1 /*
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * The Regents of the University of California. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of the University nor the names of its contributors
15 * may be used to endorse or promote products derived from this software
16 * without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30 /*-
31 * Copyright (c) 2013, 2014, 2015 Spectra Logic Corporation
32 * All rights reserved.
33 *
34 * Redistribution and use in source and binary forms, with or without
35 * modification, are permitted provided that the following conditions
36 * are met:
37 * 1. Redistributions of source code must retain the above copyright
38 * notice, this list of conditions, and the following disclaimer,
39 * without modification.
40 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
41 * substantially similar to the "NO WARRANTY" disclaimer below
42 * ("Disclaimer") and any redistribution must be conditioned upon
43 * including a substantially similar Disclaimer requirement for further
44 * binary redistribution.
45 *
46 * NO WARRANTY
47 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
48 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
49 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
50 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
51 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
52 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
53 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
54 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
55 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
56 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
57 * POSSIBILITY OF SUCH DAMAGES.
58 *
59 * Authors: Ken Merry (Spectra Logic Corporation)
60 */
61
62 /*
63 * mt --
64 * magnetic tape manipulation program
65 */
66 #include <sys/types.h>
67 #include <sys/ioctl.h>
68 #include <sys/mtio.h>
69 #include <sys/queue.h>
70
71 #include <ctype.h>
72 #include <err.h>
73 #include <fcntl.h>
74 #include <stdio.h>
75 #include <stdlib.h>
76 #include <string.h>
77 #include <unistd.h>
78 #include <stdint.h>
79 #include <errno.h>
80 #include <bsdxml.h>
81 #include <mtlib.h>
82
83 #include <cam/cam.h>
84 #include <cam/cam_ccb.h>
85 #include <cam/cam_periph.h>
86 #include <cam/scsi/scsi_all.h>
87 #include <cam/scsi/scsi_sa.h>
88
89 /* the appropriate sections of <sys/mtio.h> are also #ifdef'd for FreeBSD */
90 /* c_flags */
91 #define NEED_2ARGS 0x01
92 #define ZERO_ALLOWED 0x02
93 #define IS_DENSITY 0x04
94 #define DISABLE_THIS 0x08
95 #define IS_COMP 0x10
96 #define USE_GETOPT 0x20
97
98 #ifndef TRUE
99 #define TRUE 1
100 #endif
101 #ifndef FALSE
102 #define FALSE 0
103 #endif
104 #ifndef MAX
105 #define MAX(a, b) (a > b) ? a : b
106 #endif
107 #define MT_PLURAL(a) (a == 1) ? "" : "s"
108
109 typedef enum {
110 MT_CMD_NONE = MTLOAD + 1,
111 MT_CMD_PROTECT,
112 MT_CMD_GETDENSITY
113 } mt_commands;
114
115 static const struct commands {
116 const char *c_name;
117 unsigned long c_code;
118 int c_ronly;
119 int c_flags;
120 } com[] = {
121 { "bsf", MTBSF, 1, 0 },
122 { "bsr", MTBSR, 1, 0 },
123 /* XXX FreeBSD considered "eof" dangerous, since it's being
124 confused with "eom" (and is an alias for "weof" anyway) */
125 { "eof", MTWEOF, 0, DISABLE_THIS },
126 { "fsf", MTFSF, 1, 0 },
127 { "fsr", MTFSR, 1, 0 },
128 { "offline", MTOFFL, 1, 0 },
129 { "load", MTLOAD, 1, 0 },
130 { "rewind", MTREW, 1, 0 },
131 { "rewoffl", MTOFFL, 1, 0 },
132 { "ostatus", MTNOP, 1, 0 },
133 { "weof", MTWEOF, 0, ZERO_ALLOWED },
134 { "weofi", MTWEOFI, 0, ZERO_ALLOWED },
135 { "erase", MTERASE, 0, ZERO_ALLOWED},
136 { "blocksize", MTSETBSIZ, 0, NEED_2ARGS|ZERO_ALLOWED },
137 { "density", MTSETDNSTY, 0, NEED_2ARGS|ZERO_ALLOWED|IS_DENSITY },
138 { "eom", MTEOD, 1, 0 },
139 { "eod", MTEOD, 1, 0 },
140 { "smk", MTWSS, 0, 0 },
141 { "wss", MTWSS, 0, 0 },
142 { "fss", MTFSS, 1, 0 },
143 { "bss", MTBSS, 1, 0 },
144 { "comp", MTCOMP, 0, NEED_2ARGS|ZERO_ALLOWED|IS_COMP },
145 { "retension", MTRETENS, 1, 0 },
146 { "rdhpos", MTIOCRDHPOS, 0, 0 },
147 { "rdspos", MTIOCRDSPOS, 0, 0 },
148 { "sethpos", MTIOCHLOCATE, 0, NEED_2ARGS|ZERO_ALLOWED },
149 { "setspos", MTIOCSLOCATE, 0, NEED_2ARGS|ZERO_ALLOWED },
150 { "errstat", MTIOCERRSTAT, 0, 0 },
151 { "setmodel", MTIOCSETEOTMODEL, 0, NEED_2ARGS|ZERO_ALLOWED },
152 { "seteotmodel", MTIOCSETEOTMODEL, 0, NEED_2ARGS|ZERO_ALLOWED },
153 { "getmodel", MTIOCGETEOTMODEL, 0, 0 },
154 { "geteotmodel", MTIOCGETEOTMODEL, 0, 0 },
155 { "rblim", MTIOCRBLIM, 0, 0},
156 { "getdensity", MT_CMD_GETDENSITY, 0, USE_GETOPT},
157 { "status", MTIOCEXTGET, 0, USE_GETOPT },
158 { "locate", MTIOCEXTLOCATE, 0, USE_GETOPT },
159 { "param", MTIOCPARAMGET, 0, USE_GETOPT },
160 { "protect", MT_CMD_PROTECT, 0, USE_GETOPT },
161 { NULL, 0, 0, 0 }
162 };
163
164
165 static const char *getblksiz(int);
166 static void printreg(const char *, u_int, const char *);
167 static void status(struct mtget *);
168 static void usage(void) __dead2;
169 const char *get_driver_state_str(int dsreg);
170 static void st_status (struct mtget *);
171 static int mt_locate(int argc, char **argv, int mtfd, const char *tape);
172 static int nstatus_print(int argc, char **argv, char *xml_str,
173 struct mt_status_data *status_data);
174 static int mt_xml_cmd(unsigned long cmd, int argc, char **argv, int mtfd,
175 const char *tape);
176 static int mt_print_density_entry(struct mt_status_entry *density_root, int indent);
177 static int mt_print_density_report(struct mt_status_entry *report_root, int indent);
178 static int mt_print_density(struct mt_status_entry *density_root, int indent);
179 static int mt_getdensity(int argc, char **argv, char *xml_str,
180 struct mt_status_data *status_data);
181 static int mt_set_param(int mtfd, struct mt_status_data *status_data,
182 char *param_name, char *param_value);
183 static int mt_protect(int argc, char **argv, int mtfd,
184 struct mt_status_data *status_data);
185 static int mt_param(int argc, char **argv, int mtfd, char *xml_str,
