* (C) Copyright 2001
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
+#include <errno.h>
#include <ide.h>
+#include <malloc.h>
#include <part.h>
+#include <ubifs_uboot.h>
#undef PART_DEBUG
#define PRINTF(fmt,args...)
#endif
-#if (defined(CONFIG_CMD_IDE) || \
- defined(CONFIG_CMD_SATA) || \
- defined(CONFIG_CMD_SCSI) || \
- defined(CONFIG_CMD_USB) || \
- defined(CONFIG_MMC) || \
- defined(CONFIG_SYSTEMACE) )
-
-struct block_drvr {
- char *name;
- block_dev_desc_t* (*get_dev)(int dev);
-};
-
-static const struct block_drvr block_drvr[] = {
-#if defined(CONFIG_CMD_IDE)
- { .name = "ide", .get_dev = ide_get_dev, },
-#endif
-#if defined(CONFIG_CMD_SATA)
- {.name = "sata", .get_dev = sata_get_dev, },
-#endif
-#if defined(CONFIG_CMD_SCSI)
- { .name = "scsi", .get_dev = scsi_get_dev, },
-#endif
-#if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
- { .name = "usb", .get_dev = usb_stor_get_dev, },
-#endif
-#if defined(CONFIG_MMC)
- { .name = "mmc", .get_dev = mmc_get_dev, },
-#endif
-#if defined(CONFIG_SYSTEMACE)
- { .name = "ace", .get_dev = systemace_get_dev, },
-#endif
- { },
-};
-
DECLARE_GLOBAL_DATA_PTR;
-block_dev_desc_t *get_dev(char* ifname, int dev)
+#ifdef HAVE_BLOCK_DEVICE
+static struct part_driver *part_driver_lookup_type(int part_type)
{
- const struct block_drvr *drvr = block_drvr;
- block_dev_desc_t* (*reloc_get_dev)(int dev);
-
- while (drvr->name) {
- reloc_get_dev = drvr->get_dev + gd->reloc_off;
- if (strncmp(ifname, drvr->name, strlen(drvr->name)) == 0)
- return reloc_get_dev(dev);
- drvr++;
+ struct part_driver *drv =
+ ll_entry_start(struct part_driver, part_driver);
+ const int n_ents = ll_entry_count(struct part_driver, part_driver);
+ struct part_driver *entry;
+
+ for (entry = drv; entry != drv + n_ents; entry++) {
+ if (part_type == entry->part_type)
+ return entry;
}
+
+ /* Not found */
return NULL;
}
+
+static struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart)
+{
+ struct blk_desc *dev_desc;
+ int ret;
+
+ dev_desc = blk_get_devnum_by_typename(ifname, dev);
+ if (!dev_desc) {
+ debug("%s: No device for iface '%s', dev %d\n", __func__,
+ ifname, dev);
+ return NULL;
+ }
+ ret = blk_dselect_hwpart(dev_desc, hwpart);
+ if (ret) {
+ debug("%s: Failed to select h/w partition: err-%d\n", __func__,
+ ret);
+ return NULL;
+ }
+
+ return dev_desc;
+}
+
+struct blk_desc *blk_get_dev(const char *ifname, int dev)
+{
+ return get_dev_hwpart(ifname, dev, 0);
+}
#else
-block_dev_desc_t *get_dev(char* ifname, int dev)
+struct blk_desc *get_dev_hwpart(const char *ifname, int dev, int hwpart)
+{
+ return NULL;
+}
+
+struct blk_desc *blk_get_dev(const char *ifname, int dev)
{
return NULL;
}
#endif
-#if (defined(CONFIG_CMD_IDE) || \
- defined(CONFIG_CMD_SATA) || \
- defined(CONFIG_CMD_SCSI) || \
- defined(CONFIG_CMD_USB) || \
- defined(CONFIG_MMC) || \
- defined(CONFIG_SYSTEMACE) )
+#ifdef HAVE_BLOCK_DEVICE
/* ------------------------------------------------------------------------- */
/*
* reports device info to the user
*/
-void dev_print (block_dev_desc_t *dev_desc)
-{
+
#ifdef CONFIG_LBA48
- uint64_t lba512; /* number of blocks if 512bytes block size */
