channel = 0;
3675 meta->raid.device = 0;
3676 meta->raid.disk_sectors = 0;
3677 meta->raid.disk_offset = 0;
3678 }
3679 meta->magic_0 = PR_MAGIC0(meta->raid) | timestamp.tv_sec;
3680 meta->magic_1 = timestamp.tv_sec >> 16;
3681 meta->magic_2 = timestamp.tv_sec;
3682 meta->raid.integrity = PR_I_VALID;
3683 meta->raid.magic_0 = meta->magic_0;
3684 meta->raid.rebuild_lba = rdp->rebuild_lba;
3685 meta->raid.generation = rdp->generation;
3686
3687 if (rdp->status & AR_S_READY) {
3688 meta->raid.flags = (PR_F_VALID | PR_F_ASSIGNED | PR_F_ONLINE);
3689 meta->raid.status =
3690 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY);
3691 if (rdp->status & AR_S_DEGRADED)
3692 meta->raid.status |= PR_S_DEGRADED;
3693 else
3694 meta->raid.status |= PR_S_FUNCTIONAL;
3695 }
3696 else {
3697 meta->raid.flags = PR_F_DOWN;
3698 meta->raid.status = 0;
3699 }
3700
3701 switch (rdp->type) {
3702 case AR_T_RAID0:
3703 meta->raid.type = PR_T_RAID0;
3704 break;
3705 case AR_T_RAID1:
3706 meta->raid.type = PR_T_RAID1;
3707 break;
3708 case AR_T_RAID01:
3709 meta->raid.type = PR_T_RAID1;
3710 break;
3711 case AR_T_RAID5:
3712 meta->raid.type = PR_T_RAID5;
3713 break;
3714 case AR_T_SPAN:
3715 meta->raid.type = PR_T_SPAN;
3716 break;
3717 case AR_T_JBOD:
3718 meta->raid.type = PR_T_JBOD;
3719 break;
3720 default:
3721 free(meta, M_AR);
3722 return ENODEV;
3723 }
3724
3725 meta->raid.total_disks = rdp->total_disks;
3726 meta->raid.stripe_shift = ffs(rdp->interleave) - 1;
3727 meta->raid.array_width = rdp->width;
3728 meta->raid.array_number = rdp->lun;
3729 meta->raid.total_sectors = rdp->total_sectors;
3730 meta->raid.cylinders = rdp->cylinders - 1;
3731 meta->raid.heads = rdp->heads - 1;
3732 meta->raid.sectors = rdp->sectors;
3733 meta->raid.magic_1 = (u_int64_t)meta->magic_2<<16 | meta->magic_1;
3734
3735 bzero(&meta->raid.disk, 8 * 12);
3736 for (drive = 0; drive < rdp->total_disks; drive++) {
3737 meta->raid.disk[drive].flags = 0;
3738 if (rdp->disks[drive].flags & AR_DF_PRESENT)
3739 meta->raid.disk[drive].flags |= PR_F_VALID;
3740 if (rdp->disks[drive].flags & AR_DF_ASSIGNED)
3741 meta->raid.disk[drive].flags |= PR_F_ASSIGNED;
3742 if (rdp->disks[drive].flags & AR_DF_ONLINE)
3743 meta->raid.disk[drive].flags |= PR_F_ONLINE;
3744 else
3745 if (rdp->disks[drive].flags & AR_DF_PRESENT)
3746 meta->raid.disk[drive].flags = (PR_F_REDIR | PR_F_DOWN);
3747 if (rdp->disks[drive].flags & AR_DF_SPARE)
3748 meta->raid.disk[drive].flags |= PR_F_SPARE;
3749 meta->raid.disk[drive].dummy_0 = 0x0;
3750 if (rdp->disks[drive].dev) {
3751 struct ata_channel *ch =
3752 device_get_softc(device_get_parent(rdp->disks[drive].dev));
3753 struct ata_device *atadev =
3754 device_get_softc(rdp->disks[drive].dev);
3755
3756 meta->raid.disk[drive].channel = ch->unit;
3757 meta->raid.disk[drive].device = atadev->unit;
3758 }
3759 meta->raid.disk[drive].magic_0 =
3760 PR_MAGIC0(meta->raid.disk[drive]) | timestamp.tv_sec;
3761 }
3762
3763 if (rdp->disks[disk].dev) {
3764 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) ==
3765 (AR_DF_PRESENT | AR_DF_ONLINE)) {
3766 if (rdp->format == AR_F_FREEBSD_RAID)
3767 bcopy(ATA_MAGIC, meta->promise_id, sizeof(ATA_MAGIC));
3768 else
3769 bcopy(PR_MAGIC, meta->promise_id, sizeof(PR_MAGIC));
3770 }
3771 else
3772 bzero(meta->promise_id, sizeof(meta->promise_id));
3773 meta->checksum = 0;
3774 for (ckptr = (int32_t *)meta, count = 0; count < 511; count++)
3775 meta->checksum += *ckptr++;
3776 if (testing || bootverbose)
3777 ata_raid_promise_print_meta(meta);
3778 if (ata_raid_rw(rdp->disks[disk].dev,
3779 PROMISE_LBA(rdp->disks[disk].dev),
3780 meta, sizeof(struct promise_raid_conf),
3781 ATA_R_WRITE | ATA_R_DIRECT)) {
3782 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
3783 error = EIO;
3784 }
3785 }
3786 }
3787 free(meta, M_AR);
3788 return error;
3789 }
3790
3791 /* Silicon Image Medley Metadata */
3792 static int
3793 ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp)
3794 {
3795 struct ata_raid_subdisk *ars = device_get_softc(dev);
3796 device_t parent = device_get_parent(dev);
3797 struct sii_raid_conf *meta;
3798 struct ar_softc *raid = NULL;
3799 u_int16_t checksum, *ptr;
3800 int array, count, disk, retval = 0;
3801
3802 if (!(meta = (struct sii_raid_conf *)
3803 malloc(sizeof(struct sii_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
3804 return ENOMEM;
3805
3806 if (ata_raid_rw(parent, SII_LBA(parent),
3807 meta, sizeof(struct sii_raid_conf), ATA_R_READ)) {
3808 if (testing || bootverbose)
3809 device_printf(parent, "Silicon Image read metadata failed\n");
3810 goto sii_out;
3811 }
3812
3813 /* check if this is a Silicon Image (Medley) RAID struct */
3814 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 160; count++)
3815 checksum += *ptr++;
3816 if (checksum) {
3817 if (testing || bootverbose)
3818 device_printf(parent, "Silicon Image check1 failed\n");
3819 goto sii_out;
3820 }
3821
3822 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 256; count++)
3823 checksum += *ptr++;
3824 if (checksum != meta->checksum_1) {
3825 if (testing || bootverbose)
3826 device_printf(parent, "Silicon Image check2 failed\n");
3827 goto sii_out;
3828 }
3829
3830 /* check verison */
3831 if (meta->version_major != 0x0002 ||
3832 (meta->version_minor != 0x0000 && meta->version_minor != 0x0001)) {
3833 if (testing || bootverbose)
3834 device_printf(parent, "Silicon Image check3 failed\n");
3835 goto sii_out;
3836 }
3837
3838 if (testing || bootverbose)
3839 ata_raid_sii_print_meta(meta);
3840
3841 /* now convert Silicon Image meta into our generic form */
3842 for (array = 0; array < MAX_ARRAYS; array++) {
3843 if (!raidp[array]) {
3844 raidp[array] =
3845 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
3846 M_NOWAIT | M_ZERO);
3847 if (!raidp[array]) {
3848 device_printf(parent, "failed to allocate metadata storage\n");
3849 goto sii_out;
3850 }
3851 }
3852 raid = raidp[array];
3853 if (raid->format && (raid->format != AR_F_SII_RAID))
3854 continue;
3855
3856 if (raid->format == AR_F_SII_RAID &&
3857 (raid->magic_0 != *((u_int64_t *)meta->timestamp))) {
3858 continue;
3859 }
3860
3861 /* update our knowledge about the array config based on generation */
3862 if (!meta->generation || meta->generation > raid->generation) {
3863 switch (meta->type) {
3864 case SII_T_RAID0:
3865 raid->type = AR_T_RAID0;
3866 break;
3867
3868 case SII_T_RAID1:
3869 raid->type = AR_T_RAID1;
3870 break;
3871
3872 case SII_T_RAID01:
3873 raid->type = AR_T_RAID01;
3874 break;
3875
3876 case SII_T_SPARE:
3877 device_printf(parent, "Silicon Image SPARE disk\n");
3878 free(raidp[array], M_AR);
3879 raidp[array] = NULL;
3880 goto sii_out;
3881
3882 default:
3883 device_printf(parent,"Silicon Image unknown RAID type 0x%02x\n",
3884 meta->type);
3885 free(raidp[array], M_AR);
3886 raidp[array] = NULL;
3887 goto sii_out;
3888 }
3889 raid->magic_0 = *((u_int64_t *)meta->timestamp);
3890 raid->format = AR_F_SII_RAID;
3891 raid->generation = meta->generation;
3892 raid->interleave = meta->stripe_sectors;
3893 raid->width = (meta->raid0_disks != 0xff) ? meta->raid0_disks : 1;
3894 raid->total_disks =
3895 ((meta->raid0_disks != 0xff) ? meta->raid0_disks : 0) +
3896 ((meta->raid1_disks != 0xff) ? meta->raid1_disks : 0);
3897 raid->total_sectors = meta->total_sectors;
3898 raid->heads = 255;
3899 raid->sectors = 63;
3900 raid->cylinders = raid->total_sectors / (63 * 255);
3901 raid->offset_sectors = 0;
3902 raid->rebuild_lba = meta->rebuild_lba;
3903 raid->lun = array;
3904 strncpy(raid->name, meta->name,
3905 min(sizeof(raid->name), sizeof(meta->name)));
3906
3907 /* clear out any old info */
3908 if (raid->generation) {
3909 for (disk = 0; disk < raid->total_disks; disk++) {
3910 raid->disks[disk].dev = NULL;
3911 raid->disks[disk].flags = 0;
3912 }
3913 }
3914 }
3915 if (meta->generation >= raid->generation) {
3916 /* XXX SOS add check for the right physical disk by serial# */
3917 if (meta->status & SII_S_READY) {
3918 int disk_number = (raid->type == AR_T_RAID01) ?
