The security offload function is performed by a cryptographic
engine core attached to the 128-bit PLB (processor local bus)
with builtin DMA and interrupt controllers. This, I think,
satisfies the requirement for the CRYPTO_ALG_KERN_DRIVER_ONLY
flag.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
                .cra_name       = "cbc(aes)",
                .cra_driver_name = "cbc-aes-ppc4xx",
                .cra_priority   = CRYPTO4XX_CRYPTO_PRIORITY,
-               .cra_flags      = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC,
+               .cra_flags      = CRYPTO_ALG_TYPE_ABLKCIPHER |
+                                 CRYPTO_ALG_ASYNC |
+                                 CRYPTO_ALG_KERN_DRIVER_ONLY,
                .cra_blocksize  = AES_BLOCK_SIZE,
                .cra_ctxsize    = sizeof(struct crypto4xx_ctx),
                .cra_type       = &crypto_ablkcipher_type,