+/**
+ * blob_encap() - Encapsulate the data as a blob
+ * @key_mod: - Key modifier address
+ * @src: - Source address (data)
+ * @dst: - Destination address (blob)
+ * @len: - Size of data to be encapsulated
+ *
+ * Note: Start and end of the key_mod, src and dst buffers have to be aligned to
+ * the cache line size (ARCH_DMA_MINALIGN) for the CAAM operation to succeed.
+ *
+ * Returns zero on success, negative on error.
+ */