1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
/* $Id: /usr/src/linux-1.1.64/include/linux/mtio.h at Tue Jan 10 21:02:51 1995 by root@kai.home$
*
* linux/mtio.h header file for Linux. Written by H. Bergman
*/
#ifndef _LINUX_MTIO_H
#define _LINUX_MTIO_H
#include <linux/ioctl.h>
/*
* Structures and definitions for mag tape io control commands
*/
/* structure for MTIOCTOP - mag tape op command */
struct mtop {
short mt_op; /* operations defined below */
int mt_count; /* how many of them */
};
/* Magnetic Tape operations [Not all operations supported by all drivers]: */
#define MTRESET 0 /* +reset drive in case of problems */
#define MTFSF 1 /* forward space over FileMark,
* position at first record of next file
*/
#define MTBSF 2 /* backward space FileMark (position before FM) */
#define MTFSR 3 /* forward space record */
#define MTBSR 4 /* backward space record */
#define MTWEOF 5 /* write an end-of-file record (mark) */
#define MTREW 6 /* rewind */
#define MTOFFL 7 /* rewind and put the drive offline (eject?) */
#define MTNOP 8 /* no op, set status only (read with MTIOCGET) */
#define MTRETEN 9 /* retension tape */
#define MTBSFM 10 /* +backward space FileMark, position at FM */
#define MTFSFM 11 /* +forward space FileMark, position at FM */
#define MTEOM 12 /* goto end of recorded media (for appending files).
* MTEOM positions after the last FM, ready for
* appending another file.
*/
#define MTERASE 13 /* erase tape -- be careful! */
#define MTRAS1 14 /* run self test 1 (nondestructive) */
#define MTRAS2 15 /* run self test 2 (destructive) */
#define MTRAS3 16 /* reserved for self test 3 */
#define MTSETBLK 20 /* set block length (SCSI) */
#define MTSETDENSITY 21 /* set tape density (SCSI) */
#define MTSEEK 22 /* seek to block (Tandberg, etc.) */
#define MTTELL 23 /* tell block (Tandberg, etc.) */
#define MTSETDRVBUFFER 24 /* set the drive buffering according to SCSI-2 */
/* ordinary buffered operation with code 1 */
#define MTFSS 25 /* space forward over setmarks */
#define MTBSS 26 /* space backward over setmarks */
#define MTWSM 27 /* write setmarks */
/* structure for MTIOCGET - mag tape get status command */
struct mtget {
long mt_type; /* type of magtape device */
long mt_resid; /* residual count: (not sure)
* number of bytes ignored, or
* number of files not skipped, or
* number of records not skipped.
*/
/* the following registers are device dependent */
long mt_dsreg; /* status register */
long mt_gstat; /* generic (device independent) status */
long mt_erreg; /* error register */
/* The next two fields are not always used */
daddr_t mt_fileno; /* number of current file on tape */
daddr_t mt_blkno; /* current block number */
};
/*
* Constants for mt_type. Not all of these are supported,
* and these are not all of the ones that are supported.
*/
#define MT_ISUNKNOWN 0x01
#define MT_ISQIC02 0x02 /* Generic QIC-02 tape streamer */
#define MT_ISWT5150 0x03 /* Wangtek 5150EQ, QIC-150, QIC-02 */
#define MT_ISARCHIVE_5945L2 0x04 /* Archive 5945L-2, QIC-24, QIC-02? */
#define MT_ISCMSJ500 0x05 /* CMS Jumbo 500 (QIC-02?) */
#define MT_ISTDC3610 0x06 /* Tandberg 6310, QIC-24 */
#define MT_ISARCHIVE_VP60I 0x07 /* Archive VP60i, QIC-02 */
#define MT_ISARCHIVE_2150L 0x08 /* Archive Viper 2150L */
#define MT_ISARCHIVE_2060L 0x09 /* Archive Viper 2060L */
#define MT_ISARCHIVESC499 0x0A /* Archive SC-499 QIC-36 controller */
#define MT_ISQIC02_ALL_FEATURES 0x0F /* Generic QIC-02 with all features */
#define MT_ISWT5099EEN24 0x11 /* Wangtek 5099-een24, 60MB, QIC-24 */
#define MT_ISTEAC_MT2ST 0x12 /* Teac MT-2ST 155mb drive, Teac DC-1 card (Wangtek type) */
#define MT_ISEVEREX_FT40A 0x32 /* Everex FT40A (QIC-40) */
#define MT_ISDDS1 0x51 /* DDS device without partitions */
#define MT_ISDDS2 0x52 /* DDS device with partitions */
#define MT_ISSCSI1 0x71 /* Generic ANSI SCSI-1 tape unit */
#define MT_ISSCSI2 0x72 /* Generic ANSI SCSI-2 tape unit */
/* QIC-40/QIC-80 ftape supported drives.
