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sdhci - Handle ADMA error interrupt, similar to ACMD12 error interrupt.
[dragonfly.git] / sys / dev / disk / nata / ata-raid.c
blobcfb071df643e70a52a6e99b3ab972ef3eeac1e00
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 */
28
29 #include "opt_ata.h"
30
31 #include <sys/param.h>
32 #include <sys/bio.h>
33 #include <sys/buf.h>
34 #include <sys/buf2.h>
35 #include <sys/bus.h>
36 #include <sys/conf.h>
37 #include <sys/device.h>
38 #include <sys/devicestat.h>
39 #include <sys/disk.h>
40 #include <sys/endian.h>
41 #include <sys/libkern.h>
42 #include <sys/malloc.h>
43 #include <sys/lock.h>
44 #include <sys/module.h>
45 #include <sys/nata.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", 0, 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 lockinit(&rdp->lock, "ataraidattach", 0, 0);
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
155 devstat_add_entry(&rdp->devstat, "ar", rdp->lun,
156 DEV_BSIZE, DEVSTAT_NO_ORDERED_TAGS,
157 DEVSTAT_TYPE_STORARRAY | DEVSTAT_TYPE_IF_OTHER,
158 DEVSTAT_PRIORITY_ARRAY);
159
160 cdev = disk_create(rdp->lun, &rdp->disk, &ar_ops);
161 cdev->si_drv1 = rdp;
162 cdev->si_iosize_max = 128 * DEV_BSIZE;
163 rdp->cdev = cdev;
164
165 bzero(&info, sizeof(info));
166 info.d_media_blksize = DEV_BSIZE; /* mandatory */
167 info.d_media_blocks = rdp->total_sectors;
168
169 info.d_secpertrack = rdp->sectors; /* optional */
170 info.d_nheads = rdp->heads;
171 info.d_ncylinders = rdp->total_sectors/(rdp->heads*rdp->sectors);
172 info.d_secpercyl = rdp->sectors * rdp->heads;
173
174 kprintf("ar%d: %juMB <%s %s%s> status: %s\n", rdp->lun,
175 rdp->total_sectors / ((1024L * 1024L) / DEV_BSIZE),
176 ata_raid_format(rdp), ata_raid_type(rdp),
177 buffer, ata_raid_flags(rdp));
178
179 if (testing || bootverbose)
180 kprintf("ar%d: %ju sectors [%dC/%dH/%dS] <%s> subdisks defined as:\n",
181 rdp->lun, rdp->total_sectors,
182 rdp->cylinders, rdp->heads, rdp->sectors, rdp->name);
183
184 for (disk = 0; disk < rdp->total_disks; disk++) {
185 kprintf("ar%d: disk%d ", rdp->lun, disk);
186 if (rdp->disks[disk].dev) {
187 if (rdp->disks[disk].flags & AR_DF_PRESENT) {
188 /* status of this disk in the array */
189 if (rdp->disks[disk].flags & AR_DF_ONLINE)
190 kprintf("READY ");
191 else if (rdp->disks[disk].flags & AR_DF_SPARE)
192 kprintf("SPARE ");
193 else
194 kprintf("FREE ");
195
196 /* what type of disk is this in the array */
197 switch (rdp->type) {
198 case AR_T_RAID1:
199 case AR_T_RAID01:
200 if (disk < rdp->width)
201 kprintf("(master) ");
202 else
203 kprintf("(mirror) ");
204 }
205
206 /* which physical disk is used */
207 kprintf("using %s at ata%d-%s\n",
208 device_get_nameunit(rdp->disks[disk].dev),
209 device_get_unit(device_get_parent(rdp->disks[disk].dev)),
210 (((struct ata_device *)
211 device_get_softc(rdp->disks[disk].dev))->unit ==
212 ATA_MASTER) ? "master" : "slave");
213 }
214 else if (rdp->disks[disk].flags & AR_DF_ASSIGNED)
215 kprintf("DOWN\n");
216 else
217 kprintf("INVALID no RAID config on this subdisk\n");
218 }
219 else
220 kprintf("DOWN no device found for this subdisk\n");
221 }
222
223 disk_setdiskinfo(&rdp->disk, &info);
224 }
225
226 /*
227 * ATA PseudoRAID ioctl function. Note that this does not need to be adjusted
228 * to the dev_ops way, because it's just chained from the generic ata ioctl.
229 */
230 static int
231 ata_raid_ioctl(u_long cmd, caddr_t data)
232 {
233 struct ata_ioc_raid_config *config = (struct ata_ioc_raid_config *)data;
234 int *lun = (int *)data;
235 int error = EOPNOTSUPP;
236
237 switch (cmd) {
238 case IOCATARAIDSTATUS:
239 error = ata_raid_status(config);
240 break;
241
242 case IOCATARAIDCREATE:
243 error = ata_raid_create(config);
244 break;
245
246 case IOCATARAIDDELETE:
247 error = ata_raid_delete(*lun);
248 break;
249
250 case IOCATARAIDADDSPARE:
251 error = ata_raid_addspare(config);
252 break;
253
254 case IOCATARAIDREBUILD:
255 error = ata_raid_rebuild(*lun);
256 break;
257 }
258 return error;
259 }
260
261 static int
262 ata_raid_flush(struct ar_softc *rdp, struct bio *bp)
263 {
264 struct ata_request *request;
265 device_t dev;
266 int disk;
267
268 bp->bio_driver_info = NULL;
269
270 for (disk = 0; disk < rdp->total_disks; disk++) {
271 if ((dev = rdp->disks[disk].dev) != NULL)
272 bp->bio_driver_info = (void *)((intptr_t)bp->bio_driver_info + 1);
273 }
274 for (disk = 0; disk < rdp->total_disks; disk++) {
275 if ((dev = rdp->disks[disk].dev) == NULL)
276 continue;
277 if (!(request = ata_raid_init_request(rdp, bp)))
278 return ENOMEM;
279 request->dev = dev;
280 request->u.ata.command = ATA_FLUSHCACHE;
281 request->u.ata.lba = 0;
282 request->u.ata.count = 0;
283 request->u.ata.feature = 0;
284 request->timeout = 1;
285 request->retries = 0;
286 request->flags |= ATA_R_ORDERED | ATA_R_DIRECT;
287 ata_queue_request(request);
288 }
289 return 0;
290 }
291
292 /*
293 * XXX TGEN there are a lot of offset -> block number conversions going on
294 * here, which is suboptimal.
295 */
296 static int
297 ata_raid_strategy(struct dev_strategy_args *ap)
298 {
299 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1;
300 struct bio *bp = ap->a_bio;
301 struct buf *bbp = bp->bio_buf;
302 struct ata_request *request;
303 caddr_t data;
304 u_int64_t blkno, lba, blk = 0;
305 int count, chunk, drv, par = 0, change = 0;
306
307 if (bbp->b_cmd == BUF_CMD_FLUSH) {
308 int error;
309
310 error = ata_raid_flush(rdp, bp);
311 if (error != 0) {
312 bbp->b_flags |= B_ERROR;
313 bbp->b_error = error;
314 biodone(bp);
315 }
316 return(0);
317 }
318
319 if (!(rdp->status & AR_S_READY) ||
320 (bbp->b_cmd != BUF_CMD_READ && bbp->b_cmd != BUF_CMD_WRITE)) {
321 bbp->b_flags |= B_ERROR;
322 bbp->b_error = EIO;
323 biodone(bp);
324 return(0);
325 }
326
327 bbp->b_resid = bbp->b_bcount;
328 for (count = howmany(bbp->b_bcount, DEV_BSIZE),
329 /* bio_offset is byte granularity, convert */
330 blkno = (u_int64_t)(bp->bio_offset >> DEV_BSHIFT),
331 data = bbp->b_data;
332 count > 0;
333 count -= chunk, blkno += chunk, data += (chunk * DEV_BSIZE)) {
334
335 switch (rdp->type) {
336 case AR_T_RAID1:
337 drv = 0;
338 lba = blkno;
339 chunk = count;
340 break;
341
342 case AR_T_JBOD:
343 case AR_T_SPAN:
344 drv = 0;
345 lba = blkno;
346 while (lba >= rdp->disks[drv].sectors)
347 lba -= rdp->disks[drv++].sectors;
348 chunk = min(rdp->disks[drv].sectors - lba, count);
349 break;
350
351 case AR_T_RAID0:
352 case AR_T_RAID01:
353 chunk = blkno % rdp->interleave;
354 drv = (blkno / rdp->interleave) % rdp->width;
355 lba = (((blkno/rdp->interleave)/rdp->width)*rdp->interleave)+chunk;
356 chunk = min(count, rdp->interleave - chunk);
357 break;
358
359 case AR_T_RAID5:
360 drv = (blkno / rdp->interleave) % (rdp->width - 1);
361 par = rdp->width - 1 -
362 (blkno / (rdp->interleave * (rdp->width - 1))) % rdp->width;
363 if (drv >= par)
364 drv++;
365 lba = ((blkno/rdp->interleave)/(rdp->width-1))*(rdp->interleave) +
366 ((blkno%(rdp->interleave*(rdp->width-1)))%rdp->interleave);
367 chunk = min(count, rdp->interleave - (lba % rdp->interleave));
368 break;
369
370 default:
371 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun);
372 bbp->b_flags |= B_ERROR;
373 bbp->b_error = EIO;
374 biodone(bp);
375 return(0);
376 }
377
378 /* offset on all but "first on HPTv2" */
379 if (!(drv == 0 && rdp->format == AR_F_HPTV2_RAID))
380 lba += rdp->offset_sectors;
381
382 if (!(request = ata_raid_init_request(rdp, bp))) {
383 bbp->b_flags |= B_ERROR;
384 bbp->b_error = EIO;
385 biodone(bp);
386 return(0);
387 }
388 request->data = data;
389 request->bytecount = chunk * DEV_BSIZE;
390 request->u.ata.lba = lba;
391 request->u.ata.count = request->bytecount / DEV_BSIZE;
392
393 devstat_start_transaction(&rdp->devstat);
394 switch (rdp->type) {
395 case AR_T_JBOD:
396 case AR_T_SPAN:
397 case AR_T_RAID0:
398 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) ==
399 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) {
400 rdp->disks[drv].flags &= ~AR_DF_ONLINE;
401 ata_raid_config_changed(rdp, 1);
402 ata_free_request(request);
403 bbp->b_flags |= B_ERROR;
404 bbp->b_error = EIO;
405 biodone(bp);
406 return(0);
407 }
408 request->this = drv;
409 request->dev = rdp->disks[request->this].dev;
410 ata_raid_send_request(request);
411 break;
412
413 case AR_T_RAID1:
414 case AR_T_RAID01:
415 if ((rdp->disks[drv].flags &
416 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) &&
417 !rdp->disks[drv].dev) {
418 rdp->disks[drv].flags &= ~AR_DF_ONLINE;
419 change = 1;
420 }
421 if ((rdp->disks[drv + rdp->width].flags &
422 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) &&
423 !rdp->disks[drv + rdp->width].dev) {
424 rdp->disks[drv + rdp->width].flags &= ~AR_DF_ONLINE;
425 change = 1;
426 }
427 if (change)
428 ata_raid_config_changed(rdp, 1);
429 if (!(rdp->status & AR_S_READY)) {
430 ata_free_request(request);
431 bbp->b_flags |= B_ERROR;
432 bbp->b_error = EIO;
433 biodone(bp);
434 return(0);
435 }
436
437 if (rdp->status & AR_S_REBUILDING)
438 blk = ((lba / rdp->interleave) * rdp->width) * rdp->interleave +
439 (rdp->interleave * (drv % rdp->width)) +
440 lba % rdp->interleave;
441
442 if (bbp->b_cmd == BUF_CMD_READ) {
443 int src_online =
444 (rdp->disks[drv].flags & AR_DF_ONLINE);
445 int mir_online =
446 (rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE);
447
448 /* if mirror gone or close to last access on source */
449 if (!mir_online ||
450 ((src_online) &&
451 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >=
452 (rdp->disks[drv].last_lba - AR_PROXIMITY) &&
453 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <=
454 (rdp->disks[drv].last_lba + AR_PROXIMITY))) {
455 rdp->toggle = 0;
456 }
457 /* if source gone or close to last access on mirror */
458 else if (!src_online ||
459 ((mir_online) &&
460 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >=
461 (rdp->disks[drv+rdp->width].last_lba-AR_PROXIMITY) &&
462 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <=
463 (rdp->disks[drv+rdp->width].last_lba+AR_PROXIMITY))) {
464 drv += rdp->width;
465 rdp->toggle = 1;
466 }
467 /* not close to any previous access, toggle */
468 else {
469 if (rdp->toggle)
470 rdp->toggle = 0;
471 else {
472 drv += rdp->width;
473 rdp->toggle = 1;
474 }
475 }
476
477 if ((rdp->status & AR_S_REBUILDING) &&
478 (blk <= rdp->rebuild_lba) &&
479 ((blk + chunk) > rdp->rebuild_lba)) {
480 struct ata_composite *composite;
481 struct ata_request *rebuild;
482 int this;
483
484 /* figure out what part to rebuild */
485 if (drv < rdp->width)
486 this = drv + rdp->width;
487 else
488 this = drv - rdp->width;
489
490 /* do we have a spare to rebuild on ? */
491 if (rdp->disks[this].flags & AR_DF_SPARE) {
492 if ((composite = ata_alloc_composite())) {
493 if ((rebuild = ata_alloc_request())) {
494 rdp->rebuild_lba = blk + chunk;
495 bcopy(request, rebuild,
496 sizeof(struct ata_request));
497 rebuild->this = this;
498 rebuild->dev = rdp->disks[this].dev;
499 rebuild->flags &= ~ATA_R_READ;
500 rebuild->flags |= ATA_R_WRITE;
501 lockinit(&composite->lock, "ardfspare", 0, 0);
502 composite->residual = request->bytecount;
503 composite->rd_needed |= (1 << drv);
504 composite->wr_depend |= (1 << drv);
505 composite->wr_needed |= (1 << this);
506 composite->request[drv] = request;
507 composite->request[this] = rebuild;
508 request->composite = composite;
509 rebuild->composite = composite;
510 ata_raid_send_request(rebuild);
511 }
512 else {
513 ata_free_composite(composite);
514 kprintf("DOH! ata_alloc_request failed!\n");
515 }
516 }
517 else {
518 kprintf("DOH! ata_alloc_composite failed!\n");
519 }
520 }
521 else if (rdp->disks[this].flags & AR_DF_ONLINE) {
522 /*
523 * if we got here we are a chunk of a RAID01 that
524 * does not need a rebuild, but we need to increment
525 * the rebuild_lba address to get the rebuild to
526 * move to the next chunk correctly
527 */
528 rdp->rebuild_lba = blk + chunk;
529 }
530 else
531 kprintf("DOH! we didn't find the rebuild part\n");
532 }
533 }
534 if (bbp->b_cmd == BUF_CMD_WRITE) {
535 if ((rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE) ||
536 ((rdp->status & AR_S_REBUILDING) &&
537 (rdp->disks[drv+rdp->width].flags & AR_DF_SPARE) &&
538 ((blk < rdp->rebuild_lba) ||
539 ((blk <= rdp->rebuild_lba) &&
540 ((blk + chunk) > rdp->rebuild_lba))))) {
541 if ((rdp->disks[drv].flags & AR_DF_ONLINE) ||
542 ((rdp->status & AR_S_REBUILDING) &&
543 (rdp->disks[drv].flags & AR_DF_SPARE) &&
544 ((blk < rdp->rebuild_lba) ||
545 ((blk <= rdp->rebuild_lba) &&
546 ((blk + chunk) > rdp->rebuild_lba))))) {
547 struct ata_request *mirror;
548 struct ata_composite *composite;
549 int this = drv + rdp->width;
550
551 if ((composite = ata_alloc_composite())) {
552 if ((mirror = ata_alloc_request())) {
553 if ((blk <= rdp->rebuild_lba) &&
554 ((blk + chunk) > rdp->rebuild_lba))
555 rdp->rebuild_lba = blk + chunk;
556 bcopy(request, mirror,
557 sizeof(struct ata_request));
558 mirror->this = this;
559 mirror->dev = rdp->disks[this].dev;
560 lockinit(&composite->lock, "ardfonline", 0, 0);
561 composite->residual = request->bytecount;
562 composite->wr_needed |= (1 << drv);
563 composite->wr_needed |= (1 << this);
564 composite->request[drv] = request;
565 composite->request[this] = mirror;
566 request->composite = composite;
567 mirror->composite = composite;
568 ata_raid_send_request(mirror);
569 rdp->disks[this].last_lba =
570 (u_int64_t)(bp->bio_offset >> DEV_BSHIFT) +
571 chunk;
572 }
573 else {
574 ata_free_composite(composite);
575 kprintf("DOH! ata_alloc_request failed!\n");
576 }
577 }
578 else {
579 kprintf("DOH! ata_alloc_composite failed!\n");
580 }
581 }
582 else
583 drv += rdp->width;
584 }
585 }
586 request->this = drv;
587 request->dev = rdp->disks[request->this].dev;
588 ata_raid_send_request(request);
589 rdp->disks[request->this].last_lba =
590 ((u_int64_t)(bp->bio_offset) >> DEV_BSHIFT) + chunk;
591 break;
592
593 case AR_T_RAID5:
594 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) ==
595 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) {
596 rdp->disks[drv].flags &= ~AR_DF_ONLINE;
597 change = 1;
598 }
599 if (((rdp->disks[par].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) ==
600 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[par].dev)) {
601 rdp->disks[par].flags &= ~AR_DF_ONLINE;
602 change = 1;
603 }
604 if (change)
605 ata_raid_config_changed(rdp, 1);
606 if (!(rdp->status & AR_S_READY)) {
607 ata_free_request(request);
608 bbp->b_flags |= B_ERROR;
609 bbp->b_error = EIO;
610 biodone(bp);
611 return(0);
612 }
613 if (rdp->status & AR_S_DEGRADED) {
614 /* do the XOR game if possible */
615 }
616 else {
617 request->this = drv;
618 request->dev = rdp->disks[request->this].dev;
619 if (bbp->b_cmd == BUF_CMD_READ) {
620 ata_raid_send_request(request);
621 }
622 if (bbp->b_cmd == BUF_CMD_WRITE) {
623 ata_raid_send_request(request);
624 /* XXX TGEN no, I don't speak Danish either */
625 /*
626 * sikre at læs-modify-skriv til hver disk er atomarisk.
