2 * Copyright 2016-2017 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
23 #include <linux/debugfs.h>
26 static struct dentry *debugfs_root;
28 static int kfd_debugfs_open(struct inode *inode, struct file *file)
30 int (*show)(struct seq_file *, void *) = inode->i_private;
32 return single_open(file, show, NULL);
35 static const struct file_operations kfd_debugfs_fops = {
37 .open = kfd_debugfs_open,
40 .release = single_release,
43 void kfd_debugfs_init(void)
47 debugfs_root = debugfs_create_dir("kfd", NULL);
48 if (!debugfs_root || debugfs_root == ERR_PTR(-ENODEV)) {
49 pr_warn("Failed to create kfd debugfs dir\n");
53 ent = debugfs_create_file("mqds", S_IFREG | 0444, debugfs_root,
54 kfd_debugfs_mqds_by_process,
57 pr_warn("Failed to create mqds in kfd debugfs\n");
59 ent = debugfs_create_file("hqds", S_IFREG | 0444, debugfs_root,
60 kfd_debugfs_hqds_by_device,
63 pr_warn("Failed to create hqds in kfd debugfs\n");
65 ent = debugfs_create_file("rls", S_IFREG | 0444, debugfs_root,
66 kfd_debugfs_rls_by_device,
69 pr_warn("Failed to create rls in kfd debugfs\n");
72 void kfd_debugfs_fini(void)
74 debugfs_remove_recursive(debugfs_root);