IO_SPACE_BITS      42 arch/ia64/include/asm/io.h #define IO_SPACE_SIZE			(1UL << IO_SPACE_BITS)
IO_SPACE_BITS      44 arch/ia64/include/asm/io.h #define IO_SPACE_NR(port)		((port) >> IO_SPACE_BITS)
IO_SPACE_BITS      45 arch/ia64/include/asm/io.h #define IO_SPACE_BASE(space)		((space) << IO_SPACE_BITS)
IO_SPACE_BITS      68 arch/ia64/include/asm/io.h #define PIO_OFFSET		(1UL << (MAX_IO_SPACES_BITS + IO_SPACE_BITS))