static int dma_bytes_sent(struct NCR_ESP * esp, int fifo_count);
static int dma_can_transfer(struct NCR_ESP * esp, Scsi_Cmnd *sp);
static int dma_bytes_sent(struct NCR_ESP * esp, int fifo_count);
static int dma_can_transfer(struct NCR_ESP * esp, Scsi_Cmnd *sp);