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Apply patch supplied in FreeBSD-PR to ata-raid code:
[dragonfly.git] / sys / dev / disk / nata / ata-raid.c
blob2c285053c6650b3991014f2ccdbaffb7260e09f9
1 /*-
2 * Copyright (c) 2000 - 2006 Søren Schmidt <sos@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD: src/sys/dev/ata/ata-raid.c,v 1.120 2006/04/15 10:27:41 maxim Exp $
27 * $DragonFly: src/sys/dev/disk/nata/ata-raid.c,v 1.9 2008/06/27 00:03:56 dillon Exp $
28 */
29
30 #include "opt_ata.h"
31
32 #include <sys/param.h>
33 #include <sys/bio.h>
34 #include <sys/buf.h>
35 #include <sys/buf2.h>
36 #include <sys/bus.h>
37 #include <sys/conf.h>
38 #include <sys/device.h>
39 #include <sys/disk.h>
40 #include <sys/endian.h>
41 #include <sys/libkern.h>
42 #include <sys/malloc.h>
43 #include <sys/module.h>
44 #include <sys/nata.h>
45 #include <sys/spinlock2.h>
46 #include <sys/systm.h>
47
48 #include <vm/pmap.h>
49
50 #include <machine/md_var.h>
51
52 #include <bus/pci/pcivar.h>
53
54 #include "ata-all.h"
55 #include "ata-disk.h"
56 #include "ata-raid.h"
57 #include "ata-pci.h"
58 #include "ata_if.h"
59
60
61 /* device structure */
62 static d_strategy_t ata_raid_strategy;
63 static d_dump_t ata_raid_dump;
64 static struct dev_ops ar_ops = {
65 { "ar", 157, D_DISK },
66 .d_open = nullopen,
67 .d_close = nullclose,
68 .d_read = physread,
69 .d_write = physwrite,
70 .d_strategy = ata_raid_strategy,
71 .d_dump = ata_raid_dump,
72 };
73
74 /* prototypes */
75 static void ata_raid_done(struct ata_request *request);
76 static void ata_raid_config_changed(struct ar_softc *rdp, int writeback);
77 static int ata_raid_status(struct ata_ioc_raid_config *config);
78 static int ata_raid_create(struct ata_ioc_raid_config *config);
79 static int ata_raid_delete(int array);
80 static int ata_raid_addspare(struct ata_ioc_raid_config *config);
81 static int ata_raid_rebuild(int array);
82 static int ata_raid_read_metadata(device_t subdisk);
83 static int ata_raid_write_metadata(struct ar_softc *rdp);
84 static int ata_raid_wipe_metadata(struct ar_softc *rdp);
85 static int ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp);
86 static int ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp);
87 static int ata_raid_hptv2_write_meta(struct ar_softc *rdp);
88 static int ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp);
89 static int ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp);
90 static int ata_raid_intel_write_meta(struct ar_softc *rdp);
91 static int ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp);
92 static int ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp);
93 static int ata_raid_jmicron_write_meta(struct ar_softc *rdp);
94 static int ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp);
95 static int ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp);
96 static int ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp);
97 static int ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native);
98 static int ata_raid_promise_write_meta(struct ar_softc *rdp);
99 static int ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp);
100 static int ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp);
101 static int ata_raid_sis_write_meta(struct ar_softc *rdp);
102 static int ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp);
103 static int ata_raid_via_write_meta(struct ar_softc *rdp);
104 static struct ata_request *ata_raid_init_request(struct ar_softc *rdp, struct bio *bio);
105 static int ata_raid_send_request(struct ata_request *request);
106 static int ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags);
107 static char * ata_raid_format(struct ar_softc *rdp);
108 static char * ata_raid_type(struct ar_softc *rdp);
109 static char * ata_raid_flags(struct ar_softc *rdp);
110
111 /* debugging only */
112 static void ata_raid_print_meta(struct ar_softc *meta);
113 static void ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta);
114 static void ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta);
115 static void ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta);
116 static void ata_raid_intel_print_meta(struct intel_raid_conf *meta);
117 static void ata_raid_ite_print_meta(struct ite_raid_conf *meta);
118 static void ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta);
119 static void ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta);
120 static void ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta);
121 static void ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta);
122 static void ata_raid_promise_print_meta(struct promise_raid_conf *meta);
123 static void ata_raid_sii_print_meta(struct sii_raid_conf *meta);
124 static void ata_raid_sis_print_meta(struct sis_raid_conf *meta);
125 static void ata_raid_via_print_meta(struct via_raid_conf *meta);
126
127 /* internal vars */
128 static struct ar_softc *ata_raid_arrays[MAX_ARRAYS];
129 static MALLOC_DEFINE(M_AR, "ar_driver", "ATA PseudoRAID driver");
130 static devclass_t ata_raid_sub_devclass;
131 static int testing = 0;
132
133 static void
134 ata_raid_attach(struct ar_softc *rdp, int writeback)
135 {
136 struct disk_info info;
137 cdev_t cdev;
138 char buffer[32];
139 int disk;
140
141 spin_init(&rdp->lock);
142 ata_raid_config_changed(rdp, writeback);
143
144 /* sanitize arrays total_size % (width * interleave) == 0 */
145 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 ||
146 rdp->type == AR_T_RAID5) {
147 rdp->total_sectors = (rdp->total_sectors/(rdp->interleave*rdp->width))*
148 (rdp->interleave * rdp->width);
149 ksprintf(buffer, " (stripe %d KB)",
150 (rdp->interleave * DEV_BSIZE) / 1024);
151 }
152 else
153 buffer[0] = '\0';
154 /* XXX TGEN add devstats? */
155 cdev = disk_create(rdp->lun, &rdp->disk, &ar_ops);
156 cdev->si_drv1 = rdp;
157 cdev->si_iosize_max = 128 * DEV_BSIZE;
158 rdp->cdev = cdev;
159
160 bzero(&info, sizeof(info));
161 info.d_media_blksize = DEV_BSIZE; /* mandatory */
162 info.d_media_blocks = rdp->total_sectors;
163
164 info.d_secpertrack = rdp->sectors; /* optional */
165 info.d_nheads = rdp->heads;
166 info.d_ncylinders = rdp->total_sectors/(rdp->heads*rdp->sectors);
167 info.d_secpercyl = rdp->sectors * rdp->heads;
168
169 kprintf("ar%d: %juMB <%s %s%s> status: %s\n", rdp->lun,
170 rdp->total_sectors / ((1024L * 1024L) / DEV_BSIZE),
171 ata_raid_format(rdp), ata_raid_type(rdp),
172 buffer, ata_raid_flags(rdp));
173
174 if (testing || bootverbose)
175 kprintf("ar%d: %ju sectors [%dC/%dH/%dS] <%s> subdisks defined as:\n",
176 rdp->lun, rdp->total_sectors,
177 rdp->cylinders, rdp->heads, rdp->sectors, rdp->name);
178
179 for (disk = 0; disk < rdp->total_disks; disk++) {
180 kprintf("ar%d: disk%d ", rdp->lun, disk);
181 if (rdp->disks[disk].dev) {
182 if (rdp->disks[disk].flags & AR_DF_PRESENT) {
183 /* status of this disk in the array */
184 if (rdp->disks[disk].flags & AR_DF_ONLINE)
185 kprintf("READY ");
186 else if (rdp->disks[disk].flags & AR_DF_SPARE)
187 kprintf("SPARE ");
188 else
189 kprintf("FREE ");
190
191 /* what type of disk is this in the array */
192 switch (rdp->type) {
193 case AR_T_RAID1:
194 case AR_T_RAID01:
195 if (disk < rdp->width)
196 kprintf("(master) ");
197 else
198 kprintf("(mirror) ");
199 }
200
201 /* which physical disk is used */
202 kprintf("using %s at ata%d-%s\n",
203 device_get_nameunit(rdp->disks[disk].dev),
204 device_get_unit(device_get_parent(rdp->disks[disk].dev)),
205 (((struct ata_device *)
206 device_get_softc(rdp->disks[disk].dev))->unit ==
207 ATA_MASTER) ? "master" : "slave");
208 }
209 else if (rdp->disks[disk].flags & AR_DF_ASSIGNED)
210 kprintf("DOWN\n");
211 else
212 kprintf("INVALID no RAID config on this subdisk\n");
213 }
214 else
215 kprintf("DOWN no device found for this subdisk\n");
216 }
217
218 disk_setdiskinfo(&rdp->disk, &info);
219 }
220
221 /*
222 * ATA PseudoRAID ioctl function. Note that this does not need to be adjusted
223 * to the dev_ops way, because it's just chained from the generic ata ioctl.
224 */
225 static int
226 ata_raid_ioctl(u_long cmd, caddr_t data)
227 {
228 struct ata_ioc_raid_config *config = (struct ata_ioc_raid_config *)data;
229 int *lun = (int *)data;
230 int error = EOPNOTSUPP;
231
232 switch (cmd) {
233 case IOCATARAIDSTATUS:
234 error = ata_raid_status(config);
235 break;
236
237 case IOCATARAIDCREATE:
238 error = ata_raid_create(config);
239 break;
240
241 case IOCATARAIDDELETE:
242 error = ata_raid_delete(*lun);
243 break;
244
245 case IOCATARAIDADDSPARE:
246 error = ata_raid_addspare(config);
247 break;
248
249 case IOCATARAIDREBUILD:
250 error = ata_raid_rebuild(*lun);
251 break;
252 }
253 return error;
254 }
255
256 /*
257 * XXX TGEN there are a lot of offset -> block number conversions going on
258 * here, which is suboptimal.
259 */
260 static int
261 ata_raid_strategy(struct dev_strategy_args *ap)
262 {
263 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1;
264 struct bio *bp = ap->a_bio;
265 struct buf *bbp = bp->bio_buf;
266 struct ata_request *request;
267 caddr_t data;
268 u_int64_t blkno, lba, blk = 0;
269 int count, chunk, drv, par = 0, change = 0;
270
271 if (!(rdp->status & AR_S_READY) ||
272 (bbp->b_cmd != BUF_CMD_READ && bbp->b_cmd != BUF_CMD_WRITE)) {
273 bbp->b_flags |= B_ERROR;
274 bbp->b_error = EIO;
275 biodone(bp);
276 return(0);
277 }
278
279 bbp->b_resid = bbp->b_bcount;
280 for (count = howmany(bbp->b_bcount, DEV_BSIZE),
281 /* bio_offset is byte granularity, convert */
282 blkno = (u_int64_t)(bp->bio_offset >> DEV_BSHIFT),
283 data = bbp->b_data;
284 count > 0;
285 count -= chunk, blkno += chunk, data += (chunk * DEV_BSIZE)) {
286
287 switch (rdp->type) {
288 case AR_T_RAID1:
289 drv = 0;
290 lba = blkno;
291 chunk = count;
292 break;
293
294 case AR_T_JBOD:
295 case AR_T_SPAN:
296 drv = 0;
297 lba = blkno;
298 while (lba >= rdp->disks[drv].sectors)
299 lba -= rdp->disks[drv++].sectors;
300 chunk = min(rdp->disks[drv].sectors - lba, count);
301 break;
302
303 case AR_T_RAID0:
304 case AR_T_RAID01:
305 chunk = blkno % rdp->interleave;
306 drv = (blkno / rdp->interleave) % rdp->width;
307 lba = (((blkno/rdp->interleave)/rdp->width)*rdp->interleave)+chunk;
308 chunk = min(count, rdp->interleave - chunk);
309 break;
310
311 case AR_T_RAID5:
312 drv = (blkno / rdp->interleave) % (rdp->width - 1);
313 par = rdp->width - 1 -
314 (blkno / (rdp->interleave * (rdp->width - 1))) % rdp->width;
315 if (drv >= par)
316 drv++;
317 lba = ((blkno/rdp->interleave)/(rdp->width-1))*(rdp->interleave) +
318 ((blkno%(rdp->interleave*(rdp->width-1)))%rdp->interleave);
319 chunk = min(count, rdp->interleave - (lba % rdp->interleave));
320 break;
321
322 default:
323 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun);
324 bbp->b_flags |= B_ERROR;
325 bbp->b_error = EIO;
326 biodone(bp);
327 return(0);
328 }
329
330 /* offset on all but "first on HPTv2" */
331 if (!(drv == 0 && rdp->format == AR_F_HPTV2_RAID))
332 lba += rdp->offset_sectors;
333
334 if (!(request = ata_raid_init_request(rdp, bp))) {
335 bbp->b_flags |= B_ERROR;
336 bbp->b_error = EIO;
337 biodone(bp);
338 return(0);
339 }
340 request->data = data;
341 request->bytecount = chunk * DEV_BSIZE;
342 request->u.ata.lba = lba;
343 request->u.ata.count = request->bytecount / DEV_BSIZE;
344
345 switch (rdp->type) {
346 case AR_T_JBOD:
347 case AR_T_SPAN:
348 case AR_T_RAID0:
349 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) ==
350 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) {
351 rdp->disks[drv].flags &= ~AR_DF_ONLINE;
352 ata_raid_config_changed(rdp, 1);
353 ata_free_request(request);
354 bbp->b_flags |= B_ERROR;
355 bbp->b_error = EIO;
356 biodone(bp);
357 return(0);
358 }
359 request->this = drv;
360 request->dev = rdp->disks[request->this].dev;
361 ata_raid_send_request(request);
362 break;
363
364 case AR_T_RAID1:
365 case AR_T_RAID01:
366 if ((rdp->disks[drv].flags &
367 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) &&
368 !rdp->disks[drv].dev) {
369 rdp->disks[drv].flags &= ~AR_DF_ONLINE;
370 change = 1;
371 }
372 if ((rdp->disks[drv + rdp->width].flags &
373 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) &&
374 !rdp->disks[drv + rdp->width].dev) {
375 rdp->disks[drv + rdp->width].flags &= ~AR_DF_ONLINE;
376 change = 1;
377 }
378 if (change)
379 ata_raid_config_changed(rdp, 1);
380 if (!(rdp->status & AR_S_READY)) {
381 ata_free_request(request);
382 bbp->b_flags |= B_ERROR;
383 bbp->b_error = EIO;
384 biodone(bp);
385 return(0);
386 }
387
388 if (rdp->status & AR_S_REBUILDING)
389 blk = ((lba / rdp->interleave) * rdp->width) * rdp->interleave +
390 (rdp->interleave * (drv % rdp->width)) +
391 lba % rdp->interleave;;
392
393 if (bbp->b_cmd == BUF_CMD_READ) {
394 int src_online =
395 (rdp->disks[drv].flags & AR_DF_ONLINE);
396 int mir_online =
397 (rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE);
398
399 /* if mirror gone or close to last access on source */
400 if (!mir_online ||
401 ((src_online) &&
402 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >=
403 (rdp->disks[drv].last_lba - AR_PROXIMITY) &&
404 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <=
405 (rdp->disks[drv].last_lba + AR_PROXIMITY))) {
406 rdp->toggle = 0;
407 }
408 /* if source gone or close to last access on mirror */
409 else if (!src_online ||
410 ((mir_online) &&
411 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) >=
412 (rdp->disks[drv+rdp->width].last_lba-AR_PROXIMITY) &&
413 ((u_int64_t)(bp->bio_offset >> DEV_BSHIFT)) <=
414 (rdp->disks[drv+rdp->width].last_lba+AR_PROXIMITY))) {
415 drv += rdp->width;
416 rdp->toggle = 1;
417 }
418 /* not close to any previous access, toggle */
419 else {
420 if (rdp->toggle)
421 rdp->toggle = 0;
422 else {
423 drv += rdp->width;
424 rdp->toggle = 1;
425 }
426 }
427
428 if ((rdp->status & AR_S_REBUILDING) &&
429 (blk <= rdp->rebuild_lba) &&
430 ((blk + chunk) > rdp->rebuild_lba)) {
431 struct ata_composite *composite;
432 struct ata_request *rebuild;
433 int this;
434
435 /* figure out what part to rebuild */
436 if (drv < rdp->width)
437 this = drv + rdp->width;
438 else
439 this = drv - rdp->width;
440
441 /* do we have a spare to rebuild on ? */
442 if (rdp->disks[this].flags & AR_DF_SPARE) {
443 if ((composite = ata_alloc_composite())) {
444 if ((rebuild = ata_alloc_request())) {
445 rdp->rebuild_lba = blk + chunk;
446 bcopy(request, rebuild,
447 sizeof(struct ata_request));
448 rebuild->this = this;
449 rebuild->dev = rdp->disks[this].dev;
450 rebuild->flags &= ~ATA_R_READ;
451 rebuild->flags |= ATA_R_WRITE;
452 spin_init(&composite->lock);
453 composite->residual = request->bytecount;
454 composite->rd_needed |= (1 << drv);
455 composite->wr_depend |= (1 << drv);
456 composite->wr_needed |= (1 << this);
457 composite->request[drv] = request;
458 composite->request[this] = rebuild;
459 request->composite = composite;
460 rebuild->composite = composite;
461 ata_raid_send_request(rebuild);
462 }
463 else {
464 ata_free_composite(composite);
465 kprintf("DOH! ata_alloc_request failed!\n");
466 }
467 }
468 else {
469 kprintf("DOH! ata_alloc_composite failed!\n");
470 }
471 }
472 else if (rdp->disks[this].flags & AR_DF_ONLINE) {
473 /*
474 * if we got here we are a chunk of a RAID01 that
475 * does not need a rebuild, but we need to increment
476 * the rebuild_lba address to get the rebuild to
477 * move to the next chunk correctly
478 */
479 rdp->rebuild_lba = blk + chunk;
480 }
481 else
482 kprintf("DOH! we didn't find the rebuild part\n");
483 }
484 }
485 if (bbp->b_cmd == BUF_CMD_WRITE) {
486 if ((rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE) ||
487 ((rdp->status & AR_S_REBUILDING) &&
488 (rdp->disks[drv+rdp->width].flags & AR_DF_SPARE) &&
489 ((blk < rdp->rebuild_lba) ||
490 ((blk <= rdp->rebuild_lba) &&
491 ((blk + chunk) > rdp->rebuild_lba))))) {
492 if ((rdp->disks[drv].flags & AR_DF_ONLINE) ||
493 ((rdp->status & AR_S_REBUILDING) &&
494 (rdp->disks[drv].flags & AR_DF_SPARE) &&
495 ((blk < rdp->rebuild_lba) ||
496 ((blk <= rdp->rebuild_lba) &&
497 ((blk + chunk) > rdp->rebuild_lba))))) {
498 struct ata_request *mirror;
499 struct ata_composite *composite;
500 int this = drv + rdp->width;
501
502 if ((composite = ata_alloc_composite())) {
503 if ((mirror = ata_alloc_request())) {
504 if ((blk <= rdp->rebuild_lba) &&
505 ((blk + chunk) > rdp->rebuild_lba))
506 rdp->rebuild_lba = blk + chunk;
507 bcopy(request, mirror,
508 sizeof(struct ata_request));
509 mirror->this = this;
510 mirror->dev = rdp->disks[this].dev;
511 spin_init(&composite->lock);
512 composite->residual = request->bytecount;
513 composite->wr_needed |= (1 << drv);
514 composite->wr_needed |= (1 << this);
515 composite->request[drv] = request;
516 composite->request[this] = mirror;
517 request->composite = composite;
518 mirror->composite = composite;
519 ata_raid_send_request(mirror);
520 rdp->disks[this].last_lba =
521 (u_int64_t)(bp->bio_offset >> DEV_BSHIFT) +
522 chunk;
523 }
524 else {
525 ata_free_composite(composite);
526 kprintf("DOH! ata_alloc_request failed!\n");
527 }
528 }
529 else {
530 kprintf("DOH! ata_alloc_composite failed!\n");
531 }
532 }
533 else
534 drv += rdp->width;
535 }
536 }
537 request->this = drv;
538 request->dev = rdp->disks[request->this].dev;
539 ata_raid_send_request(request);
540 rdp->disks[request->this].last_lba =
541 ((u_int64_t)(bp->bio_offset) >> DEV_BSHIFT) + chunk;
542 break;
543
544 case AR_T_RAID5:
545 if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) ==
546 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) {
547 rdp->disks[drv].flags &= ~AR_DF_ONLINE;
548 change = 1;
549 }
550 if (((rdp->disks[par].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) ==
551 (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[par].dev)) {
552 rdp->disks[par].flags &= ~AR_DF_ONLINE;
553 change = 1;
554 }
555 if (change)
556 ata_raid_config_changed(rdp, 1);
557 if (!(rdp->status & AR_S_READY)) {
558 ata_free_request(request);
559 bbp->b_flags |= B_ERROR;
560 bbp->b_error = EIO;
561 biodone(bp);
562 return(0);
563 }
564 if (rdp->status & AR_S_DEGRADED) {
565 /* do the XOR game if possible */
566 }
567 else {
568 request->this = drv;
569 request->dev = rdp->disks[request->this].dev;
570 if (bbp->b_cmd == BUF_CMD_READ) {
571 ata_raid_send_request(request);
572 }
573 if (bbp->b_cmd == BUF_CMD_WRITE) {
574 ata_raid_send_request(request);
575 /* XXX TGEN no, I don't speak Danish either */
576 /*
577 * sikre at læs-modify-skriv til hver disk er atomarisk.
