1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/mm_gk20a.h b/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
index f3dffa46..d39ca2d0 100644
--- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.h
@@ -52,6 +52,12 @@ enum gk20a_aperture {
         APERTURE_VIDMEM
 };
 
+enum gk20a_mem_rw_flag {
+        gk20a_mem_flag_none = 0,
+        gk20a_mem_flag_read_only = 1,
+        gk20a_mem_flag_write_only = 2,
+};
+
 static inline const char *gk20a_aperture_str(enum gk20a_aperture aperture)
 {
         switch (aperture) {