diff options
Diffstat (limited to 'sys/dev/ata/ata-raid.c')
| -rw-r--r-- | sys/dev/ata/ata-raid.c | 5462 |
1 files changed, 0 insertions, 5462 deletions
diff --git a/sys/dev/ata/ata-raid.c b/sys/dev/ata/ata-raid.c deleted file mode 100644 index 5b0595c..0000000 --- a/sys/dev/ata/ata-raid.c +++ /dev/null @@ -1,5462 +0,0 @@ -/*- - * Copyright (c) 2000 - 2008 Søren Schmidt <sos@FreeBSD.org> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer, - * without modification, immediately at the beginning of the file. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include "opt_ata.h" -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/ata.h> -#include <sys/kernel.h> -#include <sys/malloc.h> -#include <sys/module.h> -#include <sys/endian.h> -#include <sys/bio.h> -#include <sys/bus.h> -#include <sys/conf.h> -#include <sys/disk.h> -#include <sys/cons.h> -#include <sys/sema.h> -#include <sys/taskqueue.h> -#include <vm/uma.h> -#include <machine/bus.h> -#include <sys/rman.h> -#include <dev/pci/pcivar.h> -#include <geom/geom_disk.h> -#include <dev/ata/ata-all.h> -#include <dev/ata/ata-disk.h> -#include <dev/ata/ata-raid.h> -#include <dev/ata/ata-raid-ddf.h> -#include <dev/ata/ata-pci.h> -#include <ata_if.h> - -/* prototypes */ -static void ata_raid_done(struct ata_request *request); -static void ata_raid_config_changed(struct ar_softc *rdp, int writeback); -static int ata_raid_status(struct ata_ioc_raid_status *status); -static int ata_raid_create(struct ata_ioc_raid_config *config); -static int ata_raid_delete(int array); -static int ata_raid_addspare(struct ata_ioc_raid_config *config); -static int ata_raid_rebuild(int array); -static int ata_raid_read_metadata(device_t subdisk); -static int ata_raid_write_metadata(struct ar_softc *rdp); -static int ata_raid_wipe_metadata(struct ar_softc *rdp); -static int ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp); -static int ata_raid_ddf_read_meta(device_t dev, struct ar_softc **raidp); -static int ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp); -static int ata_raid_hptv2_write_meta(struct ar_softc *rdp); -static int ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp); -static int ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp); -static int ata_raid_intel_write_meta(struct ar_softc *rdp); -static int ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp); -static int ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp); -static int ata_raid_jmicron_write_meta(struct ar_softc *rdp); -static int ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp); -static int ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp); -static int ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp); -static int ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native); -static int ata_raid_promise_write_meta(struct ar_softc *rdp); -static int ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp); -static int ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp); -static int ata_raid_sis_write_meta(struct ar_softc *rdp); -static int ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp); -static int ata_raid_via_write_meta(struct ar_softc *rdp); -static struct ata_request *ata_raid_init_request(device_t dev, struct ar_softc *rdp, struct bio *bio); -static int ata_raid_send_request(struct ata_request *request); -static int ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags); -static char * ata_raid_format(struct ar_softc *rdp); -static char * ata_raid_type(struct ar_softc *rdp); -static char * ata_raid_flags(struct ar_softc *rdp); - -/* debugging only */ -static void ata_raid_print_meta(struct ar_softc *meta); -static void ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta); -static void ata_raid_ddf_print_meta(uint8_t *meta); -static void ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta); -static void ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta); -static void ata_raid_intel_print_meta(struct intel_raid_conf *meta); -static void ata_raid_ite_print_meta(struct ite_raid_conf *meta); -static void ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta); -static void ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta); -static void ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta); -static void ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta); -static void ata_raid_promise_print_meta(struct promise_raid_conf *meta); -static void ata_raid_sii_print_meta(struct sii_raid_conf *meta); -static void ata_raid_sis_print_meta(struct sis_raid_conf *meta); -static void ata_raid_via_print_meta(struct via_raid_conf *meta); - -/* internal vars */ -static struct ar_softc *ata_raid_arrays[MAX_ARRAYS]; -static MALLOC_DEFINE(M_AR, "ar_driver", "ATA PseudoRAID driver"); -static devclass_t ata_raid_sub_devclass; -static int testing = 0; - -/* device structures */ -static disk_strategy_t ata_raid_strategy; -static dumper_t ata_raid_dump; - -static void -ata_raid_attach(struct ar_softc *rdp, int writeback) -{ - char buffer[32]; - int disk; - - mtx_init(&rdp->lock, "ATA PseudoRAID metadata lock", NULL, MTX_DEF); - ata_raid_config_changed(rdp, writeback); - - /* sanitize arrays total_size % (width * interleave) == 0 */ - if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 || - rdp->type == AR_T_RAID5) { - rdp->total_sectors = (rdp->total_sectors/(rdp->interleave*rdp->width))* - (rdp->interleave * rdp->width); - sprintf(buffer, " (stripe %d KB)", - (rdp->interleave * DEV_BSIZE) / 1024); - } - else - buffer[0] = '\0'; - rdp->disk = disk_alloc(); - rdp->disk->d_strategy = ata_raid_strategy; - rdp->disk->d_dump = ata_raid_dump; - rdp->disk->d_name = "ar"; - rdp->disk->d_sectorsize = DEV_BSIZE; - rdp->disk->d_mediasize = (off_t)rdp->total_sectors * DEV_BSIZE; - rdp->disk->d_fwsectors = rdp->sectors; - rdp->disk->d_fwheads = rdp->heads; - rdp->disk->d_maxsize = 128 * DEV_BSIZE; - rdp->disk->d_drv1 = rdp; - rdp->disk->d_unit = rdp->lun; - /* we support flushing cache if all components support it */ - /* XXX: not all components can be connected at this point */ - rdp->disk->d_flags = DISKFLAG_CANFLUSHCACHE; - for (disk = 0; disk < rdp->total_disks; disk++) { - struct ata_device *atadev; - - if (rdp->disks[disk].dev == NULL) - continue; - if ((atadev = device_get_softc(rdp->disks[disk].dev)) == NULL) - continue; - if (atadev->param.support.command2 & ATA_SUPPORT_FLUSHCACHE) - continue; - rdp->disk->d_flags = 0; - break; - } - disk_create(rdp->disk, DISK_VERSION); - - printf("ar%d: %juMB <%s %s%s> status: %s\n", rdp->lun, - rdp->total_sectors / ((1024L * 1024L) / DEV_BSIZE), - ata_raid_format(rdp), ata_raid_type(rdp), - buffer, ata_raid_flags(rdp)); - - if (testing || bootverbose) - printf("ar%d: %ju sectors [%dC/%dH/%dS] <%s> subdisks defined as:\n", - rdp->lun, rdp->total_sectors, - rdp->cylinders, rdp->heads, rdp->sectors, rdp->name); - - for (disk = 0; disk < rdp->total_disks; disk++) { - printf("ar%d: disk%d ", rdp->lun, disk); - if (rdp->disks[disk].dev) { - if (rdp->disks[disk].flags & AR_DF_PRESENT) { - /* status of this disk in the array */ - if (rdp->disks[disk].flags & AR_DF_ONLINE) - printf("READY "); - else if (rdp->disks[disk].flags & AR_DF_SPARE) - printf("SPARE "); - else - printf("FREE "); - - /* what type of disk is this in the array */ - switch (rdp->type) { - case AR_T_RAID1: - case AR_T_RAID01: - if (disk < rdp->width) - printf("(master) "); - else - printf("(mirror) "); - } - - /* which physical disk is used */ - printf("using %s at ata%d-%s\n", - device_get_nameunit(rdp->disks[disk].dev), - device_get_unit(device_get_parent(rdp->disks[disk].dev)), - (((struct ata_device *) - device_get_softc(rdp->disks[disk].dev))->unit == - ATA_MASTER) ? "master" : "slave"); - } - else if (rdp->disks[disk].flags & AR_DF_ASSIGNED) - printf("DOWN\n"); - else - printf("INVALID no RAID config on this subdisk\n"); - } - else - printf("DOWN no device found for this subdisk\n"); - } -} - -static int -ata_raid_ioctl(u_long cmd, caddr_t data) -{ - struct ata_ioc_raid_status *status = (struct ata_ioc_raid_status *)data; - struct ata_ioc_raid_config *config = (struct ata_ioc_raid_config *)data; - int *lun = (int *)data; - int error = EOPNOTSUPP; - - switch (cmd) { - case IOCATARAIDSTATUS: - error = ata_raid_status(status); - break; - - case IOCATARAIDCREATE: - error = ata_raid_create(config); - break; - - case IOCATARAIDDELETE: - error = ata_raid_delete(*lun); - break; - - case IOCATARAIDADDSPARE: - error = ata_raid_addspare(config); - break; - - case IOCATARAIDREBUILD: - error = ata_raid_rebuild(*lun); - break; - } - return error; -} - -static int -ata_raid_flush(struct bio *bp) -{ - struct ar_softc *rdp = bp->bio_disk->d_drv1; - struct ata_request *request; - device_t dev; - int disk, error; - - error = 0; - bp->bio_pflags = 0; - - for (disk = 0; disk < rdp->total_disks; disk++) { - if ((dev = rdp->disks[disk].dev) != NULL) - bp->bio_pflags++; - } - for (disk = 0; disk < rdp->total_disks; disk++) { - if ((dev = rdp->disks[disk].dev) == NULL) - continue; - if (!(request = ata_raid_init_request(dev, rdp, bp))) - return ENOMEM; - request->dev = dev; - request->u.ata.command = ATA_FLUSHCACHE; - request->u.ata.lba = 0; - request->u.ata.count = 0; - request->u.ata.feature = 0; - request->timeout = ATA_REQUEST_TIMEOUT; - request->retries = 0; - request->flags |= ATA_R_ORDERED | ATA_R_DIRECT; - ata_queue_request(request); - } - return 0; -} - -static void -ata_raid_strategy(struct bio *bp) -{ - struct ar_softc *rdp = bp->bio_disk->d_drv1; - struct ata_request *request; - caddr_t data; - u_int64_t blkno, lba, blk = 0; - int count, chunk, drv, par = 0, change = 0; - - if (bp->bio_cmd == BIO_FLUSH) { - int error; - - error = ata_raid_flush(bp); - if (error != 0) - biofinish(bp, NULL, error); - return; - } - - if (!(rdp->status & AR_S_READY) || - (bp->bio_cmd != BIO_READ && bp->bio_cmd != BIO_WRITE)) { - biofinish(bp, NULL, EIO); - return; - } - - bp->bio_resid = bp->bio_bcount; - for (count = howmany(bp->bio_bcount, DEV_BSIZE), - blkno = bp->bio_pblkno, data = bp->bio_data; - count > 0; - count -= chunk, blkno += chunk, data += (chunk * DEV_BSIZE)) { - - switch (rdp->type) { - case AR_T_RAID1: - drv = 0; - lba = blkno; - chunk = count; - break; - - case AR_T_JBOD: - case AR_T_SPAN: - drv = 0; - lba = blkno; - while (lba >= rdp->disks[drv].sectors) - lba -= rdp->disks[drv++].sectors; - chunk = min(rdp->disks[drv].sectors - lba, count); - break; - - case AR_T_RAID0: - case AR_T_RAID01: - chunk = blkno % rdp->interleave; - drv = (blkno / rdp->interleave) % rdp->width; - lba = (((blkno/rdp->interleave)/rdp->width)*rdp->interleave)+chunk; - chunk = min(count, rdp->interleave - chunk); - break; - - case AR_T_RAID5: - drv = (blkno / rdp->interleave) % (rdp->width - 1); - par = rdp->width - 1 - - (blkno / (rdp->interleave * (rdp->width - 1))) % rdp->width; - if (drv >= par) - drv++; - lba = ((blkno/rdp->interleave)/(rdp->width-1))*(rdp->interleave) + - ((blkno%(rdp->interleave*(rdp->width-1)))%rdp->interleave); - chunk = min(count, rdp->interleave - (lba % rdp->interleave)); - break; - - default: - printf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun); - biofinish(bp, NULL, EIO); - return; - } - - /* offset on all but "first on HPTv2" */ - if (!(drv == 0 && rdp->format == AR_F_HPTV2_RAID)) - lba += rdp->offset_sectors; - - if (!(request = ata_raid_init_request(rdp->disks[drv].dev, rdp, bp))) { - biofinish(bp, NULL, EIO); - return; - } - request->data = data; - request->bytecount = chunk * DEV_BSIZE; - request->u.ata.lba = lba; - request->u.ata.count = request->bytecount / DEV_BSIZE; - - switch (rdp->type) { - case AR_T_JBOD: - case AR_T_SPAN: - case AR_T_RAID0: - if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == - (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) { - rdp->disks[drv].flags &= ~AR_DF_ONLINE; - ata_raid_config_changed(rdp, 1); - ata_free_request(request); - biofinish(bp, NULL, EIO); - return; - } - request->this = drv; - request->dev = rdp->disks[drv].dev; - ata_raid_send_request(request); - break; - - case AR_T_RAID1: - case AR_T_RAID01: - if ((rdp->disks[drv].flags & - (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) && - !rdp->disks[drv].dev) { - rdp->disks[drv].flags &= ~AR_DF_ONLINE; - change = 1; - } - if ((rdp->disks[drv + rdp->width].flags & - (AR_DF_PRESENT|AR_DF_ONLINE))==(AR_DF_PRESENT|AR_DF_ONLINE) && - !rdp->disks[drv + rdp->width].dev) { - rdp->disks[drv + rdp->width].flags &= ~AR_DF_ONLINE; - change = 1; - } - if (change) - ata_raid_config_changed(rdp, 1); - if (!(rdp->status & AR_S_READY)) { - ata_free_request(request); - biofinish(bp, NULL, EIO); - return; - } - - if (rdp->status & AR_S_REBUILDING) - blk = ((lba / rdp->interleave) * rdp->width) * rdp->interleave + - (rdp->interleave * (drv % rdp->width)) + - lba % rdp->interleave; - - if (bp->bio_cmd == BIO_READ) { - int src_online = - (rdp->disks[drv].flags & AR_DF_ONLINE); - int mir_online = - (rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE); - - /* if mirror gone or close to last access on source */ - if (!mir_online || - ((src_online) && - bp->bio_pblkno >= - (rdp->disks[drv].last_lba - AR_PROXIMITY) && - bp->bio_pblkno <= - (rdp->disks[drv].last_lba + AR_PROXIMITY))) { - rdp->toggle = 0; - } - /* if source gone or close to last access on mirror */ - else if (!src_online || - ((mir_online) && - bp->bio_pblkno >= - (rdp->disks[drv+rdp->width].last_lba-AR_PROXIMITY) && - bp->bio_pblkno <= - (rdp->disks[drv+rdp->width].last_lba+AR_PROXIMITY))) { - drv += rdp->width; - rdp->toggle = 1; - } - /* not close to any previous access, toggle */ - else { - if (rdp->toggle) - rdp->toggle = 0; - else { - drv += rdp->width; - rdp->toggle = 1; - } - } - - if ((rdp->status & AR_S_REBUILDING) && - (blk <= rdp->rebuild_lba) && - ((blk + chunk) > rdp->rebuild_lba)) { - struct ata_composite *composite; - struct ata_request *rebuild; - int this; - - /* figure out what part to rebuild */ - if (drv < rdp->width) - this = drv + rdp->width; - else - this = drv - rdp->width; - - /* do we have a spare to rebuild on ? */ - if (rdp->disks[this].flags & AR_DF_SPARE) { - if ((composite = ata_alloc_composite())) { - if ((rebuild = ata_raid_init_request( - rdp->disks[this].dev, rdp, bp))) { - rdp->rebuild_lba = blk + chunk; - rebuild->data = request->data; - rebuild->bytecount = request->bytecount; - rebuild->u.ata.lba = request->u.ata.lba; - rebuild->u.ata.count = request->u.ata.count; - rebuild->this = this; - rebuild->flags &= ~ATA_R_READ; - rebuild->flags |= ATA_R_WRITE; - mtx_init(&composite->lock, - "ATA PseudoRAID rebuild lock", - NULL, MTX_DEF); - composite->residual = request->bytecount; - composite->rd_needed |= (1 << drv); - composite->wr_depend |= (1 << drv); - composite->wr_needed |= (1 << this); - composite->request[drv] = request; - composite->request[this] = rebuild; - request->composite = composite; - rebuild->composite = composite; - ata_raid_send_request(rebuild); - } - else { - ata_free_composite(composite); - printf("DOH! ata_alloc_request failed!\n"); - } - } - else { - printf("DOH! ata_alloc_composite failed!\n"); - } - } - else if (rdp->disks[this].flags & AR_DF_ONLINE) { - /* - * if we got here we are a chunk of a RAID01 that - * does not need a rebuild, but we need to increment - * the rebuild_lba address to get the rebuild to - * move to the next chunk correctly - */ - rdp->rebuild_lba = blk + chunk; - } - else - printf("DOH! we didn't find the rebuild part\n"); - } - } - if (bp->bio_cmd == BIO_WRITE) { - if ((rdp->disks[drv+rdp->width].flags & AR_DF_ONLINE) || - ((rdp->status & AR_S_REBUILDING) && - (rdp->disks[drv+rdp->width].flags & AR_DF_SPARE) && - ((blk < rdp->rebuild_lba) || - ((blk <= rdp->rebuild_lba) && - ((blk + chunk) > rdp->rebuild_lba))))) { - if ((rdp->disks[drv].flags & AR_DF_ONLINE) || - ((rdp->status & AR_S_REBUILDING) && - (rdp->disks[drv].flags & AR_DF_SPARE) && - ((blk < rdp->rebuild_lba) || - ((blk <= rdp->rebuild_lba) && - ((blk + chunk) > rdp->rebuild_lba))))) { - struct ata_request *mirror; - struct ata_composite *composite; - int this = drv + rdp->width; - - if ((composite = ata_alloc_composite())) { - if ((mirror = ata_raid_init_request( - rdp->disks[this].dev, rdp, bp))) { - if ((blk <= rdp->rebuild_lba) && - ((blk + chunk) > rdp->rebuild_lba)) - rdp->rebuild_lba = blk + chunk; - mirror->data = request->data; - mirror->bytecount = request->bytecount; - mirror->u.ata.lba = request->u.ata.lba; - mirror->u.ata.count = request->u.ata.count; - mirror->this = this; - mtx_init(&composite->lock, - "ATA PseudoRAID mirror lock", - NULL, MTX_DEF); - composite->residual = request->bytecount; - composite->wr_needed |= (1 << drv); - composite->wr_needed |= (1 << this); - composite->request[drv] = request; - composite->request[this] = mirror; - request->composite = composite; - mirror->composite = composite; - ata_raid_send_request(mirror); - rdp->disks[this].last_lba = - bp->bio_pblkno + chunk; - } - else { - ata_free_composite(composite); - printf("DOH! ata_alloc_request failed!\n"); - } - } - else { - printf("DOH! ata_alloc_composite failed!\n"); - } - } - else - drv += rdp->width; - } - } - request->this = drv; - request->dev = rdp->disks[request->this].dev; - ata_raid_send_request(request); - rdp->disks[request->this].last_lba = bp->bio_pblkno + chunk; - break; - - case AR_T_RAID5: - if (((rdp->disks[drv].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == - (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[drv].dev)) { - rdp->disks[drv].flags &= ~AR_DF_ONLINE; - change = 1; - } - if (((rdp->disks[par].flags & (AR_DF_PRESENT|AR_DF_ONLINE)) == - (AR_DF_PRESENT|AR_DF_ONLINE) && !rdp->disks[par].dev)) { - rdp->disks[par].flags &= ~AR_DF_ONLINE; - change = 1; - } - if (change) - ata_raid_config_changed(rdp, 1); - if (!