From: Jack Lange <jarusl@cs.northwestern.edu>
Date: Wed, 12 Jan 2011 06:17:33 +0000 (-0600)
Subject: delete leftover resource hooks and  various resource maps
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=commitdiff_plain;h=b3662a67b9b28e2b0724ebb2ea10edccba5d2a5b;p=palacios.git

delete leftover resource hooks and  various resource maps
---

diff --git a/palacios/include/palacios/vmm_cpuid.h b/palacios/include/palacios/vmm_cpuid.h
index 82a4fd6..30467fd 100644
--- a/palacios/include/palacios/vmm_cpuid.h
+++ b/palacios/include/palacios/vmm_cpuid.h
@@ -32,7 +32,7 @@
 struct guest_info;
 
 void v3_init_cpuid_map(struct v3_vm_info * vm);
-
+int v3_deinit_cpuid_map(struct v3_vm_info * vm);
 
 struct v3_cpuid_hook {
     uint32_t cpuid;
diff --git a/palacios/include/palacios/vmm_hypercall.h b/palacios/include/palacios/vmm_hypercall.h
index 9c2407b..4304790 100644
--- a/palacios/include/palacios/vmm_hypercall.h
+++ b/palacios/include/palacios/vmm_hypercall.h
@@ -58,7 +58,7 @@ typedef enum {
 
 
 void v3_init_hypercall_map(struct v3_vm_info * vm);
-
+int v3_deinit_hypercall_map(struct v3_vm_info * vm);
 
 int v3_register_hypercall(struct v3_vm_info * vm, hcall_id_t hypercall_id, 
 			  int (*hypercall)(struct guest_info * info , hcall_id_t hcall_id, void * priv_data),
diff --git a/palacios/include/palacios/vmm_io.h b/palacios/include/palacios/vmm_io.h
index 726f75a..956d725 100644
--- a/palacios/include/palacios/vmm_io.h
+++ b/palacios/include/palacios/vmm_io.h
@@ -34,7 +34,7 @@ struct v3_vm_info;
 struct guest_info;
 
 void v3_init_io_map(struct v3_vm_info * vm);
-
+int v3_deinit_io_map(struct v3_vm_info * vm);
 
 
 
diff --git a/palacios/include/palacios/vmm_msr.h b/palacios/include/palacios/vmm_msr.h
index f494772..645baa8 100644
--- a/palacios/include/palacios/vmm_msr.h
+++ b/palacios/include/palacios/vmm_msr.h
@@ -70,6 +70,7 @@ struct v3_msr_map {
 
 
 void v3_init_msr_map(struct v3_vm_info * vm);
+int v3_deinit_msr_map(struct v3_vm_info * vm);
 
 int v3_unhook_msr(struct v3_vm_info * vm, uint_t msr);
 
diff --git a/palacios/src/palacios/vm_guest.c b/palacios/src/palacios/vm_guest.c
index 3fbc69d..0e8e5f2 100644
--- a/palacios/src/palacios/vm_guest.c
+++ b/palacios/src/palacios/vm_guest.c
@@ -569,6 +569,15 @@ int v3_free_vm_internal(struct v3_vm_info * vm) {
     v3_deinit_intr_routers(vm);
     v3_deinit_host_events(vm);
 
+    v3_deinit_cpuid_map(vm);
+    v3_deinit_msr_map(vm);
+    v3_deinit_io_map(vm);
+    v3_deinit_hypercall_map(vm);
+
+#ifdef CONFIG_TELEMETRY
+    v3_deinit_telemetry(vm);
+#endif
+
     return 0;
 }
 
diff --git a/palacios/src/palacios/vmm.c b/palacios/src/palacios/vmm.c
index 13ae2ef..3bd27a8 100644
--- a/palacios/src/palacios/vmm.c
+++ b/palacios/src/palacios/vmm.c
@@ -310,6 +310,7 @@ int v3_free_vm(struct v3_vm_info * vm) {
     // free vm
     v3_free_vm_internal(vm);
 
+    V3_Free(vm);
 
     return 0;
 }
diff --git a/palacios/src/palacios/vmm_cpuid.c b/palacios/src/palacios/vmm_cpuid.c
index 232531c..a093bf7 100644
--- a/palacios/src/palacios/vmm_cpuid.c
+++ b/palacios/src/palacios/vmm_cpuid.c
@@ -27,6 +27,25 @@ void v3_init_cpuid_map(struct v3_vm_info * vm) {
     vm->cpuid_map.map.rb_node = NULL;
 }
 
