xref: /titanic_41/usr/src/cmd/format/menu_defect.c (revision 56f9a274cc7ca7f2d6f19959b2db143d94a4e7e0)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 /*
27  * This file contains functions to implement the defect menu commands.
28  */
29 #include "global.h"
30 #include <unistd.h>
31 #include <string.h>
32 #include "misc.h"
33 #include "menu_defect.h"
34 #include "param.h"
35 #include "ctlr_scsi.h"
36 
37 /*
38  * This is the working defect list.  All the commands here operate on
39  * the working list, except for 'commit'.  This way the user can
40  * change his mind at any time without having mangled the current defect
41  * list.
42  */
43 struct	defect_list work_list;
44 
45 #ifdef __STDC__
46 
47 /* Function prototypes for ANSI C Compilers */
48 static int	commit_list(void);
49 
50 #else	/* __STDC__ */
51 
52 /* Function prototypes for non-ANSI C Compilers */
53 static int	commit_list();
54 
55 #endif	/* __STDC__ */
56 
57 /*
58  * This routine implements the 'restore' command.  It sets the working
59  * list equal to the current list.
60  */
61 int
62 d_restore()
63 {
64 	int	i;
65 
66 	assert(!EMBEDDED_SCSI);
67 
68 	/*
69 	 * If the working list has not been modified, there's nothing to do.
70 	 */
71 	if (!(work_list.flags & LIST_DIRTY)) {
72 		err_print("working list was not modified.\n");
73 		return (0);
74 	}
75 	/*
76 	 * Make sure the user is serious.
77 	 */
78 	if (check("Ready to update working list, continue"))
79 		return (-1);
80 	/*
81 	 * Lock out interrupts so the lists can't get mangled.
82 	 */
83 	enter_critical();
84 	/*
85 	 * Kill off the old working list.
86 	 */
87 	kill_deflist(&work_list);
88 	/*
89 	 * If the current isn't null, set the working list to be a
90 	 * copy of it.
91 	 */
92 	if (cur_list.list != NULL) {
93 		work_list.header = cur_list.header;
94 		work_list.list = (struct defect_entry *)zalloc(
95 		    deflist_size(cur_blksz, work_list.header.count) *
96 		    cur_blksz);
97 		for (i = 0; i < work_list.header.count; i++)
98 			*(work_list.list + i) = *(cur_list.list + i);
99 	}
100 	/*
101 	 * Initialize the flags since they are now in sync.
102 	 */
103 	work_list.flags = 0;
104 	if (work_list.list == NULL)
105 		fmt_print("working list set to null.\n\n");
106 	else
107 		fmt_print("working list updated, total of %d defects.\n\n",
108 		    work_list.header.count);
109 	exit_critical();
110 	return (0);
111 }
112 
113 /*
114  * This routine implements the 'original' command.  It extracts the
115  * manufacturer's defect list from the current disk.
116  */
117 int
118 d_original()
119 {
120 	int	status;
121 
122 
123 	/*
124 	 * If the controller does not support the extraction, we're out
125 	 * of luck.
126 	 */
127 	if (cur_ops->op_ex_man == NULL) {
128 		err_print("Controller does not support extracting ");
129 		err_print("manufacturer's defect list.\n");
130 		return (-1);
131 	}
132 	/*
133 	 * Make sure the user is serious.  Note, for SCSI disks
134 	 * since this is instantaneous, we will just do it and
135 	 * not ask for confirmation.
136 	 */
137 	if (!(cur_ctype->ctype_flags & CF_CONFIRM) &&
138 	    check(
139 "Ready to update working list. This cannot be interrupted\n\
140 and may take a long while. Continue"))
141 		return (-1);
142 	/*
143 	 * Lock out interrupts so we don't get half the list.
144 	 */
145 	enter_critical();
146 	/*
147 	 * Kill off the working list.
148 	 */
149 	kill_deflist(&work_list);
150 	fmt_print("Extracting manufacturer's defect list...");
151 	/*
152 	 * Do the extraction.
