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
21 /* Tape operations for SVR4 systems. Most of this stuff is based on
22 documentation from http://docsrv.sco.com/cgi-bin/man/man?sdi+7 */
27 /* Uncomment to test on non-SYSV4 systems. */
41 int min_blen, max_blen;
46 gboolean tape_rewind(int fd) {
47 return 0 == ioctl(fd, T_RWD);
50 gboolean tape_fsf(int fd, guint count) {
51 return 0 == ioctl(fd, T_SFF, count);
54 gboolean tape_bsf(int fd, guint count) {
55 return 0 == ioctl(fd, T_SFB, count);
58 gboolean tape_fsr(int fd, guint count) {
59 return 0 == ioctl(fd, T_SBF, count);
62 gboolean tape_bsr(int fd, guint count) {
63 return 0 == ioctl(fd, T_SBB, count);
66 int tape_eod(int fd) {
67 g_assert_not_reached();
71 gboolean tape_weof(int fd, guint8 count) {
72 return 0 == ioctl(fd, T_WRFILEM, count);
75 gboolean tape_setcompression(int fd, gboolean on) {
83 return 0 == ioctl(fd, T_SETCOMP, cmd);
86 TapeCheckResult tape_is_tape_device(int fd) {
87 /* If we can read block information, it's probably a tape device. */
89 if (0 == ioctl(fd, T_RDBLKLEN, &result)) {
90 return TAPE_CHECK_SUCCESS;
92 return TAPE_CHECK_FAILURE;
96 TapeCheckResult tape_is_tape_ready(int fd) {
97 return TAPE_CHECK_UNKNOWN;
100 void tape_device_discover_capabilities(TapeDevice * t_self) {
104 self = DEVICE(t_self);
105 g_return_if_fail(self != NULL);
107 bzero(&val, sizeof(val));
108 g_value_init(&val, FEATURE_SUPPORT_FLAGS_TYPE);
110 g_value_set_flags(&val,
111 FEATURE_STATUS_ENABLED | FEATURE_SURETY_BAD |
112 FEATURE_SOURCE_DEFAULT);
113 device_property_set(self, PROPERTY_FSF, &val);
115 g_value_set_flags(&val,
116 FEATURE_STATUS_ENABLED | FEATURE_SURETY_BAD |
117 FEATURE_SOURCE_DEFAULT);
118 device_property_set(self, PROPERTY_BSF, &val);
120 g_value_set_flags(&val,
121 FEATURE_STATUS_ENABLED | FEATURE_SURETY_BAD |
122 FEATURE_SOURCE_DEFAULT);
123 device_property_set(self, PROPERTY_FSR, &val);
125 g_value_set_flags(&val,
126 FEATURE_STATUS_ENABLED | FEATURE_SURETY_BAD |
127 FEATURE_SOURCE_DEFAULT);
128 device_property_set(self, PROPERTY_BSR, &val);
130 g_value_set_flags(&val,
131 FEATURE_STATUS_DISABLED | FEATURE_SURETY_GOOD |
132 FEATURE_SOURCE_DEFAULT);
133 device_property_set(self, PROPERTY_EOM, &val);
135 g_value_unset_init(&val, G_TYPE_UINT);
136 g_value_set_uint(&val, 2);
137 device_property_set(self, PROPERTY_FINAL_FILEMARKS, &val);