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1 | /** |
2 | * debugfs routines supporting the Power 7+ Nest Accelerators driver | |
3 | * | |
4 | * Copyright (C) 2011-2012 International Business Machines Inc. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; version 2 only. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
18 | * | |
19 | * Author: Kent Yoder <yoder1@us.ibm.com> | |
20 | */ | |
21 | ||
22 | #include <linux/device.h> | |
23 | #include <linux/kobject.h> | |
24 | #include <linux/string.h> | |
25 | #include <linux/debugfs.h> | |
26 | #include <linux/module.h> | |
27 | #include <linux/init.h> | |
28 | #include <linux/crypto.h> | |
29 | #include <crypto/hash.h> | |
30 | #include <asm/vio.h> | |
31 | ||
32 | #include "nx_csbcpb.h" | |
33 | #include "nx.h" | |
34 | ||
35 | #ifdef CONFIG_DEBUG_FS | |
36 | ||
37 | /* | |
38 | * debugfs | |
39 | * | |
40 | * For documentation on these attributes, please see: | |
41 | * | |
42 | * Documentation/ABI/testing/debugfs-pfo-nx-crypto | |
43 | */ | |
44 | ||
45 | int nx_debugfs_init(struct nx_crypto_driver *drv) | |
46 | { | |
47 | struct nx_debugfs *dfs = &drv->dfs; | |
48 | ||
49 | dfs->dfs_root = debugfs_create_dir(NX_NAME, NULL); | |
50 | ||
51 | dfs->dfs_aes_ops = | |
52 | debugfs_create_u32("aes_ops", | |
53 | S_IRUSR | S_IRGRP | S_IROTH, | |
54 | dfs->dfs_root, (u32 *)&drv->stats.aes_ops); | |
55 | dfs->dfs_sha256_ops = | |
56 | debugfs_create_u32("sha256_ops", | |
57 | S_IRUSR | S_IRGRP | S_IROTH, | |
58 | dfs->dfs_root, | |
59 | (u32 *)&drv->stats.sha256_ops); | |
60 | dfs->dfs_sha512_ops = | |
61 | debugfs_create_u32("sha512_ops", | |
62 | S_IRUSR | S_IRGRP | S_IROTH, | |
63 | dfs->dfs_root, | |
64 | (u32 *)&drv->stats.sha512_ops); | |
65 | dfs->dfs_aes_bytes = | |
66 | debugfs_create_u64("aes_bytes", | |
67 | S_IRUSR | S_IRGRP | S_IROTH, | |
68 | dfs->dfs_root, | |
69 | (u64 *)&drv->stats.aes_bytes); | |
70 | dfs->dfs_sha256_bytes = | |
71 | debugfs_create_u64("sha256_bytes", | |
72 | S_IRUSR | S_IRGRP | S_IROTH, | |
73 | dfs->dfs_root, | |
74 | (u64 *)&drv->stats.sha256_bytes); | |
75 | dfs->dfs_sha512_bytes = | |
76 | debugfs_create_u64("sha512_bytes", | |
77 | S_IRUSR | S_IRGRP | S_IROTH, | |
78 | dfs->dfs_root, | |
79 | (u64 *)&drv->stats.sha512_bytes); | |
80 | dfs->dfs_errors = | |
81 | debugfs_create_u32("errors", | |
82 | S_IRUSR | S_IRGRP | S_IROTH, | |
83 | dfs->dfs_root, (u32 *)&drv->stats.errors); | |
84 | dfs->dfs_last_error = | |
85 | debugfs_create_u32("last_error", | |
86 | S_IRUSR | S_IRGRP | S_IROTH, | |
87 | dfs->dfs_root, | |
88 | (u32 *)&drv->stats.last_error); | |
89 | dfs->dfs_last_error_pid = | |
90 | debugfs_create_u32("last_error_pid", | |
91 | S_IRUSR | S_IRGRP | S_IROTH, | |
92 | dfs->dfs_root, | |
93 | (u32 *)&drv->stats.last_error_pid); | |
94 | return 0; | |
95 | } | |
96 | ||
97 | void | |
98 | nx_debugfs_fini(struct nx_crypto_driver *drv) | |
99 | { | |
100 | debugfs_remove_recursive(drv->dfs.dfs_root); | |
101 | } | |
102 | ||
103 | #endif |