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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*
30  * This file contains the code to add new disk_type and partition
31  * definitions to a format data file.
32  */
33 #include "global.h"
34 
35 #include <ctype.h>
36 #include <stdlib.h>
37 #include <unistd.h>
38 #include <string.h>
39 #include <fcntl.h>
40 #include <errno.h>
41 #include <memory.h>
42 #include <sys/fcntl.h>
43 #include <sys/param.h>
44 #include <time.h>
45 #include <sys/time.h>
46 #include <stdarg.h>
47 
48 #include "add_definition.h"
49 #include "misc.h"
50 #include "partition.h"
51 #include "menu_command.h"
52 #include "startup.h"
53 
54 extern	struct	ctlr_type ctlr_types[];
55 extern	int	nctypes;
56 
57 extern	int	errno;
58 
59 /* Function prototypes */
60 #ifdef	__STDC__
61 
62 static void	add_disktype(FILE *fd, struct disk_info *disk_info);
63 static void	add_partition(FILE *fd, struct disk_info *,
64 		struct partition_info *);
65 static int	add_entry(int col, FILE *fd, char *format, ...);
66 
67 #else	/* __STDC__ */
68 
69 static void	add_disktype();
70 static void	add_partition();
71 static int	add_entry();
72 
73 #endif	/* __STDC__ */
74 
75 /*
76  * Add new definitions for the current disk/partition to a format data file.
77  */
78 int
add_definition()79 add_definition()
80 {
81 	FILE	*fd;
82 	char	*filename;
83 	time_t	clock;
84 	char	*prompt;
85 	union {
86 		int	xfoo;
87 		char	deflt_str[MAXPATHLEN];
88 	} x;
89 
90 	/*
91 	 * There must be a current disk and partition table
92 	 */
93 	if (cur_disk == NULL) {
94 		err_print("No Current Disk.\n");
95 		return (0);
96 	}
97 	if (cur_dtype == NULL) {
98 		err_print("Current disk type is not set.\n");
99 		return (-1);
100 	}
101 	if (cur_parts == NULL) {
102 		err_print("Current partition is not set.\n");
103 		return (-1);
104 	}
105 	/*
106 	 * If neither the disk definition nor the partition
107 	 * information has been changed, there's nothing to save.
108 	 */
109 	if (cur_dtype->dtype_filename != NULL &&
110 			cur_parts->pinfo_filename != NULL) {
111 		err_print("\
112 Neither the disk type nor the partitioning has been changed.\n");
113 		return (-1);
114 	}
115 	/*
116 	 * If saving the partition, and it's unnamed, the user should name
117 	 * it first.
118 	 */
119 	if (cur_parts->pinfo_name == NULL) {
120 		assert(cur_parts->pinfo_filename == NULL);
121 		err_print("Please name this partition type before saving it\n");
122 		return (-1);
123 	}
124 	/*
125 	 * Let the user know what we're doing
126 	 */
127 	if (cur_dtype->dtype_filename == NULL &&
128 			cur_parts->pinfo_filename == NULL) {
129 		fmt_print("Saving new disk and partition definitions\n");
130 	} else if (cur_dtype->dtype_filename == NULL) {
131 		fmt_print("Saving new disk definition\n");
132 	} else {
133 		assert(cur_parts->pinfo_filename == NULL);
134 		fmt_print("Saving new partition definition\n");
135 	}
136 	/*
137 	 * Ask for the file to which to append the new definitions
138 	 */
139 	prompt = "Enter file name";
140 	(void) strcpy(x.deflt_str, "./format.dat");
141 	filename = (char *)(uintptr_t)input(FIO_OSTR, prompt,
142 		':', (u_ioparam_t *)NULL, &x.xfoo, DATA_INPUT);
143 	assert(filename != NULL);
144 	/*
145 	 * Open the file in append mode, or create it, if necessary
146 	 */
147 	if ((fd = fopen(filename, "a")) == NULL) {
