CONFIG_QDIO is not available for thedefaultarchitecture x86.
Result is shown for architecture s390

QDIO support

modulename: qdio.ko

configname: CONFIG_QDIO

Linux Kernel Configuration
└─>I/O subsystem
└─>QDIO support
In linux kernel since version 2.6.12  
This driver provides the Queued Direct I/O base support for
IBM System z.

To compile this driver as a module, choose M here: the
module will be called qdio.

If unsure, say Y.

source code: