2 * Copyright (c) 2000,2001,2002 Søren Schmidt <sos@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 * $FreeBSD: src/sys/dev/ata/ata-raid.c,v 1.3.2.19 2003/01/30 07:19:59 sos Exp $
32 #include <sys/param.h>
33 #include <sys/systm.h>
35 #include <sys/kernel.h>
36 #include <sys/malloc.h>
41 #include <sys/devicestat.h>
46 #include <sys/thread2.h>
52 /* device structures */
53 static d_open_t aropen;
54 static d_strategy_t arstrategy;
56 static struct dev_ops ar_ops = {
62 .d_strategy = arstrategy,
66 static void ar_attach_raid(struct ar_softc *, int);
67 static void ar_done(struct bio *);
68 static void ar_config_changed(struct ar_softc *, int);
69 static int ar_rebuild(struct ar_softc *);
70 static int ar_highpoint_read_conf(struct ad_softc *, struct ar_softc **);
71 static int ar_highpoint_write_conf(struct ar_softc *);
72 static int ar_promise_read_conf(struct ad_softc *, struct ar_softc **, int);
73 static int ar_promise_write_conf(struct ar_softc *);
74 static int ar_rw(struct ad_softc *, u_int32_t, int, caddr_t, int);
75 static struct ata_device *ar_locate_disk(int);
78 static struct ar_softc **ar_table = NULL;
79 static MALLOC_DEFINE(M_AR, "AR driver", "ATA RAID driver");
82 ata_raiddisk_attach(struct ad_softc *adp)
88 for (array = 0; array < MAX_ARRAYS; array++) {
89 if (!(rdp = ar_table[array]) || !rdp->flags)
92 for (disk = 0; disk < rdp->total_disks; disk++) {
93 if ((rdp->disks[disk].flags & AR_DF_ASSIGNED) &&
94 rdp->disks[disk].device == adp->device) {
95 ata_prtdev(rdp->disks[disk].device,
96 "inserted into ar%d disk%d as spare\n",
98 rdp->disks[disk].flags |= (AR_DF_PRESENT | AR_DF_SPARE);
99 AD_SOFTC(rdp->disks[disk])->flags = AD_F_RAID_SUBDISK;
100 ar_config_changed(rdp, 1);
108 ar_table = kmalloc(sizeof(struct ar_soft *) * MAX_ARRAYS,
109 M_AR, M_WAITOK | M_ZERO);
112 switch(adp->device->channel->chiptype) {
113 case 0x4d33105a: case 0x4d38105a: case 0x4d30105a:
114 case 0x0d30105a: case 0x4d68105a: case 0x6268105a:
115 case 0x4d69105a: case 0x5275105a: case 0x6269105a:
117 /* test RAID bit in PCI reg XXX */
118 return (ar_promise_read_conf(adp, ar_table, 0));
120 case 0x00041103: case 0x00051103: case 0x00081103:
121 return (ar_highpoint_read_conf(adp, ar_table));
124 return (ar_promise_read_conf(adp, ar_table, 1));
130 ata_raiddisk_detach(struct ad_softc *adp)
132 struct ar_softc *rdp;
136 for (array = 0; array < MAX_ARRAYS; array++) {
137 if (!(rdp = ar_table[array]) || !rdp->flags)
139 for (disk = 0; disk < rdp->total_disks; disk++) {
140 if (rdp->disks[disk].device == adp->device) {
141 ata_prtdev(rdp->disks[disk].device,
142 "deleted from ar%d disk%d\n", array, disk);
143 rdp->disks[disk].flags &= ~(AR_DF_PRESENT | AR_DF_ONLINE);
144 AD_SOFTC(rdp->disks[disk])->flags &= ~AD_F_RAID_SUBDISK;
145 ar_config_changed(rdp, 1);
157 struct ar_softc *rdp;
163 for (array = 0; array < MAX_ARRAYS; array++) {
164 if (!(rdp = ar_table[array]) || !rdp->flags)
166 ar_attach_raid(rdp, 0);
171 ar_attach_raid(struct ar_softc *rdp, int update)
173 struct disk_info info;
177 ar_config_changed(rdp, update);
178 dev = disk_create(rdp->lun, &rdp->disk, &ar_ops);
180 dev->si_iosize_max = 256 * DEV_BSIZE;
184 * Set disk info, as it appears that all needed data is available already.
185 * Setting the disk info will also cause the probing to start.
