xref: /linux/include/uapi/linux/kdev_t.h (revision 498495dba268b20e8eadd7fe93c140c68b6cc9d2)
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_LINUX_KDEV_T_H
3 #define _UAPI_LINUX_KDEV_T_H
4 #ifndef __KERNEL__
5 
6 /*
7 Some programs want their definitions of MAJOR and MINOR and MKDEV
8 from the kernel sources. These must be the externally visible ones.
9 */
10 #define MAJOR(dev)	((dev)>>8)
11 #define MINOR(dev)	((dev) & 0xff)
12 #define MKDEV(ma,mi)	((ma)<<8 | (mi))
13 #endif /* __KERNEL__ */
14 #endif /* _UAPI_LINUX_KDEV_T_H */
15