disk/part.c

   1 /*
   2  * (C) Copyright 2001
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #include <common.h>
  25 #include <command.h>
  26 #include <ide.h>
  27 #include <part.h>
  28
  29 #undef  PART_DEBUG
  30
  31 #ifdef  PART_DEBUG
  32 #define PRINTF(fmt,args...)     printf (fmt ,##args)
  33 #else
  34 #define PRINTF(fmt,args...)
  35 #endif
  36
  37 #if (defined(CONFIG_CMD_IDE) || \
  38      defined(CONFIG_CMD_MG_DISK) || \
  39      defined(CONFIG_CMD_SATA) || \
  40      defined(CONFIG_CMD_SCSI) || \
  41      defined(CONFIG_CMD_USB) || \
  42      defined(CONFIG_MMC) || \
  43      defined(CONFIG_SYSTEMACE) )
  44
  45 struct block_drvr {
  46         char *name;
  47         block_dev_desc_t* (*get_dev)(int dev);
  48 };
  49
  50 static const struct block_drvr block_drvr[] = {
  51 #if defined(CONFIG_CMD_IDE)
  52         { .name = "ide", .get_dev = ide_get_dev, },
  53 #endif
  54 #if defined(CONFIG_CMD_SATA)
  55         {.name = "sata", .get_dev = sata_get_dev, },
  56 #endif
  57 #if defined(CONFIG_CMD_SCSI)
  58         { .name = "scsi", .get_dev = scsi_get_dev, },
  59 #endif
  60 #if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
  61         { .name = "usb", .get_dev = usb_stor_get_dev, },
  62 #endif
  63 #if defined(CONFIG_MMC)
  64         { .name = "mmc", .get_dev = mmc_get_dev, },
  65 #endif
  66 #if defined(CONFIG_SYSTEMACE)
  67         { .name = "ace", .get_dev = systemace_get_dev, },
  68 #endif
  69 #if defined(CONFIG_CMD_MG_DISK)
  70         { .name = "mgd", .get_dev = mg_disk_get_dev, },
  71 #endif
  72         { },
  73 };
  74
  75 DECLARE_GLOBAL_DATA_PTR;
  76
  77 block_dev_desc_t *get_dev(char* ifname, int dev)
  78 {
  79         const struct block_drvr *drvr = block_drvr;
  80         block_dev_desc_t* (*reloc_get_dev)(int dev);
  81         char *name;
  82
  83         name = drvr->name;
  84 #ifndef CONFIG_RELOC_FIXUP_WORKS
  85         name += gd->reloc_off;
  86 #endif
  87         while (name) {
  88                 name = drvr->name;
  89                 reloc_get_dev = drvr->get_dev;
  90 #ifndef CONFIG_RELOC_FIXUP_WORKS
  91                 name += gd->reloc_off;
  92                 reloc_get_dev += gd->reloc_off;
  93 #endif
  94                 if (strncmp(ifname, name, strlen(name)) == 0)
  95                         return reloc_get_dev(dev);
  96                 drvr++;
  97         }
  98         return NULL;
  99 }
 100 #else
 101 block_dev_desc_t *get_dev(char* ifname, int dev)
 102 {
 103         return NULL;
 104 }
 105 #endif
 106
 107 #if (defined(CONFIG_CMD_IDE) || \
 108      defined(CONFIG_CMD_MG_DISK) || \
 109      defined(CONFIG_CMD_SATA) || \
 110      defined(CONFIG_CMD_SCSI) || \
 111      defined(CONFIG_CMD_USB) || \
 112      defined(CONFIG_MMC) || \
 113      defined(CONFIG_SYSTEMACE) )
 114
 115 /* ------------------------------------------------------------------------- */
 116 /*
 117  * reports device info to the user
 118  */
 119
 120 #ifdef CONFIG_LBA48
 121 typedef uint64_t lba512_t;
 122 #else
 123 typedef lbaint_t lba512_t;
 124 #endif
 125
 126 /*
 127  * Overflowless variant of (block_count * mul_by / div_by)
 128  * when div_by > mul_by
 129  */
 130 static lba512_t lba512_muldiv (lba512_t block_count, lba512_t mul_by, lba512_t div_by)
 131 {
 132         lba512_t bc_quot, bc_rem;
 133
 134         /* x * m / d == x / d * m + (x % d) * m / d */
 135         bc_quot = block_count / div_by;
 136         bc_rem  = block_count - div_by * bc_quot;
