
Extend the TPM TIS interface with state migration support. We need to synchronize with the backend thread to make sure that a command being processed by the external TPM emulator has completed and its response been received. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>