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/*
* Copyright (c) 1980, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
static const char copyright[] =
"@(#) Copyright (c) 1980, 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)mt.c 8.2 (Berkeley) 5/4/95";
#endif
#endif /* not lint */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/*
* mt --
* magnetic tape manipulation program
*/
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/mtio.h>
#include <ctype.h>
#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
/* the appropriate sections of <sys/mtio.h> are also #ifdef'd for FreeBSD */
/* c_flags */
#define NEED_2ARGS 0x01
#define ZERO_ALLOWED 0x02
#define IS_DENSITY 0x04
#define DISABLE_THIS 0x08
#define IS_COMP 0x10
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
static const struct commands {
const char *c_name;
int c_code;
int c_ronly;
int c_flags;
} com[] = {
{ "bsf", MTBSF, 1, 0 },
{ "bsr", MTBSR, 1, 0 },
/* XXX FreeBSD considered "eof" dangerous, since it's being
confused with "eom" (and is an alias for "weof" anyway) */
{ "eof", MTWEOF, 0, DISABLE_THIS },
{ "fsf", MTFSF, 1, 0 },
{ "fsr", MTFSR, 1, 0 },
{ "offline", MTOFFL, 1, 0 },
{ "rewind", MTREW, 1, 0 },
{ "rewoffl", MTOFFL, 1, 0 },
{ "status", MTNOP, 1, 0 },
{ "weof", MTWEOF, 0, ZERO_ALLOWED },
{ "erase", MTERASE, 0, ZERO_ALLOWED},
{ "blocksize", MTSETBSIZ, 0, NEED_2ARGS|ZERO_ALLOWED },
{ "density", MTSETDNSTY, 0, NEED_2ARGS|ZERO_ALLOWED|IS_DENSITY },
{ "eom", MTEOD, 1, 0 },
{ "eod", MTEOD, 1, 0 },
{ "smk", MTWSS, 0, 0 },
{ "wss", MTWSS, 0, 0 },
{ "fss", MTFSS, 1, 0 },
{ "bss", MTBSS, 1, 0 },
{ "comp", MTCOMP, 0, NEED_2ARGS|ZERO_ALLOWED|IS_COMP },
{ "retension", MTRETENS, 1, 0 },
{ "rdhpos", MTIOCRDHPOS, 0, 0 },
{ "rdspos", MTIOCRDSPOS, 0, 0 },
{ "sethpos", MTIOCHLOCATE, 0, NEED_2ARGS|ZERO_ALLOWED },
{ "setspos", MTIOCSLOCATE, 0, NEED_2ARGS|ZERO_ALLOWED },
{ "errstat", MTIOCERRSTAT, 0, 0 },
{ "setmodel", MTIOCSETEOTMODEL, 0, NEED_2ARGS|ZERO_ALLOWED },
{ "seteotmodel", MTIOCSETEOTMODEL, 0, NEED_2ARGS|ZERO_ALLOWED },
{ "getmodel", MTIOCGETEOTMODEL, 0, 0 },
{ "geteotmodel", MTIOCGETEOTMODEL, 0, 0 },
{ NULL, 0, 0, 0 }
};
static const char *getblksiz(int);
static void printreg(const char *, u_int, const char *);
static void status(struct mtget *);
static void usage(void);
static void st_status(struct mtget *);
static int stringtodens(const char *s);
static const char *denstostring(int d);
static int denstobp(int d, int bpi);
static u_int32_t stringtocomp(const char *s);
static const char *comptostring(u_int32_t comp);
static void warn_eof(void);
int
