83 lines
3.1 KiB
C
83 lines
3.1 KiB
C
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/****************************************************************************
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* fs/partition/partition.h
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*
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* Copyright (C) 2018 Pinecone Inc. All rights reserved.
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* Author: Xiang Xiao <xiaoxiangg@pinecone.net>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __FS_PARTITION_PARTITION_H
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#define __FS_PARTITION_PARTITION_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/fs/fs.h>
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#include <nuttx/fs/partition.h>
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#include <nuttx/mtd/mtd.h>
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#ifndef CONFIG_DISABLE_MOUNTPOINT
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/****************************************************************************
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* Public Types
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****************************************************************************/
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struct partition_state_s
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{
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FAR struct mtd_dev_s *mtd;
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FAR struct inode *blk;
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size_t nblocks;
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size_t blocksize;
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size_t erasesize;
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};
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/****************************************************************************
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* Public Inline Functions
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****************************************************************************/
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static inline int read_partition_block(FAR struct partition_state_s *state,
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FAR void *buffer, size_t startblock,
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size_t nblocks)
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{
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if (state->blk)
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{
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return state->blk->u.i_bops->read(state->blk, buffer, startblock, nblocks);
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}
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else
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{
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return state->mtd->bread(state->mtd, startblock, nblocks, buffer);
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}
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}
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#endif /* CONFIG_DISABLE_MOUNTPOINT */
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#endif /* __FS_PARTITION_PARTITION_H */
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