3919 meta->raid1_ident + (meta->raid0_ident << 1) :
3920 meta->disk_number;
3921
3922 raid->disks[disk_number].dev = parent;
3923 raid->disks[disk_number].sectors =
3924 raid->total_sectors / raid->width;
3925 raid->disks[disk_number].flags =
3926 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
3927 ars->raid[raid->volume] = raid;
3928 ars->disk_number[raid->volume] = disk_number;
3929 retval = 1;
3930 }
3931 }
3932 break;
3933 }
3934
3935 sii_out:
3936 free(meta, M_AR);
3937 return retval;
3938 }
3939
3940 /* Silicon Integrated Systems Metadata */
3941 static int
3942 ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp)
3943 {
3944 struct ata_raid_subdisk *ars = device_get_softc(dev);
3945 device_t parent = device_get_parent(dev);
3946 struct sis_raid_conf *meta;
3947 struct ar_softc *raid = NULL;
3948 int array, disk_number, drive, retval = 0;
3949
3950 if (!(meta = (struct sis_raid_conf *)
3951 malloc(sizeof(struct sis_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
3952 return ENOMEM;
3953
3954 if (ata_raid_rw(parent, SIS_LBA(parent),
3955 meta, sizeof(struct sis_raid_conf), ATA_R_READ)) {
3956 if (testing || bootverbose)
3957 device_printf(parent,
3958 "Silicon Integrated Systems read metadata failed\n");
3959 }
3960
3961 /* check for SiS magic */
3962 if (meta->magic != SIS_MAGIC) {
3963 if (testing || bootverbose)
3964 device_printf(parent,
3965 "Silicon Integrated Systems check1 failed\n");
3966 goto sis_out;
3967 }
3968
3969 if (testing || bootverbose)
3970 ata_raid_sis_print_meta(meta);
3971
3972 /* now convert SiS meta into our generic form */
3973 for (array = 0; array < MAX_ARRAYS; array++) {
3974 if (!raidp[array]) {
3975 raidp[array] =
3976 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
3977 M_NOWAIT | M_ZERO);
3978 if (!raidp[array]) {
3979 device_printf(parent, "failed to allocate metadata storage\n");
3980 goto sis_out;
3981 }
3982 }
3983
3984 raid = raidp[array];
3985 if (raid->format && (raid->format != AR_F_SIS_RAID))
3986 continue;
3987
3988 if ((raid->format == AR_F_SIS_RAID) &&
3989 ((raid->magic_0 != meta->controller_pci_id) ||
3990 (raid->magic_1 != meta->timestamp))) {
3991 continue;
3992 }
3993
3994 switch (meta->type_total_disks & SIS_T_MASK) {
3995 case SIS_T_JBOD:
3996 raid->type = AR_T_JBOD;
3997 raid->width = (meta->type_total_disks & SIS_D_MASK);
3998 raid->total_sectors += SIS_LBA(parent);
3999 break;
4000
4001 case SIS_T_RAID0:
4002 raid->type = AR_T_RAID0;
4003 raid->width = (meta->type_total_disks & SIS_D_MASK);
4004 if (!raid->total_sectors ||
4005 (raid->total_sectors > (raid->width * SIS_LBA(parent))))
4006 raid->total_sectors = raid->width * SIS_LBA(parent);
4007 break;
4008
4009 case SIS_T_RAID1:
4010 raid->type = AR_T_RAID1;
4011 raid->width = 1;
4012 if (!raid->total_sectors || (raid->total_sectors > SIS_LBA(parent)))
4013 raid->total_sectors = SIS_LBA(parent);
4014 break;
4015
4016 default:
4017 device_printf(parent, "Silicon Integrated Systems "
4018 "unknown RAID type 0x%08x\n", meta->magic);
4019 free(raidp[array], M_AR);
4020 raidp[array] = NULL;
4021 goto sis_out;
4022 }
4023 raid->magic_0 = meta->controller_pci_id;
4024 raid->magic_1 = meta->timestamp;
4025 raid->format = AR_F_SIS_RAID;
4026 raid->generation = 0;
4027 raid->interleave = meta->stripe_sectors;
4028 raid->total_disks = (meta->type_total_disks & SIS_D_MASK);
4029 raid->heads = 255;
4030 raid->sectors = 63;
4031 raid->cylinders = raid->total_sectors / (63 * 255);
4032 raid->offset_sectors = 0;
4033 raid->rebuild_lba = 0;
4034 raid->lun = array;
4035 /* XXX SOS if total_disks > 2 this doesn't float */
4036 if (((meta->disks & SIS_D_MASTER) >> 4) == meta->disk_number)
4037 disk_number = 0;
4038 else
4039 disk_number = 1;
4040
4041 for (drive = 0; drive < raid->total_disks; drive++) {
4042 raid->disks[drive].sectors = raid->total_sectors/raid->width;
4043 if (drive == disk_number) {
4044 raid->disks[disk_number].dev = parent;
4045 raid->disks[disk_number].flags =
4046 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
4047 ars->raid[raid->volume] = raid;
4048 ars->disk_number[raid->volume] = disk_number;
4049 }
4050 }
4051 retval = 1;
4052 break;
4053 }
4054
4055 sis_out:
4056 free(meta, M_AR);
4057 return retval;
4058 }
4059
4060 static int
4061 ata_raid_sis_write_meta(struct ar_softc *rdp)
4062 {
4063 struct sis_raid_conf *meta;
4064 struct timeval timestamp;
4065 int disk, error = 0;
4066
4067 if (!(meta = (struct sis_raid_conf *)
4068 malloc(sizeof(struct sis_raid_conf), M_AR, M_NOWAIT | M_ZERO))) {
4069 printf("ar%d: failed to allocate metadata storage\n", rdp->lun);
4070 return ENOMEM;
4071 }
4072
4073 rdp->generation++;
4074 microtime(×tamp);
4075
4076 meta->magic = SIS_MAGIC;
4077 /* XXX SOS if total_disks > 2 this doesn't float */
4078 for (disk = 0; disk < rdp->total_disks; disk++) {
4079 if (rdp->disks[disk].dev) {
4080 struct ata_channel *ch =
4081 device_get_softc(device_get_parent(rdp->disks[disk].dev));
4082 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev);
4083 int disk_number = 1 + atadev->unit + (ch->unit << 1);
4084
4085 meta->disks |= disk_number << ((1 - disk) << 2);
4086 }
4087 }
4088 switch (rdp->type) {
4089 case AR_T_JBOD:
4090 meta->type_total_disks = SIS_T_JBOD;
4091 break;
4092
4093 case AR_T_RAID0:
4094 meta->type_total_disks = SIS_T_RAID0;
4095 break;
4096
4097 case AR_T_RAID1:
4098 meta->type_total_disks = SIS_T_RAID1;
4099 break;
4100
4101 default:
4102 free(meta, M_AR);
4103 return ENODEV;
4104 }
4105 meta->type_total_disks |= (rdp->total_disks & SIS_D_MASK);
4106 meta->stripe_sectors = rdp->interleave;
4107 meta->timestamp = timestamp.tv_sec;
4108
4109 for (disk = 0; disk < rdp->total_disks; disk++) {
4110 if (rdp->disks[disk].dev) {
4111 struct ata_channel *ch =
4112 device_get_softc(device_get_parent(rdp->disks[disk].dev));
4113 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev);
4114
4115 meta->controller_pci_id =
4116 (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev)) << 16) |
4117 pci_get_device(GRANDPARENT(rdp->disks[disk].dev));
4118 bcopy(atadev->param.model, meta->model, sizeof(meta->model));
4119
4120 /* XXX SOS if total_disks > 2 this may not float */
4121 meta->disk_number = 1 + atadev->unit + (ch->unit << 1);
4122
4123 if (testing || bootverbose)
4124 ata_raid_sis_print_meta(meta);
4125
4126 if (ata_raid_rw(rdp->disks[disk].dev,
4127 SIS_LBA(rdp->disks[disk].dev),
4128 meta, sizeof(struct sis_raid_conf),
4129 ATA_R_WRITE | ATA_R_DIRECT)) {
4130 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
4131 error = EIO;
4132 }
4133 }
4134 }
4135 free(meta, M_AR);
4136 return error;
4137 }
4138
4139 /* VIA Tech V-RAID Metadata */
4140 static int
4141 ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp)
4142 {
4143 struct ata_raid_subdisk *ars = device_get_softc(dev);
4144 device_t parent = device_get_parent(dev);
4145 struct via_raid_conf *meta;
4146 struct ar_softc *raid = NULL;
4147 u_int8_t checksum, *ptr;
4148 int array, count, disk, retval = 0;
4149
4150 if (!(meta = (struct via_raid_conf *)
4151 malloc(sizeof(struct via_raid_conf), M_AR, M_NOWAIT | M_ZERO)))
4152 return ENOMEM;
4153
4154 if (ata_raid_rw(parent, VIA_LBA(parent),
4155 meta, sizeof(struct via_raid_conf), ATA_R_READ)) {
4156 if (testing || bootverbose)
4157 device_printf(parent, "VIA read metadata failed\n");
4158 goto via_out;
4159 }
4160
4161 /* check if this is a VIA RAID struct */
4162 if (meta->magic != VIA_MAGIC) {
4163 if (testing || bootverbose)
4164 device_printf(parent, "VIA check1 failed\n");
4165 goto via_out;
4166 }
4167
4168 /* calculate checksum and compare for valid */
