diff options
author | Stefan Fritsch <sf@sfritsch.de> | 2017-06-11 09:48:17 +0200 |
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committer | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2017-06-29 17:14:11 +0100 |
commit | bd1d5ad9f9a1347d6f4338f294253617c565c89a (patch) | |
tree | 0c6c05f44eae0cca3dae76962669e524a3d5125f /chardev | |
parent | 18f0828278c62bf5b50ec24a012073cd79535481 (diff) |
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
Diffstat (limited to 'chardev')
-rw-r--r-- | chardev/char.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/chardev/char.c b/chardev/char.c index bcfc065d16..2b679a2295 100644 --- a/chardev/char.c +++ b/chardev/char.c @@ -951,6 +951,18 @@ void qmp_chardev_remove(const char *id, Error **errp) object_unparent(OBJECT(chr)); } +void qmp_chardev_send_break(const char *id, Error **errp) +{ + Chardev *chr; + + chr = qemu_chr_find(id); + if (chr == NULL) { + error_setg(errp, "Chardev '%s' not found", id); + return; + } + qemu_chr_be_event(chr, CHR_EVENT_BREAK); +} + void qemu_chr_cleanup(void) { object_unparent(get_chardevs_root()); |