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/*
* Virtualized GPU L2
*
* Copyright (c) 2014-2016 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.
*/
#include "vgpu/vgpu.h"
static 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;
}
static 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(&gr->comp_tags, max_comptag_lines);
if (err)
return err;
return 0;
}
static 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;
}
void vgpu_init_ltc_ops(struct gpu_ops *gops)
{
gops->ltc.determine_L2_size_bytes = vgpu_determine_L2_size_bytes;
gops->ltc.init_comptags = vgpu_ltc_init_comptags;
gops->ltc.init_fs_state = vgpu_ltc_init_fs_state;
gops->ltc.cbc_ctrl = NULL;
}
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