1 files changed, 52 insertions, 0 deletions

diff --git a/util-linux/volume_id/lsi_raid.c b/util-linux/volume_id/lsi_raid.c
new file mode 100644
index 000000000..0eab1c709
--- /dev/null
+++ b/util-linux/volume_id/lsi_raid.c
@@ -0,0 +1,52 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *      This library is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU Lesser General Public
+ *      License as published by the Free Software Foundation; either
+ *      version 2.1 of the License, or (at your option) any later version.
+ *
+ *      This library is distributed in the hope that it will be useful,
+ *      but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ *      Lesser General Public License for more details.
+ *
+ *      You should have received a copy of the GNU Lesser General Public
+ *      License along with this library; if not, write to the Free Software
+ *      Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "volume_id_internal.h"
+
+struct lsi_meta {
+        uint8_t         sig[6];
+} __attribute__((packed));
+
+#define LSI_SIGNATURE           "$XIDE$"
+
+int volume_id_probe_lsi_mega_raid(struct volume_id *id, uint64_t off, uint64_t size)
+{
+        uint64_t meta_off;
+        struct lsi_meta *lsi;
+
+        dbg("probing at offset 0x%llx, size 0x%llx",
+            (unsigned long long) off, (unsigned long long) size);
+
+        if (size < 0x10000)
+                return -1;
+
+        meta_off = ((size / 0x200)-1) * 0x200;
+        lsi = volume_id_get_buffer(id, off + meta_off, 0x200);
+        if (lsi == NULL)
+                return -1;
+
+        if (memcmp(lsi->sig, LSI_SIGNATURE, sizeof(LSI_SIGNATURE)-1) != 0)
+                return -1;
+
+        volume_id_set_usage(id, VOLUME_ID_RAID);
+        id->type = "lsi_mega_raid_member";
+
+        return 0;
+}