153 	 */
154 	status = (*cur_ops->op_ex_man)(&work_list);
155 	if (status)
156 		fmt_print("Extraction failed.\n\n");
157 	else {
158 		fmt_print("Extraction complete.\n");
159 		fmt_print("Working list updated, total of %d defects.\n\n",
160 		    work_list.header.count);
161 	}
162 	/*
163 	 * Mark the working list dirty since we modified it.
164 	 */
165 	work_list.flags |= LIST_DIRTY;
166 	exit_critical();
167 	/*
168 	 * Return status.
169 	 */
170 	return (status);
171 }
172 
173 /*
174  * This routine implements the 'extract' command.  It extracts the
175  * entire defect list from the current disk.
176  */
177 int
178 d_extract()
179 {
180 	int	status;
181 
182 	/*
183 	 * If the controller does not support the extraction, we are out
184 	 * of luck.
185 	 */
186 	if (cur_ops->op_ex_cur == NULL) {
187 		err_print("Controller does not support extracting ");
188 		err_print("current defect list.\n");
189 		return (-1);
190 	}
191 
192 	/*
193 	 * If disk is unformatted, you really shouldn't do this.
194 	 * However, ask user to be sure.
195 	 */
196 	if (! (cur_flags & DISK_FORMATTED) &&
197 	    (check(
198 "Cannot extract defect list from an unformatted disk. Continue")))
199 		return (-1);
200 
201 	/*
202 	 * If this takes a long time, let's ask the user if he
203 	 * doesn't mind waiting.  Note, for SCSI disks
204 	 * this operation is instantaneous so we won't ask for
205 	 * for confirmation.
206 	 */
207 	if (! (cur_ctype->ctype_flags & CF_CONFIRM) &&
208 	    check(
209 "Ready to extract working list. This cannot be interrupted\n\
210 and may take a long while. Continue"))
211 		return (-1);
212 	/*
213 	 * Lock out interrupts so we don't get half the list and
214 	 * Kill off the working list.
215 	 */
216 	enter_critical();
217 	kill_deflist(&work_list);
218 	fmt_print("Extracting defect list...");
219 
220 	/*
221 	 * Do the extraction.
222 	 */
223 	status = (*cur_ops->op_ex_cur)(&work_list);
224 	if (status) {
225 		if (!EMBEDDED_SCSI) {
226 			if (cur_flags & DISK_FORMATTED)
227 				read_list(&work_list);
228 
229 			if (work_list.list != NULL) {
230 				status = 0;
231 				fmt_print("Extraction complete.\n");
232 				fmt_print(
233 "Working list updated, total of %d defects.\n\n",
234 				    work_list.header.count);
235 			} else {
236 				fmt_print("Extraction failed.\n\n");
237 			}
238 		} else {
239 			fmt_print("Extraction failed.\n\n");
240 		}
241 	} else {
242 		fmt_print("Extraction complete.\n");
243 		fmt_print("Working list updated, total of %d defects.\n\n",
244 		    work_list.header.count);
245 	}
246 	/*
247 	 * Mark the working list dirty since we modified it.
248 	 */
249 	work_list.flags |= LIST_DIRTY;
250 	exit_critical();
251 	/*
252 	 * Return status.
253 	 */
254 	return (status);
255 }
256 
257 /*
258  * This routine implements the 'add' command.  It allows the user to
259  * enter the working defect list manually.  It loops infinitely until
260  * the user breaks out with a ctrl-C.
261  */
262 int
263 d_add()
264 {
265 	int			type, deflt, index;
266 	diskaddr_t		bn;
267 	u_ioparam_t		ioparam;
268 	struct defect_entry	def;
269 
270 	assert(!EMBEDDED_SCSI);
271 
272 	/*
273 	 * Ask the user which mode of input he'd like to use.
274 	 */
275 	fmt_print("        0. bytes-from-index\n");
276 	fmt_print("        1. logical block\n");
277 	deflt = 0;
278 	ioparam.io_bounds.lower = 0;
279 	ioparam.io_bounds.upper = 1;
280 	type = input(FIO_INT, "Select input format (enter its number)", ':',
281 	    &ioparam, &deflt, DATA_INPUT);
282 	fmt_print("\nEnter Control-C to terminate.\n");
283 loop:
284 	if (type) {
285 		/*
286 		 * Mode selected is logical block.  Input the defective block
287 		 * and fill in the defect entry with the info.
