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/*
* QEMU I/O channels block driver
*
* Copyright (c) 2022 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef QIO_CHANNEL_BLOCK_H
#define QIO_CHANNEL_BLOCK_H
#include "io/channel.h"
#include "qom/object.h"
#define TYPE_QIO_CHANNEL_BLOCK "qio-channel-block"
OBJECT_DECLARE_SIMPLE_TYPE(QIOChannelBlock, QIO_CHANNEL_BLOCK)
/**
* QIOChannelBlock:
*
* The QIOChannelBlock object provides a channel implementation
* that is able to perform I/O on the BlockDriverState objects
* to the VMState region.
*/
struct QIOChannelBlock {
QIOChannel parent;
BlockDriverState *bs;
off_t offset;
};
/**
* qio_channel_block_new:
* @bs: the block driver state
*
* Create a new IO channel object that can perform
* I/O on a BlockDriverState object to the VMState
* region
*
* Returns: the new channel object
*/
QIOChannelBlock *
qio_channel_block_new(BlockDriverState *bs);
#endif /* QIO_CHANNEL_BLOCK_H */
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