| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| #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 */ |
