| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * (C) Copyright 2001 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| */ |
| |
| #include <common.h> |
| #include <blk.h> |
| #include <command.h> |
| #include <env.h> |
| #include <errno.h> |
| #include <ide.h> |
| #include <log.h> |
| #include <malloc.h> |
| #include <part.h> |
| #include <ubifs_uboot.h> |
| |
| #undef PART_DEBUG |
| |
| #ifdef PART_DEBUG |
| #define PRINTF(fmt,args...) printf (fmt ,##args) |
| #else |
| #define PRINTF(fmt,args...) |
| #endif |
| |
| /* Check all partition types */ |
| #define PART_TYPE_ALL -1 |
| |
| static struct part_driver *part_driver_lookup_type(struct blk_desc *dev_desc) |
| { |
| 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; |
| |
| if (dev_desc->part_type == PART_TYPE_UNKNOWN) { |
| for (entry = drv; entry != drv + n_ents; entry++) { |
| int ret; |
| |
| ret = entry->test(dev_desc); |
| if (!ret) { |
| dev_desc->part_type = entry->part_type; |
| return entry; |
| } |
| } |
| } else { |
| for (entry = drv; entry != drv + n_ents; entry++) { |
| if (dev_desc->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; |
| |
| if (!blk_enabled()) |
| return NULL; |
| 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) |
| { |
| if (!blk_enabled()) |
| return NULL; |
| |
| return get_dev_hwpart(ifname, dev, 0); |
| } |
| |
| /* ------------------------------------------------------------------------- */ |
| /* |
| * reports device info to the user |
| */ |
| |
| #ifdef CONFIG_LBA48 |
| typedef uint64_t lba512_t; |
| #else |
| typedef lbaint_t lba512_t; |
| #endif |
| |
| /* |
| * Overflowless variant of (block_count * mul_by / 2**right_shift) |
| * when 2**right_shift > mul_by |
| */ |
| static lba512_t lba512_muldiv(lba512_t block_count, lba512_t mul_by, |
| int right_shift) |
| { |
| lba512_t bc_quot, bc_rem; |
| |
| /* x * m / d == x / d * m + (x % d) * m / d */ |
| bc_quot = block_count >> right_shift; |
| bc_rem = block_count - (bc_quot << right_shift); |
| return bc_quot * mul_by + ((bc_rem * mul_by) >> right_shift); |
| } |
| |
| 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 UCLASS_SCSI: |
| printf ("(%d:%d) Vendor: %s Prod.: %s Rev: %s\n", |
| dev_desc->target,dev_desc->lun, |
| dev_desc->vendor, |
| dev_desc->product, |
| dev_desc->revision); |
| break; |
| case UCLASS_IDE: |
| case UCLASS_AHCI: |
| printf ("Model: %s Firm: %s Ser#: %s\n", |
| dev_desc->vendor, |
| dev_desc->revision, |
| dev_desc->product); |
| break; |
| case UCLASS_MMC: |
| case UCLASS_USB: |
| case UCLASS_NVME: |
| case UCLASS_PVBLOCK: |
| case UCLASS_ROOT: |
| printf ("Vendor: %s Rev: %s Prod: %s\n", |
| dev_desc->vendor, |
| dev_desc->revision, |
| dev_desc->product); |
| break; |
| case UCLASS_VIRTIO: |
| printf("%s VirtIO Block Device\n", dev_desc->vendor); |
| break; |
| case UCLASS_EFI_MEDIA: |
| printf("EFI media Block Device %d\n", dev_desc->devnum); |
| break; |
| case UCLASS_INVALID: |
| puts("device type unknown\n"); |
| return; |
| default: |
| printf("Unhandled device type: %i\n", dev_desc->if_type); |
| return; |
| } |
| puts (" Type: "); |
| if (dev_desc->removable) |
| puts ("Removable "); |
| switch (dev_desc->type & 0x1F) { |
| case DEV_TYPE_HARDDISK: |
| puts ("Hard Disk"); |
| break; |
