X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fserial.c;h=961b7ea0be1b1f296cce262286313ac5d4f50793;hb=ae4e727a7abfdb7df9cb93769a0799494ec75254;hp=3f0085eded6b5ad7ca556fba4b53b64aa04c3c73;hpb=e5e029575affad90c19ca038a3b780820535d421;p=palacios.git

diff --git a/palacios/src/devices/serial.c b/palacios/src/devices/serial.c
index 3f0085e..961b7ea 100644
--- a/palacios/src/devices/serial.c
+++ b/palacios/src/devices/serial.c
@@ -28,6 +28,14 @@
 #include <palacios/vmm_host_events.h>
 #include <palacios/vm_guest.h>
 
+#include <devices/serial.h>
+
+
+#ifndef CONFIG_DEBUG_SERIAL
+#undef PrintDebug
+#define PrintDebug(fmt, args...)
+#endif
+
 
 #define COM1_DATA_PORT           0x3f8
 #define COM1_IRQ_ENABLE_PORT     0x3f9
@@ -277,6 +285,10 @@ struct serial_port {
     struct serial_buffer tx_buffer;
     struct serial_buffer rx_buffer;
     uint_t irq_number;
+
+    struct v3_stream_ops *stream_ops;
+    void                 *backend_data;
+
 };
 
 
@@ -285,6 +297,8 @@ struct serial_state {
     struct serial_port com2;
     struct serial_port com3;
     struct serial_port com4;
+
+    
 };
 
 
@@ -486,6 +500,11 @@ static int write_data_port(struct guest_info * core, uint16_t port,
 	com_port->dll.data = *val;
     }  else {
 	queue_data(&(com_port->tx_buffer), *val, com_port, dev);
+	if (com_port->stream_ops) { 
+	    uint8_t c;
+	    dequeue_data(&(com_port->tx_buffer), &c, com_port, dev);
+	    com_port->stream_ops->stream_write(&c,1,com_port->backend_data);
+	}
     }
     
     
@@ -974,5 +993,14 @@ static int serial_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
     return 0;
 }
 
+int v3_stream_register_serial(struct vm_device * serial_dev, struct v3_stream_ops * ops, void * private_data)
+{
+    struct serial_state *state = (struct serial_state *)(serial_dev->private_data);
+
+    state->com1.stream_ops = ops;
+    state->com1.backend_data = private_data;
+    /* bind to other ports here */
+}
+
 
 device_register("SERIAL", serial_init)