+typedef uint64_t lba512_t;
#else
- lbaint_t lba512;
+typedef lbaint_t lba512_t;
#endif
+/*
+ * Overflowless variant of (block_count * mul_by / div_by)
+ * when div_by > mul_by
+ */
+static lba512_t lba512_muldiv(lba512_t block_count, lba512_t mul_by, lba512_t div_by)
+{
+ lba512_t bc_quot, bc_rem;
+
+ /* x * m / d == x / d * m + (x % d) * m / d */
+ bc_quot = block_count / div_by;
+ bc_rem = block_count - div_by * bc_quot;
+ return bc_quot * mul_by + (bc_rem * mul_by) / div_by;
+}
+
+void dev_print (struct blk_desc *dev_desc)
+{
+ lba512_t lba512; /* number of blocks if 512bytes block size */
+
+ if (dev_desc->type == DEV_TYPE_UNKNOWN) {
+ puts ("not available\n");
+ return;
+ }
+
switch (dev_desc->if_type) {
case IF_TYPE_SCSI:
printf ("(%d:%d) Vendor: %s Prod.: %s Rev: %s\n",
break;
}
puts ("\n");
- if ((dev_desc->lba * dev_desc->blksz)>0L) {
+ if (dev_desc->lba > 0L && dev_desc->blksz > 0L) {
ulong mb, mb_quot, mb_rem, gb, gb_quot, gb_rem;
lbaint_t lba;
lba = dev_desc->lba;
lba512 = (lba * (dev_desc->blksz/512));
- mb = (10 * lba512) / 2048; /* 2048 = (1024 * 1024) / 512 MB */
/* round to 1 digit */
+ /* 2048 = (1024 * 1024) / 512 MB */
+ mb = lba512_muldiv(lba512, 10, 2048);
+
mb_quot = mb / 10;
mb_rem = mb - (10 * mb_quot);
if (dev_desc->lba48)
printf (" Supports 48-bit addressing\n");
#endif
-#if defined(CONFIG_SYS_64BIT_LBA) && defined(CONFIG_SYS_64BIT_VSPRINTF)
- printf (" Capacity: %ld.%ld MB = %ld.%ld GB (%qd x %ld)\n",
+#if defined(CONFIG_SYS_64BIT_LBA)
+ printf (" Capacity: %lu.%lu MB = %lu.%lu GB (%llu x %lu)\n",
mb_quot, mb_rem,
gb_quot, gb_rem,
lba,
dev_desc->blksz);
#else
- printf (" Capacity: %ld.%ld MB = %ld.%ld GB (%ld x %ld)\n",
+ printf (" Capacity: %lu.%lu MB = %lu.%lu GB (%lu x %lu)\n",
mb_quot, mb_rem,
gb_quot, gb_rem,
(ulong)lba,
}
#endif
-#if (defined(CONFIG_CMD_IDE) || \
- defined(CONFIG_CMD_SATA) || \
- defined(CONFIG_CMD_SCSI) || \
- defined(CONFIG_CMD_USB) || \
- defined(CONFIG_MMC) || \
- defined(CONFIG_SYSTEMACE) )
-
-#if defined(CONFIG_MAC_PARTITION) || \
- defined(CONFIG_DOS_PARTITION) || \
- defined(CONFIG_ISO_PARTITION) || \
- defined(CONFIG_AMIGA_PARTITION) || \
- defined(CONFIG_EFI_PARTITION)
-
-void init_part (block_dev_desc_t * dev_desc)
-{
-#ifdef CONFIG_ISO_PARTITION
- if (test_part_iso(dev_desc) == 0) {
- dev_desc->part_type = PART_TYPE_ISO;
- return;
- }
-#endif
-
-#ifdef CONFIG_MAC_PARTITION
- if (test_part_mac(dev_desc) == 0) {
- dev_desc->part_type = PART_TYPE_MAC;
- return;
- }
-#endif
-
-/* must be placed before DOS partition detection */
-#ifdef CONFIG_EFI_PARTITION
- if (test_part_efi(dev_desc) == 0) {
- dev_desc->part_type = PART_TYPE_EFI;
- return;
- }
-#endif
-
-#ifdef CONFIG_DOS_PARTITION
- if (test_part_dos(dev_desc) == 0) {
- dev_desc->part_type = PART_TYPE_DOS;
- return;
- }
-#endif
-
-#ifdef CONFIG_AMIGA_PARTITION
- if (test_part_amiga(dev_desc) == 0) {
- dev_desc->part_type = PART_TYPE_AMIGA;
- return;
- }
-#endif
-}
-
+#ifdef HAVE_BLOCK_DEVICE
-int get_partition_info (block_dev_desc_t *dev_desc, int part
- , disk_partition_t *info)
+void part_init(struct blk_desc *dev_desc)
{
- switch (dev_desc->part_type) {
-#ifdef CONFIG_MAC_PARTITION
