virtio: introduce macro VIRTIO_CONFIG_IRQ_IDX

[mirror_qemu.git] / hw / virtio / vhost-vsock-common.c

diff --git a/hw/virtio/vhost-vsock-common.c b/hw/virtio/vhost-vsock-common.c
index d21c72b4011b6d1dc95d6c48fae8f163936c61f3..d2b5519d5a79b19858e8b6f0ba59b72fbb69d815 100644 (file)
--- a/hw/virtio/vhost-vsock-common.c
+++ b/hw/virtio/vhost-vsock-common.c
@@ -127,6 +127,15 @@ static void vhost_vsock_common_guest_notifier_mask(VirtIODevice *vdev, int idx,
 {
     VHostVSockCommon *vvc = VHOST_VSOCK_COMMON(vdev);
 
+    /*
+     * Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1
+     * as the Marco of configure interrupt's IDX, If this driver does not
+     * support, the function will return
+     */
+
+    if (idx == VIRTIO_CONFIG_IRQ_IDX) {
+        return;
+    }
     vhost_virtqueue_mask(&vvc->vhost_dev, vdev, idx, mask);
 }
 
@@ -135,6 +144,15 @@ static bool vhost_vsock_common_guest_notifier_pending(VirtIODevice *vdev,
 {
     VHostVSockCommon *vvc = VHOST_VSOCK_COMMON(vdev);
 
+    /*
+     * Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1
+     * as the Marco of configure interrupt's IDX, If this driver does not
+     * support, the function will return
+     */
+
+    if (idx == VIRTIO_CONFIG_IRQ_IDX) {
+        return false;
+    }
     return vhost_virtqueue_pending(&vvc->vhost_dev, idx);
 }