187 bzero(&info, sizeof(info));
188 info.d_media_blksize = DEV_BSIZE; /* mandatory */
189 info.d_media_blocks = rdp->total_sectors;
191 info.d_secpertrack = rdp->sectors; /* optional */
192 info.d_nheads = rdp->heads;
193 info.d_ncylinders = rdp->cylinders;
194 info.d_secpercyl = rdp->sectors * rdp->heads;
196 kprintf("ar%d: %lluMB <ATA ", rdp->lun, (unsigned long long)
197 (rdp->total_sectors / ((1024L * 1024L) / DEV_BSIZE)));
198 switch (rdp->flags & (AR_F_RAID0 | AR_F_RAID1 | AR_F_SPAN)) {
200 kprintf("RAID0 "); break;
202 kprintf("RAID1 "); break;
204 kprintf("SPAN "); break;
205 case (AR_F_RAID0 | AR_F_RAID1):
206 kprintf("RAID0+1 "); break;
208 kprintf("unknown 0x%x> ", rdp->flags);
211 kprintf("array> [%d/%d/%d] status: ",
212 rdp->cylinders, rdp->heads, rdp->sectors);
213 switch (rdp->flags & (AR_F_DEGRADED | AR_F_READY)) {
217 case (AR_F_DEGRADED | AR_F_READY):
224 kprintf(" subdisks:\n");
225 for (disk = 0; disk < rdp->total_disks; disk++) {
226 if (rdp->disks[disk].flags & AR_DF_PRESENT) {
227 if (rdp->disks[disk].flags & AR_DF_ONLINE)
228 kprintf(" %d READY ", disk);
229 else if (rdp->disks[disk].flags & AR_DF_SPARE)
230 kprintf(" %d SPARE ", disk);
232 kprintf(" %d FREE ", disk);
233 ad_print(AD_SOFTC(rdp->disks[disk]));
235 ata_enclosure_print(AD_SOFTC(rdp->disks[disk])->device);
237 else if (rdp->disks[disk].flags & AR_DF_ASSIGNED)
238 kprintf(" %d DOWN\n", disk);
240 kprintf(" %d INVALID no RAID config info on this disk\n", disk);
242 disk_setdiskinfo(&rdp->disk, &info);
246 ata_raid_create(struct raid_setup *setup)
248 struct ata_device *atadev;
249 struct ar_softc *rdp;
251 int ctlr = 0, disk_size = 0, total_disks = 0;
254 ar_table = kmalloc(sizeof(struct ar_soft *) * MAX_ARRAYS,
255 M_AR, M_WAITOK | M_ZERO);
257 for (array = 0; array < MAX_ARRAYS; array++) {
258 if (!ar_table[array])
261 if (array >= MAX_ARRAYS)
264 rdp = kmalloc(sizeof(struct ar_softc), M_AR, M_WAITOK | M_ZERO);
266 for (disk = 0; disk < setup->total_disks; disk++) {
267 if ((atadev = ar_locate_disk(setup->disks[disk]))) {
268 rdp->disks[disk].device = atadev;
269 if (AD_SOFTC(rdp->disks[disk])->flags & AD_F_RAID_SUBDISK) {
270 setup->disks[disk] = -1;
275 switch (rdp->disks[disk].device->channel->chiptype & 0xffff) {
277 ctlr |= AR_F_HIGHPOINT_RAID;
278 rdp->disks[disk].disk_sectors =
279 AD_SOFTC(rdp->disks[disk])->total_secs;
283 ctlr |= AR_F_FREEBSD_RAID;
287 ctlr |= AR_F_PROMISE_RAID;
288 rdp->disks[disk].disk_sectors =
289 PR_LBA(AD_SOFTC(rdp->disks[disk]));
292 if ((rdp->flags & (AR_F_PROMISE_RAID|AR_F_HIGHPOINT_RAID)) &&
293 (rdp->flags & (AR_F_PROMISE_RAID|AR_F_HIGHPOINT_RAID)) !=
294 (ctlr & (AR_F_PROMISE_RAID|AR_F_HIGHPOINT_RAID))) {
302 disk_size = min(rdp->disks[disk].disk_sectors, disk_size);
304 disk_size = rdp->disks[disk].disk_sectors;
305 rdp->disks[disk].flags =
306 (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE);
311 setup->disks[disk] = -1;
321 switch (setup->type) {
323 rdp->flags |= AR_F_RAID0;
326 rdp->flags |= AR_F_RAID1;
327 if (total_disks != 2) {
333 rdp->flags |= (AR_F_RAID0 | AR_F_RAID1);
334 if (total_disks % 2 != 0) {
340 rdp->flags |= AR_F_SPAN;
344 for (disk = 0; disk < total_disks; disk++)
345 AD_SOFTC(rdp->disks[disk])->flags = AD_F_RAID_SUBDISK;
348 if (rdp->flags & AR_F_RAID0) {
351 while (setup->interleave >>= 1)
353 if (rdp->flags & AR_F_PROMISE_RAID)
354 rdp->interleave = min(max(2, 1 << bit), 2048);
355 if (rdp->flags & AR_F_HIGHPOINT_RAID)
356 rdp->interleave = min(max(32, 1 << bit), 128);
358 rdp->total_disks = total_disks;
359 rdp->width = total_disks / ((rdp->flags & AR_F_RAID1) ? 2 : 1);
360 rdp->total_sectors = disk_size * rdp->width;
363 rdp->cylinders = rdp->total_sectors / (255 * 63);
364 if (rdp->flags & AR_F_PROMISE_RAID) {
368 if (rdp->flags & AR_F_HIGHPOINT_RAID) {
369 rdp->offset = HPT_LBA + 1;
370 rdp->reserved = HPT_LBA + 1;
372 rdp->lock_start = rdp->lock_end = 0xffffffff;
373 rdp->flags |= AR_F_READY;
375 ar_table[array] = rdp;
376 ar_attach_raid(rdp, 1);
382 ata_raid_delete(int array)
384 struct ar_softc *rdp;
388 kprintf("ar: no memory for ATA raid array\n");
391 if (!(rdp = ar_table[array]))
394 rdp->flags &= ~AR_F_READY;
395 for (disk = 0; disk < rdp->total_disks; disk++) {
396 if ((rdp->disks[disk].flags&AR_DF_PRESENT) && rdp->disks[disk].device) {
397 AD_SOFTC(rdp->disks[disk])->flags &= ~AD_F_RAID_SUBDISK;
398 ata_enclosure_leds(rdp->disks[disk].device, ATA_LED_GREEN);
399 rdp->disks[disk].flags = 0;
402 if (rdp->flags & AR_F_PROMISE_RAID)
403 ar_promise_write_conf(rdp);
