cregit-Linux how code gets into the kernel

Release 4.14 drivers/input/input-compat.h

Directory: drivers/input
#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
 *
 * 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.
 */

#include <linux/compiler.h>
#include <linux/compat.h>
#include <linux/input.h>

#ifdef CONFIG_COMPAT


struct input_event_compat {
	
struct compat_timeval time;
	
__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); }

Contributors

PersonTokensPropCommitsCommitProp
Philip Langdale2376.67%133.33%
H. J. Lu516.67%133.33%
Andrew Morton26.67%133.33%
Total30100.00%3100.00%

#else
static inline size_t input_event_size(void) { return sizeof(struct input_event); }

Contributors

PersonTokensPropCommitsCommitProp
Philip Langdale16100.00%1100.00%
Total16100.00%1100.00%

#endif /* CONFIG_COMPAT */ int input_event_from_user(const char __user *buffer, struct input_event *event); int input_event_to_user(char __user *buffer, const struct input_event *event); int input_ff_effect_from_user(const char __user *buffer, size_t size, struct ff_effect *effect); #endif /* _INPUT_COMPAT_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Philip Langdale21396.82%133.33%
H. J. Lu52.27%133.33%
Andrew Morton20.91%133.33%
Total220100.00%3100.00%
Directory: drivers/input
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