-#ifndef __VMM_INTR_H
-#define __VMM_INTR_H
+/*
+ * 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_
+
+
+#ifdef __V3VEE__
+
+#include <palacios/vmm_intr.h>
#include <palacios/vmm_types.h>
#define DE_EXCEPTION 0x00
#define SX_EXCEPTION 0x1e
-typedef enum {INVALID_INTR, EXTERNAL_IRQ, NMI, EXCEPTION, SOFTWARE, VIRTUAL} intr_types_t;
+typedef enum {INVALID_INTR, EXTERNAL_IRQ, NMI, EXCEPTION, SOFTWARE_INTR, VIRTUAL_INTR} intr_type_t;
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 vm_intr * state);
-int raise_exception(struct guest_info * info, uint_t excp);
+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 set_intr_controller(struct guest_info * info, struct intr_ctrl_ops * ops, void * state);
+
+int v3_raise_exception(struct guest_info * info, uint_t excp);
+int v3_raise_exception_with_error(struct guest_info * info, uint_t excp, uint_t error_code);
+
+int intr_pending(struct guest_info * info);
+uint_t get_intr_number(struct guest_info * info);
+intr_type_t get_intr_type(struct guest_info * info);
+
+int injecting_intr(struct guest_info * info, uint_t intr_num, intr_type_t type);
+
+/*
+int start_irq(struct vm_intr * intr);
+int end_irq(struct vm_intr * intr, int irq);
+*/
+
+#endif // !__V3VEE__
+
+
+
+
+
+
+
+
+struct vmm_intr_state;
+
+int v3_hook_irq(uint_t irq,
+ void (*handler)(struct vmm_intr_state *state),
+ void *opaque);
-int intr_pending(struct vm_intr * intr);
-uint_t get_intr_number(struct vm_intr * intr);
-intr_types_t get_intr_type(struct vm_intr * intr);
+int v3_hook_irq_for_guest_injection(struct guest_info *info, int irq);
#endif
