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18 lines
547 B
C
18 lines
547 B
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _UAPI_LINUX_NVRAM_H
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#define _UAPI_LINUX_NVRAM_H
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#include <linux/ioctl.h>
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/* /dev/nvram ioctls */
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#define NVRAM_INIT _IO('p', 0x40) /* initialize NVRAM and set checksum */
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#define NVRAM_SETCKS _IO('p', 0x41) /* recalculate checksum */
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/* for all current systems, this is where NVRAM starts */
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#define NVRAM_FIRST_BYTE 14
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/* all these functions expect an NVRAM offset, not an absolute */
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#define NVRAM_OFFSET(x) ((x)-NVRAM_FIRST_BYTE)
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#endif /* _UAPI_LINUX_NVRAM_H */
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