include/linux/nvram.h

   1 #ifndef _LINUX_NVRAM_H
   2 #define _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 #ifdef __KERNEL__
  11 extern unsigned char nvram_read_byte( int i );
  12 extern void nvram_write_byte( unsigned char c, int i );
  13 extern int nvram_check_checksum( void );
  14 extern void nvram_set_checksum( void );
  15 #endif
  16
  17 #endif  /* _LINUX_NVRAM_H */