crypto: aes - Export x86 AES encrypt/decrypt functions

Intel AES-NI AES acceleration instructions touch XMM state, to use
that in soft_irq context, general x86 AES implementation is used as
fallback. The first parameter is changed from struct crypto_tfm * to
struct crypto_aes_ctx * to make it easier to deal with 16 bytes
alignment requirement of AES-NI implementation.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 11 insertions, 0 deletions

diff --git a/arch/x86/include/asm/aes.h b/arch/x86/include/asm/aes.h
new file mode 100644
index 000000000000..80545a1cbe39
--- /dev/null
+++ b/arch/x86/include/asm/aes.h
@@ -0,0 +1,11 @@
+#ifndef ASM_X86_AES_H
+#define ASM_X86_AES_H
+
+#include <linux/crypto.h>
+#include <crypto/aes.h>
+
+void crypto_aes_encrypt_x86(struct crypto_aes_ctx *ctx, u8 *dst,
+                            const u8 *src);
+void crypto_aes_decrypt_x86(struct crypto_aes_ctx *ctx, u8 *dst,
+                            const u8 *src);
+#endif