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.. _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.
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