gpu: nvgpu: vgpu: virtualized SMPC/HWPM ctx switch

Add support for SMPC and HWPM context switching when virtualized

Bug 1648200
JIRASW EVLR-219
JIRASW EVLR-253

Change-Id: I80a1613eaad87d8510f00d9aef001400d642ecdf
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: http://git-master/r/1122034
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 24 insertions, 1 deletions

diff --git a/include/linux/tegra_vgpu.h b/include/linux/tegra_vgpu.h
index c4dd81dd..979d454e 100644
--- a/include/linux/tegra_vgpu.h
+++ b/include/linux/tegra_vgpu.h
@@ -76,7 +76,14 @@ enum {
         TEGRA_VGPU_CMD_REG_OPS,
         TEGRA_VGPU_CMD_CHANNEL_SET_PRIORITY,
         TEGRA_VGPU_CMD_CHANNEL_SET_RUNLIST_INTERLEAVE,
-        TEGRA_VGPU_CMD_CHANNEL_SET_TIMESLICE
+        TEGRA_VGPU_CMD_CHANNEL_SET_TIMESLICE,
+        RESVD1,
+        RESVD2,
+        RESVD3,
+        RESVD4,
+        TEGRA_VGPU_CMD_CHANNEL_SET_SMPC_CTXSW_MODE,
+        TEGRA_VGPU_CMD_CHANNEL_SET_HWPM_CTXSW_MODE,
+        TEGRA_VGPU_CMD_CHANNEL_FREE_HWPM_CTX,
 };
 
 struct tegra_vgpu_connect_params {
@@ -312,6 +319,20 @@ struct tegra_vgpu_channel_timeslice_params {
         u32 timeslice_us;
 };
 
+enum {
+        TEGRA_VGPU_CTXSW_MODE_NO_CTXSW = 0,
+        TEGRA_VGPU_CTXSW_MODE_CTXSW,
+};
+
+struct tegra_vgpu_channel_set_ctxsw_mode {
+        u64 handle;
+        u32 mode;
+};
+
+struct tegra_vgpu_channel_free_hwpm_ctx {
+        u64 handle;
+};
+
 struct tegra_vgpu_cmd_msg {
         u32 cmd;
         int ret;
@@ -342,6 +363,8 @@ struct tegra_vgpu_cmd_msg {
                 struct tegra_vgpu_channel_priority_params channel_priority;
                 struct tegra_vgpu_channel_runlist_interleave_params channel_interleave;
                 struct tegra_vgpu_channel_timeslice_params channel_timeslice;
+                struct tegra_vgpu_channel_set_ctxsw_mode set_ctxsw_mode;
+                struct tegra_vgpu_channel_free_hwpm_ctx free_hwpm_ctx;
                 char padding[192];
         } params;
 };