gpu: nvgpu: vgpu: add read ptimer support

Bug 1395833

Change-Id: Id0d427b6a1ddaecfeec33c61a6161679cf596c92
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/1159588
(cherry picked from commit d33aa89420990626fb377c56ed5517a00f717c2a)
Reviewed-on: http://git-master/r/1158897
Reviewed-by: Thomas Fleury <tfleury@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/tegra_vgpu.h b/include/linux/tegra_vgpu.h
index 9a31ff40..fc701eb3 100644
--- a/include/linux/tegra_vgpu.h
+++ b/include/linux/tegra_vgpu.h
@@ -95,6 +95,7 @@ enum {
         TEGRA_VGPU_CMD_TSG_SET_RUNLIST_INTERLEAVE,
         TEGRA_VGPU_CMD_CHANNEL_FORCE_RESET,
         TEGRA_VGPU_CMD_CHANNEL_ENABLE,
+        TEGRA_VGPU_CMD_READ_PTIMER,
 };
 
 struct tegra_vgpu_connect_params {
@@ -389,6 +390,10 @@ struct tegra_vgpu_tsg_runlist_interleave_params {
         u32 level;
 };
 
+struct tegra_vgpu_read_ptimer_params {
+        u64 time;
+};
+
 struct tegra_vgpu_cmd_msg {
         u32 cmd;
         int ret;
@@ -429,6 +434,7 @@ struct tegra_vgpu_cmd_msg {
                 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;
+                struct tegra_vgpu_read_ptimer_params read_ptimer;
                 char padding[192];
         } params;
 };