(rdp->status & AR_S_READY)) { - ata_free_request(request); - biofinish(bp, NULL, EIO); - return; - } - if (rdp->status & AR_S_DEGRADED) { - /* do the XOR game if possible */ - } - else { - request->this = drv; - request->dev = rdp->disks[request->this].dev; - if (bp->bio_cmd == BIO_READ) { - ata_raid_send_request(request); - } - if (bp->bio_cmd == BIO_WRITE) { - ata_raid_send_request(request); - // sikre at læs-modify-skriv til hver disk er atomarisk. - // par kopi af request - // læse orgdata fra drv - // skriv nydata til drv - // læse parorgdata fra par - // skriv orgdata xor parorgdata xor nydata til par - } - } - break; - - default: - printf("ar%d: unknown array type in ata_raid_strategy\n", rdp->lun); - } - } -} - -static void -ata_raid_done(struct ata_request *request) -{ - struct ar_softc *rdp = request->driver; - struct ata_composite *composite = NULL; - struct bio *bp = request->bio; - int i, mirror, finished = 0; - - if (bp->bio_cmd == BIO_FLUSH) { - if (bp->bio_error == 0) - bp->bio_error = request->result; - ata_free_request(request); - if (--bp->bio_pflags == 0) - biodone(bp); - return; - } - - switch (rdp->type) { - case AR_T_JBOD: - case AR_T_SPAN: - case AR_T_RAID0: - if (request->result) { - rdp->disks[request->this].flags &= ~AR_DF_ONLINE; - ata_raid_config_changed(rdp, 1); - bp->bio_error = request->result; - finished = 1; - } - else { - bp->bio_resid -= request->donecount; - if (!bp->bio_resid) - finished = 1; - } - break; - - case AR_T_RAID1: - case AR_T_RAID01: - if (request->this < rdp->width) - mirror = request->this + rdp->width; - else - mirror = request->this - rdp->width; - if (request->result) { - rdp->disks[request->this].flags &= ~AR_DF_ONLINE; - ata_raid_config_changed(rdp, 1); - } - if (rdp->status & AR_S_READY) { - u_int64_t blk = 0; - - if (rdp->status & AR_S_REBUILDING) - blk = ((request->u.ata.lba / rdp->interleave) * rdp->width) * - rdp->interleave + (rdp->interleave * - (request->this % rdp->width)) + - request->u.ata.lba % rdp->interleave; - - if (bp->bio_cmd == BIO_READ) { - - /* is this a rebuild composite */ - if ((composite = request->composite)) { - mtx_lock(&composite->lock); - - /* handle the read part of a rebuild composite */ - if (request->flags & ATA_R_READ) { - - /* if read failed array is now broken */ - if (request->result) { - rdp->disks[request->this].flags &= ~AR_DF_ONLINE; - ata_raid_config_changed(rdp, 1); - bp->bio_error = request->result; - rdp->rebuild_lba = blk; - finished = 1; - } - - /* good data, update how far we've gotten */ - else { - bp->bio_resid -= request->donecount; - composite->residual -= request->donecount; - if (!composite->residual) { - if (composite->wr_done & (1 << mirror)) - finished = 1; - } - } - } - - /* handle the write part of a rebuild composite */ - else if (request->flags & ATA_R_WRITE) { - if (composite->rd_done & (1 << mirror)) { - if (request->result) { - printf("DOH! rebuild failed\n"); /* XXX SOS */ - rdp->rebuild_lba = blk; - } - if (!composite->residual) - finished = 1; - } - } - mtx_unlock(&composite->lock); - } - - /* if read failed retry on the mirror */ - else if (request->result) { - request->dev = rdp->disks[mirror].dev; - request->flags &= ~ATA_R_TIMEOUT; - ata_raid_send_request(request); - return; - } - - /* we have good data */ - else { - bp->bio_resid -= request->donecount; - if (!bp->bio_resid) - finished = 1; - } - } - else if (bp->bio_cmd == BIO_WRITE) { - /* do we have a mirror or rebuild to deal with ? */ - if ((composite = request->composite)) { - mtx_lock(&composite->lock); - if (composite->wr_done & (1 << mirror)) { - if (request->result) { - if (composite->request[mirror]->result) { - printf("DOH! all disks failed and got here\n"); - bp->bio_error = EIO; - } - if (rdp->status & AR_S_REBUILDING) { - rdp->rebuild_lba = blk; - printf("DOH! rebuild failed\n"); /* XXX SOS */ - } - bp->bio_resid -= - composite->request[mirror]->donecount; - composite->residual -= - composite->request[mirror]->donecount; - } - else { - bp->bio_resid -= request->donecount; - composite->residual -= request->donecount; - } - if (!composite->residual) - finished = 1; - } - mtx_unlock(&composite->lock); - } - /* no mirror we are done */ - else { - bp->bio_resid -= request->donecount; - if (!bp->bio_resid) - finished = 1; - } - } - } - else - biofinish(bp, NULL, request->result); - break; - - case AR_T_RAID5: - if (request->result) { - rdp->disks[request->this].flags &= ~AR_DF_ONLINE; - ata_raid_config_changed(rdp, 1); - if (rdp->status & AR_S_READY) { - if (bp->bio_cmd == BIO_READ) { - /* do the XOR game to recover data */ - } - if (bp->bio_cmd == BIO_WRITE) { - /* if the parity failed we're OK sortof */ - /* otherwise wee need to do the XOR long dance */ - } - finished = 1; - } - else - biofinish(bp, NULL, request->result); - } - else { - // did we have an XOR game going ?? - bp->bio_resid -= request->donecount; - if (!bp->bio_resid) - finished = 1; - } - break; - - default: - printf("ar%d: unknown array type in ata_raid_done\n", rdp->lun); - } - - if (finished) { - if ((rdp->status & AR_S_REBUILDING) && - rdp->rebuild_lba >= rdp->total_sectors) { - int disk; - - for (disk = 0; disk < rdp->total_disks; disk++) { - if ((rdp->disks[disk].flags & - (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) == - (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) { - rdp->disks[disk].flags &= ~AR_DF_SPARE; - rdp->disks[disk].flags |= AR_DF_ONLINE; - } - } - rdp->status &= ~AR_S_REBUILDING; - ata_raid_config_changed(rdp, 1); - } - if (!bp->bio_resid) - biodone(bp); - } - - if (composite) { - if (finished) { - /* we are done with this composite, free all resources */ - for (i = 0; i < 32; i++) { - if (composite->rd_needed & (1 << i) || - composite->wr_needed & (1 << i)) { - ata_free_request(composite->request[i]); - } - } - mtx_destroy(&composite->lock); - ata_free_composite(composite); - } - } - else - ata_free_request(request); -} - -static int -ata_raid_dump(void *arg, void *virtual, vm_offset_t physical, - off_t offset, size_t length) -{ - struct disk *dp = arg; - struct ar_softc *rdp = dp->d_drv1; - struct bio bp; - - /* length zero is special and really means flush buffers to media */ - if (!length) { - int disk, error; - - for (disk = 0, error = 0; disk < rdp->total_disks; disk++) - if (rdp->disks[disk].dev) - error |= ata_controlcmd(rdp->disks[disk].dev, - ATA_FLUSHCACHE, 0, 0, 0); - return (error ? EIO : 0); - } - - bzero(&bp, sizeof(struct bio)); - bp.bio_disk = dp; - bp.bio_pblkno = offset / DEV_BSIZE; - bp.bio_bcount = length; - bp.bio_data = virtual; - bp.bio_cmd = BIO_WRITE; - ata_raid_strategy(&bp); - return bp.bio_error; -} - -static void -ata_raid_config_changed(struct ar_softc *rdp, int writeback) -{ - int disk, count, status; - - mtx_lock(&rdp->lock); - - /* set default all working mode */ - status = rdp->status; - rdp->status &= ~AR_S_DEGRADED; - rdp->status |= AR_S_READY; - - /* make sure all lost drives are accounted for */ - for (disk = 0; disk < rdp->total_disks; disk++) { - if (!(rdp->disks[disk].flags & AR_DF_PRESENT)) - rdp->disks[disk].flags &= ~AR_DF_ONLINE; - } - - /* depending on RAID type figure out our health status */ - switch (rdp->type) { - case AR_T_JBOD: - case AR_T_SPAN: - case AR_T_RAID0: - for (disk = 0; disk < rdp->total_disks; disk++) - if (!(rdp->disks[disk].flags & AR_DF_ONLINE)) - rdp->status &= ~AR_S_READY; - break; - - case AR_T_RAID1: - case AR_T_RAID01: - for (disk = 0; disk < rdp->width; disk++) { - if (!(rdp->disks[disk].flags & AR_DF_ONLINE) && - !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) { - rdp->status &= ~AR_S_READY; - } - else if (((rdp->disks[disk].flags & AR_DF_ONLINE) && - !(rdp->disks[disk + rdp->width].flags & AR_DF_ONLINE)) || - (!(rdp->disks[disk].flags & AR_DF_ONLINE) && - (rdp->disks [disk + rdp->width].flags & AR_DF_ONLINE))) { - rdp->status |= AR_S_DEGRADED; - } - } - break; - - case AR_T_RAID5: - for (count = 0, disk = 0; disk < rdp->total_disks; disk++) { - if (!(rdp->disks[disk].flags & AR_DF_ONLINE)) - count++; - } - if (count) { - if (count > 1) - rdp->status &= ~AR_S_READY; - else - rdp->status |= AR_S_DEGRADED; - } - break; - default: - rdp->status &= ~AR_S_READY; - } - - if (rdp->status != status) { - - /* raid status has changed, update metadata */ - writeback = 1; - - /* announce we have trouble ahead */ - if (!(rdp->status & AR_S_READY)) { - printf("ar%d: FAILURE - %s array broken\n", - rdp->lun, ata_raid_type(rdp)); - } - else if (rdp->status & AR_S_DEGRADED) { - if (rdp->type & (AR_T_RAID1 | AR_T_RAID01)) - printf("ar%d: WARNING - mirror", rdp->lun); - else - printf("ar%d: WARNING - parity", rdp->lun); - printf(" protection lost. %s array in DEGRADED mode\n", - ata_raid_type(rdp)); - } - } - mtx_unlock(&rdp->lock); - if (writeback) - ata_raid_write_metadata(rdp); - -} - -static int -ata_raid_status(struct ata_ioc_raid_status *status) -{ - struct ar_softc *rdp; - int i; - - if (!(rdp = ata_raid_arrays[status->lun])) - return ENXIO; - - status->type = rdp->type; - status->total_disks = rdp->total_disks; - for (i = 0; i < rdp->total_disks; i++ ) { - status->disks[i].state = 0; - if ((rdp->disks[i].flags & AR_DF_PRESENT) && rdp->disks[i].dev) { - status->disks[i].lun = device_get_unit(rdp->disks[i].dev); - if (rdp->disks[i].flags & AR_DF_PRESENT) - status->disks[i].state |= AR_DISK_PRESENT; - if (rdp->disks[i].flags & AR_DF_ONLINE) - status->disks[i].state |= AR_DISK_ONLINE; - if (rdp->disks[i].flags & AR_DF_SPARE) - status->disks[i].state |= AR_DISK_SPARE; - } else - status->disks[i].lun = -1; - } - status->interleave = rdp->interleave; - status->status = rdp->status; - status->progress = 100 * rdp->rebuild_lba / rdp->total_sectors; - return 0; -} - -static int -ata_raid_create(struct ata_ioc_raid_config *config) -{ - struct ar_softc *rdp; - device_t subdisk; - int array, disk; - int ctlr = 0, disk_size = 0, total_disks = 0; - - for (array = 0; array < MAX_ARRAYS; array++) { - if (!ata_raid_arrays[array]) - break; - } - if (array >= MAX_ARRAYS) - return ENOSPC; - - if (!(rdp = (struct ar_softc*)malloc(sizeof(struct ar_softc), M_AR, - M_NOWAIT | M_ZERO))) { - printf("ar%d: no memory for metadata storage\n", array); - return ENOMEM; - } - - for (disk = 0; disk < config->total_disks; disk++) { - if ((subdisk = devclass_get_device(ata_raid_sub_devclass, - config->disks[disk]))) { - struct ata_raid_subdisk *ars = device_get_softc(subdisk); - - /* is device already assigned to another array ? */ - if (ars->raid[rdp->volume]) { - config->disks[disk] = -1; - free(rdp, M_AR); - return EBUSY; - } - rdp->disks[disk].dev = device_get_parent(subdisk); - - switch (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev))) { - case ATA_HIGHPOINT_ID: - /* - * we need some way to decide if it should be v2 or v3 - * for now just use v2 since the v3 BIOS knows how to - * handle that as well. - */ - ctlr = AR_F_HPTV2_RAID; - rdp->disks[disk].sectors = HPTV3_LBA(rdp->disks[disk].dev); - break; - - case ATA_INTEL_ID: - ctlr = AR_F_INTEL_RAID; - rdp->disks[disk].sectors = INTEL_LBA(rdp->disks[disk].dev); - break; - - case ATA_ITE_ID: - ctlr = AR_F_ITE_RAID; - rdp->disks[disk].sectors = ITE_LBA(rdp->disks[disk].dev); - break; - - case ATA_JMICRON_ID: - ctlr = AR_F_JMICRON_RAID; - rdp->disks[disk].sectors = JMICRON_LBA(rdp->disks[disk].dev); - break; - - case 0: /* XXX SOS cover up for bug in our PCI code */ - case ATA_PROMISE_ID: - ctlr = AR_F_PROMISE_RAID; - rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev); - break; - - case ATA_SIS_ID: - ctlr = AR_F_SIS_RAID; - rdp->disks[disk].sectors = SIS_LBA(rdp->disks[disk].dev); - break; - - case ATA_ATI_ID: - case ATA_VIA_ID: - ctlr = AR_F_VIA_RAID; - rdp->disks[disk].sectors = VIA_LBA(rdp->disks[disk].dev); - break; - - default: - /* XXX SOS - * right, so here we are, we have an ATA chip and we want - * to create a RAID and store the metadata. - * we need to find a way to tell what kind of metadata this - * hardware's BIOS might be using (good ideas are welcomed) - * for now we just use our own native FreeBSD format. - * the only way to get support for the BIOS format is to - * setup the RAID from there, in that case we pickup the - * metadata format from the disks (if we support it). - */ - printf("WARNING!! - not able to determine metadata format\n" - "WARNING!! - Using FreeBSD PseudoRAID metadata\n" - "If that is not what you want, use the BIOS to " - "create the array\n"); - ctlr = AR_F_FREEBSD_RAID; - rdp->disks[disk].sectors = PROMISE_LBA(rdp->disks[disk].dev); - break; - } - - /* we need all disks to be of the same format */ - if ((rdp->format & AR_F_FORMAT_MASK) && - (rdp->format & AR_F_FORMAT_MASK) != (ctlr & AR_F_FORMAT_MASK)) { - free(rdp, M_AR); - return EXDEV; - } - else - rdp->format = ctlr; - - /* use the smallest disk of the lots size */ - /* gigabyte boundry ??? XXX SOS */ - if (disk_size) - disk_size = min(rdp->disks[disk].sectors, disk_size); - else - disk_size = rdp->disks[disk].sectors; - rdp->disks[disk].flags = - (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); - - total_disks++; - } - else { - config->disks[disk] = -1; - free(rdp, M_AR); - return ENXIO; - } - } - - if (total_disks != config->total_disks) { - free(rdp, M_AR); - return ENODEV; - } - - switch (config->type) { - case AR_T_JBOD: - case AR_T_SPAN: - case AR_T_RAID0: - break; - - case AR_T_RAID1: - if (total_disks != 2) { - free(rdp, M_AR); - return EPERM; - } - break; - - case AR_T_RAID01: - if (total_disks % 2 != 0) { - free(rdp, M_AR); - return EPERM; - } - break; - - case AR_T_RAID5: - if (total_disks < 3) { - free(rdp, M_AR); - return EPERM; - } - break; - - default: - free(rdp, M_AR); - return EOPNOTSUPP; - } - rdp->type = config->type; - rdp->lun = array; - if (rdp->type == AR_T_RAID0 || rdp->type == AR_T_RAID01 || - rdp->type == AR_T_RAID5) { - int bit = 0; - - while (config->interleave >>= 1) - bit++; - rdp->interleave = 1 << bit; - } - rdp->offset_sectors = 0; - - /* values that depend on metadata format */ - switch (rdp->format) { - case AR_F_ADAPTEC_RAID: - rdp->interleave = min(max(32, rdp->interleave), 128); /*+*/ - break; - - case AR_F_HPTV2_RAID: - rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/ - rdp->offset_sectors = HPTV2_LBA(x) + 1; - break; - - case AR_F_HPTV3_RAID: - rdp->interleave = min(max(32, rdp->interleave), 4096); /*+*/ - break; - - case AR_F_INTEL_RAID: - rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ - break; - - case AR_F_ITE_RAID: - rdp->interleave = min(max(2, rdp->interleave), 128); /*+*/ - break; - - case AR_F_JMICRON_RAID: - rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ - break; - - case AR_F_LSIV2_RAID: - rdp->interleave = min(max(2, rdp->interleave), 4096); - break; - - case AR_F_LSIV3_RAID: - rdp->interleave = min(max(2, rdp->interleave), 256); - break; - - case AR_F_PROMISE_RAID: - rdp->interleave = min(max(2, rdp->interleave), 2048); /*+*/ - break; - - case AR_F_SII_RAID: - rdp->interleave = min(max(8, rdp->interleave), 256); /*+*/ - break; - - case AR_F_SIS_RAID: - rdp->interleave = min(max(32, rdp->interleave), 512); /*+*/ - break; - - case AR_F_VIA_RAID: - rdp->interleave = min(max(8, rdp->interleave), 128); /*+*/ - break; - } - - rdp->total_disks = total_disks; - rdp->width = total_disks / (rdp->type & (AR_RAID1 | AR_T_RAID01) ? 2 : 1); - rdp->total_sectors = disk_size * (rdp->width - (rdp->type == AR_RAID5)); - rdp->heads = 255; - rdp->sectors = 63; - rdp->cylinders = rdp->total_sectors / (255 * 63); - rdp->rebuild_lba = 0; - rdp->status |= AR_S_READY; - - /* we are committed to this array, grap the subdisks */ - for (disk = 0; disk < config->total_disks; disk++) { - if ((subdisk = devclass_get_device(ata_raid_sub_devclass, - config->disks[disk]))) { - struct ata_raid_subdisk *ars = device_get_softc(subdisk); - - ars->raid[rdp->volume] = rdp; - ars->disk_number[rdp->volume] = disk; - } - } - ata_raid_attach(rdp, 1); - ata_raid_arrays[array] = rdp; - config->lun = array; - return 0; -} - -static int -ata_raid_delete(int array) -{ - struct ar_softc *rdp; - device_t subdisk; - int disk; - - if (!(rdp = ata_raid_arrays[array])) - return ENXIO; - - rdp->status &= ~AR_S_READY; - if (rdp->disk) - disk_destroy(rdp->disk); - - for (disk = 0; disk < rdp->total_disks; disk++) { - if ((rdp->disks[disk].flags & AR_DF_PRESENT) && rdp->disks[disk].dev) { - if ((subdisk = devclass_get_device(ata_raid_sub_devclass, - device_get_unit(rdp->disks[disk].dev)))) { - struct ata_raid_subdisk *ars = device_get_softc(subdisk); - - if (ars->raid[rdp->volume] != rdp) /* XXX SOS */ - device_printf(subdisk, "DOH! this disk doesn't belong\n"); - if (ars->disk_number[rdp->volume] != disk) /* XXX SOS */ - device_printf(subdisk, "DOH! this disk number is wrong\n"); - ars->raid[rdp->volume] = NULL; - ars->disk_number[rdp->volume] = -1; - } - rdp->disks[disk].flags = 0; - } - } - ata_raid_wipe_metadata(rdp); - ata_raid_arrays[array] = NULL; - free(rdp, M_AR); - return 0; -} - -static int -ata_raid_addspare(struct ata_ioc_raid_config *config) -{ - struct ar_softc *rdp; - device_t subdisk; - int disk; - - if (!(rdp = ata_raid_arrays[config->lun])) - return ENXIO; - if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY)) - return ENXIO; - if (rdp->status & AR_S_REBUILDING) - return EBUSY; - switch (rdp->type) { - case AR_T_RAID1: - case AR_T_RAID01: - case AR_T_RAID5: - for (disk = 0; disk < rdp->total_disks; disk++ ) { - - if (((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == - (AR_DF_PRESENT | AR_DF_ONLINE)) && rdp->disks[disk].dev) - continue; - - if ((subdisk = devclass_get_device(ata_raid_sub_devclass, - config->disks[0] ))) { - struct ata_raid_subdisk *ars = device_get_softc(subdisk); - - if (ars->raid[rdp->volume]) - return EBUSY; - - /* XXX SOS validate size etc etc */ - ars->raid[rdp->volume] = rdp; - ars->disk_number[rdp->volume] = disk; - rdp->disks[disk].dev = device_get_parent(subdisk); - rdp->disks[disk].flags = - (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE); - - device_printf(rdp->disks[disk].dev, - "inserted into ar%d disk%d as spare\n", - rdp->lun, disk); - ata_raid_config_changed(rdp, 1); - return 0; - } - } - return ENXIO; - - default: - return EPERM; - } -} - -static int -ata_raid_rebuild(int array) -{ - struct ar_softc *rdp; - int disk, count; - - if (!(rdp = ata_raid_arrays[array])) - return ENXIO; - /* XXX SOS we should lock the rdp softc here */ - if (!(rdp->status & AR_S_DEGRADED) || !(rdp->status & AR_S_READY)) - return ENXIO; - if (rdp->status & AR_S_REBUILDING) - return EBUSY; - - switch (rdp->type) { - case AR_T_RAID1: - case AR_T_RAID01: - case AR_T_RAID5: - for (count = 0, disk = 0; disk < rdp->total_disks; disk++ ) { - if (((rdp->disks[disk].flags & - (AR_DF_PRESENT|AR_DF_ASSIGNED|AR_DF_ONLINE|AR_DF_SPARE)) == - (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_SPARE)) && - rdp->disks[disk].dev) { - count++; - } - } - - if (count) { - rdp->rebuild_lba = 0; - rdp->status |= AR_S_REBUILDING; - return 0; - } - return EIO; - - default: - return EPERM; - } -} - -static int -ata_raid_read_metadata(device_t subdisk) -{ - devclass_t pci_devclass = devclass_find("pci"); - devclass_t atapci_devclass = devclass_find("atapci"); - devclass_t devclass=device_get_devclass(GRANDPARENT(GRANDPARENT(subdisk))); - - /* prioritize vendor native metadata layout if possible */ - if (devclass == pci_devclass || devclass == atapci_devclass) { - switch (pci_get_vendor(GRANDPARENT(device_get_parent(subdisk)))) { - case ATA_HIGHPOINT_ID: - if (ata_raid_hptv3_read_meta(subdisk, ata_raid_arrays)) - return 0; - if (ata_raid_hptv2_read_meta(subdisk, ata_raid_arrays)) - return 0; - break; - - case ATA_INTEL_ID: - if (ata_raid_intel_read_meta(subdisk, ata_raid_arrays)) - return 0; - break; - - case ATA_ITE_ID: - if (ata_raid_ite_read_meta(subdisk, ata_raid_arrays)) - return 0; - break; - - case ATA_JMICRON_ID: - if (ata_raid_jmicron_read_meta(subdisk, ata_raid_arrays)) - return 0; - break; - - case ATA_NVIDIA_ID: - if (ata_raid_nvidia_read_meta(subdisk, ata_raid_arrays)) - return 0; - break; - - case 0: /* XXX SOS cover up for bug in our PCI code */ - case ATA_PROMISE_ID: - if (ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 0)) - return 0; - break; - - case ATA_ATI_ID: - case ATA_SILICON_IMAGE_ID: - if (ata_raid_sii_read_meta(subdisk, ata_raid_arrays)) - return 0; - break; - - case ATA_SIS_ID: - if (ata_raid_sis_read_meta(subdisk, ata_raid_arrays)) - return 0; - break; - - case ATA_VIA_ID: - if (ata_raid_via_read_meta(subdisk, ata_raid_arrays)) - return 0; - break; - } - } - - /* handle controllers that have multiple layout possibilities */ - /* NOTE: the order of these are not insignificant */ - - /* Adaptec HostRAID */ - if (ata_raid_adaptec_read_meta(subdisk, ata_raid_arrays)) - return 0; - - /* LSILogic v3 and v2 */ - if (ata_raid_lsiv3_read_meta(subdisk, ata_raid_arrays)) - return 0; - if (ata_raid_lsiv2_read_meta(subdisk, ata_raid_arrays)) - return 0; - - /* DDF (used by Adaptec, maybe others) */ - if (ata_raid_ddf_read_meta(subdisk, ata_raid_arrays)) - return 0; - - /* if none of the above matched, try FreeBSD native format */ - return ata_raid_promise_read_meta(subdisk, ata_raid_arrays, 1); -} - -static int -ata_raid_write_metadata(struct ar_softc *rdp) -{ - switch (rdp->format) { - case AR_F_FREEBSD_RAID: - case AR_F_PROMISE_RAID: - return ata_raid_promise_write_meta(rdp); - - case AR_F_HPTV3_RAID: - case AR_F_HPTV2_RAID: - /* - * always write HPT v2 metadata, the v3 BIOS knows it as well. - * this is handy since we cannot know what version BIOS is on there - */ - return ata_raid_hptv2_write_meta(rdp); - - case AR_F_INTEL_RAID: - return ata_raid_intel_write_meta(rdp); - - case AR_F_JMICRON_RAID: - return ata_raid_jmicron_write_meta(rdp); - - case AR_F_SIS_RAID: - return ata_raid_sis_write_meta(rdp); - - case AR_F_VIA_RAID: - return ata_raid_via_write_meta(rdp); -#if 0 - case AR_F_HPTV3_RAID: - return ata_raid_hptv3_write_meta(rdp); - - case AR_F_ADAPTEC_RAID: - return ata_raid_adaptec_write_meta(rdp); - - case AR_F_ITE_RAID: - return ata_raid_ite_write_meta(rdp); - - case AR_F_LSIV2_RAID: - return ata_raid_lsiv2_write_meta(rdp); - - case AR_F_LSIV3_RAID: - return ata_raid_lsiv3_write_meta(rdp); - - case AR_F_NVIDIA_RAID: - return ata_raid_nvidia_write_meta(rdp); - - case AR_F_SII_RAID: - return ata_raid_sii_write_meta(rdp); - -#endif - default: - printf("ar%d: writing of %s metadata is NOT supported yet\n", - rdp->lun, ata_raid_format(rdp)); - } - return -1; -} - -static int -ata_raid_wipe_metadata(struct ar_softc *rdp) -{ - int disk, error = 0; - u_int64_t lba; - u_int32_t size; - u_int8_t *meta; - - for (disk = 0; disk < rdp->total_disks; disk++) { - if (rdp->disks[disk].dev) { - switch (rdp->format) { - case AR_F_ADAPTEC_RAID: - lba = ADP_LBA(rdp->disks[disk].dev); - size = sizeof(struct adaptec_raid_conf); - break; - - case AR_F_HPTV2_RAID: - lba = HPTV2_LBA(rdp->disks[disk].dev); - size = sizeof(struct hptv2_raid_conf); - break; - - case AR_F_HPTV3_RAID: - lba = HPTV3_LBA(rdp->disks[disk].dev); - size = sizeof(struct hptv3_raid_conf); - break; - - case AR_F_INTEL_RAID: - lba = INTEL_LBA(rdp->disks[disk].dev); - size = 3 * 512; /* XXX SOS */ - break; - - case AR_F_ITE_RAID: - lba = ITE_LBA(rdp->disks[disk].dev); - size = sizeof(struct ite_raid_conf); - break; - - case AR_F_JMICRON_RAID: - lba = JMICRON_LBA(rdp->disks[disk].dev); - size = sizeof(struct jmicron_raid_conf); - break; - - case AR_F_LSIV2_RAID: - lba = LSIV2_LBA(rdp->disks[disk].dev); - size = sizeof(struct lsiv2_raid_conf); - break; - - case AR_F_LSIV3_RAID: - lba = LSIV3_LBA(rdp->disks[disk].dev); - size = sizeof(struct lsiv3_raid_conf); - break; - - case AR_F_NVIDIA_RAID: - lba = NVIDIA_LBA(rdp->disks[disk].dev); - size = sizeof(struct nvidia_raid_conf); - break; - - case AR_F_FREEBSD_RAID: - case AR_F_PROMISE_RAID: - lba = PROMISE_LBA(rdp->disks[disk].dev); - size = sizeof(struct promise_raid_conf); - break; - - case AR_F_SII_RAID: - lba = SII_LBA(rdp->disks[disk].dev); - size = sizeof(struct sii_raid_conf); - break; - - case AR_F_SIS_RAID: - lba = SIS_LBA(rdp->disks[disk].dev); - size = sizeof(struct sis_raid_conf); - break; - - case AR_F_VIA_RAID: - lba = VIA_LBA(rdp->disks[disk].dev); - size = sizeof(struct via_raid_conf); - break; - - default: - printf("ar%d: wiping of %s metadata is NOT supported yet\n", - rdp->lun, ata_raid_format(rdp)); - return ENXIO; - } - if (!