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MFC numerous features from HEAD.
[dragonfly.git] / sys / dev / disk / nata / ata-raid.c
blob87e177e8ca458b44cb739612fe6bdbd30d7ab5ac
1 /*-
2 * Copyright (c) 2000 - 2006 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 * $FreeBSD: src/sys/dev/ata/ata-raid.c,v 1.120 2006/04/15 10:27:41 maxim Exp $
27 * $DragonFly: src/sys/dev/disk/nata/ata-raid.c,v 1.10.2.1 2008/09/25 01:44:55 dillon Exp $
28 */
29
30 #include "opt_ata.h"
31
32 #include <sys/param.h>
33 #include <sys/bio.h>
34 #include <sys/buf.h>
35 #include <sys/buf2.h>
36 #include <sys/bus.h>
37 #include <sys/conf.h>
38 #include <sys/device.h>
39 #include <sys/disk.h>
40 #include <sys/endian.h>
41 #include <sys/libkern.h>
42 #include <sys/malloc.h>
43 #include <sys/module.h>
44 #include <sys/nata.h>
45 #include <sys/spinlock2.h>
46 #include <sys/systm.h>
47
48 #include <vm/pmap.h>
49
50 #include <machine/md_var.h>
51
52 #include <bus/pci/pcivar.h>
53
54 #include "ata-all.h"
55 #include "ata-disk.h"
56 #include "ata-raid.h"
57 #include "ata-pci.h"
58 #include "ata_if.h"
59
60
61 /* device structure */
62 static d_strategy_t ata_raid_strategy;
63 static d_dump_t ata_raid_dump;
64 static struct dev_ops ar_ops = {
65 { "ar", 157, D_DISK },
66 .d_open = nullopen,
67 .d_close = nullclose,
68 .d_read = physread,
69 .d_write = physwrite,
70 .d_strategy = ata_raid_strategy,
71 .d_dump = ata_raid_dump,
72 };
73
74 /* prototypes */
75 static void ata_raid_done(struct ata_request *request);
76 static void ata_raid_config_changed(struct ar_softc *rdp, int writeback);
77 static int ata_raid_status(struct ata_ioc_raid_config *config);
78 static int ata_raid_create(struct ata_ioc_raid_config *config);
79 static int ata_raid_delete(int array);
80 static int ata_raid_addspare(struct ata_ioc_raid_config *config);
81 static int ata_raid_rebuild(int array);
82 static int ata_raid_read_metadata(device_t subdisk);
83 static int ata_raid_write_metadata(struct ar_softc *rdp);
84 static int ata_raid_wipe_metadata(struct ar_softc *rdp);
85 static int ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp);
86 static int ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp);
87 static int ata_raid_hptv2_write_meta(struct ar_softc *rdp);
88 static int ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp);
89 static int ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp);
90 static int ata_raid_intel_write_meta(struct ar_softc *rdp);
91 static int ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp);
92 static int ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp);
93 static int ata_raid_jmicron_write_meta(struct ar_softc *rdp);
94 static int ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp);
95 static int ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp);
96 static int ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp);
97 static int ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native);
98 static int ata_raid_promise_write_meta(struct ar_softc *rdp);
99 static int ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp);
100 static int ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp);
101 static int ata_raid_sis_write_meta(struct ar_softc *rdp);
102 static int ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp);
103 static int ata_raid_via_write_meta(struct ar_softc *rdp);
104 static struct ata_request *ata_raid_init_request(struct ar_softc *rdp, struct bio *bio);
105 static int ata_raid_send_request(struct ata_request *request);
106 static int ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags);
107 static char * ata_raid_format(struct ar_softc *rdp);
108 static char * ata_raid_type(struct ar_softc *rdp);
109 static char * ata_raid_flags(struct ar_softc *rdp);
110
111 /* debugging only */
112 static void ata_raid_print_meta(struct ar_softc *meta);
113 static void ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta);
114 static void ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta);
115 static void ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta);
116 static void ata_raid_intel_print_meta(struct intel_raid_conf *meta);
117 static void ata_raid_ite_print_meta(struct ite_raid_conf *meta);
118 static void ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta);
119 static void ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta);
120 static void ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta);
121 static void ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta);
122 static void ata_raid_promise_print_meta(struct promise_raid_conf *meta);
123 static void ata_raid_sii_print_meta(struct sii_raid_conf *meta);
124 static void ata_raid_sis_print_meta(struct sis_raid_conf *meta);
125 static void ata_raid_via_print_meta(struct via_raid_conf *meta);
126
127 /* internal vars */
128 static struct ar_softc *ata_raid_arrays[MAX_ARRAYS];
129 static MALLOC_DEFINE(M_AR, "ar_driver", "ATA PseudoRAID driver");
130 static devclass_t ata_raid_sub_devclass;
131 static int testing = 0;
132
133 static void
134 ata_raid_attach(struct ar_softc *rdp, int writeback)
135 {
136 struct disk_info info;
137 cdev_t cdev;
138 char buffer[32];
139 int disk;
140
141 spin_init(&rdp->lock);
142 ata_raid_config_changed(rdp, writeback);
143
144 /* sanitize arrays total_size % (width * interleave) == 0 */
145 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 ||
146 rdp->type == AR_T_RAID5) {
147 rdp->total_sectors = (rdp->total_sectors/(rdp->interleave*rdp->width))*
148 (rdp->interleave * rdp->width);
149 ksprintf(buffer, " (stripe %d KB)",
150 (rdp->interleave * DEV_BSIZE) / 1024);
151 }
152 else
153 buffer[0] = '\0';
154 /* XXX TGEN add devstats? */
155 cdev = disk_create(rdp->lun, &rdp->disk, &ar_ops);
156 cdev->si_drv1 = rdp;
157 cdev->si_iosize_max = 128 * DEV_BSIZE;
158 rdp->cdev = cdev;
159
160 bzero(&info, sizeof(info));
161 info.d_media_blksize = DEV_BSIZE; /* mandatory */
162 info.d_media_blocks = rdp->total_sectors;
163
164 info.d_secpertrack = rdp->sectors; /* optional */
165 info.d_nheads = rdp->heads;
166 info.d_ncylinders = rdp->total_sectors/(rdp->heads*rdp->sectors);
167 info.d_secpercyl = rdp->sectors * rdp->heads;
168
169 kprintf("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 kprintf("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 kprintf("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 kprintf("READY ");
186 else if (rdp->disks[disk].flags & AR_DF_SPARE)
187 kprintf("SPARE ");
188 else
189 kprintf("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 kprintf("(master) ");
197 else
198 kprintf("(mirror) ");
199 }
200
201 /* which physical disk is used */
202 kprintf("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 kprintf("DOWN\n");
211 else
212 kprintf("INVALID no RAID config on this subdisk\n");
213 }
214 else
215 kprintf("DOWN no device found for this subdisk\n");
216 }
217
218 disk_setdiskinfo(&rdp->disk, &info);
219 }
220
221 /*
222 * ATA PseudoRAID ioctl function. Note that this does not need to be adjusted
223 * to the dev_ops way, because it's just chained from the generic ata ioctl.
224 */
225 static int
226 ata_raid_ioctl(u_long cmd, caddr_t data)
227 {
228 struct ata_ioc_raid_config *config = (struct ata_ioc_raid_config *)data;
229 int *lun = (int *)data;
230 int error = EOPNOTSUPP;
231
232 switch (cmd) {
233 case IOCATARAIDSTATUS:
234 error = ata_raid_status(config);
235 break;
236
237 case IOCATARAIDCREATE:
238 error = ata_raid_create(config);
239 break;
240
241 case IOCATARAIDDELETE:
242 error = ata_raid_delete(*lun);
243 break;
244
245 case IOCATARAIDADDSPARE:
246 error = ata_raid_addspare(config);
247 break;
248
249 case IOCATARAIDREBUILD:
250 error = ata_raid_rebuild(*lun);
251 break;
252 }
253 return error;
254 }
255
256 static int
257 ata_raid_flush(struct ar_softc *rdp, struct bio *bp)
258 {
259 struct ata_request *request;
260 device_t dev;
261 int disk, error;
262
263 error = 0;
264 bp->bio_driver_info = (void *)0;
265
266 for (disk = 0; disk < rdp->total_disks; disk++) {
267 if ((dev = rdp->disks[disk].dev) != NULL)
268 bp->bio_driver_info = (void *)((intptr_t)bp->bio_driver_info + 1);
269 }
270 for (disk = 0; disk < rdp->total_disks; disk++) {
271 if ((dev = rdp->disks[disk].dev) == NULL)
272 continue;
273 if (!(request = ata_raid_init_request(rdp, bp)))
274 return ENOMEM;
275 request->dev = dev;
276 request->u.ata.command = ATA_FLUSHCACHE;
277 request->u.ata.lba = 0;
278 request->u.ata.count = 0;
279 request->u.ata.feature = 0;
280 request->timeout = 1;
281 request->retries = 0;
282 request->flags |= ATA_R_ORDERED | ATA_R_DIRECT;
283 ata_queue_request(request);
284 }
285 return 0;
286 }
287
288 /*
289 * XXX TGEN there are a lot of offset -> block number conversions going on
290 * here, which is suboptimal.
291 */
292 static int
293 ata_raid_strategy(struct dev_strategy_args *ap)
294 {
295 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1;
296 struct bio *bp = ap->a_bio;
297 struct buf *bbp = bp->bio_buf;
298 struct ata_request *request;
299 caddr_t data;
300 u_int64_t blkno, lba, blk = 0;
301 int count, chunk, drv, par = 0, change = 0;
302
303 if (bbp->b_cmd == BUF_CMD_FLUSH) {
304 int error;
305
306 error = ata_raid_flush(rdp, bp);
307 if (error != 0) {
308 bbp->b_flags |= B_ERROR;
309 bbp->b_error = error;
310 biodone(bp);
311 }
312 return(0);
313 }
314
315 if (!(rdp->status & AR_S_READY) ||
316 (bbp->b_cmd != BUF_CMD_READ && bbp->b_cmd != BUF_CMD_WRITE)) {
317 bbp->b_flags |= B_ERROR;
318 bbp->b_error = EIO;
319 biodone(bp);
320 return(0);
321 }
322
323 bbp->b_resid = bbp->b_bcount;
324 for (count = howmany(bbp->b_bcount, DEV_BSIZE),
325 /* bio_offset is byte granularity, convert */
326 blkno = (u_int64_t)(bp->bio_offset >> DEV_BSHIFT),
327 data = bbp->b_data;
328 count > 0;
329 count -= chunk, blkno += chunk, data += (chunk * DEV_BSIZE)) {
330
331 switch (rdp->type) {
332 case AR_T_RAID1:
333 drv = 0;
334 lba = blkno;
335 chunk = count;
336 break;
337
338 case AR_T_JBOD:
339 case AR_T_SPAN:
340 drv = 0;
341 lba = blkno;
342 while (lba >= rdp->disks[drv].sectors)
343 lba -= rdp->disks[drv++].sectors;
344 chunk = min(rdp->disks[drv].sectors - lba, count);
345 break;
346
347 case AR_T_RAID0:
348 case AR_T_RAID01:
349 chunk = blkno % rdp->interleave;
350 drv = (blkno / rdp->interleave) % rdp->width;
351 lba = (((blkno/rdp->interleave)/rdp->width)*rdp->interleave)+chunk;
352 chunk = min(count, rdp->interleave - chunk);
353 break;
354
355 case AR_T_RAID5:
356 drv = (blkno / rdp->interleave) % (rdp->width - 1);
357 par = rdp->width - 1 -
358 (blkno / (rdp->interleave * (rdp->width - 1))) % rdp->width;
359 if (drv >= par)
360 drv++;
361 lba = ((blkno/rdp->interleave)/(rdp->width-1))*(rdp->interleave) +
362 ((blkno%(rdp->interleave*(rdp->width-1)))%rdp->interleave);
363 chunk = min(count, rdp->interleave - (lba % rdp->interleave));
364 break;
365
366 default:
367 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun);
368 bbp->b_flags |= B_ERROR;
369 bbp->b_error = EIO;
370 biodone(bp);
371 return(0);
372 }
373
374 /* offset on all but "first on HPTv2" */
375 if (!(drv == 0 && rdp->format == AR_F_HPTV2_RAID))
376 lba += rdp->offset_sectors;
377
378 if (!(request = ata_raid_init_request(rdp, bp))) {
379 bbp->b_flags |= B_ERROR;
380 bbp->b_error = EIO;
381 biodone(bp);
382 return(0);
383 }
384 request->data = data;
385 request->bytecount = chunk * DEV_BSIZE;
386 request->u.ata.lba = lba;
387 request->u.ata.count = request->bytecount / DEV_BSIZE;
388
389 switch (rdp->type) {
390 case AR_T_JBOD:
391 case AR_T_SPAN:
392 case AR_T_RAID0:
393 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) ==
394 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) {
395 rdp->disks[drv].flags &= ~AR_DF_ONLINE;
396 ata_raid_config_changed(rdp, 1);
397 ata_free_request(request);
398 bbp->b_flags |= B_ERROR;
399 bbp->b_error = EIO;
400 biodone(bp);
401 return(0);
402 }
403 request->this = drv;
404 request->dev = rdp->disks[request->this].dev;
405 ata_raid_send_request(request);
406 break;
407
408 case AR_T_RAID1:
409 case AR_T_RAID01:
410 if ((rdp->disks[drv].flags &
411 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) &&
412 !rdp->disks[drv].dev) {
413 rdp->disks[drv].flags &= ~AR_DF_ONLINE;
414 change = 1;
415 }
416 if ((rdp->disks[drv + rdp->width].flags &
417 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) &&
418 !rdp->disks[drv + rdp->width].dev) {
419 rdp->disks[drv + rdp->width].flags &= ~AR_DF_ONLINE;
420 change = 1;
421 }
422 if (change)
423 ata_raid_config_changed(rdp, 1);
424 if (!(rdp->status & AR_S_READY)) {
425 ata_free_request(request);
426 bbp->b_flags |= B_ERROR;
427 bbp->b_error = EIO;
428 biodone(bp);
429 return(0);
430 }
431
432 if (rdp->status & AR_S_REBUILDING)
433 blk = ((lba / rdp->interleave) * rdp->width) * rdp->interleave +
434 (rdp->interleave * (drv % rdp->width)) +
435 lba % rdp->interleave;;
436
437 if (bbp->b_cmd == BUF_CMD_READ) {
438 int src_online =
439 (rdp->disks[drv].flags & AR_DF_ONLINE);
440 int mir_online =
441 (rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE);
442
443 /* if mirror gone or close to last access on source */
444 if (!mir_online ||
445 ((src_online) &&
446 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >=
447 (rdp->disks[drv].last_lba - AR_PROXIMITY) &&
448 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <=
449 (rdp->disks[drv].last_lba + AR_PROXIMITY))) {
450 rdp->toggle = 0;
451 }
452 /* if source gone or close to last access on mirror */
453 else if (!src_online ||
454 ((mir_online) &&
455 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >=
456 (rdp->disks[drv+rdp->width].last_lba-AR_PROXIMITY) &&
457 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <=
458 (rdp->disks[drv+rdp->width].last_lba+AR_PROXIMITY))) {
459 drv += rdp->width;
460 rdp->toggle = 1;
461 }
462 /* not close to any previous access, toggle */
463 else {
464 if (rdp->toggle)
465 rdp->toggle = 0;
466 else {
467 drv += rdp->width;
468 rdp->toggle = 1;
469 }
470 }
471
472 if ((rdp->status & AR_S_REBUILDING) &&
473 (blk <= rdp->rebuild_lba) &&
474 ((blk + chunk) > rdp->rebuild_lba)) {
475 struct ata_composite *composite;
476 struct ata_request *rebuild;
477 int this;
478
479 /* figure out what part to rebuild */
480 if (drv < rdp->width)
481 this = drv + rdp->width;
482 else
483 this = drv - rdp->width;
484
485 /* do we have a spare to rebuild on ? */
486 if (rdp->disks[this].flags & AR_DF_SPARE) {
487 if ((composite = ata_alloc_composite())) {
488 if ((rebuild = ata_alloc_request())) {
489 rdp->rebuild_lba = blk + chunk;
490 bcopy(request, rebuild,
491 sizeof(struct ata_request));
492 rebuild->this = this;
493 rebuild->dev = rdp->disks[this].dev;
494 rebuild->flags &= ~ATA_R_READ;
495 rebuild->flags |= ATA_R_WRITE;
496 spin_init(&composite->lock);
497 composite->residual = request->bytecount;
498 composite->rd_needed |= (1 << drv);
499 composite->wr_depend |= (1 << drv);
500 composite->wr_needed |= (1 << this);
501 composite->request[drv] = request;
502 composite->request[this] = rebuild;
503 request->composite = composite;
504 rebuild->composite = composite;
505 ata_raid_send_request(rebuild);
506 }
507 else {
508 ata_free_composite(composite);
509 kprintf("DOH! ata_alloc_request failed!\n");
510 }
511 }
512 else {
513 kprintf("DOH! ata_alloc_composite failed!\n");
514 }
515 }
516 else if (rdp->disks[this].flags & AR_DF_ONLINE) {
517 /*
518 * if we got here we are a chunk of a RAID01 that
519 * does not need a rebuild, but we need to increment
520 * the rebuild_lba address to get the rebuild to
521 * move to the next chunk correctly
522 */
523 rdp->rebuild_lba = blk + chunk;
524 }
525 else
526 kprintf("DOH! we didn't find the rebuild part\n");
527 }
528 }
529 if (bbp->b_cmd == BUF_CMD_WRITE) {
530 if ((rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE) ||
531 ((rdp->status & AR_S_REBUILDING) &&
532 (rdp->disks[drv+rdp->width].flags & AR_DF_SPARE) &&
533 ((blk < rdp->rebuild_lba) ||
534 ((blk <= rdp->rebuild_lba) &&
535 ((blk + chunk) > rdp->rebuild_lba))))) {
536 if ((rdp->disks[drv].flags & AR_DF_ONLINE) ||
537 ((rdp->status & AR_S_REBUILDING) &&
538 (rdp->disks[drv].flags & AR_DF_SPARE) &&
539 ((blk < rdp->rebuild_lba) ||
540 ((blk <= rdp->rebuild_lba) &&
541 ((blk + chunk) > rdp->rebuild_lba))))) {
542 struct ata_request *mirror;
543 struct ata_composite *composite;
544 int this = drv + rdp->width;
545
546 if ((composite = ata_alloc_composite())) {
547 if ((mirror = ata_alloc_request())) {
548 if ((blk <= rdp->rebuild_lba) &&
549 ((blk + chunk) > rdp->rebuild_lba))
550 rdp->rebuild_lba = blk + chunk;
551 bcopy(request, mirror,
552 sizeof(struct ata_request));
553 mirror->this = this;
554 mirror->dev = rdp->disks[this].dev;
555 spin_init(&composite->lock);
556 composite->residual = request->bytecount;
557 composite->wr_needed |= (1 << drv);
558 composite->wr_needed |= (1 << this);
559 composite->request[drv] = request;
560 composite->request[this] = mirror;
561 request->composite = composite;
562 mirror->composite = composite;
563 ata_raid_send_request(mirror);
564 rdp->disks[this].last_lba =
565 (u_int64_t)(bp->bio_offset >> DEV_BSHIFT) +
566 chunk;
567 }
568 else {
569 ata_free_composite(composite);
570 kprintf("DOH! ata_alloc_request failed!\n");
571 }
572 }
573 else {
574 kprintf("DOH! ata_alloc_composite failed!\n");
575 }
576 }
577 else
578 drv += rdp->width;
579 }
580 }
581 request->this = drv;
582 request->dev = rdp->disks[request->this].dev;
583 ata_raid_send_request(request);
584 rdp->disks[request->this].last_lba =
585 ((u_int64_t)(bp->bio_offset) >> DEV_BSHIFT) + chunk;
586 break;
587
588 case AR_T_RAID5:
589 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) ==
590 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) {
591 rdp->disks[drv].flags &= ~AR_DF_ONLINE;
592 change = 1;
593 }
594 if (((rdp->disks[par].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) ==
595 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[par].dev)) {
596 rdp->disks[par].flags &= ~AR_DF_ONLINE;
597 change = 1;
598 }
599 if (change)
600 ata_raid_config_changed(rdp, 1);
601 if (!(rdp->status & AR_S_READY)) {
602 ata_free_request(request);
603 bbp->b_flags |= B_ERROR;
604 bbp->b_error = EIO;
605 biodone(bp);
606 return(0);
607 }
608 if (rdp->status & AR_S_DEGRADED) {
609 /* do the XOR game if possible */
610 }
611 else {
612 request->this = drv;
613 request->dev = rdp->disks[request->this].dev;
614 if (bbp->b_cmd == BUF_CMD_READ) {
615 ata_raid_send_request(request);
616 }
617 if (bbp->b_cmd == BUF_CMD_WRITE) {
618 ata_raid_send_request(request);
619 /* XXX TGEN no, I don't speak Danish either */
620 /*
621 * sikre at læs-modify-skriv til hver disk er atomarisk.
