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01: #ifndef _LINUX_NVRAM_H
02: #define _LINUX_NVRAM_H
03: 
04: #include <linux/ioctl.h>
05: 
06: /* /dev/nvram ioctls */
07: #define NVRAM_INIT      _IO('p', 0x40) /* initialize NVRAM and set checksum */
08: #define NVRAM_SETCKS    _IO('p', 0x41) /* recalculate checksum */
09: 
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  /* _LINUX_NVRAM_H */
17: 

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