aead_edesc_alloc
edesc = aead_edesc_alloc(req, CHACHAPOLY_DESC_JOB_IO_LEN, &all_contig,
edesc = aead_edesc_alloc(req, AUTHENC_DESC_JOB_IO_LEN,
edesc = aead_edesc_alloc(req, GCM_DESC_JOB_IO_LEN, &all_contig,
edesc = aead_edesc_alloc(req, encrypt);
edesc = aead_edesc_alloc(req, true);
edesc = aead_edesc_alloc(req, false);
edesc = aead_edesc_alloc(req, req->iv, 0, true);
edesc = aead_edesc_alloc(req, req->iv, 1, false);