include/linux/devfs_fs.h

   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
  28 struct devfsd_notify_struct {   /*  Use native C types to ensure same types in kernel and user space     */
  29         unsigned int type;      /*  DEVFSD_NOTIFY_* value                   */
  30         unsigned int mode;      /*  Mode of the inode or device entry       */
  31         unsigned int major;     /*  Major number of device entry            */
  32         unsigned int minor;     /*  Minor number of device entry            */
  33         unsigned int uid;       /*  Uid of process, inode or device entry   */
  34         unsigned int gid;       /*  Gid of process, inode or device entry   */
  35         unsigned int overrun_count;     /*  Number of lost events                   */
  36         unsigned int namelen;   /*  Number of characters not including '\0' */
  37         /*  The device name MUST come last                                       */
  38         char devname[DEVFS_PATHLEN];    /*  This will be '\0' terminated            */
  39 };
  40
  41 #endif                          /*  _LINUX_DEVFS_FS_H  */