tree 25cbad7d9dfb64ec7f7ae4a4ef932e6ad0cb35bb
parent e300ac275bbf19b31cf5968b8de8abe52c26e163
author Amit Shah <amit.shah@redhat.com> 1291980074 +0530
committer Amit Shah <amit.shah@redhat.com> 1295514502 +0530

virtio-serial: Add support for flow control

This commit lets apps signal an incomplete write.  When that happens,
stop sending out any more data to the app and wait for it to unthrottle
the port.

Signed-off-by: Amit Shah <amit.shah@redhat.com>