/*
 * 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;
}