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mtd: Enable retrieval of MTD partition information

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Signed-off-by: Gustavo Henrique Nihei <gustavo.nihei@espressif.com>
This commit is contained in:
Gustavo Henrique Nihei 2021-07-30 10:40:18 -03:00 committed by Xiang Xiao
parent 6f5d02fb91
commit cddd9c9c38
2 changed files with 25 additions and 0 deletions
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19
drivers/mtd/mtd_partition.c
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@ -414,6 +414,25 @@ static int part_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg)
} }
break; break;
case MTDIOC_PARTINFO:
{
FAR struct partition_info_s *info =
(FAR struct partition_info_s *)arg;
if (info != NULL)
{
info->magic = 0;
info->numsectors = priv->neraseblocks * priv->blkpererase;
info->sectorsize = priv->blocksize;
info->startsector = priv->firstblock;
info->endsector = priv->firstblock + info->numsectors;
strncpy(info->parent, priv->parent->name, NAME_MAX);
ret = OK;
}
}
break;
case MTDIOC_XIPBASE: case MTDIOC_XIPBASE:
{ {
FAR void **ppv = (FAR void**)arg; FAR void **ppv = (FAR void**)arg;

6
include/nuttx/mtd/mtd.h
View File

@ -74,6 +74,12 @@
#define MTDIOC_ERASESTATE _MTDIOC(0x000a) /* IN: Pointer to uint8_t #define MTDIOC_ERASESTATE _MTDIOC(0x000a) /* IN: Pointer to uint8_t
* OUT: Byte value that represents the * OUT: Byte value that represents the
* erased state of the MTD cell */ * erased state of the MTD cell */
#define MTDIOC_PARTINFO _MTDIOC(0x000b) /* IN: Pointer to writable struct
* partition_info_s in which to
* receive partition information data
* OUT: Partition information structure
* populated with data from the MTD
* partition */
/* Macros to hide implementation */ /* Macros to hide implementation */