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/*
* Virtualized GPU L2
*
* Copyright (c) 2014-2016 NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#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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