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/*
* volume_id - reads filesystem label and uuid
*
* Copyright (C) 2006 Kay Sievers <kay.sievers@vrfy.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation version 2 of the License.
*/
#ifndef _GNU_SOURCE
#define _GNU_SOURCE 1
#endif
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
#include "libvolume_id.h"
#include "util.h"
struct adaptec_meta {
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];
uint8_t smagic[4];
uint32_t raidtbl;
uint16_t raidline;
uint8_t res9[0xF6];
} PACKED;
int volume_id_probe_adaptec_raid(struct volume_id *id, uint64_t off, uint64_t size)
{
const uint8_t *buf;
uint64_t meta_off;
struct adaptec_meta *ad;
info("probing at offset 0x%llx, size 0x%llx\n",
(unsigned long long) off, (unsigned long long) size);
if (size < 0x10000)
return -1;
meta_off = ((size / 0x200)-1) * 0x200;
buf = volume_id_get_buffer(id, off + meta_off, 0x200);
if (buf == NULL)
return -1;
ad = (struct adaptec_meta *) buf;
if (memcmp(ad->smagic, "DPTM", 4) != 0)
return -1;
if (ad->b0idcode != be32_to_cpu(0x37FC4D1E))
return -1;
volume_id_set_usage(id, VOLUME_ID_RAID);
snprintf(id->type_version, sizeof(id->type_version)-1, "%u", ad->resver);
id->type = "adaptec_raid_member";
return 0;
}
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