OPAL_PCI_MSI_EOI

#define OPAL_PCI_MSI_EOI                     63

int64_t opal_pci_msi_eoi(uint64_t phb_id, uint32_t hwirq);

Only required on PHB3 (POWER8) based systems.

Returns

OPAL_SUCCESS
Success!
OPAL_PARAMETER
Invalid PHB id or hwirq.
OPAL_HARDWARE
Hardware or configuration issue.
OPAL_UNSUPPORTED
Unsupported on this PHB.