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. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#) Copyright (c) 1980, 1993 The Regents of the University of California. All rights reserved. 34 * @(#)mt.c 8.2 (Berkeley) 5/4/95 35 * $FreeBSD: src/usr.bin/mt/mt.c,v 1.26.2.3 2002/11/08 11:35:57 joerg Exp $ 36 */ 37 38 /* 39 * mt -- 40 * magnetic tape manipulation program 41 */ 42 #include <sys/types.h> 43 #include <sys/ioctl.h> 44 #include <sys/mtio.h> 45 46 #include <ctype.h> 47 #include <err.h> 48 #include <fcntl.h> 49 #include <stdio.h> 50 #include <stdlib.h> 51 #include <string.h> 52 #include <unistd.h> 53 54 /* the appropriate sections of <sys/mtio.h> are also #ifdef'd for FreeBSD */ 55 #if defined(__DragonFly__) 56 /* c_flags */ 57 #define NEED_2ARGS 0x01 58 #define ZERO_ALLOWED 0x02 59 #define IS_DENSITY 0x04 60 #define DISABLE_THIS 0x08 61 #define IS_COMP 0x10 62 #endif /* defined(__DragonFly__) */ 63 64 #ifndef TRUE 65 #define TRUE 1 66 #endif 67 #ifndef FALSE 68 #define FALSE 0 69 #endif 70 71 struct commands { 72 char *c_name; 73 int c_code; 74 int c_ronly; 75 #if defined(__DragonFly__) 76 int c_flags; 77 #endif /* defined(__DragonFly__) */ 78 } com[] = { 79 { "bsf", MTBSF, 1 }, 80 { "bsr", MTBSR, 1 }, 81 #if defined(__DragonFly__) 82 /* XXX FreeBSD considered "eof" dangerous, since it's being 83 confused with "eom" (and is an alias for "weof" anyway) */ 84 { "eof", MTWEOF, 0, DISABLE_THIS }, 85 #else 86 { "eof", MTWEOF, 0 }, 87 #endif 88 { "fsf", MTFSF, 1 }, 89 { "fsr", MTFSR, 1 }, 90 { "offline", MTOFFL, 1 }, 91 { "rewind", MTREW, 1 }, 92 { "rewoffl", MTOFFL, 1 }, 93 { "status", MTNOP, 1 }, 94 #if defined(__DragonFly__) 95 { "weof", MTWEOF, 0, ZERO_ALLOWED }, 96 #else 97 { "weof", MTWEOF, 0 }, 98 #endif 99 #if defined(__DragonFly__) 100 { "erase", MTERASE, 0, ZERO_ALLOWED}, 101 { "blocksize", MTSETBSIZ, 0, NEED_2ARGS|ZERO_ALLOWED }, 102 { "density", MTSETDNSTY, 0, NEED_2ARGS|ZERO_ALLOWED|IS_DENSITY }, 103 { "eom", MTEOD, 1 }, 104 { "eod", MTEOD, 1 }, 105 { "smk", MTWSS, 0 }, 106 { "wss", MTWSS, 0 }, 107 { "fss", MTFSS, 1 }, 108 { "bss", MTBSS, 1 }, 109 { "comp", MTCOMP, 0, NEED_2ARGS|ZERO_ALLOWED|IS_COMP }, 110 { "retension", MTRETENS, 1 }, 111 { "rdhpos", MTIOCRDHPOS, 0 }, 112 { "rdspos", MTIOCRDSPOS, 0 }, 113 { "sethpos", MTIOCHLOCATE, 0, NEED_2ARGS|ZERO_ALLOWED }, 114 { "setspos", MTIOCSLOCATE, 0, NEED_2ARGS|ZERO_ALLOWED }, 115 { "errstat", MTIOCERRSTAT, 0 }, 116 { "setmodel", MTIOCSETEOTMODEL, 0, NEED_2ARGS|ZERO_ALLOWED }, 117 { "seteotmodel", MTIOCSETEOTMODEL, 0, NEED_2ARGS|ZERO_ALLOWED }, 118 { "getmodel", MTIOCGETEOTMODEL }, 119 { "geteotmodel", MTIOCGETEOTMODEL }, 120 #endif /* defined(__DragonFly__) */ 121 { NULL } 122 }; 123 124 void printreg(char *, u_int, char *); 125 void status(struct mtget *); 126 void usage(void); 127 #if defined (__DragonFly__) 128 void st_status (struct mtget *); 129 int stringtodens (const char *s); 130 