622 * par kopi af request
623 * læse orgdata fra drv
624 * skriv nydata til drv
625 * læse parorgdata fra par
626 * skriv orgdata xor parorgdata xor nydata til par
627 */
628 }
629 }
630 break;
631
632 default:
633 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun);
634 }
635 }
636
637 return(0);
638 }
639
640 static void
641 ata_raid_done(struct ata_request *request)
642 {
643 struct ar_softc *rdp = request->driver;
644 struct ata_composite *composite = NULL;
645 struct bio *bp = request->bio;
646 struct buf *bbp = bp->bio_buf;
647 int i, mirror, finished = 0;
648
649 if (bbp->b_cmd == BUF_CMD_FLUSH) {
650 if (bbp->b_error == 0)
651 bbp->b_error = request->result;
652 ata_free_request(request);
653 bp->bio_driver_info = (void *)((intptr_t)bp->bio_driver_info - 1);
654 if ((intptr_t)bp->bio_driver_info == 0) {
655 if (bbp->b_error)
656 bbp->b_flags |= B_ERROR;
657 biodone(bp);
658 }
659 return;
660 }
661
662 switch (rdp->type) {
663 case AR_T_JBOD:
664 case AR_T_SPAN:
665 case AR_T_RAID0:
666 if (request->result) {
667 rdp->disks[request->this].flags &= ~AR_DF_ONLINE;
668 ata_raid_config_changed(rdp, 1);
669 bbp->b_error = request->result;
670 finished = 1;
671 }
672 else {
673 bbp->b_resid -= request->donecount;
674 if (!bbp->b_resid)
675 finished = 1;
676 }
677 break;
678
679 case AR_T_RAID1:
680 case AR_T_RAID01:
681 if (request->this < rdp->width)
682 mirror = request->this + rdp->width;
683 else
684 mirror = request->this - rdp->width;
685 if (request->result) {
686 rdp->disks[request->this].flags &= ~AR_DF_ONLINE;
687 ata_raid_config_changed(rdp, 1);
688 }
689 if (rdp->status & AR_S_READY) {
690 u_int64_t blk = 0;
691
692 if (rdp->status & AR_S_REBUILDING)
693 blk = ((request->u.ata.lba / rdp->interleave) * rdp->width) *
694 rdp->interleave + (rdp->interleave *
695 (request->this % rdp->width)) +
696 request->u.ata.lba % rdp->interleave;
697
698 if (bbp->b_cmd == BUF_CMD_READ) {
699
700 /* is this a rebuild composite */
701 if ((composite = request->composite)) {
702 spin_lock_wr(&composite->lock);
703
704 /* handle the read part of a rebuild composite */
705 if (request->flags & ATA_R_READ) {
706
707 /* if read failed array is now broken */
708 if (request->result) {
709 rdp->disks[request->this].flags &= ~AR_DF_ONLINE;
710 ata_raid_config_changed(rdp, 1);
711 bbp->b_error = request->result;
712 rdp->rebuild_lba = blk;
713 finished = 1;
714 }
715
716 /* good data, update how far we've gotten */
717 else {
718 bbp->b_resid -= request->donecount;
719 composite->residual -= request->donecount;
720 if (!composite->residual) {
721 if (composite->wr_done & (1 << mirror))
722 finished = 1;
723 }
724 }
725 }
726
727 /* handle the write part of a rebuild composite */
728 else if (request->flags & ATA_R_WRITE) {
729 if (composite->rd_done & (1 << mirror)) {
730 if (request->result) {
731 kprintf("DOH! rebuild failed\n"); /* XXX SOS */
732 rdp->rebuild_lba = blk;
733 }
734 if (!composite->residual)
735 finished = 1;
736 }
737 }
738 spin_unlock_wr(&composite->lock);
739 }
740
741 /* if read failed retry on the mirror */
742 else if (request->result) {
743 request->dev = rdp->disks[mirror].dev;
744 request->flags &= ~ATA_R_TIMEOUT;
745 ata_raid_send_request(request);
746 return;
747 }
748
749 /* we have good data */
750 else {
751 bbp->b_resid -= request->donecount;
752 if (!bbp->b_resid)
753 finished = 1;
754 }
755 }
756 else if (bbp->b_cmd == BUF_CMD_WRITE) {
757 /* do we have a mirror or rebuild to deal with ? */
758 if ((composite = request->composite)) {
759 spin_lock_wr(&composite->lock);
760 if (composite->wr_done & (1 << mirror)) {
761 if (request->result) {
762 if (composite->request[mirror]->result) {
763 kprintf("DOH! all disks failed and got here\n");
764 bbp->b_error = EIO;
765 }
766 if (rdp->status & AR_S_REBUILDING) {
767 rdp->rebuild_lba = blk;
768 kprintf("DOH! rebuild failed\n"); /* XXX SOS */
769 }
770 bbp->b_resid -=
771 composite->request[mirror]->donecount;
772 composite->residual -=
773 composite->request[mirror]->donecount;
774 }
775 else {
776 bbp->b_resid -= request->donecount;
777 composite->residual -= request->donecount;
778 }
779 if (!composite->residual)
780 finished = 1;
781 }
782 spin_unlock_wr(&composite->lock);
783 }
784 /* no mirror we are done */
785 else {
786 bbp->b_resid -= request->donecount;
787 if (!bbp->b_resid)
788 finished = 1;
789 }
790 }
791 }
792 else {
793 /* XXX TGEN bbp->b_flags |= B_ERROR; */
794 bbp->b_error = request->result;
795 biodone(bp);
796 }
797 break;
798
799 case AR_T_RAID5:
800 if (request->result) {
801 rdp->disks[request->this].flags &= ~AR_DF_ONLINE;
802 ata_raid_config_changed(rdp, 1);
803 if (rdp->status & AR_S_READY) {
804 if (bbp->b_cmd == BUF_CMD_READ) {
805 /* do the XOR game to recover data */
806 }
807 if (bbp->b_cmd == BUF_CMD_WRITE) {
808 /* if the parity failed we're OK sortof */
809 /* otherwise wee need to do the XOR long dance */
810 }
811 finished = 1;
812 }
813 else {
814 /* XXX TGEN bbp->b_flags |= B_ERROR; */
815 bbp->b_error = request->result;
816 biodone(bp);
817 }
818 }
819 else {
820 /* did we have an XOR game going ?? */
821 bbp->b_resid -= request->donecount;
822 if (!bbp->b_resid)
823 finished = 1;
824 }
825 break;
826
827 default:
828 kprintf("ar%d: unknown array type in ata_raid_done\n", rdp->lun);
829 }
830
831 if (finished) {
832 if ((rdp->status & AR_S_REBUILDING) &&
833 rdp->rebuild_lba >= rdp->total_sectors) {
834 int disk;
835
836 for (disk = 0; disk < rdp->total_disks; disk++) {
837 if ((rdp->disks[disk].flags &
838 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) ==
839 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) {
840 rdp->disks[disk].flags &= ~AR_DF_SPARE;
841 rdp->disks[disk].flags |= AR_DF_ONLINE;
842 }
843 }
844 rdp->status &= ~AR_S_REBUILDING;
845 ata_raid_config_changed(rdp, 1);
846 }
847 if (!bbp->b_resid)
848 biodone(bp);
849 }
850
851 if (composite) {
852 if (finished) {
853 /* we are done with this composite, free all resources */
854 for (i = 0; i < 32; i++) {
855 if (composite->rd_needed & (1 << i) ||
856 composite->wr_needed & (1 << i)) {
857 ata_free_request(composite->request[i]);
858 }
859 }
860 spin_uninit(&composite->lock);
861 ata_free_composite(composite);
862 }
863 }
864 else
865 ata_free_request(request);
866 }
867
868 static int
869 ata_raid_dump(struct dev_dump_args *ap)
870 {
871 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1;
872 struct buf dbuf;
873 vm_paddr_t addr = 0;
874 long blkcnt;
875 int dumppages = MAXDUMPPGS;
876 int error = 0;
877 int i, disk;
878
879 blkcnt = howmany(PAGE_SIZE, ap->a_secsize);
880
881 while (ap->a_count > 0) {
882 caddr_t va = NULL;
883
884 if ((ap->a_count / blkcnt) < dumppages)
885 dumppages = ap->a_count / blkcnt;
886
887 for (i = 0; i < dumppages; ++i) {
888 vm_paddr_t a = addr + (i * PAGE_SIZE);
889 if (is_physical_memory(a))
890 va = pmap_kenter_temporary(trunc_page(a), i);
891 else
892 va = pmap_kenter_temporary(trunc_page(0), i);
893 }
894
895 bzero(&dbuf, sizeof(struct buf));
896 BUF_LOCKINIT(&dbuf);
897 BUF_LOCK(&dbuf, LK_EXCLUSIVE);
898 initbufbio(&dbuf);
899 /* bio_offset is byte granularity, convert block granularity a_blkno */
900 dbuf.b_bio1.bio_offset = (off_t)(ap->a_blkno << DEV_BSHIFT);
901 dbuf.b_bio1.bio_caller_info1.ptr = (void *)rdp;
902 dbuf.b_bcount = dumppages * PAGE_SIZE;
903 dbuf.b_data = va;
904 dbuf.b_cmd = BUF_CMD_WRITE;
905 dev_dstrategy(rdp->cdev, &dbuf.b_bio1);
906 /* wait for completion, unlock the buffer, check status */
907 if (biowait(&dbuf)) {
908 BUF_UNLOCK(&dbuf);
909 return(dbuf.b_error ? dbuf.b_error : EIO);
910 }
911 BUF_UNLOCK(&dbuf);
912
913 if (dumpstatus(addr, (off_t)ap->a_count * DEV_BSIZE) < 0)
914 return(EINTR);
915
916 ap->a_blkno += blkcnt * dumppages;
917 ap->a_count -= blkcnt * dumppages;
918 addr += PAGE_SIZE * dumppages;
919 }
920
921 /* flush subdisk buffers to media */
922 for (disk = 0; disk < rdp->total_disks; disk++)
923 if (rdp->disks[disk].dev)
924 error |= ata_controlcmd(rdp->disks[disk].dev, ATA_FLUSHCACHE, 0, 0,
925 0);
926 return (error ? EIO : 0);
927 }
928
929 static void
930 ata_raid_config_changed(struct ar_softc *rdp, int writeback)
931 {
932 int disk, count, status;
933
934 spin_lock_wr(&rdp->lock);
935 /* set default all working mode */
936 status = rdp->status;
937 rdp->status &= ~AR_S_DEGRADED;
938 rdp->status |= AR_S_READY;
939
940 /* make sure all lost drives are accounted for */
941 for (disk = 0; disk < rdp->total_disks; disk++) {
942 if (!(rdp->disks[disk].flags & AR_DF_PRESENT))
943 rdp->disks[disk].flags &= ~AR_DF_ONLINE;
944 }
945
946 /* depending on RAID type figure out our health status */
947 switch (rdp->type) {
948 case AR_T_JBOD:
949 case AR_T_SPAN:
950 case AR_T_RAID0:
951 for (disk = 0; disk < rdp->total_disks; disk++)
952 if (!(rdp->disks[disk].flags & AR_DF_ONLINE))
953 rdp->status &= ~AR_S_READY;
954 break;
955
956 case AR_T_RAID1:
957 case AR_T_RAID01:
958 for (disk = 0; disk < rdp->width; disk++) {
959 if (!(rdp->disks[disk].flags & AR_DF_ONLINE) &&
960 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) {
961 rdp->status &= ~AR_S_READY;
962 }
963 else if (((rdp->disks[disk].flags & AR_DF_ONLINE) &&
964 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) ||
965 (!(rdp->disks[disk].flags & AR_DF_ONLINE) &&
966 (rdp->disks [disk + rdp->width].flags & AR_DF_ONLINE))) {
967 rdp->status |= AR_S_DEGRADED;
968 }
969 }
970 break;
971
972 case AR_T_RAID5:
973 for (count = 0, disk = 0; disk < rdp->total_disks; disk++) {
974 if (!(rdp->disks[disk].flags & AR_DF_ONLINE))
975 count++;
976 }
977 if (count) {
978 if (count > 1)
979 rdp->status &= ~AR_S_READY;
980 else
981 rdp->status |= AR_S_DEGRADED;
982 }
983 break;
984 default:
985 rdp->status &= ~AR_S_READY;
986 }
987
988 /*
989 * Note that when the array breaks so comes up broken we
990 * force a write of the array config to the remaining
991 * drives so that the generation will be incremented past
992 * those of the missing or failed drives (in all cases).
993 */
994 if (rdp->status != status) {
995 if (!(rdp->status & AR_S_READY)) {
996 kprintf("ar%d: FAILURE - %s array broken\n",
997 rdp->lun, ata_raid_type(rdp));
998 writeback = 1;
999 }
1000 else if (rdp->status & AR_S_DEGRADED) {
1001 if (rdp->type & (AR_T_RAID1 | AR_T_RAID01))
1002 kprintf("ar%d: WARNING - mirror", rdp->lun);
1003 else
1004 kprintf("ar%d: WARNING - parity", rdp->lun);
1005 kprintf(" protection lost. %s array in DEGRADED mode\n",
1006 ata_raid_type(rdp));
1007 writeback = 1;
1008 }
1009 }
1010 spin_unlock_wr(&rdp->lock);
1011 if (writeback)
1012 ata_raid_write_metadata(rdp);
1013
1014 }
1015
1016 static int
1017 ata_raid_status(struct ata_ioc_raid_config *config)
1018 {
1019 struct ar_softc *rdp;
1020 int i;
1021
1022 if (!(rdp = ata_raid_arrays[config->lun]))
1023 return ENXIO;
1024
1025 config->type = rdp->type;
1026 config->total_disks = rdp->total_disks;
1027 for (i = 0; i < rdp->total_disks; i++ ) {
1028 if ((rdp->disks[i].flags & AR_DF_PRESENT) && rdp->disks[i].dev)
1029 config->disks[i] = device_get_unit(rdp->disks[i].dev);
1030 else
1031 config->disks[i] = -1;
1032 }
1033 config->interleave = rdp->interleave;
1034 config->status = rdp->status;
1035 config->progress = 100 * rdp->rebuild_lba / rdp->total_sectors;
1036 return 0;
1037 }
1038
1039 static int
1040 ata_raid_create(struct ata_ioc_raid_config *config)
1041 {
1042 struct ar_softc *rdp;
1043 device_t subdisk;
1044 int array, disk;
1045 int ctlr = 0, disk_size = 0, total_disks = 0;
1046
1047 for (array = 0; array < MAX_ARRAYS; array++) {
1048 if (!ata_raid_arrays[array])
1049 break;
1050 }
1051 if (array >= MAX_ARRAYS)
1052 return ENOSPC;
1053
1054 rdp = (struct ar_softc*)kmalloc(sizeof(struct ar_softc), M_AR,
1055 M_WAITOK | M_ZERO);
1056
1057 for (disk = 0; disk < config->total_disks; disk++) {
1058 if ((subdisk = devclass_get_device(ata_raid_sub_devclass,
1059 config->disks[disk]))) {
1060 struct ata_raid_subdisk *ars = device_get_softc(subdisk);
1061
1062 /* is device already assigned to another array ? */
1063 if (ars->raid[rdp->volume]) {
1064 config->disks[disk] = -1;
1065 kfree(rdp, M_AR);
1066 return EBUSY;
1067 }
1068 rdp->disks[disk].dev = device_get_parent(subdisk);
1069
1070 switch (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev))) {
1071 case ATA_HIGHPOINT_ID:
1072 /*
1073 * we need some way to decide if it should be v2 or v3
1074 * for now just use v2 since the v3 BIOS knows how to
1075 * handle that as well.
1076 */
1077 ctlr = AR_F_HPTV2_RAID;
1078 rdp->disks[disk].sectors = HPTV3_LBA(rdp->disks[disk].dev);
1079 break;
1080
1081 case ATA_INTEL_ID:
1082 ctlr = AR_F_INTEL_RAID;
1083 rdp->disks[disk].sectors = INTEL_LBA(rdp->disks[disk].dev);
1084 break;
1085
1086 case ATA_ITE_ID:
1087 ctlr = AR_F_ITE_RAID;
1088 rdp->disks[disk].sectors = ITE_LBA(rdp->disks[disk].dev);
1089 break;
1090
1091 case ATA_JMICRON_ID:
1092 ctlr = AR_F_JMICRON_RAID;
1093 rdp->disks[disk].sectors = JMICRON_LBA(rdp->disks[disk].dev);
1094 break;
1095
1096 case 0: /* XXX SOS cover up for bug in our PCI code */
1097 case ATA_PROMISE_ID:
1098 ctlr = AR_F_PROMISE_RAID;
1099 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev);
1100 break;
1101
1102 case ATA_SIS_ID:
1103 ctlr = AR_F_SIS_RAID;
1104 rdp->disks[disk].sectors = SIS_LBA(rdp->disks[disk].dev);
1105 break;
1106
1107 case ATA_ATI_ID:
1108 case ATA_VIA_ID:
1109 ctlr = AR_F_VIA_RAID;
1110 rdp->disks[disk].sectors = VIA_LBA(rdp->disks[disk].dev);
1111 break;
1112
1113 default:
1114 /* XXX SOS
1115 * right, so here we are, we have an ATA chip and we want
1116 * to create a RAID and store the metadata.
1117 * we need to find a way to tell what kind of metadata this
1118 * hardware's BIOS might be using (good ideas are welcomed)
1119 * for now we just use our own native FreeBSD format.
1120 * the only way to get support for the BIOS format is to
1121 * setup the RAID from there, in that case we pickup the
1122 * metadata format from the disks (if we support it).
1123 */
1124 kprintf("WARNING!! - not able to determine metadata format\n"
1125 "WARNING!! - Using FreeBSD PseudoRAID metadata\n"
1126 "If that is not what you want, use the BIOS to "
1127 "create the array\n");
1128 ctlr = AR_F_FREEBSD_RAID;
1129 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev);
1130 break;
1131 }
1132
1133 /* we need all disks to be of the same format */
1134 if ((rdp->format & AR_F_FORMAT_MASK) &&
1135 (rdp->format & AR_F_FORMAT_MASK) != (ctlr & AR_F_FORMAT_MASK)) {
1136 kfree(rdp, M_AR);
1137 return EXDEV;
1138 }
1139 else
1140 rdp->format = ctlr;
1141
1142 /* use the smallest disk of the lots size */
1143 /* gigabyte boundry ??? XXX SOS */
1144 if (disk_size)
1145 disk_size = min(rdp->disks[disk].sectors, disk_size);
1146 else
1147 disk_size = rdp->disks[disk].sectors;
1148 rdp->disks[disk].flags =
1149 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
1150
1151 total_disks++;
1152 }
1153 else {
1154 config->disks[disk] = -1;
1155 kfree(rdp, M_AR);
1156 return ENXIO;
1157 }
1158 }
1159
1160 if (total_disks != config->total_disks) {
1161 kfree(rdp, M_AR);
1162 return ENODEV;
1163 }
1164
1165 switch (config->type) {
1166 case AR_T_JBOD:
1167 case AR_T_SPAN:
1168 case AR_T_RAID0:
1169 break;
1170
1171 case AR_T_RAID1:
1172 if (total_disks != 2) {
1173 kfree(rdp, M_AR);
1174 return EPERM;
1175 }
1176 break;
1177
1178 case AR_T_RAID01:
1179 if (total_disks % 2 != 0) {
1180 kfree(rdp, M_AR);
1181 return EPERM;
1182 }
1183 break;
1184
1185 case AR_T_RAID5:
1186 if (total_disks < 3) {
1187 kfree(rdp, M_AR);
1188 return EPERM;
1189 }
1190 break;
1191
1192 default:
1193 kfree(rdp, M_AR);
1194 return EOPNOTSUPP;
1195 }
1196 rdp->type = config->type;
1197 rdp->lun = array;
1198 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 ||
1199 rdp->type == AR_T_RAID5) {
1200 int bit = 0;
1201
1202 while (config->interleave >>= 1)
1203 bit++;
1204 rdp->interleave = 1 << bit;
1205 }
1206 rdp->offset_sectors = 0;
1207
1208 /* values that depend on metadata format */
1209 switch (rdp->format) {
1210 case AR_F_ADAPTEC_RAID:
1211 rdp->interleave = min(max(32, rdp->interleave), 128); /*+*/
1212 break;
1213
1214 case AR_F_HPTV2_RAID:
1215 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/
1216 rdp->offset_sectors = HPTV2_LBA(x) + 1;
1217 break;
1218
1219 case AR_F_HPTV3_RAID:
1220 rdp->interleave = min(max(32, rdp->interleave), 4096); /*+*/
1221 break;
1222
1223 case AR_F_INTEL_RAID:
1224 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/
1225 break;
1226
1227 case AR_F_ITE_RAID:
1228 rdp->interleave = min(max(2, rdp->interleave), 128); /*+*/
1229 break;
1230
1231 case AR_F_JMICRON_RAID:
1232 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/
1233 break;
1234
1235 case AR_F_LSIV2_RAID:
1236 rdp->interleave = min(max(2, rdp->interleave), 4096);
1237 break;
1238
1239 case AR_F_LSIV3_RAID:
1240 rdp->interleave = min(max(2, rdp->interleave), 256);
1241 break;
1242
1243 case AR_F_PROMISE_RAID:
1244 rdp->interleave = min(max(2, rdp->interleave), 2048); /*+*/
1245 break;
1246
1247 case AR_F_SII_RAID:
1248 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/
1249 break;
1250
1251 case AR_F_SIS_RAID:
1252 rdp->interleave = min(max(32, rdp->interleave), 512); /*+*/
1253 break;
1254
1255 case AR_F_VIA_RAID:
1256 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/
1257 break;
1258 }
1259
1260 rdp->total_disks = total_disks;
1261 rdp->width = total_disks / (rdp->type & (AR_RAID1 | AR_T_RAID01) ? 2 : 1);
1262 rdp->total_sectors = disk_size * (rdp->width - (rdp->type == AR_RAID5));
1263 rdp->heads = 255;
1264 rdp->sectors = 63;
1265 rdp->cylinders = rdp->total_sectors / (255 * 63);
1266 rdp->rebuild_lba = 0;
1267 rdp->status |= AR_S_READY;
1268
1269 /* we are committed to this array, grap the subdisks */
1270 for (disk = 0; disk < config->total_disks; disk++) {
1271 if ((subdisk = devclass_get_device(ata_raid_sub_devclass,
1272 config->disks[disk]))) {
1273 struct ata_raid_subdisk *ars = device_get_softc(subdisk);
1274
1275 ars->raid[rdp->volume] = rdp;
1276 ars->disk_number[rdp->volume] = disk;
1277 }
1278 }
1279 ata_raid_attach(rdp, 1);
1280 ata_raid_arrays[array] = rdp;
1281 config->lun = array;
1282 return 0;
1283 }
1284
1285 static int
1286 ata_raid_delete(int array)
1287 {
1288 struct ar_softc *rdp;
1289 device_t subdisk;
1290 int disk;
1291
1292 if (!(rdp = ata_raid_arrays[array]))
1293 return ENXIO;
1294
1295 rdp->status &= ~AR_S_READY;
1296 disk_destroy(&rdp->disk);
1297
1298 for (disk = 0; disk < rdp->total_disks; disk++) {
1299 if ((rdp->disks[disk].flags & AR_DF_PRESENT) && rdp->disks[disk].dev) {
1300 if ((subdisk = devclass_get_device(ata_raid_sub_devclass,
1301 device_get_unit(rdp->disks[disk].dev)))) {
1302 struct ata_raid_subdisk *ars = device_get_softc(subdisk);
1303
1304 if (ars->raid[rdp->volume] != rdp) /* XXX SOS */
1305 device_printf(subdisk, "DOH! this disk doesn't belong\n");
1306 if (ars->disk_number[rdp->volume] != disk) /* XXX SOS */
1307 device_printf(subdisk, "DOH! this disk number is wrong\n");
1308 ars->raid[rdp->volume] = NULL;
1309 ars->disk_number[rdp->volume] = -1;
1310 }
1311 rdp->disks[disk].flags = 0;
1312 }
1313 }
1314 ata_raid_wipe_metadata(rdp);
1315 ata_raid_arrays[array] = NULL;
1316 kfree(rdp, M_AR);
1317 return 0;
1318 }
1319
1320 static int
1321 ata_raid_addspare(struct ata_ioc_raid_config *config)
1322 {
1323 struct ar_softc *rdp;
1324 device_t subdisk;
1325 int disk;
1326
1327 if (!(rdp = ata_raid_arrays[config->lun]))
1328 return ENXIO;
1329 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY))
1330 return ENXIO;
1331 if (rdp->status & AR_S_REBUILDING)
1332 return EBUSY;
1333 switch (rdp->type) {
1334 case AR_T_RAID1:
1335 case AR_T_RAID01:
1336 case AR_T_RAID5:
1337 for (disk = 0; disk < rdp->total_disks; disk++ ) {
1338
1339 if (((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) ==
1340 (AR_DF_PRESENT | AR_DF_ONLINE)) && rdp->disks[disk].dev)
1341 continue;
1342
1343 if ((subdisk = devclass_get_device(ata_raid_sub_devclass,
1344 config->disks[0] ))) {
1345 struct ata_raid_subdisk *ars = device_get_softc(subdisk);
1346
1347 if (ars->raid[rdp->volume])
1348 return EBUSY;
1349
1350 /* XXX SOS validate size etc etc */
1351 ars->raid[rdp->volume] = rdp;
1352 ars->disk_number[rdp->volume] = disk;
1353 rdp->disks[disk].dev = device_get_parent(subdisk);
1354 rdp->disks[disk].flags =
1355 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE);
1356
1357 device_printf(rdp->disks[disk].dev,
1358 "inserted into ar%d disk%d as spare\n",
1359 rdp->lun, disk);
1360 ata_raid_config_changed(rdp, 1);
1361 return 0;
1362 }
1363 }
1364 return ENXIO;
1365
1366 default:
1367 return EPERM;
1368 }
1369 }
1370
1371 static int
1372 ata_raid_rebuild(int array)
1373 {
1374 struct ar_softc *rdp;
1375 int disk, count;
1376
1377 if (!(rdp = ata_raid_arrays[array]))
1378 return ENXIO;
1379 /* XXX SOS we should lock the rdp softc here */
1380 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY))
1381 return ENXIO;
1382 if (rdp->status & AR_S_REBUILDING)
1383 return EBUSY;
1384
1385 switch (rdp->type) {
1386 case AR_T_RAID1:
1387 case AR_T_RAID01:
1388 case AR_T_RAID5:
1389 for (count = 0, disk = 0; disk < rdp->total_disks; disk++ ) {
1390 if (((rdp->disks[disk].flags &
1391 (AR_DF_PRESENT|AR_DF_ASSIGNED|AR_DF_ONLINE|AR_DF_SPARE)) ==
1392 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) &&
1393 rdp->disks[disk].dev) {
1394 count++;
1395 }
1396 }
1397
1398 if (count) {
1399 rdp->rebuild_lba = 0;
1400 rdp->status |= AR_S_REBUILDING;
1401 return 0;
1402 }
1403 return EIO;
1404
1405 default:
1406 return EPERM;
1407 }
1408 }
1409
1410 static int
1411 ata_raid_read_metadata(device_t subdisk)
1412 {
1413 devclass_t pci_devclass = devclass_find("pci");
1414 devclass_t devclass=device_get_devclass(GRANDPARENT(GRANDPARENT(subdisk)));
1415
1416 /* prioritize vendor native metadata layout if possible */
1417 if (devclass == pci_devclass) {
1418 switch (pci_get_vendor(GRANDPARENT(device_get_parent(subdisk)))) {
1419 case ATA_HIGHPOINT_ID:
1420 if (ata_raid_hptv3_read_meta(subdisk, ata_raid_arrays))
1421 return 0;
1422 if (ata_raid_hptv2_read_meta(subdisk, ata_raid_arrays))
1423 return 0;
1424 break;
1425
1426 case ATA_INTEL_ID:
1427 if (ata_raid_intel_read_meta(subdisk, ata_raid_arrays))
1428 return 0;
1429 break;
1430
1431 case ATA_ITE_ID:
1432 if (ata_raid_ite_read_meta(subdisk, ata_raid_arrays))
1433 return 0;
1434 break;
1435
1436 case ATA_JMICRON_ID:
1437 if (ata_raid_jmicron_read_meta(subdisk, ata_raid_arrays))
1438 return 0;
1439 break;
1440
1441 case ATA_NVIDIA_ID:
1442 if (ata_raid_nvidia_read_meta(subdisk, ata_raid_arrays))
1443 return 0;
1444 break;
1445
1446 case 0: /* XXX SOS cover up for bug in our PCI code */
1447 case ATA_PROMISE_ID:
1448 if (ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 0))
1449 return 0;
1450 break;
1451
1452 case ATA_ATI_ID:
1453 case ATA_SILICON_IMAGE_ID:
1454 if (ata_raid_sii_read_meta(subdisk, ata_raid_arrays))
1455 return 0;
1456 break;
1457
1458 case ATA_SIS_ID:
1459 if (ata_raid_sis_read_meta(subdisk, ata_raid_arrays))
1460 return 0;
1461 break;
1462
1463 case ATA_VIA_ID:
1464 if (ata_raid_via_read_meta(subdisk, ata_raid_arrays))
1465 return 0;
1466 break;
1467 }
1468 }
1469
1470 /* handle controllers that have multiple layout possibilities */
1471 /* NOTE: the order of these are not insignificant */
1472
1473 /* Adaptec HostRAID */
1474 if (ata_raid_adaptec_read_meta(subdisk, ata_raid_arrays))
1475 return 0;
1476
1477 /* LSILogic v3 and v2 */
1478 if (ata_raid_lsiv3_read_meta(subdisk, ata_raid_arrays))
1479 return 0;
1480 if (ata_raid_lsiv2_read_meta(subdisk, ata_raid_arrays))
1481 return 0;
1482
1483 /* if none of the above matched, try FreeBSD native format */
1484 return ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 1);
1485 }
1486
1487 static int
1488 ata_raid_write_metadata(struct ar_softc *rdp)
1489 {
1490 switch (rdp->format) {
1491 case AR_F_FREEBSD_RAID:
1492 case AR_F_PROMISE_RAID:
1493 return ata_raid_promise_write_meta(rdp);
1494
1495 case AR_F_HPTV3_RAID:
1496 case AR_F_HPTV2_RAID:
1497 /*
1498 * always write HPT v2 metadata, the v3 BIOS knows it as well.
