1 files changed, 61 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/vgpu/ltc_vgpu.c b/drivers/gpu/nvgpu/common/linux/vgpu/ltc_vgpu.c
new file mode 100644
index 00000000..627ad1a8
--- /dev/null
+++ b/drivers/gpu/nvgpu/common/linux/vgpu/ltc_vgpu.c
@@ -0,0 +1,61 @@
+/*
+ * Virtualized GPU L2
+ *
+ * Copyright (c) 2014-2017 NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "vgpu.h"
+#include "ltc_vgpu.h"
+
+int vgpu_determine_L2_size_bytes(struct gk20a *g)
+{
+        struct vgpu_priv_data *priv = vgpu_get_priv_data(g);
+
+        gk20a_dbg_fn("");
+
+        return priv->constants.l2_size;
+}
+
+int vgpu_ltc_init_comptags(struct gk20a *g, struct gr_gk20a *gr)
+{
+        struct vgpu_priv_data *priv = vgpu_get_priv_data(g);
+        u32 max_comptag_lines = 0;
+        int err;
+
+        gk20a_dbg_fn("");
+
+        gr->cacheline_size = priv->constants.cacheline_size;
+        gr->comptags_per_cacheline = priv->constants.comptags_per_cacheline;
+        gr->slices_per_ltc = priv->constants.slices_per_ltc;
+        max_comptag_lines = priv->constants.comptag_lines;
+
+        if (max_comptag_lines < 2)
+                return -ENXIO;
+
+        err = gk20a_comptag_allocator_init(g, &gr->comp_tags, max_comptag_lines);
+        if (err)
+                return err;
+
+        return 0;
+}
+
+void vgpu_ltc_init_fs_state(struct gk20a *g)
+{
+        struct vgpu_priv_data *priv = vgpu_get_priv_data(g);
+
+        gk20a_dbg_fn("");
+
+        g->ltc_count = priv->constants.ltc_count;
+}