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.. _OPAL_PCI_GET_POWER_STATE:
OPAL_PCI_GET_POWER_STATE
========================
.. code-block:: c
#define OPAL_PCI_GET_POWER_STATE 120
int64_t opal_pci_get_power_state(uint64_t id, uint64_t data);
Get PCI slot power state
Parameter
---------
``uint64_t id``
PCI slot ID
``uint64_t data``
memory buffer pointer for power state
Calling
-------
Retrieve PCI slot's power state. The retrieved power state is stored
in buffer pointed by @data.
Return Codes
------------
:ref:`OPAL_SUCCESS`
PCI slot's power state is retrieved successfully
:ref:`OPAL_PARAMETER`
The indicated PCI slot isn't found
:ref:`OPAL_UNSUPPORTED`
Power state retrieval not supported on the PCI slot
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