288 		 */
289 		def.bfi = def.nbits = UNKNOWN;
290 		ioparam.io_bounds.lower = 0;
291 		if (cur_disk->label_type == L_TYPE_SOLARIS) {
292 			ioparam.io_bounds.upper = physsects() - 1;
293 		} else {
294 			ioparam.io_bounds.upper = cur_parts->etoc->efi_last_lba;
295 		}
296 		bn = input(FIO_BN, "Enter defective block number", ':',
297 		    &ioparam, (int *)NULL, DATA_INPUT);
298 		def.cyl = bn2c(bn);
299 		def.head = bn2h(bn);
300 		def.sect = bn2s(bn);
301 	} else {
302 		/*
303 		 * Mode selected is bytes-from-index.  Input the information
304 		 * about the defect and fill in the defect entry.
305 		 */
306 		def.sect = UNKNOWN;
307 		ioparam.io_bounds.lower = 0;
308 		ioparam.io_bounds.upper = pcyl - 1;
309 		def.cyl = input(FIO_INT,
310 		    "Enter defect's cylinder number", ':',
311 		    &ioparam, (int *)NULL, DATA_INPUT);
312 		ioparam.io_bounds.upper = nhead - 1;
313 		def.head = input(FIO_INT, "Enter defect's head number",
314 		    ':', &ioparam, (int *)NULL, DATA_INPUT);
315 		ioparam.io_bounds.upper = cur_dtype->dtype_bpt - 1;
316 		def.bfi = input(FIO_INT, "Enter defect's bytes-from-index",
317 		    ':', &ioparam, (int *)NULL, DATA_INPUT);
318 		ioparam.io_bounds.lower = -1;
319 		ioparam.io_bounds.upper = (cur_dtype->dtype_bpt - def.bfi) * 8;
320 		if (ioparam.io_bounds.upper >= 32 * 1024)
321 			ioparam.io_bounds.upper = 32 * 1024 - 1;
322 		/*
323 		 * Note: a length of -1 means the length is not known.  We
324 		 * make this the default value.
325 		 */
326 		deflt = -1;
327 		def.nbits = input(FIO_INT, "Enter defect's length (in bits)",
328 		    ':', &ioparam, &deflt, DATA_INPUT);
329 	}
330 	/*
331 	 * Calculate where in the defect list this defect belongs
332 	 * and print it out.
333 	 */
334 	index = sort_defect(&def, &work_list);
335 	fmt_print(DEF_PRINTHEADER);
336 	pr_defect(&def, index);
337 
338 	/*
339 	 * Lock out interrupts so lists don't get mangled.
340 	 * Also, mark the working list dirty since we are modifying it.
341 	 */
342 	enter_critical();
343 	work_list.flags |= LIST_DIRTY;
344 	/*
345 	 * If the list is null, create it with zero length.  This is
346 	 * necessary because the routines to add a defect to the list
347 	 * assume the list is initialized.
348 	 */
349 	if (work_list.list == NULL) {
350 		work_list.header.magicno = (uint_t)DEFECT_MAGIC;
351 		work_list.header.count = 0;
352 		work_list.list = (struct defect_entry *)zalloc(
353 		    deflist_size(cur_blksz, 0) * cur_blksz);
354 	}
355 	/*
356 	 * Add the defect to the working list.
357 	 */
358 	add_def(&def, &work_list, index);
359 	fmt_print("defect number %d added.\n\n", index + 1);
360 	exit_critical();
361 	/*
362 	 * Loop back for the next defect.
363 	 */
364 	goto loop;
365 	/*NOTREACHED*/
366 #ifdef	lint
367 	return (0);
368 #endif
369 }
370 
371 /*
372  * This routine implements the 'delete' command.  It allows the user
373  * to manually delete a defect from the working list.
374  */
375 int
376 d_delete()
377 {
378 	int		i, count, num;
379 	u_ioparam_t	ioparam;
380 
381 	assert(!EMBEDDED_SCSI);
382 
383 	/*
384 	 * If the working list is null or zero length, there's nothing
385 	 * to delete.
