Commit | Line | Data |
---|---|---|
bcf1365c | 1 | /* |
ab567d4c KB |
2 | * Copyright (c) 1980 The Regents of the University of California. |
3 | * All rights reserved. | |
4 | * | |
f15db449 | 5 | * %sccs.include.redist.c% |
bcf1365c DF |
6 | */ |
7 | ||
8 | #ifndef lint | |
9 | char copyright[] = | |
ab567d4c | 10 | "@(#) Copyright (c) 1980 The Regents of the University of California.\n\ |
bcf1365c | 11 | All rights reserved.\n"; |
ab567d4c | 12 | #endif /* not lint */ |
bcf1365c DF |
13 | |
14 | #ifndef lint | |
f15db449 | 15 | static char sccsid[] = "@(#)mt.c 5.4 (Berkeley) %G%"; |
ab567d4c | 16 | #endif /* not lint */ |
bcf1365c | 17 | |
d8c0aff8 | 18 | /* |
209f2457 SL |
19 | * mt -- |
20 | * magnetic tape manipulation program | |
d8c0aff8 | 21 | */ |
d8c0aff8 BJ |
22 | #include <stdio.h> |
23 | #include <ctype.h> | |
24 | #include <sys/types.h> | |
25 | #include <sys/mtio.h> | |
26 | #include <sys/ioctl.h> | |
27 | ||
209f2457 | 28 | #define equal(s1,s2) (strcmp(s1, s2) == 0) |
209f2457 | 29 | |
d8c0aff8 BJ |
30 | struct commands { |
31 | char *c_name; | |
32 | int c_code; | |
fdb20def | 33 | int c_ronly; |
d8c0aff8 | 34 | } com[] = { |
209f2457 SL |
35 | { "weof", MTWEOF, 0 }, |
36 | { "eof", MTWEOF, 0 }, | |
37 | { "fsf", MTFSF, 1 }, | |
38 | { "bsf", MTBSF, 1 }, | |
39 | { "fsr", MTFSR, 1 }, | |
40 | { "bsr", MTBSR, 1 }, | |
41 | { "rewind", MTREW, 1 }, | |
42 | { "offline", MTOFFL, 1 }, | |
43 | { "rewoffl", MTOFFL, 1 }, | |
44 | { "status", MTNOP, 1 }, | |
45 | { 0 } | |
d8c0aff8 BJ |
46 | }; |
47 | ||
48 | int mtfd; | |
49 | struct mtop mt_com; | |
209f2457 | 50 | struct mtget mt_status; |
d8c0aff8 BJ |
51 | char *tape; |
52 | ||
53 | main(argc, argv) | |
209f2457 | 54 | char **argv; |
d8c0aff8 BJ |
55 | { |
56 | char line[80], *getenv(); | |
57 | register char *cp; | |
58 | register struct commands *comp; | |
59 | ||
1c7902fe | 60 | if (argc > 2 && (equal(argv[1], "-t") || equal(argv[1], "-f"))) { |
d8c0aff8 BJ |
61 | argc -= 2; |
62 | tape = argv[2]; | |
63 | argv += 2; | |
64 | } else | |
65 | if ((tape = getenv("TAPE")) == NULL) | |
209f2457 | 66 | tape = DEFTAPE; |
1c7902fe SL |
67 | if (argc < 2) { |
68 | fprintf(stderr, "usage: mt [ -f device ] command [ count ]\n"); | |
69 | exit(1); | |
70 | } | |
d8c0aff8 BJ |
71 | cp = argv[1]; |
72 | for (comp = com; comp->c_name != NULL; comp++) | |
73 | if (strncmp(cp, comp->c_name, strlen(cp)) == 0) | |
74 | break; | |
75 | if (comp->c_name == NULL) { | |
76 | fprintf(stderr, "mt: don't grok \"%s\"\n", cp); | |
77 | exit(1); | |
78 | } | |
fdb20def BJ |
79 | if ((mtfd = open(tape, comp->c_ronly ? 0 : 2)) < 0) { |
80 | perror(tape); | |
81 | exit(1); | |
82 | } | |
209f2457 SL |
83 | if (comp->c_code != MTNOP) { |
84 | mt_com.mt_op = comp->c_code; | |
85 | mt_com.mt_count = (argc > 2 ? atoi(argv[2]) : 1); | |
86 | if (mt_com.mt_count < 0) { | |
87 | fprintf(stderr, "mt: negative repeat count\n"); | |
88 | exit(1); | |
89 | } | |
90 | if (ioctl(mtfd, MTIOCTOP, &mt_com) < 0) { | |
61fc63ff | 91 | fprintf(stderr, "%s %s %d ", tape, comp->c_name, |
209f2457 SL |
92 | mt_com.mt_count); |
93 | perror("failed"); | |
94 | exit(2); | |
95 | } | |
96 | } else { | |