(meta = malloc(size, M_AR, M_NOWAIT | M_ZERO))) - return ENOMEM; - if (ata_raid_rw(rdp->disks[disk].dev, lba, meta, size, - ATA_R_WRITE | ATA_R_DIRECT)) { - device_printf(rdp->disks[disk].dev, "wipe metadata failed\n"); - error = EIO; - } - free(meta, M_AR); - } - } - return error; -} - -/* Adaptec HostRAID Metadata */ -static int -ata_raid_adaptec_read_meta(device_t dev, struct ar_softc **raidp) -{ - struct ata_raid_subdisk *ars = device_get_softc(dev); - device_t parent = device_get_parent(dev); - struct adaptec_raid_conf *meta; - struct ar_softc *raid; - int array, disk, retval = 0; - - if (!(meta = (struct adaptec_raid_conf *) - malloc(sizeof(struct adaptec_raid_conf), M_AR, M_NOWAIT | M_ZERO))) - return ENOMEM; - - if (ata_raid_rw(parent, ADP_LBA(parent), - meta, sizeof(struct adaptec_raid_conf), ATA_R_READ)) { - if (testing || bootverbose) - device_printf(parent, "Adaptec read metadata failed\n"); - goto adaptec_out; - } - - /* check if this is a Adaptec RAID struct */ - if (meta->magic_0 != ADP_MAGIC_0 || meta->magic_3 != ADP_MAGIC_3) { - if (testing || bootverbose) - device_printf(parent, "Adaptec check1 failed\n"); - goto adaptec_out; - } - - if (testing || bootverbose) - ata_raid_adaptec_print_meta(meta); - - /* now convert Adaptec metadata into our generic form */ - for (array = 0; array < MAX_ARRAYS; array++) { - if (!raidp[array]) { - raidp[array] = - (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR, - M_NOWAIT | M_ZERO); - if (!raidp[array]) { - device_printf(parent, "failed to allocate metadata storage\n"); - goto adaptec_out; - } - } - raid = raidp[array]; - if (raid->format && (raid->format != AR_F_ADAPTEC_RAID)) - continue; - - if (raid->magic_0 && raid->magic_0 != meta->configs[0].magic_0) - continue; - - if (!meta->generation || be32toh(meta->generation) > raid->generation) { - switch (meta->configs[0].type) { - case ADP_T_RAID0: - raid->magic_0 = meta->configs[0].magic_0; - raid->type = AR_T_RAID0; - raid->interleave = 1 << (meta->configs[0].stripe_shift >> 1); - raid->width = be16toh(meta->configs[0].total_disks); - break; - - case ADP_T_RAID1: - raid->magic_0 = meta->configs[0].magic_0; - raid->type = AR_T_RAID1; - raid->width = be16toh(meta->configs[0].total_disks) / 2; - break; - - default: - device_printf(parent, "Adaptec unknown RAID type 0x%02x\n", - meta->configs[0].type); - free(raidp[array], M_AR); - raidp[array] = NULL; - goto adaptec_out; - } - - raid->format = AR_F_ADAPTEC_RAID; - raid->generation = be32toh(meta->generation); - raid->total_disks = be16toh(meta->configs[0].total_disks); - raid->total_sectors = be32toh(meta->configs[0].sectors); - raid->heads = 255; - raid->sectors = 63; - raid->cylinders = raid->total_sectors / (63 * 255); - raid->offset_sectors = 0; - raid->rebuild_lba = 0; - raid->lun = array; - strncpy(raid->name, meta->configs[0].name, - min(sizeof(raid->name), sizeof(meta->configs[0].name))); - - /* clear out any old info */ - if (raid->generation) { - for (disk = 0; disk < raid->total_disks; disk++) { - raid->disks[disk].dev = NULL; - raid->disks[disk].flags = 0; - } - } - } - if (be32toh(meta->generation) >= raid->generation) { - struct ata_device *atadev = device_get_softc(parent); - struct ata_channel *ch = device_get_softc(GRANDPARENT(dev)); - int disk_number = - (ch->unit << !(ch->flags & ATA_NO_SLAVE)) + atadev->unit; - raid->disks[disk_number].dev = parent; - raid->disks[disk_number].sectors = - be32toh(meta->configs[disk_number + 1].sectors); - raid->disks[disk_number].flags = - (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); - ars->raid[raid->volume] = raid; - ars->disk_number[raid->volume] = disk_number; - retval = 1; - } - break; - } - -adaptec_out: - free(meta, M_AR); - return retval; -} - -static uint64_t -ddfbe64toh(uint64_t val) -{ - return (be64toh(val)); -} - -static uint32_t -ddfbe32toh(uint32_t val) -{ - return (be32toh(val)); -} - -static uint16_t -ddfbe16toh(uint16_t val) -{ - return (be16toh(val)); -} - -static uint64_t -ddfle64toh(uint64_t val) -{ - return (le64toh(val)); -} - -static uint32_t -ddfle32toh(uint32_t val) -{ - return (le32toh(val)); -} - -static uint16_t -ddfle16toh(uint16_t val) -{ - return (le16toh(val)); -} - -static int -ata_raid_ddf_read_meta(device_t dev, struct ar_softc **raidp) -{ - struct ata_raid_subdisk *ars; - device_t parent = device_get_parent(dev); - struct ddf_header *hdr; - struct ddf_pd_record *pdr; - struct ddf_pd_entry *pde = NULL; - struct ddf_vd_record *vdr; - struct ddf_pdd_record *pdd; - struct ddf_sa_record *sa = NULL; - struct ddf_vdc_record *vdcr = NULL; - struct ddf_vd_entry *vde = NULL; - struct ar_softc *raid; - uint64_t pri_lba; - uint32_t pd_ref, pd_pos; - uint8_t *meta, *cr; - int hdr_len, vd_state = 0, pd_state = 0; - int i, disk, array, retval = 0; - uintptr_t max_cr_addr; - uint64_t (*ddf64toh)(uint64_t) = NULL; - uint32_t (*ddf32toh)(uint32_t) = NULL; - uint16_t (*ddf16toh)(uint16_t) = NULL; - - ars = device_get_softc(dev); - raid = NULL; - - /* Read in the anchor header */ - if (!(meta = malloc(DDF_HEADER_LENGTH, M_AR, M_NOWAIT | M_ZERO))) - return ENOMEM; - - if (ata_raid_rw(parent, DDF_LBA(parent), - meta, DDF_HEADER_LENGTH, ATA_R_READ)) { - if (testing || bootverbose) - device_printf(parent, "DDF read metadata failed\n"); - goto ddf_out; - } - - /* - * Check if this is a DDF RAID struct. Note the apparent "flexibility" - * regarding endianness. - */ - hdr = (struct ddf_header *)meta; - if (be32toh(hdr->Signature) == DDF_HEADER_SIGNATURE) { - ddf64toh = ddfbe64toh; - ddf32toh = ddfbe32toh; - ddf16toh = ddfbe16toh; - } else if (le32toh(hdr->Signature) == DDF_HEADER_SIGNATURE) { - ddf64toh = ddfle64toh; - ddf32toh = ddfle32toh; - ddf16toh = ddfle16toh; - } else - goto ddf_out; - - if (hdr->Header_Type != DDF_HEADER_ANCHOR) { - if (testing || bootverbose) - device_printf(parent, "DDF check1 failed\n"); - goto ddf_out; - } - - pri_lba = ddf64toh(hdr->Primary_Header_LBA); - hdr_len = ddf32toh(hdr->cd_section) + ddf32toh(hdr->cd_length); - hdr_len = max(hdr_len,ddf32toh(hdr->pdr_section)+ddf32toh(hdr->pdr_length)); - hdr_len = max(hdr_len,ddf32toh(hdr->vdr_section)+ddf32toh(hdr->vdr_length)); - hdr_len = max(hdr_len,ddf32toh(hdr->cr_section) +ddf32toh(hdr->cr_length)); - hdr_len = max(hdr_len,ddf32toh(hdr->pdd_section)+ddf32toh(hdr->pdd_length)); - if (testing || bootverbose) - device_printf(parent, "DDF pri_lba= %llu length= %d blocks\n", - (unsigned long long)pri_lba, hdr_len); - if ((pri_lba + hdr_len) > DDF_LBA(parent)) { - device_printf(parent, "DDF exceeds length of disk\n"); - goto ddf_out; - } - - /* Don't need the anchor anymore, read the rest of the metadata */ - free(meta, M_AR); - if (!(meta = malloc(hdr_len * DEV_BSIZE, M_AR, M_NOWAIT | M_ZERO))) - return ENOMEM; - - if (ata_raid_rw(parent, pri_lba, meta, hdr_len * DEV_BSIZE, ATA_R_READ)) { - if (testing || bootverbose) - device_printf(parent, "DDF read full metadata failed\n"); - goto ddf_out; - } - - /* Check that we got a Primary Header */ - hdr = (struct ddf_header *)meta; - if ((ddf32toh(hdr->Signature) != DDF_HEADER_SIGNATURE) || - (hdr->Header_Type != DDF_HEADER_PRIMARY)) { - if (testing || bootverbose) - device_printf(parent, "DDF check2 failed\n"); - goto ddf_out; - } - - if (testing || bootverbose) - ata_raid_ddf_print_meta(meta); - - if ((hdr->Open_Flag >= 0x01) && (hdr->Open_Flag <= 0x0f)) { - device_printf(parent, "DDF Header open, possibly corrupt metadata\n"); - goto ddf_out; - } - - pdr = (struct ddf_pd_record*)(meta + ddf32toh(hdr->pdr_section)*DEV_BSIZE); - vdr = (struct ddf_vd_record*)(meta + ddf32toh(hdr->vdr_section)*DEV_BSIZE); - cr = (uint8_t *)(meta + ddf32toh(hdr->cr_section)*DEV_BSIZE); - pdd = (struct ddf_pdd_record*)(meta + ddf32toh(hdr->pdd_section)*DEV_BSIZE); - - /* Verify the Physical Disk Device Record */ - if (ddf32toh(pdd->Signature) != DDF_PDD_SIGNATURE) { - device_printf(parent, "Invalid PD Signature\n"); - goto ddf_out; - } - pd_ref = ddf32toh(pdd->PD_Reference); - pd_pos = -1; - - /* Verify the Physical Disk Record and make sure the disk is usable */ - if (ddf32toh(pdr->Signature) != DDF_PDR_SIGNATURE) { - device_printf(parent, "Invalid PDR Signature\n"); - goto ddf_out; - } - for (i = 0; i < ddf16toh(pdr->Populated_PDEs); i++) { - if (ddf32toh(pdr->entry[i].PD_Reference) != pd_ref) - continue; - pde = &pdr->entry[i]; - pd_state = ddf16toh(pde->PD_State); - } - if ((pde == NULL) || - ((pd_state & DDF_PDE_ONLINE) == 0) || - (pd_state & (DDF_PDE_FAILED|DDF_PDE_MISSING|DDF_PDE_UNRECOVERED))) { - device_printf(parent, "Physical disk not usable\n"); - goto ddf_out; - } - - /* Parse out the configuration record, look for spare and VD records. - * While DDF supports a disk being part of more than one array, and - * thus having more than one VDCR record, that feature is not supported - * by ATA-RAID. Therefore, the first record found takes precedence. - */ - max_cr_addr = (uintptr_t)cr + ddf32toh(hdr->cr_length) * DEV_BSIZE - 1; - for ( ; (uintptr_t)cr < max_cr_addr; - cr += ddf16toh(hdr->Configuration_Record_Length) * DEV_BSIZE) { - switch (ddf32toh(((uint32_t *)cr)[0])) { - case DDF_VDCR_SIGNATURE: - vdcr = (struct ddf_vdc_record *)cr; - goto cr_found; - break; - case DDF_VUCR_SIGNATURE: - /* Don't care about this record */ - break; - case DDF_SA_SIGNATURE: - sa = (struct ddf_sa_record *)cr; - goto cr_found; - break; - case DDF_CR_INVALID: - /* A record was deliberately invalidated */ - break; - default: - device_printf(parent, "Invalid CR signature found\n"); - } - } -cr_found: - if ((vdcr == NULL) /* && (sa == NULL) * Spares not supported yet */) { - device_printf(parent, "No usable configuration record found\n"); - goto ddf_out; - } - - if (vdcr != NULL) { - if (vdcr->Secondary_Element_Count != 1) { - device_printf(parent, "Unsupported multi-level Virtual Disk\n"); - goto ddf_out; - } - - /* Find the Virtual Disk Entry for this array */ - if (ddf32toh(vdr->Signature) != DDF_VD_RECORD_SIGNATURE) { - device_printf(parent, "Invalid VDR Signature\n"); - goto ddf_out; - } - for (i = 0; i < ddf16toh(vdr->Populated_VDEs); i++) { - if (bcmp(vdr->entry[i].VD_GUID, vdcr->VD_GUID, 24)) - continue; - vde = &vdr->entry[i]; - vd_state = vde->VD_State & DDF_VDE_STATE_MASK; - } - if ((vde == NULL) || - ((vd_state != DDF_VDE_OPTIMAL) && (vd_state != DDF_VDE_DEGRADED))) { - device_printf(parent, "Unusable Virtual Disk\n"); - goto ddf_out; - } - for (i = 0; i < ddf16toh(hdr->Max_Primary_Element_Entries); i++) { - uint32_t pd_tmp; - - pd_tmp = ddf32toh(vdcr->Physical_Disk_Sequence[i]); - if ((pd_tmp == 0x00000000) || (pd_tmp == 0xffffffff)) - continue; - if (pd_tmp == pd_ref) { - pd_pos = i; - break; - } - } - if (pd_pos == -1) { - device_printf(parent, "Physical device not part of array\n"); - goto ddf_out; - } - } - - /* now convert DDF metadata into our generic form */ - for (array = 0; array < MAX_ARRAYS; array++) { - if (!raidp[array]) { - raid = (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR, - M_NOWAIT | M_ZERO); - if (!raid) { - device_printf(parent, "failed to allocate metadata storage\n"); - goto ddf_out; - } - } else - raid = raidp[array]; - - if (raid->format && (raid->format != AR_F_DDF_RAID)) - continue; - - if (raid->magic_0 && (raid->magic_0 != crc32(vde->VD_GUID, 24))) - continue; - - if (!raidp[array]) { - raidp[array] = raid; - - switch (vdcr->Primary_RAID_Level) { - case DDF_VDCR_RAID0: - raid->magic_0 = crc32(vde->VD_GUID, 24); - raid->magic_1 = ddf16toh(vde->VD_Number); - raid->type = AR_T_RAID0; - raid->interleave = 1 << vdcr->Stripe_Size; - raid->width = ddf16toh(vdcr->Primary_Element_Count); - break; - - case DDF_VDCR_RAID1: - raid->magic_0 = crc32(vde->VD_GUID, 24); - raid->magic_1 = ddf16toh(vde->VD_Number); - raid->type = AR_T_RAID1; - raid->width = 1; - break; - - default: - device_printf(parent, "DDF unsupported RAID type 0x%02x\n", - vdcr->Primary_RAID_Level); - free(raidp[array], M_AR); - raidp[array] = NULL; - goto ddf_out; - } - - raid->format = AR_F_DDF_RAID; - raid->generation = ddf32toh(vdcr->Sequence_Number); - raid->total_disks = ddf16toh(vdcr->Primary_Element_Count); - raid->total_sectors = ddf64toh(vdcr->VD_Size); - raid->heads = 255; - raid->sectors = 63; - raid->cylinders = raid->total_sectors / (63 * 255); - raid->offset_sectors = 0; - raid->rebuild_lba = 0; - raid->lun = array; - strncpy(raid->name, vde->VD_Name, - min(sizeof(raid->name), sizeof(vde->VD_Name))); - - /* clear out any old info */ - if (raid->generation) { - for (disk = 0; disk < raid->total_disks; disk++) { - raid->disks[disk].dev = NULL; - raid->disks[disk].flags = 0; - } - } - } - if (ddf32toh(vdcr->Sequence_Number) >= raid->generation) { - int disk_number = pd_pos; - - raid->disks[disk_number].dev = parent; - - /* Adaptec appears to not set vdcr->Block_Count, yet again in - * gross violation of the spec. - */ - raid->disks[disk_number].sectors = ddf64toh(vdcr->Block_Count); - if (raid->disks[disk_number].sectors == 0) - raid->disks[disk_number].sectors=ddf64toh(pde->Configured_Size); - raid->disks[disk_number].flags = - (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); - ars->raid[raid->volume] = raid; - ars->disk_number[raid->volume] = disk_number; - retval = 1; - } - break; - } - -ddf_out: - free(meta, M_AR); - return retval; -} - -/* Highpoint V2 RocketRAID Metadata */ -static int -ata_raid_hptv2_read_meta(device_t dev, struct ar_softc **raidp) -{ - struct ata_raid_subdisk *ars = device_get_softc(dev); - device_t parent = device_get_parent(dev); - struct hptv2_raid_conf *meta; - struct ar_softc *raid = NULL; - int array, disk_number = 0, retval = 0; - - if (!(meta = (struct hptv2_raid_conf *) - malloc(sizeof(struct hptv2_raid_conf), M_AR, M_NOWAIT | M_ZERO))) - return ENOMEM; - - if (ata_raid_rw(parent, HPTV2_LBA(parent), - meta, sizeof(struct hptv2_raid_conf), ATA_R_READ)) { - if (testing || bootverbose) - device_printf(parent, "HighPoint (v2) read metadata failed\n"); - goto hptv2_out; - } - - /* check if this is a HighPoint v2 RAID struct */ - if (meta->magic != HPTV2_MAGIC_OK && meta->magic != HPTV2_MAGIC_BAD) { - if (testing || bootverbose) - device_printf(parent, "HighPoint (v2) check1 failed\n"); - goto hptv2_out; - } - - /* is this disk defined, or an old leftover/spare ? */ - if (!meta->magic_0) { - if (testing || bootverbose) - device_printf(parent, "HighPoint (v2) check2 failed\n"); - goto hptv2_out; - } - - if (testing || bootverbose) - ata_raid_hptv2_print_meta(meta); - - /* now convert HighPoint (v2) metadata into our generic form */ - for (array = 0; array < MAX_ARRAYS; array++) { - if (!raidp[array]) { - raidp[array] = - (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR, - M_NOWAIT | M_ZERO); - if (!raidp[array]) { - device_printf(parent, "failed to allocate metadata storage\n"); - goto hptv2_out; - } - } - raid = raidp[array]; - if (raid->format && (raid->format != AR_F_HPTV2_RAID)) - continue; - - switch (meta->type) { - case HPTV2_T_RAID0: - if ((meta->order & (HPTV2_O_RAID0|HPTV2_O_OK)) == - (HPTV2_O_RAID0|HPTV2_O_OK)) - goto highpoint_raid1; - if (meta->order & (HPTV2_O_RAID0 | HPTV2_O_RAID1)) - goto highpoint_raid01; - if (raid->magic_0 && raid->magic_0 != meta->magic_0) - continue; - raid->magic_0 = meta->magic_0; - raid->type = AR_T_RAID0; - raid->interleave = 1 << meta->stripe_shift; - disk_number = meta->disk_number; - if (!(meta->order & HPTV2_O_OK)) - meta->magic = 0; /* mark bad */ - break; - - case HPTV2_T_RAID1: -highpoint_raid1: - if (raid->magic_0 && raid->magic_0 != meta->magic_0) - continue; - raid->magic_0 = meta->magic_0; - raid->type = AR_T_RAID1; - disk_number = (meta->disk_number > 0); - break; - - case HPTV2_T_RAID01_RAID0: -highpoint_raid01: - if (meta->order & HPTV2_O_RAID0) { - if ((raid->magic_0 && raid->magic_0 != meta->magic_0) || - (raid->magic_1 && raid->magic_1 != meta->magic_1)) - continue; - raid->magic_0 = meta->magic_0; - raid->magic_1 = meta->magic_1; - raid->type = AR_T_RAID01; - raid->interleave = 1 << meta->stripe_shift; - disk_number = meta->disk_number; - } - else { - if (raid->magic_1 && raid->magic_1 != meta->magic_1) - continue; - raid->magic_1 = meta->magic_1; - raid->type = AR_T_RAID01; - raid->interleave = 1 << meta->stripe_shift; - disk_number = meta->disk_number + meta->array_width; - if (!