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 * $DragonFly: src/usr.bin/mt/mt.c,v 1.7 2005/09/10 21:03:27 swildner Exp $ 37 */ 38 39 /* 40 * mt -- 41 * magnetic tape manipulation program 42 */ 43 #include <sys/types.h> 44 #include <sys/ioctl.h> 45 #include <sys/mtio.h> 46 47 #include <ctype.h> 48 #include <err.h> 49 #include <fcntl.h> 50 #include <stdio.h> 51 #include <stdlib.h> 52 #include <string.h> 53 #include <unistd.h> 54 55 /* the appropriate sections of <sys/mtio.h> are also #ifdef'd for FreeBSD */ 56 #if defined(__DragonFly__) 57 /* c_flags */ 58 #define NEED_2ARGS 0x01 59 #define ZERO_ALLOWED 0x02 60 #define IS_DENSITY 0x04 61 #define DISABLE_THIS 0x08 62 #define IS_COMP 0x10 63 #endif /* defined(__DragonFly__) */ 64 65 #ifndef TRUE 66 #define TRUE 1 67 #endif 68 #ifndef FALSE 69 #define FALSE 0 70 #endif 71 72 struct commands { 73 char *c_name; 74 int c_code; 75 int c_ronly; 76 #if defined(__DragonFly__) 77 int c_flags; 78 #endif /* defined(__DragonFly__) */ 79 } com[] = { 80 { "bsf", MTBSF, 1 }, 81 { "bsr", MTBSR, 1 }, 82 #if defined(__DragonFly__) 83 /* XXX FreeBSD considered "eof" dangerous, since it's being 84 confused with "eom" (and is an alias for "weof" anyway) */ 85 { "eof", MTWEOF, 0, DISABLE_THIS }, 86 #else 87 { "eof", MTWEOF, 0 }, 88 #endif 89 { "fsf", MTFSF, 1 }, 90 { "fsr", MTFSR, 1 }, 91 { "offline", MTOFFL, 1 }, 92 { "rewind", MTREW, 1 }, 93 { "rewoffl", MTOFFL, 1 }, 94 { "status", MTNOP, 1 }, 95 #if defined(__DragonFly__) 96 { "weof", MTWEOF, 0, ZERO_ALLOWED }, 97 #else 98 { "weof", MTWEOF, 0 }, 99 #endif 100 #if defined(__DragonFly__) 101 { "erase", MTERASE, 0, ZERO_ALLOWED}, 102 { "blocksize", MTSETBSIZ, 0, NEED_2ARGS|ZERO_ALLOWED }, 103 { "density", MTSETDNSTY, 0, NEED_2ARGS|ZERO_ALLOWED|IS_DENSITY }, 104 { "eom", MTEOD, 1 }, 105 { "eod", MTEOD, 1 }, 106 { "smk", MTWSS, 0 }, 107 { "wss", MTWSS, 0 }, 108 { "fss", MTFSS, 1 }, 109 { "bss", MTBSS, 1 }, 110 { "comp", MTCOMP, 0, NEED_2ARGS|ZERO_ALLOWED|IS_COMP }, 111 { "retension", MTRETENS, 1 }, 112 { "rdhpos", MTIOCRDHPOS, 0 }, 113 { "rdspos", MTIOCRDSPOS, 0 }, 114 { "sethpos", MTIOCHLOCATE, 0, NEED_2ARGS|ZERO_ALLOWED }, 115 { "setspos", MTIOCSLOCATE, 0, NEED_2ARGS|ZERO_ALLOWED }, 116 { "errstat", MTIOCERRSTAT, 0 }, 117 { "setmodel", MTIOCSETEOTMODEL, 0, NEED_2ARGS|ZERO_ALLOWED }, 118 { "seteotmodel", MTIOCSETEOTMODEL, 0, NEED_2ARGS|ZERO_ALLOWED }, 119 { "getmodel", MTIOCGETEOTMODEL }, 120 { "geteotmodel", MTIOCGETEOTMODEL }, 121 #endif /* defined(__DragonFly__) */ 122 { NULL } 123 }; 124 125 void printreg(char *, u_int, char *); 126 void status(struct mtget *); 127 void usage(void); 128 #if defined (__DragonFly__) 129 void st_status (struct mtget *); 130 int stringtodens (const char *s); 131 const char *denstostring (int d); 132 int denstobp(int d, int bpi); 133 u_int32_t stringtocomp(const char *s); 134 const char * comptostring(u_int32_t comp); 135 void warn_eof(void); 136 #endif /* defined (__DragonFly__) */ 137 138 int 139 main(int argc, char **argv) 140 { 141 struct commands *comp; 142 struct mtget mt_status; 143 struct mtop mt_com; 144 int ch, len, mtfd; 145 char *p, *tape; 146 147 if ((tape = getenv("TAPE")) == NULL) 148 tape = DEFTAPE; 149 150 while ((ch = getopt(argc, argv, "f:t:")) != -1) 151 switch(ch) { 152 case 'f': 153 case 't': 154 tape = optarg; 155 break; 156 case '?': 157 default: 158 usage(); 159 } 160 argc -= optind; 161 argv += optind; 162 163 if (argc < 1 || argc > 2) 164 usage(); 165 166 len = strlen(p = *argv++); 167 for (comp = com;; comp++) { 168 if (comp->c_name == NULL) 169 errx(1, "%s: unknown command", p); 170 if (strncmp(p, comp->c_name, len) == 0) 171 break; 172 } 173 #if defined(__DragonFly__) 174 if((comp->c_flags & NEED_2ARGS) && argc != 2) 175 usage(); 176 if(comp->c_flags & DISABLE_THIS) { 177 warn_eof(); 178 } 179 #endif /* defined(__DragonFly__) */ 180 if ((mtfd = open(tape, comp->c_ronly ? O_RDONLY : O_RDWR)) < 0) 181 err(1, "%s", tape); 182 if (comp->c_code != MTNOP) { 183 mt_com.mt_op = comp->c_code; 184 if (*argv) { 185 #if defined (__DragonFly__) 186 if (!isdigit(**argv) && 187 (comp->c_flags & IS_DENSITY)) { 188 const char *dcanon; 189 mt_com.mt_count = stringtodens(*argv); 190 if (mt_com.mt_count == 0) 191 errx(1, "%s: unknown density", *argv); 192 dcanon = denstostring(mt_com.mt_count); 193 if (strcmp(dcanon, *argv) != 0) 194 printf( 195 "Using \"%s\" as an alias for %s\n", 196 *argv, dcanon); 197 p = ""; 198 } else if (!isdigit(**argv) && 199 (comp->c_flags & IS_COMP)) { 200 201 mt_com.mt_count = stringtocomp(*argv); 202 if ((u_int32_t)mt_com.mt_count == 0xf0f0f0f0) 203 errx(1, "%s: unknown compression", 204 *argv); 205 p = ""; 206 } else 207 /* allow for hex numbers; useful for density */ 208 mt_com.mt_count = strtol(*argv, &p, 0); 209 #else 210 mt_com.mt_count = strtol(*argv, &p, 10); 211 #endif /* defined(__DragonFly__) */ 212 if ((mt_com.mt_count <= 213 #if defined (__DragonFly__) 214 ((comp->c_flags & ZERO_ALLOWED)? -1: 0) 215 && ((comp->c_flags & IS_COMP) == 0) 216 #else 217 0 218 #endif /* defined (__DragonFly__) */ 219 ) || *p) 220 errx(1, "%s: illegal count", *argv); 221 } 222 else 223 mt_com.mt_count = 1; 224 #if defined(__DragonFly__) 225 switch (comp->c_code) { 226 case MTIOCERRSTAT: 227 { 228 int i; 229 union mterrstat umn; 230 struct scsi_tape_errors *s = &umn.scsi_errstat; 231 232 if (ioctl(mtfd, comp->c_code, (caddr_t)&umn) < 0) 233 err(2, "%s", tape); 234 (void)printf("Last I/O Residual: %u\n", s->io_resid); 235 (void)printf(" Last I/O Command:"); 236 for (i = 0; i < sizeof (s->io_cdb); i++) 237 (void)printf(" %02X", s->io_cdb[i]); 238 (void)printf("\n"); 239 (void)printf(" Last I/O Sense:\n\n\t"); 240 for (i = 0; i < sizeof (s->io_sense); i++) { 241 (void)printf(" %02X", s->io_sense[i]); 242 if (((i + 1) & 0xf) == 0) { 243 (void)printf("\n\t"); 244 } 245 } 246 (void)printf("\n"); 247 (void)printf("Last Control Residual: %u\n", 248 s->ctl_resid); 249 (void)printf(" Last Control Command:"); 250 for (i = 0; i < sizeof (s->ctl_cdb); i++) 251 (void)printf(" %02X", s->ctl_cdb[i]); 252 (void)printf("\n"); 253 (void)printf(" Last Control Sense:\n\n\t"); 254 for (i = 0; i < sizeof (s->ctl_sense); i++) { 255 (void)printf(" %02X", s->ctl_sense[i]); 256 if (((i + 1) & 0xf) == 0) { 257 (void)printf("\n\t"); 258 } 259 } 260 (void)printf("\n\n"); 261 exit(0); 262 /* NOTREACHED */ 263 } 264 case MTIOCRDHPOS: 265 case MTIOCRDSPOS: 266 { 267 u_int32_t block; 268 if (ioctl(mtfd, comp->c_code, (caddr_t)&block) < 0) 269 err(2, "%s", tape); 270 (void)printf("%s: %s block location %u\n", tape, 271 (comp->c_code == MTIOCRDHPOS)? "hardware" : 272 "logical", block); 273 exit(0); 274 /* NOTREACHED */ 275 } 276 case MTIOCSLOCATE: 277 case MTIOCHLOCATE: 278 { 279 u_int32_t block = (u_int32_t)mt_com.mt_count; 280 if (ioctl(mtfd, comp->c_code, (caddr_t)&block) < 0) 281 err(2, "%s", tape); 282 exit(0); 283 /* NOTREACHED */ 284 } 285 case MTIOCGETEOTMODEL: 286 { 287 u_int32_t om; 288 if (ioctl(mtfd, MTIOCGETEOTMODEL, (caddr_t)&om) < 0) 289 err(2, "%s", tape); 290 (void)printf("%s: the model is %u filemar%s at EOT\n", 291 tape, om, (om > 1)? "ks" : "k"); 292 exit(0); 293 /* NOTREACHED */ 294 } 295 case MTIOCSETEOTMODEL: 296 { 297 u_int32_t om, nm = (u_int32_t)mt_com.mt_count; 298 if (ioctl(mtfd, MTIOCGETEOTMODEL, (caddr_t)&om) < 0) 299 err(2, "%s", tape); 300 if (ioctl(mtfd, comp->c_code, (caddr_t)&nm) < 0) 301 err(2, "%s", tape); 302 (void)printf("%s: old model was %u filemar%s at EOT\n", 303 tape, om, (om > 1)? "ks" : "k"); 304 (void)printf("%s: new model is %u filemar%s at EOT\n", 305 tape, nm, (nm > 1)? "ks" : "k"); 306 exit(0); 307 /* NOTREACHED */ 308 } 309 default: 310 break; 311 } 312 #endif 313 if (ioctl(mtfd, MTIOCTOP, &mt_com) < 0) 314 err(1, "%s: %s", tape, comp->c_name); 315 } else { 316 if (ioctl(mtfd, MTIOCGET, &mt_status) < 0) 317 err(1, NULL); 318 status(&mt_status); 319 } 320 exit(0); 321 /* NOTREACHED */ 322 } 323 324 #ifdef sun 325 #include <sundev/tmreg.h> 326 #include <sundev/arreg.h> 327 #endif 328 329 #if defined(__DragonFly__) && defined(__i386__) 330 #include <machine/wtio.h> 331 #endif 332 333 struct tape_desc { 334 short t_type; /* type of magtape device */ 335 char *t_name; /* printing name */ 336 char *t_dsbits; /* "drive status" register */ 337 char *t_erbits; /* "error" register */ 338 } tapes[] = { 339 #ifdef sun 340 { MT_ISCPC, "TapeMaster", TMS_BITS, 0 }, 341 { MT_ISAR, "Archive", ARCH_CTRL_BITS, ARCH_BITS }, 342 #endif 343 #if defined (__DragonFly__) 344 /* 345 * XXX This is weird. The st driver reports the tape drive 346 * as 0x7 (MT_ISAR - Sun/Archive compatible); the wt driver 347 * either reports MT_ISVIPER1 for an Archive tape, or 0x11 348 * (MT_ISMFOUR) for other tapes. 349 * XXX for the wt driver, rely on it behaving like a "standard" 350 * magtape driver. 