| #ifndef _LINUX_NVRAM_H | |
| #define _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 /* _LINUX_NVRAM_H */ |