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Diffstat (limited to 'roms/skiboot/doc/opal-api/opal-pci-get-power-state-120.rst')
| -rw-r--r-- | roms/skiboot/doc/opal-api/opal-pci-get-power-state-120.rst | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/roms/skiboot/doc/opal-api/opal-pci-get-power-state-120.rst b/roms/skiboot/doc/opal-api/opal-pci-get-power-state-120.rst new file mode 100644 index 000000000..fa0375d83 --- /dev/null +++ b/roms/skiboot/doc/opal-api/opal-pci-get-power-state-120.rst @@ -0,0 +1,37 @@ +.. _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 |