(meta->order & HPTV2_O_RAID1)) - meta->magic = 0; /* mark bad */ - } - break; - - case HPTV2_T_SPAN: - if (raid->magic_0 && raid->magic_0 != meta->magic_0) - continue; - raid->magic_0 = meta->magic_0; - raid->type = AR_T_SPAN; - disk_number = meta->disk_number; - break; - - default: - device_printf(parent, "Highpoint (v2) unknown RAID type 0x%02x\n", - meta->type); - free(raidp[array], M_AR); - raidp[array] = NULL; - goto hptv2_out; - } - - raid->format |= AR_F_HPTV2_RAID; - raid->disks[disk_number].dev = parent; - raid->disks[disk_number].flags = (AR_DF_PRESENT | AR_DF_ASSIGNED); - raid->lun = array; - strncpy(raid->name, meta->name_1, - min(sizeof(raid->name), sizeof(meta->name_1))); - if (meta->magic == HPTV2_MAGIC_OK) { - raid->disks[disk_number].flags |= AR_DF_ONLINE; - raid->width = meta->array_width; - raid->total_sectors = meta->total_sectors; - raid->heads = 255; - raid->sectors = 63; - raid->cylinders = raid->total_sectors / (63 * 255); - raid->offset_sectors = HPTV2_LBA(parent) + 1; - raid->rebuild_lba = meta->rebuild_lba; - raid->disks[disk_number].sectors = - raid->total_sectors / raid->width; - } - else - raid->disks[disk_number].flags &= ~AR_DF_ONLINE; - - if ((raid->type & AR_T_RAID0) && (raid->total_disks < raid->width)) - raid->total_disks = raid->width; - if (disk_number >= raid->total_disks) - raid->total_disks = disk_number + 1; - ars->raid[raid->volume] = raid; - ars->disk_number[raid->volume] = disk_number; - retval = 1; - break; - } - -hptv2_out: - free(meta, M_AR); - return retval; -} - -static int -ata_raid_hptv2_write_meta(struct ar_softc *rdp) -{ - struct hptv2_raid_conf *meta; - struct timeval timestamp; - int disk, error = 0; - - if (!(meta = (struct hptv2_raid_conf *) - malloc(sizeof(struct hptv2_raid_conf), M_AR, M_NOWAIT | M_ZERO))) { - printf("ar%d: failed to allocate metadata storage\n", rdp->lun); - return ENOMEM; - } - - microtime(×tamp); - rdp->magic_0 = timestamp.tv_sec + 2; - rdp->magic_1 = timestamp.tv_sec; - - for (disk = 0; disk < rdp->total_disks; disk++) { - if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == - (AR_DF_PRESENT | AR_DF_ONLINE)) - meta->magic = HPTV2_MAGIC_OK; - if (rdp->disks[disk].flags & AR_DF_ASSIGNED) { - meta->magic_0 = rdp->magic_0; - if (strlen(rdp->name)) - strncpy(meta->name_1, rdp->name, sizeof(meta->name_1)); - else - strcpy(meta->name_1, "FreeBSD"); - } - meta->disk_number = disk; - - switch (rdp->type) { - case AR_T_RAID0: - meta->type = HPTV2_T_RAID0; - strcpy(meta->name_2, "RAID 0"); - if (rdp->disks[disk].flags & AR_DF_ONLINE) - meta->order = HPTV2_O_OK; - break; - - case AR_T_RAID1: - meta->type = HPTV2_T_RAID0; - strcpy(meta->name_2, "RAID 1"); - meta->disk_number = (disk < rdp->width) ? disk : disk + 5; - meta->order = HPTV2_O_RAID0 | HPTV2_O_OK; - break; - - case AR_T_RAID01: - meta->type = HPTV2_T_RAID01_RAID0; - strcpy(meta->name_2, "RAID 0+1"); - if (rdp->disks[disk].flags & AR_DF_ONLINE) { - if (disk < rdp->width) { - meta->order = (HPTV2_O_RAID0 | HPTV2_O_RAID1); - meta->magic_0 = rdp->magic_0 - 1; - } - else { - meta->order = HPTV2_O_RAID1; - meta->disk_number -= rdp->width; - } - } - else - meta->magic_0 = rdp->magic_0 - 1; - meta->magic_1 = rdp->magic_1; - break; - - case AR_T_SPAN: - meta->type = HPTV2_T_SPAN; - strcpy(meta->name_2, "SPAN"); - break; - default: - free(meta, M_AR); - return ENODEV; - } - - meta->array_width = rdp->width; - meta->stripe_shift = (rdp->width > 1) ? (ffs(rdp->interleave)-1) : 0; - meta->total_sectors = rdp->total_sectors; - meta->rebuild_lba = rdp->rebuild_lba; - if (testing || bootverbose) - ata_raid_hptv2_print_meta(meta); - if (rdp->disks[disk].dev) { - if (ata_raid_rw(rdp->disks[disk].dev, - HPTV2_LBA(rdp->disks[disk].dev), meta, - sizeof(struct promise_raid_conf), - ATA_R_WRITE | ATA_R_DIRECT)) { - device_printf(rdp->disks[disk].dev, "write metadata failed\n"); - error = EIO; - } - } - } - free(meta, M_AR); - return error; -} - -/* Highpoint V3 RocketRAID Metadata */ -static int -ata_raid_hptv3_read_meta(device_t dev, struct ar_softc **raidp) -{ - struct ata_raid_subdisk *ars = device_get_softc(dev); - device_t parent = device_get_parent(dev); - struct hptv3_raid_conf *meta; - struct ar_softc *raid = NULL; - int array, disk_number, retval = 0; - - if (!(meta = (struct hptv3_raid_conf *) - malloc(sizeof(struct hptv3_raid_conf), M_AR, M_NOWAIT | M_ZERO))) - return ENOMEM; - - if (ata_raid_rw(parent, HPTV3_LBA(parent), - meta, sizeof(struct hptv3_raid_conf), ATA_R_READ)) { - if (testing || bootverbose) - device_printf(parent, "HighPoint (v3) read metadata failed\n"); - goto hptv3_out; - } - - /* check if this is a HighPoint v3 RAID struct */ - if (meta->magic != HPTV3_MAGIC) { - if (testing || bootverbose) - device_printf(parent, "HighPoint (v3) check1 failed\n"); - goto hptv3_out; - } - - /* check if there are any config_entries */ - if (meta->config_entries < 1) { - if (testing || bootverbose) - device_printf(parent, "HighPoint (v3) check2 failed\n"); - goto hptv3_out; - } - - if (testing || bootverbose) - ata_raid_hptv3_print_meta(meta); - - /* now convert HighPoint (v3) metadata into our generic form */ - for (array = 0; array < MAX_ARRAYS; array++) { - if (!raidp[array]) { - raidp[array] = - (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR, - M_NOWAIT | M_ZERO); - if (!raidp[array]) { - device_printf(parent, "failed to allocate metadata storage\n"); - goto hptv3_out; - } - } - raid = raidp[array]; - if (raid->format && (raid->format != AR_F_HPTV3_RAID)) - continue; - - if ((raid->format & AR_F_HPTV3_RAID) && raid->magic_0 != meta->magic_0) - continue; - - switch (meta->configs[0].type) { - case HPTV3_T_RAID0: - raid->type = AR_T_RAID0; - raid->width = meta->configs[0].total_disks; - disk_number = meta->configs[0].disk_number; - break; - - case HPTV3_T_RAID1: - raid->type = AR_T_RAID1; - raid->width = meta->configs[0].total_disks / 2; - disk_number = meta->configs[0].disk_number; - break; - - case HPTV3_T_RAID5: - raid->type = AR_T_RAID5; - raid->width = meta->configs[0].total_disks; - disk_number = meta->configs[0].disk_number; - break; - - case HPTV3_T_SPAN: - raid->type = AR_T_SPAN; - raid->width = meta->configs[0].total_disks; - disk_number = meta->configs[0].disk_number; - break; - - default: - device_printf(parent, "Highpoint (v3) unknown RAID type 0x%02x\n", - meta->configs[0].type); - free(raidp[array], M_AR); - raidp[array] = NULL; - goto hptv3_out; - } - if (meta->config_entries == 2) { - switch (meta->configs[1].type) { - case HPTV3_T_RAID1: - if (raid->type == AR_T_RAID0) { - raid->type = AR_T_RAID01; - disk_number = meta->configs[1].disk_number + - (meta->configs[0].disk_number << 1); - break; - } - default: - device_printf(parent, "Highpoint (v3) unknown level 2 0x%02x\n", - meta->configs[1].type); - free(raidp[array], M_AR); - raidp[array] = NULL; - goto hptv3_out; - } - } - - raid->magic_0 = meta->magic_0; - raid->format = AR_F_HPTV3_RAID; - raid->generation = meta->timestamp; - raid->interleave = 1 << meta->configs[0].stripe_shift; - raid->total_disks = meta->configs[0].total_disks + - meta->configs[1].total_disks; - raid->total_sectors = meta->configs[0].total_sectors + - ((u_int64_t)meta->configs_high[0].total_sectors << 32); - raid->heads = 255; - raid->sectors = 63; - raid->cylinders = raid->total_sectors / (63 * 255); - raid->offset_sectors = 0; - raid->rebuild_lba = meta->configs[0].rebuild_lba + - ((u_int64_t)meta->configs_high[0].rebuild_lba << 32); - raid->lun = array; - strncpy(raid->name, meta->name, - min(sizeof(raid->name), sizeof(meta->name))); - raid->disks[disk_number].sectors = raid->total_sectors / - (raid->type == AR_T_RAID5 ? raid->width - 1 : raid->width); - raid->disks[disk_number].dev = parent; - raid->disks[disk_number].flags = - (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); - ars->raid[raid->volume] = raid; - ars->disk_number[raid->volume] = disk_number; - retval = 1; - break; - } - -hptv3_out: - free(meta, M_AR); - return retval; -} - -/* Intel MatrixRAID Metadata */ -static int -ata_raid_intel_read_meta(device_t dev, struct ar_softc **raidp) -{ - struct ata_raid_subdisk *ars = device_get_softc(dev); - device_t parent = device_get_parent(dev); - struct intel_raid_conf *meta; - struct intel_raid_mapping *map; - struct ar_softc *raid = NULL; - u_int32_t checksum, *ptr; - int array, count, disk, volume = 1, retval = 0; - char *tmp; - - if (!(meta = (struct intel_raid_conf *) - malloc(1536, M_AR, M_NOWAIT | M_ZERO))) - return ENOMEM; - - if (ata_raid_rw(parent, INTEL_LBA(parent), meta, 1024, ATA_R_READ)) { - if (testing || bootverbose) - device_printf(parent, "Intel read metadata failed\n"); - goto intel_out; - } - tmp = (char *)meta; - bcopy(tmp, tmp+1024, 512); - bcopy(tmp+512, tmp, 1024); - bzero(tmp+1024, 512); - - /* check if this is a Intel RAID struct */ - if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) { - if (testing || bootverbose) - device_printf(parent, "Intel check1 failed\n"); - goto intel_out; - } - - for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; - count < (meta->config_size / sizeof(u_int32_t)); count++) { - checksum += *ptr++; - } - checksum -= meta->checksum; - if (checksum != meta->checksum) { - if (testing || bootverbose) - device_printf(parent, "Intel check2 failed\n"); - goto intel_out; - } - - if (testing || bootverbose) - ata_raid_intel_print_meta(meta); - - map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; - - /* now convert Intel metadata into our generic form */ - for (array = 0; array < MAX_ARRAYS; array++) { - if (!raidp[array]) { - raidp[array] = - (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR, - M_NOWAIT | M_ZERO); - if (!raidp[array]) { - device_printf(parent, "failed to allocate metadata storage\n"); - goto intel_out; - } - } - raid = raidp[array]; - if (raid->format && (raid->format != AR_F_INTEL_RAID)) - continue; - - if ((raid->format & AR_F_INTEL_RAID) && - (raid->magic_0 != meta->config_id)) - continue; - - /* - * update our knowledge about the array config based on generation - * NOTE: there can be multiple volumes on a disk set - */ - if (!meta->generation || meta->generation > raid->generation) { - switch (map->type) { - case INTEL_T_RAID0: - raid->type = AR_T_RAID0; - raid->width = map->total_disks; - break; - - case INTEL_T_RAID1: - if (map->total_disks == 4) - raid->type = AR_T_RAID01; - else - raid->type = AR_T_RAID1; - raid->width = map->total_disks / 2; - break; - - case INTEL_T_RAID5: - raid->type = AR_T_RAID5; - raid->width = map->total_disks; - break; - - default: - device_printf(parent, "Intel unknown RAID type 0x%02x\n", - map->type); - free(raidp[array], M_AR); - raidp[array] = NULL; - goto intel_out; - } - - switch (map->status) { - case INTEL_S_READY: - raid->status = AR_S_READY; - break; - case INTEL_S_DEGRADED: - raid->status |= AR_S_DEGRADED; - break; - case INTEL_S_DISABLED: - case INTEL_S_FAILURE: - raid->status = 0; - } - - raid->magic_0 = meta->config_id; - raid->format = AR_F_INTEL_RAID; - raid->generation = meta->generation; - raid->interleave = map->stripe_sectors; - raid->total_disks = map->total_disks; - raid->total_sectors = map->total_sectors; - raid->heads = 255; - raid->sectors = 63; - raid->cylinders = raid->total_sectors / (63 * 255); - raid->offset_sectors = map->offset; - raid->rebuild_lba = 0; - raid->lun = array; - raid->volume = volume - 1; - strncpy(raid->name, map->name, - min(sizeof(raid->name), sizeof(map->name))); - - /* clear out any old info */ - for (disk = 0; disk < raid->total_disks; disk++) { - u_int disk_idx = map->disk_idx[disk] & 0xffff; - - raid->disks[disk].dev = NULL; - bcopy(meta->disk[disk_idx].serial, - raid->disks[disk].serial, - sizeof(raid->disks[disk].serial)); - raid->disks[disk].sectors = - meta->disk[disk_idx].sectors; - raid->disks[disk].flags = 0; - if (meta->disk[disk_idx].flags & INTEL_F_ONLINE) - raid->disks[disk].flags |= AR_DF_ONLINE; - if (meta->disk[disk_idx].flags & INTEL_F_ASSIGNED) - raid->disks[disk].flags |= AR_DF_ASSIGNED; - if (meta->disk[disk_idx].flags & INTEL_F_SPARE) { - raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED); - raid->disks[disk].flags |= AR_DF_SPARE; - } - if (meta->disk[disk_idx].flags & INTEL_F_DOWN) - raid->disks[disk].flags &= ~AR_DF_ONLINE; - } - } - if (meta->generation >= raid->generation) { - for (disk = 0; disk < raid->total_disks; disk++) { - struct ata_device *atadev = device_get_softc(parent); - int len; - - for (len = 0; len < sizeof(atadev->param.serial); len++) { - if (atadev->param.serial[len] < 0x20) - break; - } - len = (len > sizeof(raid->disks[disk].serial)) ? - len - sizeof(raid->disks[disk].serial) : 0; - if (!strncmp(raid->disks[disk].serial, atadev->param.serial + len, - sizeof(raid->disks[disk].serial))) { - raid->disks[disk].dev = parent; - raid->disks[disk].flags |= (AR_DF_PRESENT | AR_DF_ONLINE); - ars->raid[raid->volume] = raid; - ars->disk_number[raid->volume] = disk; - retval = 1; - } - } - } - else - goto intel_out; - - if (retval) { - if (volume < meta->total_volumes) { - map = (struct intel_raid_mapping *) - &map->disk_idx[map->total_disks]; - volume++; - retval = 0; - continue; - } - break; - } - else { - free(raidp[array], M_AR); - raidp[array] = NULL; - if (volume == 2) - retval = 1; - } - } - -intel_out: - free(meta, M_AR); - return retval; -} - -static int -ata_raid_intel_write_meta(struct ar_softc *rdp) -{ - struct intel_raid_conf *meta; - struct intel_raid_mapping *map; - struct timeval timestamp; - u_int32_t checksum, *ptr; - int count, disk, error = 0; - char *tmp; - - if (!(meta = (struct intel_raid_conf *) - malloc(1536, M_AR, M_NOWAIT | M_ZERO))) { - printf("ar%d: failed to allocate metadata storage\n", rdp->lun); - return ENOMEM; - } - - rdp->generation++; - if (!rdp->magic_0) { - microtime(×tamp); - rdp->magic_0 = timestamp.tv_sec ^ timestamp.tv_usec; - } - - bcopy(INTEL_MAGIC, meta->intel_id, sizeof(meta->intel_id)); - bcopy(INTEL_VERSION_1100, meta->version, sizeof(meta->version)); - meta->config_id = rdp->magic_0; - meta->generation = rdp->generation; - meta->total_disks = rdp->total_disks; - meta->total_volumes = 1; /* XXX SOS */ - for (disk = 0; disk < rdp->total_disks; disk++) { - if (rdp->disks[disk].dev) { - struct ata_channel *ch = - device_get_softc(device_get_parent(rdp->disks[disk].dev)); - struct ata_device *atadev = - device_get_softc(rdp->disks[disk].dev); - int len; - - for (len = 0; len < sizeof(atadev->param.serial); len++) { - if (atadev->param.serial[len] < 0x20) - break; - } - len = (len > sizeof(rdp->disks[disk].serial)) ? - len - sizeof(rdp->disks[disk].serial) : 0; - bcopy(atadev->param.serial + len, meta->disk[disk].serial, - sizeof(rdp->disks[disk].serial)); - meta->disk[disk].sectors = rdp->disks[disk].sectors; - meta->disk[disk].id = (ch->unit << 16) | atadev->unit; - } - else - meta->disk[disk].sectors = rdp->total_sectors / rdp->width; - meta->disk[disk].flags = 0; - if (rdp->disks[disk].flags & AR_DF_SPARE) - meta->disk[disk].flags |= INTEL_F_SPARE; - else { - if (rdp->disks[disk].flags & AR_DF_ONLINE) - meta->disk[disk].flags |= INTEL_F_ONLINE; - else - meta->disk[disk].flags |= INTEL_F_DOWN; - if (rdp->disks[disk].flags & AR_DF_ASSIGNED) - meta->disk[disk].flags |= INTEL_F_ASSIGNED; - } - } - map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; - - bcopy(rdp->name, map->name, sizeof(rdp->name)); - map->total_sectors = rdp->total_sectors; - map->state = 12; /* XXX SOS */ - map->offset = rdp->offset_sectors; - map->stripe_count = rdp->total_sectors / (rdp->interleave*rdp->total_disks); - map->stripe_sectors = rdp->interleave; - map->disk_sectors = rdp->total_sectors / rdp->width; - map->status = INTEL_S_READY; /* XXX SOS */ - switch (rdp->type) { - case AR_T_RAID0: - map->type = INTEL_T_RAID0; - break; - case AR_T_RAID1: - map->type = INTEL_T_RAID1; - break; - case AR_T_RAID01: - map->type = INTEL_T_RAID1; - break; - case AR_T_RAID5: - map->type = INTEL_T_RAID5; - break; - default: - free(meta, M_AR); - return ENODEV; - } - map->total_disks = rdp->total_disks; - map->magic[0] = 0x02; - map->magic[1] = 0xff; - map->magic[2] = 0x01; - for (disk = 0; disk < rdp->total_disks; disk++) - map->disk_idx[disk] = disk; - - meta->config_size = (char *)&map->disk_idx[disk] - (char *)meta; - for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; - count < (meta->config_size / sizeof(u_int32_t)); count++) { - checksum += *ptr++; - } - meta->checksum = checksum; - - if (testing || bootverbose) - ata_raid_intel_print_meta(meta); - - tmp = (char *)meta; - bcopy(tmp, tmp+1024, 512); - bcopy(tmp+512, tmp, 1024); - bzero(tmp+1024, 512); - - for (disk = 0; disk < rdp->total_disks; disk++) { - if (rdp->disks[disk].dev) { - if (ata_raid_rw(rdp->disks[disk].dev, - INTEL_LBA(rdp->disks[disk].dev), - meta, 1024, ATA_R_WRITE | ATA_R_DIRECT)) { - device_printf(rdp->disks[disk].dev, "write metadata failed\n"); - error = EIO; - } - } - } - free(meta, M_AR); - return error; -} - - -/* Integrated Technology Express Metadata */ -static int -ata_raid_ite_read_meta(device_t dev, struct ar_softc **raidp) -{ - struct ata_raid_subdisk *ars = device_get_softc(dev); - device_t parent = device_get_parent(dev); - struct ite_raid_conf *meta; - struct ar_softc *raid = NULL; - int array, disk_number, count, retval = 0; - u_int16_t *ptr; - - if (!(meta = (struct ite_raid_conf *) - malloc(sizeof(struct ite_raid_conf), M_AR, M_NOWAIT | M_ZERO))) - return ENOMEM; - - if (ata_raid_rw(parent, ITE_LBA(parent), - meta, sizeof(struct ite_raid_conf), ATA_R_READ)) { - if (testing || bootverbose) - device_printf(parent, "ITE read metadata failed\n"); - goto ite_out; - } - - /* check if this is a ITE RAID struct */ - for (ptr = (u_int16_t *)meta->ite_id, count = 0; - count < sizeof(meta->ite_id)/sizeof(uint16_t); count++) - ptr[count] = be16toh(ptr[count]); - - if (strncmp(meta->ite_id, ITE_MAGIC, strlen(ITE_MAGIC))) { - if (testing || bootverbose) - device_printf(parent, "ITE check1 failed\n"); - goto ite_out; - } - - if (testing || bootverbose) - ata_raid_ite_print_meta(meta); - - /* now convert ITE metadata into our generic form */ - for (array = 0; array < MAX_ARRAYS; array++) { - if ((raid = raidp[array])) { - if (raid->format != AR_F_ITE_RAID) - continue; - if (raid->magic_0 != *((u_int64_t *)meta->timestamp_0)) - continue; - } - - /* if we dont have a disks timestamp the RAID is invalidated */ - if (*((u_int64_t *)meta->timestamp_1) == 0) - goto ite_out; - - if (!raid) { - raidp[array] = (struct ar_softc *)malloc(sizeof(struct ar_softc), - M_AR, M_NOWAIT | M_ZERO); - if (!(raid = raidp[array])) { - device_printf(parent, "failed to allocate metadata storage\n"); - goto ite_out; - } - } - - switch (meta->type) { - case ITE_T_RAID0: - raid->type = AR_T_RAID0; - raid->width = meta->array_width; - raid->total_disks = meta->array_width; - disk_number = meta->disk_number; - break; - - case ITE_T_RAID1: - raid->type = AR_T_RAID1; - raid->width = 1; - raid->total_disks = 2; - disk_number = meta->disk_number; - break; - - case ITE_T_RAID01: - raid->type = AR_T_RAID01; - raid->width = meta->array_width; - raid->total_disks = 4; - disk_number = ((meta->disk_number & 0x02) >> 1) | - ((meta->disk_number & 0x01) << 1); - break; - - case ITE_T_SPAN: - raid->type = AR_T_SPAN; - raid->width = 1; - raid->total_disks = meta->array_width; - disk_number = meta->disk_number; - break; - - default: - device_printf(parent, "ITE unknown RAID type 0x%02x\n", meta->type); - free(raidp[array], M_AR); - raidp[array] = NULL; - goto ite_out; - } - - raid->magic_0 = *((u_int64_t *)meta->timestamp_0); - raid->format = AR_F_ITE_RAID; - raid->generation = 0; - raid->interleave = meta->stripe_sectors; - raid->total_sectors = meta->total_sectors; - raid->heads = 255; - raid->sectors = 63; - raid->cylinders = raid->total_sectors / (63 * 255); - raid->offset_sectors = 0; - raid->rebuild_lba = 0; - raid->lun = array; - - raid->disks[disk_number].dev = parent; - raid->disks[disk_number].sectors = raid->total_sectors / raid->width; - raid->disks[disk_number].flags = - (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); - ars->raid[raid->volume] = raid; - ars->disk_number[raid->volume] = disk_number; - retval = 1; - break; - } -ite_out: - free(meta, M_AR); - return retval; -} - -/* JMicron Technology Corp Metadata */ -static int -ata_raid_jmicron_read_meta(device_t dev, struct ar_softc **raidp) -{ - struct ata_raid_subdisk *ars = device_get_softc(dev); - device_t parent = device_get_parent(dev); - struct jmicron_raid_conf *meta; - struct ar_softc *raid = NULL; - u_int16_t checksum, *ptr; - u_int64_t disk_size; - int count, array, disk, total_disks, retval = 0; - - if (!