main(int argc, char *argv[])
{
const struct commands *comp;
struct mtget mt_status;
struct mtop mt_com;
int ch, len, mtfd;
const char *p, *tape;
if ((tape = getenv("TAPE")) == NULL)
tape = DEFTAPE;
while ((ch = getopt(argc, argv, "f:t:")) != -1)
switch(ch) {
case 'f':
case 't':
tape = optarg;
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
if (argc < 1 || argc > 2)
usage();
len = strlen(p = *argv++);
for (comp = com;; comp++) {
if (comp->c_name == NULL)
errx(1, "%s: unknown command", p);
if (strncmp(p, comp->c_name, len) == 0)
break;
}
if((comp->c_flags & NEED_2ARGS) && argc != 2)
usage();
if(comp->c_flags & DISABLE_THIS) {
warn_eof();
}
if ((mtfd = open(tape, comp->c_ronly ? O_RDONLY : O_RDWR)) < 0)
err(1, "%s", tape);
if (comp->c_code != MTNOP) {
mt_com.mt_op = comp->c_code;
if (*argv) {
if (!isdigit(**argv) &&
(comp->c_flags & IS_DENSITY)) {
const char *dcanon;
mt_com.mt_count = stringtodens(*argv);
if (mt_com.mt_count == 0)
errx(1, "%s: unknown density", *argv);
dcanon = denstostring(mt_com.mt_count);
if (strcmp(dcanon, *argv) != 0)
printf(
"Using \"%s\" as an alias for %s\n",
*argv, dcanon);
p = "";
} else if (!isdigit(**argv) &&
(comp->c_flags & IS_COMP)) {
mt_com.mt_count = stringtocomp(*argv);
if ((u_int32_t)mt_com.mt_count == 0xf0f0f0f0)
errx(1, "%s: unknown compression",
*argv);
p = "";
} else {
char *q;
/* allow for hex numbers; useful for density */
mt_com.mt_count = strtol(*argv, &q, 0);
p = q;
}
if ((mt_com.mt_count <=
((comp->c_flags & ZERO_ALLOWED)? -1: 0)
&& ((comp->c_flags & IS_COMP) == 0)
) || *p)
errx(1, "%s: illegal count", *argv);
}
else
mt_com.mt_count = 1;
switch (comp->c_code) {
case MTIOCERRSTAT:
{
unsigned int i;
union mterrstat umn;
struct scsi_tape_errors *s = &umn.scsi_errstat;
if (ioctl(mtfd, comp->c_code, (caddr_t)&umn) < 0)
err(2, "%s", tape);
(void)printf("Last I/O Residual: %u\n", s->io_resid);
(void)printf(" Last I/O Command:");
for (i = 0; i < sizeof (s->io_cdb); i++)
(void)printf(" %02X", s->io_cdb[i]);
(void)printf("\n");
(void)printf(" Last I/O Sense:\n\n\t");
for (i = 0; i < sizeof (s->io_sense); i++) {
(void)printf(" %02X", s->io_sense[i]);
if (((i + 1) & 0xf) == 0) {
(void)printf("\n\t");
}
}
(void)printf("\n");
(void)printf("Last Control Residual: %u\n",
s->ctl_resid);
(void)printf(" Last Control Command:");
for (i = 0; i < sizeof (s->ctl_cdb); i++)
(void)printf(" %02X", s->ctl_cdb[i]);
(void)printf("\n");
(void)printf(" Last Control Sense:\n\n\t");
for (i = 0; i < sizeof (s->ctl_sense); i++) {
(void)printf(" %02X", s->ctl_sense[i]);
if (((i + 1) & 0xf) == 0) {
(void)printf("\n\t");
}
}