627 * par kopi af request
628 * læse orgdata fra drv
629 * skriv nydata til drv
630 * læse parorgdata fra par
631 * skriv orgdata xor parorgdata xor nydata til par
632 */
633 }
634 }
635 break;
636
637 default:
638 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun);
639 }
640 }
641
642 return(0);
643 }
644
645 static void
646 ata_raid_done(struct ata_request *request)
647 {
648 struct ar_softc *rdp = request->driver;
649 struct ata_composite *composite = NULL;
650 struct bio *bp = request->bio;
651 struct buf *bbp = bp->bio_buf;
652 int i, mirror, finished = 0;
653
654 if (bbp->b_cmd == BUF_CMD_FLUSH) {
655 if (bbp->b_error == 0)
656 bbp->b_error = request->result;
657 ata_free_request(request);
658 bp->bio_driver_info = (void *)((intptr_t)bp->bio_driver_info - 1);
659 if ((intptr_t)bp->bio_driver_info == 0) {
660 if (bbp->b_error)
661 bbp->b_flags |= B_ERROR;
662 biodone(bp);
663 }
664 return;
665 }
666
667 switch (rdp->type) {
668 case AR_T_JBOD:
669 case AR_T_SPAN:
670 case AR_T_RAID0:
671 if (request->result) {
672 rdp->disks[request->this].flags &= ~AR_DF_ONLINE;
673 ata_raid_config_changed(rdp, 1);
674 bbp->b_error = request->result;
675 finished = 1;
676 }
677 else {
678 bbp->b_resid -= request->donecount;
679 if (!bbp->b_resid)
680 finished = 1;
681 }
682 break;
683
684 case AR_T_RAID1:
685 case AR_T_RAID01:
686 if (request->this < rdp->width)
687 mirror = request->this + rdp->width;
688 else
689 mirror = request->this - rdp->width;
690 if (request->result) {
691 rdp->disks[request->this].flags &= ~AR_DF_ONLINE;
692 ata_raid_config_changed(rdp, 1);
693 }
694 if (rdp->status & AR_S_READY) {
695 u_int64_t blk = 0;
696
697 if (rdp->status & AR_S_REBUILDING)
698 blk = ((request->u.ata.lba / rdp->interleave) * rdp->width) *
699 rdp->interleave + (rdp->interleave *
700 (request->this % rdp->width)) +
701 request->u.ata.lba % rdp->interleave;
702
703 if (bbp->b_cmd == BUF_CMD_READ) {
704
705 /* is this a rebuild composite */
706 if ((composite = request->composite)) {
707 lockmgr(&composite->lock, LK_EXCLUSIVE);
708
709 /* handle the read part of a rebuild composite */
710 if (request->flags & ATA_R_READ) {
711
712 /* if read failed array is now broken */
713 if (request->result) {
714 rdp->disks[request->this].flags &= ~AR_DF_ONLINE;
715 ata_raid_config_changed(rdp, 1);
716 bbp->b_error = request->result;
717 rdp->rebuild_lba = blk;
718 finished = 1;
719 }
720
721 /* good data, update how far we've gotten */
722 else {
723 bbp->b_resid -= request->donecount;
724 composite->residual -= request->donecount;
725 if (!composite->residual) {
726 if (composite->wr_done & (1 << mirror))
727 finished = 1;
728 }
729 }
730 }
731
732 /* handle the write part of a rebuild composite */
733 else if (request->flags & ATA_R_WRITE) {
734 if (composite->rd_done & (1 << mirror)) {
735 if (request->result) {
736 kprintf("DOH! rebuild failed\n"); /* XXX SOS */
737 rdp->rebuild_lba = blk;
738 }
739 if (!composite->residual)
740 finished = 1;
741 }
742 }
743 lockmgr(&composite->lock, LK_RELEASE);
744 }
745
746 /* if read failed retry on the mirror */
747 else if (request->result) {
748 request->dev = rdp->disks[mirror].dev;
749 request->flags &= ~ATA_R_TIMEOUT;
750 ata_raid_send_request(request);
751 return;
752 }
753
754 /* we have good data */
755 else {
756 bbp->b_resid -= request->donecount;
757 if (!bbp->b_resid)
758 finished = 1;
759 }
760 }
761 else if (bbp->b_cmd == BUF_CMD_WRITE) {
762 /* do we have a mirror or rebuild to deal with ? */
763 if ((composite = request->composite)) {
764 lockmgr(&composite->lock, LK_EXCLUSIVE);
765 if (composite->wr_done & (1 << mirror)) {
766 if (request->result) {
767 if (composite->request[mirror]->result) {
768 kprintf("DOH! all disks failed and got here\n");
769 bbp->b_error = EIO;
770 }
771 if (rdp->status & AR_S_REBUILDING) {
772 rdp->rebuild_lba = blk;
773 kprintf("DOH! rebuild failed\n"); /* XXX SOS */
774 }
775 bbp->b_resid -=
776 composite->request[mirror]->donecount;
777 composite->residual -=
778 composite->request[mirror]->donecount;
779 }
780 else {
781 bbp->b_resid -= request->donecount;
782 composite->residual -= request->donecount;
783 }
784 if (!composite->residual)
785 finished = 1;
786 }
787 lockmgr(&composite->lock, LK_RELEASE);
788 }
789 /* no mirror we are done */
790 else {
791 bbp->b_resid -= request->donecount;
792 if (!bbp->b_resid)
793 finished = 1;
794 }
795 }
796 }
797 else {
798 /* XXX TGEN bbp->b_flags |= B_ERROR; */
799 bbp->b_error = request->result;
800 biodone(bp);
801 }
802 break;
803
804 case AR_T_RAID5:
805 if (request->result) {
806 rdp->disks[request->this].flags &= ~AR_DF_ONLINE;
807 ata_raid_config_changed(rdp, 1);
808 if (rdp->status & AR_S_READY) {
809 if (bbp->b_cmd == BUF_CMD_READ) {
810 /* do the XOR game to recover data */
811 }
812 if (bbp->b_cmd == BUF_CMD_WRITE) {
813 /* if the parity failed we're OK sortof */
814 /* otherwise wee need to do the XOR long dance */
815 }
816 finished = 1;
817 }
818 else {
819 /* XXX TGEN bbp->b_flags |= B_ERROR; */
820 bbp->b_error = request->result;
821 biodone(bp);
822 }
823 }
824 else {
825 /* did we have an XOR game going ?? */
826 bbp->b_resid -= request->donecount;
827 if (!bbp->b_resid)
828 finished = 1;
829 }
830 break;
831
832 default:
833 kprintf("ar%d: unknown array type in ata_raid_done\n", rdp->lun);
834 }
835
836 if (finished) {
837 if ((rdp->status & AR_S_REBUILDING) &&
838 rdp->rebuild_lba >= rdp->total_sectors) {
839 int disk;
840
841 for (disk = 0; disk < rdp->total_disks; disk++) {
842 if ((rdp->disks[disk].flags &
843 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) ==
844 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) {
845 rdp->disks[disk].flags &= ~AR_DF_SPARE;
846 rdp->disks[disk].flags |= AR_DF_ONLINE;
847 }
848 }
849 rdp->status &= ~AR_S_REBUILDING;
850 ata_raid_config_changed(rdp, 1);
851 }
852 devstat_end_transaction_buf(&rdp->devstat, bbp);
853 if (!bbp->b_resid)
854 biodone(bp);
855 }
856
857 if (composite) {
858 if (finished) {
859 /* we are done with this composite, free all resources */
860 for (i = 0; i < 32; i++) {
861 if (composite->rd_needed & (1 << i) ||
862 composite->wr_needed & (1 << i)) {
863 ata_free_request(composite->request[i]);
864 }
865 }
866 lockuninit(&composite->lock);
867 ata_free_composite(composite);
868 }
869 }
870 else
871 ata_free_request(request);
872 }
873
874 static int
875 ata_raid_dump(struct dev_dump_args *ap)
876 {
877 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1;
878 struct buf dbuf;
879 int error = 0;
880 int disk;
881
882 if (ap->a_length == 0) {
883 /* flush subdisk buffers to media */
884 for (disk = 0, error = 0; disk < rdp->total_disks; disk++) {
885 if (rdp->disks[disk].dev) {
886 error |= ata_controlcmd(rdp->disks[disk].dev,
887 ATA_FLUSHCACHE, 0, 0, 0);
888 }
889 }
890 return (error ? EIO : 0);
891 }
892
893 bzero(&dbuf, sizeof(struct buf));
894 initbufbio(&dbuf);
895 BUF_LOCK(&dbuf, LK_EXCLUSIVE);
896 /* bio_offset is byte granularity, convert block granularity a_blkno */
897 dbuf.b_bio1.bio_offset = ap->a_offset;
898 dbuf.b_bio1.bio_caller_info1.ptr = (void *)rdp;
899 dbuf.b_bio1.bio_flags |= BIO_SYNC;
900 dbuf.b_bio1.bio_done = biodone_sync;
901 dbuf.b_bcount = ap->a_length;
902 dbuf.b_data = ap->a_virtual;
903 dbuf.b_cmd = BUF_CMD_WRITE;
904 dev_dstrategy(rdp->cdev, &dbuf.b_bio1);
905 /* wait for completion, unlock the buffer, check status */
906 if (biowait(&dbuf.b_bio1, "dumpw")) {
907 BUF_UNLOCK(&dbuf);
908 return(dbuf.b_error ? dbuf.b_error : EIO);
909 }
910 BUF_UNLOCK(&dbuf);
911 uninitbufbio(&dbuf);
912
913 return 0;
914 }
915
916 static void
917 ata_raid_config_changed(struct ar_softc *rdp, int writeback)
918 {
919 int disk, count, status;
920
921 lockmgr(&rdp->lock, LK_EXCLUSIVE);
922 /* set default all working mode */
923 status = rdp->status;
924 rdp->status &= ~AR_S_DEGRADED;
925 rdp->status |= AR_S_READY;
926
927 /* make sure all lost drives are accounted for */
928 for (disk = 0; disk < rdp->total_disks; disk++) {
929 if (!(rdp->disks[disk].flags & AR_DF_PRESENT))
930 rdp->disks[disk].flags &= ~AR_DF_ONLINE;
931 }
932
933 /* depending on RAID type figure out our health status */
934 switch (rdp->type) {
935 case AR_T_JBOD:
936 case AR_T_SPAN:
937 case AR_T_RAID0:
938 for (disk = 0; disk < rdp->total_disks; disk++)
939 if (!(rdp->disks[disk].flags & AR_DF_ONLINE))
940 rdp->status &= ~AR_S_READY;
941 break;
942
943 case AR_T_RAID1:
944 case AR_T_RAID01:
945 for (disk = 0; disk < rdp->width; disk++) {
946 if (!(rdp->disks[disk].flags & AR_DF_ONLINE) &&
947 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) {
948 rdp->status &= ~AR_S_READY;
949 }
950 else if (((rdp->disks[disk].flags & AR_DF_ONLINE) &&
951 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) ||
952 (!(rdp->disks[disk].flags & AR_DF_ONLINE) &&
953 (rdp->disks [disk + rdp->width].flags & AR_DF_ONLINE))) {
954 rdp->status |= AR_S_DEGRADED;
955 }
956 }
957 break;
958
959 case AR_T_RAID5:
960 for (count = 0, disk = 0; disk < rdp->total_disks; disk++) {
961 if (!(rdp->disks[disk].flags & AR_DF_ONLINE))
962 count++;
963 }
964 if (count) {
965 if (count > 1)
966 rdp->status &= ~AR_S_READY;
967 else
968 rdp->status |= AR_S_DEGRADED;
969 }
970 break;
971 default:
972 rdp->status &= ~AR_S_READY;
973 }
974
975 /*
976 * Note that when the array breaks so comes up broken we
977 * force a write of the array config to the remaining
978 * drives so that the generation will be incremented past
979 * those of the missing or failed drives (in all cases).
980 */
981 if (rdp->status != status) {
982 if (!(rdp->status & AR_S_READY)) {
983 kprintf("ar%d: FAILURE - %s array broken\n",
984 rdp->lun, ata_raid_type(rdp));
985 writeback = 1;
986 }
987 else if (rdp->status & AR_S_DEGRADED) {
988 if (rdp->type & (AR_T_RAID1 | AR_T_RAID01))
989 kprintf("ar%d: WARNING - mirror", rdp->lun);
990 else
991 kprintf("ar%d: WARNING - parity", rdp->lun);
992 kprintf(" protection lost. %s array in DEGRADED mode\n",
993 ata_raid_type(rdp));
994 writeback = 1;
995 }
996 }
997 lockmgr(&rdp->lock, LK_RELEASE);
998 if (writeback)
999 ata_raid_write_metadata(rdp);
1000
1001 }
1002
1003 static int
1004 ata_raid_status(struct ata_ioc_raid_config *config)
1005 {
1006 struct ar_softc *rdp;
1007 int i;
1008
1009 if (!(rdp = ata_raid_arrays[config->lun]))
1010 return ENXIO;
1011
1012 config->type = rdp->type;
1013 config->total_disks = rdp->total_disks;
1014 for (i = 0; i < rdp->total_disks; i++ ) {
1015 if ((rdp->disks[i].flags & AR_DF_PRESENT) && rdp->disks[i].dev)
1016 config->disks[i] = device_get_unit(rdp->disks[i].dev);
1017 else
1018 config->disks[i] = -1;
1019 }
1020 config->interleave = rdp->interleave;
1021 config->status = rdp->status;
1022 config->progress = 100 * rdp->rebuild_lba / rdp->total_sectors;
1023 return 0;
1024 }
1025
1026 static int
1027 ata_raid_create(struct ata_ioc_raid_config *config)
1028 {
1029 struct ar_softc *rdp;
1030 device_t subdisk;
1031 int array, disk;
1032 int ctlr = 0, total_disks = 0;
1033 u_int disk_size = 0;
1034 device_t gpdev;
1035
1036 for (array = 0; array < MAX_ARRAYS; array++) {
1037 if (!ata_raid_arrays[array])
1038 break;
1039 }
1040 if (array >= MAX_ARRAYS)
1041 return ENOSPC;
1042
1043 rdp = (struct ar_softc*)kmalloc(sizeof(struct ar_softc), M_AR,
1044 M_WAITOK | M_ZERO);
1045
1046 for (disk = 0; disk < config->total_disks; disk++) {
1047 if ((subdisk = devclass_get_device(ata_raid_sub_devclass,
1048 config->disks[disk]))) {
1049 struct ata_raid_subdisk *ars = device_get_softc(subdisk);
1050
1051 /* is device already assigned to another array ? */
1052 if (ars->raid[rdp->volume]) {
1053 config->disks[disk] = -1;
1054 kfree(rdp, M_AR);
1055 return EBUSY;
1056 }
1057 rdp->disks[disk].dev = device_get_parent(subdisk);
1058
1059 gpdev = GRANDPARENT(rdp->disks[disk].dev);
1060
1061 switch (pci_get_vendor(gpdev)) {
1062 case ATA_HIGHPOINT_ID:
1063 /*
1064 * we need some way to decide if it should be v2 or v3
1065 * for now just use v2 since the v3 BIOS knows how to
1066 * handle that as well.
1067 */
1068 ctlr = AR_F_HPTV2_RAID;
1069 rdp->disks[disk].sectors = HPTV3_LBA(rdp->disks[disk].dev);
1070 break;
1071
1072 case ATA_INTEL_ID:
1073 ctlr = AR_F_INTEL_RAID;
1074 rdp->disks[disk].sectors = INTEL_LBA(rdp->disks[disk].dev);
1075 break;
1076
1077 case ATA_ITE_ID:
1078 ctlr = AR_F_ITE_RAID;
1079 rdp->disks[disk].sectors = ITE_LBA(rdp->disks[disk].dev);
1080 break;
1081
1082 case ATA_JMICRON_ID:
1083 ctlr = AR_F_JMICRON_RAID;
1084 rdp->disks[disk].sectors = JMICRON_LBA(rdp->disks[disk].dev);
1085 break;
1086
1087 case 0: /* XXX SOS cover up for bug in our PCI code */
1088 case ATA_PROMISE_ID:
1089 ctlr = AR_F_PROMISE_RAID;
1090 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev);
1091 break;
1092
1093 case ATA_SIS_ID:
1094 ctlr = AR_F_SIS_RAID;
1095 rdp->disks[disk].sectors = SIS_LBA(rdp->disks[disk].dev);
1096 break;
1097
1098 case ATA_ATI_ID:
1099 case ATA_VIA_ID:
1100 ctlr = AR_F_VIA_RAID;
1101 rdp->disks[disk].sectors = VIA_LBA(rdp->disks[disk].dev);
1102 break;
1103
1104 default:
1105 /* XXX SOS
1106 * right, so here we are, we have an ATA chip and we want
1107 * to create a RAID and store the metadata.
1108 * we need to find a way to tell what kind of metadata this
1109 * hardware's BIOS might be using (good ideas are welcomed)
1110 * for now we just use our own native FreeBSD format.
1111 * the only way to get support for the BIOS format is to
1112 * setup the RAID from there, in that case we pickup the
1113 * metadata format from the disks (if we support it).
1114 */
1115 kprintf("WARNING!! - not able to determine metadata format\n"
1116 "WARNING!! - Using FreeBSD PseudoRAID metadata\n"
1117 "If that is not what you want, use the BIOS to "
1118 "create the array\n");
1119 ctlr = AR_F_FREEBSD_RAID;
1120 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev);
1121 break;
1122 }
1123
1124 /* we need all disks to be of the same format */
1125 if ((rdp->format & AR_F_FORMAT_MASK) &&
1126 (rdp->format & AR_F_FORMAT_MASK) != (ctlr & AR_F_FORMAT_MASK)) {
1127 kfree(rdp, M_AR);
1128 return EXDEV;
1129 }
1130 else
1131 rdp->format = ctlr;
1132
1133 /* use the smallest disk of the lots size */
1134 /* gigabyte boundry ??? XXX SOS */
1135 if (disk_size)
1136 disk_size = min(rdp->disks[disk].sectors, disk_size);
1137 else
1138 disk_size = rdp->disks[disk].sectors;
1139 rdp->disks[disk].flags =
1140 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
1141
1142 total_disks++;
1143 }
1144 else {
1145 config->disks[disk] = -1;
1146 kfree(rdp, M_AR);
1147 return ENXIO;
1148 }
1149 }
1150
1151 if (total_disks != config->total_disks) {
1152 kfree(rdp, M_AR);
1153 return ENODEV;
1154 }
1155
1156 switch (config->type) {
1157 case AR_T_JBOD:
1158 case AR_T_SPAN:
1159 case AR_T_RAID0:
1160 break;
1161
1162 case AR_T_RAID1:
1163 if (total_disks != 2) {
1164 kfree(rdp, M_AR);
1165 return EPERM;
1166 }
1167 break;
1168
1169 case AR_T_RAID01:
1170 if (total_disks % 2 != 0) {
1171 kfree(rdp, M_AR);
1172 return EPERM;
1173 }
1174 break;
1175
1176 case AR_T_RAID5:
1177 if (total_disks < 3) {
1178 kfree(rdp, M_AR);
1179 return EPERM;
1180 }
1181 break;
1182
1183 default:
1184 kfree(rdp, M_AR);
1185 return EOPNOTSUPP;
1186 }
1187 rdp->type = config->type;
1188 rdp->lun = array;
1189 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 ||
1190 rdp->type == AR_T_RAID5) {
1191 int bit = 0;
1192
1193 while (config->interleave >>= 1)
1194 bit++;
1195 rdp->interleave = 1 << bit;
1196 }
1197 rdp->offset_sectors = 0;
1198
1199 /* values that depend on metadata format */
1200 switch (rdp->format) {
1201 case AR_F_ADAPTEC_RAID:
1202 rdp->interleave = min(max(32, rdp->interleave), 128); /*+*/
1203 break;
1204
1205 case AR_F_HPTV2_RAID:
1206 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/
1207 rdp->offset_sectors = HPTV2_LBA(x) + 1;
1208 break;
1209
1210 case AR_F_HPTV3_RAID:
1211 rdp->interleave = min(max(32, rdp->interleave), 4096); /*+*/
1212 break;
1213
1214 case AR_F_INTEL_RAID:
1215 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/
1216 break;
1217
1218 case AR_F_ITE_RAID:
1219 rdp->interleave = min(max(2, rdp->interleave), 128); /*+*/
1220 break;
1221
1222 case AR_F_JMICRON_RAID:
1223 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/
1224 break;
1225
1226 case AR_F_LSIV2_RAID:
1227 rdp->interleave = min(max(2, rdp->interleave), 4096);
1228 break;
1229
1230 case AR_F_LSIV3_RAID:
1231 rdp->interleave = min(max(2, rdp->interleave), 256);
1232 break;
1233
1234 case AR_F_PROMISE_RAID:
1235 rdp->interleave = min(max(2, rdp->interleave), 2048); /*+*/
1236 break;
1237
1238 case AR_F_SII_RAID:
1239 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/
1240 break;
1241
1242 case AR_F_SIS_RAID:
1243 rdp->interleave = min(max(32, rdp->interleave), 512); /*+*/
1244 break;
1245
1246 case AR_F_VIA_RAID:
1247 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/
1248 break;
1249 }
1250
1251 rdp->total_disks = total_disks;
1252 rdp->width = total_disks / (rdp->type & (AR_RAID1 | AR_T_RAID01) ? 2 : 1);
1253 rdp->total_sectors =
1254 (uint64_t)disk_size * (rdp->width - (rdp->type == AR_RAID5));
1255 rdp->heads = 255;
1256 rdp->sectors = 63;
1257 rdp->cylinders = rdp->total_sectors / (255 * 63);
1258 rdp->rebuild_lba = 0;
1259 rdp->status |= AR_S_READY;
1260
1261 /* we are committed to this array, grap the subdisks */
1262 for (disk = 0; disk < config->total_disks; disk++) {
1263 if ((subdisk = devclass_get_device(ata_raid_sub_devclass,
1264 config->disks[disk]))) {
1265 struct ata_raid_subdisk *ars = device_get_softc(subdisk);
1266
1267 ars->raid[rdp->volume] = rdp;
1268 ars->disk_number[rdp->volume] = disk;
1269 }
1270 }
1271 ata_raid_attach(rdp, 1);
1272 ata_raid_arrays[array] = rdp;
1273 config->lun = array;
1274 return 0;
1275 }
1276
1277 static int
1278 ata_raid_delete(int array)
1279 {
1280 struct ar_softc *rdp;
1281 device_t subdisk;
1282 int disk;
1283
1284 if (!(rdp = ata_raid_arrays[array]))
1285 return ENXIO;
1286
1287 rdp->status &= ~AR_S_READY;
1288 disk_destroy(&rdp->disk);
1289 devstat_remove_entry(&rdp->devstat);
1290
1291 for (disk = 0; disk < rdp->total_disks; disk++) {
1292 if ((rdp->disks[disk].flags & AR_DF_PRESENT) && rdp->disks[disk].dev) {
1293 if ((subdisk = devclass_get_device(ata_raid_sub_devclass,
1294 device_get_unit(rdp->disks[disk].dev)))) {
1295 struct ata_raid_subdisk *ars = device_get_softc(subdisk);
1296
1297 if (ars->raid[rdp->volume] != rdp) /* XXX SOS */
1298 device_printf(subdisk, "DOH! this disk doesn't belong\n");
1299 if (ars->disk_number[rdp->volume] != disk) /* XXX SOS */
1300 device_printf(subdisk, "DOH! this disk number is wrong\n");
1301 ars->raid[rdp->volume] = NULL;
1302 ars->disk_number[rdp->volume] = -1;
1303 }
1304 rdp->disks[disk].flags = 0;
1305 }
1306 }
1307 ata_raid_wipe_metadata(rdp);
1308 ata_raid_arrays[array] = NULL;
1309 kfree(rdp, M_AR);
1310 return 0;
1311 }
1312
1313 static int
1314 ata_raid_addspare(struct ata_ioc_raid_config *config)
1315 {
1316 struct ar_softc *rdp;
1317 device_t subdisk;
1318 int disk;
1319
1320 if (!(rdp = ata_raid_arrays[config->lun]))
1321 return ENXIO;
1322 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY))
1323 return ENXIO;
1324 if (rdp->status & AR_S_REBUILDING)
1325 return EBUSY;
1326 switch (rdp->type) {
1327 case AR_T_RAID1:
1328 case AR_T_RAID01:
1329 case AR_T_RAID5:
1330 for (disk = 0; disk < rdp->total_disks; disk++ ) {
1331
1332 if (((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) ==
1333 (AR_DF_PRESENT | AR_DF_ONLINE)) && rdp->disks[disk].dev)
1334 continue;
1335
1336 if ((subdisk = devclass_get_device(ata_raid_sub_devclass,
1337 config->disks[0] ))) {
1338 struct ata_raid_subdisk *ars = device_get_softc(subdisk);
1339
1340 if (ars->raid[rdp->volume])
1341 return EBUSY;
1342
1343 /* XXX SOS validate size etc etc */
1344 ars->raid[rdp->volume] = rdp;
1345 ars->disk_number[rdp->volume] = disk;
1346 rdp->disks[disk].dev = device_get_parent(subdisk);
1347 rdp->disks[disk].flags =
1348 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE);
1349
1350 device_printf(rdp->disks[disk].dev,
1351 "inserted into ar%d disk%d as spare\n",
1352 rdp->lun, disk);
1353 ata_raid_config_changed(rdp, 1);
1354 return 0;
1355 }
1356 }
1357 return ENXIO;
1358
1359 default:
1360 return EPERM;
1361 }
1362 }
1363
1364 static int
1365 ata_raid_rebuild(int array)
1366 {
1367 struct ar_softc *rdp;
1368 int disk, count;
1369
1370 if (!(rdp = ata_raid_arrays[array]))
1371 return ENXIO;
1372 /* XXX SOS we should lock the rdp softc here */
1373 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY))
1374 return ENXIO;
1375 if (rdp->status & AR_S_REBUILDING)
1376 return EBUSY;
1377
1378 switch (rdp->type) {
1379 case AR_T_RAID1:
1380 case AR_T_RAID01:
1381 case AR_T_RAID5:
1382 for (count = 0, disk = 0; disk < rdp->total_disks; disk++ ) {
1383 if (((rdp->disks[disk].flags &
1384 (AR_DF_PRESENT|AR_DF_ASSIGNED|AR_DF_ONLINE|AR_DF_SPARE)) ==
1385 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) &&
1386 rdp->disks[disk].dev) {
1387 count++;
1388 }
1389 }
1390
1391 if (count) {
1392 rdp->rebuild_lba = 0;
1393 rdp->status |= AR_S_REBUILDING;
1394 return 0;
1395 }
1396 return EIO;
1397
1398 default:
1399 return EPERM;
1400 }
1401 }
1402
1403 static int
1404 ata_raid_read_metadata(device_t subdisk)
1405 {
1406 devclass_t pci_devclass = devclass_find("pci");
1407 devclass_t devclass=device_get_devclass(GRANDPARENT(GRANDPARENT(subdisk)));
1408 device_t gpdev;
1409 uint16_t vendor;
1410
1411 /* prioritize vendor native metadata layout if possible */
1412 if (devclass == pci_devclass) {
1413 gpdev = device_get_parent(subdisk);
1414 gpdev = GRANDPARENT(gpdev);
1415 vendor = pci_get_vendor(gpdev);
1416
1417 switch (vendor) {
1418 case ATA_HIGHPOINT_ID:
1419 if (ata_raid_hptv3_read_meta(subdisk, ata_raid_arrays))
1420 return 0;
1421 if (ata_raid_hptv2_read_meta(subdisk, ata_raid_arrays))
1422 return 0;
1423 break;
1424
1425 case ATA_INTEL_ID:
1426 if (ata_raid_intel_read_meta(subdisk, ata_raid_arrays))
1427 return 0;
1428 break;
1429
1430 case ATA_ITE_ID:
1431 if (ata_raid_ite_read_meta(subdisk, ata_raid_arrays))
1432 return 0;
1433 break;
1434
1435 case ATA_JMICRON_ID:
1436 if (ata_raid_jmicron_read_meta(subdisk, ata_raid_arrays))
1437 return 0;
1438 break;
1439
1440 case ATA_NVIDIA_ID:
1441 if (ata_raid_nvidia_read_meta(subdisk, ata_raid_arrays))
1442 return 0;
1443 break;
1444
1445 case 0: /* XXX SOS cover up for bug in our PCI code */
1446 case ATA_PROMISE_ID:
1447 if (ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 0))
1448 return 0;
1449 break;
1450
1451 case ATA_ATI_ID:
1452 case ATA_SILICON_IMAGE_ID:
1453 if (ata_raid_sii_read_meta(subdisk, ata_raid_arrays))
1454 return 0;
1455 break;
1456
1457 case ATA_SIS_ID:
1458 if (ata_raid_sis_read_meta(subdisk, ata_raid_arrays))
1459 return 0;
1460 break;
1461
1462 case ATA_VIA_ID:
1463 if (ata_raid_via_read_meta(subdisk, ata_raid_arrays))
1464 return 0;
1465 break;
1466 }
1467 }
1468
1469 /* handle controllers that have multiple layout possibilities */
1470 /* NOTE: the order of these are not insignificant */
1471
1472 /* Adaptec HostRAID */
1473 if (ata_raid_adaptec_read_meta(subdisk, ata_raid_arrays))
1474 return 0;
1475
1476 /* LSILogic v3 and v2 */
1477 if (ata_raid_lsiv3_read_meta(subdisk, ata_raid_arrays))
1478 return 0;
1479 if (ata_raid_lsiv2_read_meta(subdisk, ata_raid_arrays))
1480 return 0;
1481
1482 /* if none of the above matched, try FreeBSD native format */
1483 return ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 1);
1484 }
1485
1486 static int
1487 ata_raid_write_metadata(struct ar_softc *rdp)
1488 {
1489 switch (rdp->format) {
1490 case AR_F_FREEBSD_RAID:
1491 case AR_F_PROMISE_RAID:
1492 return ata_raid_promise_write_meta(rdp);
1493
1494 case AR_F_HPTV3_RAID:
1495 case AR_F_HPTV2_RAID:
1496 /*
1497 * always write HPT v2 metadata, the v3 BIOS knows it as well.
