3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
14 #include <ubifs_uboot.h>
19 #define PRINTF(fmt,args...) printf (fmt ,##args)
21 #define PRINTF(fmt,args...)
24 const struct block_drvr block_drvr[] = {
25 #if defined(CONFIG_CMD_IDE)
28 #if defined(CONFIG_CMD_SATA)
31 #if defined(CONFIG_SCSI)
34 #if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
37 #if defined(CONFIG_MMC)
40 .select_hwpart = mmc_select_hwpart,
43 #if defined(CONFIG_SYSTEMACE)
46 #if defined(CONFIG_SANDBOX)
52 DECLARE_GLOBAL_DATA_PTR;
54 #ifdef HAVE_BLOCK_DEVICE
55 static struct part_driver *part_driver_lookup_type(int part_type)
57 struct part_driver *drv =
58 ll_entry_start(struct part_driver, part_driver);
59 const int n_ents = ll_entry_count(struct part_driver, part_driver);
60 struct part_driver *entry;
62 for (entry = drv; entry != drv + n_ents; entry++) {
63 if (part_type == entry->part_type)
71 static struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart)
73 const struct block_drvr *drvr = block_drvr;
80 #ifdef CONFIG_NEEDS_MANUAL_RELOC
81 name += gd->reloc_off;
85 #ifdef CONFIG_NEEDS_MANUAL_RELOC
86 name += gd->reloc_off;
88 if (strncmp(ifname, name, strlen(name)) == 0) {
89 struct blk_desc *dev_desc;
91 dev_desc = blk_get_devnum_by_typename(name, dev);
94 if (blk_dselect_hwpart(dev_desc, hwpart))
103 struct blk_desc *blk_get_dev(const char *ifname, int dev)
105 return get_dev_hwpart(ifname, dev, 0);
108 struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart)
113 struct blk_desc *blk_get_dev(const char *ifname, int dev)
119 #ifdef HAVE_BLOCK_DEVICE
121 /* ------------------------------------------------------------------------- */
123 * reports device info to the user
127 typedef uint64_t lba512_t;
129 typedef lbaint_t lba512_t;
133 * Overflowless variant of (block_count * mul_by / div_by)
134 * when div_by > mul_by
136 static lba512_t lba512_muldiv(lba512_t block_count, lba512_t mul_by, lba512_t div_by)
138 lba512_t bc_quot, bc_rem;
140 /* x * m / d == x / d * m + (x % d) * m / d */
141 bc_quot = block_count / div_by;
142 bc_rem = block_count - div_by * bc_quot;
143 return bc_quot * mul_by + (bc_rem * mul_by) / div_by;
146 void dev_print (struct blk_desc *dev_desc)
148 lba512_t lba512; /* number of blocks if 512bytes block size */
150 if (dev_desc->type == DEV_TYPE_UNKNOWN) {
151 puts ("not available\n");
155 switch (dev_desc->if_type) {
157 printf ("(%d:%d) Vendor: %s Prod.: %s Rev: %s\n",
158 dev_desc->target,dev_desc->lun,
166 printf ("Model: %s Firm: %s Ser#: %s\n",
174 printf ("Vendor: %s Rev: %s Prod: %s\n",
180 puts("device type DOC\n");
182 case IF_TYPE_UNKNOWN:
183 puts("device type unknown\n");
186 printf("Unhandled device type: %i\n", dev_desc->if_type);
190 if (dev_desc->removable)
192 switch (dev_desc->type & 0x1F) {
193 case DEV_TYPE_HARDDISK:
199 case DEV_TYPE_OPDISK:
200 puts ("Optical Device");
206 printf ("# %02X #", dev_desc->type & 0x1F);
210 if (dev_desc->lba > 0L && dev_desc->blksz > 0L) {
211 ulong mb, mb_quot, mb_rem, gb, gb_quot, gb_rem;
216 lba512 = (lba * (dev_desc->blksz/512));
217 /* round to 1 digit */
218 /* 2048 = (1024 * 1024) / 512 MB */
219 mb = lba512_muldiv(lba512, 10, 2048);
222 mb_rem = mb - (10 * mb_quot);
226 gb_rem = gb - (10 * gb_quot);
229 printf (" Supports 48-bit addressing\n");
231 #if defined(CONFIG_SYS_64BIT_LBA)
232 printf (" Capacity: %ld.%ld MB = %ld.%ld GB (%Ld x %ld)\n",
238 printf (" Capacity: %ld.%ld MB = %ld.%ld GB (%ld x %ld)\n",
