Lines Matching refs:Handle
97 path node. If the handle associate with one device path node can not
103 @param MatchingHandle Return the controller handle closest to the DevicePathToConnect
108 @retval EFI_NOT_FOUND Create the handle associate with one device path
122 EFI_HANDLE Handle;
137 // Find the handle that best matches the Device Path. If it is only a
142 Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &RemainingDevicePath, &Handle);
144 if (Handle == PreviousHandle) {
157 // to prevent dead loop when control handle is found but connection failded case
165 PreviousHandle = Handle;
167 // Connect all drivers that apply to Handle and RemainingDevicePath,
173 // 1. If the connect fail, RemainingDevicepath and handle will not
176 // 2. If the connect success, the RemainingDevicepath and handle will
180 Status = gBS->ConnectController (Handle, NULL, RemainingDevicePath, FALSE);
185 *MatchingHandle = Handle;
202 gBS->DisconnectController() is invoked for each handle exists in system handle buffer.
203 If handle is a bus type handle, all childrens also are disconnected recursively by
247 @return EFI_NOT_FOUND Fail to find handle for USB controller to connect.
