1 #ifndef __VFS_DMAP_H__ 2 #define __VFS_DMAP_H__ 3 4 #include "threads.h" 5 6 /*===========================================================================* 7 * Device <-> Driver Table * 8 *===========================================================================*/ 9 10 /* Device table. This table is indexed by major device number. It provides 11 * the link between major device numbers and the routines that process them. 12 * The table can be updated dynamically. The field 'dmap_flags' describe an 13 * entry's current status and determines what control options are possible. 14 */ 15 16 extern struct dmap { 17 endpoint_t dmap_driver; 18 char dmap_label[LABEL_MAX]; 19 int dmap_sel_busy; 20 struct filp *dmap_sel_filp; 21 thread_t dmap_servicing; 22 mutex_t dmap_lock; 23 int dmap_recovering; 24 int dmap_seen_tty; 25 } dmap[]; 26 27 #endif 28