2 * Copyright (c) 2005 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., 505 N Mathlida Ave, Suite 120
18 * Sunnyvale, CA 94085, 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 /* Return codes for tape_eod */
35 #define TAPE_OP_ERROR -1
36 #define TAPE_POSITION_UNKNOWN -2
38 /* Real Operations (always return FALSE if not implemented). These are
39 * implemented in one of tape-{uware,aix,xenix,posix}.c, depending on
41 gboolean tape_rewind(int fd);
42 gboolean tape_fsf(int fd, guint count);
43 gboolean tape_bsf(int fd, guint count);
44 gboolean tape_fsr(int fd, guint count);
45 gboolean tape_bsr(int fd, guint count);
46 /* Returns tape position file number, or one of the return codes above. */
47 gint tape_eod(int fd);
48 gboolean tape_weof(int fd, guint8 count);
49 gboolean tape_setcompression(int fd, gboolean on);
56 TapeCheckResult tape_is_tape_device(int fd);
57 TapeCheckResult tape_is_ready(int fd);
59 /* Also implemented in above files. Sets properties on the device. */
60 void tape_device_discover_capabilities(TapeDevice * self);