100 lines
3.5 KiB
C
100 lines
3.5 KiB
C
/*
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* Copyright (c) 2015 Grzegorz Kostka (kostka.grzegorz@gmail.com)
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* All rights reserved.
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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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* - 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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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* - The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <ext4_config.h>
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#include <ext4_blockdev.h>
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#include <ext4_errno.h>
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/**********************BLOCKDEV INTERFACE**************************************/
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static int blockdev_open(struct ext4_blockdev *bdev);
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static int blockdev_bread(struct ext4_blockdev *bdev, void *buf, uint64_t blk_id,
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uint32_t blk_cnt);
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static int blockdev_bwrite(struct ext4_blockdev *bdev, const void *buf,
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uint64_t blk_id, uint32_t blk_cnt);
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static int blockdev_close(struct ext4_blockdev *bdev);
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static int blockdev_lock(struct ext4_blockdev *bdev);
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static int blockdev_unlock(struct ext4_blockdev *bdev);
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/******************************************************************************/
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EXT4_BLOCKDEV_STATIC_INSTANCE(blockdev, 512, 0, blockdev_open,
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blockdev_bread, blockdev_bwrite, blockdev_close,
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blockdev_lock, blockdev_unlock);
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/******************************************************************************/
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static int blockdev_open(struct ext4_blockdev *bdev)
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{
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/*blockdev_open: skeleton*/
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return EIO;
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}
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/******************************************************************************/
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static int blockdev_bread(struct ext4_blockdev *bdev, void *buf, uint64_t blk_id,
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uint32_t blk_cnt)
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{
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/*blockdev_bread: skeleton*/
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return EIO;
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}
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/******************************************************************************/
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static int blockdev_bwrite(struct ext4_blockdev *bdev, const void *buf,
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uint64_t blk_id, uint32_t blk_cnt)
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{
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/*blockdev_bwrite: skeleton*/
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return EIO;
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}
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/******************************************************************************/
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static int blockdev_close(struct ext4_blockdev *bdev)
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{
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/*blockdev_close: skeleton*/
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return EIO;
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}
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static int blockdev_lock(struct ext4_blockdev *bdev)
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{
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/*blockdev_lock: skeleton*/
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return EIO;
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}
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static int blockdev_unlock(struct ext4_blockdev *bdev)
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{
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/*blockdev_unlock: skeleton*/
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return EIO;
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}
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/******************************************************************************/
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struct ext4_blockdev *ext4_blockdev_get(void)
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{
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return &blockdev;
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}
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/******************************************************************************/
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