1498 * this is handy since we cannot know what version BIOS is on there
1499 */
1500 return ata_raid_hptv2_write_meta(rdp);
1501
1502 case AR_F_INTEL_RAID:
1503 return ata_raid_intel_write_meta(rdp);
1504
1505 case AR_F_JMICRON_RAID:
1506 return ata_raid_jmicron_write_meta(rdp);
1507
1508 case AR_F_SIS_RAID:
1509 return ata_raid_sis_write_meta(rdp);
1510
1511 case AR_F_VIA_RAID:
1512 return ata_raid_via_write_meta(rdp);
1513 #if 0
1514 case AR_F_HPTV3_RAID:
1515 return ata_raid_hptv3_write_meta(rdp);
1516
1517 case AR_F_ADAPTEC_RAID:
1518 return ata_raid_adaptec_write_meta(rdp);
1519
1520 case AR_F_ITE_RAID:
1521 return ata_raid_ite_write_meta(rdp);
1522
1523 case AR_F_LSIV2_RAID:
1524 return ata_raid_lsiv2_write_meta(rdp);
1525
1526 case AR_F_LSIV3_RAID:
1527 return ata_raid_lsiv3_write_meta(rdp);
1528
1529 case AR_F_NVIDIA_RAID:
1530 return ata_raid_nvidia_write_meta(rdp);
1531
1532 case AR_F_SII_RAID:
1533 return ata_raid_sii_write_meta(rdp);
1534
1535 #endif
1536 default:
1537 kprintf("ar%d: writing of %s metadata is NOT supported yet\n",
1538 rdp->lun, ata_raid_format(rdp));
1539 }
1540 return -1;
1541 }
1542
1543 static int
1544 ata_raid_wipe_metadata(struct ar_softc *rdp)
1545 {
1546 int disk, error = 0;
1547 u_int64_t lba;
1548 u_int32_t size;
1549 u_int8_t *meta;
1550
1551 for (disk = 0; disk < rdp->total_disks; disk++) {
1552 if (rdp->disks[disk].dev) {
1553 switch (rdp->format) {
1554 case AR_F_ADAPTEC_RAID:
1555 lba = ADP_LBA(rdp->disks[disk].dev);
1556 size = sizeof(struct adaptec_raid_conf);
1557 break;
1558
1559 case AR_F_HPTV2_RAID:
1560 lba = HPTV2_LBA(rdp->disks[disk].dev);
1561 size = sizeof(struct hptv2_raid_conf);
1562 break;
1563
1564 case AR_F_HPTV3_RAID:
1565 lba = HPTV3_LBA(rdp->disks[disk].dev);
1566 size = sizeof(struct hptv3_raid_conf);
1567 break;
1568
1569 case AR_F_INTEL_RAID:
1570 lba = INTEL_LBA(rdp->disks[disk].dev);
1571 size = 3 * 512; /* XXX SOS */
1572 break;
1573
1574 case AR_F_ITE_RAID:
1575 lba = ITE_LBA(rdp->disks[disk].dev);
1576 size = sizeof(struct ite_raid_conf);
1577 break;
1578
1579 case AR_F_JMICRON_RAID:
1580 lba = JMICRON_LBA(rdp->disks[disk].dev);
1581 size = sizeof(struct jmicron_raid_conf);
1582 break;
1583
1584 case AR_F_LSIV2_RAID:
1585 lba = LSIV2_LBA(rdp->disks[disk].dev);
1586 size = sizeof(struct lsiv2_raid_conf);
1587 break;
1588
1589 case AR_F_LSIV3_RAID:
1590 lba = LSIV3_LBA(rdp->disks[disk].dev);
1591 size = sizeof(struct lsiv3_raid_conf);
1592 break;
1593
1594 case AR_F_NVIDIA_RAID:
1595 lba = NVIDIA_LBA(rdp->disks[disk].dev);
1596 size = sizeof(struct nvidia_raid_conf);
1597 break;
1598
1599 case AR_F_FREEBSD_RAID:
1600 case AR_F_PROMISE_RAID:
1601 lba = PROMISE_LBA(rdp->disks[disk].dev);
1602 size = sizeof(struct promise_raid_conf);
1603 break;
1604
1605 case AR_F_SII_RAID:
1606 lba = SII_LBA(rdp->disks[disk].dev);
1607 size = sizeof(struct sii_raid_conf);
1608 break;
1609
1610 case AR_F_SIS_RAID:
1611 lba = SIS_LBA(rdp->disks[disk].dev);
1612 size = sizeof(struct sis_raid_conf);
1613 break;
1614
1615 case AR_F_VIA_RAID:
1616 lba = VIA_LBA(rdp->disks[disk].dev);
1617 size = sizeof(struct via_raid_conf);
1618 break;
1619
1620 default:
1621 kprintf("ar%d: wiping of %s metadata is NOT supported yet\n",
1622 rdp->lun, ata_raid_format(rdp));
1623 return ENXIO;
1624 }
1625 meta = kmalloc(size, M_AR, M_WAITOK | M_ZERO);
1626 if (ata_raid_rw(rdp->disks[disk].dev, lba, meta, size,
1627 ATA_R_WRITE | ATA_R_DIRECT)) {
1628 device_printf(rdp->disks[disk].dev, "wipe metadata failed\n");
1629 error = EIO;
1630 }
1631 kfree(meta, M_AR);
1632 }
1633 }
1634 return error;
1635 }
1636
1637 /* Adaptec HostRAID Metadata */
1638 static int
1639 ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp)
1640 {
1641 struct ata_raid_subdisk *ars = device_get_softc(dev);
1642 device_t parent = device_get_parent(dev);
1643 struct adaptec_raid_conf *meta;
1644 struct ar_softc *raid;
1645 int array, disk, retval = 0;
1646
1647 meta = (struct adaptec_raid_conf *)
1648 kmalloc(sizeof(struct adaptec_raid_conf), M_AR, M_WAITOK | M_ZERO);
1649
1650 if (ata_raid_rw(parent, ADP_LBA(parent),
1651 meta, sizeof(struct adaptec_raid_conf), ATA_R_READ)) {
1652 if (testing || bootverbose)
1653 device_printf(parent, "Adaptec read metadata failed\n");
1654 goto adaptec_out;
1655 }
1656
1657 /* check if this is a Adaptec RAID struct */
1658 if (meta->magic_0 != ADP_MAGIC_0 || meta->magic_3 != ADP_MAGIC_3) {
1659 if (testing || bootverbose)
1660 device_printf(parent, "Adaptec check1 failed\n");
1661 goto adaptec_out;
1662 }
1663
1664 if (testing || bootverbose)
1665 ata_raid_adaptec_print_meta(meta);
1666
1667 /* now convert Adaptec metadata into our generic form */
1668 for (array = 0; array < MAX_ARRAYS; array++) {
1669 if (!raidp[array]) {
1670 raidp[array] =
1671 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
1672 M_WAITOK | M_ZERO);
1673 }
1674 raid = raidp[array];
1675 if (raid->format && (raid->format != AR_F_ADAPTEC_RAID))
1676 continue;
1677
1678 if (raid->magic_0 && raid->magic_0 != meta->configs[0].magic_0)
1679 continue;
1680
1681 if (!meta->generation || be32toh(meta->generation) > raid->generation) {
1682 switch (meta->configs[0].type) {
1683 case ADP_T_RAID0:
1684 raid->magic_0 = meta->configs[0].magic_0;
1685 raid->type = AR_T_RAID0;
1686 raid->interleave = 1 << (meta->configs[0].stripe_shift >> 1);
1687 raid->width = be16toh(meta->configs[0].total_disks);
1688 break;
1689
1690 case ADP_T_RAID1:
1691 raid->magic_0 = meta->configs[0].magic_0;
1692 raid->type = AR_T_RAID1;
1693 raid->width = be16toh(meta->configs[0].total_disks) / 2;
1694 break;
1695
1696 default:
1697 device_printf(parent, "Adaptec unknown RAID type 0x%02x\n",
1698 meta->configs[0].type);
1699 kfree(raidp[array], M_AR);
1700 raidp[array] = NULL;
1701 goto adaptec_out;
1702 }
1703
1704 raid->format = AR_F_ADAPTEC_RAID;
1705 raid->generation = be32toh(meta->generation);
1706 raid->total_disks = be16toh(meta->configs[0].total_disks);
1707 raid->total_sectors = be32toh(meta->configs[0].sectors);
1708 raid->heads = 255;
1709 raid->sectors = 63;
1710 raid->cylinders = raid->total_sectors / (63 * 255);
1711 raid->offset_sectors = 0;
1712 raid->rebuild_lba = 0;
1713 raid->lun = array;
1714 strncpy(raid->name, meta->configs[0].name,
1715 min(sizeof(raid->name), sizeof(meta->configs[0].name)));
1716
1717 /* clear out any old info */
1718 if (raid->generation) {
1719 for (disk = 0; disk < raid->total_disks; disk++) {
1720 raid->disks[disk].dev = NULL;
1721 raid->disks[disk].flags = 0;
1722 }
1723 }
1724 }
1725 if (be32toh(meta->generation) >= raid->generation) {
1726 struct ata_device *atadev = device_get_softc(parent);
1727 struct ata_channel *ch = device_get_softc(GRANDPARENT(dev));
1728 int disk_number = (ch->unit << !(ch->flags & ATA_NO_SLAVE)) +
1729 ATA_DEV(atadev->unit);
1730
1731 raid->disks[disk_number].dev = parent;
1732 raid->disks[disk_number].sectors =
1733 be32toh(meta->configs[disk_number + 1].sectors);
1734 raid->disks[disk_number].flags =
1735 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
1736 ars->raid[raid->volume] = raid;
1737 ars->disk_number[raid->volume] = disk_number;
1738 retval = 1;
1739 }
1740 break;
1741 }
1742
1743 adaptec_out:
1744 kfree(meta, M_AR);
1745 return retval;
1746 }
1747
1748 /* Highpoint V2 RocketRAID Metadata */
1749 static int
1750 ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp)
1751 {
1752 struct ata_raid_subdisk *ars = device_get_softc(dev);
1753 device_t parent = device_get_parent(dev);
1754 struct hptv2_raid_conf *meta;
1755 struct ar_softc *raid = NULL;
1756 int array, disk_number = 0, retval = 0;
1757
1758 meta = (struct hptv2_raid_conf *)kmalloc(sizeof(struct hptv2_raid_conf),
1759 M_AR, M_WAITOK | M_ZERO);
1760
1761 if (ata_raid_rw(parent, HPTV2_LBA(parent),
1762 meta, sizeof(struct hptv2_raid_conf), ATA_R_READ)) {
1763 if (testing || bootverbose)
1764 device_printf(parent, "HighPoint (v2) read metadata failed\n");
1765 goto hptv2_out;
1766 }
1767
1768 /* check if this is a HighPoint v2 RAID struct */
1769 if (meta->magic != HPTV2_MAGIC_OK && meta->magic != HPTV2_MAGIC_BAD) {
1770 if (testing || bootverbose)
1771 device_printf(parent, "HighPoint (v2) check1 failed\n");
1772 goto hptv2_out;
1773 }
1774
1775 /* is this disk defined, or an old leftover/spare ? */
1776 if (!meta->magic_0) {
1777 if (testing || bootverbose)
1778 device_printf(parent, "HighPoint (v2) check2 failed\n");
1779 goto hptv2_out;
1780 }
1781
1782 if (testing || bootverbose)
1783 ata_raid_hptv2_print_meta(meta);
1784
1785 /* now convert HighPoint (v2) metadata into our generic form */
1786 for (array = 0; array < MAX_ARRAYS; array++) {
1787 if (!raidp[array]) {
1788 raidp[array] =
1789 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
1790 M_WAITOK | M_ZERO);
1791 }
1792 raid = raidp[array];
1793 if (raid->format && (raid->format != AR_F_HPTV2_RAID))
1794 continue;
1795
1796 switch (meta->type) {
1797 case HPTV2_T_RAID0:
1798 if ((meta->order & (HPTV2_O_RAID0|HPTV2_O_OK)) ==
1799 (HPTV2_O_RAID0|HPTV2_O_OK))
1800 goto highpoint_raid1;
1801 if (meta->order & (HPTV2_O_RAID0 | HPTV2_O_RAID1))
1802 goto highpoint_raid01;
1803 if (raid->magic_0 && raid->magic_0 != meta->magic_0)
1804 continue;
1805 raid->magic_0 = meta->magic_0;
1806 raid->type = AR_T_RAID0;
1807 raid->interleave = 1 << meta->stripe_shift;
1808 disk_number = meta->disk_number;
1809 if (!(meta->order & HPTV2_O_OK))
1810 meta->magic = 0; /* mark bad */
1811 break;
1812
1813 case HPTV2_T_RAID1:
1814 highpoint_raid1:
1815 if (raid->magic_0 && raid->magic_0 != meta->magic_0)
1816 continue;
1817 raid->magic_0 = meta->magic_0;
1818 raid->type = AR_T_RAID1;
1819 disk_number = (meta->disk_number > 0);
1820 break;
1821
1822 case HPTV2_T_RAID01_RAID0:
1823 highpoint_raid01:
1824 if (meta->order & HPTV2_O_RAID0) {
1825 if ((raid->magic_0 && raid->magic_0 != meta->magic_0) ||
1826 (raid->magic_1 && raid->magic_1 != meta->magic_1))
1827 continue;
1828 raid->magic_0 = meta->magic_0;
1829 raid->magic_1 = meta->magic_1;
1830 raid->type = AR_T_RAID01;
1831 raid->interleave = 1 << meta->stripe_shift;
1832 disk_number = meta->disk_number;
1833 }
1834 else {
1835 if (raid->magic_1 && raid->magic_1 != meta->magic_1)
1836 continue;
1837 raid->magic_1 = meta->magic_1;
1838 raid->type = AR_T_RAID01;
1839 raid->interleave = 1 << meta->stripe_shift;
1840 disk_number = meta->disk_number + meta->array_width;
1841 if (!(meta->order & HPTV2_O_RAID1))
1842 meta->magic = 0; /* mark bad */
1843 }
1844 break;
1845
1846 case HPTV2_T_SPAN:
1847 if (raid->magic_0 && raid->magic_0 != meta->magic_0)
1848 continue;
1849 raid->magic_0 = meta->magic_0;
1850 raid->type = AR_T_SPAN;
1851 disk_number = meta->disk_number;
1852 break;
1853
1854 default:
1855 device_printf(parent, "Highpoint (v2) unknown RAID type 0x%02x\n",
1856 meta->type);
1857 kfree(raidp[array], M_AR);
1858 raidp[array] = NULL;
1859 goto hptv2_out;
1860 }
1861
1862 raid->format |= AR_F_HPTV2_RAID;
1863 raid->disks[disk_number].dev = parent;
1864 raid->disks[disk_number].flags = (AR_DF_PRESENT | AR_DF_ASSIGNED);
1865 raid->lun = array;
1866 strncpy(raid->name, meta->name_1,
1867 min(sizeof(raid->name), sizeof(meta->name_1)));
1868 if (meta->magic == HPTV2_MAGIC_OK) {
1869 raid->disks[disk_number].flags |= AR_DF_ONLINE;
1870 raid->width = meta->array_width;
1871 raid->total_sectors = meta->total_sectors;
1872 raid->heads = 255;
1873 raid->sectors = 63;
1874 raid->cylinders = raid->total_sectors / (63 * 255);
1875 raid->offset_sectors = HPTV2_LBA(parent) + 1;
1876 raid->rebuild_lba = meta->rebuild_lba;
1877 raid->disks[disk_number].sectors =
1878 raid->total_sectors / raid->width;
1879 }
1880 else
1881 raid->disks[disk_number].flags &= ~AR_DF_ONLINE;
1882
1883 if ((raid->type & AR_T_RAID0) && (raid->total_disks < raid->width))
1884 raid->total_disks = raid->width;
1885 if (disk_number >= raid->total_disks)
1886 raid->total_disks = disk_number + 1;
1887 ars->raid[raid->volume] = raid;
1888 ars->disk_number[raid->volume] = disk_number;
1889 retval = 1;
1890 break;
1891 }
1892
1893 hptv2_out:
1894 kfree(meta, M_AR);
1895 return retval;
1896 }
1897
1898 static int
1899 ata_raid_hptv2_write_meta(struct ar_softc *rdp)
1900 {
1901 struct hptv2_raid_conf *meta;
1902 struct timeval timestamp;
1903 int disk, error = 0;
1904
1905 meta = (struct hptv2_raid_conf *)kmalloc(sizeof(struct hptv2_raid_conf),
1906 M_AR, M_WAITOK | M_ZERO);
1907
1908 microtime(&timestamp);
1909 rdp->magic_0 = timestamp.tv_sec + 2;
1910 rdp->magic_1 = timestamp.tv_sec;
1911
1912 for (disk = 0; disk < rdp->total_disks; disk++) {
1913 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) ==
1914 (AR_DF_PRESENT | AR_DF_ONLINE))
1915 meta->magic = HPTV2_MAGIC_OK;
1916 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) {
1917 meta->magic_0 = rdp->magic_0;
1918 if (strlen(rdp->name))
1919 strncpy(meta->name_1, rdp->name, sizeof(meta->name_1));
1920 else
1921 strcpy(meta->name_1, "FreeBSD");
1922 }
1923 meta->disk_number = disk;
1924
1925 switch (rdp->type) {
1926 case AR_T_RAID0:
1927 meta->type = HPTV2_T_RAID0;
1928 strcpy(meta->name_2, "RAID 0");
1929 if (rdp->disks[disk].flags & AR_DF_ONLINE)
1930 meta->order = HPTV2_O_OK;
1931 break;
1932
1933 case AR_T_RAID1:
1934 meta->type = HPTV2_T_RAID0;
1935 strcpy(meta->name_2, "RAID 1");
1936 meta->disk_number = (disk < rdp->width) ? disk : disk + 5;
1937 meta->order = HPTV2_O_RAID0 | HPTV2_O_OK;
1938 break;
1939
1940 case AR_T_RAID01:
1941 meta->type = HPTV2_T_RAID01_RAID0;
1942 strcpy(meta->name_2, "RAID 0+1");
1943 if (rdp->disks[disk].flags & AR_DF_ONLINE) {
1944 if (disk < rdp->width) {
1945 meta->order = (HPTV2_O_RAID0 | HPTV2_O_RAID1);
1946 meta->magic_0 = rdp->magic_0 - 1;
1947 }
1948 else {
1949 meta->order = HPTV2_O_RAID1;
1950 meta->disk_number -= rdp->width;
1951 }
1952 }
1953 else
1954 meta->magic_0 = rdp->magic_0 - 1;
1955 meta->magic_1 = rdp->magic_1;
1956 break;
1957
1958 case AR_T_SPAN:
1959 meta->type = HPTV2_T_SPAN;
1960 strcpy(meta->name_2, "SPAN");
1961 break;
1962 default:
1963 kfree(meta, M_AR);
1964 return ENODEV;
1965 }
1966
1967 meta->array_width = rdp->width;
1968 meta->stripe_shift = (rdp->width > 1) ? (ffs(rdp->interleave)-1) : 0;
1969 meta->total_sectors = rdp->total_sectors;
1970 meta->rebuild_lba = rdp->rebuild_lba;
1971 if (testing || bootverbose)
1972 ata_raid_hptv2_print_meta(meta);
1973 if (rdp->disks[disk].dev) {
1974 if (ata_raid_rw(rdp->disks[disk].dev,
1975 HPTV2_LBA(rdp->disks[disk].dev), meta,
1976 sizeof(struct promise_raid_conf),
1977 ATA_R_WRITE | ATA_R_DIRECT)) {
1978 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
1979 error = EIO;
1980 }
1981 }
1982 }
1983 kfree(meta, M_AR);
1984 return error;
1985 }
1986
1987 /* Highpoint V3 RocketRAID Metadata */
1988 static int
1989 ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp)
1990 {
1991 struct ata_raid_subdisk *ars = device_get_softc(dev);
1992 device_t parent = device_get_parent(dev);
1993 struct hptv3_raid_conf *meta;
1994 struct ar_softc *raid = NULL;
1995 int array, disk_number, retval = 0;
1996
1997 meta = (struct hptv3_raid_conf *)kmalloc(sizeof(struct hptv3_raid_conf),
1998 M_AR, M_WAITOK | M_ZERO);
1999
2000 if (ata_raid_rw(parent, HPTV3_LBA(parent),
2001 meta, sizeof(struct hptv3_raid_conf), ATA_R_READ)) {
2002 if (testing || bootverbose)
2003 device_printf(parent, "HighPoint (v3) read metadata failed\n");
2004 goto hptv3_out;
2005 }
2006
2007 /* check if this is a HighPoint v3 RAID struct */
2008 if (meta->magic != HPTV3_MAGIC) {
2009 if (testing || bootverbose)
2010 device_printf(parent, "HighPoint (v3) check1 failed\n");
2011 goto hptv3_out;
2012 }
2013
2014 /* check if there are any config_entries */
2015 if (meta->config_entries < 1) {
2016 if (testing || bootverbose)
2017 device_printf(parent, "HighPoint (v3) check2 failed\n");
2018 goto hptv3_out;
2019 }
2020
2021 if (testing || bootverbose)
2022 ata_raid_hptv3_print_meta(meta);
2023
2024 /* now convert HighPoint (v3) metadata into our generic form */
2025 for (array = 0; array < MAX_ARRAYS; array++) {
2026 if (!raidp[array]) {
2027 raidp[array] =
2028 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
2029 M_WAITOK | M_ZERO);
2030 }
2031 raid = raidp[array];
2032 if (raid->format && (raid->format != AR_F_HPTV3_RAID))
2033 continue;
2034
2035 if ((raid->format & AR_F_HPTV3_RAID) && raid->magic_0 != meta->magic_0)
2036 continue;
2037
2038 switch (meta->configs[0].type) {
2039 case HPTV3_T_RAID0:
2040 raid->type = AR_T_RAID0;
2041 raid->width = meta->configs[0].total_disks;
2042 disk_number = meta->configs[0].disk_number;
2043 break;
2044
2045 case HPTV3_T_RAID1:
2046 raid->type = AR_T_RAID1;
2047 raid->width = meta->configs[0].total_disks / 2;
2048 disk_number = meta->configs[0].disk_number;
2049 break;
2050
2051 case HPTV3_T_RAID5:
2052 raid->type = AR_T_RAID5;
2053 raid->width = meta->configs[0].total_disks;
2054 disk_number = meta->configs[0].disk_number;
2055 break;
2056
2057 case HPTV3_T_SPAN:
2058 raid->type = AR_T_SPAN;
2059 raid->width = meta->configs[0].total_disks;
2060 disk_number = meta->configs[0].disk_number;
2061 break;
2062
2063 default:
2064 device_printf(parent, "Highpoint (v3) unknown RAID type 0x%02x\n",
2065 meta->configs[0].type);
2066 kfree(raidp[array], M_AR);
2067 raidp[array] = NULL;
2068 goto hptv3_out;
2069 }
2070 if (meta->config_entries == 2) {
2071 switch (meta->configs[1].type) {
2072 case HPTV3_T_RAID1:
2073 if (raid->type == AR_T_RAID0) {
2074 raid->type = AR_T_RAID01;
2075 disk_number = meta->configs[1].disk_number +
2076 (meta->configs[0].disk_number << 1);
2077 break;
2078 }
2079 default:
2080 device_printf(parent, "Highpoint (v3) unknown level 2 0x%02x\n",
2081 meta->configs[1].type);
2082 kfree(raidp[array], M_AR);
2083 raidp[array] = NULL;
2084 goto hptv3_out;
2085 }
2086 }
2087
2088 raid->magic_0 = meta->magic_0;
2089 raid->format = AR_F_HPTV3_RAID;
2090 raid->generation = meta->timestamp;
2091 raid->interleave = 1 << meta->configs[0].stripe_shift;
2092 raid->total_disks = meta->configs[0].total_disks +
2093 meta->configs[1].total_disks;
2094 raid->total_sectors = meta->configs[0].total_sectors +
2095 ((u_int64_t)meta->configs_high[0].total_sectors << 32);
2096 raid->heads = 255;
2097 raid->sectors = 63;
2098 raid->cylinders = raid->total_sectors / (63 * 255);
2099 raid->offset_sectors = 0;
2100 raid->rebuild_lba = meta->configs[0].rebuild_lba +
2101 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32);
2102 raid->lun = array;
2103 strncpy(raid->name, meta->name,
2104 min(sizeof(raid->name), sizeof(meta->name)));
2105 raid->disks[disk_number].sectors = raid->total_sectors /
2106 (raid->type == AR_T_RAID5 ? raid->width - 1 : raid->width);
2107 raid->disks[disk_number].dev = parent;
2108 raid->disks[disk_number].flags =
2109 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
2110 ars->raid[raid->volume] = raid;
2111 ars->disk_number[raid->volume] = disk_number;
2112 retval = 1;
2113 break;
2114 }
2115
2116 hptv3_out:
2117 kfree(meta, M_AR);
2118 return retval;
2119 }
2120
