1 files changed, 15 insertions, 0 deletions

diff --git a/amdgpu/amdgpu_internal.h b/amdgpu/amdgpu_internal.h
index 7dd5c1c7..557ba1f1 100644
--- a/amdgpu/amdgpu_internal.h
+++ b/amdgpu/amdgpu_internal.h
@@ -111,8 +111,23 @@ struct amdgpu_bo_list {
 
 struct amdgpu_context {
         struct amdgpu_device *dev;
+        /** Mutex for accessing fences and to maintain command submissions
+            in good sequence. */
+        pthread_mutex_t sequence_mutex;
         /* context id*/
         uint32_t id;
+        uint64_t last_seq[AMDGPU_HW_IP_NUM][AMDGPU_HW_IP_INSTANCE_MAX_COUNT][AMDGPU_CS_MAX_RINGS];
+        struct list_head sem_list[AMDGPU_HW_IP_NUM][AMDGPU_HW_IP_INSTANCE_MAX_COUNT][AMDGPU_CS_MAX_RINGS];
+};
+
+/**
+ * Structure describing sw semaphore based on scheduler
+ *
+ */
+struct amdgpu_semaphore {
+        atomic_t refcount;
+        struct list_head list;
+        struct amdgpu_cs_fence signal_fence;
 };
 
 /**