Basic support for RAID0 and RAID1 for the Adaptec HostRAID format as found
on the Intel 6300ESB on-board RAID. Adapted from FreeBSD.
This commit is contained in:
briggs
parent
5c1f94f81d
commit
b0366b2ebd
@ -1,4 +1,4 @@
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/* $NetBSD: ata_raid.c,v 1.12 2005/05/29 22:11:28 christos Exp $ */
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/* $NetBSD: ata_raid.c,v 1.13 2005/06/20 02:11:57 briggs Exp $ */
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/*
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* Copyright (c) 2003 Wasabi Systems, Inc.
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@ -40,7 +40,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: ata_raid.c,v 1.12 2005/05/29 22:11:28 christos Exp $");
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__KERNEL_RCSID(0, "$NetBSD: ata_raid.c,v 1.13 2005/06/20 02:11:57 briggs Exp $");
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#include <sys/param.h>
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#include <sys/buf.h>
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@ -259,6 +259,8 @@ ata_raid_check_component(struct device *self)
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{
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struct wd_softc *sc = (void *) self;
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if (ata_raid_read_config_adaptec(sc) == 0)
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return;
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if (ata_raid_read_config_promise(sc) == 0)
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return;
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}
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187
sys/dev/ata/ata_raid_adaptec.c
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187
sys/dev/ata/ata_raid_adaptec.c
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@ -0,0 +1,187 @@
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/* $NetBSD: ata_raid_adaptec.c,v 1.1 2005/06/20 02:11:57 briggs Exp $ */
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/*-
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* Copyright (c) 2000,2001,2002 Søren Schmidt <sos@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Support for parsing Adaptec ATA RAID controller configuration blocks.
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*
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* Adapted to NetBSD by Allen K. Briggs
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: ata_raid_adaptec.c,v 1.1 2005/06/20 02:11:57 briggs Exp $");
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#include <sys/param.h>
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#include <sys/buf.h>
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#include <sys/bufq.h>
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#include <sys/conf.h>
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#include <sys/device.h>
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#include <sys/disk.h>
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#include <sys/disklabel.h>
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#include <sys/fcntl.h>
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#include <sys/malloc.h>
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#include <sys/vnode.h>
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#include <miscfs/specfs/specdev.h>
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#include <dev/ata/atareg.h>
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#include <dev/ata/atavar.h>
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#include <dev/ata/wdvar.h>
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#include <dev/ata/ata_raidreg.h>
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#include <dev/ata/ata_raidvar.h>
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#ifdef ATA_RAID_DEBUG
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#define DPRINTF(x) printf x
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#else
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#define DPRINTF(x) /* nothing */
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#endif
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int
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ata_raid_read_config_adaptec(struct wd_softc *sc)
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{
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struct adaptec_raid_conf *info;
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struct atabus_softc *atabus;
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struct vnode *vp;
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int bmajor, error;
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dev_t dev;
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uint32_t gen, drive;
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struct ataraid_array_info *aai;
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struct ataraid_disk_info *adi;
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info = malloc(sizeof(*info), M_DEVBUF, M_WAITOK);
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bmajor = devsw_name2blk(sc->sc_dev.dv_xname, NULL, 0);
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/* Get a vnode for the raw partition of this disk. */
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dev = MAKEDISKDEV(bmajor, sc->sc_dev.dv_unit, RAW_PART);
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error = bdevvp(dev, &vp);
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if (error)
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goto out;
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error = VOP_OPEN(vp, FREAD, NOCRED, 0);
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if (error) {
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vput(vp);
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goto out;
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}
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error = ata_raid_config_block_rw(vp, ADP_LBA(sc), info,
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sizeof(*info), B_READ);
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vput(vp);
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if (error) {
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printf("%s: error %d reading Adaptec config block\n",
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sc->sc_dev.dv_xname, error);
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goto out;
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}
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info->magic_0 = be32toh(info->magic_0);
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info->magic_1 = be32toh(info->magic_1);
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info->magic_2 = be32toh(info->magic_2);
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info->magic_3 = be32toh(info->magic_3);
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info->magic_4 = be32toh(info->magic_4);
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/* Check the signature. */
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if (info->magic_0 != ADP_MAGIC_0 || info->magic_3 != ADP_MAGIC_3) {
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DPRINTF(("%s: Adaptec signature check failed\n",
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sc->sc_dev.dv_xname));
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error = ESRCH;
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goto out;
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}
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/*
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* Lookup or allocate a new array info structure for
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* this array.
