VIRTIO_CRYPTO_SYM_OP_CIPHER
sym_create_session->op_type = cpu_to_le32(VIRTIO_CRYPTO_SYM_OP_CIPHER);
vc_sym_req->type = VIRTIO_CRYPTO_SYM_OP_CIPHER;
req_data->u.sym_req.op_type = cpu_to_le32(VIRTIO_CRYPTO_SYM_OP_CIPHER);
if (vc_sym_req->type == VIRTIO_CRYPTO_SYM_OP_CIPHER) {