xref: /linux/include/uapi/linux/kdev_t.h (revision 498495dba268b20e8eadd7fe93c140c68b6cc9d2)
1*6f52b16cSGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2607ca46eSDavid Howells #ifndef _UAPI_LINUX_KDEV_T_H
3607ca46eSDavid Howells #define _UAPI_LINUX_KDEV_T_H
4607ca46eSDavid Howells #ifndef __KERNEL__
5607ca46eSDavid Howells 
6607ca46eSDavid Howells /*
7607ca46eSDavid Howells Some programs want their definitions of MAJOR and MINOR and MKDEV
8607ca46eSDavid Howells from the kernel sources. These must be the externally visible ones.
9607ca46eSDavid Howells */
10607ca46eSDavid Howells #define MAJOR(dev)	((dev)>>8)
11607ca46eSDavid Howells #define MINOR(dev)	((dev) & 0xff)
12607ca46eSDavid Howells #define MKDEV(ma,mi)	((ma)<<8 | (mi))
13607ca46eSDavid Howells #endif /* __KERNEL__ */
14607ca46eSDavid Howells #endif /* _UAPI_LINUX_KDEV_T_H */
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