LXR qemu/include/block/block-copy.h

   1/*
   2 * block_copy API
   3 *
   4 * Copyright (C) 2013 Proxmox Server Solutions
   5 * Copyright (c) 2019 Virtuozzo International GmbH.
   6 *
   7 * Authors:
   8 *  Dietmar Maurer (dietmar@proxmox.com)
   9 *  Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
  10 *
  11 * This work is licensed under the terms of the GNU GPL, version 2 or later.
  12 * See the COPYING file in the top-level directory.
  13 */
  14
  15#ifndef BLOCK_COPY_H
  16#define BLOCK_COPY_H
  17
  18#include "block/block.h"
  19#include "qemu/co-shared-resource.h"
  20
  21typedef void (*ProgressBytesCallbackFunc)(int64_t bytes, void *opaque);
  22typedef struct BlockCopyState BlockCopyState;
  23
  24BlockCopyState *block_copy_state_new(BdrvChild *source, BdrvChild *target,
  25                                     int64_t cluster_size,
  26                                     BdrvRequestFlags write_flags,
  27                                     Error **errp);
  28
  29void block_copy_set_progress_callback(
  30        BlockCopyState *s,
  31        ProgressBytesCallbackFunc progress_bytes_callback,
  32        void *progress_opaque);
  33
  34void block_copy_set_progress_meter(BlockCopyState *s, ProgressMeter *pm);
  35
  36void block_copy_state_free(BlockCopyState *s);
  37
  38int64_t block_copy_reset_unallocated(BlockCopyState *s,
  39                                     int64_t offset, int64_t *count);
  40
  41int coroutine_fn block_copy(BlockCopyState *s, int64_t offset, int64_t bytes,
  42                            bool *error_is_read);
  43
  44BdrvDirtyBitmap *block_copy_dirty_bitmap(BlockCopyState *s);
  45void block_copy_set_skip_unallocated(BlockCopyState *s, bool skip);
  46
  47#endif /* BLOCK_COPY_H */
  48