(void)printf("\n\n");
exit(0);
/* NOTREACHED */
}
case MTIOCRDHPOS:
case MTIOCRDSPOS:
{
u_int32_t block;
if (ioctl(mtfd, comp->c_code, (caddr_t)&block) < 0)
err(2, "%s", tape);
(void)printf("%s: %s block location %u\n", tape,
(comp->c_code == MTIOCRDHPOS)? "hardware" :
"logical", block);
exit(0);
/* NOTREACHED */
}
case MTIOCSLOCATE:
case MTIOCHLOCATE:
{
u_int32_t block = (u_int32_t)mt_com.mt_count;
if (ioctl(mtfd, comp->c_code, (caddr_t)&block) < 0)
err(2, "%s", tape);
exit(0);
/* NOTREACHED */
}
case MTIOCGETEOTMODEL:
{
u_int32_t om;
if (ioctl(mtfd, MTIOCGETEOTMODEL, (caddr_t)&om) < 0)
err(2, "%s", tape);
(void)printf("%s: the model is %u filemar%s at EOT\n",
tape, om, (om > 1)? "ks" : "k");
exit(0);
/* NOTREACHED */
}
case MTIOCSETEOTMODEL:
{
u_int32_t om, nm = (u_int32_t)mt_com.mt_count;
if (ioctl(mtfd, MTIOCGETEOTMODEL, (caddr_t)&om) < 0)
err(2, "%s", tape);
if (ioctl(mtfd, comp->c_code, (caddr_t)&nm) < 0)
err(2, "%s", tape);
(void)printf("%s: old model was %u filemar%s at EOT\n",
tape, om, (om > 1)? "ks" : "k");
(void)printf("%s: new model is %u filemar%s at EOT\n",
tape, nm, (nm > 1)? "ks" : "k");
exit(0);
/* NOTREACHED */
}
default:
break;
}
if (ioctl(mtfd, MTIOCTOP, &mt_com) < 0)
err(1, "%s: %s", tape, comp->c_name);
} else {
if (ioctl(mtfd, MTIOCGET, &mt_status) < 0)
err(1, NULL);
status(&mt_status);
}
exit(0);
/* NOTREACHED */
}
static const struct tape_desc {
short t_type; /* type of magtape device */
const char *t_name; /* printing name */
const char *t_dsbits; /* "drive status" register */
const char *t_erbits; /* "error" register */
} tapes[] = {
{ MT_ISAR, "SCSI tape drive", 0, 0 },
{ 0, NULL, 0, 0 }
};
/*
* Interpret the status buffer returned
*/
static void
status(struct mtget *bp)
{
const struct tape_desc *mt;
for (mt = tapes;; mt++) {
if (mt->t_type == 0) {
(void)printf("%d: unknown tape drive type\n",
bp->mt_type);
return;
}
if (mt->t_type == bp->mt_type)
break;
}
if(mt->t_type == MT_ISAR)
st_status(bp);
else {
(void)printf("%s tape drive, residual=%d\n",
mt->t_name, bp->mt_resid);
printreg("ds", (unsigned short)bp->mt_dsreg, mt->t_dsbits);
printreg("\ner", (unsigned short)bp->mt_erreg, mt->t_erbits);
(void)putchar('\n');
}
}
/*
* Print a register a la the %b format of the kernel's printf.
*/
static void
printreg(const char *s, u_int v, const char *bits)
{
int i, any = 0;
char c;
if (bits && *bits == 8)
printf("%s=%o", s, v);
else
printf("%s=%x", s, v);
if (!bits)
return;
bits++;
if (v && bits) {
putchar('<');
while ((i = *bits++)) {
if (v & (1 << (i-1))) {
if (any)
putchar(',');
any = 1;
for (; (c = *bits) > 32; bits++)