186 struct mt_status_data *status_data);
187 static const char *denstostring (int d);
188 static u_int32_t stringtocomp(const char *s);
189 static const char *comptostring(u_int32_t comp);
190 static void warn_eof(void);
191
192 int
main(int argc,char * argv[])193 main(int argc, char *argv[])
194 {
195 const struct commands *comp;
196 struct mtget mt_status;
197 struct mtop mt_com;
198 int ch, len, mtfd;
199 const char *p, *tape;
200
201 bzero(&mt_com, sizeof(mt_com));
202
203 if ((tape = getenv("TAPE")) == NULL)
204 tape = DEFTAPE;
205
206 while ((ch = getopt(argc, argv, "f:t:")) != -1)
207 switch(ch) {
208 case 'f':
209 case 't':
210 tape = optarg;
211 break;
212 case '?':
213 usage();
214 break;
215 default:
216 break;
217 }
218 argc -= optind;
219 argv += optind;
220
221 if (argc < 1)
222 usage();
223
224 len = strlen(p = *argv++);
225 for (comp = com;; comp++) {
226 if (comp->c_name == NULL)
227 errx(1, "%s: unknown command", p);
228 if (strncmp(p, comp->c_name, len) == 0)
229 break;
230 }
231 if((comp->c_flags & NEED_2ARGS) && argc != 2)
232 usage();
233 if(comp->c_flags & DISABLE_THIS) {
234 warn_eof();
235 }
236 if (comp->c_flags & USE_GETOPT) {
237 argc--;
238 optind = 0;
239 }
240
241 if ((mtfd = open(tape, comp->c_ronly ? O_RDONLY : O_RDWR)) < 0)
242 err(1, "%s", tape);
243 if (comp->c_code != MTNOP) {
244 mt_com.mt_op = comp->c_code;
245 if (*argv) {
246 if (!isdigit(**argv) &&
247 (comp->c_flags & IS_DENSITY)) {
248 const char *dcanon;
249 mt_com.mt_count = mt_density_num(*argv);
250 if (mt_com.mt_count == 0)
251 errx(1, "%s: unknown density", *argv);
252 dcanon = denstostring(mt_com.mt_count);
253 if (strcmp(dcanon, *argv) != 0)
254 printf(
255 "Using \"%s\" as an alias for %s\n",
256 *argv, dcanon);
257 p = "";
258 } else if (!isdigit(**argv) &&
259 (comp->c_flags & IS_COMP)) {
260
261 mt_com.mt_count = stringtocomp(*argv);
262 if ((u_int32_t)mt_com.mt_count == 0xf0f0f0f0)
263 errx(1, "%s: unknown compression",
264 *argv);
265 p = "";
266 } else if ((comp->c_flags & USE_GETOPT) == 0) {
267 char *q;
268 /* allow for hex numbers; useful for density */
269 mt_com.mt_count = strtol(*argv, &q, 0);
270 p = q;
271 }
272 if (((comp->c_flags & USE_GETOPT) == 0)
273 && (((mt_com.mt_count <=
274 ((comp->c_flags & ZERO_ALLOWED)? -1: 0))
275 && ((comp->c_flags & IS_COMP) == 0))
276 || *p))
277 errx(1, "%s: illegal count", *argv);
278 }
279 else
280 mt_com.mt_count = 1;
281 switch (comp->c_code) {
282 case MTIOCERRSTAT:
283 {
284 unsigned int i;
285 union mterrstat umn;
286 struct scsi_tape_errors *s = &umn.scsi_errstat;
287
288 if (ioctl(mtfd, comp->c_code, (caddr_t)&umn) < 0)
289 err(2, "%s", tape);
290 (void)printf("Last I/O Residual: %u\n", s->io_resid);
291 (void)printf(" Last I/O Command:");
292 for (i = 0; i < sizeof (s->io_cdb); i++)
293 (void)printf(" %02X", s->io_cdb[i]);
294 (void)printf("\n");
295 (void)printf(" Last I/O Sense:\n\n\t");
296 for (i = 0; i < sizeof (s->io_sense); i++) {
297 (void)printf(" %02X", s->io_sense[i]);
298 if (((i + 1) & 0xf) == 0) {
299 (void)printf("\n\t");
300 }
301 }
302 (void)printf("\n");
303 (void)printf("Last Control Residual: %u\n",
304 s->ctl_resid);
305 (void)printf(" Last Control Command:");
306 for (i = 0; i < sizeof (s->ctl_cdb); i++)
307 (void)printf(" %02X", s->ctl_cdb[i]);
308 (void)printf("\n");
309 (void)printf(" Last Control Sense:\n\n\t");
310 for (i = 0; i < sizeof (s->ctl_sense); i++) {
311 (void)printf(" %02X", s->ctl_sense[i]);
312 if (((i + 1) & 0xf) == 0) {
313 (void)printf("\n\t");
314 }
315 }
316 (void)printf("\n\n");
317 exit(0);
318 /* NOTREACHED */
319 }
320 case MTIOCRDHPOS:
321 case MTIOCRDSPOS:
322 {
323 u_int32_t block;
324 if (ioctl(mtfd, comp->c_code, (caddr_t)&block) < 0)
325 err(2, "%s", tape);
326 (void)printf("%s: %s block location %u\n", tape,
327 (comp->c_code == MTIOCRDHPOS)? "hardware" :
328 "logical", block);
329 exit(0);
330 /* NOTREACHED */
331 }
332 case MTIOCSLOCATE:
333 case MTIOCHLOCATE:
334 {
335 u_int32_t block = (u_int32_t)mt_com.mt_count;
336 if (ioctl(mtfd, comp->c_code, (caddr_t)&block) < 0)
337 err(2, "%s", tape);
338 exit(0);
339 /* NOTREACHED */
340 }
341 case MTIOCGETEOTMODEL:
342 {
343 u_int32_t om;
344 if (ioctl(mtfd, MTIOCGETEOTMODEL, (caddr_t)&om) < 0)
345 err(2, "%s", tape);
346 (void)printf("%s: the model is %u filemar%s at EOT\n",
347 tape, om, (om > 1)? "ks" : "k");
348 exit(0);
349 /* NOTREACHED */
350 }
351 case MTIOCSETEOTMODEL:
352 {
353 u_int32_t om, nm = (u_int32_t)mt_com.mt_count;
354 if (ioctl(mtfd, MTIOCGETEOTMODEL, (caddr_t)&om) < 0)
355 err(2, "%s", tape);
356 if (ioctl(mtfd, comp->c_code, (caddr_t)&nm) < 0)
357 err(2, "%s", tape);
358 (void)printf("%s: old model was %u filemar%s at EOT\n",
359 tape, om, (om > 1)? "ks" : "k");
360 (void)printf("%s: new model is %u filemar%s at EOT\n",
361 tape, nm, (nm > 1)? "ks" : "k");
362 exit(0);
363 /* NOTREACHED */
364 }
365 case MTIOCRBLIM:
366 {
367 struct mtrblim rblim;
368
369 bzero(&rblim, sizeof(rblim));
370
371 if (ioctl(mtfd, MTIOCRBLIM, (caddr_t)&rblim) < 0)
372 err(2, "%s", tape);
373 (void)printf("%s:\n"
374 " min blocksize %u byte%s\n"
375 " max blocksize %u byte%s\n"
376 " granularity %u byte%s\n",
377 tape, rblim.min_block_length,
378 MT_PLURAL(rblim.min_block_length),
379 rblim.max_block_length,
380 MT_PLURAL(rblim.max_block_length),
381 (1 << rblim.granularity),
382 MT_PLURAL((1 << rblim.granularity)));
383 exit(0);
384 /* NOTREACHED */
385 }
386 case MTIOCPARAMGET:
387 case MTIOCEXTGET:
388 case MT_CMD_PROTECT:
389 case MT_CMD_GETDENSITY:
390 {
391 int retval = 0;
392
393 retval = mt_xml_cmd(comp->c_code, argc, argv, mtfd,
394 tape);
395
396 exit(retval);
397 }
398 case MTIOCEXTLOCATE:
399 {
400 int retval = 0;
401
402 retval = mt_locate(argc, argv, mtfd, tape);
403
404 exit(retval);
405 }
406 default:
407 break;
408 }
409 if (ioctl(mtfd, MTIOCTOP, &mt_com) < 0)
410 err(1, "%s: %s", tape, comp->c_name);
411 } else {
412 if (ioctl(mtfd, MTIOCGET, &mt_status) < 0)
