2221 static inline bool dmar_detect_dsm(acpi_handle handle, int func)  in dmar_detect_dsm()  argument
2223 	return acpi_check_dsm(handle, &dmar_hp_guid, DMAR_DSM_REV_ID, 1 << func);  in dmar_detect_dsm()
2226 static int dmar_walk_dsm_resource(acpi_handle handle, int func,  in dmar_walk_dsm_resource()  argument
2240 	if (!dmar_detect_dsm(handle, func))  in dmar_walk_dsm_resource()
2243 	obj = acpi_evaluate_dsm_typed(handle, &dmar_hp_guid, DMAR_DSM_REV_ID,  in dmar_walk_dsm_resource()
2315 static int dmar_hotplug_insert(acpi_handle handle)  in dmar_hotplug_insert()  argument
2320 	ret = dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_DRHD,  in dmar_hotplug_insert()
2325 	ret = dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_DRHD,  in dmar_hotplug_insert()
2334 	ret = dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_RHSA,  in dmar_hotplug_insert()
2339 	ret = dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_ATSR,  in dmar_hotplug_insert()
2344 	ret = dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_DRHD,  in dmar_hotplug_insert()
2349 	dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_DRHD,  in dmar_hotplug_insert()
2352 	dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_ATSR,  in dmar_hotplug_insert()
2355 	dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_DRHD,  in dmar_hotplug_insert()
2361 static int dmar_hotplug_remove(acpi_handle handle)  in dmar_hotplug_remove()  argument
2365 	ret = dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_ATSR,  in dmar_hotplug_remove()
2370 	ret = dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_DRHD,  in dmar_hotplug_remove()
2373 		WARN_ON(dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_ATSR,  in dmar_hotplug_remove()
2375 		WARN_ON(dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_DRHD,  in dmar_hotplug_remove()
2378 		dmar_walk_dsm_resource(handle, DMAR_DSM_FUNC_DRHD,  in dmar_hotplug_remove()
2385 static acpi_status dmar_get_dsm_handle(acpi_handle handle, u32 lvl,  in dmar_get_dsm_handle()  argument
2390 	if (dmar_detect_dsm(handle, DMAR_DSM_FUNC_DRHD)) {  in dmar_get_dsm_handle()
2391 		*phdl = handle;  in dmar_get_dsm_handle()
2398 static int dmar_device_hotplug(acpi_handle handle, bool insert)  in dmar_device_hotplug()  argument
2407 	if (dmar_detect_dsm(handle, DMAR_DSM_FUNC_DRHD)) {  in dmar_device_hotplug()
2408 		tmp = handle;  in dmar_device_hotplug()
2410 		status = acpi_walk_namespace(ACPI_TYPE_DEVICE, handle,  in dmar_device_hotplug()
2432 int dmar_device_add(acpi_handle handle)  in dmar_device_add()  argument
2434 	return dmar_device_hotplug(handle, true);  in dmar_device_add()
2437 int dmar_device_remove(acpi_handle handle)  in dmar_device_remove()  argument
2439 	return dmar_device_hotplug(handle, false);  in dmar_device_remove()