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113 lines
2.3 KiB
C
113 lines
2.3 KiB
C
/*
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* volume_id - reads filesystem label and uuid
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*
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* Copyright (C) 2006 Kay Sievers <kay.sievers@vrfy.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation version 2 of the License.
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*/
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE 1
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#endif
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <ctype.h>
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#include "libvolume_id.h"
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#include "util.h"
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struct adaptec_meta {
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uint32_t b0idcode;
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uint8_t lunsave[8];
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uint16_t sdtype;
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uint16_t ssavecyl;
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uint8_t ssavehed;
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uint8_t ssavesec;
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uint8_t sb0flags;
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uint8_t jbodEnable;
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uint8_t lundsave;
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uint8_t svpdirty;
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uint16_t biosInfo;
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uint16_t svwbskip;
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uint16_t svwbcln;
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uint16_t svwbmax;
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uint16_t res3;
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uint16_t svwbmin;
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uint16_t res4;
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uint16_t svrcacth;
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uint16_t svwcacth;
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uint16_t svwbdly;
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uint8_t svsdtime;
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uint8_t res5;
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uint16_t firmval;
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uint16_t firmbln;
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uint32_t firmblk;
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uint32_t fstrsvrb;
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uint16_t svBlockStorageTid;
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uint16_t svtid;
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uint8_t svseccfl;
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uint8_t res6;
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uint8_t svhbanum;
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uint8_t resver;
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uint32_t drivemagic;
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uint8_t reserved[20];
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uint8_t testnum;
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uint8_t testflags;
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uint16_t maxErrorCount;
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uint32_t count;
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uint32_t startTime;
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uint32_t interval;
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uint8_t tstxt0;
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uint8_t tstxt1;
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uint8_t serNum[32];
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uint8_t res8[102];
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uint32_t fwTestMagic;
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uint32_t fwTestSeqNum;
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uint8_t fwTestRes[8];
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uint8_t smagic[4];
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uint32_t raidtbl;
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uint16_t raidline;
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uint8_t res9[0xF6];
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} PACKED;
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int volume_id_probe_adaptec_raid(struct volume_id *id, uint64_t off, uint64_t size)
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{
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const uint8_t *buf;
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uint64_t meta_off;
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struct adaptec_meta *ad;
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info("probing at offset 0x%llx, size 0x%llx",
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(unsigned long long) off, (unsigned long long) size);
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if (size < 0x10000)
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return -1;
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meta_off = ((size / 0x200)-1) * 0x200;
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buf = volume_id_get_buffer(id, off + meta_off, 0x200);
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if (buf == NULL)
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return -1;
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ad = (struct adaptec_meta *) buf;
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if (memcmp(ad->smagic, "DPTM", 4) != 0)
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return -1;
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if (ad->b0idcode != be32_to_cpu(0x37FC4D1E))
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return -1;
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volume_id_set_usage(id, VOLUME_ID_RAID);
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snprintf(id->type_version, sizeof(id->type_version)-1, "%u", ad->resver);
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id->type = "adaptec_raid_member";
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return 0;
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}
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