1 /* Copyright (c) 2004-2015. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "host_interface.hpp"
9 #ifndef VM_INTERFACE_HPP_
10 #define VM_INTERFACE_HPP_
12 #define GUESTOS_NOISE 100 // This value corresponds to the cost of the global action associated to the VM
13 // It corresponds to the cost of a VM running no tasks.
26 /** @ingroup SURF_callbacks
27 * @brief Callbacks fired after VM creation. Signature: `void(VM*)`
29 extern surf_callback(void, VM*) VMCreatedCallbacks;
31 /** @ingroup SURF_callbacks
32 * @brief Callbacks fired after VM destruction. Signature: `void(VM*)`
34 extern surf_callback(void, VM*) VMDestructedCallbacks;
36 /** @ingroup SURF_callbacks
37 * @brief Callbacks after VM State changes. Signature: `void(VMAction*)`
39 extern surf_callback(void, VM*) VMStateChangedCallbacks;
45 /** @ingroup SURF_vm_interface
46 * @brief SURF VM interface class
47 * @details A VM represent a virtual machine
49 class VM : public Host {
54 * @param model VMModel associated to this VM
55 * @param name The name of the VM
56 * @param props Dictionary of properties associated to this VM
57 * @param netElm The RoutingEdge associated to this VM
58 * @param cpu The Cpu associated to this VM
60 VM(Model *model, const char *name, xbt_dict_t props,
61 RoutingEdge *netElm, Cpu *cpu);
63 /** @brief Destructor */
66 void setState(e_surf_resource_state_t state);
68 /** @brief Suspend the VM */
69 virtual void suspend()=0;
71 /** @brief Resume the VM */
72 virtual void resume()=0;
74 /** @brief Save the VM (Not yet implemented) */
75 virtual void save()=0;
77 /** @brief Restore the VM (Not yet implemented) */
78 virtual void restore()=0;
80 /** @brief Migrate the VM to the destination host */
81 virtual void migrate(surf_resource_t dest_PM)=0;
83 /** @brief Get the physical machine hosting the VM */
84 virtual surf_resource_t getPm()=0;
86 virtual void setBound(double bound)=0;
87 virtual void setAffinity(Cpu *cpu, unsigned long mask)=0;
89 /* The vm object of the lower layer */
91 Host *p_subWs; // Pointer to the ''host'' OS
92 e_surf_vm_state_t p_currentState;
94 boost::intrusive::list_member_hook<> vm_hook;
100 /** @ingroup SURF_vm_interface
101 * @brief SURF VM model interface class
102 * @details A model is an object which handle the interactions between its Resources and its Actions
104 class VMModel : public HostModel {
106 VMModel() :HostModel(){}
109 Host *createHost(const char *name){DIE_IMPOSSIBLE;}
112 * @brief Create a new VM
114 * @param name The name of the new VM
115 * @param host_PM The real machine hosting the VM
118 virtual VM *createVM(const char *name, surf_resource_t host_PM)=0;
119 void adjustWeightOfDummyCpuActions() {};
121 typedef boost::intrusive::member_hook<
122 VM, boost::intrusive::list_member_hook<>, &VM::vm_hook> VmOptions;
123 typedef boost::intrusive::list<VM, VmOptions, boost::intrusive::constant_time_size<false> > vm_list_t;
124 static vm_list_t ws_vms;
131 #endif /* VM_INTERFACE_HPP_ */