1499 * this is handy since we cannot know what version BIOS is on there
1500 */
1501 return ata_raid_hptv2_write_meta(rdp);
1502
1503 case AR_F_INTEL_RAID:
1504 return ata_raid_intel_write_meta(rdp);
1505
1506 case AR_F_JMICRON_RAID:
1507 return ata_raid_jmicron_write_meta(rdp);
1508
1509 case AR_F_SIS_RAID:
1510 return ata_raid_sis_write_meta(rdp);
1511
1512 case AR_F_VIA_RAID:
1513 return ata_raid_via_write_meta(rdp);
1514 #if 0
1515 case AR_F_HPTV3_RAID:
1516 return ata_raid_hptv3_write_meta(rdp);
1517
1518 case AR_F_ADAPTEC_RAID:
1519 return ata_raid_adaptec_write_meta(rdp);
1520
1521 case AR_F_ITE_RAID:
1522 return ata_raid_ite_write_meta(rdp);
1523
1524 case AR_F_LSIV2_RAID:
1525 return ata_raid_lsiv2_write_meta(rdp);
1526
1527 case AR_F_LSIV3_RAID:
1528 return ata_raid_lsiv3_write_meta(rdp);
1529
1530 case AR_F_NVIDIA_RAID:
1531 return ata_raid_nvidia_write_meta(rdp);
1532
1533 case AR_F_SII_RAID:
1534 return ata_raid_sii_write_meta(rdp);
1535
1536 #endif
1537 default:
1538 kprintf("ar%d: writing of %s metadata is NOT supported yet\n",
1539 rdp->lun, ata_raid_format(rdp));
1540 }
1541 return -1;
1542 }
1543
1544 static int
1545 ata_raid_wipe_metadata(struct ar_softc *rdp)
1546 {
1547 int disk, error = 0;
1548 u_int64_t lba;
1549 u_int32_t size;
1550 u_int8_t *meta;
1551
1552 for (disk = 0; disk < rdp->total_disks; disk++) {
1553 if (rdp->disks[disk].dev) {
1554 switch (rdp->format) {
1555 case AR_F_ADAPTEC_RAID:
1556 lba = ADP_LBA(rdp->disks[disk].dev);
1557 size = sizeof(struct adaptec_raid_conf);
1558 break;
1559
1560 case AR_F_HPTV2_RAID:
1561 lba = HPTV2_LBA(rdp->disks[disk].dev);
1562 size = sizeof(struct hptv2_raid_conf);
1563 break;
1564
1565 case AR_F_HPTV3_RAID:
1566 lba = HPTV3_LBA(rdp->disks[disk].dev);
1567 size = sizeof(struct hptv3_raid_conf);
1568 break;
1569
1570 case AR_F_INTEL_RAID:
1571 lba = INTEL_LBA(rdp->disks[disk].dev);
1572 size = 3 * 512; /* XXX SOS */
1573 break;
1574
1575 case AR_F_ITE_RAID:
1576 lba = ITE_LBA(rdp->disks[disk].dev);
1577 size = sizeof(struct ite_raid_conf);
1578 break;
1579
1580 case AR_F_JMICRON_RAID:
1581 lba = JMICRON_LBA(rdp->disks[disk].dev);
1582 size = sizeof(struct jmicron_raid_conf);
1583 break;
1584
1585 case AR_F_LSIV2_RAID:
1586 lba = LSIV2_LBA(rdp->disks[disk].dev);
1587 size = sizeof(struct lsiv2_raid_conf);
1588 break;
1589
1590 case AR_F_LSIV3_RAID:
1591 lba = LSIV3_LBA(rdp->disks[disk].dev);
1592 size = sizeof(struct lsiv3_raid_conf);
1593 break;
1594
1595 case AR_F_NVIDIA_RAID:
1596 lba = NVIDIA_LBA(rdp->disks[disk].dev);
1597 size = sizeof(struct nvidia_raid_conf);
1598 break;
1599
1600 case AR_F_FREEBSD_RAID:
1601 case AR_F_PROMISE_RAID:
1602 lba = PROMISE_LBA(rdp->disks[disk].dev);
1603 size = sizeof(struct promise_raid_conf);
1604 break;
1605
1606 case AR_F_SII_RAID:
1607 lba = SII_LBA(rdp->disks[disk].dev);
1608 size = sizeof(struct sii_raid_conf);
1609 break;
1610
1611 case AR_F_SIS_RAID:
1612 lba = SIS_LBA(rdp->disks[disk].dev);
1613 size = sizeof(struct sis_raid_conf);
1614 break;
1615
1616 case AR_F_VIA_RAID:
1617 lba = VIA_LBA(rdp->disks[disk].dev);
1618 size = sizeof(struct via_raid_conf);
1619 break;
1620
1621 default:
1622 kprintf("ar%d: wiping of %s metadata is NOT supported yet\n",
1623 rdp->lun, ata_raid_format(rdp));
1624 return ENXIO;
1625 }
1626 meta = kmalloc(size, M_AR, M_WAITOK | M_ZERO);
1627 if (ata_raid_rw(rdp->disks[disk].dev, lba, meta, size,
1628 ATA_R_WRITE | ATA_R_DIRECT)) {
1629 device_printf(rdp->disks[disk].dev, "wipe metadata failed\n");
1630 error = EIO;
1631 }
1632 kfree(meta, M_AR);
1633 }
1634 }
1635 return error;
1636 }
1637
1638 /* Adaptec HostRAID Metadata */
1639 static int
1640 ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp)
1641 {
1642 struct ata_raid_subdisk *ars = device_get_softc(dev);
1643 device_t parent = device_get_parent(dev);
1644 struct adaptec_raid_conf *meta;
1645 struct ar_softc *raid;
1646 int array, disk, retval = 0;
1647
1648 meta = (struct adaptec_raid_conf *)
1649 kmalloc(sizeof(struct adaptec_raid_conf), M_AR, M_WAITOK | M_ZERO);
1650
1651 if (ata_raid_rw(parent, ADP_LBA(parent),
1652 meta, sizeof(struct adaptec_raid_conf), ATA_R_READ)) {
1653 if (testing || bootverbose)
1654 device_printf(parent, "Adaptec read metadata failed\n");
1655 goto adaptec_out;
1656 }
1657
1658 /* check if this is a Adaptec RAID struct */
1659 if (meta->magic_0 != ADP_MAGIC_0 || meta->magic_3 != ADP_MAGIC_3) {
1660 if (testing || bootverbose)
1661 device_printf(parent, "Adaptec check1 failed\n");
1662 goto adaptec_out;
1663 }
1664
1665 if (testing || bootverbose)
1666 ata_raid_adaptec_print_meta(meta);
1667
1668 /* now convert Adaptec metadata into our generic form */
1669 for (array = 0; array < MAX_ARRAYS; array++) {
1670 if (!raidp[array]) {
1671 raidp[array] =
1672 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
1673 M_WAITOK | M_ZERO);
1674 }
1675 raid = raidp[array];
1676 if (raid->format && (raid->format != AR_F_ADAPTEC_RAID))
1677 continue;
1678
1679 if (raid->magic_0 && raid->magic_0 != meta->configs[0].magic_0)
1680 continue;
1681
1682 if (!meta->generation || be32toh(meta->generation) > raid->generation) {
1683 switch (meta->configs[0].type) {
1684 case ADP_T_RAID0:
1685 raid->magic_0 = meta->configs[0].magic_0;
1686 raid->type = AR_T_RAID0;
1687 raid->interleave = 1 << (meta->configs[0].stripe_shift >> 1);
1688 raid->width = be16toh(meta->configs[0].total_disks);
1689 break;
1690
1691 case ADP_T_RAID1:
1692 raid->magic_0 = meta->configs[0].magic_0;
1693 raid->type = AR_T_RAID1;
1694 raid->width = be16toh(meta->configs[0].total_disks) / 2;
1695 break;
1696
1697 default:
1698 device_printf(parent, "Adaptec unknown RAID type 0x%02x\n",
1699 meta->configs[0].type);
1700 kfree(raidp[array], M_AR);
1701 raidp[array] = NULL;
1702 goto adaptec_out;
1703 }
1704
1705 raid->format = AR_F_ADAPTEC_RAID;
1706 raid->generation = be32toh(meta->generation);
1707 raid->total_disks = be16toh(meta->configs[0].total_disks);
1708 raid->total_sectors = be32toh(meta->configs[0].sectors);
1709 raid->heads = 255;
1710 raid->sectors = 63;
1711 raid->cylinders = raid->total_sectors / (63 * 255);
1712 raid->offset_sectors = 0;
1713 raid->rebuild_lba = 0;
1714 raid->lun = array;
1715 strncpy(raid->name, meta->configs[0].name,
1716 min(sizeof(raid->name), sizeof(meta->configs[0].name)));
1717
1718 /* clear out any old info */
1719 if (raid->generation) {
1720 for (disk = 0; disk < raid->total_disks; disk++) {
1721 raid->disks[disk].dev = NULL;
1722 raid->disks[disk].flags = 0;
1723 }
1724 }
1725 }
1726 if (be32toh(meta->generation) >= raid->generation) {
1727 struct ata_device *atadev = device_get_softc(parent);
1728 struct ata_channel *ch = device_get_softc(GRANDPARENT(dev));
1729 int disk_number = (ch->unit << !(ch->flags & ATA_NO_SLAVE)) +
1730 ATA_DEV(atadev->unit);
1731
1732 raid->disks[disk_number].dev = parent;
1733 raid->disks[disk_number].sectors =
1734 be32toh(meta->configs[disk_number + 1].sectors);
1735 raid->disks[disk_number].flags =
1736 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
1737 ars->raid[raid->volume] = raid;
1738 ars->disk_number[raid->volume] = disk_number;
1739 retval = 1;
1740 }
1741 break;
1742 }
1743
1744 adaptec_out:
1745 kfree(meta, M_AR);
1746 return retval;
1747 }
1748
1749 /* Highpoint V2 RocketRAID Metadata */
1750 static int
1751 ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp)
1752 {
1753 struct ata_raid_subdisk *ars = device_get_softc(dev);
1754 device_t parent = device_get_parent(dev);
1755 struct hptv2_raid_conf *meta;
1756 struct ar_softc *raid = NULL;
1757 int array, disk_number = 0, retval = 0;
1758
1759 meta = (struct hptv2_raid_conf *)kmalloc(sizeof(struct hptv2_raid_conf),
1760 M_AR, M_WAITOK | M_ZERO);
1761
1762 if (ata_raid_rw(parent, HPTV2_LBA(parent),
1763 meta, sizeof(struct hptv2_raid_conf), ATA_R_READ)) {
1764 if (testing || bootverbose)
1765 device_printf(parent, "HighPoint (v2) read metadata failed\n");
1766 goto hptv2_out;
1767 }
1768
1769 /* check if this is a HighPoint v2 RAID struct */
1770 if (meta->magic != HPTV2_MAGIC_OK && meta->magic != HPTV2_MAGIC_BAD) {
1771 if (testing || bootverbose)
1772 device_printf(parent, "HighPoint (v2) check1 failed\n");
1773 goto hptv2_out;
1774 }
1775
1776 /* is this disk defined, or an old leftover/spare ? */
1777 if (!meta->magic_0) {
1778 if (testing || bootverbose)
1779 device_printf(parent, "HighPoint (v2) check2 failed\n");
1780 goto hptv2_out;
1781 }
1782
1783 if (testing || bootverbose)
1784 ata_raid_hptv2_print_meta(meta);
1785
1786 /* now convert HighPoint (v2) metadata into our generic form */
1787 for (array = 0; array < MAX_ARRAYS; array++) {
1788 if (!raidp[array]) {
1789 raidp[array] =
1790 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
1791 M_WAITOK | M_ZERO);
1792 }
1793 raid = raidp[array];
1794 if (raid->format && (raid->format != AR_F_HPTV2_RAID))
1795 continue;
1796
1797 switch (meta->type) {
1798 case HPTV2_T_RAID0:
1799 if ((meta->order & (HPTV2_O_RAID0|HPTV2_O_OK)) ==
1800 (HPTV2_O_RAID0|HPTV2_O_OK))
1801 goto highpoint_raid1;
1802 if (meta->order & (HPTV2_O_RAID0 | HPTV2_O_RAID1))
1803 goto highpoint_raid01;
1804 if (raid->magic_0 && raid->magic_0 != meta->magic_0)
1805 continue;
1806 raid->magic_0 = meta->magic_0;
1807 raid->type = AR_T_RAID0;
1808 raid->interleave = 1 << meta->stripe_shift;
1809 disk_number = meta->disk_number;
1810 if (!(meta->order & HPTV2_O_OK))
1811 meta->magic = 0; /* mark bad */
1812 break;
1813
1814 case HPTV2_T_RAID1:
1815 highpoint_raid1:
1816 if (raid->magic_0 && raid->magic_0 != meta->magic_0)
1817 continue;
1818 raid->magic_0 = meta->magic_0;
1819 raid->type = AR_T_RAID1;
1820 disk_number = (meta->disk_number > 0);
1821 break;
1822
1823 case HPTV2_T_RAID01_RAID0:
1824 highpoint_raid01:
1825 if (meta->order & HPTV2_O_RAID0) {
1826 if ((raid->magic_0 && raid->magic_0 != meta->magic_0) ||
1827 (raid->magic_1 && raid->magic_1 != meta->magic_1))
1828 continue;
1829 raid->magic_0 = meta->magic_0;
1830 raid->magic_1 = meta->magic_1;
1831 raid->type = AR_T_RAID01;
1832 raid->interleave = 1 << meta->stripe_shift;
1833 disk_number = meta->disk_number;
1834 }
1835 else {
1836 if (raid->magic_1 && raid->magic_1 != meta->magic_1)
1837 continue;
1838 raid->magic_1 = meta->magic_1;
1839 raid->type = AR_T_RAID01;
1840 raid->interleave = 1 << meta->stripe_shift;
1841 disk_number = meta->disk_number + meta->array_width;
1842 if (!(meta->order & HPTV2_O_RAID1))
1843 meta->magic = 0; /* mark bad */
1844 }
1845 break;
1846
1847 case HPTV2_T_SPAN:
1848 if (raid->magic_0 && raid->magic_0 != meta->magic_0)
1849 continue;
1850 raid->magic_0 = meta->magic_0;
1851 raid->type = AR_T_SPAN;
1852 disk_number = meta->disk_number;
1853 break;
1854
1855 default:
1856 device_printf(parent, "Highpoint (v2) unknown RAID type 0x%02x\n",
1857 meta->type);
1858 kfree(raidp[array], M_AR);
1859 raidp[array] = NULL;
1860 goto hptv2_out;
1861 }
1862
1863 raid->format |= AR_F_HPTV2_RAID;
1864 raid->disks[disk_number].dev = parent;
1865 raid->disks[disk_number].flags = (AR_DF_PRESENT | AR_DF_ASSIGNED);
1866 raid->lun = array;
1867 strncpy(raid->name, meta->name_1,
1868 min(sizeof(raid->name), sizeof(meta->name_1)));
1869 if (meta->magic == HPTV2_MAGIC_OK) {
1870 raid->disks[disk_number].flags |= AR_DF_ONLINE;
1871 raid->width = meta->array_width;
1872 raid->total_sectors = meta->total_sectors;
1873 raid->heads = 255;
1874 raid->sectors = 63;
1875 raid->cylinders = raid->total_sectors / (63 * 255);
1876 raid->offset_sectors = HPTV2_LBA(parent) + 1;
1877 raid->rebuild_lba = meta->rebuild_lba;
1878 raid->disks[disk_number].sectors =
1879 raid->total_sectors / raid->width;
1880 }
1881 else
1882 raid->disks[disk_number].flags &= ~AR_DF_ONLINE;
1883
1884 if ((raid->type & AR_T_RAID0) && (raid->total_disks < raid->width))
1885 raid->total_disks = raid->width;
1886 if (disk_number >= raid->total_disks)
1887 raid->total_disks = disk_number + 1;
1888 ars->raid[raid->volume] = raid;
1889 ars->disk_number[raid->volume] = disk_number;
1890 retval = 1;
1891 break;
1892 }
1893
1894 hptv2_out:
1895 kfree(meta, M_AR);
1896 return retval;
1897 }
1898
1899 static int
1900 ata_raid_hptv2_write_meta(struct ar_softc *rdp)
1901 {
1902 struct hptv2_raid_conf *meta;
1903 struct timeval timestamp;
1904 int disk, error = 0;
1905
1906 meta = (struct hptv2_raid_conf *)kmalloc(sizeof(struct hptv2_raid_conf),
1907 M_AR, M_WAITOK | M_ZERO);
1908
1909 microtime(&timestamp);
1910 rdp->magic_0 = timestamp.tv_sec + 2;
1911 rdp->magic_1 = timestamp.tv_sec;
1912
1913 for (disk = 0; disk < rdp->total_disks; disk++) {
1914 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) ==
1915 (AR_DF_PRESENT | AR_DF_ONLINE))
1916 meta->magic = HPTV2_MAGIC_OK;
1917 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) {
1918 meta->magic_0 = rdp->magic_0;
1919 if (strlen(rdp->name))
1920 strncpy(meta->name_1, rdp->name, sizeof(meta->name_1));
1921 else
1922 strcpy(meta->name_1, "FreeBSD");
1923 }
1924 meta->disk_number = disk;
1925
1926 switch (rdp->type) {
1927 case AR_T_RAID0:
1928 meta->type = HPTV2_T_RAID0;
1929 strcpy(meta->name_2, "RAID 0");
1930 if (rdp->disks[disk].flags & AR_DF_ONLINE)
1931 meta->order = HPTV2_O_OK;
1932 break;
1933
1934 case AR_T_RAID1:
1935 meta->type = HPTV2_T_RAID0;
1936 strcpy(meta->name_2, "RAID 1");
1937 meta->disk_number = (disk < rdp->width) ? disk : disk + 5;
1938 meta->order = HPTV2_O_RAID0 | HPTV2_O_OK;
1939 break;
1940
1941 case AR_T_RAID01:
1942 meta->type = HPTV2_T_RAID01_RAID0;
1943 strcpy(meta->name_2, "RAID 0+1");
1944 if (rdp->disks[disk].flags & AR_DF_ONLINE) {
1945 if (disk < rdp->width) {
1946 meta->order = (HPTV2_O_RAID0 | HPTV2_O_RAID1);
1947 meta->magic_0 = rdp->magic_0 - 1;
1948 }
1949 else {
1950 meta->order = HPTV2_O_RAID1;
1951 meta->disk_number -= rdp->width;
1952 }
1953 }
1954 else
1955 meta->magic_0 = rdp->magic_0 - 1;
1956 meta->magic_1 = rdp->magic_1;
1957 break;
1958
1959 case AR_T_SPAN:
1960 meta->type = HPTV2_T_SPAN;
1961 strcpy(meta->name_2, "SPAN");
1962 break;
1963 default:
1964 kfree(meta, M_AR);
1965 return ENODEV;
1966 }
1967
1968 meta->array_width = rdp->width;
1969 meta->stripe_shift = (rdp->width > 1) ? (ffs(rdp->interleave)-1) : 0;
1970 meta->total_sectors = rdp->total_sectors;
1971 meta->rebuild_lba = rdp->rebuild_lba;
1972 if (testing || bootverbose)
1973 ata_raid_hptv2_print_meta(meta);
1974 if (rdp->disks[disk].dev) {
1975 if (ata_raid_rw(rdp->disks[disk].dev,
1976 HPTV2_LBA(rdp->disks[disk].dev), meta,
1977 sizeof(struct promise_raid_conf),
1978 ATA_R_WRITE | ATA_R_DIRECT)) {
1979 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
1980 error = EIO;
1981 }
1982 }
1983 }
1984 kfree(meta, M_AR);
1985 return error;
1986 }
1987
1988 /* Highpoint V3 RocketRAID Metadata */
1989 static int
1990 ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp)
1991 {
1992 struct ata_raid_subdisk *ars = device_get_softc(dev);
1993 device_t parent = device_get_parent(dev);
1994 struct hptv3_raid_conf *meta;
1995 struct ar_softc *raid = NULL;
1996 int array, disk_number, retval = 0;
1997
1998 meta = (struct hptv3_raid_conf *)kmalloc(sizeof(struct hptv3_raid_conf),
1999 M_AR, M_WAITOK | M_ZERO);
2000
2001 if (ata_raid_rw(parent, HPTV3_LBA(parent),
2002 meta, sizeof(struct hptv3_raid_conf), ATA_R_READ)) {
2003 if (testing || bootverbose)
2004 device_printf(parent, "HighPoint (v3) read metadata failed\n");
2005 goto hptv3_out;
2006 }
2007
2008 /* check if this is a HighPoint v3 RAID struct */
2009 if (meta->magic != HPTV3_MAGIC) {
2010 if (testing || bootverbose)
2011 device_printf(parent, "HighPoint (v3) check1 failed\n");
2012 goto hptv3_out;
2013 }
2014
2015 /* check if there are any config_entries */
2016 if (meta->config_entries < 1) {
2017 if (testing || bootverbose)
2018 device_printf(parent, "HighPoint (v3) check2 failed\n");
2019 goto hptv3_out;
2020 }
2021
2022 if (testing || bootverbose)
2023 ata_raid_hptv3_print_meta(meta);
2024
2025 /* now convert HighPoint (v3) metadata into our generic form */
2026 for (array = 0; array < MAX_ARRAYS; array++) {
2027 if (!raidp[array]) {
2028 raidp[array] =
2029 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
2030 M_WAITOK | M_ZERO);
2031 }
2032 raid = raidp[array];
2033 if (raid->format && (raid->format != AR_F_HPTV3_RAID))
2034 continue;
2035
2036 if ((raid->format & AR_F_HPTV3_RAID) && raid->magic_0 != meta->magic_0)
2037 continue;
2038
2039 switch (meta->configs[0].type) {
2040 case HPTV3_T_RAID0:
2041 raid->type = AR_T_RAID0;
2042 raid->width = meta->configs[0].total_disks;
2043 disk_number = meta->configs[0].disk_number;
2044 break;
2045
2046 case HPTV3_T_RAID1:
2047 raid->type = AR_T_RAID1;
2048 raid->width = meta->configs[0].total_disks / 2;
2049 disk_number = meta->configs[0].disk_number;
2050 break;
2051
2052 case HPTV3_T_RAID5:
2053 raid->type = AR_T_RAID5;
2054 raid->width = meta->configs[0].total_disks;
2055 disk_number = meta->configs[0].disk_number;
2056 break;
2057
2058 case HPTV3_T_SPAN:
2059 raid->type = AR_T_SPAN;
2060 raid->width = meta->configs[0].total_disks;
2061 disk_number = meta->configs[0].disk_number;
2062 break;
2063
2064 default:
2065 device_printf(parent, "Highpoint (v3) unknown RAID type 0x%02x\n",
2066 meta->configs[0].type);
2067 kfree(raidp[array], M_AR);
2068 raidp[array] = NULL;
2069 goto hptv3_out;
2070 }
2071 if (meta->config_entries == 2) {
2072 switch (meta->configs[1].type) {
2073 case HPTV3_T_RAID1:
2074 if (raid->type == AR_T_RAID0) {
2075 raid->type = AR_T_RAID01;
2076 disk_number = meta->configs[1].disk_number +
2077 (meta->configs[0].disk_number << 1);
2078 break;
2079 }
2080 default:
2081 device_printf(parent, "Highpoint (v3) unknown level 2 0x%02x\n",
2082 meta->configs[1].type);
2083 kfree(raidp[array], M_AR);
2084 raidp[array] = NULL;
2085 goto hptv3_out;
2086 }
2087 }
2088
2089 raid->magic_0 = meta->magic_0;
2090 raid->format = AR_F_HPTV3_RAID;
2091 raid->generation = meta->timestamp;
2092 raid->interleave = 1 << meta->configs[0].stripe_shift;
2093 raid->total_disks = meta->configs[0].total_disks +
2094 meta->configs[1].total_disks;
2095 raid->total_sectors = meta->configs[0].total_sectors +
2096 ((u_int64_t)meta->configs_high[0].total_sectors << 32);
2097 raid->heads = 255;
2098 raid->sectors = 63;
2099 raid->cylinders = raid->total_sectors / (63 * 255);
2100 raid->offset_sectors = 0;
2101 raid->rebuild_lba = meta->configs[0].rebuild_lba +
2102 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32);
2103 raid->lun = array;
2104 strncpy(raid->name, meta->name,
2105 min(sizeof(raid->name), sizeof(meta->name)));
2106 raid->disks[disk_number].sectors = raid->total_sectors /
2107 (raid->type == AR_T_RAID5 ? raid->width - 1 : raid->width);
2108 raid->disks[disk_number].dev = parent;
2109 raid->disks[disk_number].flags =
2110 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
2111 ars->raid[raid->volume] = raid;
2112 ars->disk_number[raid->volume] = disk_number;
2113 retval = 1;
2114 break;
2115 }
2116
2117 hptv3_out:
2118 kfree(meta, M_AR);
2119 return retval;
2120 }
2121