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*/
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aai = ata_raid_get_array_info(ATA_RAID_TYPE_ADAPTEC,
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be32toh(info->configs[0].disk_number));
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gen = be32toh(info->generation);
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if (gen == 0 || gen > aai->aai_generation) {
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aai->aai_generation = gen;
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aai->aai_status = AAI_S_READY;
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switch (info->configs[0].type) {
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case ADP_T_RAID0:
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aai->aai_level = AAI_L_RAID0;
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aai->aai_interleave =
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(be16toh(info->configs[0].stripe_sectors) >> 1);
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aai->aai_width = be16toh(info->configs[0].total_disks);
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break;
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case ADP_T_RAID1:
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aai->aai_level = AAI_L_RAID1;
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aai->aai_interleave = 0;
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aai->aai_width = be16toh(info->configs[0].total_disks)
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/ 2;
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break;
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default:
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aprint_error("%s: unknown Adaptec RAID type 0x%02x\n",
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sc->sc_dev.dv_xname, info->configs[0].type);
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error = EINVAL;
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goto out;
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}
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aai->aai_type = ATA_RAID_TYPE_ADAPTEC;
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aai->aai_ndisks = be16toh(info->configs[0].total_disks);
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aai->aai_capacity = be32toh(info->configs[0].sectors);
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aai->aai_heads = 255;
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aai->aai_sectors = 63;
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aai->aai_cylinders = aai->aai_capacity / (63 * 255);
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aai->aai_offset = 0;
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aai->aai_reserved = 17;
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/* XXX - bogus. RAID1 shouldn't really have an interleave */
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if (aai->aai_interleave == 0)
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aai->aai_interleave = aai->aai_capacity;
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}
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atabus = (struct atabus_softc *) sc->sc_dev.dv_parent;
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drive = atabus->sc_chan->ch_channel;
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if (drive >= aai->aai_ndisks) {
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aprint_error("%s: drive number %d doesn't make sense within "
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"%d-disk array\n",
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sc->sc_dev.dv_xname, drive, aai->aai_ndisks);
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error = EINVAL;
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goto out;
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}
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adi = &aai->aai_disks[drive];
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adi->adi_dev = &sc->sc_dev;
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adi->adi_status = ADI_S_ONLINE | ADI_S_ASSIGNED;
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adi->adi_sectors = aai->aai_capacity;
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adi->adi_compsize = be32toh(info->configs[drive+1].sectors);
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error = 0;
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out:
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free(info, M_DEVBUF);
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return (error);
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: ata_raidreg.h,v 1.1 2003/01/27 18:21:28 thorpej Exp $ */
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/* $NetBSD: ata_raidreg.h,v 1.2 2005/06/20 02:11:57 briggs Exp $ */
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/*-
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* Copyright (c) 2000,2001,2002 Søren Schmidt <sos@FreeBSD.org>
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@ -110,4 +110,64 @@ struct promise_raid_conf {
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uint32_t checksum;
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} __attribute__((__packed__));
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/*
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* Macro to compute the LBA of the Adaptec HostRAID configuration structure,
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* using the disk's softc structure.
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*/
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#define ADP_LBA(wd) \
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((wd)->sc_capacity - 17)
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struct adaptec_raid_conf {
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uint32_t magic_0;
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#define ADP_MAGIC_0 0x900765c4
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uint32_t generation;
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uint16_t dummy_0;
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uint16_t total_configs;
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uint16_t dummy_1;
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uint16_t checksum;
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uint32_t dummy_2;
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uint32_t dummy_3;
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uint32_t flags;
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uint32_t timestamp;
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uint32_t dummy_4[4];
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uint32_t dummy_5[4];
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struct {
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uint16_t total_disks;
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uint16_t generation;
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uint32_t magic_0;
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uint8_t dummy_0;
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uint8_t type;
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#define ADP_T_RAID0 0x00
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#define ADP_T_RAID1 0x01
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uint8_t dummy_1;
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uint8_t flags;
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uint8_t dummy_2;
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uint8_t dummy_3;
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uint8_t dummy_4;
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uint8_t dummy_5;
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uint32_t disk_number;
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uint32_t dummy_6;
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uint32_t sectors;
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uint16_t stripe_sectors;
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uint16_t dummy_7;
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uint32_t dummy_8[4];
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uint8_t name[16];
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} configs[127];
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uint32_t dummy_6[13];
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uint32_t magic_1;
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#define ADP_MAGIC_1 0x0950f89f
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uint32_t dummy_7[3];
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uint32_t magic_2;
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uint32_t dummy_8[46];
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uint32_t magic_3;
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#define ADP_MAGIC_3 0x4450544d
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uint32_t magic_4;
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#define ADP_MAGIC_4 0x0950f89f
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uint32_t dummy_9[62];
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} __attribute__((__packed__));
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#endif /* _DEV_PCI_PCIIDE_PROMISE_RAID_H_ */
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@ -1,4 +1,4 @@
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/* $NetBSD: ata_raidvar.h,v 1.1 2003/01/27 18:21:28 thorpej Exp $ */
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/* $NetBSD: ata_raidvar.h,v 1.2 2005/06/20 02:11:57 briggs Exp $ */
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/*
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* Copyright (c) 2003 Wasabi Systems, Inc.
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@ -46,7 +46,8 @@
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* sorted.
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*/
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#define ATA_RAID_TYPE_PROMISE 0
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#define ATA_RAID_TYPE_MAX 0
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#define ATA_RAID_TYPE_ADAPTEC 1
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#define ATA_RAID_TYPE_MAX 1
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/*
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* Max # of disks supported by a single array. This is limited by
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@ -118,4 +119,7 @@ int ata_raid_config_block_rw(struct vnode *, daddr_t, void *,
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/* Promise RAID support */
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int ata_raid_read_config_promise(struct wd_softc *);
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/* Adaptec HostRAID support */
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int ata_raid_read_config_adaptec(struct wd_softc *);
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#endif /* _DEV_ATA_ATA_RAIDVAR_H_ */
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@ -1,4 +1,4 @@
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# $NetBSD: files.ata,v 1.11 2004/08/30 09:34:41 drochner Exp $
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# $NetBSD: files.ata,v 1.12 2005/06/20 02:11:57 briggs Exp $
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#
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# Config file and device description for machine-independent devices
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# which attach to ATA busses. Included by ports that need it. Ports
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@ -19,6 +19,7 @@ file dev/ata/ata.c (ata_hl | atapi) & atabus
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defpseudo ataraid {[vendtype = -1], [unit = -1]}
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file dev/ata/ata_raid.c ataraid needs-flag
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file dev/ata/ata_raid_promise.c ataraid
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file dev/ata/ata_raid_adaptec.c ataraid
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attach ld at ataraid with ld_ataraid
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file dev/ata/ld_ataraid.c ld_ataraid
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