405 ar_highpoint_write_conf(rdp);
406 disk_invalidate(&rdp->disk);
407 disk_destroy(&rdp->disk);
409 ar_table[array] = NULL;
414 ata_raid_status(int array, struct raid_status *status)
416 struct ar_softc *rdp;
419 if (!ar_table || !(rdp = ar_table[array]))
422 switch (rdp->flags & (AR_F_RAID0 | AR_F_RAID1 | AR_F_SPAN)) {
424 status->type = AR_RAID0;
427 status->type = AR_RAID1;
429 case AR_F_RAID0 | AR_F_RAID1:
430 status->type = AR_RAID0 | AR_RAID1;
433 status->type = AR_SPAN;
436 status->total_disks = rdp->total_disks;
437 for (i = 0; i < rdp->total_disks; i++ ) {
438 if ((rdp->disks[i].flags & AR_DF_PRESENT) && rdp->disks[i].device)
439 status->disks[i] = AD_SOFTC(rdp->disks[i])->lun;
441 status->disks[i] = -1;
443 status->interleave = rdp->interleave;
445 if (rdp->flags & AR_F_READY)
446 status->status |= AR_READY;
447 if (rdp->flags & AR_F_DEGRADED)
448 status->status |= AR_DEGRADED;
449 if (rdp->flags & AR_F_REBUILDING) {
450 status->status |= AR_REBUILDING;
451 status->progress = 100*rdp->lock_start/(rdp->total_sectors/rdp->width);
457 ata_raid_rebuild(int array)
459 struct ar_softc *rdp;
461 if (!ar_table || !(rdp = ar_table[array]))
463 if (rdp->flags & AR_F_REBUILDING)
465 /* create process here XXX SOS */
466 return ar_rebuild(rdp);
470 aropen(struct dev_open_args *ap)
473 struct ar_softc *rdp = ap->a_head.a_dev->si_drv1;
474 struct disk_info info;
476 bzero(&info, sizeof(info));
477 info.d_media_blksize = DEV_BSIZE; /* mandatory */
478 info.d_media_blocks = rdp->total_sectors;
480 info.d_secpertrack = rdp->sectors; /* optional */
481 info.d_nheads = rdp->heads;
482 info.d_ncylinders = rdp->cylinders;
483 info.d_secpercyl = rdp->sectors * rdp->heads;
484 disk_setdiskinfo(&rdp->disk, &info);
490 arstrategy(struct dev_strategy_args *ap)
492 cdev_t dev = ap->a_head.a_dev;
493 struct bio *bio = ap->a_bio;
494 struct buf *bp = bio->bio_buf;
495 struct ar_softc *rdp = dev->si_drv1;
496 int blkno, count, chunk, lba, lbs, tmplba;
499 int drv = 0, change = 0;
502 if (!(rdp->flags & AR_F_READY)) {
503 bp->b_flags |= B_ERROR;
509 KKASSERT((bio->bio_offset & DEV_BMASK) == 0);
511 bp->b_resid = bp->b_bcount;
512 blkno = (int)(bio->bio_offset >> DEV_BSHIFT);
516 for (count = howmany(bp->b_bcount, DEV_BSIZE); count > 0;
517 count -= chunk, blkno += chunk, data += (chunk * DEV_BSIZE)) {
518 struct ar_buf *buf1, *buf2;
520 switch (rdp->flags & (AR_F_RAID0 | AR_F_RAID1 | AR_F_SPAN)) {
523 while (lba >= AD_SOFTC(rdp->disks[drv])->total_secs-rdp->reserved)
524 lba -= AD_SOFTC(rdp->disks[drv++])->total_secs-rdp->reserved;
525 chunk = min(AD_SOFTC(rdp->disks[drv])->total_secs-rdp->reserved-lba,
530 case AR_F_RAID0 | AR_F_RAID1:
531 tmplba = blkno / rdp->interleave;
532 chunk = blkno % rdp->interleave;
533 if (tmplba == rdp->total_sectors / rdp->interleave) {
534 lbs = (rdp->total_sectors-(tmplba*rdp->interleave))/rdp->width;
536 lba = ((tmplba/rdp->width)*rdp->interleave) + chunk%lbs;
537 chunk = min(count, lbs);
540 drv = tmplba % rdp->width;
541 lba = ((tmplba / rdp->width) * rdp->interleave) + chunk;
542 chunk = min(count, rdp->interleave - chunk);
553 kprintf("ar%d: unknown array type in arstrategy\n", rdp->lun);
554 bp->b_flags |= B_ERROR;
560 buf1 = kmalloc(sizeof(struct ar_buf), M_AR, M_INTWAIT | M_ZERO);
561 initbufbio(&buf1->bp);
562 BUF_LOCK(&buf1->bp, LK_EXCLUSIVE);
563 buf1->bp.b_bio1.bio_offset = (off_t)lba << DEV_BSHIFT;
564 if ((buf1->drive = drv) > 0)
565 buf1->bp.b_bio1.bio_offset += (off_t)rdp->offset << DEV_BSHIFT;
566 buf1->bp.b_bio1.bio_caller_info1.ptr = (void *)rdp;
567 buf1->bp.b_bcount = chunk * DEV_BSIZE;
568 buf1->bp.b_data = data;
569 buf1->bp.b_flags = bp->b_flags | B_PAGING;
570 buf1->bp.b_cmd = bp->b_cmd;
571 buf1->bp.b_bio1.bio_done = ar_done;
573 buf1_blkno = (int)(buf1->bp.b_bio1.bio_offset >> DEV_BSHIFT);
575 switch (rdp->flags & (AR_F_RAID0 | AR_F_RAID1 | AR_F_SPAN)) {
578 if ((rdp->disks[buf1->drive].flags &
579 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) &&
580 !AD_SOFTC(rdp->disks[buf1->drive])->dev) {
581 rdp->disks[buf1->drive].flags &= ~AR_DF_ONLINE;
582 ar_config_changed(rdp, 1);
583 BUF_UNLOCK(&buf1->bp);
584 uninitbufbio(&buf1->bp);
586 bp->b_flags |= B_ERROR;
591 dev_dstrategy(AD_SOFTC(rdp->disks[buf1->drive])->dev,
596 case AR_F_RAID0 | AR_F_RAID1:
597 if ((rdp->flags & AR_F_REBUILDING) && bp->b_cmd != BUF_CMD_READ) {
598 if ((orig_blkno >= rdp->lock_start &&
599 orig_blkno < rdp->lock_end) ||
600 ((orig_blkno + chunk) > rdp->lock_start &&
601 (orig_blkno + chunk) <= rdp->lock_end)) {
602 tsleep(rdp, 0, "arwait", 0);
605 if ((rdp->disks[buf1->drive].flags &
606 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) &&
607 !AD_SOFTC(rdp->disks[buf1->drive])->dev) {
608 rdp->disks[buf1->drive].flags &= ~AR_DF_ONLINE;
611 if ((rdp->disks[buf1->drive + rdp->width].flags &
612 (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) &&
613 !AD_SOFTC(rdp->disks[buf1->drive + rdp->width])->dev) {
614 rdp->disks[buf1->drive + rdp->width].flags &= ~AR_DF_ONLINE;
618 ar_config_changed(rdp, 1);
620 if (!(rdp->flags & AR_F_READY)) {
621 BUF_UNLOCK(&buf1->bp);
622 uninitbufbio(&buf1->bp);
624 bp->b_flags |= B_ERROR;
629 if (bp->b_cmd == BUF_CMD_READ) {
631 (rdp->disks[buf1->drive].last_lba - AR_PROXIMITY) ||
633 (rdp->disks[buf1->drive].last_lba + AR_PROXIMITY) ||
634 !(rdp->disks[buf1->drive].flags & AR_DF_ONLINE)) &&
635 (rdp->disks[buf1->drive+rdp->width].flags & AR_DF_ONLINE))
636 buf1->drive = buf1->drive + rdp->width;
638 if ((rdp->disks[buf1->drive+rdp->width].flags & AR_DF_ONLINE) ||
639 ((rdp->flags & AR_F_REBUILDING) &&
640 (rdp->disks[buf1->drive+rdp->width].flags & AR_DF_SPARE) &&
641 buf1_blkno < rdp->lock_start)) {
642 if ((rdp->disks[buf1->drive].flags & AR_DF_ONLINE) ||
643 ((rdp->flags & AR_F_REBUILDING) &&
644 (rdp->disks[buf1->drive].flags & AR_DF_SPARE) &&
645 buf1_blkno < rdp->lock_start)) {
646 buf2 = kmalloc(sizeof(struct ar_buf), M_AR, M_INTWAIT);
647 bcopy(buf1, buf2, sizeof(struct ar_buf));
648 initbufbio(&buf2->bp);
649 BUF_LOCK(&buf2->bp, LK_EXCLUSIVE);
650 buf2->bp.b_bio1.bio_offset = buf1->bp.b_bio1.bio_offset;
653 buf2->drive = buf1->drive + rdp->width;
654 dev_dstrategy(AD_SOFTC(rdp->disks[buf2->drive])->dev,
656 rdp->disks[buf2->drive].last_lba = buf1_blkno + chunk;
660 buf1->drive = buf1->drive + rdp->width;
663 dev_dstrategy(AD_SOFTC(rdp->disks[buf1->drive])->dev,
665 rdp->disks[buf1->drive].last_lba = buf1_blkno + chunk;
669 kprintf("ar%d: unknown array type in arstrategy\n", rdp->lun);
676 ar_done(struct bio *bio)
678 struct ar_softc *rdp = (struct ar_softc *)bio->bio_caller_info1.ptr;
679 struct ar_buf *buf = (struct ar_buf *)bio->bio_buf;
683 switch (rdp->flags & (AR_F_RAID0 | AR_F_RAID1 | AR_F_SPAN)) {
686 if (buf->bp.b_flags & B_ERROR) {
687 rdp->disks[buf->drive].flags &= ~AR_DF_ONLINE;
688 ar_config_changed(rdp, 1);
689 buf->org->bio_buf->b_flags |= B_ERROR;
690 buf->org->bio_buf->b_error = EIO;
694 buf->org->bio_buf->b_resid -= buf->bp.b_bcount;
695 if (buf->org->bio_buf->b_resid == 0)
701 case AR_F_RAID0 | AR_F_RAID1:
702 if (buf->bp.b_flags & B_ERROR) {
703 rdp->disks[buf->drive].flags &= ~AR_DF_ONLINE;
704 ar_config_changed(rdp, 1);
705 if (rdp->flags & AR_F_READY) {
706 if (buf->bp.b_cmd == BUF_CMD_READ) {
707 if (buf->drive < rdp->width)
708 buf->drive = buf->drive + rdp->width;
710 buf->drive = buf->drive - rdp->width;
711 buf->bp.b_flags = buf->org->bio_buf->b_flags | B_PAGING;
713 dev_dstrategy(AD_SOFTC(rdp->disks[buf->drive])->dev,
719 if (buf->flags & AB_F_DONE) {
720 buf->org->bio_buf->b_resid -= buf->bp.b_bcount;
721 if (buf->org->bio_buf->b_resid == 0)
725 buf->mirror->flags |= AB_F_DONE;
729 buf->org->bio_buf->b_flags |= B_ERROR;
730 buf->org->bio_buf->b_error = EIO;
735 if (buf->bp.b_cmd != BUF_CMD_READ) {
736 if (buf->mirror && !(buf->flags & AB_F_DONE)){
737 buf->mirror->flags |= AB_F_DONE;
741 buf->org->bio_buf->b_resid -= buf->bp.b_bcount;
742 if (buf->org->bio_buf->b_resid == 0)
748 kprintf("ar%d: unknown array type in ar_done\n", rdp->lun);
750 BUF_UNLOCK(&buf->bp);
751 uninitbufbio(&buf->bp);
757 ar_config_changed(struct ar_softc *rdp, int writeback)
762 rdp->flags |= AR_F_READY;
763 rdp->flags &= ~AR_F_DEGRADED;
765 for (disk = 0; disk < rdp->total_disks; disk++)
766 if (!(rdp->disks[disk].flags & AR_DF_PRESENT))
767 rdp->disks[disk].flags &= ~AR_DF_ONLINE;
769 for (disk = 0; disk < rdp->total_disks; disk++) {
770 switch (rdp->flags & (AR_F_RAID0 | AR_F_RAID1 | AR_F_SPAN)) {
773 if (!(rdp->disks[disk].flags & AR_DF_ONLINE)) {
774 rdp->flags &= ~AR_F_READY;
775 kprintf("ar%d: ERROR - array broken\n", rdp->lun);
780 case AR_F_RAID0 | AR_F_RAID1:
781 if (disk < rdp->width) {
782 if (!(rdp->disks[disk].flags & AR_DF_ONLINE) &&
783 !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) {
784 rdp->flags &= ~AR_F_READY;
785 kprintf("ar%d: ERROR - array broken\n", rdp->lun);
787 else if (((rdp->disks[disk].flags & AR_DF_ONLINE) &&
789 [disk + rdp->width].flags & AR_DF_ONLINE))||
790 (!(rdp->disks[disk].flags & AR_DF_ONLINE) &&
792 [disk + rdp->width].flags & AR_DF_ONLINE))) {
