/usr/alpha-linux-gnu/include/linux/iio/events.h is in linux-libc-dev-alpha-cross 4.4.0-18.34cross1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | /* 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 _IIO_EVENTS_H_
#define _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 /* _IIO_EVENTS_H_ */
|