GCM_DESC_JOB_IO_LEN
edesc = aead_edesc_alloc(req, GCM_DESC_JOB_IO_LEN, &all_contig,
int rem_bytes = CAAM_DESC_BYTES_MAX - GCM_DESC_JOB_IO_LEN -
int rem_bytes = CAAM_DESC_BYTES_MAX - GCM_DESC_JOB_IO_LEN -
int rem_bytes = CAAM_DESC_BYTES_MAX - GCM_DESC_JOB_IO_LEN -