Root/
Source at commit b386be689295730688885552666ea40b2e639b14 created 11 years 11 months ago. By Maarten ter Huurne, Revert "MIPS: JZ4740: reset: Initialize hibernate wakeup counters." | |
---|---|
1 | /* |
2 | * Scatterlist Cryptographic API. |
3 | * |
4 | * Procfs information. |
5 | * |
6 | * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> |
7 | * Copyright (c) 2005 Herbert Xu <herbert@gondor.apana.org.au> |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify it |
10 | * under the terms of the GNU General Public License as published by the Free |
11 | * Software Foundation; either version 2 of the License, or (at your option) |
12 | * any later version. |
13 | * |
14 | */ |
15 | |
16 | #include <linux/atomic.h> |
17 | #include <linux/init.h> |
18 | #include <linux/crypto.h> |
19 | #include <linux/module.h> /* for module_name() */ |
20 | #include <linux/rwsem.h> |
21 | #include <linux/proc_fs.h> |
22 | #include <linux/seq_file.h> |
23 | #include <linux/sysctl.h> |
24 | #include "internal.h" |
25 | |
26 | #ifdef CONFIG_CRYPTO_FIPS |
27 | static struct ctl_table crypto_sysctl_table[] = { |
28 | { |
29 | .procname = "fips_enabled", |
30 | .data = &fips_enabled, |
31 | .maxlen = sizeof(int), |
32 | .mode = 0444, |
33 | .proc_handler = proc_dointvec |
34 | }, |
35 | {} |
36 | }; |
37 | |
38 | static struct ctl_table crypto_dir_table[] = { |
39 | { |
40 | .procname = "crypto", |
41 | .mode = 0555, |
42 | .child = crypto_sysctl_table |
43 | }, |
44 | {} |
45 | }; |
46 | |
47 | static struct ctl_table_header *crypto_sysctls; |
48 | |
49 | static void crypto_proc_fips_init(void) |
50 | { |
51 | crypto_sysctls = register_sysctl_table(crypto_dir_table); |
52 | } |
53 | |
54 | static void crypto_proc_fips_exit(void) |
55 | { |
56 | if (crypto_sysctls) |
57 | unregister_sysctl_table(crypto_sysctls); |
58 | } |
59 | #else |
60 | #define crypto_proc_fips_init() |
61 | #define crypto_proc_fips_exit() |
62 | #endif |
63 | |
64 | static void *c_start(struct seq_file *m, loff_t *pos) |
65 | { |
66 | down_read(&crypto_alg_sem); |
67 | return seq_list_start(&crypto_alg_list, *pos); |
68 | } |
69 | |
70 | static void *c_next(struct seq_file *m, void *p, loff_t *pos) |
71 | { |
72 | return seq_list_next(p, &crypto_alg_list, pos); |
73 | } |
74 | |
75 | static void c_stop(struct seq_file *m, void *p) |
76 | { |
77 | up_read(&crypto_alg_sem); |
78 | } |
79 | |
80 | static int c_show(struct seq_file *m, void *p) |
81 | { |
82 | struct crypto_alg *alg = list_entry(p, struct crypto_alg, cra_list); |
83 | |
84 | seq_printf(m, "name : %s\n", alg->cra_name); |
85 | seq_printf(m, "driver : %s\n", alg->cra_driver_name); |
86 | seq_printf(m, "module : %s\n", module_name(alg->cra_module)); |
87 | seq_printf(m, "priority : %d\n", alg->cra_priority); |
88 | seq_printf(m, "refcnt : %d\n", atomic_read(&alg->cra_refcnt)); |
89 | seq_printf(m, "selftest : %s\n", |
90 | (alg->cra_flags & CRYPTO_ALG_TESTED) ? |
91 | "passed" : "unknown"); |
92 | |
93 | if (alg->cra_flags & CRYPTO_ALG_LARVAL) { |
94 | seq_printf(m, "type : larval\n"); |
95 | seq_printf(m, "flags : 0x%x\n", alg->cra_flags); |
96 | goto out; |
97 | } |
98 | |
99 | if (alg->cra_type && alg->cra_type->show) { |
100 | alg->cra_type->show(m, alg); |
101 | goto out; |
102 | } |
103 | |
104 | switch (alg->cra_flags & (CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_LARVAL)) { |
105 | case CRYPTO_ALG_TYPE_CIPHER: |
106 | seq_printf(m, "type : cipher\n"); |
107 | seq_printf(m, "blocksize : %u\n", alg->cra_blocksize); |
108 | seq_printf(m, "min keysize : %u\n", |
109 | alg->cra_cipher.cia_min_keysize); |
110 | seq_printf(m, "max keysize : %u\n", |
111 | alg->cra_cipher.cia_max_keysize); |
112 | break; |
113 | case CRYPTO_ALG_TYPE_COMPRESS: |
114 | seq_printf(m, "type : compression\n"); |
115 | break; |
116 | default: |
117 | seq_printf(m, "type : unknown\n"); |
118 | break; |
119 | } |
120 | |
121 | out: |
122 | seq_putc(m, '\n'); |
123 | return 0; |
124 | } |
125 | |
126 | static const struct seq_operations crypto_seq_ops = { |
127 | .start = c_start, |
128 | .next = c_next, |
129 | .stop = c_stop, |
130 | .show = c_show |
131 | }; |
132 | |
133 | static int crypto_info_open(struct inode *inode, struct file *file) |
134 | { |
135 | return seq_open(file, &crypto_seq_ops); |
136 | } |
137 | |
138 | static const struct file_operations proc_crypto_ops = { |
139 | .open = crypto_info_open, |
140 | .read = seq_read, |
141 | .llseek = seq_lseek, |
142 | .release = seq_release |
143 | }; |
144 | |
145 | void __init crypto_init_proc(void) |
146 | { |
147 | proc_create("crypto", 0, NULL, &proc_crypto_ops); |
148 | crypto_proc_fips_init(); |
149 | } |
150 | |
151 | void __exit crypto_exit_proc(void) |
152 | { |
153 | crypto_proc_fips_exit(); |
154 | remove_proc_entry("crypto", NULL); |
155 | } |
156 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9