/
ftape.h
220 lines (203 loc) · 8.46 KB
/
ftape.h
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
/*
* Copyright (c) 1993 Steve Gerakines
*
* This is freely redistributable software. You may do anything you
* wish with it, so long as the above notice stays intact.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* ftape.h - QIC-40/80 floppy tape driver functions
* 10/30/93 v0.3
* Set up constant values. Added support to get hardware info.
*
* 08/07/93 v0.2
* Header file that sits in /sys/sys, first revision. Support for
* ioctl functions added.
*/
#ifndef _SYS_FTAPE_H_
#define _SYS_FTAPE_H_
#include <sys/ioccom.h>
/* Miscellaneous constant values */
#define QCV_BLKSIZE 1024 /* Size of a block */
#define QCV_SEGSIZE 32768 /* Size of a segment */
#define QCV_BLKSEG 32 /* Blocks per segment */
#define QCV_ECCSIZE 3072 /* Bytes ecc eats */
#define QCV_ECCBLKS 3 /* Blocks ecc eats */
#define QCV_NFMT 3 /* Number of tape formats */
#define QCV_NLEN 5 /* Number of tape lengths */
#define QCV_HDRMAGIC 0xaa55aa55 /* Magic for header segment */
#define QCV_FSMAGIC 0x33cc33cc /* Magic for fileset */
#define UCHAR unsigned char
#define USHORT unsigned short
#define ULONG unsigned long
/* Segment request structure. */
typedef struct qic_segment {
ULONG sg_trk; /* Track number */
ULONG sg_seg; /* Segment number */
ULONG sg_crcmap; /* Returned bitmap of CRC errors */
ULONG sg_badmap; /* Map of known bad sectors */
UCHAR *sg_data; /* Segment w/bad blocks discarded */
} QIC_Segment;
/* Tape geometry structure. */
typedef struct qic_geom {
int g_fmtno; /* Format number */
int g_lenno; /* Length number */
char *g_fmtdesc; /* Format text description */
char *g_lendesc; /* Length text description */
int g_trktape; /* Number of tracks per tape */
int g_segtrk; /* Number of segments per track */
int g_blktrk; /* Number of blocks per track */
int g_fdtrk; /* Floppy disk tracks */
int g_fdside; /* Floppy disk sectors/side */
} QIC_Geom;
/* Tape hardware info */
typedef struct qic_hwinfo {
int hw_make; /* 10-bit drive make */
int hw_model; /* 6-bit model */
int hw_rombeta; /* TRUE if beta rom */
int hw_romid; /* 8-bit rom ID */
} QIC_HWInfo;
/* Various ioctl() routines. */
#define QIOREAD _IOWR('q', 1, QIC_Segment) /* Read segment */
#define QIOWRITE _IOW('q', 2, QIC_Segment) /* Write segment */
#define QIOREWIND _IO('q', 3) /* Rewind tape */
#define QIOBOT _IO('q', 4) /* Seek beg of trk */
#define QIOEOT _IO('q', 5) /* Seek end of trk */
#define QIOTRACK _IOW('q', 6, int) /* Seek to track */
#define QIOSEEKLP _IO('q', 7) /* Seek load point */
#define QIOFORWARD _IO('q', 8) /* Move tape fwd */
#define QIOSTOP _IO('q', 9) /* Stop tape */
#define QIOPRIMARY _IO('q', 10) /* Primary mode */
#define QIOFORMAT _IO('q', 11) /* Format mode */
#define QIOVERIFY _IO('q', 12) /* Verify mode */
#define QIOWRREF _IO('q', 13) /* Write ref burst */
#define QIOSTATUS _IOR('q', 14, int) /* Get drive status */
#define QIOCONFIG _IOR('q', 15, int) /* Get tape config */
#define QIOGEOM _IOR('q', 16, QIC_Geom) /* Get geometry */
#define QIOHWINFO _IOR('q', 17, QIC_HWInfo) /* Get hardware inf */
#define QIOSENDHDR _IOW('q', 18, QIC_Segment) /* Send header */
#define QIORECVHDR _IOWR('q', 19, QIC_Segment) /* Receive header */
/* QIC drive status bits. */
#define QS_READY 0x01 /* Drive ready */
#define QS_ERROR 0x02 /* Error detected */
#define QS_CART 0x04 /* Tape in drive */
#define QS_RDONLY 0x08 /* Write protect */
#define QS_NEWCART 0x10 /* New tape inserted */
#define QS_FMTOK 0x20 /* Tape is formatted */
#define QS_BOT 0x40 /* Tape at beginning */
#define QS_EOT 0x80 /* Tape at end */
/* QIC configuration bits. */
#define QCF_RTMASK 0x18 /* Rate mask */
#define QCF_RT250 0x00 /* 250K bps */
#define QCF_RT2 0x01 /* 2M bps */
#define QCF_RT500 0x02 /* 500K bps */
#define QCF_RT1 0x03 /* 1M bps */
#define QCF_EXTRA 0x40 /* Extra length tape */
