Mercurial > illumos > onarm
annotate usr/src/cmd/addbadsec/addbadsec.c @ 4:1a15d5aaf794
synchronized with onnv_86 (6202) in onnv-gate
| author | Koji Uno <koji.uno@sun.com> |
|---|---|
| date | Mon, 31 Aug 2009 14:38:03 +0900 |
| parents | c9caec207d52 |
| children |
| rev | line source |
|---|---|
| 0 | 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 /* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */ | |
| 28 /* Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T */ | |
| 29 /* All Rights Reserved */ | |
| 30 | |
| 31 /* | |
| 32 * Copyrighted as an unpublished work. | |
| 33 * (c) Copyright INTERACTIVE Systems Corporation 1986, 1988, 1990 | |
| 34 * All rights reserved. | |
| 35 */ | |
| 36 | |
|
4
1a15d5aaf794
synchronized with onnv_86 (6202) in onnv-gate
Koji Uno <koji.uno@sun.com>
parents:
0
diff
changeset
|
37 #pragma ident "%Z%%M% %I% %E% SMI" |
| 0 | 38 |
| 39 #include <stdio.h> | |
| 40 #include <fcntl.h> | |
| 41 #include <memory.h> | |
| 42 #include <sys/types.h> | |
| 43 #include <sys/param.h> | |
| 44 #include <sys/stat.h> | |
| 45 #include <sys/mkdev.h> | |
| 46 #include <sys/vtoc.h> | |
| 47 #include <sys/dkio.h> | |
| 48 #include <errno.h> | |
| 49 #include <sys/scsi/generic/commands.h> | |
| 50 #include <sys/scsi/impl/commands.h> | |
| 51 #include <sys/scsi/impl/uscsi.h> | |
| 52 #include "badsec.h" | |
| 53 | |
| 54 char *devname; /* name of device */ | |
| 55 int devfd; /* device file descriptor */ | |
| 56 struct dk_geom dkg; /* geometry */ | |
| 57 struct vtoc vtoc; /* table of contents */ | |
| 58 char *progname; | |
| 59 | |
| 60 extern struct badsec_lst *badsl_chain; | |
| 61 extern int badsl_chain_cnt; | |
| 62 extern struct badsec_lst *gbadsl_chain; | |
| 63 extern int gbadsl_chain_cnt; | |
| 64 | |
| 65 int alts_fd; | |
| 66 | |
| 67 static void giveusage(void); | |
| 68 static void rd_gbad(FILE *badsecfd); | |
| 69 static void add_gbad(int badsec_entry); | |
| 70 | |
| 71 int | |
| 72 main(int argc, char *argv[]) | |
| 73 { | |
| 74 extern int optind; | |
| 75 extern char *optarg; | |
| 76 | |
| 77 static char options[] = "Ipa:f:"; | |
| 78 char numbuf[100]; | |
| 79 char *nxtarg; | |
| 80 char *alts_name; | |
| 81 minor_t minor_val; | |
| 82 struct stat statbuf; | |
| 83 struct partition *part = NULL; | |
| 84 int alts_slice = -1; | |
| 85 int l; | |
| 86 int p; | |
| 87 int init_flag = 0; | |
| 88 int print_flag = 0; | |
| 89 int c; | |
| 90 int i; | |
| 91 FILE *badsecfd = NULL; | |
| 92 struct badsec_lst *blc_p; | |
| 93 | |
| 94 progname = argv[0]; | |
| 95 while ( (c=getopt(argc, argv, options)) != EOF ) { | |
| 96 switch (c) { | |
| 97 case 'I': | |
| 98 init_flag = 1; | |
| 99 break; | |
| 100 case 'p': | |
| 101 print_flag = 1; | |
| 102 break; | |
| 103 case 'a': | |
| 104 nxtarg = optarg; | |
| 105 for (;*nxtarg != '\0';) | |
| 106 add_gbad(strtol(nxtarg, &nxtarg, 0)); | |
| 107 break; | |
| 108 case 'f': | |
| 109 if ((badsecfd = fopen(optarg, "r")) == NULL) { | |
| 110 fprintf(stderr, "%s: unable to open %s file\n", progname, optarg); | |
