bifrost/r12p0/kernel/drivers/gpu/arm/midgard/mali_kbase_mem_pool_debugfs.c

/*
 *
 * (C) COPYRIGHT 2014-2015, 2017 ARM Limited. All rights reserved.
 *
 * This program is free software and is provided to you under the terms of the
 * GNU General Public License version 2 as published by the Free Software
 * Foundation, and any use by you of this program is subject to the terms
 * of such GNU licence.
 *
 * This program is distributed in the hope that 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, you can access it online at
 * http://www.gnu.org/licenses/gpl-2.0.html.
 *
 * SPDX-License-Identifier: GPL-2.0
 *
 */

#include <linux/debugfs.h>
#include <linux/seq_file.h>

#include <mali_kbase_mem_pool_debugfs.h>

#ifdef CONFIG_DEBUG_FS

static int kbase_mem_pool_debugfs_size_get(void *data, u64 *val)
{
	struct kbase_mem_pool *pool = (struct kbase_mem_pool *)data;

	*val = kbase_mem_pool_size(pool);

	return 0;
}

static int kbase_mem_pool_debugfs_size_set(void *data, u64 val)
{
	struct kbase_mem_pool *pool = (struct kbase_mem_pool *)data;

	kbase_mem_pool_trim(pool, val);

	return 0;
}

DEFINE_SIMPLE_ATTRIBUTE(kbase_mem_pool_debugfs_size_fops,
		kbase_mem_pool_debugfs_size_get,
		kbase_mem_pool_debugfs_size_set,
		"%llu\n");

static int kbase_mem_pool_debugfs_max_size_get(void *data, u64 *val)
{
	struct kbase_mem_pool *pool = (struct kbase_mem_pool *)data;

	*val = kbase_mem_pool_max_size(pool);

	return 0;
}

static int kbase_mem_pool_debugfs_max_size_set(void *data, u64 val)
{
	struct kbase_mem_pool *pool = (struct kbase_mem_pool *)data;

	kbase_mem_pool_set_max_size(pool, val);

	return 0;
}

DEFINE_SIMPLE_ATTRIBUTE(kbase_mem_pool_debugfs_max_size_fops,
		kbase_mem_pool_debugfs_max_size_get,
		kbase_mem_pool_debugfs_max_size_set,
		"%llu\n");

void kbase_mem_pool_debugfs_init(struct dentry *parent,
		struct kbase_mem_pool *pool,
		struct kbase_mem_pool *lp_pool)
{
	debugfs_create_file("mem_pool_size", S_IRUGO | S_IWUSR, parent,
			pool, &kbase_mem_pool_debugfs_size_fops);

	debugfs_create_file("mem_pool_max_size", S_IRUGO | S_IWUSR, parent,
			pool, &kbase_mem_pool_debugfs_max_size_fops);

	debugfs_create_file("lp_mem_pool_size", S_IRUGO | S_IWUSR, parent,
			lp_pool, &kbase_mem_pool_debugfs_size_fops);

	debugfs_create_file("lp_mem_pool_max_size", S_IRUGO | S_IWUSR, parent,
			lp_pool, &kbase_mem_pool_debugfs_max_size_fops);
}

#endif /* CONFIG_DEBUG_FS */