1 files changed, 70 insertions, 0 deletions
diff --git a/src/isa-l/raid/xor_example.c b/src/isa-l/raid/xor_example.c
new file mode 100644
index 000000000..48145ac90
--- /dev/null
+++ b/src/isa-l/raid/xor_example.c
@@ -0,0 +1,70 @@
+/**********************************************************************
+  Copyright(c) 2011-2013 Intel Corporation All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in
+      the documentation and/or other materials provided with the
+      distribution.
+    * Neither the name of Intel Corporation nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**********************************************************************/
+#include <stdio.h>
+#include <stdlib.h>
+#include "raid.h"
+#include "types.h"
+
+#define TEST_SOURCES 16
+#define TEST_LEN     16*1024
+
+int main(int argc, char *argv[])
+{
+	int i, j, should_pass, should_fail;
+	void *buffs[TEST_SOURCES + 1];
+
+	printf("XOR example\n");
+	for (i = 0; i < TEST_SOURCES + 1; i++) {
+		void *buf;
+		if (posix_memalign(&buf, 32, TEST_LEN)) {
+			printf("alloc error: Fail");
+			return 1;
+		}
+		buffs[i] = buf;
+	}
+
+	printf("Make random data\n");
+	for (i = 0; i < TEST_SOURCES + 1; i++)
+		for (j = 0; j < TEST_LEN; j++)
+			((char *)buffs[i])[j] = rand();
+
+	printf("Generate xor parity\n");
+	xor_gen(TEST_SOURCES + 1, TEST_LEN, buffs);
+
+	printf("Check parity: ");
+	should_pass = xor_check(TEST_SOURCES + 1, TEST_LEN, buffs);
+	printf("%s\n", should_pass == 0 ? "Pass" : "Fail");
+
+	printf("Find corruption: ");
+	((char *)buffs[TEST_SOURCES / 2])[TEST_LEN / 2] ^= 1;	// flip one bit
+	should_fail = xor_check(TEST_SOURCES + 1, TEST_LEN, buffs);	//recheck
+	printf("%s\n", should_fail != 0 ? "Pass" : "Fail");
+
+	return 0;
+}