1 files changed, 70 insertions, 0 deletions
diff --git a/cpukit/libdrvmgr/drvmgr_internal.h b/cpukit/libdrvmgr/drvmgr_internal.h
new file mode 100644
index 0000000000..b4594555d5
--- /dev/null
+++ b/cpukit/libdrvmgr/drvmgr_internal.h
@@ -0,0 +1,70 @@
+/* Private driver manager declarations
+ *
+ * COPYRIGHT (c) 2009.
+ * Cobham Gaisler AB.
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ */
+
+/*  Structure hold all information the driver manager needs to know of. Used
+ *  internally by Driver Manager routines.
+ */
+struct rtems_driver_manager {
+	int	level;
+	int	initializing_objs;
+
+	/* Device tree Lock */
+	rtems_id		lock;
+
+	/* The first device - The root device and it's driver */
+	struct drvmgr_drv	*root_drv;
+	struct drvmgr_dev	root_dev;
+
+	/*!< Linked list of all registered drivers */
+	struct drvmgr_list	drivers;
+
+	/* Buses that reached a certain initialization level.
+	 * Lists by Level:
+	 *  N=0         - Not intialized, just registered
+	 *  N=1..MAX-1  - Reached init level N
+	 *  N=MAX       - Successfully initialized bus
+	 */
+	struct drvmgr_list	buses[DRVMGR_LEVEL_MAX+1];
+	/* Buses failed to initialize or has been removed by not freed */
+	struct drvmgr_list	buses_inactive;
+
+	/* Devices that reached a certain initialization level.
+	 * Lists by Level:
+	 *  N=0         - Not intialized, just registered
+	 *  N=1..MAX-1  - Reached init level N
+	 *  N=MAX       - Successfully initialized device
+	 */
+	struct drvmgr_list	devices[DRVMGR_LEVEL_MAX+1];
+	/*!< Devices failed to initialize, removed, ignored, no driver */
+	struct drvmgr_list	devices_inactive;
+};
+
+extern struct rtems_driver_manager drv_mgr;
+
+extern void _DRV_Manager_Lock(void);
+extern void _DRV_Manager_Unlock(void);
+extern int _DRV_Manager_Init_Lock(void);
+
+/* The best solution is to implement the locking with a RW lock, however there
+ * is no such API available. Care must be taken so that dead-lock isn't created
+ * for example in recursive functions.
+ */
+#if defined(DRVMGR_USE_LOCKS) && (DRVMGR_USE_LOCKS == 1)
+ #define DRVMGR_LOCK_INIT() _DRV_Manager_Init_Lock()
+ #define DRVMGR_LOCK_WRITE() _DRV_Manager_Lock()
+ #define DRVMGR_LOCK_READ() _DRV_Manager_Lock()
+ #define DRVMGR_UNLOCK() _DRV_Manager_Unlock()
+#else
+ /* no locking */
+ #define DRVMGR_LOCK_INIT() 
+ #define DRVMGR_LOCK_WRITE() 
+ #define DRVMGR_LOCK_READ() 
+ #define DRVMGR_UNLOCK() 
+#endif