xref: /freebsd/usr.sbin/zonectl/zonectl.c (revision 7ef62cebc2f965b0f640263e179276928885e33d)
1 /*-
2  * Copyright (c) 2015, 2016 Spectra Logic Corporation
3  * 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  *    without modification.
11  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12  *    substantially similar to the "NO WARRANTY" disclaimer below
13  *    ("Disclaimer") and any redistribution must be conditioned upon
14  *    including a substantially similar Disclaimer requirement for further
15  *    binary redistribution.
16  *
17  * NO WARRANTY
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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,
26  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28  * POSSIBILITY OF SUCH DAMAGES.
29  *
30  * Authors: Ken Merry           (Spectra Logic Corporation)
31  */
32 
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
35 
36 #include <sys/ioctl.h>
37 #include <sys/stdint.h>
38 #include <sys/types.h>
39 #include <sys/endian.h>
40 #include <sys/sbuf.h>
41 #include <sys/queue.h>
42 #include <sys/disk.h>
43 #include <sys/disk_zone.h>
44 #include <stdio.h>
45 #include <stdlib.h>
46 #include <inttypes.h>
47 #include <unistd.h>
48 #include <string.h>
49 #include <strings.h>
50 #include <fcntl.h>
51 #include <ctype.h>
52 #include <limits.h>
53 #include <err.h>
54 #include <locale.h>
55 
56 #include <cam/cam.h>
57 #include <cam/cam_debug.h>
58 #include <cam/cam_ccb.h>
59 #include <cam/scsi/scsi_all.h>
60 
61 static struct scsi_nv zone_cmd_map[] = {
62 	{ "rz", DISK_ZONE_REPORT_ZONES },
63 	{ "reportzones", DISK_ZONE_REPORT_ZONES },
64 	{ "close", DISK_ZONE_CLOSE },
65 	{ "finish", DISK_ZONE_FINISH },
66 	{ "open", DISK_ZONE_OPEN },
67 	{ "rwp", DISK_ZONE_RWP },
68 	{ "params", DISK_ZONE_GET_PARAMS }
69 };
70 
71 static struct scsi_nv zone_rep_opts[] = {
72 	{ "all", DISK_ZONE_REP_ALL },
73 	{ "empty", DISK_ZONE_REP_EMPTY },
74 	{ "imp_open", DISK_ZONE_REP_IMP_OPEN },
75 	{ "exp_open", DISK_ZONE_REP_EXP_OPEN },
76 	{ "closed", DISK_ZONE_REP_CLOSED },
77 	{ "full", DISK_ZONE_REP_FULL },
78 	{ "readonly", DISK_ZONE_REP_READONLY },
79 	{ "ro", DISK_ZONE_REP_READONLY },
80 	{ "offline", DISK_ZONE_REP_OFFLINE },
81 	{ "reset", DISK_ZONE_REP_RWP },
82 	{ "rwp", DISK_ZONE_REP_RWP },
83 	{ "nonseq", DISK_ZONE_REP_NON_SEQ },
84 	{ "nonwp", DISK_ZONE_REP_NON_WP }
85 };
86 
87 
88 typedef enum {
89 	ZONE_OF_NORMAL	= 0x00,
90 	ZONE_OF_SUMMARY	= 0x01,
91 	ZONE_OF_SCRIPT	= 0x02
92 } zone_output_flags;
93 
94 static struct scsi_nv zone_print_opts[] = {
95 	{ "normal", ZONE_OF_NORMAL },
96 	{ "summary", ZONE_OF_SUMMARY },
97 	{ "script", ZONE_OF_SCRIPT }
98 };
99 
100 static struct scsi_nv zone_cmd_desc_table[] = {
101 	{"Report Zones", DISK_ZONE_RZ_SUP },
102 	{"Open", DISK_ZONE_OPEN_SUP },
103 	{"Close", DISK_ZONE_CLOSE_SUP },
104 	{"Finish", DISK_ZONE_FINISH_SUP },
105 	{"Reset Write Pointer", DISK_ZONE_RWP_SUP }
106 };
107 
108 typedef enum {
109 	ZONE_PRINT_OK,
110 	ZONE_PRINT_MORE_DATA,
111 	ZONE_PRINT_ERROR
112 } zone_print_status;
113 
114 typedef enum {
115 	ZONE_FW_START,
116 	ZONE_FW_LEN,
117 	ZONE_FW_WP,
118 	ZONE_FW_TYPE,
119 	ZONE_FW_COND,
120 	ZONE_FW_SEQ,
121 	ZONE_FW_RESET,
122 	ZONE_NUM_FIELDS
123 } zone_field_widths;
124 
125 
126 static void usage(int error);
