mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-19 10:44:14 +08:00
17 lines
484 B
C
17 lines
484 B
C
|
#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 */
|