54     IOUSBInterfaceInterface550** interface;  member
66           interface(nullptr),  in usb_handle()
319 static bool ClearPipeStallBothEnds(IOUSBInterfaceInterface550** interface, UInt8 bulkEp) {  in ClearPipeStallBothEnds()  argument
320     IOReturn rc = (*interface)->ClearPipeStallBothEnds(interface, bulkEp);  in ClearPipeStallBothEnds()
330 static std::unique_ptr<usb_handle> CheckInterface(IOUSBInterfaceInterface550** interface,  in CheckInterface()  argument
339     kr = (*interface)->USBInterfaceOpen(interface);  in CheckInterface()
346     kr = (*interface)->GetNumEndpoints(interface, &interfaceNumEndpoints);  in CheckInterface()
353     if ((*interface)->GetInterfaceClass(interface, &interfaceClass) != kIOReturnSuccess ||  in CheckInterface()
354             (*interface)->GetInterfaceSubClass(interface, &interfaceSubClass) != kIOReturnSuccess ||  in CheckInterface()
355             (*interface)->GetInterfaceProtocol(interface, &interfaceProtocol) != kIOReturnSuccess) {  in CheckInterface()
383         kr = (*interface)  in CheckInterface()
384                  ->GetPipePropertiesV2(interface, endpoint, &direction, &number, &transferType,  in CheckInterface()
397             if (!ClearPipeStallBothEnds(interface, handle->bulkIn)) goto err_get_pipe_props;  in CheckInterface()
402             if (!ClearPipeStallBothEnds(interface, handle->bulkOut)) goto err_get_pipe_props;  in CheckInterface()
416     handle->interface = interface;  in CheckInterface()
423     (*interface)->USBInterfaceClose(interface);  in CheckInterface()
480     if (NULL == handle->interface) {  in usb_write()
491         (*handle->interface)->WritePipe(handle->interface, handle->bulkOut, (void *)buf, len);  in usb_write()
497                 (*handle->interface)->WritePipe(  in usb_write()
498                         handle->interface, handle->bulkOut, (void *)buf, 0);  in usb_write()
522     if (NULL == handle->interface) {  in usb_read()
532     result = (*handle->interface)->ReadPipe(handle->interface, handle->bulkIn, buf, &numBytes);  in usb_read()
536         (*handle->interface)->ClearPipeStall(handle->interface, handle->bulkIn);  in usb_read()
537         result = (*handle->interface)->ReadPipe(handle->interface, handle->bulkIn, buf, &numBytes);  in usb_read()
576         (*handle->interface)->USBInterfaceClose(handle->interface);  in usb_kick_locked()
577         (*handle->interface)->Release(handle->interface);  in usb_kick_locked()