386 	 */
387 	count = work_list.header.count;
388 	if (work_list.list == NULL || count == 0) {
389 		err_print("No defects to delete.\n");
390 		return (-1);
391 	}
392 	/*
393 	 * Ask the user which defect should be deleted. Bounds are off by
394 	 * one because user sees a one-relative list.
395 	 */
396 	ioparam.io_bounds.lower = 1;
397 	ioparam.io_bounds.upper = count;
398 	num = input(FIO_INT, "Specify defect to be deleted (enter its number)",
399 	    ':', &ioparam, (int *)NULL, DATA_INPUT);
400 	/*
401 	 *
402 	 * The user thinks it's one relative but it's not really.
403 	 */
404 	--num;
405 	/*
406 	 * Print the defect selected and ask the user for confirmation.
407 	 */
408 	fmt_print(DEF_PRINTHEADER);
409 	pr_defect(work_list.list + num, num);
410 	/*
411 	 * Lock out interrupts so the lists don't get mangled.
412 	 */
413 	enter_critical();
414 	/*
415 	 * Move down all the defects beyond the one deleted so the defect
416 	 * list is still fully populated.
417 	 */
418 	for (i = num; i < count - 1; i++)
419 		*(work_list.list + i) = *(work_list.list + i + 1);
420 	/*
421 	 * If the size of the list in sectors has changed, reallocate
422 	 * the list to shrink it appropriately.
423 	 */
424 	if (deflist_size(cur_blksz, count - 1) <
425 	    deflist_size(cur_blksz, count))
426 		work_list.list = (struct defect_entry *)rezalloc(
427 		    (void *)work_list.list,
428 		    deflist_size(cur_blksz, count - 1) * cur_blksz);
429 	/*
430 	 * Decrement the defect count.
431 	 */
432 	work_list.header.count--;
433 	/*
434 	 * Recalculate the list's checksum.
435 	 */
436 	(void) checkdefsum(&work_list, CK_MAKESUM);
437 	/*
438 	 * Mark the working list dirty since we modified it.
439 	 */
440 	work_list.flags |= LIST_DIRTY;
441 	fmt_print("defect number %d deleted.\n\n", ++num);
442 	exit_critical();
443 	return (0);
444 }
445 
446 /*
447  * This routine implements the 'print' command.  It prints the working
448  * defect list out in human-readable format.
449  */
450 int
451 d_print()
452 {
453 	int	i, nomore = 0;
454 	int	c, one_line = 0;
455 	int	tty_lines = get_tty_lines();
456 
457 	/*
458 	 * If the working list is null, there's nothing to print.
459 	 */
460 	if (work_list.list == NULL) {
461 		if (EMBEDDED_SCSI)
462 			err_print(
463 "No list defined,extract primary or grown or both defects list first.\n");
464 		else
465 			err_print("No working list defined.\n");
466 		return (-1);
467 	}
468 	/*
469 	 * If we're running from a file, don't use the paging scheme.
470 	 * If we are running interactive, turn off echoing.
471 	 */
472 	if (option_f || (!isatty(0)) || (!isatty(1)))
473 		nomore++;
474 	else {
475 		enter_critical();
476 		echo_off();
477 		charmode_on();
478 		exit_critical();
479 	}
480 	/* Print out the banner. */
481 	if (work_list.header.count != 0)
482 		fmt_print(DEF_PRINTHEADER);
483 
484 	/*
485 	 * Loop through the each defect in the working list.
486 	 */
487 	for (i = 0; i < work_list.header.count; i++) {
488 		/*
489 		 * If we are paging and hit the end of a page, wait for
490 		 * the user to hit either space-bar, "q", or return
491 		 * before going on.
492 		 */
493 		if (one_line ||
494 		    (!nomore && ((i + 1) % (tty_lines - 1) == 0))) {
495 			/*
496 			 * Get the next character.
