--- /dev/null
+/* Copyright (C) 1999-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _SCSI_IOCTL_H
+#define _SCSI_IOCTL_H
+
+/* IOCTLs for SCSI. */
+#define SCSI_IOCTL_SEND_COMMAND 1 /* Send a command to the SCSI host. */
+#define SCSI_IOCTL_TEST_UNIT_READY 2 /* Test if unit is ready. */
+#define SCSI_IOCTL_BENCHMARK_COMMAND 3
+#define SCSI_IOCTL_SYNC 4 /* Request synchronous parameters. */
+#define SCSI_IOCTL_START_UNIT 5
+#define SCSI_IOCTL_STOP_UNIT 6
+#define SCSI_IOCTL_DOORLOCK 0x5380 /* Lock the eject mechanism. */
+#define SCSI_IOCTL_DOORUNLOCK 0x5381 /* Unlock the mechanism. */
+
+#endif