413 err(1, NULL);
414 status(&mt_status);
415 }
416 exit(0);
417 /* NOTREACHED */
418 }
419
420 static const struct tape_desc {
421 short t_type; /* type of magtape device */
422 const char *t_name; /* printing name */
423 const char *t_dsbits; /* "drive status" register */
424 const char *t_erbits; /* "error" register */
425 } tapes[] = {
426 { MT_ISAR, "SCSI tape drive", 0, 0 },
427 { 0, NULL, 0, 0 }
428 };
429
430 /*
431 * Interpret the status buffer returned
432 */
433 static void
status(struct mtget * bp)434 status(struct mtget *bp)
435 {
436 const struct tape_desc *mt;
437
438 for (mt = tapes;; mt++) {
439 if (mt->t_type == 0) {
440 (void)printf("%d: unknown tape drive type\n",
441 bp->mt_type);
442 return;
443 }
444 if (mt->t_type == bp->mt_type)
445 break;
446 }
447 if(mt->t_type == MT_ISAR)
448 st_status(bp);
449 else {
450 (void)printf("%s tape drive, residual=%d\n",
451 mt->t_name, bp->mt_resid);
452 printreg("ds", (unsigned short)bp->mt_dsreg, mt->t_dsbits);
453 printreg("\ner", (unsigned short)bp->mt_erreg, mt->t_erbits);
454 (void)putchar('\n');
455 }
456 }
457
458 /*
459 * Print a register a la the %b format of the kernel's printf.
460 */
461 static void
printreg(const char * s,u_int v,const char * bits)462 printreg(const char *s, u_int v, const char *bits)
463 {
464 int i, any = 0;
465 char c;
466
467 if (bits && *bits == 8)
468 printf("%s=%o", s, v);
469 else
470 printf("%s=%x", s, v);
471 if (!bits)
472 return;
473 bits++;
474 if (v && bits) {
475 putchar('<');
476 while ((i = *bits++)) {
477 if (v & (1 << (i-1))) {
478 if (any)
479 putchar(',');
480 any = 1;
481 for (; (c = *bits) > 32; bits++)
482 putchar(c);
483 } else
484 for (; *bits > 32; bits++)
485 ;
486 }
487 putchar('>');
488 }
489 }
490
491 static void
usage(void)492 usage(void)
493 {
494 (void)fprintf(stderr, "usage: mt [-f device] command [count]\n");
495 exit(1);
496 }
497
498 static const struct compression_types {
499 u_int32_t comp_number;
500 const char *name;
501 } comp_types[] = {
502 { 0x00, "none" },
503 { 0x00, "off" },
504 { 0x10, "IDRC" },
505 { 0x20, "DCLZ" },
506 { 0xffffffff, "enable" },
507 { 0xffffffff, "on" },
508 { 0xf0f0f0f0, NULL}
509 };
510
511 static const char *
denstostring(int d)512 denstostring(int d)
513 {
514 static char buf[20];
515 const char *name = mt_density_name(d);
516
517 if (name == NULL)
518 sprintf(buf, "0x%02x", d);
519 else
520 sprintf(buf, "0x%02x:%s", d, name);
521 return buf;
522 }
523
524 static const char *
getblksiz(int bs)525 getblksiz(int bs)
526 {
527 static char buf[25];
528 if (bs == 0)
529 return "variable";
530 else {
531 sprintf(buf, "%d bytes", bs);
532 return buf;
533 }
534 }
535
536 static const char *
comptostring(u_int32_t comp)537 comptostring(u_int32_t comp)
538 {
539 static char buf[20];
540 const struct compression_types *ct;
541
542 if (comp == MT_COMP_DISABLED)
543 return "disabled";
544 else if (comp == MT_COMP_UNSUPP)
545 return "unsupported";
546
547 for (ct = comp_types; ct->name; ct++)
548 if (ct->comp_number == comp)
549 break;
550
551 if (ct->comp_number == 0xf0f0f0f0) {
552 sprintf(buf, "0x%x", comp);
553 return(buf);
554 } else
555 return(ct->name);
556 }
557
558 static u_int32_t
stringtocomp(const char * s)559 stringtocomp(const char *s)
560 {
561 const struct compression_types *ct;
562 size_t l = strlen(s);
563
564 for (ct = comp_types; ct->name; ct++)
565 if (strncasecmp(ct->name, s, l) == 0)
566 break;
567
568 return(ct->comp_number);
569 }
570
571 static struct driver_state {
572 int dsreg;
573 const char *desc;
574 } driver_states[] = {
575 { MTIO_DSREG_REST, "at rest" },
576 { MTIO_DSREG_RBSY, "Communicating with drive" },
577 { MTIO_DSREG_WR, "Writing" },
578 { MTIO_DSREG_FMK, "Writing Filemarks" },
579 { MTIO_DSREG_ZER, "Erasing" },
580 { MTIO_DSREG_RD, "Reading" },
581 { MTIO_DSREG_FWD, "Spacing Forward" },
582 { MTIO_DSREG_REV, "Spacing Reverse" },
583 { MTIO_DSREG_POS, "Hardware Positioning (direction unknown)" },
584 { MTIO_DSREG_REW, "Rewinding" },
585 { MTIO_DSREG_TEN, "Retensioning" },
586 { MTIO_DSREG_UNL, "Unloading" },
587 { MTIO_DSREG_LD, "Loading" },
588 };
589
590 const char *
get_driver_state_str(int dsreg)591 get_driver_state_str(int dsreg)
592 {
593 unsigned int i;
594
595 for (i = 0; i < (sizeof(driver_states)/sizeof(driver_states[0])); i++) {
596 if (driver_states[i].dsreg == dsreg)
597 return (driver_states[i].desc);
598 }
599
600 return (NULL);
601 }
602
603 static void
st_status(struct mtget * bp)604 st_status(struct mtget *bp)
605 {
606 printf("Mode Density Blocksize bpi "
607 "Compression\n"
608 "Current: %-17s %-12s %-7d %s\n"
609 "---------available modes---------\n"
610 "0: %-17s %-12s %-7d %s\n"
611 "1: %-17s %-12s %-7d %s\n"
612 "2: %-17s %-12s %-7d %s\n"
613 "3: %-17s %-12s %-7d %s\n",
614 denstostring(bp->mt_density), getblksiz(bp->mt_blksiz),
615 mt_density_bp(bp->mt_density, TRUE), comptostring(bp->mt_comp),
616 denstostring(bp->mt_density0), getblksiz(bp->mt_blksiz0),
617 mt_density_bp(bp->mt_density0, TRUE), comptostring(bp->mt_comp0),
618 denstostring(bp->mt_density1), getblksiz(bp->mt_blksiz1),
619 mt_density_bp(bp->mt_density1, TRUE), comptostring(bp->mt_comp1),
620 denstostring(bp->mt_density2), getblksiz(bp->mt_blksiz2),
621 mt_density_bp(bp->mt_density2, TRUE), comptostring(bp->mt_comp2),
622 denstostring(bp->mt_density3), getblksiz(bp->mt_blksiz3),
623 mt_density_bp(bp->mt_density3, TRUE), comptostring(bp->mt_comp3));
624
625 if (bp->mt_dsreg != MTIO_DSREG_NIL) {
626 const char sfmt[] = "Current Driver State: %s.\n";
627 printf("---------------------------------\n");
628 const char *state_str;
629
630 state_str = get_driver_state_str(bp->mt_dsreg);
631 if (state_str == NULL) {
632 char foo[32];
633 (void) sprintf(foo, "Unknown state 0x%x", bp->mt_dsreg);
634 printf(sfmt, foo);
635 } else {
636 printf(sfmt, state_str);
637 }
638 }
639 if (bp->mt_resid == 0 && bp->mt_fileno == (daddr_t) -1 &&
640 bp->mt_blkno == (daddr_t) -1)
641 return;
642 printf("---------------------------------\n");
