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-rw-r--r--hw/block/dataplane/virtio-blk.c2
-rw-r--r--hw/virtio/dataplane/vring.c8
-rw-r--r--include/hw/virtio/dataplane/vring.h2
3 files changed, 7 insertions, 5 deletions
diff --git a/hw/block/dataplane/virtio-blk.c b/hw/block/dataplane/virtio-blk.c
index 03566650c6..2faed43127 100644
--- a/hw/block/dataplane/virtio-blk.c
+++ b/hw/block/dataplane/virtio-blk.c
@@ -537,7 +537,7 @@ void virtio_blk_data_plane_stop(VirtIOBlockDataPlane *s)
/* Clean up guest notifier (irq) */
k->set_guest_notifiers(qbus->parent, 1, false);
- vring_teardown(&s->vring);
+ vring_teardown(&s->vring, s->vdev, 0);
s->started = false;
s->stopping = false;
}
diff --git a/hw/virtio/dataplane/vring.c b/hw/virtio/dataplane/vring.c
index e0d6e83625..82cc151b17 100644
--- a/hw/virtio/dataplane/vring.c
+++ b/hw/virtio/dataplane/vring.c
@@ -39,8 +39,8 @@ bool vring_setup(Vring *vring, VirtIODevice *vdev, int n)
vring_init(&vring->vr, virtio_queue_get_num(vdev, n), vring_ptr, 4096);
- vring->last_avail_idx = 0;
- vring->last_used_idx = 0;
+ vring->last_avail_idx = virtio_queue_get_last_avail_idx(vdev, n);
+ vring->last_used_idx = vring->vr.used->idx;
vring->signalled_used = 0;
vring->signalled_used_valid = false;
@@ -49,8 +49,10 @@ bool vring_setup(Vring *vring, VirtIODevice *vdev, int n)
return true;
}
-void vring_teardown(Vring *vring)
+void vring_teardown(Vring *vring, VirtIODevice *vdev, int n)
{
+ virtio_queue_set_last_avail_idx(vdev, n, vring->last_avail_idx);
+
hostmem_finalize(&vring->hostmem);
}
diff --git a/include/hw/virtio/dataplane/vring.h b/include/hw/virtio/dataplane/vring.h
index 9380cb5413..c0b69ff18f 100644
--- a/include/hw/virtio/dataplane/vring.h
+++ b/include/hw/virtio/dataplane/vring.h
@@ -50,7 +50,7 @@ static inline void vring_set_broken(Vring *vring)
}
bool vring_setup(Vring *vring, VirtIODevice *vdev, int n);
-void vring_teardown(Vring *vring);
+void vring_teardown(Vring *vring, VirtIODevice *vdev, int n);
void vring_disable_notification(VirtIODevice *vdev, Vring *vring);
bool vring_enable_notification(VirtIODevice *vdev, Vring *vring);
bool vring_should_notify(VirtIODevice *vdev, Vring *vring);