This small series introduces the vfio_set_event_handler() helper which allows to set up/tear down the VFIO signalling of eventfd for ERR, REQ and INTX irq indices.
On top of that, a new irq index is planned to signal DMA faults in nested mode use case. This would use exactly the same mechanics. Eric Auger (2): vfio-pci: Introduce vfio_set_event_handler helper vfio-pci: Use vfio_set_event_handler in vfio_intx_enable hw/vfio/pci.c | 347 +++++++++++++++++++++----------------------------- 1 file changed, 145 insertions(+), 202 deletions(-) -- 2.20.1