--- /dev/null
+/*
+ * 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 DB_EXCEPTION 0x01
+#define NMI_EXCEPTION 0x02
+#define BP_EXCEPTION 0x03
+#define OF_EXCEPTION 0x04
+#define BR_EXCEPTION 0x05
+#define UD_EXCEPTION 0x06
+#define NM_EXCEPTION 0x07
+#define DF_EXCEPTION 0x08
+#define TS_EXCEPTION 0x0a
+#define NP_EXCEPTION 0x0b
+#define SS_EXCEPTION 0x0c
+#define GPF_EXCEPTION 0x0d
+#define PF_EXCEPTION 0x0e
+#define MF_EXCEPTION 0x10
+#define AC_EXCEPTION 0x11
+#define MC_EXCEPTION 0x12
+#define XF_EXCEPTION 0x13
+#define SX_EXCEPTION 0x1e
+
+
+typedef enum {INVALID_INTR, EXTERNAL_IRQ, NMI, EXCEPTION, SOFTWARE_INTR, VIRTUAL_INTR} intr_type_t;
+
+struct guest_info;
+struct v3_interrupt;
+
+/* 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 v3_irq_hook {
+ int (*handler)(struct guest_info * info, struct v3_interrupt * intr, void * priv_data);
+ void * priv_data;
+};
+
+
+struct v3_intr_state {
+
+ /* 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 v3_irq_hook * hooks[256];
+
+};
+
+
+
+void v3_init_interrupt_state(struct guest_info * info);
+
+
+int v3_raise_irq(struct guest_info * info, int irq);
+int v3_lower_irq(struct guest_info * info, int irq);
+
+
+
+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 v3_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 v3_intr_pending(struct guest_info * info);
+uint_t v3_get_intr_number(struct guest_info * info);
+intr_type_t v3_get_intr_type(struct guest_info * info);
+
+int v3_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);
+*/
+
+
+
+int v3_hook_irq(struct guest_info * info,
+ uint_t irq,
+ int (*handler)(struct guest_info * info, struct v3_interrupt * intr, void * priv_data),
+ void * priv_data);
+
+int v3_hook_passthrough_irq(struct guest_info *info, uint_t irq);
+
+
+
+#endif // !__V3VEE__
+
+
+
+#endif
