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-rw-r--r--hw/virtio.c6
-rw-r--r--hw/virtio.h1
2 files changed, 7 insertions, 0 deletions
diff --git a/hw/virtio.c b/hw/virtio.c
index 064aecf553..22ea8181c0 100644
--- a/hw/virtio.c
+++ b/hw/virtio.c
@@ -619,6 +619,12 @@ target_phys_addr_t virtio_queue_get_addr(VirtIODevice *vdev, int n)
return vdev->vq[n].pa;
}
+void virtio_queue_set_num(VirtIODevice *vdev, int n, int num)
+{
+ vdev->vq[n].vring.num = num;
+ virtqueue_init(&vdev->vq[n]);
+}
+
int virtio_queue_get_num(VirtIODevice *vdev, int n)
{
return vdev->vq[n].vring.num;
diff --git a/hw/virtio.h b/hw/virtio.h
index 400c092c95..1f5aa57075 100644
--- a/hw/virtio.h
+++ b/hw/virtio.h
@@ -178,6 +178,7 @@ void virtio_config_writew(VirtIODevice *vdev, uint32_t addr, uint32_t data);
void virtio_config_writel(VirtIODevice *vdev, uint32_t addr, uint32_t data);
void virtio_queue_set_addr(VirtIODevice *vdev, int n, target_phys_addr_t addr);
target_phys_addr_t virtio_queue_get_addr(VirtIODevice *vdev, int n);
+void virtio_queue_set_num(VirtIODevice *vdev, int n, int num);
int virtio_queue_get_num(VirtIODevice *vdev, int n);
void virtio_queue_notify(VirtIODevice *vdev, int n);
uint16_t virtio_queue_vector(VirtIODevice *vdev, int n);