-/* TODO use handlers and keep smx_host_t hidden from higher levels */
-XBT_PUBLIC(smx_host_t) simcall_host_get_by_name(const char *name);
-XBT_PUBLIC(const char *) simcall_host_get_name(smx_host_t host);
-XBT_PUBLIC(xbt_dict_t) simcall_host_get_properties(smx_host_t host);
-XBT_PUBLIC(void) simcall_host_on(smx_host_t host);
-XBT_PUBLIC(void) simcall_host_off(smx_host_t host);
-XBT_PUBLIC(int) simcall_host_get_core(smx_host_t host);
-XBT_PUBLIC(xbt_swag_t) simcall_host_get_process_list(smx_host_t host);
-XBT_PUBLIC(double) simcall_host_get_speed(smx_host_t host);
-XBT_PUBLIC(double) simcall_host_get_available_speed(smx_host_t host);
-/* Two possible states, 1 - CPU ON and 0 CPU OFF */
-XBT_PUBLIC(int) simcall_host_get_state(smx_host_t host);
-XBT_PUBLIC(void *) simcall_host_get_data(smx_host_t host);
-
-XBT_PUBLIC(void) simcall_host_set_data(smx_host_t host, void *data);
-
-XBT_PUBLIC(double) simcall_host_get_current_power_peak(smx_host_t host);
-XBT_PUBLIC(double) simcall_host_get_power_peak_at(smx_host_t host, int pstate_index);
-XBT_PUBLIC(int) simcall_host_get_nb_pstates(smx_host_t host);
-XBT_PUBLIC(void) simcall_host_set_power_peak_at(smx_host_t host, int pstate_index);
-XBT_PUBLIC(double) simcall_host_get_consumed_energy(smx_host_t host);
-
-XBT_PUBLIC(smx_action_t) simcall_host_execute(const char *name, smx_host_t host,
- double computation_amount,
- double priority, double bound, unsigned long affinity_mask);
-XBT_PUBLIC(smx_action_t) simcall_host_parallel_execute(const char *name,
- int host_nb,
- smx_host_t *host_list,
- double *computation_amount,
- double *communication_amount,
- double amount,
- double rate);
-XBT_PUBLIC(void) simcall_host_execution_destroy(smx_action_t execution);
-XBT_PUBLIC(void) simcall_host_execution_cancel(smx_action_t execution);
-XBT_PUBLIC(double) simcall_host_execution_get_remains(smx_action_t execution);
-XBT_PUBLIC(e_smx_state_t) simcall_host_execution_get_state(smx_action_t execution);
-XBT_PUBLIC(void) simcall_host_execution_set_priority(smx_action_t execution, double priority);
-XBT_PUBLIC(void) simcall_host_execution_set_bound(smx_action_t execution, double bound);
-XBT_PUBLIC(void) simcall_host_execution_set_affinity(smx_action_t execution, smx_host_t host, unsigned long mask);
-XBT_PUBLIC(e_smx_state_t) simcall_host_execution_wait(smx_action_t execution);
-XBT_PUBLIC(xbt_dict_t) simcall_host_get_mounted_storage_list(smx_host_t host);
-XBT_PUBLIC(xbt_dynar_t) simcall_host_get_attached_storage_list(smx_host_t host);
-XBT_PUBLIC(void) simcall_host_get_params(smx_host_t vm, ws_params_t param);
-XBT_PUBLIC(void) simcall_host_set_params(smx_host_t vm, ws_params_t param);
+XBT_PUBLIC(void) simcall_host_set_data(sg_host_t host, void *data);
+
+XBT_PUBLIC(smx_activity_t) simcall_execution_start(const char *name,
+ double flops_amount,
+ double priority, double bound);
+XBT_PUBLIC(smx_activity_t)
+simcall_execution_parallel_start(const char* name, int host_nb, sg_host_t* host_list, double* flops_amount,
+ double* bytes_amount, double amount, double rate, double timeout);
+XBT_PUBLIC(void) simcall_execution_cancel(smx_activity_t execution);
+XBT_PUBLIC(void) simcall_execution_set_priority(smx_activity_t execution, double priority);
+XBT_PUBLIC(void) simcall_execution_set_bound(smx_activity_t execution, double bound);
+XBT_PUBLIC(e_smx_state_t) simcall_execution_wait(smx_activity_t execution);