X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fdevices%2Fserial.h;h=78ff076daec4939f7bcc2c7df0e78fa7dc846815;hb=0e26b3738daf436ba2d9a088ba620a3583d40de3;hp=f71159c270c2c04e3b179754f1b6593321ba56ae;hpb=8330d6bb32172ba7c50b4e242e0213c8a9e1424e;p=palacios.git

diff --git a/palacios/include/devices/serial.h b/palacios/include/devices/serial.h
index f71159c..78ff076 100644
--- a/palacios/include/devices/serial.h
+++ b/palacios/include/devices/serial.h
@@ -26,8 +26,13 @@
    to different kinds of frontend devices that can act as a stream */
 
 struct v3_stream_ops  {
+    /* called by serial device to the backend stream device */
     int (*read)(char *buf, uint_t len, void *private_data);
     int (*write)(char *buf, uint_t len, void *private_data);
+
+    /* called by backend device to frontend serial device */
+    int (*input)(char *buf, uint_t len, void *front_data);
+    void *front_data;
 };