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Viewing changes to shlibs/blkid/src/superblocks/adaptec_raid.c

  • Committer: Package Import Robot
  • Author(s): LaMont Jones
  • Date: 2011-11-03 15:38:23 UTC
  • mto: (4.5.5 sid) (1.6.4)
  • mto: This revision was merged to the branch mainline in revision 85.
  • Revision ID: package-import@ubuntu.com-20111103153823-10sx16jprzxlhkqf
Import upstream version 2.20.1

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shlibs/blkid/src/superblocks/adaptec_raid.c
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/*
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 * Copyright (C) 2008 Karel Zak <kzak@redhat.com>
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 *
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 * Inspired by libvolume_id by
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 *     Kay Sievers <kay.sievers@vrfy.org>
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 *
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 * This file may be redistributed under the terms of the
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 * GNU Lesser General Public License.
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 */
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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 <stdint.h>
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#include "superblocks.h"
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struct adaptec_metadata {
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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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        uint32_t        smagic;
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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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} __attribute__((packed));
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#define AD_SIGNATURE    0x4450544D      /* "DPTM" */
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#define AD_MAGIC        0x37FC4D1E
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static int probe_adraid(blkid_probe pr, const struct blkid_idmag *mag)
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{
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        uint64_t off;
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        struct adaptec_metadata *ad;
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        if (pr->size < 0x10000)
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                return -1;
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        if (!S_ISREG(pr->mode) && !blkid_probe_is_wholedisk(pr))
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                return -1;
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        off = ((pr->size / 0x200)-1) * 0x200;
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        ad = (struct adaptec_metadata *)
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                        blkid_probe_get_buffer(pr,
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                                        off,
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                                        sizeof(struct adaptec_metadata));
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        if (!ad)
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                return -1;
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        if (ad->smagic != be32_to_cpu(AD_SIGNATURE))
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                return -1;
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        if (ad->b0idcode != be32_to_cpu(AD_MAGIC))
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                return -1;
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        if (blkid_probe_sprintf_version(pr, "%u", ad->resver) != 0)
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                return -1;
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        if (blkid_probe_set_magic(pr, off, sizeof(ad->b0idcode),
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                                (unsigned char *) &ad->b0idcode))
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                return -1;
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        return 0;
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}
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const struct blkid_idinfo adraid_idinfo = {
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        .name           = "adaptec_raid_member",
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        .usage          = BLKID_USAGE_RAID,
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        .probefunc      = probe_adraid,
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        .magics         = BLKID_NONE_MAGIC
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};
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