const char *denstostring (int d); 131 int denstobp(int d, int bpi); 132 u_int32_t stringtocomp(const char *s); 133 const char * comptostring(u_int32_t comp); 134 void warn_eof(void); 135 #endif /* defined (__DragonFly__) */ 136 137 int 138 main(int argc, char **argv) 139 { 140 struct commands *comp; 141 struct mtget mt_status; 142 struct mtop mt_com; 143 int ch, len, mtfd; 144 char *p, *tape; 145 146 if ((tape = getenv("TAPE")) == NULL) 147 tape = DEFTAPE; 148 149 while ((ch = getopt(argc, argv, "f:t:")) != -1) 150 switch(ch) { 151 case 'f': 152 case 't': 153 tape = optarg; 154 break; 155 case '?': 156 default: 157 usage(); 158 } 159 argc -= optind; 160 argv += optind; 161 162 if (argc < 1 || argc > 2) 163 usage(); 164 165 len = strlen(p = *argv++); 166 for (comp = com;; comp++) { 167 if (comp->c_name == NULL) 168 errx(1, "%s: unknown command", p); 169 if (strncmp(p, comp->c_name, len) == 0) 170 break; 171 } 172 #if defined(__DragonFly__) 173 if((comp->c_flags & NEED_2ARGS) && argc != 2) 174 usage(); 175 if(comp->c_flags & DISABLE_THIS) { 176 warn_eof(); 177 } 178 #endif /* defined(__DragonFly__) */ 179 if ((mtfd = open(tape, comp->c_ronly ? O_RDONLY : O_RDWR)) < 0) 180 err(1, "%s", tape); 181 if (comp->c_code != MTNOP) { 182 mt_com.mt_op = comp->c_code; 183 if (*argv) { 184 #if defined (__DragonFly__) 185 if (!isdigit(**argv) && 186 (comp->c_flags & IS_DENSITY)) { 187 const char *dcanon; 188 mt_com.mt_count = stringtodens(*argv); 189 if (mt_com.mt_count == 0) 190 errx(1, "%s: unknown density", *argv); 191 dcanon = denstostring(mt_com.mt_count); 192 if (strcmp(dcanon, *argv) != 0) 193 printf( 194 "Using \"%s\" as an alias for %s\n", 195 *argv, dcanon); 196 p = ""; 197 } else if (!isdigit(**argv) && 198 (comp->c_flags & IS_COMP)) { 199 200 mt_com.mt_count = stringtocomp(*argv); 201 if ((u_int32_t)mt_com.mt_count == 0xf0f0f0f0) 202 errx(1, "%s: unknown compression", 203 *argv); 204 p = ""; 205 } else 206 /* allow for hex numbers; useful for density */ 207 mt_com.mt_count = strtol(*argv, &p, 0); 208 #else 209 mt_com.mt_count = strtol(*argv, &p, 10); 210 #endif /* defined(__DragonFly__) */ 211 if ((mt_com.mt_count <= 212 #if defined (__DragonFly__) 213 ((comp->c_flags & ZERO_ALLOWED)? -1: 0) 214 && ((comp->c_flags & IS_COMP) == 0) 215 #else 216 0 217 #endif /* defined (__DragonFly__) */ 218 ) || *p) 219 errx(1, "%s: illegal count", *argv); 220 } 221 else 222 mt_com.mt_count = 1; 223 #if defined(__DragonFly__) 224 switch (comp->c_code) { 225 case MTIOCERRSTAT: 226 { 227 int i; 228 union mterrstat umn; 229 struct scsi_tape_errors *s = &umn.scsi_errstat; 230 231 if (ioctl(mtfd, comp->c_code, (caddr_t)&umn) < 0) 232 err(2, "%s", tape); 233 (void)printf("Last I/O Residual: %u\n", s->io_resid); 234 (void)printf(" Last I/O Command:"); 235 for (i = 0; i < sizeof (s->io_cdb); i++) 236 (void)printf(" %02X", s->io_cdb[i]); 237 (void)printf("\n"); 238 (void)printf(" Last I/O