mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-22 20:23:57 +08:00
f930a7a0f4
Enable the input system to be used with a compat ABI with 64-bit time. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
93 lines
2.1 KiB
C
93 lines
2.1 KiB
C
#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
|
|
|
|
/* Note to the author of this code: did it ever occur to
|
|
you why the ifdefs are needed? Think about it again. -AK */
|
|
#if defined(CONFIG_X86_64) || defined(CONFIG_TILE)
|
|
# define INPUT_COMPAT_TEST is_compat_task()
|
|
#elif defined(CONFIG_S390)
|
|
# define INPUT_COMPAT_TEST test_thread_flag(TIF_31BIT)
|
|
#elif defined(CONFIG_MIPS)
|
|
# define INPUT_COMPAT_TEST test_thread_flag(TIF_32BIT_ADDR)
|
|
#else
|
|
# define INPUT_COMPAT_TEST test_thread_flag(TIF_32BIT)
|
|
#endif
|
|
|
|
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 (INPUT_COMPAT_TEST && !COMPAT_USE_64BIT_TIME) ?
|
|
sizeof(struct input_event_compat) : sizeof(struct input_event);
|
|
}
|
|
|
|
#else
|
|
|
|
static inline size_t input_event_size(void)
|
|
{
|
|
return sizeof(struct input_event);
|
|
}
|
|
|
|
#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 */
|