- case PART_TYPE_MAC:
- if (get_partition_info_mac(dev_desc,part,info) == 0) {
- PRINTF ("## Valid MAC partition found ##\n");
- return (0);
- }
- break;
-#endif
-
-#ifdef CONFIG_DOS_PARTITION
- case PART_TYPE_DOS:
- if (get_partition_info_dos(dev_desc,part,info) == 0) {
- PRINTF ("## Valid DOS partition found ##\n");
- return (0);
- }
- break;
-#endif
-
-#ifdef CONFIG_ISO_PARTITION
- case PART_TYPE_ISO:
- if (get_partition_info_iso(dev_desc,part,info) == 0) {
- PRINTF ("## Valid ISO boot partition found ##\n");
- return (0);
+ struct part_driver *drv =
+ ll_entry_start(struct part_driver, part_driver);
+ const int n_ents = ll_entry_count(struct part_driver, part_driver);
+ struct part_driver *entry;
+
+ blkcache_invalidate(dev_desc->if_type, dev_desc->devnum);
+
+ dev_desc->part_type = PART_TYPE_UNKNOWN;
+ for (entry = drv; entry != drv + n_ents; entry++) {
+ int ret;
+
+ ret = entry->test(dev_desc);
+ debug("%s: try '%s': ret=%d\n", __func__, entry->name, ret);
+ if (!ret) {
+ dev_desc->part_type = entry->part_type;
+ break;
}
- break;
-#endif
-
-#ifdef CONFIG_AMIGA_PARTITION
- case PART_TYPE_AMIGA:
- if (get_partition_info_amiga(dev_desc, part, info) == 0)
- {
- PRINTF ("## Valid Amiga partition found ##\n");
- return (0);
- }
- break;
-#endif
-
-#ifdef CONFIG_EFI_PARTITION
- case PART_TYPE_EFI:
- if (get_partition_info_efi(dev_desc,part,info) == 0) {
- PRINTF ("## Valid EFI partition found ##\n");
- return (0);
- }
- break;
-#endif
- default:
- break;
}
- return (-1);
}
-static void print_part_header (const char *type, block_dev_desc_t * dev_desc)
+static void print_part_header(const char *type, struct blk_desc *dev_desc)
{
+#if CONFIG_IS_ENABLED(MAC_PARTITION) || \
+ defined(CONFIG_DOS_PARTITION) || \
+ defined(CONFIG_ISO_PARTITION) || \
+ defined(CONFIG_AMIGA_PARTITION) || \
+ defined(CONFIG_EFI_PARTITION)
puts ("\nPartition Map for ");
switch (dev_desc->if_type) {
case IF_TYPE_IDE:
case IF_TYPE_DOC:
puts ("DOC");
break;
+ case IF_TYPE_MMC:
+ puts ("MMC");
+ break;
+ case IF_TYPE_HOST:
+ puts("HOST");
+ break;
default:
puts ("UNKNOWN");
break;
}
printf (" device %d -- Partition Type: %s\n\n",
- dev_desc->dev, type);
+ dev_desc->devnum, type);
+#endif /* any CONFIG_..._PARTITION */
}
-void print_part (block_dev_desc_t * dev_desc)
+void part_print(struct blk_desc *dev_desc)
{
+ struct part_driver *drv;
- switch (dev_desc->part_type) {
-#ifdef CONFIG_MAC_PARTITION
- case PART_TYPE_MAC:
- PRINTF ("## Testing for valid MAC partition ##\n");
- print_part_header ("MAC", dev_desc);
- print_part_mac (dev_desc);
+ drv = part_driver_lookup_type(dev_desc->part_type);
+ if (!drv) {
+ printf("## Unknown partition table type %x\n",
+ dev_desc->part_type);
return;
+ }
+
+ PRINTF("## Testing for valid %s partition ##\n", drv->name);
+ print_part_header(drv->name, dev_desc);
+ if (drv->print)
+ drv->print(dev_desc);
+}
+
+#endif /* HAVE_BLOCK_DEVICE */
+
+int part_get_info(struct blk_desc *dev_desc, int part,
+ disk_partition_t *info)
+{
+#ifdef HAVE_BLOCK_DEVICE
+ struct part_driver *drv;
+
+#ifdef CONFIG_PARTITION_UUIDS
+ /* The common case is no UUID support */
+ info->uuid[0] = 0;
