+void qemu_chr_set_echo(struct CharDriverState *chr, bool echo)
+{
+ if (chr->chr_set_echo) {
+ chr->chr_set_echo(chr, echo);
+ }
+}
+
+void qemu_chr_guest_open(struct CharDriverState *chr)
+{
+ if (chr->chr_guest_open) {
+ chr->chr_guest_open(chr);
+ }
+}
+
+void qemu_chr_guest_close(struct CharDriverState *chr)
+{
+ if (chr->chr_guest_close) {
+ chr->chr_guest_close(chr);
+ }
+}
+