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/*
* Copyright (C) 2008 Karel Zak <kzak@redhat.com>
*
* Inspired by libvolume_id by
* Kay Sievers <kay.sievers@vrfy.org>
*
* This file may be redistributed under the terms of the
* GNU Lesser General Public License.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <stdint.h>
#include "superblocks.h"
struct adaptec_metadata {
uint32_t b0idcode;
uint8_t lunsave[8];
uint16_t sdtype;
uint16_t ssavecyl;
uint8_t ssavehed;
uint8_t ssavesec;
uint8_t sb0flags;
uint8_t jbodEnable;
uint8_t lundsave;
uint8_t svpdirty;
uint16_t biosInfo;
uint16_t svwbskip;
uint16_t svwbcln;
uint16_t svwbmax;
uint16_t res3;
uint16_t svwbmin;
uint16_t res4;
uint16_t svrcacth;
uint16_t svwcacth;
uint16_t svwbdly;
uint8_t svsdtime;
uint8_t res5;
uint16_t firmval;
uint16_t firmbln;
uint32_t firmblk;
uint32_t fstrsvrb;
uint16_t svBlockStorageTid;
uint16_t svtid;
uint8_t svseccfl;
uint8_t res6;
uint8_t svhbanum;
uint8_t resver;
uint32_t drivemagic;
uint8_t reserved[20];
uint8_t testnum;
uint8_t testflags;
uint16_t maxErrorCount;
uint32_t count;
uint32_t startTime;
uint32_t interval;
uint8_t tstxt0;
uint8_t tstxt1;
uint8_t serNum[32];
uint8_t res8[102];
uint32_t fwTestMagic;
uint32_t fwTestSeqNum;
uint8_t fwTestRes[8];
uint32_t smagic;
uint32_t raidtbl;
uint16_t raidline;
uint8_t res9[0xF6];
} __attribute__((packed));
#define AD_SIGNATURE 0x4450544D /* "DPTM" */
#define AD_MAGIC 0x37FC4D1E
static int probe_adraid(blkid_probe pr,
const struct blkid_idmag *mag __attribute__((__unused__)))
{
uint64_t off;
struct adaptec_metadata *ad;
if (pr->size < 0x10000)
return BLKID_PROBE_NONE;
if (!S_ISREG(pr->mode) && !blkid_probe_is_wholedisk(pr))
return BLKID_PROBE_NONE;
off = ((pr->size / 0x200)-1) * 0x200;
ad = (struct adaptec_metadata *)
blkid_probe_get_buffer(pr,
off,
sizeof(struct adaptec_metadata));
if (!ad)
return errno ? -errno : BLKID_PROBE_NONE;;
if (ad->smagic != be32_to_cpu(AD_SIGNATURE))
return BLKID_PROBE_NONE;
if (ad->b0idcode != be32_to_cpu(AD_MAGIC))
return BLKID_PROBE_NONE;
if (blkid_probe_sprintf_version(pr, "%u", ad->resver) != 0)
return BLKID_PROBE_NONE;
if (blkid_probe_set_magic(pr, off, sizeof(ad->b0idcode),
(unsigned char *) &ad->b0idcode))
return BLKID_PROBE_NONE;
return BLKID_PROBE_OK;
}
const struct blkid_idinfo adraid_idinfo = {
.name = "adaptec_raid_member",
.usage = BLKID_USAGE_RAID,
.probefunc = probe_adraid,
.magics = BLKID_NONE_MAGIC
};
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