rt-thread-official/components/drivers/block/partitions/dfs.c

54 lines
1.0 KiB
C

/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2011-07-25 weety first version
* 2023-02-25 GuEe-GUI make blk interface
*/
#include "efi.h"
#define DBG_TAG "blk.part.dfs"
#define DBG_LVL DBG_INFO
#include <rtdbg.h>
rt_err_t dfs_partition(struct rt_blk_disk *disk)
{
rt_ssize_t res;
struct dfs_partition part;
rt_uint8_t *sector = rt_malloc(rt_blk_disk_get_logical_block_size(disk));
if (!sector)
{
return -RT_ENOMEM;
}
res = disk->ops->read(disk, 0, sector, 1);
if (res < 0)
{
rt_free(sector);
return res;
}
for (rt_size_t i = 0; i < disk->max_partitions; ++i)
{
res = dfs_filesystem_get_partition(&part, sector, i);
if (res)
{
break;
}
if (blk_put_partition(disk, "dfs", part.offset, part.size, i) == -RT_ENOMEM)
{
break;
}
}
return RT_EOK;
}