(meta = (struct jmicron_raid_conf *) - malloc(sizeof(struct jmicron_raid_conf), M_AR, M_NOWAIT | M_ZERO))) - return ENOMEM; - - if (ata_raid_rw(parent, JMICRON_LBA(parent), - meta, sizeof(struct jmicron_raid_conf), ATA_R_READ)) { - if (testing || bootverbose) - device_printf(parent, - "JMicron read metadata failed\n"); - } - - /* check for JMicron signature */ - if (strncmp(meta->signature, JMICRON_MAGIC, 2)) { - if (testing || bootverbose) - device_printf(parent, "JMicron check1 failed\n"); - goto jmicron_out; - } - - /* calculate checksum and compare for valid */ - for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 64; count++) - checksum += *ptr++; - if (checksum) { - if (testing || bootverbose) - device_printf(parent, "JMicron check2 failed\n"); - goto jmicron_out; - } - - if (testing || bootverbose) - ata_raid_jmicron_print_meta(meta); - - /* now convert JMicron meta into our generic form */ - for (array = 0; array < MAX_ARRAYS; array++) { -jmicron_next: - if (!raidp[array]) { - raidp[array] = - (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR, - M_NOWAIT | M_ZERO); - if (!raidp[array]) { - device_printf(parent, "failed to allocate metadata storage\n"); - goto jmicron_out; - } - } - raid = raidp[array]; - if (raid->format && (raid->format != AR_F_JMICRON_RAID)) - continue; - - for (total_disks = 0, disk = 0; disk < JM_MAX_DISKS; disk++) { - if (meta->disks[disk]) { - if (raid->format == AR_F_JMICRON_RAID) { - if (bcmp(&meta->disks[disk], - raid->disks[disk].serial, sizeof(u_int32_t))) { - array++; - goto jmicron_next; - } - } - else - bcopy(&meta->disks[disk], - raid->disks[disk].serial, sizeof(u_int32_t)); - total_disks++; - } - } - /* handle spares XXX SOS */ - - switch (meta->type) { - case JM_T_RAID0: - raid->type = AR_T_RAID0; - raid->width = total_disks; - break; - - case JM_T_RAID1: - raid->type = AR_T_RAID1; - raid->width = 1; - break; - - case JM_T_RAID01: - raid->type = AR_T_RAID01; - raid->width = total_disks / 2; - break; - - case JM_T_RAID5: - raid->type = AR_T_RAID5; - raid->width = total_disks; - break; - - case JM_T_JBOD: - raid->type = AR_T_SPAN; - raid->width = 1; - break; - - default: - device_printf(parent, - "JMicron unknown RAID type 0x%02x\n", meta->type); - free(raidp[array], M_AR); - raidp[array] = NULL; - goto jmicron_out; - } - disk_size = (meta->disk_sectors_high << 16) + meta->disk_sectors_low; - raid->format = AR_F_JMICRON_RAID; - strncpy(raid->name, meta->name, sizeof(meta->name)); - raid->generation = 0; - raid->interleave = 2 << meta->stripe_shift; - raid->total_disks = total_disks; - raid->total_sectors = disk_size * (raid->width-(raid->type==AR_RAID5)); - raid->heads = 255; - raid->sectors = 63; - raid->cylinders = raid->total_sectors / (63 * 255); - raid->offset_sectors = meta->offset * 16; - raid->rebuild_lba = 0; - raid->lun = array; - - for (disk = 0; disk < raid->total_disks; disk++) { - if (meta->disks[disk] == meta->disk_id) { - raid->disks[disk].dev = parent; - raid->disks[disk].sectors = disk_size; - raid->disks[disk].flags = - (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); - ars->raid[raid->volume] = raid; - ars->disk_number[raid->volume] = disk; - retval = 1; - break; - } - } - break; - } -jmicron_out: - free(meta, M_AR); - return retval; -} - -static int -ata_raid_jmicron_write_meta(struct ar_softc *rdp) -{ - struct jmicron_raid_conf *meta; - u_int64_t disk_sectors; - int disk, error = 0; - - if (!(meta = (struct jmicron_raid_conf *) - malloc(sizeof(struct jmicron_raid_conf), M_AR, M_NOWAIT | M_ZERO))) { - printf("ar%d: failed to allocate metadata storage\n", rdp->lun); - return ENOMEM; - } - - rdp->generation++; - switch (rdp->type) { - case AR_T_JBOD: - meta->type = JM_T_JBOD; - break; - - case AR_T_RAID0: - meta->type = JM_T_RAID0; - break; - - case AR_T_RAID1: - meta->type = JM_T_RAID1; - break; - - case AR_T_RAID5: - meta->type = JM_T_RAID5; - break; - - case AR_T_RAID01: - meta->type = JM_T_RAID01; - break; - - default: - free(meta, M_AR); - return ENODEV; - } - bcopy(JMICRON_MAGIC, meta->signature, sizeof(JMICRON_MAGIC)); - meta->version = JMICRON_VERSION; - meta->offset = rdp->offset_sectors / 16; - disk_sectors = rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5)); - meta->disk_sectors_low = disk_sectors & 0xffff; - meta->disk_sectors_high = disk_sectors >> 16; - strncpy(meta->name, rdp->name, sizeof(meta->name)); - meta->stripe_shift = ffs(rdp->interleave) - 2; - - for (disk = 0; disk < rdp->total_disks; disk++) { - if (rdp->disks[disk].serial[0]) - bcopy(rdp->disks[disk].serial,&meta->disks[disk],sizeof(u_int32_t)); - else - meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev; - } - - for (disk = 0; disk < rdp->total_disks; disk++) { - if (rdp->disks[disk].dev) { - u_int16_t checksum = 0, *ptr; - int count; - - meta->disk_id = meta->disks[disk]; - meta->checksum = 0; - for (ptr = (u_int16_t *)meta, count = 0; count < 64; count++) - checksum += *ptr++; - meta->checksum -= checksum; - - if (testing || bootverbose) - ata_raid_jmicron_print_meta(meta); - - if (ata_raid_rw(rdp->disks[disk].dev, - JMICRON_LBA(rdp->disks[disk].dev), - meta, sizeof(struct jmicron_raid_conf), - ATA_R_WRITE | ATA_R_DIRECT)) { - device_printf(rdp->disks[disk].dev, "write metadata failed\n"); - error = EIO; - } - } - } - /* handle spares XXX SOS */ - - free(meta, M_AR); - return error; -} - -/* LSILogic V2 MegaRAID Metadata */ -static int -ata_raid_lsiv2_read_meta(device_t dev, struct ar_softc **raidp) -{ - struct ata_raid_subdisk *ars = device_get_softc(dev); - device_t parent = device_get_parent(dev); - struct lsiv2_raid_conf *meta; - struct ar_softc *raid = NULL; - int array, retval = 0; - - if (!(meta = (struct lsiv2_raid_conf *) - malloc(sizeof(struct lsiv2_raid_conf), M_AR, M_NOWAIT | M_ZERO))) - return ENOMEM; - - if (ata_raid_rw(parent, LSIV2_LBA(parent), - meta, sizeof(struct lsiv2_raid_conf), ATA_R_READ)) { - if (testing || bootverbose) - device_printf(parent, "LSI (v2) read metadata failed\n"); - goto lsiv2_out; - } - - /* check if this is a LSI RAID struct */ - if (strncmp(meta->lsi_id, LSIV2_MAGIC, strlen(LSIV2_MAGIC))) { - if (testing || bootverbose) - device_printf(parent, "LSI (v2) check1 failed\n"); - goto lsiv2_out; - } - - if (testing || bootverbose) - ata_raid_lsiv2_print_meta(meta); - - /* now convert LSI (v2) config meta into our generic form */ - for (array = 0; array < MAX_ARRAYS; array++) { - int raid_entry, conf_entry; - - if (!raidp[array + meta->raid_number]) { - raidp[array + meta->raid_number] = - (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR, - M_NOWAIT | M_ZERO); - if (!raidp[array + meta->raid_number]) { - device_printf(parent, "failed to allocate metadata storage\n"); - goto lsiv2_out; - } - } - raid = raidp[array + meta->raid_number]; - if (raid->format && (raid->format != AR_F_LSIV2_RAID)) - continue; - - if (raid->magic_0 && - ((raid->magic_0 != meta->timestamp) || - (raid->magic_1 != meta->raid_number))) - continue; - - array += meta->raid_number; - - raid_entry = meta->raid_number; - conf_entry = (meta->configs[raid_entry].raid.config_offset >> 4) + - meta->disk_number - 1; - - switch (meta->configs[raid_entry].raid.type) { - case LSIV2_T_RAID0: - raid->magic_0 = meta->timestamp; - raid->magic_1 = meta->raid_number; - raid->type = AR_T_RAID0; - raid->interleave = meta->configs[raid_entry].raid.stripe_sectors; - raid->width = meta->configs[raid_entry].raid.array_width; - break; - - case LSIV2_T_RAID1: - raid->magic_0 = meta->timestamp; - raid->magic_1 = meta->raid_number; - raid->type = AR_T_RAID1; - raid->width = meta->configs[raid_entry].raid.array_width; - break; - - case LSIV2_T_RAID0 | LSIV2_T_RAID1: - raid->magic_0 = meta->timestamp; - raid->magic_1 = meta->raid_number; - raid->type = AR_T_RAID01; - raid->interleave = meta->configs[raid_entry].raid.stripe_sectors; - raid->width = meta->configs[raid_entry].raid.array_width; - break; - - default: - device_printf(parent, "LSI v2 unknown RAID type 0x%02x\n", - meta->configs[raid_entry].raid.type); - free(raidp[array], M_AR); - raidp[array] = NULL; - goto lsiv2_out; - } - - raid->format = AR_F_LSIV2_RAID; - raid->generation = 0; - raid->total_disks = meta->configs[raid_entry].raid.disk_count; - raid->total_sectors = meta->configs[raid_entry].raid.total_sectors; - raid->heads = 255; - raid->sectors = 63; - raid->cylinders = raid->total_sectors / (63 * 255); - raid->offset_sectors = 0; - raid->rebuild_lba = 0; - raid->lun = array; - - if (meta->configs[conf_entry].disk.device != LSIV2_D_NONE) { - raid->disks[meta->disk_number].dev = parent; - raid->disks[meta->disk_number].sectors = - meta->configs[conf_entry].disk.disk_sectors; - raid->disks[meta->disk_number].flags = - (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); - ars->raid[raid->volume] = raid; - ars->disk_number[raid->volume] = meta->disk_number; - retval = 1; - } - else - raid->disks[meta->disk_number].flags &= ~AR_DF_ONLINE; - - break; - } - -lsiv2_out: - free(meta, M_AR); - return retval; -} - -/* LSILogic V3 MegaRAID Metadata */ -static int -ata_raid_lsiv3_read_meta(device_t dev, struct ar_softc **raidp) -{ - struct ata_raid_subdisk *ars = device_get_softc(dev); - device_t parent = device_get_parent(dev); - struct lsiv3_raid_conf *meta; - struct ar_softc *raid = NULL; - u_int8_t checksum, *ptr; - int array, entry, count, disk_number, retval = 0; - - if (!(meta = (struct lsiv3_raid_conf *) - malloc(sizeof(struct lsiv3_raid_conf), M_AR, M_NOWAIT | M_ZERO))) - return ENOMEM; - - if (ata_raid_rw(parent, LSIV3_LBA(parent), - meta, sizeof(struct lsiv3_raid_conf), ATA_R_READ)) { - if (testing || bootverbose) - device_printf(parent, "LSI (v3) read metadata failed\n"); - goto lsiv3_out; - } - - /* check if this is a LSI RAID struct */ - if (strncmp(meta->lsi_id, LSIV3_MAGIC, strlen(LSIV3_MAGIC))) { - if (testing || bootverbose) - device_printf(parent, "LSI (v3) check1 failed\n"); - goto lsiv3_out; - } - - /* check if the checksum is OK */ - for (checksum = 0, ptr = meta->lsi_id, count = 0; count < 512; count++) - checksum += *ptr++; - if (checksum) { - if (testing || bootverbose) - device_printf(parent, "LSI (v3) check2 failed\n"); - goto lsiv3_out; - } - - if (testing || bootverbose) - ata_raid_lsiv3_print_meta(meta); - - /* now convert LSI (v3) config meta into our generic form */ - for (array = 0, entry = 0; array < MAX_ARRAYS && entry < 8;) { - if (!raidp[array]) { - raidp[array] = - (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR, - M_NOWAIT | M_ZERO); - if (!raidp[array]) { - device_printf(parent, "failed to allocate metadata storage\n"); - goto lsiv3_out; - } - } - raid = raidp[array]; - if (raid->format && (raid->format != AR_F_LSIV3_RAID)) { - array++; - continue; - } - - if ((raid->format == AR_F_LSIV3_RAID) && - (raid->magic_0 != meta->timestamp)) { - array++; - continue; - } - - switch (meta->raid[entry].total_disks) { - case 0: - entry++; - continue; - case 1: - if (meta->raid[entry].device == meta->device) { - disk_number = 0; - break; - } - if (raid->format) - array++; - entry++; - continue; - case 2: - disk_number = (meta->device & (LSIV3_D_DEVICE|LSIV3_D_CHANNEL))?1:0; - break; - default: - device_printf(parent, "lsiv3 > 2 disk support untested!!\n"); - disk_number = (meta->device & LSIV3_D_DEVICE ? 1 : 0) + - (meta->device & LSIV3_D_CHANNEL ? 2 : 0); - break; - } - - switch (meta->raid[entry].type) { - case LSIV3_T_RAID0: - raid->type = AR_T_RAID0; - raid->width = meta->raid[entry].total_disks; - break; - - case LSIV3_T_RAID1: - raid->type = AR_T_RAID1; - raid->width = meta->raid[entry].array_width; - break; - - default: - device_printf(parent, "LSI v3 unknown RAID type 0x%02x\n", - meta->raid[entry].type); - free(raidp[array], M_AR); - raidp[array] = NULL; - entry++; - continue; - } - - raid->magic_0 = meta->timestamp; - raid->format = AR_F_LSIV3_RAID; - raid->generation = 0; - raid->interleave = meta->raid[entry].stripe_pages * 8; - raid->total_disks = meta->raid[entry].total_disks; - raid->total_sectors = raid->width * meta->raid[entry].sectors; - raid->heads = 255; - raid->sectors = 63; - raid->cylinders = raid->total_sectors / (63 * 255); - raid->offset_sectors = meta->raid[entry].offset; - raid->rebuild_lba = 0; - raid->lun = array; - - raid->disks[disk_number].dev = parent; - raid->disks[disk_number].sectors = raid->total_sectors / raid->width; - raid->disks[disk_number].flags = - (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); - ars->raid[raid->volume] = raid; - ars->disk_number[raid->volume] = disk_number; - retval = 1; - entry++; - array++; - } - -lsiv3_out: - free(meta, M_AR); - return retval; -} - -/* nVidia MediaShield Metadata */ -static int -ata_raid_nvidia_read_meta(device_t dev, struct ar_softc **raidp) -{ - struct ata_raid_subdisk *ars = device_get_softc(dev); - device_t parent = device_get_parent(dev); - struct nvidia_raid_conf *meta; - struct ar_softc *raid = NULL; - u_int32_t checksum, *ptr; - int array, count, retval = 0; - - if (!(meta = (struct nvidia_raid_conf *) - malloc(sizeof(struct nvidia_raid_conf), M_AR, M_NOWAIT | M_ZERO))) - return ENOMEM; - - if (ata_raid_rw(parent, NVIDIA_LBA(parent), - meta, sizeof(struct nvidia_raid_conf), ATA_R_READ)) { - if (testing || bootverbose) - device_printf(parent, "nVidia read metadata failed\n"); - goto nvidia_out; - } - - /* check if this is a nVidia RAID struct */ - if (strncmp(meta->nvidia_id, NV_MAGIC, strlen(NV_MAGIC))) { - if (testing || bootverbose) - device_printf(parent, "nVidia check1 failed\n"); - goto nvidia_out; - } - - /* check if the checksum is OK */ - for (checksum = 0, ptr = (u_int32_t*)meta, count = 0; - count < meta->config_size; count++) - checksum += *ptr++; - if (checksum) { - if (testing || bootverbose) - device_printf(parent, "nVidia check2 failed\n"); - goto nvidia_out; - } - - if (testing || bootverbose) - ata_raid_nvidia_print_meta(meta); - - /* now convert nVidia meta into our generic form */ - for (array = 0; array < MAX_ARRAYS; array++) { - if (!raidp[array]) { - raidp[array] = - (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR, - M_NOWAIT | M_ZERO); - if (!raidp[array]) { - device_printf(parent, "failed to allocate metadata storage\n"); - goto nvidia_out; - } - } - raid = raidp[array]; - if (raid->format && (raid->format != AR_F_NVIDIA_RAID)) - continue; - - if (raid->format == AR_F_NVIDIA_RAID && - ((raid->magic_0 != meta->magic_1) || - (raid->magic_1 != meta->magic_2))) { - continue; - } - - switch (meta->type) { - case NV_T_SPAN: - raid->type = AR_T_SPAN; - break; - - case NV_T_RAID0: - raid->type = AR_T_RAID0; - break; - - case NV_T_RAID1: - raid->type = AR_T_RAID1; - break; - - case NV_T_RAID5: - raid->type = AR_T_RAID5; - break; - - case NV_T_RAID01: - raid->type = AR_T_RAID01; - break; - - default: - device_printf(parent, "nVidia unknown RAID type 0x%02x\n", - meta->type); - free(raidp[array], M_AR); - raidp[array] = NULL; - goto nvidia_out; - } - raid->magic_0 = meta->magic_1; - raid->magic_1 = meta->magic_2; - raid->format = AR_F_NVIDIA_RAID; - raid->generation = 0; - raid->interleave = meta->stripe_sectors; - raid->width = meta->array_width; - raid->total_disks = meta->total_disks; - raid->total_sectors = meta->total_sectors; - raid->heads = 255; - raid->sectors = 63; - raid->cylinders = raid->total_sectors / (63 * 255); - raid->offset_sectors = 0; - raid->rebuild_lba = meta->rebuild_lba; - raid->lun = array; - raid->status = AR_S_READY; - if (meta->status & NV_S_DEGRADED) - raid->status |= AR_S_DEGRADED; - - raid->disks[meta->disk_number].dev = parent; - raid->disks[meta->disk_number].sectors = - raid->total_sectors / raid->width; - raid->disks[meta->disk_number].flags = - (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE); - ars->raid[raid->volume] = raid; - ars->disk_number[raid->volume] = meta->disk_number; - retval = 1; - break; - } - -nvidia_out: - free(meta, M_AR); - return retval; -} - -/* Promise FastTrak Metadata */ -static int -ata_raid_promise_read_meta(device_t dev, struct ar_softc **raidp, int native) -{ - struct ata_raid_subdisk *ars = device_get_softc(dev); - device_t parent = device_get_parent(dev); - struct promise_raid_conf *meta; - struct ar_softc *raid; - u_int32_t checksum, *ptr; - int array, count, disk, disksum = 0, retval = 0; - - if (!(meta = (struct promise_raid_conf *) - malloc(sizeof(struct promise_raid_conf), M_AR, M_NOWAIT | M_ZERO))) - return ENOMEM; - - if (ata_raid_rw(parent, PROMISE_LBA(parent), - meta, sizeof(struct promise_raid_conf), ATA_R_READ)) { - if (testing || bootverbose) - device_printf(parent, "%s read metadata failed\n", - native ? "FreeBSD" : "Promise"); - goto promise_out; - } - - /* check the signature */ - if (native) { - if (strncmp(meta->promise_id, ATA_MAGIC, strlen(ATA_MAGIC))) { - if (testing || bootverbose) - device_printf(parent, "FreeBSD check1 failed\n"); - goto promise_out; - } - } - else { - if (strncmp(meta->promise_id, PR_MAGIC, strlen(PR_MAGIC))) { - if (testing || bootverbose) - device_printf(parent, "Promise check1 failed\n"); - goto promise_out; - } - } - - /* check if the checksum is OK */ - for (checksum = 0, ptr = (u_int32_t *)meta, count = 0; count < 511; count++) - checksum += *ptr++; - if (checksum != *ptr) { - if (testing || bootverbose) - device_printf(parent, "%s check2 failed\n", - native ? "FreeBSD" : "Promise"); - goto promise_out; - } - - /* check on disk integrity status */ - if (meta->raid.integrity != PR_I_VALID) { - if (testing || bootverbose) - device_printf(parent, "%s check3 failed\n", - native ? "FreeBSD" : "Promise"); - goto promise_out; - } - - if (testing || bootverbose) - ata_raid_promise_print_meta(meta); - - /* now convert Promise metadata into our generic form */ - for (array = 0; array < MAX_ARRAYS; array++) { - if (!raidp[array]) { - raidp[array] = - (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR, - M_NOWAIT | M_ZERO); - if (!raidp[array]) { - device_printf(parent, "failed to allocate metadata storage\n"); - goto promise_out; - } - } - raid = raidp[array]; - if (raid->format && - (raid->format != (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))) - continue; - - if ((raid->format == (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID))&& - !