+ THROWF(vm_error, 0, "The VM %s cannot be started", SIMIX_host_get_name(ind_vm));
+}
+
+
+int SIMIX_vm_get_state(smx_host_t ind_vm)
+{
+ return surf_resource_get_state(surf_workstation_resource_priv(ind_vm));
+}
+
+/**
+ * \brief Function to migrate a SIMIX VM host.
+ *
+ * \param host the vm host to migrate (a smx_host_t)
+ */
+void SIMIX_vm_migrate(smx_host_t ind_vm, smx_host_t ind_dst_pm)
+{
+ /* precopy migration makes the VM temporally paused */
+ xbt_assert(SIMIX_vm_get_state(ind_vm) == SURF_VM_STATE_SUSPENDED);
+
+ /* jump to vm_ws_xigrate(). this will update the vm location. */
+ surf_vm_workstation_migrate(ind_vm, ind_dst_pm);
+}
+
+/**
+ * \brief Function to get the physical host of the given SIMIX VM host.
+ *
+ * \param host the vm host to get_phys_host (a smx_host_t)
+ */
+void *SIMIX_vm_get_pm(smx_host_t ind_vm)
+{
+ /* jump to vm_ws_get_pm(). this will return the vm name. */
+ return surf_vm_workstation_get_pm(ind_vm);
+}
+
+/**
+ * \brief Function to set the CPU bound of the given SIMIX VM host.
+ *
+ * \param host the vm host (a smx_host_t)
+ * \param bound bound (a double)
+ */
+void SIMIX_vm_set_bound(smx_host_t ind_vm, double bound)
+{
+ /* jump to vm_ws_set_vm_bound(). */
+ surf_vm_workstation_set_bound(ind_vm, bound);
+}
+
+/**
+ * \brief Function to set the CPU affinity of the given SIMIX VM host.
+ *
+ * \param host the vm host (a smx_host_t)
+ * \param host the pm host (a smx_host_t)
+ * \param mask affinity mask (a unsigned long)
+ */
+void SIMIX_vm_set_affinity(smx_host_t ind_vm, smx_host_t ind_pm, unsigned long mask)
+{
+ /* make sure this at the MSG layer. */
+ xbt_assert(SIMIX_vm_get_pm(ind_vm) == ind_pm);
+
+ /* jump to vm_ws_set_vm_affinity(). */
+ surf_vm_workstation_set_affinity(ind_vm, ind_pm, mask);
+}
+
+
+/**
+ * \brief Function to suspend a SIMIX VM host. This function stops the execution of the
+ * VM. All the processes on this VM will pause. The state of the VM is
+ * preserved on memory. We can later resume it again.
+ *
+ * \param host the vm host to suspend (a smx_host_t)
+ */
+void SIMIX_vm_suspend(smx_host_t ind_vm, smx_process_t issuer)
+{
+ const char *name = SIMIX_host_get_name(ind_vm);
+
+ if (SIMIX_vm_get_state(ind_vm) != SURF_VM_STATE_RUNNING)
+ THROWF(vm_error, 0, "VM(%s) is not running", name);
+
+ XBT_DEBUG("suspend VM(%s), where %d processes exist", name, xbt_swag_size(SIMIX_host_priv(ind_vm)->process_list));
+
+ /* jump to vm_ws_suspend. The state will be set. */
+ surf_vm_workstation_suspend(ind_vm);
+
+ smx_process_t smx_process, smx_process_safe;
+ xbt_swag_foreach_safe(smx_process, smx_process_safe, SIMIX_host_priv(ind_vm)->process_list) {
+ XBT_DEBUG("suspend %s", smx_process->name);
+ SIMIX_process_suspend(smx_process, issuer);
+ }
+
+ XBT_DEBUG("suspend all processes on the VM done done");