497 			 */
498 			fmt_print("- hit space for more - ");
499 			c = getchar();
500 			fmt_print("\015");
501 			one_line = 0;
502 			/* Handle display one line command (return key) */
503 			if (c == '\012') {
504 				one_line++;
505 			}
506 			/* Handle Quit command */
507 			if (c == 'q') {
508 				fmt_print("                       \015");
509 				goto PRINT_EXIT;
510 			}
511 			/* Handle ^D */
512 			if (c == '\004')
513 				fullabort();
514 		}
515 		/*
516 		 * Print the defect.
517 		 */
518 		pr_defect(work_list.list + i, i);
519 	}
520 	fmt_print("total of %d defects.\n\n", i);
521 	/*
522 	 * If we were doing paging, turn echoing back on.
523 	 */
524 PRINT_EXIT:
525 	if (!nomore) {
526 		enter_critical();
527 		charmode_off();
528 		echo_on();
529 		exit_critical();
530 	}
531 	return (0);
532 }
533 
534 /*
535  * This routine implements the 'dump' command.  It writes the working
536  * defect list to a file.
537  */
538 int
539 d_dump()
540 {
541 	int	i, status = 0;
542 	char	*str;
543 	FILE	*fptr;
544 	struct	defect_entry *dptr;
545 
546 	/*
547 	 * If the working list is null, there's nothing to do.
548 	 */
549 	if (work_list.list == NULL) {
550 		if (EMBEDDED_SCSI)
551 			err_print(
552 "No list defined,extract primary or grown or both defects list first.\n");
553 		else
554 			err_print("No working list defined.\n");
555 		return (-1);
556 	}
557 	/*
558 	 * Ask the user for the name of the defect file.  Note that the
559 	 * input will be in malloc'd space since we are inputting
560 	 * type OSTR.
561 	 */
562 	str = (char *)(uintptr_t)input(FIO_OSTR, "Enter name of defect file",
563 	    ':', (u_ioparam_t *)NULL, (int *)NULL, DATA_INPUT);
564 	/*
565 	 * Lock out interrupts so the file doesn't get half written.
566 	 */
567 	enter_critical();
568 	/*
569 	 * Open the file for writing.
570 	 */
571 	if ((fptr = fopen(str, "w+")) == NULL) {
572 		err_print("unable to open defect file.\n");
573 		status = -1;
574 		goto out;
575 	}
576 	/*
577 	 * Print a header containing the magic number, count, and checksum.
578 	 */
579 	(void) fprintf(fptr, "0x%08x%8d  0x%08x\n",
580 	    work_list.header.magicno,
581 	    work_list.header.count, work_list.header.cksum);
582 	/*
583 	 * Loop through each defect in the working list.  Write the
584 	 * defect info to the defect file.
585 	 */
586 	for (i = 0; i < work_list.header.count; i++) {
587 		dptr = work_list.list + i;
588 		(void) fprintf(fptr, "%4d%8d%7d%8d%8d%8d\n",
589 		    i+1, dptr->cyl, dptr->head,
590 		    dptr->bfi, dptr->nbits, dptr->sect);
591 	}
592 	fmt_print("defect file updated, total of %d defects.\n", i);
593 	/*
594 	 * Close the defect file.
595 	 */
596 	(void) fclose(fptr);
597 out:
598 	/*
599 	 * Destroy the string used for the file name.
600 	 */
601 	destroy_data(str);
602 	exit_critical();
603 	fmt_print("\n");
604 	return (status);
605 }
606 
607 /*
608  * This routine implements the 'load' command.  It reads the working
609  * list in from a file.
610  */
611 int
612 d_load()
613 {
614 	int	i, items, status = 0, count, cksum;
615 	uint_t	magicno;
616 	char	*str;
617 	TOKEN	filename;
618 	FILE	*fptr;
619 	struct	defect_entry *dptr;
620 
621 	assert(!EMBEDDED_SCSI);
622 
623 	/*
624 	 * Ask the user for the name of the defect file.  Note that the
625 	 * input will be malloc'd space since we inputted type OSTR.