643 printf("File Number: %d\tRecord Number: %d\tResidual Count %d\n",
644 bp->mt_fileno, bp->mt_blkno, bp->mt_resid);
645 }
646
647 static int
mt_locate(int argc,char ** argv,int mtfd,const char * tape)648 mt_locate(int argc, char **argv, int mtfd, const char *tape)
649 {
650 struct mtlocate mtl;
651 uint64_t logical_id = 0;
652 mt_locate_dest_type dest_type = MT_LOCATE_DEST_FILE;
653 int eod = 0, explicit = 0, immediate = 0;
654 int64_t partition = 0;
655 int block_addr_set = 0, partition_set = 0, file_set = 0, set_set = 0;
656 int c, retval;
657
658 retval = 0;
659 bzero(&mtl, sizeof(mtl));
660
661 while ((c = getopt(argc, argv, "b:eEf:ip:s:")) != -1) {
662 switch (c) {
663 case 'b':
664 /* Block address */
665 logical_id = strtoull(optarg, NULL, 0);
666 dest_type = MT_LOCATE_DEST_OBJECT;
667 block_addr_set = 1;
668 break;
669 case 'e':
670 /* end of data */
671 eod = 1;
672 dest_type = MT_LOCATE_DEST_EOD;
673 break;
674 case 'E':
675 /*
676 * XXX KDM explicit address mode. Should we even
677 * allow this, since the driver doesn't operate in
678 * explicit address mode?
679 */
680 explicit = 1;
681 break;
682 case 'f':
683 /* file number */
684 logical_id = strtoull(optarg, NULL, 0);
685 dest_type = MT_LOCATE_DEST_FILE;
686 file_set = 1;
687 break;
688 case 'i':
689 /*
690 * Immediate address mode. XXX KDM do we want to
691 * implement this? The other commands in the
692 * tape driver will need to be able to handle this.
693 */
694 immediate = 1;
695 break;
696 case 'p':
697 /*
698 * Change partition to the given partition.
699 */
700 partition = strtol(optarg, NULL, 0);
701 partition_set = 1;
702 break;
703 case 's':
704 /* Go to the given set mark */
705 logical_id = strtoull(optarg, NULL, 0);
706 dest_type = MT_LOCATE_DEST_SET;
707 set_set = 1;
708 break;
709 default:
710 break;
711 }
712 }
713
714 /*
715 * These options are mutually exclusive. The user may only specify
716 * one.
717 */
718 if ((block_addr_set + file_set + eod + set_set) != 1)
719 errx(1, "You must specify only one of -b, -f, -e, or -s");
720
721 mtl.dest_type = dest_type;
722 switch (dest_type) {
723 case MT_LOCATE_DEST_OBJECT:
724 case MT_LOCATE_DEST_FILE:
725 case MT_LOCATE_DEST_SET:
726 mtl.logical_id = logical_id;
727 break;
728 case MT_LOCATE_DEST_EOD:
729 break;
730 }
731
732 if (immediate != 0)
733 mtl.flags |= MT_LOCATE_FLAG_IMMED;
734
735 if (partition_set != 0) {
736 mtl.flags |= MT_LOCATE_FLAG_CHANGE_PART;
737 mtl.partition = partition;
738 }
739
740 if (explicit != 0)
741 mtl.block_address_mode = MT_LOCATE_BAM_EXPLICIT;
742 else
743 mtl.block_address_mode = MT_LOCATE_BAM_IMPLICIT;
744
745 if (ioctl(mtfd, MTIOCEXTLOCATE, &mtl) == -1)
746 err(1, "MTIOCEXTLOCATE ioctl failed on %s", tape);
747
748 return (retval);
749 }
750
751 typedef enum {
752 MT_PERIPH_NAME = 0,
753 MT_UNIT_NUMBER = 1,
754 MT_VENDOR = 2,
755 MT_PRODUCT = 3,
756 MT_REVISION = 4,
757 MT_COMPRESSION_SUPPORTED = 5,
758 MT_COMPRESSION_ENABLED = 6,
759 MT_COMPRESSION_ALGORITHM = 7,
760 MT_MEDIA_DENSITY = 8,
761 MT_MEDIA_BLOCKSIZE = 9,
762 MT_CALCULATED_FILENO = 10,
763 MT_CALCULATED_REL_BLKNO = 11,
764 MT_REPORTED_FILENO = 12,
765 MT_REPORTED_BLKNO = 13,
766 MT_PARTITION = 14,
767 MT_BOP = 15,
768 MT_EOP = 16,
769 MT_BPEW = 17,
770 MT_DSREG = 18,
771 MT_RESID = 19,
772 MT_FIXED_MODE = 20,
773 MT_SERIAL_NUM = 21,
774 MT_MAXIO = 22,
775 MT_CPI_MAXIO = 23,
776 MT_MAX_BLK = 24,
777 MT_MIN_BLK = 25,
778 MT_BLK_GRAN = 26,
779 MT_MAX_EFF_IOSIZE = 27
780 } status_item_index;
781
782 static struct mt_status_items {
783 const char *name;
784 struct mt_status_entry *entry;
785 } req_status_items[] = {
786 { "periph_name", NULL },
787 { "unit_number", NULL },
788 { "vendor", NULL },
789 { "product", NULL },
790 { "revision", NULL },
791 { "compression_supported", NULL },
792 { "compression_enabled", NULL },
793 { "compression_algorithm", NULL },
794 { "media_density", NULL },
795 { "media_blocksize", NULL },
796 { "calculated_fileno", NULL },
797 { "calculated_rel_blkno", NULL },
798 { "reported_fileno", NULL },
799 { "reported_blkno", NULL },
800 { "partition", NULL },
801 { "bop", NULL },
802 { "eop", NULL },
803 { "bpew", NULL },
804 { "dsreg", NULL },
805 { "residual", NULL },
806 { "fixed_mode", NULL },
807 { "serial_num", NULL },
808 { "maxio", NULL },
809 { "cpi_maxio", NULL },
810 { "max_blk", NULL },
811 { "min_blk", NULL },
812 { "blk_gran", NULL },
813 { "max_effective_iosize", NULL }
814 };
815
816 int
nstatus_print(int argc,char ** argv,char * xml_str,struct mt_status_data * status_data)817 nstatus_print(int argc, char **argv, char *xml_str,
818 struct mt_status_data *status_data)
819 {
820 unsigned int i;
821 int64_t calculated_fileno, calculated_rel_blkno;
822 int64_t rep_fileno, rep_blkno, partition, resid;
823 char block_str[32];
824 const char *dens_str;
825 int dsreg, bop, eop, bpew;
826 int xml_dump = 0;
827 size_t dens_len;
828 unsigned int field_width;
829 int verbose = 0;
830 int c;
831
832 while ((c = getopt(argc, argv, "xv")) != -1) {
833 switch (c) {
834 case 'x':
835 xml_dump = 1;
836 break;
837 case 'v':
838 verbose = 1;
839 break;
840 default:
841 break;
842 }
843 }
844
845 if (xml_dump != 0) {
846 printf("%s", xml_str);
847 return (0);
848 }
849
850 for (i = 0; i < (sizeof(req_status_items)/sizeof(req_status_items[0]));
851 i++) {
852 char *name;
853
854 name = __DECONST(char *, req_status_items[i].name);
855 req_status_items[i].entry = mt_status_entry_find(status_data,
856 name);
857 if (req_status_items[i].entry == NULL) {
858 errx(1, "Cannot find status entry %s",
859 req_status_items[i].name);
860 }
861 }
862
863 printf("Drive: %s%ju: <%s %s %s> Serial Number: %s\n",
864 req_status_items[MT_PERIPH_NAME].entry->value,
865 (uintmax_t)req_status_items[MT_UNIT_NUMBER].entry->value_unsigned,
866 req_status_items[MT_VENDOR].entry->value,
867 req_status_items[MT_PRODUCT].entry->value,
868 req_status_items[MT_REVISION].entry->value,
869 (req_status_items[MT_SERIAL_NUM].entry->value) ?
