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authorKay Sievers <kay.sievers@suse.de>2006-03-27 18:05:17 +0200
committerKay Sievers <kay.sievers@suse.de>2006-03-27 18:05:17 +0200
commit83cc6ab4760817509f1ed1ee429669e563f82caf (patch)
tree1d9ef7edcae7678f356c19e0b85c09f094576454 /extras/volume_id/lib/highpoint.c
parentb5e694267142042228a6cac99ecad6c4b4ef8759 (diff)
volume_id: rename subdirectory
Diffstat (limited to 'extras/volume_id/lib/highpoint.c')
-rw-r--r--extras/volume_id/lib/highpoint.c96
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;
+}