gpu: nvgpu: Add HAL for dumping ctxsw statistics

Add HAL for dumping ctxsw statistics. The statistics are dependent on
the architecture, and the function that calls this operation needs to
be moved to gk20a.

Bug 1842197

Change-Id: I285c74b8ddc8c7854c85b3fef4cbfc582098919e
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1632681
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 4f05ba8f..070b26b6 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -439,6 +439,8 @@ struct gpu_ops {
                 void (*ecc_init_scrub_reg)(struct gk20a *g);
                 u32 (*get_gpcs_swdx_dss_zbc_c_format_reg)(struct gk20a *g);
                 u32 (*get_gpcs_swdx_dss_zbc_z_format_reg)(struct gk20a *g);
+                void (*dump_ctxsw_stats)(struct gk20a *g, struct vm_gk20a *vm,
+                                         struct gr_ctx_desc *gr_ctx);
         } gr;
         struct {
                 void (*init_hw)(struct gk20a *g);