870 req_status_items[MT_SERIAL_NUM].entry->value : "none");
871 printf("---------------------------------\n");
872
873 /*
874 * We check to see whether we're in fixed mode or not, and don't
875 * just believe the blocksize. If the SILI bit is turned on, the
876 * blocksize will be set to 4, even though we're doing variable
877 * length (well, multiples of 4) blocks.
878 */
879 if (req_status_items[MT_FIXED_MODE].entry->value_signed == 0)
880 snprintf(block_str, sizeof(block_str), "variable");
881 else
882 snprintf(block_str, sizeof(block_str), "%s",
883 getblksiz(req_status_items[
884 MT_MEDIA_BLOCKSIZE].entry->value_unsigned));
885
886 dens_str = denstostring(req_status_items[
887 MT_MEDIA_DENSITY].entry->value_unsigned);
888 if (dens_str == NULL)
889 dens_len = 0;
890 else
891 dens_len = strlen(dens_str);
892 field_width = MAX(dens_len, 17);
893 printf("Mode %-*s Blocksize bpi Compression\n"
894 "Current: %-*s %-12s %-7d ",
895 field_width, "Density", field_width, dens_str, block_str,
896 mt_density_bp(req_status_items[
897 MT_MEDIA_DENSITY].entry->value_unsigned, TRUE));
898
899 if (req_status_items[MT_COMPRESSION_SUPPORTED].entry->value_signed == 0)
900 printf("unsupported\n");
901 else if (req_status_items[
902 MT_COMPRESSION_ENABLED].entry->value_signed == 0)
903 printf("disabled\n");
904 else {
905 printf("enabled (%s)\n",
906 comptostring(req_status_items[
907 MT_COMPRESSION_ALGORITHM].entry->value_unsigned));
908 }
909
910 dsreg = req_status_items[MT_DSREG].entry->value_signed;
911 if (dsreg != MTIO_DSREG_NIL) {
912 const char sfmt[] = "Current Driver State: %s.\n";
913 printf("---------------------------------\n");
914 const char *state_str;
915
916 state_str = get_driver_state_str(dsreg);
917 if (state_str == NULL) {
918 char foo[32];
919 (void) sprintf(foo, "Unknown state 0x%x", dsreg);
920 printf(sfmt, foo);
921 } else {
922 printf(sfmt, state_str);
923 }
924 }
925 resid = req_status_items[MT_RESID].entry->value_signed;
926 calculated_fileno = req_status_items[
927 MT_CALCULATED_FILENO].entry->value_signed;
928 calculated_rel_blkno = req_status_items[
929 MT_CALCULATED_REL_BLKNO].entry->value_signed;
930 rep_fileno = req_status_items[
931 MT_REPORTED_FILENO].entry->value_signed;
932 rep_blkno = req_status_items[
933 MT_REPORTED_BLKNO].entry->value_signed;
934 bop = req_status_items[MT_BOP].entry->value_signed;
935 eop = req_status_items[MT_EOP].entry->value_signed;
936 bpew = req_status_items[MT_BPEW].entry->value_signed;
937 partition = req_status_items[MT_PARTITION].entry->value_signed;
938
939 printf("---------------------------------\n");
940 printf("Partition: %3jd Calc File Number: %3jd "
941 " Calc Record Number: %jd\n"
942 "Residual: %3jd Reported File Number: %3jd "
943 "Reported Record Number: %jd\n", partition, calculated_fileno,
944 calculated_rel_blkno, resid, rep_fileno, rep_blkno);
945
946 printf("Flags: ");
947 if (bop > 0 || eop > 0 || bpew > 0) {
948 int need_comma = 0;
949
950 if (bop > 0) {
951 printf("BOP");
952 need_comma = 1;
953 }
954 if (eop > 0) {
955 if (need_comma != 0)
956 printf(",");
957 printf("EOP");
958 need_comma = 1;
959 }
960 if (bpew > 0) {
961 if (need_comma != 0)
962 printf(",");
963 printf("BPEW");
964 need_comma = 1;
965 }
966 } else {
967 printf("None");
968 }
969 printf("\n");
970 if (verbose != 0) {
971 printf("---------------------------------\n");
972 printf("Tape I/O parameters:\n");
973 for (i = MT_MAXIO; i <= MT_MAX_EFF_IOSIZE; i++) {
974 printf(" %s (%s): %ju bytes\n",
975 req_status_items[i].entry->desc,
976 req_status_items[i].name,
977 req_status_items[i].entry->value_unsigned);
978 }
979 }
980
981 return (0);
982 }
983
984 int
mt_xml_cmd(unsigned long cmd,int argc,char ** argv,int mtfd,const char * tape)985 mt_xml_cmd(unsigned long cmd, int argc, char **argv, int mtfd, const char *tape)
986 {
987 struct mt_status_data status_data;
988 #if 0
989 struct mt_status_entry *entry;
990 #endif
991 char *xml_str;
992 int retval;
993 unsigned long ioctl_cmd;
994
995 switch (cmd) {
996 case MT_CMD_PROTECT:
997 case MTIOCPARAMGET:
998 ioctl_cmd = MTIOCPARAMGET;
999 break;
1000 default:
1001 ioctl_cmd = MTIOCEXTGET;
1002 break;
1003 }
1004
1005 retval = mt_get_xml_str(mtfd, ioctl_cmd, &xml_str);
1006 if (retval != 0)
1007 err(1, "Couldn't get mt XML string");
1008
1009 retval = mt_get_status(xml_str, &status_data);
1010 if (retval != XML_STATUS_OK) {
1011 warn("Couldn't get mt status for %s", tape);
1012 goto bailout;
1013 }
1014
1015 /*
1016 * This gets set if there are memory allocation or other errors in
1017 * our parsing of the XML.
