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8#include <linux/export.h>
9#include <linux/fips.h>
10#include <linux/init.h>
11#include <linux/module.h>
12#include <linux/kernel.h>
13#include <linux/sysctl.h>
14
15int fips_enabled;
16EXPORT_SYMBOL_GPL(fips_enabled);
17
18
19static int fips_enable(char *str)
20{
21 fips_enabled = !!simple_strtol(str, NULL, 0);
22 printk(KERN_INFO "fips mode: %s\n",
23 fips_enabled ? "enabled" : "disabled");
24 return 1;
25}
26
27__setup("fips=", fips_enable);
28
29static struct ctl_table crypto_sysctl_table[] = {
30 {
31 .procname = "fips_enabled",
32 .data = &fips_enabled,
33 .maxlen = sizeof(int),
34 .mode = 0444,
35 .proc_handler = proc_dointvec
36 },
37 {}
38};
39
40static struct ctl_table crypto_dir_table[] = {
41 {
42 .procname = "crypto",
43 .mode = 0555,
44 .child = crypto_sysctl_table
45 },
46 {}
47};
48
49static struct ctl_table_header *crypto_sysctls;
50
51static void crypto_proc_fips_init(void)
52{
53 crypto_sysctls = register_sysctl_table(crypto_dir_table);
54}
55
56static void crypto_proc_fips_exit(void)
57{
58 unregister_sysctl_table(crypto_sysctls);
59}
60
61static int __init fips_init(void)
62{
63 crypto_proc_fips_init();
64 return 0;
65}
66
67static void __exit fips_exit(void)
68{
69 crypto_proc_fips_exit();
70}
71
72subsys_initcall(fips_init);
73module_exit(fips_exit);
74