 137         return bc_quot * mul_by + (bc_rem * mul_by) / div_by;
 138 }
 139
 140 void dev_print (block_dev_desc_t *dev_desc)
 141 {
 142         lba512_t lba512; /* number of blocks if 512bytes block size */
 143
 144         if (dev_desc->type == DEV_TYPE_UNKNOWN) {
 145                 puts ("not available\n");
 146                 return;
 147         }
 148
 149         switch (dev_desc->if_type) {
 150         case IF_TYPE_SCSI:
 151                 printf ("(%d:%d) Vendor: %s Prod.: %s Rev: %s\n",
 152                         dev_desc->target,dev_desc->lun,
 153                         dev_desc->vendor,
 154                         dev_desc->product,
 155                         dev_desc->revision);
 156                 break;
 157         case IF_TYPE_ATAPI:
 158         case IF_TYPE_IDE:
 159         case IF_TYPE_SATA:
 160                 printf ("Model: %s Firm: %s Ser#: %s\n",
 161                         dev_desc->vendor,
 162                         dev_desc->revision,
 163                         dev_desc->product);
 164                 break;
 165         case IF_TYPE_SD:
 166         case IF_TYPE_MMC:
 167         case IF_TYPE_USB:
 168                 printf ("Vendor: %s Rev: %s Prod: %s\n",
 169                         dev_desc->vendor,
 170                         dev_desc->revision,
 171                         dev_desc->product);
 172                 break;
 173         case IF_TYPE_DOC:
 174                 puts("device type DOC\n");
 175                 return;
 176         case IF_TYPE_UNKNOWN:
 177                 puts("device type unknown\n");
 178                 return;
 179         default:
 180                 printf("Unhandled device type: %i\n", dev_desc->if_type);
 181                 return;
 182         }
 183         puts ("            Type: ");
 184         if (dev_desc->removable)
 185                 puts ("Removable ");
 186         switch (dev_desc->type & 0x1F) {
 187         case DEV_TYPE_HARDDISK:
 188                 puts ("Hard Disk");
 189                 break;
 190         case DEV_TYPE_CDROM:
 191                 puts ("CD ROM");
 192                 break;
 193         case DEV_TYPE_OPDISK:
 194                 puts ("Optical Device");
 195                 break;
 196         case DEV_TYPE_TAPE:
 197                 puts ("Tape");
 198                 break;
 199         default:
 200                 printf ("# %02X #", dev_desc->type & 0x1F);
 201                 break;
 202         }
 203         puts ("\n");
 204         if ((dev_desc->lba * dev_desc->blksz)>0L) {
 205                 ulong mb, mb_quot, mb_rem, gb, gb_quot, gb_rem;
 206                 lbaint_t lba;
 207
 208                 lba = dev_desc->lba;
 209
 210                 lba512 = (lba * (dev_desc->blksz/512));
 211                 /* round to 1 digit */
 212                 mb = lba512_muldiv(lba512, 10, 2048);   /* 2048 = (1024 * 1024) / 512 MB */
 213
 214                 mb_quot = mb / 10;
 215                 mb_rem  = mb - (10 * mb_quot);
 216
 217                 gb = mb / 1024;
 218                 gb_quot = gb / 10;
 219                 gb_rem  = gb - (10 * gb_quot);
 220 #ifdef CONFIG_LBA48
 221                 if (dev_desc->lba48)
 222                         printf ("            Supports 48-bit addressing\n");
 223 #endif
 224 #if defined(CONFIG_SYS_64BIT_LBA)
 225                 printf ("            Capacity: %ld.%ld MB = %ld.%ld GB (%Ld x %ld)\n",
 226                         mb_quot, mb_rem,
 227                         gb_quot, gb_rem,