Sense:\n\n\t"); 239 for (i = 0; i < sizeof (s->io_sense); i++) { 240 (void)printf(" %02X", s->io_sense[i]); 241 if (((i + 1) & 0xf) == 0) { 242 (void)printf("\n\t"); 243 } 244 } 245 (void)printf("\n"); 246 (void)printf("Last Control Residual: %u\n", 247 s->ctl_resid); 248 (void)printf(" Last Control Command:"); 249 for (i = 0; i < sizeof (s->ctl_cdb); i++) 250 (void)printf(" %02X", s->ctl_cdb[i]); 251 (void)printf("\n"); 252 (void)printf(" Last Control Sense:\n\n\t"); 253 for (i = 0; i < sizeof (s->ctl_sense); i++) { 254 (void)printf(" %02X", s->ctl_sense[i]); 255 if (((i + 1) & 0xf) == 0) { 256 (void)printf("\n\t"); 257 } 258 } 259 (void)printf("\n\n"); 260 exit(0); 261 /* NOTREACHED */ 262 } 263 case MTIOCRDHPOS: 264 case MTIOCRDSPOS: 265 { 266 u_int32_t block; 267 if (ioctl(mtfd, comp->c_code, (caddr_t)&block) < 0) 268 err(2, "%s", tape); 269 (void)printf("%s: %s block location %u\n", tape, 270 (comp->c_code == MTIOCRDHPOS)? "hardware" : 271 "logical", block); 272 exit(0); 273 /* NOTREACHED */ 274 } 275 case MTIOCSLOCATE: 276 case MTIOCHLOCATE: 277 { 278 u_int32_t block = (u_int32_t)mt_com.mt_count; 279 if (ioctl(mtfd, comp->c_code, (caddr_t)&block) < 0) 280 err(2, "%s", tape); 281 exit(0); 282 /* NOTREACHED */ 283 } 284 case MTIOCGETEOTMODEL: 285 { 286 u_int32_t om; 287 if (ioctl(mtfd, MTIOCGETEOTMODEL, (caddr_t)&om) < 0) 288 err(2, "%s", tape); 289 (void)printf("%s: the model is %u filemar%s at EOT\n", 290 tape, om, (om > 1)? "ks" : "k"); 291 exit(0); 292 /* NOTREACHED */ 293 } 294 case MTIOCSETEOTMODEL: 295 { 296 u_int32_t om, nm = (u_int32_t)mt_com.mt_count; 297 if (ioctl(mtfd, MTIOCGETEOTMODEL, (caddr_t)&om) < 0) 298 err(2, "%s", tape); 299 if (ioctl(mtfd, comp->c_code, (caddr_t)&nm) < 0) 300 err(2, "%s", tape); 301 (void)printf("%s: old model was %u filemar%s at EOT\n", 302 tape, om, (om > 1)? "ks" : "k"); 303 (void)printf("%s: new model is %u filemar%s at EOT\n", 304 tape, nm, (nm > 1)? "ks" : "k"); 305 exit(0); 306 /* NOTREACHED */ 307 } 308 default: 309 break; 310 } 311 #endif 312 if (ioctl(mtfd, MTIOCTOP, &mt_com) < 0) 313 err(1, "%s: %s", tape, comp->c_name); 314 } else { 315 if (ioctl(mtfd, MTIOCGET, &mt_status) < 0) 316 err(1, NULL); 317 status(&mt_status); 318 } 319 exit(0); 320 /* NOTREACHED */ 321 } 322 323 #ifdef sun 324 #include <sundev/tmreg.h> 325 #include <sundev/arreg.h> 326 #endif 327 328 struct tape_desc { 329 short t_type; /* type of magtape device */ 330 char *t_name; /* printing name */ 331 char *t_dsbits; /* "drive status" register */ 332 char *t_erbits; /* "error" register */ 333 } tapes[] = { 334 #ifdef sun 335 { MT_ISCPC, "TapeMaster", TMS_BITS, 0 }, 336 { MT_ISAR, "Archive", ARCH_CTRL_BITS, ARCH_BITS }, 337 #endif 338 #if defined (__DragonFly__) 339 /* 340 * XXX This is weird. The st driver reports the tape drive 341 * as 0x7 (MT_ISAR - Sun/Archive compatible); the wt driver 342 * either reports MT_ISVIPER1 for an Archive tape, or 0x11 343 * (MT_ISMFOUR) for other tapes. 