#endif
-#ifdef CONFIG_DOS_PARTITION
- case PART_TYPE_DOS:
- PRINTF ("## Testing for valid DOS partition ##\n");
- print_part_header ("DOS", dev_desc);
- print_part_dos (dev_desc);
- return;
+#ifdef CONFIG_PARTITION_TYPE_GUID
+ info->type_guid[0] = 0;
#endif
-#ifdef CONFIG_ISO_PARTITION
- case PART_TYPE_ISO:
- PRINTF ("## Testing for valid ISO Boot partition ##\n");
- print_part_header ("ISO", dev_desc);
- print_part_iso (dev_desc);
- return;
-#endif
+ drv = part_driver_lookup_type(dev_desc->part_type);
+ if (!drv) {
+ debug("## Unknown partition table type %x\n",
+ dev_desc->part_type);
+ return -EPROTONOSUPPORT;
+ }
+ if (!drv->get_info) {
+ PRINTF("## Driver %s does not have the get_info() method\n",
+ drv->name);
+ return -ENOSYS;
+ }
+ if (drv->get_info(dev_desc, part, info) == 0) {
+ PRINTF("## Valid %s partition found ##\n", drv->name);
+ return 0;
+ }
+#endif /* HAVE_BLOCK_DEVICE */
+
+ return -1;
+}
+
+int blk_get_device_by_str(const char *ifname, const char *dev_hwpart_str,
+ struct blk_desc **dev_desc)
+{
+ char *ep;
+ char *dup_str = NULL;
+ const char *dev_str, *hwpart_str;
+ int dev, hwpart;
+
+ hwpart_str = strchr(dev_hwpart_str, '.');
+ if (hwpart_str) {
+ dup_str = strdup(dev_hwpart_str);
+ dup_str[hwpart_str - dev_hwpart_str] = 0;
+ dev_str = dup_str;
+ hwpart_str++;
+ } else {
+ dev_str = dev_hwpart_str;
+ hwpart = 0;
+ }
+
+ dev = simple_strtoul(dev_str, &ep, 16);
+ if (*ep) {
+ printf("** Bad device specification %s %s **\n",
+ ifname, dev_str);
+ dev = -EINVAL;
+ goto cleanup;
+ }
-#ifdef CONFIG_AMIGA_PARTITION
- case PART_TYPE_AMIGA:
- PRINTF ("## Testing for a valid Amiga partition ##\n");
- print_part_header ("AMIGA", dev_desc);
- print_part_amiga (dev_desc);
- return;
+ if (hwpart_str) {
+ hwpart = simple_strtoul(hwpart_str, &ep, 16);
+ if (*ep) {
+ printf("** Bad HW partition specification %s %s **\n",
+ ifname, hwpart_str);
+ dev = -EINVAL;
+ goto cleanup;
+ }
+ }
+
+ *dev_desc = get_dev_hwpart(ifname, dev, hwpart);
+ if (!(*dev_desc) || ((*dev_desc)->type == DEV_TYPE_UNKNOWN)) {
+ printf("** Bad device %s %s **\n", ifname, dev_hwpart_str);
+ dev = -ENOENT;
+ goto cleanup;
+ }
+
+#ifdef HAVE_BLOCK_DEVICE
+ /*
+ * Updates the partition table for the specified hw partition.
+ * Does not need to be done for hwpart 0 since it is default and
+ * already loaded.
+ */
+ if(hwpart != 0)
+ part_init(*dev_desc);
#endif
-#ifdef CONFIG_EFI_PARTITION
- case PART_TYPE_EFI:
- PRINTF ("## Testing for valid EFI partition ##\n");
- print_part_header ("EFI", dev_desc);
- print_part_efi (dev_desc);
- return;
+cleanup:
+ free(dup_str);
+ return dev;
+}
+
+#define PART_UNSPECIFIED -2
+#define PART_AUTO -1
+#define MAX_SEARCH_PARTITIONS 16
+int blk_get_device_part_str(const char *ifname, const char *dev_part_str,
+ struct blk_desc **dev_desc,
+ disk_partition_t *info, int allow_whole_dev)
+{
+ int ret = -1;
+ const char *part_str;
+ char *dup_str = NULL;
+ const char *dev_str;
+ int dev;
+ char *ep;
+ int p;
+ int part;
+ disk_partition_t tmpinfo;
+
+#ifdef CONFIG_SANDBOX
+ /*
+ * Special-case a pseudo block device "hostfs", to allow access to the
+ * host's own filesystem.
