What you should know about zfcp
The zfcp device driver is a low-level driver or host-bus adapter driver that supplements the Linux® SCSI stack.
Figure 1 illustrates how the device drivers work together.

For an introduction to the concepts of Fibre Channel Protocol support, and how various SCSI devices can be configured to build an IBM® mainframe FCP environment, see Fibre Channel Protocol for Linux and z/VM® on IBM System z®, SG24-7266.