X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_intr.h;h=0aa703848b7279a6afc89e782c7bf094e28c2463;hb=6593ee3c311ec87304c7bed52a9e6034338679fb;hp=ec7a8c9a541874faf29dea41c2e3ac8bb4b2414a;hpb=bc2c46a12649344d973e2201271c05390ce924bf;p=palacios.git

diff --git a/palacios/include/palacios/vmm_intr.h b/palacios/include/palacios/vmm_intr.h
index ec7a8c9..0aa7038 100644
--- a/palacios/include/palacios/vmm_intr.h
+++ b/palacios/include/palacios/vmm_intr.h
@@ -1,3 +1,22 @@
+/*
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National 
+ * Science Foundation and the Department of Energy.  
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico.  You can find out more at 
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu> 
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org> 
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software.  You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
 #ifndef __VMM_INTR_H_
 #define __VMM_INTR_H_
 
@@ -32,20 +51,45 @@ typedef enum {INVALID_INTR, EXTERNAL_IRQ, NMI, EXCEPTION, SOFTWARE_INTR, VIRTUAL
 
 struct guest_info;
 
+/* We need a way to allow the APIC/PIC to decide when they are supposed to receive interrupts...
+ * Maybe a notification call when they have been turned on, to deliver irqs to them...
+ * We can rehook the guest raise_irq op, to the appropriate controller
+ */
+
+
+struct vm_intr {
+
+  /* We need to rework the exception state, to handle stacking */
+  uint_t excp_pending;
+  uint_t excp_num;
+  uint_t excp_error_code_valid : 1;
+  uint_t excp_error_code;
+  
+  struct intr_ctrl_ops * controller;
+  void * controller_state;
 
+  /* some way to get the [A]PIC intr */
 
+};
 
 
 
+void init_interrupt_state(struct guest_info * info);
 
 
 int v3_raise_irq(struct guest_info * info, int irq);
 
+/*Zheng 07/30/2008*/
+int v3_lower_irq(struct guest_info * info, int irq);
+
+
+/*Zheng 07/30/2008*/
 
 struct intr_ctrl_ops {
   int (*intr_pending)(void * private_data);
   int (*get_intr_number)(void * private_data);
   int (*raise_intr)(void * private_data, int irq);
+  int (*lower_intr)(void * private_data, int irq);
   int (*begin_irq)(void * private_data, int irq);
 };
 
@@ -72,35 +116,16 @@ int end_irq(struct vm_intr * intr, int irq);
 
 
 
-void init_interrupt_state(struct guest_info * info);
-
-/* We need a way to allow the APIC/PIC to decide when they are supposed to receive interrupts...
- * Maybe a notification call when they have been turned on, to deliver irqs to them...
- * We can rehook the guest raise_irq op, to the appropriate controller
- */
 
 
-struct vm_intr {
 
-  /* We need to rework the exception state, to handle stacking */
-  uint_t excp_pending;
-  uint_t excp_num;
-  uint_t excp_error_code_valid : 1;
-  uint_t excp_error_code;
-  
-  struct intr_ctrl_ops * controller;
-  void * controller_state;
-
-  /* some way to get the [A]PIC intr */
-
-};
 
 
 struct vmm_intr_state;
 
 int v3_hook_irq(uint_t irq,
-		 void (*handler)(struct vmm_intr_state *state),
-		 void  *opaque);
+		void (*handler)(struct vmm_intr_state *state),
+		void  *opaque);
 
 int v3_hook_irq_for_guest_injection(struct guest_info *info, int irq);