From: Jack Lange <jarusl@cs.northwestern.edu>
Date: Thu, 6 Jan 2011 22:12:32 +0000 (-0600)
Subject: add interrupt deinitialization to devices
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=commitdiff_plain;h=96a71766125d211be08d7670c93938cf0ea09c04

add interrupt deinitialization to devices
---

diff --git a/palacios/src/devices/8259a.c b/palacios/src/devices/8259a.c
index 69707b9..66b3768 100644
--- a/palacios/src/devices/8259a.c
+++ b/palacios/src/devices/8259a.c
@@ -23,6 +23,7 @@
 #include <palacios/vmm_types.h>
 #include <palacios/vmm.h>
 #include <palacios/vmm_dev_mgr.h>
+#include <palacios/vm_guest.h>
 
 #ifndef CONFIG_DEBUG_PIC
 #undef PrintDebug
@@ -155,6 +156,12 @@ struct pic_internal {
 
     pic_state_t master_state;
     pic_state_t slave_state;
+
+    struct guest_info * core;
+
+
+    void * router_handle;
+    void * controller_handle;
 };
 
 
@@ -718,25 +725,17 @@ static int write_elcr_port(struct guest_info * core, ushort_t port, void * src,
 
 
 
-
-
-
 static int pic_free(struct pic_internal * state) {
+    struct guest_info * core = state->core;
 
-
-    // unregister intr_controller
-    // unregister intr router
+    v3_remove_intr_controller(core, state->controller_handle);
+    v3_remove_intr_router(core->vm_info, state->router_handle);
 
     V3_Free(state);
     return 0;
 }
 
 
-
-
-
-
-
 static struct v3_device_ops dev_ops = {
     .free = (int (*)(void *))pic_free,
 
@@ -744,7 +743,7 @@ static struct v3_device_ops dev_ops = {
 
 
 
-#include <palacios/vm_guest.h>
+
 
 static int pic_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
     struct pic_internal * state = NULL;
@@ -767,9 +766,10 @@ static int pic_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
 	return -1;
     }
 
+    state->core = core;
 
-    v3_register_intr_controller(core, &intr_ops, state);
-    v3_register_intr_router(vm, &router_ops, state);
+    state->controller_handle = v3_register_intr_controller(core, &intr_ops, state);
+    state->router_handle = v3_register_intr_router(vm, &router_ops, state);
 
     state->master_irr = 0;
     state->master_isr = 0;
diff --git a/palacios/src/devices/apic.c b/palacios/src/devices/apic.c
index 3d7f792..e7d0177 100644
--- a/palacios/src/devices/apic.c
+++ b/palacios/src/devices/apic.c
@@ -207,6 +207,8 @@ struct apic_state {
 
     struct guest_info * core;
 
+    void * controller_handle;
+
     struct v3_timer * timer;
 
     uint32_t eoi;
@@ -1472,7 +1474,7 @@ static int apic_free(struct apic_dev_state * apic_dev) {
 	
 	vm = core->vm_info;
 
-	// unregister intr controller
+	v3_remove_intr_controller(core, apic->controller_handle);
 
 	if (apic->timer) {
 	    v3_remove_timer(core, apic->timer);
@@ -1526,7 +1528,7 @@ static int apic_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
 
 	init_apic_state(apic, i);
 
-    	v3_register_intr_controller(core, &intr_ops, apic_dev);
+    	apic->controller_handle = v3_register_intr_controller(core, &intr_ops, apic_dev);
 
     	apic->timer = v3_add_timer(core, &timer_ops, apic_dev);
 
diff --git a/palacios/src/devices/io_apic.c b/palacios/src/devices/io_apic.c
index b0e9584..a1d3d9f 100644
--- a/palacios/src/devices/io_apic.c
+++ b/palacios/src/devices/io_apic.c
@@ -136,6 +136,10 @@ struct io_apic_state {
     struct redir_tbl_entry redir_tbl[24];
 
     void * apic_dev_data;
+
+    void * router_handle;
+
+    struct v3_vm_info * vm;
   
 };
 
@@ -309,7 +313,7 @@ static struct intr_router_ops router_ops = {
 
 static int io_apic_free(struct io_apic_state * ioapic) {
 
-    // unregister intr router
+    v3_remove_intr_router(ioapic->vm, ioapic->router_handle);
 
     // unhook memory
 
@@ -345,7 +349,8 @@ static int ioapic_init(struct v3_vm_info * vm, v3_cfg_tree_t * cfg) {
 	return -1;
     }
 
-    v3_register_intr_router(vm, &router_ops, ioapic);
+    ioapic->router_handle = v3_register_intr_router(vm, &router_ops, ioapic);
+    ioapic->vm = vm;
 
     init_ioapic_state(ioapic, vm->num_cores);