Andre PrzywaraandChristoffer Dall
fd837b08d9
According to the KVM API documentation a successful MSI injection should return a value > 0 on success. Return possible errors in vgic_its_trigger_msi() and report a successful injection back to userland, while also reporting the case where the MSI could not be delivered due to the guest not having the LPI mapped, for instance. Signed-off-by: Andre Przywara <[email protected]> Reviewed-by: Eric Auger <[email protected]> Reviewed-by: Christoffer Dall <[email protected]> Signed-off-by: Christoffer Dall <[email protected]>