351 */ 352 { MT_ISAR, "SCSI tape drive", 0, 0 }, 353 #if defined (__i386__) 354 { MT_ISVIPER1, "Archive Viper", WTDS_BITS, WTER_BITS }, 355 { MT_ISMFOUR, "Wangtek", WTDS_BITS, WTER_BITS }, 356 #endif 357 #endif /* defined (__DragonFly__) */ 358 { 0 } 359 }; 360 361 /* 362 * Interpret the status buffer returned 363 */ 364 void 365 status(struct mtget *bp) 366 { 367 struct tape_desc *mt; 368 369 for (mt = tapes;; mt++) { 370 if (mt->t_type == 0) { 371 (void)printf("%d: unknown tape drive type\n", 372 bp->mt_type); 373 return; 374 } 375 if (mt->t_type == bp->mt_type) 376 break; 377 } 378 #if defined (__DragonFly__) 379 if(mt->t_type == MT_ISAR) 380 st_status(bp); 381 else { 382 #endif /* defined (__DragonFly__) */ 383 (void)printf("%s tape drive, residual=%d\n", mt->t_name, bp->mt_resid); 384 printreg("ds", (unsigned short)bp->mt_dsreg, mt->t_dsbits); 385 printreg("\ner", (unsigned short)bp->mt_erreg, mt->t_erbits); 386 (void)putchar('\n'); 387 #if defined (__DragonFly__) 388 } 389 #endif /* defined (__DragonFly__) */ 390 } 391 392 /* 393 * Print a register a la the %b format of the kernel's printf. 394 */ 395 void 396 printreg(char *s, u_int v, char *bits) 397 { 398 int i, any = 0; 399 char c; 400 401 if (bits && *bits == 8) 402 printf("%s=%o", s, v); 403 else 404 printf("%s=%x", s, v); 405 if (!bits) 406 return; 407 bits++; 408 if (v && bits) { 409 putchar('<'); 410 while ((i = *bits++)) { 411 if (v & (1 << (i-1))) { 412 if (any) 413 putchar(','); 414 any = 1; 415 for (; (c = *bits) > 32; bits++) 416 putchar(c); 417 } else 418 for (; *bits > 32; bits++) 419 ; 420 } 421 putchar('>'); 422 } 423 } 424 425 void 426 usage(void) 427 { 428 (void)fprintf(stderr, "usage: mt [-f device] command [ count ]\n"); 429 exit(1); 430 } 431 432 #if defined (__DragonFly__) 433 434 struct densities { 435 int dens; 436 int bpmm; 437 int bpi; 438 const char *name; 439 } dens[] = { 440 /* 441 * Taken from T10 Project 997D 442 * SCSI-3 Stream Device Commands (SSC) 443 * Revision 11, 4-Nov-97 444 */ 445 /*Num. bpmm bpi Reference */ 446 { 0x1, 32, 800, "X3.22-1983" }, 447 { 0x2, 63, 1600, "X3.39-1986" }, 448 { 0x3, 246, 6250, "X3.54-1986" }, 449 { 0x5, 315, 8000, "X3.136-1986" }, 450 { 0x6, 126, 3200, "X3.157-1987" }, 451 { 0x7, 252, 6400, "X3.116-1986" }, 452 { 0x8, 315, 8000, "X3.158-1987" }, 453 { 0x9, 491, 37871, "X3.180" }, 454 { 0xA, 262, 6667, "X3B5/86-199" }, 455 { 0xB, 63, 1600, "X3.56-1986" }, 456 { 0xC, 500, 12690, "HI-TC1" }, 457 { 0xD, 999, 25380, "HI-TC2" }, 458 { 0xF, 394, 10000, "QIC-120" }, 459 { 0x10, 394, 10000, "QIC-150" }, 460 { 0x11, 630, 16000, "QIC-320" }, 461 { 0x12, 2034, 51667, "QIC-1350" }, 462 { 0x13, 2400, 61000, "X3B5/88-185A" }, 463 { 0x14, 1703, 43245, "X3.202-1991" }, 464 { 0x15, 1789, 45434, "ECMA TC17" }, 465 { 0x16, 394, 10000, "X3.193-1990" }, 466 { 0x17, 1673, 42500, "X3B5/91-174" }, 467 { 0x18, 1673, 42500, "X3B5/92-50" }, 468 { 0x19, 2460, 