--- /dev/null
+/*
+ * Copyright (C) 2008 Karel Zak <kzak@redhat.com>
+ * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This file 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 General Public License for more details.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+#include <stdint.h>
+
+#include "blkidP.h"
+
+struct promise_meta {
+ uint8_t sig[24];
+};
+
+#define PDC_CONFIG_OFF 0x1200
+#define PDC_SIGNATURE "Promise Technology, Inc."
+
+static int probe_pdcraid(blkid_probe pr, const struct blkid_idmag *mag)
+{
+ unsigned int i;
+ static unsigned int sectors[] = {
+ 63, 255, 256, 16, 399, 0
+ };
+
+ if (pr->size < 0x40000)
+ return -1;
+
+ for (i = 0; sectors[i] != 0; i++) {
+ uint64_t meta_off;
+ struct promise_meta *pdc;
+
+ meta_off = ((pr->size / 0x200) - sectors[i]) * 0x200;
+ pdc = (struct promise_meta *)
+ blkid_probe_get_buffer(pr, meta_off, 0x200);
+ if (!pdc)
+ return -1;
+
+ if (memcmp(pdc->sig, PDC_SIGNATURE,
+ sizeof(PDC_SIGNATURE) - 1) == 0)
+ return 0;
+ }
+ return -1;
+}
+
+const struct blkid_idinfo pdcraid_idinfo = {
+ .name = "promise_fasttrack_raid_member",
+ .usage = BLKID_USAGE_RAID,
+ .probefunc = probe_pdcraid
+};
+
+