127 static void zonectl_print_params(struct disk_zone_disk_params *params);
128 zone_print_status zonectl_print_rz(struct disk_zone_report *report,
129 				   zone_output_flags out_flags, int first_pass);
130 
131 static void
132 usage(int error)
133 {
134 	fprintf(error ? stderr : stdout,
135 "usage: zonectl <-d dev> <-c cmd> [-a][-o rep_opts] [-l lba][-P print_opts]\n"
136 	);
137 }
138 
139 static void
140 zonectl_print_params(struct disk_zone_disk_params *params)
141 {
142 	unsigned int i;
143 	int first;
144 
145 	printf("Zone Mode: ");
146 	switch (params->zone_mode) {
147 	case DISK_ZONE_MODE_NONE:
148 		printf("None");
149 		break;
150 	case DISK_ZONE_MODE_HOST_AWARE:
151 		printf("Host Aware");
152 		break;
153 	case DISK_ZONE_MODE_DRIVE_MANAGED:
154 		printf("Drive Managed");
155 		break;
156 	case DISK_ZONE_MODE_HOST_MANAGED:
157 		printf("Host Managed");
158 		break;
159 	default:
160 		printf("Unknown mode %#x", params->zone_mode);
161 		break;
162 	}
163 	printf("\n");
164 
165 	first = 1;
166 	printf("Command support: ");
167 	for (i = 0; i < sizeof(zone_cmd_desc_table) /
168 	     sizeof(zone_cmd_desc_table[0]); i++) {
169 		if (params->flags & zone_cmd_desc_table[i].value) {
170 			if (first == 0)
171 				printf(", ");
172 			else
173 				first = 0;
174 			printf("%s", zone_cmd_desc_table[i].name);
175 		}
176 	}
177 	if (first == 1)
178 		printf("None");
179 	printf("\n");
180 
181 	printf("Unrestricted Read in Sequential Write Required Zone "
182 	    "(URSWRZ): %s\n", (params->flags & DISK_ZONE_DISK_URSWRZ) ?
183 	    "Yes" : "No");
184 
185 	printf("Optimal Number of Open Sequential Write Preferred Zones: ");
186 	if (params->flags & DISK_ZONE_OPT_SEQ_SET)
187 		if (params->optimal_seq_zones == SVPD_ZBDC_OPT_SEQ_NR)
188 			printf("Not Reported");
189 		else
190 			printf("%ju", (uintmax_t)params->optimal_seq_zones);
191 	else
192 		printf("Not Set");
193 	printf("\n");
194 
195 
196 	printf("Optimal Number of Non-Sequentially Written Sequential Write "
197 	   "Preferred Zones: ");
198 	if (params->flags & DISK_ZONE_OPT_NONSEQ_SET)
199 		if (params->optimal_nonseq_zones == SVPD_ZBDC_OPT_NONSEQ_NR)
200 			printf("Not Reported");
201 		else
202 			printf("%ju",(uintmax_t)params->optimal_nonseq_zones);
203 	else
204 		printf("Not Set");
205 	printf("\n");
206 
207 	printf("Maximum Number of Open Sequential Write Required Zones: ");
208 	if (params->flags & DISK_ZONE_MAX_SEQ_SET)
209 		if (params->max_seq_zones == SVPD_ZBDC_MAX_SEQ_UNLIMITED)
210 			printf("Unlimited");
211 		else
212 			printf("%ju", (uintmax_t)params->max_seq_zones);
213 	else
214 		printf("Not Set");
215 	printf("\n");
216 }
217 
218 zone_print_status
219 zonectl_print_rz(struct disk_zone_report *report, zone_output_flags out_flags,
220 		 int first_pass)
221 {
222 	zone_print_status status = ZONE_PRINT_OK;
223 	struct disk_zone_rep_header *header = &report->header;
224 	int field_widths[ZONE_NUM_FIELDS];
225 	struct disk_zone_rep_entry *entry;
226 	uint64_t next_lba = 0;
227 	char tmpstr[80];
228 	char word_sep;
229 	uint32_t i;
230 
231 	field_widths[ZONE_FW_START] = 11;
232 	field_widths[ZONE_FW_LEN] = 6;
233 	field_widths[ZONE_FW_WP] = 11;
234 	field_widths[ZONE_FW_TYPE] = 13;
235 	field_widths[ZONE_FW_COND] = 13;
236 	field_widths[ZONE_FW_SEQ] = 14;