245 puts (" Capacity: not available\n");
250 #ifdef HAVE_BLOCK_DEVICE
252 void part_init(struct blk_desc *dev_desc)
254 struct part_driver *drv =
255 ll_entry_start(struct part_driver, part_driver);
256 const int n_ents = ll_entry_count(struct part_driver, part_driver);
257 struct part_driver *entry;
259 blkcache_invalidate(dev_desc->if_type, dev_desc->devnum);
261 dev_desc->part_type = PART_TYPE_UNKNOWN;
262 for (entry = drv; entry != drv + n_ents; entry++) {
265 ret = entry->test(dev_desc);
266 debug("%s: try '%s': ret=%d\n", __func__, entry->name, ret);
268 dev_desc->part_type = entry->part_type;
274 static void print_part_header(const char *type, struct blk_desc *dev_desc)
276 #if defined(CONFIG_MAC_PARTITION) || \
277 defined(CONFIG_DOS_PARTITION) || \
278 defined(CONFIG_ISO_PARTITION) || \
279 defined(CONFIG_AMIGA_PARTITION) || \
280 defined(CONFIG_EFI_PARTITION)
281 puts ("\nPartition Map for ");
282 switch (dev_desc->if_type) {
311 printf (" device %d -- Partition Type: %s\n\n",
312 dev_desc->devnum, type);
313 #endif /* any CONFIG_..._PARTITION */
316 void part_print(struct blk_desc *dev_desc)
318 struct part_driver *drv;
320 drv = part_driver_lookup_type(dev_desc->part_type);
322 printf("## Unknown partition table type %x\n",
323 dev_desc->part_type);
327 PRINTF("## Testing for valid %s partition ##\n", drv->name);
328 print_part_header(drv->name, dev_desc);
330 drv->print(dev_desc);
333 #endif /* HAVE_BLOCK_DEVICE */
335 int part_get_info(struct blk_desc *dev_desc, int part,
336 disk_partition_t *info)
338 #ifdef HAVE_BLOCK_DEVICE
339 struct part_driver *drv;
341 #ifdef CONFIG_PARTITION_UUIDS
342 /* The common case is no UUID support */
345 #ifdef CONFIG_PARTITION_TYPE_GUID
346 info->type_guid[0] = 0;
349 drv = part_driver_lookup_type(dev_desc->part_type);
351 debug("## Unknown partition table type %x\n",
352 dev_desc->part_type);
353 return -EPROTONOSUPPORT;
355 if (!drv->get_info) {
356 PRINTF("## Driver %s does not have the get_info() method\n",
360 if (drv->get_info(dev_desc, part, info) == 0) {
361 PRINTF("## Valid %s partition found ##\n", drv->name);
364 #endif /* HAVE_BLOCK_DEVICE */
369 int blk_get_device_by_str(const char *ifname, const char *dev_hwpart_str,
370 struct blk_desc **dev_desc)
373 char *dup_str = NULL;
374 const char *dev_str, *hwpart_str;
377 hwpart_str = strchr(dev_hwpart_str, '.');
379 dup_str = strdup(dev_hwpart_str);
380 dup_str[hwpart_str - dev_hwpart_str] = 0;
384 dev_str = dev_hwpart_str;
388 dev = simple_strtoul(dev_str, &ep, 16);
390 printf("** Bad device specification %s %s **\n",
397 hwpart = simple_strtoul(hwpart_str, &ep, 16);
399 printf("** Bad HW partition specification %s %s **\n",
406 *dev_desc = get_dev_hwpart(ifname, dev, hwpart);
407 if (!(*dev_desc) || ((*dev_desc)->type == DEV_TYPE_UNKNOWN)) {
408 printf("** Bad device %s %s **\n", ifname, dev_hwpart_str);
413 #ifdef HAVE_BLOCK_DEVICE
415 * Updates the partition table for the specified hw partition.
416 * Does not need to be done for hwpart 0 since it is default and
420 part_init(*dev_desc);
428 #define PART_UNSPECIFIED -2
430 #define MAX_SEARCH_PARTITIONS 16
431 int blk_get_device_part_str(const char *ifname, const char *dev_part_str,
432 struct blk_desc **dev_desc,
433 disk_partition_t *info, int allow_whole_dev)
436 const char *part_str;
437 char *dup_str = NULL;
443 disk_partition_t tmpinfo;
445 #ifdef CONFIG_SANDBOX
447 * Special-case a pseudo block device "hostfs", to allow access to the
448 * host's own filesystem.