 228                         lba,
 229                         dev_desc->blksz);
 230 #else
 231                 printf ("            Capacity: %ld.%ld MB = %ld.%ld GB (%ld x %ld)\n",
 232                         mb_quot, mb_rem,
 233                         gb_quot, gb_rem,
 234                         (ulong)lba,
 235                         dev_desc->blksz);
 236 #endif
 237         } else {
 238                 puts ("            Capacity: not available\n");
 239         }
 240 }
 241 #endif
 242
 243 #if (defined(CONFIG_CMD_IDE) || \
 244      defined(CONFIG_CMD_MG_DISK) || \
 245      defined(CONFIG_CMD_SATA) || \
 246      defined(CONFIG_CMD_SCSI) || \
 247      defined(CONFIG_CMD_USB) || \
 248      defined(CONFIG_MMC)                || \
 249      defined(CONFIG_SYSTEMACE) )
 250
 251 #if defined(CONFIG_MAC_PARTITION) || \
 252     defined(CONFIG_DOS_PARTITION) || \
 253     defined(CONFIG_ISO_PARTITION) || \
 254     defined(CONFIG_AMIGA_PARTITION) || \
 255     defined(CONFIG_EFI_PARTITION)
 256
 257 void init_part (block_dev_desc_t * dev_desc)
 258 {
 259 #ifdef CONFIG_ISO_PARTITION
 260         if (test_part_iso(dev_desc) == 0) {
 261                 dev_desc->part_type = PART_TYPE_ISO;
 262                 return;
 263         }
 264 #endif
 265
 266 #ifdef CONFIG_MAC_PARTITION
 267         if (test_part_mac(dev_desc) == 0) {
 268                 dev_desc->part_type = PART_TYPE_MAC;
 269                 return;
 270         }
 271 #endif
 272
 273 /* must be placed before DOS partition detection */
 274 #ifdef CONFIG_EFI_PARTITION
 275         if (test_part_efi(dev_desc) == 0) {
 276                 dev_desc->part_type = PART_TYPE_EFI;
 277                 return;
 278         }
 279 #endif
 280
 281 #ifdef CONFIG_DOS_PARTITION
 282         if (test_part_dos(dev_desc) == 0) {
 283                 dev_desc->part_type = PART_TYPE_DOS;
 284                 return;
 285         }
 286 #endif
 287
 288 #ifdef CONFIG_AMIGA_PARTITION
 289         if (test_part_amiga(dev_desc) == 0) {
 290             dev_desc->part_type = PART_TYPE_AMIGA;
 291             return;
 292         }
 293 #endif
 294 }
 295
 296
 297 int get_partition_info (block_dev_desc_t *dev_desc, int part
 298                                         , disk_partition_t *info)
 299 {
 300         switch (dev_desc->part_type) {
 301 #ifdef CONFIG_MAC_PARTITION
 302         case PART_TYPE_MAC:
 303                 if (get_partition_info_mac(dev_desc,part,info) == 0) {
 304                         PRINTF ("## Valid MAC partition found ##\n");
 305                         return (0);
 306                 }
 307                 break;
 308 #endif
 309
 310 #ifdef CONFIG_DOS_PARTITION
 311         case PART_TYPE_DOS:
 312                 if (get_partition_info_dos(dev_desc,part,info) == 0) {
 313                         PRINTF ("## Valid DOS partition found ##\n");
 314                         return (0);
 315                 }
 316                 break;
 317 #endif
 318
 319 #ifdef CONFIG_ISO_PARTITION
 320         case PART_TYPE_ISO:
 321                 if (get_partition_info_iso(dev_desc,part,info) == 0) {
 322                         PRINTF ("## Valid ISO boot partition found ##\n");
 323                         return (0);
 324                 }
 325                 break;
 326 #endif
 327
 328 #ifdef CONFIG_AMIGA_PARTITION
 329         case PART_TYPE_AMIGA:
 330             if (get_partition_info_amiga(dev_desc, part, info) == 0)
 331             {
 332                 PRINTF ("## Valid Amiga partition found ##\n");
