Avoid strict-aliasing related issues when compiling with optimization

[palacios.git] / linux_module / linux-exts.h

diff --git a/linux_module/linux-exts.h b/linux_module/linux-exts.h
index c5aeea1..a6b7301 100644 (file)
--- a/linux_module/linux-exts.h
+++ b/linux_module/linux-exts.h
@@ -1,9 +1,7 @@
 #include "palacios.h"
 
 
-int add_mod_cmd(struct v3_guest * guest, unsigned int cmd, 
-               int (*handler)(struct v3_guest * guest, 
-                              unsigned int cmd, unsigned long arg));
+
 
 
 struct linux_ext {
@@ -26,6 +24,22 @@ void * get_vm_ext_data(struct v3_guest * guest, char * ext_name);
 
 
 
+struct global_ctrl {
+    unsigned int cmd;
+
+    int (*handler)(unsigned int cmd, unsigned long arg);
+
+    struct rb_node tree_node;
+};
+
+int add_global_ctrl(unsigned int cmd, 
+                   int (*handler)(unsigned int cmd, unsigned long arg));
+
+struct global_ctrl * get_global_ctrl(unsigned int cmd);
+
+int remove_global_ctrl(unsigned int cmd);
+
+
 #define register_extension(ext)                                        \
     static struct linux_ext * _lnx_ext                         \
     __attribute__((used))                                      \