97 | if (ioctl(mtfd, MTIOCGET, (char *)&mt_status) < 0) { | |
98 | perror("mt"); | |
99 | exit(2); | |
100 | } | |
101 | status(&mt_status); | |
102 | } | |
103 | } | |
104 | ||
09868be4 SL |
105 | #ifdef vax |
106 | #include <vaxmba/mtreg.h> | |
107 | #include <vaxmba/htreg.h> | |
108 | ||
109 | #include <vaxuba/utreg.h> | |
110 | #include <vaxuba/tmreg.h> | |
209f2457 | 111 | #undef b_repcnt /* argh */ |
09868be4 SL |
112 | #include <vaxuba/tsreg.h> |
113 | #endif | |
209f2457 | 114 | |
61fc63ff | 115 | #ifdef sun |
fba0261b SL |
116 | #include <sundev/tmreg.h> |
117 | #include <sundev/arreg.h> | |
61fc63ff SL |
118 | #endif |
119 | ||
24ecf073 SL |
120 | #ifdef tahoe |
121 | #include <tahoevba/cyreg.h> | |
122 | #endif | |
123 | ||
209f2457 SL |
124 | struct tape_desc { |
125 | short t_type; /* type of magtape device */ | |
126 | char *t_name; /* printing name */ | |
127 | char *t_dsbits; /* "drive status" register */ | |
128 | char *t_erbits; /* "error" register */ | |
129 | } tapes[] = { | |
09868be4 | 130 | #ifdef vax |
209f2457 SL |
131 | { MT_ISTS, "ts11", 0, TSXS0_BITS }, |
132 | { MT_ISHT, "tm03", HTDS_BITS, HTER_BITS }, | |
133 | { MT_ISTM, "tm11", 0, TMER_BITS }, | |
134 | { MT_ISMT, "tu78", MTDS_BITS, 0 }, | |
135 | { MT_ISUT, "tu45", UTDS_BITS, UTER_BITS }, | |
61fc63ff SL |
136 | #endif |
137 | #ifdef sun | |
138 | { MT_ISCPC, "TapeMaster", TMS_BITS, 0 }, | |
fba0261b | 139 | { MT_ISAR, "Archive", ARCH_CTRL_BITS, ARCH_BITS }, |
24ecf073 SL |
140 | #endif |
141 | #ifdef tahoe | |
142 | { MT_ISCY, "cipher", CYS_BITS, CYCW_BITS }, | |
09868be4 | 143 | #endif |
209f2457 SL |
144 | { 0 } |
145 | }; | |
146 | ||
147 | /* | |
148 | * Interpret the status buffer returned | |
149 | */ | |
150 | status(bp) | |
151 | register struct mtget *bp; | |
152 | { | |
153 | register struct tape_desc *mt; | |
154 | ||
155 | for (mt = tapes; mt->t_type; mt++) | |
156 | if (mt->t_type == bp->mt_type) | |
157 | break; | |
158 | if (mt->t_type == 0) { | |
159 | printf("unknown tape drive type (%d)\n", bp->mt_type); | |
160 | return; | |
161 | } | |
61fc63ff | 162 | printf("%s tape drive, residual=%d\n", mt->t_name, bp->mt_resid); |
209f2457 | 163 | printreg("ds", bp->mt_dsreg, mt->t_dsbits); |
61fc63ff SL |
164 | printreg("\ner", bp->mt_erreg, mt->t_erbits); |
165 | putchar('\n'); | |
209f2457 SL |
166 | } |
167 | ||
168 | /* | |
169 | * Print a register a la the %b format of the kernel's printf | |
170 | */ | |
171 | printreg(s, v, bits) | |
61fc63ff SL |
172 | char *s; |
173 | register char *bits; | |
174 | register unsigned short v; | |
209f2457 SL |
175 | { |
176 | register int i, any = 0; | |
177 | register char c; | |
178 | ||
61fc63ff SL |
179 | if (bits && *bits == 8) |
180 | printf("%s=%o", s, v); | |
181 | else | |
182 | printf("%s=%x", s, v); | |
183 | bits++; | |
209f2457 SL |
184 | if (v && bits) { |
185 | putchar('<'); | |
186 | while (i = *bits++) { | |
187 | if (v & (1 << (i-1))) { | |
188 | if (any) | |
189 | putchar(','); | |
190 | any = 1; | |
191 | for (; (c = *bits) > 32; bits++) | |
192 | putchar(c); | |
193 | } else | |
194 | for (; *bits > 32; bits++) | |
195 | ; | |
196 | } | |
61fc63ff | 197 | putchar('>'); |
d8c0aff8 BJ |
198 | } |
199 | } |