gpu: nvgpu: Per-chip context creation

Add HAL for context creation, and expose functions that T18x context
creation needs.

Bug 1517461
Bug 1521790
Bug 200063473

Change-Id: I63d1c52594e851570b677184a4585d402125a86d
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/660237

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index ef43d29a..75c6ef89 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -144,6 +144,16 @@ struct gpu_ops {
                 int (*add_zbc_depth)(struct gk20a *g, struct gr_gk20a *gr,
                                   struct zbc_entry *depth_val, u32 index);
                 u32 (*pagepool_default_size)(struct gk20a *g);
+                int (*init_ctx_state)(struct gk20a *g);
+                int (*alloc_gr_ctx)(struct gk20a *g,
+                          struct gr_ctx_desc **__gr_ctx, struct vm_gk20a *vm,
+                          u32 padding);
+                void (*free_gr_ctx)(struct gk20a *g,
+                          struct vm_gk20a *vm,
+                          struct gr_ctx_desc *gr_ctx);
+                void (*update_ctxsw_preemption_mode)(struct gk20a *g,
+                                struct channel_ctx_gk20a *ch_ctx,
+                                void *ctx_ptr);
         } gr;
         const char *name;
         struct {