4169 for (checksum = 0, ptr = (u_int8_t *)meta, count = 0; count < 50; count++)
4170 checksum += *ptr++;
4171 if (checksum != meta->checksum) {
4172 if (testing || bootverbose)
4173 device_printf(parent, "VIA check2 failed\n");
4174 goto via_out;
4175 }
4176
4177 if (testing || bootverbose)
4178 ata_raid_via_print_meta(meta);
4179
4180 /* now convert VIA meta into our generic form */
4181 for (array = 0; array < MAX_ARRAYS; array++) {
4182 if (!raidp[array]) {
4183 raidp[array] =
4184 (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR,
4185 M_NOWAIT | M_ZERO);
4186 if (!raidp[array]) {
4187 device_printf(parent, "failed to allocate metadata storage\n");
4188 goto via_out;
4189 }
4190 }
4191 raid = raidp[array];
4192 if (raid->format && (raid->format != AR_F_VIA_RAID))
4193 continue;
4194
4195 if (raid->format == AR_F_VIA_RAID && (raid->magic_0 != meta->disks[0]))
4196 continue;
4197
4198 switch (meta->type & VIA_T_MASK) {
4199 case VIA_T_RAID0:
4200 raid->type = AR_T_RAID0;
4201 raid->width = meta->stripe_layout & VIA_L_DISKS;
4202 if (!raid->total_sectors ||
4203 (raid->total_sectors > (raid->width * meta->disk_sectors)))
4204 raid->total_sectors = raid->width * meta->disk_sectors;
4205 break;
4206
4207 case VIA_T_RAID1:
4208 raid->type = AR_T_RAID1;
4209 raid->width = 1;
4210 raid->total_sectors = meta->disk_sectors;
4211 break;
4212
4213 case VIA_T_RAID01:
4214 raid->type = AR_T_RAID01;
4215 raid->width = meta->stripe_layout & VIA_L_DISKS;
4216 if (!raid->total_sectors ||
4217 (raid->total_sectors > (raid->width * meta->disk_sectors)))
4218 raid->total_sectors = raid->width * meta->disk_sectors;
4219 break;
4220
4221 case VIA_T_RAID5:
4222 raid->type = AR_T_RAID5;
4223 raid->width = meta->stripe_layout & VIA_L_DISKS;
4224 if (!raid->total_sectors ||
4225 (raid->total_sectors > ((raid->width - 1)*meta->disk_sectors)))
4226 raid->total_sectors = (raid->width - 1) * meta->disk_sectors;
4227 break;
4228
4229 case VIA_T_SPAN:
4230 raid->type = AR_T_SPAN;
4231 raid->width = 1;
4232 raid->total_sectors += meta->disk_sectors;
4233 break;
4234
4235 default:
4236 device_printf(parent,"VIA unknown RAID type 0x%02x\n", meta->type);
4237 free(raidp[array], M_AR);
4238 raidp[array] = NULL;
4239 goto via_out;
4240 }
4241 raid->magic_0 = meta->disks[0];
4242 raid->format = AR_F_VIA_RAID;
4243 raid->generation = 0;
4244 raid->interleave =
4245 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT);
4246 for (count = 0, disk = 0; disk < 8; disk++)
4247 if (meta->disks[disk])
4248 count++;
4249 raid->total_disks = count;
4250 raid->heads = 255;
4251 raid->sectors = 63;
4252 raid->cylinders = raid->total_sectors / (63 * 255);
4253 raid->offset_sectors = 0;
4254 raid->rebuild_lba = 0;
4255 raid->lun = array;
4256
4257 for (disk = 0; disk < raid->total_disks; disk++) {
4258 if (meta->disks[disk] == meta->disk_id) {
4259 raid->disks[disk].dev = parent;
4260 bcopy(&meta->disk_id, raid->disks[disk].serial,
4261 sizeof(u_int32_t));
4262 raid->disks[disk].sectors = meta->disk_sectors;
4263 raid->disks[disk].flags =
4264 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
4265 ars->raid[raid->volume] = raid;
4266 ars->disk_number[raid->volume] = disk;
4267 retval = 1;
4268 break;
4269 }
4270 }
4271 break;
4272 }
4273
4274 via_out:
4275 free(meta, M_AR);
4276 return retval;
4277 }
4278
4279 static int
4280 ata_raid_via_write_meta(struct ar_softc *rdp)
4281 {
4282 struct via_raid_conf *meta;
4283 int disk, error = 0;
4284
4285 if (!(meta = (struct via_raid_conf *)
4286 malloc(sizeof(struct via_raid_conf), M_AR, M_NOWAIT | M_ZERO))) {
4287 printf("ar%d: failed to allocate metadata storage\n", rdp->lun);
4288 return ENOMEM;
4289 }
4290
4291 rdp->generation++;
4292
4293 meta->magic = VIA_MAGIC;
4294 meta->dummy_0 = 0x02;
4295 switch (rdp->type) {
4296 case AR_T_SPAN:
4297 meta->type = VIA_T_SPAN;
4298 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS);
4299 break;
4300
4301 case AR_T_RAID0:
4302 meta->type = VIA_T_RAID0;
4303 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK);
4304 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS);
4305 break;
4306
4307 case AR_T_RAID1:
4308 meta->type = VIA_T_RAID1;
4309 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS);
4310 break;
4311
4312 case AR_T_RAID5:
4313 meta->type = VIA_T_RAID5;
4314 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK);
4315 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS);
4316 break;
4317
4318 case AR_T_RAID01:
4319 meta->type = VIA_T_RAID01;
4320 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK);
4321 meta->stripe_layout |= (rdp->width & VIA_L_DISKS);
4322 break;
4323
4324 default:
4325 free(meta, M_AR);
4326 return ENODEV;
4327 }
4328 meta->type |= VIA_T_BOOTABLE; /* XXX SOS */
4329 meta->disk_sectors =
4330 rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5));
4331 for (disk = 0; disk < rdp->total_disks; disk++)
4332 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev;
4333
4334 for (disk = 0; disk < rdp->total_disks; disk++) {
4335 if (rdp->disks[disk].dev) {
4336 u_int8_t *ptr;
4337 int count;
4338
4339 meta->disk_index = disk * sizeof(u_int32_t);
4340 if (rdp->type == AR_T_RAID01)
4341 meta->disk_index = ((meta->disk_index & 0x08) << 2) |
4342 (meta->disk_index & ~0x08);
4343 meta->disk_id = meta->disks[disk];
4344 meta->checksum = 0;
4345 for (ptr = (u_int8_t *)meta, count = 0; count < 50; count++)
4346 meta->checksum += *ptr++;
4347
4348 if (testing || bootverbose)
4349 ata_raid_via_print_meta(meta);
4350
4351 if (ata_raid_rw(rdp->disks[disk].dev,
4352 VIA_LBA(rdp->disks[disk].dev),
4353 meta, sizeof(struct via_raid_conf),
4354 ATA_R_WRITE | ATA_R_DIRECT)) {
4355 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
4356 error = EIO;
4357 }
4358 }
4359 }
4360 free(meta, M_AR);
4361 return error;
4362 }
4363
4364 static struct ata_request *
4365 ata_raid_init_request(device_t dev, struct ar_softc *rdp, struct bio *bio)
4366 {
4367 struct ata_request *request;
4368
4369 if (!(request = ata_alloc_request())) {
4370 printf("FAILURE - out of memory in ata_raid_init_request\n");
4371 return NULL;
4372 }
4373 request->dev = dev;
4374 request->timeout = ATA_REQUEST_TIMEOUT;
4375 request->retries = 2;
4376 request->callback = ata_raid_done;
4377 request->driver = rdp;
4378 request->bio = bio;
4379 switch (request->bio->bio_cmd) {
4380 case BIO_READ:
4381 request->flags = ATA_R_READ;
4382 break;
4383 case BIO_WRITE:
4384 request->flags = ATA_R_WRITE;
4385 break;
4386 case BIO_FLUSH:
4387 request->flags = ATA_R_CONTROL;
4388 break;
4389 }
4390 return request;
4391 }
4392
4393 static int
4394 ata_raid_send_request(struct ata_request *request)
4395 {
4396 struct ata_device *atadev = device_get_softc(request->dev);
4397
4398 request->transfersize = min(request->bytecount, atadev->max_iosize);
4399 if (request->flags & ATA_R_READ) {
4400 if (atadev->mode >= ATA_DMA) {
4401 request->flags |= ATA_R_DMA;
4402 request->u.ata.command = ATA_READ_DMA;
4403 }
4404 else if (atadev->max_iosize > DEV_BSIZE)
4405 request->u.ata.command = ATA_READ_MUL;
4406 else
4407 request->u.ata.command = ATA_READ;
4408 }
4409 else if (request->flags & ATA_R_WRITE) {
4410 if (atadev->mode >= ATA_DMA) {
4411 request->flags |= ATA_R_DMA;
4412 request->u.ata.command = ATA_WRITE_DMA;
4413 }
4414 else if (atadev->max_iosize > DEV_BSIZE)
4415 request->u.ata.command = ATA_WRITE_MUL;
4416 else
4417 request->u.ata.command = ATA_WRITE;
4418 }
4419 else {
4420 device_printf(request->dev, "FAILURE - unknown IO operation\n");
4421 ata_free_request(request);
