[mirror_ubuntu-bionic-kernel.git] / include / uapi / linux / 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 */
Commit	Line	Data
607ca46e DH	1	#ifndef _UAPI_LINUX_NVRAM_H
	2	#define _UAPI_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	/* 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 /* _UAPI_LINUX_NVRAM_H */