626 	 */
627 	str = (char *)(uintptr_t)input(FIO_OSTR, "Enter name of defect file",
628 	    ':', (u_ioparam_t *)NULL, (int *)NULL, DATA_INPUT);
629 	/*
630 	 * Copy the file name into local space then destroy the string
631 	 * it came in.  This is simply a precaution against later having
632 	 * to remember to destroy this space.
633 	 */
634 	enter_critical();
635 	(void) strcpy(filename, str);
636 	destroy_data(str);
637 	exit_critical();
638 	/*
639 	 * See if the defect file is accessable.  If not, we can't load
640 	 * from it.  We do this here just so we can get out before asking
641 	 * the user for confirmation.
642 	 */
643 	status = access(filename, 4);
644 	if (status) {
645 		err_print("defect file not accessable.\n");
646 		return (-1);
647 	}
648 	/*
649 	 * Make sure the user is serious.
650 	 */
651 	if (check("ready to update working list, continue"))
652 		return (-1);
653 	/*
654 	 * Lock out interrupts so the list doesn't get half loaded.
655 	 */
656 	enter_critical();
657 	/*
658 	 * Open the defect file.
659 	 */
660 	if ((fptr = fopen(filename, "r")) == NULL) {
661 		err_print("unable to open defect file.\n");
662 		exit_critical();
663 		return (-1);
664 	}
665 	/*
666 	 * Scan in the header.
667 	 */
668 	items = fscanf(fptr, "0x%x%d  0x%x\n", &magicno,
669 	    &count, (uint_t *)&cksum);
670 	/*
671 	 * If the header is wrong, this isn't a good defect file.
672 	 */
673 	if (items != 3 || count < 0 ||
674 	    (magicno != (uint_t)DEFECT_MAGIC &&
675 	    magicno != (uint_t)NO_CHECKSUM)) {
676 		err_print("Defect file is corrupted.\n");
677 		status = -1;
678 		goto out;
679 	}
680 	/*
681 	 * Kill off any old defects in the working list.
682 	 */
683 	kill_deflist(&work_list);
684 	/*
685 	 * Load the working list header with the header info.
686 	 */
687 	if (magicno == NO_CHECKSUM)
688 		work_list.header.magicno = (uint_t)DEFECT_MAGIC;
689 	else
690 		work_list.header.magicno = magicno;
691 	work_list.header.count = count;
692 	work_list.header.cksum = cksum;
693 	/*
694 	 * Allocate space for the new list.
695 	 */
696 	work_list.list = (struct defect_entry *)zalloc(
697 	    deflist_size(cur_blksz, count) * cur_blksz);
698 	/*
699 	 * Mark the working list dirty since we are modifying it.
700 	 */
701 	work_list.flags |= LIST_DIRTY;
702 	/*
703 	 * Loop through each defect in the defect file.
704 	 */
705 	for (i = 0; i < count; i++) {
706 		dptr = work_list.list + i;
707 		/*
708 		 * Scan the info into the defect entry.
709 		 */
710 		items = fscanf(fptr, "%*d%hd%hd%d%hd%hd\n", &dptr->cyl,
711 		    &dptr->head, &dptr->bfi, &dptr->nbits, &dptr->sect);
712 		/*
713 		 * If it didn't scan right, give up.
714 		 */
715 		if (items != 5)
716 			goto bad;
717 	}
718 	/*
719 	 * Check to be sure the checksum from the defect file was correct
720 	 * unless there wasn't supposed to be a checksum.
721 	 * If there was supposed to be a valid checksum and there isn't
722 	 * then give up.
723 	 */
724 	if (magicno != NO_CHECKSUM && checkdefsum(&work_list, CK_CHECKSUM))
725 		goto bad;
726 	fmt_print("working list updated, total of %d defects.\n", i);
727 	goto out;
728 
729 bad:
730 	/*
731 	 * Some kind of error occurred.  Kill off the working list and
732 	 * mark the status bad.
733 	 */
734 	err_print("Defect file is corrupted, working list set to NULL.\n");
735 	kill_deflist(&work_list);
736 	status = -1;
737 out:
738 	/*
739 	 * Close the defect file.
