1 /*
2 * Copyright (c) 1980, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#) Copyright (c) 1980, 1993 The Regents of the University of California. All rights reserved.
30 * @(#)mt.c 8.2 (Berkeley) 5/4/95
31 * $FreeBSD: src/usr.bin/mt/mt.c,v 1.26.2.3 2002/11/08 11:35:57 joerg Exp $
32 */
33
34 /*
35 * mt --
36 * magnetic tape manipulation program
37 */
38 #include <sys/types.h>
39 #include <sys/ioctl.h>
40 #include <sys/mtio.h>
41
42 #include <ctype.h>
43 #include <err.h>
44 #include <fcntl.h>
45 #include <stdio.h>
46 #include <stdlib.h>
47 #include <string.h>
48 #include <unistd.h>
49
50 /* the appropriate sections of <sys/mtio.h> are also #ifdef'd for FreeBSD */
51 #if defined(__DragonFly__)
52 /* c_flags */
53 #define NEED_2ARGS 0x01
54 #define ZERO_ALLOWED 0x02
55 #define IS_DENSITY 0x04
56 #define DISABLE_THIS 0x08
57 #define IS_COMP 0x10
58 #endif /* defined(__DragonFly__) */
59
60 #ifndef TRUE
61 #define TRUE 1
62 #endif
63 #ifndef FALSE
64 #define FALSE 0
65 #endif
66
67 static struct commands {
68 char *c_name;
69 u_long c_code;
70 int c_ronly;
71 #if defined(__DragonFly__)
72 int c_flags;
73 #endif /* defined(__DragonFly__) */
74 } com[] = {
75 { "bsf", MTBSF, 1 },
76 { "bsr", MTBSR, 1 },
77 #if defined(__DragonFly__)
78 /* XXX FreeBSD considered "eof" dangerous, since it's being
79 confused with "eom" (and is an alias for "weof" anyway) */
80 { "eof", MTWEOF, 0, DISABLE_THIS },
81 #else
82 { "eof", MTWEOF, 0 },
83 #endif
84 { "fsf", MTFSF, 1 },
85 { "fsr", MTFSR, 1 },
86 { "offline", MTOFFL, 1 },
87 { "rewind", MTREW, 1 },
88 { "rewoffl", MTOFFL, 1 },
89 { "status", MTNOP, 1 },
90 #if defined(__DragonFly__)
91 { "weof", MTWEOF, 0, ZERO_ALLOWED },
92 #else
93 { "weof", MTWEOF, 0 },
94 #endif
95 #if defined(__DragonFly__)
96 { "erase", MTERASE, 0, ZERO_ALLOWED},
97 { "blocksize", MTSETBSIZ, 0, NEED_2ARGS|ZERO_ALLOWED },
98 { "density", MTSETDNSTY, 0, NEED_2ARGS|ZERO_ALLOWED|IS_DENSITY },
99 { "eom", MTEOD, 1 },
100 { "eod", MTEOD, 1 },
101 { "smk", MTWSS, 0 },
102 { "wss", MTWSS, 0 },
103 { "fss", MTFSS, 1 },
104 { "bss", MTBSS, 1 },
105 { "comp", MTCOMP, 0, NEED_2ARGS|ZERO_ALLOWED|IS_COMP },
106 { "retension", MTRETENS, 1 },
107 { "rdhpos", MTIOCRDHPOS, 0 },
108 { "rdspos", MTIOCRDSPOS, 0 },
109 { "sethpos", MTIOCHLOCATE, 0, NEED_2ARGS|ZERO_ALLOWED },
110 { "setspos", MTIOCSLOCATE, 0, NEED_2ARGS|ZERO_ALLOWED },
111 { "errstat", MTIOCERRSTAT, 0 },
112 { "setmodel", MTIOCSETEOTMODEL, 0, NEED_2ARGS|ZERO_ALLOWED },
113 { "seteotmodel", MTIOCSETEOTMODEL, 0, NEED_2ARGS|ZERO_ALLOWED },
114 { "getmodel", MTIOCGETEOTMODEL },
115 { "geteotmodel", MTIOCGETEOTMODEL },
116 #endif /* defined(__DragonFly__) */
117 { NULL }
118 };
119
120 static void printreg(char *, u_int, char *);
121 static void status(struct mtget *);
122 static void usage(void) __dead2;
123 #if defined (__DragonFly__)
124 static void st_status(struct mtget *);
125 static int stringtodens(const char *s);
126 static const char *denstostring(int d);
