1#ifndef _UAPI_LINUX_NVRAM_H
2#define _UAPI_LINUX_NVRAM_H
3
4#include <linux/ioctl.h>
5
6/* /dev/nvram ioctls */
7#define NVRAM_INIT	_IO('p', 0x40) /* initialize NVRAM and set checksum */
8#define NVRAM_SETCKS	_IO('p', 0x41) /* recalculate checksum */
9
10/* for all current systems, this is where NVRAM starts */
11#define NVRAM_FIRST_BYTE    14
12/* all these functions expect an NVRAM offset, not an absolute */
13#define NVRAM_OFFSET(x)   ((x)-NVRAM_FIRST_BYTE)
14
15
16#endif /* _UAPI_LINUX_NVRAM_H */
17