578 * par kopi af request
579 * læse orgdata fra drv
580 * skriv nydata til drv
581 * læse parorgdata fra par
582 * skriv orgdata xor parorgdata xor nydata til par
583 */
584 }
585 }
586 break;
587
588 default:
589 kprintf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun);
590 }
591 }
592
593 return(0);
594 }
595
596 static void
597 ata_raid_done(struct ata_request *request)
598 {
599 struct ar_softc *rdp = request->driver;
600 struct ata_composite *composite = NULL;
601 struct bio *bp = request->bio;
602 struct buf *bbp = bp->bio_buf;
603 int i, mirror, finished = 0;
604
605 switch (rdp->type) {
606 case AR_T_JBOD:
607 case AR_T_SPAN:
608 case AR_T_RAID0:
609 if (request->result) {
610 rdp->disks[request->this].flags &= ~AR_DF_ONLINE;
611 ata_raid_config_changed(rdp, 1);
612 bbp->b_error = request->result;
613 finished = 1;
614 }
615 else {
616 bbp->b_resid -= request->donecount;
617 if (!bbp->b_resid)
618 finished = 1;
619 }
620 break;
621
622 case AR_T_RAID1:
623 case AR_T_RAID01:
624 if (request->this < rdp->width)
625 mirror = request->this + rdp->width;
626 else
627 mirror = request->this - rdp->width;
628 if (request->result) {
629 rdp->disks[request->this].flags &= ~AR_DF_ONLINE;
630 ata_raid_config_changed(rdp, 1);
631 }
632 if (rdp->status & AR_S_READY) {
633 u_int64_t blk = 0;
634
635 if (rdp->status & AR_S_REBUILDING)
636 blk = ((request->u.ata.lba / rdp->interleave) * rdp->width) *
637 rdp->interleave + (rdp->interleave *
638 (request->this % rdp->width)) +
639 request->u.ata.lba % rdp->interleave;
640
641 if (bbp->b_cmd == BUF_CMD_READ) {
642
643 /* is this a rebuild composite */
644 if ((composite = request->composite)) {
645 spin_lock_wr(&composite->lock);
646
647 /* handle the read part of a rebuild composite */
648 if (request->flags & ATA_R_READ) {
649
650 /* if read failed array is now broken */
651 if (request->result) {
652 rdp->disks[request->this].flags &= ~AR_DF_ONLINE;
653 ata_raid_config_changed(rdp, 1);
654 bbp->b_error = request->result;
655 rdp->rebuild_lba = blk;
656 finished = 1;
657 }
658
659 /* good data, update how far we've gotten */
660 else {
661 bbp->b_resid -= request->donecount;
662 composite->residual -= request->donecount;
663 if (!composite->residual) {
664 if (composite->wr_done & (1 << mirror))
665 finished = 1;
666 }
667 }
668 }
669
670 /* handle the write part of a rebuild composite */
671 else if (request->flags & ATA_R_WRITE) {
672 if (composite->rd_done & (1 << mirror)) {
673 if (request->result) {
674 kprintf("DOH! rebuild failed\n"); /* XXX SOS */
675 rdp->rebuild_lba = blk;
676 }
677 if (!composite->residual)
678 finished = 1;
679 }
680 }
681 spin_unlock_wr(&composite->lock);
682 }
683
684 /* if read failed retry on the mirror */
685 else if (request->result) {
686 request->dev = rdp->disks[mirror].dev;
687 request->flags &= ~ATA_R_TIMEOUT;
688 ata_raid_send_request(request);
689 return;
690 }
691
692 /* we have good data */
693 else {
694 bbp->b_resid -= request->donecount;
695 if (!bbp->b_resid)
696 finished = 1;
697 }
698 }
699 else if (bbp->b_cmd == BUF_CMD_WRITE) {
700 /* do we have a mirror or rebuild to deal with ? */
701 if ((composite = request->composite)) {
702 spin_lock_wr(&composite->lock);
703 if (composite->wr_done & (1 << mirror)) {
704 if (request->result) {
705 if (composite->request[mirror]->result) {
706 kprintf("DOH! all disks failed and got here\n");
707 bbp->b_error = EIO;
708 }
709 if (rdp->status & AR_S_REBUILDING) {
710 rdp->rebuild_lba = blk;
711 kprintf("DOH! rebuild failed\n"); /* XXX SOS */
712 }
713 bbp->b_resid -=
714 composite->request[mirror]->donecount;
715 composite->residual -=
716 composite->request[mirror]->donecount;
717 }
718 else {
719 bbp->b_resid -= request->donecount;
720 composite->residual -= request->donecount;
721 }
722 if (!composite->residual)
723 finished = 1;
724 }
725 spin_unlock_wr(&composite->lock);
726 }
727 /* no mirror we are done */
728 else {
729 bbp->b_resid -= request->donecount;
730 if (!bbp->b_resid)
731 finished = 1;
732 }
733 }
734 }
735 else {
736 /* XXX TGEN bbp->b_flags |= B_ERROR; */
737 bbp->b_error = request->result;
738 biodone(bp);
739 }
740 break;
741
742 case AR_T_RAID5:
743 if (request->result) {
744 rdp->disks[request->this].flags &= ~AR_DF_ONLINE;
745 ata_raid_config_changed(rdp, 1);
746 if (rdp->status & AR_S_READY) {
747 if (bbp->b_cmd == BUF_CMD_READ) {
748 /* do the XOR game to recover data */
749 }
750 if (bbp->b_cmd == BUF_CMD_WRITE) {
751 /* if the parity failed we're OK sortof */
752 /* otherwise wee need to do the XOR long dance */
753 }
754 finished = 1;
755 }
756 else {
757 /* XXX TGEN bbp->b_flags |= B_ERROR; */
758 bbp->b_error = request->result;
759 biodone(bp);
760 }
761 }
762 else {
763 /* did we have an XOR game going ?? */
764 bbp->b_resid -= request->donecount;
765 if (!bbp->b_resid)
766 finished = 1;
767 }
768 break;
769
770 default:
771 kprintf("ar%d: unknown array type in ata_raid_done\n", rdp->lun);
772 }
773
774 if (finished) {
775 if ((rdp->status & AR_S_REBUILDING) &&
776 rdp->rebuild_lba >= rdp->total_sectors) {
777 int disk;
778
779 for (disk = 0; disk < rdp->total_disks; disk++) {
780 if ((rdp->disks[disk].flags &
781 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) ==
782 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) {
783 rdp->disks[disk].flags &= ~AR_DF_SPARE;
784 rdp->disks[disk].flags |= AR_DF_ONLINE;
785 }
786 }
787 rdp->status &= ~AR_S_REBUILDING;
788 ata_raid_config_changed(rdp, 1);
789 }
790 if (!bbp->b_resid)
791 biodone(bp);
792 }
793
794 if (composite) {
795 if (finished) {
796 /* we are done with this composite, free all resources */
797 for (i = 0; i < 32; i++) {
798 if (composite->rd_needed & (1 << i) ||
799 composite->wr_needed & (1 << i)) {
800 ata_free_request(composite->request[i]);
801 }
802 }
803 spin_uninit(&composite->lock);
804 ata_free_composite(composite);
805 }
806 }
807 else
808 ata_free_request(request);
809 }
810
811 static int
812 ata_raid_dump(struct dev_dump_args *ap)
813 {
814 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1;
815 struct buf dbuf;
816 vm_paddr_t addr = 0;
817 long blkcnt;
818 int dumppages = MAXDUMPPGS;
819 int error = 0;
820 int i, disk;
821
822 blkcnt = howmany(PAGE_SIZE, ap->a_secsize);
823
824 while (ap->a_count > 0) {
825 caddr_t va = NULL;
826
827 if ((ap->a_count / blkcnt) < dumppages)
828 dumppages = ap->a_count / blkcnt;
829
830 for (i = 0; i < dumppages; ++i) {
831 vm_paddr_t a = addr + (i * PAGE_SIZE);
832 if (is_physical_memory(a))
833 va = pmap_kenter_temporary(trunc_page(a), i);
834 else
835 va = pmap_kenter_temporary(trunc_page(0), i);
836 }
837
838 bzero(&dbuf, sizeof(struct buf));
839 BUF_LOCKINIT(&dbuf);
840 BUF_LOCK(&dbuf, LK_EXCLUSIVE);
841 initbufbio(&dbuf);
842 /* bio_offset is byte granularity, convert block granularity a_blkno */
843 dbuf.b_bio1.bio_offset = (off_t)(ap->a_blkno << DEV_BSHIFT);
844 dbuf.b_bio1.bio_caller_info1.ptr = (void *)rdp;
845 dbuf.b_bcount = dumppages * PAGE_SIZE;
846 dbuf.b_data = va;
847 dbuf.b_cmd = BUF_CMD_WRITE;
848 dev_dstrategy(rdp->cdev, &dbuf.b_bio1);
849 /* wait for completion, unlock the buffer, check status */
850 if (biowait(&dbuf)) {
851 BUF_UNLOCK(&dbuf);
852 return(dbuf.b_error ? dbuf.b_error : EIO);
853 }
854 BUF_UNLOCK(&dbuf);
855
856 if (dumpstatus(addr, (off_t)ap->a_count * DEV_BSIZE) < 0)
857 return(EINTR);
858
859 ap->a_blkno += blkcnt * dumppages;
860 ap->a_count -= blkcnt * dumppages;
861 addr += PAGE_SIZE * dumppages;
862 }
863
864 /* flush subdisk buffers to media */
865 for (disk = 0; disk < rdp->total_disks; disk++)
866 if (rdp->disks[disk].dev)
867 error |= ata_controlcmd(rdp->disks[disk].dev, ATA_FLUSHCACHE, 0, 0,
868 0);
869 return (error ? EIO : 0);
870 }
871
872 static void
873 ata_raid_config_changed(struct ar_softc *rdp, int writeback)
874 {
875 int disk, count, status;
876
877 spin_lock_wr(&rdp->lock);
878 /* set default all working mode */
879 status = rdp->status;
880 rdp->status &= ~AR_S_DEGRADED;
881 rdp->status |= AR_S_READY;
882
883 /* make sure all lost drives are accounted for */
884 for (disk = 0; disk < rdp->total_disks; disk++) {
885 if (!(rdp->disks[disk].flags & AR_DF_PRESENT))
886 rdp->disks[disk].flags &= ~AR_DF_ONLINE;
887 }
888
889 /* depending on RAID type figure out our health status */
890 switch (rdp->type) {
891 case AR_T_JBOD:
892 case AR_T_SPAN:
893 case AR_T_RAID0:
894 for (disk = 0; disk < rdp->total_disks; disk++)
895 if (!(rdp->disks[disk].flags & AR_DF_ONLINE))
896 rdp->status &= ~AR_S_READY;
897 break;
898
899 case AR_T_RAID1:
900 case AR_T_RAID01:
901 for (disk = 0; disk < rdp->width; disk++) {
902 if (!(rdp->disks[disk].flags & AR_DF_ONLINE) &&
903 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) {
904 rdp->status &= ~AR_S_READY;
905 }
906 else if (((rdp->disks[disk].flags & AR_DF_ONLINE) &&
907 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) ||
908 (!(rdp->disks[disk].flags & AR_DF_ONLINE) &&
909 (rdp->disks [disk + rdp->width].flags & AR_DF_ONLINE))) {
910 rdp->status |= AR_S_DEGRADED;
911 }
912 }
913 break;
914
915 case AR_T_RAID5:
916 for (count = 0, disk = 0; disk < rdp->total_disks; disk++) {
917 if (!(rdp->disks[disk].flags & AR_DF_ONLINE))
918 count++;
919 }
920 if (count) {
921 if (count > 1)
922 rdp->status &= ~AR_S_READY;
923 else
924 rdp->status |= AR_S_DEGRADED;
925 }
926 break;
927 default:
928 rdp->status &= ~AR_S_READY;
929 }
930
931 /*
932 * Note that when the array breaks so comes up broken we
933 * force a write of the array config to the remaining
934 * drives so that the generation will be incremented past
935 * those of the missing or failed drives (in all cases).
936 */
937 if (rdp->status != status) {
938 if (!(rdp->status & AR_S_READY)) {
939 kprintf("ar%d: FAILURE - %s array broken\n",
940 rdp->lun, ata_raid_type(rdp));
941 writeback = 1;
942 }
943 else if (rdp->status & AR_S_DEGRADED) {
944 if (rdp->type & (AR_T_RAID1 | AR_T_RAID01))
945 kprintf("ar%d: WARNING - mirror", rdp->lun);
946 else
947 kprintf("ar%d: WARNING - parity", rdp->lun);
948 kprintf(" protection lost. %s array in DEGRADED mode\n",
949 ata_raid_type(rdp));
950 writeback = 1;
951 }
952 }
953 spin_unlock_wr(&rdp->lock);
954 if (writeback)
955 ata_raid_write_metadata(rdp);
956
957 }
958
959 static int
960 ata_raid_status(struct ata_ioc_raid_config *config)
961 {
962 struct ar_softc *rdp;
963 int i;
964
965 if (!(rdp = ata_raid_arrays[config->lun]))
966 return ENXIO;
967
968 config->type = rdp->type;
969 config->total_disks = rdp->total_disks;
970 for (i = 0; i < rdp->total_disks; i++ ) {
971 if ((rdp->disks[i].flags & AR_DF_PRESENT) && rdp->disks[i].dev)
972 config->disks[i] = device_get_unit(rdp->disks[i].dev);
973 else
974 config->disks[i] = -1;
975 }
976 config->interleave = rdp->interleave;
977 config->status = rdp->status;
978 config->progress = 100 * rdp->rebuild_lba / rdp->total_sectors;
979 return 0;
980 }
981
982 static int
983 ata_raid_create(struct ata_ioc_raid_config *config)
984 {
985 struct ar_softc *rdp;
986 device_t subdisk;
987 int array, disk;
988 int ctlr = 0, disk_size = 0, total_disks = 0;
989
990 for (array = 0; array < MAX_ARRAYS; array++) {
991 if (!ata_raid_arrays[array])
992 break;
993 }
994 if (array >= MAX_ARRAYS)
995 return ENOSPC;
996
997 rdp = (struct ar_softc*)kmalloc(sizeof(struct ar_softc), M_AR,
998 M_WAITOK | M_ZERO);
999
1000 for (disk = 0; disk < config->total_disks; disk++) {
1001 if ((subdisk = devclass_get_device(ata_raid_sub_devclass,
1002 config->disks[disk]))) {
1003 struct ata_raid_subdisk *ars = device_get_softc(subdisk);
1004
1005 /* is device already assigned to another array ? */
1006 if (ars->raid[rdp->volume]) {
1007 config->disks[disk] = -1;
1008 kfree(rdp, M_AR);
1009 return EBUSY;
1010 }
1011 rdp->disks[disk].dev = device_get_parent(subdisk);
1012
1013 switch (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev))) {
1014 case ATA_HIGHPOINT_ID:
1015 /*
1016 * we need some way to decide if it should be v2 or v3
1017 * for now just use v2 since the v3 BIOS knows how to
1018 * handle that as well.
1019 */
1020 ctlr = AR_F_HPTV2_RAID;
1021 rdp->disks[disk].sectors = HPTV3_LBA(rdp->disks[disk].dev);
1022 break;
1023
1024 case ATA_INTEL_ID:
1025 ctlr = AR_F_INTEL_RAID;
1026 rdp->disks[disk].sectors = INTEL_LBA(rdp->disks[disk].dev);
1027 break;
1028
1029 case ATA_ITE_ID:
1030 ctlr = AR_F_ITE_RAID;
1031 rdp->disks[disk].sectors = ITE_LBA(rdp->disks[disk].dev);
1032 break;
1033
1034 case ATA_JMICRON_ID:
1035 ctlr = AR_F_JMICRON_RAID;
1036 rdp->disks[disk].sectors = JMICRON_LBA(rdp->disks[disk].dev);
1037 break;
1038
1039 case 0: /* XXX SOS cover up for bug in our PCI code */
1040 case ATA_PROMISE_ID:
1041 ctlr = AR_F_PROMISE_RAID;
1042 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev);
1043 break;
1044
1045 case ATA_SIS_ID:
1046 ctlr = AR_F_SIS_RAID;
1047 rdp->disks[disk].sectors = SIS_LBA(rdp->disks[disk].dev);
1048 break;
1049
1050 case ATA_ATI_ID:
1051 case ATA_VIA_ID:
1052 ctlr = AR_F_VIA_RAID;
1053 rdp->disks[disk].sectors = VIA_LBA(rdp->disks[disk].dev);
1054 break;
1055
1056 default:
1057 /* XXX SOS
1058 * right, so here we are, we have an ATA chip and we want
1059 * to create a RAID and store the metadata.
1060 * we need to find a way to tell what kind of metadata this
1061 * hardware's BIOS might be using (good ideas are welcomed)
1062 * for now we just use our own native FreeBSD format.
1063 * the only way to get support for the BIOS format is to
1064 * setup the RAID from there, in that case we pickup the
1065 * metadata format from the disks (if we support it).
1066 */
1067 kprintf("WARNING!! - not able to determine metadata format\n"
1068 "WARNING!! - Using FreeBSD PseudoRAID metadata\n"
1069 "If that is not what you want, use the BIOS to "
1070 "create the array\n");
1071 ctlr = AR_F_FREEBSD_RAID;
1072 rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev);
1073 break;
1074 }
1075
1076 /* we need all disks to be of the same format */
1077 if ((rdp->format & AR_F_FORMAT_MASK) &&
1078 (rdp->format & AR_F_FORMAT_MASK) != (ctlr & AR_F_FORMAT_MASK)) {
1079 kfree(rdp, M_AR);
1080 return EXDEV;
1081 }
1082 else
1083 rdp->format = ctlr;
1084
1085 /* use the smallest disk of the lots size */
1086 /* gigabyte boundry ??? XXX SOS */
1087 if (disk_size)
1088 disk_size = min(rdp->disks[disk].sectors, disk_size);
1089 else
1090 disk_size = rdp->disks[disk].sectors;
1091 rdp->disks[disk].flags =
1092 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
1093
1094 total_disks++;
1095 }
1096 else {
1097 config->disks[disk] = -1;
1098 kfree(rdp, M_AR);
1099 return ENXIO;
1100 }
1101 }
1102
1103 if (total_disks != config->total_disks) {
1104 kfree(rdp, M_AR);
1105 return ENODEV;
1106 }
1107
1108 switch (config->type) {
1109 case AR_T_JBOD:
1110 case AR_T_SPAN:
1111 case AR_T_RAID0:
1112 break;
1113
1114 case AR_T_RAID1:
1115 if (total_disks != 2) {
1116 kfree(rdp, M_AR);
1117 return EPERM;
1118 }
1119 break;
1120
1121 case AR_T_RAID01:
1122 if (total_disks % 2 != 0) {
1123 kfree(rdp, M_AR);
1124 return EPERM;
1125 }
1126 break;
1127
1128 case AR_T_RAID5:
1129 if (total_disks < 3) {
1130 kfree(rdp, M_AR);
1131 return EPERM;
1132 }
1133 break;
1134
1135 default:
1136 kfree(rdp, M_AR);
1137 return EOPNOTSUPP;
1138 }
1139 rdp->type = config->type;
1140 rdp->lun = array;
1141 if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 ||
1142 rdp->type == AR_T_RAID5) {
1143 int bit = 0;
1144
1145 while (config->interleave >>= 1)
1146 bit++;
1147 rdp->interleave = 1 << bit;
1148 }
1149 rdp->offset_sectors = 0;
1150
1151 /* values that depend on metadata format */
1152 switch (rdp->format) {
1153 case AR_F_ADAPTEC_RAID:
1154 rdp->interleave = min(max(32, rdp->interleave), 128); /*+*/
1155 break;
1156
1157 case AR_F_HPTV2_RAID:
1158 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/
1159 rdp->offset_sectors = HPTV2_LBA(x) + 1;
1160 break;
1161
1162 case AR_F_HPTV3_RAID:
1163 rdp->interleave = min(max(32, rdp->interleave), 4096); /*+*/
1164 break;
1165
1166 case AR_F_INTEL_RAID:
1167 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/
1168 break;
1169
1170 case AR_F_ITE_RAID:
1171 rdp->interleave = min(max(2, rdp->interleave), 128); /*+*/
1172 break;
1173
1174 case AR_F_JMICRON_RAID:
1175 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/
1176 break;
1177
1178 case AR_F_LSIV2_RAID:
1179 rdp->interleave = min(max(2, rdp->interleave), 4096);
1180 break;
1181
1182 case AR_F_LSIV3_RAID:
1183 rdp->interleave = min(max(2, rdp->interleave), 256);
1184 break;
1185
1186 case AR_F_PROMISE_RAID:
1187 rdp->interleave = min(max(2, rdp->interleave), 2048); /*+*/
1188 break;
1189
1190 case AR_F_SII_RAID:
1191 rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/
1192 break;
1193
1194 case AR_F_SIS_RAID:
1195 rdp->interleave = min(max(32, rdp->interleave), 512); /*+*/
1196 break;
1197
1198 case AR_F_VIA_RAID:
1199 rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/
1200 break;
1201 }
1202
1203 rdp->total_disks = total_disks;
1204 rdp->width = total_disks / (rdp->type & (AR_RAID1 | AR_T_RAID01) ? 2 : 1);
1205 rdp->total_sectors = disk_size * (rdp->width - (rdp->type == AR_RAID5));
1206 rdp->heads = 255;
1207 rdp->sectors = 63;
1208 rdp->cylinders = rdp->total_sectors / (255 * 63);
1209 rdp->rebuild_lba = 0;
1210 rdp->status |= AR_S_READY;
1211
1212 /* we are committed to this array, grap the subdisks */
1213 for (disk = 0; disk < config->total_disks; disk++) {
1214 if ((subdisk = devclass_get_device(ata_raid_sub_devclass,
1215 config->disks[disk]))) {
1216 struct ata_raid_subdisk *ars = device_get_softc(subdisk);
1217
1218 ars->raid[rdp->volume] = rdp;
1219 ars->disk_number[rdp->volume] = disk;
1220 }
1221 }
1222 ata_raid_attach(rdp, 1);
1223 ata_raid_arrays[array] = rdp;
1224 config->lun = array;
1225 return 0;
1226 }
1227
1228 static int
1229 ata_raid_delete(int array)
1230 {
1231 struct ar_softc *rdp;
1232 device_t subdisk;
1233 int disk;
1234
1235 if (!(rdp = ata_raid_arrays[array]))
1236 return ENXIO;
1237
1238 rdp->status &= ~AR_S_READY;
1239 disk_destroy(&rdp->disk);
1240
1241 for (disk = 0; disk < rdp->total_disks; disk++) {
1242 if ((rdp->disks[disk].flags & AR_DF_PRESENT) && rdp->disks[disk].dev) {
1243 if ((subdisk = devclass_get_device(ata_raid_sub_devclass,
1244 device_get_unit(rdp->disks[disk].dev)))) {
1245 struct ata_raid_subdisk *ars = device_get_softc(subdisk);
1246
1247 if (ars->raid[rdp->volume] != rdp) /* XXX SOS */
1248 device_printf(subdisk, "DOH! this disk doesn't belong\n");
1249 if (ars->disk_number[rdp->volume] != disk) /* XXX SOS */
1250 device_printf(subdisk, "DOH! this disk number is wrong\n");
1251 ars->raid[rdp->volume] = NULL;
1252 ars->disk_number[rdp->volume] = -1;
1253 }
1254 rdp->disks[disk].flags = 0;
1255 }
1256 }
1257 ata_raid_wipe_metadata(rdp);
1258 ata_raid_arrays[array] = NULL;
1259 kfree(rdp, M_AR);
1260 return 0;
1261 }
1262
1263 static int
1264 ata_raid_addspare(struct ata_ioc_raid_config *config)
1265 {
1266 struct ar_softc *rdp;
1267 device_t subdisk;
1268 int disk;
1269
1270 if (!(rdp = ata_raid_arrays[config->lun]))
1271 return ENXIO;
1272 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY))
1273 return ENXIO;
1274 if (rdp->status & AR_S_REBUILDING)
1275 return EBUSY;
1276 switch (rdp->type) {
1277 case AR_T_RAID1:
1278 case AR_T_RAID01:
1279 case AR_T_RAID5:
1280 for (disk = 0; disk < rdp->total_disks; disk++ ) {
1281
1282 if (((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) ==
1283 (AR_DF_PRESENT | AR_DF_ONLINE)) && rdp->disks[disk].dev)
1284 continue;
1285
1286 if ((subdisk = devclass_get_device(ata_raid_sub_devclass,
1287 config->disks[0] ))) {
1288 struct ata_raid_subdisk *ars = device_get_softc(subdisk);
1289
1290 if (ars->raid[rdp->volume])
1291 return EBUSY;
1292
1293 /* XXX SOS validate size etc etc */
1294 ars->raid[rdp->volume] = rdp;
1295 ars->disk_number[rdp->volume] = disk;
1296 rdp->disks[disk].dev = device_get_parent(subdisk);
1297 rdp->disks[disk].flags =
1298 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE);
1299
1300 device_printf(rdp->disks[disk].dev,
1301 "inserted into ar%d disk%d as spare\n",
1302 rdp->lun, disk);
1303 ata_raid_config_changed(rdp, 1);
1304 return 0;
1305 }
1306 }
1307 return ENXIO;
1308
1309 default:
1310 return EPERM;
1311 }
1312 }
1313
1314 static int
1315 ata_raid_rebuild(int array)
1316 {
1317 struct ar_softc *rdp;
1318 int disk, count;
1319
1320 if (!(rdp = ata_raid_arrays[array]))
1321 return ENXIO;
1322 /* XXX SOS we should lock the rdp softc here */
1323 if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY))
1324 return ENXIO;
1325 if (rdp->status & AR_S_REBUILDING)
1326 return EBUSY;
1327
1328 switch (rdp->type) {
1329 case AR_T_RAID1:
1330 case AR_T_RAID01:
1331 case AR_T_RAID5:
1332 for (count = 0, disk = 0; disk < rdp->total_disks; disk++ ) {
1333 if (((rdp->disks[disk].flags &
1334 (AR_DF_PRESENT|AR_DF_ASSIGNED|AR_DF_ONLINE|AR_DF_SPARE)) ==
1335 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) &&
1336 rdp->disks[disk].dev) {
1337 count++;
1338 }
1339 }
1340
1341 if (count) {
1342 rdp->rebuild_lba = 0;
1343 rdp->status |= AR_S_REBUILDING;
1344 return 0;
1345 }
1346 return EIO;
1347
1348 default:
1349 return EPERM;
1350 }
1351 }
1352
1353 static int
1354 ata_raid_read_metadata(device_t subdisk)
1355 {
1356 devclass_t pci_devclass = devclass_find("pci");
1357 devclass_t devclass=device_get_devclass(GRANDPARENT(GRANDPARENT(subdisk)));
1358
1359 /* prioritize vendor native metadata layout if possible */
1360 if (devclass == pci_devclass) {
1361 switch (pci_get_vendor(GRANDPARENT(device_get_parent(subdisk)))) {
1362 case ATA_HIGHPOINT_ID:
1363 if (ata_raid_hptv3_read_meta(subdisk, ata_raid_arrays))
1364 return 0;
1365 if (ata_raid_hptv2_read_meta(subdisk, ata_raid_arrays))
1366 return 0;
1367 break;
1368
1369 case ATA_INTEL_ID:
1370 if (ata_raid_intel_read_meta(subdisk, ata_raid_arrays))
1371 return 0;
1372 break;
1373
1374 case ATA_ITE_ID:
1375 if (ata_raid_ite_read_meta(subdisk, ata_raid_arrays))
1376 return 0;
1377 break;
1378
1379 case ATA_JMICRON_ID:
1380 if (ata_raid_jmicron_read_meta(subdisk, ata_raid_arrays))
1381 return 0;
1382 break;
1383
1384 case ATA_NVIDIA_ID:
1385 if (ata_raid_nvidia_read_meta(subdisk, ata_raid_arrays))
1386 return 0;
1387 break;
1388
1389 case 0: /* XXX SOS cover up for bug in our PCI code */
1390 case ATA_PROMISE_ID:
1391 if (ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 0))
1392 return 0;
1393 break;
1394
1395 case ATA_ATI_ID:
1396 case ATA_SILICON_IMAGE_ID:
1397 if (ata_raid_sii_read_meta(subdisk, ata_raid_arrays))
1398 return 0;
1399 break;
1400
1401 case ATA_SIS_ID:
1402 if (ata_raid_sis_read_meta(subdisk, ata_raid_arrays))
1403 return 0;
1404 break;
1405
1406 case ATA_VIA_ID:
1407 if (ata_raid_via_read_meta(subdisk, ata_raid_arrays))
1408 return 0;
1409 break;
1410 }
1411 }
1412
1413 /* handle controllers that have multiple layout possibilities */
1414 /* NOTE: the order of these are not insignificant */
1415
1416 /* Adaptec HostRAID */
1417 if (ata_raid_adaptec_read_meta(subdisk, ata_raid_arrays))
1418 return 0;
1419
1420 /* LSILogic v3 and v2 */
1421 if (ata_raid_lsiv3_read_meta(subdisk, ata_raid_arrays))
1422 return 0;
1423 if (ata_raid_lsiv2_read_meta(subdisk, ata_raid_arrays))
1424 return 0;
1425
1426 /* if none of the above matched, try FreeBSD native format */
1427 return ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 1);
1428 }
1429
1430 static int
1431 ata_raid_write_metadata(struct ar_softc *rdp)
1432 {
1433 switch (rdp->format) {
1434 case AR_F_FREEBSD_RAID:
1435 case AR_F_PROMISE_RAID:
1436 return ata_raid_promise_write_meta(rdp);
1437
1438 case AR_F_HPTV3_RAID:
1439 case AR_F_HPTV2_RAID:
1440 /*
1441 * always write HPT v2 metadata, the v3 BIOS knows it as well.
