diff --git a/include/linux/ata.h b/include/linux/ata.h
index c7a353825450a950a2f53f93774ef4c5bce934a0..40d150ad7e0714d6bf00dd62a503c3734c0b28d9 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -448,6 +448,8 @@ enum {
 	ATA_SET_MAX_LOCK	= 0x02,
 	ATA_SET_MAX_UNLOCK	= 0x03,
 	ATA_SET_MAX_FREEZE_LOCK	= 0x04,
+	ATA_SET_MAX_PASSWD_DMA	= 0x05,
+	ATA_SET_MAX_UNLOCK_DMA	= 0x06,
 
 	/* feature values for DEVICE CONFIGURATION OVERLAY */
 	ATA_DCO_RESTORE		= 0xC0,