2121 /* Intel MatrixRAID Metadata */
2122 static int
2123 ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp)
2124 {
2125 struct ata_raid_subdisk *ars = device_get_softc(dev);
2126 device_t parent = device_get_parent(dev);
2127 struct intel_raid_conf *meta;
2128 struct intel_raid_mapping *map;
2129 struct ar_softc *raid = NULL;
2130 u_int32_t checksum, *ptr;
2131 int array, count, disk, volume = 1, retval = 0;
2132 char *tmp;
2133
2134 meta = (struct intel_raid_conf *)kmalloc(1536, M_AR, M_WAITOK | M_ZERO);
2135
2136 if (ata_raid_rw(parent, INTEL_LBA(parent), meta, 1024, ATA_R_READ)) {
2137 if (testing || bootverbose)
2138 device_printf(parent, "Intel read metadata failed\n");
2139 goto intel_out;
2140 }
2141 tmp = (char *)meta;
2142 bcopy(tmp, tmp+1024, 512);
2143 bcopy(tmp+512, tmp, 1024);
2144 bzero(tmp+1024, 512);
2145
2146 /* check if this is a Intel RAID struct */
2147 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) {
2148 if (testing || bootverbose)
2149 device_printf(parent, "Intel check1 failed\n");
2150 goto intel_out;
2151 }
2152
2153 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0;
2154 count < (meta->config_size / sizeof(u_int32_t)); count++) {
2155 checksum += *ptr++;
2156 }
2157 checksum -= meta->checksum;
2158 if (checksum != meta->checksum) {
2159 if (testing || bootverbose)
2160 device_printf(parent, "Intel check2 failed\n");
2161 goto intel_out;
2162 }
2163
2164 if (testing || bootverbose)
2165 ata_raid_intel_print_meta(meta);
2166
2167 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks];
2168
2169 /* now convert Intel metadata into our generic form */
2170 for (array = 0; array < MAX_ARRAYS; array++) {
2171 if (!raidp[array]) {
2172 raidp[array] =
2173 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
2174 M_WAITOK | M_ZERO);
2175 }
2176 raid = raidp[array];
2177 if (raid->format && (raid->format != AR_F_INTEL_RAID))
2178 continue;
2179
2180 if ((raid->format & AR_F_INTEL_RAID) &&
2181 (raid->magic_0 != meta->config_id))
2182 continue;
2183
2184 /*
2185 * update our knowledge about the array config based on generation
2186 * NOTE: there can be multiple volumes on a disk set
2187 */
2188 if (!meta->generation || meta->generation > raid->generation) {
2189 switch (map->type) {
2190 case INTEL_T_RAID0:
2191 raid->type = AR_T_RAID0;
2192 raid->width = map->total_disks;
2193 break;
2194
2195 case INTEL_T_RAID1:
2196 if (map->total_disks == 4)
2197 raid->type = AR_T_RAID01;
2198 else
2199 raid->type = AR_T_RAID1;
2200 raid->width = map->total_disks / 2;
2201 break;
2202
2203 case INTEL_T_RAID5:
2204 raid->type = AR_T_RAID5;
2205 raid->width = map->total_disks;
2206 break;
2207
2208 default:
2209 device_printf(parent, "Intel unknown RAID type 0x%02x\n",
2210 map->type);
2211 kfree(raidp[array], M_AR);
2212 raidp[array] = NULL;
2213 goto intel_out;
2214 }
2215
2216 switch (map->status) {
2217 case INTEL_S_READY:
2218 raid->status = AR_S_READY;
2219 break;
2220 case INTEL_S_DEGRADED:
2221 raid->status |= AR_S_DEGRADED;
2222 break;
2223 case INTEL_S_DISABLED:
2224 case INTEL_S_FAILURE:
2225 raid->status = 0;
2226 }
2227
2228 raid->magic_0 = meta->config_id;
2229 raid->format = AR_F_INTEL_RAID;
2230 raid->generation = meta->generation;
2231 raid->interleave = map->stripe_sectors;
2232 raid->total_disks = map->total_disks;
2233 raid->total_sectors = map->total_sectors;
2234 raid->heads = 255;
2235 raid->sectors = 63;
2236 raid->cylinders = raid->total_sectors / (63 * 255);
2237 raid->offset_sectors = map->offset;
2238 raid->rebuild_lba = 0;
2239 raid->lun = array;
2240 raid->volume = volume - 1;
2241 strncpy(raid->name, map->name,
2242 min(sizeof(raid->name), sizeof(map->name)));
2243
2244 /* clear out any old info */
2245 for (disk = 0; disk < raid->total_disks; disk++) {
2246 u_int disk_idx = map->disk_idx[disk] & 0xffff;
2247
2248 raid->disks[disk].dev = NULL;
2249 bcopy(meta->disk[disk_idx].serial,
2250 raid->disks[disk].serial,
2251 sizeof(raid->disks[disk].serial));
2252 raid->disks[disk].sectors =
2253 meta->disk[disk_idx].sectors;
2254 raid->disks[disk].flags = 0;
2255 if (meta->disk[disk_idx].flags & INTEL_F_ONLINE)
2256 raid->disks[disk].flags |= AR_DF_ONLINE;
2257 if (meta->disk[disk_idx].flags & INTEL_F_ASSIGNED)
2258 raid->disks[disk].flags |= AR_DF_ASSIGNED;
2259 if (meta->disk[disk_idx].flags & INTEL_F_SPARE) {
2260 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED);
2261 raid->disks[disk].flags |= AR_DF_SPARE;
2262 }
2263 if (meta->disk[disk_idx].flags & INTEL_F_DOWN)
2264 raid->disks[disk].flags &= ~AR_DF_ONLINE;
2265 }
2266 }
2267 if (meta->generation >= raid->generation) {
2268 for (disk = 0; disk < raid->total_disks; disk++) {
2269 struct ata_device *atadev = device_get_softc(parent);
2270
2271 if (!strncmp(raid->disks[disk].serial, atadev->param.serial,
2272 sizeof(raid->disks[disk].serial))) {
2273 raid->disks[disk].dev = parent;
2274 raid->disks[disk].flags |= (AR_DF_PRESENT | AR_DF_ONLINE);
2275 ars->raid[raid->volume] = raid;
2276 ars->disk_number[raid->volume] = disk;
2277 retval = 1;
2278 }
2279 }
2280 }
2281 else
2282 goto intel_out;
2283
2284 if (retval) {
2285 if (volume < meta->total_volumes) {
2286 map = (struct intel_raid_mapping *)
2287 &map->disk_idx[map->total_disks];
2288 volume++;
2289 retval = 0;
2290 continue;
2291 }
2292 break;
2293 }
2294 else {
2295 kfree(raidp[array], M_AR);
2296 raidp[array] = NULL;
2297 if (volume == 2)
2298 retval = 1;
2299 }
2300 }
2301
2302 intel_out:
2303 kfree(meta, M_AR);
2304 return retval;
2305 }
2306
2307 static int
2308 ata_raid_intel_write_meta(struct ar_softc *rdp)
2309 {
2310 struct intel_raid_conf *meta;
2311 struct intel_raid_mapping *map;
2312 struct timeval timestamp;
2313 u_int32_t checksum, *ptr;
2314 int count, disk, error = 0;
2315 char *tmp;
2316
2317 meta = (struct intel_raid_conf *)kmalloc(1536, M_AR, M_WAITOK | M_ZERO);
2318
2319 rdp->generation++;
2320
2321 /* Generate a new config_id if none exists */
2322 if (!rdp->magic_0) {
2323 microtime(&timestamp);
2324 rdp->magic_0 = timestamp.tv_sec ^ timestamp.tv_usec;
2325 }
2326
2327 bcopy(INTEL_MAGIC, meta->intel_id, sizeof(meta->intel_id));
2328 bcopy(INTEL_VERSION_1100, meta->version, sizeof(meta->version));
2329 meta->config_id = rdp->magic_0;
2330 meta->generation = rdp->generation;
2331 meta->total_disks = rdp->total_disks;
2332 meta->total_volumes = 1; /* XXX SOS */
2333 for (disk = 0; disk < rdp->total_disks; disk++) {
2334 if (rdp->disks[disk].dev) {
2335 struct ata_channel *ch =
2336 device_get_softc(device_get_parent(rdp->disks[disk].dev));
2337 struct ata_device *atadev =
2338 device_get_softc(rdp->disks[disk].dev);
2339
2340 bcopy(atadev->param.serial, meta->disk[disk].serial,
2341 sizeof(rdp->disks[disk].serial));
2342 meta->disk[disk].sectors = rdp->disks[disk].sectors;
2343 meta->disk[disk].id = (ch->unit << 16) | ATA_DEV(atadev->unit);
2344 }
2345 else
2346 meta->disk[disk].sectors = rdp->total_sectors / rdp->width;
2347 meta->disk[disk].flags = 0;
2348 if (rdp->disks[disk].flags & AR_DF_SPARE)
2349 meta->disk[disk].flags |= INTEL_F_SPARE;
2350 else {
2351 if (rdp->disks[disk].flags & AR_DF_ONLINE)
2352 meta->disk[disk].flags |= INTEL_F_ONLINE;
2353 else
2354 meta->disk[disk].flags |= INTEL_F_DOWN;
2355 if (rdp->disks[disk].flags & AR_DF_ASSIGNED)
2356 meta->disk[disk].flags |= INTEL_F_ASSIGNED;
2357 }
2358 }
2359 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks];
2360
2361 bcopy(rdp->name, map->name, sizeof(rdp->name));
2362 map->total_sectors = rdp->total_sectors;
2363 map->state = 12; /* XXX SOS */
2364 map->offset = rdp->offset_sectors;
2365 map->stripe_count = rdp->total_sectors / (rdp->interleave*rdp->total_disks);
2366 map->stripe_sectors = rdp->interleave;
2367 map->disk_sectors = rdp->total_sectors / rdp->width;
2368 map->status = INTEL_S_READY; /* XXX SOS */
2369 switch (rdp->type) {
2370 case AR_T_RAID0:
2371 map->type = INTEL_T_RAID0;
2372 break;
2373 case AR_T_RAID1:
2374 map->type = INTEL_T_RAID1;
2375 break;
2376 case AR_T_RAID01:
2377 map->type = INTEL_T_RAID1;
2378 break;
2379 case AR_T_RAID5:
2380 map->type = INTEL_T_RAID5;
2381 break;
2382 default:
2383 kfree(meta, M_AR);
2384 return ENODEV;
2385 }
2386 map->total_disks = rdp->total_disks;
2387 map->magic[0] = 0x02;
2388 map->magic[1] = 0xff;
2389 map->magic[2] = 0x01;
2390 for (disk = 0; disk < rdp->total_disks; disk++)
2391 map->disk_idx[disk] = disk;
2392
2393 meta->config_size = (char *)&map->disk_idx[disk] - (char *)meta;
2394 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0;
2395 count < (meta->config_size / sizeof(u_int32_t)); count++) {
2396 checksum += *ptr++;
2397 }
2398 meta->checksum = checksum;
2399
2400 if (testing || bootverbose)
2401 ata_raid_intel_print_meta(meta);
2402
2403 tmp = (char *)meta;
2404 bcopy(tmp, tmp+1024, 512);
2405 bcopy(tmp+512, tmp, 1024);
2406 bzero(tmp+1024, 512);
2407
2408 for (disk = 0; disk < rdp->total_disks; disk++) {
2409 if (rdp->disks[disk].dev) {
2410 if (ata_raid_rw(rdp->disks[disk].dev,
2411 INTEL_LBA(rdp->disks[disk].dev),
2412 meta, 1024, ATA_R_WRITE | ATA_R_DIRECT)) {
2413 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
2414 error = EIO;
2415 }
2416 }
2417 }
2418 kfree(meta, M_AR);
2419 return error;
2420 }
2421
2422
2423 /* Integrated Technology Express Metadata */
2424 static int
2425 ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp)
2426 {
2427 struct ata_raid_subdisk *ars = device_get_softc(dev);
2428 device_t parent = device_get_parent(dev);
2429 struct ite_raid_conf *meta;
2430 struct ar_softc *raid = NULL;
2431 int array, disk_number, count, retval = 0;
2432 u_int16_t *ptr;
2433
2434 meta = (struct ite_raid_conf *)kmalloc(sizeof(struct ite_raid_conf), M_AR,
2435 M_WAITOK | M_ZERO);
2436
2437 if (ata_raid_rw(parent, ITE_LBA(parent),
2438 meta, sizeof(struct ite_raid_conf), ATA_R_READ)) {
2439 if (testing || bootverbose)
2440 device_printf(parent, "ITE read metadata failed\n");
2441 goto ite_out;
2442 }
2443
2444 /* check if this is a ITE RAID struct */
2445 for (ptr = (u_int16_t *)meta->ite_id, count = 0;
2446 count < sizeof(meta->ite_id)/sizeof(uint16_t); count++)
2447 ptr[count] = be16toh(ptr[count]);
2448
2449 if (strncmp(meta->ite_id, ITE_MAGIC, strlen(ITE_MAGIC))) {
2450 if (testing || bootverbose)
2451 device_printf(parent, "ITE check1 failed\n");
2452 goto ite_out;
2453 }
2454
2455 if (testing || bootverbose)
2456 ata_raid_ite_print_meta(meta);
2457
2458 /* now convert ITE metadata into our generic form */
2459 for (array = 0; array < MAX_ARRAYS; array++) {
2460 if ((raid = raidp[array])) {
2461 if (raid->format != AR_F_ITE_RAID)
2462 continue;
2463 if (raid->magic_0 != *((u_int64_t *)meta->timestamp_0))
2464 continue;
2465 }
2466
2467 /* if we dont have a disks timestamp the RAID is invalidated */
2468 if (*((u_int64_t *)meta->timestamp_1) == 0)
2469 goto ite_out;
2470
2471 if (!raid) {
2472 raidp[array] = (struct ar_softc *)kmalloc(sizeof(struct ar_softc),
2473 M_AR, M_WAITOK | M_ZERO);
2474 }
2475
2476 switch (meta->type) {
2477 case ITE_T_RAID0:
2478 raid->type = AR_T_RAID0;
2479 raid->width = meta->array_width;
2480 raid->total_disks = meta->array_width;
2481 disk_number = meta->disk_number;
2482 break;
2483
2484 case ITE_T_RAID1:
2485 raid->type = AR_T_RAID1;
2486 raid->width = 1;
2487 raid->total_disks = 2;
2488 disk_number = meta->disk_number;
2489 break;
2490
2491 case ITE_T_RAID01:
2492 raid->type = AR_T_RAID01;
2493 raid->width = meta->array_width;
2494 raid->total_disks = 4;
2495 disk_number = ((meta->disk_number & 0x02) >> 1) |
2496 ((meta->disk_number & 0x01) << 1);
2497 break;
2498
2499 case ITE_T_SPAN:
2500 raid->type = AR_T_SPAN;
2501 raid->width = 1;
2502 raid->total_disks = meta->array_width;
2503 disk_number = meta->disk_number;
2504 break;
2505
2506 default:
2507 device_printf(parent, "ITE unknown RAID type 0x%02x\n", meta->type);
2508 kfree(raidp[array], M_AR);
2509 raidp[array] = NULL;
2510 goto ite_out;
2511 }
2512
2513 raid->magic_0 = *((u_int64_t *)meta->timestamp_0);
2514 raid->format = AR_F_ITE_RAID;
2515 raid->generation = 0;
2516 raid->interleave = meta->stripe_sectors;
2517 raid->total_sectors = meta->total_sectors;
2518 raid->heads = 255;
2519 raid->sectors = 63;
2520 raid->cylinders = raid->total_sectors / (63 * 255);
2521 raid->offset_sectors = 0;
2522 raid->rebuild_lba = 0;
2523 raid->lun = array;
2524
2525 raid->disks[disk_number].dev = parent;
2526 raid->disks[disk_number].sectors = raid->total_sectors / raid->width;
2527 raid->disks[disk_number].flags =
2528 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
2529 ars->raid[raid->volume] = raid;
2530 ars->disk_number[raid->volume] = disk_number;
2531 retval = 1;
2532 break;
2533 }
2534 ite_out:
2535 kfree(meta, M_AR);
2536 return retval;
2537 }
2538
2539 /* JMicron Technology Corp Metadata */
2540 static int
2541 ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp)
2542 {
2543 struct ata_raid_subdisk *ars = device_get_softc(dev);
2544 device_t parent = device_get_parent(dev);
2545 struct jmicron_raid_conf *meta;
2546 struct ar_softc *raid = NULL;
2547 u_int16_t checksum, *ptr;
2548 u_int64_t disk_size;
2549 int count, array, disk, total_disks, retval = 0;
2550
2551 meta = (struct jmicron_raid_conf *)
2552 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO);
2553
2554 if (ata_raid_rw(parent, JMICRON_LBA(parent),
2555 meta, sizeof(struct jmicron_raid_conf), ATA_R_READ)) {
2556 if (testing || bootverbose)
2557 device_printf(parent,
2558 "JMicron read metadata failed\n");
2559 }
2560
2561 /* check for JMicron signature */
2562 if (strncmp(meta->signature, JMICRON_MAGIC, 2)) {
2563 if (testing || bootverbose)
2564 device_printf(parent, "JMicron check1 failed\n");
2565 goto jmicron_out;
2566 }
2567
2568 /* calculate checksum and compare for valid */
2569 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 64; count++)
2570 checksum += *ptr++;
2571 if (checksum) {
2572 if (testing || bootverbose)
2573 device_printf(parent, "JMicron check2 failed\n");
2574 goto jmicron_out;
2575 }
2576
2577 if (testing || bootverbose)
2578 ata_raid_jmicron_print_meta(meta);
2579
2580 /* now convert JMicron meta into our generic form */
2581 for (array = 0; array < MAX_ARRAYS; array++) {
2582 jmicron_next:
2583 if (!raidp[array]) {
2584 raidp[array] =
2585 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
2586 M_WAITOK | M_ZERO);
2587 }
2588 raid = raidp[array];
2589 if (raid->format && (raid->format != AR_F_JMICRON_RAID))
2590 continue;
2591
2592 for (total_disks = 0, disk = 0; disk < JM_MAX_DISKS; disk++) {
2593 if (meta->disks[disk]) {
2594 if (raid->format == AR_F_JMICRON_RAID) {
2595 if (bcmp(&meta->disks[disk],
2596 raid->disks[disk].serial, sizeof(u_int32_t))) {
2597 array++;
2598 goto jmicron_next;
2599 }
2600 }
2601 else
2602 bcopy(&meta->disks[disk],
2603 raid->disks[disk].serial, sizeof(u_int32_t));
2604 total_disks++;
2605 }
2606 }
2607 /* handle spares XXX SOS */
2608
2609 switch (meta->type) {
2610 case JM_T_RAID0:
2611 raid->type = AR_T_RAID0;
2612 raid->width = total_disks;
2613 break;
2614
2615 case JM_T_RAID1:
2616 raid->type = AR_T_RAID1;
2617 raid->width = 1;
2618 break;
2619
2620 case JM_T_RAID01:
2621 raid->type = AR_T_RAID01;
2622 raid->width = total_disks / 2;
2623 break;
2624
2625 case JM_T_RAID5:
2626 raid->type = AR_T_RAID5;
2627 raid->width = total_disks;
2628 break;
2629
2630 case JM_T_JBOD:
2631 raid->type = AR_T_SPAN;
2632 raid->width = 1;
2633 break;
2634
2635 default:
2636 device_printf(parent,
2637 "JMicron unknown RAID type 0x%02x\n", meta->type);
2638 kfree(raidp[array], M_AR);
2639 raidp[array] = NULL;
2640 goto jmicron_out;
2641 }
2642 disk_size = (meta->disk_sectors_high << 16) + meta->disk_sectors_low;
2643 raid->format = AR_F_JMICRON_RAID;
2644 strncpy(raid->name, meta->name, sizeof(meta->name));
2645 raid->generation = 0;
2646 raid->interleave = 2 << meta->stripe_shift;
2647 raid->total_disks = total_disks;
2648 raid->total_sectors = disk_size * (raid->width-(raid->type==AR_RAID5));
2649 raid->heads = 255;
2650 raid->sectors = 63;
2651 raid->cylinders = raid->total_sectors / (63 * 255);
2652 raid->offset_sectors = meta->offset * 16;
2653 raid->rebuild_lba = 0;
2654 raid->lun = array;
2655
2656 for (disk = 0; disk < raid->total_disks; disk++) {
2657 if (meta->disks[disk] == meta->disk_id) {
2658 raid->disks[disk].dev = parent;
2659 raid->disks[disk].sectors = disk_size;
2660 raid->disks[disk].flags =
2661 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
2662 ars->raid[raid->volume] = raid;
2663 ars->disk_number[raid->volume] = disk;
2664 retval = 1;
2665 break;
2666 }
2667 }
2668 break;
2669 }
2670 jmicron_out:
2671 kfree(meta, M_AR);
2672 return retval;
2673 }
2674
2675 static int
2676 ata_raid_jmicron_write_meta(struct ar_softc *rdp)
2677 {
2678 struct jmicron_raid_conf *meta;
2679 u_int64_t disk_sectors;
2680 int disk, error = 0;
2681
2682 meta = (struct jmicron_raid_conf *)
2683 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO);
2684
2685 rdp->generation++;
2686 switch (rdp->type) {
2687 case AR_T_JBOD:
2688 meta->type = JM_T_JBOD;
2689 break;
2690
2691 case AR_T_RAID0:
2692 meta->type = JM_T_RAID0;
2693 break;
2694
2695 case AR_T_RAID1:
2696 meta->type = JM_T_RAID1;
2697 break;
2698
2699 case AR_T_RAID5:
2700 meta->type = JM_T_RAID5;
2701 break;
2702
2703 case AR_T_RAID01:
2704 meta->type = JM_T_RAID01;
2705 break;
2706
2707 default:
2708 kfree(meta, M_AR);
2709 return ENODEV;
2710 }
2711 bcopy(JMICRON_MAGIC, meta->signature, sizeof(JMICRON_MAGIC));
2712 meta->version = JMICRON_VERSION;
2713 meta->offset = rdp->offset_sectors / 16;
2714 disk_sectors = rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5));
2715 meta->disk_sectors_low = disk_sectors & 0xffff;
2716 meta->disk_sectors_high = disk_sectors >> 16;
2717 strncpy(meta->name, rdp->name, sizeof(meta->name));
2718 meta->stripe_shift = ffs(rdp->interleave) - 2;
2719
2720 for (disk = 0; disk < rdp->total_disks && disk < JM_MAX_DISKS; disk++) {
2721 if (rdp->disks[disk].serial[0])
2722 bcopy(rdp->disks[disk].serial,&meta->disks[disk],sizeof(u_int32_t));
2723 else
2724 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev;
2725 }
2726
2727 for (disk = 0; disk < rdp->total_disks; disk++) {
2728 if (rdp->disks[disk].dev) {
2729 u_int16_t checksum = 0, *ptr;
2730 int count;
2731
2732 meta->disk_id = meta->disks[disk];
2733 meta->checksum = 0;
2734 for (ptr = (u_int16_t *)meta, count = 0; count < 64; count++)
2735 checksum += *ptr++;
2736 meta->checksum -= checksum;
2737
2738 if (testing || bootverbose)
2739 ata_raid_jmicron_print_meta(meta);
2740
2741 if (ata_raid_rw(rdp->disks[disk].dev,
2742 JMICRON_LBA(rdp->disks[disk].dev),
2743 meta, sizeof(struct jmicron_raid_conf),
2744 ATA_R_WRITE | ATA_R_DIRECT)) {
2745 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
2746 error = EIO;
2747 }
2748 }
2749 }
2750 /* handle spares XXX SOS */
2751
2752 kfree(meta, M_AR);
2753 return error;
2754 }
2755
2756 /* LSILogic V2 MegaRAID Metadata */
2757 static int
2758 ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp)