(meta->raid.magic_1 == (raid->magic_1))) - continue; - - /* update our knowledge about the array config based on generation */ - if (!meta->raid.generation || meta->raid.generation > raid->generation){ - switch (meta->raid.type) { - case PR_T_SPAN: - raid->type = AR_T_SPAN; - break; - - case PR_T_JBOD: - raid->type = AR_T_JBOD; - break; - - case PR_T_RAID0: - raid->type = AR_T_RAID0; - break; - - case PR_T_RAID1: - raid->type = AR_T_RAID1; - if (meta->raid.array_width > 1) - raid->type = AR_T_RAID01; - break; - - case PR_T_RAID5: - raid->type = AR_T_RAID5; - break; - - default: - device_printf(parent, "%s unknown RAID type 0x%02x\n", - native ? "FreeBSD" : "Promise", meta->raid.type); - free(raidp[array], M_AR); - raidp[array] = NULL; - goto promise_out; - } - raid->magic_1 = meta->raid.magic_1; - raid->format = (native ? AR_F_FREEBSD_RAID : AR_F_PROMISE_RAID); - raid->generation = meta->raid.generation; - raid->interleave = 1 << meta->raid.stripe_shift; - raid->width = meta->raid.array_width; - raid->total_disks = meta->raid.total_disks; - raid->heads = meta->raid.heads + 1; - raid->sectors = meta->raid.sectors; - raid->cylinders = meta->raid.cylinders + 1; - raid->total_sectors = meta->raid.total_sectors; - raid->offset_sectors = 0; - raid->rebuild_lba = meta->raid.rebuild_lba; - raid->lun = array; - if ((meta->raid.status & - (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) == - (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY)) { - raid->status |= AR_S_READY; - if (meta->raid.status & PR_S_DEGRADED) - raid->status |= AR_S_DEGRADED; - } - else - raid->status &= ~AR_S_READY; - - /* convert disk flags to our internal types */ - for (disk = 0; disk < meta->raid.total_disks; disk++) { - raid->disks[disk].dev = NULL; - raid->disks[disk].flags = 0; - *((u_int64_t *)(raid->disks[disk].serial)) = - meta->raid.disk[disk].magic_0; - disksum += meta->raid.disk[disk].flags; - if (meta->raid.disk[disk].flags & PR_F_ONLINE) - raid->disks[disk].flags |= AR_DF_ONLINE; - if (meta->raid.disk[disk].flags & PR_F_ASSIGNED) - raid->disks[disk].flags |= AR_DF_ASSIGNED; - if (meta->raid.disk[disk].flags & PR_F_SPARE) { - raid->disks[disk].flags &= ~(AR_DF_ONLINE | AR_DF_ASSIGNED); - raid->disks[disk].flags |= AR_DF_SPARE; - } - if (meta->raid.disk[disk].flags & (PR_F_REDIR | PR_F_DOWN)) - raid->disks[disk].flags &= ~AR_DF_ONLINE; - } - if (!disksum) { - device_printf(parent, "%s subdisks has no flags\n", - native ? "FreeBSD" : "Promise"); - free(raidp[array], M_AR); - raidp[array] = NULL; - goto promise_out; - } - } - if (meta->raid.generation >= raid->generation) { - int disk_number = meta->raid.disk_number; - - if (raid->disks[disk_number].flags && (meta->magic_0 == - *((u_int64_t *)(raid->disks[disk_number].serial)))) { - raid->disks[disk_number].dev = parent; - raid->disks[disk_number].flags |= AR_DF_PRESENT; - raid->disks[disk_number].sectors = meta->raid.disk_sectors; - if ((raid->disks[disk_number].flags & - (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) == - (AR_DF_PRESENT | AR_DF_ASSIGNED | AR_DF_ONLINE)) { - ars->raid[raid->volume] = raid; - ars->disk_number[raid->volume] = disk_number; - retval = 1; - } - } - } - break; - } - -promise_out: - free(meta, M_AR); - return retval; -} - -static int -ata_raid_promise_write_meta(struct ar_softc *rdp) -{ - struct promise_raid_conf *meta; - struct timeval timestamp; - u_int32_t *ckptr; - int count, disk, drive, error = 0; - - if (!(meta = (struct promise_raid_conf *) - malloc(sizeof(struct promise_raid_conf), M_AR, M_NOWAIT))) { - printf("ar%d: failed to allocate metadata storage\n", rdp->lun); - return ENOMEM; - } - - rdp->generation++; - microtime(×tamp); - - for (disk = 0; disk < rdp->total_disks; disk++) { - for (count = 0; count < sizeof(struct promise_raid_conf); count++) - *(((u_int8_t *)meta) + count) = 255 - (count % 256); - meta->dummy_0 = 0x00020000; - meta->raid.disk_number = disk; - - if (rdp->disks[disk].dev) { - struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); - struct ata_channel *ch = - device_get_softc(device_get_parent(rdp->disks[disk].dev)); - - meta->raid.channel = ch->unit; - meta->raid.device = atadev->unit; - meta->raid.disk_sectors = rdp->disks[disk].sectors; - meta->raid.disk_offset = rdp->offset_sectors; - } - else { - meta->raid.channel = 0; - meta->raid.device = 0; - meta->raid.disk_sectors = 0; - meta->raid.disk_offset = 0; - } - meta->magic_0 = PR_MAGIC0(meta->raid) | timestamp.tv_sec; - meta->magic_1 = timestamp.tv_sec >> 16; - meta->magic_2 = timestamp.tv_sec; - meta->raid.integrity = PR_I_VALID; - meta->raid.magic_0 = meta->magic_0; - meta->raid.rebuild_lba = rdp->rebuild_lba; - meta->raid.generation = rdp->generation; - - if (rdp->status & AR_S_READY) { - meta->raid.flags = (PR_F_VALID | PR_F_ASSIGNED | PR_F_ONLINE); - meta->raid.status = - (PR_S_VALID | PR_S_ONLINE | PR_S_INITED | PR_S_READY); - if (rdp->status & AR_S_DEGRADED) - meta->raid.status |= PR_S_DEGRADED; - else - meta->raid.status |= PR_S_FUNCTIONAL; - } - else { - meta->raid.flags = PR_F_DOWN; - meta->raid.status = 0; - } - - switch (rdp->type) { - case AR_T_RAID0: - meta->raid.type = PR_T_RAID0; - break; - case AR_T_RAID1: - meta->raid.type = PR_T_RAID1; - break; - case AR_T_RAID01: - meta->raid.type = PR_T_RAID1; - break; - case AR_T_RAID5: - meta->raid.type = PR_T_RAID5; - break; - case AR_T_SPAN: - meta->raid.type = PR_T_SPAN; - break; - case AR_T_JBOD: - meta->raid.type = PR_T_JBOD; - break; - default: - free(meta, M_AR); - return ENODEV; - } - - meta->raid.total_disks = rdp->total_disks; - meta->raid.stripe_shift = ffs(rdp->interleave) - 1; - meta->raid.array_width = rdp->width; - meta->raid.array_number = rdp->lun; - meta->raid.total_sectors = rdp->total_sectors; - meta->raid.cylinders = rdp->cylinders - 1; - meta->raid.heads = rdp->heads - 1; - meta->raid.sectors = rdp->sectors; - meta->raid.magic_1 = (u_int64_t)meta->magic_2<<16 | meta->magic_1; - - bzero(&meta->raid.disk, 8 * 12); - for (drive = 0; drive < rdp->total_disks; drive++) { - meta->raid.disk[drive].flags = 0; - if (rdp->disks[drive].flags & AR_DF_PRESENT) - meta->raid.disk[drive].flags |= PR_F_VALID; - if (rdp->disks[drive].flags & AR_DF_ASSIGNED) - meta->raid.disk[drive].flags |= PR_F_ASSIGNED; - if (rdp->disks[drive].flags & AR_DF_ONLINE) - meta->raid.disk[drive].flags |= PR_F_ONLINE; - else - if (rdp->disks[drive].flags & AR_DF_PRESENT) - meta->raid.disk[drive].flags = (PR_F_REDIR | PR_F_DOWN); - if (rdp->disks[drive].flags & AR_DF_SPARE) - meta->raid.disk[drive].flags |= PR_F_SPARE; - meta->raid.disk[drive].dummy_0 = 0x0; - if (rdp->disks[drive].dev) { - struct ata_channel *ch = - device_get_softc(device_get_parent(rdp->disks[drive].dev)); - struct ata_device *atadev = - device_get_softc(rdp->disks[drive].dev); - - meta->raid.disk[drive].channel = ch->unit; - meta->raid.disk[drive].device = atadev->unit; - } - meta->raid.disk[drive].magic_0 = - PR_MAGIC0(meta->raid.disk[drive]) | timestamp.tv_sec; - } - - if (rdp->disks[disk].dev) { - if ((rdp->disks[disk].flags & (AR_DF_PRESENT | AR_DF_ONLINE)) == - (AR_DF_PRESENT | AR_DF_ONLINE)) { - if (rdp->format == AR_F_FREEBSD_RAID) - bcopy(ATA_MAGIC, meta->promise_id, sizeof(ATA_MAGIC)); - else - bcopy(PR_MAGIC, meta->promise_id, sizeof(PR_MAGIC)); - } - else - bzero(meta->promise_id, sizeof(meta->promise_id)); - meta->checksum = 0; - for (ckptr = (int32_t *)meta, count = 0; count < 511; count++) - meta->checksum += *ckptr++; - if (testing || bootverbose) - ata_raid_promise_print_meta(meta); - if (ata_raid_rw(rdp->disks[disk].dev, - PROMISE_LBA(rdp->disks[disk].dev), - meta, sizeof(struct promise_raid_conf), - ATA_R_WRITE | ATA_R_DIRECT)) { - device_printf(rdp->disks[disk].dev, "write metadata failed\n"); - error = EIO; - } - } - } - free(meta, M_AR); - return error; -} - -/* Silicon Image Medley Metadata */ -static int -ata_raid_sii_read_meta(device_t dev, struct ar_softc **raidp) -{ - struct ata_raid_subdisk *ars = device_get_softc(dev); - device_t parent = device_get_parent(dev); - struct sii_raid_conf *meta; - struct ar_softc *raid = NULL; - u_int16_t checksum, *ptr; - int array, count, disk, retval = 0; - - if (!(meta = (struct sii_raid_conf *) - malloc(sizeof(struct sii_raid_conf), M_AR, M_NOWAIT | M_ZERO))) - return ENOMEM; - - if (ata_raid_rw(parent, SII_LBA(parent), - meta, sizeof(struct sii_raid_conf), ATA_R_READ)) { - if (testing || bootverbose) - device_printf(parent, "Silicon Image read metadata failed\n"); - goto sii_out; - } - - /* check if this is a Silicon Image (Medley) RAID struct */ - for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 160; count++) - checksum += *ptr++; - if (checksum) { - if (testing || bootverbose) - device_printf(parent, "Silicon Image check1 failed\n"); - goto sii_out; - } - - for (checksum = 0, ptr = (u_int16_t *)meta, count = 0; count < 256; count++) - checksum += *ptr++; - if (checksum != meta->checksum_1) { - if (testing || bootverbose) - device_printf(parent, "Silicon Image check2 failed\n"); - goto sii_out; - } - - /* check verison */ - if (meta->version_major != 0x0002 || - (meta->version_minor != 0x0000 && meta->version_minor != 0x0001)) { - if (testing || bootverbose) - device_printf(parent, "Silicon Image check3 failed\n"); - goto sii_out; - } - - if (testing || bootverbose) - ata_raid_sii_print_meta(meta); - - /* now convert Silicon Image meta into our generic form */ - for (array = 0; array < MAX_ARRAYS; array++) { - if (!raidp[array]) { - raidp[array] = - (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR, - M_NOWAIT | M_ZERO); - if (!raidp[array]) { - device_printf(parent, "failed to allocate metadata storage\n"); - goto sii_out; - } - } - raid = raidp[array]; - if (raid->format && (raid->format != AR_F_SII_RAID)) - continue; - - if (raid->format == AR_F_SII_RAID && - (raid->magic_0 != *((u_int64_t *)meta->timestamp))) { - continue; - } - - /* update our knowledge about the array config based on generation */ - if (!meta->generation || meta->generation > raid->generation) { - switch (meta->type) { - case SII_T_RAID0: - raid->type = AR_T_RAID0; - break; - - case SII_T_RAID1: - raid->type = AR_T_RAID1; - break; - - case SII_T_RAID01: - raid->type = AR_T_RAID01; - break; - - case SII_T_SPARE: - device_printf(parent, "Silicon Image SPARE disk\n"); - free(raidp[array], M_AR); - raidp[array] = NULL; - goto sii_out; - - default: - device_printf(parent,"Silicon Image unknown RAID type 0x%02x\n", - meta->type); - free(raidp[array], M_AR); - raidp[array] = NULL; - goto sii_out; - } - raid->magic_0 = *((u_int64_t *)meta->timestamp); - raid->format = AR_F_SII_RAID; - raid->generation = meta->generation; - raid->interleave = meta->stripe_sectors; - raid->width = (meta->raid0_disks != 0xff) ? meta->raid0_disks : 1; - raid->total_disks = - ((meta->raid0_disks != 0xff) ? meta->raid0_disks : 0) + - ((meta->raid1_disks != 0xff) ? meta->raid1_disks : 0); - raid->total_sectors = meta->total_sectors; - raid->heads = 255; - raid->sectors = 63; - raid->cylinders = raid->total_sectors / (63 * 255); - raid->offset_sectors = 0; - raid->rebuild_lba = meta->rebuild_lba; - raid->lun = array; - strncpy(raid->name, meta->name, - min(sizeof(raid->name), sizeof(meta->name))); - - /* clear out any old info */ - if (raid->generation) { - for (disk = 0; disk < raid->total_disks; disk++) { - raid->disks[disk].dev = NULL; - raid->disks[disk].flags = 0; - } - } - } - if (meta->generation >= raid->generation) { - /* XXX SOS add check for the right physical disk by serial# */ - if (meta->status & SII_S_READY) { - int disk_number = (raid->type == AR_T_RAID01) ? - meta->raid1_ident + (meta->raid0_ident << 1) : - meta->disk_number; - - raid->disks[disk_number].dev = parent; - raid->disks[disk_number].sectors = - raid->total_sectors / raid->width; - raid->disks[disk_number].flags = - (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); - ars->raid[raid->volume] = raid; - ars->disk_number[raid->volume] = disk_number; - retval = 1; - } - } - break; - } - -sii_out: - free(meta, M_AR); - return retval; -} - -/* Silicon Integrated Systems Metadata */ -static int -ata_raid_sis_read_meta(device_t dev, struct ar_softc **raidp) -{ - struct ata_raid_subdisk *ars = device_get_softc(dev); - device_t parent = device_get_parent(dev); - struct sis_raid_conf *meta; - struct ar_softc *raid = NULL; - int array, disk_number, drive, retval = 0; - - if (!(meta = (struct sis_raid_conf *) - malloc(sizeof(struct sis_raid_conf), M_AR, M_NOWAIT | M_ZERO))) - return ENOMEM; - - if (ata_raid_rw(parent, SIS_LBA(parent), - meta, sizeof(struct sis_raid_conf), ATA_R_READ)) { - if (testing || bootverbose) - device_printf(parent, - "Silicon Integrated Systems read metadata failed\n"); - } - - /* check for SiS magic */ - if (meta->magic != SIS_MAGIC) { - if (testing || bootverbose) - device_printf(parent, - "Silicon Integrated Systems check1 failed\n"); - goto sis_out; - } - - if (testing || bootverbose) - ata_raid_sis_print_meta(meta); - - /* now convert SiS meta into our generic form */ - for (array = 0; array < MAX_ARRAYS; array++) { - if (!raidp[array]) { - raidp[array] = - (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR, - M_NOWAIT | M_ZERO); - if (!raidp[array]) { - device_printf(parent, "failed to allocate metadata storage\n"); - goto sis_out; - } - } - - raid = raidp[array]; - if (raid->format && (raid->format != AR_F_SIS_RAID)) - continue; - - if ((raid->format == AR_F_SIS_RAID) && - ((raid->magic_0 != meta->controller_pci_id) || - (raid->magic_1 != meta->timestamp))) { - continue; - } - - switch (meta->type_total_disks & SIS_T_MASK) { - case SIS_T_JBOD: - raid->type = AR_T_JBOD; - raid->width = (meta->type_total_disks & SIS_D_MASK); - raid->total_sectors += SIS_LBA(parent); - break; - - case SIS_T_RAID0: - raid->type = AR_T_RAID0; - raid->width = (meta->type_total_disks & SIS_D_MASK); - if (!raid->total_sectors || - (raid->total_sectors > (raid->width * SIS_LBA(parent)))) - raid->total_sectors = raid->width * SIS_LBA(parent); - break; - - case SIS_T_RAID1: - raid->type = AR_T_RAID1; - raid->width = 1; - if (!raid->total_sectors || (raid->total_sectors > SIS_LBA(parent))) - raid->total_sectors = SIS_LBA(parent); - break; - - default: - device_printf(parent, "Silicon Integrated Systems " - "unknown RAID type 0x%08x\n", meta->magic); - free(raidp[array], M_AR); - raidp[array] = NULL; - goto sis_out; - } - raid->magic_0 = meta->controller_pci_id; - raid->magic_1 = meta->timestamp; - raid->format = AR_F_SIS_RAID; - raid->generation = 0; - raid->interleave = meta->stripe_sectors; - raid->total_disks = (meta->type_total_disks & SIS_D_MASK); - raid->heads = 255; - raid->sectors = 63; - raid->cylinders = raid->total_sectors / (63 * 255); - raid->offset_sectors = 0; - raid->rebuild_lba = 0; - raid->lun = array; - /* XXX SOS if total_disks > 2 this doesn't float */ - if (((meta->disks & SIS_D_MASTER) >> 4) == meta->disk_number) - disk_number = 0; - else - disk_number = 1; - - for (drive = 0; drive < raid->total_disks; drive++) { - raid->disks[drive].sectors = raid->total_sectors/raid->width; - if (drive == disk_number) { - raid->disks[disk_number].dev = parent; - raid->disks[disk_number].flags = - (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); - ars->raid[raid->volume] = raid; - ars->disk_number[raid->volume] = disk_number; - } - } - retval = 1; - break; - } - -sis_out: - free(meta, M_AR); - return retval; -} - -static int -ata_raid_sis_write_meta(struct ar_softc *rdp) -{ - struct sis_raid_conf *meta; - struct timeval timestamp; - int disk, error = 0; - - if (!(meta = (struct sis_raid_conf *) - malloc(sizeof(struct sis_raid_conf), M_AR, M_NOWAIT | M_ZERO))) { - printf("ar%d: failed to allocate metadata storage\n", rdp->lun); - return ENOMEM; - } - - rdp->generation++; - microtime(×tamp); - - meta->magic = SIS_MAGIC; - /* XXX SOS if total_disks > 2 this doesn't float */ - for (disk = 0; disk < rdp->total_disks; disk++) { - if (rdp->disks[disk].dev) { - struct ata_channel *ch = - device_get_softc(device_get_parent(rdp->disks[disk].dev)); - struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); - int disk_number = 1 + atadev->unit + (ch->unit << 1); - - meta->disks |= disk_number << ((1 - disk) << 2); - } - } - switch (rdp->type) { - case AR_T_JBOD: - meta->type_total_disks = SIS_T_JBOD; - break; - - case AR_T_RAID0: - meta->type_total_disks = SIS_T_RAID0; - break; - - case AR_T_RAID1: - meta->type_total_disks = SIS_T_RAID1; - break; - - default: - free(meta, M_AR); - return ENODEV; - } - meta->type_total_disks |= (rdp->total_disks & SIS_D_MASK); - meta->stripe_sectors = rdp->interleave; - meta->timestamp = timestamp.tv_sec; - - for (disk = 0; disk < rdp->total_disks; disk++) { - if (rdp->disks[disk].dev) { - struct ata_channel *ch = - device_get_softc(device_get_parent(rdp->disks[disk].dev)); - struct ata_device *atadev = device_get_softc(rdp->disks[disk].dev); - - meta->controller_pci_id = - (pci_get_vendor(GRANDPARENT(rdp->disks[disk].dev)) << 16) | - pci_get_device(GRANDPARENT(rdp->disks[disk].dev)); - bcopy(atadev->param.model, meta->model, sizeof(meta->model)); - - /* XXX SOS if total_disks > 2 this may not float */ - meta->disk_number = 1 + atadev->unit + (ch->unit << 1); - - if (testing || bootverbose) - ata_raid_sis_print_meta(meta); - - if (ata_raid_rw(rdp->disks[disk].dev, - SIS_LBA(rdp->disks[disk].dev), - meta, sizeof(struct sis_raid_conf), - ATA_R_WRITE | ATA_R_DIRECT)) { - device_printf(rdp->disks[disk].dev, "write metadata failed\n"); - error = EIO; - } - } - } - free(meta, M_AR); - return error; -} - -/* VIA Tech V-RAID Metadata */ -static int -ata_raid_via_read_meta(device_t dev, struct ar_softc **raidp) -{ - struct ata_raid_subdisk *ars = device_get_softc(dev); - device_t parent = device_get_parent(dev); - struct via_raid_conf *meta; - struct ar_softc *raid = NULL; - u_int8_t checksum, *ptr; - int array, count, disk, retval = 0; - - if (!(meta = (struct via_raid_conf *) - malloc(sizeof(struct via_raid_conf), M_AR, M_NOWAIT | M_ZERO))) - return ENOMEM; - - if (ata_raid_rw(parent, VIA_LBA(parent), - meta, sizeof(struct via_raid_conf), ATA_R_READ)) { - if (testing || bootverbose) - device_printf(parent, "VIA read metadata failed\n"); - goto via_out; - } - - /* check if this is a VIA RAID struct */ - if (meta->magic != VIA_MAGIC) { - if (testing || bootverbose) - device_printf(parent, "VIA check1 failed\n"); - goto via_out; - } - - /* calculate checksum and compare for valid */ - for (checksum = 0, ptr = (u_int8_t *)meta, count = 0; count < 50; count++) - checksum += *ptr++; - if (checksum != meta->checksum) { - if (testing || bootverbose) - device_printf(parent, "VIA check2 failed\n"); - goto via_out; - } - - if (testing || bootverbose) - ata_raid_via_print_meta(meta); - - /* now convert VIA meta into our generic form */ - for (array = 0; array < MAX_ARRAYS; array++) { - if (!raidp[array]) { - raidp[array] = - (struct ar_softc *)malloc(sizeof(struct ar_softc), M_AR, - M_NOWAIT | M_ZERO); - if (!raidp[array]) { - device_printf(parent, "failed to allocate metadata storage\n"); - goto via_out; - } - } - raid = raidp[array]; - if (raid->format && (raid->format != AR_F_VIA_RAID)) - continue; - - if (raid->format == AR_F_VIA_RAID && (raid->magic_0 != meta->disks[0])) - continue; - - switch (meta->type & VIA_T_MASK) { - case VIA_T_RAID0: - raid->type = AR_T_RAID0; - raid->width = meta->stripe_layout & VIA_L_DISKS; - if (!raid->total_sectors || - (raid->total_sectors > (raid->width * meta->disk_sectors))) - raid->total_sectors = raid->width * meta->disk_sectors; - break; - - case VIA_T_RAID1: - raid->type = AR_T_RAID1; - raid->width = 1; - raid->total_sectors = meta->disk_sectors; - break; - - case VIA_T_RAID01: - raid->type = AR_T_RAID01; - raid->width = meta->stripe_layout & VIA_L_DISKS; - if (!raid->total_sectors || - (raid->total_sectors > (raid->width * meta->disk_sectors))) - raid->total_sectors = raid->width * meta->disk_sectors; - break; - - case VIA_T_RAID5: - raid->type = AR_T_RAID5; - raid->width = meta->stripe_layout & VIA_L_DISKS; - if (!raid->total_sectors || - (raid->total_sectors > ((raid->width - 1)*meta->disk_sectors))) - raid->total_sectors = (raid->width - 1) * meta->disk_sectors; - break; - - case VIA_T_SPAN: - raid->type = AR_T_SPAN; - raid->width = 1; - raid->total_sectors += meta->disk_sectors; - break; - - default: - device_printf(parent,"VIA unknown RAID type 0x%02x\n", meta->type); - free(raidp[array], M_AR); - raidp[array] = NULL; - goto via_out; - } - raid->magic_0 = meta->disks[0]; - raid->format = AR_F_VIA_RAID; - raid->generation = 0; - raid->interleave = - 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT); - for (count = 0, disk = 0; disk < 8; disk++) - if (meta->disks[disk]) - count++; - raid->total_disks = count; - raid->heads = 255; - raid->sectors = 63; - raid->cylinders = raid->total_sectors / (63 * 255); - raid->offset_sectors = 0; - raid->rebuild_lba = 0; - raid->lun = array; - - for (disk = 0; disk < raid->total_disks; disk++) { - if (meta->disks[disk] == meta->disk_id) { - raid->disks[disk].dev = parent; - bcopy(&meta->disk_id, raid->disks[disk].serial, - sizeof(u_int32_t)); - raid->disks[disk].sectors = meta->disk_sectors; - raid->disks[disk].flags = - (AR_DF_ONLINE | AR_DF_PRESENT | AR_DF_ASSIGNED); - ars->raid[raid->volume] = raid; - ars->disk_number[raid->volume] = disk; - retval = 1; - break; - } - } - break; - } - -via_out: - free(meta, M_AR); - return retval; -} - -static int -ata_raid_via_write_meta(struct ar_softc *rdp) -{ - struct via_raid_conf *meta; - int disk, error = 0; - - if (!