344 * XXX for the wt driver, rely on it behaving like a "standard" 345 * magtape driver. 346 */ 347 { MT_ISAR, "SCSI tape drive", 0, 0 }, 348 #endif /* defined (__DragonFly__) */ 349 { 0 } 350 }; 351 352 /* 353 * Interpret the status buffer returned 354 */ 355 void 356 status(struct mtget *bp) 357 { 358 struct tape_desc *mt; 359 360 for (mt = tapes;; mt++) { 361 if (mt->t_type == 0) { 362 (void)printf("%d: unknown tape drive type\n", 363 bp->mt_type); 364 return; 365 } 366 if (mt->t_type == bp->mt_type) 367 break; 368 } 369 #if defined (__DragonFly__) 370 if(mt->t_type == MT_ISAR) 371 st_status(bp); 372 else { 373 #endif /* defined (__DragonFly__) */ 374 (void)printf("%s tape drive, residual=%d\n", mt->t_name, bp->mt_resid); 375 printreg("ds", (unsigned short)bp->mt_dsreg, mt->t_dsbits); 376 printreg("\ner", (unsigned short)bp->mt_erreg, mt->t_erbits); 377 (void)putchar('\n'); 378 #if defined (__DragonFly__) 379 } 380 #endif /* defined (__DragonFly__) */ 381 } 382 383 /* 384 * Print a register a la the %b format of the kernel's printf. 385 */ 386 void 387 printreg(char *s, u_int v, char *bits) 388 { 389 int i, any = 0; 390 char c; 391 392 if (bits && *bits == 8) 393 printf("%s=%o", s, v); 394 else 395 printf("%s=%x", s, v); 396 if (!bits) 397 return; 398 bits++; 399 if (v && bits) { 400 putchar('<'); 401 while ((i = *bits++)) { 402 if (v & (1 << (i-1))) { 403 if (any) 404 putchar(','); 405 any = 1; 406 for (; (c = *bits) > 32; bits++) 407 putchar(c); 408 } else 409 for (; *bits > 32; bits++) 410 ; 411 } 412 putchar('>'); 413 } 414 } 415 416 void 417 usage(void) 418 { 419 (void)fprintf(stderr, "usage: mt [-f device] command [ count ]\n"); 420 exit(1); 421 } 422 423 #if defined (__DragonFly__) 424 425 struct densities { 426 int dens; 427 int bpmm; 428 int bpi; 429 const char *name; 430 } dens[] = { 431 /* 432 * Taken from T10 Project 997D 433 * SCSI-3 Stream Device Commands (SSC) 434 * Revision 11, 4-Nov-97 435 */ 436 /*Num. bpmm bpi Reference */ 437 { 0x1, 32, 800, "X3.22-1983" }, 438 { 0x2, 63, 1600, "X3.39-1986" }, 439 { 0x3, 246, 6250, "X3.54-1986" }, 440 { 0x5, 315, 8000, "X3.136-1986" }, 441 { 0x6, 126, 3200, "X3.157-1987" }, 442 { 0x7, 252, 6400, "X3.116-1986" }, 443 { 0x8, 315, 8000, "X3.158-1987" }, 444 { 0x9, 491, 37871, "X3.180" }, 445 { 0xA, 262, 6667, "X3B5/86-199" }, 446 { 0xB, 63, 1600, "X3.56-1986" }, 447 { 0xC, 500, 12690, "HI-TC1" }, 448 { 0xD, 999, 25380, "HI-TC2" }, 449 { 0xF, 394, 10000, "QIC-120" }, 450 { 0x10, 394, 10000, "QIC-150" }, 451 { 0x11, 630, 16000, "QIC-320" }, 452 { 0x12, 2034, 51667, "QIC-1350" }, 453 { 0x13, 2400, 61000, "X3B5/88-185A" }, 454 { 0x14, 1703, 43245, "X3.202-1991" }, 455 { 0x15, 1789, 45434, "ECMA TC17" }, 456 { 0x16, 394, 10000, "X3.193-1990" }, 457 { 0x17, 1673, 42500, "X3B5/91-174" }, 458 { 0x18, 1673, 42500, "X3B5/92-50" }, 459 { 0x19, 2460, 62500, "DLTapeIII" }, 460 { 