| 111 exit(1); | |
| 112 } | |
| 113 break; | |
| 114 default: | |
| 115 giveusage(); | |
| 116 exit(2); | |
| 117 } | |
| 118 } | |
| 119 | |
| 120 /* get the last argument -- device stanza */ | |
| 121 if (argc != optind+1) { | |
| 122 fprintf(stderr, "Missing disk device name\n"); | |
| 123 giveusage(); | |
| 124 exit(3); | |
| 125 } | |
| 126 devname = argv[optind]; | |
| 127 | |
| 128 if (stat(devname, &statbuf)) { | |
| 129 fprintf(stderr, "%s: invalid device %s, stat failed\n", progname, devname); | |
| 130 giveusage(); | |
| 131 exit(4); | |
| 132 } | |
| 133 if ((statbuf.st_mode & S_IFMT) != S_IFCHR) { | |
| 134 fprintf(stderr, "%s: device %s is not character special\n", progname, devname); | |
| 135 giveusage(); | |
| 136 exit(5); | |
| 137 } | |
| 138 minor_val = minor(statbuf.st_rdev); | |
| 139 /* | |
| 140 * NEED A DEFINE FOR THE PHYSICAL BIT (0x10) | |
| 141 */ | |
| 142 if ((minor_val & 0x10) == 0) { | |
| 143 fprintf(stderr, "%s: device %s is not a physical slice\n", progname, devname); | |
| 144 giveusage(); | |
| 145 exit(6); | |
| 146 } | |
| 147 if ((minor_val % V_NUMPAR) != 0) { | |
| 148 fprintf(stderr, "%s: device %s is not a slice 0 device\n", progname, devname); | |
| 149 giveusage(); | |
| 150 exit(7); | |
| 151 } | |
| 152 if ((devfd=open(devname, O_RDWR)) == -1) { | |
| 153 fprintf(stderr, "%s: open of %s failed\n", progname ,devname); | |
| 154 perror(""); | |
| 155 exit(8); | |
| 156 } | |
| 157 if ((ioctl (devfd, DKIOCGGEOM, &dkg)) == -1) { | |
| 158 fprintf(stderr, "%s: unable to get disk geometry.\n", progname); | |
| 159 perror(""); | |
| 160 exit(9); | |
| 161 } | |
| 162 | |
| 163 if (ioctl(devfd, DKIOCGVTOC, &vtoc) == -1) | |
| 164 { | |
| 165 fprintf(stderr, "%s: could not get VTOC.\n", progname); | |
| 166 giveusage(); | |
| 167 exit(14); | |
| 168 } | |
| 169 | |
| 170 if ((vtoc.v_sanity != VTOC_SANE) || (vtoc.v_version != V_VERSION)) { | |
| 171 fprintf(stderr, "%s: invalid VTOC found.\n", progname); | |
| 172 giveusage(); | |
| 173 exit(15); | |
| 174 } | |
| 175 if (badsecfd) | |
| 176 rd_gbad(badsecfd); | |
| 177 | |
| 178 #ifdef ADDBAD_DEBUG | |
| 179 printf("\n main: Total bad sectors found= %d\n", gbadsl_chain_cnt); | |
| 180 for (blc_p=gbadsl_chain; blc_p; blc_p=blc_p->bl_nxt) { | |
| 181 for (i=0; i<blc_p->bl_cnt; i++) | |
| 182 printf(" badsec=%d ", blc_p->bl_sec[i]); | |
| 183 } | |
| 184 printf("\n"); | |
| 185 #endif | |
| 186 #ifdef PPP | |
| 187 /* | |
| 188 * If init_flag is set, run to completion. | |
| 189 */ | |
| 190 if (gbadsl_chain_cnt == 0 && init_flag == 0) | |
| 191 /* | |
| 192 * No defects and not initializing | |
| 193 */ | |
| 194 exit (0); | |
| 195 #endif | |
| 196 if (gbadsl_chain_cnt != 0) | |
| 197 { | |
| 198 if (try_hw_remap () == SUCCESS) | |
| 199 exit (0); | |
| 200 } | |
| 201 /* | |
| 202 * get ALTS slice | |
| 203 */ | |
| 204 for (i = 0; i < V_NUMPAR && alts_slice == -1; i++) | |
| 205 { | |
| 206 if (vtoc.v_part[i].p_tag == V_ALTSCTR) | |
| 207 { | |
| 208 alts_slice = i; | |
| 209 part = &vtoc.v_part[i]; | |
