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