2 * Copyright (c) 2005-2008 Zmanda Inc. All Rights Reserved.
4 * This library is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU Lesser General Public License version 2.1 as
6 * published by the Free Software Foundation.
8 * This library is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
10 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
11 * License for more details.
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this library; if not, write to the Free Software Foundation,
15 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
17 * Contact information: Zmanda Inc., 465 S Mathlida Ave, Suite 300
18 * Sunnyvale, CA 94086, USA, or: http://www.zmanda.com
24 #include "tape-device.h"
27 #ifdef HAVE_SYS_TAPE_H
28 # include <sys/tape.h>
30 #ifdef HAVE_SYS_MTIO_H
31 # include <sys/mtio.h>
34 /* This file declares functions which are implemented in each of tape-*.c. The
35 * appropriate C file is selected at configure time. */
37 /* Real Operations (always return FALSE if not implemented) */
38 gboolean tape_rewind(int fd);
39 gboolean tape_fsf(int fd, guint count);
40 gboolean tape_bsf(int fd, guint count);
41 gboolean tape_fsr(int fd, guint count);
42 gboolean tape_bsr(int fd, guint count);
44 /* Sets attributes of the device to indicate which of the above operations
45 * are available in this device. */
46 void tape_device_detect_capabilities(TapeDevice * self);
48 /* Returns tape position file number, or one of these: */
49 #define TAPE_OP_ERROR -1
50 #define TAPE_POSITION_UNKNOWN -2
51 gint tape_eod(int fd);
53 gboolean tape_weof(int fd, guint8 count);
54 gboolean tape_setcompression(int fd, gboolean on);
56 DeviceStatusFlags tape_is_tape_device(int fd);
57 DeviceStatusFlags tape_is_ready(int fd, TapeDevice *t_self);