237 	field_widths[ZONE_FW_RESET] = 16;
238 
239 	if ((report->entries_available - report->entries_filled) > 0)
240 		status = ZONE_PRINT_MORE_DATA;
241 
242 	if (out_flags == ZONE_OF_SCRIPT)
243 		word_sep = '_';
244 	else
245 		word_sep = ' ';
246 
247 	if ((out_flags != ZONE_OF_SCRIPT)
248 	 && (first_pass != 0)) {
249 		printf("%u zones, Maximum LBA %#jx (%ju)\n",
250 		    report->entries_available,
251 		    (uintmax_t)header->maximum_lba,
252 		    (uintmax_t)header->maximum_lba);
253 
254 		switch (header->same) {
255 		case DISK_ZONE_SAME_ALL_DIFFERENT:
256 			printf("Zone lengths and types may vary\n");
257 			break;
258 		case DISK_ZONE_SAME_ALL_SAME:
259 			printf("Zone lengths and types are all the same\n");
260 			break;
261 		case DISK_ZONE_SAME_LAST_DIFFERENT:
262 			printf("Zone types are the same, last zone length "
263 			    "differs\n");
264 			break;
265 		case DISK_ZONE_SAME_TYPES_DIFFERENT:
266 			printf("Zone lengths are the same, types vary\n");
267 			break;
268 		default:
269 			printf("Unknown SAME field value %#x\n",header->same);
270 			break;
271 		}
272 	}
273 	if (out_flags == ZONE_OF_SUMMARY) {
274 		status = ZONE_PRINT_OK;
275 		goto bailout;
276 	}
277 
278 	if ((out_flags == ZONE_OF_NORMAL)
279 	 && (first_pass != 0)) {
280 		printf("%*s  %*s  %*s  %*s  %*s  %*s  %*s\n",
281 		    field_widths[ZONE_FW_START], "Start LBA",
282 		    field_widths[ZONE_FW_LEN], "Length",
283 		    field_widths[ZONE_FW_WP], "WP LBA",
284 		    field_widths[ZONE_FW_TYPE], "Zone Type",
285 		    field_widths[ZONE_FW_COND], "Condition",
286 		    field_widths[ZONE_FW_SEQ], "Sequential",
287 		    field_widths[ZONE_FW_RESET], "Reset");
288 	}
289 
290 	for (i = 0; i < report->entries_filled; i++) {
291 		entry = &report->entries[i];
292 
293 		printf("%#*jx, %*ju, %#*jx, ", field_widths[ZONE_FW_START],
294 		    (uintmax_t)entry->zone_start_lba,
295 		    field_widths[ZONE_FW_LEN],
296 		    (uintmax_t)entry->zone_length, field_widths[ZONE_FW_WP],
297 		    (uintmax_t)entry->write_pointer_lba);
298 
299 		switch (entry->zone_type) {
300 		case DISK_ZONE_TYPE_CONVENTIONAL:
301 			snprintf(tmpstr, sizeof(tmpstr), "Conventional");
302 			break;
303 		case DISK_ZONE_TYPE_SEQ_PREFERRED:
304 		case DISK_ZONE_TYPE_SEQ_REQUIRED:
305 			snprintf(tmpstr, sizeof(tmpstr), "Seq%c%s",
306 			    word_sep, (entry->zone_type ==
307 			    DISK_ZONE_TYPE_SEQ_PREFERRED) ? "Preferred" :
308 			    "Required");
309 			break;
310 		default:
311 			snprintf(tmpstr, sizeof(tmpstr), "Zone%ctype%c%#x",
312 			    word_sep, word_sep, entry->zone_type);
313 			break;
314 		}
315 		printf("%*s, ", field_widths[ZONE_FW_TYPE], tmpstr);
316 
317 		switch (entry->zone_condition) {
318 		case DISK_ZONE_COND_NOT_WP:
319 			snprintf(tmpstr, sizeof(tmpstr), "NWP");
320 			break;
321 		case DISK_ZONE_COND_EMPTY:
322 			snprintf(tmpstr, sizeof(tmpstr), "Empty");
323 			break;
324 		case DISK_ZONE_COND_IMPLICIT_OPEN:
325 			snprintf(tmpstr, sizeof(tmpstr), "Implicit%cOpen",
326 			    word_sep);
327 			break;
328 		case DISK_ZONE_COND_EXPLICIT_OPEN:
329 			snprintf(tmpstr, sizeof(tmpstr), "Explicit%cOpen",
330 			    word_sep);
331 			break;
332 		case DISK_ZONE_COND_CLOSED:
333 			snprintf(tmpstr, sizeof(tmpstr), "Closed");
334 			break;
