#ifndef _LINUX_DEVFS_FS_H#define _LINUX_DEVFS_FS_H #include <linux/ioctl.h> #define DEVFSD_PROTOCOL_REVISION_KERNEL  5 #define	DEVFSD_IOCTL_BASE	'd' /*  These are the various ioctls  */#define DEVFSDIOC_GET_PROTO_REV         _IOR(DEVFSD_IOCTL_BASE, 0, int)#define DEVFSDIOC_SET_EVENT_MASK        _IOW(DEVFSD_IOCTL_BASE, 2, int)#define DEVFSDIOC_RELEASE_EVENT_QUEUE   _IOW(DEVFSD_IOCTL_BASE, 3, int)#define DEVFSDIOC_SET_DEBUG_MASK        _IOW(DEVFSD_IOCTL_BASE, 4, int) #define DEVFSD_NOTIFY_REGISTERED    0#define DEVFSD_NOTIFY_UNREGISTERED  1#define DEVFSD_NOTIFY_ASYNC_OPEN    2#define DEVFSD_NOTIFY_CLOSE         3#define DEVFSD_NOTIFY_LOOKUP        4#define DEVFSD_NOTIFY_CHANGE        5#define DEVFSD_NOTIFY_CREATE        6#define DEVFSD_NOTIFY_DELETE        7 #define DEVFS_PATHLEN               1024	/*  Never change this otherwise the						   binary interface will change   */ struct devfsd_notify_struct {	/*  Use native C types to ensure same types in kernel and user space     */	unsigned int type;	/*  DEVFSD_NOTIFY_* value                   */	unsigned int mode;	/*  Mode of the inode or device entry       */	unsigned int major;	/*  Major number of device entry            */	unsigned int minor;	/*  Minor number of device entry            */	unsigned int uid;	/*  Uid of process, inode or device entry   */	unsigned int gid;	/*  Gid of process, inode or device entry   */	unsigned int overrun_count;	/*  Number of lost events                   */	unsigned int namelen;	/*  Number of characters not including '\0' */	/*  The device name MUST come last                                       */	char devname[DEVFS_PATHLEN];	/*  This will be '\0' terminated            */}; #endif				/*  _LINUX_DEVFS_FS_H  */