#define pci64_dma_hi32(a) ((u32) (0xffffffff & (((u64)(a))>>32)))
#define pci64_dma_lo32(a) ((u32) (0xffffffff & (((u64)(a)))))
#define pci64_dma_hi32(a) ((u32) (0xffffffff & (((u64)(a))>>32)))
#define pci64_dma_lo32(a) ((u32) (0xffffffff & (((u64)(a)))))