0x1A, 3214, 81633, "DLTapeIV(20GB)" }, 461 { 0x1B, 3383, 85937, "DLTapeIV(35GB)" }, 462 { 0x1C, 1654, 42000, "QIC-385M" }, 463 { 0x1D, 1512, 38400, "QIC-410M" }, 464 { 0x1E, 1385, 36000, "QIC-1000C" }, 465 { 0x1F, 2666, 67733, "QIC-2100C" }, 466 { 0x20, 2666, 67733, "QIC-6GB(M)" }, 467 { 0x21, 2666, 67733, "QIC-20GB(C)" }, 468 { 0x22, 1600, 40640, "QIC-2GB(C)" }, 469 { 0x23, 2666, 67733, "QIC-875M" }, 470 { 0x24, 2400, 61000, "DDS-2" }, 471 { 0x25, 3816, 97000, "DDS-3" }, 472 { 0x26, 3816, 97000, "DDS-4" }, 473 { 0x27, 3056, 77611, "Mammoth" }, 474 { 0x28, 1491, 37871, "X3.224" }, 475 { 0x41, 3868, 98250, "DLTapeIV(40GB)" }, 476 { 0x48, 5236, 133000, "SDLTapeI(110)" }, 477 { 0x49, 7598, 193000, "SDLTapeI(160)" }, 478 { 0, 0, 0, NULL } 479 }; 480 481 struct compression_types { 482 u_int32_t comp_number; 483 const char *name; 484 } comp_types[] = { 485 { 0x00, "none" }, 486 { 0x00, "off" }, 487 { 0x10, "IDRC" }, 488 { 0x20, "DCLZ" }, 489 { 0xffffffff, "enable" }, 490 { 0xffffffff, "on" }, 491 { 0xf0f0f0f0, NULL} 492 }; 493 494 const char * 495 denstostring(int d) 496 { 497 static char buf[20]; 498 struct densities *sd; 499 500 /* densities 0 and 0x7f are handled as special cases */ 501 if (d == 0) 502 return "default"; 503 if (d == 0x7f) 504 return "same"; 505 for (sd = dens; sd->dens; sd++) 506 if (sd->dens == d) 507 break; 508 if (sd->dens == 0) 509 sprintf(buf, "0x%02x", d); 510 else 511 sprintf(buf, "0x%02x:%s", d, sd->name); 512 return buf; 513 } 514 515 /* 516 * Given a specific density number, return either the bits per inch or bits 517 * per millimeter for the given density. 518 */ 519 int 520 denstobp(int d, int bpi) 521 { 522 struct densities *sd; 523 524 for (sd = dens; sd->dens; sd++) 525 if (sd->dens == d) 526 break; 527 if (sd->dens == 0) 528 return(0); 529 else { 530 if (bpi) 531 return(sd->bpi); 532 else 533 return(sd->bpmm); 534 } 535 } 536 537 int 538 stringtodens(const char *s) 539 { 540 struct densities *sd; 541 size_t l = strlen(s); 542 543 for (sd = dens; sd->dens; sd++) 544 if (strncasecmp(sd->name, s, l) == 0) 545 break; 546 return sd->dens; 547 } 548 549 550 const char * 551 getblksiz(int bs) 552 { 553 static char buf[25]; 554 if (bs == 0) 555 return "variable"; 556 else { 557 sprintf(buf, "%d bytes", bs); 558 return buf; 559 } 560 } 561 562 const char * 563 comptostring(u_int32_t comp) 564 { 565 static char buf[20]; 566 struct compression_types *ct; 567 568 if (comp == MT_COMP_DISABLED) 569 return "disabled"; 570 else if (comp == MT_COMP_UNSUPP) 571 return "unsupported"; 572 573 for (ct = comp_types; ct->name; ct++) 574 if (ct->comp_number == comp) 575 break; 576 577 if (ct->comp_number == 0xf0f0f0f0) { 578 sprintf(buf, "0x%x", comp); 579 return(buf); 580 } else 581 return(ct->name); 582 } 583 584 u_int32_t 585 stringtocomp(const char *s) 586 { 587 struct compression_types *ct; 588 size_t l = strlen(s); 589 590 for (ct = comp_types; ct->name; ct++) 591 if (strncasecmp(ct->name, s, l) == 0) 592 break; 593 594 return(ct->comp_number); 595 } 596 597 void 598 st_status(struct mtget *bp) 599 { 600 printf("Mode Density Blocksize bpi " 601 "Compression\n" 602 "Current: %-17s %-12s %-7d %s\n" 603 "---------available modes---------\n" 604 "0: %-17s %-12s %-7d %s\n" 605 "1: %-17s %-12s %-7d %s\n" 606 "2: %-17s %-12s %-7d %s\n" 607 "3: %-17s %-12s %-7d %s\n", 608 denstostring(bp->mt_density), getblksiz(bp->mt_blksiz), 609 denstobp(bp->mt_density, TRUE), comptostring(bp->mt_comp), 610 denstostring(bp->mt_density0), getblksiz(bp->mt_blksiz0), 611 denstobp(bp->mt_density0, TRUE), comptostring(bp->mt_comp0), 612 denstostring(bp->mt_density1), getblksiz(bp->mt_blksiz1), 613 denstobp(bp->mt_density1, TRUE), comptostring(bp->mt_comp1), 614 denstostring(bp->mt_density2), getblksiz(bp->mt_blksiz2), 615 denstobp(bp->mt_density2, TRUE), comptostring(bp->mt_comp2), 616 denstostring(bp->mt_density3), getblksiz(bp->mt_blksiz3), 617 denstobp(bp->mt_density3, TRUE), comptostring(bp->mt_comp3)); 618 619 if (bp->mt_dsreg != MTIO_DSREG_NIL) { 620 auto char foo[32]; 621 const char *sfmt = "Current Driver State: %s.\n"; 622 printf("---------------------------------\n"); 623 switch (bp->mt_dsreg) { 624 case MTIO_DSREG_REST: 625 printf(sfmt, "at rest"); 626 break; 627 case MTIO_DSREG_RBSY: 628 printf(sfmt, "Communicating with drive"); 629 break; 630 case MTIO_DSREG_WR: 631 printf(sfmt, "Writing"); 632 break; 633 case MTIO_DSREG_FMK: 634 printf(sfmt, "Writing Filemarks"); 635 break; 636 case MTIO_DSREG_ZER: 637 printf(sfmt, "Erasing"); 638 break; 639 case MTIO_DSREG_RD: 640 printf(sfmt, "Reading"); 641 break; 642 case MTIO_DSREG_FWD: 643 printf(sfmt, "Spacing Forward"); 644 break; 645 case MTIO_DSREG_REV: 646 printf(sfmt, "Spacing Reverse"); 647 break; 648 case MTIO_DSREG_POS: 649 printf(sfmt, 650 "Hardware Positioning (direction unknown)"); 651 break; 652 case MTIO_DSREG_REW: 653 printf(sfmt, "Rewinding"); 654 break; 655 case MTIO_DSREG_TEN: 656 printf(sfmt, "Retensioning"); 657 break; 658 case MTIO_DSREG_UNL: 659 printf(sfmt, "Unloading"); 660 break; 661 case MTIO_DSREG_LD: 662 printf(sfmt, "Loading"); 663 break; 664 default: 665 (void) sprintf(foo, "Unknown state 0x%x", bp->mt_dsreg); 666 printf(sfmt, foo); 667 break; 668 } 669 } 670 if (bp->mt_resid == 0 && bp->mt_fileno == (daddr_t) -1 && 671 bp->mt_blkno == (daddr_t) -1) 672 return; 673 printf("---------------------------------\n"); 674 printf("File Number: %ld\tRecord Number: %ld\tResidual Count %d\n", 675 bp->mt_fileno, bp->mt_blkno, bp->mt_resid); 676 } 677 678 void 679 warn_eof(void) 680 { 681 fprintf(stderr, 682 "The \"eof\" command has been disabled.\n" 683 "Use \"weof\" if you really want to write end-of-file marks,\n" 684 "or \"eom\" if you rather want to skip to the end of " 685 "recorded medium.\n"); 686 exit(1); 687 } 688 689 #endif /* defined (__DragonFly__) */ 690