* 20bit vendor ID + 0x800000
*/
#define MT_ISFTAPE_UNKNOWN 0x800000
#define MT_ISCMSDJ10_DJ20 0x800047
#define MT_ISCMSDJ10_DJ20_NEW 0x8011c4
#define MT_ISARCHIVE_5580I 0x800005
#define MT_ISARCHIVE_XL9250I 0x80014a
#define MT_ISARCHIVE_31250Q 0x800146
#define MT_ISINSIGHT_80 0x810005
#define MT_ISCONNER_C250MQT 0x80014c
#define MT_ISWANGTEK_2040F 0x8001c1
#define MT_ISWANGTEK_2080F 0x8001c8
#define MT_ISIOMEGA_250 0x808880
#define MT_ISSUMMIT_SE150 0x800180
#define MT_ISSUMMIT_SE250 0x800181
#define MT_ISESCOM_IDTBU120E 0x800140
struct mt_tape_info {
long t_type; /* device type id (mt_type) */
char *t_name; /* descriptive name */
};
#define MT_TAPE_INFO { \
{MT_ISUNKNOWN, "Unknown type of tape device"}, \
{MT_ISQIC02, "Generic QIC-02 tape streamer"}, \
{MT_ISWT5150, "Wangtek 5150, QIC-150"}, \
{MT_ISARCHIVE_5945L2, "Archive 5945L-2"}, \
{MT_ISCMSJ500, "CMS Jumbo 500"}, \
{MT_ISTDC3610, "Tandberg TDC 3610, QIC-24"}, \
{MT_ISARCHIVE_VP60I, "Archive VP60i, QIC-02"}, \
{MT_ISARCHIVE_2150L, "Archive Viper 2150L"}, \
{MT_ISARCHIVE_2060L, "Archive Viper 2060L"}, \
{MT_ISARCHIVESC499, "Archive SC-499 QIC-36 controller"}, \
{MT_ISQIC02_ALL_FEATURES, "Generic QIC-02 tape, all features"}, \
{MT_ISWT5099EEN24, "Wangtek 5099-een24, 60MB"}, \
{MT_ISTEAC_MT2ST, "Teac MT-2ST 155mb data cassette drive"}, \
{MT_ISEVEREX_FT40A, "Everex FT40A, QIC-40"}, \
{MT_ISSCSI1, "Generic SCSI-1 tape"}, \
{MT_ISSCSI2, "Generic SCSI-2 tape"}, \
{MT_ISFTAPE_UNKNOWN, "Unknown floppy interface tape drive"},\
{MT_ISCMSDJ10_DJ20, "Colorado DJ-10/DJ-20"},\
{MT_ISCMSDJ10_DJ20_NEW, "Colorado DJ-10/DJ-20 (new)"},\
{MT_ISARCHIVE_5580I, "Archive 5580i"},\
{MT_ISARCHIVE_XL9250I, "Archive XL9250i [Conner/Escom]"},\
{MT_ISARCHIVE_31250Q, "Escom/Archive 31250Q"},\
{MT_ISINSIGHT_80, "Insight 80 Mb"},\
{MT_ISCONNER_C250MQT, "Conner C250MQT"},\
{MT_ISWANGTEK_2040F, "Wangtek 3040F"},\
{MT_ISWANGTEK_2080F, "Wangtek 3080F"},\
{MT_ISIOMEGA_250, "Iomega 250"},\
{MT_ISSUMMIT_SE150, "Summit SE 150"},\
{MT_ISSUMMIT_SE250, "Summit SE 250/Mountain FS8000"},\
{MT_ISESCOM_IDTBU120E, "Identity IDTBU120E, Escom?"},\
{0, NULL} \
}
/* structure for MTIOCPOS - mag tape get position command */
struct mtpos {
long mt_blkno; /* current block number */
};
/* mag tape io control commands */
#define MTIOCTOP _IOW('m', 1, struct mtop) /* do a mag tape op */
#define MTIOCGET _IOR('m', 2, struct mtget) /* get tape status */
#define MTIOCPOS _IOR('m', 3, struct mtpos) /* get tape position */
/* The next two are used by the QIC-02 driver for runtime reconfiguration.
