1 files changed, 16 insertions, 0 deletions
diff --git a/kernel/gsp_sema_service.h b/kernel/gsp_sema_service.h
new file mode 100644
index 0000000..2dfa28d
--- /dev/null
+++ b/kernel/gsp_sema_service.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _GSP_SEMA_SERVICE_H_
+#define _GSP_SEMA_SERVICE_H_
+
+/*
+ * Emulated-GPU progress service: discovers the guest's GPU-VA -> guest-PA
+ * mapping and applies the copy-engine semaphore releases found in mapped
+ * pages, so that the guest's UVM progress waits complete.
+ *
+ * See gsp_sema_service.c for the full description.
+ */
+
+int  gsp_sema_service_start(void);
+void gsp_sema_service_stop(void);
+
+#endif /* _GSP_SEMA_SERVICE_H_ */