+
+ /* capability related */
+ int mds_capa_stat; /* 1: on, 0: off */
+ struct crypto_tfm *mds_capa_hmac;
+ unsigned long mds_capa_timeout; /* sec */
+
+ struct mds_capa_key mds_capa_keys[2]; /* red & black key */
+ int mds_capa_key_idx; /* the red key index */
+ struct file *mds_capa_keys_filp;
+ unsigned long mds_capa_key_timeout; /* sec */