#define QCF_QIC80 0x80 /* QIC-80 detected */
/* QIC tape status bits. */
#define QTS_FMMASK 0x0f /* Tape format mask */
#define QTS_LNMASK 0xf0 /* Tape length mask */
#define QTS_QIC40 0x01 /* QIC-40 tape */
#define QTS_QIC80 0x02 /* QIC-80 tape */
#define QTS_QIC500 0x03 /* QIC-500 tape */
#define QTS_LEN1 0x10 /* 205 ft/550 Oe */
#define QTS_LEN2 0x20 /* 307.5 ft/550 Oe */
#define QTS_LEN3 0x30 /* 295 ft/900 Oe */
#define QTS_LEN4 0x40 /* 1100 ft/550 Oe */
#define QTS_LEN5 0x50 /* 1100 ft/900 Oe */
/* Tape header segment structure */
typedef struct qic_header {
ULONG qh_sig; /* Header signature 0x55aa55aa */
UCHAR qh_fmtc; /* Format code */
UCHAR qh_unused1;
USHORT qh_hseg; /* Header segment number */
USHORT qh_dhseg; /* Duplicate header segment number */
USHORT qh_first; /* First logical area data segment */
USHORT qh_last; /* Last logical area data segment */
UCHAR qh_fmtdate[4]; /* Most recent format date */
UCHAR qh_chgdate[4]; /* Most recent tape change date */
UCHAR qh_unused2[2];
USHORT qh_tstrk; /* Tape segments per track */
UCHAR qh_ttcart; /* Tape tracks per cartridge */
UCHAR qh_mfside; /* Max floppy sides */
UCHAR qh_mftrk; /* Max floppy tracks */
UCHAR qh_mfsect; /* Max floppy sector */
char qh_tname[44]; /* Tape name (ASCII, space filled) */
UCHAR qh_namdate[4]; /* Date tape was given a name */
USHORT qh_cprseg; /* Compression map start segment */
UCHAR qh_unused3[48];
UCHAR qh_refmt; /* Re-format flag */
UCHAR qh_unused4;
UCHAR qh_iocount[4]; /* I/O count for life of tape */
UCHAR qh_unused5[4];
UCHAR qh_ffmtdate[4]; /* Date first formatted */
USHORT qh_fmtcount; /* Number of times formatted */
USHORT qh_badsect; /* Failed sector count */
char qh_mfname[44]; /* Manufacturer name if pre-formatted */
char qh_mflot[44]; /* Manufacturer lot code */
UCHAR qh_unused6[22];
ULONG qh_fail[448]; /* Failed sector log */
ULONG qh_badmap[6912]; /* Bad sector map */
} QIC_Header;
/* Volume table of contents entry structure. */
typedef struct qic_vtbl {
UCHAR vt_sig[4]; /* Signature "VTBL" if entry used */
USHORT vt_first; /* Starting segment */
USHORT vt_last; /* Ending segment */
char vt_vname[44]; /* Set name */
UCHAR vt_savdate[4]; /* Date saved */
UCHAR vt_flags; /* Volume flags */
UCHAR vt_multi; /* Multi cartridge sequence no. */
UCHAR vt_vext[26]; /* Extension data */
char vt_passwd[8]; /* Password for volume */
UCHAR vt_dirsize[4]; /* Directory section size */
UCHAR vt_dtasize[4]; /* Data section size */
USHORT vt_osver; /* Operating System version */
char vt_label[16]; /* Source drive label */
UCHAR vt_ldev; /* Logical device origin */
UCHAR vt_pdev; /* Physical device origin */
UCHAR vt_cprtype; /* Compression type */
UCHAR vt_ostype; /* Operating System type */
UCHAR vt_ostype2; /* Always zero ?? */
UCHAR vt_isocpr; /* ISO compression type */
UCHAR vt_unused1[4];
} QIC_VTbl;
/* Data compression map structure. */
typedef struct qic_dcmap {
UCHAR dc_sig[4]; /* Signature "DCMS" */
USHORT dc_mlen; /* Total map length */
UCHAR dc_unused1[6];
ULONG dc_offset[7421]; /* Byte offsets to segments */
} QIC_DCMap;
/* System specific file set structures - Unix */
typedef struct qic_unix_set {
UCHAR fsu_perm; /* Permissions */
UCHAR fsu_attr2; /* More attributes */
UCHAR fsu_ctime[4]; /* Creation time */
UCHAR fsu_atime[4]; /* Last access time */
UCHAR fsu_inode[4]; /* i-node number */
UCHAR fsu_user[4]; /* User number */
UCHAR fsu_group[4]; /* Group number */
UCHAR fsu_major; /* Major device number */
UCHAR fsu_minor; /* Minor device number */
UCHAR fsu_nsize; /* Name size */
UCHAR fsu_name; /* Entry name starts here */
} QIC_Unix_Set;
/* File set structure */
typedef struct qic_fileset {
UCHAR fs_size; /* Size of fixed + system size - 1 */
UCHAR fs_attr; /* Attributes */
UCHAR fs_mtime; /* Modification time */
UCHAR fs_dsize[4]; /* Data size */
} QIC_FileSet;
#endif /* !_SYS_FTAPE_H_ */