Fix the bug for losing interrupts to guest

[palacios.git] / palacios / src / devices / pci.c

diff --git a/palacios/src/devices/pci.c b/palacios/src/devices/pci.c
index 5a12909..1f4976b 100644 (file)
--- a/palacios/src/devices/pci.c
+++ b/palacios/src/devices/pci.c
@@ -597,11 +597,6 @@ static int data_port_write(struct guest_info * core, ushort_t port, void * src,
 
 
 
-static int pci_free(struct vm_device * dev) {
-    
-    return 0;
-}
-
 
 
 static void init_pci_busses(struct pci_internal * pci_state) {
@@ -615,10 +610,33 @@ static void init_pci_busses(struct pci_internal * pci_state) {
 }
 
 
+static int pci_free(struct pci_internal * pci_state) {
+    int i;
+
+
+    // cleanup devices
+    for (i = 0; i < PCI_BUS_COUNT; i++) {
+       struct pci_bus * bus = &(pci_state->bus_list[i]);
+       struct rb_node * node = v3_rb_first(&(bus->devices));
+       struct pci_device * dev = NULL;
+
+       while (node) {
+           dev = rb_entry(node, struct pci_device, dev_tree_node);
+           node = v3_rb_next(node);
+           
+           v3_rb_erase(&(dev->dev_tree_node), &(bus->devices));
+           V3_Free(dev);
+       }
+
+    }
+    
+    V3_Free(pci_state);
+    return 0;
+}
 
 
 static struct v3_device_ops dev_ops = {
-    .free = pci_free,
+    .free = (int (*)(void *))pci_free,
 
 };