* See tpqic02.h for struct mtconfiginfo.
*/
#define MTIOCGETCONFIG _IOR('m', 4, struct mtconfiginfo) /* get tape config */
#define MTIOCSETCONFIG _IOW('m', 5, struct mtconfiginfo) /* set tape config */
/* Generic Mag Tape (device independent) status macros for examining
* mt_gstat -- HP-UX compatible.
* There is room for more generic status bits here, but I don't
* know which of them are reserved. At least three or so should
* be added to make this really useful.
*/
#define GMT_EOF(x) ((x) & 0x80000000)
#define GMT_BOT(x) ((x) & 0x40000000)
#define GMT_EOT(x) ((x) & 0x20000000)
#define GMT_SM(x) ((x) & 0x10000000) /* DDS setmark */
#define GMT_EOD(x) ((x) & 0x08000000) /* DDS EOD */
#define GMT_WR_PROT(x) ((x) & 0x04000000)
/* #define GMT_ ? ((x) & 0x02000000) */
#define GMT_ONLINE(x) ((x) & 0x01000000)
#define GMT_D_6250(x) ((x) & 0x00800000)
#define GMT_D_1600(x) ((x) & 0x00400000)
#define GMT_D_800(x) ((x) & 0x00200000)
/* #define GMT_ ? ((x) & 0x00100000) */
/* #define GMT_ ? ((x) & 0x00080000) */
#define GMT_DR_OPEN(x) ((x) & 0x00040000) /* door open (no tape) */
/* #define GMT_ ? ((x) & 0x00020000) */
#define GMT_IM_REP_EN(x) ((x) & 0x00010000) /* immediate report mode */
/* 16 generic status bits unused */
/* DDS drives have 'setmarks', sort of like filemarks but used to group
* files, rather than blocks. Not used. Not supported.
* I think DDS drives are DAT drives.
*/
/* SCSI-tape specific definitions */
#define MT_ST_BLKSIZE_SHIFT 0
#define MT_ST_BLKSIZE_MASK 0xffffff
#define MT_ST_DENSITY_SHIFT 24
#define MT_ST_DENSITY_MASK 0xff000000
#define MT_ST_SOFTERR_SHIFT 0
#define MT_ST_SOFTERR_MASK 0xffff
#define MT_ST_OPTIONS 0xf0000000
#define MT_ST_BOOLEANS 0x10000000
#define MT_ST_WRITE_THRESHOLD 0x20000000
#define MT_ST_BUFFER_WRITES 0x1
#define MT_ST_ASYNC_WRITES 0x2
#define MT_ST_READ_AHEAD 0x4
#define MT_ST_DEBUGGING 0x8
#define MT_ST_TWO_FM 0x10
#define MT_ST_FAST_MTEOM 0x20
#endif /* _LINUX_MTIO_H */
|
