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
nx_debugfs_init(struct nx_crypto_driver * drv)33 void 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
60 void
nx_debugfs_fini(struct nx_crypto_driver * drv)61 nx_debugfs_fini(struct nx_crypto_driver *drv)
62 {
63 debugfs_remove_recursive(drv->dfs_root);
64 }
65
66 #endif
67