| case DEV_TYPE_CDROM: |
| puts ("CD ROM"); |
| break; |
| case DEV_TYPE_OPDISK: |
| puts ("Optical Device"); |
| break; |
| case DEV_TYPE_TAPE: |
| puts ("Tape"); |
| break; |
| default: |
| printf ("# %02X #", dev_desc->type & 0x1F); |
| break; |
| } |
| puts ("\n"); |
| 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)); |
| /* round to 1 digit */ |
| /* 2048 = (1024 * 1024) / 512 MB */ |
| mb = lba512_muldiv(lba512, 10, 11); |
| |
| mb_quot = mb / 10; |
| mb_rem = mb - (10 * mb_quot); |
| |
| gb = mb / 1024; |
| gb_quot = gb / 10; |
| gb_rem = gb - (10 * gb_quot); |
| #ifdef CONFIG_LBA48 |
| if (dev_desc->lba48) |
| printf (" Supports 48-bit addressing\n"); |
| #endif |
| #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: %lu.%lu MB = %lu.%lu GB (%lu x %lu)\n", |
| mb_quot, mb_rem, |
| gb_quot, gb_rem, |
| (ulong)lba, |
| dev_desc->blksz); |
| #endif |
| } else { |
| puts (" Capacity: not available\n"); |
| } |
| } |
| |
| void part_init(struct blk_desc *dev_desc) |
| { |
| 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; |
| } |
| } |
| } |
| |
| static void print_part_header(const char *type, struct blk_desc *dev_desc) |
| { |
| #if CONFIG_IS_ENABLED(MAC_PARTITION) || \ |
| CONFIG_IS_ENABLED(DOS_PARTITION) || \ |
| CONFIG_IS_ENABLED(ISO_PARTITION) || \ |
| CONFIG_IS_ENABLED(AMIGA_PARTITION) || \ |
| CONFIG_IS_ENABLED(EFI_PARTITION) |
| puts ("\nPartition Map for "); |
| switch (dev_desc->if_type) { |
| case UCLASS_IDE: |
| puts ("IDE"); |
| break; |
| case UCLASS_AHCI: |
| puts ("SATA"); |
| break; |
| case UCLASS_SCSI: |
| puts ("SCSI"); |
| break; |
| case UCLASS_USB: |
| puts ("USB"); |
| break; |
| case UCLASS_MMC: |
| puts ("MMC"); |
| break; |
| case UCLASS_ROOT: |
| puts ("HOST"); |
| break; |
| case UCLASS_NVME: |
| puts ("NVMe"); |
| break; |
| case UCLASS_PVBLOCK: |
| puts("PV BLOCK"); |
| break; |
| case UCLASS_VIRTIO: |
| puts("VirtIO"); |
| break; |
| case UCLASS_EFI_MEDIA: |
| puts("EFI"); |
| break; |
| default: |
| puts("UNKNOWN"); |
| break; |
| } |
| printf (" device %d -- Partition Type: %s\n\n", |
| dev_desc->devnum, type); |
| #endif /* any CONFIG_..._PARTITION */ |
| } |
| |
| void part_print(struct blk_desc *dev_desc) |
| { |
| struct part_driver *drv; |
| |
| drv = part_driver_lookup_type(dev_desc); |
| 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); |
| } |
| |
| int part_get_info(struct blk_desc *dev_desc, int part, |
| struct disk_partition *info) |
| { |
| struct part_driver *drv; |
| |
| if (blk_enabled()) { |
| #if CONFIG_IS_ENABLED(PARTITION_UUIDS) |
| /* The common case is no UUID support */ |
| info->uuid[0] = 0; |
| #endif |
| #ifdef CONFIG_PARTITION_TYPE_GUID |
| info->type_guid[0] = 0; |
| #endif |
| |
| drv = part_driver_lookup_type(dev_desc); |
| 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; |
| } |
| } |
| |
| return -ENOENT; |
| } |
| |
| int part_get_info_whole_disk(struct blk_desc *dev_desc, |
| struct disk_partition *info) |
| { |
| 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"); |
| #if CONFIG_IS_ENABLED(PARTITION_UUIDS) |
| info->uuid[0] = 0; |
| #endif |
| #ifdef CONFIG_PARTITION_TYPE_GUID |
| info->type_guid[0] = 0; |
| #endif |
| |
| return 0; |
| } |
| |
| 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 = hextoul(dev_str, &ep); |