127 static int denstobp(int d, int bpi);
128 static u_int32_t stringtocomp(const char *s);
129 static const char *comptostring(u_int32_t comp);
130 static void warn_eof(void) __dead2;
131 #endif /* defined (__DragonFly__) */
132
133 int
main(int argc,char ** argv)134 main(int argc, char **argv)
135 {
136 struct commands *comp;
137 struct mtget mt_status;
138 struct mtop mt_com;
139 int ch, len, mtfd;
140 char *p, *tape;
141
142 if ((tape = getenv("TAPE")) == NULL)
143 tape = DEFTAPE;
144
145 while ((ch = getopt(argc, argv, "f:t:")) != -1)
146 switch(ch) {
147 case 'f':
148 case 't':
149 tape = optarg;
150 break;
151 case '?':
152 default:
153 usage();
154 }
155 argc -= optind;
156 argv += optind;
157
158 if (argc < 1 || argc > 2)
159 usage();
160
161 len = strlen(p = *argv++);
162 for (comp = com;; comp++) {
163 if (comp->c_name == NULL)
164 errx(1, "%s: unknown command", p);
165 if (strncmp(p, comp->c_name, len) == 0)
166 break;
167 }
168 #if defined(__DragonFly__)
169 if((comp->c_flags & NEED_2ARGS) && argc != 2)
170 usage();
171 if(comp->c_flags & DISABLE_THIS) {
172 warn_eof();
173 }
174 #endif /* defined(__DragonFly__) */
175 if ((mtfd = open(tape, comp->c_ronly ? O_RDONLY : O_RDWR)) < 0)
176 err(1, "%s", tape);
177 if (comp->c_code != MTNOP) {
178 mt_com.mt_op = comp->c_code;
179 if (*argv) {
180 #if defined (__DragonFly__)
181 if (!isdigit(**argv) &&
182 (comp->c_flags & IS_DENSITY)) {
183 const char *dcanon;
184 mt_com.mt_count = stringtodens(*argv);
185 if (mt_com.mt_count == 0)
186 errx(1, "%s: unknown density", *argv);
187 dcanon = denstostring(mt_com.mt_count);
188 if (strcmp(dcanon, *argv) != 0)
189 printf(
190 "Using \"%s\" as an alias for %s\n",
191 *argv, dcanon);
192 p = "";
193 } else if (!isdigit(**argv) &&
194 (comp->c_flags & IS_COMP)) {
195
196 mt_com.mt_count = stringtocomp(*argv);
197 if ((u_int32_t)mt_com.mt_count == 0xf0f0f0f0)
198 errx(1, "%s: unknown compression",
199 *argv);
200 p = "";
201 } else
202 /* allow for hex numbers; useful for density */
203 mt_com.mt_count = strtol(*argv, &p, 0);
204 #else
205 mt_com.mt_count = strtol(*argv, &p, 10);
206 #endif /* defined(__DragonFly__) */
207 if ((mt_com.mt_count <=
208 #if defined (__DragonFly__)
209 ((comp->c_flags & ZERO_ALLOWED)? -1: 0)
210 && ((comp->c_flags & IS_COMP) == 0)
211 #else
212 0
213 #endif /* defined (__DragonFly__) */
214 ) || *p)
215 errx(1, "%s: illegal count", *argv);
216 }
217 else
218 mt_com.mt_count = 1;
219 #if defined(__DragonFly__)
220 switch (comp->c_code) {
221 case MTIOCERRSTAT:
222 {
223 int i;
224 union mterrstat umn;
225 struct scsi_tape_errors *s = &umn.scsi_errstat;
226
227 if (ioctl(mtfd, comp->c_code, (caddr_t)&umn) < 0)
228 err(2, "%s", tape);
229 (void)printf("Last I/O Residual: %u\n", s->io_resid);
230 (void)printf(" Last I/O Command:");
231 for (i = 0; i < sizeof (s->io_cdb); i++)
232 (void)printf(" %02X", s->io_cdb[i]);
233 (void)printf("\n");
234 (void)printf(" Last I/O Sense:\n\n\t");
