1 files changed, 30 insertions, 0 deletions

diff --git a/modutils/modutils.h b/modutils/modutils.h
index 5f059c716..2cbd1448a 100644
--- a/modutils/modutils.h
+++ b/modutils/modutils.h
@@ -16,6 +16,36 @@ PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
 /* linux/include/linux/module.h has 64, but this is also used
  * internally for the maximum alias name length, which can be quite long */
 #define MODULE_NAME_LEN 256
+#define MODULE_HASH_SIZE 256
+
+typedef struct module_entry {
+        struct module_entry *next;
+        char *name, *modname;
+        llist_t *deps;
+        IF_MODPROBE(
+                llist_t *realnames;
+                unsigned flags;
+                const char *probed_name; /* verbatim as seen on cmdline */
+                char *options; /* options from config files */
+        )
+        IF_DEPMOD(
+                llist_t *aliases;
+                llist_t *symbols;
+                struct module_entry *dnext, *dprev;
+        )
+} module_entry;
+
+typedef struct module_db {
+        module_entry *buckets[MODULE_HASH_SIZE];
+} module_db;
+
+#define moddb_foreach_module(db, module, index) \
+        for ((index) = 0; (index) < MODULE_HASH_SIZE; (index)++) \
+                for (module = (db)->buckets[index]; module; module = module->next)
+
+module_entry *moddb_get(module_db *db, const char *s) FAST_FUNC;
+module_entry *moddb_get_or_create(module_db *db, const char *s) FAST_FUNC;
+void moddb_free(module_db *db) FAST_FUNC;
 
 void replace(char *s, char what, char with) FAST_FUNC;
 char *replace_underscores(char *s) FAST_FUNC;