1442 * this is handy since we cannot know what version BIOS is on there
1443 */
1444 return ata_raid_hptv2_write_meta(rdp);
1445
1446 case AR_F_INTEL_RAID:
1447 return ata_raid_intel_write_meta(rdp);
1448
1449 case AR_F_JMICRON_RAID:
1450 return ata_raid_jmicron_write_meta(rdp);
1451
1452 case AR_F_SIS_RAID:
1453 return ata_raid_sis_write_meta(rdp);
1454
1455 case AR_F_VIA_RAID:
1456 return ata_raid_via_write_meta(rdp);
1457 #if 0
1458 case AR_F_HPTV3_RAID:
1459 return ata_raid_hptv3_write_meta(rdp);
1460
1461 case AR_F_ADAPTEC_RAID:
1462 return ata_raid_adaptec_write_meta(rdp);
1463
1464 case AR_F_ITE_RAID:
1465 return ata_raid_ite_write_meta(rdp);
1466
1467 case AR_F_LSIV2_RAID:
1468 return ata_raid_lsiv2_write_meta(rdp);
1469
1470 case AR_F_LSIV3_RAID:
1471 return ata_raid_lsiv3_write_meta(rdp);
1472
1473 case AR_F_NVIDIA_RAID:
1474 return ata_raid_nvidia_write_meta(rdp);
1475
1476 case AR_F_SII_RAID:
1477 return ata_raid_sii_write_meta(rdp);
1478
1479 #endif
1480 default:
1481 kprintf("ar%d: writing of %s metadata is NOT supported yet\n",
1482 rdp->lun, ata_raid_format(rdp));
1483 }
1484 return -1;
1485 }
1486
1487 static int
1488 ata_raid_wipe_metadata(struct ar_softc *rdp)
1489 {
1490 int disk, error = 0;
1491 u_int64_t lba;
1492 u_int32_t size;
1493 u_int8_t *meta;
1494
1495 for (disk = 0; disk < rdp->total_disks; disk++) {
1496 if (rdp->disks[disk].dev) {
1497 switch (rdp->format) {
1498 case AR_F_ADAPTEC_RAID:
1499 lba = ADP_LBA(rdp->disks[disk].dev);
1500 size = sizeof(struct adaptec_raid_conf);
1501 break;
1502
1503 case AR_F_HPTV2_RAID:
1504 lba = HPTV2_LBA(rdp->disks[disk].dev);
1505 size = sizeof(struct hptv2_raid_conf);
1506 break;
1507
1508 case AR_F_HPTV3_RAID:
1509 lba = HPTV3_LBA(rdp->disks[disk].dev);
1510 size = sizeof(struct hptv3_raid_conf);
1511 break;
1512
1513 case AR_F_INTEL_RAID:
1514 lba = INTEL_LBA(rdp->disks[disk].dev);
1515 size = 3 * 512; /* XXX SOS */
1516 break;
1517
1518 case AR_F_ITE_RAID:
1519 lba = ITE_LBA(rdp->disks[disk].dev);
1520 size = sizeof(struct ite_raid_conf);
1521 break;
1522
1523 case AR_F_JMICRON_RAID:
1524 lba = JMICRON_LBA(rdp->disks[disk].dev);
1525 size = sizeof(struct jmicron_raid_conf);
1526 break;
1527
1528 case AR_F_LSIV2_RAID:
1529 lba = LSIV2_LBA(rdp->disks[disk].dev);
1530 size = sizeof(struct lsiv2_raid_conf);
1531 break;
1532
1533 case AR_F_LSIV3_RAID:
1534 lba = LSIV3_LBA(rdp->disks[disk].dev);
1535 size = sizeof(struct lsiv3_raid_conf);
1536 break;
1537
1538 case AR_F_NVIDIA_RAID:
1539 lba = NVIDIA_LBA(rdp->disks[disk].dev);
1540 size = sizeof(struct nvidia_raid_conf);
1541 break;
1542
1543 case AR_F_FREEBSD_RAID:
1544 case AR_F_PROMISE_RAID:
1545 lba = PROMISE_LBA(rdp->disks[disk].dev);
1546 size = sizeof(struct promise_raid_conf);
1547 break;
1548
1549 case AR_F_SII_RAID:
1550 lba = SII_LBA(rdp->disks[disk].dev);
1551 size = sizeof(struct sii_raid_conf);
1552 break;
1553
1554 case AR_F_SIS_RAID:
1555 lba = SIS_LBA(rdp->disks[disk].dev);
1556 size = sizeof(struct sis_raid_conf);
1557 break;
1558
1559 case AR_F_VIA_RAID:
1560 lba = VIA_LBA(rdp->disks[disk].dev);
1561 size = sizeof(struct via_raid_conf);
1562 break;
1563
1564 default:
1565 kprintf("ar%d: wiping of %s metadata is NOT supported yet\n",
1566 rdp->lun, ata_raid_format(rdp));
1567 return ENXIO;
1568 }
1569 meta = kmalloc(size, M_AR, M_WAITOK | M_ZERO);
1570 if (ata_raid_rw(rdp->disks[disk].dev, lba, meta, size,
1571 ATA_R_WRITE | ATA_R_DIRECT)) {
1572 device_printf(rdp->disks[disk].dev, "wipe metadata failed\n");
1573 error = EIO;
1574 }
1575 kfree(meta, M_AR);
1576 }
1577 }
1578 return error;
1579 }
1580
1581 /* Adaptec HostRAID Metadata */
1582 static int
1583 ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp)
1584 {
1585 struct ata_raid_subdisk *ars = device_get_softc(dev);
1586 device_t parent = device_get_parent(dev);
1587 struct adaptec_raid_conf *meta;
1588 struct ar_softc *raid;
1589 int array, disk, retval = 0;
1590
1591 meta = (struct adaptec_raid_conf *)
1592 kmalloc(sizeof(struct adaptec_raid_conf), M_AR, M_WAITOK | M_ZERO);
1593
1594 if (ata_raid_rw(parent, ADP_LBA(parent),
1595 meta, sizeof(struct adaptec_raid_conf), ATA_R_READ)) {
1596 if (testing || bootverbose)
1597 device_printf(parent, "Adaptec read metadata failed\n");
1598 goto adaptec_out;
1599 }
1600
1601 /* check if this is a Adaptec RAID struct */
1602 if (meta->magic_0 != ADP_MAGIC_0 || meta->magic_3 != ADP_MAGIC_3) {
1603 if (testing || bootverbose)
1604 device_printf(parent, "Adaptec check1 failed\n");
1605 goto adaptec_out;
1606 }
1607
1608 if (testing || bootverbose)
1609 ata_raid_adaptec_print_meta(meta);
1610
1611 /* now convert Adaptec metadata into our generic form */
1612 for (array = 0; array < MAX_ARRAYS; array++) {
1613 if (!raidp[array]) {
1614 raidp[array] =
1615 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
1616 M_WAITOK | M_ZERO);
1617 }
1618 raid = raidp[array];
1619 if (raid->format && (raid->format != AR_F_ADAPTEC_RAID))
1620 continue;
1621
1622 if (raid->magic_0 && raid->magic_0 != meta->configs[0].magic_0)
1623 continue;
1624
1625 if (!meta->generation || be32toh(meta->generation) > raid->generation) {
1626 switch (meta->configs[0].type) {
1627 case ADP_T_RAID0:
1628 raid->magic_0 = meta->configs[0].magic_0;
1629 raid->type = AR_T_RAID0;
1630 raid->interleave = 1 << (meta->configs[0].stripe_shift >> 1);
1631 raid->width = be16toh(meta->configs[0].total_disks);
1632 break;
1633
1634 case ADP_T_RAID1:
1635 raid->magic_0 = meta->configs[0].magic_0;
1636 raid->type = AR_T_RAID1;
1637 raid->width = be16toh(meta->configs[0].total_disks) / 2;
1638 break;
1639
1640 default:
1641 device_printf(parent, "Adaptec unknown RAID type 0x%02x\n",
1642 meta->configs[0].type);
1643 kfree(raidp[array], M_AR);
1644 raidp[array] = NULL;
1645 goto adaptec_out;
1646 }
1647
1648 raid->format = AR_F_ADAPTEC_RAID;
1649 raid->generation = be32toh(meta->generation);
1650 raid->total_disks = be16toh(meta->configs[0].total_disks);
1651 raid->total_sectors = be32toh(meta->configs[0].sectors);
1652 raid->heads = 255;
1653 raid->sectors = 63;
1654 raid->cylinders = raid->total_sectors / (63 * 255);
1655 raid->offset_sectors = 0;
1656 raid->rebuild_lba = 0;
1657 raid->lun = array;
1658 strncpy(raid->name, meta->configs[0].name,
1659 min(sizeof(raid->name), sizeof(meta->configs[0].name)));
1660
1661 /* clear out any old info */
1662 if (raid->generation) {
1663 for (disk = 0; disk < raid->total_disks; disk++) {
1664 raid->disks[disk].dev = NULL;
1665 raid->disks[disk].flags = 0;
1666 }
1667 }
1668 }
1669 if (be32toh(meta->generation) >= raid->generation) {
1670 struct ata_device *atadev = device_get_softc(parent);
1671 struct ata_channel *ch = device_get_softc(GRANDPARENT(dev));
1672 int disk_number = (ch->unit << !(ch->flags & ATA_NO_SLAVE)) +
1673 ATA_DEV(atadev->unit);
1674
1675 raid->disks[disk_number].dev = parent;
1676 raid->disks[disk_number].sectors =
1677 be32toh(meta->configs[disk_number + 1].sectors);
1678 raid->disks[disk_number].flags =
1679 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
1680 ars->raid[raid->volume] = raid;
1681 ars->disk_number[raid->volume] = disk_number;
1682 retval = 1;
1683 }
1684 break;
1685 }
1686
1687 adaptec_out:
1688 kfree(meta, M_AR);
1689 return retval;
1690 }
1691
1692 /* Highpoint V2 RocketRAID Metadata */
1693 static int
1694 ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp)
1695 {
1696 struct ata_raid_subdisk *ars = device_get_softc(dev);
1697 device_t parent = device_get_parent(dev);
1698 struct hptv2_raid_conf *meta;
1699 struct ar_softc *raid = NULL;
1700 int array, disk_number = 0, retval = 0;
1701
1702 meta = (struct hptv2_raid_conf *)kmalloc(sizeof(struct hptv2_raid_conf),
1703 M_AR, M_WAITOK | M_ZERO);
1704
1705 if (ata_raid_rw(parent, HPTV2_LBA(parent),
1706 meta, sizeof(struct hptv2_raid_conf), ATA_R_READ)) {
1707 if (testing || bootverbose)
1708 device_printf(parent, "HighPoint (v2) read metadata failed\n");
1709 goto hptv2_out;
1710 }
1711
1712 /* check if this is a HighPoint v2 RAID struct */
1713 if (meta->magic != HPTV2_MAGIC_OK && meta->magic != HPTV2_MAGIC_BAD) {
1714 if (testing || bootverbose)
1715 device_printf(parent, "HighPoint (v2) check1 failed\n");
1716 goto hptv2_out;
1717 }
1718
1719 /* is this disk defined, or an old leftover/spare ? */
1720 if (!meta->magic_0) {
1721 if (testing || bootverbose)
1722 device_printf(parent, "HighPoint (v2) check2 failed\n");
1723 goto hptv2_out;
1724 }
1725
1726 if (testing || bootverbose)
1727 ata_raid_hptv2_print_meta(meta);
1728
1729 /* now convert HighPoint (v2) metadata into our generic form */
1730 for (array = 0; array < MAX_ARRAYS; array++) {
1731 if (!raidp[array]) {
1732 raidp[array] =
1733 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
1734 M_WAITOK | M_ZERO);
1735 }
1736 raid = raidp[array];
1737 if (raid->format && (raid->format != AR_F_HPTV2_RAID))
1738 continue;
1739
1740 switch (meta->type) {
1741 case HPTV2_T_RAID0:
1742 if ((meta->order & (HPTV2_O_RAID0|HPTV2_O_OK)) ==
1743 (HPTV2_O_RAID0|HPTV2_O_OK))
1744 goto highpoint_raid1;
1745 if (meta->order & (HPTV2_O_RAID0 | HPTV2_O_RAID1))
1746 goto highpoint_raid01;
1747 if (raid->magic_0 && raid->magic_0 != meta->magic_0)
1748 continue;
1749 raid->magic_0 = meta->magic_0;
1750 raid->type = AR_T_RAID0;
1751 raid->interleave = 1 << meta->stripe_shift;
1752 disk_number = meta->disk_number;
1753 if (!(meta->order & HPTV2_O_OK))
1754 meta->magic = 0; /* mark bad */
1755 break;
1756
1757 case HPTV2_T_RAID1:
1758 highpoint_raid1:
1759 if (raid->magic_0 && raid->magic_0 != meta->magic_0)
1760 continue;
1761 raid->magic_0 = meta->magic_0;
1762 raid->type = AR_T_RAID1;
1763 disk_number = (meta->disk_number > 0);
1764 break;
1765
1766 case HPTV2_T_RAID01_RAID0:
1767 highpoint_raid01:
1768 if (meta->order & HPTV2_O_RAID0) {
1769 if ((raid->magic_0 && raid->magic_0 != meta->magic_0) ||
1770 (raid->magic_1 && raid->magic_1 != meta->magic_1))
1771 continue;
1772 raid->magic_0 = meta->magic_0;
1773 raid->magic_1 = meta->magic_1;
1774 raid->type = AR_T_RAID01;
1775 raid->interleave = 1 << meta->stripe_shift;
1776 disk_number = meta->disk_number;
1777 }
1778 else {
1779 if (raid->magic_1 && raid->magic_1 != meta->magic_1)
1780 continue;
1781 raid->magic_1 = meta->magic_1;
1782 raid->type = AR_T_RAID01;
1783 raid->interleave = 1 << meta->stripe_shift;
1784 disk_number = meta->disk_number + meta->array_width;
1785 if (!(meta->order & HPTV2_O_RAID1))
1786 meta->magic = 0; /* mark bad */
1787 }
1788 break;
1789
1790 case HPTV2_T_SPAN:
1791 if (raid->magic_0 && raid->magic_0 != meta->magic_0)
1792 continue;
1793 raid->magic_0 = meta->magic_0;
1794 raid->type = AR_T_SPAN;
1795 disk_number = meta->disk_number;
1796 break;
1797
1798 default:
1799 device_printf(parent, "Highpoint (v2) unknown RAID type 0x%02x\n",
1800 meta->type);
1801 kfree(raidp[array], M_AR);
1802 raidp[array] = NULL;
1803 goto hptv2_out;
1804 }
1805
1806 raid->format |= AR_F_HPTV2_RAID;
1807 raid->disks[disk_number].dev = parent;
1808 raid->disks[disk_number].flags = (AR_DF_PRESENT | AR_DF_ASSIGNED);
1809 raid->lun = array;
1810 strncpy(raid->name, meta->name_1,
1811 min(sizeof(raid->name), sizeof(meta->name_1)));
1812 if (meta->magic == HPTV2_MAGIC_OK) {
1813 raid->disks[disk_number].flags |= AR_DF_ONLINE;
1814 raid->width = meta->array_width;
1815 raid->total_sectors = meta->total_sectors;
1816 raid->heads = 255;
1817 raid->sectors = 63;
1818 raid->cylinders = raid->total_sectors / (63 * 255);
1819 raid->offset_sectors = HPTV2_LBA(parent) + 1;
1820 raid->rebuild_lba = meta->rebuild_lba;
1821 raid->disks[disk_number].sectors =
1822 raid->total_sectors / raid->width;
1823 }
1824 else
1825 raid->disks[disk_number].flags &= ~AR_DF_ONLINE;
1826
1827 if ((raid->type & AR_T_RAID0) && (raid->total_disks < raid->width))
1828 raid->total_disks = raid->width;
1829 if (disk_number >= raid->total_disks)
1830 raid->total_disks = disk_number + 1;
1831 ars->raid[raid->volume] = raid;
1832 ars->disk_number[raid->volume] = disk_number;
1833 retval = 1;
1834 break;
1835 }
1836
1837 hptv2_out:
1838 kfree(meta, M_AR);
1839 return retval;
1840 }
1841
1842 static int
1843 ata_raid_hptv2_write_meta(struct ar_softc *rdp)
1844 {
1845 struct hptv2_raid_conf *meta;
1846 struct timeval timestamp;
1847 int disk, error = 0;
1848
1849 meta = (struct hptv2_raid_conf *)kmalloc(sizeof(struct hptv2_raid_conf),
1850 M_AR, M_WAITOK | M_ZERO);
1851
1852 microtime(&timestamp);
1853 rdp->magic_0 = timestamp.tv_sec + 2;
1854 rdp->magic_1 = timestamp.tv_sec;
1855
1856 for (disk = 0; disk < rdp->total_disks; disk++) {
1857 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) ==
1858 (AR_DF_PRESENT | AR_DF_ONLINE))
1859 meta->magic = HPTV2_MAGIC_OK;
1860 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) {
1861 meta->magic_0 = rdp->magic_0;
1862 if (strlen(rdp->name))
1863 strncpy(meta->name_1, rdp->name, sizeof(meta->name_1));
1864 else
1865 strcpy(meta->name_1, "FreeBSD");
1866 }
1867 meta->disk_number = disk;
1868
1869 switch (rdp->type) {
1870 case AR_T_RAID0:
1871 meta->type = HPTV2_T_RAID0;
1872 strcpy(meta->name_2, "RAID 0");
1873 if (rdp->disks[disk].flags & AR_DF_ONLINE)
1874 meta->order = HPTV2_O_OK;
1875 break;
1876
1877 case AR_T_RAID1:
1878 meta->type = HPTV2_T_RAID0;
1879 strcpy(meta->name_2, "RAID 1");
1880 meta->disk_number = (disk < rdp->width) ? disk : disk + 5;
1881 meta->order = HPTV2_O_RAID0 | HPTV2_O_OK;
1882 break;
1883
1884 case AR_T_RAID01:
1885 meta->type = HPTV2_T_RAID01_RAID0;
1886 strcpy(meta->name_2, "RAID 0+1");
1887 if (rdp->disks[disk].flags & AR_DF_ONLINE) {
1888 if (disk < rdp->width) {
1889 meta->order = (HPTV2_O_RAID0 | HPTV2_O_RAID1);
1890 meta->magic_0 = rdp->magic_0 - 1;
1891 }
1892 else {
1893 meta->order = HPTV2_O_RAID1;
1894 meta->disk_number -= rdp->width;
1895 }
1896 }
1897 else
1898 meta->magic_0 = rdp->magic_0 - 1;
1899 meta->magic_1 = rdp->magic_1;
1900 break;
1901
1902 case AR_T_SPAN:
1903 meta->type = HPTV2_T_SPAN;
1904 strcpy(meta->name_2, "SPAN");
1905 break;
1906 default:
1907 kfree(meta, M_AR);
1908 return ENODEV;
1909 }
1910
1911 meta->array_width = rdp->width;
1912 meta->stripe_shift = (rdp->width > 1) ? (ffs(rdp->interleave)-1) : 0;
1913 meta->total_sectors = rdp->total_sectors;
1914 meta->rebuild_lba = rdp->rebuild_lba;
1915 if (testing || bootverbose)
1916 ata_raid_hptv2_print_meta(meta);
1917 if (rdp->disks[disk].dev) {
1918 if (ata_raid_rw(rdp->disks[disk].dev,
1919 HPTV2_LBA(rdp->disks[disk].dev), meta,
1920 sizeof(struct promise_raid_conf),
1921 ATA_R_WRITE | ATA_R_DIRECT)) {
1922 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
1923 error = EIO;
1924 }
1925 }
1926 }
1927 kfree(meta, M_AR);
1928 return error;
1929 }
1930
1931 /* Highpoint V3 RocketRAID Metadata */
1932 static int
1933 ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp)
1934 {
1935 struct ata_raid_subdisk *ars = device_get_softc(dev);
1936 device_t parent = device_get_parent(dev);
1937 struct hptv3_raid_conf *meta;
1938 struct ar_softc *raid = NULL;
1939 int array, disk_number, retval = 0;
1940
1941 meta = (struct hptv3_raid_conf *)kmalloc(sizeof(struct hptv3_raid_conf),
1942 M_AR, M_WAITOK | M_ZERO);
1943
1944 if (ata_raid_rw(parent, HPTV3_LBA(parent),
1945 meta, sizeof(struct hptv3_raid_conf), ATA_R_READ)) {
1946 if (testing || bootverbose)
1947 device_printf(parent, "HighPoint (v3) read metadata failed\n");
1948 goto hptv3_out;
1949 }
1950
1951 /* check if this is a HighPoint v3 RAID struct */
1952 if (meta->magic != HPTV3_MAGIC) {
1953 if (testing || bootverbose)
1954 device_printf(parent, "HighPoint (v3) check1 failed\n");
1955 goto hptv3_out;
1956 }
1957
1958 /* check if there are any config_entries */
1959 if (meta->config_entries < 1) {
1960 if (testing || bootverbose)
1961 device_printf(parent, "HighPoint (v3) check2 failed\n");
1962 goto hptv3_out;
1963 }
1964
1965 if (testing || bootverbose)
1966 ata_raid_hptv3_print_meta(meta);
1967
1968 /* now convert HighPoint (v3) metadata into our generic form */
1969 for (array = 0; array < MAX_ARRAYS; array++) {
1970 if (!raidp[array]) {
1971 raidp[array] =
1972 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
1973 M_WAITOK | M_ZERO);
1974 }
1975 raid = raidp[array];
1976 if (raid->format && (raid->format != AR_F_HPTV3_RAID))
1977 continue;
1978
1979 if ((raid->format & AR_F_HPTV3_RAID) && raid->magic_0 != meta->magic_0)
1980 continue;
1981
1982 switch (meta->configs[0].type) {
1983 case HPTV3_T_RAID0:
1984 raid->type = AR_T_RAID0;
1985 raid->width = meta->configs[0].total_disks;
1986 disk_number = meta->configs[0].disk_number;
1987 break;
1988
1989 case HPTV3_T_RAID1:
1990 raid->type = AR_T_RAID1;
1991 raid->width = meta->configs[0].total_disks / 2;
1992 disk_number = meta->configs[0].disk_number;
1993 break;
1994
1995 case HPTV3_T_RAID5:
1996 raid->type = AR_T_RAID5;
1997 raid->width = meta->configs[0].total_disks;
1998 disk_number = meta->configs[0].disk_number;
1999 break;
2000
2001 case HPTV3_T_SPAN:
2002 raid->type = AR_T_SPAN;
2003 raid->width = meta->configs[0].total_disks;
2004 disk_number = meta->configs[0].disk_number;
2005 break;
2006
2007 default:
2008 device_printf(parent, "Highpoint (v3) unknown RAID type 0x%02x\n",
2009 meta->configs[0].type);
2010 kfree(raidp[array], M_AR);
2011 raidp[array] = NULL;
2012 goto hptv3_out;
2013 }
2014 if (meta->config_entries == 2) {
2015 switch (meta->configs[1].type) {
2016 case HPTV3_T_RAID1:
2017 if (raid->type == AR_T_RAID0) {
2018 raid->type = AR_T_RAID01;
2019 disk_number = meta->configs[1].disk_number +
2020 (meta->configs[0].disk_number << 1);
2021 break;
2022 }
2023 default:
2024 device_printf(parent, "Highpoint (v3) unknown level 2 0x%02x\n",
2025 meta->configs[1].type);
2026 kfree(raidp[array], M_AR);
2027 raidp[array] = NULL;
2028 goto hptv3_out;
2029 }
2030 }
2031
2032 raid->magic_0 = meta->magic_0;
2033 raid->format = AR_F_HPTV3_RAID;
2034 raid->generation = meta->timestamp;
2035 raid->interleave = 1 << meta->configs[0].stripe_shift;
2036 raid->total_disks = meta->configs[0].total_disks +
2037 meta->configs[1].total_disks;
2038 raid->total_sectors = meta->configs[0].total_sectors +
2039 ((u_int64_t)meta->configs_high[0].total_sectors << 32);
2040 raid->heads = 255;
2041 raid->sectors = 63;
2042 raid->cylinders = raid->total_sectors / (63 * 255);
2043 raid->offset_sectors = 0;
2044 raid->rebuild_lba = meta->configs[0].rebuild_lba +
2045 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32);
2046 raid->lun = array;
2047 strncpy(raid->name, meta->name,
2048 min(sizeof(raid->name), sizeof(meta->name)));
2049 raid->disks[disk_number].sectors = raid->total_sectors /
2050 (raid->type == AR_T_RAID5 ? raid->width - 1 : raid->width);
2051 raid->disks[disk_number].dev = parent;
2052 raid->disks[disk_number].flags =
2053 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
2054 ars->raid[raid->volume] = raid;
2055 ars->disk_number[raid->volume] = disk_number;
2056 retval = 1;
2057 break;
2058 }
2059
2060 hptv3_out:
2061 kfree(meta, M_AR);
2062 return retval;
2063 }
2064
