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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /include/uapi/linux/nvram.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/uapi/linux/nvram.h')
-rw-r--r-- | include/uapi/linux/nvram.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/uapi/linux/nvram.h b/include/uapi/linux/nvram.h new file mode 100644 index 000000000..4bee8e72d --- /dev/null +++ b/include/uapi/linux/nvram.h @@ -0,0 +1,17 @@ +/* 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 */ |