1 files changed, 34 insertions, 0 deletions

diff --git a/include/litmus/sched_plugin.h b/include/litmus/sched_plugin.h
index 071e809564b2..186e99c6bb88 100644
--- a/include/litmus/sched_plugin.h
+++ b/include/litmus/sched_plugin.h
@@ -41,6 +41,25 @@ static inline struct fmlp_semaphore* to_fmlp(struct pi_semaphore* sem) {
 }
 #endif
 
+#ifdef CONFIG_OMLP
+struct omlp_semaphore {
+        /* NOTE: first part of struct matchs fmlp_semaphore, so
+         * omlp_struct can be cast to fmlp_struct
+         */
+        struct pi_semaphore pi; /* must always be first. */
+
+        /* current lock holder */
+        struct task_struct *holder;
+
+        /* PQ - just a single list since we only support G-EDF for now */
+        struct list_head pq_task_list;
+};
+
+static inline struct omlp_semaphore* to_omlp(struct pi_semaphore* sem) {
+        return (struct omlp_semaphore*)sem;
+}
+#endif
+
 /************************ setup/tear down ********************/
 
 typedef long (*activate_plugin_t) (void);
@@ -149,6 +168,13 @@ struct sched_plugin {
         return_priority_t       fmlp_return_priority;
         pi_block_t          fmlp_pi_block;
 #endif
+
+#ifdef CONFIG_OMLP
+        unsigned int            omlp_active;
+        inherit_priority_t      omlp_inherit_priority;
+        return_priority_t       omlp_return_priority;
+        pi_block_t                      omlp_pi_block;
+#endif
 } __attribute__ ((__aligned__(SMP_CACHE_BYTES)));
 
 
@@ -177,6 +203,14 @@ static inline int fmlp_active(void)
         return 0;
 #endif
 }
+static inline int omlp_active(void)
+{
+#ifdef CONFIG_OMLP
+        return litmus->omlp_active;
+#else
+        return 0;
+#endif
+}
 
 extern struct sched_plugin linux_sched_plugin;