gpu: nvgpu: Implement gp10b context creation

Implement context creation for gp10b. GfxP contexts need per channel
buffers.

Bug 1517461

Change-Id: Ifecb59002f89f0407457730a35bfb3fe988b907a
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/660236

1 files changed, 18 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gp10b/gr_gp10b.h b/drivers/gpu/nvgpu/gp10b/gr_gp10b.h
index 536a7d27..6bbda564 100644
--- a/drivers/gpu/nvgpu/gp10b/gr_gp10b.h
+++ b/drivers/gpu/nvgpu/gp10b/gr_gp10b.h
@@ -16,7 +16,7 @@
 #ifndef _NVGPU_GR_GP10B_H_
 #define _NVGPU_GR_GP10B_H_
 
-struct gk20a;
+struct gpu_ops;
 
 enum {
         PASCAL_CHANNEL_GPFIFO_A  = 0xC06F,
@@ -32,4 +32,21 @@ enum {
 
 void gp10b_init_gr(struct gpu_ops *ops);
 
+struct gr_t18x {
+        struct {
+                u32 preempt_image_size;
+        } ctx_vars;
+};
+
+struct gr_ctx_desc_t18x {
+        int preempt_mode;
+        struct mem_desc preempt_ctxsw_buffer;
+        struct mem_desc spill_ctxsw_buffer;
+        struct mem_desc betacb_ctxsw_buffer;
+        struct mem_desc pagepool_ctxsw_buffer;
+};
+
+#define NVGPU_GR_PREEMPTION_MODE_WFI            0
+#define NVGPU_GR_PREEMPTION_MODE_GFXP           1
+
 #endif