From f8504a4e9c14b86dc6eb580813a9c72a11cf131d Mon Sep 17 00:00:00 2001
From: Karel Zak <kzak@redhat.com>
Date: Tue, 9 Sep 2008 01:05:39 +0200
Subject: [PATCH] blkid: add ISW raid

Signed-off-by: Karel Zak <kzak@redhat.com>
---
 libs/blkid/src/probe.c             |  3 +-
 libs/blkid/src/probers/Makefile.am |  3 +-
 libs/blkid/src/probers/isw_raid.c  | 68 ++++++++++++++++++++++++++++++
 libs/blkid/src/probers/probers.h   |  1 +
 4 files changed, 73 insertions(+), 2 deletions(-)
 create mode 100644 libs/blkid/src/probers/isw_raid.c

diff --git a/libs/blkid/src/probe.c b/libs/blkid/src/probe.c
index eafb76f7..8b4b0047 100644
--- a/libs/blkid/src/probe.c
+++ b/libs/blkid/src/probe.c
@@ -39,7 +39,8 @@ static const struct blkid_idinfo *idinfos[] =
 	&cramfs_idinfo,
 	&swap_idinfo,
 	&adraid_idinfo,
-	&ddfraid_idinfo
+	&ddfraid_idinfo,
+	&iswraid_idinfo
 };
 
 #ifndef ARRAY_SIZE
diff --git a/libs/blkid/src/probers/Makefile.am b/libs/blkid/src/probers/Makefile.am
index fcca51dc..356770e1 100644
--- a/libs/blkid/src/probers/Makefile.am
+++ b/libs/blkid/src/probers/Makefile.am
@@ -8,6 +8,7 @@ libprobers_a_SOURCES =	probers.h \
 			cramfs.c \
 			swap.c \
 			adaptec_raid.c \
-			ddf_raid.c
+			ddf_raid.c \
+			isw_raid.c
 
 all-local: $(lib_LIBRARIES)
diff --git a/libs/blkid/src/probers/isw_raid.c b/libs/blkid/src/probers/isw_raid.c
new file mode 100644
index 00000000..968d5cb3
--- /dev/null
+++ b/libs/blkid/src/probers/isw_raid.c
@@ -0,0 +1,68 @@
+/*
+ * 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 <stdint.h>
+
+#include "blkidP.h"
+
+struct isw_meta {
+	uint8_t		sig[32];
+	uint32_t	check_sum;
+	uint32_t	mpb_size;
+	uint32_t	family_num;
+	uint32_t	generation_num;
+};
+
+#define ISW_SIGNATURE		"Intel Raid ISM Cfg Sig. "
+
+
+static int probe_iswraid(blkid_probe pr, const struct blkid_idmag *mag)
+{
+	uint64_t meta_off;
+	struct isw_meta *isw;
+
+	if (pr->size < 0x10000)
+		return -1;
+
+	meta_off = ((pr->size / 0x200) - 2) * 0x200;
+
+	if (pr->size < 0x10000)
+		return -1;
+
+	isw = (struct isw_meta *) blkid_probe_get_buffer(pr, meta_off, 0x200);
+	if (!isw)
+		return -1;
+
+	if (memcmp(isw->sig, ISW_SIGNATURE, sizeof(ISW_SIGNATURE)-1) != 0)
+		return -1;
+
+	if (blkid_probe_sprintf_version(pr, "%6s",
+				isw->sig[sizeof(ISW_SIGNATURE)-1]) != 0)
+		return -1;
+
+	return 0;
+}
+
+const struct blkid_idinfo iswraid_idinfo = {
+	.name		= "isw_raid_member",
+	.usage		= BLKID_USAGE_RAID,
+	.probefunc	= probe_iswraid
+};
+
+
diff --git a/libs/blkid/src/probers/probers.h b/libs/blkid/src/probers/probers.h
index 8e23b6b4..a9db6d90 100644
--- a/libs/blkid/src/probers/probers.h
+++ b/libs/blkid/src/probers/probers.h
@@ -20,5 +20,6 @@ extern const struct blkid_idinfo swap_idinfo;
 extern const struct blkid_idinfo swsuspend_idinfo;
 extern const struct blkid_idinfo adraid_idinfo;
 extern const struct blkid_idinfo ddfraid_idinfo;
+extern const struct blkid_idinfo iswraid_idinfo;
 
 #endif /* _BLKID_PROBE_H */
-- 
2.39.5