(meta = (struct via_raid_conf *) - malloc(sizeof(struct via_raid_conf), M_AR, M_NOWAIT | M_ZERO))) { - printf("ar%d: failed to allocate metadata storage\n", rdp->lun); - return ENOMEM; - } - - rdp->generation++; - - meta->magic = VIA_MAGIC; - meta->dummy_0 = 0x02; - switch (rdp->type) { - case AR_T_SPAN: - meta->type = VIA_T_SPAN; - meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS); - break; - - case AR_T_RAID0: - meta->type = VIA_T_RAID0; - meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); - meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS); - break; - - case AR_T_RAID1: - meta->type = VIA_T_RAID1; - meta->stripe_layout = (rdp->total_disks & VIA_L_DISKS); - break; - - case AR_T_RAID5: - meta->type = VIA_T_RAID5; - meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); - meta->stripe_layout |= (rdp->total_disks & VIA_L_DISKS); - break; - - case AR_T_RAID01: - meta->type = VIA_T_RAID01; - meta->stripe_layout = ((rdp->interleave >> 1) & VIA_L_MASK); - meta->stripe_layout |= (rdp->width & VIA_L_DISKS); - break; - - default: - free(meta, M_AR); - return ENODEV; - } - meta->type |= VIA_T_BOOTABLE; /* XXX SOS */ - meta->disk_sectors = - rdp->total_sectors / (rdp->width - (rdp->type == AR_RAID5)); - for (disk = 0; disk < rdp->total_disks; disk++) - meta->disks[disk] = (u_int32_t)(uintptr_t)rdp->disks[disk].dev; - - for (disk = 0; disk < rdp->total_disks; disk++) { - if (rdp->disks[disk].dev) { - u_int8_t *ptr; - int count; - - meta->disk_index = disk * sizeof(u_int32_t); - if (rdp->type == AR_T_RAID01) - meta->disk_index = ((meta->disk_index & 0x08) << 2) | - (meta->disk_index & ~0x08); - meta->disk_id = meta->disks[disk]; - meta->checksum = 0; - for (ptr = (u_int8_t *)meta, count = 0; count < 50; count++) - meta->checksum += *ptr++; - - if (testing || bootverbose) - ata_raid_via_print_meta(meta); - - if (ata_raid_rw(rdp->disks[disk].dev, - VIA_LBA(rdp->disks[disk].dev), - meta, sizeof(struct via_raid_conf), - ATA_R_WRITE | ATA_R_DIRECT)) { - device_printf(rdp->disks[disk].dev, "write metadata failed\n"); - error = EIO; - } - } - } - free(meta, M_AR); - return error; -} - -static struct ata_request * -ata_raid_init_request(device_t dev, struct ar_softc *rdp, struct bio *bio) -{ - struct ata_request *request; - - if (!(request = ata_alloc_request())) { - printf("FAILURE - out of memory in ata_raid_init_request\n"); - return NULL; - } - request->dev = dev; - request->timeout = ATA_REQUEST_TIMEOUT; - request->retries = 2; - request->callback = ata_raid_done; - request->driver = rdp; - request->bio = bio; - switch (request->bio->bio_cmd) { - case BIO_READ: - request->flags = ATA_R_READ; - break; - case BIO_WRITE: - request->flags = ATA_R_WRITE; - break; - case BIO_FLUSH: - request->flags = ATA_R_CONTROL; - break; - } - return request; -} - -static int -ata_raid_send_request(struct ata_request *request) -{ - struct ata_device *atadev = device_get_softc(request->dev); - - request->transfersize = min(request->bytecount, atadev->max_iosize); - if (request->flags & ATA_R_READ) { - if (atadev->mode >= ATA_DMA) { - request->flags |= ATA_R_DMA; - request->u.ata.command = ATA_READ_DMA; - } - else if (atadev->max_iosize > DEV_BSIZE) - request->u.ata.command = ATA_READ_MUL; - else - request->u.ata.command = ATA_READ; - } - else if (request->flags & ATA_R_WRITE) { - if (atadev->mode >= ATA_DMA) { - request->flags |= ATA_R_DMA; - request->u.ata.command = ATA_WRITE_DMA; - } - else if (atadev->max_iosize > DEV_BSIZE) - request->u.ata.command = ATA_WRITE_MUL; - else - request->u.ata.command = ATA_WRITE; - } - else { - device_printf(request->dev, "FAILURE - unknown IO operation\n"); - ata_free_request(request); - return EIO; - } - request->flags |= (ATA_R_ORDERED | ATA_R_THREAD); - ata_queue_request(request); - return 0; -} - -static int -ata_raid_rw(device_t dev, u_int64_t lba, void *data, u_int bcount, int flags) -{ - struct ata_device *atadev = device_get_softc(dev); - struct ata_request *request; - int error; - - if (bcount % DEV_BSIZE) { - device_printf(dev, "FAILURE - transfers must be modulo sectorsize\n"); - return ENOMEM; - } - - if (!(request = ata_alloc_request())) { - device_printf(dev, "FAILURE - out of memory in ata_raid_rw\n"); - return ENOMEM; - } - - /* setup request */ - request->dev = dev; - request->timeout = ATA_REQUEST_TIMEOUT; - request->retries = 0; - request->data = data; - request->bytecount = bcount; - request->transfersize = DEV_BSIZE; - request->u.ata.lba = lba; - request->u.ata.count = request->bytecount / DEV_BSIZE; - request->flags = flags; - - if (flags & ATA_R_READ) { - if (atadev->mode >= ATA_DMA) { - request->u.ata.command = ATA_READ_DMA; - request->flags |= ATA_R_DMA; - } - else - request->u.ata.command = ATA_READ; - ata_queue_request(request); - } - else if (flags & ATA_R_WRITE) { - if (atadev->mode >= ATA_DMA) { - request->u.ata.command = ATA_WRITE_DMA; - request->flags |= ATA_R_DMA; - } - else - request->u.ata.command = ATA_WRITE; - ata_queue_request(request); - } - else { - device_printf(dev, "FAILURE - unknown IO operation\n"); - request->result = EIO; - } - error = request->result; - ata_free_request(request); - return error; -} - -/* - * module handeling - */ -static int -ata_raid_subdisk_probe(device_t dev) -{ - device_quiet(dev); - return 0; -} - -static int -ata_raid_subdisk_attach(device_t dev) -{ - struct ata_raid_subdisk *ars = device_get_softc(dev); - int volume; - - for (volume = 0; volume < MAX_VOLUMES; volume++) { - ars->raid[volume] = NULL; - ars->disk_number[volume] = -1; - } - ata_raid_read_metadata(dev); - return 0; -} - -static int -ata_raid_subdisk_detach(device_t dev) -{ - struct ata_raid_subdisk *ars = device_get_softc(dev); - int volume; - - for (volume = 0; volume < MAX_VOLUMES; volume++) { - if (ars->raid[volume]) { - ars->raid[volume]->disks[ars->disk_number[volume]].flags &= - ~(AR_DF_PRESENT | AR_DF_ONLINE); - ars->raid[volume]->disks[ars->disk_number[volume]].dev = NULL; - if (mtx_initialized(&ars->raid[volume]->lock)) - ata_raid_config_changed(ars->raid[volume], 1); - ars->raid[volume] = NULL; - ars->disk_number[volume] = -1; - } - } - return 0; -} - -static device_method_t ata_raid_sub_methods[] = { - /* device interface */ - DEVMETHOD(device_probe, ata_raid_subdisk_probe), - DEVMETHOD(device_attach, ata_raid_subdisk_attach), - DEVMETHOD(device_detach, ata_raid_subdisk_detach), - DEVMETHOD_END -}; - -static driver_t ata_raid_sub_driver = { - "subdisk", - ata_raid_sub_methods, - sizeof(struct ata_raid_subdisk) -}; - -DRIVER_MODULE(subdisk, ad, ata_raid_sub_driver, ata_raid_sub_devclass, NULL, NULL); - -static int -ata_raid_module_event_handler(module_t mod, int what, void *arg) -{ - int i; - - switch (what) { - case MOD_LOAD: - if (testing || bootverbose) - printf("ATA PseudoRAID loaded\n"); -#if 0 - /* setup table to hold metadata for all ATA PseudoRAID arrays */ - ata_raid_arrays = malloc(sizeof(struct ar_soft *) * MAX_ARRAYS, - M_AR, M_NOWAIT | M_ZERO); - if (!ata_raid_arrays) { - printf("ataraid: no memory for metadata storage\n"); - return ENOMEM; - } -#endif - /* attach found PseudoRAID arrays */ - for (i = 0; i < MAX_ARRAYS; i++) { - struct ar_softc *rdp = ata_raid_arrays[i]; - - if (!rdp || !rdp->format) - continue; - if (testing || bootverbose) - ata_raid_print_meta(rdp); - ata_raid_attach(rdp, 0); - } - ata_raid_ioctl_func = ata_raid_ioctl; - return 0; - - case MOD_UNLOAD: - /* detach found PseudoRAID arrays */ - for (i = 0; i < MAX_ARRAYS; i++) { - struct ar_softc *rdp = ata_raid_arrays[i]; - - if (!rdp || !rdp->status) - continue; - if (mtx_initialized(&rdp->lock)) - mtx_destroy(&rdp->lock); - if (rdp->disk) - disk_destroy(rdp->disk); - } - if (testing || bootverbose) - printf("ATA PseudoRAID unloaded\n"); -#if 0 - free(ata_raid_arrays, M_AR); -#endif - ata_raid_ioctl_func = NULL; - return 0; - - default: - return EOPNOTSUPP; - } -} - -static moduledata_t ata_raid_moduledata = - { "ataraid", ata_raid_module_event_handler, NULL }; -DECLARE_MODULE(ata, ata_raid_moduledata, SI_SUB_RAID, SI_ORDER_FIRST); -MODULE_VERSION(ataraid, 1); -MODULE_DEPEND(ataraid, ata, 1, 1, 1); -MODULE_DEPEND(ataraid, ad, 1, 1, 1); - -static char * -ata_raid_format(struct ar_softc *rdp) -{ - switch (rdp->format) { - case AR_F_FREEBSD_RAID: return "FreeBSD PseudoRAID"; - case AR_F_ADAPTEC_RAID: return "Adaptec HostRAID"; - case AR_F_DDF_RAID: return "DDF"; - case AR_F_HPTV2_RAID: return "HighPoint v2 RocketRAID"; - case AR_F_HPTV3_RAID: return "HighPoint v3 RocketRAID"; - case AR_F_INTEL_RAID: return "Intel MatrixRAID"; - case AR_F_ITE_RAID: return "Integrated Technology Express"; - case AR_F_JMICRON_RAID: return "JMicron Technology Corp"; - case AR_F_LSIV2_RAID: return "LSILogic v2 MegaRAID"; - case AR_F_LSIV3_RAID: return "LSILogic v3 MegaRAID"; - case AR_F_NVIDIA_RAID: return "nVidia MediaShield"; - case AR_F_PROMISE_RAID: return "Promise Fasttrak"; - case AR_F_SII_RAID: return "Silicon Image Medley"; - case AR_F_SIS_RAID: return "Silicon Integrated Systems"; - case AR_F_VIA_RAID: return "VIA Tech V-RAID"; - default: return "UNKNOWN"; - } -} - -static char * -ata_raid_type(struct ar_softc *rdp) -{ - switch (rdp->type) { - case AR_T_JBOD: return "JBOD"; - case AR_T_SPAN: return "SPAN"; - case AR_T_RAID0: return "RAID0"; - case AR_T_RAID1: return "RAID1"; - case AR_T_RAID3: return "RAID3"; - case AR_T_RAID4: return "RAID4"; - case AR_T_RAID5: return "RAID5"; - case AR_T_RAID01: return "RAID0+1"; - default: return "UNKNOWN"; - } -} - -static char * -ata_raid_flags(struct ar_softc *rdp) -{ - switch (rdp->status & (AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING)) { - case AR_S_READY: return "READY"; - case AR_S_READY | AR_S_DEGRADED: return "DEGRADED"; - case AR_S_READY | AR_S_REBUILDING: - case AR_S_READY | AR_S_DEGRADED | AR_S_REBUILDING: return "REBUILDING"; - default: return "BROKEN"; - } -} - -/* debugging gunk */ -static void -ata_raid_print_meta(struct ar_softc *raid) -{ - int i; - - printf("********** ATA PseudoRAID ar%d Metadata **********\n", raid->lun); - printf("=================================================\n"); - printf("format %s\n", ata_raid_format(raid)); - printf("type %s\n", ata_raid_type(raid)); - printf("flags 0x%02x %b\n", raid->status, raid->status, - "\20\3REBUILDING\2DEGRADED\1READY\n"); - printf("magic_0 0x%016jx\n", raid->magic_0); - printf("magic_1 0x%016jx\n",raid->magic_1); - printf("generation %u\n", raid->generation); - printf("total_sectors %ju\n", raid->total_sectors); - printf("offset_sectors %ju\n", raid->offset_sectors); - printf("heads %u\n", raid->heads); - printf("sectors %u\n", raid->sectors); - printf("cylinders %u\n", raid->cylinders); - printf("width %u\n", raid->width); - printf("interleave %u\n", raid->interleave); - printf("total_disks %u\n", raid->total_disks); - for (i = 0; i < raid->total_disks; i++) { - printf(" disk %d: flags = 0x%02x %b\n", i, raid->disks[i].flags, - raid->disks[i].flags, "\20\4ONLINE\3SPARE\2ASSIGNED\1PRESENT\n"); - if (raid->disks[i].dev) { - printf(" "); - device_printf(raid->disks[i].dev, " sectors %jd\n", - raid->disks[i].sectors); - } - } - printf("=================================================\n"); -} - -static char * -ata_raid_adaptec_type(int type) -{ - static char buffer[16]; - - switch (type) { - case ADP_T_RAID0: return "RAID0"; - case ADP_T_RAID1: return "RAID1"; - default: sprintf(buffer, "UNKNOWN 0x%02x", type); - return buffer; - } -} - -static void -ata_raid_adaptec_print_meta(struct adaptec_raid_conf *meta) -{ - int i; - - printf("********* ATA Adaptec HostRAID Metadata *********\n"); - printf("magic_0 <0x%08x>\n", be32toh(meta->magic_0)); - printf("generation 0x%08x\n", be32toh(meta->generation)); - printf("dummy_0 0x%04x\n", be16toh(meta->dummy_0)); - printf("total_configs %u\n", be16toh(meta->total_configs)); - printf("dummy_1 0x%04x\n", be16toh(meta->dummy_1)); - printf("checksum 0x%04x\n", be16toh(meta->checksum)); - printf("dummy_2 0x%08x\n", be32toh(meta->dummy_2)); - printf("dummy_3 0x%08x\n", be32toh(meta->dummy_3)); - printf("flags 0x%08x\n", be32toh(meta->flags)); - printf("timestamp 0x%08x\n", be32toh(meta->timestamp)); - printf("dummy_4 0x%08x 0x%08x 0x%08x 0x%08x\n", - be32toh(meta->dummy_4[0]), be32toh(meta->dummy_4[1]), - be32toh(meta->dummy_4[2]), be32toh(meta->dummy_4[3])); - printf("dummy_5 0x%08x 0x%08x 0x%08x 0x%08x\n", - be32toh(meta->dummy_5[0]), be32toh(meta->dummy_5[1]), - be32toh(meta->dummy_5[2]), be32toh(meta->dummy_5[3])); - - for (i = 0; i < be16toh(meta->total_configs); i++) { - printf(" %d total_disks %u\n", i, - be16toh(meta->configs[i].disk_number)); - printf(" %d generation %u\n", i, - be16toh(meta->configs[i].generation)); - printf(" %d magic_0 0x%08x\n", i, - be32toh(meta->configs[i].magic_0)); - printf(" %d dummy_0 0x%02x\n", i, meta->configs[i].dummy_0); - printf(" %d type %s\n", i, - ata_raid_adaptec_type(meta->configs[i].type)); - printf(" %d dummy_1 0x%02x\n", i, meta->configs[i].dummy_1); - printf(" %d flags %d\n", i, - be32toh(meta->configs[i].flags)); - printf(" %d dummy_2 0x%02x\n", i, meta->configs[i].dummy_2); - printf(" %d dummy_3 0x%02x\n", i, meta->configs[i].dummy_3); - printf(" %d dummy_4 0x%02x\n", i, meta->configs[i].dummy_4); - printf(" %d dummy_5 0x%02x\n", i, meta->configs[i].dummy_5); - printf(" %d disk_number %u\n", i, - be32toh(meta->configs[i].disk_number)); - printf(" %d dummy_6 0x%08x\n", i, - be32toh(meta->configs[i].dummy_6)); - printf(" %d sectors %u\n", i, - be32toh(meta->configs[i].sectors)); - printf(" %d stripe_shift %u\n", i, - be16toh(meta->configs[i].stripe_shift)); - printf(" %d dummy_7 0x%08x\n", i, - be32toh(meta->configs[i].dummy_7)); - printf(" %d dummy_8 0x%08x 0x%08x 0x%08x 0x%08x\n", i, - be32toh(meta->configs[i].dummy_8[0]), - be32toh(meta->configs[i].dummy_8[1]), - be32toh(meta->configs[i].dummy_8[2]), - be32toh(meta->configs[i].dummy_8[3])); - printf(" %d name <%s>\n", i, meta->configs[i].name); - } - printf("magic_1 <0x%08x>\n", be32toh(meta->magic_1)); - printf("magic_2 <0x%08x>\n", be32toh(meta->magic_2)); - printf("magic_3 <0x%08x>\n", be32toh(meta->magic_3)); - printf("magic_4 <0x%08x>\n", be32toh(meta->magic_4)); - printf("=================================================\n"); -} - -static void -ata_raid_ddf_print_meta(uint8_t *meta) -{ - struct ddf_header *hdr; - struct ddf_cd_record *cd; - struct ddf_pd_record *pdr; - struct ddf_pd_entry *pde; - struct ddf_vd_record *vdr; - struct ddf_vd_entry *vde; - struct ddf_pdd_record *pdd; - uint64_t (*ddf64toh)(uint64_t) = NULL; - uint32_t (*ddf32toh)(uint32_t) = NULL; - uint16_t (*ddf16toh)(uint16_t) = NULL; - uint8_t *cr; - char *r; - - /* Check if this is a DDF RAID struct */ - hdr = (struct ddf_header *)meta; - if (be32toh(hdr->Signature) == DDF_HEADER_SIGNATURE) { - ddf64toh = ddfbe64toh; - ddf32toh = ddfbe32toh; - ddf16toh = ddfbe16toh; - } else { - ddf64toh = ddfle64toh; - ddf32toh = ddfle32toh; - ddf16toh = ddfle16toh; - } - - hdr = (struct ddf_header*)meta; - cd = (struct ddf_cd_record*)(meta + ddf32toh(hdr->cd_section) *DEV_BSIZE); - pdr = (struct ddf_pd_record*)(meta + ddf32toh(hdr->pdr_section)*DEV_BSIZE); - vdr = (struct ddf_vd_record*)(meta + ddf32toh(hdr->vdr_section)*DEV_BSIZE); - cr = (uint8_t *)(meta + ddf32toh(hdr->cr_section) * DEV_BSIZE); - pdd = (struct ddf_pdd_record*)(meta + ddf32toh(hdr->pdd_section)*DEV_BSIZE); - pde = NULL; - vde = NULL; - - printf("********* ATA DDF Metadata *********\n"); - printf("**** Header ****\n"); - r = (char *)&hdr->DDF_rev[0]; - printf("DDF_rev= %8.8s Sequence_Number= 0x%x Open_Flag= 0x%x\n", r, - ddf32toh(hdr->Sequence_Number), hdr->Open_Flag); - printf("Primary Header LBA= %llu Header_Type = 0x%x\n", - (unsigned long long)ddf64toh(hdr->Primary_Header_LBA), - hdr->Header_Type); - printf("Max_PD_Entries= %d Max_VD_Entries= %d Max_Partitions= %d " - "CR_Length= %d\n", ddf16toh(hdr->Max_PD_Entries), - ddf16toh(hdr->Max_VD_Entries), ddf16toh(hdr->Max_Partitions), - ddf16toh(hdr->Configuration_Record_Length)); - printf("CD= %d:%d PDR= %d:%d VDR= %d:%d CR= %d:%d PDD= %d%d\n", - ddf32toh(hdr->cd_section), ddf32toh(hdr->cd_length), - ddf32toh(hdr->pdr_section), ddf32toh(hdr->pdr_length), - ddf32toh(hdr->vdr_section), ddf32toh(hdr->vdr_length), - ddf32toh(hdr->cr_section), ddf32toh(hdr->cr_length), - ddf32toh(hdr->pdd_section), ddf32toh(hdr->pdd_length)); - printf("**** Controler Data ****\n"); - r = (char *)&cd->Product_ID[0]; - printf("Product_ID: %16.16s\n", r); - printf("Vendor 0x%x, Device 0x%x, SubVendor 0x%x, Sub_Device 0x%x\n", - ddf16toh(cd->Controller_Type.Vendor_ID), - ddf16toh(cd->Controller_Type.Device_ID), - ddf16toh(cd->Controller_Type.SubVendor_ID), - ddf16toh(cd->Controller_Type.SubDevice_ID)); -} - -static char * -ata_raid_hptv2_type(int type) -{ - static char buffer[16]; - - switch (type) { - case HPTV2_T_RAID0: return "RAID0"; - case HPTV2_T_RAID1: return "RAID1"; - case HPTV2_T_RAID01_RAID0: return "RAID01_RAID0"; - case HPTV2_T_SPAN: return "SPAN"; - case HPTV2_T_RAID_3: return "RAID3"; - case HPTV2_T_RAID_5: return "RAID5"; - case HPTV2_T_JBOD: return "JBOD"; - case HPTV2_T_RAID01_RAID1: return "RAID01_RAID1"; - default: sprintf(buffer, "UNKNOWN 0x%02x", type); - return buffer; - } -} - -static void -ata_raid_hptv2_print_meta(struct hptv2_raid_conf *meta) -{ - int i; - - printf("****** ATA Highpoint V2 RocketRAID Metadata *****\n"); - printf("magic 0x%08x\n", meta->magic); - printf("magic_0 0x%08x\n", meta->magic_0); - printf("magic_1 0x%08x\n", meta->magic_1); - printf("order 0x%08x\n", meta->order); - printf("array_width %u\n", meta->array_width); - printf("stripe_shift %u\n", meta->stripe_shift); - printf("type %s\n", ata_raid_hptv2_type(meta->type)); - printf("disk_number %u\n", meta->disk_number); - printf("total_sectors %u\n", meta->total_sectors); - printf("disk_mode 0x%08x\n", meta->disk_mode); - printf("boot_mode 0x%08x\n", meta->boot_mode); - printf("boot_disk 0x%02x\n", meta->boot_disk); - printf("boot_protect 0x%02x\n", meta->boot_protect); - printf("log_entries 0x%02x\n", meta->error_log_entries); - printf("log_index 0x%02x\n", meta->error_log_index); - if (meta->error_log_entries) { - printf(" timestamp reason disk status sectors lba\n"); - for (i = meta->error_log_index; - i < meta->error_log_index + meta->error_log_entries; i++) - printf(" 0x%08x 0x%02x 0x%02x 0x%02x 0x%02x 0x%08x\n", - meta->errorlog[i%32].timestamp, - meta->errorlog[i%32].reason, - meta->errorlog[i%32].disk, meta->errorlog[i%32].status, - meta->errorlog[i%32].sectors, meta->errorlog[i%32].lba); - } - printf("rebuild_lba 0x%08x\n", meta->rebuild_lba); - printf("dummy_1 