From: Jack Lange <jarusl@cs.northwestern.edu>
Date: Mon, 16 Mar 2009 20:55:22 +0000 (-0500)
Subject: added irq acking
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=commitdiff_plain;h=ec6d459b0aac3e9eea431e854904be7a58f2ffa8

added irq acking
---

diff --git a/palacios/include/palacios/vmm.h b/palacios/include/palacios/vmm.h
index 5982a3a..9e9f812 100644
--- a/palacios/include/palacios/vmm.h
+++ b/palacios/include/palacios/vmm.h
@@ -178,6 +178,16 @@
 	    ret;							\
 	})								\
 	
+
+#define V3_ACK_IRQ(irq)						\
+    do {							\
+	extern struct v3_os_hooks * os_hooks;			\
+	if ((os_hooks) && (os_hooks)->ack_irq) {		\
+	    (os_hooks)->ack_irq(irq);				\
+	}							\
+    } while (0)
+
+
 #define V3_Yield(addr)					\
     do {						\
 	extern struct v3_os_hooks * os_hooks;		\
diff --git a/palacios/src/palacios/vmm_intr.c b/palacios/src/palacios/vmm_intr.c
index ac6b6ce..6ff14cd 100644
--- a/palacios/src/palacios/vmm_intr.c
+++ b/palacios/src/palacios/vmm_intr.c
@@ -100,18 +100,19 @@ int v3_hook_irq(struct guest_info * info,
 
 
 
-static int passthrough_irq_handler(struct guest_info * info, struct v3_interrupt * intr, void * priv_data)
-{
+static int passthrough_irq_handler(struct guest_info * info, struct v3_interrupt * intr, void * priv_data) {
+
+    if (intr->should_ack == 1) {
+	V3_ACK_IRQ(intr->irq);
+    }
 
     PrintDebug("[passthrough_irq_handler] raise_irq=%d (guest=0x%p)\n", 
 	       intr->irq, (void *)info);
-    return v3_raise_irq(info, intr->irq);
 
+    return v3_raise_irq(info, intr->irq);
 }
 
-int v3_hook_passthrough_irq(struct guest_info * info, uint_t irq)
-{
-
+int v3_hook_passthrough_irq(struct guest_info * info, uint_t irq) {
     int rc = v3_hook_irq(info, irq, passthrough_irq_handler, NULL);
 
     if (rc) {