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authorStefan Fritsch <sf@sfritsch.de>2017-06-11 09:48:17 +0200
committerDr. David Alan Gilbert <dgilbert@redhat.com>2017-06-29 17:14:11 +0100
commitbd1d5ad9f9a1347d6f4338f294253617c565c89a (patch)
tree0c6c05f44eae0cca3dae76962669e524a3d5125f /chardev
parent18f0828278c62bf5b50ec24a012073cd79535481 (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.c12
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());