This official VMware open-source project can be used as reference to
understand how guest code interacts with VMPort virtual device. Thus,
providing understanding on how device is expected to behave.

Signed-off-by: Liran Alon <liran.alon@oracle.com>
---
 hw/i386/vmport.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/hw/i386/vmport.c b/hw/i386/vmport.c
index 1f31e27c8aa4..b4c5a57bb0e9 100644
--- a/hw/i386/vmport.c
+++ b/hw/i386/vmport.c
@@ -21,6 +21,13 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+
+/*
+ * Guest code that interacts with this virtual device can be found
+ * in VMware open-vm-tools open-source project:
+ * https://github.com/vmware/open-vm-tools
+ */
+
 #include "qemu/osdep.h"
 #include "hw/isa/isa.h"
 #include "hw/i386/pc.h"
-- 
2.20.1