740 	 */
741 	(void) fclose(fptr);
742 	exit_critical();
743 	fmt_print("\n");
744 	return (status);
745 }
746 
747 /*
748  * This routine implements the 'commit' command.  It causes the current
749  * defect list to be set equal to the working defect list.  It is the only
750  * way that changes made to the working list can actually take effect in
751  * the next format.
752  */
753 int
754 d_commit()
755 {
756 	/*
757 	 * If the working list wasn't modified, no commit is necessary.
758 	 */
759 	if (work_list.list != NULL && !(work_list.flags & LIST_DIRTY)) {
760 		err_print("working list was not modified.\n");
761 		return (0);
762 	}
763 
764 	/*
765 	 * Make sure the user is serious.
766 	 */
767 	if (check("Ready to update Current Defect List, continue"))
768 		return (-1);
769 	return (do_commit());
770 }
771 
772 int
773 do_commit()
774 {
775 	int	status;
776 
777 	if ((status = commit_list()) == 0) {
778 		/*
779 		 * Remind the user to format the drive, since changing
780 		 * the list does nothing unless a format is performed.
781 		 */
782 		fmt_print(\
783 "Disk must be reformatted for changes to take effect.\n\n");
784 	}
785 	return (status);
786 }
787 
788 
789 static int
790 commit_list()
791 {
792 	int	i;
793 
794 	/*
795 	 * Lock out interrupts so the list doesn't get half copied.
796 	 */
797 	enter_critical();
798 	/*
799 	 * Kill off any current defect list.
800 	 */
801 	kill_deflist(&cur_list);
802 	/*
803 	 * If the working list is null, initialize it to zero length.
804 	 * This is so the user can do a commit on a null list and get
805 	 * a zero length list.  Otherwise there would be no way to get
806 	 * a zero length list conveniently.
807 	 */
808 	if (work_list.list == NULL) {
809 		work_list.header.magicno = (uint_t)DEFECT_MAGIC;
810 		work_list.header.count = 0;
811 		work_list.list = (struct defect_entry *)zalloc(
812 		    deflist_size(cur_blksz, 0) * cur_blksz);
813 	}
814 	/*
815 	 * Copy the working list into the current list.
816 	 */
817 	cur_list.header = work_list.header;
818 	cur_list.list = (struct defect_entry *)zalloc(
819 	    deflist_size(cur_blksz, cur_list.header.count) * cur_blksz);
820 	for (i = 0; i < cur_list.header.count; i++)
821 		*(cur_list.list + i) = *(work_list.list + i);
822 	/*
823 	 * Mark the working list clean, since it is now the same as the
824 	 * current list.  Note we do not mark the current list dirty,
825 	 * even though it has been changed.  This is because it does
826 	 * not reflect the state of disk, so we don't want it written
827 	 * out until a format has been done.  The format will mark it
828 	 * dirty and write it out.
829 	 */
830 	work_list.flags &= ~(LIST_DIRTY|LIST_RELOAD);
831 	cur_list.flags = work_list.flags;
832 	if (EMBEDDED_SCSI)
833 		fmt_print("Defect List has a total of %d defects.\n",
834 		    cur_list.header.count);
835 	else
836 		fmt_print("Current Defect List updated, total of %d defects.\n",
837 		    cur_list.header.count);
838 	exit_critical();
839 	return (0);
840 }
841 
842 
843 /*
844  * This routine implements the 'create' command.  It creates the
845  * manufacturer's defect on the current disk from the defect list
846  */
847 int
848 d_create()
849 {
850 	int	status;
851 
852 	assert(!EMBEDDED_SCSI);
853 
854 	/*
855 	 * If the controller does not support the extraction, we're out
856 	 * of luck.
857 	 */
858 	if (cur_ops->op_create == NULL) {
859 		err_print("Controller does not support creating ");
860 		err_print("manufacturer's defect list.\n");
861 		return (-1);
862 	}
863 	/*
864 	 * Make sure the user is serious.  Note, for SCSI disks
865 	 * since this is instantaneous, we will just do it and
866 	 * not ask for confirmation.