2122 /* Intel MatrixRAID Metadata */
2123 static int
2124 ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp)
2125 {
2126 struct ata_raid_subdisk *ars = device_get_softc(dev);
2127 device_t parent = device_get_parent(dev);
2128 struct intel_raid_conf *meta;
2129 struct intel_raid_mapping *map;
2130 struct ar_softc *raid = NULL;
2131 u_int32_t checksum, *ptr;
2132 int array, count, disk, volume = 1, retval = 0;
2133 char *tmp;
2134
2135 meta = (struct intel_raid_conf *)kmalloc(1536, M_AR, M_WAITOK | M_ZERO);
2136
2137 if (ata_raid_rw(parent, INTEL_LBA(parent), meta, 1024, ATA_R_READ)) {
2138 if (testing || bootverbose)
2139 device_printf(parent, "Intel read metadata failed\n");
2140 goto intel_out;
2141 }
2142 tmp = (char *)meta;
2143 bcopy(tmp, tmp+1024, 512);
2144 bcopy(tmp+512, tmp, 1024);
2145 bzero(tmp+1024, 512);
2146
2147 /* check if this is a Intel RAID struct */
2148 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) {
2149 if (testing || bootverbose)
2150 device_printf(parent, "Intel check1 failed\n");
2151 goto intel_out;
2152 }
2153
2154 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0;
2155 count < (meta->config_size / sizeof(u_int32_t)); count++) {
2156 checksum += *ptr++;
2157 }
2158 checksum -= meta->checksum;
2159 if (checksum != meta->checksum) {
2160 if (testing || bootverbose)
2161 device_printf(parent, "Intel check2 failed\n");
2162 goto intel_out;
2163 }
2164
2165 if (testing || bootverbose)
2166 ata_raid_intel_print_meta(meta);
2167
2168 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks];
2169
2170 /* now convert Intel metadata into our generic form */
2171 for (array = 0; array < MAX_ARRAYS; array++) {
2172 if (!raidp[array]) {
2173 raidp[array] =
2174 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
2175 M_WAITOK | M_ZERO);
2176 }
2177 raid = raidp[array];
2178 if (raid->format && (raid->format != AR_F_INTEL_RAID))
2179 continue;
2180
2181 if ((raid->format & AR_F_INTEL_RAID) &&
2182 (raid->magic_0 != meta->config_id))
2183 continue;
2184
2185 /*
2186 * update our knowledge about the array config based on generation
2187 * NOTE: there can be multiple volumes on a disk set
2188 */
2189 if (!meta->generation || meta->generation > raid->generation) {
2190 switch (map->type) {
2191 case INTEL_T_RAID0:
2192 raid->type = AR_T_RAID0;
2193 raid->width = map->total_disks;
2194 break;
2195
2196 case INTEL_T_RAID1:
2197 if (map->total_disks == 4)
2198 raid->type = AR_T_RAID01;
2199 else
2200 raid->type = AR_T_RAID1;
2201 raid->width = map->total_disks / 2;
2202 break;
2203
2204 case INTEL_T_RAID5:
2205 raid->type = AR_T_RAID5;
2206 raid->width = map->total_disks;
2207 break;
2208
2209 default:
2210 device_printf(parent, "Intel unknown RAID type 0x%02x\n",
2211 map->type);
2212 kfree(raidp[array], M_AR);
2213 raidp[array] = NULL;
2214 goto intel_out;
2215 }
2216
2217 switch (map->status) {
2218 case INTEL_S_READY:
2219 raid->status = AR_S_READY;
2220 break;
2221 case INTEL_S_DEGRADED:
2222 raid->status |= AR_S_DEGRADED;
2223 break;
2224 case INTEL_S_DISABLED:
2225 case INTEL_S_FAILURE:
2226 raid->status = 0;
2227 }
2228
2229 raid->magic_0 = meta->config_id;
2230 raid->format = AR_F_INTEL_RAID;
2231 raid->generation = meta->generation;
2232 raid->interleave = map->stripe_sectors;
2233 raid->total_disks = map->total_disks;
2234 raid->total_sectors = map->total_sectors;
2235 raid->heads = 255;
2236 raid->sectors = 63;
2237 raid->cylinders = raid->total_sectors / (63 * 255);
2238 raid->offset_sectors = map->offset;
2239 raid->rebuild_lba = 0;
2240 raid->lun = array;
2241 raid->volume = volume - 1;
2242 strncpy(raid->name, map->name,
2243 min(sizeof(raid->name), sizeof(map->name)));
2244
2245 /* clear out any old info */
2246 for (disk = 0; disk < raid->total_disks; disk++) {
2247 raid->disks[disk].dev = NULL;
2248 bcopy(meta->disk[map->disk_idx[disk]].serial,
2249 raid->disks[disk].serial,
2250 sizeof(raid->disks[disk].serial));
2251 raid->disks[disk].sectors =
2252 meta->disk[map->disk_idx[disk]].sectors;
2253 raid->disks[disk].flags = 0;
2254 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_ONLINE)
2255 raid->disks[disk].flags |= AR_DF_ONLINE;
2256 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_ASSIGNED)
2257 raid->disks[disk].flags |= AR_DF_ASSIGNED;
2258 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_SPARE) {
2259 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED);
2260 raid->disks[disk].flags |= AR_DF_SPARE;
2261 }
2262 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_DOWN)
2263 raid->disks[disk].flags &= ~AR_DF_ONLINE;
2264 }
2265 }
2266 if (meta->generation >= raid->generation) {
2267 for (disk = 0; disk < raid->total_disks; disk++) {
2268 struct ata_device *atadev = device_get_softc(parent);
2269
2270 if (!strncmp(raid->disks[disk].serial, atadev->param.serial,
2271 sizeof(raid->disks[disk].serial))) {
2272 raid->disks[disk].dev = parent;
2273 raid->disks[disk].flags |= (AR_DF_PRESENT | AR_DF_ONLINE);
2274 ars->raid[raid->volume] = raid;
2275 ars->disk_number[raid->volume] = disk;
2276 retval = 1;
2277 }
2278 }
2279 }
2280 else
2281 goto intel_out;
2282
2283 if (retval) {
2284 if (volume < meta->total_volumes) {
2285 map = (struct intel_raid_mapping *)
2286 &map->disk_idx[map->total_disks];
2287 volume++;
2288 retval = 0;
2289 continue;
2290 }
2291 break;
2292 }
2293 else {
2294 kfree(raidp[array], M_AR);
2295 raidp[array] = NULL;
2296 if (volume == 2)
2297 retval = 1;
2298 }
2299 }
2300
2301 intel_out:
2302 kfree(meta, M_AR);
2303 return retval;
2304 }
2305
2306 static int
2307 ata_raid_intel_write_meta(struct ar_softc *rdp)
2308 {
2309 struct intel_raid_conf *meta;
2310 struct intel_raid_mapping *map;
2311 struct timeval timestamp;
2312 u_int32_t checksum, *ptr;
2313 int count, disk, error = 0;
2314 char *tmp;
2315
2316 meta = (struct intel_raid_conf *)kmalloc(1536, M_AR, M_WAITOK | M_ZERO);
2317
2318 rdp->generation++;
2319
2320 /* Generate a new config_id if none exists */
2321 if (!rdp->magic_0) {
2322 microtime(&timestamp);
2323 rdp->magic_0 = timestamp.tv_sec ^ timestamp.tv_usec;
2324 }
2325
2326 bcopy(INTEL_MAGIC, meta->intel_id, sizeof(meta->intel_id));
2327 bcopy(INTEL_VERSION_1100, meta->version, sizeof(meta->version));
2328 meta->config_id = rdp->magic_0;
2329 meta->generation = rdp->generation;
2330 meta->total_disks = rdp->total_disks;
2331 meta->total_volumes = 1; /* XXX SOS */
2332 for (disk = 0; disk < rdp->total_disks; disk++) {
2333 if (rdp->disks[disk].dev) {
2334 struct ata_channel *ch =
2335 device_get_softc(device_get_parent(rdp->disks[disk].dev));
2336 struct ata_device *atadev =
2337 device_get_softc(rdp->disks[disk].dev);
2338
2339 bcopy(atadev->param.serial, meta->disk[disk].serial,
2340 sizeof(rdp->disks[disk].serial));
2341 meta->disk[disk].sectors = rdp->disks[disk].sectors;
2342 meta->disk[disk].id = (ch->unit << 16) | ATA_DEV(atadev->unit);
2343 }
2344 else
2345 meta->disk[disk].sectors = rdp->total_sectors / rdp->width;
2346 meta->disk[disk].flags = 0;
2347 if (rdp->disks[disk].flags & AR_DF_SPARE)
2348 meta->disk[disk].flags |= INTEL_F_SPARE;
2349 else {
2350 if (rdp->disks[disk].flags & AR_DF_ONLINE)
2351 meta->disk[disk].flags |= INTEL_F_ONLINE;
2352 else
2353 meta->disk[disk].flags |= INTEL_F_DOWN;
2354 if (rdp->disks[disk].flags & AR_DF_ASSIGNED)
2355 meta->disk[disk].flags |= INTEL_F_ASSIGNED;
2356 }
2357 }
2358 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks];
2359
2360 bcopy(rdp->name, map->name, sizeof(rdp->name));
2361 map->total_sectors = rdp->total_sectors;
2362 map->state = 12; /* XXX SOS */
2363 map->offset = rdp->offset_sectors;
2364 map->stripe_count = rdp->total_sectors / (rdp->interleave*rdp->total_disks);
2365 map->stripe_sectors = rdp->interleave;
2366 map->disk_sectors = rdp->total_sectors / rdp->width;
2367 map->status = INTEL_S_READY; /* XXX SOS */
2368 switch (rdp->type) {
2369 case AR_T_RAID0:
2370 map->type = INTEL_T_RAID0;
2371 break;
2372 case AR_T_RAID1:
2373 map->type = INTEL_T_RAID1;
2374 break;
2375 case AR_T_RAID01:
2376 map->type = INTEL_T_RAID1;
2377 break;
2378 case AR_T_RAID5:
2379 map->type = INTEL_T_RAID5;
2380 break;
2381 default:
2382 kfree(meta, M_AR);
2383 return ENODEV;
2384 }
2385 map->total_disks = rdp->total_disks;
2386 map->magic[0] = 0x02;
2387 map->magic[1] = 0xff;
2388 map->magic[2] = 0x01;
2389 for (disk = 0; disk < rdp->total_disks; disk++)
2390 map->disk_idx[disk] = disk;
2391
2392 meta->config_size = (char *)&map->disk_idx[disk] - (char *)meta;
2393 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0;
2394 count < (meta->config_size / sizeof(u_int32_t)); count++) {
2395 checksum += *ptr++;
2396 }
2397 meta->checksum = checksum;
2398
2399 if (testing || bootverbose)
2400 ata_raid_intel_print_meta(meta);
2401
2402 tmp = (char *)meta;
2403 bcopy(tmp, tmp+1024, 512);
2404 bcopy(tmp+512, tmp, 1024);
2405 bzero(tmp+1024, 512);
2406
2407 for (disk = 0; disk < rdp->total_disks; disk++) {
2408 if (rdp->disks[disk].dev) {
2409 if (ata_raid_rw(rdp->disks[disk].dev,
2410 INTEL_LBA(rdp->disks[disk].dev),
2411 meta, 1024, ATA_R_WRITE | ATA_R_DIRECT)) {
2412 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
2413 error = EIO;
2414 }
2415 }
2416 }
2417 kfree(meta, M_AR);
2418 return error;
2419 }
2420
2421
2422 /* Integrated Technology Express Metadata */
2423 static int
2424 ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp)
2425 {
2426 struct ata_raid_subdisk *ars = device_get_softc(dev);
2427 device_t parent = device_get_parent(dev);
2428 struct ite_raid_conf *meta;
2429 struct ar_softc *raid = NULL;
2430 int array, disk_number, count, retval = 0;
2431 u_int16_t *ptr;
2432
2433 meta = (struct ite_raid_conf *)kmalloc(sizeof(struct ite_raid_conf), M_AR,
2434 M_WAITOK | M_ZERO);
2435
2436 if (ata_raid_rw(parent, ITE_LBA(parent),
2437 meta, sizeof(struct ite_raid_conf), ATA_R_READ)) {
2438 if (testing || bootverbose)
2439 device_printf(parent, "ITE read metadata failed\n");
2440 goto ite_out;
2441 }
2442
2443 /* check if this is a ITE RAID struct */
2444 for (ptr = (u_int16_t *)meta->ite_id, count = 0;
2445 count < sizeof(meta->ite_id)/sizeof(uint16_t); count++)
2446 ptr[count] = be16toh(ptr[count]);
2447
2448 if (strncmp(meta->ite_id, ITE_MAGIC, strlen(ITE_MAGIC))) {
2449 if (testing || bootverbose)
2450 device_printf(parent, "ITE check1 failed\n");
2451 goto ite_out;
2452 }
2453
2454 if (testing || bootverbose)
2455 ata_raid_ite_print_meta(meta);
2456
2457 /* now convert ITE metadata into our generic form */
2458 for (array = 0; array < MAX_ARRAYS; array++) {
2459 if ((raid = raidp[array])) {
2460 if (raid->format != AR_F_ITE_RAID)
2461 continue;
2462 if (raid->magic_0 != *((u_int64_t *)meta->timestamp_0))
2463 continue;
2464 }
2465
2466 /* if we dont have a disks timestamp the RAID is invalidated */
2467 if (*((u_int64_t *)meta->timestamp_1) == 0)
2468 goto ite_out;
2469
2470 if (!raid) {
2471 raidp[array] = (struct ar_softc *)kmalloc(sizeof(struct ar_softc),
2472 M_AR, M_WAITOK | M_ZERO);
2473 }
2474
2475 switch (meta->type) {
2476 case ITE_T_RAID0:
2477 raid->type = AR_T_RAID0;
2478 raid->width = meta->array_width;
2479 raid->total_disks = meta->array_width;
2480 disk_number = meta->disk_number;
2481 break;
2482
2483 case ITE_T_RAID1:
2484 raid->type = AR_T_RAID1;
2485 raid->width = 1;
2486 raid->total_disks = 2;
2487 disk_number = meta->disk_number;
2488 break;
2489
2490 case ITE_T_RAID01:
2491 raid->type = AR_T_RAID01;
2492 raid->width = meta->array_width;
2493 raid->total_disks = 4;
2494 disk_number = ((meta->disk_number & 0x02) >> 1) |
2495 ((meta->disk_number & 0x01) << 1);
2496 break;
2497
2498 case ITE_T_SPAN:
2499 raid->type = AR_T_SPAN;
2500 raid->width = 1;
2501 raid->total_disks = meta->array_width;
2502 disk_number = meta->disk_number;
2503 break;
2504
2505 default:
2506 device_printf(parent, "ITE unknown RAID type 0x%02x\n", meta->type);
2507 kfree(raidp[array], M_AR);
2508 raidp[array] = NULL;
2509 goto ite_out;
2510 }
2511
2512 raid->magic_0 = *((u_int64_t *)meta->timestamp_0);
2513 raid->format = AR_F_ITE_RAID;
2514 raid->generation = 0;
2515 raid->interleave = meta->stripe_sectors;
2516 raid->total_sectors = meta->total_sectors;
2517 raid->heads = 255;
2518 raid->sectors = 63;
2519 raid->cylinders = raid->total_sectors / (63 * 255);
2520 raid->offset_sectors = 0;
2521 raid->rebuild_lba = 0;
2522 raid->lun = array;
2523
2524 raid->disks[disk_number].dev = parent;
2525 raid->disks[disk_number].sectors = raid->total_sectors / raid->width;
2526 raid->disks[disk_number].flags =
2527 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
2528 ars->raid[raid->volume] = raid;
2529 ars->disk_number[raid->volume] = disk_number;
2530 retval = 1;
2531 break;
2532 }
2533 ite_out:
2534 kfree(meta, M_AR);
2535 return retval;
2536 }
2537
2538 /* JMicron Technology Corp Metadata */
2539 static int
2540 ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp)
2541 {
2542 struct ata_raid_subdisk *ars = device_get_softc(dev);
2543 device_t parent = device_get_parent(dev);
2544 struct jmicron_raid_conf *meta;
2545 struct ar_softc *raid = NULL;
2546 u_int16_t checksum, *ptr;
2547 u_int64_t disk_size;
2548 int count, array, disk, total_disks, retval = 0;
2549
2550 meta = (struct jmicron_raid_conf *)
2551 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO);
2552
2553 if (ata_raid_rw(parent, JMICRON_LBA(parent),
2554 meta, sizeof(struct jmicron_raid_conf), ATA_R_READ)) {
2555 if (testing || bootverbose)
2556 device_printf(parent,
2557 "JMicron read metadata failed\n");
2558 }
2559
2560 /* check for JMicron signature */
2561 if (strncmp(meta->signature, JMICRON_MAGIC, 2)) {
2562 if (testing || bootverbose)
2563 device_printf(parent, "JMicron check1 failed\n");
2564 goto jmicron_out;
2565 }
2566
2567 /* calculate checksum and compare for valid */
2568 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 64; count++)
2569 checksum += *ptr++;
2570 if (checksum) {
2571 if (testing || bootverbose)
2572 device_printf(parent, "JMicron check2 failed\n");
2573 goto jmicron_out;
2574 }
2575
2576 if (testing || bootverbose)
2577 ata_raid_jmicron_print_meta(meta);
2578
2579 /* now convert JMicron meta into our generic form */
2580 for (array = 0; array < MAX_ARRAYS; array++) {
2581 jmicron_next:
2582 if (!raidp[array]) {
2583 raidp[array] =
2584 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
2585 M_WAITOK | M_ZERO);
2586 }
2587 raid = raidp[array];
2588 if (raid->format && (raid->format != AR_F_JMICRON_RAID))
2589 continue;
2590
2591 for (total_disks = 0, disk = 0; disk < JM_MAX_DISKS; disk++) {
2592 if (meta->disks[disk]) {
2593 if (raid->format == AR_F_JMICRON_RAID) {
2594 if (bcmp(&meta->disks[disk],
2595 raid->disks[disk].serial, sizeof(u_int32_t))) {
2596 array++;
2597 goto jmicron_next;
2598 }
2599 }
2600 else
2601 bcopy(&meta->disks[disk],
2602 raid->disks[disk].serial, sizeof(u_int32_t));
2603 total_disks++;
2604 }
2605 }
2606 /* handle spares XXX SOS */
2607
2608 switch (meta->type) {
2609 case JM_T_RAID0:
2610 raid->type = AR_T_RAID0;
2611 raid->width = total_disks;
2612 break;
2613
2614 case JM_T_RAID1:
2615 raid->type = AR_T_RAID1;
2616 raid->width = 1;
2617 break;
2618
2619 case JM_T_RAID01:
2620 raid->type = AR_T_RAID01;
2621 raid->width = total_disks / 2;
2622 break;
2623
2624 case JM_T_RAID5:
2625 raid->type = AR_T_RAID5;
2626 raid->width = total_disks;
2627 break;
2628
2629 case JM_T_JBOD:
2630 raid->type = AR_T_SPAN;
2631 raid->width = 1;
2632 break;
2633
2634 default:
2635 device_printf(parent,
2636 "JMicron unknown RAID type 0x%02x\n", meta->type);
2637 kfree(raidp[array], M_AR);
2638 raidp[array] = NULL;
2639 goto jmicron_out;
2640 }
2641 disk_size = (meta->disk_sectors_high << 16) + meta->disk_sectors_low;
2642 raid->format = AR_F_JMICRON_RAID;
2643 strncpy(raid->name, meta->name, sizeof(meta->name));
2644 raid->generation = 0;
2645 raid->interleave = 2 << meta->stripe_shift;
2646 raid->total_disks = total_disks;
2647 raid->total_sectors = disk_size * (raid->width-(raid->type==AR_RAID5));
2648 raid->heads = 255;
2649 raid->sectors = 63;
2650 raid->cylinders = raid->total_sectors / (63 * 255);
2651 raid->offset_sectors = meta->offset * 16;
2652 raid->rebuild_lba = 0;
2653 raid->lun = array;
2654
2655 for (disk = 0; disk < raid->total_disks; disk++) {
2656 if (meta->disks[disk] == meta->disk_id) {
2657 raid->disks[disk].dev = parent;
2658 raid->disks[disk].sectors = disk_size;
2659 raid->disks[disk].flags =
2660 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
2661 ars->raid[raid->volume] = raid;
2662 ars->disk_number[raid->volume] = disk;
2663 retval = 1;
2664 break;
2665 }
2666 }
2667 break;
2668 }
2669 jmicron_out:
2670 kfree(meta, M_AR);
2671 return retval;
2672 }
2673
2674 static int
2675 ata_raid_jmicron_write_meta(struct ar_softc *rdp)
2676 {
2677 struct jmicron_raid_conf *meta;
2678 u_int64_t disk_sectors;
2679 int disk, error = 0;
2680
2681 meta = (struct jmicron_raid_conf *)
2682 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO);
2683
2684 rdp->generation++;
2685 switch (rdp->type) {
2686 case AR_T_JBOD:
2687 meta->type = JM_T_JBOD;
2688 break;
2689
2690 case AR_T_RAID0:
2691 meta->type = JM_T_RAID0;
2692 break;
2693
2694 case AR_T_RAID1:
2695 meta->type = JM_T_RAID1;
2696 break;
2697
2698 case AR_T_RAID5:
2699 meta->type = JM_T_RAID5;
2700 break;
2701
2702 case AR_T_RAID01:
2703 meta->type = JM_T_RAID01;
2704 break;
2705
2706 default:
2707 kfree(meta, M_AR);
2708 return ENODEV;
2709 }
2710 bcopy(JMICRON_MAGIC, meta->signature, sizeof(JMICRON_MAGIC));
2711 meta->version = JMICRON_VERSION;
2712 meta->offset = rdp->offset_sectors / 16;
2713 disk_sectors = rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5));
2714 meta->disk_sectors_low = disk_sectors & 0xffff;
2715 meta->disk_sectors_high = disk_sectors >> 16;
2716 strncpy(meta->name, rdp->name, sizeof(meta->name));
2717 meta->stripe_shift = ffs(rdp->interleave) - 2;
2718
2719 for (disk = 0; disk < rdp->total_disks; disk++) {
2720 if (rdp->disks[disk].serial[0])
2721 bcopy(rdp->disks[disk].serial,&meta->disks[disk],sizeof(u_int32_t));
2722 else
2723 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev;
2724 }
2725
2726 for (disk = 0; disk < rdp->total_disks; disk++) {
2727 if (rdp->disks[disk].dev) {
2728 u_int16_t checksum = 0, *ptr;
2729 int count;
2730
2731 meta->disk_id = meta->disks[disk];
2732 meta->checksum = 0;
2733 for (ptr = (u_int16_t *)meta, count = 0; count < 64; count++)
2734 checksum += *ptr++;
2735 meta->checksum -= checksum;
2736
2737 if (testing || bootverbose)
2738 ata_raid_jmicron_print_meta(meta);
2739
2740 if (ata_raid_rw(rdp->disks[disk].dev,
2741 JMICRON_LBA(rdp->disks[disk].dev),
2742 meta, sizeof(struct jmicron_raid_conf),
2743 ATA_R_WRITE | ATA_R_DIRECT)) {
2744 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
2745 error = EIO;
2746 }
2747 }
2748 }
2749 /* handle spares XXX SOS */
2750
2751 kfree(meta, M_AR);
2752 return error;
2753 }
2754
2755 /* LSILogic V2 MegaRAID Metadata */
2756 static int
2757 ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp)
