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Add a framework for running selftests. Framework exposes devlink commands and test suite(s) to the user to execute and query the supported tests by the driver. Below are new entries in devlink_nl_ops devlink_nl_cmd_selftests_show_doit/dumpit: To query the supported selftests by the drivers. devlink_nl_cmd_selftests_run: To execute selftests. Users can provide a test mask for executing group tests or standalone tests. Documentation/networking/devlink/ path is already part of MAINTAINERS & the new files come under this path. Hence no update needed to the MAINTAINERS Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com> Reviewed-by: Andy Gospodarek <gospo@broadcom.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
38 lines
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38 lines
1 KiB
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.. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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=================
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Devlink Selftests
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=================
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The ``devlink-selftests`` API allows executing selftests on the device.
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Tests Mask
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==========
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The ``devlink-selftests`` command should be run with a mask indicating
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the tests to be executed.
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Tests Description
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=================
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The following is a list of tests that drivers may execute.
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.. list-table:: List of tests
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:widths: 5 90
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* - Name
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- Description
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* - ``DEVLINK_SELFTEST_FLASH``
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- Devices may have the firmware on non-volatile memory on the board, e.g.
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flash. This particular test helps to run a flash selftest on the device.
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Implementation of the test is left to the driver/firmware.
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example usage
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-------------
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.. code:: shell
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# Query selftests supported on the devlink device
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$ devlink dev selftests show DEV
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# Query selftests supported on all devlink devices
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$ devlink dev selftests show
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# Executes selftests on the device
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$ devlink dev selftests run DEV id flash
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