tegrakernel/kernel/kernel-4.9/include/uapi/linux/nvram.h

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2022-02-16 09:13:02 -06:00
#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 */