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-rw-r--r--libblkid/src/superblocks/lsi_raid.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/libblkid/src/superblocks/lsi_raid.c b/libblkid/src/superblocks/lsi_raid.c
new file mode 100644
index 0000000..697b0fe
--- /dev/null
+++ b/libblkid/src/superblocks/lsi_raid.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2008 Karel Zak <kzak@redhat.com>
+ *
+ * Inspired by libvolume_id by
+ * Kay Sievers <kay.sievers@vrfy.org>
+ *
+ * This file may be redistributed under the terms of the
+ * GNU Lesser General Public License.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdint.h>
+
+#include "superblocks.h"
+
+struct lsi_metadata {
+ uint8_t sig[6];
+};
+
+
+#define LSI_SIGNATURE "$XIDE$"
+
+static int probe_lsiraid(blkid_probe pr,
+ const struct blkid_idmag *mag __attribute__((__unused__)))
+{
+ uint64_t off;
+ struct lsi_metadata *lsi;
+
+ if (pr->size < 0x10000)
+ return 1;
+ if (!S_ISREG(pr->mode) && !blkid_probe_is_wholedisk(pr))
+ return 1;
+
+ off = ((pr->size / 0x200) - 1) * 0x200;
+ lsi = (struct lsi_metadata *)
+ blkid_probe_get_buffer(pr,
+ off,
+ sizeof(struct lsi_metadata));
+ if (!lsi)
+ return errno ? -errno : 1;
+
+ if (memcmp(lsi->sig, LSI_SIGNATURE, sizeof(LSI_SIGNATURE)-1) != 0)
+ return 1;
+ if (blkid_probe_set_magic(pr, off, sizeof(lsi->sig),
+ (unsigned char *) lsi->sig))
+ return 1;
+ return 0;
+}
+
+const struct blkid_idinfo lsiraid_idinfo = {
+ .name = "lsi_mega_raid_member",
+ .usage = BLKID_USAGE_RAID,
+ .probefunc = probe_lsiraid,
+ .magics = BLKID_NONE_MAGIC
+};
+
+