mt.c revision 39260
11590Srgrimes/* 21590Srgrimes * Copyright (c) 1980, 1993 31590Srgrimes * The Regents of the University of California. All rights reserved. 41590Srgrimes * 51590Srgrimes * Redistribution and use in source and binary forms, with or without 61590Srgrimes * modification, are permitted provided that the following conditions 71590Srgrimes * are met: 81590Srgrimes * 1. Redistributions of source code must retain the above copyright 91590Srgrimes * notice, this list of conditions and the following disclaimer. 101590Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111590Srgrimes * notice, this list of conditions and the following disclaimer in the 121590Srgrimes * documentation and/or other materials provided with the distribution. 131590Srgrimes * 3. All advertising materials mentioning features or use of this software 141590Srgrimes * must display the following acknowledgement: 151590Srgrimes * This product includes software developed by the University of 161590Srgrimes * California, Berkeley and its contributors. 171590Srgrimes * 4. Neither the name of the University nor the names of its contributors 181590Srgrimes * may be used to endorse or promote products derived from this software 191590Srgrimes * without specific prior written permission. 201590Srgrimes * 211590Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221590Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231590Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241590Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251590Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261590Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271590Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281590Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291590Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301590Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311590Srgrimes * SUCH DAMAGE. 321590Srgrimes */ 331590Srgrimes 341590Srgrimes#ifndef lint 3527752Scharnierstatic const char copyright[] = 361590Srgrimes"@(#) Copyright (c) 1980, 1993\n\ 371590Srgrimes The Regents of the University of California. All rights reserved.\n"; 381590Srgrimes#endif /* not lint */ 391590Srgrimes 401590Srgrimes#ifndef lint 4127752Scharnier#if 0 4223693Speterstatic char sccsid[] = "@(#)mt.c 8.2 (Berkeley) 5/4/95"; 4327752Scharnier#endif 4427752Scharnierstatic const char rcsid[] = 4535305Sphk "$Id: mt.c,v 1.13 1997/08/21 05:49:29 joerg Exp $"; 461590Srgrimes#endif /* not lint */ 471590Srgrimes 481590Srgrimes/* 491590Srgrimes * mt -- 501590Srgrimes * magnetic tape manipulation program 511590Srgrimes */ 521590Srgrimes#include <sys/types.h> 531590Srgrimes#include <sys/ioctl.h> 541590Srgrimes#include <sys/mtio.h> 5523693Speter 5623693Speter#include <ctype.h> 5727752Scharnier#include <err.h> 581590Srgrimes#include <fcntl.h> 5923693Speter#include <stdio.h> 601590Srgrimes#include <stdlib.h> 611590Srgrimes#include <string.h> 6223693Speter#include <unistd.h> 631590Srgrimes 