793 rdp->flags |= AR_F_DEGRADED;
794 if (!(flags & AR_F_DEGRADED))
795 kprintf("ar%d: WARNING - mirror lost\n", rdp->lun);
800 if ((rdp->disks[disk].flags&AR_DF_PRESENT) && rdp->disks[disk].device) {
801 if (rdp->disks[disk].flags & AR_DF_ONLINE)
802 ata_enclosure_leds(rdp->disks[disk].device, ATA_LED_GREEN);
804 ata_enclosure_leds(rdp->disks[disk].device, ATA_LED_RED);
808 if (rdp->flags & AR_F_PROMISE_RAID)
809 ar_promise_write_conf(rdp);
810 if (rdp->flags & AR_F_HIGHPOINT_RAID)
811 ar_highpoint_write_conf(rdp);
816 ar_rebuild(struct ar_softc *rdp)
818 int disk, count = 0, error = 0;
821 if ((rdp->flags & (AR_F_READY|AR_F_DEGRADED)) != (AR_F_READY|AR_F_DEGRADED))
824 for (disk = 0; disk < rdp->total_disks; disk++) {
825 if (((rdp->disks[disk].flags&(AR_DF_PRESENT|AR_DF_ONLINE|AR_DF_SPARE))==
826 (AR_DF_PRESENT | AR_DF_SPARE)) && rdp->disks[disk].device) {
827 if (AD_SOFTC(rdp->disks[disk])->total_secs <
828 rdp->disks[disk].disk_sectors) {
829 ata_prtdev(rdp->disks[disk].device,
830 "disk capacity too small for this RAID config\n");
832 rdp->disks[disk].flags &= ~AR_DF_SPARE;
833 AD_SOFTC(rdp->disks[disk])->flags &= ~AD_F_RAID_SUBDISK;
837 ata_enclosure_leds(rdp->disks[disk].device, ATA_LED_ORANGE);
844 /* setup start conditions */
847 rdp->lock_end = rdp->lock_start + 256;
848 rdp->flags |= AR_F_REBUILDING;
850 buffer = kmalloc(256 * DEV_BSIZE, M_AR, M_WAITOK | M_ZERO);
852 /* now go copy entire disk(s) */
853 while (rdp->lock_end < (rdp->total_sectors / rdp->width)) {
854 int size = min(256, (rdp->total_sectors / rdp->width) - rdp->lock_end);
856 for (disk = 0; disk < rdp->width; disk++) {
857 struct ad_softc *adp;
859 if (((rdp->disks[disk].flags & AR_DF_ONLINE) &&
860 (rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) ||
861 ((rdp->disks[disk].flags & AR_DF_ONLINE) &&
862 !(rdp->disks[disk + rdp->width].flags & AR_DF_SPARE)) ||
863 ((rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE) &&
864 !(rdp->disks[disk].flags & AR_DF_SPARE)))
867 if (rdp->disks[disk].flags & AR_DF_ONLINE)
868 adp = AD_SOFTC(rdp->disks[disk]);
870 adp = AD_SOFTC(rdp->disks[disk + rdp->width]);
871 if ((error = ar_rw(adp, rdp->lock_start,
872 size * DEV_BSIZE, buffer, AR_READ | AR_WAIT)))
875 if (rdp->disks[disk].flags & AR_DF_ONLINE)
876 adp = AD_SOFTC(rdp->disks[disk + rdp->width]);
878 adp = AD_SOFTC(rdp->disks[disk]);
879 if ((error = ar_rw(adp, rdp->lock_start,
880 size * DEV_BSIZE, buffer, AR_WRITE | AR_WAIT)))
889 rdp->lock_start = rdp->lock_end;
890 rdp->lock_end = rdp->lock_start + size;
895 for (disk = 0; disk < rdp->total_disks; disk++) {
896 if ((rdp->disks[disk].flags&(AR_DF_PRESENT|AR_DF_ONLINE|AR_DF_SPARE))==
897 (AR_DF_PRESENT | AR_DF_SPARE)) {
898 rdp->disks[disk].flags &= ~AR_DF_SPARE;
899 rdp->disks[disk].flags |= (AR_DF_ASSIGNED | AR_DF_ONLINE);
903 rdp->lock_start = 0xffffffff;
904 rdp->lock_end = 0xffffffff;
905 rdp->flags &= ~AR_F_REBUILDING;
907 ar_config_changed(rdp, 1);
912 ar_highpoint_read_conf(struct ad_softc *adp, struct ar_softc **raidp)
914 struct highpoint_raid_conf *info;
915 struct ar_softc *raid = NULL;
916 int array, disk_number = 0, retval = 0;
918 info = kmalloc(sizeof(struct highpoint_raid_conf), M_AR, M_INTWAIT|M_ZERO);
920 if (ar_rw(adp, HPT_LBA, sizeof(struct highpoint_raid_conf),
921 (caddr_t)info, AR_READ | AR_WAIT)) {
923 kprintf("ar: HighPoint read conf failed\n");
927 /* check if this is a HighPoint RAID struct */
928 if (info->magic != HPT_MAGIC_OK && info->magic != HPT_MAGIC_BAD) {
930 kprintf("ar: HighPoint check1 failed\n");
934 /* is this disk defined, or an old leftover/spare ? */
935 if (!info->magic_0) {
937 kprintf("ar: HighPoint check2 failed\n");
941 /* now convert HighPoint config info into our generic form */
942 for (array = 0; array < MAX_ARRAYS; array++) {
944 raidp[array] = kmalloc(sizeof(struct ar_softc), M_AR,
948 if (raid->flags & AR_F_PROMISE_RAID)
951 switch (info->type) {
953 if ((info->order & (HPT_O_RAID0|HPT_O_OK))==(HPT_O_RAID0|HPT_O_OK))
954 goto highpoint_raid1;
955 if (info->order & (HPT_O_RAID0 | HPT_O_RAID1))
956 goto highpoint_raid01;
957 if (raid->magic_0 && raid->magic_0 != info->magic_0)
959 raid->magic_0 = info->magic_0;
960 raid->flags |= AR_F_RAID0;
961 raid->interleave = 1 << info->stripe_shift;
962 disk_number = info->disk_number;
963 if (!(info->order & HPT_O_OK))
964 info->magic = 0; /* mark bad */
969 if (raid->magic_0 && raid->magic_0 != info->magic_0)
971 raid->magic_0 = info->magic_0;
972 raid->flags |= AR_F_RAID1;
