vmstate: port adb_kbd

Signed-off-by: NJuan Quintela <quintela@redhat.com>

hw/adb.c

@@ -261,30 +261,19 @@ static int adb_kbd_request(ADBDevice *d, uint8_t *obuf,
     return olen;
 }
 
-static void adb_kbd_save(QEMUFile *f, void *opaque)
-{
-    KBDState *s = (KBDState *)opaque;
-
-    qemu_put_buffer(f, s->data, sizeof(s->data));
-    qemu_put_sbe32s(f, &s->rptr);
-    qemu_put_sbe32s(f, &s->wptr);
-    qemu_put_sbe32s(f, &s->count);
-}
-
-static int adb_kbd_load(QEMUFile *f, void *opaque, int version_id)
-{
-    KBDState *s = (KBDState *)opaque;
-
-    if (version_id != 1)
-        return -EINVAL;
-
-    qemu_get_buffer(f, s->data, sizeof(s->data));
-    qemu_get_sbe32s(f, &s->rptr);
-    qemu_get_sbe32s(f, &s->wptr);
-    qemu_get_sbe32s(f, &s->count);
-
-    return 0;
-}
+static const VMStateDescription vmstate_adb_kbd = {
+    .name = "adb_kbd",
+    .version_id = 1,
+    .minimum_version_id = 1,
+    .minimum_version_id_old = 1,
+    .fields      = (VMStateField[]) {
+        VMSTATE_BUFFER(data, KBDState),
+        VMSTATE_INT32(rptr, KBDState),
+        VMSTATE_INT32(wptr, KBDState),
+        VMSTATE_INT32(count, KBDState),
+        VMSTATE_END_OF_LIST()
+    }
+};
 
 static int adb_kbd_reset(ADBDevice *d)
 {
@@ -305,8 +294,7 @@ void adb_kbd_init(ADBBusState *bus)
     d = adb_register_device(bus, ADB_KEYBOARD, adb_kbd_request,
                             adb_kbd_reset, s);
     qemu_add_kbd_event_handler(adb_kbd_put_keycode, d);
-    register_savevm(NULL, "adb_kbd", -1, 1, adb_kbd_save,
-                    adb_kbd_load, s);
+    vmstate_register(NULL, -1, &vmstate_adb_kbd, s);
 }
 
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