235 for (i = 0; i < sizeof (s->io_sense); i++) {
236 (void)printf(" %02X", s->io_sense[i]);
237 if (((i + 1) & 0xf) == 0) {
238 (void)printf("\n\t");
239 }
240 }
241 (void)printf("\n");
242 (void)printf("Last Control Residual: %u\n",
243 s->ctl_resid);
244 (void)printf(" Last Control Command:");
245 for (i = 0; i < sizeof (s->ctl_cdb); i++)
246 (void)printf(" %02X", s->ctl_cdb[i]);
247 (void)printf("\n");
248 (void)printf(" Last Control Sense:\n\n\t");
249 for (i = 0; i < sizeof (s->ctl_sense); i++) {
250 (void)printf(" %02X", s->ctl_sense[i]);
251 if (((i + 1) & 0xf) == 0) {
252 (void)printf("\n\t");
253 }
254 }
255 (void)printf("\n\n");
256 exit(0);
257 /* NOTREACHED */
258 }
259 case MTIOCRDHPOS:
260 case MTIOCRDSPOS:
261 {
262 u_int32_t block;
263 if (ioctl(mtfd, comp->c_code, (caddr_t)&block) < 0)
264 err(2, "%s", tape);
265 (void)printf("%s: %s block location %u\n", tape,
266 (comp->c_code == MTIOCRDHPOS)? "hardware" :
267 "logical", block);
268 exit(0);
269 /* NOTREACHED */
270 }
271 case MTIOCSLOCATE:
272 case MTIOCHLOCATE:
273 {
274 u_int32_t block = (u_int32_t)mt_com.mt_count;
275 if (ioctl(mtfd, comp->c_code, (caddr_t)&block) < 0)
276 err(2, "%s", tape);
277 exit(0);
278 /* NOTREACHED */
279 }
280 case MTIOCGETEOTMODEL:
281 {
282 u_int32_t om;
283 if (ioctl(mtfd, MTIOCGETEOTMODEL, (caddr_t)&om) < 0)
284 err(2, "%s", tape);
285 (void)printf("%s: the model is %u filemar%s at EOT\n",
286 tape, om, (om > 1)? "ks" : "k");
287 exit(0);
288 /* NOTREACHED */
289 }
290 case MTIOCSETEOTMODEL:
291 {
292 u_int32_t om, nm = (u_int32_t)mt_com.mt_count;
293 if (ioctl(mtfd, MTIOCGETEOTMODEL, (caddr_t)&om) < 0)
294 err(2, "%s", tape);
295 if (ioctl(mtfd, comp->c_code, (caddr_t)&nm) < 0)
296 err(2, "%s", tape);
297 (void)printf("%s: old model was %u filemar%s at EOT\n",
298 tape, om, (om > 1)? "ks" : "k");
299 (void)printf("%s: new model is %u filemar%s at EOT\n",
300 tape, nm, (nm > 1)? "ks" : "k");
301 exit(0);
302 /* NOTREACHED */
303 }
304 default:
305 break;
306 }
307 #endif
308 if (ioctl(mtfd, MTIOCTOP, &mt_com) < 0)
309 err(1, "%s: %s", tape, comp->c_name);
310 } else {
311 if (ioctl(mtfd, MTIOCGET, &mt_status) < 0)
312 err(1, NULL);
313 status(&mt_status);
314 }
315 exit(0);
316 /* NOTREACHED */
317 }
318
319 #ifdef sun
320 #include <sundev/tmreg.h>
321 #include <sundev/arreg.h>
322 #endif
323
324 static struct tape_desc {
325 short t_type; /* type of magtape device */
326 char *t_name; /* printing name */
327 char *t_dsbits; /* "drive status" register */
328 char *t_erbits; /* "error" register */
329 } tapes[] = {
330 #ifdef sun
331 { MT_ISCPC, "TapeMaster", TMS_BITS, 0 },
332 { MT_ISAR, "Archive", ARCH_CTRL_BITS, ARCH_BITS },
333 #endif
334 #if defined (__DragonFly__)
335 /*
336 * XXX This is weird. The st driver reports the tape drive
337 * as 0x7 (MT_ISAR - Sun/Archive compatible); the wt driver
338 * either reports MT_ISVIPER1 for an Archive tape, or 0x11
339 * (MT_ISMFOUR) for other tapes.
