#define dma_unmap_single(d,h,s,dir) sbus_unmap_single(d,h,s,dir)
#define dma_map_sg(d,s,n,dir) sbus_map_sg(d,s,n,dir)
#define dma_unmap_sg(d,s,n,dir) sbus_unmap_sg(d,s,n,dir)
#define dma_unmap_single(d,h,s,dir) sbus_unmap_single(d,h,s,dir)
#define dma_map_sg(d,s,n,dir) sbus_map_sg(d,s,n,dir)
#define dma_unmap_sg(d,s,n,dir) sbus_unmap_sg(d,s,n,dir)