Palacios Public Git Repository

To checkout Palacios execute

  git clone http://v3vee.org/palacios/palacios.web/palacios.git
This will give you the master branch. You probably want the devel branch or one of the release branches. To switch to the devel branch, simply execute
  cd palacios
  git checkout --track -b devel origin/devel
The other branches are similar.


62c8667ea6bf77c2ad01c66ca04aed7572fac42a
[palacios.git] / palacios / include / palacios / vmm_intr.h
1 /*
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.  
5  *
6  * The V3VEE Project is a joint project between Northwestern University
7  * and the University of New Mexico.  You can find out more at 
8  * http://www.v3vee.org
9  *
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.
13  *
14  * Author: Jack Lange <jarusl@cs.northwestern.edu>
15  *
16  * This is free software.  You are permitted to use,
17  * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
18  */
19
20 #ifndef __VMM_INTR_H_
21 #define __VMM_INTR_H_
22
23
24 #ifdef __V3VEE__
25
26 #include <palacios/vmm_types.h>
27 #include <palacios/vmm_list.h>
28 #include <palacios/vmm_lock.h>
29
30
31 typedef enum {V3_INVALID_INTR, V3_EXTERNAL_IRQ, V3_VIRTUAL_IRQ, V3_NMI, V3_SOFTWARE_INTR} v3_intr_type_t;
32
33 struct guest_info;
34 struct v3_vm_info;
35 struct v3_interrupt;
36
37
38
39 struct v3_irq_hook {
40     int (*handler)(struct v3_vm_info * vm, struct v3_interrupt * intr, void * priv_data);
41     void * priv_data;
42 };
43
44 // KCH
45 struct v3_swintr_hook {
46     int (*handler)(struct guest_info * core, uint8_t vector, void * priv_data);
47     void * priv_data;
48 };
49
50
51 #define MAX_IRQ 256
52
53
54 struct v3_intr_routers {
55     struct list_head router_list;
56
57     v3_lock_t irq_lock;
58
59     /* some way to get the [A]PIC intr */
60     struct v3_irq_hook * hooks[256];
61 };
62
63 struct v3_intr_core_state {
64     uint_t irq_pending;
65     uint_t irq_started;
66     uint_t irq_vector;
67
68     // KCH: for injecting SW Interrupts
69     uint_t swintr_posted;
70     uint_t swintr_vector;
71     struct v3_swintr_hook * swintr_hooks[256];
72
73     uint8_t virq_map[MAX_IRQ / 8];
74
75     v3_lock_t irq_lock;
76
77     struct list_head controller_list;
78 };
79
80
81
82 void v3_init_intr_controllers(struct guest_info * core);
83 void v3_init_intr_routers(struct v3_vm_info * vm);
84
85 void v3_deinit_intr_controllers(struct guest_info * core);
86 void v3_deinit_intr_routers(struct v3_vm_info * vm);
87
88 int v3_raise_virq(struct guest_info * info, int irq);
89 int v3_lower_virq(struct guest_info * info, int irq);
90
91 int v3_raise_irq(struct v3_vm_info * vm, int irq);
92 int v3_lower_irq(struct v3_vm_info * vm, int irq);
93
94
95
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);
100 };
101
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);
105 };
106
107 void v3_clear_pending_intr(struct guest_info * core);
108
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);
111
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);
114
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);
118
119
120
121 /*
122   int start_irq(struct vm_intr * intr);
123   int end_irq(struct vm_intr * intr, int irq);
124 */
125
126
127 int v3_hook_irq(struct v3_vm_info * vm, 
128                 uint_t irq,
129                 int (*handler)(struct v3_vm_info * vm, struct v3_interrupt * intr, void * priv_data),
130                 void  * priv_data);
131
132 int v3_hook_passthrough_irq(struct v3_vm_info * vm, uint_t irq);
133
134
135 int v3_hook_swintr(struct guest_info * core,
136         uint8_t vector,
137         int (*handler)(struct guest_info * core, uint8_t vector, void * priv_data),
138         void * priv_data);
139
140 int v3_hook_passthrough_swintr(struct guest_info * core, uint8_t vector);
141
142
143 int v3_signal_swintr(struct guest_info * core, int vec);
144 int v3_handle_swintr(struct guest_info * core);
145
146 #endif // !__V3VEE__
147
148
149
150 #endif