include/uapi/linux/kdev_t.h

   1 #ifndef _UAPI_LINUX_KDEV_T_H
   2 #define _UAPI_LINUX_KDEV_T_H
   3 #ifndef __KERNEL__
   4
   5 /*
   6 Some programs want their definitions of MAJOR and MINOR and MKDEV
   7 from the kernel sources. These must be the externally visible ones.
   8 */
   9 #define MAJOR(dev)      ((dev)>>8)
  10 #define MINOR(dev)      ((dev) & 0xff)
  11 #define MKDEV(ma,mi)    ((ma)<<8 | (mi))
  12 #endif /* __KERNEL__ */
  13 #endif /* _UAPI_LINUX_KDEV_T_H */