LXR linux/include/uapi/linux/nvram.h

   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