973 disk_number = (info->disk_number > 0);
976 case HPT_T_RAID01_RAID0:
978 if (info->order & HPT_O_RAID0) {
979 if ((raid->magic_0 && raid->magic_0 != info->magic_0) ||
980 (raid->magic_1 && raid->magic_1 != info->magic_1))
982 raid->magic_0 = info->magic_0;
983 raid->magic_1 = info->magic_1;
984 raid->flags |= (AR_F_RAID0 | AR_F_RAID1);
985 raid->interleave = 1 << info->stripe_shift;
986 disk_number = info->disk_number;
989 if (raid->magic_1 && raid->magic_1 != info->magic_1)
991 raid->magic_1 = info->magic_1;
992 raid->flags |= (AR_F_RAID0 | AR_F_RAID1);
993 raid->interleave = 1 << info->stripe_shift;
994 disk_number = info->disk_number + info->array_width;
995 if (!(info->order & HPT_O_RAID1))
996 info->magic = 0; /* mark bad */
1001 if (raid->magic_0 && raid->magic_0 != info->magic_0)
1003 raid->magic_0 = info->magic_0;
1004 raid->flags |= AR_F_SPAN;
1005 disk_number = info->disk_number;
1009 kprintf("ar%d: HighPoint unknown RAID type 0x%02x\n",
1014 raid->flags |= AR_F_HIGHPOINT_RAID;
1015 raid->disks[disk_number].device = adp->device;
1016 raid->disks[disk_number].flags = (AR_DF_PRESENT | AR_DF_ASSIGNED);
1018 if (info->magic == HPT_MAGIC_OK) {
1019 raid->disks[disk_number].flags |= AR_DF_ONLINE;
1020 raid->flags |= AR_F_READY;
1021 raid->width = info->array_width;
1024 raid->cylinders = info->total_sectors / (63 * 255);
1025 raid->total_sectors = info->total_sectors;
1026 raid->offset = HPT_LBA + 1;
1027 raid->reserved = HPT_LBA + 1;
1028 raid->lock_start = raid->lock_end = info->rebuild_lba;
1029 raid->disks[disk_number].disk_sectors =
1030 info->total_sectors / info->array_width;
1033 raid->disks[disk_number].flags &= ~ AR_DF_ONLINE;
1035 if ((raid->flags & AR_F_RAID0) && (raid->total_disks < raid->width))
1036 raid->total_disks = raid->width;
1037 if (disk_number >= raid->total_disks)
1038 raid->total_disks = disk_number + 1;
1048 ar_highpoint_write_conf(struct ar_softc *rdp)
1050 struct highpoint_raid_conf *config;
1051 struct timeval timestamp;
1054 microtime(×tamp);
1055 rdp->magic_0 = timestamp.tv_sec + 2;
1056 rdp->magic_1 = timestamp.tv_sec;
1058 for (disk = 0; disk < rdp->total_disks; disk++) {
1059 config = kmalloc(sizeof(struct highpoint_raid_conf),
1060 M_AR, M_INTWAIT | M_ZERO);
1061 if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) ==
1062 (AR_DF_PRESENT | AR_DF_ONLINE))
1063 config->magic = HPT_MAGIC_OK;
1064 if (rdp->disks[disk].flags & AR_DF_ASSIGNED) {
1065 config->magic_0 = rdp->magic_0;
1066 strcpy(config->name_1, "FreeBSD");
1068 config->disk_number = disk;
1070 switch (rdp->flags & (AR_F_RAID0 | AR_F_RAID1 | AR_F_SPAN)) {
1072 config->type = HPT_T_RAID0;
1073 strcpy(config->name_2, "RAID 0");
1074 if (rdp->disks[disk].flags & AR_DF_ONLINE)
1075 config->order = HPT_O_OK;
1079 config->type = HPT_T_RAID0; /* bogus but old HPT BIOS need it */
1080 strcpy(config->name_2, "RAID 1");
1081 config->disk_number = (disk < rdp->width) ? disk : disk + 5;
1082 config->order = HPT_O_RAID0 | HPT_O_OK;
1085 case AR_F_RAID0 | AR_F_RAID1:
1086 config->type = HPT_T_RAID01_RAID0;
1087 strcpy(config->name_2, "RAID 0+1");
1088 if (rdp->disks[disk].flags & AR_DF_ONLINE) {
1089 if (disk < rdp->width) {
1090 config->order = (HPT_O_RAID0 | HPT_O_RAID1);
1091 config->magic_0 = rdp->magic_0 - 1;
1094 config->order = HPT_O_RAID1;
1095 config->disk_number -= rdp->width;
1099 config->magic_0 = rdp->magic_0 - 1;
1100 config->magic_1 = rdp->magic_1;
1104 config->type = HPT_T_SPAN;
1105 strcpy(config->name_2, "SPAN");
1109 config->array_width = rdp->width;
1110 config->stripe_shift = (rdp->width > 1) ? (ffs(rdp->interleave)-1) : 0;
1111 config->total_sectors = rdp->total_sectors;
1112 config->rebuild_lba = rdp->lock_start;
1114 if ((rdp->disks[disk].device && rdp->disks[disk].device->driver) &&
1115 !(rdp->disks[disk].device->flags & ATA_D_DETACHING)) {
1117 if (ar_rw(AD_SOFTC(rdp->disks[disk]), HPT_LBA,
1118 sizeof(struct highpoint_raid_conf),
1119 (caddr_t)config, AR_WRITE)) {
1120 kprintf("ar%d: Highpoint write conf failed\n", rdp->lun);
1129 ar_promise_read_conf(struct ad_softc *adp, struct ar_softc **raidp, int local)
1131 struct promise_raid_conf *info;
1132 struct ar_softc *raid;
1133 u_int32_t magic, cksum, *ckptr;
1134 int array, count, disk, disksum = 0, retval = 0;
1136 info = kmalloc(sizeof(struct promise_raid_conf), M_AR, M_INTWAIT | M_ZERO);
1138 if (ar_rw(adp, PR_LBA(adp), sizeof(struct promise_raid_conf),
1139 (caddr_t)info, AR_READ | AR_WAIT)) {
1141 kprintf("ar: %s read conf failed\n", local ? "FreeBSD" : "Promise");
