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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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1234567891011121314151617181920212223242526272829303132333435363738394041424344/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note *//* The industrial I/O - event passing to userspace * * Copyright (c) 2008-2011 Jonathan Cameron * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published by * the Free Software Foundation. */#ifndef _UAPI_IIO_EVENTS_H_#define _UAPI_IIO_EVENTS_H_
#include <linux/ioctl.h>#include <linux/types.h>
/** * struct iio_event_data - The actual event being pushed to userspace * @id: event identifier * @timestamp: best estimate of time of event occurrence (often from * the interrupt handler) */struct iio_event_data { __u64 id; __s64 timestamp;};
#define IIO_GET_EVENT_FD_IOCTL _IOR('i', 0x90, int)
#define IIO_EVENT_CODE_EXTRACT_TYPE(mask) ((mask >> 56) & 0xFF)
#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 48) & 0x7F)
#define IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(mask) ((mask >> 32) & 0xFF)
/* Event code number extraction depends on which type of event we have. * Perhaps review this function in the future*/#define IIO_EVENT_CODE_EXTRACT_CHAN(mask) ((__s16)(mask & 0xFFFF))#define IIO_EVENT_CODE_EXTRACT_CHAN2(mask) ((__s16)(((mask) >> 16) & 0xFFFF))
#define IIO_EVENT_CODE_EXTRACT_MODIFIER(mask) ((mask >> 40) & 0xFF)#define IIO_EVENT_CODE_EXTRACT_DIFF(mask) (((mask) >> 55) & 0x1)
#endif /* _UAPI_IIO_EVENTS_H_ */