335 		case DISK_ZONE_COND_READONLY:
336 			snprintf(tmpstr, sizeof(tmpstr), "Readonly");
337 			break;
338 		case DISK_ZONE_COND_FULL:
339 			snprintf(tmpstr, sizeof(tmpstr), "Full");
340 			break;
341 		case DISK_ZONE_COND_OFFLINE:
342 			snprintf(tmpstr, sizeof(tmpstr), "Offline");
343 			break;
344 		default:
345 			snprintf(tmpstr, sizeof(tmpstr), "%#x",
346 			    entry->zone_condition);
347 			break;
348 		}
349 
350 		printf("%*s, ", field_widths[ZONE_FW_COND], tmpstr);
351 
352 		if (entry->zone_flags & DISK_ZONE_FLAG_NON_SEQ)
353 			snprintf(tmpstr, sizeof(tmpstr), "Non%cSequential",
354 			    word_sep);
355 		else
356 			snprintf(tmpstr, sizeof(tmpstr), "Sequential");
357 
358 		printf("%*s, ", field_widths[ZONE_FW_SEQ], tmpstr);
359 
360 		if (entry->zone_flags & DISK_ZONE_FLAG_RESET)
361 			snprintf(tmpstr, sizeof(tmpstr), "Reset%cNeeded",
362 			    word_sep);
363 		else
364 			snprintf(tmpstr, sizeof(tmpstr), "No%cReset%cNeeded",
365 			    word_sep, word_sep);
366 
367 		printf("%*s\n", field_widths[ZONE_FW_RESET], tmpstr);
368 
369 		next_lba = entry->zone_start_lba + entry->zone_length;
370 	}
371 bailout:
372 	report->starting_id = next_lba;
373 
374 	return (status);
375 }
376 
377 int
378 main(int argc, char **argv)
379 {
380 	int c;
381 	int all_zones = 0;
382 	int error = 0;
383 	int action = -1, rep_option = -1;
384 	int fd = -1;
385 	uint64_t lba = 0;
386 	zone_output_flags out_flags = ZONE_OF_NORMAL;
387 	char *filename = NULL;
388 	struct disk_zone_args zone_args;
389 	struct disk_zone_rep_entry *entries = NULL;
390 	uint32_t num_entries = 16384;
391 	zone_print_status zp_status;
392 	int first_pass = 1;
393 	size_t entry_alloc_size;
394 	int open_flags = O_RDONLY;
395 
396 	while ((c = getopt(argc, argv, "ac:d:hl:o:P:?")) != -1) {
397 		switch (c) {
398 		case 'a':
399 			all_zones = 1;
400 			break;
401 		case 'c': {
402 			scsi_nv_status status;
403 			int entry_num;
404 
405 			status = scsi_get_nv(zone_cmd_map,
406 			    (sizeof(zone_cmd_map) / sizeof(zone_cmd_map[0])),
407 			    optarg, &entry_num, SCSI_NV_FLAG_IG_CASE);
408 			if (status == SCSI_NV_FOUND)
409 				action = zone_cmd_map[entry_num].value;
410 			else {
411 				warnx("%s: %s: %s option %s", __func__,
412 				    (status == SCSI_NV_AMBIGUOUS) ?
413 				    "ambiguous" : "invalid", "zone command",
414 				    optarg);
415 				error = 1;
416 				goto bailout;
417 			}
418 			break;
419 		}
420 		case 'd':
421 			filename = strdup(optarg);
422 			if (filename == NULL)
423 				err(1, "Unable to allocate memory for "
424 				    "filename");
425 			break;
426 		case 'l': {
427 			char *endptr;
428 
429 			lba = strtoull(optarg, &endptr, 0);
430 			if (*endptr != '\0') {
431 				warnx("%s: invalid lba argument %s", __func__,
432 				    optarg);
433 				error = 1;
434 				goto bailout;
435 			}
436 			break;
437 		}
438 		case 'o': {
439 			scsi_nv_status status;
440 			int entry_num;
441 
442 			status = scsi_get_nv(zone_rep_opts,
443 			    (sizeof(zone_rep_opts) /
444 			    sizeof(zone_rep_opts[0])),
445 			    optarg, &entry_num, SCSI_NV_FLAG_IG_CASE);
446 			if (status == SCSI_NV_FOUND)
447 				rep_option = zone_rep_opts[entry_num].value;
448 			else {
449 				warnx("%s: %s: %s option %s", __func__,
450 				    (status == SCSI_NV_AMBIGUOUS) ?