2758 {
2759 struct ata_raid_subdisk *ars = device_get_softc(dev);
2760 device_t parent = device_get_parent(dev);
2761 struct lsiv2_raid_conf *meta;
2762 struct ar_softc *raid = NULL;
2763 int array, retval = 0;
2764
2765 meta = (struct lsiv2_raid_conf *)kmalloc(sizeof(struct lsiv2_raid_conf),
2766 M_AR, M_WAITOK | M_ZERO);
2767
2768 if (ata_raid_rw(parent, LSIV2_LBA(parent),
2769 meta, sizeof(struct lsiv2_raid_conf), ATA_R_READ)) {
2770 if (testing || bootverbose)
2771 device_printf(parent, "LSI (v2) read metadata failed\n");
2772 goto lsiv2_out;
2773 }
2774
2775 /* check if this is a LSI RAID struct */
2776 if (strncmp(meta->lsi_id, LSIV2_MAGIC, strlen(LSIV2_MAGIC))) {
2777 if (testing || bootverbose)
2778 device_printf(parent, "LSI (v2) check1 failed\n");
2779 goto lsiv2_out;
2780 }
2781
2782 if (testing || bootverbose)
2783 ata_raid_lsiv2_print_meta(meta);
2784
2785 /* now convert LSI (v2) config meta into our generic form */
2786 for (array = 0; array < MAX_ARRAYS; array++) {
2787 int raid_entry, conf_entry;
2788
2789 if (!raidp[array + meta->raid_number]) {
2790 raidp[array + meta->raid_number] =
2791 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
2792 M_WAITOK | M_ZERO);
2793 }
2794 raid = raidp[array + meta->raid_number];
2795 if (raid->format && (raid->format != AR_F_LSIV2_RAID))
2796 continue;
2797
2798 if (raid->magic_0 &&
2799 ((raid->magic_0 != meta->timestamp) ||
2800 (raid->magic_1 != meta->raid_number)))
2801 continue;
2802
2803 array += meta->raid_number;
2804
2805 raid_entry = meta->raid_number;
2806 conf_entry = (meta->configs[raid_entry].raid.config_offset >> 4) +
2807 meta->disk_number - 1;
2808
2809 switch (meta->configs[raid_entry].raid.type) {
2810 case LSIV2_T_RAID0:
2811 raid->magic_0 = meta->timestamp;
2812 raid->magic_1 = meta->raid_number;
2813 raid->type = AR_T_RAID0;
2814 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors;
2815 raid->width = meta->configs[raid_entry].raid.array_width;
2816 break;
2817
2818 case LSIV2_T_RAID1:
2819 raid->magic_0 = meta->timestamp;
2820 raid->magic_1 = meta->raid_number;
2821 raid->type = AR_T_RAID1;
2822 raid->width = meta->configs[raid_entry].raid.array_width;
2823 break;
2824
2825 case LSIV2_T_RAID0 | LSIV2_T_RAID1:
2826 raid->magic_0 = meta->timestamp;
2827 raid->magic_1 = meta->raid_number;
2828 raid->type = AR_T_RAID01;
2829 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors;
2830 raid->width = meta->configs[raid_entry].raid.array_width;
2831 break;
2832
2833 default:
2834 device_printf(parent, "LSI v2 unknown RAID type 0x%02x\n",
2835 meta->configs[raid_entry].raid.type);
2836 kfree(raidp[array], M_AR);
2837 raidp[array] = NULL;
2838 goto lsiv2_out;
2839 }
2840
2841 raid->format = AR_F_LSIV2_RAID;
2842 raid->generation = 0;
2843 raid->total_disks = meta->configs[raid_entry].raid.disk_count;
2844 raid->total_sectors = meta->configs[raid_entry].raid.total_sectors;
2845 raid->heads = 255;
2846 raid->sectors = 63;
2847 raid->cylinders = raid->total_sectors / (63 * 255);
2848 raid->offset_sectors = 0;
2849 raid->rebuild_lba = 0;
2850 raid->lun = array;
2851
2852 if (meta->configs[conf_entry].disk.device != LSIV2_D_NONE) {
2853 raid->disks[meta->disk_number].dev = parent;
2854 raid->disks[meta->disk_number].sectors =
2855 meta->configs[conf_entry].disk.disk_sectors;
2856 raid->disks[meta->disk_number].flags =
2857 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
2858 ars->raid[raid->volume] = raid;
2859 ars->disk_number[raid->volume] = meta->disk_number;
2860 retval = 1;
2861 }
2862 else
2863 raid->disks[meta->disk_number].flags &= ~AR_DF_ONLINE;
2864
2865 break;
2866 }
2867
2868 lsiv2_out:
2869 kfree(meta, M_AR);
2870 return retval;
2871 }
2872
2873 /* LSILogic V3 MegaRAID Metadata */
2874 static int
2875 ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp)
2876 {
2877 struct ata_raid_subdisk *ars = device_get_softc(dev);
2878 device_t parent = device_get_parent(dev);
2879 struct lsiv3_raid_conf *meta;
2880 struct ar_softc *raid = NULL;
2881 u_int8_t checksum, *ptr;
2882 int array, entry, count, disk_number, retval = 0;
2883
2884 meta = (struct lsiv3_raid_conf *)kmalloc(sizeof(struct lsiv3_raid_conf),
2885 M_AR, M_WAITOK | M_ZERO);
2886
2887 if (ata_raid_rw(parent, LSIV3_LBA(parent),
2888 meta, sizeof(struct lsiv3_raid_conf), ATA_R_READ)) {
2889 if (testing || bootverbose)
2890 device_printf(parent, "LSI (v3) read metadata failed\n");
2891 goto lsiv3_out;
2892 }
2893
2894 /* check if this is a LSI RAID struct */
2895 if (strncmp(meta->lsi_id, LSIV3_MAGIC, strlen(LSIV3_MAGIC))) {
2896 if (testing || bootverbose)
2897 device_printf(parent, "LSI (v3) check1 failed\n");
2898 goto lsiv3_out;
2899 }
2900
2901 /* check if the checksum is OK */
2902 for (checksum = 0, ptr = meta->lsi_id, count = 0; count < 512; count++)
2903 checksum += *ptr++;
2904 if (checksum) {
2905 if (testing || bootverbose)
2906 device_printf(parent, "LSI (v3) check2 failed\n");
2907 goto lsiv3_out;
2908 }
2909
2910 if (testing || bootverbose)
2911 ata_raid_lsiv3_print_meta(meta);
2912
2913 /* now convert LSI (v3) config meta into our generic form */
2914 for (array = 0, entry = 0; array < MAX_ARRAYS && entry < 8;) {
2915 if (!raidp[array]) {
2916 raidp[array] =
2917 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
2918 M_WAITOK | M_ZERO);
2919 }
2920 raid = raidp[array];
2921 if (raid->format && (raid->format != AR_F_LSIV3_RAID)) {
2922 array++;
2923 continue;
2924 }
2925
2926 if ((raid->format == AR_F_LSIV3_RAID) &&
2927 (raid->magic_0 != meta->timestamp)) {
2928 array++;
2929 continue;
2930 }
2931
2932 switch (meta->raid[entry].total_disks) {
2933 case 0:
2934 entry++;
2935 continue;
2936 case 1:
2937 if (meta->raid[entry].device == meta->device) {
2938 disk_number = 0;
2939 break;
2940 }
2941 if (raid->format)
2942 array++;
2943 entry++;
2944 continue;
2945 case 2:
2946 disk_number = (meta->device & (LSIV3_D_DEVICE|LSIV3_D_CHANNEL))?1:0;
2947 break;
2948 default:
2949 device_printf(parent, "lsiv3 > 2 disk support untested!!\n");
2950 disk_number = (meta->device & LSIV3_D_DEVICE ? 1 : 0) +
2951 (meta->device & LSIV3_D_CHANNEL ? 2 : 0);
2952 break;
2953 }
2954
2955 switch (meta->raid[entry].type) {
2956 case LSIV3_T_RAID0:
2957 raid->type = AR_T_RAID0;
2958 raid->width = meta->raid[entry].total_disks;
2959 break;
2960
2961 case LSIV3_T_RAID1:
2962 raid->type = AR_T_RAID1;
2963 raid->width = meta->raid[entry].array_width;
2964 break;
2965
2966 default:
2967 device_printf(parent, "LSI v3 unknown RAID type 0x%02x\n",
2968 meta->raid[entry].type);
2969 kfree(raidp[array], M_AR);
2970 raidp[array] = NULL;
2971 entry++;
2972 continue;
2973 }
2974
2975 raid->magic_0 = meta->timestamp;
2976 raid->format = AR_F_LSIV3_RAID;
2977 raid->generation = 0;
2978 raid->interleave = meta->raid[entry].stripe_pages * 8;
2979 raid->total_disks = meta->raid[entry].total_disks;
2980 raid->total_sectors = raid->width * meta->raid[entry].sectors;
2981 raid->heads = 255;
2982 raid->sectors = 63;
2983 raid->cylinders = raid->total_sectors / (63 * 255);
2984 raid->offset_sectors = meta->raid[entry].offset;
2985 raid->rebuild_lba = 0;
2986 raid->lun = array;
2987
2988 raid->disks[disk_number].dev = parent;
2989 raid->disks[disk_number].sectors = raid->total_sectors / raid->width;
2990 raid->disks[disk_number].flags =
2991 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
2992 ars->raid[raid->volume] = raid;
2993 ars->disk_number[raid->volume] = disk_number;
2994 retval = 1;
2995 entry++;
2996 array++;
2997 }
2998
2999 lsiv3_out:
3000 kfree(meta, M_AR);
3001 return retval;
3002 }
3003
3004 /* nVidia MediaShield Metadata */
3005 static int
3006 ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp)
3007 {
3008 struct ata_raid_subdisk *ars = device_get_softc(dev);
3009 device_t parent = device_get_parent(dev);
3010 struct nvidia_raid_conf *meta;
3011 struct ar_softc *raid = NULL;
3012 u_int32_t checksum, *ptr;
3013 int array, count, retval = 0;
3014
3015 meta = (struct nvidia_raid_conf *)kmalloc(sizeof(struct nvidia_raid_conf),
3016 M_AR, M_WAITOK | M_ZERO);
3017
3018 if (ata_raid_rw(parent, NVIDIA_LBA(parent),
3019 meta, sizeof(struct nvidia_raid_conf), ATA_R_READ)) {
3020 if (testing || bootverbose)
3021 device_printf(parent, "nVidia read metadata failed\n");
3022 goto nvidia_out;
3023 }
3024
3025 /* check if this is a nVidia RAID struct */
3026 if (strncmp(meta->nvidia_id, NV_MAGIC, strlen(NV_MAGIC))) {
3027 if (testing || bootverbose)
3028 device_printf(parent, "nVidia check1 failed\n");
3029 goto nvidia_out;
3030 }
3031
3032 /* check if the checksum is OK */
3033 for (checksum = 0, ptr = (u_int32_t*)meta, count = 0;
3034 count < meta->config_size; count++)
3035 checksum += *ptr++;
3036 if (checksum) {
3037 if (testing || bootverbose)
3038 device_printf(parent, "nVidia check2 failed\n");
3039 goto nvidia_out;
3040 }
3041
3042 if (testing || bootverbose)
3043 ata_raid_nvidia_print_meta(meta);
3044
3045 /* now convert nVidia meta into our generic form */
3046 for (array = 0; array < MAX_ARRAYS; array++) {
3047 if (!raidp[array]) {
3048 raidp[array] =
3049 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
3050 M_WAITOK | M_ZERO);
3051 }
3052 raid = raidp[array];
3053 if (raid->format && (raid->format != AR_F_NVIDIA_RAID))
3054 continue;
3055
3056 if (raid->format == AR_F_NVIDIA_RAID &&
3057 ((raid->magic_0 != meta->magic_1) ||
3058 (raid->magic_1 != meta->magic_2))) {
3059 continue;
3060 }
3061
3062 switch (meta->type) {
3063 case NV_T_SPAN:
3064 raid->type = AR_T_SPAN;
3065 break;
3066
3067 case NV_T_RAID0:
3068 raid->type = AR_T_RAID0;
3069 break;
3070
3071 case NV_T_RAID1:
3072 raid->type = AR_T_RAID1;
3073 break;
3074
3075 case NV_T_RAID5:
3076 raid->type = AR_T_RAID5;
3077 break;
3078
3079 case NV_T_RAID01:
3080 raid->type = AR_T_RAID01;
3081 break;
3082
3083 default:
3084 device_printf(parent, "nVidia unknown RAID type 0x%02x\n",
3085 meta->type);
3086 kfree(raidp[array], M_AR);
3087 raidp[array] = NULL;
3088 goto nvidia_out;
3089 }
3090 raid->magic_0 = meta->magic_1;
3091 raid->magic_1 = meta->magic_2;
3092 raid->format = AR_F_NVIDIA_RAID;
3093 raid->generation = 0;
3094 raid->interleave = meta->stripe_sectors;
3095 raid->width = meta->array_width;
3096 raid->total_disks = meta->total_disks;
3097 raid->total_sectors = meta->total_sectors;
3098 raid->heads = 255;
3099 raid->sectors = 63;
3100 raid->cylinders = raid->total_sectors / (63 * 255);
3101 raid->offset_sectors = 0;
3102 raid->rebuild_lba = meta->rebuild_lba;
3103 raid->lun = array;
3104 raid->status = AR_S_READY;
3105 if (meta->status & NV_S_DEGRADED)
3106 raid->status |= AR_S_DEGRADED;
3107
3108 raid->disks[meta->disk_number].dev = parent;
3109 raid->disks[meta->disk_number].sectors =
3110 raid->total_sectors / raid->width;
3111 raid->disks[meta->disk_number].flags =
3112 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
3113 ars->raid[raid->volume] = raid;
3114 ars->disk_number[raid->volume] = meta->disk_number;
3115 retval = 1;
3116 break;
3117 }
3118
3119 nvidia_out:
3120 kfree(meta, M_AR);
3121 return retval;
3122 }
3123
3124 /* Promise FastTrak Metadata */
3125 static int
3126 ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native)
3127 {
3128 struct ata_raid_subdisk *ars = device_get_softc(dev);
3129 device_t parent = device_get_parent(dev);
3130 struct promise_raid_conf *meta;
3131 struct ar_softc *raid;
3132 u_int32_t checksum, *ptr;
3133 int array, count, disk, disksum = 0, retval = 0;
3134
3135 meta = (struct promise_raid_conf *)
3136 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK | M_ZERO);
3137
3138 if (ata_raid_rw(parent, PROMISE_LBA(parent),
3139 meta, sizeof(struct promise_raid_conf), ATA_R_READ)) {
3140 if (testing || bootverbose)
3141 device_printf(parent, "%s read metadata failed\n",
3142 native ? "FreeBSD" : "Promise");
3143 goto promise_out;
3144 }
3145
3146 /* check the signature */
3147 if (native) {
3148 if (strncmp(meta->promise_id, ATA_MAGIC, strlen(ATA_MAGIC))) {
3149 if (testing || bootverbose)
3150 device_printf(parent, "FreeBSD check1 failed\n");
3151 goto promise_out;
3152 }
3153 }
3154 else {
3155 if (strncmp(meta->promise_id, PR_MAGIC, strlen(PR_MAGIC))) {
3156 if (testing || bootverbose)
3157 device_printf(parent, "Promise check1 failed\n");
3158 goto promise_out;
3159 }
3160 }
3161
3162 /* check if the checksum is OK */
3163 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; count < 511; count++)
3164 checksum += *ptr++;
3165 if (checksum != *ptr) {
3166 if (testing || bootverbose)
3167 device_printf(parent, "%s check2 failed\n",
3168 native ? "FreeBSD" : "Promise");
3169 goto promise_out;
3170 }
3171
3172 /* check on disk integrity status */
3173 if (meta->raid.integrity != PR_I_VALID) {
3174 if (testing || bootverbose)
3175 device_printf(parent, "%s check3 failed\n",
3176 native ? "FreeBSD" : "Promise");
3177 goto promise_out;
3178 }
3179
3180 if (testing || bootverbose)
3181 ata_raid_promise_print_meta(meta);
3182
3183 /* now convert Promise metadata into our generic form */
3184 for (array = 0; array < MAX_ARRAYS; array++) {
3185 if (!raidp[array]) {
3186 raidp[array] =
3187 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
3188 M_WAITOK | M_ZERO);
3189 }
3190 raid = raidp[array];
3191 if (raid->format &&
3192 (raid->format != (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID)))
3193 continue;
3194
3195 if ((raid->format == (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))&&
3196 !(meta->raid.magic_1 == (raid->magic_1)))
3197 continue;
3198
3199 /* update our knowledge about the array config based on generation */
3200 if (!meta->raid.generation || meta->raid.generation > raid->generation){
3201 switch (meta->raid.type) {
3202 case PR_T_SPAN:
3203 raid->type = AR_T_SPAN;
3204 break;
3205
3206 case PR_T_JBOD:
3207 raid->type = AR_T_JBOD;
3208 break;
3209
3210 case PR_T_RAID0:
3211 raid->type = AR_T_RAID0;
3212 break;
3213
3214 case PR_T_RAID1:
3215 raid->type = AR_T_RAID1;
3216 if (meta->raid.array_width > 1)
3217 raid->type = AR_T_RAID01;
3218 break;
3219
3220 case PR_T_RAID5:
3221 raid->type = AR_T_RAID5;
3222 break;
3223
3224 default:
3225 device_printf(parent, "%s unknown RAID type 0x%02x\n",
3226 native ? "FreeBSD" : "Promise", meta->raid.type);
3227 kfree(raidp[array], M_AR);
3228 raidp[array] = NULL;
3229 goto promise_out;
3230 }
3231 raid->magic_1 = meta->raid.magic_1;
3232 raid->format = (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID);
3233 raid->generation = meta->raid.generation;
3234 raid->interleave = 1 << meta->raid.stripe_shift;
3235 raid->width = meta->raid.array_width;
3236 raid->total_disks = meta->raid.total_disks;
3237 raid->heads = meta->raid.heads + 1;
3238 raid->sectors = meta->raid.sectors;
3239 raid->cylinders = meta->raid.cylinders + 1;
3240 raid->total_sectors = meta->raid.total_sectors;
3241 raid->offset_sectors = 0;
3242 raid->rebuild_lba = meta->raid.rebuild_lba;
3243 raid->lun = array;
3244 if ((meta->raid.status &
3245 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) ==
3246 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) {
3247 raid->status |= AR_S_READY;
3248 if (meta->raid.status & PR_S_DEGRADED)
3249 raid->status |= AR_S_DEGRADED;
3250 }
3251 else
3252 raid->status &= ~AR_S_READY;
3253
3254 /* convert disk flags to our internal types */
3255 for (disk = 0; disk < meta->raid.total_disks; disk++) {
3256 raid->disks[disk].dev = NULL;
3257 raid->disks[disk].flags = 0;
3258 *((u_int64_t *)(raid->disks[disk].serial)) =
3259 meta->raid.disk[disk].magic_0;
3260 disksum += meta->raid.disk[disk].flags;
3261 if (meta->raid.disk[disk].flags & PR_F_ONLINE)
3262 raid->disks[disk].flags |= AR_DF_ONLINE;
3263 if (meta->raid.disk[disk].flags & PR_F_ASSIGNED)
3264 raid->disks[disk].flags |= AR_DF_ASSIGNED;
3265 if (meta->raid.disk[disk].flags & PR_F_SPARE) {
3266 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED);
3267 raid->disks[disk].flags |= AR_DF_SPARE;
3268 }
3269 if (meta->raid.disk[disk].flags & (PR_F_REDIR | PR_F_DOWN))
3270 raid->disks[disk].flags &= ~AR_DF_ONLINE;
3271 }
3272 if (!disksum) {
3273 device_printf(parent, "%s subdisks has no flags\n",
3274 native ? "FreeBSD" : "Promise");
3275 kfree(raidp[array], M_AR);
3276 raidp[array] = NULL;
3277 goto promise_out;
3278 }
3279 }
3280 if (meta->raid.generation >= raid->generation) {
3281 int disk_number = meta->raid.disk_number;
3282
3283 if (raid->disks[disk_number].flags && (meta->magic_0 ==
3284 *((u_int64_t *)(raid->disks[disk_number].serial)))) {
3285 raid->disks[disk_number].dev = parent;
3286 raid->disks[disk_number].flags |= AR_DF_PRESENT;
3287 raid->disks[disk_number].sectors = meta->raid.disk_sectors;
3288 if ((raid->disks[disk_number].flags &
3289 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) ==
3290 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) {
3291 ars->raid[raid->volume] = raid;
3292 ars->disk_number[raid->volume] = disk_number;
3293 retval = 1;
3294 }
3295 }
3296 }
3297 break;
3298 }
3299
3300 promise_out:
3301 kfree(meta, M_AR);
3302 return retval;
3303 }
3304
3305 static int
3306 ata_raid_promise_write_meta(struct ar_softc *rdp)
3307 {
3308 struct promise_raid_conf *meta;
3309 struct timeval timestamp;
3310 u_int32_t *ckptr;
3311 int count, disk, drive, error = 0;
3312
3313 meta = (struct promise_raid_conf *)
3314 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK);
3315
3316 rdp->generation++;
3317 microtime(&timestamp);
3318
3319 for (disk = 0; disk < rdp->total_disks; disk++) {
3320 for (count = 0; count < sizeof(struct promise_raid_conf); count++)
3321 *(((u_int8_t *)meta) + count) = 255 - (count % 256);
3322 meta->dummy_0 = 0x00020000;
3323 meta->raid.disk_number = disk;
3324
3325 if (rdp->disks[disk].dev) {
3326 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev);
3327 struct ata_channel *ch =
3328 device_get_softc(device_get_parent(rdp->disks[disk].dev));
3329
3330 meta->raid.channel = ch->unit;
3331 meta->raid.device = ATA_DEV(atadev->unit);
3332 meta->raid.disk_sectors = rdp->disks[disk].sectors;
3333 meta->raid.disk_offset = rdp->offset_sectors;
3334 }
3335 else {
3336 meta->raid.channel = 0;
3337 meta->raid.device = 0;
3338 meta->raid.disk_sectors = 0;
3339 meta->raid.disk_offset = 0;
3340 }
3341 meta->magic_0 = PR_MAGIC0(meta->raid) | timestamp.tv_sec;
3342 meta->magic_1 = timestamp.tv_sec >> 16;
3343 meta->magic_2 = timestamp.tv_sec;
3344 meta->raid.integrity = PR_I_VALID;
3345 meta->raid.magic_0 = meta->magic_0;
3346 meta->raid.rebuild_lba = rdp->rebuild_lba;
3347 meta->raid.generation = rdp->generation;
3348
3349 if (rdp->status & AR_S_READY) {
3350 meta->raid.flags = (PR_F_VALID | PR_F_ASSIGNED | PR_F_ONLINE);
3351 meta->raid.status =
3352 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY);
3353 if (rdp->status & AR_S_DEGRADED)
3354 meta->raid.status |= PR_S_DEGRADED;
3355 else
3356 meta->raid.status |= PR_S_FUNCTIONAL;
3357 }
3358 else {
3359 meta->raid.flags = PR_F_DOWN;
3360 meta->raid.status = 0;
3361 }
3362
3363 switch (rdp->type) {