2065 /* Intel MatrixRAID Metadata */
2066 static int
2067 ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp)
2068 {
2069 struct ata_raid_subdisk *ars = device_get_softc(dev);
2070 device_t parent = device_get_parent(dev);
2071 struct intel_raid_conf *meta;
2072 struct intel_raid_mapping *map;
2073 struct ar_softc *raid = NULL;
2074 u_int32_t checksum, *ptr;
2075 int array, count, disk, volume = 1, retval = 0;
2076 char *tmp;
2077
2078 meta = (struct intel_raid_conf *)kmalloc(1536, M_AR, M_WAITOK | M_ZERO);
2079
2080 if (ata_raid_rw(parent, INTEL_LBA(parent), meta, 1024, ATA_R_READ)) {
2081 if (testing || bootverbose)
2082 device_printf(parent, "Intel read metadata failed\n");
2083 goto intel_out;
2084 }
2085 tmp = (char *)meta;
2086 bcopy(tmp, tmp+1024, 512);
2087 bcopy(tmp+512, tmp, 1024);
2088 bzero(tmp+1024, 512);
2089
2090 /* check if this is a Intel RAID struct */
2091 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) {
2092 if (testing || bootverbose)
2093 device_printf(parent, "Intel check1 failed\n");
2094 goto intel_out;
2095 }
2096
2097 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0;
2098 count < (meta->config_size / sizeof(u_int32_t)); count++) {
2099 checksum += *ptr++;
2100 }
2101 checksum -= meta->checksum;
2102 if (checksum != meta->checksum) {
2103 if (testing || bootverbose)
2104 device_printf(parent, "Intel check2 failed\n");
2105 goto intel_out;
2106 }
2107
2108 if (testing || bootverbose)
2109 ata_raid_intel_print_meta(meta);
2110
2111 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks];
2112
2113 /* now convert Intel metadata into our generic form */
2114 for (array = 0; array < MAX_ARRAYS; array++) {
2115 if (!raidp[array]) {
2116 raidp[array] =
2117 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
2118 M_WAITOK | M_ZERO);
2119 }
2120 raid = raidp[array];
2121 if (raid->format && (raid->format != AR_F_INTEL_RAID))
2122 continue;
2123
2124 if ((raid->format & AR_F_INTEL_RAID) &&
2125 (raid->magic_0 != meta->config_id))
2126 continue;
2127
2128 /*
2129 * update our knowledge about the array config based on generation
2130 * NOTE: there can be multiple volumes on a disk set
2131 */
2132 if (!meta->generation || meta->generation > raid->generation) {
2133 switch (map->type) {
2134 case INTEL_T_RAID0:
2135 raid->type = AR_T_RAID0;
2136 raid->width = map->total_disks;
2137 break;
2138
2139 case INTEL_T_RAID1:
2140 if (map->total_disks == 4)
2141 raid->type = AR_T_RAID01;
2142 else
2143 raid->type = AR_T_RAID1;
2144 raid->width = map->total_disks / 2;
2145 break;
2146
2147 case INTEL_T_RAID5:
2148 raid->type = AR_T_RAID5;
2149 raid->width = map->total_disks;
2150 break;
2151
2152 default:
2153 device_printf(parent, "Intel unknown RAID type 0x%02x\n",
2154 map->type);
2155 kfree(raidp[array], M_AR);
2156 raidp[array] = NULL;
2157 goto intel_out;
2158 }
2159
2160 switch (map->status) {
2161 case INTEL_S_READY:
2162 raid->status = AR_S_READY;
2163 break;
2164 case INTEL_S_DEGRADED:
2165 raid->status |= AR_S_DEGRADED;
2166 break;
2167 case INTEL_S_DISABLED:
2168 case INTEL_S_FAILURE:
2169 raid->status = 0;
2170 }
2171
2172 raid->magic_0 = meta->config_id;
2173 raid->format = AR_F_INTEL_RAID;
2174 raid->generation = meta->generation;
2175 raid->interleave = map->stripe_sectors;
2176 raid->total_disks = map->total_disks;
2177 raid->total_sectors = map->total_sectors;
2178 raid->heads = 255;
2179 raid->sectors = 63;
2180 raid->cylinders = raid->total_sectors / (63 * 255);
2181 raid->offset_sectors = map->offset;
2182 raid->rebuild_lba = 0;
2183 raid->lun = array;
2184 raid->volume = volume - 1;
2185 strncpy(raid->name, map->name,
2186 min(sizeof(raid->name), sizeof(map->name)));
2187
2188 /* clear out any old info */
2189 for (disk = 0; disk < raid->total_disks; disk++) {
2190 raid->disks[disk].dev = NULL;
2191 bcopy(meta->disk[map->disk_idx[disk]].serial,
2192 raid->disks[disk].serial,
2193 sizeof(raid->disks[disk].serial));
2194 raid->disks[disk].sectors =
2195 meta->disk[map->disk_idx[disk]].sectors;
2196 raid->disks[disk].flags = 0;
2197 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_ONLINE)
2198 raid->disks[disk].flags |= AR_DF_ONLINE;
2199 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_ASSIGNED)
2200 raid->disks[disk].flags |= AR_DF_ASSIGNED;
2201 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_SPARE) {
2202 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED);
2203 raid->disks[disk].flags |= AR_DF_SPARE;
2204 }
2205 if (meta->disk[map->disk_idx[disk]].flags & INTEL_F_DOWN)
2206 raid->disks[disk].flags &= ~AR_DF_ONLINE;
2207 }
2208 }
2209 if (meta->generation >= raid->generation) {
2210 for (disk = 0; disk < raid->total_disks; disk++) {
2211 struct ata_device *atadev = device_get_softc(parent);
2212
2213 if (!strncmp(raid->disks[disk].serial, atadev->param.serial,
2214 sizeof(raid->disks[disk].serial))) {
2215 raid->disks[disk].dev = parent;
2216 raid->disks[disk].flags |= (AR_DF_PRESENT | AR_DF_ONLINE);
2217 ars->raid[raid->volume] = raid;
2218 ars->disk_number[raid->volume] = disk;
2219 retval = 1;
2220 }
2221 }
2222 }
2223 else
2224 goto intel_out;
2225
2226 if (retval) {
2227 if (volume < meta->total_volumes) {
2228 map = (struct intel_raid_mapping *)
2229 &map->disk_idx[map->total_disks];
2230 volume++;
2231 retval = 0;
2232 continue;
2233 }
2234 break;
2235 }
2236 else {
2237 kfree(raidp[array], M_AR);
2238 raidp[array] = NULL;
2239 if (volume == 2)
2240 retval = 1;
2241 }
2242 }
2243
2244 intel_out:
2245 kfree(meta, M_AR);
2246 return retval;
2247 }
2248
2249 static int
2250 ata_raid_intel_write_meta(struct ar_softc *rdp)
2251 {
2252 struct intel_raid_conf *meta;
2253 struct intel_raid_mapping *map;
2254 struct timeval timestamp;
2255 u_int32_t checksum, *ptr;
2256 int count, disk, error = 0;
2257 char *tmp;
2258
2259 meta = (struct intel_raid_conf *)kmalloc(1536, M_AR, M_WAITOK | M_ZERO);
2260
2261 rdp->generation++;
2262
2263 /* Generate a new config_id if none exists */
2264 if (!rdp->magic_0) {
2265 microtime(&timestamp);
2266 rdp->magic_0 = timestamp.tv_sec ^ timestamp.tv_usec;
2267 }
2268
2269 bcopy(INTEL_MAGIC, meta->intel_id, sizeof(meta->intel_id));
2270 bcopy(INTEL_VERSION_1100, meta->version, sizeof(meta->version));
2271 meta->config_id = rdp->magic_0;
2272 meta->generation = rdp->generation;
2273 meta->total_disks = rdp->total_disks;
2274 meta->total_volumes = 1; /* XXX SOS */
2275 for (disk = 0; disk < rdp->total_disks; disk++) {
2276 if (rdp->disks[disk].dev) {
2277 struct ata_channel *ch =
2278 device_get_softc(device_get_parent(rdp->disks[disk].dev));
2279 struct ata_device *atadev =
2280 device_get_softc(rdp->disks[disk].dev);
2281
2282 bcopy(atadev->param.serial, meta->disk[disk].serial,
2283 sizeof(rdp->disks[disk].serial));
2284 meta->disk[disk].sectors = rdp->disks[disk].sectors;
2285 meta->disk[disk].id = (ch->unit << 16) | ATA_DEV(atadev->unit);
2286 }
2287 else
2288 meta->disk[disk].sectors = rdp->total_sectors / rdp->width;
2289 meta->disk[disk].flags = 0;
2290 if (rdp->disks[disk].flags & AR_DF_SPARE)
2291 meta->disk[disk].flags |= INTEL_F_SPARE;
2292 else {
2293 if (rdp->disks[disk].flags & AR_DF_ONLINE)
2294 meta->disk[disk].flags |= INTEL_F_ONLINE;
2295 else
2296 meta->disk[disk].flags |= INTEL_F_DOWN;
2297 if (rdp->disks[disk].flags & AR_DF_ASSIGNED)
2298 meta->disk[disk].flags |= INTEL_F_ASSIGNED;
2299 }
2300 }
2301 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks];
2302
2303 bcopy(rdp->name, map->name, sizeof(rdp->name));
2304 map->total_sectors = rdp->total_sectors;
2305 map->state = 12; /* XXX SOS */
2306 map->offset = rdp->offset_sectors;
2307 map->stripe_count = rdp->total_sectors / (rdp->interleave*rdp->total_disks);
2308 map->stripe_sectors = rdp->interleave;
2309 map->disk_sectors = rdp->total_sectors / rdp->width;
2310 map->status = INTEL_S_READY; /* XXX SOS */
2311 switch (rdp->type) {
2312 case AR_T_RAID0:
2313 map->type = INTEL_T_RAID0;
2314 break;
2315 case AR_T_RAID1:
2316 map->type = INTEL_T_RAID1;
2317 break;
2318 case AR_T_RAID01:
2319 map->type = INTEL_T_RAID1;
2320 break;
2321 case AR_T_RAID5:
2322 map->type = INTEL_T_RAID5;
2323 break;
2324 default:
2325 kfree(meta, M_AR);
2326 return ENODEV;
2327 }
2328 map->total_disks = rdp->total_disks;
2329 map->magic[0] = 0x02;
2330 map->magic[1] = 0xff;
2331 map->magic[2] = 0x01;
2332 for (disk = 0; disk < rdp->total_disks; disk++)
2333 map->disk_idx[disk] = disk;
2334
2335 meta->config_size = (char *)&map->disk_idx[disk] - (char *)meta;
2336 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0;
2337 count < (meta->config_size / sizeof(u_int32_t)); count++) {
2338 checksum += *ptr++;
2339 }
2340 meta->checksum = checksum;
2341
2342 if (testing || bootverbose)
2343 ata_raid_intel_print_meta(meta);
2344
2345 tmp = (char *)meta;
2346 bcopy(tmp, tmp+1024, 512);
2347 bcopy(tmp+512, tmp, 1024);
2348 bzero(tmp+1024, 512);
2349
2350 for (disk = 0; disk < rdp->total_disks; disk++) {
2351 if (rdp->disks[disk].dev) {
2352 if (ata_raid_rw(rdp->disks[disk].dev,
2353 INTEL_LBA(rdp->disks[disk].dev),
2354 meta, 1024, ATA_R_WRITE | ATA_R_DIRECT)) {
2355 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
2356 error = EIO;
2357 }
2358 }
2359 }
2360 kfree(meta, M_AR);
2361 return error;
2362 }
2363
2364
2365 /* Integrated Technology Express Metadata */
2366 static int
2367 ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp)
2368 {
2369 struct ata_raid_subdisk *ars = device_get_softc(dev);
2370 device_t parent = device_get_parent(dev);
2371 struct ite_raid_conf *meta;
2372 struct ar_softc *raid = NULL;
2373 int array, disk_number, count, retval = 0;
2374 u_int16_t *ptr;
2375
2376 meta = (struct ite_raid_conf *)kmalloc(sizeof(struct ite_raid_conf), M_AR,
2377 M_WAITOK | M_ZERO);
2378
2379 if (ata_raid_rw(parent, ITE_LBA(parent),
2380 meta, sizeof(struct ite_raid_conf), ATA_R_READ)) {
2381 if (testing || bootverbose)
2382 device_printf(parent, "ITE read metadata failed\n");
2383 goto ite_out;
2384 }
2385
2386 /* check if this is a ITE RAID struct */
2387 for (ptr = (u_int16_t *)meta->ite_id, count = 0;
2388 count < sizeof(meta->ite_id)/sizeof(uint16_t); count++)
2389 ptr[count] = be16toh(ptr[count]);
2390
2391 if (strncmp(meta->ite_id, ITE_MAGIC, strlen(ITE_MAGIC))) {
2392 if (testing || bootverbose)
2393 device_printf(parent, "ITE check1 failed\n");
2394 goto ite_out;
2395 }
2396
2397 if (testing || bootverbose)
2398 ata_raid_ite_print_meta(meta);
2399
2400 /* now convert ITE metadata into our generic form */
2401 for (array = 0; array < MAX_ARRAYS; array++) {
2402 if ((raid = raidp[array])) {
2403 if (raid->format != AR_F_ITE_RAID)
2404 continue;
2405 if (raid->magic_0 != *((u_int64_t *)meta->timestamp_0))
2406 continue;
2407 }
2408
2409 /* if we dont have a disks timestamp the RAID is invalidated */
2410 if (*((u_int64_t *)meta->timestamp_1) == 0)
2411 goto ite_out;
2412
2413 if (!raid) {
2414 raidp[array] = (struct ar_softc *)kmalloc(sizeof(struct ar_softc),
2415 M_AR, M_WAITOK | M_ZERO);
2416 }
2417
2418 switch (meta->type) {
2419 case ITE_T_RAID0:
2420 raid->type = AR_T_RAID0;
2421 raid->width = meta->array_width;
2422 raid->total_disks = meta->array_width;
2423 disk_number = meta->disk_number;
2424 break;
2425
2426 case ITE_T_RAID1:
2427 raid->type = AR_T_RAID1;
2428 raid->width = 1;
2429 raid->total_disks = 2;
2430 disk_number = meta->disk_number;
2431 break;
2432
2433 case ITE_T_RAID01:
2434 raid->type = AR_T_RAID01;
2435 raid->width = meta->array_width;
2436 raid->total_disks = 4;
2437 disk_number = ((meta->disk_number & 0x02) >> 1) |
2438 ((meta->disk_number & 0x01) << 1);
2439 break;
2440
2441 case ITE_T_SPAN:
2442 raid->type = AR_T_SPAN;
2443 raid->width = 1;
2444 raid->total_disks = meta->array_width;
2445 disk_number = meta->disk_number;
2446 break;
2447
2448 default:
2449 device_printf(parent, "ITE unknown RAID type 0x%02x\n", meta->type);
2450 kfree(raidp[array], M_AR);
2451 raidp[array] = NULL;
2452 goto ite_out;
2453 }
2454
2455 raid->magic_0 = *((u_int64_t *)meta->timestamp_0);
2456 raid->format = AR_F_ITE_RAID;
2457 raid->generation = 0;
2458 raid->interleave = meta->stripe_sectors;
2459 raid->total_sectors = meta->total_sectors;
2460 raid->heads = 255;
2461 raid->sectors = 63;
2462 raid->cylinders = raid->total_sectors / (63 * 255);
2463 raid->offset_sectors = 0;
2464 raid->rebuild_lba = 0;
2465 raid->lun = array;
2466
2467 raid->disks[disk_number].dev = parent;
2468 raid->disks[disk_number].sectors = raid->total_sectors / raid->width;
2469 raid->disks[disk_number].flags =
2470 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
2471 ars->raid[raid->volume] = raid;
2472 ars->disk_number[raid->volume] = disk_number;
2473 retval = 1;
2474 break;
2475 }
2476 ite_out:
2477 kfree(meta, M_AR);
2478 return retval;
2479 }
2480
2481 /* JMicron Technology Corp Metadata */
2482 static int
2483 ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp)
2484 {
2485 struct ata_raid_subdisk *ars = device_get_softc(dev);
2486 device_t parent = device_get_parent(dev);
2487 struct jmicron_raid_conf *meta;
2488 struct ar_softc *raid = NULL;
2489 u_int16_t checksum, *ptr;
2490 u_int64_t disk_size;
2491 int count, array, disk, total_disks, retval = 0;
2492
2493 meta = (struct jmicron_raid_conf *)
2494 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO);
2495
2496 if (ata_raid_rw(parent, JMICRON_LBA(parent),
2497 meta, sizeof(struct jmicron_raid_conf), ATA_R_READ)) {
2498 if (testing || bootverbose)
2499 device_printf(parent,
2500 "JMicron read metadata failed\n");
2501 }
2502
2503 /* check for JMicron signature */
2504 if (strncmp(meta->signature, JMICRON_MAGIC, 2)) {
2505 if (testing || bootverbose)
2506 device_printf(parent, "JMicron check1 failed\n");
2507 goto jmicron_out;
2508 }
2509
2510 /* calculate checksum and compare for valid */
2511 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 64; count++)
2512 checksum += *ptr++;
2513 if (checksum) {
2514 if (testing || bootverbose)
2515 device_printf(parent, "JMicron check2 failed\n");
2516 goto jmicron_out;
2517 }
2518
2519 if (testing || bootverbose)
2520 ata_raid_jmicron_print_meta(meta);
2521
2522 /* now convert JMicron meta into our generic form */
2523 for (array = 0; array < MAX_ARRAYS; array++) {
2524 jmicron_next:
2525 if (!raidp[array]) {
2526 raidp[array] =
2527 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
2528 M_WAITOK | M_ZERO);
2529 }
2530 raid = raidp[array];
2531 if (raid->format && (raid->format != AR_F_JMICRON_RAID))
2532 continue;
2533
2534 for (total_disks = 0, disk = 0; disk < JM_MAX_DISKS; disk++) {
2535 if (meta->disks[disk]) {
2536 if (raid->format == AR_F_JMICRON_RAID) {
2537 if (bcmp(&meta->disks[disk],
2538 raid->disks[disk].serial, sizeof(u_int32_t))) {
2539 array++;
2540 goto jmicron_next;
2541 }
2542 }
2543 else
2544 bcopy(&meta->disks[disk],
2545 raid->disks[disk].serial, sizeof(u_int32_t));
2546 total_disks++;
2547 }
2548 }
2549 /* handle spares XXX SOS */
2550
2551 switch (meta->type) {
2552 case JM_T_RAID0:
2553 raid->type = AR_T_RAID0;
2554 raid->width = total_disks;
2555 break;
2556
2557 case JM_T_RAID1:
2558 raid->type = AR_T_RAID1;
2559 raid->width = 1;
2560 break;
2561
2562 case JM_T_RAID01:
2563 raid->type = AR_T_RAID01;
2564 raid->width = total_disks / 2;
2565 break;
2566
2567 case JM_T_RAID5:
2568 raid->type = AR_T_RAID5;
2569 raid->width = total_disks;
2570 break;
2571
2572 case JM_T_JBOD:
2573 raid->type = AR_T_SPAN;
2574 raid->width = 1;
2575 break;
2576
2577 default:
2578 device_printf(parent,
2579 "JMicron unknown RAID type 0x%02x\n", meta->type);
2580 kfree(raidp[array], M_AR);
2581 raidp[array] = NULL;
2582 goto jmicron_out;
2583 }
2584 disk_size = (meta->disk_sectors_high << 16) + meta->disk_sectors_low;
2585 raid->format = AR_F_JMICRON_RAID;
2586 strncpy(raid->name, meta->name, sizeof(meta->name));
2587 raid->generation = 0;
2588 raid->interleave = 2 << meta->stripe_shift;
2589 raid->total_disks = total_disks;
2590 raid->total_sectors = disk_size * (raid->width-(raid->type==AR_RAID5));
2591 raid->heads = 255;
2592 raid->sectors = 63;
2593 raid->cylinders = raid->total_sectors / (63 * 255);
2594 raid->offset_sectors = meta->offset * 16;
2595 raid->rebuild_lba = 0;
2596 raid->lun = array;
2597
2598 for (disk = 0; disk < raid->total_disks; disk++) {
2599 if (meta->disks[disk] == meta->disk_id) {
2600 raid->disks[disk].dev = parent;
2601 raid->disks[disk].sectors = disk_size;
2602 raid->disks[disk].flags =
2603 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
2604 ars->raid[raid->volume] = raid;
2605 ars->disk_number[raid->volume] = disk;
2606 retval = 1;
2607 break;
2608 }
2609 }
2610 break;
2611 }
2612 jmicron_out:
2613 kfree(meta, M_AR);
2614 return retval;
2615 }
2616
2617 static int
2618 ata_raid_jmicron_write_meta(struct ar_softc *rdp)
2619 {
2620 struct jmicron_raid_conf *meta;
2621 u_int64_t disk_sectors;
2622 int disk, error = 0;
2623
2624 meta = (struct jmicron_raid_conf *)
2625 kmalloc(sizeof(struct jmicron_raid_conf), M_AR, M_WAITOK | M_ZERO);
2626
2627 rdp->generation++;
2628 switch (rdp->type) {
2629 case AR_T_JBOD:
2630 meta->type = JM_T_JBOD;
2631 break;
2632
2633 case AR_T_RAID0:
2634 meta->type = JM_T_RAID0;
2635 break;
2636
2637 case AR_T_RAID1:
2638 meta->type = JM_T_RAID1;
2639 break;
2640
2641 case AR_T_RAID5:
2642 meta->type = JM_T_RAID5;
2643 break;
2644
2645 case AR_T_RAID01:
2646 meta->type = JM_T_RAID01;
2647 break;
2648
2649 default:
2650 kfree(meta, M_AR);
2651 return ENODEV;
2652 }
2653 bcopy(JMICRON_MAGIC, meta->signature, sizeof(JMICRON_MAGIC));
2654 meta->version = JMICRON_VERSION;
2655 meta->offset = rdp->offset_sectors / 16;
2656 disk_sectors = rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5));
2657 meta->disk_sectors_low = disk_sectors & 0xffff;
2658 meta->disk_sectors_high = disk_sectors >> 16;
2659 strncpy(meta->name, rdp->name, sizeof(meta->name));
2660 meta->stripe_shift = ffs(rdp->interleave) - 2;
2661
2662 for (disk = 0; disk < rdp->total_disks; disk++) {
2663 if (rdp->disks[disk].serial[0])
2664 bcopy(rdp->disks[disk].serial,&meta->disks[disk],sizeof(u_int32_t));
2665 else
2666 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev;
2667 }
2668
2669 for (disk = 0; disk < rdp->total_disks; disk++) {
2670 if (rdp->disks[disk].dev) {
2671 u_int16_t checksum = 0, *ptr;
2672 int count;
2673
2674 meta->disk_id = meta->disks[disk];
2675 meta->checksum = 0;
2676 for (ptr = (u_int16_t *)meta, count = 0; count < 64; count++)
2677 checksum += *ptr++;
2678 meta->checksum -= checksum;
2679
2680 if (testing || bootverbose)
2681 ata_raid_jmicron_print_meta(meta);
2682
2683 if (ata_raid_rw(rdp->disks[disk].dev,
2684 JMICRON_LBA(rdp->disks[disk].dev),
2685 meta, sizeof(struct jmicron_raid_conf),
2686 ATA_R_WRITE | ATA_R_DIRECT)) {
2687 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
2688 error = EIO;
2689 }
2690 }
2691 }
2692 /* handle spares XXX SOS */
2693
2694 kfree(meta, M_AR);
2695 return error;
2696 }
2697
2698 /* LSILogic V2 MegaRAID Metadata */
2699 static int
