1 files changed, 60 insertions, 0 deletions
diff --git a/arch/x86/crypto/serpent-sse2.h b/arch/x86/crypto/serpent-sse2.h
new file mode 100644
index 000000000..860ca2489
--- /dev/null
+++ b/arch/x86/crypto/serpent-sse2.h
@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef ASM_X86_SERPENT_SSE2_H
+#define ASM_X86_SERPENT_SSE2_H
+
+#include <linux/crypto.h>
+#include <crypto/serpent.h>
+
+#ifdef CONFIG_X86_32
+
+#define SERPENT_PARALLEL_BLOCKS 4
+
+asmlinkage void __serpent_enc_blk_4way(const struct serpent_ctx *ctx, u8 *dst,
+				       const u8 *src, bool xor);
+asmlinkage void serpent_dec_blk_4way(const struct serpent_ctx *ctx, u8 *dst,
+				     const u8 *src);
+
+static inline void serpent_enc_blk_xway(const void *ctx, u8 *dst, const u8 *src)
+{
+	__serpent_enc_blk_4way(ctx, dst, src, false);
+}
+
+static inline void serpent_enc_blk_xway_xor(const struct serpent_ctx *ctx,
+					    u8 *dst, const u8 *src)
+{
+	__serpent_enc_blk_4way(ctx, dst, src, true);
+}
+
+static inline void serpent_dec_blk_xway(const void *ctx, u8 *dst, const u8 *src)
+{
+	serpent_dec_blk_4way(ctx, dst, src);
+}
+
+#else
+
+#define SERPENT_PARALLEL_BLOCKS 8
+
+asmlinkage void __serpent_enc_blk_8way(const struct serpent_ctx *ctx, u8 *dst,
+				       const u8 *src, bool xor);
+asmlinkage void serpent_dec_blk_8way(const struct serpent_ctx *ctx, u8 *dst,
+				     const u8 *src);
+
+static inline void serpent_enc_blk_xway(const void *ctx, u8 *dst, const u8 *src)
+{
+	__serpent_enc_blk_8way(ctx, dst, src, false);
+}
+
+static inline void serpent_enc_blk_xway_xor(const struct serpent_ctx *ctx,
+					    u8 *dst, const u8 *src)
+{
+	__serpent_enc_blk_8way(ctx, dst, src, true);
+}
+
+static inline void serpent_dec_blk_xway(const void *ctx, u8 *dst, const u8 *src)
+{
+	serpent_dec_blk_8way(ctx, dst, src);
+}
+
+#endif
+
+#endif