ice_debugfs.c

 1// SPDX-License-Identifier: GPL-2.0
 2/* Copyright (c) 2022, Intel Corporation. */
 3
 4#include <linux/debugfs.h>
 5#include "ice.h"
 6
 7static struct dentry *ice_debugfs_root;
 8
 9int ice_debugfs_pf_init(struct ice_pf *pf)
10{
11	const char *name = pci_name(pf->pdev);
12
13	pf->ice_debugfs_pf = debugfs_create_dir(name, ice_debugfs_root);
14	if (IS_ERR(pf->ice_debugfs_pf))
15		return PTR_ERR(pf->ice_debugfs_pf);
16
17	return 0;
18}
19
20/**
21 * ice_debugfs_pf_deinit - cleanup PF's debugfs
22 * @pf: pointer to the PF struct
23 */
24void ice_debugfs_pf_deinit(struct ice_pf *pf)
25{
26	debugfs_remove_recursive(pf->ice_debugfs_pf);
27	pf->ice_debugfs_pf = NULL;
28}
29
30/**
31 * ice_debugfs_init - create root directory for debugfs entries
32 */
33void ice_debugfs_init(void)
34{
35	ice_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL);
36	if (IS_ERR(ice_debugfs_root))
37		pr_info("init of debugfs failed\n");
38}
39
40/**
41 * ice_debugfs_exit - remove debugfs entries
42 */
43void ice_debugfs_exit(void)
44{
45	debugfs_remove_recursive(ice_debugfs_root);
46	ice_debugfs_root = NULL;
47}