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 1991-2003 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 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 *)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 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 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 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