2759 {
2760 struct ata_raid_subdisk *ars = device_get_softc(dev);
2761 device_t parent = device_get_parent(dev);
2762 struct lsiv2_raid_conf *meta;
2763 struct ar_softc *raid = NULL;
2764 int array, retval = 0;
2765
2766 meta = (struct lsiv2_raid_conf *)kmalloc(sizeof(struct lsiv2_raid_conf),
2767 M_AR, M_WAITOK | M_ZERO);
2768
2769 if (ata_raid_rw(parent, LSIV2_LBA(parent),
2770 meta, sizeof(struct lsiv2_raid_conf), ATA_R_READ)) {
2771 if (testing || bootverbose)
2772 device_printf(parent, "LSI (v2) read metadata failed\n");
2773 goto lsiv2_out;
2774 }
2775
2776 /* check if this is a LSI RAID struct */
2777 if (strncmp(meta->lsi_id, LSIV2_MAGIC, strlen(LSIV2_MAGIC))) {
2778 if (testing || bootverbose)
2779 device_printf(parent, "LSI (v2) check1 failed\n");
2780 goto lsiv2_out;
2781 }
2782
2783 if (testing || bootverbose)
2784 ata_raid_lsiv2_print_meta(meta);
2785
2786 /* now convert LSI (v2) config meta into our generic form */
2787 for (array = 0; array < MAX_ARRAYS; array++) {
2788 int raid_entry, conf_entry;
2789
2790 if (!raidp[array + meta->raid_number]) {
2791 raidp[array + meta->raid_number] =
2792 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
2793 M_WAITOK | M_ZERO);
2794 }
2795 raid = raidp[array + meta->raid_number];
2796 if (raid->format && (raid->format != AR_F_LSIV2_RAID))
2797 continue;
2798
2799 if (raid->magic_0 &&
2800 ((raid->magic_0 != meta->timestamp) ||
2801 (raid->magic_1 != meta->raid_number)))
2802 continue;
2803
2804 array += meta->raid_number;
2805
2806 raid_entry = meta->raid_number;
2807 conf_entry = (meta->configs[raid_entry].raid.config_offset >> 4) +
2808 meta->disk_number - 1;
2809
2810 switch (meta->configs[raid_entry].raid.type) {
2811 case LSIV2_T_RAID0:
2812 raid->magic_0 = meta->timestamp;
2813 raid->magic_1 = meta->raid_number;
2814 raid->type = AR_T_RAID0;
2815 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors;
2816 raid->width = meta->configs[raid_entry].raid.array_width;
2817 break;
2818
2819 case LSIV2_T_RAID1:
2820 raid->magic_0 = meta->timestamp;
2821 raid->magic_1 = meta->raid_number;
2822 raid->type = AR_T_RAID1;
2823 raid->width = meta->configs[raid_entry].raid.array_width;
2824 break;
2825
2826 case LSIV2_T_RAID0 | LSIV2_T_RAID1:
2827 raid->magic_0 = meta->timestamp;
2828 raid->magic_1 = meta->raid_number;
2829 raid->type = AR_T_RAID01;
2830 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors;
2831 raid->width = meta->configs[raid_entry].raid.array_width;
2832 break;
2833
2834 default:
2835 device_printf(parent, "LSI v2 unknown RAID type 0x%02x\n",
2836 meta->configs[raid_entry].raid.type);
2837 kfree(raidp[array], M_AR);
2838 raidp[array] = NULL;
2839 goto lsiv2_out;
2840 }
2841
2842 raid->format = AR_F_LSIV2_RAID;
2843 raid->generation = 0;
2844 raid->total_disks = meta->configs[raid_entry].raid.disk_count;
2845 raid->total_sectors = meta->configs[raid_entry].raid.total_sectors;
2846 raid->heads = 255;
2847 raid->sectors = 63;
2848 raid->cylinders = raid->total_sectors / (63 * 255);
2849 raid->offset_sectors = 0;
2850 raid->rebuild_lba = 0;
2851 raid->lun = array;
2852
2853 if (meta->configs[conf_entry].disk.device != LSIV2_D_NONE) {
2854 raid->disks[meta->disk_number].dev = parent;
2855 raid->disks[meta->disk_number].sectors =
2856 meta->configs[conf_entry].disk.disk_sectors;
2857 raid->disks[meta->disk_number].flags =
2858 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
2859 ars->raid[raid->volume] = raid;
2860 ars->disk_number[raid->volume] = meta->disk_number;
2861 retval = 1;
2862 }
2863 else
2864 raid->disks[meta->disk_number].flags &= ~AR_DF_ONLINE;
2865
2866 break;
2867 }
2868
2869 lsiv2_out:
2870 kfree(meta, M_AR);
2871 return retval;
2872 }
2873
2874 /* LSILogic V3 MegaRAID Metadata */
2875 static int
2876 ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp)
2877 {
2878 struct ata_raid_subdisk *ars = device_get_softc(dev);
2879 device_t parent = device_get_parent(dev);
2880 struct lsiv3_raid_conf *meta;
2881 struct ar_softc *raid = NULL;
2882 u_int8_t checksum, *ptr;
2883 int array, entry, count, disk_number, retval = 0;
2884
2885 meta = (struct lsiv3_raid_conf *)kmalloc(sizeof(struct lsiv3_raid_conf),
2886 M_AR, M_WAITOK | M_ZERO);
2887
2888 if (ata_raid_rw(parent, LSIV3_LBA(parent),
2889 meta, sizeof(struct lsiv3_raid_conf), ATA_R_READ)) {
2890 if (testing || bootverbose)
2891 device_printf(parent, "LSI (v3) read metadata failed\n");
2892 goto lsiv3_out;
2893 }
2894
2895 /* check if this is a LSI RAID struct */
2896 if (strncmp(meta->lsi_id, LSIV3_MAGIC, strlen(LSIV3_MAGIC))) {
2897 if (testing || bootverbose)
2898 device_printf(parent, "LSI (v3) check1 failed\n");
2899 goto lsiv3_out;
2900 }
2901
2902 /* check if the checksum is OK */
2903 for (checksum = 0, ptr = meta->lsi_id, count = 0; count < 512; count++)
2904 checksum += *ptr++;
2905 if (checksum) {
2906 if (testing || bootverbose)
2907 device_printf(parent, "LSI (v3) check2 failed\n");
2908 goto lsiv3_out;
2909 }
2910
2911 if (testing || bootverbose)
2912 ata_raid_lsiv3_print_meta(meta);
2913
2914 /* now convert LSI (v3) config meta into our generic form */
2915 for (array = 0, entry = 0; array < MAX_ARRAYS && entry < 8;) {
2916 if (!raidp[array]) {
2917 raidp[array] =
2918 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
2919 M_WAITOK | M_ZERO);
2920 }
2921 raid = raidp[array];
2922 if (raid->format && (raid->format != AR_F_LSIV3_RAID)) {
2923 array++;
2924 continue;
2925 }
2926
2927 if ((raid->format == AR_F_LSIV3_RAID) &&
2928 (raid->magic_0 != meta->timestamp)) {
2929 array++;
2930 continue;
2931 }
2932
2933 switch (meta->raid[entry].total_disks) {
2934 case 0:
2935 entry++;
2936 continue;
2937 case 1:
2938 if (meta->raid[entry].device == meta->device) {
2939 disk_number = 0;
2940 break;
2941 }
2942 if (raid->format)
2943 array++;
2944 entry++;
2945 continue;
2946 case 2:
2947 disk_number = (meta->device & (LSIV3_D_DEVICE|LSIV3_D_CHANNEL))?1:0;
2948 break;
2949 default:
2950 device_printf(parent, "lsiv3 > 2 disk support untested!!\n");
2951 disk_number = (meta->device & LSIV3_D_DEVICE ? 1 : 0) +
2952 (meta->device & LSIV3_D_CHANNEL ? 2 : 0);
2953 break;
2954 }
2955
2956 switch (meta->raid[entry].type) {
2957 case LSIV3_T_RAID0:
2958 raid->type = AR_T_RAID0;
2959 raid->width = meta->raid[entry].total_disks;
2960 break;
2961
2962 case LSIV3_T_RAID1:
2963 raid->type = AR_T_RAID1;
2964 raid->width = meta->raid[entry].array_width;
2965 break;
2966
2967 default:
2968 device_printf(parent, "LSI v3 unknown RAID type 0x%02x\n",
2969 meta->raid[entry].type);
2970 kfree(raidp[array], M_AR);
2971 raidp[array] = NULL;
2972 entry++;
2973 continue;
2974 }
2975
2976 raid->magic_0 = meta->timestamp;
2977 raid->format = AR_F_LSIV3_RAID;
2978 raid->generation = 0;
2979 raid->interleave = meta->raid[entry].stripe_pages * 8;
2980 raid->total_disks = meta->raid[entry].total_disks;
2981 raid->total_sectors = raid->width * meta->raid[entry].sectors;
2982 raid->heads = 255;
2983 raid->sectors = 63;
2984 raid->cylinders = raid->total_sectors / (63 * 255);
2985 raid->offset_sectors = meta->raid[entry].offset;
2986 raid->rebuild_lba = 0;
2987 raid->lun = array;
2988
2989 raid->disks[disk_number].dev = parent;
2990 raid->disks[disk_number].sectors = raid->total_sectors / raid->width;
2991 raid->disks[disk_number].flags =
2992 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
2993 ars->raid[raid->volume] = raid;
2994 ars->disk_number[raid->volume] = disk_number;
2995 retval = 1;
2996 entry++;
2997 array++;
2998 }
2999
3000 lsiv3_out:
3001 kfree(meta, M_AR);
3002 return retval;
3003 }
3004
3005 /* nVidia MediaShield Metadata */
3006 static int
3007 ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp)
3008 {
3009 struct ata_raid_subdisk *ars = device_get_softc(dev);
3010 device_t parent = device_get_parent(dev);
3011 struct nvidia_raid_conf *meta;
3012 struct ar_softc *raid = NULL;
3013 u_int32_t checksum, *ptr;
3014 int array, count, retval = 0;
3015
3016 meta = (struct nvidia_raid_conf *)kmalloc(sizeof(struct nvidia_raid_conf),
3017 M_AR, M_WAITOK | M_ZERO);
3018
3019 if (ata_raid_rw(parent, NVIDIA_LBA(parent),
3020 meta, sizeof(struct nvidia_raid_conf), ATA_R_READ)) {
3021 if (testing || bootverbose)
3022 device_printf(parent, "nVidia read metadata failed\n");
3023 goto nvidia_out;
3024 }
3025
3026 /* check if this is a nVidia RAID struct */
3027 if (strncmp(meta->nvidia_id, NV_MAGIC, strlen(NV_MAGIC))) {
3028 if (testing || bootverbose)
3029 device_printf(parent, "nVidia check1 failed\n");
3030 goto nvidia_out;
3031 }
3032
3033 /* check if the checksum is OK */
3034 for (checksum = 0, ptr = (u_int32_t*)meta, count = 0;
3035 count < meta->config_size; count++)
3036 checksum += *ptr++;
3037 if (checksum) {
3038 if (testing || bootverbose)
3039 device_printf(parent, "nVidia check2 failed\n");
3040 goto nvidia_out;
3041 }
3042
3043 if (testing || bootverbose)
3044 ata_raid_nvidia_print_meta(meta);
3045
3046 /* now convert nVidia meta into our generic form */
3047 for (array = 0; array < MAX_ARRAYS; array++) {
3048 if (!raidp[array]) {
3049 raidp[array] =
3050 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
3051 M_WAITOK | M_ZERO);
3052 }
3053 raid = raidp[array];
3054 if (raid->format && (raid->format != AR_F_NVIDIA_RAID))
3055 continue;
3056
3057 if (raid->format == AR_F_NVIDIA_RAID &&
3058 ((raid->magic_0 != meta->magic_1) ||
3059 (raid->magic_1 != meta->magic_2))) {
3060 continue;
3061 }
3062
3063 switch (meta->type) {
3064 case NV_T_SPAN:
3065 raid->type = AR_T_SPAN;
3066 break;
3067
3068 case NV_T_RAID0:
3069 raid->type = AR_T_RAID0;
3070 break;
3071
3072 case NV_T_RAID1:
3073 raid->type = AR_T_RAID1;
3074 break;
3075
3076 case NV_T_RAID5:
3077 raid->type = AR_T_RAID5;
3078 break;
3079
3080 case NV_T_RAID01:
3081 raid->type = AR_T_RAID01;
3082 break;
3083
3084 default:
3085 device_printf(parent, "nVidia unknown RAID type 0x%02x\n",
3086 meta->type);
3087 kfree(raidp[array], M_AR);
3088 raidp[array] = NULL;
3089 goto nvidia_out;
3090 }
3091 raid->magic_0 = meta->magic_1;
3092 raid->magic_1 = meta->magic_2;
3093 raid->format = AR_F_NVIDIA_RAID;
3094 raid->generation = 0;
3095 raid->interleave = meta->stripe_sectors;
3096 raid->width = meta->array_width;
3097 raid->total_disks = meta->total_disks;
3098 raid->total_sectors = meta->total_sectors;
3099 raid->heads = 255;
3100 raid->sectors = 63;
3101 raid->cylinders = raid->total_sectors / (63 * 255);
3102 raid->offset_sectors = 0;
3103 raid->rebuild_lba = meta->rebuild_lba;
3104 raid->lun = array;
3105 raid->status = AR_S_READY;
3106 if (meta->status & NV_S_DEGRADED)
3107 raid->status |= AR_S_DEGRADED;
3108
3109 raid->disks[meta->disk_number].dev = parent;
3110 raid->disks[meta->disk_number].sectors =
3111 raid->total_sectors / raid->width;
3112 raid->disks[meta->disk_number].flags =
3113 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
3114 ars->raid[raid->volume] = raid;
3115 ars->disk_number[raid->volume] = meta->disk_number;
3116 retval = 1;
3117 break;
3118 }
3119
3120 nvidia_out:
3121 kfree(meta, M_AR);
3122 return retval;
3123 }
3124
3125 /* Promise FastTrak Metadata */
3126 static int
3127 ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native)
3128 {
3129 struct ata_raid_subdisk *ars = device_get_softc(dev);
3130 device_t parent = device_get_parent(dev);
3131 struct promise_raid_conf *meta;
3132 struct ar_softc *raid;
3133 u_int32_t checksum, *ptr;
3134 int array, count, disk, disksum = 0, retval = 0;
3135
3136 meta = (struct promise_raid_conf *)
3137 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK | M_ZERO);
3138
3139 if (ata_raid_rw(parent, PROMISE_LBA(parent),
3140 meta, sizeof(struct promise_raid_conf), ATA_R_READ)) {
3141 if (testing || bootverbose)
3142 device_printf(parent, "%s read metadata failed\n",
3143 native ? "FreeBSD" : "Promise");
3144 goto promise_out;
3145 }
3146
3147 /* check the signature */
3148 if (native) {
3149 if (strncmp(meta->promise_id, ATA_MAGIC, strlen(ATA_MAGIC))) {
3150 if (testing || bootverbose)
3151 device_printf(parent, "FreeBSD check1 failed\n");
3152 goto promise_out;
3153 }
3154 }
3155 else {
3156 if (strncmp(meta->promise_id, PR_MAGIC, strlen(PR_MAGIC))) {
3157 if (testing || bootverbose)
3158 device_printf(parent, "Promise check1 failed\n");
3159 goto promise_out;
3160 }
3161 }
3162
3163 /* check if the checksum is OK */
3164 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; count < 511; count++)
3165 checksum += *ptr++;
3166 if (checksum != *ptr) {
3167 if (testing || bootverbose)
3168 device_printf(parent, "%s check2 failed\n",
3169 native ? "FreeBSD" : "Promise");
3170 goto promise_out;
3171 }
3172
3173 /* check on disk integrity status */
3174 if (meta->raid.integrity != PR_I_VALID) {
3175 if (testing || bootverbose)
3176 device_printf(parent, "%s check3 failed\n",
3177 native ? "FreeBSD" : "Promise");
3178 goto promise_out;
3179 }
3180
3181 if (testing || bootverbose)
3182 ata_raid_promise_print_meta(meta);
3183
3184 /* now convert Promise metadata into our generic form */
3185 for (array = 0; array < MAX_ARRAYS; array++) {
3186 if (!raidp[array]) {
3187 raidp[array] =
3188 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
3189 M_WAITOK | M_ZERO);
3190 }
3191 raid = raidp[array];
3192 if (raid->format &&
3193 (raid->format != (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID)))
3194 continue;
3195
3196 if ((raid->format == (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))&&
3197 !(meta->raid.magic_1 == (raid->magic_1)))
3198 continue;
3199
3200 /* update our knowledge about the array config based on generation */
3201 if (!meta->raid.generation || meta->raid.generation > raid->generation){
3202 switch (meta->raid.type) {
3203 case PR_T_SPAN:
3204 raid->type = AR_T_SPAN;
3205 break;
3206
3207 case PR_T_JBOD:
3208 raid->type = AR_T_JBOD;
3209 break;
3210
3211 case PR_T_RAID0:
3212 raid->type = AR_T_RAID0;
3213 break;
3214
3215 case PR_T_RAID1:
3216 raid->type = AR_T_RAID1;
3217 if (meta->raid.array_width > 1)
3218 raid->type = AR_T_RAID01;
3219 break;
3220
3221 case PR_T_RAID5:
3222 raid->type = AR_T_RAID5;
3223 break;
3224
3225 default:
3226 device_printf(parent, "%s unknown RAID type 0x%02x\n",
3227 native ? "FreeBSD" : "Promise", meta->raid.type);
3228 kfree(raidp[array], M_AR);
3229 raidp[array] = NULL;
3230 goto promise_out;
3231 }
3232 raid->magic_1 = meta->raid.magic_1;
3233 raid->format = (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID);
3234 raid->generation = meta->raid.generation;
3235 raid->interleave = 1 << meta->raid.stripe_shift;
3236 raid->width = meta->raid.array_width;
3237 raid->total_disks = meta->raid.total_disks;
3238 raid->heads = meta->raid.heads + 1;
3239 raid->sectors = meta->raid.sectors;
3240 raid->cylinders = meta->raid.cylinders + 1;
3241 raid->total_sectors = meta->raid.total_sectors;
3242 raid->offset_sectors = 0;
3243 raid->rebuild_lba = meta->raid.rebuild_lba;
3244 raid->lun = array;
3245 if ((meta->raid.status &
3246 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) ==
3247 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) {
3248 raid->status |= AR_S_READY;
3249 if (meta->raid.status & PR_S_DEGRADED)
3250 raid->status |= AR_S_DEGRADED;
3251 }
3252 else
3253 raid->status &= ~AR_S_READY;
3254
3255 /* convert disk flags to our internal types */
3256 for (disk = 0; disk < meta->raid.total_disks; disk++) {
3257 raid->disks[disk].dev = NULL;
3258 raid->disks[disk].flags = 0;
3259 *((u_int64_t *)(raid->disks[disk].serial)) =
3260 meta->raid.disk[disk].magic_0;
3261 disksum += meta->raid.disk[disk].flags;
3262 if (meta->raid.disk[disk].flags & PR_F_ONLINE)
3263 raid->disks[disk].flags |= AR_DF_ONLINE;
3264 if (meta->raid.disk[disk].flags & PR_F_ASSIGNED)
3265 raid->disks[disk].flags |= AR_DF_ASSIGNED;
3266 if (meta->raid.disk[disk].flags & PR_F_SPARE) {
3267 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED);
3268 raid->disks[disk].flags |= AR_DF_SPARE;
3269 }
3270 if (meta->raid.disk[disk].flags & (PR_F_REDIR | PR_F_DOWN))
3271 raid->disks[disk].flags &= ~AR_DF_ONLINE;
3272 }
3273 if (!disksum) {
3274 device_printf(parent, "%s subdisks has no flags\n",
3275 native ? "FreeBSD" : "Promise");
3276 kfree(raidp[array], M_AR);
3277 raidp[array] = NULL;
3278 goto promise_out;
3279 }
3280 }
3281 if (meta->raid.generation >= raid->generation) {
3282 int disk_number = meta->raid.disk_number;
3283
3284 if (raid->disks[disk_number].flags && (meta->magic_0 ==
3285 *((u_int64_t *)(raid->disks[disk_number].serial)))) {
3286 raid->disks[disk_number].dev = parent;
3287 raid->disks[disk_number].flags |= AR_DF_PRESENT;
3288 raid->disks[disk_number].sectors = meta->raid.disk_sectors;
3289 if ((raid->disks[disk_number].flags &
3290 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) ==
3291 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) {
3292 ars->raid[raid->volume] = raid;
3293 ars->disk_number[raid->volume] = disk_number;
3294 retval = 1;
3295 }
3296 }
3297 }
3298 break;
3299 }
3300
3301 promise_out:
3302 kfree(meta, M_AR);
3303 return retval;
3304 }
3305
3306 static int
3307 ata_raid_promise_write_meta(struct ar_softc *rdp)
3308 {
3309 struct promise_raid_conf *meta;
3310 struct timeval timestamp;
3311 u_int32_t *ckptr;
3312 int count, disk, drive, error = 0;
3313
3314 meta = (struct promise_raid_conf *)
3315 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK);
3316
3317 rdp->generation++;
3318 microtime(&timestamp);
3319
3320 for (disk = 0; disk < rdp->total_disks; disk++) {
3321 for (count = 0; count < sizeof(struct promise_raid_conf); count++)
3322 *(((u_int8_t *)meta) + count) = 255 - (count % 256);
3323 meta->dummy_0 = 0x00020000;
3324 meta->raid.disk_number = disk;
3325
3326 if (rdp->disks[disk].dev) {
3327 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev);
3328 struct ata_channel *ch =
3329 device_get_softc(device_get_parent(rdp->disks[disk].dev));
3330
3331 meta->raid.channel = ch->unit;
3332 meta->raid.device = ATA_DEV(atadev->unit);
3333 meta->raid.disk_sectors = rdp->disks[disk].sectors;
3334 meta->raid.disk_offset = rdp->offset_sectors;
3335 }
3336 else {
3337 meta->raid.channel = 0;
3338 meta->raid.device = 0;
3339 meta->raid.disk_sectors = 0;
3340 meta->raid.disk_offset = 0;
3341 }
3342 meta->magic_0 = PR_MAGIC0(meta->raid) | timestamp.tv_sec;
3343 meta->magic_1 = timestamp.tv_sec >> 16;
3344 meta->magic_2 = timestamp.tv_sec;
3345 meta->raid.integrity = PR_I_VALID;
3346 meta->raid.magic_0 = meta->magic_0;
3347 meta->raid.rebuild_lba = rdp->rebuild_lba;
3348 meta->raid.generation = rdp->generation;
3349
3350 if (rdp->status & AR_S_READY) {
3351 meta->raid.flags = (PR_F_VALID | PR_F_ASSIGNED | PR_F_ONLINE);
3352 meta->raid.status =
3353 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY);
3354 if (rdp->status & AR_S_DEGRADED)
3355 meta->raid.status |= PR_S_DEGRADED;
3356 else
3357 meta->raid.status |= PR_S_FUNCTIONAL;
3358 }
3359 else {
3360 meta->raid.flags = PR_F_DOWN;
3361 meta->raid.status = 0;
3362 }
3363
3364 switch (rdp->type) {