4422 return EIO;
4423 }
4424 request->flags |= (ATA_R_ORDERED | ATA_R_THREAD);
4425 ata_queue_request(request);
4426 return 0;
4427 }
4428
4429 static int
4430 ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags)
4431 {
4432 struct ata_device *atadev = device_get_softc(dev);
4433 struct ata_request *request;
4434 int error;
4435
4436 if (bcount % DEV_BSIZE) {
4437 device_printf(dev, "FAILURE - transfers must be modulo sectorsize\n");
4438 return ENOMEM;
4439 }
4440
4441 if (!(request = ata_alloc_request())) {
4442 device_printf(dev, "FAILURE - out of memory in ata_raid_rw\n");
4443 return ENOMEM;
4444 }
4445
4446 /* setup request */
4447 request->dev = dev;
4448 request->timeout = ATA_REQUEST_TIMEOUT;
4449 request->retries = 0;
4450 request->data = data;
4451 request->bytecount = bcount;
4452 request->transfersize = DEV_BSIZE;
4453 request->u.ata.lba = lba;
4454 request->u.ata.count = request->bytecount / DEV_BSIZE;
4455 request->flags = flags;
4456
4457 if (flags & ATA_R_READ) {
4458 if (atadev->mode >= ATA_DMA) {
4459 request->u.ata.command = ATA_READ_DMA;
4460 request->flags |= ATA_R_DMA;
4461 }
4462 else
4463 request->u.ata.command = ATA_READ;
4464 ata_queue_request(request);
4465 }
4466 else if (flags & ATA_R_WRITE) {
4467 if (atadev->mode >= ATA_DMA) {
4468 request->u.ata.command = ATA_WRITE_DMA;
4469 request->flags |= ATA_R_DMA;
4470 }
4471 else
4472 request->u.ata.command = ATA_WRITE;
4473 ata_queue_request(request);
4474 }
4475 else {
4476 device_printf(dev, "FAILURE - unknown IO operation\n");
4477 request->result = EIO;
4478 }
4479 error = request->result;
4480 ata_free_request(request);
4481 return error;
4482 }
4483
4484 /*
4485 * module handeling
4486 */
4487 static int
4488 ata_raid_subdisk_probe(device_t dev)
4489 {
4490 device_quiet(dev);
4491 return 0;
4492 }
4493
4494 static int
4495 ata_raid_subdisk_attach(device_t dev)
4496 {
4497 struct ata_raid_subdisk *ars = device_get_softc(dev);
4498 int volume;
4499
4500 for (volume = 0; volume < MAX_VOLUMES; volume++) {
4501 ars->raid[volume] = NULL;
4502 ars->disk_number[volume] = -1;
4503 }
4504 ata_raid_read_metadata(dev);
4505 return 0;
4506 }
4507
4508 static int
4509 ata_raid_subdisk_detach(device_t dev)
4510 {
4511 struct ata_raid_subdisk *ars = device_get_softc(dev);
4512 int volume;
4513
4514 for (volume = 0; volume < MAX_VOLUMES; volume++) {
4515 if (ars->raid[volume]) {
4516 ars->raid[volume]->disks[ars->disk_number[volume]].flags &=
4517 ~(AR_DF_PRESENT | AR_DF_ONLINE);
4518 ars->raid[volume]->disks[ars->disk_number[volume]].dev = NULL;
4519 if (mtx_initialized(&ars->raid[volume]->lock))
4520 ata_raid_config_changed(ars->raid[volume], 1);
4521 ars->raid[volume] = NULL;
4522 ars->disk_number[volume] = -1;
4523 }
4524 }
4525 return 0;
4526 }
4527
4528 static device_method_t ata_raid_sub_methods[] = {
4529 /* device interface */
4530 DEVMETHOD(device_probe, ata_raid_subdisk_probe),
4531 DEVMETHOD(device_attach, ata_raid_subdisk_attach),
4532 DEVMETHOD(device_detach, ata_raid_subdisk_detach),
4533 { 0, 0 }
4534 };
4535
4536 static driver_t ata_raid_sub_driver = {
4537 "subdisk",
4538 ata_raid_sub_methods,
4539 sizeof(struct ata_raid_subdisk)
4540 };
4541
4542 DRIVER_MODULE(subdisk, ad, ata_raid_sub_driver, ata_raid_sub_devclass, NULL, NULL);
4543
4544 static int
4545 ata_raid_module_event_handler(module_t mod, int what, void *arg)
4546 {
4547 int i;
4548
4549 switch (what) {
4550 case MOD_LOAD:
4551 if (testing || bootverbose)
4552 printf("ATA PseudoRAID loaded\n");
4553 #if 0
4554 /* setup table to hold metadata for all ATA PseudoRAID arrays */
4555 ata_raid_arrays = malloc(sizeof(struct ar_soft *) * MAX_ARRAYS,
4556 M_AR, M_NOWAIT | M_ZERO);
4557 if (!ata_raid_arrays) {
4558 printf("ataraid: no memory for metadata storage\n");
4559 return ENOMEM;
4560 }
4561 #endif
4562 /* attach found PseudoRAID arrays */
4563 for (i = 0; i < MAX_ARRAYS; i++) {
4564 struct ar_softc *rdp = ata_raid_arrays[i];
4565
4566 if (!rdp || !rdp->format)
4567 continue;
4568 if (testing || bootverbose)
4569 ata_raid_print_meta(rdp);
4570 ata_raid_attach(rdp, 0);
4571 }
4572 ata_raid_ioctl_func = ata_raid_ioctl;
4573 return 0;
4574
4575 case MOD_UNLOAD:
4576 /* detach found PseudoRAID arrays */
4577 for (i = 0; i < MAX_ARRAYS; i++) {
4578 struct ar_softc *rdp = ata_raid_arrays[i];
4579
4580 if (!rdp || !rdp->status)
4581 continue;
4582 if (mtx_initialized(&rdp->lock))
4583 mtx_destroy(&rdp->lock);
4584 if (rdp->disk)
4585 disk_destroy(rdp->disk);
4586 }
4587 if (testing || bootverbose)
4588 printf("ATA PseudoRAID unloaded\n");
4589 #if 0
4590 free(ata_raid_arrays, M_AR);
4591 #endif
4592 ata_raid_ioctl_func = NULL;
4593 return 0;
4594
4595 default:
4596 return EOPNOTSUPP;
4597 }
4598 }
4599
4600 static moduledata_t ata_raid_moduledata =
4601 { "ataraid", ata_raid_module_event_handler, NULL };
4602 DECLARE_MODULE(ata, ata_raid_moduledata, SI_SUB_RAID, SI_ORDER_FIRST);
4603 MODULE_VERSION(ataraid, 1);
4604 MODULE_DEPEND(ataraid, ata, 1, 1, 1);
4605 MODULE_DEPEND(ataraid, ad, 1, 1, 1);
4606
4607 static char *
4608 ata_raid_format(struct ar_softc *rdp)
4609 {
4610 switch (rdp->format) {
4611 case AR_F_FREEBSD_RAID: return "FreeBSD PseudoRAID";
4612 case AR_F_ADAPTEC_RAID: return "Adaptec HostRAID";
4613 case AR_F_DDF_RAID: return "DDF";
4614 case AR_F_HPTV2_RAID: return "HighPoint v2 RocketRAID";
4615 case AR_F_HPTV3_RAID: return "HighPoint v3 RocketRAID";
4616 case AR_F_INTEL_RAID: return "Intel MatrixRAID";
4617 case AR_F_ITE_RAID: return "Integrated Technology Express";
4618 case AR_F_JMICRON_RAID: return "JMicron Technology Corp";
4619 case AR_F_LSIV2_RAID: return "LSILogic v2 MegaRAID";
4620 case AR_F_LSIV3_RAID: return "LSILogic v3 MegaRAID";
4621 case AR_F_NVIDIA_RAID: return "nVidia MediaShield";
4622 case AR_F_PROMISE_RAID: return "Promise Fasttrak";
4623 case AR_F_SII_RAID: return "Silicon Image Medley";
4624 case AR_F_SIS_RAID: return "Silicon Integrated Systems";
4625 case AR_F_VIA_RAID: return "VIA Tech V-RAID";
4626 default: return "UNKNOWN";
4627 }
4628 }
4629
4630 static char *
4631 ata_raid_type(struct ar_softc *rdp)
4632 {
4633 switch (rdp->type) {
4634 case AR_T_JBOD: return "JBOD";
4635 case AR_T_SPAN: return "SPAN";
4636 case AR_T_RAID0: return "RAID0";
4637 case AR_T_RAID1: return "RAID1";
4638 case AR_T_RAID3: return "RAID3";
4639 case AR_T_RAID4: return "RAID4";
4640 case AR_T_RAID5: return "RAID5";
4641 case AR_T_RAID01: return "RAID0+1";
4642 default: return "UNKNOWN";
4643 }
4644 }
4645
4646 static char *
4647 ata_raid_flags(struct ar_softc *rdp)
4648 {
4649 switch (rdp->status & (AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING)) {
4650 case AR_S_READY: return "READY";
4651 case AR_S_READY | AR_S_DEGRADED: return "DEGRADED";
4652 case AR_S_READY | AR_S_REBUILDING:
4653 case AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING: return "REBUILDING";
4654 default: return "BROKEN";
4655 }
4656 }
4657
4658 /* debugging gunk */
4659 static void
4660 ata_raid_print_meta(struct ar_softc *raid)
4661 {
4662 int i;
4663
4664 printf("********** ATA PseudoRAID ar%d Metadata **********\n", raid->lun);
4665 printf("=================================================\n");
4666 printf("format %s\n", ata_raid_format(raid));
4667 printf("type %s\n", ata_raid_type(raid));
4668 printf("flags 0x%02x %b\n", raid->status, raid->status,
4669 "\2\3REBUILDING\2DEGRADED\1READY\n");
4670 printf("magic_0 0x%016jx\n", raid->magic_0);
4671 printf("magic_1 0x%016jx\n",raid->magic_1);
4672 printf("generation %u\n", raid->generation);
4673 printf("total_sectors %ju\n", raid->total_sectors);