1145 /* check if this is a Promise RAID struct (or our local one) */
1147 if (strncmp(info->promise_id, ATA_MAGIC, sizeof(ATA_MAGIC))) {
1149 kprintf("ar: FreeBSD check1 failed\n");
1154 if (strncmp(info->promise_id, PR_MAGIC, sizeof(PR_MAGIC))) {
1156 kprintf("ar: Promise check1 failed\n");
1161 /* check if the checksum is OK */
1162 for (cksum = 0, ckptr = (int32_t *)info, count = 0; count < 511; count++)
1164 if (cksum != *ckptr) {
1166 kprintf("ar: %s check2 failed\n", local ? "FreeBSD" : "Promise");
1170 /* now convert Promise config info into our generic form */
1171 if (info->raid.integrity != PR_I_VALID) {
1173 kprintf("ar: %s check3 failed\n", local ? "FreeBSD" : "Promise");
1177 for (array = 0; array < MAX_ARRAYS; array++) {
1178 if (!raidp[array]) {
1179 raidp[array] = kmalloc(sizeof(struct ar_softc), M_AR,
1180 M_INTWAIT | M_ZERO);
1182 raid = raidp[array];
1183 if (raid->flags & AR_F_HIGHPOINT_RAID)
1186 magic = (adp->device->channel->chiptype >> 16) |
1187 (info->raid.array_number << 16);
1189 if ((raid->flags & AR_F_PROMISE_RAID) && magic != raid->magic_0)
1192 /* update our knowledge about the array config based on generation */
1193 if (!info->raid.generation || info->raid.generation > raid->generation){
1194 raid->generation = info->raid.generation;
1195 raid->flags = AR_F_PROMISE_RAID;
1197 raid->flags |= AR_F_FREEBSD_RAID;
1198 raid->magic_0 = magic;
1200 if ((info->raid.status &
1201 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) ==
1202 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) {
1203 raid->flags |= AR_F_READY;
1204 if (info->raid.status & PR_S_DEGRADED)
1205 raid->flags |= AR_F_DEGRADED;
1208 raid->flags &= ~AR_F_READY;
1210 switch (info->raid.type) {
1212 raid->flags |= AR_F_RAID0;
1216 raid->flags |= AR_F_RAID1;
1217 if (info->raid.array_width > 1)
1218 raid->flags |= AR_F_RAID0;
1222 raid->flags |= AR_F_SPAN;
1226 kprintf("ar%d: %s unknown RAID type 0x%02x\n",
1227 array, local ? "FreeBSD" : "Promise", info->raid.type);
1230 raid->interleave = 1 << info->raid.stripe_shift;
1231 raid->width = info->raid.array_width;
1232 raid->total_disks = info->raid.total_disks;
1233 raid->heads = info->raid.heads + 1;
1234 raid->sectors = info->raid.sectors;
1235 raid->cylinders = info->raid.cylinders + 1;
1236 raid->total_sectors = info->raid.total_sectors;
1238 raid->reserved = 63;
1239 raid->lock_start = raid->lock_end = info->raid.rebuild_lba;
1241 /* convert disk flags to our internal types */
1242 for (disk = 0; disk < info->raid.total_disks; disk++) {
1243 raid->disks[disk].flags = 0;
1244 disksum += info->raid.disk[disk].flags;
1245 if (info->raid.disk[disk].flags & PR_F_ONLINE)
1246 raid->disks[disk].flags |= AR_DF_ONLINE;
1247 if (info->raid.disk[disk].flags & PR_F_ASSIGNED)
1248 raid->disks[disk].flags |= AR_DF_ASSIGNED;
1249 if (info->raid.disk[disk].flags & PR_F_SPARE) {
1250 raid->disks[disk].flags &= ~AR_DF_ONLINE;
1251 raid->disks[disk].flags |= AR_DF_SPARE;
1253 if (info->raid.disk[disk].flags & (PR_F_REDIR | PR_F_DOWN))
1254 raid->disks[disk].flags &= ~AR_DF_ONLINE;
1257 kfree(raidp[array], M_AR);
1258 raidp[array] = NULL;
1262 if (raid->disks[info->raid.disk_number].flags && adp->device) {
1263 raid->disks[info->raid.disk_number].device = adp->device;
1264 raid->disks[info->raid.disk_number].flags |= AR_DF_PRESENT;
1265 raid->disks[info->raid.disk_number].disk_sectors =
1266 info->raid.total_sectors / info->raid.array_width;
1267 /*info->raid.disk_sectors;*/
1278 ar_promise_write_conf(struct ar_softc *rdp)
1280 struct promise_raid_conf *config;
1281 struct timeval timestamp;
1283 int count, disk, drive;
1284 int local = rdp->flags & AR_F_FREEBSD_RAID;
1287 microtime(×tamp);
1289 for (disk = 0; disk < rdp->total_disks; disk++) {
1290 config = kmalloc(sizeof(struct promise_raid_conf), M_AR, M_INTWAIT);
1291 for (count = 0; count < sizeof(struct promise_raid_conf); count++)
1292 *(((u_int8_t *)config) + count) = 255 - (count % 256);
1295 bcopy(ATA_MAGIC, config->promise_id, sizeof(ATA_MAGIC));
1297 bcopy(PR_MAGIC, config->promise_id, sizeof(PR_MAGIC));
1298 config->dummy_0 = 0x00020000;
1299 config->magic_0 = PR_MAGIC0(rdp->disks[disk]) | timestamp.tv_sec;
1300 config->magic_1 = timestamp.tv_sec >> 16;
1301 config->magic_2 = timestamp.tv_sec;
1302 config->raid.integrity = PR_I_VALID;
1304 config->raid.disk_number = disk;
1305 if ((rdp->disks[disk].flags&AR_DF_PRESENT) && rdp->disks[disk].device) {
1306 config->raid.channel = rdp->disks[disk].device->channel->unit;