3365 case AR_T_RAID0:
3366 meta->raid.type = PR_T_RAID0;
3367 break;
3368 case AR_T_RAID1:
3369 meta->raid.type = PR_T_RAID1;
3370 break;
3371 case AR_T_RAID01:
3372 meta->raid.type = PR_T_RAID1;
3373 break;
3374 case AR_T_RAID5:
3375 meta->raid.type = PR_T_RAID5;
3376 break;
3377 case AR_T_SPAN:
3378 meta->raid.type = PR_T_SPAN;
3379 break;
3380 case AR_T_JBOD:
3381 meta->raid.type = PR_T_JBOD;
3382 break;
3383 default:
3384 kfree(meta, M_AR);
3385 return ENODEV;
3386 }
3387
3388 meta->raid.total_disks = rdp->total_disks;
3389 meta->raid.stripe_shift = ffs(rdp->interleave) - 1;
3390 meta->raid.array_width = rdp->width;
3391 meta->raid.array_number = rdp->lun;
3392 meta->raid.total_sectors = rdp->total_sectors;
3393 meta->raid.cylinders = rdp->cylinders - 1;
3394 meta->raid.heads = rdp->heads - 1;
3395 meta->raid.sectors = rdp->sectors;
3396 meta->raid.magic_1 = (u_int64_t)meta->magic_2<<16 | meta->magic_1;
3397
3398 bzero(&meta->raid.disk, 8 * 12);
3399 for (drive = 0; drive < rdp->total_disks; drive++) {
3400 meta->raid.disk[drive].flags = 0;
3401 if (rdp->disks[drive].flags & AR_DF_PRESENT)
3402 meta->raid.disk[drive].flags |= PR_F_VALID;
3403 if (rdp->disks[drive].flags & AR_DF_ASSIGNED)
3404 meta->raid.disk[drive].flags |= PR_F_ASSIGNED;
3405 if (rdp->disks[drive].flags & AR_DF_ONLINE)
3406 meta->raid.disk[drive].flags |= PR_F_ONLINE;
3407 else
3408 if (rdp->disks[drive].flags & AR_DF_PRESENT)
3409 meta->raid.disk[drive].flags = (PR_F_REDIR | PR_F_DOWN);
3410 if (rdp->disks[drive].flags & AR_DF_SPARE)
3411 meta->raid.disk[drive].flags |= PR_F_SPARE;
3412 meta->raid.disk[drive].dummy_0 = 0x0;
3413 if (rdp->disks[drive].dev) {
3414 struct ata_channel *ch =
3415 device_get_softc(device_get_parent(rdp->disks[drive].dev));
3416 struct ata_device *atadev =
3417 device_get_softc(rdp->disks[drive].dev);
3418
3419 meta->raid.disk[drive].channel = ch->unit;
3420 meta->raid.disk[drive].device = ATA_DEV(atadev->unit);
3421 }
3422 meta->raid.disk[drive].magic_0 =
3423 PR_MAGIC0(meta->raid.disk[drive]) | timestamp.tv_sec;
3424 }
3425
3426 if (rdp->disks[disk].dev) {
3427 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) ==
3428 (AR_DF_PRESENT | AR_DF_ONLINE)) {
3429 if (rdp->format == AR_F_FREEBSD_RAID)
3430 bcopy(ATA_MAGIC, meta->promise_id, sizeof(ATA_MAGIC));
3431 else
3432 bcopy(PR_MAGIC, meta->promise_id, sizeof(PR_MAGIC));
3433 }
3434 else
3435 bzero(meta->promise_id, sizeof(meta->promise_id));
3436 meta->checksum = 0;
3437 for (ckptr = (int32_t *)meta, count = 0; count < 511; count++)
3438 meta->checksum += *ckptr++;
3439 if (testing || bootverbose)
3440 ata_raid_promise_print_meta(meta);
3441 if (ata_raid_rw(rdp->disks[disk].dev,
3442 PROMISE_LBA(rdp->disks[disk].dev),
3443 meta, sizeof(struct promise_raid_conf),
3444 ATA_R_WRITE | ATA_R_DIRECT)) {
3445 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
3446 error = EIO;
3447 }
3448 }
3449 }
3450 kfree(meta, M_AR);
3451 return error;
3452 }
3453
3454 /* Silicon Image Medley Metadata */
3455 static int
3456 ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp)
3457 {
3458 struct ata_raid_subdisk *ars = device_get_softc(dev);
3459 device_t parent = device_get_parent(dev);
3460 struct sii_raid_conf *meta;
3461 struct ar_softc *raid = NULL;
3462 u_int16_t checksum, *ptr;
3463 int array, count, disk, retval = 0;
3464
3465 meta = (struct sii_raid_conf *)kmalloc(sizeof(struct sii_raid_conf), M_AR,
3466 M_WAITOK | M_ZERO);
3467
3468 if (ata_raid_rw(parent, SII_LBA(parent),
3469 meta, sizeof(struct sii_raid_conf), ATA_R_READ)) {
3470 if (testing || bootverbose)
3471 device_printf(parent, "Silicon Image read metadata failed\n");
3472 goto sii_out;
3473 }
3474
3475 /* check if this is a Silicon Image (Medley) RAID struct */
3476 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 160; count++)
3477 checksum += *ptr++;
3478 if (checksum) {
3479 if (testing || bootverbose)
3480 device_printf(parent, "Silicon Image check1 failed\n");
3481 goto sii_out;
3482 }
3483
3484 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 256; count++)
3485 checksum += *ptr++;
3486 if (checksum != meta->checksum_1) {
3487 if (testing || bootverbose)
3488 device_printf(parent, "Silicon Image check2 failed\n");
3489 goto sii_out;
3490 }
3491
3492 /* check verison */
3493 if (meta->version_major != 0x0002 ||
3494 (meta->version_minor != 0x0000 && meta->version_minor != 0x0001)) {
3495 if (testing || bootverbose)
3496 device_printf(parent, "Silicon Image check3 failed\n");
3497 goto sii_out;
3498 }
3499
3500 if (testing || bootverbose)
3501 ata_raid_sii_print_meta(meta);
3502
3503 /* now convert Silicon Image meta into our generic form */
3504 for (array = 0; array < MAX_ARRAYS; array++) {
3505 if (!raidp[array]) {
3506 raidp[array] =
3507 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
3508 M_WAITOK | M_ZERO);
3509 }
3510 raid = raidp[array];
3511 if (raid->format && (raid->format != AR_F_SII_RAID))
3512 continue;
3513
3514 if (raid->format == AR_F_SII_RAID &&
3515 (raid->magic_0 != *((u_int64_t *)meta->timestamp))) {
3516 continue;
3517 }
3518
3519 /* update our knowledge about the array config based on generation */
3520 if (!meta->generation || meta->generation > raid->generation) {
3521 switch (meta->type) {
3522 case SII_T_RAID0:
3523 raid->type = AR_T_RAID0;
3524 break;
3525
3526 case SII_T_RAID1:
3527 raid->type = AR_T_RAID1;
3528 break;
3529
3530 case SII_T_RAID01:
3531 raid->type = AR_T_RAID01;
3532 break;
3533
3534 case SII_T_SPARE:
3535 device_printf(parent, "Silicon Image SPARE disk\n");
3536 kfree(raidp[array], M_AR);
3537 raidp[array] = NULL;
3538 goto sii_out;
3539
3540 default:
3541 device_printf(parent,"Silicon Image unknown RAID type 0x%02x\n",
3542 meta->type);
3543 kfree(raidp[array], M_AR);
3544 raidp[array] = NULL;
3545 goto sii_out;
3546 }
3547 raid->magic_0 = *((u_int64_t *)meta->timestamp);
3548 raid->format = AR_F_SII_RAID;
3549 raid->generation = meta->generation;
3550 raid->interleave = meta->stripe_sectors;
3551 raid->width = (meta->raid0_disks != 0xff) ? meta->raid0_disks : 1;
3552 raid->total_disks =
3553 ((meta->raid0_disks != 0xff) ? meta->raid0_disks : 0) +
3554 ((meta->raid1_disks != 0xff) ? meta->raid1_disks : 0);
3555 raid->total_sectors = meta->total_sectors;
3556 raid->heads = 255;
3557 raid->sectors = 63;
3558 raid->cylinders = raid->total_sectors / (63 * 255);
3559 raid->offset_sectors = 0;
3560 raid->rebuild_lba = meta->rebuild_lba;
3561 raid->lun = array;
3562 strncpy(raid->name, meta->name,
3563 min(sizeof(raid->name), sizeof(meta->name)));
3564
3565 /* clear out any old info */
3566 if (raid->generation) {
3567 for (disk = 0; disk < raid->total_disks; disk++) {
3568 raid->disks[disk].dev = NULL;
3569 raid->disks[disk].flags = 0;
3570 }
3571 }
3572 }
3573 if (meta->generation >= raid->generation) {
3574 /* XXX SOS add check for the right physical disk by serial# */
3575 if (meta->status & SII_S_READY) {
3576 int disk_number = (raid->type == AR_T_RAID01) ?
3577 meta->raid1_ident + (meta->raid0_ident << 1) :
3578 meta->disk_number;
3579
3580 raid->disks[disk_number].dev = parent;
3581 raid->disks[disk_number].sectors =
3582 raid->total_sectors / raid->width;
3583 raid->disks[disk_number].flags =
3584 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
3585 ars->raid[raid->volume] = raid;
3586 ars->disk_number[raid->volume] = disk_number;
3587 retval = 1;
3588 }
3589 }
3590 break;
3591 }
3592
3593 sii_out:
3594 kfree(meta, M_AR);
3595 return retval;
3596 }
3597
3598 /* Silicon Integrated Systems Metadata */
3599 static int
3600 ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp)
3601 {
3602 struct ata_raid_subdisk *ars = device_get_softc(dev);
3603 device_t parent = device_get_parent(dev);
3604 struct sis_raid_conf *meta;
3605 struct ar_softc *raid = NULL;
3606 int array, disk_number, drive, retval = 0;
3607
3608 meta = (struct sis_raid_conf *)kmalloc(sizeof(struct sis_raid_conf), M_AR,
3609 M_WAITOK | M_ZERO);
3610
3611 if (ata_raid_rw(parent, SIS_LBA(parent),
3612 meta, sizeof(struct sis_raid_conf), ATA_R_READ)) {
3613 if (testing || bootverbose)
3614 device_printf(parent,
3615 "Silicon Integrated Systems read metadata failed\n");
3616 }
3617
3618 /* check for SiS magic */
3619 if (meta->magic != SIS_MAGIC) {
3620 if (testing || bootverbose)
3621 device_printf(parent,
3622 "Silicon Integrated Systems check1 failed\n");
3623 goto sis_out;
3624 }
3625
3626 if (testing || bootverbose)
3627 ata_raid_sis_print_meta(meta);
3628
3629 /* now convert SiS meta into our generic form */
3630 for (array = 0; array < MAX_ARRAYS; array++) {
3631 if (!raidp[array]) {
3632 raidp[array] =
3633 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
3634 M_WAITOK | M_ZERO);
3635 }
3636
3637 raid = raidp[array];
3638 if (raid->format && (raid->format != AR_F_SIS_RAID))
3639 continue;
3640
3641 if ((raid->format == AR_F_SIS_RAID) &&
3642 ((raid->magic_0 != meta->controller_pci_id) ||
3643 (raid->magic_1 != meta->timestamp))) {
3644 continue;
3645 }
3646
3647 switch (meta->type_total_disks & SIS_T_MASK) {
3648 case SIS_T_JBOD:
3649 raid->type = AR_T_JBOD;
3650 raid->width = (meta->type_total_disks & SIS_D_MASK);
3651 raid->total_sectors += SIS_LBA(parent);
3652 break;
3653
3654 case SIS_T_RAID0:
3655 raid->type = AR_T_RAID0;
3656 raid->width = (meta->type_total_disks & SIS_D_MASK);
3657 if (!raid->total_sectors ||
3658 (raid->total_sectors > (raid->width * SIS_LBA(parent))))
3659 raid->total_sectors = raid->width * SIS_LBA(parent);
3660 break;
3661
3662 case SIS_T_RAID1:
3663 raid->type = AR_T_RAID1;
3664 raid->width = 1;
3665 if (!raid->total_sectors || (raid->total_sectors > SIS_LBA(parent)))
3666 raid->total_sectors = SIS_LBA(parent);
3667 break;
3668
3669 default:
3670 device_printf(parent, "Silicon Integrated Systems "
3671 "unknown RAID type 0x%08x\n", meta->magic);
3672 kfree(raidp[array], M_AR);
3673 raidp[array] = NULL;
3674 goto sis_out;
3675 }
3676 raid->magic_0 = meta->controller_pci_id;
3677 raid->magic_1 = meta->timestamp;
3678 raid->format = AR_F_SIS_RAID;
3679 raid->generation = 0;
3680 raid->interleave = meta->stripe_sectors;
3681 raid->total_disks = (meta->type_total_disks & SIS_D_MASK);
3682 raid->heads = 255;
3683 raid->sectors = 63;
3684 raid->cylinders = raid->total_sectors / (63 * 255);
3685 raid->offset_sectors = 0;
3686 raid->rebuild_lba = 0;
3687 raid->lun = array;
3688 /* XXX SOS if total_disks > 2 this doesn't float */
3689 if (((meta->disks & SIS_D_MASTER) >> 4) == meta->disk_number)
3690 disk_number = 0;
3691 else
3692 disk_number = 1;
3693
3694 for (drive = 0; drive < raid->total_disks; drive++) {
3695 raid->disks[drive].sectors = raid->total_sectors/raid->width;
3696 if (drive == disk_number) {
3697 raid->disks[disk_number].dev = parent;
3698 raid->disks[disk_number].flags =
3699 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
3700 ars->raid[raid->volume] = raid;
3701 ars->disk_number[raid->volume] = disk_number;
3702 }
3703 }
3704 retval = 1;
3705 break;
3706 }
3707
3708 sis_out:
3709 kfree(meta, M_AR);
3710 return retval;
3711 }
3712
3713 static int
3714 ata_raid_sis_write_meta(struct ar_softc *rdp)
3715 {
3716 struct sis_raid_conf *meta;
3717 struct timeval timestamp;
3718 int disk, error = 0;
3719
3720 meta = (struct sis_raid_conf *)kmalloc(sizeof(struct sis_raid_conf), M_AR,
3721 M_WAITOK | M_ZERO);
3722
3723 rdp->generation++;
3724 microtime(&timestamp);
3725
3726 meta->magic = SIS_MAGIC;
3727 /* XXX SOS if total_disks > 2 this doesn't float */
3728 for (disk = 0; disk < rdp->total_disks; disk++) {
3729 if (rdp->disks[disk].dev) {
3730 struct ata_channel *ch =
3731 device_get_softc(device_get_parent(rdp->disks[disk].dev));
3732 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev);
3733 int disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1);
3734
3735 meta->disks |= disk_number << ((1 - disk) << 2);
3736 }
3737 }
3738 switch (rdp->type) {
3739 case AR_T_JBOD:
3740 meta->type_total_disks = SIS_T_JBOD;
3741 break;
3742
3743 case AR_T_RAID0:
3744 meta->type_total_disks = SIS_T_RAID0;
3745 break;
3746
3747 case AR_T_RAID1:
3748 meta->type_total_disks = SIS_T_RAID1;
3749 break;
3750
3751 default:
3752 kfree(meta, M_AR);
3753 return ENODEV;
3754 }
3755 meta->type_total_disks |= (rdp->total_disks & SIS_D_MASK);
3756 meta->stripe_sectors = rdp->interleave;
3757 meta->timestamp = timestamp.tv_sec;
3758
3759 for (disk = 0; disk < rdp->total_disks; disk++) {
3760 if (rdp->disks[disk].dev) {
3761 struct ata_channel *ch =
3762 device_get_softc(device_get_parent(rdp->disks[disk].dev));
3763 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev);
3764
3765 meta->controller_pci_id =
3766 (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev)) << 16) |
3767 pci_get_device(GRANDPARENT(rdp->disks[disk].dev));
3768 bcopy(atadev->param.model, meta->model, sizeof(meta->model));
3769
3770 /* XXX SOS if total_disks > 2 this may not float */
3771 meta->disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1);
3772
3773 if (testing || bootverbose)
3774 ata_raid_sis_print_meta(meta);
3775
3776 if (ata_raid_rw(rdp->disks[disk].dev,
3777 SIS_LBA(rdp->disks[disk].dev),
3778 meta, sizeof(struct sis_raid_conf),
3779 ATA_R_WRITE | ATA_R_DIRECT)) {
3780 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
3781 error = EIO;
3782 }
3783 }
3784 }
3785 kfree(meta, M_AR);
3786 return error;
3787 }
3788
3789 /* VIA Tech V-RAID Metadata */
3790 static int
3791 ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp)
3792 {
3793 struct ata_raid_subdisk *ars = device_get_softc(dev);
3794 device_t parent = device_get_parent(dev);
3795 struct via_raid_conf *meta;
3796 struct ar_softc *raid = NULL;
3797 u_int8_t checksum, *ptr;
3798 int array, count, disk, retval = 0;
3799
3800 meta = (struct via_raid_conf *)kmalloc(sizeof(struct via_raid_conf), M_AR,
3801 M_WAITOK | M_ZERO);
3802
3803 if (ata_raid_rw(parent, VIA_LBA(parent),
3804 meta, sizeof(struct via_raid_conf), ATA_R_READ)) {
3805 if (testing || bootverbose)
3806 device_printf(parent, "VIA read metadata failed\n");
3807 goto via_out;
3808 }
3809
3810 /* check if this is a VIA RAID struct */
3811 if (meta->magic != VIA_MAGIC) {
3812 if (testing || bootverbose)
3813 device_printf(parent, "VIA check1 failed\n");
3814 goto via_out;
3815 }
3816
3817 /* calculate checksum and compare for valid */
3818 for (checksum = 0, ptr = (u_int8_t *)meta, count = 0; count < 50; count++)
3819 checksum += *ptr++;
3820 if (checksum != meta->checksum) {
3821 if (testing || bootverbose)
3822 device_printf(parent, "VIA check2 failed\n");
3823 goto via_out;
3824 }
3825
3826 if (testing || bootverbose)
3827 ata_raid_via_print_meta(meta);
3828
3829 /* now convert VIA meta into our generic form */
3830 for (array = 0; array < MAX_ARRAYS; array++) {
3831 if (!raidp[array]) {
3832 raidp[array] =
3833 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
3834 M_WAITOK | M_ZERO);
3835 }
3836 raid = raidp[array];
3837 if (raid->format && (raid->format != AR_F_VIA_RAID))
3838 continue;
3839
3840 if (raid->format == AR_F_VIA_RAID && (raid->magic_0 != meta->disks[0]))
3841 continue;
3842
3843 switch (meta->type & VIA_T_MASK) {
3844 case VIA_T_RAID0:
3845 raid->type = AR_T_RAID0;
3846 raid->width = meta->stripe_layout & VIA_L_DISKS;
3847 if (!raid->total_sectors ||
3848 (raid->total_sectors > (raid->width * meta->disk_sectors)))
3849 raid->total_sectors = raid->width * meta->disk_sectors;
3850 break;
3851
3852 case VIA_T_RAID1:
3853 raid->type = AR_T_RAID1;
3854 raid->width = 1;
3855 raid->total_sectors = meta->disk_sectors;
3856 break;
3857
3858 case VIA_T_RAID01:
3859 raid->type = AR_T_RAID01;
3860 raid->width = meta->stripe_layout & VIA_L_DISKS;
3861 if (!raid->total_sectors ||
3862 (raid->total_sectors > (raid->width * meta->disk_sectors)))
3863 raid->total_sectors = raid->width * meta->disk_sectors;
3864 break;
3865
3866 case VIA_T_RAID5:
3867 raid->type = AR_T_RAID5;
3868 raid->width = meta->stripe_layout & VIA_L_DISKS;
3869 if (!raid->total_sectors ||
3870 (raid->total_sectors > ((raid->width - 1)*meta->disk_sectors)))
3871 raid->total_sectors = (raid->width - 1) * meta->disk_sectors;
3872 break;
3873
3874 case VIA_T_SPAN:
3875 raid->type = AR_T_SPAN;
3876 raid->width = 1;
3877 raid->total_sectors += meta->disk_sectors;
3878 break;
3879
3880 default:
3881 device_printf(parent,"VIA unknown RAID type 0x%02x\n", meta->type);
3882 kfree(raidp[array], M_AR);
3883 raidp[array] = NULL;
3884 goto via_out;
3885 }
3886 raid->magic_0 = meta->disks[0];
3887 raid->format = AR_F_VIA_RAID;
3888 raid->generation = 0;
3889 raid->interleave =
3890 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT);
3891 for (count = 0, disk = 0; disk < 8; disk++)
3892 if (meta->disks[disk])
3893 count++;
3894 raid->total_disks = count;
3895 raid->heads = 255;
3896 raid->sectors = 63;
3897 raid->cylinders = raid->total_sectors / (63 * 255);
3898 raid->offset_sectors = 0;
3899 raid->rebuild_lba = 0;
3900 raid->lun = array;
3901
3902 for (disk = 0; disk < raid->total_disks; disk++) {
3903 if (meta->disks[disk] == meta->disk_id) {
3904 raid->disks[disk].dev = parent;
3905 bcopy(&meta->disk_id, raid->disks[disk].serial,
3906 sizeof(u_int32_t));
3907 raid->disks[disk].sectors = meta->disk_sectors;
3908 raid->disks[disk].flags =
3909 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
3910 ars->raid[raid->volume] = raid;
3911 ars->disk_number[raid->volume] = disk;
3912 retval = 1;
3913 break;
3914 }
3915 }
3916 break;
3917 }
3918
3919 via_out:
3920 kfree(meta, M_AR);
3921 return retval;
3922 }
3923
3924 static int
3925 ata_raid_via_write_meta(struct ar_softc *rdp)
3926 {
3927 struct via_raid_conf *meta;
3928 int disk, error = 0;
3929
3930 meta = (struct via_raid_conf *)kmalloc(sizeof(struct via_raid_conf), M_AR,
3931 M_WAITOK | M_ZERO);
3932
3933 rdp->generation++;
3934
3935 meta->magic = VIA_MAGIC;
3936 meta->dummy_0 = 0x02;
3937 switch (rdp->type) {
3938 case AR_T_SPAN:
3939 meta->type = VIA_T_SPAN;
3940 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS);
3941 break;
3942
3943 case AR_T_RAID0:
3944 meta->type = VIA_T_RAID0;
3945 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK);
3946 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS);
3947 break;
3948
3949 case AR_T_RAID1:
3950 meta->type = VIA_T_RAID1;
3951 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS);
3952 break;
3953
3954 case AR_T_RAID5:
3955 meta->type = VIA_T_RAID5;
3956 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK);
3957 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS);
3958 break;
3959
3960 case AR_T_RAID01:
3961 meta->type = VIA_T_RAID01;
3962 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK);
3963 meta->stripe_layout |= (rdp->width & VIA_L_DISKS);
3964 break;
3965
3966 default:
3967 kfree(meta, M_AR);
3968 return ENODEV;
3969 }
3970 meta->type |= VIA_T_BOOTABLE; /* XXX SOS */
3971 meta->disk_sectors =
3972 rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5));
3973 for (disk = 0; disk < rdp->total_disks; disk++)