| 210 } | |
| 211 } | |
| 212 if (alts_slice == -1) | |
| 213 { | |
| 214 fprintf(stderr, "%s: No alternates slice.\n", progname); | |
| 215 exit(16); | |
| 216 } | |
| 217 l = strlen (devname); | |
| 218 sprintf (numbuf, "%d", alts_slice); | |
| 219 p = strlen (numbuf); | |
| 220 alts_name = (char *)malloc (l + p); | |
| 221 strcpy (alts_name, devname); | |
| 222 alts_name[l - 2] = 's'; | |
| 223 strcpy (&alts_name[l - 1], numbuf); | |
| 224 alts_name[l + p - 1] = '\0'; | |
| 225 if ((alts_fd=open(alts_name, O_RDWR)) == -1) { | |
| 226 fprintf(stderr, "%s: open of %s failed\n", progname ,alts_name); | |
| 227 perror(""); | |
| 228 exit(9); | |
| 229 } | |
| 230 if (print_flag) | |
| 231 { | |
| 232 print_altsec (part); | |
| 233 exit (0); | |
| 234 } | |
| 235 updatebadsec(part, init_flag); | |
| 236 wr_altsctr(); | |
| 237 | |
| 238 if (ioctl(devfd, DKIOCADDBAD, NULL) == -1) { | |
| 239 fprintf(stderr, "Warning: DKIOCADDBAD io control failed. System must be re-booted\n"); | |
| 240 fprintf(stderr, "for alternate sectors to be usable.\n"); | |
| 241 exit(17); | |
| 242 } | |
| 243 sync(); | |
| 244 | |
| 245 fclose(badsecfd); | |
| 246 close (alts_fd); | |
| 247 close (devfd); | |
| 248 return(0); | |
| 249 } | |
| 250 | |
| 251 /* | |
| 252 * Giveusage () | |
| 253 * Give a (not so) concise message on how to use this program. | |
| 254 */ | |
| 255 static | |
| 256 void giveusage(void) | |
| 257 { | |
| 258 fprintf(stderr, "%s [-p] [-a sector] [-f filename] raw-device\n", progname); | |
| 259 fprintf(stderr, " p - Print existing bad block map\n"); | |
| 260 fprintf(stderr, " a - Add the given sectors to the bad block list\n"); | |
| 261 fprintf(stderr, " f - Add the sectors from <filename> to the bad block list\n"); | |
| 262 if (devfd) | |
| 263 close(devfd); | |
| 264 } | |
| 265 | |
| 266 | |
| 267 /* | |
| 268 * read in the additional growing bad sectors | |
| 269 */ | |
| 270 static void | |
| 271 rd_gbad(FILE *badsecfd) | |
| 272 { | |
| 273 int badsec_entry; | |
| 274 int status; | |
| 275 | |
| 276 status = fscanf(badsecfd, "%d", &badsec_entry); | |
| 277 while (status!=EOF) { | |
| 278 add_gbad(badsec_entry); | |
| 279 status = fscanf(badsecfd, "%d", &badsec_entry); | |
| 280 } | |
| 281 } | |
| 282 | |
| 283 static void | |
| 284 add_gbad(int badsec_entry) | |
| 285 { | |
| 286 struct badsec_lst *blc_p; | |
| 287 | |
| 288 if (!gbadsl_chain) { | |
| 289 blc_p = (struct badsec_lst *)malloc(BADSLSZ); | |
| 290 if (!blc_p) { | |
| 291 fprintf(stderr, "Unable to allocate memory for additional bad sectors\n"); | |
| 292 exit(18); | |
| 293 } | |
| 294 gbadsl_chain = blc_p; | |
| 295 blc_p->bl_cnt = 0; | |
| 296 blc_p->bl_nxt = 0; | |
| 297 } | |
| 298 for (blc_p = gbadsl_chain; blc_p->bl_nxt; ) | |
| 299 blc_p = blc_p->bl_nxt; | |
| 300 | |
| 301 if (blc_p->bl_cnt == MAXBLENT) { | |
| 302 blc_p->bl_nxt = (struct badsec_lst *)malloc(BADSLSZ); | |
| 303 if (!blc_p->bl_nxt) { | |
| 304 fprintf(stderr, "Unable to allocate memory for additional bad sectors\n"); | |
| 305 exit(19); | |
