/* * 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 */