340 * XXX for the wt driver, rely on it behaving like a "standard"
341 * magtape driver.
342 */
343 { MT_ISAR, "SCSI tape drive", 0, 0 },
344 #endif /* defined (__DragonFly__) */
345 { 0 }
346 };
347
348 /*
349 * Interpret the status buffer returned
350 */
351 static void
status(struct mtget * bp)352 status(struct mtget *bp)
353 {
354 struct tape_desc *mt;
355
356 for (mt = tapes;; mt++) {
357 if (mt->t_type == 0) {
358 (void)printf("%d: unknown tape drive type\n",
359 bp->mt_type);
360 return;
361 }
362 if (mt->t_type == bp->mt_type)
363 break;
364 }
365 #if defined (__DragonFly__)
366 if(mt->t_type == MT_ISAR)
367 st_status(bp);
368 else {
369 #endif /* defined (__DragonFly__) */
370 (void)printf("%s tape drive, residual=%d\n", mt->t_name, bp->mt_resid);
371 printreg("ds", (unsigned short)bp->mt_dsreg, mt->t_dsbits);
372 printreg("\ner", (unsigned short)bp->mt_erreg, mt->t_erbits);
373 (void)putchar('\n');
374 #if defined (__DragonFly__)
375 }
376 #endif /* defined (__DragonFly__) */
377 }
378
379 /*
380 * Print a register a la the %b format of the kernel's printf.
381 */
382 static void
printreg(char * s,u_int v,char * bits)383 printreg(char *s, u_int v, char *bits)
384 {
385 int i, any = 0;
386 char c;
387
388 if (bits && *bits == 8)
389 printf("%s=%o", s, v);
390 else
391 printf("%s=%x", s, v);
392 if (!bits)
393 return;
394 bits++;
395 if (v && bits) {
396 putchar('<');
397 while ((i = *bits++)) {
398 if (v & (1 << (i-1))) {
399 if (any)
400 putchar(',');
401 any = 1;
402 for (; (c = *bits) > 32; bits++)
403 putchar(c);
404 } else
405 for (; *bits > 32; bits++)
406 ;
407 }
408 putchar('>');
409 }
410 }
411
412 static void
usage(void)413 usage(void)
414 {
415 (void)fprintf(stderr, "usage: mt [-f device] command [ count ]\n");
416 exit(1);
417 }
418
419 #if defined (__DragonFly__)
420
421 static struct densities {
422 int dens;
423 int bpmm;
424 int bpi;
425 const char *name;
426 } dens[] = {
427 /*
428 * Taken from T10 Project 997D
429 * SCSI-3 Stream Device Commands (SSC)
430 * Revision 11, 4-Nov-97
431 */
432 /*Num. bpmm bpi Reference */
433 { 0x1, 32, 800, "X3.22-1983" },
434 { 0x2, 63, 1600, "X3.39-1986" },
435 { 0x3, 246, 6250, "X3.54-1986" },
436 { 0x5, 315, 8000, "X3.136-1986" },
437 { 0x6, 126, 3200, "X3.157-1987" },
438 { 0x7, 252, 6400, "X3.116-1986" },
439 { 0x8, 315, 8000, "X3.158-1987" },
440 { 0x9, 491, 37871, "X3.180" },
441 { 0xA, 262, 6667, "X3B5/86-199" },
442 { 0xB, 63, 1600, "X3.56-1986" },
443 { 0xC, 500, 12690, "HI-TC1" },
444 { 0xD, 999, 25380, "HI-TC2" },
445 { 0xF, 394, 10000, "QIC-120" },
446 { 0x10, 394, 10000, "QIC-150" },
447 { 0x11, 630, 16000, "QIC-320" },
448 { 0x12, 2034, 51667, "QIC-1350" },
449 { 0x13, 2400, 61000, "X3B5/88-185A" },
450 { 0x14, 1703, 43245, "X3.202-1991" },
451 { 0x15, 1789, 45434, "ECMA TC17" },
452 { 0x16, 394, 10000, "X3.193-1990" },
453 { 0x17, 1673, 42500, "X3B5/91-174" },
454 { 0x18, 1673, 42500, "X3B5/92-50" },
455 { 0x19, 2460, 62500, "DLTapeIII" },
456 { 0x1A, 3214, 81633, "DLTapeIV(20GB)" },
