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.


Corrected RTC timer bug (nvram)
[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 #define MAX_IRQ 256
45
46
47 struct v3_intr_routers {
48     struct list_head router_list;
49
50     v3_lock_t irq_lock;
51
52     /* some way to get the [A]PIC intr */
53     struct v3_irq_hook * hooks[256];
54 };
55
56 struct v3_intr_core_state {
57     uint_t irq_pending;
58     uint_t irq_started;
59     uint_t irq_vector;
60
61     uint8_t virq_map[MAX_IRQ / 8];
62
63     v3_lock_t irq_lock;
64
65     struct list_head controller_list;
66 };
67
68
69
70 void v3_init_intr_controllers(struct guest_info * core);
71 void v3_init_intr_routers(struct v3_vm_info * vm);
72
73 void v3_deinit_intr_controllers(struct guest_info * core);
74 void v3_deinit_intr_routers(struct v3_vm_info * vm);
75
76 int v3_raise_virq(struct guest_info * info, int irq);
77 int v3_lower_virq(struct guest_info * info, int irq);
78
79 int v3_raise_irq(struct v3_vm_info * vm, int irq);
80 int v3_lower_irq(struct v3_vm_info * vm, int irq);
81
82
83
84 struct intr_ctrl_ops {
85     int (*intr_pending)(struct guest_info * info, void * private_data);
86     int (*get_intr_number)(struct guest_info * info, void * private_data);
87     int (*begin_irq)(struct guest_info * info, void * private_data, int irq);
88 };
89
90 struct intr_router_ops {
91     int (*raise_intr)(struct v3_vm_info * vm, void * private_data, int irq);
92     int (*lower_intr)(struct v3_vm_info * vm, void * private_data, int irq);
93 };
94
95 void v3_clear_pending_intr(struct guest_info * core);
96
97
98 void * v3_register_intr_controller(struct guest_info * info, struct intr_ctrl_ops * ops, void * priv_data);
99 void * v3_register_intr_router(struct v3_vm_info * vm, struct intr_router_ops * ops, void * priv_data);
100
101 void v3_remove_intr_controller(struct guest_info * core, void * handle);
102 void v3_remove_intr_router(struct v3_vm_info * vm, void * handle);
103
104 v3_intr_type_t v3_intr_pending(struct guest_info * info);
105 uint32_t v3_get_intr(struct guest_info * info);
106 int v3_injecting_intr(struct guest_info * info, uint_t intr_num, v3_intr_type_t type);
107
108
109
110 /*
111   int start_irq(struct vm_intr * intr);
112   int end_irq(struct vm_intr * intr, int irq);
113 */
114
115
116
117 int v3_hook_irq(struct v3_vm_info * vm, 
118                 uint_t irq,
119                 int (*handler)(struct v3_vm_info * vm, struct v3_interrupt * intr, void * priv_data),
120                 void  * priv_data);
121
122 int v3_hook_passthrough_irq(struct v3_vm_info * vm, uint_t irq);
123
124
125
126 #endif // !__V3VEE__
127
128
129
130 #endif