2 * This file is part of the Palacios Virtual Machine Monitor developed
3 * by the V3VEE Project with funding from the United States National
4 * Science Foundation and the Department of Energy.
6 * The V3VEE Project is a joint project between Northwestern University
7 * and the University of New Mexico. You can find out more at
10 * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
11 * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
12 * All rights reserved.
14 * Author: Jack Lange <jarusl@cs.northwestern.edu>
16 * This is free software. You are permitted to use,
17 * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
26 #include <palacios/vmm_types.h>
27 #include <palacios/vmm_list.h>
28 #include <palacios/vmm_lock.h>
31 typedef enum {V3_INVALID_INTR, V3_EXTERNAL_IRQ, V3_VIRTUAL_IRQ, V3_NMI, V3_SOFTWARE_INTR} v3_intr_type_t;
40 int (*handler)(struct v3_vm_info * vm, struct v3_interrupt * intr, void * priv_data);
45 struct v3_swintr_hook {
46 int (*handler)(struct guest_info * core, uint8_t vector, void * priv_data);
54 struct v3_intr_routers {
55 struct list_head router_list;
59 /* some way to get the [A]PIC intr */
60 struct v3_irq_hook * hooks[256];
63 struct v3_intr_core_state {
68 // KCH: for injecting SW Interrupts
71 struct v3_swintr_hook * swintr_hooks[256];
73 uint8_t virq_map[MAX_IRQ / 8];
77 struct list_head controller_list;
82 void v3_init_intr_controllers(struct guest_info * core);
83 void v3_init_intr_routers(struct v3_vm_info * vm);
85 void v3_deinit_intr_controllers(struct guest_info * core);
86 void v3_deinit_intr_routers(struct v3_vm_info * vm);
88 int v3_raise_virq(struct guest_info * info, int irq);
89 int v3_lower_virq(struct guest_info * info, int irq);
91 int v3_raise_irq(struct v3_vm_info * vm, int irq);
92 int v3_lower_irq(struct v3_vm_info * vm, int irq);
96 struct intr_ctrl_ops {
97 int (*intr_pending)(struct guest_info * info, void * private_data);
98 int (*get_intr_number)(struct guest_info * info, void * private_data);
99 int (*begin_irq)(struct guest_info * info, void * private_data, int irq);
102 struct intr_router_ops {
103 int (*raise_intr)(struct v3_vm_info * vm, void * private_data, int irq);
104 int (*lower_intr)(struct v3_vm_info * vm, void * private_data, int irq);
107 void v3_clear_pending_intr(struct guest_info * core);
109 void * v3_register_intr_controller(struct guest_info * info, struct intr_ctrl_ops * ops, void * priv_data);
110 void * v3_register_intr_router(struct v3_vm_info * vm, struct intr_router_ops * ops, void * priv_data);
112 void v3_remove_intr_controller(struct guest_info * core, void * handle);
113 void v3_remove_intr_router(struct v3_vm_info * vm, void * handle);
115 v3_intr_type_t v3_intr_pending(struct guest_info * info);
116 uint32_t v3_get_intr(struct guest_info * info);
117 int v3_injecting_intr(struct guest_info * info, uint_t intr_num, v3_intr_type_t type);
122 int start_irq(struct vm_intr * intr);
123 int end_irq(struct vm_intr * intr, int irq);
127 int v3_hook_irq(struct v3_vm_info * vm,
129 int (*handler)(struct v3_vm_info * vm, struct v3_interrupt * intr, void * priv_data),
132 int v3_hook_passthrough_irq(struct v3_vm_info * vm, uint_t irq);
135 int v3_hook_swintr(struct guest_info * core,
137 int (*handler)(struct guest_info * core, uint8_t vector, void * priv_data),
140 int v3_hook_passthrough_swintr(struct guest_info * core, uint8_t vector);
143 int v3_signal_swintr(struct guest_info * core, int vec);
144 int v3_handle_swintr(struct guest_info * core);