457 { 0x1B, 3383, 85937, "DLTapeIV(35GB)" },
458 { 0x1C, 1654, 42000, "QIC-385M" },
459 { 0x1D, 1512, 38400, "QIC-410M" },
460 { 0x1E, 1385, 36000, "QIC-1000C" },
461 { 0x1F, 2666, 67733, "QIC-2100C" },
462 { 0x20, 2666, 67733, "QIC-6GB(M)" },
463 { 0x21, 2666, 67733, "QIC-20GB(C)" },
464 { 0x22, 1600, 40640, "QIC-2GB(C)" },
465 { 0x23, 2666, 67733, "QIC-875M" },
466 { 0x24, 2400, 61000, "DDS-2" },
467 { 0x25, 3816, 97000, "DDS-3" },
468 { 0x26, 3816, 97000, "DDS-4" },
469 { 0x27, 3056, 77611, "Mammoth" },
470 { 0x28, 1491, 37871, "X3.224" },
471 { 0x41, 3868, 98250, "DLTapeIV(40GB)" },
472 { 0x48, 5236, 133000, "SDLTapeI(110)" },
473 { 0x49, 7598, 193000, "SDLTapeI(160)" },
474 { 0, 0, 0, NULL }
475 };
476
477 static struct compression_types {
478 u_int32_t comp_number;
479 const char *name;
480 } comp_types[] = {
481 { 0x00, "none" },
482 { 0x00, "off" },
483 { 0x10, "IDRC" },
484 { 0x20, "DCLZ" },
485 { 0xffffffff, "enable" },
486 { 0xffffffff, "on" },
487 { 0xf0f0f0f0, NULL}
488 };
489
490 static const char *
denstostring(int d)491 denstostring(int d)
492 {
493 static char buf[20];
494 struct densities *sd;
495
496 /* densities 0 and 0x7f are handled as special cases */
497 if (d == 0)
498 return "default";
499 if (d == 0x7f)
500 return "same";
501 for (sd = dens; sd->dens; sd++)
502 if (sd->dens == d)
503 break;
504 if (sd->dens == 0)
505 sprintf(buf, "0x%02x", d);
506 else
507 sprintf(buf, "0x%02x:%s", d, sd->name);
508 return buf;
509 }
510
511 /*
512 * Given a specific density number, return either the bits per inch or bits
513 * per millimeter for the given density.
514 */
515 static int
denstobp(int d,int bpi)516 denstobp(int d, int bpi)
517 {
518 struct densities *sd;
519
520 for (sd = dens; sd->dens; sd++)
521 if (sd->dens == d)
522 break;
523 if (sd->dens == 0)
524 return(0);
525 else {
526 if (bpi)
527 return(sd->bpi);
528 else
529 return(sd->bpmm);
530 }
531 }
532
533 static int
stringtodens(const char * s)534 stringtodens(const char *s)
535 {
536 struct densities *sd;
537 size_t l = strlen(s);
538
539 for (sd = dens; sd->dens; sd++)
540 if (strncasecmp(sd->name, s, l) == 0)
541 break;
542 return sd->dens;
543 }
544
545
546 static const char *
getblksiz(int bs)547 getblksiz(int bs)
548 {
549 static char buf[25];
550 if (bs == 0)
551 return "variable";
552 else {
553 sprintf(buf, "%d bytes", bs);
554 return buf;
555 }
556 }
557
558 static const char *
comptostring(u_int32_t comp)559 comptostring(u_int32_t comp)
560 {
561 static char buf[20];
562 struct compression_types *ct;
563
564 if (comp == MT_COMP_DISABLED)
565 return "disabled";
566 else if (comp == MT_COMP_UNSUPP)
567 return "unsupported";
568
569 for (ct = comp_types; ct->name; ct++)
570 if (ct->comp_number == comp)
571 break;
572
573 if (ct->comp_number == 0xf0f0f0f0) {
574 sprintf(buf, "0x%x", comp);
575 return(buf);
576 } else
577 return(ct->name);
578 }
579
580 static u_int32_t
stringtocomp(const char * s)581 stringtocomp(const char *s)
582 {
583 struct compression_types *ct;
584 size_t l = strlen(s);
