https://github.com/torvalds/linux
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Tip revision: 319e2e3f63c348a9b66db4667efa73178e18b17d authored by Linus Torvalds on 15 December 2013, 20:31:33 UTC
Linux 3.13-rc4
Tip revision: 319e2e3
nvram.h
#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 */
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