1 files changed, 96 insertions, 0 deletions
diff --git a/extras/volume_id/lib/highpoint.c b/extras/volume_id/lib/highpoint.c
new file mode 100644
index 0000000000..deba540ad5
--- /dev/null
+++ b/extras/volume_id/lib/highpoint.c
@@ -0,0 +1,96 @@
+/*
+ * volume_id - reads filesystem label and uuid
+ *
+ * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ *	This program 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 version 2 of the License.
+ */
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <ctype.h>
+
+#include "libvolume_id.h"
+#include "util.h"
+
+struct hpt37x_meta {
+	uint8_t		filler1[32];
+	uint32_t	magic;
+} PACKED;
+
+struct hpt45x_meta {
+	uint32_t	magic;
+} PACKED;
+
+#define HPT37X_CONFIG_OFF		0x1200
+#define HPT37X_MAGIC_OK			0x5a7816f0
+#define HPT37X_MAGIC_BAD		0x5a7816fd
+
+#define HPT45X_MAGIC_OK			0x5a7816f3
+#define HPT45X_MAGIC_BAD		0x5a7816fd
+
+
+int volume_id_probe_highpoint_37x_raid(struct volume_id *id, uint64_t off)
+{
+	const uint8_t *buf;
+	struct hpt37x_meta *hpt;
+	uint32_t magic;
+
+	dbg("probing at offset 0x%llx", (unsigned long long) off);
+
+	buf = volume_id_get_buffer(id, off + HPT37X_CONFIG_OFF, 0x200);
+	if (buf == NULL)
+		return -1;
+
+	hpt = (struct hpt37x_meta *) buf;
+	magic = le32_to_cpu(hpt->magic);
+	if (magic != HPT37X_MAGIC_OK && magic != HPT37X_MAGIC_BAD)
+		return -1;
+
+	volume_id_set_usage(id, VOLUME_ID_RAID);
+	id->type = "highpoint_raid_member";
+
+	return 0;
+}
+
+int volume_id_probe_highpoint_45x_raid(struct volume_id *id, uint64_t off, uint64_t size)
+{
+	const uint8_t *buf;
+	struct hpt45x_meta *hpt;
+	uint64_t meta_off;
+	uint32_t magic;
+
+	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)-11) * 0x200;
+	buf = volume_id_get_buffer(id, off + meta_off, 0x200);
+	if (buf == NULL)
+		return -1;
+
+	hpt = (struct hpt45x_meta *) buf;
+	magic = le32_to_cpu(hpt->magic);
+	if (magic != HPT45X_MAGIC_OK && magic != HPT45X_MAGIC_BAD)
+		return -1;
+
+	volume_id_set_usage(id, VOLUME_ID_RAID);
+	id->type = "highpoint_raid_member";
+
+	return 0;
+}