ASYNC_SPD_SHI      65 include/uapi/linux/tty_flags.h #define ASYNC_SPD_WARP		(ASYNC_SPD_HI|ASYNC_SPD_SHI)
ASYNC_SPD_SHI      66 include/uapi/linux/tty_flags.h #define ASYNC_SPD_MASK		(ASYNC_SPD_HI|ASYNC_SPD_VHI|ASYNC_SPD_SHI)