1#ifndef _LINUX_DEVFS_FS_H
2#define _LINUX_DEVFS_FS_H
3
4#include <linux/ioctl.h>
5
6#define DEVFSD_PROTOCOL_REVISION_KERNEL  5
7
8#define	DEVFSD_IOCTL_BASE	'd'
9
10/*  These are the various ioctls  */
11#define DEVFSDIOC_GET_PROTO_REV         _IOR(DEVFSD_IOCTL_BASE, 0, int)
12#define DEVFSDIOC_SET_EVENT_MASK        _IOW(DEVFSD_IOCTL_BASE, 2, int)
13#define DEVFSDIOC_RELEASE_EVENT_QUEUE   _IOW(DEVFSD_IOCTL_BASE, 3, int)
14#define DEVFSDIOC_SET_DEBUG_MASK        _IOW(DEVFSD_IOCTL_BASE, 4, int)
15
16#define DEVFSD_NOTIFY_REGISTERED    0
17#define DEVFSD_NOTIFY_UNREGISTERED  1
18#define DEVFSD_NOTIFY_ASYNC_OPEN    2
19#define DEVFSD_NOTIFY_CLOSE         3
20#define DEVFSD_NOTIFY_LOOKUP        4
21#define DEVFSD_NOTIFY_CHANGE        5
22#define DEVFSD_NOTIFY_CREATE        6
23#define DEVFSD_NOTIFY_DELETE        7
24
25#define DEVFS_PATHLEN               1024  /*  Never change this otherwise the
26					      binary interface will change   */
27
28struct devfsd_notify_struct
29{   /*  Use native C types to ensure same types in kernel and user space     */
30    unsigned int type;           /*  DEVFSD_NOTIFY_* value                   */
31    unsigned int mode;           /*  Mode of the inode or device entry       */
32    unsigned int major;          /*  Major number of device entry            */
33    unsigned int minor;          /*  Minor number of device entry            */
34    unsigned int uid;            /*  Uid of process, inode or device entry   */
35    unsigned int gid;            /*  Gid of process, inode or device entry   */
36    unsigned int overrun_count;  /*  Number of lost events                   */
37    unsigned int namelen;        /*  Number of characters not including '\0' */
38    /*  The device name MUST come last                                       */
39    char devname[DEVFS_PATHLEN]; /*  This will be '\0' terminated            */
40};
41
42
43#endif  /*  _LINUX_DEVFS_FS_H  */
44