OPAL_PCI_GET_POWER_STATE¶
#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¶
- OPAL_SUCCESS
PCI slot’s power state is retrieved successfully
- OPAL_PARAMETER
The indicated PCI slot isn’t found
- OPAL_UNSUPPORTED
Power state retrieval not supported on the PCI slot