devfs_fs.h 1.7 KB

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