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-rw-r--r--libblkid/vmfs.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/libblkid/vmfs.c b/libblkid/vmfs.c
new file mode 100644
index 000000000..ead09a8d1
--- /dev/null
+++ b/libblkid/vmfs.c
@@ -0,0 +1,101 @@
+/*
+ * 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)
+{
+ struct vmfs_fs_info *header;
+
+ header = blkid_probe_get_sb(pr, mag, struct vmfs_fs_info);
+ if (header == NULL)
+ return -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)
+{
+ struct vmfs_volume_info *header;
+ unsigned char *lvm_uuid;
+
+ header = blkid_probe_get_sb(pr, mag, struct vmfs_volume_info);
+ if (header == NULL)
+ return -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 }
+ }
+};