extern void insb(unsigned long port, void *addr, unsigned long count);
extern void insw(unsigned long port, void *addr, unsigned long count);
extern void insl(unsigned long port, void *addr, unsigned long count);
extern void insb(unsigned long port, void *addr, unsigned long count);
extern void insw(unsigned long port, void *addr, unsigned long count);
extern void insl(unsigned long port, void *addr, unsigned long count);
extern void dma_outsb(unsigned long port, const void *addr, unsigned short count);
extern void dma_outsw(unsigned long port, const void *addr, unsigned short count);
extern void dma_outsb(unsigned long port, const void *addr, unsigned short count);
extern void dma_outsw(unsigned long port, const void *addr, unsigned short count);
#define page_to_phys(page) ((page - mem_map) << PAGE_SHIFT)
#define page_to_bus(page) ((page - mem_map) << PAGE_SHIFT)
#define page_to_phys(page) ((page - mem_map) << PAGE_SHIFT)
#define page_to_bus(page) ((page - mem_map) << PAGE_SHIFT)