1 files changed, 28 insertions, 2 deletions

diff --git a/include/uapi/linux/nvgpu.h b/include/uapi/linux/nvgpu.h
index 9d649536..992355d9 100644
--- a/include/uapi/linux/nvgpu.h
+++ b/include/uapi/linux/nvgpu.h
@@ -298,7 +298,20 @@ struct nvgpu_gpu_get_tpc_masks_args {
 };
 
 struct nvgpu_gpu_open_channel_args {
-        __s32 channel_fd;
+        union {
+                __s32 channel_fd; /* deprecated: use out.channel_fd instead */
+                struct {
+                         /* runlist_id is the runlist for the
+                          * channel. Basically, the runlist specifies the target
+                          * engine(s) for which the channel is
+                          * opened. Runlist_id -1 is synonym for the primary
+                          * graphics runlist. */
+                        __s32 runlist_id;
+                } in;
+                struct {
+                        __s32 channel_fd;
+                } out;
+        };
 };
 
 /* L2 cache writeback, optionally invalidate clean lines and flush fb */
@@ -820,7 +833,20 @@ struct nvgpu_get_param_args {
 } __packed;
 
 struct nvgpu_channel_open_args {
-        __s32 channel_fd;
+        union {
+                __s32 channel_fd; /* deprecated: use out.channel_fd instead */
+                struct {
+                         /* runlist_id is the runlist for the
+                          * channel. Basically, the runlist specifies the target
+                          * engine(s) for which the channel is
+                          * opened. Runlist_id -1 is synonym for the primary
+                          * graphics runlist. */
+                        __s32 runlist_id;
+                } in;
+                struct {
+                        __s32 channel_fd;
+                } out;
+        };
 };
 
 struct nvgpu_set_nvmap_fd_args {