451 				    "ambiguous" : "invalid", "report zones",
452 				    optarg);
453 				error = 1;
454 				goto bailout;
455 			}
456 			break;
457 		}
458 		case 'P': {
459 			scsi_nv_status status;
460 			int entry_num;
461 
462 			status = scsi_get_nv(zone_print_opts,
463 			    (sizeof(zone_print_opts) /
464 			    sizeof(zone_print_opts[0])), optarg, &entry_num,
465 			    SCSI_NV_FLAG_IG_CASE);
466 			if (status == SCSI_NV_FOUND)
467 				out_flags = zone_print_opts[entry_num].value;
468 			else {
469 				warnx("%s: %s: %s option %s", __func__,
470 				    (status == SCSI_NV_AMBIGUOUS) ?
471 				    "ambiguous" : "invalid", "print",
472 				    optarg);
473 				error = 1;
474 				goto bailout;
475 			}
476 			break;
477 		}
478 		default:
479 			error = 1;
480 		case 'h': /*FALLTHROUGH*/
481 			usage(error);
482 			goto bailout;
483 			break; /*NOTREACHED*/
484 		}
485 	}
486 
487 	if (filename == NULL) {
488 		warnx("You must specify a device with -d");
489 		error = 1;
490 	}
491 	if (action == -1) {
492 		warnx("You must specify an action with -c");
493 		error = 1;
494 	}
495 
496 	if (error != 0) {
497 		usage(error);
498 		goto bailout;
499 	}
500 
501 	bzero(&zone_args, sizeof(zone_args));
502 
503 	zone_args.zone_cmd = action;
504 
505 	switch (action) {
506 	case DISK_ZONE_OPEN:
507 	case DISK_ZONE_CLOSE:
508 	case DISK_ZONE_FINISH:
509 	case DISK_ZONE_RWP:
510 		open_flags = O_RDWR;
511 		zone_args.zone_params.rwp.id = lba;
512 		if (all_zones != 0)
513 			zone_args.zone_params.rwp.flags |=
514 			    DISK_ZONE_RWP_FLAG_ALL;
515 		break;
516 	case DISK_ZONE_REPORT_ZONES: {
517 		entry_alloc_size = num_entries *
518 		    sizeof(struct disk_zone_rep_entry);
519 		entries = malloc(entry_alloc_size);
520 		if (entries == NULL) {
521 			warn("Could not allocate %zu bytes",
522 			    entry_alloc_size);
523 			error = 1;
524 			goto bailout;
525 		}
526 		zone_args.zone_params.report.entries_allocated = num_entries;
527 		zone_args.zone_params.report.entries = entries;
528 		zone_args.zone_params.report.starting_id = lba;
529 		if (rep_option != -1)
530 			zone_args.zone_params.report.rep_options = rep_option;
531 		break;
532 	}
533 	case DISK_ZONE_GET_PARAMS:
534 		break;
535 	default:
536 		warnx("Unknown action %d", action);
537 		error = 1;
538 		goto bailout;
539 		break; /*NOTREACHED*/
540 	}
541 
542 	fd = open(filename, open_flags);
543 	if (fd == -1) {
544 		warn("Unable to open device %s", filename);
545 		error = 1;
546 		goto bailout;
547 	}
548 next_chunk:
549 	error = ioctl(fd, DIOCZONECMD, &zone_args);
550 	if (error == -1) {
551 		warn("DIOCZONECMD ioctl failed");
552 		error = 1;
553 		goto bailout;
554 	}
555 
556 	switch (action) {
557 	case DISK_ZONE_OPEN:
558 	case DISK_ZONE_CLOSE:
559 	case DISK_ZONE_FINISH:
560 	case DISK_ZONE_RWP:
561 		break;
562 	case DISK_ZONE_REPORT_ZONES:
563 		zp_status = zonectl_print_rz(&zone_args.zone_params.report,
564 		    out_flags, first_pass);
565 		if (zp_status == ZONE_PRINT_MORE_DATA) {
566 			first_pass = 0;
567 			bzero(entries, entry_alloc_size);
568 			zone_args.zone_params.report.entries_filled = 0;
569 			goto next_chunk;
570 		} else if (zp_status == ZONE_PRINT_ERROR)
571 			error = 1;
572 		break;
573 	case DISK_ZONE_GET_PARAMS:
574 		zonectl_print_params(&zone_args.zone_params.disk_params);
575 		break;
576 	default:
577 		warnx("Unknown action %d", action);
578 		error = 1;
579 		goto bailout;
580 		break; /*NOTREACHED*/
581 	}
582 bailout:
583 	free(entries);
584 
585 	if (fd != -1)
586 		close(fd);
587 	exit (error);
588 }
589