Merge remote-tracking branch 'public/tags/tracing-pull-request' into staging

[qemu.git] / hw / audio / pcspk.c

diff --git a/hw/audio/pcspk.c b/hw/audio/pcspk.c
index 42a6f4885a728290c0bf6354a54c75b11843d25b..798002277b1c24ce5402c049494051a72b2d5cc1 100644 (file)
--- a/hw/audio/pcspk.c
+++ b/hw/audio/pcspk.c
@@ -52,8 +52,9 @@ typedef struct {
     unsigned int pit_count;
     unsigned int samples;
     unsigned int play_pos;
-    int data_on;
-    int dummy_refresh_clock;
+    uint8_t data_on;
+    uint8_t dummy_refresh_clock;
+    bool migrate;
 } PCSpkState;
 
 static const char *s_spk = "pcspk";
@@ -187,8 +188,29 @@ static void pcspk_realizefn(DeviceState *dev, Error **errp)
     pcspk_state = s;
 }
 
+static bool migrate_needed(void *opaque)
+{
+    PCSpkState *s = opaque;
+
+    return s->migrate;
+}
+
+static const VMStateDescription vmstate_spk = {
+    .name = "pcspk",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .needed = migrate_needed,
+    .fields      = (VMStateField[]) {
+        VMSTATE_UINT8(data_on, PCSpkState),
+        VMSTATE_UINT8(dummy_refresh_clock, PCSpkState),
+        VMSTATE_END_OF_LIST()
+    }
+};
+
 static Property pcspk_properties[] = {
     DEFINE_PROP_UINT32("iobase", PCSpkState, iobase,  -1),
+    DEFINE_PROP_BOOL("migrate", PCSpkState, migrate,  true),
     DEFINE_PROP_END_OF_LIST(),
 };
 
@@ -198,6 +220,7 @@ static void pcspk_class_initfn(ObjectClass *klass, void *data)
 
     dc->realize = pcspk_realizefn;
     set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
+    dc->vmsd = &vmstate_spk;
     dc->props = pcspk_properties;
     /* Reason: realize sets global pcspk_state */
     dc->cannot_instantiate_with_device_add_yet = true;