ALSA: virtio: handling control messages

[sfrench/cifs-2.6.git] / sound / virtio / virtio_card.h

diff --git a/sound/virtio/virtio_card.h b/sound/virtio/virtio_card.h
index b903b1b12e90765d689fa02ce3232c10ab52cb81..1e76eeff160f4415db063ff5551843a5a96aa586 100644 (file)
--- a/sound/virtio/virtio_card.h
+++ b/sound/virtio/virtio_card.h
@@ -11,6 +11,8 @@
 #include <sound/core.h>
 #include <uapi/linux/virtio_snd.h>
 
+#include "virtio_ctl_msg.h"
+
 #define VIRTIO_SND_CARD_DRIVER "virtio-snd"
 #define VIRTIO_SND_CARD_NAME   "VirtIO SoundCard"
 
@@ -29,15 +31,20 @@ struct virtio_snd_queue {
  * @vdev: Underlying virtio device.
  * @queues: Virtqueue wrappers.
  * @card: ALSA sound card.
+ * @ctl_msgs: Pending control request list.
  * @event_msgs: Device events.
  */
 struct virtio_snd {
        struct virtio_device *vdev;
        struct virtio_snd_queue queues[VIRTIO_SND_VQ_MAX];
        struct snd_card *card;
+       struct list_head ctl_msgs;
        struct virtio_snd_event *event_msgs;
 };
 
+/* Message completion timeout in milliseconds (module parameter). */
+extern u32 virtsnd_msg_timeout_ms;
+
 static inline struct virtio_snd_queue *
 virtsnd_control_queue(struct virtio_snd *snd)
 {