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.


19f54fc73f065d72f11b886f5e83c72c8d544c26
[palacios.git] / palacios / include / palacios / vmm_barrier.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) 2011, Jack Lange <jacklange@cs.pitt.edu> 
11  * Copyright (c) 2011, The V3VEE Project <http://www.v3vee.org> 
12  * All rights reserved.
13  *
14  * Author: Jack Lange <jacklange@cs.pitt.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_BARRIER_H__
21 #define __VMM_BARRIER_H__
22
23 #ifdef __V3VEE__
24
25 #include <palacios/vmm_lock.h>
26 #include <palacios/vmm_bitmap.h>
27
28
29
30 struct v3_barrier {
31     int active;     // If 1, barrier is active, everyone must wait 
32                     // If 0, barrier is clear, can proceed
33
34     struct v3_bitmap cpu_map;
35
36     v3_lock_t lock;
37 };
38
39 struct v3_vm_info;
40 struct guest_info;
41
42 int v3_init_barrier(struct v3_vm_info * vm_info);
43 int v3_deinit_barrier(struct v3_vm_info * vm_info);
44
45 int v3_raise_barrier(struct v3_vm_info * vm_info, struct guest_info * local_core);
46 int v3_lower_barrier(struct v3_vm_info * vm_info);
47
48 int v3_wait_at_barrier(struct guest_info * core);
49
50
51 #endif
52
53 #endif