4674 printf("offset_sectors %ju\n", raid->offset_sectors);
4675 printf("heads %u\n", raid->heads);
4676 printf("sectors %u\n", raid->sectors);
4677 printf("cylinders %u\n", raid->cylinders);
4678 printf("width %u\n", raid->width);
4679 printf("interleave %u\n", raid->interleave);
4680 printf("total_disks %u\n", raid->total_disks);
4681 for (i = 0; i < raid->total_disks; i++) {
4682 printf(" disk %d: flags = 0x%02x %b\n", i, raid->disks[i].flags,
4683 raid->disks[i].flags, "\2\4ONLINE\3SPARE\2ASSIGNED\1PRESENT\n");
4684 if (raid->disks[i].dev) {
4685 printf(" ");
4686 device_printf(raid->disks[i].dev, " sectors %jd\n",
4687 raid->disks[i].sectors);
4688 }
4689 }
4690 printf("=================================================\n");
4691 }
4692
4693 static char *
4694 ata_raid_adaptec_type(int type)
4695 {
4696 static char buffer[16];
4697
4698 switch (type) {
4699 case ADP_T_RAID0: return "RAID0";
4700 case ADP_T_RAID1: return "RAID1";
4701 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
4702 return buffer;
4703 }
4704 }
4705
4706 static void
4707 ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta)
4708 {
4709 int i;
4710
4711 printf("********* ATA Adaptec HostRAID Metadata *********\n");
4712 printf("magic_0 <0x%08x>\n", be32toh(meta->magic_0));
4713 printf("generation 0x%08x\n", be32toh(meta->generation));
4714 printf("dummy_0 0x%04x\n", be16toh(meta->dummy_0));
4715 printf("total_configs %u\n", be16toh(meta->total_configs));
4716 printf("dummy_1 0x%04x\n", be16toh(meta->dummy_1));
4717 printf("checksum 0x%04x\n", be16toh(meta->checksum));
4718 printf("dummy_2 0x%08x\n", be32toh(meta->dummy_2));
4719 printf("dummy_3 0x%08x\n", be32toh(meta->dummy_3));
4720 printf("flags 0x%08x\n", be32toh(meta->flags));
4721 printf("timestamp 0x%08x\n", be32toh(meta->timestamp));
4722 printf("dummy_4 0x%08x 0x%08x 0x%08x 0x%08x\n",
4723 be32toh(meta->dummy_4[0]), be32toh(meta->dummy_4[1]),
4724 be32toh(meta->dummy_4[2]), be32toh(meta->dummy_4[3]));
4725 printf("dummy_5 0x%08x 0x%08x 0x%08x 0x%08x\n",
4726 be32toh(meta->dummy_5[0]), be32toh(meta->dummy_5[1]),
4727 be32toh(meta->dummy_5[2]), be32toh(meta->dummy_5[3]));
4728
4729 for (i = 0; i < be16toh(meta->total_configs); i++) {
4730 printf(" %d total_disks %u\n", i,
4731 be16toh(meta->configs[i].disk_number));
4732 printf(" %d generation %u\n", i,
4733 be16toh(meta->configs[i].generation));
4734 printf(" %d magic_0 0x%08x\n", i,
4735 be32toh(meta->configs[i].magic_0));
4736 printf(" %d dummy_0 0x%02x\n", i, meta->configs[i].dummy_0);
4737 printf(" %d type %s\n", i,
4738 ata_raid_adaptec_type(meta->configs[i].type));
4739 printf(" %d dummy_1 0x%02x\n", i, meta->configs[i].dummy_1);
4740 printf(" %d flags %d\n", i,
4741 be32toh(meta->configs[i].flags));
4742 printf(" %d dummy_2 0x%02x\n", i, meta->configs[i].dummy_2);
4743 printf(" %d dummy_3 0x%02x\n", i, meta->configs[i].dummy_3);
4744 printf(" %d dummy_4 0x%02x\n", i, meta->configs[i].dummy_4);
4745 printf(" %d dummy_5 0x%02x\n", i, meta->configs[i].dummy_5);
4746 printf(" %d disk_number %u\n", i,
4747 be32toh(meta->configs[i].disk_number));
4748 printf(" %d dummy_6 0x%08x\n", i,
4749 be32toh(meta->configs[i].dummy_6));
4750 printf(" %d sectors %u\n", i,
4751 be32toh(meta->configs[i].sectors));
4752 printf(" %d stripe_shift %u\n", i,
4753 be16toh(meta->configs[i].stripe_shift));
4754 printf(" %d dummy_7 0x%08x\n", i,
4755 be32toh(meta->configs[i].dummy_7));
4756 printf(" %d dummy_8 0x%08x 0x%08x 0x%08x 0x%08x\n", i,
4757 be32toh(meta->configs[i].dummy_8[0]),
4758 be32toh(meta->configs[i].dummy_8[1]),
4759 be32toh(meta->configs[i].dummy_8[2]),
4760 be32toh(meta->configs[i].dummy_8[3]));
4761 printf(" %d name <%s>\n", i, meta->configs[i].name);
4762 }
4763 printf("magic_1 <0x%08x>\n", be32toh(meta->magic_1));
4764 printf("magic_2 <0x%08x>\n", be32toh(meta->magic_2));
4765 printf("magic_3 <0x%08x>\n", be32toh(meta->magic_3));
4766 printf("magic_4 <0x%08x>\n", be32toh(meta->magic_4));
4767 printf("=================================================\n");
4768 }
4769
4770 static void
4771 ata_raid_ddf_print_meta(uint8_t *meta)
4772 {
4773 struct ddf_header *hdr;
4774 struct ddf_cd_record *cd;
4775 struct ddf_pd_record *pdr;
4776 struct ddf_pd_entry *pde;
4777 struct ddf_vd_record *vdr;
4778 struct ddf_vd_entry *vde;
4779 struct ddf_pdd_record *pdd;
4780 uint64_t (*ddf64toh)(uint64_t) = NULL;
4781 uint32_t (*ddf32toh)(uint32_t) = NULL;
4782 uint16_t (*ddf16toh)(uint16_t) = NULL;
4783 uint8_t *cr;
4784 char *r;
4785
4786 /* Check if this is a DDF RAID struct */
4787 hdr = (struct ddf_header *)meta;
4788 if (be32toh(hdr->Signature) == DDF_HEADER_SIGNATURE) {
4789 ddf64toh = ddfbe64toh;
4790 ddf32toh = ddfbe32toh;
4791 ddf16toh = ddfbe16toh;
4792 } else {
4793 ddf64toh = ddfle64toh;
4794 ddf32toh = ddfle32toh;
4795 ddf16toh = ddfle16toh;
4796 }
4797
4798 hdr = (struct ddf_header*)meta;
4799 cd = (struct ddf_cd_record*)(meta + ddf32toh(hdr->cd_section) *DEV_BSIZE);
4800 pdr = (struct ddf_pd_record*)(meta + ddf32toh(hdr->pdr_section)*DEV_BSIZE);
4801 vdr = (struct ddf_vd_record*)(meta + ddf32toh(hdr->vdr_section)*DEV_BSIZE);
4802 cr = (uint8_t *)(meta + ddf32toh(hdr->cr_section) * DEV_BSIZE);
4803 pdd = (struct ddf_pdd_record*)(meta + ddf32toh(hdr->pdd_section)*DEV_BSIZE);
4804 pde = NULL;
4805 vde = NULL;
4806
4807 printf("********* ATA DDF Metadata *********\n");
4808 printf("**** Header ****\n");
4809 r = (char *)&hdr->DDF_rev[0];
4810 printf("DDF_rev= %8.8s Sequence_Number= 0x%x Open_Flag= 0x%x\n", r,
4811 ddf32toh(hdr->Sequence_Number), hdr->Open_Flag);
4812 printf("Primary Header LBA= %llu Header_Type = 0x%x\n",
4813 (unsigned long long)ddf64toh(hdr->Primary_Header_LBA),
4814 hdr->Header_Type);
4815 printf("Max_PD_Entries= %d Max_VD_Entries= %d Max_Partitions= %d "
4816 "CR_Length= %d\n", ddf16toh(hdr->Max_PD_Entries),
4817 ddf16toh(hdr->Max_VD_Entries), ddf16toh(hdr->Max_Partitions),
4818 ddf16toh(hdr->Configuration_Record_Length));
4819 printf("CD= %d:%d PDR= %d:%d VDR= %d:%d CR= %d:%d PDD= %d%d\n",
4820 ddf32toh(hdr->cd_section), ddf32toh(hdr->cd_length),
4821 ddf32toh(hdr->pdr_section), ddf32toh(hdr->pdr_length),
4822 ddf32toh(hdr->vdr_section), ddf32toh(hdr->vdr_length),
4823 ddf32toh(hdr->cr_section), ddf32toh(hdr->cr_length),
4824 ddf32toh(hdr->pdd_section), ddf32toh(hdr->pdd_length));
4825 printf("**** Controler Data ****\n");
4826 r = (char *)&cd->Product_ID[0];
4827 printf("Product_ID: %16.16s\n", r);
4828 printf("Vendor 0x%x, Device 0x%x, SubVendor 0x%x, Sub_Device 0x%x\n",
4829 ddf16toh(cd->Controller_Type.Vendor_ID),
4830 ddf16toh(cd->Controller_Type.Device_ID),
4831 ddf16toh(cd->Controller_Type.SubVendor_ID),
4832 ddf16toh(cd->Controller_Type.SubDevice_ID));
4833 }
4834
4835 static char *
4836 ata_raid_hptv2_type(int type)
4837 {
4838 static char buffer[16];
4839
4840 switch (type) {
4841 case HPTV2_T_RAID0: return "RAID0";
4842 case HPTV2_T_RAID1: return "RAID1";
4843 case HPTV2_T_RAID01_RAID0: return "RAID01_RAID0";
4844 case HPTV2_T_SPAN: return "SPAN";
4845 case HPTV2_T_RAID_3: return "RAID3";
4846 case HPTV2_T_RAID_5: return "RAID5";
4847 case HPTV2_T_JBOD: return "JBOD";
4848 case HPTV2_T_RAID01_RAID1: return "RAID01_RAID1";
4849 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
4850 return buffer;
4851 }
4852 }
4853
4854 static void
4855 ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta)
4856 {
4857 int i;
4858
4859 printf("****** ATA Highpoint V2 RocketRAID Metadata *****\n");
4860 printf("magic 0x%08x\n", meta->magic);
4861 printf("magic_0 0x%08x\n", meta->magic_0);
4862 printf("magic_1 0x%08x\n", meta->magic_1);
