+/* (c) 2008, Jack Lange <jarusl@cs.northwestern.edu> */
+/* (c) 2008, The V3VEE Project <http://www.v3vee.org> */
+
#ifndef __VMM_INTR_H_
#define __VMM_INTR_H_
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);
};
-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);