+ */
+ if (0 == strcmp(ifname, "hostfs")) {
+ *dev_desc = NULL;
+ info->start = 0;
+ info->size = 0;
+ info->blksz = 0;
+ info->bootable = 0;
+ strcpy((char *)info->type, BOOT_PART_TYPE);
+ strcpy((char *)info->name, "Sandbox host");
+#ifdef CONFIG_PARTITION_UUIDS
+ info->uuid[0] = 0;
+#endif
+#ifdef CONFIG_PARTITION_TYPE_GUID
+ info->type_guid[0] = 0;
#endif
+
+ return 0;
}
- puts ("## Unknown partition table\n");
-}
+#endif
+#ifdef CONFIG_CMD_UBIFS
+ /*
+ * Special-case ubi, ubi goes through a mtd, rathen then through
+ * a regular block device.
+ */
+ if (0 == strcmp(ifname, "ubi")) {
+ if (!ubifs_is_mounted()) {
+ printf("UBIFS not mounted, use ubifsmount to mount volume first!\n");
+ return -1;
+ }
-#else /* neither MAC nor DOS nor ISO nor AMIGA nor EFI partition configured */
-# error neither CONFIG_MAC_PARTITION nor CONFIG_DOS_PARTITION
-# error nor CONFIG_ISO_PARTITION nor CONFIG_AMIGA_PARTITION
-# error nor CONFIG_EFI_PARTITION configured!
+ *dev_desc = NULL;
+ memset(info, 0, sizeof(*info));
+ strcpy((char *)info->type, BOOT_PART_TYPE);
+ strcpy((char *)info->name, "UBI");
+#ifdef CONFIG_PARTITION_UUIDS
+ info->uuid[0] = 0;
+#endif
+ return 0;
+ }
#endif
+ /* If no dev_part_str, use bootdevice environment variable */
+ if (!dev_part_str || !strlen(dev_part_str) ||
+ !strcmp(dev_part_str, "-"))
+ dev_part_str = getenv("bootdevice");
+
+ /* If still no dev_part_str, it's an error */
+ if (!dev_part_str) {
+ printf("** No device specified **\n");
+ goto cleanup;
+ }
+
+ /* Separate device and partition ID specification */
+ part_str = strchr(dev_part_str, ':');
+ if (part_str) {
+ dup_str = strdup(dev_part_str);
+ dup_str[part_str - dev_part_str] = 0;
+ dev_str = dup_str;
+ part_str++;
+ } else {
+ dev_str = dev_part_str;
+ }
+
+ /* Look up the device */
+ dev = blk_get_device_by_str(ifname, dev_str, dev_desc);
+ if (dev < 0)
+ goto cleanup;
+
+ /* Convert partition ID string to number */
+ if (!part_str || !*part_str) {
+ part = PART_UNSPECIFIED;
+ } else if (!strcmp(part_str, "auto")) {
+ part = PART_AUTO;
+ } else {
+ /* Something specified -> use exactly that */
+ part = (int)simple_strtoul(part_str, &ep, 16);
+ /*
+ * Less than whole string converted,
+ * or request for whole device, but caller requires partition.
+ */
+ if (*ep || (part == 0 && !allow_whole_dev)) {
+ printf("** Bad partition specification %s %s **\n",
+ ifname, dev_part_str);
+ goto cleanup;
+ }
+ }
+
+ /*
+ * No partition table on device,
+ * or user requested partition 0 (entire device).
+ */
+ if (((*dev_desc)->part_type == PART_TYPE_UNKNOWN) ||
+ (part == 0)) {
+ if (!(*dev_desc)->lba) {
+ printf("** Bad device size - %s %s **\n", ifname,
+ dev_str);
+ goto cleanup;
+ }
+
+ /*
+ * If user specified a partition ID other than 0,
+ * or the calling command only accepts partitions,
+ * it's an error.