3364 case AR_T_RAID0:
3365 meta->raid.type = PR_T_RAID0;
3366 break;
3367 case AR_T_RAID1:
3368 meta->raid.type = PR_T_RAID1;
3369 break;
3370 case AR_T_RAID01:
3371 meta->raid.type = PR_T_RAID1;
3372 break;
3373 case AR_T_RAID5:
3374 meta->raid.type = PR_T_RAID5;
3375 break;
3376 case AR_T_SPAN:
3377 meta->raid.type = PR_T_SPAN;
3378 break;
3379 case AR_T_JBOD:
3380 meta->raid.type = PR_T_JBOD;
3381 break;
3382 default:
3383 kfree(meta, M_AR);
3384 return ENODEV;
3385 }
3386
3387 meta->raid.total_disks = rdp->total_disks;
3388 meta->raid.stripe_shift = ffs(rdp->interleave) - 1;
3389 meta->raid.array_width = rdp->width;
3390 meta->raid.array_number = rdp->lun;
3391 meta->raid.total_sectors = rdp->total_sectors;
3392 meta->raid.cylinders = rdp->cylinders - 1;
3393 meta->raid.heads = rdp->heads - 1;
3394 meta->raid.sectors = rdp->sectors;
3395 meta->raid.magic_1 = (u_int64_t)meta->magic_2<<16 | meta->magic_1;
3396
3397 bzero(&meta->raid.disk, 8 * 12);
3398 for (drive = 0; drive < rdp->total_disks; drive++) {
3399 meta->raid.disk[drive].flags = 0;
3400 if (rdp->disks[drive].flags & AR_DF_PRESENT)
3401 meta->raid.disk[drive].flags |= PR_F_VALID;
3402 if (rdp->disks[drive].flags & AR_DF_ASSIGNED)
3403 meta->raid.disk[drive].flags |= PR_F_ASSIGNED;
3404 if (rdp->disks[drive].flags & AR_DF_ONLINE)
3405 meta->raid.disk[drive].flags |= PR_F_ONLINE;
3406 else
3407 if (rdp->disks[drive].flags & AR_DF_PRESENT)
3408 meta->raid.disk[drive].flags = (PR_F_REDIR | PR_F_DOWN);
3409 if (rdp->disks[drive].flags & AR_DF_SPARE)
3410 meta->raid.disk[drive].flags |= PR_F_SPARE;
3411 meta->raid.disk[drive].dummy_0 = 0x0;
3412 if (rdp->disks[drive].dev) {
3413 struct ata_channel *ch =
3414 device_get_softc(device_get_parent(rdp->disks[drive].dev));
3415 struct ata_device *atadev =
3416 device_get_softc(rdp->disks[drive].dev);
3417
3418 meta->raid.disk[drive].channel = ch->unit;
3419 meta->raid.disk[drive].device = ATA_DEV(atadev->unit);
3420 }
3421 meta->raid.disk[drive].magic_0 =
3422 PR_MAGIC0(meta->raid.disk[drive]) | timestamp.tv_sec;
3423 }
3424
3425 if (rdp->disks[disk].dev) {
3426 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) ==
3427 (AR_DF_PRESENT | AR_DF_ONLINE)) {
3428 if (rdp->format == AR_F_FREEBSD_RAID)
3429 bcopy(ATA_MAGIC, meta->promise_id, sizeof(ATA_MAGIC));
3430 else
3431 bcopy(PR_MAGIC, meta->promise_id, sizeof(PR_MAGIC));
3432 }
3433 else
3434 bzero(meta->promise_id, sizeof(meta->promise_id));
3435 meta->checksum = 0;
3436 for (ckptr = (int32_t *)meta, count = 0; count < 511; count++)
3437 meta->checksum += *ckptr++;
3438 if (testing || bootverbose)
3439 ata_raid_promise_print_meta(meta);
3440 if (ata_raid_rw(rdp->disks[disk].dev,
3441 PROMISE_LBA(rdp->disks[disk].dev),
3442 meta, sizeof(struct promise_raid_conf),
3443 ATA_R_WRITE | ATA_R_DIRECT)) {
3444 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
3445 error = EIO;
3446 }
3447 }
3448 }
3449 kfree(meta, M_AR);
3450 return error;
3451 }
3452
3453 /* Silicon Image Medley Metadata */
3454 static int
3455 ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp)
3456 {
3457 struct ata_raid_subdisk *ars = device_get_softc(dev);
3458 device_t parent = device_get_parent(dev);
3459 struct sii_raid_conf *meta;
3460 struct ar_softc *raid = NULL;
3461 u_int16_t checksum, *ptr;
3462 int array, count, disk, retval = 0;
3463
3464 meta = (struct sii_raid_conf *)kmalloc(sizeof(struct sii_raid_conf), M_AR,
3465 M_WAITOK | M_ZERO);
3466
3467 if (ata_raid_rw(parent, SII_LBA(parent),
3468 meta, sizeof(struct sii_raid_conf), ATA_R_READ)) {
3469 if (testing || bootverbose)
3470 device_printf(parent, "Silicon Image read metadata failed\n");
3471 goto sii_out;
3472 }
3473
3474 /* check if this is a Silicon Image (Medley) RAID struct */
3475 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 160; count++)
3476 checksum += *ptr++;
3477 if (checksum) {
3478 if (testing || bootverbose)
3479 device_printf(parent, "Silicon Image check1 failed\n");
3480 goto sii_out;
3481 }
3482
3483 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 256; count++)
3484 checksum += *ptr++;
3485 if (checksum != meta->checksum_1) {
3486 if (testing || bootverbose)
3487 device_printf(parent, "Silicon Image check2 failed\n");
3488 goto sii_out;
3489 }
3490
3491 /* check verison */
3492 if (meta->version_major != 0x0002 ||
3493 (meta->version_minor != 0x0000 && meta->version_minor != 0x0001)) {
3494 if (testing || bootverbose)
3495 device_printf(parent, "Silicon Image check3 failed\n");
3496 goto sii_out;
3497 }
3498
3499 if (testing || bootverbose)
3500 ata_raid_sii_print_meta(meta);
3501
3502 /* now convert Silicon Image meta into our generic form */
3503 for (array = 0; array < MAX_ARRAYS; array++) {
3504 if (!raidp[array]) {
3505 raidp[array] =
3506 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
3507 M_WAITOK | M_ZERO);
3508 }
3509 raid = raidp[array];
3510 if (raid->format && (raid->format != AR_F_SII_RAID))
3511 continue;
3512
3513 if (raid->format == AR_F_SII_RAID &&
3514 (raid->magic_0 != *((u_int64_t *)meta->timestamp))) {
3515 continue;
3516 }
3517
3518 /* update our knowledge about the array config based on generation */
3519 if (!meta->generation || meta->generation > raid->generation) {
3520 switch (meta->type) {
3521 case SII_T_RAID0:
3522 raid->type = AR_T_RAID0;
3523 break;
3524
3525 case SII_T_RAID1:
3526 raid->type = AR_T_RAID1;
3527 break;
3528
3529 case SII_T_RAID01:
3530 raid->type = AR_T_RAID01;
3531 break;
3532
3533 case SII_T_SPARE:
3534 device_printf(parent, "Silicon Image SPARE disk\n");
3535 kfree(raidp[array], M_AR);
3536 raidp[array] = NULL;
3537 goto sii_out;
3538
3539 default:
3540 device_printf(parent,"Silicon Image unknown RAID type 0x%02x\n",
3541 meta->type);
3542 kfree(raidp[array], M_AR);
3543 raidp[array] = NULL;
3544 goto sii_out;
3545 }
3546 raid->magic_0 = *((u_int64_t *)meta->timestamp);
3547 raid->format = AR_F_SII_RAID;
3548 raid->generation = meta->generation;
3549 raid->interleave = meta->stripe_sectors;
3550 raid->width = (meta->raid0_disks != 0xff) ? meta->raid0_disks : 1;
3551 raid->total_disks =
3552 ((meta->raid0_disks != 0xff) ? meta->raid0_disks : 0) +
3553 ((meta->raid1_disks != 0xff) ? meta->raid1_disks : 0);
3554 raid->total_sectors = meta->total_sectors;
3555 raid->heads = 255;
3556 raid->sectors = 63;
3557 raid->cylinders = raid->total_sectors / (63 * 255);
3558 raid->offset_sectors = 0;
3559 raid->rebuild_lba = meta->rebuild_lba;
3560 raid->lun = array;
3561 strncpy(raid->name, meta->name,
3562 min(sizeof(raid->name), sizeof(meta->name)));
3563
3564 /* clear out any old info */
3565 if (raid->generation) {
3566 for (disk = 0; disk < raid->total_disks; disk++) {
3567 raid->disks[disk].dev = NULL;
3568 raid->disks[disk].flags = 0;
3569 }
3570 }
3571 }
3572 if (meta->generation >= raid->generation) {
3573 /* XXX SOS add check for the right physical disk by serial# */
3574 if (meta->status & SII_S_READY) {
3575 int disk_number = (raid->type == AR_T_RAID01) ?
3576 meta->raid1_ident + (meta->raid0_ident << 1) :
3577 meta->disk_number;
3578
3579 raid->disks[disk_number].dev = parent;
3580 raid->disks[disk_number].sectors =
3581 raid->total_sectors / raid->width;
3582 raid->disks[disk_number].flags =
3583 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
3584 ars->raid[raid->volume] = raid;
3585 ars->disk_number[raid->volume] = disk_number;
3586 retval = 1;
3587 }
3588 }
3589 break;
3590 }
3591
3592 sii_out:
3593 kfree(meta, M_AR);
3594 return retval;
3595 }
3596
3597 /* Silicon Integrated Systems Metadata */
3598 static int
3599 ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp)
3600 {
3601 struct ata_raid_subdisk *ars = device_get_softc(dev);
3602 device_t parent = device_get_parent(dev);
3603 struct sis_raid_conf *meta;
3604 struct ar_softc *raid = NULL;
3605 int array, disk_number, drive, retval = 0;
3606
3607 meta = (struct sis_raid_conf *)kmalloc(sizeof(struct sis_raid_conf), M_AR,
3608 M_WAITOK | M_ZERO);
3609
3610 if (ata_raid_rw(parent, SIS_LBA(parent),
3611 meta, sizeof(struct sis_raid_conf), ATA_R_READ)) {
3612 if (testing || bootverbose)
3613 device_printf(parent,
3614 "Silicon Integrated Systems read metadata failed\n");
3615 }
3616
3617 /* check for SiS magic */
3618 if (meta->magic != SIS_MAGIC) {
3619 if (testing || bootverbose)
3620 device_printf(parent,
3621 "Silicon Integrated Systems check1 failed\n");
3622 goto sis_out;
3623 }
3624
3625 if (testing || bootverbose)
3626 ata_raid_sis_print_meta(meta);
3627
3628 /* now convert SiS meta into our generic form */
3629 for (array = 0; array < MAX_ARRAYS; array++) {
3630 if (!raidp[array]) {
3631 raidp[array] =
3632 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
3633 M_WAITOK | M_ZERO);
3634 }
3635
3636 raid = raidp[array];
3637 if (raid->format && (raid->format != AR_F_SIS_RAID))
3638 continue;
3639
3640 if ((raid->format == AR_F_SIS_RAID) &&
3641 ((raid->magic_0 != meta->controller_pci_id) ||
3642 (raid->magic_1 != meta->timestamp))) {
3643 continue;
3644 }
3645
3646 switch (meta->type_total_disks & SIS_T_MASK) {
3647 case SIS_T_JBOD:
3648 raid->type = AR_T_JBOD;
3649 raid->width = (meta->type_total_disks & SIS_D_MASK);
3650 raid->total_sectors += SIS_LBA(parent);
3651 break;
3652
3653 case SIS_T_RAID0:
3654 raid->type = AR_T_RAID0;
3655 raid->width = (meta->type_total_disks & SIS_D_MASK);
3656 if (!raid->total_sectors ||
3657 (raid->total_sectors > (raid->width * SIS_LBA(parent))))
3658 raid->total_sectors = raid->width * SIS_LBA(parent);
3659 break;
3660
3661 case SIS_T_RAID1:
3662 raid->type = AR_T_RAID1;
3663 raid->width = 1;
3664 if (!raid->total_sectors || (raid->total_sectors > SIS_LBA(parent)))
3665 raid->total_sectors = SIS_LBA(parent);
3666 break;
3667
3668 default:
3669 device_printf(parent, "Silicon Integrated Systems "
3670 "unknown RAID type 0x%08x\n", meta->magic);
3671 kfree(raidp[array], M_AR);
3672 raidp[array] = NULL;
3673 goto sis_out;
3674 }
3675 raid->magic_0 = meta->controller_pci_id;
3676 raid->magic_1 = meta->timestamp;
3677 raid->format = AR_F_SIS_RAID;
3678 raid->generation = 0;
3679 raid->interleave = meta->stripe_sectors;
3680 raid->total_disks = (meta->type_total_disks & SIS_D_MASK);
3681 raid->heads = 255;
3682 raid->sectors = 63;
3683 raid->cylinders = raid->total_sectors / (63 * 255);
3684 raid->offset_sectors = 0;
3685 raid->rebuild_lba = 0;
3686 raid->lun = array;
3687 /* XXX SOS if total_disks > 2 this doesn't float */
3688 if (((meta->disks & SIS_D_MASTER) >> 4) == meta->disk_number)
3689 disk_number = 0;
3690 else
3691 disk_number = 1;
3692
3693 for (drive = 0; drive < raid->total_disks; drive++) {
3694 raid->disks[drive].sectors = raid->total_sectors/raid->width;
3695 if (drive == disk_number) {
3696 raid->disks[disk_number].dev = parent;
3697 raid->disks[disk_number].flags =
3698 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
3699 ars->raid[raid->volume] = raid;
3700 ars->disk_number[raid->volume] = disk_number;
3701 }
3702 }
3703 retval = 1;
3704 break;
3705 }
3706
3707 sis_out:
3708 kfree(meta, M_AR);
3709 return retval;
3710 }
3711
3712 static int
3713 ata_raid_sis_write_meta(struct ar_softc *rdp)
3714 {
3715 struct sis_raid_conf *meta;
3716 struct timeval timestamp;
3717 int disk, error = 0;
3718
3719 meta = (struct sis_raid_conf *)kmalloc(sizeof(struct sis_raid_conf), M_AR,
3720 M_WAITOK | M_ZERO);
3721
3722 rdp->generation++;
3723 microtime(&timestamp);
3724
3725 meta->magic = SIS_MAGIC;
3726 /* XXX SOS if total_disks > 2 this doesn't float */
3727 for (disk = 0; disk < rdp->total_disks; disk++) {
3728 if (rdp->disks[disk].dev) {
3729 struct ata_channel *ch =
3730 device_get_softc(device_get_parent(rdp->disks[disk].dev));
3731 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev);
3732 int disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1);
3733
3734 meta->disks |= disk_number << ((1 - disk) << 2);
3735 }
3736 }
3737 switch (rdp->type) {
3738 case AR_T_JBOD:
3739 meta->type_total_disks = SIS_T_JBOD;
3740 break;
3741
3742 case AR_T_RAID0:
3743 meta->type_total_disks = SIS_T_RAID0;
3744 break;
3745
3746 case AR_T_RAID1:
3747 meta->type_total_disks = SIS_T_RAID1;
3748 break;
3749
3750 default:
3751 kfree(meta, M_AR);
3752 return ENODEV;
3753 }
3754 meta->type_total_disks |= (rdp->total_disks & SIS_D_MASK);
3755 meta->stripe_sectors = rdp->interleave;
3756 meta->timestamp = timestamp.tv_sec;
3757
3758 for (disk = 0; disk < rdp->total_disks; disk++) {
3759 if (rdp->disks[disk].dev) {
3760 struct ata_channel *ch =
3761 device_get_softc(device_get_parent(rdp->disks[disk].dev));
3762 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev);
3763
3764 meta->controller_pci_id =
3765 (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev)) << 16) |
3766 pci_get_device(GRANDPARENT(rdp->disks[disk].dev));
3767 bcopy(atadev->param.model, meta->model, sizeof(meta->model));
3768
3769 /* XXX SOS if total_disks > 2 this may not float */
3770 meta->disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1);
3771
3772 if (testing || bootverbose)
3773 ata_raid_sis_print_meta(meta);
3774
3775 if (ata_raid_rw(rdp->disks[disk].dev,
3776 SIS_LBA(rdp->disks[disk].dev),
3777 meta, sizeof(struct sis_raid_conf),
3778 ATA_R_WRITE | ATA_R_DIRECT)) {
3779 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
3780 error = EIO;
3781 }
3782 }
3783 }
3784 kfree(meta, M_AR);
3785 return error;
3786 }
3787
3788 /* VIA Tech V-RAID Metadata */
3789 static int
3790 ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp)
3791 {
3792 struct ata_raid_subdisk *ars = device_get_softc(dev);
3793 device_t parent = device_get_parent(dev);
3794 struct via_raid_conf *meta;
3795 struct ar_softc *raid = NULL;
3796 u_int8_t checksum, *ptr;
3797 int array, count, disk, retval = 0;
3798
3799 meta = (struct via_raid_conf *)kmalloc(sizeof(struct via_raid_conf), M_AR,
3800 M_WAITOK | M_ZERO);
3801
3802 if (ata_raid_rw(parent, VIA_LBA(parent),
3803 meta, sizeof(struct via_raid_conf), ATA_R_READ)) {
3804 if (testing || bootverbose)
3805 device_printf(parent, "VIA read metadata failed\n");
3806 goto via_out;
3807 }
3808
3809 /* check if this is a VIA RAID struct */
3810 if (meta->magic != VIA_MAGIC) {
3811 if (testing || bootverbose)
3812 device_printf(parent, "VIA check1 failed\n");
3813 goto via_out;
3814 }
3815
3816 /* calculate checksum and compare for valid */
3817 for (checksum = 0, ptr = (u_int8_t *)meta, count = 0; count < 50; count++)
3818 checksum += *ptr++;
3819 if (checksum != meta->checksum) {
3820 if (testing || bootverbose)
3821 device_printf(parent, "VIA check2 failed\n");
3822 goto via_out;
3823 }
3824
3825 if (testing || bootverbose)
3826 ata_raid_via_print_meta(meta);
3827
3828 /* now convert VIA meta into our generic form */
3829 for (array = 0; array < MAX_ARRAYS; array++) {
3830 if (!raidp[array]) {
3831 raidp[array] =
3832 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
3833 M_WAITOK | M_ZERO);
3834 }
3835 raid = raidp[array];
3836 if (raid->format && (raid->format != AR_F_VIA_RAID))
3837 continue;
3838
3839 if (raid->format == AR_F_VIA_RAID && (raid->magic_0 != meta->disks[0]))
3840 continue;
3841
3842 switch (meta->type & VIA_T_MASK) {
3843 case VIA_T_RAID0:
3844 raid->type = AR_T_RAID0;
3845 raid->width = meta->stripe_layout & VIA_L_DISKS;
3846 if (!raid->total_sectors ||
3847 (raid->total_sectors > (raid->width * meta->disk_sectors)))
3848 raid->total_sectors = raid->width * meta->disk_sectors;
3849 break;
3850
3851 case VIA_T_RAID1:
3852 raid->type = AR_T_RAID1;
3853 raid->width = 1;
3854 raid->total_sectors = meta->disk_sectors;
3855 break;
3856
3857 case VIA_T_RAID01:
3858 raid->type = AR_T_RAID01;
3859 raid->width = meta->stripe_layout & VIA_L_DISKS;
3860 if (!raid->total_sectors ||
3861 (raid->total_sectors > (raid->width * meta->disk_sectors)))
3862 raid->total_sectors = raid->width * meta->disk_sectors;
3863 break;
3864
3865 case VIA_T_RAID5:
3866 raid->type = AR_T_RAID5;
3867 raid->width = meta->stripe_layout & VIA_L_DISKS;
3868 if (!raid->total_sectors ||
3869 (raid->total_sectors > ((raid->width - 1)*meta->disk_sectors)))
3870 raid->total_sectors = (raid->width - 1) * meta->disk_sectors;
3871 break;
3872
3873 case VIA_T_SPAN:
3874 raid->type = AR_T_SPAN;
3875 raid->width = 1;
3876 raid->total_sectors += meta->disk_sectors;
3877 break;
3878
3879 default:
3880 device_printf(parent,"VIA unknown RAID type 0x%02x\n", meta->type);
3881 kfree(raidp[array], M_AR);
3882 raidp[array] = NULL;
3883 goto via_out;
3884 }
3885 raid->magic_0 = meta->disks[0];
3886 raid->format = AR_F_VIA_RAID;
3887 raid->generation = 0;
3888 raid->interleave =
3889 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT);
3890 for (count = 0, disk = 0; disk < 8; disk++)
3891 if (meta->disks[disk])
3892 count++;
3893 raid->total_disks = count;
3894 raid->heads = 255;
3895 raid->sectors = 63;
3896 raid->cylinders = raid->total_sectors / (63 * 255);
3897 raid->offset_sectors = 0;
3898 raid->rebuild_lba = 0;
3899 raid->lun = array;
3900
3901 for (disk = 0; disk < raid->total_disks; disk++) {
3902 if (meta->disks[disk] == meta->disk_id) {
3903 raid->disks[disk].dev = parent;
3904 bcopy(&meta->disk_id, raid->disks[disk].serial,
3905 sizeof(u_int32_t));
3906 raid->disks[disk].sectors = meta->disk_sectors;
3907 raid->disks[disk].flags =
3908 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
3909 ars->raid[raid->volume] = raid;
3910 ars->disk_number[raid->volume] = disk;
3911 retval = 1;
3912 break;
3913 }
3914 }
3915 break;
3916 }
3917
3918 via_out:
3919 kfree(meta, M_AR);
3920 return retval;
3921 }
3922
3923 static int
3924 ata_raid_via_write_meta(struct ar_softc *rdp)
3925 {
3926 struct via_raid_conf *meta;
3927 int disk, error = 0;
3928
3929 meta = (struct via_raid_conf *)kmalloc(sizeof(struct via_raid_conf), M_AR,
3930 M_WAITOK | M_ZERO);
3931
3932 rdp->generation++;
3933
3934 meta->magic = VIA_MAGIC;
3935 meta->dummy_0 = 0x02;
3936 switch (rdp->type) {
3937 case AR_T_SPAN:
3938 meta->type = VIA_T_SPAN;
3939 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS);
3940 break;
3941
3942 case AR_T_RAID0:
3943 meta->type = VIA_T_RAID0;
3944 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK);
3945 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS);
3946 break;
3947
3948 case AR_T_RAID1:
3949 meta->type = VIA_T_RAID1;
3950 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS);
3951 break;
3952
3953 case AR_T_RAID5:
3954 meta->type = VIA_T_RAID5;
3955 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK);
3956 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS);
3957 break;
3958
3959 case AR_T_RAID01:
3960 meta->type = VIA_T_RAID01;
3961 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK);
3962 meta->stripe_layout |= (rdp->width & VIA_L_DISKS);
3963 break;
3964
3965 default:
3966 kfree(meta, M_AR);
3967 return ENODEV;
3968 }
3969 meta->type |= VIA_T_BOOTABLE; /* XXX SOS */
3970 meta->disk_sectors =
3971 rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5));
3972 for (disk = 0; disk < rdp->total_disks; disk++)
