[Qemu-devel] [PATCH 05/21] char: add qemu_chr_fe_event()

["Marc-André Lureau" <marcandre.lureau@gmail.com>]

From: Marc-André Lureau <marcandre.lureau@redhat.com>

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
 include/sysemu/char.h | 10 ++++++++++
 qemu-char.c           |  7 +++++++
 spice-qemu-char.c     | 10 ++++++++++
 3 files changed, 27 insertions(+)

diff --git a/include/sysemu/char.h b/include/sysemu/char.h
index ad101d9..d23c8f1 100644
--- a/include/sysemu/char.h
+++ b/include/sysemu/char.h
@@ -69,6 +69,7 @@ struct CharDriverState {
     void (*chr_accept_input)(struct CharDriverState *chr);
     void (*chr_set_echo)(struct CharDriverState *chr, bool echo);
     void (*chr_set_fe_open)(struct CharDriverState *chr, int fe_open);
+    void (*chr_fe_event)(struct CharDriverState *chr, int event);
     void *opaque;
     char *label;
     char *filename;
@@ -138,6 +139,15 @@ void qemu_chr_fe_set_echo(struct CharDriverState *chr, bool echo);
 void qemu_chr_fe_set_open(struct CharDriverState *chr, int fe_open);
 
 /**
+ * @qemu_chr_fe_event:
+ *
+ * Send an event from the back end to the front end.
+ *
+ * @event the event to send
+ */
+void qemu_chr_fe_event(CharDriverState *s, int event);
+
+/**
  * @qemu_chr_fe_printf:
  *
  * Write to a character backend using a printf style interface.
diff --git a/qemu-char.c b/qemu-char.c
index e00f84c..418dc69 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -3353,6 +3353,13 @@ void qemu_chr_fe_set_open(struct CharDriverState *chr, int fe_open)
     }
 }
 
+void qemu_chr_fe_event(struct CharDriverState *chr, int event)
+{
+    if (chr->chr_fe_event) {
+        chr->chr_fe_event(chr, event);
+    }
+}
+
 int qemu_chr_fe_add_watch(CharDriverState *s, GIOCondition cond,
                           GIOFunc func, void *user_data)
 {
diff --git a/spice-qemu-char.c b/spice-qemu-char.c
index e074d9e..16439c5 100644
--- a/spice-qemu-char.c
+++ b/spice-qemu-char.c
@@ -222,6 +222,15 @@ static void spice_chr_set_fe_open(struct CharDriverState *chr, int fe_open)
     }
 }
 
+static void spice_chr_fe_event(struct CharDriverState *chr, int event)
+{
+#if SPICE_SERVER_VERSION >= 0x000c02
+    SpiceCharDriver *s = chr->opaque;
+
+    spice_server_port_event(&s->sin, event);
+#endif
+}
+
 static void print_allowed_subtypes(void)
 {
     const char** psubtype;
@@ -255,6 +264,7 @@ static CharDriverState *chr_open(const char *subtype)
     chr->chr_close = spice_chr_close;
     chr->chr_set_fe_open = spice_chr_set_fe_open;
     chr->explicit_be_open = true;
+    chr->chr_fe_event = spice_chr_fe_event;
 
     QLIST_INSERT_HEAD(&spice_chars, s, next);
 
-- 
1.8.3.1