putchar(c);
} else
for (; *bits > 32; bits++)
;
}
putchar('>');
}
}
static void
usage(void)
{
(void)fprintf(stderr, "usage: mt [-f device] command [count]\n");
exit(1);
}
static const struct densities {
int dens;
int bpmm;
int bpi;
const char *name;
} dens[] = {
/*
* Taken from T10 Project 997D
* SCSI-3 Stream Device Commands (SSC)
* Revision 11, 4-Nov-97
*/
/*Num. bpmm bpi Reference */
{ 0x1, 32, 800, "X3.22-1983" },
{ 0x2, 63, 1600, "X3.39-1986" },
{ 0x3, 246, 6250, "X3.54-1986" },
{ 0x5, 315, 8000, "X3.136-1986" },
{ 0x6, 126, 3200, "X3.157-1987" },
{ 0x7, 252, 6400, "X3.116-1986" },
{ 0x8, 315, 8000, "X3.158-1987" },
{ 0x9, 491, 37871, "X3.180" },
{ 0xA, 262, 6667, "X3B5/86-199" },
{ 0xB, 63, 1600, "X3.56-1986" },
{ 0xC, 500, 12690, "HI-TC1" },
{ 0xD, 999, 25380, "HI-TC2" },
{ 0xF, 394, 10000, "QIC-120" },
{ 0x10, 394, 10000, "QIC-150" },
{ 0x11, 630, 16000, "QIC-320" },
{ 0x12, 2034, 51667, "QIC-1350" },
{ 0x13, 2400, 61000, "X3B5/88-185A" },
{ 0x14, 1703, 43245, "X3.202-1991" },
{ 0x15, 1789, 45434, "ECMA TC17" },
{ 0x16, 394, 10000, "X3.193-1990" },
{ 0x17, 1673, 42500, "X3B5/91-174" },
{ 0x18, 1673, 42500, "X3B5/92-50" },
{ 0x19, 2460, 62500, "DLTapeIII" },
{ 0x1A, 3214, 81633, "DLTapeIV(20GB)" },
{ 0x1B, 3383, 85937, "DLTapeIV(35GB)" },
{ 0x1C, 1654, 42000, "QIC-385M" },
{ 0x1D, 1512, 38400, "QIC-410M" },
{ 0x1E, 1385, 36000, "QIC-1000C" },
{ 0x1F, 2666, 67733, "QIC-2100C" },
{ 0x20, 2666, 67733, "QIC-6GB(M)" },
{ 0x21, 2666, 67733, "QIC-20GB(C)" },
{ 0x22, 1600, 40640, "QIC-2GB(C)" },
{ 0x23, 2666, 67733, "QIC-875M" },
{ 0x24, 2400, 61000, "DDS-2" },
{ 0x25, 3816, 97000, "DDS-3" },
{ 0x26, 3816, 97000, "DDS-4" },
{ 0x27, 3056, 77611, "Mammoth" },
{ 0x28, 1491, 37871, "X3.224" },
{ 0x41, 3868, 98250, "DLTapeIV(40GB)" },
{ 0x48, 5236, 133000, "SDLTapeI(110)" },
{ 0x49, 7598, 193000, "SDLTapeI(160)" },
{ 0, 0, 0, NULL }
};
static const struct compression_types {
u_int32_t comp_number;
const char *name;
} comp_types[] = {
{ 0x00, "none" },
{ 0x00, "off" },
{ 0x10, "IDRC" },
{ 0x20, "DCLZ" },
{ 0xffffffff, "enable" },
{ 0xffffffff, "on" },
{ 0xf0f0f0f0, NULL}
};
static const char *
denstostring(int d)
{
static char buf[20];
const struct densities *sd;
/* densities 0 and 0x7f are handled as special cases */
if (d == 0)
return "default";
if (d == 0x7f)
return "same";
for (sd = dens; sd->dens; sd++)
if (sd->dens == d)
break;
if (sd->dens == 0)
sprintf(buf, "0x%02x", d);
else
sprintf(buf, "0x%02x:%s", d, sd->name);
return buf;
}
/*
* Given a specific density number, return either the bits per inch or bits
* per millimeter for the given density.
