70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
/*
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* volume_id - reads filesystem label and uuid
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*
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* Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "volume_id_internal.h"
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struct silicon_meta {
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uint8_t unknown0[0x2E];
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uint8_t ascii_version[0x36 - 0x2E];
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uint8_t diskname[0x56 - 0x36];
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uint8_t unknown1[0x60 - 0x56];
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uint32_t magic;
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uint32_t unknown1a[0x6C - 0x64];
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uint32_t array_sectors_low;
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uint32_t array_sectors_high;
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uint8_t unknown2[0x78 - 0x74];
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uint32_t thisdisk_sectors;
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uint8_t unknown3[0x100 - 0x7C];
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uint8_t unknown4[0x104 - 0x100];
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uint16_t product_id;
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uint16_t vendor_id;
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uint16_t minor_ver;
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uint16_t major_ver;
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} PACKED;
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#define SILICON_MAGIC 0x2F000000
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int FAST_FUNC volume_id_probe_silicon_medley_raid(struct volume_id *id, uint64_t off, uint64_t size)
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{
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uint64_t meta_off;
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struct silicon_meta *sil;
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dbg("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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sil = volume_id_get_buffer(id, off + meta_off, 0x200);
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if (sil == NULL)
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return -1;
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if (sil->magic != cpu_to_le32(SILICON_MAGIC))
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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.%u",
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// le16_to_cpu(sil->major_ver), le16_to_cpu(sil->minor_ver));
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// id->type = "silicon_medley_raid_member";
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return 0;
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}
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