3973 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev;
3974
3975 for (disk = 0; disk < rdp->total_disks; disk++) {
3976 if (rdp->disks[disk].dev) {
3977 u_int8_t *ptr;
3978 int count;
3979
3980 meta->disk_index = disk * sizeof(u_int32_t);
3981 if (rdp->type == AR_T_RAID01)
3982 meta->disk_index = ((meta->disk_index & 0x08) << 2) |
3983 (meta->disk_index & ~0x08);
3984 meta->disk_id = meta->disks[disk];
3985 meta->checksum = 0;
3986 for (ptr = (u_int8_t *)meta, count = 0; count < 50; count++)
3987 meta->checksum += *ptr++;
3988
3989 if (testing || bootverbose)
3990 ata_raid_via_print_meta(meta);
3991
3992 if (ata_raid_rw(rdp->disks[disk].dev,
3993 VIA_LBA(rdp->disks[disk].dev),
3994 meta, sizeof(struct via_raid_conf),
3995 ATA_R_WRITE | ATA_R_DIRECT)) {
3996 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
3997 error = EIO;
3998 }
3999 }
4000 }
4001 kfree(meta, M_AR);
4002 return error;
4003 }
4004
4005 static struct ata_request *
4006 ata_raid_init_request(struct ar_softc *rdp, struct bio *bio)
4007 {
4008 struct ata_request *request;
4009
4010 if (!(request = ata_alloc_request())) {
4011 kprintf("FAILURE - out of memory in ata_raid_init_request\n");
4012 return NULL;
4013 }
4014 request->timeout = ATA_DEFAULT_TIMEOUT;
4015 request->retries = 2;
4016 request->callback = ata_raid_done;
4017 request->driver = rdp;
4018 request->bio = bio;
4019 switch (request->bio->bio_buf->b_cmd) {
4020 case BUF_CMD_READ:
4021 request->flags = ATA_R_READ;
4022 break;
4023 case BUF_CMD_WRITE:
4024 request->flags = ATA_R_WRITE;
4025 break;
4026 case BUF_CMD_FLUSH:
4027 request->flags = ATA_R_CONTROL;
4028 break;
4029 default:
4030 kprintf("ar%d: FAILURE - unknown BUF operation\n", rdp->lun);
4031 ata_free_request(request);
4032 #if 0
4033 bio->bio_buf->b_flags |= B_ERROR;
4034 bio->bio_buf->b_error = EIO;
4035 biodone(bio);
4036 #endif /* 0 */
4037 return(NULL);
4038 }
4039 return request;
4040 }
4041
4042 static int
4043 ata_raid_send_request(struct ata_request *request)
4044 {
4045 struct ata_device *atadev = device_get_softc(request->dev);
4046
4047 request->transfersize = min(request->bytecount, atadev->max_iosize);
4048 if (request->flags & ATA_R_READ) {
4049 if (atadev->mode >= ATA_DMA) {
4050 request->flags |= ATA_R_DMA;
4051 request->u.ata.command = ATA_READ_DMA;
4052 }
4053 else if (atadev->max_iosize > DEV_BSIZE)
4054 request->u.ata.command = ATA_READ_MUL;
4055 else
4056 request->u.ata.command = ATA_READ;
4057 }
4058 else if (request->flags & ATA_R_WRITE) {
4059 if (atadev->mode >= ATA_DMA) {
4060 request->flags |= ATA_R_DMA;
4061 request->u.ata.command = ATA_WRITE_DMA;
4062 }
4063 else if (atadev->max_iosize > DEV_BSIZE)
4064 request->u.ata.command = ATA_WRITE_MUL;
4065 else
4066 request->u.ata.command = ATA_WRITE;
4067 }
4068 else {
4069 device_printf(request->dev, "FAILURE - unknown IO operation\n");
4070 ata_free_request(request);
4071 return EIO;
4072 }
4073 request->flags |= (ATA_R_ORDERED | ATA_R_THREAD);
4074 ata_queue_request(request);
4075 return 0;
4076 }
4077
4078 static int
4079 ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags)
4080 {
4081 struct ata_device *atadev = device_get_softc(dev);
4082 struct ata_request *request;
4083 int error;
4084
4085 if (bcount % DEV_BSIZE) {
4086 device_printf(dev, "FAILURE - transfers must be modulo sectorsize\n");
4087 return ENOMEM;
4088 }
4089
4090 if (!(request = ata_alloc_request())) {
4091 device_printf(dev, "FAILURE - out of memory in ata_raid_rw\n");
4092 return ENOMEM;
4093 }
4094
4095 /* setup request */
4096 request->dev = dev;
4097 request->timeout = 10;
4098 request->retries = 0;
4099 request->data = data;
4100 request->bytecount = bcount;
4101 request->transfersize = DEV_BSIZE;
4102 request->u.ata.lba = lba;
4103 request->u.ata.count = request->bytecount / DEV_BSIZE;
4104 request->flags = flags;
4105
4106 if (flags & ATA_R_READ) {
4107 if (atadev->mode >= ATA_DMA) {
4108 request->u.ata.command = ATA_READ_DMA;
4109 request->flags |= ATA_R_DMA;
4110 }
4111 else
4112 request->u.ata.command = ATA_READ;
4113 ata_queue_request(request);
4114 }
4115 else if (flags & ATA_R_WRITE) {
4116 if (atadev->mode >= ATA_DMA) {
4117 request->u.ata.command = ATA_WRITE_DMA;
4118 request->flags |= ATA_R_DMA;
4119 }
4120 else
4121 request->u.ata.command = ATA_WRITE;
4122 ata_queue_request(request);
4123 }
4124 else {
4125 device_printf(dev, "FAILURE - unknown IO operation\n");
4126 request->result = EIO;
4127 }
4128 error = request->result;
4129 ata_free_request(request);
4130 return error;
4131 }
4132
4133 /*
4134 * module handeling
4135 */
4136 static int
4137 ata_raid_subdisk_probe(device_t dev)
4138 {
4139 device_quiet(dev);
4140 return 0;
4141 }
4142
4143 static int
4144 ata_raid_subdisk_attach(device_t dev)
4145 {
4146 struct ata_raid_subdisk *ars = device_get_softc(dev);
4147 int volume;
4148
4149 for (volume = 0; volume < MAX_VOLUMES; volume++) {
4150 ars->raid[volume] = NULL;
4151 ars->disk_number[volume] = -1;
4152 }
4153 ata_raid_read_metadata(dev);
4154 return 0;
4155 }
4156
4157 static int
4158 ata_raid_subdisk_detach(device_t dev)
4159 {
4160 struct ata_raid_subdisk *ars = device_get_softc(dev);
4161 int volume;
4162
4163 for (volume = 0; volume < MAX_VOLUMES; volume++) {
4164 if (ars->raid[volume]) {
4165 ars->raid[volume]->disks[ars->disk_number[volume]].flags &=
4166 ~(AR_DF_PRESENT | AR_DF_ONLINE);
4167 ars->raid[volume]->disks[ars->disk_number[volume]].dev = NULL;
4168 ata_raid_config_changed(ars->raid[volume], 1);
4169 ars->raid[volume] = NULL;
4170 ars->disk_number[volume] = -1;
4171 }
4172 }
4173 return 0;
4174 }
4175
4176 static device_method_t ata_raid_sub_methods[] = {
4177 /* device interface */
4178 DEVMETHOD(device_probe, ata_raid_subdisk_probe),
4179 DEVMETHOD(device_attach, ata_raid_subdisk_attach),
4180 DEVMETHOD(device_detach, ata_raid_subdisk_detach),
4181 { 0, 0 }
4182 };
4183
4184 static driver_t ata_raid_sub_driver = {
4185 "subdisk",
4186 ata_raid_sub_methods,
4187 sizeof(struct ata_raid_subdisk)
4188 };
4189
4190 DRIVER_MODULE(subdisk, ad, ata_raid_sub_driver, ata_raid_sub_devclass, NULL, NULL);
4191
4192 static int
4193 ata_raid_module_event_handler(module_t mod, int what, void *arg)
4194 {
4195 int i;
4196
4197 switch (what) {
4198 case MOD_LOAD:
4199 if (testing || bootverbose)
4200 kprintf("ATA PseudoRAID loaded\n");
4201 #if 0
4202 /* setup table to hold metadata for all ATA PseudoRAID arrays */
4203 ata_raid_arrays = kmalloc(sizeof(struct ar_soft *) * MAX_ARRAYS,
4204 M_AR, M_WAITOK | M_ZERO);
4205 #endif
4206 /* attach found PseudoRAID arrays */
4207 for (i = 0; i < MAX_ARRAYS; i++) {
4208 struct ar_softc *rdp = ata_raid_arrays[i];
4209
4210 if (!rdp || !rdp->format)
4211 continue;
4212 if (testing || bootverbose)
4213 ata_raid_print_meta(rdp);
4214 ata_raid_attach(rdp, 0);
4215 }
4216 ata_raid_ioctl_func = ata_raid_ioctl;
4217 return 0;
4218
4219 case MOD_UNLOAD:
4220 /* detach found PseudoRAID arrays */
4221 for (i = 0; i < MAX_ARRAYS; i++) {
4222 struct ar_softc *rdp = ata_raid_arrays[i];
4223
4224 if (!rdp || !rdp->status)
4225 continue;
4226 disk_destroy(&rdp->disk);
4227 }
4228 if (testing || bootverbose)
4229 kprintf("ATA PseudoRAID unloaded\n");
4230 #if 0
4231 kfree(ata_raid_arrays, M_AR);
4232 #endif
4233 ata_raid_ioctl_func = NULL;
4234 return 0;
4235
4236 default:
4237 return EOPNOTSUPP;
4238 }
4239 }
4240
4241 static moduledata_t ata_raid_moduledata =
4242 { "ataraid", ata_raid_module_event_handler, NULL };
4243 DECLARE_MODULE(ata, ata_raid_moduledata, SI_SUB_RAID, SI_ORDER_FIRST);
4244 MODULE_VERSION(ataraid, 1);
4245 MODULE_DEPEND(ataraid, ata, 1, 1, 1);
4246 MODULE_DEPEND(ataraid, ad, 1, 1, 1);
4247
4248 static char *
4249 ata_raid_format(struct ar_softc *rdp)
4250 {
4251 switch (rdp->format) {
4252 case AR_F_FREEBSD_RAID: return "FreeBSD PseudoRAID";
4253 case AR_F_ADAPTEC_RAID: return "Adaptec HostRAID";
4254 case AR_F_HPTV2_RAID: return "HighPoint v2 RocketRAID";
4255 case AR_F_HPTV3_RAID: return "HighPoint v3 RocketRAID";
4256 case AR_F_INTEL_RAID: return "Intel MatrixRAID";
4257 case AR_F_ITE_RAID: return "Integrated Technology Express";
4258 case AR_F_JMICRON_RAID: return "JMicron Technology Corp";
4259 case AR_F_LSIV2_RAID: return "LSILogic v2 MegaRAID";
4260 case AR_F_LSIV3_RAID: return "LSILogic v3 MegaRAID";
4261 case AR_F_NVIDIA_RAID: return "nVidia MediaShield";
4262 case AR_F_PROMISE_RAID: return "Promise Fasttrak";
4263 case AR_F_SII_RAID: return "Silicon Image Medley";
4264 case AR_F_SIS_RAID: return "Silicon Integrated Systems";
4265 case AR_F_VIA_RAID: return "VIA Tech V-RAID";
4266 default: return "UNKNOWN";
4267 }
4268 }
4269
4270 static char *
4271 ata_raid_type(struct ar_softc *rdp)
4272 {
4273 switch (rdp->type) {
4274 case AR_T_JBOD: return "JBOD";
4275 case AR_T_SPAN: return "SPAN";
4276 case AR_T_RAID0: return "RAID0";
4277 case AR_T_RAID1: return "RAID1";
4278 case AR_T_RAID3: return "RAID3";
4279 case AR_T_RAID4: return "RAID4";
4280 case AR_T_RAID5: return "RAID5";
4281 case AR_T_RAID01: return "RAID0+1";
4282 default: return "UNKNOWN";
4283 }
4284 }
4285
4286 static char *
4287 ata_raid_flags(struct ar_softc *rdp)
4288 {
4289 switch (rdp->status & (AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING)) {
4290 case AR_S_READY: return "READY";
4291 case AR_S_READY | AR_S_DEGRADED: return "DEGRADED";
4292 case AR_S_READY | AR_S_REBUILDING:
4293 case AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING: return "REBUILDING";
4294 default: return "BROKEN";
4295 }
4296 }
4297
4298 /* debugging gunk */
4299 static void
4300 ata_raid_print_meta(struct ar_softc *raid)
4301 {
4302 int i;
4303
4304 kprintf("********** ATA PseudoRAID ar%d Metadata **********\n", raid->lun);
4305 kprintf("=================================================\n");
4306 kprintf("format %s\n", ata_raid_format(raid));
4307 kprintf("type %s\n", ata_raid_type(raid));
4308 kprintf("flags 0x%02x %b\n", raid->status, raid->status,
4309 "\20\3REBUILDING\2DEGRADED\1READY\n");
4310 kprintf("magic_0 0x%016jx\n", raid->magic_0);
4311 kprintf("magic_1 0x%016jx\n",raid->magic_1);
4312 kprintf("generation %u\n", raid->generation);
4313 kprintf("total_sectors %ju\n", raid->total_sectors);
4314 kprintf("offset_sectors %ju\n", raid->offset_sectors);
4315 kprintf("heads %u\n", raid->heads);
4316 kprintf("sectors %u\n", raid->sectors);
4317 kprintf("cylinders %u\n", raid->cylinders);
4318 kprintf("width %u\n", raid->width);
4319 kprintf("interleave %u\n", raid->interleave);
4320 kprintf("total_disks %u\n", raid->total_disks);
4321 for (i = 0; i < raid->total_disks; i++) {
4322 kprintf(" disk %d: flags = 0x%02x %b\n", i, raid->disks[i].flags,
4323 raid->disks[i].flags, "\20\4ONLINE\3SPARE\2ASSIGNED\1PRESENT\n");
4324 if (raid->disks[i].dev) {
4325 kprintf(" ");
4326 device_printf(raid->disks[i].dev, " sectors %jd\n",
4327 raid->disks[i].sectors);
4328 }
4329 }
4330 kprintf("=================================================\n");
4331 }
4332
4333 static char *
4334 ata_raid_adaptec_type(int type)
4335 {
4336 static char buffer[16];
4337
4338 switch (type) {
4339 case ADP_T_RAID0: return "RAID0";
4340 case ADP_T_RAID1: return "RAID1";
4341 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4342 return buffer;
4343 }
4344 }
4345
4346 static void
4347 ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta)
4348 {
4349 int i;
4350
4351 kprintf("********* ATA Adaptec HostRAID Metadata *********\n");
4352 kprintf("magic_0 <0x%08x>\n", be32toh(meta->magic_0));
4353 kprintf("generation 0x%08x\n", be32toh(meta->generation));
4354 kprintf("dummy_0 0x%04x\n", be16toh(meta->dummy_0));
4355 kprintf("total_configs %u\n", be16toh(meta->total_configs));
4356 kprintf("dummy_1 0x%04x\n", be16toh(meta->dummy_1));
4357 kprintf("checksum 0x%04x\n", be16toh(meta->checksum));
4358 kprintf("dummy_2 0x%08x\n", be32toh(meta->dummy_2));
4359 kprintf("dummy_3 0x%08x\n", be32toh(meta->dummy_3));
4360 kprintf("flags 0x%08x\n", be32toh(meta->flags));
4361 kprintf("timestamp 0x%08x\n", be32toh(meta->timestamp));
4362 kprintf("dummy_4 0x%08x 0x%08x 0x%08x 0x%08x\n",
4363 be32toh(meta->dummy_4[0]), be32toh(meta->dummy_4[1]),
4364 be32toh(meta->dummy_4[2]), be32toh(meta->dummy_4[3]));
4365 kprintf("dummy_5 0x%08x 0x%08x 0x%08x 0x%08x\n",
4366 be32toh(meta->dummy_5[0]), be32toh(meta->dummy_5[1]),
4367 be32toh(meta->dummy_5[2]), be32toh(meta->dummy_5[3]));
4368
4369 for (i = 0; i < be16toh(meta->total_configs); i++) {
4370 kprintf(" %d total_disks %u\n", i,
4371 be16toh(meta->configs[i].disk_number));
4372 kprintf(" %d generation %u\n", i,
4373 be16toh(meta->configs[i].generation));
4374 kprintf(" %d magic_0 0x%08x\n", i,
4375 be32toh(meta->configs[i].magic_0));
4376 kprintf(" %d dummy_0 0x%02x\n", i, meta->configs[i].dummy_0);
4377 kprintf(" %d type %s\n", i,
4378 ata_raid_adaptec_type(meta->configs[i].type));
4379 kprintf(" %d dummy_1 0x%02x\n", i, meta->configs[i].dummy_1);
4380 kprintf(" %d flags %d\n", i,
4381 be32toh(meta->configs[i].flags));
4382 kprintf(" %d dummy_2 0x%02x\n", i, meta->configs[i].dummy_2);
4383 kprintf(" %d dummy_3 0x%02x\n", i, meta->configs[i].dummy_3);
4384 kprintf(" %d dummy_4 0x%02x\n", i, meta->configs[i].dummy_4);
4385 kprintf(" %d dummy_5 0x%02x\n", i, meta->configs[i].dummy_5);
4386 kprintf(" %d disk_number %u\n", i,
4387 be32toh(meta->configs[i].disk_number));
4388 kprintf(" %d dummy_6 0x%08x\n", i,
4389 be32toh(meta->configs[i].dummy_6));
4390 kprintf(" %d sectors %u\n", i,
4391 be32toh(meta->configs[i].sectors));
4392 kprintf(" %d stripe_shift %u\n", i,
4393 be16toh(meta->configs[i].stripe_shift));
4394 kprintf(" %d dummy_7 0x%08x\n", i,
4395 be32toh(meta->configs[i].dummy_7));
4396 kprintf(" %d dummy_8 0x%08x 0x%08x 0x%08x 0x%08x\n", i,
4397 be32toh(meta->configs[i].dummy_8[0]),
4398 be32toh(meta->configs[i].dummy_8[1]),
4399 be32toh(meta->configs[i].dummy_8[2]),
4400 be32toh(meta->configs[i].dummy_8[3]));
4401 kprintf(" %d name <%s>\n", i, meta->configs[i].name);
4402 }
4403 kprintf("magic_1 <0x%08x>\n", be32toh(meta->magic_1));
4404 kprintf("magic_2 <0x%08x>\n", be32toh(meta->magic_2));
4405 kprintf("magic_3 <0x%08x>\n", be32toh(meta->magic_3));
4406 kprintf("magic_4 <0x%08x>\n", be32toh(meta->magic_4));
4407 kprintf("=================================================\n");
4408 }
4409
4410 static char *
4411 ata_raid_hptv2_type(int type)
4412 {
4413 static char buffer[16];
4414
4415 switch (type) {
4416 case HPTV2_T_RAID0: return "RAID0";
4417 case HPTV2_T_RAID1: return "RAID1";
4418 case HPTV2_T_RAID01_RAID0: return "RAID01_RAID0";
4419 case HPTV2_T_SPAN: return "SPAN";
4420 case HPTV2_T_RAID_3: return "RAID3";
4421 case HPTV2_T_RAID_5: return "RAID5";
4422 case HPTV2_T_JBOD: return "JBOD";
4423 case HPTV2_T_RAID01_RAID1: return "RAID01_RAID1";
4424 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4425 return buffer;
4426 }
4427 }
4428
4429 static void
4430 ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta)
4431 {
4432 int i;
4433
4434 kprintf("****** ATA Highpoint V2 RocketRAID Metadata *****\n");
4435 kprintf("magic 0x%08x\n", meta->magic);
4436 kprintf("magic_0 0x%08x\n", meta->magic_0);
4437 kprintf("magic_1 0x%08x\n", meta->magic_1);
4438 kprintf("order 0x%08x\n", meta->order);
4439 kprintf("array_width %u\n", meta->array_width);
4440 kprintf("stripe_shift %u\n", meta->stripe_shift);
4441 kprintf("type %s\n", ata_raid_hptv2_type(meta->type));
4442 kprintf("disk_number %u\n", meta->disk_number);
4443 kprintf("total_sectors %u\n", meta->total_sectors);
4444 kprintf("disk_mode 0x%08x\n", meta->disk_mode);
4445 kprintf("boot_mode 0x%08x\n", meta->boot_mode);
4446 kprintf("boot_disk 0x%02x\n", meta->boot_disk);
4447 kprintf("boot_protect 0x%02x\n", meta->boot_protect);
4448 kprintf("log_entries 0x%02x\n", meta->error_log_entries);
4449 kprintf("log_index 0x%02x\n", meta->error_log_index);
4450 if (meta->error_log_entries) {
4451 kprintf(" timestamp reason disk status sectors lba\n");
4452 for (i = meta->error_log_index;
4453 i < meta->error_log_index + meta->error_log_entries; i++)
4454 kprintf(" 0x%08x 0x%02x 0x%02x 0x%02x 0x%02x 0x%08x\n",
4455 meta->errorlog[i%32].timestamp,
4456 meta->errorlog[i%32].reason,
4457 meta->errorlog[i%32].disk, meta->errorlog[i%32].status,
4458 meta->errorlog[i%32].sectors, meta->errorlog[i%32].lba);
4459 }
4460 kprintf("rebuild_lba 0x%08x\n", meta->rebuild_lba);
4461 kprintf("dummy_1 0x%02x\n", meta->dummy_1);
4462 kprintf("name_1 <%.15s>\n", meta->name_1);
4463 kprintf("dummy_2 0x%02x\n", meta->dummy_2);
4464 kprintf("name_2 <%.15s>\n", meta->name_2);
4465 kprintf("=================================================\n");
4466 }
4467
4468 static char *
4469 ata_raid_hptv3_type(int type)
4470 {
4471 static char buffer[16];
4472
4473 switch (type) {
4474 case HPTV3_T_SPARE: return "SPARE";
4475 case HPTV3_T_JBOD: return "JBOD";
4476 case HPTV3_T_SPAN: return "SPAN";
4477 case HPTV3_T_RAID0: return "RAID0";
4478 case HPTV3_T_RAID1: return "RAID1";
4479 case HPTV3_T_RAID3: return "RAID3";
4480 case HPTV3_T_RAID5: return "RAID5";
4481 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4482 return buffer;
4483 }
4484 }
4485
4486 static void
4487 ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta)
4488 {
4489 int i;
4490
4491 kprintf("****** ATA Highpoint V3 RocketRAID Metadata *****\n");
4492 kprintf("magic 0x%08x\n", meta->magic);
4493 kprintf("magic_0 0x%08x\n", meta->magic_0);
4494 kprintf("checksum_0 0x%02x\n", meta->checksum_0);
4495 kprintf("mode 0x%02x\n", meta->mode);
4496 kprintf("user_mode 0x%02x\n", meta->user_mode);
4497 kprintf("config_entries 0x%02x\n", meta->config_entries);
4498 for (i = 0; i < meta->config_entries; i++) {
4499 kprintf("config %d:\n", i);
4500 kprintf(" total_sectors %ju\n",
4501 meta->configs[0].total_sectors +
4502 ((u_int64_t)meta->configs_high[0].total_sectors << 32));
4503 kprintf(" type %s\n",
4504 ata_raid_hptv3_type(meta->configs[i].type));
4505 kprintf(" total_disks %u\n", meta->configs[i].total_disks);
4506 kprintf(" disk_number %u\n", meta->configs[i].disk_number);
4507 kprintf(" stripe_shift %u\n", meta->configs[i].stripe_shift);
4508 kprintf(" status %b\n", meta->configs[i].status,
4509 "\20\2RAID5\1NEED_REBUILD\n");
4510 kprintf(" critical_disks %u\n", meta->configs[i].critical_disks);
4511 kprintf(" rebuild_lba %ju\n",
4512 meta->configs_high[0].rebuild_lba +
4513 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32));
4514 }
4515 kprintf("name <%.16s>\n", meta->name);
4516 kprintf("timestamp 0x%08x\n", meta->timestamp);
4517 kprintf("description <%.16s>\n", meta->description);
4518 kprintf("creator <%.16s>\n", meta->creator);
4519 kprintf("checksum_1 0x%02x\n", meta->checksum_1);
4520 kprintf("dummy_0 0x%02x\n", meta->dummy_0);
4521 kprintf("dummy_1 0x%02x\n", meta->dummy_1);
4522 kprintf("flags %b\n", meta->flags,
4523 "\20\4RCACHE\3WCACHE\2NCQ\1TCQ\n");
4524 kprintf("=================================================\n");
4525 }
4526
4527 static char *
4528 ata_raid_intel_type(int type)
4529 {
4530 static char buffer[16];
4531
4532 switch (type) {