148 		err_print("Cannot open `%s' - %s\n", filename,
149 			strerror(errno));
150 		destroy_data(filename);
151 		return (-1);
152 	}
153 	/*
154 	 * Write a header for the new definitions
155 	 */
156 	if ((cur_dtype->dtype_filename == NULL) &&
157 			(cur_parts->pinfo_filename == NULL)) {
158 		(void) fprintf(fd, "#\n# New disk/partition type ");
159 	} else if (cur_dtype->dtype_filename == NULL) {
160 		(void) fprintf(fd, "#\n# New disk type ");
161 	} else {
162 		(void) fprintf(fd, "#\n# New partition type ");
163 	}
164 	(void) time(&clock);
165 	(void) fprintf(fd, " saved on %s#\n", ctime(&clock));
166 	/*
167 	 * Save the new definitions
168 	 */
169 	if (cur_dtype->dtype_filename == NULL) {
170 		add_disktype(fd, cur_disk);
171 	}
172 	if (cur_parts->pinfo_filename == NULL) {
173 		add_partition(fd, cur_disk, cur_parts);
174 	}
175 	/*
176 	 * We're finished.  Clean up
177 	 */
178 	(void) fclose(fd);
179 	destroy_data(filename);
180 	return (0);
181 }
182 
183 /*
184  * Add a disk_type definition to the file fd
185  */
186 static void
add_disktype(fd,disk_info)187 add_disktype(fd, disk_info)
188 	FILE			*fd;
189 	struct disk_info	*disk_info;
190 {
191 	int			col;
192 	struct disk_type	*disk_type;
193 
194 	disk_type = disk_info->disk_type;
195 
196 	(void) fprintf(fd, "disk_type = \"%s\" \\\n",
197 		disk_type->dtype_asciilabel);
198 	col = add_entry(0, fd, " : ctlr = %s",
199 		((disk_info->disk_ctlr)->ctlr_ctype)->ctype_name);
200 
201 	col = add_entry(col, fd, " : ncyl = %d", disk_type->dtype_ncyl);
202 
203 	col = add_entry(col, fd, " : acyl = %d", disk_type->dtype_acyl);
204 
205 	col = add_entry(col, fd, " : pcyl = %d", disk_type->dtype_pcyl);
206 
207 	col = add_entry(col, fd, " : nhead = %d", disk_type->dtype_nhead);
208 
209 	if (disk_type->dtype_options & SUP_PHEAD) {
210 		col = add_entry(col, fd, " : phead = %d",
211 			disk_type->dtype_phead);
212 	}
213 
214 	col = add_entry(col, fd, " : nsect = %d", disk_type->dtype_nsect);
215 
216 	if (disk_type->dtype_options & SUP_PSECT) {
217 		col = add_entry(col, fd, " : psect = %d",
218 			disk_type->dtype_psect);
219 	}
220 
221 	if (disk_type->dtype_options & SUP_BPT) {
222 		col = add_entry(col, fd, " : bpt = %d", disk_type->dtype_bpt);
223 	}
224 
225 	col = add_entry(col, fd, " : rpm = %d", disk_type->dtype_rpm);
226 
227 	if (disk_type->dtype_options & SUP_FMTTIME) {
228 		col = add_entry(col, fd, " : fmt_time = %d",
229 			disk_type->dtype_fmt_time);
230 	}
231 
232 	if (disk_type->dtype_options & SUP_CYLSKEW) {
233 		col = add_entry(col, fd, " : cyl_skew = %d",
234 			disk_type->dtype_cyl_skew);
235 	}
236 
237 	if (disk_type->dtype_options & SUP_TRKSKEW) {
238 		col = add_entry(col, fd, " : trk_skew = %d",
239 			disk_type->dtype_trk_skew);
240 	}
241 
242 	if (disk_type->dtype_options & SUP_TRKS_ZONE) {
243 		col = add_entry(col, fd, " : trks_zone = %d",
244 			disk_type->dtype_trks_zone);
245 	}
246 
247 	if (disk_type->dtype_options & SUP_ATRKS) {
248 		col = add_entry(col, fd, " : atrks = %d",
249 			disk_type->dtype_atrks);
250 	}
251 
252 	if (disk_type->dtype_options & SUP_ASECT) {
253 		col = add_entry(col, fd, " : asect = %d",
254 			disk_type->dtype_asect);
255 	}
256 
257 	if (disk_type->dtype_options & SUP_CACHE) {
258 		col = add_entry(col, fd, " : cache = %d",
259 			disk_type->dtype_cache);
260 	}
261 
