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