3974 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev;
3975
3976 for (disk = 0; disk < rdp->total_disks; disk++) {
3977 if (rdp->disks[disk].dev) {
3978 u_int8_t *ptr;
3979 int count;
3980
3981 meta->disk_index = disk * sizeof(u_int32_t);
3982 if (rdp->type == AR_T_RAID01)
3983 meta->disk_index = ((meta->disk_index & 0x08) << 2) |
3984 (meta->disk_index & ~0x08);
3985 meta->disk_id = meta->disks[disk];
3986 meta->checksum = 0;
3987 for (ptr = (u_int8_t *)meta, count = 0; count < 50; count++)
3988 meta->checksum += *ptr++;
3989
3990 if (testing || bootverbose)
3991 ata_raid_via_print_meta(meta);
3992
3993 if (ata_raid_rw(rdp->disks[disk].dev,
3994 VIA_LBA(rdp->disks[disk].dev),
3995 meta, sizeof(struct via_raid_conf),
3996 ATA_R_WRITE | ATA_R_DIRECT)) {
3997 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
3998 error = EIO;
3999 }
4000 }
4001 }
4002 kfree(meta, M_AR);
4003 return error;
4004 }
4005
4006 static struct ata_request *
4007 ata_raid_init_request(struct ar_softc *rdp, struct bio *bio)
4008 {
4009 struct ata_request *request;
4010
4011 if (!(request = ata_alloc_request())) {
4012 kprintf("FAILURE - out of memory in ata_raid_init_request\n");
4013 return NULL;
4014 }
4015 request->timeout = ATA_DEFAULT_TIMEOUT;
4016 request->retries = 2;
4017 request->callback = ata_raid_done;
4018 request->driver = rdp;
4019 request->bio = bio;
4020 switch (request->bio->bio_buf->b_cmd) {
4021 case BUF_CMD_READ:
4022 request->flags = ATA_R_READ;
4023 break;
4024 case BUF_CMD_WRITE:
4025 request->flags = ATA_R_WRITE;
4026 break;
4027 case BUF_CMD_FLUSH:
4028 request->flags = ATA_R_CONTROL;
4029 break;
4030 default:
4031 kprintf("ar%d: FAILURE - unknown BUF operation\n", rdp->lun);
4032 ata_free_request(request);
4033 #if 0
4034 bio->bio_buf->b_flags |= B_ERROR;
4035 bio->bio_buf->b_error = EIO;
4036 biodone(bio);
4037 #endif /* 0 */
4038 return(NULL);
4039 }
4040 return request;
4041 }
4042
4043 static int
4044 ata_raid_send_request(struct ata_request *request)
4045 {
4046 struct ata_device *atadev = device_get_softc(request->dev);
4047
4048 request->transfersize = min(request->bytecount, atadev->max_iosize);
4049 if (request->flags & ATA_R_READ) {
4050 if (atadev->mode >= ATA_DMA) {
4051 request->flags |= ATA_R_DMA;
4052 request->u.ata.command = ATA_READ_DMA;
4053 }
4054 else if (atadev->max_iosize > DEV_BSIZE)
4055 request->u.ata.command = ATA_READ_MUL;
4056 else
4057 request->u.ata.command = ATA_READ;
4058 }
4059 else if (request->flags & ATA_R_WRITE) {
4060 if (atadev->mode >= ATA_DMA) {
4061 request->flags |= ATA_R_DMA;
4062 request->u.ata.command = ATA_WRITE_DMA;
4063 }
4064 else if (atadev->max_iosize > DEV_BSIZE)
4065 request->u.ata.command = ATA_WRITE_MUL;
4066 else
4067 request->u.ata.command = ATA_WRITE;
4068 }
4069 else {
4070 device_printf(request->dev, "FAILURE - unknown IO operation\n");
4071 ata_free_request(request);
4072 return EIO;
4073 }
4074 request->flags |= (ATA_R_ORDERED | ATA_R_THREAD);
4075 ata_queue_request(request);
4076 return 0;
4077 }
4078
4079 static int
4080 ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags)
4081 {
4082 struct ata_device *atadev = device_get_softc(dev);
4083 struct ata_request *request;
4084 int error;
4085
4086 if (bcount % DEV_BSIZE) {
4087 device_printf(dev, "FAILURE - transfers must be modulo sectorsize\n");
4088 return ENOMEM;
4089 }
4090
4091 if (!(request = ata_alloc_request())) {
4092 device_printf(dev, "FAILURE - out of memory in ata_raid_rw\n");
4093 return ENOMEM;
4094 }
4095
4096 /* setup request */
4097 request->dev = dev;
4098 request->timeout = 10;
4099 request->retries = 0;
4100 request->data = data;
4101 request->bytecount = bcount;
4102 request->transfersize = DEV_BSIZE;
4103 request->u.ata.lba = lba;
4104 request->u.ata.count = request->bytecount / DEV_BSIZE;
4105 request->flags = flags;
4106
4107 if (flags & ATA_R_READ) {
4108 if (atadev->mode >= ATA_DMA) {
4109 request->u.ata.command = ATA_READ_DMA;
4110 request->flags |= ATA_R_DMA;
4111 }
4112 else
4113 request->u.ata.command = ATA_READ;
4114 ata_queue_request(request);
4115 }
4116 else if (flags & ATA_R_WRITE) {
4117 if (atadev->mode >= ATA_DMA) {
4118 request->u.ata.command = ATA_WRITE_DMA;
4119 request->flags |= ATA_R_DMA;
4120 }
4121 else
4122 request->u.ata.command = ATA_WRITE;
4123 ata_queue_request(request);
4124 }
4125 else {
4126 device_printf(dev, "FAILURE - unknown IO operation\n");
4127 request->result = EIO;
4128 }
4129 error = request->result;
4130 ata_free_request(request);
4131 return error;
4132 }
4133
4134 /*
4135 * module handeling
4136 */
4137 static int
4138 ata_raid_subdisk_probe(device_t dev)
4139 {
4140 device_quiet(dev);
4141 return 0;
4142 }
4143
4144 static int
4145 ata_raid_subdisk_attach(device_t dev)
4146 {
4147 struct ata_raid_subdisk *ars = device_get_softc(dev);
4148 int volume;
4149
4150 for (volume = 0; volume < MAX_VOLUMES; volume++) {
4151 ars->raid[volume] = NULL;
4152 ars->disk_number[volume] = -1;
4153 }
4154 ata_raid_read_metadata(dev);
4155 return 0;
4156 }
4157
4158 static int
4159 ata_raid_subdisk_detach(device_t dev)
4160 {
4161 struct ata_raid_subdisk *ars = device_get_softc(dev);
4162 int volume;
4163
4164 for (volume = 0; volume < MAX_VOLUMES; volume++) {
4165 if (ars->raid[volume]) {
4166 ars->raid[volume]->disks[ars->disk_number[volume]].flags &=
4167 ~(AR_DF_PRESENT | AR_DF_ONLINE);
4168 ars->raid[volume]->disks[ars->disk_number[volume]].dev = NULL;
4169 ata_raid_config_changed(ars->raid[volume], 1);
4170 ars->raid[volume] = NULL;
4171 ars->disk_number[volume] = -1;
4172 }
4173 }
4174 return 0;
4175 }
4176
4177 static device_method_t ata_raid_sub_methods[] = {
4178 /* device interface */
4179 DEVMETHOD(device_probe, ata_raid_subdisk_probe),
4180 DEVMETHOD(device_attach, ata_raid_subdisk_attach),
4181 DEVMETHOD(device_detach, ata_raid_subdisk_detach),
4182 DEVMETHOD_END
4183 };
4184
4185 static driver_t ata_raid_sub_driver = {
4186 "subdisk",
4187 ata_raid_sub_methods,
4188 sizeof(struct ata_raid_subdisk)
4189 };
4190
4191 DRIVER_MODULE(subdisk, ad, ata_raid_sub_driver, ata_raid_sub_devclass, NULL, NULL);
4192
4193 static int
4194 ata_raid_module_event_handler(module_t mod, int what, void *arg)
4195 {
4196 int i;
4197
4198 switch (what) {
4199 case MOD_LOAD:
4200 if (testing || bootverbose)
4201 kprintf("ATA PseudoRAID loaded\n");
4202 #if 0
4203 /* setup table to hold metadata for all ATA PseudoRAID arrays */
4204 ata_raid_arrays = kmalloc(sizeof(struct ar_soft *) * MAX_ARRAYS,
4205 M_AR, M_WAITOK | M_ZERO);
4206 #endif
4207 /* attach found PseudoRAID arrays */
4208 for (i = 0; i < MAX_ARRAYS; i++) {
4209 struct ar_softc *rdp = ata_raid_arrays[i];
4210
4211 if (!rdp || !rdp->format)
4212 continue;
4213 if (testing || bootverbose)
4214 ata_raid_print_meta(rdp);
4215 ata_raid_attach(rdp, 0);
4216 }
4217 ata_raid_ioctl_func = ata_raid_ioctl;
4218 return 0;
4219
4220 case MOD_UNLOAD:
4221 /* detach found PseudoRAID arrays */
4222 for (i = 0; i < MAX_ARRAYS; i++) {
4223 struct ar_softc *rdp = ata_raid_arrays[i];
4224
4225 if (!rdp || !rdp->status)
4226 continue;
4227 disk_destroy(&rdp->disk);
4228 }
4229 if (testing || bootverbose)
4230 kprintf("ATA PseudoRAID unloaded\n");
4231 #if 0
4232 kfree(ata_raid_arrays, M_AR);
4233 #endif
4234 ata_raid_ioctl_func = NULL;
4235 return 0;
4236
4237 default:
4238 return EOPNOTSUPP;
4239 }
4240 }
4241
4242 static moduledata_t ata_raid_moduledata =
4243 { "ataraid", ata_raid_module_event_handler, NULL };
4244 DECLARE_MODULE(ata, ata_raid_moduledata, SI_SUB_RAID, SI_ORDER_FIRST);
4245 MODULE_VERSION(ataraid, 1);
4246 MODULE_DEPEND(ataraid, ata, 1, 1, 1);
4247 MODULE_DEPEND(ataraid, ad, 1, 1, 1);
4248
4249 static char *
4250 ata_raid_format(struct ar_softc *rdp)
4251 {
4252 switch (rdp->format) {
4253 case AR_F_FREEBSD_RAID: return "FreeBSD PseudoRAID";
4254 case AR_F_ADAPTEC_RAID: return "Adaptec HostRAID";
4255 case AR_F_HPTV2_RAID: return "HighPoint v2 RocketRAID";
4256 case AR_F_HPTV3_RAID: return "HighPoint v3 RocketRAID";
4257 case AR_F_INTEL_RAID: return "Intel MatrixRAID";
4258 case AR_F_ITE_RAID: return "Integrated Technology Express";
4259 case AR_F_JMICRON_RAID: return "JMicron Technology Corp";
4260 case AR_F_LSIV2_RAID: return "LSILogic v2 MegaRAID";
4261 case AR_F_LSIV3_RAID: return "LSILogic v3 MegaRAID";
4262 case AR_F_NVIDIA_RAID: return "nVidia MediaShield";
4263 case AR_F_PROMISE_RAID: return "Promise Fasttrak";
4264 case AR_F_SII_RAID: return "Silicon Image Medley";
4265 case AR_F_SIS_RAID: return "Silicon Integrated Systems";
4266 case AR_F_VIA_RAID: return "VIA Tech V-RAID";
4267 default: return "UNKNOWN";
4268 }
4269 }
4270
4271 static char *
4272 ata_raid_type(struct ar_softc *rdp)
4273 {
4274 switch (rdp->type) {
4275 case AR_T_JBOD: return "JBOD";
4276 case AR_T_SPAN: return "SPAN";
4277 case AR_T_RAID0: return "RAID0";
4278 case AR_T_RAID1: return "RAID1";
4279 case AR_T_RAID3: return "RAID3";
4280 case AR_T_RAID4: return "RAID4";
4281 case AR_T_RAID5: return "RAID5";
4282 case AR_T_RAID01: return "RAID0+1";
4283 default: return "UNKNOWN";
4284 }
4285 }
4286
4287 static char *
4288 ata_raid_flags(struct ar_softc *rdp)
4289 {
4290 switch (rdp->status & (AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING)) {
4291 case AR_S_READY: return "READY";
4292 case AR_S_READY | AR_S_DEGRADED: return "DEGRADED";
4293 case AR_S_READY | AR_S_REBUILDING:
4294 case AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING: return "REBUILDING";
4295 default: return "BROKEN";
4296 }
4297 }
4298
4299 /* debugging gunk */
4300 static void
4301 ata_raid_print_meta(struct ar_softc *raid)
4302 {
4303 int i;
4304
4305 kprintf("********** ATA PseudoRAID ar%d Metadata **********\n", raid->lun);
4306 kprintf("=================================================\n");
4307 kprintf("format %s\n", ata_raid_format(raid));
4308 kprintf("type %s\n", ata_raid_type(raid));
4309 kprintf("flags 0x%02x %b\n", raid->status, raid->status,
4310 "\20\3REBUILDING\2DEGRADED\1READY\n");
4311 kprintf("magic_0 0x%016jx\n", raid->magic_0);
4312 kprintf("magic_1 0x%016jx\n",raid->magic_1);
4313 kprintf("generation %u\n", raid->generation);
4314 kprintf("total_sectors %ju\n", raid->total_sectors);
4315 kprintf("offset_sectors %ju\n", raid->offset_sectors);
4316 kprintf("heads %u\n", raid->heads);
4317 kprintf("sectors %u\n", raid->sectors);
4318 kprintf("cylinders %u\n", raid->cylinders);
4319 kprintf("width %u\n", raid->width);
4320 kprintf("interleave %u\n", raid->interleave);
4321 kprintf("total_disks %u\n", raid->total_disks);
4322 for (i = 0; i < raid->total_disks; i++) {
4323 kprintf(" disk %d: flags = 0x%02x %b\n", i, raid->disks[i].flags,
4324 raid->disks[i].flags, "\20\4ONLINE\3SPARE\2ASSIGNED\1PRESENT\n");
4325 if (raid->disks[i].dev) {
4326 kprintf(" ");
4327 device_printf(raid->disks[i].dev, " sectors %jd\n",
4328 raid->disks[i].sectors);
4329 }
4330 }
4331 kprintf("=================================================\n");
4332 }
4333
4334 static char *
4335 ata_raid_adaptec_type(int type)
4336 {
4337 static char buffer[16];
4338
4339 switch (type) {
4340 case ADP_T_RAID0: return "RAID0";
4341 case ADP_T_RAID1: return "RAID1";
4342 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4343 return buffer;
4344 }
4345 }
4346
4347 static void
4348 ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta)
4349 {
4350 int i;
4351
4352 kprintf("********* ATA Adaptec HostRAID Metadata *********\n");
4353 kprintf("magic_0 <0x%08x>\n", be32toh(meta->magic_0));
4354 kprintf("generation 0x%08x\n", be32toh(meta->generation));
4355 kprintf("dummy_0 0x%04x\n", be16toh(meta->dummy_0));
4356 kprintf("total_configs %u\n", be16toh(meta->total_configs));
4357 kprintf("dummy_1 0x%04x\n", be16toh(meta->dummy_1));
4358 kprintf("checksum 0x%04x\n", be16toh(meta->checksum));
4359 kprintf("dummy_2 0x%08x\n", be32toh(meta->dummy_2));
4360 kprintf("dummy_3 0x%08x\n", be32toh(meta->dummy_3));
4361 kprintf("flags 0x%08x\n", be32toh(meta->flags));
4362 kprintf("timestamp 0x%08x\n", be32toh(meta->timestamp));
4363 kprintf("dummy_4 0x%08x 0x%08x 0x%08x 0x%08x\n",
4364 be32toh(meta->dummy_4[0]), be32toh(meta->dummy_4[1]),
4365 be32toh(meta->dummy_4[2]), be32toh(meta->dummy_4[3]));
4366 kprintf("dummy_5 0x%08x 0x%08x 0x%08x 0x%08x\n",
4367 be32toh(meta->dummy_5[0]), be32toh(meta->dummy_5[1]),
4368 be32toh(meta->dummy_5[2]), be32toh(meta->dummy_5[3]));
4369
4370 for (i = 0; i < be16toh(meta->total_configs); i++) {
4371 kprintf(" %d total_disks %u\n", i,
4372 be16toh(meta->configs[i].disk_number));
4373 kprintf(" %d generation %u\n", i,
4374 be16toh(meta->configs[i].generation));
4375 kprintf(" %d magic_0 0x%08x\n", i,
4376 be32toh(meta->configs[i].magic_0));
4377 kprintf(" %d dummy_0 0x%02x\n", i, meta->configs[i].dummy_0);
4378 kprintf(" %d type %s\n", i,
4379 ata_raid_adaptec_type(meta->configs[i].type));
4380 kprintf(" %d dummy_1 0x%02x\n", i, meta->configs[i].dummy_1);
4381 kprintf(" %d flags %d\n", i,
4382 be32toh(meta->configs[i].flags));
4383 kprintf(" %d dummy_2 0x%02x\n", i, meta->configs[i].dummy_2);
4384 kprintf(" %d dummy_3 0x%02x\n", i, meta->configs[i].dummy_3);
4385 kprintf(" %d dummy_4 0x%02x\n", i, meta->configs[i].dummy_4);
4386 kprintf(" %d dummy_5 0x%02x\n", i, meta->configs[i].dummy_5);
4387 kprintf(" %d disk_number %u\n", i,
4388 be32toh(meta->configs[i].disk_number));
4389 kprintf(" %d dummy_6 0x%08x\n", i,
4390 be32toh(meta->configs[i].dummy_6));
4391 kprintf(" %d sectors %u\n", i,
4392 be32toh(meta->configs[i].sectors));
4393 kprintf(" %d stripe_shift %u\n", i,
4394 be16toh(meta->configs[i].stripe_shift));
4395 kprintf(" %d dummy_7 0x%08x\n", i,
4396 be32toh(meta->configs[i].dummy_7));
4397 kprintf(" %d dummy_8 0x%08x 0x%08x 0x%08x 0x%08x\n", i,
4398 be32toh(meta->configs[i].dummy_8[0]),
4399 be32toh(meta->configs[i].dummy_8[1]),
4400 be32toh(meta->configs[i].dummy_8[2]),
4401 be32toh(meta->configs[i].dummy_8[3]));
4402 kprintf(" %d name <%s>\n", i, meta->configs[i].name);
4403 }
4404 kprintf("magic_1 <0x%08x>\n", be32toh(meta->magic_1));
4405 kprintf("magic_2 <0x%08x>\n", be32toh(meta->magic_2));
4406 kprintf("magic_3 <0x%08x>\n", be32toh(meta->magic_3));
4407 kprintf("magic_4 <0x%08x>\n", be32toh(meta->magic_4));
4408 kprintf("=================================================\n");
4409 }
4410
4411 static char *
4412 ata_raid_hptv2_type(int type)
4413 {
4414 static char buffer[16];
4415
4416 switch (type) {
4417 case HPTV2_T_RAID0: return "RAID0";
4418 case HPTV2_T_RAID1: return "RAID1";
4419 case HPTV2_T_RAID01_RAID0: return "RAID01_RAID0";
4420 case HPTV2_T_SPAN: return "SPAN";
4421 case HPTV2_T_RAID_3: return "RAID3";
4422 case HPTV2_T_RAID_5: return "RAID5";
4423 case HPTV2_T_JBOD: return "JBOD";
4424 case HPTV2_T_RAID01_RAID1: return "RAID01_RAID1";
4425 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4426 return buffer;
4427 }
4428 }
4429
4430 static void
4431 ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta)
4432 {
4433 int i;
4434
4435 kprintf("****** ATA Highpoint V2 RocketRAID Metadata *****\n");
4436 kprintf("magic 0x%08x\n", meta->magic);
4437 kprintf("magic_0 0x%08x\n", meta->magic_0);
4438 kprintf("magic_1 0x%08x\n", meta->magic_1);
4439 kprintf("order 0x%08x\n", meta->order);
4440 kprintf("array_width %u\n", meta->array_width);
4441 kprintf("stripe_shift %u\n", meta->stripe_shift);
4442 kprintf("type %s\n", ata_raid_hptv2_type(meta->type));
4443 kprintf("disk_number %u\n", meta->disk_number);
4444 kprintf("total_sectors %u\n", meta->total_sectors);
4445 kprintf("disk_mode 0x%08x\n", meta->disk_mode);
4446 kprintf("boot_mode 0x%08x\n", meta->boot_mode);
4447 kprintf("boot_disk 0x%02x\n", meta->boot_disk);
4448 kprintf("boot_protect 0x%02x\n", meta->boot_protect);
4449 kprintf("log_entries 0x%02x\n", meta->error_log_entries);
4450 kprintf("log_index 0x%02x\n", meta->error_log_index);
4451 if (meta->error_log_entries) {
4452 kprintf(" timestamp reason disk status sectors lba\n");
4453 for (i = meta->error_log_index;
4454 i < meta->error_log_index + meta->error_log_entries; i++)
4455 kprintf(" 0x%08x 0x%02x 0x%02x 0x%02x 0x%02x 0x%08x\n",
4456 meta->errorlog[i%32].timestamp,
4457 meta->errorlog[i%32].reason,
4458 meta->errorlog[i%32].disk, meta->errorlog[i%32].status,
4459 meta->errorlog[i%32].sectors, meta->errorlog[i%32].lba);
4460 }
4461 kprintf("rebuild_lba 0x%08x\n", meta->rebuild_lba);
4462 kprintf("dummy_1 0x%02x\n", meta->dummy_1);
4463 kprintf("name_1 <%.15s>\n", meta->name_1);
4464 kprintf("dummy_2 0x%02x\n", meta->dummy_2);
4465 kprintf("name_2 <%.15s>\n", meta->name_2);
4466 kprintf("=================================================\n");
4467 }
4468
4469 static char *
4470 ata_raid_hptv3_type(int type)
4471 {
4472 static char buffer[16];
4473
4474 switch (type) {
4475 case HPTV3_T_SPARE: return "SPARE";
4476 case HPTV3_T_JBOD: return "JBOD";
4477 case HPTV3_T_SPAN: return "SPAN";
4478 case HPTV3_T_RAID0: return "RAID0";
4479 case HPTV3_T_RAID1: return "RAID1";
4480 case HPTV3_T_RAID3: return "RAID3";
4481 case HPTV3_T_RAID5: return "RAID5";
4482 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4483 return buffer;
4484 }
4485 }
4486
4487 static void
4488 ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta)
4489 {
4490 int i;
4491
4492 kprintf("****** ATA Highpoint V3 RocketRAID Metadata *****\n");
4493 kprintf("magic 0x%08x\n", meta->magic);
4494 kprintf("magic_0 0x%08x\n", meta->magic_0);
4495 kprintf("checksum_0 0x%02x\n", meta->checksum_0);
4496 kprintf("mode 0x%02x\n", meta->mode);
4497 kprintf("user_mode 0x%02x\n", meta->user_mode);
4498 kprintf("config_entries 0x%02x\n", meta->config_entries);
4499 for (i = 0; i < meta->config_entries; i++) {
4500 kprintf("config %d:\n", i);
4501 kprintf(" total_sectors %ju\n",
4502 meta->configs[0].total_sectors +
4503 ((u_int64_t)meta->configs_high[0].total_sectors << 32));
4504 kprintf(" type %s\n",
4505 ata_raid_hptv3_type(meta->configs[i].type));
4506 kprintf(" total_disks %u\n", meta->configs[i].total_disks);
4507 kprintf(" disk_number %u\n", meta->configs[i].disk_number);
4508 kprintf(" stripe_shift %u\n", meta->configs[i].stripe_shift);
4509 kprintf(" status %b\n", meta->configs[i].status,
4510 "\20\2RAID5\1NEED_REBUILD\n");
4511 kprintf(" critical_disks %u\n", meta->configs[i].critical_disks);
4512 kprintf(" rebuild_lba %ju\n",
4513 meta->configs_high[0].rebuild_lba +
4514 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32));
4515 }
4516 kprintf("name <%.16s>\n", meta->name);
4517 kprintf("timestamp 0x%08x\n", meta->timestamp);
4518 kprintf("description <%.16s>\n", meta->description);
4519 kprintf("creator <%.16s>\n", meta->creator);
4520 kprintf("checksum_1 0x%02x\n", meta->checksum_1);
4521 kprintf("dummy_0 0x%02x\n", meta->dummy_0);
4522 kprintf("dummy_1 0x%02x\n", meta->dummy_1);
4523 kprintf("flags %b\n", meta->flags,
4524 "\20\4RCACHE\3WCACHE\2NCQ\1TCQ\n");
4525 kprintf("=================================================\n");
4526 }
4527
4528 static char *
4529 ata_raid_intel_type(int type)
4530 {
4531 static char buffer[16];
4532
4533 switch (type) {