2700 ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp)
2701 {
2702 struct ata_raid_subdisk *ars = device_get_softc(dev);
2703 device_t parent = device_get_parent(dev);
2704 struct lsiv2_raid_conf *meta;
2705 struct ar_softc *raid = NULL;
2706 int array, retval = 0;
2707
2708 meta = (struct lsiv2_raid_conf *)kmalloc(sizeof(struct lsiv2_raid_conf),
2709 M_AR, M_WAITOK | M_ZERO);
2710
2711 if (ata_raid_rw(parent, LSIV2_LBA(parent),
2712 meta, sizeof(struct lsiv2_raid_conf), ATA_R_READ)) {
2713 if (testing || bootverbose)
2714 device_printf(parent, "LSI (v2) read metadata failed\n");
2715 goto lsiv2_out;
2716 }
2717
2718 /* check if this is a LSI RAID struct */
2719 if (strncmp(meta->lsi_id, LSIV2_MAGIC, strlen(LSIV2_MAGIC))) {
2720 if (testing || bootverbose)
2721 device_printf(parent, "LSI (v2) check1 failed\n");
2722 goto lsiv2_out;
2723 }
2724
2725 if (testing || bootverbose)
2726 ata_raid_lsiv2_print_meta(meta);
2727
2728 /* now convert LSI (v2) config meta into our generic form */
2729 for (array = 0; array < MAX_ARRAYS; array++) {
2730 int raid_entry, conf_entry;
2731
2732 if (!raidp[array + meta->raid_number]) {
2733 raidp[array + meta->raid_number] =
2734 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
2735 M_WAITOK | M_ZERO);
2736 }
2737 raid = raidp[array + meta->raid_number];
2738 if (raid->format && (raid->format != AR_F_LSIV2_RAID))
2739 continue;
2740
2741 if (raid->magic_0 &&
2742 ((raid->magic_0 != meta->timestamp) ||
2743 (raid->magic_1 != meta->raid_number)))
2744 continue;
2745
2746 array += meta->raid_number;
2747
2748 raid_entry = meta->raid_number;
2749 conf_entry = (meta->configs[raid_entry].raid.config_offset >> 4) +
2750 meta->disk_number - 1;
2751
2752 switch (meta->configs[raid_entry].raid.type) {
2753 case LSIV2_T_RAID0:
2754 raid->magic_0 = meta->timestamp;
2755 raid->magic_1 = meta->raid_number;
2756 raid->type = AR_T_RAID0;
2757 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors;
2758 raid->width = meta->configs[raid_entry].raid.array_width;
2759 break;
2760
2761 case LSIV2_T_RAID1:
2762 raid->magic_0 = meta->timestamp;
2763 raid->magic_1 = meta->raid_number;
2764 raid->type = AR_T_RAID1;
2765 raid->width = meta->configs[raid_entry].raid.array_width;
2766 break;
2767
2768 case LSIV2_T_RAID0 | LSIV2_T_RAID1:
2769 raid->magic_0 = meta->timestamp;
2770 raid->magic_1 = meta->raid_number;
2771 raid->type = AR_T_RAID01;
2772 raid->interleave = meta->configs[raid_entry].raid.stripe_sectors;
2773 raid->width = meta->configs[raid_entry].raid.array_width;
2774 break;
2775
2776 default:
2777 device_printf(parent, "LSI v2 unknown RAID type 0x%02x\n",
2778 meta->configs[raid_entry].raid.type);
2779 kfree(raidp[array], M_AR);
2780 raidp[array] = NULL;
2781 goto lsiv2_out;
2782 }
2783
2784 raid->format = AR_F_LSIV2_RAID;
2785 raid->generation = 0;
2786 raid->total_disks = meta->configs[raid_entry].raid.disk_count;
2787 raid->total_sectors = meta->configs[raid_entry].raid.total_sectors;
2788 raid->heads = 255;
2789 raid->sectors = 63;
2790 raid->cylinders = raid->total_sectors / (63 * 255);
2791 raid->offset_sectors = 0;
2792 raid->rebuild_lba = 0;
2793 raid->lun = array;
2794
2795 if (meta->configs[conf_entry].disk.device != LSIV2_D_NONE) {
2796 raid->disks[meta->disk_number].dev = parent;
2797 raid->disks[meta->disk_number].sectors =
2798 meta->configs[conf_entry].disk.disk_sectors;
2799 raid->disks[meta->disk_number].flags =
2800 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
2801 ars->raid[raid->volume] = raid;
2802 ars->disk_number[raid->volume] = meta->disk_number;
2803 retval = 1;
2804 }
2805 else
2806 raid->disks[meta->disk_number].flags &= ~AR_DF_ONLINE;
2807
2808 break;
2809 }
2810
2811 lsiv2_out:
2812 kfree(meta, M_AR);
2813 return retval;
2814 }
2815
2816 /* LSILogic V3 MegaRAID Metadata */
2817 static int
2818 ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp)
2819 {
2820 struct ata_raid_subdisk *ars = device_get_softc(dev);
2821 device_t parent = device_get_parent(dev);
2822 struct lsiv3_raid_conf *meta;
2823 struct ar_softc *raid = NULL;
2824 u_int8_t checksum, *ptr;
2825 int array, entry, count, disk_number, retval = 0;
2826
2827 meta = (struct lsiv3_raid_conf *)kmalloc(sizeof(struct lsiv3_raid_conf),
2828 M_AR, M_WAITOK | M_ZERO);
2829
2830 if (ata_raid_rw(parent, LSIV3_LBA(parent),
2831 meta, sizeof(struct lsiv3_raid_conf), ATA_R_READ)) {
2832 if (testing || bootverbose)
2833 device_printf(parent, "LSI (v3) read metadata failed\n");
2834 goto lsiv3_out;
2835 }
2836
2837 /* check if this is a LSI RAID struct */
2838 if (strncmp(meta->lsi_id, LSIV3_MAGIC, strlen(LSIV3_MAGIC))) {
2839 if (testing || bootverbose)
2840 device_printf(parent, "LSI (v3) check1 failed\n");
2841 goto lsiv3_out;
2842 }
2843
2844 /* check if the checksum is OK */
2845 for (checksum = 0, ptr = meta->lsi_id, count = 0; count < 512; count++)
2846 checksum += *ptr++;
2847 if (checksum) {
2848 if (testing || bootverbose)
2849 device_printf(parent, "LSI (v3) check2 failed\n");
2850 goto lsiv3_out;
2851 }
2852
2853 if (testing || bootverbose)
2854 ata_raid_lsiv3_print_meta(meta);
2855
2856 /* now convert LSI (v3) config meta into our generic form */
2857 for (array = 0, entry = 0; array < MAX_ARRAYS && entry < 8;) {
2858 if (!raidp[array]) {
2859 raidp[array] =
2860 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
2861 M_WAITOK | M_ZERO);
2862 }
2863 raid = raidp[array];
2864 if (raid->format && (raid->format != AR_F_LSIV3_RAID)) {
2865 array++;
2866 continue;
2867 }
2868
2869 if ((raid->format == AR_F_LSIV3_RAID) &&
2870 (raid->magic_0 != meta->timestamp)) {
2871 array++;
2872 continue;
2873 }
2874
2875 switch (meta->raid[entry].total_disks) {
2876 case 0:
2877 entry++;
2878 continue;
2879 case 1:
2880 if (meta->raid[entry].device == meta->device) {
2881 disk_number = 0;
2882 break;
2883 }
2884 if (raid->format)
2885 array++;
2886 entry++;
2887 continue;
2888 case 2:
2889 disk_number = (meta->device & (LSIV3_D_DEVICE|LSIV3_D_CHANNEL))?1:0;
2890 break;
2891 default:
2892 device_printf(parent, "lsiv3 > 2 disk support untested!!\n");
2893 disk_number = (meta->device & LSIV3_D_DEVICE ? 1 : 0) +
2894 (meta->device & LSIV3_D_CHANNEL ? 2 : 0);
2895 break;
2896 }
2897
2898 switch (meta->raid[entry].type) {
2899 case LSIV3_T_RAID0:
2900 raid->type = AR_T_RAID0;
2901 raid->width = meta->raid[entry].total_disks;
2902 break;
2903
2904 case LSIV3_T_RAID1:
2905 raid->type = AR_T_RAID1;
2906 raid->width = meta->raid[entry].array_width;
2907 break;
2908
2909 default:
2910 device_printf(parent, "LSI v3 unknown RAID type 0x%02x\n",
2911 meta->raid[entry].type);
2912 kfree(raidp[array], M_AR);
2913 raidp[array] = NULL;
2914 entry++;
2915 continue;
2916 }
2917
2918 raid->magic_0 = meta->timestamp;
2919 raid->format = AR_F_LSIV3_RAID;
2920 raid->generation = 0;
2921 raid->interleave = meta->raid[entry].stripe_pages * 8;
2922 raid->total_disks = meta->raid[entry].total_disks;
2923 raid->total_sectors = raid->width * meta->raid[entry].sectors;
2924 raid->heads = 255;
2925 raid->sectors = 63;
2926 raid->cylinders = raid->total_sectors / (63 * 255);
2927 raid->offset_sectors = meta->raid[entry].offset;
2928 raid->rebuild_lba = 0;
2929 raid->lun = array;
2930
2931 raid->disks[disk_number].dev = parent;
2932 raid->disks[disk_number].sectors = raid->total_sectors / raid->width;
2933 raid->disks[disk_number].flags =
2934 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
2935 ars->raid[raid->volume] = raid;
2936 ars->disk_number[raid->volume] = disk_number;
2937 retval = 1;
2938 entry++;
2939 array++;
2940 }
2941
2942 lsiv3_out:
2943 kfree(meta, M_AR);
2944 return retval;
2945 }
2946
2947 /* nVidia MediaShield Metadata */
2948 static int
2949 ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp)
2950 {
2951 struct ata_raid_subdisk *ars = device_get_softc(dev);
2952 device_t parent = device_get_parent(dev);
2953 struct nvidia_raid_conf *meta;
2954 struct ar_softc *raid = NULL;
2955 u_int32_t checksum, *ptr;
2956 int array, count, retval = 0;
2957
2958 meta = (struct nvidia_raid_conf *)kmalloc(sizeof(struct nvidia_raid_conf),
2959 M_AR, M_WAITOK | M_ZERO);
2960
2961 if (ata_raid_rw(parent, NVIDIA_LBA(parent),
2962 meta, sizeof(struct nvidia_raid_conf), ATA_R_READ)) {
2963 if (testing || bootverbose)
2964 device_printf(parent, "nVidia read metadata failed\n");
2965 goto nvidia_out;
2966 }
2967
2968 /* check if this is a nVidia RAID struct */
2969 if (strncmp(meta->nvidia_id, NV_MAGIC, strlen(NV_MAGIC))) {
2970 if (testing || bootverbose)
2971 device_printf(parent, "nVidia check1 failed\n");
2972 goto nvidia_out;
2973 }
2974
2975 /* check if the checksum is OK */
2976 for (checksum = 0, ptr = (u_int32_t*)meta, count = 0;
2977 count < meta->config_size; count++)
2978 checksum += *ptr++;
2979 if (checksum) {
2980 if (testing || bootverbose)
2981 device_printf(parent, "nVidia check2 failed\n");
2982 goto nvidia_out;
2983 }
2984
2985 if (testing || bootverbose)
2986 ata_raid_nvidia_print_meta(meta);
2987
2988 /* now convert nVidia meta into our generic form */
2989 for (array = 0; array < MAX_ARRAYS; array++) {
2990 if (!raidp[array]) {
2991 raidp[array] =
2992 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
2993 M_WAITOK | M_ZERO);
2994 }
2995 raid = raidp[array];
2996 if (raid->format && (raid->format != AR_F_NVIDIA_RAID))
2997 continue;
2998
2999 if (raid->format == AR_F_NVIDIA_RAID &&
3000 ((raid->magic_0 != meta->magic_1) ||
3001 (raid->magic_1 != meta->magic_2))) {
3002 continue;
3003 }
3004
3005 switch (meta->type) {
3006 case NV_T_SPAN:
3007 raid->type = AR_T_SPAN;
3008 break;
3009
3010 case NV_T_RAID0:
3011 raid->type = AR_T_RAID0;
3012 break;
3013
3014 case NV_T_RAID1:
3015 raid->type = AR_T_RAID1;
3016 break;
3017
3018 case NV_T_RAID5:
3019 raid->type = AR_T_RAID5;
3020 break;
3021
3022 case NV_T_RAID01:
3023 raid->type = AR_T_RAID01;
3024 break;
3025
3026 default:
3027 device_printf(parent, "nVidia unknown RAID type 0x%02x\n",
3028 meta->type);
3029 kfree(raidp[array], M_AR);
3030 raidp[array] = NULL;
3031 goto nvidia_out;
3032 }
3033 raid->magic_0 = meta->magic_1;
3034 raid->magic_1 = meta->magic_2;
3035 raid->format = AR_F_NVIDIA_RAID;
3036 raid->generation = 0;
3037 raid->interleave = meta->stripe_sectors;
3038 raid->width = meta->array_width;
3039 raid->total_disks = meta->total_disks;
3040 raid->total_sectors = meta->total_sectors;
3041 raid->heads = 255;
3042 raid->sectors = 63;
3043 raid->cylinders = raid->total_sectors / (63 * 255);
3044 raid->offset_sectors = 0;
3045 raid->rebuild_lba = meta->rebuild_lba;
3046 raid->lun = array;
3047 raid->status = AR_S_READY;
3048 if (meta->status & NV_S_DEGRADED)
3049 raid->status |= AR_S_DEGRADED;
3050
3051 raid->disks[meta->disk_number].dev = parent;
3052 raid->disks[meta->disk_number].sectors =
3053 raid->total_sectors / raid->width;
3054 raid->disks[meta->disk_number].flags =
3055 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
3056 ars->raid[raid->volume] = raid;
3057 ars->disk_number[raid->volume] = meta->disk_number;
3058 retval = 1;
3059 break;
3060 }
3061
3062 nvidia_out:
3063 kfree(meta, M_AR);
3064 return retval;
3065 }
3066
3067 /* Promise FastTrak Metadata */
3068 static int
3069 ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native)
3070 {
3071 struct ata_raid_subdisk *ars = device_get_softc(dev);
3072 device_t parent = device_get_parent(dev);
3073 struct promise_raid_conf *meta;
3074 struct ar_softc *raid;
3075 u_int32_t checksum, *ptr;
3076 int array, count, disk, disksum = 0, retval = 0;
3077
3078 meta = (struct promise_raid_conf *)
3079 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK | M_ZERO);
3080
3081 if (ata_raid_rw(parent, PROMISE_LBA(parent),
3082 meta, sizeof(struct promise_raid_conf), ATA_R_READ)) {
3083 if (testing || bootverbose)
3084 device_printf(parent, "%s read metadata failed\n",
3085 native ? "FreeBSD" : "Promise");
3086 goto promise_out;
3087 }
3088
3089 /* check the signature */
3090 if (native) {
3091 if (strncmp(meta->promise_id, ATA_MAGIC, strlen(ATA_MAGIC))) {
3092 if (testing || bootverbose)
3093 device_printf(parent, "FreeBSD check1 failed\n");
3094 goto promise_out;
3095 }
3096 }
3097 else {
3098 if (strncmp(meta->promise_id, PR_MAGIC, strlen(PR_MAGIC))) {
3099 if (testing || bootverbose)
3100 device_printf(parent, "Promise check1 failed\n");
3101 goto promise_out;
3102 }
3103 }
3104
3105 /* check if the checksum is OK */
3106 for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; count < 511; count++)
3107 checksum += *ptr++;
3108 if (checksum != *ptr) {
3109 if (testing || bootverbose)
3110 device_printf(parent, "%s check2 failed\n",
3111 native ? "FreeBSD" : "Promise");
3112 goto promise_out;
3113 }
3114
3115 /* check on disk integrity status */
3116 if (meta->raid.integrity != PR_I_VALID) {
3117 if (testing || bootverbose)
3118 device_printf(parent, "%s check3 failed\n",
3119 native ? "FreeBSD" : "Promise");
3120 goto promise_out;
3121 }
3122
3123 if (testing || bootverbose)
3124 ata_raid_promise_print_meta(meta);
3125
3126 /* now convert Promise metadata into our generic form */
3127 for (array = 0; array < MAX_ARRAYS; array++) {
3128 if (!raidp[array]) {
3129 raidp[array] =
3130 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
3131 M_WAITOK | M_ZERO);
3132 }
3133 raid = raidp[array];
3134 if (raid->format &&
3135 (raid->format != (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID)))
3136 continue;
3137
3138 if ((raid->format == (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))&&
3139 !(meta->raid.magic_1 == (raid->magic_1)))
3140 continue;
3141
3142 /* update our knowledge about the array config based on generation */
3143 if (!meta->raid.generation || meta->raid.generation > raid->generation){
3144 switch (meta->raid.type) {
3145 case PR_T_SPAN:
3146 raid->type = AR_T_SPAN;
3147 break;
3148
3149 case PR_T_JBOD:
3150 raid->type = AR_T_JBOD;
3151 break;
3152
3153 case PR_T_RAID0:
3154 raid->type = AR_T_RAID0;
3155 break;
3156
3157 case PR_T_RAID1:
3158 raid->type = AR_T_RAID1;
3159 if (meta->raid.array_width > 1)
3160 raid->type = AR_T_RAID01;
3161 break;
3162
3163 case PR_T_RAID5:
3164 raid->type = AR_T_RAID5;
3165 break;
3166
3167 default:
3168 device_printf(parent, "%s unknown RAID type 0x%02x\n",
3169 native ? "FreeBSD" : "Promise", meta->raid.type);
3170 kfree(raidp[array], M_AR);
3171 raidp[array] = NULL;
3172 goto promise_out;
3173 }
3174 raid->magic_1 = meta->raid.magic_1;
3175 raid->format = (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID);
3176 raid->generation = meta->raid.generation;
3177 raid->interleave = 1 << meta->raid.stripe_shift;
3178 raid->width = meta->raid.array_width;
3179 raid->total_disks = meta->raid.total_disks;
3180 raid->heads = meta->raid.heads + 1;
3181 raid->sectors = meta->raid.sectors;
3182 raid->cylinders = meta->raid.cylinders + 1;
3183 raid->total_sectors = meta->raid.total_sectors;
3184 raid->offset_sectors = 0;
3185 raid->rebuild_lba = meta->raid.rebuild_lba;
3186 raid->lun = array;
3187 if ((meta->raid.status &
3188 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) ==
3189 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) {
3190 raid->status |= AR_S_READY;
3191 if (meta->raid.status & PR_S_DEGRADED)
3192 raid->status |= AR_S_DEGRADED;
3193 }
3194 else
3195 raid->status &= ~AR_S_READY;
3196
3197 /* convert disk flags to our internal types */
3198 for (disk = 0; disk < meta->raid.total_disks; disk++) {
3199 raid->disks[disk].dev = NULL;
3200 raid->disks[disk].flags = 0;
3201 *((u_int64_t *)(raid->disks[disk].serial)) =
3202 meta->raid.disk[disk].magic_0;
3203 disksum += meta->raid.disk[disk].flags;
3204 if (meta->raid.disk[disk].flags & PR_F_ONLINE)
3205 raid->disks[disk].flags |= AR_DF_ONLINE;
3206 if (meta->raid.disk[disk].flags & PR_F_ASSIGNED)
3207 raid->disks[disk].flags |= AR_DF_ASSIGNED;
3208 if (meta->raid.disk[disk].flags & PR_F_SPARE) {
3209 raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED);
3210 raid->disks[disk].flags |= AR_DF_SPARE;
3211 }
3212 if (meta->raid.disk[disk].flags & (PR_F_REDIR | PR_F_DOWN))
3213 raid->disks[disk].flags &= ~AR_DF_ONLINE;
3214 }
3215 if (!disksum) {
3216 device_printf(parent, "%s subdisks has no flags\n",
3217 native ? "FreeBSD" : "Promise");
3218 kfree(raidp[array], M_AR);
3219 raidp[array] = NULL;
3220 goto promise_out;
3221 }
3222 }
3223 if (meta->raid.generation >= raid->generation) {
3224 int disk_number = meta->raid.disk_number;
3225
3226 if (raid->disks[disk_number].flags && (meta->magic_0 ==
3227 *((u_int64_t *)(raid->disks[disk_number].serial)))) {
3228 raid->disks[disk_number].dev = parent;
3229 raid->disks[disk_number].flags |= AR_DF_PRESENT;
3230 raid->disks[disk_number].sectors = meta->raid.disk_sectors;
3231 if ((raid->disks[disk_number].flags &
3232 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) ==
3233 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) {
3234 ars->raid[raid->volume] = raid;
3235 ars->disk_number[raid->volume] = disk_number;
3236 retval = 1;
3237 }
3238 }
3239 }
3240 break;
3241 }
3242
3243 promise_out:
3244 kfree(meta, M_AR);
3245 return retval;
3246 }
3247
3248 static int
3249 ata_raid_promise_write_meta(struct ar_softc *rdp)
3250 {
3251 struct promise_raid_conf *meta;
3252 struct timeval timestamp;
3253 u_int32_t *ckptr;
3254 int count, disk, drive, error = 0;
3255
3256 meta = (struct promise_raid_conf *)
3257 kmalloc(sizeof(struct promise_raid_conf), M_AR, M_WAITOK);
3258
3259 rdp->generation++;
3260 microtime(&timestamp);
3261
3262 for (disk = 0; disk < rdp->total_disks; disk++) {
3263 for (count = 0; count < sizeof(struct promise_raid_conf); count++)
3264 *(((u_int8_t *)meta) + count) = 255 - (count % 256);
3265 meta->dummy_0 = 0x00020000;
3266 meta->raid.disk_number = disk;
3267
3268 if (rdp->disks[disk].dev) {
3269 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev);
3270 struct ata_channel *ch =
3271 device_get_softc(device_get_parent(rdp->disks[disk].dev));
3272
3273 meta->raid.channel = ch->unit;
3274 meta->raid.device = ATA_DEV(atadev->unit);
3275 meta->raid.disk_sectors = rdp->disks[disk].sectors;
3276 meta->raid.disk_offset = rdp->offset_sectors;
3277 }
3278 else {
3279 meta->raid.channel = 0;
3280 meta->raid.device = 0;
3281 meta->raid.disk_sectors = 0;
3282 meta->raid.disk_offset = 0;
3283 }
3284 meta->magic_0 = PR_MAGIC0(meta->raid) | timestamp.tv_sec;
3285 meta->magic_1 = timestamp.tv_sec >> 16;
3286 meta->magic_2 = timestamp.tv_sec;
3287 meta->raid.integrity = PR_I_VALID;
3288 meta->raid.magic_0 = meta->magic_0;
3289 meta->raid.rebuild_lba = rdp->rebuild_lba;
3290 meta->raid.generation = rdp->generation;
3291
3292 if (rdp->status & AR_S_READY) {
3293 meta->raid.flags = (PR_F_VALID | PR_F_ASSIGNED | PR_F_ONLINE);
3294 meta->raid.status =
3295 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY);
3296 if (rdp->status & AR_S_DEGRADED)
3297 meta->raid.status |= PR_S_DEGRADED;
3298 else
3299 meta->raid.status |= PR_S_FUNCTIONAL;
3300 }
3301 else {
3302 meta->raid.flags = PR_F_DOWN;
3303 meta->raid.status = 0;
3304 }