4863 printf("order 0x%08x\n", meta->order);
4864 printf("array_width %u\n", meta->array_width);
4865 printf("stripe_shift %u\n", meta->stripe_shift);
4866 printf("type %s\n", ata_raid_hptv2_type(meta->type));
4867 printf("disk_number %u\n", meta->disk_number);
4868 printf("total_sectors %u\n", meta->total_sectors);
4869 printf("disk_mode 0x%08x\n", meta->disk_mode);
4870 printf("boot_mode 0x%08x\n", meta->boot_mode);
4871 printf("boot_disk 0x%02x\n", meta->boot_disk);
4872 printf("boot_protect 0x%02x\n", meta->boot_protect);
4873 printf("log_entries 0x%02x\n", meta->error_log_entries);
4874 printf("log_index 0x%02x\n", meta->error_log_index);
4875 if (meta->error_log_entries) {
4876 printf(" timestamp reason disk status sectors lba\n");
4877 for (i = meta->error_log_index;
4878 i < meta->error_log_index + meta->error_log_entries; i++)
4879 printf(" 0x%08x 0x%02x 0x%02x 0x%02x 0x%02x 0x%08x\n",
4880 meta->errorlog[i%32].timestamp,
4881 meta->errorlog[i%32].reason,
4882 meta->errorlog[i%32].disk, meta->errorlog[i%32].status,
4883 meta->errorlog[i%32].sectors, meta->errorlog[i%32].lba);
4884 }
4885 printf("rebuild_lba 0x%08x\n", meta->rebuild_lba);
4886 printf("dummy_1 0x%02x\n", meta->dummy_1);
4887 printf("name_1 <%.15s>\n", meta->name_1);
4888 printf("dummy_2 0x%02x\n", meta->dummy_2);
4889 printf("name_2 <%.15s>\n", meta->name_2);
4890 printf("=================================================\n");
4891 }
4892
4893 static char *
4894 ata_raid_hptv3_type(int type)
4895 {
4896 static char buffer[16];
4897
4898 switch (type) {
4899 case HPTV3_T_SPARE: return "SPARE";
4900 case HPTV3_T_JBOD: return "JBOD";
4901 case HPTV3_T_SPAN: return "SPAN";
4902 case HPTV3_T_RAID0: return "RAID0";
4903 case HPTV3_T_RAID1: return "RAID1";
4904 case HPTV3_T_RAID3: return "RAID3";
4905 case HPTV3_T_RAID5: return "RAID5";
4906 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
4907 return buffer;
4908 }
4909 }
4910
4911 static void
4912 ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta)
4913 {
4914 int i;
4915
4916 printf("****** ATA Highpoint V3 RocketRAID Metadata *****\n");
4917 printf("magic 0x%08x\n", meta->magic);
4918 printf("magic_0 0x%08x\n", meta->magic_0);
4919 printf("checksum_0 0x%02x\n", meta->checksum_0);
4920 printf("mode 0x%02x\n", meta->mode);
4921 printf("user_mode 0x%02x\n", meta->user_mode);
4922 printf("config_entries 0x%02x\n", meta->config_entries);
4923 for (i = 0; i < meta->config_entries; i++) {
4924 printf("config %d:\n", i);
4925 printf(" total_sectors %ju\n",
4926 meta->configs[0].total_sectors +
4927 ((u_int64_t)meta->configs_high[0].total_sectors << 32));
4928 printf(" type %s\n",
4929 ata_raid_hptv3_type(meta->configs[i].type));
4930 printf(" total_disks %u\n", meta->configs[i].total_disks);
4931 printf(" disk_number %u\n", meta->configs[i].disk_number);
4932 printf(" stripe_shift %u\n", meta->configs[i].stripe_shift);
4933 printf(" status %b\n", meta->configs[i].status,
4934 "\2\2RAID5\1NEED_REBUILD\n");
4935 printf(" critical_disks %u\n", meta->configs[i].critical_disks);
4936 printf(" rebuild_lba %ju\n",
4937 meta->configs_high[0].rebuild_lba +
4938 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32));
4939 }
4940 printf("name <%.16s>\n", meta->name);
4941 printf("timestamp 0x%08x\n", meta->timestamp);
4942 printf("description <%.16s>\n", meta->description);
4943 printf("creator <%.16s>\n", meta->creator);
4944 printf("checksum_1 0x%02x\n", meta->checksum_1);
4945 printf("dummy_0 0x%02x\n", meta->dummy_0);
4946 printf("dummy_1 0x%02x\n", meta->dummy_1);
4947 printf("flags %b\n", meta->flags,
4948 "\2\4RCACHE\3WCACHE\2NCQ\1TCQ\n");
4949 printf("=================================================\n");
4950 }
4951
4952 static char *
4953 ata_raid_intel_type(int type)
4954 {
4955 static char buffer[16];
4956
4957 switch (type) {
4958 case INTEL_T_RAID0: return "RAID0";
4959 case INTEL_T_RAID1: return "RAID1";
4960 case INTEL_T_RAID5: return "RAID5";
4961 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
4962 return buffer;
4963 }
4964 }
4965
4966 static void
4967 ata_raid_intel_print_meta(struct intel_raid_conf *meta)
4968 {
4969 struct intel_raid_mapping *map;
4970 int i, j;
4971
4972 printf("********* ATA Intel MatrixRAID Metadata *********\n");
4973 printf("intel_id <%.24s>\n", meta->intel_id);
4974 printf("version <%.6s>\n", meta->version);
4975 printf("checksum 0x%08x\n", meta->checksum);
4976 printf("config_size 0x%08x\n", meta->config_size);
4977 printf("config_id 0x%08x\n", meta->config_id);
4978 printf("generation 0x%08x\n", meta->generation);
4979 printf("total_disks %u\n", meta->total_disks);
4980 printf("total_volumes %u\n", meta->total_volumes);
4981 printf("DISK# serial disk_sectors disk_id flags\n");
4982 for (i = 0; i < meta->total_disks; i++ ) {
4983 printf(" %d <%.16s> %u 0x%08x 0x%08x\n", i,
4984 meta->disk[i].serial, meta->disk[i].sectors,
4985 meta->disk[i].id, meta->disk[i].flags);
4986 }
4987 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks];
4988 for (j = 0; j < meta->total_volumes; j++) {
4989 printf("name %.16s\n", map->name);
4990 printf("total_sectors %ju\n", map->total_sectors);
4991 printf("state %u\n", map->state);
4992 printf("reserved %u\n", map->reserved);
4993 printf("offset %u\n", map->offset);
4994 printf("disk_sectors %u\n", map->disk_sectors);
4995 printf("stripe_count %u\n", map->stripe_count);
4996 printf("stripe_sectors %u\n", map->stripe_sectors);
4997 printf("status %u\n", map->status);
4998 printf("type %s\n", ata_raid_intel_type(map->type));
4999 printf("total_disks %u\n", map->total_disks);
5000 printf("magic[0] 0x%02x\n", map->magic[0]);
5001 printf("magic[1] 0x%02x\n", map->magic[1]);
5002 printf("magic[2] 0x%02x\n", map->magic[2]);
5003 for (i = 0; i < map->total_disks; i++ ) {
5004 printf(" disk %d at disk_idx 0x%08x\n", i, map->disk_idx[i]);
5005 }
5006 map = (struct intel_raid_mapping *)&map->disk_idx[map->total_disks];
5007 }
5008 printf("=================================================\n");
5009 }
5010
5011 static char *
5012 ata_raid_ite_type(int type)
5013 {
5014 static char buffer[16];
5015
5016 switch (type) {
5017 case ITE_T_RAID0: return "RAID0";
5018 case ITE_T_RAID1: return "RAID1";
5019 case ITE_T_RAID01: return "RAID0+1";
5020 case ITE_T_SPAN: return "SPAN";
5021 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
5022 return buffer;
5023 }
5024 }
5025
5026 static void
5027 ata_raid_ite_print_meta(struct ite_raid_conf *meta)
5028 {
5029 printf("*** ATA Integrated Technology Express Metadata **\n");
5030 printf("ite_id <%.40s>\n", meta->ite_id);
5031 printf("timestamp_0 %04x/%02x/%02x %02x:%02x:%02x.%02x\n",
5032 *((u_int16_t *)meta->timestamp_0), meta->timestamp_0[2],
5033 meta->timestamp_0[3], meta->timestamp_0[5], meta->timestamp_0[4],
5034 meta->timestamp_0[7], meta->timestamp_0[6]);
5035 printf("total_sectors %jd\n", meta->total_sectors);
5036 printf("type %s\n", ata_raid_ite_type(meta->type));
5037 printf("stripe_1kblocks %u\n", meta->stripe_1kblocks);
5038 printf("timestamp_1 %04x/%02x/%02x %02x:%02x:%02x.%02x\n",
5039 *((u_int16_t *)meta->timestamp_1), meta->timestamp_1[2],
5040 meta->timestamp_1[3], meta->timestamp_1[5], meta->timestamp_1[4],
5041 meta->timestamp_1[7], meta->timestamp_1[6]);
5042 printf("stripe_sectors %u\n", meta->stripe_sectors);
5043 printf("array_width %u\n", meta->array_width);
5044 printf("disk_number %u\n", meta->disk_number);
5045 printf("disk_sectors %u\n", meta->disk_sectors);
5046 printf("=================================================\n");
5047 }
5048
5049 static char *
