102 lines
2.6 KiB
C
102 lines
2.6 KiB
C
/*
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* Copyright (C) 2009 Mike Hommey <mh@glandium.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 "superblocks.h"
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struct vmfs_fs_info {
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uint32_t magic;
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uint32_t volume_version;
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uint8_t version;
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uint8_t uuid[16];
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uint32_t mode;
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char label[128];
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} __attribute__ ((__packed__));
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struct vmfs_volume_info {
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uint32_t magic;
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uint32_t ver;
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uint8_t irrelevant[122];
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uint8_t uuid[16];
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} __attribute__ ((__packed__));
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static int probe_vmfs_fs(blkid_probe pr, const struct blkid_idmag *mag)
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{
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struct vmfs_fs_info *header;
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header = blkid_probe_get_sb(pr, mag, struct vmfs_fs_info);
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if (header == NULL)
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return -1;
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blkid_probe_sprintf_uuid(pr, (unsigned char *) header->uuid, 16,
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"%02x%02x%02x%02x-%02x%02x%02x%02x-"
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"%02x%02x-%02x%02x%02x%02x%02x%02x",
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header->uuid[3], header->uuid[2], header->uuid[1],
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header->uuid[0], header->uuid[7], header->uuid[6],
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header->uuid[5], header->uuid[4], header->uuid[9],
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header->uuid[8], header->uuid[10], header->uuid[11],
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header->uuid[12], header->uuid[13], header->uuid[14],
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header->uuid[15]);
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blkid_probe_set_label(pr, (unsigned char *) header->label,
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sizeof(header->label));
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blkid_probe_sprintf_version(pr, "%u", header->version);
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return 0;
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}
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static int probe_vmfs_volume(blkid_probe pr, const struct blkid_idmag *mag)
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{
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struct vmfs_volume_info *header;
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unsigned char *lvm_uuid;
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header = blkid_probe_get_sb(pr, mag, struct vmfs_volume_info);
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if (header == NULL)
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return -1;
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blkid_probe_sprintf_value(pr, "UUID_SUB",
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"%02x%02x%02x%02x-%02x%02x%02x%02x-"
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"%02x%02x-%02x%02x%02x%02x%02x%02x",
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header->uuid[3], header->uuid[2], header->uuid[1],
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header->uuid[0], header->uuid[7], header->uuid[6],
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header->uuid[5], header->uuid[4], header->uuid[9],
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header->uuid[8], header->uuid[10], header->uuid[11],
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header->uuid[12], header->uuid[13], header->uuid[14],
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header->uuid[15]);
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blkid_probe_sprintf_version(pr, "%u", le32_to_cpu(header->ver));
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lvm_uuid = blkid_probe_get_buffer(pr,
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1024 * 1024 /* Start of the volume info */
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+ 512 /* Offset to lvm info */
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+ 20 /* Offset in lvm info */, 35);
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if (lvm_uuid)
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blkid_probe_strncpy_uuid(pr, lvm_uuid, 35);
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return 0;
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}
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const struct blkid_idinfo vmfs_fs_idinfo =
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{
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.name = "VMFS",
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.usage = BLKID_USAGE_FILESYSTEM,
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.probefunc = probe_vmfs_fs,
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.magics =
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{
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{ .magic = "\x5e\xf1\xab\x2f", .len = 4, .kboff = 2048 },
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{ NULL }
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}
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};
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const struct blkid_idinfo vmfs_volume_idinfo =
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{
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.name = "VMFS_volume_member",
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.usage = BLKID_USAGE_RAID,
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.probefunc = probe_vmfs_volume,
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.magics =
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{
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{ .magic = "\x0d\xd0\x01\xc0", .len = 4, .kboff = 1024 },
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{ NULL }
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}
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};
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