linuxdebug/Documentation/networking/devlink/devlink-selftests.rst

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.. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
=================
Devlink Selftests
=================
The ``devlink-selftests`` API allows executing selftests on the device.
Tests Mask
==========
The ``devlink-selftests`` command should be run with a mask indicating
the tests to be executed.
Tests Description
=================
The following is a list of tests that drivers may execute.
.. list-table:: List of tests
:widths: 5 90
* - Name
- Description
* - ``DEVLINK_SELFTEST_FLASH``
- Devices may have the firmware on non-volatile memory on the board, e.g.
flash. This particular test helps to run a flash selftest on the device.
Implementation of the test is left to the driver/firmware.
example usage
-------------
.. code:: shell
# Query selftests supported on the devlink device
$ devlink dev selftests show DEV
# Query selftests supported on all devlink devices
$ devlink dev selftests show
# Executes selftests on the device
$ devlink dev selftests run DEV id flash