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 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 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 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 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 * 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 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 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 * 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 * 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 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 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 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