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Diffstat (limited to 'roms/skiboot/doc/device-tree/ibm,opal/diagnostics.rst')
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diff --git a/roms/skiboot/doc/device-tree/ibm,opal/diagnostics.rst b/roms/skiboot/doc/device-tree/ibm,opal/diagnostics.rst new file mode 100644 index 000000000..96e7669eb --- /dev/null +++ b/roms/skiboot/doc/device-tree/ibm,opal/diagnostics.rst @@ -0,0 +1,21 @@ +ibm,opal/diagnostics device tree entries +======================================== + +The diagnostics node under ibm,opal describes a userspace-to-firmware +interface, supporting the runtime processor recovery diagnostics functions. + +**Note:** Some systemd init scripts look for the presence of the path +``/ibm,opal/diagnostics`` in order to run the opal-prd daemon. + +The properties of a prd node are: + +.. code-block:: dts + + / { + ibm,opal { + diagnostics { + compatible = "ibm,opal-prd"; + }; + }; + }; + |