uapi/linux/kdev_t.h

0001 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
0002 #ifndef _UAPI_LINUX_KDEV_T_H
0003 #define _UAPI_LINUX_KDEV_T_H
0004 #ifndef __KERNEL__
0005
0006 /*
0007 Some programs want their definitions of MAJOR and MINOR and MKDEV
0008 from the kernel sources. These must be the externally visible ones.
0009 */
0010 #define MAJOR(dev)  ((dev)>>8)
0011 #define MINOR(dev)  ((dev) & 0xff)
0012 #define MKDEV(ma,mi)    ((ma)<<8 | (mi))
0013 #endif /* __KERNEL__ */
0014 #endif /* _UAPI_LINUX_KDEV_T_H */