| if (*ep) { |
| printf("** Bad device specification %s %s **\n", |
| ifname, dev_str); |
| dev = -EINVAL; |
| goto cleanup; |
| } |
| |
| if (hwpart_str) { |
| hwpart = hextoul(hwpart_str, &ep); |
| 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)) { |
| debug("** Bad device %s %s **\n", ifname, dev_hwpart_str); |
| dev = -ENODEV; |
| goto cleanup; |
| } |
| |
| if (blk_enabled()) { |
| /* |
| * Updates the partition table for the specified hw partition. |
| * Always should be done, otherwise hw partition 0 will return |
| * stale data after displaying a non-zero hw partition. |
| */ |
| if ((*dev_desc)->if_type == UCLASS_MMC) |
| part_init(*dev_desc); |
| } |
| |
| cleanup: |
| free(dup_str); |
| return dev; |
| } |
| |
| #define PART_UNSPECIFIED -2 |
| #define PART_AUTO -1 |
| int blk_get_device_part_str(const char *ifname, const char *dev_part_str, |
| struct blk_desc **dev_desc, |
| struct disk_partition *info, int allow_whole_dev) |
| { |
| int ret; |
| const char *part_str; |
| char *dup_str = NULL; |
| const char *dev_str; |
| int dev; |
| char *ep; |
| int p; |
| int part; |
| struct disk_partition tmpinfo; |
| |
| #if IS_ENABLED(CONFIG_SANDBOX) || IS_ENABLED(CONFIG_SEMIHOSTING) |
| /* |
| * 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, "Host filesystem"); |
| #if CONFIG_IS_ENABLED(PARTITION_UUIDS) |
| info->uuid[0] = 0; |
| #endif |
| #ifdef CONFIG_PARTITION_TYPE_GUID |
| info->type_guid[0] = 0; |
| #endif |
| |
| return 0; |
| } |
| #endif |
| |
| #if IS_ENABLED(CONFIG_CMD_UBIFS) && !IS_ENABLED(CONFIG_SPL_BUILD) |
| /* |
| * Special-case ubi, ubi goes through a mtd, rather than 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 -EINVAL; |
| } |
| |
| *dev_desc = NULL; |
| memset(info, 0, sizeof(*info)); |
| strcpy((char *)info->type, BOOT_PART_TYPE); |
| strcpy((char *)info->name, "UBI"); |
| #if CONFIG_IS_ENABLED(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 = env_get("bootdevice"); |
| |
| /* If still no dev_part_str, it's an error */ |
| if (!dev_part_str) { |
| printf("** No device specified **\n"); |
| ret = -ENODEV; |
| 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) { |
| printf("** Bad device specification %s %s **\n", |
| ifname, dev_str); |
| ret = dev; |
| 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)hextoul(part_str, &ep); |
| /* |
| * 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); |
| ret = -ENOENT; |
| 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); |
| ret = -EINVAL; |
| 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); |
| ret = -EPROTONOSUPPORT; |
| goto cleanup; |
| } |
| |
| (*dev_desc)->log2blksz = LOG2((*dev_desc)->blksz); |
| |
| part_get_info_whole_disk(*dev_desc, info); |
| |
| 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"); |
| 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 = -EINVAL; |
| 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_type(struct blk_desc *dev_desc, const char *name, |
| struct disk_partition *info, int part_type) |
| { |
| struct part_driver *part_drv; |
| int ret; |
| int i; |
| |
| part_drv = part_driver_lookup_type(dev_desc); |
| if (!part_drv) |
| return -1; |
| |
| if (!part_drv->get_info) { |
| log_debug("## Driver %s does not have the get_info() method\n", |
