Non-QDIO Open Systems Adapter
The awsosa device manager can emulate QDIO or non-QDIO operation. The mode is selected by the pathtype parameter in the device map (devmap). OSA-Express Direct (OSD) specifies a QDIO operation, and OSA-Express (OSE) specifies a non-QDIO operation. A non-QDIO operation is also known as an LAN Channel Station (LCS) operation or 3172 operation, although these descriptions are not exactly correct. A non-QDIO operation can involve TCP/IP, Systems Network Architecture (SNA), or both, although SNA usage is not tested or supported ...