This patch adds some helper functions to manipulate the
Posted-Interrupts Descriptor.
Signed-off-by: NFeng Wu <feng.wu@intel.com>
Reviewed-by: NPaolo Bonzini <pbonzini@redhat.com>
Reviewed-by: NAlex Williamson <alex.williamson@redhat.com>
[Make the new functions inline. - Paolo]
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>