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-rw-r--r--subprojects/libvhost-user/libvhost-user.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/subprojects/libvhost-user/libvhost-user.c b/subprojects/libvhost-user/libvhost-user.c
index 0200b78e8e..0abd898a52 100644
--- a/subprojects/libvhost-user/libvhost-user.c
+++ b/subprojects/libvhost-user/libvhost-user.c
@@ -2455,6 +2455,16 @@ void vu_queue_notify_sync(VuDev *dev, VuVirtq *vq)
_vu_queue_notify(dev, vq, true);
}
+void vu_config_change_msg(VuDev *dev)
+{
+ VhostUserMsg vmsg = {
+ .request = VHOST_USER_BACKEND_CONFIG_CHANGE_MSG,
+ .flags = VHOST_USER_VERSION,
+ };
+
+ vu_message_write(dev, dev->slave_fd, &vmsg);
+}
+
static inline void
vring_used_flags_set_bit(VuVirtq *vq, int mask)
{