cregit-Linux how code gets into the kernel

Release 4.12 include/linux/uinput.h

Directory: include/linux
/*
 *  User level driver support for input subsystem
 *
 * Heavily based on evdev.c by Vojtech Pavlik
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * Author: Aristeu Sergio Rozanski Filho <aris@cathedrallabs.org>
 *
 * Changes/Revisions:
 *      0.5     08/13/2015 (David Herrmann <dh.herrmann@gmail.com> &
 *                          Benjamin Tissoires <benjamin.tissoires@redhat.com>)
 *              - add UI_DEV_SETUP ioctl
 *              - add UI_ABS_SETUP ioctl
 *              - add UI_GET_VERSION ioctl
 *      0.4     01/09/2014 (Benjamin Tissoires <benjamin.tissoires@redhat.com>)
 *              - add UI_GET_SYSNAME ioctl
 *      0.3     24/05/2006 (Anssi Hannula <anssi.hannulagmail.com>)
 *              - update ff support for the changes in kernel interface
 *              - add UINPUT_VERSION
 *      0.2     16/10/2004 (Micah Dowty <micah@navi.cx>)
 *              - added force feedback support
 *             - added UI_SET_PHYS
 *      0.1     20/06/2002
 *              - first public version
 */
#ifndef __UINPUT_H_

#define __UINPUT_H_

#include <uapi/linux/uinput.h>


#define UINPUT_NAME		"uinput"

#define UINPUT_BUFFER_SIZE	16

#define UINPUT_NUM_REQUESTS	16





enum uinput_state { UIST_NEW_DEVICE, UIST_SETUP_COMPLETE, UIST_CREATED };


struct uinput_request {
	
unsigned int		id;
	
unsigned int		code;	/* UI_FF_UPLOAD, UI_FF_ERASE */

	
int			retval;
	
struct completion	done;

	union {
		
unsigned int	effect_id;
		struct {
			
struct ff_effect *effect;
			
struct ff_effect *old;
		
} upload;
	
} u;
};


struct uinput_device {
	
struct input_dev	*dev;
	
struct mutex		mutex;
	
enum uinput_state	state;
	
wait_queue_head_t	waitq;
	
unsigned char		ready;
	
unsigned char		head;
	
unsigned char		tail;
	
struct input_event	buff[UINPUT_BUFFER_SIZE];
	
unsigned int		ff_effects_max;

	
struct uinput_request	*requests[UINPUT_NUM_REQUESTS];
	
wait_queue_head_t	requests_waitq;
	
spinlock_t		requests_lock;
};
#endif	/* __UINPUT_H_ */

Overall Contributors

PersonTokensPropCommitsCommitProp
Vojtech Pavlik4633.33%19.09%
Micah Dowty4532.61%19.09%
Dmitry Torokhov2921.01%436.36%
Anssi Hannula139.42%19.09%
Mike Frysinger21.45%19.09%
Benjamin Tissoires10.72%19.09%
David Howells10.72%19.09%
Dan Carpenter10.72%19.09%
Total138100.00%11100.00%
Directory: include/linux
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