1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * debugfs routines supporting the Power 7+ Nest Accelerators driver
4 *
5 * Copyright (C) 2011-2012 International Business Machines Inc.
6 *
7 * Author: Kent Yoder <yoder1@us.ibm.com>
8 */
9
10#include <linux/device.h>
11#include <linux/kobject.h>
12#include <linux/string.h>
13#include <linux/debugfs.h>
14#include <linux/module.h>
15#include <linux/init.h>
16#include <linux/crypto.h>
17#include <crypto/hash.h>
18#include <asm/vio.h>
19
20#include "nx_csbcpb.h"
21#include "nx.h"
22
23#ifdef CONFIG_DEBUG_FS
24
25/*
26 * debugfs
27 *
28 * For documentation on these attributes, please see:
29 *
30 * Documentation/ABI/testing/debugfs-pfo-nx-crypto
31 */
32
33void nx_debugfs_init(struct nx_crypto_driver *drv)
34{
35	struct dentry *root;
36
37	root = debugfs_create_dir(NX_NAME, NULL);
38	drv->dfs_root = root;
39
40	debugfs_create_u32("aes_ops", S_IRUSR | S_IRGRP | S_IROTH,
41			   root, &drv->stats.aes_ops.counter);
42	debugfs_create_u32("sha256_ops", S_IRUSR | S_IRGRP | S_IROTH,
43			   root, &drv->stats.sha256_ops.counter);
44	debugfs_create_u32("sha512_ops", S_IRUSR | S_IRGRP | S_IROTH,
45			   root, &drv->stats.sha512_ops.counter);
46	debugfs_create_u64("aes_bytes", S_IRUSR | S_IRGRP | S_IROTH,
47			   root, &drv->stats.aes_bytes.counter);
48	debugfs_create_u64("sha256_bytes", S_IRUSR | S_IRGRP | S_IROTH,
49			   root, &drv->stats.sha256_bytes.counter);
50	debugfs_create_u64("sha512_bytes", S_IRUSR | S_IRGRP | S_IROTH,
51			   root, &drv->stats.sha512_bytes.counter);
52	debugfs_create_u32("errors", S_IRUSR | S_IRGRP | S_IROTH,
53			   root, &drv->stats.errors.counter);
54	debugfs_create_u32("last_error", S_IRUSR | S_IRGRP | S_IROTH,
55			   root, &drv->stats.last_error.counter);
56	debugfs_create_u32("last_error_pid", S_IRUSR | S_IRGRP | S_IROTH,
57			   root, &drv->stats.last_error_pid.counter);
58}
59
60void
61nx_debugfs_fini(struct nx_crypto_driver *drv)
62{
63	debugfs_remove_recursive(drv->dfs_root);
64}
65
66#endif
67