linux/drivers/gpu/drm/amd/amdkfd/kfd_debugfs.c

// SPDX-License-Identifier: GPL-2.0 OR MIT
/*
 * Copyright 2016-2022 Advanced Micro Devices, Inc.
 *
 * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 <linux/debugfs.h>
#include <linux/uaccess.h>

#include "kfd_priv.h"

static struct dentry *debugfs_root;

static int kfd_debugfs_open(struct inode *inode, struct file *file)
{ … }
static int kfd_debugfs_hang_hws_read(struct seq_file *m, void *data)
{ … }

static ssize_t kfd_debugfs_hang_hws_write(struct file *file,
	const char __user *user_buf, size_t size, loff_t *ppos)
{ … }

static const struct file_operations kfd_debugfs_fops = …;

static const struct file_operations kfd_debugfs_hang_hws_fops = …;

void kfd_debugfs_init(void)
{ … }

void kfd_debugfs_fini(void)
{ … }