Add mmap function that allows host application to open up BAR2 memory
for remote spooling out messages from the VK logger.
Co-developed-by: Desmond Yan <desmond.yan@broadcom.com>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Desmond Yan <desmond.yan@broadcom.com>
Signed-off-by: Scott Branden <scott.branden@broadcom.com>
Link: https://lore.kernel.org/r/20210120175827.14820-12-scott.branden@broadcom.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>