| part_drv->name); |
| return -ENOSYS; |
| } |
| |
| 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 i; |
| } |
| } |
| |
| return -ENOENT; |
| } |
| |
| int part_get_info_by_name(struct blk_desc *dev_desc, const char *name, |
| struct disk_partition *info) |
| { |
| return part_get_info_by_name_type(dev_desc, name, info, PART_TYPE_ALL); |
| } |
| |
| /** |
| * Get partition info from device number and partition name. |
| * |
| * Parse a device number and partition name string in the form of |
| * "devicenum.hwpartnum#partition_name", for example "0.1#misc". devicenum and |
| * hwpartnum are both optional, defaulting to 0. If the partition is found, |
| * sets dev_desc and part_info accordingly with the information of the |
| * partition with the given partition_name. |
| * |
| * @param[in] dev_iface Device interface |
| * @param[in] dev_part_str Input string argument, like "0.1#misc" |
| * @param[out] dev_desc Place to store the device description pointer |
| * @param[out] part_info Place to store the partition information |
| * Return: 0 on success, or a negative on error |
| */ |
| static int part_get_info_by_dev_and_name(const char *dev_iface, |
| const char *dev_part_str, |
| struct blk_desc **dev_desc, |
| struct disk_partition *part_info) |
| { |
| char *dup_str = NULL; |
| const char *dev_str, *part_str; |
| int ret; |
| |
| /* Separate device and partition name specification */ |
| if (dev_part_str) |
| part_str = strchr(dev_part_str, '#'); |
| else |
| part_str = NULL; |
| |
| if (part_str) { |
| dup_str = strdup(dev_part_str); |
| dup_str[part_str - dev_part_str] = 0; |
| dev_str = dup_str; |
| part_str++; |
| } else { |
| return -EINVAL; |
| } |
| |
| ret = blk_get_device_by_str(dev_iface, dev_str, dev_desc); |
| if (ret < 0) |
| goto cleanup; |
| |
| ret = part_get_info_by_name(*dev_desc, part_str, part_info); |
| if (ret < 0) |
| printf("Could not find \"%s\" partition\n", part_str); |
| |
| cleanup: |
| free(dup_str); |
| return ret; |
| } |
| |
| int part_get_info_by_dev_and_name_or_num(const char *dev_iface, |
| const char *dev_part_str, |
| struct blk_desc **dev_desc, |
| struct disk_partition *part_info, |
| int allow_whole_dev) |
| { |
| int ret; |
| |
| /* Split the part_name if passed as "$dev_num#part_name". */ |
| ret = part_get_info_by_dev_and_name(dev_iface, dev_part_str, |
| dev_desc, part_info); |
| if (ret >= 0) |
| return ret; |
| /* |
| * Couldn't lookup by name, try looking up the partition description |
| * directly. |
| */ |
| ret = blk_get_device_part_str(dev_iface, dev_part_str, |
| dev_desc, part_info, allow_whole_dev); |
| if (ret < 0) |
| printf("Couldn't find partition %s %s\n", |
| dev_iface, dev_part_str); |
| return ret; |
| } |
| |
| void part_set_generic_name(const struct blk_desc *dev_desc, |
| int part_num, char *name) |
| { |
| char *devtype; |
| |
| switch (dev_desc->if_type) { |
| case UCLASS_IDE: |
| case UCLASS_AHCI: |
| devtype = "hd"; |
| break; |
| case UCLASS_SCSI: |
| devtype = "sd"; |
| break; |
| case UCLASS_USB: |
| devtype = "usbd"; |
| break; |
| case UCLASS_MMC: |
| devtype = "mmcsd"; |
| break; |
| default: |
| devtype = "xx"; |
| break; |
| } |
| |
| sprintf(name, "%s%c%d", devtype, 'a' + dev_desc->devnum, part_num); |
| } |