+int v3_deinit_cpuid_map(struct v3_vm_info * vm) {
+    struct rb_node * node = v3_rb_first(&(vm->cpuid_map.map));
+    struct v3_cpuid_hook * hook = NULL;
+    struct rb_node * tmp_node = NULL;
+    
+
+    while (node) {
+	hook = rb_entry(node, struct v3_cpuid_hook, tree_node);
+	tmp_node = node;
+	node = v3_rb_next(node);
+
+	v3_rb_erase(&(hook->tree_node), &(vm->cpuid_map.map));
+	V3_Free(hook);
+	
+    }
+
+    return 0;
+}
+
 
 static inline struct v3_cpuid_hook * __insert_cpuid_hook(struct v3_vm_info * vm, struct v3_cpuid_hook * hook) {
   struct rb_node ** p = &(vm->cpuid_map.map.rb_node);
diff --git a/palacios/src/palacios/vmm_hypercall.c b/palacios/src/palacios/vmm_hypercall.c
index c664a83..b614896 100644
--- a/palacios/src/palacios/vmm_hypercall.c
+++ b/palacios/src/palacios/vmm_hypercall.c
@@ -32,14 +32,6 @@ static int hcall_test(struct guest_info * info, hcall_id_t hcall_id, void * priv
 }
 
 
-
-void v3_init_hypercall_map(struct v3_vm_info * vm) {
-    vm->hcall_map.rb_node = NULL;
-
-    v3_register_hypercall(vm, TEST_HCALL, hcall_test, NULL);
-}
-
-
 struct hypercall {
     uint_t id;
   
@@ -49,6 +41,36 @@ struct hypercall {
     struct rb_node tree_node;
 };
 
+static int free_hypercall(struct v3_vm_info * vm, struct hypercall * hcall);
+
+void v3_init_hypercall_map(struct v3_vm_info * vm) {
+    vm->hcall_map.rb_node = NULL;
+
+    v3_register_hypercall(vm, TEST_HCALL, hcall_test, NULL);
+}
+
+int v3_deinit_hypercall_map(struct v3_vm_info * vm) {
+    struct rb_node * node = NULL;
+    struct hypercall * hcall = NULL;
+    struct rb_node * tmp_node = NULL;
+
+    v3_remove_hypercall(vm, TEST_HCALL);
+
+    node = v3_rb_first(&(vm->hcall_map));
+
+    while (node) {
+	hcall = rb_entry(node, struct hypercall, tree_node);
+	tmp_node = node;
+	node = v3_rb_next(node);
+
+	free_hypercall(vm, hcall);
+    }
+    
+    return 0;
+}
+
+
+
 
 
 static inline struct hypercall * __insert_hypercall(struct v3_vm_info * vm, struct hypercall * hcall) {
@@ -127,6 +149,14 @@ int v3_register_hypercall(struct v3_vm_info * vm, hcall_id_t hypercall_id,
 }
 
 
+
+static int free_hypercall(struct v3_vm_info * vm, struct hypercall * hcall) {
+    v3_rb_erase(&(hcall->tree_node), &(vm->hcall_map));
+    V3_Free(hcall);
+
+    return 0;
+}
+
 int v3_remove_hypercall(struct v3_vm_info * vm, hcall_id_t hypercall_id) {
     struct hypercall * hcall = get_hypercall(vm, hypercall_id);
 
@@ -135,9 +165,7 @@ int v3_remove_hypercall(struct v3_vm_info * vm, hcall_id_t hypercall_id) {
 	return -1;
     }
 
-    v3_rb_erase(&(hcall->tree_node), &(vm->hcall_map));
-
-    V3_Free(hcall);
+    free_hypercall(vm, hcall);
 
     return 0;
 }
diff --git a/palacios/src/palacios/vmm_io.c b/palacios/src/palacios/vmm_io.c
index 5f762e4..0e099e5 100644
--- a/palacios/src/palacios/vmm_io.c
+++ b/palacios/src/palacios/vmm_io.c
@@ -29,6 +29,7 @@
 #define PrintDebug(fmt, args...)
 #endif
 
+static int free_hook(struct v3_vm_info * vm, struct v3_io_hook * hook);
 
 static int default_write(struct guest_info * core, uint16_t port, void *src, uint_t length, void * priv_data);
 static int default_read(struct guest_info * core, uint16_t port, void * dst, uint_t length, void * priv_data);
@@ -42,6 +43,22 @@ void v3_init_io_map(struct v3_vm_info * vm) {
 