+ */
+ if ((part > 0) || (!allow_whole_dev)) {
+ printf("** No partition table - %s %s **\n", ifname,
+ dev_str);
+ goto cleanup;
+ }
+
+ (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz);
+
+ info->start = 0;
+ info->size = (*dev_desc)->lba;
+ info->blksz = (*dev_desc)->blksz;
+ info->bootable = 0;
+ strcpy((char *)info->type, BOOT_PART_TYPE);
+ strcpy((char *)info->name, "Whole Disk");
+#ifdef CONFIG_PARTITION_UUIDS
+ info->uuid[0] = 0;
#endif
+#ifdef CONFIG_PARTITION_TYPE_GUID
+ info->type_guid[0] = 0;
+#endif
+
+ ret = 0;
+ goto cleanup;
+ }
+
+ /*
+ * Now there's known to be a partition table,
+ * not specifying a partition means to pick partition 1.
+ */
+ if (part == PART_UNSPECIFIED)
+ part = 1;
+
+ /*
+ * If user didn't specify a partition number, or did specify something
+ * other than "auto", use that partition number directly.
+ */
+ if (part != PART_AUTO) {
+ ret = part_get_info(*dev_desc, part, info);
+ if (ret) {
+ printf("** Invalid partition %d **\n", part);
+ goto cleanup;
+ }
+ } else {
+ /*
+ * Find the first bootable partition.
+ * If none are bootable, fall back to the first valid partition.
+ */
+ part = 0;
+ for (p = 1; p <= MAX_SEARCH_PARTITIONS; p++) {
+ ret = part_get_info(*dev_desc, p, info);
+ if (ret)
+ continue;
+
+ /*
+ * First valid partition, or new better partition?
+ * If so, save partition ID.
+ */
+ if (!part || info->bootable)
+ part = p;
+
+ /* Best possible partition? Stop searching. */
+ if (info->bootable)
+ break;
+
+ /*
+ * We now need to search further for best possible.
+ * If we what we just queried was the best so far,
+ * save the info since we over-write it next loop.
+ */
+ if (part == p)
+ tmpinfo = *info;
+ }
+ /* If we found any acceptable partition */
+ if (part) {
+ /*
+ * If we searched all possible partition IDs,
+ * return the first valid partition we found.
+ */
+ if (p == MAX_SEARCH_PARTITIONS + 1)
+ *info = tmpinfo;
+ } else {
+ printf("** No valid partitions found **\n");
+ ret = -1;
+ goto cleanup;
+ }
+ }
+ if (strncmp((char *)info->type, BOOT_PART_TYPE, sizeof(info->type)) != 0) {
+ printf("** Invalid partition type \"%.32s\""
+ " (expect \"" BOOT_PART_TYPE "\")\n",
+ info->type);
+ ret = -1;
+ goto cleanup;
+ }
+
+ (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz);
+
+ ret = part;
+ goto cleanup;
+
+cleanup:
+ free(dup_str);
+ return ret;
+}
+
+int part_get_info_by_name(struct blk_desc *dev_desc, const char *name,
+ disk_partition_t *info)
+{
+ struct part_driver *first_drv =
+ ll_entry_start(struct part_driver, part_driver);
+ const int n_drvs = ll_entry_count(struct part_driver, part_driver);
+ struct part_driver *part_drv;
+
+ for (part_drv = first_drv; part_drv != first_drv + n_drvs; part_drv++) {
+ int ret;
+ int i;
+ for (i = 1; i < part_drv->max_entries; i++) {
+ ret = part_drv->get_info(dev_desc, i, info);
+ if (ret != 0) {
+ /* no more entries in table */
+ break;
+ }
+ if (strcmp(name, (const char *)info->name) == 0) {
+ /* matched */
+ return 0;
+ }
+ }
+ }
+ return -1;
+}
+
+void part_set_generic_name(const struct blk_desc *dev_desc,
+ int part_num, char *name)
+{
+ char *devtype;
+
+ switch (dev_desc->if_type) {
+ case IF_TYPE_IDE:
+ case IF_TYPE_SATA:
+ case IF_TYPE_ATAPI:
+ devtype = "hd";
+ break;
+ case IF_TYPE_SCSI:
+ devtype = "sd";
+ break;
+ case IF_TYPE_USB:
+ devtype = "usbd";
+ break;
+ case IF_TYPE_DOC:
+ devtype = "docd";
+ break;
+ case IF_TYPE_MMC:
+ case IF_TYPE_SD:
+ devtype = "mmcsd";
+ break;
+ default:
+ devtype = "xx";
+ break;
+ }
+
+ sprintf(name, "%s%c%d", devtype, 'a' + dev_desc->devnum, part_num);
+}
projects / platform / kernel / u-boot.git / blobdiff