 333                 return (0);
 334             }
 335             break;
 336 #endif
 337
 338 #ifdef CONFIG_EFI_PARTITION
 339         case PART_TYPE_EFI:
 340                 if (get_partition_info_efi(dev_desc,part,info) == 0) {
 341                         PRINTF ("## Valid EFI partition found ##\n");
 342                         return (0);
 343                 }
 344                 break;
 345 #endif
 346         default:
 347                 break;
 348         }
 349         return (-1);
 350 }
 351
 352 static void print_part_header (const char *type, block_dev_desc_t * dev_desc)
 353 {
 354         puts ("\nPartition Map for ");
 355         switch (dev_desc->if_type) {
 356         case IF_TYPE_IDE:
 357                 puts ("IDE");
 358                 break;
 359         case IF_TYPE_SATA:
 360                 puts ("SATA");
 361                 break;
 362         case IF_TYPE_SCSI:
 363                 puts ("SCSI");
 364                 break;
 365         case IF_TYPE_ATAPI:
 366                 puts ("ATAPI");
 367                 break;
 368         case IF_TYPE_USB:
 369                 puts ("USB");
 370                 break;
 371         case IF_TYPE_DOC:
 372                 puts ("DOC");
 373                 break;
 374         case IF_TYPE_MMC:
 375                 puts ("MMC");
 376                 break;
 377         default:
 378                 puts ("UNKNOWN");
 379                 break;
 380         }
 381         printf (" device %d  --   Partition Type: %s\n\n",
 382                         dev_desc->dev, type);
 383 }
 384
 385 void print_part (block_dev_desc_t * dev_desc)
 386 {
 387
 388                 switch (dev_desc->part_type) {
 389 #ifdef CONFIG_MAC_PARTITION
 390         case PART_TYPE_MAC:
 391                 PRINTF ("## Testing for valid MAC partition ##\n");
 392                 print_part_header ("MAC", dev_desc);
 393                 print_part_mac (dev_desc);
 394                 return;
 395 #endif
 396 #ifdef CONFIG_DOS_PARTITION
 397         case PART_TYPE_DOS:
 398                 PRINTF ("## Testing for valid DOS partition ##\n");
 399                 print_part_header ("DOS", dev_desc);
 400                 print_part_dos (dev_desc);
 401                 return;
 402 #endif
 403
 404 #ifdef CONFIG_ISO_PARTITION
 405         case PART_TYPE_ISO:
 406                 PRINTF ("## Testing for valid ISO Boot partition ##\n");
 407                 print_part_header ("ISO", dev_desc);
 408                 print_part_iso (dev_desc);
 409                 return;
 410 #endif
 411
 412 #ifdef CONFIG_AMIGA_PARTITION
 413         case PART_TYPE_AMIGA:
 414             PRINTF ("## Testing for a valid Amiga partition ##\n");
 415             print_part_header ("AMIGA", dev_desc);
 416             print_part_amiga (dev_desc);
 417             return;
 418 #endif
 419
 420 #ifdef CONFIG_EFI_PARTITION
 421         case PART_TYPE_EFI:
 422                 PRINTF ("## Testing for valid EFI partition ##\n");
 423                 print_part_header ("EFI", dev_desc);
 424                 print_part_efi (dev_desc);
 425                 return;
 426 #endif
 427         }
 428         puts ("## Unknown partition table\n");
 429 }
 430
 431
 432 #else   /* neither MAC nor DOS nor ISO nor AMIGA nor EFI partition configured */
 433 # error neither CONFIG_MAC_PARTITION nor CONFIG_DOS_PARTITION
 434 # error nor CONFIG_ISO_PARTITION nor CONFIG_AMIGA_PARTITION
 435 # error nor CONFIG_EFI_PARTITION configured!
 436 #endif
 437
 438 #endif