1018 */
1019 if (status_data.error != 0) {
1020 warnx("%s", status_data.error_str);
1021 retval = 1;
1022 goto bailout;
1023 }
1024 #if 0
1025 STAILQ_FOREACH(entry, &status_data.entries, links)
1026 mt_status_tree_print(entry, 0, NULL);
1027 #endif
1028
1029 switch (cmd) {
1030 case MTIOCEXTGET:
1031 retval = nstatus_print(argc, argv, xml_str, &status_data);
1032 break;
1033 case MTIOCPARAMGET:
1034 retval = mt_param(argc, argv, mtfd, xml_str, &status_data);
1035 break;
1036 case MT_CMD_PROTECT:
1037 retval = mt_protect(argc, argv, mtfd, &status_data);
1038 break;
1039 case MT_CMD_GETDENSITY:
1040 retval = mt_getdensity(argc, argv, xml_str, &status_data);
1041 break;
1042 }
1043
1044 bailout:
1045 if (xml_str != NULL)
1046 free(xml_str);
1047
1048 mt_status_free(&status_data);
1049
1050 return (retval);
1051 }
1052
1053 static int
mt_set_param(int mtfd,struct mt_status_data * status_data,char * param_name,char * param_value)1054 mt_set_param(int mtfd, struct mt_status_data *status_data, char *param_name,
1055 char *param_value)
1056 {
1057 struct mt_status_entry *entry;
1058 struct mtparamset param_set;
1059
1060 entry = mt_status_entry_find(status_data,
1061 __DECONST(char *, "mtparamget"));
1062 if (entry == NULL)
1063 errx(1, "Cannot find parameter root node");
1064
1065 bzero(¶m_set, sizeof(param_set));
1066 entry = mt_entry_find(entry, param_name);
1067 if (entry == NULL)
1068 errx(1, "Unknown parameter name \"%s\"", param_name);
1069
1070 strlcpy(param_set.value_name, param_name, sizeof(param_set.value_name));
1071
1072 switch (entry->var_type) {
1073 case MT_TYPE_INT:
1074 param_set.value.value_signed = strtoll(param_value, NULL, 0);
1075 param_set.value_type = MT_PARAM_SET_SIGNED;
1076 param_set.value_len = entry->size;
1077 break;
1078 case MT_TYPE_UINT:
1079 param_set.value.value_unsigned = strtoull(param_value, NULL, 0);
1080 param_set.value_type = MT_PARAM_SET_UNSIGNED;
1081 param_set.value_len = entry->size;
1082 break;
1083 case MT_TYPE_STRING: {
1084 size_t param_len;
1085
1086 param_len = strlen(param_value) + 1;
1087 if (param_len > sizeof(param_set.value.value_fixed_str)) {
1088 param_set.value_type = MT_PARAM_SET_VAR_STR;
1089 param_set.value.value_var_str = param_value;
1090 } else {
1091 param_set.value_type = MT_PARAM_SET_FIXED_STR;
1092 strlcpy(param_set.value.value_fixed_str, param_value,
1093 sizeof(param_set.value.value_fixed_str));
1094 }
1095 param_set.value_len = param_len;
1096 break;
1097 }
1098 default:
1099 errx(1, "Unknown parameter type %d for %s", entry->var_type,
1100 param_name);
1101 break;
1102 }
1103
1104 if (ioctl(mtfd, MTIOCPARAMSET, ¶m_set) == -1)
1105 err(1, "MTIOCPARAMSET");
1106
1107 if (param_set.status != MT_PARAM_STATUS_OK)
1108 errx(1, "Failed to set %s: %s", param_name,
1109 param_set.error_str);
1110
1111 return (0);
1112 }
1113
1114
1115 typedef enum {
1116 MT_PP_LBP_R,
1117 MT_PP_LBP_W,
1118 MT_PP_RBDP,
1119 MT_PP_PI_LENGTH,
1120 MT_PP_PROT_METHOD
1121 } mt_protect_param;
1122
1123 static struct mt_protect_info {
1124 const char *name;
1125 struct mt_status_entry *entry;
1126 uint32_t value;
1127 } mt_protect_list[] = {
1128 { "lbp_r", NULL, 0 },
1129 { "lbp_w", NULL, 0 },
1130 { "rbdp", NULL, 0 },
1131 { "pi_length", NULL, 0 },
1132 { "prot_method", NULL, 0 }
1133 };
1134
1135 #define MT_NUM_PROTECT_PARAMS (sizeof(mt_protect_list)/sizeof(mt_protect_list[0]))
1136
1137 #define MT_PROT_NAME "protection"
1138
1139 static int
mt_protect(int argc,char ** argv,int mtfd,struct mt_status_data * status_data)1140 mt_protect(int argc, char **argv, int mtfd, struct mt_status_data *status_data)
1141 {
1142 int retval = 0;
1143 int do_enable = 0, do_disable = 0, do_list = 0;
1144 int rbdp_set = 0, lbp_w_set = 0, lbp_r_set = 0;
1145 int prot_method_set = 0, pi_length_set = 0;
1146 int verbose = 0;
1147 uint32_t rbdp = 0, lbp_w = 0, lbp_r = 0;
1148 uint32_t prot_method = 0, pi_length = 0;
1149 struct mt_status_entry *prot_entry, *supported_entry;
1150 struct mt_status_entry *entry;
1151 struct mtparamset params[MT_NUM_PROTECT_PARAMS];
1152 struct mtsetlist param_list;
1153 unsigned int i;
1154 int c;
1155
1156 while ((c = getopt(argc, argv, "b:delL:m:r:vw:")) != -1) {
1157 switch (c) {
1158 case 'b':
1159 rbdp_set = 1;
1160 rbdp = strtoul(optarg, NULL, 0);
1161 if ((rbdp != 0) && (rbdp != 1))
1162 errx(1, "valid values for -b are 0 and 1");
1163 break;
1164 case 'd':
1165 do_disable = 1;
1166 break;
1167 case 'e':
1168 do_enable = 1;
1169 break;
1170 case 'l':
1171 do_list = 1;
1172 break;
1173 case 'L':
1174 pi_length_set = 1;
1175 pi_length = strtoul(optarg, NULL, 0);
1176 if (pi_length > SA_CTRL_DP_PI_LENGTH_MASK)
1177 errx(1, "PI length %u > maximum %u",
1178 pi_length, SA_CTRL_DP_PI_LENGTH_MASK);
1179 break;
1180 case 'm':
1181 prot_method_set = 1;
1182 prot_method = strtoul(optarg, NULL, 0);
1183 if (prot_method > SA_CTRL_DP_METHOD_MAX)
1184 errx(1, "Method %u > maximum %u",
1185 prot_method, SA_CTRL_DP_METHOD_MAX);
1186 break;
1187 case 'r':
1188 lbp_r_set = 1;
1189 lbp_r = strtoul(optarg, NULL, 0);
1190 if ((lbp_r != 0) && (lbp_r != 1))
1191 errx(1, "valid values for -r are 0 and 1");
1192 break;
1193 case 'v':
1194 verbose = 1;
1195 break;
1196 case 'w':
1197 lbp_w_set = 1;
1198 lbp_w = strtoul(optarg, NULL, 0);
1199 if ((lbp_w != 0) && (lbp_r != 1))
1200 errx(1, "valid values for -r are 0 and 1");
1201 break;
1202 default:
1203 break;
1204 }
1205 }
1206
1207 if ((rbdp_set + do_disable + do_enable + do_list + pi_length_set +
1208 prot_method_set + lbp_r_set + lbp_w_set) == 0)
1209 errx(1, "Need an argument for protect");
1210
1211 if ((do_disable + do_enable + do_list) != 1)
1212 errx(1, "You must specify only one of -e, -d or -l");
1213
1214 if (do_list != 0) {
1215 retval = mt_protect_print(status_data, verbose);
1216 goto bailout;
1217 }
1218 if (do_enable != 0) {
1219 /*
1220 * Enable protection, but allow the user to override
1221 * settings if he doesn't want everything turned on.
