gpu: nvgpu: Add interface for privileged channel allocation

Added interface for privileged channel allocation to excute
the privileged method  (ex. CE phys mode transfer).

JIRA DNVGPU-53

Change-Id: I07f9181720b14345cf5890919c2818dfcf505d86
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: http://git-master/r/1169315
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
index f60bbda4..acd272b4 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
@@ -200,6 +200,8 @@ struct channel_gk20a {
         u32 interleave_level;
 
         u32 runlist_id;
+
+        bool is_privileged_channel;
 };
 
 static inline bool gk20a_channel_as_bound(struct channel_gk20a *ch)
@@ -255,7 +257,9 @@ void _gk20a_channel_put(struct channel_gk20a *ch, const char *caller);
 int gk20a_wait_channel_idle(struct channel_gk20a *ch);
 
 /* runlist_id -1 is synonym for ENGINE_GR_GK20A runlist id */
-struct channel_gk20a *gk20a_open_new_channel(struct gk20a *g, s32 runlist_id);
+struct channel_gk20a *gk20a_open_new_channel(struct gk20a *g,
+                s32 runlist_id,
+                bool is_privileged_channel);
 struct channel_gk20a *gk20a_open_new_channel_with_cb(struct gk20a *g,
                 void (*update_fn)(struct channel_gk20a *, void *),
                 void *update_fn_data);
@@ -291,4 +295,6 @@ int gk20a_channel_set_timeslice(struct channel_gk20a *ch, u32 timeslice);
 void gk20a_channel_event_id_post_event(struct channel_gk20a *ch,
                                        int event_id);
 
+void gk20a_channel_setup_ramfc_for_privileged_channel(struct channel_gk20a *c);
+
 #endif /* CHANNEL_GK20A_H */