647913Sjoerg/* the appropriate sections of <sys/mtio.h> are also #ifdef'd for FreeBSD */ 657913Sjoerg#if defined(__FreeBSD__) 667913Sjoerg/* c_flags */ 677913Sjoerg#define NEED_2ARGS 0x01 687929Sjoerg#define ZERO_ALLOWED 0x02 697929Sjoerg#define IS_DENSITY 0x04 709541Sjoerg#define DISABLE_THIS 0x08 7139260Sgibbs#define IS_COMP 0x10 727913Sjoerg#endif /* defined(__FreeBSD__) */ 737913Sjoerg 7439260Sgibbs#ifndef TRUE 7539260Sgibbs#define TRUE 1 7639260Sgibbs#endif 7739260Sgibbs#ifndef FALSE 7839260Sgibbs#define FALSE 0 7939260Sgibbs#endif 8039260Sgibbs 811590Srgrimesstruct commands { 821590Srgrimes char *c_name; 831590Srgrimes int c_code; 841590Srgrimes int c_ronly; 857913Sjoerg#if defined(__FreeBSD__) 867913Sjoerg int c_flags; 877913Sjoerg#endif /* defined(__FreeBSD__) */ 881590Srgrimes} com[] = { 891590Srgrimes { "bsf", MTBSF, 1 }, 901590Srgrimes { "bsr", MTBSR, 1 }, 919541Sjoerg#if defined(__FreeBSD__) 929541Sjoerg /* XXX FreeBSD considered "eof" dangerous, since it's being 939541Sjoerg confused with "eom" (and is an alias for "weof" anyway) */ 949541Sjoerg { "eof", MTWEOF, 0, DISABLE_THIS }, 959541Sjoerg#else 969541Sjoerg { "eof", MTWEOF, 0 }, 979541Sjoerg#endif 981590Srgrimes { "fsf", MTFSF, 1 }, 991590Srgrimes { "fsr", MTFSR, 1 }, 1001590Srgrimes { "offline", MTOFFL, 1 }, 1011590Srgrimes { "rewind", MTREW, 1 }, 1021590Srgrimes { "rewoffl", MTOFFL, 1 }, 1031590Srgrimes { "status", MTNOP, 1 }, 1041590Srgrimes { "weof", MTWEOF, 0 }, 1057913Sjoerg#if defined(__FreeBSD__) 10639260Sgibbs { "erase", MTERASE, 0, ZERO_ALLOWED}, 1077913Sjoerg { "blocksize", MTSETBSIZ, 0, NEED_2ARGS|ZERO_ALLOWED }, 1087929Sjoerg { "density", MTSETDNSTY, 0, NEED_2ARGS|ZERO_ALLOWED|IS_DENSITY }, 1097913Sjoerg { "eom", MTEOD, 1 }, 11028492Sjoerg { "eod", MTEOD, 1 }, 11139260Sgibbs { "comp", MTCOMP, 0, NEED_2ARGS|ZERO_ALLOWED|IS_COMP }, 11213401Sjoerg { "retension", MTRETENS, 1 }, 1137913Sjoerg#endif /* defined(__FreeBSD__) */ 1141590Srgrimes { NULL } 1151590Srgrimes}; 1161590Srgrimes 1171590Srgrimesvoid printreg __P((char *, u_int, char *)); 1181590Srgrimesvoid status __P((struct mtget *)); 1191590Srgrimesvoid usage __P((void)); 1207913Sjoerg#if defined (__FreeBSD__) 1217913Sjoergvoid st_status (struct mtget *); 1227929Sjoergint stringtodens (const char *s); 1237929Sjoergconst char *denstostring (int d); 12439260Sgibbsint denstobp(int d, int bpi); 12539260Sgibbsu_int32_t stringtocomp(const char *s); 12639260Sgibbsconst char * comptostring(u_int32_t comp); 1279541Sjoergvoid warn_eof __P((void)); 1287913Sjoerg#endif /* defined (__FreeBSD__) */ 1291590Srgrimes 1301590Srgrimesint 1311590Srgrimesmain(argc, argv) 1321590Srgrimes int argc; 1331590Srgrimes char *argv[]; 1341590Srgrimes{ 1351590Srgrimes register struct commands *comp; 1361590Srgrimes struct mtget mt_status; 1371590Srgrimes struct mtop mt_com; 1381590Srgrimes int ch, len, mtfd; 1391590Srgrimes char *p, *tape; 1401590Srgrimes 1411590Srgrimes if ((tape = getenv("TAPE")) == NULL) 1421590Srgrimes tape = DEFTAPE; 1431590Srgrimes 