1307 config->raid.device = (rdp->disks[disk].device->unit != 0);
1308 if (AD_SOFTC(rdp->disks[disk])->dev)
1309 config->raid.disk_sectors = PR_LBA(AD_SOFTC(rdp->disks[disk]));
1310 /*config->raid.disk_offset*/
1312 config->raid.magic_0 = config->magic_0;
1313 config->raid.rebuild_lba = rdp->lock_start;
1314 config->raid.generation = rdp->generation;
1316 if (rdp->flags & AR_F_READY) {
1317 config->raid.flags = (PR_F_VALID | PR_F_ASSIGNED | PR_F_ONLINE);
1318 config->raid.status =
1319 (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY);
1320 if (rdp->flags & AR_F_DEGRADED)
1321 config->raid.status |= PR_S_DEGRADED;
1323 config->raid.status |= PR_S_FUNCTIONAL;
1326 config->raid.status = 0;
1327 config->raid.flags = PR_F_DOWN;
1330 switch (rdp->flags & (AR_F_RAID0 | AR_F_RAID1 | AR_F_SPAN)) {
1332 config->raid.type = PR_T_RAID0;
1335 config->raid.type = PR_T_RAID1;
1337 case AR_F_RAID0 | AR_F_RAID1:
1338 config->raid.type = PR_T_RAID1;
1341 config->raid.type = PR_T_SPAN;
1345 config->raid.total_disks = rdp->total_disks;
1346 config->raid.stripe_shift = ffs(rdp->interleave) - 1;
1347 config->raid.array_width = rdp->width;
1348 config->raid.array_number = rdp->lun;
1349 config->raid.total_sectors = rdp->total_sectors;
1350 config->raid.cylinders = rdp->cylinders - 1;
1351 config->raid.heads = rdp->heads - 1;
1352 config->raid.sectors = rdp->sectors;
1353 config->raid.magic_1 = (u_int64_t)config->magic_2<<16 | config->magic_1;
1355 bzero(&config->raid.disk, 8 * 12);
1356 for (drive = 0; drive < rdp->total_disks; drive++) {
1357 config->raid.disk[drive].flags = 0;
1358 if (rdp->disks[drive].flags & AR_DF_PRESENT)
1359 config->raid.disk[drive].flags |= PR_F_VALID;
1360 if (rdp->disks[drive].flags & AR_DF_ASSIGNED)
1361 config->raid.disk[drive].flags |= PR_F_ASSIGNED;
1362 if (rdp->disks[drive].flags & AR_DF_ONLINE)
1363 config->raid.disk[drive].flags |= PR_F_ONLINE;
1365 if (rdp->disks[drive].flags & AR_DF_PRESENT)
1366 config->raid.disk[drive].flags = (PR_F_REDIR | PR_F_DOWN);
1367 if (rdp->disks[drive].flags & AR_DF_SPARE)
1368 config->raid.disk[drive].flags |= PR_F_SPARE;
1369 config->raid.disk[drive].dummy_0 = 0x0;
1370 if (rdp->disks[drive].device) {
1371 config->raid.disk[drive].channel =
1372 rdp->disks[drive].device->channel->unit;
1373 config->raid.disk[drive].device =
1374 (rdp->disks[drive].device->unit != 0);
1376 config->raid.disk[drive].magic_0 =
1377 PR_MAGIC0(rdp->disks[drive]) | timestamp.tv_sec;
1380 config->checksum = 0;
1381 for (ckptr = (int32_t *)config, count = 0; count < 511; count++)
1382 config->checksum += *ckptr++;
1383 if (rdp->disks[disk].device && rdp->disks[disk].device->driver &&
1384 !(rdp->disks[disk].device->flags & ATA_D_DETACHING)) {
1385 if (ar_rw(AD_SOFTC(rdp->disks[disk]),
1386 PR_LBA(AD_SOFTC(rdp->disks[disk])),
1387 sizeof(struct promise_raid_conf),
1388 (caddr_t)config, AR_WRITE)) {
1389 kprintf("ar%d: %s write conf failed\n",
1390 rdp->lun, local ? "FreeBSD" : "Promise");
1399 ar_rw_done(struct bio *bio)
1401 struct buf *bp = bio->bio_buf;
1405 kfree(bp->b_data, M_AR);
1410 ar_rw(struct ad_softc *adp, u_int32_t lba, int count, caddr_t data, int flags)
1413 int retry = 0, error = 0;
1415 bp = kmalloc(sizeof(struct buf), M_AR, M_INTWAIT|M_ZERO);
1417 BUF_LOCK(bp, LK_EXCLUSIVE);
1419 bp->b_bio1.bio_offset = (off_t)lba << DEV_BSHIFT;
1420 bp->b_bcount = count;
1421 if (flags & AR_WAIT) {
1422 bp->b_bio1.bio_flags |= BIO_SYNC;
1423 bp->b_bio1.bio_done = biodone_sync;
1425 bp->b_bio1.bio_done = ar_rw_done;
1427 if (flags & AR_READ)
1428 bp->b_cmd = BUF_CMD_READ;
1429 if (flags & AR_WRITE)
1430 bp->b_cmd = BUF_CMD_WRITE;
1431 KKASSERT(bp->b_cmd != BUF_CMD_DONE);
1433 dev_dstrategy(adp->dev, &bp->b_bio1);
1435 if (flags & AR_WAIT) {
1436 while (retry++ < (15*hz/10))
1437 error = biowait_timeout(&bp->b_bio1, "arrw", 10);
1438 if (!error && (bp->b_flags & B_ERROR))
1439 error = bp->b_error;
1440 if (error == EWOULDBLOCK) {
1441 bp->b_bio1.bio_done = ar_rw_done;
1451 static struct ata_device *
1452 ar_locate_disk(int diskno)
1454 struct ata_channel *ch;
1457 for (ctlr = 0; ctlr < devclass_get_maxunit(ata_devclass); ctlr++) {
1458 if (!(ch = devclass_get_softc(ata_devclass, ctlr)))
1460 if (ch->devices & ATA_ATA_MASTER)
1461 if (ch->device[MASTER].driver &&
1462 ((struct ad_softc *)(ch->device[MASTER].driver))->lun == diskno)
1463 return &ch->device[MASTER];
1464 if (ch->devices & ATA_ATA_SLAVE)
1465 if (ch->device[SLAVE].driver &&
1466 ((struct ad_softc *)(ch->device[SLAVE].driver))->lun == diskno)
1467 return &ch->device[SLAVE];