added ackable interrupts

[palacios.git] / palacios / src / palacios / vmm_intr.c

diff --git a/palacios/src/palacios/vmm_intr.c b/palacios/src/palacios/vmm_intr.c
index c9c1800..48e46ea 100644 (file)
--- a/palacios/src/palacios/vmm_intr.c
+++ b/palacios/src/palacios/vmm_intr.c
@@ -26,7 +26,7 @@
 
 #include <palacios/vmm_lock.h>
 
-#ifndef CONFIG_DEBUG_INTERRUPTS
+#ifndef V3_CONFIG_DEBUG_INTERRUPTS
 #undef PrintDebug
 #define PrintDebug(fmt, args...)
 #endif
@@ -239,6 +239,18 @@ int v3_deliver_irq(struct v3_vm_info * vm, struct v3_interrupt * intr) {
 
 
 
+int v3_raise_swintr (struct guest_info * core, uint8_t vector) {
+    struct v3_intr_core_state * intr_state = &(core->intr_core_state);
+
+    PrintDebug("Signaling software interrupt in v3_signal_swintr()\n");
+    PrintDebug("\tINT vector: %d\n", vector);
+    
+    intr_state->swintr_posted = 1;
+    intr_state->swintr_vector = vector;
+    return 0;
+}
+
+
 
 int v3_raise_virq(struct guest_info * info, int irq) {
     struct v3_intr_core_state * intr_state = &(info->intr_core_state);
@@ -262,38 +274,62 @@ int v3_lower_virq(struct guest_info * info, int irq) {
 
 
 int v3_lower_irq(struct v3_vm_info * vm, int irq) {
+    struct v3_irq irq_state;
+
+    irq_state.irq = irq;
+    irq_state.ack = NULL;
+    irq_state.private_data = NULL;
+
+    return v3_lower_acked_irq(vm, irq_state);
+}
+
+int v3_raise_irq(struct v3_vm_info * vm, int irq) {
+    struct v3_irq irq_state;
+
+    irq_state.irq = irq;
+    irq_state.ack = NULL;
+    irq_state.private_data = NULL;
+
+    return v3_raise_acked_irq(vm, irq_state);
+}
+
+
+int v3_raise_acked_irq(struct v3_vm_info * vm, struct v3_irq irq) {
     struct intr_router * router = NULL;
     struct v3_intr_routers * routers = &(vm->intr_routers);
 
-    //    PrintDebug("[v3_lower_irq]\n");
+    //  PrintDebug("[v3_raise_irq (%d)]\n", irq);
     addr_t irq_state = v3_lock_irqsave(routers->irq_lock);
 
     list_for_each_entry(router, &(routers->router_list), router_node) {
-       router->router_ops->lower_intr(vm, router->priv_data, irq);
+       router->router_ops->raise_intr(vm, router->priv_data, &irq);
     }
- 
+
     v3_unlock_irqrestore(routers->irq_lock, irq_state);
 
     return 0;
 }
 
-int v3_raise_irq(struct v3_vm_info * vm, int irq) {
+
+int v3_lower_acked_irq(struct v3_vm_info * vm, struct v3_irq irq) {
     struct intr_router * router = NULL;
     struct v3_intr_routers * routers = &(vm->intr_routers);
 
-    //  PrintDebug("[v3_raise_irq (%d)]\n", irq);
+    //    PrintDebug("[v3_lower_irq]\n");
     addr_t irq_state = v3_lock_irqsave(routers->irq_lock);
 
     list_for_each_entry(router, &(routers->router_list), router_node) {
-       router->router_ops->raise_intr(vm, router->priv_data, irq);
+       router->router_ops->lower_intr(vm, router->priv_data, &irq);
     }
-
+ 
     v3_unlock_irqrestore(routers->irq_lock, irq_state);
 
     return 0;
+
 }
 
 
+
 void v3_clear_pending_intr(struct guest_info * core) {
     struct v3_intr_core_state * intr_state = &(core->intr_core_state);
 
@@ -327,6 +363,11 @@ v3_intr_type_t v3_intr_pending(struct guest_info * info) {
            }
        }
     }
+    
+    /* for swintr injection */
+    if (intr_state->swintr_posted == 1) {
+        ret = V3_SOFTWARE_INTR;
+    }
 
     v3_unlock_irqrestore(intr_state->irq_lock, irq_state);
 
@@ -389,7 +430,7 @@ intr_type_t v3_get_intr_type(struct guest_info * info) {
        }
     }
 
-#ifdef CONFIG_DEBUG_INTERRUPTS
+#ifdef V3_CONFIG_DEBUG_INTERRUPTS
     if (type == V3_INVALID_INTR) {
        PrintError("[get_intr_type] Invalid_Intr\n");
     }