62500, "DLTapeIII" }, 469 { 0x1A, 3214, 81633, "DLTapeIV(20GB)" }, 470 { 0x1B, 3383, 85937, "DLTapeIV(35GB)" }, 471 { 0x1C, 1654, 42000, "QIC-385M" }, 472 { 0x1D, 1512, 38400, "QIC-410M" }, 473 { 0x1E, 1385, 36000, "QIC-1000C" }, 474 { 0x1F, 2666, 67733, "QIC-2100C" }, 475 { 0x20, 2666, 67733, "QIC-6GB(M)" }, 476 { 0x21, 2666, 67733, "QIC-20GB(C)" }, 477 { 0x22, 1600, 40640, "QIC-2GB(C)" }, 478 { 0x23, 2666, 67733, "QIC-875M" }, 479 { 0x24, 2400, 61000, "DDS-2" }, 480 { 0x25, 3816, 97000, "DDS-3" }, 481 { 0x26, 3816, 97000, "DDS-4" }, 482 { 0x27, 3056, 77611, "Mammoth" }, 483 { 0x28, 1491, 37871, "X3.224" }, 484 { 0x41, 3868, 98250, "DLTapeIV(40GB)" }, 485 { 0x48, 5236, 133000, "SDLTapeI(110)" }, 486 { 0x49, 7598, 193000, "SDLTapeI(160)" }, 487 { 0, 0, 0, NULL } 488 }; 489 490 struct compression_types { 491 u_int32_t comp_number; 492 const char *name; 493 } comp_types[] = { 494 { 0x00, "none" }, 495 { 0x00, "off" }, 496 { 0x10, "IDRC" }, 497 { 0x20, "DCLZ" }, 498 { 0xffffffff, "enable" }, 499 { 0xffffffff, "on" }, 500 { 0xf0f0f0f0, NULL} 501 }; 502 503 const char * 504 denstostring(int d) 505 { 506 static char buf[20]; 507 struct densities *sd; 508 509 /* densities 0 and 0x7f are handled as special cases */ 510 if (d == 0) 511 return "default"; 512 if (d == 0x7f) 513 return "same"; 514 for (sd = dens; sd->dens; sd++) 515 if (sd->dens == d) 516 break; 517 if (sd->dens == 0) 518 sprintf(buf, "0x%02x", d); 519 else 520 sprintf(buf, "0x%02x:%s", d, sd->name); 521 return buf; 522 } 523 524 /* 525 * Given a specific density number, return either the bits per inch or bits 526 * per millimeter for the given density. 527 */ 528 int 529 denstobp(int d, int bpi) 530 { 531 struct densities *sd; 532 533 for (sd = dens; sd->dens; sd++) 534 if (sd->dens == d) 535 break; 536 if (sd->dens == 0) 537 return(0); 538 else { 539 if (bpi) 540 return(sd->bpi); 541 else 542 return(sd->bpmm); 543 } 544 } 545 546 int 547 stringtodens(const char *s) 548 { 549 struct densities *sd; 550 size_t l = strlen(s); 551 552 for (sd = dens; sd->dens; sd++) 553 if (strncasecmp(sd->name, s, l) == 0) 554 break; 555 return sd->dens; 556 } 557 558 559 const char * 560 getblksiz(int bs) 561 { 562 static char buf[25]; 563 if (bs == 0) 564 return "variable"; 565 else { 566 sprintf(buf, "%d bytes", bs); 567 return buf; 568 } 569 } 570 571 const char * 572 comptostring(u_int32_t comp) 573 { 574 static char buf[20]; 575 struct compression_types *ct; 576 577 if (comp == MT_COMP_DISABLED) 578 return "disabled"; 579 else if (comp == MT_COMP_UNSUPP) 580 return "unsupported"; 581 582 for (ct = comp_types; ct->name; ct++) 583 if (ct->comp_number == comp) 584 break; 585 586 if (ct->comp_number == 0xf0f0f0f0) { 587 sprintf(buf, "0x%x", comp); 588 return(buf); 589 } else 590 return(ct->name); 591 } 592 593 u_int32_t 594 stringtocomp(const char *s) 595 { 596 struct compression_types *ct; 597 size_t l = strlen(s); 598 599 for (ct = comp_types; ct->name; ct++) 600 if (strncasecmp(ct->name, s, l) == 0) 601 break; 602 603 return(ct->comp_number); 604 } 605 606 void 607 st_status(struct mtget *bp) 608 { 609 printf("Mode Density Blocksize bpi " 610 "Compression\n" 611 "Current: %-17s %-12s %-7d %s\n" 612 "---------available modes---------\n" 613 "0: %-17s %-12s %-7d %s\n" 614 "1: %-17s %-12s %-7d %s\n" 615 "2: %-17s %-12s %-7d %s\n" 616 "3: %-17s %-12s %-7d %s\n", 617 denstostring(bp->mt_density), getblksiz(bp->mt_blksiz), 618 denstobp(bp->mt_density, TRUE), comptostring(bp->mt_comp), 619 denstostring(bp->mt_density0), getblksiz(bp->mt_blksiz0), 620 denstobp(bp->mt_density0, TRUE), comptostring(bp->mt_comp0), 621 denstostring(bp->mt_density1), getblksiz(bp->mt_blksiz1), 622 denstobp(bp->mt_density1, TRUE), comptostring(bp->mt_comp1), 623 denstostring(bp->mt_density2), getblksiz(bp->mt_blksiz2), 624 denstobp(bp->mt_density2, TRUE), comptostring(bp->mt_comp2), 625 denstostring(bp->mt_density3), getblksiz(bp->mt_blksiz3), 626 denstobp(bp->mt_density3, TRUE), comptostring(bp->mt_comp3)); 627 628 if (bp->mt_dsreg != MTIO_DSREG_NIL) { 629 auto char foo[32]; 630 const char *sfmt = "Current Driver State: %s.\n"; 631 printf("---------------------------------\n"); 632 switch (bp->mt_dsreg) { 633 case MTIO_DSREG_REST: 634 printf(sfmt, "at rest"); 635 break; 636 case MTIO_DSREG_RBSY: 637 printf(sfmt, "Communicating with drive"); 638 break; 639 case MTIO_DSREG_WR: 640 printf(sfmt, "Writing"); 641 break; 642 case MTIO_DSREG_FMK: 643 printf(sfmt, "Writing Filemarks"); 644 break; 645 case MTIO_DSREG_ZER: 646 printf(sfmt, "Erasing"); 647 break; 648 case MTIO_DSREG_RD: 649 printf(sfmt, "Reading"); 650 break; 651 case MTIO_DSREG_FWD: 652 printf(sfmt, "Spacing Forward"); 653 break; 654 case MTIO_DSREG_REV: 655 printf(sfmt, "Spacing Reverse"); 656 break; 657 case MTIO_DSREG_POS: 658 printf(sfmt, 659 "Hardware Positioning (direction unknown)"); 660 break; 661 case MTIO_DSREG_REW: 662 printf(sfmt, "Rewinding"); 663 break; 664 case MTIO_DSREG_TEN: 665 printf(sfmt, "Retensioning"); 666 break; 667 case MTIO_DSREG_UNL: 668 printf(sfmt, "Unloading"); 669 break; 670 case MTIO_DSREG_LD: 671 printf(sfmt, "Loading"); 672 break; 673 default: 674 (void) sprintf(foo, "Unknown state 0x%x", bp->mt_dsreg); 675 printf(sfmt, foo); 676 break; 677 } 678 } 679 if (bp->mt_resid == 0 && bp->mt_fileno == (daddr_t) -1 && 680 bp->mt_blkno == (daddr_t) -1) 681 return; 682 printf("---------------------------------\n"); 683 printf("File Number: %ld\tRecord Number: %ld\tResidual Count %d\n", 684 bp->mt_fileno, bp->mt_blkno, bp->mt_resid); 685 } 686 687 void 688 warn_eof(void) 689 { 690 fprintf(stderr, 691 "The \"eof\" command has been disabled.\n" 692 "Use \"weof\" if you really want to write end-of-file marks,\n" 693 "or \"eom\" if you rather want to skip to the end of " 694 "recorded medium.\n"); 695 exit(1); 696 } 697 698 #endif /* defined (__DragonFly__) */ 699