cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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events.h (1405B)


      1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2/* The industrial I/O - event passing to userspace
      3 *
      4 * Copyright (c) 2008-2011 Jonathan Cameron
      5 *
      6 * This program is free software; you can redistribute it and/or modify it
      7 * under the terms of the GNU General Public License version 2 as published by
      8 * the Free Software Foundation.
      9 */
     10#ifndef _UAPI_IIO_EVENTS_H_
     11#define _UAPI_IIO_EVENTS_H_
     12
     13#include <linux/ioctl.h>
     14#include <linux/types.h>
     15
     16/**
     17 * struct iio_event_data - The actual event being pushed to userspace
     18 * @id:		event identifier
     19 * @timestamp:	best estimate of time of event occurrence (often from
     20 *		the interrupt handler)
     21 */
     22struct iio_event_data {
     23	__u64	id;
     24	__s64	timestamp;
     25};
     26
     27#define IIO_GET_EVENT_FD_IOCTL _IOR('i', 0x90, int)
     28
     29#define IIO_EVENT_CODE_EXTRACT_TYPE(mask) ((mask >> 56) & 0xFF)
     30
     31#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 48) & 0x7F)
     32
     33#define IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(mask) ((mask >> 32) & 0xFF)
     34
     35/* Event code number extraction depends on which type of event we have.
     36 * Perhaps review this function in the future*/
     37#define IIO_EVENT_CODE_EXTRACT_CHAN(mask) ((__s16)(mask & 0xFFFF))
     38#define IIO_EVENT_CODE_EXTRACT_CHAN2(mask) ((__s16)(((mask) >> 16) & 0xFFFF))
     39
     40#define IIO_EVENT_CODE_EXTRACT_MODIFIER(mask) ((mask >> 40) & 0xFF)
     41#define IIO_EVENT_CODE_EXTRACT_DIFF(mask) (((mask) >> 55) & 0x1)
     42
     43#endif /* _UAPI_IIO_EVENTS_H_ */