4533 case INTEL_T_RAID0: return "RAID0";
4534 case INTEL_T_RAID1: return "RAID1";
4535 case INTEL_T_RAID5: return "RAID5";
4536 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4537 return buffer;
4538 }
4539 }
4540
4541 static void
4542 ata_raid_intel_print_meta(struct intel_raid_conf *meta)
4543 {
4544 struct intel_raid_mapping *map;
4545 int i, j;
4546
4547 kprintf("********* ATA Intel MatrixRAID Metadata *********\n");
4548 kprintf("intel_id <%.24s>\n", meta->intel_id);
4549 kprintf("version <%.6s>\n", meta->version);
4550 kprintf("checksum 0x%08x\n", meta->checksum);
4551 kprintf("config_size 0x%08x\n", meta->config_size);
4552 kprintf("config_id 0x%08x\n", meta->config_id);
4553 kprintf("generation 0x%08x\n", meta->generation);
4554 kprintf("total_disks %u\n", meta->total_disks);
4555 kprintf("total_volumes %u\n", meta->total_volumes);
4556 kprintf("DISK# serial disk_sectors disk_id flags\n");
4557 for (i = 0; i < meta->total_disks; i++ ) {
4558 kprintf(" %d <%.16s> %u 0x%08x 0x%08x\n", i,
4559 meta->disk[i].serial, meta->disk[i].sectors,
4560 meta->disk[i].id, meta->disk[i].flags);
4561 }
4562 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks];
4563 for (j = 0; j < meta->total_volumes; j++) {
4564 kprintf("name %.16s\n", map->name);
4565 kprintf("total_sectors %ju\n", map->total_sectors);
4566 kprintf("state %u\n", map->state);
4567 kprintf("reserved %u\n", map->reserved);
4568 kprintf("offset %u\n", map->offset);
4569 kprintf("disk_sectors %u\n", map->disk_sectors);
4570 kprintf("stripe_count %u\n", map->stripe_count);
4571 kprintf("stripe_sectors %u\n", map->stripe_sectors);
4572 kprintf("status %u\n", map->status);
4573 kprintf("type %s\n", ata_raid_intel_type(map->type));
4574 kprintf("total_disks %u\n", map->total_disks);
4575 kprintf("magic[0] 0x%02x\n", map->magic[0]);
4576 kprintf("magic[1] 0x%02x\n", map->magic[1]);
4577 kprintf("magic[2] 0x%02x\n", map->magic[2]);
4578 for (i = 0; i < map->total_disks; i++ ) {
4579 kprintf(" disk %d at disk_idx 0x%08x\n", i, map->disk_idx[i]);
4580 }
4581 map = (struct intel_raid_mapping *)&map->disk_idx[map->total_disks];
4582 }
4583 kprintf("=================================================\n");
4584 }
4585
4586 static char *
4587 ata_raid_ite_type(int type)
4588 {
4589 static char buffer[16];
4590
4591 switch (type) {
4592 case ITE_T_RAID0: return "RAID0";
4593 case ITE_T_RAID1: return "RAID1";
4594 case ITE_T_RAID01: return "RAID0+1";
4595 case ITE_T_SPAN: return "SPAN";
4596 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4597 return buffer;
4598 }
4599 }
4600
4601 static void
4602 ata_raid_ite_print_meta(struct ite_raid_conf *meta)
4603 {
4604 kprintf("*** ATA Integrated Technology Express Metadata **\n");
4605 kprintf("ite_id <%.40s>\n", meta->ite_id);
4606 kprintf("timestamp_0 %04x/%02x/%02x %02x:%02x:%02x.%02x\n",
4607 *((u_int16_t *)meta->timestamp_0), meta->timestamp_0[2],
4608 meta->timestamp_0[3], meta->timestamp_0[5], meta->timestamp_0[4],
4609 meta->timestamp_0[7], meta->timestamp_0[6]);
4610 kprintf("total_sectors %jd\n", meta->total_sectors);
4611 kprintf("type %s\n", ata_raid_ite_type(meta->type));
4612 kprintf("stripe_1kblocks %u\n", meta->stripe_1kblocks);
4613 kprintf("timestamp_1 %04x/%02x/%02x %02x:%02x:%02x.%02x\n",
4614 *((u_int16_t *)meta->timestamp_1), meta->timestamp_1[2],
4615 meta->timestamp_1[3], meta->timestamp_1[5], meta->timestamp_1[4],
4616 meta->timestamp_1[7], meta->timestamp_1[6]);
4617 kprintf("stripe_sectors %u\n", meta->stripe_sectors);
4618 kprintf("array_width %u\n", meta->array_width);
4619 kprintf("disk_number %u\n", meta->disk_number);
4620 kprintf("disk_sectors %u\n", meta->disk_sectors);
4621 kprintf("=================================================\n");
4622 }
4623
4624 static char *
4625 ata_raid_jmicron_type(int type)
4626 {
4627 static char buffer[16];
4628
4629 switch (type) {
4630 case JM_T_RAID0: return "RAID0";
4631 case JM_T_RAID1: return "RAID1";
4632 case JM_T_RAID01: return "RAID0+1";
4633 case JM_T_JBOD: return "JBOD";
4634 case JM_T_RAID5: return "RAID5";
4635 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4636 return buffer;
4637 }
4638 }
4639
4640 static void
4641 ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta)
4642 {
4643 int i;
4644
4645 kprintf("***** ATA JMicron Technology Corp Metadata ******\n");
4646 kprintf("signature %.2s\n", meta->signature);
4647 kprintf("version 0x%04x\n", meta->version);
4648 kprintf("checksum 0x%04x\n", meta->checksum);
4649 kprintf("disk_id 0x%08x\n", meta->disk_id);
4650 kprintf("offset 0x%08x\n", meta->offset);
4651 kprintf("disk_sectors_low 0x%08x\n", meta->disk_sectors_low);
4652 kprintf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high);
4653 kprintf("name %.16s\n", meta->name);
4654 kprintf("type %s\n", ata_raid_jmicron_type(meta->type));
4655 kprintf("stripe_shift %d\n", meta->stripe_shift);
4656 kprintf("flags 0x%04x\n", meta->flags);
4657 kprintf("spare:\n");
4658 for (i=0; i < 2 && meta->spare[i]; i++)
4659 kprintf(" %d 0x%08x\n", i, meta->spare[i]);
4660 kprintf("disks:\n");
4661 for (i=0; i < 8 && meta->disks[i]; i++)
4662 kprintf(" %d 0x%08x\n", i, meta->disks[i]);
4663 kprintf("=================================================\n");
4664 }
4665
4666 static char *
4667 ata_raid_lsiv2_type(int type)
4668 {
4669 static char buffer[16];
4670
4671 switch (type) {
4672 case LSIV2_T_RAID0: return "RAID0";
4673 case LSIV2_T_RAID1: return "RAID1";
4674 case LSIV2_T_SPARE: return "SPARE";
4675 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4676 return buffer;
4677 }
4678 }
4679
4680 static void
4681 ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta)
4682 {
4683 int i;
4684
4685 kprintf("******* ATA LSILogic V2 MegaRAID Metadata *******\n");
4686 kprintf("lsi_id <%s>\n", meta->lsi_id);
4687 kprintf("dummy_0 0x%02x\n", meta->dummy_0);
4688 kprintf("flags 0x%02x\n", meta->flags);
4689 kprintf("version 0x%04x\n", meta->version);
4690 kprintf("config_entries 0x%02x\n", meta->config_entries);
4691 kprintf("raid_count 0x%02x\n", meta->raid_count);
4692 kprintf("total_disks 0x%02x\n", meta->total_disks);
4693 kprintf("dummy_1 0x%02x\n", meta->dummy_1);
4694 kprintf("dummy_2 0x%04x\n", meta->dummy_2);
4695 for (i = 0; i < meta->config_entries; i++) {
4696 kprintf(" type %s\n",
4697 ata_raid_lsiv2_type(meta->configs[i].raid.type));
4698 kprintf(" dummy_0 %02x\n", meta->configs[i].raid.dummy_0);
4699 kprintf(" stripe_sectors %u\n",
4700 meta->configs[i].raid.stripe_sectors);
4701 kprintf(" array_width %u\n",
4702 meta->configs[i].raid.array_width);
4703 kprintf(" disk_count %u\n", meta->configs[i].raid.disk_count);
4704 kprintf(" config_offset %u\n",
4705 meta->configs[i].raid.config_offset);
4706 kprintf(" dummy_1 %u\n", meta->configs[i].raid.dummy_1);
4707 kprintf(" flags %02x\n", meta->configs[i].raid.flags);
4708 kprintf(" total_sectors %u\n",
4709 meta->configs[i].raid.total_sectors);
4710 }
4711 kprintf("disk_number 0x%02x\n", meta->disk_number);
4712 kprintf("raid_number 0x%02x\n", meta->raid_number);
4713 kprintf("timestamp 0x%08x\n", meta->timestamp);
4714 kprintf("=================================================\n");
4715 }
4716
4717 static char *
4718 ata_raid_lsiv3_type(int type)
4719 {
4720 static char buffer[16];
4721
4722 switch (type) {
4723 case LSIV3_T_RAID0: return "RAID0";
4724 case LSIV3_T_RAID1: return "RAID1";
4725 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4726 return buffer;
4727 }
4728 }
4729
4730 static void
4731 ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta)
4732 {
4733 int i;
4734
4735 kprintf("******* ATA LSILogic V3 MegaRAID Metadata *******\n");
4736 kprintf("lsi_id <%.6s>\n", meta->lsi_id);
4737 kprintf("dummy_0 0x%04x\n", meta->dummy_0);
4738 kprintf("version 0x%04x\n", meta->version);
4739 kprintf("dummy_0 0x%04x\n", meta->dummy_1);
4740 kprintf("RAID configs:\n");
4741 for (i = 0; i < 8; i++) {
4742 if (meta->raid[i].total_disks) {
4743 kprintf("%02d stripe_pages %u\n", i,
4744 meta->raid[i].stripe_pages);
4745 kprintf("%02d type %s\n", i,
4746 ata_raid_lsiv3_type(meta->raid[i].type));
4747 kprintf("%02d total_disks %u\n", i,
4748 meta->raid[i].total_disks);
4749 kprintf("%02d array_width %u\n", i,
4750 meta->raid[i].array_width);
4751 kprintf("%02d sectors %u\n", i, meta->raid[i].sectors);
4752 kprintf("%02d offset %u\n", i, meta->raid[i].offset);
4753 kprintf("%02d device 0x%02x\n", i,
4754 meta->raid[i].device);
4755 }
4756 }
4757 kprintf("DISK configs:\n");
4758 for (i = 0; i < 6; i++) {
4759 if (meta->disk[i].disk_sectors) {
4760 kprintf("%02d disk_sectors %u\n", i,
4761 meta->disk[i].disk_sectors);
4762 kprintf("%02d flags 0x%02x\n", i, meta->disk[i].flags);
4763 }
4764 }
4765 kprintf("device 0x%02x\n", meta->device);
4766 kprintf("timestamp 0x%08x\n", meta->timestamp);
4767 kprintf("checksum_1 0x%02x\n", meta->checksum_1);
4768 kprintf("=================================================\n");
4769 }
4770
4771 static char *
4772 ata_raid_nvidia_type(int type)
4773 {
4774 static char buffer[16];
4775
4776 switch (type) {
4777 case NV_T_SPAN: return "SPAN";
4778 case NV_T_RAID0: return "RAID0";
4779 case NV_T_RAID1: return "RAID1";
4780 case NV_T_RAID3: return "RAID3";
4781 case NV_T_RAID5: return "RAID5";
4782 case NV_T_RAID01: return "RAID0+1";
4783 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4784 return buffer;
4785 }
4786 }
4787
4788 static void
4789 ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta)
4790 {
4791 kprintf("******** ATA nVidia MediaShield Metadata ********\n");
4792 kprintf("nvidia_id <%.8s>\n", meta->nvidia_id);
4793 kprintf("config_size %d\n", meta->config_size);
4794 kprintf("checksum 0x%08x\n", meta->checksum);
4795 kprintf("version 0x%04x\n", meta->version);
4796 kprintf("disk_number %d\n", meta->disk_number);
4797 kprintf("dummy_0 0x%02x\n", meta->dummy_0);
4798 kprintf("total_sectors %d\n", meta->total_sectors);
4799 kprintf("sectors_size %d\n", meta->sector_size);
4800 kprintf("serial %.16s\n", meta->serial);
4801 kprintf("revision %.4s\n", meta->revision);
4802 kprintf("dummy_1 0x%08x\n", meta->dummy_1);
4803 kprintf("magic_0 0x%08x\n", meta->magic_0);
4804 kprintf("magic_1 0x%016jx\n", meta->magic_1);
4805 kprintf("magic_2 0x%016jx\n", meta->magic_2);
4806 kprintf("flags 0x%02x\n", meta->flags);
4807 kprintf("array_width %d\n", meta->array_width);
4808 kprintf("total_disks %d\n", meta->total_disks);
4809 kprintf("dummy_2 0x%02x\n", meta->dummy_2);
4810 kprintf("type %s\n", ata_raid_nvidia_type(meta->type));
4811 kprintf("dummy_3 0x%04x\n", meta->dummy_3);
4812 kprintf("stripe_sectors %d\n", meta->stripe_sectors);
4813 kprintf("stripe_bytes %d\n", meta->stripe_bytes);
4814 kprintf("stripe_shift %d\n", meta->stripe_shift);
4815 kprintf("stripe_mask 0x%08x\n", meta->stripe_mask);
4816 kprintf("stripe_sizesectors %d\n", meta->stripe_sizesectors);
4817 kprintf("stripe_sizebytes %d\n", meta->stripe_sizebytes);
4818 kprintf("rebuild_lba %d\n", meta->rebuild_lba);
4819 kprintf("dummy_4 0x%08x\n", meta->dummy_4);
4820 kprintf("dummy_5 0x%08x\n", meta->dummy_5);
4821 kprintf("status 0x%08x\n", meta->status);
4822 kprintf("=================================================\n");
4823 }
4824
4825 static char *
4826 ata_raid_promise_type(int type)
4827 {
4828 static char buffer[16];
4829
4830 switch (type) {
4831 case PR_T_RAID0: return "RAID0";
4832 case PR_T_RAID1: return "RAID1";
4833 case PR_T_RAID3: return "RAID3";
4834 case PR_T_RAID5: return "RAID5";
4835 case PR_T_SPAN: return "SPAN";
4836 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4837 return buffer;
4838 }
4839 }
4840
4841 static void
4842 ata_raid_promise_print_meta(struct promise_raid_conf *meta)
4843 {
4844 int i;
4845
4846 kprintf("********* ATA Promise FastTrak Metadata *********\n");
4847 kprintf("promise_id <%s>\n", meta->promise_id);
4848 kprintf("dummy_0 0x%08x\n", meta->dummy_0);
4849 kprintf("magic_0 0x%016jx\n", meta->magic_0);
4850 kprintf("magic_1 0x%04x\n", meta->magic_1);
4851 kprintf("magic_2 0x%08x\n", meta->magic_2);
4852 kprintf("integrity 0x%08x %b\n", meta->raid.integrity,
4853 meta->raid.integrity, "\20\10VALID\n" );
4854 kprintf("flags 0x%02x %b\n",
4855 meta->raid.flags, meta->raid.flags,
4856 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE"
4857 "\3ASSIGNED\2ONLINE\1VALID\n");
4858 kprintf("disk_number %d\n", meta->raid.disk_number);
4859 kprintf("channel 0x%02x\n", meta->raid.channel);
4860 kprintf("device 0x%02x\n", meta->raid.device);
4861 kprintf("magic_0 0x%016jx\n", meta->raid.magic_0);
4862 kprintf("disk_offset %u\n", meta->raid.disk_offset);
4863 kprintf("disk_sectors %u\n", meta->raid.disk_sectors);
4864 kprintf("rebuild_lba 0x%08x\n", meta->raid.rebuild_lba);
4865 kprintf("generation 0x%04x\n", meta->raid.generation);
4866 kprintf("status 0x%02x %b\n",
4867 meta->raid.status, meta->raid.status,
4868 "\20\6MARKED\5DEGRADED\4READY\3INITED\2ONLINE\1VALID\n");
4869 kprintf("type %s\n", ata_raid_promise_type(meta->raid.type));
4870 kprintf("total_disks %u\n", meta->raid.total_disks);
4871 kprintf("stripe_shift %u\n", meta->raid.stripe_shift);
4872 kprintf("array_width %u\n", meta->raid.array_width);
4873 kprintf("array_number %u\n", meta->raid.array_number);
4874 kprintf("total_sectors %u\n", meta->raid.total_sectors);
4875 kprintf("cylinders %u\n", meta->raid.cylinders);
4876 kprintf("heads %u\n", meta->raid.heads);
4877 kprintf("sectors %u\n", meta->raid.sectors);
4878 kprintf("magic_1 0x%016jx\n", meta->raid.magic_1);
4879 kprintf("DISK# flags dummy_0 channel device magic_0\n");
4880 for (i = 0; i < 8; i++) {
4881 kprintf(" %d %b 0x%02x 0x%02x 0x%02x ",
4882 i, meta->raid.disk[i].flags,
4883 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE"
4884 "\3ASSIGNED\2ONLINE\1VALID\n", meta->raid.disk[i].dummy_0,
4885 meta->raid.disk[i].channel, meta->raid.disk[i].device);
4886 kprintf("0x%016jx\n", meta->raid.disk[i].magic_0);
4887 }
4888 kprintf("checksum 0x%08x\n", meta->checksum);
4889 kprintf("=================================================\n");
4890 }
4891
4892 static char *
4893 ata_raid_sii_type(int type)
4894 {
4895 static char buffer[16];
4896
4897 switch (type) {
4898 case SII_T_RAID0: return "RAID0";
4899 case SII_T_RAID1: return "RAID1";
4900 case SII_T_RAID01: return "RAID0+1";
4901 case SII_T_SPARE: return "SPARE";
4902 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4903 return buffer;
4904 }
4905 }
4906
4907 static void
4908 ata_raid_sii_print_meta(struct sii_raid_conf *meta)
4909 {
4910 kprintf("******* ATA Silicon Image Medley Metadata *******\n");
4911 kprintf("total_sectors %ju\n", meta->total_sectors);
4912 kprintf("dummy_0 0x%04x\n", meta->dummy_0);
4913 kprintf("dummy_1 0x%04x\n", meta->dummy_1);
4914 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id);
4915 kprintf("version_minor 0x%04x\n", meta->version_minor);
4916 kprintf("version_major 0x%04x\n", meta->version_major);
4917 kprintf("timestamp 20%02x/%02x/%02x %02x:%02x:%02x\n",
4918 meta->timestamp[5], meta->timestamp[4], meta->timestamp[3],
4919 meta->timestamp[2], meta->timestamp[1], meta->timestamp[0]);
4920 kprintf("stripe_sectors %u\n", meta->stripe_sectors);
4921 kprintf("dummy_2 0x%04x\n", meta->dummy_2);
4922 kprintf("disk_number %u\n", meta->disk_number);
4923 kprintf("type %s\n", ata_raid_sii_type(meta->type));
4924 kprintf("raid0_disks %u\n", meta->raid0_disks);
4925 kprintf("raid0_ident %u\n", meta->raid0_ident);
4926 kprintf("raid1_disks %u\n", meta->raid1_disks);
4927 kprintf("raid1_ident %u\n", meta->raid1_ident);
4928 kprintf("rebuild_lba %ju\n", meta->rebuild_lba);
4929 kprintf("generation 0x%08x\n", meta->generation);
4930 kprintf("status 0x%02x %b\n",
4931 meta->status, meta->status,
4932 "\20\1READY\n");
4933 kprintf("base_raid1_position %02x\n", meta->base_raid1_position);
4934 kprintf("base_raid0_position %02x\n", meta->base_raid0_position);
4935 kprintf("position %02x\n", meta->position);
4936 kprintf("dummy_3 %04x\n", meta->dummy_3);
4937 kprintf("name <%.16s>\n", meta->name);
4938 kprintf("checksum_0 0x%04x\n", meta->checksum_0);
4939 kprintf("checksum_1 0x%04x\n", meta->checksum_1);
4940 kprintf("=================================================\n");
4941 }
4942
4943 static char *
4944 ata_raid_sis_type(int type)
4945 {
4946 static char buffer[16];
4947
4948 switch (type) {
4949 case SIS_T_JBOD: return "JBOD";
4950 case SIS_T_RAID0: return "RAID0";
4951 case SIS_T_RAID1: return "RAID1";
4952 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4953 return buffer;
4954 }
4955 }
4956
4957 static void
4958 ata_raid_sis_print_meta(struct sis_raid_conf *meta)
4959 {
4960 kprintf("**** ATA Silicon Integrated Systems Metadata ****\n");
4961 kprintf("magic 0x%04x\n", meta->magic);
4962 kprintf("disks 0x%02x\n", meta->disks);
4963 kprintf("type %s\n",
4964 ata_raid_sis_type(meta->type_total_disks & SIS_T_MASK));
4965 kprintf("total_disks %u\n", meta->type_total_disks & SIS_D_MASK);
4966 kprintf("dummy_0 0x%08x\n", meta->dummy_0);
4967 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id);
4968 kprintf("stripe_sectors %u\n", meta->stripe_sectors);
4969 kprintf("dummy_1 0x%04x\n", meta->dummy_1);
4970 kprintf("timestamp 0x%08x\n", meta->timestamp);
4971 kprintf("model %.40s\n", meta->model);
4972 kprintf("disk_number %u\n", meta->disk_number);
4973 kprintf("dummy_2 0x%02x 0x%02x 0x%02x\n",
4974 meta->dummy_2[0], meta->dummy_2[1], meta->dummy_2[2]);
4975 kprintf("=================================================\n");
4976 }
4977
4978 static char *
4979 ata_raid_via_type(int type)
4980 {
4981 static char buffer[16];
4982
4983 switch (type) {
4984 case VIA_T_RAID0: return "RAID0";
4985 case VIA_T_RAID1: return "RAID1";
4986 case VIA_T_RAID5: return "RAID5";
4987 case VIA_T_RAID01: return "RAID0+1";
4988 case VIA_T_SPAN: return "SPAN";
4989 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4990 return buffer;
4991 }
4992 }
4993
4994 static void
4995 ata_raid_via_print_meta(struct via_raid_conf *meta)
4996 {
4997 int i;
4998
4999 kprintf("*************** ATA VIA Metadata ****************\n");
5000 kprintf("magic 0x%02x\n", meta->magic);
5001 kprintf("dummy_0 0x%02x\n", meta->dummy_0);
5002 kprintf("type %s\n",
5003 ata_raid_via_type(meta->type & VIA_T_MASK));
5004 kprintf("bootable %d\n", meta->type & VIA_T_BOOTABLE);
5005 kprintf("unknown %d\n", meta->type & VIA_T_UNKNOWN);
5006 kprintf("disk_index 0x%02x\n", meta->disk_index);
5007 kprintf("stripe_layout 0x%02x\n", meta->stripe_layout);
5008 kprintf(" stripe_disks %d\n", meta->stripe_layout & VIA_L_DISKS);
5009 kprintf(" stripe_sectors %d\n",
5010 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT));
5011 kprintf("disk_sectors %ju\n", meta->disk_sectors);
5012 kprintf("disk_id 0x%08x\n", meta->disk_id);
5013 kprintf("DISK# disk_id\n");
5014 for (i = 0; i < 8; i++) {
5015 if (meta->disks[i])
5016 kprintf(" %d 0x%08x\n", i, meta->disks[i]);
5017 }
5018 kprintf("checksum 0x%02x\n", meta->checksum);
5019 kprintf("=================================================\n");
5020 }
DragonFly BSD