4534 case INTEL_T_RAID0: return "RAID0";
4535 case INTEL_T_RAID1: return "RAID1";
4536 case INTEL_T_RAID5: return "RAID5";
4537 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4538 return buffer;
4539 }
4540 }
4541
4542 static void
4543 ata_raid_intel_print_meta(struct intel_raid_conf *meta)
4544 {
4545 struct intel_raid_mapping *map;
4546 int i, j;
4547
4548 kprintf("********* ATA Intel MatrixRAID Metadata *********\n");
4549 kprintf("intel_id <%.24s>\n", meta->intel_id);
4550 kprintf("version <%.6s>\n", meta->version);
4551 kprintf("checksum 0x%08x\n", meta->checksum);
4552 kprintf("config_size 0x%08x\n", meta->config_size);
4553 kprintf("config_id 0x%08x\n", meta->config_id);
4554 kprintf("generation 0x%08x\n", meta->generation);
4555 kprintf("total_disks %u\n", meta->total_disks);
4556 kprintf("total_volumes %u\n", meta->total_volumes);
4557 kprintf("DISK# serial disk_sectors disk_id flags\n");
4558 for (i = 0; i < meta->total_disks; i++ ) {
4559 kprintf(" %d <%.16s> %u 0x%08x 0x%08x\n", i,
4560 meta->disk[i].serial, meta->disk[i].sectors,
4561 meta->disk[i].id, meta->disk[i].flags);
4562 }
4563 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks];
4564 for (j = 0; j < meta->total_volumes; j++) {
4565 kprintf("name %.16s\n", map->name);
4566 kprintf("total_sectors %ju\n", map->total_sectors);
4567 kprintf("state %u\n", map->state);
4568 kprintf("reserved %u\n", map->reserved);
4569 kprintf("offset %u\n", map->offset);
4570 kprintf("disk_sectors %u\n", map->disk_sectors);
4571 kprintf("stripe_count %u\n", map->stripe_count);
4572 kprintf("stripe_sectors %u\n", map->stripe_sectors);
4573 kprintf("status %u\n", map->status);
4574 kprintf("type %s\n", ata_raid_intel_type(map->type));
4575 kprintf("total_disks %u\n", map->total_disks);
4576 kprintf("magic[0] 0x%02x\n", map->magic[0]);
4577 kprintf("magic[1] 0x%02x\n", map->magic[1]);
4578 kprintf("magic[2] 0x%02x\n", map->magic[2]);
4579 for (i = 0; i < map->total_disks; i++ ) {
4580 kprintf(" disk %d at disk_idx 0x%08x\n", i, map->disk_idx[i]);
4581 }
4582 map = (struct intel_raid_mapping *)&map->disk_idx[map->total_disks];
4583 }
4584 kprintf("=================================================\n");
4585 }
4586
4587 static char *
4588 ata_raid_ite_type(int type)
4589 {
4590 static char buffer[16];
4591
4592 switch (type) {
4593 case ITE_T_RAID0: return "RAID0";
4594 case ITE_T_RAID1: return "RAID1";
4595 case ITE_T_RAID01: return "RAID0+1";
4596 case ITE_T_SPAN: return "SPAN";
4597 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4598 return buffer;
4599 }
4600 }
4601
4602 static void
4603 ata_raid_ite_print_meta(struct ite_raid_conf *meta)
4604 {
4605 kprintf("*** ATA Integrated Technology Express Metadata **\n");
4606 kprintf("ite_id <%.40s>\n", meta->ite_id);
4607 kprintf("timestamp_0 %04x/%02x/%02x %02x:%02x:%02x.%02x\n",
4608 *((u_int16_t *)meta->timestamp_0), meta->timestamp_0[2],
4609 meta->timestamp_0[3], meta->timestamp_0[5], meta->timestamp_0[4],
4610 meta->timestamp_0[7], meta->timestamp_0[6]);
4611 kprintf("total_sectors %jd\n", meta->total_sectors);
4612 kprintf("type %s\n", ata_raid_ite_type(meta->type));
4613 kprintf("stripe_1kblocks %u\n", meta->stripe_1kblocks);
4614 kprintf("timestamp_1 %04x/%02x/%02x %02x:%02x:%02x.%02x\n",
4615 *((u_int16_t *)meta->timestamp_1), meta->timestamp_1[2],
4616 meta->timestamp_1[3], meta->timestamp_1[5], meta->timestamp_1[4],
4617 meta->timestamp_1[7], meta->timestamp_1[6]);
4618 kprintf("stripe_sectors %u\n", meta->stripe_sectors);
4619 kprintf("array_width %u\n", meta->array_width);
4620 kprintf("disk_number %u\n", meta->disk_number);
4621 kprintf("disk_sectors %u\n", meta->disk_sectors);
4622 kprintf("=================================================\n");
4623 }
4624
4625 static char *
4626 ata_raid_jmicron_type(int type)
4627 {
4628 static char buffer[16];
4629
4630 switch (type) {
4631 case JM_T_RAID0: return "RAID0";
4632 case JM_T_RAID1: return "RAID1";
4633 case JM_T_RAID01: return "RAID0+1";
4634 case JM_T_JBOD: return "JBOD";
4635 case JM_T_RAID5: return "RAID5";
4636 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4637 return buffer;
4638 }
4639 }
4640
4641 static void
4642 ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta)
4643 {
4644 int i;
4645
4646 kprintf("***** ATA JMicron Technology Corp Metadata ******\n");
4647 kprintf("signature %.2s\n", meta->signature);
4648 kprintf("version 0x%04x\n", meta->version);
4649 kprintf("checksum 0x%04x\n", meta->checksum);
4650 kprintf("disk_id 0x%08x\n", meta->disk_id);
4651 kprintf("offset 0x%08x\n", meta->offset);
4652 kprintf("disk_sectors_low 0x%08x\n", meta->disk_sectors_low);
4653 kprintf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high);
4654 kprintf("name %.16s\n", meta->name);
4655 kprintf("type %s\n", ata_raid_jmicron_type(meta->type));
4656 kprintf("stripe_shift %d\n", meta->stripe_shift);
4657 kprintf("flags 0x%04x\n", meta->flags);
4658 kprintf("spare:\n");
4659 for (i=0; i < 2 && meta->spare[i]; i++)
4660 kprintf(" %d 0x%08x\n", i, meta->spare[i]);
4661 kprintf("disks:\n");
4662 for (i=0; i < 8 && meta->disks[i]; i++)
4663 kprintf(" %d 0x%08x\n", i, meta->disks[i]);
4664 kprintf("=================================================\n");
4665 }
4666
4667 static char *
4668 ata_raid_lsiv2_type(int type)
4669 {
4670 static char buffer[16];
4671
4672 switch (type) {
4673 case LSIV2_T_RAID0: return "RAID0";
4674 case LSIV2_T_RAID1: return "RAID1";
4675 case LSIV2_T_SPARE: return "SPARE";
4676 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4677 return buffer;
4678 }
4679 }
4680
4681 static void
4682 ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta)
4683 {
4684 int i;
4685
4686 kprintf("******* ATA LSILogic V2 MegaRAID Metadata *******\n");
4687 kprintf("lsi_id <%s>\n", meta->lsi_id);
4688 kprintf("dummy_0 0x%02x\n", meta->dummy_0);
4689 kprintf("flags 0x%02x\n", meta->flags);
4690 kprintf("version 0x%04x\n", meta->version);
4691 kprintf("config_entries 0x%02x\n", meta->config_entries);
4692 kprintf("raid_count 0x%02x\n", meta->raid_count);
4693 kprintf("total_disks 0x%02x\n", meta->total_disks);
4694 kprintf("dummy_1 0x%02x\n", meta->dummy_1);
4695 kprintf("dummy_2 0x%04x\n", meta->dummy_2);
4696 for (i = 0; i < meta->config_entries; i++) {
4697 kprintf(" type %s\n",
4698 ata_raid_lsiv2_type(meta->configs[i].raid.type));
4699 kprintf(" dummy_0 %02x\n", meta->configs[i].raid.dummy_0);
4700 kprintf(" stripe_sectors %u\n",
4701 meta->configs[i].raid.stripe_sectors);
4702 kprintf(" array_width %u\n",
4703 meta->configs[i].raid.array_width);
4704 kprintf(" disk_count %u\n", meta->configs[i].raid.disk_count);
4705 kprintf(" config_offset %u\n",
4706 meta->configs[i].raid.config_offset);
4707 kprintf(" dummy_1 %u\n", meta->configs[i].raid.dummy_1);
4708 kprintf(" flags %02x\n", meta->configs[i].raid.flags);
4709 kprintf(" total_sectors %u\n",
4710 meta->configs[i].raid.total_sectors);
4711 }
4712 kprintf("disk_number 0x%02x\n", meta->disk_number);
4713 kprintf("raid_number 0x%02x\n", meta->raid_number);
4714 kprintf("timestamp 0x%08x\n", meta->timestamp);
4715 kprintf("=================================================\n");
4716 }
4717
4718 static char *
4719 ata_raid_lsiv3_type(int type)
4720 {
4721 static char buffer[16];
4722
4723 switch (type) {
4724 case LSIV3_T_RAID0: return "RAID0";
4725 case LSIV3_T_RAID1: return "RAID1";
4726 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4727 return buffer;
4728 }
4729 }
4730
4731 static void
4732 ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta)
4733 {
4734 int i;
4735
4736 kprintf("******* ATA LSILogic V3 MegaRAID Metadata *******\n");
4737 kprintf("lsi_id <%.6s>\n", meta->lsi_id);
4738 kprintf("dummy_0 0x%04x\n", meta->dummy_0);
4739 kprintf("version 0x%04x\n", meta->version);
4740 kprintf("dummy_0 0x%04x\n", meta->dummy_1);
4741 kprintf("RAID configs:\n");
4742 for (i = 0; i < 8; i++) {
4743 if (meta->raid[i].total_disks) {
4744 kprintf("%02d stripe_pages %u\n", i,
4745 meta->raid[i].stripe_pages);
4746 kprintf("%02d type %s\n", i,
4747 ata_raid_lsiv3_type(meta->raid[i].type));
4748 kprintf("%02d total_disks %u\n", i,
4749 meta->raid[i].total_disks);
4750 kprintf("%02d array_width %u\n", i,
4751 meta->raid[i].array_width);
4752 kprintf("%02d sectors %u\n", i, meta->raid[i].sectors);
4753 kprintf("%02d offset %u\n", i, meta->raid[i].offset);
4754 kprintf("%02d device 0x%02x\n", i,
4755 meta->raid[i].device);
4756 }
4757 }
4758 kprintf("DISK configs:\n");
4759 for (i = 0; i < 6; i++) {
4760 if (meta->disk[i].disk_sectors) {
4761 kprintf("%02d disk_sectors %u\n", i,
4762 meta->disk[i].disk_sectors);
4763 kprintf("%02d flags 0x%02x\n", i, meta->disk[i].flags);
4764 }
4765 }
4766 kprintf("device 0x%02x\n", meta->device);
4767 kprintf("timestamp 0x%08x\n", meta->timestamp);
4768 kprintf("checksum_1 0x%02x\n", meta->checksum_1);
4769 kprintf("=================================================\n");
4770 }
4771
4772 static char *
4773 ata_raid_nvidia_type(int type)
4774 {
4775 static char buffer[16];
4776
4777 switch (type) {
4778 case NV_T_SPAN: return "SPAN";
4779 case NV_T_RAID0: return "RAID0";
4780 case NV_T_RAID1: return "RAID1";
4781 case NV_T_RAID3: return "RAID3";
4782 case NV_T_RAID5: return "RAID5";
4783 case NV_T_RAID01: return "RAID0+1";
4784 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4785 return buffer;
4786 }
4787 }
4788
4789 static void
4790 ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta)
4791 {
4792 kprintf("******** ATA nVidia MediaShield Metadata ********\n");
4793 kprintf("nvidia_id <%.8s>\n", meta->nvidia_id);
4794 kprintf("config_size %u\n", meta->config_size);
4795 kprintf("checksum 0x%08x\n", meta->checksum);
4796 kprintf("version 0x%04x\n", meta->version);
4797 kprintf("disk_number %u\n", meta->disk_number);
4798 kprintf("dummy_0 0x%02x\n", meta->dummy_0);
4799 kprintf("total_sectors %u\n", meta->total_sectors);
4800 kprintf("sectors_size %u\n", meta->sector_size);
4801 kprintf("serial %.16s\n", meta->serial);
4802 kprintf("revision %.4s\n", meta->revision);
4803 kprintf("dummy_1 0x%08x\n", meta->dummy_1);
4804 kprintf("magic_0 0x%08x\n", meta->magic_0);
4805 kprintf("magic_1 0x%016jx\n", meta->magic_1);
4806 kprintf("magic_2 0x%016jx\n", meta->magic_2);
4807 kprintf("flags 0x%02x\n", meta->flags);
4808 kprintf("array_width %u\n", meta->array_width);
4809 kprintf("total_disks %u\n", meta->total_disks);
4810 kprintf("dummy_2 0x%02x\n", meta->dummy_2);
4811 kprintf("type %s\n", ata_raid_nvidia_type(meta->type));
4812 kprintf("dummy_3 0x%04x\n", meta->dummy_3);
4813 kprintf("stripe_sectors %u\n", meta->stripe_sectors);
4814 kprintf("stripe_bytes %u\n", meta->stripe_bytes);
4815 kprintf("stripe_shift %u\n", meta->stripe_shift);
4816 kprintf("stripe_mask 0x%08x\n", meta->stripe_mask);
4817 kprintf("stripe_sizesectors %u\n", meta->stripe_sizesectors);
4818 kprintf("stripe_sizebytes %u\n", meta->stripe_sizebytes);
4819 kprintf("rebuild_lba %u\n", meta->rebuild_lba);
4820 kprintf("dummy_4 0x%08x\n", meta->dummy_4);
4821 kprintf("dummy_5 0x%08x\n", meta->dummy_5);
4822 kprintf("status 0x%08x\n", meta->status);
4823 kprintf("=================================================\n");
4824 }
4825
4826 static char *
4827 ata_raid_promise_type(int type)
4828 {
4829 static char buffer[16];
4830
4831 switch (type) {
4832 case PR_T_RAID0: return "RAID0";
4833 case PR_T_RAID1: return "RAID1";
4834 case PR_T_RAID3: return "RAID3";
4835 case PR_T_RAID5: return "RAID5";
4836 case PR_T_SPAN: return "SPAN";
4837 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4838 return buffer;
4839 }
4840 }
4841
4842 static void
4843 ata_raid_promise_print_meta(struct promise_raid_conf *meta)
4844 {
4845 int i;
4846
4847 kprintf("********* ATA Promise FastTrak Metadata *********\n");
4848 kprintf("promise_id <%s>\n", meta->promise_id);
4849 kprintf("dummy_0 0x%08x\n", meta->dummy_0);
4850 kprintf("magic_0 0x%016jx\n", meta->magic_0);
4851 kprintf("magic_1 0x%04x\n", meta->magic_1);
4852 kprintf("magic_2 0x%08x\n", meta->magic_2);
4853 kprintf("integrity 0x%08x %b\n", meta->raid.integrity,
4854 meta->raid.integrity, "\20\10VALID\n" );
4855 kprintf("flags 0x%02x %b\n",
4856 meta->raid.flags, meta->raid.flags,
4857 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE"
4858 "\3ASSIGNED\2ONLINE\1VALID\n");
4859 kprintf("disk_number %d\n", meta->raid.disk_number);
4860 kprintf("channel 0x%02x\n", meta->raid.channel);
4861 kprintf("device 0x%02x\n", meta->raid.device);
4862 kprintf("magic_0 0x%016jx\n", meta->raid.magic_0);
4863 kprintf("disk_offset %u\n", meta->raid.disk_offset);
4864 kprintf("disk_sectors %u\n", meta->raid.disk_sectors);
4865 kprintf("rebuild_lba 0x%08x\n", meta->raid.rebuild_lba);
4866 kprintf("generation 0x%04x\n", meta->raid.generation);
4867 kprintf("status 0x%02x %b\n",
4868 meta->raid.status, meta->raid.status,
4869 "\20\6MARKED\5DEGRADED\4READY\3INITED\2ONLINE\1VALID\n");
4870 kprintf("type %s\n", ata_raid_promise_type(meta->raid.type));
4871 kprintf("total_disks %u\n", meta->raid.total_disks);
4872 kprintf("stripe_shift %u\n", meta->raid.stripe_shift);
4873 kprintf("array_width %u\n", meta->raid.array_width);
4874 kprintf("array_number %u\n", meta->raid.array_number);
4875 kprintf("total_sectors %u\n", meta->raid.total_sectors);
4876 kprintf("cylinders %u\n", meta->raid.cylinders);
4877 kprintf("heads %u\n", meta->raid.heads);
4878 kprintf("sectors %u\n", meta->raid.sectors);
4879 kprintf("magic_1 0x%016jx\n", meta->raid.magic_1);
4880 kprintf("DISK# flags dummy_0 channel device magic_0\n");
4881 for (i = 0; i < 8; i++) {
4882 kprintf(" %d %b 0x%02x 0x%02x 0x%02x ",
4883 i, meta->raid.disk[i].flags,
4884 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE"
4885 "\3ASSIGNED\2ONLINE\1VALID\n", meta->raid.disk[i].dummy_0,
4886 meta->raid.disk[i].channel, meta->raid.disk[i].device);
4887 kprintf("0x%016jx\n", meta->raid.disk[i].magic_0);
4888 }
4889 kprintf("checksum 0x%08x\n", meta->checksum);
4890 kprintf("=================================================\n");
4891 }
4892
4893 static char *
4894 ata_raid_sii_type(int type)
4895 {
4896 static char buffer[16];
4897
4898 switch (type) {
4899 case SII_T_RAID0: return "RAID0";
4900 case SII_T_RAID1: return "RAID1";
4901 case SII_T_RAID01: return "RAID0+1";
4902 case SII_T_SPARE: return "SPARE";
4903 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4904 return buffer;
4905 }
4906 }
4907
4908 static void
4909 ata_raid_sii_print_meta(struct sii_raid_conf *meta)
4910 {
4911 kprintf("******* ATA Silicon Image Medley Metadata *******\n");
4912 kprintf("total_sectors %ju\n", meta->total_sectors);
4913 kprintf("dummy_0 0x%04x\n", meta->dummy_0);
4914 kprintf("dummy_1 0x%04x\n", meta->dummy_1);
4915 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id);
4916 kprintf("version_minor 0x%04x\n", meta->version_minor);
4917 kprintf("version_major 0x%04x\n", meta->version_major);
4918 kprintf("timestamp 20%02x/%02x/%02x %02x:%02x:%02x\n",
4919 meta->timestamp[5], meta->timestamp[4], meta->timestamp[3],
4920 meta->timestamp[2], meta->timestamp[1], meta->timestamp[0]);
4921 kprintf("stripe_sectors %u\n", meta->stripe_sectors);
4922 kprintf("dummy_2 0x%04x\n", meta->dummy_2);
4923 kprintf("disk_number %u\n", meta->disk_number);
4924 kprintf("type %s\n", ata_raid_sii_type(meta->type));
4925 kprintf("raid0_disks %u\n", meta->raid0_disks);
4926 kprintf("raid0_ident %u\n", meta->raid0_ident);
4927 kprintf("raid1_disks %u\n", meta->raid1_disks);
4928 kprintf("raid1_ident %u\n", meta->raid1_ident);
4929 kprintf("rebuild_lba %ju\n", meta->rebuild_lba);
4930 kprintf("generation 0x%08x\n", meta->generation);
4931 kprintf("status 0x%02x %b\n",
4932 meta->status, meta->status,
4933 "\20\1READY\n");
4934 kprintf("base_raid1_position %02x\n", meta->base_raid1_position);
4935 kprintf("base_raid0_position %02x\n", meta->base_raid0_position);
4936 kprintf("position %02x\n", meta->position);
4937 kprintf("dummy_3 %04x\n", meta->dummy_3);
4938 kprintf("name <%.16s>\n", meta->name);
4939 kprintf("checksum_0 0x%04x\n", meta->checksum_0);
4940 kprintf("checksum_1 0x%04x\n", meta->checksum_1);
4941 kprintf("=================================================\n");
4942 }
4943
4944 static char *
4945 ata_raid_sis_type(int type)
4946 {
4947 static char buffer[16];
4948
4949 switch (type) {
4950 case SIS_T_JBOD: return "JBOD";
4951 case SIS_T_RAID0: return "RAID0";
4952 case SIS_T_RAID1: return "RAID1";
4953 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4954 return buffer;
4955 }
4956 }
4957
4958 static void
4959 ata_raid_sis_print_meta(struct sis_raid_conf *meta)
4960 {
4961 kprintf("**** ATA Silicon Integrated Systems Metadata ****\n");
4962 kprintf("magic 0x%04x\n", meta->magic);
4963 kprintf("disks 0x%02x\n", meta->disks);
4964 kprintf("type %s\n",
4965 ata_raid_sis_type(meta->type_total_disks & SIS_T_MASK));
4966 kprintf("total_disks %u\n", meta->type_total_disks & SIS_D_MASK);
4967 kprintf("dummy_0 0x%08x\n", meta->dummy_0);
4968 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id);
4969 kprintf("stripe_sectors %u\n", meta->stripe_sectors);
4970 kprintf("dummy_1 0x%04x\n", meta->dummy_1);
4971 kprintf("timestamp 0x%08x\n", meta->timestamp);
4972 kprintf("model %.40s\n", meta->model);
4973 kprintf("disk_number %u\n", meta->disk_number);
4974 kprintf("dummy_2 0x%02x 0x%02x 0x%02x\n",
4975 meta->dummy_2[0], meta->dummy_2[1], meta->dummy_2[2]);
4976 kprintf("=================================================\n");
4977 }
4978
4979 static char *
4980 ata_raid_via_type(int type)
4981 {
4982 static char buffer[16];
4983
4984 switch (type) {
4985 case VIA_T_RAID0: return "RAID0";
4986 case VIA_T_RAID1: return "RAID1";
4987 case VIA_T_RAID5: return "RAID5";
4988 case VIA_T_RAID01: return "RAID0+1";
4989 case VIA_T_SPAN: return "SPAN";
4990 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4991 return buffer;
4992 }
4993 }
4994
4995 static void
4996 ata_raid_via_print_meta(struct via_raid_conf *meta)
4997 {
4998 int i;
4999
5000 kprintf("*************** ATA VIA Metadata ****************\n");
5001 kprintf("magic 0x%02x\n", meta->magic);
5002 kprintf("dummy_0 0x%02x\n", meta->dummy_0);
5003 kprintf("type %s\n",
5004 ata_raid_via_type(meta->type & VIA_T_MASK));
5005 kprintf("bootable %d\n", meta->type & VIA_T_BOOTABLE);
5006 kprintf("unknown %d\n", meta->type & VIA_T_UNKNOWN);
5007 kprintf("disk_index 0x%02x\n", meta->disk_index);
5008 kprintf("stripe_layout 0x%02x\n", meta->stripe_layout);
5009 kprintf(" stripe_disks %d\n", meta->stripe_layout & VIA_L_DISKS);
5010 kprintf(" stripe_sectors %d\n",
5011 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT));
5012 kprintf("disk_sectors %ju\n", meta->disk_sectors);
5013 kprintf("disk_id 0x%08x\n", meta->disk_id);
5014 kprintf("DISK# disk_id\n");
5015 for (i = 0; i < 8; i++) {
5016 if (meta->disks[i])
5017 kprintf(" %d 0x%08x\n", i, meta->disks[i]);
5018 }
5019 kprintf("checksum 0x%02x\n", meta->checksum);
5020 kprintf("=================================================\n");
5021 }
DragonFly BSD