5050 ata_raid_jmicron_type(int type)
5051 {
5052 static char buffer[16];
5053
5054 switch (type) {
5055 case JM_T_RAID0: return "RAID0";
5056 case JM_T_RAID1: return "RAID1";
5057 case JM_T_RAID01: return "RAID0+1";
5058 case JM_T_JBOD: return "JBOD";
5059 case JM_T_RAID5: return "RAID5";
5060 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
5061 return buffer;
5062 }
5063 }
5064
5065 static void
5066 ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta)
5067 {
5068 int i;
5069
5070 printf("***** ATA JMicron Technology Corp Metadata ******\n");
5071 printf("signature %.2s\n", meta->signature);
5072 printf("version 0x%04x\n", meta->version);
5073 printf("checksum 0x%04x\n", meta->checksum);
5074 printf("disk_id 0x%08x\n", meta->disk_id);
5075 printf("offset 0x%08x\n", meta->offset);
5076 printf("disk_sectors_low 0x%08x\n", meta->disk_sectors_low);
5077 printf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high);
5078 printf("name %.16s\n", meta->name);
5079 printf("type %s\n", ata_raid_jmicron_type(meta->type));
5080 printf("stripe_shift %d\n", meta->stripe_shift);
5081 printf("flags 0x%04x\n", meta->flags);
5082 printf("spare:\n");
5083 for (i=0; i < 2 && meta->spare[i]; i++)
5084 printf(" %d 0x%08x\n", i, meta->spare[i]);
5085 printf("disks:\n");
5086 for (i=0; i < 8 && meta->disks[i]; i++)
5087 printf(" %d 0x%08x\n", i, meta->disks[i]);
5088 printf("=================================================\n");
5089 }
5090
5091 static char *
5092 ata_raid_lsiv2_type(int type)
5093 {
5094 static char buffer[16];
5095
5096 switch (type) {
5097 case LSIV2_T_RAID0: return "RAID0";
5098 case LSIV2_T_RAID1: return "RAID1";
5099 case LSIV2_T_SPARE: return "SPARE";
5100 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
5101 return buffer;
5102 }
5103 }
5104
5105 static void
5106 ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta)
5107 {
5108 int i;
5109
5110 printf("******* ATA LSILogic V2 MegaRAID Metadata *******\n");
5111 printf("lsi_id <%s>\n", meta->lsi_id);
5112 printf("dummy_0 0x%02x\n", meta->dummy_0);
5113 printf("flags 0x%02x\n", meta->flags);
5114 printf("version 0x%04x\n", meta->version);
5115 printf("config_entries 0x%02x\n", meta->config_entries);
5116 printf("raid_count 0x%02x\n", meta->raid_count);
5117 printf("total_disks 0x%02x\n", meta->total_disks);
5118 printf("dummy_1 0x%02x\n", meta->dummy_1);
5119 printf("dummy_2 0x%04x\n", meta->dummy_2);
5120 for (i = 0; i < meta->config_entries; i++) {
5121 printf(" type %s\n",
5122 ata_raid_lsiv2_type(meta->configs[i].raid.type));
5123 printf(" dummy_0 %02x\n", meta->configs[i].raid.dummy_0);
5124 printf(" stripe_sectors %u\n",
5125 meta->configs[i].raid.stripe_sectors);
5126 printf(" array_width %u\n",
5127 meta->configs[i].raid.array_width);
5128 printf(" disk_count %u\n", meta->configs[i].raid.disk_count);
5129 printf(" config_offset %u\n",
5130 meta->configs[i].raid.config_offset);
5131 printf(" dummy_1 %u\n", meta->configs[i].raid.dummy_1);
5132 printf(" flags %02x\n", meta->configs[i].raid.flags);
5133 printf(" total_sectors %u\n",
5134 meta->configs[i].raid.total_sectors);
5135 }
5136 printf("disk_number 0x%02x\n", meta->disk_number);
5137 printf("raid_number 0x%02x\n", meta->raid_number);
5138 printf("timestamp 0x%08x\n", meta->timestamp);
5139 printf("=================================================\n");
5140 }
5141
5142 static char *
5143 ata_raid_lsiv3_type(int type)
5144 {
5145 static char buffer[16];
5146
5147 switch (type) {
5148 case LSIV3_T_RAID0: return "RAID0";
5149 case LSIV3_T_RAID1: return "RAID1";
5150 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
5151 return buffer;
5152 }
5153 }
5154
5155 static void
5156 ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta)
5157 {
5158 int i;
5159
5160 printf("******* ATA LSILogic V3 MegaRAID Metadata *******\n");
5161 printf("lsi_id <%.6s>\n", meta->lsi_id);
5162 printf("dummy_0 0x%04x\n", meta->dummy_0);
5163 printf("version 0x%04x\n", meta->version);
5164 printf("dummy_0 0x%04x\n", meta->dummy_1);
5165 printf("RAID configs:\n");
5166 for (i = 0; i < 8; i++) {
5167 if (meta->raid[i].total_disks) {
5168 printf("%02d stripe_pages %u\n", i,
5169 meta->raid[i].stripe_pages);
5170 printf("%02d type %s\n", i,
5171 ata_raid_lsiv3_type(meta->raid[i].type));
5172 printf("%02d total_disks %u\n", i,
5173 meta->raid[i].total_disks);
5174 printf("%02d array_width %u\n", i,
5175 meta->raid[i].array_width);
5176 printf("%02d sectors %u\n", i, meta->raid[i].sectors);
5177 printf("%02d offset %u\n", i, meta->raid[i].offset);
5178 printf("%02d device 0x%02x\n", i,
5179 meta->raid[i].device);
5180 }
5181 }
5182 printf("DISK configs:\n");
5183 for (i = 0; i < 6; i++) {
5184 if (meta->disk[i].disk_sectors) {
5185 printf("%02d disk_sectors %u\n", i,
5186 meta->disk[i].disk_sectors);
5187 printf("%02d flags 0x%02x\n", i, meta->disk[i].flags);
5188 }
5189 }
5190 printf("device 0x%02x\n", meta->device);
5191 printf("timestamp 0x%08x\n", meta->timestamp);
5192 printf("checksum_1 0x%02x\n", meta->checksum_1);
5193 printf("=================================================\n");
5194 }
5195
5196 static char *
5197 ata_raid_nvidia_type(int type)
5198 {
5199 static char buffer[16];
5200
5201 switch (type) {
5202 case NV_T_SPAN: return "SPAN";
5203 case NV_T_RAID0: return "RAID0";
5204 case NV_T_RAID1: return "RAID1";
5205 case NV_T_RAID3: return "RAID3";
5206 case NV_T_RAID5: return "RAID5";
5207 case NV_T_RAID01: return "RAID0+1";
5208 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
5209 return buffer;
5210 }
5211 }
5212
5213 static void
5214 ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta)
5215 {
5216 printf("******** ATA nVidia MediaShield Metadata ********\n");
5217 printf("nvidia_id <%.8s>\n", meta->nvidia_id);
5218 printf("config_size %d\n", meta->config_size);
5219 printf("checksum 0x%08x\n", meta->checksum);
5220 printf("version 0x%04x\n", meta->version);
5221 printf("disk_number %d\n", meta->disk_number);
5222 printf("dummy_0 0x%02x\n", meta->dummy_0);
5223 printf("total_sectors %d\n", meta->total_sectors);
5224 printf("sectors_size %d\n", meta->sector_size);
5225 printf("serial %.16s\n", meta->serial);
5226 printf("revision %.4s\n", meta->revision);
5227 printf("dummy_1 0x%08x\n", meta->dummy_1);
5228 printf("magic_0 0x%08x\n", meta->magic_0);
5229 printf("magic_1 0x%016jx\n", meta->magic_1);
5230 printf("magic_2 0x%016jx\n", meta->magic_2);
5231 printf("flags 0x%02x\n", meta->flags);
5232 printf("array_width %d\n", meta->array_width);
5233 printf("total_disks %d\n", meta->total_disks);
5234 printf("dummy_2 0x%02x\n", meta->dummy_2);
5235 printf("type %s\n", ata_raid_nvidia_type(meta->type));
5236 printf("dummy_3 0x%04x\n", meta->dummy_3);
5237 printf("stripe_sectors %d\n", meta->stripe_sectors);
5238 printf("stripe_bytes %d\n", meta->stripe_bytes);
5239 printf("stripe_shift %d\n", meta->stripe_shift);
5240 printf("stripe_mask 0x%08x\n", meta->stripe_mask);
5241 printf("stripe_sizesectors %d\n", meta->stripe_sizesectors);
5242 printf("stripe_sizebytes %d\n", meta->stripe_sizebytes);
5243 printf("rebuild_lba %d\n", meta->rebuild_lba);
5244 printf("dummy_4 0x%08x\n", meta->dummy_4);
5245 printf("dummy_5 0x%08x\n", meta->dummy_5);
5246 printf("status 0x%08x\n", meta->status);
5247 printf("=================================================\n");
5248 }
5249
5250 static char *
5251 ata_raid_promise_type(int type)
5252 {
5253 static char buffer[16];
5254
5255 switch (type) {
5256 case PR_T_RAID0: return "RAID0";
5257 case PR_T_RAID1: return "RAID1";
5258 case PR_T_RAID3: return "RAID3";
5259 case PR_T_RAID5: return "RAID5";