*/
static int
denstobp(int d, int bpi)
{
const struct densities *sd;
for (sd = dens; sd->dens; sd++)
if (sd->dens == d)
break;
if (sd->dens == 0)
return(0);
else {
if (bpi)
return(sd->bpi);
else
return(sd->bpmm);
}
}
static int
stringtodens(const char *s)
{
const struct densities *sd;
size_t l = strlen(s);
for (sd = dens; sd->dens; sd++)
if (strncasecmp(sd->name, s, l) == 0)
break;
return sd->dens;
}
static const char *
getblksiz(int bs)
{
static char buf[25];
if (bs == 0)
return "variable";
else {
sprintf(buf, "%d bytes", bs);
return buf;
}
}
static const char *
comptostring(u_int32_t comp)
{
static char buf[20];
const struct compression_types *ct;
if (comp == MT_COMP_DISABLED)
return "disabled";
else if (comp == MT_COMP_UNSUPP)
return "unsupported";
for (ct = comp_types; ct->name; ct++)
if (ct->comp_number == comp)
break;
if (ct->comp_number == 0xf0f0f0f0) {
sprintf(buf, "0x%x", comp);
return(buf);
} else
return(ct->name);
}
static u_int32_t
stringtocomp(const char *s)
{
const struct compression_types *ct;
size_t l = strlen(s);
for (ct = comp_types; ct->name; ct++)
if (strncasecmp(ct->name, s, l) == 0)
break;
return(ct->comp_number);
}
static void
st_status(struct mtget *bp)
{
printf("Mode Density Blocksize bpi "
"Compression\n"
"Current: %-17s %-12s %-7d %s\n"
"---------available modes---------\n"
"0: %-17s %-12s %-7d %s\n"
"1: %-17s %-12s %-7d %s\n"
"2: %-17s %-12s %-7d %s\n"
"3: %-17s %-12s %-7d %s\n",
denstostring(bp->mt_density), getblksiz(bp->mt_blksiz),
denstobp(bp->mt_density, TRUE), comptostring(bp->mt_comp),
denstostring(bp->mt_density0), getblksiz(bp->mt_blksiz0),
denstobp(bp->mt_density0, TRUE), comptostring(bp->mt_comp0),
denstostring(bp->mt_density1), getblksiz(bp->mt_blksiz1),
denstobp(bp->mt_density1, TRUE), comptostring(bp->mt_comp1),
denstostring(bp->mt_density2), getblksiz(bp->mt_blksiz2),
denstobp(bp->mt_density2, TRUE), comptostring(bp->mt_comp2),
denstostring(bp->mt_density3), getblksiz(bp->mt_blksiz3),
denstobp(bp->mt_density3, TRUE), comptostring(bp->mt_comp3));
if (bp->mt_dsreg != MTIO_DSREG_NIL) {
auto char foo[32];
const char sfmt[] = "Current Driver State: %s.\n";
printf("---------------------------------\n");
switch (bp->mt_dsreg) {
case MTIO_DSREG_REST:
printf(sfmt, "at rest");
break;
case MTIO_DSREG_RBSY:
printf(sfmt, "Communicating with drive");
break;
case MTIO_DSREG_WR:
printf(sfmt, "Writing");
break;
case MTIO_DSREG_FMK:
printf(sfmt, "Writing Filemarks");
break;
case MTIO_DSREG_ZER:
printf(sfmt, "Erasing");
break;
case MTIO_DSREG_RD:
printf(sfmt, "Reading");
break;
case MTIO_DSREG_FWD:
printf(sfmt, "Spacing Forward");
break;
case MTIO_DSREG_REV:
printf(sfmt, "Spacing Reverse");
break;
case MTIO_DSREG_POS:
printf(sfmt,
"Hardware Positioning (direction unknown)");
break;
case MTIO_DSREG_REW:
printf(sfmt, "Rewinding");
break;
case MTIO_DSREG_TEN:
printf(sfmt, "Retensioning");
break;
case MTIO_DSREG_UNL:
printf(sfmt, "Unloading");
break;
case MTIO_DSREG_LD:
printf(sfmt, "Loading");
break;
default:
(void) sprintf(foo, "Unknown state 0x%x", bp->mt_dsreg);
printf(sfmt, foo);
break;
}
}
if (bp->mt_resid == 0 && bp->mt_fileno == (daddr_t) -1 &&
bp->mt_blkno == (daddr_t) -1)
return;
printf("---------------------------------\n");
printf("File Number: %d\tRecord Number: %d\tResidual Count %d\n",
bp->mt_fileno, bp->mt_blkno, bp->mt_resid);
}
static void
warn_eof(void)
{
fprintf(stderr,
"The \"eof\" command has been disabled.\n"
"Use \"weof\" if you really want to write end-of-file marks,\n"
"or \"eom\" if you rather want to skip to the end of "
"recorded medium.\n");
exit(1);
}
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