palacios/src/vnet/vnet_host.c

   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, Lei Xia <lxia@northwestern.edu>
  11  * Copyright (c) 2011, The V3VEE Project <http://www.v3vee.org>
  12  * All rights reserved.
  13  *
  14  * Author: Lei Xia <lxia@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 #include <vnet/vnet_host.h>
  21 #include <vnet/vnet.h>
  22
  23 struct vnet_host_hooks * host_hooks;
  24
  25 struct vnet_thread * vnet_start_thread(int (*func)(void *), void *arg, char * name){
  26     if((host_hooks) && host_hooks->thread_start){
  27
  28         struct vnet_thread * thread = Vnet_Malloc(sizeof(struct vnet_thread));
  29
  30         if (!thread) {
  31             PrintError(VM_NONE, VCORE_NONE, "Cannot allocate space to create a vnet thread\n");
  32             return NULL;
  33         }
  34
  35         thread->host_thread = host_hooks->thread_start(func, arg, name);
  36
  37         if(thread->host_thread){
  38             return thread;
  39         }
  40         Vnet_Free(thread);
  41     }
  42
  43     return NULL;
  44 }
  45
  46
  47 struct vnet_timer * vnet_create_timer(unsigned long interval,
  48                                       void (* timer_fun)(void * priv_data),
  49                                       void * priv_data){
  50     if((host_hooks) && host_hooks->timer_create){
  51         struct vnet_timer * timer = Vnet_Malloc(sizeof(struct vnet_timer));
  52
  53         if (!timer) {
  54             PrintError(VM_NONE, VCORE_NONE, "Cannot allocate space to create a vnet timer\n");
  55             return NULL;
  56         }
  57
  58         timer->host_timer = host_hooks->timer_create(interval, timer_fun, priv_data);
  59
  60         return timer;
  61     }
  62
  63     return NULL;
  64  }
  65
  66
  67 void init_vnet(struct vnet_host_hooks * hooks){
  68     host_hooks = hooks;
  69     v3_init_vnet();
  70 }
  71
  72
  73 void deinit_vnet(){
  74     v3_deinit_vnet();
  75     //    host_hooks = NULL;
  76 }
  77