gpu: nvgpu: vgpu: retrieve gpu load

Add support to send command to RM server to retrieve
GPU load.

Bug 200261903

Change-Id: Ie3d0ba7ec91317e9a2911f71613ad78d20f9c1fb
Signed-off-by: Aparna Das <aparnad@nvidia.com>
Reviewed-on: http://git-master/r/1275045
(cherry picked from commit 5a6c1de1e6997bfd803b4b95b3e44e282ba32f67)
Reviewed-on: http://git-master/r/1283279
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/tegra_vgpu.h b/include/linux/tegra_vgpu.h
index 14449242..b83b9669 100644
--- a/include/linux/tegra_vgpu.h
+++ b/include/linux/tegra_vgpu.h
@@ -99,6 +99,7 @@ enum {
         TEGRA_VGPU_CMD_GET_CONSTANTS = 62,
         TEGRA_VGPU_CMD_CHANNEL_CYCLESTATS_SNAPSHOT = 63,
         TEGRA_VGPU_CMD_TSG_OPEN = 64,
+        TEGRA_VGPU_CMD_GET_GPU_LOAD = 65,
 };
 
 struct tegra_vgpu_connect_params {
@@ -454,6 +455,10 @@ struct tegra_vgpu_channel_cyclestats_snapshot_params {
         u8 hw_overflow;
 };
 
+struct tegra_vgpu_gpu_load_params {
+        u32 load;
+};
+
 struct tegra_vgpu_cmd_msg {
         u32 cmd;
         int ret;
@@ -500,6 +505,7 @@ struct tegra_vgpu_cmd_msg {
                 struct tegra_vgpu_gpu_clk_rate_params gpu_clk_rate;
                 struct tegra_vgpu_constants_params constants;
                 struct tegra_vgpu_channel_cyclestats_snapshot_params cyclestats_snapshot;
+                struct tegra_vgpu_gpu_load_params gpu_load;
                 char padding[192];
         } params;
 };