3305
3306 switch (rdp->type) {
3307 case AR_T_RAID0:
3308 meta->raid.type = PR_T_RAID0;
3309 break;
3310 case AR_T_RAID1:
3311 meta->raid.type = PR_T_RAID1;
3312 break;
3313 case AR_T_RAID01:
3314 meta->raid.type = PR_T_RAID1;
3315 break;
3316 case AR_T_RAID5:
3317 meta->raid.type = PR_T_RAID5;
3318 break;
3319 case AR_T_SPAN:
3320 meta->raid.type = PR_T_SPAN;
3321 break;
3322 case AR_T_JBOD:
3323 meta->raid.type = PR_T_JBOD;
3324 break;
3325 default:
3326 kfree(meta, M_AR);
3327 return ENODEV;
3328 }
3329
3330 meta->raid.total_disks = rdp->total_disks;
3331 meta->raid.stripe_shift = ffs(rdp->interleave) - 1;
3332 meta->raid.array_width = rdp->width;
3333 meta->raid.array_number = rdp->lun;
3334 meta->raid.total_sectors = rdp->total_sectors;
3335 meta->raid.cylinders = rdp->cylinders - 1;
3336 meta->raid.heads = rdp->heads - 1;
3337 meta->raid.sectors = rdp->sectors;
3338 meta->raid.magic_1 = (u_int64_t)meta->magic_2<<16 | meta->magic_1;
3339
3340 bzero(&meta->raid.disk, 8 * 12);
3341 for (drive = 0; drive < rdp->total_disks; drive++) {
3342 meta->raid.disk[drive].flags = 0;
3343 if (rdp->disks[drive].flags & AR_DF_PRESENT)
3344 meta->raid.disk[drive].flags |= PR_F_VALID;
3345 if (rdp->disks[drive].flags & AR_DF_ASSIGNED)
3346 meta->raid.disk[drive].flags |= PR_F_ASSIGNED;
3347 if (rdp->disks[drive].flags & AR_DF_ONLINE)
3348 meta->raid.disk[drive].flags |= PR_F_ONLINE;
3349 else
3350 if (rdp->disks[drive].flags & AR_DF_PRESENT)
3351 meta->raid.disk[drive].flags = (PR_F_REDIR | PR_F_DOWN);
3352 if (rdp->disks[drive].flags & AR_DF_SPARE)
3353 meta->raid.disk[drive].flags |= PR_F_SPARE;
3354 meta->raid.disk[drive].dummy_0 = 0x0;
3355 if (rdp->disks[drive].dev) {
3356 struct ata_channel *ch =
3357 device_get_softc(device_get_parent(rdp->disks[drive].dev));
3358 struct ata_device *atadev =
3359 device_get_softc(rdp->disks[drive].dev);
3360
3361 meta->raid.disk[drive].channel = ch->unit;
3362 meta->raid.disk[drive].device = ATA_DEV(atadev->unit);
3363 }
3364 meta->raid.disk[drive].magic_0 =
3365 PR_MAGIC0(meta->raid.disk[drive]) | timestamp.tv_sec;
3366 }
3367
3368 if (rdp->disks[disk].dev) {
3369 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) ==
3370 (AR_DF_PRESENT | AR_DF_ONLINE)) {
3371 if (rdp->format == AR_F_FREEBSD_RAID)
3372 bcopy(ATA_MAGIC, meta->promise_id, sizeof(ATA_MAGIC));
3373 else
3374 bcopy(PR_MAGIC, meta->promise_id, sizeof(PR_MAGIC));
3375 }
3376 else
3377 bzero(meta->promise_id, sizeof(meta->promise_id));
3378 meta->checksum = 0;
3379 for (ckptr = (int32_t *)meta, count = 0; count < 511; count++)
3380 meta->checksum += *ckptr++;
3381 if (testing || bootverbose)
3382 ata_raid_promise_print_meta(meta);
3383 if (ata_raid_rw(rdp->disks[disk].dev,
3384 PROMISE_LBA(rdp->disks[disk].dev),
3385 meta, sizeof(struct promise_raid_conf),
3386 ATA_R_WRITE | ATA_R_DIRECT)) {
3387 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
3388 error = EIO;
3389 }
3390 }
3391 }
3392 kfree(meta, M_AR);
3393 return error;
3394 }
3395
3396 /* Silicon Image Medley Metadata */
3397 static int
3398 ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp)
3399 {
3400 struct ata_raid_subdisk *ars = device_get_softc(dev);
3401 device_t parent = device_get_parent(dev);
3402 struct sii_raid_conf *meta;
3403 struct ar_softc *raid = NULL;
3404 u_int16_t checksum, *ptr;
3405 int array, count, disk, retval = 0;
3406
3407 meta = (struct sii_raid_conf *)kmalloc(sizeof(struct sii_raid_conf), M_AR,
3408 M_WAITOK | M_ZERO);
3409
3410 if (ata_raid_rw(parent, SII_LBA(parent),
3411 meta, sizeof(struct sii_raid_conf), ATA_R_READ)) {
3412 if (testing || bootverbose)
3413 device_printf(parent, "Silicon Image read metadata failed\n");
3414 goto sii_out;
3415 }
3416
3417 /* check if this is a Silicon Image (Medley) RAID struct */
3418 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 160; count++)
3419 checksum += *ptr++;
3420 if (checksum) {
3421 if (testing || bootverbose)
3422 device_printf(parent, "Silicon Image check1 failed\n");
3423 goto sii_out;
3424 }
3425
3426 for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 256; count++)
3427 checksum += *ptr++;
3428 if (checksum != meta->checksum_1) {
3429 if (testing || bootverbose)
3430 device_printf(parent, "Silicon Image check2 failed\n");
3431 goto sii_out;
3432 }
3433
3434 /* check verison */
3435 if (meta->version_major != 0x0002 ||
3436 (meta->version_minor != 0x0000 && meta->version_minor != 0x0001)) {
3437 if (testing || bootverbose)
3438 device_printf(parent, "Silicon Image check3 failed\n");
3439 goto sii_out;
3440 }
3441
3442 if (testing || bootverbose)
3443 ata_raid_sii_print_meta(meta);
3444
3445 /* now convert Silicon Image meta into our generic form */
3446 for (array = 0; array < MAX_ARRAYS; array++) {
3447 if (!raidp[array]) {
3448 raidp[array] =
3449 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
3450 M_WAITOK | M_ZERO);
3451 }
3452 raid = raidp[array];
3453 if (raid->format && (raid->format != AR_F_SII_RAID))
3454 continue;
3455
3456 if (raid->format == AR_F_SII_RAID &&
3457 (raid->magic_0 != *((u_int64_t *)meta->timestamp))) {
3458 continue;
3459 }
3460
3461 /* update our knowledge about the array config based on generation */
3462 if (!meta->generation || meta->generation > raid->generation) {
3463 switch (meta->type) {
3464 case SII_T_RAID0:
3465 raid->type = AR_T_RAID0;
3466 break;
3467
3468 case SII_T_RAID1:
3469 raid->type = AR_T_RAID1;
3470 break;
3471
3472 case SII_T_RAID01:
3473 raid->type = AR_T_RAID01;
3474 break;
3475
3476 case SII_T_SPARE:
3477 device_printf(parent, "Silicon Image SPARE disk\n");
3478 kfree(raidp[array], M_AR);
3479 raidp[array] = NULL;
3480 goto sii_out;
3481
3482 default:
3483 device_printf(parent,"Silicon Image unknown RAID type 0x%02x\n",
3484 meta->type);
3485 kfree(raidp[array], M_AR);
3486 raidp[array] = NULL;
3487 goto sii_out;
3488 }
3489 raid->magic_0 = *((u_int64_t *)meta->timestamp);
3490 raid->format = AR_F_SII_RAID;
3491 raid->generation = meta->generation;
3492 raid->interleave = meta->stripe_sectors;
3493 raid->width = (meta->raid0_disks != 0xff) ? meta->raid0_disks : 1;
3494 raid->total_disks =
3495 ((meta->raid0_disks != 0xff) ? meta->raid0_disks : 0) +
3496 ((meta->raid1_disks != 0xff) ? meta->raid1_disks : 0);
3497 raid->total_sectors = meta->total_sectors;
3498 raid->heads = 255;
3499 raid->sectors = 63;
3500 raid->cylinders = raid->total_sectors / (63 * 255);
3501 raid->offset_sectors = 0;
3502 raid->rebuild_lba = meta->rebuild_lba;
3503 raid->lun = array;
3504 strncpy(raid->name, meta->name,
3505 min(sizeof(raid->name), sizeof(meta->name)));
3506
3507 /* clear out any old info */
3508 if (raid->generation) {
3509 for (disk = 0; disk < raid->total_disks; disk++) {
3510 raid->disks[disk].dev = NULL;
3511 raid->disks[disk].flags = 0;
3512 }
3513 }
3514 }
3515 if (meta->generation >= raid->generation) {
3516 /* XXX SOS add check for the right physical disk by serial# */
3517 if (meta->status & SII_S_READY) {
3518 int disk_number = (raid->type == AR_T_RAID01) ?
3519 meta->raid1_ident + (meta->raid0_ident << 1) :
3520 meta->disk_number;
3521
3522 raid->disks[disk_number].dev = parent;
3523 raid->disks[disk_number].sectors =
3524 raid->total_sectors / raid->width;
3525 raid->disks[disk_number].flags =
3526 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
3527 ars->raid[raid->volume] = raid;
3528 ars->disk_number[raid->volume] = disk_number;
3529 retval = 1;
3530 }
3531 }
3532 break;
3533 }
3534
3535 sii_out:
3536 kfree(meta, M_AR);
3537 return retval;
3538 }
3539
3540 /* Silicon Integrated Systems Metadata */
3541 static int
3542 ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp)
3543 {
3544 struct ata_raid_subdisk *ars = device_get_softc(dev);
3545 device_t parent = device_get_parent(dev);
3546 struct sis_raid_conf *meta;
3547 struct ar_softc *raid = NULL;
3548 int array, disk_number, drive, retval = 0;
3549
3550 meta = (struct sis_raid_conf *)kmalloc(sizeof(struct sis_raid_conf), M_AR,
3551 M_WAITOK | M_ZERO);
3552
3553 if (ata_raid_rw(parent, SIS_LBA(parent),
3554 meta, sizeof(struct sis_raid_conf), ATA_R_READ)) {
3555 if (testing || bootverbose)
3556 device_printf(parent,
3557 "Silicon Integrated Systems read metadata failed\n");
3558 }
3559
3560 /* check for SiS magic */
3561 if (meta->magic != SIS_MAGIC) {
3562 if (testing || bootverbose)
3563 device_printf(parent,
3564 "Silicon Integrated Systems check1 failed\n");
3565 goto sis_out;
3566 }
3567
3568 if (testing || bootverbose)
3569 ata_raid_sis_print_meta(meta);
3570
3571 /* now convert SiS meta into our generic form */
3572 for (array = 0; array < MAX_ARRAYS; array++) {
3573 if (!raidp[array]) {
3574 raidp[array] =
3575 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
3576 M_WAITOK | M_ZERO);
3577 }
3578
3579 raid = raidp[array];
3580 if (raid->format && (raid->format != AR_F_SIS_RAID))
3581 continue;
3582
3583 if ((raid->format == AR_F_SIS_RAID) &&
3584 ((raid->magic_0 != meta->controller_pci_id) ||
3585 (raid->magic_1 != meta->timestamp))) {
3586 continue;
3587 }
3588
3589 switch (meta->type_total_disks & SIS_T_MASK) {
3590 case SIS_T_JBOD:
3591 raid->type = AR_T_JBOD;
3592 raid->width = (meta->type_total_disks & SIS_D_MASK);
3593 raid->total_sectors += SIS_LBA(parent);
3594 break;
3595
3596 case SIS_T_RAID0:
3597 raid->type = AR_T_RAID0;
3598 raid->width = (meta->type_total_disks & SIS_D_MASK);
3599 if (!raid->total_sectors ||
3600 (raid->total_sectors > (raid->width * SIS_LBA(parent))))
3601 raid->total_sectors = raid->width * SIS_LBA(parent);
3602 break;
3603
3604 case SIS_T_RAID1:
3605 raid->type = AR_T_RAID1;
3606 raid->width = 1;
3607 if (!raid->total_sectors || (raid->total_sectors > SIS_LBA(parent)))
3608 raid->total_sectors = SIS_LBA(parent);
3609 break;
3610
3611 default:
3612 device_printf(parent, "Silicon Integrated Systems "
3613 "unknown RAID type 0x%08x\n", meta->magic);
3614 kfree(raidp[array], M_AR);
3615 raidp[array] = NULL;
3616 goto sis_out;
3617 }
3618 raid->magic_0 = meta->controller_pci_id;
3619 raid->magic_1 = meta->timestamp;
3620 raid->format = AR_F_SIS_RAID;
3621 raid->generation = 0;
3622 raid->interleave = meta->stripe_sectors;
3623 raid->total_disks = (meta->type_total_disks & SIS_D_MASK);
3624 raid->heads = 255;
3625 raid->sectors = 63;
3626 raid->cylinders = raid->total_sectors / (63 * 255);
3627 raid->offset_sectors = 0;
3628 raid->rebuild_lba = 0;
3629 raid->lun = array;
3630 /* XXX SOS if total_disks > 2 this doesn't float */
3631 if (((meta->disks & SIS_D_MASTER) >> 4) == meta->disk_number)
3632 disk_number = 0;
3633 else
3634 disk_number = 1;
3635
3636 for (drive = 0; drive < raid->total_disks; drive++) {
3637 raid->disks[drive].sectors = raid->total_sectors/raid->width;
3638 if (drive == disk_number) {
3639 raid->disks[disk_number].dev = parent;
3640 raid->disks[disk_number].flags =
3641 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
3642 ars->raid[raid->volume] = raid;
3643 ars->disk_number[raid->volume] = disk_number;
3644 }
3645 }
3646 retval = 1;
3647 break;
3648 }
3649
3650 sis_out:
3651 kfree(meta, M_AR);
3652 return retval;
3653 }
3654
3655 static int
3656 ata_raid_sis_write_meta(struct ar_softc *rdp)
3657 {
3658 struct sis_raid_conf *meta;
3659 struct timeval timestamp;
3660 int disk, error = 0;
3661
3662 meta = (struct sis_raid_conf *)kmalloc(sizeof(struct sis_raid_conf), M_AR,
3663 M_WAITOK | M_ZERO);
3664
3665 rdp->generation++;
3666 microtime(&timestamp);
3667
3668 meta->magic = SIS_MAGIC;
3669 /* XXX SOS if total_disks > 2 this doesn't float */
3670 for (disk = 0; disk < rdp->total_disks; disk++) {
3671 if (rdp->disks[disk].dev) {
3672 struct ata_channel *ch =
3673 device_get_softc(device_get_parent(rdp->disks[disk].dev));
3674 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev);
3675 int disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1);
3676
3677 meta->disks |= disk_number << ((1 - disk) << 2);
3678 }
3679 }
3680 switch (rdp->type) {
3681 case AR_T_JBOD:
3682 meta->type_total_disks = SIS_T_JBOD;
3683 break;
3684
3685 case AR_T_RAID0:
3686 meta->type_total_disks = SIS_T_RAID0;
3687 break;
3688
3689 case AR_T_RAID1:
3690 meta->type_total_disks = SIS_T_RAID1;
3691 break;
3692
3693 default:
3694 kfree(meta, M_AR);
3695 return ENODEV;
3696 }
3697 meta->type_total_disks |= (rdp->total_disks & SIS_D_MASK);
3698 meta->stripe_sectors = rdp->interleave;
3699 meta->timestamp = timestamp.tv_sec;
3700
3701 for (disk = 0; disk < rdp->total_disks; disk++) {
3702 if (rdp->disks[disk].dev) {
3703 struct ata_channel *ch =
3704 device_get_softc(device_get_parent(rdp->disks[disk].dev));
3705 struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev);
3706
3707 meta->controller_pci_id =
3708 (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev)) << 16) |
3709 pci_get_device(GRANDPARENT(rdp->disks[disk].dev));
3710 bcopy(atadev->param.model, meta->model, sizeof(meta->model));
3711
3712 /* XXX SOS if total_disks > 2 this may not float */
3713 meta->disk_number = 1 + ATA_DEV(atadev->unit) + (ch->unit << 1);
3714
3715 if (testing || bootverbose)
3716 ata_raid_sis_print_meta(meta);
3717
3718 if (ata_raid_rw(rdp->disks[disk].dev,
3719 SIS_LBA(rdp->disks[disk].dev),
3720 meta, sizeof(struct sis_raid_conf),
3721 ATA_R_WRITE | ATA_R_DIRECT)) {
3722 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
3723 error = EIO;
3724 }
3725 }
3726 }
3727 kfree(meta, M_AR);
3728 return error;
3729 }
3730
3731 /* VIA Tech V-RAID Metadata */
3732 static int
3733 ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp)
3734 {
3735 struct ata_raid_subdisk *ars = device_get_softc(dev);
3736 device_t parent = device_get_parent(dev);
3737 struct via_raid_conf *meta;
3738 struct ar_softc *raid = NULL;
3739 u_int8_t checksum, *ptr;
3740 int array, count, disk, retval = 0;
3741
3742 meta = (struct via_raid_conf *)kmalloc(sizeof(struct via_raid_conf), M_AR,
3743 M_WAITOK | M_ZERO);
3744
3745 if (ata_raid_rw(parent, VIA_LBA(parent),
3746 meta, sizeof(struct via_raid_conf), ATA_R_READ)) {
3747 if (testing || bootverbose)
3748 device_printf(parent, "VIA read metadata failed\n");
3749 goto via_out;
3750 }
3751
3752 /* check if this is a VIA RAID struct */
3753 if (meta->magic != VIA_MAGIC) {
3754 if (testing || bootverbose)
3755 device_printf(parent, "VIA check1 failed\n");
3756 goto via_out;
3757 }
3758
3759 /* calculate checksum and compare for valid */
3760 for (checksum = 0, ptr = (u_int8_t *)meta, count = 0; count < 50; count++)
3761 checksum += *ptr++;
3762 if (checksum != meta->checksum) {
3763 if (testing || bootverbose)
3764 device_printf(parent, "VIA check2 failed\n");
3765 goto via_out;
3766 }
3767
3768 if (testing || bootverbose)
3769 ata_raid_via_print_meta(meta);
3770
3771 /* now convert VIA meta into our generic form */
3772 for (array = 0; array < MAX_ARRAYS; array++) {
3773 if (!raidp[array]) {
3774 raidp[array] =
3775 (struct ar_softc *)kmalloc(sizeof(struct ar_softc), M_AR,
3776 M_WAITOK | M_ZERO);
3777 }
3778 raid = raidp[array];
3779 if (raid->format && (raid->format != AR_F_VIA_RAID))
3780 continue;
3781
3782 if (raid->format == AR_F_VIA_RAID && (raid->magic_0 != meta->disks[0]))
3783 continue;
3784
3785 switch (meta->type & VIA_T_MASK) {
3786 case VIA_T_RAID0:
3787 raid->type = AR_T_RAID0;
3788 raid->width = meta->stripe_layout & VIA_L_DISKS;
3789 if (!raid->total_sectors ||
3790 (raid->total_sectors > (raid->width * meta->disk_sectors)))
3791 raid->total_sectors = raid->width * meta->disk_sectors;
3792 break;
3793
3794 case VIA_T_RAID1:
3795 raid->type = AR_T_RAID1;
3796 raid->width = 1;
3797 raid->total_sectors = meta->disk_sectors;
3798 break;
3799
3800 case VIA_T_RAID01:
3801 raid->type = AR_T_RAID01;
3802 raid->width = meta->stripe_layout & VIA_L_DISKS;
3803 if (!raid->total_sectors ||
3804 (raid->total_sectors > (raid->width * meta->disk_sectors)))
3805 raid->total_sectors = raid->width * meta->disk_sectors;
3806 break;
3807
3808 case VIA_T_RAID5:
3809 raid->type = AR_T_RAID5;
3810 raid->width = meta->stripe_layout & VIA_L_DISKS;
3811 if (!raid->total_sectors ||
3812 (raid->total_sectors > ((raid->width - 1)*meta->disk_sectors)))
3813 raid->total_sectors = (raid->width - 1) * meta->disk_sectors;
3814 break;
3815
3816 case VIA_T_SPAN:
3817 raid->type = AR_T_SPAN;
3818 raid->width = 1;
3819 raid->total_sectors += meta->disk_sectors;
3820 break;
3821
3822 default:
3823 device_printf(parent,"VIA unknown RAID type 0x%02x\n", meta->type);
3824 kfree(raidp[array], M_AR);
3825 raidp[array] = NULL;
3826 goto via_out;
3827 }
3828 raid->magic_0 = meta->disks[0];
3829 raid->format = AR_F_VIA_RAID;
3830 raid->generation = 0;
3831 raid->interleave =
3832 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT);
3833 for (count = 0, disk = 0; disk < 8; disk++)
3834 if (meta->disks[disk])
3835 count++;
3836 raid->total_disks = count;
3837 raid->heads = 255;
3838 raid->sectors = 63;
3839 raid->cylinders = raid->total_sectors / (63 * 255);
3840 raid->offset_sectors = 0;
3841 raid->rebuild_lba = 0;
3842 raid->lun = array;
3843
3844 for (disk = 0; disk < raid->total_disks; disk++) {
3845 if (meta->disks[disk] == meta->disk_id) {
3846 raid->disks[disk].dev = parent;
3847 bcopy(&meta->disk_id, raid->disks[disk].serial,
3848 sizeof(u_int32_t));
3849 raid->disks[disk].sectors = meta->disk_sectors;
3850 raid->disks[disk].flags =
3851 (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED);
3852 ars->raid[raid->volume] = raid;
3853 ars->disk_number[raid->volume] = disk;
3854 retval = 1;
3855 break;
3856 }
3857 }
3858 break;
3859 }
3860
3861 via_out:
3862 kfree(meta, M_AR);
3863 return retval;
3864 }
3865
3866 static int
3867 ata_raid_via_write_meta(struct ar_softc *rdp)
3868 {
3869 struct via_raid_conf *meta;
3870 int disk, error = 0;
3871
3872 meta = (struct via_raid_conf *)kmalloc(sizeof(struct via_raid_conf), M_AR,
3873 M_WAITOK | M_ZERO);
3874
3875 rdp->generation++;
3876
3877 meta->magic = VIA_MAGIC;
3878 meta->dummy_0 = 0x02;
3879 switch (rdp->type) {
3880 case AR_T_SPAN:
3881 meta->type = VIA_T_SPAN;
3882 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS);
3883 break;
3884
3885 case AR_T_RAID0:
3886 meta->type = VIA_T_RAID0;
3887 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK);
3888 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS);
3889 break;
3890
3891 case AR_T_RAID1:
3892 meta->type = VIA_T_RAID1;
3893 meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS);
3894 break;
3895
3896 case AR_T_RAID5:
3897 meta->type = VIA_T_RAID5;
3898 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK);
3899 meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS);
3900 break;
3901
3902 case AR_T_RAID01:
3903 meta->type = VIA_T_RAID01;
3904 meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK);
3905 meta->stripe_layout |= (rdp->width & VIA_L_DISKS);
3906 break;
3907
3908 default:
3909 kfree(meta, M_AR);
3910 return ENODEV;
3911 }
3912 meta->type |= VIA_T_BOOTABLE; /* XXX SOS */
3913 meta->disk_sectors =
3914 rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5));