1222 */
1223 if (rbdp_set == 0)
1224 rbdp = 1;
1225 if (lbp_w_set == 0)
1226 lbp_w = 1;
1227 if (lbp_r_set == 0)
1228 lbp_r = 1;
1229 /*
1230 * If the user doesn't override it, we default to enabling
1231 * Reed-Solomon checkums.
1232 */
1233 if (prot_method_set == 0)
1234 prot_method = SA_CTRL_DP_REED_SOLOMON;
1235 if (pi_length_set == 0)
1236 pi_length = SA_CTRL_DP_RS_LENGTH;
1237 } else if (do_disable != 0) {
1238 /*
1239 * If the user wants to disable protection, we ignore any
1240 * other parameters he has set. Everything gets set to 0.
1241 */
1242 rbdp = lbp_w = lbp_r = 0;
1243 prot_method = pi_length = 0;
1244 }
1245
1246 prot_entry = mt_status_entry_find(status_data,
1247 __DECONST(char *, MT_PROT_NAME));
1248 if (prot_entry == NULL)
1249 errx(1, "Unable to find protection information status");
1250
1251 supported_entry = mt_entry_find(prot_entry,
1252 __DECONST(char *, "protection_supported"));
1253 if (supported_entry == NULL)
1254 errx(1, "Unable to find protection support information");
1255
1256 if (((supported_entry->var_type == MT_TYPE_INT)
1257 && (supported_entry->value_signed == 0))
1258 || ((supported_entry->var_type == MT_TYPE_UINT)
1259 && (supported_entry->value_unsigned == 0)))
1260 errx(1, "This device does not support protection information");
1261
1262 mt_protect_list[MT_PP_LBP_R].value = lbp_r;
1263 mt_protect_list[MT_PP_LBP_W].value = lbp_w;
1264 mt_protect_list[MT_PP_RBDP].value = rbdp;
1265 mt_protect_list[MT_PP_PI_LENGTH].value = pi_length;
1266 mt_protect_list[MT_PP_PROT_METHOD].value = prot_method;
1267
1268 bzero(¶ms, sizeof(params));
1269 bzero(¶m_list, sizeof(param_list));
1270
1271 /*
1272 * Go through the list and make sure that we have this parameter,
1273 * and that it is still an unsigned integer. If not, we've got a
1274 * problem.
1275 */
1276 for (i = 0; i < MT_NUM_PROTECT_PARAMS; i++) {
1277 entry = mt_entry_find(prot_entry,
1278 __DECONST(char *, mt_protect_list[i].name));
1279 if (entry == NULL) {
1280 errx(1, "Unable to find parameter %s",
1281 mt_protect_list[i].name);
1282 }
1283 mt_protect_list[i].entry = entry;
1284
1285 if (entry->var_type != MT_TYPE_UINT)
1286 errx(1, "Parameter %s is type %d, not unsigned, "
1287 "cannot proceed", mt_protect_list[i].name,
1288 entry->var_type);
1289 snprintf(params[i].value_name, sizeof(params[i].value_name),
1290 "%s.%s", MT_PROT_NAME, mt_protect_list[i].name);
1291 /* XXX KDM unify types here */
1292 params[i].value_type = MT_PARAM_SET_UNSIGNED;
1293 params[i].value_len = sizeof(mt_protect_list[i].value);
1294 params[i].value.value_unsigned = mt_protect_list[i].value;
1295
1296 }
1297 param_list.num_params = MT_NUM_PROTECT_PARAMS;
1298 param_list.param_len = sizeof(params);
1299 param_list.params = params;
1300
1301 if (ioctl(mtfd, MTIOCSETLIST, ¶m_list) == -1)
1302 err(1, "error issuing MTIOCSETLIST ioctl");
1303
1304 for (i = 0; i < MT_NUM_PROTECT_PARAMS; i++) {
1305 if (params[i].status != MT_PARAM_STATUS_OK) {
1306 warnx("%s", params[i].error_str);
1307 retval = 1;
1308 }
1309 }
1310 bailout:
1311
1312 return (retval);
1313 }
1314
1315 static int
mt_param(int argc,char ** argv,int mtfd,char * xml_str,struct mt_status_data * status_data)1316 mt_param(int argc, char **argv, int mtfd, char *xml_str,
1317 struct mt_status_data *status_data)
1318 {
1319 int list = 0, do_set = 0, xml_dump = 0;
1320 char *param_name = NULL, *param_value = NULL;
1321 int retval = 0, quiet = 0;
1322 int c;
1323
1324 while ((c = getopt(argc, argv, "lp:qs:x")) != -1) {
1325 switch (c) {
1326 case 'l':
1327 list = 1;
1328 break;
1329 case 'p':
1330 if (param_name != NULL) {
1331 warnx("Only one parameter name may be "
1332 "specified");
1333 retval = 1;
1334 goto bailout;
1335 }
1336 param_name = strdup(optarg);
1337 break;
1338 case 'q':
1339 quiet = 1;
1340 break;
1341 case 's':
1342 if (param_value != NULL) {
1343 warnx("Only one parameter value may be "
1344 "specified");
1345 retval = 1;
1346 goto bailout;
1347 }
1348 param_value = strdup(optarg);
1349 do_set = 1;
1350 break;
1351 case 'x':
1352 xml_dump = 1;
1353 break;
1354 default:
1355 break;
1356 }
1357 }
1358
1359 if ((list + do_set + xml_dump) != 1) {
1360 warnx("You must specify only one of -s, -l or -x");
1361 retval = 1;
1362 goto bailout;
1363 }
1364
1365 if (xml_dump != 0) {
1366 printf("%s", xml_str);
1367 retval = 0;
1368 goto bailout;
1369 }
1370
1371 if (do_set != 0) {
1372 if (param_name == NULL)
1373 errx(1, "You must specify -p with -s");
1374
1375 retval = mt_set_param(mtfd, status_data, param_name,
1376 param_value);
1377 } else if (list != 0)
1378 retval = mt_param_list(status_data, param_name, quiet);
1379
1380 bailout:
1381 free(param_name);
1382 free(param_value);
1383 return (retval);
1384 }
1385
1386 int
mt_print_density_entry(struct mt_status_entry * density_root,int indent)1387 mt_print_density_entry(struct mt_status_entry *density_root, int indent)
1388 {
1389 struct mt_status_entry *entry;
1390 int retval = 0;
1391
1392 STAILQ_FOREACH(entry, &density_root->child_entries, links) {
1393 if (entry->var_type == MT_TYPE_NODE) {
1394 retval = mt_print_density_entry(entry, indent + 2);
1395 if (retval != 0)
1396 break;
1397 else
1398 continue;
1399 }
1400 if ((strcmp(entry->entry_name, "primary_density_code") == 0)
1401 || (strcmp(entry->entry_name, "secondary_density_code") == 0)
1402 || (strcmp(entry->entry_name, "density_code") == 0)) {
1403
1404 printf("%*s%s (%s): %s\n", indent, "", entry->desc ?