14424360Simp while ((ch = getopt(argc, argv, "f:t:")) != -1) 1451590Srgrimes switch(ch) { 1461590Srgrimes case 'f': 1471590Srgrimes case 't': 1481590Srgrimes tape = optarg; 1491590Srgrimes break; 1501590Srgrimes case '?': 1511590Srgrimes default: 1521590Srgrimes usage(); 1531590Srgrimes } 1541590Srgrimes argc -= optind; 1551590Srgrimes argv += optind; 1561590Srgrimes 1571590Srgrimes if (argc < 1 || argc > 2) 1581590Srgrimes usage(); 1591590Srgrimes 1601590Srgrimes len = strlen(p = *argv++); 1611590Srgrimes for (comp = com;; comp++) { 1621590Srgrimes if (comp->c_name == NULL) 16327752Scharnier errx(1, "%s: unknown command", p); 1641590Srgrimes if (strncmp(p, comp->c_name, len) == 0) 1651590Srgrimes break; 1661590Srgrimes } 1677913Sjoerg#if defined(__FreeBSD__) 1687913Sjoerg if((comp->c_flags & NEED_2ARGS) && argc != 2) 1697913Sjoerg usage(); 1709541Sjoerg if(comp->c_flags & DISABLE_THIS) { 1719541Sjoerg warn_eof(); 1729541Sjoerg } 1737913Sjoerg#endif /* defined(__FreeBSD__) */ 1741590Srgrimes if ((mtfd = open(tape, comp->c_ronly ? O_RDONLY : O_RDWR)) < 0) 17527752Scharnier err(1, "%s", tape); 1761590Srgrimes if (comp->c_code != MTNOP) { 1771590Srgrimes mt_com.mt_op = comp->c_code; 1781590Srgrimes if (*argv) { 1797913Sjoerg#if defined (__FreeBSD__) 1807929Sjoerg if (!isdigit(**argv) && 1817929Sjoerg comp->c_flags & IS_DENSITY) { 1827929Sjoerg const char *dcanon; 1837929Sjoerg mt_com.mt_count = stringtodens(*argv); 1847929Sjoerg if (mt_com.mt_count == 0) 18527752Scharnier errx(1, "%s: unknown density", *argv); 1867929Sjoerg dcanon = denstostring(mt_com.mt_count); 1877929Sjoerg if (strcmp(dcanon, *argv) != 0) 1887929Sjoerg printf( 1897929Sjoerg "Using \"%s\" as an alias for %s\n", 1907929Sjoerg *argv, dcanon); 1917929Sjoerg p = ""; 19239260Sgibbs } else if (!isdigit(**argv) && 19339260Sgibbs comp->c_flags & IS_COMP) { 19439260Sgibbs 19539260Sgibbs mt_com.mt_count = stringtocomp(*argv); 19639260Sgibbs if ((u_int32_t)mt_com.mt_count == 0xf0f0f0f0) 19739260Sgibbs errx(1, "%s: unknown compression", 19839260Sgibbs *argv); 19939260Sgibbs p = ""; 2007929Sjoerg } else 2017929Sjoerg /* allow for hex numbers; useful for density */ 2027929Sjoerg mt_com.mt_count = strtol(*argv, &p, 0); 2037913Sjoerg#else 2041590Srgrimes mt_com.mt_count = strtol(*argv, &p, 10); 2057913Sjoerg#endif /* defined(__FreeBSD__) */ 2067913Sjoerg if (mt_com.mt_count <= 2077913Sjoerg#if defined (__FreeBSD__) 2087913Sjoerg ((comp->c_flags & ZERO_ALLOWED)? -1: 0) 20939260Sgibbs && ((comp->c_flags & IS_COMP) == 0) 2107913Sjoerg#else 2117913Sjoerg 0 2127913Sjoerg#endif /* defined (__FreeBSD__) */ 2137913Sjoerg || *p) 21427752Scharnier errx(1, "%s: illegal count", *argv); 2151590Srgrimes } 2161590Srgrimes else 2171590Srgrimes mt_com.mt_count = 1; 2181590Srgrimes if (ioctl(mtfd, MTIOCTOP, &mt_com) < 0) 21927752Scharnier err(1, "%s: %s", tape, comp->c_name); 2201590Srgrimes } else { 2211590Srgrimes if (ioctl(mtfd, MTIOCGET, &mt_status) < 0) 22227752Scharnier err(1, NULL); 2231590Srgrimes