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