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-rw-r--r--libblkid/highpoint_raid.c87
1 files changed, 87 insertions, 0 deletions
diff --git a/libblkid/highpoint_raid.c b/libblkid/highpoint_raid.c
new file mode 100644
index 000000000..0b41344ae
--- /dev/null
+++ b/libblkid/highpoint_raid.c
@@ -0,0 +1,87 @@
+/*
+ * 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 hpt45x_metadata {
+ uint32_t magic;
+};
+
+#define HPT45X_MAGIC_OK 0x5a7816f3
+#define HPT45X_MAGIC_BAD 0x5a7816fd
+
+static int probe_highpoint45x(blkid_probe pr,
+ const struct blkid_idmag *mag __attribute__((__unused__)))
+{
+ struct hpt45x_metadata *hpt;
+ uint64_t off;
+ uint32_t magic;
+
+ if (pr->size < 0x10000)
+ return -1;
+ if (!S_ISREG(pr->mode) && !blkid_probe_is_wholedisk(pr))
+ return -1;
+
+ off = ((pr->size / 0x200) - 11) * 0x200;
+ hpt = (struct hpt45x_metadata *)
+ blkid_probe_get_buffer(pr,
+ off,
+ sizeof(struct hpt45x_metadata));
+ if (!hpt)
+ return -1;
+ magic = le32_to_cpu(hpt->magic);
+ if (magic != HPT45X_MAGIC_OK && magic != HPT45X_MAGIC_BAD)
+ return -1;
+ if (blkid_probe_set_magic(pr, off, sizeof(hpt->magic),
+ (unsigned char *) &hpt->magic))
+ return -1;
+ return 0;
+}
+
+static int probe_highpoint37x(blkid_probe pr,
+ const struct blkid_idmag *mag __attribute__((__unused__)))
+{
+ if (!S_ISREG(pr->mode) && !blkid_probe_is_wholedisk(pr))
+ return -1;
+ return 0;
+}
+
+
+const struct blkid_idinfo highpoint45x_idinfo = {
+ .name = "hpt45x_raid_member",
+ .usage = BLKID_USAGE_RAID,
+ .probefunc = probe_highpoint45x,
+ .magics = BLKID_NONE_MAGIC
+};
+
+const struct blkid_idinfo highpoint37x_idinfo = {
+ .name = "hpt37x_raid_member",
+ .usage = BLKID_USAGE_RAID,
+ .probefunc = probe_highpoint37x,
+ .magics = {
+ /*
+ * Superblok offset: 4608 bytes (9 sectors)
+ * Magic string offset within superblock: 32 bytes
+ *
+ * kboff = (4608 + 32) / 1024
+ * sboff = (4608 + 32) % kboff
+ */
+ { .magic = "\xf0\x16\x78\x5a", .len = 4, .kboff = 4, .sboff = 544 },
+ { .magic = "\xfd\x16\x78\x5a", .len = 4, .kboff = 4, .sboff = 544 },
+ { NULL }
+ }
+};
+
+