450 if (0 == strcmp(ifname, "hostfs")) {
456 strcpy((char *)info->type, BOOT_PART_TYPE);
457 strcpy((char *)info->name, "Sandbox host");
458 #ifdef CONFIG_PARTITION_UUIDS
461 #ifdef CONFIG_PARTITION_TYPE_GUID
462 info->type_guid[0] = 0;
469 #ifdef CONFIG_CMD_UBIFS
471 * Special-case ubi, ubi goes through a mtd, rathen then through
472 * a regular block device.
474 if (0 == strcmp(ifname, "ubi")) {
475 if (!ubifs_is_mounted()) {
476 printf("UBIFS not mounted, use ubifsmount to mount volume first!\n");
481 memset(info, 0, sizeof(*info));
482 strcpy((char *)info->type, BOOT_PART_TYPE);
483 strcpy((char *)info->name, "UBI");
484 #ifdef CONFIG_PARTITION_UUIDS
491 /* If no dev_part_str, use bootdevice environment variable */
492 if (!dev_part_str || !strlen(dev_part_str) ||
493 !strcmp(dev_part_str, "-"))
494 dev_part_str = getenv("bootdevice");
496 /* If still no dev_part_str, it's an error */
498 printf("** No device specified **\n");
502 /* Separate device and partition ID specification */
503 part_str = strchr(dev_part_str, ':');
505 dup_str = strdup(dev_part_str);
506 dup_str[part_str - dev_part_str] = 0;
510 dev_str = dev_part_str;
513 /* Look up the device */
514 dev = blk_get_device_by_str(ifname, dev_str, dev_desc);
518 /* Convert partition ID string to number */
519 if (!part_str || !*part_str) {
520 part = PART_UNSPECIFIED;
521 } else if (!strcmp(part_str, "auto")) {
524 /* Something specified -> use exactly that */
525 part = (int)simple_strtoul(part_str, &ep, 16);
527 * Less than whole string converted,
528 * or request for whole device, but caller requires partition.
530 if (*ep || (part == 0 && !allow_whole_dev)) {
531 printf("** Bad partition specification %s %s **\n",
532 ifname, dev_part_str);
538 * No partition table on device,
539 * or user requested partition 0 (entire device).
541 if (((*dev_desc)->part_type == PART_TYPE_UNKNOWN) ||
543 if (!(*dev_desc)->lba) {
544 printf("** Bad device size - %s %s **\n", ifname,
550 * If user specified a partition ID other than 0,
551 * or the calling command only accepts partitions,
554 if ((part > 0) || (!allow_whole_dev)) {
555 printf("** No partition table - %s %s **\n", ifname,
560 (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz);
563 info->size = (*dev_desc)->lba;
564 info->blksz = (*dev_desc)->blksz;
566 strcpy((char *)info->type, BOOT_PART_TYPE);
567 strcpy((char *)info->name, "Whole Disk");
568 #ifdef CONFIG_PARTITION_UUIDS
571 #ifdef CONFIG_PARTITION_TYPE_GUID
572 info->type_guid[0] = 0;
580 * Now there's known to be a partition table,
581 * not specifying a partition means to pick partition 1.
583 if (part == PART_UNSPECIFIED)
587 * If user didn't specify a partition number, or did specify something
588 * other than "auto", use that partition number directly.
590 if (part != PART_AUTO) {
591 ret = part_get_info(*dev_desc, part, info);
593 printf("** Invalid partition %d **\n", part);
598 * Find the first bootable partition.
599 * If none are bootable, fall back to the first valid partition.
602 for (p = 1; p <= MAX_SEARCH_PARTITIONS; p++) {
603 ret = part_get_info(*dev_desc, p, info);
608 * First valid partition, or new better partition?
609 * If so, save partition ID.
611 if (!part || info->bootable)
614 /* Best possible partition? Stop searching. */
619 * We now need to search further for best possible.
620 * If we what we just queried was the best so far,
621 * save the info since we over-write it next loop.
626 /* If we found any acceptable partition */
629 * If we searched all possible partition IDs,
630 * return the first valid partition we found.
632 if (p == MAX_SEARCH_PARTITIONS + 1)
635 printf("** No valid partitions found **\n");
640 if (strncmp((char *)info->type, BOOT_PART_TYPE, sizeof(info->type)) != 0) {
641 printf("** Invalid partition type \"%.32s\""
642 " (expect \"" BOOT_PART_TYPE "\")\n",
648 (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz);