--- /dev/null
+/* Copyright (c) 2004-2015. The SimGrid Team.
+ * All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#include <boost/intrusive/list.hpp>
+#include <deque>
+
+#include <xbt/base.h>
+
+#include "src/surf/HostImpl.hpp"
+
+#ifndef VM_INTERFACE_HPP_
+#define VM_INTERFACE_HPP_
+
+#define GUESTOS_NOISE 100 // This value corresponds to the cost of the global action associated to the VM
+ // It corresponds to the cost of a VM running no tasks.
+
+namespace simgrid {
+namespace surf {
+
+/***********
+ * Classes *
+ ***********/
+
+class XBT_PRIVATE VMModel;
+class XBT_PRIVATE VirtualMachineImpl;
+
+/*************
+ * Callbacks *
+ *************/
+
+/** @ingroup SURF_callbacks
+ * @brief Callbacks fired after VM creation. Signature: `void(VirtualMachine*)`
+ */
+extern XBT_PRIVATE simgrid::xbt::signal<void(simgrid::surf::VirtualMachineImpl*)> onVmCreation;
+
+/** @ingroup SURF_callbacks
+ * @brief Callbacks fired after VM destruction. Signature: `void(VirtualMachine*)`
+ */
+extern XBT_PRIVATE simgrid::xbt::signal<void(simgrid::surf::VirtualMachineImpl*)> onVmDestruction;
+
+/** @ingroup SURF_callbacks
+ * @brief Callbacks after VM State changes. Signature: `void(VirtualMachine*)`
+ */
+extern XBT_PRIVATE simgrid::xbt::signal<void(simgrid::surf::VirtualMachineImpl*)> onVmStateChange;
+
+/************
+ * Resource *
+ ************/
+
+/** @ingroup SURF_vm_interface
+ * @brief SURF VM interface class
+ * @details A VM represent a virtual machine
+ */
+class VirtualMachineImpl : public HostImpl {
+public:
+ VirtualMachineImpl(const char* name, simgrid::s4u::Host* host);
+ ~VirtualMachineImpl();
+
+ /** @brief Suspend the VM */
+ virtual void suspend();
+
+ /** @brief Resume the VM */
+ virtual void resume();
+
+ /** @brief Save the VM (Not yet implemented) */
+ virtual void save();
+
+ /** @brief Restore the VM (Not yet implemented) */
+ virtual void restore();
+
+ /** @brief Migrate the VM to the destination host */
+ virtual void migrate(sg_host_t dest_PM);
+
+ /** @brief Get the physical machine hosting the VM */
+ sg_host_t getPm();
+
+ virtual void setBound(double bound);
+
+ /* The vm object of the lower layer */
+ CpuAction* action_ = nullptr;
+
+protected:
+ simgrid::s4u::Host* hostPM_;
+
+public:
+ e_surf_vm_state_t getState();
+ void setState(e_surf_vm_state_t state);
+ static std::deque<VirtualMachineImpl*> allVms_;
+
+protected:
+ e_surf_vm_state_t vmState_ = SURF_VM_STATE_CREATED;
+};
+
+/*********
+ * Model *
+ *********/
+/** @ingroup SURF_vm_interface
+ * @brief SURF VM model interface class
+ * @details A model is an object which handle the interactions between its Resources and its Actions
+ */
+class VMModel : public HostModel {
+public:
+ /**
+ * @brief Create a new VM
+ *
+ * @param name The name of the new VM
+ * @param host_PM The real machine hosting the VM
+ */
+ s4u::Host* createVM(const char* name, sg_host_t host_PM);
+ void adjustWeightOfDummyCpuActions() override{};
+
+ double nextOccuringEvent(double now) override;
+ void updateActionsState(double /*now*/, double /*delta*/) override{};
+};
+}
+}
+
+#endif /* VM_INTERFACE_HPP_ */
