1 files changed, 30 insertions, 0 deletions
diff --git a/include/linux/raid/xor.h b/include/linux/raid/xor.h
new file mode 100644
index 000000000..51b811b62
--- /dev/null
+++ b/include/linux/raid/xor.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _XOR_H
+#define _XOR_H
+
+#define MAX_XOR_BLOCKS 4
+
+extern void xor_blocks(unsigned int count, unsigned int bytes,
+	void *dest, void **srcs);
+
+struct xor_block_template {
+        struct xor_block_template *next;
+        const char *name;
+        int speed;
+	void (*do_2)(unsigned long, unsigned long * __restrict,
+		     const unsigned long * __restrict);
+	void (*do_3)(unsigned long, unsigned long * __restrict,
+		     const unsigned long * __restrict,
+		     const unsigned long * __restrict);
+	void (*do_4)(unsigned long, unsigned long * __restrict,
+		     const unsigned long * __restrict,
+		     const unsigned long * __restrict,
+		     const unsigned long * __restrict);
+	void (*do_5)(unsigned long, unsigned long * __restrict,
+		     const unsigned long * __restrict,
+		     const unsigned long * __restrict,
+		     const unsigned long * __restrict,
+		     const unsigned long * __restrict);
+};
+
+#endif