[CRYPTO] aes-asm: Merge common glue code

32 bit and 64 bit glue code is using (now) the same
piece code. This patch unifies them.

Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 57 insertions, 0 deletions

diff --git a/arch/x86/crypto/aes_glue.c b/arch/x86/crypto/aes_glue.c
new file mode 100644
index 000000000000..71f457827116
--- /dev/null
+++ b/arch/x86/crypto/aes_glue.c
@@ -0,0 +1,57 @@
+/*
+ * Glue Code for the asm optimized version of the AES Cipher Algorithm
+ *
+ */
+
+#include <crypto/aes.h>
+
+asmlinkage void aes_enc_blk(struct crypto_tfm *tfm, u8 *out, const u8 *in);
+asmlinkage void aes_dec_blk(struct crypto_tfm *tfm, u8 *out, const u8 *in);
+
+static void aes_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
+{
+        aes_enc_blk(tfm, dst, src);
+}
+
+static void aes_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
+{
+        aes_dec_blk(tfm, dst, src);
+}
+
+static struct crypto_alg aes_alg = {
+        .cra_name               = "aes",
+        .cra_driver_name        = "aes-asm",
+        .cra_priority           = 200,
+        .cra_flags              = CRYPTO_ALG_TYPE_CIPHER,
+        .cra_blocksize          = AES_BLOCK_SIZE,
+        .cra_ctxsize            = sizeof(struct crypto_aes_ctx),
+        .cra_module             = THIS_MODULE,
+        .cra_list               = LIST_HEAD_INIT(aes_alg.cra_list),
+        .cra_u  = {
+                .cipher = {
+                        .cia_min_keysize        = AES_MIN_KEY_SIZE,
+                        .cia_max_keysize        = AES_MAX_KEY_SIZE,
+                        .cia_setkey             = crypto_aes_set_key,
+                        .cia_encrypt            = aes_encrypt,
+                        .cia_decrypt            = aes_decrypt
+                }
+        }
+};
+
+static int __init aes_init(void)
+{
+        return crypto_register_alg(&aes_alg);
+}
+
+static void __exit aes_fini(void)
+{
+        crypto_unregister_alg(&aes_alg);
+}
+
+module_init(aes_init);
+module_exit(aes_fini);
+
+MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm, asm optimized");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("aes");
+MODULE_ALIAS("aes-asm");