Merge branch 'devel' of newskysaw.cs.northwestern.edu:/home/palacios/palacios into...

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

diff --git a/linux_module/linux-exts.c b/linux_module/linux-exts.c
index d6409b8..d07cef0 100644 (file)
--- a/linux_module/linux-exts.c
+++ b/linux_module/linux-exts.c
@@ -17,6 +17,18 @@ struct vm_ext {
 };
 
 
+void * get_vm_ext_data(struct v3_guest * guest, char * ext_name) {
+    struct vm_ext * ext = NULL;
+
+    list_for_each_entry(ext, &(guest->exts), node) {
+       if (strncmp(ext->impl->name, ext_name, strlen(ext->impl->name)) == 0) {
+           return ext->vm_data;
+       }
+    }
+
+    return NULL;
+}
+
 
 int init_vm_extensions(struct v3_guest * guest) {
     extern struct linux_ext * __start__lnx_exts[];
@@ -29,6 +41,7 @@ int init_vm_extensions(struct v3_guest * guest) {
 
        if (ext_impl->guest_init == NULL) {
            // We can have global extensions without per guest state
+           ext_impl = __start__lnx_exts[++i];
            continue;
        }
        
@@ -54,6 +67,7 @@ int init_vm_extensions(struct v3_guest * guest) {
 }
 
 
+
 int deinit_vm_extensions(struct v3_guest * guest) {
     struct vm_ext * ext = NULL;
     struct vm_ext * tmp = NULL;