 }
 
+int v3_deinit_io_map(struct v3_vm_info * vm) {
+    struct rb_node * node = v3_rb_first(&(vm->io_map.map));
+    struct v3_io_hook * hook = NULL;
+    struct rb_node * tmp_node = NULL;
+
+    while (node) {
+	hook = rb_entry(node, struct v3_io_hook, tree_node);
+	tmp_node = node;
+	node = v3_rb_next(node);
+
+	free_hook(vm, hook);
+    }
+
+    return 0;
+}
+
 
 
 
@@ -62,6 +79,7 @@ static inline struct v3_io_hook * __insert_io_hook(struct v3_vm_info * vm, struc
       return tmp_hook;
     }
   }
+
   rb_link_node(&(hook->tree_node), parent, p);
 
   return NULL;
@@ -145,19 +163,13 @@ int v3_hook_io_port(struct v3_vm_info * vm, uint16_t port,
   return 0;
 }
 
-int v3_unhook_io_port(struct v3_vm_info * vm, uint16_t port) {
-    struct v3_io_hook * hook = v3_get_io_hook(vm, port);
-
-    if (hook == NULL) {
-	PrintError("Could not find port to unhook %u (0x%x)\n", port, port);
-	return -1;
-    }
 
+static int free_hook(struct v3_vm_info * vm, struct v3_io_hook * hook) {
     v3_rb_erase(&(hook->tree_node), &(vm->io_map.map));
 
     if (vm->io_map.update_map) {
 	// set the arch map to default (this should be 1, 1)
-	vm->io_map.update_map(vm, port, 0, 0);
+	vm->io_map.update_map(vm, hook->port, 0, 0);
     }
 
     V3_Free(hook);
@@ -165,6 +177,19 @@ int v3_unhook_io_port(struct v3_vm_info * vm, uint16_t port) {
     return 0;
 }
 
+int v3_unhook_io_port(struct v3_vm_info * vm, uint16_t port) {
+    struct v3_io_hook * hook = v3_get_io_hook(vm, port);
+
+    if (hook == NULL) {
+	PrintError("Could not find port to unhook %u (0x%x)\n", port, port);
+	return -1;
+    }
+
+    free_hook(vm, hook);
+
+    return 0;
+}
+
 
 
 
diff --git a/palacios/src/palacios/vmm_msr.c b/palacios/src/palacios/vmm_msr.c
index 3b13f6b..e70b5bb 100644
--- a/palacios/src/palacios/vmm_msr.c
+++ b/palacios/src/palacios/vmm_msr.c
@@ -22,6 +22,7 @@
 #include <palacios/vmm.h>
 #include <palacios/vm_guest.h>
 
+static int free_hook(struct v3_vm_info * vm, struct v3_msr_hook * hook);
 
 void v3_init_msr_map(struct v3_vm_info * vm) {
     struct v3_msr_map * msr_map  = &(vm->msr_map);
@@ -35,6 +36,17 @@ void v3_init_msr_map(struct v3_vm_info * vm) {
     msr_map->update_map = NULL;
 }
 
+int v3_deinit_msr_map(struct v3_vm_info * vm) {
+    struct v3_msr_hook * hook = NULL;
+    struct v3_msr_hook * tmp = NULL;
+
+    list_for_each_entry_safe(hook, tmp, &(vm->msr_map.hook_list), link) {
+	free_hook(vm, hook);
+    }
+
+    return 0;
+}
+
 int v3_handle_msr_write(struct guest_info * info) {
     uint_t msr_num = info->vm_regs.rcx;
     struct v3_msr msr_val;
@@ -123,6 +135,18 @@ int v3_hook_msr(struct v3_vm_info * vm, uint_t msr,
     return 0;
 }
 
+static int free_hook(struct v3_vm_info * vm, struct v3_msr_hook * hook) {
+    list_del(&(hook->link));
+
+    if (vm->msr_map.update_map) {
+	vm->msr_map.update_map(vm, hook->msr, 0, 0);
+    }
+
+    V3_Free(hook);
+
+    return 0;
+}
+
 
 int v3_unhook_msr(struct v3_vm_info * vm, uint_t msr) {
     struct v3_msr_hook * hook = v3_get_msr_hook(vm, msr);
@@ -132,13 +156,7 @@ int v3_unhook_msr(struct v3_vm_info * vm, uint_t msr) {
 	return -1;
     }
 
-    list_del(&(hook->link));
-
-    if (vm->msr_map.update_map) {
-	vm->msr_map.update_map(vm, msr, 0, 0);
-    }
-
-    V3_Free(hook);
+    free_hook(vm, hook);
 
     return 0;
 }