1405 entry->desc : "", entry->entry_name,
1406 denstostring(entry->value_unsigned));
1407 } else if (strcmp(entry->entry_name, "density_flags") == 0) {
1408 printf("%*sMedium Access: ", indent, "");
1409 if (entry->value_unsigned & MT_DENS_WRITE_OK) {
1410 printf("Read and Write\n");
1411 } else {
1412 printf("Read Only\n");
1413 }
1414 printf("%*sDefault Density: %s\n", indent, "",
1415 (entry->value_unsigned & MT_DENS_DEFLT) ? "Yes" :
1416 "No");
1417 printf("%*sDuplicate Density: %s\n", indent, "",
1418 (entry->value_unsigned & MT_DENS_DUP) ? "Yes" :
1419 "No");
1420 } else if (strcmp(entry->entry_name, "media_width") == 0) {
1421 printf("%*s%s (%s): %.1f mm\n", indent, "",
1422 entry->desc ? entry->desc : "", entry->entry_name,
1423 (double)((double)entry->value_unsigned / 10));
1424 } else if (strcmp(entry->entry_name, "medium_length") == 0) {
1425 printf("%*s%s (%s): %ju m\n", indent, "",
1426 entry->desc ? entry->desc : "", entry->entry_name,
1427 (uintmax_t)entry->value_unsigned);
1428 } else if (strcmp(entry->entry_name, "capacity") == 0) {
1429 printf("%*s%s (%s): %ju MB\n", indent, "", entry->desc ?
1430 entry->desc : "", entry->entry_name,
1431 (uintmax_t)entry->value_unsigned);
1432 } else {
1433 printf("%*s%s (%s): %s\n", indent, "", entry->desc ?
1434 entry->desc : "", entry->entry_name, entry->value);
1435 }
1436 }
1437
1438 return (retval);
1439 }
1440
1441 int
mt_print_density_report(struct mt_status_entry * report_root,int indent)1442 mt_print_density_report(struct mt_status_entry *report_root, int indent)
1443 {
1444 struct mt_status_entry *mt_report, *media_report;
1445 struct mt_status_entry *entry;
1446 int retval = 0;
1447
1448 mt_report = mt_entry_find(report_root,
1449 __DECONST(char *, MT_MEDIUM_TYPE_REPORT_NAME));
1450 if (mt_report == NULL)
1451 return (1);
1452
1453 media_report = mt_entry_find(report_root,
1454 __DECONST(char *, MT_MEDIA_REPORT_NAME));
1455 if (media_report == NULL)
1456 return (1);
1457
1458 if ((mt_report->value_signed == 0)
1459 && (media_report->value_signed == 0)) {
1460 printf("%*sThis tape drive supports the following "
1461 "media densities:\n", indent, "");
1462 } else if ((mt_report->value_signed == 0)
1463 && (media_report->value_signed != 0)) {
1464 printf("%*sThe tape currently in this drive supports "
1465 "the following media densities:\n", indent, "");
1466 } else if ((mt_report->value_signed != 0)
1467 && (media_report->value_signed == 0)) {
1468 printf("%*sThis tape drive supports the following "
1469 "media types:\n", indent, "");
1470 } else {
1471 printf("%*sThis tape currently in this drive supports "
1472 "the following media types:\n", indent, "");
1473 }
1474
1475 STAILQ_FOREACH(entry, &report_root->child_entries, links) {
1476 struct mt_status_nv *nv;
1477
1478 if (strcmp(entry->entry_name, MT_DENSITY_ENTRY_NAME) != 0)
1479 continue;
1480
1481 STAILQ_FOREACH(nv, &entry->nv_list, links) {
1482 if (strcmp(nv->name, "num") != 0)
1483 continue;
1484
1485 break;
1486 }
1487
1488 indent += 2;
1489
1490 printf("%*sDensity Entry", indent, "");
1491 if (nv != NULL)
1492 printf(" %s", nv->value);
1493 printf(":\n");
1494
1495 retval = mt_print_density_entry(entry, indent + 2);
1496
1497 indent -= 2;
1498 }
1499
1500 return (retval);
1501 }
1502
1503 int
mt_print_density(struct mt_status_entry * density_root,int indent)1504 mt_print_density(struct mt_status_entry *density_root, int indent)
1505 {
1506 struct mt_status_entry *entry;
1507 int retval = 0;
1508
1509 /*
1510 * We should have this entry for every tape drive. This particular
1511 * value is reported via the mode page block header, not the
1512 * SCSI REPORT DENSITY SUPPORT command.
1513 */
1514 entry = mt_entry_find(density_root,
1515 __DECONST(char *, MT_MEDIA_DENSITY_NAME));
1516 if (entry == NULL)
1517 errx(1, "Unable to find node %s", MT_MEDIA_DENSITY_NAME);
1518
1519 printf("%*sCurrent density: %s\n", indent, "",
1520 denstostring(entry->value_unsigned));
1521
1522 /*
1523 * It isn't an error if we don't have any density reports. Tape
1524 * drives that don't support the REPORT DENSITY SUPPORT command
1525 * won't have any; they will only have the current density entry
1526 * above.
1527 */
1528 STAILQ_FOREACH(entry, &density_root->child_entries, links) {
1529 if (strcmp(entry->entry_name, MT_DENSITY_REPORT_NAME) != 0)
1530 continue;
1531
1532 retval = mt_print_density_report(entry, indent);
1533 }
1534
1535 return (retval);
1536 }
1537
1538 int
mt_getdensity(int argc,char ** argv,char * xml_str,struct mt_status_data * status_data)1539 mt_getdensity(int argc, char **argv, char *xml_str,
1540 struct mt_status_data *status_data)
1541 {
1542 int retval = 0;
1543 int xml_dump = 0;
1544 struct mt_status_entry *density_root = NULL;
1545 int c;
1546
1547 while ((c = getopt(argc, argv, "vx")) != -1) {
1548 switch (c) {
1549 case 'v':
1550 /* Ignore. */
1551 break;
1552 case 'x':
1553 xml_dump = 1;
1554 break;
1555 }
1556 }
1557
1558 if (xml_dump != 0) {
1559 printf("%s", xml_str);
1560 return (0);
1561 }
1562
1563 density_root = mt_status_entry_find(status_data,
1564 __DECONST(char *, MT_DENSITY_ROOT_NAME));
1565 if (density_root == NULL)
1566 errx(1, "Cannot find density root node %s",
1567 MT_DENSITY_ROOT_NAME);
1568
1569 retval = mt_print_density(density_root, 0);
1570
1571 return (retval);
1572 }
1573
1574 static void
warn_eof(void)1575 warn_eof(void)
1576 {
1577 fprintf(stderr,
1578 "The \"eof\" command has been disabled.\n"
1579 "Use \"weof\" if you really want to write end-of-file marks,\n"
1580 "or \"eom\" if you rather want to skip to the end of "
1581 "recorded medium.\n");
1582 exit(1);
1583 }
1584