mirror of
git://nv-tegra.nvidia.com/linux-nvgpu.git
synced 2025-12-22 09:12:24 +03:00
54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/*
|
|
* Virtualized GPU CBC
|
|
*
|
|
* Copyright (c) 2019 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 <nvgpu/gk20a.h>
|
|
#include <nvgpu/vgpu/vgpu.h>
|
|
|
|
#include "cbc_vgpu.h"
|
|
|
|
int vgpu_cbc_alloc_comptags(struct gk20a *g, struct nvgpu_cbc *cbc)
|
|
{
|
|
struct vgpu_priv_data *priv = vgpu_get_priv_data(g);
|
|
u32 max_comptag_lines = 0;
|
|
int err;
|
|
|
|
nvgpu_log_fn(g, " ");
|
|
|
|
cbc->comptags_per_cacheline = priv->constants.comptags_per_cacheline;
|
|
max_comptag_lines = priv->constants.comptag_lines;
|
|
|
|
if (max_comptag_lines < 2) {
|
|
return -ENXIO;
|
|
}
|
|
|
|
err = gk20a_comptag_allocator_init(g, &cbc->comp_tags, max_comptag_lines);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
cbc->max_comptag_lines = max_comptag_lines;
|
|
|
|
return 0;
|
|
}
|