gpu: nvgpu: add tsg_open HAL interface

Add HAL interface for TSG open, which is intended to
be called from the exisiting gk20a_tsg_open function.

The tsg_open entryoint is only implemented for vgpu,
as the server needs to clear metadata when a tsg is opened.

Bug 200215060

Change-Id: Icc8fd602f31e52d9fa9b2e7786b665b9e7b9294e
Signed-off-by: Sachit Kadle <skadle@nvidia.com>
Reviewed-on: http://git-master/r/1249218
(cherry picked from commit 35c86f7c796c6574d3dc336e20012ea5c16d7cb4)
Reviewed-on: http://git-master/r/1256468
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 456622a4..79698d23 100644
--- a/include/linux/tegra_vgpu.h
+++ b/include/linux/tegra_vgpu.h
@@ -98,6 +98,7 @@ enum {
         TEGRA_VGPU_CMD_SET_GPU_CLK_RATE = 61,
         TEGRA_VGPU_CMD_GET_CONSTANTS = 62,
         TEGRA_VGPU_CMD_CHANNEL_CYCLESTATS_SNAPSHOT = 63,
+        TEGRA_VGPU_CMD_TSG_OPEN = 64,
 };
 
 struct tegra_vgpu_connect_params {
@@ -387,6 +388,10 @@ struct tegra_vgpu_tsg_timeslice_params {
         u32 timeslice_us;
 };
 
+struct tegra_vgpu_tsg_open_params {
+        u32 tsg_id;
+};
+
 /* level follows nvgpu.h definitions */
 struct tegra_vgpu_tsg_runlist_interleave_params {
         u32 tsg_id;
@@ -486,6 +491,7 @@ struct tegra_vgpu_cmd_msg {
                 struct tegra_vgpu_channel_bind_gr_ctx_params ch_bind_gr_ctx;
                 struct tegra_vgpu_tsg_bind_gr_ctx_params tsg_bind_gr_ctx;
                 struct tegra_vgpu_tsg_bind_unbind_channel_params tsg_bind_unbind_channel;
+                struct tegra_vgpu_tsg_open_params tsg_open;
                 struct tegra_vgpu_tsg_preempt_params tsg_preempt;
                 struct tegra_vgpu_tsg_timeslice_params tsg_timeslice;
                 struct tegra_vgpu_tsg_runlist_interleave_params tsg_interleave;