| 306 } | |
| 307 blc_p = blc_p->bl_nxt; | |
| 308 blc_p->bl_cnt = 0; | |
| 309 blc_p->bl_nxt = 0; | |
| 310 } | |
| 311 blc_p->bl_sec[blc_p->bl_cnt++] = badsec_entry; | |
| 312 gbadsl_chain_cnt++; | |
| 313 } | |
| 314 | |
| 315 /* | |
| 316 * Map a block using hardware (SCSI) techniques. | |
| 317 */ | |
| 318 /*ARGSUSED*/ | |
| 319 int | |
| 320 hardware_remap (bn) | |
| 321 int bn; | |
| 322 { | |
| 323 u_int byte_swap_32 (u_int); | |
| 324 u_short byte_swap_16 (u_short); | |
| 325 | |
| 326 struct uscsi_cmd ucmd; | |
| 327 union scsi_cdb cdb; | |
| 328 struct scsi_reassign_blk defect_list; | |
| 329 | |
| 330 /* | |
| 331 * Build and execute the uscsi ioctl | |
| 332 */ | |
| 333 (void) memset((char *)&ucmd, 0, sizeof (ucmd)); | |
| 334 (void) memset((char *)&cdb, 0, sizeof (union scsi_cdb)); | |
| 335 (void) memset((char *)&defect_list, 0, | |
| 336 sizeof (struct scsi_reassign_blk)); | |
| 337 cdb.scc_cmd = SCMD_REASSIGN_BLOCK; | |
| 338 ucmd.uscsi_cdb = (caddr_t) &cdb; | |
| 339 ucmd.uscsi_cdblen = CDB_GROUP0; | |
| 340 ucmd.uscsi_bufaddr = (caddr_t) &defect_list; | |
| 341 ucmd.uscsi_buflen = sizeof (struct scsi_reassign_blk); | |
| 342 defect_list.length = byte_swap_16 (sizeof (defect_list.defect)); | |
| 343 defect_list.defect = byte_swap_32 (bn); | |
| 344 /* | |
| 345 printf ("length - %x %x\n", sizeof (defect_list.defect), defect_list.length); | |
| 346 printf ("defect - %x %x\n", bn, defect_list.defect); | |
| 347 */ | |
| 348 /* | |
| 349 * Set function flags for driver. | |
| 350 */ | |
| 351 ucmd.uscsi_flags = USCSI_ISOLATE | USCSI_DIAGNOSE | USCSI_SILENT; | |
| 352 ucmd.uscsi_timeout = 30; /* 30 seconds */ | |
| 353 | |
| 354 /* | |
| 355 * Execute the ioctl | |
| 356 */ | |
| 357 if (ioctl(devfd, USCSICMD, &ucmd) == -1) | |
| 358 { | |
| 359 if (errno != ENOTTY) | |
| 360 { | |
| 361 perror ("SCSI hardware re-assign failed"); | |
| 362 /* | |
| 363 * It looks like a failure but by returning success | |
| 364 * the upper layer will not try to do | |
| 365 * software remapping. | |
| 366 */ | |
| 367 return (SUCCESS); | |
| 368 } | |
| 369 return (FAILURE); | |
| 370 } | |
| 371 return (SUCCESS); | |
| 372 } | |
| 373 | |
| 374 u_int | |
| 375 byte_swap_32 (u_int nav) | |
| 376 { | |
| 377 u_int rc; | |
| 378 rc = ((nav & 0xff000000) >> 24) | ((nav & 0x00ff0000) >> 8) | | |
| 379 ((nav & 0x0000ff00) << 8) | ((nav & 0x000000ff) << 24); | |
| 380 return (rc); | |
| 381 } | |
| 382 | |
| 383 u_short | |
| 384 byte_swap_16 (u_short niv) | |
| 385 { | |
| 386 u_short rc; | |
| 387 rc = (u_short)((int)(niv & 0xff00) >> 8) | ((niv & 0x00ff) << 8); | |
| 388 return (rc); | |
| 389 } | |
| 390 | |
| 391 int | |
| 392 try_hw_remap () | |
| 393 { | |
| 394 struct badsec_lst *blc_p; | |
| 395 int i; | |
| 396 | |
| 397 for (blc_p = gbadsl_chain; blc_p != 0; blc_p = blc_p->bl_nxt) | |
| 398 { | |
| 399 | |
| 400 for (i = 0; i < blc_p->bl_cnt; i++) | |
| 401 if (hardware_remap (blc_p->bl_sec[i]) == FAILURE) | |
| 402 return (FAILURE); | |
| 403 } | |
| 404 return (SUCCESS); | |
| 405 } |