3915 for (disk = 0; disk < rdp->total_disks; disk++)
3916 meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev;
3917
3918 for (disk = 0; disk < rdp->total_disks; disk++) {
3919 if (rdp->disks[disk].dev) {
3920 u_int8_t *ptr;
3921 int count;
3922
3923 meta->disk_index = disk * sizeof(u_int32_t);
3924 if (rdp->type == AR_T_RAID01)
3925 meta->disk_index = ((meta->disk_index & 0x08) << 2) |
3926 (meta->disk_index & ~0x08);
3927 meta->disk_id = meta->disks[disk];
3928 meta->checksum = 0;
3929 for (ptr = (u_int8_t *)meta, count = 0; count < 50; count++)
3930 meta->checksum += *ptr++;
3931
3932 if (testing || bootverbose)
3933 ata_raid_via_print_meta(meta);
3934
3935 if (ata_raid_rw(rdp->disks[disk].dev,
3936 VIA_LBA(rdp->disks[disk].dev),
3937 meta, sizeof(struct via_raid_conf),
3938 ATA_R_WRITE | ATA_R_DIRECT)) {
3939 device_printf(rdp->disks[disk].dev, "write metadata failed\n");
3940 error = EIO;
3941 }
3942 }
3943 }
3944 kfree(meta, M_AR);
3945 return error;
3946 }
3947
3948 static struct ata_request *
3949 ata_raid_init_request(struct ar_softc *rdp, struct bio *bio)
3950 {
3951 struct ata_request *request;
3952
3953 if (!(request = ata_alloc_request())) {
3954 kprintf("FAILURE - out of memory in ata_raid_init_request\n");
3955 return NULL;
3956 }
3957 request->timeout = 5;
3958 request->retries = 2;
3959 request->callback = ata_raid_done;
3960 request->driver = rdp;
3961 request->bio = bio;
3962 switch (request->bio->bio_buf->b_cmd) {
3963 case BUF_CMD_READ:
3964 request->flags = ATA_R_READ;
3965 break;
3966 case BUF_CMD_WRITE:
3967 request->flags = ATA_R_WRITE;
3968 break;
3969 default:
3970 kprintf("ar%d: FAILURE - unknown BUF operation\n", rdp->lun);
3971 ata_free_request(request);
3972 #if 0
3973 bio->bio_buf->b_flags |= B_ERROR;
3974 bio->bio_buf->b_error = EIO;
3975 biodone(bio);
3976 #endif /* 0 */
3977 return(NULL);
3978 }
3979 return request;
3980 }
3981
3982 static int
3983 ata_raid_send_request(struct ata_request *request)
3984 {
3985 struct ata_device *atadev = device_get_softc(request->dev);
3986
3987 request->transfersize = min(request->bytecount, atadev->max_iosize);
3988 if (request->flags & ATA_R_READ) {
3989 if (atadev->mode >= ATA_DMA) {
3990 request->flags |= ATA_R_DMA;
3991 request->u.ata.command = ATA_READ_DMA;
3992 }
3993 else if (atadev->max_iosize > DEV_BSIZE)
3994 request->u.ata.command = ATA_READ_MUL;
3995 else
3996 request->u.ata.command = ATA_READ;
3997 }
3998 else if (request->flags & ATA_R_WRITE) {
3999 if (atadev->mode >= ATA_DMA) {
4000 request->flags |= ATA_R_DMA;
4001 request->u.ata.command = ATA_WRITE_DMA;
4002 }
4003 else if (atadev->max_iosize > DEV_BSIZE)
4004 request->u.ata.command = ATA_WRITE_MUL;
4005 else
4006 request->u.ata.command = ATA_WRITE;
4007 }
4008 else {
4009 device_printf(request->dev, "FAILURE - unknown IO operation\n");
4010 ata_free_request(request);
4011 return EIO;
4012 }
4013 request->flags |= (ATA_R_ORDERED | ATA_R_THREAD);
4014 ata_queue_request(request);
4015 return 0;
4016 }
4017
4018 static int
4019 ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags)
4020 {
4021 struct ata_device *atadev = device_get_softc(dev);
4022 struct ata_request *request;
4023 int error;
4024
4025 if (bcount % DEV_BSIZE) {
4026 device_printf(dev, "FAILURE - transfers must be modulo sectorsize\n");
4027 return ENOMEM;
4028 }
4029
4030 if (!(request = ata_alloc_request())) {
4031 device_printf(dev, "FAILURE - out of memory in ata_raid_rw\n");
4032 return ENOMEM;
4033 }
4034
4035 /* setup request */
4036 request->dev = dev;
4037 request->timeout = 10;
4038 request->retries = 0;
4039 request->data = data;
4040 request->bytecount = bcount;
4041 request->transfersize = DEV_BSIZE;
4042 request->u.ata.lba = lba;
4043 request->u.ata.count = request->bytecount / DEV_BSIZE;
4044 request->flags = flags;
4045
4046 if (flags & ATA_R_READ) {
4047 if (atadev->mode >= ATA_DMA) {
4048 request->u.ata.command = ATA_READ_DMA;
4049 request->flags |= ATA_R_DMA;
4050 }
4051 else
4052 request->u.ata.command = ATA_READ;
4053 ata_queue_request(request);
4054 }
4055 else if (flags & ATA_R_WRITE) {
4056 if (atadev->mode >= ATA_DMA) {
4057 request->u.ata.command = ATA_WRITE_DMA;
4058 request->flags |= ATA_R_DMA;
4059 }
4060 else
4061 request->u.ata.command = ATA_WRITE;
4062 ata_queue_request(request);
4063 }
4064 else {
4065 device_printf(dev, "FAILURE - unknown IO operation\n");
4066 request->result = EIO;
4067 }
4068 error = request->result;
4069 ata_free_request(request);
4070 return error;
4071 }
4072
4073 /*
4074 * module handeling
4075 */
4076 static int
4077 ata_raid_subdisk_probe(device_t dev)
4078 {
4079 device_quiet(dev);
4080 return 0;
4081 }
4082
4083 static int
4084 ata_raid_subdisk_attach(device_t dev)
4085 {
4086 struct ata_raid_subdisk *ars = device_get_softc(dev);
4087 int volume;
4088
4089 for (volume = 0; volume < MAX_VOLUMES; volume++) {
4090 ars->raid[volume] = NULL;
4091 ars->disk_number[volume] = -1;
4092 }
4093 ata_raid_read_metadata(dev);
4094 return 0;
4095 }
4096
4097 static int
4098 ata_raid_subdisk_detach(device_t dev)
4099 {
4100 struct ata_raid_subdisk *ars = device_get_softc(dev);
4101 int volume;
4102
4103 for (volume = 0; volume < MAX_VOLUMES; volume++) {
4104 if (ars->raid[volume]) {
4105 ars->raid[volume]->disks[ars->disk_number[volume]].flags &=
4106 ~(AR_DF_PRESENT | AR_DF_ONLINE);
4107 ars->raid[volume]->disks[ars->disk_number[volume]].dev = NULL;
4108 ata_raid_config_changed(ars->raid[volume], 1);
4109 ars->raid[volume] = NULL;
4110 ars->disk_number[volume] = -1;
4111 }
4112 }
4113 return 0;
4114 }
4115
4116 static device_method_t ata_raid_sub_methods[] = {
4117 /* device interface */
4118 DEVMETHOD(device_probe, ata_raid_subdisk_probe),
4119 DEVMETHOD(device_attach, ata_raid_subdisk_attach),
4120 DEVMETHOD(device_detach, ata_raid_subdisk_detach),
4121 { 0, 0 }
4122 };
4123
4124 static driver_t ata_raid_sub_driver = {
4125 "subdisk",
4126 ata_raid_sub_methods,
4127 sizeof(struct ata_raid_subdisk)
4128 };
4129
4130 DRIVER_MODULE(subdisk, ad, ata_raid_sub_driver, ata_raid_sub_devclass, NULL, NULL);
4131
4132 static int
4133 ata_raid_module_event_handler(module_t mod, int what, void *arg)
4134 {
4135 int i;
4136
4137 switch (what) {
4138 case MOD_LOAD:
4139 if (testing || bootverbose)
4140 kprintf("ATA PseudoRAID loaded\n");
4141 #if 0
4142 /* setup table to hold metadata for all ATA PseudoRAID arrays */
4143 ata_raid_arrays = kmalloc(sizeof(struct ar_soft *) * MAX_ARRAYS,
4144 M_AR, M_WAITOK | M_ZERO);
4145 #endif
4146 /* attach found PseudoRAID arrays */
4147 for (i = 0; i < MAX_ARRAYS; i++) {
4148 struct ar_softc *rdp = ata_raid_arrays[i];
4149
4150 if (!rdp || !rdp->format)
4151 continue;
4152 if (testing || bootverbose)
4153 ata_raid_print_meta(rdp);
4154 ata_raid_attach(rdp, 0);
4155 }
4156 ata_raid_ioctl_func = ata_raid_ioctl;
4157 return 0;
4158
4159 case MOD_UNLOAD:
4160 /* detach found PseudoRAID arrays */
4161 for (i = 0; i < MAX_ARRAYS; i++) {
4162 struct ar_softc *rdp = ata_raid_arrays[i];
4163
4164 if (!rdp || !rdp->status)
4165 continue;
4166 disk_destroy(&rdp->disk);
4167 }
4168 if (testing || bootverbose)
4169 kprintf("ATA PseudoRAID unloaded\n");
4170 #if 0
4171 kfree(ata_raid_arrays, M_AR);
4172 #endif
4173 ata_raid_ioctl_func = NULL;
4174 return 0;
4175
4176 default:
4177 return EOPNOTSUPP;
4178 }
4179 }
4180
4181 static moduledata_t ata_raid_moduledata =
4182 { "ataraid", ata_raid_module_event_handler, NULL };
4183 DECLARE_MODULE(ata, ata_raid_moduledata, SI_SUB_RAID, SI_ORDER_FIRST);
4184 MODULE_VERSION(ataraid, 1);
4185 MODULE_DEPEND(ataraid, ata, 1, 1, 1);
4186 MODULE_DEPEND(ataraid, ad, 1, 1, 1);
4187
4188 static char *
4189 ata_raid_format(struct ar_softc *rdp)
4190 {
4191 switch (rdp->format) {
4192 case AR_F_FREEBSD_RAID: return "FreeBSD PseudoRAID";
4193 case AR_F_ADAPTEC_RAID: return "Adaptec HostRAID";
4194 case AR_F_HPTV2_RAID: return "HighPoint v2 RocketRAID";
4195 case AR_F_HPTV3_RAID: return "HighPoint v3 RocketRAID";
4196 case AR_F_INTEL_RAID: return "Intel MatrixRAID";
4197 case AR_F_ITE_RAID: return "Integrated Technology Express";
4198 case AR_F_JMICRON_RAID: return "JMicron Technology Corp";
4199 case AR_F_LSIV2_RAID: return "LSILogic v2 MegaRAID";
4200 case AR_F_LSIV3_RAID: return "LSILogic v3 MegaRAID";
4201 case AR_F_NVIDIA_RAID: return "nVidia MediaShield";
4202 case AR_F_PROMISE_RAID: return "Promise Fasttrak";
4203 case AR_F_SII_RAID: return "Silicon Image Medley";
4204 case AR_F_SIS_RAID: return "Silicon Integrated Systems";
4205 case AR_F_VIA_RAID: return "VIA Tech V-RAID";
4206 default: return "UNKNOWN";
4207 }
4208 }
4209
4210 static char *
4211 ata_raid_type(struct ar_softc *rdp)
4212 {
4213 switch (rdp->type) {
4214 case AR_T_JBOD: return "JBOD";
4215 case AR_T_SPAN: return "SPAN";
4216 case AR_T_RAID0: return "RAID0";
4217 case AR_T_RAID1: return "RAID1";
4218 case AR_T_RAID3: return "RAID3";
4219 case AR_T_RAID4: return "RAID4";
4220 case AR_T_RAID5: return "RAID5";
4221 case AR_T_RAID01: return "RAID0+1";
4222 default: return "UNKNOWN";
4223 }
4224 }
4225
4226 static char *
4227 ata_raid_flags(struct ar_softc *rdp)
4228 {
4229 switch (rdp->status & (AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING)) {
4230 case AR_S_READY: return "READY";
4231 case AR_S_READY | AR_S_DEGRADED: return "DEGRADED";
4232 case AR_S_READY | AR_S_REBUILDING:
4233 case AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING: return "REBUILDING";
4234 default: return "BROKEN";
4235 }
4236 }
4237
4238 /* debugging gunk */
4239 static void
4240 ata_raid_print_meta(struct ar_softc *raid)
4241 {
4242 int i;
4243
4244 kprintf("********** ATA PseudoRAID ar%d Metadata **********\n", raid->lun);
4245 kprintf("=================================================\n");
4246 kprintf("format %s\n", ata_raid_format(raid));
4247 kprintf("type %s\n", ata_raid_type(raid));
4248 kprintf("flags 0x%02x %b\n", raid->status, raid->status,
4249 "\20\3REBUILDING\2DEGRADED\1READY\n");
4250 kprintf("magic_0 0x%016jx\n", raid->magic_0);
4251 kprintf("magic_1 0x%016jx\n",raid->magic_1);
4252 kprintf("generation %u\n", raid->generation);
4253 kprintf("total_sectors %ju\n", raid->total_sectors);
4254 kprintf("offset_sectors %ju\n", raid->offset_sectors);
4255 kprintf("heads %u\n", raid->heads);
4256 kprintf("sectors %u\n", raid->sectors);
4257 kprintf("cylinders %u\n", raid->cylinders);
4258 kprintf("width %u\n", raid->width);
4259 kprintf("interleave %u\n", raid->interleave);
4260 kprintf("total_disks %u\n", raid->total_disks);
4261 for (i = 0; i < raid->total_disks; i++) {
4262 kprintf(" disk %d: flags = 0x%02x %b\n", i, raid->disks[i].flags,
4263 raid->disks[i].flags, "\20\4ONLINE\3SPARE\2ASSIGNED\1PRESENT\n");
4264 if (raid->disks[i].dev) {
4265 kprintf(" ");
4266 device_printf(raid->disks[i].dev, " sectors %jd\n",
4267 raid->disks[i].sectors);
4268 }
4269 }
4270 kprintf("=================================================\n");
4271 }
4272
4273 static char *
4274 ata_raid_adaptec_type(int type)
4275 {
4276 static char buffer[16];
4277
4278 switch (type) {
4279 case ADP_T_RAID0: return "RAID0";
4280 case ADP_T_RAID1: return "RAID1";
4281 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4282 return buffer;
4283 }
4284 }
4285
4286 static void
4287 ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta)
4288 {
4289 int i;
4290
4291 kprintf("********* ATA Adaptec HostRAID Metadata *********\n");
4292 kprintf("magic_0 <0x%08x>\n", be32toh(meta->magic_0));
4293 kprintf("generation 0x%08x\n", be32toh(meta->generation));
4294 kprintf("dummy_0 0x%04x\n", be16toh(meta->dummy_0));
4295 kprintf("total_configs %u\n", be16toh(meta->total_configs));
4296 kprintf("dummy_1 0x%04x\n", be16toh(meta->dummy_1));
4297 kprintf("checksum 0x%04x\n", be16toh(meta->checksum));
4298 kprintf("dummy_2 0x%08x\n", be32toh(meta->dummy_2));
4299 kprintf("dummy_3 0x%08x\n", be32toh(meta->dummy_3));
4300 kprintf("flags 0x%08x\n", be32toh(meta->flags));
4301 kprintf("timestamp 0x%08x\n", be32toh(meta->timestamp));
4302 kprintf("dummy_4 0x%08x 0x%08x 0x%08x 0x%08x\n",
4303 be32toh(meta->dummy_4[0]), be32toh(meta->dummy_4[1]),
4304 be32toh(meta->dummy_4[2]), be32toh(meta->dummy_4[3]));
4305 kprintf("dummy_5 0x%08x 0x%08x 0x%08x 0x%08x\n",
4306 be32toh(meta->dummy_5[0]), be32toh(meta->dummy_5[1]),
4307 be32toh(meta->dummy_5[2]), be32toh(meta->dummy_5[3]));
4308
4309 for (i = 0; i < be16toh(meta->total_configs); i++) {
4310 kprintf(" %d total_disks %u\n", i,
4311 be16toh(meta->configs[i].disk_number));
4312 kprintf(" %d generation %u\n", i,
4313 be16toh(meta->configs[i].generation));
4314 kprintf(" %d magic_0 0x%08x\n", i,
4315 be32toh(meta->configs[i].magic_0));
4316 kprintf(" %d dummy_0 0x%02x\n", i, meta->configs[i].dummy_0);
4317 kprintf(" %d type %s\n", i,
4318 ata_raid_adaptec_type(meta->configs[i].type));
4319 kprintf(" %d dummy_1 0x%02x\n", i, meta->configs[i].dummy_1);
4320 kprintf(" %d flags %d\n", i,
4321 be32toh(meta->configs[i].flags));
4322 kprintf(" %d dummy_2 0x%02x\n", i, meta->configs[i].dummy_2);
4323 kprintf(" %d dummy_3 0x%02x\n", i, meta->configs[i].dummy_3);
4324 kprintf(" %d dummy_4 0x%02x\n", i, meta->configs[i].dummy_4);
4325 kprintf(" %d dummy_5 0x%02x\n", i, meta->configs[i].dummy_5);
4326 kprintf(" %d disk_number %u\n", i,
4327 be32toh(meta->configs[i].disk_number));
4328 kprintf(" %d dummy_6 0x%08x\n", i,
4329 be32toh(meta->configs[i].dummy_6));
4330 kprintf(" %d sectors %u\n", i,
4331 be32toh(meta->configs[i].sectors));
4332 kprintf(" %d stripe_shift %u\n", i,
4333 be16toh(meta->configs[i].stripe_shift));
4334 kprintf(" %d dummy_7 0x%08x\n", i,
4335 be32toh(meta->configs[i].dummy_7));
4336 kprintf(" %d dummy_8 0x%08x 0x%08x 0x%08x 0x%08x\n", i,
4337 be32toh(meta->configs[i].dummy_8[0]),
4338 be32toh(meta->configs[i].dummy_8[1]),
4339 be32toh(meta->configs[i].dummy_8[2]),
4340 be32toh(meta->configs[i].dummy_8[3]));
4341 kprintf(" %d name <%s>\n", i, meta->configs[i].name);
4342 }
4343 kprintf("magic_1 <0x%08x>\n", be32toh(meta->magic_1));
4344 kprintf("magic_2 <0x%08x>\n", be32toh(meta->magic_2));
4345 kprintf("magic_3 <0x%08x>\n", be32toh(meta->magic_3));
4346 kprintf("magic_4 <0x%08x>\n", be32toh(meta->magic_4));
4347 kprintf("=================================================\n");
4348 }
4349
4350 static char *
4351 ata_raid_hptv2_type(int type)
4352 {
4353 static char buffer[16];
4354
4355 switch (type) {
4356 case HPTV2_T_RAID0: return "RAID0";
4357 case HPTV2_T_RAID1: return "RAID1";
4358 case HPTV2_T_RAID01_RAID0: return "RAID01_RAID0";
4359 case HPTV2_T_SPAN: return "SPAN";
4360 case HPTV2_T_RAID_3: return "RAID3";
4361 case HPTV2_T_RAID_5: return "RAID5";
4362 case HPTV2_T_JBOD: return "JBOD";
4363 case HPTV2_T_RAID01_RAID1: return "RAID01_RAID1";
4364 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4365 return buffer;
4366 }
4367 }
4368
4369 static void
4370 ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta)
4371 {
4372 int i;
4373
4374 kprintf("****** ATA Highpoint V2 RocketRAID Metadata *****\n");
4375 kprintf("magic 0x%08x\n", meta->magic);
4376 kprintf("magic_0 0x%08x\n", meta->magic_0);
4377 kprintf("magic_1 0x%08x\n", meta->magic_1);
4378 kprintf("order 0x%08x\n", meta->order);
4379 kprintf("array_width %u\n", meta->array_width);
4380 kprintf("stripe_shift %u\n", meta->stripe_shift);
4381 kprintf("type %s\n", ata_raid_hptv2_type(meta->type));
4382 kprintf("disk_number %u\n", meta->disk_number);
4383 kprintf("total_sectors %u\n", meta->total_sectors);
4384 kprintf("disk_mode 0x%08x\n", meta->disk_mode);
4385 kprintf("boot_mode 0x%08x\n", meta->boot_mode);
4386 kprintf("boot_disk 0x%02x\n", meta->boot_disk);
4387 kprintf("boot_protect 0x%02x\n", meta->boot_protect);
4388 kprintf("log_entries 0x%02x\n", meta->error_log_entries);
4389 kprintf("log_index 0x%02x\n", meta->error_log_index);
4390 if (meta->error_log_entries) {
4391 kprintf(" timestamp reason disk status sectors lba\n");
4392 for (i = meta->error_log_index;
4393 i < meta->error_log_index + meta->error_log_entries; i++)
4394 kprintf(" 0x%08x 0x%02x 0x%02x 0x%02x 0x%02x 0x%08x\n",
4395 meta->errorlog[i%32].timestamp,
4396 meta->errorlog[i%32].reason,
4397 meta->errorlog[i%32].disk, meta->errorlog[i%32].status,
4398 meta->errorlog[i%32].sectors, meta->errorlog[i%32].lba);
4399 }
4400 kprintf("rebuild_lba 0x%08x\n", meta->rebuild_lba);
4401 kprintf("dummy_1 0x%02x\n", meta->dummy_1);
4402 kprintf("name_1 <%.15s>\n", meta->name_1);
4403 kprintf("dummy_2 0x%02x\n", meta->dummy_2);
4404 kprintf("name_2 <%.15s>\n", meta->name_2);
4405 kprintf("=================================================\n");
4406 }
4407
4408 static char *
4409 ata_raid_hptv3_type(int type)
4410 {
4411 static char buffer[16];
4412
4413 switch (type) {
4414 case HPTV3_T_SPARE: return "SPARE";
4415 case HPTV3_T_JBOD: return "JBOD";
4416 case HPTV3_T_SPAN: return "SPAN";
4417 case HPTV3_T_RAID0: return "RAID0";
4418 case HPTV3_T_RAID1: return "RAID1";
4419 case HPTV3_T_RAID3: return "RAID3";
4420 case HPTV3_T_RAID5: return "RAID5";
4421 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4422 return buffer;
4423 }
4424 }
4425
4426 static void
4427 ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta)
4428 {
4429 int i;
4430
4431 kprintf("****** ATA Highpoint V3 RocketRAID Metadata *****\n");
4432 kprintf("magic 0x%08x\n", meta->magic);
4433 kprintf("magic_0 0x%08x\n", meta->magic_0);
4434 kprintf("checksum_0 0x%02x\n", meta->checksum_0);
4435 kprintf("mode 0x%02x\n", meta->mode);
4436 kprintf("user_mode 0x%02x\n", meta->user_mode);
4437 kprintf("config_entries 0x%02x\n", meta->config_entries);
4438 for (i = 0; i < meta->config_entries; i++) {
4439 kprintf("config %d:\n", i);
4440 kprintf(" total_sectors %ju\n",
4441 meta->configs[0].total_sectors +
4442 ((u_int64_t)meta->configs_high[0].total_sectors << 32));
4443 kprintf(" type %s\n",
4444 ata_raid_hptv3_type(meta->configs[i].type));
4445 kprintf(" total_disks %u\n", meta->configs[i].total_disks);
4446 kprintf(" disk_number %u\n", meta->configs[i].disk_number);
4447 kprintf(" stripe_shift %u\n", meta->configs[i].stripe_shift);
4448 kprintf(" status %b\n", meta->configs[i].status,
4449 "\20\2RAID5\1NEED_REBUILD\n");
4450 kprintf(" critical_disks %u\n", meta->configs[i].critical_disks);
4451 kprintf(" rebuild_lba %ju\n",
4452 meta->configs_high[0].rebuild_lba +
4453 ((u_int64_t)meta->configs_high[0].rebuild_lba << 32));
4454 }
4455 kprintf("name <%.16s>\n", meta->name);
4456 kprintf("timestamp 0x%08x\n", meta->timestamp);
4457 kprintf("description <%.16s>\n", meta->description);
4458 kprintf("creator <%.16s>\n", meta->creator);
4459 kprintf("checksum_1 0x%02x\n", meta->checksum_1);
4460 kprintf("dummy_0 0x%02x\n", meta->dummy_0);
4461 kprintf("dummy_1 0x%02x\n", meta->dummy_1);
4462 kprintf("flags %b\n", meta->flags,
4463 "\20\4RCACHE\3WCACHE\2NCQ\1TCQ\n");
4464 kprintf("=================================================\n");
4465 }
4466
4467 static char *
4468 ata_raid_intel_type(int type)
4469 {
4470 static char buffer[16];
4471
4472 switch (type) {
4473 case INTEL_T_RAID0: return "RAID0";
4474 case INTEL_T_RAID1: return "RAID1";
4475 case INTEL_T_RAID5: return "RAID5";
4476 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4477 return buffer;
4478 }
4479 }
4480
4481 static void
4482 ata_raid_intel_print_meta(struct intel_raid_conf *meta)
4483 {
4484 struct intel_raid_mapping *map;
4485 int i, j;
4486
4487 kprintf("********* ATA Intel MatrixRAID Metadata *********\n");
4488 kprintf("intel_id <%.24s>\n", meta->intel_id);
4489 kprintf("version <%.6s>\n", meta->version);
4490 kprintf("checksum 0x%08x\n", meta->checksum);
4491 kprintf("config_size 0x%08x\n", meta->config_size);
4492 kprintf("config_id 0x%08x\n", meta->config_id);
4493 kprintf("generation 0x%08x\n", meta->generation);
4494 kprintf("total_disks %u\n", meta->total_disks);
4495 kprintf("total_volumes %u\n", meta->total_volumes);
4496 kprintf("DISK# serial disk_sectors disk_id flags\n");
4497 for (i = 0; i < meta->total_disks; i++ ) {
4498 kprintf(" %d <%.16s> %u 0x%08x 0x%08x\n", i,
4499 meta->disk[i].serial, meta->disk[i].sectors,
4500 meta->disk[i].id, meta->disk[i].flags);
4501 }
4502 map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks];
4503 for (j = 0; j < meta->total_volumes; j++) {
4504 kprintf("name %.16s\n", map->name);
4505 kprintf("total_sectors %ju\n", map->total_sectors);
4506 kprintf("state %u\n", map->state);
4507 kprintf("reserved %u\n", map->reserved);
4508 kprintf("offset %u\n", map->offset);
4509 kprintf("disk_sectors %u\n", map->disk_sectors);
4510 kprintf("stripe_count %u\n", map->stripe_count);
4511 kprintf("stripe_sectors %u\n", map->stripe_sectors);
4512 kprintf("status %u\n", map->status);
4513 kprintf("type %s\n", ata_raid_intel_type(map->type));
4514 kprintf("total_disks %u\n", map->total_disks);
4515 kprintf("magic[0] 0x%02x\n", map->magic[0]);
4516 kprintf("magic[1] 0x%02x\n", map->magic[1]);
4517 kprintf("magic[2] 0x%02x\n", map->magic[2]);
4518 for (i = 0; i < map->total_disks; i++ ) {
4519 kprintf(" disk %d at disk_idx 0x%08x\n", i, map->disk_idx[i]);
4520 }
4521 map = (struct intel_raid_mapping *)&map->disk_idx[map->total_disks];
4522 }
4523 kprintf("=================================================\n");
4524 }
4525
4526 static char *
4527 ata_raid_ite_type(int type)
4528 {
4529 static char buffer[16];
4530
4531 switch (type) {
4532 case ITE_T_RAID0: return "RAID0";
4533 case ITE_T_RAID1: return "RAID1";
4534 case ITE_T_RAID01: return "RAID0+1";
4535 case ITE_T_SPAN: return "SPAN";
4536 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4537 return buffer;
4538 }
4539 }
4540
4541 static void
4542 ata_raid_ite_print_meta(struct ite_raid_conf *meta)
4543 {
4544 kprintf("*** ATA Integrated Technology Express Metadata **\n");
4545 kprintf("ite_id <%.40s>\n", meta->ite_id);
4546 kprintf("timestamp_0 %04x/%02x/%02x %02x:%02x:%02x.%02x\n",
4547 *((u_int16_t *)meta->timestamp_0), meta->timestamp_0[2],
4548 meta->timestamp_0[3], meta->timestamp_0[5], meta->timestamp_0[4],
4549 meta->timestamp_0[7], meta->timestamp_0[6]);
4550 kprintf("total_sectors %jd\n", meta->total_sectors);
4551 kprintf("type %s\n", ata_raid_ite_type(meta->type));
4552 kprintf("stripe_1kblocks %u\n", meta->stripe_1kblocks);
4553 kprintf("timestamp_1 %04x/%02x/%02x %02x:%02x:%02x.%02x\n",
4554 *((u_int16_t *)meta->timestamp_1), meta->timestamp_1[2],
4555 meta->timestamp_1[3], meta->timestamp_1[5], meta->timestamp_1[4],
4556 meta->timestamp_1[7], meta->timestamp_1[6]);
4557 kprintf("stripe_sectors %u\n", meta->stripe_sectors);
4558 kprintf("array_width %u\n", meta->array_width);
4559 kprintf("disk_number %u\n", meta->disk_number);
4560 kprintf("disk_sectors %u\n", meta->disk_sectors);
4561 kprintf("=================================================\n");
4562 }
4563
4564 static char *
4565 ata_raid_jmicron_type(int type)
4566 {
4567 static char buffer[16];
4568
4569 switch (type) {
4570 case JM_T_RAID0: return "RAID0";
4571 case JM_T_RAID1: return "RAID1";
4572 case JM_T_RAID01: return "RAID0+1";
4573 case JM_T_JBOD: return "JBOD";
4574 case JM_T_RAID5: return "RAID5";
4575 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4576 return buffer;
4577 }
4578 }
4579
4580 static void
4581 ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta)
4582 {
4583 int i;
4584
4585 kprintf("***** ATA JMicron Technology Corp Metadata ******\n");
4586 kprintf("signature %.2s\n", meta->signature);
4587 kprintf("version 0x%04x\n", meta->version);
4588 kprintf("checksum 0x%04x\n", meta->checksum);
4589 kprintf("disk_id 0x%08x\n", meta->disk_id);
4590 kprintf("offset 0x%08x\n", meta->offset);
4591 kprintf("disk_sectors_low 0x%08x\n", meta->disk_sectors_low);
4592 kprintf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high);
4593 kprintf("name %.16s\n", meta->name);
4594 kprintf("type %s\n", ata_raid_jmicron_type(meta->type));
4595 kprintf("stripe_shift %d\n", meta->stripe_shift);
4596 kprintf("flags 0x%04x\n", meta->flags);
4597 kprintf("spare:\n");
4598 for (i=0; i < 2 && meta->spare[i]; i++)
4599 kprintf(" %d 0x%08x\n", i, meta->spare[i]);
4600 kprintf("disks:\n");
4601 for (i=0; i < 8 && meta->disks[i]; i++)
4602 kprintf(" %d 0x%08x\n", i, meta->disks[i]);
4603 kprintf("=================================================\n");
4604 }
4605
4606 static char *
4607 ata_raid_lsiv2_type(int type)
4608 {
4609 static char buffer[16];
4610
4611 switch (type) {
4612 case LSIV2_T_RAID0: return "RAID0";
4613 case LSIV2_T_RAID1: return "RAID1";
4614 case LSIV2_T_SPARE: return "SPARE";
4615 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4616 return buffer;
4617 }
4618 }
4619
4620 static void
4621 ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta)
4622 {
4623 int i;
4624
4625 kprintf("******* ATA LSILogic V2 MegaRAID Metadata *******\n");
4626 kprintf("lsi_id <%s>\n", meta->lsi_id);
4627 kprintf("dummy_0 0x%02x\n", meta->dummy_0);
4628 kprintf("flags 0x%02x\n", meta->flags);
4629 kprintf("version 0x%04x\n", meta->version);
4630 kprintf("config_entries 0x%02x\n", meta->config_entries);
4631 kprintf("raid_count 0x%02x\n", meta->raid_count);
4632 kprintf("total_disks 0x%02x\n", meta->total_disks);
4633 kprintf("dummy_1 0x%02x\n", meta->dummy_1);
4634 kprintf("dummy_2 0x%04x\n", meta->dummy_2);
4635 for (i = 0; i < meta->config_entries; i++) {
4636 kprintf(" type %s\n",
4637 ata_raid_lsiv2_type(meta->configs[i].raid.type));
4638 kprintf(" dummy_0 %02x\n", meta->configs[i].raid.dummy_0);
4639 kprintf(" stripe_sectors %u\n",
4640 meta->configs[i].raid.stripe_sectors);
4641 kprintf(" array_width %u\n",
4642 meta->configs[i].raid.array_width);
4643 kprintf(" disk_count %u\n", meta->configs[i].raid.disk_count);
4644 kprintf(" config_offset %u\n",
4645 meta->configs[i].raid.config_offset);
4646 kprintf(" dummy_1 %u\n", meta->configs[i].raid.dummy_1);
4647 kprintf(" flags %02x\n", meta->configs[i].raid.flags);
4648 kprintf(" total_sectors %u\n",
4649 meta->configs[i].raid.total_sectors);
4650 }
4651 kprintf("disk_number 0x%02x\n", meta->disk_number);
4652 kprintf("raid_number 0x%02x\n", meta->raid_number);
4653 kprintf("timestamp 0x%08x\n", meta->timestamp);
4654 kprintf("=================================================\n");
4655 }
4656
4657 static char *
4658 ata_raid_lsiv3_type(int type)
4659 {
4660 static char buffer[16];
4661
4662 switch (type) {
4663 case LSIV3_T_RAID0: return "RAID0";
4664 case LSIV3_T_RAID1: return "RAID1";
4665 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4666 return buffer;
4667 }
4668 }
4669
4670 static void
4671 ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta)
4672 {
4673 int i;
4674
4675 kprintf("******* ATA LSILogic V3 MegaRAID Metadata *******\n");
4676 kprintf("lsi_id <%.6s>\n", meta->lsi_id);
4677 kprintf("dummy_0 0x%04x\n", meta->dummy_0);
4678 kprintf("version 0x%04x\n", meta->version);
4679 kprintf("dummy_0 0x%04x\n", meta->dummy_1);
4680 kprintf("RAID configs:\n");
4681 for (i = 0; i < 8; i++) {
4682 if (meta->raid[i].total_disks) {
4683 kprintf("%02d stripe_pages %u\n", i,
4684 meta->raid[i].stripe_pages);
4685 kprintf("%02d type %s\n", i,
4686 ata_raid_lsiv3_type(meta->raid[i].type));
4687 kprintf("%02d total_disks %u\n", i,
4688 meta->raid[i].total_disks);
4689 kprintf("%02d array_width %u\n", i,
4690 meta->raid[i].array_width);
4691 kprintf("%02d sectors %u\n", i, meta->raid[i].sectors);
4692 kprintf("%02d offset %u\n", i, meta->raid[i].offset);
4693 kprintf("%02d device 0x%02x\n", i,
4694 meta->raid[i].device);
4695 }
4696 }
4697 kprintf("DISK configs:\n");
4698 for (i = 0; i < 6; i++) {
4699 if (meta->disk[i].disk_sectors) {
4700 kprintf("%02d disk_sectors %u\n", i,
4701 meta->disk[i].disk_sectors);
4702 kprintf("%02d flags 0x%02x\n", i, meta->disk[i].flags);
4703 }
4704 }
4705 kprintf("device 0x%02x\n", meta->device);
4706 kprintf("timestamp 0x%08x\n", meta->timestamp);
4707 kprintf("checksum_1 0x%02x\n", meta->checksum_1);
4708 kprintf("=================================================\n");
4709 }
4710
4711 static char *
4712 ata_raid_nvidia_type(int type)
4713 {
4714 static char buffer[16];
4715
4716 switch (type) {
4717 case NV_T_SPAN: return "SPAN";
4718 case NV_T_RAID0: return "RAID0";
4719 case NV_T_RAID1: return "RAID1";
4720 case NV_T_RAID3: return "RAID3";
4721 case NV_T_RAID5: return "RAID5";
4722 case NV_T_RAID01: return "RAID0+1";
4723 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4724 return buffer;
4725 }
4726 }
4727
4728 static void
4729 ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta)
4730 {
4731 kprintf("******** ATA nVidia MediaShield Metadata ********\n");
4732 kprintf("nvidia_id <%.8s>\n", meta->nvidia_id);
4733 kprintf("config_size %d\n", meta->config_size);
4734 kprintf("checksum 0x%08x\n", meta->checksum);
4735 kprintf("version 0x%04x\n", meta->version);
4736 kprintf("disk_number %d\n", meta->disk_number);
4737 kprintf("dummy_0 0x%02x\n", meta->dummy_0);
4738 kprintf("total_sectors %d\n", meta->total_sectors);
4739 kprintf("sectors_size %d\n", meta->sector_size);
4740 kprintf("serial %.16s\n", meta->serial);
4741 kprintf("revision %.4s\n", meta->revision);
4742 kprintf("dummy_1 0x%08x\n", meta->dummy_1);
4743 kprintf("magic_0 0x%08x\n", meta->magic_0);
4744 kprintf("magic_1 0x%016jx\n", meta->magic_1);
4745 kprintf("magic_2 0x%016jx\n", meta->magic_2);
4746 kprintf("flags 0x%02x\n", meta->flags);
4747 kprintf("array_width %d\n", meta->array_width);
4748 kprintf("total_disks %d\n", meta->total_disks);
4749 kprintf("dummy_2 0x%02x\n", meta->dummy_2);
4750 kprintf("type %s\n", ata_raid_nvidia_type(meta->type));
4751 kprintf("dummy_3 0x%04x\n", meta->dummy_3);
4752 kprintf("stripe_sectors %d\n", meta->stripe_sectors);
4753 kprintf("stripe_bytes %d\n", meta->stripe_bytes);
4754 kprintf("stripe_shift %d\n", meta->stripe_shift);
4755 kprintf("stripe_mask 0x%08x\n", meta->stripe_mask);
4756 kprintf("stripe_sizesectors %d\n", meta->stripe_sizesectors);
4757 kprintf("stripe_sizebytes %d\n", meta->stripe_sizebytes);
4758 kprintf("rebuild_lba %d\n", meta->rebuild_lba);
4759 kprintf("dummy_4 0x%08x\n", meta->dummy_4);
4760 kprintf("dummy_5 0x%08x\n", meta->dummy_5);
4761 kprintf("status 0x%08x\n", meta->status);
4762 kprintf("=================================================\n");
4763 }
4764
4765 static char *
4766 ata_raid_promise_type(int type)
4767 {
4768 static char buffer[16];
4769
4770 switch (type) {
4771 case PR_T_RAID0: return "RAID0";
4772 case PR_T_RAID1: return "RAID1";
4773 case PR_T_RAID3: return "RAID3";
4774 case PR_T_RAID5: return "RAID5";
4775 case PR_T_SPAN: return "SPAN";
4776 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4777 return buffer;
4778 }
4779 }
4780
4781 static void
4782 ata_raid_promise_print_meta(struct promise_raid_conf *meta)
4783 {
4784 int i;
4785
4786 kprintf("********* ATA Promise FastTrak Metadata *********\n");
4787 kprintf("promise_id <%s>\n", meta->promise_id);
4788 kprintf("dummy_0 0x%08x\n", meta->dummy_0);
4789 kprintf("magic_0 0x%016jx\n", meta->magic_0);
4790 kprintf("magic_1 0x%04x\n", meta->magic_1);
4791 kprintf("magic_2 0x%08x\n", meta->magic_2);
4792 kprintf("integrity 0x%08x %b\n", meta->raid.integrity,
4793 meta->raid.integrity, "\20\10VALID\n" );
4794 kprintf("flags 0x%02x %b\n",
4795 meta->raid.flags, meta->raid.flags,
4796 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE"
4797 "\3ASSIGNED\2ONLINE\1VALID\n");
4798 kprintf("disk_number %d\n", meta->raid.disk_number);
4799 kprintf("channel 0x%02x\n", meta->raid.channel);
4800 kprintf("device 0x%02x\n", meta->raid.device);
4801 kprintf("magic_0 0x%016jx\n", meta->raid.magic_0);
4802 kprintf("disk_offset %u\n", meta->raid.disk_offset);
4803 kprintf("disk_sectors %u\n", meta->raid.disk_sectors);
4804 kprintf("rebuild_lba 0x%08x\n", meta->raid.rebuild_lba);
4805 kprintf("generation 0x%04x\n", meta->raid.generation);
4806 kprintf("status 0x%02x %b\n",
4807 meta->raid.status, meta->raid.status,
4808 "\20\6MARKED\5DEGRADED\4READY\3INITED\2ONLINE\1VALID\n");
4809 kprintf("type %s\n", ata_raid_promise_type(meta->raid.type));
4810 kprintf("total_disks %u\n", meta->raid.total_disks);
4811 kprintf("stripe_shift %u\n", meta->raid.stripe_shift);
4812 kprintf("array_width %u\n", meta->raid.array_width);
4813 kprintf("array_number %u\n", meta->raid.array_number);
4814 kprintf("total_sectors %u\n", meta->raid.total_sectors);
4815 kprintf("cylinders %u\n", meta->raid.cylinders);
4816 kprintf("heads %u\n", meta->raid.heads);
4817 kprintf("sectors %u\n", meta->raid.sectors);
4818 kprintf("magic_1 0x%016jx\n", meta->raid.magic_1);
4819 kprintf("DISK# flags dummy_0 channel device magic_0\n");
4820 for (i = 0; i < 8; i++) {
4821 kprintf(" %d %b 0x%02x 0x%02x 0x%02x ",
4822 i, meta->raid.disk[i].flags,
4823 "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE"
4824 "\3ASSIGNED\2ONLINE\1VALID\n", meta->raid.disk[i].dummy_0,
4825 meta->raid.disk[i].channel, meta->raid.disk[i].device);
4826 kprintf("0x%016jx\n", meta->raid.disk[i].magic_0);
4827 }
4828 kprintf("checksum 0x%08x\n", meta->checksum);
4829 kprintf("=================================================\n");
4830 }
4831
4832 static char *
4833 ata_raid_sii_type(int type)
4834 {
4835 static char buffer[16];
4836
4837 switch (type) {
4838 case SII_T_RAID0: return "RAID0";
4839 case SII_T_RAID1: return "RAID1";
4840 case SII_T_RAID01: return "RAID0+1";
4841 case SII_T_SPARE: return "SPARE";
4842 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4843 return buffer;
4844 }
4845 }
4846
4847 static void
4848 ata_raid_sii_print_meta(struct sii_raid_conf *meta)
4849 {
4850 kprintf("******* ATA Silicon Image Medley Metadata *******\n");
4851 kprintf("total_sectors %ju\n", meta->total_sectors);
4852 kprintf("dummy_0 0x%04x\n", meta->dummy_0);
4853 kprintf("dummy_1 0x%04x\n", meta->dummy_1);
4854 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id);
4855 kprintf("version_minor 0x%04x\n", meta->version_minor);
4856 kprintf("version_major 0x%04x\n", meta->version_major);
4857 kprintf("timestamp 20%02x/%02x/%02x %02x:%02x:%02x\n",
4858 meta->timestamp[5], meta->timestamp[4], meta->timestamp[3],
4859 meta->timestamp[2], meta->timestamp[1], meta->timestamp[0]);
4860 kprintf("stripe_sectors %u\n", meta->stripe_sectors);
4861 kprintf("dummy_2 0x%04x\n", meta->dummy_2);
4862 kprintf("disk_number %u\n", meta->disk_number);
4863 kprintf("type %s\n", ata_raid_sii_type(meta->type));
4864 kprintf("raid0_disks %u\n", meta->raid0_disks);
4865 kprintf("raid0_ident %u\n", meta->raid0_ident);
4866 kprintf("raid1_disks %u\n", meta->raid1_disks);
4867 kprintf("raid1_ident %u\n", meta->raid1_ident);
4868 kprintf("rebuild_lba %ju\n", meta->rebuild_lba);
4869 kprintf("generation 0x%08x\n", meta->generation);
4870 kprintf("status 0x%02x %b\n",
4871 meta->status, meta->status,
4872 "\20\1READY\n");
4873 kprintf("base_raid1_position %02x\n", meta->base_raid1_position);
4874 kprintf("base_raid0_position %02x\n", meta->base_raid0_position);
4875 kprintf("position %02x\n", meta->position);
4876 kprintf("dummy_3 %04x\n", meta->dummy_3);
4877 kprintf("name <%.16s>\n", meta->name);
4878 kprintf("checksum_0 0x%04x\n", meta->checksum_0);
4879 kprintf("checksum_1 0x%04x\n", meta->checksum_1);
4880 kprintf("=================================================\n");
4881 }
4882
4883 static char *
4884 ata_raid_sis_type(int type)
4885 {
4886 static char buffer[16];
4887
4888 switch (type) {
4889 case SIS_T_JBOD: return "JBOD";
4890 case SIS_T_RAID0: return "RAID0";
4891 case SIS_T_RAID1: return "RAID1";
4892 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4893 return buffer;
4894 }
4895 }
4896
4897 static void
4898 ata_raid_sis_print_meta(struct sis_raid_conf *meta)
4899 {
4900 kprintf("**** ATA Silicon Integrated Systems Metadata ****\n");
4901 kprintf("magic 0x%04x\n", meta->magic);
4902 kprintf("disks 0x%02x\n", meta->disks);
4903 kprintf("type %s\n",
4904 ata_raid_sis_type(meta->type_total_disks & SIS_T_MASK));
4905 kprintf("total_disks %u\n", meta->type_total_disks & SIS_D_MASK);
4906 kprintf("dummy_0 0x%08x\n", meta->dummy_0);
4907 kprintf("controller_pci_id 0x%08x\n", meta->controller_pci_id);
4908 kprintf("stripe_sectors %u\n", meta->stripe_sectors);
4909 kprintf("dummy_1 0x%04x\n", meta->dummy_1);
4910 kprintf("timestamp 0x%08x\n", meta->timestamp);
4911 kprintf("model %.40s\n", meta->model);
4912 kprintf("disk_number %u\n", meta->disk_number);
4913 kprintf("dummy_2 0x%02x 0x%02x 0x%02x\n",
4914 meta->dummy_2[0], meta->dummy_2[1], meta->dummy_2[2]);
4915 kprintf("=================================================\n");
4916 }
4917
4918 static char *
4919 ata_raid_via_type(int type)
4920 {
4921 static char buffer[16];
4922
4923 switch (type) {
4924 case VIA_T_RAID0: return "RAID0";
4925 case VIA_T_RAID1: return "RAID1";
4926 case VIA_T_RAID5: return "RAID5";
4927 case VIA_T_RAID01: return "RAID0+1";
4928 case VIA_T_SPAN: return "SPAN";
4929 default: ksprintf(buffer, "UNKNOWN 0x%02x", type);
4930 return buffer;
4931 }
4932 }
4933
4934 static void
4935 ata_raid_via_print_meta(struct via_raid_conf *meta)
4936 {
4937 int i;
4938
4939 kprintf("*************** ATA VIA Metadata ****************\n");
4940 kprintf("magic 0x%02x\n", meta->magic);
4941 kprintf("dummy_0 0x%02x\n", meta->dummy_0);
4942 kprintf("type %s\n",
4943 ata_raid_via_type(meta->type & VIA_T_MASK));
4944 kprintf("bootable %d\n", meta->type & VIA_T_BOOTABLE);
4945 kprintf("unknown %d\n", meta->type & VIA_T_UNKNOWN);
4946 kprintf("disk_index 0x%02x\n", meta->disk_index);
4947 kprintf("stripe_layout 0x%02x\n", meta->stripe_layout);
4948 kprintf(" stripe_disks %d\n", meta->stripe_layout & VIA_L_DISKS);
4949 kprintf(" stripe_sectors %d\n",
4950 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT));
4951 kprintf("disk_sectors %ju\n", meta->disk_sectors);
4952 kprintf("disk_id 0x%08x\n", meta->disk_id);
4953 kprintf("DISK# disk_id\n");
4954 for (i = 0; i < 8; i++) {
4955 if (meta->disks[i])
4956 kprintf(" %d 0x%08x\n", i, meta->disks[i]);
4957 }
4958 kprintf("checksum 0x%02x\n", meta->checksum);
4959 kprintf("=================================================\n");
4960 }
DragonFly BSD