mirror of https://gitee.com/openkylin/qemu.git
48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/*
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* block_copy API
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*
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* Copyright (C) 2013 Proxmox Server Solutions
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* Copyright (c) 2019 Virtuozzo International GmbH.
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*
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* Authors:
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* Dietmar Maurer (dietmar@proxmox.com)
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* Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#ifndef BLOCK_COPY_H
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#define BLOCK_COPY_H
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#include "block/block.h"
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#include "qemu/co-shared-resource.h"
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typedef void (*ProgressBytesCallbackFunc)(int64_t bytes, void *opaque);
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typedef struct BlockCopyState BlockCopyState;
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BlockCopyState *block_copy_state_new(BdrvChild *source, BdrvChild *target,
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int64_t cluster_size,
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BdrvRequestFlags write_flags,
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Error **errp);
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void block_copy_set_progress_callback(
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BlockCopyState *s,
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ProgressBytesCallbackFunc progress_bytes_callback,
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void *progress_opaque);
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void block_copy_set_progress_meter(BlockCopyState *s, ProgressMeter *pm);
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void block_copy_state_free(BlockCopyState *s);
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int64_t block_copy_reset_unallocated(BlockCopyState *s,
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int64_t offset, int64_t *count);
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int coroutine_fn block_copy(BlockCopyState *s, int64_t offset, int64_t bytes,
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bool *error_is_read);
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BdrvDirtyBitmap *block_copy_dirty_bitmap(BlockCopyState *s);
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void block_copy_set_skip_unallocated(BlockCopyState *s, bool skip);
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#endif /* BLOCK_COPY_H */
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