#ifndef _UAPI_LINUX_NVRAM_H | |
#define _UAPI_LINUX_NVRAM_H | |
#include <linux/ioctl.h> | |
/* /dev/nvram ioctls */ | |
#define NVRAM_INIT _IO('p', 0x40) /* initialize NVRAM and set checksum */ | |
#define NVRAM_SETCKS _IO('p', 0x41) /* recalculate checksum */ | |
/* for all current systems, this is where NVRAM starts */ | |
#define NVRAM_FIRST_BYTE 14 | |
/* all these functions expect an NVRAM offset, not an absolute */ | |
#define NVRAM_OFFSET(x) ((x)-NVRAM_FIRST_BYTE) | |
#endif /* _UAPI_LINUX_NVRAM_H */ |