1 files changed, 48 insertions, 0 deletions
diff --git a/crypto/fips.c b/crypto/fips.c
index 0f65df997bfe..9d627c1cf8bc 100644
--- a/crypto/fips.c
+++ b/crypto/fips.c
@@ -13,7 +13,9 @@
 #include <linux/export.h>
 #include <linux/fips.h>
 #include <linux/init.h>
+#include <linux/module.h>
 #include <linux/kernel.h>
+#include <linux/sysctl.h>
 
 int fips_enabled;
 EXPORT_SYMBOL_GPL(fips_enabled);
@@ -28,3 +30,49 @@ static int fips_enable(char *str)
 }
 
 __setup("fips=", fips_enable);
+
+static struct ctl_table crypto_sysctl_table[] = {
+	{
+		.procname       = "fips_enabled",
+		.data           = &fips_enabled,
+		.maxlen         = sizeof(int),
+		.mode           = 0444,
+		.proc_handler   = proc_dointvec
+	},
+	{}
+};
+
+static struct ctl_table crypto_dir_table[] = {
+	{
+		.procname       = "crypto",
+		.mode           = 0555,
+		.child          = crypto_sysctl_table
+	},
+	{}
+};
+
+static struct ctl_table_header *crypto_sysctls;
+
+static void crypto_proc_fips_init(void)
+{
+	crypto_sysctls = register_sysctl_table(crypto_dir_table);
+}
+
+static void crypto_proc_fips_exit(void)
+{
+	unregister_sysctl_table(crypto_sysctls);
+}
+
+static int __init fips_init(void)
+{
+	crypto_proc_fips_init();
+	return 0;
+}
+
+static void __exit fips_exit(void)
+{
+	crypto_proc_fips_exit();
+}
+
+module_init(fips_init);
+module_exit(fips_exit);