0x%02x\n", meta->dummy_1); - printf("name_1 <%.15s>\n", meta->name_1); - printf("dummy_2 0x%02x\n", meta->dummy_2); - printf("name_2 <%.15s>\n", meta->name_2); - printf("=================================================\n"); -} - -static char * -ata_raid_hptv3_type(int type) -{ - static char buffer[16]; - - switch (type) { - case HPTV3_T_SPARE: return "SPARE"; - case HPTV3_T_JBOD: return "JBOD"; - case HPTV3_T_SPAN: return "SPAN"; - case HPTV3_T_RAID0: return "RAID0"; - case HPTV3_T_RAID1: return "RAID1"; - case HPTV3_T_RAID3: return "RAID3"; - case HPTV3_T_RAID5: return "RAID5"; - default: sprintf(buffer, "UNKNOWN 0x%02x", type); - return buffer; - } -} - -static void -ata_raid_hptv3_print_meta(struct hptv3_raid_conf *meta) -{ - int i; - - printf("****** ATA Highpoint V3 RocketRAID Metadata *****\n"); - printf("magic 0x%08x\n", meta->magic); - printf("magic_0 0x%08x\n", meta->magic_0); - printf("checksum_0 0x%02x\n", meta->checksum_0); - printf("mode 0x%02x\n", meta->mode); - printf("user_mode 0x%02x\n", meta->user_mode); - printf("config_entries 0x%02x\n", meta->config_entries); - for (i = 0; i < meta->config_entries; i++) { - printf("config %d:\n", i); - printf(" total_sectors %ju\n", - meta->configs[0].total_sectors + - ((u_int64_t)meta->configs_high[0].total_sectors << 32)); - printf(" type %s\n", - ata_raid_hptv3_type(meta->configs[i].type)); - printf(" total_disks %u\n", meta->configs[i].total_disks); - printf(" disk_number %u\n", meta->configs[i].disk_number); - printf(" stripe_shift %u\n", meta->configs[i].stripe_shift); - printf(" status %b\n", meta->configs[i].status, - "\20\2RAID5\1NEED_REBUILD\n"); - printf(" critical_disks %u\n", meta->configs[i].critical_disks); - printf(" rebuild_lba %ju\n", - meta->configs_high[0].rebuild_lba + - ((u_int64_t)meta->configs_high[0].rebuild_lba << 32)); - } - printf("name <%.16s>\n", meta->name); - printf("timestamp 0x%08x\n", meta->timestamp); - printf("description <%.16s>\n", meta->description); - printf("creator <%.16s>\n", meta->creator); - printf("checksum_1 0x%02x\n", meta->checksum_1); - printf("dummy_0 0x%02x\n", meta->dummy_0); - printf("dummy_1 0x%02x\n", meta->dummy_1); - printf("flags %b\n", meta->flags, - "\20\4RCACHE\3WCACHE\2NCQ\1TCQ\n"); - printf("=================================================\n"); -} - -static char * -ata_raid_intel_type(int type) -{ - static char buffer[16]; - - switch (type) { - case INTEL_T_RAID0: return "RAID0"; - case INTEL_T_RAID1: return "RAID1"; - case INTEL_T_RAID5: return "RAID5"; - default: sprintf(buffer, "UNKNOWN 0x%02x", type); - return buffer; - } -} - -static void -ata_raid_intel_print_meta(struct intel_raid_conf *meta) -{ - struct intel_raid_mapping *map; - int i, j; - - printf("********* ATA Intel MatrixRAID Metadata *********\n"); - printf("intel_id <%.24s>\n", meta->intel_id); - printf("version <%.6s>\n", meta->version); - printf("checksum 0x%08x\n", meta->checksum); - printf("config_size 0x%08x\n", meta->config_size); - printf("config_id 0x%08x\n", meta->config_id); - printf("generation 0x%08x\n", meta->generation); - printf("total_disks %u\n", meta->total_disks); - printf("total_volumes %u\n", meta->total_volumes); - printf("DISK# serial disk_sectors disk_id flags\n"); - for (i = 0; i < meta->total_disks; i++ ) { - printf(" %d <%.16s> %u 0x%08x 0x%08x\n", i, - meta->disk[i].serial, meta->disk[i].sectors, - meta->disk[i].id, meta->disk[i].flags); - } - map = (struct intel_raid_mapping *)&meta->disk[meta->total_disks]; - for (j = 0; j < meta->total_volumes; j++) { - printf("name %.16s\n", map->name); - printf("total_sectors %ju\n", map->total_sectors); - printf("state %u\n", map->state); - printf("reserved %u\n", map->reserved); - printf("offset %u\n", map->offset); - printf("disk_sectors %u\n", map->disk_sectors); - printf("stripe_count %u\n", map->stripe_count); - printf("stripe_sectors %u\n", map->stripe_sectors); - printf("status %u\n", map->status); - printf("type %s\n", ata_raid_intel_type(map->type)); - printf("total_disks %u\n", map->total_disks); - printf("magic[0] 0x%02x\n", map->magic[0]); - printf("magic[1] 0x%02x\n", map->magic[1]); - printf("magic[2] 0x%02x\n", map->magic[2]); - for (i = 0; i < map->total_disks; i++ ) { - printf(" disk %d at disk_idx 0x%08x\n", i, map->disk_idx[i]); - } - map = (struct intel_raid_mapping *)&map->disk_idx[map->total_disks]; - } - printf("=================================================\n"); -} - -static char * -ata_raid_ite_type(int type) -{ - static char buffer[16]; - - switch (type) { - case ITE_T_RAID0: return "RAID0"; - case ITE_T_RAID1: return "RAID1"; - case ITE_T_RAID01: return "RAID0+1"; - case ITE_T_SPAN: return "SPAN"; - default: sprintf(buffer, "UNKNOWN 0x%02x", type); - return buffer; - } -} - -static void -ata_raid_ite_print_meta(struct ite_raid_conf *meta) -{ - printf("*** ATA Integrated Technology Express Metadata **\n"); - printf("ite_id <%.40s>\n", meta->ite_id); - printf("timestamp_0 %04x/%02x/%02x %02x:%02x:%02x.%02x\n", - *((u_int16_t *)meta->timestamp_0), meta->timestamp_0[2], - meta->timestamp_0[3], meta->timestamp_0[5], meta->timestamp_0[4], - meta->timestamp_0[7], meta->timestamp_0[6]); - printf("total_sectors %jd\n", meta->total_sectors); - printf("type %s\n", ata_raid_ite_type(meta->type)); - printf("stripe_1kblocks %u\n", meta->stripe_1kblocks); - printf("timestamp_1 %04x/%02x/%02x %02x:%02x:%02x.%02x\n", - *((u_int16_t *)meta->timestamp_1), meta->timestamp_1[2], - meta->timestamp_1[3], meta->timestamp_1[5], meta->timestamp_1[4], - meta->timestamp_1[7], meta->timestamp_1[6]); - printf("stripe_sectors %u\n", meta->stripe_sectors); - printf("array_width %u\n", meta->array_width); - printf("disk_number %u\n", meta->disk_number); - printf("disk_sectors %u\n", meta->disk_sectors); - printf("=================================================\n"); -} - -static char * -ata_raid_jmicron_type(int type) -{ - static char buffer[16]; - - switch (type) { - case JM_T_RAID0: return "RAID0"; - case JM_T_RAID1: return "RAID1"; - case JM_T_RAID01: return "RAID0+1"; - case JM_T_JBOD: return "JBOD"; - case JM_T_RAID5: return "RAID5"; - default: sprintf(buffer, "UNKNOWN 0x%02x", type); - return buffer; - } -} - -static void -ata_raid_jmicron_print_meta(struct jmicron_raid_conf *meta) -{ - int i; - - printf("***** ATA JMicron Technology Corp Metadata ******\n"); - printf("signature %.2s\n", meta->signature); - printf("version 0x%04x\n", meta->version); - printf("checksum 0x%04x\n", meta->checksum); - printf("disk_id 0x%08x\n", meta->disk_id); - printf("offset 0x%08x\n", meta->offset); - printf("disk_sectors_low 0x%08x\n", meta->disk_sectors_low); - printf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high); - printf("name %.16s\n", meta->name); - printf("type %s\n", ata_raid_jmicron_type(meta->type)); - printf("stripe_shift %d\n", meta->stripe_shift); - printf("flags 0x%04x\n", meta->flags); - printf("spare:\n"); - for (i=0; i < 2 && meta->spare[i]; i++) - printf(" %d 0x%08x\n", i, meta->spare[i]); - printf("disks:\n"); - for (i=0; i < 8 && meta->disks[i]; i++) - printf(" %d 0x%08x\n", i, meta->disks[i]); - printf("=================================================\n"); -} - -static char * -ata_raid_lsiv2_type(int type) -{ - static char buffer[16]; - - switch (type) { - case LSIV2_T_RAID0: return "RAID0"; - case LSIV2_T_RAID1: return "RAID1"; - case LSIV2_T_SPARE: return "SPARE"; - default: sprintf(buffer, "UNKNOWN 0x%02x", type); - return buffer; - } -} - -static void -ata_raid_lsiv2_print_meta(struct lsiv2_raid_conf *meta) -{ - int i; - - printf("******* ATA LSILogic V2 MegaRAID Metadata *******\n"); - printf("lsi_id <%s>\n", meta->lsi_id); - printf("dummy_0 0x%02x\n", meta->dummy_0); - printf("flags 0x%02x\n", meta->flags); - printf("version 0x%04x\n", meta->version); - printf("config_entries 0x%02x\n", meta->config_entries); - printf("raid_count 0x%02x\n", meta->raid_count); - printf("total_disks 0x%02x\n", meta->total_disks); - printf("dummy_1 0x%02x\n", meta->dummy_1); - printf("dummy_2 0x%04x\n", meta->dummy_2); - for (i = 0; i < meta->config_entries; i++) { - printf(" type %s\n", - ata_raid_lsiv2_type(meta->configs[i].raid.type)); - printf(" dummy_0 %02x\n", meta->configs[i].raid.dummy_0); - printf(" stripe_sectors %u\n", - meta->configs[i].raid.stripe_sectors); - printf(" array_width %u\n", - meta->configs[i].raid.array_width); - printf(" disk_count %u\n", meta->configs[i].raid.disk_count); - printf(" config_offset %u\n", - meta->configs[i].raid.config_offset); - printf(" dummy_1 %u\n", meta->configs[i].raid.dummy_1); - printf(" flags %02x\n", meta->configs[i].raid.flags); - printf(" total_sectors %u\n", - meta->configs[i].raid.total_sectors); - } - printf("disk_number 0x%02x\n", meta->disk_number); - printf("raid_number 0x%02x\n", meta->raid_number); - printf("timestamp 0x%08x\n", meta->timestamp); - printf("=================================================\n"); -} - -static char * -ata_raid_lsiv3_type(int type) -{ - static char buffer[16]; - - switch (type) { - case LSIV3_T_RAID0: return "RAID0"; - case LSIV3_T_RAID1: return "RAID1"; - default: sprintf(buffer, "UNKNOWN 0x%02x", type); - return buffer; - } -} - -static void -ata_raid_lsiv3_print_meta(struct lsiv3_raid_conf *meta) -{ - int i; - - printf("******* ATA LSILogic V3 MegaRAID Metadata *******\n"); - printf("lsi_id <%.6s>\n", meta->lsi_id); - printf("dummy_0 0x%04x\n", meta->dummy_0); - printf("version 0x%04x\n", meta->version); - printf("dummy_0 0x%04x\n", meta->dummy_1); - printf("RAID configs:\n"); - for (i = 0; i < 8; i++) { - if (meta->raid[i].total_disks) { - printf("%02d stripe_pages %u\n", i, - meta->raid[i].stripe_pages); - printf("%02d type %s\n", i, - ata_raid_lsiv3_type(meta->raid[i].type)); - printf("%02d total_disks %u\n", i, - meta->raid[i].total_disks); - printf("%02d array_width %u\n", i, - meta->raid[i].array_width); - printf("%02d sectors %u\n", i, meta->raid[i].sectors); - printf("%02d offset %u\n", i, meta->raid[i].offset); - printf("%02d device 0x%02x\n", i, - meta->raid[i].device); - } - } - printf("DISK configs:\n"); - for (i = 0; i < 6; i++) { - if (meta->disk[i].disk_sectors) { - printf("%02d disk_sectors %u\n", i, - meta->disk[i].disk_sectors); - printf("%02d flags 0x%02x\n", i, meta->disk[i].flags); - } - } - printf("device 0x%02x\n", meta->device); - printf("timestamp 0x%08x\n", meta->timestamp); - printf("checksum_1 0x%02x\n", meta->checksum_1); - printf("=================================================\n"); -} - -static char * -ata_raid_nvidia_type(int type) -{ - static char buffer[16]; - - switch (type) { - case NV_T_SPAN: return "SPAN"; - case NV_T_RAID0: return "RAID0"; - case NV_T_RAID1: return "RAID1"; - case NV_T_RAID3: return "RAID3"; - case NV_T_RAID5: return "RAID5"; - case NV_T_RAID01: return "RAID0+1"; - default: sprintf(buffer, "UNKNOWN 0x%02x", type); - return buffer; - } -} - -static void -ata_raid_nvidia_print_meta(struct nvidia_raid_conf *meta) -{ - printf("******** ATA nVidia MediaShield Metadata ********\n"); - printf("nvidia_id <%.8s>\n", meta->nvidia_id); - printf("config_size %d\n", meta->config_size); - printf("checksum 0x%08x\n", meta->checksum); - printf("version 0x%04x\n", meta->version); - printf("disk_number %d\n", meta->disk_number); - printf("dummy_0 0x%02x\n", meta->dummy_0); - printf("total_sectors %d\n", meta->total_sectors); - printf("sectors_size %d\n", meta->sector_size); - printf("serial %.16s\n", meta->serial); - printf("revision %.4s\n", meta->revision); - printf("dummy_1 0x%08x\n", meta->dummy_1); - printf("magic_0 0x%08x\n", meta->magic_0); - printf("magic_1 0x%016jx\n", meta->magic_1); - printf("magic_2 0x%016jx\n", meta->magic_2); - printf("flags 0x%02x\n", meta->flags); - printf("array_width %d\n", meta->array_width); - printf("total_disks %d\n", meta->total_disks); - printf("dummy_2 0x%02x\n", meta->dummy_2); - printf("type %s\n", ata_raid_nvidia_type(meta->type)); - printf("dummy_3 0x%04x\n", meta->dummy_3); - printf("stripe_sectors %d\n", meta->stripe_sectors); - printf("stripe_bytes %d\n", meta->stripe_bytes); - printf("stripe_shift %d\n", meta->stripe_shift); - printf("stripe_mask 0x%08x\n", meta->stripe_mask); - printf("stripe_sizesectors %d\n", meta->stripe_sizesectors); - printf("stripe_sizebytes %d\n", meta->stripe_sizebytes); - printf("rebuild_lba %d\n", meta->rebuild_lba); - printf("dummy_4 0x%08x\n", meta->dummy_4); - printf("dummy_5 0x%08x\n", meta->dummy_5); - printf("status 0x%08x\n", meta->status); - printf("=================================================\n"); -} - -static char * -ata_raid_promise_type(int type) -{ - static char buffer[16]; - - switch (type) { - case PR_T_RAID0: return "RAID0"; - case PR_T_RAID1: return "RAID1"; - case PR_T_RAID3: return "RAID3"; - case PR_T_RAID5: return "RAID5"; - case PR_T_SPAN: return "SPAN"; - default: sprintf(buffer, "UNKNOWN 0x%02x", type); - return buffer; - } -} - -static void -ata_raid_promise_print_meta(struct promise_raid_conf *meta) -{ - int i; - - printf("********* ATA Promise FastTrak Metadata *********\n"); - printf("promise_id <%s>\n", meta->promise_id); - printf("dummy_0 0x%08x\n", meta->dummy_0); - printf("magic_0 0x%016jx\n", meta->magic_0); - printf("magic_1 0x%04x\n", meta->magic_1); - printf("magic_2 0x%08x\n", meta->magic_2); - printf("integrity 0x%08x %b\n", meta->raid.integrity, - meta->raid.integrity, "\20\10VALID\n" ); - printf("flags 0x%02x %b\n", - meta->raid.flags, meta->raid.flags, - "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE" - "\3ASSIGNED\2ONLINE\1VALID\n"); - printf("disk_number %d\n", meta->raid.disk_number); - printf("channel 0x%02x\n", meta->raid.channel); - printf("device 0x%02x\n", meta->raid.device); - printf("magic_0 0x%016jx\n", meta->raid.magic_0); - printf("disk_offset %u\n", meta->raid.disk_offset); - printf("disk_sectors %u\n", meta->raid.disk_sectors); - printf("rebuild_lba 0x%08x\n", meta->raid.rebuild_lba); - printf("generation 0x%04x\n", meta->raid.generation); - printf("status 0x%02x %b\n", - meta->raid.status, meta->raid.status, - "\20\6MARKED\5DEGRADED\4READY\3INITED\2ONLINE\1VALID\n"); - printf("type %s\n", ata_raid_promise_type(meta->raid.type)); - printf("total_disks %u\n", meta->raid.total_disks); - printf("stripe_shift %u\n", meta->raid.stripe_shift); - printf("array_width %u\n", meta->raid.array_width); - printf("array_number %u\n", meta->raid.array_number); - printf("total_sectors %u\n", meta->raid.total_sectors); - printf("cylinders %u\n", meta->raid.cylinders); - printf("heads %u\n", meta->raid.heads); - printf("sectors %u\n", meta->raid.sectors); - printf("magic_1 0x%016jx\n", meta->raid.magic_1); - printf("DISK# flags dummy_0 channel device magic_0\n"); - for (i = 0; i < 8; i++) { - printf(" %d %b 0x%02x 0x%02x 0x%02x ", - i, meta->raid.disk[i].flags, - "\20\10READY\7DOWN\6REDIR\5DUPLICATE\4SPARE" - "\3ASSIGNED\2ONLINE\1VALID\n", meta->raid.disk[i].dummy_0, - meta->raid.disk[i].channel, meta->raid.disk[i].device); - printf("0x%016jx\n", meta->raid.disk[i].magic_0); - } - printf("checksum 0x%08x\n", meta->checksum); - printf("=================================================\n"); -} - -static char * -ata_raid_sii_type(int type) -{ - static char buffer[16]; - - switch (type) { - case SII_T_RAID0: return "RAID0"; - case SII_T_RAID1: return "RAID1"; - case SII_T_RAID01: return "RAID0+1"; - case SII_T_SPARE: return "SPARE"; - default: sprintf(buffer, "UNKNOWN 0x%02x", type); - return buffer; - } -} - -static void -ata_raid_sii_print_meta(struct sii_raid_conf *meta) -{ - printf("******* ATA Silicon Image Medley Metadata *******\n"); - printf("total_sectors %ju\n", meta->total_sectors); - printf("dummy_0 0x%04x\n", meta->dummy_0); - printf("dummy_1 0x%04x\n", meta->dummy_1); - printf("controller_pci_id 0x%08x\n", meta->controller_pci_id); - printf("version_minor 0x%04x\n", meta->version_minor); - printf("version_major 0x%04x\n", meta->version_major); - printf("timestamp 20%02x/%02x/%02x %02x:%02x:%02x\n", - meta->timestamp[5], meta->timestamp[4], meta->timestamp[3], - meta->timestamp[2], meta->timestamp[1], meta->timestamp[0]); - printf("stripe_sectors %u\n", meta->stripe_sectors); - printf("dummy_2 0x%04x\n", meta->dummy_2); - printf("disk_number %u\n", meta->disk_number); - printf("type %s\n", ata_raid_sii_type(meta->type)); - printf("raid0_disks %u\n", meta->raid0_disks); - printf("raid0_ident %u\n", meta->raid0_ident); - printf("raid1_disks %u\n", meta->raid1_disks); - printf("raid1_ident %u\n", meta->raid1_ident); - printf("rebuild_lba %ju\n", meta->rebuild_lba); - printf("generation 0x%08x\n", meta->generation); - printf("status 0x%02x %b\n", - meta->status, meta->status, - "\20\1READY\n"); - printf("base_raid1_position %02x\n", meta->base_raid1_position); - printf("base_raid0_position %02x\n", meta->base_raid0_position); - printf("position %02x\n", meta->position); - printf("dummy_3 %04x\n", meta->dummy_3); - printf("name <%.16s>\n", meta->name); - printf("checksum_0 0x%04x\n", meta->checksum_0); - printf("checksum_1 0x%04x\n", meta->checksum_1); - printf("=================================================\n"); -} - -static char * -ata_raid_sis_type(int type) -{ - static char buffer[16]; - - switch (type) { - case SIS_T_JBOD: return "JBOD"; - case SIS_T_RAID0: return "RAID0"; - case SIS_T_RAID1: return "RAID1"; - default: sprintf(buffer, "UNKNOWN 0x%02x", type); - return buffer; - } -} - -static void -ata_raid_sis_print_meta(struct sis_raid_conf *meta) -{ - printf("**** ATA Silicon Integrated Systems Metadata ****\n"); - printf("magic 0x%04x\n", meta->magic); - printf("disks 0x%02x\n", meta->disks); - printf("type %s\n", - ata_raid_sis_type(meta->type_total_disks & SIS_T_MASK)); - printf("total_disks %u\n", meta->type_total_disks & SIS_D_MASK); - printf("dummy_0 0x%08x\n", meta->dummy_0); - printf("controller_pci_id 0x%08x\n", meta->controller_pci_id); - printf("stripe_sectors %u\n", meta->stripe_sectors); - printf("dummy_1 0x%04x\n", meta->dummy_1); - printf("timestamp 0x%08x\n", meta->timestamp); - printf("model %.40s\n", meta->model); - printf("disk_number %u\n", meta->disk_number); - printf("dummy_2 0x%02x 0x%02x 0x%02x\n", - meta->dummy_2[0], meta->dummy_2[1], meta->dummy_2[2]); - printf("=================================================\n"); -} - -static char * -ata_raid_via_type(int type) -{ - static char buffer[16]; - - switch (type) { - case VIA_T_RAID0: return "RAID0"; - case VIA_T_RAID1: return "RAID1"; - case VIA_T_RAID5: return "RAID5"; - case VIA_T_RAID01: return "RAID0+1"; - case VIA_T_SPAN: return "SPAN"; - default: sprintf(buffer, "UNKNOWN 0x%02x", type); - return buffer; - } -} - -static void -ata_raid_via_print_meta(struct via_raid_conf *meta) -{ - int i; - - printf("*************** ATA VIA Metadata ****************\n"); - printf("magic 0x%02x\n", meta->magic); - printf("dummy_0 0x%02x\n", meta->dummy_0); - printf("type %s\n", - ata_raid_via_type(meta->type & VIA_T_MASK)); - printf("bootable %d\n", meta->type & VIA_T_BOOTABLE); - printf("unknown %d\n", meta->type & VIA_T_UNKNOWN); - printf("disk_index 0x%02x\n", meta->disk_index); - printf("stripe_layout 0x%02x\n", meta->stripe_layout); - printf(" stripe_disks %d\n", meta->stripe_layout & VIA_L_DISKS); - printf(" stripe_sectors %d\n", - 0x08 << ((meta->stripe_layout & VIA_L_MASK) >> VIA_L_SHIFT)); - printf("disk_sectors %ju\n", meta->disk_sectors); - printf("disk_id 0x%08x\n", meta->disk_id); - printf("DISK# disk_id\n"); - for (i = 0; i < 8; i++) { - if (meta->disks[i]) - printf(" %d 0x%08x\n", i, meta->disks[i]); - } - printf("checksum 0x%02x\n", meta->checksum); - printf("=================================================\n"); -} |