5260 case PR_T_SPAN: return "SPAN";
5261 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
5262 return buffer;
5263 }
5264 }
5265
5266 static void
5267 ata_raid_promise_print_meta(struct promise_raid_conf *meta)
5268 {
5269 int i;
5270
5271 printf("********* ATA Promise FastTrak Metadata *********\n");
5272 printf("promise_id <%s>\n", meta->promise_id);
5273 printf("dummy_0 0x%08x\n", meta->dummy_0);
5274 printf("magic_0 0x%016jx\n", meta->magic_0);
5275 printf("magic_1 0x%04x\n", meta->magic_1);
5276 printf("magic_2 0x%08x\n", meta->magic_2);
5277 printf("integrity 0x%08x %b\n", meta->raid.integrity,
5278 meta->raid.integrity, "\2\10VALID\n" );
5279 printf("flags 0x%02x %b\n",
5280 meta->raid.flags, meta->raid.flags,
5281 "\2\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE"
5282 "\3ASSIGNED\2ONLINE\1VALID\n");
5283 printf("disk_number %d\n", meta->raid.disk_number);
5284 printf("channel 0x%02x\n", meta->raid.channel);
5285 printf("device 0x%02x\n", meta->raid.device);
5286 printf("magic_0 0x%016jx\n", meta->raid.magic_0);
5287 printf("disk_offset %u\n", meta->raid.disk_offset);
5288 printf("disk_sectors %u\n", meta->raid.disk_sectors);
5289 printf("rebuild_lba 0x%08x\n", meta->raid.rebuild_lba);
5290 printf("generation 0x%04x\n", meta->raid.generation);
5291 printf("status 0x%02x %b\n",
5292 meta->raid.status, meta->raid.status,
5293 "\2\6MARKED\5DEGRADED\4READY\3INITED\2ONLINE\1VALID\n");
5294 printf("type %s\n", ata_raid_promise_type(meta->raid.type));
5295 printf("total_disks %u\n", meta->raid.total_disks);
5296 printf("stripe_shift %u\n", meta->raid.stripe_shift);
5297 printf("array_width %u\n", meta->raid.array_width);
5298 printf("array_number %u\n", meta->raid.array_number);
5299 printf("total_sectors %u\n", meta->raid.total_sectors);
5300 printf("cylinders %u\n", meta->raid.cylinders);
5301 printf("heads %u\n", meta->raid.heads);
5302 printf("sectors %u\n", meta->raid.sectors);
5303 printf("magic_1 0x%016jx\n", meta->raid.magic_1);
5304 printf("DISK# flags dummy_0 channel device magic_0\n");
5305 for (i = 0; i < 8; i++) {
5306 printf(" %d %b 0x%02x 0x%02x 0x%02x ",
5307 i, meta->raid.disk[i].flags,
5308 "\2\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE"
5309 "\3ASSIGNED\2ONLINE\1VALID\n", meta->raid.disk[i].dummy_0,
5310 meta->raid.disk[i].channel, meta->raid.disk[i].device);
5311 printf("0x%016jx\n", meta->raid.disk[i].magic_0);
5312 }
5313 printf("checksum 0x%08x\n", meta->checksum);
5314 printf("=================================================\n");
5315 }
5316
5317 static char *
5318 ata_raid_sii_type(int type)
5319 {
5320 static char buffer[16];
5321
5322 switch (type) {
5323 case SII_T_RAID0: return "RAID0";
5324 case SII_T_RAID1: return "RAID1";
5325 case SII_T_RAID01: return "RAID0+1";
5326 case SII_T_SPARE: return "SPARE";
5327 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
5328 return buffer;
5329 }
5330 }
5331
5332 static void
5333 ata_raid_sii_print_meta(struct sii_raid_conf *meta)
5334 {
5335 printf("******* ATA Silicon Image Medley Metadata *******\n");
5336 printf("total_sectors %ju\n", meta->total_sectors);
5337 printf("dummy_0 0x%04x\n", meta->dummy_0);
5338 printf("dummy_1 0x%04x\n", meta->dummy_1);
5339 printf("controller_pci_id 0x%08x\n", meta->controller_pci_id);
5340 printf("version_minor 0x%04x\n", meta->version_minor);
5341 printf("version_major 0x%04x\n", meta->version_major);
5342 printf("timestamp 20%02x/%02x/%02x %02x:%02x:%02x\n",
5343 meta->timestamp[5], meta->timestamp[4], meta->timestamp[3],
5344 meta->timestamp[2], meta->timestamp[1], meta->timestamp[0]);
5345 printf("stripe_sectors %u\n", meta->stripe_sectors);
5346 printf("dummy_2 0x%04x\n", meta->dummy_2);
5347 printf("disk_number %u\n", meta->disk_number);
5348 printf("type %s\n", ata_raid_sii_type(meta->type));
5349 printf("raid0_disks %u\n", meta->raid0_disks);
5350 printf("raid0_ident %u\n", meta->raid0_ident);
5351 printf("raid1_disks %u\n", meta->raid1_disks);
5352 printf("raid1_ident %u\n", meta->raid1_ident);
5353 printf("rebuild_lba %ju\n", meta->rebuild_lba);
5354 printf("generation 0x%08x\n", meta->generation);
5355 printf("status 0x%02x %b\n",
5356 meta->status, meta->status,
5357 "\2\1READY\n");
5358 printf("base_raid1_position %02x\n", meta->base_raid1_position);
5359 printf("base_raid0_position %02x\n", meta->base_raid0_position);
5360 printf("position %02x\n", meta->position);
5361 printf("dummy_3 %04x\n", meta->dummy_3);
5362 printf("name <%.16s>\n", meta->name);
5363 printf("checksum_0 0x%04x\n", meta->checksum_0);
5364 printf("checksum_1 0x%04x\n", meta->checksum_1);
5365 printf("=================================================\n");
5366 }
5367
5368 static char *
5369 ata_raid_sis_type(int type)
5370 {
5371 static char buffer[16];
5372
5373 switch (type) {
5374 case SIS_T_JBOD: return "JBOD";
5375 case SIS_T_RAID0: return "RAID0";
5376 case SIS_T_RAID1: return "RAID1";
5377 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
5378 return buffer;
5379 }
5380 }
5381
5382 static void
5383 ata_raid_sis_print_meta(struct sis_raid_conf *meta)
5384 {
5385 printf("**** ATA Silicon Integrated Systems Metadata ****\n");
5386 printf("magic 0x%04x\n", meta->magic);
5387 printf("disks 0x%02x\n", meta->disks);
5388 printf("type %s\n",
5389 ata_raid_sis_type(meta->type_total_disks & SIS_T_MASK));
5390 printf("total_disks %u\n", meta->type_total_disks & SIS_D_MASK);
5391 printf("dummy_0 0x%08x\n", meta->dummy_0);
5392 printf("controller_pci_id 0x%08x\n", meta->controller_pci_id);
5393 printf("stripe_sectors %u\n", meta->stripe_sectors);
5394 printf("dummy_1 0x%04x\n", meta->dummy_1);
5395 printf("timestamp 0x%08x\n", meta->timestamp);
5396 printf("model %.40s\n", meta->model);
5397 printf("disk_number %u\n", meta->disk_number);
5398 printf("dummy_2 0x%02x 0x%02x 0x%02x\n",
5399 meta->dummy_2[0], meta->dummy_2[1], meta->dummy_2[2]);
5400 printf("=================================================\n");
5401 }
5402
5403 static char *
5404 ata_raid_via_type(int type)
5405 {
5406 static char buffer[16];
5407
5408 switch (type) {
5409 case VIA_T_RAID0: return "RAID0";
5410 case VIA_T_RAID1: return "RAID1";
5411 case VIA_T_RAID5: return "RAID5";
5412 case VIA_T_RAID01: return "RAID0+1";
5413 case VIA_T_SPAN: return "SPAN";
5414 default: sprintf(buffer, "UNKNOWN 0x%02x", type);
5415 return buffer;
5416 }
5417 }
5418
5419 static void
5420 ata_raid_via_print_meta(struct via_raid_conf *meta)
5421 {
5422 int i;
5423
5424 printf("*************** ATA VIA Metadata ****************\n");
5425 printf("magic 0x%02x\n", meta->magic);
5426 printf("dummy_0 0x%02x\n", meta->dummy_0);
5427 printf("type %s\n",
5428 ata_raid_via_type(meta->type & VIA_T_MASK));
5429 printf("bootable %d\n", meta->type & VIA_T_BOOTABLE);
5430 printf("unknown %d\n", meta->type & VIA_T_UNKNOWN);
5431 printf("disk_index 0x%02x\n", meta->disk_index);
5432 printf("stripe_layout 0x%02x\n", meta->stripe_layout);
5433 printf(" stripe_disks %d\n", meta->stripe_layout & VIA_L_DISKS);
5434 printf(" stripe_sectors %d\n",
5435 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT));
5436 printf("disk_sectors %ju\n", meta->disk_sectors);
5437 printf("disk_id 0x%08x\n", meta->disk_id);
5438 printf("DISK# disk_id\n");
5439 for (i = 0; i < 8; i++) {
5440 if (meta->disks[i])
5441 printf(" %d 0x%08x\n", i, meta->disks[i]);
5442 }
5443 printf("checksum 0x%02x\n", meta->checksum);
5444 printf("=================================================\n");
5445 }
Cache object: e19024243b0ddaac2aed918b5b68e9d6
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