Add chardev-send-break monitor command

Sending a break on a serial console can be useful for debugging the
guest. But not all chardev backends support sending breaks (only telnet
and mux do). The chardev-send-break command allows to send a break even
if using other backends.

Signed-off-by: Stefan Fritsch <sf@sfritsch.de>
Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20170611074817.13621-1-sf@sfritsch.de>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
  Use 'send a break' in all 3 pieces of text as suggested by eblake
This commit is contained in:
Stefan Fritsch 2017-06-11 09:48:17 +02:00 committed by Dr. David Alan Gilbert
parent 18f0828278
commit bd1d5ad9f9
7 changed files with 68 additions and 2 deletions

8
hmp.c
View file

@ -2236,6 +2236,14 @@ void hmp_chardev_remove(Monitor *mon, const QDict *qdict)
hmp_handle_error(mon, &local_err);
}
void hmp_chardev_send_break(Monitor *mon, const QDict *qdict)
{
Error *local_err = NULL;
qmp_chardev_send_break(qdict_get_str(qdict, "id"), &local_err);
hmp_handle_error(mon, &local_err);
}
void hmp_qemu_io(Monitor *mon, const QDict *qdict)
{
BlockBackend *blk;