867 	 */
868 	if (! (cur_ctype->ctype_flags & CF_SCSI) &&
869 	    check(
870 "Ready to create the manufacturers defect information on the disk.\n\
871 This cannot be interrupted and may take a long while.\n\
872 IT WILL DESTROY ALL OF THE DATA ON THE DISK! Continue"))
873 		return (-1);
874 	/*
875 	 * Lock out interrupts so we don't get half the list.
876 	 */
877 	enter_critical();
878 	fmt_print("Creating manufacturer's defect list...");
879 	/*
880 	 * Do the Creation
881 	 */
882 	status = (*cur_ops->op_create)(&work_list);
883 	if (status) {
884 		fmt_print("Creation failed.\n\n");
885 	} else {
886 		fmt_print("Creation complete.\n");
887 	}
888 	exit_critical();
889 	/*
890 	 * Return status.
891 	 */
892 	return (status);
893 }
894 
895 
896 /*
897  * Extract primary defect list - SCSI only
898  */
899 int
900 d_primary()
901 {
902 	int	status;
903 
904 	assert(EMBEDDED_SCSI);
905 
906 	/*
907 	 * Lock out interrupts so we don't get half the list and
908 	 * Kill off the working list.
909 	 */
910 	enter_critical();
911 	kill_deflist(&work_list);
912 	fmt_print("Extracting primary defect list...");
913 
914 	/*
915 	 * Do the extraction.
916 	 */
917 	status = scsi_ex_man(&work_list);
918 	if (status) {
919 		fmt_print("Extraction failed.\n\n");
920 	} else {
921 		fmt_print("Extraction complete.\n");
922 		/*
923 		 * Mark the working list dirty since we modified it.
924 		 * Automatically commit it, for SCSI only.
925 		 */
926 		work_list.flags |= LIST_DIRTY;
927 		status = commit_list();
928 		fmt_print("\n");
929 	}
930 	exit_critical();
931 
932 	/*
933 	 * Return status.
934 	 */
935 	return (status);
936 }
937 
938 
939 /*
940  * Extract grown defects list - SCSI only
941  */
942 int
943 d_grown()
944 {
945 	int	status;
946 
947 	assert(EMBEDDED_SCSI);
948 
949 	/*
950 	 * Lock out interrupts so we don't get half the list and
951 	 * Kill off the working list.
952 	 */
953 	enter_critical();
954 	kill_deflist(&work_list);
955 	fmt_print("Extracting grown defects list...");
956 
957 	/*
958 	 * Do the extraction.
959 	 */
960 	status = scsi_ex_grown(&work_list);
961 	if (status) {
962 		fmt_print("Extraction failed.\n\n");
963 	} else {
964 		fmt_print("Extraction complete.\n");
965 		/*
966 		 * Mark the working list dirty since we modified it.
967 		 * Automatically commit it, for SCSI only.
968 		 */
969 		work_list.flags |= LIST_DIRTY;
970 		status = commit_list();
971 		fmt_print("\n");
972 	}
973 	exit_critical();
974 
975 	/*
976 	 * Return status.
977 	 */
978 	return (status);
979 }
980 
981 
982 /*
983  * Extract both primary and grown defects list - SCSI only
984  */
985 int
986 d_both()
987 {
988 	int	status;
989 
990 	assert(EMBEDDED_SCSI);
991 
992 	/*
993 	 * Lock out interrupts so we don't get half the list and
994 	 * Kill off the working list.
995 	 */
996 	enter_critical();
997 	kill_deflist(&work_list);
998 	fmt_print("Extracting both primary and grown defects lists...");
999 
1000 	/*
1001 	 * Do the extraction.
1002 	 */
1003 	status = scsi_ex_cur(&work_list);
1004 	if (status) {
1005 		fmt_print("Extraction failed.\n\n");
1006 	} else {
1007 		fmt_print("Extraction complete.\n");
1008 		/*
1009 		 * Mark the working list dirty since we modified it.
1010 		 * Automatically commit it, for SCSI only.
1011 		 */
1012 		work_list.flags |= LIST_DIRTY;
1013 		status = commit_list();
1014 		fmt_print("\n");
1015 	}
1016 	exit_critical();
1017 
1018 	/*
1019 	 * Return status.
1020 	 */
1021 	return (status);
1022 }
1023