Release 1.0

[palacios.git] / geekos / include / geekos / irq.h

diff --git a/geekos/include/geekos/irq.h b/geekos/include/geekos/irq.h
new file mode 100644 (file)
index 0000000..69e625c
--- /dev/null
+++ b/geekos/include/geekos/irq.h
@@ -0,0 +1,29 @@
+/*
+ * This is the device-driver interface to the interrupt system.
+ * Copyright (c) 2001,2003 David H. Hovemeyer <daveho@cs.umd.edu>
+ * $Revision: 1.2 $
+ * 
+ * This is free software.  You are permitted to use,
+ * redistribute, and modify it as specified in the file "COPYING".
+ */
+
+#ifndef GEEKOS_IRQ_H
+#define GEEKOS_IRQ_H
+
+#include <geekos/int.h>
+
+void Install_IRQ(int irq, Interrupt_Handler handler);
+ushort_t Get_IRQ_Mask(void);
+void Set_IRQ_Mask(ushort_t mask);
+void Enable_IRQ(int irq);
+void Disable_IRQ(int irq);
+
+/*
+ * IRQ handlers should call these to begin and end the
+ * interrupt.
+ */
+void Begin_IRQ(struct Interrupt_State* state);
+void End_IRQ_num(int irq);
+void End_IRQ(struct Interrupt_State* state);
+
+#endif  /* GEEKOS_IRQ_H */