crypto: proc - Print fips status

As FIPS may disable algorithms it is useful to show their status
in /proc/crypto.

Signed-off-by: Herbert Xu <[email protected]>
Acked-by: Ard Biesheuvel <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>

Author: herbertx

crypto/proc.c

@@ -11,6 +11,7 @@
 #include <linux/atomic.h>
 #include <linux/init.h>
 #include <linux/crypto.h>
+#include <linux/fips.h>
 #include <linux/module.h>	/* for module_name() */
 #include <linux/rwsem.h>
 #include <linux/proc_fs.h>
@@ -48,6 +49,11 @@ static int c_show(struct seq_file *m, void *p)
 	seq_printf(m, "internal     : %s\n",
 		   (alg->cra_flags & CRYPTO_ALG_INTERNAL) ?
 		   "yes" : "no");
+	if (fips_enabled) {
+		seq_printf(m, "fips         : %s\n",
+			   (alg->cra_flags & CRYPTO_ALG_FIPS_INTERNAL) ?
+			   "no" : "yes");
+	}
 
 	if (alg->cra_flags & CRYPTO_ALG_LARVAL) {
 		seq_printf(m, "type         : larval\n");