262 	if (disk_type->dtype_options & SUP_PREFETCH) {
263 		col = add_entry(col, fd, " : prefetch = %d",
264 			disk_type->dtype_threshold);
265 	}
266 
267 	if (disk_type->dtype_options & SUP_CACHE_MIN) {
268 		col = add_entry(col, fd, " : min_prefetch = %d",
269 			disk_type->dtype_prefetch_min);
270 	}
271 
272 	if (disk_type->dtype_options & SUP_CACHE_MAX) {
273 		col = add_entry(col, fd, " : max_prefetch = %d",
274 			disk_type->dtype_prefetch_max);
275 	}
276 
277 	if (disk_type->dtype_options & SUP_BPS) {
278 		col = add_entry(col, fd, " : bps = %d",
279 			disk_type->dtype_bps);
280 	}
281 
282 	if (disk_type->dtype_options & SUP_DRTYPE) {
283 		col = add_entry(col, fd, " : drive_type = %d",
284 			disk_type->dtype_dr_type);
285 	}
286 
287 	/*
288 	 * Terminate the last line, and print one blank line
289 	 */
290 	(void) fprintf(fd, col == 0 ? "\n" : "\n\n");
291 }
292 
293 
294 
295 /*
296  * Once we exceed this length, wrap to a new line
297  */
298 #define	MAX_COLUMNS	50
299 
300 /*
301  * Add a partition definition to the file fd
302  */
303 static void
add_partition(fd,disk_info,part)304 add_partition(fd, disk_info, part)
305 	FILE			*fd;
306 	struct disk_info	*disk_info;
307 	struct partition_info	*part;
308 {
309 	int			col;
310 	int			i;
311 	struct disk_type	*disk_type;
312 	struct dk_map32		*pp;
313 	char			*s;
314 
315 #if defined(_SUNOS_VTOC_8)
316 	struct dk_map2		*pv;
317 
318 #elif defined(_SUNOS_VTOC_16)
319 	struct dkl_partition	*pv;
320 
321 #else
322 #error No VTOC format defined.
323 #endif			/* defined (_SUNOS_VTOC_8) */
324 	struct dk_map2		*dv;
325 
326 	disk_type = disk_info->disk_type;
327 
328 	(void) fprintf(fd, "partition = \"%s\" \\\n", part->pinfo_name);
329 	(void) fprintf(fd, "\t : disk = \"%s\" : ctlr = %s \\\n",
330 		disk_type->dtype_asciilabel,
331 		((disk_info->disk_ctlr)->ctlr_ctype)->ctype_name);
332 
333 	/*
334 	 * Print the specifications for each useful partition
335 	 */
336 	col = 0;
337 	pp = part->pinfo_map;
338 	pv = part->vtoc.v_part;
339 	dv = default_vtoc_map;
340 	for (i = 0; i < NDKMAP; i++, pp++, pv++, dv++) {
341 		if (pp->dkl_nblk != 0) {
342 			col = add_entry(col, fd, " : %c = ",
343 				i + PARTITION_BASE);
344 			if (pv->p_tag != dv->p_tag ||
345 					pv->p_flag != dv->p_flag) {
346 				s = find_string(ptag_choices,
347 						(int)pv->p_tag);
348 				if (s != NULL) {
349 					col = add_entry(col, fd, " %s,", s);
350 				}
351 				s = find_string(pflag_choices,
352 						(int)pv->p_flag);
353 				if (s != NULL) {
354 					col = add_entry(col, fd, " %s,", s);
355 				}
356 			}
357 			col = add_entry(col, fd, " %d, %d", pp->dkl_cylno,
358 				pp->dkl_nblk);
359 		}
360 	}
361 
362 	/*
363 	 * Terminate the last line, and print one blank line
364 	 */
365 	(void) fprintf(fd, col == 0 ? "\n" : "\n\n");
366 }
367 
368 /*
369  * Add an entry to the file fd.  col is the current starting column.
370  * Return the resulting new column position.
371  */
372 /*PRINTFLIKE3*/
373 static int
add_entry(int col,FILE * fd,char * format,...)374 add_entry(int col, FILE *fd, char *format, ...)
375 {
376 	va_list	ap;
377 	va_start(ap, format);
378 
379 	if (col > MAX_COLUMNS) {
380 		(void) fprintf(fd, " \\\n");
381 		col = 0;
382 	}
383 	if (col == 0) {
384 		col += fprintf(fd, "\t");
385 	}
386 	col += vfprintf(fd, format, ap);
387 	va_end(ap);
388 
389 	return (col);
390 }
391