.. _OPAL_PCI_MSI_EOI: OPAL_PCI_MSI_EOI ================ .. code-block:: c #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 ------- :ref:`OPAL_SUCCESS` Success! :ref:`OPAL_PARAMETER` Invalid PHB id or hwirq. :ref:`OPAL_HARDWARE` Hardware or configuration issue. :ref:`OPAL_UNSUPPORTED` Unsupported on this PHB.