From e86961bac1260d9e108957744619efd2163fd26d Mon Sep 17 00:00:00 2001
From: Karel Zak <kzak@redhat.com>
Date: Tue, 9 Sep 2008 11:01:26 +0200
Subject: [PATCH] blkid: Promise 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/probers.h      |  1 +
 libs/blkid/src/probers/promise_raid.c | 66 +++++++++++++++++++++++++++
 4 files changed, 71 insertions(+), 2 deletions(-)
 create mode 100644 libs/blkid/src/probers/promise_raid.c

diff --git a/libs/blkid/src/probe.c b/libs/blkid/src/probe.c
index 47b70841..e54c528b 100644
--- a/libs/blkid/src/probe.c
+++ b/libs/blkid/src/probe.c
@@ -43,7 +43,8 @@ static const struct blkid_idinfo *idinfos[] =
 	&iswraid_idinfo,
 	&jmicron_idinfo,
 	&lsi_idinfo,
-	&nvraid_idinfo
+	&nvraid_idinfo,
+	&pdcraid_idinfo
 };
 
 #ifndef ARRAY_SIZE
diff --git a/libs/blkid/src/probers/Makefile.am b/libs/blkid/src/probers/Makefile.am
index 09738bcc..c866fa50 100644
--- a/libs/blkid/src/probers/Makefile.am
+++ b/libs/blkid/src/probers/Makefile.am
@@ -12,6 +12,7 @@ libprobers_a_SOURCES =	probers.h \
 			isw_raid.c \
 			jmicron_raid.c \
 			lsi_raid.c \
-			nvidia_raid.c
+			nvidia_raid.c \
+			promise_raid.c
 
 all-local: $(lib_LIBRARIES)
diff --git a/libs/blkid/src/probers/probers.h b/libs/blkid/src/probers/probers.h
index e7e13e1f..86028098 100644
--- a/libs/blkid/src/probers/probers.h
+++ b/libs/blkid/src/probers/probers.h
@@ -24,5 +24,6 @@ extern const struct blkid_idinfo iswraid_idinfo;
 extern const struct blkid_idinfo jmicron_idinfo;
 extern const struct blkid_idinfo lsi_idinfo;
 extern const struct blkid_idinfo nvraid_idinfo;
+extern const struct blkid_idinfo pdcraid_idinfo;
 
 #endif /* _BLKID_PROBE_H */
diff --git a/libs/blkid/src/probers/promise_raid.c b/libs/blkid/src/probers/promise_raid.c
new file mode 100644
index 00000000..c11ddd35
--- /dev/null
+++ b/libs/blkid/src/probers/promise_raid.c
@@ -0,0 +1,66 @@
+/*
+ * 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
+};
+
+
-- 
2.39.5