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

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#ifndef _LINUX_NVRAM_H

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#define _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 /* _LINUX_NVRAM_H */

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