linux-imx

/* SPDX-License-Identifier: GPL-2.0-only */

#ifndef _INPUT_COMPAT_H

#define _INPUT_COMPAT_H

​

/*

 * 32bit compatibility wrappers for the input subsystem.

 *

 * Very heavily based on evdev.c - Copyright (c) 1999-2002 Vojtech Pavlik

 */

​

#include <linux/compiler.h>

#include <linux/compat.h>

#include <linux/input.h>

​

#ifdef CONFIG_COMPAT

​

struct input_event_compat {

    compat_ulong_t sec;

    compat_ulong_t usec;

    __u16 type;

    __u16 code;

    __s32 value;

};

​

struct ff_periodic_effect_compat {

    __u16 waveform;

    __u16 period;

    __s16 magnitude;

    __s16 offset;

    __u16 phase;

​

    struct ff_envelope envelope;

​

    __u32 custom_len;

    compat_uptr_t custom_data;

};

​

struct ff_effect_compat {

    __u16 type;

    __s16 id;

    __u16 direction;

    struct ff_trigger trigger;

    struct ff_replay replay;

​

    union {

        struct ff_constant_effect constant;

        struct ff_ramp_effect ramp;

        struct ff_periodic_effect_compat periodic;

        struct ff_condition_effect condition[2]; /* One for each axis */

        struct ff_rumble_effect rumble;

    } u;

};

​

static inline size_t input_event_size(void)

{

    return (in_compat_syscall() && !COMPAT_USE_64BIT_TIME) ?

        sizeof(struct input_event_compat) : sizeof(struct input_event);

}

​

#else

​

static inline size_t input_event_size(void)

{