585
586 for (ct = comp_types; ct->name; ct++)
587 if (strncasecmp(ct->name, s, l) == 0)
588 break;
589
590 return(ct->comp_number);
591 }
592
593 static void
st_status(struct mtget * bp)594 st_status(struct mtget *bp)
595 {
596 printf("Mode Density Blocksize bpi "
597 "Compression\n"
598 "Current: %-17s %-12s %-7d %s\n"
599 "---------available modes---------\n"
600 "0: %-17s %-12s %-7d %s\n"
601 "1: %-17s %-12s %-7d %s\n"
602 "2: %-17s %-12s %-7d %s\n"
603 "3: %-17s %-12s %-7d %s\n",
604 denstostring(bp->mt_density), getblksiz(bp->mt_blksiz),
605 denstobp(bp->mt_density, TRUE), comptostring(bp->mt_comp),
606 denstostring(bp->mt_density0), getblksiz(bp->mt_blksiz0),
607 denstobp(bp->mt_density0, TRUE), comptostring(bp->mt_comp0),
608 denstostring(bp->mt_density1), getblksiz(bp->mt_blksiz1),
609 denstobp(bp->mt_density1, TRUE), comptostring(bp->mt_comp1),
610 denstostring(bp->mt_density2), getblksiz(bp->mt_blksiz2),
611 denstobp(bp->mt_density2, TRUE), comptostring(bp->mt_comp2),
612 denstostring(bp->mt_density3), getblksiz(bp->mt_blksiz3),
613 denstobp(bp->mt_density3, TRUE), comptostring(bp->mt_comp3));
614
615 if (bp->mt_dsreg != MTIO_DSREG_NIL) {
616 auto char foo[32];
617 const char *sfmt = "Current Driver State: %s.\n";
618 printf("---------------------------------\n");
619 switch (bp->mt_dsreg) {
620 case MTIO_DSREG_REST:
621 printf(sfmt, "at rest");
622 break;
623 case MTIO_DSREG_RBSY:
624 printf(sfmt, "Communicating with drive");
625 break;
626 case MTIO_DSREG_WR:
627 printf(sfmt, "Writing");
628 break;
629 case MTIO_DSREG_FMK:
630 printf(sfmt, "Writing Filemarks");
631 break;
632 case MTIO_DSREG_ZER:
633 printf(sfmt, "Erasing");
634 break;
635 case MTIO_DSREG_RD:
636 printf(sfmt, "Reading");
637 break;
638 case MTIO_DSREG_FWD:
639 printf(sfmt, "Spacing Forward");
640 break;
641 case MTIO_DSREG_REV:
642 printf(sfmt, "Spacing Reverse");
643 break;
644 case MTIO_DSREG_POS:
645 printf(sfmt,
646 "Hardware Positioning (direction unknown)");
647 break;
648 case MTIO_DSREG_REW:
649 printf(sfmt, "Rewinding");
650 break;
651 case MTIO_DSREG_TEN:
652 printf(sfmt, "Retensioning");
653 break;
654 case MTIO_DSREG_UNL:
655 printf(sfmt, "Unloading");
656 break;
657 case MTIO_DSREG_LD:
658 printf(sfmt, "Loading");
659 break;
660 default:
661 (void) sprintf(foo, "Unknown state 0x%x", bp->mt_dsreg);
662 printf(sfmt, foo);
663 break;
664 }
665 }
666 if (bp->mt_resid == 0 && bp->mt_fileno == (daddr_t) -1 &&
667 bp->mt_blkno == (daddr_t) -1)
668 return;
669 printf("---------------------------------\n");
670 printf("File Number: %u\tRecord Number: %u\tResidual Count %d\n",
671 bp->mt_fileno, bp->mt_blkno, bp->mt_resid);
672 }
673
674 static void
warn_eof(void)675 warn_eof(void)
676 {
677 fprintf(stderr,
678 "The \"eof\" command has been disabled.\n"
679 "Use \"weof\" if you really want to write end-of-file marks,\n"
680 "or \"eom\" if you rather want to skip to the end of "
681 "recorded medium.\n");
682 exit(1);
683 }
684
685 #endif /* defined (__DragonFly__) */
686