Storage Abstraction Layer
=========================

In order to improve platform independence and portability a storage abstraction
layer is used to store test results to non-volatile platform storage.

Each platform should register devices and their drivers via the storage layer.
These drivers then need to be initialized using the ``tftf_platform_setup()``
function.

.. warning::
   It is mandatory to implement at least one storage driver.

For the FVP and Juno platforms the NOR Flash driver is provided as the default
means to store test results to storage. The storage layer is described in the
header file ``include/lib/io_storage.h``. The implementation of the common
library is in ``drivers/io/io_storage.c`` and the driver files are located in
``drivers/io/``.

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