status(&mt_status); 2241590Srgrimes } 2251590Srgrimes exit (0); 2261590Srgrimes /* NOTREACHED */ 2271590Srgrimes} 2281590Srgrimes 2291590Srgrimes#ifdef vax 2301590Srgrimes#include <vax/mba/mtreg.h> 2311590Srgrimes#include <vax/mba/htreg.h> 2321590Srgrimes 2331590Srgrimes#include <vax/uba/utreg.h> 2341590Srgrimes#include <vax/uba/tmreg.h> 2351590Srgrimes#undef b_repcnt /* argh */ 2361590Srgrimes#include <vax/uba/tsreg.h> 2371590Srgrimes#endif 2381590Srgrimes 2391590Srgrimes#ifdef sun 2401590Srgrimes#include <sundev/tmreg.h> 2411590Srgrimes#include <sundev/arreg.h> 2421590Srgrimes#endif 2431590Srgrimes 2441590Srgrimes#ifdef tahoe 2451590Srgrimes#include <tahoe/vba/cyreg.h> 2461590Srgrimes#endif 2471590Srgrimes 24814176Sjoerg#ifdef __FreeBSD__ 24914176Sjoerg#include <machine/wtio.h> 25014176Sjoerg#endif 25114176Sjoerg 2521590Srgrimesstruct tape_desc { 2531590Srgrimes short t_type; /* type of magtape device */ 2541590Srgrimes char *t_name; /* printing name */ 2551590Srgrimes char *t_dsbits; /* "drive status" register */ 2561590Srgrimes char *t_erbits; /* "error" register */ 2571590Srgrimes} tapes[] = { 2581590Srgrimes#ifdef vax 2591590Srgrimes { MT_ISTS, "ts11", 0, TSXS0_BITS }, 2601590Srgrimes { MT_ISHT, "tm03", HTDS_BITS, HTER_BITS }, 2611590Srgrimes { MT_ISTM, "tm11", 0, TMER_BITS }, 2621590Srgrimes { MT_ISMT, "tu78", MTDS_BITS, 0 }, 2631590Srgrimes { MT_ISUT, "tu45", UTDS_BITS, UTER_BITS }, 2641590Srgrimes#endif 2651590Srgrimes#ifdef sun 2661590Srgrimes { MT_ISCPC, "TapeMaster", TMS_BITS, 0 }, 2671590Srgrimes { MT_ISAR, "Archive", ARCH_CTRL_BITS, ARCH_BITS }, 2681590Srgrimes#endif 2691590Srgrimes#ifdef tahoe 2701590Srgrimes { MT_ISCY, "cipher", CYS_BITS, CYCW_BITS }, 2711590Srgrimes#endif 2727913Sjoerg#if defined (__FreeBSD__) 2737913Sjoerg /* 27414176Sjoerg * XXX This is weird. The st driver reports the tape drive 2757913Sjoerg * as 0x7 (MT_ISAR - Sun/Archive compatible); the wt driver 2767913Sjoerg * either reports MT_ISVIPER1 for an Archive tape, or 0x11 2777913Sjoerg * (MT_ISMFOUR) for other tapes. 2787913Sjoerg * XXX for the wt driver, rely on it behaving like a "standard" 2797913Sjoerg * magtape driver. 2807913Sjoerg */ 2817913Sjoerg { MT_ISAR, "SCSI tape drive", 0, 0 }, 28214176Sjoerg { MT_ISVIPER1, "Archive Viper", WTDS_BITS, WTER_BITS }, 28314176Sjoerg { MT_ISMFOUR, "Wangtek", WTDS_BITS, WTER_BITS }, 2847913Sjoerg#endif /* defined (__FreeBSD__) */ 2851590Srgrimes { 0 } 2861590Srgrimes}; 2871590Srgrimes 2881590Srgrimes/* 2891590Srgrimes * Interpret the status buffer returned 2901590Srgrimes */ 2911590Srgrimesvoid 2921590Srgrimesstatus(bp) 2931590Srgrimes register struct mtget *bp; 2941590Srgrimes{ 2951590Srgrimes register struct tape_desc *mt; 2961590Srgrimes 2971590Srgrimes for (mt = tapes;; mt++) { 2981590Srgrimes if (mt->t_type == 0) { 2991590Srgrimes (void)printf("%d: unknown tape drive type\n", 3001590Srgrimes bp->mt_type); 3011590Srgrimes return; 3021590Srgrimes } 3031590Srgrimes if (mt->t_type == bp->mt_type) 3041590Srgrimes break; 3051590Srgrimes } 3067913Sjoerg#if defined (__FreeBSD__) 3077913Sjoerg if(mt->t_type == MT_ISAR) 3087913Sjoerg st_status(bp); 3097913Sjoerg else { 3107913Sjoerg#endif /* defined (__FreeBSD__) */ 3111590Srgrimes (void)printf("%s tape drive, residual=%d\n", mt->t_name, bp->mt_resid); 31214176Sjoerg printreg("ds", (unsigned short)bp->mt_dsreg, mt->t_dsbits); 31314176Sjoerg printreg("\ner", (unsigned short)bp->mt_erreg, mt->t_erbits); 3141590Srgrimes (void)putchar('\n'); 3157913Sjoerg#if defined (__FreeBSD__) 3167913Sjoerg } 3177913Sjoerg#endif /* defined (__FreeBSD__) */ 3181590Srgrimes} 3191590Srgrimes 3201590Srgrimes/* 3211590Srgrimes * Print a register a la the %b format of the kernel's printf. 3221590Srgrimes */ 3231590Srgrimesvoid 3241590Srgrimesprintreg(s, v, bits) 3251590Srgrimes char *s; 3261590Srgrimes register u_int v; 3271590Srgrimes register char *bits; 3281590Srgrimes{ 3291590Srgrimes register int i, any = 0; 3301590Srgrimes register char c; 3311590Srgrimes 3321590Srgrimes if (bits && *bits == 8) 3331590Srgrimes printf("%s=%o", s, v); 3341590Srgrimes else 3351590Srgrimes printf("%s=%x", s, v); 33611608Sbde if (!bits) 33711608Sbde return; 3381590Srgrimes bits++; 3391590Srgrimes if (v && bits) { 3401590Srgrimes putchar('<'); 34127752Scharnier while ((i = *bits++)) { 3421590Srgrimes if (v & (1 << (i-1))) { 3431590Srgrimes if (any) 3441590Srgrimes putchar(','); 3451590Srgrimes any = 1; 3461590Srgrimes for (; (c = *bits) > 32; bits++) 3471590Srgrimes putchar(c); 3481590Srgrimes } else 3491590Srgrimes for (; *bits > 32; bits++) 3501590Srgrimes ; 3511590Srgrimes } 3521590Srgrimes putchar('>'); 3531590Srgrimes } 3541590Srgrimes} 3551590Srgrimes 3561590Srgrimesvoid 3571590Srgrimesusage() 3581590Srgrimes{ 3591590Srgrimes (void)fprintf(stderr, "usage: mt [-f device] command [ count ]\n"); 3601590Srgrimes exit(1); 3611590Srgrimes} 3621590Srgrimes 3637913Sjoerg#if defined (__FreeBSD__) 3647913Sjoerg 3657913Sjoergstruct densities { 3667913Sjoerg int dens; 36739260Sgibbs int bpmm; 36839260Sgibbs int bpi; 3697913Sjoerg const char *name; 37039260Sgibbs} dens[] = { 37139260Sgibbs /* 37239260Sgibbs * Taken from T10 Project 997D 37339260Sgibbs * SCSI-3 Stream Device Commands (SSC) 37439260Sgibbs * Revision 11, 4-Nov-97 37539260Sgibbs */ 37639260Sgibbs /*Num. bpmm bpi Reference */ 37739260Sgibbs { 0x1, 32, 800, "X3.22-1983" }, 37839260Sgibbs { 0x2, 63, 1600, "X3.39-1986" }, 37939260Sgibbs { 0x3, 246, 6250, "X3.54-1986" }, 38039260Sgibbs { 0x5, 315, 8000, "X3.136-1986" }, 38139260Sgibbs { 0x6, 126, 3200, "X3.157-1987" }, 38239260Sgibbs { 0x7, 252, 6400, "X3.116-1986" }, 38339260Sgibbs { 0x8, 315, 8000, "X3.158-1987" }, 38439260Sgibbs { 0x9, 491, 37871, "X3.180" }, 38539260Sgibbs { 0xA, 262, 6667, "X3B5/86-199" }, 38639260Sgibbs { 0xB, 63, 1600, "X3.56-1986" }, 38739260Sgibbs { 0xC, 500, 12690, "HI-TC1" }, 38839260Sgibbs { 0xD, 999, 25380, "HI-TC2" }, 38939260Sgibbs { 0xF, 394, 10000, "QIC-120" }, 39039260Sgibbs { 0x10, 394, 10000, "QIC-150" }, 39139260Sgibbs { 0x11, 630, 16000, "QIC-320" }, 39239260Sgibbs { 0x12, 2034, 51667, "QIC-1350" }, 39339260Sgibbs { 0x13, 2400, 61000, "X3B5/88-185A" }, 39439260Sgibbs { 0x14, 1703, 43245, "X3.202-1991" }, 39539260Sgibbs { 0x15, 1789, 45434, "ECMA TC17" }, 39639260Sgibbs { 0x16, 394, 10000, "X3.193-1990" }, 39739260Sgibbs { 0x17, 1673, 42500, "X3B5/91-174" }, 39839260Sgibbs { 0x18, 1673, 42500, "X3B5/92-50" }, 39939260Sgibbs { 0x1C, 1654, 42000, "QIC-385M" }, 40039260Sgibbs { 0x1D, 1512, 38400, "QIC-410M" }, 40139260Sgibbs { 0x1E, 1385, 36000, "QIC-1000C" }, 40239260Sgibbs { 0x1F, 2666, 67733, "QIC-2100C" }, 40339260Sgibbs { 0x20, 2666, 67733, "QIC-6GB(M)" }, 40439260Sgibbs { 0x21, 2666, 67733, "QIC-20GB(C)" }, 40539260Sgibbs { 0x22, 1600, 40640, "QIC-2GB(C)" }, 40639260Sgibbs { 0x23, 2666, 67733, "QIC-875M" }, 40739260Sgibbs { 0x24, 2400, 61000, "DDS-2" }, 40839260Sgibbs { 0x25, 3816, 97000, "DDS-3" }, 40939260Sgibbs { 0x26, 3816, 97000, "DDS-4" }, 41039260Sgibbs { 0x27, 3056, 77611, "Mammoth" }, 41139260Sgibbs { 0x28, 1491, 37871, "X3.224" }, 41239260Sgibbs { 0, 0, 0, NULL } 4137913Sjoerg}; 4147913Sjoerg 41539260Sgibbsstruct compression_types { 41639260Sgibbs u_int32_t comp_number; 41739260Sgibbs const char *name; 41839260Sgibbs} comp_types[] = { 41939260Sgibbs { 0x00, "none" }, 42039260Sgibbs { 0x00, "off" }, 42139260Sgibbs { 0x10, "IDRC" }, 42239260Sgibbs { 0x20, "DCLZ" }, 42339260Sgibbs { 0xffffffff, "enable" }, 42439260Sgibbs { 0xffffffff, "on" }, 42539260Sgibbs { 0xf0f0f0f0, NULL} 42639260Sgibbs}; 42739260Sgibbs 4287913Sjoergconst char * 4297929Sjoergdenstostring(int d) 4307913Sjoerg{ 4317913Sjoerg static char buf[20]; 4327913Sjoerg struct densities *sd; 4337913Sjoerg 4347913Sjoerg for (sd = dens; sd->dens; sd++) 4357913Sjoerg if (sd->dens == d) 4367913Sjoerg break; 4377913Sjoerg if (sd->dens == 0) { 4387929Sjoerg sprintf(buf, "0x%02x", d); 4397913Sjoerg return buf; 4407929Sjoerg } else 4417913Sjoerg return sd->name; 4427913Sjoerg} 4437913Sjoerg 44439260Sgibbs/* 44539260Sgibbs * Given a specific density number, return either the bits per inch or bits 44639260Sgibbs * per millimeter for the given density. 44739260Sgibbs */ 4487929Sjoergint 44939260Sgibbsdenstobp(int d, int bpi) 45039260Sgibbs{ 45139260Sgibbs struct densities *sd; 45239260Sgibbs 45339260Sgibbs for (sd = dens; sd->dens; sd++) 45439260Sgibbs if (sd->dens == d) 45539260Sgibbs break; 45639260Sgibbs if (sd->dens == 0) 45739260Sgibbs return(0); 45839260Sgibbs else { 45939260Sgibbs if (bpi) 46039260Sgibbs return(sd->bpi); 46139260Sgibbs else 46239260Sgibbs return(sd->bpmm); 46339260Sgibbs } 46439260Sgibbs} 46539260Sgibbs 46639260Sgibbsint 4677929Sjoergstringtodens(const char *s) 4687929Sjoerg{ 4697929Sjoerg struct densities *sd; 4707929Sjoerg size_t l = strlen(s); 4717929Sjoerg 4727929Sjoerg for (sd = dens; sd->dens; sd++) 4737929Sjoerg if (strncasecmp(sd->name, s, l) == 0) 4747929Sjoerg break; 4757929Sjoerg return sd->dens; 4767929Sjoerg} 4777929Sjoerg 4787929Sjoerg 4797913Sjoergconst char * 4807913Sjoerggetblksiz(int bs) 4817913Sjoerg{ 4827913Sjoerg static char buf[25]; 4837913Sjoerg if (bs == 0) 4847913Sjoerg return "variable"; 4857913Sjoerg else { 48639260Sgibbs sprintf(buf, "%d bytes", bs); 4877913Sjoerg return buf; 4887913Sjoerg } 4897913Sjoerg} 4907913Sjoerg 49139260Sgibbsconst char * 49239260Sgibbscomptostring(u_int32_t comp) 49339260Sgibbs{ 49439260Sgibbs static char buf[20]; 49539260Sgibbs struct compression_types *ct; 4967913Sjoerg 49739260Sgibbs if (comp == MT_COMP_DISABLED) 49839260Sgibbs return "disabled"; 49939260Sgibbs else if (comp == MT_COMP_UNSUPP) 50039260Sgibbs return "unsupported"; 50139260Sgibbs 50239260Sgibbs for (ct = comp_types; ct->name; ct++) 50339260Sgibbs if (ct->comp_number == comp) 50439260Sgibbs break; 50539260Sgibbs 50639260Sgibbs if (ct->comp_number == 0xf0f0f0f0) { 50739260Sgibbs sprintf(buf, "0x%2x", comp); 50839260Sgibbs return(buf); 50939260Sgibbs } else 51039260Sgibbs return(ct->name); 51139260Sgibbs} 51239260Sgibbs 51339260Sgibbsu_int32_t 51439260Sgibbsstringtocomp(const char *s) 51539260Sgibbs{ 51639260Sgibbs struct compression_types *ct; 51739260Sgibbs size_t l = strlen(s); 51839260Sgibbs 51939260Sgibbs for (ct = comp_types; ct->name; ct++) 52039260Sgibbs if (strncasecmp(ct->name, s, l) == 0) 52139260Sgibbs break; 52239260Sgibbs 52339260Sgibbs return(ct->comp_number); 52439260Sgibbs} 52539260Sgibbs 5267913Sjoergvoid 5277913Sjoergst_status(struct mtget *bp) 5287913Sjoerg{ 52939260Sgibbs printf("Mode Density Blocksize bpi " 53039260Sgibbs "Compression\n" 53139260Sgibbs "Current: %-12s %-12s %-7d %s\n" 53239260Sgibbs "---------available modes---------\n" 53339260Sgibbs "0: %-12s %-12s %-7d %s\n" 53439260Sgibbs "1: %-12s %-12s %-7d %s\n" 53539260Sgibbs "2: %-12s %-12s %-7d %s\n" 53639260Sgibbs "3: %-12s %-12s %-7d %s\n", 53739260Sgibbs denstostring(bp->mt_density), getblksiz(bp->mt_blksiz), 53839260Sgibbs denstobp(bp->mt_density, TRUE), comptostring(bp->mt_comp), 53939260Sgibbs denstostring(bp->mt_density0), getblksiz(bp->mt_blksiz0), 54039260Sgibbs denstobp(bp->mt_density0, TRUE), comptostring(bp->mt_comp0), 54139260Sgibbs denstostring(bp->mt_density1), getblksiz(bp->mt_blksiz1), 54239260Sgibbs denstobp(bp->mt_density1, TRUE), comptostring(bp->mt_comp1), 54339260Sgibbs denstostring(bp->mt_density2), getblksiz(bp->mt_blksiz2), 54439260Sgibbs denstobp(bp->mt_density2, TRUE), comptostring(bp->mt_comp2), 54539260Sgibbs denstostring(bp->mt_density3), getblksiz(bp->mt_blksiz3), 54639260Sgibbs denstobp(bp->mt_density3, TRUE), comptostring(bp->mt_comp3)); 5477913Sjoerg} 5487913Sjoerg 5499541Sjoergvoid 5509541Sjoergwarn_eof(void) 5519541Sjoerg{ 5529541Sjoerg fprintf(stderr, 5539541Sjoerg "The \"eof\" command has been disabled.\n" 5549541Sjoerg "Use \"weof\" if you really want to write end-of-file marks,\n" 5559541Sjoerg "or \"eom\" if you rather want to skip to the end of " 5569541Sjoerg "recorded medium.\n"); 5579541Sjoerg exit(1); 5589541Sjoerg} 5599541Sjoerg 5607913Sjoerg#endif /* defined (__FreeBSD__) */ 561